diff options
484 files changed, 11866 insertions, 8160 deletions
diff --git a/Documentation/ABI/testing/sysfs-class-scsi_host b/Documentation/ABI/testing/sysfs-class-scsi_host new file mode 100644 index 000000000000..29a4f892e433 --- /dev/null +++ b/Documentation/ABI/testing/sysfs-class-scsi_host @@ -0,0 +1,13 @@ +What: /sys/class/scsi_host/hostX/isci_id +Date: June 2011 +Contact: Dave Jiang <dave.jiang@intel.com> +Description: + This file contains the enumerated host ID for the Intel + SCU controller. The Intel(R) C600 Series Chipset SATA/SAS + Storage Control Unit embeds up to two 4-port controllers in + a single PCI device. The controllers are enumerated in order + which usually means the lowest number scsi_host corresponds + with the first controller, but this association is not + guaranteed. The 'isci_id' attribute unambiguously identifies + the controller index: '0' for the first controller, + '1' for the second. diff --git a/Documentation/cgroups/memory.txt b/Documentation/cgroups/memory.txt index 6f3c598971fc..06eb6d957c83 100644 --- a/Documentation/cgroups/memory.txt +++ b/Documentation/cgroups/memory.txt @@ -380,7 +380,7 @@ will be charged as a new owner of it. 5.2 stat file -5.2.1 memory.stat file includes following statistics +memory.stat file includes following statistics # per-memory cgroup local status cache - # of bytes of page cache memory. @@ -438,89 +438,6 @@ Note: file_mapped is accounted only when the memory cgroup is owner of page cache.) -5.2.2 memory.vmscan_stat - -memory.vmscan_stat includes statistics information for memory scanning and -freeing, reclaiming. The statistics shows memory scanning information since -memory cgroup creation and can be reset to 0 by writing 0 as - - #echo 0 > ../memory.vmscan_stat - -This file contains following statistics. - -[param]_[file_or_anon]_pages_by_[reason]_[under_heararchy] -[param]_elapsed_ns_by_[reason]_[under_hierarchy] - -For example, - - scanned_file_pages_by_limit indicates the number of scanned - file pages at vmscan. - -Now, 3 parameters are supported - - scanned - the number of pages scanned by vmscan - rotated - the number of pages activated at vmscan - freed - the number of pages freed by vmscan - -If "rotated" is high against scanned/freed, the memcg seems busy. - -Now, 2 reason are supported - - limit - the memory cgroup's limit - system - global memory pressure + softlimit - (global memory pressure not under softlimit is not handled now) - -When under_hierarchy is added in the tail, the number indicates the -total memcg scan of its children and itself. - -elapsed_ns is a elapsed time in nanosecond. This may include sleep time -and not indicates CPU usage. So, please take this as just showing -latency. - -Here is an example. - -# cat /cgroup/memory/A/memory.vmscan_stat -scanned_pages_by_limit 9471864 -scanned_anon_pages_by_limit 6640629 -scanned_file_pages_by_limit 2831235 -rotated_pages_by_limit 4243974 -rotated_anon_pages_by_limit 3971968 -rotated_file_pages_by_limit 272006 -freed_pages_by_limit 2318492 -freed_anon_pages_by_limit 962052 -freed_file_pages_by_limit 1356440 -elapsed_ns_by_limit 351386416101 -scanned_pages_by_system 0 -scanned_anon_pages_by_system 0 -scanned_file_pages_by_system 0 -rotated_pages_by_system 0 -rotated_anon_pages_by_system 0 -rotated_file_pages_by_system 0 -freed_pages_by_system 0 -freed_anon_pages_by_system 0 -freed_file_pages_by_system 0 -elapsed_ns_by_system 0 -scanned_pages_by_limit_under_hierarchy 9471864 -scanned_anon_pages_by_limit_under_hierarchy 6640629 -scanned_file_pages_by_limit_under_hierarchy 2831235 -rotated_pages_by_limit_under_hierarchy 4243974 -rotated_anon_pages_by_limit_under_hierarchy 3971968 -rotated_file_pages_by_limit_under_hierarchy 272006 -freed_pages_by_limit_under_hierarchy 2318492 -freed_anon_pages_by_limit_under_hierarchy 962052 -freed_file_pages_by_limit_under_hierarchy 1356440 -elapsed_ns_by_limit_under_hierarchy 351386416101 -scanned_pages_by_system_under_hierarchy 0 -scanned_anon_pages_by_system_under_hierarchy 0 -scanned_file_pages_by_system_under_hierarchy 0 -rotated_pages_by_system_under_hierarchy 0 -rotated_anon_pages_by_system_under_hierarchy 0 -rotated_file_pages_by_system_under_hierarchy 0 -freed_pages_by_system_under_hierarchy 0 -freed_anon_pages_by_system_under_hierarchy 0 -freed_file_pages_by_system_under_hierarchy 0 -elapsed_ns_by_system_under_hierarchy 0 - 5.3 swappiness Similar to /proc/sys/vm/swappiness, but affecting a hierarchy of groups only. diff --git a/Documentation/hwmon/coretemp b/Documentation/hwmon/coretemp index fa8776ab9b18..84d46c0c71a3 100644 --- a/Documentation/hwmon/coretemp +++ b/Documentation/hwmon/coretemp @@ -35,13 +35,6 @@ the Out-Of-Spec bit. Following table summarizes the exported sysfs files: All Sysfs entries are named with their core_id (represented here by 'X'). tempX_input - Core temperature (in millidegrees Celsius). tempX_max - All cooling devices should be turned on (on Core2). - Initialized with IA32_THERM_INTERRUPT. When the CPU - temperature reaches this temperature, an interrupt is - generated and tempX_max_alarm is set. -tempX_max_hyst - If the CPU temperature falls below than temperature, - an interrupt is generated and tempX_max_alarm is reset. -tempX_max_alarm - Set if the temperature reaches or exceeds tempX_max. - Reset if the temperature drops to or below tempX_max_hyst. tempX_crit - Maximum junction temperature (in millidegrees Celsius). tempX_crit_alarm - Set when Out-of-spec bit is set, never clears. Correct CPU operation is no longer guaranteed. @@ -49,9 +42,10 @@ tempX_label - Contains string "Core X", where X is processor number. For Package temp, this will be "Physical id Y", where Y is the package number. -The TjMax temperature is set to 85 degrees C if undocumented model specific -register (UMSR) 0xee has bit 30 set. If not the TjMax is 100 degrees C as -(sometimes) documented in processor datasheet. +On CPU models which support it, TjMax is read from a model-specific register. +On other models, it is set to an arbitrary value based on weak heuristics. +If these heuristics don't work for you, you can pass the correct TjMax value +as a module parameter (tjmax). Appendix A. Known TjMax lists (TBD): Some information comes from ark.intel.com diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt index 614d0382e2cb..854ed5ca7e3f 100644 --- a/Documentation/kernel-parameters.txt +++ b/Documentation/kernel-parameters.txt @@ -2086,9 +2086,12 @@ bytes respectively. Such letter suffixes can also be entirely omitted. Override pmtimer IOPort with a hex value. e.g. pmtmr=0x508 - pnp.debug [PNP] - Enable PNP debug messages. This depends on the - CONFIG_PNP_DEBUG_MESSAGES option. + pnp.debug=1 [PNP] + Enable PNP debug messages (depends on the + CONFIG_PNP_DEBUG_MESSAGES option). Change at run-time + via /sys/module/pnp/parameters/debug. We always show + current resource usage; turning this on also shows + possible settings and some assignment information. pnpacpi= [ACPI] { off } diff --git a/Documentation/networking/dmfe.txt b/Documentation/networking/dmfe.txt index 8006c227fda2..25320bf19c86 100644 --- a/Documentation/networking/dmfe.txt +++ b/Documentation/networking/dmfe.txt @@ -1,3 +1,5 @@ +Note: This driver doesn't have a maintainer. + Davicom DM9102(A)/DM9132/DM9801 fast ethernet driver for Linux. This program is free software; you can redistribute it and/or @@ -55,7 +57,6 @@ Test and make sure PCI latency is now correct for all cases. Authors: Sten Wang <sten_wang@davicom.com.tw > : Original Author -Tobias Ringstrom <tori@unhappy.mine.nu> : Current Maintainer Contributors: diff --git a/Documentation/vm/transhuge.txt b/Documentation/vm/transhuge.txt index 0924aaca3302..29bdf62aac09 100644 --- a/Documentation/vm/transhuge.txt +++ b/Documentation/vm/transhuge.txt @@ -123,10 +123,11 @@ be automatically shutdown if it's set to "never". khugepaged runs usually at low frequency so while one may not want to invoke defrag algorithms synchronously during the page faults, it should be worth invoking defrag at least in khugepaged. However it's -also possible to disable defrag in khugepaged: +also possible to disable defrag in khugepaged by writing 0 or enable +defrag in khugepaged by writing 1: -echo yes >/sys/kernel/mm/transparent_hugepage/khugepaged/defrag -echo no >/sys/kernel/mm/transparent_hugepage/khugepaged/defrag +echo 0 >/sys/kernel/mm/transparent_hugepage/khugepaged/defrag +echo 1 >/sys/kernel/mm/transparent_hugepage/khugepaged/defrag You can also control how many pages khugepaged should scan at each pass: diff --git a/MAINTAINERS b/MAINTAINERS index 28f65c249b97..ae8820e173a2 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -1278,7 +1278,6 @@ F: drivers/input/misc/ati_remote2.c ATLX ETHERNET DRIVERS M: Jay Cliburn <jcliburn@gmail.com> M: Chris Snook <chris.snook@gmail.com> -M: Jie Yang <jie.yang@atheros.com> L: netdev@vger.kernel.org W: http://sourceforge.net/projects/atl1 W: http://atl1.sourceforge.net @@ -1574,7 +1573,6 @@ F: drivers/scsi/bfa/ BROCADE BNA 10 GIGABIT ETHERNET DRIVER M: Rasesh Mody <rmody@brocade.com> -M: Debashis Dutt <ddutt@brocade.com> L: netdev@vger.kernel.org S: Supported F: drivers/net/bna/ @@ -1758,7 +1756,6 @@ F: Documentation/zh_CN/ CISCO VIC ETHERNET NIC DRIVER M: Christian Benvenuti <benve@cisco.com> -M: Vasanthy Kolluri <vkolluri@cisco.com> M: Roopa Prabhu <roprabhu@cisco.com> M: David Wang <dwang2@cisco.com> S: Supported @@ -3262,6 +3259,17 @@ F: Documentation/input/multi-touch-protocol.txt F: drivers/input/input-mt.c K: \b(ABS|SYN)_MT_ +INTEL C600 SERIES SAS CONTROLLER DRIVER +M: Intel SCU Linux support <intel-linux-scu@intel.com> +M: Dan Williams <dan.j.williams@intel.com> +M: Dave Jiang <dave.jiang@intel.com> +M: Ed Nadolski <edmund.nadolski@intel.com> +L: linux-scsi@vger.kernel.org +T: git git://git.kernel.org/pub/scm/linux/kernel/git/djbw/isci.git +S: Maintained +F: drivers/scsi/isci/ +F: firmware/isci/ + INTEL IDLE DRIVER M: Len Brown <lenb@kernel.org> L: linux-pm@lists.linux-foundation.org @@ -4404,7 +4412,8 @@ L: netfilter@vger.kernel.org L: coreteam@netfilter.org W: http://www.netfilter.org/ W: http://www.iptables.org/ -T: git git://git.kernel.org/pub/scm/linux/kernel/git/kaber/nf-2.6.git +T: git git://git.kernel.org/pub/scm/linux/kernel/git/netfilter/nf-2.6.git +T: git git://git.kernel.org/pub/scm/linux/kernel/git/netfilter/nf-next-2.6.git S: Supported F: include/linux/netfilter* F: include/linux/netfilter/ @@ -4774,7 +4783,7 @@ F: drivers/net/wireless/orinoco/ OSD LIBRARY and FILESYSTEM M: Boaz Harrosh <bharrosh@panasas.com> -M: Benny Halevy <bhalevy@panasas.com> +M: Benny Halevy <bhalevy@tonian.com> L: osd-dev@open-osd.org W: http://open-osd.org T: git git://git.open-osd.org/open-osd.git @@ -7200,6 +7209,9 @@ W: http://opensource.wolfsonmicro.com/content/linux-drivers-wolfson-devices S: Supported F: Documentation/hwmon/wm83?? F: drivers/leds/leds-wm83*.c +F: drivers/input/misc/wm831x-on.c +F: drivers/input/touchscreen/wm831x-ts.c +F: drivers/input/touchscreen/wm97*.c F: drivers/mfd/wm8*.c F: drivers/power/wm83*.c F: drivers/rtc/rtc-wm83*.c @@ -7209,6 +7221,7 @@ F: drivers/watchdog/wm83*_wdt.c F: include/linux/mfd/wm831x/ F: include/linux/mfd/wm8350/ F: include/linux/mfd/wm8400* +F: include/linux/wm97xx.h F: include/sound/wm????.h F: sound/soc/codecs/wm* @@ -1,7 +1,7 @@ VERSION = 3 PATCHLEVEL = 1 SUBLEVEL = 0 -EXTRAVERSION = -rc6 +EXTRAVERSION = -rc8 NAME = "Divemaster Edition" # *DOCUMENTATION* diff --git a/arch/alpha/Kconfig b/arch/alpha/Kconfig index 60cde53d266c..8bb936226dee 100644 --- a/arch/alpha/Kconfig +++ b/arch/alpha/Kconfig @@ -51,7 +51,7 @@ config GENERIC_CMOS_UPDATE def_bool y config GENERIC_GPIO - def_bool y + bool config ZONE_DMA bool diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig index 3269576dbfa8..bea81d018312 100644 --- a/arch/arm/Kconfig +++ b/arch/arm/Kconfig @@ -724,9 +724,6 @@ config ARCH_S3C64XX select SAMSUNG_IRQ_VIC_TIMER select SAMSUNG_IRQ_UART select S3C_GPIO_TRACK - select S3C_GPIO_PULL_UPDOWN - select S3C_GPIO_CFG_S3C24XX - select S3C_GPIO_CFG_S3C64XX select S3C_DEV_NAND select USB_ARCH_HAS_OHCI select SAMSUNG_GPIOLIB_4BIT @@ -1283,6 +1280,20 @@ config ARM_ERRATA_364296 processor into full low interrupt latency mode. ARM11MPCore is not affected. +config ARM_ERRATA_764369 + bool "ARM errata: Data cache line maintenance operation by MVA may not succeed" + depends on CPU_V7 && SMP + help + This option enables the workaround for erratum 764369 + affecting Cortex-A9 MPCore with two or more processors (all + current revisions). Under certain timing circumstances, a data + cache line maintenance operation by MVA targeting an Inner + Shareable memory region may fail to proceed up to either the + Point of Coherency or to the Point of Unification of the + system. This workaround adds a DSB instruction before the + relevant cache maintenance functions and sets a specific bit + in the diagnostic control register of the SCU. + endmenu source "arch/arm/common/Kconfig" diff --git a/arch/arm/boot/dts/tegra-harmony.dts b/arch/arm/boot/dts/tegra-harmony.dts index 4c053340ce33..e5818668d091 100644 --- a/arch/arm/boot/dts/tegra-harmony.dts +++ b/arch/arm/boot/dts/tegra-harmony.dts @@ -57,14 +57,14 @@ }; sdhci@c8000200 { - gpios = <&gpio 69 0>, /* cd, gpio PI5 */ - <&gpio 57 0>, /* wp, gpio PH1 */ - <&gpio 155 0>; /* power, gpio PT3 */ + cd-gpios = <&gpio 69 0>; /* gpio PI5 */ + wp-gpios = <&gpio 57 0>; /* gpio PH1 */ + power-gpios = <&gpio 155 0>; /* gpio PT3 */ }; sdhci@c8000600 { - gpios = <&gpio 58 0>, /* cd, gpio PH2 */ - <&gpio 59 0>, /* wp, gpio PH3 */ - <&gpio 70 0>; /* power, gpio PI6 */ + cd-gpios = <&gpio 58 0>; /* gpio PH2 */ + wp-gpios = <&gpio 59 0>; /* gpio PH3 */ + power-gpios = <&gpio 70 0>; /* gpio PI6 */ }; }; diff --git a/arch/arm/boot/dts/tegra-seaboard.dts b/arch/arm/boot/dts/tegra-seaboard.dts index 1940cae00748..64cedca6fc79 100644 --- a/arch/arm/boot/dts/tegra-seaboard.dts +++ b/arch/arm/boot/dts/tegra-seaboard.dts @@ -21,8 +21,8 @@ }; sdhci@c8000400 { - gpios = <&gpio 69 0>, /* cd, gpio PI5 */ - <&gpio 57 0>, /* wp, gpio PH1 */ - <&gpio 70 0>; /* power, gpio PI6 */ + cd-gpios = <&gpio 69 0>; /* gpio PI5 */ + wp-gpios = <&gpio 57 0>; /* gpio PH1 */ + power-gpios = <&gpio 70 0>; /* gpio PI6 */ }; }; diff --git a/arch/arm/configs/exynos4_defconfig b/arch/arm/configs/exynos4_defconfig index da53ff3b4d70..cd40bb56e568 100644 --- a/arch/arm/configs/exynos4_defconfig +++ b/arch/arm/configs/exynos4_defconfig @@ -11,6 +11,7 @@ CONFIG_MACH_SMDKV310=y CONFIG_MACH_ARMLEX4210=y CONFIG_MACH_UNIVERSAL_C210=y CONFIG_MACH_NURI=y +CONFIG_MACH_ORIGEN=y CONFIG_NO_HZ=y CONFIG_HIGH_RES_TIMERS=y CONFIG_SMP=y diff --git a/arch/arm/include/asm/futex.h b/arch/arm/include/asm/futex.h index 8c73900da9ed..253cc86318bf 100644 --- a/arch/arm/include/asm/futex.h +++ b/arch/arm/include/asm/futex.h @@ -25,17 +25,17 @@ #ifdef CONFIG_SMP -#define __futex_atomic_op(insn, ret, oldval, uaddr, oparg) \ +#define __futex_atomic_op(insn, ret, oldval, tmp, uaddr, oparg) \ smp_mb(); \ __asm__ __volatile__( \ - "1: ldrex %1, [%2]\n" \ + "1: ldrex %1, [%3]\n" \ " " insn "\n" \ - "2: strex %1, %0, [%2]\n" \ - " teq %1, #0\n" \ + "2: strex %2, %0, [%3]\n" \ + " teq %2, #0\n" \ " bne 1b\n" \ " mov %0, #0\n" \ - __futex_atomic_ex_table("%4") \ - : "=&r" (ret), "=&r" (oldval) \ + __futex_atomic_ex_table("%5") \ + : "=&r" (ret), "=&r" (oldval), "=&r" (tmp) \ : "r" (uaddr), "r" (oparg), "Ir" (-EFAULT) \ : "cc", "memory") @@ -73,14 +73,14 @@ futex_atomic_cmpxchg_inatomic(u32 *uval, u32 __user *uaddr, #include <linux/preempt.h> #include <asm/domain.h> -#define __futex_atomic_op(insn, ret, oldval, uaddr, oparg) \ +#define __futex_atomic_op(insn, ret, oldval, tmp, uaddr, oparg) \ __asm__ __volatile__( \ - "1: " T(ldr) " %1, [%2]\n" \ + "1: " T(ldr) " %1, [%3]\n" \ " " insn "\n" \ - "2: " T(str) " %0, [%2]\n" \ + "2: " T(str) " %0, [%3]\n" \ " mov %0, #0\n" \ - __futex_atomic_ex_table("%4") \ - : "=&r" (ret), "=&r" (oldval) \ + __futex_atomic_ex_table("%5") \ + : "=&r" (ret), "=&r" (oldval), "=&r" (tmp) \ : "r" (uaddr), "r" (oparg), "Ir" (-EFAULT) \ : "cc", "memory") @@ -117,7 +117,7 @@ futex_atomic_op_inuser (int encoded_op, u32 __user *uaddr) int cmp = (encoded_op >> 24) & 15; int oparg = (encoded_op << 8) >> 20; int cmparg = (encoded_op << 20) >> 20; - int oldval = 0, ret; + int oldval = 0, ret, tmp; if (encoded_op & (FUTEX_OP_OPARG_SHIFT << 28)) oparg = 1 << oparg; @@ -129,19 +129,19 @@ futex_atomic_op_inuser (int encoded_op, u32 __user *uaddr) switch (op) { case FUTEX_OP_SET: - __futex_atomic_op("mov %0, %3", ret, oldval, uaddr, oparg); + __futex_atomic_op("mov %0, %4", ret, oldval, tmp, uaddr, oparg); break; case FUTEX_OP_ADD: - __futex_atomic_op("add %0, %1, %3", ret, oldval, uaddr, oparg); + __futex_atomic_op("add %0, %1, %4", ret, oldval, tmp, uaddr, oparg); break; case FUTEX_OP_OR: - __futex_atomic_op("orr %0, %1, %3", ret, oldval, uaddr, oparg); + __futex_atomic_op("orr %0, %1, %4", ret, oldval, tmp, uaddr, oparg); break; case FUTEX_OP_ANDN: - __futex_atomic_op("and %0, %1, %3", ret, oldval, uaddr, ~oparg); + __futex_atomic_op("and %0, %1, %4", ret, oldval, tmp, uaddr, ~oparg); break; case FUTEX_OP_XOR: - __futex_atomic_op("eor %0, %1, %3", ret, oldval, uaddr, oparg); + __futex_atomic_op("eor %0, %1, %4", ret, oldval, tmp, uaddr, oparg); break; default: ret = -ENOSYS; diff --git a/arch/arm/include/asm/hardware/pl080.h b/arch/arm/include/asm/hardware/pl080.h index e4a04e4e5627..33c78d7af2e1 100644 --- a/arch/arm/include/asm/hardware/pl080.h +++ b/arch/arm/include/asm/hardware/pl080.h @@ -21,6 +21,9 @@ * OneNAND features. */ +#ifndef ASM_PL080_H +#define ASM_PL080_H + #define PL080_INT_STATUS (0x00) #define PL080_TC_STATUS (0x04) #define PL080_TC_CLEAR (0x08) @@ -138,3 +141,4 @@ struct pl080s_lli { u32 control1; }; +#endif /* ASM_PL080_H */ diff --git a/arch/arm/include/asm/unistd.h b/arch/arm/include/asm/unistd.h index 2c04ed5efeb5..c60a2944f95b 100644 --- a/arch/arm/include/asm/unistd.h +++ b/arch/arm/include/asm/unistd.h @@ -478,8 +478,8 @@ /* * Unimplemented (or alternatively implemented) syscalls */ -#define __IGNORE_fadvise64_64 1 -#define __IGNORE_migrate_pages 1 +#define __IGNORE_fadvise64_64 +#define __IGNORE_migrate_pages #endif /* __KERNEL__ */ #endif /* __ASM_ARM_UNISTD_H */ diff --git a/arch/arm/kernel/smp_scu.c b/arch/arm/kernel/smp_scu.c index 79ed5e7f204a..7fcddb75c877 100644 --- a/arch/arm/kernel/smp_scu.c +++ b/arch/arm/kernel/smp_scu.c @@ -13,6 +13,7 @@ #include <asm/smp_scu.h> #include <asm/cacheflush.h> +#include <asm/cputype.h> #define SCU_CTRL 0x00 #define SCU_CONFIG 0x04 @@ -37,6 +38,15 @@ void __init scu_enable(void __iomem *scu_base) { u32 scu_ctrl; +#ifdef CONFIG_ARM_ERRATA_764369 + /* Cortex-A9 only */ + if ((read_cpuid(CPUID_ID) & 0xff0ffff0) == 0x410fc090) { + scu_ctrl = __raw_readl(scu_base + 0x30); + if (!(scu_ctrl & 1)) + __raw_writel(scu_ctrl | 0x1, scu_base + 0x30); + } +#endif + scu_ctrl = __raw_readl(scu_base + SCU_CTRL); /* already enabled? */ if (scu_ctrl & 1) diff --git a/arch/arm/kernel/vmlinux.lds.S b/arch/arm/kernel/vmlinux.lds.S index bf977f8514f6..4e66f62b8d41 100644 --- a/arch/arm/kernel/vmlinux.lds.S +++ b/arch/arm/kernel/vmlinux.lds.S @@ -23,8 +23,10 @@ #if defined(CONFIG_SMP_ON_UP) && !defined(CONFIG_DEBUG_SPINLOCK) #define ARM_EXIT_KEEP(x) x +#define ARM_EXIT_DISCARD(x) #else #define ARM_EXIT_KEEP(x) +#define ARM_EXIT_DISCARD(x) x #endif OUTPUT_ARCH(arm) @@ -39,6 +41,11 @@ jiffies = jiffies_64 + 4; SECTIONS { /* + * XXX: The linker does not define how output sections are + * assigned to input sections when there are multiple statements + * matching the same input section name. There is no documented + * order of matching. + * * unwind exit sections must be discarded before the rest of the * unwind sections get included. */ @@ -47,6 +54,9 @@ SECTIONS *(.ARM.extab.exit.text) ARM_CPU_DISCARD(*(.ARM.exidx.cpuexit.text)) ARM_CPU_DISCARD(*(.ARM.extab.cpuexit.text)) + ARM_EXIT_DISCARD(EXIT_TEXT) + ARM_EXIT_DISCARD(EXIT_DATA) + EXIT_CALL #ifndef CONFIG_HOTPLUG *(.ARM.exidx.devexit.text) *(.ARM.extab.devexit.text) @@ -58,6 +68,8 @@ SECTIONS #ifndef CONFIG_SMP_ON_UP *(.alt.smp.init) #endif + *(.discard) + *(.discard.*) } #ifdef CONFIG_XIP_KERNEL @@ -279,9 +291,6 @@ SECTIONS STABS_DEBUG .comment 0 : { *(.comment) } - - /* Default discards */ - DISCARDS } /* diff --git a/arch/arm/mach-dove/common.c b/arch/arm/mach-dove/common.c index 83dce859886d..a9e0dae86a26 100644 --- a/arch/arm/mach-dove/common.c +++ b/arch/arm/mach-dove/common.c @@ -158,7 +158,7 @@ void __init dove_spi0_init(void) void __init dove_spi1_init(void) { - orion_spi_init(DOVE_SPI1_PHYS_BASE, get_tclk()); + orion_spi_1_init(DOVE_SPI1_PHYS_BASE, get_tclk()); } /***************************************************************************** diff --git a/arch/arm/mach-exynos4/Kconfig b/arch/arm/mach-exynos4/Kconfig index bee8f77de2ab..b6722decff9d 100644 --- a/arch/arm/mach-exynos4/Kconfig +++ b/arch/arm/mach-exynos4/Kconfig @@ -11,10 +11,15 @@ if ARCH_EXYNOS4 config CPU_EXYNOS4210 bool - select S3C_PL330_DMA + select SAMSUNG_DMADEV help Enable EXYNOS4210 CPU support +config SOC_EXYNOS4212 + bool + help + Enable EXYNOS4212 SoC support + config EXYNOS4_MCT bool default y @@ -111,6 +116,8 @@ config EXYNOS4_SETUP_USB_PHY menu "EXYNOS4 Machines" +comment "EXYNOS4210 Boards" + config MACH_SMDKC210 bool "SMDKC210" select MACH_SMDKV310 @@ -124,6 +131,14 @@ config MACH_SMDKV310 select S3C_DEV_RTC select S3C_DEV_WDT select S3C_DEV_I2C1 + select S5P_DEV_FIMC0 + select S5P_DEV_FIMC1 + select S5P_DEV_FIMC2 + select S5P_DEV_FIMC3 + select S5P_DEV_I2C_HDMIPHY + select S5P_DEV_MFC + select S5P_DEV_TV + select S5P_DEV_USB_EHCI select S3C_DEV_HSMMC select S3C_DEV_HSMMC1 select S3C_DEV_HSMMC2 @@ -138,6 +153,7 @@ config MACH_SMDKV310 select EXYNOS4_SETUP_I2C1 select EXYNOS4_SETUP_KEYPAD select EXYNOS4_SETUP_SDHCI + select EXYNOS4_SETUP_USB_PHY help Machine support for Samsung SMDKV310 @@ -163,19 +179,26 @@ config MACH_UNIVERSAL_C210 select S5P_DEV_FIMC1 select S5P_DEV_FIMC2 select S5P_DEV_FIMC3 + select S5P_DEV_CSIS0 + select S5P_DEV_FIMD0 select S3C_DEV_HSMMC select S3C_DEV_HSMMC2 select S3C_DEV_HSMMC3 select S3C_DEV_I2C1 select S3C_DEV_I2C3 select S3C_DEV_I2C5 + select S5P_DEV_I2C_HDMIPHY select S5P_DEV_MFC select S5P_DEV_ONENAND + select S5P_DEV_TV select EXYNOS4_DEV_PD + select EXYNOS4_SETUP_FIMD0 select EXYNOS4_SETUP_I2C1 select EXYNOS4_SETUP_I2C3 select EXYNOS4_SETUP_I2C5 select EXYNOS4_SETUP_SDHCI + select EXYNOS4_SETUP_FIMC + select S5P_SETUP_MIPIPHY help Machine support for Samsung Mobile Universal S5PC210 Reference Board. @@ -184,6 +207,8 @@ config MACH_NURI bool "Mobile NURI Board" select CPU_EXYNOS4210 select S3C_DEV_WDT + select S3C_DEV_RTC + select S5P_DEV_FIMD0 select S3C_DEV_HSMMC select S3C_DEV_HSMMC2 select S3C_DEV_HSMMC3 @@ -193,6 +218,7 @@ config MACH_NURI select S5P_DEV_MFC select S5P_DEV_USB_EHCI select EXYNOS4_DEV_PD + select EXYNOS4_SETUP_FIMD0 select EXYNOS4_SETUP_I2C1 select EXYNOS4_SETUP_I2C3 select EXYNOS4_SETUP_I2C5 @@ -203,6 +229,53 @@ config MACH_NURI help Machine support for Samsung Mobile NURI Board. +config MACH_ORIGEN + bool "ORIGEN" + select CPU_EXYNOS4210 + select S3C_DEV_RTC + select S3C_DEV_WDT + select S3C_DEV_HSMMC + select S3C_DEV_HSMMC2 + select S5P_DEV_FIMC0 + select S5P_DEV_FIMC1 + select S5P_DEV_FIMC2 + select S5P_DEV_FIMC3 + select S5P_DEV_FIMD0 + select S5P_DEV_I2C_HDMIPHY + select S5P_DEV_TV + select S5P_DEV_USB_EHCI + select EXYNOS4_DEV_PD + select SAMSUNG_DEV_BACKLIGHT + select SAMSUNG_DEV_PWM + select EXYNOS4_SETUP_FIMD0 + select EXYNOS4_SETUP_SDHCI + select EXYNOS4_SETUP_USB_PHY + help + Machine support for ORIGEN based on Samsung EXYNOS4210 + +comment "EXYNOS4212 Boards" + +config MACH_SMDK4212 + bool "SMDK4212" + select SOC_EXYNOS4212 + select S3C_DEV_HSMMC2 + select S3C_DEV_HSMMC3 + select S3C_DEV_I2C1 + select S3C_DEV_I2C3 + select S3C_DEV_I2C7 + select S3C_DEV_RTC + select S3C_DEV_WDT + select SAMSUNG_DEV_BACKLIGHT + select SAMSUNG_DEV_KEYPAD + select SAMSUNG_DEV_PWM + select EXYNOS4_SETUP_I2C1 + select EXYNOS4_SETUP_I2C3 + select EXYNOS4_SETUP_I2C7 + select EXYNOS4_SETUP_KEYPAD + select EXYNOS4_SETUP_SDHCI + help + Machine support for Samsung SMDK4212 + endmenu comment "Configuration for HSMMC bus width" diff --git a/arch/arm/mach-exynos4/Makefile b/arch/arm/mach-exynos4/Makefile index e3e93ea41385..e19cd12d264e 100644 --- a/arch/arm/mach-exynos4/Makefile +++ b/arch/arm/mach-exynos4/Makefile @@ -12,8 +12,10 @@ obj- := # Core support for EXYNOS4 system -obj-$(CONFIG_CPU_EXYNOS4210) += cpu.o init.o clock.o irq-combiner.o -obj-$(CONFIG_CPU_EXYNOS4210) += setup-i2c0.o irq-eint.o dma.o pmu.o +obj-$(CONFIG_ARCH_EXYNOS4) += cpu.o init.o clock.o irq-combiner.o +obj-$(CONFIG_ARCH_EXYNOS4) += setup-i2c0.o irq-eint.o dma.o pmu.o +obj-$(CONFIG_CPU_EXYNOS4210) += clock-exynos4210.o +obj-$(CONFIG_SOC_EXYNOS4212) += clock-exynos4212.o obj-$(CONFIG_PM) += pm.o sleep.o obj-$(CONFIG_CPU_IDLE) += cpuidle.o @@ -30,6 +32,9 @@ obj-$(CONFIG_MACH_SMDKV310) += mach-smdkv310.o obj-$(CONFIG_MACH_ARMLEX4210) += mach-armlex4210.o obj-$(CONFIG_MACH_UNIVERSAL_C210) += mach-universal_c210.o obj-$(CONFIG_MACH_NURI) += mach-nuri.o +obj-$(CONFIG_MACH_ORIGEN) += mach-origen.o + +obj-$(CONFIG_MACH_SMDK4212) += mach-smdk4212.o # device support diff --git a/arch/arm/mach-exynos4/clock-exynos4210.c b/arch/arm/mach-exynos4/clock-exynos4210.c new file mode 100644 index 000000000000..b9d5ef670eb4 --- /dev/null +++ b/arch/arm/mach-exynos4/clock-exynos4210.c @@ -0,0 +1,139 @@ +/* + * linux/arch/arm/mach-exynos4/clock-exynos4210.c + * + * Copyright (c) 2011 Samsung Electronics Co., Ltd. + * http://www.samsung.com + * + * EXYNOS4210 - Clock support + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. +*/ + +#include <linux/kernel.h> +#include <linux/err.h> +#include <linux/clk.h> +#include <linux/io.h> +#include <linux/syscore_ops.h> + +#include <plat/cpu-freq.h> +#include <plat/clock.h> +#include <plat/cpu.h> +#include <plat/pll.h> +#include <plat/s5p-clock.h> +#include <plat/clock-clksrc.h> +#include <plat/exynos4.h> +#include <plat/pm.h> + +#include <mach/hardware.h> +#include <mach/map.h> +#include <mach/regs-clock.h> +#include <mach/exynos4-clock.h> + +static struct sleep_save exynos4210_clock_save[] = { + SAVE_ITEM(S5P_CLKSRC_IMAGE), + SAVE_ITEM(S5P_CLKSRC_LCD1), + SAVE_ITEM(S5P_CLKDIV_IMAGE), + SAVE_ITEM(S5P_CLKDIV_LCD1), + SAVE_ITEM(S5P_CLKSRC_MASK_LCD1), + SAVE_ITEM(S5P_CLKGATE_IP_IMAGE_4210), + SAVE_ITEM(S5P_CLKGATE_IP_LCD1), + SAVE_ITEM(S5P_CLKGATE_IP_PERIR_4210), +}; + +static struct clksrc_clk *sysclks[] = { + /* nothing here yet */ +}; + +static int exynos4_clksrc_mask_lcd1_ctrl(struct clk *clk, int enable) +{ + return s5p_gatectrl(S5P_CLKSRC_MASK_LCD1, clk, enable); +} + +static struct clksrc_clk clksrcs[] = { + { + .clk = { + .name = "sclk_sata", + .id = -1, + .enable = exynos4_clksrc_mask_fsys_ctrl, + .ctrlbit = (1 << 24), + }, + .sources = &clkset_mout_corebus, + .reg_src = { .reg = S5P_CLKSRC_FSYS, .shift = 24, .size = 1 }, + .reg_div = { .reg = S5P_CLKDIV_FSYS0, .shift = 20, .size = 4 }, + }, { + .clk = { + .name = "sclk_fimd", + .devname = "exynos4-fb.1", + .enable = exynos4_clksrc_mask_lcd1_ctrl, + .ctrlbit = (1 << 0), + }, + .sources = &clkset_group, + .reg_src = { .reg = S5P_CLKSRC_LCD1, .shift = 0, .size = 4 }, + .reg_div = { .reg = S5P_CLKDIV_LCD1, .shift = 0, .size = 4 }, + }, +}; + +static struct clk init_clocks_off[] = { + { + .name = "sataphy", + .id = -1, + .parent = &clk_aclk_133.clk, + .enable = exynos4_clk_ip_fsys_ctrl, + .ctrlbit = (1 << 3), + }, { + .name = "sata", + .id = -1, + .parent = &clk_aclk_133.clk, + .enable = exynos4_clk_ip_fsys_ctrl, + .ctrlbit = (1 << 10), + }, { + .name = "fimd", + .devname = "exynos4-fb.1", + .enable = exynos4_clk_ip_lcd1_ctrl, + .ctrlbit = (1 << 0), + }, +}; + +#ifdef CONFIG_PM_SLEEP +static int exynos4210_clock_suspend(void) +{ + s3c_pm_do_save(exynos4210_clock_save, ARRAY_SIZE(exynos4210_clock_save)); + + return 0; +} + +static void exynos4210_clock_resume(void) +{ + s3c_pm_do_restore_core(exynos4210_clock_save, ARRAY_SIZE(exynos4210_clock_save)); +} + +#else +#define exynos4210_clock_suspend NULL +#define exynos4210_clock_resume NULL +#endif + +struct syscore_ops exynos4210_clock_syscore_ops = { + .suspend = exynos4210_clock_suspend, + .resume = exynos4210_clock_resume, +}; + +void __init exynos4210_register_clocks(void) +{ + int ptr; + + clk_mout_mpll.reg_src.reg = S5P_CLKSRC_CPU; + clk_mout_mpll.reg_src.shift = 8; + clk_mout_mpll.reg_src.size = 1; + + for (ptr = 0; ptr < ARRAY_SIZE(sysclks); ptr++) + s3c_register_clksrc(sysclks[ptr], 1); + + s3c_register_clksrc(clksrcs, ARRAY_SIZE(clksrcs)); + + s3c_register_clocks(init_clocks_off, ARRAY_SIZE(init_clocks_off)); + s3c_disable_clocks(init_clocks_off, ARRAY_SIZE(init_clocks_off)); + + register_syscore_ops(&exynos4210_clock_syscore_ops); +} diff --git a/arch/arm/mach-exynos4/clock-exynos4212.c b/arch/arm/mach-exynos4/clock-exynos4212.c new file mode 100644 index 000000000000..77d5decb34fd --- /dev/null +++ b/arch/arm/mach-exynos4/clock-exynos4212.c @@ -0,0 +1,118 @@ +/* + * linux/arch/arm/mach-exynos4/clock-exynos4212.c + * + * Copyright (c) 2011 Samsung Electronics Co., Ltd. + * http://www.samsung.com + * + * EXYNOS4212 - Clock support + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. +*/ + +#include <linux/kernel.h> +#include <linux/err.h> +#include <linux/clk.h> +#include <linux/io.h> +#include <linux/syscore_ops.h> + +#include <plat/cpu-freq.h> +#include <plat/clock.h> +#include <plat/cpu.h> +#include <plat/pll.h> +#include <plat/s5p-clock.h> +#include <plat/clock-clksrc.h> +#include <plat/exynos4.h> +#include <plat/pm.h> + +#include <mach/hardware.h> +#include <mach/map.h> +#include <mach/regs-clock.h> +#include <mach/exynos4-clock.h> + +static struct sleep_save exynos4212_clock_save[] = { + SAVE_ITEM(S5P_CLKSRC_IMAGE), + SAVE_ITEM(S5P_CLKDIV_IMAGE), + SAVE_ITEM(S5P_CLKGATE_IP_IMAGE_4212), + SAVE_ITEM(S5P_CLKGATE_IP_PERIR_4212), +}; + +static struct clk *clk_src_mpll_user_list[] = { + [0] = &clk_fin_mpll, + [1] = &clk_mout_mpll.clk, +}; + +static struct clksrc_sources clk_src_mpll_user = { + .sources = clk_src_mpll_user_list, + .nr_sources = ARRAY_SIZE(clk_src_mpll_user_list), +}; + +static struct clksrc_clk clk_mout_mpll_user = { + .clk = { + .name = "mout_mpll_user", + }, + .sources = &clk_src_mpll_user, + .reg_src = { .reg = S5P_CLKSRC_CPU, .shift = 24, .size = 1 }, +}; + +static struct clksrc_clk *sysclks[] = { + &clk_mout_mpll_user, +}; + +static struct clksrc_clk clksrcs[] = { + /* nothing here yet */ +}; + +static struct clk init_clocks_off[] = { + /* nothing here yet */ +}; + +#ifdef CONFIG_PM_SLEEP +static int exynos4212_clock_suspend(void) +{ + s3c_pm_do_save(exynos4212_clock_save, ARRAY_SIZE(exynos4212_clock_save)); + + return 0; +} + +static void exynos4212_clock_resume(void) +{ + s3c_pm_do_restore_core(exynos4212_clock_save, ARRAY_SIZE(exynos4212_clock_save)); +} + +#else +#define exynos4212_clock_suspend NULL +#define exynos4212_clock_resume NULL +#endif + +struct syscore_ops exynos4212_clock_syscore_ops = { + .suspend = exynos4212_clock_suspend, + .resume = exynos4212_clock_resume, +}; + +void __init exynos4212_register_clocks(void) +{ + int ptr; + + /* usbphy1 is removed */ + clkset_group_list[4] = NULL; + + /* mout_mpll_user is used */ + clkset_group_list[6] = &clk_mout_mpll_user.clk; + clkset_aclk_top_list[0] = &clk_mout_mpll_user.clk; + + clk_mout_mpll.reg_src.reg = S5P_CLKSRC_DMC; + clk_mout_mpll.reg_src.shift = 12; + clk_mout_mpll.reg_src.size = 1; + + for (ptr = 0; ptr < ARRAY_SIZE(sysclks); ptr++) + s3c_register_clksrc(sysclks[ptr], 1); + + s3c_register_clksrc(clksrcs, ARRAY_SIZE(clksrcs)); + + s3c_register_clocks(init_clocks_off, ARRAY_SIZE(init_clocks_off)); + s3c_disable_clocks(init_clocks_off, ARRAY_SIZE(init_clocks_off)); + + register_syscore_ops(&exynos4212_clock_syscore_ops); +} diff --git a/arch/arm/mach-exynos4/clock.c b/arch/arm/mach-exynos4/clock.c index 1561b036a9bf..a25c81836759 100644 --- a/arch/arm/mach-exynos4/clock.c +++ b/arch/arm/mach-exynos4/clock.c @@ -13,6 +13,7 @@ #include <linux/kernel.h> #include <linux/err.h> #include <linux/io.h> +#include <linux/syscore_ops.h> #include <plat/cpu-freq.h> #include <plat/clock.h> @@ -20,29 +21,101 @@ #include <plat/pll.h> #include <plat/s5p-clock.h> #include <plat/clock-clksrc.h> +#include <plat/exynos4.h> +#include <plat/pm.h> #include <mach/map.h> #include <mach/regs-clock.h> #include <mach/sysmmu.h> - -static struct clk clk_sclk_hdmi27m = { +#include <mach/exynos4-clock.h> + +static struct sleep_save exynos4_clock_save[] = { + SAVE_ITEM(S5P_CLKDIV_LEFTBUS), + SAVE_ITEM(S5P_CLKGATE_IP_LEFTBUS), + SAVE_ITEM(S5P_CLKDIV_RIGHTBUS), + SAVE_ITEM(S5P_CLKGATE_IP_RIGHTBUS), + SAVE_ITEM(S5P_CLKSRC_TOP0), + SAVE_ITEM(S5P_CLKSRC_TOP1), + SAVE_ITEM(S5P_CLKSRC_CAM), + SAVE_ITEM(S5P_CLKSRC_TV), + SAVE_ITEM(S5P_CLKSRC_MFC), + SAVE_ITEM(S5P_CLKSRC_G3D), + SAVE_ITEM(S5P_CLKSRC_LCD0), + SAVE_ITEM(S5P_CLKSRC_MAUDIO), + SAVE_ITEM(S5P_CLKSRC_FSYS), + SAVE_ITEM(S5P_CLKSRC_PERIL0), + SAVE_ITEM(S5P_CLKSRC_PERIL1), + SAVE_ITEM(S5P_CLKDIV_CAM), + SAVE_ITEM(S5P_CLKDIV_TV), + SAVE_ITEM(S5P_CLKDIV_MFC), + SAVE_ITEM(S5P_CLKDIV_G3D), + SAVE_ITEM(S5P_CLKDIV_LCD0), + SAVE_ITEM(S5P_CLKDIV_MAUDIO), + SAVE_ITEM(S5P_CLKDIV_FSYS0), + SAVE_ITEM(S5P_CLKDIV_FSYS1), + SAVE_ITEM(S5P_CLKDIV_FSYS2), + SAVE_ITEM(S5P_CLKDIV_FSYS3), + SAVE_ITEM(S5P_CLKDIV_PERIL0), + SAVE_ITEM(S5P_CLKDIV_PERIL1), + SAVE_ITEM(S5P_CLKDIV_PERIL2), + SAVE_ITEM(S5P_CLKDIV_PERIL3), + SAVE_ITEM(S5P_CLKDIV_PERIL4), + SAVE_ITEM(S5P_CLKDIV_PERIL5), + SAVE_ITEM(S5P_CLKDIV_TOP), + SAVE_ITEM(S5P_CLKSRC_MASK_TOP), + SAVE_ITEM(S5P_CLKSRC_MASK_CAM), + SAVE_ITEM(S5P_CLKSRC_MASK_TV), + SAVE_ITEM(S5P_CLKSRC_MASK_LCD0), + SAVE_ITEM(S5P_CLKSRC_MASK_MAUDIO), + SAVE_ITEM(S5P_CLKSRC_MASK_FSYS), + SAVE_ITEM(S5P_CLKSRC_MASK_PERIL0), + SAVE_ITEM(S5P_CLKSRC_MASK_PERIL1), + SAVE_ITEM(S5P_CLKDIV2_RATIO), + SAVE_ITEM(S5P_CLKGATE_SCLKCAM), + SAVE_ITEM(S5P_CLKGATE_IP_CAM), + SAVE_ITEM(S5P_CLKGATE_IP_TV), + SAVE_ITEM(S5P_CLKGATE_IP_MFC), + SAVE_ITEM(S5P_CLKGATE_IP_G3D), + SAVE_ITEM(S5P_CLKGATE_IP_LCD0), + SAVE_ITEM(S5P_CLKGATE_IP_FSYS), + SAVE_ITEM(S5P_CLKGATE_IP_GPS), + SAVE_ITEM(S5P_CLKGATE_IP_PERIL), + SAVE_ITEM(S5P_CLKGATE_BLOCK), + SAVE_ITEM(S5P_CLKSRC_MASK_DMC), + SAVE_ITEM(S5P_CLKSRC_DMC), + SAVE_ITEM(S5P_CLKDIV_DMC0), + SAVE_ITEM(S5P_CLKDIV_DMC1), + SAVE_ITEM(S5P_CLKGATE_IP_DMC), + SAVE_ITEM(S5P_CLKSRC_CPU), + SAVE_ITEM(S5P_CLKDIV_CPU), + SAVE_ITEM(S5P_CLKDIV_CPU + 0x4), + SAVE_ITEM(S5P_CLKGATE_SCLKCPU), + SAVE_ITEM(S5P_CLKGATE_IP_CPU), +}; + +struct clk clk_sclk_hdmi27m = { .name = "sclk_hdmi27m", .rate = 27000000, }; -static struct clk clk_sclk_hdmiphy = { +struct clk clk_sclk_hdmiphy = { .name = "sclk_hdmiphy", }; -static struct clk clk_sclk_usbphy0 = { +struct clk clk_sclk_usbphy0 = { .name = "sclk_usbphy0", .rate = 27000000, }; -static struct clk clk_sclk_usbphy1 = { +struct clk clk_sclk_usbphy1 = { .name = "sclk_usbphy1", }; +static struct clk dummy_apb_pclk = { + .name = "apb_pclk", + .id = -1, +}; + static int exynos4_clksrc_mask_top_ctrl(struct clk *clk, int enable) { return s5p_gatectrl(S5P_CLKSRC_MASK_TOP, clk, enable); @@ -58,12 +131,7 @@ static int exynos4_clksrc_mask_lcd0_ctrl(struct clk *clk, int enable) return s5p_gatectrl(S5P_CLKSRC_MASK_LCD0, clk, enable); } -static int exynos4_clksrc_mask_lcd1_ctrl(struct clk *clk, int enable) -{ - return s5p_gatectrl(S5P_CLKSRC_MASK_LCD1, clk, enable); -} - -static int exynos4_clksrc_mask_fsys_ctrl(struct clk *clk, int enable) +int exynos4_clksrc_mask_fsys_ctrl(struct clk *clk, int enable) { return s5p_gatectrl(S5P_CLKSRC_MASK_FSYS, clk, enable); } @@ -83,6 +151,11 @@ static int exynos4_clk_ip_mfc_ctrl(struct clk *clk, int enable) return s5p_gatectrl(S5P_CLKGATE_IP_MFC, clk, enable); } +static int exynos4_clksrc_mask_tv_ctrl(struct clk *clk, int enable) +{ + return s5p_gatectrl(S5P_CLKSRC_MASK_TV, clk, enable); +} + static int exynos4_clk_ip_cam_ctrl(struct clk *clk, int enable) { return s5p_gatectrl(S5P_CLKGATE_IP_CAM, clk, enable); @@ -103,12 +176,12 @@ static int exynos4_clk_ip_lcd0_ctrl(struct clk *clk, int enable) return s5p_gatectrl(S5P_CLKGATE_IP_LCD0, clk, enable); } -static int exynos4_clk_ip_lcd1_ctrl(struct clk *clk, int enable) +int exynos4_clk_ip_lcd1_ctrl(struct clk *clk, int enable) { return s5p_gatectrl(S5P_CLKGATE_IP_LCD1, clk, enable); } -static int exynos4_clk_ip_fsys_ctrl(struct clk *clk, int enable) +int exynos4_clk_ip_fsys_ctrl(struct clk *clk, int enable) { return s5p_gatectrl(S5P_CLKGATE_IP_FSYS, clk, enable); } @@ -123,6 +196,16 @@ static int exynos4_clk_ip_perir_ctrl(struct clk *clk, int enable) return s5p_gatectrl(S5P_CLKGATE_IP_PERIR, clk, enable); } +static int exynos4_clk_hdmiphy_ctrl(struct clk *clk, int enable) +{ + return s5p_gatectrl(S5P_HDMI_PHY_CONTROL, clk, enable); +} + +static int exynos4_clk_dac_ctrl(struct clk *clk, int enable) +{ + return s5p_gatectrl(S5P_DAC_PHY_CONTROL, clk, enable); +} + /* Core list of CMU_CPU side */ static struct clksrc_clk clk_mout_apll = { @@ -133,7 +216,7 @@ static struct clksrc_clk clk_mout_apll = { .reg_src = { .reg = S5P_CLKSRC_CPU, .shift = 0, .size = 1 }, }; -static struct clksrc_clk clk_sclk_apll = { +struct clksrc_clk clk_sclk_apll = { .clk = { .name = "sclk_apll", .parent = &clk_mout_apll.clk, @@ -141,7 +224,7 @@ static struct clksrc_clk clk_sclk_apll = { .reg_div = { .reg = S5P_CLKDIV_CPU, .shift = 24, .size = 3 }, }; -static struct clksrc_clk clk_mout_epll = { +struct clksrc_clk clk_mout_epll = { .clk = { .name = "mout_epll", }, @@ -149,12 +232,13 @@ static struct clksrc_clk clk_mout_epll = { .reg_src = { .reg = S5P_CLKSRC_TOP0, .shift = 4, .size = 1 }, }; -static struct clksrc_clk clk_mout_mpll = { +struct clksrc_clk clk_mout_mpll = { .clk = { .name = "mout_mpll", }, .sources = &clk_src_mpll, - .reg_src = { .reg = S5P_CLKSRC_CPU, .shift = 8, .size = 1 }, + + /* reg_src will be added in each SoCs' clock */ }; static struct clk *clkset_moutcore_list[] = { @@ -224,12 +308,12 @@ static struct clksrc_clk clk_periphclk = { /* Core list of CMU_CORE side */ -static struct clk *clkset_corebus_list[] = { +struct clk *clkset_corebus_list[] = { [0] = &clk_mout_mpll.clk, [1] = &clk_sclk_apll.clk, }; -static struct clksrc_sources clkset_mout_corebus = { +struct clksrc_sources clkset_mout_corebus = { .sources = clkset_corebus_list, .nr_sources = ARRAY_SIZE(clkset_corebus_list), }; @@ -284,12 +368,12 @@ static struct clksrc_clk clk_pclk_acp = { /* Core list of CMU_TOP side */ -static struct clk *clkset_aclk_top_list[] = { +struct clk *clkset_aclk_top_list[] = { [0] = &clk_mout_mpll.clk, [1] = &clk_sclk_apll.clk, }; -static struct clksrc_sources clkset_aclk = { +struct clksrc_sources clkset_aclk = { .sources = clkset_aclk_top_list, .nr_sources = ARRAY_SIZE(clkset_aclk_top_list), }; @@ -321,7 +405,7 @@ static struct clksrc_clk clk_aclk_160 = { .reg_div = { .reg = S5P_CLKDIV_TOP, .shift = 8, .size = 3 }, }; -static struct clksrc_clk clk_aclk_133 = { +struct clksrc_clk clk_aclk_133 = { .clk = { .name = "aclk_133", }, @@ -360,7 +444,7 @@ static struct clksrc_sources clkset_sclk_vpll = { .nr_sources = ARRAY_SIZE(clkset_sclk_vpll_list), }; -static struct clksrc_clk clk_sclk_vpll = { +struct clksrc_clk clk_sclk_vpll = { .clk = { .name = "sclk_vpll", }, @@ -410,16 +494,6 @@ static struct clk init_clocks_off[] = { .enable = exynos4_clk_ip_lcd0_ctrl, .ctrlbit = (1 << 0), }, { - .name = "fimd", - .devname = "exynos4-fb.1", - .enable = exynos4_clk_ip_lcd1_ctrl, - .ctrlbit = (1 << 0), - }, { - .name = "sataphy", - .parent = &clk_aclk_133.clk, - .enable = exynos4_clk_ip_fsys_ctrl, - .ctrlbit = (1 << 3), - }, { .name = "hsmmc", .devname = "s3c-sdhci.0", .parent = &clk_aclk_133.clk, @@ -449,18 +523,48 @@ static struct clk init_clocks_off[] = { .enable = exynos4_clk_ip_fsys_ctrl, .ctrlbit = (1 << 9), }, { + .name = "dac", + .devname = "s5p-sdo", + .enable = exynos4_clk_ip_tv_ctrl, + .ctrlbit = (1 << 2), + }, { + .name = "mixer", + .devname = "s5p-mixer", + .enable = exynos4_clk_ip_tv_ctrl, + .ctrlbit = (1 << 1), + }, { + .name = "vp", + .devname = "s5p-mixer", + .enable = exynos4_clk_ip_tv_ctrl, + .ctrlbit = (1 << 0), + }, { + .name = "hdmi", + .devname = "exynos4-hdmi", + .enable = exynos4_clk_ip_tv_ctrl, + .ctrlbit = (1 << 3), + }, { + .name = "hdmiphy", + .devname = "exynos4-hdmi", + .enable = exynos4_clk_hdmiphy_ctrl, + .ctrlbit = (1 << 0), + }, { + .name = "dacphy", + .devname = "s5p-sdo", + .enable = exynos4_clk_dac_ctrl, + .ctrlbit = (1 << 0), + }, { .name = "sata", .parent = &clk_aclk_133.clk, .enable = exynos4_clk_ip_fsys_ctrl, .ctrlbit = (1 << 10), }, { - .name = "pdma", - .devname = "s3c-pl330.0", + .name = "dma", + .devname = "dma-pl330.0", .enable = exynos4_clk_ip_fsys_ctrl, .ctrlbit = (1 << 0), }, { - .name = "pdma", - .devname = "s3c-pl330.1", + .name = "dma", + .devname = "dma-pl330.1", .enable = exynos4_clk_ip_fsys_ctrl, .ctrlbit = (1 << 1), }, { @@ -581,6 +685,12 @@ static struct clk init_clocks_off[] = { .enable = exynos4_clk_ip_peril_ctrl, .ctrlbit = (1 << 13), }, { + .name = "i2c", + .devname = "s3c2440-hdmiphy-i2c", + .parent = &clk_aclk_100.clk, + .enable = exynos4_clk_ip_peril_ctrl, + .ctrlbit = (1 << 14), + }, { .name = "SYSMMU_MDMA", .enable = exynos4_clk_ip_image_ctrl, .ctrlbit = (1 << 5), @@ -673,7 +783,7 @@ static struct clk init_clocks[] = { } }; -static struct clk *clkset_group_list[] = { +struct clk *clkset_group_list[] = { [0] = &clk_ext_xtal_mux, [1] = &clk_xusbxti, [2] = &clk_sclk_hdmi27m, @@ -685,7 +795,7 @@ static struct clk *clkset_group_list[] = { [8] = &clk_sclk_vpll.clk, }; -static struct clksrc_sources clkset_group = { +struct clksrc_sources clkset_group = { .sources = clkset_group_list, .nr_sources = ARRAY_SIZE(clkset_group_list), }; @@ -782,6 +892,81 @@ static struct clksrc_sources clkset_mout_mfc = { .nr_sources = ARRAY_SIZE(clkset_mout_mfc_list), }; +static struct clk *clkset_sclk_dac_list[] = { + [0] = &clk_sclk_vpll.clk, + [1] = &clk_sclk_hdmiphy, +}; + +static struct clksrc_sources clkset_sclk_dac = { + .sources = clkset_sclk_dac_list, + .nr_sources = ARRAY_SIZE(clkset_sclk_dac_list), +}; + +static struct clksrc_clk clk_sclk_dac = { + .clk = { + .name = "sclk_dac", + .enable = exynos4_clksrc_mask_tv_ctrl, + .ctrlbit = (1 << 8), + }, + .sources = &clkset_sclk_dac, + .reg_src = { .reg = S5P_CLKSRC_TV, .shift = 8, .size = 1 }, +}; + +static struct clksrc_clk clk_sclk_pixel = { + .clk = { + .name = "sclk_pixel", + .parent = &clk_sclk_vpll.clk, + }, + .reg_div = { .reg = S5P_CLKDIV_TV, .shift = 0, .size = 4 }, +}; + +static struct clk *clkset_sclk_hdmi_list[] = { + [0] = &clk_sclk_pixel.clk, + [1] = &clk_sclk_hdmiphy, +}; + +static struct clksrc_sources clkset_sclk_hdmi = { + .sources = clkset_sclk_hdmi_list, + .nr_sources = ARRAY_SIZE(clkset_sclk_hdmi_list), +}; + +static struct clksrc_clk clk_sclk_hdmi = { + .clk = { + .name = "sclk_hdmi", + .enable = exynos4_clksrc_mask_tv_ctrl, + .ctrlbit = (1 << 0), + }, + .sources = &clkset_sclk_hdmi, + .reg_src = { .reg = S5P_CLKSRC_TV, .shift = 0, .size = 1 }, +}; + +static struct clk *clkset_sclk_mixer_list[] = { + [0] = &clk_sclk_dac.clk, + [1] = &clk_sclk_hdmi.clk, +}; + +static struct clksrc_sources clkset_sclk_mixer = { + .sources = clkset_sclk_mixer_list, + .nr_sources = ARRAY_SIZE(clkset_sclk_mixer_list), +}; + +static struct clksrc_clk clk_sclk_mixer = { + .clk = { + .name = "sclk_mixer", + .enable = exynos4_clksrc_mask_tv_ctrl, + .ctrlbit = (1 << 4), + }, + .sources = &clkset_sclk_mixer, + .reg_src = { .reg = S5P_CLKSRC_TV, .shift = 4, .size = 1 }, +}; + +static struct clksrc_clk *sclk_tv[] = { + &clk_sclk_dac, + &clk_sclk_pixel, + &clk_sclk_hdmi, + &clk_sclk_mixer, +}; + static struct clksrc_clk clk_dout_mmc0 = { .clk = { .name = "dout_mmc0", @@ -899,8 +1084,7 @@ static struct clksrc_clk clksrcs[] = { .reg_div = { .reg = S5P_CLKDIV_CAM, .shift = 28, .size = 4 }, }, { .clk = { - .name = "sclk_cam", - .devname = "exynos4-fimc.0", + .name = "sclk_cam0", .enable = exynos4_clksrc_mask_cam_ctrl, .ctrlbit = (1 << 16), }, @@ -909,8 +1093,7 @@ static struct clksrc_clk clksrcs[] = { .reg_div = { .reg = S5P_CLKDIV_CAM, .shift = 16, .size = 4 }, }, { .clk = { - .name = "sclk_cam", - .devname = "exynos4-fimc.1", + .name = "sclk_cam1", .enable = exynos4_clksrc_mask_cam_ctrl, .ctrlbit = (1 << 20), }, @@ -969,25 +1152,6 @@ static struct clksrc_clk clksrcs[] = { .reg_div = { .reg = S5P_CLKDIV_LCD0, .shift = 0, .size = 4 }, }, { .clk = { - .name = "sclk_fimd", - .devname = "exynos4-fb.1", - .enable = exynos4_clksrc_mask_lcd1_ctrl, - .ctrlbit = (1 << 0), - }, - .sources = &clkset_group, - .reg_src = { .reg = S5P_CLKSRC_LCD1, .shift = 0, .size = 4 }, - .reg_div = { .reg = S5P_CLKDIV_LCD1, .shift = 0, .size = 4 }, - }, { - .clk = { - .name = "sclk_sata", - .enable = exynos4_clksrc_mask_fsys_ctrl, - .ctrlbit = (1 << 24), - }, - .sources = &clkset_mout_corebus, - .reg_src = { .reg = S5P_CLKSRC_FSYS, .shift = 24, .size = 1 }, - .reg_div = { .reg = S5P_CLKDIV_FSYS0, .shift = 20, .size = 4 }, - }, { - .clk = { .name = "sclk_spi", .devname = "s3c64xx-spi.0", .enable = exynos4_clksrc_mask_peril1_ctrl, @@ -1116,20 +1280,91 @@ static int xtal_rate; static unsigned long exynos4_fout_apll_get_rate(struct clk *clk) { - return s5p_get_pll45xx(xtal_rate, __raw_readl(S5P_APLL_CON0), pll_4508); + if (soc_is_exynos4210()) + return s5p_get_pll45xx(xtal_rate, __raw_readl(S5P_APLL_CON0), + pll_4508); + else if (soc_is_exynos4212()) + return s5p_get_pll35xx(xtal_rate, __raw_readl(S5P_APLL_CON0)); + else + return 0; } static struct clk_ops exynos4_fout_apll_ops = { .get_rate = exynos4_fout_apll_get_rate, }; +static u32 vpll_div[][8] = { + { 54000000, 3, 53, 3, 1024, 0, 17, 0 }, + { 108000000, 3, 53, 2, 1024, 0, 17, 0 }, +}; + +static unsigned long exynos4_vpll_get_rate(struct clk *clk) +{ + return clk->rate; +} + +static int exynos4_vpll_set_rate(struct clk *clk, unsigned long rate) +{ + unsigned int vpll_con0, vpll_con1 = 0; + unsigned int i; + + /* Return if nothing changed */ + if (clk->rate == rate) + return 0; + + vpll_con0 = __raw_readl(S5P_VPLL_CON0); + vpll_con0 &= ~(0x1 << 27 | \ + PLL90XX_MDIV_MASK << PLL46XX_MDIV_SHIFT | \ + PLL90XX_PDIV_MASK << PLL46XX_PDIV_SHIFT | \ + PLL90XX_SDIV_MASK << PLL46XX_SDIV_SHIFT); + + vpll_con1 = __raw_readl(S5P_VPLL_CON1); + vpll_con1 &= ~(PLL46XX_MRR_MASK << PLL46XX_MRR_SHIFT | \ + PLL46XX_MFR_MASK << PLL46XX_MFR_SHIFT | \ + PLL4650C_KDIV_MASK << PLL46XX_KDIV_SHIFT); + + for (i = 0; i < ARRAY_SIZE(vpll_div); i++) { + if (vpll_div[i][0] == rate) { + vpll_con0 |= vpll_div[i][1] << PLL46XX_PDIV_SHIFT; + vpll_con0 |= vpll_div[i][2] << PLL46XX_MDIV_SHIFT; + vpll_con0 |= vpll_div[i][3] << PLL46XX_SDIV_SHIFT; + vpll_con1 |= vpll_div[i][4] << PLL46XX_KDIV_SHIFT; + vpll_con1 |= vpll_div[i][5] << PLL46XX_MFR_SHIFT; + vpll_con1 |= vpll_div[i][6] << PLL46XX_MRR_SHIFT; + vpll_con0 |= vpll_div[i][7] << 27; + break; + } + } + + if (i == ARRAY_SIZE(vpll_div)) { + printk(KERN_ERR "%s: Invalid Clock VPLL Frequency\n", + __func__); + return -EINVAL; + } + + __raw_writel(vpll_con0, S5P_VPLL_CON0); + __raw_writel(vpll_con1, S5P_VPLL_CON1); + + /* Wait for VPLL lock */ + while (!(__raw_readl(S5P_VPLL_CON0) & (1 << PLL46XX_LOCKED_SHIFT))) + continue; + + clk->rate = rate; + return 0; +} + +static struct clk_ops exynos4_vpll_ops = { + .get_rate = exynos4_vpll_get_rate, + .set_rate = exynos4_vpll_set_rate, +}; + void __init_or_cpufreq exynos4_setup_clocks(void) { struct clk *xtal_clk; - unsigned long apll; - unsigned long mpll; - unsigned long epll; - unsigned long vpll; + unsigned long apll = 0; + unsigned long mpll = 0; + unsigned long epll = 0; + unsigned long vpll = 0; unsigned long vpllsrc; unsigned long xtal; unsigned long armclk; @@ -1153,18 +1388,34 @@ void __init_or_cpufreq exynos4_setup_clocks(void) printk(KERN_DEBUG "%s: xtal is %ld\n", __func__, xtal); - apll = s5p_get_pll45xx(xtal, __raw_readl(S5P_APLL_CON0), pll_4508); - mpll = s5p_get_pll45xx(xtal, __raw_readl(S5P_MPLL_CON0), pll_4508); - epll = s5p_get_pll46xx(xtal, __raw_readl(S5P_EPLL_CON0), - __raw_readl(S5P_EPLL_CON1), pll_4600); - - vpllsrc = clk_get_rate(&clk_vpllsrc.clk); - vpll = s5p_get_pll46xx(vpllsrc, __raw_readl(S5P_VPLL_CON0), - __raw_readl(S5P_VPLL_CON1), pll_4650); + if (soc_is_exynos4210()) { + apll = s5p_get_pll45xx(xtal, __raw_readl(S5P_APLL_CON0), + pll_4508); + mpll = s5p_get_pll45xx(xtal, __raw_readl(S5P_MPLL_CON0), + pll_4508); + epll = s5p_get_pll46xx(xtal, __raw_readl(S5P_EPLL_CON0), + __raw_readl(S5P_EPLL_CON1), pll_4600); + + vpllsrc = clk_get_rate(&clk_vpllsrc.clk); + vpll = s5p_get_pll46xx(vpllsrc, __raw_readl(S5P_VPLL_CON0), + __raw_readl(S5P_VPLL_CON1), pll_4650c); + } else if (soc_is_exynos4212()) { + apll = s5p_get_pll35xx(xtal, __raw_readl(S5P_APLL_CON0)); + mpll = s5p_get_pll35xx(xtal, __raw_readl(S5P_MPLL_CON0)); + epll = s5p_get_pll36xx(xtal, __raw_readl(S5P_EPLL_CON0), + __raw_readl(S5P_EPLL_CON1)); + + vpllsrc = clk_get_rate(&clk_vpllsrc.clk); + vpll = s5p_get_pll36xx(vpllsrc, __raw_readl(S5P_VPLL_CON0), + __raw_readl(S5P_VPLL_CON1)); + } else { + /* nothing */ + } clk_fout_apll.ops = &exynos4_fout_apll_ops; clk_fout_mpll.rate = mpll; clk_fout_epll.rate = epll; + clk_fout_vpll.ops = &exynos4_vpll_ops; clk_fout_vpll.rate = vpll; printk(KERN_INFO "EXYNOS4: PLL settings, A=%ld, M=%ld, E=%ld V=%ld", @@ -1192,7 +1443,32 @@ void __init_or_cpufreq exynos4_setup_clocks(void) } static struct clk *clks[] __initdata = { - /* Nothing here yet */ + &clk_sclk_hdmi27m, + &clk_sclk_hdmiphy, + &clk_sclk_usbphy0, + &clk_sclk_usbphy1, +}; + +#ifdef CONFIG_PM_SLEEP +static int exynos4_clock_suspend(void) +{ + s3c_pm_do_save(exynos4_clock_save, ARRAY_SIZE(exynos4_clock_save)); + return 0; +} + +static void exynos4_clock_resume(void) +{ + s3c_pm_do_restore_core(exynos4_clock_save, ARRAY_SIZE(exynos4_clock_save)); +} + +#else +#define exynos4_clock_suspend NULL +#define exynos4_clock_resume NULL +#endif + +struct syscore_ops exynos4_clock_syscore_ops = { + .suspend = exynos4_clock_suspend, + .resume = exynos4_clock_resume, }; void __init exynos4_register_clocks(void) @@ -1204,11 +1480,17 @@ void __init exynos4_register_clocks(void) for (ptr = 0; ptr < ARRAY_SIZE(sysclks); ptr++) s3c_register_clksrc(sysclks[ptr], 1); + for (ptr = 0; ptr < ARRAY_SIZE(sclk_tv); ptr++) + s3c_register_clksrc(sclk_tv[ptr], 1); + s3c_register_clksrc(clksrcs, ARRAY_SIZE(clksrcs)); s3c_register_clocks(init_clocks, ARRAY_SIZE(init_clocks)); s3c_register_clocks(init_clocks_off, ARRAY_SIZE(init_clocks_off)); s3c_disable_clocks(init_clocks_off, ARRAY_SIZE(init_clocks_off)); + register_syscore_ops(&exynos4_clock_syscore_ops); + s3c24xx_register_clock(&dummy_apb_pclk); + s3c_pwmclk_init(); } diff --git a/arch/arm/mach-exynos4/cpu.c b/arch/arm/mach-exynos4/cpu.c index 746d6fc6d397..2aa3df003683 100644 --- a/arch/arm/mach-exynos4/cpu.c +++ b/arch/arm/mach-exynos4/cpu.c @@ -28,6 +28,7 @@ #include <plat/fimc-core.h> #include <plat/iic-core.h> #include <plat/reset.h> +#include <plat/tv-core.h> #include <mach/regs-irq.h> #include <mach/regs-pmu.h> @@ -44,11 +45,6 @@ static struct map_desc exynos4_iodesc[] __initdata = { .length = SZ_4K, .type = MT_DEVICE, }, { - .virtual = (unsigned long)S5P_VA_SYSRAM, - .pfn = __phys_to_pfn(EXYNOS4_PA_SYSRAM), - .length = SZ_4K, - .type = MT_DEVICE, - }, { .virtual = (unsigned long)S5P_VA_CMU, .pfn = __phys_to_pfn(EXYNOS4_PA_CMU), .length = SZ_128K, @@ -121,6 +117,24 @@ static struct map_desc exynos4_iodesc[] __initdata = { }, }; +static struct map_desc exynos4_iodesc0[] __initdata = { + { + .virtual = (unsigned long)S5P_VA_SYSRAM, + .pfn = __phys_to_pfn(EXYNOS4_PA_SYSRAM0), + .length = SZ_4K, + .type = MT_DEVICE, + }, +}; + +static struct map_desc exynos4_iodesc1[] __initdata = { + { + .virtual = (unsigned long)S5P_VA_SYSRAM, + .pfn = __phys_to_pfn(EXYNOS4_PA_SYSRAM1), + .length = SZ_4K, + .type = MT_DEVICE, + }, +}; + static void exynos4_idle(void) { if (!need_resched()) @@ -143,6 +157,11 @@ void __init exynos4_map_io(void) { iotable_init(exynos4_iodesc, ARRAY_SIZE(exynos4_iodesc)); + if (soc_is_exynos4210() && samsung_rev() == EXYNOS4210_REV_0) + iotable_init(exynos4_iodesc0, ARRAY_SIZE(exynos4_iodesc0)); + else + iotable_init(exynos4_iodesc1, ARRAY_SIZE(exynos4_iodesc1)); + /* initialize device information early */ exynos4_default_sdhci0(); exynos4_default_sdhci1(); @@ -162,6 +181,7 @@ void __init exynos4_map_io(void) s3c_i2c2_setname("s3c2440-i2c"); s5p_fb_setname(0, "exynos4-fb"); + s5p_hdmi_setname("exynos4-hdmi"); } void __init exynos4_init_clocks(int xtal) @@ -170,6 +190,12 @@ void __init exynos4_init_clocks(int xtal) s3c24xx_register_baseclocks(xtal); s5p_register_clocks(xtal); + + if (soc_is_exynos4210()) + exynos4210_register_clocks(); + else if (soc_is_exynos4212()) + exynos4212_register_clocks(); + exynos4_register_clocks(); exynos4_setup_clocks(); } @@ -223,7 +249,11 @@ static int __init exynos4_l2x0_cache_init(void) { /* TAG, Data Latency Control: 2cycle */ __raw_writel(0x110, S5P_VA_L2CC + L2X0_TAG_LATENCY_CTRL); - __raw_writel(0x110, S5P_VA_L2CC + L2X0_DATA_LATENCY_CTRL); + + if (soc_is_exynos4210()) + __raw_writel(0x110, S5P_VA_L2CC + L2X0_DATA_LATENCY_CTRL); + else if (soc_is_exynos4212()) + __raw_writel(0x120, S5P_VA_L2CC + L2X0_DATA_LATENCY_CTRL); /* L2X0 Prefetch Control */ __raw_writel(0x30000007, S5P_VA_L2CC + L2X0_PREFETCH_CTRL); diff --git a/arch/arm/mach-exynos4/dma.c b/arch/arm/mach-exynos4/dma.c index 564bb530f332..9667c61e64fb 100644 --- a/arch/arm/mach-exynos4/dma.c +++ b/arch/arm/mach-exynos4/dma.c @@ -21,151 +21,229 @@ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ -#include <linux/platform_device.h> #include <linux/dma-mapping.h> +#include <linux/amba/bus.h> +#include <linux/amba/pl330.h> +#include <asm/irq.h> #include <plat/devs.h> #include <plat/irqs.h> #include <mach/map.h> #include <mach/irqs.h> - -#include <plat/s3c-pl330-pdata.h> +#include <mach/dma.h> static u64 dma_dmamask = DMA_BIT_MASK(32); -static struct resource exynos4_pdma0_resource[] = { - [0] = { - .start = EXYNOS4_PA_PDMA0, - .end = EXYNOS4_PA_PDMA0 + SZ_4K, - .flags = IORESOURCE_MEM, - }, - [1] = { - .start = IRQ_PDMA0, - .end = IRQ_PDMA0, - .flags = IORESOURCE_IRQ, +struct dma_pl330_peri pdma0_peri[28] = { + { + .peri_id = (u8)DMACH_PCM0_RX, + .rqtype = DEVTOMEM, + }, { + .peri_id = (u8)DMACH_PCM0_TX, + .rqtype = MEMTODEV, + }, { + .peri_id = (u8)DMACH_PCM2_RX, + .rqtype = DEVTOMEM, + }, { + .peri_id = (u8)DMACH_PCM2_TX, + .rqtype = MEMTODEV, + }, { + .peri_id = (u8)DMACH_MSM_REQ0, + }, { + .peri_id = (u8)DMACH_MSM_REQ2, + }, { + .peri_id = (u8)DMACH_SPI0_RX, + .rqtype = DEVTOMEM, + }, { + .peri_id = (u8)DMACH_SPI0_TX, + .rqtype = MEMTODEV, + }, { + .peri_id = (u8)DMACH_SPI2_RX, + .rqtype = DEVTOMEM, + }, { + .peri_id = (u8)DMACH_SPI2_TX, + .rqtype = MEMTODEV, + }, { + .peri_id = (u8)DMACH_I2S0S_TX, + .rqtype = MEMTODEV, + }, { + .peri_id = (u8)DMACH_I2S0_RX, + .rqtype = DEVTOMEM, + }, { + .peri_id = (u8)DMACH_I2S0_TX, + .rqtype = MEMTODEV, + }, { + .peri_id = (u8)DMACH_UART0_RX, + .rqtype = DEVTOMEM, + }, { + .peri_id = (u8)DMACH_UART0_TX, + .rqtype = MEMTODEV, + }, { + .peri_id = (u8)DMACH_UART2_RX, + .rqtype = DEVTOMEM, + }, { + .peri_id = (u8)DMACH_UART2_TX, + .rqtype = MEMTODEV, + }, { + .peri_id = (u8)DMACH_UART4_RX, + .rqtype = DEVTOMEM, + }, { + .peri_id = (u8)DMACH_UART4_TX, + .rqtype = MEMTODEV, + }, { + .peri_id = (u8)DMACH_SLIMBUS0_RX, + .rqtype = DEVTOMEM, + }, { + .peri_id = (u8)DMACH_SLIMBUS0_TX, + .rqtype = MEMTODEV, + }, { + .peri_id = (u8)DMACH_SLIMBUS2_RX, + .rqtype = DEVTOMEM, + }, { + .peri_id = (u8)DMACH_SLIMBUS2_TX, + .rqtype = MEMTODEV, + }, { + .peri_id = (u8)DMACH_SLIMBUS4_RX, + .rqtype = DEVTOMEM, + }, { + .peri_id = (u8)DMACH_SLIMBUS4_TX, + .rqtype = MEMTODEV, + }, { + .peri_id = (u8)DMACH_AC97_MICIN, + .rqtype = DEVTOMEM, + }, { + .peri_id = (u8)DMACH_AC97_PCMIN, + .rqtype = DEVTOMEM, + }, { + .peri_id = (u8)DMACH_AC97_PCMOUT, + .rqtype = MEMTODEV, }, }; -static struct s3c_pl330_platdata exynos4_pdma0_pdata = { - .peri = { - [0] = DMACH_PCM0_RX, - [1] = DMACH_PCM0_TX, - [2] = DMACH_PCM2_RX, - [3] = DMACH_PCM2_TX, - [4] = DMACH_MSM_REQ0, - [5] = DMACH_MSM_REQ2, - [6] = DMACH_SPI0_RX, - [7] = DMACH_SPI0_TX, - [8] = DMACH_SPI2_RX, - [9] = DMACH_SPI2_TX, - [10] = DMACH_I2S0S_TX, - [11] = DMACH_I2S0_RX, - [12] = DMACH_I2S0_TX, - [13] = DMACH_I2S2_RX, - [14] = DMACH_I2S2_TX, - [15] = DMACH_UART0_RX, - [16] = DMACH_UART0_TX, - [17] = DMACH_UART2_RX, - [18] = DMACH_UART2_TX, - [19] = DMACH_UART4_RX, - [20] = DMACH_UART4_TX, - [21] = DMACH_SLIMBUS0_RX, - [22] = DMACH_SLIMBUS0_TX, - [23] = DMACH_SLIMBUS2_RX, - [24] = DMACH_SLIMBUS2_TX, - [25] = DMACH_SLIMBUS4_RX, - [26] = DMACH_SLIMBUS4_TX, - [27] = DMACH_AC97_MICIN, - [28] = DMACH_AC97_PCMIN, - [29] = DMACH_AC97_PCMOUT, - [30] = DMACH_MAX, - [31] = DMACH_MAX, - }, +struct dma_pl330_platdata exynos4_pdma0_pdata = { + .nr_valid_peri = ARRAY_SIZE(pdma0_peri), + .peri = pdma0_peri, }; -static struct platform_device exynos4_device_pdma0 = { - .name = "s3c-pl330", - .id = 0, - .num_resources = ARRAY_SIZE(exynos4_pdma0_resource), - .resource = exynos4_pdma0_resource, - .dev = { +struct amba_device exynos4_device_pdma0 = { + .dev = { + .init_name = "dma-pl330.0", .dma_mask = &dma_dmamask, .coherent_dma_mask = DMA_BIT_MASK(32), .platform_data = &exynos4_pdma0_pdata, }, + .res = { + .start = EXYNOS4_PA_PDMA0, + .end = EXYNOS4_PA_PDMA0 + SZ_4K, + .flags = IORESOURCE_MEM, + }, + .irq = {IRQ_PDMA0, NO_IRQ}, + .periphid = 0x00041330, }; -static struct resource exynos4_pdma1_resource[] = { - [0] = { - .start = EXYNOS4_PA_PDMA1, - .end = EXYNOS4_PA_PDMA1 + SZ_4K, - .flags = IORESOURCE_MEM, - }, - [1] = { - .start = IRQ_PDMA1, - .end = IRQ_PDMA1, - .flags = IORESOURCE_IRQ, +struct dma_pl330_peri pdma1_peri[25] = { + { + .peri_id = (u8)DMACH_PCM0_RX, + .rqtype = DEVTOMEM, + }, { + .peri_id = (u8)DMACH_PCM0_TX, + .rqtype = MEMTODEV, + }, { + .peri_id = (u8)DMACH_PCM1_RX, + .rqtype = DEVTOMEM, + }, { + .peri_id = (u8)DMACH_PCM1_TX, + .rqtype = MEMTODEV, + }, { + .peri_id = (u8)DMACH_MSM_REQ1, + }, { + .peri_id = (u8)DMACH_MSM_REQ3, + }, { + .peri_id = (u8)DMACH_SPI1_RX, + .rqtype = DEVTOMEM, + }, { + .peri_id = (u8)DMACH_SPI1_TX, + .rqtype = MEMTODEV, + }, { + .peri_id = (u8)DMACH_I2S0S_TX, + .rqtype = MEMTODEV, + }, { + .peri_id = (u8)DMACH_I2S0_RX, + .rqtype = DEVTOMEM, + }, { + .peri_id = (u8)DMACH_I2S0_TX, + .rqtype = MEMTODEV, + }, { + .peri_id = (u8)DMACH_I2S1_RX, + .rqtype = DEVTOMEM, + }, { + .peri_id = (u8)DMACH_I2S1_TX, + .rqtype = MEMTODEV, + }, { + .peri_id = (u8)DMACH_UART0_RX, + .rqtype = DEVTOMEM, + }, { + .peri_id = (u8)DMACH_UART0_TX, + .rqtype = MEMTODEV, + }, { + .peri_id = (u8)DMACH_UART1_RX, + .rqtype = DEVTOMEM, + }, { + .peri_id = (u8)DMACH_UART1_TX, + .rqtype = MEMTODEV, + }, { + .peri_id = (u8)DMACH_UART3_RX, + .rqtype = DEVTOMEM, + }, { + .peri_id = (u8)DMACH_UART3_TX, + .rqtype = MEMTODEV, + }, { + .peri_id = (u8)DMACH_SLIMBUS1_RX, + .rqtype = DEVTOMEM, + }, { + .peri_id = (u8)DMACH_SLIMBUS1_TX, + .rqtype = MEMTODEV, + }, { + .peri_id = (u8)DMACH_SLIMBUS3_RX, + .rqtype = DEVTOMEM, + }, { + .peri_id = (u8)DMACH_SLIMBUS3_TX, + .rqtype = MEMTODEV, + }, { + .peri_id = (u8)DMACH_SLIMBUS5_RX, + .rqtype = DEVTOMEM, + }, { + .peri_id = (u8)DMACH_SLIMBUS5_TX, + .rqtype = MEMTODEV, }, }; -static struct s3c_pl330_platdata exynos4_pdma1_pdata = { - .peri = { - [0] = DMACH_PCM0_RX, - [1] = DMACH_PCM0_TX, - [2] = DMACH_PCM1_RX, - [3] = DMACH_PCM1_TX, - [4] = DMACH_MSM_REQ1, - [5] = DMACH_MSM_REQ3, - [6] = DMACH_SPI1_RX, - [7] = DMACH_SPI1_TX, - [8] = DMACH_I2S0S_TX, - [9] = DMACH_I2S0_RX, - [10] = DMACH_I2S0_TX, - [11] = DMACH_I2S1_RX, - [12] = DMACH_I2S1_TX, - [13] = DMACH_UART0_RX, - [14] = DMACH_UART0_TX, - [15] = DMACH_UART1_RX, - [16] = DMACH_UART1_TX, - [17] = DMACH_UART3_RX, - [18] = DMACH_UART3_TX, - [19] = DMACH_SLIMBUS1_RX, - [20] = DMACH_SLIMBUS1_TX, - [21] = DMACH_SLIMBUS3_RX, - [22] = DMACH_SLIMBUS3_TX, - [23] = DMACH_SLIMBUS5_RX, - [24] = DMACH_SLIMBUS5_TX, - [25] = DMACH_SLIMBUS0AUX_RX, - [26] = DMACH_SLIMBUS0AUX_TX, - [27] = DMACH_SPDIF, - [28] = DMACH_MAX, - [29] = DMACH_MAX, - [30] = DMACH_MAX, - [31] = DMACH_MAX, - }, +struct dma_pl330_platdata exynos4_pdma1_pdata = { + .nr_valid_peri = ARRAY_SIZE(pdma1_peri), + .peri = pdma1_peri, }; -static struct platform_device exynos4_device_pdma1 = { - .name = "s3c-pl330", - .id = 1, - .num_resources = ARRAY_SIZE(exynos4_pdma1_resource), - .resource = exynos4_pdma1_resource, - .dev = { +struct amba_device exynos4_device_pdma1 = { + .dev = { + .init_name = "dma-pl330.1", .dma_mask = &dma_dmamask, .coherent_dma_mask = DMA_BIT_MASK(32), .platform_data = &exynos4_pdma1_pdata, }, -}; - -static struct platform_device *exynos4_dmacs[] __initdata = { - &exynos4_device_pdma0, - &exynos4_device_pdma1, + .res = { + .start = EXYNOS4_PA_PDMA1, + .end = EXYNOS4_PA_PDMA1 + SZ_4K, + .flags = IORESOURCE_MEM, + }, + .irq = {IRQ_PDMA1, NO_IRQ}, + .periphid = 0x00041330, }; static int __init exynos4_dma_init(void) { - platform_add_devices(exynos4_dmacs, ARRAY_SIZE(exynos4_dmacs)); + amba_device_register(&exynos4_device_pdma0, &iomem_resource); + amba_device_register(&exynos4_device_pdma1, &iomem_resource); return 0; } diff --git a/arch/arm/mach-exynos4/include/mach/dma.h b/arch/arm/mach-exynos4/include/mach/dma.h index 81209eb1409b..201842a3769e 100644 --- a/arch/arm/mach-exynos4/include/mach/dma.h +++ b/arch/arm/mach-exynos4/include/mach/dma.h @@ -20,7 +20,7 @@ #ifndef __MACH_DMA_H #define __MACH_DMA_H -/* This platform uses the common S3C DMA API driver for PL330 */ -#include <plat/s3c-dma-pl330.h> +/* This platform uses the common DMA API driver for PL330 */ +#include <plat/dma-pl330.h> #endif /* __MACH_DMA_H */ diff --git a/arch/arm/mach-exynos4/include/mach/exynos4-clock.h b/arch/arm/mach-exynos4/include/mach/exynos4-clock.h new file mode 100644 index 000000000000..a07fcbf55251 --- /dev/null +++ b/arch/arm/mach-exynos4/include/mach/exynos4-clock.h @@ -0,0 +1,43 @@ +/* + * linux/arch/arm/mach-exynos4/include/mach/exynos4-clock.h + * + * Copyright (c) 2011 Samsung Electronics Co., Ltd. + * http://www.samsung.com + * + * Header file for exynos4 clock support + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. +*/ + +#ifndef __ASM_ARCH_CLOCK_H +#define __ASM_ARCH_CLOCK_H __FILE__ + +#include <linux/clk.h> + +extern struct clk clk_sclk_hdmi27m; +extern struct clk clk_sclk_usbphy0; +extern struct clk clk_sclk_usbphy1; +extern struct clk clk_sclk_hdmiphy; + +extern struct clksrc_clk clk_sclk_apll; +extern struct clksrc_clk clk_mout_mpll; +extern struct clksrc_clk clk_aclk_133; +extern struct clksrc_clk clk_mout_epll; +extern struct clksrc_clk clk_sclk_vpll; + +extern struct clk *clkset_corebus_list[]; +extern struct clksrc_sources clkset_mout_corebus; + +extern struct clk *clkset_aclk_top_list[]; +extern struct clksrc_sources clkset_aclk; + +extern struct clk *clkset_group_list[]; +extern struct clksrc_sources clkset_group; + +extern int exynos4_clksrc_mask_fsys_ctrl(struct clk *clk, int enable); +extern int exynos4_clk_ip_fsys_ctrl(struct clk *clk, int enable); +extern int exynos4_clk_ip_lcd1_ctrl(struct clk *clk, int enable); + +#endif /* __ASM_ARCH_CLOCK_H */ diff --git a/arch/arm/mach-exynos4/include/mach/i2c-hdmiphy.h b/arch/arm/mach-exynos4/include/mach/i2c-hdmiphy.h new file mode 100644 index 000000000000..9dbe3179ad59 --- /dev/null +++ b/arch/arm/mach-exynos4/include/mach/i2c-hdmiphy.h @@ -0,0 +1,16 @@ +/* + * Copyright (C) 2011 Samsung Electronics Co., Ltd. + * + * S5P series i2c hdmiphy helper definitions + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ + +#ifndef PLAT_S5P_I2C_HDMIPHY_H_ +#define PLAT_S5P_I2C_HDMIPHY_H_ + +#define S5P_I2C_HDMIPHY_BUS_NUM (8) + +#endif diff --git a/arch/arm/mach-exynos4/include/mach/irqs.h b/arch/arm/mach-exynos4/include/mach/irqs.h index f8952f8f3757..62093b9339db 100644 --- a/arch/arm/mach-exynos4/include/mach/irqs.h +++ b/arch/arm/mach-exynos4/include/mach/irqs.h @@ -93,7 +93,11 @@ #define IRQ_2D IRQ_SPI(89) #define IRQ_PCIE IRQ_SPI(90) +#define IRQ_MIXER IRQ_SPI(91) +#define IRQ_HDMI IRQ_SPI(92) +#define IRQ_IIC_HDMIPHY IRQ_SPI(93) #define IRQ_MFC IRQ_SPI(94) +#define IRQ_SDO IRQ_SPI(95) #define IRQ_AUDIO_SS IRQ_SPI(96) #define IRQ_I2S0 IRQ_SPI(97) diff --git a/arch/arm/mach-exynos4/include/mach/map.h b/arch/arm/mach-exynos4/include/mach/map.h index d32296dc65e2..1bea7d139bb0 100644 --- a/arch/arm/mach-exynos4/include/mach/map.h +++ b/arch/arm/mach-exynos4/include/mach/map.h @@ -23,7 +23,8 @@ #include <plat/map-s5p.h> -#define EXYNOS4_PA_SYSRAM 0x02020000 +#define EXYNOS4_PA_SYSRAM0 0x02025000 +#define EXYNOS4_PA_SYSRAM1 0x02020000 #define EXYNOS4_PA_FIMC0 0x11800000 #define EXYNOS4_PA_FIMC1 0x11810000 @@ -112,6 +113,12 @@ #define EXYNOS4_PA_UART 0x13800000 +#define EXYNOS4_PA_VP 0x12C00000 +#define EXYNOS4_PA_MIXER 0x12C10000 +#define EXYNOS4_PA_SDO 0x12C20000 +#define EXYNOS4_PA_HDMI 0x12D00000 +#define EXYNOS4_PA_IIC_HDMIPHY 0x138E0000 + #define EXYNOS4_PA_IIC(x) (0x13860000 + ((x) * 0x10000)) #define EXYNOS4_PA_ADC 0x13910000 @@ -161,6 +168,12 @@ #define S5P_PA_TIMER EXYNOS4_PA_TIMER #define S5P_PA_EHCI EXYNOS4_PA_EHCI +#define S5P_PA_SDO EXYNOS4_PA_SDO +#define S5P_PA_VP EXYNOS4_PA_VP +#define S5P_PA_MIXER EXYNOS4_PA_MIXER +#define S5P_PA_HDMI EXYNOS4_PA_HDMI +#define S5P_PA_IIC_HDMIPHY EXYNOS4_PA_IIC_HDMIPHY + #define SAMSUNG_PA_KEYPAD EXYNOS4_PA_KEYPAD /* UART */ diff --git a/arch/arm/mach-exynos4/include/mach/pm-core.h b/arch/arm/mach-exynos4/include/mach/pm-core.h index 1df3b81f96e8..9d8da51e35ca 100644 --- a/arch/arm/mach-exynos4/include/mach/pm-core.h +++ b/arch/arm/mach-exynos4/include/mach/pm-core.h @@ -14,6 +14,10 @@ * it under the terms of the GNU General Public License version 2 as * published by the Free Software Foundation. */ + +#ifndef __ASM_ARCH_PM_CORE_H +#define __ASM_ARCH_PM_CORE_H __FILE__ + #include <mach/regs-pmu.h> static inline void s3c_pm_debug_init_uart(void) @@ -53,7 +57,9 @@ static inline void s3c_pm_restored_gpios(void) /* nothing here yet */ } -static inline void s3c_pm_saved_gpios(void) +static inline void samsung_pm_saved_gpios(void) { /* nothing here yet */ } + +#endif /* __ASM_ARCH_PM_CORE_H */ diff --git a/arch/arm/mach-exynos4/include/mach/pmu.h b/arch/arm/mach-exynos4/include/mach/pmu.h index a952904b010e..632dd5630138 100644 --- a/arch/arm/mach-exynos4/include/mach/pmu.h +++ b/arch/arm/mach-exynos4/include/mach/pmu.h @@ -13,6 +13,8 @@ #ifndef __ASM_ARCH_PMU_H #define __ASM_ARCH_PMU_H __FILE__ +#define PMU_TABLE_END NULL + enum sys_powerdown { SYS_AFTR, SYS_LPA, @@ -20,6 +22,11 @@ enum sys_powerdown { NUM_SYS_POWERDOWN, }; +struct exynos4_pmu_conf { + void __iomem *reg; + unsigned int val[NUM_SYS_POWERDOWN]; +}; + extern void exynos4_sys_powerdown_conf(enum sys_powerdown mode); #endif /* __ASM_ARCH_PMU_H */ diff --git a/arch/arm/mach-exynos4/include/mach/regs-clock.h b/arch/arm/mach-exynos4/include/mach/regs-clock.h index d493fdb422ff..6c37ebe94829 100644 --- a/arch/arm/mach-exynos4/include/mach/regs-clock.h +++ b/arch/arm/mach-exynos4/include/mach/regs-clock.h @@ -13,6 +13,7 @@ #ifndef __ASM_ARCH_REGS_CLOCK_H #define __ASM_ARCH_REGS_CLOCK_H __FILE__ +#include <plat/cpu.h> #include <mach/map.h> #define S5P_CLKREG(x) (S5P_VA_CMU + (x)) @@ -41,12 +42,20 @@ #define S5P_CLKSRC_G3D S5P_CLKREG(0x0C22C) #define S5P_CLKSRC_IMAGE S5P_CLKREG(0x0C230) #define S5P_CLKSRC_LCD0 S5P_CLKREG(0x0C234) -#define S5P_CLKSRC_LCD1 S5P_CLKREG(0x0C238) #define S5P_CLKSRC_MAUDIO S5P_CLKREG(0x0C23C) #define S5P_CLKSRC_FSYS S5P_CLKREG(0x0C240) #define S5P_CLKSRC_PERIL0 S5P_CLKREG(0x0C250) #define S5P_CLKSRC_PERIL1 S5P_CLKREG(0x0C254) +#define S5P_CLKSRC_MASK_TOP S5P_CLKREG(0x0C310) +#define S5P_CLKSRC_MASK_CAM S5P_CLKREG(0x0C320) +#define S5P_CLKSRC_MASK_TV S5P_CLKREG(0x0C324) +#define S5P_CLKSRC_MASK_LCD0 S5P_CLKREG(0x0C334) +#define S5P_CLKSRC_MASK_MAUDIO S5P_CLKREG(0x0C33C) +#define S5P_CLKSRC_MASK_FSYS S5P_CLKREG(0x0C340) +#define S5P_CLKSRC_MASK_PERIL0 S5P_CLKREG(0x0C350) +#define S5P_CLKSRC_MASK_PERIL1 S5P_CLKREG(0x0C354) + #define S5P_CLKDIV_TOP S5P_CLKREG(0x0C510) #define S5P_CLKDIV_CAM S5P_CLKREG(0x0C520) #define S5P_CLKDIV_TV S5P_CLKREG(0x0C524) @@ -54,7 +63,6 @@ #define S5P_CLKDIV_G3D S5P_CLKREG(0x0C52C) #define S5P_CLKDIV_IMAGE S5P_CLKREG(0x0C530) #define S5P_CLKDIV_LCD0 S5P_CLKREG(0x0C534) -#define S5P_CLKDIV_LCD1 S5P_CLKREG(0x0C538) #define S5P_CLKDIV_MAUDIO S5P_CLKREG(0x0C53C) #define S5P_CLKDIV_FSYS0 S5P_CLKREG(0x0C540) #define S5P_CLKDIV_FSYS1 S5P_CLKREG(0x0C544) @@ -68,16 +76,6 @@ #define S5P_CLKDIV_PERIL5 S5P_CLKREG(0x0C564) #define S5P_CLKDIV2_RATIO S5P_CLKREG(0x0C580) -#define S5P_CLKSRC_MASK_TOP S5P_CLKREG(0x0C310) -#define S5P_CLKSRC_MASK_CAM S5P_CLKREG(0x0C320) -#define S5P_CLKSRC_MASK_TV S5P_CLKREG(0x0C324) -#define S5P_CLKSRC_MASK_LCD0 S5P_CLKREG(0x0C334) -#define S5P_CLKSRC_MASK_LCD1 S5P_CLKREG(0x0C338) -#define S5P_CLKSRC_MASK_MAUDIO S5P_CLKREG(0x0C33C) -#define S5P_CLKSRC_MASK_FSYS S5P_CLKREG(0x0C340) -#define S5P_CLKSRC_MASK_PERIL0 S5P_CLKREG(0x0C350) -#define S5P_CLKSRC_MASK_PERIL1 S5P_CLKREG(0x0C354) - #define S5P_CLKDIV_STAT_TOP S5P_CLKREG(0x0C610) #define S5P_CLKGATE_SCLKCAM S5P_CLKREG(0x0C820) @@ -85,13 +83,20 @@ #define S5P_CLKGATE_IP_TV S5P_CLKREG(0x0C924) #define S5P_CLKGATE_IP_MFC S5P_CLKREG(0x0C928) #define S5P_CLKGATE_IP_G3D S5P_CLKREG(0x0C92C) -#define S5P_CLKGATE_IP_IMAGE S5P_CLKREG(0x0C930) +#define S5P_CLKGATE_IP_IMAGE (soc_is_exynos4210() ? \ + S5P_CLKREG(0x0C930) : \ + S5P_CLKREG(0x04930)) +#define S5P_CLKGATE_IP_IMAGE_4210 S5P_CLKREG(0x0C930) +#define S5P_CLKGATE_IP_IMAGE_4212 S5P_CLKREG(0x04930) #define S5P_CLKGATE_IP_LCD0 S5P_CLKREG(0x0C934) -#define S5P_CLKGATE_IP_LCD1 S5P_CLKREG(0x0C938) #define S5P_CLKGATE_IP_FSYS S5P_CLKREG(0x0C940) #define S5P_CLKGATE_IP_GPS S5P_CLKREG(0x0C94C) #define S5P_CLKGATE_IP_PERIL S5P_CLKREG(0x0C950) -#define S5P_CLKGATE_IP_PERIR S5P_CLKREG(0x0C960) +#define S5P_CLKGATE_IP_PERIR (soc_is_exynos4210() ? \ + S5P_CLKREG(0x0C960) : \ + S5P_CLKREG(0x08960)) +#define S5P_CLKGATE_IP_PERIR_4210 S5P_CLKREG(0x0C960) +#define S5P_CLKGATE_IP_PERIR_4212 S5P_CLKREG(0x08960) #define S5P_CLKGATE_BLOCK S5P_CLKREG(0x0C970) #define S5P_CLKSRC_MASK_DMC S5P_CLKREG(0x10300) @@ -102,11 +107,17 @@ #define S5P_CLKGATE_IP_DMC S5P_CLKREG(0x10900) #define S5P_APLL_LOCK S5P_CLKREG(0x14000) -#define S5P_MPLL_LOCK S5P_CLKREG(0x14004) +#define S5P_MPLL_LOCK (soc_is_exynos4210() ? \ + S5P_CLKREG(0x14004) : \ + S5P_CLKREG(0x10008)) #define S5P_APLL_CON0 S5P_CLKREG(0x14100) #define S5P_APLL_CON1 S5P_CLKREG(0x14104) -#define S5P_MPLL_CON0 S5P_CLKREG(0x14108) -#define S5P_MPLL_CON1 S5P_CLKREG(0x1410C) +#define S5P_MPLL_CON0 (soc_is_exynos4210() ? \ + S5P_CLKREG(0x14108) : \ + S5P_CLKREG(0x10108)) +#define S5P_MPLL_CON1 (soc_is_exynos4210() ? \ + S5P_CLKREG(0x1410C) : \ + S5P_CLKREG(0x1010C)) #define S5P_CLKSRC_CPU S5P_CLKREG(0x14200) #define S5P_CLKMUX_STATCPU S5P_CLKREG(0x14400) @@ -183,6 +194,13 @@ #define S5P_CLKDIV_BUS_GPLR_SHIFT (4) #define S5P_CLKDIV_BUS_GPLR_MASK (0x7 << S5P_CLKDIV_BUS_GPLR_SHIFT) +/* Only for EXYNOS4210 */ + +#define S5P_CLKSRC_LCD1 S5P_CLKREG(0x0C238) +#define S5P_CLKSRC_MASK_LCD1 S5P_CLKREG(0x0C338) +#define S5P_CLKDIV_LCD1 S5P_CLKREG(0x0C538) +#define S5P_CLKGATE_IP_LCD1 S5P_CLKREG(0x0C938) + /* Compatibility defines and inclusion */ #include <mach/regs-pmu.h> diff --git a/arch/arm/mach-exynos4/include/mach/regs-pmu.h b/arch/arm/mach-exynos4/include/mach/regs-pmu.h index cdf9b47c303c..4fff8e938fec 100644 --- a/arch/arm/mach-exynos4/include/mach/regs-pmu.h +++ b/arch/arm/mach-exynos4/include/mach/regs-pmu.h @@ -25,9 +25,10 @@ #define S5P_USE_STANDBY_WFI0 (1 << 16) #define S5P_USE_STANDBY_WFI1 (1 << 17) +#define S5P_USE_STANDBYWFI_ISP_ARM (1 << 18) #define S5P_USE_STANDBY_WFE0 (1 << 24) #define S5P_USE_STANDBY_WFE1 (1 << 25) -#define S5P_USE_MASK ((0x3 << 16) | (0x3 << 24)) +#define S5P_USE_STANDBYWFE_ISP_ARM (1 << 26) #define S5P_SWRESET S5P_PMUREG(0x0400) @@ -35,15 +36,17 @@ #define S5P_EINT_WAKEUP_MASK S5P_PMUREG(0x0604) #define S5P_WAKEUP_MASK S5P_PMUREG(0x0608) -#define S5P_USBHOST_PHY_CONTROL S5P_PMUREG(0x0708) -#define S5P_USBHOST_PHY_ENABLE (1 << 0) +#define S5P_HDMI_PHY_CONTROL S5P_PMUREG(0x0700) +#define S5P_HDMI_PHY_ENABLE (1 << 0) + +#define S5P_DAC_PHY_CONTROL S5P_PMUREG(0x070C) +#define S5P_DAC_PHY_ENABLE (1 << 0) #define S5P_MIPI_DPHY_CONTROL(n) S5P_PMUREG(0x0710 + (n) * 4) #define S5P_MIPI_DPHY_ENABLE (1 << 0) #define S5P_MIPI_DPHY_SRESETN (1 << 1) #define S5P_MIPI_DPHY_MRESETN (1 << 2) -#define S5P_PMU_SATA_PHY_CONTROL S5P_PMUREG(0x0720) #define S5P_INFORM0 S5P_PMUREG(0x0800) #define S5P_INFORM1 S5P_PMUREG(0x0804) #define S5P_INFORM2 S5P_PMUREG(0x0808) @@ -76,7 +79,6 @@ #define S5P_CMU_CLKSTOP_MFC_LOWPWR S5P_PMUREG(0x1148) #define S5P_CMU_CLKSTOP_G3D_LOWPWR S5P_PMUREG(0x114C) #define S5P_CMU_CLKSTOP_LCD0_LOWPWR S5P_PMUREG(0x1150) -#define S5P_CMU_CLKSTOP_LCD1_LOWPWR S5P_PMUREG(0x1154) #define S5P_CMU_CLKSTOP_MAUDIO_LOWPWR S5P_PMUREG(0x1158) #define S5P_CMU_CLKSTOP_GPS_LOWPWR S5P_PMUREG(0x115C) #define S5P_CMU_RESET_CAM_LOWPWR S5P_PMUREG(0x1160) @@ -84,7 +86,6 @@ #define S5P_CMU_RESET_MFC_LOWPWR S5P_PMUREG(0x1168) #define S5P_CMU_RESET_G3D_LOWPWR S5P_PMUREG(0x116C) #define S5P_CMU_RESET_LCD0_LOWPWR S5P_PMUREG(0x1170) -#define S5P_CMU_RESET_LCD1_LOWPWR S5P_PMUREG(0x1174) #define S5P_CMU_RESET_MAUDIO_LOWPWR S5P_PMUREG(0x1178) #define S5P_CMU_RESET_GPS_LOWPWR S5P_PMUREG(0x117C) #define S5P_TOP_BUS_LOWPWR S5P_PMUREG(0x1180) @@ -92,14 +93,11 @@ #define S5P_TOP_PWR_LOWPWR S5P_PMUREG(0x1188) #define S5P_LOGIC_RESET_LOWPWR S5P_PMUREG(0x11A0) #define S5P_ONENAND_MEM_LOWPWR S5P_PMUREG(0x11C0) -#define S5P_MODIMIF_MEM_LOWPWR S5P_PMUREG(0x11C4) #define S5P_G2D_ACP_MEM_LOWPWR S5P_PMUREG(0x11C8) #define S5P_USBOTG_MEM_LOWPWR S5P_PMUREG(0x11CC) #define S5P_HSMMC_MEM_LOWPWR S5P_PMUREG(0x11D0) #define S5P_CSSYS_MEM_LOWPWR S5P_PMUREG(0x11D4) #define S5P_SECSS_MEM_LOWPWR S5P_PMUREG(0x11D8) -#define S5P_PCIE_MEM_LOWPWR S5P_PMUREG(0x11E0) -#define S5P_SATA_MEM_LOWPWR S5P_PMUREG(0x11E4) #define S5P_PAD_RETENTION_DRAM_LOWPWR S5P_PMUREG(0x1200) #define S5P_PAD_RETENTION_MAUDIO_LOWPWR S5P_PMUREG(0x1204) #define S5P_PAD_RETENTION_GPIO_LOWPWR S5P_PMUREG(0x1220) @@ -120,7 +118,6 @@ #define S5P_MFC_LOWPWR S5P_PMUREG(0x1388) #define S5P_G3D_LOWPWR S5P_PMUREG(0x138C) #define S5P_LCD0_LOWPWR S5P_PMUREG(0x1390) -#define S5P_LCD1_LOWPWR S5P_PMUREG(0x1394) #define S5P_MAUDIO_LOWPWR S5P_PMUREG(0x1398) #define S5P_GPS_LOWPWR S5P_PMUREG(0x139C) #define S5P_GPS_ALIVE_LOWPWR S5P_PMUREG(0x13A0) @@ -156,7 +153,6 @@ #define S5P_PMU_MFC_CONF S5P_PMUREG(0x3C40) #define S5P_PMU_G3D_CONF S5P_PMUREG(0x3C60) #define S5P_PMU_LCD0_CONF S5P_PMUREG(0x3C80) -#define S5P_PMU_LCD1_CONF S5P_PMUREG(0x3CA0) #define S5P_PMU_GPS_CONF S5P_PMUREG(0x3CE0) #define S5P_PMU_SATA_PHY_CONTROL_EN 0x1 @@ -165,4 +161,60 @@ #define S5P_CHECK_SLEEP 0x00000BAD +/* Only for EXYNOS4210 */ +#define S5P_USBHOST_PHY_CONTROL S5P_PMUREG(0x0708) +#define S5P_USBHOST_PHY_ENABLE (1 << 0) + +#define S5P_PMU_SATA_PHY_CONTROL S5P_PMUREG(0x0720) + +#define S5P_CMU_CLKSTOP_LCD1_LOWPWR S5P_PMUREG(0x1154) +#define S5P_CMU_RESET_LCD1_LOWPWR S5P_PMUREG(0x1174) +#define S5P_MODIMIF_MEM_LOWPWR S5P_PMUREG(0x11C4) +#define S5P_PCIE_MEM_LOWPWR S5P_PMUREG(0x11E0) +#define S5P_SATA_MEM_LOWPWR S5P_PMUREG(0x11E4) +#define S5P_LCD1_LOWPWR S5P_PMUREG(0x1394) + +#define S5P_PMU_LCD1_CONF S5P_PMUREG(0x3CA0) + +/* Only for EXYNOS4212 */ +#define S5P_ISP_ARM_LOWPWR S5P_PMUREG(0x1050) +#define S5P_DIS_IRQ_ISP_ARM_LOCAL_LOWPWR S5P_PMUREG(0x1054) +#define S5P_DIS_IRQ_ISP_ARM_CENTRAL_LOWPWR S5P_PMUREG(0x1058) +#define S5P_CMU_ACLKSTOP_COREBLK_LOWPWR S5P_PMUREG(0x1110) +#define S5P_CMU_SCLKSTOP_COREBLK_LOWPWR S5P_PMUREG(0x1114) +#define S5P_CMU_RESET_COREBLK_LOWPWR S5P_PMUREG(0x111C) +#define S5P_MPLLUSER_SYSCLK_LOWPWR S5P_PMUREG(0x1130) +#define S5P_CMU_CLKSTOP_ISP_LOWPWR S5P_PMUREG(0x1154) +#define S5P_CMU_RESET_ISP_LOWPWR S5P_PMUREG(0x1174) +#define S5P_TOP_BUS_COREBLK_LOWPWR S5P_PMUREG(0x1190) +#define S5P_TOP_RETENTION_COREBLK_LOWPWR S5P_PMUREG(0x1194) +#define S5P_TOP_PWR_COREBLK_LOWPWR S5P_PMUREG(0x1198) +#define S5P_OSCCLK_GATE_LOWPWR S5P_PMUREG(0x11A4) +#define S5P_LOGIC_RESET_COREBLK_LOWPWR S5P_PMUREG(0x11B0) +#define S5P_OSCCLK_GATE_COREBLK_LOWPWR S5P_PMUREG(0x11B4) +#define S5P_HSI_MEM_LOWPWR S5P_PMUREG(0x11C4) +#define S5P_ROTATOR_MEM_LOWPWR S5P_PMUREG(0x11DC) +#define S5P_PAD_RETENTION_GPIO_COREBLK_LOWPWR S5P_PMUREG(0x123C) +#define S5P_PAD_ISOLATION_COREBLK_LOWPWR S5P_PMUREG(0x1250) +#define S5P_GPIO_MODE_COREBLK_LOWPWR S5P_PMUREG(0x1320) +#define S5P_TOP_ASB_RESET_LOWPWR S5P_PMUREG(0x1344) +#define S5P_TOP_ASB_ISOLATION_LOWPWR S5P_PMUREG(0x1348) +#define S5P_ISP_LOWPWR S5P_PMUREG(0x1394) +#define S5P_DRAM_FREQ_DOWN_LOWPWR S5P_PMUREG(0x13B0) +#define S5P_DDRPHY_DLLOFF_LOWPWR S5P_PMUREG(0x13B4) +#define S5P_CMU_SYSCLK_ISP_LOWPWR S5P_PMUREG(0x13B8) +#define S5P_CMU_SYSCLK_GPS_LOWPWR S5P_PMUREG(0x13BC) +#define S5P_LPDDR_PHY_DLL_LOCK_LOWPWR S5P_PMUREG(0x13C0) + +#define S5P_ARM_L2_0_OPTION S5P_PMUREG(0x2608) +#define S5P_ARM_L2_1_OPTION S5P_PMUREG(0x2628) +#define S5P_ONENAND_MEM_OPTION S5P_PMUREG(0x2E08) +#define S5P_HSI_MEM_OPTION S5P_PMUREG(0x2E28) +#define S5P_G2D_ACP_MEM_OPTION S5P_PMUREG(0x2E48) +#define S5P_USBOTG_MEM_OPTION S5P_PMUREG(0x2E68) +#define S5P_HSMMC_MEM_OPTION S5P_PMUREG(0x2E88) +#define S5P_CSSYS_MEM_OPTION S5P_PMUREG(0x2EA8) +#define S5P_SECSS_MEM_OPTION S5P_PMUREG(0x2EC8) +#define S5P_ROTATOR_MEM_OPTION S5P_PMUREG(0x2F48) + #endif /* __ASM_ARCH_REGS_PMU_H */ diff --git a/arch/arm/mach-exynos4/mach-nuri.c b/arch/arm/mach-exynos4/mach-nuri.c index 43be71b799cb..bbd13f454151 100644 --- a/arch/arm/mach-exynos4/mach-nuri.c +++ b/arch/arm/mach-exynos4/mach-nuri.c @@ -32,10 +32,12 @@ #include <asm/mach-types.h> #include <plat/adc.h> +#include <plat/regs-fb-v4.h> #include <plat/regs-serial.h> #include <plat/exynos4.h> #include <plat/cpu.h> #include <plat/devs.h> +#include <plat/fb.h> #include <plat/sdhci.h> #include <plat/ehci.h> #include <plat/clock.h> @@ -199,6 +201,33 @@ static struct platform_device nuri_gpio_keys = { }, }; +/* Frame Buffer */ +static struct s3c_fb_pd_win nuri_fb_win0 = { + .win_mode = { + .left_margin = 64, + .right_margin = 16, + .upper_margin = 64, + .lower_margin = 1, + .hsync_len = 48, + .vsync_len = 3, + .xres = 1280, + .yres = 800, + .refresh = 60, + }, + .max_bpp = 24, + .default_bpp = 16, + .virtual_x = 1280, + .virtual_y = 800, +}; + +static struct s3c_fb_platdata nuri_fb_pdata __initdata = { + .win[0] = &nuri_fb_win0, + .vidcon0 = VIDCON0_VIDOUT_RGB | VIDCON0_PNRMODE_RGB | + VIDCON0_CLKSEL_LCD, + .vidcon1 = VIDCON1_INV_HSYNC | VIDCON1_INV_VSYNC, + .setup_gpio = exynos4_fimd0_gpio_setup_24bpp, +}; + static void nuri_lcd_power_on(struct plat_lcd_data *pd, unsigned int power) { int gpio = EXYNOS4_GPE1(5); @@ -1092,6 +1121,7 @@ static struct platform_device *nuri_devices[] __initdata = { /* Samsung Platform Devices */ &s3c_device_i2c5, /* PMIC should initialize first */ &emmc_fixed_voltage, + &s5p_device_fimd0, &s3c_device_hsmmc0, &s3c_device_hsmmc2, &s3c_device_hsmmc3, @@ -1106,6 +1136,7 @@ static struct platform_device *nuri_devices[] __initdata = { &s5p_device_mfc_l, &s5p_device_mfc_r, &exynos4_device_pd[PD_MFC], + &exynos4_device_pd[PD_LCD0], /* NURI Devices */ &nuri_gpio_keys, @@ -1142,12 +1173,15 @@ static void __init nuri_machine_init(void) i2c9_devs[I2C9_MAX17042].irq = gpio_to_irq(EXYNOS4_GPX2(3)); i2c_register_board_info(9, i2c9_devs, ARRAY_SIZE(i2c9_devs)); + s5p_fimd0_set_platdata(&nuri_fb_pdata); + nuri_ehci_init(); clk_xusbxti.rate = 24000000; /* Last */ platform_add_devices(nuri_devices, ARRAY_SIZE(nuri_devices)); s5p_device_mfc.dev.parent = &exynos4_device_pd[PD_MFC].dev; + s5p_device_fimd0.dev.parent = &exynos4_device_pd[PD_LCD0].dev; } MACHINE_START(NURI, "NURI") diff --git a/arch/arm/mach-exynos4/mach-origen.c b/arch/arm/mach-exynos4/mach-origen.c new file mode 100644 index 000000000000..18909cf6c07d --- /dev/null +++ b/arch/arm/mach-exynos4/mach-origen.c @@ -0,0 +1,679 @@ +/* linux/arch/arm/mach-exynos4/mach-origen.c + * + * Copyright (c) 2011 Insignal Co., Ltd. + * http://www.insignal.co.kr/ + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. +*/ + +#include <linux/serial_core.h> +#include <linux/gpio.h> +#include <linux/mmc/host.h> +#include <linux/platform_device.h> +#include <linux/io.h> +#include <linux/input.h> +#include <linux/pwm_backlight.h> +#include <linux/gpio_keys.h> +#include <linux/i2c.h> +#include <linux/regulator/machine.h> +#include <linux/mfd/max8997.h> +#include <linux/lcd.h> + +#include <asm/mach/arch.h> +#include <asm/mach-types.h> + +#include <video/platform_lcd.h> + +#include <plat/regs-serial.h> +#include <plat/regs-fb-v4.h> +#include <plat/exynos4.h> +#include <plat/cpu.h> +#include <plat/devs.h> +#include <plat/sdhci.h> +#include <plat/iic.h> +#include <plat/ehci.h> +#include <plat/clock.h> +#include <plat/gpio-cfg.h> +#include <plat/backlight.h> +#include <plat/pd.h> +#include <plat/fb.h> + +#include <mach/map.h> + +/* Following are default values for UCON, ULCON and UFCON UART registers */ +#define ORIGEN_UCON_DEFAULT (S3C2410_UCON_TXILEVEL | \ + S3C2410_UCON_RXILEVEL | \ + S3C2410_UCON_TXIRQMODE | \ + S3C2410_UCON_RXIRQMODE | \ + S3C2410_UCON_RXFIFO_TOI | \ + S3C2443_UCON_RXERR_IRQEN) + +#define ORIGEN_ULCON_DEFAULT S3C2410_LCON_CS8 + +#define ORIGEN_UFCON_DEFAULT (S3C2410_UFCON_FIFOMODE | \ + S5PV210_UFCON_TXTRIG4 | \ + S5PV210_UFCON_RXTRIG4) + +static struct s3c2410_uartcfg origen_uartcfgs[] __initdata = { + [0] = { + .hwport = 0, + .flags = 0, + .ucon = ORIGEN_UCON_DEFAULT, + .ulcon = ORIGEN_ULCON_DEFAULT, + .ufcon = ORIGEN_UFCON_DEFAULT, + }, + [1] = { + .hwport = 1, + .flags = 0, + .ucon = ORIGEN_UCON_DEFAULT, + .ulcon = ORIGEN_ULCON_DEFAULT, + .ufcon = ORIGEN_UFCON_DEFAULT, + }, + [2] = { + .hwport = 2, + .flags = 0, + .ucon = ORIGEN_UCON_DEFAULT, + .ulcon = ORIGEN_ULCON_DEFAULT, + .ufcon = ORIGEN_UFCON_DEFAULT, + }, + [3] = { + .hwport = 3, + .flags = 0, + .ucon = ORIGEN_UCON_DEFAULT, + .ulcon = ORIGEN_ULCON_DEFAULT, + .ufcon = ORIGEN_UFCON_DEFAULT, + }, +}; + +static struct regulator_consumer_supply __initdata ldo3_consumer[] = { + REGULATOR_SUPPLY("vdd11", "s5p-mipi-csis.0"), /* MIPI */ +}; +static struct regulator_consumer_supply __initdata ldo6_consumer[] = { + REGULATOR_SUPPLY("vdd18", "s5p-mipi-csis.0"), /* MIPI */ +}; +static struct regulator_consumer_supply __initdata ldo7_consumer[] = { + REGULATOR_SUPPLY("avdd", "alc5625"), /* Realtek ALC5625 */ +}; +static struct regulator_consumer_supply __initdata ldo8_consumer[] = { + REGULATOR_SUPPLY("vdd", "s5p-adc"), /* ADC */ +}; +static struct regulator_consumer_supply __initdata ldo9_consumer[] = { + REGULATOR_SUPPLY("dvdd", "swb-a31"), /* AR6003 WLAN & CSR 8810 BT */ +}; +static struct regulator_consumer_supply __initdata ldo11_consumer[] = { + REGULATOR_SUPPLY("dvdd", "alc5625"), /* Realtek ALC5625 */ +}; +static struct regulator_consumer_supply __initdata ldo14_consumer[] = { + REGULATOR_SUPPLY("avdd18", "swb-a31"), /* AR6003 WLAN & CSR 8810 BT */ +}; +static struct regulator_consumer_supply __initdata ldo17_consumer[] = { + REGULATOR_SUPPLY("vdd33", "swb-a31"), /* AR6003 WLAN & CSR 8810 BT */ +}; +static struct regulator_consumer_supply __initdata buck1_consumer[] = { + REGULATOR_SUPPLY("vdd_arm", NULL), /* CPUFREQ */ +}; +static struct regulator_consumer_supply __initdata buck2_consumer[] = { + REGULATOR_SUPPLY("vdd_int", NULL), /* CPUFREQ */ +}; +static struct regulator_consumer_supply __initdata buck3_consumer[] = { + REGULATOR_SUPPLY("vdd_g3d", "mali_drm"), /* G3D */ +}; +static struct regulator_consumer_supply __initdata buck7_consumer[] = { + REGULATOR_SUPPLY("vcc", "platform-lcd"), /* LCD */ +}; + +static struct regulator_init_data __initdata max8997_ldo1_data = { + .constraints = { + .name = "VDD_ABB_3.3V", + .min_uV = 3300000, + .max_uV = 3300000, + .apply_uV = 1, + .state_mem = { + .disabled = 1, + }, + }, +}; + +static struct regulator_init_data __initdata max8997_ldo2_data = { + .constraints = { + .name = "VDD_ALIVE_1.1V", + .min_uV = 1100000, + .max_uV = 1100000, + .apply_uV = 1, + .always_on = 1, + .state_mem = { + .enabled = 1, + }, + }, +}; + +static struct regulator_init_data __initdata max8997_ldo3_data = { + .constraints = { + .name = "VMIPI_1.1V", + .min_uV = 1100000, + .max_uV = 1100000, + .apply_uV = 1, + .valid_ops_mask = REGULATOR_CHANGE_STATUS, + .state_mem = { + .disabled = 1, + }, + }, + .num_consumer_supplies = ARRAY_SIZE(ldo3_consumer), + .consumer_supplies = ldo3_consumer, +}; + +static struct regulator_init_data __initdata max8997_ldo4_data = { + .constraints = { + .name = "VDD_RTC_1.8V", + .min_uV = 1800000, + .max_uV = 1800000, + .apply_uV = 1, + .always_on = 1, + .state_mem = { + .disabled = 1, + }, + }, +}; + +static struct regulator_init_data __initdata max8997_ldo6_data = { + .constraints = { + .name = "VMIPI_1.8V", + .min_uV = 1800000, + .max_uV = 1800000, + .apply_uV = 1, + .valid_ops_mask = REGULATOR_CHANGE_STATUS, + .state_mem = { + .disabled = 1, + }, + }, + .num_consumer_supplies = ARRAY_SIZE(ldo6_consumer), + .consumer_supplies = ldo6_consumer, +}; + +static struct regulator_init_data __initdata max8997_ldo7_data = { + .constraints = { + .name = "VDD_AUD_1.8V", + .min_uV = 1800000, + .max_uV = 1800000, + .apply_uV = 1, + .valid_ops_mask = REGULATOR_CHANGE_STATUS, + .state_mem = { + .disabled = 1, + }, + }, + .num_consumer_supplies = ARRAY_SIZE(ldo7_consumer), + .consumer_supplies = ldo7_consumer, +}; + +static struct regulator_init_data __initdata max8997_ldo8_data = { + .constraints = { + .name = "VADC_3.3V", + .min_uV = 3300000, + .max_uV = 3300000, + .apply_uV = 1, + .valid_ops_mask = REGULATOR_CHANGE_STATUS, + .state_mem = { + .disabled = 1, + }, + }, + .num_consumer_supplies = ARRAY_SIZE(ldo8_consumer), + .consumer_supplies = ldo8_consumer, +}; + +static struct regulator_init_data __initdata max8997_ldo9_data = { + .constraints = { + .name = "DVDD_SWB_2.8V", + .min_uV = 2800000, + .max_uV = 2800000, + .apply_uV = 1, + .valid_ops_mask = REGULATOR_CHANGE_STATUS, + .state_mem = { + .disabled = 1, + }, + }, + .num_consumer_supplies = ARRAY_SIZE(ldo9_consumer), + .consumer_supplies = ldo9_consumer, +}; + +static struct regulator_init_data __initdata max8997_ldo10_data = { + .constraints = { + .name = "VDD_PLL_1.1V", + .min_uV = 1100000, + .max_uV = 1100000, + .apply_uV = 1, + .always_on = 1, + .state_mem = { + .disabled = 1, + }, + }, +}; + +static struct regulator_init_data __initdata max8997_ldo11_data = { + .constraints = { + .name = "VDD_AUD_3V", + .min_uV = 3000000, + .max_uV = 3000000, + .apply_uV = 1, + .valid_ops_mask = REGULATOR_CHANGE_STATUS, + .state_mem = { + .disabled = 1, + }, + }, + .num_consumer_supplies = ARRAY_SIZE(ldo11_consumer), + .consumer_supplies = ldo11_consumer, +}; + +static struct regulator_init_data __initdata max8997_ldo14_data = { + .constraints = { + .name = "AVDD18_SWB_1.8V", + .min_uV = 1800000, + .max_uV = 1800000, + .apply_uV = 1, + .valid_ops_mask = REGULATOR_CHANGE_STATUS, + .state_mem = { + .disabled = 1, + }, + }, + .num_consumer_supplies = ARRAY_SIZE(ldo14_consumer), + .consumer_supplies = ldo14_consumer, +}; + +static struct regulator_init_data __initdata max8997_ldo17_data = { + .constraints = { + .name = "VDD_SWB_3.3V", + .min_uV = 3300000, + .max_uV = 3300000, + .apply_uV = 1, + .valid_ops_mask = REGULATOR_CHANGE_STATUS, + .state_mem = { + .disabled = 1, + }, + }, + .num_consumer_supplies = ARRAY_SIZE(ldo17_consumer), + .consumer_supplies = ldo17_consumer, +}; + +static struct regulator_init_data __initdata max8997_ldo21_data = { + .constraints = { + .name = "VDD_MIF_1.2V", + .min_uV = 1200000, + .max_uV = 1200000, + .apply_uV = 1, + .always_on = 1, + .state_mem = { + .disabled = 1, + }, + }, +}; + +static struct regulator_init_data __initdata max8997_buck1_data = { + .constraints = { + .name = "VDD_ARM_1.2V", + .min_uV = 950000, + .max_uV = 1350000, + .always_on = 1, + .boot_on = 1, + .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE, + .state_mem = { + .disabled = 1, + }, + }, + .num_consumer_supplies = ARRAY_SIZE(buck1_consumer), + .consumer_supplies = buck1_consumer, +}; + +static struct regulator_init_data __initdata max8997_buck2_data = { + .constraints = { + .name = "VDD_INT_1.1V", + .min_uV = 900000, + .max_uV = 1100000, + .always_on = 1, + .boot_on = 1, + .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE, + .state_mem = { + .disabled = 1, + }, + }, + .num_consumer_supplies = ARRAY_SIZE(buck2_consumer), + .consumer_supplies = buck2_consumer, +}; + +static struct regulator_init_data __initdata max8997_buck3_data = { + .constraints = { + .name = "VDD_G3D_1.1V", + .min_uV = 900000, + .max_uV = 1100000, + .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE | + REGULATOR_CHANGE_STATUS, + .state_mem = { + .disabled = 1, + }, + }, + .num_consumer_supplies = ARRAY_SIZE(buck3_consumer), + .consumer_supplies = buck3_consumer, +}; + +static struct regulator_init_data __initdata max8997_buck5_data = { + .constraints = { + .name = "VDDQ_M1M2_1.2V", + .min_uV = 1200000, + .max_uV = 1200000, + .apply_uV = 1, + .always_on = 1, + .state_mem = { + .disabled = 1, + }, + }, +}; + +static struct regulator_init_data __initdata max8997_buck7_data = { + .constraints = { + .name = "VDD_LCD_3.3V", + .min_uV = 3300000, + .max_uV = 3300000, + .boot_on = 1, + .apply_uV = 1, + .valid_ops_mask = REGULATOR_CHANGE_STATUS, + .state_mem = { + .disabled = 1 + }, + }, + .num_consumer_supplies = ARRAY_SIZE(buck7_consumer), + .consumer_supplies = buck7_consumer, +}; + +static struct max8997_regulator_data __initdata origen_max8997_regulators[] = { + { MAX8997_LDO1, &max8997_ldo1_data }, + { MAX8997_LDO2, &max8997_ldo2_data }, + { MAX8997_LDO3, &max8997_ldo3_data }, + { MAX8997_LDO4, &max8997_ldo4_data }, + { MAX8997_LDO6, &max8997_ldo6_data }, + { MAX8997_LDO7, &max8997_ldo7_data }, + { MAX8997_LDO8, &max8997_ldo8_data }, + { MAX8997_LDO9, &max8997_ldo9_data }, + { MAX8997_LDO10, &max8997_ldo10_data }, + { MAX8997_LDO11, &max8997_ldo11_data }, + { MAX8997_LDO14, &max8997_ldo14_data }, + { MAX8997_LDO17, &max8997_ldo17_data }, + { MAX8997_LDO21, &max8997_ldo21_data }, + { MAX8997_BUCK1, &max8997_buck1_data }, + { MAX8997_BUCK2, &max8997_buck2_data }, + { MAX8997_BUCK3, &max8997_buck3_data }, + { MAX8997_BUCK5, &max8997_buck5_data }, + { MAX8997_BUCK7, &max8997_buck7_data }, +}; + +struct max8997_platform_data __initdata origen_max8997_pdata = { + .num_regulators = ARRAY_SIZE(origen_max8997_regulators), + .regulators = origen_max8997_regulators, + + .wakeup = true, + .buck1_gpiodvs = false, + .buck2_gpiodvs = false, + .buck5_gpiodvs = false, + .irq_base = IRQ_GPIO_END + 1, + + .ignore_gpiodvs_side_effect = true, + .buck125_default_idx = 0x0, + + .buck125_gpios[0] = EXYNOS4_GPX0(0), + .buck125_gpios[1] = EXYNOS4_GPX0(1), + .buck125_gpios[2] = EXYNOS4_GPX0(2), + + .buck1_voltage[0] = 1350000, + .buck1_voltage[1] = 1300000, + .buck1_voltage[2] = 1250000, + .buck1_voltage[3] = 1200000, + .buck1_voltage[4] = 1150000, + .buck1_voltage[5] = 1100000, + .buck1_voltage[6] = 1000000, + .buck1_voltage[7] = 950000, + + .buck2_voltage[0] = 1100000, + .buck2_voltage[1] = 1100000, + .buck2_voltage[2] = 1100000, + .buck2_voltage[3] = 1100000, + .buck2_voltage[4] = 1000000, + .buck2_voltage[5] = 1000000, + .buck2_voltage[6] = 1000000, + .buck2_voltage[7] = 1000000, + + .buck5_voltage[0] = 1200000, + .buck5_voltage[1] = 1200000, + .buck5_voltage[2] = 1200000, + .buck5_voltage[3] = 1200000, + .buck5_voltage[4] = 1200000, + .buck5_voltage[5] = 1200000, + .buck5_voltage[6] = 1200000, + .buck5_voltage[7] = 1200000, +}; + +/* I2C0 */ +static struct i2c_board_info i2c0_devs[] __initdata = { + { + I2C_BOARD_INFO("max8997", (0xCC >> 1)), + .platform_data = &origen_max8997_pdata, + .irq = IRQ_EINT(4), + }, +}; + +static struct s3c_sdhci_platdata origen_hsmmc0_pdata __initdata = { + .cd_type = S3C_SDHCI_CD_INTERNAL, + .clk_type = S3C_SDHCI_CLK_DIV_EXTERNAL, +}; + +static struct s3c_sdhci_platdata origen_hsmmc2_pdata __initdata = { + .cd_type = S3C_SDHCI_CD_INTERNAL, + .clk_type = S3C_SDHCI_CLK_DIV_EXTERNAL, +}; + +/* USB EHCI */ +static struct s5p_ehci_platdata origen_ehci_pdata; + +static void __init origen_ehci_init(void) +{ + struct s5p_ehci_platdata *pdata = &origen_ehci_pdata; + + s5p_ehci_set_platdata(pdata); +} + +static struct gpio_keys_button origen_gpio_keys_table[] = { + { + .code = KEY_MENU, + .gpio = EXYNOS4_GPX1(5), + .desc = "gpio-keys: KEY_MENU", + .type = EV_KEY, + .active_low = 1, + .wakeup = 1, + .debounce_interval = 1, + }, { + .code = KEY_HOME, + .gpio = EXYNOS4_GPX1(6), + .desc = "gpio-keys: KEY_HOME", + .type = EV_KEY, + .active_low = 1, + .wakeup = 1, + .debounce_interval = 1, + }, { + .code = KEY_BACK, + .gpio = EXYNOS4_GPX1(7), + .desc = "gpio-keys: KEY_BACK", + .type = EV_KEY, + .active_low = 1, + .wakeup = 1, + .debounce_interval = 1, + }, { + .code = KEY_UP, + .gpio = EXYNOS4_GPX2(0), + .desc = "gpio-keys: KEY_UP", + .type = EV_KEY, + .active_low = 1, + .wakeup = 1, + .debounce_interval = 1, + }, { + .code = KEY_DOWN, + .gpio = EXYNOS4_GPX2(1), + .desc = "gpio-keys: KEY_DOWN", + .type = EV_KEY, + .active_low = 1, + .wakeup = 1, + .debounce_interval = 1, + }, +}; + +static struct gpio_keys_platform_data origen_gpio_keys_data = { + .buttons = origen_gpio_keys_table, + .nbuttons = ARRAY_SIZE(origen_gpio_keys_table), +}; + +static struct platform_device origen_device_gpiokeys = { + .name = "gpio-keys", + .dev = { + .platform_data = &origen_gpio_keys_data, + }, +}; + +static void lcd_hv070wsa_set_power(struct plat_lcd_data *pd, unsigned int power) +{ + int ret; + + if (power) + ret = gpio_request_one(EXYNOS4_GPE3(4), + GPIOF_OUT_INIT_HIGH, "GPE3_4"); + else + ret = gpio_request_one(EXYNOS4_GPE3(4), + GPIOF_OUT_INIT_LOW, "GPE3_4"); + + gpio_free(EXYNOS4_GPE3(4)); + + if (ret) + pr_err("failed to request gpio for LCD power: %d\n", ret); +} + +static struct plat_lcd_data origen_lcd_hv070wsa_data = { + .set_power = lcd_hv070wsa_set_power, +}; + +static struct platform_device origen_lcd_hv070wsa = { + .name = "platform-lcd", + .dev.parent = &s5p_device_fimd0.dev, + .dev.platform_data = &origen_lcd_hv070wsa_data, +}; + +static struct s3c_fb_pd_win origen_fb_win0 = { + .win_mode = { + .left_margin = 64, + .right_margin = 16, + .upper_margin = 64, + .lower_margin = 16, + .hsync_len = 48, + .vsync_len = 3, + .xres = 1024, + .yres = 600, + }, + .max_bpp = 32, + .default_bpp = 24, +}; + +static struct s3c_fb_platdata origen_lcd_pdata __initdata = { + .win[0] = &origen_fb_win0, + .vidcon0 = VIDCON0_VIDOUT_RGB | VIDCON0_PNRMODE_RGB, + .vidcon1 = VIDCON1_INV_HSYNC | VIDCON1_INV_VSYNC, + .setup_gpio = exynos4_fimd0_gpio_setup_24bpp, +}; + +static struct platform_device *origen_devices[] __initdata = { + &s3c_device_hsmmc2, + &s3c_device_hsmmc0, + &s3c_device_i2c0, + &s3c_device_rtc, + &s3c_device_wdt, + &s5p_device_ehci, + &s5p_device_fimc0, + &s5p_device_fimc1, + &s5p_device_fimc2, + &s5p_device_fimc3, + &s5p_device_fimd0, + &s5p_device_hdmi, + &s5p_device_i2c_hdmiphy, + &s5p_device_mixer, + &exynos4_device_pd[PD_LCD0], + &exynos4_device_pd[PD_TV], + &origen_device_gpiokeys, + &origen_lcd_hv070wsa, +}; + +/* LCD Backlight data */ +static struct samsung_bl_gpio_info origen_bl_gpio_info = { + .no = EXYNOS4_GPD0(0), + .func = S3C_GPIO_SFN(2), +}; + +static struct platform_pwm_backlight_data origen_bl_data = { + .pwm_id = 0, + .pwm_period_ns = 1000, +}; + +static void s5p_tv_setup(void) +{ + /* Direct HPD to HDMI chip */ + gpio_request_one(EXYNOS4_GPX3(7), GPIOF_IN, "hpd-plug"); + s3c_gpio_cfgpin(EXYNOS4_GPX3(7), S3C_GPIO_SFN(0x3)); + s3c_gpio_setpull(EXYNOS4_GPX3(7), S3C_GPIO_PULL_NONE); +} + +static void __init origen_map_io(void) +{ + s5p_init_io(NULL, 0, S5P_VA_CHIPID); + s3c24xx_init_clocks(24000000); + s3c24xx_init_uarts(origen_uartcfgs, ARRAY_SIZE(origen_uartcfgs)); +} + +static void __init origen_power_init(void) +{ + gpio_request(EXYNOS4_GPX0(4), "PMIC_IRQ"); + s3c_gpio_cfgpin(EXYNOS4_GPX0(4), S3C_GPIO_SFN(0xf)); + s3c_gpio_setpull(EXYNOS4_GPX0(4), S3C_GPIO_PULL_NONE); +} + +static void __init origen_machine_init(void) +{ + origen_power_init(); + + s3c_i2c0_set_platdata(NULL); + i2c_register_board_info(0, i2c0_devs, ARRAY_SIZE(i2c0_devs)); + + /* + * Since sdhci instance 2 can contain a bootable media, + * sdhci instance 0 is registered after instance 2. + */ + s3c_sdhci2_set_platdata(&origen_hsmmc2_pdata); + s3c_sdhci0_set_platdata(&origen_hsmmc0_pdata); + + origen_ehci_init(); + clk_xusbxti.rate = 24000000; + + s5p_tv_setup(); + s5p_i2c_hdmiphy_set_platdata(NULL); + + s5p_fimd0_set_platdata(&origen_lcd_pdata); + + platform_add_devices(origen_devices, ARRAY_SIZE(origen_devices)); + s5p_device_fimd0.dev.parent = &exynos4_device_pd[PD_LCD0].dev; + + s5p_device_hdmi.dev.parent = &exynos4_device_pd[PD_TV].dev; + s5p_device_mixer.dev.parent = &exynos4_device_pd[PD_TV].dev; + + samsung_bl_set(&origen_bl_gpio_info, &origen_bl_data); +} + +MACHINE_START(ORIGEN, "ORIGEN") + /* Maintainer: JeongHyeon Kim <jhkim@insignal.co.kr> */ + .boot_params = S5P_PA_SDRAM + 0x100, + .init_irq = exynos4_init_irq, + .map_io = origen_map_io, + .init_machine = origen_machine_init, + .timer = &exynos4_timer, +MACHINE_END diff --git a/arch/arm/mach-exynos4/mach-smdk4212.c b/arch/arm/mach-exynos4/mach-smdk4212.c new file mode 100644 index 000000000000..3479a933a6de --- /dev/null +++ b/arch/arm/mach-exynos4/mach-smdk4212.c @@ -0,0 +1,292 @@ +/* + * linux/arch/arm/mach-exynos4/mach-smdk4212.c + * + * Copyright (c) 2011 Samsung Electronics Co., Ltd. + * http://www.samsung.com + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. +*/ + +#include <linux/gpio.h> +#include <linux/i2c.h> +#include <linux/input.h> +#include <linux/io.h> +#include <linux/mfd/max8997.h> +#include <linux/mmc/host.h> +#include <linux/platform_device.h> +#include <linux/pwm_backlight.h> +#include <linux/regulator/machine.h> +#include <linux/serial_core.h> + +#include <asm/mach/arch.h> +#include <asm/mach-types.h> + +#include <plat/backlight.h> +#include <plat/clock.h> +#include <plat/cpu.h> +#include <plat/devs.h> +#include <plat/exynos4.h> +#include <plat/gpio-cfg.h> +#include <plat/iic.h> +#include <plat/keypad.h> +#include <plat/regs-serial.h> +#include <plat/sdhci.h> + +#include <mach/map.h> + +/* Following are default values for UCON, ULCON and UFCON UART registers */ +#define SMDK4212_UCON_DEFAULT (S3C2410_UCON_TXILEVEL | \ + S3C2410_UCON_RXILEVEL | \ + S3C2410_UCON_TXIRQMODE | \ + S3C2410_UCON_RXIRQMODE | \ + S3C2410_UCON_RXFIFO_TOI | \ + S3C2443_UCON_RXERR_IRQEN) + +#define SMDK4212_ULCON_DEFAULT S3C2410_LCON_CS8 + +#define SMDK4212_UFCON_DEFAULT (S3C2410_UFCON_FIFOMODE | \ + S5PV210_UFCON_TXTRIG4 | \ + S5PV210_UFCON_RXTRIG4) + +static struct s3c2410_uartcfg smdk4212_uartcfgs[] __initdata = { + [0] = { + .hwport = 0, + .flags = 0, + .ucon = SMDK4212_UCON_DEFAULT, + .ulcon = SMDK4212_ULCON_DEFAULT, + .ufcon = SMDK4212_UFCON_DEFAULT, + }, + [1] = { + .hwport = 1, + .flags = 0, + .ucon = SMDK4212_UCON_DEFAULT, + .ulcon = SMDK4212_ULCON_DEFAULT, + .ufcon = SMDK4212_UFCON_DEFAULT, + }, + [2] = { + .hwport = 2, + .flags = 0, + .ucon = SMDK4212_UCON_DEFAULT, + .ulcon = SMDK4212_ULCON_DEFAULT, + .ufcon = SMDK4212_UFCON_DEFAULT, + }, + [3] = { + .hwport = 3, + .flags = 0, + .ucon = SMDK4212_UCON_DEFAULT, + .ulcon = SMDK4212_ULCON_DEFAULT, + .ufcon = SMDK4212_UFCON_DEFAULT, + }, +}; + +static struct s3c_sdhci_platdata smdk4212_hsmmc2_pdata __initdata = { + .cd_type = S3C_SDHCI_CD_INTERNAL, + .clk_type = S3C_SDHCI_CLK_DIV_EXTERNAL, +#ifdef CONFIG_EXYNOS4_SDHCI_CH2_8BIT + .max_width = 8, + .host_caps = MMC_CAP_8_BIT_DATA, +#endif +}; + +static struct s3c_sdhci_platdata smdk4212_hsmmc3_pdata __initdata = { + .cd_type = S3C_SDHCI_CD_INTERNAL, + .clk_type = S3C_SDHCI_CLK_DIV_EXTERNAL, +}; + +static struct regulator_consumer_supply max8997_buck1 = + REGULATOR_SUPPLY("vdd_arm", NULL); + +static struct regulator_consumer_supply max8997_buck2 = + REGULATOR_SUPPLY("vdd_int", NULL); + +static struct regulator_consumer_supply max8997_buck3 = + REGULATOR_SUPPLY("vdd_g3d", NULL); + +static struct regulator_init_data max8997_buck1_data = { + .constraints = { + .name = "VDD_ARM_SMDK4212", + .min_uV = 925000, + .max_uV = 1350000, + .always_on = 1, + .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE, + .state_mem = { + .disabled = 1, + }, + }, + .num_consumer_supplies = 1, + .consumer_supplies = &max8997_buck1, +}; + +static struct regulator_init_data max8997_buck2_data = { + .constraints = { + .name = "VDD_INT_SMDK4212", + .min_uV = 950000, + .max_uV = 1150000, + .always_on = 1, + .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE, + .state_mem = { + .disabled = 1, + }, + }, + .num_consumer_supplies = 1, + .consumer_supplies = &max8997_buck2, +}; + +static struct regulator_init_data max8997_buck3_data = { + .constraints = { + .name = "VDD_G3D_SMDK4212", + .min_uV = 950000, + .max_uV = 1150000, + .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE | + REGULATOR_CHANGE_STATUS, + .state_mem = { + .disabled = 1, + }, + }, + .num_consumer_supplies = 1, + .consumer_supplies = &max8997_buck3, +}; + +static struct max8997_regulator_data smdk4212_max8997_regulators[] = { + { MAX8997_BUCK1, &max8997_buck1_data }, + { MAX8997_BUCK2, &max8997_buck2_data }, + { MAX8997_BUCK3, &max8997_buck3_data }, +}; + +static struct max8997_platform_data smdk4212_max8997_pdata = { + .num_regulators = ARRAY_SIZE(smdk4212_max8997_regulators), + .regulators = smdk4212_max8997_regulators, + + .buck1_voltage[0] = 1100000, /* 1.1V */ + .buck1_voltage[1] = 1100000, /* 1.1V */ + .buck1_voltage[2] = 1100000, /* 1.1V */ + .buck1_voltage[3] = 1100000, /* 1.1V */ + .buck1_voltage[4] = 1100000, /* 1.1V */ + .buck1_voltage[5] = 1100000, /* 1.1V */ + .buck1_voltage[6] = 1000000, /* 1.0V */ + .buck1_voltage[7] = 950000, /* 0.95V */ + + .buck2_voltage[0] = 1100000, /* 1.1V */ + .buck2_voltage[1] = 1000000, /* 1.0V */ + .buck2_voltage[2] = 950000, /* 0.95V */ + .buck2_voltage[3] = 900000, /* 0.9V */ + .buck2_voltage[4] = 1100000, /* 1.1V */ + .buck2_voltage[5] = 1000000, /* 1.0V */ + .buck2_voltage[6] = 950000, /* 0.95V */ + .buck2_voltage[7] = 900000, /* 0.9V */ + + .buck5_voltage[0] = 1100000, /* 1.1V */ + .buck5_voltage[1] = 1100000, /* 1.1V */ + .buck5_voltage[2] = 1100000, /* 1.1V */ + .buck5_voltage[3] = 1100000, /* 1.1V */ + .buck5_voltage[4] = 1100000, /* 1.1V */ + .buck5_voltage[5] = 1100000, /* 1.1V */ + .buck5_voltage[6] = 1100000, /* 1.1V */ + .buck5_voltage[7] = 1100000, /* 1.1V */ +}; + +static struct i2c_board_info smdk4212_i2c_devs0[] __initdata = { + { + I2C_BOARD_INFO("max8997", 0x66), + .platform_data = &smdk4212_max8997_pdata, + } +}; + +static struct i2c_board_info smdk4212_i2c_devs1[] __initdata = { + { I2C_BOARD_INFO("wm8994", 0x1a), } +}; + +static struct i2c_board_info smdk4212_i2c_devs3[] __initdata = { + /* nothing here yet */ +}; + +static struct i2c_board_info smdk4212_i2c_devs7[] __initdata = { + /* nothing here yet */ +}; + +static struct samsung_bl_gpio_info smdk4212_bl_gpio_info = { + .no = EXYNOS4_GPD0(1), + .func = S3C_GPIO_SFN(2), +}; + +static struct platform_pwm_backlight_data smdk4212_bl_data = { + .pwm_id = 1, + .pwm_period_ns = 1000, +}; + +static uint32_t smdk4212_keymap[] __initdata = { + /* KEY(row, col, keycode) */ + KEY(1, 0, KEY_D), KEY(1, 1, KEY_A), KEY(1, 2, KEY_B), + KEY(1, 3, KEY_E), KEY(1, 4, KEY_C) +}; + +static struct matrix_keymap_data smdk4212_keymap_data __initdata = { + .keymap = smdk4212_keymap, + .keymap_size = ARRAY_SIZE(smdk4212_keymap), +}; + +static struct samsung_keypad_platdata smdk4212_keypad_data __initdata = { + .keymap_data = &smdk4212_keymap_data, + .rows = 2, + .cols = 5, +}; + +static struct platform_device *smdk4212_devices[] __initdata = { + &s3c_device_hsmmc2, + &s3c_device_hsmmc3, + &s3c_device_i2c0, + &s3c_device_i2c1, + &s3c_device_i2c3, + &s3c_device_i2c7, + &s3c_device_rtc, + &s3c_device_wdt, + &samsung_device_keypad, +}; + +static void __init smdk4212_map_io(void) +{ + clk_xusbxti.rate = 24000000; + + s5p_init_io(NULL, 0, S5P_VA_CHIPID); + s3c24xx_init_clocks(clk_xusbxti.rate); + s3c24xx_init_uarts(smdk4212_uartcfgs, ARRAY_SIZE(smdk4212_uartcfgs)); +} + +static void __init smdk4212_machine_init(void) +{ + s3c_i2c0_set_platdata(NULL); + i2c_register_board_info(0, smdk4212_i2c_devs0, + ARRAY_SIZE(smdk4212_i2c_devs0)); + + s3c_i2c1_set_platdata(NULL); + i2c_register_board_info(1, smdk4212_i2c_devs1, + ARRAY_SIZE(smdk4212_i2c_devs1)); + + s3c_i2c3_set_platdata(NULL); + i2c_register_board_info(3, smdk4212_i2c_devs3, + ARRAY_SIZE(smdk4212_i2c_devs3)); + + s3c_i2c7_set_platdata(NULL); + i2c_register_board_info(7, smdk4212_i2c_devs7, + ARRAY_SIZE(smdk4212_i2c_devs7)); + + samsung_bl_set(&smdk4212_bl_gpio_info, &smdk4212_bl_data); + + samsung_keypad_set_platdata(&smdk4212_keypad_data); + + s3c_sdhci2_set_platdata(&smdk4212_hsmmc2_pdata); + s3c_sdhci3_set_platdata(&smdk4212_hsmmc3_pdata); + + platform_add_devices(smdk4212_devices, ARRAY_SIZE(smdk4212_devices)); +} + +MACHINE_START(SMDK4212, "SMDK4212") + /* Maintainer: Kukjin Kim <kgene.kim@samsung.com> */ + .boot_params = S5P_PA_SDRAM + 0x100, + .init_irq = exynos4_init_irq, + .map_io = smdk4212_map_io, + .init_machine = smdk4212_machine_init, + .timer = &exynos4_timer, +MACHINE_END diff --git a/arch/arm/mach-exynos4/mach-smdkv310.c b/arch/arm/mach-exynos4/mach-smdkv310.c index a16eb569a3e6..35a763e9a659 100644 --- a/arch/arm/mach-exynos4/mach-smdkv310.c +++ b/arch/arm/mach-exynos4/mach-smdkv310.c @@ -37,6 +37,9 @@ #include <plat/pd.h> #include <plat/gpio-cfg.h> #include <plat/backlight.h> +#include <plat/mfc.h> +#include <plat/ehci.h> +#include <plat/clock.h> #include <mach/map.h> @@ -232,17 +235,36 @@ static struct i2c_board_info i2c_devs1[] __initdata = { {I2C_BOARD_INFO("wm8994", 0x1a),}, }; +/* USB EHCI */ +static struct s5p_ehci_platdata smdkv310_ehci_pdata; + +static void __init smdkv310_ehci_init(void) +{ + struct s5p_ehci_platdata *pdata = &smdkv310_ehci_pdata; + + s5p_ehci_set_platdata(pdata); +} + static struct platform_device *smdkv310_devices[] __initdata = { &s3c_device_hsmmc0, &s3c_device_hsmmc1, &s3c_device_hsmmc2, &s3c_device_hsmmc3, &s3c_device_i2c1, + &s5p_device_i2c_hdmiphy, &s3c_device_rtc, &s3c_device_wdt, + &s5p_device_ehci, + &s5p_device_fimc0, + &s5p_device_fimc1, + &s5p_device_fimc2, + &s5p_device_fimc3, &exynos4_device_ac97, &exynos4_device_i2s0, &samsung_device_keypad, + &s5p_device_mfc, + &s5p_device_mfc_l, + &s5p_device_mfc_r, &exynos4_device_pd[PD_MFC], &exynos4_device_pd[PD_G3D], &exynos4_device_pd[PD_LCD0], @@ -258,6 +280,8 @@ static struct platform_device *smdkv310_devices[] __initdata = { &smdkv310_lcd_lte480wv, &smdkv310_smsc911x, &exynos4_device_ahci, + &s5p_device_hdmi, + &s5p_device_mixer, }; static void __init smdkv310_smsc911x_init(void) @@ -294,6 +318,18 @@ static struct platform_pwm_backlight_data smdkv310_bl_data = { .pwm_period_ns = 1000, }; +static void s5p_tv_setup(void) +{ + /* direct HPD to HDMI chip */ + WARN_ON(gpio_request_one(EXYNOS4_GPX3(7), GPIOF_IN, "hpd-plug")); + s3c_gpio_cfgpin(EXYNOS4_GPX3(7), S3C_GPIO_SFN(0x3)); + s3c_gpio_setpull(EXYNOS4_GPX3(7), S3C_GPIO_PULL_NONE); + + /* setup dependencies between TV devices */ + s5p_device_hdmi.dev.parent = &exynos4_device_pd[PD_TV].dev; + s5p_device_mixer.dev.parent = &exynos4_device_pd[PD_TV].dev; +} + static void __init smdkv310_map_io(void) { s5p_init_io(NULL, 0, S5P_VA_CHIPID); @@ -301,6 +337,11 @@ static void __init smdkv310_map_io(void) s3c24xx_init_uarts(smdkv310_uartcfgs, ARRAY_SIZE(smdkv310_uartcfgs)); } +static void __init smdkv310_reserve(void) +{ + s5p_mfc_reserve_mem(0x43000000, 8 << 20, 0x51000000, 8 << 20); +} + static void __init smdkv310_machine_init(void) { s3c_i2c1_set_platdata(NULL); @@ -313,12 +354,19 @@ static void __init smdkv310_machine_init(void) s3c_sdhci2_set_platdata(&smdkv310_hsmmc2_pdata); s3c_sdhci3_set_platdata(&smdkv310_hsmmc3_pdata); + s5p_tv_setup(); + s5p_i2c_hdmiphy_set_platdata(NULL); + samsung_keypad_set_platdata(&smdkv310_keypad_data); samsung_bl_set(&smdkv310_bl_gpio_info, &smdkv310_bl_data); s5p_fimd0_set_platdata(&smdkv310_lcd0_pdata); + smdkv310_ehci_init(); + clk_xusbxti.rate = 24000000; + platform_add_devices(smdkv310_devices, ARRAY_SIZE(smdkv310_devices)); + s5p_device_mfc.dev.parent = &exynos4_device_pd[PD_MFC].dev; } MACHINE_START(SMDKV310, "SMDKV310") @@ -329,6 +377,7 @@ MACHINE_START(SMDKV310, "SMDKV310") .map_io = smdkv310_map_io, .init_machine = smdkv310_machine_init, .timer = &exynos4_timer, + .reserve = &smdkv310_reserve, MACHINE_END MACHINE_START(SMDKC210, "SMDKC210") diff --git a/arch/arm/mach-exynos4/mach-universal_c210.c b/arch/arm/mach-exynos4/mach-universal_c210.c index b3b5d8911004..18cf5c7cf56d 100644 --- a/arch/arm/mach-exynos4/mach-universal_c210.c +++ b/arch/arm/mach-exynos4/mach-universal_c210.c @@ -13,6 +13,7 @@ #include <linux/i2c.h> #include <linux/gpio_keys.h> #include <linux/gpio.h> +#include <linux/fb.h> #include <linux/mfd/max8998.h> #include <linux/regulator/machine.h> #include <linux/regulator/fixed.h> @@ -31,12 +32,21 @@ #include <plat/devs.h> #include <plat/iic.h> #include <plat/gpio-cfg.h> +#include <plat/fb.h> #include <plat/mfc.h> #include <plat/sdhci.h> #include <plat/pd.h> +#include <plat/regs-fb-v4.h> +#include <plat/fimc-core.h> +#include <plat/camport.h> +#include <plat/mipi_csis.h> #include <mach/map.h> +#include <media/v4l2-mediabus.h> +#include <media/s5p_fimc.h> +#include <media/m5mols.h> + /* Following are default values for UCON, ULCON and UFCON UART registers */ #define UNIVERSAL_UCON_DEFAULT (S3C2410_UCON_TXILEVEL | \ S3C2410_UCON_RXILEVEL | \ @@ -110,6 +120,9 @@ static struct regulator_consumer_supply lp3974_buck1_consumer = static struct regulator_consumer_supply lp3974_buck2_consumer = REGULATOR_SUPPLY("vddg3d", NULL); +static struct regulator_consumer_supply lp3974_buck3_consumer = + REGULATOR_SUPPLY("vdet", "s5p-sdo"); + static struct regulator_init_data lp3974_buck1_data = { .constraints = { .name = "VINT_1.1V", @@ -153,6 +166,8 @@ static struct regulator_init_data lp3974_buck3_data = { .enabled = 1, }, }, + .num_consumer_supplies = 1, + .consumer_supplies = &lp3974_buck3_consumer, }; static struct regulator_init_data lp3974_buck4_data = { @@ -181,6 +196,12 @@ static struct regulator_init_data lp3974_ldo2_data = { }, }; +static struct regulator_consumer_supply lp3974_ldo3_consumer[] = { + REGULATOR_SUPPLY("vdd", "exynos4-hdmi"), + REGULATOR_SUPPLY("vdd_pll", "exynos4-hdmi"), + REGULATOR_SUPPLY("vdd11", "s5p-mipi-csis.0"), +}; + static struct regulator_init_data lp3974_ldo3_data = { .constraints = { .name = "VUSB+MIPI_1.1V", @@ -192,6 +213,12 @@ static struct regulator_init_data lp3974_ldo3_data = { .disabled = 1, }, }, + .num_consumer_supplies = ARRAY_SIZE(lp3974_ldo3_consumer), + .consumer_supplies = lp3974_ldo3_consumer, +}; + +static struct regulator_consumer_supply lp3974_ldo4_consumer[] = { + REGULATOR_SUPPLY("vdd_osc", "exynos4-hdmi"), }; static struct regulator_init_data lp3974_ldo4_data = { @@ -205,6 +232,8 @@ static struct regulator_init_data lp3974_ldo4_data = { .disabled = 1, }, }, + .num_consumer_supplies = ARRAY_SIZE(lp3974_ldo4_consumer), + .consumer_supplies = lp3974_ldo4_consumer, }; static struct regulator_init_data lp3974_ldo5_data = { @@ -233,6 +262,10 @@ static struct regulator_init_data lp3974_ldo6_data = { }, }; +static struct regulator_consumer_supply lp3974_ldo7_consumer[] = { + REGULATOR_SUPPLY("vdd18", "s5p-mipi-csis.0"), +}; + static struct regulator_init_data lp3974_ldo7_data = { .constraints = { .name = "VLCD+VMIPI_1.8V", @@ -244,6 +277,12 @@ static struct regulator_init_data lp3974_ldo7_data = { .disabled = 1, }, }, + .num_consumer_supplies = ARRAY_SIZE(lp3974_ldo7_consumer), + .consumer_supplies = lp3974_ldo7_consumer, +}; + +static struct regulator_consumer_supply lp3974_ldo8_consumer[] = { + REGULATOR_SUPPLY("vdd33a_dac", "s5p-sdo"), }; static struct regulator_init_data lp3974_ldo8_data = { @@ -257,6 +296,8 @@ static struct regulator_init_data lp3974_ldo8_data = { .disabled = 1, }, }, + .num_consumer_supplies = ARRAY_SIZE(lp3974_ldo8_consumer), + .consumer_supplies = lp3974_ldo8_consumer, }; static struct regulator_init_data lp3974_ldo9_data = { @@ -286,6 +327,9 @@ static struct regulator_init_data lp3974_ldo10_data = { }, }; +static struct regulator_consumer_supply lp3974_ldo11_consumer = + REGULATOR_SUPPLY("dig_28", "0-001f"); + static struct regulator_init_data lp3974_ldo11_data = { .constraints = { .name = "CAM_AF_3.3V", @@ -297,6 +341,8 @@ static struct regulator_init_data lp3974_ldo11_data = { .disabled = 1, }, }, + .num_consumer_supplies = 1, + .consumer_supplies = &lp3974_ldo11_consumer, }; static struct regulator_init_data lp3974_ldo12_data = { @@ -325,6 +371,9 @@ static struct regulator_init_data lp3974_ldo13_data = { }, }; +static struct regulator_consumer_supply lp3974_ldo14_consumer = + REGULATOR_SUPPLY("dig_18", "0-001f"); + static struct regulator_init_data lp3974_ldo14_data = { .constraints = { .name = "CAM_I_HOST_1.8V", @@ -336,8 +385,14 @@ static struct regulator_init_data lp3974_ldo14_data = { .disabled = 1, }, }, + .num_consumer_supplies = 1, + .consumer_supplies = &lp3974_ldo14_consumer, }; + +static struct regulator_consumer_supply lp3974_ldo15_consumer = + REGULATOR_SUPPLY("dig_12", "0-001f"); + static struct regulator_init_data lp3974_ldo15_data = { .constraints = { .name = "CAM_S_DIG+FM33_CORE_1.2V", @@ -349,6 +404,12 @@ static struct regulator_init_data lp3974_ldo15_data = { .disabled = 1, }, }, + .num_consumer_supplies = 1, + .consumer_supplies = &lp3974_ldo15_consumer, +}; + +static struct regulator_consumer_supply lp3974_ldo16_consumer[] = { + REGULATOR_SUPPLY("a_sensor", "0-001f"), }; static struct regulator_init_data lp3974_ldo16_data = { @@ -362,6 +423,8 @@ static struct regulator_init_data lp3974_ldo16_data = { .disabled = 1, }, }, + .num_consumer_supplies = ARRAY_SIZE(lp3974_ldo16_consumer), + .consumer_supplies = lp3974_ldo16_consumer, }; static struct regulator_init_data lp3974_ldo17_data = { @@ -472,6 +535,43 @@ static struct max8998_platform_data universal_lp3974_pdata = { .wakeup = true, }; + +enum fixed_regulator_id { + FIXED_REG_ID_MMC0, + FIXED_REG_ID_HDMI_5V, + FIXED_REG_ID_CAM_S_IF, + FIXED_REG_ID_CAM_I_CORE, + FIXED_REG_ID_CAM_VT_DIO, +}; + +static struct regulator_consumer_supply hdmi_fixed_consumer = + REGULATOR_SUPPLY("hdmi-en", "exynos4-hdmi"); + +static struct regulator_init_data hdmi_fixed_voltage_init_data = { + .constraints = { + .name = "HDMI_5V", + .valid_ops_mask = REGULATOR_CHANGE_STATUS, + }, + .num_consumer_supplies = 1, + .consumer_supplies = &hdmi_fixed_consumer, +}; + +static struct fixed_voltage_config hdmi_fixed_voltage_config = { + .supply_name = "HDMI_EN1", + .microvolts = 5000000, + .gpio = EXYNOS4_GPE0(1), + .enable_high = true, + .init_data = &hdmi_fixed_voltage_init_data, +}; + +static struct platform_device hdmi_fixed_voltage = { + .name = "reg-fixed-voltage", + .id = FIXED_REG_ID_HDMI_5V, + .dev = { + .platform_data = &hdmi_fixed_voltage_config, + }, +}; + /* GPIO I2C 5 (PMIC) */ static struct i2c_board_info i2c5_devs[] __initdata = { { @@ -573,6 +673,11 @@ static void __init universal_touchkey_init(void) gpio_direction_output(gpio, 1); } +static struct s3c2410_platform_i2c universal_i2c0_platdata __initdata = { + .frequency = 300 * 1000, + .sda_delay = 200, +}; + /* GPIO KEYS */ static struct gpio_keys_button universal_gpio_keys_tables[] = { { @@ -658,7 +763,7 @@ static struct fixed_voltage_config mmc0_fixed_voltage_config = { static struct platform_device mmc0_fixed_voltage = { .name = "reg-fixed-voltage", - .id = 0, + .id = FIXED_REG_ID_MMC0, .dev = { .platform_data = &mmc0_fixed_voltage_config, }, @@ -692,18 +797,170 @@ static void __init universal_sdhci_init(void) s3c_sdhci3_set_platdata(&universal_hsmmc3_data); } -/* I2C0 */ -static struct i2c_board_info i2c0_devs[] __initdata = { - /* Camera, To be updated */ -}; - /* I2C1 */ static struct i2c_board_info i2c1_devs[] __initdata = { /* Gyro, To be updated */ }; +/* Frame Buffer */ +static struct s3c_fb_pd_win universal_fb_win0 = { + .win_mode = { + .left_margin = 16, + .right_margin = 16, + .upper_margin = 2, + .lower_margin = 28, + .hsync_len = 2, + .vsync_len = 1, + .xres = 480, + .yres = 800, + .refresh = 55, + }, + .max_bpp = 32, + .default_bpp = 16, +}; + +static struct s3c_fb_platdata universal_lcd_pdata __initdata = { + .win[0] = &universal_fb_win0, + .vidcon0 = VIDCON0_VIDOUT_RGB | VIDCON0_PNRMODE_RGB | + VIDCON0_CLKSEL_LCD, + .vidcon1 = VIDCON1_INV_VCLK | VIDCON1_INV_VDEN + | VIDCON1_INV_HSYNC | VIDCON1_INV_VSYNC, + .setup_gpio = exynos4_fimd0_gpio_setup_24bpp, +}; + +static struct regulator_consumer_supply cam_i_core_supply = + REGULATOR_SUPPLY("core", "0-001f"); + +static struct regulator_init_data cam_i_core_reg_init_data = { + .constraints = { .valid_ops_mask = REGULATOR_CHANGE_STATUS }, + .num_consumer_supplies = 1, + .consumer_supplies = &cam_i_core_supply, +}; + +static struct fixed_voltage_config cam_i_core_fixed_voltage_cfg = { + .supply_name = "CAM_I_CORE_1.2V", + .microvolts = 1200000, + .gpio = EXYNOS4_GPE2(2), /* CAM_8M_CORE_EN */ + .enable_high = 1, + .init_data = &cam_i_core_reg_init_data, +}; + +static struct platform_device cam_i_core_fixed_reg_dev = { + .name = "reg-fixed-voltage", .id = FIXED_REG_ID_CAM_I_CORE, + .dev = { .platform_data = &cam_i_core_fixed_voltage_cfg }, +}; + +static struct regulator_consumer_supply cam_s_if_supply = + REGULATOR_SUPPLY("d_sensor", "0-001f"); + +static struct regulator_init_data cam_s_if_reg_init_data = { + .constraints = { .valid_ops_mask = REGULATOR_CHANGE_STATUS }, + .num_consumer_supplies = 1, + .consumer_supplies = &cam_s_if_supply, +}; + +static struct fixed_voltage_config cam_s_if_fixed_voltage_cfg = { + .supply_name = "CAM_S_IF_1.8V", + .microvolts = 1800000, + .gpio = EXYNOS4_GPE3(0), /* CAM_PWR_EN1 */ + .enable_high = 1, + .init_data = &cam_s_if_reg_init_data, +}; + +static struct platform_device cam_s_if_fixed_reg_dev = { + .name = "reg-fixed-voltage", .id = FIXED_REG_ID_CAM_S_IF, + .dev = { .platform_data = &cam_s_if_fixed_voltage_cfg }, +}; + +static struct s5p_platform_mipi_csis mipi_csis_platdata = { + .clk_rate = 166000000UL, + .lanes = 2, + .alignment = 32, + .hs_settle = 12, + .phy_enable = s5p_csis_phy_enable, +}; + +#define GPIO_CAM_LEVEL_EN(n) EXYNOS4_GPE4(n + 3) +#define GPIO_CAM_8M_ISP_INT EXYNOS4_GPX1(5) /* XEINT_13 */ +#define GPIO_CAM_MEGA_nRST EXYNOS4_GPE2(5) + +static int m5mols_set_power(struct device *dev, int on) +{ + gpio_set_value(GPIO_CAM_LEVEL_EN(1), !on); + gpio_set_value(GPIO_CAM_LEVEL_EN(2), !!on); + return 0; +} + +static struct m5mols_platform_data m5mols_platdata = { + .gpio_reset = GPIO_CAM_MEGA_nRST, + .reset_polarity = 0, + .set_power = m5mols_set_power, +}; + +static struct i2c_board_info m5mols_board_info = { + I2C_BOARD_INFO("M5MOLS", 0x1F), + .platform_data = &m5mols_platdata, +}; + +static struct s5p_fimc_isp_info universal_camera_sensors[] = { + { + .mux_id = 0, + .flags = V4L2_MBUS_PCLK_SAMPLE_FALLING | + V4L2_MBUS_VSYNC_ACTIVE_LOW, + .bus_type = FIMC_MIPI_CSI2, + .board_info = &m5mols_board_info, + .i2c_bus_num = 0, + .clk_frequency = 21600000UL, + .csi_data_align = 32, + }, +}; + +static struct s5p_platform_fimc fimc_md_platdata = { + .isp_info = universal_camera_sensors, + .num_clients = ARRAY_SIZE(universal_camera_sensors), +}; + +struct platform_device s5p_device_fimc_md = { + .name = "s5p-fimc-md", + .id = -1, +}; + +static struct gpio universal_camera_gpios[] = { + { GPIO_CAM_LEVEL_EN(1), GPIOF_OUT_INIT_HIGH, "CAM_LVL_EN1" }, + { GPIO_CAM_LEVEL_EN(2), GPIOF_OUT_INIT_LOW, "CAM_LVL_EN2" }, + { GPIO_CAM_8M_ISP_INT, GPIOF_IN, "8M_ISP_INT" }, + { GPIO_CAM_MEGA_nRST, GPIOF_OUT_INIT_LOW, "CAM_8M_NRST" }, +}; + +static void universal_camera_init(void) +{ + s3c_set_platdata(&mipi_csis_platdata, sizeof(mipi_csis_platdata), + &s5p_device_mipi_csis0); + s3c_set_platdata(&fimc_md_platdata, sizeof(fimc_md_platdata), + &s5p_device_fimc_md); + + if (gpio_request_array(universal_camera_gpios, + ARRAY_SIZE(universal_camera_gpios))) { + pr_err("%s: GPIO request failed\n", __func__); + return; + } + + if (!s3c_gpio_cfgpin(GPIO_CAM_8M_ISP_INT, S3C_GPIO_SFN(0xf))) + m5mols_board_info.irq = gpio_to_irq(GPIO_CAM_8M_ISP_INT); + else + pr_err("Failed to configure 8M_ISP_INT GPIO\n"); + + /* Free GPIOs controlled directly by the sensor drivers. */ + gpio_free(GPIO_CAM_MEGA_nRST); + gpio_free(GPIO_CAM_8M_ISP_INT); + + if (exynos4_fimc_setup_gpio(S5P_CAMPORT_A)) + pr_err("Camera port A setup failed\n"); +} + static struct platform_device *universal_devices[] __initdata = { /* Samsung Platform Devices */ + &s5p_device_mipi_csis0, &s5p_device_fimc0, &s5p_device_fimc1, &s5p_device_fimc2, @@ -712,17 +969,30 @@ static struct platform_device *universal_devices[] __initdata = { &s3c_device_hsmmc0, &s3c_device_hsmmc2, &s3c_device_hsmmc3, + &s3c_device_i2c0, &s3c_device_i2c3, &s3c_device_i2c5, + &s5p_device_i2c_hdmiphy, + &hdmi_fixed_voltage, + &exynos4_device_pd[PD_TV], + &s5p_device_hdmi, + &s5p_device_sdo, + &s5p_device_mixer, /* Universal Devices */ &i2c_gpio12, &universal_gpio_keys, &s5p_device_onenand, + &s5p_device_fimd0, &s5p_device_mfc, &s5p_device_mfc_l, &s5p_device_mfc_r, &exynos4_device_pd[PD_MFC], + &exynos4_device_pd[PD_LCD0], + &exynos4_device_pd[PD_CAM], + &cam_i_core_fixed_reg_dev, + &cam_s_if_fixed_reg_dev, + &s5p_device_fimc_md, }; static void __init universal_map_io(void) @@ -732,6 +1002,20 @@ static void __init universal_map_io(void) s3c24xx_init_uarts(universal_uartcfgs, ARRAY_SIZE(universal_uartcfgs)); } +void s5p_tv_setup(void) +{ + /* direct HPD to HDMI chip */ + gpio_request(EXYNOS4_GPX3(7), "hpd-plug"); + + gpio_direction_input(EXYNOS4_GPX3(7)); + s3c_gpio_cfgpin(EXYNOS4_GPX3(7), S3C_GPIO_SFN(0x3)); + s3c_gpio_setpull(EXYNOS4_GPX3(7), S3C_GPIO_PULL_NONE); + + /* setup dependencies between TV devices */ + s5p_device_hdmi.dev.parent = &exynos4_device_pd[PD_TV].dev; + s5p_device_mixer.dev.parent = &exynos4_device_pd[PD_TV].dev; +} + static void __init universal_reserve(void) { s5p_mfc_reserve_mem(0x43000000, 8 << 20, 0x51000000, 8 << 20); @@ -740,8 +1024,9 @@ static void __init universal_reserve(void) static void __init universal_machine_init(void) { universal_sdhci_init(); + s5p_tv_setup(); - i2c_register_board_info(0, i2c0_devs, ARRAY_SIZE(i2c0_devs)); + s3c_i2c0_set_platdata(&universal_i2c0_platdata); i2c_register_board_info(1, i2c1_devs, ARRAY_SIZE(i2c1_devs)); universal_tsp_init(); @@ -749,15 +1034,28 @@ static void __init universal_machine_init(void) i2c_register_board_info(3, i2c3_devs, ARRAY_SIZE(i2c3_devs)); s3c_i2c5_set_platdata(NULL); + s5p_i2c_hdmiphy_set_platdata(NULL); i2c_register_board_info(5, i2c5_devs, ARRAY_SIZE(i2c5_devs)); + s5p_fimd0_set_platdata(&universal_lcd_pdata); + universal_touchkey_init(); i2c_register_board_info(I2C_GPIO_BUS_12, i2c_gpio12_devs, ARRAY_SIZE(i2c_gpio12_devs)); + universal_camera_init(); + /* Last */ platform_add_devices(universal_devices, ARRAY_SIZE(universal_devices)); + s5p_device_mfc.dev.parent = &exynos4_device_pd[PD_MFC].dev; + s5p_device_fimd0.dev.parent = &exynos4_device_pd[PD_LCD0].dev; + + s5p_device_fimc0.dev.parent = &exynos4_device_pd[PD_CAM].dev; + s5p_device_fimc1.dev.parent = &exynos4_device_pd[PD_CAM].dev; + s5p_device_fimc2.dev.parent = &exynos4_device_pd[PD_CAM].dev; + s5p_device_fimc3.dev.parent = &exynos4_device_pd[PD_CAM].dev; + s5p_device_mipi_csis0.dev.parent = &exynos4_device_pd[PD_CAM].dev; } MACHINE_START(UNIVERSAL_C210, "UNIVERSAL_C210") diff --git a/arch/arm/mach-exynos4/mct.c b/arch/arm/mach-exynos4/mct.c index 1ae059b7ad7b..ddd86864fb83 100644 --- a/arch/arm/mach-exynos4/mct.c +++ b/arch/arm/mach-exynos4/mct.c @@ -132,12 +132,18 @@ static cycle_t exynos4_frc_read(struct clocksource *cs) return ((cycle_t)hi << 32) | lo; } +static void exynos4_frc_resume(struct clocksource *cs) +{ + exynos4_mct_frc_start(0, 0); +} + struct clocksource mct_frc = { .name = "mct-frc", .rating = 400, .read = exynos4_frc_read, .mask = CLOCKSOURCE_MASK(64), .flags = CLOCK_SOURCE_IS_CONTINUOUS, + .resume = exynos4_frc_resume, }; static void __init exynos4_clocksource_init(void) @@ -389,9 +395,11 @@ static void exynos4_mct_tick_init(struct clock_event_device *evt) } /* Setup the local clock events for a CPU */ -void __cpuinit local_timer_setup(struct clock_event_device *evt) +int __cpuinit local_timer_setup(struct clock_event_device *evt) { exynos4_mct_tick_init(evt); + + return 0; } int local_timer_ack(void) diff --git a/arch/arm/mach-exynos4/platsmp.c b/arch/arm/mach-exynos4/platsmp.c index 7c2282c6ba81..a3346e36d0ae 100644 --- a/arch/arm/mach-exynos4/platsmp.c +++ b/arch/arm/mach-exynos4/platsmp.c @@ -30,9 +30,12 @@ #include <mach/regs-clock.h> #include <mach/regs-pmu.h> +#include <plat/cpu.h> + extern void exynos4_secondary_startup(void); -#define CPU1_BOOT_REG S5P_VA_SYSRAM +#define CPU1_BOOT_REG (samsung_rev() == EXYNOS4210_REV_1_1 ? \ + S5P_INFORM5 : S5P_VA_SYSRAM) /* * control for which core is the next to come out of the secondary @@ -106,6 +109,8 @@ void __cpuinit platform_secondary_init(unsigned int cpu) */ spin_lock(&boot_lock); spin_unlock(&boot_lock); + + set_cpu_online(cpu, true); } int __cpuinit boot_secondary(unsigned int cpu, struct task_struct *idle) @@ -216,5 +221,6 @@ void __init platform_smp_prepare_cpus(unsigned int max_cpus) * until it receives a soft interrupt, and then the * secondary CPU branches to this address. */ - __raw_writel(BSYM(virt_to_phys(exynos4_secondary_startup)), S5P_VA_SYSRAM); + __raw_writel(BSYM(virt_to_phys(exynos4_secondary_startup)), + CPU1_BOOT_REG); } diff --git a/arch/arm/mach-exynos4/pm.c b/arch/arm/mach-exynos4/pm.c index bc6ca9482de1..509a435afd4b 100644 --- a/arch/arm/mach-exynos4/pm.c +++ b/arch/arm/mach-exynos4/pm.c @@ -41,7 +41,6 @@ static struct sleep_save exynos4_set_clksrc[] = { { .reg = S5P_CLKSRC_MASK_CAM , .val = 0x11111111, }, { .reg = S5P_CLKSRC_MASK_TV , .val = 0x00000111, }, { .reg = S5P_CLKSRC_MASK_LCD0 , .val = 0x00001111, }, - { .reg = S5P_CLKSRC_MASK_LCD1 , .val = 0x00001111, }, { .reg = S5P_CLKSRC_MASK_MAUDIO , .val = 0x00000001, }, { .reg = S5P_CLKSRC_MASK_FSYS , .val = 0x01011111, }, { .reg = S5P_CLKSRC_MASK_PERIL0 , .val = 0x01111111, }, @@ -49,6 +48,10 @@ static struct sleep_save exynos4_set_clksrc[] = { { .reg = S5P_CLKSRC_MASK_DMC , .val = 0x00010000, }, }; +static struct sleep_save exynos4210_set_clksrc[] = { + { .reg = S5P_CLKSRC_MASK_LCD1 , .val = 0x00001111, }, +}; + static struct sleep_save exynos4_epll_save[] = { SAVE_ITEM(S5P_EPLL_CON0), SAVE_ITEM(S5P_EPLL_CON1), @@ -60,77 +63,6 @@ static struct sleep_save exynos4_vpll_save[] = { }; static struct sleep_save exynos4_core_save[] = { - /* CMU side */ - SAVE_ITEM(S5P_CLKDIV_LEFTBUS), - SAVE_ITEM(S5P_CLKGATE_IP_LEFTBUS), - SAVE_ITEM(S5P_CLKDIV_RIGHTBUS), - SAVE_ITEM(S5P_CLKGATE_IP_RIGHTBUS), - SAVE_ITEM(S5P_CLKSRC_TOP0), - SAVE_ITEM(S5P_CLKSRC_TOP1), - SAVE_ITEM(S5P_CLKSRC_CAM), - SAVE_ITEM(S5P_CLKSRC_TV), - SAVE_ITEM(S5P_CLKSRC_MFC), - SAVE_ITEM(S5P_CLKSRC_G3D), - SAVE_ITEM(S5P_CLKSRC_IMAGE), - SAVE_ITEM(S5P_CLKSRC_LCD0), - SAVE_ITEM(S5P_CLKSRC_LCD1), - SAVE_ITEM(S5P_CLKSRC_MAUDIO), - SAVE_ITEM(S5P_CLKSRC_FSYS), - SAVE_ITEM(S5P_CLKSRC_PERIL0), - SAVE_ITEM(S5P_CLKSRC_PERIL1), - SAVE_ITEM(S5P_CLKDIV_CAM), - SAVE_ITEM(S5P_CLKDIV_TV), - SAVE_ITEM(S5P_CLKDIV_MFC), - SAVE_ITEM(S5P_CLKDIV_G3D), - SAVE_ITEM(S5P_CLKDIV_IMAGE), - SAVE_ITEM(S5P_CLKDIV_LCD0), - SAVE_ITEM(S5P_CLKDIV_LCD1), - SAVE_ITEM(S5P_CLKDIV_MAUDIO), - SAVE_ITEM(S5P_CLKDIV_FSYS0), - SAVE_ITEM(S5P_CLKDIV_FSYS1), - SAVE_ITEM(S5P_CLKDIV_FSYS2), - SAVE_ITEM(S5P_CLKDIV_FSYS3), - SAVE_ITEM(S5P_CLKDIV_PERIL0), - SAVE_ITEM(S5P_CLKDIV_PERIL1), - SAVE_ITEM(S5P_CLKDIV_PERIL2), - SAVE_ITEM(S5P_CLKDIV_PERIL3), - SAVE_ITEM(S5P_CLKDIV_PERIL4), - SAVE_ITEM(S5P_CLKDIV_PERIL5), - SAVE_ITEM(S5P_CLKDIV_TOP), - SAVE_ITEM(S5P_CLKSRC_MASK_TOP), - SAVE_ITEM(S5P_CLKSRC_MASK_CAM), - SAVE_ITEM(S5P_CLKSRC_MASK_TV), - SAVE_ITEM(S5P_CLKSRC_MASK_LCD0), - SAVE_ITEM(S5P_CLKSRC_MASK_LCD1), - SAVE_ITEM(S5P_CLKSRC_MASK_MAUDIO), - SAVE_ITEM(S5P_CLKSRC_MASK_FSYS), - SAVE_ITEM(S5P_CLKSRC_MASK_PERIL0), - SAVE_ITEM(S5P_CLKSRC_MASK_PERIL1), - SAVE_ITEM(S5P_CLKDIV2_RATIO), - SAVE_ITEM(S5P_CLKGATE_SCLKCAM), - SAVE_ITEM(S5P_CLKGATE_IP_CAM), - SAVE_ITEM(S5P_CLKGATE_IP_TV), - SAVE_ITEM(S5P_CLKGATE_IP_MFC), - SAVE_ITEM(S5P_CLKGATE_IP_G3D), - SAVE_ITEM(S5P_CLKGATE_IP_IMAGE), - SAVE_ITEM(S5P_CLKGATE_IP_LCD0), - SAVE_ITEM(S5P_CLKGATE_IP_LCD1), - SAVE_ITEM(S5P_CLKGATE_IP_FSYS), - SAVE_ITEM(S5P_CLKGATE_IP_GPS), - SAVE_ITEM(S5P_CLKGATE_IP_PERIL), - SAVE_ITEM(S5P_CLKGATE_IP_PERIR), - SAVE_ITEM(S5P_CLKGATE_BLOCK), - SAVE_ITEM(S5P_CLKSRC_MASK_DMC), - SAVE_ITEM(S5P_CLKSRC_DMC), - SAVE_ITEM(S5P_CLKDIV_DMC0), - SAVE_ITEM(S5P_CLKDIV_DMC1), - SAVE_ITEM(S5P_CLKGATE_IP_DMC), - SAVE_ITEM(S5P_CLKSRC_CPU), - SAVE_ITEM(S5P_CLKDIV_CPU), - SAVE_ITEM(S5P_CLKDIV_CPU + 0x4), - SAVE_ITEM(S5P_CLKGATE_SCLKCPU), - SAVE_ITEM(S5P_CLKGATE_IP_CPU), - /* GIC side */ SAVE_ITEM(S5P_VA_GIC_CPU + 0x000), SAVE_ITEM(S5P_VA_GIC_CPU + 0x004), @@ -268,6 +200,9 @@ static void exynos4_pm_prepare(void) s3c_pm_do_restore_core(exynos4_set_clksrc, ARRAY_SIZE(exynos4_set_clksrc)); + if (soc_is_exynos4210()) + s3c_pm_do_restore_core(exynos4210_set_clksrc, ARRAY_SIZE(exynos4210_set_clksrc)); + } static int exynos4_pm_add(struct sys_device *sysdev) @@ -404,6 +339,13 @@ static int exynos4_pm_suspend(void) tmp &= ~S5P_CENTRAL_LOWPWR_CFG; __raw_writel(tmp, S5P_CENTRAL_SEQ_CONFIGURATION); + if (soc_is_exynos4212()) { + tmp = __raw_readl(S5P_CENTRAL_SEQ_OPTION); + tmp &= ~(S5P_USE_STANDBYWFI_ISP_ARM | + S5P_USE_STANDBYWFE_ISP_ARM); + __raw_writel(tmp, S5P_CENTRAL_SEQ_OPTION); + } + /* Save Power control register */ asm ("mrc p15, 0, %0, c15, c0, 0" : "=r" (tmp) : : "cc"); diff --git a/arch/arm/mach-exynos4/pmu.c b/arch/arm/mach-exynos4/pmu.c index 7ea9eb2a20d2..bba48f5c3e8f 100644 --- a/arch/arm/mach-exynos4/pmu.c +++ b/arch/arm/mach-exynos4/pmu.c @@ -16,160 +16,215 @@ #include <mach/regs-clock.h> #include <mach/pmu.h> -static void __iomem *sys_powerdown_reg[] = { - S5P_ARM_CORE0_LOWPWR, - S5P_DIS_IRQ_CORE0, - S5P_DIS_IRQ_CENTRAL0, - S5P_ARM_CORE1_LOWPWR, - S5P_DIS_IRQ_CORE1, - S5P_DIS_IRQ_CENTRAL1, - S5P_ARM_COMMON_LOWPWR, - S5P_L2_0_LOWPWR, - S5P_L2_1_LOWPWR, - S5P_CMU_ACLKSTOP_LOWPWR, - S5P_CMU_SCLKSTOP_LOWPWR, - S5P_CMU_RESET_LOWPWR, - S5P_APLL_SYSCLK_LOWPWR, - S5P_MPLL_SYSCLK_LOWPWR, - S5P_VPLL_SYSCLK_LOWPWR, - S5P_EPLL_SYSCLK_LOWPWR, - S5P_CMU_CLKSTOP_GPS_ALIVE_LOWPWR, - S5P_CMU_RESET_GPSALIVE_LOWPWR, - S5P_CMU_CLKSTOP_CAM_LOWPWR, - S5P_CMU_CLKSTOP_TV_LOWPWR, - S5P_CMU_CLKSTOP_MFC_LOWPWR, - S5P_CMU_CLKSTOP_G3D_LOWPWR, - S5P_CMU_CLKSTOP_LCD0_LOWPWR, - S5P_CMU_CLKSTOP_LCD1_LOWPWR, - S5P_CMU_CLKSTOP_MAUDIO_LOWPWR, - S5P_CMU_CLKSTOP_GPS_LOWPWR, - S5P_CMU_RESET_CAM_LOWPWR, - S5P_CMU_RESET_TV_LOWPWR, - S5P_CMU_RESET_MFC_LOWPWR, - S5P_CMU_RESET_G3D_LOWPWR, - S5P_CMU_RESET_LCD0_LOWPWR, - S5P_CMU_RESET_LCD1_LOWPWR, - S5P_CMU_RESET_MAUDIO_LOWPWR, - S5P_CMU_RESET_GPS_LOWPWR, - S5P_TOP_BUS_LOWPWR, - S5P_TOP_RETENTION_LOWPWR, - S5P_TOP_PWR_LOWPWR, - S5P_LOGIC_RESET_LOWPWR, - S5P_ONENAND_MEM_LOWPWR, - S5P_MODIMIF_MEM_LOWPWR, - S5P_G2D_ACP_MEM_LOWPWR, - S5P_USBOTG_MEM_LOWPWR, - S5P_HSMMC_MEM_LOWPWR, - S5P_CSSYS_MEM_LOWPWR, - S5P_SECSS_MEM_LOWPWR, - S5P_PCIE_MEM_LOWPWR, - S5P_SATA_MEM_LOWPWR, - S5P_PAD_RETENTION_DRAM_LOWPWR, - S5P_PAD_RETENTION_MAUDIO_LOWPWR, - S5P_PAD_RETENTION_GPIO_LOWPWR, - S5P_PAD_RETENTION_UART_LOWPWR, - S5P_PAD_RETENTION_MMCA_LOWPWR, - S5P_PAD_RETENTION_MMCB_LOWPWR, - S5P_PAD_RETENTION_EBIA_LOWPWR, - S5P_PAD_RETENTION_EBIB_LOWPWR, - S5P_PAD_RETENTION_ISOLATION_LOWPWR, - S5P_PAD_RETENTION_ALV_SEL_LOWPWR, - S5P_XUSBXTI_LOWPWR, - S5P_XXTI_LOWPWR, - S5P_EXT_REGULATOR_LOWPWR, - S5P_GPIO_MODE_LOWPWR, - S5P_GPIO_MODE_MAUDIO_LOWPWR, - S5P_CAM_LOWPWR, - S5P_TV_LOWPWR, - S5P_MFC_LOWPWR, - S5P_G3D_LOWPWR, - S5P_LCD0_LOWPWR, - S5P_LCD1_LOWPWR, - S5P_MAUDIO_LOWPWR, - S5P_GPS_LOWPWR, - S5P_GPS_ALIVE_LOWPWR, +static struct exynos4_pmu_conf *exynos4_pmu_config; + +static struct exynos4_pmu_conf exynos4210_pmu_config[] = { + /* { .reg = address, .val = { AFTR, LPA, SLEEP } */ + { S5P_ARM_CORE0_LOWPWR, { 0x0, 0x0, 0x2 } }, + { S5P_DIS_IRQ_CORE0, { 0x0, 0x0, 0x0 } }, + { S5P_DIS_IRQ_CENTRAL0, { 0x0, 0x0, 0x0 } }, + { S5P_ARM_CORE1_LOWPWR, { 0x0, 0x0, 0x2 } }, + { S5P_DIS_IRQ_CORE1, { 0x0, 0x0, 0x0 } }, + { S5P_DIS_IRQ_CENTRAL1, { 0x0, 0x0, 0x0 } }, + { S5P_ARM_COMMON_LOWPWR, { 0x0, 0x0, 0x2 } }, + { S5P_L2_0_LOWPWR, { 0x2, 0x2, 0x3 } }, + { S5P_L2_1_LOWPWR, { 0x2, 0x2, 0x3 } }, + { S5P_CMU_ACLKSTOP_LOWPWR, { 0x1, 0x0, 0x0 } }, + { S5P_CMU_SCLKSTOP_LOWPWR, { 0x1, 0x0, 0x0 } }, + { S5P_CMU_RESET_LOWPWR, { 0x1, 0x1, 0x0 } }, + { S5P_APLL_SYSCLK_LOWPWR, { 0x1, 0x0, 0x0 } }, + { S5P_MPLL_SYSCLK_LOWPWR, { 0x1, 0x0, 0x0 } }, + { S5P_VPLL_SYSCLK_LOWPWR, { 0x1, 0x0, 0x0 } }, + { S5P_EPLL_SYSCLK_LOWPWR, { 0x1, 0x1, 0x0 } }, + { S5P_CMU_CLKSTOP_GPS_ALIVE_LOWPWR, { 0x1, 0x1, 0x0 } }, + { S5P_CMU_RESET_GPSALIVE_LOWPWR, { 0x1, 0x1, 0x0 } }, + { S5P_CMU_CLKSTOP_CAM_LOWPWR, { 0x1, 0x1, 0x0 } }, + { S5P_CMU_CLKSTOP_TV_LOWPWR, { 0x1, 0x1, 0x0 } }, + { S5P_CMU_CLKSTOP_MFC_LOWPWR, { 0x1, 0x1, 0x0 } }, + { S5P_CMU_CLKSTOP_G3D_LOWPWR, { 0x1, 0x1, 0x0 } }, + { S5P_CMU_CLKSTOP_LCD0_LOWPWR, { 0x1, 0x1, 0x0 } }, + { S5P_CMU_CLKSTOP_LCD1_LOWPWR, { 0x1, 0x1, 0x0 } }, + { S5P_CMU_CLKSTOP_MAUDIO_LOWPWR, { 0x1, 0x1, 0x0 } }, + { S5P_CMU_CLKSTOP_GPS_LOWPWR, { 0x1, 0x1, 0x0 } }, + { S5P_CMU_RESET_CAM_LOWPWR, { 0x1, 0x1, 0x0 } }, + { S5P_CMU_RESET_TV_LOWPWR, { 0x1, 0x1, 0x0 } }, + { S5P_CMU_RESET_MFC_LOWPWR, { 0x1, 0x1, 0x0 } }, + { S5P_CMU_RESET_G3D_LOWPWR, { 0x1, 0x1, 0x0 } }, + { S5P_CMU_RESET_LCD0_LOWPWR, { 0x1, 0x1, 0x0 } }, + { S5P_CMU_RESET_LCD1_LOWPWR, { 0x1, 0x1, 0x0 } }, + { S5P_CMU_RESET_MAUDIO_LOWPWR, { 0x1, 0x1, 0x0 } }, + { S5P_CMU_RESET_GPS_LOWPWR, { 0x1, 0x1, 0x0 } }, + { S5P_TOP_BUS_LOWPWR, { 0x3, 0x0, 0x0 } }, + { S5P_TOP_RETENTION_LOWPWR, { 0x1, 0x0, 0x1 } }, + { S5P_TOP_PWR_LOWPWR, { 0x3, 0x0, 0x3 } }, + { S5P_LOGIC_RESET_LOWPWR, { 0x1, 0x1, 0x0 } }, + { S5P_ONENAND_MEM_LOWPWR, { 0x3, 0x0, 0x0 } }, + { S5P_MODIMIF_MEM_LOWPWR, { 0x3, 0x0, 0x0 } }, + { S5P_G2D_ACP_MEM_LOWPWR, { 0x3, 0x0, 0x0 } }, + { S5P_USBOTG_MEM_LOWPWR, { 0x3, 0x0, 0x0 } }, + { S5P_HSMMC_MEM_LOWPWR, { 0x3, 0x0, 0x0 } }, + { S5P_CSSYS_MEM_LOWPWR, { 0x3, 0x0, 0x0 } }, + { S5P_SECSS_MEM_LOWPWR, { 0x3, 0x0, 0x0 } }, + { S5P_PCIE_MEM_LOWPWR, { 0x3, 0x0, 0x0 } }, + { S5P_SATA_MEM_LOWPWR, { 0x3, 0x0, 0x0 } }, + { S5P_PAD_RETENTION_DRAM_LOWPWR, { 0x1, 0x0, 0x0 } }, + { S5P_PAD_RETENTION_MAUDIO_LOWPWR, { 0x1, 0x1, 0x0 } }, + { S5P_PAD_RETENTION_GPIO_LOWPWR, { 0x1, 0x0, 0x0 } }, + { S5P_PAD_RETENTION_UART_LOWPWR, { 0x1, 0x0, 0x0 } }, + { S5P_PAD_RETENTION_MMCA_LOWPWR, { 0x1, 0x0, 0x0 } }, + { S5P_PAD_RETENTION_MMCB_LOWPWR, { 0x1, 0x0, 0x0 } }, + { S5P_PAD_RETENTION_EBIA_LOWPWR, { 0x1, 0x0, 0x0 } }, + { S5P_PAD_RETENTION_EBIB_LOWPWR, { 0x1, 0x0, 0x0 } }, + { S5P_PAD_RETENTION_ISOLATION_LOWPWR, { 0x1, 0x0, 0x0 } }, + { S5P_PAD_RETENTION_ALV_SEL_LOWPWR, { 0x1, 0x0, 0x0 } }, + { S5P_XUSBXTI_LOWPWR, { 0x1, 0x1, 0x0 } }, + { S5P_XXTI_LOWPWR, { 0x1, 0x1, 0x0 } }, + { S5P_EXT_REGULATOR_LOWPWR, { 0x1, 0x1, 0x0 } }, + { S5P_GPIO_MODE_LOWPWR, { 0x1, 0x0, 0x0 } }, + { S5P_GPIO_MODE_MAUDIO_LOWPWR, { 0x1, 0x1, 0x0 } }, + { S5P_CAM_LOWPWR, { 0x7, 0x0, 0x0 } }, + { S5P_TV_LOWPWR, { 0x7, 0x0, 0x0 } }, + { S5P_MFC_LOWPWR, { 0x7, 0x0, 0x0 } }, + { S5P_G3D_LOWPWR, { 0x7, 0x0, 0x0 } }, + { S5P_LCD0_LOWPWR, { 0x7, 0x0, 0x0 } }, + { S5P_LCD1_LOWPWR, { 0x7, 0x0, 0x0 } }, + { S5P_MAUDIO_LOWPWR, { 0x7, 0x7, 0x0 } }, + { S5P_GPS_LOWPWR, { 0x7, 0x0, 0x0 } }, + { S5P_GPS_ALIVE_LOWPWR, { 0x7, 0x0, 0x0 } }, + { PMU_TABLE_END,}, }; -static const unsigned int sys_powerdown_val[][NUM_SYS_POWERDOWN] = { - /* { AFTR, LPA, SLEEP }*/ - { 0, 0, 2 }, /* ARM_CORE0 */ - { 0, 0, 0 }, /* ARM_DIS_IRQ_CORE0 */ - { 0, 0, 0 }, /* ARM_DIS_IRQ_CENTRAL0 */ - { 0, 0, 2 }, /* ARM_CORE1 */ - { 0, 0, 0 }, /* ARM_DIS_IRQ_CORE1 */ - { 0, 0, 0 }, /* ARM_DIS_IRQ_CENTRAL1 */ - { 0, 0, 2 }, /* ARM_COMMON */ - { 2, 2, 3 }, /* ARM_CPU_L2_0 */ - { 2, 2, 3 }, /* ARM_CPU_L2_1 */ - { 1, 0, 0 }, /* CMU_ACLKSTOP */ - { 1, 0, 0 }, /* CMU_SCLKSTOP */ - { 1, 1, 0 }, /* CMU_RESET */ - { 1, 0, 0 }, /* APLL_SYSCLK */ - { 1, 0, 0 }, /* MPLL_SYSCLK */ - { 1, 0, 0 }, /* VPLL_SYSCLK */ - { 1, 1, 0 }, /* EPLL_SYSCLK */ - { 1, 1, 0 }, /* CMU_CLKSTOP_GPS_ALIVE */ - { 1, 1, 0 }, /* CMU_RESET_GPS_ALIVE */ - { 1, 1, 0 }, /* CMU_CLKSTOP_CAM */ - { 1, 1, 0 }, /* CMU_CLKSTOP_TV */ - { 1, 1, 0 }, /* CMU_CLKSTOP_MFC */ - { 1, 1, 0 }, /* CMU_CLKSTOP_G3D */ - { 1, 1, 0 }, /* CMU_CLKSTOP_LCD0 */ - { 1, 1, 0 }, /* CMU_CLKSTOP_LCD1 */ - { 1, 1, 0 }, /* CMU_CLKSTOP_MAUDIO */ - { 1, 1, 0 }, /* CMU_CLKSTOP_GPS */ - { 1, 1, 0 }, /* CMU_RESET_CAM */ - { 1, 1, 0 }, /* CMU_RESET_TV */ - { 1, 1, 0 }, /* CMU_RESET_MFC */ - { 1, 1, 0 }, /* CMU_RESET_G3D */ - { 1, 1, 0 }, /* CMU_RESET_LCD0 */ - { 1, 1, 0 }, /* CMU_RESET_LCD1 */ - { 1, 1, 0 }, /* CMU_RESET_MAUDIO */ - { 1, 1, 0 }, /* CMU_RESET_GPS */ - { 3, 0, 0 }, /* TOP_BUS */ - { 1, 0, 1 }, /* TOP_RETENTION */ - { 3, 0, 3 }, /* TOP_PWR */ - { 1, 1, 0 }, /* LOGIC_RESET */ - { 3, 0, 0 }, /* ONENAND_MEM */ - { 3, 0, 0 }, /* MODIMIF_MEM */ - { 3, 0, 0 }, /* G2D_ACP_MEM */ - { 3, 0, 0 }, /* USBOTG_MEM */ - { 3, 0, 0 }, /* HSMMC_MEM */ - { 3, 0, 0 }, /* CSSYS_MEM */ - { 3, 0, 0 }, /* SECSS_MEM */ - { 3, 0, 0 }, /* PCIE_MEM */ - { 3, 0, 0 }, /* SATA_MEM */ - { 1, 0, 0 }, /* PAD_RETENTION_DRAM */ - { 1, 1, 0 }, /* PAD_RETENTION_MAUDIO */ - { 1, 0, 0 }, /* PAD_RETENTION_GPIO */ - { 1, 0, 0 }, /* PAD_RETENTION_UART */ - { 1, 0, 0 }, /* PAD_RETENTION_MMCA */ - { 1, 0, 0 }, /* PAD_RETENTION_MMCB */ - { 1, 0, 0 }, /* PAD_RETENTION_EBIA */ - { 1, 0, 0 }, /* PAD_RETENTION_EBIB */ - { 1, 0, 0 }, /* PAD_RETENTION_ISOLATION */ - { 1, 0, 0 }, /* PAD_RETENTION_ALV_SEL */ - { 1, 1, 0 }, /* XUSBXTI */ - { 1, 1, 0 }, /* XXTI */ - { 1, 1, 0 }, /* EXT_REGULATOR */ - { 1, 0, 0 }, /* GPIO_MODE */ - { 1, 1, 0 }, /* GPIO_MODE_MAUDIO */ - { 7, 0, 0 }, /* CAM */ - { 7, 0, 0 }, /* TV */ - { 7, 0, 0 }, /* MFC */ - { 7, 0, 0 }, /* G3D */ - { 7, 0, 0 }, /* LCD0 */ - { 7, 0, 0 }, /* LCD1 */ - { 7, 7, 0 }, /* MAUDIO */ - { 7, 0, 0 }, /* GPS */ - { 7, 0, 0 }, /* GPS_ALIVE */ +static struct exynos4_pmu_conf exynos4212_pmu_config[] = { + { S5P_ARM_CORE0_LOWPWR, { 0x0, 0x0, 0x2 } }, + { S5P_DIS_IRQ_CORE0, { 0x0, 0x0, 0x0 } }, + { S5P_DIS_IRQ_CENTRAL0, { 0x0, 0x0, 0x0 } }, + { S5P_ARM_CORE1_LOWPWR, { 0x0, 0x0, 0x2 } }, + { S5P_DIS_IRQ_CORE1, { 0x0, 0x0, 0x0 } }, + { S5P_DIS_IRQ_CENTRAL1, { 0x0, 0x0, 0x0 } }, + { S5P_ISP_ARM_LOWPWR, { 0x1, 0x0, 0x0 } }, + { S5P_DIS_IRQ_ISP_ARM_LOCAL_LOWPWR, { 0x0, 0x0, 0x0 } }, + { S5P_DIS_IRQ_ISP_ARM_CENTRAL_LOWPWR, { 0x0, 0x0, 0x0 } }, + { S5P_ARM_COMMON_LOWPWR, { 0x0, 0x0, 0x2 } }, + { S5P_L2_0_LOWPWR, { 0x0, 0x0, 0x3 } }, + /* XXX_OPTION register should be set other field */ + { S5P_ARM_L2_0_OPTION, { 0x10, 0x10, 0x0 } }, + { S5P_L2_1_LOWPWR, { 0x0, 0x0, 0x3 } }, + { S5P_ARM_L2_1_OPTION, { 0x10, 0x10, 0x0 } }, + { S5P_CMU_ACLKSTOP_LOWPWR, { 0x1, 0x0, 0x0 } }, + { S5P_CMU_SCLKSTOP_LOWPWR, { 0x1, 0x0, 0x0 } }, + { S5P_CMU_RESET_LOWPWR, { 0x1, 0x1, 0x0 } }, + { S5P_DRAM_FREQ_DOWN_LOWPWR, { 0x1, 0x1, 0x1 } }, + { S5P_DDRPHY_DLLOFF_LOWPWR, { 0x1, 0x1, 0x1 } }, + { S5P_LPDDR_PHY_DLL_LOCK_LOWPWR, { 0x1, 0x1, 0x1 } }, + { S5P_CMU_ACLKSTOP_COREBLK_LOWPWR, { 0x1, 0x0, 0x0 } }, + { S5P_CMU_SCLKSTOP_COREBLK_LOWPWR, { 0x1, 0x0, 0x0 } }, + { S5P_CMU_RESET_COREBLK_LOWPWR, { 0x1, 0x1, 0x0 } }, + { S5P_APLL_SYSCLK_LOWPWR, { 0x1, 0x0, 0x0 } }, + { S5P_MPLL_SYSCLK_LOWPWR, { 0x1, 0x0, 0x0 } }, + { S5P_VPLL_SYSCLK_LOWPWR, { 0x1, 0x0, 0x0 } }, + { S5P_EPLL_SYSCLK_LOWPWR, { 0x1, 0x1, 0x0 } }, + { S5P_MPLLUSER_SYSCLK_LOWPWR, { 0x1, 0x0, 0x0 } }, + { S5P_CMU_CLKSTOP_GPS_ALIVE_LOWPWR, { 0x1, 0x0, 0x0 } }, + { S5P_CMU_RESET_GPSALIVE_LOWPWR, { 0x1, 0x0, 0x0 } }, + { S5P_CMU_CLKSTOP_CAM_LOWPWR, { 0x1, 0x0, 0x0 } }, + { S5P_CMU_CLKSTOP_TV_LOWPWR, { 0x1, 0x0, 0x0 } }, + { S5P_CMU_CLKSTOP_MFC_LOWPWR, { 0x1, 0x0, 0x0 } }, + { S5P_CMU_CLKSTOP_G3D_LOWPWR, { 0x1, 0x0, 0x0 } }, + { S5P_CMU_CLKSTOP_LCD0_LOWPWR, { 0x1, 0x0, 0x0 } }, + { S5P_CMU_CLKSTOP_ISP_LOWPWR, { 0x1, 0x0, 0x0 } }, + { S5P_CMU_CLKSTOP_MAUDIO_LOWPWR, { 0x1, 0x0, 0x0 } }, + { S5P_CMU_CLKSTOP_GPS_LOWPWR, { 0x1, 0x0, 0x0 } }, + { S5P_CMU_RESET_CAM_LOWPWR, { 0x1, 0x0, 0x0 } }, + { S5P_CMU_RESET_TV_LOWPWR, { 0x1, 0x0, 0x0 } }, + { S5P_CMU_RESET_MFC_LOWPWR, { 0x1, 0x0, 0x0 } }, + { S5P_CMU_RESET_G3D_LOWPWR, { 0x1, 0x0, 0x0 } }, + { S5P_CMU_RESET_LCD0_LOWPWR, { 0x1, 0x0, 0x0 } }, + { S5P_CMU_RESET_ISP_LOWPWR, { 0x1, 0x0, 0x0 } }, + { S5P_CMU_RESET_MAUDIO_LOWPWR, { 0x1, 0x1, 0x0 } }, + { S5P_CMU_RESET_GPS_LOWPWR, { 0x1, 0x0, 0x0 } }, + { S5P_TOP_BUS_LOWPWR, { 0x3, 0x0, 0x0 } }, + { S5P_TOP_RETENTION_LOWPWR, { 0x1, 0x0, 0x1 } }, + { S5P_TOP_PWR_LOWPWR, { 0x3, 0x0, 0x3 } }, + { S5P_TOP_BUS_COREBLK_LOWPWR, { 0x3, 0x0, 0x0 } }, + { S5P_TOP_RETENTION_COREBLK_LOWPWR, { 0x1, 0x0, 0x1 } }, + { S5P_TOP_PWR_COREBLK_LOWPWR, { 0x3, 0x0, 0x3 } }, + { S5P_LOGIC_RESET_LOWPWR, { 0x1, 0x1, 0x0 } }, + { S5P_OSCCLK_GATE_LOWPWR, { 0x1, 0x0, 0x1 } }, + { S5P_LOGIC_RESET_COREBLK_LOWPWR, { 0x1, 0x1, 0x0 } }, + { S5P_OSCCLK_GATE_COREBLK_LOWPWR, { 0x1, 0x0, 0x1 } }, + { S5P_ONENAND_MEM_LOWPWR, { 0x3, 0x0, 0x0 } }, + { S5P_ONENAND_MEM_OPTION, { 0x10, 0x10, 0x0 } }, + { S5P_HSI_MEM_LOWPWR, { 0x3, 0x0, 0x0 } }, + { S5P_HSI_MEM_OPTION, { 0x10, 0x10, 0x0 } }, + { S5P_G2D_ACP_MEM_LOWPWR, { 0x3, 0x0, 0x0 } }, + { S5P_G2D_ACP_MEM_OPTION, { 0x10, 0x10, 0x0 } }, + { S5P_USBOTG_MEM_LOWPWR, { 0x3, 0x0, 0x0 } }, + { S5P_USBOTG_MEM_OPTION, { 0x10, 0x10, 0x0 } }, + { S5P_HSMMC_MEM_LOWPWR, { 0x3, 0x0, 0x0 } }, + { S5P_HSMMC_MEM_OPTION, { 0x10, 0x10, 0x0 } }, + { S5P_CSSYS_MEM_LOWPWR, { 0x3, 0x0, 0x0 } }, + { S5P_CSSYS_MEM_OPTION, { 0x10, 0x10, 0x0 } }, + { S5P_SECSS_MEM_LOWPWR, { 0x3, 0x0, 0x0 } }, + { S5P_SECSS_MEM_OPTION, { 0x10, 0x10, 0x0 } }, + { S5P_ROTATOR_MEM_LOWPWR, { 0x3, 0x0, 0x0 } }, + { S5P_ROTATOR_MEM_OPTION, { 0x10, 0x10, 0x0 } }, + { S5P_PAD_RETENTION_DRAM_LOWPWR, { 0x1, 0x0, 0x0 } }, + { S5P_PAD_RETENTION_MAUDIO_LOWPWR, { 0x1, 0x1, 0x0 } }, + { S5P_PAD_RETENTION_GPIO_LOWPWR, { 0x1, 0x0, 0x0 } }, + { S5P_PAD_RETENTION_UART_LOWPWR, { 0x1, 0x0, 0x0 } }, + { S5P_PAD_RETENTION_MMCA_LOWPWR, { 0x1, 0x0, 0x0 } }, + { S5P_PAD_RETENTION_MMCB_LOWPWR, { 0x1, 0x0, 0x0 } }, + { S5P_PAD_RETENTION_EBIA_LOWPWR, { 0x1, 0x0, 0x0 } }, + { S5P_PAD_RETENTION_EBIB_LOWPWR, { 0x1, 0x0, 0x0 } }, + { S5P_PAD_RETENTION_GPIO_COREBLK_LOWPWR,{ 0x1, 0x0, 0x0 } }, + { S5P_PAD_RETENTION_ISOLATION_LOWPWR, { 0x1, 0x0, 0x0 } }, + { S5P_PAD_ISOLATION_COREBLK_LOWPWR, { 0x1, 0x0, 0x0 } }, + { S5P_PAD_RETENTION_ALV_SEL_LOWPWR, { 0x1, 0x0, 0x0 } }, + { S5P_XUSBXTI_LOWPWR, { 0x1, 0x1, 0x0 } }, + { S5P_XXTI_LOWPWR, { 0x1, 0x1, 0x0 } }, + { S5P_EXT_REGULATOR_LOWPWR, { 0x1, 0x1, 0x0 } }, + { S5P_GPIO_MODE_LOWPWR, { 0x1, 0x0, 0x0 } }, + { S5P_GPIO_MODE_COREBLK_LOWPWR, { 0x1, 0x0, 0x0 } }, + { S5P_GPIO_MODE_MAUDIO_LOWPWR, { 0x1, 0x1, 0x0 } }, + { S5P_TOP_ASB_RESET_LOWPWR, { 0x1, 0x1, 0x1 } }, + { S5P_TOP_ASB_ISOLATION_LOWPWR, { 0x1, 0x0, 0x1 } }, + { S5P_CAM_LOWPWR, { 0x7, 0x0, 0x0 } }, + { S5P_TV_LOWPWR, { 0x7, 0x0, 0x0 } }, + { S5P_MFC_LOWPWR, { 0x7, 0x0, 0x0 } }, + { S5P_G3D_LOWPWR, { 0x7, 0x0, 0x0 } }, + { S5P_LCD0_LOWPWR, { 0x7, 0x0, 0x0 } }, + { S5P_ISP_LOWPWR, { 0x7, 0x0, 0x0 } }, + { S5P_MAUDIO_LOWPWR, { 0x7, 0x7, 0x0 } }, + { S5P_GPS_LOWPWR, { 0x7, 0x0, 0x0 } }, + { S5P_GPS_ALIVE_LOWPWR, { 0x7, 0x0, 0x0 } }, + { S5P_CMU_SYSCLK_ISP_LOWPWR, { 0x1, 0x0, 0x0 } }, + { S5P_CMU_SYSCLK_GPS_LOWPWR, { 0x1, 0x0, 0x0 } }, + { PMU_TABLE_END,}, }; void exynos4_sys_powerdown_conf(enum sys_powerdown mode) { - unsigned int count = ARRAY_SIZE(sys_powerdown_reg); + unsigned int i; + + for (i = 0; (exynos4_pmu_config[i].reg != PMU_TABLE_END) ; i++) + __raw_writel(exynos4_pmu_config[i].val[mode], + exynos4_pmu_config[i].reg); +} + +static int __init exynos4_pmu_init(void) +{ + exynos4_pmu_config = exynos4210_pmu_config; + + if (soc_is_exynos4210()) { + exynos4_pmu_config = exynos4210_pmu_config; + pr_info("EXYNOS4210 PMU Initialize\n"); + } else if (soc_is_exynos4212()) { + exynos4_pmu_config = exynos4212_pmu_config; + pr_info("EXYNOS4212 PMU Initialize\n"); + } else { + pr_info("EXYNOS4: PMU not supported\n"); + } - for (; count > 0; count--) - __raw_writel(sys_powerdown_val[count - 1][mode], - sys_powerdown_reg[count - 1]); + return 0; } +arch_initcall(exynos4_pmu_init); diff --git a/arch/arm/mach-exynos4/setup-keypad.c b/arch/arm/mach-exynos4/setup-keypad.c index 1ee0ebff111f..7862bfb5933d 100644 --- a/arch/arm/mach-exynos4/setup-keypad.c +++ b/arch/arm/mach-exynos4/setup-keypad.c @@ -19,15 +19,16 @@ void samsung_keypad_cfg_gpio(unsigned int rows, unsigned int cols) if (rows > 8) { /* Set all the necessary GPX2 pins: KP_ROW[0~7] */ - s3c_gpio_cfgrange_nopull(EXYNOS4_GPX2(0), 8, S3C_GPIO_SFN(3)); + s3c_gpio_cfgall_range(EXYNOS4_GPX2(0), 8, S3C_GPIO_SFN(3), + S3C_GPIO_PULL_UP); /* Set all the necessary GPX3 pins: KP_ROW[8~] */ - s3c_gpio_cfgrange_nopull(EXYNOS4_GPX3(0), (rows - 8), - S3C_GPIO_SFN(3)); + s3c_gpio_cfgall_range(EXYNOS4_GPX3(0), (rows - 8), + S3C_GPIO_SFN(3), S3C_GPIO_PULL_UP); } else { /* Set all the necessary GPX2 pins: KP_ROW[x] */ - s3c_gpio_cfgrange_nopull(EXYNOS4_GPX2(0), rows, - S3C_GPIO_SFN(3)); + s3c_gpio_cfgall_range(EXYNOS4_GPX2(0), rows, S3C_GPIO_SFN(3), + S3C_GPIO_PULL_UP); } /* Set all the necessary GPX1 pins to special-function 3: KP_COL[x] */ diff --git a/arch/arm/mach-integrator/integrator_ap.c b/arch/arm/mach-integrator/integrator_ap.c index fcf0ae95651f..8cdc730dcb3a 100644 --- a/arch/arm/mach-integrator/integrator_ap.c +++ b/arch/arm/mach-integrator/integrator_ap.c @@ -32,6 +32,7 @@ #include <linux/interrupt.h> #include <linux/io.h> #include <linux/mtd/physmap.h> +#include <video/vga.h> #include <mach/hardware.h> #include <mach/platform.h> @@ -154,6 +155,7 @@ static struct map_desc ap_io_desc[] __initdata = { static void __init ap_map_io(void) { iotable_init(ap_io_desc, ARRAY_SIZE(ap_io_desc)); + vga_base = PCI_MEMORY_VADDR; } #define INTEGRATOR_SC_VALID_INT 0x003fffff diff --git a/arch/arm/mach-integrator/pci_v3.c b/arch/arm/mach-integrator/pci_v3.c index dd56bfb351e3..11b86e5b71c2 100644 --- a/arch/arm/mach-integrator/pci_v3.c +++ b/arch/arm/mach-integrator/pci_v3.c @@ -27,7 +27,6 @@ #include <linux/spinlock.h> #include <linux/init.h> #include <linux/io.h> -#include <video/vga.h> #include <mach/hardware.h> #include <mach/platform.h> @@ -505,7 +504,6 @@ void __init pci_v3_preinit(void) pcibios_min_io = 0x6000; pcibios_min_mem = 0x00100000; - vga_base = PCI_MEMORY_VADDR; /* * Hook in our fault handler for PCI errors diff --git a/arch/arm/mach-s3c2410/Kconfig b/arch/arm/mach-s3c2410/Kconfig index 3700cf32af0f..5261a7ed0999 100644 --- a/arch/arm/mach-s3c2410/Kconfig +++ b/arch/arm/mach-s3c2410/Kconfig @@ -6,7 +6,6 @@ config CPU_S3C2410 bool depends on ARCH_S3C2410 select CPU_ARM920T - select S3C_GPIO_PULL_UP select S3C2410_CLOCK select CPU_LLSERIAL_S3C2410 select S3C2410_PM if PM diff --git a/arch/arm/mach-s3c2410/include/mach/dma.h b/arch/arm/mach-s3c2410/include/mach/dma.h index b2b2a5bb275e..ae8e482b6427 100644 --- a/arch/arm/mach-s3c2410/include/mach/dma.h +++ b/arch/arm/mach-s3c2410/include/mach/dma.h @@ -13,7 +13,6 @@ #ifndef __ASM_ARCH_DMA_H #define __ASM_ARCH_DMA_H __FILE__ -#include <plat/dma.h> #include <linux/sysdev.h> #define MAX_DMA_TRANSFER_SIZE 0x100000 /* Data Unit is half word */ @@ -51,6 +50,18 @@ enum dma_ch { DMACH_MAX, /* the end entry */ }; +static inline bool samsung_dma_has_circular(void) +{ + return false; +} + +static inline bool samsung_dma_is_dmadev(void) +{ + return false; +} + +#include <plat/dma.h> + #define DMACH_LOW_LEVEL (1<<28) /* use this to specifiy hardware ch no */ /* we have 4 dma channels */ @@ -163,7 +174,7 @@ struct s3c2410_dma_chan { struct s3c2410_dma_client *client; /* channel configuration */ - enum s3c2410_dmasrc source; + enum dma_data_direction source; enum dma_ch req_ch; unsigned long dev_addr; unsigned long load_timeout; @@ -196,9 +207,4 @@ struct s3c2410_dma_chan { typedef unsigned long dma_device_t; -static inline bool s3c_dma_has_circular(void) -{ - return false; -} - #endif /* __ASM_ARCH_DMA_H */ diff --git a/arch/arm/mach-s3c2410/include/mach/gpio-fns.h b/arch/arm/mach-s3c2410/include/mach/gpio-fns.h index bab139201761..c53ad34c6579 100644 --- a/arch/arm/mach-s3c2410/include/mach/gpio-fns.h +++ b/arch/arm/mach-s3c2410/include/mach/gpio-fns.h @@ -1,98 +1 @@ -/* arch/arm/mach-s3c2410/include/mach/gpio-fns.h - * - * Copyright (c) 2003-2009 Simtec Electronics - * Ben Dooks <ben@simtec.co.uk> - * - * S3C2410 - hardware - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. -*/ - -#ifndef __MACH_GPIO_FNS_H -#define __MACH_GPIO_FNS_H __FILE__ - -/* These functions are in the to-be-removed category and it is strongly - * encouraged not to use these in new code. They will be marked deprecated - * very soon. - * - * Most of the functionality can be either replaced by the gpiocfg calls - * for the s3c platform or by the generic GPIOlib API. - * - * As of 2.6.35-rc, these will be removed, with the few drivers using them - * either replaced or given a wrapper until the calls can be removed. -*/ - -#include <plat/gpio-cfg.h> - -static inline void s3c2410_gpio_cfgpin(unsigned int pin, unsigned int cfg) -{ - /* 1:1 mapping between cfgpin and setcfg calls at the moment */ - s3c_gpio_cfgpin(pin, cfg); -} - -/* external functions for GPIO support - * - * These allow various different clients to access the same GPIO - * registers without conflicting. If your driver only owns the entire - * GPIO register, then it is safe to ioremap/__raw_{read|write} to it. -*/ - -extern unsigned int s3c2410_gpio_getcfg(unsigned int pin); - -/* s3c2410_gpio_getirq - * - * turn the given pin number into the corresponding IRQ number - * - * returns: - * < 0 = no interrupt for this pin - * >=0 = interrupt number for the pin -*/ - -extern int s3c2410_gpio_getirq(unsigned int pin); - -/* s3c2410_gpio_irqfilter - * - * set the irq filtering on the given pin - * - * on = 0 => disable filtering - * 1 => enable filtering - * - * config = S3C2410_EINTFLT_PCLK or S3C2410_EINTFLT_EXTCLK orred with - * width of filter (0 through 63) - * - * -*/ - -extern int s3c2410_gpio_irqfilter(unsigned int pin, unsigned int on, - unsigned int config); - -/* s3c2410_gpio_pullup - * - * This call should be replaced with s3c_gpio_setpull(). - * - * As a note, there is currently no distinction between pull-up and pull-down - * in the s3c24xx series devices with only an on/off configuration. - */ - -/* s3c2410_gpio_pullup - * - * configure the pull-up control on the given pin - * - * to = 1 => disable the pull-up - * 0 => enable the pull-up - * - * eg; - * - * s3c2410_gpio_pullup(S3C2410_GPB(0), 0); - * s3c2410_gpio_pullup(S3C2410_GPE(8), 0); -*/ - -extern void s3c2410_gpio_pullup(unsigned int pin, unsigned int to); - -extern void s3c2410_gpio_setpin(unsigned int pin, unsigned int to); - -extern unsigned int s3c2410_gpio_getpin(unsigned int pin); - -#endif /* __MACH_GPIO_FNS_H */ +#include <plat/gpio-fns.h> diff --git a/arch/arm/mach-s3c2410/include/mach/gpio-track.h b/arch/arm/mach-s3c2410/include/mach/gpio-track.h index d67819dde42a..c410a078622c 100644 --- a/arch/arm/mach-s3c2410/include/mach/gpio-track.h +++ b/arch/arm/mach-s3c2410/include/mach/gpio-track.h @@ -17,11 +17,11 @@ #include <mach/regs-gpio.h> -extern struct s3c_gpio_chip s3c24xx_gpios[]; +extern struct samsung_gpio_chip s3c24xx_gpios[]; -static inline struct s3c_gpio_chip *s3c_gpiolib_getchip(unsigned int pin) +static inline struct samsung_gpio_chip *samsung_gpiolib_getchip(unsigned int pin) { - struct s3c_gpio_chip *chip; + struct samsung_gpio_chip *chip; if (pin > S3C_GPIO_END) return NULL; diff --git a/arch/arm/mach-s3c2410/include/mach/pm-core.h b/arch/arm/mach-s3c2410/include/mach/pm-core.h index 45eea5210c87..2eef7e6f7675 100644 --- a/arch/arm/mach-s3c2410/include/mach/pm-core.h +++ b/arch/arm/mach-s3c2410/include/mach/pm-core.h @@ -64,4 +64,4 @@ static inline void s3c_pm_arch_update_uart(void __iomem *regs, } static inline void s3c_pm_restored_gpios(void) { } -static inline void s3c_pm_saved_gpios(void) { } +static inline void samsung_pm_saved_gpios(void) { } diff --git a/arch/arm/mach-s3c2410/include/mach/regs-s3c2443-clock.h b/arch/arm/mach-s3c2410/include/mach/regs-s3c2443-clock.h index 5e06c7265835..df6434f326f0 100644 --- a/arch/arm/mach-s3c2410/include/mach/regs-s3c2443-clock.h +++ b/arch/arm/mach-s3c2410/include/mach/regs-s3c2443-clock.h @@ -102,6 +102,7 @@ #define S3C2443_PCLKCON_UART3 (1<<3) #define S3C2443_PCLKCON_IIC (1<<4) #define S3C2443_PCLKCON_SDI (1<<5) +#define S3C2443_PCLKCON_HSSPI (1<<6) #define S3C2443_PCLKCON_ADC (1<<7) #define S3C2443_PCLKCON_AC97 (1<<8) #define S3C2443_PCLKCON_IIS (1<<9) diff --git a/arch/arm/mach-s3c2410/s3c2410.c b/arch/arm/mach-s3c2410/s3c2410.c index f1d3bd8f6f17..a99c2f4a523f 100644 --- a/arch/arm/mach-s3c2410/s3c2410.c +++ b/arch/arm/mach-s3c2410/s3c2410.c @@ -72,8 +72,8 @@ void __init s3c2410_init_uarts(struct s3c2410_uartcfg *cfg, int no) void __init s3c2410_map_io(void) { - s3c24xx_gpiocfg_default.set_pull = s3c_gpio_setpull_1up; - s3c24xx_gpiocfg_default.get_pull = s3c_gpio_getpull_1up; + s3c24xx_gpiocfg_default.set_pull = s3c24xx_gpio_setpull_1up; + s3c24xx_gpiocfg_default.get_pull = s3c24xx_gpio_getpull_1up; iotable_init(s3c2410_iodesc, ARRAY_SIZE(s3c2410_iodesc)); } diff --git a/arch/arm/mach-s3c2412/dma.c b/arch/arm/mach-s3c2412/dma.c index c61e3261615d..d2a7d5ef3e67 100644 --- a/arch/arm/mach-s3c2412/dma.c +++ b/arch/arm/mach-s3c2412/dma.c @@ -130,11 +130,11 @@ static struct s3c24xx_dma_map __initdata s3c2412_dma_mappings[] = { static void s3c2412_dma_direction(struct s3c2410_dma_chan *chan, struct s3c24xx_dma_map *map, - enum s3c2410_dmasrc dir) + enum dma_data_direction dir) { unsigned long chsel; - if (dir == S3C2410_DMASRC_HW) + if (dir == DMA_FROM_DEVICE) chsel = map->channels_rx[0]; else chsel = map->channels[0]; diff --git a/arch/arm/mach-s3c2412/gpio.c b/arch/arm/mach-s3c2412/gpio.c new file mode 100644 index 000000000000..4526f6ba31a8 --- /dev/null +++ b/arch/arm/mach-s3c2412/gpio.c @@ -0,0 +1,62 @@ +/* linux/arch/arm/mach-s3c2412/gpio.c + * + * Copyright (c) 2007 Simtec Electronics + * Ben Dooks <ben@simtec.co.uk> + * + * http://armlinux.simtec.co.uk/. + * + * S3C2412/S3C2413 specific GPIO support + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. +*/ + +#include <linux/kernel.h> +#include <linux/types.h> +#include <linux/module.h> +#include <linux/interrupt.h> +#include <linux/gpio.h> + +#include <asm/mach/arch.h> +#include <asm/mach/map.h> + +#include <mach/regs-gpio.h> +#include <mach/hardware.h> + +#include <plat/gpio-core.h> + +int s3c2412_gpio_set_sleepcfg(unsigned int pin, unsigned int state) +{ + struct samsung_gpio_chip *chip = samsung_gpiolib_getchip(pin); + unsigned long offs = pin - chip->chip.base; + unsigned long flags; + unsigned long slpcon; + + offs *= 2; + + if (pin < S3C2410_GPB(0)) + return -EINVAL; + + if (pin >= S3C2410_GPF(0) && + pin <= S3C2410_GPG(16)) + return -EINVAL; + + if (pin > S3C2410_GPH(16)) + return -EINVAL; + + local_irq_save(flags); + + slpcon = __raw_readl(chip->base + 0x0C); + + slpcon &= ~(3 << offs); + slpcon |= state << offs; + + __raw_writel(slpcon, chip->base + 0x0C); + + local_irq_restore(flags); + + return 0; +} + +EXPORT_SYMBOL(s3c2412_gpio_set_sleepcfg); diff --git a/arch/arm/mach-s3c2416/Kconfig b/arch/arm/mach-s3c2416/Kconfig index 69b48a7d1dbd..84c7b03e5a30 100644 --- a/arch/arm/mach-s3c2416/Kconfig +++ b/arch/arm/mach-s3c2416/Kconfig @@ -13,7 +13,6 @@ config CPU_S3C2416 select CPU_ARM926T select S3C2416_DMA if S3C2410_DMA select CPU_LLSERIAL_S3C2440 - select S3C_GPIO_PULL_UPDOWN select SAMSUNG_CLKSRC select S3C2443_CLOCK help diff --git a/arch/arm/mach-s3c2416/clock.c b/arch/arm/mach-s3c2416/clock.c index c7b91d09fef5..72b7c6274c79 100644 --- a/arch/arm/mach-s3c2416/clock.c +++ b/arch/arm/mach-s3c2416/clock.c @@ -37,6 +37,32 @@ static unsigned int armdiv[8] = { [7] = 8, }; +static struct clksrc_clk hsspi_eplldiv = { + .clk = { + .name = "hsspi-eplldiv", + .parent = &clk_esysclk.clk, + .ctrlbit = (1 << 14), + .enable = s3c2443_clkcon_enable_s, + }, + .reg_div = { .reg = S3C2443_CLKDIV1, .size = 2, .shift = 24 }, +}; + +static struct clk *hsspi_sources[] = { + [0] = &hsspi_eplldiv.clk, + [1] = NULL, /* to fix */ +}; + +static struct clksrc_clk hsspi_mux = { + .clk = { + .name = "hsspi-if", + }, + .sources = &(struct clksrc_sources) { + .sources = hsspi_sources, + .nr_sources = ARRAY_SIZE(hsspi_sources), + }, + .reg_src = { .reg = S3C2443_CLKSRC, .size = 1, .shift = 18 }, +}; + static struct clksrc_clk hsmmc_div[] = { [0] = { .clk = { @@ -113,6 +139,8 @@ void __init_or_cpufreq s3c2416_setup_clocks(void) static struct clksrc_clk *clksrcs[] __initdata = { + &hsspi_eplldiv, + &hsspi_mux, &hsmmc_div[0], &hsmmc_div[1], &hsmmc_mux[0], diff --git a/arch/arm/mach-s3c2416/s3c2416.c b/arch/arm/mach-s3c2416/s3c2416.c index 494ce913dc95..3156b7a71371 100644 --- a/arch/arm/mach-s3c2416/s3c2416.c +++ b/arch/arm/mach-s3c2416/s3c2416.c @@ -118,8 +118,8 @@ void __init s3c2416_init_uarts(struct s3c2410_uartcfg *cfg, int no) void __init s3c2416_map_io(void) { - s3c24xx_gpiocfg_default.set_pull = s3c_gpio_setpull_updown; - s3c24xx_gpiocfg_default.get_pull = s3c_gpio_getpull_updown; + s3c24xx_gpiocfg_default.set_pull = samsung_gpio_setpull_updown; + s3c24xx_gpiocfg_default.get_pull = samsung_gpio_getpull_updown; /* initialize device information early */ s3c2416_default_sdhci0(); diff --git a/arch/arm/mach-s3c2440/Kconfig b/arch/arm/mach-s3c2440/Kconfig index c461fb8e15c0..914e620f1257 100644 --- a/arch/arm/mach-s3c2440/Kconfig +++ b/arch/arm/mach-s3c2440/Kconfig @@ -5,7 +5,6 @@ config CPU_S3C2440 bool select CPU_ARM920T - select S3C_GPIO_PULL_UP select S3C2410_CLOCK select S3C2410_PM if PM select S3C2440_DMA if S3C2410_DMA @@ -17,7 +16,6 @@ config CPU_S3C2440 config CPU_S3C2442 bool select CPU_ARM920T - select S3C_GPIO_PULL_DOWN select S3C2410_CLOCK select S3C2410_PM if PM select CPU_S3C244X diff --git a/arch/arm/mach-s3c2440/s3c2440.c b/arch/arm/mach-s3c2440/s3c2440.c index ce99ff72838d..fc84e481efcf 100644 --- a/arch/arm/mach-s3c2440/s3c2440.c +++ b/arch/arm/mach-s3c2440/s3c2440.c @@ -68,6 +68,6 @@ void __init s3c2440_map_io(void) { s3c244x_map_io(); - s3c24xx_gpiocfg_default.set_pull = s3c_gpio_setpull_1up; - s3c24xx_gpiocfg_default.get_pull = s3c_gpio_getpull_1up; + s3c24xx_gpiocfg_default.set_pull = s3c24xx_gpio_setpull_1up; + s3c24xx_gpiocfg_default.get_pull = s3c24xx_gpio_getpull_1up; } diff --git a/arch/arm/mach-s3c2440/s3c2442.c b/arch/arm/mach-s3c2440/s3c2442.c index 9ad99f8016a1..48e273ce9f9a 100644 --- a/arch/arm/mach-s3c2440/s3c2442.c +++ b/arch/arm/mach-s3c2440/s3c2442.c @@ -180,6 +180,6 @@ void __init s3c2442_map_io(void) { s3c244x_map_io(); - s3c24xx_gpiocfg_default.set_pull = s3c_gpio_setpull_1down; - s3c24xx_gpiocfg_default.get_pull = s3c_gpio_getpull_1down; + s3c24xx_gpiocfg_default.set_pull = s3c24xx_gpio_setpull_1down; + s3c24xx_gpiocfg_default.get_pull = s3c24xx_gpio_getpull_1down; } diff --git a/arch/arm/mach-s3c2443/Kconfig b/arch/arm/mach-s3c2443/Kconfig index d8eb86823df7..8814031516ce 100644 --- a/arch/arm/mach-s3c2443/Kconfig +++ b/arch/arm/mach-s3c2443/Kconfig @@ -10,7 +10,6 @@ config CPU_S3C2443 select CPU_LLSERIAL_S3C2440 select SAMSUNG_CLKSRC select S3C2443_CLOCK - select S3C_GPIO_PULL_S3C2443 help Support for the S3C2443 SoC from the S3C24XX line diff --git a/arch/arm/mach-s3c2443/clock.c b/arch/arm/mach-s3c2443/clock.c index a1a7176675b9..cd51d04e1de7 100644 --- a/arch/arm/mach-s3c2443/clock.c +++ b/arch/arm/mach-s3c2443/clock.c @@ -57,10 +57,6 @@ /* clock selections */ -static struct clk clk_i2s_ext = { - .name = "i2s-ext", -}; - /* armdiv * * this clock is sourced from msysclk and can have a number of @@ -128,7 +124,7 @@ static int s3c2443_armclk_setrate(struct clk *clk, unsigned long rate) unsigned long clkcon0; clkcon0 = __raw_readl(S3C2443_CLKDIV0); - clkcon0 &= S3C2443_CLKDIV0_ARMDIV_MASK; + clkcon0 &= ~S3C2443_CLKDIV0_ARMDIV_MASK; clkcon0 |= val << S3C2443_CLKDIV0_ARMDIV_SHIFT; __raw_writel(clkcon0, S3C2443_CLKDIV0); } @@ -173,7 +169,7 @@ static struct clksrc_clk clk_arm = { static struct clksrc_clk clk_hsspi = { .clk = { - .name = "hsspi", + .name = "hsspi-if", .parent = &clk_esysclk.clk, .ctrlbit = S3C2443_SCLKCON_HSSPICLK, .enable = s3c2443_clkcon_enable_s, @@ -235,48 +231,6 @@ static struct clk clk_hsmmc = { }, }; -/* i2s_eplldiv - * - * This clock is the output from the I2S divisor of ESYSCLK, and is separate - * from the mux that comes after it (cannot merge into one single clock) -*/ - -static struct clksrc_clk clk_i2s_eplldiv = { - .clk = { - .name = "i2s-eplldiv", - .parent = &clk_esysclk.clk, - }, - .reg_div = { .reg = S3C2443_CLKDIV1, .size = 4, .shift = 12, }, -}; - -/* i2s-ref - * - * i2s bus reference clock, selectable from external, esysclk or epllref - * - * Note, this used to be two clocks, but was compressed into one. -*/ - -struct clk *clk_i2s_srclist[] = { - [0] = &clk_i2s_eplldiv.clk, - [1] = &clk_i2s_ext, - [2] = &clk_epllref.clk, - [3] = &clk_epllref.clk, -}; - -static struct clksrc_clk clk_i2s = { - .clk = { - .name = "i2s-if", - .ctrlbit = S3C2443_SCLKCON_I2SCLK, - .enable = s3c2443_clkcon_enable_s, - - }, - .sources = &(struct clksrc_sources) { - .sources = clk_i2s_srclist, - .nr_sources = ARRAY_SIZE(clk_i2s_srclist), - }, - .reg_src = { .reg = S3C2443_CLKSRC, .size = 2, .shift = 14 }, -}; - /* standard clock definitions */ static struct clk init_clocks_off[] = { @@ -286,11 +240,6 @@ static struct clk init_clocks_off[] = { .enable = s3c2443_clkcon_enable_p, .ctrlbit = S3C2443_PCLKCON_SDI, }, { - .name = "iis", - .parent = &clk_p, - .enable = s3c2443_clkcon_enable_p, - .ctrlbit = S3C2443_PCLKCON_IIS, - }, { .name = "spi", .devname = "s3c2410-spi.0", .parent = &clk_p, @@ -312,8 +261,6 @@ static struct clk init_clocks[] = { static struct clksrc_clk *clksrcs[] __initdata = { &clk_arm, - &clk_i2s_eplldiv, - &clk_i2s, &clk_hsspi, &clk_hsmmc_div, }; diff --git a/arch/arm/mach-s3c2443/s3c2443.c b/arch/arm/mach-s3c2443/s3c2443.c index e6a28ba52c7d..5df6458ddd42 100644 --- a/arch/arm/mach-s3c2443/s3c2443.c +++ b/arch/arm/mach-s3c2443/s3c2443.c @@ -90,8 +90,8 @@ void __init s3c2443_init_uarts(struct s3c2410_uartcfg *cfg, int no) void __init s3c2443_map_io(void) { - s3c24xx_gpiocfg_default.set_pull = s3c_gpio_setpull_s3c2443; - s3c24xx_gpiocfg_default.get_pull = s3c_gpio_getpull_s3c2443; + s3c24xx_gpiocfg_default.set_pull = s3c2443_gpio_setpull; + s3c24xx_gpiocfg_default.get_pull = s3c2443_gpio_getpull; iotable_init(s3c2443_iodesc, ARRAY_SIZE(s3c2443_iodesc)); } diff --git a/arch/arm/mach-s3c64xx/Kconfig b/arch/arm/mach-s3c64xx/Kconfig index f057b6ae4f90..5552e048c2be 100644 --- a/arch/arm/mach-s3c64xx/Kconfig +++ b/arch/arm/mach-s3c64xx/Kconfig @@ -288,5 +288,6 @@ config MACH_WLF_CRAGG_6410 select S3C_DEV_RTC select S3C64XX_DEV_SPI select S3C24XX_GPIO_EXTRA128 + select I2C help Machine support for the Wolfson Cragganmore S3C6410 variant. diff --git a/arch/arm/mach-s3c64xx/Makefile b/arch/arm/mach-s3c64xx/Makefile index 61b4034a0c22..902ab9ace93b 100644 --- a/arch/arm/mach-s3c64xx/Makefile +++ b/arch/arm/mach-s3c64xx/Makefile @@ -13,7 +13,6 @@ obj- := # Core files obj-y += cpu.o obj-y += clock.o -obj-y += gpiolib.o # Core support for S3C6400 system @@ -55,7 +54,7 @@ obj-$(CONFIG_MACH_HMT) += mach-hmt.o obj-$(CONFIG_MACH_SMARTQ) += mach-smartq.o obj-$(CONFIG_MACH_SMARTQ5) += mach-smartq5.o obj-$(CONFIG_MACH_SMARTQ7) += mach-smartq7.o -obj-$(CONFIG_MACH_WLF_CRAGG_6410) += mach-crag6410.o +obj-$(CONFIG_MACH_WLF_CRAGG_6410) += mach-crag6410.o mach-crag6410-module.o # device support diff --git a/arch/arm/mach-s3c64xx/clock.c b/arch/arm/mach-s3c64xx/clock.c index 4adc51ceb513..39c238d7a3dc 100644 --- a/arch/arm/mach-s3c64xx/clock.c +++ b/arch/arm/mach-s3c64xx/clock.c @@ -745,7 +745,13 @@ void __init_or_cpufreq s3c6400_setup_clocks(void) printk(KERN_INFO "S3C64XX: PLL settings, A=%ld, M=%ld, E=%ld\n", apll, mpll, epll); - hclk2 = mpll / GET_DIV(clkdiv0, S3C6400_CLKDIV0_HCLK2); + if(__raw_readl(S3C64XX_OTHERS) & S3C64XX_OTHERS_SYNCMUXSEL) + /* Synchronous mode */ + hclk2 = apll / GET_DIV(clkdiv0, S3C6400_CLKDIV0_HCLK2); + else + /* Asynchronous mode */ + hclk2 = mpll / GET_DIV(clkdiv0, S3C6400_CLKDIV0_HCLK2); + hclk = hclk2 / GET_DIV(clkdiv0, S3C6400_CLKDIV0_HCLK); pclk = hclk2 / GET_DIV(clkdiv0, S3C6400_CLKDIV0_PCLK); diff --git a/arch/arm/mach-s3c64xx/cpu.c b/arch/arm/mach-s3c64xx/cpu.c index f06f33c48b8f..cefd7f6dd4f3 100644 --- a/arch/arm/mach-s3c64xx/cpu.c +++ b/arch/arm/mach-s3c64xx/cpu.c @@ -43,16 +43,16 @@ static const char name_s3c6410[] = "S3C6410"; static struct cpu_table cpu_ids[] __initdata = { { - .idcode = 0x36400000, - .idmask = 0xfffff000, + .idcode = S3C6400_CPU_ID, + .idmask = S3C64XX_CPU_MASK, .map_io = s3c6400_map_io, .init_clocks = s3c6400_init_clocks, .init_uarts = s3c6400_init_uarts, .init = s3c6400_init, .name = name_s3c6400, }, { - .idcode = 0x36410100, - .idmask = 0xffffff00, + .idcode = S3C6410_CPU_ID, + .idmask = S3C64XX_CPU_MASK, .map_io = s3c6410_map_io, .init_clocks = s3c6410_init_clocks, .init_uarts = s3c6410_init_uarts, @@ -140,22 +140,14 @@ void __init s3c6400_common_init_uarts(struct s3c2410_uartcfg *cfg, int no) void __init s3c64xx_init_io(struct map_desc *mach_desc, int size) { - unsigned long idcode; - /* initialise the io descriptors we need for initialisation */ iotable_init(s3c_iodesc, ARRAY_SIZE(s3c_iodesc)); iotable_init(mach_desc, size); - idcode = __raw_readl(S3C_VA_SYS + 0x118); - if (!idcode) { - /* S3C6400 has the ID register in a different place, - * and needs a write before it can be read. */ - - __raw_writel(0x0, S3C_VA_SYS + 0xA1C); - idcode = __raw_readl(S3C_VA_SYS + 0xA1C); - } + /* detect cpu id */ + s3c64xx_init_cpu(); - s3c_init_cpu(idcode, cpu_ids, ARRAY_SIZE(cpu_ids)); + s3c_init_cpu(samsung_cpu_id, cpu_ids, ARRAY_SIZE(cpu_ids)); } static __init int s3c64xx_sysdev_init(void) diff --git a/arch/arm/mach-s3c64xx/dma.c b/arch/arm/mach-s3c64xx/dma.c index 204bfafe4bfc..17d62f4f8204 100644 --- a/arch/arm/mach-s3c64xx/dma.c +++ b/arch/arm/mach-s3c64xx/dma.c @@ -147,14 +147,14 @@ static void s3c64xx_dma_fill_lli(struct s3c2410_dma_chan *chan, u32 control0, control1; switch (chan->source) { - case S3C2410_DMASRC_HW: + case DMA_FROM_DEVICE: src = chan->dev_addr; dst = data; control0 = PL080_CONTROL_SRC_AHB2; control0 |= PL080_CONTROL_DST_INCR; break; - case S3C2410_DMASRC_MEM: + case DMA_TO_DEVICE: src = data; dst = chan->dev_addr; control0 = PL080_CONTROL_DST_AHB2; @@ -416,7 +416,7 @@ EXPORT_SYMBOL(s3c2410_dma_enqueue); int s3c2410_dma_devconfig(enum dma_ch channel, - enum s3c2410_dmasrc source, + enum dma_data_direction source, unsigned long devaddr) { struct s3c2410_dma_chan *chan = s3c_dma_lookup_channel(channel); @@ -437,11 +437,11 @@ int s3c2410_dma_devconfig(enum dma_ch channel, pr_debug("%s: peripheral %d\n", __func__, peripheral); switch (source) { - case S3C2410_DMASRC_HW: + case DMA_FROM_DEVICE: config = 2 << PL080_CONFIG_FLOW_CONTROL_SHIFT; config |= peripheral << PL080_CONFIG_SRC_SEL_SHIFT; break; - case S3C2410_DMASRC_MEM: + case DMA_TO_DEVICE: config = 1 << PL080_CONFIG_FLOW_CONTROL_SHIFT; config |= peripheral << PL080_CONFIG_DST_SEL_SHIFT; break; @@ -740,7 +740,7 @@ static int __init s3c64xx_dma_init(void) } /* Set all DMA configuration to be DMA, not SDMA */ - writel(0xffffff, S3C_SYSREG(0x110)); + writel(0xffffff, S3C64XX_SDMA_SEL); /* Register standard DMA controllers */ s3c64xx_dma_init1(0, DMACH_UART0, IRQ_DMA0, 0x75000000); diff --git a/arch/arm/mach-s3c64xx/gpiolib.c b/arch/arm/mach-s3c64xx/gpiolib.c deleted file mode 100644 index 92b09085caaa..000000000000 --- a/arch/arm/mach-s3c64xx/gpiolib.c +++ /dev/null @@ -1,290 +0,0 @@ -/* arch/arm/plat-s3c64xx/gpiolib.c - * - * Copyright 2008 Openmoko, Inc. - * Copyright 2008 Simtec Electronics - * Ben Dooks <ben@simtec.co.uk> - * http://armlinux.simtec.co.uk/ - * - * S3C64XX - GPIOlib support - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - */ - -#include <linux/kernel.h> -#include <linux/irq.h> -#include <linux/io.h> -#include <linux/gpio.h> - -#include <mach/map.h> - -#include <plat/gpio-core.h> -#include <plat/gpio-cfg.h> -#include <plat/gpio-cfg-helpers.h> -#include <mach/regs-gpio.h> - -/* GPIO bank summary: - * - * Bank GPIOs Style SlpCon ExtInt Group - * A 8 4Bit Yes 1 - * B 7 4Bit Yes 1 - * C 8 4Bit Yes 2 - * D 5 4Bit Yes 3 - * E 5 4Bit Yes None - * F 16 2Bit Yes 4 [1] - * G 7 4Bit Yes 5 - * H 10 4Bit[2] Yes 6 - * I 16 2Bit Yes None - * J 12 2Bit Yes None - * K 16 4Bit[2] No None - * L 15 4Bit[2] No None - * M 6 4Bit No IRQ_EINT - * N 16 2Bit No IRQ_EINT - * O 16 2Bit Yes 7 - * P 15 2Bit Yes 8 - * Q 9 2Bit Yes 9 - * - * [1] BANKF pins 14,15 do not form part of the external interrupt sources - * [2] BANK has two control registers, GPxCON0 and GPxCON1 - */ - -static struct s3c_gpio_cfg gpio_4bit_cfg_noint = { - .set_config = s3c_gpio_setcfg_s3c64xx_4bit, - .get_config = s3c_gpio_getcfg_s3c64xx_4bit, - .set_pull = s3c_gpio_setpull_updown, - .get_pull = s3c_gpio_getpull_updown, -}; - -static struct s3c_gpio_cfg gpio_4bit_cfg_eint0111 = { - .cfg_eint = 7, - .set_config = s3c_gpio_setcfg_s3c64xx_4bit, - .get_config = s3c_gpio_getcfg_s3c64xx_4bit, - .set_pull = s3c_gpio_setpull_updown, - .get_pull = s3c_gpio_getpull_updown, -}; - -static struct s3c_gpio_cfg gpio_4bit_cfg_eint0011 = { - .cfg_eint = 3, - .get_config = s3c_gpio_getcfg_s3c64xx_4bit, - .set_config = s3c_gpio_setcfg_s3c64xx_4bit, - .set_pull = s3c_gpio_setpull_updown, - .get_pull = s3c_gpio_getpull_updown, -}; - -static int s3c64xx_gpio2int_gpm(struct gpio_chip *chip, unsigned pin) -{ - return pin < 5 ? IRQ_EINT(23) + pin : -ENXIO; -} - -static struct s3c_gpio_chip gpio_4bit[] = { - { - .base = S3C64XX_GPA_BASE, - .config = &gpio_4bit_cfg_eint0111, - .chip = { - .base = S3C64XX_GPA(0), - .ngpio = S3C64XX_GPIO_A_NR, - .label = "GPA", - }, - }, { - .base = S3C64XX_GPB_BASE, - .config = &gpio_4bit_cfg_eint0111, - .chip = { - .base = S3C64XX_GPB(0), - .ngpio = S3C64XX_GPIO_B_NR, - .label = "GPB", - }, - }, { - .base = S3C64XX_GPC_BASE, - .config = &gpio_4bit_cfg_eint0111, - .chip = { - .base = S3C64XX_GPC(0), - .ngpio = S3C64XX_GPIO_C_NR, - .label = "GPC", - }, - }, { - .base = S3C64XX_GPD_BASE, - .config = &gpio_4bit_cfg_eint0111, - .chip = { - .base = S3C64XX_GPD(0), - .ngpio = S3C64XX_GPIO_D_NR, - .label = "GPD", - }, - }, { - .base = S3C64XX_GPE_BASE, - .config = &gpio_4bit_cfg_noint, - .chip = { - .base = S3C64XX_GPE(0), - .ngpio = S3C64XX_GPIO_E_NR, - .label = "GPE", - }, - }, { - .base = S3C64XX_GPG_BASE, - .config = &gpio_4bit_cfg_eint0111, - .chip = { - .base = S3C64XX_GPG(0), - .ngpio = S3C64XX_GPIO_G_NR, - .label = "GPG", - }, - }, { - .base = S3C64XX_GPM_BASE, - .config = &gpio_4bit_cfg_eint0011, - .chip = { - .base = S3C64XX_GPM(0), - .ngpio = S3C64XX_GPIO_M_NR, - .label = "GPM", - .to_irq = s3c64xx_gpio2int_gpm, - }, - }, -}; - -static int s3c64xx_gpio2int_gpl(struct gpio_chip *chip, unsigned pin) -{ - return pin >= 8 ? IRQ_EINT(16) + pin - 8 : -ENXIO; -} - -static struct s3c_gpio_chip gpio_4bit2[] = { - { - .base = S3C64XX_GPH_BASE + 0x4, - .config = &gpio_4bit_cfg_eint0111, - .chip = { - .base = S3C64XX_GPH(0), - .ngpio = S3C64XX_GPIO_H_NR, - .label = "GPH", - }, - }, { - .base = S3C64XX_GPK_BASE + 0x4, - .config = &gpio_4bit_cfg_noint, - .chip = { - .base = S3C64XX_GPK(0), - .ngpio = S3C64XX_GPIO_K_NR, - .label = "GPK", - }, - }, { - .base = S3C64XX_GPL_BASE + 0x4, - .config = &gpio_4bit_cfg_eint0011, - .chip = { - .base = S3C64XX_GPL(0), - .ngpio = S3C64XX_GPIO_L_NR, - .label = "GPL", - .to_irq = s3c64xx_gpio2int_gpl, - }, - }, -}; - -static struct s3c_gpio_cfg gpio_2bit_cfg_noint = { - .set_config = s3c_gpio_setcfg_s3c24xx, - .get_config = s3c_gpio_getcfg_s3c24xx, - .set_pull = s3c_gpio_setpull_updown, - .get_pull = s3c_gpio_getpull_updown, -}; - -static struct s3c_gpio_cfg gpio_2bit_cfg_eint10 = { - .cfg_eint = 2, - .set_config = s3c_gpio_setcfg_s3c24xx, - .get_config = s3c_gpio_getcfg_s3c24xx, - .set_pull = s3c_gpio_setpull_updown, - .get_pull = s3c_gpio_getpull_updown, -}; - -static struct s3c_gpio_cfg gpio_2bit_cfg_eint11 = { - .cfg_eint = 3, - .set_config = s3c_gpio_setcfg_s3c24xx, - .get_config = s3c_gpio_getcfg_s3c24xx, - .set_pull = s3c_gpio_setpull_updown, - .get_pull = s3c_gpio_getpull_updown, -}; - -static struct s3c_gpio_chip gpio_2bit[] = { - { - .base = S3C64XX_GPF_BASE, - .config = &gpio_2bit_cfg_eint11, - .chip = { - .base = S3C64XX_GPF(0), - .ngpio = S3C64XX_GPIO_F_NR, - .label = "GPF", - }, - }, { - .base = S3C64XX_GPI_BASE, - .config = &gpio_2bit_cfg_noint, - .chip = { - .base = S3C64XX_GPI(0), - .ngpio = S3C64XX_GPIO_I_NR, - .label = "GPI", - }, - }, { - .base = S3C64XX_GPJ_BASE, - .config = &gpio_2bit_cfg_noint, - .chip = { - .base = S3C64XX_GPJ(0), - .ngpio = S3C64XX_GPIO_J_NR, - .label = "GPJ", - }, - }, { - .base = S3C64XX_GPN_BASE, - .irq_base = IRQ_EINT(0), - .config = &gpio_2bit_cfg_eint10, - .chip = { - .base = S3C64XX_GPN(0), - .ngpio = S3C64XX_GPIO_N_NR, - .label = "GPN", - .to_irq = samsung_gpiolib_to_irq, - }, - }, { - .base = S3C64XX_GPO_BASE, - .config = &gpio_2bit_cfg_eint11, - .chip = { - .base = S3C64XX_GPO(0), - .ngpio = S3C64XX_GPIO_O_NR, - .label = "GPO", - }, - }, { - .base = S3C64XX_GPP_BASE, - .config = &gpio_2bit_cfg_eint11, - .chip = { - .base = S3C64XX_GPP(0), - .ngpio = S3C64XX_GPIO_P_NR, - .label = "GPP", - }, - }, { - .base = S3C64XX_GPQ_BASE, - .config = &gpio_2bit_cfg_eint11, - .chip = { - .base = S3C64XX_GPQ(0), - .ngpio = S3C64XX_GPIO_Q_NR, - .label = "GPQ", - }, - }, -}; - -static __init void s3c64xx_gpiolib_add_2bit(struct s3c_gpio_chip *chip) -{ - chip->pm = __gpio_pm(&s3c_gpio_pm_2bit); -} - -static __init void s3c64xx_gpiolib_add(struct s3c_gpio_chip *chips, - int nr_chips, - void (*fn)(struct s3c_gpio_chip *)) -{ - for (; nr_chips > 0; nr_chips--, chips++) { - if (fn) - (fn)(chips); - s3c_gpiolib_add(chips); - } -} - -static __init int s3c64xx_gpiolib_init(void) -{ - s3c64xx_gpiolib_add(gpio_4bit, ARRAY_SIZE(gpio_4bit), - samsung_gpiolib_add_4bit); - - s3c64xx_gpiolib_add(gpio_4bit2, ARRAY_SIZE(gpio_4bit2), - samsung_gpiolib_add_4bit2); - - s3c64xx_gpiolib_add(gpio_2bit, ARRAY_SIZE(gpio_2bit), - s3c64xx_gpiolib_add_2bit); - - return 0; -} - -core_initcall(s3c64xx_gpiolib_init); diff --git a/arch/arm/mach-s3c64xx/include/mach/crag6410.h b/arch/arm/mach-s3c64xx/include/mach/crag6410.h new file mode 100644 index 000000000000..be9074e17dfd --- /dev/null +++ b/arch/arm/mach-s3c64xx/include/mach/crag6410.h @@ -0,0 +1,23 @@ +/* Cragganmore 6410 shared definitions + * + * Copyright 2011 Wolfson Microelectronics plc + * Mark Brown <broonie@opensource.wolfsonmicro.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ + +#ifndef MACH_CRAG6410_H +#define MACH_CRAG6410_H + +#include <linux/gpio.h> + +#define BANFF_PMIC_IRQ_BASE IRQ_BOARD_START +#define GLENFARCLAS_PMIC_IRQ_BASE (IRQ_BOARD_START + 64) + +#define PCA935X_GPIO_BASE GPIO_BOARD_START +#define CODEC_GPIO_BASE (GPIO_BOARD_START + 8) +#define GLENFARCLAS_PMIC_GPIO_BASE (GPIO_BOARD_START + 16) + +#endif diff --git a/arch/arm/mach-s3c64xx/include/mach/dma.h b/arch/arm/mach-s3c64xx/include/mach/dma.h index 0a5d9268a23e..fe1a98cf0e4c 100644 --- a/arch/arm/mach-s3c64xx/include/mach/dma.h +++ b/arch/arm/mach-s3c64xx/include/mach/dma.h @@ -58,11 +58,15 @@ enum dma_ch { DMACH_MAX /* the end */ }; -static __inline__ bool s3c_dma_has_circular(void) +static inline bool samsung_dma_has_circular(void) { return true; } +static inline bool samsung_dma_is_dmadev(void) +{ + return false; +} #define S3C2410_DMAF_CIRCULAR (1 << 0) #include <plat/dma.h> @@ -95,7 +99,7 @@ struct s3c2410_dma_chan { unsigned char peripheral; unsigned int flags; - enum s3c2410_dmasrc source; + enum dma_data_direction source; dma_addr_t dev_addr; diff --git a/arch/arm/mach-s3c64xx/include/mach/pm-core.h b/arch/arm/mach-s3c64xx/include/mach/pm-core.h index 38659bebe4b1..fcf3dcabb694 100644 --- a/arch/arm/mach-s3c64xx/include/mach/pm-core.h +++ b/arch/arm/mach-s3c64xx/include/mach/pm-core.h @@ -104,7 +104,7 @@ static inline void s3c_pm_restored_gpios(void) __raw_writel(0, S3C64XX_SLPEN); } -static inline void s3c_pm_saved_gpios(void) +static inline void samsung_pm_saved_gpios(void) { /* turn on the sleep mode and keep it there, as it seems that during * suspend the xCON registers get re-set and thus you can end up with diff --git a/arch/arm/mach-s3c64xx/include/mach/regs-sys.h b/arch/arm/mach-s3c64xx/include/mach/regs-sys.h index 69b78d9f83b8..b91e02093289 100644 --- a/arch/arm/mach-s3c64xx/include/mach/regs-sys.h +++ b/arch/arm/mach-s3c64xx/include/mach/regs-sys.h @@ -21,8 +21,11 @@ #define S3C64XX_AHB_CON1 S3C_SYSREG(0x104) #define S3C64XX_AHB_CON2 S3C_SYSREG(0x108) +#define S3C64XX_SDMA_SEL S3C_SYSREG(0x110) + #define S3C64XX_OTHERS S3C_SYSREG(0x900) #define S3C64XX_OTHERS_USBMASK (1 << 16) +#define S3C64XX_OTHERS_SYNCMUXSEL (1 << 6) #endif /* _PLAT_REGS_SYS_H */ diff --git a/arch/arm/mach-s3c64xx/mach-crag6410-module.c b/arch/arm/mach-s3c64xx/mach-crag6410-module.c new file mode 100644 index 000000000000..66668565ee75 --- /dev/null +++ b/arch/arm/mach-s3c64xx/mach-crag6410-module.c @@ -0,0 +1,182 @@ +/* Speyside modules for Cragganmore - board data probing + * + * Copyright 2011 Wolfson Microelectronics plc + * Mark Brown <broonie@opensource.wolfsonmicro.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ + +#include <linux/module.h> +#include <linux/interrupt.h> +#include <linux/i2c.h> + +#include <linux/mfd/wm831x/irq.h> +#include <linux/mfd/wm831x/gpio.h> + +#include <sound/wm8996.h> +#include <sound/wm8962.h> +#include <sound/wm9081.h> + +#include <mach/crag6410.h> + +static struct wm8996_retune_mobile_config wm8996_retune[] = { + { + .name = "Sub LPF", + .rate = 48000, + .regs = { + 0x6318, 0x6300, 0x1000, 0x0000, 0x0004, 0x2000, 0xF000, + 0x0000, 0x0004, 0x2000, 0xF000, 0x0000, 0x0004, 0x2000, + 0xF000, 0x0000, 0x0004, 0x1000, 0x0800, 0x4000 + }, + }, + { + .name = "Sub HPF", + .rate = 48000, + .regs = { + 0x000A, 0x6300, 0x1000, 0x0000, 0x0004, 0x2000, 0xF000, + 0x0000, 0x0004, 0x2000, 0xF000, 0x0000, 0x0004, 0x2000, + 0xF000, 0x0000, 0x0004, 0x1000, 0x0800, 0x4000 + }, + }, +}; + +static struct wm8996_pdata wm8996_pdata __initdata = { + .ldo_ena = S3C64XX_GPN(7), + .gpio_base = CODEC_GPIO_BASE, + .micdet_def = 1, + .inl_mode = WM8996_DIFFERRENTIAL_1, + .inr_mode = WM8996_DIFFERRENTIAL_1, + + .irq_flags = IRQF_TRIGGER_RISING, + + .gpio_default = { + 0x8001, /* GPIO1 == ADCLRCLK1 */ + 0x8001, /* GPIO2 == ADCLRCLK2, input due to CPU */ + 0x0141, /* GPIO3 == HP_SEL */ + 0x0002, /* GPIO4 == IRQ */ + 0x020e, /* GPIO5 == CLKOUT */ + }, + + .retune_mobile_cfgs = wm8996_retune, + .num_retune_mobile_cfgs = ARRAY_SIZE(wm8996_retune), +}; + +static struct wm8962_pdata wm8962_pdata __initdata = { + .gpio_init = { + 0, + WM8962_GPIO_FN_OPCLK, + WM8962_GPIO_FN_DMICCLK, + 0, + 0x8000 | WM8962_GPIO_FN_DMICDAT, + WM8962_GPIO_FN_IRQ, /* Open drain mode */ + }, + .irq_active_low = true, +}; + +static struct wm9081_pdata wm9081_pdata __initdata = { + .irq_high = false, + .irq_cmos = false, +}; + +static const struct i2c_board_info wm1254_devs[] = { + { I2C_BOARD_INFO("wm8996", 0x1a), + .platform_data = &wm8996_pdata, + .irq = GLENFARCLAS_PMIC_IRQ_BASE + WM831X_IRQ_GPIO_2, + }, + { I2C_BOARD_INFO("wm9081", 0x6c), + .platform_data = &wm9081_pdata, }, +}; + +static const struct i2c_board_info wm1255_devs[] = { + { I2C_BOARD_INFO("wm5100", 0x1a), + .irq = GLENFARCLAS_PMIC_IRQ_BASE + WM831X_IRQ_GPIO_2, + }, + { I2C_BOARD_INFO("wm9081", 0x6c), + .platform_data = &wm9081_pdata, }, +}; + +static const struct i2c_board_info wm1259_devs[] = { + { I2C_BOARD_INFO("wm8962", 0x1a), + .platform_data = &wm8962_pdata, + .irq = GLENFARCLAS_PMIC_IRQ_BASE + WM831X_IRQ_GPIO_2, + }, +}; + + +static __devinitdata const struct { + u8 id; + const char *name; + const struct i2c_board_info *i2c_devs; + int num_i2c_devs; +} gf_mods[] = { + { .id = 0x01, .name = "1250-EV1 Springbank" }, + { .id = 0x02, .name = "1251-EV1 Jura" }, + { .id = 0x03, .name = "1252-EV1 Glenlivet" }, + { .id = 0x11, .name = "6249-EV2 Glenfarclas", }, + { .id = 0x21, .name = "1275-EV1 Mortlach" }, + { .id = 0x25, .name = "1274-EV1 Glencadam" }, + { .id = 0x31, .name = "1253-EV1 Tomatin", }, + { .id = 0x39, .name = "1254-EV1 Dallas Dhu", + .i2c_devs = wm1254_devs, .num_i2c_devs = ARRAY_SIZE(wm1254_devs) }, + { .id = 0x3a, .name = "1259-EV1 Tobermory", + .i2c_devs = wm1259_devs, .num_i2c_devs = ARRAY_SIZE(wm1259_devs) }, + { .id = 0x3b, .name = "1255-EV1 Kilchoman", + .i2c_devs = wm1255_devs, .num_i2c_devs = ARRAY_SIZE(wm1255_devs) }, + { .id = 0x3c, .name = "1273-EV1 Longmorn" }, +}; + +static __devinit int wlf_gf_module_probe(struct i2c_client *i2c, + const struct i2c_device_id *i2c_id) +{ + int ret, i, j, id, rev; + + ret = i2c_smbus_read_byte_data(i2c, 0); + if (ret < 0) { + dev_err(&i2c->dev, "Failed to read ID: %d\n", ret); + return ret; + } + + id = (ret & 0xfe) >> 2; + rev = ret & 0x3; + for (i = 0; i < ARRAY_SIZE(gf_mods); i++) + if (id == gf_mods[i].id) + break; + + if (i < ARRAY_SIZE(gf_mods)) { + dev_info(&i2c->dev, "%s revision %d\n", + gf_mods[i].name, rev + 1); + for (j = 0; j < gf_mods[i].num_i2c_devs; j++) { + if (!i2c_new_device(i2c->adapter, + &(gf_mods[i].i2c_devs[j]))) + dev_err(&i2c->dev, + "Failed to register dev: %d\n", ret); + } + } else { + dev_warn(&i2c->dev, "Unknown module ID %d revision %d\n", + id, rev); + } + + return 0; +} + +static const struct i2c_device_id wlf_gf_module_id[] = { + { "wlf-gf-module", 0 }, + { } +}; + +static struct i2c_driver wlf_gf_module_driver = { + .driver = { + .name = "wlf-gf-module", + .owner = THIS_MODULE, + }, + .probe = wlf_gf_module_probe, + .id_table = wlf_gf_module_id, +}; + +static int __init wlf_gf_module_register(void) +{ + return i2c_add_driver(&wlf_gf_module_driver); +} +module_init(wlf_gf_module_register); diff --git a/arch/arm/mach-s3c64xx/mach-crag6410.c b/arch/arm/mach-s3c64xx/mach-crag6410.c index c483c983b952..fb3d9cd18156 100644 --- a/arch/arm/mach-s3c64xx/mach-crag6410.c +++ b/arch/arm/mach-s3c64xx/mach-crag6410.c @@ -46,6 +46,7 @@ #include <mach/regs-sys.h> #include <mach/regs-gpio.h> #include <mach/regs-modem.h> +#include <mach/crag6410.h> #include <mach/regs-gpio-memport.h> @@ -65,17 +66,6 @@ #include <plat/iic.h> #include <plat/pm.h> -#include <sound/wm8996.h> -#include <sound/wm8962.h> -#include <sound/wm9081.h> - -#define BANFF_PMIC_IRQ_BASE IRQ_BOARD_START -#define GLENFARCLAS_PMIC_IRQ_BASE (IRQ_BOARD_START + 64) - -#define PCA935X_GPIO_BASE GPIO_BOARD_START -#define CODEC_GPIO_BASE (GPIO_BOARD_START + 8) -#define GLENFARCLAS_PMIC_GPIO_BASE (GPIO_BOARD_START + 16) - /* serial port setup */ #define UCON (S3C2410_UCON_DEFAULT | S3C2410_UCON_UCLK) @@ -287,6 +277,11 @@ static struct platform_device speyside_device = { .id = -1, }; +static struct platform_device lowland_device = { + .name = "lowland", + .id = -1, +}; + static struct platform_device speyside_wm8962_device = { .name = "speyside-wm8962", .id = -1, @@ -295,6 +290,8 @@ static struct platform_device speyside_wm8962_device = { static struct regulator_consumer_supply wallvdd_consumers[] = { REGULATOR_SUPPLY("SPKVDD1", "1-001a"), REGULATOR_SUPPLY("SPKVDD2", "1-001a"), + REGULATOR_SUPPLY("SPKVDDL", "1-001a"), + REGULATOR_SUPPLY("SPKVDDR", "1-001a"), }; static struct regulator_init_data wallvdd_data = { @@ -342,6 +339,7 @@ static struct platform_device *crag6410_devices[] __initdata = { &crag6410_backlight_device, &speyside_device, &speyside_wm8962_device, + &lowland_device, &wallvdd_device, }; @@ -350,6 +348,12 @@ static struct pca953x_platform_data crag6410_pca_data = { .irq_base = 0, }; +/* VDDARM is controlled by DVS1 connected to GPK(0) */ +static struct wm831x_buckv_pdata vddarm_pdata = { + .dvs_control_src = 1, + .dvs_gpio = S3C64XX_GPK(0), +}; + static struct regulator_consumer_supply vddarm_consumers[] __initdata = { REGULATOR_SUPPLY("vddarm", NULL), }; @@ -365,6 +369,7 @@ static struct regulator_init_data vddarm __initdata = { .num_consumer_supplies = ARRAY_SIZE(vddarm_consumers), .consumer_supplies = vddarm_consumers, .supply_regulator = "WALLVDD", + .driver_data = &vddarm_pdata, }; static struct regulator_init_data vddint __initdata = { @@ -500,6 +505,8 @@ static struct wm831x_pdata crag_pmic_pdata __initdata = { .backup = &banff_backup_pdata, .gpio_defaults = { + /* GPIO5: DVS1_REQ - CMOS, DBVDD, active high */ + [4] = WM831X_GPN_DIR | WM831X_GPN_POL | WM831X_GPN_ENA | 0x8, /* GPIO11: Touchscreen data - CMOS, DBVDD, active high*/ [10] = WM831X_GPN_POL | WM831X_GPN_ENA | 0x6, /* GPIO12: Touchscreen pen down - CMOS, DBVDD, active high*/ @@ -557,8 +564,12 @@ static struct regulator_init_data pvdd_1v2 __initdata = { }; static struct regulator_consumer_supply pvdd_1v8_consumers[] __initdata = { + REGULATOR_SUPPLY("LDOVDD", "1-001a"), REGULATOR_SUPPLY("PLLVDD", "1-001a"), REGULATOR_SUPPLY("DBVDD", "1-001a"), + REGULATOR_SUPPLY("DBVDD1", "1-001a"), + REGULATOR_SUPPLY("DBVDD2", "1-001a"), + REGULATOR_SUPPLY("DBVDD3", "1-001a"), REGULATOR_SUPPLY("CPVDD", "1-001a"), REGULATOR_SUPPLY("AVDD2", "1-001a"), REGULATOR_SUPPLY("DCVDD", "1-001a"), @@ -611,81 +622,16 @@ static struct wm831x_pdata glenfarclas_pmic_pdata __initdata = { .disable_touch = true, }; -static struct wm8996_retune_mobile_config wm8996_retune[] = { - { - .name = "Sub LPF", - .rate = 48000, - .regs = { - 0x6318, 0x6300, 0x1000, 0x0000, 0x0004, 0x2000, 0xF000, - 0x0000, 0x0004, 0x2000, 0xF000, 0x0000, 0x0004, 0x2000, - 0xF000, 0x0000, 0x0004, 0x1000, 0x0800, 0x4000 - }, - }, - { - .name = "Sub HPF", - .rate = 48000, - .regs = { - 0x000A, 0x6300, 0x1000, 0x0000, 0x0004, 0x2000, 0xF000, - 0x0000, 0x0004, 0x2000, 0xF000, 0x0000, 0x0004, 0x2000, - 0xF000, 0x0000, 0x0004, 0x1000, 0x0800, 0x4000 - }, - }, -}; - -static struct wm8996_pdata wm8996_pdata __initdata = { - .ldo_ena = S3C64XX_GPN(7), - .gpio_base = CODEC_GPIO_BASE, - .micdet_def = 1, - .inl_mode = WM8996_DIFFERRENTIAL_1, - .inr_mode = WM8996_DIFFERRENTIAL_1, - - .irq_flags = IRQF_TRIGGER_RISING, - - .gpio_default = { - 0x8001, /* GPIO1 == ADCLRCLK1 */ - 0x8001, /* GPIO2 == ADCLRCLK2, input due to CPU */ - 0x0141, /* GPIO3 == HP_SEL */ - 0x0002, /* GPIO4 == IRQ */ - 0x020e, /* GPIO5 == CLKOUT */ - }, - - .retune_mobile_cfgs = wm8996_retune, - .num_retune_mobile_cfgs = ARRAY_SIZE(wm8996_retune), -}; - -static struct wm8962_pdata wm8962_pdata __initdata = { - .gpio_init = { - 0, - WM8962_GPIO_FN_OPCLK, - WM8962_GPIO_FN_DMICCLK, - 0, - 0x8000 | WM8962_GPIO_FN_DMICDAT, - WM8962_GPIO_FN_IRQ, /* Open drain mode */ - }, - .irq_active_low = true, -}; - -static struct wm9081_pdata wm9081_pdata __initdata = { - .irq_high = false, - .irq_cmos = false, -}; - static struct i2c_board_info i2c_devs1[] __initdata = { { I2C_BOARD_INFO("wm8311", 0x34), .irq = S3C_EINT(0), .platform_data = &glenfarclas_pmic_pdata }, + { I2C_BOARD_INFO("wlf-gf-module", 0x24) }, + { I2C_BOARD_INFO("wlf-gf-module", 0x25) }, + { I2C_BOARD_INFO("wlf-gf-module", 0x26) }, + { I2C_BOARD_INFO("wm1250-ev1", 0x27) }, - { I2C_BOARD_INFO("wm8996", 0x1a), - .platform_data = &wm8996_pdata, - .irq = GLENFARCLAS_PMIC_IRQ_BASE + WM831X_IRQ_GPIO_2, - }, - { I2C_BOARD_INFO("wm9081", 0x6c), - .platform_data = &wm9081_pdata, }, - { I2C_BOARD_INFO("wm8962", 0x1a), - .platform_data = &wm8962_pdata, - .irq = GLENFARCLAS_PMIC_IRQ_BASE + WM831X_IRQ_GPIO_2, - }, }; static void __init crag6410_map_io(void) diff --git a/arch/arm/mach-s3c64xx/mach-smdk6410.c b/arch/arm/mach-s3c64xx/mach-smdk6410.c index 51957a113513..a817d629c0e9 100644 --- a/arch/arm/mach-s3c64xx/mach-smdk6410.c +++ b/arch/arm/mach-s3c64xx/mach-smdk6410.c @@ -262,45 +262,6 @@ static struct samsung_keypad_platdata smdk6410_keypad_data __initdata = { .cols = 8, }; -static int smdk6410_backlight_init(struct device *dev) -{ - int ret; - - ret = gpio_request(S3C64XX_GPF(15), "Backlight"); - if (ret) { - printk(KERN_ERR "failed to request GPF for PWM-OUT1\n"); - return ret; - } - - /* Configure GPIO pin with S3C64XX_GPF15_PWM_TOUT1 */ - s3c_gpio_cfgpin(S3C64XX_GPF(15), S3C_GPIO_SFN(2)); - - return 0; -} - -static void smdk6410_backlight_exit(struct device *dev) -{ - s3c_gpio_cfgpin(S3C64XX_GPF(15), S3C_GPIO_OUTPUT); - gpio_free(S3C64XX_GPF(15)); -} - -static struct platform_pwm_backlight_data smdk6410_backlight_data = { - .pwm_id = 1, - .max_brightness = 255, - .dft_brightness = 255, - .pwm_period_ns = 78770, - .init = smdk6410_backlight_init, - .exit = smdk6410_backlight_exit, -}; - -static struct platform_device smdk6410_backlight_device = { - .name = "pwm-backlight", - .dev = { - .parent = &s3c_device_timer[1].dev, - .platform_data = &smdk6410_backlight_data, - }, -}; - static struct map_desc smdk6410_iodesc[] = {}; static struct platform_device *smdk6410_devices[] __initdata = { diff --git a/arch/arm/mach-s3c64xx/pm.c b/arch/arm/mach-s3c64xx/pm.c index 055e2858b0dd..b375cd5c47cb 100644 --- a/arch/arm/mach-s3c64xx/pm.c +++ b/arch/arm/mach-s3c64xx/pm.c @@ -29,6 +29,7 @@ #include <mach/regs-clock.h> #include <mach/regs-syscon-power.h> #include <mach/regs-gpio-memport.h> +#include <mach/regs-modem.h> #ifdef CONFIG_S3C_PM_DEBUG_LED_SMDK void s3c_pm_debug_smdkled(u32 set, u32 clear) @@ -85,6 +86,9 @@ static struct sleep_save misc_save[] = { SAVE_ITEM(S3C64XX_MEM0CONSLP0), SAVE_ITEM(S3C64XX_MEM0CONSLP1), SAVE_ITEM(S3C64XX_MEM1CONSLP), + + SAVE_ITEM(S3C64XX_SDMA_SEL), + SAVE_ITEM(S3C64XX_MODEM_MIFPCON), }; void s3c_pm_configure_extint(void) diff --git a/arch/arm/mach-s5p64x0/Kconfig b/arch/arm/mach-s5p64x0/Kconfig index 65c7518dad7f..e361c41314e9 100644 --- a/arch/arm/mach-s5p64x0/Kconfig +++ b/arch/arm/mach-s5p64x0/Kconfig @@ -9,18 +9,24 @@ if ARCH_S5P64X0 config CPU_S5P6440 bool - select S3C_PL330_DMA + select SAMSUNG_DMADEV select S5P_HRT help Enable S5P6440 CPU support config CPU_S5P6450 bool - select S3C_PL330_DMA + select SAMSUNG_DMADEV select S5P_HRT help Enable S5P6450 CPU support +config S5P64X0_SETUP_FB_24BPP + bool + help + Common setup code for S5P64X0 based boards with a LCD display + through RGB interface. + config S5P64X0_SETUP_I2C1 bool help @@ -31,6 +37,7 @@ config S5P64X0_SETUP_I2C1 config MACH_SMDK6440 bool "SMDK6440" select CPU_S5P6440 + select S3C_DEV_FB select S3C_DEV_I2C1 select S3C_DEV_RTC select S3C_DEV_WDT @@ -39,6 +46,7 @@ config MACH_SMDK6440 select SAMSUNG_DEV_BACKLIGHT select SAMSUNG_DEV_PWM select SAMSUNG_DEV_TS + select S5P64X0_SETUP_FB_24BPP select S5P64X0_SETUP_I2C1 help Machine support for the Samsung SMDK6440 @@ -46,6 +54,7 @@ config MACH_SMDK6440 config MACH_SMDK6450 bool "SMDK6450" select CPU_S5P6450 + select S3C_DEV_FB select S3C_DEV_I2C1 select S3C_DEV_RTC select S3C_DEV_WDT @@ -54,6 +63,7 @@ config MACH_SMDK6450 select SAMSUNG_DEV_BACKLIGHT select SAMSUNG_DEV_PWM select SAMSUNG_DEV_TS + select S5P64X0_SETUP_FB_24BPP select S5P64X0_SETUP_I2C1 help Machine support for the Samsung SMDK6450 diff --git a/arch/arm/mach-s5p64x0/Makefile b/arch/arm/mach-s5p64x0/Makefile index 5f6afdf067ed..eb7468012a37 100644 --- a/arch/arm/mach-s5p64x0/Makefile +++ b/arch/arm/mach-s5p64x0/Makefile @@ -12,7 +12,7 @@ obj- := # Core support for S5P64X0 system -obj-$(CONFIG_ARCH_S5P64X0) += cpu.o init.o clock.o dma.o gpiolib.o +obj-$(CONFIG_ARCH_S5P64X0) += cpu.o init.o clock.o dma.o obj-$(CONFIG_ARCH_S5P64X0) += setup-i2c0.o irq-eint.o obj-$(CONFIG_CPU_S5P6440) += clock-s5p6440.o obj-$(CONFIG_CPU_S5P6450) += clock-s5p6450.o @@ -28,3 +28,4 @@ obj-y += dev-audio.o obj-$(CONFIG_S3C64XX_DEV_SPI) += dev-spi.o obj-$(CONFIG_S5P64X0_SETUP_I2C1) += setup-i2c1.o +obj-$(CONFIG_S5P64X0_SETUP_FB_24BPP) += setup-fb-24bpp.o diff --git a/arch/arm/mach-s5p64x0/clock-s5p6440.c b/arch/arm/mach-s5p64x0/clock-s5p6440.c index 0e9cd3092dd2..c54c65d511f0 100644 --- a/arch/arm/mach-s5p64x0/clock-s5p6440.c +++ b/arch/arm/mach-s5p64x0/clock-s5p6440.c @@ -146,7 +146,8 @@ static struct clk init_clocks_off[] = { .enable = s5p64x0_hclk0_ctrl, .ctrlbit = (1 << 8), }, { - .name = "pdma", + .name = "dma", + .devname = "dma-pl330", .parent = &clk_hclk_low.clk, .enable = s5p64x0_hclk0_ctrl, .ctrlbit = (1 << 12), @@ -499,6 +500,11 @@ static struct clksrc_clk *sysclks[] = { &clk_pclk_low, }; +static struct clk dummy_apb_pclk = { + .name = "apb_pclk", + .id = -1, +}; + void __init_or_cpufreq s5p6440_setup_clocks(void) { struct clk *xtal_clk; @@ -581,5 +587,7 @@ void __init s5p6440_register_clocks(void) s3c_register_clocks(init_clocks_off, ARRAY_SIZE(init_clocks_off)); s3c_disable_clocks(init_clocks_off, ARRAY_SIZE(init_clocks_off)); + s3c24xx_register_clock(&dummy_apb_pclk); + s3c_pwmclk_init(); } diff --git a/arch/arm/mach-s5p64x0/clock-s5p6450.c b/arch/arm/mach-s5p64x0/clock-s5p6450.c index d9dc16cde109..2d04abfba12e 100644 --- a/arch/arm/mach-s5p64x0/clock-s5p6450.c +++ b/arch/arm/mach-s5p64x0/clock-s5p6450.c @@ -179,7 +179,8 @@ static struct clk init_clocks_off[] = { .enable = s5p64x0_hclk0_ctrl, .ctrlbit = (1 << 3), }, { - .name = "pdma", + .name = "dma", + .devname = "dma-pl330", .parent = &clk_hclk_low.clk, .enable = s5p64x0_hclk0_ctrl, .ctrlbit = (1 << 12), @@ -553,6 +554,11 @@ static struct clksrc_clk *sysclks[] = { &clk_sclk_audio0, }; +static struct clk dummy_apb_pclk = { + .name = "apb_pclk", + .id = -1, +}; + void __init_or_cpufreq s5p6450_setup_clocks(void) { struct clk *xtal_clk; @@ -632,5 +638,7 @@ void __init s5p6450_register_clocks(void) s3c_register_clocks(init_clocks_off, ARRAY_SIZE(init_clocks_off)); s3c_disable_clocks(init_clocks_off, ARRAY_SIZE(init_clocks_off)); + s3c24xx_register_clock(&dummy_apb_pclk); + s3c_pwmclk_init(); } diff --git a/arch/arm/mach-s5p64x0/cpu.c b/arch/arm/mach-s5p64x0/cpu.c index a5c00952ea35..617da3b3bfb7 100644 --- a/arch/arm/mach-s5p64x0/cpu.c +++ b/arch/arm/mach-s5p64x0/cpu.c @@ -38,6 +38,7 @@ #include <plat/s5p6440.h> #include <plat/s5p6450.h> #include <plat/adc-core.h> +#include <plat/fb-core.h> /* Initial IO mappings */ @@ -108,6 +109,7 @@ void __init s5p6440_map_io(void) { /* initialize any device information early */ s3c_adc_setname("s3c64xx-adc"); + s3c_fb_setname("s5p64x0-fb"); iotable_init(s5p64x0_iodesc, ARRAY_SIZE(s5p64x0_iodesc)); iotable_init(s5p6440_iodesc, ARRAY_SIZE(s5p6440_iodesc)); @@ -117,6 +119,7 @@ void __init s5p6450_map_io(void) { /* initialize any device information early */ s3c_adc_setname("s3c64xx-adc"); + s3c_fb_setname("s5p64x0-fb"); iotable_init(s5p64x0_iodesc, ARRAY_SIZE(s5p64x0_iodesc)); iotable_init(s5p6450_iodesc, ARRAY_SIZE(s5p6450_iodesc)); diff --git a/arch/arm/mach-s5p64x0/dev-spi.c b/arch/arm/mach-s5p64x0/dev-spi.c index ac825e826326..1fd9c79c7dbc 100644 --- a/arch/arm/mach-s5p64x0/dev-spi.c +++ b/arch/arm/mach-s5p64x0/dev-spi.c @@ -21,6 +21,7 @@ #include <mach/regs-clock.h> #include <mach/spi-clocks.h> +#include <plat/cpu.h> #include <plat/s3c64xx-spi.h> #include <plat/gpio-cfg.h> @@ -185,11 +186,8 @@ struct platform_device s5p64x0_device_spi1 = { void __init s5p64x0_spi_set_info(int cntrlr, int src_clk_nr, int num_cs) { - unsigned int id; struct s3c64xx_spi_info *pd; - id = __raw_readl(S5P64X0_SYS_ID) & 0xFF000; - /* Reject invalid configuration */ if (!num_cs || src_clk_nr < 0 || src_clk_nr > S5P64X0_SPI_SRCCLK_SCLK) { @@ -199,7 +197,7 @@ void __init s5p64x0_spi_set_info(int cntrlr, int src_clk_nr, int num_cs) switch (cntrlr) { case 0: - if (id == 0x50000) + if (soc_is_s5p6450()) pd = &s5p6450_spi0_pdata; else pd = &s5p6440_spi0_pdata; @@ -207,7 +205,7 @@ void __init s5p64x0_spi_set_info(int cntrlr, int src_clk_nr, int num_cs) s5p64x0_device_spi0.dev.platform_data = pd; break; case 1: - if (id == 0x50000) + if (soc_is_s5p6450()) pd = &s5p6450_spi1_pdata; else pd = &s5p6440_spi1_pdata; diff --git a/arch/arm/mach-s5p64x0/dma.c b/arch/arm/mach-s5p64x0/dma.c index d7ad944b3475..442dd4ad12da 100644 --- a/arch/arm/mach-s5p64x0/dma.c +++ b/arch/arm/mach-s5p64x0/dma.c @@ -21,128 +21,218 @@ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ -#include <linux/platform_device.h> #include <linux/dma-mapping.h> +#include <linux/amba/bus.h> +#include <linux/amba/pl330.h> + +#include <asm/irq.h> #include <mach/map.h> #include <mach/irqs.h> #include <mach/regs-clock.h> +#include <mach/dma.h> +#include <plat/cpu.h> #include <plat/devs.h> -#include <plat/s3c-pl330-pdata.h> +#include <plat/irqs.h> static u64 dma_dmamask = DMA_BIT_MASK(32); -static struct resource s5p64x0_pdma_resource[] = { - [0] = { - .start = S5P64X0_PA_PDMA, - .end = S5P64X0_PA_PDMA + SZ_4K, - .flags = IORESOURCE_MEM, - }, - [1] = { - .start = IRQ_DMA0, - .end = IRQ_DMA0, - .flags = IORESOURCE_IRQ, +struct dma_pl330_peri s5p6440_pdma_peri[22] = { + { + .peri_id = (u8)DMACH_UART0_RX, + .rqtype = DEVTOMEM, + }, { + .peri_id = (u8)DMACH_UART0_TX, + .rqtype = MEMTODEV, + }, { + .peri_id = (u8)DMACH_UART1_RX, + .rqtype = DEVTOMEM, + }, { + .peri_id = (u8)DMACH_UART1_TX, + .rqtype = MEMTODEV, + }, { + .peri_id = (u8)DMACH_UART2_RX, + .rqtype = DEVTOMEM, + }, { + .peri_id = (u8)DMACH_UART2_TX, + .rqtype = MEMTODEV, + }, { + .peri_id = (u8)DMACH_UART3_RX, + .rqtype = DEVTOMEM, + }, { + .peri_id = (u8)DMACH_UART3_TX, + .rqtype = MEMTODEV, + }, { + .peri_id = DMACH_MAX, + }, { + .peri_id = DMACH_MAX, + }, { + .peri_id = (u8)DMACH_PCM0_TX, + .rqtype = MEMTODEV, + }, { + .peri_id = (u8)DMACH_PCM0_RX, + .rqtype = DEVTOMEM, + }, { + .peri_id = (u8)DMACH_I2S0_TX, + .rqtype = MEMTODEV, + }, { + .peri_id = (u8)DMACH_I2S0_RX, + .rqtype = DEVTOMEM, + }, { + .peri_id = (u8)DMACH_SPI0_TX, + .rqtype = MEMTODEV, + }, { + .peri_id = (u8)DMACH_SPI0_RX, + .rqtype = DEVTOMEM, + }, { + .peri_id = (u8)DMACH_MAX, + }, { + .peri_id = (u8)DMACH_MAX, + }, { + .peri_id = (u8)DMACH_MAX, + }, { + .peri_id = (u8)DMACH_MAX, + }, { + .peri_id = (u8)DMACH_SPI1_TX, + .rqtype = MEMTODEV, + }, { + .peri_id = (u8)DMACH_SPI1_RX, + .rqtype = DEVTOMEM, }, }; -static struct s3c_pl330_platdata s5p6440_pdma_pdata = { - .peri = { - [0] = DMACH_UART0_RX, - [1] = DMACH_UART0_TX, - [2] = DMACH_UART1_RX, - [3] = DMACH_UART1_TX, - [4] = DMACH_UART2_RX, - [5] = DMACH_UART2_TX, - [6] = DMACH_UART3_RX, - [7] = DMACH_UART3_TX, - [8] = DMACH_MAX, - [9] = DMACH_MAX, - [10] = DMACH_PCM0_TX, - [11] = DMACH_PCM0_RX, - [12] = DMACH_I2S0_TX, - [13] = DMACH_I2S0_RX, - [14] = DMACH_SPI0_TX, - [15] = DMACH_SPI0_RX, - [16] = DMACH_MAX, - [17] = DMACH_MAX, - [18] = DMACH_MAX, - [19] = DMACH_MAX, - [20] = DMACH_SPI1_TX, - [21] = DMACH_SPI1_RX, - [22] = DMACH_MAX, - [23] = DMACH_MAX, - [24] = DMACH_MAX, - [25] = DMACH_MAX, - [26] = DMACH_MAX, - [27] = DMACH_MAX, - [28] = DMACH_MAX, - [29] = DMACH_PWM, - [30] = DMACH_MAX, - [31] = DMACH_MAX, - }, +struct dma_pl330_platdata s5p6440_pdma_pdata = { + .nr_valid_peri = ARRAY_SIZE(s5p6440_pdma_peri), + .peri = s5p6440_pdma_peri, }; -static struct s3c_pl330_platdata s5p6450_pdma_pdata = { - .peri = { - [0] = DMACH_UART0_RX, - [1] = DMACH_UART0_TX, - [2] = DMACH_UART1_RX, - [3] = DMACH_UART1_TX, - [4] = DMACH_UART2_RX, - [5] = DMACH_UART2_TX, - [6] = DMACH_UART3_RX, - [7] = DMACH_UART3_TX, - [8] = DMACH_UART4_RX, - [9] = DMACH_UART4_TX, - [10] = DMACH_PCM0_TX, - [11] = DMACH_PCM0_RX, - [12] = DMACH_I2S0_TX, - [13] = DMACH_I2S0_RX, - [14] = DMACH_SPI0_TX, - [15] = DMACH_SPI0_RX, - [16] = DMACH_PCM1_TX, - [17] = DMACH_PCM1_RX, - [18] = DMACH_PCM2_TX, - [19] = DMACH_PCM2_RX, - [20] = DMACH_SPI1_TX, - [21] = DMACH_SPI1_RX, - [22] = DMACH_USI_TX, - [23] = DMACH_USI_RX, - [24] = DMACH_MAX, - [25] = DMACH_I2S1_TX, - [26] = DMACH_I2S1_RX, - [27] = DMACH_I2S2_TX, - [28] = DMACH_I2S2_RX, - [29] = DMACH_PWM, - [30] = DMACH_UART5_RX, - [31] = DMACH_UART5_TX, +struct dma_pl330_peri s5p6450_pdma_peri[32] = { + { + .peri_id = (u8)DMACH_UART0_RX, + .rqtype = DEVTOMEM, + }, { + .peri_id = (u8)DMACH_UART0_TX, + .rqtype = MEMTODEV, + }, { + .peri_id = (u8)DMACH_UART1_RX, + .rqtype = DEVTOMEM, + }, { + .peri_id = (u8)DMACH_UART1_TX, + .rqtype = MEMTODEV, + }, { + .peri_id = (u8)DMACH_UART2_RX, + .rqtype = DEVTOMEM, + }, { + .peri_id = (u8)DMACH_UART2_TX, + .rqtype = MEMTODEV, + }, { + .peri_id = (u8)DMACH_UART3_RX, + .rqtype = DEVTOMEM, + }, { + .peri_id = (u8)DMACH_UART3_TX, + .rqtype = MEMTODEV, + }, { + .peri_id = (u8)DMACH_UART4_RX, + .rqtype = DEVTOMEM, + }, { + .peri_id = (u8)DMACH_UART4_TX, + .rqtype = MEMTODEV, + }, { + .peri_id = (u8)DMACH_PCM0_TX, + .rqtype = MEMTODEV, + }, { + .peri_id = (u8)DMACH_PCM0_RX, + .rqtype = DEVTOMEM, + }, { + .peri_id = (u8)DMACH_I2S0_TX, + .rqtype = MEMTODEV, + }, { + .peri_id = (u8)DMACH_I2S0_RX, + .rqtype = DEVTOMEM, + }, { + .peri_id = (u8)DMACH_SPI0_TX, + .rqtype = MEMTODEV, + }, { + .peri_id = (u8)DMACH_SPI0_RX, + .rqtype = DEVTOMEM, + }, { + .peri_id = (u8)DMACH_PCM1_TX, + .rqtype = MEMTODEV, + }, { + .peri_id = (u8)DMACH_PCM1_RX, + .rqtype = DEVTOMEM, + }, { + .peri_id = (u8)DMACH_PCM2_TX, + .rqtype = MEMTODEV, + }, { + .peri_id = (u8)DMACH_PCM2_RX, + .rqtype = DEVTOMEM, + }, { + .peri_id = (u8)DMACH_SPI1_TX, + .rqtype = MEMTODEV, + }, { + .peri_id = (u8)DMACH_SPI1_RX, + .rqtype = DEVTOMEM, + }, { + .peri_id = (u8)DMACH_USI_TX, + .rqtype = MEMTODEV, + }, { + .peri_id = (u8)DMACH_USI_RX, + .rqtype = DEVTOMEM, + }, { + .peri_id = (u8)DMACH_MAX, + }, { + .peri_id = (u8)DMACH_I2S1_TX, + .rqtype = MEMTODEV, + }, { + .peri_id = (u8)DMACH_I2S1_RX, + .rqtype = DEVTOMEM, + }, { + .peri_id = (u8)DMACH_I2S2_TX, + .rqtype = MEMTODEV, + }, { + .peri_id = (u8)DMACH_I2S2_RX, + .rqtype = DEVTOMEM, + }, { + .peri_id = (u8)DMACH_PWM, + }, { + .peri_id = (u8)DMACH_UART5_RX, + .rqtype = DEVTOMEM, + }, { + .peri_id = (u8)DMACH_UART5_TX, + .rqtype = MEMTODEV, }, }; -static struct platform_device s5p64x0_device_pdma = { - .name = "s3c-pl330", - .id = -1, - .num_resources = ARRAY_SIZE(s5p64x0_pdma_resource), - .resource = s5p64x0_pdma_resource, - .dev = { +struct dma_pl330_platdata s5p6450_pdma_pdata = { + .nr_valid_peri = ARRAY_SIZE(s5p6450_pdma_peri), + .peri = s5p6450_pdma_peri, +}; + +struct amba_device s5p64x0_device_pdma = { + .dev = { + .init_name = "dma-pl330", .dma_mask = &dma_dmamask, .coherent_dma_mask = DMA_BIT_MASK(32), }, + .res = { + .start = S5P64X0_PA_PDMA, + .end = S5P64X0_PA_PDMA + SZ_4K, + .flags = IORESOURCE_MEM, + }, + .irq = {IRQ_DMA0, NO_IRQ}, + .periphid = 0x00041330, }; static int __init s5p64x0_dma_init(void) { - unsigned int id; - - id = __raw_readl(S5P64X0_SYS_ID) & 0xFF000; - - if (id == 0x50000) + if (soc_is_s5p6450()) s5p64x0_device_pdma.dev.platform_data = &s5p6450_pdma_pdata; else s5p64x0_device_pdma.dev.platform_data = &s5p6440_pdma_pdata; - platform_device_register(&s5p64x0_device_pdma); + amba_device_register(&s5p64x0_device_pdma, &iomem_resource); return 0; } diff --git a/arch/arm/mach-s5p64x0/gpiolib.c b/arch/arm/mach-s5p64x0/gpiolib.c index e7fb3b004e77..700dac6c43f3 100644 --- a/arch/arm/mach-s5p64x0/gpiolib.c +++ b/arch/arm/mach-s5p64x0/gpiolib.c @@ -19,6 +19,7 @@ #include <mach/regs-gpio.h> #include <mach/regs-clock.h> +#include <plat/cpu.h> #include <plat/gpio-core.h> #include <plat/gpio-cfg.h> #include <plat/gpio-cfg-helpers.h> @@ -473,14 +474,10 @@ static void __init s5p64x0_gpio_add_rbank_4bit2(struct s3c_gpio_chip *chip, static int __init s5p64x0_gpiolib_init(void) { - unsigned int chipid; - - chipid = __raw_readl(S5P64X0_SYS_ID); - s5p64x0_gpiolib_set_cfg(s5p64x0_gpio_cfgs, ARRAY_SIZE(s5p64x0_gpio_cfgs)); - if ((chipid & 0xff000) == 0x50000) { + if (soc_is_s5p6450()) { samsung_gpiolib_add_2bit_chips(s5p6450_gpio_2bit, ARRAY_SIZE(s5p6450_gpio_2bit)); diff --git a/arch/arm/mach-s5p64x0/include/mach/dma.h b/arch/arm/mach-s5p64x0/include/mach/dma.h index 81209eb1409b..5a622af461d7 100644 --- a/arch/arm/mach-s5p64x0/include/mach/dma.h +++ b/arch/arm/mach-s5p64x0/include/mach/dma.h @@ -20,7 +20,7 @@ #ifndef __MACH_DMA_H #define __MACH_DMA_H -/* This platform uses the common S3C DMA API driver for PL330 */ -#include <plat/s3c-dma-pl330.h> +/* This platform uses the common common DMA API driver for PL330 */ +#include <plat/dma-pl330.h> #endif /* __MACH_DMA_H */ diff --git a/arch/arm/mach-s5p64x0/include/mach/irqs.h b/arch/arm/mach-s5p64x0/include/mach/irqs.h index 5837a36ece8d..53982db9d259 100644 --- a/arch/arm/mach-s5p64x0/include/mach/irqs.h +++ b/arch/arm/mach-s5p64x0/include/mach/irqs.h @@ -87,6 +87,10 @@ #define IRQ_I2S0 IRQ_I2SV40 +#define IRQ_LCD_FIFO IRQ_DISPCON0 +#define IRQ_LCD_VSYNC IRQ_DISPCON1 +#define IRQ_LCD_SYSTEM IRQ_DISPCON2 + /* S5P6450 EINT feature will be added */ /* diff --git a/arch/arm/mach-s5p64x0/include/mach/map.h b/arch/arm/mach-s5p64x0/include/mach/map.h index 95c91257c7ca..c5ef50c26291 100644 --- a/arch/arm/mach-s5p64x0/include/mach/map.h +++ b/arch/arm/mach-s5p64x0/include/mach/map.h @@ -47,6 +47,8 @@ #define S5P64X0_PA_HSMMC(x) (0xED800000 + ((x) * 0x100000)) +#define S5P64X0_PA_FB 0xEE000000 + #define S5P64X0_PA_I2S 0xF2000000 #define S5P6450_PA_I2S1 0xF2800000 #define S5P6450_PA_I2S2 0xF2900000 @@ -64,6 +66,7 @@ #define S3C_PA_IIC1 S5P6440_PA_IIC1 #define S3C_PA_RTC S5P64X0_PA_RTC #define S3C_PA_WDT S5P64X0_PA_WDT +#define S3C_PA_FB S5P64X0_PA_FB #define S5P_PA_CHIPID S5P64X0_PA_CHIPID #define S5P_PA_SROMC S5P64X0_PA_SROMC diff --git a/arch/arm/mach-s5p64x0/include/mach/regs-gpio.h b/arch/arm/mach-s5p64x0/include/mach/regs-gpio.h index 6ce254729f3b..88269ec70a38 100644 --- a/arch/arm/mach-s5p64x0/include/mach/regs-gpio.h +++ b/arch/arm/mach-s5p64x0/include/mach/regs-gpio.h @@ -34,6 +34,10 @@ #define S5P6450_GPQ_BASE (S5P_VA_GPIO + 0x0180) #define S5P6450_GPS_BASE (S5P_VA_GPIO + 0x0300) +#define S5P64X0_SPCON0 (S5P_VA_GPIO + 0x1A0) +#define S5P64X0_SPCON0_LCD_SEL_MASK (0x3 << 0) +#define S5P64X0_SPCON0_LCD_SEL_RGB (0x1 << 0) + /* External interrupt control registers for group0 */ #define EINT0CON0_OFFSET (0x900) diff --git a/arch/arm/mach-s5p64x0/irq-eint.c b/arch/arm/mach-s5p64x0/irq-eint.c index fe7380f5c3cd..494e1a8f6f6d 100644 --- a/arch/arm/mach-s5p64x0/irq-eint.c +++ b/arch/arm/mach-s5p64x0/irq-eint.c @@ -17,6 +17,7 @@ #include <linux/irq.h> #include <linux/io.h> +#include <plat/cpu.h> #include <plat/regs-irqtype.h> #include <plat/gpio-cfg.h> @@ -67,7 +68,7 @@ static int s5p64x0_irq_eint_set_type(struct irq_data *data, unsigned int type) __raw_writel(ctrl, S5P64X0_EINT0CON0); /* Configure the GPIO pin for 6450 or 6440 based on CPU ID */ - if (0x50000 == (__raw_readl(S5P64X0_SYS_ID) & 0xFF000)) + if (soc_is_s5p6450()) s3c_gpio_cfgpin(S5P6450_GPN(offs), S3C_GPIO_SFN(2)); else s3c_gpio_cfgpin(S5P6440_GPN(offs), S3C_GPIO_SFN(2)); diff --git a/arch/arm/mach-s5p64x0/mach-smdk6440.c b/arch/arm/mach-s5p64x0/mach-smdk6440.c index 340f30f4a3da..b0465d4e84e7 100644 --- a/arch/arm/mach-s5p64x0/mach-smdk6440.c +++ b/arch/arm/mach-s5p64x0/mach-smdk6440.c @@ -23,6 +23,9 @@ #include <linux/clk.h> #include <linux/gpio.h> #include <linux/pwm_backlight.h> +#include <linux/fb.h> + +#include <video/platform_lcd.h> #include <asm/mach/arch.h> #include <asm/mach/map.h> @@ -47,6 +50,8 @@ #include <plat/ts.h> #include <plat/s5p-time.h> #include <plat/backlight.h> +#include <plat/fb.h> +#include <plat/regs-fb.h> #define SMDK6440_UCON_DEFAULT (S3C2410_UCON_TXILEVEL | \ S3C2410_UCON_RXILEVEL | \ @@ -92,6 +97,59 @@ static struct s3c2410_uartcfg smdk6440_uartcfgs[] __initdata = { }, }; +/* Frame Buffer */ +static struct s3c_fb_pd_win smdk6440_fb_win0 = { + .win_mode = { + .left_margin = 8, + .right_margin = 13, + .upper_margin = 7, + .lower_margin = 5, + .hsync_len = 3, + .vsync_len = 1, + .xres = 800, + .yres = 480, + }, + .max_bpp = 32, + .default_bpp = 24, +}; + +static struct s3c_fb_platdata smdk6440_lcd_pdata __initdata = { + .win[0] = &smdk6440_fb_win0, + .vidcon0 = VIDCON0_VIDOUT_RGB | VIDCON0_PNRMODE_RGB, + .vidcon1 = VIDCON1_INV_HSYNC | VIDCON1_INV_VSYNC, + .setup_gpio = s5p64x0_fb_gpio_setup_24bpp, +}; + +/* LCD power controller */ +static void smdk6440_lte480_reset_power(struct plat_lcd_data *pd, + unsigned int power) +{ + int err; + + if (power) { + err = gpio_request(S5P6440_GPN(5), "GPN"); + if (err) { + printk(KERN_ERR "failed to request GPN for lcd reset\n"); + return; + } + + gpio_direction_output(S5P6440_GPN(5), 1); + gpio_set_value(S5P6440_GPN(5), 0); + gpio_set_value(S5P6440_GPN(5), 1); + gpio_free(S5P6440_GPN(5)); + } +} + +static struct plat_lcd_data smdk6440_lcd_power_data = { + .set_power = smdk6440_lte480_reset_power, +}; + +static struct platform_device smdk6440_lcd_lte480wv = { + .name = "platform-lcd", + .dev.parent = &s3c_device_fb.dev, + .dev.platform_data = &smdk6440_lcd_power_data, +}; + static struct platform_device *smdk6440_devices[] __initdata = { &s3c_device_adc, &s3c_device_rtc, @@ -101,6 +159,8 @@ static struct platform_device *smdk6440_devices[] __initdata = { &s3c_device_wdt, &samsung_asoc_dma, &s5p6440_device_iis, + &s3c_device_fb, + &smdk6440_lcd_lte480wv, }; static struct s3c2410_platform_i2c s5p6440_i2c0_data __initdata = { @@ -147,6 +207,17 @@ static void __init smdk6440_map_io(void) s5p_set_timer_source(S5P_PWM3, S5P_PWM4); } +static void s5p6440_set_lcd_interface(void) +{ + unsigned int cfg; + + /* select TFT LCD type (RGB I/F) */ + cfg = __raw_readl(S5P64X0_SPCON0); + cfg &= ~S5P64X0_SPCON0_LCD_SEL_MASK; + cfg |= S5P64X0_SPCON0_LCD_SEL_RGB; + __raw_writel(cfg, S5P64X0_SPCON0); +} + static void __init smdk6440_machine_init(void) { s3c24xx_ts_set_platdata(NULL); @@ -160,6 +231,9 @@ static void __init smdk6440_machine_init(void) samsung_bl_set(&smdk6440_bl_gpio_info, &smdk6440_bl_data); + s5p6440_set_lcd_interface(); + s3c_fb_set_platdata(&smdk6440_lcd_pdata); + platform_add_devices(smdk6440_devices, ARRAY_SIZE(smdk6440_devices)); } diff --git a/arch/arm/mach-s5p64x0/mach-smdk6450.c b/arch/arm/mach-s5p64x0/mach-smdk6450.c index ee0da14665b6..2a69caa70afd 100644 --- a/arch/arm/mach-s5p64x0/mach-smdk6450.c +++ b/arch/arm/mach-s5p64x0/mach-smdk6450.c @@ -23,6 +23,9 @@ #include <linux/clk.h> #include <linux/gpio.h> #include <linux/pwm_backlight.h> +#include <linux/fb.h> + +#include <video/platform_lcd.h> #include <asm/mach/arch.h> #include <asm/mach/map.h> @@ -47,6 +50,8 @@ #include <plat/ts.h> #include <plat/s5p-time.h> #include <plat/backlight.h> +#include <plat/fb.h> +#include <plat/regs-fb.h> #define SMDK6450_UCON_DEFAULT (S3C2410_UCON_TXILEVEL | \ S3C2410_UCON_RXILEVEL | \ @@ -110,6 +115,59 @@ static struct s3c2410_uartcfg smdk6450_uartcfgs[] __initdata = { #endif }; +/* Frame Buffer */ +static struct s3c_fb_pd_win smdk6450_fb_win0 = { + .win_mode = { + .left_margin = 8, + .right_margin = 13, + .upper_margin = 7, + .lower_margin = 5, + .hsync_len = 3, + .vsync_len = 1, + .xres = 800, + .yres = 480, + }, + .max_bpp = 32, + .default_bpp = 24, +}; + +static struct s3c_fb_platdata smdk6450_lcd_pdata __initdata = { + .win[0] = &smdk6450_fb_win0, + .vidcon0 = VIDCON0_VIDOUT_RGB | VIDCON0_PNRMODE_RGB, + .vidcon1 = VIDCON1_INV_HSYNC | VIDCON1_INV_VSYNC, + .setup_gpio = s5p64x0_fb_gpio_setup_24bpp, +}; + +/* LCD power controller */ +static void smdk6450_lte480_reset_power(struct plat_lcd_data *pd, + unsigned int power) +{ + int err; + + if (power) { + err = gpio_request(S5P6450_GPN(5), "GPN"); + if (err) { + printk(KERN_ERR "failed to request GPN for lcd reset\n"); + return; + } + + gpio_direction_output(S5P6450_GPN(5), 1); + gpio_set_value(S5P6450_GPN(5), 0); + gpio_set_value(S5P6450_GPN(5), 1); + gpio_free(S5P6450_GPN(5)); + } +} + +static struct plat_lcd_data smdk6450_lcd_power_data = { + .set_power = smdk6450_lte480_reset_power, +}; + +static struct platform_device smdk6450_lcd_lte480wv = { + .name = "platform-lcd", + .dev.parent = &s3c_device_fb.dev, + .dev.platform_data = &smdk6450_lcd_power_data, +}; + static struct platform_device *smdk6450_devices[] __initdata = { &s3c_device_adc, &s3c_device_rtc, @@ -119,6 +177,9 @@ static struct platform_device *smdk6450_devices[] __initdata = { &s3c_device_wdt, &samsung_asoc_dma, &s5p6450_device_iis0, + &s3c_device_fb, + &smdk6450_lcd_lte480wv, + /* s5p6450_device_spi0 will be added */ }; @@ -166,6 +227,17 @@ static void __init smdk6450_map_io(void) s5p_set_timer_source(S5P_PWM3, S5P_PWM4); } +static void s5p6450_set_lcd_interface(void) +{ + unsigned int cfg; + + /* select TFT LCD type (RGB I/F) */ + cfg = __raw_readl(S5P64X0_SPCON0); + cfg &= ~S5P64X0_SPCON0_LCD_SEL_MASK; + cfg |= S5P64X0_SPCON0_LCD_SEL_RGB; + __raw_writel(cfg, S5P64X0_SPCON0); +} + static void __init smdk6450_machine_init(void) { s3c24xx_ts_set_platdata(NULL); @@ -179,6 +251,9 @@ static void __init smdk6450_machine_init(void) samsung_bl_set(&smdk6450_bl_gpio_info, &smdk6450_bl_data); + s5p6450_set_lcd_interface(); + s3c_fb_set_platdata(&smdk6450_lcd_pdata); + platform_add_devices(smdk6450_devices, ARRAY_SIZE(smdk6450_devices)); } diff --git a/arch/arm/mach-s5p64x0/setup-fb-24bpp.c b/arch/arm/mach-s5p64x0/setup-fb-24bpp.c new file mode 100644 index 000000000000..f346ee4af54d --- /dev/null +++ b/arch/arm/mach-s5p64x0/setup-fb-24bpp.c @@ -0,0 +1,29 @@ +/* linux/arch/arm/mach-s5p64x0/setup-fb-24bpp.c + * + * Copyright (c) 2011 Samsung Electronics Co., Ltd. + * http://www.samsung.com/ + * + * Base S5P64X0 GPIO setup information for LCD framebuffer + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. +*/ + +#include <linux/fb.h> +#include <linux/gpio.h> + +#include <plat/cpu.h> +#include <plat/fb.h> +#include <plat/gpio-cfg.h> + +void s5p64x0_fb_gpio_setup_24bpp(void) +{ + if (soc_is_s5p6440()) { + s3c_gpio_cfgrange_nopull(S5P6440_GPI(0), 16, S3C_GPIO_SFN(2)); + s3c_gpio_cfgrange_nopull(S5P6440_GPJ(0), 12, S3C_GPIO_SFN(2)); + } else if (soc_is_s5p6450()) { + s3c_gpio_cfgrange_nopull(S5P6450_GPI(0), 16, S3C_GPIO_SFN(2)); + s3c_gpio_cfgrange_nopull(S5P6450_GPJ(0), 12, S3C_GPIO_SFN(2)); + } +} diff --git a/arch/arm/mach-s5pc100/Kconfig b/arch/arm/mach-s5pc100/Kconfig index e8a33c4b054c..e538a4c67e9c 100644 --- a/arch/arm/mach-s5pc100/Kconfig +++ b/arch/arm/mach-s5pc100/Kconfig @@ -10,7 +10,7 @@ if ARCH_S5PC100 config CPU_S5PC100 bool select S5P_EXT_INT - select S3C_PL330_DMA + select SAMSUNG_DMADEV help Enable S5PC100 CPU support diff --git a/arch/arm/mach-s5pc100/clock.c b/arch/arm/mach-s5pc100/clock.c index ff5cbb30de5b..8d47709da713 100644 --- a/arch/arm/mach-s5pc100/clock.c +++ b/arch/arm/mach-s5pc100/clock.c @@ -33,6 +33,11 @@ static struct clk s5p_clk_otgphy = { .name = "otg_phy", }; +static struct clk dummy_apb_pclk = { + .name = "apb_pclk", + .id = -1, +}; + static struct clk *clk_src_mout_href_list[] = { [0] = &s5p_clk_27m, [1] = &clk_fin_hpll, @@ -454,14 +459,14 @@ static struct clk init_clocks_off[] = { .enable = s5pc100_d1_0_ctrl, .ctrlbit = (1 << 2), }, { - .name = "pdma", - .devname = "s3c-pl330.1", + .name = "dma", + .devname = "dma-pl330.1", .parent = &clk_div_d1_bus.clk, .enable = s5pc100_d1_0_ctrl, .ctrlbit = (1 << 1), }, { - .name = "pdma", - .devname = "s3c-pl330.0", + .name = "dma", + .devname = "dma-pl330.0", .parent = &clk_div_d1_bus.clk, .enable = s5pc100_d1_0_ctrl, .ctrlbit = (1 << 0), @@ -1276,5 +1281,7 @@ void __init s5pc100_register_clocks(void) s3c_register_clocks(init_clocks_off, ARRAY_SIZE(init_clocks_off)); s3c_disable_clocks(init_clocks_off, ARRAY_SIZE(init_clocks_off)); + s3c24xx_register_clock(&dummy_apb_pclk); + s3c_pwmclk_init(); } diff --git a/arch/arm/mach-s5pc100/dma.c b/arch/arm/mach-s5pc100/dma.c index bf4cd0fb97c6..065a087f5a8b 100644 --- a/arch/arm/mach-s5pc100/dma.c +++ b/arch/arm/mach-s5pc100/dma.c @@ -1,4 +1,8 @@ -/* +/* linux/arch/arm/mach-s5pc100/dma.c + * + * Copyright (c) 2011 Samsung Electronics Co., Ltd. + * http://www.samsung.com + * * Copyright (C) 2010 Samsung Electronics Co. Ltd. * Jaswinder Singh <jassi.brar@samsung.com> * @@ -17,150 +21,246 @@ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ -#include <linux/platform_device.h> #include <linux/dma-mapping.h> +#include <linux/amba/bus.h> +#include <linux/amba/pl330.h> +#include <asm/irq.h> #include <plat/devs.h> +#include <plat/irqs.h> #include <mach/map.h> #include <mach/irqs.h> - -#include <plat/s3c-pl330-pdata.h> +#include <mach/dma.h> static u64 dma_dmamask = DMA_BIT_MASK(32); -static struct resource s5pc100_pdma0_resource[] = { - [0] = { - .start = S5PC100_PA_PDMA0, - .end = S5PC100_PA_PDMA0 + SZ_4K, - .flags = IORESOURCE_MEM, - }, - [1] = { - .start = IRQ_PDMA0, - .end = IRQ_PDMA0, - .flags = IORESOURCE_IRQ, +struct dma_pl330_peri pdma0_peri[30] = { + { + .peri_id = (u8)DMACH_UART0_RX, + .rqtype = DEVTOMEM, + }, { + .peri_id = (u8)DMACH_UART0_TX, + .rqtype = MEMTODEV, + }, { + .peri_id = (u8)DMACH_UART1_RX, + .rqtype = DEVTOMEM, + }, { + .peri_id = (u8)DMACH_UART1_TX, + .rqtype = MEMTODEV, + }, { + .peri_id = (u8)DMACH_UART2_RX, + .rqtype = DEVTOMEM, + }, { + .peri_id = (u8)DMACH_UART2_TX, + .rqtype = MEMTODEV, + }, { + .peri_id = (u8)DMACH_UART3_RX, + .rqtype = DEVTOMEM, + }, { + .peri_id = (u8)DMACH_UART3_TX, + .rqtype = MEMTODEV, + }, { + .peri_id = DMACH_IRDA, + }, { + .peri_id = (u8)DMACH_I2S0_RX, + .rqtype = DEVTOMEM, + }, { + .peri_id = (u8)DMACH_I2S0_TX, + .rqtype = MEMTODEV, + }, { + .peri_id = (u8)DMACH_I2S0S_TX, + .rqtype = MEMTODEV, + }, { + .peri_id = (u8)DMACH_I2S1_RX, + .rqtype = DEVTOMEM, + }, { + .peri_id = (u8)DMACH_I2S1_TX, + .rqtype = MEMTODEV, + }, { + .peri_id = (u8)DMACH_I2S2_RX, + .rqtype = DEVTOMEM, + }, { + .peri_id = (u8)DMACH_I2S2_TX, + .rqtype = MEMTODEV, + }, { + .peri_id = (u8)DMACH_SPI0_RX, + .rqtype = DEVTOMEM, + }, { + .peri_id = (u8)DMACH_SPI0_TX, + .rqtype = MEMTODEV, + }, { + .peri_id = (u8)DMACH_SPI1_RX, + .rqtype = DEVTOMEM, + }, { + .peri_id = (u8)DMACH_SPI1_TX, + .rqtype = MEMTODEV, + }, { + .peri_id = (u8)DMACH_SPI2_RX, + .rqtype = DEVTOMEM, + }, { + .peri_id = (u8)DMACH_SPI2_TX, + .rqtype = MEMTODEV, + }, { + .peri_id = (u8)DMACH_AC97_MICIN, + .rqtype = DEVTOMEM, + }, { + .peri_id = (u8)DMACH_AC97_PCMIN, + .rqtype = DEVTOMEM, + }, { + .peri_id = (u8)DMACH_AC97_PCMOUT, + .rqtype = MEMTODEV, + }, { + .peri_id = (u8)DMACH_EXTERNAL, + }, { + .peri_id = (u8)DMACH_PWM, + }, { + .peri_id = (u8)DMACH_SPDIF, + .rqtype = MEMTODEV, + }, { + .peri_id = (u8)DMACH_HSI_RX, + .rqtype = DEVTOMEM, + }, { + .peri_id = (u8)DMACH_HSI_TX, + .rqtype = MEMTODEV, }, }; -static struct s3c_pl330_platdata s5pc100_pdma0_pdata = { - .peri = { - [0] = DMACH_UART0_RX, - [1] = DMACH_UART0_TX, - [2] = DMACH_UART1_RX, - [3] = DMACH_UART1_TX, - [4] = DMACH_UART2_RX, - [5] = DMACH_UART2_TX, - [6] = DMACH_UART3_RX, - [7] = DMACH_UART3_TX, - [8] = DMACH_IRDA, - [9] = DMACH_I2S0_RX, - [10] = DMACH_I2S0_TX, - [11] = DMACH_I2S0S_TX, - [12] = DMACH_I2S1_RX, - [13] = DMACH_I2S1_TX, - [14] = DMACH_I2S2_RX, - [15] = DMACH_I2S2_TX, - [16] = DMACH_SPI0_RX, - [17] = DMACH_SPI0_TX, - [18] = DMACH_SPI1_RX, - [19] = DMACH_SPI1_TX, - [20] = DMACH_SPI2_RX, - [21] = DMACH_SPI2_TX, - [22] = DMACH_AC97_MICIN, - [23] = DMACH_AC97_PCMIN, - [24] = DMACH_AC97_PCMOUT, - [25] = DMACH_EXTERNAL, - [26] = DMACH_PWM, - [27] = DMACH_SPDIF, - [28] = DMACH_HSI_RX, - [29] = DMACH_HSI_TX, - [30] = DMACH_MAX, - [31] = DMACH_MAX, - }, +struct dma_pl330_platdata s5pc100_pdma0_pdata = { + .nr_valid_peri = ARRAY_SIZE(pdma0_peri), + .peri = pdma0_peri, }; -static struct platform_device s5pc100_device_pdma0 = { - .name = "s3c-pl330", - .id = 0, - .num_resources = ARRAY_SIZE(s5pc100_pdma0_resource), - .resource = s5pc100_pdma0_resource, - .dev = { +struct amba_device s5pc100_device_pdma0 = { + .dev = { + .init_name = "dma-pl330.0", .dma_mask = &dma_dmamask, .coherent_dma_mask = DMA_BIT_MASK(32), .platform_data = &s5pc100_pdma0_pdata, }, -}; - -static struct resource s5pc100_pdma1_resource[] = { - [0] = { - .start = S5PC100_PA_PDMA1, - .end = S5PC100_PA_PDMA1 + SZ_4K, + .res = { + .start = S5PC100_PA_PDMA0, + .end = S5PC100_PA_PDMA0 + SZ_4K, .flags = IORESOURCE_MEM, }, - [1] = { - .start = IRQ_PDMA1, - .end = IRQ_PDMA1, - .flags = IORESOURCE_IRQ, - }, + .irq = {IRQ_PDMA0, NO_IRQ}, + .periphid = 0x00041330, }; -static struct s3c_pl330_platdata s5pc100_pdma1_pdata = { - .peri = { - [0] = DMACH_UART0_RX, - [1] = DMACH_UART0_TX, - [2] = DMACH_UART1_RX, - [3] = DMACH_UART1_TX, - [4] = DMACH_UART2_RX, - [5] = DMACH_UART2_TX, - [6] = DMACH_UART3_RX, - [7] = DMACH_UART3_TX, - [8] = DMACH_IRDA, - [9] = DMACH_I2S0_RX, - [10] = DMACH_I2S0_TX, - [11] = DMACH_I2S0S_TX, - [12] = DMACH_I2S1_RX, - [13] = DMACH_I2S1_TX, - [14] = DMACH_I2S2_RX, - [15] = DMACH_I2S2_TX, - [16] = DMACH_SPI0_RX, - [17] = DMACH_SPI0_TX, - [18] = DMACH_SPI1_RX, - [19] = DMACH_SPI1_TX, - [20] = DMACH_SPI2_RX, - [21] = DMACH_SPI2_TX, - [22] = DMACH_PCM0_RX, - [23] = DMACH_PCM0_TX, - [24] = DMACH_PCM1_RX, - [25] = DMACH_PCM1_TX, - [26] = DMACH_MSM_REQ0, - [27] = DMACH_MSM_REQ1, - [28] = DMACH_MSM_REQ2, - [29] = DMACH_MSM_REQ3, - [30] = DMACH_MAX, - [31] = DMACH_MAX, +struct dma_pl330_peri pdma1_peri[30] = { + { + .peri_id = (u8)DMACH_UART0_RX, + .rqtype = DEVTOMEM, + }, { + .peri_id = (u8)DMACH_UART0_TX, + .rqtype = MEMTODEV, + }, { + .peri_id = (u8)DMACH_UART1_RX, + .rqtype = DEVTOMEM, + }, { + .peri_id = (u8)DMACH_UART1_TX, + .rqtype = MEMTODEV, + }, { + .peri_id = (u8)DMACH_UART2_RX, + .rqtype = DEVTOMEM, + }, { + .peri_id = (u8)DMACH_UART2_TX, + .rqtype = MEMTODEV, + }, { + .peri_id = (u8)DMACH_UART3_RX, + .rqtype = DEVTOMEM, + }, { + .peri_id = (u8)DMACH_UART3_TX, + .rqtype = MEMTODEV, + }, { + .peri_id = DMACH_IRDA, + }, { + .peri_id = (u8)DMACH_I2S0_RX, + .rqtype = DEVTOMEM, + }, { + .peri_id = (u8)DMACH_I2S0_TX, + .rqtype = MEMTODEV, + }, { + .peri_id = (u8)DMACH_I2S0S_TX, + .rqtype = MEMTODEV, + }, { + .peri_id = (u8)DMACH_I2S1_RX, + .rqtype = DEVTOMEM, + }, { + .peri_id = (u8)DMACH_I2S1_TX, + .rqtype = MEMTODEV, + }, { + .peri_id = (u8)DMACH_I2S2_RX, + .rqtype = DEVTOMEM, + }, { + .peri_id = (u8)DMACH_I2S2_TX, + .rqtype = MEMTODEV, + }, { + .peri_id = (u8)DMACH_SPI0_RX, + .rqtype = DEVTOMEM, + }, { + .peri_id = (u8)DMACH_SPI0_TX, + .rqtype = MEMTODEV, + }, { + .peri_id = (u8)DMACH_SPI1_RX, + .rqtype = DEVTOMEM, + }, { + .peri_id = (u8)DMACH_SPI1_TX, + .rqtype = MEMTODEV, + }, { + .peri_id = (u8)DMACH_SPI2_RX, + .rqtype = DEVTOMEM, + }, { + .peri_id = (u8)DMACH_SPI2_TX, + .rqtype = MEMTODEV, + }, { + .peri_id = (u8)DMACH_PCM0_RX, + .rqtype = DEVTOMEM, + }, { + .peri_id = (u8)DMACH_PCM1_TX, + .rqtype = MEMTODEV, + }, { + .peri_id = (u8)DMACH_PCM1_RX, + .rqtype = DEVTOMEM, + }, { + .peri_id = (u8)DMACH_PCM1_TX, + .rqtype = MEMTODEV, + }, { + .peri_id = (u8)DMACH_MSM_REQ0, + }, { + .peri_id = (u8)DMACH_MSM_REQ1, + }, { + .peri_id = (u8)DMACH_MSM_REQ2, + }, { + .peri_id = (u8)DMACH_MSM_REQ3, }, }; -static struct platform_device s5pc100_device_pdma1 = { - .name = "s3c-pl330", - .id = 1, - .num_resources = ARRAY_SIZE(s5pc100_pdma1_resource), - .resource = s5pc100_pdma1_resource, - .dev = { +struct dma_pl330_platdata s5pc100_pdma1_pdata = { + .nr_valid_peri = ARRAY_SIZE(pdma1_peri), + .peri = pdma1_peri, +}; + +struct amba_device s5pc100_device_pdma1 = { + .dev = { + .init_name = "dma-pl330.1", .dma_mask = &dma_dmamask, .coherent_dma_mask = DMA_BIT_MASK(32), .platform_data = &s5pc100_pdma1_pdata, }, -}; - -static struct platform_device *s5pc100_dmacs[] __initdata = { - &s5pc100_device_pdma0, - &s5pc100_device_pdma1, + .res = { + .start = S5PC100_PA_PDMA1, + .end = S5PC100_PA_PDMA1 + SZ_4K, + .flags = IORESOURCE_MEM, + }, + .irq = {IRQ_PDMA1, NO_IRQ}, + .periphid = 0x00041330, }; static int __init s5pc100_dma_init(void) { - platform_add_devices(s5pc100_dmacs, ARRAY_SIZE(s5pc100_dmacs)); + amba_device_register(&s5pc100_device_pdma0, &iomem_resource); + amba_device_register(&s5pc100_device_pdma1, &iomem_resource); return 0; } diff --git a/arch/arm/mach-s5pc100/include/mach/dma.h b/arch/arm/mach-s5pc100/include/mach/dma.h index 81209eb1409b..201842a3769e 100644 --- a/arch/arm/mach-s5pc100/include/mach/dma.h +++ b/arch/arm/mach-s5pc100/include/mach/dma.h @@ -20,7 +20,7 @@ #ifndef __MACH_DMA_H #define __MACH_DMA_H -/* This platform uses the common S3C DMA API driver for PL330 */ -#include <plat/s3c-dma-pl330.h> +/* This platform uses the common DMA API driver for PL330 */ +#include <plat/dma-pl330.h> #endif /* __MACH_DMA_H */ diff --git a/arch/arm/mach-s5pv210/Kconfig b/arch/arm/mach-s5pv210/Kconfig index aaeb44a73716..f22c683272d3 100644 --- a/arch/arm/mach-s5pv210/Kconfig +++ b/arch/arm/mach-s5pv210/Kconfig @@ -11,7 +11,7 @@ if ARCH_S5PV210 config CPU_S5PV210 bool - select S3C_PL330_DMA + select SAMSUNG_DMADEV select S5P_EXT_INT select S5P_HRT help @@ -93,11 +93,13 @@ config MACH_GONI select S3C_DEV_USB_HSOTG select S5P_DEV_ONENAND select SAMSUNG_DEV_KEYPAD + select S5P_DEV_TV select S5PV210_SETUP_FB_24BPP select S5PV210_SETUP_I2C1 select S5PV210_SETUP_I2C2 select S5PV210_SETUP_KEYPAD select S5PV210_SETUP_SDHCI + select S5PV210_SETUP_FIMC help Machine support for Samsung GONI board S5PC110(MCP) is one of package option of S5PV210 diff --git a/arch/arm/mach-s5pv210/clock.c b/arch/arm/mach-s5pv210/clock.c index 52a8e607bcc2..4c5ac7a69e9e 100644 --- a/arch/arm/mach-s5pv210/clock.c +++ b/arch/arm/mach-s5pv210/clock.c @@ -174,6 +174,16 @@ static int s5pv210_clk_mask1_ctrl(struct clk *clk, int enable) return s5p_gatectrl(S5P_CLK_SRC_MASK1, clk, enable); } +static int exynos4_clk_hdmiphy_ctrl(struct clk *clk, int enable) +{ + return s5p_gatectrl(S5P_HDMI_PHY_CONTROL, clk, enable); +} + +static int exynos4_clk_dac_ctrl(struct clk *clk, int enable) +{ + return s5p_gatectrl(S5P_DAC_PHY_CONTROL, clk, enable); +} + static struct clk clk_sclk_hdmi27m = { .name = "sclk_hdmi27m", .rate = 27000000, @@ -203,6 +213,11 @@ static struct clk clk_pcmcdclk2 = { .name = "pcmcdclk", }; +static struct clk dummy_apb_pclk = { + .name = "apb_pclk", + .id = -1, +}; + static struct clk *clkset_vpllsrc_list[] = { [0] = &clk_fin_vpll, [1] = &clk_sclk_hdmi27m, @@ -289,14 +304,14 @@ static struct clk_ops clk_fout_apll_ops = { static struct clk init_clocks_off[] = { { - .name = "pdma", - .devname = "s3c-pl330.0", + .name = "dma", + .devname = "dma-pl330.0", .parent = &clk_hclk_psys.clk, .enable = s5pv210_clk_ip0_ctrl, .ctrlbit = (1 << 3), }, { - .name = "pdma", - .devname = "s3c-pl330.1", + .name = "dma", + .devname = "dma-pl330.1", .parent = &clk_hclk_psys.clk, .enable = s5pv210_clk_ip0_ctrl, .ctrlbit = (1 << 4), @@ -330,6 +345,40 @@ static struct clk init_clocks_off[] = { .enable = s5pv210_clk_ip0_ctrl, .ctrlbit = (1 << 16), }, { + .name = "dac", + .devname = "s5p-sdo", + .parent = &clk_hclk_dsys.clk, + .enable = s5pv210_clk_ip1_ctrl, + .ctrlbit = (1 << 10), + }, { + .name = "mixer", + .devname = "s5p-mixer", + .parent = &clk_hclk_dsys.clk, + .enable = s5pv210_clk_ip1_ctrl, + .ctrlbit = (1 << 9), + }, { + .name = "vp", + .devname = "s5p-mixer", + .parent = &clk_hclk_dsys.clk, + .enable = s5pv210_clk_ip1_ctrl, + .ctrlbit = (1 << 8), + }, { + .name = "hdmi", + .devname = "s5pv210-hdmi", + .parent = &clk_hclk_dsys.clk, + .enable = s5pv210_clk_ip1_ctrl, + .ctrlbit = (1 << 11), + }, { + .name = "hdmiphy", + .devname = "s5pv210-hdmi", + .enable = exynos4_clk_hdmiphy_ctrl, + .ctrlbit = (1 << 0), + }, { + .name = "dacphy", + .devname = "s5p-sdo", + .enable = exynos4_clk_dac_ctrl, + .ctrlbit = (1 << 0), + }, { .name = "otg", .parent = &clk_hclk_psys.clk, .enable = s5pv210_clk_ip1_ctrl, @@ -407,6 +456,12 @@ static struct clk init_clocks_off[] = { .enable = s5pv210_clk_ip3_ctrl, .ctrlbit = (1<<9), }, { + .name = "i2c", + .devname = "s3c2440-hdmiphy-i2c", + .parent = &clk_pclk_psys.clk, + .enable = s5pv210_clk_ip3_ctrl, + .ctrlbit = (1 << 11), + }, { .name = "spi", .devname = "s3c64xx-spi.0", .parent = &clk_pclk_psys.clk, @@ -594,6 +649,23 @@ static struct clksrc_sources clkset_sclk_mixer = { .nr_sources = ARRAY_SIZE(clkset_sclk_mixer_list), }; +static struct clksrc_clk clk_sclk_mixer = { + .clk = { + .name = "sclk_mixer", + .enable = s5pv210_clk_mask0_ctrl, + .ctrlbit = (1 << 1), + }, + .sources = &clkset_sclk_mixer, + .reg_src = { .reg = S5P_CLK_SRC1, .shift = 4, .size = 1 }, +}; + +static struct clksrc_clk *sclk_tv[] = { + &clk_sclk_dac, + &clk_sclk_pixel, + &clk_sclk_hdmi, + &clk_sclk_mixer, +}; + static struct clk *clkset_sclk_audio0_list[] = { [0] = &clk_ext_xtal_mux, [1] = &clk_pcmcdclk0, @@ -777,14 +849,6 @@ static struct clksrc_clk clksrcs[] = { .reg_div = { .reg = S5P_CLK_DIV4, .shift = 28, .size = 4 }, }, { .clk = { - .name = "sclk_mixer", - .enable = s5pv210_clk_mask0_ctrl, - .ctrlbit = (1 << 1), - }, - .sources = &clkset_sclk_mixer, - .reg_src = { .reg = S5P_CLK_SRC1, .shift = 4, .size = 1 }, - }, { - .clk = { .name = "sclk_fimc", .devname = "s5pv210-fimc.0", .enable = s5pv210_clk_mask1_ctrl, @@ -815,8 +879,7 @@ static struct clksrc_clk clksrcs[] = { .reg_div = { .reg = S5P_CLK_DIV3, .shift = 20, .size = 4 }, }, { .clk = { - .name = "sclk_cam", - .devname = "s5pv210-fimc.0", + .name = "sclk_cam0", .enable = s5pv210_clk_mask0_ctrl, .ctrlbit = (1 << 3), }, @@ -825,8 +888,7 @@ static struct clksrc_clk clksrcs[] = { .reg_div = { .reg = S5P_CLK_DIV1, .shift = 12, .size = 4 }, }, { .clk = { - .name = "sclk_cam", - .devname = "s5pv210-fimc.1", + .name = "sclk_cam1", .enable = s5pv210_clk_mask0_ctrl, .ctrlbit = (1 << 4), }, @@ -975,9 +1037,6 @@ static struct clksrc_clk *sysclks[] = { &clk_pclk_psys, &clk_vpllsrc, &clk_sclk_vpll, - &clk_sclk_dac, - &clk_sclk_pixel, - &clk_sclk_hdmi, &clk_mout_dmc0, &clk_sclk_dmc0, &clk_sclk_audio0, @@ -1062,6 +1121,61 @@ static struct clk_ops s5pv210_epll_ops = { .get_rate = s5p_epll_get_rate, }; +static u32 vpll_div[][5] = { + { 54000000, 3, 53, 3, 0 }, + { 108000000, 3, 53, 2, 0 }, +}; + +static unsigned long s5pv210_vpll_get_rate(struct clk *clk) +{ + return clk->rate; +} + +static int s5pv210_vpll_set_rate(struct clk *clk, unsigned long rate) +{ + unsigned int vpll_con; + unsigned int i; + + /* Return if nothing changed */ + if (clk->rate == rate) + return 0; + + vpll_con = __raw_readl(S5P_VPLL_CON); + vpll_con &= ~(0x1 << 27 | \ + PLL90XX_MDIV_MASK << PLL90XX_MDIV_SHIFT | \ + PLL90XX_PDIV_MASK << PLL90XX_PDIV_SHIFT | \ + PLL90XX_SDIV_MASK << PLL90XX_SDIV_SHIFT); + + for (i = 0; i < ARRAY_SIZE(vpll_div); i++) { + if (vpll_div[i][0] == rate) { + vpll_con |= vpll_div[i][1] << PLL90XX_PDIV_SHIFT; + vpll_con |= vpll_div[i][2] << PLL90XX_MDIV_SHIFT; + vpll_con |= vpll_div[i][3] << PLL90XX_SDIV_SHIFT; + vpll_con |= vpll_div[i][4] << 27; + break; + } + } + + if (i == ARRAY_SIZE(vpll_div)) { + printk(KERN_ERR "%s: Invalid Clock VPLL Frequency\n", + __func__); + return -EINVAL; + } + + __raw_writel(vpll_con, S5P_VPLL_CON); + + /* Wait for VPLL lock */ + while (!(__raw_readl(S5P_VPLL_CON) & (1 << PLL90XX_LOCKED_SHIFT))) + continue; + + clk->rate = rate; + return 0; +} +static struct clk_ops s5pv210_vpll_ops = { + .get_rate = s5pv210_vpll_get_rate, + .set_rate = s5pv210_vpll_set_rate, +}; + void __init_or_cpufreq s5pv210_setup_clocks(void) { struct clk *xtal_clk; @@ -1110,6 +1224,7 @@ void __init_or_cpufreq s5pv210_setup_clocks(void) clk_fout_apll.ops = &clk_fout_apll_ops; clk_fout_mpll.rate = mpll; clk_fout_epll.rate = epll; + clk_fout_vpll.ops = &s5pv210_vpll_ops; clk_fout_vpll.rate = vpll; printk(KERN_INFO "S5PV210: PLL settings, A=%ld, M=%ld, E=%ld V=%ld", @@ -1155,11 +1270,15 @@ void __init s5pv210_register_clocks(void) for (ptr = 0; ptr < ARRAY_SIZE(sysclks); ptr++) s3c_register_clksrc(sysclks[ptr], 1); + for (ptr = 0; ptr < ARRAY_SIZE(sclk_tv); ptr++) + s3c_register_clksrc(sclk_tv[ptr], 1); + s3c_register_clksrc(clksrcs, ARRAY_SIZE(clksrcs)); s3c_register_clocks(init_clocks, ARRAY_SIZE(init_clocks)); s3c_register_clocks(init_clocks_off, ARRAY_SIZE(init_clocks_off)); s3c_disable_clocks(init_clocks_off, ARRAY_SIZE(init_clocks_off)); + s3c24xx_register_clock(&dummy_apb_pclk); s3c_pwmclk_init(); } diff --git a/arch/arm/mach-s5pv210/cpu.c b/arch/arm/mach-s5pv210/cpu.c index 79907ec78d43..6b8cdccbe931 100644 --- a/arch/arm/mach-s5pv210/cpu.c +++ b/arch/arm/mach-s5pv210/cpu.c @@ -41,6 +41,7 @@ #include <plat/keypad-core.h> #include <plat/sdhci.h> #include <plat/reset.h> +#include <plat/tv-core.h> /* Initial IO mappings */ @@ -143,6 +144,9 @@ void __init s5pv210_map_io(void) /* Use s5pv210-keypad instead of samsung-keypad */ samsung_keypad_setname("s5pv210-keypad"); + + /* setup TV devices */ + s5p_hdmi_setname("s5pv210-hdmi"); } void __init s5pv210_init_clocks(int xtal) diff --git a/arch/arm/mach-s5pv210/dma.c b/arch/arm/mach-s5pv210/dma.c index 497d3439a142..86b749c18b77 100644 --- a/arch/arm/mach-s5pv210/dma.c +++ b/arch/arm/mach-s5pv210/dma.c @@ -1,4 +1,8 @@ -/* +/* linux/arch/arm/mach-s5pv210/dma.c + * + * Copyright (c) 2011 Samsung Electronics Co., Ltd. + * http://www.samsung.com + * * Copyright (C) 2010 Samsung Electronics Co. Ltd. * Jaswinder Singh <jassi.brar@samsung.com> * @@ -17,151 +21,240 @@ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ -#include <linux/platform_device.h> #include <linux/dma-mapping.h> +#include <linux/amba/bus.h> +#include <linux/amba/pl330.h> +#include <asm/irq.h> #include <plat/devs.h> #include <plat/irqs.h> #include <mach/map.h> #include <mach/irqs.h> - -#include <plat/s3c-pl330-pdata.h> +#include <mach/dma.h> static u64 dma_dmamask = DMA_BIT_MASK(32); -static struct resource s5pv210_pdma0_resource[] = { - [0] = { - .start = S5PV210_PA_PDMA0, - .end = S5PV210_PA_PDMA0 + SZ_4K, - .flags = IORESOURCE_MEM, - }, - [1] = { - .start = IRQ_PDMA0, - .end = IRQ_PDMA0, - .flags = IORESOURCE_IRQ, +struct dma_pl330_peri pdma0_peri[28] = { + { + .peri_id = (u8)DMACH_UART0_RX, + .rqtype = DEVTOMEM, + }, { + .peri_id = (u8)DMACH_UART0_TX, + .rqtype = MEMTODEV, + }, { + .peri_id = (u8)DMACH_UART1_RX, + .rqtype = DEVTOMEM, + }, { + .peri_id = (u8)DMACH_UART1_TX, + .rqtype = MEMTODEV, + }, { + .peri_id = (u8)DMACH_UART2_RX, + .rqtype = DEVTOMEM, + }, { + .peri_id = (u8)DMACH_UART2_TX, + .rqtype = MEMTODEV, + }, { + .peri_id = (u8)DMACH_UART3_RX, + .rqtype = DEVTOMEM, + }, { + .peri_id = (u8)DMACH_UART3_TX, + .rqtype = MEMTODEV, + }, { + .peri_id = DMACH_MAX, + }, { + .peri_id = (u8)DMACH_I2S0_RX, + .rqtype = DEVTOMEM, + }, { + .peri_id = (u8)DMACH_I2S0_TX, + .rqtype = MEMTODEV, + }, { + .peri_id = (u8)DMACH_I2S0S_TX, + .rqtype = MEMTODEV, + }, { + .peri_id = (u8)DMACH_I2S1_RX, + .rqtype = DEVTOMEM, + }, { + .peri_id = (u8)DMACH_I2S1_TX, + .rqtype = MEMTODEV, + }, { + .peri_id = (u8)DMACH_MAX, + }, { + .peri_id = (u8)DMACH_MAX, + }, { + .peri_id = (u8)DMACH_SPI0_RX, + .rqtype = DEVTOMEM, + }, { + .peri_id = (u8)DMACH_SPI0_TX, + .rqtype = MEMTODEV, + }, { + .peri_id = (u8)DMACH_SPI1_RX, + .rqtype = DEVTOMEM, + }, { + .peri_id = (u8)DMACH_SPI1_TX, + .rqtype = MEMTODEV, + }, { + .peri_id = (u8)DMACH_MAX, + }, { + .peri_id = (u8)DMACH_MAX, + }, { + .peri_id = (u8)DMACH_AC97_MICIN, + .rqtype = DEVTOMEM, + }, { + .peri_id = (u8)DMACH_AC97_PCMIN, + .rqtype = DEVTOMEM, + }, { + .peri_id = (u8)DMACH_AC97_PCMOUT, + .rqtype = MEMTODEV, + }, { + .peri_id = (u8)DMACH_MAX, + }, { + .peri_id = (u8)DMACH_PWM, + }, { + .peri_id = (u8)DMACH_SPDIF, + .rqtype = MEMTODEV, }, }; -static struct s3c_pl330_platdata s5pv210_pdma0_pdata = { - .peri = { - [0] = DMACH_UART0_RX, - [1] = DMACH_UART0_TX, - [2] = DMACH_UART1_RX, - [3] = DMACH_UART1_TX, - [4] = DMACH_UART2_RX, - [5] = DMACH_UART2_TX, - [6] = DMACH_UART3_RX, - [7] = DMACH_UART3_TX, - [8] = DMACH_MAX, - [9] = DMACH_I2S0_RX, - [10] = DMACH_I2S0_TX, - [11] = DMACH_I2S0S_TX, - [12] = DMACH_I2S1_RX, - [13] = DMACH_I2S1_TX, - [14] = DMACH_MAX, - [15] = DMACH_MAX, - [16] = DMACH_SPI0_RX, - [17] = DMACH_SPI0_TX, - [18] = DMACH_SPI1_RX, - [19] = DMACH_SPI1_TX, - [20] = DMACH_MAX, - [21] = DMACH_MAX, - [22] = DMACH_AC97_MICIN, - [23] = DMACH_AC97_PCMIN, - [24] = DMACH_AC97_PCMOUT, - [25] = DMACH_MAX, - [26] = DMACH_PWM, - [27] = DMACH_SPDIF, - [28] = DMACH_MAX, - [29] = DMACH_MAX, - [30] = DMACH_MAX, - [31] = DMACH_MAX, - }, +struct dma_pl330_platdata s5pv210_pdma0_pdata = { + .nr_valid_peri = ARRAY_SIZE(pdma0_peri), + .peri = pdma0_peri, }; -static struct platform_device s5pv210_device_pdma0 = { - .name = "s3c-pl330", - .id = 0, - .num_resources = ARRAY_SIZE(s5pv210_pdma0_resource), - .resource = s5pv210_pdma0_resource, - .dev = { +struct amba_device s5pv210_device_pdma0 = { + .dev = { + .init_name = "dma-pl330.0", .dma_mask = &dma_dmamask, .coherent_dma_mask = DMA_BIT_MASK(32), .platform_data = &s5pv210_pdma0_pdata, }, -}; - -static struct resource s5pv210_pdma1_resource[] = { - [0] = { - .start = S5PV210_PA_PDMA1, - .end = S5PV210_PA_PDMA1 + SZ_4K, + .res = { + .start = S5PV210_PA_PDMA0, + .end = S5PV210_PA_PDMA0 + SZ_4K, .flags = IORESOURCE_MEM, }, - [1] = { - .start = IRQ_PDMA1, - .end = IRQ_PDMA1, - .flags = IORESOURCE_IRQ, - }, + .irq = {IRQ_PDMA0, NO_IRQ}, + .periphid = 0x00041330, }; -static struct s3c_pl330_platdata s5pv210_pdma1_pdata = { - .peri = { - [0] = DMACH_UART0_RX, - [1] = DMACH_UART0_TX, - [2] = DMACH_UART1_RX, - [3] = DMACH_UART1_TX, - [4] = DMACH_UART2_RX, - [5] = DMACH_UART2_TX, - [6] = DMACH_UART3_RX, - [7] = DMACH_UART3_TX, - [8] = DMACH_MAX, - [9] = DMACH_I2S0_RX, - [10] = DMACH_I2S0_TX, - [11] = DMACH_I2S0S_TX, - [12] = DMACH_I2S1_RX, - [13] = DMACH_I2S1_TX, - [14] = DMACH_I2S2_RX, - [15] = DMACH_I2S2_TX, - [16] = DMACH_SPI0_RX, - [17] = DMACH_SPI0_TX, - [18] = DMACH_SPI1_RX, - [19] = DMACH_SPI1_TX, - [20] = DMACH_MAX, - [21] = DMACH_MAX, - [22] = DMACH_PCM0_RX, - [23] = DMACH_PCM0_TX, - [24] = DMACH_PCM1_RX, - [25] = DMACH_PCM1_TX, - [26] = DMACH_MSM_REQ0, - [27] = DMACH_MSM_REQ1, - [28] = DMACH_MSM_REQ2, - [29] = DMACH_MSM_REQ3, - [30] = DMACH_PCM2_RX, - [31] = DMACH_PCM2_TX, +struct dma_pl330_peri pdma1_peri[32] = { + { + .peri_id = (u8)DMACH_UART0_RX, + .rqtype = DEVTOMEM, + }, { + .peri_id = (u8)DMACH_UART0_TX, + .rqtype = MEMTODEV, + }, { + .peri_id = (u8)DMACH_UART1_RX, + .rqtype = DEVTOMEM, + }, { + .peri_id = (u8)DMACH_UART1_TX, + .rqtype = MEMTODEV, + }, { + .peri_id = (u8)DMACH_UART2_RX, + .rqtype = DEVTOMEM, + }, { + .peri_id = (u8)DMACH_UART2_TX, + .rqtype = MEMTODEV, + }, { + .peri_id = (u8)DMACH_UART3_RX, + .rqtype = DEVTOMEM, + }, { + .peri_id = (u8)DMACH_UART3_TX, + .rqtype = MEMTODEV, + }, { + .peri_id = DMACH_MAX, + }, { + .peri_id = (u8)DMACH_I2S0_RX, + .rqtype = DEVTOMEM, + }, { + .peri_id = (u8)DMACH_I2S0_TX, + .rqtype = MEMTODEV, + }, { + .peri_id = (u8)DMACH_I2S0S_TX, + .rqtype = MEMTODEV, + }, { + .peri_id = (u8)DMACH_I2S1_RX, + .rqtype = DEVTOMEM, + }, { + .peri_id = (u8)DMACH_I2S1_TX, + .rqtype = MEMTODEV, + }, { + .peri_id = (u8)DMACH_I2S2_RX, + .rqtype = DEVTOMEM, + }, { + .peri_id = (u8)DMACH_I2S2_TX, + .rqtype = MEMTODEV, + }, { + .peri_id = (u8)DMACH_SPI0_RX, + .rqtype = DEVTOMEM, + }, { + .peri_id = (u8)DMACH_SPI0_TX, + .rqtype = MEMTODEV, + }, { + .peri_id = (u8)DMACH_SPI1_RX, + .rqtype = DEVTOMEM, + }, { + .peri_id = (u8)DMACH_SPI1_TX, + .rqtype = MEMTODEV, + }, { + .peri_id = (u8)DMACH_MAX, + }, { + .peri_id = (u8)DMACH_MAX, + }, { + .peri_id = (u8)DMACH_PCM0_RX, + .rqtype = DEVTOMEM, + }, { + .peri_id = (u8)DMACH_PCM0_TX, + .rqtype = MEMTODEV, + }, { + .peri_id = (u8)DMACH_PCM1_RX, + .rqtype = DEVTOMEM, + }, { + .peri_id = (u8)DMACH_PCM1_TX, + .rqtype = MEMTODEV, + }, { + .peri_id = (u8)DMACH_MSM_REQ0, + }, { + .peri_id = (u8)DMACH_MSM_REQ1, + }, { + .peri_id = (u8)DMACH_MSM_REQ2, + }, { + .peri_id = (u8)DMACH_MSM_REQ3, + }, { + .peri_id = (u8)DMACH_PCM2_RX, + .rqtype = DEVTOMEM, + }, { + .peri_id = (u8)DMACH_PCM2_TX, + .rqtype = MEMTODEV, }, }; -static struct platform_device s5pv210_device_pdma1 = { - .name = "s3c-pl330", - .id = 1, - .num_resources = ARRAY_SIZE(s5pv210_pdma1_resource), - .resource = s5pv210_pdma1_resource, - .dev = { +struct dma_pl330_platdata s5pv210_pdma1_pdata = { + .nr_valid_peri = ARRAY_SIZE(pdma1_peri), + .peri = pdma1_peri, +}; + +struct amba_device s5pv210_device_pdma1 = { + .dev = { + .init_name = "dma-pl330.1", .dma_mask = &dma_dmamask, .coherent_dma_mask = DMA_BIT_MASK(32), .platform_data = &s5pv210_pdma1_pdata, }, -}; - -static struct platform_device *s5pv210_dmacs[] __initdata = { - &s5pv210_device_pdma0, - &s5pv210_device_pdma1, + .res = { + .start = S5PV210_PA_PDMA1, + .end = S5PV210_PA_PDMA1 + SZ_4K, + .flags = IORESOURCE_MEM, + }, + .irq = {IRQ_PDMA1, NO_IRQ}, + .periphid = 0x00041330, }; static int __init s5pv210_dma_init(void) { - platform_add_devices(s5pv210_dmacs, ARRAY_SIZE(s5pv210_dmacs)); + amba_device_register(&s5pv210_device_pdma0, &iomem_resource); + amba_device_register(&s5pv210_device_pdma1, &iomem_resource); return 0; } diff --git a/arch/arm/mach-s5pv210/include/mach/dma.h b/arch/arm/mach-s5pv210/include/mach/dma.h index 81209eb1409b..201842a3769e 100644 --- a/arch/arm/mach-s5pv210/include/mach/dma.h +++ b/arch/arm/mach-s5pv210/include/mach/dma.h @@ -20,7 +20,7 @@ #ifndef __MACH_DMA_H #define __MACH_DMA_H -/* This platform uses the common S3C DMA API driver for PL330 */ -#include <plat/s3c-dma-pl330.h> +/* This platform uses the common DMA API driver for PL330 */ +#include <plat/dma-pl330.h> #endif /* __MACH_DMA_H */ diff --git a/arch/arm/mach-s5pv210/include/mach/i2c-hdmiphy.h b/arch/arm/mach-s5pv210/include/mach/i2c-hdmiphy.h new file mode 100644 index 000000000000..6afa6242c588 --- /dev/null +++ b/arch/arm/mach-s5pv210/include/mach/i2c-hdmiphy.h @@ -0,0 +1,16 @@ +/* + * Copyright (C) 2011 Samsung Electronics Co., Ltd. + * + * S5P series i2c hdmiphy helper definitions + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ + +#ifndef PLAT_S5P_I2C_HDMIPHY_H_ +#define PLAT_S5P_I2C_HDMIPHY_H_ + +#define S5P_I2C_HDMIPHY_BUS_NUM (3) + +#endif diff --git a/arch/arm/mach-s5pv210/include/mach/irqs.h b/arch/arm/mach-s5pv210/include/mach/irqs.h index b9f9ec33384d..5e0de3a31f3d 100644 --- a/arch/arm/mach-s5pv210/include/mach/irqs.h +++ b/arch/arm/mach-s5pv210/include/mach/irqs.h @@ -56,7 +56,7 @@ #define IRQ_SPI2 S5P_IRQ_VIC1(17) #define IRQ_IRDA S5P_IRQ_VIC1(18) #define IRQ_IIC2 S5P_IRQ_VIC1(19) -#define IRQ_IIC3 S5P_IRQ_VIC1(20) +#define IRQ_IIC_HDMIPHY S5P_IRQ_VIC1(20) #define IRQ_HSIRX S5P_IRQ_VIC1(21) #define IRQ_HSITX S5P_IRQ_VIC1(22) #define IRQ_UHOST S5P_IRQ_VIC1(23) @@ -86,7 +86,7 @@ #define IRQ_HDMI S5P_IRQ_VIC2(12) #define IRQ_IIC1 S5P_IRQ_VIC2(13) #define IRQ_MFC S5P_IRQ_VIC2(14) -#define IRQ_TVENC S5P_IRQ_VIC2(15) +#define IRQ_SDO S5P_IRQ_VIC2(15) #define IRQ_I2S0 S5P_IRQ_VIC2(16) #define IRQ_I2S1 S5P_IRQ_VIC2(17) #define IRQ_I2S2 S5P_IRQ_VIC2(18) diff --git a/arch/arm/mach-s5pv210/include/mach/map.h b/arch/arm/mach-s5pv210/include/mach/map.h index aac343c180b2..7ff609f1568b 100644 --- a/arch/arm/mach-s5pv210/include/mach/map.h +++ b/arch/arm/mach-s5pv210/include/mach/map.h @@ -90,6 +90,12 @@ #define S5PV210_PA_FIMC1 0xFB300000 #define S5PV210_PA_FIMC2 0xFB400000 +#define S5PV210_PA_SDO 0xF9000000 +#define S5PV210_PA_VP 0xF9100000 +#define S5PV210_PA_MIXER 0xF9200000 +#define S5PV210_PA_HDMI 0xFA100000 +#define S5PV210_PA_IIC_HDMIPHY 0xFA900000 + /* Compatibiltiy Defines */ #define S3C_PA_FB S5PV210_PA_FB @@ -110,6 +116,13 @@ #define S5P_PA_FIMC2 S5PV210_PA_FIMC2 #define S5P_PA_MIPI_CSIS0 S5PV210_PA_MIPI_CSIS #define S5P_PA_MFC S5PV210_PA_MFC +#define S5P_PA_IIC_HDMIPHY S5PV210_PA_IIC_HDMIPHY + +#define S5P_PA_SDO S5PV210_PA_SDO +#define S5P_PA_VP S5PV210_PA_VP +#define S5P_PA_MIXER S5PV210_PA_MIXER +#define S5P_PA_HDMI S5PV210_PA_HDMI + #define S5P_PA_ONENAND S5PC110_PA_ONENAND #define S5P_PA_ONENAND_DMA S5PC110_PA_ONENAND_DMA #define S5P_PA_SDRAM S5PV210_PA_SDRAM diff --git a/arch/arm/mach-s5pv210/include/mach/pm-core.h b/arch/arm/mach-s5pv210/include/mach/pm-core.h index 3e22109e1b7b..eba8aea63ed8 100644 --- a/arch/arm/mach-s5pv210/include/mach/pm-core.h +++ b/arch/arm/mach-s5pv210/include/mach/pm-core.h @@ -43,4 +43,4 @@ static inline void s3c_pm_arch_update_uart(void __iomem *regs, } static inline void s3c_pm_restored_gpios(void) { } -static inline void s3c_pm_saved_gpios(void) { } +static inline void samsung_pm_saved_gpios(void) { } diff --git a/arch/arm/mach-s5pv210/include/mach/regs-clock.h b/arch/arm/mach-s5pv210/include/mach/regs-clock.h index 78925c516346..032de66fb8be 100644 --- a/arch/arm/mach-s5pv210/include/mach/regs-clock.h +++ b/arch/arm/mach-s5pv210/include/mach/regs-clock.h @@ -144,8 +144,9 @@ #define S5P_OTHERS S5P_CLKREG(0xE000) #define S5P_OM_STAT S5P_CLKREG(0xE100) +#define S5P_HDMI_PHY_CONTROL S5P_CLKREG(0xE804) #define S5P_USB_PHY_CONTROL S5P_CLKREG(0xE80C) -#define S5P_DAC_CONTROL S5P_CLKREG(0xE810) +#define S5P_DAC_PHY_CONTROL S5P_CLKREG(0xE810) #define S5P_MIPI_DPHY_CONTROL(x) S5P_CLKREG(0xE814) #define S5P_MIPI_DPHY_ENABLE (1 << 0) #define S5P_MIPI_DPHY_SRESETN (1 << 1) diff --git a/arch/arm/mach-s5pv210/mach-goni.c b/arch/arm/mach-s5pv210/mach-goni.c index 85c2d51a0956..01e4867e25ad 100644 --- a/arch/arm/mach-s5pv210/mach-goni.c +++ b/arch/arm/mach-s5pv210/mach-goni.c @@ -48,6 +48,11 @@ #include <plat/s5p-time.h> #include <plat/mfc.h> #include <plat/regs-fb-v4.h> +#include <plat/camport.h> + +#include <media/v4l2-mediabus.h> +#include <media/s5p_fimc.h> +#include <media/noon010pc30.h> /* Following are default values for UCON, ULCON and UFCON UART registers */ #define GONI_UCON_DEFAULT (S3C2410_UCON_TXILEVEL | \ @@ -272,6 +277,14 @@ static void __init goni_tsp_init(void) i2c2_devs[0].irq = gpio_to_irq(gpio); } +static void goni_camera_init(void) +{ + s5pv210_fimc_setup_gpio(S5P_CAMPORT_A); + + /* Set max driver strength on CAM_A_CLKOUT pin. */ + s5p_gpio_set_drvstr(S5PV210_GPE1(3), S5P_GPIO_DRVSTR_LV4); +} + /* MAX8998 regulators */ #if defined(CONFIG_REGULATOR_MAX8998) || defined(CONFIG_REGULATOR_MAX8998_MODULE) @@ -285,6 +298,7 @@ static struct regulator_consumer_supply goni_ldo5_consumers[] = { static struct regulator_consumer_supply goni_ldo8_consumers[] = { REGULATOR_SUPPLY("vusb_d", "s3c-hsotg"), + REGULATOR_SUPPLY("vdd33a_dac", "s5p-sdo"), }; static struct regulator_consumer_supply goni_ldo11_consumers[] = { @@ -475,6 +489,10 @@ static struct regulator_consumer_supply buck1_consumer = static struct regulator_consumer_supply buck2_consumer = REGULATOR_SUPPLY("vddint", NULL); +static struct regulator_consumer_supply buck3_consumer = + REGULATOR_SUPPLY("vdet", "s5p-sdo"); + + static struct regulator_init_data goni_buck1_data = { .constraints = { .name = "VARM_1.2V", @@ -511,6 +529,8 @@ static struct regulator_init_data goni_buck3_data = { .enabled = 1, }, }, + .num_consumer_supplies = 1, + .consumer_supplies = &buck3_consumer, }; static struct regulator_init_data goni_buck4_data = { @@ -801,6 +821,39 @@ static void goni_setup_sdhci(void) s3c_sdhci2_set_platdata(&goni_hsmmc2_data); }; +static struct noon010pc30_platform_data noon010pc30_pldata = { + .clk_rate = 16000000UL, + .gpio_nreset = S5PV210_GPB(2), /* CAM_CIF_NRST */ + .gpio_nstby = S5PV210_GPB(0), /* CAM_CIF_NSTBY */ +}; + +static struct i2c_board_info noon010pc30_board_info = { + I2C_BOARD_INFO("NOON010PC30", 0x60 >> 1), + .platform_data = &noon010pc30_pldata, +}; + +static struct s5p_fimc_isp_info goni_camera_sensors[] = { + { + .mux_id = 0, + .flags = V4L2_MBUS_PCLK_SAMPLE_FALLING | + V4L2_MBUS_VSYNC_ACTIVE_LOW, + .bus_type = FIMC_ITU_601, + .board_info = &noon010pc30_board_info, + .i2c_bus_num = 0, + .clk_frequency = 16000000UL, + }, +}; + +struct s5p_platform_fimc goni_fimc_md_platdata __initdata = { + .isp_info = goni_camera_sensors, + .num_clients = ARRAY_SIZE(goni_camera_sensors), +}; + +struct platform_device s5p_device_fimc_md = { + .name = "s5p-fimc-md", + .id = -1, +}; + static struct platform_device *goni_devices[] __initdata = { &s3c_device_fb, &s5p_device_onenand, @@ -812,10 +865,13 @@ static struct platform_device *goni_devices[] __initdata = { &s5p_device_mfc, &s5p_device_mfc_l, &s5p_device_mfc_r, + &s5p_device_mixer, + &s5p_device_sdo, &s3c_device_i2c0, &s5p_device_fimc0, &s5p_device_fimc1, &s5p_device_fimc2, + &s5p_device_fimc_md, &s3c_device_hsmmc0, &s3c_device_hsmmc1, &s3c_device_hsmmc2, @@ -884,6 +940,12 @@ static void __init goni_machine_init(void) /* FB */ s3c_fb_set_platdata(&goni_lcd_pdata); + /* FIMC */ + s3c_set_platdata(&goni_fimc_md_platdata, sizeof(goni_fimc_md_platdata), + &s5p_device_fimc_md); + + goni_camera_init(); + /* SPI */ spi_register_board_info(spi_board_info, ARRAY_SIZE(spi_board_info)); diff --git a/arch/arm/mm/cache-v7.S b/arch/arm/mm/cache-v7.S index 3b24bfa3b828..07c4bc8ea0a4 100644 --- a/arch/arm/mm/cache-v7.S +++ b/arch/arm/mm/cache-v7.S @@ -174,6 +174,10 @@ ENTRY(v7_coherent_user_range) dcache_line_size r2, r3 sub r3, r2, #1 bic r12, r0, r3 +#ifdef CONFIG_ARM_ERRATA_764369 + ALT_SMP(W(dsb)) + ALT_UP(W(nop)) +#endif 1: USER( mcr p15, 0, r12, c7, c11, 1 ) @ clean D line to the point of unification add r12, r12, r2 @@ -223,6 +227,10 @@ ENTRY(v7_flush_kern_dcache_area) add r1, r0, r1 sub r3, r2, #1 bic r0, r0, r3 +#ifdef CONFIG_ARM_ERRATA_764369 + ALT_SMP(W(dsb)) + ALT_UP(W(nop)) +#endif 1: mcr p15, 0, r0, c7, c14, 1 @ clean & invalidate D line / unified line add r0, r0, r2 @@ -247,6 +255,10 @@ v7_dma_inv_range: sub r3, r2, #1 tst r0, r3 bic r0, r0, r3 +#ifdef CONFIG_ARM_ERRATA_764369 + ALT_SMP(W(dsb)) + ALT_UP(W(nop)) +#endif mcrne p15, 0, r0, c7, c14, 1 @ clean & invalidate D / U line tst r1, r3 @@ -270,6 +282,10 @@ v7_dma_clean_range: dcache_line_size r2, r3 sub r3, r2, #1 bic r0, r0, r3 +#ifdef CONFIG_ARM_ERRATA_764369 + ALT_SMP(W(dsb)) + ALT_UP(W(nop)) +#endif 1: mcr p15, 0, r0, c7, c10, 1 @ clean D / U line add r0, r0, r2 @@ -288,6 +304,10 @@ ENTRY(v7_dma_flush_range) dcache_line_size r2, r3 sub r3, r2, #1 bic r0, r0, r3 +#ifdef CONFIG_ARM_ERRATA_764369 + ALT_SMP(W(dsb)) + ALT_UP(W(nop)) +#endif 1: mcr p15, 0, r0, c7, c14, 1 @ clean & invalidate D / U line add r0, r0, r2 diff --git a/arch/arm/mm/dma-mapping.c b/arch/arm/mm/dma-mapping.c index 0a0a1e7c20d2..c3ff82f92d9c 100644 --- a/arch/arm/mm/dma-mapping.c +++ b/arch/arm/mm/dma-mapping.c @@ -324,6 +324,8 @@ __dma_alloc(struct device *dev, size_t size, dma_addr_t *handle, gfp_t gfp, if (addr) *handle = pfn_to_dma(dev, page_to_pfn(page)); + else + __dma_free_buffer(page, size); return addr; } diff --git a/arch/arm/plat-s3c24xx/Kconfig b/arch/arm/plat-s3c24xx/Kconfig index 8c5b3029b39f..d8973ac46bc4 100644 --- a/arch/arm/plat-s3c24xx/Kconfig +++ b/arch/arm/plat-s3c24xx/Kconfig @@ -9,7 +9,6 @@ config PLAT_S3C24XX select NO_IOPORT select ARCH_REQUIRE_GPIOLIB select S3C_DEV_NAND - select S3C_GPIO_CFG_S3C24XX help Base platform code for any Samsung S3C24XX device diff --git a/arch/arm/plat-s3c24xx/Makefile b/arch/arm/plat-s3c24xx/Makefile index 0291bd6e236e..e4f46495ed30 100644 --- a/arch/arm/plat-s3c24xx/Makefile +++ b/arch/arm/plat-s3c24xx/Makefile @@ -15,8 +15,6 @@ obj- := obj-y += cpu.o obj-y += irq.o obj-y += devs.o -obj-y += gpio.o -obj-y += gpiolib.o obj-y += clock.o obj-$(CONFIG_S3C24XX_DCLK) += clock-dclk.o diff --git a/arch/arm/plat-s3c24xx/cpu.c b/arch/arm/plat-s3c24xx/cpu.c index c1fc6c6fac72..3c6335307fb1 100644 --- a/arch/arm/plat-s3c24xx/cpu.c +++ b/arch/arm/plat-s3c24xx/cpu.c @@ -215,19 +215,18 @@ static void s3c24xx_pm_restart(char mode, const char *cmd) void __init s3c24xx_init_io(struct map_desc *mach_desc, int size) { - unsigned long idcode = 0x0; - /* initialise the io descriptors we need for initialisation */ iotable_init(mach_desc, size); iotable_init(s3c_iodesc, ARRAY_SIZE(s3c_iodesc)); if (cpu_architecture() >= CPU_ARCH_ARMv5) { - idcode = s3c24xx_read_idcode_v5(); + samsung_cpu_id = s3c24xx_read_idcode_v5(); } else { - idcode = s3c24xx_read_idcode_v4(); + samsung_cpu_id = s3c24xx_read_idcode_v4(); } + s3c24xx_init_cpu(); arm_pm_restart = s3c24xx_pm_restart; - s3c_init_cpu(idcode, cpu_ids, ARRAY_SIZE(cpu_ids)); + s3c_init_cpu(samsung_cpu_id, cpu_ids, ARRAY_SIZE(cpu_ids)); } diff --git a/arch/arm/plat-s3c24xx/dma.c b/arch/arm/plat-s3c24xx/dma.c index 539bd0e3defd..53754bcf15a7 100644 --- a/arch/arm/plat-s3c24xx/dma.c +++ b/arch/arm/plat-s3c24xx/dma.c @@ -1094,14 +1094,14 @@ EXPORT_SYMBOL(s3c2410_dma_config); * * configure the dma source/destination hardware type and address * - * source: S3C2410_DMASRC_HW: source is hardware - * S3C2410_DMASRC_MEM: source is memory + * source: DMA_FROM_DEVICE: source is hardware + * DMA_TO_DEVICE: source is memory * * devaddr: physical address of the source */ int s3c2410_dma_devconfig(enum dma_ch channel, - enum s3c2410_dmasrc source, + enum dma_data_direction source, unsigned long devaddr) { struct s3c2410_dma_chan *chan = s3c_dma_lookup_channel(channel); @@ -1131,7 +1131,7 @@ int s3c2410_dma_devconfig(enum dma_ch channel, hwcfg |= S3C2410_DISRCC_INC; switch (source) { - case S3C2410_DMASRC_HW: + case DMA_FROM_DEVICE: /* source is hardware */ pr_debug("%s: hw source, devaddr=%08lx, hwcfg=%d\n", __func__, devaddr, hwcfg); @@ -1142,7 +1142,7 @@ int s3c2410_dma_devconfig(enum dma_ch channel, chan->addr_reg = dma_regaddr(chan, S3C2410_DMA_DIDST); break; - case S3C2410_DMASRC_MEM: + case DMA_TO_DEVICE: /* source is memory */ pr_debug("%s: mem source, devaddr=%08lx, hwcfg=%d\n", __func__, devaddr, hwcfg); diff --git a/arch/arm/plat-s3c24xx/gpio.c b/arch/arm/plat-s3c24xx/gpio.c deleted file mode 100644 index 2f3d7c089dfa..000000000000 --- a/arch/arm/plat-s3c24xx/gpio.c +++ /dev/null @@ -1,96 +0,0 @@ -/* linux/arch/arm/plat-s3c24xx/gpio.c - * - * Copyright (c) 2004-2010 Simtec Electronics - * Ben Dooks <ben@simtec.co.uk> - * - * S3C24XX GPIO support - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA -*/ - -#include <linux/kernel.h> -#include <linux/init.h> -#include <linux/module.h> -#include <linux/interrupt.h> -#include <linux/ioport.h> -#include <linux/gpio.h> -#include <linux/io.h> - -#include <mach/hardware.h> -#include <mach/gpio-fns.h> -#include <asm/irq.h> - -#include <mach/regs-gpio.h> - -#include <plat/gpio-core.h> - -/* gpiolib wrappers until these are totally eliminated */ - -void s3c2410_gpio_pullup(unsigned int pin, unsigned int to) -{ - int ret; - - WARN_ON(to); /* should be none of these left */ - - if (!to) { - /* if pull is enabled, try first with up, and if that - * fails, try using down */ - - ret = s3c_gpio_setpull(pin, S3C_GPIO_PULL_UP); - if (ret) - s3c_gpio_setpull(pin, S3C_GPIO_PULL_DOWN); - } else { - s3c_gpio_setpull(pin, S3C_GPIO_PULL_NONE); - } -} -EXPORT_SYMBOL(s3c2410_gpio_pullup); - -void s3c2410_gpio_setpin(unsigned int pin, unsigned int to) -{ - /* do this via gpiolib until all users removed */ - - gpio_request(pin, "temporary"); - gpio_set_value(pin, to); - gpio_free(pin); -} - -EXPORT_SYMBOL(s3c2410_gpio_setpin); - -unsigned int s3c2410_gpio_getpin(unsigned int pin) -{ - struct s3c_gpio_chip *chip = s3c_gpiolib_getchip(pin); - unsigned long offs = pin - chip->chip.base; - - return __raw_readl(chip->base + 0x04) & (1<< offs); -} - -EXPORT_SYMBOL(s3c2410_gpio_getpin); - -unsigned int s3c2410_modify_misccr(unsigned int clear, unsigned int change) -{ - unsigned long flags; - unsigned long misccr; - - local_irq_save(flags); - misccr = __raw_readl(S3C24XX_MISCCR); - misccr &= ~clear; - misccr ^= change; - __raw_writel(misccr, S3C24XX_MISCCR); - local_irq_restore(flags); - - return misccr; -} - -EXPORT_SYMBOL(s3c2410_modify_misccr); diff --git a/arch/arm/plat-s3c24xx/gpiolib.c b/arch/arm/plat-s3c24xx/gpiolib.c deleted file mode 100644 index 243b6411050d..000000000000 --- a/arch/arm/plat-s3c24xx/gpiolib.c +++ /dev/null @@ -1,229 +0,0 @@ -/* linux/arch/arm/plat-s3c24xx/gpiolib.c - * - * Copyright (c) 2008-2010 Simtec Electronics - * http://armlinux.simtec.co.uk/ - * Ben Dooks <ben@simtec.co.uk> - * - * S3C24XX GPIOlib support - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License. -*/ - -#include <linux/kernel.h> -#include <linux/init.h> -#include <linux/module.h> -#include <linux/interrupt.h> -#include <linux/sysdev.h> -#include <linux/ioport.h> -#include <linux/io.h> -#include <linux/gpio.h> - -#include <plat/gpio-core.h> -#include <plat/gpio-cfg.h> -#include <plat/gpio-cfg-helpers.h> -#include <mach/hardware.h> -#include <asm/irq.h> -#include <plat/pm.h> - -#include <mach/regs-gpio.h> - -static int s3c24xx_gpiolib_banka_input(struct gpio_chip *chip, unsigned offset) -{ - return -EINVAL; -} - -static int s3c24xx_gpiolib_banka_output(struct gpio_chip *chip, - unsigned offset, int value) -{ - struct s3c_gpio_chip *ourchip = to_s3c_gpio(chip); - void __iomem *base = ourchip->base; - unsigned long flags; - unsigned long dat; - unsigned long con; - - local_irq_save(flags); - - con = __raw_readl(base + 0x00); - dat = __raw_readl(base + 0x04); - - dat &= ~(1 << offset); - if (value) - dat |= 1 << offset; - - __raw_writel(dat, base + 0x04); - - con &= ~(1 << offset); - - __raw_writel(con, base + 0x00); - __raw_writel(dat, base + 0x04); - - local_irq_restore(flags); - return 0; -} - -static int s3c24xx_gpiolib_bankf_toirq(struct gpio_chip *chip, unsigned offset) -{ - if (offset < 4) - return IRQ_EINT0 + offset; - - if (offset < 8) - return IRQ_EINT4 + offset - 4; - - return -EINVAL; -} - -static struct s3c_gpio_cfg s3c24xx_gpiocfg_banka = { - .set_config = s3c_gpio_setcfg_s3c24xx_a, - .get_config = s3c_gpio_getcfg_s3c24xx_a, -}; - -struct s3c_gpio_cfg s3c24xx_gpiocfg_default = { - .set_config = s3c_gpio_setcfg_s3c24xx, - .get_config = s3c_gpio_getcfg_s3c24xx, -}; - -struct s3c_gpio_chip s3c24xx_gpios[] = { - [0] = { - .base = S3C2410_GPACON, - .pm = __gpio_pm(&s3c_gpio_pm_1bit), - .config = &s3c24xx_gpiocfg_banka, - .chip = { - .base = S3C2410_GPA(0), - .owner = THIS_MODULE, - .label = "GPIOA", - .ngpio = 24, - .direction_input = s3c24xx_gpiolib_banka_input, - .direction_output = s3c24xx_gpiolib_banka_output, - }, - }, - [1] = { - .base = S3C2410_GPBCON, - .pm = __gpio_pm(&s3c_gpio_pm_2bit), - .chip = { - .base = S3C2410_GPB(0), - .owner = THIS_MODULE, - .label = "GPIOB", - .ngpio = 16, - }, - }, - [2] = { - .base = S3C2410_GPCCON, - .pm = __gpio_pm(&s3c_gpio_pm_2bit), - .chip = { - .base = S3C2410_GPC(0), - .owner = THIS_MODULE, - .label = "GPIOC", - .ngpio = 16, - }, - }, - [3] = { - .base = S3C2410_GPDCON, - .pm = __gpio_pm(&s3c_gpio_pm_2bit), - .chip = { - .base = S3C2410_GPD(0), - .owner = THIS_MODULE, - .label = "GPIOD", - .ngpio = 16, - }, - }, - [4] = { - .base = S3C2410_GPECON, - .pm = __gpio_pm(&s3c_gpio_pm_2bit), - .chip = { - .base = S3C2410_GPE(0), - .label = "GPIOE", - .owner = THIS_MODULE, - .ngpio = 16, - }, - }, - [5] = { - .base = S3C2410_GPFCON, - .pm = __gpio_pm(&s3c_gpio_pm_2bit), - .chip = { - .base = S3C2410_GPF(0), - .owner = THIS_MODULE, - .label = "GPIOF", - .ngpio = 8, - .to_irq = s3c24xx_gpiolib_bankf_toirq, - }, - }, - [6] = { - .base = S3C2410_GPGCON, - .pm = __gpio_pm(&s3c_gpio_pm_2bit), - .irq_base = IRQ_EINT8, - .chip = { - .base = S3C2410_GPG(0), - .owner = THIS_MODULE, - .label = "GPIOG", - .ngpio = 16, - .to_irq = samsung_gpiolib_to_irq, - }, - }, { - .base = S3C2410_GPHCON, - .pm = __gpio_pm(&s3c_gpio_pm_2bit), - .chip = { - .base = S3C2410_GPH(0), - .owner = THIS_MODULE, - .label = "GPIOH", - .ngpio = 11, - }, - }, - /* GPIOS for the S3C2443 and later devices. */ - { - .base = S3C2440_GPJCON, - .pm = __gpio_pm(&s3c_gpio_pm_2bit), - .chip = { - .base = S3C2410_GPJ(0), - .owner = THIS_MODULE, - .label = "GPIOJ", - .ngpio = 16, - }, - }, { - .base = S3C2443_GPKCON, - .pm = __gpio_pm(&s3c_gpio_pm_2bit), - .chip = { - .base = S3C2410_GPK(0), - .owner = THIS_MODULE, - .label = "GPIOK", - .ngpio = 16, - }, - }, { - .base = S3C2443_GPLCON, - .pm = __gpio_pm(&s3c_gpio_pm_2bit), - .chip = { - .base = S3C2410_GPL(0), - .owner = THIS_MODULE, - .label = "GPIOL", - .ngpio = 15, - }, - }, { - .base = S3C2443_GPMCON, - .pm = __gpio_pm(&s3c_gpio_pm_2bit), - .chip = { - .base = S3C2410_GPM(0), - .owner = THIS_MODULE, - .label = "GPIOM", - .ngpio = 2, - }, - }, -}; - - -static __init int s3c24xx_gpiolib_init(void) -{ - struct s3c_gpio_chip *chip = s3c24xx_gpios; - int gpn; - - for (gpn = 0; gpn < ARRAY_SIZE(s3c24xx_gpios); gpn++, chip++) { - if (!chip->config) - chip->config = &s3c24xx_gpiocfg_default; - - s3c_gpiolib_add(chip); - } - - return 0; -} - -core_initcall(s3c24xx_gpiolib_init); diff --git a/arch/arm/plat-s3c24xx/s3c2443-clock.c b/arch/arm/plat-s3c24xx/s3c2443-clock.c index 59552c0ea5fb..07a4c81587ac 100644 --- a/arch/arm/plat-s3c24xx/s3c2443-clock.c +++ b/arch/arm/plat-s3c24xx/s3c2443-clock.c @@ -205,9 +205,64 @@ static struct clksrc_clk clksrc_clks[] = { }, }; +static struct clk clk_i2s_ext = { + .name = "i2s-ext", +}; + +/* i2s_eplldiv + * + * This clock is the output from the I2S divisor of ESYSCLK, and is separate + * from the mux that comes after it (cannot merge into one single clock) +*/ + +static struct clksrc_clk clk_i2s_eplldiv = { + .clk = { + .name = "i2s-eplldiv", + .parent = &clk_esysclk.clk, + }, + .reg_div = { .reg = S3C2443_CLKDIV1, .size = 4, .shift = 12, }, +}; + +/* i2s-ref + * + * i2s bus reference clock, selectable from external, esysclk or epllref + * + * Note, this used to be two clocks, but was compressed into one. +*/ + +static struct clk *clk_i2s_srclist[] = { + [0] = &clk_i2s_eplldiv.clk, + [1] = &clk_i2s_ext, + [2] = &clk_epllref.clk, + [3] = &clk_epllref.clk, +}; + +static struct clksrc_clk clk_i2s = { + .clk = { + .name = "i2s-if", + .ctrlbit = S3C2443_SCLKCON_I2SCLK, + .enable = s3c2443_clkcon_enable_s, + + }, + .sources = &(struct clksrc_sources) { + .sources = clk_i2s_srclist, + .nr_sources = ARRAY_SIZE(clk_i2s_srclist), + }, + .reg_src = { .reg = S3C2443_CLKSRC, .size = 2, .shift = 14 }, +}; static struct clk init_clocks_off[] = { { + .name = "iis", + .parent = &clk_p, + .enable = s3c2443_clkcon_enable_p, + .ctrlbit = S3C2443_PCLKCON_IIS, + }, { + .name = "hsspi", + .parent = &clk_p, + .enable = s3c2443_clkcon_enable_p, + .ctrlbit = S3C2443_PCLKCON_HSSPI, + }, { .name = "adc", .parent = &clk_p, .enable = s3c2443_clkcon_enable_p, @@ -406,6 +461,8 @@ static struct clk *clks[] __initdata = { }; static struct clksrc_clk *clksrcs[] __initdata = { + &clk_i2s_eplldiv, + &clk_i2s, &clk_usb_bus_host, &clk_epllref, &clk_esysclk, diff --git a/arch/arm/plat-s5p/Kconfig b/arch/arm/plat-s5p/Kconfig index 9843c954c042..f9241a7a68ca 100644 --- a/arch/arm/plat-s5p/Kconfig +++ b/arch/arm/plat-s5p/Kconfig @@ -16,9 +16,6 @@ config PLAT_S5P select S3C_GPIO_TRACK select S5P_GPIO_DRVSTR select SAMSUNG_GPIOLIB_4BIT - select S3C_GPIO_CFG_S3C64XX - select S3C_GPIO_PULL_UPDOWN - select S3C_GPIO_CFG_S3C24XX select PLAT_SAMSUNG select SAMSUNG_CLKSRC select SAMSUNG_IRQ_VIC_TIMER @@ -76,6 +73,11 @@ config S5P_DEV_FIMD0 help Compile in platform device definitions for FIMD controller 0 +config S5P_DEV_I2C_HDMIPHY + bool + help + Compile in platform device definitions for I2C HDMIPHY controller + config S5P_DEV_MFC bool help @@ -96,6 +98,11 @@ config S5P_DEV_CSIS1 help Compile in platform device definitions for MIPI-CSIS channel 1 +config S5P_DEV_TV + bool + help + Compile in platform device definition for TV interface + config S5P_DEV_USB_EHCI bool help diff --git a/arch/arm/plat-s5p/Makefile b/arch/arm/plat-s5p/Makefile index 4b53e04eeca4..181201974b41 100644 --- a/arch/arm/plat-s5p/Makefile +++ b/arch/arm/plat-s5p/Makefile @@ -31,8 +31,10 @@ obj-$(CONFIG_S5P_DEV_FIMC1) += dev-fimc1.o obj-$(CONFIG_S5P_DEV_FIMC2) += dev-fimc2.o obj-$(CONFIG_S5P_DEV_FIMC3) += dev-fimc3.o obj-$(CONFIG_S5P_DEV_FIMD0) += dev-fimd0.o +obj-$(CONFIG_S5P_DEV_I2C_HDMIPHY) += dev-i2c-hdmiphy.o obj-$(CONFIG_S5P_DEV_ONENAND) += dev-onenand.o obj-$(CONFIG_S5P_DEV_CSIS0) += dev-csis0.o obj-$(CONFIG_S5P_DEV_CSIS1) += dev-csis1.o +obj-$(CONFIG_S5P_DEV_TV) += dev-tv.o obj-$(CONFIG_S5P_DEV_USB_EHCI) += dev-ehci.o obj-$(CONFIG_S5P_SETUP_MIPIPHY) += setup-mipiphy.o diff --git a/arch/arm/plat-s5p/cpu.c b/arch/arm/plat-s5p/cpu.c index bbc2aa7449ca..909507bae2fa 100644 --- a/arch/arm/plat-s5p/cpu.c +++ b/arch/arm/plat-s5p/cpu.c @@ -33,48 +33,57 @@ static const char name_s5p6450[] = "S5P6450"; static const char name_s5pc100[] = "S5PC100"; static const char name_s5pv210[] = "S5PV210/S5PC110"; static const char name_exynos4210[] = "EXYNOS4210"; +static const char name_exynos4212[] = "EXYNOS4212"; static struct cpu_table cpu_ids[] __initdata = { { - .idcode = 0x56440100, - .idmask = 0xfffff000, + .idcode = S5P6440_CPU_ID, + .idmask = S5P64XX_CPU_MASK, .map_io = s5p6440_map_io, .init_clocks = s5p6440_init_clocks, .init_uarts = s5p6440_init_uarts, .init = s5p64x0_init, .name = name_s5p6440, }, { - .idcode = 0x36450000, - .idmask = 0xfffff000, + .idcode = S5P6450_CPU_ID, + .idmask = S5P64XX_CPU_MASK, .map_io = s5p6450_map_io, .init_clocks = s5p6450_init_clocks, .init_uarts = s5p6450_init_uarts, .init = s5p64x0_init, .name = name_s5p6450, }, { - .idcode = 0x43100000, - .idmask = 0xfffff000, + .idcode = S5PC100_CPU_ID, + .idmask = S5PC100_CPU_MASK, .map_io = s5pc100_map_io, .init_clocks = s5pc100_init_clocks, .init_uarts = s5pc100_init_uarts, .init = s5pc100_init, .name = name_s5pc100, }, { - .idcode = 0x43110000, - .idmask = 0xfffff000, + .idcode = S5PV210_CPU_ID, + .idmask = S5PV210_CPU_MASK, .map_io = s5pv210_map_io, .init_clocks = s5pv210_init_clocks, .init_uarts = s5pv210_init_uarts, .init = s5pv210_init, .name = name_s5pv210, }, { - .idcode = 0x43210000, - .idmask = 0xfffe0000, + .idcode = EXYNOS4210_CPU_ID, + .idmask = EXYNOS4_CPU_MASK, .map_io = exynos4_map_io, .init_clocks = exynos4_init_clocks, .init_uarts = exynos4_init_uarts, .init = exynos4_init, .name = name_exynos4210, + }, { + .idcode = EXYNOS4212_CPU_ID, + .idmask = EXYNOS4_CPU_MASK, + .map_io = exynos4_map_io, + .init_clocks = exynos4_init_clocks, + .init_uarts = exynos4_init_uarts, + .init = exynos4_init, + .name = name_exynos4212, }, }; @@ -114,13 +123,13 @@ static struct map_desc s5p_iodesc[] __initdata = { void __init s5p_init_io(struct map_desc *mach_desc, int size, void __iomem *cpuid_addr) { - unsigned long idcode; - /* initialize the io descriptors we need for initialization */ iotable_init(s5p_iodesc, ARRAY_SIZE(s5p_iodesc)); if (mach_desc) iotable_init(mach_desc, size); - idcode = __raw_readl(cpuid_addr); - s3c_init_cpu(idcode, cpu_ids, ARRAY_SIZE(cpu_ids)); + /* detect cpu id and rev. */ + s5p_init_cpu(cpuid_addr); + + s3c_init_cpu(samsung_cpu_id, cpu_ids, ARRAY_SIZE(cpu_ids)); } diff --git a/arch/arm/plat-s5p/dev-i2c-hdmiphy.c b/arch/arm/plat-s5p/dev-i2c-hdmiphy.c new file mode 100644 index 000000000000..37343f1999f0 --- /dev/null +++ b/arch/arm/plat-s5p/dev-i2c-hdmiphy.c @@ -0,0 +1,59 @@ +/* + * Copyright (c) 2011 Samsung Electronics Co., Ltd. + * http://www.samsung.com/ + * + * S5P series device definition for i2c for hdmiphy device + * + * Based on plat-samsung/dev-i2c7.c + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. +*/ + +#include <linux/gfp.h> +#include <linux/kernel.h> +#include <linux/string.h> +#include <linux/platform_device.h> + +#include <mach/irqs.h> +#include <mach/map.h> +#include <mach/i2c-hdmiphy.h> + +#include <plat/regs-iic.h> +#include <plat/devs.h> +#include <plat/cpu.h> +#include <plat/iic.h> + +static struct resource s5p_i2c_resource[] = { + [0] = { + .start = S5P_PA_IIC_HDMIPHY, + .end = S5P_PA_IIC_HDMIPHY + SZ_4K - 1, + .flags = IORESOURCE_MEM, + }, + [1] = { + .start = IRQ_IIC_HDMIPHY, + .end = IRQ_IIC_HDMIPHY, + .flags = IORESOURCE_IRQ, + }, +}; + +struct platform_device s5p_device_i2c_hdmiphy = { + .name = "s3c2440-hdmiphy-i2c", + .id = -1, + .num_resources = ARRAY_SIZE(s5p_i2c_resource), + .resource = s5p_i2c_resource, +}; + +void __init s5p_i2c_hdmiphy_set_platdata(struct s3c2410_platform_i2c *pd) +{ + struct s3c2410_platform_i2c *npd; + + if (!pd) { + pd = &default_i2c_data; + pd->bus_num = S5P_I2C_HDMIPHY_BUS_NUM; + } + + npd = s3c_set_platdata(pd, sizeof(struct s3c2410_platform_i2c), + &s5p_device_i2c_hdmiphy); +} diff --git a/arch/arm/plat-s5p/dev-tv.c b/arch/arm/plat-s5p/dev-tv.c new file mode 100644 index 000000000000..361a1b63a81b --- /dev/null +++ b/arch/arm/plat-s5p/dev-tv.c @@ -0,0 +1,98 @@ +/* linux/arch/arm/plat-s5p/dev-tv.c + * + * Copyright (C) 2011 Samsung Electronics Co.Ltd + * Author: Tomasz Stanislawski <t.stanislaws@samsung.com> + * + * S5P series device definition for TV device + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. +*/ + +#include <linux/dma-mapping.h> + +#include <mach/irqs.h> +#include <mach/map.h> + +#include <plat/devs.h> + +/* HDMI interface */ +static struct resource s5p_hdmi_resources[] = { + [0] = { + .start = S5P_PA_HDMI, + .end = S5P_PA_HDMI + SZ_1M - 1, + .flags = IORESOURCE_MEM, + }, + [1] = { + .start = IRQ_HDMI, + .end = IRQ_HDMI, + .flags = IORESOURCE_IRQ, + }, +}; + +struct platform_device s5p_device_hdmi = { + .name = "s5p-hdmi", + .id = -1, + .num_resources = ARRAY_SIZE(s5p_hdmi_resources), + .resource = s5p_hdmi_resources, +}; +EXPORT_SYMBOL(s5p_device_hdmi); + +/* SDO interface */ +static struct resource s5p_sdo_resources[] = { + [0] = { + .start = S5P_PA_SDO, + .end = S5P_PA_SDO + SZ_64K - 1, + .flags = IORESOURCE_MEM, + }, + [1] = { + .start = IRQ_SDO, + .end = IRQ_SDO, + .flags = IORESOURCE_IRQ, + } +}; + +struct platform_device s5p_device_sdo = { + .name = "s5p-sdo", + .id = -1, + .num_resources = ARRAY_SIZE(s5p_sdo_resources), + .resource = s5p_sdo_resources, +}; +EXPORT_SYMBOL(s5p_device_sdo); + +/* MIXER */ +static struct resource s5p_mixer_resources[] = { + [0] = { + .start = S5P_PA_MIXER, + .end = S5P_PA_MIXER + SZ_64K - 1, + .flags = IORESOURCE_MEM, + .name = "mxr" + }, + [1] = { + .start = S5P_PA_VP, + .end = S5P_PA_VP + SZ_64K - 1, + .flags = IORESOURCE_MEM, + .name = "vp" + }, + [2] = { + .start = IRQ_MIXER, + .end = IRQ_MIXER, + .flags = IORESOURCE_IRQ, + .name = "irq" + } +}; + +static u64 s5p_tv_dmamask = DMA_BIT_MASK(32); + +struct platform_device s5p_device_mixer = { + .name = "s5p-mixer", + .id = -1, + .num_resources = ARRAY_SIZE(s5p_mixer_resources), + .resource = s5p_mixer_resources, + .dev = { + .coherent_dma_mask = DMA_BIT_MASK(32), + .dma_mask = &s5p_tv_dmamask, + } +}; +EXPORT_SYMBOL(s5p_device_mixer); diff --git a/arch/arm/plat-s5p/irq-gpioint.c b/arch/arm/plat-s5p/irq-gpioint.c index f71078ef6bb5..a566523d34ec 100644 --- a/arch/arm/plat-s5p/irq-gpioint.c +++ b/arch/arm/plat-s5p/irq-gpioint.c @@ -37,7 +37,7 @@ struct s5p_gpioint_bank { int start; int nr_groups; int irq; - struct s3c_gpio_chip **chips; + struct samsung_gpio_chip **chips; void (*handler)(unsigned int, struct irq_desc *); }; @@ -87,7 +87,7 @@ static void s5p_gpioint_handler(unsigned int irq, struct irq_desc *desc) chained_irq_enter(chip, desc); for (group = 0; group < bank->nr_groups; group++) { - struct s3c_gpio_chip *chip = bank->chips[group]; + struct samsung_gpio_chip *chip = bank->chips[group]; if (!chip) continue; @@ -110,27 +110,28 @@ static void s5p_gpioint_handler(unsigned int irq, struct irq_desc *desc) chained_irq_exit(chip, desc); } -static __init int s5p_gpioint_add(struct s3c_gpio_chip *chip) +static __init int s5p_gpioint_add(struct samsung_gpio_chip *chip) { static int used_gpioint_groups = 0; int group = chip->group; - struct s5p_gpioint_bank *bank = NULL; + struct s5p_gpioint_bank *b, *bank = NULL; struct irq_chip_generic *gc; struct irq_chip_type *ct; if (used_gpioint_groups >= S5P_GPIOINT_GROUP_COUNT) return -ENOMEM; - list_for_each_entry(bank, &banks, list) { - if (group >= bank->start && - group < bank->start + bank->nr_groups) + list_for_each_entry(b, &banks, list) { + if (group >= b->start && group < b->start + b->nr_groups) { + bank = b; break; + } } if (!bank) return -EINVAL; if (!bank->handler) { - bank->chips = kzalloc(sizeof(struct s3c_gpio_chip *) * + bank->chips = kzalloc(sizeof(struct samsung_gpio_chip *) * bank->nr_groups, GFP_KERNEL); if (!bank->chips) return -ENOMEM; @@ -173,7 +174,7 @@ static __init int s5p_gpioint_add(struct s3c_gpio_chip *chip) int __init s5p_register_gpio_interrupt(int pin) { - struct s3c_gpio_chip *my_chip = s3c_gpiolib_getchip(pin); + struct samsung_gpio_chip *my_chip = samsung_gpiolib_getchip(pin); int offset, group; int ret; diff --git a/arch/arm/plat-samsung/Kconfig b/arch/arm/plat-samsung/Kconfig index b3e10659e4b8..74714c155e14 100644 --- a/arch/arm/plat-samsung/Kconfig +++ b/arch/arm/plat-samsung/Kconfig @@ -79,39 +79,12 @@ config SAMSUNG_GPIOLIB_4BIT configuration. GPIOlib shall be compiled only for S3C64XX and S5P series of processors. -config S3C_GPIO_CFG_S3C24XX - bool - help - Internal configuration to enable S3C24XX style GPIO configuration - functions. - config S3C_GPIO_CFG_S3C64XX bool help Internal configuration to enable S3C64XX style GPIO configuration functions. -config S3C_GPIO_PULL_UPDOWN - bool - help - Internal configuration to enable the correct GPIO pull helper - -config S3C_GPIO_PULL_S3C2443 - bool - select S3C_GPIO_PULL_UPDOWN - help - Internal configuration to enable the correct GPIO pull helper for S3C2443-style GPIO - -config S3C_GPIO_PULL_DOWN - bool - help - Internal configuration to enable the correct GPIO pull helper - -config S3C_GPIO_PULL_UP - bool - help - Internal configuration to enable the correct GPIO pull helper - config S5P_GPIO_DRVSTR bool help @@ -300,11 +273,14 @@ config S3C_DMA help Internal configuration for S3C DMA core -config S3C_PL330_DMA +config SAMSUNG_DMADEV bool - select PL330 + select DMADEVICES + select PL330_DMA if (CPU_EXYNOS4210 || CPU_S5PV210 || CPU_S5PC100 || \ + CPU_S5P6450 || CPU_S5P6440) + select ARM_AMBA help - S3C DMA API Driver for PL330 DMAC. + Use DMA device engine for PL330 DMAC. comment "Power management" diff --git a/arch/arm/plat-samsung/Makefile b/arch/arm/plat-samsung/Makefile index 853764ba8cc5..5a5435482595 100644 --- a/arch/arm/plat-samsung/Makefile +++ b/arch/arm/plat-samsung/Makefile @@ -11,12 +11,10 @@ obj- := # Objects we always build independent of SoC choice -obj-y += init.o +obj-y += init.o cpu.o obj-$(CONFIG_ARCH_USES_GETTIMEOFFSET) += time.o obj-y += clock.o obj-y += pwm-clock.o -obj-y += gpio.o -obj-y += gpio-config.o obj-y += dev-asocdma.o obj-$(CONFIG_SAMSUNG_CLKSRC) += clock-clksrc.o @@ -63,9 +61,9 @@ obj-$(CONFIG_SAMSUNG_DEV_BACKLIGHT) += dev-backlight.o # DMA support -obj-$(CONFIG_S3C_DMA) += dma.o +obj-$(CONFIG_S3C_DMA) += dma.o s3c-dma-ops.o -obj-$(CONFIG_S3C_PL330_DMA) += s3c-pl330.o +obj-$(CONFIG_SAMSUNG_DMADEV) += dma-ops.o # PM support diff --git a/arch/arm/plat-samsung/clock.c b/arch/arm/plat-samsung/clock.c index 302c42670bd1..3b4451979d1b 100644 --- a/arch/arm/plat-samsung/clock.c +++ b/arch/arm/plat-samsung/clock.c @@ -64,6 +64,17 @@ static LIST_HEAD(clocks); */ DEFINE_SPINLOCK(clocks_lock); +/* Global watchdog clock used by arch_wtd_reset() callback */ +struct clk *s3c2410_wdtclk; +static int __init s3c_wdt_reset_init(void) +{ + s3c2410_wdtclk = clk_get(NULL, "watchdog"); + if (IS_ERR(s3c2410_wdtclk)) + printk(KERN_WARNING "%s: warning: cannot get watchdog clock\n", __func__); + return 0; +} +arch_initcall(s3c_wdt_reset_init); + /* enable and disable calls for use with the clk struct */ static int clk_null_enable(struct clk *clk, int enable) diff --git a/arch/arm/plat-samsung/cpu.c b/arch/arm/plat-samsung/cpu.c new file mode 100644 index 000000000000..81c06d44c11e --- /dev/null +++ b/arch/arm/plat-samsung/cpu.c @@ -0,0 +1,58 @@ +/* linux/arch/arm/plat-samsung/cpu.c + * + * Copyright (c) 2009-2011 Samsung Electronics Co., Ltd. + * http://www.samsung.com + * + * Samsung CPU Support + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. +*/ + +#include <linux/module.h> +#include <linux/kernel.h> +#include <linux/init.h> +#include <linux/io.h> + +#include <asm/system.h> + +#include <mach/map.h> +#include <plat/cpu.h> + +unsigned long samsung_cpu_id; +static unsigned int samsung_cpu_rev; + +unsigned int samsung_rev(void) +{ + return samsung_cpu_rev; +} +EXPORT_SYMBOL(samsung_rev); + +void __init s3c24xx_init_cpu(void) +{ + /* nothing here yet */ + + samsung_cpu_rev = 0; +} + +void __init s3c64xx_init_cpu(void) +{ + samsung_cpu_id = __raw_readl(S3C_VA_SYS + 0x118); + if (!samsung_cpu_id) { + /* + * S3C6400 has the ID register in a different place, + * and needs a write before it can be read. + */ + __raw_writel(0x0, S3C_VA_SYS + 0xA1C); + samsung_cpu_id = __raw_readl(S3C_VA_SYS + 0xA1C); + } + + samsung_cpu_rev = 0; +} + +void __init s5p_init_cpu(void __iomem *cpuid_addr) +{ + samsung_cpu_id = __raw_readl(cpuid_addr); + samsung_cpu_rev = samsung_cpu_id & 0xFF; +} diff --git a/arch/arm/plat-samsung/dma-ops.c b/arch/arm/plat-samsung/dma-ops.c new file mode 100644 index 000000000000..6e3d9abc9e2e --- /dev/null +++ b/arch/arm/plat-samsung/dma-ops.c @@ -0,0 +1,131 @@ +/* linux/arch/arm/plat-samsung/dma-ops.c + * + * Copyright (c) 2011 Samsung Electronics Co., Ltd. + * http://www.samsung.com + * + * Samsung DMA Operations + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ + +#include <linux/kernel.h> +#include <linux/errno.h> +#include <linux/amba/pl330.h> +#include <linux/scatterlist.h> + +#include <mach/dma.h> + +static inline bool pl330_filter(struct dma_chan *chan, void *param) +{ + struct dma_pl330_peri *peri = chan->private; + return peri->peri_id == (unsigned)param; +} + +static unsigned samsung_dmadev_request(enum dma_ch dma_ch, + struct samsung_dma_info *info) +{ + struct dma_chan *chan; + dma_cap_mask_t mask; + struct dma_slave_config slave_config; + + dma_cap_zero(mask); + dma_cap_set(info->cap, mask); + + chan = dma_request_channel(mask, pl330_filter, (void *)dma_ch); + + if (info->direction == DMA_FROM_DEVICE) { + memset(&slave_config, 0, sizeof(struct dma_slave_config)); + slave_config.direction = info->direction; + slave_config.src_addr = info->fifo; + slave_config.src_addr_width = info->width; + slave_config.src_maxburst = 1; + dmaengine_slave_config(chan, &slave_config); + } else if (info->direction == DMA_TO_DEVICE) { + memset(&slave_config, 0, sizeof(struct dma_slave_config)); + slave_config.direction = info->direction; + slave_config.dst_addr = info->fifo; + slave_config.dst_addr_width = info->width; + slave_config.dst_maxburst = 1; + dmaengine_slave_config(chan, &slave_config); + } + + return (unsigned)chan; +} + +static int samsung_dmadev_release(unsigned ch, + struct s3c2410_dma_client *client) +{ + dma_release_channel((struct dma_chan *)ch); + + return 0; +} + +static int samsung_dmadev_prepare(unsigned ch, + struct samsung_dma_prep_info *info) +{ + struct scatterlist sg; + struct dma_chan *chan = (struct dma_chan *)ch; + struct dma_async_tx_descriptor *desc; + + switch (info->cap) { + case DMA_SLAVE: + sg_init_table(&sg, 1); + sg_dma_len(&sg) = info->len; + sg_set_page(&sg, pfn_to_page(PFN_DOWN(info->buf)), + info->len, offset_in_page(info->buf)); + sg_dma_address(&sg) = info->buf; + + desc = chan->device->device_prep_slave_sg(chan, + &sg, 1, info->direction, DMA_PREP_INTERRUPT); + break; + case DMA_CYCLIC: + desc = chan->device->device_prep_dma_cyclic(chan, + info->buf, info->len, info->period, info->direction); + break; + default: + dev_err(&chan->dev->device, "unsupported format\n"); + return -EFAULT; + } + + if (!desc) { + dev_err(&chan->dev->device, "cannot prepare cyclic dma\n"); + return -EFAULT; + } + + desc->callback = info->fp; + desc->callback_param = info->fp_param; + + dmaengine_submit((struct dma_async_tx_descriptor *)desc); + + return 0; +} + +static inline int samsung_dmadev_trigger(unsigned ch) +{ + dma_async_issue_pending((struct dma_chan *)ch); + + return 0; +} + +static inline int samsung_dmadev_flush(unsigned ch) +{ + return dmaengine_terminate_all((struct dma_chan *)ch); +} + +struct samsung_dma_ops dmadev_ops = { + .request = samsung_dmadev_request, + .release = samsung_dmadev_release, + .prepare = samsung_dmadev_prepare, + .trigger = samsung_dmadev_trigger, + .started = NULL, + .flush = samsung_dmadev_flush, + .stop = samsung_dmadev_flush, +}; + +void *samsung_dmadev_get_ops(void) +{ + return &dmadev_ops; +} +EXPORT_SYMBOL(samsung_dmadev_get_ops); diff --git a/arch/arm/plat-samsung/gpio-config.c b/arch/arm/plat-samsung/gpio-config.c deleted file mode 100644 index 1c0b0401594b..000000000000 --- a/arch/arm/plat-samsung/gpio-config.c +++ /dev/null @@ -1,431 +0,0 @@ -/* linux/arch/arm/plat-s3c/gpio-config.c - * - * Copyright 2008 Openmoko, Inc. - * Copyright 2008-2010 Simtec Electronics - * Ben Dooks <ben@simtec.co.uk> - * http://armlinux.simtec.co.uk/ - * - * S3C series GPIO configuration core - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. -*/ - -#include <linux/kernel.h> -#include <linux/module.h> -#include <linux/gpio.h> -#include <linux/io.h> - -#include <plat/gpio-core.h> -#include <plat/gpio-cfg.h> -#include <plat/gpio-cfg-helpers.h> - -int s3c_gpio_cfgpin(unsigned int pin, unsigned int config) -{ - struct s3c_gpio_chip *chip = s3c_gpiolib_getchip(pin); - unsigned long flags; - int offset; - int ret; - - if (!chip) - return -EINVAL; - - offset = pin - chip->chip.base; - - s3c_gpio_lock(chip, flags); - ret = s3c_gpio_do_setcfg(chip, offset, config); - s3c_gpio_unlock(chip, flags); - - return ret; -} -EXPORT_SYMBOL(s3c_gpio_cfgpin); - -int s3c_gpio_cfgpin_range(unsigned int start, unsigned int nr, - unsigned int cfg) -{ - int ret; - - for (; nr > 0; nr--, start++) { - ret = s3c_gpio_cfgpin(start, cfg); - if (ret != 0) - return ret; - } - - return 0; -} -EXPORT_SYMBOL_GPL(s3c_gpio_cfgpin_range); - -int s3c_gpio_cfgall_range(unsigned int start, unsigned int nr, - unsigned int cfg, s3c_gpio_pull_t pull) -{ - int ret; - - for (; nr > 0; nr--, start++) { - s3c_gpio_setpull(start, pull); - ret = s3c_gpio_cfgpin(start, cfg); - if (ret != 0) - return ret; - } - - return 0; -} -EXPORT_SYMBOL_GPL(s3c_gpio_cfgall_range); - -unsigned s3c_gpio_getcfg(unsigned int pin) -{ - struct s3c_gpio_chip *chip = s3c_gpiolib_getchip(pin); - unsigned long flags; - unsigned ret = 0; - int offset; - - if (chip) { - offset = pin - chip->chip.base; - - s3c_gpio_lock(chip, flags); - ret = s3c_gpio_do_getcfg(chip, offset); - s3c_gpio_unlock(chip, flags); - } - - return ret; -} -EXPORT_SYMBOL(s3c_gpio_getcfg); - - -int s3c_gpio_setpull(unsigned int pin, s3c_gpio_pull_t pull) -{ - struct s3c_gpio_chip *chip = s3c_gpiolib_getchip(pin); - unsigned long flags; - int offset, ret; - - if (!chip) - return -EINVAL; - - offset = pin - chip->chip.base; - - s3c_gpio_lock(chip, flags); - ret = s3c_gpio_do_setpull(chip, offset, pull); - s3c_gpio_unlock(chip, flags); - - return ret; -} -EXPORT_SYMBOL(s3c_gpio_setpull); - -s3c_gpio_pull_t s3c_gpio_getpull(unsigned int pin) -{ - struct s3c_gpio_chip *chip = s3c_gpiolib_getchip(pin); - unsigned long flags; - int offset; - u32 pup = 0; - - if (chip) { - offset = pin - chip->chip.base; - - s3c_gpio_lock(chip, flags); - pup = s3c_gpio_do_getpull(chip, offset); - s3c_gpio_unlock(chip, flags); - } - - return (__force s3c_gpio_pull_t)pup; -} -EXPORT_SYMBOL(s3c_gpio_getpull); - -#ifdef CONFIG_S3C_GPIO_CFG_S3C24XX -int s3c_gpio_setcfg_s3c24xx_a(struct s3c_gpio_chip *chip, - unsigned int off, unsigned int cfg) -{ - void __iomem *reg = chip->base; - unsigned int shift = off; - u32 con; - - if (s3c_gpio_is_cfg_special(cfg)) { - cfg &= 0xf; - - /* Map output to 0, and SFN2 to 1 */ - cfg -= 1; - if (cfg > 1) - return -EINVAL; - - cfg <<= shift; - } - - con = __raw_readl(reg); - con &= ~(0x1 << shift); - con |= cfg; - __raw_writel(con, reg); - - return 0; -} - -unsigned s3c_gpio_getcfg_s3c24xx_a(struct s3c_gpio_chip *chip, - unsigned int off) -{ - u32 con; - - con = __raw_readl(chip->base); - con >>= off; - con &= 1; - con++; - - return S3C_GPIO_SFN(con); -} - -int s3c_gpio_setcfg_s3c24xx(struct s3c_gpio_chip *chip, - unsigned int off, unsigned int cfg) -{ - void __iomem *reg = chip->base; - unsigned int shift = off * 2; - u32 con; - - if (s3c_gpio_is_cfg_special(cfg)) { - cfg &= 0xf; - if (cfg > 3) - return -EINVAL; - - cfg <<= shift; - } - - con = __raw_readl(reg); - con &= ~(0x3 << shift); - con |= cfg; - __raw_writel(con, reg); - - return 0; -} - -unsigned int s3c_gpio_getcfg_s3c24xx(struct s3c_gpio_chip *chip, - unsigned int off) -{ - u32 con; - - con = __raw_readl(chip->base); - con >>= off * 2; - con &= 3; - - /* this conversion works for IN and OUT as well as special mode */ - return S3C_GPIO_SPECIAL(con); -} -#endif - -#ifdef CONFIG_S3C_GPIO_CFG_S3C64XX -int s3c_gpio_setcfg_s3c64xx_4bit(struct s3c_gpio_chip *chip, - unsigned int off, unsigned int cfg) -{ - void __iomem *reg = chip->base; - unsigned int shift = (off & 7) * 4; - u32 con; - - if (off < 8 && chip->chip.ngpio > 8) - reg -= 4; - - if (s3c_gpio_is_cfg_special(cfg)) { - cfg &= 0xf; - cfg <<= shift; - } - - con = __raw_readl(reg); - con &= ~(0xf << shift); - con |= cfg; - __raw_writel(con, reg); - - return 0; -} - -unsigned s3c_gpio_getcfg_s3c64xx_4bit(struct s3c_gpio_chip *chip, - unsigned int off) -{ - void __iomem *reg = chip->base; - unsigned int shift = (off & 7) * 4; - u32 con; - - if (off < 8 && chip->chip.ngpio > 8) - reg -= 4; - - con = __raw_readl(reg); - con >>= shift; - con &= 0xf; - - /* this conversion works for IN and OUT as well as special mode */ - return S3C_GPIO_SPECIAL(con); -} - -#endif /* CONFIG_S3C_GPIO_CFG_S3C64XX */ - -#ifdef CONFIG_S3C_GPIO_PULL_UPDOWN -int s3c_gpio_setpull_updown(struct s3c_gpio_chip *chip, - unsigned int off, s3c_gpio_pull_t pull) -{ - void __iomem *reg = chip->base + 0x08; - int shift = off * 2; - u32 pup; - - pup = __raw_readl(reg); - pup &= ~(3 << shift); - pup |= pull << shift; - __raw_writel(pup, reg); - - return 0; -} - -s3c_gpio_pull_t s3c_gpio_getpull_updown(struct s3c_gpio_chip *chip, - unsigned int off) -{ - void __iomem *reg = chip->base + 0x08; - int shift = off * 2; - u32 pup = __raw_readl(reg); - - pup >>= shift; - pup &= 0x3; - return (__force s3c_gpio_pull_t)pup; -} - -#ifdef CONFIG_S3C_GPIO_PULL_S3C2443 -int s3c_gpio_setpull_s3c2443(struct s3c_gpio_chip *chip, - unsigned int off, s3c_gpio_pull_t pull) -{ - switch (pull) { - case S3C_GPIO_PULL_NONE: - pull = 0x01; - break; - case S3C_GPIO_PULL_UP: - pull = 0x00; - break; - case S3C_GPIO_PULL_DOWN: - pull = 0x02; - break; - } - return s3c_gpio_setpull_updown(chip, off, pull); -} - -s3c_gpio_pull_t s3c_gpio_getpull_s3c2443(struct s3c_gpio_chip *chip, - unsigned int off) -{ - s3c_gpio_pull_t pull; - - pull = s3c_gpio_getpull_updown(chip, off); - - switch (pull) { - case 0x00: - pull = S3C_GPIO_PULL_UP; - break; - case 0x01: - case 0x03: - pull = S3C_GPIO_PULL_NONE; - break; - case 0x02: - pull = S3C_GPIO_PULL_DOWN; - break; - } - - return pull; -} -#endif -#endif - -#if defined(CONFIG_S3C_GPIO_PULL_UP) || defined(CONFIG_S3C_GPIO_PULL_DOWN) -static int s3c_gpio_setpull_1(struct s3c_gpio_chip *chip, - unsigned int off, s3c_gpio_pull_t pull, - s3c_gpio_pull_t updown) -{ - void __iomem *reg = chip->base + 0x08; - u32 pup = __raw_readl(reg); - - if (pull == updown) - pup &= ~(1 << off); - else if (pull == S3C_GPIO_PULL_NONE) - pup |= (1 << off); - else - return -EINVAL; - - __raw_writel(pup, reg); - return 0; -} - -static s3c_gpio_pull_t s3c_gpio_getpull_1(struct s3c_gpio_chip *chip, - unsigned int off, s3c_gpio_pull_t updown) -{ - void __iomem *reg = chip->base + 0x08; - u32 pup = __raw_readl(reg); - - pup &= (1 << off); - return pup ? S3C_GPIO_PULL_NONE : updown; -} -#endif /* CONFIG_S3C_GPIO_PULL_UP || CONFIG_S3C_GPIO_PULL_DOWN */ - -#ifdef CONFIG_S3C_GPIO_PULL_UP -s3c_gpio_pull_t s3c_gpio_getpull_1up(struct s3c_gpio_chip *chip, - unsigned int off) -{ - return s3c_gpio_getpull_1(chip, off, S3C_GPIO_PULL_UP); -} - -int s3c_gpio_setpull_1up(struct s3c_gpio_chip *chip, - unsigned int off, s3c_gpio_pull_t pull) -{ - return s3c_gpio_setpull_1(chip, off, pull, S3C_GPIO_PULL_UP); -} -#endif /* CONFIG_S3C_GPIO_PULL_UP */ - -#ifdef CONFIG_S3C_GPIO_PULL_DOWN -s3c_gpio_pull_t s3c_gpio_getpull_1down(struct s3c_gpio_chip *chip, - unsigned int off) -{ - return s3c_gpio_getpull_1(chip, off, S3C_GPIO_PULL_DOWN); -} - -int s3c_gpio_setpull_1down(struct s3c_gpio_chip *chip, - unsigned int off, s3c_gpio_pull_t pull) -{ - return s3c_gpio_setpull_1(chip, off, pull, S3C_GPIO_PULL_DOWN); -} -#endif /* CONFIG_S3C_GPIO_PULL_DOWN */ - -#ifdef CONFIG_S5P_GPIO_DRVSTR -s5p_gpio_drvstr_t s5p_gpio_get_drvstr(unsigned int pin) -{ - struct s3c_gpio_chip *chip = s3c_gpiolib_getchip(pin); - unsigned int off; - void __iomem *reg; - int shift; - u32 drvstr; - - if (!chip) - return -EINVAL; - - off = pin - chip->chip.base; - shift = off * 2; - reg = chip->base + 0x0C; - - drvstr = __raw_readl(reg); - drvstr = drvstr >> shift; - drvstr &= 0x3; - - return (__force s5p_gpio_drvstr_t)drvstr; -} -EXPORT_SYMBOL(s5p_gpio_get_drvstr); - -int s5p_gpio_set_drvstr(unsigned int pin, s5p_gpio_drvstr_t drvstr) -{ - struct s3c_gpio_chip *chip = s3c_gpiolib_getchip(pin); - unsigned int off; - void __iomem *reg; - int shift; - u32 tmp; - - if (!chip) - return -EINVAL; - - off = pin - chip->chip.base; - shift = off * 2; - reg = chip->base + 0x0C; - - tmp = __raw_readl(reg); - tmp &= ~(0x3 << shift); - tmp |= drvstr << shift; - - __raw_writel(tmp, reg); - - return 0; -} -EXPORT_SYMBOL(s5p_gpio_set_drvstr); -#endif /* CONFIG_S5P_GPIO_DRVSTR */ diff --git a/arch/arm/plat-samsung/gpio.c b/arch/arm/plat-samsung/gpio.c deleted file mode 100644 index 7743c4b8b2fb..000000000000 --- a/arch/arm/plat-samsung/gpio.c +++ /dev/null @@ -1,167 +0,0 @@ -/* linux/arch/arm/plat-s3c/gpio.c - * - * Copyright 2008 Simtec Electronics - * Ben Dooks <ben@simtec.co.uk> - * http://armlinux.simtec.co.uk/ - * - * S3C series GPIO core - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. -*/ - -#include <linux/kernel.h> -#include <linux/init.h> -#include <linux/io.h> -#include <linux/gpio.h> -#include <linux/spinlock.h> - -#include <plat/gpio-core.h> - -#ifdef CONFIG_S3C_GPIO_TRACK -struct s3c_gpio_chip *s3c_gpios[S3C_GPIO_END]; - -static __init void s3c_gpiolib_track(struct s3c_gpio_chip *chip) -{ - unsigned int gpn; - int i; - - gpn = chip->chip.base; - for (i = 0; i < chip->chip.ngpio; i++, gpn++) { - BUG_ON(gpn >= ARRAY_SIZE(s3c_gpios)); - s3c_gpios[gpn] = chip; - } -} -#endif /* CONFIG_S3C_GPIO_TRACK */ - -/* Default routines for controlling GPIO, based on the original S3C24XX - * GPIO functions which deal with the case where each gpio bank of the - * chip is as following: - * - * base + 0x00: Control register, 2 bits per gpio - * gpio n: 2 bits starting at (2*n) - * 00 = input, 01 = output, others mean special-function - * base + 0x04: Data register, 1 bit per gpio - * bit n: data bit n -*/ - -static int s3c_gpiolib_input(struct gpio_chip *chip, unsigned offset) -{ - struct s3c_gpio_chip *ourchip = to_s3c_gpio(chip); - void __iomem *base = ourchip->base; - unsigned long flags; - unsigned long con; - - s3c_gpio_lock(ourchip, flags); - - con = __raw_readl(base + 0x00); - con &= ~(3 << (offset * 2)); - - __raw_writel(con, base + 0x00); - - s3c_gpio_unlock(ourchip, flags); - return 0; -} - -static int s3c_gpiolib_output(struct gpio_chip *chip, - unsigned offset, int value) -{ - struct s3c_gpio_chip *ourchip = to_s3c_gpio(chip); - void __iomem *base = ourchip->base; - unsigned long flags; - unsigned long dat; - unsigned long con; - - s3c_gpio_lock(ourchip, flags); - - dat = __raw_readl(base + 0x04); - dat &= ~(1 << offset); - if (value) - dat |= 1 << offset; - __raw_writel(dat, base + 0x04); - - con = __raw_readl(base + 0x00); - con &= ~(3 << (offset * 2)); - con |= 1 << (offset * 2); - - __raw_writel(con, base + 0x00); - __raw_writel(dat, base + 0x04); - - s3c_gpio_unlock(ourchip, flags); - return 0; -} - -static void s3c_gpiolib_set(struct gpio_chip *chip, - unsigned offset, int value) -{ - struct s3c_gpio_chip *ourchip = to_s3c_gpio(chip); - void __iomem *base = ourchip->base; - unsigned long flags; - unsigned long dat; - - s3c_gpio_lock(ourchip, flags); - - dat = __raw_readl(base + 0x04); - dat &= ~(1 << offset); - if (value) - dat |= 1 << offset; - __raw_writel(dat, base + 0x04); - - s3c_gpio_unlock(ourchip, flags); -} - -static int s3c_gpiolib_get(struct gpio_chip *chip, unsigned offset) -{ - struct s3c_gpio_chip *ourchip = to_s3c_gpio(chip); - unsigned long val; - - val = __raw_readl(ourchip->base + 0x04); - val >>= offset; - val &= 1; - - return val; -} - -__init void s3c_gpiolib_add(struct s3c_gpio_chip *chip) -{ - struct gpio_chip *gc = &chip->chip; - int ret; - - BUG_ON(!chip->base); - BUG_ON(!gc->label); - BUG_ON(!gc->ngpio); - - spin_lock_init(&chip->lock); - - if (!gc->direction_input) - gc->direction_input = s3c_gpiolib_input; - if (!gc->direction_output) - gc->direction_output = s3c_gpiolib_output; - if (!gc->set) - gc->set = s3c_gpiolib_set; - if (!gc->get) - gc->get = s3c_gpiolib_get; - -#ifdef CONFIG_PM - if (chip->pm != NULL) { - if (!chip->pm->save || !chip->pm->resume) - printk(KERN_ERR "gpio: %s has missing PM functions\n", - gc->label); - } else - printk(KERN_ERR "gpio: %s has no PM function\n", gc->label); -#endif - - /* gpiochip_add() prints own failure message on error. */ - ret = gpiochip_add(gc); - if (ret >= 0) - s3c_gpiolib_track(chip); -} - -int samsung_gpiolib_to_irq(struct gpio_chip *chip, unsigned int offset) -{ - struct s3c_gpio_chip *s3c_chip = container_of(chip, - struct s3c_gpio_chip, chip); - - return s3c_chip->irq_base + offset; -} diff --git a/arch/arm/plat-samsung/include/plat/clock.h b/arch/arm/plat-samsung/include/plat/clock.h index 87d5b38a86fb..73c66d4d10fa 100644 --- a/arch/arm/plat-samsung/include/plat/clock.h +++ b/arch/arm/plat-samsung/include/plat/clock.h @@ -9,6 +9,9 @@ * published by the Free Software Foundation. */ +#ifndef __ASM_PLAT_CLOCK_H +#define __ASM_PLAT_CLOCK_H __FILE__ + #include <linux/spinlock.h> #include <linux/clkdev.h> @@ -121,3 +124,8 @@ extern int s3c64xx_sclk_ctrl(struct clk *clk, int enable); extern void s3c_pwmclk_init(void); +/* Global watchdog clock used by arch_wtd_reset() callback */ + +extern struct clk *s3c2410_wdtclk; + +#endif /* __ASM_PLAT_CLOCK_H */ diff --git a/arch/arm/plat-samsung/include/plat/cpu.h b/arch/arm/plat-samsung/include/plat/cpu.h index c0a5741b23e6..1bbbbb420be7 100644 --- a/arch/arm/plat-samsung/include/plat/cpu.h +++ b/arch/arm/plat-samsung/include/plat/cpu.h @@ -1,9 +1,12 @@ /* linux/arch/arm/plat-samsung/include/plat/cpu.h * + * Copyright (c) 2011 Samsung Electronics Co., Ltd. + * http://www.samsung.com/ + * * Copyright (c) 2004-2005 Simtec Electronics * Ben Dooks <ben@simtec.co.uk> * - * Header file for S3C24XX CPU support + * Header file for Samsung CPU support * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License version 2 as @@ -15,6 +18,100 @@ #ifndef __SAMSUNG_PLAT_CPU_H #define __SAMSUNG_PLAT_CPU_H +extern unsigned long samsung_cpu_id; + +#define S3C24XX_CPU_ID 0x32400000 +#define S3C24XX_CPU_MASK 0xFFF00000 + +#define S3C6400_CPU_ID 0x36400000 +#define S3C6410_CPU_ID 0x36410000 +#define S3C64XX_CPU_ID (S3C6400_CPU_ID & S3C6410_CPU_ID) +#define S3C64XX_CPU_MASK 0xFFFFF000 + +#define S5P6440_CPU_ID 0x56440000 +#define S5P6450_CPU_ID 0x36450000 +#define S5P64XX_CPU_MASK 0xFFFFF000 + +#define S5PC100_CPU_ID 0x43100000 +#define S5PC100_CPU_MASK 0xFFFFF000 + +#define S5PV210_CPU_ID 0x43110000 +#define S5PV210_CPU_MASK 0xFFFFF000 + +#define EXYNOS4210_CPU_ID 0x43210000 +#define EXYNOS4212_CPU_ID 0x43220000 +#define EXYNOS4_CPU_MASK 0xFFFE0000 + +#define IS_SAMSUNG_CPU(name, id, mask) \ +static inline int is_samsung_##name(void) \ +{ \ + return ((samsung_cpu_id & mask) == (id & mask)); \ +} + +IS_SAMSUNG_CPU(s3c24xx, S3C24XX_CPU_ID, S3C24XX_CPU_MASK) +IS_SAMSUNG_CPU(s3c64xx, S3C64XX_CPU_ID, S3C64XX_CPU_MASK) +IS_SAMSUNG_CPU(s5p6440, S5P6440_CPU_ID, S5P64XX_CPU_MASK) +IS_SAMSUNG_CPU(s5p6450, S5P6450_CPU_ID, S5P64XX_CPU_MASK) +IS_SAMSUNG_CPU(s5pc100, S5PC100_CPU_ID, S5PC100_CPU_MASK) +IS_SAMSUNG_CPU(s5pv210, S5PV210_CPU_ID, S5PV210_CPU_MASK) +IS_SAMSUNG_CPU(exynos4210, EXYNOS4210_CPU_ID, EXYNOS4_CPU_MASK) +IS_SAMSUNG_CPU(exynos4212, EXYNOS4212_CPU_ID, EXYNOS4_CPU_MASK) + +#if defined(CONFIG_CPU_S3C2410) || defined(CONFIG_CPU_S3C2412) || \ + defined(CONFIG_CPU_S3C2416) || defined(CONFIG_CPU_S3C2440) || \ + defined(CONFIG_CPU_S3C2442) || defined(CONFIG_CPU_S3C244X) || \ + defined(CONFIG_CPU_S3C2443) +# define soc_is_s3c24xx() is_samsung_s3c24xx() +#else +# define soc_is_s3c24xx() 0 +#endif + +#if defined(CONFIG_CPU_S3C6400) || defined(CONFIG_CPU_S3C6410) +# define soc_is_s3c64xx() is_samsung_s3c64xx() +#else +# define soc_is_s3c64xx() 0 +#endif + +#if defined(CONFIG_CPU_S5P6440) +# define soc_is_s5p6440() is_samsung_s5p6440() +#else +# define soc_is_s5p6440() 0 +#endif + +#if defined(CONFIG_CPU_S5P6450) +# define soc_is_s5p6450() is_samsung_s5p6450() +#else +# define soc_is_s5p6450() 0 +#endif + +#if defined(CONFIG_CPU_S5PC100) +# define soc_is_s5pc100() is_samsung_s5pc100() +#else +# define soc_is_s5pc100() 0 +#endif + +#if defined(CONFIG_CPU_S5PV210) +# define soc_is_s5pv210() is_samsung_s5pv210() +#else +# define soc_is_s5pv210() 0 +#endif + +#if defined(CONFIG_CPU_EXYNOS4210) +# define soc_is_exynos4210() is_samsung_exynos4210() +#else +# define soc_is_exynos4210() 0 +#endif + +#if defined(CONFIG_SOC_EXYNOS4212) +# define soc_is_exynos4212() is_samsung_exynos4212() +#else +# define soc_is_exynos4212() 0 +#endif + +#define EXYNOS4210_REV_0 (0x0) +#define EXYNOS4210_REV_1_0 (0x10) +#define EXYNOS4210_REV_1_1 (0x11) + #define IODESC_ENT(x) { (unsigned long)S3C24XX_VA_##x, __phys_to_pfn(S3C24XX_PA_##x), S3C24XX_SZ_##x, MT_DEVICE } #ifndef MHZ @@ -55,6 +152,12 @@ extern void s3c64xx_init_io(struct map_desc *mach_desc, int size); extern void s5p_init_io(struct map_desc *mach_desc, int size, void __iomem *cpuid_addr); +extern void s3c24xx_init_cpu(void); +extern void s3c64xx_init_cpu(void); +extern void s5p_init_cpu(void __iomem *cpuid_addr); + +extern unsigned int samsung_rev(void); + extern void s3c24xx_init_uarts(struct s3c2410_uartcfg *cfg, int no); extern void s3c24xx_init_clocks(int xtal); diff --git a/arch/arm/plat-samsung/include/plat/devs.h b/arch/arm/plat-samsung/include/plat/devs.h index 24ebb1e1de41..ee5014a7cc96 100644 --- a/arch/arm/plat-samsung/include/plat/devs.h +++ b/arch/arm/plat-samsung/include/plat/devs.h @@ -62,6 +62,7 @@ extern struct platform_device s3c_device_i2c4; extern struct platform_device s3c_device_i2c5; extern struct platform_device s3c_device_i2c6; extern struct platform_device s3c_device_i2c7; +extern struct platform_device s5p_device_i2c_hdmiphy; extern struct platform_device s3c_device_rtc; extern struct platform_device s3c_device_adc; extern struct platform_device s3c_device_sdi; @@ -142,6 +143,11 @@ extern struct platform_device s5p_device_fimc3; extern struct platform_device s5p_device_mfc; extern struct platform_device s5p_device_mfc_l; extern struct platform_device s5p_device_mfc_r; + +extern struct platform_device s5p_device_hdmi; +extern struct platform_device s5p_device_mixer; +extern struct platform_device s5p_device_sdo; + extern struct platform_device s5p_device_mipi_csis0; extern struct platform_device s5p_device_mipi_csis1; diff --git a/arch/arm/plat-samsung/include/plat/dma-ops.h b/arch/arm/plat-samsung/include/plat/dma-ops.h new file mode 100644 index 000000000000..4c1a363526cf --- /dev/null +++ b/arch/arm/plat-samsung/include/plat/dma-ops.h @@ -0,0 +1,63 @@ +/* arch/arm/plat-samsung/include/plat/dma-ops.h + * + * Copyright (c) 2011 Samsung Electronics Co., Ltd. + * http://www.samsung.com + * + * Samsung DMA support + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ + +#ifndef __SAMSUNG_DMA_OPS_H_ +#define __SAMSUNG_DMA_OPS_H_ __FILE__ + +#include <linux/dmaengine.h> + +struct samsung_dma_prep_info { + enum dma_transaction_type cap; + enum dma_data_direction direction; + dma_addr_t buf; + unsigned long period; + unsigned long len; + void (*fp)(void *data); + void *fp_param; +}; + +struct samsung_dma_info { + enum dma_transaction_type cap; + enum dma_data_direction direction; + enum dma_slave_buswidth width; + dma_addr_t fifo; + struct s3c2410_dma_client *client; +}; + +struct samsung_dma_ops { + unsigned (*request)(enum dma_ch ch, struct samsung_dma_info *info); + int (*release)(unsigned ch, struct s3c2410_dma_client *client); + int (*prepare)(unsigned ch, struct samsung_dma_prep_info *info); + int (*trigger)(unsigned ch); + int (*started)(unsigned ch); + int (*flush)(unsigned ch); + int (*stop)(unsigned ch); +}; + +extern void *samsung_dmadev_get_ops(void); +extern void *s3c_dma_get_ops(void); + +static inline void *__samsung_dma_get_ops(void) +{ + if (samsung_dma_is_dmadev()) + return samsung_dmadev_get_ops(); + else + return s3c_dma_get_ops(); +} + +/* + * samsung_dma_get_ops + * get the set of samsung dma operations + */ +#define samsung_dma_get_ops() __samsung_dma_get_ops() + +#endif /* __SAMSUNG_DMA_OPS_H_ */ diff --git a/arch/arm/plat-samsung/include/plat/s3c-dma-pl330.h b/arch/arm/plat-samsung/include/plat/dma-pl330.h index 810744213120..2e55e5958674 100644 --- a/arch/arm/plat-samsung/include/plat/s3c-dma-pl330.h +++ b/arch/arm/plat-samsung/include/plat/dma-pl330.h @@ -8,11 +8,8 @@ * (at your option) any later version. */ -#ifndef __S3C_DMA_PL330_H_ -#define __S3C_DMA_PL330_H_ - -#define S3C2410_DMAF_AUTOSTART (1 << 0) -#define S3C2410_DMAF_CIRCULAR (1 << 1) +#ifndef __DMA_PL330_H_ +#define __DMA_PL330_H_ __FILE__ /* * PL330 can assign any channel to communicate with @@ -20,7 +17,7 @@ * For the sake of consistency across client drivers, * We keep the channel names unchanged and only add * missing peripherals are added. - * Order is not important since S3C PL330 API driver + * Order is not important since DMA PL330 API driver * use these just as IDs. */ enum dma_ch { @@ -88,11 +85,20 @@ enum dma_ch { DMACH_MAX, }; -static inline bool s3c_dma_has_circular(void) +struct s3c2410_dma_client { + char *name; +}; + +static inline bool samsung_dma_has_circular(void) +{ + return true; +} + +static inline bool samsung_dma_is_dmadev(void) { return true; } -#include <plat/dma.h> +#include <plat/dma-ops.h> -#endif /* __S3C_DMA_PL330_H_ */ +#endif /* __DMA_PL330_H_ */ diff --git a/arch/arm/plat-samsung/include/plat/dma-s3c24xx.h b/arch/arm/plat-samsung/include/plat/dma-s3c24xx.h index ab9bce637cbd..1c1ed5481253 100644 --- a/arch/arm/plat-samsung/include/plat/dma-s3c24xx.h +++ b/arch/arm/plat-samsung/include/plat/dma-s3c24xx.h @@ -41,7 +41,7 @@ struct s3c24xx_dma_selection { void (*direction)(struct s3c2410_dma_chan *chan, struct s3c24xx_dma_map *map, - enum s3c2410_dmasrc dir); + enum dma_data_direction dir); }; extern int s3c24xx_dma_init_map(struct s3c24xx_dma_selection *sel); diff --git a/arch/arm/plat-samsung/include/plat/dma.h b/arch/arm/plat-samsung/include/plat/dma.h index 8c273b7a6f56..b9061128abde 100644 --- a/arch/arm/plat-samsung/include/plat/dma.h +++ b/arch/arm/plat-samsung/include/plat/dma.h @@ -10,17 +10,14 @@ * published by the Free Software Foundation. */ +#include <linux/dma-mapping.h> + enum s3c2410_dma_buffresult { S3C2410_RES_OK, S3C2410_RES_ERR, S3C2410_RES_ABORT }; -enum s3c2410_dmasrc { - S3C2410_DMASRC_HW, /* source is memory */ - S3C2410_DMASRC_MEM /* source is hardware */ -}; - /* enum s3c2410_chan_op * * operation codes passed to the DMA code by the user, and also used @@ -112,7 +109,7 @@ extern int s3c2410_dma_config(enum dma_ch channel, int xferunit); */ extern int s3c2410_dma_devconfig(enum dma_ch channel, - enum s3c2410_dmasrc source, unsigned long devaddr); + enum dma_data_direction source, unsigned long devaddr); /* s3c2410_dma_getposition * @@ -126,3 +123,4 @@ extern int s3c2410_dma_set_opfn(enum dma_ch, s3c2410_dma_opfn_t rtn); extern int s3c2410_dma_set_buffdone_fn(enum dma_ch, s3c2410_dma_cbfn_t rtn); +#include <plat/dma-ops.h> diff --git a/arch/arm/plat-samsung/include/plat/exynos4.h b/arch/arm/plat-samsung/include/plat/exynos4.h index 691a7113fff2..20d73bf77537 100644 --- a/arch/arm/plat-samsung/include/plat/exynos4.h +++ b/arch/arm/plat-samsung/include/plat/exynos4.h @@ -14,10 +14,11 @@ extern void exynos4_common_init_uarts(struct s3c2410_uartcfg *cfg, int no); extern void exynos4_register_clocks(void); +extern void exynos4210_register_clocks(void); +extern void exynos4212_register_clocks(void); extern void exynos4_setup_clocks(void); -#ifdef CONFIG_CPU_EXYNOS4210 - +#ifdef CONFIG_ARCH_EXYNOS4 extern int exynos4_init(void); extern void exynos4_init_irq(void); extern void exynos4_map_io(void); diff --git a/arch/arm/plat-samsung/include/plat/fb.h b/arch/arm/plat-samsung/include/plat/fb.h index 01f10e4d00c7..0fedf47fa502 100644 --- a/arch/arm/plat-samsung/include/plat/fb.h +++ b/arch/arm/plat-samsung/include/plat/fb.h @@ -109,4 +109,11 @@ extern void s5pv210_fb_gpio_setup_24bpp(void); */ extern void exynos4_fimd0_gpio_setup_24bpp(void); +/** + * s5p64x0_fb_gpio_setup_24bpp() - S5P6440/S5P6450 setup function for 24bpp LCD + * + * Initialise the GPIO for an 24bpp LCD display on the RGB interface. + */ +extern void s5p64x0_fb_gpio_setup_24bpp(void); + #endif /* __PLAT_S3C_FB_H */ diff --git a/arch/arm/plat-samsung/include/plat/gpio-cfg-helpers.h b/arch/arm/plat-samsung/include/plat/gpio-cfg-helpers.h index 9a4e53d52967..a181d7ce81cf 100644 --- a/arch/arm/plat-samsung/include/plat/gpio-cfg-helpers.h +++ b/arch/arm/plat-samsung/include/plat/gpio-cfg-helpers.h @@ -1,11 +1,11 @@ -/* linux/arch/arm/plat-s3c/include/plat/gpio-cfg-helper.h +/* linux/arch/arm/plat-samsung/include/plat/gpio-cfg-helper.h * * Copyright 2008 Openmoko, Inc. * Copyright 2008 Simtec Electronics * http://armlinux.simtec.co.uk/ * Ben Dooks <ben@simtec.co.uk> * - * S3C Platform - GPIO pin configuration helper definitions + * Samsung Platform - GPIO pin configuration helper definitions * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License version 2 as @@ -24,120 +24,30 @@ * by disabling interrupts. */ -static inline int s3c_gpio_do_setcfg(struct s3c_gpio_chip *chip, - unsigned int off, unsigned int config) +static inline int samsung_gpio_do_setcfg(struct samsung_gpio_chip *chip, + unsigned int off, unsigned int config) { return (chip->config->set_config)(chip, off, config); } -static inline unsigned s3c_gpio_do_getcfg(struct s3c_gpio_chip *chip, - unsigned int off) +static inline unsigned samsung_gpio_do_getcfg(struct samsung_gpio_chip *chip, + unsigned int off) { return (chip->config->get_config)(chip, off); } -static inline int s3c_gpio_do_setpull(struct s3c_gpio_chip *chip, - unsigned int off, s3c_gpio_pull_t pull) +static inline int samsung_gpio_do_setpull(struct samsung_gpio_chip *chip, + unsigned int off, samsung_gpio_pull_t pull) { return (chip->config->set_pull)(chip, off, pull); } -static inline s3c_gpio_pull_t s3c_gpio_do_getpull(struct s3c_gpio_chip *chip, - unsigned int off) +static inline samsung_gpio_pull_t samsung_gpio_do_getpull(struct samsung_gpio_chip *chip, + unsigned int off) { return chip->config->get_pull(chip, off); } -/** - * s3c_gpio_setcfg_s3c24xx - S3C24XX style GPIO configuration. - * @chip: The gpio chip that is being configured. - * @off: The offset for the GPIO being configured. - * @cfg: The configuration value to set. - * - * This helper deal with the GPIO cases where the control register - * has two bits of configuration per gpio, which have the following - * functions: - * 00 = input - * 01 = output - * 1x = special function -*/ -extern int s3c_gpio_setcfg_s3c24xx(struct s3c_gpio_chip *chip, - unsigned int off, unsigned int cfg); - -/** - * s3c_gpio_getcfg_s3c24xx - S3C24XX style GPIO configuration read. - * @chip: The gpio chip that is being configured. - * @off: The offset for the GPIO being configured. - * - * The reverse of s3c_gpio_setcfg_s3c24xx(). Will return a value whicg - * could be directly passed back to s3c_gpio_setcfg_s3c24xx(), from the - * S3C_GPIO_SPECIAL() macro. - */ -unsigned int s3c_gpio_getcfg_s3c24xx(struct s3c_gpio_chip *chip, - unsigned int off); - -/** - * s3c_gpio_setcfg_s3c24xx_a - S3C24XX style GPIO configuration (Bank A) - * @chip: The gpio chip that is being configured. - * @off: The offset for the GPIO being configured. - * @cfg: The configuration value to set. - * - * This helper deal with the GPIO cases where the control register - * has one bit of configuration for the gpio, where setting the bit - * means the pin is in special function mode and unset means output. -*/ -extern int s3c_gpio_setcfg_s3c24xx_a(struct s3c_gpio_chip *chip, - unsigned int off, unsigned int cfg); - - -/** - * s3c_gpio_getcfg_s3c24xx_a - S3C24XX style GPIO configuration read (Bank A) - * @chip: The gpio chip that is being configured. - * @off: The offset for the GPIO being configured. - * - * The reverse of s3c_gpio_setcfg_s3c24xx_a() turning an GPIO into a usable - * GPIO configuration value. - * - * @sa s3c_gpio_getcfg_s3c24xx - * @sa s3c_gpio_getcfg_s3c64xx_4bit - */ -extern unsigned s3c_gpio_getcfg_s3c24xx_a(struct s3c_gpio_chip *chip, - unsigned int off); - -/** - * s3c_gpio_setcfg_s3c64xx_4bit - S3C64XX 4bit single register GPIO config. - * @chip: The gpio chip that is being configured. - * @off: The offset for the GPIO being configured. - * @cfg: The configuration value to set. - * - * This helper deal with the GPIO cases where the control register has 4 bits - * of control per GPIO, generally in the form of: - * 0000 = Input - * 0001 = Output - * others = Special functions (dependent on bank) - * - * Note, since the code to deal with the case where there are two control - * registers instead of one, we do not have a separate set of functions for - * each case. -*/ -extern int s3c_gpio_setcfg_s3c64xx_4bit(struct s3c_gpio_chip *chip, - unsigned int off, unsigned int cfg); - - -/** - * s3c_gpio_getcfg_s3c64xx_4bit - S3C64XX 4bit single register GPIO config read. - * @chip: The gpio chip that is being configured. - * @off: The offset for the GPIO being configured. - * - * The reverse of s3c_gpio_setcfg_s3c64xx_4bit(), turning a gpio configuration - * register setting into a value the software can use, such as could be passed - * to s3c_gpio_setcfg_s3c64xx_4bit(). - * - * @sa s3c_gpio_getcfg_s3c24xx - */ -extern unsigned s3c_gpio_getcfg_s3c64xx_4bit(struct s3c_gpio_chip *chip, - unsigned int off); - /* Pull-{up,down} resistor controls. * * S3C2410,S3C2440 = Pull-UP, @@ -147,7 +57,7 @@ extern unsigned s3c_gpio_getcfg_s3c64xx_4bit(struct s3c_gpio_chip *chip, */ /** - * s3c_gpio_setpull_1up() - Pull configuration for choice of up or none. + * s3c24xx_gpio_setpull_1up() - Pull configuration for choice of up or none. * @chip: The gpio chip that is being configured. * @off: The offset for the GPIO being configured. * @param: pull: The pull mode being requested. @@ -155,11 +65,11 @@ extern unsigned s3c_gpio_getcfg_s3c64xx_4bit(struct s3c_gpio_chip *chip, * This is a helper function for the case where we have GPIOs with one * bit configuring the presence of a pull-up resistor. */ -extern int s3c_gpio_setpull_1up(struct s3c_gpio_chip *chip, - unsigned int off, s3c_gpio_pull_t pull); +extern int s3c24xx_gpio_setpull_1up(struct samsung_gpio_chip *chip, + unsigned int off, samsung_gpio_pull_t pull); /** - * s3c_gpio_setpull_1down() - Pull configuration for choice of down or none + * s3c24xx_gpio_setpull_1down() - Pull configuration for choice of down or none * @chip: The gpio chip that is being configured * @off: The offset for the GPIO being configured * @param: pull: The pull mode being requested @@ -167,11 +77,13 @@ extern int s3c_gpio_setpull_1up(struct s3c_gpio_chip *chip, * This is a helper function for the case where we have GPIOs with one * bit configuring the presence of a pull-down resistor. */ -extern int s3c_gpio_setpull_1down(struct s3c_gpio_chip *chip, - unsigned int off, s3c_gpio_pull_t pull); +extern int s3c24xx_gpio_setpull_1down(struct samsung_gpio_chip *chip, + unsigned int off, samsung_gpio_pull_t pull); /** - * s3c_gpio_setpull_upown() - Pull configuration for choice of up, down or none + * samsung_gpio_setpull_upown() - Pull configuration for choice of up, + * down or none + * * @chip: The gpio chip that is being configured. * @off: The offset for the GPIO being configured. * @param: pull: The pull mode being requested. @@ -183,45 +95,46 @@ extern int s3c_gpio_setpull_1down(struct s3c_gpio_chip *chip, * 01 = Pull-up resistor connected * 10 = Pull-down resistor connected */ -extern int s3c_gpio_setpull_updown(struct s3c_gpio_chip *chip, - unsigned int off, s3c_gpio_pull_t pull); - +extern int samsung_gpio_setpull_updown(struct samsung_gpio_chip *chip, + unsigned int off, samsung_gpio_pull_t pull); /** - * s3c_gpio_getpull_updown() - Get configuration for choice of up, down or none + * samsung_gpio_getpull_updown() - Get configuration for choice of up, + * down or none + * * @chip: The gpio chip that the GPIO pin belongs to * @off: The offset to the pin to get the configuration of. * - * This helper function reads the state of the pull-{up,down} resistor for the - * given GPIO in the same case as s3c_gpio_setpull_upown. + * This helper function reads the state of the pull-{up,down} resistor + * for the given GPIO in the same case as samsung_gpio_setpull_upown. */ -extern s3c_gpio_pull_t s3c_gpio_getpull_updown(struct s3c_gpio_chip *chip, - unsigned int off); +extern samsung_gpio_pull_t samsung_gpio_getpull_updown(struct samsung_gpio_chip *chip, + unsigned int off); /** - * s3c_gpio_getpull_1up() - Get configuration for choice of up or none + * s3c24xx_gpio_getpull_1up() - Get configuration for choice of up or none * @chip: The gpio chip that the GPIO pin belongs to * @off: The offset to the pin to get the configuration of. * * This helper function reads the state of the pull-up resistor for the - * given GPIO in the same case as s3c_gpio_setpull_1up. + * given GPIO in the same case as s3c24xx_gpio_setpull_1up. */ -extern s3c_gpio_pull_t s3c_gpio_getpull_1up(struct s3c_gpio_chip *chip, - unsigned int off); +extern samsung_gpio_pull_t s3c24xx_gpio_getpull_1up(struct samsung_gpio_chip *chip, + unsigned int off); /** - * s3c_gpio_getpull_1down() - Get configuration for choice of down or none + * s3c24xx_gpio_getpull_1down() - Get configuration for choice of down or none * @chip: The gpio chip that the GPIO pin belongs to * @off: The offset to the pin to get the configuration of. * * This helper function reads the state of the pull-down resistor for the - * given GPIO in the same case as s3c_gpio_setpull_1down. + * given GPIO in the same case as s3c24xx_gpio_setpull_1down. */ -extern s3c_gpio_pull_t s3c_gpio_getpull_1down(struct s3c_gpio_chip *chip, - unsigned int off); +extern samsung_gpio_pull_t s3c24xx_gpio_getpull_1down(struct samsung_gpio_chip *chip, + unsigned int off); /** - * s3c_gpio_setpull_s3c2443() - Pull configuration for s3c2443. + * s3c2443_gpio_setpull() - Pull configuration for s3c2443. * @chip: The gpio chip that is being configured. * @off: The offset for the GPIO being configured. * @param: pull: The pull mode being requested. @@ -233,19 +146,18 @@ extern s3c_gpio_pull_t s3c_gpio_getpull_1down(struct s3c_gpio_chip *chip, * 10 = Pull-down resistor connected * x1 = No pull up resistor */ -extern int s3c_gpio_setpull_s3c2443(struct s3c_gpio_chip *chip, - unsigned int off, s3c_gpio_pull_t pull); +extern int s3c2443_gpio_setpull(struct samsung_gpio_chip *chip, + unsigned int off, samsung_gpio_pull_t pull); /** - * s3c_gpio_getpull_s3c2443() - Get configuration for s3c2443 pull resistors + * s3c2443_gpio_getpull() - Get configuration for s3c2443 pull resistors * @chip: The gpio chip that the GPIO pin belongs to. * @off: The offset to the pin to get the configuration of. * * This helper function reads the state of the pull-{up,down} resistor for the - * given GPIO in the same case as s3c_gpio_setpull_upown. + * given GPIO in the same case as samsung_gpio_setpull_upown. */ -extern s3c_gpio_pull_t s3c_gpio_getpull_s3c2443(struct s3c_gpio_chip *chip, +extern samsung_gpio_pull_t s3c2443_gpio_getpull(struct samsung_gpio_chip *chip, unsigned int off); #endif /* __PLAT_GPIO_CFG_HELPERS_H */ - diff --git a/arch/arm/plat-samsung/include/plat/gpio-cfg.h b/arch/arm/plat-samsung/include/plat/gpio-cfg.h index 1762dcb4cb9e..d48245bb02b3 100644 --- a/arch/arm/plat-samsung/include/plat/gpio-cfg.h +++ b/arch/arm/plat-samsung/include/plat/gpio-cfg.h @@ -24,14 +24,14 @@ #ifndef __PLAT_GPIO_CFG_H #define __PLAT_GPIO_CFG_H __FILE__ -typedef unsigned int __bitwise__ s3c_gpio_pull_t; +typedef unsigned int __bitwise__ samsung_gpio_pull_t; typedef unsigned int __bitwise__ s5p_gpio_drvstr_t; /* forward declaration if gpio-core.h hasn't been included */ -struct s3c_gpio_chip; +struct samsung_gpio_chip; /** - * struct s3c_gpio_cfg GPIO configuration + * struct samsung_gpio_cfg GPIO configuration * @cfg_eint: Configuration setting when used for external interrupt source * @get_pull: Read the current pull configuration for the GPIO * @set_pull: Set the current pull configuraiton for the GPIO @@ -44,20 +44,20 @@ struct s3c_gpio_chip; * per-bank configuration information that other systems such as the * external interrupt code will need. * - * @sa s3c_gpio_cfgpin + * @sa samsung_gpio_cfgpin * @sa s3c_gpio_getcfg * @sa s3c_gpio_setpull * @sa s3c_gpio_getpull */ -struct s3c_gpio_cfg { +struct samsung_gpio_cfg { unsigned int cfg_eint; - s3c_gpio_pull_t (*get_pull)(struct s3c_gpio_chip *chip, unsigned offs); - int (*set_pull)(struct s3c_gpio_chip *chip, unsigned offs, - s3c_gpio_pull_t pull); + samsung_gpio_pull_t (*get_pull)(struct samsung_gpio_chip *chip, unsigned offs); + int (*set_pull)(struct samsung_gpio_chip *chip, unsigned offs, + samsung_gpio_pull_t pull); - unsigned (*get_config)(struct s3c_gpio_chip *chip, unsigned offs); - int (*set_config)(struct s3c_gpio_chip *chip, unsigned offs, + unsigned (*get_config)(struct samsung_gpio_chip *chip, unsigned offs); + int (*set_config)(struct samsung_gpio_chip *chip, unsigned offs, unsigned config); }; @@ -69,7 +69,7 @@ struct s3c_gpio_cfg { #define S3C_GPIO_OUTPUT (S3C_GPIO_SPECIAL(1)) #define S3C_GPIO_SFN(x) (S3C_GPIO_SPECIAL(x)) -#define s3c_gpio_is_cfg_special(_cfg) \ +#define samsung_gpio_is_cfg_special(_cfg) \ (((_cfg) & S3C_GPIO_SPECIAL_MARK) == S3C_GPIO_SPECIAL_MARK) /** @@ -128,9 +128,9 @@ extern int s3c_gpio_cfgpin_range(unsigned int start, unsigned int nr, * up or down settings, and it may be dependent on the chip that is being * used to whether the particular mode is available. */ -#define S3C_GPIO_PULL_NONE ((__force s3c_gpio_pull_t)0x00) -#define S3C_GPIO_PULL_DOWN ((__force s3c_gpio_pull_t)0x01) -#define S3C_GPIO_PULL_UP ((__force s3c_gpio_pull_t)0x02) +#define S3C_GPIO_PULL_NONE ((__force samsung_gpio_pull_t)0x00) +#define S3C_GPIO_PULL_DOWN ((__force samsung_gpio_pull_t)0x01) +#define S3C_GPIO_PULL_UP ((__force samsung_gpio_pull_t)0x02) /** * s3c_gpio_setpull() - set the state of a gpio pin pull resistor @@ -143,7 +143,7 @@ extern int s3c_gpio_cfgpin_range(unsigned int start, unsigned int nr, * * @pull is one of S3C_GPIO_PULL_NONE, S3C_GPIO_PULL_DOWN or S3C_GPIO_PULL_UP. */ -extern int s3c_gpio_setpull(unsigned int pin, s3c_gpio_pull_t pull); +extern int s3c_gpio_setpull(unsigned int pin, samsung_gpio_pull_t pull); /** * s3c_gpio_getpull() - get the pull resistor state of a gpio pin @@ -151,7 +151,7 @@ extern int s3c_gpio_setpull(unsigned int pin, s3c_gpio_pull_t pull); * * Read the pull resistor value for the specified pin. */ -extern s3c_gpio_pull_t s3c_gpio_getpull(unsigned int pin); +extern samsung_gpio_pull_t s3c_gpio_getpull(unsigned int pin); /* configure `all` aspects of an gpio */ @@ -170,7 +170,7 @@ extern s3c_gpio_pull_t s3c_gpio_getpull(unsigned int pin); * @sa s3c_gpio_cfgpin_range */ extern int s3c_gpio_cfgall_range(unsigned int start, unsigned int nr, - unsigned int cfg, s3c_gpio_pull_t pull); + unsigned int cfg, samsung_gpio_pull_t pull); static inline int s3c_gpio_cfgrange_nopull(unsigned int pin, unsigned int size, unsigned int cfg) diff --git a/arch/arm/plat-samsung/include/plat/gpio-core.h b/arch/arm/plat-samsung/include/plat/gpio-core.h index 8cad4cf19c3c..1fe6917f6a2a 100644 --- a/arch/arm/plat-samsung/include/plat/gpio-core.h +++ b/arch/arm/plat-samsung/include/plat/gpio-core.h @@ -25,22 +25,22 @@ * specific code. */ -struct s3c_gpio_chip; +struct samsung_gpio_chip; /** - * struct s3c_gpio_pm - power management (suspend/resume) information + * struct samsung_gpio_pm - power management (suspend/resume) information * @save: Routine to save the state of the GPIO block * @resume: Routine to resume the GPIO block. */ -struct s3c_gpio_pm { - void (*save)(struct s3c_gpio_chip *chip); - void (*resume)(struct s3c_gpio_chip *chip); +struct samsung_gpio_pm { + void (*save)(struct samsung_gpio_chip *chip); + void (*resume)(struct samsung_gpio_chip *chip); }; -struct s3c_gpio_cfg; +struct samsung_gpio_cfg; /** - * struct s3c_gpio_chip - wrapper for specific implementation of gpio + * struct samsung_gpio_chip - wrapper for specific implementation of gpio * @chip: The chip structure to be exported via gpiolib. * @base: The base pointer to the gpio configuration registers. * @group: The group register number for gpio interrupt support. @@ -60,10 +60,10 @@ struct s3c_gpio_cfg; * CPU cores trying to get one lock for different GPIO banks, where each * bank of GPIO has its own register space and configuration registers. */ -struct s3c_gpio_chip { +struct samsung_gpio_chip { struct gpio_chip chip; - struct s3c_gpio_cfg *config; - struct s3c_gpio_pm *pm; + struct samsung_gpio_cfg *config; + struct samsung_gpio_pm *pm; void __iomem *base; int irq_base; int group; @@ -73,58 +73,11 @@ struct s3c_gpio_chip { #endif }; -static inline struct s3c_gpio_chip *to_s3c_gpio(struct gpio_chip *gpc) +static inline struct samsung_gpio_chip *to_samsung_gpio(struct gpio_chip *gpc) { - return container_of(gpc, struct s3c_gpio_chip, chip); + return container_of(gpc, struct samsung_gpio_chip, chip); } -/** s3c_gpiolib_add() - add the s3c specific version of a gpio_chip. - * @chip: The chip to register - * - * This is a wrapper to gpiochip_add() that takes our specific gpio chip - * information and makes the necessary alterations for the platform and - * notes the information for use with the configuration systems and any - * other parts of the system. - */ -extern void s3c_gpiolib_add(struct s3c_gpio_chip *chip); - -/* CONFIG_S3C_GPIO_TRACK enables the tracking of the s3c specific gpios - * for use with the configuration calls, and other parts of the s3c gpiolib - * support code. - * - * Not all s3c support code will need this, as some configurations of cpu - * may only support one or two different configuration options and have an - * easy gpio to s3c_gpio_chip mapping function. If this is the case, then - * the machine support file should provide its own s3c_gpiolib_getchip() - * and any other necessary functions. - */ - -/** - * samsung_gpiolib_add_4bit_chips - 4bit single register GPIO config. - * @chip: The gpio chip that is being configured. - * @nr_chips: The no of chips (gpio ports) for the GPIO being configured. - * - * This helper deal with the GPIO cases where the control register has 4 bits - * of control per GPIO, generally in the form of: - * 0000 = Input - * 0001 = Output - * others = Special functions (dependent on bank) - * - * Note, since the code to deal with the case where there are two control - * registers instead of one, we do not have a separate set of function - * (samsung_gpiolib_add_4bit2_chips)for each case. - */ -extern void samsung_gpiolib_add_4bit_chips(struct s3c_gpio_chip *chip, - int nr_chips); -extern void samsung_gpiolib_add_4bit2_chips(struct s3c_gpio_chip *chip, - int nr_chips); -extern void samsung_gpiolib_add_2bit_chips(struct s3c_gpio_chip *chip, - int nr_chips); - -extern void samsung_gpiolib_add_4bit(struct s3c_gpio_chip *chip); -extern void samsung_gpiolib_add_4bit2(struct s3c_gpio_chip *chip); - - /** * samsung_gpiolib_to_irq - convert gpio pin to irq number * @chip: The gpio chip that the pin belongs to. @@ -136,36 +89,36 @@ extern void samsung_gpiolib_add_4bit2(struct s3c_gpio_chip *chip); extern int samsung_gpiolib_to_irq(struct gpio_chip *chip, unsigned int offset); /* exported for core SoC support to change */ -extern struct s3c_gpio_cfg s3c24xx_gpiocfg_default; +extern struct samsung_gpio_cfg s3c24xx_gpiocfg_default; #ifdef CONFIG_S3C_GPIO_TRACK -extern struct s3c_gpio_chip *s3c_gpios[S3C_GPIO_END]; +extern struct samsung_gpio_chip *s3c_gpios[S3C_GPIO_END]; -static inline struct s3c_gpio_chip *s3c_gpiolib_getchip(unsigned int chip) +static inline struct samsung_gpio_chip *samsung_gpiolib_getchip(unsigned int chip) { return (chip < S3C_GPIO_END) ? s3c_gpios[chip] : NULL; } #else -/* machine specific code should provide s3c_gpiolib_getchip */ +/* machine specific code should provide samsung_gpiolib_getchip */ #include <mach/gpio-track.h> -static inline void s3c_gpiolib_track(struct s3c_gpio_chip *chip) { } +static inline void s3c_gpiolib_track(struct samsung_gpio_chip *chip) { } #endif #ifdef CONFIG_PM -extern struct s3c_gpio_pm s3c_gpio_pm_1bit; -extern struct s3c_gpio_pm s3c_gpio_pm_2bit; -extern struct s3c_gpio_pm s3c_gpio_pm_4bit; +extern struct samsung_gpio_pm samsung_gpio_pm_1bit; +extern struct samsung_gpio_pm samsung_gpio_pm_2bit; +extern struct samsung_gpio_pm samsung_gpio_pm_4bit; #define __gpio_pm(x) x #else -#define s3c_gpio_pm_1bit NULL -#define s3c_gpio_pm_2bit NULL -#define s3c_gpio_pm_4bit NULL +#define samsung_gpio_pm_1bit NULL +#define samsung_gpio_pm_2bit NULL +#define samsung_gpio_pm_4bit NULL #define __gpio_pm(x) NULL #endif /* CONFIG_PM */ /* locking wrappers to deal with multiple access to the same gpio bank */ -#define s3c_gpio_lock(_oc, _fl) spin_lock_irqsave(&(_oc)->lock, _fl) -#define s3c_gpio_unlock(_oc, _fl) spin_unlock_irqrestore(&(_oc)->lock, _fl) +#define samsung_gpio_lock(_oc, _fl) spin_lock_irqsave(&(_oc)->lock, _fl) +#define samsung_gpio_unlock(_oc, _fl) spin_unlock_irqrestore(&(_oc)->lock, _fl) diff --git a/arch/arm/plat-samsung/include/plat/gpio-fns.h b/arch/arm/plat-samsung/include/plat/gpio-fns.h new file mode 100644 index 000000000000..bab139201761 --- /dev/null +++ b/arch/arm/plat-samsung/include/plat/gpio-fns.h @@ -0,0 +1,98 @@ +/* arch/arm/mach-s3c2410/include/mach/gpio-fns.h + * + * Copyright (c) 2003-2009 Simtec Electronics + * Ben Dooks <ben@simtec.co.uk> + * + * S3C2410 - hardware + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. +*/ + +#ifndef __MACH_GPIO_FNS_H +#define __MACH_GPIO_FNS_H __FILE__ + +/* These functions are in the to-be-removed category and it is strongly + * encouraged not to use these in new code. They will be marked deprecated + * very soon. + * + * Most of the functionality can be either replaced by the gpiocfg calls + * for the s3c platform or by the generic GPIOlib API. + * + * As of 2.6.35-rc, these will be removed, with the few drivers using them + * either replaced or given a wrapper until the calls can be removed. +*/ + +#include <plat/gpio-cfg.h> + +static inline void s3c2410_gpio_cfgpin(unsigned int pin, unsigned int cfg) +{ + /* 1:1 mapping between cfgpin and setcfg calls at the moment */ + s3c_gpio_cfgpin(pin, cfg); +} + +/* external functions for GPIO support + * + * These allow various different clients to access the same GPIO + * registers without conflicting. If your driver only owns the entire + * GPIO register, then it is safe to ioremap/__raw_{read|write} to it. +*/ + +extern unsigned int s3c2410_gpio_getcfg(unsigned int pin); + +/* s3c2410_gpio_getirq + * + * turn the given pin number into the corresponding IRQ number + * + * returns: + * < 0 = no interrupt for this pin + * >=0 = interrupt number for the pin +*/ + +extern int s3c2410_gpio_getirq(unsigned int pin); + +/* s3c2410_gpio_irqfilter + * + * set the irq filtering on the given pin + * + * on = 0 => disable filtering + * 1 => enable filtering + * + * config = S3C2410_EINTFLT_PCLK or S3C2410_EINTFLT_EXTCLK orred with + * width of filter (0 through 63) + * + * +*/ + +extern int s3c2410_gpio_irqfilter(unsigned int pin, unsigned int on, + unsigned int config); + +/* s3c2410_gpio_pullup + * + * This call should be replaced with s3c_gpio_setpull(). + * + * As a note, there is currently no distinction between pull-up and pull-down + * in the s3c24xx series devices with only an on/off configuration. + */ + +/* s3c2410_gpio_pullup + * + * configure the pull-up control on the given pin + * + * to = 1 => disable the pull-up + * 0 => enable the pull-up + * + * eg; + * + * s3c2410_gpio_pullup(S3C2410_GPB(0), 0); + * s3c2410_gpio_pullup(S3C2410_GPE(8), 0); +*/ + +extern void s3c2410_gpio_pullup(unsigned int pin, unsigned int to); + +extern void s3c2410_gpio_setpin(unsigned int pin, unsigned int to); + +extern unsigned int s3c2410_gpio_getpin(unsigned int pin); + +#endif /* __MACH_GPIO_FNS_H */ diff --git a/arch/arm/plat-samsung/include/plat/iic.h b/arch/arm/plat-samsung/include/plat/iic.h index 56b0059439e1..51d52e767a19 100644 --- a/arch/arm/plat-samsung/include/plat/iic.h +++ b/arch/arm/plat-samsung/include/plat/iic.h @@ -60,6 +60,7 @@ extern void s3c_i2c4_set_platdata(struct s3c2410_platform_i2c *i2c); extern void s3c_i2c5_set_platdata(struct s3c2410_platform_i2c *i2c); extern void s3c_i2c6_set_platdata(struct s3c2410_platform_i2c *i2c); extern void s3c_i2c7_set_platdata(struct s3c2410_platform_i2c *i2c); +extern void s5p_i2c_hdmiphy_set_platdata(struct s3c2410_platform_i2c *i2c); /* defined by architecture to configure gpio */ extern void s3c_i2c0_cfg_gpio(struct platform_device *dev); diff --git a/arch/arm/plat-samsung/include/plat/pm.h b/arch/arm/plat-samsung/include/plat/pm.h index f6749916d194..dcf68709f9cf 100644 --- a/arch/arm/plat-samsung/include/plat/pm.h +++ b/arch/arm/plat-samsung/include/plat/pm.h @@ -165,20 +165,20 @@ extern void s3c_pm_check_store(void); extern void s3c_pm_configure_extint(void); /** - * s3c_pm_restore_gpios() - restore the state of the gpios after sleep. + * samsung_pm_restore_gpios() - restore the state of the gpios after sleep. * * Restore the state of the GPIO pins after sleep, which may involve ensuring * that we do not glitch the state of the pins from that the bootloader's * resume code has done. */ -extern void s3c_pm_restore_gpios(void); +extern void samsung_pm_restore_gpios(void); /** - * s3c_pm_save_gpios() - save the state of the GPIOs for restoring after sleep. + * samsung_pm_save_gpios() - save the state of the GPIOs for restoring after sleep. * - * Save the GPIO states for resotration on resume. See s3c_pm_restore_gpios(). + * Save the GPIO states for resotration on resume. See samsung_pm_restore_gpios(). */ -extern void s3c_pm_save_gpios(void); +extern void samsung_pm_save_gpios(void); extern void s3c_pm_save_core(void); extern void s3c_pm_restore_core(void); diff --git a/arch/arm/plat-samsung/include/plat/s3c-pl330-pdata.h b/arch/arm/plat-samsung/include/plat/s3c-pl330-pdata.h deleted file mode 100644 index bf5e2a9d408d..000000000000 --- a/arch/arm/plat-samsung/include/plat/s3c-pl330-pdata.h +++ /dev/null @@ -1,32 +0,0 @@ -/* linux/arch/arm/plat-samsung/include/plat/s3c-pl330-pdata.h - * - * Copyright (C) 2010 Samsung Electronics Co. Ltd. - * Jaswinder Singh <jassi.brar@samsung.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - */ - -#ifndef __S3C_PL330_PDATA_H -#define __S3C_PL330_PDATA_H - -#include <plat/s3c-dma-pl330.h> - -/* - * Every PL330 DMAC has max 32 peripheral interfaces, - * of which some may be not be really used in your - * DMAC's configuration. - * Populate this array of 32 peri i/fs with relevant - * channel IDs for used peri i/f and DMACH_MAX for - * those unused. - * - * The platforms just need to provide this info - * to the S3C DMA API driver for PL330. - */ -struct s3c_pl330_platdata { - enum dma_ch peri[32]; -}; - -#endif /* __S3C_PL330_PDATA_H */ diff --git a/arch/arm/plat-samsung/include/plat/tv-core.h b/arch/arm/plat-samsung/include/plat/tv-core.h new file mode 100644 index 000000000000..3bc34f3ce28f --- /dev/null +++ b/arch/arm/plat-samsung/include/plat/tv-core.h @@ -0,0 +1,44 @@ +/* + * arch/arm/plat-samsung/include/plat/tv.h + * + * Copyright 2011 Samsung Electronics Co., Ltd. + * Tomasz Stanislawski <t.stanislaws@samsung.com> + * + * Samsung TV driver core functions + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ + +#ifndef __SAMSUNG_PLAT_TV_H +#define __SAMSUNG_PLAT_TV_H __FILE__ + +/* + * These functions are only for use with the core support code, such as + * the CPU-specific initialization code. + */ + +/* Re-define device name to differentiate the subsystem in various SoCs. */ +static inline void s5p_hdmi_setname(char *name) +{ +#ifdef CONFIG_S5P_DEV_TV + s5p_device_hdmi.name = name; +#endif +} + +static inline void s5p_mixer_setname(char *name) +{ +#ifdef CONFIG_S5P_DEV_TV + s5p_device_mixer.name = name; +#endif +} + +static inline void s5p_sdo_setname(char *name) +{ +#ifdef CONFIG_S5P_DEV_TV + s5p_device_sdo.name = name; +#endif +} + +#endif /* __SAMSUNG_PLAT_TV_H */ diff --git a/arch/arm/plat-samsung/include/plat/watchdog-reset.h b/arch/arm/plat-samsung/include/plat/watchdog-reset.h index 54b762acb5a0..40dbb2b0ae22 100644 --- a/arch/arm/plat-samsung/include/plat/watchdog-reset.h +++ b/arch/arm/plat-samsung/include/plat/watchdog-reset.h @@ -10,6 +10,7 @@ * published by the Free Software Foundation. */ +#include <plat/clock.h> #include <plat/regs-watchdog.h> #include <mach/map.h> @@ -19,17 +20,12 @@ static inline void arch_wdt_reset(void) { - struct clk *wdtclk; - printk("arch_reset: attempting watchdog reset\n"); __raw_writel(0, S3C2410_WTCON); /* disable watchdog, to be safe */ - wdtclk = clk_get(NULL, "watchdog"); - if (!IS_ERR(wdtclk)) { - clk_enable(wdtclk); - } else - printk(KERN_WARNING "%s: warning: cannot get watchdog clock\n", __func__); + if (s3c2410_wdtclk) + clk_enable(s3c2410_wdtclk); /* put initial values into count and data */ __raw_writel(0x80, S3C2410_WTCNT); diff --git a/arch/arm/plat-samsung/pm-gpio.c b/arch/arm/plat-samsung/pm-gpio.c index 96528200eb79..4be016eaa6db 100644 --- a/arch/arm/plat-samsung/pm-gpio.c +++ b/arch/arm/plat-samsung/pm-gpio.c @@ -28,13 +28,13 @@ #define OFFS_DAT (0x04) #define OFFS_UP (0x08) -static void s3c_gpio_pm_1bit_save(struct s3c_gpio_chip *chip) +static void samsung_gpio_pm_1bit_save(struct samsung_gpio_chip *chip) { chip->pm_save[0] = __raw_readl(chip->base + OFFS_CON); chip->pm_save[1] = __raw_readl(chip->base + OFFS_DAT); } -static void s3c_gpio_pm_1bit_resume(struct s3c_gpio_chip *chip) +static void samsung_gpio_pm_1bit_resume(struct samsung_gpio_chip *chip) { void __iomem *base = chip->base; u32 old_gpcon = __raw_readl(base + OFFS_CON); @@ -60,12 +60,12 @@ static void s3c_gpio_pm_1bit_resume(struct s3c_gpio_chip *chip) chip->chip.label, old_gpcon, gps_gpcon, old_gpdat, gps_gpdat); } -struct s3c_gpio_pm s3c_gpio_pm_1bit = { - .save = s3c_gpio_pm_1bit_save, - .resume = s3c_gpio_pm_1bit_resume, +struct samsung_gpio_pm samsung_gpio_pm_1bit = { + .save = samsung_gpio_pm_1bit_save, + .resume = samsung_gpio_pm_1bit_resume, }; -static void s3c_gpio_pm_2bit_save(struct s3c_gpio_chip *chip) +static void samsung_gpio_pm_2bit_save(struct samsung_gpio_chip *chip) { chip->pm_save[0] = __raw_readl(chip->base + OFFS_CON); chip->pm_save[1] = __raw_readl(chip->base + OFFS_DAT); @@ -95,7 +95,7 @@ static inline int is_out(unsigned long con) } /** - * s3c_gpio_pm_2bit_resume() - restore the given GPIO bank + * samsung_gpio_pm_2bit_resume() - restore the given GPIO bank * @chip: The chip information to resume. * * Restore one of the GPIO banks that was saved during suspend. This is @@ -121,7 +121,7 @@ static inline int is_out(unsigned long con) * [1] this assumes that writing to a pin DAT whilst in SFN will set the * state for when it is next output. */ -static void s3c_gpio_pm_2bit_resume(struct s3c_gpio_chip *chip) +static void samsung_gpio_pm_2bit_resume(struct samsung_gpio_chip *chip) { void __iomem *base = chip->base; u32 old_gpcon = __raw_readl(base + OFFS_CON); @@ -187,13 +187,13 @@ static void s3c_gpio_pm_2bit_resume(struct s3c_gpio_chip *chip) chip->chip.label, old_gpcon, gps_gpcon, old_gpdat, gps_gpdat); } -struct s3c_gpio_pm s3c_gpio_pm_2bit = { - .save = s3c_gpio_pm_2bit_save, - .resume = s3c_gpio_pm_2bit_resume, +struct samsung_gpio_pm samsung_gpio_pm_2bit = { + .save = samsung_gpio_pm_2bit_save, + .resume = samsung_gpio_pm_2bit_resume, }; #if defined(CONFIG_ARCH_S3C64XX) || defined(CONFIG_PLAT_S5P) -static void s3c_gpio_pm_4bit_save(struct s3c_gpio_chip *chip) +static void samsung_gpio_pm_4bit_save(struct samsung_gpio_chip *chip) { chip->pm_save[1] = __raw_readl(chip->base + OFFS_CON); chip->pm_save[2] = __raw_readl(chip->base + OFFS_DAT); @@ -203,7 +203,7 @@ static void s3c_gpio_pm_4bit_save(struct s3c_gpio_chip *chip) chip->pm_save[0] = __raw_readl(chip->base - 4); } -static u32 s3c_gpio_pm_4bit_mask(u32 old_gpcon, u32 gps_gpcon) +static u32 samsung_gpio_pm_4bit_mask(u32 old_gpcon, u32 gps_gpcon) { u32 old, new, mask; u32 change_mask = 0x0; @@ -242,14 +242,14 @@ static u32 s3c_gpio_pm_4bit_mask(u32 old_gpcon, u32 gps_gpcon) return change_mask; } -static void s3c_gpio_pm_4bit_con(struct s3c_gpio_chip *chip, int index) +static void samsung_gpio_pm_4bit_con(struct samsung_gpio_chip *chip, int index) { void __iomem *con = chip->base + (index * 4); u32 old_gpcon = __raw_readl(con); u32 gps_gpcon = chip->pm_save[index + 1]; u32 gpcon, mask; - mask = s3c_gpio_pm_4bit_mask(old_gpcon, gps_gpcon); + mask = samsung_gpio_pm_4bit_mask(old_gpcon, gps_gpcon); gpcon = old_gpcon & ~mask; gpcon |= gps_gpcon & mask; @@ -257,7 +257,7 @@ static void s3c_gpio_pm_4bit_con(struct s3c_gpio_chip *chip, int index) __raw_writel(gpcon, con); } -static void s3c_gpio_pm_4bit_resume(struct s3c_gpio_chip *chip) +static void samsung_gpio_pm_4bit_resume(struct samsung_gpio_chip *chip) { void __iomem *base = chip->base; u32 old_gpcon[2]; @@ -269,10 +269,10 @@ static void s3c_gpio_pm_4bit_resume(struct s3c_gpio_chip *chip) old_gpcon[0] = 0; old_gpcon[1] = __raw_readl(base + OFFS_CON); - s3c_gpio_pm_4bit_con(chip, 0); + samsung_gpio_pm_4bit_con(chip, 0); if (chip->chip.ngpio > 8) { old_gpcon[0] = __raw_readl(base - 4); - s3c_gpio_pm_4bit_con(chip, -1); + samsung_gpio_pm_4bit_con(chip, -1); } /* Now change the configurations that require DAT,CON */ @@ -298,19 +298,19 @@ static void s3c_gpio_pm_4bit_resume(struct s3c_gpio_chip *chip) old_gpdat, gps_gpdat); } -struct s3c_gpio_pm s3c_gpio_pm_4bit = { - .save = s3c_gpio_pm_4bit_save, - .resume = s3c_gpio_pm_4bit_resume, +struct samsung_gpio_pm samsung_gpio_pm_4bit = { + .save = samsung_gpio_pm_4bit_save, + .resume = samsung_gpio_pm_4bit_resume, }; #endif /* CONFIG_ARCH_S3C64XX || CONFIG_PLAT_S5P */ /** - * s3c_pm_save_gpio() - save gpio chip data for suspend + * samsung_pm_save_gpio() - save gpio chip data for suspend * @ourchip: The chip for suspend. */ -static void s3c_pm_save_gpio(struct s3c_gpio_chip *ourchip) +static void samsung_pm_save_gpio(struct samsung_gpio_chip *ourchip) { - struct s3c_gpio_pm *pm = ourchip->pm; + struct samsung_gpio_pm *pm = ourchip->pm; if (pm == NULL || pm->save == NULL) S3C_PMDBG("%s: no pm for %s\n", __func__, ourchip->chip.label); @@ -319,24 +319,24 @@ static void s3c_pm_save_gpio(struct s3c_gpio_chip *ourchip) } /** - * s3c_pm_save_gpios() - Save the state of the GPIO banks. + * samsung_pm_save_gpios() - Save the state of the GPIO banks. * * For all the GPIO banks, save the state of each one ready for going * into a suspend mode. */ -void s3c_pm_save_gpios(void) +void samsung_pm_save_gpios(void) { - struct s3c_gpio_chip *ourchip; + struct samsung_gpio_chip *ourchip; unsigned int gpio_nr; for (gpio_nr = 0; gpio_nr < S3C_GPIO_END;) { - ourchip = s3c_gpiolib_getchip(gpio_nr); + ourchip = samsung_gpiolib_getchip(gpio_nr); if (!ourchip) { gpio_nr++; continue; } - s3c_pm_save_gpio(ourchip); + samsung_pm_save_gpio(ourchip); S3C_PMDBG("%s: save %08x,%08x,%08x,%08x\n", ourchip->chip.label, @@ -351,12 +351,12 @@ void s3c_pm_save_gpios(void) } /** - * s3c_pm_resume_gpio() - restore gpio chip data after suspend + * samsung_pm_resume_gpio() - restore gpio chip data after suspend * @ourchip: The suspended chip. */ -static void s3c_pm_resume_gpio(struct s3c_gpio_chip *ourchip) +static void samsung_pm_resume_gpio(struct samsung_gpio_chip *ourchip) { - struct s3c_gpio_pm *pm = ourchip->pm; + struct samsung_gpio_pm *pm = ourchip->pm; if (pm == NULL || pm->resume == NULL) S3C_PMDBG("%s: no pm for %s\n", __func__, ourchip->chip.label); @@ -364,19 +364,19 @@ static void s3c_pm_resume_gpio(struct s3c_gpio_chip *ourchip) pm->resume(ourchip); } -void s3c_pm_restore_gpios(void) +void samsung_pm_restore_gpios(void) { - struct s3c_gpio_chip *ourchip; + struct samsung_gpio_chip *ourchip; unsigned int gpio_nr; for (gpio_nr = 0; gpio_nr < S3C_GPIO_END;) { - ourchip = s3c_gpiolib_getchip(gpio_nr); + ourchip = samsung_gpiolib_getchip(gpio_nr); if (!ourchip) { gpio_nr++; continue; } - s3c_pm_resume_gpio(ourchip); + samsung_pm_resume_gpio(ourchip); gpio_nr += ourchip->chip.ngpio; gpio_nr += CONFIG_S3C_GPIO_SPACE; diff --git a/arch/arm/plat-samsung/pm.c b/arch/arm/plat-samsung/pm.c index ae6f99834cdd..64ab65f0fdbc 100644 --- a/arch/arm/plat-samsung/pm.c +++ b/arch/arm/plat-samsung/pm.c @@ -268,8 +268,8 @@ static int s3c_pm_enter(suspend_state_t state) /* save all necessary core registers not covered by the drivers */ - s3c_pm_save_gpios(); - s3c_pm_saved_gpios(); + samsung_pm_save_gpios(); + samsung_pm_saved_gpios(); s3c_pm_save_uarts(); s3c_pm_save_core(); @@ -306,7 +306,7 @@ static int s3c_pm_enter(suspend_state_t state) s3c_pm_restore_core(); s3c_pm_restore_uarts(); - s3c_pm_restore_gpios(); + samsung_pm_restore_gpios(); s3c_pm_restored_gpios(); s3c_pm_debug_init(); diff --git a/arch/arm/plat-samsung/s3c-dma-ops.c b/arch/arm/plat-samsung/s3c-dma-ops.c new file mode 100644 index 000000000000..582333c70585 --- /dev/null +++ b/arch/arm/plat-samsung/s3c-dma-ops.c @@ -0,0 +1,130 @@ +/* linux/arch/arm/plat-samsung/s3c-dma-ops.c + * + * Copyright (c) 2011 Samsung Electronics Co., Ltd. + * http://www.samsung.com + * + * Samsung S3C-DMA Operations + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ + +#include <linux/kernel.h> +#include <linux/errno.h> +#include <linux/slab.h> +#include <linux/types.h> + +#include <mach/dma.h> + +struct cb_data { + void (*fp) (void *); + void *fp_param; + unsigned ch; + struct list_head node; +}; + +static LIST_HEAD(dma_list); + +static void s3c_dma_cb(struct s3c2410_dma_chan *channel, void *param, + int size, enum s3c2410_dma_buffresult res) +{ + struct cb_data *data = param; + + data->fp(data->fp_param); +} + +static unsigned s3c_dma_request(enum dma_ch dma_ch, + struct samsung_dma_info *info) +{ + struct cb_data *data; + + if (s3c2410_dma_request(dma_ch, info->client, NULL) < 0) { + s3c2410_dma_free(dma_ch, info->client); + return 0; + } + + data = kzalloc(sizeof(struct cb_data), GFP_KERNEL); + data->ch = dma_ch; + list_add_tail(&data->node, &dma_list); + + s3c2410_dma_devconfig(dma_ch, info->direction, info->fifo); + + if (info->cap == DMA_CYCLIC) + s3c2410_dma_setflags(dma_ch, S3C2410_DMAF_CIRCULAR); + + s3c2410_dma_config(dma_ch, info->width); + + return (unsigned)dma_ch; +} + +static int s3c_dma_release(unsigned ch, struct s3c2410_dma_client *client) +{ + struct cb_data *data; + + list_for_each_entry(data, &dma_list, node) + if (data->ch == ch) + break; + list_del(&data->node); + + s3c2410_dma_free(ch, client); + kfree(data); + + return 0; +} + +static int s3c_dma_prepare(unsigned ch, struct samsung_dma_prep_info *info) +{ + struct cb_data *data; + int len = (info->cap == DMA_CYCLIC) ? info->period : info->len; + + list_for_each_entry(data, &dma_list, node) + if (data->ch == ch) + break; + + if (!data->fp) { + s3c2410_dma_set_buffdone_fn(ch, s3c_dma_cb); + data->fp = info->fp; + data->fp_param = info->fp_param; + } + + s3c2410_dma_enqueue(ch, (void *)data, info->buf, len); + + return 0; +} + +static inline int s3c_dma_trigger(unsigned ch) +{ + return s3c2410_dma_ctrl(ch, S3C2410_DMAOP_START); +} + +static inline int s3c_dma_started(unsigned ch) +{ + return s3c2410_dma_ctrl(ch, S3C2410_DMAOP_STARTED); +} + +static inline int s3c_dma_flush(unsigned ch) +{ + return s3c2410_dma_ctrl(ch, S3C2410_DMAOP_FLUSH); +} + +static inline int s3c_dma_stop(unsigned ch) +{ + return s3c2410_dma_ctrl(ch, S3C2410_DMAOP_STOP); +} + +static struct samsung_dma_ops s3c_dma_ops = { + .request = s3c_dma_request, + .release = s3c_dma_release, + .prepare = s3c_dma_prepare, + .trigger = s3c_dma_trigger, + .started = s3c_dma_started, + .flush = s3c_dma_flush, + .stop = s3c_dma_stop, +}; + +void *s3c_dma_get_ops(void) +{ + return &s3c_dma_ops; +} +EXPORT_SYMBOL(s3c_dma_get_ops); diff --git a/arch/arm/plat-samsung/s3c-pl330.c b/arch/arm/plat-samsung/s3c-pl330.c deleted file mode 100644 index f85638c6f5ae..000000000000 --- a/arch/arm/plat-samsung/s3c-pl330.c +++ /dev/null @@ -1,1244 +0,0 @@ -/* linux/arch/arm/plat-samsung/s3c-pl330.c - * - * Copyright (C) 2010 Samsung Electronics Co. Ltd. - * Jaswinder Singh <jassi.brar@samsung.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - */ - -#include <linux/init.h> -#include <linux/module.h> -#include <linux/interrupt.h> -#include <linux/io.h> -#include <linux/slab.h> -#include <linux/platform_device.h> -#include <linux/clk.h> -#include <linux/err.h> - -#include <asm/hardware/pl330.h> - -#include <plat/s3c-pl330-pdata.h> - -/** - * struct s3c_pl330_dmac - Logical representation of a PL330 DMAC. - * @busy_chan: Number of channels currently busy. - * @peri: List of IDs of peripherals this DMAC can work with. - * @node: To attach to the global list of DMACs. - * @pi: PL330 configuration info for the DMAC. - * @kmcache: Pool to quickly allocate xfers for all channels in the dmac. - * @clk: Pointer of DMAC operation clock. - */ -struct s3c_pl330_dmac { - unsigned busy_chan; - enum dma_ch *peri; - struct list_head node; - struct pl330_info *pi; - struct kmem_cache *kmcache; - struct clk *clk; -}; - -/** - * struct s3c_pl330_xfer - A request submitted by S3C DMA clients. - * @token: Xfer ID provided by the client. - * @node: To attach to the list of xfers on a channel. - * @px: Xfer for PL330 core. - * @chan: Owner channel of this xfer. - */ -struct s3c_pl330_xfer { - void *token; - struct list_head node; - struct pl330_xfer px; - struct s3c_pl330_chan *chan; -}; - -/** - * struct s3c_pl330_chan - Logical channel to communicate with - * a Physical peripheral. - * @pl330_chan_id: Token of a hardware channel thread of PL330 DMAC. - * NULL if the channel is available to be acquired. - * @id: ID of the peripheral that this channel can communicate with. - * @options: Options specified by the client. - * @sdaddr: Address provided via s3c2410_dma_devconfig. - * @node: To attach to the global list of channels. - * @lrq: Pointer to the last submitted pl330_req to PL330 core. - * @xfer_list: To manage list of xfers enqueued. - * @req: Two requests to communicate with the PL330 engine. - * @callback_fn: Callback function to the client. - * @rqcfg: Channel configuration for the xfers. - * @xfer_head: Pointer to the xfer to be next executed. - * @dmac: Pointer to the DMAC that manages this channel, NULL if the - * channel is available to be acquired. - * @client: Client of this channel. NULL if the - * channel is available to be acquired. - */ -struct s3c_pl330_chan { - void *pl330_chan_id; - enum dma_ch id; - unsigned int options; - unsigned long sdaddr; - struct list_head node; - struct pl330_req *lrq; - struct list_head xfer_list; - struct pl330_req req[2]; - s3c2410_dma_cbfn_t callback_fn; - struct pl330_reqcfg rqcfg; - struct s3c_pl330_xfer *xfer_head; - struct s3c_pl330_dmac *dmac; - struct s3c2410_dma_client *client; -}; - -/* All DMACs in the platform */ -static LIST_HEAD(dmac_list); - -/* All channels to peripherals in the platform */ -static LIST_HEAD(chan_list); - -/* - * Since we add resources(DMACs and Channels) to the global pool, - * we need to guard access to the resources using a global lock - */ -static DEFINE_SPINLOCK(res_lock); - -/* Returns the channel with ID 'id' in the chan_list */ -static struct s3c_pl330_chan *id_to_chan(const enum dma_ch id) -{ - struct s3c_pl330_chan *ch; - - list_for_each_entry(ch, &chan_list, node) - if (ch->id == id) - return ch; - - return NULL; -} - -/* Allocate a new channel with ID 'id' and add to chan_list */ -static void chan_add(const enum dma_ch id) -{ - struct s3c_pl330_chan *ch = id_to_chan(id); - - /* Return if the channel already exists */ - if (ch) - return; - - ch = kmalloc(sizeof(*ch), GFP_KERNEL); - /* Return silently to work with other channels */ - if (!ch) - return; - - ch->id = id; - ch->dmac = NULL; - - list_add_tail(&ch->node, &chan_list); -} - -/* If the channel is not yet acquired by any client */ -static bool chan_free(struct s3c_pl330_chan *ch) -{ - if (!ch) - return false; - - /* Channel points to some DMAC only when it's acquired */ - return ch->dmac ? false : true; -} - -/* - * Returns 0 is peripheral i/f is invalid or not present on the dmac. - * Index + 1, otherwise. - */ -static unsigned iface_of_dmac(struct s3c_pl330_dmac *dmac, enum dma_ch ch_id) -{ - enum dma_ch *id = dmac->peri; - int i; - - /* Discount invalid markers */ - if (ch_id == DMACH_MAX) - return 0; - - for (i = 0; i < PL330_MAX_PERI; i++) - if (id[i] == ch_id) - return i + 1; - - return 0; -} - -/* If all channel threads of the DMAC are busy */ -static inline bool dmac_busy(struct s3c_pl330_dmac *dmac) -{ - struct pl330_info *pi = dmac->pi; - - return (dmac->busy_chan < pi->pcfg.num_chan) ? false : true; -} - -/* - * Returns the number of free channels that - * can be handled by this dmac only. - */ -static unsigned ch_onlyby_dmac(struct s3c_pl330_dmac *dmac) -{ - enum dma_ch *id = dmac->peri; - struct s3c_pl330_dmac *d; - struct s3c_pl330_chan *ch; - unsigned found, count = 0; - enum dma_ch p; - int i; - - for (i = 0; i < PL330_MAX_PERI; i++) { - p = id[i]; - ch = id_to_chan(p); - - if (p == DMACH_MAX || !chan_free(ch)) - continue; - - found = 0; - list_for_each_entry(d, &dmac_list, node) { - if (d != dmac && iface_of_dmac(d, ch->id)) { - found = 1; - break; - } - } - if (!found) - count++; - } - - return count; -} - -/* - * Measure of suitability of 'dmac' handling 'ch' - * - * 0 indicates 'dmac' can not handle 'ch' either - * because it is not supported by the hardware or - * because all dmac channels are currently busy. - * - * >0 vlaue indicates 'dmac' has the capability. - * The bigger the value the more suitable the dmac. - */ -#define MAX_SUIT UINT_MAX -#define MIN_SUIT 0 - -static unsigned suitablility(struct s3c_pl330_dmac *dmac, - struct s3c_pl330_chan *ch) -{ - struct pl330_info *pi = dmac->pi; - enum dma_ch *id = dmac->peri; - struct s3c_pl330_dmac *d; - unsigned s; - int i; - - s = MIN_SUIT; - /* If all the DMAC channel threads are busy */ - if (dmac_busy(dmac)) - return s; - - for (i = 0; i < PL330_MAX_PERI; i++) - if (id[i] == ch->id) - break; - - /* If the 'dmac' can't talk to 'ch' */ - if (i == PL330_MAX_PERI) - return s; - - s = MAX_SUIT; - list_for_each_entry(d, &dmac_list, node) { - /* - * If some other dmac can talk to this - * peri and has some channel free. - */ - if (d != dmac && iface_of_dmac(d, ch->id) && !dmac_busy(d)) { - s = 0; - break; - } - } - if (s) - return s; - - s = 100; - - /* Good if free chans are more, bad otherwise */ - s += (pi->pcfg.num_chan - dmac->busy_chan) - ch_onlyby_dmac(dmac); - - return s; -} - -/* More than one DMAC may have capability to transfer data with the - * peripheral. This function assigns most suitable DMAC to manage the - * channel and hence communicate with the peripheral. - */ -static struct s3c_pl330_dmac *map_chan_to_dmac(struct s3c_pl330_chan *ch) -{ - struct s3c_pl330_dmac *d, *dmac = NULL; - unsigned sn, sl = MIN_SUIT; - - list_for_each_entry(d, &dmac_list, node) { - sn = suitablility(d, ch); - - if (sn == MAX_SUIT) - return d; - - if (sn > sl) - dmac = d; - } - - return dmac; -} - -/* Acquire the channel for peripheral 'id' */ -static struct s3c_pl330_chan *chan_acquire(const enum dma_ch id) -{ - struct s3c_pl330_chan *ch = id_to_chan(id); - struct s3c_pl330_dmac *dmac; - - /* If the channel doesn't exist or is already acquired */ - if (!ch || !chan_free(ch)) { - ch = NULL; - goto acq_exit; - } - - dmac = map_chan_to_dmac(ch); - /* If couldn't map */ - if (!dmac) { - ch = NULL; - goto acq_exit; - } - - dmac->busy_chan++; - ch->dmac = dmac; - -acq_exit: - return ch; -} - -/* Delete xfer from the queue */ -static inline void del_from_queue(struct s3c_pl330_xfer *xfer) -{ - struct s3c_pl330_xfer *t; - struct s3c_pl330_chan *ch; - int found; - - if (!xfer) - return; - - ch = xfer->chan; - - /* Make sure xfer is in the queue */ - found = 0; - list_for_each_entry(t, &ch->xfer_list, node) - if (t == xfer) { - found = 1; - break; - } - - if (!found) - return; - - /* If xfer is last entry in the queue */ - if (xfer->node.next == &ch->xfer_list) - t = list_entry(ch->xfer_list.next, - struct s3c_pl330_xfer, node); - else - t = list_entry(xfer->node.next, - struct s3c_pl330_xfer, node); - - /* If there was only one node left */ - if (t == xfer) - ch->xfer_head = NULL; - else if (ch->xfer_head == xfer) - ch->xfer_head = t; - - list_del(&xfer->node); -} - -/* Provides pointer to the next xfer in the queue. - * If CIRCULAR option is set, the list is left intact, - * otherwise the xfer is removed from the list. - * Forced delete 'pluck' can be set to override the CIRCULAR option. - */ -static struct s3c_pl330_xfer *get_from_queue(struct s3c_pl330_chan *ch, - int pluck) -{ - struct s3c_pl330_xfer *xfer = ch->xfer_head; - - if (!xfer) - return NULL; - - /* If xfer is last entry in the queue */ - if (xfer->node.next == &ch->xfer_list) - ch->xfer_head = list_entry(ch->xfer_list.next, - struct s3c_pl330_xfer, node); - else - ch->xfer_head = list_entry(xfer->node.next, - struct s3c_pl330_xfer, node); - - if (pluck || !(ch->options & S3C2410_DMAF_CIRCULAR)) - del_from_queue(xfer); - - return xfer; -} - -static inline void add_to_queue(struct s3c_pl330_chan *ch, - struct s3c_pl330_xfer *xfer, int front) -{ - struct pl330_xfer *xt; - - /* If queue empty */ - if (ch->xfer_head == NULL) - ch->xfer_head = xfer; - - xt = &ch->xfer_head->px; - /* If the head already submitted (CIRCULAR head) */ - if (ch->options & S3C2410_DMAF_CIRCULAR && - (xt == ch->req[0].x || xt == ch->req[1].x)) - ch->xfer_head = xfer; - - /* If this is a resubmission, it should go at the head */ - if (front) { - ch->xfer_head = xfer; - list_add(&xfer->node, &ch->xfer_list); - } else { - list_add_tail(&xfer->node, &ch->xfer_list); - } -} - -static inline void _finish_off(struct s3c_pl330_xfer *xfer, - enum s3c2410_dma_buffresult res, int ffree) -{ - struct s3c_pl330_chan *ch; - - if (!xfer) - return; - - ch = xfer->chan; - - /* Do callback */ - if (ch->callback_fn) - ch->callback_fn(NULL, xfer->token, xfer->px.bytes, res); - - /* Force Free or if buffer is not needed anymore */ - if (ffree || !(ch->options & S3C2410_DMAF_CIRCULAR)) - kmem_cache_free(ch->dmac->kmcache, xfer); -} - -static inline int s3c_pl330_submit(struct s3c_pl330_chan *ch, - struct pl330_req *r) -{ - struct s3c_pl330_xfer *xfer; - int ret = 0; - - /* If already submitted */ - if (r->x) - return 0; - - xfer = get_from_queue(ch, 0); - if (xfer) { - r->x = &xfer->px; - - /* Use max bandwidth for M<->M xfers */ - if (r->rqtype == MEMTOMEM) { - struct pl330_info *pi = xfer->chan->dmac->pi; - int burst = 1 << ch->rqcfg.brst_size; - u32 bytes = r->x->bytes; - int bl; - - bl = pi->pcfg.data_bus_width / 8; - bl *= pi->pcfg.data_buf_dep; - bl /= burst; - - /* src/dst_burst_len can't be more than 16 */ - if (bl > 16) - bl = 16; - - while (bl > 1) { - if (!(bytes % (bl * burst))) - break; - bl--; - } - - ch->rqcfg.brst_len = bl; - } else { - ch->rqcfg.brst_len = 1; - } - - ret = pl330_submit_req(ch->pl330_chan_id, r); - - /* If submission was successful */ - if (!ret) { - ch->lrq = r; /* latest submitted req */ - return 0; - } - - r->x = NULL; - - /* If both of the PL330 ping-pong buffers filled */ - if (ret == -EAGAIN) { - dev_err(ch->dmac->pi->dev, "%s:%d!\n", - __func__, __LINE__); - /* Queue back again */ - add_to_queue(ch, xfer, 1); - ret = 0; - } else { - dev_err(ch->dmac->pi->dev, "%s:%d!\n", - __func__, __LINE__); - _finish_off(xfer, S3C2410_RES_ERR, 0); - } - } - - return ret; -} - -static void s3c_pl330_rq(struct s3c_pl330_chan *ch, - struct pl330_req *r, enum pl330_op_err err) -{ - unsigned long flags; - struct s3c_pl330_xfer *xfer; - struct pl330_xfer *xl = r->x; - enum s3c2410_dma_buffresult res; - - spin_lock_irqsave(&res_lock, flags); - - r->x = NULL; - - s3c_pl330_submit(ch, r); - - spin_unlock_irqrestore(&res_lock, flags); - - /* Map result to S3C DMA API */ - if (err == PL330_ERR_NONE) - res = S3C2410_RES_OK; - else if (err == PL330_ERR_ABORT) - res = S3C2410_RES_ABORT; - else - res = S3C2410_RES_ERR; - - /* If last request had some xfer */ - if (xl) { - xfer = container_of(xl, struct s3c_pl330_xfer, px); - _finish_off(xfer, res, 0); - } else { - dev_info(ch->dmac->pi->dev, "%s:%d No Xfer?!\n", - __func__, __LINE__); - } -} - -static void s3c_pl330_rq0(void *token, enum pl330_op_err err) -{ - struct pl330_req *r = token; - struct s3c_pl330_chan *ch = container_of(r, - struct s3c_pl330_chan, req[0]); - s3c_pl330_rq(ch, r, err); -} - -static void s3c_pl330_rq1(void *token, enum pl330_op_err err) -{ - struct pl330_req *r = token; - struct s3c_pl330_chan *ch = container_of(r, - struct s3c_pl330_chan, req[1]); - s3c_pl330_rq(ch, r, err); -} - -/* Release an acquired channel */ -static void chan_release(struct s3c_pl330_chan *ch) -{ - struct s3c_pl330_dmac *dmac; - - if (chan_free(ch)) - return; - - dmac = ch->dmac; - ch->dmac = NULL; - dmac->busy_chan--; -} - -int s3c2410_dma_ctrl(enum dma_ch id, enum s3c2410_chan_op op) -{ - struct s3c_pl330_xfer *xfer; - enum pl330_chan_op pl330op; - struct s3c_pl330_chan *ch; - unsigned long flags; - int idx, ret; - - spin_lock_irqsave(&res_lock, flags); - - ch = id_to_chan(id); - - if (!ch || chan_free(ch)) { - ret = -EINVAL; - goto ctrl_exit; - } - - switch (op) { - case S3C2410_DMAOP_START: - /* Make sure both reqs are enqueued */ - idx = (ch->lrq == &ch->req[0]) ? 1 : 0; - s3c_pl330_submit(ch, &ch->req[idx]); - s3c_pl330_submit(ch, &ch->req[1 - idx]); - pl330op = PL330_OP_START; - break; - - case S3C2410_DMAOP_STOP: - pl330op = PL330_OP_ABORT; - break; - - case S3C2410_DMAOP_FLUSH: - pl330op = PL330_OP_FLUSH; - break; - - case S3C2410_DMAOP_PAUSE: - case S3C2410_DMAOP_RESUME: - case S3C2410_DMAOP_TIMEOUT: - case S3C2410_DMAOP_STARTED: - spin_unlock_irqrestore(&res_lock, flags); - return 0; - - default: - spin_unlock_irqrestore(&res_lock, flags); - return -EINVAL; - } - - ret = pl330_chan_ctrl(ch->pl330_chan_id, pl330op); - - if (pl330op == PL330_OP_START) { - spin_unlock_irqrestore(&res_lock, flags); - return ret; - } - - idx = (ch->lrq == &ch->req[0]) ? 1 : 0; - - /* Abort the current xfer */ - if (ch->req[idx].x) { - xfer = container_of(ch->req[idx].x, - struct s3c_pl330_xfer, px); - - /* Drop xfer during FLUSH */ - if (pl330op == PL330_OP_FLUSH) - del_from_queue(xfer); - - ch->req[idx].x = NULL; - - spin_unlock_irqrestore(&res_lock, flags); - _finish_off(xfer, S3C2410_RES_ABORT, - pl330op == PL330_OP_FLUSH ? 1 : 0); - spin_lock_irqsave(&res_lock, flags); - } - - /* Flush the whole queue */ - if (pl330op == PL330_OP_FLUSH) { - - if (ch->req[1 - idx].x) { - xfer = container_of(ch->req[1 - idx].x, - struct s3c_pl330_xfer, px); - - del_from_queue(xfer); - - ch->req[1 - idx].x = NULL; - - spin_unlock_irqrestore(&res_lock, flags); - _finish_off(xfer, S3C2410_RES_ABORT, 1); - spin_lock_irqsave(&res_lock, flags); - } - - /* Finish off the remaining in the queue */ - xfer = ch->xfer_head; - while (xfer) { - - del_from_queue(xfer); - - spin_unlock_irqrestore(&res_lock, flags); - _finish_off(xfer, S3C2410_RES_ABORT, 1); - spin_lock_irqsave(&res_lock, flags); - - xfer = ch->xfer_head; - } - } - -ctrl_exit: - spin_unlock_irqrestore(&res_lock, flags); - - return ret; -} -EXPORT_SYMBOL(s3c2410_dma_ctrl); - -int s3c2410_dma_enqueue(enum dma_ch id, void *token, - dma_addr_t addr, int size) -{ - struct s3c_pl330_chan *ch; - struct s3c_pl330_xfer *xfer; - unsigned long flags; - int idx, ret = 0; - - spin_lock_irqsave(&res_lock, flags); - - ch = id_to_chan(id); - - /* Error if invalid or free channel */ - if (!ch || chan_free(ch)) { - ret = -EINVAL; - goto enq_exit; - } - - /* Error if size is unaligned */ - if (ch->rqcfg.brst_size && size % (1 << ch->rqcfg.brst_size)) { - ret = -EINVAL; - goto enq_exit; - } - - xfer = kmem_cache_alloc(ch->dmac->kmcache, GFP_ATOMIC); - if (!xfer) { - ret = -ENOMEM; - goto enq_exit; - } - - xfer->token = token; - xfer->chan = ch; - xfer->px.bytes = size; - xfer->px.next = NULL; /* Single request */ - - /* For S3C DMA API, direction is always fixed for all xfers */ - if (ch->req[0].rqtype == MEMTODEV) { - xfer->px.src_addr = addr; - xfer->px.dst_addr = ch->sdaddr; - } else { - xfer->px.src_addr = ch->sdaddr; - xfer->px.dst_addr = addr; - } - - add_to_queue(ch, xfer, 0); - - /* Try submitting on either request */ - idx = (ch->lrq == &ch->req[0]) ? 1 : 0; - - if (!ch->req[idx].x) - s3c_pl330_submit(ch, &ch->req[idx]); - else - s3c_pl330_submit(ch, &ch->req[1 - idx]); - - spin_unlock_irqrestore(&res_lock, flags); - - if (ch->options & S3C2410_DMAF_AUTOSTART) - s3c2410_dma_ctrl(id, S3C2410_DMAOP_START); - - return 0; - -enq_exit: - spin_unlock_irqrestore(&res_lock, flags); - - return ret; -} -EXPORT_SYMBOL(s3c2410_dma_enqueue); - -int s3c2410_dma_request(enum dma_ch id, - struct s3c2410_dma_client *client, - void *dev) -{ - struct s3c_pl330_dmac *dmac; - struct s3c_pl330_chan *ch; - unsigned long flags; - int ret = 0; - - spin_lock_irqsave(&res_lock, flags); - - ch = chan_acquire(id); - if (!ch) { - ret = -EBUSY; - goto req_exit; - } - - dmac = ch->dmac; - - ch->pl330_chan_id = pl330_request_channel(dmac->pi); - if (!ch->pl330_chan_id) { - chan_release(ch); - ret = -EBUSY; - goto req_exit; - } - - ch->client = client; - ch->options = 0; /* Clear any option */ - ch->callback_fn = NULL; /* Clear any callback */ - ch->lrq = NULL; - - ch->rqcfg.brst_size = 2; /* Default word size */ - ch->rqcfg.swap = SWAP_NO; - ch->rqcfg.scctl = SCCTRL0; /* Noncacheable and nonbufferable */ - ch->rqcfg.dcctl = DCCTRL0; /* Noncacheable and nonbufferable */ - ch->rqcfg.privileged = 0; - ch->rqcfg.insnaccess = 0; - - /* Set invalid direction */ - ch->req[0].rqtype = DEVTODEV; - ch->req[1].rqtype = ch->req[0].rqtype; - - ch->req[0].cfg = &ch->rqcfg; - ch->req[1].cfg = ch->req[0].cfg; - - ch->req[0].peri = iface_of_dmac(dmac, id) - 1; /* Original index */ - ch->req[1].peri = ch->req[0].peri; - - ch->req[0].token = &ch->req[0]; - ch->req[0].xfer_cb = s3c_pl330_rq0; - ch->req[1].token = &ch->req[1]; - ch->req[1].xfer_cb = s3c_pl330_rq1; - - ch->req[0].x = NULL; - ch->req[1].x = NULL; - - /* Reset xfer list */ - INIT_LIST_HEAD(&ch->xfer_list); - ch->xfer_head = NULL; - -req_exit: - spin_unlock_irqrestore(&res_lock, flags); - - return ret; -} -EXPORT_SYMBOL(s3c2410_dma_request); - -int s3c2410_dma_free(enum dma_ch id, struct s3c2410_dma_client *client) -{ - struct s3c_pl330_chan *ch; - struct s3c_pl330_xfer *xfer; - unsigned long flags; - int ret = 0; - unsigned idx; - - spin_lock_irqsave(&res_lock, flags); - - ch = id_to_chan(id); - - if (!ch || chan_free(ch)) - goto free_exit; - - /* Refuse if someone else wanted to free the channel */ - if (ch->client != client) { - ret = -EBUSY; - goto free_exit; - } - - /* Stop any active xfer, Flushe the queue and do callbacks */ - pl330_chan_ctrl(ch->pl330_chan_id, PL330_OP_FLUSH); - - /* Abort the submitted requests */ - idx = (ch->lrq == &ch->req[0]) ? 1 : 0; - - if (ch->req[idx].x) { - xfer = container_of(ch->req[idx].x, - struct s3c_pl330_xfer, px); - - ch->req[idx].x = NULL; - del_from_queue(xfer); - - spin_unlock_irqrestore(&res_lock, flags); - _finish_off(xfer, S3C2410_RES_ABORT, 1); - spin_lock_irqsave(&res_lock, flags); - } - - if (ch->req[1 - idx].x) { - xfer = container_of(ch->req[1 - idx].x, - struct s3c_pl330_xfer, px); - - ch->req[1 - idx].x = NULL; - del_from_queue(xfer); - - spin_unlock_irqrestore(&res_lock, flags); - _finish_off(xfer, S3C2410_RES_ABORT, 1); - spin_lock_irqsave(&res_lock, flags); - } - - /* Pluck and Abort the queued requests in order */ - do { - xfer = get_from_queue(ch, 1); - - spin_unlock_irqrestore(&res_lock, flags); - _finish_off(xfer, S3C2410_RES_ABORT, 1); - spin_lock_irqsave(&res_lock, flags); - } while (xfer); - - ch->client = NULL; - - pl330_release_channel(ch->pl330_chan_id); - - ch->pl330_chan_id = NULL; - - chan_release(ch); - -free_exit: - spin_unlock_irqrestore(&res_lock, flags); - - return ret; -} -EXPORT_SYMBOL(s3c2410_dma_free); - -int s3c2410_dma_config(enum dma_ch id, int xferunit) -{ - struct s3c_pl330_chan *ch; - struct pl330_info *pi; - unsigned long flags; - int i, dbwidth, ret = 0; - - spin_lock_irqsave(&res_lock, flags); - - ch = id_to_chan(id); - - if (!ch || chan_free(ch)) { - ret = -EINVAL; - goto cfg_exit; - } - - pi = ch->dmac->pi; - dbwidth = pi->pcfg.data_bus_width / 8; - - /* Max size of xfer can be pcfg.data_bus_width */ - if (xferunit > dbwidth) { - ret = -EINVAL; - goto cfg_exit; - } - - i = 0; - while (xferunit != (1 << i)) - i++; - - /* If valid value */ - if (xferunit == (1 << i)) - ch->rqcfg.brst_size = i; - else - ret = -EINVAL; - -cfg_exit: - spin_unlock_irqrestore(&res_lock, flags); - - return ret; -} -EXPORT_SYMBOL(s3c2410_dma_config); - -/* Options that are supported by this driver */ -#define S3C_PL330_FLAGS (S3C2410_DMAF_CIRCULAR | S3C2410_DMAF_AUTOSTART) - -int s3c2410_dma_setflags(enum dma_ch id, unsigned int options) -{ - struct s3c_pl330_chan *ch; - unsigned long flags; - int ret = 0; - - spin_lock_irqsave(&res_lock, flags); - - ch = id_to_chan(id); - - if (!ch || chan_free(ch) || options & ~(S3C_PL330_FLAGS)) - ret = -EINVAL; - else - ch->options = options; - - spin_unlock_irqrestore(&res_lock, flags); - - return 0; -} -EXPORT_SYMBOL(s3c2410_dma_setflags); - -int s3c2410_dma_set_buffdone_fn(enum dma_ch id, s3c2410_dma_cbfn_t rtn) -{ - struct s3c_pl330_chan *ch; - unsigned long flags; - int ret = 0; - - spin_lock_irqsave(&res_lock, flags); - - ch = id_to_chan(id); - - if (!ch || chan_free(ch)) - ret = -EINVAL; - else - ch->callback_fn = rtn; - - spin_unlock_irqrestore(&res_lock, flags); - - return ret; -} -EXPORT_SYMBOL(s3c2410_dma_set_buffdone_fn); - -int s3c2410_dma_devconfig(enum dma_ch id, enum s3c2410_dmasrc source, - unsigned long address) -{ - struct s3c_pl330_chan *ch; - unsigned long flags; - int ret = 0; - - spin_lock_irqsave(&res_lock, flags); - - ch = id_to_chan(id); - - if (!ch || chan_free(ch)) { - ret = -EINVAL; - goto devcfg_exit; - } - - switch (source) { - case S3C2410_DMASRC_HW: /* P->M */ - ch->req[0].rqtype = DEVTOMEM; - ch->req[1].rqtype = DEVTOMEM; - ch->rqcfg.src_inc = 0; - ch->rqcfg.dst_inc = 1; - break; - case S3C2410_DMASRC_MEM: /* M->P */ - ch->req[0].rqtype = MEMTODEV; - ch->req[1].rqtype = MEMTODEV; - ch->rqcfg.src_inc = 1; - ch->rqcfg.dst_inc = 0; - break; - default: - ret = -EINVAL; - goto devcfg_exit; - } - - ch->sdaddr = address; - -devcfg_exit: - spin_unlock_irqrestore(&res_lock, flags); - - return ret; -} -EXPORT_SYMBOL(s3c2410_dma_devconfig); - -int s3c2410_dma_getposition(enum dma_ch id, dma_addr_t *src, dma_addr_t *dst) -{ - struct s3c_pl330_chan *ch = id_to_chan(id); - struct pl330_chanstatus status; - int ret; - - if (!ch || chan_free(ch)) - return -EINVAL; - - ret = pl330_chan_status(ch->pl330_chan_id, &status); - if (ret < 0) - return ret; - - *src = status.src_addr; - *dst = status.dst_addr; - - return 0; -} -EXPORT_SYMBOL(s3c2410_dma_getposition); - -static irqreturn_t pl330_irq_handler(int irq, void *data) -{ - if (pl330_update(data)) - return IRQ_HANDLED; - else - return IRQ_NONE; -} - -static int pl330_probe(struct platform_device *pdev) -{ - struct s3c_pl330_dmac *s3c_pl330_dmac; - struct s3c_pl330_platdata *pl330pd; - struct pl330_info *pl330_info; - struct resource *res; - int i, ret, irq; - - pl330pd = pdev->dev.platform_data; - - /* Can't do without the list of _32_ peripherals */ - if (!pl330pd || !pl330pd->peri) { - dev_err(&pdev->dev, "platform data missing!\n"); - return -ENODEV; - } - - pl330_info = kzalloc(sizeof(*pl330_info), GFP_KERNEL); - if (!pl330_info) - return -ENOMEM; - - pl330_info->pl330_data = NULL; - pl330_info->dev = &pdev->dev; - - res = platform_get_resource(pdev, IORESOURCE_MEM, 0); - if (!res) { - ret = -ENODEV; - goto probe_err1; - } - - request_mem_region(res->start, resource_size(res), pdev->name); - - pl330_info->base = ioremap(res->start, resource_size(res)); - if (!pl330_info->base) { - ret = -ENXIO; - goto probe_err2; - } - - irq = platform_get_irq(pdev, 0); - if (irq < 0) { - ret = irq; - goto probe_err3; - } - - ret = request_irq(irq, pl330_irq_handler, 0, - dev_name(&pdev->dev), pl330_info); - if (ret) - goto probe_err4; - - /* Allocate a new DMAC */ - s3c_pl330_dmac = kmalloc(sizeof(*s3c_pl330_dmac), GFP_KERNEL); - if (!s3c_pl330_dmac) { - ret = -ENOMEM; - goto probe_err5; - } - - /* Get operation clock and enable it */ - s3c_pl330_dmac->clk = clk_get(&pdev->dev, "pdma"); - if (IS_ERR(s3c_pl330_dmac->clk)) { - dev_err(&pdev->dev, "Cannot get operation clock.\n"); - ret = -EINVAL; - goto probe_err6; - } - clk_enable(s3c_pl330_dmac->clk); - - ret = pl330_add(pl330_info); - if (ret) - goto probe_err7; - - /* Hook the info */ - s3c_pl330_dmac->pi = pl330_info; - - /* No busy channels */ - s3c_pl330_dmac->busy_chan = 0; - - s3c_pl330_dmac->kmcache = kmem_cache_create(dev_name(&pdev->dev), - sizeof(struct s3c_pl330_xfer), 0, 0, NULL); - - if (!s3c_pl330_dmac->kmcache) { - ret = -ENOMEM; - goto probe_err8; - } - - /* Get the list of peripherals */ - s3c_pl330_dmac->peri = pl330pd->peri; - - /* Attach to the list of DMACs */ - list_add_tail(&s3c_pl330_dmac->node, &dmac_list); - - /* Create a channel for each peripheral in the DMAC - * that is, if it doesn't already exist - */ - for (i = 0; i < PL330_MAX_PERI; i++) - if (s3c_pl330_dmac->peri[i] != DMACH_MAX) - chan_add(s3c_pl330_dmac->peri[i]); - - printk(KERN_INFO - "Loaded driver for PL330 DMAC-%d %s\n", pdev->id, pdev->name); - printk(KERN_INFO - "\tDBUFF-%ux%ubytes Num_Chans-%u Num_Peri-%u Num_Events-%u\n", - pl330_info->pcfg.data_buf_dep, - pl330_info->pcfg.data_bus_width / 8, pl330_info->pcfg.num_chan, - pl330_info->pcfg.num_peri, pl330_info->pcfg.num_events); - - return 0; - -probe_err8: - pl330_del(pl330_info); -probe_err7: - clk_disable(s3c_pl330_dmac->clk); - clk_put(s3c_pl330_dmac->clk); -probe_err6: - kfree(s3c_pl330_dmac); -probe_err5: - free_irq(irq, pl330_info); -probe_err4: -probe_err3: - iounmap(pl330_info->base); -probe_err2: - release_mem_region(res->start, resource_size(res)); -probe_err1: - kfree(pl330_info); - - return ret; -} - -static int pl330_remove(struct platform_device *pdev) -{ - struct s3c_pl330_dmac *dmac, *d; - struct s3c_pl330_chan *ch; - unsigned long flags; - int del, found; - - if (!pdev->dev.platform_data) - return -EINVAL; - - spin_lock_irqsave(&res_lock, flags); - - found = 0; - list_for_each_entry(d, &dmac_list, node) - if (d->pi->dev == &pdev->dev) { - found = 1; - break; - } - - if (!found) { - spin_unlock_irqrestore(&res_lock, flags); - return 0; - } - - dmac = d; - - /* Remove all Channels that are managed only by this DMAC */ - list_for_each_entry(ch, &chan_list, node) { - - /* Only channels that are handled by this DMAC */ - if (iface_of_dmac(dmac, ch->id)) - del = 1; - else - continue; - - /* Don't remove if some other DMAC has it too */ - list_for_each_entry(d, &dmac_list, node) - if (d != dmac && iface_of_dmac(d, ch->id)) { - del = 0; - break; - } - - if (del) { - spin_unlock_irqrestore(&res_lock, flags); - s3c2410_dma_free(ch->id, ch->client); - spin_lock_irqsave(&res_lock, flags); - list_del(&ch->node); - kfree(ch); - } - } - - /* Disable operation clock */ - clk_disable(dmac->clk); - clk_put(dmac->clk); - - /* Remove the DMAC */ - list_del(&dmac->node); - kfree(dmac); - - spin_unlock_irqrestore(&res_lock, flags); - - return 0; -} - -static struct platform_driver pl330_driver = { - .driver = { - .owner = THIS_MODULE, - .name = "s3c-pl330", - }, - .probe = pl330_probe, - .remove = pl330_remove, -}; - -static int __init pl330_init(void) -{ - return platform_driver_register(&pl330_driver); -} -module_init(pl330_init); - -static void __exit pl330_exit(void) -{ - platform_driver_unregister(&pl330_driver); - return; -} -module_exit(pl330_exit); - -MODULE_AUTHOR("Jaswinder Singh <jassi.brar@samsung.com>"); -MODULE_DESCRIPTION("Driver for PL330 DMA Controller"); -MODULE_LICENSE("GPL"); diff --git a/arch/s390/include/asm/pgtable.h b/arch/s390/include/asm/pgtable.h index 519eb5f187ef..c0cb794bb365 100644 --- a/arch/s390/include/asm/pgtable.h +++ b/arch/s390/include/asm/pgtable.h @@ -658,12 +658,14 @@ static inline void pgste_set_pte(pte_t *ptep, pgste_t pgste) * struct gmap_struct - guest address space * @mm: pointer to the parent mm_struct * @table: pointer to the page directory + * @asce: address space control element for gmap page table * @crst_list: list of all crst tables used in the guest address space */ struct gmap { struct list_head list; struct mm_struct *mm; unsigned long *table; + unsigned long asce; struct list_head crst_list; }; diff --git a/arch/s390/kernel/asm-offsets.c b/arch/s390/kernel/asm-offsets.c index 532fd4322156..2b45591e1582 100644 --- a/arch/s390/kernel/asm-offsets.c +++ b/arch/s390/kernel/asm-offsets.c @@ -10,6 +10,7 @@ #include <linux/sched.h> #include <asm/vdso.h> #include <asm/sigp.h> +#include <asm/pgtable.h> /* * Make sure that the compiler is new enough. We want a compiler that @@ -126,6 +127,7 @@ int main(void) DEFINE(__LC_KERNEL_STACK, offsetof(struct _lowcore, kernel_stack)); DEFINE(__LC_ASYNC_STACK, offsetof(struct _lowcore, async_stack)); DEFINE(__LC_PANIC_STACK, offsetof(struct _lowcore, panic_stack)); + DEFINE(__LC_USER_ASCE, offsetof(struct _lowcore, user_asce)); DEFINE(__LC_INT_CLOCK, offsetof(struct _lowcore, int_clock)); DEFINE(__LC_MCCK_CLOCK, offsetof(struct _lowcore, mcck_clock)); DEFINE(__LC_MACHINE_FLAGS, offsetof(struct _lowcore, machine_flags)); @@ -151,6 +153,7 @@ int main(void) DEFINE(__LC_VDSO_PER_CPU, offsetof(struct _lowcore, vdso_per_cpu_data)); DEFINE(__LC_GMAP, offsetof(struct _lowcore, gmap)); DEFINE(__LC_CMF_HPP, offsetof(struct _lowcore, cmf_hpp)); + DEFINE(__GMAP_ASCE, offsetof(struct gmap, asce)); #endif /* CONFIG_32BIT */ return 0; } diff --git a/arch/s390/kernel/entry64.S b/arch/s390/kernel/entry64.S index 5f729d627cef..713da0760538 100644 --- a/arch/s390/kernel/entry64.S +++ b/arch/s390/kernel/entry64.S @@ -1076,6 +1076,11 @@ sie_loop: lg %r14,__LC_THREAD_INFO # pointer thread_info struct tm __TI_flags+7(%r14),_TIF_EXIT_SIE jnz sie_exit + lg %r14,__LC_GMAP # get gmap pointer + ltgr %r14,%r14 + jz sie_gmap + lctlg %c1,%c1,__GMAP_ASCE(%r14) # load primary asce +sie_gmap: lg %r14,__SF_EMPTY(%r15) # get control block pointer SPP __SF_EMPTY(%r15) # set guest id sie 0(%r14) @@ -1083,6 +1088,7 @@ sie_done: SPP __LC_CMF_HPP # set host id lg %r14,__LC_THREAD_INFO # pointer thread_info struct sie_exit: + lctlg %c1,%c1,__LC_USER_ASCE # load primary asce ni __TI_flags+6(%r14),255-(_TIF_SIE>>8) lg %r14,__SF_EMPTY+8(%r15) # load guest register save area stmg %r0,%r13,0(%r14) # save guest gprs 0-13 diff --git a/arch/s390/kvm/kvm-s390.c b/arch/s390/kvm/kvm-s390.c index f17296e4fc89..dc2b580e27bc 100644 --- a/arch/s390/kvm/kvm-s390.c +++ b/arch/s390/kvm/kvm-s390.c @@ -123,6 +123,7 @@ int kvm_dev_ioctl_check_extension(long ext) switch (ext) { case KVM_CAP_S390_PSW: + case KVM_CAP_S390_GMAP: r = 1; break; default: @@ -263,10 +264,12 @@ void kvm_arch_vcpu_load(struct kvm_vcpu *vcpu, int cpu) vcpu->arch.guest_fpregs.fpc &= FPC_VALID_MASK; restore_fp_regs(&vcpu->arch.guest_fpregs); restore_access_regs(vcpu->arch.guest_acrs); + gmap_enable(vcpu->arch.gmap); } void kvm_arch_vcpu_put(struct kvm_vcpu *vcpu) { + gmap_disable(vcpu->arch.gmap); save_fp_regs(&vcpu->arch.guest_fpregs); save_access_regs(vcpu->arch.guest_acrs); restore_fp_regs(&vcpu->arch.host_fpregs); @@ -461,7 +464,6 @@ static void __vcpu_run(struct kvm_vcpu *vcpu) local_irq_disable(); kvm_guest_enter(); local_irq_enable(); - gmap_enable(vcpu->arch.gmap); VCPU_EVENT(vcpu, 6, "entering sie flags %x", atomic_read(&vcpu->arch.sie_block->cpuflags)); if (sie64a(vcpu->arch.sie_block, vcpu->arch.guest_gprs)) { @@ -470,7 +472,6 @@ static void __vcpu_run(struct kvm_vcpu *vcpu) } VCPU_EVENT(vcpu, 6, "exit sie icptcode %d", vcpu->arch.sie_block->icptcode); - gmap_disable(vcpu->arch.gmap); local_irq_disable(); kvm_guest_exit(); local_irq_enable(); diff --git a/arch/s390/mm/pgtable.c b/arch/s390/mm/pgtable.c index 4d1f2bce87b3..f69ff3c13496 100644 --- a/arch/s390/mm/pgtable.c +++ b/arch/s390/mm/pgtable.c @@ -160,6 +160,8 @@ struct gmap *gmap_alloc(struct mm_struct *mm) table = (unsigned long *) page_to_phys(page); crst_table_init(table, _REGION1_ENTRY_EMPTY); gmap->table = table; + gmap->asce = _ASCE_TYPE_REGION1 | _ASCE_TABLE_LENGTH | + _ASCE_USER_BITS | __pa(table); list_add(&gmap->list, &mm->context.gmap_list); return gmap; @@ -240,10 +242,6 @@ EXPORT_SYMBOL_GPL(gmap_free); */ void gmap_enable(struct gmap *gmap) { - /* Load primary space page table origin. */ - S390_lowcore.user_asce = _ASCE_TYPE_REGION1 | _ASCE_TABLE_LENGTH | - _ASCE_USER_BITS | __pa(gmap->table); - asm volatile("lctlg 1,1,%0\n" : : "m" (S390_lowcore.user_asce) ); S390_lowcore.gmap = (unsigned long) gmap; } EXPORT_SYMBOL_GPL(gmap_enable); @@ -254,10 +252,6 @@ EXPORT_SYMBOL_GPL(gmap_enable); */ void gmap_disable(struct gmap *gmap) { - /* Load primary space page table origin. */ - S390_lowcore.user_asce = - gmap->mm->context.asce_bits | __pa(gmap->mm->pgd); - asm volatile("lctlg 1,1,%0\n" : : "m" (S390_lowcore.user_asce) ); S390_lowcore.gmap = 0UL; } EXPORT_SYMBOL_GPL(gmap_disable); diff --git a/arch/um/Kconfig.x86 b/arch/um/Kconfig.x86 index d31ecf346b4e..21bebe63df66 100644 --- a/arch/um/Kconfig.x86 +++ b/arch/um/Kconfig.x86 @@ -10,6 +10,10 @@ config CMPXCHG_LOCAL bool default n +config CMPXCHG_DOUBLE + bool + default n + source "arch/x86/Kconfig.cpu" endmenu diff --git a/arch/um/Makefile b/arch/um/Makefile index fab8121d2b32..c0f712cc7c5f 100644 --- a/arch/um/Makefile +++ b/arch/um/Makefile @@ -41,7 +41,7 @@ KBUILD_CPPFLAGS += -I$(srctree)/$(ARCH_DIR)/sys-$(SUBARCH) KBUILD_CFLAGS += $(CFLAGS) $(CFLAGS-y) -D__arch_um__ -DSUBARCH=\"$(SUBARCH)\" \ $(ARCH_INCLUDE) $(MODE_INCLUDE) -Dvmap=kernel_vmap \ -Din6addr_loopback=kernel_in6addr_loopback \ - -Din6addr_any=kernel_in6addr_any + -Din6addr_any=kernel_in6addr_any -Dstrrchr=kernel_strrchr KBUILD_AFLAGS += $(ARCH_INCLUDE) diff --git a/arch/um/drivers/line.c b/arch/um/drivers/line.c index d51c404239a8..364c8a15c4c3 100644 --- a/arch/um/drivers/line.c +++ b/arch/um/drivers/line.c @@ -399,8 +399,8 @@ int line_setup_irq(int fd, int input, int output, struct line *line, void *data) * is done under a spinlock. Checking whether the device is in use is * line->tty->count > 1, also under the spinlock. * - * tty->count serves to decide whether the device should be enabled or - * disabled on the host. If it's equal to 1, then we are doing the + * line->count serves to decide whether the device should be enabled or + * disabled on the host. If it's equal to 0, then we are doing the * first open or last close. Otherwise, open and close just return. */ @@ -414,16 +414,16 @@ int line_open(struct line *lines, struct tty_struct *tty) goto out_unlock; err = 0; - if (tty->count > 1) + if (line->count++) goto out_unlock; - spin_unlock(&line->count_lock); - + BUG_ON(tty->driver_data); tty->driver_data = line; line->tty = tty; + spin_unlock(&line->count_lock); err = enable_chan(line); - if (err) + if (err) /* line_close() will be called by our caller */ return err; INIT_DELAYED_WORK(&line->task, line_timer_cb); @@ -436,7 +436,7 @@ int line_open(struct line *lines, struct tty_struct *tty) chan_window_size(&line->chan_list, &tty->winsize.ws_row, &tty->winsize.ws_col); - return err; + return 0; out_unlock: spin_unlock(&line->count_lock); @@ -460,17 +460,16 @@ void line_close(struct tty_struct *tty, struct file * filp) flush_buffer(line); spin_lock(&line->count_lock); - if (!line->valid) - goto out_unlock; + BUG_ON(!line->valid); - if (tty->count > 1) + if (--line->count) goto out_unlock; - spin_unlock(&line->count_lock); - line->tty = NULL; tty->driver_data = NULL; + spin_unlock(&line->count_lock); + if (line->sigio) { unregister_winch(tty); line->sigio = 0; @@ -498,7 +497,7 @@ static int setup_one_line(struct line *lines, int n, char *init, int init_prio, spin_lock(&line->count_lock); - if (line->tty != NULL) { + if (line->count) { *error_out = "Device is already open"; goto out; } @@ -722,41 +721,53 @@ struct winch { int pid; struct tty_struct *tty; unsigned long stack; + struct work_struct work; }; -static void free_winch(struct winch *winch, int free_irq_ok) +static void __free_winch(struct work_struct *work) { - if (free_irq_ok) - free_irq(WINCH_IRQ, winch); - - list_del(&winch->list); + struct winch *winch = container_of(work, struct winch, work); + free_irq(WINCH_IRQ, winch); if (winch->pid != -1) os_kill_process(winch->pid, 1); - if (winch->fd != -1) - os_close_file(winch->fd); if (winch->stack != 0) free_stack(winch->stack, 0); kfree(winch); } +static void free_winch(struct winch *winch) +{ + int fd = winch->fd; + winch->fd = -1; + if (fd != -1) + os_close_file(fd); + list_del(&winch->list); + __free_winch(&winch->work); +} + static irqreturn_t winch_interrupt(int irq, void *data) { struct winch *winch = data; struct tty_struct *tty; struct line *line; + int fd = winch->fd; int err; char c; - if (winch->fd != -1) { - err = generic_read(winch->fd, &c, NULL); + if (fd != -1) { + err = generic_read(fd, &c, NULL); if (err < 0) { if (err != -EAGAIN) { + winch->fd = -1; + list_del(&winch->list); + os_close_file(fd); printk(KERN_ERR "winch_interrupt : " "read failed, errno = %d\n", -err); printk(KERN_ERR "fd %d is losing SIGWINCH " "support\n", winch->tty_fd); - free_winch(winch, 0); + INIT_WORK(&winch->work, __free_winch); + schedule_work(&winch->work); return IRQ_HANDLED; } goto out; @@ -828,7 +839,7 @@ static void unregister_winch(struct tty_struct *tty) list_for_each_safe(ele, next, &winch_handlers) { winch = list_entry(ele, struct winch, list); if (winch->tty == tty) { - free_winch(winch, 1); + free_winch(winch); break; } } @@ -844,7 +855,7 @@ static void winch_cleanup(void) list_for_each_safe(ele, next, &winch_handlers) { winch = list_entry(ele, struct winch, list); - free_winch(winch, 1); + free_winch(winch); } spin_unlock(&winch_handler_lock); diff --git a/arch/um/drivers/xterm.c b/arch/um/drivers/xterm.c index 8ac7146c237f..2e1de5728604 100644 --- a/arch/um/drivers/xterm.c +++ b/arch/um/drivers/xterm.c @@ -123,6 +123,7 @@ static int xterm_open(int input, int output, int primary, void *d, err = -errno; printk(UM_KERN_ERR "xterm_open : unlink failed, errno = %d\n", errno); + close(fd); return err; } close(fd); diff --git a/arch/um/include/asm/ptrace-generic.h b/arch/um/include/asm/ptrace-generic.h index ae084ad1a3a0..1a7d2757fe05 100644 --- a/arch/um/include/asm/ptrace-generic.h +++ b/arch/um/include/asm/ptrace-generic.h @@ -42,10 +42,6 @@ extern long subarch_ptrace(struct task_struct *child, long request, unsigned long addr, unsigned long data); extern unsigned long getreg(struct task_struct *child, int regno); extern int putreg(struct task_struct *child, int regno, unsigned long value); -extern int get_fpregs(struct user_i387_struct __user *buf, - struct task_struct *child); -extern int set_fpregs(struct user_i387_struct __user *buf, - struct task_struct *child); extern int arch_copy_tls(struct task_struct *new); extern void clear_flushed_tls(struct task_struct *task); diff --git a/arch/um/include/shared/line.h b/arch/um/include/shared/line.h index 72f4f25af247..63df3ca02ac2 100644 --- a/arch/um/include/shared/line.h +++ b/arch/um/include/shared/line.h @@ -33,6 +33,7 @@ struct line_driver { struct line { struct tty_struct *tty; spinlock_t count_lock; + unsigned long count; int valid; char *init_str; diff --git a/arch/um/include/shared/registers.h b/arch/um/include/shared/registers.h index b0b4589e0ebc..f1e0aa56c52a 100644 --- a/arch/um/include/shared/registers.h +++ b/arch/um/include/shared/registers.h @@ -16,7 +16,7 @@ extern int restore_fpx_registers(int pid, unsigned long *fp_regs); extern int save_registers(int pid, struct uml_pt_regs *regs); extern int restore_registers(int pid, struct uml_pt_regs *regs); extern int init_registers(int pid); -extern void get_safe_registers(unsigned long *regs); +extern void get_safe_registers(unsigned long *regs, unsigned long *fp_regs); extern unsigned long get_thread_reg(int reg, jmp_buf *buf); extern int get_fp_registers(int pid, unsigned long *regs); extern int put_fp_registers(int pid, unsigned long *regs); diff --git a/arch/um/kernel/process.c b/arch/um/kernel/process.c index fab4371184f6..21c1ae7c3d75 100644 --- a/arch/um/kernel/process.c +++ b/arch/um/kernel/process.c @@ -202,7 +202,7 @@ int copy_thread(unsigned long clone_flags, unsigned long sp, arch_copy_thread(¤t->thread.arch, &p->thread.arch); } else { - get_safe_registers(p->thread.regs.regs.gp); + get_safe_registers(p->thread.regs.regs.gp, p->thread.regs.regs.fp); p->thread.request.u.thread = current->thread.request.u.thread; handler = new_thread_handler; } diff --git a/arch/um/kernel/ptrace.c b/arch/um/kernel/ptrace.c index 701b672c1122..c9da32b0c707 100644 --- a/arch/um/kernel/ptrace.c +++ b/arch/um/kernel/ptrace.c @@ -50,23 +50,11 @@ long arch_ptrace(struct task_struct *child, long request, void __user *vp = p; switch (request) { - /* read word at location addr. */ - case PTRACE_PEEKTEXT: - case PTRACE_PEEKDATA: - ret = generic_ptrace_peekdata(child, addr, data); - break; - /* read the word at location addr in the USER area. */ case PTRACE_PEEKUSR: ret = peek_user(child, addr, data); break; - /* write the word at location addr. */ - case PTRACE_POKETEXT: - case PTRACE_POKEDATA: - ret = generic_ptrace_pokedata(child, addr, data); - break; - /* write the word at location addr in the USER area */ case PTRACE_POKEUSR: ret = poke_user(child, addr, data); @@ -107,16 +95,6 @@ long arch_ptrace(struct task_struct *child, long request, break; } #endif -#ifdef PTRACE_GETFPREGS - case PTRACE_GETFPREGS: /* Get the child FPU state. */ - ret = get_fpregs(vp, child); - break; -#endif -#ifdef PTRACE_SETFPREGS - case PTRACE_SETFPREGS: /* Set the child FPU state. */ - ret = set_fpregs(vp, child); - break; -#endif case PTRACE_GET_THREAD_AREA: ret = ptrace_get_thread_area(child, addr, vp); break; @@ -154,12 +132,6 @@ long arch_ptrace(struct task_struct *child, long request, break; } #endif -#ifdef PTRACE_ARCH_PRCTL - case PTRACE_ARCH_PRCTL: - /* XXX Calls ptrace on the host - needs some SMP thinking */ - ret = arch_prctl(child, data, (void __user *) addr); - break; -#endif default: ret = ptrace_request(child, request, addr, data); if (ret == -EIO) diff --git a/arch/um/os-Linux/registers.c b/arch/um/os-Linux/registers.c index 830fe6a1518a..b866b9e3bef9 100644 --- a/arch/um/os-Linux/registers.c +++ b/arch/um/os-Linux/registers.c @@ -8,6 +8,8 @@ #include <string.h> #include <sys/ptrace.h> #include "sysdep/ptrace.h" +#include "sysdep/ptrace_user.h" +#include "registers.h" int save_registers(int pid, struct uml_pt_regs *regs) { @@ -32,6 +34,7 @@ int restore_registers(int pid, struct uml_pt_regs *regs) /* This is set once at boot time and not changed thereafter */ static unsigned long exec_regs[MAX_REG_NR]; +static unsigned long exec_fp_regs[FP_SIZE]; int init_registers(int pid) { @@ -42,10 +45,14 @@ int init_registers(int pid) return -errno; arch_init_registers(pid); + get_fp_registers(pid, exec_fp_regs); return 0; } -void get_safe_registers(unsigned long *regs) +void get_safe_registers(unsigned long *regs, unsigned long *fp_regs) { memcpy(regs, exec_regs, sizeof(exec_regs)); + + if (fp_regs) + memcpy(fp_regs, exec_fp_regs, sizeof(exec_fp_regs)); } diff --git a/arch/um/os-Linux/skas/mem.c b/arch/um/os-Linux/skas/mem.c index d261f170d120..e771398be5f3 100644 --- a/arch/um/os-Linux/skas/mem.c +++ b/arch/um/os-Linux/skas/mem.c @@ -39,7 +39,7 @@ static unsigned long syscall_regs[MAX_REG_NR]; static int __init init_syscall_regs(void) { - get_safe_registers(syscall_regs); + get_safe_registers(syscall_regs, NULL); syscall_regs[REGS_IP_INDEX] = STUB_CODE + ((unsigned long) &batch_syscall_stub - (unsigned long) &__syscall_stub_start); diff --git a/arch/um/os-Linux/skas/process.c b/arch/um/os-Linux/skas/process.c index d6e0a2234b86..dee0e8cf8ad0 100644 --- a/arch/um/os-Linux/skas/process.c +++ b/arch/um/os-Linux/skas/process.c @@ -373,6 +373,9 @@ void userspace(struct uml_pt_regs *regs) if (ptrace(PTRACE_SETREGS, pid, 0, regs->gp)) fatal_sigsegv(); + if (put_fp_registers(pid, regs->fp)) + fatal_sigsegv(); + /* Now we set local_using_sysemu to be used for one loop */ local_using_sysemu = get_using_sysemu(); @@ -399,6 +402,12 @@ void userspace(struct uml_pt_regs *regs) fatal_sigsegv(); } + if (get_fp_registers(pid, regs->fp)) { + printk(UM_KERN_ERR "userspace - get_fp_registers failed, " + "errno = %d\n", errno); + fatal_sigsegv(); + } + UPT_SYSCALL_NR(regs) = -1; /* Assume: It's not a syscall */ if (WIFSTOPPED(status)) { @@ -457,10 +466,11 @@ void userspace(struct uml_pt_regs *regs) } static unsigned long thread_regs[MAX_REG_NR]; +static unsigned long thread_fp_regs[FP_SIZE]; static int __init init_thread_regs(void) { - get_safe_registers(thread_regs); + get_safe_registers(thread_regs, thread_fp_regs); /* Set parent's instruction pointer to start of clone-stub */ thread_regs[REGS_IP_INDEX] = STUB_CODE + (unsigned long) stub_clone_handler - @@ -503,6 +513,13 @@ int copy_context_skas0(unsigned long new_stack, int pid) return err; } + err = put_fp_registers(pid, thread_fp_regs); + if (err < 0) { + printk(UM_KERN_ERR "copy_context_skas0 : put_fp_registers " + "failed, pid = %d, err = %d\n", pid, err); + return err; + } + /* set a well known return code for detection of child write failure */ child_data->err = 12345678; diff --git a/arch/um/sys-i386/asm/ptrace.h b/arch/um/sys-i386/asm/ptrace.h index 0273e4d09af7..5d2a59112537 100644 --- a/arch/um/sys-i386/asm/ptrace.h +++ b/arch/um/sys-i386/asm/ptrace.h @@ -42,11 +42,6 @@ */ struct user_desc; -extern int get_fpxregs(struct user_fxsr_struct __user *buf, - struct task_struct *child); -extern int set_fpxregs(struct user_fxsr_struct __user *buf, - struct task_struct *tsk); - extern int ptrace_get_thread_area(struct task_struct *child, int idx, struct user_desc __user *user_desc); diff --git a/arch/um/sys-i386/ptrace.c b/arch/um/sys-i386/ptrace.c index d23b2d3ea384..3375c2717851 100644 --- a/arch/um/sys-i386/ptrace.c +++ b/arch/um/sys-i386/ptrace.c @@ -145,7 +145,7 @@ int peek_user(struct task_struct *child, long addr, long data) return put_user(tmp, (unsigned long __user *) data); } -int get_fpregs(struct user_i387_struct __user *buf, struct task_struct *child) +static int get_fpregs(struct user_i387_struct __user *buf, struct task_struct *child) { int err, n, cpu = ((struct thread_info *) child->stack)->cpu; struct user_i387_struct fpregs; @@ -161,7 +161,7 @@ int get_fpregs(struct user_i387_struct __user *buf, struct task_struct *child) return n; } -int set_fpregs(struct user_i387_struct __user *buf, struct task_struct *child) +static int set_fpregs(struct user_i387_struct __user *buf, struct task_struct *child) { int n, cpu = ((struct thread_info *) child->stack)->cpu; struct user_i387_struct fpregs; @@ -174,7 +174,7 @@ int set_fpregs(struct user_i387_struct __user *buf, struct task_struct *child) (unsigned long *) &fpregs); } -int get_fpxregs(struct user_fxsr_struct __user *buf, struct task_struct *child) +static int get_fpxregs(struct user_fxsr_struct __user *buf, struct task_struct *child) { int err, n, cpu = ((struct thread_info *) child->stack)->cpu; struct user_fxsr_struct fpregs; @@ -190,7 +190,7 @@ int get_fpxregs(struct user_fxsr_struct __user *buf, struct task_struct *child) return n; } -int set_fpxregs(struct user_fxsr_struct __user *buf, struct task_struct *child) +static int set_fpxregs(struct user_fxsr_struct __user *buf, struct task_struct *child) { int n, cpu = ((struct thread_info *) child->stack)->cpu; struct user_fxsr_struct fpregs; @@ -206,5 +206,23 @@ int set_fpxregs(struct user_fxsr_struct __user *buf, struct task_struct *child) long subarch_ptrace(struct task_struct *child, long request, unsigned long addr, unsigned long data) { - return -EIO; + int ret = -EIO; + void __user *datap = (void __user *) data; + switch (request) { + case PTRACE_GETFPREGS: /* Get the child FPU state. */ + ret = get_fpregs(datap, child); + break; + case PTRACE_SETFPREGS: /* Set the child FPU state. */ + ret = set_fpregs(datap, child); + break; + case PTRACE_GETFPXREGS: /* Get the child FPU state. */ + ret = get_fpxregs(datap, child); + break; + case PTRACE_SETFPXREGS: /* Set the child FPU state. */ + ret = set_fpxregs(datap, child); + break; + default: + ret = -EIO; + } + return ret; } diff --git a/arch/um/sys-i386/shared/sysdep/ptrace.h b/arch/um/sys-i386/shared/sysdep/ptrace.h index d50e62e07070..c398a5076111 100644 --- a/arch/um/sys-i386/shared/sysdep/ptrace.h +++ b/arch/um/sys-i386/shared/sysdep/ptrace.h @@ -53,6 +53,7 @@ extern int sysemu_supported; struct uml_pt_regs { unsigned long gp[MAX_REG_NR]; + unsigned long fp[HOST_FPX_SIZE]; struct faultinfo faultinfo; long syscall; int is_user; diff --git a/arch/um/sys-x86_64/ptrace.c b/arch/um/sys-x86_64/ptrace.c index f43613643cdb..4005506834fd 100644 --- a/arch/um/sys-x86_64/ptrace.c +++ b/arch/um/sys-x86_64/ptrace.c @@ -145,7 +145,7 @@ int is_syscall(unsigned long addr) return instr == 0x050f; } -int get_fpregs(struct user_i387_struct __user *buf, struct task_struct *child) +static int get_fpregs(struct user_i387_struct __user *buf, struct task_struct *child) { int err, n, cpu = ((struct thread_info *) child->stack)->cpu; long fpregs[HOST_FP_SIZE]; @@ -162,7 +162,7 @@ int get_fpregs(struct user_i387_struct __user *buf, struct task_struct *child) return n; } -int set_fpregs(struct user_i387_struct __user *buf, struct task_struct *child) +static int set_fpregs(struct user_i387_struct __user *buf, struct task_struct *child) { int n, cpu = ((struct thread_info *) child->stack)->cpu; long fpregs[HOST_FP_SIZE]; @@ -182,12 +182,16 @@ long subarch_ptrace(struct task_struct *child, long request, void __user *datap = (void __user *) data; switch (request) { - case PTRACE_GETFPXREGS: /* Get the child FPU state. */ + case PTRACE_GETFPREGS: /* Get the child FPU state. */ ret = get_fpregs(datap, child); break; - case PTRACE_SETFPXREGS: /* Set the child FPU state. */ + case PTRACE_SETFPREGS: /* Set the child FPU state. */ ret = set_fpregs(datap, child); break; + case PTRACE_ARCH_PRCTL: + /* XXX Calls ptrace on the host - needs some SMP thinking */ + ret = arch_prctl(child, data, (void __user *) addr); + break; } return ret; diff --git a/arch/um/sys-x86_64/shared/sysdep/ptrace.h b/arch/um/sys-x86_64/shared/sysdep/ptrace.h index fdba5457947a..8ee8f8e12af1 100644 --- a/arch/um/sys-x86_64/shared/sysdep/ptrace.h +++ b/arch/um/sys-x86_64/shared/sysdep/ptrace.h @@ -85,6 +85,7 @@ struct uml_pt_regs { unsigned long gp[MAX_REG_NR]; + unsigned long fp[HOST_FP_SIZE]; struct faultinfo faultinfo; long syscall; int is_user; diff --git a/arch/x86/include/asm/alternative-asm.h b/arch/x86/include/asm/alternative-asm.h index 4554cc6fb96a..091508b533b4 100644 --- a/arch/x86/include/asm/alternative-asm.h +++ b/arch/x86/include/asm/alternative-asm.h @@ -16,7 +16,6 @@ #endif .macro altinstruction_entry orig alt feature orig_len alt_len - .align 8 .long \orig - . .long \alt - . .word \feature diff --git a/arch/x86/include/asm/alternative.h b/arch/x86/include/asm/alternative.h index 23fb6d79f209..37ad100a2210 100644 --- a/arch/x86/include/asm/alternative.h +++ b/arch/x86/include/asm/alternative.h @@ -48,9 +48,6 @@ struct alt_instr { u16 cpuid; /* cpuid bit set for replacement */ u8 instrlen; /* length of original instruction */ u8 replacementlen; /* length of new instruction, <= instrlen */ -#ifdef CONFIG_X86_64 - u32 pad2; -#endif }; extern void alternative_instructions(void); @@ -83,7 +80,6 @@ static inline int alternatives_text_reserved(void *start, void *end) \ "661:\n\t" oldinstr "\n662:\n" \ ".section .altinstructions,\"a\"\n" \ - _ASM_ALIGN "\n" \ " .long 661b - .\n" /* label */ \ " .long 663f - .\n" /* new instruction */ \ " .word " __stringify(feature) "\n" /* feature bit */ \ diff --git a/arch/x86/include/asm/cpufeature.h b/arch/x86/include/asm/cpufeature.h index 4258aac99a6e..88b23a43f340 100644 --- a/arch/x86/include/asm/cpufeature.h +++ b/arch/x86/include/asm/cpufeature.h @@ -332,7 +332,6 @@ static __always_inline __pure bool __static_cpu_has(u16 bit) asm goto("1: jmp %l[t_no]\n" "2:\n" ".section .altinstructions,\"a\"\n" - _ASM_ALIGN "\n" " .long 1b - .\n" " .long 0\n" /* no replacement */ " .word %P0\n" /* feature bit */ @@ -350,7 +349,6 @@ static __always_inline __pure bool __static_cpu_has(u16 bit) asm volatile("1: movb $0,%0\n" "2:\n" ".section .altinstructions,\"a\"\n" - _ASM_ALIGN "\n" " .long 1b - .\n" " .long 3f - .\n" " .word %P1\n" /* feature bit */ diff --git a/arch/x86/kvm/emulate.c b/arch/x86/kvm/emulate.c index 6f08bc940fa8..8b4cc5f067de 100644 --- a/arch/x86/kvm/emulate.c +++ b/arch/x86/kvm/emulate.c @@ -3603,7 +3603,7 @@ done_prefixes: break; case Src2CL: ctxt->src2.bytes = 1; - ctxt->src2.val = ctxt->regs[VCPU_REGS_RCX] & 0x8; + ctxt->src2.val = ctxt->regs[VCPU_REGS_RCX] & 0xff; break; case Src2ImmByte: rc = decode_imm(ctxt, &ctxt->src2, 1, true); diff --git a/arch/x86/kvm/mmu.c b/arch/x86/kvm/mmu.c index 1c5b69373a00..8e8da7960dbe 100644 --- a/arch/x86/kvm/mmu.c +++ b/arch/x86/kvm/mmu.c @@ -400,7 +400,8 @@ static u64 __update_clear_spte_slow(u64 *sptep, u64 spte) /* xchg acts as a barrier before the setting of the high bits */ orig.spte_low = xchg(&ssptep->spte_low, sspte.spte_low); - orig.spte_high = ssptep->spte_high = sspte.spte_high; + orig.spte_high = ssptep->spte_high; + ssptep->spte_high = sspte.spte_high; count_spte_clear(sptep, spte); return orig.spte; diff --git a/arch/x86/xen/mmu.c b/arch/x86/xen/mmu.c index 20a614275064..3dd53f997b11 100644 --- a/arch/x86/xen/mmu.c +++ b/arch/x86/xen/mmu.c @@ -1721,10 +1721,8 @@ void __init xen_setup_machphys_mapping(void) machine_to_phys_nr = MACH2PHYS_NR_ENTRIES; } #ifdef CONFIG_X86_32 - if ((machine_to_phys_mapping + machine_to_phys_nr) - < machine_to_phys_mapping) - machine_to_phys_nr = (unsigned long *)NULL - - machine_to_phys_mapping; + WARN_ON((machine_to_phys_mapping + (machine_to_phys_nr - 1)) + < machine_to_phys_mapping); #endif } diff --git a/arch/x86/xen/setup.c b/arch/x86/xen/setup.c index c3b8d440873c..46d6d21dbdbe 100644 --- a/arch/x86/xen/setup.c +++ b/arch/x86/xen/setup.c @@ -306,10 +306,12 @@ char * __init xen_memory_setup(void) sanitize_e820_map(e820.map, ARRAY_SIZE(e820.map), &e820.nr_map); extra_limit = xen_get_max_pages(); - if (extra_limit >= max_pfn) - extra_pages = extra_limit - max_pfn; - else - extra_pages = 0; + if (max_pfn + extra_pages > extra_limit) { + if (extra_limit > max_pfn) + extra_pages = extra_limit - max_pfn; + else + extra_pages = 0; + } extra_pages += xen_return_unused_memory(xen_start_info->nr_pages, &e820); diff --git a/arch/x86/xen/smp.c b/arch/x86/xen/smp.c index d4fc6d454f8d..041d4fe9dfe4 100644 --- a/arch/x86/xen/smp.c +++ b/arch/x86/xen/smp.c @@ -532,7 +532,6 @@ static void __init xen_hvm_smp_prepare_cpus(unsigned int max_cpus) WARN_ON(xen_smp_intr_init(0)); xen_init_lock_cpu(0); - xen_init_spinlocks(); } static int __cpuinit xen_hvm_cpu_up(unsigned int cpu) diff --git a/arch/x86/xen/time.c b/arch/x86/xen/time.c index 5158c505bef9..163b4679556e 100644 --- a/arch/x86/xen/time.c +++ b/arch/x86/xen/time.c @@ -168,9 +168,10 @@ cycle_t xen_clocksource_read(void) struct pvclock_vcpu_time_info *src; cycle_t ret; - src = &get_cpu_var(xen_vcpu)->time; + preempt_disable_notrace(); + src = &__get_cpu_var(xen_vcpu)->time; ret = pvclock_clocksource_read(src); - put_cpu_var(xen_vcpu); + preempt_enable_notrace(); return ret; } diff --git a/block/blk-cgroup.c b/block/blk-cgroup.c index bcaf16ee6ad1..b596e54ddd71 100644 --- a/block/blk-cgroup.c +++ b/block/blk-cgroup.c @@ -785,10 +785,10 @@ static int blkio_policy_parse_and_set(char *buf, { char *s[4], *p, *major_s = NULL, *minor_s = NULL; int ret; - unsigned long major, minor, temp; + unsigned long major, minor; int i = 0; dev_t dev; - u64 bps, iops; + u64 temp; memset(s, 0, sizeof(s)); @@ -826,20 +826,23 @@ static int blkio_policy_parse_and_set(char *buf, dev = MKDEV(major, minor); - ret = blkio_check_dev_num(dev); + ret = strict_strtoull(s[1], 10, &temp); if (ret) - return ret; + return -EINVAL; - newpn->dev = dev; + /* For rule removal, do not check for device presence. */ + if (temp) { + ret = blkio_check_dev_num(dev); + if (ret) + return ret; + } - if (s[1] == NULL) - return -EINVAL; + newpn->dev = dev; switch (plid) { case BLKIO_POLICY_PROP: - ret = strict_strtoul(s[1], 10, &temp); - if (ret || (temp < BLKIO_WEIGHT_MIN && temp > 0) || - temp > BLKIO_WEIGHT_MAX) + if ((temp < BLKIO_WEIGHT_MIN && temp > 0) || + temp > BLKIO_WEIGHT_MAX) return -EINVAL; newpn->plid = plid; @@ -850,26 +853,18 @@ static int blkio_policy_parse_and_set(char *buf, switch(fileid) { case BLKIO_THROTL_read_bps_device: case BLKIO_THROTL_write_bps_device: - ret = strict_strtoull(s[1], 10, &bps); - if (ret) - return -EINVAL; - newpn->plid = plid; newpn->fileid = fileid; - newpn->val.bps = bps; + newpn->val.bps = temp; break; case BLKIO_THROTL_read_iops_device: case BLKIO_THROTL_write_iops_device: - ret = strict_strtoull(s[1], 10, &iops); - if (ret) - return -EINVAL; - - if (iops > THROTL_IOPS_MAX) + if (temp > THROTL_IOPS_MAX) return -EINVAL; newpn->plid = plid; newpn->fileid = fileid; - newpn->val.iops = (unsigned int)iops; + newpn->val.iops = (unsigned int)temp; break; } break; diff --git a/block/blk-core.c b/block/blk-core.c index 90e1ffdeb415..b2ed78afd9f0 100644 --- a/block/blk-core.c +++ b/block/blk-core.c @@ -1167,7 +1167,7 @@ static bool bio_attempt_front_merge(struct request_queue *q, * true if merge was successful, otherwise false. */ static bool attempt_plug_merge(struct task_struct *tsk, struct request_queue *q, - struct bio *bio) + struct bio *bio, unsigned int *request_count) { struct blk_plug *plug; struct request *rq; @@ -1176,10 +1176,13 @@ static bool attempt_plug_merge(struct task_struct *tsk, struct request_queue *q, plug = tsk->plug; if (!plug) goto out; + *request_count = 0; list_for_each_entry_reverse(rq, &plug->list, queuelist) { int el_ret; + (*request_count)++; + if (rq->q != q) continue; @@ -1219,6 +1222,7 @@ static int __make_request(struct request_queue *q, struct bio *bio) struct blk_plug *plug; int el_ret, rw_flags, where = ELEVATOR_INSERT_SORT; struct request *req; + unsigned int request_count = 0; /* * low level driver can indicate that it wants pages above a @@ -1237,7 +1241,7 @@ static int __make_request(struct request_queue *q, struct bio *bio) * Check if we can merge with the plugged list before grabbing * any locks. */ - if (attempt_plug_merge(current, q, bio)) + if (attempt_plug_merge(current, q, bio, &request_count)) goto out; spin_lock_irq(q->queue_lock); @@ -1302,11 +1306,10 @@ get_rq: if (__rq->q != q) plug->should_sort = 1; } + if (request_count >= BLK_MAX_REQUEST_COUNT) + blk_flush_plug_list(plug, false); list_add_tail(&req->queuelist, &plug->list); - plug->count++; drive_stat_acct(req, 1); - if (plug->count >= BLK_MAX_REQUEST_COUNT) - blk_flush_plug_list(plug, false); } else { spin_lock_irq(q->queue_lock); add_acct_request(q, req, where); @@ -2634,7 +2637,6 @@ void blk_start_plug(struct blk_plug *plug) INIT_LIST_HEAD(&plug->list); INIT_LIST_HEAD(&plug->cb_list); plug->should_sort = 0; - plug->count = 0; /* * If this is a nested plug, don't actually assign it. It will be @@ -2718,7 +2720,6 @@ void blk_flush_plug_list(struct blk_plug *plug, bool from_schedule) return; list_splice_init(&plug->list, &list); - plug->count = 0; if (plug->should_sort) { list_sort(NULL, &list, plug_rq_cmp); diff --git a/block/blk-softirq.c b/block/blk-softirq.c index 58340d0cb23a..1366a89d8e66 100644 --- a/block/blk-softirq.c +++ b/block/blk-softirq.c @@ -115,7 +115,7 @@ void __blk_complete_request(struct request *req) /* * Select completion CPU */ - if (test_bit(QUEUE_FLAG_SAME_COMP, &q->queue_flags) && req->cpu != -1) { + if (req->cpu != -1) { ccpu = req->cpu; if (!test_bit(QUEUE_FLAG_SAME_FORCE, &q->queue_flags)) { ccpu = blk_cpu_to_group(ccpu); diff --git a/block/blk-sysfs.c b/block/blk-sysfs.c index 0ee17b5e7fb6..e681805cdb47 100644 --- a/block/blk-sysfs.c +++ b/block/blk-sysfs.c @@ -258,11 +258,13 @@ queue_rq_affinity_store(struct request_queue *q, const char *page, size_t count) ret = queue_var_store(&val, page, count); spin_lock_irq(q->queue_lock); - if (val) { + if (val == 2) { queue_flag_set(QUEUE_FLAG_SAME_COMP, q); - if (val == 2) - queue_flag_set(QUEUE_FLAG_SAME_FORCE, q); - } else { + queue_flag_set(QUEUE_FLAG_SAME_FORCE, q); + } else if (val == 1) { + queue_flag_set(QUEUE_FLAG_SAME_COMP, q); + queue_flag_clear(QUEUE_FLAG_SAME_FORCE, q); + } else if (val == 0) { queue_flag_clear(QUEUE_FLAG_SAME_COMP, q); queue_flag_clear(QUEUE_FLAG_SAME_FORCE, q); } diff --git a/block/cfq-iosched.c b/block/cfq-iosched.c index a33bd4377c61..16ace89613bc 100644 --- a/block/cfq-iosched.c +++ b/block/cfq-iosched.c @@ -130,8 +130,8 @@ struct cfq_queue { unsigned long slice_end; long slice_resid; - /* pending metadata requests */ - int meta_pending; + /* pending priority requests */ + int prio_pending; /* number of requests that are on the dispatch list or inside driver */ int dispatched; @@ -684,8 +684,8 @@ cfq_choose_req(struct cfq_data *cfqd, struct request *rq1, struct request *rq2, if (rq_is_sync(rq1) != rq_is_sync(rq2)) return rq_is_sync(rq1) ? rq1 : rq2; - if ((rq1->cmd_flags ^ rq2->cmd_flags) & REQ_META) - return rq1->cmd_flags & REQ_META ? rq1 : rq2; + if ((rq1->cmd_flags ^ rq2->cmd_flags) & REQ_PRIO) + return rq1->cmd_flags & REQ_PRIO ? rq1 : rq2; s1 = blk_rq_pos(rq1); s2 = blk_rq_pos(rq2); @@ -1612,9 +1612,9 @@ static void cfq_remove_request(struct request *rq) cfqq->cfqd->rq_queued--; cfq_blkiocg_update_io_remove_stats(&(RQ_CFQG(rq))->blkg, rq_data_dir(rq), rq_is_sync(rq)); - if (rq->cmd_flags & REQ_META) { - WARN_ON(!cfqq->meta_pending); - cfqq->meta_pending--; + if (rq->cmd_flags & REQ_PRIO) { + WARN_ON(!cfqq->prio_pending); + cfqq->prio_pending--; } } @@ -3372,7 +3372,7 @@ cfq_should_preempt(struct cfq_data *cfqd, struct cfq_queue *new_cfqq, * So both queues are sync. Let the new request get disk time if * it's a metadata request and the current queue is doing regular IO. */ - if ((rq->cmd_flags & REQ_META) && !cfqq->meta_pending) + if ((rq->cmd_flags & REQ_PRIO) && !cfqq->prio_pending) return true; /* @@ -3439,8 +3439,8 @@ cfq_rq_enqueued(struct cfq_data *cfqd, struct cfq_queue *cfqq, struct cfq_io_context *cic = RQ_CIC(rq); cfqd->rq_queued++; - if (rq->cmd_flags & REQ_META) - cfqq->meta_pending++; + if (rq->cmd_flags & REQ_PRIO) + cfqq->prio_pending++; cfq_update_io_thinktime(cfqd, cfqq, cic); cfq_update_io_seektime(cfqd, cfqq, rq); diff --git a/drivers/acpi/acpica/acconfig.h b/drivers/acpi/acpica/acconfig.h index bc533dde16c4..f895a244ca7e 100644 --- a/drivers/acpi/acpica/acconfig.h +++ b/drivers/acpi/acpica/acconfig.h @@ -121,7 +121,7 @@ /* Maximum sleep allowed via Sleep() operator */ -#define ACPI_MAX_SLEEP 20000 /* Two seconds */ +#define ACPI_MAX_SLEEP 2000 /* Two seconds */ /****************************************************************************** * diff --git a/drivers/acpi/apei/Kconfig b/drivers/acpi/apei/Kconfig index c34aa51af4ee..e3f47872ec22 100644 --- a/drivers/acpi/apei/Kconfig +++ b/drivers/acpi/apei/Kconfig @@ -13,6 +13,7 @@ config ACPI_APEI_GHES bool "APEI Generic Hardware Error Source" depends on ACPI_APEI && X86 select ACPI_HED + select IRQ_WORK select LLIST select GENERIC_ALLOCATOR help diff --git a/drivers/acpi/apei/apei-base.c b/drivers/acpi/apei/apei-base.c index 8041248fce9b..61540360d5ce 100644 --- a/drivers/acpi/apei/apei-base.c +++ b/drivers/acpi/apei/apei-base.c @@ -618,7 +618,7 @@ int apei_osc_setup(void) }; capbuf[OSC_QUERY_TYPE] = OSC_QUERY_ENABLE; - capbuf[OSC_SUPPORT_TYPE] = 0; + capbuf[OSC_SUPPORT_TYPE] = 1; capbuf[OSC_CONTROL_TYPE] = 0; if (ACPI_FAILURE(acpi_get_handle(NULL, "\\_SB", &handle)) diff --git a/drivers/base/power/clock_ops.c b/drivers/base/power/clock_ops.c index 2c18d584066d..b97294e2d95b 100644 --- a/drivers/base/power/clock_ops.c +++ b/drivers/base/power/clock_ops.c @@ -42,6 +42,22 @@ static struct pm_clk_data *__to_pcd(struct device *dev) } /** + * pm_clk_acquire - Acquire a device clock. + * @dev: Device whose clock is to be acquired. + * @ce: PM clock entry corresponding to the clock. + */ +static void pm_clk_acquire(struct device *dev, struct pm_clock_entry *ce) +{ + ce->clk = clk_get(dev, ce->con_id); + if (IS_ERR(ce->clk)) { + ce->status = PCE_STATUS_ERROR; + } else { + ce->status = PCE_STATUS_ACQUIRED; + dev_dbg(dev, "Clock %s managed by runtime PM.\n", ce->con_id); + } +} + +/** * pm_clk_add - Start using a device clock for power management. * @dev: Device whose clock is going to be used for power management. * @con_id: Connection ID of the clock. @@ -73,6 +89,8 @@ int pm_clk_add(struct device *dev, const char *con_id) } } + pm_clk_acquire(dev, ce); + spin_lock_irq(&pcd->lock); list_add_tail(&ce->node, &pcd->clock_list); spin_unlock_irq(&pcd->lock); @@ -82,17 +100,12 @@ int pm_clk_add(struct device *dev, const char *con_id) /** * __pm_clk_remove - Destroy PM clock entry. * @ce: PM clock entry to destroy. - * - * This routine must be called under the spinlock protecting the PM list of - * clocks corresponding the the @ce's device. */ static void __pm_clk_remove(struct pm_clock_entry *ce) { if (!ce) return; - list_del(&ce->node); - if (ce->status < PCE_STATUS_ERROR) { if (ce->status == PCE_STATUS_ENABLED) clk_disable(ce->clk); @@ -126,18 +139,22 @@ void pm_clk_remove(struct device *dev, const char *con_id) spin_lock_irq(&pcd->lock); list_for_each_entry(ce, &pcd->clock_list, node) { - if (!con_id && !ce->con_id) { - __pm_clk_remove(ce); - break; - } else if (!con_id || !ce->con_id) { + if (!con_id && !ce->con_id) + goto remove; + else if (!con_id || !ce->con_id) continue; - } else if (!strcmp(con_id, ce->con_id)) { - __pm_clk_remove(ce); - break; - } + else if (!strcmp(con_id, ce->con_id)) + goto remove; } spin_unlock_irq(&pcd->lock); + return; + + remove: + list_del(&ce->node); + spin_unlock_irq(&pcd->lock); + + __pm_clk_remove(ce); } /** @@ -175,20 +192,27 @@ void pm_clk_destroy(struct device *dev) { struct pm_clk_data *pcd = __to_pcd(dev); struct pm_clock_entry *ce, *c; + struct list_head list; if (!pcd) return; dev->power.subsys_data = NULL; + INIT_LIST_HEAD(&list); spin_lock_irq(&pcd->lock); list_for_each_entry_safe_reverse(ce, c, &pcd->clock_list, node) - __pm_clk_remove(ce); + list_move(&ce->node, &list); spin_unlock_irq(&pcd->lock); kfree(pcd); + + list_for_each_entry_safe_reverse(ce, c, &list, node) { + list_del(&ce->node); + __pm_clk_remove(ce); + } } #endif /* CONFIG_PM */ @@ -196,23 +220,6 @@ void pm_clk_destroy(struct device *dev) #ifdef CONFIG_PM_RUNTIME /** - * pm_clk_acquire - Acquire a device clock. - * @dev: Device whose clock is to be acquired. - * @con_id: Connection ID of the clock. - */ -static void pm_clk_acquire(struct device *dev, - struct pm_clock_entry *ce) -{ - ce->clk = clk_get(dev, ce->con_id); - if (IS_ERR(ce->clk)) { - ce->status = PCE_STATUS_ERROR; - } else { - ce->status = PCE_STATUS_ACQUIRED; - dev_dbg(dev, "Clock %s managed by runtime PM.\n", ce->con_id); - } -} - -/** * pm_clk_suspend - Disable clocks in a device's PM clock list. * @dev: Device to disable the clocks for. */ @@ -230,9 +237,6 @@ int pm_clk_suspend(struct device *dev) spin_lock_irqsave(&pcd->lock, flags); list_for_each_entry_reverse(ce, &pcd->clock_list, node) { - if (ce->status == PCE_STATUS_NONE) - pm_clk_acquire(dev, ce); - if (ce->status < PCE_STATUS_ERROR) { clk_disable(ce->clk); ce->status = PCE_STATUS_ACQUIRED; @@ -262,9 +266,6 @@ int pm_clk_resume(struct device *dev) spin_lock_irqsave(&pcd->lock, flags); list_for_each_entry(ce, &pcd->clock_list, node) { - if (ce->status == PCE_STATUS_NONE) - pm_clk_acquire(dev, ce); - if (ce->status < PCE_STATUS_ERROR) { clk_enable(ce->clk); ce->status = PCE_STATUS_ENABLED; diff --git a/drivers/block/floppy.c b/drivers/block/floppy.c index 98de8f418676..9955a53733b2 100644 --- a/drivers/block/floppy.c +++ b/drivers/block/floppy.c @@ -4250,7 +4250,7 @@ static int __init floppy_init(void) use_virtual_dma = can_use_virtual_dma & 1; fdc_state[0].address = FDC1; if (fdc_state[0].address == -1) { - del_timer(&fd_timeout); + del_timer_sync(&fd_timeout); err = -ENODEV; goto out_unreg_region; } @@ -4261,7 +4261,7 @@ static int __init floppy_init(void) fdc = 0; /* reset fdc in case of unexpected interrupt */ err = floppy_grab_irq_and_dma(); if (err) { - del_timer(&fd_timeout); + del_timer_sync(&fd_timeout); err = -EBUSY; goto out_unreg_region; } @@ -4318,7 +4318,7 @@ static int __init floppy_init(void) user_reset_fdc(-1, FD_RESET_ALWAYS, false); } fdc = 0; - del_timer(&fd_timeout); + del_timer_sync(&fd_timeout); current_drive = 0; initialized = true; if (have_no_fdc) { @@ -4368,7 +4368,7 @@ out_unreg_blkdev: unregister_blkdev(FLOPPY_MAJOR, "fd"); out_put_disk: while (dr--) { - del_timer(&motor_off_timer[dr]); + del_timer_sync(&motor_off_timer[dr]); if (disks[dr]->queue) blk_cleanup_queue(disks[dr]->queue); put_disk(disks[dr]); diff --git a/drivers/block/xen-blkback/common.h b/drivers/block/xen-blkback/common.h index 9e40b283a468..00c57c90e2d6 100644 --- a/drivers/block/xen-blkback/common.h +++ b/drivers/block/xen-blkback/common.h @@ -46,7 +46,7 @@ #define DRV_PFX "xen-blkback:" #define DPRINTK(fmt, args...) \ - pr_debug(DRV_PFX "(%s:%d) " fmt ".\n", \ + pr_debug(DRV_PFX "(%s:%d) " fmt ".\n", \ __func__, __LINE__, ##args) diff --git a/drivers/block/xen-blkback/xenbus.c b/drivers/block/xen-blkback/xenbus.c index 3f129b45451a..5fd2010f7d2b 100644 --- a/drivers/block/xen-blkback/xenbus.c +++ b/drivers/block/xen-blkback/xenbus.c @@ -590,7 +590,7 @@ static void frontend_changed(struct xenbus_device *dev, /* * Enforce precondition before potential leak point. - * blkif_disconnect() is idempotent. + * xen_blkif_disconnect() is idempotent. */ xen_blkif_disconnect(be->blkif); @@ -601,17 +601,17 @@ static void frontend_changed(struct xenbus_device *dev, break; case XenbusStateClosing: - xen_blkif_disconnect(be->blkif); xenbus_switch_state(dev, XenbusStateClosing); break; case XenbusStateClosed: + xen_blkif_disconnect(be->blkif); xenbus_switch_state(dev, XenbusStateClosed); if (xenbus_dev_is_online(dev)) break; /* fall through if not online */ case XenbusStateUnknown: - /* implies blkif_disconnect() via blkback_remove() */ + /* implies xen_blkif_disconnect() via xen_blkbk_remove() */ device_unregister(&dev->dev); break; diff --git a/drivers/bluetooth/btusb.c b/drivers/bluetooth/btusb.c index 3ef476070baf..9cbac6b445e1 100644 --- a/drivers/bluetooth/btusb.c +++ b/drivers/bluetooth/btusb.c @@ -72,9 +72,15 @@ static struct usb_device_id btusb_table[] = { /* Apple MacBookAir3,1, MacBookAir3,2 */ { USB_DEVICE(0x05ac, 0x821b) }, + /* Apple MacBookAir4,1 */ + { USB_DEVICE(0x05ac, 0x821f) }, + /* Apple MacBookPro8,2 */ { USB_DEVICE(0x05ac, 0x821a) }, + /* Apple MacMini5,1 */ + { USB_DEVICE(0x05ac, 0x8281) }, + /* AVM BlueFRITZ! USB v2.0 */ { USB_DEVICE(0x057c, 0x3800) }, diff --git a/drivers/bluetooth/btwilink.c b/drivers/bluetooth/btwilink.c index 65d27aff553a..04d353f58d71 100644 --- a/drivers/bluetooth/btwilink.c +++ b/drivers/bluetooth/btwilink.c @@ -125,6 +125,13 @@ static long st_receive(void *priv_data, struct sk_buff *skb) /* protocol structure registered with shared transport */ static struct st_proto_s ti_st_proto[MAX_BT_CHNL_IDS] = { { + .chnl_id = HCI_EVENT_PKT, /* HCI Events */ + .hdr_len = sizeof(struct hci_event_hdr), + .offset_len_in_hdr = offsetof(struct hci_event_hdr, plen), + .len_size = 1, /* sizeof(plen) in struct hci_event_hdr */ + .reserve = 8, + }, + { .chnl_id = HCI_ACLDATA_PKT, /* ACL */ .hdr_len = sizeof(struct hci_acl_hdr), .offset_len_in_hdr = offsetof(struct hci_acl_hdr, dlen), @@ -138,13 +145,6 @@ static struct st_proto_s ti_st_proto[MAX_BT_CHNL_IDS] = { .len_size = 1, /* sizeof(dlen) in struct hci_sco_hdr */ .reserve = 8, }, - { - .chnl_id = HCI_EVENT_PKT, /* HCI Events */ - .hdr_len = sizeof(struct hci_event_hdr), - .offset_len_in_hdr = offsetof(struct hci_event_hdr, plen), - .len_size = 1, /* sizeof(plen) in struct hci_event_hdr */ - .reserve = 8, - }, }; /* Called from HCI core to initialize the device */ @@ -240,7 +240,7 @@ static int ti_st_close(struct hci_dev *hdev) if (!test_and_clear_bit(HCI_RUNNING, &hdev->flags)) return 0; - for (i = 0; i < MAX_BT_CHNL_IDS; i++) { + for (i = MAX_BT_CHNL_IDS-1; i >= 0; i--) { err = st_unregister(&ti_st_proto[i]); if (err) BT_ERR("st_unregister(%d) failed with error %d", diff --git a/drivers/char/tpm/Kconfig b/drivers/char/tpm/Kconfig index f6595aba4f0f..fa567f1158c2 100644 --- a/drivers/char/tpm/Kconfig +++ b/drivers/char/tpm/Kconfig @@ -43,6 +43,7 @@ config TCG_NSC config TCG_ATMEL tristate "Atmel TPM Interface" + depends on PPC64 || HAS_IOPORT ---help--- If you have a TPM security chip from Atmel say Yes and it will be accessible from within Linux. To compile this driver diff --git a/drivers/char/tpm/tpm.c b/drivers/char/tpm/tpm.c index caf8012ef47c..9ca5c021d0b6 100644 --- a/drivers/char/tpm/tpm.c +++ b/drivers/char/tpm/tpm.c @@ -383,6 +383,9 @@ static ssize_t tpm_transmit(struct tpm_chip *chip, const char *buf, u32 count, ordinal; unsigned long stop; + if (bufsiz > TPM_BUFSIZE) + bufsiz = TPM_BUFSIZE; + count = be32_to_cpu(*((__be32 *) (buf + 2))); ordinal = be32_to_cpu(*((__be32 *) (buf + 6))); if (count == 0) @@ -1102,6 +1105,7 @@ ssize_t tpm_read(struct file *file, char __user *buf, { struct tpm_chip *chip = file->private_data; ssize_t ret_size; + int rc; del_singleshot_timer_sync(&chip->user_read_timer); flush_work_sync(&chip->work); @@ -1112,8 +1116,11 @@ ssize_t tpm_read(struct file *file, char __user *buf, ret_size = size; mutex_lock(&chip->buffer_mutex); - if (copy_to_user(buf, chip->data_buffer, ret_size)) + rc = copy_to_user(buf, chip->data_buffer, ret_size); + memset(chip->data_buffer, 0, ret_size); + if (rc) ret_size = -EFAULT; + mutex_unlock(&chip->buffer_mutex); } diff --git a/drivers/char/tpm/tpm_nsc.c b/drivers/char/tpm/tpm_nsc.c index 82facc9104c7..4d2464871ada 100644 --- a/drivers/char/tpm/tpm_nsc.c +++ b/drivers/char/tpm/tpm_nsc.c @@ -396,8 +396,6 @@ static void __exit cleanup_nsc(void) if (pdev) { tpm_nsc_remove(&pdev->dev); platform_device_unregister(pdev); - kfree(pdev); - pdev = NULL; } platform_driver_unregister(&nsc_drv); diff --git a/drivers/cpufreq/pcc-cpufreq.c b/drivers/cpufreq/pcc-cpufreq.c index 7b0603eb0129..cdc02ac8f41a 100644 --- a/drivers/cpufreq/pcc-cpufreq.c +++ b/drivers/cpufreq/pcc-cpufreq.c @@ -261,6 +261,9 @@ static int pcc_get_offset(int cpu) pr = per_cpu(processors, cpu); pcc_cpu_data = per_cpu_ptr(pcc_cpu_info, cpu); + if (!pr) + return -ENODEV; + status = acpi_evaluate_object(pr->handle, "PCCP", NULL, &buffer); if (ACPI_FAILURE(status)) return -ENODEV; diff --git a/drivers/dma/Kconfig b/drivers/dma/Kconfig index 2e3b3d38c465..ab8f469f5cf8 100644 --- a/drivers/dma/Kconfig +++ b/drivers/dma/Kconfig @@ -193,7 +193,8 @@ config ARCH_HAS_ASYNC_TX_FIND_CHANNEL config PL330_DMA tristate "DMA API Driver for PL330" select DMA_ENGINE - depends on PL330 + depends on ARM_AMBA + select PL330 help Select if your platform has one or more PL330 DMACs. You need to provide platform specific settings via diff --git a/drivers/dma/amba-pl08x.c b/drivers/dma/amba-pl08x.c index be21e3f138a8..cd8df7f5b5c8 100644 --- a/drivers/dma/amba-pl08x.c +++ b/drivers/dma/amba-pl08x.c @@ -66,32 +66,29 @@ * after the final transfer signalled by LBREQ or LSREQ. The DMAC * will then move to the next LLI entry. * - * Only the former works sanely with scatter lists, so we only implement - * the DMAC flow control method. However, peripherals which use the LBREQ - * and LSREQ signals (eg, MMCI) are unable to use this mode, which through - * these hardware restrictions prevents them from using scatter DMA. - * * Global TODO: * - Break out common code from arch/arm/mach-s3c64xx and share */ -#include <linux/device.h> -#include <linux/init.h> -#include <linux/module.h> -#include <linux/interrupt.h> -#include <linux/slab.h> -#include <linux/delay.h> -#include <linux/dma-mapping.h> -#include <linux/dmapool.h> -#include <linux/dmaengine.h> #include <linux/amba/bus.h> #include <linux/amba/pl08x.h> #include <linux/debugfs.h> +#include <linux/delay.h> +#include <linux/device.h> +#include <linux/dmaengine.h> +#include <linux/dmapool.h> +#include <linux/dma-mapping.h> +#include <linux/init.h> +#include <linux/interrupt.h> +#include <linux/module.h> +#include <linux/pm_runtime.h> #include <linux/seq_file.h> - +#include <linux/slab.h> #include <asm/hardware/pl080.h> #define DRIVER_NAME "pl08xdmac" +static struct amba_driver pl08x_amba_driver; + /** * struct vendor_data - vendor-specific config parameters for PL08x derivatives * @channels: the number of channels available in this variant @@ -126,7 +123,8 @@ struct pl08x_lli { * @phy_chans: array of data for the physical channels * @pool: a pool for the LLI descriptors * @pool_ctr: counter of LLIs in the pool - * @lli_buses: bitmask to or in to LLI pointer selecting AHB port for LLI fetches + * @lli_buses: bitmask to or in to LLI pointer selecting AHB port for LLI + * fetches * @mem_buses: set to indicate memory transfers on AHB2. * @lock: a spinlock for this struct */ @@ -149,14 +147,6 @@ struct pl08x_driver_data { * PL08X specific defines */ -/* - * Memory boundaries: the manual for PL08x says that the controller - * cannot read past a 1KiB boundary, so these defines are used to - * create transfer LLIs that do not cross such boundaries. - */ -#define PL08X_BOUNDARY_SHIFT (10) /* 1KB 0x400 */ -#define PL08X_BOUNDARY_SIZE (1 << PL08X_BOUNDARY_SHIFT) - /* Size (bytes) of each LLI buffer allocated for one transfer */ # define PL08X_LLI_TSFR_SIZE 0x2000 @@ -272,7 +262,6 @@ static void pl08x_resume_phy_chan(struct pl08x_phy_chan *ch) writel(val, ch->base + PL080_CH_CONFIG); } - /* * pl08x_terminate_phy_chan() stops the channel, clears the FIFO and * clears any pending interrupt status. This should not be used for @@ -407,6 +396,7 @@ pl08x_get_phy_channel(struct pl08x_driver_data *pl08x, return NULL; } + pm_runtime_get_sync(&pl08x->adev->dev); return ch; } @@ -420,6 +410,8 @@ static inline void pl08x_put_phy_channel(struct pl08x_driver_data *pl08x, /* Stop the channel and clear its interrupts */ pl08x_terminate_phy_chan(pl08x, ch); + pm_runtime_put(&pl08x->adev->dev); + /* Mark it as free */ ch->serving = NULL; spin_unlock_irqrestore(&ch->lock, flags); @@ -499,36 +491,30 @@ struct pl08x_lli_build_data { }; /* - * Autoselect a master bus to use for the transfer this prefers the - * destination bus if both available if fixed address on one bus the - * other will be chosen + * Autoselect a master bus to use for the transfer. Slave will be the chosen as + * victim in case src & dest are not similarly aligned. i.e. If after aligning + * masters address with width requirements of transfer (by sending few byte by + * byte data), slave is still not aligned, then its width will be reduced to + * BYTE. + * - prefers the destination bus if both available + * - prefers bus with fixed address (i.e. peripheral) */ static void pl08x_choose_master_bus(struct pl08x_lli_build_data *bd, struct pl08x_bus_data **mbus, struct pl08x_bus_data **sbus, u32 cctl) { if (!(cctl & PL080_CONTROL_DST_INCR)) { - *mbus = &bd->srcbus; - *sbus = &bd->dstbus; - } else if (!(cctl & PL080_CONTROL_SRC_INCR)) { *mbus = &bd->dstbus; *sbus = &bd->srcbus; + } else if (!(cctl & PL080_CONTROL_SRC_INCR)) { + *mbus = &bd->srcbus; + *sbus = &bd->dstbus; } else { - if (bd->dstbus.buswidth == 4) { - *mbus = &bd->dstbus; - *sbus = &bd->srcbus; - } else if (bd->srcbus.buswidth == 4) { - *mbus = &bd->srcbus; - *sbus = &bd->dstbus; - } else if (bd->dstbus.buswidth == 2) { + if (bd->dstbus.buswidth >= bd->srcbus.buswidth) { *mbus = &bd->dstbus; *sbus = &bd->srcbus; - } else if (bd->srcbus.buswidth == 2) { + } else { *mbus = &bd->srcbus; *sbus = &bd->dstbus; - } else { - /* bd->srcbus.buswidth == 1 */ - *mbus = &bd->dstbus; - *sbus = &bd->srcbus; } } } @@ -547,7 +533,8 @@ static void pl08x_fill_lli_for_desc(struct pl08x_lli_build_data *bd, llis_va[num_llis].cctl = cctl; llis_va[num_llis].src = bd->srcbus.addr; llis_va[num_llis].dst = bd->dstbus.addr; - llis_va[num_llis].lli = llis_bus + (num_llis + 1) * sizeof(struct pl08x_lli); + llis_va[num_llis].lli = llis_bus + (num_llis + 1) * + sizeof(struct pl08x_lli); llis_va[num_llis].lli |= bd->lli_bus; if (cctl & PL080_CONTROL_SRC_INCR) @@ -560,16 +547,12 @@ static void pl08x_fill_lli_for_desc(struct pl08x_lli_build_data *bd, bd->remainder -= len; } -/* - * Return number of bytes to fill to boundary, or len. - * This calculation works for any value of addr. - */ -static inline size_t pl08x_pre_boundary(u32 addr, size_t len) +static inline void prep_byte_width_lli(struct pl08x_lli_build_data *bd, + u32 *cctl, u32 len, int num_llis, size_t *total_bytes) { - size_t boundary_len = PL08X_BOUNDARY_SIZE - - (addr & (PL08X_BOUNDARY_SIZE - 1)); - - return min(boundary_len, len); + *cctl = pl08x_cctl_bits(*cctl, 1, 1, len); + pl08x_fill_lli_for_desc(bd, num_llis, len, *cctl); + (*total_bytes) += len; } /* @@ -583,13 +566,11 @@ static int pl08x_fill_llis_for_desc(struct pl08x_driver_data *pl08x, struct pl08x_bus_data *mbus, *sbus; struct pl08x_lli_build_data bd; int num_llis = 0; - u32 cctl; - size_t max_bytes_per_lli; - size_t total_bytes = 0; + u32 cctl, early_bytes = 0; + size_t max_bytes_per_lli, total_bytes = 0; struct pl08x_lli *llis_va; - txd->llis_va = dma_pool_alloc(pl08x->pool, GFP_NOWAIT, - &txd->llis_bus); + txd->llis_va = dma_pool_alloc(pl08x->pool, GFP_NOWAIT, &txd->llis_bus); if (!txd->llis_va) { dev_err(&pl08x->adev->dev, "%s no memory for llis\n", __func__); return 0; @@ -619,55 +600,85 @@ static int pl08x_fill_llis_for_desc(struct pl08x_driver_data *pl08x, bd.srcbus.buswidth = bd.srcbus.maxwidth; bd.dstbus.buswidth = bd.dstbus.maxwidth; - /* - * Bytes transferred == tsize * MIN(buswidths), not max(buswidths) - */ - max_bytes_per_lli = min(bd.srcbus.buswidth, bd.dstbus.buswidth) * - PL080_CONTROL_TRANSFER_SIZE_MASK; - /* We need to count this down to zero */ bd.remainder = txd->len; - /* - * Choose bus to align to - * - prefers destination bus if both available - * - if fixed address on one bus chooses other - */ pl08x_choose_master_bus(&bd, &mbus, &sbus, cctl); - dev_vdbg(&pl08x->adev->dev, "src=0x%08x%s/%u dst=0x%08x%s/%u len=%zu llimax=%zu\n", + dev_vdbg(&pl08x->adev->dev, "src=0x%08x%s/%u dst=0x%08x%s/%u len=%zu\n", bd.srcbus.addr, cctl & PL080_CONTROL_SRC_INCR ? "+" : "", bd.srcbus.buswidth, bd.dstbus.addr, cctl & PL080_CONTROL_DST_INCR ? "+" : "", bd.dstbus.buswidth, - bd.remainder, max_bytes_per_lli); + bd.remainder); dev_vdbg(&pl08x->adev->dev, "mbus=%s sbus=%s\n", mbus == &bd.srcbus ? "src" : "dst", sbus == &bd.srcbus ? "src" : "dst"); - if (txd->len < mbus->buswidth) { - /* Less than a bus width available - send as single bytes */ - while (bd.remainder) { - dev_vdbg(&pl08x->adev->dev, - "%s single byte LLIs for a transfer of " - "less than a bus width (remain 0x%08x)\n", - __func__, bd.remainder); - cctl = pl08x_cctl_bits(cctl, 1, 1, 1); - pl08x_fill_lli_for_desc(&bd, num_llis++, 1, cctl); - total_bytes++; + /* + * Zero length is only allowed if all these requirements are met: + * - flow controller is peripheral. + * - src.addr is aligned to src.width + * - dst.addr is aligned to dst.width + * + * sg_len == 1 should be true, as there can be two cases here: + * - Memory addresses are contiguous and are not scattered. Here, Only + * one sg will be passed by user driver, with memory address and zero + * length. We pass this to controller and after the transfer it will + * receive the last burst request from peripheral and so transfer + * finishes. + * + * - Memory addresses are scattered and are not contiguous. Here, + * Obviously as DMA controller doesn't know when a lli's transfer gets + * over, it can't load next lli. So in this case, there has to be an + * assumption that only one lli is supported. Thus, we can't have + * scattered addresses. + */ + if (!bd.remainder) { + u32 fc = (txd->ccfg & PL080_CONFIG_FLOW_CONTROL_MASK) >> + PL080_CONFIG_FLOW_CONTROL_SHIFT; + if (!((fc >= PL080_FLOW_SRC2DST_DST) && + (fc <= PL080_FLOW_SRC2DST_SRC))) { + dev_err(&pl08x->adev->dev, "%s sg len can't be zero", + __func__); + return 0; } - } else { - /* Make one byte LLIs until master bus is aligned */ - while ((mbus->addr) % (mbus->buswidth)) { - dev_vdbg(&pl08x->adev->dev, - "%s adjustment lli for less than bus width " - "(remain 0x%08x)\n", - __func__, bd.remainder); - cctl = pl08x_cctl_bits(cctl, 1, 1, 1); - pl08x_fill_lli_for_desc(&bd, num_llis++, 1, cctl); - total_bytes++; + + if ((bd.srcbus.addr % bd.srcbus.buswidth) || + (bd.srcbus.addr % bd.srcbus.buswidth)) { + dev_err(&pl08x->adev->dev, + "%s src & dst address must be aligned to src" + " & dst width if peripheral is flow controller", + __func__); + return 0; } + cctl = pl08x_cctl_bits(cctl, bd.srcbus.buswidth, + bd.dstbus.buswidth, 0); + pl08x_fill_lli_for_desc(&bd, num_llis++, 0, cctl); + } + + /* + * Send byte by byte for following cases + * - Less than a bus width available + * - until master bus is aligned + */ + if (bd.remainder < mbus->buswidth) + early_bytes = bd.remainder; + else if ((mbus->addr) % (mbus->buswidth)) { + early_bytes = mbus->buswidth - (mbus->addr) % (mbus->buswidth); + if ((bd.remainder - early_bytes) < mbus->buswidth) + early_bytes = bd.remainder; + } + + if (early_bytes) { + dev_vdbg(&pl08x->adev->dev, "%s byte width LLIs " + "(remain 0x%08x)\n", __func__, bd.remainder); + prep_byte_width_lli(&bd, &cctl, early_bytes, num_llis++, + &total_bytes); + } + + if (bd.remainder) { /* * Master now aligned * - if slave is not then we must set its width down @@ -680,138 +691,55 @@ static int pl08x_fill_llis_for_desc(struct pl08x_driver_data *pl08x, sbus->buswidth = 1; } + /* Bytes transferred = tsize * src width, not MIN(buswidths) */ + max_bytes_per_lli = bd.srcbus.buswidth * + PL080_CONTROL_TRANSFER_SIZE_MASK; + /* * Make largest possible LLIs until less than one bus * width left */ while (bd.remainder > (mbus->buswidth - 1)) { - size_t lli_len, target_len, tsize, odd_bytes; + size_t lli_len, tsize, width; /* * If enough left try to send max possible, * otherwise try to send the remainder */ - target_len = min(bd.remainder, max_bytes_per_lli); + lli_len = min(bd.remainder, max_bytes_per_lli); /* - * Set bus lengths for incrementing buses to the - * number of bytes which fill to next memory boundary, - * limiting on the target length calculated above. + * Check against maximum bus alignment: Calculate actual + * transfer size in relation to bus width and get a + * maximum remainder of the highest bus width - 1 */ - if (cctl & PL080_CONTROL_SRC_INCR) - bd.srcbus.fill_bytes = - pl08x_pre_boundary(bd.srcbus.addr, - target_len); - else - bd.srcbus.fill_bytes = target_len; - - if (cctl & PL080_CONTROL_DST_INCR) - bd.dstbus.fill_bytes = - pl08x_pre_boundary(bd.dstbus.addr, - target_len); - else - bd.dstbus.fill_bytes = target_len; - - /* Find the nearest */ - lli_len = min(bd.srcbus.fill_bytes, - bd.dstbus.fill_bytes); - - BUG_ON(lli_len > bd.remainder); - - if (lli_len <= 0) { - dev_err(&pl08x->adev->dev, - "%s lli_len is %zu, <= 0\n", - __func__, lli_len); - return 0; - } - - if (lli_len == target_len) { - /* - * Can send what we wanted. - * Maintain alignment - */ - lli_len = (lli_len/mbus->buswidth) * - mbus->buswidth; - odd_bytes = 0; - } else { - /* - * So now we know how many bytes to transfer - * to get to the nearest boundary. The next - * LLI will past the boundary. However, we - * may be working to a boundary on the slave - * bus. We need to ensure the master stays - * aligned, and that we are working in - * multiples of the bus widths. - */ - odd_bytes = lli_len % mbus->buswidth; - lli_len -= odd_bytes; - - } - - if (lli_len) { - /* - * Check against minimum bus alignment: - * Calculate actual transfer size in relation - * to bus width an get a maximum remainder of - * the smallest bus width - 1 - */ - /* FIXME: use round_down()? */ - tsize = lli_len / min(mbus->buswidth, - sbus->buswidth); - lli_len = tsize * min(mbus->buswidth, - sbus->buswidth); - - if (target_len != lli_len) { - dev_vdbg(&pl08x->adev->dev, - "%s can't send what we want. Desired 0x%08zx, lli of 0x%08zx bytes in txd of 0x%08zx\n", - __func__, target_len, lli_len, txd->len); - } - - cctl = pl08x_cctl_bits(cctl, - bd.srcbus.buswidth, - bd.dstbus.buswidth, - tsize); - - dev_vdbg(&pl08x->adev->dev, - "%s fill lli with single lli chunk of size 0x%08zx (remainder 0x%08zx)\n", - __func__, lli_len, bd.remainder); - pl08x_fill_lli_for_desc(&bd, num_llis++, - lli_len, cctl); - total_bytes += lli_len; - } + width = max(mbus->buswidth, sbus->buswidth); + lli_len = (lli_len / width) * width; + tsize = lli_len / bd.srcbus.buswidth; - - if (odd_bytes) { - /* - * Creep past the boundary, maintaining - * master alignment - */ - int j; - for (j = 0; (j < mbus->buswidth) - && (bd.remainder); j++) { - cctl = pl08x_cctl_bits(cctl, 1, 1, 1); - dev_vdbg(&pl08x->adev->dev, - "%s align with boundary, single byte (remain 0x%08zx)\n", - __func__, bd.remainder); - pl08x_fill_lli_for_desc(&bd, - num_llis++, 1, cctl); - total_bytes++; - } - } + dev_vdbg(&pl08x->adev->dev, + "%s fill lli with single lli chunk of " + "size 0x%08zx (remainder 0x%08zx)\n", + __func__, lli_len, bd.remainder); + + cctl = pl08x_cctl_bits(cctl, bd.srcbus.buswidth, + bd.dstbus.buswidth, tsize); + pl08x_fill_lli_for_desc(&bd, num_llis++, lli_len, cctl); + total_bytes += lli_len; } /* * Send any odd bytes */ - while (bd.remainder) { - cctl = pl08x_cctl_bits(cctl, 1, 1, 1); + if (bd.remainder) { dev_vdbg(&pl08x->adev->dev, - "%s align with boundary, single odd byte (remain %zu)\n", + "%s align with boundary, send odd bytes (remain %zu)\n", __func__, bd.remainder); - pl08x_fill_lli_for_desc(&bd, num_llis++, 1, cctl); - total_bytes++; + prep_byte_width_lli(&bd, &cctl, bd.remainder, + num_llis++, &total_bytes); } } + if (total_bytes != txd->len) { dev_err(&pl08x->adev->dev, "%s size of encoded lli:s don't match total txd, transferred 0x%08zx from size 0x%08zx\n", @@ -917,9 +845,7 @@ static int prep_phy_channel(struct pl08x_dma_chan *plchan, * need, but for slaves the physical signals may be muxed! * Can the platform allow us to use this channel? */ - if (plchan->slave && - ch->signal < 0 && - pl08x->pd->get_signal) { + if (plchan->slave && pl08x->pd->get_signal) { ret = pl08x->pd->get_signal(plchan); if (ret < 0) { dev_dbg(&pl08x->adev->dev, @@ -1008,10 +934,8 @@ static struct dma_async_tx_descriptor *pl08x_prep_dma_interrupt( * If slaves are relying on interrupts to signal completion this function * must not be called with interrupts disabled. */ -static enum dma_status -pl08x_dma_tx_status(struct dma_chan *chan, - dma_cookie_t cookie, - struct dma_tx_state *txstate) +static enum dma_status pl08x_dma_tx_status(struct dma_chan *chan, + dma_cookie_t cookie, struct dma_tx_state *txstate) { struct pl08x_dma_chan *plchan = to_pl08x_chan(chan); dma_cookie_t last_used; @@ -1253,7 +1177,9 @@ static int pl08x_prep_channel_resources(struct pl08x_dma_chan *plchan, num_llis = pl08x_fill_llis_for_desc(pl08x, txd); if (!num_llis) { - kfree(txd); + spin_lock_irqsave(&plchan->lock, flags); + pl08x_free_txd(pl08x, txd); + spin_unlock_irqrestore(&plchan->lock, flags); return -EINVAL; } @@ -1301,7 +1227,7 @@ static int pl08x_prep_channel_resources(struct pl08x_dma_chan *plchan, static struct pl08x_txd *pl08x_get_txd(struct pl08x_dma_chan *plchan, unsigned long flags) { - struct pl08x_txd *txd = kzalloc(sizeof(struct pl08x_txd), GFP_NOWAIT); + struct pl08x_txd *txd = kzalloc(sizeof(*txd), GFP_NOWAIT); if (txd) { dma_async_tx_descriptor_init(&txd->tx, &plchan->chan); @@ -1367,7 +1293,7 @@ static struct dma_async_tx_descriptor *pl08x_prep_slave_sg( struct pl08x_dma_chan *plchan = to_pl08x_chan(chan); struct pl08x_driver_data *pl08x = plchan->host; struct pl08x_txd *txd; - int ret; + int ret, tmp; /* * Current implementation ASSUMES only one sg @@ -1401,12 +1327,10 @@ static struct dma_async_tx_descriptor *pl08x_prep_slave_sg( txd->len = sgl->length; if (direction == DMA_TO_DEVICE) { - txd->ccfg |= PL080_FLOW_MEM2PER << PL080_CONFIG_FLOW_CONTROL_SHIFT; txd->cctl = plchan->dst_cctl; txd->src_addr = sgl->dma_address; txd->dst_addr = plchan->dst_addr; } else if (direction == DMA_FROM_DEVICE) { - txd->ccfg |= PL080_FLOW_PER2MEM << PL080_CONFIG_FLOW_CONTROL_SHIFT; txd->cctl = plchan->src_cctl; txd->src_addr = plchan->src_addr; txd->dst_addr = sgl->dma_address; @@ -1416,6 +1340,15 @@ static struct dma_async_tx_descriptor *pl08x_prep_slave_sg( return NULL; } + if (plchan->cd->device_fc) + tmp = (direction == DMA_TO_DEVICE) ? PL080_FLOW_MEM2PER_PER : + PL080_FLOW_PER2MEM_PER; + else + tmp = (direction == DMA_TO_DEVICE) ? PL080_FLOW_MEM2PER : + PL080_FLOW_PER2MEM; + + txd->ccfg |= tmp << PL080_CONFIG_FLOW_CONTROL_SHIFT; + ret = pl08x_prep_channel_resources(plchan, txd); if (ret) return NULL; @@ -1489,9 +1422,15 @@ static int pl08x_control(struct dma_chan *chan, enum dma_ctrl_cmd cmd, bool pl08x_filter_id(struct dma_chan *chan, void *chan_id) { - struct pl08x_dma_chan *plchan = to_pl08x_chan(chan); + struct pl08x_dma_chan *plchan; char *name = chan_id; + /* Reject channels for devices not bound to this driver */ + if (chan->device->dev->driver != &pl08x_amba_driver.drv) + return false; + + plchan = to_pl08x_chan(chan); + /* Check that the channel is not taken! */ if (!strcmp(plchan->name, name)) return true; @@ -1507,13 +1446,7 @@ bool pl08x_filter_id(struct dma_chan *chan, void *chan_id) */ static void pl08x_ensure_on(struct pl08x_driver_data *pl08x) { - u32 val; - - val = readl(pl08x->base + PL080_CONFIG); - val &= ~(PL080_CONFIG_M2_BE | PL080_CONFIG_M1_BE | PL080_CONFIG_ENABLE); - /* We implicitly clear bit 1 and that means little-endian mode */ - val |= PL080_CONFIG_ENABLE; - writel(val, pl08x->base + PL080_CONFIG); + writel(PL080_CONFIG_ENABLE, pl08x->base + PL080_CONFIG); } static void pl08x_unmap_buffers(struct pl08x_txd *txd) @@ -1589,8 +1522,8 @@ static void pl08x_tasklet(unsigned long data) */ list_for_each_entry(waiting, &pl08x->memcpy.channels, chan.device_node) { - if (waiting->state == PL08X_CHAN_WAITING && - waiting->waiting != NULL) { + if (waiting->state == PL08X_CHAN_WAITING && + waiting->waiting != NULL) { int ret; /* This should REALLY not fail now */ @@ -1630,38 +1563,40 @@ static void pl08x_tasklet(unsigned long data) static irqreturn_t pl08x_irq(int irq, void *dev) { struct pl08x_driver_data *pl08x = dev; - u32 mask = 0; - u32 val; - int i; - - val = readl(pl08x->base + PL080_ERR_STATUS); - if (val) { - /* An error interrupt (on one or more channels) */ - dev_err(&pl08x->adev->dev, - "%s error interrupt, register value 0x%08x\n", - __func__, val); - /* - * Simply clear ALL PL08X error interrupts, - * regardless of channel and cause - * FIXME: should be 0x00000003 on PL081 really. - */ - writel(0x000000FF, pl08x->base + PL080_ERR_CLEAR); + u32 mask = 0, err, tc, i; + + /* check & clear - ERR & TC interrupts */ + err = readl(pl08x->base + PL080_ERR_STATUS); + if (err) { + dev_err(&pl08x->adev->dev, "%s error interrupt, register value 0x%08x\n", + __func__, err); + writel(err, pl08x->base + PL080_ERR_CLEAR); } - val = readl(pl08x->base + PL080_INT_STATUS); + tc = readl(pl08x->base + PL080_INT_STATUS); + if (tc) + writel(tc, pl08x->base + PL080_TC_CLEAR); + + if (!err && !tc) + return IRQ_NONE; + for (i = 0; i < pl08x->vd->channels; i++) { - if ((1 << i) & val) { + if (((1 << i) & err) || ((1 << i) & tc)) { /* Locate physical channel */ struct pl08x_phy_chan *phychan = &pl08x->phy_chans[i]; struct pl08x_dma_chan *plchan = phychan->serving; + if (!plchan) { + dev_err(&pl08x->adev->dev, + "%s Error TC interrupt on unused channel: 0x%08x\n", + __func__, i); + continue; + } + /* Schedule tasklet on this channel */ tasklet_schedule(&plchan->tasklet); - mask |= (1 << i); } } - /* Clear only the terminal interrupts on channels we processed */ - writel(mask, pl08x->base + PL080_TC_CLEAR); return mask ? IRQ_HANDLED : IRQ_NONE; } @@ -1685,9 +1620,7 @@ static void pl08x_dma_slave_init(struct pl08x_dma_chan *chan) * Make a local wrapper to hold required data */ static int pl08x_dma_init_virtual_channels(struct pl08x_driver_data *pl08x, - struct dma_device *dmadev, - unsigned int channels, - bool slave) + struct dma_device *dmadev, unsigned int channels, bool slave) { struct pl08x_dma_chan *chan; int i; @@ -1700,7 +1633,7 @@ static int pl08x_dma_init_virtual_channels(struct pl08x_driver_data *pl08x, * to cope with that situation. */ for (i = 0; i < channels; i++) { - chan = kzalloc(sizeof(struct pl08x_dma_chan), GFP_KERNEL); + chan = kzalloc(sizeof(*chan), GFP_KERNEL); if (!chan) { dev_err(&pl08x->adev->dev, "%s no memory for channel\n", __func__); @@ -1728,7 +1661,7 @@ static int pl08x_dma_init_virtual_channels(struct pl08x_driver_data *pl08x, kfree(chan); continue; } - dev_info(&pl08x->adev->dev, + dev_dbg(&pl08x->adev->dev, "initialize virtual channel \"%s\"\n", chan->name); @@ -1837,9 +1770,9 @@ static const struct file_operations pl08x_debugfs_operations = { static void init_pl08x_debugfs(struct pl08x_driver_data *pl08x) { /* Expose a simple debugfs interface to view all clocks */ - (void) debugfs_create_file(dev_name(&pl08x->adev->dev), S_IFREG | S_IRUGO, - NULL, pl08x, - &pl08x_debugfs_operations); + (void) debugfs_create_file(dev_name(&pl08x->adev->dev), + S_IFREG | S_IRUGO, NULL, pl08x, + &pl08x_debugfs_operations); } #else @@ -1860,12 +1793,15 @@ static int pl08x_probe(struct amba_device *adev, const struct amba_id *id) return ret; /* Create the driver state holder */ - pl08x = kzalloc(sizeof(struct pl08x_driver_data), GFP_KERNEL); + pl08x = kzalloc(sizeof(*pl08x), GFP_KERNEL); if (!pl08x) { ret = -ENOMEM; goto out_no_pl08x; } + pm_runtime_set_active(&adev->dev); + pm_runtime_enable(&adev->dev); + /* Initialize memcpy engine */ dma_cap_set(DMA_MEMCPY, pl08x->memcpy.cap_mask); pl08x->memcpy.dev = &adev->dev; @@ -1939,7 +1875,7 @@ static int pl08x_probe(struct amba_device *adev, const struct amba_id *id) } /* Initialize physical channels */ - pl08x->phy_chans = kmalloc((vd->channels * sizeof(struct pl08x_phy_chan)), + pl08x->phy_chans = kmalloc((vd->channels * sizeof(*pl08x->phy_chans)), GFP_KERNEL); if (!pl08x->phy_chans) { dev_err(&adev->dev, "%s failed to allocate " @@ -1956,9 +1892,8 @@ static int pl08x_probe(struct amba_device *adev, const struct amba_id *id) spin_lock_init(&ch->lock); ch->serving = NULL; ch->signal = -1; - dev_info(&adev->dev, - "physical channel %d is %s\n", i, - pl08x_phy_channel_busy(ch) ? "BUSY" : "FREE"); + dev_dbg(&adev->dev, "physical channel %d is %s\n", + i, pl08x_phy_channel_busy(ch) ? "BUSY" : "FREE"); } /* Register as many memcpy channels as there are physical channels */ @@ -1974,8 +1909,7 @@ static int pl08x_probe(struct amba_device *adev, const struct amba_id *id) /* Register slave channels */ ret = pl08x_dma_init_virtual_channels(pl08x, &pl08x->slave, - pl08x->pd->num_slave_channels, - true); + pl08x->pd->num_slave_channels, true); if (ret <= 0) { dev_warn(&pl08x->adev->dev, "%s failed to enumerate slave channels - %d\n", @@ -2005,6 +1939,8 @@ static int pl08x_probe(struct amba_device *adev, const struct amba_id *id) dev_info(&pl08x->adev->dev, "DMA: PL%03x rev%u at 0x%08llx irq %d\n", amba_part(adev), amba_rev(adev), (unsigned long long)adev->res.start, adev->irq[0]); + + pm_runtime_put(&adev->dev); return 0; out_no_slave_reg: @@ -2023,6 +1959,9 @@ out_no_ioremap: dma_pool_destroy(pl08x->pool); out_no_lli_pool: out_no_platdata: + pm_runtime_put(&adev->dev); + pm_runtime_disable(&adev->dev); + kfree(pl08x); out_no_pl08x: amba_release_regions(adev); diff --git a/drivers/dma/at_hdmac.c b/drivers/dma/at_hdmac.c index 6a483eac7b3f..3b99dc62874b 100644 --- a/drivers/dma/at_hdmac.c +++ b/drivers/dma/at_hdmac.c @@ -107,10 +107,11 @@ static struct at_desc *atc_desc_get(struct at_dma_chan *atchan) { struct at_desc *desc, *_desc; struct at_desc *ret = NULL; + unsigned long flags; unsigned int i = 0; LIST_HEAD(tmp_list); - spin_lock_bh(&atchan->lock); + spin_lock_irqsave(&atchan->lock, flags); list_for_each_entry_safe(desc, _desc, &atchan->free_list, desc_node) { i++; if (async_tx_test_ack(&desc->txd)) { @@ -121,7 +122,7 @@ static struct at_desc *atc_desc_get(struct at_dma_chan *atchan) dev_dbg(chan2dev(&atchan->chan_common), "desc %p not ACKed\n", desc); } - spin_unlock_bh(&atchan->lock); + spin_unlock_irqrestore(&atchan->lock, flags); dev_vdbg(chan2dev(&atchan->chan_common), "scanned %u descriptors on freelist\n", i); @@ -129,9 +130,9 @@ static struct at_desc *atc_desc_get(struct at_dma_chan *atchan) if (!ret) { ret = atc_alloc_descriptor(&atchan->chan_common, GFP_ATOMIC); if (ret) { - spin_lock_bh(&atchan->lock); + spin_lock_irqsave(&atchan->lock, flags); atchan->descs_allocated++; - spin_unlock_bh(&atchan->lock); + spin_unlock_irqrestore(&atchan->lock, flags); } else { dev_err(chan2dev(&atchan->chan_common), "not enough descriptors available\n"); @@ -150,8 +151,9 @@ static void atc_desc_put(struct at_dma_chan *atchan, struct at_desc *desc) { if (desc) { struct at_desc *child; + unsigned long flags; - spin_lock_bh(&atchan->lock); + spin_lock_irqsave(&atchan->lock, flags); list_for_each_entry(child, &desc->tx_list, desc_node) dev_vdbg(chan2dev(&atchan->chan_common), "moving child desc %p to freelist\n", @@ -160,7 +162,7 @@ static void atc_desc_put(struct at_dma_chan *atchan, struct at_desc *desc) dev_vdbg(chan2dev(&atchan->chan_common), "moving desc %p to freelist\n", desc); list_add(&desc->desc_node, &atchan->free_list); - spin_unlock_bh(&atchan->lock); + spin_unlock_irqrestore(&atchan->lock, flags); } } @@ -299,7 +301,7 @@ atc_chain_complete(struct at_dma_chan *atchan, struct at_desc *desc) /* for cyclic transfers, * no need to replay callback function while stopping */ - if (!test_bit(ATC_IS_CYCLIC, &atchan->status)) { + if (!atc_chan_is_cyclic(atchan)) { dma_async_tx_callback callback = txd->callback; void *param = txd->callback_param; @@ -471,16 +473,17 @@ static void atc_handle_cyclic(struct at_dma_chan *atchan) static void atc_tasklet(unsigned long data) { struct at_dma_chan *atchan = (struct at_dma_chan *)data; + unsigned long flags; - spin_lock(&atchan->lock); + spin_lock_irqsave(&atchan->lock, flags); if (test_and_clear_bit(ATC_IS_ERROR, &atchan->status)) atc_handle_error(atchan); - else if (test_bit(ATC_IS_CYCLIC, &atchan->status)) + else if (atc_chan_is_cyclic(atchan)) atc_handle_cyclic(atchan); else atc_advance_work(atchan); - spin_unlock(&atchan->lock); + spin_unlock_irqrestore(&atchan->lock, flags); } static irqreturn_t at_dma_interrupt(int irq, void *dev_id) @@ -539,8 +542,9 @@ static dma_cookie_t atc_tx_submit(struct dma_async_tx_descriptor *tx) struct at_desc *desc = txd_to_at_desc(tx); struct at_dma_chan *atchan = to_at_dma_chan(tx->chan); dma_cookie_t cookie; + unsigned long flags; - spin_lock_bh(&atchan->lock); + spin_lock_irqsave(&atchan->lock, flags); cookie = atc_assign_cookie(atchan, desc); if (list_empty(&atchan->active_list)) { @@ -554,7 +558,7 @@ static dma_cookie_t atc_tx_submit(struct dma_async_tx_descriptor *tx) list_add_tail(&desc->desc_node, &atchan->queue); } - spin_unlock_bh(&atchan->lock); + spin_unlock_irqrestore(&atchan->lock, flags); return cookie; } @@ -927,28 +931,29 @@ static int atc_control(struct dma_chan *chan, enum dma_ctrl_cmd cmd, struct at_dma_chan *atchan = to_at_dma_chan(chan); struct at_dma *atdma = to_at_dma(chan->device); int chan_id = atchan->chan_common.chan_id; + unsigned long flags; LIST_HEAD(list); dev_vdbg(chan2dev(chan), "atc_control (%d)\n", cmd); if (cmd == DMA_PAUSE) { - spin_lock_bh(&atchan->lock); + spin_lock_irqsave(&atchan->lock, flags); dma_writel(atdma, CHER, AT_DMA_SUSP(chan_id)); set_bit(ATC_IS_PAUSED, &atchan->status); - spin_unlock_bh(&atchan->lock); + spin_unlock_irqrestore(&atchan->lock, flags); } else if (cmd == DMA_RESUME) { - if (!test_bit(ATC_IS_PAUSED, &atchan->status)) + if (!atc_chan_is_paused(atchan)) return 0; - spin_lock_bh(&atchan->lock); + spin_lock_irqsave(&atchan->lock, flags); dma_writel(atdma, CHDR, AT_DMA_RES(chan_id)); clear_bit(ATC_IS_PAUSED, &atchan->status); - spin_unlock_bh(&atchan->lock); + spin_unlock_irqrestore(&atchan->lock, flags); } else if (cmd == DMA_TERMINATE_ALL) { struct at_desc *desc, *_desc; /* @@ -957,7 +962,7 @@ static int atc_control(struct dma_chan *chan, enum dma_ctrl_cmd cmd, * channel. We still have to poll the channel enable bit due * to AHB/HSB limitations. */ - spin_lock_bh(&atchan->lock); + spin_lock_irqsave(&atchan->lock, flags); /* disabling channel: must also remove suspend state */ dma_writel(atdma, CHDR, AT_DMA_RES(chan_id) | atchan->mask); @@ -978,7 +983,7 @@ static int atc_control(struct dma_chan *chan, enum dma_ctrl_cmd cmd, /* if channel dedicated to cyclic operations, free it */ clear_bit(ATC_IS_CYCLIC, &atchan->status); - spin_unlock_bh(&atchan->lock); + spin_unlock_irqrestore(&atchan->lock, flags); } else { return -ENXIO; } @@ -1004,9 +1009,10 @@ atc_tx_status(struct dma_chan *chan, struct at_dma_chan *atchan = to_at_dma_chan(chan); dma_cookie_t last_used; dma_cookie_t last_complete; + unsigned long flags; enum dma_status ret; - spin_lock_bh(&atchan->lock); + spin_lock_irqsave(&atchan->lock, flags); last_complete = atchan->completed_cookie; last_used = chan->cookie; @@ -1021,7 +1027,7 @@ atc_tx_status(struct dma_chan *chan, ret = dma_async_is_complete(cookie, last_complete, last_used); } - spin_unlock_bh(&atchan->lock); + spin_unlock_irqrestore(&atchan->lock, flags); if (ret != DMA_SUCCESS) dma_set_tx_state(txstate, last_complete, last_used, @@ -1029,7 +1035,7 @@ atc_tx_status(struct dma_chan *chan, else dma_set_tx_state(txstate, last_complete, last_used, 0); - if (test_bit(ATC_IS_PAUSED, &atchan->status)) + if (atc_chan_is_paused(atchan)) ret = DMA_PAUSED; dev_vdbg(chan2dev(chan), "tx_status %d: cookie = %d (d%d, u%d)\n", @@ -1046,18 +1052,19 @@ atc_tx_status(struct dma_chan *chan, static void atc_issue_pending(struct dma_chan *chan) { struct at_dma_chan *atchan = to_at_dma_chan(chan); + unsigned long flags; dev_vdbg(chan2dev(chan), "issue_pending\n"); /* Not needed for cyclic transfers */ - if (test_bit(ATC_IS_CYCLIC, &atchan->status)) + if (atc_chan_is_cyclic(atchan)) return; - spin_lock_bh(&atchan->lock); + spin_lock_irqsave(&atchan->lock, flags); if (!atc_chan_is_enabled(atchan)) { atc_advance_work(atchan); } - spin_unlock_bh(&atchan->lock); + spin_unlock_irqrestore(&atchan->lock, flags); } /** @@ -1073,6 +1080,7 @@ static int atc_alloc_chan_resources(struct dma_chan *chan) struct at_dma *atdma = to_at_dma(chan->device); struct at_desc *desc; struct at_dma_slave *atslave; + unsigned long flags; int i; u32 cfg; LIST_HEAD(tmp_list); @@ -1116,11 +1124,11 @@ static int atc_alloc_chan_resources(struct dma_chan *chan) list_add_tail(&desc->desc_node, &tmp_list); } - spin_lock_bh(&atchan->lock); + spin_lock_irqsave(&atchan->lock, flags); atchan->descs_allocated = i; list_splice(&tmp_list, &atchan->free_list); atchan->completed_cookie = chan->cookie = 1; - spin_unlock_bh(&atchan->lock); + spin_unlock_irqrestore(&atchan->lock, flags); /* channel parameters */ channel_writel(atchan, CFG, cfg); @@ -1293,15 +1301,13 @@ static int __init at_dma_probe(struct platform_device *pdev) if (dma_has_cap(DMA_MEMCPY, atdma->dma_common.cap_mask)) atdma->dma_common.device_prep_dma_memcpy = atc_prep_dma_memcpy; - if (dma_has_cap(DMA_SLAVE, atdma->dma_common.cap_mask)) + if (dma_has_cap(DMA_SLAVE, atdma->dma_common.cap_mask)) { atdma->dma_common.device_prep_slave_sg = atc_prep_slave_sg; - - if (dma_has_cap(DMA_CYCLIC, atdma->dma_common.cap_mask)) + /* controller can do slave DMA: can trigger cyclic transfers */ + dma_cap_set(DMA_CYCLIC, atdma->dma_common.cap_mask); atdma->dma_common.device_prep_dma_cyclic = atc_prep_dma_cyclic; - - if (dma_has_cap(DMA_SLAVE, atdma->dma_common.cap_mask) || - dma_has_cap(DMA_CYCLIC, atdma->dma_common.cap_mask)) atdma->dma_common.device_control = atc_control; + } dma_writel(atdma, EN, AT_DMA_ENABLE); @@ -1377,27 +1383,112 @@ static void at_dma_shutdown(struct platform_device *pdev) clk_disable(atdma->clk); } +static int at_dma_prepare(struct device *dev) +{ + struct platform_device *pdev = to_platform_device(dev); + struct at_dma *atdma = platform_get_drvdata(pdev); + struct dma_chan *chan, *_chan; + + list_for_each_entry_safe(chan, _chan, &atdma->dma_common.channels, + device_node) { + struct at_dma_chan *atchan = to_at_dma_chan(chan); + /* wait for transaction completion (except in cyclic case) */ + if (atc_chan_is_enabled(atchan) && !atc_chan_is_cyclic(atchan)) + return -EAGAIN; + } + return 0; +} + +static void atc_suspend_cyclic(struct at_dma_chan *atchan) +{ + struct dma_chan *chan = &atchan->chan_common; + + /* Channel should be paused by user + * do it anyway even if it is not done already */ + if (!atc_chan_is_paused(atchan)) { + dev_warn(chan2dev(chan), + "cyclic channel not paused, should be done by channel user\n"); + atc_control(chan, DMA_PAUSE, 0); + } + + /* now preserve additional data for cyclic operations */ + /* next descriptor address in the cyclic list */ + atchan->save_dscr = channel_readl(atchan, DSCR); + + vdbg_dump_regs(atchan); +} + static int at_dma_suspend_noirq(struct device *dev) { struct platform_device *pdev = to_platform_device(dev); struct at_dma *atdma = platform_get_drvdata(pdev); + struct dma_chan *chan, *_chan; - at_dma_off(platform_get_drvdata(pdev)); + /* preserve data */ + list_for_each_entry_safe(chan, _chan, &atdma->dma_common.channels, + device_node) { + struct at_dma_chan *atchan = to_at_dma_chan(chan); + + if (atc_chan_is_cyclic(atchan)) + atc_suspend_cyclic(atchan); + atchan->save_cfg = channel_readl(atchan, CFG); + } + atdma->save_imr = dma_readl(atdma, EBCIMR); + + /* disable DMA controller */ + at_dma_off(atdma); clk_disable(atdma->clk); return 0; } +static void atc_resume_cyclic(struct at_dma_chan *atchan) +{ + struct at_dma *atdma = to_at_dma(atchan->chan_common.device); + + /* restore channel status for cyclic descriptors list: + * next descriptor in the cyclic list at the time of suspend */ + channel_writel(atchan, SADDR, 0); + channel_writel(atchan, DADDR, 0); + channel_writel(atchan, CTRLA, 0); + channel_writel(atchan, CTRLB, 0); + channel_writel(atchan, DSCR, atchan->save_dscr); + dma_writel(atdma, CHER, atchan->mask); + + /* channel pause status should be removed by channel user + * We cannot take the initiative to do it here */ + + vdbg_dump_regs(atchan); +} + static int at_dma_resume_noirq(struct device *dev) { struct platform_device *pdev = to_platform_device(dev); struct at_dma *atdma = platform_get_drvdata(pdev); + struct dma_chan *chan, *_chan; + /* bring back DMA controller */ clk_enable(atdma->clk); dma_writel(atdma, EN, AT_DMA_ENABLE); + + /* clear any pending interrupt */ + while (dma_readl(atdma, EBCISR)) + cpu_relax(); + + /* restore saved data */ + dma_writel(atdma, EBCIER, atdma->save_imr); + list_for_each_entry_safe(chan, _chan, &atdma->dma_common.channels, + device_node) { + struct at_dma_chan *atchan = to_at_dma_chan(chan); + + channel_writel(atchan, CFG, atchan->save_cfg); + if (atc_chan_is_cyclic(atchan)) + atc_resume_cyclic(atchan); + } return 0; } static const struct dev_pm_ops at_dma_dev_pm_ops = { + .prepare = at_dma_prepare, .suspend_noirq = at_dma_suspend_noirq, .resume_noirq = at_dma_resume_noirq, }; diff --git a/drivers/dma/at_hdmac_regs.h b/drivers/dma/at_hdmac_regs.h index 087dbf1dd39c..aa4c9aebab7c 100644 --- a/drivers/dma/at_hdmac_regs.h +++ b/drivers/dma/at_hdmac_regs.h @@ -204,6 +204,9 @@ enum atc_status { * @status: transmit status information from irq/prep* functions * to tasklet (use atomic operations) * @tasklet: bottom half to finish transaction work + * @save_cfg: configuration register that is saved on suspend/resume cycle + * @save_dscr: for cyclic operations, preserve next descriptor address in + * the cyclic list on suspend/resume cycle * @lock: serializes enqueue/dequeue operations to descriptors lists * @completed_cookie: identifier for the most recently completed operation * @active_list: list of descriptors dmaengine is being running on @@ -218,6 +221,8 @@ struct at_dma_chan { u8 mask; unsigned long status; struct tasklet_struct tasklet; + u32 save_cfg; + u32 save_dscr; spinlock_t lock; @@ -248,6 +253,7 @@ static inline struct at_dma_chan *to_at_dma_chan(struct dma_chan *dchan) * @chan_common: common dmaengine dma_device object members * @ch_regs: memory mapped register base * @clk: dma controller clock + * @save_imr: interrupt mask register that is saved on suspend/resume cycle * @all_chan_mask: all channels availlable in a mask * @dma_desc_pool: base of DMA descriptor region (DMA address) * @chan: channels table to store at_dma_chan structures @@ -256,6 +262,7 @@ struct at_dma { struct dma_device dma_common; void __iomem *regs; struct clk *clk; + u32 save_imr; u8 all_chan_mask; @@ -355,6 +362,23 @@ static inline int atc_chan_is_enabled(struct at_dma_chan *atchan) return !!(dma_readl(atdma, CHSR) & atchan->mask); } +/** + * atc_chan_is_paused - test channel pause/resume status + * @atchan: channel we want to test status + */ +static inline int atc_chan_is_paused(struct at_dma_chan *atchan) +{ + return test_bit(ATC_IS_PAUSED, &atchan->status); +} + +/** + * atc_chan_is_cyclic - test if given channel has cyclic property set + * @atchan: channel we want to test status + */ +static inline int atc_chan_is_cyclic(struct at_dma_chan *atchan) +{ + return test_bit(ATC_IS_CYCLIC, &atchan->status); +} /** * set_desc_eol - set end-of-link to descriptor so it will end transfer diff --git a/drivers/dma/dmatest.c b/drivers/dma/dmatest.c index 765f5ff22304..eb1d8641cf5c 100644 --- a/drivers/dma/dmatest.c +++ b/drivers/dma/dmatest.c @@ -10,6 +10,7 @@ #include <linux/delay.h> #include <linux/dma-mapping.h> #include <linux/dmaengine.h> +#include <linux/freezer.h> #include <linux/init.h> #include <linux/kthread.h> #include <linux/module.h> @@ -251,6 +252,7 @@ static int dmatest_func(void *data) int i; thread_name = current->comm; + set_freezable_with_signal(); ret = -ENOMEM; @@ -305,7 +307,8 @@ static int dmatest_func(void *data) dma_addr_t dma_srcs[src_cnt]; dma_addr_t dma_dsts[dst_cnt]; struct completion cmp; - unsigned long tmo = msecs_to_jiffies(timeout); + unsigned long start, tmo, end = 0 /* compiler... */; + bool reload = true; u8 align = 0; total_tests++; @@ -404,7 +407,17 @@ static int dmatest_func(void *data) } dma_async_issue_pending(chan); - tmo = wait_for_completion_timeout(&cmp, tmo); + do { + start = jiffies; + if (reload) + end = start + msecs_to_jiffies(timeout); + else if (end <= start) + end = start + 1; + tmo = wait_for_completion_interruptible_timeout(&cmp, + end - start); + reload = try_to_freeze(); + } while (tmo == -ERESTARTSYS); + status = dma_async_is_tx_complete(chan, cookie, NULL, NULL); if (tmo == 0) { @@ -477,6 +490,8 @@ err_srcs: pr_notice("%s: terminating after %u tests, %u failures (status %d)\n", thread_name, total_tests, failed_tests, ret); + /* terminate all transfers on specified channels */ + chan->device->device_control(chan, DMA_TERMINATE_ALL, 0); if (iterations > 0) while (!kthread_should_stop()) { DECLARE_WAIT_QUEUE_HEAD_ONSTACK(wait_dmatest_exit); @@ -499,6 +514,10 @@ static void dmatest_cleanup_channel(struct dmatest_chan *dtc) list_del(&thread->node); kfree(thread); } + + /* terminate all transfers on specified channels */ + dtc->chan->device->device_control(dtc->chan, DMA_TERMINATE_ALL, 0); + kfree(dtc); } diff --git a/drivers/dma/imx-sdma.c b/drivers/dma/imx-sdma.c index 7bd7e98548cd..b5cc27dc9a51 100644 --- a/drivers/dma/imx-sdma.c +++ b/drivers/dma/imx-sdma.c @@ -318,6 +318,7 @@ struct sdma_engine { dma_addr_t context_phys; struct dma_device dma_device; struct clk *clk; + struct mutex channel_0_lock; struct sdma_script_start_addrs *script_addrs; }; @@ -415,11 +416,15 @@ static int sdma_load_script(struct sdma_engine *sdma, void *buf, int size, dma_addr_t buf_phys; int ret; + mutex_lock(&sdma->channel_0_lock); + buf_virt = dma_alloc_coherent(NULL, size, &buf_phys, GFP_KERNEL); - if (!buf_virt) - return -ENOMEM; + if (!buf_virt) { + ret = -ENOMEM; + goto err_out; + } bd0->mode.command = C0_SETPM; bd0->mode.status = BD_DONE | BD_INTR | BD_WRAP | BD_EXTD; @@ -433,6 +438,9 @@ static int sdma_load_script(struct sdma_engine *sdma, void *buf, int size, dma_free_coherent(NULL, size, buf_virt, buf_phys); +err_out: + mutex_unlock(&sdma->channel_0_lock); + return ret; } @@ -656,6 +664,8 @@ static int sdma_load_context(struct sdma_channel *sdmac) dev_dbg(sdma->dev, "event_mask0 = 0x%08x\n", sdmac->event_mask0); dev_dbg(sdma->dev, "event_mask1 = 0x%08x\n", sdmac->event_mask1); + mutex_lock(&sdma->channel_0_lock); + memset(context, 0, sizeof(*context)); context->channel_state.pc = load_address; @@ -676,6 +686,8 @@ static int sdma_load_context(struct sdma_channel *sdmac) ret = sdma_run_channel(&sdma->channel[0]); + mutex_unlock(&sdma->channel_0_lock); + return ret; } @@ -1131,18 +1143,17 @@ static void sdma_add_scripts(struct sdma_engine *sdma, saddr_arr[i] = addr_arr[i]; } -static int __init sdma_get_firmware(struct sdma_engine *sdma, - const char *fw_name) +static void sdma_load_firmware(const struct firmware *fw, void *context) { - const struct firmware *fw; + struct sdma_engine *sdma = context; const struct sdma_firmware_header *header; - int ret; const struct sdma_script_start_addrs *addr; unsigned short *ram_code; - ret = request_firmware(&fw, fw_name, sdma->dev); - if (ret) - return ret; + if (!fw) { + dev_err(sdma->dev, "firmware not found\n"); + return; + } if (fw->size < sizeof(*header)) goto err_firmware; @@ -1172,6 +1183,16 @@ static int __init sdma_get_firmware(struct sdma_engine *sdma, err_firmware: release_firmware(fw); +} + +static int __init sdma_get_firmware(struct sdma_engine *sdma, + const char *fw_name) +{ + int ret; + + ret = request_firmware_nowait(THIS_MODULE, + FW_ACTION_HOTPLUG, fw_name, sdma->dev, + GFP_KERNEL, sdma, sdma_load_firmware); return ret; } @@ -1269,11 +1290,14 @@ static int __init sdma_probe(struct platform_device *pdev) struct sdma_platform_data *pdata = pdev->dev.platform_data; int i; struct sdma_engine *sdma; + s32 *saddr_arr; sdma = kzalloc(sizeof(*sdma), GFP_KERNEL); if (!sdma) return -ENOMEM; + mutex_init(&sdma->channel_0_lock); + sdma->dev = &pdev->dev; iores = platform_get_resource(pdev, IORESOURCE_MEM, 0); @@ -1310,6 +1334,11 @@ static int __init sdma_probe(struct platform_device *pdev) goto err_alloc; } + /* initially no scripts available */ + saddr_arr = (s32 *)sdma->script_addrs; + for (i = 0; i < SDMA_SCRIPT_ADDRS_ARRAY_SIZE_V1; i++) + saddr_arr[i] = -EINVAL; + if (of_id) pdev->id_entry = of_id->data; sdma->devtype = pdev->id_entry->driver_data; diff --git a/drivers/dma/mxs-dma.c b/drivers/dma/mxs-dma.c index be641cbd36fc..b4588bdd98bb 100644 --- a/drivers/dma/mxs-dma.c +++ b/drivers/dma/mxs-dma.c @@ -130,6 +130,23 @@ struct mxs_dma_engine { struct mxs_dma_chan mxs_chans[MXS_DMA_CHANNELS]; }; +static inline void mxs_dma_clkgate(struct mxs_dma_chan *mxs_chan, int enable) +{ + struct mxs_dma_engine *mxs_dma = mxs_chan->mxs_dma; + int chan_id = mxs_chan->chan.chan_id; + int set_clr = enable ? MXS_CLR_ADDR : MXS_SET_ADDR; + + /* enable apbh channel clock */ + if (dma_is_apbh()) { + if (apbh_is_old()) + writel(1 << (chan_id + BP_APBH_CTRL0_CLKGATE_CHANNEL), + mxs_dma->base + HW_APBHX_CTRL0 + set_clr); + else + writel(1 << chan_id, + mxs_dma->base + HW_APBHX_CTRL0 + set_clr); + } +} + static void mxs_dma_reset_chan(struct mxs_dma_chan *mxs_chan) { struct mxs_dma_engine *mxs_dma = mxs_chan->mxs_dma; @@ -148,38 +165,21 @@ static void mxs_dma_enable_chan(struct mxs_dma_chan *mxs_chan) struct mxs_dma_engine *mxs_dma = mxs_chan->mxs_dma; int chan_id = mxs_chan->chan.chan_id; + /* clkgate needs to be enabled before writing other registers */ + mxs_dma_clkgate(mxs_chan, 1); + /* set cmd_addr up */ writel(mxs_chan->ccw_phys, mxs_dma->base + HW_APBHX_CHn_NXTCMDAR(chan_id)); - /* enable apbh channel clock */ - if (dma_is_apbh()) { - if (apbh_is_old()) - writel(1 << (chan_id + BP_APBH_CTRL0_CLKGATE_CHANNEL), - mxs_dma->base + HW_APBHX_CTRL0 + MXS_CLR_ADDR); - else - writel(1 << chan_id, - mxs_dma->base + HW_APBHX_CTRL0 + MXS_CLR_ADDR); - } - /* write 1 to SEMA to kick off the channel */ writel(1, mxs_dma->base + HW_APBHX_CHn_SEMA(chan_id)); } static void mxs_dma_disable_chan(struct mxs_dma_chan *mxs_chan) { - struct mxs_dma_engine *mxs_dma = mxs_chan->mxs_dma; - int chan_id = mxs_chan->chan.chan_id; - /* disable apbh channel clock */ - if (dma_is_apbh()) { - if (apbh_is_old()) - writel(1 << (chan_id + BP_APBH_CTRL0_CLKGATE_CHANNEL), - mxs_dma->base + HW_APBHX_CTRL0 + MXS_SET_ADDR); - else - writel(1 << chan_id, - mxs_dma->base + HW_APBHX_CTRL0 + MXS_SET_ADDR); - } + mxs_dma_clkgate(mxs_chan, 0); mxs_chan->status = DMA_SUCCESS; } @@ -338,7 +338,10 @@ static int mxs_dma_alloc_chan_resources(struct dma_chan *chan) if (ret) goto err_clk; + /* clkgate needs to be enabled for reset to finish */ + mxs_dma_clkgate(mxs_chan, 1); mxs_dma_reset_chan(mxs_chan); + mxs_dma_clkgate(mxs_chan, 0); dma_async_tx_descriptor_init(&mxs_chan->desc, chan); mxs_chan->desc.tx_submit = mxs_dma_tx_submit; diff --git a/drivers/dma/pl330.c b/drivers/dma/pl330.c index 00eee59e8b33..621134fdba4c 100644 --- a/drivers/dma/pl330.c +++ b/drivers/dma/pl330.c @@ -17,6 +17,8 @@ #include <linux/interrupt.h> #include <linux/amba/bus.h> #include <linux/amba/pl330.h> +#include <linux/pm_runtime.h> +#include <linux/scatterlist.h> #define NR_DEFAULT_DESC 16 @@ -68,6 +70,14 @@ struct dma_pl330_chan { * NULL if the channel is available to be acquired. */ void *pl330_chid; + + /* For D-to-M and M-to-D channels */ + int burst_sz; /* the peripheral fifo width */ + int burst_len; /* the number of burst */ + dma_addr_t fifo_addr; + + /* for cyclic capability */ + bool cyclic; }; struct dma_pl330_dmac { @@ -83,6 +93,8 @@ struct dma_pl330_dmac { /* Peripheral channels connected to this DMAC */ struct dma_pl330_chan *peripherals; /* keep at end */ + + struct clk *clk; }; struct dma_pl330_desc { @@ -152,6 +164,31 @@ static inline void free_desc_list(struct list_head *list) spin_unlock_irqrestore(&pdmac->pool_lock, flags); } +static inline void handle_cyclic_desc_list(struct list_head *list) +{ + struct dma_pl330_desc *desc; + struct dma_pl330_chan *pch; + unsigned long flags; + + if (list_empty(list)) + return; + + list_for_each_entry(desc, list, node) { + dma_async_tx_callback callback; + + /* Change status to reload it */ + desc->status = PREP; + pch = desc->pchan; + callback = desc->txd.callback; + if (callback) + callback(desc->txd.callback_param); + } + + spin_lock_irqsave(&pch->lock, flags); + list_splice_tail_init(list, &pch->work_list); + spin_unlock_irqrestore(&pch->lock, flags); +} + static inline void fill_queue(struct dma_pl330_chan *pch) { struct dma_pl330_desc *desc; @@ -205,7 +242,10 @@ static void pl330_tasklet(unsigned long data) spin_unlock_irqrestore(&pch->lock, flags); - free_desc_list(&list); + if (pch->cyclic) + handle_cyclic_desc_list(&list); + else + free_desc_list(&list); } static void dma_pl330_rqcb(void *token, enum pl330_op_err err) @@ -236,6 +276,7 @@ static int pl330_alloc_chan_resources(struct dma_chan *chan) spin_lock_irqsave(&pch->lock, flags); pch->completed = chan->cookie = 1; + pch->cyclic = false; pch->pl330_chid = pl330_request_channel(&pdmac->pif); if (!pch->pl330_chid) { @@ -253,25 +294,52 @@ static int pl330_alloc_chan_resources(struct dma_chan *chan) static int pl330_control(struct dma_chan *chan, enum dma_ctrl_cmd cmd, unsigned long arg) { struct dma_pl330_chan *pch = to_pchan(chan); - struct dma_pl330_desc *desc; + struct dma_pl330_desc *desc, *_dt; unsigned long flags; + struct dma_pl330_dmac *pdmac = pch->dmac; + struct dma_slave_config *slave_config; + LIST_HEAD(list); - /* Only supports DMA_TERMINATE_ALL */ - if (cmd != DMA_TERMINATE_ALL) - return -ENXIO; - - spin_lock_irqsave(&pch->lock, flags); - - /* FLUSH the PL330 Channel thread */ - pl330_chan_ctrl(pch->pl330_chid, PL330_OP_FLUSH); + switch (cmd) { + case DMA_TERMINATE_ALL: + spin_lock_irqsave(&pch->lock, flags); - /* Mark all desc done */ - list_for_each_entry(desc, &pch->work_list, node) - desc->status = DONE; + /* FLUSH the PL330 Channel thread */ + pl330_chan_ctrl(pch->pl330_chid, PL330_OP_FLUSH); - spin_unlock_irqrestore(&pch->lock, flags); + /* Mark all desc done */ + list_for_each_entry_safe(desc, _dt, &pch->work_list , node) { + desc->status = DONE; + pch->completed = desc->txd.cookie; + list_move_tail(&desc->node, &list); + } - pl330_tasklet((unsigned long) pch); + list_splice_tail_init(&list, &pdmac->desc_pool); + spin_unlock_irqrestore(&pch->lock, flags); + break; + case DMA_SLAVE_CONFIG: + slave_config = (struct dma_slave_config *)arg; + + if (slave_config->direction == DMA_TO_DEVICE) { + if (slave_config->dst_addr) + pch->fifo_addr = slave_config->dst_addr; + if (slave_config->dst_addr_width) + pch->burst_sz = __ffs(slave_config->dst_addr_width); + if (slave_config->dst_maxburst) + pch->burst_len = slave_config->dst_maxburst; + } else if (slave_config->direction == DMA_FROM_DEVICE) { + if (slave_config->src_addr) + pch->fifo_addr = slave_config->src_addr; + if (slave_config->src_addr_width) + pch->burst_sz = __ffs(slave_config->src_addr_width); + if (slave_config->src_maxburst) + pch->burst_len = slave_config->src_maxburst; + } + break; + default: + dev_err(pch->dmac->pif.dev, "Not supported command.\n"); + return -ENXIO; + } return 0; } @@ -288,6 +356,9 @@ static void pl330_free_chan_resources(struct dma_chan *chan) pl330_release_channel(pch->pl330_chid); pch->pl330_chid = NULL; + if (pch->cyclic) + list_splice_tail_init(&pch->work_list, &pch->dmac->desc_pool); + spin_unlock_irqrestore(&pch->lock, flags); } @@ -453,7 +524,7 @@ static struct dma_pl330_desc *pl330_get_desc(struct dma_pl330_chan *pch) if (peri) { desc->req.rqtype = peri->rqtype; - desc->req.peri = peri->peri_id; + desc->req.peri = pch->chan.chan_id; } else { desc->req.rqtype = MEMTOMEM; desc->req.peri = 0; @@ -524,6 +595,51 @@ static inline int get_burst_len(struct dma_pl330_desc *desc, size_t len) return burst_len; } +static struct dma_async_tx_descriptor *pl330_prep_dma_cyclic( + struct dma_chan *chan, dma_addr_t dma_addr, size_t len, + size_t period_len, enum dma_data_direction direction) +{ + struct dma_pl330_desc *desc; + struct dma_pl330_chan *pch = to_pchan(chan); + dma_addr_t dst; + dma_addr_t src; + + desc = pl330_get_desc(pch); + if (!desc) { + dev_err(pch->dmac->pif.dev, "%s:%d Unable to fetch desc\n", + __func__, __LINE__); + return NULL; + } + + switch (direction) { + case DMA_TO_DEVICE: + desc->rqcfg.src_inc = 1; + desc->rqcfg.dst_inc = 0; + src = dma_addr; + dst = pch->fifo_addr; + break; + case DMA_FROM_DEVICE: + desc->rqcfg.src_inc = 0; + desc->rqcfg.dst_inc = 1; + src = pch->fifo_addr; + dst = dma_addr; + break; + default: + dev_err(pch->dmac->pif.dev, "%s:%d Invalid dma direction\n", + __func__, __LINE__); + return NULL; + } + + desc->rqcfg.brst_size = pch->burst_sz; + desc->rqcfg.brst_len = 1; + + pch->cyclic = true; + + fill_px(&desc->px, dst, src, period_len); + + return &desc->txd; +} + static struct dma_async_tx_descriptor * pl330_prep_dma_memcpy(struct dma_chan *chan, dma_addr_t dst, dma_addr_t src, size_t len, unsigned long flags) @@ -579,7 +695,7 @@ pl330_prep_slave_sg(struct dma_chan *chan, struct scatterlist *sgl, struct dma_pl330_peri *peri = chan->private; struct scatterlist *sg; unsigned long flags; - int i, burst_size; + int i; dma_addr_t addr; if (unlikely(!pch || !sgl || !sg_len || !peri)) @@ -595,8 +711,7 @@ pl330_prep_slave_sg(struct dma_chan *chan, struct scatterlist *sgl, return NULL; } - addr = peri->fifo_addr; - burst_size = peri->burst_sz; + addr = pch->fifo_addr; first = NULL; @@ -644,7 +759,7 @@ pl330_prep_slave_sg(struct dma_chan *chan, struct scatterlist *sgl, sg_dma_address(sg), addr, sg_dma_len(sg)); } - desc->rqcfg.brst_size = burst_size; + desc->rqcfg.brst_size = pch->burst_sz; desc->rqcfg.brst_len = 1; } @@ -696,6 +811,30 @@ pl330_probe(struct amba_device *adev, const struct amba_id *id) goto probe_err1; } + pdmac->clk = clk_get(&adev->dev, "dma"); + if (IS_ERR(pdmac->clk)) { + dev_err(&adev->dev, "Cannot get operation clock.\n"); + ret = -EINVAL; + goto probe_err1; + } + + amba_set_drvdata(adev, pdmac); + +#ifdef CONFIG_PM_RUNTIME + /* to use the runtime PM helper functions */ + pm_runtime_enable(&adev->dev); + + /* enable the power domain */ + if (pm_runtime_get_sync(&adev->dev)) { + dev_err(&adev->dev, "failed to get runtime pm\n"); + ret = -ENODEV; + goto probe_err1; + } +#else + /* enable dma clk */ + clk_enable(pdmac->clk); +#endif + irq = adev->irq[0]; ret = request_irq(irq, pl330_irq_handler, 0, dev_name(&adev->dev), pi); @@ -732,6 +871,7 @@ pl330_probe(struct amba_device *adev, const struct amba_id *id) case MEMTODEV: case DEVTOMEM: dma_cap_set(DMA_SLAVE, pd->cap_mask); + dma_cap_set(DMA_CYCLIC, pd->cap_mask); break; default: dev_err(&adev->dev, "DEVTODEV Not Supported\n"); @@ -760,6 +900,7 @@ pl330_probe(struct amba_device *adev, const struct amba_id *id) pd->device_alloc_chan_resources = pl330_alloc_chan_resources; pd->device_free_chan_resources = pl330_free_chan_resources; pd->device_prep_dma_memcpy = pl330_prep_dma_memcpy; + pd->device_prep_dma_cyclic = pl330_prep_dma_cyclic; pd->device_tx_status = pl330_tx_status; pd->device_prep_slave_sg = pl330_prep_slave_sg; pd->device_control = pl330_control; @@ -771,8 +912,6 @@ pl330_probe(struct amba_device *adev, const struct amba_id *id) goto probe_err4; } - amba_set_drvdata(adev, pdmac); - dev_info(&adev->dev, "Loaded driver for PL330 DMAC-%d\n", adev->periphid); dev_info(&adev->dev, @@ -833,6 +972,13 @@ static int __devexit pl330_remove(struct amba_device *adev) res = &adev->res; release_mem_region(res->start, resource_size(res)); +#ifdef CONFIG_PM_RUNTIME + pm_runtime_put(&adev->dev); + pm_runtime_disable(&adev->dev); +#else + clk_disable(pdmac->clk); +#endif + kfree(pdmac); return 0; @@ -846,10 +992,49 @@ static struct amba_id pl330_ids[] = { { 0, 0 }, }; +#ifdef CONFIG_PM_RUNTIME +static int pl330_runtime_suspend(struct device *dev) +{ + struct dma_pl330_dmac *pdmac = dev_get_drvdata(dev); + + if (!pdmac) { + dev_err(dev, "failed to get dmac\n"); + return -ENODEV; + } + + clk_disable(pdmac->clk); + + return 0; +} + +static int pl330_runtime_resume(struct device *dev) +{ + struct dma_pl330_dmac *pdmac = dev_get_drvdata(dev); + + if (!pdmac) { + dev_err(dev, "failed to get dmac\n"); + return -ENODEV; + } + + clk_enable(pdmac->clk); + + return 0; +} +#else +#define pl330_runtime_suspend NULL +#define pl330_runtime_resume NULL +#endif /* CONFIG_PM_RUNTIME */ + +static const struct dev_pm_ops pl330_pm_ops = { + .runtime_suspend = pl330_runtime_suspend, + .runtime_resume = pl330_runtime_resume, +}; + static struct amba_driver pl330_driver = { .drv = { .owner = THIS_MODULE, .name = "dma-pl330", + .pm = &pl330_pm_ops, }, .id_table = pl330_ids, .probe = pl330_probe, diff --git a/drivers/firewire/ohci.c b/drivers/firewire/ohci.c index 57cd3a406edf..fd7170a9ad2c 100644 --- a/drivers/firewire/ohci.c +++ b/drivers/firewire/ohci.c @@ -290,6 +290,9 @@ static const struct { {PCI_VENDOR_ID_NEC, PCI_ANY_ID, PCI_ANY_ID, QUIRK_CYCLE_TIMER}, + {PCI_VENDOR_ID_O2, PCI_ANY_ID, PCI_ANY_ID, + QUIRK_NO_MSI}, + {PCI_VENDOR_ID_RICOH, PCI_ANY_ID, PCI_ANY_ID, QUIRK_CYCLE_TIMER}, diff --git a/drivers/gpio/Kconfig b/drivers/gpio/Kconfig index d539efd96d4b..ca44d2cceb02 100644 --- a/drivers/gpio/Kconfig +++ b/drivers/gpio/Kconfig @@ -95,10 +95,6 @@ config GPIO_EP93XX depends on ARCH_EP93XX select GPIO_GENERIC -config GPIO_EXYNOS4 - def_bool y - depends on CPU_EXYNOS4210 - config GPIO_MPC5200 def_bool y depends on PPC_MPC52xx @@ -131,18 +127,6 @@ config GPIO_MXS select GPIO_GENERIC select GENERIC_IRQ_CHIP -config GPIO_PLAT_SAMSUNG - def_bool y - depends on SAMSUNG_GPIOLIB_4BIT - -config GPIO_S5PC100 - def_bool y - depends on CPU_S5PC100 - -config GPIO_S5PV210 - def_bool y - depends on CPU_S5PV210 - config GPIO_PL061 bool "PrimeCell PL061 GPIO support" depends on ARM_AMBA diff --git a/drivers/gpio/Makefile b/drivers/gpio/Makefile index 9588948c96f0..62db458c850d 100644 --- a/drivers/gpio/Makefile +++ b/drivers/gpio/Makefile @@ -15,7 +15,6 @@ obj-$(CONFIG_GPIO_BT8XX) += gpio-bt8xx.o obj-$(CONFIG_GPIO_CS5535) += gpio-cs5535.o obj-$(CONFIG_GPIO_DA9052) += gpio-da9052.o obj-$(CONFIG_GPIO_EP93XX) += gpio-ep93xx.o -obj-$(CONFIG_GPIO_EXYNOS4) += gpio-exynos4.o obj-$(CONFIG_GPIO_IT8761E) += gpio-it8761e.o obj-$(CONFIG_GPIO_JANZ_TTL) += gpio-janz-ttl.o obj-$(CONFIG_GPIO_LANGWELL) += gpio-langwell.o @@ -38,11 +37,7 @@ obj-$(CONFIG_GPIO_PCF857X) += gpio-pcf857x.o obj-$(CONFIG_GPIO_PCH) += gpio-pch.o obj-$(CONFIG_GPIO_PL061) += gpio-pl061.o obj-$(CONFIG_GPIO_RDC321X) += gpio-rdc321x.o - -obj-$(CONFIG_GPIO_PLAT_SAMSUNG) += gpio-plat-samsung.o -obj-$(CONFIG_GPIO_S5PC100) += gpio-s5pc100.o -obj-$(CONFIG_GPIO_S5PV210) += gpio-s5pv210.o - +obj-$(CONFIG_PLAT_SAMSUNG) += gpio-samsung.o obj-$(CONFIG_GPIO_SCH) += gpio-sch.o obj-$(CONFIG_GPIO_STMPE) += gpio-stmpe.o obj-$(CONFIG_GPIO_SX150X) += gpio-sx150x.o diff --git a/drivers/gpio/gpio-exynos4.c b/drivers/gpio/gpio-exynos4.c deleted file mode 100644 index d24b337cf1ac..000000000000 --- a/drivers/gpio/gpio-exynos4.c +++ /dev/null @@ -1,385 +0,0 @@ -/* - * EXYNOS4 - GPIOlib support - * - * Copyright (c) 2010-2011 Samsung Electronics Co., Ltd. - * http://www.samsung.com - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. -*/ - -#include <linux/kernel.h> -#include <linux/irq.h> -#include <linux/io.h> -#include <linux/gpio.h> - -#include <mach/map.h> - -#include <plat/gpio-core.h> -#include <plat/gpio-cfg.h> -#include <plat/gpio-cfg-helpers.h> - -int s3c_gpio_setpull_exynos4(struct s3c_gpio_chip *chip, - unsigned int off, s3c_gpio_pull_t pull) -{ - if (pull == S3C_GPIO_PULL_UP) - pull = 3; - - return s3c_gpio_setpull_updown(chip, off, pull); -} - -s3c_gpio_pull_t s3c_gpio_getpull_exynos4(struct s3c_gpio_chip *chip, - unsigned int off) -{ - s3c_gpio_pull_t pull; - - pull = s3c_gpio_getpull_updown(chip, off); - if (pull == 3) - pull = S3C_GPIO_PULL_UP; - - return pull; -} - -static struct s3c_gpio_cfg gpio_cfg = { - .set_config = s3c_gpio_setcfg_s3c64xx_4bit, - .set_pull = s3c_gpio_setpull_exynos4, - .get_pull = s3c_gpio_getpull_exynos4, -}; - -static struct s3c_gpio_cfg gpio_cfg_noint = { - .set_config = s3c_gpio_setcfg_s3c64xx_4bit, - .set_pull = s3c_gpio_setpull_exynos4, - .get_pull = s3c_gpio_getpull_exynos4, -}; - -/* - * Following are the gpio banks in v310. - * - * The 'config' member when left to NULL, is initialized to the default - * structure gpio_cfg in the init function below. - * - * The 'base' member is also initialized in the init function below. - * Note: The initialization of 'base' member of s3c_gpio_chip structure - * uses the above macro and depends on the banks being listed in order here. - */ -static struct s3c_gpio_chip exynos4_gpio_part1_4bit[] = { - { - .chip = { - .base = EXYNOS4_GPA0(0), - .ngpio = EXYNOS4_GPIO_A0_NR, - .label = "GPA0", - }, - }, { - .chip = { - .base = EXYNOS4_GPA1(0), - .ngpio = EXYNOS4_GPIO_A1_NR, - .label = "GPA1", - }, - }, { - .chip = { - .base = EXYNOS4_GPB(0), - .ngpio = EXYNOS4_GPIO_B_NR, - .label = "GPB", - }, - }, { - .chip = { - .base = EXYNOS4_GPC0(0), - .ngpio = EXYNOS4_GPIO_C0_NR, - .label = "GPC0", - }, - }, { - .chip = { - .base = EXYNOS4_GPC1(0), - .ngpio = EXYNOS4_GPIO_C1_NR, - .label = "GPC1", - }, - }, { - .chip = { - .base = EXYNOS4_GPD0(0), - .ngpio = EXYNOS4_GPIO_D0_NR, - .label = "GPD0", - }, - }, { - .chip = { - .base = EXYNOS4_GPD1(0), - .ngpio = EXYNOS4_GPIO_D1_NR, - .label = "GPD1", - }, - }, { - .chip = { - .base = EXYNOS4_GPE0(0), - .ngpio = EXYNOS4_GPIO_E0_NR, - .label = "GPE0", - }, - }, { - .chip = { - .base = EXYNOS4_GPE1(0), - .ngpio = EXYNOS4_GPIO_E1_NR, - .label = "GPE1", - }, - }, { - .chip = { - .base = EXYNOS4_GPE2(0), - .ngpio = EXYNOS4_GPIO_E2_NR, - .label = "GPE2", - }, - }, { - .chip = { - .base = EXYNOS4_GPE3(0), - .ngpio = EXYNOS4_GPIO_E3_NR, - .label = "GPE3", - }, - }, { - .chip = { - .base = EXYNOS4_GPE4(0), - .ngpio = EXYNOS4_GPIO_E4_NR, - .label = "GPE4", - }, - }, { - .chip = { - .base = EXYNOS4_GPF0(0), - .ngpio = EXYNOS4_GPIO_F0_NR, - .label = "GPF0", - }, - }, { - .chip = { - .base = EXYNOS4_GPF1(0), - .ngpio = EXYNOS4_GPIO_F1_NR, - .label = "GPF1", - }, - }, { - .chip = { - .base = EXYNOS4_GPF2(0), - .ngpio = EXYNOS4_GPIO_F2_NR, - .label = "GPF2", - }, - }, { - .chip = { - .base = EXYNOS4_GPF3(0), - .ngpio = EXYNOS4_GPIO_F3_NR, - .label = "GPF3", - }, - }, -}; - -static struct s3c_gpio_chip exynos4_gpio_part2_4bit[] = { - { - .chip = { - .base = EXYNOS4_GPJ0(0), - .ngpio = EXYNOS4_GPIO_J0_NR, - .label = "GPJ0", - }, - }, { - .chip = { - .base = EXYNOS4_GPJ1(0), - .ngpio = EXYNOS4_GPIO_J1_NR, - .label = "GPJ1", - }, - }, { - .chip = { - .base = EXYNOS4_GPK0(0), - .ngpio = EXYNOS4_GPIO_K0_NR, - .label = "GPK0", - }, - }, { - .chip = { - .base = EXYNOS4_GPK1(0), - .ngpio = EXYNOS4_GPIO_K1_NR, - .label = "GPK1", - }, - }, { - .chip = { - .base = EXYNOS4_GPK2(0), - .ngpio = EXYNOS4_GPIO_K2_NR, - .label = "GPK2", - }, - }, { - .chip = { - .base = EXYNOS4_GPK3(0), - .ngpio = EXYNOS4_GPIO_K3_NR, - .label = "GPK3", - }, - }, { - .chip = { - .base = EXYNOS4_GPL0(0), - .ngpio = EXYNOS4_GPIO_L0_NR, - .label = "GPL0", - }, - }, { - .chip = { - .base = EXYNOS4_GPL1(0), - .ngpio = EXYNOS4_GPIO_L1_NR, - .label = "GPL1", - }, - }, { - .chip = { - .base = EXYNOS4_GPL2(0), - .ngpio = EXYNOS4_GPIO_L2_NR, - .label = "GPL2", - }, - }, { - .config = &gpio_cfg_noint, - .chip = { - .base = EXYNOS4_GPY0(0), - .ngpio = EXYNOS4_GPIO_Y0_NR, - .label = "GPY0", - }, - }, { - .config = &gpio_cfg_noint, - .chip = { - .base = EXYNOS4_GPY1(0), - .ngpio = EXYNOS4_GPIO_Y1_NR, - .label = "GPY1", - }, - }, { - .config = &gpio_cfg_noint, - .chip = { - .base = EXYNOS4_GPY2(0), - .ngpio = EXYNOS4_GPIO_Y2_NR, - .label = "GPY2", - }, - }, { - .config = &gpio_cfg_noint, - .chip = { - .base = EXYNOS4_GPY3(0), - .ngpio = EXYNOS4_GPIO_Y3_NR, - .label = "GPY3", - }, - }, { - .config = &gpio_cfg_noint, - .chip = { - .base = EXYNOS4_GPY4(0), - .ngpio = EXYNOS4_GPIO_Y4_NR, - .label = "GPY4", - }, - }, { - .config = &gpio_cfg_noint, - .chip = { - .base = EXYNOS4_GPY5(0), - .ngpio = EXYNOS4_GPIO_Y5_NR, - .label = "GPY5", - }, - }, { - .config = &gpio_cfg_noint, - .chip = { - .base = EXYNOS4_GPY6(0), - .ngpio = EXYNOS4_GPIO_Y6_NR, - .label = "GPY6", - }, - }, { - .base = (S5P_VA_GPIO2 + 0xC00), - .config = &gpio_cfg_noint, - .irq_base = IRQ_EINT(0), - .chip = { - .base = EXYNOS4_GPX0(0), - .ngpio = EXYNOS4_GPIO_X0_NR, - .label = "GPX0", - .to_irq = samsung_gpiolib_to_irq, - }, - }, { - .base = (S5P_VA_GPIO2 + 0xC20), - .config = &gpio_cfg_noint, - .irq_base = IRQ_EINT(8), - .chip = { - .base = EXYNOS4_GPX1(0), - .ngpio = EXYNOS4_GPIO_X1_NR, - .label = "GPX1", - .to_irq = samsung_gpiolib_to_irq, - }, - }, { - .base = (S5P_VA_GPIO2 + 0xC40), - .config = &gpio_cfg_noint, - .irq_base = IRQ_EINT(16), - .chip = { - .base = EXYNOS4_GPX2(0), - .ngpio = EXYNOS4_GPIO_X2_NR, - .label = "GPX2", - .to_irq = samsung_gpiolib_to_irq, - }, - }, { - .base = (S5P_VA_GPIO2 + 0xC60), - .config = &gpio_cfg_noint, - .irq_base = IRQ_EINT(24), - .chip = { - .base = EXYNOS4_GPX3(0), - .ngpio = EXYNOS4_GPIO_X3_NR, - .label = "GPX3", - .to_irq = samsung_gpiolib_to_irq, - }, - }, -}; - -static struct s3c_gpio_chip exynos4_gpio_part3_4bit[] = { - { - .chip = { - .base = EXYNOS4_GPZ(0), - .ngpio = EXYNOS4_GPIO_Z_NR, - .label = "GPZ", - }, - }, -}; - -static __init int exynos4_gpiolib_init(void) -{ - struct s3c_gpio_chip *chip; - int i; - int group = 0; - int nr_chips; - - /* GPIO part 1 */ - - chip = exynos4_gpio_part1_4bit; - nr_chips = ARRAY_SIZE(exynos4_gpio_part1_4bit); - - for (i = 0; i < nr_chips; i++, chip++) { - if (chip->config == NULL) { - chip->config = &gpio_cfg; - /* Assign the GPIO interrupt group */ - chip->group = group++; - } - if (chip->base == NULL) - chip->base = S5P_VA_GPIO1 + (i) * 0x20; - } - - samsung_gpiolib_add_4bit_chips(exynos4_gpio_part1_4bit, nr_chips); - - /* GPIO part 2 */ - - chip = exynos4_gpio_part2_4bit; - nr_chips = ARRAY_SIZE(exynos4_gpio_part2_4bit); - - for (i = 0; i < nr_chips; i++, chip++) { - if (chip->config == NULL) { - chip->config = &gpio_cfg; - /* Assign the GPIO interrupt group */ - chip->group = group++; - } - if (chip->base == NULL) - chip->base = S5P_VA_GPIO2 + (i) * 0x20; - } - - samsung_gpiolib_add_4bit_chips(exynos4_gpio_part2_4bit, nr_chips); - - /* GPIO part 3 */ - - chip = exynos4_gpio_part3_4bit; - nr_chips = ARRAY_SIZE(exynos4_gpio_part3_4bit); - - for (i = 0; i < nr_chips; i++, chip++) { - if (chip->config == NULL) { - chip->config = &gpio_cfg; - /* Assign the GPIO interrupt group */ - chip->group = group++; - } - if (chip->base == NULL) - chip->base = S5P_VA_GPIO3 + (i) * 0x20; - } - - samsung_gpiolib_add_4bit_chips(exynos4_gpio_part3_4bit, nr_chips); - s5p_register_gpioint_bank(IRQ_GPIO_XA, 0, IRQ_GPIO1_NR_GROUPS); - s5p_register_gpioint_bank(IRQ_GPIO_XB, IRQ_GPIO1_NR_GROUPS, IRQ_GPIO2_NR_GROUPS); - - return 0; -} -core_initcall(exynos4_gpiolib_init); diff --git a/drivers/gpio/gpio-generic.c b/drivers/gpio/gpio-generic.c index 231714def4d2..4e24436b0f82 100644 --- a/drivers/gpio/gpio-generic.c +++ b/drivers/gpio/gpio-generic.c @@ -351,7 +351,7 @@ static int bgpio_setup_direction(struct bgpio_chip *bgc, return 0; } -int __devexit bgpio_remove(struct bgpio_chip *bgc) +int bgpio_remove(struct bgpio_chip *bgc) { int err = gpiochip_remove(&bgc->gc); @@ -361,15 +361,10 @@ int __devexit bgpio_remove(struct bgpio_chip *bgc) } EXPORT_SYMBOL_GPL(bgpio_remove); -int __devinit bgpio_init(struct bgpio_chip *bgc, - struct device *dev, - unsigned long sz, - void __iomem *dat, - void __iomem *set, - void __iomem *clr, - void __iomem *dirout, - void __iomem *dirin, - bool big_endian) +int bgpio_init(struct bgpio_chip *bgc, struct device *dev, + unsigned long sz, void __iomem *dat, void __iomem *set, + void __iomem *clr, void __iomem *dirout, void __iomem *dirin, + bool big_endian) { int ret; diff --git a/drivers/gpio/gpio-plat-samsung.c b/drivers/gpio/gpio-plat-samsung.c deleted file mode 100644 index ef67f1952a72..000000000000 --- a/drivers/gpio/gpio-plat-samsung.c +++ /dev/null @@ -1,205 +0,0 @@ -/* - * Copyright 2008 Openmoko, Inc. - * Copyright 2008 Simtec Electronics - * Ben Dooks <ben@simtec.co.uk> - * http://armlinux.simtec.co.uk/ - * - * Copyright (c) 2009 Samsung Electronics Co., Ltd. - * http://www.samsung.com/ - * - * SAMSUNG - GPIOlib support - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - */ - -#include <linux/kernel.h> -#include <linux/irq.h> -#include <linux/io.h> -#include <linux/gpio.h> -#include <plat/gpio-core.h> -#include <plat/gpio-cfg.h> -#include <plat/gpio-cfg-helpers.h> - -#ifndef DEBUG_GPIO -#define gpio_dbg(x...) do { } while (0) -#else -#define gpio_dbg(x...) printk(KERN_DEBUG x) -#endif - -/* The samsung_gpiolib_4bit routines are to control the gpio banks where - * the gpio configuration register (GPxCON) has 4 bits per GPIO, as the - * following example: - * - * base + 0x00: Control register, 4 bits per gpio - * gpio n: 4 bits starting at (4*n) - * 0000 = input, 0001 = output, others mean special-function - * base + 0x04: Data register, 1 bit per gpio - * bit n: data bit n - * - * Note, since the data register is one bit per gpio and is at base + 0x4 - * we can use s3c_gpiolib_get and s3c_gpiolib_set to change the state of - * the output. -*/ - -static int samsung_gpiolib_4bit_input(struct gpio_chip *chip, - unsigned int offset) -{ - struct s3c_gpio_chip *ourchip = to_s3c_gpio(chip); - void __iomem *base = ourchip->base; - unsigned long con; - - con = __raw_readl(base + GPIOCON_OFF); - con &= ~(0xf << con_4bit_shift(offset)); - __raw_writel(con, base + GPIOCON_OFF); - - gpio_dbg("%s: %p: CON now %08lx\n", __func__, base, con); - - return 0; -} - -static int samsung_gpiolib_4bit_output(struct gpio_chip *chip, - unsigned int offset, int value) -{ - struct s3c_gpio_chip *ourchip = to_s3c_gpio(chip); - void __iomem *base = ourchip->base; - unsigned long con; - unsigned long dat; - - con = __raw_readl(base + GPIOCON_OFF); - con &= ~(0xf << con_4bit_shift(offset)); - con |= 0x1 << con_4bit_shift(offset); - - dat = __raw_readl(base + GPIODAT_OFF); - - if (value) - dat |= 1 << offset; - else - dat &= ~(1 << offset); - - __raw_writel(dat, base + GPIODAT_OFF); - __raw_writel(con, base + GPIOCON_OFF); - __raw_writel(dat, base + GPIODAT_OFF); - - gpio_dbg("%s: %p: CON %08lx, DAT %08lx\n", __func__, base, con, dat); - - return 0; -} - -/* The next set of routines are for the case where the GPIO configuration - * registers are 4 bits per GPIO but there is more than one register (the - * bank has more than 8 GPIOs. - * - * This case is the similar to the 4 bit case, but the registers are as - * follows: - * - * base + 0x00: Control register, 4 bits per gpio (lower 8 GPIOs) - * gpio n: 4 bits starting at (4*n) - * 0000 = input, 0001 = output, others mean special-function - * base + 0x04: Control register, 4 bits per gpio (up to 8 additions GPIOs) - * gpio n: 4 bits starting at (4*n) - * 0000 = input, 0001 = output, others mean special-function - * base + 0x08: Data register, 1 bit per gpio - * bit n: data bit n - * - * To allow us to use the s3c_gpiolib_get and s3c_gpiolib_set routines we - * store the 'base + 0x4' address so that these routines see the data - * register at ourchip->base + 0x04. - */ - -static int samsung_gpiolib_4bit2_input(struct gpio_chip *chip, - unsigned int offset) -{ - struct s3c_gpio_chip *ourchip = to_s3c_gpio(chip); - void __iomem *base = ourchip->base; - void __iomem *regcon = base; - unsigned long con; - - if (offset > 7) - offset -= 8; - else - regcon -= 4; - - con = __raw_readl(regcon); - con &= ~(0xf << con_4bit_shift(offset)); - __raw_writel(con, regcon); - - gpio_dbg("%s: %p: CON %08lx\n", __func__, base, con); - - return 0; -} - -static int samsung_gpiolib_4bit2_output(struct gpio_chip *chip, - unsigned int offset, int value) -{ - struct s3c_gpio_chip *ourchip = to_s3c_gpio(chip); - void __iomem *base = ourchip->base; - void __iomem *regcon = base; - unsigned long con; - unsigned long dat; - unsigned con_offset = offset; - - if (con_offset > 7) - con_offset -= 8; - else - regcon -= 4; - - con = __raw_readl(regcon); - con &= ~(0xf << con_4bit_shift(con_offset)); - con |= 0x1 << con_4bit_shift(con_offset); - - dat = __raw_readl(base + GPIODAT_OFF); - - if (value) - dat |= 1 << offset; - else - dat &= ~(1 << offset); - - __raw_writel(dat, base + GPIODAT_OFF); - __raw_writel(con, regcon); - __raw_writel(dat, base + GPIODAT_OFF); - - gpio_dbg("%s: %p: CON %08lx, DAT %08lx\n", __func__, base, con, dat); - - return 0; -} - -void __init samsung_gpiolib_add_4bit(struct s3c_gpio_chip *chip) -{ - chip->chip.direction_input = samsung_gpiolib_4bit_input; - chip->chip.direction_output = samsung_gpiolib_4bit_output; - chip->pm = __gpio_pm(&s3c_gpio_pm_4bit); -} - -void __init samsung_gpiolib_add_4bit2(struct s3c_gpio_chip *chip) -{ - chip->chip.direction_input = samsung_gpiolib_4bit2_input; - chip->chip.direction_output = samsung_gpiolib_4bit2_output; - chip->pm = __gpio_pm(&s3c_gpio_pm_4bit); -} - -void __init samsung_gpiolib_add_4bit_chips(struct s3c_gpio_chip *chip, - int nr_chips) -{ - for (; nr_chips > 0; nr_chips--, chip++) { - samsung_gpiolib_add_4bit(chip); - s3c_gpiolib_add(chip); - } -} - -void __init samsung_gpiolib_add_4bit2_chips(struct s3c_gpio_chip *chip, - int nr_chips) -{ - for (; nr_chips > 0; nr_chips--, chip++) { - samsung_gpiolib_add_4bit2(chip); - s3c_gpiolib_add(chip); - } -} - -void __init samsung_gpiolib_add_2bit_chips(struct s3c_gpio_chip *chip, - int nr_chips) -{ - for (; nr_chips > 0; nr_chips--, chip++) - s3c_gpiolib_add(chip); -} diff --git a/drivers/gpio/gpio-s5pc100.c b/drivers/gpio/gpio-s5pc100.c deleted file mode 100644 index 7f87b0c76e0b..000000000000 --- a/drivers/gpio/gpio-s5pc100.c +++ /dev/null @@ -1,354 +0,0 @@ -/* - * S5PC100 - GPIOlib support - * - * Copyright (c) 2010 Samsung Electronics Co., Ltd. - * http://www.samsung.com - * - * Copyright 2009 Samsung Electronics Co - * Kyungmin Park <kyungmin.park@samsung.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - */ - -#include <linux/kernel.h> -#include <linux/irq.h> -#include <linux/io.h> -#include <linux/gpio.h> - -#include <mach/map.h> -#include <mach/regs-gpio.h> - -#include <plat/gpio-core.h> -#include <plat/gpio-cfg.h> -#include <plat/gpio-cfg-helpers.h> - -/* S5PC100 GPIO bank summary: - * - * Bank GPIOs Style INT Type - * A0 8 4Bit GPIO_INT0 - * A1 5 4Bit GPIO_INT1 - * B 8 4Bit GPIO_INT2 - * C 5 4Bit GPIO_INT3 - * D 7 4Bit GPIO_INT4 - * E0 8 4Bit GPIO_INT5 - * E1 6 4Bit GPIO_INT6 - * F0 8 4Bit GPIO_INT7 - * F1 8 4Bit GPIO_INT8 - * F2 8 4Bit GPIO_INT9 - * F3 4 4Bit GPIO_INT10 - * G0 8 4Bit GPIO_INT11 - * G1 3 4Bit GPIO_INT12 - * G2 7 4Bit GPIO_INT13 - * G3 7 4Bit GPIO_INT14 - * H0 8 4Bit WKUP_INT - * H1 8 4Bit WKUP_INT - * H2 8 4Bit WKUP_INT - * H3 8 4Bit WKUP_INT - * I 8 4Bit GPIO_INT15 - * J0 8 4Bit GPIO_INT16 - * J1 5 4Bit GPIO_INT17 - * J2 8 4Bit GPIO_INT18 - * J3 8 4Bit GPIO_INT19 - * J4 4 4Bit GPIO_INT20 - * K0 8 4Bit None - * K1 6 4Bit None - * K2 8 4Bit None - * K3 8 4Bit None - * L0 8 4Bit None - * L1 8 4Bit None - * L2 8 4Bit None - * L3 8 4Bit None - */ - -static struct s3c_gpio_cfg gpio_cfg = { - .set_config = s3c_gpio_setcfg_s3c64xx_4bit, - .set_pull = s3c_gpio_setpull_updown, - .get_pull = s3c_gpio_getpull_updown, -}; - -static struct s3c_gpio_cfg gpio_cfg_eint = { - .cfg_eint = 0xf, - .set_config = s3c_gpio_setcfg_s3c64xx_4bit, - .set_pull = s3c_gpio_setpull_updown, - .get_pull = s3c_gpio_getpull_updown, -}; - -static struct s3c_gpio_cfg gpio_cfg_noint = { - .set_config = s3c_gpio_setcfg_s3c64xx_4bit, - .set_pull = s3c_gpio_setpull_updown, - .get_pull = s3c_gpio_getpull_updown, -}; - -/* - * GPIO bank's base address given the index of the bank in the - * list of all gpio banks. - */ -#define S5PC100_BANK_BASE(bank_nr) (S5P_VA_GPIO + ((bank_nr) * 0x20)) - -/* - * Following are the gpio banks in S5PC100. - * - * The 'config' member when left to NULL, is initialized to the default - * structure gpio_cfg in the init function below. - * - * The 'base' member is also initialized in the init function below. - * Note: The initialization of 'base' member of s3c_gpio_chip structure - * uses the above macro and depends on the banks being listed in order here. - */ -static struct s3c_gpio_chip s5pc100_gpio_chips[] = { - { - .chip = { - .base = S5PC100_GPA0(0), - .ngpio = S5PC100_GPIO_A0_NR, - .label = "GPA0", - }, - }, { - .chip = { - .base = S5PC100_GPA1(0), - .ngpio = S5PC100_GPIO_A1_NR, - .label = "GPA1", - }, - }, { - .chip = { - .base = S5PC100_GPB(0), - .ngpio = S5PC100_GPIO_B_NR, - .label = "GPB", - }, - }, { - .chip = { - .base = S5PC100_GPC(0), - .ngpio = S5PC100_GPIO_C_NR, - .label = "GPC", - }, - }, { - .chip = { - .base = S5PC100_GPD(0), - .ngpio = S5PC100_GPIO_D_NR, - .label = "GPD", - }, - }, { - .chip = { - .base = S5PC100_GPE0(0), - .ngpio = S5PC100_GPIO_E0_NR, - .label = "GPE0", - }, - }, { - .chip = { - .base = S5PC100_GPE1(0), - .ngpio = S5PC100_GPIO_E1_NR, - .label = "GPE1", - }, - }, { - .chip = { - .base = S5PC100_GPF0(0), - .ngpio = S5PC100_GPIO_F0_NR, - .label = "GPF0", - }, - }, { - .chip = { - .base = S5PC100_GPF1(0), - .ngpio = S5PC100_GPIO_F1_NR, - .label = "GPF1", - }, - }, { - .chip = { - .base = S5PC100_GPF2(0), - .ngpio = S5PC100_GPIO_F2_NR, - .label = "GPF2", - }, - }, { - .chip = { - .base = S5PC100_GPF3(0), - .ngpio = S5PC100_GPIO_F3_NR, - .label = "GPF3", - }, - }, { - .chip = { - .base = S5PC100_GPG0(0), - .ngpio = S5PC100_GPIO_G0_NR, - .label = "GPG0", - }, - }, { - .chip = { - .base = S5PC100_GPG1(0), - .ngpio = S5PC100_GPIO_G1_NR, - .label = "GPG1", - }, - }, { - .chip = { - .base = S5PC100_GPG2(0), - .ngpio = S5PC100_GPIO_G2_NR, - .label = "GPG2", - }, - }, { - .chip = { - .base = S5PC100_GPG3(0), - .ngpio = S5PC100_GPIO_G3_NR, - .label = "GPG3", - }, - }, { - .chip = { - .base = S5PC100_GPI(0), - .ngpio = S5PC100_GPIO_I_NR, - .label = "GPI", - }, - }, { - .chip = { - .base = S5PC100_GPJ0(0), - .ngpio = S5PC100_GPIO_J0_NR, - .label = "GPJ0", - }, - }, { - .chip = { - .base = S5PC100_GPJ1(0), - .ngpio = S5PC100_GPIO_J1_NR, - .label = "GPJ1", - }, - }, { - .chip = { - .base = S5PC100_GPJ2(0), - .ngpio = S5PC100_GPIO_J2_NR, - .label = "GPJ2", - }, - }, { - .chip = { - .base = S5PC100_GPJ3(0), - .ngpio = S5PC100_GPIO_J3_NR, - .label = "GPJ3", - }, - }, { - .chip = { - .base = S5PC100_GPJ4(0), - .ngpio = S5PC100_GPIO_J4_NR, - .label = "GPJ4", - }, - }, { - .config = &gpio_cfg_noint, - .chip = { - .base = S5PC100_GPK0(0), - .ngpio = S5PC100_GPIO_K0_NR, - .label = "GPK0", - }, - }, { - .config = &gpio_cfg_noint, - .chip = { - .base = S5PC100_GPK1(0), - .ngpio = S5PC100_GPIO_K1_NR, - .label = "GPK1", - }, - }, { - .config = &gpio_cfg_noint, - .chip = { - .base = S5PC100_GPK2(0), - .ngpio = S5PC100_GPIO_K2_NR, - .label = "GPK2", - }, - }, { - .config = &gpio_cfg_noint, - .chip = { - .base = S5PC100_GPK3(0), - .ngpio = S5PC100_GPIO_K3_NR, - .label = "GPK3", - }, - }, { - .config = &gpio_cfg_noint, - .chip = { - .base = S5PC100_GPL0(0), - .ngpio = S5PC100_GPIO_L0_NR, - .label = "GPL0", - }, - }, { - .config = &gpio_cfg_noint, - .chip = { - .base = S5PC100_GPL1(0), - .ngpio = S5PC100_GPIO_L1_NR, - .label = "GPL1", - }, - }, { - .config = &gpio_cfg_noint, - .chip = { - .base = S5PC100_GPL2(0), - .ngpio = S5PC100_GPIO_L2_NR, - .label = "GPL2", - }, - }, { - .config = &gpio_cfg_noint, - .chip = { - .base = S5PC100_GPL3(0), - .ngpio = S5PC100_GPIO_L3_NR, - .label = "GPL3", - }, - }, { - .config = &gpio_cfg_noint, - .chip = { - .base = S5PC100_GPL4(0), - .ngpio = S5PC100_GPIO_L4_NR, - .label = "GPL4", - }, - }, { - .base = (S5P_VA_GPIO + 0xC00), - .config = &gpio_cfg_eint, - .irq_base = IRQ_EINT(0), - .chip = { - .base = S5PC100_GPH0(0), - .ngpio = S5PC100_GPIO_H0_NR, - .label = "GPH0", - .to_irq = samsung_gpiolib_to_irq, - }, - }, { - .base = (S5P_VA_GPIO + 0xC20), - .config = &gpio_cfg_eint, - .irq_base = IRQ_EINT(8), - .chip = { - .base = S5PC100_GPH1(0), - .ngpio = S5PC100_GPIO_H1_NR, - .label = "GPH1", - .to_irq = samsung_gpiolib_to_irq, - }, - }, { - .base = (S5P_VA_GPIO + 0xC40), - .config = &gpio_cfg_eint, - .irq_base = IRQ_EINT(16), - .chip = { - .base = S5PC100_GPH2(0), - .ngpio = S5PC100_GPIO_H2_NR, - .label = "GPH2", - .to_irq = samsung_gpiolib_to_irq, - }, - }, { - .base = (S5P_VA_GPIO + 0xC60), - .config = &gpio_cfg_eint, - .irq_base = IRQ_EINT(24), - .chip = { - .base = S5PC100_GPH3(0), - .ngpio = S5PC100_GPIO_H3_NR, - .label = "GPH3", - .to_irq = samsung_gpiolib_to_irq, - }, - }, -}; - -static __init int s5pc100_gpiolib_init(void) -{ - struct s3c_gpio_chip *chip = s5pc100_gpio_chips; - int nr_chips = ARRAY_SIZE(s5pc100_gpio_chips); - int gpioint_group = 0; - int i; - - for (i = 0; i < nr_chips; i++, chip++) { - if (chip->config == NULL) { - chip->config = &gpio_cfg; - chip->group = gpioint_group++; - } - if (chip->base == NULL) - chip->base = S5PC100_BANK_BASE(i); - } - - samsung_gpiolib_add_4bit_chips(s5pc100_gpio_chips, nr_chips); - s5p_register_gpioint_bank(IRQ_GPIOINT, 0, S5P_GPIOINT_GROUP_MAXNR); - - return 0; -} -core_initcall(s5pc100_gpiolib_init); diff --git a/drivers/gpio/gpio-s5pv210.c b/drivers/gpio/gpio-s5pv210.c deleted file mode 100644 index eb12f1602de9..000000000000 --- a/drivers/gpio/gpio-s5pv210.c +++ /dev/null @@ -1,287 +0,0 @@ -/* - * S5PV210 - GPIOlib support - * - * Copyright (c) 2010 Samsung Electronics Co., Ltd. - * http://www.samsung.com/ - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - */ - -#include <linux/kernel.h> -#include <linux/irq.h> -#include <linux/io.h> -#include <linux/gpio.h> -#include <plat/gpio-core.h> -#include <plat/gpio-cfg.h> -#include <plat/gpio-cfg-helpers.h> -#include <mach/map.h> - -static struct s3c_gpio_cfg gpio_cfg = { - .set_config = s3c_gpio_setcfg_s3c64xx_4bit, - .set_pull = s3c_gpio_setpull_updown, - .get_pull = s3c_gpio_getpull_updown, -}; - -static struct s3c_gpio_cfg gpio_cfg_noint = { - .set_config = s3c_gpio_setcfg_s3c64xx_4bit, - .set_pull = s3c_gpio_setpull_updown, - .get_pull = s3c_gpio_getpull_updown, -}; - -/* GPIO bank's base address given the index of the bank in the - * list of all gpio banks. - */ -#define S5PV210_BANK_BASE(bank_nr) (S5P_VA_GPIO + ((bank_nr) * 0x20)) - -/* - * Following are the gpio banks in v210. - * - * The 'config' member when left to NULL, is initialized to the default - * structure gpio_cfg in the init function below. - * - * The 'base' member is also initialized in the init function below. - * Note: The initialization of 'base' member of s3c_gpio_chip structure - * uses the above macro and depends on the banks being listed in order here. - */ -static struct s3c_gpio_chip s5pv210_gpio_4bit[] = { - { - .chip = { - .base = S5PV210_GPA0(0), - .ngpio = S5PV210_GPIO_A0_NR, - .label = "GPA0", - }, - }, { - .chip = { - .base = S5PV210_GPA1(0), - .ngpio = S5PV210_GPIO_A1_NR, - .label = "GPA1", - }, - }, { - .chip = { - .base = S5PV210_GPB(0), - .ngpio = S5PV210_GPIO_B_NR, - .label = "GPB", - }, - }, { - .chip = { - .base = S5PV210_GPC0(0), - .ngpio = S5PV210_GPIO_C0_NR, - .label = "GPC0", - }, - }, { - .chip = { - .base = S5PV210_GPC1(0), - .ngpio = S5PV210_GPIO_C1_NR, - .label = "GPC1", - }, - }, { - .chip = { - .base = S5PV210_GPD0(0), - .ngpio = S5PV210_GPIO_D0_NR, - .label = "GPD0", - }, - }, { - .chip = { - .base = S5PV210_GPD1(0), - .ngpio = S5PV210_GPIO_D1_NR, - .label = "GPD1", - }, - }, { - .chip = { - .base = S5PV210_GPE0(0), - .ngpio = S5PV210_GPIO_E0_NR, - .label = "GPE0", - }, - }, { - .chip = { - .base = S5PV210_GPE1(0), - .ngpio = S5PV210_GPIO_E1_NR, - .label = "GPE1", - }, - }, { - .chip = { - .base = S5PV210_GPF0(0), - .ngpio = S5PV210_GPIO_F0_NR, - .label = "GPF0", - }, - }, { - .chip = { - .base = S5PV210_GPF1(0), - .ngpio = S5PV210_GPIO_F1_NR, - .label = "GPF1", - }, - }, { - .chip = { - .base = S5PV210_GPF2(0), - .ngpio = S5PV210_GPIO_F2_NR, - .label = "GPF2", - }, - }, { - .chip = { - .base = S5PV210_GPF3(0), - .ngpio = S5PV210_GPIO_F3_NR, - .label = "GPF3", - }, - }, { - .chip = { - .base = S5PV210_GPG0(0), - .ngpio = S5PV210_GPIO_G0_NR, - .label = "GPG0", - }, - }, { - .chip = { - .base = S5PV210_GPG1(0), - .ngpio = S5PV210_GPIO_G1_NR, - .label = "GPG1", - }, - }, { - .chip = { - .base = S5PV210_GPG2(0), - .ngpio = S5PV210_GPIO_G2_NR, - .label = "GPG2", - }, - }, { - .chip = { - .base = S5PV210_GPG3(0), - .ngpio = S5PV210_GPIO_G3_NR, - .label = "GPG3", - }, - }, { - .config = &gpio_cfg_noint, - .chip = { - .base = S5PV210_GPI(0), - .ngpio = S5PV210_GPIO_I_NR, - .label = "GPI", - }, - }, { - .chip = { - .base = S5PV210_GPJ0(0), - .ngpio = S5PV210_GPIO_J0_NR, - .label = "GPJ0", - }, - }, { - .chip = { - .base = S5PV210_GPJ1(0), - .ngpio = S5PV210_GPIO_J1_NR, - .label = "GPJ1", - }, - }, { - .chip = { - .base = S5PV210_GPJ2(0), - .ngpio = S5PV210_GPIO_J2_NR, - .label = "GPJ2", - }, - }, { - .chip = { - .base = S5PV210_GPJ3(0), - .ngpio = S5PV210_GPIO_J3_NR, - .label = "GPJ3", - }, - }, { - .chip = { - .base = S5PV210_GPJ4(0), - .ngpio = S5PV210_GPIO_J4_NR, - .label = "GPJ4", - }, - }, { - .config = &gpio_cfg_noint, - .chip = { - .base = S5PV210_MP01(0), - .ngpio = S5PV210_GPIO_MP01_NR, - .label = "MP01", - }, - }, { - .config = &gpio_cfg_noint, - .chip = { - .base = S5PV210_MP02(0), - .ngpio = S5PV210_GPIO_MP02_NR, - .label = "MP02", - }, - }, { - .config = &gpio_cfg_noint, - .chip = { - .base = S5PV210_MP03(0), - .ngpio = S5PV210_GPIO_MP03_NR, - .label = "MP03", - }, - }, { - .config = &gpio_cfg_noint, - .chip = { - .base = S5PV210_MP04(0), - .ngpio = S5PV210_GPIO_MP04_NR, - .label = "MP04", - }, - }, { - .config = &gpio_cfg_noint, - .chip = { - .base = S5PV210_MP05(0), - .ngpio = S5PV210_GPIO_MP05_NR, - .label = "MP05", - }, - }, { - .base = (S5P_VA_GPIO + 0xC00), - .config = &gpio_cfg_noint, - .irq_base = IRQ_EINT(0), - .chip = { - .base = S5PV210_GPH0(0), - .ngpio = S5PV210_GPIO_H0_NR, - .label = "GPH0", - .to_irq = samsung_gpiolib_to_irq, - }, - }, { - .base = (S5P_VA_GPIO + 0xC20), - .config = &gpio_cfg_noint, - .irq_base = IRQ_EINT(8), - .chip = { - .base = S5PV210_GPH1(0), - .ngpio = S5PV210_GPIO_H1_NR, - .label = "GPH1", - .to_irq = samsung_gpiolib_to_irq, - }, - }, { - .base = (S5P_VA_GPIO + 0xC40), - .config = &gpio_cfg_noint, - .irq_base = IRQ_EINT(16), - .chip = { - .base = S5PV210_GPH2(0), - .ngpio = S5PV210_GPIO_H2_NR, - .label = "GPH2", - .to_irq = samsung_gpiolib_to_irq, - }, - }, { - .base = (S5P_VA_GPIO + 0xC60), - .config = &gpio_cfg_noint, - .irq_base = IRQ_EINT(24), - .chip = { - .base = S5PV210_GPH3(0), - .ngpio = S5PV210_GPIO_H3_NR, - .label = "GPH3", - .to_irq = samsung_gpiolib_to_irq, - }, - }, -}; - -static __init int s5pv210_gpiolib_init(void) -{ - struct s3c_gpio_chip *chip = s5pv210_gpio_4bit; - int nr_chips = ARRAY_SIZE(s5pv210_gpio_4bit); - int gpioint_group = 0; - int i = 0; - - for (i = 0; i < nr_chips; i++, chip++) { - if (chip->config == NULL) { - chip->config = &gpio_cfg; - chip->group = gpioint_group++; - } - if (chip->base == NULL) - chip->base = S5PV210_BANK_BASE(i); - } - - samsung_gpiolib_add_4bit_chips(s5pv210_gpio_4bit, nr_chips); - s5p_register_gpioint_bank(IRQ_GPIOINT, 0, S5P_GPIOINT_GROUP_MAXNR); - - return 0; -} -core_initcall(s5pv210_gpiolib_init); diff --git a/drivers/gpio/gpio-samsung.c b/drivers/gpio/gpio-samsung.c new file mode 100644 index 000000000000..b6be77ae4973 --- /dev/null +++ b/drivers/gpio/gpio-samsung.c @@ -0,0 +1,2688 @@ +/* + * Copyright (c) 2009-2011 Samsung Electronics Co., Ltd. + * http://www.samsung.com/ + * + * Copyright 2008 Openmoko, Inc. + * Copyright 2008 Simtec Electronics + * Ben Dooks <ben@simtec.co.uk> + * http://armlinux.simtec.co.uk/ + * + * SAMSUNG - GPIOlib support + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ + +#include <linux/kernel.h> +#include <linux/irq.h> +#include <linux/io.h> +#include <linux/gpio.h> +#include <linux/init.h> +#include <linux/spinlock.h> +#include <linux/module.h> +#include <linux/interrupt.h> +#include <linux/sysdev.h> +#include <linux/ioport.h> + +#include <asm/irq.h> + +#include <mach/hardware.h> +#include <mach/map.h> +#include <mach/regs-clock.h> +#include <mach/regs-gpio.h> + +#include <plat/cpu.h> +#include <plat/gpio-core.h> +#include <plat/gpio-cfg.h> +#include <plat/gpio-cfg-helpers.h> +#include <plat/gpio-fns.h> +#include <plat/pm.h> + +#ifndef DEBUG_GPIO +#define gpio_dbg(x...) do { } while (0) +#else +#define gpio_dbg(x...) printk(KERN_DEBUG x) +#endif + +int samsung_gpio_setpull_updown(struct samsung_gpio_chip *chip, + unsigned int off, samsung_gpio_pull_t pull) +{ + void __iomem *reg = chip->base + 0x08; + int shift = off * 2; + u32 pup; + + pup = __raw_readl(reg); + pup &= ~(3 << shift); + pup |= pull << shift; + __raw_writel(pup, reg); + + return 0; +} + +samsung_gpio_pull_t samsung_gpio_getpull_updown(struct samsung_gpio_chip *chip, + unsigned int off) +{ + void __iomem *reg = chip->base + 0x08; + int shift = off * 2; + u32 pup = __raw_readl(reg); + + pup >>= shift; + pup &= 0x3; + + return (__force samsung_gpio_pull_t)pup; +} + +int s3c2443_gpio_setpull(struct samsung_gpio_chip *chip, + unsigned int off, samsung_gpio_pull_t pull) +{ + switch (pull) { + case S3C_GPIO_PULL_NONE: + pull = 0x01; + break; + case S3C_GPIO_PULL_UP: + pull = 0x00; + break; + case S3C_GPIO_PULL_DOWN: + pull = 0x02; + break; + } + return samsung_gpio_setpull_updown(chip, off, pull); +} + +samsung_gpio_pull_t s3c2443_gpio_getpull(struct samsung_gpio_chip *chip, + unsigned int off) +{ + samsung_gpio_pull_t pull; + + pull = samsung_gpio_getpull_updown(chip, off); + + switch (pull) { + case 0x00: + pull = S3C_GPIO_PULL_UP; + break; + case 0x01: + case 0x03: + pull = S3C_GPIO_PULL_NONE; + break; + case 0x02: + pull = S3C_GPIO_PULL_DOWN; + break; + } + + return pull; +} + +static int s3c24xx_gpio_setpull_1(struct samsung_gpio_chip *chip, + unsigned int off, samsung_gpio_pull_t pull, + samsung_gpio_pull_t updown) +{ + void __iomem *reg = chip->base + 0x08; + u32 pup = __raw_readl(reg); + + if (pull == updown) + pup &= ~(1 << off); + else if (pull == S3C_GPIO_PULL_NONE) + pup |= (1 << off); + else + return -EINVAL; + + __raw_writel(pup, reg); + return 0; +} + +static samsung_gpio_pull_t s3c24xx_gpio_getpull_1(struct samsung_gpio_chip *chip, + unsigned int off, + samsung_gpio_pull_t updown) +{ + void __iomem *reg = chip->base + 0x08; + u32 pup = __raw_readl(reg); + + pup &= (1 << off); + return pup ? S3C_GPIO_PULL_NONE : updown; +} + +samsung_gpio_pull_t s3c24xx_gpio_getpull_1up(struct samsung_gpio_chip *chip, + unsigned int off) +{ + return s3c24xx_gpio_getpull_1(chip, off, S3C_GPIO_PULL_UP); +} + +int s3c24xx_gpio_setpull_1up(struct samsung_gpio_chip *chip, + unsigned int off, samsung_gpio_pull_t pull) +{ + return s3c24xx_gpio_setpull_1(chip, off, pull, S3C_GPIO_PULL_UP); +} + +samsung_gpio_pull_t s3c24xx_gpio_getpull_1down(struct samsung_gpio_chip *chip, + unsigned int off) +{ + return s3c24xx_gpio_getpull_1(chip, off, S3C_GPIO_PULL_DOWN); +} + +int s3c24xx_gpio_setpull_1down(struct samsung_gpio_chip *chip, + unsigned int off, samsung_gpio_pull_t pull) +{ + return s3c24xx_gpio_setpull_1(chip, off, pull, S3C_GPIO_PULL_DOWN); +} + +static int exynos4_gpio_setpull(struct samsung_gpio_chip *chip, + unsigned int off, samsung_gpio_pull_t pull) +{ + if (pull == S3C_GPIO_PULL_UP) + pull = 3; + + return samsung_gpio_setpull_updown(chip, off, pull); +} + +static samsung_gpio_pull_t exynos4_gpio_getpull(struct samsung_gpio_chip *chip, + unsigned int off) +{ + samsung_gpio_pull_t pull; + + pull = samsung_gpio_getpull_updown(chip, off); + + if (pull == 3) + pull = S3C_GPIO_PULL_UP; + + return pull; +} + +/* + * samsung_gpio_setcfg_2bit - Samsung 2bit style GPIO configuration. + * @chip: The gpio chip that is being configured. + * @off: The offset for the GPIO being configured. + * @cfg: The configuration value to set. + * + * This helper deal with the GPIO cases where the control register + * has two bits of configuration per gpio, which have the following + * functions: + * 00 = input + * 01 = output + * 1x = special function + */ + +static int samsung_gpio_setcfg_2bit(struct samsung_gpio_chip *chip, + unsigned int off, unsigned int cfg) +{ + void __iomem *reg = chip->base; + unsigned int shift = off * 2; + u32 con; + + if (samsung_gpio_is_cfg_special(cfg)) { + cfg &= 0xf; + if (cfg > 3) + return -EINVAL; + + cfg <<= shift; + } + + con = __raw_readl(reg); + con &= ~(0x3 << shift); + con |= cfg; + __raw_writel(con, reg); + + return 0; +} + +/* + * samsung_gpio_getcfg_2bit - Samsung 2bit style GPIO configuration read. + * @chip: The gpio chip that is being configured. + * @off: The offset for the GPIO being configured. + * + * The reverse of samsung_gpio_setcfg_2bit(). Will return a value whicg + * could be directly passed back to samsung_gpio_setcfg_2bit(), from the + * S3C_GPIO_SPECIAL() macro. + */ + +static unsigned int samsung_gpio_getcfg_2bit(struct samsung_gpio_chip *chip, + unsigned int off) +{ + u32 con; + + con = __raw_readl(chip->base); + con >>= off * 2; + con &= 3; + + /* this conversion works for IN and OUT as well as special mode */ + return S3C_GPIO_SPECIAL(con); +} + +/* + * samsung_gpio_setcfg_4bit - Samsung 4bit single register GPIO config. + * @chip: The gpio chip that is being configured. + * @off: The offset for the GPIO being configured. + * @cfg: The configuration value to set. + * + * This helper deal with the GPIO cases where the control register has 4 bits + * of control per GPIO, generally in the form of: + * 0000 = Input + * 0001 = Output + * others = Special functions (dependent on bank) + * + * Note, since the code to deal with the case where there are two control + * registers instead of one, we do not have a separate set of functions for + * each case. + */ + +static int samsung_gpio_setcfg_4bit(struct samsung_gpio_chip *chip, + unsigned int off, unsigned int cfg) +{ + void __iomem *reg = chip->base; + unsigned int shift = (off & 7) * 4; + u32 con; + + if (off < 8 && chip->chip.ngpio > 8) + reg -= 4; + + if (samsung_gpio_is_cfg_special(cfg)) { + cfg &= 0xf; + cfg <<= shift; + } + + con = __raw_readl(reg); + con &= ~(0xf << shift); + con |= cfg; + __raw_writel(con, reg); + + return 0; +} + +/* + * samsung_gpio_getcfg_4bit - Samsung 4bit single register GPIO config read. + * @chip: The gpio chip that is being configured. + * @off: The offset for the GPIO being configured. + * + * The reverse of samsung_gpio_setcfg_4bit(), turning a gpio configuration + * register setting into a value the software can use, such as could be passed + * to samsung_gpio_setcfg_4bit(). + * + * @sa samsung_gpio_getcfg_2bit + */ + +static unsigned samsung_gpio_getcfg_4bit(struct samsung_gpio_chip *chip, + unsigned int off) +{ + void __iomem *reg = chip->base; + unsigned int shift = (off & 7) * 4; + u32 con; + + if (off < 8 && chip->chip.ngpio > 8) + reg -= 4; + + con = __raw_readl(reg); + con >>= shift; + con &= 0xf; + + /* this conversion works for IN and OUT as well as special mode */ + return S3C_GPIO_SPECIAL(con); +} + +/* + * s3c24xx_gpio_setcfg_abank - S3C24XX style GPIO configuration (Bank A) + * @chip: The gpio chip that is being configured. + * @off: The offset for the GPIO being configured. + * @cfg: The configuration value to set. + * + * This helper deal with the GPIO cases where the control register + * has one bit of configuration for the gpio, where setting the bit + * means the pin is in special function mode and unset means output. + */ + +static int s3c24xx_gpio_setcfg_abank(struct samsung_gpio_chip *chip, + unsigned int off, unsigned int cfg) +{ + void __iomem *reg = chip->base; + unsigned int shift = off; + u32 con; + + if (samsung_gpio_is_cfg_special(cfg)) { + cfg &= 0xf; + + /* Map output to 0, and SFN2 to 1 */ + cfg -= 1; + if (cfg > 1) + return -EINVAL; + + cfg <<= shift; + } + + con = __raw_readl(reg); + con &= ~(0x1 << shift); + con |= cfg; + __raw_writel(con, reg); + + return 0; +} + +/* + * s3c24xx_gpio_getcfg_abank - S3C24XX style GPIO configuration read (Bank A) + * @chip: The gpio chip that is being configured. + * @off: The offset for the GPIO being configured. + * + * The reverse of s3c24xx_gpio_setcfg_abank() turning an GPIO into a usable + * GPIO configuration value. + * + * @sa samsung_gpio_getcfg_2bit + * @sa samsung_gpio_getcfg_4bit + */ + +static unsigned s3c24xx_gpio_getcfg_abank(struct samsung_gpio_chip *chip, + unsigned int off) +{ + u32 con; + + con = __raw_readl(chip->base); + con >>= off; + con &= 1; + con++; + + return S3C_GPIO_SFN(con); +} + +static int s5p64x0_gpio_setcfg_rbank(struct samsung_gpio_chip *chip, + unsigned int off, unsigned int cfg) +{ + void __iomem *reg = chip->base; + unsigned int shift; + u32 con; + + switch (off) { + case 0: + case 1: + case 2: + case 3: + case 4: + case 5: + shift = (off & 7) * 4; + reg -= 4; + break; + case 6: + shift = ((off + 1) & 7) * 4; + reg -= 4; + default: + shift = ((off + 1) & 7) * 4; + break; + } + + if (samsung_gpio_is_cfg_special(cfg)) { + cfg &= 0xf; + cfg <<= shift; + } + + con = __raw_readl(reg); + con &= ~(0xf << shift); + con |= cfg; + __raw_writel(con, reg); + + return 0; +} + +static void __init samsung_gpiolib_set_cfg(struct samsung_gpio_cfg *chipcfg, + int nr_chips) +{ + for (; nr_chips > 0; nr_chips--, chipcfg++) { + if (!chipcfg->set_config) + chipcfg->set_config = samsung_gpio_setcfg_4bit; + if (!chipcfg->get_config) + chipcfg->get_config = samsung_gpio_getcfg_4bit; + if (!chipcfg->set_pull) + chipcfg->set_pull = samsung_gpio_setpull_updown; + if (!chipcfg->get_pull) + chipcfg->get_pull = samsung_gpio_getpull_updown; + } +} + +struct samsung_gpio_cfg s3c24xx_gpiocfg_default = { + .set_config = samsung_gpio_setcfg_2bit, + .get_config = samsung_gpio_getcfg_2bit, +}; + +static struct samsung_gpio_cfg s3c24xx_gpiocfg_banka = { + .set_config = s3c24xx_gpio_setcfg_abank, + .get_config = s3c24xx_gpio_getcfg_abank, +}; + +static struct samsung_gpio_cfg exynos4_gpio_cfg = { + .set_pull = exynos4_gpio_setpull, + .get_pull = exynos4_gpio_getpull, + .set_config = samsung_gpio_setcfg_4bit, + .get_config = samsung_gpio_getcfg_4bit, +}; + +static struct samsung_gpio_cfg s5p64x0_gpio_cfg_rbank = { + .cfg_eint = 0x3, + .set_config = s5p64x0_gpio_setcfg_rbank, + .get_config = samsung_gpio_getcfg_4bit, + .set_pull = samsung_gpio_setpull_updown, + .get_pull = samsung_gpio_getpull_updown, +}; + +static struct samsung_gpio_cfg samsung_gpio_cfgs[] = { + { + .cfg_eint = 0x0, + }, { + .cfg_eint = 0x3, + }, { + .cfg_eint = 0x7, + }, { + .cfg_eint = 0xF, + }, { + .cfg_eint = 0x0, + .set_config = samsung_gpio_setcfg_2bit, + .get_config = samsung_gpio_getcfg_2bit, + }, { + .cfg_eint = 0x2, + .set_config = samsung_gpio_setcfg_2bit, + .get_config = samsung_gpio_getcfg_2bit, + }, { + .cfg_eint = 0x3, + .set_config = samsung_gpio_setcfg_2bit, + .get_config = samsung_gpio_getcfg_2bit, + }, { + .set_config = samsung_gpio_setcfg_2bit, + .get_config = samsung_gpio_getcfg_2bit, + }, +}; + +/* + * Default routines for controlling GPIO, based on the original S3C24XX + * GPIO functions which deal with the case where each gpio bank of the + * chip is as following: + * + * base + 0x00: Control register, 2 bits per gpio + * gpio n: 2 bits starting at (2*n) + * 00 = input, 01 = output, others mean special-function + * base + 0x04: Data register, 1 bit per gpio + * bit n: data bit n +*/ + +static int samsung_gpiolib_2bit_input(struct gpio_chip *chip, unsigned offset) +{ + struct samsung_gpio_chip *ourchip = to_samsung_gpio(chip); + void __iomem *base = ourchip->base; + unsigned long flags; + unsigned long con; + + samsung_gpio_lock(ourchip, flags); + + con = __raw_readl(base + 0x00); + con &= ~(3 << (offset * 2)); + + __raw_writel(con, base + 0x00); + + samsung_gpio_unlock(ourchip, flags); + return 0; +} + +static int samsung_gpiolib_2bit_output(struct gpio_chip *chip, + unsigned offset, int value) +{ + struct samsung_gpio_chip *ourchip = to_samsung_gpio(chip); + void __iomem *base = ourchip->base; + unsigned long flags; + unsigned long dat; + unsigned long con; + + samsung_gpio_lock(ourchip, flags); + + dat = __raw_readl(base + 0x04); + dat &= ~(1 << offset); + if (value) + dat |= 1 << offset; + __raw_writel(dat, base + 0x04); + + con = __raw_readl(base + 0x00); + con &= ~(3 << (offset * 2)); + con |= 1 << (offset * 2); + + __raw_writel(con, base + 0x00); + __raw_writel(dat, base + 0x04); + + samsung_gpio_unlock(ourchip, flags); + return 0; +} + +/* + * The samsung_gpiolib_4bit routines are to control the gpio banks where + * the gpio configuration register (GPxCON) has 4 bits per GPIO, as the + * following example: + * + * base + 0x00: Control register, 4 bits per gpio + * gpio n: 4 bits starting at (4*n) + * 0000 = input, 0001 = output, others mean special-function + * base + 0x04: Data register, 1 bit per gpio + * bit n: data bit n + * + * Note, since the data register is one bit per gpio and is at base + 0x4 + * we can use samsung_gpiolib_get and samsung_gpiolib_set to change the + * state of the output. + */ + +static int samsung_gpiolib_4bit_input(struct gpio_chip *chip, + unsigned int offset) +{ + struct samsung_gpio_chip *ourchip = to_samsung_gpio(chip); + void __iomem *base = ourchip->base; + unsigned long con; + + con = __raw_readl(base + GPIOCON_OFF); + con &= ~(0xf << con_4bit_shift(offset)); + __raw_writel(con, base + GPIOCON_OFF); + + gpio_dbg("%s: %p: CON now %08lx\n", __func__, base, con); + + return 0; +} + +static int samsung_gpiolib_4bit_output(struct gpio_chip *chip, + unsigned int offset, int value) +{ + struct samsung_gpio_chip *ourchip = to_samsung_gpio(chip); + void __iomem *base = ourchip->base; + unsigned long con; + unsigned long dat; + + con = __raw_readl(base + GPIOCON_OFF); + con &= ~(0xf << con_4bit_shift(offset)); + con |= 0x1 << con_4bit_shift(offset); + + dat = __raw_readl(base + GPIODAT_OFF); + + if (value) + dat |= 1 << offset; + else + dat &= ~(1 << offset); + + __raw_writel(dat, base + GPIODAT_OFF); + __raw_writel(con, base + GPIOCON_OFF); + __raw_writel(dat, base + GPIODAT_OFF); + + gpio_dbg("%s: %p: CON %08lx, DAT %08lx\n", __func__, base, con, dat); + + return 0; +} + +/* + * The next set of routines are for the case where the GPIO configuration + * registers are 4 bits per GPIO but there is more than one register (the + * bank has more than 8 GPIOs. + * + * This case is the similar to the 4 bit case, but the registers are as + * follows: + * + * base + 0x00: Control register, 4 bits per gpio (lower 8 GPIOs) + * gpio n: 4 bits starting at (4*n) + * 0000 = input, 0001 = output, others mean special-function + * base + 0x04: Control register, 4 bits per gpio (up to 8 additions GPIOs) + * gpio n: 4 bits starting at (4*n) + * 0000 = input, 0001 = output, others mean special-function + * base + 0x08: Data register, 1 bit per gpio + * bit n: data bit n + * + * To allow us to use the samsung_gpiolib_get and samsung_gpiolib_set + * routines we store the 'base + 0x4' address so that these routines see + * the data register at ourchip->base + 0x04. + */ + +static int samsung_gpiolib_4bit2_input(struct gpio_chip *chip, + unsigned int offset) +{ + struct samsung_gpio_chip *ourchip = to_samsung_gpio(chip); + void __iomem *base = ourchip->base; + void __iomem *regcon = base; + unsigned long con; + + if (offset > 7) + offset -= 8; + else + regcon -= 4; + + con = __raw_readl(regcon); + con &= ~(0xf << con_4bit_shift(offset)); + __raw_writel(con, regcon); + + gpio_dbg("%s: %p: CON %08lx\n", __func__, base, con); + + return 0; +} + +static int samsung_gpiolib_4bit2_output(struct gpio_chip *chip, + unsigned int offset, int value) +{ + struct samsung_gpio_chip *ourchip = to_samsung_gpio(chip); + void __iomem *base = ourchip->base; + void __iomem *regcon = base; + unsigned long con; + unsigned long dat; + unsigned con_offset = offset; + + if (con_offset > 7) + con_offset -= 8; + else + regcon -= 4; + + con = __raw_readl(regcon); + con &= ~(0xf << con_4bit_shift(con_offset)); + con |= 0x1 << con_4bit_shift(con_offset); + + dat = __raw_readl(base + GPIODAT_OFF); + + if (value) + dat |= 1 << offset; + else + dat &= ~(1 << offset); + + __raw_writel(dat, base + GPIODAT_OFF); + __raw_writel(con, regcon); + __raw_writel(dat, base + GPIODAT_OFF); + + gpio_dbg("%s: %p: CON %08lx, DAT %08lx\n", __func__, base, con, dat); + + return 0; +} + +/* The next set of routines are for the case of s3c24xx bank a */ + +static int s3c24xx_gpiolib_banka_input(struct gpio_chip *chip, unsigned offset) +{ + return -EINVAL; +} + +static int s3c24xx_gpiolib_banka_output(struct gpio_chip *chip, + unsigned offset, int value) +{ + struct samsung_gpio_chip *ourchip = to_samsung_gpio(chip); + void __iomem *base = ourchip->base; + unsigned long flags; + unsigned long dat; + unsigned long con; + + local_irq_save(flags); + + con = __raw_readl(base + 0x00); + dat = __raw_readl(base + 0x04); + + dat &= ~(1 << offset); + if (value) + dat |= 1 << offset; + + __raw_writel(dat, base + 0x04); + + con &= ~(1 << offset); + + __raw_writel(con, base + 0x00); + __raw_writel(dat, base + 0x04); + + local_irq_restore(flags); + return 0; +} + +/* The next set of routines are for the case of s5p64x0 bank r */ + +static int s5p64x0_gpiolib_rbank_input(struct gpio_chip *chip, + unsigned int offset) +{ + struct samsung_gpio_chip *ourchip = to_samsung_gpio(chip); + void __iomem *base = ourchip->base; + void __iomem *regcon = base; + unsigned long con; + unsigned long flags; + + switch (offset) { + case 6: + offset += 1; + case 0: + case 1: + case 2: + case 3: + case 4: + case 5: + regcon -= 4; + break; + default: + offset -= 7; + break; + } + + samsung_gpio_lock(ourchip, flags); + + con = __raw_readl(regcon); + con &= ~(0xf << con_4bit_shift(offset)); + __raw_writel(con, regcon); + + samsung_gpio_unlock(ourchip, flags); + + return 0; +} + +static int s5p64x0_gpiolib_rbank_output(struct gpio_chip *chip, + unsigned int offset, int value) +{ + struct samsung_gpio_chip *ourchip = to_samsung_gpio(chip); + void __iomem *base = ourchip->base; + void __iomem *regcon = base; + unsigned long con; + unsigned long dat; + unsigned long flags; + unsigned con_offset = offset; + + switch (con_offset) { + case 6: + con_offset += 1; + case 0: + case 1: + case 2: + case 3: + case 4: + case 5: + regcon -= 4; + break; + default: + con_offset -= 7; + break; + } + + samsung_gpio_lock(ourchip, flags); + + con = __raw_readl(regcon); + con &= ~(0xf << con_4bit_shift(con_offset)); + con |= 0x1 << con_4bit_shift(con_offset); + + dat = __raw_readl(base + GPIODAT_OFF); + if (value) + dat |= 1 << offset; + else + dat &= ~(1 << offset); + + __raw_writel(con, regcon); + __raw_writel(dat, base + GPIODAT_OFF); + + samsung_gpio_unlock(ourchip, flags); + + return 0; +} + +static void samsung_gpiolib_set(struct gpio_chip *chip, + unsigned offset, int value) +{ + struct samsung_gpio_chip *ourchip = to_samsung_gpio(chip); + void __iomem *base = ourchip->base; + unsigned long flags; + unsigned long dat; + + samsung_gpio_lock(ourchip, flags); + + dat = __raw_readl(base + 0x04); + dat &= ~(1 << offset); + if (value) + dat |= 1 << offset; + __raw_writel(dat, base + 0x04); + + samsung_gpio_unlock(ourchip, flags); +} + +static int samsung_gpiolib_get(struct gpio_chip *chip, unsigned offset) +{ + struct samsung_gpio_chip *ourchip = to_samsung_gpio(chip); + unsigned long val; + + val = __raw_readl(ourchip->base + 0x04); + val >>= offset; + val &= 1; + + return val; +} + +/* + * CONFIG_S3C_GPIO_TRACK enables the tracking of the s3c specific gpios + * for use with the configuration calls, and other parts of the s3c gpiolib + * support code. + * + * Not all s3c support code will need this, as some configurations of cpu + * may only support one or two different configuration options and have an + * easy gpio to samsung_gpio_chip mapping function. If this is the case, then + * the machine support file should provide its own samsung_gpiolib_getchip() + * and any other necessary functions. + */ + +#ifdef CONFIG_S3C_GPIO_TRACK +struct samsung_gpio_chip *s3c_gpios[S3C_GPIO_END]; + +static __init void s3c_gpiolib_track(struct samsung_gpio_chip *chip) +{ + unsigned int gpn; + int i; + + gpn = chip->chip.base; + for (i = 0; i < chip->chip.ngpio; i++, gpn++) { + BUG_ON(gpn >= ARRAY_SIZE(s3c_gpios)); + s3c_gpios[gpn] = chip; + } +} +#endif /* CONFIG_S3C_GPIO_TRACK */ + +/* + * samsung_gpiolib_add() - add the Samsung gpio_chip. + * @chip: The chip to register + * + * This is a wrapper to gpiochip_add() that takes our specific gpio chip + * information and makes the necessary alterations for the platform and + * notes the information for use with the configuration systems and any + * other parts of the system. + */ + +static void __init samsung_gpiolib_add(struct samsung_gpio_chip *chip) +{ + struct gpio_chip *gc = &chip->chip; + int ret; + + BUG_ON(!chip->base); + BUG_ON(!gc->label); + BUG_ON(!gc->ngpio); + + spin_lock_init(&chip->lock); + + if (!gc->direction_input) + gc->direction_input = samsung_gpiolib_2bit_input; + if (!gc->direction_output) + gc->direction_output = samsung_gpiolib_2bit_output; + if (!gc->set) + gc->set = samsung_gpiolib_set; + if (!gc->get) + gc->get = samsung_gpiolib_get; + +#ifdef CONFIG_PM + if (chip->pm != NULL) { + if (!chip->pm->save || !chip->pm->resume) + printk(KERN_ERR "gpio: %s has missing PM functions\n", + gc->label); + } else + printk(KERN_ERR "gpio: %s has no PM function\n", gc->label); +#endif + + /* gpiochip_add() prints own failure message on error. */ + ret = gpiochip_add(gc); + if (ret >= 0) + s3c_gpiolib_track(chip); +} + +static void __init s3c24xx_gpiolib_add_chips(struct samsung_gpio_chip *chip, + int nr_chips, void __iomem *base) +{ + int i; + struct gpio_chip *gc = &chip->chip; + + for (i = 0 ; i < nr_chips; i++, chip++) { + if (!chip->config) + chip->config = &s3c24xx_gpiocfg_default; + if (!chip->pm) + chip->pm = __gpio_pm(&samsung_gpio_pm_2bit); + if ((base != NULL) && (chip->base == NULL)) + chip->base = base + ((i) * 0x10); + + if (!gc->direction_input) + gc->direction_input = samsung_gpiolib_2bit_input; + if (!gc->direction_output) + gc->direction_output = samsung_gpiolib_2bit_output; + + samsung_gpiolib_add(chip); + } +} + +static void __init samsung_gpiolib_add_2bit_chips(struct samsung_gpio_chip *chip, + int nr_chips, void __iomem *base, + unsigned int offset) +{ + int i; + + for (i = 0 ; i < nr_chips; i++, chip++) { + chip->chip.direction_input = samsung_gpiolib_2bit_input; + chip->chip.direction_output = samsung_gpiolib_2bit_output; + + if (!chip->config) + chip->config = &samsung_gpio_cfgs[7]; + if (!chip->pm) + chip->pm = __gpio_pm(&samsung_gpio_pm_2bit); + if ((base != NULL) && (chip->base == NULL)) + chip->base = base + ((i) * offset); + + samsung_gpiolib_add(chip); + } +} + +/* + * samsung_gpiolib_add_4bit_chips - 4bit single register GPIO config. + * @chip: The gpio chip that is being configured. + * @nr_chips: The no of chips (gpio ports) for the GPIO being configured. + * + * This helper deal with the GPIO cases where the control register has 4 bits + * of control per GPIO, generally in the form of: + * 0000 = Input + * 0001 = Output + * others = Special functions (dependent on bank) + * + * Note, since the code to deal with the case where there are two control + * registers instead of one, we do not have a separate set of function + * (samsung_gpiolib_add_4bit2_chips)for each case. + */ + +static void __init samsung_gpiolib_add_4bit_chips(struct samsung_gpio_chip *chip, + int nr_chips, void __iomem *base) +{ + int i; + + for (i = 0 ; i < nr_chips; i++, chip++) { + chip->chip.direction_input = samsung_gpiolib_4bit_input; + chip->chip.direction_output = samsung_gpiolib_4bit_output; + + if (!chip->config) + chip->config = &samsung_gpio_cfgs[2]; + if (!chip->pm) + chip->pm = __gpio_pm(&samsung_gpio_pm_4bit); + if ((base != NULL) && (chip->base == NULL)) + chip->base = base + ((i) * 0x20); + + samsung_gpiolib_add(chip); + } +} + +static void __init samsung_gpiolib_add_4bit2_chips(struct samsung_gpio_chip *chip, + int nr_chips) +{ + for (; nr_chips > 0; nr_chips--, chip++) { + chip->chip.direction_input = samsung_gpiolib_4bit2_input; + chip->chip.direction_output = samsung_gpiolib_4bit2_output; + + if (!chip->config) + chip->config = &samsung_gpio_cfgs[2]; + if (!chip->pm) + chip->pm = __gpio_pm(&samsung_gpio_pm_4bit); + + samsung_gpiolib_add(chip); + } +} + +static void __init s5p64x0_gpiolib_add_rbank(struct samsung_gpio_chip *chip, + int nr_chips) +{ + for (; nr_chips > 0; nr_chips--, chip++) { + chip->chip.direction_input = s5p64x0_gpiolib_rbank_input; + chip->chip.direction_output = s5p64x0_gpiolib_rbank_output; + + if (!chip->pm) + chip->pm = __gpio_pm(&samsung_gpio_pm_4bit); + + samsung_gpiolib_add(chip); + } +} + +int samsung_gpiolib_to_irq(struct gpio_chip *chip, unsigned int offset) +{ + struct samsung_gpio_chip *samsung_chip = container_of(chip, struct samsung_gpio_chip, chip); + + return samsung_chip->irq_base + offset; +} + +#ifdef CONFIG_PLAT_S3C24XX +static int s3c24xx_gpiolib_fbank_to_irq(struct gpio_chip *chip, unsigned offset) +{ + if (offset < 4) + return IRQ_EINT0 + offset; + + if (offset < 8) + return IRQ_EINT4 + offset - 4; + + return -EINVAL; +} +#endif + +#ifdef CONFIG_PLAT_S3C64XX +static int s3c64xx_gpiolib_mbank_to_irq(struct gpio_chip *chip, unsigned pin) +{ + return pin < 5 ? IRQ_EINT(23) + pin : -ENXIO; +} + +static int s3c64xx_gpiolib_lbank_to_irq(struct gpio_chip *chip, unsigned pin) +{ + return pin >= 8 ? IRQ_EINT(16) + pin - 8 : -ENXIO; +} +#endif + +struct samsung_gpio_chip s3c24xx_gpios[] = { +#ifdef CONFIG_PLAT_S3C24XX + { + .config = &s3c24xx_gpiocfg_banka, + .chip = { + .base = S3C2410_GPA(0), + .owner = THIS_MODULE, + .label = "GPIOA", + .ngpio = 24, + .direction_input = s3c24xx_gpiolib_banka_input, + .direction_output = s3c24xx_gpiolib_banka_output, + }, + }, { + .chip = { + .base = S3C2410_GPB(0), + .owner = THIS_MODULE, + .label = "GPIOB", + .ngpio = 16, + }, + }, { + .chip = { + .base = S3C2410_GPC(0), + .owner = THIS_MODULE, + .label = "GPIOC", + .ngpio = 16, + }, + }, { + .chip = { + .base = S3C2410_GPD(0), + .owner = THIS_MODULE, + .label = "GPIOD", + .ngpio = 16, + }, + }, { + .chip = { + .base = S3C2410_GPE(0), + .label = "GPIOE", + .owner = THIS_MODULE, + .ngpio = 16, + }, + }, { + .chip = { + .base = S3C2410_GPF(0), + .owner = THIS_MODULE, + .label = "GPIOF", + .ngpio = 8, + .to_irq = s3c24xx_gpiolib_fbank_to_irq, + }, + }, { + .irq_base = IRQ_EINT8, + .chip = { + .base = S3C2410_GPG(0), + .owner = THIS_MODULE, + .label = "GPIOG", + .ngpio = 16, + .to_irq = samsung_gpiolib_to_irq, + }, + }, { + .chip = { + .base = S3C2410_GPH(0), + .owner = THIS_MODULE, + .label = "GPIOH", + .ngpio = 11, + }, + }, + /* GPIOS for the S3C2443 and later devices. */ + { + .base = S3C2440_GPJCON, + .chip = { + .base = S3C2410_GPJ(0), + .owner = THIS_MODULE, + .label = "GPIOJ", + .ngpio = 16, + }, + }, { + .base = S3C2443_GPKCON, + .chip = { + .base = S3C2410_GPK(0), + .owner = THIS_MODULE, + .label = "GPIOK", + .ngpio = 16, + }, + }, { + .base = S3C2443_GPLCON, + .chip = { + .base = S3C2410_GPL(0), + .owner = THIS_MODULE, + .label = "GPIOL", + .ngpio = 15, + }, + }, { + .base = S3C2443_GPMCON, + .chip = { + .base = S3C2410_GPM(0), + .owner = THIS_MODULE, + .label = "GPIOM", + .ngpio = 2, + }, + }, +#endif +}; + +/* + * GPIO bank summary: + * + * Bank GPIOs Style SlpCon ExtInt Group + * A 8 4Bit Yes 1 + * B 7 4Bit Yes 1 + * C 8 4Bit Yes 2 + * D 5 4Bit Yes 3 + * E 5 4Bit Yes None + * F 16 2Bit Yes 4 [1] + * G 7 4Bit Yes 5 + * H 10 4Bit[2] Yes 6 + * I 16 2Bit Yes None + * J 12 2Bit Yes None + * K 16 4Bit[2] No None + * L 15 4Bit[2] No None + * M 6 4Bit No IRQ_EINT + * N 16 2Bit No IRQ_EINT + * O 16 2Bit Yes 7 + * P 15 2Bit Yes 8 + * Q 9 2Bit Yes 9 + * + * [1] BANKF pins 14,15 do not form part of the external interrupt sources + * [2] BANK has two control registers, GPxCON0 and GPxCON1 + */ + +static struct samsung_gpio_chip s3c64xx_gpios_4bit[] = { +#ifdef CONFIG_PLAT_S3C64XX + { + .chip = { + .base = S3C64XX_GPA(0), + .ngpio = S3C64XX_GPIO_A_NR, + .label = "GPA", + }, + }, { + .chip = { + .base = S3C64XX_GPB(0), + .ngpio = S3C64XX_GPIO_B_NR, + .label = "GPB", + }, + }, { + .chip = { + .base = S3C64XX_GPC(0), + .ngpio = S3C64XX_GPIO_C_NR, + .label = "GPC", + }, + }, { + .chip = { + .base = S3C64XX_GPD(0), + .ngpio = S3C64XX_GPIO_D_NR, + .label = "GPD", + }, + }, { + .config = &samsung_gpio_cfgs[0], + .chip = { + .base = S3C64XX_GPE(0), + .ngpio = S3C64XX_GPIO_E_NR, + .label = "GPE", + }, + }, { + .base = S3C64XX_GPG_BASE, + .chip = { + .base = S3C64XX_GPG(0), + .ngpio = S3C64XX_GPIO_G_NR, + .label = "GPG", + }, + }, { + .base = S3C64XX_GPM_BASE, + .config = &samsung_gpio_cfgs[1], + .chip = { + .base = S3C64XX_GPM(0), + .ngpio = S3C64XX_GPIO_M_NR, + .label = "GPM", + .to_irq = s3c64xx_gpiolib_mbank_to_irq, + }, + }, +#endif +}; + +static struct samsung_gpio_chip s3c64xx_gpios_4bit2[] = { +#ifdef CONFIG_PLAT_S3C64XX + { + .base = S3C64XX_GPH_BASE + 0x4, + .chip = { + .base = S3C64XX_GPH(0), + .ngpio = S3C64XX_GPIO_H_NR, + .label = "GPH", + }, + }, { + .base = S3C64XX_GPK_BASE + 0x4, + .config = &samsung_gpio_cfgs[0], + .chip = { + .base = S3C64XX_GPK(0), + .ngpio = S3C64XX_GPIO_K_NR, + .label = "GPK", + }, + }, { + .base = S3C64XX_GPL_BASE + 0x4, + .config = &samsung_gpio_cfgs[1], + .chip = { + .base = S3C64XX_GPL(0), + .ngpio = S3C64XX_GPIO_L_NR, + .label = "GPL", + .to_irq = s3c64xx_gpiolib_lbank_to_irq, + }, + }, +#endif +}; + +static struct samsung_gpio_chip s3c64xx_gpios_2bit[] = { +#ifdef CONFIG_PLAT_S3C64XX + { + .base = S3C64XX_GPF_BASE, + .config = &samsung_gpio_cfgs[6], + .chip = { + .base = S3C64XX_GPF(0), + .ngpio = S3C64XX_GPIO_F_NR, + .label = "GPF", + }, + }, { + .config = &samsung_gpio_cfgs[7], + .chip = { + .base = S3C64XX_GPI(0), + .ngpio = S3C64XX_GPIO_I_NR, + .label = "GPI", + }, + }, { + .config = &samsung_gpio_cfgs[7], + .chip = { + .base = S3C64XX_GPJ(0), + .ngpio = S3C64XX_GPIO_J_NR, + .label = "GPJ", + }, + }, { + .config = &samsung_gpio_cfgs[6], + .chip = { + .base = S3C64XX_GPO(0), + .ngpio = S3C64XX_GPIO_O_NR, + .label = "GPO", + }, + }, { + .config = &samsung_gpio_cfgs[6], + .chip = { + .base = S3C64XX_GPP(0), + .ngpio = S3C64XX_GPIO_P_NR, + .label = "GPP", + }, + }, { + .config = &samsung_gpio_cfgs[6], + .chip = { + .base = S3C64XX_GPQ(0), + .ngpio = S3C64XX_GPIO_Q_NR, + .label = "GPQ", + }, + }, { + .base = S3C64XX_GPN_BASE, + .irq_base = IRQ_EINT(0), + .config = &samsung_gpio_cfgs[5], + .chip = { + .base = S3C64XX_GPN(0), + .ngpio = S3C64XX_GPIO_N_NR, + .label = "GPN", + .to_irq = samsung_gpiolib_to_irq, + }, + }, +#endif +}; + +/* + * S5P6440 GPIO bank summary: + * + * Bank GPIOs Style SlpCon ExtInt Group + * A 6 4Bit Yes 1 + * B 7 4Bit Yes 1 + * C 8 4Bit Yes 2 + * F 2 2Bit Yes 4 [1] + * G 7 4Bit Yes 5 + * H 10 4Bit[2] Yes 6 + * I 16 2Bit Yes None + * J 12 2Bit Yes None + * N 16 2Bit No IRQ_EINT + * P 8 2Bit Yes 8 + * R 15 4Bit[2] Yes 8 + */ + +static struct samsung_gpio_chip s5p6440_gpios_4bit[] = { +#ifdef CONFIG_CPU_S5P6440 + { + .chip = { + .base = S5P6440_GPA(0), + .ngpio = S5P6440_GPIO_A_NR, + .label = "GPA", + }, + }, { + .chip = { + .base = S5P6440_GPB(0), + .ngpio = S5P6440_GPIO_B_NR, + .label = "GPB", + }, + }, { + .chip = { + .base = S5P6440_GPC(0), + .ngpio = S5P6440_GPIO_C_NR, + .label = "GPC", + }, + }, { + .base = S5P64X0_GPG_BASE, + .chip = { + .base = S5P6440_GPG(0), + .ngpio = S5P6440_GPIO_G_NR, + .label = "GPG", + }, + }, +#endif +}; + +static struct samsung_gpio_chip s5p6440_gpios_4bit2[] = { +#ifdef CONFIG_CPU_S5P6440 + { + .base = S5P64X0_GPH_BASE + 0x4, + .chip = { + .base = S5P6440_GPH(0), + .ngpio = S5P6440_GPIO_H_NR, + .label = "GPH", + }, + }, +#endif +}; + +static struct samsung_gpio_chip s5p6440_gpios_rbank[] = { +#ifdef CONFIG_CPU_S5P6440 + { + .base = S5P64X0_GPR_BASE + 0x4, + .config = &s5p64x0_gpio_cfg_rbank, + .chip = { + .base = S5P6440_GPR(0), + .ngpio = S5P6440_GPIO_R_NR, + .label = "GPR", + }, + }, +#endif +}; + +static struct samsung_gpio_chip s5p6440_gpios_2bit[] = { +#ifdef CONFIG_CPU_S5P6440 + { + .base = S5P64X0_GPF_BASE, + .config = &samsung_gpio_cfgs[6], + .chip = { + .base = S5P6440_GPF(0), + .ngpio = S5P6440_GPIO_F_NR, + .label = "GPF", + }, + }, { + .base = S5P64X0_GPI_BASE, + .config = &samsung_gpio_cfgs[4], + .chip = { + .base = S5P6440_GPI(0), + .ngpio = S5P6440_GPIO_I_NR, + .label = "GPI", + }, + }, { + .base = S5P64X0_GPJ_BASE, + .config = &samsung_gpio_cfgs[4], + .chip = { + .base = S5P6440_GPJ(0), + .ngpio = S5P6440_GPIO_J_NR, + .label = "GPJ", + }, + }, { + .base = S5P64X0_GPN_BASE, + .config = &samsung_gpio_cfgs[5], + .chip = { + .base = S5P6440_GPN(0), + .ngpio = S5P6440_GPIO_N_NR, + .label = "GPN", + }, + }, { + .base = S5P64X0_GPP_BASE, + .config = &samsung_gpio_cfgs[6], + .chip = { + .base = S5P6440_GPP(0), + .ngpio = S5P6440_GPIO_P_NR, + .label = "GPP", + }, + }, +#endif +}; + +/* + * S5P6450 GPIO bank summary: + * + * Bank GPIOs Style SlpCon ExtInt Group + * A 6 4Bit Yes 1 + * B 7 4Bit Yes 1 + * C 8 4Bit Yes 2 + * D 8 4Bit Yes None + * F 2 2Bit Yes None + * G 14 4Bit[2] Yes 5 + * H 10 4Bit[2] Yes 6 + * I 16 2Bit Yes None + * J 12 2Bit Yes None + * K 5 4Bit Yes None + * N 16 2Bit No IRQ_EINT + * P 11 2Bit Yes 8 + * Q 14 2Bit Yes None + * R 15 4Bit[2] Yes None + * S 8 2Bit Yes None + * + * [1] BANKF pins 14,15 do not form part of the external interrupt sources + * [2] BANK has two control registers, GPxCON0 and GPxCON1 + */ + +static struct samsung_gpio_chip s5p6450_gpios_4bit[] = { +#ifdef CONFIG_CPU_S5P6450 + { + .chip = { + .base = S5P6450_GPA(0), + .ngpio = S5P6450_GPIO_A_NR, + .label = "GPA", + }, + }, { + .chip = { + .base = S5P6450_GPB(0), + .ngpio = S5P6450_GPIO_B_NR, + .label = "GPB", + }, + }, { + .chip = { + .base = S5P6450_GPC(0), + .ngpio = S5P6450_GPIO_C_NR, + .label = "GPC", + }, + }, { + .chip = { + .base = S5P6450_GPD(0), + .ngpio = S5P6450_GPIO_D_NR, + .label = "GPD", + }, + }, { + .base = S5P6450_GPK_BASE, + .chip = { + .base = S5P6450_GPK(0), + .ngpio = S5P6450_GPIO_K_NR, + .label = "GPK", + }, + }, +#endif +}; + +static struct samsung_gpio_chip s5p6450_gpios_4bit2[] = { +#ifdef CONFIG_CPU_S5P6450 + { + .base = S5P64X0_GPG_BASE + 0x4, + .chip = { + .base = S5P6450_GPG(0), + .ngpio = S5P6450_GPIO_G_NR, + .label = "GPG", + }, + }, { + .base = S5P64X0_GPH_BASE + 0x4, + .chip = { + .base = S5P6450_GPH(0), + .ngpio = S5P6450_GPIO_H_NR, + .label = "GPH", + }, + }, +#endif +}; + +static struct samsung_gpio_chip s5p6450_gpios_rbank[] = { +#ifdef CONFIG_CPU_S5P6450 + { + .base = S5P64X0_GPR_BASE + 0x4, + .config = &s5p64x0_gpio_cfg_rbank, + .chip = { + .base = S5P6450_GPR(0), + .ngpio = S5P6450_GPIO_R_NR, + .label = "GPR", + }, + }, +#endif +}; + +static struct samsung_gpio_chip s5p6450_gpios_2bit[] = { +#ifdef CONFIG_CPU_S5P6450 + { + .base = S5P64X0_GPF_BASE, + .config = &samsung_gpio_cfgs[6], + .chip = { + .base = S5P6450_GPF(0), + .ngpio = S5P6450_GPIO_F_NR, + .label = "GPF", + }, + }, { + .base = S5P64X0_GPI_BASE, + .config = &samsung_gpio_cfgs[4], + .chip = { + .base = S5P6450_GPI(0), + .ngpio = S5P6450_GPIO_I_NR, + .label = "GPI", + }, + }, { + .base = S5P64X0_GPJ_BASE, + .config = &samsung_gpio_cfgs[4], + .chip = { + .base = S5P6450_GPJ(0), + .ngpio = S5P6450_GPIO_J_NR, + .label = "GPJ", + }, + }, { + .base = S5P64X0_GPN_BASE, + .config = &samsung_gpio_cfgs[5], + .chip = { + .base = S5P6450_GPN(0), + .ngpio = S5P6450_GPIO_N_NR, + .label = "GPN", + }, + }, { + .base = S5P64X0_GPP_BASE, + .config = &samsung_gpio_cfgs[6], + .chip = { + .base = S5P6450_GPP(0), + .ngpio = S5P6450_GPIO_P_NR, + .label = "GPP", + }, + }, { + .base = S5P6450_GPQ_BASE, + .config = &samsung_gpio_cfgs[5], + .chip = { + .base = S5P6450_GPQ(0), + .ngpio = S5P6450_GPIO_Q_NR, + .label = "GPQ", + }, + }, { + .base = S5P6450_GPS_BASE, + .config = &samsung_gpio_cfgs[6], + .chip = { + .base = S5P6450_GPS(0), + .ngpio = S5P6450_GPIO_S_NR, + .label = "GPS", + }, + }, +#endif +}; + +/* + * S5PC100 GPIO bank summary: + * + * Bank GPIOs Style INT Type + * A0 8 4Bit GPIO_INT0 + * A1 5 4Bit GPIO_INT1 + * B 8 4Bit GPIO_INT2 + * C 5 4Bit GPIO_INT3 + * D 7 4Bit GPIO_INT4 + * E0 8 4Bit GPIO_INT5 + * E1 6 4Bit GPIO_INT6 + * F0 8 4Bit GPIO_INT7 + * F1 8 4Bit GPIO_INT8 + * F2 8 4Bit GPIO_INT9 + * F3 4 4Bit GPIO_INT10 + * G0 8 4Bit GPIO_INT11 + * G1 3 4Bit GPIO_INT12 + * G2 7 4Bit GPIO_INT13 + * G3 7 4Bit GPIO_INT14 + * H0 8 4Bit WKUP_INT + * H1 8 4Bit WKUP_INT + * H2 8 4Bit WKUP_INT + * H3 8 4Bit WKUP_INT + * I 8 4Bit GPIO_INT15 + * J0 8 4Bit GPIO_INT16 + * J1 5 4Bit GPIO_INT17 + * J2 8 4Bit GPIO_INT18 + * J3 8 4Bit GPIO_INT19 + * J4 4 4Bit GPIO_INT20 + * K0 8 4Bit None + * K1 6 4Bit None + * K2 8 4Bit None + * K3 8 4Bit None + * L0 8 4Bit None + * L1 8 4Bit None + * L2 8 4Bit None + * L3 8 4Bit None + */ + +static struct samsung_gpio_chip s5pc100_gpios_4bit[] = { +#ifdef CONFIG_CPU_S5PC100 + { + .chip = { + .base = S5PC100_GPA0(0), + .ngpio = S5PC100_GPIO_A0_NR, + .label = "GPA0", + }, + }, { + .chip = { + .base = S5PC100_GPA1(0), + .ngpio = S5PC100_GPIO_A1_NR, + .label = "GPA1", + }, + }, { + .chip = { + .base = S5PC100_GPB(0), + .ngpio = S5PC100_GPIO_B_NR, + .label = "GPB", + }, + }, { + .chip = { + .base = S5PC100_GPC(0), + .ngpio = S5PC100_GPIO_C_NR, + .label = "GPC", + }, + }, { + .chip = { + .base = S5PC100_GPD(0), + .ngpio = S5PC100_GPIO_D_NR, + .label = "GPD", + }, + }, { + .chip = { + .base = S5PC100_GPE0(0), + .ngpio = S5PC100_GPIO_E0_NR, + .label = "GPE0", + }, + }, { + .chip = { + .base = S5PC100_GPE1(0), + .ngpio = S5PC100_GPIO_E1_NR, + .label = "GPE1", + }, + }, { + .chip = { + .base = S5PC100_GPF0(0), + .ngpio = S5PC100_GPIO_F0_NR, + .label = "GPF0", + }, + }, { + .chip = { + .base = S5PC100_GPF1(0), + .ngpio = S5PC100_GPIO_F1_NR, + .label = "GPF1", + }, + }, { + .chip = { + .base = S5PC100_GPF2(0), + .ngpio = S5PC100_GPIO_F2_NR, + .label = "GPF2", + }, + }, { + .chip = { + .base = S5PC100_GPF3(0), + .ngpio = S5PC100_GPIO_F3_NR, + .label = "GPF3", + }, + }, { + .chip = { + .base = S5PC100_GPG0(0), + .ngpio = S5PC100_GPIO_G0_NR, + .label = "GPG0", + }, + }, { + .chip = { + .base = S5PC100_GPG1(0), + .ngpio = S5PC100_GPIO_G1_NR, + .label = "GPG1", + }, + }, { + .chip = { + .base = S5PC100_GPG2(0), + .ngpio = S5PC100_GPIO_G2_NR, + .label = "GPG2", + }, + }, { + .chip = { + .base = S5PC100_GPG3(0), + .ngpio = S5PC100_GPIO_G3_NR, + .label = "GPG3", + }, + }, { + .chip = { + .base = S5PC100_GPI(0), + .ngpio = S5PC100_GPIO_I_NR, + .label = "GPI", + }, + }, { + .chip = { + .base = S5PC100_GPJ0(0), + .ngpio = S5PC100_GPIO_J0_NR, + .label = "GPJ0", + }, + }, { + .chip = { + .base = S5PC100_GPJ1(0), + .ngpio = S5PC100_GPIO_J1_NR, + .label = "GPJ1", + }, + }, { + .chip = { + .base = S5PC100_GPJ2(0), + .ngpio = S5PC100_GPIO_J2_NR, + .label = "GPJ2", + }, + }, { + .chip = { + .base = S5PC100_GPJ3(0), + .ngpio = S5PC100_GPIO_J3_NR, + .label = "GPJ3", + }, + }, { + .chip = { + .base = S5PC100_GPJ4(0), + .ngpio = S5PC100_GPIO_J4_NR, + .label = "GPJ4", + }, + }, { + .chip = { + .base = S5PC100_GPK0(0), + .ngpio = S5PC100_GPIO_K0_NR, + .label = "GPK0", + }, + }, { + .chip = { + .base = S5PC100_GPK1(0), + .ngpio = S5PC100_GPIO_K1_NR, + .label = "GPK1", + }, + }, { + .chip = { + .base = S5PC100_GPK2(0), + .ngpio = S5PC100_GPIO_K2_NR, + .label = "GPK2", + }, + }, { + .chip = { + .base = S5PC100_GPK3(0), + .ngpio = S5PC100_GPIO_K3_NR, + .label = "GPK3", + }, + }, { + .chip = { + .base = S5PC100_GPL0(0), + .ngpio = S5PC100_GPIO_L0_NR, + .label = "GPL0", + }, + }, { + .chip = { + .base = S5PC100_GPL1(0), + .ngpio = S5PC100_GPIO_L1_NR, + .label = "GPL1", + }, + }, { + .chip = { + .base = S5PC100_GPL2(0), + .ngpio = S5PC100_GPIO_L2_NR, + .label = "GPL2", + }, + }, { + .chip = { + .base = S5PC100_GPL3(0), + .ngpio = S5PC100_GPIO_L3_NR, + .label = "GPL3", + }, + }, { + .chip = { + .base = S5PC100_GPL4(0), + .ngpio = S5PC100_GPIO_L4_NR, + .label = "GPL4", + }, + }, { + .base = (S5P_VA_GPIO + 0xC00), + .irq_base = IRQ_EINT(0), + .chip = { + .base = S5PC100_GPH0(0), + .ngpio = S5PC100_GPIO_H0_NR, + .label = "GPH0", + .to_irq = samsung_gpiolib_to_irq, + }, + }, { + .base = (S5P_VA_GPIO + 0xC20), + .irq_base = IRQ_EINT(8), + .chip = { + .base = S5PC100_GPH1(0), + .ngpio = S5PC100_GPIO_H1_NR, + .label = "GPH1", + .to_irq = samsung_gpiolib_to_irq, + }, + }, { + .base = (S5P_VA_GPIO + 0xC40), + .irq_base = IRQ_EINT(16), + .chip = { + .base = S5PC100_GPH2(0), + .ngpio = S5PC100_GPIO_H2_NR, + .label = "GPH2", + .to_irq = samsung_gpiolib_to_irq, + }, + }, { + .base = (S5P_VA_GPIO + 0xC60), + .irq_base = IRQ_EINT(24), + .chip = { + .base = S5PC100_GPH3(0), + .ngpio = S5PC100_GPIO_H3_NR, + .label = "GPH3", + .to_irq = samsung_gpiolib_to_irq, + }, + }, +#endif +}; + +/* + * Followings are the gpio banks in S5PV210/S5PC110 + * + * The 'config' member when left to NULL, is initialized to the default + * structure samsung_gpio_cfgs[3] in the init function below. + * + * The 'base' member is also initialized in the init function below. + * Note: The initialization of 'base' member of samsung_gpio_chip structure + * uses the above macro and depends on the banks being listed in order here. + */ + +static struct samsung_gpio_chip s5pv210_gpios_4bit[] = { +#ifdef CONFIG_CPU_S5PV210 + { + .chip = { + .base = S5PV210_GPA0(0), + .ngpio = S5PV210_GPIO_A0_NR, + .label = "GPA0", + }, + }, { + .chip = { + .base = S5PV210_GPA1(0), + .ngpio = S5PV210_GPIO_A1_NR, + .label = "GPA1", + }, + }, { + .chip = { + .base = S5PV210_GPB(0), + .ngpio = S5PV210_GPIO_B_NR, + .label = "GPB", + }, + }, { + .chip = { + .base = S5PV210_GPC0(0), + .ngpio = S5PV210_GPIO_C0_NR, + .label = "GPC0", + }, + }, { + .chip = { + .base = S5PV210_GPC1(0), + .ngpio = S5PV210_GPIO_C1_NR, + .label = "GPC1", + }, + }, { + .chip = { + .base = S5PV210_GPD0(0), + .ngpio = S5PV210_GPIO_D0_NR, + .label = "GPD0", + }, + }, { + .chip = { + .base = S5PV210_GPD1(0), + .ngpio = S5PV210_GPIO_D1_NR, + .label = "GPD1", + }, + }, { + .chip = { + .base = S5PV210_GPE0(0), + .ngpio = S5PV210_GPIO_E0_NR, + .label = "GPE0", + }, + }, { + .chip = { + .base = S5PV210_GPE1(0), + .ngpio = S5PV210_GPIO_E1_NR, + .label = "GPE1", + }, + }, { + .chip = { + .base = S5PV210_GPF0(0), + .ngpio = S5PV210_GPIO_F0_NR, + .label = "GPF0", + }, + }, { + .chip = { + .base = S5PV210_GPF1(0), + .ngpio = S5PV210_GPIO_F1_NR, + .label = "GPF1", + }, + }, { + .chip = { + .base = S5PV210_GPF2(0), + .ngpio = S5PV210_GPIO_F2_NR, + .label = "GPF2", + }, + }, { + .chip = { + .base = S5PV210_GPF3(0), + .ngpio = S5PV210_GPIO_F3_NR, + .label = "GPF3", + }, + }, { + .chip = { + .base = S5PV210_GPG0(0), + .ngpio = S5PV210_GPIO_G0_NR, + .label = "GPG0", + }, + }, { + .chip = { + .base = S5PV210_GPG1(0), + .ngpio = S5PV210_GPIO_G1_NR, + .label = "GPG1", + }, + }, { + .chip = { + .base = S5PV210_GPG2(0), + .ngpio = S5PV210_GPIO_G2_NR, + .label = "GPG2", + }, + }, { + .chip = { + .base = S5PV210_GPG3(0), + .ngpio = S5PV210_GPIO_G3_NR, + .label = "GPG3", + }, + }, { + .chip = { + .base = S5PV210_GPI(0), + .ngpio = S5PV210_GPIO_I_NR, + .label = "GPI", + }, + }, { + .chip = { + .base = S5PV210_GPJ0(0), + .ngpio = S5PV210_GPIO_J0_NR, + .label = "GPJ0", + }, + }, { + .chip = { + .base = S5PV210_GPJ1(0), + .ngpio = S5PV210_GPIO_J1_NR, + .label = "GPJ1", + }, + }, { + .chip = { + .base = S5PV210_GPJ2(0), + .ngpio = S5PV210_GPIO_J2_NR, + .label = "GPJ2", + }, + }, { + .chip = { + .base = S5PV210_GPJ3(0), + .ngpio = S5PV210_GPIO_J3_NR, + .label = "GPJ3", + }, + }, { + .chip = { + .base = S5PV210_GPJ4(0), + .ngpio = S5PV210_GPIO_J4_NR, + .label = "GPJ4", + }, + }, { + .chip = { + .base = S5PV210_MP01(0), + .ngpio = S5PV210_GPIO_MP01_NR, + .label = "MP01", + }, + }, { + .chip = { + .base = S5PV210_MP02(0), + .ngpio = S5PV210_GPIO_MP02_NR, + .label = "MP02", + }, + }, { + .chip = { + .base = S5PV210_MP03(0), + .ngpio = S5PV210_GPIO_MP03_NR, + .label = "MP03", + }, + }, { + .chip = { + .base = S5PV210_MP04(0), + .ngpio = S5PV210_GPIO_MP04_NR, + .label = "MP04", + }, + }, { + .chip = { + .base = S5PV210_MP05(0), + .ngpio = S5PV210_GPIO_MP05_NR, + .label = "MP05", + }, + }, { + .base = (S5P_VA_GPIO + 0xC00), + .irq_base = IRQ_EINT(0), + .chip = { + .base = S5PV210_GPH0(0), + .ngpio = S5PV210_GPIO_H0_NR, + .label = "GPH0", + .to_irq = samsung_gpiolib_to_irq, + }, + }, { + .base = (S5P_VA_GPIO + 0xC20), + .irq_base = IRQ_EINT(8), + .chip = { + .base = S5PV210_GPH1(0), + .ngpio = S5PV210_GPIO_H1_NR, + .label = "GPH1", + .to_irq = samsung_gpiolib_to_irq, + }, + }, { + .base = (S5P_VA_GPIO + 0xC40), + .irq_base = IRQ_EINT(16), + .chip = { + .base = S5PV210_GPH2(0), + .ngpio = S5PV210_GPIO_H2_NR, + .label = "GPH2", + .to_irq = samsung_gpiolib_to_irq, + }, + }, { + .base = (S5P_VA_GPIO + 0xC60), + .irq_base = IRQ_EINT(24), + .chip = { + .base = S5PV210_GPH3(0), + .ngpio = S5PV210_GPIO_H3_NR, + .label = "GPH3", + .to_irq = samsung_gpiolib_to_irq, + }, + }, +#endif +}; + +/* + * Followings are the gpio banks in EXYNOS4210 + * + * The 'config' member when left to NULL, is initialized to the default + * structure samsung_gpio_cfgs[3] in the init function below. + * + * The 'base' member is also initialized in the init function below. + * Note: The initialization of 'base' member of samsung_gpio_chip structure + * uses the above macro and depends on the banks being listed in order here. + */ + +static struct samsung_gpio_chip exynos4_gpios_1[] = { +#ifdef CONFIG_ARCH_EXYNOS4 + { + .chip = { + .base = EXYNOS4_GPA0(0), + .ngpio = EXYNOS4_GPIO_A0_NR, + .label = "GPA0", + }, + }, { + .chip = { + .base = EXYNOS4_GPA1(0), + .ngpio = EXYNOS4_GPIO_A1_NR, + .label = "GPA1", + }, + }, { + .chip = { + .base = EXYNOS4_GPB(0), + .ngpio = EXYNOS4_GPIO_B_NR, + .label = "GPB", + }, + }, { + .chip = { + .base = EXYNOS4_GPC0(0), + .ngpio = EXYNOS4_GPIO_C0_NR, + .label = "GPC0", + }, + }, { + .chip = { + .base = EXYNOS4_GPC1(0), + .ngpio = EXYNOS4_GPIO_C1_NR, + .label = "GPC1", + }, + }, { + .chip = { + .base = EXYNOS4_GPD0(0), + .ngpio = EXYNOS4_GPIO_D0_NR, + .label = "GPD0", + }, + }, { + .chip = { + .base = EXYNOS4_GPD1(0), + .ngpio = EXYNOS4_GPIO_D1_NR, + .label = "GPD1", + }, + }, { + .chip = { + .base = EXYNOS4_GPE0(0), + .ngpio = EXYNOS4_GPIO_E0_NR, + .label = "GPE0", + }, + }, { + .chip = { + .base = EXYNOS4_GPE1(0), + .ngpio = EXYNOS4_GPIO_E1_NR, + .label = "GPE1", + }, + }, { + .chip = { + .base = EXYNOS4_GPE2(0), + .ngpio = EXYNOS4_GPIO_E2_NR, + .label = "GPE2", + }, + }, { + .chip = { + .base = EXYNOS4_GPE3(0), + .ngpio = EXYNOS4_GPIO_E3_NR, + .label = "GPE3", + }, + }, { + .chip = { + .base = EXYNOS4_GPE4(0), + .ngpio = EXYNOS4_GPIO_E4_NR, + .label = "GPE4", + }, + }, { + .chip = { + .base = EXYNOS4_GPF0(0), + .ngpio = EXYNOS4_GPIO_F0_NR, + .label = "GPF0", + }, + }, { + .chip = { + .base = EXYNOS4_GPF1(0), + .ngpio = EXYNOS4_GPIO_F1_NR, + .label = "GPF1", + }, + }, { + .chip = { + .base = EXYNOS4_GPF2(0), + .ngpio = EXYNOS4_GPIO_F2_NR, + .label = "GPF2", + }, + }, { + .chip = { + .base = EXYNOS4_GPF3(0), + .ngpio = EXYNOS4_GPIO_F3_NR, + .label = "GPF3", + }, + }, +#endif +}; + +static struct samsung_gpio_chip exynos4_gpios_2[] = { +#ifdef CONFIG_ARCH_EXYNOS4 + { + .chip = { + .base = EXYNOS4_GPJ0(0), + .ngpio = EXYNOS4_GPIO_J0_NR, + .label = "GPJ0", + }, + }, { + .chip = { + .base = EXYNOS4_GPJ1(0), + .ngpio = EXYNOS4_GPIO_J1_NR, + .label = "GPJ1", + }, + }, { + .chip = { + .base = EXYNOS4_GPK0(0), + .ngpio = EXYNOS4_GPIO_K0_NR, + .label = "GPK0", + }, + }, { + .chip = { + .base = EXYNOS4_GPK1(0), + .ngpio = EXYNOS4_GPIO_K1_NR, + .label = "GPK1", + }, + }, { + .chip = { + .base = EXYNOS4_GPK2(0), + .ngpio = EXYNOS4_GPIO_K2_NR, + .label = "GPK2", + }, + }, { + .chip = { + .base = EXYNOS4_GPK3(0), + .ngpio = EXYNOS4_GPIO_K3_NR, + .label = "GPK3", + }, + }, { + .chip = { + .base = EXYNOS4_GPL0(0), + .ngpio = EXYNOS4_GPIO_L0_NR, + .label = "GPL0", + }, + }, { + .chip = { + .base = EXYNOS4_GPL1(0), + .ngpio = EXYNOS4_GPIO_L1_NR, + .label = "GPL1", + }, + }, { + .chip = { + .base = EXYNOS4_GPL2(0), + .ngpio = EXYNOS4_GPIO_L2_NR, + .label = "GPL2", + }, + }, { + .config = &samsung_gpio_cfgs[0], + .chip = { + .base = EXYNOS4_GPY0(0), + .ngpio = EXYNOS4_GPIO_Y0_NR, + .label = "GPY0", + }, + }, { + .config = &samsung_gpio_cfgs[0], + .chip = { + .base = EXYNOS4_GPY1(0), + .ngpio = EXYNOS4_GPIO_Y1_NR, + .label = "GPY1", + }, + }, { + .config = &samsung_gpio_cfgs[0], + .chip = { + .base = EXYNOS4_GPY2(0), + .ngpio = EXYNOS4_GPIO_Y2_NR, + .label = "GPY2", + }, + }, { + .config = &samsung_gpio_cfgs[0], + .chip = { + .base = EXYNOS4_GPY3(0), + .ngpio = EXYNOS4_GPIO_Y3_NR, + .label = "GPY3", + }, + }, { + .config = &samsung_gpio_cfgs[0], + .chip = { + .base = EXYNOS4_GPY4(0), + .ngpio = EXYNOS4_GPIO_Y4_NR, + .label = "GPY4", + }, + }, { + .config = &samsung_gpio_cfgs[0], + .chip = { + .base = EXYNOS4_GPY5(0), + .ngpio = EXYNOS4_GPIO_Y5_NR, + .label = "GPY5", + }, + }, { + .config = &samsung_gpio_cfgs[0], + .chip = { + .base = EXYNOS4_GPY6(0), + .ngpio = EXYNOS4_GPIO_Y6_NR, + .label = "GPY6", + }, + }, { + .base = (S5P_VA_GPIO2 + 0xC00), + .config = &samsung_gpio_cfgs[3], + .irq_base = IRQ_EINT(0), + .chip = { + .base = EXYNOS4_GPX0(0), + .ngpio = EXYNOS4_GPIO_X0_NR, + .label = "GPX0", + .to_irq = samsung_gpiolib_to_irq, + }, + }, { + .base = (S5P_VA_GPIO2 + 0xC20), + .config = &samsung_gpio_cfgs[3], + .irq_base = IRQ_EINT(8), + .chip = { + .base = EXYNOS4_GPX1(0), + .ngpio = EXYNOS4_GPIO_X1_NR, + .label = "GPX1", + .to_irq = samsung_gpiolib_to_irq, + }, + }, { + .base = (S5P_VA_GPIO2 + 0xC40), + .config = &samsung_gpio_cfgs[3], + .irq_base = IRQ_EINT(16), + .chip = { + .base = EXYNOS4_GPX2(0), + .ngpio = EXYNOS4_GPIO_X2_NR, + .label = "GPX2", + .to_irq = samsung_gpiolib_to_irq, + }, + }, { + .base = (S5P_VA_GPIO2 + 0xC60), + .config = &samsung_gpio_cfgs[3], + .irq_base = IRQ_EINT(24), + .chip = { + .base = EXYNOS4_GPX3(0), + .ngpio = EXYNOS4_GPIO_X3_NR, + .label = "GPX3", + .to_irq = samsung_gpiolib_to_irq, + }, + }, +#endif +}; + +static struct samsung_gpio_chip exynos4_gpios_3[] = { +#ifdef CONFIG_ARCH_EXYNOS4 + { + .chip = { + .base = EXYNOS4_GPZ(0), + .ngpio = EXYNOS4_GPIO_Z_NR, + .label = "GPZ", + }, + }, +#endif +}; + +/* TODO: cleanup soc_is_* */ +static __init int samsung_gpiolib_init(void) +{ + struct samsung_gpio_chip *chip; + int i, nr_chips; + int group = 0; + + samsung_gpiolib_set_cfg(samsung_gpio_cfgs, ARRAY_SIZE(samsung_gpio_cfgs)); + + if (soc_is_s3c24xx()) { + s3c24xx_gpiolib_add_chips(s3c24xx_gpios, + ARRAY_SIZE(s3c24xx_gpios), S3C24XX_VA_GPIO); + } else if (soc_is_s3c64xx()) { + samsung_gpiolib_add_2bit_chips(s3c64xx_gpios_2bit, + ARRAY_SIZE(s3c64xx_gpios_2bit), + S3C64XX_VA_GPIO + 0xE0, 0x20); + samsung_gpiolib_add_4bit_chips(s3c64xx_gpios_4bit, + ARRAY_SIZE(s3c64xx_gpios_4bit), + S3C64XX_VA_GPIO); + samsung_gpiolib_add_4bit2_chips(s3c64xx_gpios_4bit2, + ARRAY_SIZE(s3c64xx_gpios_4bit2)); + } else if (soc_is_s5p6440()) { + samsung_gpiolib_add_2bit_chips(s5p6440_gpios_2bit, + ARRAY_SIZE(s5p6440_gpios_2bit), NULL, 0x0); + samsung_gpiolib_add_4bit_chips(s5p6440_gpios_4bit, + ARRAY_SIZE(s5p6440_gpios_4bit), S5P_VA_GPIO); + samsung_gpiolib_add_4bit2_chips(s5p6440_gpios_4bit2, + ARRAY_SIZE(s5p6440_gpios_4bit2)); + s5p64x0_gpiolib_add_rbank(s5p6440_gpios_rbank, + ARRAY_SIZE(s5p6440_gpios_rbank)); + } else if (soc_is_s5p6450()) { + samsung_gpiolib_add_2bit_chips(s5p6450_gpios_2bit, + ARRAY_SIZE(s5p6450_gpios_2bit), NULL, 0x0); + samsung_gpiolib_add_4bit_chips(s5p6450_gpios_4bit, + ARRAY_SIZE(s5p6450_gpios_4bit), S5P_VA_GPIO); + samsung_gpiolib_add_4bit2_chips(s5p6450_gpios_4bit2, + ARRAY_SIZE(s5p6450_gpios_4bit2)); + s5p64x0_gpiolib_add_rbank(s5p6450_gpios_rbank, + ARRAY_SIZE(s5p6450_gpios_rbank)); + } else if (soc_is_s5pc100()) { + group = 0; + chip = s5pc100_gpios_4bit; + nr_chips = ARRAY_SIZE(s5pc100_gpios_4bit); + + for (i = 0; i < nr_chips; i++, chip++) { + if (!chip->config) { + chip->config = &samsung_gpio_cfgs[3]; + chip->group = group++; + } + } + samsung_gpiolib_add_4bit_chips(s5pc100_gpios_4bit, nr_chips, S5P_VA_GPIO); +#if defined(CONFIG_CPU_S5PC100) && defined(CONFIG_S5P_GPIO_INT) + s5p_register_gpioint_bank(IRQ_GPIOINT, 0, S5P_GPIOINT_GROUP_MAXNR); +#endif + } else if (soc_is_s5pv210()) { + group = 0; + chip = s5pv210_gpios_4bit; + nr_chips = ARRAY_SIZE(s5pv210_gpios_4bit); + + for (i = 0; i < nr_chips; i++, chip++) { + if (!chip->config) { + chip->config = &samsung_gpio_cfgs[3]; + chip->group = group++; + } + } + samsung_gpiolib_add_4bit_chips(s5pv210_gpios_4bit, nr_chips, S5P_VA_GPIO); +#if defined(CONFIG_CPU_S5PV210) && defined(CONFIG_S5P_GPIO_INT) + s5p_register_gpioint_bank(IRQ_GPIOINT, 0, S5P_GPIOINT_GROUP_MAXNR); +#endif + } else if (soc_is_exynos4210()) { + group = 0; + + /* gpio part1 */ + chip = exynos4_gpios_1; + nr_chips = ARRAY_SIZE(exynos4_gpios_1); + + for (i = 0; i < nr_chips; i++, chip++) { + if (!chip->config) { + chip->config = &exynos4_gpio_cfg; + chip->group = group++; + } + } + samsung_gpiolib_add_4bit_chips(exynos4_gpios_1, nr_chips, S5P_VA_GPIO1); + + /* gpio part2 */ + chip = exynos4_gpios_2; + nr_chips = ARRAY_SIZE(exynos4_gpios_2); + + for (i = 0; i < nr_chips; i++, chip++) { + if (!chip->config) { + chip->config = &exynos4_gpio_cfg; + chip->group = group++; + } + } + samsung_gpiolib_add_4bit_chips(exynos4_gpios_2, nr_chips, S5P_VA_GPIO2); + + /* gpio part3 */ + chip = exynos4_gpios_3; + nr_chips = ARRAY_SIZE(exynos4_gpios_3); + + for (i = 0; i < nr_chips; i++, chip++) { + if (!chip->config) { + chip->config = &exynos4_gpio_cfg; + chip->group = group++; + } + } + samsung_gpiolib_add_4bit_chips(exynos4_gpios_3, nr_chips, S5P_VA_GPIO3); + +#if defined(CONFIG_CPU_EXYNOS4210) && defined(CONFIG_S5P_GPIO_INT) + s5p_register_gpioint_bank(IRQ_GPIO_XA, 0, IRQ_GPIO1_NR_GROUPS); + s5p_register_gpioint_bank(IRQ_GPIO_XB, IRQ_GPIO1_NR_GROUPS, IRQ_GPIO2_NR_GROUPS); +#endif + } + + return 0; +} +core_initcall(samsung_gpiolib_init); + +int s3c_gpio_cfgpin(unsigned int pin, unsigned int config) +{ + struct samsung_gpio_chip *chip = samsung_gpiolib_getchip(pin); + unsigned long flags; + int offset; + int ret; + + if (!chip) + return -EINVAL; + + offset = pin - chip->chip.base; + + samsung_gpio_lock(chip, flags); + ret = samsung_gpio_do_setcfg(chip, offset, config); + samsung_gpio_unlock(chip, flags); + + return ret; +} +EXPORT_SYMBOL(s3c_gpio_cfgpin); + +int s3c_gpio_cfgpin_range(unsigned int start, unsigned int nr, + unsigned int cfg) +{ + int ret; + + for (; nr > 0; nr--, start++) { + ret = s3c_gpio_cfgpin(start, cfg); + if (ret != 0) + return ret; + } + + return 0; +} +EXPORT_SYMBOL_GPL(s3c_gpio_cfgpin_range); + +int s3c_gpio_cfgall_range(unsigned int start, unsigned int nr, + unsigned int cfg, samsung_gpio_pull_t pull) +{ + int ret; + + for (; nr > 0; nr--, start++) { + s3c_gpio_setpull(start, pull); + ret = s3c_gpio_cfgpin(start, cfg); + if (ret != 0) + return ret; + } + + return 0; +} +EXPORT_SYMBOL_GPL(s3c_gpio_cfgall_range); + +unsigned s3c_gpio_getcfg(unsigned int pin) +{ + struct samsung_gpio_chip *chip = samsung_gpiolib_getchip(pin); + unsigned long flags; + unsigned ret = 0; + int offset; + + if (chip) { + offset = pin - chip->chip.base; + + samsung_gpio_lock(chip, flags); + ret = samsung_gpio_do_getcfg(chip, offset); + samsung_gpio_unlock(chip, flags); + } + + return ret; +} +EXPORT_SYMBOL(s3c_gpio_getcfg); + +int s3c_gpio_setpull(unsigned int pin, samsung_gpio_pull_t pull) +{ + struct samsung_gpio_chip *chip = samsung_gpiolib_getchip(pin); + unsigned long flags; + int offset, ret; + + if (!chip) + return -EINVAL; + + offset = pin - chip->chip.base; + + samsung_gpio_lock(chip, flags); + ret = samsung_gpio_do_setpull(chip, offset, pull); + samsung_gpio_unlock(chip, flags); + + return ret; +} +EXPORT_SYMBOL(s3c_gpio_setpull); + +samsung_gpio_pull_t s3c_gpio_getpull(unsigned int pin) +{ + struct samsung_gpio_chip *chip = samsung_gpiolib_getchip(pin); + unsigned long flags; + int offset; + u32 pup = 0; + + if (chip) { + offset = pin - chip->chip.base; + + samsung_gpio_lock(chip, flags); + pup = samsung_gpio_do_getpull(chip, offset); + samsung_gpio_unlock(chip, flags); + } + + return (__force samsung_gpio_pull_t)pup; +} +EXPORT_SYMBOL(s3c_gpio_getpull); + +/* gpiolib wrappers until these are totally eliminated */ + +void s3c2410_gpio_pullup(unsigned int pin, unsigned int to) +{ + int ret; + + WARN_ON(to); /* should be none of these left */ + + if (!to) { + /* if pull is enabled, try first with up, and if that + * fails, try using down */ + + ret = s3c_gpio_setpull(pin, S3C_GPIO_PULL_UP); + if (ret) + s3c_gpio_setpull(pin, S3C_GPIO_PULL_DOWN); + } else { + s3c_gpio_setpull(pin, S3C_GPIO_PULL_NONE); + } +} +EXPORT_SYMBOL(s3c2410_gpio_pullup); + +void s3c2410_gpio_setpin(unsigned int pin, unsigned int to) +{ + /* do this via gpiolib until all users removed */ + + gpio_request(pin, "temporary"); + gpio_set_value(pin, to); + gpio_free(pin); +} +EXPORT_SYMBOL(s3c2410_gpio_setpin); + +unsigned int s3c2410_gpio_getpin(unsigned int pin) +{ + struct samsung_gpio_chip *chip = samsung_gpiolib_getchip(pin); + unsigned long offs = pin - chip->chip.base; + + return __raw_readl(chip->base + 0x04) & (1 << offs); +} +EXPORT_SYMBOL(s3c2410_gpio_getpin); + +#ifdef CONFIG_S5P_GPIO_DRVSTR +s5p_gpio_drvstr_t s5p_gpio_get_drvstr(unsigned int pin) +{ + struct samsung_gpio_chip *chip = samsung_gpiolib_getchip(pin); + unsigned int off; + void __iomem *reg; + int shift; + u32 drvstr; + + if (!chip) + return -EINVAL; + + off = pin - chip->chip.base; + shift = off * 2; + reg = chip->base + 0x0C; + + drvstr = __raw_readl(reg); + drvstr = drvstr >> shift; + drvstr &= 0x3; + + return (__force s5p_gpio_drvstr_t)drvstr; +} +EXPORT_SYMBOL(s5p_gpio_get_drvstr); + +int s5p_gpio_set_drvstr(unsigned int pin, s5p_gpio_drvstr_t drvstr) +{ + struct samsung_gpio_chip *chip = samsung_gpiolib_getchip(pin); + unsigned int off; + void __iomem *reg; + int shift; + u32 tmp; + + if (!chip) + return -EINVAL; + + off = pin - chip->chip.base; + shift = off * 2; + reg = chip->base + 0x0C; + + tmp = __raw_readl(reg); + tmp &= ~(0x3 << shift); + tmp |= drvstr << shift; + + __raw_writel(tmp, reg); + + return 0; +} +EXPORT_SYMBOL(s5p_gpio_set_drvstr); +#endif /* CONFIG_S5P_GPIO_DRVSTR */ + +#ifdef CONFIG_PLAT_S3C24XX +unsigned int s3c2410_modify_misccr(unsigned int clear, unsigned int change) +{ + unsigned long flags; + unsigned long misccr; + + local_irq_save(flags); + misccr = __raw_readl(S3C24XX_MISCCR); + misccr &= ~clear; + misccr ^= change; + __raw_writel(misccr, S3C24XX_MISCCR); + local_irq_restore(flags); + + return misccr; +} +EXPORT_SYMBOL(s3c2410_modify_misccr); +#endif diff --git a/drivers/gpu/drm/radeon/evergreen.c b/drivers/gpu/drm/radeon/evergreen.c index dc0a5b56c81a..e8a746712b5b 100644 --- a/drivers/gpu/drm/radeon/evergreen.c +++ b/drivers/gpu/drm/radeon/evergreen.c @@ -1404,7 +1404,8 @@ int evergreen_cp_resume(struct radeon_device *rdev) /* Initialize the ring buffer's read and write pointers */ WREG32(CP_RB_CNTL, tmp | RB_RPTR_WR_ENA); WREG32(CP_RB_RPTR_WR, 0); - WREG32(CP_RB_WPTR, 0); + rdev->cp.wptr = 0; + WREG32(CP_RB_WPTR, rdev->cp.wptr); /* set the wb address wether it's enabled or not */ WREG32(CP_RB_RPTR_ADDR, @@ -1426,7 +1427,6 @@ int evergreen_cp_resume(struct radeon_device *rdev) WREG32(CP_DEBUG, (1 << 27) | (1 << 28)); rdev->cp.rptr = RREG32(CP_RB_RPTR); - rdev->cp.wptr = RREG32(CP_RB_WPTR); evergreen_cp_start(rdev); rdev->cp.ready = true; @@ -3171,21 +3171,23 @@ int evergreen_suspend(struct radeon_device *rdev) } int evergreen_copy_blit(struct radeon_device *rdev, - uint64_t src_offset, uint64_t dst_offset, - unsigned num_pages, struct radeon_fence *fence) + uint64_t src_offset, + uint64_t dst_offset, + unsigned num_gpu_pages, + struct radeon_fence *fence) { int r; mutex_lock(&rdev->r600_blit.mutex); rdev->r600_blit.vb_ib = NULL; - r = evergreen_blit_prepare_copy(rdev, num_pages * RADEON_GPU_PAGE_SIZE); + r = evergreen_blit_prepare_copy(rdev, num_gpu_pages * RADEON_GPU_PAGE_SIZE); if (r) { if (rdev->r600_blit.vb_ib) radeon_ib_free(rdev, &rdev->r600_blit.vb_ib); mutex_unlock(&rdev->r600_blit.mutex); return r; } - evergreen_kms_blit_copy(rdev, src_offset, dst_offset, num_pages * RADEON_GPU_PAGE_SIZE); + evergreen_kms_blit_copy(rdev, src_offset, dst_offset, num_gpu_pages * RADEON_GPU_PAGE_SIZE); evergreen_blit_done_copy(rdev, fence); mutex_unlock(&rdev->r600_blit.mutex); return 0; diff --git a/drivers/gpu/drm/radeon/ni.c b/drivers/gpu/drm/radeon/ni.c index cbf57d75d925..99fbd793c08c 100644 --- a/drivers/gpu/drm/radeon/ni.c +++ b/drivers/gpu/drm/radeon/ni.c @@ -1187,7 +1187,8 @@ int cayman_cp_resume(struct radeon_device *rdev) /* Initialize the ring buffer's read and write pointers */ WREG32(CP_RB0_CNTL, tmp | RB_RPTR_WR_ENA); - WREG32(CP_RB0_WPTR, 0); + rdev->cp.wptr = 0; + WREG32(CP_RB0_WPTR, rdev->cp.wptr); /* set the wb address wether it's enabled or not */ WREG32(CP_RB0_RPTR_ADDR, (rdev->wb.gpu_addr + RADEON_WB_CP_RPTR_OFFSET) & 0xFFFFFFFC); @@ -1207,7 +1208,6 @@ int cayman_cp_resume(struct radeon_device *rdev) WREG32(CP_RB0_BASE, rdev->cp.gpu_addr >> 8); rdev->cp.rptr = RREG32(CP_RB0_RPTR); - rdev->cp.wptr = RREG32(CP_RB0_WPTR); /* ring1 - compute only */ /* Set ring buffer size */ @@ -1220,7 +1220,8 @@ int cayman_cp_resume(struct radeon_device *rdev) /* Initialize the ring buffer's read and write pointers */ WREG32(CP_RB1_CNTL, tmp | RB_RPTR_WR_ENA); - WREG32(CP_RB1_WPTR, 0); + rdev->cp1.wptr = 0; + WREG32(CP_RB1_WPTR, rdev->cp1.wptr); /* set the wb address wether it's enabled or not */ WREG32(CP_RB1_RPTR_ADDR, (rdev->wb.gpu_addr + RADEON_WB_CP1_RPTR_OFFSET) & 0xFFFFFFFC); @@ -1232,7 +1233,6 @@ int cayman_cp_resume(struct radeon_device *rdev) WREG32(CP_RB1_BASE, rdev->cp1.gpu_addr >> 8); rdev->cp1.rptr = RREG32(CP_RB1_RPTR); - rdev->cp1.wptr = RREG32(CP_RB1_WPTR); /* ring2 - compute only */ /* Set ring buffer size */ @@ -1245,7 +1245,8 @@ int cayman_cp_resume(struct radeon_device *rdev) /* Initialize the ring buffer's read and write pointers */ WREG32(CP_RB2_CNTL, tmp | RB_RPTR_WR_ENA); - WREG32(CP_RB2_WPTR, 0); + rdev->cp2.wptr = 0; + WREG32(CP_RB2_WPTR, rdev->cp2.wptr); /* set the wb address wether it's enabled or not */ WREG32(CP_RB2_RPTR_ADDR, (rdev->wb.gpu_addr + RADEON_WB_CP2_RPTR_OFFSET) & 0xFFFFFFFC); @@ -1257,7 +1258,6 @@ int cayman_cp_resume(struct radeon_device *rdev) WREG32(CP_RB2_BASE, rdev->cp2.gpu_addr >> 8); rdev->cp2.rptr = RREG32(CP_RB2_RPTR); - rdev->cp2.wptr = RREG32(CP_RB2_WPTR); /* start the rings */ cayman_cp_start(rdev); diff --git a/drivers/gpu/drm/radeon/r100.c b/drivers/gpu/drm/radeon/r100.c index f2204cb1ccdf..7fcdbbbf2979 100644 --- a/drivers/gpu/drm/radeon/r100.c +++ b/drivers/gpu/drm/radeon/r100.c @@ -721,11 +721,11 @@ void r100_fence_ring_emit(struct radeon_device *rdev, int r100_copy_blit(struct radeon_device *rdev, uint64_t src_offset, uint64_t dst_offset, - unsigned num_pages, + unsigned num_gpu_pages, struct radeon_fence *fence) { uint32_t cur_pages; - uint32_t stride_bytes = PAGE_SIZE; + uint32_t stride_bytes = RADEON_GPU_PAGE_SIZE; uint32_t pitch; uint32_t stride_pixels; unsigned ndw; @@ -737,7 +737,7 @@ int r100_copy_blit(struct radeon_device *rdev, /* radeon pitch is /64 */ pitch = stride_bytes / 64; stride_pixels = stride_bytes / 4; - num_loops = DIV_ROUND_UP(num_pages, 8191); + num_loops = DIV_ROUND_UP(num_gpu_pages, 8191); /* Ask for enough room for blit + flush + fence */ ndw = 64 + (10 * num_loops); @@ -746,12 +746,12 @@ int r100_copy_blit(struct radeon_device *rdev, DRM_ERROR("radeon: moving bo (%d) asking for %u dw.\n", r, ndw); return -EINVAL; } - while (num_pages > 0) { - cur_pages = num_pages; + while (num_gpu_pages > 0) { + cur_pages = num_gpu_pages; if (cur_pages > 8191) { cur_pages = 8191; } - num_pages -= cur_pages; + num_gpu_pages -= cur_pages; /* pages are in Y direction - height page width in X direction - width */ @@ -773,8 +773,8 @@ int r100_copy_blit(struct radeon_device *rdev, radeon_ring_write(rdev, (0x1fff) | (0x1fff << 16)); radeon_ring_write(rdev, 0); radeon_ring_write(rdev, (0x1fff) | (0x1fff << 16)); - radeon_ring_write(rdev, num_pages); - radeon_ring_write(rdev, num_pages); + radeon_ring_write(rdev, num_gpu_pages); + radeon_ring_write(rdev, num_gpu_pages); radeon_ring_write(rdev, cur_pages | (stride_pixels << 16)); } radeon_ring_write(rdev, PACKET0(RADEON_DSTCACHE_CTLSTAT, 0)); @@ -990,7 +990,8 @@ int r100_cp_init(struct radeon_device *rdev, unsigned ring_size) /* Force read & write ptr to 0 */ WREG32(RADEON_CP_RB_CNTL, tmp | RADEON_RB_RPTR_WR_ENA | RADEON_RB_NO_UPDATE); WREG32(RADEON_CP_RB_RPTR_WR, 0); - WREG32(RADEON_CP_RB_WPTR, 0); + rdev->cp.wptr = 0; + WREG32(RADEON_CP_RB_WPTR, rdev->cp.wptr); /* set the wb address whether it's enabled or not */ WREG32(R_00070C_CP_RB_RPTR_ADDR, @@ -1007,9 +1008,6 @@ int r100_cp_init(struct radeon_device *rdev, unsigned ring_size) WREG32(RADEON_CP_RB_CNTL, tmp); udelay(10); rdev->cp.rptr = RREG32(RADEON_CP_RB_RPTR); - rdev->cp.wptr = RREG32(RADEON_CP_RB_WPTR); - /* protect against crazy HW on resume */ - rdev->cp.wptr &= rdev->cp.ptr_mask; /* Set cp mode to bus mastering & enable cp*/ WREG32(RADEON_CP_CSQ_MODE, REG_SET(RADEON_INDIRECT2_START, indirect2_start) | diff --git a/drivers/gpu/drm/radeon/r200.c b/drivers/gpu/drm/radeon/r200.c index f24058300413..a1f3ba063c2d 100644 --- a/drivers/gpu/drm/radeon/r200.c +++ b/drivers/gpu/drm/radeon/r200.c @@ -84,7 +84,7 @@ static int r200_get_vtx_size_0(uint32_t vtx_fmt_0) int r200_copy_dma(struct radeon_device *rdev, uint64_t src_offset, uint64_t dst_offset, - unsigned num_pages, + unsigned num_gpu_pages, struct radeon_fence *fence) { uint32_t size; @@ -93,7 +93,7 @@ int r200_copy_dma(struct radeon_device *rdev, int r = 0; /* radeon pitch is /64 */ - size = num_pages << PAGE_SHIFT; + size = num_gpu_pages << RADEON_GPU_PAGE_SHIFT; num_loops = DIV_ROUND_UP(size, 0x1FFFFF); r = radeon_ring_lock(rdev, num_loops * 4 + 64); if (r) { diff --git a/drivers/gpu/drm/radeon/r600.c b/drivers/gpu/drm/radeon/r600.c index aa5571b73aa0..720dd99163f8 100644 --- a/drivers/gpu/drm/radeon/r600.c +++ b/drivers/gpu/drm/radeon/r600.c @@ -2209,7 +2209,8 @@ int r600_cp_resume(struct radeon_device *rdev) /* Initialize the ring buffer's read and write pointers */ WREG32(CP_RB_CNTL, tmp | RB_RPTR_WR_ENA); WREG32(CP_RB_RPTR_WR, 0); - WREG32(CP_RB_WPTR, 0); + rdev->cp.wptr = 0; + WREG32(CP_RB_WPTR, rdev->cp.wptr); /* set the wb address whether it's enabled or not */ WREG32(CP_RB_RPTR_ADDR, @@ -2231,7 +2232,6 @@ int r600_cp_resume(struct radeon_device *rdev) WREG32(CP_DEBUG, (1 << 27) | (1 << 28)); rdev->cp.rptr = RREG32(CP_RB_RPTR); - rdev->cp.wptr = RREG32(CP_RB_WPTR); r600_cp_start(rdev); rdev->cp.ready = true; @@ -2353,21 +2353,23 @@ void r600_fence_ring_emit(struct radeon_device *rdev, } int r600_copy_blit(struct radeon_device *rdev, - uint64_t src_offset, uint64_t dst_offset, - unsigned num_pages, struct radeon_fence *fence) + uint64_t src_offset, + uint64_t dst_offset, + unsigned num_gpu_pages, + struct radeon_fence *fence) { int r; mutex_lock(&rdev->r600_blit.mutex); rdev->r600_blit.vb_ib = NULL; - r = r600_blit_prepare_copy(rdev, num_pages * RADEON_GPU_PAGE_SIZE); + r = r600_blit_prepare_copy(rdev, num_gpu_pages * RADEON_GPU_PAGE_SIZE); if (r) { if (rdev->r600_blit.vb_ib) radeon_ib_free(rdev, &rdev->r600_blit.vb_ib); mutex_unlock(&rdev->r600_blit.mutex); return r; } - r600_kms_blit_copy(rdev, src_offset, dst_offset, num_pages * RADEON_GPU_PAGE_SIZE); + r600_kms_blit_copy(rdev, src_offset, dst_offset, num_gpu_pages * RADEON_GPU_PAGE_SIZE); r600_blit_done_copy(rdev, fence); mutex_unlock(&rdev->r600_blit.mutex); return 0; diff --git a/drivers/gpu/drm/radeon/radeon.h b/drivers/gpu/drm/radeon/radeon.h index 32807baf55e2..c1e056b35b29 100644 --- a/drivers/gpu/drm/radeon/radeon.h +++ b/drivers/gpu/drm/radeon/radeon.h @@ -322,6 +322,7 @@ union radeon_gart_table { #define RADEON_GPU_PAGE_SIZE 4096 #define RADEON_GPU_PAGE_MASK (RADEON_GPU_PAGE_SIZE - 1) +#define RADEON_GPU_PAGE_SHIFT 12 struct radeon_gart { dma_addr_t table_addr; @@ -914,17 +915,17 @@ struct radeon_asic { int (*copy_blit)(struct radeon_device *rdev, uint64_t src_offset, uint64_t dst_offset, - unsigned num_pages, + unsigned num_gpu_pages, struct radeon_fence *fence); int (*copy_dma)(struct radeon_device *rdev, uint64_t src_offset, uint64_t dst_offset, - unsigned num_pages, + unsigned num_gpu_pages, struct radeon_fence *fence); int (*copy)(struct radeon_device *rdev, uint64_t src_offset, uint64_t dst_offset, - unsigned num_pages, + unsigned num_gpu_pages, struct radeon_fence *fence); uint32_t (*get_engine_clock)(struct radeon_device *rdev); void (*set_engine_clock)(struct radeon_device *rdev, uint32_t eng_clock); diff --git a/drivers/gpu/drm/radeon/radeon_asic.h b/drivers/gpu/drm/radeon/radeon_asic.h index 3d7a0d7c6a9a..3dedaa07aac1 100644 --- a/drivers/gpu/drm/radeon/radeon_asic.h +++ b/drivers/gpu/drm/radeon/radeon_asic.h @@ -75,7 +75,7 @@ uint32_t r100_pll_rreg(struct radeon_device *rdev, uint32_t reg); int r100_copy_blit(struct radeon_device *rdev, uint64_t src_offset, uint64_t dst_offset, - unsigned num_pages, + unsigned num_gpu_pages, struct radeon_fence *fence); int r100_set_surface_reg(struct radeon_device *rdev, int reg, uint32_t tiling_flags, uint32_t pitch, @@ -143,7 +143,7 @@ extern void r100_post_page_flip(struct radeon_device *rdev, int crtc); extern int r200_copy_dma(struct radeon_device *rdev, uint64_t src_offset, uint64_t dst_offset, - unsigned num_pages, + unsigned num_gpu_pages, struct radeon_fence *fence); void r200_set_safe_registers(struct radeon_device *rdev); @@ -311,7 +311,7 @@ void r600_ring_ib_execute(struct radeon_device *rdev, struct radeon_ib *ib); int r600_ring_test(struct radeon_device *rdev); int r600_copy_blit(struct radeon_device *rdev, uint64_t src_offset, uint64_t dst_offset, - unsigned num_pages, struct radeon_fence *fence); + unsigned num_gpu_pages, struct radeon_fence *fence); void r600_hpd_init(struct radeon_device *rdev); void r600_hpd_fini(struct radeon_device *rdev); bool r600_hpd_sense(struct radeon_device *rdev, enum radeon_hpd_id hpd); @@ -403,7 +403,7 @@ void evergreen_bandwidth_update(struct radeon_device *rdev); void evergreen_ring_ib_execute(struct radeon_device *rdev, struct radeon_ib *ib); int evergreen_copy_blit(struct radeon_device *rdev, uint64_t src_offset, uint64_t dst_offset, - unsigned num_pages, struct radeon_fence *fence); + unsigned num_gpu_pages, struct radeon_fence *fence); void evergreen_hpd_init(struct radeon_device *rdev); void evergreen_hpd_fini(struct radeon_device *rdev); bool evergreen_hpd_sense(struct radeon_device *rdev, enum radeon_hpd_id hpd); diff --git a/drivers/gpu/drm/radeon/radeon_display.c b/drivers/gpu/drm/radeon/radeon_display.c index 6cc17fb96a57..6adb3e58affd 100644 --- a/drivers/gpu/drm/radeon/radeon_display.c +++ b/drivers/gpu/drm/radeon/radeon_display.c @@ -473,8 +473,8 @@ pflip_cleanup: spin_lock_irqsave(&dev->event_lock, flags); radeon_crtc->unpin_work = NULL; unlock_free: - drm_gem_object_unreference_unlocked(old_radeon_fb->obj); spin_unlock_irqrestore(&dev->event_lock, flags); + drm_gem_object_unreference_unlocked(old_radeon_fb->obj); radeon_fence_unref(&work->fence); kfree(work); diff --git a/drivers/gpu/drm/radeon/radeon_encoders.c b/drivers/gpu/drm/radeon/radeon_encoders.c index 319d85d7e759..13690f3eb4a4 100644 --- a/drivers/gpu/drm/radeon/radeon_encoders.c +++ b/drivers/gpu/drm/radeon/radeon_encoders.c @@ -1507,7 +1507,14 @@ radeon_atom_encoder_dpms(struct drm_encoder *encoder, int mode) switch (mode) { case DRM_MODE_DPMS_ON: args.ucAction = ATOM_ENABLE; - atom_execute_table(rdev->mode_info.atom_context, index, (uint32_t *)&args); + /* workaround for DVOOutputControl on some RS690 systems */ + if (radeon_encoder->encoder_id == ENCODER_OBJECT_ID_INTERNAL_DDI) { + u32 reg = RREG32(RADEON_BIOS_3_SCRATCH); + WREG32(RADEON_BIOS_3_SCRATCH, reg & ~ATOM_S3_DFP2I_ACTIVE); + atom_execute_table(rdev->mode_info.atom_context, index, (uint32_t *)&args); + WREG32(RADEON_BIOS_3_SCRATCH, reg); + } else + atom_execute_table(rdev->mode_info.atom_context, index, (uint32_t *)&args); if (radeon_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT)) { args.ucAction = ATOM_LCD_BLON; atom_execute_table(rdev->mode_info.atom_context, index, (uint32_t *)&args); diff --git a/drivers/gpu/drm/radeon/radeon_ttm.c b/drivers/gpu/drm/radeon/radeon_ttm.c index 9b86fb0e4122..0b5468bfaf54 100644 --- a/drivers/gpu/drm/radeon/radeon_ttm.c +++ b/drivers/gpu/drm/radeon/radeon_ttm.c @@ -277,7 +277,12 @@ static int radeon_move_blit(struct ttm_buffer_object *bo, DRM_ERROR("Trying to move memory with CP turned off.\n"); return -EINVAL; } - r = radeon_copy(rdev, old_start, new_start, new_mem->num_pages, fence); + + BUILD_BUG_ON((PAGE_SIZE % RADEON_GPU_PAGE_SIZE) != 0); + + r = radeon_copy(rdev, old_start, new_start, + new_mem->num_pages * (PAGE_SIZE / RADEON_GPU_PAGE_SIZE), /* GPU pages */ + fence); /* FIXME: handle copy error */ r = ttm_bo_move_accel_cleanup(bo, (void *)fence, NULL, evict, no_wait_reserve, no_wait_gpu, new_mem); diff --git a/drivers/gpu/drm/ttm/ttm_bo.c b/drivers/gpu/drm/ttm/ttm_bo.c index a4d38d85909a..ef06194c5aa6 100644 --- a/drivers/gpu/drm/ttm/ttm_bo.c +++ b/drivers/gpu/drm/ttm/ttm_bo.c @@ -394,7 +394,8 @@ static int ttm_bo_handle_move_mem(struct ttm_buffer_object *bo, if (!(new_man->flags & TTM_MEMTYPE_FLAG_FIXED)) { if (bo->ttm == NULL) { - ret = ttm_bo_add_ttm(bo, false); + bool zero = !(old_man->flags & TTM_MEMTYPE_FLAG_FIXED); + ret = ttm_bo_add_ttm(bo, zero); if (ret) goto out_err; } diff --git a/drivers/hid/hid-wacom.c b/drivers/hid/hid-wacom.c index a597039d0755..72ca689b6474 100644 --- a/drivers/hid/hid-wacom.c +++ b/drivers/hid/hid-wacom.c @@ -373,6 +373,8 @@ static int wacom_probe(struct hid_device *hdev, hidinput = list_entry(hdev->inputs.next, struct hid_input, list); input = hidinput->input; + __set_bit(INPUT_PROP_POINTER, input->propbit); + /* Basics */ input->evbit[0] |= BIT(EV_KEY) | BIT(EV_ABS) | BIT(EV_REL); diff --git a/drivers/hwmon/coretemp.c b/drivers/hwmon/coretemp.c index 59d83e83da7f..44b23917d4cc 100644 --- a/drivers/hwmon/coretemp.c +++ b/drivers/hwmon/coretemp.c @@ -36,17 +36,25 @@ #include <linux/cpu.h> #include <linux/pci.h> #include <linux/smp.h> +#include <linux/moduleparam.h> #include <asm/msr.h> #include <asm/processor.h> #define DRVNAME "coretemp" +/* + * force_tjmax only matters when TjMax can't be read from the CPU itself. + * When set, it replaces the driver's suboptimal heuristic. + */ +static int force_tjmax; +module_param_named(tjmax, force_tjmax, int, 0444); +MODULE_PARM_DESC(tjmax, "TjMax value in degrees Celsius"); + #define BASE_SYSFS_ATTR_NO 2 /* Sysfs Base attr no for coretemp */ #define NUM_REAL_CORES 16 /* Number of Real cores per cpu */ #define CORETEMP_NAME_LENGTH 17 /* String Length of attrs */ #define MAX_CORE_ATTRS 4 /* Maximum no of basic attrs */ -#define MAX_THRESH_ATTRS 3 /* Maximum no of Threshold attrs */ -#define TOTAL_ATTRS (MAX_CORE_ATTRS + MAX_THRESH_ATTRS) +#define TOTAL_ATTRS (MAX_CORE_ATTRS + 1) #define MAX_CORE_DATA (NUM_REAL_CORES + BASE_SYSFS_ATTR_NO) #ifdef CONFIG_SMP @@ -69,8 +77,6 @@ * This value is passed as "id" field to rdmsr/wrmsr functions. * @status_reg: One of IA32_THERM_STATUS or IA32_PACKAGE_THERM_STATUS, * from where the temperature values should be read. - * @intrpt_reg: One of IA32_THERM_INTERRUPT or IA32_PACKAGE_THERM_INTERRUPT, - * from where the thresholds are read. * @attr_size: Total number of pre-core attrs displayed in the sysfs. * @is_pkg_data: If this is 1, the temp_data holds pkgtemp data. * Otherwise, temp_data holds coretemp data. @@ -79,13 +85,11 @@ struct temp_data { int temp; int ttarget; - int tmin; int tjmax; unsigned long last_updated; unsigned int cpu; u32 cpu_core_id; u32 status_reg; - u32 intrpt_reg; int attr_size; bool is_pkg_data; bool valid; @@ -143,19 +147,6 @@ static ssize_t show_crit_alarm(struct device *dev, return sprintf(buf, "%d\n", (eax >> 5) & 1); } -static ssize_t show_max_alarm(struct device *dev, - struct device_attribute *devattr, char *buf) -{ - u32 eax, edx; - struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); - struct platform_data *pdata = dev_get_drvdata(dev); - struct temp_data *tdata = pdata->core_data[attr->index]; - - rdmsr_on_cpu(tdata->cpu, tdata->status_reg, &eax, &edx); - - return sprintf(buf, "%d\n", !!(eax & THERM_STATUS_THRESHOLD1)); -} - static ssize_t show_tjmax(struct device *dev, struct device_attribute *devattr, char *buf) { @@ -174,83 +165,6 @@ static ssize_t show_ttarget(struct device *dev, return sprintf(buf, "%d\n", pdata->core_data[attr->index]->ttarget); } -static ssize_t store_ttarget(struct device *dev, - struct device_attribute *devattr, - const char *buf, size_t count) -{ - struct platform_data *pdata = dev_get_drvdata(dev); - struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); - struct temp_data *tdata = pdata->core_data[attr->index]; - u32 eax, edx; - unsigned long val; - int diff; - - if (strict_strtoul(buf, 10, &val)) - return -EINVAL; - - /* - * THERM_MASK_THRESHOLD1 is 7 bits wide. Values are entered in terms - * of milli degree celsius. Hence don't accept val > (127 * 1000) - */ - if (val > tdata->tjmax || val > 127000) - return -EINVAL; - - diff = (tdata->tjmax - val) / 1000; - - mutex_lock(&tdata->update_lock); - rdmsr_on_cpu(tdata->cpu, tdata->intrpt_reg, &eax, &edx); - eax = (eax & ~THERM_MASK_THRESHOLD1) | - (diff << THERM_SHIFT_THRESHOLD1); - wrmsr_on_cpu(tdata->cpu, tdata->intrpt_reg, eax, edx); - tdata->ttarget = val; - mutex_unlock(&tdata->update_lock); - - return count; -} - -static ssize_t show_tmin(struct device *dev, - struct device_attribute *devattr, char *buf) -{ - struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); - struct platform_data *pdata = dev_get_drvdata(dev); - - return sprintf(buf, "%d\n", pdata->core_data[attr->index]->tmin); -} - -static ssize_t store_tmin(struct device *dev, - struct device_attribute *devattr, - const char *buf, size_t count) -{ - struct platform_data *pdata = dev_get_drvdata(dev); - struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); - struct temp_data *tdata = pdata->core_data[attr->index]; - u32 eax, edx; - unsigned long val; - int diff; - - if (strict_strtoul(buf, 10, &val)) - return -EINVAL; - - /* - * THERM_MASK_THRESHOLD0 is 7 bits wide. Values are entered in terms - * of milli degree celsius. Hence don't accept val > (127 * 1000) - */ - if (val > tdata->tjmax || val > 127000) - return -EINVAL; - - diff = (tdata->tjmax - val) / 1000; - - mutex_lock(&tdata->update_lock); - rdmsr_on_cpu(tdata->cpu, tdata->intrpt_reg, &eax, &edx); - eax = (eax & ~THERM_MASK_THRESHOLD0) | - (diff << THERM_SHIFT_THRESHOLD0); - wrmsr_on_cpu(tdata->cpu, tdata->intrpt_reg, eax, edx); - tdata->tmin = val; - mutex_unlock(&tdata->update_lock); - - return count; -} - static ssize_t show_temp(struct device *dev, struct device_attribute *devattr, char *buf) { @@ -374,7 +288,6 @@ static int adjust_tjmax(struct cpuinfo_x86 *c, u32 id, struct device *dev) static int get_tjmax(struct cpuinfo_x86 *c, u32 id, struct device *dev) { - /* The 100C is default for both mobile and non mobile CPUs */ int err; u32 eax, edx; u32 val; @@ -385,7 +298,8 @@ static int get_tjmax(struct cpuinfo_x86 *c, u32 id, struct device *dev) */ err = rdmsr_safe_on_cpu(id, MSR_IA32_TEMPERATURE_TARGET, &eax, &edx); if (err) { - dev_warn(dev, "Unable to read TjMax from CPU.\n"); + if (c->x86_model > 0xe && c->x86_model != 0x1c) + dev_warn(dev, "Unable to read TjMax from CPU %u\n", id); } else { val = (eax >> 16) & 0xff; /* @@ -393,11 +307,17 @@ static int get_tjmax(struct cpuinfo_x86 *c, u32 id, struct device *dev) * will be used */ if (val) { - dev_info(dev, "TjMax is %d C.\n", val); + dev_dbg(dev, "TjMax is %d degrees C\n", val); return val * 1000; } } + if (force_tjmax) { + dev_notice(dev, "TjMax forced to %d degrees C by user\n", + force_tjmax); + return force_tjmax * 1000; + } + /* * An assumption is made for early CPUs and unreadable MSR. * NOTE: the calculated value may not be correct. @@ -414,21 +334,6 @@ static void __devinit get_ucode_rev_on_cpu(void *edx) rdmsr(MSR_IA32_UCODE_REV, eax, *(u32 *)edx); } -static int get_pkg_tjmax(unsigned int cpu, struct device *dev) -{ - int err; - u32 eax, edx, val; - - err = rdmsr_safe_on_cpu(cpu, MSR_IA32_TEMPERATURE_TARGET, &eax, &edx); - if (!err) { - val = (eax >> 16) & 0xff; - if (val) - return val * 1000; - } - dev_warn(dev, "Unable to read Pkg-TjMax from CPU:%u\n", cpu); - return 100000; /* Default TjMax: 100 degree celsius */ -} - static int create_name_attr(struct platform_data *pdata, struct device *dev) { sysfs_attr_init(&pdata->name_attr.attr); @@ -442,19 +347,14 @@ static int create_core_attrs(struct temp_data *tdata, struct device *dev, int attr_no) { int err, i; - static ssize_t (*rd_ptr[TOTAL_ATTRS]) (struct device *dev, + static ssize_t (*const rd_ptr[TOTAL_ATTRS]) (struct device *dev, struct device_attribute *devattr, char *buf) = { show_label, show_crit_alarm, show_temp, show_tjmax, - show_max_alarm, show_ttarget, show_tmin }; - static ssize_t (*rw_ptr[TOTAL_ATTRS]) (struct device *dev, - struct device_attribute *devattr, const char *buf, - size_t count) = { NULL, NULL, NULL, NULL, NULL, - store_ttarget, store_tmin }; - static const char *names[TOTAL_ATTRS] = { + show_ttarget }; + static const char *const names[TOTAL_ATTRS] = { "temp%d_label", "temp%d_crit_alarm", "temp%d_input", "temp%d_crit", - "temp%d_max_alarm", "temp%d_max", - "temp%d_max_hyst" }; + "temp%d_max" }; for (i = 0; i < tdata->attr_size; i++) { snprintf(tdata->attr_name[i], CORETEMP_NAME_LENGTH, names[i], @@ -462,10 +362,6 @@ static int create_core_attrs(struct temp_data *tdata, struct device *dev, sysfs_attr_init(&tdata->sd_attrs[i].dev_attr.attr); tdata->sd_attrs[i].dev_attr.attr.name = tdata->attr_name[i]; tdata->sd_attrs[i].dev_attr.attr.mode = S_IRUGO; - if (rw_ptr[i]) { - tdata->sd_attrs[i].dev_attr.attr.mode |= S_IWUSR; - tdata->sd_attrs[i].dev_attr.store = rw_ptr[i]; - } tdata->sd_attrs[i].dev_attr.show = rd_ptr[i]; tdata->sd_attrs[i].index = attr_no; err = device_create_file(dev, &tdata->sd_attrs[i].dev_attr); @@ -538,8 +434,6 @@ static struct temp_data *init_temp_data(unsigned int cpu, int pkg_flag) tdata->status_reg = pkg_flag ? MSR_IA32_PACKAGE_THERM_STATUS : MSR_IA32_THERM_STATUS; - tdata->intrpt_reg = pkg_flag ? MSR_IA32_PACKAGE_THERM_INTERRUPT : - MSR_IA32_THERM_INTERRUPT; tdata->is_pkg_data = pkg_flag; tdata->cpu = cpu; tdata->cpu_core_id = TO_CORE_ID(cpu); @@ -548,11 +442,11 @@ static struct temp_data *init_temp_data(unsigned int cpu, int pkg_flag) return tdata; } -static int create_core_data(struct platform_data *pdata, - struct platform_device *pdev, +static int create_core_data(struct platform_device *pdev, unsigned int cpu, int pkg_flag) { struct temp_data *tdata; + struct platform_data *pdata = platform_get_drvdata(pdev); struct cpuinfo_x86 *c = &cpu_data(cpu); u32 eax, edx; int err, attr_no; @@ -588,20 +482,21 @@ static int create_core_data(struct platform_data *pdata, goto exit_free; /* We can access status register. Get Critical Temperature */ - if (pkg_flag) - tdata->tjmax = get_pkg_tjmax(pdev->id, &pdev->dev); - else - tdata->tjmax = get_tjmax(c, cpu, &pdev->dev); + tdata->tjmax = get_tjmax(c, cpu, &pdev->dev); /* - * Test if we can access the intrpt register. If so, increase the - * 'size' enough to have ttarget/tmin/max_alarm interfaces. - * Initialize ttarget with bits 16:22 of MSR_IA32_THERM_INTERRUPT + * Read the still undocumented bits 8:15 of IA32_TEMPERATURE_TARGET. + * The target temperature is available on older CPUs but not in this + * register. Atoms don't have the register at all. */ - err = rdmsr_safe_on_cpu(cpu, tdata->intrpt_reg, &eax, &edx); - if (!err) { - tdata->attr_size += MAX_THRESH_ATTRS; - tdata->ttarget = tdata->tjmax - ((eax >> 16) & 0x7f) * 1000; + if (c->x86_model > 0xe && c->x86_model != 0x1c) { + err = rdmsr_safe_on_cpu(cpu, MSR_IA32_TEMPERATURE_TARGET, + &eax, &edx); + if (!err) { + tdata->ttarget + = tdata->tjmax - ((eax >> 8) & 0xff) * 1000; + tdata->attr_size++; + } } pdata->core_data[attr_no] = tdata; @@ -619,16 +514,13 @@ exit_free: static void coretemp_add_core(unsigned int cpu, int pkg_flag) { - struct platform_data *pdata; struct platform_device *pdev = coretemp_get_pdev(cpu); int err; if (!pdev) return; - pdata = platform_get_drvdata(pdev); - - err = create_core_data(pdata, pdev, cpu, pkg_flag); + err = create_core_data(pdev, cpu, pkg_flag); if (err) dev_err(&pdev->dev, "Adding Core %u failed\n", cpu); } @@ -666,7 +558,7 @@ static int __devinit coretemp_probe(struct platform_device *pdev) if (err) goto exit_free; - pdata->phys_proc_id = TO_PHYS_ID(pdev->id); + pdata->phys_proc_id = pdev->id; platform_set_drvdata(pdev, pdata); pdata->hwmon_dev = hwmon_device_register(&pdev->dev); @@ -718,7 +610,7 @@ static int __cpuinit coretemp_device_add(unsigned int cpu) mutex_lock(&pdev_list_mutex); - pdev = platform_device_alloc(DRVNAME, cpu); + pdev = platform_device_alloc(DRVNAME, TO_PHYS_ID(cpu)); if (!pdev) { err = -ENOMEM; pr_err("Device allocation failed\n"); diff --git a/drivers/hwmon/ds620.c b/drivers/hwmon/ds620.c index 257957c69d92..4f7c3fc40a89 100644 --- a/drivers/hwmon/ds620.c +++ b/drivers/hwmon/ds620.c @@ -72,7 +72,7 @@ struct ds620_data { char valid; /* !=0 if following fields are valid */ unsigned long last_updated; /* In jiffies */ - u16 temp[3]; /* Register values, word */ + s16 temp[3]; /* Register values, word */ }; /* diff --git a/drivers/hwmon/pmbus/pmbus_core.c b/drivers/hwmon/pmbus/pmbus_core.c index a561c3a0e916..397fc59b5682 100644 --- a/drivers/hwmon/pmbus/pmbus_core.c +++ b/drivers/hwmon/pmbus/pmbus_core.c @@ -978,6 +978,8 @@ static void pmbus_find_max_attr(struct i2c_client *client, struct pmbus_limit_attr { u16 reg; /* Limit register */ bool update; /* True if register needs updates */ + bool low; /* True if low limit; for limits with compare + functions only */ const char *attr; /* Attribute name */ const char *alarm; /* Alarm attribute name */ u32 sbit; /* Alarm attribute status bit */ @@ -1029,7 +1031,8 @@ static bool pmbus_add_limit_attrs(struct i2c_client *client, if (attr->compare) { pmbus_add_boolean_cmp(data, name, l->alarm, index, - cbase, cindex, + l->low ? cindex : cbase, + l->low ? cbase : cindex, attr->sbase + page, l->sbit); } else { pmbus_add_boolean_reg(data, name, @@ -1366,11 +1369,13 @@ static const struct pmbus_sensor_attr power_attributes[] = { static const struct pmbus_limit_attr temp_limit_attrs[] = { { .reg = PMBUS_UT_WARN_LIMIT, + .low = true, .attr = "min", .alarm = "min_alarm", .sbit = PB_TEMP_UT_WARNING, }, { .reg = PMBUS_UT_FAULT_LIMIT, + .low = true, .attr = "lcrit", .alarm = "lcrit_alarm", .sbit = PB_TEMP_UT_FAULT, @@ -1399,11 +1404,13 @@ static const struct pmbus_limit_attr temp_limit_attrs[] = { static const struct pmbus_limit_attr temp_limit_attrs23[] = { { .reg = PMBUS_UT_WARN_LIMIT, + .low = true, .attr = "min", .alarm = "min_alarm", .sbit = PB_TEMP_UT_WARNING, }, { .reg = PMBUS_UT_FAULT_LIMIT, + .low = true, .attr = "lcrit", .alarm = "lcrit_alarm", .sbit = PB_TEMP_UT_FAULT, diff --git a/drivers/hwmon/w83791d.c b/drivers/hwmon/w83791d.c index 17cf1ab95521..8c2844e5691c 100644 --- a/drivers/hwmon/w83791d.c +++ b/drivers/hwmon/w83791d.c @@ -329,8 +329,8 @@ static int w83791d_detect(struct i2c_client *client, struct i2c_board_info *info); static int w83791d_remove(struct i2c_client *client); -static int w83791d_read(struct i2c_client *client, u8 register); -static int w83791d_write(struct i2c_client *client, u8 register, u8 value); +static int w83791d_read(struct i2c_client *client, u8 reg); +static int w83791d_write(struct i2c_client *client, u8 reg, u8 value); static struct w83791d_data *w83791d_update_device(struct device *dev); #ifdef DEBUG diff --git a/drivers/input/keyboard/adp5588-keys.c b/drivers/input/keyboard/adp5588-keys.c index 7b404e5443ed..e34eeb8ae371 100644 --- a/drivers/input/keyboard/adp5588-keys.c +++ b/drivers/input/keyboard/adp5588-keys.c @@ -668,4 +668,3 @@ module_exit(adp5588_exit); MODULE_LICENSE("GPL"); MODULE_AUTHOR("Michael Hennerich <hennerich@blackfin.uclinux.org>"); MODULE_DESCRIPTION("ADP5588/87 Keypad driver"); -MODULE_ALIAS("platform:adp5588-keys"); diff --git a/drivers/input/misc/cm109.c b/drivers/input/misc/cm109.c index b09c7d127219..ab860511f016 100644 --- a/drivers/input/misc/cm109.c +++ b/drivers/input/misc/cm109.c @@ -475,7 +475,7 @@ static void cm109_toggle_buzzer_sync(struct cm109_dev *dev, int on) le16_to_cpu(dev->ctl_req->wIndex), dev->ctl_data, USB_PKT_LEN, USB_CTRL_SET_TIMEOUT); - if (error && error != EINTR) + if (error < 0 && error != -EINTR) err("%s: usb_control_msg() failed %d", __func__, error); } diff --git a/drivers/input/mouse/bcm5974.c b/drivers/input/mouse/bcm5974.c index da280189ef07..5ec617e28f7e 100644 --- a/drivers/input/mouse/bcm5974.c +++ b/drivers/input/mouse/bcm5974.c @@ -67,6 +67,10 @@ #define USB_DEVICE_ID_APPLE_WELLSPRING5_ANSI 0x0245 #define USB_DEVICE_ID_APPLE_WELLSPRING5_ISO 0x0246 #define USB_DEVICE_ID_APPLE_WELLSPRING5_JIS 0x0247 +/* MacbookAir4,1 (unibody, July 2011) */ +#define USB_DEVICE_ID_APPLE_WELLSPRING6A_ANSI 0x0249 +#define USB_DEVICE_ID_APPLE_WELLSPRING6A_ISO 0x024a +#define USB_DEVICE_ID_APPLE_WELLSPRING6A_JIS 0x024b /* MacbookAir4,2 (unibody, July 2011) */ #define USB_DEVICE_ID_APPLE_WELLSPRING6_ANSI 0x024c #define USB_DEVICE_ID_APPLE_WELLSPRING6_ISO 0x024d @@ -112,6 +116,10 @@ static const struct usb_device_id bcm5974_table[] = { BCM5974_DEVICE(USB_DEVICE_ID_APPLE_WELLSPRING5_ANSI), BCM5974_DEVICE(USB_DEVICE_ID_APPLE_WELLSPRING5_ISO), BCM5974_DEVICE(USB_DEVICE_ID_APPLE_WELLSPRING5_JIS), + /* MacbookAir4,1 */ + BCM5974_DEVICE(USB_DEVICE_ID_APPLE_WELLSPRING6A_ANSI), + BCM5974_DEVICE(USB_DEVICE_ID_APPLE_WELLSPRING6A_ISO), + BCM5974_DEVICE(USB_DEVICE_ID_APPLE_WELLSPRING6A_JIS), /* MacbookAir4,2 */ BCM5974_DEVICE(USB_DEVICE_ID_APPLE_WELLSPRING6_ANSI), BCM5974_DEVICE(USB_DEVICE_ID_APPLE_WELLSPRING6_ISO), @@ -334,6 +342,18 @@ static const struct bcm5974_config bcm5974_config_table[] = { { DIM_X, DIM_X / SN_COORD, -4750, 5280 }, { DIM_Y, DIM_Y / SN_COORD, -150, 6730 } }, + { + USB_DEVICE_ID_APPLE_WELLSPRING6A_ANSI, + USB_DEVICE_ID_APPLE_WELLSPRING6A_ISO, + USB_DEVICE_ID_APPLE_WELLSPRING6A_JIS, + HAS_INTEGRATED_BUTTON, + 0x84, sizeof(struct bt_data), + 0x81, TYPE2, FINGER_TYPE2, FINGER_TYPE2 + SIZEOF_ALL_FINGERS, + { DIM_PRESSURE, DIM_PRESSURE / SN_PRESSURE, 0, 300 }, + { DIM_WIDTH, DIM_WIDTH / SN_WIDTH, 0, 2048 }, + { DIM_X, DIM_X / SN_COORD, -4620, 5140 }, + { DIM_Y, DIM_Y / SN_COORD, -150, 6600 } + }, {} }; diff --git a/drivers/input/tablet/wacom_sys.c b/drivers/input/tablet/wacom_sys.c index d27c9d91630b..958b4eb6369d 100644 --- a/drivers/input/tablet/wacom_sys.c +++ b/drivers/input/tablet/wacom_sys.c @@ -229,13 +229,6 @@ static int wacom_parse_hid(struct usb_interface *intf, struct hid_descriptor *hi get_unaligned_le16(&report[i + 3]); i += 4; } - } else if (usage == WCM_DIGITIZER) { - /* max pressure isn't reported - features->pressure_max = (unsigned short) - (report[i+4] << 8 | report[i + 3]); - */ - features->pressure_max = 255; - i += 4; } break; @@ -291,13 +284,6 @@ static int wacom_parse_hid(struct usb_interface *intf, struct hid_descriptor *hi pen = 1; i++; break; - - case HID_USAGE_UNDEFINED: - if (usage == WCM_DESKTOP && finger) /* capacity */ - features->pressure_max = - get_unaligned_le16(&report[i + 3]); - i += 4; - break; } break; diff --git a/drivers/input/tablet/wacom_wac.c b/drivers/input/tablet/wacom_wac.c index c1c2f7b28d89..0dc97ec15c28 100644 --- a/drivers/input/tablet/wacom_wac.c +++ b/drivers/input/tablet/wacom_wac.c @@ -800,25 +800,26 @@ static int wacom_bpt_touch(struct wacom_wac *wacom) int i; for (i = 0; i < 2; i++) { - int p = data[9 * i + 2]; - bool touch = p && !wacom->shared->stylus_in_proximity; + int offset = (data[1] & 0x80) ? (8 * i) : (9 * i); + bool touch = data[offset + 3] & 0x80; - input_mt_slot(input, i); - input_mt_report_slot_state(input, MT_TOOL_FINGER, touch); /* * Touch events need to be disabled while stylus is * in proximity because user's hand is resting on touchpad * and sending unwanted events. User expects tablet buttons * to continue working though. */ + touch = touch && !wacom->shared->stylus_in_proximity; + + input_mt_slot(input, i); + input_mt_report_slot_state(input, MT_TOOL_FINGER, touch); if (touch) { - int x = get_unaligned_be16(&data[9 * i + 3]) & 0x7ff; - int y = get_unaligned_be16(&data[9 * i + 5]) & 0x7ff; + int x = get_unaligned_be16(&data[offset + 3]) & 0x7ff; + int y = get_unaligned_be16(&data[offset + 5]) & 0x7ff; if (features->quirks & WACOM_QUIRK_BBTOUCH_LOWRES) { x <<= 5; y <<= 5; } - input_report_abs(input, ABS_MT_PRESSURE, p); input_report_abs(input, ABS_MT_POSITION_X, x); input_report_abs(input, ABS_MT_POSITION_Y, y); } @@ -1056,10 +1057,11 @@ void wacom_setup_input_capabilities(struct input_dev *input_dev, features->x_fuzz, 0); input_set_abs_params(input_dev, ABS_Y, 0, features->y_max, features->y_fuzz, 0); - input_set_abs_params(input_dev, ABS_PRESSURE, 0, features->pressure_max, - features->pressure_fuzz, 0); if (features->device_type == BTN_TOOL_PEN) { + input_set_abs_params(input_dev, ABS_PRESSURE, 0, features->pressure_max, + features->pressure_fuzz, 0); + /* penabled devices have fixed resolution for each model */ input_abs_set_res(input_dev, ABS_X, features->x_resolution); input_abs_set_res(input_dev, ABS_Y, features->y_resolution); @@ -1098,6 +1100,8 @@ void wacom_setup_input_capabilities(struct input_dev *input_dev, __set_bit(BTN_TOOL_MOUSE, input_dev->keybit); __set_bit(BTN_STYLUS, input_dev->keybit); __set_bit(BTN_STYLUS2, input_dev->keybit); + + __set_bit(INPUT_PROP_POINTER, input_dev->propbit); break; case WACOM_21UX2: @@ -1126,6 +1130,9 @@ void wacom_setup_input_capabilities(struct input_dev *input_dev, } input_set_abs_params(input_dev, ABS_Z, -900, 899, 0, 0); + + __set_bit(INPUT_PROP_DIRECT, input_dev->propbit); + wacom_setup_cintiq(wacom_wac); break; @@ -1150,6 +1157,8 @@ void wacom_setup_input_capabilities(struct input_dev *input_dev, /* fall through */ case INTUOS: + __set_bit(INPUT_PROP_POINTER, input_dev->propbit); + wacom_setup_intuos(wacom_wac); break; @@ -1165,6 +1174,8 @@ void wacom_setup_input_capabilities(struct input_dev *input_dev, input_set_abs_params(input_dev, ABS_Z, -900, 899, 0, 0); wacom_setup_intuos(wacom_wac); + + __set_bit(INPUT_PROP_POINTER, input_dev->propbit); break; case TABLETPC2FG: @@ -1183,26 +1194,40 @@ void wacom_setup_input_capabilities(struct input_dev *input_dev, case TABLETPC: __clear_bit(ABS_MISC, input_dev->absbit); + __set_bit(INPUT_PROP_DIRECT, input_dev->propbit); + if (features->device_type != BTN_TOOL_PEN) break; /* no need to process stylus stuff */ /* fall through */ case PL: - case PTU: case DTU: __set_bit(BTN_TOOL_PEN, input_dev->keybit); + __set_bit(BTN_TOOL_RUBBER, input_dev->keybit); __set_bit(BTN_STYLUS, input_dev->keybit); __set_bit(BTN_STYLUS2, input_dev->keybit); + + __set_bit(INPUT_PROP_DIRECT, input_dev->propbit); + break; + + case PTU: + __set_bit(BTN_STYLUS2, input_dev->keybit); /* fall through */ case PENPARTNER: + __set_bit(BTN_TOOL_PEN, input_dev->keybit); __set_bit(BTN_TOOL_RUBBER, input_dev->keybit); + __set_bit(BTN_STYLUS, input_dev->keybit); + + __set_bit(INPUT_PROP_POINTER, input_dev->propbit); break; case BAMBOO_PT: __clear_bit(ABS_MISC, input_dev->absbit); + __set_bit(INPUT_PROP_POINTER, input_dev->propbit); + if (features->device_type == BTN_TOOL_DOUBLETAP) { __set_bit(BTN_LEFT, input_dev->keybit); __set_bit(BTN_FORWARD, input_dev->keybit); diff --git a/drivers/input/touchscreen/wacom_w8001.c b/drivers/input/touchscreen/wacom_w8001.c index c14412ef4648..9941d39df43d 100644 --- a/drivers/input/touchscreen/wacom_w8001.c +++ b/drivers/input/touchscreen/wacom_w8001.c @@ -383,6 +383,8 @@ static int w8001_setup(struct w8001 *w8001) dev->evbit[0] = BIT_MASK(EV_KEY) | BIT_MASK(EV_ABS); strlcat(w8001->name, "Wacom Serial", sizeof(w8001->name)); + __set_bit(INPUT_PROP_DIRECT, dev->propbit); + /* penabled? */ error = w8001_command(w8001, W8001_CMD_QUERY, true); if (!error) { diff --git a/drivers/iommu/dmar.c b/drivers/iommu/dmar.c index 3dc9befa5aec..6dcc7e2d54de 100644 --- a/drivers/iommu/dmar.c +++ b/drivers/iommu/dmar.c @@ -1388,7 +1388,7 @@ int dmar_set_interrupt(struct intel_iommu *iommu) return ret; } - ret = request_irq(irq, dmar_fault, 0, iommu->name, iommu); + ret = request_irq(irq, dmar_fault, IRQF_NO_THREAD, iommu->name, iommu); if (ret) printk(KERN_ERR "IOMMU: can't request irq\n"); return ret; diff --git a/drivers/leds/ledtrig-timer.c b/drivers/leds/ledtrig-timer.c index d87c9d02f786..328c64c0841c 100644 --- a/drivers/leds/ledtrig-timer.c +++ b/drivers/leds/ledtrig-timer.c @@ -41,6 +41,7 @@ static ssize_t led_delay_on_store(struct device *dev, if (count == size) { led_blink_set(led_cdev, &state, &led_cdev->blink_delay_off); + led_cdev->blink_delay_on = state; ret = count; } @@ -69,6 +70,7 @@ static ssize_t led_delay_off_store(struct device *dev, if (count == size) { led_blink_set(led_cdev, &led_cdev->blink_delay_on, &state); + led_cdev->blink_delay_off = state; ret = count; } diff --git a/drivers/mfd/max8997.c b/drivers/mfd/max8997.c index 5d1fca0277ef..f83103b8970d 100644 --- a/drivers/mfd/max8997.c +++ b/drivers/mfd/max8997.c @@ -135,10 +135,13 @@ static int max8997_i2c_probe(struct i2c_client *i2c, max8997->dev = &i2c->dev; max8997->i2c = i2c; max8997->type = id->driver_data; + max8997->irq = i2c->irq; if (!pdata) goto err; + max8997->irq_base = pdata->irq_base; + max8997->ono = pdata->ono; max8997->wakeup = pdata->wakeup; mutex_init(&max8997->iolock); @@ -152,6 +155,8 @@ static int max8997_i2c_probe(struct i2c_client *i2c, pm_runtime_set_active(max8997->dev); + max8997_irq_init(max8997); + mfd_add_devices(max8997->dev, -1, max8997_devs, ARRAY_SIZE(max8997_devs), NULL, 0); diff --git a/drivers/mfd/omap-usb-host.c b/drivers/mfd/omap-usb-host.c index 29601e7d606d..86e14583a082 100644 --- a/drivers/mfd/omap-usb-host.c +++ b/drivers/mfd/omap-usb-host.c @@ -17,6 +17,7 @@ * along with this program. If not, see <http://www.gnu.org/licenses/>. */ #include <linux/kernel.h> +#include <linux/module.h> #include <linux/types.h> #include <linux/slab.h> #include <linux/delay.h> @@ -676,7 +677,6 @@ static void usbhs_omap_tll_init(struct device *dev, u8 tll_channel_count) | OMAP_TLL_CHANNEL_CONF_ULPINOBITSTUFF | OMAP_TLL_CHANNEL_CONF_ULPIDDRMODE); - reg |= (1 << (i + 1)); } else continue; diff --git a/drivers/mfd/tps65910-irq.c b/drivers/mfd/tps65910-irq.c index 2bfad5c86cc7..a56be931551c 100644 --- a/drivers/mfd/tps65910-irq.c +++ b/drivers/mfd/tps65910-irq.c @@ -178,8 +178,10 @@ int tps65910_irq_init(struct tps65910 *tps65910, int irq, switch (tps65910_chip_id(tps65910)) { case TPS65910: tps65910->irq_num = TPS65910_NUM_IRQ; + break; case TPS65911: tps65910->irq_num = TPS65911_NUM_IRQ; + break; } /* Register with genirq */ diff --git a/drivers/mfd/twl4030-madc.c b/drivers/mfd/twl4030-madc.c index b5d598c3aa71..7cbf2aa9e64f 100644 --- a/drivers/mfd/twl4030-madc.c +++ b/drivers/mfd/twl4030-madc.c @@ -510,8 +510,9 @@ int twl4030_madc_conversion(struct twl4030_madc_request *req) u8 ch_msb, ch_lsb; int ret; - if (!req) + if (!req || !twl4030_madc) return -EINVAL; + mutex_lock(&twl4030_madc->lock); if (req->method < TWL4030_MADC_RT || req->method > TWL4030_MADC_SW2) { ret = -EINVAL; @@ -706,6 +707,8 @@ static int __devinit twl4030_madc_probe(struct platform_device *pdev) if (!madc) return -ENOMEM; + madc->dev = &pdev->dev; + /* * Phoenix provides 2 interrupt lines. The first one is connected to * the OMAP. The other one can be connected to the other processor such diff --git a/drivers/mfd/wm8350-gpio.c b/drivers/mfd/wm8350-gpio.c index ebf99bef392f..d584f6b4d6e2 100644 --- a/drivers/mfd/wm8350-gpio.c +++ b/drivers/mfd/wm8350-gpio.c @@ -37,7 +37,7 @@ static int gpio_set_dir(struct wm8350 *wm8350, int gpio, int dir) return ret; } -static int gpio_set_debounce(struct wm8350 *wm8350, int gpio, int db) +static int wm8350_gpio_set_debounce(struct wm8350 *wm8350, int gpio, int db) { if (db == WM8350_GPIO_DEBOUNCE_ON) return wm8350_set_bits(wm8350, WM8350_GPIO_DEBOUNCE, @@ -210,7 +210,7 @@ int wm8350_gpio_config(struct wm8350 *wm8350, int gpio, int dir, int func, goto err; if (gpio_set_polarity(wm8350, gpio, pol)) goto err; - if (gpio_set_debounce(wm8350, gpio, debounce)) + if (wm8350_gpio_set_debounce(wm8350, gpio, debounce)) goto err; if (gpio_set_dir(wm8350, gpio, dir)) goto err; diff --git a/drivers/misc/pti.c b/drivers/misc/pti.c index 06df1877ad0f..0b56e3f43573 100644 --- a/drivers/misc/pti.c +++ b/drivers/misc/pti.c @@ -165,6 +165,11 @@ static void pti_write_to_aperture(struct pti_masterchannel *mc, static void pti_control_frame_built_and_sent(struct pti_masterchannel *mc, const char *thread_name) { + /* + * Since we access the comm member in current's task_struct, we only + * need to be as large as what 'comm' in that structure is. + */ + char comm[TASK_COMM_LEN]; struct pti_masterchannel mccontrol = {.master = CONTROL_ID, .channel = 0}; const char *thread_name_p; @@ -172,13 +177,6 @@ static void pti_control_frame_built_and_sent(struct pti_masterchannel *mc, u8 control_frame[CONTROL_FRAME_LEN]; if (!thread_name) { - /* - * Since we access the comm member in current's task_struct, - * we only need to be as large as what 'comm' in that - * structure is. - */ - char comm[TASK_COMM_LEN]; - if (!in_interrupt()) get_task_comm(comm, current); else diff --git a/drivers/mmc/card/block.c b/drivers/mmc/card/block.c index 1ff5486213fb..4c1a648d00fc 100644 --- a/drivers/mmc/card/block.c +++ b/drivers/mmc/card/block.c @@ -926,6 +926,9 @@ static void mmc_blk_rw_rq_prep(struct mmc_queue_req *mqrq, /* * Reliable writes are used to implement Forced Unit Access and * REQ_META accesses, and are supported only on MMCs. + * + * XXX: this really needs a good explanation of why REQ_META + * is treated special. */ bool do_rel_wr = ((req->cmd_flags & REQ_FUA) || (req->cmd_flags & REQ_META)) && diff --git a/drivers/mmc/host/s3cmci.c b/drivers/mmc/host/s3cmci.c index a04f87d7ee3d..03cfdab99c8f 100644 --- a/drivers/mmc/host/s3cmci.c +++ b/drivers/mmc/host/s3cmci.c @@ -913,9 +913,9 @@ request_done: } static void s3cmci_dma_setup(struct s3cmci_host *host, - enum s3c2410_dmasrc source) + enum dma_data_direction source) { - static enum s3c2410_dmasrc last_source = -1; + static enum dma_data_direction last_source = -1; static int setup_ok; if (last_source == source) @@ -1087,7 +1087,7 @@ static int s3cmci_prepare_dma(struct s3cmci_host *host, struct mmc_data *data) BUG_ON((data->flags & BOTH_DIR) == BOTH_DIR); - s3cmci_dma_setup(host, rw ? S3C2410_DMASRC_MEM : S3C2410_DMASRC_HW); + s3cmci_dma_setup(host, rw ? DMA_TO_DEVICE : DMA_FROM_DEVICE); s3c2410_dma_ctrl(host->dma, S3C2410_DMAOP_FLUSH); dma_len = dma_map_sg(mmc_dev(host->mmc), data->sg, data->sg_len, diff --git a/drivers/net/Kconfig b/drivers/net/Kconfig index 8d0314dbd946..a44874e24f2a 100644 --- a/drivers/net/Kconfig +++ b/drivers/net/Kconfig @@ -2535,7 +2535,7 @@ config S6GMAC source "drivers/net/stmmac/Kconfig" config PCH_GBE - tristate "Intel EG20T PCH / OKI SEMICONDUCTOR ML7223 IOH GbE" + tristate "Intel EG20T PCH/OKI SEMICONDUCTOR IOH(ML7223/ML7831) GbE" depends on PCI select MII ---help--- @@ -2548,10 +2548,11 @@ config PCH_GBE This driver enables Gigabit Ethernet function. This driver also can be used for OKI SEMICONDUCTOR IOH(Input/ - Output Hub), ML7223. - ML7223 IOH is for MP(Media Phone) use. - ML7223 is companion chip for Intel Atom E6xx series. - ML7223 is completely compatible for Intel EG20T PCH. + Output Hub), ML7223/ML7831. + ML7223 IOH is for MP(Media Phone) use. ML7831 IOH is for general + purpose use. + ML7223/ML7831 is companion chip for Intel Atom E6xx series. + ML7223/ML7831 is completely compatible for Intel EG20T PCH. config FTGMAC100 tristate "Faraday FTGMAC100 Gigabit Ethernet support" diff --git a/drivers/net/bnx2x/bnx2x.h b/drivers/net/bnx2x/bnx2x.h index c423504a755f..e46df5331c55 100644 --- a/drivers/net/bnx2x/bnx2x.h +++ b/drivers/net/bnx2x/bnx2x.h @@ -315,6 +315,14 @@ union db_prod { u32 raw; }; +/* dropless fc FW/HW related params */ +#define BRB_SIZE(bp) (CHIP_IS_E3(bp) ? 1024 : 512) +#define MAX_AGG_QS(bp) (CHIP_IS_E1(bp) ? \ + ETH_MAX_AGGREGATION_QUEUES_E1 :\ + ETH_MAX_AGGREGATION_QUEUES_E1H_E2) +#define FW_DROP_LEVEL(bp) (3 + MAX_SPQ_PENDING + MAX_AGG_QS(bp)) +#define FW_PREFETCH_CNT 16 +#define DROPLESS_FC_HEADROOM 100 /* MC hsi */ #define BCM_PAGE_SHIFT 12 @@ -331,15 +339,35 @@ union db_prod { /* SGE ring related macros */ #define NUM_RX_SGE_PAGES 2 #define RX_SGE_CNT (BCM_PAGE_SIZE / sizeof(struct eth_rx_sge)) -#define MAX_RX_SGE_CNT (RX_SGE_CNT - 2) +#define NEXT_PAGE_SGE_DESC_CNT 2 +#define MAX_RX_SGE_CNT (RX_SGE_CNT - NEXT_PAGE_SGE_DESC_CNT) /* RX_SGE_CNT is promised to be a power of 2 */ #define RX_SGE_MASK (RX_SGE_CNT - 1) #define NUM_RX_SGE (RX_SGE_CNT * NUM_RX_SGE_PAGES) #define MAX_RX_SGE (NUM_RX_SGE - 1) #define NEXT_SGE_IDX(x) ((((x) & RX_SGE_MASK) == \ - (MAX_RX_SGE_CNT - 1)) ? (x) + 3 : (x) + 1) + (MAX_RX_SGE_CNT - 1)) ? \ + (x) + 1 + NEXT_PAGE_SGE_DESC_CNT : \ + (x) + 1) #define RX_SGE(x) ((x) & MAX_RX_SGE) +/* + * Number of required SGEs is the sum of two: + * 1. Number of possible opened aggregations (next packet for + * these aggregations will probably consume SGE immidiatelly) + * 2. Rest of BRB blocks divided by 2 (block will consume new SGE only + * after placement on BD for new TPA aggregation) + * + * Takes into account NEXT_PAGE_SGE_DESC_CNT "next" elements on each page + */ +#define NUM_SGE_REQ (MAX_AGG_QS(bp) + \ + (BRB_SIZE(bp) - MAX_AGG_QS(bp)) / 2) +#define NUM_SGE_PG_REQ ((NUM_SGE_REQ + MAX_RX_SGE_CNT - 1) / \ + MAX_RX_SGE_CNT) +#define SGE_TH_LO(bp) (NUM_SGE_REQ + \ + NUM_SGE_PG_REQ * NEXT_PAGE_SGE_DESC_CNT) +#define SGE_TH_HI(bp) (SGE_TH_LO(bp) + DROPLESS_FC_HEADROOM) + /* Manipulate a bit vector defined as an array of u64 */ /* Number of bits in one sge_mask array element */ @@ -551,24 +579,43 @@ struct bnx2x_fastpath { #define NUM_TX_RINGS 16 #define TX_DESC_CNT (BCM_PAGE_SIZE / sizeof(union eth_tx_bd_types)) -#define MAX_TX_DESC_CNT (TX_DESC_CNT - 1) +#define NEXT_PAGE_TX_DESC_CNT 1 +#define MAX_TX_DESC_CNT (TX_DESC_CNT - NEXT_PAGE_TX_DESC_CNT) #define NUM_TX_BD (TX_DESC_CNT * NUM_TX_RINGS) #define MAX_TX_BD (NUM_TX_BD - 1) #define MAX_TX_AVAIL (MAX_TX_DESC_CNT * NUM_TX_RINGS - 2) #define NEXT_TX_IDX(x) ((((x) & MAX_TX_DESC_CNT) == \ - (MAX_TX_DESC_CNT - 1)) ? (x) + 2 : (x) + 1) + (MAX_TX_DESC_CNT - 1)) ? \ + (x) + 1 + NEXT_PAGE_TX_DESC_CNT : \ + (x) + 1) #define TX_BD(x) ((x) & MAX_TX_BD) #define TX_BD_POFF(x) ((x) & MAX_TX_DESC_CNT) /* The RX BD ring is special, each bd is 8 bytes but the last one is 16 */ #define NUM_RX_RINGS 8 #define RX_DESC_CNT (BCM_PAGE_SIZE / sizeof(struct eth_rx_bd)) -#define MAX_RX_DESC_CNT (RX_DESC_CNT - 2) +#define NEXT_PAGE_RX_DESC_CNT 2 +#define MAX_RX_DESC_CNT (RX_DESC_CNT - NEXT_PAGE_RX_DESC_CNT) #define RX_DESC_MASK (RX_DESC_CNT - 1) #define NUM_RX_BD (RX_DESC_CNT * NUM_RX_RINGS) #define MAX_RX_BD (NUM_RX_BD - 1) #define MAX_RX_AVAIL (MAX_RX_DESC_CNT * NUM_RX_RINGS - 2) -#define MIN_RX_AVAIL 128 + +/* dropless fc calculations for BDs + * + * Number of BDs should as number of buffers in BRB: + * Low threshold takes into account NEXT_PAGE_RX_DESC_CNT + * "next" elements on each page + */ +#define NUM_BD_REQ BRB_SIZE(bp) +#define NUM_BD_PG_REQ ((NUM_BD_REQ + MAX_RX_DESC_CNT - 1) / \ + MAX_RX_DESC_CNT) +#define BD_TH_LO(bp) (NUM_BD_REQ + \ + NUM_BD_PG_REQ * NEXT_PAGE_RX_DESC_CNT + \ + FW_DROP_LEVEL(bp)) +#define BD_TH_HI(bp) (BD_TH_LO(bp) + DROPLESS_FC_HEADROOM) + +#define MIN_RX_AVAIL ((bp)->dropless_fc ? BD_TH_HI(bp) + 128 : 128) #define MIN_RX_SIZE_TPA_HW (CHIP_IS_E1(bp) ? \ ETH_MIN_RX_CQES_WITH_TPA_E1 : \ @@ -579,7 +626,9 @@ struct bnx2x_fastpath { MIN_RX_AVAIL)) #define NEXT_RX_IDX(x) ((((x) & RX_DESC_MASK) == \ - (MAX_RX_DESC_CNT - 1)) ? (x) + 3 : (x) + 1) + (MAX_RX_DESC_CNT - 1)) ? \ + (x) + 1 + NEXT_PAGE_RX_DESC_CNT : \ + (x) + 1) #define RX_BD(x) ((x) & MAX_RX_BD) /* @@ -589,14 +638,31 @@ struct bnx2x_fastpath { #define CQE_BD_REL (sizeof(union eth_rx_cqe) / sizeof(struct eth_rx_bd)) #define NUM_RCQ_RINGS (NUM_RX_RINGS * CQE_BD_REL) #define RCQ_DESC_CNT (BCM_PAGE_SIZE / sizeof(union eth_rx_cqe)) -#define MAX_RCQ_DESC_CNT (RCQ_DESC_CNT - 1) +#define NEXT_PAGE_RCQ_DESC_CNT 1 +#define MAX_RCQ_DESC_CNT (RCQ_DESC_CNT - NEXT_PAGE_RCQ_DESC_CNT) #define NUM_RCQ_BD (RCQ_DESC_CNT * NUM_RCQ_RINGS) #define MAX_RCQ_BD (NUM_RCQ_BD - 1) #define MAX_RCQ_AVAIL (MAX_RCQ_DESC_CNT * NUM_RCQ_RINGS - 2) #define NEXT_RCQ_IDX(x) ((((x) & MAX_RCQ_DESC_CNT) == \ - (MAX_RCQ_DESC_CNT - 1)) ? (x) + 2 : (x) + 1) + (MAX_RCQ_DESC_CNT - 1)) ? \ + (x) + 1 + NEXT_PAGE_RCQ_DESC_CNT : \ + (x) + 1) #define RCQ_BD(x) ((x) & MAX_RCQ_BD) +/* dropless fc calculations for RCQs + * + * Number of RCQs should be as number of buffers in BRB: + * Low threshold takes into account NEXT_PAGE_RCQ_DESC_CNT + * "next" elements on each page + */ +#define NUM_RCQ_REQ BRB_SIZE(bp) +#define NUM_RCQ_PG_REQ ((NUM_BD_REQ + MAX_RCQ_DESC_CNT - 1) / \ + MAX_RCQ_DESC_CNT) +#define RCQ_TH_LO(bp) (NUM_RCQ_REQ + \ + NUM_RCQ_PG_REQ * NEXT_PAGE_RCQ_DESC_CNT + \ + FW_DROP_LEVEL(bp)) +#define RCQ_TH_HI(bp) (RCQ_TH_LO(bp) + DROPLESS_FC_HEADROOM) + /* This is needed for determining of last_max */ #define SUB_S16(a, b) (s16)((s16)(a) - (s16)(b)) @@ -685,24 +751,17 @@ struct bnx2x_fastpath { #define FP_CSB_FUNC_OFF \ offsetof(struct cstorm_status_block_c, func) -#define HC_INDEX_TOE_RX_CQ_CONS 0 /* Formerly Ustorm TOE CQ index */ - /* (HC_INDEX_U_TOE_RX_CQ_CONS) */ -#define HC_INDEX_ETH_RX_CQ_CONS 1 /* Formerly Ustorm ETH CQ index */ - /* (HC_INDEX_U_ETH_RX_CQ_CONS) */ -#define HC_INDEX_ETH_RX_BD_CONS 2 /* Formerly Ustorm ETH BD index */ - /* (HC_INDEX_U_ETH_RX_BD_CONS) */ - -#define HC_INDEX_TOE_TX_CQ_CONS 4 /* Formerly Cstorm TOE CQ index */ - /* (HC_INDEX_C_TOE_TX_CQ_CONS) */ -#define HC_INDEX_ETH_TX_CQ_CONS_COS0 5 /* Formerly Cstorm ETH CQ index */ - /* (HC_INDEX_C_ETH_TX_CQ_CONS) */ -#define HC_INDEX_ETH_TX_CQ_CONS_COS1 6 /* Formerly Cstorm ETH CQ index */ - /* (HC_INDEX_C_ETH_TX_CQ_CONS) */ -#define HC_INDEX_ETH_TX_CQ_CONS_COS2 7 /* Formerly Cstorm ETH CQ index */ - /* (HC_INDEX_C_ETH_TX_CQ_CONS) */ +#define HC_INDEX_ETH_RX_CQ_CONS 1 -#define HC_INDEX_ETH_FIRST_TX_CQ_CONS HC_INDEX_ETH_TX_CQ_CONS_COS0 +#define HC_INDEX_OOO_TX_CQ_CONS 4 +#define HC_INDEX_ETH_TX_CQ_CONS_COS0 5 + +#define HC_INDEX_ETH_TX_CQ_CONS_COS1 6 + +#define HC_INDEX_ETH_TX_CQ_CONS_COS2 7 + +#define HC_INDEX_ETH_FIRST_TX_CQ_CONS HC_INDEX_ETH_TX_CQ_CONS_COS0 #define BNX2X_RX_SB_INDEX \ (&fp->sb_index_values[HC_INDEX_ETH_RX_CQ_CONS]) @@ -1100,11 +1159,12 @@ struct bnx2x { #define BP_PORT(bp) (bp->pfid & 1) #define BP_FUNC(bp) (bp->pfid) #define BP_ABS_FUNC(bp) (bp->pf_num) -#define BP_E1HVN(bp) (bp->pfid >> 1) -#define BP_VN(bp) (BP_E1HVN(bp)) /*remove when approved*/ -#define BP_L_ID(bp) (BP_E1HVN(bp) << 2) -#define BP_FW_MB_IDX(bp) (BP_PORT(bp) +\ - BP_VN(bp) * ((CHIP_IS_E1x(bp) || (CHIP_MODE_IS_4_PORT(bp))) ? 2 : 1)) +#define BP_VN(bp) ((bp)->pfid >> 1) +#define BP_MAX_VN_NUM(bp) (CHIP_MODE_IS_4_PORT(bp) ? 2 : 4) +#define BP_L_ID(bp) (BP_VN(bp) << 2) +#define BP_FW_MB_IDX_VN(bp, vn) (BP_PORT(bp) +\ + (vn) * ((CHIP_IS_E1x(bp) || (CHIP_MODE_IS_4_PORT(bp))) ? 2 : 1)) +#define BP_FW_MB_IDX(bp) BP_FW_MB_IDX_VN(bp, BP_VN(bp)) struct net_device *dev; struct pci_dev *pdev; @@ -1767,7 +1827,7 @@ static inline u32 reg_poll(struct bnx2x *bp, u32 reg, u32 expected, int ms, #define MAX_DMAE_C_PER_PORT 8 #define INIT_DMAE_C(bp) (BP_PORT(bp) * MAX_DMAE_C_PER_PORT + \ - BP_E1HVN(bp)) + BP_VN(bp)) #define PMF_DMAE_C(bp) (BP_PORT(bp) * MAX_DMAE_C_PER_PORT + \ E1HVN_MAX) @@ -1793,7 +1853,7 @@ static inline u32 reg_poll(struct bnx2x *bp, u32 reg, u32 expected, int ms, /* must be used on a CID before placing it on a HW ring */ #define HW_CID(bp, x) ((BP_PORT(bp) << 23) | \ - (BP_E1HVN(bp) << BNX2X_SWCID_SHIFT) | \ + (BP_VN(bp) << BNX2X_SWCID_SHIFT) | \ (x)) #define SP_DESC_CNT (BCM_PAGE_SIZE / sizeof(struct eth_spe)) diff --git a/drivers/net/bnx2x/bnx2x_cmn.c b/drivers/net/bnx2x/bnx2x_cmn.c index 37e5790681ad..c4cbf9736414 100644 --- a/drivers/net/bnx2x/bnx2x_cmn.c +++ b/drivers/net/bnx2x/bnx2x_cmn.c @@ -987,8 +987,6 @@ void __bnx2x_link_report(struct bnx2x *bp) void bnx2x_init_rx_rings(struct bnx2x *bp) { int func = BP_FUNC(bp); - int max_agg_queues = CHIP_IS_E1(bp) ? ETH_MAX_AGGREGATION_QUEUES_E1 : - ETH_MAX_AGGREGATION_QUEUES_E1H_E2; u16 ring_prod; int i, j; @@ -1001,7 +999,7 @@ void bnx2x_init_rx_rings(struct bnx2x *bp) if (!fp->disable_tpa) { /* Fill the per-aggregtion pool */ - for (i = 0; i < max_agg_queues; i++) { + for (i = 0; i < MAX_AGG_QS(bp); i++) { struct bnx2x_agg_info *tpa_info = &fp->tpa_info[i]; struct sw_rx_bd *first_buf = @@ -1041,7 +1039,7 @@ void bnx2x_init_rx_rings(struct bnx2x *bp) bnx2x_free_rx_sge_range(bp, fp, ring_prod); bnx2x_free_tpa_pool(bp, fp, - max_agg_queues); + MAX_AGG_QS(bp)); fp->disable_tpa = 1; ring_prod = 0; break; @@ -1137,9 +1135,7 @@ static void bnx2x_free_rx_skbs(struct bnx2x *bp) bnx2x_free_rx_bds(fp); if (!fp->disable_tpa) - bnx2x_free_tpa_pool(bp, fp, CHIP_IS_E1(bp) ? - ETH_MAX_AGGREGATION_QUEUES_E1 : - ETH_MAX_AGGREGATION_QUEUES_E1H_E2); + bnx2x_free_tpa_pool(bp, fp, MAX_AGG_QS(bp)); } } @@ -3095,15 +3091,20 @@ static int bnx2x_alloc_fp_mem_at(struct bnx2x *bp, int index) struct bnx2x_fastpath *fp = &bp->fp[index]; int ring_size = 0; u8 cos; + int rx_ring_size = 0; /* if rx_ring_size specified - use it */ - int rx_ring_size = bp->rx_ring_size ? bp->rx_ring_size : - MAX_RX_AVAIL/BNX2X_NUM_RX_QUEUES(bp); + if (!bp->rx_ring_size) { - /* allocate at least number of buffers required by FW */ - rx_ring_size = max_t(int, bp->disable_tpa ? MIN_RX_SIZE_NONTPA : - MIN_RX_SIZE_TPA, - rx_ring_size); + rx_ring_size = MAX_RX_AVAIL/BNX2X_NUM_RX_QUEUES(bp); + + /* allocate at least number of buffers required by FW */ + rx_ring_size = max_t(int, bp->disable_tpa ? MIN_RX_SIZE_NONTPA : + MIN_RX_SIZE_TPA, rx_ring_size); + + bp->rx_ring_size = rx_ring_size; + } else + rx_ring_size = bp->rx_ring_size; /* Common */ sb = &bnx2x_fp(bp, index, status_blk); diff --git a/drivers/net/bnx2x/bnx2x_ethtool.c b/drivers/net/bnx2x/bnx2x_ethtool.c index 221863059dae..cf3e47914dd7 100644 --- a/drivers/net/bnx2x/bnx2x_ethtool.c +++ b/drivers/net/bnx2x/bnx2x_ethtool.c @@ -363,13 +363,50 @@ static int bnx2x_set_settings(struct net_device *dev, struct ethtool_cmd *cmd) } /* advertise the requested speed and duplex if supported */ - cmd->advertising &= bp->port.supported[cfg_idx]; + if (cmd->advertising & ~(bp->port.supported[cfg_idx])) { + DP(NETIF_MSG_LINK, "Advertisement parameters " + "are not supported\n"); + return -EINVAL; + } bp->link_params.req_line_speed[cfg_idx] = SPEED_AUTO_NEG; - bp->link_params.req_duplex[cfg_idx] = DUPLEX_FULL; - bp->port.advertising[cfg_idx] |= (ADVERTISED_Autoneg | + bp->link_params.req_duplex[cfg_idx] = cmd->duplex; + bp->port.advertising[cfg_idx] = (ADVERTISED_Autoneg | cmd->advertising); + if (cmd->advertising) { + + bp->link_params.speed_cap_mask[cfg_idx] = 0; + if (cmd->advertising & ADVERTISED_10baseT_Half) { + bp->link_params.speed_cap_mask[cfg_idx] |= + PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_HALF; + } + if (cmd->advertising & ADVERTISED_10baseT_Full) + bp->link_params.speed_cap_mask[cfg_idx] |= + PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_FULL; + if (cmd->advertising & ADVERTISED_100baseT_Full) + bp->link_params.speed_cap_mask[cfg_idx] |= + PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_FULL; + + if (cmd->advertising & ADVERTISED_100baseT_Half) { + bp->link_params.speed_cap_mask[cfg_idx] |= + PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_HALF; + } + if (cmd->advertising & ADVERTISED_1000baseT_Half) { + bp->link_params.speed_cap_mask[cfg_idx] |= + PORT_HW_CFG_SPEED_CAPABILITY_D0_1G; + } + if (cmd->advertising & (ADVERTISED_1000baseT_Full | + ADVERTISED_1000baseKX_Full)) + bp->link_params.speed_cap_mask[cfg_idx] |= + PORT_HW_CFG_SPEED_CAPABILITY_D0_1G; + + if (cmd->advertising & (ADVERTISED_10000baseT_Full | + ADVERTISED_10000baseKX4_Full | + ADVERTISED_10000baseKR_Full)) + bp->link_params.speed_cap_mask[cfg_idx] |= + PORT_HW_CFG_SPEED_CAPABILITY_D0_10G; + } } else { /* forced speed */ /* advertise the requested speed and duplex if supported */ switch (speed) { @@ -1310,10 +1347,7 @@ static void bnx2x_get_ringparam(struct net_device *dev, if (bp->rx_ring_size) ering->rx_pending = bp->rx_ring_size; else - if (bp->state == BNX2X_STATE_OPEN && bp->num_queues) - ering->rx_pending = MAX_RX_AVAIL/bp->num_queues; - else - ering->rx_pending = MAX_RX_AVAIL; + ering->rx_pending = MAX_RX_AVAIL; ering->rx_mini_pending = 0; ering->rx_jumbo_pending = 0; diff --git a/drivers/net/bnx2x/bnx2x_link.c b/drivers/net/bnx2x/bnx2x_link.c index d45b1555a602..ba15bdc5a1a9 100644 --- a/drivers/net/bnx2x/bnx2x_link.c +++ b/drivers/net/bnx2x/bnx2x_link.c @@ -778,9 +778,9 @@ static int bnx2x_ets_e3b0_set_cos_bw(struct bnx2x *bp, { u32 nig_reg_adress_crd_weight = 0; u32 pbf_reg_adress_crd_weight = 0; - /* Calculate and set BW for this COS*/ - const u32 cos_bw_nig = (bw * min_w_val_nig) / total_bw; - const u32 cos_bw_pbf = (bw * min_w_val_pbf) / total_bw; + /* Calculate and set BW for this COS - use 1 instead of 0 for BW */ + const u32 cos_bw_nig = ((bw ? bw : 1) * min_w_val_nig) / total_bw; + const u32 cos_bw_pbf = ((bw ? bw : 1) * min_w_val_pbf) / total_bw; switch (cos_entry) { case 0: @@ -852,18 +852,12 @@ static int bnx2x_ets_e3b0_get_total_bw( /* Calculate total BW requested */ for (cos_idx = 0; cos_idx < ets_params->num_of_cos; cos_idx++) { if (bnx2x_cos_state_bw == ets_params->cos[cos_idx].state) { - - if (0 == ets_params->cos[cos_idx].params.bw_params.bw) { - DP(NETIF_MSG_LINK, "bnx2x_ets_E3B0_config BW" - "was set to 0\n"); - return -EINVAL; + *total_bw += + ets_params->cos[cos_idx].params.bw_params.bw; } - *total_bw += - ets_params->cos[cos_idx].params.bw_params.bw; - } } - /*Check taotl BW is valid */ + /* Check total BW is valid */ if ((100 != *total_bw) || (0 == *total_bw)) { if (0 == *total_bw) { DP(NETIF_MSG_LINK, "bnx2x_ets_E3B0_config toatl BW" @@ -1726,7 +1720,7 @@ static int bnx2x_xmac_enable(struct link_params *params, /* Check loopback mode */ if (lb) - val |= XMAC_CTRL_REG_CORE_LOCAL_LPBK; + val |= XMAC_CTRL_REG_LINE_LOCAL_LPBK; REG_WR(bp, xmac_base + XMAC_REG_CTRL, val); bnx2x_set_xumac_nig(params, ((vars->flow_ctrl & BNX2X_FLOW_CTRL_TX) != 0), 1); @@ -3630,6 +3624,12 @@ static void bnx2x_warpcore_enable_AN_KR(struct bnx2x_phy *phy, bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, MDIO_WC_REG_AN_IEEE1BLK_AN_ADVERTISEMENT1, val16); + /* Advertised and set FEC (Forward Error Correction) */ + bnx2x_cl45_write(bp, phy, MDIO_AN_DEVAD, + MDIO_WC_REG_AN_IEEE1BLK_AN_ADVERTISEMENT2, + (MDIO_WC_REG_AN_IEEE1BLK_AN_ADV2_FEC_ABILITY | + MDIO_WC_REG_AN_IEEE1BLK_AN_ADV2_FEC_REQ)); + /* Enable CL37 BAM */ if (REG_RD(bp, params->shmem_base + offsetof(struct shmem_region, dev_info. @@ -5924,7 +5924,7 @@ int bnx2x_set_led(struct link_params *params, (tmp | EMAC_LED_OVERRIDE)); /* * return here without enabling traffic - * LED blink andsetting rate in ON mode. + * LED blink and setting rate in ON mode. * In oper mode, enabling LED blink * and setting rate is needed. */ @@ -5936,7 +5936,11 @@ int bnx2x_set_led(struct link_params *params, * This is a work-around for HW issue found when link * is up in CL73 */ - REG_WR(bp, NIG_REG_LED_10G_P0 + port*4, 1); + if ((!CHIP_IS_E3(bp)) || + (CHIP_IS_E3(bp) && + mode == LED_MODE_ON)) + REG_WR(bp, NIG_REG_LED_10G_P0 + port*4, 1); + if (CHIP_IS_E1x(bp) || CHIP_IS_E2(bp) || (mode == LED_MODE_ON)) @@ -10638,8 +10642,7 @@ static struct bnx2x_phy phy_warpcore = { .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT, .addr = 0xff, .def_md_devad = 0, - .flags = (FLAGS_HW_LOCK_REQUIRED | - FLAGS_TX_ERROR_CHECK), + .flags = FLAGS_HW_LOCK_REQUIRED, .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff}, .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff}, .mdio_ctrl = 0, @@ -10765,8 +10768,7 @@ static struct bnx2x_phy phy_8706 = { .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8706, .addr = 0xff, .def_md_devad = 0, - .flags = (FLAGS_INIT_XGXS_FIRST | - FLAGS_TX_ERROR_CHECK), + .flags = FLAGS_INIT_XGXS_FIRST, .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff}, .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff}, .mdio_ctrl = 0, @@ -10797,8 +10799,7 @@ static struct bnx2x_phy phy_8726 = { .addr = 0xff, .def_md_devad = 0, .flags = (FLAGS_HW_LOCK_REQUIRED | - FLAGS_INIT_XGXS_FIRST | - FLAGS_TX_ERROR_CHECK), + FLAGS_INIT_XGXS_FIRST), .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff}, .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff}, .mdio_ctrl = 0, @@ -10829,8 +10830,7 @@ static struct bnx2x_phy phy_8727 = { .type = PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8727, .addr = 0xff, .def_md_devad = 0, - .flags = (FLAGS_FAN_FAILURE_DET_REQ | - FLAGS_TX_ERROR_CHECK), + .flags = FLAGS_FAN_FAILURE_DET_REQ, .rx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff}, .tx_preemphasis = {0xffff, 0xffff, 0xffff, 0xffff}, .mdio_ctrl = 0, diff --git a/drivers/net/bnx2x/bnx2x_main.c b/drivers/net/bnx2x/bnx2x_main.c index f74582a22c68..c027e9341a1a 100644 --- a/drivers/net/bnx2x/bnx2x_main.c +++ b/drivers/net/bnx2x/bnx2x_main.c @@ -407,8 +407,8 @@ u32 bnx2x_dmae_opcode(struct bnx2x *bp, u8 src_type, u8 dst_type, opcode |= (DMAE_CMD_SRC_RESET | DMAE_CMD_DST_RESET); opcode |= (BP_PORT(bp) ? DMAE_CMD_PORT_1 : DMAE_CMD_PORT_0); - opcode |= ((BP_E1HVN(bp) << DMAE_CMD_E1HVN_SHIFT) | - (BP_E1HVN(bp) << DMAE_COMMAND_DST_VN_SHIFT)); + opcode |= ((BP_VN(bp) << DMAE_CMD_E1HVN_SHIFT) | + (BP_VN(bp) << DMAE_COMMAND_DST_VN_SHIFT)); opcode |= (DMAE_COM_SET_ERR << DMAE_COMMAND_ERR_POLICY_SHIFT); #ifdef __BIG_ENDIAN @@ -1419,7 +1419,7 @@ static void bnx2x_hc_int_enable(struct bnx2x *bp) if (!CHIP_IS_E1(bp)) { /* init leading/trailing edge */ if (IS_MF(bp)) { - val = (0xee0f | (1 << (BP_E1HVN(bp) + 4))); + val = (0xee0f | (1 << (BP_VN(bp) + 4))); if (bp->port.pmf) /* enable nig and gpio3 attention */ val |= 0x1100; @@ -1471,7 +1471,7 @@ static void bnx2x_igu_int_enable(struct bnx2x *bp) /* init leading/trailing edge */ if (IS_MF(bp)) { - val = (0xee0f | (1 << (BP_E1HVN(bp) + 4))); + val = (0xee0f | (1 << (BP_VN(bp) + 4))); if (bp->port.pmf) /* enable nig and gpio3 attention */ val |= 0x1100; @@ -2287,7 +2287,7 @@ static void bnx2x_calc_vn_weight_sum(struct bnx2x *bp) int vn; bp->vn_weight_sum = 0; - for (vn = VN_0; vn < E1HVN_MAX; vn++) { + for (vn = VN_0; vn < BP_MAX_VN_NUM(bp); vn++) { u32 vn_cfg = bp->mf_config[vn]; u32 vn_min_rate = ((vn_cfg & FUNC_MF_CFG_MIN_BW_MASK) >> FUNC_MF_CFG_MIN_BW_SHIFT) * 100; @@ -2320,12 +2320,18 @@ static void bnx2x_calc_vn_weight_sum(struct bnx2x *bp) CMNG_FLAGS_PER_PORT_FAIRNESS_VN; } +/* returns func by VN for current port */ +static inline int func_by_vn(struct bnx2x *bp, int vn) +{ + return 2 * vn + BP_PORT(bp); +} + static void bnx2x_init_vn_minmax(struct bnx2x *bp, int vn) { struct rate_shaping_vars_per_vn m_rs_vn; struct fairness_vars_per_vn m_fair_vn; u32 vn_cfg = bp->mf_config[vn]; - int func = 2*vn + BP_PORT(bp); + int func = func_by_vn(bp, vn); u16 vn_min_rate, vn_max_rate; int i; @@ -2422,7 +2428,7 @@ void bnx2x_read_mf_cfg(struct bnx2x *bp) * * and there are 2 functions per port */ - for (vn = VN_0; vn < E1HVN_MAX; vn++) { + for (vn = VN_0; vn < BP_MAX_VN_NUM(bp); vn++) { int /*abs*/func = n * (2 * vn + BP_PORT(bp)) + BP_PATH(bp); if (func >= E1H_FUNC_MAX) @@ -2454,7 +2460,7 @@ static void bnx2x_cmng_fns_init(struct bnx2x *bp, u8 read_cfg, u8 cmng_type) /* calculate and set min-max rate for each vn */ if (bp->port.pmf) - for (vn = VN_0; vn < E1HVN_MAX; vn++) + for (vn = VN_0; vn < BP_MAX_VN_NUM(bp); vn++) bnx2x_init_vn_minmax(bp, vn); /* always enable rate shaping and fairness */ @@ -2473,16 +2479,15 @@ static void bnx2x_cmng_fns_init(struct bnx2x *bp, u8 read_cfg, u8 cmng_type) static inline void bnx2x_link_sync_notify(struct bnx2x *bp) { - int port = BP_PORT(bp); int func; int vn; /* Set the attention towards other drivers on the same port */ - for (vn = VN_0; vn < E1HVN_MAX; vn++) { - if (vn == BP_E1HVN(bp)) + for (vn = VN_0; vn < BP_MAX_VN_NUM(bp); vn++) { + if (vn == BP_VN(bp)) continue; - func = ((vn << 1) | port); + func = func_by_vn(bp, vn); REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_0 + (LINK_SYNC_ATTENTION_BIT_FUNC_0 + func)*4, 1); } @@ -2577,7 +2582,7 @@ static void bnx2x_pmf_update(struct bnx2x *bp) bnx2x_dcbx_pmf_update(bp); /* enable nig attention */ - val = (0xff0f | (1 << (BP_E1HVN(bp) + 4))); + val = (0xff0f | (1 << (BP_VN(bp) + 4))); if (bp->common.int_block == INT_BLOCK_HC) { REG_WR(bp, HC_REG_TRAILING_EDGE_0 + port*8, val); REG_WR(bp, HC_REG_LEADING_EDGE_0 + port*8, val); @@ -2756,8 +2761,14 @@ static void bnx2x_pf_rx_q_prep(struct bnx2x *bp, u16 tpa_agg_size = 0; if (!fp->disable_tpa) { - pause->sge_th_hi = 250; - pause->sge_th_lo = 150; + pause->sge_th_lo = SGE_TH_LO(bp); + pause->sge_th_hi = SGE_TH_HI(bp); + + /* validate SGE ring has enough to cross high threshold */ + WARN_ON(bp->dropless_fc && + pause->sge_th_hi + FW_PREFETCH_CNT > + MAX_RX_SGE_CNT * NUM_RX_SGE_PAGES); + tpa_agg_size = min_t(u32, (min_t(u32, 8, MAX_SKB_FRAGS) * SGE_PAGE_SIZE * PAGES_PER_SGE), 0xffff); @@ -2771,10 +2782,21 @@ static void bnx2x_pf_rx_q_prep(struct bnx2x *bp, /* pause - not for e1 */ if (!CHIP_IS_E1(bp)) { - pause->bd_th_hi = 350; - pause->bd_th_lo = 250; - pause->rcq_th_hi = 350; - pause->rcq_th_lo = 250; + pause->bd_th_lo = BD_TH_LO(bp); + pause->bd_th_hi = BD_TH_HI(bp); + + pause->rcq_th_lo = RCQ_TH_LO(bp); + pause->rcq_th_hi = RCQ_TH_HI(bp); + /* + * validate that rings have enough entries to cross + * high thresholds + */ + WARN_ON(bp->dropless_fc && + pause->bd_th_hi + FW_PREFETCH_CNT > + bp->rx_ring_size); + WARN_ON(bp->dropless_fc && + pause->rcq_th_hi + FW_PREFETCH_CNT > + NUM_RCQ_RINGS * MAX_RCQ_DESC_CNT); pause->pri_map = 1; } @@ -2802,9 +2824,7 @@ static void bnx2x_pf_rx_q_prep(struct bnx2x *bp, * For PF Clients it should be the maximum avaliable number. * VF driver(s) may want to define it to a smaller value. */ - rxq_init->max_tpa_queues = - (CHIP_IS_E1(bp) ? ETH_MAX_AGGREGATION_QUEUES_E1 : - ETH_MAX_AGGREGATION_QUEUES_E1H_E2); + rxq_init->max_tpa_queues = MAX_AGG_QS(bp); rxq_init->cache_line_log = BNX2X_RX_ALIGN_SHIFT; rxq_init->fw_sb_id = fp->fw_sb_id; @@ -4808,6 +4828,37 @@ void bnx2x_setup_ndsb_state_machine(struct hc_status_block_sm *hc_sm, hc_sm->time_to_expire = 0xFFFFFFFF; } + +/* allocates state machine ids. */ +static inline +void bnx2x_map_sb_state_machines(struct hc_index_data *index_data) +{ + /* zero out state machine indices */ + /* rx indices */ + index_data[HC_INDEX_ETH_RX_CQ_CONS].flags &= ~HC_INDEX_DATA_SM_ID; + + /* tx indices */ + index_data[HC_INDEX_OOO_TX_CQ_CONS].flags &= ~HC_INDEX_DATA_SM_ID; + index_data[HC_INDEX_ETH_TX_CQ_CONS_COS0].flags &= ~HC_INDEX_DATA_SM_ID; + index_data[HC_INDEX_ETH_TX_CQ_CONS_COS1].flags &= ~HC_INDEX_DATA_SM_ID; + index_data[HC_INDEX_ETH_TX_CQ_CONS_COS2].flags &= ~HC_INDEX_DATA_SM_ID; + + /* map indices */ + /* rx indices */ + index_data[HC_INDEX_ETH_RX_CQ_CONS].flags |= + SM_RX_ID << HC_INDEX_DATA_SM_ID_SHIFT; + + /* tx indices */ + index_data[HC_INDEX_OOO_TX_CQ_CONS].flags |= + SM_TX_ID << HC_INDEX_DATA_SM_ID_SHIFT; + index_data[HC_INDEX_ETH_TX_CQ_CONS_COS0].flags |= + SM_TX_ID << HC_INDEX_DATA_SM_ID_SHIFT; + index_data[HC_INDEX_ETH_TX_CQ_CONS_COS1].flags |= + SM_TX_ID << HC_INDEX_DATA_SM_ID_SHIFT; + index_data[HC_INDEX_ETH_TX_CQ_CONS_COS2].flags |= + SM_TX_ID << HC_INDEX_DATA_SM_ID_SHIFT; +} + static void bnx2x_init_sb(struct bnx2x *bp, dma_addr_t mapping, int vfid, u8 vf_valid, int fw_sb_id, int igu_sb_id) { @@ -4839,6 +4890,7 @@ static void bnx2x_init_sb(struct bnx2x *bp, dma_addr_t mapping, int vfid, hc_sm_p = sb_data_e2.common.state_machine; sb_data_p = (u32 *)&sb_data_e2; data_size = sizeof(struct hc_status_block_data_e2)/sizeof(u32); + bnx2x_map_sb_state_machines(sb_data_e2.index_data); } else { memset(&sb_data_e1x, 0, sizeof(struct hc_status_block_data_e1x)); @@ -4853,6 +4905,7 @@ static void bnx2x_init_sb(struct bnx2x *bp, dma_addr_t mapping, int vfid, hc_sm_p = sb_data_e1x.common.state_machine; sb_data_p = (u32 *)&sb_data_e1x; data_size = sizeof(struct hc_status_block_data_e1x)/sizeof(u32); + bnx2x_map_sb_state_machines(sb_data_e1x.index_data); } bnx2x_setup_ndsb_state_machine(&hc_sm_p[SM_RX_ID], @@ -5802,7 +5855,7 @@ static int bnx2x_init_hw_common(struct bnx2x *bp) * take the UNDI lock to protect undi_unload flow from accessing * registers while we're resetting the chip */ - bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_UNDI); + bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_RESET); bnx2x_reset_common(bp); REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_SET, 0xffffffff); @@ -5814,7 +5867,7 @@ static int bnx2x_init_hw_common(struct bnx2x *bp) } REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET, val); - bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_UNDI); + bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_RESET); bnx2x_init_block(bp, BLOCK_MISC, PHASE_COMMON); @@ -6671,12 +6724,16 @@ static int bnx2x_init_hw_func(struct bnx2x *bp) if (CHIP_MODE_IS_4_PORT(bp)) dsb_idx = BP_FUNC(bp); else - dsb_idx = BP_E1HVN(bp); + dsb_idx = BP_VN(bp); prod_offset = (CHIP_INT_MODE_IS_BC(bp) ? IGU_BC_BASE_DSB_PROD + dsb_idx : IGU_NORM_BASE_DSB_PROD + dsb_idx); + /* + * igu prods come in chunks of E1HVN_MAX (4) - + * does not matters what is the current chip mode + */ for (i = 0; i < (num_segs * E1HVN_MAX); i += E1HVN_MAX) { addr = IGU_REG_PROD_CONS_MEMORY + @@ -7570,7 +7627,7 @@ u32 bnx2x_send_unload_req(struct bnx2x *bp, int unload_mode) u32 val; /* The mac address is written to entries 1-4 to preserve entry 0 which is used by the PMF */ - u8 entry = (BP_E1HVN(bp) + 1)*8; + u8 entry = (BP_VN(bp) + 1)*8; val = (mac_addr[0] << 8) | mac_addr[1]; EMAC_WR(bp, EMAC_REG_EMAC_MAC_MATCH + entry, val); @@ -8546,10 +8603,12 @@ static void __devinit bnx2x_undi_unload(struct bnx2x *bp) /* Check if there is any driver already loaded */ val = REG_RD(bp, MISC_REG_UNPREPARED); if (val == 0x1) { - /* Check if it is the UNDI driver + + bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_RESET); + /* + * Check if it is the UNDI driver * UNDI driver initializes CID offset for normal bell to 0x7 */ - bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_UNDI); val = REG_RD(bp, DORQ_REG_NORM_CID_OFST); if (val == 0x7) { u32 reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_DIS; @@ -8587,9 +8646,6 @@ static void __devinit bnx2x_undi_unload(struct bnx2x *bp) bnx2x_fw_command(bp, reset_code, 0); } - /* now it's safe to release the lock */ - bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_UNDI); - bnx2x_undi_int_disable(bp); port = BP_PORT(bp); @@ -8639,8 +8695,10 @@ static void __devinit bnx2x_undi_unload(struct bnx2x *bp) bp->fw_seq = (SHMEM_RD(bp, func_mb[bp->pf_num].drv_mb_header) & DRV_MSG_SEQ_NUMBER_MASK); - } else - bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_UNDI); + } + + /* now it's safe to release the lock */ + bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_RESET); } } @@ -8777,13 +8835,13 @@ static void __devinit bnx2x_get_common_hwinfo(struct bnx2x *bp) static void __devinit bnx2x_get_igu_cam_info(struct bnx2x *bp) { int pfid = BP_FUNC(bp); - int vn = BP_E1HVN(bp); int igu_sb_id; u32 val; u8 fid, igu_sb_cnt = 0; bp->igu_base_sb = 0xff; if (CHIP_INT_MODE_IS_BC(bp)) { + int vn = BP_VN(bp); igu_sb_cnt = bp->igu_sb_cnt; bp->igu_base_sb = (CHIP_MODE_IS_4_PORT(bp) ? pfid : vn) * FP_SB_MAX_E1x; @@ -9416,6 +9474,10 @@ static int __devinit bnx2x_get_hwinfo(struct bnx2x *bp) bp->igu_base_sb = 0; } else { bp->common.int_block = INT_BLOCK_IGU; + + /* do not allow device reset during IGU info preocessing */ + bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_RESET); + val = REG_RD(bp, IGU_REG_BLOCK_CONFIGURATION); if (val & IGU_BLOCK_CONFIGURATION_REG_BACKWARD_COMP_EN) { @@ -9447,6 +9509,7 @@ static int __devinit bnx2x_get_hwinfo(struct bnx2x *bp) bnx2x_get_igu_cam_info(bp); + bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_RESET); } /* @@ -9473,7 +9536,7 @@ static int __devinit bnx2x_get_hwinfo(struct bnx2x *bp) bp->mf_ov = 0; bp->mf_mode = 0; - vn = BP_E1HVN(bp); + vn = BP_VN(bp); if (!CHIP_IS_E1(bp) && !BP_NOMCP(bp)) { BNX2X_DEV_INFO("shmem2base 0x%x, size %d, mfcfg offset %d\n", @@ -9593,13 +9656,6 @@ static int __devinit bnx2x_get_hwinfo(struct bnx2x *bp) /* port info */ bnx2x_get_port_hwinfo(bp); - if (!BP_NOMCP(bp)) { - bp->fw_seq = - (SHMEM_RD(bp, func_mb[BP_FW_MB_IDX(bp)].drv_mb_header) & - DRV_MSG_SEQ_NUMBER_MASK); - BNX2X_DEV_INFO("fw_seq 0x%08x\n", bp->fw_seq); - } - /* Get MAC addresses */ bnx2x_get_mac_hwinfo(bp); @@ -9765,6 +9821,14 @@ static int __devinit bnx2x_init_bp(struct bnx2x *bp) if (!BP_NOMCP(bp)) bnx2x_undi_unload(bp); + /* init fw_seq after undi_unload! */ + if (!BP_NOMCP(bp)) { + bp->fw_seq = + (SHMEM_RD(bp, func_mb[BP_FW_MB_IDX(bp)].drv_mb_header) & + DRV_MSG_SEQ_NUMBER_MASK); + BNX2X_DEV_INFO("fw_seq 0x%08x\n", bp->fw_seq); + } + if (CHIP_REV_IS_FPGA(bp)) dev_err(&bp->pdev->dev, "FPGA detected\n"); @@ -10259,17 +10323,21 @@ static int __devinit bnx2x_init_dev(struct pci_dev *pdev, /* clean indirect addresses */ pci_write_config_dword(bp->pdev, PCICFG_GRC_ADDRESS, PCICFG_VENDOR_ID_OFFSET); - /* Clean the following indirect addresses for all functions since it + /* + * Clean the following indirect addresses for all functions since it * is not used by the driver. */ REG_WR(bp, PXP2_REG_PGL_ADDR_88_F0, 0); REG_WR(bp, PXP2_REG_PGL_ADDR_8C_F0, 0); REG_WR(bp, PXP2_REG_PGL_ADDR_90_F0, 0); REG_WR(bp, PXP2_REG_PGL_ADDR_94_F0, 0); - REG_WR(bp, PXP2_REG_PGL_ADDR_88_F1, 0); - REG_WR(bp, PXP2_REG_PGL_ADDR_8C_F1, 0); - REG_WR(bp, PXP2_REG_PGL_ADDR_90_F1, 0); - REG_WR(bp, PXP2_REG_PGL_ADDR_94_F1, 0); + + if (CHIP_IS_E1x(bp)) { + REG_WR(bp, PXP2_REG_PGL_ADDR_88_F1, 0); + REG_WR(bp, PXP2_REG_PGL_ADDR_8C_F1, 0); + REG_WR(bp, PXP2_REG_PGL_ADDR_90_F1, 0); + REG_WR(bp, PXP2_REG_PGL_ADDR_94_F1, 0); + } /* * Enable internal target-read (in case we are probed after PF FLR). diff --git a/drivers/net/bnx2x/bnx2x_reg.h b/drivers/net/bnx2x/bnx2x_reg.h index 40266c14e6dc..750e8445dac4 100644 --- a/drivers/net/bnx2x/bnx2x_reg.h +++ b/drivers/net/bnx2x/bnx2x_reg.h @@ -5320,7 +5320,7 @@ #define XCM_REG_XX_OVFL_EVNT_ID 0x20058 #define XMAC_CLEAR_RX_LSS_STATUS_REG_CLEAR_LOCAL_FAULT_STATUS (0x1<<0) #define XMAC_CLEAR_RX_LSS_STATUS_REG_CLEAR_REMOTE_FAULT_STATUS (0x1<<1) -#define XMAC_CTRL_REG_CORE_LOCAL_LPBK (0x1<<3) +#define XMAC_CTRL_REG_LINE_LOCAL_LPBK (0x1<<2) #define XMAC_CTRL_REG_RX_EN (0x1<<1) #define XMAC_CTRL_REG_SOFT_RESET (0x1<<6) #define XMAC_CTRL_REG_TX_EN (0x1<<0) @@ -5766,7 +5766,7 @@ #define HW_LOCK_RESOURCE_RECOVERY_LEADER_0 8 #define HW_LOCK_RESOURCE_RECOVERY_LEADER_1 9 #define HW_LOCK_RESOURCE_SPIO 2 -#define HW_LOCK_RESOURCE_UNDI 5 +#define HW_LOCK_RESOURCE_RESET 5 #define AEU_INPUTS_ATTN_BITS_ATC_HW_INTERRUPT (0x1<<4) #define AEU_INPUTS_ATTN_BITS_ATC_PARITY_ERROR (0x1<<5) #define AEU_INPUTS_ATTN_BITS_BRB_PARITY_ERROR (0x1<<18) @@ -6853,6 +6853,9 @@ Theotherbitsarereservedandshouldbezero*/ #define MDIO_WC_REG_IEEE0BLK_AUTONEGNP 0x7 #define MDIO_WC_REG_AN_IEEE1BLK_AN_ADVERTISEMENT0 0x10 #define MDIO_WC_REG_AN_IEEE1BLK_AN_ADVERTISEMENT1 0x11 +#define MDIO_WC_REG_AN_IEEE1BLK_AN_ADVERTISEMENT2 0x12 +#define MDIO_WC_REG_AN_IEEE1BLK_AN_ADV2_FEC_ABILITY 0x4000 +#define MDIO_WC_REG_AN_IEEE1BLK_AN_ADV2_FEC_REQ 0x8000 #define MDIO_WC_REG_PMD_IEEE9BLK_TENGBASE_KR_PMD_CONTROL_REGISTER_150 0x96 #define MDIO_WC_REG_XGXSBLK0_XGXSCONTROL 0x8000 #define MDIO_WC_REG_XGXSBLK0_MISCCONTROL1 0x800e diff --git a/drivers/net/bnx2x/bnx2x_stats.c b/drivers/net/bnx2x/bnx2x_stats.c index 771f6803b238..9908f2bbcf73 100644 --- a/drivers/net/bnx2x/bnx2x_stats.c +++ b/drivers/net/bnx2x/bnx2x_stats.c @@ -710,7 +710,8 @@ static int bnx2x_hw_stats_update(struct bnx2x *bp) break; case MAC_TYPE_NONE: /* unreached */ - BNX2X_ERR("stats updated by DMAE but no MAC active\n"); + DP(BNX2X_MSG_STATS, + "stats updated by DMAE but no MAC active\n"); return -1; default: /* unreached */ @@ -1391,7 +1392,7 @@ static void bnx2x_port_stats_base_init(struct bnx2x *bp) static void bnx2x_func_stats_base_init(struct bnx2x *bp) { - int vn, vn_max = IS_MF(bp) ? E1HVN_MAX : E1VN_MAX; + int vn, vn_max = IS_MF(bp) ? BP_MAX_VN_NUM(bp) : E1VN_MAX; u32 func_stx; /* sanity */ @@ -1404,7 +1405,7 @@ static void bnx2x_func_stats_base_init(struct bnx2x *bp) func_stx = bp->func_stx; for (vn = VN_0; vn < vn_max; vn++) { - int mb_idx = CHIP_IS_E1x(bp) ? 2*vn + BP_PORT(bp) : vn; + int mb_idx = BP_FW_MB_IDX_VN(bp, vn); bp->func_stx = SHMEM_RD(bp, func_mb[mb_idx].fw_mb_param); bnx2x_func_stats_init(bp); diff --git a/drivers/net/can/ti_hecc.c b/drivers/net/can/ti_hecc.c index a81249246ece..2adc294f512a 100644 --- a/drivers/net/can/ti_hecc.c +++ b/drivers/net/can/ti_hecc.c @@ -46,6 +46,7 @@ #include <linux/skbuff.h> #include <linux/platform_device.h> #include <linux/clk.h> +#include <linux/io.h> #include <linux/can/dev.h> #include <linux/can/error.h> diff --git a/drivers/net/e1000/e1000_hw.c b/drivers/net/e1000/e1000_hw.c index 8545c7aa93eb..a5a89ecb6f36 100644 --- a/drivers/net/e1000/e1000_hw.c +++ b/drivers/net/e1000/e1000_hw.c @@ -4026,6 +4026,12 @@ s32 e1000_validate_eeprom_checksum(struct e1000_hw *hw) checksum += eeprom_data; } +#ifdef CONFIG_PARISC + /* This is a signature and not a checksum on HP c8000 */ + if ((hw->subsystem_vendor_id == 0x103C) && (eeprom_data == 0x16d6)) + return E1000_SUCCESS; + +#endif if (checksum == (u16) EEPROM_SUM) return E1000_SUCCESS; else { diff --git a/drivers/net/gianfar_ethtool.c b/drivers/net/gianfar_ethtool.c index 25a8c2adb001..0caf3c323ec0 100644 --- a/drivers/net/gianfar_ethtool.c +++ b/drivers/net/gianfar_ethtool.c @@ -1669,10 +1669,10 @@ static int gfar_get_cls_all(struct gfar_private *priv, u32 i = 0; list_for_each_entry(comp, &priv->rx_list.list, list) { - if (i <= cmd->rule_cnt) { - rule_locs[i] = comp->fs.location; - i++; - } + if (i == cmd->rule_cnt) + return -EMSGSIZE; + rule_locs[i] = comp->fs.location; + i++; } cmd->data = MAX_FILER_IDX; diff --git a/drivers/net/greth.c b/drivers/net/greth.c index 16ce45c11934..52a39000c42c 100644 --- a/drivers/net/greth.c +++ b/drivers/net/greth.c @@ -428,6 +428,7 @@ greth_start_xmit(struct sk_buff *skb, struct net_device *dev) dma_sync_single_for_device(greth->dev, dma_addr, skb->len, DMA_TO_DEVICE); status = GRETH_BD_EN | GRETH_BD_IE | (skb->len & GRETH_BD_LEN); + greth->tx_bufs_length[greth->tx_next] = skb->len & GRETH_BD_LEN; /* Wrap around descriptor ring */ if (greth->tx_next == GRETH_TXBD_NUM_MASK) { @@ -490,7 +491,8 @@ greth_start_xmit_gbit(struct sk_buff *skb, struct net_device *dev) if (nr_frags != 0) status = GRETH_TXBD_MORE; - status |= GRETH_TXBD_CSALL; + if (skb->ip_summed == CHECKSUM_PARTIAL) + status |= GRETH_TXBD_CSALL; status |= skb_headlen(skb) & GRETH_BD_LEN; if (greth->tx_next == GRETH_TXBD_NUM_MASK) status |= GRETH_BD_WR; @@ -513,7 +515,9 @@ greth_start_xmit_gbit(struct sk_buff *skb, struct net_device *dev) greth->tx_skbuff[curr_tx] = NULL; bdp = greth->tx_bd_base + curr_tx; - status = GRETH_TXBD_CSALL | GRETH_BD_EN; + status = GRETH_BD_EN; + if (skb->ip_summed == CHECKSUM_PARTIAL) + status |= GRETH_TXBD_CSALL; status |= frag->size & GRETH_BD_LEN; /* Wrap around descriptor ring */ @@ -641,6 +645,7 @@ static void greth_clean_tx(struct net_device *dev) dev->stats.tx_fifo_errors++; } dev->stats.tx_packets++; + dev->stats.tx_bytes += greth->tx_bufs_length[greth->tx_last]; greth->tx_last = NEXT_TX(greth->tx_last); greth->tx_free++; } @@ -695,6 +700,7 @@ static void greth_clean_tx_gbit(struct net_device *dev) greth->tx_skbuff[greth->tx_last] = NULL; greth_update_tx_stats(dev, stat); + dev->stats.tx_bytes += skb->len; bdp = greth->tx_bd_base + greth->tx_last; @@ -796,6 +802,7 @@ static int greth_rx(struct net_device *dev, int limit) memcpy(skb_put(skb, pkt_len), phys_to_virt(dma_addr), pkt_len); skb->protocol = eth_type_trans(skb, dev); + dev->stats.rx_bytes += pkt_len; dev->stats.rx_packets++; netif_receive_skb(skb); } @@ -910,6 +917,7 @@ static int greth_rx_gbit(struct net_device *dev, int limit) skb->protocol = eth_type_trans(skb, dev); dev->stats.rx_packets++; + dev->stats.rx_bytes += pkt_len; netif_receive_skb(skb); greth->rx_skbuff[greth->rx_cur] = newskb; diff --git a/drivers/net/greth.h b/drivers/net/greth.h index 9a0040dee4da..232a622a85b7 100644 --- a/drivers/net/greth.h +++ b/drivers/net/greth.h @@ -103,6 +103,7 @@ struct greth_private { unsigned char *tx_bufs[GRETH_TXBD_NUM]; unsigned char *rx_bufs[GRETH_RXBD_NUM]; + u16 tx_bufs_length[GRETH_TXBD_NUM]; u16 tx_next; u16 tx_last; diff --git a/drivers/net/ibmveth.c b/drivers/net/ibmveth.c index 3e6679269400..8dd5fccef725 100644 --- a/drivers/net/ibmveth.c +++ b/drivers/net/ibmveth.c @@ -757,7 +757,7 @@ static int ibmveth_set_csum_offload(struct net_device *dev, u32 data) struct ibmveth_adapter *adapter = netdev_priv(dev); unsigned long set_attr, clr_attr, ret_attr; unsigned long set_attr6, clr_attr6; - long ret, ret6; + long ret, ret4, ret6; int rc1 = 0, rc2 = 0; int restart = 0; @@ -770,6 +770,8 @@ static int ibmveth_set_csum_offload(struct net_device *dev, u32 data) set_attr = 0; clr_attr = 0; + set_attr6 = 0; + clr_attr6 = 0; if (data) { set_attr = IBMVETH_ILLAN_IPV4_TCP_CSUM; @@ -784,16 +786,20 @@ static int ibmveth_set_csum_offload(struct net_device *dev, u32 data) if (ret == H_SUCCESS && !(ret_attr & IBMVETH_ILLAN_ACTIVE_TRUNK) && !(ret_attr & IBMVETH_ILLAN_TRUNK_PRI_MASK) && (ret_attr & IBMVETH_ILLAN_PADDED_PKT_CSUM)) { - ret = h_illan_attributes(adapter->vdev->unit_address, clr_attr, + ret4 = h_illan_attributes(adapter->vdev->unit_address, clr_attr, set_attr, &ret_attr); - if (ret != H_SUCCESS) { + if (ret4 != H_SUCCESS) { netdev_err(dev, "unable to change IPv4 checksum " "offload settings. %d rc=%ld\n", - data, ret); + data, ret4); + + h_illan_attributes(adapter->vdev->unit_address, + set_attr, clr_attr, &ret_attr); + + if (data == 1) + dev->features &= ~NETIF_F_IP_CSUM; - ret = h_illan_attributes(adapter->vdev->unit_address, - set_attr, clr_attr, &ret_attr); } else { adapter->fw_ipv4_csum_support = data; } @@ -804,15 +810,18 @@ static int ibmveth_set_csum_offload(struct net_device *dev, u32 data) if (ret6 != H_SUCCESS) { netdev_err(dev, "unable to change IPv6 checksum " "offload settings. %d rc=%ld\n", - data, ret); + data, ret6); + + h_illan_attributes(adapter->vdev->unit_address, + set_attr6, clr_attr6, &ret_attr); + + if (data == 1) + dev->features &= ~NETIF_F_IPV6_CSUM; - ret = h_illan_attributes(adapter->vdev->unit_address, - set_attr6, clr_attr6, - &ret_attr); } else adapter->fw_ipv6_csum_support = data; - if (ret != H_SUCCESS || ret6 != H_SUCCESS) + if (ret4 == H_SUCCESS || ret6 == H_SUCCESS) adapter->rx_csum = data; else rc1 = -EIO; @@ -930,6 +939,7 @@ static netdev_tx_t ibmveth_start_xmit(struct sk_buff *skb, union ibmveth_buf_desc descs[6]; int last, i; int force_bounce = 0; + dma_addr_t dma_addr; /* * veth handles a maximum of 6 segments including the header, so @@ -994,17 +1004,16 @@ retry_bounce: } /* Map the header */ - descs[0].fields.address = dma_map_single(&adapter->vdev->dev, skb->data, - skb_headlen(skb), - DMA_TO_DEVICE); - if (dma_mapping_error(&adapter->vdev->dev, descs[0].fields.address)) + dma_addr = dma_map_single(&adapter->vdev->dev, skb->data, + skb_headlen(skb), DMA_TO_DEVICE); + if (dma_mapping_error(&adapter->vdev->dev, dma_addr)) goto map_failed; descs[0].fields.flags_len = desc_flags | skb_headlen(skb); + descs[0].fields.address = dma_addr; /* Map the frags */ for (i = 0; i < skb_shinfo(skb)->nr_frags; i++) { - unsigned long dma_addr; skb_frag_t *frag = &skb_shinfo(skb)->frags[i]; dma_addr = dma_map_page(&adapter->vdev->dev, frag->page, @@ -1026,7 +1035,12 @@ retry_bounce: netdev->stats.tx_bytes += skb->len; } - for (i = 0; i < skb_shinfo(skb)->nr_frags + 1; i++) + dma_unmap_single(&adapter->vdev->dev, + descs[0].fields.address, + descs[0].fields.flags_len & IBMVETH_BUF_LEN_MASK, + DMA_TO_DEVICE); + + for (i = 1; i < skb_shinfo(skb)->nr_frags + 1; i++) dma_unmap_page(&adapter->vdev->dev, descs[i].fields.address, descs[i].fields.flags_len & IBMVETH_BUF_LEN_MASK, DMA_TO_DEVICE); diff --git a/drivers/net/ixgbe/ixgbe_main.c b/drivers/net/ixgbe/ixgbe_main.c index 22790394318a..e1fcc9589278 100644 --- a/drivers/net/ixgbe/ixgbe_main.c +++ b/drivers/net/ixgbe/ixgbe_main.c @@ -1321,8 +1321,8 @@ static void ixgbe_clean_rx_irq(struct ixgbe_q_vector *q_vector, if (ring_is_rsc_enabled(rx_ring)) pkt_is_rsc = ixgbe_get_rsc_state(rx_desc); - /* if this is a skb from previous receive DMA will be 0 */ - if (rx_buffer_info->dma) { + /* linear means we are building an skb from multiple pages */ + if (!skb_is_nonlinear(skb)) { u16 hlen; if (pkt_is_rsc && !(staterr & IXGBE_RXD_STAT_EOP) && diff --git a/drivers/net/netconsole.c b/drivers/net/netconsole.c index dfc82720065a..ed2a3977c6e7 100644 --- a/drivers/net/netconsole.c +++ b/drivers/net/netconsole.c @@ -799,5 +799,11 @@ static void __exit cleanup_netconsole(void) } } -module_init(init_netconsole); +/* + * Use late_initcall to ensure netconsole is + * initialized after network device driver if built-in. + * + * late_initcall() and module_init() are identical if built as module. + */ +late_initcall(init_netconsole); module_exit(cleanup_netconsole); diff --git a/drivers/net/pch_gbe/pch_gbe.h b/drivers/net/pch_gbe/pch_gbe.h index 59fac77d0dbb..a09a07197eb5 100644 --- a/drivers/net/pch_gbe/pch_gbe.h +++ b/drivers/net/pch_gbe/pch_gbe.h @@ -127,8 +127,8 @@ struct pch_gbe_regs { /* Reset */ #define PCH_GBE_ALL_RST 0x80000000 /* All reset */ -#define PCH_GBE_TX_RST 0x40000000 /* TX MAC, TX FIFO, TX DMA reset */ -#define PCH_GBE_RX_RST 0x04000000 /* RX MAC, RX FIFO, RX DMA reset */ +#define PCH_GBE_TX_RST 0x00008000 /* TX MAC, TX FIFO, TX DMA reset */ +#define PCH_GBE_RX_RST 0x00004000 /* RX MAC, RX FIFO, RX DMA reset */ /* TCP/IP Accelerator Control */ #define PCH_GBE_EX_LIST_EN 0x00000008 /* External List Enable */ @@ -276,6 +276,9 @@ struct pch_gbe_regs { #define PCH_GBE_RX_DMA_EN 0x00000002 /* Enables Receive DMA */ #define PCH_GBE_TX_DMA_EN 0x00000001 /* Enables Transmission DMA */ +/* RX DMA STATUS */ +#define PCH_GBE_IDLE_CHECK 0xFFFFFFFE + /* Wake On LAN Status */ #define PCH_GBE_WLS_BR 0x00000008 /* Broadcas Address */ #define PCH_GBE_WLS_MLT 0x00000004 /* Multicast Address */ @@ -471,6 +474,7 @@ struct pch_gbe_tx_desc { struct pch_gbe_buffer { struct sk_buff *skb; dma_addr_t dma; + unsigned char *rx_buffer; unsigned long time_stamp; u16 length; bool mapped; @@ -511,6 +515,9 @@ struct pch_gbe_tx_ring { struct pch_gbe_rx_ring { struct pch_gbe_rx_desc *desc; dma_addr_t dma; + unsigned char *rx_buff_pool; + dma_addr_t rx_buff_pool_logic; + unsigned int rx_buff_pool_size; unsigned int size; unsigned int count; unsigned int next_to_use; @@ -622,6 +629,7 @@ struct pch_gbe_adapter { unsigned long rx_buffer_len; unsigned long tx_queue_len; bool have_msi; + bool rx_stop_flag; }; extern const char pch_driver_version[]; diff --git a/drivers/net/pch_gbe/pch_gbe_main.c b/drivers/net/pch_gbe/pch_gbe_main.c index eac3c5ca9731..567ff10889be 100644 --- a/drivers/net/pch_gbe/pch_gbe_main.c +++ b/drivers/net/pch_gbe/pch_gbe_main.c @@ -20,7 +20,6 @@ #include "pch_gbe.h" #include "pch_gbe_api.h" -#include <linux/prefetch.h> #define DRV_VERSION "1.00" const char pch_driver_version[] = DRV_VERSION; @@ -34,11 +33,15 @@ const char pch_driver_version[] = DRV_VERSION; #define PCH_GBE_WATCHDOG_PERIOD (1 * HZ) /* watchdog time */ #define PCH_GBE_COPYBREAK_DEFAULT 256 #define PCH_GBE_PCI_BAR 1 +#define PCH_GBE_RESERVE_MEMORY 0x200000 /* 2MB */ /* Macros for ML7223 */ #define PCI_VENDOR_ID_ROHM 0x10db #define PCI_DEVICE_ID_ROHM_ML7223_GBE 0x8013 +/* Macros for ML7831 */ +#define PCI_DEVICE_ID_ROHM_ML7831_GBE 0x8802 + #define PCH_GBE_TX_WEIGHT 64 #define PCH_GBE_RX_WEIGHT 64 #define PCH_GBE_RX_BUFFER_WRITE 16 @@ -52,6 +55,7 @@ const char pch_driver_version[] = DRV_VERSION; ) /* Ethertype field values */ +#define PCH_GBE_MAX_RX_BUFFER_SIZE 0x2880 #define PCH_GBE_MAX_JUMBO_FRAME_SIZE 10318 #define PCH_GBE_FRAME_SIZE_2048 2048 #define PCH_GBE_FRAME_SIZE_4096 4096 @@ -83,10 +87,12 @@ const char pch_driver_version[] = DRV_VERSION; #define PCH_GBE_INT_ENABLE_MASK ( \ PCH_GBE_INT_RX_DMA_CMPLT | \ PCH_GBE_INT_RX_DSC_EMP | \ + PCH_GBE_INT_RX_FIFO_ERR | \ PCH_GBE_INT_WOL_DET | \ PCH_GBE_INT_TX_CMPLT \ ) +#define PCH_GBE_INT_DISABLE_ALL 0 static unsigned int copybreak __read_mostly = PCH_GBE_COPYBREAK_DEFAULT; @@ -138,6 +144,27 @@ static void pch_gbe_wait_clr_bit(void *reg, u32 bit) if (!tmp) pr_err("Error: busy bit is not cleared\n"); } + +/** + * pch_gbe_wait_clr_bit_irq - Wait to clear a bit for interrupt context + * @reg: Pointer of register + * @busy: Busy bit + */ +static int pch_gbe_wait_clr_bit_irq(void *reg, u32 bit) +{ + u32 tmp; + int ret = -1; + /* wait busy */ + tmp = 20; + while ((ioread32(reg) & bit) && --tmp) + udelay(5); + if (!tmp) + pr_err("Error: busy bit is not cleared\n"); + else + ret = 0; + return ret; +} + /** * pch_gbe_mac_mar_set - Set MAC address register * @hw: Pointer to the HW structure @@ -189,6 +216,17 @@ static void pch_gbe_mac_reset_hw(struct pch_gbe_hw *hw) return; } +static void pch_gbe_mac_reset_rx(struct pch_gbe_hw *hw) +{ + /* Read the MAC address. and store to the private data */ + pch_gbe_mac_read_mac_addr(hw); + iowrite32(PCH_GBE_RX_RST, &hw->reg->RESET); + pch_gbe_wait_clr_bit_irq(&hw->reg->RESET, PCH_GBE_RX_RST); + /* Setup the MAC address */ + pch_gbe_mac_mar_set(hw, hw->mac.addr, 0); + return; +} + /** * pch_gbe_mac_init_rx_addrs - Initialize receive address's * @hw: Pointer to the HW structure @@ -671,13 +709,8 @@ static void pch_gbe_setup_rctl(struct pch_gbe_adapter *adapter) tcpip = ioread32(&hw->reg->TCPIP_ACC); - if (netdev->features & NETIF_F_RXCSUM) { - tcpip &= ~PCH_GBE_RX_TCPIPACC_OFF; - tcpip |= PCH_GBE_RX_TCPIPACC_EN; - } else { - tcpip |= PCH_GBE_RX_TCPIPACC_OFF; - tcpip &= ~PCH_GBE_RX_TCPIPACC_EN; - } + tcpip |= PCH_GBE_RX_TCPIPACC_OFF; + tcpip &= ~PCH_GBE_RX_TCPIPACC_EN; iowrite32(tcpip, &hw->reg->TCPIP_ACC); return; } @@ -717,13 +750,6 @@ static void pch_gbe_configure_rx(struct pch_gbe_adapter *adapter) iowrite32(rdba, &hw->reg->RX_DSC_BASE); iowrite32(rdlen, &hw->reg->RX_DSC_SIZE); iowrite32((rdba + rdlen), &hw->reg->RX_DSC_SW_P); - - /* Enables Receive DMA */ - rxdma = ioread32(&hw->reg->DMA_CTRL); - rxdma |= PCH_GBE_RX_DMA_EN; - iowrite32(rxdma, &hw->reg->DMA_CTRL); - /* Enables Receive */ - iowrite32(PCH_GBE_MRE_MAC_RX_EN, &hw->reg->MAC_RX_EN); } /** @@ -1097,6 +1123,48 @@ void pch_gbe_update_stats(struct pch_gbe_adapter *adapter) spin_unlock_irqrestore(&adapter->stats_lock, flags); } +static void pch_gbe_stop_receive(struct pch_gbe_adapter *adapter) +{ + struct pch_gbe_hw *hw = &adapter->hw; + u32 rxdma; + u16 value; + int ret; + + /* Disable Receive DMA */ + rxdma = ioread32(&hw->reg->DMA_CTRL); + rxdma &= ~PCH_GBE_RX_DMA_EN; + iowrite32(rxdma, &hw->reg->DMA_CTRL); + /* Wait Rx DMA BUS is IDLE */ + ret = pch_gbe_wait_clr_bit_irq(&hw->reg->RX_DMA_ST, PCH_GBE_IDLE_CHECK); + if (ret) { + /* Disable Bus master */ + pci_read_config_word(adapter->pdev, PCI_COMMAND, &value); + value &= ~PCI_COMMAND_MASTER; + pci_write_config_word(adapter->pdev, PCI_COMMAND, value); + /* Stop Receive */ + pch_gbe_mac_reset_rx(hw); + /* Enable Bus master */ + value |= PCI_COMMAND_MASTER; + pci_write_config_word(adapter->pdev, PCI_COMMAND, value); + } else { + /* Stop Receive */ + pch_gbe_mac_reset_rx(hw); + } +} + +static void pch_gbe_start_receive(struct pch_gbe_hw *hw) +{ + u32 rxdma; + + /* Enables Receive DMA */ + rxdma = ioread32(&hw->reg->DMA_CTRL); + rxdma |= PCH_GBE_RX_DMA_EN; + iowrite32(rxdma, &hw->reg->DMA_CTRL); + /* Enables Receive */ + iowrite32(PCH_GBE_MRE_MAC_RX_EN, &hw->reg->MAC_RX_EN); + return; +} + /** * pch_gbe_intr - Interrupt Handler * @irq: Interrupt number @@ -1123,7 +1191,15 @@ static irqreturn_t pch_gbe_intr(int irq, void *data) if (int_st & PCH_GBE_INT_RX_FRAME_ERR) adapter->stats.intr_rx_frame_err_count++; if (int_st & PCH_GBE_INT_RX_FIFO_ERR) - adapter->stats.intr_rx_fifo_err_count++; + if (!adapter->rx_stop_flag) { + adapter->stats.intr_rx_fifo_err_count++; + pr_debug("Rx fifo over run\n"); + adapter->rx_stop_flag = true; + int_en = ioread32(&hw->reg->INT_EN); + iowrite32((int_en & ~PCH_GBE_INT_RX_FIFO_ERR), + &hw->reg->INT_EN); + pch_gbe_stop_receive(adapter); + } if (int_st & PCH_GBE_INT_RX_DMA_ERR) adapter->stats.intr_rx_dma_err_count++; if (int_st & PCH_GBE_INT_TX_FIFO_ERR) @@ -1135,7 +1211,7 @@ static irqreturn_t pch_gbe_intr(int irq, void *data) /* When Rx descriptor is empty */ if ((int_st & PCH_GBE_INT_RX_DSC_EMP)) { adapter->stats.intr_rx_dsc_empty_count++; - pr_err("Rx descriptor is empty\n"); + pr_debug("Rx descriptor is empty\n"); int_en = ioread32(&hw->reg->INT_EN); iowrite32((int_en & ~PCH_GBE_INT_RX_DSC_EMP), &hw->reg->INT_EN); if (hw->mac.tx_fc_enable) { @@ -1185,29 +1261,23 @@ pch_gbe_alloc_rx_buffers(struct pch_gbe_adapter *adapter, unsigned int i; unsigned int bufsz; - bufsz = adapter->rx_buffer_len + PCH_GBE_DMA_ALIGN; + bufsz = adapter->rx_buffer_len + NET_IP_ALIGN; i = rx_ring->next_to_use; while ((cleaned_count--)) { buffer_info = &rx_ring->buffer_info[i]; - skb = buffer_info->skb; - if (skb) { - skb_trim(skb, 0); - } else { - skb = netdev_alloc_skb(netdev, bufsz); - if (unlikely(!skb)) { - /* Better luck next round */ - adapter->stats.rx_alloc_buff_failed++; - break; - } - /* 64byte align */ - skb_reserve(skb, PCH_GBE_DMA_ALIGN); - - buffer_info->skb = skb; - buffer_info->length = adapter->rx_buffer_len; + skb = netdev_alloc_skb(netdev, bufsz); + if (unlikely(!skb)) { + /* Better luck next round */ + adapter->stats.rx_alloc_buff_failed++; + break; } + /* align */ + skb_reserve(skb, NET_IP_ALIGN); + buffer_info->skb = skb; + buffer_info->dma = dma_map_single(&pdev->dev, - skb->data, + buffer_info->rx_buffer, buffer_info->length, DMA_FROM_DEVICE); if (dma_mapping_error(&adapter->pdev->dev, buffer_info->dma)) { @@ -1240,6 +1310,36 @@ pch_gbe_alloc_rx_buffers(struct pch_gbe_adapter *adapter, return; } +static int +pch_gbe_alloc_rx_buffers_pool(struct pch_gbe_adapter *adapter, + struct pch_gbe_rx_ring *rx_ring, int cleaned_count) +{ + struct pci_dev *pdev = adapter->pdev; + struct pch_gbe_buffer *buffer_info; + unsigned int i; + unsigned int bufsz; + unsigned int size; + + bufsz = adapter->rx_buffer_len; + + size = rx_ring->count * bufsz + PCH_GBE_RESERVE_MEMORY; + rx_ring->rx_buff_pool = dma_alloc_coherent(&pdev->dev, size, + &rx_ring->rx_buff_pool_logic, + GFP_KERNEL); + if (!rx_ring->rx_buff_pool) { + pr_err("Unable to allocate memory for the receive poll buffer\n"); + return -ENOMEM; + } + memset(rx_ring->rx_buff_pool, 0, size); + rx_ring->rx_buff_pool_size = size; + for (i = 0; i < rx_ring->count; i++) { + buffer_info = &rx_ring->buffer_info[i]; + buffer_info->rx_buffer = rx_ring->rx_buff_pool + bufsz * i; + buffer_info->length = bufsz; + } + return 0; +} + /** * pch_gbe_alloc_tx_buffers - Allocate transmit buffers * @adapter: Board private structure @@ -1380,7 +1480,7 @@ pch_gbe_clean_rx(struct pch_gbe_adapter *adapter, unsigned int i; unsigned int cleaned_count = 0; bool cleaned = false; - struct sk_buff *skb, *new_skb; + struct sk_buff *skb; u8 dma_status; u16 gbec_status; u32 tcp_ip_status; @@ -1401,13 +1501,12 @@ pch_gbe_clean_rx(struct pch_gbe_adapter *adapter, rx_desc->gbec_status = DSC_INIT16; buffer_info = &rx_ring->buffer_info[i]; skb = buffer_info->skb; + buffer_info->skb = NULL; /* unmap dma */ dma_unmap_single(&pdev->dev, buffer_info->dma, buffer_info->length, DMA_FROM_DEVICE); buffer_info->mapped = false; - /* Prefetch the packet */ - prefetch(skb->data); pr_debug("RxDecNo = 0x%04x Status[DMA:0x%02x GBE:0x%04x " "TCP:0x%08x] BufInf = 0x%p\n", @@ -1427,70 +1526,16 @@ pch_gbe_clean_rx(struct pch_gbe_adapter *adapter, pr_err("Receive CRC Error\n"); } else { /* get receive length */ - /* length convert[-3] */ - length = (rx_desc->rx_words_eob) - 3; - - /* Decide the data conversion method */ - if (!(netdev->features & NETIF_F_RXCSUM)) { - /* [Header:14][payload] */ - if (NET_IP_ALIGN) { - /* Because alignment differs, - * the new_skb is newly allocated, - * and data is copied to new_skb.*/ - new_skb = netdev_alloc_skb(netdev, - length + NET_IP_ALIGN); - if (!new_skb) { - /* dorrop error */ - pr_err("New skb allocation " - "Error\n"); - goto dorrop; - } - skb_reserve(new_skb, NET_IP_ALIGN); - memcpy(new_skb->data, skb->data, - length); - skb = new_skb; - } else { - /* DMA buffer is used as SKB as it is.*/ - buffer_info->skb = NULL; - } - } else { - /* [Header:14][padding:2][payload] */ - /* The length includes padding length */ - length = length - PCH_GBE_DMA_PADDING; - if ((length < copybreak) || - (NET_IP_ALIGN != PCH_GBE_DMA_PADDING)) { - /* Because alignment differs, - * the new_skb is newly allocated, - * and data is copied to new_skb. - * Padding data is deleted - * at the time of a copy.*/ - new_skb = netdev_alloc_skb(netdev, - length + NET_IP_ALIGN); - if (!new_skb) { - /* dorrop error */ - pr_err("New skb allocation " - "Error\n"); - goto dorrop; - } - skb_reserve(new_skb, NET_IP_ALIGN); - memcpy(new_skb->data, skb->data, - ETH_HLEN); - memcpy(&new_skb->data[ETH_HLEN], - &skb->data[ETH_HLEN + - PCH_GBE_DMA_PADDING], - length - ETH_HLEN); - skb = new_skb; - } else { - /* Padding data is deleted - * by moving header data.*/ - memmove(&skb->data[PCH_GBE_DMA_PADDING], - &skb->data[0], ETH_HLEN); - skb_reserve(skb, NET_IP_ALIGN); - buffer_info->skb = NULL; - } - } - /* The length includes FCS length */ - length = length - ETH_FCS_LEN; + /* length convert[-3], length includes FCS length */ + length = (rx_desc->rx_words_eob) - 3 - ETH_FCS_LEN; + if (rx_desc->rx_words_eob & 0x02) + length = length - 4; + /* + * buffer_info->rx_buffer: [Header:14][payload] + * skb->data: [Reserve:2][Header:14][payload] + */ + memcpy(skb->data, buffer_info->rx_buffer, length); + /* update status of driver */ adapter->stats.rx_bytes += length; adapter->stats.rx_packets++; @@ -1509,7 +1554,6 @@ pch_gbe_clean_rx(struct pch_gbe_adapter *adapter, pr_debug("Receive skb->ip_summed: %d length: %d\n", skb->ip_summed, length); } -dorrop: /* return some buffers to hardware, one at a time is too slow */ if (unlikely(cleaned_count >= PCH_GBE_RX_BUFFER_WRITE)) { pch_gbe_alloc_rx_buffers(adapter, rx_ring, @@ -1714,9 +1758,15 @@ int pch_gbe_up(struct pch_gbe_adapter *adapter) pr_err("Error: can't bring device up\n"); return err; } + err = pch_gbe_alloc_rx_buffers_pool(adapter, rx_ring, rx_ring->count); + if (err) { + pr_err("Error: can't bring device up\n"); + return err; + } pch_gbe_alloc_tx_buffers(adapter, tx_ring); pch_gbe_alloc_rx_buffers(adapter, rx_ring, rx_ring->count); adapter->tx_queue_len = netdev->tx_queue_len; + pch_gbe_start_receive(&adapter->hw); mod_timer(&adapter->watchdog_timer, jiffies); @@ -1734,6 +1784,7 @@ int pch_gbe_up(struct pch_gbe_adapter *adapter) void pch_gbe_down(struct pch_gbe_adapter *adapter) { struct net_device *netdev = adapter->netdev; + struct pch_gbe_rx_ring *rx_ring = adapter->rx_ring; /* signal that we're down so the interrupt handler does not * reschedule our watchdog timer */ @@ -1752,6 +1803,12 @@ void pch_gbe_down(struct pch_gbe_adapter *adapter) pch_gbe_reset(adapter); pch_gbe_clean_tx_ring(adapter, adapter->tx_ring); pch_gbe_clean_rx_ring(adapter, adapter->rx_ring); + + pci_free_consistent(adapter->pdev, rx_ring->rx_buff_pool_size, + rx_ring->rx_buff_pool, rx_ring->rx_buff_pool_logic); + rx_ring->rx_buff_pool_logic = 0; + rx_ring->rx_buff_pool_size = 0; + rx_ring->rx_buff_pool = NULL; } /** @@ -2004,6 +2061,8 @@ static int pch_gbe_change_mtu(struct net_device *netdev, int new_mtu) { struct pch_gbe_adapter *adapter = netdev_priv(netdev); int max_frame; + unsigned long old_rx_buffer_len = adapter->rx_buffer_len; + int err; max_frame = new_mtu + ETH_HLEN + ETH_FCS_LEN; if ((max_frame < ETH_ZLEN + ETH_FCS_LEN) || @@ -2018,14 +2077,24 @@ static int pch_gbe_change_mtu(struct net_device *netdev, int new_mtu) else if (max_frame <= PCH_GBE_FRAME_SIZE_8192) adapter->rx_buffer_len = PCH_GBE_FRAME_SIZE_8192; else - adapter->rx_buffer_len = PCH_GBE_MAX_JUMBO_FRAME_SIZE; - netdev->mtu = new_mtu; - adapter->hw.mac.max_frame_size = max_frame; + adapter->rx_buffer_len = PCH_GBE_MAX_RX_BUFFER_SIZE; - if (netif_running(netdev)) - pch_gbe_reinit_locked(adapter); - else + if (netif_running(netdev)) { + pch_gbe_down(adapter); + err = pch_gbe_up(adapter); + if (err) { + adapter->rx_buffer_len = old_rx_buffer_len; + pch_gbe_up(adapter); + return -ENOMEM; + } else { + netdev->mtu = new_mtu; + adapter->hw.mac.max_frame_size = max_frame; + } + } else { pch_gbe_reset(adapter); + netdev->mtu = new_mtu; + adapter->hw.mac.max_frame_size = max_frame; + } pr_debug("max_frame : %d rx_buffer_len : %d mtu : %d max_frame_size : %d\n", max_frame, (u32) adapter->rx_buffer_len, netdev->mtu, @@ -2103,6 +2172,7 @@ static int pch_gbe_napi_poll(struct napi_struct *napi, int budget) int work_done = 0; bool poll_end_flag = false; bool cleaned = false; + u32 int_en; pr_debug("budget : %d\n", budget); @@ -2110,8 +2180,15 @@ static int pch_gbe_napi_poll(struct napi_struct *napi, int budget) if (!netif_carrier_ok(netdev)) { poll_end_flag = true; } else { - cleaned = pch_gbe_clean_tx(adapter, adapter->tx_ring); pch_gbe_clean_rx(adapter, adapter->rx_ring, &work_done, budget); + if (adapter->rx_stop_flag) { + adapter->rx_stop_flag = false; + pch_gbe_start_receive(&adapter->hw); + int_en = ioread32(&adapter->hw.reg->INT_EN); + iowrite32((int_en | PCH_GBE_INT_RX_FIFO_ERR), + &adapter->hw.reg->INT_EN); + } + cleaned = pch_gbe_clean_tx(adapter, adapter->tx_ring); if (cleaned) work_done = budget; @@ -2452,6 +2529,13 @@ static DEFINE_PCI_DEVICE_TABLE(pch_gbe_pcidev_id) = { .class = (PCI_CLASS_NETWORK_ETHERNET << 8), .class_mask = (0xFFFF00) }, + {.vendor = PCI_VENDOR_ID_ROHM, + .device = PCI_DEVICE_ID_ROHM_ML7831_GBE, + .subvendor = PCI_ANY_ID, + .subdevice = PCI_ANY_ID, + .class = (PCI_CLASS_NETWORK_ETHERNET << 8), + .class_mask = (0xFFFF00) + }, /* required last entry */ {0} }; diff --git a/drivers/net/ppp_generic.c b/drivers/net/ppp_generic.c index 10e5d985afa3..edfa15d2e795 100644 --- a/drivers/net/ppp_generic.c +++ b/drivers/net/ppp_generic.c @@ -1465,7 +1465,12 @@ static int ppp_mp_explode(struct ppp *ppp, struct sk_buff *skb) continue; } - mtu = pch->chan->mtu - hdrlen; + /* + * hdrlen includes the 2-byte PPP protocol field, but the + * MTU counts only the payload excluding the protocol field. + * (RFC1661 Section 2) + */ + mtu = pch->chan->mtu - (hdrlen - 2); if (mtu < 4) mtu = 4; if (flen > mtu) diff --git a/drivers/net/pxa168_eth.c b/drivers/net/pxa168_eth.c index 1a3033d8e7ed..d17d0624c5e6 100644 --- a/drivers/net/pxa168_eth.c +++ b/drivers/net/pxa168_eth.c @@ -40,6 +40,7 @@ #include <linux/clk.h> #include <linux/phy.h> #include <linux/io.h> +#include <linux/interrupt.h> #include <linux/types.h> #include <asm/pgtable.h> #include <asm/system.h> diff --git a/drivers/net/r8169.c b/drivers/net/r8169.c index 02339b3352e7..c23667017922 100644 --- a/drivers/net/r8169.c +++ b/drivers/net/r8169.c @@ -407,6 +407,7 @@ enum rtl_register_content { RxOK = 0x0001, /* RxStatusDesc */ + RxBOVF = (1 << 24), RxFOVF = (1 << 23), RxRWT = (1 << 22), RxRES = (1 << 21), @@ -682,6 +683,7 @@ struct rtl8169_private { struct mii_if_info mii; struct rtl8169_counters counters; u32 saved_wolopts; + u32 opts1_mask; struct rtl_fw { const struct firmware *fw; @@ -710,6 +712,7 @@ MODULE_FIRMWARE(FIRMWARE_8168D_1); MODULE_FIRMWARE(FIRMWARE_8168D_2); MODULE_FIRMWARE(FIRMWARE_8168E_1); MODULE_FIRMWARE(FIRMWARE_8168E_2); +MODULE_FIRMWARE(FIRMWARE_8168E_3); MODULE_FIRMWARE(FIRMWARE_8105E_1); static int rtl8169_open(struct net_device *dev); @@ -3077,6 +3080,14 @@ static void rtl8169_phy_reset(struct net_device *dev, netif_err(tp, link, dev, "PHY reset failed\n"); } +static bool rtl_tbi_enabled(struct rtl8169_private *tp) +{ + void __iomem *ioaddr = tp->mmio_addr; + + return (tp->mac_version == RTL_GIGA_MAC_VER_01) && + (RTL_R8(PHYstatus) & TBI_Enable); +} + static void rtl8169_init_phy(struct net_device *dev, struct rtl8169_private *tp) { void __iomem *ioaddr = tp->mmio_addr; @@ -3109,7 +3120,7 @@ static void rtl8169_init_phy(struct net_device *dev, struct rtl8169_private *tp) ADVERTISED_1000baseT_Half | ADVERTISED_1000baseT_Full : 0)); - if (RTL_R8(PHYstatus) & TBI_Enable) + if (rtl_tbi_enabled(tp)) netif_info(tp, link, dev, "TBI auto-negotiating\n"); } @@ -3319,9 +3330,16 @@ static void r810x_phy_power_up(struct rtl8169_private *tp) static void r810x_pll_power_down(struct rtl8169_private *tp) { + void __iomem *ioaddr = tp->mmio_addr; + if (__rtl8169_get_wol(tp) & WAKE_ANY) { rtl_writephy(tp, 0x1f, 0x0000); rtl_writephy(tp, MII_BMCR, 0x0000); + + if (tp->mac_version == RTL_GIGA_MAC_VER_29 || + tp->mac_version == RTL_GIGA_MAC_VER_30) + RTL_W32(RxConfig, RTL_R32(RxConfig) | AcceptBroadcast | + AcceptMulticast | AcceptMyPhys); return; } @@ -3417,7 +3435,8 @@ static void r8168_pll_power_down(struct rtl8169_private *tp) rtl_writephy(tp, MII_BMCR, 0x0000); if (tp->mac_version == RTL_GIGA_MAC_VER_32 || - tp->mac_version == RTL_GIGA_MAC_VER_33) + tp->mac_version == RTL_GIGA_MAC_VER_33 || + tp->mac_version == RTL_GIGA_MAC_VER_34) RTL_W32(RxConfig, RTL_R32(RxConfig) | AcceptBroadcast | AcceptMulticast | AcceptMyPhys); return; @@ -3727,8 +3746,7 @@ rtl8169_init_one(struct pci_dev *pdev, const struct pci_device_id *ent) tp->features |= rtl_try_msi(pdev, ioaddr, cfg); RTL_W8(Cfg9346, Cfg9346_Lock); - if ((tp->mac_version <= RTL_GIGA_MAC_VER_06) && - (RTL_R8(PHYstatus) & TBI_Enable)) { + if (rtl_tbi_enabled(tp)) { tp->set_speed = rtl8169_set_speed_tbi; tp->get_settings = rtl8169_gset_tbi; tp->phy_reset_enable = rtl8169_tbi_reset_enable; @@ -3777,6 +3795,9 @@ rtl8169_init_one(struct pci_dev *pdev, const struct pci_device_id *ent) tp->intr_event = cfg->intr_event; tp->napi_event = cfg->napi_event; + tp->opts1_mask = (tp->mac_version != RTL_GIGA_MAC_VER_01) ? + ~(RxBOVF | RxFOVF) : ~0; + init_timer(&tp->timer); tp->timer.data = (unsigned long) dev; tp->timer.function = rtl8169_phy_timer; @@ -3988,6 +4009,7 @@ static void rtl8169_hw_reset(struct rtl8169_private *tp) while (RTL_R8(TxPoll) & NPQ) udelay(20); } else if (tp->mac_version == RTL_GIGA_MAC_VER_34) { + RTL_W8(ChipCmd, RTL_R8(ChipCmd) | StopReq); while (!(RTL_R32(TxConfig) & TXCFG_EMPTY)) udelay(100); } else { @@ -5314,7 +5336,7 @@ static int rtl8169_rx_interrupt(struct net_device *dev, u32 status; rmb(); - status = le32_to_cpu(desc->opts1); + status = le32_to_cpu(desc->opts1) & tp->opts1_mask; if (status & DescOwn) break; diff --git a/drivers/net/sfc/efx.c b/drivers/net/sfc/efx.c index faca764aa21b..b59abc706d93 100644 --- a/drivers/net/sfc/efx.c +++ b/drivers/net/sfc/efx.c @@ -1050,7 +1050,6 @@ static int efx_init_io(struct efx_nic *efx) { struct pci_dev *pci_dev = efx->pci_dev; dma_addr_t dma_mask = efx->type->max_dma_mask; - bool use_wc; int rc; netif_dbg(efx, probe, efx->net_dev, "initialising I/O\n"); @@ -1101,21 +1100,8 @@ static int efx_init_io(struct efx_nic *efx) rc = -EIO; goto fail3; } - - /* bug22643: If SR-IOV is enabled then tx push over a write combined - * mapping is unsafe. We need to disable write combining in this case. - * MSI is unsupported when SR-IOV is enabled, and the firmware will - * have removed the MSI capability. So write combining is safe if - * there is an MSI capability. - */ - use_wc = (!EFX_WORKAROUND_22643(efx) || - pci_find_capability(pci_dev, PCI_CAP_ID_MSI)); - if (use_wc) - efx->membase = ioremap_wc(efx->membase_phys, - efx->type->mem_map_size); - else - efx->membase = ioremap_nocache(efx->membase_phys, - efx->type->mem_map_size); + efx->membase = ioremap_nocache(efx->membase_phys, + efx->type->mem_map_size); if (!efx->membase) { netif_err(efx, probe, efx->net_dev, "could not map memory BAR at %llx+%x\n", diff --git a/drivers/net/sfc/io.h b/drivers/net/sfc/io.h index cc978803d484..751d1ec112cc 100644 --- a/drivers/net/sfc/io.h +++ b/drivers/net/sfc/io.h @@ -103,7 +103,6 @@ static inline void efx_writeo(struct efx_nic *efx, efx_oword_t *value, _efx_writed(efx, value->u32[2], reg + 8); _efx_writed(efx, value->u32[3], reg + 12); #endif - wmb(); mmiowb(); spin_unlock_irqrestore(&efx->biu_lock, flags); } @@ -126,7 +125,6 @@ static inline void efx_sram_writeq(struct efx_nic *efx, void __iomem *membase, __raw_writel((__force u32)value->u32[0], membase + addr); __raw_writel((__force u32)value->u32[1], membase + addr + 4); #endif - wmb(); mmiowb(); spin_unlock_irqrestore(&efx->biu_lock, flags); } @@ -141,7 +139,6 @@ static inline void efx_writed(struct efx_nic *efx, efx_dword_t *value, /* No lock required */ _efx_writed(efx, value->u32[0], reg); - wmb(); } /* Read a 128-bit CSR, locking as appropriate. */ @@ -152,7 +149,6 @@ static inline void efx_reado(struct efx_nic *efx, efx_oword_t *value, spin_lock_irqsave(&efx->biu_lock, flags); value->u32[0] = _efx_readd(efx, reg + 0); - rmb(); value->u32[1] = _efx_readd(efx, reg + 4); value->u32[2] = _efx_readd(efx, reg + 8); value->u32[3] = _efx_readd(efx, reg + 12); @@ -175,7 +171,6 @@ static inline void efx_sram_readq(struct efx_nic *efx, void __iomem *membase, value->u64[0] = (__force __le64)__raw_readq(membase + addr); #else value->u32[0] = (__force __le32)__raw_readl(membase + addr); - rmb(); value->u32[1] = (__force __le32)__raw_readl(membase + addr + 4); #endif spin_unlock_irqrestore(&efx->biu_lock, flags); @@ -249,7 +244,6 @@ static inline void _efx_writeo_page(struct efx_nic *efx, efx_oword_t *value, _efx_writed(efx, value->u32[2], reg + 8); _efx_writed(efx, value->u32[3], reg + 12); #endif - wmb(); } #define efx_writeo_page(efx, value, reg, page) \ _efx_writeo_page(efx, value, \ diff --git a/drivers/net/sfc/mcdi.c b/drivers/net/sfc/mcdi.c index 3dd45ed61f0a..81a425397468 100644 --- a/drivers/net/sfc/mcdi.c +++ b/drivers/net/sfc/mcdi.c @@ -50,20 +50,6 @@ static inline struct efx_mcdi_iface *efx_mcdi(struct efx_nic *efx) return &nic_data->mcdi; } -static inline void -efx_mcdi_readd(struct efx_nic *efx, efx_dword_t *value, unsigned reg) -{ - struct siena_nic_data *nic_data = efx->nic_data; - value->u32[0] = (__force __le32)__raw_readl(nic_data->mcdi_smem + reg); -} - -static inline void -efx_mcdi_writed(struct efx_nic *efx, const efx_dword_t *value, unsigned reg) -{ - struct siena_nic_data *nic_data = efx->nic_data; - __raw_writel((__force u32)value->u32[0], nic_data->mcdi_smem + reg); -} - void efx_mcdi_init(struct efx_nic *efx) { struct efx_mcdi_iface *mcdi; @@ -84,8 +70,8 @@ static void efx_mcdi_copyin(struct efx_nic *efx, unsigned cmd, const u8 *inbuf, size_t inlen) { struct efx_mcdi_iface *mcdi = efx_mcdi(efx); - unsigned pdu = MCDI_PDU(efx); - unsigned doorbell = MCDI_DOORBELL(efx); + unsigned pdu = FR_CZ_MC_TREG_SMEM + MCDI_PDU(efx); + unsigned doorbell = FR_CZ_MC_TREG_SMEM + MCDI_DOORBELL(efx); unsigned int i; efx_dword_t hdr; u32 xflags, seqno; @@ -106,28 +92,29 @@ static void efx_mcdi_copyin(struct efx_nic *efx, unsigned cmd, MCDI_HEADER_SEQ, seqno, MCDI_HEADER_XFLAGS, xflags); - efx_mcdi_writed(efx, &hdr, pdu); + efx_writed(efx, &hdr, pdu); for (i = 0; i < inlen; i += 4) - efx_mcdi_writed(efx, (const efx_dword_t *)(inbuf + i), - pdu + 4 + i); + _efx_writed(efx, *((__le32 *)(inbuf + i)), pdu + 4 + i); + + /* Ensure the payload is written out before the header */ + wmb(); /* ring the doorbell with a distinctive value */ - EFX_POPULATE_DWORD_1(hdr, EFX_DWORD_0, 0x45789abc); - efx_mcdi_writed(efx, &hdr, doorbell); + _efx_writed(efx, (__force __le32) 0x45789abc, doorbell); } static void efx_mcdi_copyout(struct efx_nic *efx, u8 *outbuf, size_t outlen) { struct efx_mcdi_iface *mcdi = efx_mcdi(efx); - unsigned int pdu = MCDI_PDU(efx); + unsigned int pdu = FR_CZ_MC_TREG_SMEM + MCDI_PDU(efx); int i; BUG_ON(atomic_read(&mcdi->state) == MCDI_STATE_QUIESCENT); BUG_ON(outlen & 3 || outlen >= 0x100); for (i = 0; i < outlen; i += 4) - efx_mcdi_readd(efx, (efx_dword_t *)(outbuf + i), pdu + 4 + i); + *((__le32 *)(outbuf + i)) = _efx_readd(efx, pdu + 4 + i); } static int efx_mcdi_poll(struct efx_nic *efx) @@ -135,7 +122,7 @@ static int efx_mcdi_poll(struct efx_nic *efx) struct efx_mcdi_iface *mcdi = efx_mcdi(efx); unsigned int time, finish; unsigned int respseq, respcmd, error; - unsigned int pdu = MCDI_PDU(efx); + unsigned int pdu = FR_CZ_MC_TREG_SMEM + MCDI_PDU(efx); unsigned int rc, spins; efx_dword_t reg; @@ -161,7 +148,8 @@ static int efx_mcdi_poll(struct efx_nic *efx) time = get_seconds(); - efx_mcdi_readd(efx, ®, pdu); + rmb(); + efx_readd(efx, ®, pdu); /* All 1's indicates that shared memory is in reset (and is * not a valid header). Wait for it to come out reset before @@ -188,7 +176,7 @@ static int efx_mcdi_poll(struct efx_nic *efx) respseq, mcdi->seqno); rc = EIO; } else if (error) { - efx_mcdi_readd(efx, ®, pdu + 4); + efx_readd(efx, ®, pdu + 4); switch (EFX_DWORD_FIELD(reg, EFX_DWORD_0)) { #define TRANSLATE_ERROR(name) \ case MC_CMD_ERR_ ## name: \ @@ -222,21 +210,21 @@ out: /* Test and clear MC-rebooted flag for this port/function */ int efx_mcdi_poll_reboot(struct efx_nic *efx) { - unsigned int addr = MCDI_REBOOT_FLAG(efx); + unsigned int addr = FR_CZ_MC_TREG_SMEM + MCDI_REBOOT_FLAG(efx); efx_dword_t reg; uint32_t value; if (efx_nic_rev(efx) < EFX_REV_SIENA_A0) return false; - efx_mcdi_readd(efx, ®, addr); + efx_readd(efx, ®, addr); value = EFX_DWORD_FIELD(reg, EFX_DWORD_0); if (value == 0) return 0; EFX_ZERO_DWORD(reg); - efx_mcdi_writed(efx, ®, addr); + efx_writed(efx, ®, addr); if (value == MC_STATUS_DWORD_ASSERT) return -EINTR; diff --git a/drivers/net/sfc/nic.c b/drivers/net/sfc/nic.c index bafa23a6874c..3edfbaf5f022 100644 --- a/drivers/net/sfc/nic.c +++ b/drivers/net/sfc/nic.c @@ -1936,13 +1936,6 @@ void efx_nic_get_regs(struct efx_nic *efx, void *buf) size = min_t(size_t, table->step, 16); - if (table->offset >= efx->type->mem_map_size) { - /* No longer mapped; return dummy data */ - memcpy(buf, "\xde\xc0\xad\xde", 4); - buf += table->rows * size; - continue; - } - for (i = 0; i < table->rows; i++) { switch (table->step) { case 4: /* 32-bit register or SRAM */ diff --git a/drivers/net/sfc/nic.h b/drivers/net/sfc/nic.h index 4bd1f2839dfe..7443f99c977f 100644 --- a/drivers/net/sfc/nic.h +++ b/drivers/net/sfc/nic.h @@ -143,12 +143,10 @@ static inline struct falcon_board *falcon_board(struct efx_nic *efx) /** * struct siena_nic_data - Siena NIC state * @mcdi: Management-Controller-to-Driver Interface - * @mcdi_smem: MCDI shared memory mapping. The mapping is always uncacheable. * @wol_filter_id: Wake-on-LAN packet filter id */ struct siena_nic_data { struct efx_mcdi_iface mcdi; - void __iomem *mcdi_smem; int wol_filter_id; }; diff --git a/drivers/net/sfc/siena.c b/drivers/net/sfc/siena.c index 5735e84c69de..2c3bd93fab54 100644 --- a/drivers/net/sfc/siena.c +++ b/drivers/net/sfc/siena.c @@ -250,26 +250,12 @@ static int siena_probe_nic(struct efx_nic *efx) efx_reado(efx, ®, FR_AZ_CS_DEBUG); efx->net_dev->dev_id = EFX_OWORD_FIELD(reg, FRF_CZ_CS_PORT_NUM) - 1; - /* Initialise MCDI */ - nic_data->mcdi_smem = ioremap_nocache(efx->membase_phys + - FR_CZ_MC_TREG_SMEM, - FR_CZ_MC_TREG_SMEM_STEP * - FR_CZ_MC_TREG_SMEM_ROWS); - if (!nic_data->mcdi_smem) { - netif_err(efx, probe, efx->net_dev, - "could not map MCDI at %llx+%x\n", - (unsigned long long)efx->membase_phys + - FR_CZ_MC_TREG_SMEM, - FR_CZ_MC_TREG_SMEM_STEP * FR_CZ_MC_TREG_SMEM_ROWS); - rc = -ENOMEM; - goto fail1; - } efx_mcdi_init(efx); /* Recover from a failed assertion before probing */ rc = efx_mcdi_handle_assertion(efx); if (rc) - goto fail2; + goto fail1; /* Let the BMC know that the driver is now in charge of link and * filter settings. We must do this before we reset the NIC */ @@ -324,7 +310,6 @@ fail4: fail3: efx_mcdi_drv_attach(efx, false, NULL); fail2: - iounmap(nic_data->mcdi_smem); fail1: kfree(efx->nic_data); return rc; @@ -404,8 +389,6 @@ static int siena_init_nic(struct efx_nic *efx) static void siena_remove_nic(struct efx_nic *efx) { - struct siena_nic_data *nic_data = efx->nic_data; - efx_nic_free_buffer(efx, &efx->irq_status); siena_reset_hw(efx, RESET_TYPE_ALL); @@ -415,8 +398,7 @@ static void siena_remove_nic(struct efx_nic *efx) efx_mcdi_drv_attach(efx, false, NULL); /* Tear down the private nic state */ - iounmap(nic_data->mcdi_smem); - kfree(nic_data); + kfree(efx->nic_data); efx->nic_data = NULL; } @@ -656,7 +638,8 @@ const struct efx_nic_type siena_a0_nic_type = { .default_mac_ops = &efx_mcdi_mac_operations, .revision = EFX_REV_SIENA_A0, - .mem_map_size = FR_CZ_MC_TREG_SMEM, /* MC_TREG_SMEM mapped separately */ + .mem_map_size = (FR_CZ_MC_TREG_SMEM + + FR_CZ_MC_TREG_SMEM_STEP * FR_CZ_MC_TREG_SMEM_ROWS), .txd_ptr_tbl_base = FR_BZ_TX_DESC_PTR_TBL, .rxd_ptr_tbl_base = FR_BZ_RX_DESC_PTR_TBL, .buf_tbl_base = FR_BZ_BUF_FULL_TBL, diff --git a/drivers/net/sfc/workarounds.h b/drivers/net/sfc/workarounds.h index 99ff11400cef..e4dd3a7f304b 100644 --- a/drivers/net/sfc/workarounds.h +++ b/drivers/net/sfc/workarounds.h @@ -38,8 +38,6 @@ #define EFX_WORKAROUND_15783 EFX_WORKAROUND_ALWAYS /* Legacy interrupt storm when interrupt fifo fills */ #define EFX_WORKAROUND_17213 EFX_WORKAROUND_SIENA -/* Write combining and sriov=enabled are incompatible */ -#define EFX_WORKAROUND_22643 EFX_WORKAROUND_SIENA /* Spurious parity errors in TSORT buffers */ #define EFX_WORKAROUND_5129 EFX_WORKAROUND_FALCON_A diff --git a/drivers/net/tg3.c b/drivers/net/tg3.c index dc3fbf61910b..4a1374df6084 100644 --- a/drivers/net/tg3.c +++ b/drivers/net/tg3.c @@ -6234,12 +6234,10 @@ static netdev_tx_t tg3_start_xmit(struct sk_buff *skb, struct net_device *dev) } } -#ifdef BCM_KERNEL_SUPPORTS_8021Q if (vlan_tx_tag_present(skb)) { base_flags |= TXD_FLAG_VLAN; vlan = vlan_tx_tag_get(skb); } -#endif if (tg3_flag(tp, USE_JUMBO_BDFLAG) && !mss && skb->len > VLAN_ETH_FRAME_LEN) diff --git a/drivers/net/usb/ipheth.c b/drivers/net/usb/ipheth.c index 15772b1b6a91..13c1f044b40d 100644 --- a/drivers/net/usb/ipheth.c +++ b/drivers/net/usb/ipheth.c @@ -59,6 +59,7 @@ #define USB_PRODUCT_IPHONE_3G 0x1292 #define USB_PRODUCT_IPHONE_3GS 0x1294 #define USB_PRODUCT_IPHONE_4 0x1297 +#define USB_PRODUCT_IPHONE_4_VZW 0x129c #define IPHETH_USBINTF_CLASS 255 #define IPHETH_USBINTF_SUBCLASS 253 @@ -98,6 +99,10 @@ static struct usb_device_id ipheth_table[] = { USB_VENDOR_APPLE, USB_PRODUCT_IPHONE_4, IPHETH_USBINTF_CLASS, IPHETH_USBINTF_SUBCLASS, IPHETH_USBINTF_PROTO) }, + { USB_DEVICE_AND_INTERFACE_INFO( + USB_VENDOR_APPLE, USB_PRODUCT_IPHONE_4_VZW, + IPHETH_USBINTF_CLASS, IPHETH_USBINTF_SUBCLASS, + IPHETH_USBINTF_PROTO) }, { } }; MODULE_DEVICE_TABLE(usb, ipheth_table); diff --git a/drivers/net/wireless/ath/ath9k/ar9002_calib.c b/drivers/net/wireless/ath/ath9k/ar9002_calib.c index 2d4c0910295b..2d394af82171 100644 --- a/drivers/net/wireless/ath/ath9k/ar9002_calib.c +++ b/drivers/net/wireless/ath/ath9k/ar9002_calib.c @@ -41,7 +41,8 @@ static bool ar9002_hw_is_cal_supported(struct ath_hw *ah, case ADC_DC_CAL: /* Run ADC Gain Cal for non-CCK & non 2GHz-HT20 only */ if (!IS_CHAN_B(chan) && - !(IS_CHAN_2GHZ(chan) && IS_CHAN_HT20(chan))) + !((IS_CHAN_2GHZ(chan) || IS_CHAN_A_FAST_CLOCK(ah, chan)) && + IS_CHAN_HT20(chan))) supported = true; break; } diff --git a/drivers/net/wireless/ath/ath9k/ar9003_phy.c b/drivers/net/wireless/ath/ath9k/ar9003_phy.c index 1baca8e4715d..fcafec0605f4 100644 --- a/drivers/net/wireless/ath/ath9k/ar9003_phy.c +++ b/drivers/net/wireless/ath/ath9k/ar9003_phy.c @@ -671,7 +671,7 @@ static int ar9003_hw_process_ini(struct ath_hw *ah, REG_WRITE_ARRAY(&ah->iniModesAdditional, modesIndex, regWrites); - if (AR_SREV_9300(ah)) + if (AR_SREV_9330(ah)) REG_WRITE_ARRAY(&ah->iniModesAdditional, 1, regWrites); if (AR_SREV_9340(ah) && !ah->is_clk_25mhz) diff --git a/drivers/net/wireless/ath/ath9k/main.c b/drivers/net/wireless/ath/ath9k/main.c index 6530694a59ae..722967b86cf1 100644 --- a/drivers/net/wireless/ath/ath9k/main.c +++ b/drivers/net/wireless/ath/ath9k/main.c @@ -2303,6 +2303,12 @@ static void ath9k_flush(struct ieee80211_hw *hw, bool drop) mutex_lock(&sc->mutex); cancel_delayed_work_sync(&sc->tx_complete_work); + if (ah->ah_flags & AH_UNPLUGGED) { + ath_dbg(common, ATH_DBG_ANY, "Device has been unplugged!\n"); + mutex_unlock(&sc->mutex); + return; + } + if (sc->sc_flags & SC_OP_INVALID) { ath_dbg(common, ATH_DBG_ANY, "Device not present\n"); mutex_unlock(&sc->mutex); diff --git a/drivers/net/wireless/b43/main.c b/drivers/net/wireless/b43/main.c index 26f1ab840cc7..e293a7921bf0 100644 --- a/drivers/net/wireless/b43/main.c +++ b/drivers/net/wireless/b43/main.c @@ -1632,7 +1632,8 @@ static void handle_irq_beacon(struct b43_wldev *dev) u32 cmd, beacon0_valid, beacon1_valid; if (!b43_is_mode(wl, NL80211_IFTYPE_AP) && - !b43_is_mode(wl, NL80211_IFTYPE_MESH_POINT)) + !b43_is_mode(wl, NL80211_IFTYPE_MESH_POINT) && + !b43_is_mode(wl, NL80211_IFTYPE_ADHOC)) return; /* This is the bottom half of the asynchronous beacon update. */ diff --git a/drivers/net/wireless/ipw2x00/ipw2100.c b/drivers/net/wireless/ipw2x00/ipw2100.c index 3774dd034746..ef9ad79d1bfd 100644 --- a/drivers/net/wireless/ipw2x00/ipw2100.c +++ b/drivers/net/wireless/ipw2x00/ipw2100.c @@ -1903,15 +1903,17 @@ static void ipw2100_down(struct ipw2100_priv *priv) static int ipw2100_net_init(struct net_device *dev) { struct ipw2100_priv *priv = libipw_priv(dev); + + return ipw2100_up(priv, 1); +} + +static int ipw2100_wdev_init(struct net_device *dev) +{ + struct ipw2100_priv *priv = libipw_priv(dev); const struct libipw_geo *geo = libipw_get_geo(priv->ieee); struct wireless_dev *wdev = &priv->ieee->wdev; - int ret; int i; - ret = ipw2100_up(priv, 1); - if (ret) - return ret; - memcpy(wdev->wiphy->perm_addr, priv->mac_addr, ETH_ALEN); /* fill-out priv->ieee->bg_band */ @@ -6350,9 +6352,13 @@ static int ipw2100_pci_init_one(struct pci_dev *pci_dev, "Error calling register_netdev.\n"); goto fail; } + registered = 1; + + err = ipw2100_wdev_init(dev); + if (err) + goto fail; mutex_lock(&priv->action_mutex); - registered = 1; IPW_DEBUG_INFO("%s: Bound to %s\n", dev->name, pci_name(pci_dev)); @@ -6389,7 +6395,8 @@ static int ipw2100_pci_init_one(struct pci_dev *pci_dev, fail_unlock: mutex_unlock(&priv->action_mutex); - + wiphy_unregister(priv->ieee->wdev.wiphy); + kfree(priv->ieee->bg_band.channels); fail: if (dev) { if (registered) diff --git a/drivers/net/wireless/ipw2x00/ipw2200.c b/drivers/net/wireless/ipw2x00/ipw2200.c index 87813c33bdc2..4ffebede5e03 100644 --- a/drivers/net/wireless/ipw2x00/ipw2200.c +++ b/drivers/net/wireless/ipw2x00/ipw2200.c @@ -11425,16 +11425,23 @@ static void ipw_bg_down(struct work_struct *work) /* Called by register_netdev() */ static int ipw_net_init(struct net_device *dev) { + int rc = 0; + struct ipw_priv *priv = libipw_priv(dev); + + mutex_lock(&priv->mutex); + if (ipw_up(priv)) + rc = -EIO; + mutex_unlock(&priv->mutex); + + return rc; +} + +static int ipw_wdev_init(struct net_device *dev) +{ int i, rc = 0; struct ipw_priv *priv = libipw_priv(dev); const struct libipw_geo *geo = libipw_get_geo(priv->ieee); struct wireless_dev *wdev = &priv->ieee->wdev; - mutex_lock(&priv->mutex); - - if (ipw_up(priv)) { - rc = -EIO; - goto out; - } memcpy(wdev->wiphy->perm_addr, priv->mac_addr, ETH_ALEN); @@ -11519,13 +11526,9 @@ static int ipw_net_init(struct net_device *dev) set_wiphy_dev(wdev->wiphy, &priv->pci_dev->dev); /* With that information in place, we can now register the wiphy... */ - if (wiphy_register(wdev->wiphy)) { + if (wiphy_register(wdev->wiphy)) rc = -EIO; - goto out; - } - out: - mutex_unlock(&priv->mutex); return rc; } @@ -11832,14 +11835,22 @@ static int __devinit ipw_pci_probe(struct pci_dev *pdev, goto out_remove_sysfs; } + err = ipw_wdev_init(net_dev); + if (err) { + IPW_ERROR("failed to register wireless device\n"); + goto out_unregister_netdev; + } + #ifdef CONFIG_IPW2200_PROMISCUOUS if (rtap_iface) { err = ipw_prom_alloc(priv); if (err) { IPW_ERROR("Failed to register promiscuous network " "device (error %d).\n", err); - unregister_netdev(priv->net_dev); - goto out_remove_sysfs; + wiphy_unregister(priv->ieee->wdev.wiphy); + kfree(priv->ieee->a_band.channels); + kfree(priv->ieee->bg_band.channels); + goto out_unregister_netdev; } } #endif @@ -11851,6 +11862,8 @@ static int __devinit ipw_pci_probe(struct pci_dev *pdev, return 0; + out_unregister_netdev: + unregister_netdev(priv->net_dev); out_remove_sysfs: sysfs_remove_group(&pdev->dev.kobj, &ipw_attribute_group); out_release_irq: diff --git a/drivers/net/wireless/iwlegacy/iwl-3945-rs.c b/drivers/net/wireless/iwlegacy/iwl-3945-rs.c index 977bd2477c6a..164bcae821f8 100644 --- a/drivers/net/wireless/iwlegacy/iwl-3945-rs.c +++ b/drivers/net/wireless/iwlegacy/iwl-3945-rs.c @@ -822,12 +822,15 @@ static void iwl3945_rs_get_rate(void *priv_r, struct ieee80211_sta *sta, out: - rs_sta->last_txrate_idx = index; - if (sband->band == IEEE80211_BAND_5GHZ) - info->control.rates[0].idx = rs_sta->last_txrate_idx - - IWL_FIRST_OFDM_RATE; - else + if (sband->band == IEEE80211_BAND_5GHZ) { + if (WARN_ON_ONCE(index < IWL_FIRST_OFDM_RATE)) + index = IWL_FIRST_OFDM_RATE; + rs_sta->last_txrate_idx = index; + info->control.rates[0].idx = index - IWL_FIRST_OFDM_RATE; + } else { + rs_sta->last_txrate_idx = index; info->control.rates[0].idx = rs_sta->last_txrate_idx; + } IWL_DEBUG_RATE(priv, "leave: %d\n", index); } diff --git a/drivers/net/wireless/iwlwifi/iwl-agn-ucode.c b/drivers/net/wireless/iwlwifi/iwl-agn-ucode.c index a895a099d086..56211006a182 100644 --- a/drivers/net/wireless/iwlwifi/iwl-agn-ucode.c +++ b/drivers/net/wireless/iwlwifi/iwl-agn-ucode.c @@ -167,7 +167,7 @@ static int iwlagn_set_temperature_offset_calib(struct iwl_priv *priv) memset(&cmd, 0, sizeof(cmd)); iwl_set_calib_hdr(&cmd.hdr, IWL_PHY_CALIBRATE_TEMP_OFFSET_CMD); - memcpy(&cmd.radio_sensor_offset, offset_calib, sizeof(offset_calib)); + memcpy(&cmd.radio_sensor_offset, offset_calib, sizeof(*offset_calib)); if (!(cmd.radio_sensor_offset)) cmd.radio_sensor_offset = DEFAULT_RADIO_SENSOR_OFFSET; diff --git a/drivers/net/wireless/iwlwifi/iwl-agn.c b/drivers/net/wireless/iwlwifi/iwl-agn.c index b0ae4de7f083..f9c3cd95d614 100644 --- a/drivers/net/wireless/iwlwifi/iwl-agn.c +++ b/drivers/net/wireless/iwlwifi/iwl-agn.c @@ -2140,7 +2140,12 @@ static int iwl_mac_setup_register(struct iwl_priv *priv, IEEE80211_HW_SPECTRUM_MGMT | IEEE80211_HW_REPORTS_TX_ACK_STATUS; + /* + * Including the following line will crash some AP's. This + * workaround removes the stimulus which causes the crash until + * the AP software can be fixed. hw->max_tx_aggregation_subframes = LINK_QUAL_AGG_FRAME_LIMIT_DEF; + */ hw->flags |= IEEE80211_HW_SUPPORTS_PS | IEEE80211_HW_SUPPORTS_DYNAMIC_PS; diff --git a/drivers/net/wireless/iwlwifi/iwl-trans-tx-pcie.c b/drivers/net/wireless/iwlwifi/iwl-trans-tx-pcie.c index a6b2b1db0b1d..222d410c586e 100644 --- a/drivers/net/wireless/iwlwifi/iwl-trans-tx-pcie.c +++ b/drivers/net/wireless/iwlwifi/iwl-trans-tx-pcie.c @@ -771,6 +771,8 @@ void iwl_tx_cmd_complete(struct iwl_priv *priv, struct iwl_rx_mem_buffer *rxb) cmd = txq->cmd[cmd_index]; meta = &txq->meta[cmd_index]; + txq->time_stamp = jiffies; + iwlagn_unmap_tfd(priv, meta, &txq->tfds[index], DMA_BIDIRECTIONAL); /* Input error checking is done when commands are added to queue. */ diff --git a/drivers/net/wireless/rt2x00/rt2800lib.c b/drivers/net/wireless/rt2x00/rt2800lib.c index ef67f6786a84..0019dfd8fb01 100644 --- a/drivers/net/wireless/rt2x00/rt2800lib.c +++ b/drivers/net/wireless/rt2x00/rt2800lib.c @@ -3697,14 +3697,15 @@ static void rt2800_efuse_read(struct rt2x00_dev *rt2x00dev, unsigned int i) rt2800_regbusy_read(rt2x00dev, EFUSE_CTRL, EFUSE_CTRL_KICK, ®); /* Apparently the data is read from end to start */ - rt2800_register_read_lock(rt2x00dev, EFUSE_DATA3, - (u32 *)&rt2x00dev->eeprom[i]); - rt2800_register_read_lock(rt2x00dev, EFUSE_DATA2, - (u32 *)&rt2x00dev->eeprom[i + 2]); - rt2800_register_read_lock(rt2x00dev, EFUSE_DATA1, - (u32 *)&rt2x00dev->eeprom[i + 4]); - rt2800_register_read_lock(rt2x00dev, EFUSE_DATA0, - (u32 *)&rt2x00dev->eeprom[i + 6]); + rt2800_register_read_lock(rt2x00dev, EFUSE_DATA3, ®); + /* The returned value is in CPU order, but eeprom is le */ + rt2x00dev->eeprom[i] = cpu_to_le32(reg); + rt2800_register_read_lock(rt2x00dev, EFUSE_DATA2, ®); + *(u32 *)&rt2x00dev->eeprom[i + 2] = cpu_to_le32(reg); + rt2800_register_read_lock(rt2x00dev, EFUSE_DATA1, ®); + *(u32 *)&rt2x00dev->eeprom[i + 4] = cpu_to_le32(reg); + rt2800_register_read_lock(rt2x00dev, EFUSE_DATA0, ®); + *(u32 *)&rt2x00dev->eeprom[i + 6] = cpu_to_le32(reg); mutex_unlock(&rt2x00dev->csr_mutex); } @@ -3870,19 +3871,23 @@ int rt2800_init_eeprom(struct rt2x00_dev *rt2x00dev) return -ENODEV; } - if (!rt2x00_rf(rt2x00dev, RF2820) && - !rt2x00_rf(rt2x00dev, RF2850) && - !rt2x00_rf(rt2x00dev, RF2720) && - !rt2x00_rf(rt2x00dev, RF2750) && - !rt2x00_rf(rt2x00dev, RF3020) && - !rt2x00_rf(rt2x00dev, RF2020) && - !rt2x00_rf(rt2x00dev, RF3021) && - !rt2x00_rf(rt2x00dev, RF3022) && - !rt2x00_rf(rt2x00dev, RF3052) && - !rt2x00_rf(rt2x00dev, RF3320) && - !rt2x00_rf(rt2x00dev, RF5370) && - !rt2x00_rf(rt2x00dev, RF5390)) { - ERROR(rt2x00dev, "Invalid RF chipset detected.\n"); + switch (rt2x00dev->chip.rf) { + case RF2820: + case RF2850: + case RF2720: + case RF2750: + case RF3020: + case RF2020: + case RF3021: + case RF3022: + case RF3052: + case RF3320: + case RF5370: + case RF5390: + break; + default: + ERROR(rt2x00dev, "Invalid RF chipset 0x%x detected.\n", + rt2x00dev->chip.rf); return -ENODEV; } diff --git a/drivers/net/wireless/rtlwifi/core.c b/drivers/net/wireless/rtlwifi/core.c index 1bdc1aa305c0..04c4e9eb6ee6 100644 --- a/drivers/net/wireless/rtlwifi/core.c +++ b/drivers/net/wireless/rtlwifi/core.c @@ -610,6 +610,11 @@ static void rtl_op_bss_info_changed(struct ieee80211_hw *hw, mac->link_state = MAC80211_NOLINK; memset(mac->bssid, 0, 6); + + /* reset sec info */ + rtl_cam_reset_sec_info(hw); + + rtl_cam_reset_all_entry(hw); mac->vendor = PEER_UNKNOWN; RT_TRACE(rtlpriv, COMP_MAC80211, DBG_DMESG, @@ -1063,6 +1068,9 @@ static int rtl_op_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd, *or clear all entry here. */ rtl_cam_delete_one_entry(hw, mac_addr, key_idx); + + rtl_cam_reset_sec_info(hw); + break; default: RT_TRACE(rtlpriv, COMP_ERR, DBG_EMERG, diff --git a/drivers/net/wireless/rtlwifi/rtl8192cu/trx.c b/drivers/net/wireless/rtlwifi/rtl8192cu/trx.c index 906e7aa55bc3..3e52a5496224 100644 --- a/drivers/net/wireless/rtlwifi/rtl8192cu/trx.c +++ b/drivers/net/wireless/rtlwifi/rtl8192cu/trx.c @@ -549,15 +549,16 @@ void rtl92cu_tx_fill_desc(struct ieee80211_hw *hw, (tcb_desc->rts_use_shortpreamble ? 1 : 0) : (tcb_desc->rts_use_shortgi ? 1 : 0))); if (mac->bw_40) { - if (tcb_desc->packet_bw) { + if (rate_flag & IEEE80211_TX_RC_DUP_DATA) { SET_TX_DESC_DATA_BW(txdesc, 1); SET_TX_DESC_DATA_SC(txdesc, 3); + } else if(rate_flag & IEEE80211_TX_RC_40_MHZ_WIDTH){ + SET_TX_DESC_DATA_BW(txdesc, 1); + SET_TX_DESC_DATA_SC(txdesc, mac->cur_40_prime_sc); } else { SET_TX_DESC_DATA_BW(txdesc, 0); - if (rate_flag & IEEE80211_TX_RC_DUP_DATA) - SET_TX_DESC_DATA_SC(txdesc, - mac->cur_40_prime_sc); - } + SET_TX_DESC_DATA_SC(txdesc, 0); + } } else { SET_TX_DESC_DATA_BW(txdesc, 0); SET_TX_DESC_DATA_SC(txdesc, 0); diff --git a/drivers/pci/probe.c b/drivers/pci/probe.c index b1187ff31d89..f3f94a5c068f 100644 --- a/drivers/pci/probe.c +++ b/drivers/pci/probe.c @@ -1351,7 +1351,8 @@ static int pcie_find_smpss(struct pci_dev *dev, void *data) * will occur as normal. */ if (dev->is_hotplug_bridge && (!list_is_singular(&dev->bus->devices) || - dev->bus->self->pcie_type != PCI_EXP_TYPE_ROOT_PORT)) + (dev->bus->self && + dev->bus->self->pcie_type != PCI_EXP_TYPE_ROOT_PORT))) *smpss = 0; if (*smpss > dev->pcie_mpss) diff --git a/drivers/rtc/rtc-imxdi.c b/drivers/rtc/rtc-imxdi.c index 2dd3c0163272..d93a9608b1f0 100644 --- a/drivers/rtc/rtc-imxdi.c +++ b/drivers/rtc/rtc-imxdi.c @@ -35,6 +35,7 @@ #include <linux/module.h> #include <linux/platform_device.h> #include <linux/rtc.h> +#include <linux/sched.h> #include <linux/workqueue.h> /* DryIce Register Definitions */ diff --git a/drivers/rtc/rtc-s3c.c b/drivers/rtc/rtc-s3c.c index 4e7c04e773e0..7639ab906f02 100644 --- a/drivers/rtc/rtc-s3c.c +++ b/drivers/rtc/rtc-s3c.c @@ -51,6 +51,27 @@ static enum s3c_cpu_type s3c_rtc_cpu_type; static DEFINE_SPINLOCK(s3c_rtc_pie_lock); +static void s3c_rtc_alarm_clk_enable(bool enable) +{ + static DEFINE_SPINLOCK(s3c_rtc_alarm_clk_lock); + static bool alarm_clk_enabled; + unsigned long irq_flags; + + spin_lock_irqsave(&s3c_rtc_alarm_clk_lock, irq_flags); + if (enable) { + if (!alarm_clk_enabled) { + clk_enable(rtc_clk); + alarm_clk_enabled = true; + } + } else { + if (alarm_clk_enabled) { + clk_disable(rtc_clk); + alarm_clk_enabled = false; + } + } + spin_unlock_irqrestore(&s3c_rtc_alarm_clk_lock, irq_flags); +} + /* IRQ Handlers */ static irqreturn_t s3c_rtc_alarmirq(int irq, void *id) @@ -64,6 +85,9 @@ static irqreturn_t s3c_rtc_alarmirq(int irq, void *id) writeb(S3C2410_INTP_ALM, s3c_rtc_base + S3C2410_INTP); clk_disable(rtc_clk); + + s3c_rtc_alarm_clk_enable(false); + return IRQ_HANDLED; } @@ -97,6 +121,8 @@ static int s3c_rtc_setaie(struct device *dev, unsigned int enabled) writeb(tmp, s3c_rtc_base + S3C2410_RTCALM); clk_disable(rtc_clk); + s3c_rtc_alarm_clk_enable(enabled); + return 0; } diff --git a/drivers/scsi/Kconfig b/drivers/scsi/Kconfig index 8d9dae89f065..3878b7395081 100644 --- a/drivers/scsi/Kconfig +++ b/drivers/scsi/Kconfig @@ -837,6 +837,7 @@ config SCSI_ISCI # (temporary): known alpha quality driver depends on EXPERIMENTAL select SCSI_SAS_LIBSAS + select SCSI_SAS_HOST_SMP ---help--- This driver supports the 6Gb/s SAS capabilities of the storage control unit found in the Intel(R) C600 series chipset. diff --git a/drivers/scsi/bnx2i/bnx2i_hwi.c b/drivers/scsi/bnx2i/bnx2i_hwi.c index 9ae80cd5953b..dba72a4e6a1c 100644 --- a/drivers/scsi/bnx2i/bnx2i_hwi.c +++ b/drivers/scsi/bnx2i/bnx2i_hwi.c @@ -563,7 +563,7 @@ int bnx2i_send_iscsi_nopout(struct bnx2i_conn *bnx2i_conn, nopout_wqe->itt = ((u16)task->itt | (ISCSI_TASK_TYPE_MPATH << ISCSI_TMF_REQUEST_TYPE_SHIFT)); - nopout_wqe->ttt = nopout_hdr->ttt; + nopout_wqe->ttt = be32_to_cpu(nopout_hdr->ttt); nopout_wqe->flags = 0; if (!unsol) nopout_wqe->flags = ISCSI_NOP_OUT_REQUEST_LOCAL_COMPLETION; diff --git a/drivers/scsi/fcoe/fcoe.c b/drivers/scsi/fcoe/fcoe.c index ba710e350ac5..5d0e9a24ae94 100644 --- a/drivers/scsi/fcoe/fcoe.c +++ b/drivers/scsi/fcoe/fcoe.c @@ -432,6 +432,8 @@ void fcoe_interface_cleanup(struct fcoe_interface *fcoe) u8 flogi_maddr[ETH_ALEN]; const struct net_device_ops *ops; + rtnl_lock(); + /* * Don't listen for Ethernet packets anymore. * synchronize_net() ensures that the packet handlers are not running @@ -461,6 +463,8 @@ void fcoe_interface_cleanup(struct fcoe_interface *fcoe) " specific feature for LLD.\n"); } + rtnl_unlock(); + /* Release the self-reference taken during fcoe_interface_create() */ fcoe_interface_put(fcoe); } @@ -1951,11 +1955,8 @@ static void fcoe_destroy_work(struct work_struct *work) fcoe_if_destroy(port->lport); /* Do not tear down the fcoe interface for NPIV port */ - if (!npiv) { - rtnl_lock(); + if (!npiv) fcoe_interface_cleanup(fcoe); - rtnl_unlock(); - } mutex_unlock(&fcoe_config_mutex); } @@ -2009,8 +2010,9 @@ static int fcoe_create(struct net_device *netdev, enum fip_state fip_mode) printk(KERN_ERR "fcoe: Failed to create interface (%s)\n", netdev->name); rc = -EIO; + rtnl_unlock(); fcoe_interface_cleanup(fcoe); - goto out_nodev; + goto out_nortnl; } /* Make this the "master" N_Port */ @@ -2027,6 +2029,7 @@ static int fcoe_create(struct net_device *netdev, enum fip_state fip_mode) out_nodev: rtnl_unlock(); +out_nortnl: mutex_unlock(&fcoe_config_mutex); return rc; } diff --git a/drivers/scsi/hpsa.c b/drivers/scsi/hpsa.c index ec61bdb833ac..b200b736b000 100644 --- a/drivers/scsi/hpsa.c +++ b/drivers/scsi/hpsa.c @@ -676,6 +676,16 @@ static void hpsa_scsi_replace_entry(struct ctlr_info *h, int hostno, BUG_ON(entry < 0 || entry >= HPSA_MAX_SCSI_DEVS_PER_HBA); removed[*nremoved] = h->dev[entry]; (*nremoved)++; + + /* + * New physical devices won't have target/lun assigned yet + * so we need to preserve the values in the slot we are replacing. + */ + if (new_entry->target == -1) { + new_entry->target = h->dev[entry]->target; + new_entry->lun = h->dev[entry]->lun; + } + h->dev[entry] = new_entry; added[*nadded] = new_entry; (*nadded)++; @@ -1548,10 +1558,17 @@ static inline void hpsa_set_bus_target_lun(struct hpsa_scsi_dev_t *device, } static int hpsa_update_device_info(struct ctlr_info *h, - unsigned char scsi3addr[], struct hpsa_scsi_dev_t *this_device) + unsigned char scsi3addr[], struct hpsa_scsi_dev_t *this_device, + unsigned char *is_OBDR_device) { -#define OBDR_TAPE_INQ_SIZE 49 + +#define OBDR_SIG_OFFSET 43 +#define OBDR_TAPE_SIG "$DR-10" +#define OBDR_SIG_LEN (sizeof(OBDR_TAPE_SIG) - 1) +#define OBDR_TAPE_INQ_SIZE (OBDR_SIG_OFFSET + OBDR_SIG_LEN) + unsigned char *inq_buff; + unsigned char *obdr_sig; inq_buff = kzalloc(OBDR_TAPE_INQ_SIZE, GFP_KERNEL); if (!inq_buff) @@ -1583,6 +1600,16 @@ static int hpsa_update_device_info(struct ctlr_info *h, else this_device->raid_level = RAID_UNKNOWN; + if (is_OBDR_device) { + /* See if this is a One-Button-Disaster-Recovery device + * by looking for "$DR-10" at offset 43 in inquiry data. + */ + obdr_sig = &inq_buff[OBDR_SIG_OFFSET]; + *is_OBDR_device = (this_device->devtype == TYPE_ROM && + strncmp(obdr_sig, OBDR_TAPE_SIG, + OBDR_SIG_LEN) == 0); + } + kfree(inq_buff); return 0; @@ -1716,7 +1743,7 @@ static int add_msa2xxx_enclosure_device(struct ctlr_info *h, return 0; } - if (hpsa_update_device_info(h, scsi3addr, this_device)) + if (hpsa_update_device_info(h, scsi3addr, this_device, NULL)) return 0; (*nmsa2xxx_enclosures)++; hpsa_set_bus_target_lun(this_device, bus, target, 0); @@ -1808,7 +1835,6 @@ static void hpsa_update_scsi_devices(struct ctlr_info *h, int hostno) */ struct ReportLUNdata *physdev_list = NULL; struct ReportLUNdata *logdev_list = NULL; - unsigned char *inq_buff = NULL; u32 nphysicals = 0; u32 nlogicals = 0; u32 ndev_allocated = 0; @@ -1824,11 +1850,9 @@ static void hpsa_update_scsi_devices(struct ctlr_info *h, int hostno) GFP_KERNEL); physdev_list = kzalloc(reportlunsize, GFP_KERNEL); logdev_list = kzalloc(reportlunsize, GFP_KERNEL); - inq_buff = kmalloc(OBDR_TAPE_INQ_SIZE, GFP_KERNEL); tmpdevice = kzalloc(sizeof(*tmpdevice), GFP_KERNEL); - if (!currentsd || !physdev_list || !logdev_list || - !inq_buff || !tmpdevice) { + if (!currentsd || !physdev_list || !logdev_list || !tmpdevice) { dev_err(&h->pdev->dev, "out of memory\n"); goto out; } @@ -1863,7 +1887,7 @@ static void hpsa_update_scsi_devices(struct ctlr_info *h, int hostno) /* adjust our table of devices */ nmsa2xxx_enclosures = 0; for (i = 0; i < nphysicals + nlogicals + 1; i++) { - u8 *lunaddrbytes; + u8 *lunaddrbytes, is_OBDR = 0; /* Figure out where the LUN ID info is coming from */ lunaddrbytes = figure_lunaddrbytes(h, raid_ctlr_position, @@ -1874,7 +1898,8 @@ static void hpsa_update_scsi_devices(struct ctlr_info *h, int hostno) continue; /* Get device type, vendor, model, device id */ - if (hpsa_update_device_info(h, lunaddrbytes, tmpdevice)) + if (hpsa_update_device_info(h, lunaddrbytes, tmpdevice, + &is_OBDR)) continue; /* skip it if we can't talk to it. */ figure_bus_target_lun(h, lunaddrbytes, &bus, &target, &lun, tmpdevice); @@ -1898,7 +1923,7 @@ static void hpsa_update_scsi_devices(struct ctlr_info *h, int hostno) hpsa_set_bus_target_lun(this_device, bus, target, lun); switch (this_device->devtype) { - case TYPE_ROM: { + case TYPE_ROM: /* We don't *really* support actual CD-ROM devices, * just "One Button Disaster Recovery" tape drive * which temporarily pretends to be a CD-ROM drive. @@ -1906,15 +1931,8 @@ static void hpsa_update_scsi_devices(struct ctlr_info *h, int hostno) * device by checking for "$DR-10" in bytes 43-48 of * the inquiry data. */ - char obdr_sig[7]; -#define OBDR_TAPE_SIG "$DR-10" - strncpy(obdr_sig, &inq_buff[43], 6); - obdr_sig[6] = '\0'; - if (strncmp(obdr_sig, OBDR_TAPE_SIG, 6) != 0) - /* Not OBDR device, ignore it. */ - break; - } - ncurrent++; + if (is_OBDR) + ncurrent++; break; case TYPE_DISK: if (i < nphysicals) @@ -1947,7 +1965,6 @@ out: for (i = 0; i < ndev_allocated; i++) kfree(currentsd[i]); kfree(currentsd); - kfree(inq_buff); kfree(physdev_list); kfree(logdev_list); } diff --git a/drivers/scsi/isci/host.c b/drivers/scsi/isci/host.c index 26072f1e9852..6981b773a88d 100644 --- a/drivers/scsi/isci/host.c +++ b/drivers/scsi/isci/host.c @@ -531,6 +531,9 @@ static void sci_controller_process_completions(struct isci_host *ihost) break; case SCU_COMPLETION_TYPE_EVENT: + sci_controller_event_completion(ihost, ent); + break; + case SCU_COMPLETION_TYPE_NOTIFY: { event_cycle ^= ((event_get+1) & SCU_MAX_EVENTS) << (SMU_COMPLETION_QUEUE_GET_EVENT_CYCLE_BIT_SHIFT - SCU_MAX_EVENTS_SHIFT); @@ -1091,6 +1094,7 @@ static void isci_host_completion_routine(unsigned long data) struct isci_request *request; struct isci_request *next_request; struct sas_task *task; + u16 active; INIT_LIST_HEAD(&completed_request_list); INIT_LIST_HEAD(&errored_request_list); @@ -1181,6 +1185,13 @@ static void isci_host_completion_routine(unsigned long data) } } + /* the coalesence timeout doubles at each encoding step, so + * update it based on the ilog2 value of the outstanding requests + */ + active = isci_tci_active(ihost); + writel(SMU_ICC_GEN_VAL(NUMBER, active) | + SMU_ICC_GEN_VAL(TIMER, ISCI_COALESCE_BASE + ilog2(active)), + &ihost->smu_registers->interrupt_coalesce_control); } /** @@ -1471,7 +1482,7 @@ static void sci_controller_ready_state_enter(struct sci_base_state_machine *sm) struct isci_host *ihost = container_of(sm, typeof(*ihost), sm); /* set the default interrupt coalescence number and timeout value. */ - sci_controller_set_interrupt_coalescence(ihost, 0x10, 250); + sci_controller_set_interrupt_coalescence(ihost, 0, 0); } static void sci_controller_ready_state_exit(struct sci_base_state_machine *sm) diff --git a/drivers/scsi/isci/host.h b/drivers/scsi/isci/host.h index 062101a39f79..9f33831a2f04 100644 --- a/drivers/scsi/isci/host.h +++ b/drivers/scsi/isci/host.h @@ -369,6 +369,9 @@ static inline struct isci_host *dev_to_ihost(struct domain_device *dev) #define ISCI_TAG_SEQ(tag) (((tag) >> 12) & (SCI_MAX_SEQ-1)) #define ISCI_TAG_TCI(tag) ((tag) & (SCI_MAX_IO_REQUESTS-1)) +/* interrupt coalescing baseline: 9 == 3 to 5us interrupt delay per command */ +#define ISCI_COALESCE_BASE 9 + /* expander attached sata devices require 3 rnc slots */ static inline int sci_remote_device_node_count(struct isci_remote_device *idev) { diff --git a/drivers/scsi/isci/init.c b/drivers/scsi/isci/init.c index 61e0d09e2b57..29aa34efb0f5 100644 --- a/drivers/scsi/isci/init.c +++ b/drivers/scsi/isci/init.c @@ -59,10 +59,19 @@ #include <linux/firmware.h> #include <linux/efi.h> #include <asm/string.h> +#include <scsi/scsi_host.h> #include "isci.h" #include "task.h" #include "probe_roms.h" +#define MAJ 1 +#define MIN 0 +#define BUILD 0 +#define DRV_VERSION __stringify(MAJ) "." __stringify(MIN) "." \ + __stringify(BUILD) + +MODULE_VERSION(DRV_VERSION); + static struct scsi_transport_template *isci_transport_template; static DEFINE_PCI_DEVICE_TABLE(isci_id_table) = { @@ -113,6 +122,22 @@ unsigned char max_concurr_spinup = 1; module_param(max_concurr_spinup, byte, 0); MODULE_PARM_DESC(max_concurr_spinup, "Max concurrent device spinup"); +static ssize_t isci_show_id(struct device *dev, struct device_attribute *attr, char *buf) +{ + struct Scsi_Host *shost = container_of(dev, typeof(*shost), shost_dev); + struct sas_ha_struct *sas_ha = SHOST_TO_SAS_HA(shost); + struct isci_host *ihost = container_of(sas_ha, typeof(*ihost), sas_ha); + + return snprintf(buf, PAGE_SIZE, "%d\n", ihost->id); +} + +static DEVICE_ATTR(isci_id, S_IRUGO, isci_show_id, NULL); + +struct device_attribute *isci_host_attrs[] = { + &dev_attr_isci_id, + NULL +}; + static struct scsi_host_template isci_sht = { .module = THIS_MODULE, @@ -138,6 +163,7 @@ static struct scsi_host_template isci_sht = { .slave_alloc = sas_slave_alloc, .target_destroy = sas_target_destroy, .ioctl = sas_ioctl, + .shost_attrs = isci_host_attrs, }; static struct sas_domain_function_template isci_transport_ops = { @@ -232,17 +258,6 @@ static int isci_register_sas_ha(struct isci_host *isci_host) return 0; } -static ssize_t isci_show_id(struct device *dev, struct device_attribute *attr, char *buf) -{ - struct Scsi_Host *shost = container_of(dev, typeof(*shost), shost_dev); - struct sas_ha_struct *sas_ha = SHOST_TO_SAS_HA(shost); - struct isci_host *ihost = container_of(sas_ha, typeof(*ihost), sas_ha); - - return snprintf(buf, PAGE_SIZE, "%d\n", ihost->id); -} - -static DEVICE_ATTR(isci_id, S_IRUGO, isci_show_id, NULL); - static void isci_unregister(struct isci_host *isci_host) { struct Scsi_Host *shost; @@ -251,7 +266,6 @@ static void isci_unregister(struct isci_host *isci_host) return; shost = isci_host->shost; - device_remove_file(&shost->shost_dev, &dev_attr_isci_id); sas_unregister_ha(&isci_host->sas_ha); @@ -415,14 +429,8 @@ static struct isci_host *isci_host_alloc(struct pci_dev *pdev, int id) if (err) goto err_shost_remove; - err = device_create_file(&shost->shost_dev, &dev_attr_isci_id); - if (err) - goto err_unregister_ha; - return isci_host; - err_unregister_ha: - sas_unregister_ha(&(isci_host->sas_ha)); err_shost_remove: scsi_remove_host(shost); err_shost: @@ -540,7 +548,8 @@ static __init int isci_init(void) { int err; - pr_info("%s: Intel(R) C600 SAS Controller Driver\n", DRV_NAME); + pr_info("%s: Intel(R) C600 SAS Controller Driver - version %s\n", + DRV_NAME, DRV_VERSION); isci_transport_template = sas_domain_attach_transport(&isci_transport_ops); if (!isci_transport_template) diff --git a/drivers/scsi/isci/phy.c b/drivers/scsi/isci/phy.c index 79313a7a2356..430fc8ff014a 100644 --- a/drivers/scsi/isci/phy.c +++ b/drivers/scsi/isci/phy.c @@ -104,6 +104,7 @@ sci_phy_link_layer_initialization(struct isci_phy *iphy, u32 parity_count = 0; u32 llctl, link_rate; u32 clksm_value = 0; + u32 sp_timeouts = 0; iphy->link_layer_registers = reg; @@ -211,6 +212,18 @@ sci_phy_link_layer_initialization(struct isci_phy *iphy, llctl |= SCU_SAS_LLCTL_GEN_VAL(MAX_LINK_RATE, link_rate); writel(llctl, &iphy->link_layer_registers->link_layer_control); + sp_timeouts = readl(&iphy->link_layer_registers->sas_phy_timeouts); + + /* Clear the default 0x36 (54us) RATE_CHANGE timeout value. */ + sp_timeouts &= ~SCU_SAS_PHYTOV_GEN_VAL(RATE_CHANGE, 0xFF); + + /* Set RATE_CHANGE timeout value to 0x3B (59us). This ensures SCU can + * lock with 3Gb drive when SCU max rate is set to 1.5Gb. + */ + sp_timeouts |= SCU_SAS_PHYTOV_GEN_VAL(RATE_CHANGE, 0x3B); + + writel(sp_timeouts, &iphy->link_layer_registers->sas_phy_timeouts); + if (is_a2(ihost->pdev)) { /* Program the max ARB time for the PHY to 700us so we inter-operate with * the PMC expander which shuts down PHYs if the expander PHY generates too diff --git a/drivers/scsi/isci/registers.h b/drivers/scsi/isci/registers.h index 9b266c7428e8..00afc738bbed 100644 --- a/drivers/scsi/isci/registers.h +++ b/drivers/scsi/isci/registers.h @@ -1299,6 +1299,18 @@ struct scu_transport_layer_registers { #define SCU_AFE_XCVRCR_OFFSET 0x00DC #define SCU_AFE_LUTCR_OFFSET 0x00E0 +#define SCU_SAS_PHY_TIMER_TIMEOUT_VALUES_ALIGN_DETECTION_SHIFT (0UL) +#define SCU_SAS_PHY_TIMER_TIMEOUT_VALUES_ALIGN_DETECTION_MASK (0x000000FFUL) +#define SCU_SAS_PHY_TIMER_TIMEOUT_VALUES_HOT_PLUG_SHIFT (8UL) +#define SCU_SAS_PHY_TIMER_TIMEOUT_VALUES_HOT_PLUG_MASK (0x0000FF00UL) +#define SCU_SAS_PHY_TIMER_TIMEOUT_VALUES_COMSAS_DETECTION_SHIFT (16UL) +#define SCU_SAS_PHY_TIMER_TIMEOUT_VALUES_COMSAS_DETECTION_MASK (0x00FF0000UL) +#define SCU_SAS_PHY_TIMER_TIMEOUT_VALUES_RATE_CHANGE_SHIFT (24UL) +#define SCU_SAS_PHY_TIMER_TIMEOUT_VALUES_RATE_CHANGE_MASK (0xFF000000UL) + +#define SCU_SAS_PHYTOV_GEN_VAL(name, value) \ + SCU_GEN_VALUE(SCU_SAS_PHY_TIMER_TIMEOUT_VALUES_##name, value) + #define SCU_SAS_LINK_LAYER_CONTROL_MAX_LINK_RATE_SHIFT (0) #define SCU_SAS_LINK_LAYER_CONTROL_MAX_LINK_RATE_MASK (0x00000003) #define SCU_SAS_LINK_LAYER_CONTROL_MAX_LINK_RATE_GEN1 (0) diff --git a/drivers/scsi/isci/request.c b/drivers/scsi/isci/request.c index a46e07ac789f..b5d3a8c4d329 100644 --- a/drivers/scsi/isci/request.c +++ b/drivers/scsi/isci/request.c @@ -732,12 +732,20 @@ sci_io_request_terminate(struct isci_request *ireq) sci_change_state(&ireq->sm, SCI_REQ_ABORTING); return SCI_SUCCESS; case SCI_REQ_TASK_WAIT_TC_RESP: + /* The task frame was already confirmed to have been + * sent by the SCU HW. Since the state machine is + * now only waiting for the task response itself, + * abort the request and complete it immediately + * and don't wait for the task response. + */ sci_change_state(&ireq->sm, SCI_REQ_ABORTING); sci_change_state(&ireq->sm, SCI_REQ_COMPLETED); return SCI_SUCCESS; case SCI_REQ_ABORTING: - sci_change_state(&ireq->sm, SCI_REQ_COMPLETED); - return SCI_SUCCESS; + /* If a request has a termination requested twice, return + * a failure indication, since HW confirmation of the first + * abort is still outstanding. + */ case SCI_REQ_COMPLETED: default: dev_warn(&ireq->owning_controller->pdev->dev, @@ -2399,22 +2407,19 @@ static void isci_task_save_for_upper_layer_completion( } } -static void isci_request_process_stp_response(struct sas_task *task, - void *response_buffer) +static void isci_process_stp_response(struct sas_task *task, struct dev_to_host_fis *fis) { - struct dev_to_host_fis *d2h_reg_fis = response_buffer; struct task_status_struct *ts = &task->task_status; struct ata_task_resp *resp = (void *)&ts->buf[0]; - resp->frame_len = le16_to_cpu(*(__le16 *)(response_buffer + 6)); - memcpy(&resp->ending_fis[0], response_buffer + 16, 24); + resp->frame_len = sizeof(*fis); + memcpy(resp->ending_fis, fis, sizeof(*fis)); ts->buf_valid_size = sizeof(*resp); - /** - * If the device fault bit is set in the status register, then + /* If the device fault bit is set in the status register, then * set the sense data and return. */ - if (d2h_reg_fis->status & ATA_DF) + if (fis->status & ATA_DF) ts->stat = SAS_PROTO_RESPONSE; else ts->stat = SAM_STAT_GOOD; @@ -2428,7 +2433,6 @@ static void isci_request_io_request_complete(struct isci_host *ihost, { struct sas_task *task = isci_request_access_task(request); struct ssp_response_iu *resp_iu; - void *resp_buf; unsigned long task_flags; struct isci_remote_device *idev = isci_lookup_device(task->dev); enum service_response response = SAS_TASK_UNDELIVERED; @@ -2565,9 +2569,7 @@ static void isci_request_io_request_complete(struct isci_host *ihost, task); if (sas_protocol_ata(task->task_proto)) { - resp_buf = &request->stp.rsp; - isci_request_process_stp_response(task, - resp_buf); + isci_process_stp_response(task, &request->stp.rsp); } else if (SAS_PROTOCOL_SSP == task->task_proto) { /* crack the iu response buffer. */ diff --git a/drivers/scsi/isci/unsolicited_frame_control.c b/drivers/scsi/isci/unsolicited_frame_control.c index e9e1e2abacb9..16f88ab939c8 100644 --- a/drivers/scsi/isci/unsolicited_frame_control.c +++ b/drivers/scsi/isci/unsolicited_frame_control.c @@ -72,7 +72,7 @@ int sci_unsolicited_frame_control_construct(struct isci_host *ihost) */ buf_len = SCU_MAX_UNSOLICITED_FRAMES * SCU_UNSOLICITED_FRAME_BUFFER_SIZE; header_len = SCU_MAX_UNSOLICITED_FRAMES * sizeof(struct scu_unsolicited_frame_header); - size = buf_len + header_len + SCU_MAX_UNSOLICITED_FRAMES * sizeof(dma_addr_t); + size = buf_len + header_len + SCU_MAX_UNSOLICITED_FRAMES * sizeof(uf_control->address_table.array[0]); /* * The Unsolicited Frame buffers are set at the start of the UF diff --git a/drivers/scsi/isci/unsolicited_frame_control.h b/drivers/scsi/isci/unsolicited_frame_control.h index 31cb9506f52d..75d896686f5a 100644 --- a/drivers/scsi/isci/unsolicited_frame_control.h +++ b/drivers/scsi/isci/unsolicited_frame_control.h @@ -214,7 +214,7 @@ struct sci_uf_address_table_array { * starting address of the UF address table. * 64-bit pointers are required by the hardware. */ - dma_addr_t *array; + u64 *array; /** * This field specifies the physical address location for the UF diff --git a/drivers/scsi/libfc/fc_exch.c b/drivers/scsi/libfc/fc_exch.c index 01ff082dc34c..d261e982a2fa 100644 --- a/drivers/scsi/libfc/fc_exch.c +++ b/drivers/scsi/libfc/fc_exch.c @@ -494,6 +494,9 @@ static int fc_seq_send(struct fc_lport *lport, struct fc_seq *sp, */ error = lport->tt.frame_send(lport, fp); + if (fh->fh_type == FC_TYPE_BLS) + return error; + /* * Update the exchange and sequence flags, * assuming all frames for the sequence have been sent. @@ -575,42 +578,35 @@ static void fc_seq_set_resp(struct fc_seq *sp, } /** - * fc_seq_exch_abort() - Abort an exchange and sequence - * @req_sp: The sequence to be aborted + * fc_exch_abort_locked() - Abort an exchange + * @ep: The exchange to be aborted * @timer_msec: The period of time to wait before aborting * - * Generally called because of a timeout or an abort from the upper layer. + * Locking notes: Called with exch lock held + * + * Return value: 0 on success else error code */ -static int fc_seq_exch_abort(const struct fc_seq *req_sp, - unsigned int timer_msec) +static int fc_exch_abort_locked(struct fc_exch *ep, + unsigned int timer_msec) { struct fc_seq *sp; - struct fc_exch *ep; struct fc_frame *fp; int error; - ep = fc_seq_exch(req_sp); - - spin_lock_bh(&ep->ex_lock); if (ep->esb_stat & (ESB_ST_COMPLETE | ESB_ST_ABNORMAL) || - ep->state & (FC_EX_DONE | FC_EX_RST_CLEANUP)) { - spin_unlock_bh(&ep->ex_lock); + ep->state & (FC_EX_DONE | FC_EX_RST_CLEANUP)) return -ENXIO; - } /* * Send the abort on a new sequence if possible. */ sp = fc_seq_start_next_locked(&ep->seq); - if (!sp) { - spin_unlock_bh(&ep->ex_lock); + if (!sp) return -ENOMEM; - } ep->esb_stat |= ESB_ST_SEQ_INIT | ESB_ST_ABNORMAL; if (timer_msec) fc_exch_timer_set_locked(ep, timer_msec); - spin_unlock_bh(&ep->ex_lock); /* * If not logged into the fabric, don't send ABTS but leave @@ -633,6 +629,28 @@ static int fc_seq_exch_abort(const struct fc_seq *req_sp, } /** + * fc_seq_exch_abort() - Abort an exchange and sequence + * @req_sp: The sequence to be aborted + * @timer_msec: The period of time to wait before aborting + * + * Generally called because of a timeout or an abort from the upper layer. + * + * Return value: 0 on success else error code + */ +static int fc_seq_exch_abort(const struct fc_seq *req_sp, + unsigned int timer_msec) +{ + struct fc_exch *ep; + int error; + + ep = fc_seq_exch(req_sp); + spin_lock_bh(&ep->ex_lock); + error = fc_exch_abort_locked(ep, timer_msec); + spin_unlock_bh(&ep->ex_lock); + return error; +} + +/** * fc_exch_timeout() - Handle exchange timer expiration * @work: The work_struct identifying the exchange that timed out */ @@ -1715,6 +1733,7 @@ static void fc_exch_reset(struct fc_exch *ep) int rc = 1; spin_lock_bh(&ep->ex_lock); + fc_exch_abort_locked(ep, 0); ep->state |= FC_EX_RST_CLEANUP; if (cancel_delayed_work(&ep->timeout_work)) atomic_dec(&ep->ex_refcnt); /* drop hold for timer */ @@ -1962,6 +1981,7 @@ static struct fc_seq *fc_exch_seq_send(struct fc_lport *lport, struct fc_exch *ep; struct fc_seq *sp = NULL; struct fc_frame_header *fh; + struct fc_fcp_pkt *fsp = NULL; int rc = 1; ep = fc_exch_alloc(lport, fp); @@ -1984,8 +2004,10 @@ static struct fc_seq *fc_exch_seq_send(struct fc_lport *lport, fc_exch_setup_hdr(ep, fp, ep->f_ctl); sp->cnt++; - if (ep->xid <= lport->lro_xid && fh->fh_r_ctl == FC_RCTL_DD_UNSOL_CMD) + if (ep->xid <= lport->lro_xid && fh->fh_r_ctl == FC_RCTL_DD_UNSOL_CMD) { + fsp = fr_fsp(fp); fc_fcp_ddp_setup(fr_fsp(fp), ep->xid); + } if (unlikely(lport->tt.frame_send(lport, fp))) goto err; @@ -1999,7 +2021,8 @@ static struct fc_seq *fc_exch_seq_send(struct fc_lport *lport, spin_unlock_bh(&ep->ex_lock); return sp; err: - fc_fcp_ddp_done(fr_fsp(fp)); + if (fsp) + fc_fcp_ddp_done(fsp); rc = fc_exch_done_locked(ep); spin_unlock_bh(&ep->ex_lock); if (!rc) diff --git a/drivers/scsi/libfc/fc_fcp.c b/drivers/scsi/libfc/fc_fcp.c index afb63c843144..4c41ee816f0b 100644 --- a/drivers/scsi/libfc/fc_fcp.c +++ b/drivers/scsi/libfc/fc_fcp.c @@ -2019,6 +2019,11 @@ int fc_eh_abort(struct scsi_cmnd *sc_cmd) struct fc_fcp_internal *si; int rc = FAILED; unsigned long flags; + int rval; + + rval = fc_block_scsi_eh(sc_cmd); + if (rval) + return rval; lport = shost_priv(sc_cmd->device->host); if (lport->state != LPORT_ST_READY) @@ -2068,9 +2073,9 @@ int fc_eh_device_reset(struct scsi_cmnd *sc_cmd) int rc = FAILED; int rval; - rval = fc_remote_port_chkready(rport); + rval = fc_block_scsi_eh(sc_cmd); if (rval) - goto out; + return rval; lport = shost_priv(sc_cmd->device->host); @@ -2116,6 +2121,8 @@ int fc_eh_host_reset(struct scsi_cmnd *sc_cmd) FC_SCSI_DBG(lport, "Resetting host\n"); + fc_block_scsi_eh(sc_cmd); + lport->tt.lport_reset(lport); wait_tmo = jiffies + FC_HOST_RESET_TIMEOUT; while (!fc_fcp_lport_queue_ready(lport) && time_before(jiffies, diff --git a/drivers/scsi/libfc/fc_lport.c b/drivers/scsi/libfc/fc_lport.c index e55ed9cf23fb..628f347404f9 100644 --- a/drivers/scsi/libfc/fc_lport.c +++ b/drivers/scsi/libfc/fc_lport.c @@ -88,6 +88,7 @@ */ #include <linux/timer.h> +#include <linux/delay.h> #include <linux/slab.h> #include <asm/unaligned.h> @@ -1029,8 +1030,16 @@ static void fc_lport_enter_reset(struct fc_lport *lport) FCH_EVT_LIPRESET, 0); fc_vports_linkchange(lport); fc_lport_reset_locked(lport); - if (lport->link_up) + if (lport->link_up) { + /* + * Wait upto resource allocation time out before + * doing re-login since incomplete FIP exchanged + * from last session may collide with exchanges + * in new session. + */ + msleep(lport->r_a_tov); fc_lport_enter_flogi(lport); + } } /** diff --git a/drivers/scsi/qla2xxx/qla_attr.c b/drivers/scsi/qla2xxx/qla_attr.c index 7836eb01c7fc..a31e05f3bfd4 100644 --- a/drivers/scsi/qla2xxx/qla_attr.c +++ b/drivers/scsi/qla2xxx/qla_attr.c @@ -1786,13 +1786,16 @@ qla24xx_vport_create(struct fc_vport *fc_vport, bool disable) fc_vport_set_state(fc_vport, FC_VPORT_LINKDOWN); } - if ((IS_QLA25XX(ha) || IS_QLA81XX(ha)) && ql2xenabledif) { + if (IS_T10_PI_CAPABLE(ha) && ql2xenabledif) { if (ha->fw_attributes & BIT_4) { + int prot = 0; vha->flags.difdix_supported = 1; ql_dbg(ql_dbg_user, vha, 0x7082, "Registered for DIF/DIX type 1 and 3 protection.\n"); + if (ql2xenabledif == 1) + prot = SHOST_DIX_TYPE0_PROTECTION; scsi_host_set_prot(vha->host, - SHOST_DIF_TYPE1_PROTECTION + prot | SHOST_DIF_TYPE1_PROTECTION | SHOST_DIF_TYPE2_PROTECTION | SHOST_DIF_TYPE3_PROTECTION | SHOST_DIX_TYPE1_PROTECTION diff --git a/drivers/scsi/qla2xxx/qla_dbg.c b/drivers/scsi/qla2xxx/qla_dbg.c index 2155071f3100..d79cd8a5f831 100644 --- a/drivers/scsi/qla2xxx/qla_dbg.c +++ b/drivers/scsi/qla2xxx/qla_dbg.c @@ -8,24 +8,24 @@ /* * Table for showing the current message id in use for particular level * Change this table for addition of log/debug messages. - * ----------------------------------------------------- - * | Level | Last Value Used | - * ----------------------------------------------------- - * | Module Init and Probe | 0x0116 | - * | Mailbox commands | 0x111e | - * | Device Discovery | 0x2083 | - * | Queue Command and IO tracing | 0x302e | - * | DPC Thread | 0x401c | - * | Async Events | 0x5059 | - * | Timer Routines | 0x600d | - * | User Space Interactions | 0x709c | - * | Task Management | 0x8043 | - * | AER/EEH | 0x900f | - * | Virtual Port | 0xa007 | - * | ISP82XX Specific | 0xb027 | - * | MultiQ | 0xc00b | - * | Misc | 0xd00b | - * ----------------------------------------------------- + * ---------------------------------------------------------------------- + * | Level | Last Value Used | Holes | + * ---------------------------------------------------------------------- + * | Module Init and Probe | 0x0116 | | + * | Mailbox commands | 0x1126 | | + * | Device Discovery | 0x2083 | | + * | Queue Command and IO tracing | 0x302e | 0x3008 | + * | DPC Thread | 0x401c | | + * | Async Events | 0x5059 | | + * | Timer Routines | 0x600d | | + * | User Space Interactions | 0x709d | | + * | Task Management | 0x8041 | | + * | AER/EEH | 0x900f | | + * | Virtual Port | 0xa007 | | + * | ISP82XX Specific | 0xb04f | | + * | MultiQ | 0xc00b | | + * | Misc | 0xd00b | | + * ---------------------------------------------------------------------- */ #include "qla_def.h" diff --git a/drivers/scsi/qla2xxx/qla_def.h b/drivers/scsi/qla2xxx/qla_def.h index cc5a79259d33..a03eaf40f377 100644 --- a/drivers/scsi/qla2xxx/qla_def.h +++ b/drivers/scsi/qla2xxx/qla_def.h @@ -2529,6 +2529,7 @@ struct qla_hw_data { #define DT_ISP8021 BIT_14 #define DT_ISP_LAST (DT_ISP8021 << 1) +#define DT_T10_PI BIT_25 #define DT_IIDMA BIT_26 #define DT_FWI2 BIT_27 #define DT_ZIO_SUPPORTED BIT_28 @@ -2572,6 +2573,7 @@ struct qla_hw_data { #define IS_NOCACHE_VPD_TYPE(ha) (IS_QLA81XX(ha)) #define IS_ALOGIO_CAPABLE(ha) (IS_QLA23XX(ha) || IS_FWI2_CAPABLE(ha)) +#define IS_T10_PI_CAPABLE(ha) ((ha)->device_type & DT_T10_PI) #define IS_IIDMA_CAPABLE(ha) ((ha)->device_type & DT_IIDMA) #define IS_FWI2_CAPABLE(ha) ((ha)->device_type & DT_FWI2) #define IS_ZIO_SUPPORTED(ha) ((ha)->device_type & DT_ZIO_SUPPORTED) diff --git a/drivers/scsi/qla2xxx/qla_fw.h b/drivers/scsi/qla2xxx/qla_fw.h index 691783abfb69..aa69486dc064 100644 --- a/drivers/scsi/qla2xxx/qla_fw.h +++ b/drivers/scsi/qla2xxx/qla_fw.h @@ -537,6 +537,11 @@ struct sts_entry_24xx { /* * If DIF Error is set in comp_status, these additional fields are * defined: + * + * !!! NOTE: Firmware sends expected/actual DIF data in big endian + * format; but all of the "data" field gets swab32-d in the beginning + * of qla2x00_status_entry(). + * * &data[10] : uint8_t report_runt_bg[2]; - computed guard * &data[12] : uint8_t actual_dif[8]; - DIF Data received * &data[20] : uint8_t expected_dif[8]; - DIF Data computed diff --git a/drivers/scsi/qla2xxx/qla_init.c b/drivers/scsi/qla2xxx/qla_init.c index def694271bf7..37da04d3db26 100644 --- a/drivers/scsi/qla2xxx/qla_init.c +++ b/drivers/scsi/qla2xxx/qla_init.c @@ -3838,15 +3838,12 @@ qla2x00_loop_resync(scsi_qla_host_t *vha) req = vha->req; rsp = req->rsp; - atomic_set(&vha->loop_state, LOOP_UPDATE); clear_bit(ISP_ABORT_RETRY, &vha->dpc_flags); if (vha->flags.online) { if (!(rval = qla2x00_fw_ready(vha))) { /* Wait at most MAX_TARGET RSCNs for a stable link. */ wait_time = 256; do { - atomic_set(&vha->loop_state, LOOP_UPDATE); - /* Issue a marker after FW becomes ready. */ qla2x00_marker(vha, req, rsp, 0, 0, MK_SYNC_ALL); diff --git a/drivers/scsi/qla2xxx/qla_inline.h b/drivers/scsi/qla2xxx/qla_inline.h index d2e904bc21c0..9902834e0b74 100644 --- a/drivers/scsi/qla2xxx/qla_inline.h +++ b/drivers/scsi/qla2xxx/qla_inline.h @@ -102,3 +102,32 @@ qla2x00_set_fcport_state(fc_port_t *fcport, int state) fcport->d_id.b.al_pa); } } + +static inline int +qla2x00_hba_err_chk_enabled(srb_t *sp) +{ + /* + * Uncomment when corresponding SCSI changes are done. + * + if (!sp->cmd->prot_chk) + return 0; + * + */ + + switch (scsi_get_prot_op(sp->cmd)) { + case SCSI_PROT_READ_STRIP: + case SCSI_PROT_WRITE_INSERT: + if (ql2xenablehba_err_chk >= 1) + return 1; + break; + case SCSI_PROT_READ_PASS: + case SCSI_PROT_WRITE_PASS: + if (ql2xenablehba_err_chk >= 2) + return 1; + break; + case SCSI_PROT_READ_INSERT: + case SCSI_PROT_WRITE_STRIP: + return 1; + } + return 0; +} diff --git a/drivers/scsi/qla2xxx/qla_iocb.c b/drivers/scsi/qla2xxx/qla_iocb.c index 49d6906af886..dbec89622a0f 100644 --- a/drivers/scsi/qla2xxx/qla_iocb.c +++ b/drivers/scsi/qla2xxx/qla_iocb.c @@ -709,20 +709,28 @@ struct fw_dif_context { * */ static inline void -qla24xx_set_t10dif_tags(struct scsi_cmnd *cmd, struct fw_dif_context *pkt, +qla24xx_set_t10dif_tags(srb_t *sp, struct fw_dif_context *pkt, unsigned int protcnt) { - struct sd_dif_tuple *spt; + struct scsi_cmnd *cmd = sp->cmd; scsi_qla_host_t *vha = shost_priv(cmd->device->host); - unsigned char op = scsi_get_prot_op(cmd); switch (scsi_get_prot_type(cmd)) { - /* For TYPE 0 protection: no checking */ case SCSI_PROT_DIF_TYPE0: - pkt->ref_tag_mask[0] = 0x00; - pkt->ref_tag_mask[1] = 0x00; - pkt->ref_tag_mask[2] = 0x00; - pkt->ref_tag_mask[3] = 0x00; + /* + * No check for ql2xenablehba_err_chk, as it would be an + * I/O error if hba tag generation is not done. + */ + pkt->ref_tag = cpu_to_le32((uint32_t) + (0xffffffff & scsi_get_lba(cmd))); + + if (!qla2x00_hba_err_chk_enabled(sp)) + break; + + pkt->ref_tag_mask[0] = 0xff; + pkt->ref_tag_mask[1] = 0xff; + pkt->ref_tag_mask[2] = 0xff; + pkt->ref_tag_mask[3] = 0xff; break; /* @@ -730,20 +738,16 @@ qla24xx_set_t10dif_tags(struct scsi_cmnd *cmd, struct fw_dif_context *pkt, * match LBA in CDB + N */ case SCSI_PROT_DIF_TYPE2: - if (!ql2xenablehba_err_chk) - break; - - if (scsi_prot_sg_count(cmd)) { - spt = page_address(sg_page(scsi_prot_sglist(cmd))) + - scsi_prot_sglist(cmd)[0].offset; - pkt->app_tag = swab32(spt->app_tag); - pkt->app_tag_mask[0] = 0xff; - pkt->app_tag_mask[1] = 0xff; - } + pkt->app_tag = __constant_cpu_to_le16(0); + pkt->app_tag_mask[0] = 0x0; + pkt->app_tag_mask[1] = 0x0; pkt->ref_tag = cpu_to_le32((uint32_t) (0xffffffff & scsi_get_lba(cmd))); + if (!qla2x00_hba_err_chk_enabled(sp)) + break; + /* enable ALL bytes of the ref tag */ pkt->ref_tag_mask[0] = 0xff; pkt->ref_tag_mask[1] = 0xff; @@ -763,26 +767,15 @@ qla24xx_set_t10dif_tags(struct scsi_cmnd *cmd, struct fw_dif_context *pkt, * 16 bit app tag. */ case SCSI_PROT_DIF_TYPE1: - if (!ql2xenablehba_err_chk) + pkt->ref_tag = cpu_to_le32((uint32_t) + (0xffffffff & scsi_get_lba(cmd))); + pkt->app_tag = __constant_cpu_to_le16(0); + pkt->app_tag_mask[0] = 0x0; + pkt->app_tag_mask[1] = 0x0; + + if (!qla2x00_hba_err_chk_enabled(sp)) break; - if (protcnt && (op == SCSI_PROT_WRITE_STRIP || - op == SCSI_PROT_WRITE_PASS)) { - spt = page_address(sg_page(scsi_prot_sglist(cmd))) + - scsi_prot_sglist(cmd)[0].offset; - ql_dbg(ql_dbg_io, vha, 0x3008, - "LBA from user %p, lba = 0x%x for cmd=%p.\n", - spt, (int)spt->ref_tag, cmd); - pkt->ref_tag = swab32(spt->ref_tag); - pkt->app_tag_mask[0] = 0x0; - pkt->app_tag_mask[1] = 0x0; - } else { - pkt->ref_tag = cpu_to_le32((uint32_t) - (0xffffffff & scsi_get_lba(cmd))); - pkt->app_tag = __constant_cpu_to_le16(0); - pkt->app_tag_mask[0] = 0x0; - pkt->app_tag_mask[1] = 0x0; - } /* enable ALL bytes of the ref tag */ pkt->ref_tag_mask[0] = 0xff; pkt->ref_tag_mask[1] = 0xff; @@ -798,8 +791,162 @@ qla24xx_set_t10dif_tags(struct scsi_cmnd *cmd, struct fw_dif_context *pkt, scsi_get_prot_type(cmd), cmd); } +struct qla2_sgx { + dma_addr_t dma_addr; /* OUT */ + uint32_t dma_len; /* OUT */ + + uint32_t tot_bytes; /* IN */ + struct scatterlist *cur_sg; /* IN */ + + /* for book keeping, bzero on initial invocation */ + uint32_t bytes_consumed; + uint32_t num_bytes; + uint32_t tot_partial; + + /* for debugging */ + uint32_t num_sg; + srb_t *sp; +}; static int +qla24xx_get_one_block_sg(uint32_t blk_sz, struct qla2_sgx *sgx, + uint32_t *partial) +{ + struct scatterlist *sg; + uint32_t cumulative_partial, sg_len; + dma_addr_t sg_dma_addr; + + if (sgx->num_bytes == sgx->tot_bytes) + return 0; + + sg = sgx->cur_sg; + cumulative_partial = sgx->tot_partial; + + sg_dma_addr = sg_dma_address(sg); + sg_len = sg_dma_len(sg); + + sgx->dma_addr = sg_dma_addr + sgx->bytes_consumed; + + if ((cumulative_partial + (sg_len - sgx->bytes_consumed)) >= blk_sz) { + sgx->dma_len = (blk_sz - cumulative_partial); + sgx->tot_partial = 0; + sgx->num_bytes += blk_sz; + *partial = 0; + } else { + sgx->dma_len = sg_len - sgx->bytes_consumed; + sgx->tot_partial += sgx->dma_len; + *partial = 1; + } + + sgx->bytes_consumed += sgx->dma_len; + + if (sg_len == sgx->bytes_consumed) { + sg = sg_next(sg); + sgx->num_sg++; + sgx->cur_sg = sg; + sgx->bytes_consumed = 0; + } + + return 1; +} + +static int +qla24xx_walk_and_build_sglist_no_difb(struct qla_hw_data *ha, srb_t *sp, + uint32_t *dsd, uint16_t tot_dsds) +{ + void *next_dsd; + uint8_t avail_dsds = 0; + uint32_t dsd_list_len; + struct dsd_dma *dsd_ptr; + struct scatterlist *sg_prot; + uint32_t *cur_dsd = dsd; + uint16_t used_dsds = tot_dsds; + + uint32_t prot_int; + uint32_t partial; + struct qla2_sgx sgx; + dma_addr_t sle_dma; + uint32_t sle_dma_len, tot_prot_dma_len = 0; + struct scsi_cmnd *cmd = sp->cmd; + + prot_int = cmd->device->sector_size; + + memset(&sgx, 0, sizeof(struct qla2_sgx)); + sgx.tot_bytes = scsi_bufflen(sp->cmd); + sgx.cur_sg = scsi_sglist(sp->cmd); + sgx.sp = sp; + + sg_prot = scsi_prot_sglist(sp->cmd); + + while (qla24xx_get_one_block_sg(prot_int, &sgx, &partial)) { + + sle_dma = sgx.dma_addr; + sle_dma_len = sgx.dma_len; +alloc_and_fill: + /* Allocate additional continuation packets? */ + if (avail_dsds == 0) { + avail_dsds = (used_dsds > QLA_DSDS_PER_IOCB) ? + QLA_DSDS_PER_IOCB : used_dsds; + dsd_list_len = (avail_dsds + 1) * 12; + used_dsds -= avail_dsds; + + /* allocate tracking DS */ + dsd_ptr = kzalloc(sizeof(struct dsd_dma), GFP_ATOMIC); + if (!dsd_ptr) + return 1; + + /* allocate new list */ + dsd_ptr->dsd_addr = next_dsd = + dma_pool_alloc(ha->dl_dma_pool, GFP_ATOMIC, + &dsd_ptr->dsd_list_dma); + + if (!next_dsd) { + /* + * Need to cleanup only this dsd_ptr, rest + * will be done by sp_free_dma() + */ + kfree(dsd_ptr); + return 1; + } + + list_add_tail(&dsd_ptr->list, + &((struct crc_context *)sp->ctx)->dsd_list); + + sp->flags |= SRB_CRC_CTX_DSD_VALID; + + /* add new list to cmd iocb or last list */ + *cur_dsd++ = cpu_to_le32(LSD(dsd_ptr->dsd_list_dma)); + *cur_dsd++ = cpu_to_le32(MSD(dsd_ptr->dsd_list_dma)); + *cur_dsd++ = dsd_list_len; + cur_dsd = (uint32_t *)next_dsd; + } + *cur_dsd++ = cpu_to_le32(LSD(sle_dma)); + *cur_dsd++ = cpu_to_le32(MSD(sle_dma)); + *cur_dsd++ = cpu_to_le32(sle_dma_len); + avail_dsds--; + + if (partial == 0) { + /* Got a full protection interval */ + sle_dma = sg_dma_address(sg_prot) + tot_prot_dma_len; + sle_dma_len = 8; + + tot_prot_dma_len += sle_dma_len; + if (tot_prot_dma_len == sg_dma_len(sg_prot)) { + tot_prot_dma_len = 0; + sg_prot = sg_next(sg_prot); + } + + partial = 1; /* So as to not re-enter this block */ + goto alloc_and_fill; + } + } + /* Null termination */ + *cur_dsd++ = 0; + *cur_dsd++ = 0; + *cur_dsd++ = 0; + return 0; +} +static int qla24xx_walk_and_build_sglist(struct qla_hw_data *ha, srb_t *sp, uint32_t *dsd, uint16_t tot_dsds) { @@ -981,7 +1128,7 @@ qla24xx_build_scsi_crc_2_iocbs(srb_t *sp, struct cmd_type_crc_2 *cmd_pkt, struct scsi_cmnd *cmd; struct scatterlist *cur_seg; int sgc; - uint32_t total_bytes; + uint32_t total_bytes = 0; uint32_t data_bytes; uint32_t dif_bytes; uint8_t bundling = 1; @@ -1023,8 +1170,10 @@ qla24xx_build_scsi_crc_2_iocbs(srb_t *sp, struct cmd_type_crc_2 *cmd_pkt, __constant_cpu_to_le16(CF_READ_DATA); } - tot_prot_dsds = scsi_prot_sg_count(cmd); - if (!tot_prot_dsds) + if ((scsi_get_prot_op(sp->cmd) == SCSI_PROT_READ_INSERT) || + (scsi_get_prot_op(sp->cmd) == SCSI_PROT_WRITE_STRIP) || + (scsi_get_prot_op(sp->cmd) == SCSI_PROT_READ_STRIP) || + (scsi_get_prot_op(sp->cmd) == SCSI_PROT_WRITE_INSERT)) bundling = 0; /* Allocate CRC context from global pool */ @@ -1047,7 +1196,7 @@ qla24xx_build_scsi_crc_2_iocbs(srb_t *sp, struct cmd_type_crc_2 *cmd_pkt, INIT_LIST_HEAD(&crc_ctx_pkt->dsd_list); - qla24xx_set_t10dif_tags(cmd, (struct fw_dif_context *) + qla24xx_set_t10dif_tags(sp, (struct fw_dif_context *) &crc_ctx_pkt->ref_tag, tot_prot_dsds); cmd_pkt->crc_context_address[0] = cpu_to_le32(LSD(crc_ctx_dma)); @@ -1076,7 +1225,6 @@ qla24xx_build_scsi_crc_2_iocbs(srb_t *sp, struct cmd_type_crc_2 *cmd_pkt, fcp_cmnd->additional_cdb_len |= 2; int_to_scsilun(sp->cmd->device->lun, &fcp_cmnd->lun); - host_to_fcp_swap((uint8_t *)&fcp_cmnd->lun, sizeof(fcp_cmnd->lun)); memcpy(fcp_cmnd->cdb, cmd->cmnd, cmd->cmd_len); cmd_pkt->fcp_cmnd_dseg_len = cpu_to_le16(fcp_cmnd_len); cmd_pkt->fcp_cmnd_dseg_address[0] = cpu_to_le32( @@ -1107,15 +1255,28 @@ qla24xx_build_scsi_crc_2_iocbs(srb_t *sp, struct cmd_type_crc_2 *cmd_pkt, cmd_pkt->fcp_rsp_dseg_len = 0; /* Let response come in status iocb */ /* Compute dif len and adjust data len to incude protection */ - total_bytes = data_bytes; dif_bytes = 0; blk_size = cmd->device->sector_size; - if (scsi_get_prot_op(cmd) != SCSI_PROT_NORMAL) { - dif_bytes = (data_bytes / blk_size) * 8; - total_bytes += dif_bytes; + dif_bytes = (data_bytes / blk_size) * 8; + + switch (scsi_get_prot_op(sp->cmd)) { + case SCSI_PROT_READ_INSERT: + case SCSI_PROT_WRITE_STRIP: + total_bytes = data_bytes; + data_bytes += dif_bytes; + break; + + case SCSI_PROT_READ_STRIP: + case SCSI_PROT_WRITE_INSERT: + case SCSI_PROT_READ_PASS: + case SCSI_PROT_WRITE_PASS: + total_bytes = data_bytes + dif_bytes; + break; + default: + BUG(); } - if (!ql2xenablehba_err_chk) + if (!qla2x00_hba_err_chk_enabled(sp)) fw_prot_opts |= 0x10; /* Disable Guard tag checking */ if (!bundling) { @@ -1151,7 +1312,12 @@ qla24xx_build_scsi_crc_2_iocbs(srb_t *sp, struct cmd_type_crc_2 *cmd_pkt, cmd_pkt->control_flags |= __constant_cpu_to_le16(CF_DATA_SEG_DESCR_ENABLE); - if (qla24xx_walk_and_build_sglist(ha, sp, cur_dsd, + + if (!bundling && tot_prot_dsds) { + if (qla24xx_walk_and_build_sglist_no_difb(ha, sp, + cur_dsd, tot_dsds)) + goto crc_queuing_error; + } else if (qla24xx_walk_and_build_sglist(ha, sp, cur_dsd, (tot_dsds - tot_prot_dsds))) goto crc_queuing_error; @@ -1414,6 +1580,22 @@ qla24xx_dif_start_scsi(srb_t *sp) goto queuing_error; else sp->flags |= SRB_DMA_VALID; + + if ((scsi_get_prot_op(cmd) == SCSI_PROT_READ_INSERT) || + (scsi_get_prot_op(cmd) == SCSI_PROT_WRITE_STRIP)) { + struct qla2_sgx sgx; + uint32_t partial; + + memset(&sgx, 0, sizeof(struct qla2_sgx)); + sgx.tot_bytes = scsi_bufflen(cmd); + sgx.cur_sg = scsi_sglist(cmd); + sgx.sp = sp; + + nseg = 0; + while (qla24xx_get_one_block_sg( + cmd->device->sector_size, &sgx, &partial)) + nseg++; + } } else nseg = 0; @@ -1428,6 +1610,11 @@ qla24xx_dif_start_scsi(srb_t *sp) goto queuing_error; else sp->flags |= SRB_CRC_PROT_DMA_VALID; + + if ((scsi_get_prot_op(cmd) == SCSI_PROT_READ_INSERT) || + (scsi_get_prot_op(cmd) == SCSI_PROT_WRITE_STRIP)) { + nseg = scsi_bufflen(cmd) / cmd->device->sector_size; + } } else { nseg = 0; } @@ -1454,6 +1641,7 @@ qla24xx_dif_start_scsi(srb_t *sp) /* Build header part of command packet (excluding the OPCODE). */ req->current_outstanding_cmd = handle; req->outstanding_cmds[handle] = sp; + sp->handle = handle; sp->cmd->host_scribble = (unsigned char *)(unsigned long)handle; req->cnt -= req_cnt; diff --git a/drivers/scsi/qla2xxx/qla_isr.c b/drivers/scsi/qla2xxx/qla_isr.c index b16b7725dee0..8a7591f035e6 100644 --- a/drivers/scsi/qla2xxx/qla_isr.c +++ b/drivers/scsi/qla2xxx/qla_isr.c @@ -719,7 +719,6 @@ skip_rio: vha->flags.rscn_queue_overflow = 1; } - atomic_set(&vha->loop_state, LOOP_UPDATE); atomic_set(&vha->loop_down_timer, 0); vha->flags.management_server_logged_in = 0; @@ -1435,25 +1434,27 @@ struct scsi_dif_tuple { * ASC/ASCQ fields in the sense buffer with ILLEGAL_REQUEST * to indicate to the kernel that the HBA detected error. */ -static inline void +static inline int qla2x00_handle_dif_error(srb_t *sp, struct sts_entry_24xx *sts24) { struct scsi_qla_host *vha = sp->fcport->vha; struct scsi_cmnd *cmd = sp->cmd; - struct scsi_dif_tuple *ep = - (struct scsi_dif_tuple *)&sts24->data[20]; - struct scsi_dif_tuple *ap = - (struct scsi_dif_tuple *)&sts24->data[12]; + uint8_t *ap = &sts24->data[12]; + uint8_t *ep = &sts24->data[20]; uint32_t e_ref_tag, a_ref_tag; uint16_t e_app_tag, a_app_tag; uint16_t e_guard, a_guard; - e_ref_tag = be32_to_cpu(ep->ref_tag); - a_ref_tag = be32_to_cpu(ap->ref_tag); - e_app_tag = be16_to_cpu(ep->app_tag); - a_app_tag = be16_to_cpu(ap->app_tag); - e_guard = be16_to_cpu(ep->guard); - a_guard = be16_to_cpu(ap->guard); + /* + * swab32 of the "data" field in the beginning of qla2x00_status_entry() + * would make guard field appear at offset 2 + */ + a_guard = le16_to_cpu(*(uint16_t *)(ap + 2)); + a_app_tag = le16_to_cpu(*(uint16_t *)(ap + 0)); + a_ref_tag = le32_to_cpu(*(uint32_t *)(ap + 4)); + e_guard = le16_to_cpu(*(uint16_t *)(ep + 2)); + e_app_tag = le16_to_cpu(*(uint16_t *)(ep + 0)); + e_ref_tag = le32_to_cpu(*(uint32_t *)(ep + 4)); ql_dbg(ql_dbg_io, vha, 0x3023, "iocb(s) %p Returned STATUS.\n", sts24); @@ -1465,6 +1466,63 @@ qla2x00_handle_dif_error(srb_t *sp, struct sts_entry_24xx *sts24) cmd->cmnd[0], (u64)scsi_get_lba(cmd), a_ref_tag, e_ref_tag, a_app_tag, e_app_tag, a_guard, e_guard); + /* + * Ignore sector if: + * For type 3: ref & app tag is all 'f's + * For type 0,1,2: app tag is all 'f's + */ + if ((a_app_tag == 0xffff) && + ((scsi_get_prot_type(cmd) != SCSI_PROT_DIF_TYPE3) || + (a_ref_tag == 0xffffffff))) { + uint32_t blocks_done, resid; + sector_t lba_s = scsi_get_lba(cmd); + + /* 2TB boundary case covered automatically with this */ + blocks_done = e_ref_tag - (uint32_t)lba_s + 1; + + resid = scsi_bufflen(cmd) - (blocks_done * + cmd->device->sector_size); + + scsi_set_resid(cmd, resid); + cmd->result = DID_OK << 16; + + /* Update protection tag */ + if (scsi_prot_sg_count(cmd)) { + uint32_t i, j = 0, k = 0, num_ent; + struct scatterlist *sg; + struct sd_dif_tuple *spt; + + /* Patch the corresponding protection tags */ + scsi_for_each_prot_sg(cmd, sg, + scsi_prot_sg_count(cmd), i) { + num_ent = sg_dma_len(sg) / 8; + if (k + num_ent < blocks_done) { + k += num_ent; + continue; + } + j = blocks_done - k - 1; + k = blocks_done; + break; + } + + if (k != blocks_done) { + qla_printk(KERN_WARNING, sp->fcport->vha->hw, + "unexpected tag values tag:lba=%x:%llx)\n", + e_ref_tag, (unsigned long long)lba_s); + return 1; + } + + spt = page_address(sg_page(sg)) + sg->offset; + spt += j; + + spt->app_tag = 0xffff; + if (scsi_get_prot_type(cmd) == SCSI_PROT_DIF_TYPE3) + spt->ref_tag = 0xffffffff; + } + + return 0; + } + /* check guard */ if (e_guard != a_guard) { scsi_build_sense_buffer(1, cmd->sense_buffer, ILLEGAL_REQUEST, @@ -1472,28 +1530,30 @@ qla2x00_handle_dif_error(srb_t *sp, struct sts_entry_24xx *sts24) set_driver_byte(cmd, DRIVER_SENSE); set_host_byte(cmd, DID_ABORT); cmd->result |= SAM_STAT_CHECK_CONDITION << 1; - return; + return 1; } - /* check appl tag */ - if (e_app_tag != a_app_tag) { + /* check ref tag */ + if (e_ref_tag != a_ref_tag) { scsi_build_sense_buffer(1, cmd->sense_buffer, ILLEGAL_REQUEST, - 0x10, 0x2); + 0x10, 0x3); set_driver_byte(cmd, DRIVER_SENSE); set_host_byte(cmd, DID_ABORT); cmd->result |= SAM_STAT_CHECK_CONDITION << 1; - return; + return 1; } - /* check ref tag */ - if (e_ref_tag != a_ref_tag) { + /* check appl tag */ + if (e_app_tag != a_app_tag) { scsi_build_sense_buffer(1, cmd->sense_buffer, ILLEGAL_REQUEST, - 0x10, 0x3); + 0x10, 0x2); set_driver_byte(cmd, DRIVER_SENSE); set_host_byte(cmd, DID_ABORT); cmd->result |= SAM_STAT_CHECK_CONDITION << 1; - return; + return 1; } + + return 1; } /** @@ -1767,7 +1827,7 @@ check_scsi_status: break; case CS_DIF_ERROR: - qla2x00_handle_dif_error(sp, sts24); + logit = qla2x00_handle_dif_error(sp, sts24); break; default: cp->result = DID_ERROR << 16; @@ -2468,11 +2528,10 @@ qla2x00_request_irqs(struct qla_hw_data *ha, struct rsp_que *rsp) goto skip_msi; } - if (IS_QLA2432(ha) && (ha->pdev->revision < QLA_MSIX_CHIP_REV_24XX || - !QLA_MSIX_FW_MODE_1(ha->fw_attributes))) { + if (IS_QLA2432(ha) && (ha->pdev->revision < QLA_MSIX_CHIP_REV_24XX)) { ql_log(ql_log_warn, vha, 0x0035, "MSI-X; Unsupported ISP2432 (0x%X, 0x%X).\n", - ha->pdev->revision, ha->fw_attributes); + ha->pdev->revision, QLA_MSIX_CHIP_REV_24XX); goto skip_msix; } diff --git a/drivers/scsi/qla2xxx/qla_mid.c b/drivers/scsi/qla2xxx/qla_mid.c index c706ed370000..f488cc69fc79 100644 --- a/drivers/scsi/qla2xxx/qla_mid.c +++ b/drivers/scsi/qla2xxx/qla_mid.c @@ -472,7 +472,7 @@ qla24xx_create_vhost(struct fc_vport *fc_vport) host->can_queue = base_vha->req->length + 128; host->this_id = 255; host->cmd_per_lun = 3; - if ((IS_QLA25XX(ha) || IS_QLA81XX(ha)) && ql2xenabledif) + if (IS_T10_PI_CAPABLE(ha) && ql2xenabledif) host->max_cmd_len = 32; else host->max_cmd_len = MAX_CMDSZ; diff --git a/drivers/scsi/qla2xxx/qla_nx.c b/drivers/scsi/qla2xxx/qla_nx.c index 5cbf33a50b14..049807cda419 100644 --- a/drivers/scsi/qla2xxx/qla_nx.c +++ b/drivers/scsi/qla2xxx/qla_nx.c @@ -2208,6 +2208,7 @@ qla82xx_msix_rsp_q(int irq, void *dev_id) struct qla_hw_data *ha; struct rsp_que *rsp; struct device_reg_82xx __iomem *reg; + unsigned long flags; rsp = (struct rsp_que *) dev_id; if (!rsp) { @@ -2218,11 +2219,11 @@ qla82xx_msix_rsp_q(int irq, void *dev_id) ha = rsp->hw; reg = &ha->iobase->isp82; - spin_lock_irq(&ha->hardware_lock); + spin_lock_irqsave(&ha->hardware_lock, flags); vha = pci_get_drvdata(ha->pdev); qla24xx_process_response_queue(vha, rsp); WRT_REG_DWORD(®->host_int, 0); - spin_unlock_irq(&ha->hardware_lock); + spin_unlock_irqrestore(&ha->hardware_lock, flags); return IRQ_HANDLED; } @@ -2838,6 +2839,16 @@ sufficient_dsds: int_to_scsilun(sp->cmd->device->lun, &cmd_pkt->lun); host_to_fcp_swap((uint8_t *)&cmd_pkt->lun, sizeof(cmd_pkt->lun)); + /* build FCP_CMND IU */ + memset(ctx->fcp_cmnd, 0, sizeof(struct fcp_cmnd)); + int_to_scsilun(sp->cmd->device->lun, &ctx->fcp_cmnd->lun); + ctx->fcp_cmnd->additional_cdb_len = additional_cdb_len; + + if (cmd->sc_data_direction == DMA_TO_DEVICE) + ctx->fcp_cmnd->additional_cdb_len |= 1; + else if (cmd->sc_data_direction == DMA_FROM_DEVICE) + ctx->fcp_cmnd->additional_cdb_len |= 2; + /* * Update tagged queuing modifier -- default is TSK_SIMPLE (0). */ @@ -2854,16 +2865,6 @@ sufficient_dsds: } } - /* build FCP_CMND IU */ - memset(ctx->fcp_cmnd, 0, sizeof(struct fcp_cmnd)); - int_to_scsilun(sp->cmd->device->lun, &ctx->fcp_cmnd->lun); - ctx->fcp_cmnd->additional_cdb_len = additional_cdb_len; - - if (cmd->sc_data_direction == DMA_TO_DEVICE) - ctx->fcp_cmnd->additional_cdb_len |= 1; - else if (cmd->sc_data_direction == DMA_FROM_DEVICE) - ctx->fcp_cmnd->additional_cdb_len |= 2; - memcpy(ctx->fcp_cmnd->cdb, cmd->cmnd, cmd->cmd_len); fcp_dl = (uint32_t *)(ctx->fcp_cmnd->cdb + 16 + diff --git a/drivers/scsi/qla2xxx/qla_os.c b/drivers/scsi/qla2xxx/qla_os.c index e02df276804e..4cace3f20c04 100644 --- a/drivers/scsi/qla2xxx/qla_os.c +++ b/drivers/scsi/qla2xxx/qla_os.c @@ -106,17 +106,21 @@ MODULE_PARM_DESC(ql2xmaxqdepth, "Maximum queue depth to report for target devices."); /* Do not change the value of this after module load */ -int ql2xenabledif = 1; +int ql2xenabledif = 0; module_param(ql2xenabledif, int, S_IRUGO|S_IWUSR); MODULE_PARM_DESC(ql2xenabledif, " Enable T10-CRC-DIF " - " Default is 0 - No DIF Support. 1 - Enable it"); + " Default is 0 - No DIF Support. 1 - Enable it" + ", 2 - Enable DIF for all types, except Type 0."); -int ql2xenablehba_err_chk; +int ql2xenablehba_err_chk = 2; module_param(ql2xenablehba_err_chk, int, S_IRUGO|S_IWUSR); MODULE_PARM_DESC(ql2xenablehba_err_chk, - " Enable T10-CRC-DIF Error isolation by HBA" - " Default is 0 - Error isolation disabled, 1 - Enable it"); + " Enable T10-CRC-DIF Error isolation by HBA:\n" + " Default is 1.\n" + " 0 -- Error isolation disabled\n" + " 1 -- Error isolation enabled only for DIX Type 0\n" + " 2 -- Error isolation enabled for all Types\n"); int ql2xiidmaenable=1; module_param(ql2xiidmaenable, int, S_IRUGO); @@ -909,7 +913,14 @@ qla2xxx_eh_abort(struct scsi_cmnd *cmd) "Abort command mbx success.\n"); wait = 1; } + + spin_lock_irqsave(&ha->hardware_lock, flags); qla2x00_sp_compl(ha, sp); + spin_unlock_irqrestore(&ha->hardware_lock, flags); + + /* Did the command return during mailbox execution? */ + if (ret == FAILED && !CMD_SP(cmd)) + ret = SUCCESS; /* Wait for the command to be returned. */ if (wait) { @@ -2251,7 +2262,7 @@ qla2x00_probe_one(struct pci_dev *pdev, const struct pci_device_id *id) host->this_id = 255; host->cmd_per_lun = 3; host->unique_id = host->host_no; - if ((IS_QLA25XX(ha) || IS_QLA81XX(ha)) && ql2xenabledif) + if (IS_T10_PI_CAPABLE(ha) && ql2xenabledif) host->max_cmd_len = 32; else host->max_cmd_len = MAX_CMDSZ; @@ -2378,13 +2389,16 @@ skip_dpc: "Detected hba at address=%p.\n", ha); - if ((IS_QLA25XX(ha) || IS_QLA81XX(ha)) && ql2xenabledif) { + if (IS_T10_PI_CAPABLE(ha) && ql2xenabledif) { if (ha->fw_attributes & BIT_4) { + int prot = 0; base_vha->flags.difdix_supported = 1; ql_dbg(ql_dbg_init, base_vha, 0x00f1, "Registering for DIF/DIX type 1 and 3 protection.\n"); + if (ql2xenabledif == 1) + prot = SHOST_DIX_TYPE0_PROTECTION; scsi_host_set_prot(host, - SHOST_DIF_TYPE1_PROTECTION + prot | SHOST_DIF_TYPE1_PROTECTION | SHOST_DIF_TYPE2_PROTECTION | SHOST_DIF_TYPE3_PROTECTION | SHOST_DIX_TYPE1_PROTECTION diff --git a/drivers/scsi/qla2xxx/qla_version.h b/drivers/scsi/qla2xxx/qla_version.h index 062c97bf62f5..13b6357c1fa2 100644 --- a/drivers/scsi/qla2xxx/qla_version.h +++ b/drivers/scsi/qla2xxx/qla_version.h @@ -7,7 +7,7 @@ /* * Driver version */ -#define QLA2XXX_VERSION "8.03.07.03-k" +#define QLA2XXX_VERSION "8.03.07.07-k" #define QLA_DRIVER_MAJOR_VER 8 #define QLA_DRIVER_MINOR_VER 3 diff --git a/drivers/spi/spi-fsl-spi.c b/drivers/spi/spi-fsl-spi.c index d2407558773f..24cacff57786 100644 --- a/drivers/spi/spi-fsl-spi.c +++ b/drivers/spi/spi-fsl-spi.c @@ -825,6 +825,9 @@ static void fsl_spi_cpm_free(struct mpc8xxx_spi *mspi) { struct device *dev = mspi->dev; + if (!(mspi->flags & SPI_CPM_MODE)) + return; + dma_unmap_single(dev, mspi->dma_dummy_rx, SPI_MRBLR, DMA_FROM_DEVICE); dma_unmap_single(dev, mspi->dma_dummy_tx, PAGE_SIZE, DMA_TO_DEVICE); cpm_muram_free(cpm_muram_offset(mspi->tx_bd)); diff --git a/drivers/spi/spi-imx.c b/drivers/spi/spi-imx.c index 8ac6542aedcd..fa594d604aca 100644 --- a/drivers/spi/spi-imx.c +++ b/drivers/spi/spi-imx.c @@ -786,9 +786,11 @@ static int __devinit spi_imx_probe(struct platform_device *pdev) int cs_gpio = of_get_named_gpio(np, "cs-gpios", i); if (cs_gpio < 0) cs_gpio = mxc_platform_info->chipselect[i]; + + spi_imx->chipselect[i] = cs_gpio; if (cs_gpio < 0) continue; - spi_imx->chipselect[i] = cs_gpio; + ret = gpio_request(spi_imx->chipselect[i], DRIVER_NAME); if (ret) { while (i > 0) { diff --git a/drivers/spi/spi-s3c64xx.c b/drivers/spi/spi-s3c64xx.c index 595dacc7645f..019a7163572f 100644 --- a/drivers/spi/spi-s3c64xx.c +++ b/drivers/spi/spi-s3c64xx.c @@ -131,6 +131,12 @@ #define RXBUSY (1<<2) #define TXBUSY (1<<3) +struct s3c64xx_spi_dma_data { + unsigned ch; + enum dma_data_direction direction; + enum dma_ch dmach; +}; + /** * struct s3c64xx_spi_driver_data - Runtime info holder for SPI driver. * @clk: Pointer to the spi clock. @@ -164,13 +170,14 @@ struct s3c64xx_spi_driver_data { struct work_struct work; struct list_head queue; spinlock_t lock; - enum dma_ch rx_dmach; - enum dma_ch tx_dmach; unsigned long sfr_start; struct completion xfer_completion; unsigned state; unsigned cur_mode, cur_bpw; unsigned cur_speed; + struct s3c64xx_spi_dma_data rx_dma; + struct s3c64xx_spi_dma_data tx_dma; + struct samsung_dma_ops *ops; }; static struct s3c2410_dma_client s3c64xx_spi_dma_client = { @@ -226,6 +233,78 @@ static void flush_fifo(struct s3c64xx_spi_driver_data *sdd) writel(val, regs + S3C64XX_SPI_CH_CFG); } +static void s3c64xx_spi_dmacb(void *data) +{ + struct s3c64xx_spi_driver_data *sdd; + struct s3c64xx_spi_dma_data *dma = data; + unsigned long flags; + + if (dma->direction == DMA_FROM_DEVICE) + sdd = container_of(data, + struct s3c64xx_spi_driver_data, rx_dma); + else + sdd = container_of(data, + struct s3c64xx_spi_driver_data, tx_dma); + + spin_lock_irqsave(&sdd->lock, flags); + + if (dma->direction == DMA_FROM_DEVICE) { + sdd->state &= ~RXBUSY; + if (!(sdd->state & TXBUSY)) + complete(&sdd->xfer_completion); + } else { + sdd->state &= ~TXBUSY; + if (!(sdd->state & RXBUSY)) + complete(&sdd->xfer_completion); + } + + spin_unlock_irqrestore(&sdd->lock, flags); +} + +static void prepare_dma(struct s3c64xx_spi_dma_data *dma, + unsigned len, dma_addr_t buf) +{ + struct s3c64xx_spi_driver_data *sdd; + struct samsung_dma_prep_info info; + + if (dma->direction == DMA_FROM_DEVICE) + sdd = container_of((void *)dma, + struct s3c64xx_spi_driver_data, rx_dma); + else + sdd = container_of((void *)dma, + struct s3c64xx_spi_driver_data, tx_dma); + + info.cap = DMA_SLAVE; + info.len = len; + info.fp = s3c64xx_spi_dmacb; + info.fp_param = dma; + info.direction = dma->direction; + info.buf = buf; + + sdd->ops->prepare(dma->ch, &info); + sdd->ops->trigger(dma->ch); +} + +static int acquire_dma(struct s3c64xx_spi_driver_data *sdd) +{ + struct samsung_dma_info info; + + sdd->ops = samsung_dma_get_ops(); + + info.cap = DMA_SLAVE; + info.client = &s3c64xx_spi_dma_client; + info.width = sdd->cur_bpw / 8; + + info.direction = sdd->rx_dma.direction; + info.fifo = sdd->sfr_start + S3C64XX_SPI_RX_DATA; + sdd->rx_dma.ch = sdd->ops->request(sdd->rx_dma.dmach, &info); + info.direction = sdd->tx_dma.direction; + info.fifo = sdd->sfr_start + S3C64XX_SPI_TX_DATA; + sdd->tx_dma.ch = sdd->ops->request(sdd->tx_dma.dmach, &info); + + return 1; +} + static void enable_datapath(struct s3c64xx_spi_driver_data *sdd, struct spi_device *spi, struct spi_transfer *xfer, int dma_mode) @@ -258,10 +337,7 @@ static void enable_datapath(struct s3c64xx_spi_driver_data *sdd, chcfg |= S3C64XX_SPI_CH_TXCH_ON; if (dma_mode) { modecfg |= S3C64XX_SPI_MODE_TXDMA_ON; - s3c2410_dma_config(sdd->tx_dmach, sdd->cur_bpw / 8); - s3c2410_dma_enqueue(sdd->tx_dmach, (void *)sdd, - xfer->tx_dma, xfer->len); - s3c2410_dma_ctrl(sdd->tx_dmach, S3C2410_DMAOP_START); + prepare_dma(&sdd->tx_dma, xfer->len, xfer->tx_dma); } else { switch (sdd->cur_bpw) { case 32: @@ -293,10 +369,7 @@ static void enable_datapath(struct s3c64xx_spi_driver_data *sdd, writel(((xfer->len * 8 / sdd->cur_bpw) & 0xffff) | S3C64XX_SPI_PACKET_CNT_EN, regs + S3C64XX_SPI_PACKET_CNT); - s3c2410_dma_config(sdd->rx_dmach, sdd->cur_bpw / 8); - s3c2410_dma_enqueue(sdd->rx_dmach, (void *)sdd, - xfer->rx_dma, xfer->len); - s3c2410_dma_ctrl(sdd->rx_dmach, S3C2410_DMAOP_START); + prepare_dma(&sdd->rx_dma, xfer->len, xfer->rx_dma); } } @@ -482,46 +555,6 @@ static void s3c64xx_spi_config(struct s3c64xx_spi_driver_data *sdd) } } -static void s3c64xx_spi_dma_rxcb(struct s3c2410_dma_chan *chan, void *buf_id, - int size, enum s3c2410_dma_buffresult res) -{ - struct s3c64xx_spi_driver_data *sdd = buf_id; - unsigned long flags; - - spin_lock_irqsave(&sdd->lock, flags); - - if (res == S3C2410_RES_OK) - sdd->state &= ~RXBUSY; - else - dev_err(&sdd->pdev->dev, "DmaAbrtRx-%d\n", size); - - /* If the other done */ - if (!(sdd->state & TXBUSY)) - complete(&sdd->xfer_completion); - - spin_unlock_irqrestore(&sdd->lock, flags); -} - -static void s3c64xx_spi_dma_txcb(struct s3c2410_dma_chan *chan, void *buf_id, - int size, enum s3c2410_dma_buffresult res) -{ - struct s3c64xx_spi_driver_data *sdd = buf_id; - unsigned long flags; - - spin_lock_irqsave(&sdd->lock, flags); - - if (res == S3C2410_RES_OK) - sdd->state &= ~TXBUSY; - else - dev_err(&sdd->pdev->dev, "DmaAbrtTx-%d \n", size); - - /* If the other done */ - if (!(sdd->state & RXBUSY)) - complete(&sdd->xfer_completion); - - spin_unlock_irqrestore(&sdd->lock, flags); -} - #define XFER_DMAADDR_INVALID DMA_BIT_MASK(32) static int s3c64xx_spi_map_mssg(struct s3c64xx_spi_driver_data *sdd, @@ -696,12 +729,10 @@ static void handle_msg(struct s3c64xx_spi_driver_data *sdd, if (use_dma) { if (xfer->tx_buf != NULL && (sdd->state & TXBUSY)) - s3c2410_dma_ctrl(sdd->tx_dmach, - S3C2410_DMAOP_FLUSH); + sdd->ops->stop(sdd->tx_dma.ch); if (xfer->rx_buf != NULL && (sdd->state & RXBUSY)) - s3c2410_dma_ctrl(sdd->rx_dmach, - S3C2410_DMAOP_FLUSH); + sdd->ops->stop(sdd->rx_dma.ch); } goto out; @@ -739,30 +770,6 @@ out: msg->complete(msg->context); } -static int acquire_dma(struct s3c64xx_spi_driver_data *sdd) -{ - if (s3c2410_dma_request(sdd->rx_dmach, - &s3c64xx_spi_dma_client, NULL) < 0) { - dev_err(&sdd->pdev->dev, "cannot get RxDMA\n"); - return 0; - } - s3c2410_dma_set_buffdone_fn(sdd->rx_dmach, s3c64xx_spi_dma_rxcb); - s3c2410_dma_devconfig(sdd->rx_dmach, S3C2410_DMASRC_HW, - sdd->sfr_start + S3C64XX_SPI_RX_DATA); - - if (s3c2410_dma_request(sdd->tx_dmach, - &s3c64xx_spi_dma_client, NULL) < 0) { - dev_err(&sdd->pdev->dev, "cannot get TxDMA\n"); - s3c2410_dma_free(sdd->rx_dmach, &s3c64xx_spi_dma_client); - return 0; - } - s3c2410_dma_set_buffdone_fn(sdd->tx_dmach, s3c64xx_spi_dma_txcb); - s3c2410_dma_devconfig(sdd->tx_dmach, S3C2410_DMASRC_MEM, - sdd->sfr_start + S3C64XX_SPI_TX_DATA); - - return 1; -} - static void s3c64xx_spi_work(struct work_struct *work) { struct s3c64xx_spi_driver_data *sdd = container_of(work, @@ -799,8 +806,8 @@ static void s3c64xx_spi_work(struct work_struct *work) spin_unlock_irqrestore(&sdd->lock, flags); /* Free DMA channels */ - s3c2410_dma_free(sdd->tx_dmach, &s3c64xx_spi_dma_client); - s3c2410_dma_free(sdd->rx_dmach, &s3c64xx_spi_dma_client); + sdd->ops->release(sdd->rx_dma.ch, &s3c64xx_spi_dma_client); + sdd->ops->release(sdd->tx_dma.ch, &s3c64xx_spi_dma_client); } static int s3c64xx_spi_transfer(struct spi_device *spi, @@ -1017,8 +1024,10 @@ static int __init s3c64xx_spi_probe(struct platform_device *pdev) sdd->cntrlr_info = sci; sdd->pdev = pdev; sdd->sfr_start = mem_res->start; - sdd->tx_dmach = dmatx_res->start; - sdd->rx_dmach = dmarx_res->start; + sdd->tx_dma.dmach = dmatx_res->start; + sdd->tx_dma.direction = DMA_TO_DEVICE; + sdd->rx_dma.dmach = dmarx_res->start; + sdd->rx_dma.direction = DMA_FROM_DEVICE; sdd->cur_bpw = 8; @@ -1106,7 +1115,7 @@ static int __init s3c64xx_spi_probe(struct platform_device *pdev) pdev->id, master->num_chipselect); dev_dbg(&pdev->dev, "\tIOmem=[0x%x-0x%x]\tDMA=[Rx-%d, Tx-%d]\n", mem_res->end, mem_res->start, - sdd->rx_dmach, sdd->tx_dmach); + sdd->rx_dma.dmach, sdd->tx_dma.dmach); return 0; diff --git a/drivers/staging/comedi/drivers/ni_labpc.c b/drivers/staging/comedi/drivers/ni_labpc.c index 6859af0778cf..7611def97d06 100644 --- a/drivers/staging/comedi/drivers/ni_labpc.c +++ b/drivers/staging/comedi/drivers/ni_labpc.c @@ -241,8 +241,10 @@ static int labpc_eeprom_write_insn(struct comedi_device *dev, struct comedi_insn *insn, unsigned int *data); static void labpc_adc_timing(struct comedi_device *dev, struct comedi_cmd *cmd); -#ifdef CONFIG_COMEDI_PCI +#ifdef CONFIG_ISA_DMA_API static unsigned int labpc_suggest_transfer_size(struct comedi_cmd cmd); +#endif +#ifdef CONFIG_COMEDI_PCI static int labpc_find_device(struct comedi_device *dev, int bus, int slot); #endif static int labpc_dio_mem_callback(int dir, int port, int data, diff --git a/drivers/staging/zcache/zcache-main.c b/drivers/staging/zcache/zcache-main.c index a3f5162bfedc..462fbc20561f 100644 --- a/drivers/staging/zcache/zcache-main.c +++ b/drivers/staging/zcache/zcache-main.c @@ -1242,7 +1242,7 @@ static int zcache_pampd_get_data_and_free(char *data, size_t *bufsize, bool raw, int ret = 0; BUG_ON(!is_ephemeral(pool)); - zbud_decompress(virt_to_page(data), pampd); + zbud_decompress((struct page *)(data), pampd); zbud_free_and_delist((struct zbud_hdr *)pampd); atomic_dec(&zcache_curr_eph_pampd_count); return ret; diff --git a/drivers/target/iscsi/iscsi_target_parameters.c b/drivers/target/iscsi/iscsi_target_parameters.c index 497b2e718a76..5b773160200f 100644 --- a/drivers/target/iscsi/iscsi_target_parameters.c +++ b/drivers/target/iscsi/iscsi_target_parameters.c @@ -1430,7 +1430,7 @@ static int iscsi_enforce_integrity_rules( u8 DataSequenceInOrder = 0; u8 ErrorRecoveryLevel = 0, SessionType = 0; u8 IFMarker = 0, OFMarker = 0; - u8 IFMarkInt_Reject = 0, OFMarkInt_Reject = 0; + u8 IFMarkInt_Reject = 1, OFMarkInt_Reject = 1; u32 FirstBurstLength = 0, MaxBurstLength = 0; struct iscsi_param *param = NULL; diff --git a/drivers/target/iscsi/iscsi_target_util.c b/drivers/target/iscsi/iscsi_target_util.c index a0d23bc0fc98..f00137f377b2 100644 --- a/drivers/target/iscsi/iscsi_target_util.c +++ b/drivers/target/iscsi/iscsi_target_util.c @@ -875,40 +875,6 @@ void iscsit_inc_session_usage_count(struct iscsi_session *sess) } /* - * Used before iscsi_do[rx,tx]_data() to determine iov and [rx,tx]_marker - * array counts needed for sync and steering. - */ -static int iscsit_determine_sync_and_steering_counts( - struct iscsi_conn *conn, - struct iscsi_data_count *count) -{ - u32 length = count->data_length; - u32 marker, markint; - - count->sync_and_steering = 1; - - marker = (count->type == ISCSI_RX_DATA) ? - conn->of_marker : conn->if_marker; - markint = (count->type == ISCSI_RX_DATA) ? - (conn->conn_ops->OFMarkInt * 4) : - (conn->conn_ops->IFMarkInt * 4); - count->ss_iov_count = count->iov_count; - - while (length > 0) { - if (length >= marker) { - count->ss_iov_count += 3; - count->ss_marker_count += 2; - - length -= marker; - marker = markint; - } else - length = 0; - } - - return 0; -} - -/* * Setup conn->if_marker and conn->of_marker values based upon * the initial marker-less interval. (see iSCSI v19 A.2) */ @@ -1290,7 +1256,7 @@ int iscsit_fe_sendpage_sg( struct kvec iov; u32 tx_hdr_size, data_len; u32 offset = cmd->first_data_sg_off; - int tx_sent; + int tx_sent, iov_off; send_hdr: tx_hdr_size = ISCSI_HDR_LEN; @@ -1310,9 +1276,19 @@ send_hdr: } data_len = cmd->tx_size - tx_hdr_size - cmd->padding; - if (conn->conn_ops->DataDigest) + /* + * Set iov_off used by padding and data digest tx_data() calls below + * in order to determine proper offset into cmd->iov_data[] + */ + if (conn->conn_ops->DataDigest) { data_len -= ISCSI_CRC_LEN; - + if (cmd->padding) + iov_off = (cmd->iov_data_count - 2); + else + iov_off = (cmd->iov_data_count - 1); + } else { + iov_off = (cmd->iov_data_count - 1); + } /* * Perform sendpage() for each page in the scatterlist */ @@ -1341,8 +1317,7 @@ send_pg: send_padding: if (cmd->padding) { - struct kvec *iov_p = - &cmd->iov_data[cmd->iov_data_count-1]; + struct kvec *iov_p = &cmd->iov_data[iov_off++]; tx_sent = tx_data(conn, iov_p, 1, cmd->padding); if (cmd->padding != tx_sent) { @@ -1356,8 +1331,7 @@ send_padding: send_datacrc: if (conn->conn_ops->DataDigest) { - struct kvec *iov_d = - &cmd->iov_data[cmd->iov_data_count]; + struct kvec *iov_d = &cmd->iov_data[iov_off]; tx_sent = tx_data(conn, iov_d, 1, ISCSI_CRC_LEN); if (ISCSI_CRC_LEN != tx_sent) { @@ -1431,8 +1405,7 @@ static int iscsit_do_rx_data( struct iscsi_data_count *count) { int data = count->data_length, rx_loop = 0, total_rx = 0, iov_len; - u32 rx_marker_val[count->ss_marker_count], rx_marker_iov = 0; - struct kvec iov[count->ss_iov_count], *iov_p; + struct kvec *iov_p; struct msghdr msg; if (!conn || !conn->sock || !conn->conn_ops) @@ -1440,93 +1413,8 @@ static int iscsit_do_rx_data( memset(&msg, 0, sizeof(struct msghdr)); - if (count->sync_and_steering) { - int size = 0; - u32 i, orig_iov_count = 0; - u32 orig_iov_len = 0, orig_iov_loc = 0; - u32 iov_count = 0, per_iov_bytes = 0; - u32 *rx_marker, old_rx_marker = 0; - struct kvec *iov_record; - - memset(&rx_marker_val, 0, - count->ss_marker_count * sizeof(u32)); - memset(&iov, 0, count->ss_iov_count * sizeof(struct kvec)); - - iov_record = count->iov; - orig_iov_count = count->iov_count; - rx_marker = &conn->of_marker; - - i = 0; - size = data; - orig_iov_len = iov_record[orig_iov_loc].iov_len; - while (size > 0) { - pr_debug("rx_data: #1 orig_iov_len %u," - " orig_iov_loc %u\n", orig_iov_len, orig_iov_loc); - pr_debug("rx_data: #2 rx_marker %u, size" - " %u\n", *rx_marker, size); - - if (orig_iov_len >= *rx_marker) { - iov[iov_count].iov_len = *rx_marker; - iov[iov_count++].iov_base = - (iov_record[orig_iov_loc].iov_base + - per_iov_bytes); - - iov[iov_count].iov_len = (MARKER_SIZE / 2); - iov[iov_count++].iov_base = - &rx_marker_val[rx_marker_iov++]; - iov[iov_count].iov_len = (MARKER_SIZE / 2); - iov[iov_count++].iov_base = - &rx_marker_val[rx_marker_iov++]; - old_rx_marker = *rx_marker; - - /* - * OFMarkInt is in 32-bit words. - */ - *rx_marker = (conn->conn_ops->OFMarkInt * 4); - size -= old_rx_marker; - orig_iov_len -= old_rx_marker; - per_iov_bytes += old_rx_marker; - - pr_debug("rx_data: #3 new_rx_marker" - " %u, size %u\n", *rx_marker, size); - } else { - iov[iov_count].iov_len = orig_iov_len; - iov[iov_count++].iov_base = - (iov_record[orig_iov_loc].iov_base + - per_iov_bytes); - - per_iov_bytes = 0; - *rx_marker -= orig_iov_len; - size -= orig_iov_len; - - if (size) - orig_iov_len = - iov_record[++orig_iov_loc].iov_len; - - pr_debug("rx_data: #4 new_rx_marker" - " %u, size %u\n", *rx_marker, size); - } - } - data += (rx_marker_iov * (MARKER_SIZE / 2)); - - iov_p = &iov[0]; - iov_len = iov_count; - - if (iov_count > count->ss_iov_count) { - pr_err("iov_count: %d, count->ss_iov_count:" - " %d\n", iov_count, count->ss_iov_count); - return -1; - } - if (rx_marker_iov > count->ss_marker_count) { - pr_err("rx_marker_iov: %d, count->ss_marker" - "_count: %d\n", rx_marker_iov, - count->ss_marker_count); - return -1; - } - } else { - iov_p = count->iov; - iov_len = count->iov_count; - } + iov_p = count->iov; + iov_len = count->iov_count; while (total_rx < data) { rx_loop = kernel_recvmsg(conn->sock, &msg, iov_p, iov_len, @@ -1541,16 +1429,6 @@ static int iscsit_do_rx_data( rx_loop, total_rx, data); } - if (count->sync_and_steering) { - int j; - for (j = 0; j < rx_marker_iov; j++) { - pr_debug("rx_data: #5 j: %d, offset: %d\n", - j, rx_marker_val[j]); - conn->of_marker_offset = rx_marker_val[j]; - } - total_rx -= (rx_marker_iov * (MARKER_SIZE / 2)); - } - return total_rx; } @@ -1559,8 +1437,7 @@ static int iscsit_do_tx_data( struct iscsi_data_count *count) { int data = count->data_length, total_tx = 0, tx_loop = 0, iov_len; - u32 tx_marker_val[count->ss_marker_count], tx_marker_iov = 0; - struct kvec iov[count->ss_iov_count], *iov_p; + struct kvec *iov_p; struct msghdr msg; if (!conn || !conn->sock || !conn->conn_ops) @@ -1573,98 +1450,8 @@ static int iscsit_do_tx_data( memset(&msg, 0, sizeof(struct msghdr)); - if (count->sync_and_steering) { - int size = 0; - u32 i, orig_iov_count = 0; - u32 orig_iov_len = 0, orig_iov_loc = 0; - u32 iov_count = 0, per_iov_bytes = 0; - u32 *tx_marker, old_tx_marker = 0; - struct kvec *iov_record; - - memset(&tx_marker_val, 0, - count->ss_marker_count * sizeof(u32)); - memset(&iov, 0, count->ss_iov_count * sizeof(struct kvec)); - - iov_record = count->iov; - orig_iov_count = count->iov_count; - tx_marker = &conn->if_marker; - - i = 0; - size = data; - orig_iov_len = iov_record[orig_iov_loc].iov_len; - while (size > 0) { - pr_debug("tx_data: #1 orig_iov_len %u," - " orig_iov_loc %u\n", orig_iov_len, orig_iov_loc); - pr_debug("tx_data: #2 tx_marker %u, size" - " %u\n", *tx_marker, size); - - if (orig_iov_len >= *tx_marker) { - iov[iov_count].iov_len = *tx_marker; - iov[iov_count++].iov_base = - (iov_record[orig_iov_loc].iov_base + - per_iov_bytes); - - tx_marker_val[tx_marker_iov] = - (size - *tx_marker); - iov[iov_count].iov_len = (MARKER_SIZE / 2); - iov[iov_count++].iov_base = - &tx_marker_val[tx_marker_iov++]; - iov[iov_count].iov_len = (MARKER_SIZE / 2); - iov[iov_count++].iov_base = - &tx_marker_val[tx_marker_iov++]; - old_tx_marker = *tx_marker; - - /* - * IFMarkInt is in 32-bit words. - */ - *tx_marker = (conn->conn_ops->IFMarkInt * 4); - size -= old_tx_marker; - orig_iov_len -= old_tx_marker; - per_iov_bytes += old_tx_marker; - - pr_debug("tx_data: #3 new_tx_marker" - " %u, size %u\n", *tx_marker, size); - pr_debug("tx_data: #4 offset %u\n", - tx_marker_val[tx_marker_iov-1]); - } else { - iov[iov_count].iov_len = orig_iov_len; - iov[iov_count++].iov_base - = (iov_record[orig_iov_loc].iov_base + - per_iov_bytes); - - per_iov_bytes = 0; - *tx_marker -= orig_iov_len; - size -= orig_iov_len; - - if (size) - orig_iov_len = - iov_record[++orig_iov_loc].iov_len; - - pr_debug("tx_data: #5 new_tx_marker" - " %u, size %u\n", *tx_marker, size); - } - } - - data += (tx_marker_iov * (MARKER_SIZE / 2)); - - iov_p = &iov[0]; - iov_len = iov_count; - - if (iov_count > count->ss_iov_count) { - pr_err("iov_count: %d, count->ss_iov_count:" - " %d\n", iov_count, count->ss_iov_count); - return -1; - } - if (tx_marker_iov > count->ss_marker_count) { - pr_err("tx_marker_iov: %d, count->ss_marker" - "_count: %d\n", tx_marker_iov, - count->ss_marker_count); - return -1; - } - } else { - iov_p = count->iov; - iov_len = count->iov_count; - } + iov_p = count->iov; + iov_len = count->iov_count; while (total_tx < data) { tx_loop = kernel_sendmsg(conn->sock, &msg, iov_p, iov_len, @@ -1679,9 +1466,6 @@ static int iscsit_do_tx_data( tx_loop, total_tx, data); } - if (count->sync_and_steering) - total_tx -= (tx_marker_iov * (MARKER_SIZE / 2)); - return total_tx; } @@ -1702,12 +1486,6 @@ int rx_data( c.data_length = data; c.type = ISCSI_RX_DATA; - if (conn->conn_ops->OFMarker && - (conn->conn_state >= TARG_CONN_STATE_LOGGED_IN)) { - if (iscsit_determine_sync_and_steering_counts(conn, &c) < 0) - return -1; - } - return iscsit_do_rx_data(conn, &c); } @@ -1728,12 +1506,6 @@ int tx_data( c.data_length = data; c.type = ISCSI_TX_DATA; - if (conn->conn_ops->IFMarker && - (conn->conn_state >= TARG_CONN_STATE_LOGGED_IN)) { - if (iscsit_determine_sync_and_steering_counts(conn, &c) < 0) - return -1; - } - return iscsit_do_tx_data(conn, &c); } diff --git a/drivers/target/target_core_cdb.c b/drivers/target/target_core_cdb.c index 89ae923c5da6..f04d4ef99dca 100644 --- a/drivers/target/target_core_cdb.c +++ b/drivers/target/target_core_cdb.c @@ -24,6 +24,7 @@ */ #include <linux/kernel.h> +#include <linux/ctype.h> #include <asm/unaligned.h> #include <scsi/scsi.h> @@ -154,6 +155,37 @@ target_emulate_evpd_80(struct se_cmd *cmd, unsigned char *buf) return 0; } +static void +target_parse_naa_6h_vendor_specific(struct se_device *dev, unsigned char *buf_off) +{ + unsigned char *p = &dev->se_sub_dev->t10_wwn.unit_serial[0]; + unsigned char *buf = buf_off; + int cnt = 0, next = 1; + /* + * Generate up to 36 bits of VENDOR SPECIFIC IDENTIFIER starting on + * byte 3 bit 3-0 for NAA IEEE Registered Extended DESIGNATOR field + * format, followed by 64 bits of VENDOR SPECIFIC IDENTIFIER EXTENSION + * to complete the payload. These are based from VPD=0x80 PRODUCT SERIAL + * NUMBER set via vpd_unit_serial in target_core_configfs.c to ensure + * per device uniqeness. + */ + while (*p != '\0') { + if (cnt >= 13) + break; + if (!isxdigit(*p)) { + p++; + continue; + } + if (next != 0) { + buf[cnt++] |= hex_to_bin(*p++); + next = 0; + } else { + buf[cnt] = hex_to_bin(*p++) << 4; + next = 1; + } + } +} + /* * Device identification VPD, for a complete list of * DESIGNATOR TYPEs see spc4r17 Table 459. @@ -219,8 +251,7 @@ target_emulate_evpd_83(struct se_cmd *cmd, unsigned char *buf) * VENDOR_SPECIFIC_IDENTIFIER and * VENDOR_SPECIFIC_IDENTIFIER_EXTENTION */ - buf[off++] |= hex_to_bin(dev->se_sub_dev->t10_wwn.unit_serial[0]); - hex2bin(&buf[off], &dev->se_sub_dev->t10_wwn.unit_serial[1], 12); + target_parse_naa_6h_vendor_specific(dev, &buf[off]); len = 20; off = (len + 4); diff --git a/drivers/target/target_core_transport.c b/drivers/target/target_core_transport.c index 8d0c58ea6316..a4b0a8d27f25 100644 --- a/drivers/target/target_core_transport.c +++ b/drivers/target/target_core_transport.c @@ -977,15 +977,17 @@ static void target_qf_do_work(struct work_struct *work) { struct se_device *dev = container_of(work, struct se_device, qf_work_queue); + LIST_HEAD(qf_cmd_list); struct se_cmd *cmd, *cmd_tmp; spin_lock_irq(&dev->qf_cmd_lock); - list_for_each_entry_safe(cmd, cmd_tmp, &dev->qf_cmd_list, se_qf_node) { + list_splice_init(&dev->qf_cmd_list, &qf_cmd_list); + spin_unlock_irq(&dev->qf_cmd_lock); + list_for_each_entry_safe(cmd, cmd_tmp, &qf_cmd_list, se_qf_node) { list_del(&cmd->se_qf_node); atomic_dec(&dev->dev_qf_count); smp_mb__after_atomic_dec(); - spin_unlock_irq(&dev->qf_cmd_lock); pr_debug("Processing %s cmd: %p QUEUE_FULL in work queue" " context: %s\n", cmd->se_tfo->get_fabric_name(), cmd, @@ -997,10 +999,7 @@ static void target_qf_do_work(struct work_struct *work) * has been added to head of queue */ transport_add_cmd_to_queue(cmd, cmd->t_state); - - spin_lock_irq(&dev->qf_cmd_lock); } - spin_unlock_irq(&dev->qf_cmd_lock); } unsigned char *transport_dump_cmd_direction(struct se_cmd *cmd) diff --git a/drivers/target/tcm_fc/tcm_fc.h b/drivers/target/tcm_fc/tcm_fc.h index bd4fe21a23b8..3749d8b4b423 100644 --- a/drivers/target/tcm_fc/tcm_fc.h +++ b/drivers/target/tcm_fc/tcm_fc.h @@ -98,8 +98,7 @@ struct ft_tpg { struct list_head list; /* linkage in ft_lport_acl tpg_list */ struct list_head lun_list; /* head of LUNs */ struct se_portal_group se_tpg; - struct task_struct *thread; /* processing thread */ - struct se_queue_obj qobj; /* queue for processing thread */ + struct workqueue_struct *workqueue; }; struct ft_lport_acl { @@ -110,16 +109,10 @@ struct ft_lport_acl { struct se_wwn fc_lport_wwn; }; -enum ft_cmd_state { - FC_CMD_ST_NEW = 0, - FC_CMD_ST_REJ -}; - /* * Commands */ struct ft_cmd { - enum ft_cmd_state state; u32 lun; /* LUN from request */ struct ft_sess *sess; /* session held for cmd */ struct fc_seq *seq; /* sequence in exchange mgr */ @@ -127,7 +120,7 @@ struct ft_cmd { struct fc_frame *req_frame; unsigned char *cdb; /* pointer to CDB inside frame */ u32 write_data_len; /* data received on writes */ - struct se_queue_req se_req; + struct work_struct work; /* Local sense buffer */ unsigned char ft_sense_buffer[TRANSPORT_SENSE_BUFFER]; u32 was_ddp_setup:1; /* Set only if ddp is setup */ @@ -177,7 +170,6 @@ int ft_is_state_remove(struct se_cmd *); /* * other internal functions. */ -int ft_thread(void *); void ft_recv_req(struct ft_sess *, struct fc_frame *); struct ft_tpg *ft_lport_find_tpg(struct fc_lport *); struct ft_node_acl *ft_acl_get(struct ft_tpg *, struct fc_rport_priv *); diff --git a/drivers/target/tcm_fc/tfc_cmd.c b/drivers/target/tcm_fc/tfc_cmd.c index 5654dc22f7ae..80fbcde00cb6 100644 --- a/drivers/target/tcm_fc/tfc_cmd.c +++ b/drivers/target/tcm_fc/tfc_cmd.c @@ -62,8 +62,8 @@ void ft_dump_cmd(struct ft_cmd *cmd, const char *caller) int count; se_cmd = &cmd->se_cmd; - pr_debug("%s: cmd %p state %d sess %p seq %p se_cmd %p\n", - caller, cmd, cmd->state, cmd->sess, cmd->seq, se_cmd); + pr_debug("%s: cmd %p sess %p seq %p se_cmd %p\n", + caller, cmd, cmd->sess, cmd->seq, se_cmd); pr_debug("%s: cmd %p cdb %p\n", caller, cmd, cmd->cdb); pr_debug("%s: cmd %p lun %d\n", caller, cmd, cmd->lun); @@ -90,38 +90,6 @@ void ft_dump_cmd(struct ft_cmd *cmd, const char *caller) 16, 4, cmd->cdb, MAX_COMMAND_SIZE, 0); } -static void ft_queue_cmd(struct ft_sess *sess, struct ft_cmd *cmd) -{ - struct ft_tpg *tpg = sess->tport->tpg; - struct se_queue_obj *qobj = &tpg->qobj; - unsigned long flags; - - qobj = &sess->tport->tpg->qobj; - spin_lock_irqsave(&qobj->cmd_queue_lock, flags); - list_add_tail(&cmd->se_req.qr_list, &qobj->qobj_list); - atomic_inc(&qobj->queue_cnt); - spin_unlock_irqrestore(&qobj->cmd_queue_lock, flags); - - wake_up_process(tpg->thread); -} - -static struct ft_cmd *ft_dequeue_cmd(struct se_queue_obj *qobj) -{ - unsigned long flags; - struct se_queue_req *qr; - - spin_lock_irqsave(&qobj->cmd_queue_lock, flags); - if (list_empty(&qobj->qobj_list)) { - spin_unlock_irqrestore(&qobj->cmd_queue_lock, flags); - return NULL; - } - qr = list_first_entry(&qobj->qobj_list, struct se_queue_req, qr_list); - list_del(&qr->qr_list); - atomic_dec(&qobj->queue_cnt); - spin_unlock_irqrestore(&qobj->cmd_queue_lock, flags); - return container_of(qr, struct ft_cmd, se_req); -} - static void ft_free_cmd(struct ft_cmd *cmd) { struct fc_frame *fp; @@ -282,9 +250,7 @@ u32 ft_get_task_tag(struct se_cmd *se_cmd) int ft_get_cmd_state(struct se_cmd *se_cmd) { - struct ft_cmd *cmd = container_of(se_cmd, struct ft_cmd, se_cmd); - - return cmd->state; + return 0; } int ft_is_state_remove(struct se_cmd *se_cmd) @@ -505,6 +471,8 @@ int ft_queue_tm_resp(struct se_cmd *se_cmd) return 0; } +static void ft_send_work(struct work_struct *work); + /* * Handle incoming FCP command. */ @@ -523,7 +491,9 @@ static void ft_recv_cmd(struct ft_sess *sess, struct fc_frame *fp) goto busy; } cmd->req_frame = fp; /* hold frame during cmd */ - ft_queue_cmd(sess, cmd); + + INIT_WORK(&cmd->work, ft_send_work); + queue_work(sess->tport->tpg->workqueue, &cmd->work); return; busy: @@ -563,12 +533,13 @@ void ft_recv_req(struct ft_sess *sess, struct fc_frame *fp) /* * Send new command to target. */ -static void ft_send_cmd(struct ft_cmd *cmd) +static void ft_send_work(struct work_struct *work) { + struct ft_cmd *cmd = container_of(work, struct ft_cmd, work); struct fc_frame_header *fh = fc_frame_header_get(cmd->req_frame); struct se_cmd *se_cmd; struct fcp_cmnd *fcp; - int data_dir; + int data_dir = 0; u32 data_len; int task_attr; int ret; @@ -675,42 +646,3 @@ static void ft_send_cmd(struct ft_cmd *cmd) err: ft_send_resp_code_and_free(cmd, FCP_CMND_FIELDS_INVALID); } - -/* - * Handle request in the command thread. - */ -static void ft_exec_req(struct ft_cmd *cmd) -{ - pr_debug("cmd state %x\n", cmd->state); - switch (cmd->state) { - case FC_CMD_ST_NEW: - ft_send_cmd(cmd); - break; - default: - break; - } -} - -/* - * Processing thread. - * Currently one thread per tpg. - */ -int ft_thread(void *arg) -{ - struct ft_tpg *tpg = arg; - struct se_queue_obj *qobj = &tpg->qobj; - struct ft_cmd *cmd; - - while (!kthread_should_stop()) { - schedule_timeout_interruptible(MAX_SCHEDULE_TIMEOUT); - if (kthread_should_stop()) - goto out; - - cmd = ft_dequeue_cmd(qobj); - if (cmd) - ft_exec_req(cmd); - } - -out: - return 0; -} diff --git a/drivers/target/tcm_fc/tfc_conf.c b/drivers/target/tcm_fc/tfc_conf.c index b15879d43e22..8fa39b74f22c 100644 --- a/drivers/target/tcm_fc/tfc_conf.c +++ b/drivers/target/tcm_fc/tfc_conf.c @@ -327,7 +327,6 @@ static struct se_portal_group *ft_add_tpg( tpg->index = index; tpg->lport_acl = lacl; INIT_LIST_HEAD(&tpg->lun_list); - transport_init_queue_obj(&tpg->qobj); ret = core_tpg_register(&ft_configfs->tf_ops, wwn, &tpg->se_tpg, tpg, TRANSPORT_TPG_TYPE_NORMAL); @@ -336,8 +335,8 @@ static struct se_portal_group *ft_add_tpg( return NULL; } - tpg->thread = kthread_run(ft_thread, tpg, "ft_tpg%lu", index); - if (IS_ERR(tpg->thread)) { + tpg->workqueue = alloc_workqueue("tcm_fc", 0, 1); + if (!tpg->workqueue) { kfree(tpg); return NULL; } @@ -356,7 +355,7 @@ static void ft_del_tpg(struct se_portal_group *se_tpg) pr_debug("del tpg %s\n", config_item_name(&tpg->se_tpg.tpg_group.cg_item)); - kthread_stop(tpg->thread); + destroy_workqueue(tpg->workqueue); /* Wait for sessions to be freed thru RCU, for BUG_ON below */ synchronize_rcu(); diff --git a/drivers/target/tcm_fc/tfc_io.c b/drivers/target/tcm_fc/tfc_io.c index c37f4cd96452..d35ea5a3d56c 100644 --- a/drivers/target/tcm_fc/tfc_io.c +++ b/drivers/target/tcm_fc/tfc_io.c @@ -219,43 +219,41 @@ void ft_recv_write_data(struct ft_cmd *cmd, struct fc_frame *fp) if (cmd->was_ddp_setup) { BUG_ON(!ep); BUG_ON(!lport); - } - - /* - * Doesn't expect payload if DDP is setup. Payload - * is expected to be copied directly to user buffers - * due to DDP (Large Rx offload), - */ - buf = fc_frame_payload_get(fp, 1); - if (buf) - pr_err("%s: xid 0x%x, f_ctl 0x%x, cmd->sg %p, " + /* + * Since DDP (Large Rx offload) was setup for this request, + * payload is expected to be copied directly to user buffers. + */ + buf = fc_frame_payload_get(fp, 1); + if (buf) + pr_err("%s: xid 0x%x, f_ctl 0x%x, cmd->sg %p, " "cmd->sg_cnt 0x%x. DDP was setup" " hence not expected to receive frame with " - "payload, Frame will be dropped if " - "'Sequence Initiative' bit in f_ctl is " + "payload, Frame will be dropped if" + "'Sequence Initiative' bit in f_ctl is" "not set\n", __func__, ep->xid, f_ctl, cmd->sg, cmd->sg_cnt); - /* - * Invalidate HW DDP context if it was setup for respective - * command. Invalidation of HW DDP context is requited in both - * situation (success and error). - */ - ft_invl_hw_context(cmd); + /* + * Invalidate HW DDP context if it was setup for respective + * command. Invalidation of HW DDP context is requited in both + * situation (success and error). + */ + ft_invl_hw_context(cmd); - /* - * If "Sequence Initiative (TSI)" bit set in f_ctl, means last - * write data frame is received successfully where payload is - * posted directly to user buffer and only the last frame's - * header is posted in receive queue. - * - * If "Sequence Initiative (TSI)" bit is not set, means error - * condition w.r.t. DDP, hence drop the packet and let explict - * ABORTS from other end of exchange timer trigger the recovery. - */ - if (f_ctl & FC_FC_SEQ_INIT) - goto last_frame; - else - goto drop; + /* + * If "Sequence Initiative (TSI)" bit set in f_ctl, means last + * write data frame is received successfully where payload is + * posted directly to user buffer and only the last frame's + * header is posted in receive queue. + * + * If "Sequence Initiative (TSI)" bit is not set, means error + * condition w.r.t. DDP, hence drop the packet and let explict + * ABORTS from other end of exchange timer trigger the recovery. + */ + if (f_ctl & FC_FC_SEQ_INIT) + goto last_frame; + else + goto drop; + } rel_off = ntohl(fh->fh_parm_offset); frame_len = fr_len(fp); diff --git a/drivers/tty/serial/crisv10.c b/drivers/tty/serial/crisv10.c index 225123b37f19..58be715913cd 100644 --- a/drivers/tty/serial/crisv10.c +++ b/drivers/tty/serial/crisv10.c @@ -4450,7 +4450,7 @@ static int __init rs_init(void) #if defined(CONFIG_ETRAX_RS485) #if defined(CONFIG_ETRAX_RS485_ON_PA) - if (cris_io_interface_allocate_pins(if_ser0, 'a', rs485_pa_bit, + if (cris_io_interface_allocate_pins(if_serial_0, 'a', rs485_pa_bit, rs485_pa_bit)) { printk(KERN_CRIT "ETRAX100LX serial: Could not allocate " "RS485 pin\n"); @@ -4459,7 +4459,7 @@ static int __init rs_init(void) } #endif #if defined(CONFIG_ETRAX_RS485_ON_PORT_G) - if (cris_io_interface_allocate_pins(if_ser0, 'g', rs485_pa_bit, + if (cris_io_interface_allocate_pins(if_serial_0, 'g', rs485_pa_bit, rs485_port_g_bit)) { printk(KERN_CRIT "ETRAX100LX serial: Could not allocate " "RS485 pin\n"); diff --git a/drivers/usb/host/xhci-hub.c b/drivers/usb/host/xhci-hub.c index 1e96d1f1fe6b..723f8231193d 100644 --- a/drivers/usb/host/xhci-hub.c +++ b/drivers/usb/host/xhci-hub.c @@ -761,7 +761,7 @@ int xhci_hub_status_data(struct usb_hcd *hcd, char *buf) memset(buf, 0, retval); status = 0; - mask = PORT_CSC | PORT_PEC | PORT_OCC | PORT_PLC; + mask = PORT_CSC | PORT_PEC | PORT_OCC | PORT_PLC | PORT_WRC; spin_lock_irqsave(&xhci->lock, flags); /* For each port, did anything change? If so, set that bit in buf. */ diff --git a/drivers/usb/host/xhci-ring.c b/drivers/usb/host/xhci-ring.c index 54139a2f06ce..952e2ded61af 100644 --- a/drivers/usb/host/xhci-ring.c +++ b/drivers/usb/host/xhci-ring.c @@ -1934,8 +1934,10 @@ static int handle_tx_event(struct xhci_hcd *xhci, int status = -EINPROGRESS; struct urb_priv *urb_priv; struct xhci_ep_ctx *ep_ctx; + struct list_head *tmp; u32 trb_comp_code; int ret = 0; + int td_num = 0; slot_id = TRB_TO_SLOT_ID(le32_to_cpu(event->flags)); xdev = xhci->devs[slot_id]; @@ -1957,6 +1959,12 @@ static int handle_tx_event(struct xhci_hcd *xhci, return -ENODEV; } + /* Count current td numbers if ep->skip is set */ + if (ep->skip) { + list_for_each(tmp, &ep_ring->td_list) + td_num++; + } + event_dma = le64_to_cpu(event->buffer); trb_comp_code = GET_COMP_CODE(le32_to_cpu(event->transfer_len)); /* Look for common error cases */ @@ -2068,7 +2076,18 @@ static int handle_tx_event(struct xhci_hcd *xhci, goto cleanup; } + /* We've skipped all the TDs on the ep ring when ep->skip set */ + if (ep->skip && td_num == 0) { + ep->skip = false; + xhci_dbg(xhci, "All tds on the ep_ring skipped. " + "Clear skip flag.\n"); + ret = 0; + goto cleanup; + } + td = list_entry(ep_ring->td_list.next, struct xhci_td, td_list); + if (ep->skip) + td_num--; /* Is this a TRB in the currently executing TD? */ event_seg = trb_in_td(ep_ring->deq_seg, ep_ring->dequeue, diff --git a/drivers/watchdog/hpwdt.c b/drivers/watchdog/hpwdt.c index 410fba45378d..809cbda03d7a 100644 --- a/drivers/watchdog/hpwdt.c +++ b/drivers/watchdog/hpwdt.c @@ -494,15 +494,16 @@ static int hpwdt_pretimeout(struct notifier_block *nb, unsigned long ulReason, asminline_call(&cmn_regs, cru_rom_addr); die_nmi_called = 1; spin_unlock_irqrestore(&rom_lock, rom_pl); + + if (allow_kdump) + hpwdt_stop(); + if (!is_icru) { if (cmn_regs.u1.ral == 0) { - printk(KERN_WARNING "hpwdt: An NMI occurred, " + panic("An NMI occurred, " "but unable to determine source.\n"); } } - - if (allow_kdump) - hpwdt_stop(); panic("An NMI occurred, please see the Integrated " "Management Log for details.\n"); diff --git a/drivers/watchdog/lantiq_wdt.c b/drivers/watchdog/lantiq_wdt.c index 7d82adac1cb2..102aed0efbf1 100644 --- a/drivers/watchdog/lantiq_wdt.c +++ b/drivers/watchdog/lantiq_wdt.c @@ -51,16 +51,16 @@ static int ltq_wdt_ok_to_close; static void ltq_wdt_enable(void) { - ltq_wdt_timeout = ltq_wdt_timeout * + unsigned long int timeout = ltq_wdt_timeout * (ltq_io_region_clk_rate / LTQ_WDT_DIVIDER) + 0x1000; - if (ltq_wdt_timeout > LTQ_MAX_TIMEOUT) - ltq_wdt_timeout = LTQ_MAX_TIMEOUT; + if (timeout > LTQ_MAX_TIMEOUT) + timeout = LTQ_MAX_TIMEOUT; /* write the first password magic */ ltq_w32(LTQ_WDT_PW1, ltq_wdt_membase + LTQ_WDT_CR); /* write the second magic plus the configuration and new timeout */ ltq_w32(LTQ_WDT_SR_EN | LTQ_WDT_SR_PWD | LTQ_WDT_SR_CLKDIV | - LTQ_WDT_PW2 | ltq_wdt_timeout, ltq_wdt_membase + LTQ_WDT_CR); + LTQ_WDT_PW2 | timeout, ltq_wdt_membase + LTQ_WDT_CR); } static void diff --git a/drivers/watchdog/sbc_epx_c3.c b/drivers/watchdog/sbc_epx_c3.c index 3066a5127ca8..eaca366b7234 100644 --- a/drivers/watchdog/sbc_epx_c3.c +++ b/drivers/watchdog/sbc_epx_c3.c @@ -173,7 +173,7 @@ static struct notifier_block epx_c3_notifier = { .notifier_call = epx_c3_notify_sys, }; -static const char banner[] __initdata = KERN_INFO PFX +static const char banner[] __initconst = KERN_INFO PFX "Hardware Watchdog Timer for Winsystems EPX-C3 SBC: 0.1\n"; static int __init watchdog_init(void) diff --git a/drivers/watchdog/watchdog_dev.c b/drivers/watchdog/watchdog_dev.c index d33520d0b4c9..1199da0f98cf 100644 --- a/drivers/watchdog/watchdog_dev.c +++ b/drivers/watchdog/watchdog_dev.c @@ -59,7 +59,7 @@ static struct watchdog_device *wdd; static int watchdog_ping(struct watchdog_device *wddev) { - if (test_bit(WDOG_ACTIVE, &wdd->status)) { + if (test_bit(WDOG_ACTIVE, &wddev->status)) { if (wddev->ops->ping) return wddev->ops->ping(wddev); /* ping the watchdog */ else @@ -81,12 +81,12 @@ static int watchdog_start(struct watchdog_device *wddev) { int err; - if (!test_bit(WDOG_ACTIVE, &wdd->status)) { + if (!test_bit(WDOG_ACTIVE, &wddev->status)) { err = wddev->ops->start(wddev); if (err < 0) return err; - set_bit(WDOG_ACTIVE, &wdd->status); + set_bit(WDOG_ACTIVE, &wddev->status); } return 0; } @@ -105,18 +105,18 @@ static int watchdog_stop(struct watchdog_device *wddev) { int err = -EBUSY; - if (test_bit(WDOG_NO_WAY_OUT, &wdd->status)) { + if (test_bit(WDOG_NO_WAY_OUT, &wddev->status)) { pr_info("%s: nowayout prevents watchdog to be stopped!\n", - wdd->info->identity); + wddev->info->identity); return err; } - if (test_bit(WDOG_ACTIVE, &wdd->status)) { + if (test_bit(WDOG_ACTIVE, &wddev->status)) { err = wddev->ops->stop(wddev); if (err < 0) return err; - clear_bit(WDOG_ACTIVE, &wdd->status); + clear_bit(WDOG_ACTIVE, &wddev->status); } return 0; } diff --git a/drivers/xen/events.c b/drivers/xen/events.c index da70f5c32eb9..7523719bf8a4 100644 --- a/drivers/xen/events.c +++ b/drivers/xen/events.c @@ -54,7 +54,7 @@ * This lock protects updates to the following mapping and reference-count * arrays. The lock does not need to be acquired to read the mapping tables. */ -static DEFINE_SPINLOCK(irq_mapping_update_lock); +static DEFINE_MUTEX(irq_mapping_update_lock); static LIST_HEAD(xen_irq_list_head); @@ -631,7 +631,7 @@ int xen_bind_pirq_gsi_to_irq(unsigned gsi, int irq = -1; struct physdev_irq irq_op; - spin_lock(&irq_mapping_update_lock); + mutex_lock(&irq_mapping_update_lock); irq = find_irq_by_gsi(gsi); if (irq != -1) { @@ -684,7 +684,7 @@ int xen_bind_pirq_gsi_to_irq(unsigned gsi, handle_edge_irq, name); out: - spin_unlock(&irq_mapping_update_lock); + mutex_unlock(&irq_mapping_update_lock); return irq; } @@ -710,7 +710,7 @@ int xen_bind_pirq_msi_to_irq(struct pci_dev *dev, struct msi_desc *msidesc, { int irq, ret; - spin_lock(&irq_mapping_update_lock); + mutex_lock(&irq_mapping_update_lock); irq = xen_allocate_irq_dynamic(); if (irq == -1) @@ -724,10 +724,10 @@ int xen_bind_pirq_msi_to_irq(struct pci_dev *dev, struct msi_desc *msidesc, if (ret < 0) goto error_irq; out: - spin_unlock(&irq_mapping_update_lock); + mutex_unlock(&irq_mapping_update_lock); return irq; error_irq: - spin_unlock(&irq_mapping_update_lock); + mutex_unlock(&irq_mapping_update_lock); xen_free_irq(irq); return -1; } @@ -740,7 +740,7 @@ int xen_destroy_irq(int irq) struct irq_info *info = info_for_irq(irq); int rc = -ENOENT; - spin_lock(&irq_mapping_update_lock); + mutex_lock(&irq_mapping_update_lock); desc = irq_to_desc(irq); if (!desc) @@ -766,7 +766,7 @@ int xen_destroy_irq(int irq) xen_free_irq(irq); out: - spin_unlock(&irq_mapping_update_lock); + mutex_unlock(&irq_mapping_update_lock); return rc; } @@ -776,7 +776,7 @@ int xen_irq_from_pirq(unsigned pirq) struct irq_info *info; - spin_lock(&irq_mapping_update_lock); + mutex_lock(&irq_mapping_update_lock); list_for_each_entry(info, &xen_irq_list_head, list) { if (info == NULL || info->type != IRQT_PIRQ) @@ -787,7 +787,7 @@ int xen_irq_from_pirq(unsigned pirq) } irq = -1; out: - spin_unlock(&irq_mapping_update_lock); + mutex_unlock(&irq_mapping_update_lock); return irq; } @@ -802,7 +802,7 @@ int bind_evtchn_to_irq(unsigned int evtchn) { int irq; - spin_lock(&irq_mapping_update_lock); + mutex_lock(&irq_mapping_update_lock); irq = evtchn_to_irq[evtchn]; @@ -818,7 +818,7 @@ int bind_evtchn_to_irq(unsigned int evtchn) } out: - spin_unlock(&irq_mapping_update_lock); + mutex_unlock(&irq_mapping_update_lock); return irq; } @@ -829,7 +829,7 @@ static int bind_ipi_to_irq(unsigned int ipi, unsigned int cpu) struct evtchn_bind_ipi bind_ipi; int evtchn, irq; - spin_lock(&irq_mapping_update_lock); + mutex_lock(&irq_mapping_update_lock); irq = per_cpu(ipi_to_irq, cpu)[ipi]; @@ -853,7 +853,7 @@ static int bind_ipi_to_irq(unsigned int ipi, unsigned int cpu) } out: - spin_unlock(&irq_mapping_update_lock); + mutex_unlock(&irq_mapping_update_lock); return irq; } @@ -878,7 +878,7 @@ int bind_virq_to_irq(unsigned int virq, unsigned int cpu) struct evtchn_bind_virq bind_virq; int evtchn, irq; - spin_lock(&irq_mapping_update_lock); + mutex_lock(&irq_mapping_update_lock); irq = per_cpu(virq_to_irq, cpu)[virq]; @@ -903,7 +903,7 @@ int bind_virq_to_irq(unsigned int virq, unsigned int cpu) } out: - spin_unlock(&irq_mapping_update_lock); + mutex_unlock(&irq_mapping_update_lock); return irq; } @@ -913,7 +913,7 @@ static void unbind_from_irq(unsigned int irq) struct evtchn_close close; int evtchn = evtchn_from_irq(irq); - spin_lock(&irq_mapping_update_lock); + mutex_lock(&irq_mapping_update_lock); if (VALID_EVTCHN(evtchn)) { close.port = evtchn; @@ -943,7 +943,7 @@ static void unbind_from_irq(unsigned int irq) xen_free_irq(irq); - spin_unlock(&irq_mapping_update_lock); + mutex_unlock(&irq_mapping_update_lock); } int bind_evtchn_to_irqhandler(unsigned int evtchn, @@ -1279,7 +1279,7 @@ void rebind_evtchn_irq(int evtchn, int irq) will also be masked. */ disable_irq(irq); - spin_lock(&irq_mapping_update_lock); + mutex_lock(&irq_mapping_update_lock); /* After resume the irq<->evtchn mappings are all cleared out */ BUG_ON(evtchn_to_irq[evtchn] != -1); @@ -1289,7 +1289,7 @@ void rebind_evtchn_irq(int evtchn, int irq) xen_irq_info_evtchn_init(irq, evtchn); - spin_unlock(&irq_mapping_update_lock); + mutex_unlock(&irq_mapping_update_lock); /* new event channels are always bound to cpu 0 */ irq_set_affinity(irq, cpumask_of(0)); diff --git a/drivers/zorro/zorro.c b/drivers/zorro/zorro.c index e0c2807b0970..181fa8158a8b 100644 --- a/drivers/zorro/zorro.c +++ b/drivers/zorro/zorro.c @@ -148,10 +148,10 @@ static int __init amiga_zorro_probe(struct platform_device *pdev) } platform_set_drvdata(pdev, bus); - /* Register all devices */ pr_info("Zorro: Probing AutoConfig expansion devices: %u device%s\n", zorro_num_autocon, zorro_num_autocon == 1 ? "" : "s"); + /* First identify all devices ... */ for (i = 0; i < zorro_num_autocon; i++) { z = &zorro_autocon[i]; z->id = (z->rom.er_Manufacturer<<16) | (z->rom.er_Product<<8); @@ -172,6 +172,11 @@ static int __init amiga_zorro_probe(struct platform_device *pdev) dev_set_name(&z->dev, "%02x", i); z->dev.parent = &bus->dev; z->dev.bus = &zorro_bus_type; + } + + /* ... then register them */ + for (i = 0; i < zorro_num_autocon; i++) { + z = &zorro_autocon[i]; error = device_register(&z->dev); if (error) { dev_err(&bus->dev, "Error registering device %s\n", diff --git a/fs/btrfs/file.c b/fs/btrfs/file.c index 3c3abff731a7..a381cd22f518 100644 --- a/fs/btrfs/file.c +++ b/fs/btrfs/file.c @@ -1817,6 +1817,11 @@ static loff_t btrfs_file_llseek(struct file *file, loff_t offset, int origin) goto out; case SEEK_DATA: case SEEK_HOLE: + if (offset >= i_size_read(inode)) { + mutex_unlock(&inode->i_mutex); + return -ENXIO; + } + ret = find_desired_extent(inode, &offset, origin); if (ret) { mutex_unlock(&inode->i_mutex); @@ -1825,11 +1830,11 @@ static loff_t btrfs_file_llseek(struct file *file, loff_t offset, int origin) } if (offset < 0 && !(file->f_mode & FMODE_UNSIGNED_OFFSET)) { - ret = -EINVAL; + offset = -EINVAL; goto out; } if (offset > inode->i_sb->s_maxbytes) { - ret = -EINVAL; + offset = -EINVAL; goto out; } diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c index 4d14de6d121b..b2d004ad66a0 100644 --- a/fs/btrfs/inode.c +++ b/fs/btrfs/inode.c @@ -4018,7 +4018,8 @@ struct inode *btrfs_lookup_dentry(struct inode *dir, struct dentry *dentry) memcpy(&location, dentry->d_fsdata, sizeof(struct btrfs_key)); kfree(dentry->d_fsdata); dentry->d_fsdata = NULL; - d_clear_need_lookup(dentry); + /* This thing is hashed, drop it for now */ + d_drop(dentry); } else { ret = btrfs_inode_by_name(dir, dentry, &location); } @@ -4085,7 +4086,15 @@ static void btrfs_dentry_release(struct dentry *dentry) static struct dentry *btrfs_lookup(struct inode *dir, struct dentry *dentry, struct nameidata *nd) { - return d_splice_alias(btrfs_lookup_dentry(dir, dentry), dentry); + struct dentry *ret; + + ret = d_splice_alias(btrfs_lookup_dentry(dir, dentry), dentry); + if (unlikely(d_need_lookup(dentry))) { + spin_lock(&dentry->d_lock); + dentry->d_flags &= ~DCACHE_NEED_LOOKUP; + spin_unlock(&dentry->d_lock); + } + return ret; } unsigned char btrfs_filetype_table[] = { @@ -4125,7 +4134,8 @@ static int btrfs_real_readdir(struct file *filp, void *dirent, /* special case for "." */ if (filp->f_pos == 0) { - over = filldir(dirent, ".", 1, 1, btrfs_ino(inode), DT_DIR); + over = filldir(dirent, ".", 1, + filp->f_pos, btrfs_ino(inode), DT_DIR); if (over) return 0; filp->f_pos = 1; @@ -4134,7 +4144,7 @@ static int btrfs_real_readdir(struct file *filp, void *dirent, if (filp->f_pos == 1) { u64 pino = parent_ino(filp->f_path.dentry); over = filldir(dirent, "..", 2, - 2, pino, DT_DIR); + filp->f_pos, pino, DT_DIR); if (over) return 0; filp->f_pos = 2; diff --git a/fs/btrfs/ioctl.c b/fs/btrfs/ioctl.c index 3351b1b24574..538f65a79ec5 100644 --- a/fs/btrfs/ioctl.c +++ b/fs/btrfs/ioctl.c @@ -2177,6 +2177,11 @@ static noinline long btrfs_ioctl_clone(struct file *file, unsigned long srcfd, if (!(src_file->f_mode & FMODE_READ)) goto out_fput; + /* don't make the dst file partly checksummed */ + if ((BTRFS_I(src)->flags & BTRFS_INODE_NODATASUM) != + (BTRFS_I(inode)->flags & BTRFS_INODE_NODATASUM)) + goto out_fput; + ret = -EISDIR; if (S_ISDIR(src->i_mode) || S_ISDIR(inode->i_mode)) goto out_fput; @@ -2226,6 +2231,10 @@ static noinline long btrfs_ioctl_clone(struct file *file, unsigned long srcfd, goto out_unlock; } + /* truncate page cache pages from target inode range */ + truncate_inode_pages_range(&inode->i_data, destoff, + PAGE_CACHE_ALIGN(destoff + len) - 1); + /* do any pending delalloc/csum calc on src, one way or another, and lock file content */ while (1) { @@ -2242,10 +2251,6 @@ static noinline long btrfs_ioctl_clone(struct file *file, unsigned long srcfd, btrfs_wait_ordered_range(src, off, len); } - /* truncate page cache pages from target inode range */ - truncate_inode_pages_range(&inode->i_data, off, - ALIGN(off + len, PAGE_CACHE_SIZE) - 1); - /* clone data */ key.objectid = btrfs_ino(src); key.type = BTRFS_EXTENT_DATA_KEY; @@ -2323,7 +2328,12 @@ static noinline long btrfs_ioctl_clone(struct file *file, unsigned long srcfd, else new_key.offset = destoff; - trans = btrfs_start_transaction(root, 1); + /* + * 1 - adjusting old extent (we may have to split it) + * 1 - add new extent + * 1 - inode update + */ + trans = btrfs_start_transaction(root, 3); if (IS_ERR(trans)) { ret = PTR_ERR(trans); goto out; @@ -2442,7 +2452,6 @@ static noinline long btrfs_ioctl_clone(struct file *file, unsigned long srcfd, if (endoff > inode->i_size) btrfs_i_size_write(inode, endoff); - BTRFS_I(inode)->flags = BTRFS_I(src)->flags; ret = btrfs_update_inode(trans, root, inode); BUG_ON(ret); btrfs_end_transaction(trans, root); diff --git a/fs/cifs/cifsencrypt.c b/fs/cifs/cifsencrypt.c index e76bfeb68267..30acd22147e1 100644 --- a/fs/cifs/cifsencrypt.c +++ b/fs/cifs/cifsencrypt.c @@ -351,9 +351,7 @@ static int build_avpair_blob(struct cifs_ses *ses, const struct nls_table *nls_cp) { unsigned int dlen; - unsigned int wlen; - unsigned int size = 6 * sizeof(struct ntlmssp2_name); - __le64 curtime; + unsigned int size = 2 * sizeof(struct ntlmssp2_name); char *defdmname = "WORKGROUP"; unsigned char *blobptr; struct ntlmssp2_name *attrptr; @@ -365,15 +363,14 @@ build_avpair_blob(struct cifs_ses *ses, const struct nls_table *nls_cp) } dlen = strlen(ses->domainName); - wlen = strlen(ses->server->hostname); - /* The length of this blob is a size which is - * six times the size of a structure which holds name/size + - * two times the unicode length of a domain name + - * two times the unicode length of a server name + - * size of a timestamp (which is 8 bytes). + /* + * The length of this blob is two times the size of a + * structure (av pair) which holds name/size + * ( for NTLMSSP_AV_NB_DOMAIN_NAME followed by NTLMSSP_AV_EOL ) + + * unicode length of a netbios domain name */ - ses->auth_key.len = size + 2 * (2 * dlen) + 2 * (2 * wlen) + 8; + ses->auth_key.len = size + 2 * dlen; ses->auth_key.response = kzalloc(ses->auth_key.len, GFP_KERNEL); if (!ses->auth_key.response) { ses->auth_key.len = 0; @@ -384,44 +381,15 @@ build_avpair_blob(struct cifs_ses *ses, const struct nls_table *nls_cp) blobptr = ses->auth_key.response; attrptr = (struct ntlmssp2_name *) blobptr; + /* + * As defined in MS-NTLM 3.3.2, just this av pair field + * is sufficient as part of the temp + */ attrptr->type = cpu_to_le16(NTLMSSP_AV_NB_DOMAIN_NAME); attrptr->length = cpu_to_le16(2 * dlen); blobptr = (unsigned char *)attrptr + sizeof(struct ntlmssp2_name); cifs_strtoUCS((__le16 *)blobptr, ses->domainName, dlen, nls_cp); - blobptr += 2 * dlen; - attrptr = (struct ntlmssp2_name *) blobptr; - - attrptr->type = cpu_to_le16(NTLMSSP_AV_NB_COMPUTER_NAME); - attrptr->length = cpu_to_le16(2 * wlen); - blobptr = (unsigned char *)attrptr + sizeof(struct ntlmssp2_name); - cifs_strtoUCS((__le16 *)blobptr, ses->server->hostname, wlen, nls_cp); - - blobptr += 2 * wlen; - attrptr = (struct ntlmssp2_name *) blobptr; - - attrptr->type = cpu_to_le16(NTLMSSP_AV_DNS_DOMAIN_NAME); - attrptr->length = cpu_to_le16(2 * dlen); - blobptr = (unsigned char *)attrptr + sizeof(struct ntlmssp2_name); - cifs_strtoUCS((__le16 *)blobptr, ses->domainName, dlen, nls_cp); - - blobptr += 2 * dlen; - attrptr = (struct ntlmssp2_name *) blobptr; - - attrptr->type = cpu_to_le16(NTLMSSP_AV_DNS_COMPUTER_NAME); - attrptr->length = cpu_to_le16(2 * wlen); - blobptr = (unsigned char *)attrptr + sizeof(struct ntlmssp2_name); - cifs_strtoUCS((__le16 *)blobptr, ses->server->hostname, wlen, nls_cp); - - blobptr += 2 * wlen; - attrptr = (struct ntlmssp2_name *) blobptr; - - attrptr->type = cpu_to_le16(NTLMSSP_AV_TIMESTAMP); - attrptr->length = cpu_to_le16(sizeof(__le64)); - blobptr = (unsigned char *)attrptr + sizeof(struct ntlmssp2_name); - curtime = cpu_to_le64(cifs_UnixTimeToNT(CURRENT_TIME)); - memcpy(blobptr, &curtime, sizeof(__le64)); - return 0; } diff --git a/fs/cifs/cifsfs.c b/fs/cifs/cifsfs.c index f93eb948d071..54b8f1e7da94 100644 --- a/fs/cifs/cifsfs.c +++ b/fs/cifs/cifsfs.c @@ -548,6 +548,12 @@ cifs_get_root(struct smb_vol *vol, struct super_block *sb) struct inode *dir = dentry->d_inode; struct dentry *child; + if (!dir) { + dput(dentry); + dentry = ERR_PTR(-ENOENT); + break; + } + /* skip separators */ while (*s == sep) s++; @@ -563,10 +569,6 @@ cifs_get_root(struct smb_vol *vol, struct super_block *sb) mutex_unlock(&dir->i_mutex); dput(dentry); dentry = child; - if (!dentry->d_inode) { - dput(dentry); - dentry = ERR_PTR(-ENOENT); - } } while (!IS_ERR(dentry)); _FreeXid(xid); kfree(full_path); diff --git a/fs/cifs/cifssmb.c b/fs/cifs/cifssmb.c index aac37d99a487..a80f7bd97b90 100644 --- a/fs/cifs/cifssmb.c +++ b/fs/cifs/cifssmb.c @@ -4079,7 +4079,8 @@ int CIFSFindNext(const int xid, struct cifs_tcon *tcon, T2_FNEXT_RSP_PARMS *parms; char *response_data; int rc = 0; - int bytes_returned, name_len; + int bytes_returned; + unsigned int name_len; __u16 params, byte_count; cFYI(1, "In FindNext"); diff --git a/fs/cifs/connect.c b/fs/cifs/connect.c index 633c246b6775..f4af4cc37500 100644 --- a/fs/cifs/connect.c +++ b/fs/cifs/connect.c @@ -1298,7 +1298,7 @@ cifs_parse_mount_options(const char *mountdata, const char *devname, /* ignore */ } else if (strnicmp(data, "guest", 5) == 0) { /* ignore */ - } else if (strnicmp(data, "rw", 2) == 0) { + } else if (strnicmp(data, "rw", 2) == 0 && strlen(data) == 2) { /* ignore */ } else if (strnicmp(data, "ro", 2) == 0) { /* ignore */ @@ -1401,7 +1401,7 @@ cifs_parse_mount_options(const char *mountdata, const char *devname, vol->server_ino = 1; } else if (strnicmp(data, "noserverino", 9) == 0) { vol->server_ino = 0; - } else if (strnicmp(data, "rwpidforward", 4) == 0) { + } else if (strnicmp(data, "rwpidforward", 12) == 0) { vol->rwpidforward = 1; } else if (strnicmp(data, "cifsacl", 7) == 0) { vol->cifs_acl = 1; diff --git a/fs/ext3/inode.c b/fs/ext3/inode.c index 04da6acde85d..12661e1deedd 100644 --- a/fs/ext3/inode.c +++ b/fs/ext3/inode.c @@ -1134,7 +1134,7 @@ struct buffer_head *ext3_bread(handle_t *handle, struct inode *inode, return bh; if (buffer_uptodate(bh)) return bh; - ll_rw_block(READ_META, 1, &bh); + ll_rw_block(READ | REQ_META | REQ_PRIO, 1, &bh); wait_on_buffer(bh); if (buffer_uptodate(bh)) return bh; @@ -2807,7 +2807,7 @@ make_io: trace_ext3_load_inode(inode); get_bh(bh); bh->b_end_io = end_buffer_read_sync; - submit_bh(READ_META, bh); + submit_bh(READ | REQ_META | REQ_PRIO, bh); wait_on_buffer(bh); if (!buffer_uptodate(bh)) { ext3_error(inode->i_sb, "ext3_get_inode_loc", diff --git a/fs/ext3/namei.c b/fs/ext3/namei.c index 5571708b6a58..0629e09f6511 100644 --- a/fs/ext3/namei.c +++ b/fs/ext3/namei.c @@ -922,7 +922,8 @@ restart: bh = ext3_getblk(NULL, dir, b++, 0, &err); bh_use[ra_max] = bh; if (bh) - ll_rw_block(READ_META, 1, &bh); + ll_rw_block(READ | REQ_META | REQ_PRIO, + 1, &bh); } } if ((bh = bh_use[ra_ptr++]) == NULL) diff --git a/fs/ext4/inode.c b/fs/ext4/inode.c index 18d2558b7624..986e2388f031 100644 --- a/fs/ext4/inode.c +++ b/fs/ext4/inode.c @@ -647,7 +647,7 @@ struct buffer_head *ext4_bread(handle_t *handle, struct inode *inode, return bh; if (buffer_uptodate(bh)) return bh; - ll_rw_block(READ_META, 1, &bh); + ll_rw_block(READ | REQ_META | REQ_PRIO, 1, &bh); wait_on_buffer(bh); if (buffer_uptodate(bh)) return bh; @@ -3298,7 +3298,7 @@ make_io: trace_ext4_load_inode(inode); get_bh(bh); bh->b_end_io = end_buffer_read_sync; - submit_bh(READ_META, bh); + submit_bh(READ | REQ_META | REQ_PRIO, bh); wait_on_buffer(bh); if (!buffer_uptodate(bh)) { EXT4_ERROR_INODE_BLOCK(inode, block, diff --git a/fs/ext4/namei.c b/fs/ext4/namei.c index f8068c7bae9f..1c924faeb6c8 100644 --- a/fs/ext4/namei.c +++ b/fs/ext4/namei.c @@ -922,7 +922,8 @@ restart: bh = ext4_getblk(NULL, dir, b++, 0, &err); bh_use[ra_max] = bh; if (bh) - ll_rw_block(READ_META, 1, &bh); + ll_rw_block(READ | REQ_META | REQ_PRIO, + 1, &bh); } } if ((bh = bh_use[ra_ptr++]) == NULL) diff --git a/fs/gfs2/log.c b/fs/gfs2/log.c index 85c62923ee29..598646434362 100644 --- a/fs/gfs2/log.c +++ b/fs/gfs2/log.c @@ -624,9 +624,9 @@ static void log_write_header(struct gfs2_sbd *sdp, u32 flags, int pull) bh->b_end_io = end_buffer_write_sync; get_bh(bh); if (test_bit(SDF_NOBARRIERS, &sdp->sd_flags)) - submit_bh(WRITE_SYNC | REQ_META, bh); + submit_bh(WRITE_SYNC | REQ_META | REQ_PRIO, bh); else - submit_bh(WRITE_FLUSH_FUA | REQ_META, bh); + submit_bh(WRITE_FLUSH_FUA | REQ_META | REQ_PRIO, bh); wait_on_buffer(bh); if (!buffer_uptodate(bh)) diff --git a/fs/gfs2/meta_io.c b/fs/gfs2/meta_io.c index 747238cd9f96..be29858900f6 100644 --- a/fs/gfs2/meta_io.c +++ b/fs/gfs2/meta_io.c @@ -37,7 +37,7 @@ static int gfs2_aspace_writepage(struct page *page, struct writeback_control *wb { struct buffer_head *bh, *head; int nr_underway = 0; - int write_op = REQ_META | + int write_op = REQ_META | REQ_PRIO | (wbc->sync_mode == WB_SYNC_ALL ? WRITE_SYNC : WRITE); BUG_ON(!PageLocked(page)); @@ -225,7 +225,7 @@ int gfs2_meta_read(struct gfs2_glock *gl, u64 blkno, int flags, } bh->b_end_io = end_buffer_read_sync; get_bh(bh); - submit_bh(READ_SYNC | REQ_META, bh); + submit_bh(READ_SYNC | REQ_META | REQ_PRIO, bh); if (!(flags & DIO_WAIT)) return 0; @@ -435,7 +435,7 @@ struct buffer_head *gfs2_meta_ra(struct gfs2_glock *gl, u64 dblock, u32 extlen) if (buffer_uptodate(first_bh)) goto out; if (!buffer_locked(first_bh)) - ll_rw_block(READ_SYNC | REQ_META, 1, &first_bh); + ll_rw_block(READ_SYNC | REQ_META | REQ_PRIO, 1, &first_bh); dblock++; extlen--; diff --git a/fs/gfs2/ops_fstype.c b/fs/gfs2/ops_fstype.c index 3bc073a4cf82..079587e53849 100644 --- a/fs/gfs2/ops_fstype.c +++ b/fs/gfs2/ops_fstype.c @@ -224,7 +224,7 @@ static int gfs2_read_super(struct gfs2_sbd *sdp, sector_t sector, int silent) bio->bi_end_io = end_bio_io_page; bio->bi_private = page; - submit_bio(READ_SYNC | REQ_META, bio); + submit_bio(READ_SYNC | REQ_META | REQ_PRIO, bio); wait_on_page_locked(page); bio_put(bio); if (!PageUptodate(page)) { diff --git a/fs/gfs2/quota.c b/fs/gfs2/quota.c index 42e8d23bc047..0e8bb13381e4 100644 --- a/fs/gfs2/quota.c +++ b/fs/gfs2/quota.c @@ -709,7 +709,7 @@ get_a_page: set_buffer_uptodate(bh); if (!buffer_uptodate(bh)) { - ll_rw_block(READ_META, 1, &bh); + ll_rw_block(READ | REQ_META | REQ_PRIO, 1, &bh); wait_on_buffer(bh); if (!buffer_uptodate(bh)) goto unlock_out; diff --git a/fs/hfsplus/super.c b/fs/hfsplus/super.c index c106ca22e812..d24a9b666a23 100644 --- a/fs/hfsplus/super.c +++ b/fs/hfsplus/super.c @@ -344,6 +344,7 @@ static int hfsplus_fill_super(struct super_block *sb, void *data, int silent) struct inode *root, *inode; struct qstr str; struct nls_table *nls = NULL; + u64 last_fs_block, last_fs_page; int err; err = -EINVAL; @@ -399,9 +400,13 @@ static int hfsplus_fill_super(struct super_block *sb, void *data, int silent) if (!sbi->rsrc_clump_blocks) sbi->rsrc_clump_blocks = 1; - err = generic_check_addressable(sbi->alloc_blksz_shift, - sbi->total_blocks); - if (err) { + err = -EFBIG; + last_fs_block = sbi->total_blocks - 1; + last_fs_page = (last_fs_block << sbi->alloc_blksz_shift) >> + PAGE_CACHE_SHIFT; + + if ((last_fs_block > (sector_t)(~0ULL) >> (sbi->alloc_blksz_shift - 9)) || + (last_fs_page > (pgoff_t)(~0ULL))) { printk(KERN_ERR "hfs: filesystem size too large.\n"); goto out_free_vhdr; } @@ -525,8 +530,8 @@ out_close_cat_tree: out_close_ext_tree: hfs_btree_close(sbi->ext_tree); out_free_vhdr: - kfree(sbi->s_vhdr); - kfree(sbi->s_backup_vhdr); + kfree(sbi->s_vhdr_buf); + kfree(sbi->s_backup_vhdr_buf); out_unload_nls: unload_nls(sbi->nls); unload_nls(nls); diff --git a/fs/hfsplus/wrapper.c b/fs/hfsplus/wrapper.c index 10e515a0d452..7daf4b852d1c 100644 --- a/fs/hfsplus/wrapper.c +++ b/fs/hfsplus/wrapper.c @@ -272,9 +272,9 @@ reread: return 0; out_free_backup_vhdr: - kfree(sbi->s_backup_vhdr); + kfree(sbi->s_backup_vhdr_buf); out_free_vhdr: - kfree(sbi->s_vhdr); + kfree(sbi->s_vhdr_buf); out: return error; } diff --git a/fs/namei.c b/fs/namei.c index b52bc685465f..0b3138de2a3b 100644 --- a/fs/namei.c +++ b/fs/namei.c @@ -721,12 +721,6 @@ static int follow_automount(struct path *path, unsigned flags, if (!path->dentry->d_op || !path->dentry->d_op->d_automount) return -EREMOTE; - /* We don't want to mount if someone supplied AT_NO_AUTOMOUNT - * and this is the terminal part of the path. - */ - if ((flags & LOOKUP_NO_AUTOMOUNT) && !(flags & LOOKUP_PARENT)) - return -EISDIR; /* we actually want to stop here */ - /* We don't want to mount if someone's just doing a stat - * unless they're stat'ing a directory and appended a '/' to * the name. @@ -739,7 +733,7 @@ static int follow_automount(struct path *path, unsigned flags, * of the daemon to instantiate them before they can be used. */ if (!(flags & (LOOKUP_PARENT | LOOKUP_DIRECTORY | - LOOKUP_OPEN | LOOKUP_CREATE)) && + LOOKUP_OPEN | LOOKUP_CREATE | LOOKUP_AUTOMOUNT)) && path->dentry->d_inode) return -EISDIR; @@ -2616,6 +2610,7 @@ int vfs_rmdir(struct inode *dir, struct dentry *dentry) if (!dir->i_op->rmdir) return -EPERM; + dget(dentry); mutex_lock(&dentry->d_inode->i_mutex); error = -EBUSY; @@ -2636,6 +2631,7 @@ int vfs_rmdir(struct inode *dir, struct dentry *dentry) out: mutex_unlock(&dentry->d_inode->i_mutex); + dput(dentry); if (!error) d_delete(dentry); return error; @@ -3025,6 +3021,7 @@ static int vfs_rename_dir(struct inode *old_dir, struct dentry *old_dentry, if (error) return error; + dget(new_dentry); if (target) mutex_lock(&target->i_mutex); @@ -3045,6 +3042,7 @@ static int vfs_rename_dir(struct inode *old_dir, struct dentry *old_dentry, out: if (target) mutex_unlock(&target->i_mutex); + dput(new_dentry); if (!error) if (!(old_dir->i_sb->s_type->fs_flags & FS_RENAME_DOES_D_MOVE)) d_move(old_dentry,new_dentry); diff --git a/fs/namespace.c b/fs/namespace.c index 22bfe8273c68..b4febb29d3bb 100644 --- a/fs/namespace.c +++ b/fs/namespace.c @@ -1757,7 +1757,7 @@ static int do_loopback(struct path *path, char *old_name, return err; if (!old_name || !*old_name) return -EINVAL; - err = kern_path(old_name, LOOKUP_FOLLOW, &old_path); + err = kern_path(old_name, LOOKUP_FOLLOW|LOOKUP_AUTOMOUNT, &old_path); if (err) return err; diff --git a/fs/nfs/nfs4_fs.h b/fs/nfs/nfs4_fs.h index 1ec1a85fa71c..3e93e9a1bee1 100644 --- a/fs/nfs/nfs4_fs.h +++ b/fs/nfs/nfs4_fs.h @@ -56,6 +56,9 @@ enum nfs4_session_state { NFS4_SESSION_DRAINING, }; +#define NFS4_RENEW_TIMEOUT 0x01 +#define NFS4_RENEW_DELEGATION_CB 0x02 + struct nfs4_minor_version_ops { u32 minor_version; @@ -225,7 +228,7 @@ struct nfs4_state_recovery_ops { }; struct nfs4_state_maintenance_ops { - int (*sched_state_renewal)(struct nfs_client *, struct rpc_cred *); + int (*sched_state_renewal)(struct nfs_client *, struct rpc_cred *, unsigned); struct rpc_cred * (*get_state_renewal_cred_locked)(struct nfs_client *); int (*renew_lease)(struct nfs_client *, struct rpc_cred *); }; @@ -237,8 +240,6 @@ extern const struct inode_operations nfs4_dir_inode_operations; extern int nfs4_proc_setclientid(struct nfs_client *, u32, unsigned short, struct rpc_cred *, struct nfs4_setclientid_res *); extern int nfs4_proc_setclientid_confirm(struct nfs_client *, struct nfs4_setclientid_res *arg, struct rpc_cred *); extern int nfs4_proc_exchange_id(struct nfs_client *clp, struct rpc_cred *cred); -extern int nfs4_proc_async_renew(struct nfs_client *, struct rpc_cred *); -extern int nfs4_proc_renew(struct nfs_client *, struct rpc_cred *); extern int nfs4_init_clientid(struct nfs_client *, struct rpc_cred *); extern int nfs41_init_clientid(struct nfs_client *, struct rpc_cred *); extern int nfs4_do_close(struct nfs4_state *state, gfp_t gfp_mask, int wait, bool roc); @@ -349,6 +350,7 @@ extern void nfs4_close_sync(struct nfs4_state *, fmode_t); extern void nfs4_state_set_mode_locked(struct nfs4_state *, fmode_t); extern void nfs4_schedule_lease_recovery(struct nfs_client *); extern void nfs4_schedule_state_manager(struct nfs_client *); +extern void nfs4_schedule_path_down_recovery(struct nfs_client *clp); extern void nfs4_schedule_stateid_recovery(const struct nfs_server *, struct nfs4_state *); extern void nfs41_handle_sequence_flag_errors(struct nfs_client *clp, u32 flags); extern void nfs41_handle_recall_slot(struct nfs_client *clp); diff --git a/fs/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c index 8c77039e7a81..4700fae1ada0 100644 --- a/fs/nfs/nfs4proc.c +++ b/fs/nfs/nfs4proc.c @@ -3374,9 +3374,13 @@ static void nfs4_renew_done(struct rpc_task *task, void *calldata) if (task->tk_status < 0) { /* Unless we're shutting down, schedule state recovery! */ - if (test_bit(NFS_CS_RENEWD, &clp->cl_res_state) != 0) + if (test_bit(NFS_CS_RENEWD, &clp->cl_res_state) == 0) + return; + if (task->tk_status != NFS4ERR_CB_PATH_DOWN) { nfs4_schedule_lease_recovery(clp); - return; + return; + } + nfs4_schedule_path_down_recovery(clp); } do_renew_lease(clp, timestamp); } @@ -3386,7 +3390,7 @@ static const struct rpc_call_ops nfs4_renew_ops = { .rpc_release = nfs4_renew_release, }; -int nfs4_proc_async_renew(struct nfs_client *clp, struct rpc_cred *cred) +static int nfs4_proc_async_renew(struct nfs_client *clp, struct rpc_cred *cred, unsigned renew_flags) { struct rpc_message msg = { .rpc_proc = &nfs4_procedures[NFSPROC4_CLNT_RENEW], @@ -3395,9 +3399,11 @@ int nfs4_proc_async_renew(struct nfs_client *clp, struct rpc_cred *cred) }; struct nfs4_renewdata *data; + if (renew_flags == 0) + return 0; if (!atomic_inc_not_zero(&clp->cl_count)) return -EIO; - data = kmalloc(sizeof(*data), GFP_KERNEL); + data = kmalloc(sizeof(*data), GFP_NOFS); if (data == NULL) return -ENOMEM; data->client = clp; @@ -3406,7 +3412,7 @@ int nfs4_proc_async_renew(struct nfs_client *clp, struct rpc_cred *cred) &nfs4_renew_ops, data); } -int nfs4_proc_renew(struct nfs_client *clp, struct rpc_cred *cred) +static int nfs4_proc_renew(struct nfs_client *clp, struct rpc_cred *cred) { struct rpc_message msg = { .rpc_proc = &nfs4_procedures[NFSPROC4_CLNT_RENEW], @@ -5504,11 +5510,13 @@ static struct rpc_task *_nfs41_proc_sequence(struct nfs_client *clp, struct rpc_ return rpc_run_task(&task_setup_data); } -static int nfs41_proc_async_sequence(struct nfs_client *clp, struct rpc_cred *cred) +static int nfs41_proc_async_sequence(struct nfs_client *clp, struct rpc_cred *cred, unsigned renew_flags) { struct rpc_task *task; int ret = 0; + if ((renew_flags & NFS4_RENEW_TIMEOUT) == 0) + return 0; task = _nfs41_proc_sequence(clp, cred); if (IS_ERR(task)) ret = PTR_ERR(task); diff --git a/fs/nfs/nfs4renewd.c b/fs/nfs/nfs4renewd.c index df8e7f3ca56d..dc484c0eae7f 100644 --- a/fs/nfs/nfs4renewd.c +++ b/fs/nfs/nfs4renewd.c @@ -60,6 +60,7 @@ nfs4_renew_state(struct work_struct *work) struct rpc_cred *cred; long lease; unsigned long last, now; + unsigned renew_flags = 0; ops = clp->cl_mvops->state_renewal_ops; dprintk("%s: start\n", __func__); @@ -72,18 +73,23 @@ nfs4_renew_state(struct work_struct *work) last = clp->cl_last_renewal; now = jiffies; /* Are we close to a lease timeout? */ - if (time_after(now, last + lease/3)) { + if (time_after(now, last + lease/3)) + renew_flags |= NFS4_RENEW_TIMEOUT; + if (nfs_delegations_present(clp)) + renew_flags |= NFS4_RENEW_DELEGATION_CB; + + if (renew_flags != 0) { cred = ops->get_state_renewal_cred_locked(clp); spin_unlock(&clp->cl_lock); if (cred == NULL) { - if (!nfs_delegations_present(clp)) { + if (!(renew_flags & NFS4_RENEW_DELEGATION_CB)) { set_bit(NFS4CLNT_LEASE_EXPIRED, &clp->cl_state); goto out; } nfs_expire_all_delegations(clp); } else { /* Queue an asynchronous RENEW. */ - ops->sched_state_renewal(clp, cred); + ops->sched_state_renewal(clp, cred, renew_flags); put_rpccred(cred); goto out_exp; } diff --git a/fs/nfs/nfs4state.c b/fs/nfs/nfs4state.c index 72ab97ef3d61..39914be40b03 100644 --- a/fs/nfs/nfs4state.c +++ b/fs/nfs/nfs4state.c @@ -1038,6 +1038,12 @@ void nfs4_schedule_lease_recovery(struct nfs_client *clp) nfs4_schedule_state_manager(clp); } +void nfs4_schedule_path_down_recovery(struct nfs_client *clp) +{ + nfs_handle_cb_pathdown(clp); + nfs4_schedule_state_manager(clp); +} + static int nfs4_state_mark_reclaim_reboot(struct nfs_client *clp, struct nfs4_state *state) { diff --git a/fs/nfs/super.c b/fs/nfs/super.c index b961ceac66b4..5b19b6aabe18 100644 --- a/fs/nfs/super.c +++ b/fs/nfs/super.c @@ -2035,9 +2035,6 @@ static inline void nfs_initialise_sb(struct super_block *sb) sb->s_blocksize = nfs_block_bits(server->wsize, &sb->s_blocksize_bits); - if (server->flags & NFS_MOUNT_NOAC) - sb->s_flags |= MS_SYNCHRONOUS; - sb->s_bdi = &server->backing_dev_info; nfs_super_set_maxbytes(sb, server->maxfilesize); @@ -2249,6 +2246,10 @@ static struct dentry *nfs_fs_mount(struct file_system_type *fs_type, if (server->flags & NFS_MOUNT_UNSHARED) compare_super = NULL; + /* -o noac implies -o sync */ + if (server->flags & NFS_MOUNT_NOAC) + sb_mntdata.mntflags |= MS_SYNCHRONOUS; + /* Get a superblock - note that we may end up sharing one that already exists */ s = sget(fs_type, compare_super, nfs_set_super, &sb_mntdata); if (IS_ERR(s)) { @@ -2361,6 +2362,10 @@ nfs_xdev_mount(struct file_system_type *fs_type, int flags, if (server->flags & NFS_MOUNT_UNSHARED) compare_super = NULL; + /* -o noac implies -o sync */ + if (server->flags & NFS_MOUNT_NOAC) + sb_mntdata.mntflags |= MS_SYNCHRONOUS; + /* Get a superblock - note that we may end up sharing one that already exists */ s = sget(&nfs_fs_type, compare_super, nfs_set_super, &sb_mntdata); if (IS_ERR(s)) { @@ -2628,6 +2633,10 @@ nfs4_remote_mount(struct file_system_type *fs_type, int flags, if (server->flags & NFS4_MOUNT_UNSHARED) compare_super = NULL; + /* -o noac implies -o sync */ + if (server->flags & NFS_MOUNT_NOAC) + sb_mntdata.mntflags |= MS_SYNCHRONOUS; + /* Get a superblock - note that we may end up sharing one that already exists */ s = sget(&nfs4_fs_type, compare_super, nfs_set_super, &sb_mntdata); if (IS_ERR(s)) { @@ -2789,7 +2798,7 @@ static struct dentry *nfs_follow_remote_path(struct vfsmount *root_mnt, goto out_put_mnt_ns; ret = vfs_path_lookup(root_mnt->mnt_root, root_mnt, - export_path, LOOKUP_FOLLOW, &path); + export_path, LOOKUP_FOLLOW|LOOKUP_AUTOMOUNT, &path); nfs_referral_loop_unprotect(); put_mnt_ns(ns_private); @@ -2916,6 +2925,10 @@ nfs4_xdev_mount(struct file_system_type *fs_type, int flags, if (server->flags & NFS4_MOUNT_UNSHARED) compare_super = NULL; + /* -o noac implies -o sync */ + if (server->flags & NFS_MOUNT_NOAC) + sb_mntdata.mntflags |= MS_SYNCHRONOUS; + /* Get a superblock - note that we may end up sharing one that already exists */ s = sget(&nfs4_fs_type, compare_super, nfs_set_super, &sb_mntdata); if (IS_ERR(s)) { @@ -3003,6 +3016,10 @@ nfs4_remote_referral_mount(struct file_system_type *fs_type, int flags, if (server->flags & NFS4_MOUNT_UNSHARED) compare_super = NULL; + /* -o noac implies -o sync */ + if (server->flags & NFS_MOUNT_NOAC) + sb_mntdata.mntflags |= MS_SYNCHRONOUS; + /* Get a superblock - note that we may end up sharing one that already exists */ s = sget(&nfs4_fs_type, compare_super, nfs_set_super, &sb_mntdata); if (IS_ERR(s)) { diff --git a/fs/nfs/write.c b/fs/nfs/write.c index b39b37f80913..c9bd2a6b7d4b 100644 --- a/fs/nfs/write.c +++ b/fs/nfs/write.c @@ -958,7 +958,7 @@ static int nfs_flush_multi(struct nfs_pageio_descriptor *desc, struct list_head if (!data) goto out_bad; data->pagevec[0] = page; - nfs_write_rpcsetup(req, data, wsize, offset, desc->pg_ioflags); + nfs_write_rpcsetup(req, data, len, offset, desc->pg_ioflags); list_add(&data->list, res); requests++; nbytes -= len; diff --git a/fs/proc/task_mmu.c b/fs/proc/task_mmu.c index 25b6a887adb9..5afaa58a8630 100644 --- a/fs/proc/task_mmu.c +++ b/fs/proc/task_mmu.c @@ -877,30 +877,54 @@ struct numa_maps_private { struct numa_maps md; }; -static void gather_stats(struct page *page, struct numa_maps *md, int pte_dirty) +static void gather_stats(struct page *page, struct numa_maps *md, int pte_dirty, + unsigned long nr_pages) { int count = page_mapcount(page); - md->pages++; + md->pages += nr_pages; if (pte_dirty || PageDirty(page)) - md->dirty++; + md->dirty += nr_pages; if (PageSwapCache(page)) - md->swapcache++; + md->swapcache += nr_pages; if (PageActive(page) || PageUnevictable(page)) - md->active++; + md->active += nr_pages; if (PageWriteback(page)) - md->writeback++; + md->writeback += nr_pages; if (PageAnon(page)) - md->anon++; + md->anon += nr_pages; if (count > md->mapcount_max) md->mapcount_max = count; - md->node[page_to_nid(page)]++; + md->node[page_to_nid(page)] += nr_pages; +} + +static struct page *can_gather_numa_stats(pte_t pte, struct vm_area_struct *vma, + unsigned long addr) +{ + struct page *page; + int nid; + + if (!pte_present(pte)) + return NULL; + + page = vm_normal_page(vma, addr, pte); + if (!page) + return NULL; + + if (PageReserved(page)) + return NULL; + + nid = page_to_nid(page); + if (!node_isset(nid, node_states[N_HIGH_MEMORY])) + return NULL; + + return page; } static int gather_pte_stats(pmd_t *pmd, unsigned long addr, @@ -912,26 +936,32 @@ static int gather_pte_stats(pmd_t *pmd, unsigned long addr, pte_t *pte; md = walk->private; - orig_pte = pte = pte_offset_map_lock(walk->mm, pmd, addr, &ptl); - do { - struct page *page; - int nid; + spin_lock(&walk->mm->page_table_lock); + if (pmd_trans_huge(*pmd)) { + if (pmd_trans_splitting(*pmd)) { + spin_unlock(&walk->mm->page_table_lock); + wait_split_huge_page(md->vma->anon_vma, pmd); + } else { + pte_t huge_pte = *(pte_t *)pmd; + struct page *page; - if (!pte_present(*pte)) - continue; + page = can_gather_numa_stats(huge_pte, md->vma, addr); + if (page) + gather_stats(page, md, pte_dirty(huge_pte), + HPAGE_PMD_SIZE/PAGE_SIZE); + spin_unlock(&walk->mm->page_table_lock); + return 0; + } + } else { + spin_unlock(&walk->mm->page_table_lock); + } - page = vm_normal_page(md->vma, addr, *pte); + orig_pte = pte = pte_offset_map_lock(walk->mm, pmd, addr, &ptl); + do { + struct page *page = can_gather_numa_stats(*pte, md->vma, addr); if (!page) continue; - - if (PageReserved(page)) - continue; - - nid = page_to_nid(page); - if (!node_isset(nid, node_states[N_HIGH_MEMORY])) - continue; - - gather_stats(page, md, pte_dirty(*pte)); + gather_stats(page, md, pte_dirty(*pte), 1); } while (pte++, addr += PAGE_SIZE, addr != end); pte_unmap_unlock(orig_pte, ptl); @@ -952,7 +982,7 @@ static int gather_hugetbl_stats(pte_t *pte, unsigned long hmask, return 0; md = walk->private; - gather_stats(page, md, pte_dirty(*pte)); + gather_stats(page, md, pte_dirty(*pte), 1); return 0; } diff --git a/fs/quota/quota.c b/fs/quota/quota.c index b34bdb25490c..10b6be3ca280 100644 --- a/fs/quota/quota.c +++ b/fs/quota/quota.c @@ -355,7 +355,7 @@ SYSCALL_DEFINE4(quotactl, unsigned int, cmd, const char __user *, special, * resolution (think about autofs) and thus deadlocks could arise. */ if (cmds == Q_QUOTAON) { - ret = user_path_at(AT_FDCWD, addr, LOOKUP_FOLLOW, &path); + ret = user_path_at(AT_FDCWD, addr, LOOKUP_FOLLOW|LOOKUP_AUTOMOUNT, &path); if (ret) pathp = ERR_PTR(ret); else diff --git a/fs/stat.c b/fs/stat.c index ba5316ffac61..78a3aa83c7ea 100644 --- a/fs/stat.c +++ b/fs/stat.c @@ -81,8 +81,6 @@ int vfs_fstatat(int dfd, const char __user *filename, struct kstat *stat, if (!(flag & AT_SYMLINK_NOFOLLOW)) lookup_flags |= LOOKUP_FOLLOW; - if (flag & AT_NO_AUTOMOUNT) - lookup_flags |= LOOKUP_NO_AUTOMOUNT; if (flag & AT_EMPTY_PATH) lookup_flags |= LOOKUP_EMPTY; diff --git a/fs/xfs/xfs_aops.c b/fs/xfs/xfs_aops.c index 63e971e2b837..8c37dde4c521 100644 --- a/fs/xfs/xfs_aops.c +++ b/fs/xfs/xfs_aops.c @@ -1300,6 +1300,7 @@ xfs_end_io_direct_write( bool is_async) { struct xfs_ioend *ioend = iocb->private; + struct inode *inode = ioend->io_inode; /* * blockdev_direct_IO can return an error even after the I/O @@ -1331,7 +1332,7 @@ xfs_end_io_direct_write( } /* XXX: probably should move into the real I/O completion handler */ - inode_dio_done(ioend->io_inode); + inode_dio_done(inode); } STATIC ssize_t diff --git a/include/linux/amba/pl08x.h b/include/linux/amba/pl08x.h index e6e28f37d8ec..a22662c93981 100644 --- a/include/linux/amba/pl08x.h +++ b/include/linux/amba/pl08x.h @@ -47,6 +47,9 @@ enum { * @muxval: a number usually used to poke into some mux regiser to * mux in the signal to this channel * @cctl_opt: default options for the channel control register + * @device_fc: Flow Controller Settings for ccfg register. Only valid for slave + * channels. Fill with 'true' if peripheral should be flow controller. Direction + * will be selected at Runtime. * @addr: source/target address in physical memory for this DMA channel, * can be the address of a FIFO register for burst requests for example. * This can be left undefined if the PrimeCell API is used for configuring @@ -65,6 +68,7 @@ struct pl08x_channel_data { int max_signal; u32 muxval; u32 cctl; + bool device_fc; dma_addr_t addr; bool circular_buffer; bool single; @@ -77,13 +81,11 @@ struct pl08x_channel_data { * @addr: current address * @maxwidth: the maximum width of a transfer on this bus * @buswidth: the width of this bus in bytes: 1, 2 or 4 - * @fill_bytes: bytes required to fill to the next bus memory boundary */ struct pl08x_bus_data { dma_addr_t addr; u8 maxwidth; u8 buswidth; - size_t fill_bytes; }; /** @@ -105,8 +107,16 @@ struct pl08x_phy_chan { /** * struct pl08x_txd - wrapper for struct dma_async_tx_descriptor + * @tx: async tx descriptor + * @node: node for txd list for channels + * @src_addr: src address of txd + * @dst_addr: dst address of txd + * @len: transfer len in bytes + * @direction: direction of transfer * @llis_bus: DMA memory address (physical) start for the LLIs * @llis_va: virtual memory address start for the LLIs + * @cctl: control reg values for current txd + * @ccfg: config reg values for current txd */ struct pl08x_txd { struct dma_async_tx_descriptor tx; diff --git a/include/linux/amba/pl330.h b/include/linux/amba/pl330.h index cbee7de7dd36..d12f077a6daf 100644 --- a/include/linux/amba/pl330.h +++ b/include/linux/amba/pl330.h @@ -19,12 +19,8 @@ struct dma_pl330_peri { * Peri_Req i/f of the DMAC that is * peripheral could be reached from. */ - u8 peri_id; /* {0, 31} */ + u8 peri_id; /* specific dma id */ enum pl330_reqtype rqtype; - - /* For M->D and D->M Channels */ - int burst_sz; /* in power of 2 */ - dma_addr_t fifo_addr; }; struct dma_pl330_platdata { diff --git a/include/linux/basic_mmio_gpio.h b/include/linux/basic_mmio_gpio.h index 98999cf107ce..feb912196745 100644 --- a/include/linux/basic_mmio_gpio.h +++ b/include/linux/basic_mmio_gpio.h @@ -63,15 +63,10 @@ static inline struct bgpio_chip *to_bgpio_chip(struct gpio_chip *gc) return container_of(gc, struct bgpio_chip, gc); } -int __devexit bgpio_remove(struct bgpio_chip *bgc); -int __devinit bgpio_init(struct bgpio_chip *bgc, - struct device *dev, - unsigned long sz, - void __iomem *dat, - void __iomem *set, - void __iomem *clr, - void __iomem *dirout, - void __iomem *dirin, - bool big_endian); +int bgpio_remove(struct bgpio_chip *bgc); +int bgpio_init(struct bgpio_chip *bgc, struct device *dev, + unsigned long sz, void __iomem *dat, void __iomem *set, + void __iomem *clr, void __iomem *dirout, void __iomem *dirin, + bool big_endian); #endif /* __BASIC_MMIO_GPIO_H */ diff --git a/include/linux/blk_types.h b/include/linux/blk_types.h index 32f0076e844b..71fc53bb8f1c 100644 --- a/include/linux/blk_types.h +++ b/include/linux/blk_types.h @@ -124,6 +124,7 @@ enum rq_flag_bits { __REQ_SYNC, /* request is sync (sync write or read) */ __REQ_META, /* metadata io request */ + __REQ_PRIO, /* boost priority in cfq */ __REQ_DISCARD, /* request to discard sectors */ __REQ_SECURE, /* secure discard (used with __REQ_DISCARD) */ @@ -161,14 +162,15 @@ enum rq_flag_bits { #define REQ_FAILFAST_DRIVER (1 << __REQ_FAILFAST_DRIVER) #define REQ_SYNC (1 << __REQ_SYNC) #define REQ_META (1 << __REQ_META) +#define REQ_PRIO (1 << __REQ_PRIO) #define REQ_DISCARD (1 << __REQ_DISCARD) #define REQ_NOIDLE (1 << __REQ_NOIDLE) #define REQ_FAILFAST_MASK \ (REQ_FAILFAST_DEV | REQ_FAILFAST_TRANSPORT | REQ_FAILFAST_DRIVER) #define REQ_COMMON_MASK \ - (REQ_WRITE | REQ_FAILFAST_MASK | REQ_SYNC | REQ_META | REQ_DISCARD | \ - REQ_NOIDLE | REQ_FLUSH | REQ_FUA | REQ_SECURE) + (REQ_WRITE | REQ_FAILFAST_MASK | REQ_SYNC | REQ_META | REQ_PRIO | \ + REQ_DISCARD | REQ_NOIDLE | REQ_FLUSH | REQ_FUA | REQ_SECURE) #define REQ_CLONE_MASK REQ_COMMON_MASK #define REQ_RAHEAD (1 << __REQ_RAHEAD) diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h index 84b15d54f8c2..7fbaa9103344 100644 --- a/include/linux/blkdev.h +++ b/include/linux/blkdev.h @@ -873,7 +873,6 @@ struct blk_plug { struct list_head list; struct list_head cb_list; unsigned int should_sort; - unsigned int count; }; #define BLK_MAX_REQUEST_COUNT 16 diff --git a/include/linux/dmaengine.h b/include/linux/dmaengine.h index 8fbf40e0713c..ace51af4369f 100644 --- a/include/linux/dmaengine.h +++ b/include/linux/dmaengine.h @@ -24,8 +24,7 @@ #include <linux/device.h> #include <linux/uio.h> #include <linux/dma-direction.h> - -struct scatterlist; +#include <linux/scatterlist.h> /** * typedef dma_cookie_t - an opaque DMA cookie @@ -519,6 +518,16 @@ static inline int dmaengine_slave_config(struct dma_chan *chan, (unsigned long)config); } +static inline struct dma_async_tx_descriptor *dmaengine_prep_slave_single( + struct dma_chan *chan, void *buf, size_t len, + enum dma_data_direction dir, unsigned long flags) +{ + struct scatterlist sg; + sg_init_one(&sg, buf, len); + + return chan->device->device_prep_slave_sg(chan, &sg, 1, dir, flags); +} + static inline int dmaengine_terminate_all(struct dma_chan *chan) { return dmaengine_device_control(chan, DMA_TERMINATE_ALL, 0); diff --git a/include/linux/fs.h b/include/linux/fs.h index c2bd68f2277a..277f497923a2 100644 --- a/include/linux/fs.h +++ b/include/linux/fs.h @@ -162,10 +162,8 @@ struct inodes_stat_t { #define READA RWA_MASK #define READ_SYNC (READ | REQ_SYNC) -#define READ_META (READ | REQ_META) #define WRITE_SYNC (WRITE | REQ_SYNC | REQ_NOIDLE) #define WRITE_ODIRECT (WRITE | REQ_SYNC) -#define WRITE_META (WRITE | REQ_META) #define WRITE_FLUSH (WRITE | REQ_SYNC | REQ_NOIDLE | REQ_FLUSH) #define WRITE_FUA (WRITE | REQ_SYNC | REQ_NOIDLE | REQ_FUA) #define WRITE_FLUSH_FUA (WRITE | REQ_SYNC | REQ_NOIDLE | REQ_FLUSH | REQ_FUA) diff --git a/include/linux/kvm.h b/include/linux/kvm.h index 2c366b52f505..aace6b8691a2 100644 --- a/include/linux/kvm.h +++ b/include/linux/kvm.h @@ -553,6 +553,7 @@ struct kvm_ppc_pvinfo { #define KVM_CAP_SPAPR_TCE 63 #define KVM_CAP_PPC_SMT 64 #define KVM_CAP_PPC_RMA 65 +#define KVM_CAP_S390_GMAP 71 #ifdef KVM_CAP_IRQ_ROUTING diff --git a/include/linux/memcontrol.h b/include/linux/memcontrol.h index 3b535db00a94..343bd7661f2a 100644 --- a/include/linux/memcontrol.h +++ b/include/linux/memcontrol.h @@ -39,16 +39,6 @@ extern unsigned long mem_cgroup_isolate_pages(unsigned long nr_to_scan, struct mem_cgroup *mem_cont, int active, int file); -struct memcg_scanrecord { - struct mem_cgroup *mem; /* scanend memory cgroup */ - struct mem_cgroup *root; /* scan target hierarchy root */ - int context; /* scanning context (see memcontrol.c) */ - unsigned long nr_scanned[2]; /* the number of scanned pages */ - unsigned long nr_rotated[2]; /* the number of rotated pages */ - unsigned long nr_freed[2]; /* the number of freed pages */ - unsigned long elapsed; /* nsec of time elapsed while scanning */ -}; - #ifdef CONFIG_CGROUP_MEM_RES_CTLR /* * All "charge" functions with gfp_mask should use GFP_KERNEL or @@ -127,15 +117,6 @@ mem_cgroup_get_reclaim_stat_from_page(struct page *page); extern void mem_cgroup_print_oom_info(struct mem_cgroup *memcg, struct task_struct *p); -extern unsigned long try_to_free_mem_cgroup_pages(struct mem_cgroup *mem, - gfp_t gfp_mask, bool noswap, - struct memcg_scanrecord *rec); -extern unsigned long mem_cgroup_shrink_node_zone(struct mem_cgroup *mem, - gfp_t gfp_mask, bool noswap, - struct zone *zone, - struct memcg_scanrecord *rec, - unsigned long *nr_scanned); - #ifdef CONFIG_CGROUP_MEM_RES_CTLR_SWAP extern int do_swap_account; #endif diff --git a/include/linux/mfd/wm8994/pdata.h b/include/linux/mfd/wm8994/pdata.h index d12f8d635a81..97cf4f27d647 100644 --- a/include/linux/mfd/wm8994/pdata.h +++ b/include/linux/mfd/wm8994/pdata.h @@ -26,7 +26,7 @@ struct wm8994_ldo_pdata { struct regulator_init_data *init_data; }; -#define WM8994_CONFIGURE_GPIO 0x8000 +#define WM8994_CONFIGURE_GPIO 0x10000 #define WM8994_DRC_REGS 5 #define WM8994_EQ_REGS 20 diff --git a/include/linux/namei.h b/include/linux/namei.h index 76fe2c62ae71..409328d1cbbb 100644 --- a/include/linux/namei.h +++ b/include/linux/namei.h @@ -48,11 +48,12 @@ enum {LAST_NORM, LAST_ROOT, LAST_DOT, LAST_DOTDOT, LAST_BIND}; */ #define LOOKUP_FOLLOW 0x0001 #define LOOKUP_DIRECTORY 0x0002 +#define LOOKUP_AUTOMOUNT 0x0004 #define LOOKUP_PARENT 0x0010 #define LOOKUP_REVAL 0x0020 #define LOOKUP_RCU 0x0040 -#define LOOKUP_NO_AUTOMOUNT 0x0080 + /* * Intent data */ diff --git a/include/linux/skbuff.h b/include/linux/skbuff.h index 7b996ed86d5b..8bd383caa363 100644 --- a/include/linux/skbuff.h +++ b/include/linux/skbuff.h @@ -524,6 +524,7 @@ static inline struct sk_buff *alloc_skb_fclone(unsigned int size, extern bool skb_recycle_check(struct sk_buff *skb, int skb_size); extern struct sk_buff *skb_morph(struct sk_buff *dst, struct sk_buff *src); +extern int skb_copy_ubufs(struct sk_buff *skb, gfp_t gfp_mask); extern struct sk_buff *skb_clone(struct sk_buff *skb, gfp_t priority); extern struct sk_buff *skb_copy(const struct sk_buff *skb, diff --git a/include/linux/snmp.h b/include/linux/snmp.h index 12b2b18e50c1..e16557a357e5 100644 --- a/include/linux/snmp.h +++ b/include/linux/snmp.h @@ -231,6 +231,8 @@ enum LINUX_MIB_TCPDEFERACCEPTDROP, LINUX_MIB_IPRPFILTER, /* IP Reverse Path Filter (rp_filter) */ LINUX_MIB_TCPTIMEWAITOVERFLOW, /* TCPTimeWaitOverflow */ + LINUX_MIB_TCPREQQFULLDOCOOKIES, /* TCPReqQFullDoCookies */ + LINUX_MIB_TCPREQQFULLDROP, /* TCPReqQFullDrop */ __LINUX_MIB_MAX }; diff --git a/include/linux/swap.h b/include/linux/swap.h index 14d62490922e..c71f84bb62ec 100644 --- a/include/linux/swap.h +++ b/include/linux/swap.h @@ -252,6 +252,12 @@ static inline void lru_cache_add_file(struct page *page) extern unsigned long try_to_free_pages(struct zonelist *zonelist, int order, gfp_t gfp_mask, nodemask_t *mask); extern int __isolate_lru_page(struct page *page, int mode, int file); +extern unsigned long try_to_free_mem_cgroup_pages(struct mem_cgroup *mem, + gfp_t gfp_mask, bool noswap); +extern unsigned long mem_cgroup_shrink_node_zone(struct mem_cgroup *mem, + gfp_t gfp_mask, bool noswap, + struct zone *zone, + unsigned long *nr_scanned); extern unsigned long shrink_all_memory(unsigned long nr_pages); extern int vm_swappiness; extern int remove_mapping(struct address_space *mapping, struct page *page); diff --git a/include/net/flow.h b/include/net/flow.h index 78113daadd63..a09447749e2d 100644 --- a/include/net/flow.h +++ b/include/net/flow.h @@ -7,6 +7,7 @@ #ifndef _NET_FLOW_H #define _NET_FLOW_H +#include <linux/socket.h> #include <linux/in6.h> #include <linux/atomic.h> @@ -68,7 +69,7 @@ struct flowi4 { #define fl4_ipsec_spi uli.spi #define fl4_mh_type uli.mht.type #define fl4_gre_key uli.gre_key -}; +} __attribute__((__aligned__(BITS_PER_LONG/8))); static inline void flowi4_init_output(struct flowi4 *fl4, int oif, __u32 mark, __u8 tos, __u8 scope, @@ -112,7 +113,7 @@ struct flowi6 { #define fl6_ipsec_spi uli.spi #define fl6_mh_type uli.mht.type #define fl6_gre_key uli.gre_key -}; +} __attribute__((__aligned__(BITS_PER_LONG/8))); struct flowidn { struct flowi_common __fl_common; @@ -127,7 +128,7 @@ struct flowidn { union flowi_uli uli; #define fld_sport uli.ports.sport #define fld_dport uli.ports.dport -}; +} __attribute__((__aligned__(BITS_PER_LONG/8))); struct flowi { union { @@ -161,6 +162,24 @@ static inline struct flowi *flowidn_to_flowi(struct flowidn *fldn) return container_of(fldn, struct flowi, u.dn); } +typedef unsigned long flow_compare_t; + +static inline size_t flow_key_size(u16 family) +{ + switch (family) { + case AF_INET: + BUILD_BUG_ON(sizeof(struct flowi4) % sizeof(flow_compare_t)); + return sizeof(struct flowi4) / sizeof(flow_compare_t); + case AF_INET6: + BUILD_BUG_ON(sizeof(struct flowi6) % sizeof(flow_compare_t)); + return sizeof(struct flowi6) / sizeof(flow_compare_t); + case AF_DECnet: + BUILD_BUG_ON(sizeof(struct flowidn) % sizeof(flow_compare_t)); + return sizeof(struct flowidn) / sizeof(flow_compare_t); + } + return 0; +} + #define FLOW_DIR_IN 0 #define FLOW_DIR_OUT 1 #define FLOW_DIR_FWD 2 diff --git a/include/net/request_sock.h b/include/net/request_sock.h index 99e6e19b57c2..4c0766e201e3 100644 --- a/include/net/request_sock.h +++ b/include/net/request_sock.h @@ -96,7 +96,8 @@ extern int sysctl_max_syn_backlog; */ struct listen_sock { u8 max_qlen_log; - /* 3 bytes hole, try to use */ + u8 synflood_warned; + /* 2 bytes hole, try to use */ int qlen; int qlen_young; int clock_hand; diff --git a/include/net/sctp/command.h b/include/net/sctp/command.h index 6506458ccd33..712b3bebeda7 100644 --- a/include/net/sctp/command.h +++ b/include/net/sctp/command.h @@ -109,6 +109,7 @@ typedef enum { SCTP_CMD_SEND_MSG, /* Send the whole use message */ SCTP_CMD_SEND_NEXT_ASCONF, /* Send the next ASCONF after ACK */ SCTP_CMD_PURGE_ASCONF_QUEUE, /* Purge all asconf queues.*/ + SCTP_CMD_SET_ASOC, /* Restore association context */ SCTP_CMD_LAST } sctp_verb_t; diff --git a/include/net/tcp.h b/include/net/tcp.h index 149a415d1e0a..acc620a4a45f 100644 --- a/include/net/tcp.h +++ b/include/net/tcp.h @@ -431,17 +431,34 @@ extern int tcp_disconnect(struct sock *sk, int flags); extern __u32 syncookie_secret[2][16-4+SHA_DIGEST_WORDS]; extern struct sock *cookie_v4_check(struct sock *sk, struct sk_buff *skb, struct ip_options *opt); +#ifdef CONFIG_SYN_COOKIES extern __u32 cookie_v4_init_sequence(struct sock *sk, struct sk_buff *skb, __u16 *mss); +#else +static inline __u32 cookie_v4_init_sequence(struct sock *sk, + struct sk_buff *skb, + __u16 *mss) +{ + return 0; +} +#endif extern __u32 cookie_init_timestamp(struct request_sock *req); extern bool cookie_check_timestamp(struct tcp_options_received *opt, bool *); /* From net/ipv6/syncookies.c */ extern struct sock *cookie_v6_check(struct sock *sk, struct sk_buff *skb); +#ifdef CONFIG_SYN_COOKIES extern __u32 cookie_v6_init_sequence(struct sock *sk, struct sk_buff *skb, __u16 *mss); - +#else +static inline __u32 cookie_v6_init_sequence(struct sock *sk, + struct sk_buff *skb, + __u16 *mss) +{ + return 0; +} +#endif /* tcp_output.c */ extern void __tcp_push_pending_frames(struct sock *sk, unsigned int cur_mss, @@ -460,6 +477,9 @@ extern int tcp_write_wakeup(struct sock *); extern void tcp_send_fin(struct sock *sk); extern void tcp_send_active_reset(struct sock *sk, gfp_t priority); extern int tcp_send_synack(struct sock *); +extern int tcp_syn_flood_action(struct sock *sk, + const struct sk_buff *skb, + const char *proto); extern void tcp_push_one(struct sock *, unsigned int mss_now); extern void tcp_send_ack(struct sock *sk); extern void tcp_send_delayed_ack(struct sock *sk); diff --git a/include/net/transp_v6.h b/include/net/transp_v6.h index 5271a741c3a3..498433dd067d 100644 --- a/include/net/transp_v6.h +++ b/include/net/transp_v6.h @@ -39,6 +39,7 @@ extern int datagram_recv_ctl(struct sock *sk, struct sk_buff *skb); extern int datagram_send_ctl(struct net *net, + struct sock *sk, struct msghdr *msg, struct flowi6 *fl6, struct ipv6_txoptions *opt, diff --git a/init/main.c b/init/main.c index 9c51ee7adf3d..2a9b88aa5e76 100644 --- a/init/main.c +++ b/init/main.c @@ -209,8 +209,19 @@ early_param("quiet", quiet_kernel); static int __init loglevel(char *str) { - get_option(&str, &console_loglevel); - return 0; + int newlevel; + + /* + * Only update loglevel value when a correct setting was passed, + * to prevent blind crashes (when loglevel being set to 0) that + * are quite hard to debug + */ + if (get_option(&str, &newlevel)) { + console_loglevel = newlevel; + return 0; + } + + return -EINVAL; } early_param("loglevel", loglevel); diff --git a/kernel/irq/chip.c b/kernel/irq/chip.c index d5a3009da71a..dc5114b4c16c 100644 --- a/kernel/irq/chip.c +++ b/kernel/irq/chip.c @@ -178,7 +178,7 @@ void irq_shutdown(struct irq_desc *desc) desc->depth = 1; if (desc->irq_data.chip->irq_shutdown) desc->irq_data.chip->irq_shutdown(&desc->irq_data); - if (desc->irq_data.chip->irq_disable) + else if (desc->irq_data.chip->irq_disable) desc->irq_data.chip->irq_disable(&desc->irq_data); else desc->irq_data.chip->irq_mask(&desc->irq_data); diff --git a/kernel/ptrace.c b/kernel/ptrace.c index 9de3ecfd20f9..a70d2a5d8c7b 100644 --- a/kernel/ptrace.c +++ b/kernel/ptrace.c @@ -744,20 +744,17 @@ int ptrace_request(struct task_struct *child, long request, break; si = child->last_siginfo; - if (unlikely(!si || si->si_code >> 8 != PTRACE_EVENT_STOP)) - break; - - child->jobctl |= JOBCTL_LISTENING; - - /* - * If NOTIFY is set, it means event happened between start - * of this trap and now. Trigger re-trap immediately. - */ - if (child->jobctl & JOBCTL_TRAP_NOTIFY) - signal_wake_up(child, true); - + if (likely(si && (si->si_code >> 8) == PTRACE_EVENT_STOP)) { + child->jobctl |= JOBCTL_LISTENING; + /* + * If NOTIFY is set, it means event happened between + * start of this trap and now. Trigger re-trap. + */ + if (child->jobctl & JOBCTL_TRAP_NOTIFY) + signal_wake_up(child, true); + ret = 0; + } unlock_task_sighand(child, &flags); - ret = 0; break; case PTRACE_DETACH: /* detach a process that was attached. */ diff --git a/kernel/taskstats.c b/kernel/taskstats.c index e19ce1454ee1..e66046456f4f 100644 --- a/kernel/taskstats.c +++ b/kernel/taskstats.c @@ -655,6 +655,7 @@ static struct genl_ops taskstats_ops = { .cmd = TASKSTATS_CMD_GET, .doit = taskstats_user_cmd, .policy = taskstats_cmd_get_policy, + .flags = GENL_ADMIN_PERM, }; static struct genl_ops cgroupstats_ops = { diff --git a/kernel/tsacct.c b/kernel/tsacct.c index 24dc60d9fa1f..5bbfac85866e 100644 --- a/kernel/tsacct.c +++ b/kernel/tsacct.c @@ -78,6 +78,7 @@ void bacct_add_tsk(struct taskstats *stats, struct task_struct *tsk) #define KB 1024 #define MB (1024*KB) +#define KB_MASK (~(KB-1)) /* * fill in extended accounting fields */ @@ -95,14 +96,14 @@ void xacct_add_tsk(struct taskstats *stats, struct task_struct *p) stats->hiwater_vm = get_mm_hiwater_vm(mm) * PAGE_SIZE / KB; mmput(mm); } - stats->read_char = p->ioac.rchar; - stats->write_char = p->ioac.wchar; - stats->read_syscalls = p->ioac.syscr; - stats->write_syscalls = p->ioac.syscw; + stats->read_char = p->ioac.rchar & KB_MASK; + stats->write_char = p->ioac.wchar & KB_MASK; + stats->read_syscalls = p->ioac.syscr & KB_MASK; + stats->write_syscalls = p->ioac.syscw & KB_MASK; #ifdef CONFIG_TASK_IO_ACCOUNTING - stats->read_bytes = p->ioac.read_bytes; - stats->write_bytes = p->ioac.write_bytes; - stats->cancelled_write_bytes = p->ioac.cancelled_write_bytes; + stats->read_bytes = p->ioac.read_bytes & KB_MASK; + stats->write_bytes = p->ioac.write_bytes & KB_MASK; + stats->cancelled_write_bytes = p->ioac.cancelled_write_bytes & KB_MASK; #else stats->read_bytes = 0; stats->write_bytes = 0; diff --git a/kernel/workqueue.c b/kernel/workqueue.c index 25fb1b0e53fa..1783aabc6128 100644 --- a/kernel/workqueue.c +++ b/kernel/workqueue.c @@ -2412,8 +2412,13 @@ reflush: for_each_cwq_cpu(cpu, wq) { struct cpu_workqueue_struct *cwq = get_cwq(cpu, wq); + bool drained; - if (!cwq->nr_active && list_empty(&cwq->delayed_works)) + spin_lock_irq(&cwq->gcwq->lock); + drained = !cwq->nr_active && list_empty(&cwq->delayed_works); + spin_unlock_irq(&cwq->gcwq->lock); + + if (drained) continue; if (++flush_cnt == 10 || diff --git a/lib/sha1.c b/lib/sha1.c index f33271dd00cb..1de509a159c8 100644 --- a/lib/sha1.c +++ b/lib/sha1.c @@ -8,6 +8,7 @@ #include <linux/kernel.h> #include <linux/module.h> #include <linux/bitops.h> +#include <linux/cryptohash.h> #include <asm/unaligned.h> /* diff --git a/lib/xz/xz_dec_bcj.c b/lib/xz/xz_dec_bcj.c index e51e2558ca9d..a768e6d28bbb 100644 --- a/lib/xz/xz_dec_bcj.c +++ b/lib/xz/xz_dec_bcj.c @@ -441,8 +441,12 @@ XZ_EXTERN enum xz_ret xz_dec_bcj_run(struct xz_dec_bcj *s, * next filter in the chain. Apply the BCJ filter on the new data * in the output buffer. If everything cannot be filtered, copy it * to temp and rewind the output buffer position accordingly. + * + * This needs to be always run when temp.size == 0 to handle a special + * case where the output buffer is full and the next filter has no + * more output coming but hasn't returned XZ_STREAM_END yet. */ - if (s->temp.size < b->out_size - b->out_pos) { + if (s->temp.size < b->out_size - b->out_pos || s->temp.size == 0) { out_start = b->out_pos; memcpy(b->out + b->out_pos, s->temp.buf, s->temp.size); b->out_pos += s->temp.size; @@ -465,16 +469,25 @@ XZ_EXTERN enum xz_ret xz_dec_bcj_run(struct xz_dec_bcj *s, s->temp.size = b->out_pos - out_start; b->out_pos -= s->temp.size; memcpy(s->temp.buf, b->out + b->out_pos, s->temp.size); + + /* + * If there wasn't enough input to the next filter to fill + * the output buffer with unfiltered data, there's no point + * to try decoding more data to temp. + */ + if (b->out_pos + s->temp.size < b->out_size) + return XZ_OK; } /* - * If we have unfiltered data in temp, try to fill by decoding more - * data from the next filter. Apply the BCJ filter on temp. Then we - * hopefully can fill the actual output buffer by copying filtered - * data from temp. A mix of filtered and unfiltered data may be left - * in temp; it will be taken care on the next call to this function. + * We have unfiltered data in temp. If the output buffer isn't full + * yet, try to fill the temp buffer by decoding more data from the + * next filter. Apply the BCJ filter on temp. Then we hopefully can + * fill the actual output buffer by copying filtered data from temp. + * A mix of filtered and unfiltered data may be left in temp; it will + * be taken care on the next call to this function. */ - if (s->temp.size > 0) { + if (b->out_pos < b->out_size) { /* Make b->out{,_pos,_size} temporarily point to s->temp. */ s->out = b->out; s->out_pos = b->out_pos; diff --git a/mm/backing-dev.c b/mm/backing-dev.c index d6edf8d14f9c..a87da524a4a0 100644 --- a/mm/backing-dev.c +++ b/mm/backing-dev.c @@ -359,6 +359,17 @@ static unsigned long bdi_longest_inactive(void) return max(5UL * 60 * HZ, interval); } +/* + * Clear pending bit and wakeup anybody waiting for flusher thread creation or + * shutdown + */ +static void bdi_clear_pending(struct backing_dev_info *bdi) +{ + clear_bit(BDI_pending, &bdi->state); + smp_mb__after_clear_bit(); + wake_up_bit(&bdi->state, BDI_pending); +} + static int bdi_forker_thread(void *ptr) { struct bdi_writeback *me = ptr; @@ -390,6 +401,13 @@ static int bdi_forker_thread(void *ptr) } spin_lock_bh(&bdi_lock); + /* + * In the following loop we are going to check whether we have + * some work to do without any synchronization with tasks + * waking us up to do work for them. So we have to set task + * state already here so that we don't miss wakeups coming + * after we verify some condition. + */ set_current_state(TASK_INTERRUPTIBLE); list_for_each_entry(bdi, &bdi_list, bdi_list) { @@ -469,11 +487,13 @@ static int bdi_forker_thread(void *ptr) spin_unlock_bh(&bdi->wb_lock); wake_up_process(task); } + bdi_clear_pending(bdi); break; case KILL_THREAD: __set_current_state(TASK_RUNNING); kthread_stop(task); + bdi_clear_pending(bdi); break; case NO_ACTION: @@ -489,16 +509,8 @@ static int bdi_forker_thread(void *ptr) else schedule_timeout(msecs_to_jiffies(dirty_writeback_interval * 10)); try_to_freeze(); - /* Back to the main loop */ - continue; + break; } - - /* - * Clear pending bit and wakeup anybody waiting to tear us down. - */ - clear_bit(BDI_pending, &bdi->state); - smp_mb__after_clear_bit(); - wake_up_bit(&bdi->state, BDI_pending); } return 0; diff --git a/mm/filemap.c b/mm/filemap.c index 645a080ba4df..7771871fa353 100644 --- a/mm/filemap.c +++ b/mm/filemap.c @@ -827,13 +827,14 @@ unsigned find_get_pages(struct address_space *mapping, pgoff_t start, { unsigned int i; unsigned int ret; - unsigned int nr_found; + unsigned int nr_found, nr_skip; rcu_read_lock(); restart: nr_found = radix_tree_gang_lookup_slot(&mapping->page_tree, (void ***)pages, NULL, start, nr_pages); ret = 0; + nr_skip = 0; for (i = 0; i < nr_found; i++) { struct page *page; repeat: @@ -856,6 +857,7 @@ repeat: * here as an exceptional entry: so skip over it - * we only reach this from invalidate_mapping_pages(). */ + nr_skip++; continue; } @@ -876,7 +878,7 @@ repeat: * If all entries were removed before we could secure them, * try again, because callers stop trying once 0 is returned. */ - if (unlikely(!ret && nr_found)) + if (unlikely(!ret && nr_found > nr_skip)) goto restart; rcu_read_unlock(); return ret; diff --git a/mm/memcontrol.c b/mm/memcontrol.c index ebd1e86bef1c..3508777837c7 100644 --- a/mm/memcontrol.c +++ b/mm/memcontrol.c @@ -204,50 +204,6 @@ struct mem_cgroup_eventfd_list { static void mem_cgroup_threshold(struct mem_cgroup *mem); static void mem_cgroup_oom_notify(struct mem_cgroup *mem); -enum { - SCAN_BY_LIMIT, - SCAN_BY_SYSTEM, - NR_SCAN_CONTEXT, - SCAN_BY_SHRINK, /* not recorded now */ -}; - -enum { - SCAN, - SCAN_ANON, - SCAN_FILE, - ROTATE, - ROTATE_ANON, - ROTATE_FILE, - FREED, - FREED_ANON, - FREED_FILE, - ELAPSED, - NR_SCANSTATS, -}; - -struct scanstat { - spinlock_t lock; - unsigned long stats[NR_SCAN_CONTEXT][NR_SCANSTATS]; - unsigned long rootstats[NR_SCAN_CONTEXT][NR_SCANSTATS]; -}; - -const char *scanstat_string[NR_SCANSTATS] = { - "scanned_pages", - "scanned_anon_pages", - "scanned_file_pages", - "rotated_pages", - "rotated_anon_pages", - "rotated_file_pages", - "freed_pages", - "freed_anon_pages", - "freed_file_pages", - "elapsed_ns", -}; -#define SCANSTAT_WORD_LIMIT "_by_limit" -#define SCANSTAT_WORD_SYSTEM "_by_system" -#define SCANSTAT_WORD_HIERARCHY "_under_hierarchy" - - /* * The memory controller data structure. The memory controller controls both * page cache and RSS per cgroup. We would eventually like to provide @@ -313,8 +269,7 @@ struct mem_cgroup { /* For oom notifier event fd */ struct list_head oom_notify; - /* For recording LRU-scan statistics */ - struct scanstat scanstat; + /* * Should we move charges of a task when a task is moved into this * mem_cgroup ? And what type of charges should we move ? @@ -1678,44 +1633,6 @@ bool mem_cgroup_reclaimable(struct mem_cgroup *mem, bool noswap) } #endif -static void __mem_cgroup_record_scanstat(unsigned long *stats, - struct memcg_scanrecord *rec) -{ - - stats[SCAN] += rec->nr_scanned[0] + rec->nr_scanned[1]; - stats[SCAN_ANON] += rec->nr_scanned[0]; - stats[SCAN_FILE] += rec->nr_scanned[1]; - - stats[ROTATE] += rec->nr_rotated[0] + rec->nr_rotated[1]; - stats[ROTATE_ANON] += rec->nr_rotated[0]; - stats[ROTATE_FILE] += rec->nr_rotated[1]; - - stats[FREED] += rec->nr_freed[0] + rec->nr_freed[1]; - stats[FREED_ANON] += rec->nr_freed[0]; - stats[FREED_FILE] += rec->nr_freed[1]; - - stats[ELAPSED] += rec->elapsed; -} - -static void mem_cgroup_record_scanstat(struct memcg_scanrecord *rec) -{ - struct mem_cgroup *mem; - int context = rec->context; - - if (context >= NR_SCAN_CONTEXT) - return; - - mem = rec->mem; - spin_lock(&mem->scanstat.lock); - __mem_cgroup_record_scanstat(mem->scanstat.stats[context], rec); - spin_unlock(&mem->scanstat.lock); - - mem = rec->root; - spin_lock(&mem->scanstat.lock); - __mem_cgroup_record_scanstat(mem->scanstat.rootstats[context], rec); - spin_unlock(&mem->scanstat.lock); -} - /* * Scan the hierarchy if needed to reclaim memory. We remember the last child * we reclaimed from, so that we don't end up penalizing one child extensively @@ -1740,9 +1657,8 @@ static int mem_cgroup_hierarchical_reclaim(struct mem_cgroup *root_mem, bool noswap = reclaim_options & MEM_CGROUP_RECLAIM_NOSWAP; bool shrink = reclaim_options & MEM_CGROUP_RECLAIM_SHRINK; bool check_soft = reclaim_options & MEM_CGROUP_RECLAIM_SOFT; - struct memcg_scanrecord rec; unsigned long excess; - unsigned long scanned; + unsigned long nr_scanned; excess = res_counter_soft_limit_excess(&root_mem->res) >> PAGE_SHIFT; @@ -1750,15 +1666,6 @@ static int mem_cgroup_hierarchical_reclaim(struct mem_cgroup *root_mem, if (!check_soft && !shrink && root_mem->memsw_is_minimum) noswap = true; - if (shrink) - rec.context = SCAN_BY_SHRINK; - else if (check_soft) - rec.context = SCAN_BY_SYSTEM; - else - rec.context = SCAN_BY_LIMIT; - - rec.root = root_mem; - while (1) { victim = mem_cgroup_select_victim(root_mem); if (victim == root_mem) { @@ -1799,23 +1706,14 @@ static int mem_cgroup_hierarchical_reclaim(struct mem_cgroup *root_mem, css_put(&victim->css); continue; } - rec.mem = victim; - rec.nr_scanned[0] = 0; - rec.nr_scanned[1] = 0; - rec.nr_rotated[0] = 0; - rec.nr_rotated[1] = 0; - rec.nr_freed[0] = 0; - rec.nr_freed[1] = 0; - rec.elapsed = 0; /* we use swappiness of local cgroup */ if (check_soft) { ret = mem_cgroup_shrink_node_zone(victim, gfp_mask, - noswap, zone, &rec, &scanned); - *total_scanned += scanned; + noswap, zone, &nr_scanned); + *total_scanned += nr_scanned; } else ret = try_to_free_mem_cgroup_pages(victim, gfp_mask, - noswap, &rec); - mem_cgroup_record_scanstat(&rec); + noswap); css_put(&victim->css); /* * At shrinking usage, we can't check we should stop here or @@ -3854,18 +3752,14 @@ try_to_free: /* try to free all pages in this cgroup */ shrink = 1; while (nr_retries && mem->res.usage > 0) { - struct memcg_scanrecord rec; int progress; if (signal_pending(current)) { ret = -EINTR; goto out; } - rec.context = SCAN_BY_SHRINK; - rec.mem = mem; - rec.root = mem; progress = try_to_free_mem_cgroup_pages(mem, GFP_KERNEL, - false, &rec); + false); if (!progress) { nr_retries--; /* maybe some writeback is necessary */ @@ -4709,54 +4603,6 @@ static int mem_control_numa_stat_open(struct inode *unused, struct file *file) } #endif /* CONFIG_NUMA */ -static int mem_cgroup_vmscan_stat_read(struct cgroup *cgrp, - struct cftype *cft, - struct cgroup_map_cb *cb) -{ - struct mem_cgroup *mem = mem_cgroup_from_cont(cgrp); - char string[64]; - int i; - - for (i = 0; i < NR_SCANSTATS; i++) { - strcpy(string, scanstat_string[i]); - strcat(string, SCANSTAT_WORD_LIMIT); - cb->fill(cb, string, mem->scanstat.stats[SCAN_BY_LIMIT][i]); - } - - for (i = 0; i < NR_SCANSTATS; i++) { - strcpy(string, scanstat_string[i]); - strcat(string, SCANSTAT_WORD_SYSTEM); - cb->fill(cb, string, mem->scanstat.stats[SCAN_BY_SYSTEM][i]); - } - - for (i = 0; i < NR_SCANSTATS; i++) { - strcpy(string, scanstat_string[i]); - strcat(string, SCANSTAT_WORD_LIMIT); - strcat(string, SCANSTAT_WORD_HIERARCHY); - cb->fill(cb, string, mem->scanstat.rootstats[SCAN_BY_LIMIT][i]); - } - for (i = 0; i < NR_SCANSTATS; i++) { - strcpy(string, scanstat_string[i]); - strcat(string, SCANSTAT_WORD_SYSTEM); - strcat(string, SCANSTAT_WORD_HIERARCHY); - cb->fill(cb, string, mem->scanstat.rootstats[SCAN_BY_SYSTEM][i]); - } - return 0; -} - -static int mem_cgroup_reset_vmscan_stat(struct cgroup *cgrp, - unsigned int event) -{ - struct mem_cgroup *mem = mem_cgroup_from_cont(cgrp); - - spin_lock(&mem->scanstat.lock); - memset(&mem->scanstat.stats, 0, sizeof(mem->scanstat.stats)); - memset(&mem->scanstat.rootstats, 0, sizeof(mem->scanstat.rootstats)); - spin_unlock(&mem->scanstat.lock); - return 0; -} - - static struct cftype mem_cgroup_files[] = { { .name = "usage_in_bytes", @@ -4827,11 +4673,6 @@ static struct cftype mem_cgroup_files[] = { .mode = S_IRUGO, }, #endif - { - .name = "vmscan_stat", - .read_map = mem_cgroup_vmscan_stat_read, - .trigger = mem_cgroup_reset_vmscan_stat, - }, }; #ifdef CONFIG_CGROUP_MEM_RES_CTLR_SWAP @@ -5095,7 +4936,6 @@ mem_cgroup_create(struct cgroup_subsys *ss, struct cgroup *cont) atomic_set(&mem->refcnt, 1); mem->move_charge_at_immigrate = 0; mutex_init(&mem->thresholds_lock); - spin_lock_init(&mem->scanstat.lock); return &mem->css; free_out: __mem_cgroup_free(mem); diff --git a/mm/mempolicy.c b/mm/mempolicy.c index 8b57173c1dd5..9c51f9f58cac 100644 --- a/mm/mempolicy.c +++ b/mm/mempolicy.c @@ -636,7 +636,6 @@ static int mbind_range(struct mm_struct *mm, unsigned long start, struct vm_area_struct *prev; struct vm_area_struct *vma; int err = 0; - pgoff_t pgoff; unsigned long vmstart; unsigned long vmend; @@ -649,9 +648,9 @@ static int mbind_range(struct mm_struct *mm, unsigned long start, vmstart = max(start, vma->vm_start); vmend = min(end, vma->vm_end); - pgoff = vma->vm_pgoff + ((start - vma->vm_start) >> PAGE_SHIFT); prev = vma_merge(mm, prev, vmstart, vmend, vma->vm_flags, - vma->anon_vma, vma->vm_file, pgoff, new_pol); + vma->anon_vma, vma->vm_file, vma->vm_pgoff, + new_pol); if (prev) { vma = prev; next = vma->vm_next; @@ -1412,7 +1411,9 @@ asmlinkage long compat_sys_get_mempolicy(int __user *policy, err = sys_get_mempolicy(policy, nm, nr_bits+1, addr, flags); if (!err && nmask) { - err = copy_from_user(bm, nm, alloc_size); + unsigned long copy_size; + copy_size = min_t(unsigned long, sizeof(bm), alloc_size); + err = copy_from_user(bm, nm, copy_size); /* ensure entire bitmap is zeroed */ err |= clear_user(nmask, ALIGN(maxnode-1, 8) / 8); err |= compat_put_bitmap(nmask, bm, nr_bits); diff --git a/mm/slub.c b/mm/slub.c index 9f662d70eb47..7c54fe83a90c 100644 --- a/mm/slub.c +++ b/mm/slub.c @@ -2377,7 +2377,7 @@ static void __slab_free(struct kmem_cache *s, struct page *page, */ if (unlikely(!prior)) { remove_full(s, page); - add_partial(n, page, 0); + add_partial(n, page, 1); stat(s, FREE_ADD_PARTIAL); } } diff --git a/mm/vmalloc.c b/mm/vmalloc.c index 7ef0903058ee..5016f19e1661 100644 --- a/mm/vmalloc.c +++ b/mm/vmalloc.c @@ -2140,6 +2140,14 @@ struct vm_struct *alloc_vm_area(size_t size) return NULL; } + /* + * If the allocated address space is passed to a hypercall + * before being used then we cannot rely on a page fault to + * trigger an update of the page tables. So sync all the page + * tables here. + */ + vmalloc_sync_all(); + return area; } EXPORT_SYMBOL_GPL(alloc_vm_area); diff --git a/mm/vmscan.c b/mm/vmscan.c index b7719ec10dc5..b55699cd9067 100644 --- a/mm/vmscan.c +++ b/mm/vmscan.c @@ -105,7 +105,6 @@ struct scan_control { /* Which cgroup do we reclaim from */ struct mem_cgroup *mem_cgroup; - struct memcg_scanrecord *memcg_record; /* * Nodemask of nodes allowed by the caller. If NULL, all nodes @@ -1349,8 +1348,6 @@ putback_lru_pages(struct zone *zone, struct scan_control *sc, int file = is_file_lru(lru); int numpages = hpage_nr_pages(page); reclaim_stat->recent_rotated[file] += numpages; - if (!scanning_global_lru(sc)) - sc->memcg_record->nr_rotated[file] += numpages; } if (!pagevec_add(&pvec, page)) { spin_unlock_irq(&zone->lru_lock); @@ -1394,10 +1391,6 @@ static noinline_for_stack void update_isolated_counts(struct zone *zone, reclaim_stat->recent_scanned[0] += *nr_anon; reclaim_stat->recent_scanned[1] += *nr_file; - if (!scanning_global_lru(sc)) { - sc->memcg_record->nr_scanned[0] += *nr_anon; - sc->memcg_record->nr_scanned[1] += *nr_file; - } } /* @@ -1511,9 +1504,6 @@ shrink_inactive_list(unsigned long nr_to_scan, struct zone *zone, nr_reclaimed += shrink_page_list(&page_list, zone, sc); } - if (!scanning_global_lru(sc)) - sc->memcg_record->nr_freed[file] += nr_reclaimed; - local_irq_disable(); if (current_is_kswapd()) __count_vm_events(KSWAPD_STEAL, nr_reclaimed); @@ -1613,8 +1603,6 @@ static void shrink_active_list(unsigned long nr_pages, struct zone *zone, } reclaim_stat->recent_scanned[file] += nr_taken; - if (!scanning_global_lru(sc)) - sc->memcg_record->nr_scanned[file] += nr_taken; __count_zone_vm_events(PGREFILL, zone, pgscanned); if (file) @@ -1666,8 +1654,6 @@ static void shrink_active_list(unsigned long nr_pages, struct zone *zone, * get_scan_ratio. */ reclaim_stat->recent_rotated[file] += nr_rotated; - if (!scanning_global_lru(sc)) - sc->memcg_record->nr_rotated[file] += nr_rotated; move_active_pages_to_lru(zone, &l_active, LRU_ACTIVE + file * LRU_FILE); @@ -1808,23 +1794,15 @@ static void get_scan_count(struct zone *zone, struct scan_control *sc, u64 fraction[2], denominator; enum lru_list l; int noswap = 0; - int force_scan = 0; + bool force_scan = false; unsigned long nr_force_scan[2]; - - anon = zone_nr_lru_pages(zone, sc, LRU_ACTIVE_ANON) + - zone_nr_lru_pages(zone, sc, LRU_INACTIVE_ANON); - file = zone_nr_lru_pages(zone, sc, LRU_ACTIVE_FILE) + - zone_nr_lru_pages(zone, sc, LRU_INACTIVE_FILE); - - if (((anon + file) >> priority) < SWAP_CLUSTER_MAX) { - /* kswapd does zone balancing and need to scan this zone */ - if (scanning_global_lru(sc) && current_is_kswapd()) - force_scan = 1; - /* memcg may have small limit and need to avoid priority drop */ - if (!scanning_global_lru(sc)) - force_scan = 1; - } + /* kswapd does zone balancing and needs to scan this zone */ + if (scanning_global_lru(sc) && current_is_kswapd()) + force_scan = true; + /* memcg may have small limit and need to avoid priority drop */ + if (!scanning_global_lru(sc)) + force_scan = true; /* If we have no swap space, do not bother scanning anon pages. */ if (!sc->may_swap || (nr_swap_pages <= 0)) { @@ -1837,6 +1815,11 @@ static void get_scan_count(struct zone *zone, struct scan_control *sc, goto out; } + anon = zone_nr_lru_pages(zone, sc, LRU_ACTIVE_ANON) + + zone_nr_lru_pages(zone, sc, LRU_INACTIVE_ANON); + file = zone_nr_lru_pages(zone, sc, LRU_ACTIVE_FILE) + + zone_nr_lru_pages(zone, sc, LRU_INACTIVE_FILE); + if (scanning_global_lru(sc)) { free = zone_page_state(zone, NR_FREE_PAGES); /* If we have very few page cache pages, @@ -2268,10 +2251,9 @@ unsigned long try_to_free_pages(struct zonelist *zonelist, int order, #ifdef CONFIG_CGROUP_MEM_RES_CTLR unsigned long mem_cgroup_shrink_node_zone(struct mem_cgroup *mem, - gfp_t gfp_mask, bool noswap, - struct zone *zone, - struct memcg_scanrecord *rec, - unsigned long *scanned) + gfp_t gfp_mask, bool noswap, + struct zone *zone, + unsigned long *nr_scanned) { struct scan_control sc = { .nr_scanned = 0, @@ -2281,9 +2263,7 @@ unsigned long mem_cgroup_shrink_node_zone(struct mem_cgroup *mem, .may_swap = !noswap, .order = 0, .mem_cgroup = mem, - .memcg_record = rec, }; - ktime_t start, end; sc.gfp_mask = (gfp_mask & GFP_RECLAIM_MASK) | (GFP_HIGHUSER_MOVABLE & ~GFP_RECLAIM_MASK); @@ -2292,7 +2272,6 @@ unsigned long mem_cgroup_shrink_node_zone(struct mem_cgroup *mem, sc.may_writepage, sc.gfp_mask); - start = ktime_get(); /* * NOTE: Although we can get the priority field, using it * here is not a good idea, since it limits the pages we can scan. @@ -2301,25 +2280,19 @@ unsigned long mem_cgroup_shrink_node_zone(struct mem_cgroup *mem, * the priority and make it zero. */ shrink_zone(0, zone, &sc); - end = ktime_get(); - - if (rec) - rec->elapsed += ktime_to_ns(ktime_sub(end, start)); - *scanned = sc.nr_scanned; trace_mm_vmscan_memcg_softlimit_reclaim_end(sc.nr_reclaimed); + *nr_scanned = sc.nr_scanned; return sc.nr_reclaimed; } unsigned long try_to_free_mem_cgroup_pages(struct mem_cgroup *mem_cont, gfp_t gfp_mask, - bool noswap, - struct memcg_scanrecord *rec) + bool noswap) { struct zonelist *zonelist; unsigned long nr_reclaimed; - ktime_t start, end; int nid; struct scan_control sc = { .may_writepage = !laptop_mode, @@ -2328,7 +2301,6 @@ unsigned long try_to_free_mem_cgroup_pages(struct mem_cgroup *mem_cont, .nr_to_reclaim = SWAP_CLUSTER_MAX, .order = 0, .mem_cgroup = mem_cont, - .memcg_record = rec, .nodemask = NULL, /* we don't care the placement */ .gfp_mask = (gfp_mask & GFP_RECLAIM_MASK) | (GFP_HIGHUSER_MOVABLE & ~GFP_RECLAIM_MASK), @@ -2337,7 +2309,6 @@ unsigned long try_to_free_mem_cgroup_pages(struct mem_cgroup *mem_cont, .gfp_mask = sc.gfp_mask, }; - start = ktime_get(); /* * Unlike direct reclaim via alloc_pages(), memcg's reclaim doesn't * take care of from where we get pages. So the node where we start the @@ -2352,9 +2323,6 @@ unsigned long try_to_free_mem_cgroup_pages(struct mem_cgroup *mem_cont, sc.gfp_mask); nr_reclaimed = do_try_to_free_pages(zonelist, &sc, &shrink); - end = ktime_get(); - if (rec) - rec->elapsed += ktime_to_ns(ktime_sub(end, start)); trace_mm_vmscan_memcg_reclaim_end(nr_reclaimed); diff --git a/mm/vmstat.c b/mm/vmstat.c index 20c18b7694b2..d52b13d28e8f 100644 --- a/mm/vmstat.c +++ b/mm/vmstat.c @@ -659,7 +659,7 @@ static void walk_zones_in_node(struct seq_file *m, pg_data_t *pgdat, } #endif -#if defined(CONFIG_PROC_FS) || defined(CONFIG_SYSFS) +#if defined(CONFIG_PROC_FS) || defined(CONFIG_SYSFS) || defined(CONFIG_NUMA) #ifdef CONFIG_ZONE_DMA #define TEXT_FOR_DMA(xx) xx "_dma", #else @@ -788,7 +788,7 @@ const char * const vmstat_text[] = { #endif /* CONFIG_VM_EVENTS_COUNTERS */ }; -#endif /* CONFIG_PROC_FS || CONFIG_SYSFS */ +#endif /* CONFIG_PROC_FS || CONFIG_SYSFS || CONFIG_NUMA */ #ifdef CONFIG_PROC_FS diff --git a/net/bluetooth/hci_event.c b/net/bluetooth/hci_event.c index a40170e022e8..7ef4eb4435fb 100644 --- a/net/bluetooth/hci_event.c +++ b/net/bluetooth/hci_event.c @@ -58,8 +58,8 @@ static void hci_cc_inquiry_cancel(struct hci_dev *hdev, struct sk_buff *skb) if (status) return; - if (test_bit(HCI_MGMT, &hdev->flags) && - test_and_clear_bit(HCI_INQUIRY, &hdev->flags)) + if (test_and_clear_bit(HCI_INQUIRY, &hdev->flags) && + test_bit(HCI_MGMT, &hdev->flags)) mgmt_discovering(hdev->id, 0); hci_req_complete(hdev, HCI_OP_INQUIRY_CANCEL, status); @@ -76,8 +76,8 @@ static void hci_cc_exit_periodic_inq(struct hci_dev *hdev, struct sk_buff *skb) if (status) return; - if (test_bit(HCI_MGMT, &hdev->flags) && - test_and_clear_bit(HCI_INQUIRY, &hdev->flags)) + if (test_and_clear_bit(HCI_INQUIRY, &hdev->flags) && + test_bit(HCI_MGMT, &hdev->flags)) mgmt_discovering(hdev->id, 0); hci_conn_check_pending(hdev); @@ -959,9 +959,8 @@ static inline void hci_cs_inquiry(struct hci_dev *hdev, __u8 status) return; } - if (test_bit(HCI_MGMT, &hdev->flags) && - !test_and_set_bit(HCI_INQUIRY, - &hdev->flags)) + if (!test_and_set_bit(HCI_INQUIRY, &hdev->flags) && + test_bit(HCI_MGMT, &hdev->flags)) mgmt_discovering(hdev->id, 1); } @@ -1340,8 +1339,8 @@ static inline void hci_inquiry_complete_evt(struct hci_dev *hdev, struct sk_buff BT_DBG("%s status %d", hdev->name, status); - if (test_bit(HCI_MGMT, &hdev->flags) && - test_and_clear_bit(HCI_INQUIRY, &hdev->flags)) + if (test_and_clear_bit(HCI_INQUIRY, &hdev->flags) && + test_bit(HCI_MGMT, &hdev->flags)) mgmt_discovering(hdev->id, 0); hci_req_complete(hdev, HCI_OP_INQUIRY, status); diff --git a/net/bridge/netfilter/Kconfig b/net/bridge/netfilter/Kconfig index ba6f73eb06c6..a9aff9c7d027 100644 --- a/net/bridge/netfilter/Kconfig +++ b/net/bridge/netfilter/Kconfig @@ -4,7 +4,7 @@ menuconfig BRIDGE_NF_EBTABLES tristate "Ethernet Bridge tables (ebtables) support" - depends on BRIDGE && BRIDGE_NETFILTER + depends on BRIDGE && NETFILTER select NETFILTER_XTABLES help ebtables is a general, extensible frame/packet identification diff --git a/net/caif/caif_dev.c b/net/caif/caif_dev.c index 7c2fa0a08148..7f9ac0742d19 100644 --- a/net/caif/caif_dev.c +++ b/net/caif/caif_dev.c @@ -93,10 +93,14 @@ static struct caif_device_entry *caif_device_alloc(struct net_device *dev) caifdevs = caif_device_list(dev_net(dev)); BUG_ON(!caifdevs); - caifd = kzalloc(sizeof(*caifd), GFP_ATOMIC); + caifd = kzalloc(sizeof(*caifd), GFP_KERNEL); if (!caifd) return NULL; caifd->pcpu_refcnt = alloc_percpu(int); + if (!caifd->pcpu_refcnt) { + kfree(caifd); + return NULL; + } caifd->netdev = dev; dev_hold(dev); return caifd; diff --git a/net/can/af_can.c b/net/can/af_can.c index 8ce926d3b2cb..9b0c32a2690c 100644 --- a/net/can/af_can.c +++ b/net/can/af_can.c @@ -857,7 +857,7 @@ static __exit void can_exit(void) struct net_device *dev; if (stats_timer) - del_timer(&can_stattimer); + del_timer_sync(&can_stattimer); can_remove_proc(); diff --git a/net/core/dev.c b/net/core/dev.c index 17d67b579beb..b10ff0a71855 100644 --- a/net/core/dev.c +++ b/net/core/dev.c @@ -1515,6 +1515,14 @@ static inline bool is_skb_forwardable(struct net_device *dev, */ int dev_forward_skb(struct net_device *dev, struct sk_buff *skb) { + if (skb_shinfo(skb)->tx_flags & SKBTX_DEV_ZEROCOPY) { + if (skb_copy_ubufs(skb, GFP_ATOMIC)) { + atomic_long_inc(&dev->rx_dropped); + kfree_skb(skb); + return NET_RX_DROP; + } + } + skb_orphan(skb); nf_reset(skb); diff --git a/net/core/fib_rules.c b/net/core/fib_rules.c index e7ab0c0285b5..3231b468bb72 100644 --- a/net/core/fib_rules.c +++ b/net/core/fib_rules.c @@ -384,8 +384,8 @@ static int fib_nl_newrule(struct sk_buff *skb, struct nlmsghdr* nlh, void *arg) */ list_for_each_entry(r, &ops->rules_list, list) { if (r->action == FR_ACT_GOTO && - r->target == rule->pref) { - BUG_ON(rtnl_dereference(r->ctarget) != NULL); + r->target == rule->pref && + rtnl_dereference(r->ctarget) == NULL) { rcu_assign_pointer(r->ctarget, rule); if (--ops->unresolved_rules == 0) break; diff --git a/net/core/flow.c b/net/core/flow.c index bf32c33cad3b..555a456efb07 100644 --- a/net/core/flow.c +++ b/net/core/flow.c @@ -30,6 +30,7 @@ struct flow_cache_entry { struct hlist_node hlist; struct list_head gc_list; } u; + struct net *net; u16 family; u8 dir; u32 genid; @@ -172,29 +173,26 @@ static void flow_new_hash_rnd(struct flow_cache *fc, static u32 flow_hash_code(struct flow_cache *fc, struct flow_cache_percpu *fcp, - const struct flowi *key) + const struct flowi *key, + size_t keysize) { const u32 *k = (const u32 *) key; + const u32 length = keysize * sizeof(flow_compare_t) / sizeof(u32); - return jhash2(k, (sizeof(*key) / sizeof(u32)), fcp->hash_rnd) + return jhash2(k, length, fcp->hash_rnd) & (flow_cache_hash_size(fc) - 1); } -typedef unsigned long flow_compare_t; - /* I hear what you're saying, use memcmp. But memcmp cannot make - * important assumptions that we can here, such as alignment and - * constant size. + * important assumptions that we can here, such as alignment. */ -static int flow_key_compare(const struct flowi *key1, const struct flowi *key2) +static int flow_key_compare(const struct flowi *key1, const struct flowi *key2, + size_t keysize) { const flow_compare_t *k1, *k1_lim, *k2; - const int n_elem = sizeof(struct flowi) / sizeof(flow_compare_t); - - BUILD_BUG_ON(sizeof(struct flowi) % sizeof(flow_compare_t)); k1 = (const flow_compare_t *) key1; - k1_lim = k1 + n_elem; + k1_lim = k1 + keysize; k2 = (const flow_compare_t *) key2; @@ -215,6 +213,7 @@ flow_cache_lookup(struct net *net, const struct flowi *key, u16 family, u8 dir, struct flow_cache_entry *fle, *tfle; struct hlist_node *entry; struct flow_cache_object *flo; + size_t keysize; unsigned int hash; local_bh_disable(); @@ -222,6 +221,11 @@ flow_cache_lookup(struct net *net, const struct flowi *key, u16 family, u8 dir, fle = NULL; flo = NULL; + + keysize = flow_key_size(family); + if (!keysize) + goto nocache; + /* Packet really early in init? Making flow_cache_init a * pre-smp initcall would solve this. --RR */ if (!fcp->hash_table) @@ -230,11 +234,12 @@ flow_cache_lookup(struct net *net, const struct flowi *key, u16 family, u8 dir, if (fcp->hash_rnd_recalc) flow_new_hash_rnd(fc, fcp); - hash = flow_hash_code(fc, fcp, key); + hash = flow_hash_code(fc, fcp, key, keysize); hlist_for_each_entry(tfle, entry, &fcp->hash_table[hash], u.hlist) { - if (tfle->family == family && + if (tfle->net == net && + tfle->family == family && tfle->dir == dir && - flow_key_compare(key, &tfle->key) == 0) { + flow_key_compare(key, &tfle->key, keysize) == 0) { fle = tfle; break; } @@ -246,9 +251,10 @@ flow_cache_lookup(struct net *net, const struct flowi *key, u16 family, u8 dir, fle = kmem_cache_alloc(flow_cachep, GFP_ATOMIC); if (fle) { + fle->net = net; fle->family = family; fle->dir = dir; - memcpy(&fle->key, key, sizeof(*key)); + memcpy(&fle->key, key, keysize * sizeof(flow_compare_t)); fle->object = NULL; hlist_add_head(&fle->u.hlist, &fcp->hash_table[hash]); fcp->hash_count++; diff --git a/net/core/skbuff.c b/net/core/skbuff.c index 27002dffe7ed..387703f56fce 100644 --- a/net/core/skbuff.c +++ b/net/core/skbuff.c @@ -611,8 +611,21 @@ struct sk_buff *skb_morph(struct sk_buff *dst, struct sk_buff *src) } EXPORT_SYMBOL_GPL(skb_morph); -/* skb frags copy userspace buffers to kernel */ -static int skb_copy_ubufs(struct sk_buff *skb, gfp_t gfp_mask) +/* skb_copy_ubufs - copy userspace skb frags buffers to kernel + * @skb: the skb to modify + * @gfp_mask: allocation priority + * + * This must be called on SKBTX_DEV_ZEROCOPY skb. + * It will copy all frags into kernel and drop the reference + * to userspace pages. + * + * If this function is called from an interrupt gfp_mask() must be + * %GFP_ATOMIC. + * + * Returns 0 on success or a negative error code on failure + * to allocate kernel memory to copy to. + */ +int skb_copy_ubufs(struct sk_buff *skb, gfp_t gfp_mask) { int i; int num_frags = skb_shinfo(skb)->nr_frags; @@ -652,6 +665,8 @@ static int skb_copy_ubufs(struct sk_buff *skb, gfp_t gfp_mask) skb_shinfo(skb)->frags[i - 1].page = head; head = (struct page *)head->private; } + + skb_shinfo(skb)->tx_flags &= ~SKBTX_DEV_ZEROCOPY; return 0; } @@ -677,7 +692,6 @@ struct sk_buff *skb_clone(struct sk_buff *skb, gfp_t gfp_mask) if (skb_shinfo(skb)->tx_flags & SKBTX_DEV_ZEROCOPY) { if (skb_copy_ubufs(skb, gfp_mask)) return NULL; - skb_shinfo(skb)->tx_flags &= ~SKBTX_DEV_ZEROCOPY; } n = skb + 1; @@ -803,7 +817,6 @@ struct sk_buff *pskb_copy(struct sk_buff *skb, gfp_t gfp_mask) n = NULL; goto out; } - skb_shinfo(skb)->tx_flags &= ~SKBTX_DEV_ZEROCOPY; } for (i = 0; i < skb_shinfo(skb)->nr_frags; i++) { skb_shinfo(n)->frags[i] = skb_shinfo(skb)->frags[i]; @@ -896,7 +909,6 @@ int pskb_expand_head(struct sk_buff *skb, int nhead, int ntail, if (skb_shinfo(skb)->tx_flags & SKBTX_DEV_ZEROCOPY) { if (skb_copy_ubufs(skb, gfp_mask)) goto nofrags; - skb_shinfo(skb)->tx_flags &= ~SKBTX_DEV_ZEROCOPY; } for (i = 0; i < skb_shinfo(skb)->nr_frags; i++) get_page(skb_shinfo(skb)->frags[i].page); diff --git a/net/ethernet/eth.c b/net/ethernet/eth.c index 27997d35ebd3..a2468363978e 100644 --- a/net/ethernet/eth.c +++ b/net/ethernet/eth.c @@ -340,7 +340,7 @@ void ether_setup(struct net_device *dev) dev->addr_len = ETH_ALEN; dev->tx_queue_len = 1000; /* Ethernet wants good queues */ dev->flags = IFF_BROADCAST|IFF_MULTICAST; - dev->priv_flags = IFF_TX_SKB_SHARING; + dev->priv_flags |= IFF_TX_SKB_SHARING; memset(dev->broadcast, 0xFF, ETH_ALEN); diff --git a/net/ipv4/af_inet.c b/net/ipv4/af_inet.c index 1b745d412cf6..dd2b9478ddd1 100644 --- a/net/ipv4/af_inet.c +++ b/net/ipv4/af_inet.c @@ -466,8 +466,13 @@ int inet_bind(struct socket *sock, struct sockaddr *uaddr, int addr_len) goto out; if (addr->sin_family != AF_INET) { + /* Compatibility games : accept AF_UNSPEC (mapped to AF_INET) + * only if s_addr is INADDR_ANY. + */ err = -EAFNOSUPPORT; - goto out; + if (addr->sin_family != AF_UNSPEC || + addr->sin_addr.s_addr != htonl(INADDR_ANY)) + goto out; } chk_addr_ret = inet_addr_type(sock_net(sk), addr->sin_addr.s_addr); diff --git a/net/ipv4/fib_semantics.c b/net/ipv4/fib_semantics.c index 33e2c35b74b7..80106d89d548 100644 --- a/net/ipv4/fib_semantics.c +++ b/net/ipv4/fib_semantics.c @@ -142,6 +142,14 @@ const struct fib_prop fib_props[RTN_MAX + 1] = { }; /* Release a nexthop info record */ +static void free_fib_info_rcu(struct rcu_head *head) +{ + struct fib_info *fi = container_of(head, struct fib_info, rcu); + + if (fi->fib_metrics != (u32 *) dst_default_metrics) + kfree(fi->fib_metrics); + kfree(fi); +} void free_fib_info(struct fib_info *fi) { @@ -156,7 +164,7 @@ void free_fib_info(struct fib_info *fi) } endfor_nexthops(fi); fib_info_cnt--; release_net(fi->fib_net); - kfree_rcu(fi, rcu); + call_rcu(&fi->rcu, free_fib_info_rcu); } void fib_release_info(struct fib_info *fi) diff --git a/net/ipv4/netfilter/ip_queue.c b/net/ipv4/netfilter/ip_queue.c index 5c9b9d963918..e59aabd0eae4 100644 --- a/net/ipv4/netfilter/ip_queue.c +++ b/net/ipv4/netfilter/ip_queue.c @@ -218,6 +218,7 @@ ipq_build_packet_message(struct nf_queue_entry *entry, int *errp) return skb; nlmsg_failure: + kfree_skb(skb); *errp = -EINVAL; printk(KERN_ERR "ip_queue: error creating packet message\n"); return NULL; @@ -313,7 +314,7 @@ ipq_set_verdict(struct ipq_verdict_msg *vmsg, unsigned int len) { struct nf_queue_entry *entry; - if (vmsg->value > NF_MAX_VERDICT) + if (vmsg->value > NF_MAX_VERDICT || vmsg->value == NF_STOLEN) return -EINVAL; entry = ipq_find_dequeue_entry(vmsg->id); @@ -358,12 +359,9 @@ ipq_receive_peer(struct ipq_peer_msg *pmsg, break; case IPQM_VERDICT: - if (pmsg->msg.verdict.value > NF_MAX_VERDICT) - status = -EINVAL; - else - status = ipq_set_verdict(&pmsg->msg.verdict, - len - sizeof(*pmsg)); - break; + status = ipq_set_verdict(&pmsg->msg.verdict, + len - sizeof(*pmsg)); + break; default: status = -EINVAL; } diff --git a/net/ipv4/proc.c b/net/ipv4/proc.c index b14ec7d03b6e..4bfad5da94f4 100644 --- a/net/ipv4/proc.c +++ b/net/ipv4/proc.c @@ -254,6 +254,8 @@ static const struct snmp_mib snmp4_net_list[] = { SNMP_MIB_ITEM("TCPDeferAcceptDrop", LINUX_MIB_TCPDEFERACCEPTDROP), SNMP_MIB_ITEM("IPReversePathFilter", LINUX_MIB_IPRPFILTER), SNMP_MIB_ITEM("TCPTimeWaitOverflow", LINUX_MIB_TCPTIMEWAITOVERFLOW), + SNMP_MIB_ITEM("TCPReqQFullDoCookies", LINUX_MIB_TCPREQQFULLDOCOOKIES), + SNMP_MIB_ITEM("TCPReqQFullDrop", LINUX_MIB_TCPREQQFULLDROP), SNMP_MIB_SENTINEL }; diff --git a/net/ipv4/tcp_input.c b/net/ipv4/tcp_input.c index ea0d2183df4b..21fab3edb92c 100644 --- a/net/ipv4/tcp_input.c +++ b/net/ipv4/tcp_input.c @@ -1124,7 +1124,7 @@ static int tcp_is_sackblock_valid(struct tcp_sock *tp, int is_dsack, return 0; /* ...Then it's D-SACK, and must reside below snd_una completely */ - if (!after(end_seq, tp->snd_una)) + if (after(end_seq, tp->snd_una)) return 0; if (!before(start_seq, tp->undo_marker)) diff --git a/net/ipv4/tcp_ipv4.c b/net/ipv4/tcp_ipv4.c index 1c12b8ec849d..c34f01513945 100644 --- a/net/ipv4/tcp_ipv4.c +++ b/net/ipv4/tcp_ipv4.c @@ -808,20 +808,38 @@ static void tcp_v4_reqsk_destructor(struct request_sock *req) kfree(inet_rsk(req)->opt); } -static void syn_flood_warning(const struct sk_buff *skb) +/* + * Return 1 if a syncookie should be sent + */ +int tcp_syn_flood_action(struct sock *sk, + const struct sk_buff *skb, + const char *proto) { - const char *msg; + const char *msg = "Dropping request"; + int want_cookie = 0; + struct listen_sock *lopt; + + #ifdef CONFIG_SYN_COOKIES - if (sysctl_tcp_syncookies) + if (sysctl_tcp_syncookies) { msg = "Sending cookies"; - else + want_cookie = 1; + NET_INC_STATS_BH(sock_net(sk), LINUX_MIB_TCPREQQFULLDOCOOKIES); + } else #endif - msg = "Dropping request"; + NET_INC_STATS_BH(sock_net(sk), LINUX_MIB_TCPREQQFULLDROP); - pr_info("TCP: Possible SYN flooding on port %d. %s.\n", - ntohs(tcp_hdr(skb)->dest), msg); + lopt = inet_csk(sk)->icsk_accept_queue.listen_opt; + if (!lopt->synflood_warned) { + lopt->synflood_warned = 1; + pr_info("%s: Possible SYN flooding on port %d. %s. " + " Check SNMP counters.\n", + proto, ntohs(tcp_hdr(skb)->dest), msg); + } + return want_cookie; } +EXPORT_SYMBOL(tcp_syn_flood_action); /* * Save and compile IPv4 options into the request_sock if needed. @@ -1235,11 +1253,7 @@ int tcp_v4_conn_request(struct sock *sk, struct sk_buff *skb) __be32 saddr = ip_hdr(skb)->saddr; __be32 daddr = ip_hdr(skb)->daddr; __u32 isn = TCP_SKB_CB(skb)->when; -#ifdef CONFIG_SYN_COOKIES int want_cookie = 0; -#else -#define want_cookie 0 /* Argh, why doesn't gcc optimize this :( */ -#endif /* Never answer to SYNs send to broadcast or multicast */ if (skb_rtable(skb)->rt_flags & (RTCF_BROADCAST | RTCF_MULTICAST)) @@ -1250,14 +1264,9 @@ int tcp_v4_conn_request(struct sock *sk, struct sk_buff *skb) * evidently real one. */ if (inet_csk_reqsk_queue_is_full(sk) && !isn) { - if (net_ratelimit()) - syn_flood_warning(skb); -#ifdef CONFIG_SYN_COOKIES - if (sysctl_tcp_syncookies) { - want_cookie = 1; - } else -#endif - goto drop; + want_cookie = tcp_syn_flood_action(sk, skb, "TCP"); + if (!want_cookie) + goto drop; } /* Accept backlog is full. If we have already queued enough @@ -1303,9 +1312,7 @@ int tcp_v4_conn_request(struct sock *sk, struct sk_buff *skb) while (l-- > 0) *c++ ^= *hash_location++; -#ifdef CONFIG_SYN_COOKIES want_cookie = 0; /* not our kind of cookie */ -#endif tmp_ext.cookie_out_never = 0; /* false */ tmp_ext.cookie_plus = tmp_opt.cookie_plus; } else if (!tp->rx_opt.cookie_in_always) { diff --git a/net/ipv6/addrconf.c b/net/ipv6/addrconf.c index f012ebd87b43..12368c586068 100644 --- a/net/ipv6/addrconf.c +++ b/net/ipv6/addrconf.c @@ -374,8 +374,8 @@ static struct inet6_dev * ipv6_add_dev(struct net_device *dev) "%s(): cannot allocate memory for statistics; dev=%s.\n", __func__, dev->name)); neigh_parms_release(&nd_tbl, ndev->nd_parms); - ndev->dead = 1; - in6_dev_finish_destroy(ndev); + dev_put(dev); + kfree(ndev); return NULL; } diff --git a/net/ipv6/datagram.c b/net/ipv6/datagram.c index 9ef1831746ef..b46e9f88ce37 100644 --- a/net/ipv6/datagram.c +++ b/net/ipv6/datagram.c @@ -599,7 +599,7 @@ int datagram_recv_ctl(struct sock *sk, struct msghdr *msg, struct sk_buff *skb) return 0; } -int datagram_send_ctl(struct net *net, +int datagram_send_ctl(struct net *net, struct sock *sk, struct msghdr *msg, struct flowi6 *fl6, struct ipv6_txoptions *opt, int *hlimit, int *tclass, int *dontfrag) @@ -658,7 +658,8 @@ int datagram_send_ctl(struct net *net, if (addr_type != IPV6_ADDR_ANY) { int strict = __ipv6_addr_src_scope(addr_type) <= IPV6_ADDR_SCOPE_LINKLOCAL; - if (!ipv6_chk_addr(net, &src_info->ipi6_addr, + if (!inet_sk(sk)->transparent && + !ipv6_chk_addr(net, &src_info->ipi6_addr, strict ? dev : NULL, 0)) err = -EINVAL; else diff --git a/net/ipv6/ip6_flowlabel.c b/net/ipv6/ip6_flowlabel.c index f3caf1b8d572..543039450193 100644 --- a/net/ipv6/ip6_flowlabel.c +++ b/net/ipv6/ip6_flowlabel.c @@ -322,8 +322,8 @@ static int fl6_renew(struct ip6_flowlabel *fl, unsigned long linger, unsigned lo } static struct ip6_flowlabel * -fl_create(struct net *net, struct in6_flowlabel_req *freq, char __user *optval, - int optlen, int *err_p) +fl_create(struct net *net, struct sock *sk, struct in6_flowlabel_req *freq, + char __user *optval, int optlen, int *err_p) { struct ip6_flowlabel *fl = NULL; int olen; @@ -360,7 +360,7 @@ fl_create(struct net *net, struct in6_flowlabel_req *freq, char __user *optval, msg.msg_control = (void*)(fl->opt+1); memset(&flowi6, 0, sizeof(flowi6)); - err = datagram_send_ctl(net, &msg, &flowi6, fl->opt, &junk, + err = datagram_send_ctl(net, sk, &msg, &flowi6, fl->opt, &junk, &junk, &junk); if (err) goto done; @@ -528,7 +528,7 @@ int ipv6_flowlabel_opt(struct sock *sk, char __user *optval, int optlen) if (freq.flr_label & ~IPV6_FLOWLABEL_MASK) return -EINVAL; - fl = fl_create(net, &freq, optval, optlen, &err); + fl = fl_create(net, sk, &freq, optval, optlen, &err); if (fl == NULL) return err; sfl1 = kmalloc(sizeof(*sfl1), GFP_KERNEL); diff --git a/net/ipv6/ipv6_sockglue.c b/net/ipv6/ipv6_sockglue.c index 147ede38ab48..2fbda5fc4cc4 100644 --- a/net/ipv6/ipv6_sockglue.c +++ b/net/ipv6/ipv6_sockglue.c @@ -475,7 +475,7 @@ sticky_done: msg.msg_controllen = optlen; msg.msg_control = (void*)(opt+1); - retv = datagram_send_ctl(net, &msg, &fl6, opt, &junk, &junk, + retv = datagram_send_ctl(net, sk, &msg, &fl6, opt, &junk, &junk, &junk); if (retv) goto done; diff --git a/net/ipv6/netfilter/ip6_queue.c b/net/ipv6/netfilter/ip6_queue.c index 249394863284..e63c3972a739 100644 --- a/net/ipv6/netfilter/ip6_queue.c +++ b/net/ipv6/netfilter/ip6_queue.c @@ -218,6 +218,7 @@ ipq_build_packet_message(struct nf_queue_entry *entry, int *errp) return skb; nlmsg_failure: + kfree_skb(skb); *errp = -EINVAL; printk(KERN_ERR "ip6_queue: error creating packet message\n"); return NULL; @@ -313,7 +314,7 @@ ipq_set_verdict(struct ipq_verdict_msg *vmsg, unsigned int len) { struct nf_queue_entry *entry; - if (vmsg->value > NF_MAX_VERDICT) + if (vmsg->value > NF_MAX_VERDICT || vmsg->value == NF_STOLEN) return -EINVAL; entry = ipq_find_dequeue_entry(vmsg->id); @@ -358,12 +359,9 @@ ipq_receive_peer(struct ipq_peer_msg *pmsg, break; case IPQM_VERDICT: - if (pmsg->msg.verdict.value > NF_MAX_VERDICT) - status = -EINVAL; - else - status = ipq_set_verdict(&pmsg->msg.verdict, - len - sizeof(*pmsg)); - break; + status = ipq_set_verdict(&pmsg->msg.verdict, + len - sizeof(*pmsg)); + break; default: status = -EINVAL; } diff --git a/net/ipv6/raw.c b/net/ipv6/raw.c index 6a79f3081bdb..343852e5c703 100644 --- a/net/ipv6/raw.c +++ b/net/ipv6/raw.c @@ -817,8 +817,8 @@ static int rawv6_sendmsg(struct kiocb *iocb, struct sock *sk, memset(opt, 0, sizeof(struct ipv6_txoptions)); opt->tot_len = sizeof(struct ipv6_txoptions); - err = datagram_send_ctl(sock_net(sk), msg, &fl6, opt, &hlimit, - &tclass, &dontfrag); + err = datagram_send_ctl(sock_net(sk), sk, msg, &fl6, opt, + &hlimit, &tclass, &dontfrag); if (err < 0) { fl6_sock_release(flowlabel); return err; diff --git a/net/ipv6/route.c b/net/ipv6/route.c index 9e69eb0ec6dd..1250f9020670 100644 --- a/net/ipv6/route.c +++ b/net/ipv6/route.c @@ -104,6 +104,9 @@ static u32 *ipv6_cow_metrics(struct dst_entry *dst, unsigned long old) struct inet_peer *peer; u32 *p = NULL; + if (!(rt->dst.flags & DST_HOST)) + return NULL; + if (!rt->rt6i_peer) rt6_bind_peer(rt, 1); @@ -252,6 +255,9 @@ static void ip6_dst_destroy(struct dst_entry *dst) struct inet6_dev *idev = rt->rt6i_idev; struct inet_peer *peer = rt->rt6i_peer; + if (!(rt->dst.flags & DST_HOST)) + dst_destroy_metrics_generic(dst); + if (idev != NULL) { rt->rt6i_idev = NULL; in6_dev_put(idev); @@ -723,9 +729,7 @@ static struct rt6_info *rt6_alloc_cow(const struct rt6_info *ort, ipv6_addr_copy(&rt->rt6i_gateway, daddr); } - rt->rt6i_dst.plen = 128; rt->rt6i_flags |= RTF_CACHE; - rt->dst.flags |= DST_HOST; #ifdef CONFIG_IPV6_SUBTREES if (rt->rt6i_src.plen && saddr) { @@ -775,9 +779,7 @@ static struct rt6_info *rt6_alloc_clone(struct rt6_info *ort, struct rt6_info *rt = ip6_rt_copy(ort, daddr); if (rt) { - rt->rt6i_dst.plen = 128; rt->rt6i_flags |= RTF_CACHE; - rt->dst.flags |= DST_HOST; dst_set_neighbour(&rt->dst, neigh_clone(dst_get_neighbour_raw(&ort->dst))); } return rt; @@ -1078,12 +1080,15 @@ struct dst_entry *icmp6_dst_alloc(struct net_device *dev, neigh = NULL; } - rt->rt6i_idev = idev; + rt->dst.flags |= DST_HOST; + rt->dst.output = ip6_output; dst_set_neighbour(&rt->dst, neigh); atomic_set(&rt->dst.__refcnt, 1); - ipv6_addr_copy(&rt->rt6i_dst.addr, addr); dst_metric_set(&rt->dst, RTAX_HOPLIMIT, 255); - rt->dst.output = ip6_output; + + ipv6_addr_copy(&rt->rt6i_dst.addr, addr); + rt->rt6i_dst.plen = 128; + rt->rt6i_idev = idev; spin_lock_bh(&icmp6_dst_lock); rt->dst.next = icmp6_dst_gc_list; @@ -1261,6 +1266,14 @@ int ip6_route_add(struct fib6_config *cfg) if (rt->rt6i_dst.plen == 128) rt->dst.flags |= DST_HOST; + if (!(rt->dst.flags & DST_HOST) && cfg->fc_mx) { + u32 *metrics = kzalloc(sizeof(u32) * RTAX_MAX, GFP_KERNEL); + if (!metrics) { + err = -ENOMEM; + goto out; + } + dst_init_metrics(&rt->dst, metrics, 0); + } #ifdef CONFIG_IPV6_SUBTREES ipv6_addr_prefix(&rt->rt6i_src.addr, &cfg->fc_src, cfg->fc_src_len); rt->rt6i_src.plen = cfg->fc_src_len; @@ -1607,9 +1620,6 @@ void rt6_redirect(const struct in6_addr *dest, const struct in6_addr *src, if (on_link) nrt->rt6i_flags &= ~RTF_GATEWAY; - nrt->rt6i_dst.plen = 128; - nrt->dst.flags |= DST_HOST; - ipv6_addr_copy(&nrt->rt6i_gateway, (struct in6_addr*)neigh->primary_key); dst_set_neighbour(&nrt->dst, neigh_clone(neigh)); @@ -1754,9 +1764,10 @@ static struct rt6_info *ip6_rt_copy(const struct rt6_info *ort, if (rt) { rt->dst.input = ort->dst.input; rt->dst.output = ort->dst.output; + rt->dst.flags |= DST_HOST; ipv6_addr_copy(&rt->rt6i_dst.addr, dest); - rt->rt6i_dst.plen = ort->rt6i_dst.plen; + rt->rt6i_dst.plen = 128; dst_copy_metrics(&rt->dst, &ort->dst); rt->dst.error = ort->dst.error; rt->rt6i_idev = ort->rt6i_idev; diff --git a/net/ipv6/tcp_ipv6.c b/net/ipv6/tcp_ipv6.c index d1fb63f4aeb7..3c9fa618b69d 100644 --- a/net/ipv6/tcp_ipv6.c +++ b/net/ipv6/tcp_ipv6.c @@ -531,20 +531,6 @@ static int tcp_v6_rtx_synack(struct sock *sk, struct request_sock *req, return tcp_v6_send_synack(sk, req, rvp); } -static inline void syn_flood_warning(struct sk_buff *skb) -{ -#ifdef CONFIG_SYN_COOKIES - if (sysctl_tcp_syncookies) - printk(KERN_INFO - "TCPv6: Possible SYN flooding on port %d. " - "Sending cookies.\n", ntohs(tcp_hdr(skb)->dest)); - else -#endif - printk(KERN_INFO - "TCPv6: Possible SYN flooding on port %d. " - "Dropping request.\n", ntohs(tcp_hdr(skb)->dest)); -} - static void tcp_v6_reqsk_destructor(struct request_sock *req) { kfree_skb(inet6_rsk(req)->pktopts); @@ -1179,11 +1165,7 @@ static int tcp_v6_conn_request(struct sock *sk, struct sk_buff *skb) struct tcp_sock *tp = tcp_sk(sk); __u32 isn = TCP_SKB_CB(skb)->when; struct dst_entry *dst = NULL; -#ifdef CONFIG_SYN_COOKIES int want_cookie = 0; -#else -#define want_cookie 0 -#endif if (skb->protocol == htons(ETH_P_IP)) return tcp_v4_conn_request(sk, skb); @@ -1192,14 +1174,9 @@ static int tcp_v6_conn_request(struct sock *sk, struct sk_buff *skb) goto drop; if (inet_csk_reqsk_queue_is_full(sk) && !isn) { - if (net_ratelimit()) - syn_flood_warning(skb); -#ifdef CONFIG_SYN_COOKIES - if (sysctl_tcp_syncookies) - want_cookie = 1; - else -#endif - goto drop; + want_cookie = tcp_syn_flood_action(sk, skb, "TCPv6"); + if (!want_cookie) + goto drop; } if (sk_acceptq_is_full(sk) && inet_csk_reqsk_queue_young(sk) > 1) @@ -1249,9 +1226,7 @@ static int tcp_v6_conn_request(struct sock *sk, struct sk_buff *skb) while (l-- > 0) *c++ ^= *hash_location++; -#ifdef CONFIG_SYN_COOKIES want_cookie = 0; /* not our kind of cookie */ -#endif tmp_ext.cookie_out_never = 0; /* false */ tmp_ext.cookie_plus = tmp_opt.cookie_plus; } else if (!tp->rx_opt.cookie_in_always) { diff --git a/net/ipv6/udp.c b/net/ipv6/udp.c index 29213b51c499..bb95e8e1c6f9 100644 --- a/net/ipv6/udp.c +++ b/net/ipv6/udp.c @@ -1090,8 +1090,8 @@ do_udp_sendmsg: memset(opt, 0, sizeof(struct ipv6_txoptions)); opt->tot_len = sizeof(*opt); - err = datagram_send_ctl(sock_net(sk), msg, &fl6, opt, &hlimit, - &tclass, &dontfrag); + err = datagram_send_ctl(sock_net(sk), sk, msg, &fl6, opt, + &hlimit, &tclass, &dontfrag); if (err < 0) { fl6_sock_release(flowlabel); return err; diff --git a/net/irda/irsysctl.c b/net/irda/irsysctl.c index d0b70dadf73b..2615ffc8e785 100644 --- a/net/irda/irsysctl.c +++ b/net/irda/irsysctl.c @@ -40,9 +40,9 @@ extern int sysctl_slot_timeout; extern int sysctl_fast_poll_increase; extern char sysctl_devname[]; extern int sysctl_max_baud_rate; -extern int sysctl_min_tx_turn_time; -extern int sysctl_max_tx_data_size; -extern int sysctl_max_tx_window; +extern unsigned int sysctl_min_tx_turn_time; +extern unsigned int sysctl_max_tx_data_size; +extern unsigned int sysctl_max_tx_window; extern int sysctl_max_noreply_time; extern int sysctl_warn_noreply_time; extern int sysctl_lap_keepalive_time; diff --git a/net/irda/qos.c b/net/irda/qos.c index 1b51bcf42394..4369f7f41bcb 100644 --- a/net/irda/qos.c +++ b/net/irda/qos.c @@ -60,7 +60,7 @@ int sysctl_max_noreply_time = 12; * Default is 10us which means using the unmodified value given by the * peer except if it's 0 (0 is likely a bug in the other stack). */ -unsigned sysctl_min_tx_turn_time = 10; +unsigned int sysctl_min_tx_turn_time = 10; /* * Maximum data size to be used in transmission in payload of LAP frame. * There is a bit of confusion in the IrDA spec : @@ -75,13 +75,13 @@ unsigned sysctl_min_tx_turn_time = 10; * bytes frames or all negotiated frame sizes, but you can use the sysctl * to play with this value anyway. * Jean II */ -unsigned sysctl_max_tx_data_size = 2042; +unsigned int sysctl_max_tx_data_size = 2042; /* * Maximum transmit window, i.e. number of LAP frames between turn-around. * This allow to override what the peer told us. Some peers are buggy and * don't always support what they tell us. * Jean II */ -unsigned sysctl_max_tx_window = 7; +unsigned int sysctl_max_tx_window = 7; static int irlap_param_baud_rate(void *instance, irda_param_t *param, int get); static int irlap_param_link_disconnect(void *instance, irda_param_t *parm, diff --git a/net/mac80211/sta_info.c b/net/mac80211/sta_info.c index 3db78b696c5c..21070e9bc8d0 100644 --- a/net/mac80211/sta_info.c +++ b/net/mac80211/sta_info.c @@ -665,7 +665,7 @@ static int __must_check __sta_info_destroy(struct sta_info *sta) BUG_ON(!sdata->bss); atomic_dec(&sdata->bss->num_sta_ps); - __sta_info_clear_tim_bit(sdata->bss, sta); + sta_info_clear_tim_bit(sta); } local->num_sta--; diff --git a/net/netfilter/nf_conntrack_pptp.c b/net/netfilter/nf_conntrack_pptp.c index 2fd4565144de..31d56b23b9e9 100644 --- a/net/netfilter/nf_conntrack_pptp.c +++ b/net/netfilter/nf_conntrack_pptp.c @@ -364,6 +364,7 @@ pptp_inbound_pkt(struct sk_buff *skb, break; case PPTP_WAN_ERROR_NOTIFY: + case PPTP_SET_LINK_INFO: case PPTP_ECHO_REQUEST: case PPTP_ECHO_REPLY: /* I don't have to explain these ;) */ diff --git a/net/netfilter/nf_conntrack_proto_tcp.c b/net/netfilter/nf_conntrack_proto_tcp.c index 37bf94394be0..8235b86b4e87 100644 --- a/net/netfilter/nf_conntrack_proto_tcp.c +++ b/net/netfilter/nf_conntrack_proto_tcp.c @@ -409,7 +409,7 @@ static void tcp_options(const struct sk_buff *skb, if (opsize < 2) /* "silly options" */ return; if (opsize > length) - break; /* don't parse partial options */ + return; /* don't parse partial options */ if (opcode == TCPOPT_SACK_PERM && opsize == TCPOLEN_SACK_PERM) @@ -447,7 +447,7 @@ static void tcp_sack(const struct sk_buff *skb, unsigned int dataoff, BUG_ON(ptr == NULL); /* Fast path for timestamp-only option */ - if (length == TCPOLEN_TSTAMP_ALIGNED*4 + if (length == TCPOLEN_TSTAMP_ALIGNED && *(__be32 *)ptr == htonl((TCPOPT_NOP << 24) | (TCPOPT_NOP << 16) | (TCPOPT_TIMESTAMP << 8) @@ -469,7 +469,7 @@ static void tcp_sack(const struct sk_buff *skb, unsigned int dataoff, if (opsize < 2) /* "silly options" */ return; if (opsize > length) - break; /* don't parse partial options */ + return; /* don't parse partial options */ if (opcode == TCPOPT_SACK && opsize >= (TCPOLEN_SACK_BASE diff --git a/net/netfilter/nfnetlink_queue.c b/net/netfilter/nfnetlink_queue.c index 00bd475eab4b..a80b0cb03f17 100644 --- a/net/netfilter/nfnetlink_queue.c +++ b/net/netfilter/nfnetlink_queue.c @@ -646,8 +646,8 @@ verdicthdr_get(const struct nlattr * const nfqa[]) return NULL; vhdr = nla_data(nfqa[NFQA_VERDICT_HDR]); - verdict = ntohl(vhdr->verdict); - if ((verdict & NF_VERDICT_MASK) > NF_MAX_VERDICT) + verdict = ntohl(vhdr->verdict) & NF_VERDICT_MASK; + if (verdict > NF_MAX_VERDICT || verdict == NF_STOLEN) return NULL; return vhdr; } diff --git a/net/netfilter/xt_rateest.c b/net/netfilter/xt_rateest.c index 76a083184d8e..ed0db15ab00e 100644 --- a/net/netfilter/xt_rateest.c +++ b/net/netfilter/xt_rateest.c @@ -78,7 +78,7 @@ static int xt_rateest_mt_checkentry(const struct xt_mtchk_param *par) { struct xt_rateest_match_info *info = par->matchinfo; struct xt_rateest *est1, *est2; - int ret = false; + int ret = -EINVAL; if (hweight32(info->flags & (XT_RATEEST_MATCH_ABS | XT_RATEEST_MATCH_REL)) != 1) @@ -101,13 +101,12 @@ static int xt_rateest_mt_checkentry(const struct xt_mtchk_param *par) if (!est1) goto err1; + est2 = NULL; if (info->flags & XT_RATEEST_MATCH_REL) { est2 = xt_rateest_lookup(info->name2); if (!est2) goto err2; - } else - est2 = NULL; - + } info->est1 = est1; info->est2 = est2; @@ -116,7 +115,7 @@ static int xt_rateest_mt_checkentry(const struct xt_mtchk_param *par) err2: xt_rateest_put(est1); err1: - return -EINVAL; + return ret; } static void xt_rateest_mt_destroy(const struct xt_mtdtor_param *par) diff --git a/net/sched/cls_rsvp.h b/net/sched/cls_rsvp.h index be4505ee67a9..b01427924f81 100644 --- a/net/sched/cls_rsvp.h +++ b/net/sched/cls_rsvp.h @@ -425,7 +425,7 @@ static int rsvp_change(struct tcf_proto *tp, unsigned long base, struct rsvp_filter *f, **fp; struct rsvp_session *s, **sp; struct tc_rsvp_pinfo *pinfo = NULL; - struct nlattr *opt = tca[TCA_OPTIONS-1]; + struct nlattr *opt = tca[TCA_OPTIONS]; struct nlattr *tb[TCA_RSVP_MAX + 1]; struct tcf_exts e; unsigned int h1, h2; @@ -439,7 +439,7 @@ static int rsvp_change(struct tcf_proto *tp, unsigned long base, if (err < 0) return err; - err = tcf_exts_validate(tp, tb, tca[TCA_RATE-1], &e, &rsvp_ext_map); + err = tcf_exts_validate(tp, tb, tca[TCA_RATE], &e, &rsvp_ext_map); if (err < 0) return err; @@ -449,8 +449,8 @@ static int rsvp_change(struct tcf_proto *tp, unsigned long base, if (f->handle != handle && handle) goto errout2; - if (tb[TCA_RSVP_CLASSID-1]) { - f->res.classid = nla_get_u32(tb[TCA_RSVP_CLASSID-1]); + if (tb[TCA_RSVP_CLASSID]) { + f->res.classid = nla_get_u32(tb[TCA_RSVP_CLASSID]); tcf_bind_filter(tp, &f->res, base); } @@ -462,7 +462,7 @@ static int rsvp_change(struct tcf_proto *tp, unsigned long base, err = -EINVAL; if (handle) goto errout2; - if (tb[TCA_RSVP_DST-1] == NULL) + if (tb[TCA_RSVP_DST] == NULL) goto errout2; err = -ENOBUFS; @@ -471,19 +471,19 @@ static int rsvp_change(struct tcf_proto *tp, unsigned long base, goto errout2; h2 = 16; - if (tb[TCA_RSVP_SRC-1]) { - memcpy(f->src, nla_data(tb[TCA_RSVP_SRC-1]), sizeof(f->src)); + if (tb[TCA_RSVP_SRC]) { + memcpy(f->src, nla_data(tb[TCA_RSVP_SRC]), sizeof(f->src)); h2 = hash_src(f->src); } - if (tb[TCA_RSVP_PINFO-1]) { - pinfo = nla_data(tb[TCA_RSVP_PINFO-1]); + if (tb[TCA_RSVP_PINFO]) { + pinfo = nla_data(tb[TCA_RSVP_PINFO]); f->spi = pinfo->spi; f->tunnelhdr = pinfo->tunnelhdr; } - if (tb[TCA_RSVP_CLASSID-1]) - f->res.classid = nla_get_u32(tb[TCA_RSVP_CLASSID-1]); + if (tb[TCA_RSVP_CLASSID]) + f->res.classid = nla_get_u32(tb[TCA_RSVP_CLASSID]); - dst = nla_data(tb[TCA_RSVP_DST-1]); + dst = nla_data(tb[TCA_RSVP_DST]); h1 = hash_dst(dst, pinfo ? pinfo->protocol : 0, pinfo ? pinfo->tunnelid : 0); err = -ENOMEM; @@ -642,8 +642,7 @@ nla_put_failure: return -1; } -static struct tcf_proto_ops RSVP_OPS = { - .next = NULL, +static struct tcf_proto_ops RSVP_OPS __read_mostly = { .kind = RSVP_ID, .classify = rsvp_classify, .init = rsvp_init, diff --git a/net/sctp/sm_sideeffect.c b/net/sctp/sm_sideeffect.c index 167c880cf8da..76388b083f28 100644 --- a/net/sctp/sm_sideeffect.c +++ b/net/sctp/sm_sideeffect.c @@ -1689,6 +1689,11 @@ static int sctp_cmd_interpreter(sctp_event_t event_type, case SCTP_CMD_PURGE_ASCONF_QUEUE: sctp_asconf_queue_teardown(asoc); break; + + case SCTP_CMD_SET_ASOC: + asoc = cmd->obj.asoc; + break; + default: pr_warn("Impossible command: %u, %p\n", cmd->verb, cmd->obj.ptr); diff --git a/net/sctp/sm_statefuns.c b/net/sctp/sm_statefuns.c index 49b847b00f99..a0f31e6c1c63 100644 --- a/net/sctp/sm_statefuns.c +++ b/net/sctp/sm_statefuns.c @@ -2047,6 +2047,12 @@ sctp_disposition_t sctp_sf_do_5_2_4_dupcook(const struct sctp_endpoint *ep, sctp_add_cmd_sf(commands, SCTP_CMD_NEW_ASOC, SCTP_ASOC(new_asoc)); sctp_add_cmd_sf(commands, SCTP_CMD_DELETE_TCB, SCTP_NULL()); + /* Restore association pointer to provide SCTP command interpeter + * with a valid context in case it needs to manipulate + * the queues */ + sctp_add_cmd_sf(commands, SCTP_CMD_SET_ASOC, + SCTP_ASOC((struct sctp_association *)asoc)); + return retval; nomem: diff --git a/net/wireless/reg.c b/net/wireless/reg.c index 02751dbc5a97..68a471ba193f 100644 --- a/net/wireless/reg.c +++ b/net/wireless/reg.c @@ -852,6 +852,7 @@ static void handle_channel(struct wiphy *wiphy, return; } + chan->beacon_found = false; chan->flags = flags | bw_flags | map_regdom_flags(reg_rule->flags); chan->max_antenna_gain = min(chan->orig_mag, (int) MBI_TO_DBI(power_rule->max_antenna_gain)); diff --git a/net/wireless/sme.c b/net/wireless/sme.c index b7b6ff8be553..dec0fa28372e 100644 --- a/net/wireless/sme.c +++ b/net/wireless/sme.c @@ -118,6 +118,8 @@ static int cfg80211_conn_scan(struct wireless_dev *wdev) i++, j++) request->channels[i] = &wdev->wiphy->bands[band]->channels[j]; + request->rates[band] = + (1 << wdev->wiphy->bands[band]->n_bitrates) - 1; } } request->n_channels = n_channels; diff --git a/net/xfrm/xfrm_input.c b/net/xfrm/xfrm_input.c index a026b0ef2443..54a0dc2e2f8d 100644 --- a/net/xfrm/xfrm_input.c +++ b/net/xfrm/xfrm_input.c @@ -212,6 +212,11 @@ resume: /* only the first xfrm gets the encap type */ encap_type = 0; + if (async && x->repl->check(x, skb, seq)) { + XFRM_INC_STATS(net, LINUX_MIB_XFRMINSTATESEQERROR); + goto drop_unlock; + } + x->repl->advance(x, seq); x->curlft.bytes += skb->len; diff --git a/sound/core/pcm_lib.c b/sound/core/pcm_lib.c index 86d0caf91b35..62e90b862a0d 100644 --- a/sound/core/pcm_lib.c +++ b/sound/core/pcm_lib.c @@ -1761,6 +1761,10 @@ static int wait_for_avail(struct snd_pcm_substream *substream, snd_pcm_uframes_t avail = 0; long wait_time, tout; + init_waitqueue_entry(&wait, current); + set_current_state(TASK_INTERRUPTIBLE); + add_wait_queue(&runtime->tsleep, &wait); + if (runtime->no_period_wakeup) wait_time = MAX_SCHEDULE_TIMEOUT; else { @@ -1771,16 +1775,32 @@ static int wait_for_avail(struct snd_pcm_substream *substream, } wait_time = msecs_to_jiffies(wait_time * 1000); } - init_waitqueue_entry(&wait, current); - add_wait_queue(&runtime->tsleep, &wait); + for (;;) { if (signal_pending(current)) { err = -ERESTARTSYS; break; } + + /* + * We need to check if space became available already + * (and thus the wakeup happened already) first to close + * the race of space already having become available. + * This check must happen after been added to the waitqueue + * and having current state be INTERRUPTIBLE. + */ + if (is_playback) + avail = snd_pcm_playback_avail(runtime); + else + avail = snd_pcm_capture_avail(runtime); + if (avail >= runtime->twake) + break; snd_pcm_stream_unlock_irq(substream); - tout = schedule_timeout_interruptible(wait_time); + + tout = schedule_timeout(wait_time); + snd_pcm_stream_lock_irq(substream); + set_current_state(TASK_INTERRUPTIBLE); switch (runtime->status->state) { case SNDRV_PCM_STATE_SUSPENDED: err = -ESTRPIPE; @@ -1806,14 +1826,9 @@ static int wait_for_avail(struct snd_pcm_substream *substream, err = -EIO; break; } - if (is_playback) - avail = snd_pcm_playback_avail(runtime); - else - avail = snd_pcm_capture_avail(runtime); - if (avail >= runtime->twake) - break; } _endloop: + set_current_state(TASK_RUNNING); remove_wait_queue(&runtime->tsleep, &wait); *availp = avail; return err; diff --git a/sound/pci/fm801.c b/sound/pci/fm801.c index f9123f09e83e..32b02d906703 100644 --- a/sound/pci/fm801.c +++ b/sound/pci/fm801.c @@ -68,6 +68,7 @@ MODULE_PARM_DESC(enable, "Enable FM801 soundcard."); module_param_array(tea575x_tuner, int, NULL, 0444); MODULE_PARM_DESC(tea575x_tuner, "TEA575x tuner access method (0 = auto, 1 = SF256-PCS, 2=SF256-PCP, 3=SF64-PCR, 8=disable, +16=tuner-only)."); +#define TUNER_DISABLED (1<<3) #define TUNER_ONLY (1<<4) #define TUNER_TYPE_MASK (~TUNER_ONLY & 0xFFFF) @@ -1150,7 +1151,8 @@ static int snd_fm801_free(struct fm801 *chip) __end_hw: #ifdef CONFIG_SND_FM801_TEA575X_BOOL - snd_tea575x_exit(&chip->tea); + if (!(chip->tea575x_tuner & TUNER_DISABLED)) + snd_tea575x_exit(&chip->tea); #endif if (chip->irq >= 0) free_irq(chip->irq, chip); @@ -1236,7 +1238,6 @@ static int __devinit snd_fm801_create(struct snd_card *card, (tea575x_tuner & TUNER_TYPE_MASK) < 4) { if (snd_tea575x_init(&chip->tea)) { snd_printk(KERN_ERR "TEA575x radio not found\n"); - snd_fm801_free(chip); return -ENODEV; } } else if ((tea575x_tuner & TUNER_TYPE_MASK) == 0) { @@ -1251,11 +1252,15 @@ static int __devinit snd_fm801_create(struct snd_card *card, } if (tea575x_tuner == 4) { snd_printk(KERN_ERR "TEA575x radio not found\n"); - snd_fm801_free(chip); - return -ENODEV; + chip->tea575x_tuner = TUNER_DISABLED; } } - strlcpy(chip->tea.card, snd_fm801_tea575x_gpios[(tea575x_tuner & TUNER_TYPE_MASK) - 1].name, sizeof(chip->tea.card)); + if (!(chip->tea575x_tuner & TUNER_DISABLED)) { + strlcpy(chip->tea.card, + snd_fm801_tea575x_gpios[(tea575x_tuner & + TUNER_TYPE_MASK) - 1].name, + sizeof(chip->tea.card)); + } #endif *rchip = chip; diff --git a/sound/pci/hda/hda_codec.c b/sound/pci/hda/hda_codec.c index 3e7850c238c3..f3aefef37216 100644 --- a/sound/pci/hda/hda_codec.c +++ b/sound/pci/hda/hda_codec.c @@ -579,9 +579,13 @@ int snd_hda_get_conn_index(struct hda_codec *codec, hda_nid_t mux, return -1; } recursive++; - for (i = 0; i < nums; i++) + for (i = 0; i < nums; i++) { + unsigned int type = get_wcaps_type(get_wcaps(codec, conn[i])); + if (type == AC_WID_PIN || type == AC_WID_AUD_OUT) + continue; if (snd_hda_get_conn_index(codec, conn[i], nid, recursive) >= 0) return i; + } return -1; } EXPORT_SYMBOL_HDA(snd_hda_get_conn_index); diff --git a/sound/pci/hda/patch_cirrus.c b/sound/pci/hda/patch_cirrus.c index d6c93d92b550..c45f3e69bcf0 100644 --- a/sound/pci/hda/patch_cirrus.c +++ b/sound/pci/hda/patch_cirrus.c @@ -535,7 +535,7 @@ static int add_volume(struct hda_codec *codec, const char *name, int index, unsigned int pval, int dir, struct snd_kcontrol **kctlp) { - char tmp[32]; + char tmp[44]; struct snd_kcontrol_new knew = HDA_CODEC_VOLUME_IDX(tmp, index, 0, 0, HDA_OUTPUT); knew.private_value = pval; diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c index 7cabd7317163..7a73621a8909 100644 --- a/sound/pci/hda/patch_realtek.c +++ b/sound/pci/hda/patch_realtek.c @@ -168,7 +168,7 @@ struct alc_spec { unsigned int auto_mic_valid_imux:1; /* valid imux for auto-mic */ unsigned int automute:1; /* HP automute enabled */ unsigned int detect_line:1; /* Line-out detection enabled */ - unsigned int automute_lines:1; /* automute line-out as well */ + unsigned int automute_lines:1; /* automute line-out as well; NOP when automute_hp_lo isn't set */ unsigned int automute_hp_lo:1; /* both HP and LO available */ /* other flags */ @@ -551,7 +551,7 @@ static void update_speakers(struct hda_codec *codec) if (spec->autocfg.line_out_pins[0] == spec->autocfg.hp_pins[0] || spec->autocfg.line_out_pins[0] == spec->autocfg.speaker_pins[0]) return; - if (!spec->automute_lines || !spec->automute) + if (!spec->automute || (spec->automute_hp_lo && !spec->automute_lines)) on = 0; else on = spec->jack_present; @@ -578,6 +578,10 @@ static void alc_line_automute(struct hda_codec *codec) { struct alc_spec *spec = codec->spec; + /* check LO jack only when it's different from HP */ + if (spec->autocfg.line_out_pins[0] == spec->autocfg.hp_pins[0]) + return; + spec->line_jack_present = detect_jacks(codec, ARRAY_SIZE(spec->autocfg.line_out_pins), spec->autocfg.line_out_pins); @@ -803,7 +807,7 @@ static int alc_automute_mode_get(struct snd_kcontrol *kcontrol, unsigned int val; if (!spec->automute) val = 0; - else if (!spec->automute_lines) + else if (!spec->automute_hp_lo || !spec->automute_lines) val = 1; else val = 2; @@ -824,7 +828,8 @@ static int alc_automute_mode_put(struct snd_kcontrol *kcontrol, spec->automute = 0; break; case 1: - if (spec->automute && !spec->automute_lines) + if (spec->automute && + (!spec->automute_hp_lo || !spec->automute_lines)) return 0; spec->automute = 1; spec->automute_lines = 0; @@ -1320,7 +1325,9 @@ do_sku: * 15 : 1 --> enable the function "Mute internal speaker * when the external headphone out jack is plugged" */ - if (!spec->autocfg.hp_pins[0]) { + if (!spec->autocfg.hp_pins[0] && + !(spec->autocfg.line_out_pins[0] && + spec->autocfg.line_out_type == AUTO_PIN_HP_OUT)) { hda_nid_t nid; tmp = (ass >> 11) & 0x3; /* HP to chassis */ if (tmp == 0) diff --git a/sound/pci/hda/patch_sigmatel.c b/sound/pci/hda/patch_sigmatel.c index 5145b663ef6e..987e3cf71a0b 100644 --- a/sound/pci/hda/patch_sigmatel.c +++ b/sound/pci/hda/patch_sigmatel.c @@ -5630,6 +5630,7 @@ again: switch (codec->vendor_id) { case 0x111d76d1: case 0x111d76d9: + case 0x111d76df: case 0x111d76e5: case 0x111d7666: case 0x111d7667: @@ -6573,6 +6574,7 @@ static const struct hda_codec_preset snd_hda_preset_sigmatel[] = { { .id = 0x111d76cc, .name = "92HD89F3", .patch = patch_stac92hd73xx }, { .id = 0x111d76cd, .name = "92HD89F2", .patch = patch_stac92hd73xx }, { .id = 0x111d76ce, .name = "92HD89F1", .patch = patch_stac92hd73xx }, + { .id = 0x111d76df, .name = "92HD93BXX", .patch = patch_stac92hd83xxx}, { .id = 0x111d76e0, .name = "92HD91BXX", .patch = patch_stac92hd83xxx}, { .id = 0x111d76e3, .name = "92HD98BXX", .patch = patch_stac92hd83xxx}, { .id = 0x111d76e5, .name = "92HD99BXX", .patch = patch_stac92hd83xxx}, diff --git a/sound/soc/blackfin/bf5xx-ad193x.c b/sound/soc/blackfin/bf5xx-ad193x.c index a118a0fb9d81..5956584ea3a4 100644 --- a/sound/soc/blackfin/bf5xx-ad193x.c +++ b/sound/soc/blackfin/bf5xx-ad193x.c @@ -103,7 +103,7 @@ static struct snd_soc_dai_link bf5xx_ad193x_dai[] = { .cpu_dai_name = "bfin-tdm.0", .codec_dai_name ="ad193x-hifi", .platform_name = "bfin-tdm-pcm-audio", - .codec_name = "ad193x.5", + .codec_name = "spi0.5", .ops = &bf5xx_ad193x_ops, }, { @@ -112,7 +112,7 @@ static struct snd_soc_dai_link bf5xx_ad193x_dai[] = { .cpu_dai_name = "bfin-tdm.1", .codec_dai_name ="ad193x-hifi", .platform_name = "bfin-tdm-pcm-audio", - .codec_name = "ad193x.5", + .codec_name = "spi0.5", .ops = &bf5xx_ad193x_ops, }, }; diff --git a/sound/soc/blackfin/bf5xx-ad73311.c b/sound/soc/blackfin/bf5xx-ad73311.c index 732a247f2527..b94eb7ef7d16 100644 --- a/sound/soc/blackfin/bf5xx-ad73311.c +++ b/sound/soc/blackfin/bf5xx-ad73311.c @@ -128,7 +128,7 @@ static int snd_ad73311_configure(void) return 0; } -static int bf5xx_probe(struct platform_device *pdev) +static int bf5xx_probe(struct snd_soc_card *card) { int err; if (gpio_request(GPIO_SE, "AD73311_SE")) { diff --git a/sound/soc/codecs/ssm2602.c b/sound/soc/codecs/ssm2602.c index 84f4ad568556..9801cd7cfcb5 100644 --- a/sound/soc/codecs/ssm2602.c +++ b/sound/soc/codecs/ssm2602.c @@ -431,7 +431,8 @@ static int ssm2602_set_dai_fmt(struct snd_soc_dai *codec_dai, static int ssm2602_set_bias_level(struct snd_soc_codec *codec, enum snd_soc_bias_level level) { - u16 reg = snd_soc_read(codec, SSM2602_PWR) & 0xff7f; + u16 reg = snd_soc_read(codec, SSM2602_PWR); + reg &= ~(PWR_POWER_OFF | PWR_OSC_PDN); switch (level) { case SND_SOC_BIAS_ON: diff --git a/sound/soc/codecs/wm8962.c b/sound/soc/codecs/wm8962.c index 1725550c293e..d2c315fa1b9b 100644 --- a/sound/soc/codecs/wm8962.c +++ b/sound/soc/codecs/wm8962.c @@ -3479,31 +3479,6 @@ int wm8962_mic_detect(struct snd_soc_codec *codec, struct snd_soc_jack *jack) } EXPORT_SYMBOL_GPL(wm8962_mic_detect); -#ifdef CONFIG_PM -static int wm8962_resume(struct snd_soc_codec *codec) -{ - u16 *reg_cache = codec->reg_cache; - int i; - - /* Restore the registers */ - for (i = 1; i < codec->driver->reg_cache_size; i++) { - switch (i) { - case WM8962_SOFTWARE_RESET: - continue; - default: - break; - } - - if (reg_cache[i] != wm8962_reg[i]) - snd_soc_write(codec, i, reg_cache[i]); - } - - return 0; -} -#else -#define wm8962_resume NULL -#endif - #if defined(CONFIG_INPUT) || defined(CONFIG_INPUT_MODULE) static int beep_rates[] = { 500, 1000, 2000, 4000, @@ -4015,7 +3990,6 @@ static int wm8962_remove(struct snd_soc_codec *codec) static struct snd_soc_codec_driver soc_codec_dev_wm8962 = { .probe = wm8962_probe, .remove = wm8962_remove, - .resume = wm8962_resume, .set_bias_level = wm8962_set_bias_level, .reg_cache_size = WM8962_MAX_REGISTER + 1, .reg_word_size = sizeof(u16), diff --git a/sound/soc/fsl/mpc5200_dma.c b/sound/soc/fsl/mpc5200_dma.c index fd0dc46afc34..5c6c2457386e 100644 --- a/sound/soc/fsl/mpc5200_dma.c +++ b/sound/soc/fsl/mpc5200_dma.c @@ -369,7 +369,7 @@ static struct snd_soc_platform_driver mpc5200_audio_dma_platform = { .pcm_free = &psc_dma_free, }; -static int mpc5200_hpcd_probe(struct of_device *op) +static int mpc5200_hpcd_probe(struct platform_device *op) { phys_addr_t fifo; struct psc_dma *psc_dma; @@ -487,7 +487,7 @@ out_unmap: return ret; } -static int mpc5200_hpcd_remove(struct of_device *op) +static int mpc5200_hpcd_remove(struct platform_device *op) { struct psc_dma *psc_dma = dev_get_drvdata(&op->dev); @@ -519,7 +519,7 @@ MODULE_DEVICE_TABLE(of, mpc5200_hpcd_match); static struct platform_driver mpc5200_hpcd_of_driver = { .probe = mpc5200_hpcd_probe, .remove = mpc5200_hpcd_remove, - .dev = { + .driver = { .owner = THIS_MODULE, .name = "mpc5200-pcm-audio", .of_match_table = mpc5200_hpcd_match, diff --git a/sound/soc/imx/imx-pcm-fiq.c b/sound/soc/imx/imx-pcm-fiq.c index 309c59e6fb6c..7945625e0e08 100644 --- a/sound/soc/imx/imx-pcm-fiq.c +++ b/sound/soc/imx/imx-pcm-fiq.c @@ -240,7 +240,6 @@ static int ssi_irq = 0; static int imx_pcm_fiq_new(struct snd_soc_pcm_runtime *rtd) { - struct snd_card *card = rtd->card->snd_card; struct snd_soc_dai *dai = rtd->cpu_dai; struct snd_pcm *pcm = rtd->pcm; int ret; diff --git a/sound/soc/kirkwood/kirkwood-i2s.c b/sound/soc/kirkwood/kirkwood-i2s.c index 8f16cd37c2af..d0bcf3fcea01 100644 --- a/sound/soc/kirkwood/kirkwood-i2s.c +++ b/sound/soc/kirkwood/kirkwood-i2s.c @@ -424,7 +424,7 @@ static __devinit int kirkwood_i2s_dev_probe(struct platform_device *pdev) if (!priv->mem) { dev_err(&pdev->dev, "request_mem_region failed\n"); err = -EBUSY; - goto error_alloc; + goto err_alloc; } priv->io = ioremap(priv->mem->start, SZ_16K); diff --git a/sound/soc/omap/omap-mcbsp.c b/sound/soc/omap/omap-mcbsp.c index ebcc2d4d2b18..478d60778453 100644 --- a/sound/soc/omap/omap-mcbsp.c +++ b/sound/soc/omap/omap-mcbsp.c @@ -516,6 +516,12 @@ static int omap_mcbsp_dai_set_dai_sysclk(struct snd_soc_dai *cpu_dai, struct omap_mcbsp_reg_cfg *regs = &mcbsp_data->regs; int err = 0; + if (mcbsp_data->active) + if (freq == mcbsp_data->in_freq) + return 0; + else + return -EBUSY; + /* The McBSP signal muxing functions are only available on McBSP1 */ if (clk_id == OMAP_MCBSP_CLKR_SRC_CLKR || clk_id == OMAP_MCBSP_CLKR_SRC_CLKX || diff --git a/sound/soc/samsung/ac97.c b/sound/soc/samsung/ac97.c index f97110e72e85..b4f9b0003685 100644 --- a/sound/soc/samsung/ac97.c +++ b/sound/soc/samsung/ac97.c @@ -271,7 +271,10 @@ static int s3c_ac97_trigger(struct snd_pcm_substream *substream, int cmd, writel(ac_glbctrl, s3c_ac97.regs + S3C_AC97_GLBCTRL); - s3c2410_dma_ctrl(dma_data->channel, S3C2410_DMAOP_STARTED); + if (!dma_data->ops) + dma_data->ops = samsung_dma_get_ops(); + + dma_data->ops->started(dma_data->channel); return 0; } @@ -317,7 +320,10 @@ static int s3c_ac97_mic_trigger(struct snd_pcm_substream *substream, writel(ac_glbctrl, s3c_ac97.regs + S3C_AC97_GLBCTRL); - s3c2410_dma_ctrl(dma_data->channel, S3C2410_DMAOP_STARTED); + if (!dma_data->ops) + dma_data->ops = samsung_dma_get_ops(); + + dma_data->ops->started(dma_data->channel); return 0; } diff --git a/sound/soc/samsung/dma.c b/sound/soc/samsung/dma.c index 9465588b02f2..2d622b635e68 100644 --- a/sound/soc/samsung/dma.c +++ b/sound/soc/samsung/dma.c @@ -54,7 +54,6 @@ struct runtime_data { spinlock_t lock; int state; unsigned int dma_loaded; - unsigned int dma_limit; unsigned int dma_period; dma_addr_t dma_start; dma_addr_t dma_pos; @@ -62,77 +61,79 @@ struct runtime_data { struct s3c_dma_params *params; }; +static void audio_buffdone(void *data); + /* dma_enqueue * * place a dma buffer onto the queue for the dma system * to handle. -*/ + */ static void dma_enqueue(struct snd_pcm_substream *substream) { struct runtime_data *prtd = substream->runtime->private_data; dma_addr_t pos = prtd->dma_pos; unsigned int limit; - int ret; + struct samsung_dma_prep_info dma_info; pr_debug("Entered %s\n", __func__); - if (s3c_dma_has_circular()) - limit = (prtd->dma_end - prtd->dma_start) / prtd->dma_period; - else - limit = prtd->dma_limit; + limit = (prtd->dma_end - prtd->dma_start) / prtd->dma_period; pr_debug("%s: loaded %d, limit %d\n", __func__, prtd->dma_loaded, limit); - while (prtd->dma_loaded < limit) { - unsigned long len = prtd->dma_period; + dma_info.cap = (samsung_dma_has_circular() ? DMA_CYCLIC : DMA_SLAVE); + dma_info.direction = + (substream->stream == SNDRV_PCM_STREAM_PLAYBACK + ? DMA_TO_DEVICE : DMA_FROM_DEVICE); + dma_info.fp = audio_buffdone; + dma_info.fp_param = substream; + dma_info.period = prtd->dma_period; + dma_info.len = prtd->dma_period*limit; + while (prtd->dma_loaded < limit) { pr_debug("dma_loaded: %d\n", prtd->dma_loaded); - if ((pos + len) > prtd->dma_end) { - len = prtd->dma_end - pos; - pr_debug("%s: corrected dma len %ld\n", __func__, len); + if ((pos + dma_info.period) > prtd->dma_end) { + dma_info.period = prtd->dma_end - pos; + pr_debug("%s: corrected dma len %ld\n", + __func__, dma_info.period); } - ret = s3c2410_dma_enqueue(prtd->params->channel, - substream, pos, len); + dma_info.buf = pos; + prtd->params->ops->prepare(prtd->params->ch, &dma_info); - if (ret == 0) { - prtd->dma_loaded++; - pos += prtd->dma_period; - if (pos >= prtd->dma_end) - pos = prtd->dma_start; - } else - break; + prtd->dma_loaded++; + pos += prtd->dma_period; + if (pos >= prtd->dma_end) + pos = prtd->dma_start; } prtd->dma_pos = pos; } -static void audio_buffdone(struct s3c2410_dma_chan *channel, - void *dev_id, int size, - enum s3c2410_dma_buffresult result) +static void audio_buffdone(void *data) { - struct snd_pcm_substream *substream = dev_id; - struct runtime_data *prtd; + struct snd_pcm_substream *substream = data; + struct runtime_data *prtd = substream->runtime->private_data; pr_debug("Entered %s\n", __func__); - if (result == S3C2410_RES_ABORT || result == S3C2410_RES_ERR) - return; - - prtd = substream->runtime->private_data; + if (prtd->state & ST_RUNNING) { + prtd->dma_pos += prtd->dma_period; + if (prtd->dma_pos >= prtd->dma_end) + prtd->dma_pos = prtd->dma_start; - if (substream) - snd_pcm_period_elapsed(substream); + if (substream) + snd_pcm_period_elapsed(substream); - spin_lock(&prtd->lock); - if (prtd->state & ST_RUNNING && !s3c_dma_has_circular()) { - prtd->dma_loaded--; - dma_enqueue(substream); + spin_lock(&prtd->lock); + if (!samsung_dma_has_circular()) { + prtd->dma_loaded--; + dma_enqueue(substream); + } + spin_unlock(&prtd->lock); } - - spin_unlock(&prtd->lock); } static int dma_hw_params(struct snd_pcm_substream *substream, @@ -144,8 +145,7 @@ static int dma_hw_params(struct snd_pcm_substream *substream, unsigned long totbytes = params_buffer_bytes(params); struct s3c_dma_params *dma = snd_soc_dai_get_dma_data(rtd->cpu_dai, substream); - int ret = 0; - + struct samsung_dma_info dma_info; pr_debug("Entered %s\n", __func__); @@ -163,30 +163,26 @@ static int dma_hw_params(struct snd_pcm_substream *substream, pr_debug("params %p, client %p, channel %d\n", prtd->params, prtd->params->client, prtd->params->channel); - ret = s3c2410_dma_request(prtd->params->channel, - prtd->params->client, NULL); - - if (ret < 0) { - printk(KERN_ERR "failed to get dma channel\n"); - return ret; - } - - /* use the circular buffering if we have it available. */ - if (s3c_dma_has_circular()) - s3c2410_dma_setflags(prtd->params->channel, - S3C2410_DMAF_CIRCULAR); + prtd->params->ops = samsung_dma_get_ops(); + + dma_info.cap = (samsung_dma_has_circular() ? + DMA_CYCLIC : DMA_SLAVE); + dma_info.client = prtd->params->client; + dma_info.direction = + (substream->stream == SNDRV_PCM_STREAM_PLAYBACK + ? DMA_TO_DEVICE : DMA_FROM_DEVICE); + dma_info.width = prtd->params->dma_size; + dma_info.fifo = prtd->params->dma_addr; + prtd->params->ch = prtd->params->ops->request( + prtd->params->channel, &dma_info); } - s3c2410_dma_set_buffdone_fn(prtd->params->channel, - audio_buffdone); - snd_pcm_set_runtime_buffer(substream, &substream->dma_buffer); runtime->dma_bytes = totbytes; spin_lock_irq(&prtd->lock); prtd->dma_loaded = 0; - prtd->dma_limit = runtime->hw.periods_min; prtd->dma_period = params_period_bytes(params); prtd->dma_start = runtime->dma_addr; prtd->dma_pos = prtd->dma_start; @@ -202,11 +198,12 @@ static int dma_hw_free(struct snd_pcm_substream *substream) pr_debug("Entered %s\n", __func__); - /* TODO - do we need to ensure DMA flushed */ snd_pcm_set_runtime_buffer(substream, NULL); if (prtd->params) { - s3c2410_dma_free(prtd->params->channel, prtd->params->client); + prtd->params->ops->flush(prtd->params->ch); + prtd->params->ops->release(prtd->params->ch, + prtd->params->client); prtd->params = NULL; } @@ -225,23 +222,9 @@ static int dma_prepare(struct snd_pcm_substream *substream) if (!prtd->params) return 0; - /* channel needs configuring for mem=>device, increment memory addr, - * sync to pclk, half-word transfers to the IIS-FIFO. */ - if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) { - s3c2410_dma_devconfig(prtd->params->channel, - S3C2410_DMASRC_MEM, - prtd->params->dma_addr); - } else { - s3c2410_dma_devconfig(prtd->params->channel, - S3C2410_DMASRC_HW, - prtd->params->dma_addr); - } - - s3c2410_dma_config(prtd->params->channel, - prtd->params->dma_size); - /* flush the DMA channel */ - s3c2410_dma_ctrl(prtd->params->channel, S3C2410_DMAOP_FLUSH); + prtd->params->ops->flush(prtd->params->ch); + prtd->dma_loaded = 0; prtd->dma_pos = prtd->dma_start; @@ -265,14 +248,14 @@ static int dma_trigger(struct snd_pcm_substream *substream, int cmd) case SNDRV_PCM_TRIGGER_RESUME: case SNDRV_PCM_TRIGGER_PAUSE_RELEASE: prtd->state |= ST_RUNNING; - s3c2410_dma_ctrl(prtd->params->channel, S3C2410_DMAOP_START); + prtd->params->ops->trigger(prtd->params->ch); break; case SNDRV_PCM_TRIGGER_STOP: case SNDRV_PCM_TRIGGER_SUSPEND: case SNDRV_PCM_TRIGGER_PAUSE_PUSH: prtd->state &= ~ST_RUNNING; - s3c2410_dma_ctrl(prtd->params->channel, S3C2410_DMAOP_STOP); + prtd->params->ops->stop(prtd->params->ch); break; default: @@ -291,21 +274,12 @@ dma_pointer(struct snd_pcm_substream *substream) struct snd_pcm_runtime *runtime = substream->runtime; struct runtime_data *prtd = runtime->private_data; unsigned long res; - dma_addr_t src, dst; pr_debug("Entered %s\n", __func__); - spin_lock(&prtd->lock); - s3c2410_dma_getposition(prtd->params->channel, &src, &dst); - - if (substream->stream == SNDRV_PCM_STREAM_CAPTURE) - res = dst - prtd->dma_start; - else - res = src - prtd->dma_start; - - spin_unlock(&prtd->lock); + res = prtd->dma_pos - prtd->dma_start; - pr_debug("Pointer %x %x\n", src, dst); + pr_debug("Pointer offset: %lu\n", res); /* we seem to be getting the odd error from the pcm library due * to out-of-bounds pointers. this is maybe due to the dma engine diff --git a/sound/soc/samsung/dma.h b/sound/soc/samsung/dma.h index c50659269a40..7d1ead77ef21 100644 --- a/sound/soc/samsung/dma.h +++ b/sound/soc/samsung/dma.h @@ -6,7 +6,7 @@ * Free Software Foundation; either version 2 of the License, or (at your * option) any later version. * - * ALSA PCM interface for the Samsung S3C24xx CPU + * ALSA PCM interface for the Samsung SoC */ #ifndef _S3C_AUDIO_H @@ -17,6 +17,8 @@ struct s3c_dma_params { int channel; /* Channel ID */ dma_addr_t dma_addr; int dma_size; /* Size of the DMA transfer */ + unsigned ch; + struct samsung_dma_ops *ops; }; #endif diff --git a/sound/soc/soc-cache.c b/sound/soc/soc-cache.c index d9f8aded51f3..20b7f3b003a3 100644 --- a/sound/soc/soc-cache.c +++ b/sound/soc/soc-cache.c @@ -203,14 +203,14 @@ static int snd_soc_rbtree_cache_sync(struct snd_soc_codec *codec) rbnode = rb_entry(node, struct snd_soc_rbtree_node, node); for (i = 0; i < rbnode->blklen; ++i) { regtmp = rbnode->base_reg + i; - WARN_ON(codec->writable_register && - codec->writable_register(codec, regtmp)); val = snd_soc_rbtree_get_register(rbnode, i); def = snd_soc_get_cache_val(codec->reg_def_copy, i, rbnode->word_size); if (val == def) continue; + WARN_ON(!snd_soc_codec_writable_register(codec, regtmp)); + codec->cache_bypass = 1; ret = snd_soc_write(codec, regtmp, val); codec->cache_bypass = 0; @@ -563,8 +563,7 @@ static int snd_soc_lzo_cache_sync(struct snd_soc_codec *codec) lzo_blocks = codec->reg_cache; for_each_set_bit(i, lzo_blocks[0]->sync_bmp, lzo_blocks[0]->sync_bmp_nbits) { - WARN_ON(codec->writable_register && - codec->writable_register(codec, i)); + WARN_ON(!snd_soc_codec_writable_register(codec, i)); ret = snd_soc_cache_read(codec, i, &val); if (ret) return ret; @@ -823,8 +822,6 @@ static int snd_soc_flat_cache_sync(struct snd_soc_codec *codec) codec_drv = codec->driver; for (i = 0; i < codec_drv->reg_cache_size; ++i) { - WARN_ON(codec->writable_register && - codec->writable_register(codec, i)); ret = snd_soc_cache_read(codec, i, &val); if (ret) return ret; @@ -832,6 +829,9 @@ static int snd_soc_flat_cache_sync(struct snd_soc_codec *codec) if (snd_soc_get_cache_val(codec->reg_def_copy, i, codec_drv->reg_word_size) == val) continue; + + WARN_ON(!snd_soc_codec_writable_register(codec, i)); + ret = snd_soc_write(codec, i, val); if (ret) return ret; diff --git a/sound/soc/soc-core.c b/sound/soc/soc-core.c index b085d8e87574..ef69f5a02709 100644 --- a/sound/soc/soc-core.c +++ b/sound/soc/soc-core.c @@ -30,6 +30,7 @@ #include <linux/bitops.h> #include <linux/debugfs.h> #include <linux/platform_device.h> +#include <linux/ctype.h> #include <linux/slab.h> #include <sound/ac97_codec.h> #include <sound/core.h> @@ -1434,9 +1435,20 @@ static void snd_soc_instantiate_card(struct snd_soc_card *card) "%s", card->name); snprintf(card->snd_card->longname, sizeof(card->snd_card->longname), "%s", card->long_name ? card->long_name : card->name); - if (card->driver_name) - strlcpy(card->snd_card->driver, card->driver_name, - sizeof(card->snd_card->driver)); + snprintf(card->snd_card->driver, sizeof(card->snd_card->driver), + "%s", card->driver_name ? card->driver_name : card->name); + for (i = 0; i < ARRAY_SIZE(card->snd_card->driver); i++) { + switch (card->snd_card->driver[i]) { + case '_': + case '-': + case '\0': + break; + default: + if (!isalnum(card->snd_card->driver[i])) + card->snd_card->driver[i] = '_'; + break; + } + } if (card->late_probe) { ret = card->late_probe(card); @@ -1633,7 +1645,7 @@ int snd_soc_codec_readable_register(struct snd_soc_codec *codec, if (codec->readable_register) return codec->readable_register(codec, reg); else - return 0; + return 1; } EXPORT_SYMBOL_GPL(snd_soc_codec_readable_register); @@ -1651,7 +1663,7 @@ int snd_soc_codec_writable_register(struct snd_soc_codec *codec, if (codec->writable_register) return codec->writable_register(codec, reg); else - return 0; + return 1; } EXPORT_SYMBOL_GPL(snd_soc_codec_writable_register); diff --git a/sound/soc/soc-dapm.c b/sound/soc/soc-dapm.c index 7e15914b3633..d67c637557a7 100644 --- a/sound/soc/soc-dapm.c +++ b/sound/soc/soc-dapm.c @@ -2763,7 +2763,7 @@ EXPORT_SYMBOL_GPL(snd_soc_dapm_ignore_suspend); /** * snd_soc_dapm_free - free dapm resources - * @card: SoC device + * @dapm: DAPM context * * Free all dapm widgets and resources. */ diff --git a/sound/soc/soc-jack.c b/sound/soc/soc-jack.c index 38b00131b2fe..fa31d9c2abd8 100644 --- a/sound/soc/soc-jack.c +++ b/sound/soc/soc-jack.c @@ -105,7 +105,7 @@ void snd_soc_jack_report(struct snd_soc_jack *jack, int status, int mask) snd_soc_dapm_sync(dapm); - snd_jack_report(jack->jack, status); + snd_jack_report(jack->jack, jack->status); out: mutex_unlock(&codec->mutex); diff --git a/sound/usb/card.c b/sound/usb/card.c index 781d9e61adfb..d8f2bf401458 100644 --- a/sound/usb/card.c +++ b/sound/usb/card.c @@ -530,8 +530,11 @@ snd_usb_audio_probe(struct usb_device *dev, return chip; __error: - if (chip && !chip->num_interfaces) - snd_card_free(chip->card); + if (chip) { + if (!chip->num_interfaces) + snd_card_free(chip->card); + chip->probing = 0; + } mutex_unlock(®ister_mutex); __err_val: return NULL; diff --git a/tools/perf/Makefile b/tools/perf/Makefile index 3b8f7b80376b..e9d5c271db69 100644 --- a/tools/perf/Makefile +++ b/tools/perf/Makefile @@ -30,6 +30,8 @@ endif # Define EXTRA_CFLAGS=-m64 or EXTRA_CFLAGS=-m32 as appropriate for cross-builds. # # Define NO_DWARF if you do not want debug-info analysis feature at all. +# +# Define WERROR=0 to disable treating any warnings as errors. $(OUTPUT)PERF-VERSION-FILE: .FORCE-PERF-VERSION-FILE @$(SHELL_PATH) util/PERF-VERSION-GEN $(OUTPUT) @@ -63,6 +65,11 @@ ifeq ($(ARCH),x86_64) endif endif +# Treat warnings as errors unless directed not to +ifneq ($(WERROR),0) + CFLAGS_WERROR := -Werror +endif + # # Include saner warnings here, which can catch bugs: # @@ -95,7 +102,7 @@ ifndef PERF_DEBUG CFLAGS_OPTIMIZE = -O6 endif -CFLAGS = -fno-omit-frame-pointer -ggdb3 -Wall -Wextra -std=gnu99 -Werror $(CFLAGS_OPTIMIZE) -D_FORTIFY_SOURCE=2 $(EXTRA_WARNINGS) $(EXTRA_CFLAGS) +CFLAGS = -fno-omit-frame-pointer -ggdb3 -Wall -Wextra -std=gnu99 $(CFLAGS_WERROR) $(CFLAGS_OPTIMIZE) -D_FORTIFY_SOURCE=2 $(EXTRA_WARNINGS) $(EXTRA_CFLAGS) EXTLIBS = -lpthread -lrt -lelf -lm ALL_CFLAGS = $(CFLAGS) -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64 ALL_LDFLAGS = $(LDFLAGS) diff --git a/tools/perf/builtin-record.c b/tools/perf/builtin-record.c index 6b0519f885e4..f4c3fbee4bad 100644 --- a/tools/perf/builtin-record.c +++ b/tools/perf/builtin-record.c @@ -161,6 +161,7 @@ static void config_attr(struct perf_evsel *evsel, struct perf_evlist *evlist) struct perf_event_attr *attr = &evsel->attr; int track = !evsel->idx; /* only the first counter needs these */ + attr->disabled = 1; attr->inherit = !no_inherit; attr->read_format = PERF_FORMAT_TOTAL_TIME_ENABLED | PERF_FORMAT_TOTAL_TIME_RUNNING | @@ -671,6 +672,8 @@ static int __cmd_record(int argc, const char **argv) } } + perf_evlist__enable(evsel_list); + /* * Let the child rip */ diff --git a/tools/perf/builtin-test.c b/tools/perf/builtin-test.c index 55f4c76f2821..efe696f936e2 100644 --- a/tools/perf/builtin-test.c +++ b/tools/perf/builtin-test.c @@ -561,7 +561,7 @@ static int test__basic_mmap(void) } err = perf_event__parse_sample(event, attr.sample_type, sample_size, - false, &sample); + false, &sample, false); if (err) { pr_err("Can't parse sample, err = %d\n", err); goto out_munmap; diff --git a/tools/perf/builtin-top.c b/tools/perf/builtin-top.c index a43433f08300..d28013b7d61c 100644 --- a/tools/perf/builtin-top.c +++ b/tools/perf/builtin-top.c @@ -191,7 +191,8 @@ static void __zero_source_counters(struct sym_entry *syme) symbol__annotate_zero_histograms(sym); } -static void record_precise_ip(struct sym_entry *syme, int counter, u64 ip) +static void record_precise_ip(struct sym_entry *syme, struct map *map, + int counter, u64 ip) { struct annotation *notes; struct symbol *sym; @@ -205,8 +206,8 @@ static void record_precise_ip(struct sym_entry *syme, int counter, u64 ip) if (pthread_mutex_trylock(¬es->lock)) return; - ip = syme->map->map_ip(syme->map, ip); - symbol__inc_addr_samples(sym, syme->map, counter, ip); + ip = map->map_ip(map, ip); + symbol__inc_addr_samples(sym, map, counter, ip); pthread_mutex_unlock(¬es->lock); } @@ -810,7 +811,7 @@ static void perf_event__process_sample(const union perf_event *event, evsel = perf_evlist__id2evsel(top.evlist, sample->id); assert(evsel != NULL); syme->count[evsel->idx]++; - record_precise_ip(syme, evsel->idx, ip); + record_precise_ip(syme, al.map, evsel->idx, ip); pthread_mutex_lock(&top.active_symbols_lock); if (list_empty(&syme->node) || !syme->node.next) { static bool first = true; diff --git a/tools/perf/util/event.c b/tools/perf/util/event.c index 3c1b8a632101..437f8ca679a0 100644 --- a/tools/perf/util/event.c +++ b/tools/perf/util/event.c @@ -169,12 +169,17 @@ static int perf_event__synthesize_mmap_events(union perf_event *event, continue; pbf += n + 3; if (*pbf == 'x') { /* vm_exec */ + char anonstr[] = "//anon\n"; char *execname = strchr(bf, '/'); /* Catch VDSO */ if (execname == NULL) execname = strstr(bf, "[vdso]"); + /* Catch anonymous mmaps */ + if ((execname == NULL) && !strstr(bf, "[")) + execname = anonstr; + if (execname == NULL) continue; diff --git a/tools/perf/util/event.h b/tools/perf/util/event.h index 1d7f66488a88..357a85b85248 100644 --- a/tools/perf/util/event.h +++ b/tools/perf/util/event.h @@ -186,6 +186,6 @@ const char *perf_event__name(unsigned int id); int perf_event__parse_sample(const union perf_event *event, u64 type, int sample_size, bool sample_id_all, - struct perf_sample *sample); + struct perf_sample *sample, bool swapped); #endif /* __PERF_RECORD_H */ diff --git a/tools/perf/util/evlist.c b/tools/perf/util/evlist.c index c12bd476c6f7..72e9f4886b6d 100644 --- a/tools/perf/util/evlist.c +++ b/tools/perf/util/evlist.c @@ -113,6 +113,19 @@ void perf_evlist__disable(struct perf_evlist *evlist) } } +void perf_evlist__enable(struct perf_evlist *evlist) +{ + int cpu, thread; + struct perf_evsel *pos; + + for (cpu = 0; cpu < evlist->cpus->nr; cpu++) { + list_for_each_entry(pos, &evlist->entries, node) { + for (thread = 0; thread < evlist->threads->nr; thread++) + ioctl(FD(pos, cpu, thread), PERF_EVENT_IOC_ENABLE); + } + } +} + int perf_evlist__alloc_pollfd(struct perf_evlist *evlist) { int nfds = evlist->cpus->nr * evlist->threads->nr * evlist->nr_entries; diff --git a/tools/perf/util/evlist.h b/tools/perf/util/evlist.h index ce85ae9ae57a..f34915002745 100644 --- a/tools/perf/util/evlist.h +++ b/tools/perf/util/evlist.h @@ -54,6 +54,7 @@ int perf_evlist__mmap(struct perf_evlist *evlist, int pages, bool overwrite); void perf_evlist__munmap(struct perf_evlist *evlist); void perf_evlist__disable(struct perf_evlist *evlist); +void perf_evlist__enable(struct perf_evlist *evlist); static inline void perf_evlist__set_maps(struct perf_evlist *evlist, struct cpu_map *cpus, diff --git a/tools/perf/util/evsel.c b/tools/perf/util/evsel.c index a03a36b7908a..c5748c52318f 100644 --- a/tools/perf/util/evsel.c +++ b/tools/perf/util/evsel.c @@ -7,6 +7,8 @@ * Released under the GPL v2. (and only v2, not any later version) */ +#include <byteswap.h> +#include "asm/bug.h" #include "evsel.h" #include "evlist.h" #include "util.h" @@ -342,10 +344,20 @@ static bool sample_overlap(const union perf_event *event, int perf_event__parse_sample(const union perf_event *event, u64 type, int sample_size, bool sample_id_all, - struct perf_sample *data) + struct perf_sample *data, bool swapped) { const u64 *array; + /* + * used for cross-endian analysis. See git commit 65014ab3 + * for why this goofiness is needed. + */ + union { + u64 val64; + u32 val32[2]; + } u; + + data->cpu = data->pid = data->tid = -1; data->stream_id = data->id = data->time = -1ULL; @@ -366,9 +378,16 @@ int perf_event__parse_sample(const union perf_event *event, u64 type, } if (type & PERF_SAMPLE_TID) { - u32 *p = (u32 *)array; - data->pid = p[0]; - data->tid = p[1]; + u.val64 = *array; + if (swapped) { + /* undo swap of u64, then swap on individual u32s */ + u.val64 = bswap_64(u.val64); + u.val32[0] = bswap_32(u.val32[0]); + u.val32[1] = bswap_32(u.val32[1]); + } + + data->pid = u.val32[0]; + data->tid = u.val32[1]; array++; } @@ -395,8 +414,15 @@ int perf_event__parse_sample(const union perf_event *event, u64 type, } if (type & PERF_SAMPLE_CPU) { - u32 *p = (u32 *)array; - data->cpu = *p; + + u.val64 = *array; + if (swapped) { + /* undo swap of u64, then swap on individual u32s */ + u.val64 = bswap_64(u.val64); + u.val32[0] = bswap_32(u.val32[0]); + } + + data->cpu = u.val32[0]; array++; } @@ -423,18 +449,24 @@ int perf_event__parse_sample(const union perf_event *event, u64 type, } if (type & PERF_SAMPLE_RAW) { - u32 *p = (u32 *)array; + u.val64 = *array; + if (WARN_ONCE(swapped, + "Endianness of raw data not corrected!\n")) { + /* undo swap of u64, then swap on individual u32s */ + u.val64 = bswap_64(u.val64); + u.val32[0] = bswap_32(u.val32[0]); + u.val32[1] = bswap_32(u.val32[1]); + } if (sample_overlap(event, array, sizeof(u32))) return -EFAULT; - data->raw_size = *p; - p++; + data->raw_size = u.val32[0]; - if (sample_overlap(event, p, data->raw_size)) + if (sample_overlap(event, &u.val32[1], data->raw_size)) return -EFAULT; - data->raw_data = p; + data->raw_data = &u.val32[1]; } return 0; diff --git a/tools/perf/util/probe-finder.c b/tools/perf/util/probe-finder.c index 555fc3864b90..5d732621a462 100644 --- a/tools/perf/util/probe-finder.c +++ b/tools/perf/util/probe-finder.c @@ -659,7 +659,7 @@ static int find_variable(Dwarf_Die *sc_die, struct probe_finder *pf) if (!die_find_variable_at(&pf->cu_die, pf->pvar->var, 0, &vr_die)) ret = -ENOENT; } - if (ret == 0) + if (ret >= 0) ret = convert_variable(&vr_die, pf); if (ret < 0) diff --git a/tools/perf/util/python.c b/tools/perf/util/python.c index cbc8f215d4b7..7624324efad4 100644 --- a/tools/perf/util/python.c +++ b/tools/perf/util/python.c @@ -803,7 +803,7 @@ static PyObject *pyrf_evlist__read_on_cpu(struct pyrf_evlist *pevlist, first = list_entry(evlist->entries.next, struct perf_evsel, node); err = perf_event__parse_sample(event, first->attr.sample_type, perf_evsel__sample_size(first), - sample_id_all, &pevent->sample); + sample_id_all, &pevent->sample, false); if (err) return PyErr_Format(PyExc_OSError, "perf: can't parse sample, err=%d", err); diff --git a/tools/perf/util/session.h b/tools/perf/util/session.h index 170601e67d6b..974d0cbee5e9 100644 --- a/tools/perf/util/session.h +++ b/tools/perf/util/session.h @@ -162,7 +162,8 @@ static inline int perf_session__parse_sample(struct perf_session *session, { return perf_event__parse_sample(event, session->sample_type, session->sample_size, - session->sample_id_all, sample); + session->sample_id_all, sample, + session->header.needs_swap); } struct perf_evsel *perf_session__find_first_evtype(struct perf_session *session, diff --git a/tools/perf/util/sort.c b/tools/perf/util/sort.c index 401e220566fd..1ee8f1e40f18 100644 --- a/tools/perf/util/sort.c +++ b/tools/perf/util/sort.c @@ -151,11 +151,17 @@ sort__sym_cmp(struct hist_entry *left, struct hist_entry *right) { u64 ip_l, ip_r; + if (!left->ms.sym && !right->ms.sym) + return right->level - left->level; + + if (!left->ms.sym || !right->ms.sym) + return cmp_null(left->ms.sym, right->ms.sym); + if (left->ms.sym == right->ms.sym) return 0; - ip_l = left->ms.sym ? left->ms.sym->start : left->ip; - ip_r = right->ms.sym ? right->ms.sym->start : right->ip; + ip_l = left->ms.sym->start; + ip_r = right->ms.sym->start; return (int64_t)(ip_r - ip_l); } diff --git a/tools/perf/util/symbol.c b/tools/perf/util/symbol.c index 469c0264ed29..40eeaf07725b 100644 --- a/tools/perf/util/symbol.c +++ b/tools/perf/util/symbol.c @@ -74,16 +74,104 @@ static void dso__set_sorted_by_name(struct dso *dso, enum map_type type) bool symbol_type__is_a(char symbol_type, enum map_type map_type) { + symbol_type = toupper(symbol_type); + switch (map_type) { case MAP__FUNCTION: return symbol_type == 'T' || symbol_type == 'W'; case MAP__VARIABLE: - return symbol_type == 'D' || symbol_type == 'd'; + return symbol_type == 'D'; default: return false; } } +static int prefix_underscores_count(const char *str) +{ + const char *tail = str; + + while (*tail == '_') + tail++; + + return tail - str; +} + +#define SYMBOL_A 0 +#define SYMBOL_B 1 + +static int choose_best_symbol(struct symbol *syma, struct symbol *symb) +{ + s64 a; + s64 b; + + /* Prefer a symbol with non zero length */ + a = syma->end - syma->start; + b = symb->end - symb->start; + if ((b == 0) && (a > 0)) + return SYMBOL_A; + else if ((a == 0) && (b > 0)) + return SYMBOL_B; + + /* Prefer a non weak symbol over a weak one */ + a = syma->binding == STB_WEAK; + b = symb->binding == STB_WEAK; + if (b && !a) + return SYMBOL_A; + if (a && !b) + return SYMBOL_B; + + /* Prefer a global symbol over a non global one */ + a = syma->binding == STB_GLOBAL; + b = symb->binding == STB_GLOBAL; + if (a && !b) + return SYMBOL_A; + if (b && !a) + return SYMBOL_B; + + /* Prefer a symbol with less underscores */ + a = prefix_underscores_count(syma->name); + b = prefix_underscores_count(symb->name); + if (b > a) + return SYMBOL_A; + else if (a > b) + return SYMBOL_B; + + /* If all else fails, choose the symbol with the longest name */ + if (strlen(syma->name) >= strlen(symb->name)) + return SYMBOL_A; + else + return SYMBOL_B; +} + +static void symbols__fixup_duplicate(struct rb_root *symbols) +{ + struct rb_node *nd; + struct symbol *curr, *next; + + nd = rb_first(symbols); + + while (nd) { + curr = rb_entry(nd, struct symbol, rb_node); +again: + nd = rb_next(&curr->rb_node); + next = rb_entry(nd, struct symbol, rb_node); + + if (!nd) + break; + + if (curr->start != next->start) + continue; + + if (choose_best_symbol(curr, next) == SYMBOL_A) { + rb_erase(&next->rb_node, symbols); + goto again; + } else { + nd = rb_next(&curr->rb_node); + rb_erase(&curr->rb_node, symbols); + } + } +} + static void symbols__fixup_end(struct rb_root *symbols) { struct rb_node *nd, *prevnd = rb_first(symbols); @@ -438,18 +526,11 @@ int kallsyms__parse(const char *filename, void *arg, char *line = NULL; size_t n; int err = -1; - u64 prev_start = 0; - char prev_symbol_type = 0; - char *prev_symbol_name; FILE *file = fopen(filename, "r"); if (file == NULL) goto out_failure; - prev_symbol_name = malloc(KSYM_NAME_LEN); - if (prev_symbol_name == NULL) - goto out_close; - err = 0; while (!feof(file)) { @@ -470,7 +551,7 @@ int kallsyms__parse(const char *filename, void *arg, if (len + 2 >= line_len) continue; - symbol_type = toupper(line[len]); + symbol_type = line[len]; len += 2; symbol_name = line + len; len = line_len - len; @@ -480,24 +561,18 @@ int kallsyms__parse(const char *filename, void *arg, break; } - if (prev_symbol_type) { - u64 end = start; - if (end != prev_start) - --end; - err = process_symbol(arg, prev_symbol_name, - prev_symbol_type, prev_start, end); - if (err) - break; - } - - memcpy(prev_symbol_name, symbol_name, len + 1); - prev_symbol_type = symbol_type; - prev_start = start; + /* + * module symbols are not sorted so we add all + * symbols with zero length and rely on + * symbols__fixup_end() to fix it up. + */ + err = process_symbol(arg, symbol_name, + symbol_type, start, start); + if (err) + break; } - free(prev_symbol_name); free(line); -out_close: fclose(file); return err; @@ -703,6 +778,9 @@ int dso__load_kallsyms(struct dso *dso, const char *filename, if (dso__load_all_kallsyms(dso, filename, map) < 0) return -1; + symbols__fixup_duplicate(&dso->symbols[map->type]); + symbols__fixup_end(&dso->symbols[map->type]); + if (dso->kernel == DSO_TYPE_GUEST_KERNEL) dso->symtab_type = SYMTAB__GUEST_KALLSYMS; else @@ -1092,8 +1170,7 @@ static int dso__load_sym(struct dso *dso, struct map *map, const char *name, if (dso->has_build_id) { u8 build_id[BUILD_ID_SIZE]; - if (elf_read_build_id(elf, build_id, - BUILD_ID_SIZE) != BUILD_ID_SIZE) + if (elf_read_build_id(elf, build_id, BUILD_ID_SIZE) < 0) goto out_elf_end; if (!dso__build_id_equal(dso, build_id)) @@ -1111,6 +1188,8 @@ static int dso__load_sym(struct dso *dso, struct map *map, const char *name, } opdsec = elf_section_by_name(elf, &ehdr, &opdshdr, ".opd", &opdidx); + if (opdshdr.sh_type != SHT_PROGBITS) + opdsec = NULL; if (opdsec) opddata = elf_rawdata(opdsec, NULL); @@ -1276,6 +1355,7 @@ new_symbol: * For misannotated, zeroed, ASM function sizes. */ if (nr > 0) { + symbols__fixup_duplicate(&dso->symbols[map->type]); symbols__fixup_end(&dso->symbols[map->type]); if (kmap) { /* @@ -1362,8 +1442,8 @@ static int elf_read_build_id(Elf *elf, void *bf, size_t size) ptr = data->d_buf; while (ptr < (data->d_buf + data->d_size)) { GElf_Nhdr *nhdr = ptr; - int namesz = NOTE_ALIGN(nhdr->n_namesz), - descsz = NOTE_ALIGN(nhdr->n_descsz); + size_t namesz = NOTE_ALIGN(nhdr->n_namesz), + descsz = NOTE_ALIGN(nhdr->n_descsz); const char *name; ptr += sizeof(*nhdr); @@ -1372,8 +1452,10 @@ static int elf_read_build_id(Elf *elf, void *bf, size_t size) if (nhdr->n_type == NT_GNU_BUILD_ID && nhdr->n_namesz == sizeof("GNU")) { if (memcmp(name, "GNU", sizeof("GNU")) == 0) { - memcpy(bf, ptr, BUILD_ID_SIZE); - err = BUILD_ID_SIZE; + size_t sz = min(size, descsz); + memcpy(bf, ptr, sz); + memset(bf + sz, 0, size - sz); + err = descsz; break; } } @@ -1425,7 +1507,7 @@ int sysfs__read_build_id(const char *filename, void *build_id, size_t size) while (1) { char bf[BUFSIZ]; GElf_Nhdr nhdr; - int namesz, descsz; + size_t namesz, descsz; if (read(fd, &nhdr, sizeof(nhdr)) != sizeof(nhdr)) break; @@ -1434,15 +1516,16 @@ int sysfs__read_build_id(const char *filename, void *build_id, size_t size) descsz = NOTE_ALIGN(nhdr.n_descsz); if (nhdr.n_type == NT_GNU_BUILD_ID && nhdr.n_namesz == sizeof("GNU")) { - if (read(fd, bf, namesz) != namesz) + if (read(fd, bf, namesz) != (ssize_t)namesz) break; if (memcmp(bf, "GNU", sizeof("GNU")) == 0) { - if (read(fd, build_id, - BUILD_ID_SIZE) == BUILD_ID_SIZE) { + size_t sz = min(descsz, size); + if (read(fd, build_id, sz) == (ssize_t)sz) { + memset(build_id + sz, 0, size - sz); err = 0; break; } - } else if (read(fd, bf, descsz) != descsz) + } else if (read(fd, bf, descsz) != (ssize_t)descsz) break; } else { int n = namesz + descsz; |