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authorLinus Torvalds <torvalds@linux-foundation.org>2010-02-27 16:19:22 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2010-02-27 16:19:22 -0800
commitf1dd6ad599732fc89f36fdd65a2c2cf3c63a8711 (patch)
tree5092207128e47cba99dc0fe373fff6a36f4cb4b8 /arch/mips/include/asm/mach-ar7/gpio.h
parent8d37a371b6869920e6c40c495c68eabba1ef3909 (diff)
parente10b234b3c4e255d3300a486c4ac15b43253ac6d (diff)
Merge branch 'upstream' of git://ftp.linux-mips.org/pub/scm/upstream-linus
* 'upstream' of git://ftp.linux-mips.org/pub/scm/upstream-linus: (141 commits) MIPS: Alchemy: defconfig updates MIPS: Alchemy: Fix Au1100 ethernet build failure MIPS: Alchemy: Repair db1500/bosporus builds MIPS: ARC: Cleanup unused definitions from sgialib.h MIPS: Cobalt: convert legacy port addresses to GT-64111 bus addresses MIPS: Alchemy: use 36bit addresses for PCMCIA resources. MIPS: Cobalt: Fix theoretical port aliasing issue MIPS: Use ALIGN(x, bytes) instead of __ALIGN_MASK(x, bytes - 1) MIPS: Crazy spinlock speed test. MIPS: Optimize spinlocks. MIPS: Alchemy: devboard PM needs to save CPLD registers. MIPS: PowerTV: Eliminate duplicate opcode definition macros MIPS: Lemote 2F: Move printks out of port_access_lock. MIPS: PNX833x: Convert IRQ controller locks to raw spinlocks. MIPS: Octeon: Replace spinlock with raw_spinlocks in dma-octeon.c. MIPS: Octeon: Replace rwlocks in irq_chip handlers with raw_spinlocks. MIPS: Octeon: Convert octeon_irq_msi_lock to raw spinlock. MIPS: Loongson: Remove pointless sample_lock from oprofile code. MIPS: SNI: Convert sni_rm200_i8259A_lock to raw spinlock. MIPS: i8259: Convert IRQ controller lock to raw spinlock. ...
Diffstat (limited to 'arch/mips/include/asm/mach-ar7/gpio.h')
-rw-r--r--arch/mips/include/asm/mach-ar7/gpio.h86
1 files changed, 8 insertions, 78 deletions
diff --git a/arch/mips/include/asm/mach-ar7/gpio.h b/arch/mips/include/asm/mach-ar7/gpio.h
index cbe9c4f126df..73f9b162c970 100644
--- a/arch/mips/include/asm/mach-ar7/gpio.h
+++ b/arch/mips/include/asm/mach-ar7/gpio.h
@@ -1,5 +1,5 @@
/*
- * Copyright (C) 2007 Florian Fainelli <florian@openwrt.org>
+ * Copyright (C) 2007-2009 Florian Fainelli <florian@openwrt.org>
*
* 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
@@ -22,88 +22,18 @@
#include <asm/mach-ar7/ar7.h>
#define AR7_GPIO_MAX 32
+#define NR_BUILTIN_GPIO AR7_GPIO_MAX
-extern int gpio_request(unsigned gpio, const char *label);
-extern void gpio_free(unsigned gpio);
+#define gpio_to_irq(gpio) NULL
-/* Common GPIO layer */
-static inline int gpio_get_value(unsigned gpio)
-{
- void __iomem *gpio_in =
- (void __iomem *)KSEG1ADDR(AR7_REGS_GPIO + AR7_GPIO_INPUT);
+#define gpio_get_value __gpio_get_value
+#define gpio_set_value __gpio_set_value
- return readl(gpio_in) & (1 << gpio);
-}
-
-static inline void gpio_set_value(unsigned gpio, int value)
-{
- void __iomem *gpio_out =
- (void __iomem *)KSEG1ADDR(AR7_REGS_GPIO + AR7_GPIO_OUTPUT);
- unsigned tmp;
-
- tmp = readl(gpio_out) & ~(1 << gpio);
- if (value)
- tmp |= 1 << gpio;
- writel(tmp, gpio_out);
-}
-
-static inline int gpio_direction_input(unsigned gpio)
-{
- void __iomem *gpio_dir =
- (void __iomem *)KSEG1ADDR(AR7_REGS_GPIO + AR7_GPIO_DIR);
-
- if (gpio >= AR7_GPIO_MAX)
- return -EINVAL;
-
- writel(readl(gpio_dir) | (1 << gpio), gpio_dir);
-
- return 0;
-}
-
-static inline int gpio_direction_output(unsigned gpio, int value)
-{
- void __iomem *gpio_dir =
- (void __iomem *)KSEG1ADDR(AR7_REGS_GPIO + AR7_GPIO_DIR);
-
- if (gpio >= AR7_GPIO_MAX)
- return -EINVAL;
-
- gpio_set_value(gpio, value);
- writel(readl(gpio_dir) & ~(1 << gpio), gpio_dir);
-
- return 0;
-}
-
-static inline int gpio_to_irq(unsigned gpio)
-{
- return -EINVAL;
-}
-
-static inline int irq_to_gpio(unsigned irq)
-{
- return -EINVAL;
-}
+#define gpio_cansleep __gpio_cansleep
/* Board specific GPIO functions */
-static inline int ar7_gpio_enable(unsigned gpio)
-{
- void __iomem *gpio_en =
- (void __iomem *)KSEG1ADDR(AR7_REGS_GPIO + AR7_GPIO_ENABLE);
-
- writel(readl(gpio_en) | (1 << gpio), gpio_en);
-
- return 0;
-}
-
-static inline int ar7_gpio_disable(unsigned gpio)
-{
- void __iomem *gpio_en =
- (void __iomem *)KSEG1ADDR(AR7_REGS_GPIO + AR7_GPIO_ENABLE);
-
- writel(readl(gpio_en) & ~(1 << gpio), gpio_en);
-
- return 0;
-}
+int ar7_gpio_enable(unsigned gpio);
+int ar7_gpio_disable(unsigned gpio);
#include <asm-generic/gpio.h>