diff options
| author | Linus Torvalds <torvalds@linux-foundation.org> | 2014-12-18 20:24:55 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2014-12-18 20:24:55 -0800 |
| commit | 385336e321c41b5174055c0194b60c19a27cc5c5 (patch) | |
| tree | a0b1a7c27bdf97b26130610e6e02565146b54738 | |
| parent | ebcffcda311c357c18985c9a13ae2a32f9a0f655 (diff) | |
| parent | 200db647112d9a0f1dce273604f949f916bd2426 (diff) | |
Merge tag 'platform-drivers-x86-v3.19-1' of git://git.infradead.org/users/dvhart/linux-platform-drivers-x86
Pull x86 platform driver update from Darren Hart:
- thinkpad-acpi: Switch to software mute, cleanups
- acerhdf: Bang-bang thermal governor, new models, cleanups
- dell-laptop: New keyboard backlight support and documentation
- toshiba_acpi: Keyboard backlight updates, hotkey handling
- dell-wmi: Keypress filtering, WMI event processing
- eeepc-laptop: Multiple cleanups, improved error handling, documentation
- hp_wireless: Inform the user if hp_wireless_input_setup()/add() fails
- misc: Code cleanups, quirks, various new IDs
* tag 'platform-drivers-x86-v3.19-1' of git://git.infradead.org/users/dvhart/linux-platform-drivers-x86: (33 commits)
platform/x86/acerhdf: Still depends on THERMAL
Documentation: Add entry for dell-laptop sysfs interface
acpi: Remove _OSI(Linux) for ThinkPads
thinkpad-acpi: Try to use full software mute control
acerhdf: minor clean up
acerhdf: added critical trip point
acerhdf: Use bang-bang thermal governor
acerhdf: Adding support for new models
acerhdf: Adding support for "manual mode"
dell-smo8800: Add more ACPI ids and change description of driver
platform: x86: dell-laptop: Add support for keyboard backlight
toshiba_acpi: Add keyboard backlight mode change event
toshiba_acpi: Change notify funtion to handle more events
toshiba_acpi: Move hotkey enabling code to its own function
dell-wmi: Don't report keypresses on keybord illumination change
dell-wmi: Don't report keypresses for radio state changes
hp_wireless: Inform the user if hp_wireless_input_setup()/add() fails
toshiba-acpi: Add missing ID (TOS6207)
Sony-laptop: Deletion of an unnecessary check before the function call "pci_dev_put"
platform: x86: Deletion of checks before backlight_device_unregister()
...
22 files changed, 1767 insertions, 401 deletions
diff --git a/Documentation/ABI/testing/sysfs-platform-dell-laptop b/Documentation/ABI/testing/sysfs-platform-dell-laptop new file mode 100644 index 000000000000..7969443ef0ef --- /dev/null +++ b/Documentation/ABI/testing/sysfs-platform-dell-laptop @@ -0,0 +1,60 @@ +What: /sys/class/leds/dell::kbd_backlight/als_setting +Date: December 2014 +KernelVersion: 3.19 +Contact: Gabriele Mazzotta <gabriele.mzt@gmail.com>, + Pali Rohár <pali.rohar@gmail.com> +Description: + This file allows to control the automatic keyboard + illumination mode on some systems that have an ambient + light sensor. Write 1 to this file to enable the auto + mode, 0 to disable it. + +What: /sys/class/leds/dell::kbd_backlight/start_triggers +Date: December 2014 +KernelVersion: 3.19 +Contact: Gabriele Mazzotta <gabriele.mzt@gmail.com>, + Pali Rohár <pali.rohar@gmail.com> +Description: + This file allows to control the input triggers that + turn on the keyboard backlight illumination that is + disabled because of inactivity. + Read the file to see the triggers available. The ones + enabled are preceded by '+', those disabled by '-'. + + To enable a trigger, write its name preceded by '+' to + this file. To disable a trigger, write its name preceded + by '-' instead. + + For example, to enable the keyboard as trigger run: + echo +keyboard > /sys/class/leds/dell::kbd_backlight/start_triggers + To disable it: + echo -keyboard > /sys/class/leds/dell::kbd_backlight/start_triggers + + Note that not all the available triggers can be configured. + +What: /sys/class/leds/dell::kbd_backlight/stop_timeout +Date: December 2014 +KernelVersion: 3.19 +Contact: Gabriele Mazzotta <gabriele.mzt@gmail.com>, + Pali Rohár <pali.rohar@gmail.com> +Description: + This file allows to specify the interval after which the + keyboard illumination is disabled because of inactivity. + The timeouts are expressed in seconds, minutes, hours and + days, for which the symbols are 's', 'm', 'h' and 'd' + respectively. + + To configure the timeout, write to this file a value along + with any the above units. If no unit is specified, the value + is assumed to be expressed in seconds. + + For example, to set the timeout to 10 minutes run: + echo 10m > /sys/class/leds/dell::kbd_backlight/stop_timeout + + Note that when this file is read, the returned value might be + expressed in a different unit than the one used when the timeout + was set. + + Also note that only some timeouts are supported and that + some systems might fall back to a specific timeout in case + an invalid timeout is written to this file. diff --git a/drivers/acpi/blacklist.c b/drivers/acpi/blacklist.c index 7556e7c4a055..9b693d54c743 100644 --- a/drivers/acpi/blacklist.c +++ b/drivers/acpi/blacklist.c @@ -305,60 +305,6 @@ static struct dmi_system_id acpi_osi_dmi_table[] __initdata = { */ /* - * Lenovo has a mix of systems OSI(Linux) situations - * and thus we can not wildcard the vendor. - * - * _OSI(Linux) helps sound - * DMI_MATCH(DMI_PRODUCT_VERSION, "ThinkPad R61"), - * DMI_MATCH(DMI_PRODUCT_VERSION, "ThinkPad T61"), - * T400, T500 - * _OSI(Linux) has Linux specific hooks - * DMI_MATCH(DMI_PRODUCT_VERSION, "ThinkPad X61"), - * _OSI(Linux) is a NOP: - * DMI_MATCH(DMI_PRODUCT_VERSION, "3000 N100"), - * DMI_MATCH(DMI_PRODUCT_VERSION, "LENOVO3000 V100"), - */ - { - .callback = dmi_enable_osi_linux, - .ident = "Lenovo ThinkPad R61", - .matches = { - DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"), - DMI_MATCH(DMI_PRODUCT_VERSION, "ThinkPad R61"), - }, - }, - { - .callback = dmi_enable_osi_linux, - .ident = "Lenovo ThinkPad T61", - .matches = { - DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"), - DMI_MATCH(DMI_PRODUCT_VERSION, "ThinkPad T61"), - }, - }, - { - .callback = dmi_enable_osi_linux, - .ident = "Lenovo ThinkPad X61", - .matches = { - DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"), - DMI_MATCH(DMI_PRODUCT_VERSION, "ThinkPad X61"), - }, - }, - { - .callback = dmi_enable_osi_linux, - .ident = "Lenovo ThinkPad T400", - .matches = { - DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"), - DMI_MATCH(DMI_PRODUCT_VERSION, "ThinkPad T400"), - }, - }, - { - .callback = dmi_enable_osi_linux, - .ident = "Lenovo ThinkPad T500", - .matches = { - DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"), - DMI_MATCH(DMI_PRODUCT_VERSION, "ThinkPad T500"), - }, - }, - /* * Without this this EEEpc exports a non working WMI interface, with * this it exports a working "good old" eeepc_laptop interface, fixing * both brightness control, and rfkill not working. diff --git a/drivers/platform/x86/Kconfig b/drivers/platform/x86/Kconfig index a2eabe6ff9ad..638e797037da 100644 --- a/drivers/platform/x86/Kconfig +++ b/drivers/platform/x86/Kconfig @@ -38,7 +38,8 @@ config ACER_WMI config ACERHDF tristate "Acer Aspire One temperature and fan driver" - depends on THERMAL && ACPI + depends on ACPI && THERMAL + select THERMAL_GOV_BANG_BANG ---help--- This is a driver for Acer Aspire One netbooks. It allows to access the temperature sensor and to control the fan. @@ -128,10 +129,10 @@ config DELL_WMI_AIO be called dell-wmi-aio. config DELL_SMO8800 - tristate "Dell Latitude freefall driver (ACPI SMO8800/SMO8810)" + tristate "Dell Latitude freefall driver (ACPI SMO88XX)" depends on ACPI ---help--- - Say Y here if you want to support SMO8800/SMO8810 freefall device + Say Y here if you want to support SMO88XX freefall devices on Dell Latitude laptops. To compile this driver as a module, choose M here: the module will diff --git a/drivers/platform/x86/acerhdf.c b/drivers/platform/x86/acerhdf.c index aaf37c5f12f9..594c918b553d 100644 --- a/drivers/platform/x86/acerhdf.c +++ b/drivers/platform/x86/acerhdf.c @@ -50,7 +50,7 @@ */ #undef START_IN_KERNEL_MODE -#define DRV_VER "0.5.26" +#define DRV_VER "0.7.0" /* * According to the Atom N270 datasheet, @@ -119,116 +119,152 @@ struct fancmd { u8 cmd_auto; }; +struct manualcmd { + u8 mreg; + u8 moff; +}; + +/* default register and command to disable fan in manual mode */ +static const struct manualcmd mcmd = { + .mreg = 0x94, + .moff = 0xff, +}; + /* BIOS settings */ -struct bios_settings_t { +struct bios_settings { const char *vendor; const char *product; const char *version; - unsigned char fanreg; - unsigned char tempreg; + u8 fanreg; + u8 tempreg; struct fancmd cmd; + int mcmd_enable; }; /* Register addresses and values for different BIOS versions */ -static const struct bios_settings_t bios_tbl[] = { +static const struct bios_settings bios_tbl[] = { /* AOA110 */ - {"Acer", "AOA110", "v0.3109", 0x55, 0x58, {0x1f, 0x00} }, - {"Acer", "AOA110", "v0.3114", 0x55, 0x58, {0x1f, 0x00} }, - {"Acer", "AOA110", "v0.3301", 0x55, 0x58, {0xaf, 0x00} }, - {"Acer", "AOA110", "v0.3304", 0x55, 0x58, {0xaf, 0x00} }, - {"Acer", "AOA110", "v0.3305", 0x55, 0x58, {0xaf, 0x00} }, - {"Acer", "AOA110", "v0.3307", 0x55, 0x58, {0xaf, 0x00} }, - {"Acer", "AOA110", "v0.3308", 0x55, 0x58, {0x21, 0x00} }, - {"Acer", "AOA110", "v0.3309", 0x55, 0x58, {0x21, 0x00} }, - {"Acer", "AOA110", "v0.3310", 0x55, 0x58, {0x21, 0x00} }, + {"Acer", "AOA110", "v0.3109", 0x55, 0x58, {0x1f, 0x00}, 0}, + {"Acer", "AOA110", "v0.3114", 0x55, 0x58, {0x1f, 0x00}, 0}, + {"Acer", "AOA110", "v0.3301", 0x55, 0x58, {0xaf, 0x00}, 0}, + {"Acer", "AOA110", "v0.3304", 0x55, 0x58, {0xaf, 0x00}, 0}, + {"Acer", "AOA110", "v0.3305", 0x55, 0x58, {0xaf, 0x00}, 0}, + {"Acer", "AOA110", "v0.3307", 0x55, 0x58, {0xaf, 0x00}, 0}, + {"Acer", "AOA110", "v0.3308", 0x55, 0x58, {0x21, 0x00}, 0}, + {"Acer", "AOA110", "v0.3309", 0x55, 0x58, {0x21, 0x00}, 0}, + {"Acer", "AOA110", "v0.3310", 0x55, 0x58, {0x21, 0x00}, 0}, /* AOA150 */ - {"Acer", "AOA150", "v0.3114", 0x55, 0x58, {0x1f, 0x00} }, - {"Acer", "AOA150", "v0.3301", 0x55, 0x58, {0x20, 0x00} }, - {"Acer", "AOA150", "v0.3304", 0x55, 0x58, {0x20, 0x00} }, - {"Acer", "AOA150", "v0.3305", 0x55, 0x58, {0x20, 0x00} }, - {"Acer", "AOA150", "v0.3307", 0x55, 0x58, {0x20, 0x00} }, - {"Acer", "AOA150", "v0.3308", 0x55, 0x58, {0x20, 0x00} }, - {"Acer", "AOA150", "v0.3309", 0x55, 0x58, {0x20, 0x00} }, - {"Acer", "AOA150", "v0.3310", 0x55, 0x58, {0x20, 0x00} }, + {"Acer", "AOA150", "v0.3114", 0x55, 0x58, {0x1f, 0x00}, 0}, + {"Acer", "AOA150", "v0.3301", 0x55, 0x58, {0x20, 0x00}, 0}, + {"Acer", "AOA150", "v0.3304", 0x55, 0x58, {0x20, 0x00}, 0}, + {"Acer", "AOA150", "v0.3305", 0x55, 0x58, {0x20, 0x00}, 0}, + {"Acer", "AOA150", "v0.3307", 0x55, 0x58, {0x20, 0x00}, 0}, + {"Acer", "AOA150", "v0.3308", 0x55, 0x58, {0x20, 0x00}, 0}, + {"Acer", "AOA150", "v0.3309", 0x55, 0x58, {0x20, 0x00}, 0}, + {"Acer", "AOA150", "v0.3310", 0x55, 0x58, {0x20, 0x00}, 0}, /* LT1005u */ - {"Acer", "LT-10Q", "v0.3310", 0x55, 0x58, {0x20, 0x00} }, + {"Acer", "LT-10Q", "v0.3310", 0x55, 0x58, {0x20, 0x00}, 0}, /* Acer 1410 */ - {"Acer", "Aspire 1410", "v0.3108", 0x55, 0x58, {0x9e, 0x00} }, - {"Acer", "Aspire 1410", "v0.3113", 0x55, 0x58, {0x9e, 0x00} }, - {"Acer", "Aspire 1410", "v0.3115", 0x55, 0x58, {0x9e, 0x00} }, - {"Acer", "Aspire 1410", "v0.3117", 0x55, 0x58, {0x9e, 0x00} }, - {"Acer", "Aspire 1410", "v0.3119", 0x55, 0x58, {0x9e, 0x00} }, - {"Acer", "Aspire 1410", "v0.3120", 0x55, 0x58, {0x9e, 0x00} }, - {"Acer", "Aspire 1410", "v1.3204", 0x55, 0x58, {0x9e, 0x00} }, - {"Acer", "Aspire 1410", "v1.3303", 0x55, 0x58, {0x9e, 0x00} }, - {"Acer", "Aspire 1410", "v1.3308", 0x55, 0x58, {0x9e, 0x00} }, - {"Acer", "Aspire 1410", "v1.3310", 0x55, 0x58, {0x9e, 0x00} }, - {"Acer", "Aspire 1410", "v1.3314", 0x55, 0x58, {0x9e, 0x00} }, + {"Acer", "Aspire 1410", "v0.3108", 0x55, 0x58, {0x9e, 0x00}, 0}, + {"Acer", "Aspire 1410", "v0.3113", 0x55, 0x58, {0x9e, 0x00}, 0}, + {"Acer", "Aspire 1410", "v0.3115", 0x55, 0x58, {0x9e, 0x00}, 0}, + {"Acer", "Aspire 1410", "v0.3117", 0x55, 0x58, {0x9e, 0x00}, 0}, + {"Acer", "Aspire 1410", "v0.3119", 0x55, 0x58, {0x9e, 0x00}, 0}, + {"Acer", "Aspire 1410", "v0.3120", 0x55, 0x58, {0x9e, 0x00}, 0}, + {"Acer", "Aspire 1410", "v1.3204", 0x55, 0x58, {0x9e, 0x00}, 0}, + {"Acer", "Aspire 1410", "v1.3303", 0x55, 0x58, {0x9e, 0x00}, 0}, + {"Acer", "Aspire 1410", "v1.3308", 0x55, 0x58, {0x9e, 0x00}, 0}, + {"Acer", "Aspire 1410", "v1.3310", 0x55, 0x58, {0x9e, 0x00}, 0}, + {"Acer", "Aspire 1410", "v1.3314", 0x55, 0x58, {0x9e, 0x00}, 0}, /* Acer 1810xx */ - {"Acer", "Aspire 1810TZ", "v0.3108", 0x55, 0x58, {0x9e, 0x00} }, - {"Acer", "Aspire 1810T", "v0.3108", 0x55, 0x58, {0x9e, 0x00} }, - {"Acer", "Aspire 1810TZ", "v0.3113", 0x55, 0x58, {0x9e, 0x00} }, - {"Acer", "Aspire 1810T", "v0.3113", 0x55, 0x58, {0x9e, 0x00} }, - {"Acer", "Aspire 1810TZ", "v0.3115", 0x55, 0x58, {0x9e, 0x00} }, - {"Acer", "Aspire 1810T", "v0.3115", 0x55, 0x58, {0x9e, 0x00} }, - {"Acer", "Aspire 1810TZ", "v0.3117", 0x55, 0x58, {0x9e, 0x00} }, - {"Acer", "Aspire 1810T", "v0.3117", 0x55, 0x58, {0x9e, 0x00} }, - {"Acer", "Aspire 1810TZ", "v0.3119", 0x55, 0x58, {0x9e, 0x00} }, - {"Acer", "Aspire 1810T", "v0.3119", 0x55, 0x58, {0x9e, 0x00} }, - {"Acer", "Aspire 1810TZ", "v0.3120", 0x55, 0x58, {0x9e, 0x00} }, - {"Acer", "Aspire 1810T", "v0.3120", 0x55, 0x58, {0x9e, 0x00} }, - {"Acer", "Aspire 1810TZ", "v1.3204", 0x55, 0x58, {0x9e, 0x00} }, - {"Acer", "Aspire 1810T", "v1.3204", 0x55, 0x58, {0x9e, 0x00} }, - {"Acer", "Aspire 1810TZ", "v1.3303", 0x55, 0x58, {0x9e, 0x00} }, - {"Acer", "Aspire 1810T", "v1.3303", 0x55, 0x58, {0x9e, 0x00} }, - {"Acer", "Aspire 1810TZ", "v1.3308", 0x55, 0x58, {0x9e, 0x00} }, - {"Acer", "Aspire 1810T", "v1.3308", 0x55, 0x58, {0x9e, 0x00} }, - {"Acer", "Aspire 1810TZ", "v1.3310", 0x55, 0x58, {0x9e, 0x00} }, - {"Acer", "Aspire 1810T", "v1.3310", 0x55, 0x58, {0x9e, 0x00} }, - {"Acer", "Aspire 1810TZ", "v1.3314", 0x55, 0x58, {0x9e, 0x00} }, - {"Acer", "Aspire 1810T", "v1.3314", 0x55, 0x58, {0x9e, 0x00} }, + {"Acer", "Aspire 1810TZ", "v0.3108", 0x55, 0x58, {0x9e, 0x00}, 0}, + {"Acer", "Aspire 1810T", "v0.3108", 0x55, 0x58, {0x9e, 0x00}, 0}, + {"Acer", "Aspire 1810TZ", "v0.3113", 0x55, 0x58, {0x9e, 0x00}, 0}, + {"Acer", "Aspire 1810T", "v0.3113", 0x55, 0x58, {0x9e, 0x00}, 0}, + {"Acer", "Aspire 1810TZ", "v0.3115", 0x55, 0x58, {0x9e, 0x00}, 0}, + {"Acer", "Aspire 1810T", "v0.3115", 0x55, 0x58, {0x9e, 0x00}, 0}, + {"Acer", "Aspire 1810TZ", "v0.3117", 0x55, 0x58, {0x9e, 0x00}, 0}, + {"Acer", "Aspire 1810T", "v0.3117", 0x55, 0x58, {0x9e, 0x00}, 0}, + {"Acer", "Aspire 1810TZ", "v0.3119", 0x55, 0x58, {0x9e, 0x00}, 0}, + {"Acer", "Aspire 1810T", "v0.3119", 0x55, 0x58, {0x9e, 0x00}, 0}, + {"Acer", "Aspire 1810TZ", "v0.3120", 0x55, 0x58, {0x9e, 0x00}, 0}, + {"Acer", "Aspire 1810T", "v0.3120", 0x55, 0x58, {0x9e, 0x00}, 0}, + {"Acer", "Aspire 1810TZ", "v1.3204", 0x55, 0x58, {0x9e, 0x00}, 0}, + {"Acer", "Aspire 1810T", "v1.3204", 0x55, 0x58, {0x9e, 0x00}, 0}, + {"Acer", "Aspire 1810TZ", "v1.3303", 0x55, 0x58, {0x9e, 0x00}, 0}, + {"Acer", "Aspire 1810T", "v1.3303", 0x55, 0x58, {0x9e, 0x00}, 0}, + {"Acer", "Aspire 1810TZ", "v1.3308", 0x55, 0x58, {0x9e, 0x00}, 0}, + {"Acer", "Aspire 1810T", "v1.3308", 0x55, 0x58, {0x9e, 0x00}, 0}, + {"Acer", "Aspire 1810TZ", "v1.3310", 0x55, 0x58, {0x9e, 0x00}, 0}, + {"Acer", "Aspire 1810T", "v1.3310", 0x55, 0x58, {0x9e, 0x00}, 0}, + {"Acer", "Aspire 1810TZ", "v1.3314", 0x55, 0x58, {0x9e, 0x00}, 0}, + {"Acer", "Aspire 1810T", "v1.3314", 0x55, 0x58, {0x9e, 0x00}, 0}, + /* Acer 5755G */ + {"Acer", "Aspire 5755G", "V1.20", 0xab, 0xb4, {0x00, 0x08}, 0}, + {"Acer", "Aspire 5755G", "V1.21", 0xab, 0xb3, {0x00, 0x08}, 0}, + /* Acer 521 */ + {"Acer", "AO521", "V1.11", 0x55, 0x58, {0x1f, 0x00}, 0}, /* Acer 531 */ - {"Acer", "AO531h", "v0.3104", 0x55, 0x58, {0x20, 0x00} }, - {"Acer", "AO531h", "v0.3201", 0x55, 0x58, {0x20, 0x00} }, - {"Acer", "AO531h", "v0.3304", 0x55, 0x58, {0x20, 0x00} }, + {"Acer", "AO531h", "v0.3104", 0x55, 0x58, {0x20, 0x00}, 0}, + {"Acer", "AO531h", "v0.3201", 0x55, 0x58, {0x20, 0x00}, 0}, + {"Acer", "AO531h", "v0.3304", 0x55, 0x58, {0x20, 0x00}, 0}, /* Acer 751 */ - {"Acer", "AO751h", "V0.3212", 0x55, 0x58, {0x21, 0x00} }, + {"Acer", "AO751h", "V0.3206", 0x55, 0x58, {0x21, 0x00}, 0}, + {"Acer", "AO751h", "V0.3212", 0x55, 0x58, {0x21, 0x00}, 0}, + /* Acer 753 */ + {"Acer", "Aspire One 753", "V1.24", 0x93, 0xac, {0x14, 0x04}, 1}, /* Acer 1825 */ - {"Acer", "Aspire 1825PTZ", "V1.3118", 0x55, 0x58, {0x9e, 0x00} }, - {"Acer", "Aspire 1825PTZ", "V1.3127", 0x55, 0x58, {0x9e, 0x00} }, + {"Acer", "Aspire 1825PTZ", "V1.3118", 0x55, 0x58, {0x9e, 0x00}, 0}, + {"Acer", "Aspire 1825PTZ", "V1.3127", 0x55, 0x58, {0x9e, 0x00}, 0}, + /* Acer Extensa 5420 */ + {"Acer", "Extensa 5420", "V1.17", 0x93, 0xac, {0x14, 0x04}, 1}, + /* Acer Aspire 5315 */ + {"Acer", "Aspire 5315", "V1.19", 0x93, 0xac, {0x14, 0x04}, 1}, + /* Acer Aspire 5739 */ + {"Acer", "Aspire 5739G", "V1.3311", 0x55, 0x58, {0x20, 0x00}, 0}, /* Acer TravelMate 7730 */ - {"Acer", "TravelMate 7730G", "v0.3509", 0x55, 0x58, {0xaf, 0x00} }, + {"Acer", "TravelMate 7730G", "v0.3509", 0x55, 0x58, {0xaf, 0x00}, 0}, + /* Acer TravelMate TM8573T */ + {"Acer", "TM8573T", "V1.13", 0x93, 0xa8, {0x14, 0x04}, 1}, /* Gateway */ - {"Gateway", "AOA110", "v0.3103", 0x55, 0x58, {0x21, 0x00} }, - {"Gateway", "AOA150", "v0.3103", 0x55, 0x58, {0x20, 0x00} }, - {"Gateway", "LT31", "v1.3103", 0x55, 0x58, {0x9e, 0x00} }, - {"Gateway", "LT31", "v1.3201", 0x55, 0x58, {0x9e, 0x00} }, - {"Gateway", "LT31", "v1.3302", 0x55, 0x58, {0x9e, 0x00} }, - {"Gateway", "LT31", "v1.3303t", 0x55, 0x58, {0x9e, 0x00} }, + {"Gateway", "AOA110", "v0.3103", 0x55, 0x58, {0x21, 0x00}, 0}, + {"Gateway", "AOA150", "v0.3103", 0x55, 0x58, {0x20, 0x00}, 0}, + {"Gateway", "LT31", "v1.3103", 0x55, 0x58, {0x9e, 0x00}, 0}, + {"Gateway", "LT31", "v1.3201", 0x55, 0x58, {0x9e, 0x00}, 0}, + {"Gateway", "LT31", "v1.3302", 0x55, 0x58, {0x9e, 0x00}, 0}, + {"Gateway", "LT31", "v1.3303t", 0x55, 0x58, {0x9e, 0x00}, 0}, /* Packard Bell */ - {"Packard Bell", "DOA150", "v0.3104", 0x55, 0x58, {0x21, 0x00} }, - {"Packard Bell", "DOA150", "v0.3105", 0x55, 0x58, {0x20, 0x00} }, - {"Packard Bell", "AOA110", "v0.3105", 0x55, 0x58, {0x21, 0x00} }, - {"Packard Bell", "AOA150", "v0.3105", 0x55, 0x58, {0x20, 0x00} }, - {"Packard Bell", "ENBFT", "V1.3118", 0x55, 0x58, {0x9e, 0x00} }, - {"Packard Bell", "ENBFT", "V1.3127", 0x55, 0x58, {0x9e, 0x00} }, - {"Packard Bell", "DOTMU", "v1.3303", 0x55, 0x58, {0x9e, 0x00} }, - {"Packard Bell", "DOTMU", "v0.3120", 0x55, 0x58, {0x9e, 0x00} }, - {"Packard Bell", "DOTMU", "v0.3108", 0x55, 0x58, {0x9e, 0x00} }, - {"Packard Bell", "DOTMU", "v0.3113", 0x55, 0x58, {0x9e, 0x00} }, - {"Packard Bell", "DOTMU", "v0.3115", 0x55, 0x58, {0x9e, 0x00} }, - {"Packard Bell", "DOTMU", "v0.3117", 0x55, 0x58, {0x9e, 0x00} }, - {"Packard Bell", "DOTMU", "v0.3119", 0x55, 0x58, {0x9e, 0x00} }, - {"Packard Bell", "DOTMU", "v1.3204", 0x55, 0x58, {0x9e, 0x00} }, - {"Packard Bell", "DOTMA", "v1.3201", 0x55, 0x58, {0x9e, 0x00} }, - {"Packard Bell", "DOTMA", "v1.3302", 0x55, 0x58, {0x9e, 0x00} }, - {"Packard Bell", "DOTMA", "v1.3303t", 0x55, 0x58, {0x9e, 0x00} }, - {"Packard Bell", "DOTVR46", "v1.3308", 0x55, 0x58, {0x9e, 0x00} }, + {"Packard Bell", "DOA150", "v0.3104", 0x55, 0x58, {0x21, 0x00}, 0}, + {"Packard Bell", "DOA150", "v0.3105", 0x55, 0x58, {0x20, 0x00}, 0}, + {"Packard Bell", "AOA110", "v0.3105", 0x55, 0x58, {0x21, 0x00}, 0}, + {"Packard Bell", "AOA150", "v0.3105", 0x55, 0x58, {0x20, 0x00}, 0}, + {"Packard Bell", "ENBFT", "V1.3118", 0x55, 0x58, {0x9e, 0x00}, 0}, + {"Packard Bell", "ENBFT", "V1.3127", 0x55, 0x58, {0x9e, 0x00}, 0}, + {"Packard Bell", "DOTMU", "v1.3303", 0x55, 0x58, {0x9e, 0x00}, 0}, + {"Packard Bell", "DOTMU", "v0.3120", 0x55, 0x58, {0x9e, 0x00}, 0}, + {"Packard Bell", "DOTMU", "v0.3108", 0x55, 0x58, {0x9e, 0x00}, 0}, + {"Packard Bell", "DOTMU", "v0.3113", 0x55, 0x58, {0x9e, 0x00}, 0}, + {"Packard Bell", "DOTMU", "v0.3115", 0x55, 0x58, {0x9e, 0x00}, 0}, + {"Packard Bell", "DOTMU", "v0.3117", 0x55, 0x58, {0x9e, 0x00}, 0}, + {"Packard Bell", "DOTMU", "v0.3119", 0x55, 0x58, {0x9e, 0x00}, 0}, + {"Packard Bell", "DOTMU", "v1.3204", 0x55, 0x58, {0x9e, 0x00}, 0}, + {"Packard Bell", "DOTMA", "v1.3201", 0x55, 0x58, {0x9e, 0x00}, 0}, + {"Packard Bell", "DOTMA", "v1.3302", 0x55, 0x58, {0x9e, 0x00}, 0}, + {"Packard Bell", "DOTMA", "v1.3303t", 0x55, 0x58, {0x9e, 0x00}, 0}, + {"Packard Bell", "DOTVR46", "v1.3308", 0x55, 0x58, {0x9e, 0x00}, 0}, /* pewpew-terminator */ - {"", "", "", 0, 0, {0, 0} } + {"", "", "", 0, 0, {0, 0}, 0} }; -static const struct bios_settings_t *bios_cfg __read_mostly; +static const struct bios_settings *bios_cfg __read_mostly; + +/* + * this struct is used to instruct thermal layer to use bang_bang instead of + * default governor for acerhdf + */ +static struct thermal_zone_params acerhdf_zone_params = { + .governor_name = "bang_bang", +}; static int acerhdf_get_temp(int *temp) { @@ -275,6 +311,12 @@ static void acerhdf_change_fanstate(int state) fanstate = state; ec_write(bios_cfg->fanreg, cmd); + + if (bios_cfg->mcmd_enable && state == ACERHDF_FAN_OFF) { + if (verbose) + pr_notice("turning off fan manually\n"); + ec_write(mcmd.mreg, mcmd.moff); + } } static void acerhdf_check_param(struct thermal_zone_device *thermal) @@ -401,6 +443,21 @@ static int acerhdf_get_trip_type(struct thermal_zone_device *thermal, int trip, { if (trip == 0) *type = THERMAL_TRIP_ACTIVE; + else if (trip == 1) + *type = THERMAL_TRIP_CRITICAL; + else + return -EINVAL; + + return 0; +} + +static int acerhdf_get_trip_hyst(struct thermal_zone_device *thermal, int trip, + unsigned long *temp) +{ + if (trip != 0) + return -EINVAL; + + *temp = fanon - fanoff; return 0; } @@ -410,6 +467,10 @@ static int acerhdf_get_trip_temp(struct thermal_zone_device *thermal, int trip, { if (trip == 0) *temp = fanon; + else if (trip == 1) + *temp = ACERHDF_TEMP_CRIT; + else + return -EINVAL; return 0; } @@ -429,6 +490,7 @@ static struct thermal_zone_device_ops acerhdf_dev_ops = { .get_mode = acerhdf_get_mode, .set_mode = acerhdf_set_mode, .get_trip_type = acerhdf_get_trip_type, + .get_trip_hyst = acerhdf_get_trip_hyst, .get_trip_temp = acerhdf_get_trip_temp, .get_crit_temp = acerhdf_get_crit_temp, }; @@ -481,9 +543,7 @@ static int acerhdf_set_cur_state(struct thermal_cooling_device *cdev, } if (state == 0) { - /* turn fan off only if below fanoff temperature */ - if ((cur_state == ACERHDF_FAN_AUTO) && - (cur_temp < fanoff)) + if (cur_state == ACERHDF_FAN_AUTO) acerhdf_change_fanstate(ACERHDF_FAN_OFF); } else { if (cur_state == ACERHDF_FAN_OFF) @@ -558,7 +618,7 @@ static int str_starts_with(const char *str, const char *start) static int acerhdf_check_hardware(void) { char const *vendor, *version, *product; - const struct bios_settings_t *bt = NULL; + const struct bios_settings *bt = NULL; /* get BIOS data */ vendor = dmi_get_system_info(DMI_SYS_VENDOR); @@ -660,12 +720,20 @@ static int acerhdf_register_thermal(void) if (IS_ERR(cl_dev)) return -EINVAL; - thz_dev = thermal_zone_device_register("acerhdf", 1, 0, NULL, - &acerhdf_dev_ops, NULL, 0, + thz_dev = thermal_zone_device_register("acerhdf", 2, 0, NULL, + &acerhdf_dev_ops, + &acerhdf_zone_params, 0, (kernelmode) ? interval*1000 : 0); if (IS_ERR(thz_dev)) return -EINVAL; + if (strcmp(thz_dev->governor->name, + acerhdf_zone_params.governor_name)) { + pr_err("Didn't get thermal governor %s, perhaps not compiled into thermal subsystem.\n", + acerhdf_zone_params.governor_name); + return -EINVAL; + } + return 0; } @@ -722,9 +790,15 @@ MODULE_ALIAS("dmi:*:*Acer*:pnAOA*:"); MODULE_ALIAS("dmi:*:*Acer*:pnAO751h*:"); MODULE_ALIAS("dmi:*:*Acer*:pnAspire*1410*:"); MODULE_ALIAS("dmi:*:*Acer*:pnAspire*1810*:"); +MODULE_ALIAS("dmi:*:*Acer*:pnAspire*5755G:"); MODULE_ALIAS("dmi:*:*Acer*:pnAspire*1825PTZ:"); +MODULE_ALIAS("dmi:*:*Acer*:pnAO521*:"); MODULE_ALIAS("dmi:*:*Acer*:pnAO531*:"); +MODULE_ALIAS("dmi:*:*Acer*:pnAspire*5739G:"); +MODULE_ALIAS("dmi:*:*Acer*:pnAspire*One*753:"); +MODULE_ALIAS("dmi:*:*Acer*:pnAspire*5315:"); MODULE_ALIAS("dmi:*:*Acer*:TravelMate*7730G:"); +MODULE_ALIAS("dmi:*:*Acer*:TM8573T:"); MODULE_ALIAS("dmi:*:*Gateway*:pnAOA*:"); MODULE_ALIAS("dmi:*:*Gateway*:pnLT31*:"); MODULE_ALIAS("dmi:*:*Packard*Bell*:pnAOA*:"); @@ -733,6 +807,7 @@ MODULE_ALIAS("dmi:*:*Packard*Bell*:pnDOTMU*:"); MODULE_ALIAS("dmi:*:*Packard*Bell*:pnENBFT*:"); MODULE_ALIAS("dmi:*:*Packard*Bell*:pnDOTMA*:"); MODULE_ALIAS("dmi:*:*Packard*Bell*:pnDOTVR46*:"); +MODULE_ALIAS("dmi:*:*Acer*:pnExtensa 5420*:"); module_init(acerhdf_init); module_exit(acerhdf_exit); diff --git a/drivers/platform/x86/asus-laptop.c b/drivers/platform/x86/asus-laptop.c index 05647f1a427e..f71700e0d132 100644 --- a/drivers/platform/x86/asus-laptop.c +++ b/drivers/platform/x86/asus-laptop.c @@ -843,8 +843,7 @@ static int asus_backlight_init(struct asus_laptop *asus) static void asus_backlight_exit(struct asus_laptop *asus) { - if (asus->backlight_device) - backlight_device_unregister(asus->backlight_device); + backlight_device_unregister(asus->backlight_device); asus->backlight_device = NULL; } diff --git a/drivers/platform/x86/asus-nb-wmi.c b/drivers/platform/x86/asus-nb-wmi.c index c1a6cd66af42..abdaed34c728 100644 --- a/drivers/platform/x86/asus-nb-wmi.c +++ b/drivers/platform/x86/asus-nb-wmi.c @@ -191,6 +191,15 @@ static const struct dmi_system_id asus_quirks[] = { }, { .callback = dmi_matched, + .ident = "ASUSTeK COMPUTER INC. X551CA", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."), + DMI_MATCH(DMI_PRODUCT_NAME, "X551CA"), + }, + .driver_data = &quirk_asus_wapf4, + }, + { + .callback = dmi_matched, .ident = "ASUSTeK COMPUTER INC. X55A", .matches = { DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."), diff --git a/drivers/platform/x86/asus-wmi.c b/drivers/platform/x86/asus-wmi.c index 21fc932da3a1..7543a56e0f45 100644 --- a/drivers/platform/x86/asus-wmi.c +++ b/drivers/platform/x86/asus-wmi.c @@ -1308,8 +1308,7 @@ static int asus_wmi_backlight_init(struct asus_wmi *asus) static void asus_wmi_backlight_exit(struct asus_wmi *asus) { - if (asus->backlight_device) - backlight_device_unregister(asus->backlight_device); + backlight_device_unregister(asus->backlight_device); asus->backlight_device = NULL; } diff --git a/drivers/platform/x86/dell-laptop.c b/drivers/platform/x86/dell-laptop.c index f6a28d7161f5..9411eae39a4e 100644 --- a/drivers/platform/x86/dell-laptop.c +++ b/drivers/platform/x86/dell-laptop.c @@ -2,9 +2,11 @@ * Driver for Dell laptop extras * * Copyright (c) Red Hat <mjg@redhat.com> + * Copyright (c) 2014 Gabriele Mazzotta <gabriele.mzt@gmail.com> + * Copyright (c) 2014 Pali Rohár <pali.rohar@gmail.com> * - * Based on documentation in the libsmbios package, Copyright (C) 2005 Dell - * Inc. + * Based on documentation in the libsmbios package: + * Copyright (C) 2005-2014 Dell Inc. * * 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 @@ -32,6 +34,13 @@ #include "../../firmware/dcdbas.h" #define BRIGHTNESS_TOKEN 0x7d +#define KBD_LED_OFF_TOKEN 0x01E1 +#define KBD_LED_ON_TOKEN 0x01E2 +#define KBD_LED_AUTO_TOKEN 0x01E3 +#define KBD_LED_AUTO_25_TOKEN 0x02EA +#define KBD_LED_AUTO_50_TOKEN 0x02EB +#define KBD_LED_AUTO_75_TOKEN 0x02EC +#define KBD_LED_AUTO_100_TOKEN 0x02F6 /* This structure will be modified by the firmware when we enter * system management mode, hence the volatiles */ @@ -62,6 +71,13 @@ struct calling_interface_structure { struct quirk_entry { u8 touchpad_led; + + int needs_kbd_timeouts; + /* + * Ordered list of timeouts expressed in seconds. + * The list must end with -1 + */ + int kbd_timeouts[]; }; static struct quirk_entry *quirks; @@ -76,6 +92,15 @@ static int __init dmi_matched(const struct dmi_system_id *dmi) return 1; } +/* + * These values come from Windows utility provided by Dell. If any other value + * is used then BIOS silently set timeout to 0 without any error message. + */ +static struct quirk_entry quirk_dell_xps13_9333 = { + .needs_kbd_timeouts = 1, + .kbd_timeouts = { 0, 5, 15, 60, 5 * 60, 15 * 60, -1 }, +}; + static int da_command_address; static int da_command_code; static int da_num_tokens; @@ -267,6 +292,15 @@ static const struct dmi_system_id dell_quirks[] __initconst = { }, .driver_data = &quirk_dell_vostro_v130, }, + { + .callback = dmi_matched, + .ident = "Dell XPS13 9333", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."), + DMI_MATCH(DMI_PRODUCT_NAME, "XPS13 9333"), + }, + .driver_data = &quirk_dell_xps13_9333, + }, { } }; @@ -331,17 +365,29 @@ static void __init find_tokens(const struct dmi_header *dm, void *dummy) } } -static int find_token_location(int tokenid) +static int find_token_id(int tokenid) { int i; + for (i = 0; i < da_num_tokens; i++) { if (da_tokens[i].tokenID == tokenid) - return da_tokens[i].location; + return i; } return -1; } +static int find_token_location(int tokenid) +{ + int id; + + id = find_token_id(tokenid); + if (id == -1) + return -1; + + return da_tokens[id].location; +} + static struct calling_interface_buffer * dell_send_request(struct calling_interface_buffer *buffer, int class, int select) @@ -362,6 +408,20 @@ dell_send_request(struct calling_interface_buffer *buffer, int class, return buffer; } +static inline int dell_smi_error(int value) +{ + switch (value) { + case 0: /* Completed successfully */ + return 0; + case -1: /* Completed with error */ + return -EIO; + case -2: /* Function not supported */ + return -ENXIO; + default: /* Unknown error */ + return -EINVAL; + } +} + /* Derived from information in DellWirelessCtl.cpp: Class 17, select 11 is radio control. It returns an array of 32-bit values. @@ -563,7 +623,7 @@ static bool dell_laptop_i8042_filter(unsigned char data, unsigned char str, { static bool extended; - if (str & 0x20) + if (str & I8042_STR_AUXDATA) return false; if (unlikely(data == 0xe0)) { @@ -716,7 +776,7 @@ static int dell_send_intensity(struct backlight_device *bd) else dell_send_request(buffer, 1, 1); -out: + out: release_buffer(); return ret; } @@ -740,7 +800,7 @@ static int dell_get_intensity(struct backlight_device *bd) ret = buffer->output[1]; -out: + out: release_buffer(); return ret; } @@ -789,6 +849,984 @@ static void touchpad_led_exit(void) led_classdev_unregister(&touchpad_led); } +/* + * Derived from information in smbios-keyboard-ctl: + * + * cbClass 4 + * cbSelect 11 + * Keyboard illumination + * cbArg1 determines the function to be performed + * + * cbArg1 0x0 = Get Feature Information + * cbRES1 Standard return codes (0, -1, -2) + * cbRES2, word0 Bitmap of user-selectable modes + * bit 0 Always off (All systems) + * bit 1 Always on (Travis ATG, Siberia) + * bit 2 Auto: ALS-based On; ALS-based Off (Travis ATG) + * bit 3 Auto: ALS- and input-activity-based On; input-activity based Off + * bit 4 Auto: Input-activity-based On; input-activity based Off + * bit 5 Auto: Input-activity-based On (illumination level 25%); input-activity based Off + * bit 6 Auto: Input-activity-based On (illumination level 50%); input-activity based Off + * bit 7 Auto: Input-activity-based On (illumination level 75%); input-activity based Off + * bit 8 Auto: Input-activity-based On (illumination level 100%); input-activity based Off + * bits 9-15 Reserved for future use + * cbRES2, byte2 Reserved for future use + * cbRES2, byte3 Keyboard illumination type + * 0 Reserved + * 1 Tasklight + * 2 Backlight + * 3-255 Reserved for future use + * cbRES3, byte0 Supported auto keyboard illumination trigger bitmap. + * bit 0 Any keystroke + * bit 1 Touchpad activity + * bit 2 Pointing stick + * bit 3 Any mouse + * bits 4-7 Reserved for future use + * cbRES3, byte1 Supported timeout unit bitmap + * bit 0 Seconds + * bit 1 Minutes + * bit 2 Hours + * bit 3 Days + * bits 4-7 Reserved for future use + * cbRES3, byte2 Number of keyboard light brightness levels + * cbRES4, byte0 Maximum acceptable seconds value (0 if seconds not supported). + * cbRES4, byte1 Maximum acceptable minutes value (0 if minutes not supported). + * cbRES4, byte2 Maximum acceptable hours value (0 if hours not supported). + * cbRES4, byte3 Maximum acceptable days value (0 if days not supported) + * + * cbArg1 0x1 = Get Current State + * cbRES1 Standard return codes (0, -1, -2) + * cbRES2, word0 Bitmap of current mode state + * bit 0 Always off (All systems) + * bit 1 Always on (Travis ATG, Siberia) + * bit 2 Auto: ALS-based On; ALS-based Off (Travis ATG) + * bit 3 Auto: ALS- and input-activity-based On; input-activity based Off + * bit 4 Auto: Input-activity-based On; input-activity based Off + * bit 5 Auto: Input-activity-based On (illumination level 25%); input-activity based Off + * bit 6 Auto: Input-activity-based On (illumination level 50%); input-activity based Off + * bit 7 Auto: Input-activity-based On (illumination level 75%); input-activity based Off + * bit 8 Auto: Input-activity-based On (illumination level 100%); input-activity based Off + * bits 9-15 Reserved for future use + * Note: Only One bit can be set + * cbRES2, byte2 Currently active auto keyboard illumination triggers. + * bit 0 Any keystroke + * bit 1 Touchpad activity + * bit 2 Pointing stick + * bit 3 Any mouse + * bits 4-7 Reserved for future use + * cbRES2, byte3 Current Timeout + * bits 7:6 Timeout units indicator: + * 00b Seconds + * 01b Minutes + * 10b Hours + * 11b Days + * bits 5:0 Timeout value (0-63) in sec/min/hr/day + * NOTE: A value of 0 means always on (no timeout) if any bits of RES3 byte + * are set upon return from the [Get feature information] call. + * cbRES3, byte0 Current setting of ALS value that turns the light on or off. + * cbRES3, byte1 Current ALS reading + * cbRES3, byte2 Current keyboard light level. + * + * cbArg1 0x2 = Set New State + * cbRES1 Standard return codes (0, -1, -2) + * cbArg2, word0 Bitmap of current mode state + * bit 0 Always off (All systems) + * bit 1 Always on (Travis ATG, Siberia) + * bit 2 Auto: ALS-based On; ALS-based Off (Travis ATG) + * bit 3 Auto: ALS- and input-activity-based On; input-activity based Off + * bit 4 Auto: Input-activity-based On; input-activity based Off + * bit 5 Auto: Input-activity-based On (illumination level 25%); input-activity based Off + * bit 6 Auto: Input-activity-based On (illumination level 50%); input-activity based Off + * bit 7 Auto: Input-activity-based On (illumination level 75%); input-activity based Off + * bit 8 Auto: Input-activity-based On (illumination level 100%); input-activity based Off + * bits 9-15 Reserved for future use + * Note: Only One bit can be set + * cbArg2, byte2 Desired auto keyboard illumination triggers. Must remain inactive to allow + * keyboard to turn off automatically. + * bit 0 Any keystroke + * bit 1 Touchpad activity + * bit 2 Pointing stick + * bit 3 Any mouse + * bits 4-7 Reserved for future use + * cbArg2, byte3 Desired Timeout + * bits 7:6 Timeout units indicator: + * 00b Seconds + * 01b Minutes + * 10b Hours + * 11b Days + * bits 5:0 Timeout value (0-63) in sec/min/hr/day + * cbArg3, byte0 Desired setting of ALS value that turns the light on or off. + * cbArg3, byte2 Desired keyboard light level. + */ + + +enum kbd_timeout_unit { + KBD_TIMEOUT_SECONDS = 0, + KBD_TIMEOUT_MINUTES, + KBD_TIMEOUT_HOURS, + KBD_TIMEOUT_DAYS, +}; + +enum kbd_mode_bit { + KBD_MODE_BIT_OFF = 0, + KBD_MODE_BIT_ON, + KBD_MODE_BIT_ALS, + KBD_MODE_BIT_TRIGGER_ALS, + KBD_MODE_BIT_TRIGGER, + KBD_MODE_BIT_TRIGGER_25, + KBD_MODE_BIT_TRIGGER_50, + KBD_MODE_BIT_TRIGGER_75, + KBD_MODE_BIT_TRIGGER_100, +}; + +#define kbd_is_als_mode_bit(bit) \ + ((bit) == KBD_MODE_BIT_ALS || (bit) == KBD_MODE_BIT_TRIGGER_ALS) +#define kbd_is_trigger_mode_bit(bit) \ + ((bit) >= KBD_MODE_BIT_TRIGGER_ALS && (bit) <= KBD_MODE_BIT_TRIGGER_100) +#define kbd_is_level_mode_bit(bit) \ + ((bit) >= KBD_MODE_BIT_TRIGGER_25 && (bit) <= KBD_MODE_BIT_TRIGGER_100) + +struct kbd_info { + u16 modes; + u8 type; + u8 triggers; + u8 levels; + u8 seconds; + u8 minutes; + u8 hours; + u8 days; +}; + +struct kbd_state { + u8 mode_bit; + u8 triggers; + u8 timeout_value; + u8 timeout_unit; + u8 als_setting; + u8 als_value; + u8 level; +}; + +static const int kbd_tokens[] = { + KBD_LED_OFF_TOKEN, + KBD_LED_AUTO_25_TOKEN, + KBD_LED_AUTO_50_TOKEN, + KBD_LED_AUTO_75_TOKEN, + KBD_LED_AUTO_100_TOKEN, + KBD_LED_ON_TOKEN, +}; + +static u16 kbd_token_bits; + +static struct kbd_info kbd_info; +static bool kbd_als_supported; +static bool kbd_triggers_supported; + +static u8 kbd_mode_levels[16]; +static int kbd_mode_levels_count; + +static u8 kbd_previous_level; +static u8 kbd_previous_mode_bit; + +static bool kbd_led_present; + +/* + * NOTE: there are three ways to set the keyboard backlight level. + * First, via kbd_state.mode_bit (assigning KBD_MODE_BIT_TRIGGER_* value). + * Second, via kbd_state.level (assigning numerical value <= kbd_info.levels). + * Third, via SMBIOS tokens (KBD_LED_* in kbd_tokens) + * + * There are laptops which support only one of these methods. If we want to + * support as many machines as possible we need to implement all three methods. + * The first two methods use the kbd_state structure. The third uses SMBIOS + * tokens. If kbd_info.levels == 0, the machine does not support setting the + * keyboard backlight level via kbd_state.level. + */ + +static int kbd_get_info(struct kbd_info *info) +{ + u8 units; + int ret; + + get_buffer(); + + buffer->input[0] = 0x0; + dell_send_request(buffer, 4, 11); + ret = buffer->output[0]; + + if (ret) { + ret = dell_smi_error(ret); + goto out; + } + + info->modes = buffer->output[1] & 0xFFFF; + info->type = (buffer->output[1] >> 24) & 0xFF; + info->triggers = buffer->output[2] & 0xFF; + units = (buffer->output[2] >> 8) & 0xFF; + info->levels = (buffer->output[2] >> 16) & 0xFF; + + if (units & BIT(0)) + info->seconds = (buffer->output[3] >> 0) & 0xFF; + if (units & BIT(1)) + info->minutes = (buffer->output[3] >> 8) & 0xFF; + if (units & BIT(2)) + info->hours = (buffer->output[3] >> 16) & 0xFF; + if (units & BIT(3)) + info->days = (buffer->output[3] >> 24) & 0xFF; + + out: + release_buffer(); + return ret; +} + +static unsigned int kbd_get_max_level(void) +{ + if (kbd_info.levels != 0) + return kbd_info.levels; + if (kbd_mode_levels_count > 0) + return kbd_mode_levels_count - 1; + return 0; +} + +static int kbd_get_level(struct kbd_state *state) +{ + int i; + + if (kbd_info.levels != 0) + return state->level; + + if (kbd_mode_levels_count > 0) { + for (i = 0; i < kbd_mode_levels_count; ++i) + if (kbd_mode_levels[i] == state->mode_bit) + return i; + return 0; + } + + return -EINVAL; +} + +static int kbd_set_level(struct kbd_state *state, u8 level) +{ + if (kbd_info.levels != 0) { + if (level != 0) + kbd_previous_level = level; + if (state->level == level) + return 0; + state->level = level; + if (level != 0 && state->mode_bit == KBD_MODE_BIT_OFF) + state->mode_bit = kbd_previous_mode_bit; + else if (level == 0 && state->mode_bit != KBD_MODE_BIT_OFF) { + kbd_previous_mode_bit = state->mode_bit; + state->mode_bit = KBD_MODE_BIT_OFF; + } + return 0; + } + + if (kbd_mode_levels_count > 0 && level < kbd_mode_levels_count) { + if (level != 0) + kbd_previous_level = level; + state->mode_bit = kbd_mode_levels[level]; + return 0; + } + + return -EINVAL; +} + +static int kbd_get_state(struct kbd_state *state) +{ + int ret; + + get_buffer(); + + buffer->input[0] = 0x1; + dell_send_request(buffer, 4, 11); + ret = buffer->output[0]; + + if (ret) { + ret = dell_smi_error(ret); + goto out; + } + + state->mode_bit = ffs(buffer->output[1] & 0xFFFF); + if (state->mode_bit != 0) + state->mode_bit--; + + state->triggers = (buffer->output[1] >> 16) & 0xFF; + state->timeout_value = (buffer->output[1] >> 24) & 0x3F; + state->timeout_unit = (buffer->output[1] >> 30) & 0x3; + state->als_setting = buffer->output[2] & 0xFF; + state->als_value = (buffer->output[2] >> 8) & 0xFF; + state->level = (buffer->output[2] >> 16) & 0xFF; + + out: + release_buffer(); + return ret; +} + +static int kbd_set_state(struct kbd_state *state) +{ + int ret; + + get_buffer(); + buffer->input[0] = 0x2; + buffer->input[1] = BIT(state->mode_bit) & 0xFFFF; + buffer->input[1] |= (state->triggers & 0xFF) << 16; + buffer->input[1] |= (state->timeout_value & 0x3F) << 24; + buffer->input[1] |= (state->timeout_unit & 0x3) << 30; + buffer->input[2] = state->als_setting & 0xFF; + buffer->input[2] |= (state->level & 0xFF) << 16; + dell_send_request(buffer, 4, 11); + ret = buffer->output[0]; + release_buffer(); + + return dell_smi_error(ret); +} + +static int kbd_set_state_safe(struct kbd_state *state, struct kbd_state *old) +{ + int ret; + + ret = kbd_set_state(state); + if (ret == 0) + return 0; + + /* + * When setting the new state fails,try to restore the previous one. + * This is needed on some machines where BIOS sets a default state when + * setting a new state fails. This default state could be all off. + */ + + if (kbd_set_state(old)) + pr_err("Setting old previous keyboard state failed\n"); + + return ret; +} + +static int kbd_set_token_bit(u8 bit) +{ + int id; + int ret; + + if (bit >= ARRAY_SIZE(kbd_tokens)) + return -EINVAL; + + id = find_token_id(kbd_tokens[bit]); + if (id == -1) + return -EINVAL; + + get_buffer(); + buffer->input[0] = da_tokens[id].location; + buffer->input[1] = da_tokens[id].value; + dell_send_request(buffer, 1, 0); + ret = buffer->output[0]; + release_buffer(); + + return dell_smi_error(ret); +} + +static int kbd_get_token_bit(u8 bit) +{ + int id; + int ret; + int val; + + if (bit >= ARRAY_SIZE(kbd_tokens)) + return -EINVAL; + + id = find_token_id(kbd_tokens[bit]); + if (id == -1) + return -EINVAL; + + get_buffer(); + buffer->input[0] = da_tokens[id].location; + dell_send_request(buffer, 0, 0); + ret = buffer->output[0]; + val = buffer->output[1]; + release_buffer(); + + if (ret) + return dell_smi_error(ret); + + return (val == da_tokens[id].value); +} + +static int kbd_get_first_active_token_bit(void) +{ + int i; + int ret; + + for (i = 0; i < ARRAY_SIZE(kbd_tokens); ++i) { + ret = kbd_get_token_bit(i); + if (ret == 1) + return i; + } + + return ret; +} + +static int kbd_get_valid_token_counts(void) +{ + return hweight16(kbd_token_bits); +} + +static inline int kbd_init_info(void) +{ + struct kbd_state state; + int ret; + int i; + + ret = kbd_get_info(&kbd_info); + if (ret) + return ret; + + kbd_get_state(&state); + + /* NOTE: timeout value is stored in 6 bits so max value is 63 */ + if (kbd_info.seconds > 63) + kbd_info.seconds = 63; + if (kbd_info.minutes > 63) + kbd_info.minutes = 63; + if (kbd_info.hours > 63) + kbd_info.hours = 63; + if (kbd_info.days > 63) + kbd_info.days = 63; + + /* NOTE: On tested machines ON mode did not work and caused + * problems (turned backlight off) so do not use it + */ + kbd_info.modes &= ~BIT(KBD_MODE_BIT_ON); + + kbd_previous_level = kbd_get_level(&state); + kbd_previous_mode_bit = state.mode_bit; + + if (kbd_previous_level == 0 && kbd_get_max_level() != 0) + kbd_previous_level = 1; + + if (kbd_previous_mode_bit == KBD_MODE_BIT_OFF) { + kbd_previous_mode_bit = + ffs(kbd_info.modes & ~BIT(KBD_MODE_BIT_OFF)); + if (kbd_previous_mode_bit != 0) + kbd_previous_mode_bit--; + } + + if (kbd_info.modes & (BIT(KBD_MODE_BIT_ALS) | + BIT(KBD_MODE_BIT_TRIGGER_ALS))) + kbd_als_supported = true; + + if (kbd_info.modes & ( + BIT(KBD_MODE_BIT_TRIGGER_ALS) | BIT(KBD_MODE_BIT_TRIGGER) | + BIT(KBD_MODE_BIT_TRIGGER_25) | BIT(KBD_MODE_BIT_TRIGGER_50) | + BIT(KBD_MODE_BIT_TRIGGER_75) | BIT(KBD_MODE_BIT_TRIGGER_100) + )) + kbd_triggers_supported = true; + + /* kbd_mode_levels[0] is reserved, see below */ + for (i = 0; i < 16; ++i) + if (kbd_is_level_mode_bit(i) && (BIT(i) & kbd_info.modes)) + kbd_mode_levels[1 + kbd_mode_levels_count++] = i; + + /* + * Find the first supported mode and assign to kbd_mode_levels[0]. + * This should be 0 (off), but we cannot depend on the BIOS to + * support 0. + */ + if (kbd_mode_levels_count > 0) { + for (i = 0; i < 16; ++i) { + if (BIT(i) & kbd_info.modes) { + kbd_mode_levels[0] = i; + break; + } + } + kbd_mode_levels_count++; + } + + return 0; + +} + +static inline void kbd_init_tokens(void) +{ + int i; + + for (i = 0; i < ARRAY_SIZE(kbd_tokens); ++i) + if (find_token_id(kbd_tokens[i]) != -1) + kbd_token_bits |= BIT(i); +} + +static void kbd_init(void) +{ + int ret; + + ret = kbd_init_info(); + kbd_init_tokens(); + + if (kbd_token_bits != 0 || ret == 0) + kbd_led_present = true; +} + +static ssize_t kbd_led_timeout_store(struct device *dev, + struct device_attribute *attr, + const char *buf, size_t count) +{ + struct kbd_state new_state; + struct kbd_state state; + bool convert; + int value; + int ret; + char ch; + u8 unit; + int i; + + ret = sscanf(buf, "%d %c", &value, &ch); + if (ret < 1) + return -EINVAL; + else if (ret == 1) + ch = 's'; + + if (value < 0) + return -EINVAL; + + convert = false; + + switch (ch) { + case 's': + if (value > kbd_info.seconds) + convert = true; + unit = KBD_TIMEOUT_SECONDS; + break; + case 'm': + if (value > kbd_info.minutes) + convert = true; + unit = KBD_TIMEOUT_MINUTES; + break; + case 'h': + if (value > kbd_info.hours) + convert = true; + unit = KBD_TIMEOUT_HOURS; + break; + case 'd': + if (value > kbd_info.days) + convert = true; + unit = KBD_TIMEOUT_DAYS; + break; + default: + return -EINVAL; + } + + if (quirks && quirks->needs_kbd_timeouts) + convert = true; + + if (convert) { + /* Convert value from current units to seconds */ + switch (unit) { + case KBD_TIMEOUT_DAYS: + value *= 24; + case KBD_TIMEOUT_HOURS: + value *= 60; + case KBD_TIMEOUT_MINUTES: + value *= 60; + unit = KBD_TIMEOUT_SECONDS; + } + + if (quirks && quirks->needs_kbd_timeouts) { + for (i = 0; quirks->kbd_timeouts[i] != -1; i++) { + if (value <= quirks->kbd_timeouts[i]) { + value = quirks->kbd_timeouts[i]; + break; + } + } + } + + if (value <= kbd_info.seconds && kbd_info.seconds) { + unit = KBD_TIMEOUT_SECONDS; + } else if (value / 60 <= kbd_info.minutes && kbd_info.minutes) { + value /= 60; + unit = KBD_TIMEOUT_MINUTES; + } else if (value / (60 * 60) <= kbd_info.hours && kbd_info.hours) { + value /= (60 * 60); + unit = KBD_TIMEOUT_HOURS; + } else if (value / (60 * 60 * 24) <= kbd_info.days && kbd_info.days) { + value /= (60 * 60 * 24); + unit = KBD_TIMEOUT_DAYS; + } else { + return -EINVAL; + } + } + + ret = kbd_get_state(&state); + if (ret) + return ret; + + new_state = state; + new_state.timeout_value = value; + new_state.timeout_unit = unit; + + ret = kbd_set_state_safe(&new_state, &state); + if (ret) + return ret; + + return count; +} + +static ssize_t kbd_led_timeout_show(struct device *dev, + struct device_attribute *attr, char *buf) +{ + struct kbd_state state; + int ret; + int len; + + ret = kbd_get_state(&state); + if (ret) + return ret; + + len = sprintf(buf, "%d", state.timeout_value); + + switch (state.timeout_unit) { + case KBD_TIMEOUT_SECONDS: + return len + sprintf(buf+len, "s\n"); + case KBD_TIMEOUT_MINUTES: + return len + sprintf(buf+len, "m\n"); + case KBD_TIMEOUT_HOURS: + return len + sprintf(buf+len, "h\n"); + case KBD_TIMEOUT_DAYS: + return len + sprintf(buf+len, "d\n"); + default: + return -EINVAL; + } + + return len; +} + +static DEVICE_ATTR(stop_timeout, S_IRUGO | S_IWUSR, + kbd_led_timeout_show, kbd_led_timeout_store); + +static const char * const kbd_led_triggers[] = { + "keyboard", + "touchpad", + /*"trackstick"*/ NULL, /* NOTE: trackstick is just alias for touchpad */ + "mouse", +}; + +static ssize_t kbd_led_triggers_store(struct device *dev, + struct device_attribute *attr, + const char *buf, size_t count) +{ + struct kbd_state new_state; + struct kbd_state state; + bool triggers_enabled = false; + bool als_enabled = false; + bool disable_als = false; + bool enable_als = false; + int trigger_bit = -1; + char trigger[21]; + int i, ret; + + ret = sscanf(buf, "%20s", trigger); + if (ret != 1) + return -EINVAL; + + if (trigger[0] != '+' && trigger[0] != '-') + return -EINVAL; + + ret = kbd_get_state(&state); + if (ret) + return ret; + + if (kbd_als_supported) + als_enabled = kbd_is_als_mode_bit(state.mode_bit); + + if (kbd_triggers_supported) + triggers_enabled = kbd_is_trigger_mode_bit(state.mode_bit); + + if (kbd_als_supported) { + if (strcmp(trigger, "+als") == 0) { + if (als_enabled) + return count; + enable_als = true; + } else if (strcmp(trigger, "-als") == 0) { + if (!als_enabled) + return count; + disable_als = true; + } + } + + if (enable_als || disable_als) { + new_state = state; + if (enable_als) { + if (triggers_enabled) + new_state.mode_bit = KBD_MODE_BIT_TRIGGER_ALS; + else + new_state.mode_bit = KBD_MODE_BIT_ALS; + } else { + if (triggers_enabled) { + new_state.mode_bit = KBD_MODE_BIT_TRIGGER; + kbd_set_level(&new_state, kbd_previous_level); + } else { + new_state.mode_bit = KBD_MODE_BIT_ON; + } + } + if (!(kbd_info.modes & BIT(new_state.mode_bit))) + return -EINVAL; + ret = kbd_set_state_safe(&new_state, &state); + if (ret) + return ret; + kbd_previous_mode_bit = new_state.mode_bit; + return count; + } + + if (kbd_triggers_supported) { + for (i = 0; i < ARRAY_SIZE(kbd_led_triggers); ++i) { + if (!(kbd_info.triggers & BIT(i))) + continue; + if (!kbd_led_triggers[i]) + continue; + if (strcmp(trigger+1, kbd_led_triggers[i]) != 0) + continue; + if (trigger[0] == '+' && + triggers_enabled && (state.triggers & BIT(i))) + return count; + if (trigger[0] == '-' && + (!triggers_enabled || !(state.triggers & BIT(i)))) + return count; + trigger_bit = i; + break; + } + } + + if (trigger_bit != -1) { + new_state = state; + if (trigger[0] == '+') + new_state.triggers |= BIT(trigger_bit); + else { + new_state.triggers &= ~BIT(trigger_bit); + /* NOTE: trackstick bit (2) must be disabled when + * disabling touchpad bit (1), otherwise touchpad + * bit (1) will not be disabled */ + if (trigger_bit == 1) + new_state.triggers &= ~BIT(2); + } + if ((kbd_info.triggers & new_state.triggers) != + new_state.triggers) + return -EINVAL; + if (new_state.triggers && !triggers_enabled) { + if (als_enabled) + new_state.mode_bit = KBD_MODE_BIT_TRIGGER_ALS; + else { + new_state.mode_bit = KBD_MODE_BIT_TRIGGER; + kbd_set_level(&new_state, kbd_previous_level); + } + } else if (new_state.triggers == 0) { + if (als_enabled) + new_state.mode_bit = KBD_MODE_BIT_ALS; + else + kbd_set_level(&new_state, 0); + } + if (!(kbd_info.modes & BIT(new_state.mode_bit))) + return -EINVAL; + ret = kbd_set_state_safe(&new_state, &state); + if (ret) + return ret; + if (new_state.mode_bit != KBD_MODE_BIT_OFF) + kbd_previous_mode_bit = new_state.mode_bit; + return count; + } + + return -EINVAL; +} + +static ssize_t kbd_led_triggers_show(struct device *dev, + struct device_attribute *attr, char *buf) +{ + struct kbd_state state; + bool triggers_enabled; + int level, i, ret; + int len = 0; + + ret = kbd_get_state(&state); + if (ret) + return ret; + + len = 0; + + if (kbd_triggers_supported) { + triggers_enabled = kbd_is_trigger_mode_bit(state.mode_bit); + level = kbd_get_level(&state); + for (i = 0; i < ARRAY_SIZE(kbd_led_triggers); ++i) { + if (!(kbd_info.triggers & BIT(i))) + continue; + if (!kbd_led_triggers[i]) + continue; + if ((triggers_enabled || level <= 0) && + (state.triggers & BIT(i))) + buf[len++] = '+'; + else + buf[len++] = '-'; + len += sprintf(buf+len, "%s ", kbd_led_triggers[i]); + } + } + + if (kbd_als_supported) { + if (kbd_is_als_mode_bit(state.mode_bit)) + len += sprintf(buf+len, "+als "); + else + len += sprintf(buf+len, "-als "); + } + + if (len) + buf[len - 1] = '\n'; + + return len; +} + +static DEVICE_ATTR(start_triggers, S_IRUGO | S_IWUSR, + kbd_led_triggers_show, kbd_led_triggers_store); + +static ssize_t kbd_led_als_store(struct device *dev, + struct device_attribute *attr, + const char *buf, size_t count) +{ + struct kbd_state state; + struct kbd_state new_state; + u8 setting; + int ret; + + ret = kstrtou8(buf, 10, &setting); + if (ret) + return ret; + + ret = kbd_get_state(&state); + if (ret) + return ret; + + new_state = state; + new_state.als_setting = setting; + + ret = kbd_set_state_safe(&new_state, &state); + if (ret) + return ret; + + return count; +} + +static ssize_t kbd_led_als_show(struct device *dev, + struct device_attribute *attr, char *buf) +{ + struct kbd_state state; + int ret; + + ret = kbd_get_state(&state); + if (ret) + return ret; + + return sprintf(buf, "%d\n", state.als_setting); +} + +static DEVICE_ATTR(als_setting, S_IRUGO | S_IWUSR, + kbd_led_als_show, kbd_led_als_store); + +static struct attribute *kbd_led_attrs[] = { + &dev_attr_stop_timeout.attr, + &dev_attr_start_triggers.attr, + &dev_attr_als_setting.attr, + NULL, +}; +ATTRIBUTE_GROUPS(kbd_led); + +static enum led_brightness kbd_led_level_get(struct led_classdev *led_cdev) +{ + int ret; + u16 num; + struct kbd_state state; + + if (kbd_get_max_level()) { + ret = kbd_get_state(&state); + if (ret) + return 0; + ret = kbd_get_level(&state); + if (ret < 0) + return 0; + return ret; + } + + if (kbd_get_valid_token_counts()) { + ret = kbd_get_first_active_token_bit(); + if (ret < 0) + return 0; + for (num = kbd_token_bits; num != 0 && ret > 0; --ret) + num &= num - 1; /* clear the first bit set */ + if (num == 0) + return 0; + return ffs(num) - 1; + } + + pr_warn("Keyboard brightness level control not supported\n"); + return 0; +} + +static void kbd_led_level_set(struct led_classdev *led_cdev, + enum led_brightness value) +{ + struct kbd_state state; + struct kbd_state new_state; + u16 num; + + if (kbd_get_max_level()) { + if (kbd_get_state(&state)) + return; + new_state = state; + if (kbd_set_level(&new_state, value)) + return; + kbd_set_state_safe(&new_state, &state); + return; + } + + if (kbd_get_valid_token_counts()) { + for (num = kbd_token_bits; num != 0 && value > 0; --value) + num &= num - 1; /* clear the first bit set */ + if (num == 0) + return; + kbd_set_token_bit(ffs(num) - 1); + return; + } + + pr_warn("Keyboard brightness level control not supported\n"); +} + +static struct led_classdev kbd_led = { + .name = "dell::kbd_backlight", + .brightness_set = kbd_led_level_set, + .brightness_get = kbd_led_level_get, + .groups = kbd_led_groups, +}; + +static int __init kbd_led_init(struct device *dev) +{ + kbd_init(); + if (!kbd_led_present) + return -ENODEV; + kbd_led.max_brightness = kbd_get_max_level(); + if (!kbd_led.max_brightness) { + kbd_led.max_brightness = kbd_get_valid_token_counts(); + if (kbd_led.max_brightness) + kbd_led.max_brightness--; + } + return led_classdev_register(dev, &kbd_led); +} + +static void brightness_set_exit(struct led_classdev *led_cdev, + enum led_brightness value) +{ + /* Don't change backlight level on exit */ +}; + +static void kbd_led_exit(void) +{ + if (!kbd_led_present) + return; + kbd_led.brightness_set = brightness_set_exit; + led_classdev_unregister(&kbd_led); +} + static int __init dell_init(void) { int max_intensity = 0; @@ -841,6 +1879,8 @@ static int __init dell_init(void) if (quirks && quirks->touchpad_led) touchpad_led_init(&platform_device->dev); + kbd_led_init(&platform_device->dev); + dell_laptop_dir = debugfs_create_dir("dell_laptop", NULL); if (dell_laptop_dir != NULL) debugfs_create_file("rfkill", 0444, dell_laptop_dir, NULL, @@ -908,6 +1948,7 @@ static void __exit dell_exit(void) debugfs_remove_recursive(dell_laptop_dir); if (quirks && quirks->touchpad_led) touchpad_led_exit(); + kbd_led_exit(); i8042_remove_filter(dell_laptop_i8042_filter); cancel_delayed_work_sync(&dell_rfkill_work); backlight_device_unregister(dell_backlight_device); @@ -924,5 +1965,7 @@ module_init(dell_init); module_exit(dell_exit); MODULE_AUTHOR("Matthew Garrett <mjg@redhat.com>"); +MODULE_AUTHOR("Gabriele Mazzotta <gabriele.mzt@gmail.com>"); +MODULE_AUTHOR("Pali Rohár <pali.rohar@gmail.com>"); MODULE_DESCRIPTION("Dell laptop driver"); MODULE_LICENSE("GPL"); diff --git a/drivers/platform/x86/dell-smo8800.c b/drivers/platform/x86/dell-smo8800.c index a653716055d1..0aec4fd4c48e 100644 --- a/drivers/platform/x86/dell-smo8800.c +++ b/drivers/platform/x86/dell-smo8800.c @@ -1,5 +1,5 @@ /* - * dell-smo8800.c - Dell Latitude ACPI SMO8800/SMO8810 freefall sensor driver + * dell-smo8800.c - Dell Latitude ACPI SMO88XX freefall sensor driver * * Copyright (C) 2012 Sonal Santan <sonal.santan@gmail.com> * Copyright (C) 2014 Pali Rohár <pali.rohar@gmail.com> @@ -209,7 +209,13 @@ static int smo8800_remove(struct acpi_device *device) static const struct acpi_device_id smo8800_ids[] = { { "SMO8800", 0 }, + { "SMO8801", 0 }, { "SMO8810", 0 }, + { "SMO8811", 0 }, + { "SMO8820", 0 }, + { "SMO8821", 0 }, + { "SMO8830", 0 }, + { "SMO8831", 0 }, { "", 0 }, }; @@ -228,6 +234,6 @@ static struct acpi_driver smo8800_driver = { module_acpi_driver(smo8800_driver); -MODULE_DESCRIPTION("Dell Latitude freefall driver (ACPI SMO8800/SMO8810)"); +MODULE_DESCRIPTION("Dell Latitude freefall driver (ACPI SMO88XX)"); MODULE_LICENSE("GPL"); MODULE_AUTHOR("Sonal Santan, Pali Rohár"); diff --git a/drivers/platform/x86/dell-wmi.c b/drivers/platform/x86/dell-wmi.c index 25721bf20092..6512a06bc053 100644 --- a/drivers/platform/x86/dell-wmi.c +++ b/drivers/platform/x86/dell-wmi.c @@ -65,10 +65,8 @@ static const struct key_entry dell_wmi_legacy_keymap[] __initconst = { /* Battery health status button */ { KE_KEY, 0xe007, { KEY_BATTERY } }, - /* This is actually for all radios. Although physically a - * switch, the notification does not provide an indication of - * state and so it should be reported as a key */ - { KE_KEY, 0xe008, { KEY_WLAN } }, + /* Radio devices state change */ + { KE_IGNORE, 0xe008, { KEY_RFKILL } }, /* The next device is at offset 6, the active devices are at offset 8 and the attached devices at offset 10 */ @@ -145,57 +143,154 @@ static const u16 bios_to_linux_keycode[256] __initconst = { static struct input_dev *dell_wmi_input_dev; +static void dell_wmi_process_key(int reported_key) +{ + const struct key_entry *key; + + key = sparse_keymap_entry_from_scancode(dell_wmi_input_dev, + reported_key); + if (!key) { + pr_info("Unknown key %x pressed\n", reported_key); + return; + } + + pr_debug("Key %x pressed\n", reported_key); + + /* Don't report brightness notifications that will also come via ACPI */ + if ((key->keycode == KEY_BRIGHTNESSUP || + key->keycode == KEY_BRIGHTNESSDOWN) && acpi_video) + return; + + sparse_keymap_report_entry(dell_wmi_input_dev, key, 1, true); +} + static void dell_wmi_notify(u32 value, void *context) { struct acpi_buffer response = { ACPI_ALLOCATE_BUFFER, NULL }; union acpi_object *obj; acpi_status status; + acpi_size buffer_size; + u16 *buffer_entry, *buffer_end; + int len, i; status = wmi_get_event_data(value, &response); if (status != AE_OK) { - pr_info("bad event status 0x%x\n", status); + pr_warn("bad event status 0x%x\n", status); return; } obj = (union acpi_object *)response.pointer; + if (!obj) { + pr_warn("no response\n"); + return; + } - if (obj && obj->type == ACPI_TYPE_BUFFER) { - const struct key_entry *key; - int reported_key; - u16 *buffer_entry = (u16 *)obj->buffer.pointer; - int buffer_size = obj->buffer.length/2; - - if (buffer_size >= 2 && dell_new_hk_type && buffer_entry[1] != 0x10) { - pr_info("Received unknown WMI event (0x%x)\n", - buffer_entry[1]); - kfree(obj); - return; - } + if (obj->type != ACPI_TYPE_BUFFER) { + pr_warn("bad response type %x\n", obj->type); + kfree(obj); + return; + } - if (buffer_size >= 3 && (dell_new_hk_type || buffer_entry[1] == 0x0)) - reported_key = (int)buffer_entry[2]; + pr_debug("Received WMI event (%*ph)\n", + obj->buffer.length, obj->buffer.pointer); + + buffer_entry = (u16 *)obj->buffer.pointer; + buffer_size = obj->buffer.length/2; + + if (!dell_new_hk_type) { + if (buffer_size >= 3 && buffer_entry[1] == 0x0) + dell_wmi_process_key(buffer_entry[2]); else if (buffer_size >= 2) - reported_key = (int)buffer_entry[1] & 0xffff; - else { + dell_wmi_process_key(buffer_entry[1]); + else pr_info("Received unknown WMI event\n"); - kfree(obj); - return; + kfree(obj); + return; + } + + buffer_end = buffer_entry + buffer_size; + + while (buffer_entry < buffer_end) { + + len = buffer_entry[0]; + if (len == 0) + break; + + len++; + + if (buffer_entry + len > buffer_end) { + pr_warn("Invalid length of WMI event\n"); + break; } - key = sparse_keymap_entry_from_scancode(dell_wmi_input_dev, - reported_key); - if (!key) { - pr_info("Unknown key %x pressed\n", reported_key); - } else if ((key->keycode == KEY_BRIGHTNESSUP || - key->keycode == KEY_BRIGHTNESSDOWN) && acpi_video) { - /* Don't report brightness notifications that will also - * come via ACPI */ - ; - } else { - sparse_keymap_report_entry(dell_wmi_input_dev, key, - 1, true); + pr_debug("Process buffer (%*ph)\n", len*2, buffer_entry); + + switch (buffer_entry[1]) { + case 0x00: + for (i = 2; i < len; ++i) { + switch (buffer_entry[i]) { + case 0xe043: + /* NIC Link is Up */ + pr_debug("NIC Link is Up\n"); + break; + case 0xe044: + /* NIC Link is Down */ + pr_debug("NIC Link is Down\n"); + break; + case 0xe045: + /* Unknown event but defined in DSDT */ + default: + /* Unknown event */ + pr_info("Unknown WMI event type 0x00: " + "0x%x\n", (int)buffer_entry[i]); + break; + } + } + break; + case 0x10: + /* Keys pressed */ + for (i = 2; i < len; ++i) + dell_wmi_process_key(buffer_entry[i]); + break; + case 0x11: + for (i = 2; i < len; ++i) { + switch (buffer_entry[i]) { + case 0xfff0: + /* Battery unplugged */ + pr_debug("Battery unplugged\n"); + break; + case 0xfff1: + /* Battery inserted */ + pr_debug("Battery inserted\n"); + break; + case 0x01e1: + case 0x02ea: + case 0x02eb: + case 0x02ec: + case 0x02f6: + /* Keyboard backlight level changed */ + pr_debug("Keyboard backlight level " + "changed\n"); + break; + default: + /* Unknown event */ + pr_info("Unknown WMI event type 0x11: " + "0x%x\n", (int)buffer_entry[i]); + break; + } + } + break; + default: + /* Unknown event */ + pr_info("Unknown WMI event type 0x%x\n", + (int)buffer_entry[1]); + break; } + + buffer_entry += len; + } + kfree(obj); } @@ -213,11 +308,16 @@ static const struct key_entry * __init dell_wmi_prepare_new_keymap(void) for (i = 0; i < hotkey_num; i++) { const struct dell_bios_keymap_entry *bios_entry = &dell_bios_hotkey_table->keymap[i]; - keymap[i].type = KE_KEY; - keymap[i].code = bios_entry->scancode; - keymap[i].keycode = bios_entry->keycode < 256 ? + u16 keycode = bios_entry->keycode < 256 ? bios_to_linux_keycode[bios_entry->keycode] : KEY_RESERVED; + + if (keycode == KEY_KBDILLUMTOGGLE) + keymap[i].type = KE_IGNORE; + else + keymap[i].type = KE_KEY; + keymap[i].code = bios_entry->scancode; + keymap[i].keycode = keycode; } keymap[hotkey_num].type = KE_END; diff --git a/drivers/platform/x86/eeepc-laptop.c b/drivers/platform/x86/eeepc-laptop.c index 5a54d35a61de..844c2096bde9 100644 --- a/drivers/platform/x86/eeepc-laptop.c +++ b/drivers/platform/x86/eeepc-laptop.c @@ -417,8 +417,7 @@ static ssize_t cpufv_disabled_store(struct device *dev, switch (value) { case 0: if (eeepc->cpufv_disabled) - pr_warn("cpufv enabled (not officially supported " - "on this model)\n"); + pr_warn("cpufv enabled (not officially supported on this model)\n"); eeepc->cpufv_disabled = false; return count; case 1: @@ -580,59 +579,58 @@ static void eeepc_rfkill_hotplug(struct eeepc_laptop *eeepc, acpi_handle handle) mutex_lock(&eeepc->hotplug_lock); pci_lock_rescan_remove(); - if (eeepc->hotplug_slot) { - port = acpi_get_pci_dev(handle); - if (!port) { - pr_warning("Unable to find port\n"); - goto out_unlock; - } + if (!eeepc->hotplug_slot) + goto out_unlock; - bus = port->subordinate; + port = acpi_get_pci_dev(handle); + if (!port) { + pr_warning("Unable to find port\n"); + goto out_unlock; + } - if (!bus) { - pr_warn("Unable to find PCI bus 1?\n"); - goto out_put_dev; - } + bus = port->subordinate; - if (pci_bus_read_config_dword(bus, 0, PCI_VENDOR_ID, &l)) { - pr_err("Unable to read PCI config space?\n"); - goto out_put_dev; - } + if (!bus) { + pr_warn("Unable to find PCI bus 1?\n"); + goto out_put_dev; + } + + if (pci_bus_read_config_dword(bus, 0, PCI_VENDOR_ID, &l)) { + pr_err("Unable to read PCI config space?\n"); + goto out_put_dev; + } - absent = (l == 0xffffffff); + absent = (l == 0xffffffff); - if (blocked != absent) { - pr_warn("BIOS says wireless lan is %s, " - "but the pci device is %s\n", - blocked ? "blocked" : "unblocked", - absent ? "absent" : "present"); - pr_warn("skipped wireless hotplug as probably " - "inappropriate for this model\n"); + if (blocked != absent) { + pr_warn("BIOS says wireless lan is %s, but the pci device is %s\n", + blocked ? "blocked" : "unblocked", + absent ? "absent" : "present"); + pr_warn("skipped wireless hotplug as probably inappropriate for this model\n"); + goto out_put_dev; + } + + if (!blocked) { + dev = pci_get_slot(bus, 0); + if (dev) { + /* Device already present */ + pci_dev_put(dev); goto out_put_dev; } - - if (!blocked) { - dev = pci_get_slot(bus, 0); - if (dev) { - /* Device already present */ - pci_dev_put(dev); - goto out_put_dev; - } - dev = pci_scan_single_device(bus, 0); - if (dev) { - pci_bus_assign_resources(bus); - pci_bus_add_device(dev); - } - } else { - dev = pci_get_slot(bus, 0); - if (dev) { - pci_stop_and_remove_bus_device(dev); - pci_dev_put(dev); - } + dev = pci_scan_single_device(bus, 0); + if (dev) { + pci_bus_assign_resources(bus); + pci_bus_add_device(dev); + } + } else { + dev = pci_get_slot(bus, 0); + if (dev) { + pci_stop_and_remove_bus_device(dev); + pci_dev_put(dev); } -out_put_dev: - pci_dev_put(port); } +out_put_dev: + pci_dev_put(port); out_unlock: pci_unlock_rescan_remove(); @@ -821,11 +819,15 @@ static int eeepc_new_rfkill(struct eeepc_laptop *eeepc, return 0; } +static char EEEPC_RFKILL_NODE_1[] = "\\_SB.PCI0.P0P5"; +static char EEEPC_RFKILL_NODE_2[] = "\\_SB.PCI0.P0P6"; +static char EEEPC_RFKILL_NODE_3[] = "\\_SB.PCI0.P0P7"; + static void eeepc_rfkill_exit(struct eeepc_laptop *eeepc) { - eeepc_unregister_rfkill_notifier(eeepc, "\\_SB.PCI0.P0P5"); - eeepc_unregister_rfkill_notifier(eeepc, "\\_SB.PCI0.P0P6"); - eeepc_unregister_rfkill_notifier(eeepc, "\\_SB.PCI0.P0P7"); + eeepc_unregister_rfkill_notifier(eeepc, EEEPC_RFKILL_NODE_1); + eeepc_unregister_rfkill_notifier(eeepc, EEEPC_RFKILL_NODE_2); + eeepc_unregister_rfkill_notifier(eeepc, EEEPC_RFKILL_NODE_3); if (eeepc->wlan_rfkill) { rfkill_unregister(eeepc->wlan_rfkill); rfkill_destroy(eeepc->wlan_rfkill); @@ -897,9 +899,9 @@ static int eeepc_rfkill_init(struct eeepc_laptop *eeepc) if (result == -EBUSY) result = 0; - eeepc_register_rfkill_notifier(eeepc, "\\_SB.PCI0.P0P5"); - eeepc_register_rfkill_notifier(eeepc, "\\_SB.PCI0.P0P6"); - eeepc_register_rfkill_notifier(eeepc, "\\_SB.PCI0.P0P7"); + eeepc_register_rfkill_notifier(eeepc, EEEPC_RFKILL_NODE_1); + eeepc_register_rfkill_notifier(eeepc, EEEPC_RFKILL_NODE_2); + eeepc_register_rfkill_notifier(eeepc, EEEPC_RFKILL_NODE_3); exit: if (result && result != -ENODEV) @@ -915,7 +917,7 @@ static int eeepc_hotk_thaw(struct device *device) struct eeepc_laptop *eeepc = dev_get_drvdata(device); if (eeepc->wlan_rfkill) { - bool wlan; + int wlan; /* * Work around bios bug - acpi _PTS turns off the wireless led @@ -923,7 +925,8 @@ static int eeepc_hotk_thaw(struct device *device) * we should kick it ourselves in case hibernation is aborted. */ wlan = get_acpi(eeepc, CM_ASL_WLAN); - set_acpi(eeepc, CM_ASL_WLAN, wlan); + if (wlan >= 0) + set_acpi(eeepc, CM_ASL_WLAN, wlan); } return 0; @@ -935,9 +938,9 @@ static int eeepc_hotk_restore(struct device *device) /* Refresh both wlan rfkill state and pci hotplug */ if (eeepc->wlan_rfkill) { - eeepc_rfkill_hotplug_update(eeepc, "\\_SB.PCI0.P0P5"); - eeepc_rfkill_hotplug_update(eeepc, "\\_SB.PCI0.P0P6"); - eeepc_rfkill_hotplug_update(eeepc, "\\_SB.PCI0.P0P7"); + eeepc_rfkill_hotplug_update(eeepc, EEEPC_RFKILL_NODE_1); + eeepc_rfkill_hotplug_update(eeepc, EEEPC_RFKILL_NODE_2); + eeepc_rfkill_hotplug_update(eeepc, EEEPC_RFKILL_NODE_3); } if (eeepc->bluetooth_rfkill) @@ -977,18 +980,28 @@ static struct platform_driver platform_driver = { #define EEEPC_EC_SFB0 0xD0 #define EEEPC_EC_FAN_CTRL (EEEPC_EC_SFB0 + 3) /* Byte containing SF25 */ +static inline int eeepc_pwm_to_lmsensors(int value) +{ + return value * 255 / 100; +} + +static inline int eeepc_lmsensors_to_pwm(int value) +{ + value = clamp_val(value, 0, 255); + return value * 100 / 255; +} + static int eeepc_get_fan_pwm(void) { u8 value = 0; ec_read(EEEPC_EC_FAN_PWM, &value); - return value * 255 / 100; + return eeepc_pwm_to_lmsensors(value); } static void eeepc_set_fan_pwm(int value) { - value = clamp_val(value, 0, 255); - value = value * 100 / 255; + value = eeepc_lmsensors_to_pwm(value); ec_write(EEEPC_EC_FAN_PWM, value); } @@ -1002,15 +1015,19 @@ static int eeepc_get_fan_rpm(void) return high << 8 | low; } +#define EEEPC_EC_FAN_CTRL_BIT 0x02 +#define EEEPC_FAN_CTRL_MANUAL 1 +#define EEEPC_FAN_CTRL_AUTO 2 + static int eeepc_get_fan_ctrl(void) { u8 value = 0; ec_read(EEEPC_EC_FAN_CTRL, &value); - if (value & 0x02) - return 1; /* manual */ + if (value & EEEPC_EC_FAN_CTRL_BIT) + return EEEPC_FAN_CTRL_MANUAL; else - return 2; /* automatic */ + return EEEPC_FAN_CTRL_AUTO; } static void eeepc_set_fan_ctrl(int manual) @@ -1018,10 +1035,10 @@ static void eeepc_set_fan_ctrl(int manual) u8 value = 0; ec_read(EEEPC_EC_FAN_CTRL, &value); - if (manual == 1) - value |= 0x02; + if (manual == EEEPC_FAN_CTRL_MANUAL) + value |= EEEPC_EC_FAN_CTRL_BIT; else - value &= ~0x02; + value &= ~EEEPC_EC_FAN_CTRL_BIT; ec_write(EEEPC_EC_FAN_CTRL, value); } @@ -1156,8 +1173,7 @@ static int eeepc_backlight_init(struct eeepc_laptop *eeepc) static void eeepc_backlight_exit(struct eeepc_laptop *eeepc) { - if (eeepc->backlight_device) - backlight_device_unregister(eeepc->backlight_device); + backlight_device_unregister(eeepc->backlight_device); eeepc->backlight_device = NULL; } @@ -1216,7 +1232,7 @@ static void eeepc_input_exit(struct eeepc_laptop *eeepc) static void eeepc_input_notify(struct eeepc_laptop *eeepc, int event) { if (!eeepc->inputdev) - return ; + return; if (!sparse_keymap_report_event(eeepc->inputdev, event, 1, true)) pr_info("Unknown key %x pressed\n", event); } @@ -1224,6 +1240,7 @@ static void eeepc_input_notify(struct eeepc_laptop *eeepc, int event) static void eeepc_acpi_notify(struct acpi_device *device, u32 event) { struct eeepc_laptop *eeepc = acpi_driver_data(device); + int old_brightness, new_brightness; u16 count; if (event > ACPI_MAX_SYS_NOTIFY) @@ -1234,34 +1251,32 @@ static void eeepc_acpi_notify(struct acpi_device *device, u32 event) count); /* Brightness events are special */ - if (event >= NOTIFY_BRN_MIN && event <= NOTIFY_BRN_MAX) { - - /* Ignore them completely if the acpi video driver is used */ - if (eeepc->backlight_device != NULL) { - int old_brightness, new_brightness; - - /* Update the backlight device. */ - old_brightness = eeepc_backlight_notify(eeepc); - - /* Convert event to keypress (obsolescent hack) */ - new_brightness = event - NOTIFY_BRN_MIN; - - if (new_brightness < old_brightness) { - event = NOTIFY_BRN_MIN; /* brightness down */ - } else if (new_brightness > old_brightness) { - event = NOTIFY_BRN_MAX; /* brightness up */ - } else { - /* - * no change in brightness - already at min/max, - * event will be desired value (or else ignored) - */ - } - eeepc_input_notify(eeepc, event); - } - } else { - /* Everything else is a bona-fide keypress event */ + if (event < NOTIFY_BRN_MIN || event > NOTIFY_BRN_MAX) { eeepc_input_notify(eeepc, event); + return; + } + + /* Ignore them completely if the acpi video driver is used */ + if (!eeepc->backlight_device) + return; + + /* Update the backlight device. */ + old_brightness = eeepc_backlight_notify(eeepc); + + /* Convert event to keypress (obsolescent hack) */ + new_brightness = event - NOTIFY_BRN_MIN; + + if (new_brightness < old_brightness) { + event = NOTIFY_BRN_MIN; /* brightness down */ + } else if (new_brightness > old_brightness) { + event = NOTIFY_BRN_MAX; /* brightness up */ + } else { + /* + * no change in brightness - already at min/max, + * event will be desired value (or else ignored) + */ } + eeepc_input_notify(eeepc, event); } static void eeepc_dmi_check(struct eeepc_laptop *eeepc) @@ -1293,8 +1308,8 @@ static void eeepc_dmi_check(struct eeepc_laptop *eeepc) */ if (strcmp(model, "701") == 0 || strcmp(model, "702") == 0) { eeepc->cpufv_disabled = true; - pr_info("model %s does not officially support setting cpu " - "speed\n", model); + pr_info("model %s does not officially support setting cpu speed\n", + model); pr_info("cpufv disabled to avoid instability\n"); } @@ -1320,8 +1335,8 @@ static void cmsg_quirk(struct eeepc_laptop *eeepc, int cm, const char *name) Check if cm_getv[cm] works and, if yes, assume cm should be set. */ if (!(eeepc->cm_supported & (1 << cm)) && !read_acpi_int(eeepc->handle, cm_getv[cm], &dummy)) { - pr_info("%s (%x) not reported by BIOS," - " enabling anyway\n", name, 1 << cm); + pr_info("%s (%x) not reported by BIOS, enabling anyway\n", + name, 1 << cm); eeepc->cm_supported |= 1 << cm; } } diff --git a/drivers/platform/x86/fujitsu-laptop.c b/drivers/platform/x86/fujitsu-laptop.c index be55bd78b503..7c21c1c44dfa 100644 --- a/drivers/platform/x86/fujitsu-laptop.c +++ b/drivers/platform/x86/fujitsu-laptop.c @@ -1153,8 +1153,7 @@ fail_hotkey1: fail_hotkey: platform_driver_unregister(&fujitsupf_driver); fail_backlight: - if (fujitsu->bl_device) - backlight_device_unregister(fujitsu->bl_device); + backlight_device_unregister(fujitsu->bl_device); fail_sysfs_group: sysfs_remove_group(&fujitsu->pf_device->dev.kobj, &fujitsupf_attribute_group); @@ -1178,8 +1177,7 @@ static void __exit fujitsu_cleanup(void) platform_driver_unregister(&fujitsupf_driver); - if (fujitsu->bl_device) - backlight_device_unregister(fujitsu->bl_device); + backlight_device_unregister(fujitsu->bl_device); sysfs_remove_group(&fujitsu->pf_device->dev.kobj, &fujitsupf_attribute_group); diff --git a/drivers/platform/x86/hp-wireless.c b/drivers/platform/x86/hp-wireless.c index 415348fc1210..4e4cc8bd7557 100644 --- a/drivers/platform/x86/hp-wireless.c +++ b/drivers/platform/x86/hp-wireless.c @@ -85,6 +85,9 @@ static int hpwl_add(struct acpi_device *device) int err; err = hp_wireless_input_setup(); + if (err) + pr_err("Failed to setup hp wireless hotkeys\n"); + return err; } diff --git a/drivers/platform/x86/hp_accel.c b/drivers/platform/x86/hp_accel.c index 6bec745b6b92..10ce6cba4455 100644 --- a/drivers/platform/x86/hp_accel.c +++ b/drivers/platform/x86/hp_accel.c @@ -246,6 +246,7 @@ static const struct dmi_system_id lis3lv02d_dmi_ids[] = { AXIS_DMI_MATCH("HPB64xx", "HP ProBook 64", xy_swap), AXIS_DMI_MATCH("HPB64xx", "HP EliteBook 84", xy_swap), AXIS_DMI_MATCH("HPB65xx", "HP ProBook 65", x_inverted), + AXIS_DMI_MATCH("HPZBook15", "HP ZBook 15", x_inverted), { NULL, } /* Laptop models without axis info (yet): * "NC6910" "HP Compaq 6910" diff --git a/drivers/platform/x86/ideapad-laptop.c b/drivers/platform/x86/ideapad-laptop.c index c860eace1ce3..b3d419a84723 100644 --- a/drivers/platform/x86/ideapad-laptop.c +++ b/drivers/platform/x86/ideapad-laptop.c @@ -729,8 +729,7 @@ static int ideapad_backlight_init(struct ideapad_private *priv) static void ideapad_backlight_exit(struct ideapad_private *priv) { - if (priv->blightdev) - backlight_device_unregister(priv->blightdev); + backlight_device_unregister(priv->blightdev); priv->blightdev = NULL; } diff --git a/drivers/platform/x86/intel_ips.c b/drivers/platform/x86/intel_ips.c index ecd36e332c3c..e2065e06a3f3 100644 --- a/drivers/platform/x86/intel_ips.c +++ b/drivers/platform/x86/intel_ips.c @@ -33,7 +33,7 @@ * performance by allocating more power or thermal budget to the CPU or GPU * based on available headroom and activity. * - * The basic algorithm is driven by a 5s moving average of tempurature. If + * The basic algorithm is driven by a 5s moving average of temperature. If * thermal headroom is available, the CPU and/or GPU power clamps may be * adjusted upwards. If we hit the thermal ceiling or a thermal trigger, * we scale back the clamp. Aside from trigger events (when we're critically diff --git a/drivers/platform/x86/intel_oaktrail.c b/drivers/platform/x86/intel_oaktrail.c index 0afaaef5711f..a4a4258f6134 100644 --- a/drivers/platform/x86/intel_oaktrail.c +++ b/drivers/platform/x86/intel_oaktrail.c @@ -271,8 +271,7 @@ static int oaktrail_backlight_init(void) static void oaktrail_backlight_exit(void) { - if (oaktrail_bl_device) - backlight_device_unregister(oaktrail_bl_device); + backlight_device_unregister(oaktrail_bl_device); } static int oaktrail_probe(struct platform_device *pdev) diff --git a/drivers/platform/x86/msi-laptop.c b/drivers/platform/x86/msi-laptop.c index a3f06cb1063f..085987730aab 100644 --- a/drivers/platform/x86/msi-laptop.c +++ b/drivers/platform/x86/msi-laptop.c @@ -820,7 +820,7 @@ static bool msi_laptop_i8042_filter(unsigned char data, unsigned char str, { static bool extended; - if (str & 0x20) + if (str & I8042_STR_AUXDATA) return false; /* 0x54 wwan, 0x62 bluetooth, 0x76 wlan, 0xE4 touchpad toggle*/ diff --git a/drivers/platform/x86/msi-wmi.c b/drivers/platform/x86/msi-wmi.c index 70222f265f68..6d2bac0c463c 100644 --- a/drivers/platform/x86/msi-wmi.c +++ b/drivers/platform/x86/msi-wmi.c @@ -354,8 +354,7 @@ static void __exit msi_wmi_exit(void) sparse_keymap_free(msi_wmi_input_dev); input_unregister_device(msi_wmi_input_dev); } - if (backlight) - backlight_device_unregister(backlight); + backlight_device_unregister(backlight); } module_init(msi_wmi_init); diff --git a/drivers/platform/x86/sony-laptop.c b/drivers/platform/x86/sony-laptop.c index a1a0fd72e9bf..6dd1c0e7dcd9 100644 --- a/drivers/platform/x86/sony-laptop.c +++ b/drivers/platform/x86/sony-laptop.c @@ -3140,8 +3140,7 @@ static void sony_nc_backlight_setup(void) static void sony_nc_backlight_cleanup(void) { - if (sony_bl_props.dev) - backlight_device_unregister(sony_bl_props.dev); + backlight_device_unregister(sony_bl_props.dev); } static int sony_nc_add(struct acpi_device *device) @@ -3716,8 +3715,7 @@ static void sony_pic_detect_device_type(struct sony_pic_dev *dev) dev->event_types = type2_events; out: - if (pcidev) - pci_dev_put(pcidev); + pci_dev_put(pcidev); pr_info("detected Type%d model\n", dev->model == SONYPI_DEVICE_TYPE1 ? 1 : diff --git a/drivers/platform/x86/thinkpad_acpi.c b/drivers/platform/x86/thinkpad_acpi.c index 6414cfe5d848..c3d11fabc46f 100644 --- a/drivers/platform/x86/thinkpad_acpi.c +++ b/drivers/platform/x86/thinkpad_acpi.c @@ -6557,6 +6557,17 @@ static struct ibm_struct brightness_driver_data = { * bits 3-0 (volume). Other bits in NVRAM may have other functions, * such as bit 7 which is used to detect repeated presses of MUTE, * and we leave them unchanged. + * + * On newer Lenovo ThinkPads, the EC can automatically change the volume + * in response to user input. Unfortunately, this rarely works well. + * The laptop changes the state of its internal MUTE gate and, on some + * models, sends KEY_MUTE, causing any user code that responds to the + * mute button to get confused. The hardware MUTE gate is also + * unnecessary, since user code can handle the mute button without + * kernel or EC help. + * + * To avoid confusing userspace, we simply disable all EC-based mute + * and volume controls when possible. */ #ifdef CONFIG_THINKPAD_ACPI_ALSA_SUPPORT @@ -6611,11 +6622,21 @@ enum tpacpi_volume_capabilities { TPACPI_VOL_CAP_MAX }; +enum tpacpi_mute_btn_mode { + TP_EC_MUTE_BTN_LATCH = 0, /* Mute mutes; up/down unmutes */ + /* We don't know what mode 1 is. */ + TP_EC_MUTE_BTN_NONE = 2, /* Mute and up/down are just keys */ + TP_EC_MUTE_BTN_TOGGLE = 3, /* Mute toggles; up/down unmutes */ +}; + static enum tpacpi_volume_access_mode volume_mode = TPACPI_VOL_MODE_MAX; static enum tpacpi_volume_capabilities volume_capabilities; static bool volume_control_allowed; +static bool software_mute_requested = true; +static bool software_mute_active; +static int software_mute_orig_mode; /* * Used to syncronize writers to TP_EC_AUDIO and @@ -6633,6 +6654,8 @@ static void tpacpi_volume_checkpoint_nvram(void) return; if (!volume_control_allowed) return; + if (software_mute_active) + return; vdbg_printk(TPACPI_DBG_MIXER, "trying to checkpoint mixer state to NVRAM...\n"); @@ -6694,6 +6717,12 @@ static int volume_set_status_ec(const u8 status) dbg_printk(TPACPI_DBG_MIXER, "set EC mixer to 0x%02x\n", status); + /* + * On X200s, and possibly on others, it can take a while for + * reads to become correct. + */ + msleep(1); + return 0; } @@ -6776,6 +6805,57 @@ unlock: return rc; } +static int volume_set_software_mute(bool startup) +{ + int result; + + if (!tpacpi_is_lenovo()) + return -ENODEV; + + if (startup) { + if (!acpi_evalf(ec_handle, &software_mute_orig_mode, + "HAUM", "qd")) + return -EIO; + + dbg_printk(TPACPI_DBG_INIT | TPACPI_DBG_MIXER, + "Initial HAUM setting was %d\n", + software_mute_orig_mode); + } + + if (!acpi_evalf(ec_handle, &result, "SAUM", "qdd", + (int)TP_EC_MUTE_BTN_NONE)) + return -EIO; + + if (result != TP_EC_MUTE_BTN_NONE) + pr_warn("Unexpected SAUM result %d\n", + result); + + /* + * In software mute mode, the standard codec controls take + * precendence, so we unmute the ThinkPad HW switch at + * startup. Just on case there are SAUM-capable ThinkPads + * with level controls, set max HW volume as well. + */ + if (tp_features.mixer_no_level_control) + result = volume_set_mute(false); + else + result = volume_set_status(TP_EC_VOLUME_MAX); + + if (result != 0) + pr_warn("Failed to unmute the HW mute switch\n"); + + return 0; +} + +static void volume_exit_software_mute(void) +{ + int r; + + if (!acpi_evalf(ec_handle, &r, "SAUM", "qdd", software_mute_orig_mode) + || r != software_mute_orig_mode) + pr_warn("Failed to restore mute mode\n"); +} + static int volume_alsa_set_volume(const u8 vol) { dbg_printk(TPACPI_DBG_MIXER, @@ -6883,7 +6963,12 @@ static void volume_suspend(void) static void volume_resume(void) { - volume_alsa_notify_change(); + if (software_mute_active) { + if (volume_set_software_mute(false) < 0) + pr_warn("Failed to restore software mute\n"); + } else { + volume_alsa_notify_change(); + } } static void volume_shutdown(void) @@ -6899,6 +6984,9 @@ static void volume_exit(void) } tpacpi_volume_checkpoint_nvram(); + + if (software_mute_active) + volume_exit_software_mute(); } static int __init volume_create_alsa_mixer(void) @@ -7083,16 +7171,20 @@ static int __init volume_init(struct ibm_init_struct *iibm) "mute is supported, volume control is %s\n", str_supported(!tp_features.mixer_no_level_control)); - rc = volume_create_alsa_mixer(); - if (rc) { - pr_err("Could not create the ALSA mixer interface\n"); - return rc; - } + if (software_mute_requested && volume_set_software_mute(true) == 0) { + software_mute_active = true; + } else { + rc = volume_create_alsa_mixer(); + if (rc) { + pr_err("Could not create the ALSA mixer interface\n"); + return rc; + } - pr_info("Console audio control enabled, mode: %s\n", - (volume_control_allowed) ? - "override (read/write)" : - "monitor (read only)"); + pr_info("Console audio control enabled, mode: %s\n", + (volume_control_allowed) ? + "override (read/write)" : + "monitor (read only)"); + } vdbg_printk(TPACPI_DBG_INIT | TPACPI_DBG_MIXER, "registering volume hotkeys as change notification\n"); @@ -9089,6 +9181,10 @@ MODULE_PARM_DESC(volume_control, "Enables software override for the console audio " "control when true"); +module_param_named(software_mute, software_mute_requested, bool, 0444); +MODULE_PARM_DESC(software_mute, + "Request full software mute control"); + /* ALSA module API parameters */ module_param_named(index, alsa_index, int, 0444); MODULE_PARM_DESC(index, "ALSA index for the ACPI EC Mixer"); diff --git a/drivers/platform/x86/toshiba_acpi.c b/drivers/platform/x86/toshiba_acpi.c index ab6151f05420..fc34a71866ed 100644 --- a/drivers/platform/x86/toshiba_acpi.c +++ b/drivers/platform/x86/toshiba_acpi.c @@ -186,6 +186,7 @@ static struct toshiba_acpi_dev *toshiba_acpi; static const struct acpi_device_id toshiba_device_ids[] = { {"TOS6200", 0}, + {"TOS6207", 0}, {"TOS6208", 0}, {"TOS1900", 0}, {"", 0}, @@ -928,9 +929,7 @@ static int lcd_proc_open(struct inode *inode, struct file *file) static int set_lcd_brightness(struct toshiba_acpi_dev *dev, int value) { - u32 in[TCI_WORDS] = { HCI_SET, HCI_LCD_BRIGHTNESS, 0, 0, 0, 0 }; - u32 out[TCI_WORDS]; - acpi_status status; + u32 hci_result; if (dev->tr_backlight_supported) { bool enable = !value; @@ -941,20 +940,9 @@ static int set_lcd_brightness(struct toshiba_acpi_dev *dev, int value) value--; } - in[2] = value << HCI_LCD_BRIGHTNESS_SHIFT; - status = tci_raw(dev, in, out); - if (ACPI_FAILURE(status) || out[0] == TOS_FAILURE) { - pr_err("ACPI call to set brightness failed"); - return -EIO; - } - /* Extra check for "incomplete" backlight method, where the AML code - * doesn't check for HCI_SET or HCI_GET and returns TOS_SUCCESS, - * the actual brightness, and in some cases the max brightness. - */ - if (out[2] > 0 || out[3] == 0xE000) - return -ENODEV; - - return out[0] == TOS_SUCCESS ? 0 : -EIO; + value = value << HCI_LCD_BRIGHTNESS_SHIFT; + hci_result = hci_write1(dev, HCI_LCD_BRIGHTNESS, value); + return hci_result == TOS_SUCCESS ? 0 : -EIO; } static int set_lcd_status(struct backlight_device *bd) @@ -1406,12 +1394,6 @@ static ssize_t toshiba_kbd_bl_mode_store(struct device *dev, if (ret) return ret; - /* Update sysfs entries on successful mode change*/ - ret = sysfs_update_group(&toshiba->acpi_dev->dev.kobj, - &toshiba_attr_group); - if (ret) - return ret; - toshiba->kbd_mode = mode; } @@ -1586,10 +1568,32 @@ static umode_t toshiba_sysfs_is_visible(struct kobject *kobj, return exists ? attr->mode : 0; } +/* + * Hotkeys + */ +static int toshiba_acpi_enable_hotkeys(struct toshiba_acpi_dev *dev) +{ + acpi_status status; + u32 result; + + status = acpi_evaluate_object(dev->acpi_dev->handle, + "ENAB", NULL, NULL); + if (ACPI_FAILURE(status)) + return -ENODEV; + + result = hci_write1(dev, HCI_HOTKEY_EVENT, HCI_HOTKEY_ENABLE); + if (result == TOS_FAILURE) + return -EIO; + else if (result == TOS_NOT_SUPPORTED) + return -ENODEV; + + return 0; +} + static bool toshiba_acpi_i8042_filter(unsigned char data, unsigned char str, struct serio *port) { - if (str & 0x20) + if (str & I8042_STR_AUXDATA) return false; if (unlikely(data == 0xe0)) @@ -1648,9 +1652,45 @@ static void toshiba_acpi_report_hotkey(struct toshiba_acpi_dev *dev, pr_info("Unknown key %x\n", scancode); } +static void toshiba_acpi_process_hotkeys(struct toshiba_acpi_dev *dev) +{ + u32 hci_result, value; + int retries = 3; + int scancode; + + if (dev->info_supported) { + scancode = toshiba_acpi_query_hotkey(dev); + if (scancode < 0) + pr_err("Failed to query hotkey event\n"); + else if (scancode != 0) + toshiba_acpi_report_hotkey(dev, scancode); + } else if (dev->system_event_supported) { + do { + hci_result = hci_read1(dev, HCI_SYSTEM_EVENT, &value); + switch (hci_result) { + case TOS_SUCCESS: + toshiba_acpi_report_hotkey(dev, (int)value); + break; + case TOS_NOT_SUPPORTED: + /* + * This is a workaround for an unresolved + * issue on some machines where system events + * sporadically become disabled. + */ + hci_result = + hci_write1(dev, HCI_SYSTEM_EVENT, 1); + pr_notice("Re-enabled hotkeys\n"); + /* fall through */ + default: + retries--; + break; + } + } while (retries && hci_result != TOS_FIFO_EMPTY); + } +} + static int toshiba_acpi_setup_keyboard(struct toshiba_acpi_dev *dev) { - acpi_status status; acpi_handle ec_handle; int error; u32 hci_result; @@ -1677,7 +1717,6 @@ static int toshiba_acpi_setup_keyboard(struct toshiba_acpi_dev *dev) * supported, so if it's present set up an i8042 key filter * for this purpose. */ - status = AE_ERROR; ec_handle = ec_get_handle(); if (ec_handle && acpi_has_method(ec_handle, "NTFY")) { INIT_WORK(&dev->hotkey_work, toshiba_acpi_hotkey_work); @@ -1708,10 +1747,9 @@ static int toshiba_acpi_setup_keyboard(struct toshiba_acpi_dev *dev) goto err_remove_filter; } - status = acpi_evaluate_object(dev->acpi_dev->handle, "ENAB", NULL, NULL); - if (ACPI_FAILURE(status)) { + error = toshiba_acpi_enable_hotkeys(dev); + if (error) { pr_info("Unable to enable hotkeys\n"); - error = -ENODEV; goto err_remove_filter; } @@ -1721,7 +1759,6 @@ static int toshiba_acpi_setup_keyboard(struct toshiba_acpi_dev *dev) goto err_remove_filter; } - hci_result = hci_write1(dev, HCI_HOTKEY_EVENT, HCI_HOTKEY_ENABLE); return 0; err_remove_filter: @@ -1810,8 +1847,7 @@ static int toshiba_acpi_remove(struct acpi_device *acpi_dev) rfkill_destroy(dev->bt_rfk); } - if (dev->backlight_dev) - backlight_device_unregister(dev->backlight_dev); + backlight_device_unregister(dev->backlight_dev); if (dev->illumination_supported) led_classdev_unregister(&dev->led_dev); @@ -1967,41 +2003,29 @@ error: static void toshiba_acpi_notify(struct acpi_device *acpi_dev, u32 event) { struct toshiba_acpi_dev *dev = acpi_driver_data(acpi_dev); - u32 hci_result, value; - int retries = 3; - int scancode; - - if (event != 0x80) - return; + int ret; - if (dev->info_supported) { - scancode = toshiba_acpi_query_hotkey(dev); - if (scancode < 0) - pr_err("Failed to query hotkey event\n"); - else if (scancode != 0) - toshiba_acpi_report_hotkey(dev, scancode); - } else if (dev->system_event_supported) { - do { - hci_result = hci_read1(dev, HCI_SYSTEM_EVENT, &value); - switch (hci_result) { - case TOS_SUCCESS: - toshiba_acpi_report_hotkey(dev, (int)value); - break; - case TOS_NOT_SUPPORTED: - /* - * This is a workaround for an unresolved - * issue on some machines where system events - * sporadically become disabled. - */ - hci_result = - hci_write1(dev, HCI_SYSTEM_EVENT, 1); - pr_notice("Re-enabled hotkeys\n"); - /* fall through */ - default: - retries--; - break; - } - } while (retries && hci_result != TOS_FIFO_EMPTY); + switch (event) { + case 0x80: /* Hotkeys and some system events */ + toshiba_acpi_process_hotkeys(dev); + break; + case 0x92: /* Keyboard backlight mode changed */ + /* Update sysfs entries */ + ret = sysfs_update_group(&acpi_dev->dev.kobj, + &toshiba_attr_group); + if (ret) + pr_err("Unable to update sysfs entries\n"); + break; + case 0x81: /* Unknown */ + case 0x82: /* Unknown */ + case 0x83: /* Unknown */ + case 0x8c: /* Unknown */ + case 0x8e: /* Unknown */ + case 0x8f: /* Unknown */ + case 0x90: /* Unknown */ + default: + pr_info("Unknown event received %x\n", event); + break; } } @@ -2020,16 +2044,12 @@ static int toshiba_acpi_suspend(struct device *device) static int toshiba_acpi_resume(struct device *device) { struct toshiba_acpi_dev *dev = acpi_driver_data(to_acpi_device(device)); - u32 result; - acpi_status status; + int error; if (dev->hotkey_dev) { - status = acpi_evaluate_object(dev->acpi_dev->handle, "ENAB", - NULL, NULL); - if (ACPI_FAILURE(status)) + error = toshiba_acpi_enable_hotkeys(dev); + if (error) pr_info("Unable to re-enable hotkeys\n"); - - result = hci_write1(dev, HCI_HOTKEY_EVENT, HCI_HOTKEY_ENABLE); } return 0; |