diff options
| -rw-r--r-- | drivers/platform/x86/Kconfig | 1 | ||||
| -rw-r--r-- | drivers/platform/x86/hp-wmi.c | 97 |
2 files changed, 93 insertions, 5 deletions
diff --git a/drivers/platform/x86/Kconfig b/drivers/platform/x86/Kconfig index 84bc37d0c15b..c9fd9adb79ac 100644 --- a/drivers/platform/x86/Kconfig +++ b/drivers/platform/x86/Kconfig @@ -410,6 +410,7 @@ config HP_WMI depends on INPUT depends on RFKILL || RFKILL = n select INPUT_SPARSEKMAP + select ACPI_PLATFORM_PROFILE help Say Y here if you want to support WMI-based hotkeys on HP laptops and to read data from WMI such as docking or ambient light sensor state. diff --git a/drivers/platform/x86/hp-wmi.c b/drivers/platform/x86/hp-wmi.c index 6d7b91b8109b..027a1467d009 100644 --- a/drivers/platform/x86/hp-wmi.c +++ b/drivers/platform/x86/hp-wmi.c @@ -21,6 +21,7 @@ #include <linux/input.h> #include <linux/input/sparse-keymap.h> #include <linux/platform_device.h> +#include <linux/platform_profile.h> #include <linux/acpi.h> #include <linux/rfkill.h> #include <linux/string.h> @@ -119,6 +120,12 @@ enum hp_wireless2_bits { HPWMI_POWER_FW_OR_HW = HPWMI_POWER_BIOS | HPWMI_POWER_HARD, }; +enum hp_thermal_profile { + HP_THERMAL_PROFILE_PERFORMANCE = 0x00, + HP_THERMAL_PROFILE_DEFAULT = 0x01, + HP_THERMAL_PROFILE_COOL = 0x02 +}; + #define IS_HWBLOCKED(x) ((x & HPWMI_POWER_FW_OR_HW) != HPWMI_POWER_FW_OR_HW) #define IS_SWBLOCKED(x) !(x & HPWMI_POWER_SOFT) @@ -159,6 +166,8 @@ static const struct key_entry hp_wmi_keymap[] = { static struct input_dev *hp_wmi_input_dev; static struct platform_device *hp_wmi_platform_dev; +static struct platform_profile_handler platform_profile_handler; +static bool platform_profile_support; static struct rfkill *wifi_rfkill; static struct rfkill *bluetooth_rfkill; @@ -869,11 +878,74 @@ fail: return err; } -static int thermal_profile_setup(struct platform_device *device) +static int thermal_profile_get(void) +{ + return hp_wmi_read_int(HPWMI_THERMAL_PROFILE_QUERY); +} + +static int thermal_profile_set(int thermal_profile) +{ + return hp_wmi_perform_query(HPWMI_THERMAL_PROFILE_QUERY, HPWMI_WRITE, &thermal_profile, + sizeof(thermal_profile), 0); +} + +static int platform_profile_get(struct platform_profile_handler *pprof, + enum platform_profile_option *profile) +{ + int tp; + + tp = thermal_profile_get(); + if (tp < 0) + return tp; + + switch (tp) { + case HP_THERMAL_PROFILE_PERFORMANCE: + *profile = PLATFORM_PROFILE_PERFORMANCE; + break; + case HP_THERMAL_PROFILE_DEFAULT: + *profile = PLATFORM_PROFILE_BALANCED; + break; + case HP_THERMAL_PROFILE_COOL: + *profile = PLATFORM_PROFILE_COOL; + break; + default: + return -EINVAL; + } + + return 0; +} + +static int platform_profile_set(struct platform_profile_handler *pprof, + enum platform_profile_option profile) { int err, tp; - tp = hp_wmi_read_int(HPWMI_THERMAL_PROFILE_QUERY); + switch (profile) { + case PLATFORM_PROFILE_PERFORMANCE: + tp = HP_THERMAL_PROFILE_PERFORMANCE; + break; + case PLATFORM_PROFILE_BALANCED: + tp = HP_THERMAL_PROFILE_DEFAULT; + break; + case PLATFORM_PROFILE_COOL: + tp = HP_THERMAL_PROFILE_COOL; + break; + default: + return -EOPNOTSUPP; + } + + err = thermal_profile_set(tp); + if (err) + return err; + + return 0; +} + +static int thermal_profile_setup(void) +{ + int err, tp; + + tp = thermal_profile_get(); if (tp < 0) return tp; @@ -881,11 +953,23 @@ static int thermal_profile_setup(struct platform_device *device) * call thermal profile write command to ensure that the firmware correctly * sets the OEM variables for the DPTF */ - err = hp_wmi_perform_query(HPWMI_THERMAL_PROFILE_QUERY, HPWMI_WRITE, &tp, - sizeof(tp), 0); + err = thermal_profile_set(tp); if (err) return err; + platform_profile_handler.profile_get = platform_profile_get, + platform_profile_handler.profile_set = platform_profile_set, + + set_bit(PLATFORM_PROFILE_COOL, platform_profile_handler.choices); + set_bit(PLATFORM_PROFILE_BALANCED, platform_profile_handler.choices); + set_bit(PLATFORM_PROFILE_PERFORMANCE, platform_profile_handler.choices); + + err = platform_profile_register(&platform_profile_handler); + if (err) + return err; + + platform_profile_support = true; + return 0; } @@ -900,7 +984,7 @@ static int __init hp_wmi_bios_setup(struct platform_device *device) if (hp_wmi_rfkill_setup(device)) hp_wmi_rfkill2_setup(device); - thermal_profile_setup(device); + thermal_profile_setup(); return 0; } @@ -927,6 +1011,9 @@ static int __exit hp_wmi_bios_remove(struct platform_device *device) rfkill_destroy(wwan_rfkill); } + if (platform_profile_support) + platform_profile_remove(); + return 0; } |