diff options
Diffstat (limited to 'include/acpi')
| -rw-r--r-- | include/acpi/acpi_bus.h | 72 |
1 files changed, 69 insertions, 3 deletions
diff --git a/include/acpi/acpi_bus.h b/include/acpi/acpi_bus.h index d1659904f2a0..c4ed4c2389c7 100644 --- a/include/acpi/acpi_bus.h +++ b/include/acpi/acpi_bus.h @@ -201,6 +201,7 @@ struct acpi_device_power_flags { struct acpi_device_power_state { struct { u8 valid:1; + u8 os_accessible:1; u8 explicit_set:1; /* _PSx present? */ u8 reserved:6; } flags; @@ -339,6 +340,7 @@ acpi_status acpi_bus_get_status_handle(acpi_handle handle, unsigned long long *sta); int acpi_bus_get_status(struct acpi_device *device); int acpi_bus_set_power(acpi_handle handle, int state); +int acpi_device_set_power(struct acpi_device *device, int state); int acpi_bus_update_power(acpi_handle handle, int *state_p); bool acpi_bus_power_manageable(acpi_handle handle); bool acpi_bus_can_wakeup(acpi_handle handle); @@ -416,30 +418,94 @@ int acpi_enable_wakeup_device_power(struct acpi_device *dev, int state); int acpi_disable_wakeup_device_power(struct acpi_device *dev); #ifdef CONFIG_PM +acpi_status acpi_add_pm_notifier(struct acpi_device *adev, + acpi_notify_handler handler, void *context); +acpi_status acpi_remove_pm_notifier(struct acpi_device *adev, + acpi_notify_handler handler); +int acpi_device_power_state(struct device *dev, struct acpi_device *adev, + u32 target_state, int d_max_in, int *d_min_p); int acpi_pm_device_sleep_state(struct device *, int *, int); #else -static inline int acpi_pm_device_sleep_state(struct device *d, int *p, int m) +static inline acpi_status acpi_add_pm_notifier(struct acpi_device *adev, + acpi_notify_handler handler, + void *context) +{ + return AE_SUPPORT; +} +static inline acpi_status acpi_remove_pm_notifier(struct acpi_device *adev, + acpi_notify_handler handler) +{ + return AE_SUPPORT; +} +static inline int __acpi_device_power_state(int m, int *p) { if (p) *p = ACPI_STATE_D0; return (m >= ACPI_STATE_D0 && m <= ACPI_STATE_D3) ? m : ACPI_STATE_D0; } +static inline int acpi_device_power_state(struct device *dev, + struct acpi_device *adev, + u32 target_state, int d_max_in, + int *d_min_p) +{ + return __acpi_device_power_state(d_max_in, d_min_p); +} +static inline int acpi_pm_device_sleep_state(struct device *d, int *p, int m) +{ + return __acpi_device_power_state(m, p); +} #endif -#ifdef CONFIG_PM_SLEEP +#ifdef CONFIG_PM_RUNTIME +int __acpi_device_run_wake(struct acpi_device *, bool); int acpi_pm_device_run_wake(struct device *, bool); -int acpi_pm_device_sleep_wake(struct device *, bool); #else +static inline int __acpi_device_run_wake(struct acpi_device *adev, bool en) +{ + return -ENODEV; +} static inline int acpi_pm_device_run_wake(struct device *dev, bool enable) { return -ENODEV; } +#endif + +#ifdef CONFIG_PM_SLEEP +int __acpi_device_sleep_wake(struct acpi_device *, u32, bool); +int acpi_pm_device_sleep_wake(struct device *, bool); +#else +static inline int __acpi_device_sleep_wake(struct acpi_device *adev, + u32 target_state, bool enable) +{ + return -ENODEV; +} static inline int acpi_pm_device_sleep_wake(struct device *dev, bool enable) { return -ENODEV; } #endif +#ifdef CONFIG_ACPI_SLEEP +u32 acpi_target_system_state(void); +#else +static inline u32 acpi_target_system_state(void) { return ACPI_STATE_S0; } +#endif + +static inline bool acpi_device_power_manageable(struct acpi_device *adev) +{ + return adev->flags.power_manageable; +} + +static inline bool acpi_device_can_wakeup(struct acpi_device *adev) +{ + return adev->wakeup.flags.valid; +} + +static inline bool acpi_device_can_poweroff(struct acpi_device *adev) +{ + return adev->power.states[ACPI_STATE_D3_COLD].flags.os_accessible; +} + #else /* CONFIG_ACPI */ static inline int register_acpi_bus_type(void *bus) { return 0; } |