diff options
Diffstat (limited to 'include/linux/acpi.h')
| -rw-r--r-- | include/linux/acpi.h | 135 |
1 files changed, 134 insertions, 1 deletions
diff --git a/include/linux/acpi.h b/include/linux/acpi.h index 90be9898110..c33fa3ce9b7 100644 --- a/include/linux/acpi.h +++ b/include/linux/acpi.h @@ -25,7 +25,9 @@ #ifndef _LINUX_ACPI_H #define _LINUX_ACPI_H +#include <linux/errno.h> #include <linux/ioport.h> /* for struct resource */ +#include <linux/device.h> #ifdef CONFIG_ACPI @@ -250,6 +252,26 @@ extern int pnpacpi_disabled; #define PXM_INVAL (-1) +bool acpi_dev_resource_memory(struct acpi_resource *ares, struct resource *res); +bool acpi_dev_resource_io(struct acpi_resource *ares, struct resource *res); +bool acpi_dev_resource_address_space(struct acpi_resource *ares, + struct resource *res); +bool acpi_dev_resource_ext_address_space(struct acpi_resource *ares, + struct resource *res); +unsigned long acpi_dev_irq_flags(u8 triggering, u8 polarity, u8 shareable); +bool acpi_dev_resource_interrupt(struct acpi_resource *ares, int index, + struct resource *res); + +struct resource_list_entry { + struct list_head node; + struct resource res; +}; + +void acpi_dev_free_resource_list(struct list_head *list); +int acpi_dev_get_resources(struct acpi_device *adev, struct list_head *list, + int (*preproc)(struct acpi_resource *, void *), + void *preproc_data); + int acpi_check_resource_conflict(const struct resource *res); int acpi_check_region(resource_size_t start, resource_size_t n, @@ -257,10 +279,14 @@ int acpi_check_region(resource_size_t start, resource_size_t n, int acpi_resources_are_enforced(void); -#ifdef CONFIG_PM_SLEEP +#ifdef CONFIG_HIBERNATION void __init acpi_no_s4_hw_signature(void); +#endif + +#ifdef CONFIG_PM_SLEEP void __init acpi_old_suspend_ordering(void); void __init acpi_nvs_nosave(void); +void __init acpi_nvs_nosave_s3(void); #endif /* CONFIG_PM_SLEEP */ struct acpi_osc_context { @@ -364,6 +390,17 @@ extern int acpi_nvs_register(__u64 start, __u64 size); extern int acpi_nvs_for_each_region(int (*func)(__u64, __u64, void *), void *data); +const struct acpi_device_id *acpi_match_device(const struct acpi_device_id *ids, + const struct device *dev); + +static inline bool acpi_driver_match_device(struct device *dev, + const struct device_driver *drv) +{ + return !!acpi_match_device(drv->acpi_match_table, dev); +} + +#define ACPI_PTR(_ptr) (_ptr) + #else /* !CONFIG_ACPI */ #define acpi_disabled 1 @@ -418,6 +455,22 @@ static inline int acpi_nvs_for_each_region(int (*func)(__u64, __u64, void *), return 0; } +struct acpi_device_id; + +static inline const struct acpi_device_id *acpi_match_device( + const struct acpi_device_id *ids, const struct device *dev) +{ + return NULL; +} + +static inline bool acpi_driver_match_device(struct device *dev, + const struct device_driver *drv) +{ + return false; +} + +#define ACPI_PTR(_ptr) (NULL) + #endif /* !CONFIG_ACPI */ #ifdef CONFIG_ACPI @@ -430,4 +483,84 @@ acpi_status acpi_os_prepare_sleep(u8 sleep_state, #define acpi_os_set_prepare_sleep(func, pm1a_ctrl, pm1b_ctrl) do { } while (0) #endif +#if defined(CONFIG_ACPI) && defined(CONFIG_PM_RUNTIME) +int acpi_dev_runtime_suspend(struct device *dev); +int acpi_dev_runtime_resume(struct device *dev); +int acpi_subsys_runtime_suspend(struct device *dev); +int acpi_subsys_runtime_resume(struct device *dev); +#else +static inline int acpi_dev_runtime_suspend(struct device *dev) { return 0; } +static inline int acpi_dev_runtime_resume(struct device *dev) { return 0; } +static inline int acpi_subsys_runtime_suspend(struct device *dev) { return 0; } +static inline int acpi_subsys_runtime_resume(struct device *dev) { return 0; } +#endif + +#ifdef CONFIG_ACPI_SLEEP +int acpi_dev_suspend_late(struct device *dev); +int acpi_dev_resume_early(struct device *dev); +int acpi_subsys_prepare(struct device *dev); +int acpi_subsys_suspend_late(struct device *dev); +int acpi_subsys_resume_early(struct device *dev); +#else +static inline int acpi_dev_suspend_late(struct device *dev) { return 0; } +static inline int acpi_dev_resume_early(struct device *dev) { return 0; } +static inline int acpi_subsys_prepare(struct device *dev) { return 0; } +static inline int acpi_subsys_suspend_late(struct device *dev) { return 0; } +static inline int acpi_subsys_resume_early(struct device *dev) { return 0; } +#endif + +#if defined(CONFIG_ACPI) && defined(CONFIG_PM) +int acpi_dev_pm_attach(struct device *dev, bool power_on); +void acpi_dev_pm_detach(struct device *dev, bool power_off); +#else +static inline int acpi_dev_pm_attach(struct device *dev, bool power_on) +{ + return -ENODEV; +} +static inline void acpi_dev_pm_detach(struct device *dev, bool power_off) {} +#endif + +#ifdef CONFIG_ACPI +__printf(3, 4) +void acpi_handle_printk(const char *level, acpi_handle handle, + const char *fmt, ...); +#else /* !CONFIG_ACPI */ +static inline __printf(3, 4) void +acpi_handle_printk(const char *level, void *handle, const char *fmt, ...) {} +#endif /* !CONFIG_ACPI */ + +/* + * acpi_handle_<level>: Print message with ACPI prefix and object path + * + * These interfaces acquire the global namespace mutex to obtain an object + * path. In interrupt context, it shows the object path as <n/a>. + */ +#define acpi_handle_emerg(handle, fmt, ...) \ + acpi_handle_printk(KERN_EMERG, handle, fmt, ##__VA_ARGS__) +#define acpi_handle_alert(handle, fmt, ...) \ + acpi_handle_printk(KERN_ALERT, handle, fmt, ##__VA_ARGS__) +#define acpi_handle_crit(handle, fmt, ...) \ + acpi_handle_printk(KERN_CRIT, handle, fmt, ##__VA_ARGS__) +#define acpi_handle_err(handle, fmt, ...) \ + acpi_handle_printk(KERN_ERR, handle, fmt, ##__VA_ARGS__) +#define acpi_handle_warn(handle, fmt, ...) \ + acpi_handle_printk(KERN_WARNING, handle, fmt, ##__VA_ARGS__) +#define acpi_handle_notice(handle, fmt, ...) \ + acpi_handle_printk(KERN_NOTICE, handle, fmt, ##__VA_ARGS__) +#define acpi_handle_info(handle, fmt, ...) \ + acpi_handle_printk(KERN_INFO, handle, fmt, ##__VA_ARGS__) + +/* REVISIT: Support CONFIG_DYNAMIC_DEBUG when necessary */ +#if defined(DEBUG) || defined(CONFIG_DYNAMIC_DEBUG) +#define acpi_handle_debug(handle, fmt, ...) \ + acpi_handle_printk(KERN_DEBUG, handle, fmt, ##__VA_ARGS__) +#else +#define acpi_handle_debug(handle, fmt, ...) \ +({ \ + if (0) \ + acpi_handle_printk(KERN_DEBUG, handle, fmt, ##__VA_ARGS__); \ + 0; \ +}) +#endif + #endif /*_LINUX_ACPI_H*/ |