diff options
Diffstat (limited to 'ANDROID_3.4.5/include/linux/pm_domain.h')
| -rw-r--r-- | ANDROID_3.4.5/include/linux/pm_domain.h | 243 |
1 files changed, 0 insertions, 243 deletions
diff --git a/ANDROID_3.4.5/include/linux/pm_domain.h b/ANDROID_3.4.5/include/linux/pm_domain.h deleted file mode 100644 index 30f794eb..00000000 --- a/ANDROID_3.4.5/include/linux/pm_domain.h +++ /dev/null @@ -1,243 +0,0 @@ -/* - * pm_domain.h - Definitions and headers related to device power domains. - * - * Copyright (C) 2011 Rafael J. Wysocki <rjw@sisk.pl>, Renesas Electronics Corp. - * - * This file is released under the GPLv2. - */ - -#ifndef _LINUX_PM_DOMAIN_H -#define _LINUX_PM_DOMAIN_H - -#include <linux/device.h> -#include <linux/mutex.h> -#include <linux/pm.h> -#include <linux/err.h> -#include <linux/of.h> -#include <linux/notifier.h> - -enum gpd_status { - GPD_STATE_ACTIVE = 0, /* PM domain is active */ - GPD_STATE_WAIT_MASTER, /* PM domain's master is being waited for */ - GPD_STATE_BUSY, /* Something is happening to the PM domain */ - GPD_STATE_REPEAT, /* Power off in progress, to be repeated */ - GPD_STATE_POWER_OFF, /* PM domain is off */ -}; - -struct dev_power_governor { - bool (*power_down_ok)(struct dev_pm_domain *domain); - bool (*stop_ok)(struct device *dev); -}; - -struct gpd_dev_ops { - int (*start)(struct device *dev); - int (*stop)(struct device *dev); - int (*save_state)(struct device *dev); - int (*restore_state)(struct device *dev); - int (*suspend)(struct device *dev); - int (*suspend_late)(struct device *dev); - int (*resume_early)(struct device *dev); - int (*resume)(struct device *dev); - int (*freeze)(struct device *dev); - int (*freeze_late)(struct device *dev); - int (*thaw_early)(struct device *dev); - int (*thaw)(struct device *dev); - bool (*active_wakeup)(struct device *dev); -}; - -struct generic_pm_domain { - struct dev_pm_domain domain; /* PM domain operations */ - struct list_head gpd_list_node; /* Node in the global PM domains list */ - struct list_head master_links; /* Links with PM domain as a master */ - struct list_head slave_links; /* Links with PM domain as a slave */ - struct list_head dev_list; /* List of devices */ - struct mutex lock; - struct dev_power_governor *gov; - struct work_struct power_off_work; - char *name; - unsigned int in_progress; /* Number of devices being suspended now */ - atomic_t sd_count; /* Number of subdomains with power "on" */ - enum gpd_status status; /* Current state of the domain */ - wait_queue_head_t status_wait_queue; - struct task_struct *poweroff_task; /* Powering off task */ - unsigned int resume_count; /* Number of devices being resumed */ - unsigned int device_count; /* Number of devices */ - unsigned int suspended_count; /* System suspend device counter */ - unsigned int prepared_count; /* Suspend counter of prepared devices */ - bool suspend_power_off; /* Power status before system suspend */ - bool dev_irq_safe; /* Device callbacks are IRQ-safe */ - int (*power_off)(struct generic_pm_domain *domain); - s64 power_off_latency_ns; - int (*power_on)(struct generic_pm_domain *domain); - s64 power_on_latency_ns; - struct gpd_dev_ops dev_ops; - s64 max_off_time_ns; /* Maximum allowed "suspended" time. */ - bool max_off_time_changed; - bool cached_power_down_ok; - struct device_node *of_node; /* Node in device tree */ -}; - -static inline struct generic_pm_domain *pd_to_genpd(struct dev_pm_domain *pd) -{ - return container_of(pd, struct generic_pm_domain, domain); -} - -struct gpd_link { - struct generic_pm_domain *master; - struct list_head master_node; - struct generic_pm_domain *slave; - struct list_head slave_node; -}; - -struct gpd_timing_data { - s64 stop_latency_ns; - s64 start_latency_ns; - s64 save_state_latency_ns; - s64 restore_state_latency_ns; - s64 effective_constraint_ns; - bool constraint_changed; - bool cached_stop_ok; -}; - -struct generic_pm_domain_data { - struct pm_domain_data base; - struct gpd_dev_ops ops; - struct gpd_timing_data td; - struct notifier_block nb; - struct mutex lock; - bool need_restore; - bool always_on; -}; - -#ifdef CONFIG_PM_GENERIC_DOMAINS -static inline struct generic_pm_domain_data *to_gpd_data(struct pm_domain_data *pdd) -{ - return container_of(pdd, struct generic_pm_domain_data, base); -} - -static inline struct generic_pm_domain_data *dev_gpd_data(struct device *dev) -{ - return to_gpd_data(dev->power.subsys_data->domain_data); -} - -extern struct dev_power_governor simple_qos_governor; - -extern struct generic_pm_domain *dev_to_genpd(struct device *dev); -extern int __pm_genpd_add_device(struct generic_pm_domain *genpd, - struct device *dev, - struct gpd_timing_data *td); - -extern int __pm_genpd_of_add_device(struct device_node *genpd_node, - struct device *dev, - struct gpd_timing_data *td); - -static inline int pm_genpd_add_device(struct generic_pm_domain *genpd, - struct device *dev) -{ - return __pm_genpd_add_device(genpd, dev, NULL); -} - -static inline int pm_genpd_of_add_device(struct device_node *genpd_node, - struct device *dev) -{ - return __pm_genpd_of_add_device(genpd_node, dev, NULL); -} - -extern int pm_genpd_remove_device(struct generic_pm_domain *genpd, - struct device *dev); -extern void pm_genpd_dev_always_on(struct device *dev, bool val); -extern void pm_genpd_dev_need_restore(struct device *dev, bool val); -extern int pm_genpd_add_subdomain(struct generic_pm_domain *genpd, - struct generic_pm_domain *new_subdomain); -extern int pm_genpd_remove_subdomain(struct generic_pm_domain *genpd, - struct generic_pm_domain *target); -extern int pm_genpd_add_callbacks(struct device *dev, - struct gpd_dev_ops *ops, - struct gpd_timing_data *td); -extern int __pm_genpd_remove_callbacks(struct device *dev, bool clear_td); -extern void pm_genpd_init(struct generic_pm_domain *genpd, - struct dev_power_governor *gov, bool is_off); - -extern int pm_genpd_poweron(struct generic_pm_domain *genpd); - -extern bool default_stop_ok(struct device *dev); - -extern struct dev_power_governor pm_domain_always_on_gov; -#else - -static inline struct generic_pm_domain_data *dev_gpd_data(struct device *dev) -{ - return ERR_PTR(-ENOSYS); -} -static inline struct generic_pm_domain *dev_to_genpd(struct device *dev) -{ - return ERR_PTR(-ENOSYS); -} -static inline int __pm_genpd_add_device(struct generic_pm_domain *genpd, - struct device *dev, - struct gpd_timing_data *td) -{ - return -ENOSYS; -} -static inline int pm_genpd_add_device(struct generic_pm_domain *genpd, - struct device *dev) -{ - return -ENOSYS; -} -static inline int pm_genpd_remove_device(struct generic_pm_domain *genpd, - struct device *dev) -{ - return -ENOSYS; -} -static inline void pm_genpd_dev_always_on(struct device *dev, bool val) {} -static inline void pm_genpd_dev_need_restore(struct device *dev, bool val) {} -static inline int pm_genpd_add_subdomain(struct generic_pm_domain *genpd, - struct generic_pm_domain *new_sd) -{ - return -ENOSYS; -} -static inline int pm_genpd_remove_subdomain(struct generic_pm_domain *genpd, - struct generic_pm_domain *target) -{ - return -ENOSYS; -} -static inline int pm_genpd_add_callbacks(struct device *dev, - struct gpd_dev_ops *ops, - struct gpd_timing_data *td) -{ - return -ENOSYS; -} -static inline int __pm_genpd_remove_callbacks(struct device *dev, bool clear_td) -{ - return -ENOSYS; -} -static inline void pm_genpd_init(struct generic_pm_domain *genpd, - struct dev_power_governor *gov, bool is_off) -{ -} -static inline int pm_genpd_poweron(struct generic_pm_domain *genpd) -{ - return -ENOSYS; -} -static inline bool default_stop_ok(struct device *dev) -{ - return false; -} -#define simple_qos_governor NULL -#define pm_domain_always_on_gov NULL -#endif - -static inline int pm_genpd_remove_callbacks(struct device *dev) -{ - return __pm_genpd_remove_callbacks(dev, true); -} - -#ifdef CONFIG_PM_GENERIC_DOMAINS_RUNTIME -extern void genpd_queue_power_off_work(struct generic_pm_domain *genpd); -extern void pm_genpd_poweroff_unused(void); -#else -static inline void genpd_queue_power_off_work(struct generic_pm_domain *gpd) {} -static inline void pm_genpd_poweroff_unused(void) {} -#endif - -#endif /* _LINUX_PM_DOMAIN_H */ |