forked from Qortal/Brooklyn
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
166 lines
4.8 KiB
166 lines
4.8 KiB
/* SPDX-License-Identifier: GPL-2.0 */ |
|
#include <linux/pm_qos.h> |
|
|
|
static inline void device_pm_init_common(struct device *dev) |
|
{ |
|
if (!dev->power.early_init) { |
|
spin_lock_init(&dev->power.lock); |
|
dev->power.qos = NULL; |
|
dev->power.early_init = true; |
|
} |
|
} |
|
|
|
#ifdef CONFIG_PM |
|
|
|
static inline void pm_runtime_early_init(struct device *dev) |
|
{ |
|
dev->power.disable_depth = 1; |
|
device_pm_init_common(dev); |
|
} |
|
|
|
extern void pm_runtime_init(struct device *dev); |
|
extern void pm_runtime_reinit(struct device *dev); |
|
extern void pm_runtime_remove(struct device *dev); |
|
extern u64 pm_runtime_active_time(struct device *dev); |
|
|
|
#define WAKE_IRQ_DEDICATED_ALLOCATED BIT(0) |
|
#define WAKE_IRQ_DEDICATED_MANAGED BIT(1) |
|
#define WAKE_IRQ_DEDICATED_MASK (WAKE_IRQ_DEDICATED_ALLOCATED | \ |
|
WAKE_IRQ_DEDICATED_MANAGED) |
|
|
|
struct wake_irq { |
|
struct device *dev; |
|
unsigned int status; |
|
int irq; |
|
const char *name; |
|
}; |
|
|
|
extern void dev_pm_arm_wake_irq(struct wake_irq *wirq); |
|
extern void dev_pm_disarm_wake_irq(struct wake_irq *wirq); |
|
extern void dev_pm_enable_wake_irq_check(struct device *dev, |
|
bool can_change_status); |
|
extern void dev_pm_disable_wake_irq_check(struct device *dev); |
|
|
|
#ifdef CONFIG_PM_SLEEP |
|
|
|
extern void device_wakeup_attach_irq(struct device *dev, struct wake_irq *wakeirq); |
|
extern void device_wakeup_detach_irq(struct device *dev); |
|
extern void device_wakeup_arm_wake_irqs(void); |
|
extern void device_wakeup_disarm_wake_irqs(void); |
|
|
|
#else |
|
|
|
static inline void device_wakeup_attach_irq(struct device *dev, |
|
struct wake_irq *wakeirq) {} |
|
|
|
static inline void device_wakeup_detach_irq(struct device *dev) |
|
{ |
|
} |
|
|
|
#endif /* CONFIG_PM_SLEEP */ |
|
|
|
/* |
|
* sysfs.c |
|
*/ |
|
|
|
extern int dpm_sysfs_add(struct device *dev); |
|
extern void dpm_sysfs_remove(struct device *dev); |
|
extern void rpm_sysfs_remove(struct device *dev); |
|
extern int wakeup_sysfs_add(struct device *dev); |
|
extern void wakeup_sysfs_remove(struct device *dev); |
|
extern int pm_qos_sysfs_add_resume_latency(struct device *dev); |
|
extern void pm_qos_sysfs_remove_resume_latency(struct device *dev); |
|
extern int pm_qos_sysfs_add_flags(struct device *dev); |
|
extern void pm_qos_sysfs_remove_flags(struct device *dev); |
|
extern int pm_qos_sysfs_add_latency_tolerance(struct device *dev); |
|
extern void pm_qos_sysfs_remove_latency_tolerance(struct device *dev); |
|
extern int dpm_sysfs_change_owner(struct device *dev, kuid_t kuid, kgid_t kgid); |
|
|
|
#else /* CONFIG_PM */ |
|
|
|
static inline void pm_runtime_early_init(struct device *dev) |
|
{ |
|
device_pm_init_common(dev); |
|
} |
|
|
|
static inline void pm_runtime_init(struct device *dev) {} |
|
static inline void pm_runtime_reinit(struct device *dev) {} |
|
static inline void pm_runtime_remove(struct device *dev) {} |
|
|
|
static inline int dpm_sysfs_add(struct device *dev) { return 0; } |
|
static inline void dpm_sysfs_remove(struct device *dev) {} |
|
static inline int dpm_sysfs_change_owner(struct device *dev, kuid_t kuid, |
|
kgid_t kgid) { return 0; } |
|
|
|
#endif |
|
|
|
#ifdef CONFIG_PM_SLEEP |
|
|
|
/* kernel/power/main.c */ |
|
extern int pm_async_enabled; |
|
|
|
/* drivers/base/power/main.c */ |
|
extern struct list_head dpm_list; /* The active device list */ |
|
|
|
static inline struct device *to_device(struct list_head *entry) |
|
{ |
|
return container_of(entry, struct device, power.entry); |
|
} |
|
|
|
extern void device_pm_sleep_init(struct device *dev); |
|
extern void device_pm_add(struct device *); |
|
extern void device_pm_remove(struct device *); |
|
extern void device_pm_move_before(struct device *, struct device *); |
|
extern void device_pm_move_after(struct device *, struct device *); |
|
extern void device_pm_move_last(struct device *); |
|
extern void device_pm_check_callbacks(struct device *dev); |
|
|
|
static inline bool device_pm_initialized(struct device *dev) |
|
{ |
|
return dev->power.in_dpm_list; |
|
} |
|
|
|
/* drivers/base/power/wakeup_stats.c */ |
|
extern int wakeup_source_sysfs_add(struct device *parent, |
|
struct wakeup_source *ws); |
|
extern void wakeup_source_sysfs_remove(struct wakeup_source *ws); |
|
|
|
extern int pm_wakeup_source_sysfs_add(struct device *parent); |
|
|
|
#else /* !CONFIG_PM_SLEEP */ |
|
|
|
static inline void device_pm_sleep_init(struct device *dev) {} |
|
|
|
static inline void device_pm_add(struct device *dev) {} |
|
|
|
static inline void device_pm_remove(struct device *dev) |
|
{ |
|
pm_runtime_remove(dev); |
|
} |
|
|
|
static inline void device_pm_move_before(struct device *deva, |
|
struct device *devb) {} |
|
static inline void device_pm_move_after(struct device *deva, |
|
struct device *devb) {} |
|
static inline void device_pm_move_last(struct device *dev) {} |
|
|
|
static inline void device_pm_check_callbacks(struct device *dev) {} |
|
|
|
static inline bool device_pm_initialized(struct device *dev) |
|
{ |
|
return device_is_registered(dev); |
|
} |
|
|
|
static inline int pm_wakeup_source_sysfs_add(struct device *parent) |
|
{ |
|
return 0; |
|
} |
|
|
|
#endif /* !CONFIG_PM_SLEEP */ |
|
|
|
static inline void device_pm_init(struct device *dev) |
|
{ |
|
device_pm_init_common(dev); |
|
device_pm_sleep_init(dev); |
|
pm_runtime_init(dev); |
|
}
|
|
|