171 lines
5.0 KiB
C
171 lines
5.0 KiB
C
/* 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_REVERSE BIT(2)
|
|
#define WAKE_IRQ_DEDICATED_MASK (WAKE_IRQ_DEDICATED_ALLOCATED | \
|
|
WAKE_IRQ_DEDICATED_MANAGED | \
|
|
WAKE_IRQ_DEDICATED_REVERSE)
|
|
#define WAKE_IRQ_DEDICATED_ENABLED BIT(3)
|
|
|
|
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, bool cond_disable);
|
|
extern void dev_pm_enable_wake_irq_complete(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);
|
|
}
|