Linux Audio

Check our new training course

Embedded Linux Audio

Check our new training course
with Creative Commons CC-BY-SA
lecture materials

Bootlin logo

Elixir Cross Referencer

Open Menu /drivers/base/power/power.h
Loading...
  1
  2
  3
  4
  5
  6
  7
  8
  9
 10
 11
 12
 13
 14
 15
 16
 17
 18
 19
 20
 21
 22
 23
 24
 25
 26
 27
 28
 29
 30
 31
 32
 33
 34
 35
 36
 37
 38
 39
 40
 41
 42
 43
 44
 45
 46
 47
 48
 49
 50
 51
 52
 53
 54
 55
 56
 57
 58
 59
 60
 61
 62
 63
 64
 65
 66
 67
 68
 69
 70
 71
 72
 73
 74
 75
 76
 77
 78
 79
 80
 81
 82
 83
 84
 85
 86
 87
 88
 89
 90
 91
 92
 93
 94
 95
 96
 97
 98
 99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
#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_remove(struct device *dev);

struct wake_irq {
	struct device *dev;
	int irq;
	bool dedicated_irq:1;
};

extern void dev_pm_arm_wake_irq(struct wake_irq *wirq);
extern void dev_pm_disarm_wake_irq(struct wake_irq *wirq);

#ifdef CONFIG_PM_SLEEP

extern int 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 int
device_wakeup_attach_irq(struct device *dev,
			 struct wake_irq *wakeirq)
{
	return 0;
}

static inline void device_wakeup_detach_irq(struct device *dev)
{
}

static inline void device_wakeup_arm_wake_irqs(void)
{
}

static inline void device_wakeup_disarm_wake_irqs(void)
{
}

#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);

#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_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 void rpm_sysfs_remove(struct device *dev) {}
static inline int wakeup_sysfs_add(struct device *dev) { return 0; }
static inline void wakeup_sysfs_remove(struct device *dev) {}
static inline int pm_qos_sysfs_add(struct device *dev) { return 0; }
static inline void pm_qos_sysfs_remove(struct device *dev) {}

static inline void dev_pm_arm_wake_irq(struct wake_irq *wirq)
{
}

static inline void dev_pm_disarm_wake_irq(struct wake_irq *wirq)
{
}

#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 *);

#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) {}

#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);
}