[thirdparty/kernel/linux.git] / drivers / base / power / power.h

/* 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);

#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;
};

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 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_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 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)
{
}

static inline void dev_pm_enable_wake_irq_check(struct device *dev,
						bool can_change_status)
{
}

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

#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;
}

#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);
}

#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);
}
Commit	Line	Data
b2441318	1	/* SPDX-License-Identifier: GPL-2.0 */
1a9a9152 RW	2	#include <linux/pm_qos.h>
1a9a9152 RW	3
e91c11b1 RW	4	static inline void device_pm_init_common(struct device *dev)
e91c11b1 RW	5	{
bed2b42d RW	6	if (!dev->power.early_init) {
bed2b42d RW	7	spin_lock_init(&dev->power.lock);
37530f2b	8	dev->power.qos = NULL;
bed2b42d RW	9	dev->power.early_init = true;
bed2b42d RW	10	}
e91c11b1 RW	11	}
e91c11b1 RW	12
d30d819d	13	#ifdef CONFIG_PM
5e928f77	14
bed2b42d RW	15	static inline void pm_runtime_early_init(struct device *dev)
	16	{
	17	dev->power.disable_depth = 1;
	18	device_pm_init_common(dev);
	19	}
	20
5e928f77	21	extern void pm_runtime_init(struct device *dev);
5de85b9d	22	extern void pm_runtime_reinit(struct device *dev);
5e928f77 RW	23	extern void pm_runtime_remove(struct device *dev);
5e928f77 RW	24
bed57030 TL	25	#define WAKE_IRQ_DEDICATED_ALLOCATED BIT(0)
	26	#define WAKE_IRQ_DEDICATED_MANAGED BIT(1)
	27	#define WAKE_IRQ_DEDICATED_MASK (WAKE_IRQ_DEDICATED_ALLOCATED \| \
	28	WAKE_IRQ_DEDICATED_MANAGED)
	29
4990d4fe TL	30	struct wake_irq {
4990d4fe TL	31	struct device *dev;
bed57030	32	unsigned int status;
4990d4fe	33	int irq;
4990d4fe TL	34	};
	35
	36	extern void dev_pm_arm_wake_irq(struct wake_irq *wirq);
	37	extern void dev_pm_disarm_wake_irq(struct wake_irq *wirq);
bed57030 TL	38	extern void dev_pm_enable_wake_irq_check(struct device *dev,
	39	bool can_change_status);
	40	extern void dev_pm_disable_wake_irq_check(struct device *dev);
4990d4fe TL	41
	42	#ifdef CONFIG_PM_SLEEP
	43
	44	extern int device_wakeup_attach_irq(struct device *dev,
	45	struct wake_irq *wakeirq);
	46	extern void device_wakeup_detach_irq(struct device *dev);
	47	extern void device_wakeup_arm_wake_irqs(void);
	48	extern void device_wakeup_disarm_wake_irqs(void);
	49
	50	#else
	51
	52	static inline int
	53	device_wakeup_attach_irq(struct device *dev,
	54	struct wake_irq *wakeirq)
	55	{
	56	return 0;
	57	}
	58
	59	static inline void device_wakeup_detach_irq(struct device *dev)
	60	{
	61	}
	62
	63	static inline void device_wakeup_arm_wake_irqs(void)
	64	{
	65	}
	66
	67	static inline void device_wakeup_disarm_wake_irqs(void)
	68	{
	69	}
	70
	71	#endif /* CONFIG_PM_SLEEP */
	72
d30d819d RW	73	/*
	74	* sysfs.c
	75	*/
	76
	77	extern int dpm_sysfs_add(struct device *dev);
	78	extern void dpm_sysfs_remove(struct device *dev);
	79	extern void rpm_sysfs_remove(struct device *dev);
	80	extern int wakeup_sysfs_add(struct device *dev);
	81	extern void wakeup_sysfs_remove(struct device *dev);
	82	extern int pm_qos_sysfs_add_resume_latency(struct device *dev);
	83	extern void pm_qos_sysfs_remove_resume_latency(struct device *dev);
	84	extern int pm_qos_sysfs_add_flags(struct device *dev);
	85	extern void pm_qos_sysfs_remove_flags(struct device *dev);
13b2c4a0 MW	86	extern int pm_qos_sysfs_add_latency_tolerance(struct device *dev);
13b2c4a0 MW	87	extern void pm_qos_sysfs_remove_latency_tolerance(struct device *dev);
d30d819d RW	88
d30d819d RW	89	#else /* CONFIG_PM */
5e928f77	90
bed2b42d RW	91	static inline void pm_runtime_early_init(struct device *dev)
	92	{
	93	device_pm_init_common(dev);
	94	}
	95
5e928f77	96	static inline void pm_runtime_init(struct device *dev) {}
5de85b9d	97	static inline void pm_runtime_reinit(struct device *dev) {}
5e928f77 RW	98	static inline void pm_runtime_remove(struct device *dev) {}
5e928f77 RW	99
d30d819d RW	100	static inline int dpm_sysfs_add(struct device *dev) { return 0; }
	101	static inline void dpm_sysfs_remove(struct device *dev) {}
	102	static inline void rpm_sysfs_remove(struct device *dev) {}
	103	static inline int wakeup_sysfs_add(struct device *dev) { return 0; }
	104	static inline void wakeup_sysfs_remove(struct device *dev) {}
	105	static inline int pm_qos_sysfs_add(struct device *dev) { return 0; }
	106	static inline void pm_qos_sysfs_remove(struct device *dev) {}
	107
4990d4fe TL	108	static inline void dev_pm_arm_wake_irq(struct wake_irq *wirq)
	109	{
	110	}
	111
	112	static inline void dev_pm_disarm_wake_irq(struct wake_irq *wirq)
	113	{
	114	}
	115
bed57030 TL	116	static inline void dev_pm_enable_wake_irq_check(struct device *dev,
	117	bool can_change_status)
	118	{
	119	}
	120
	121	static inline void dev_pm_disable_wake_irq_check(struct device *dev)
	122	{
	123	}
	124
d30d819d	125	#endif
3b98aeaf	126
296699de	127	#ifdef CONFIG_PM_SLEEP
1da177e4	128
0e06b4a8 RW	129	/* kernel/power/main.c */
0e06b4a8 RW	130	extern int pm_async_enabled;
1da177e4	131
0e06b4a8	132	/* drivers/base/power/main.c */
1eede070	133	extern struct list_head dpm_list; /* The active device list */
1da177e4	134
dec13c15	135	static inline struct device to_device(struct list_head entry)
1da177e4	136	{
cd59abfc	137	return container_of(entry, struct device, power.entry);
1da177e4 LT	138	}
1da177e4 LT	139
e91c11b1	140	extern void device_pm_sleep_init(struct device *dev);
3b98aeaf	141	extern void device_pm_add(struct device *);
1da177e4	142	extern void device_pm_remove(struct device *);
ffa6a705 CH	143	extern void device_pm_move_before(struct device , struct device );
	144	extern void device_pm_move_after(struct device , struct device );
	145	extern void device_pm_move_last(struct device *);
aa8e54b5	146	extern void device_pm_check_callbacks(struct device *dev);
1da177e4	147
9ed98953 RW	148	static inline bool device_pm_initialized(struct device *dev)
	149	{
	150	return dev->power.in_dpm_list;
	151	}
	152
5e928f77 RW	153	#else /* !CONFIG_PM_SLEEP */
5e928f77 RW	154
e91c11b1	155	static inline void device_pm_sleep_init(struct device *dev) {}
5e928f77	156
37530f2b	157	static inline void device_pm_add(struct device *dev) {}
1a9a9152	158
5e928f77 RW	159	static inline void device_pm_remove(struct device *dev)
	160	{
	161	pm_runtime_remove(dev);
	162	}
dec13c15	163
ffa6a705 CH	164	static inline void device_pm_move_before(struct device *deva,
	165	struct device *devb) {}
	166	static inline void device_pm_move_after(struct device *deva,
	167	struct device *devb) {}
	168	static inline void device_pm_move_last(struct device *dev) {}
775b64d2	169
aa8e54b5 TV	170	static inline void device_pm_check_callbacks(struct device *dev) {}
aa8e54b5 TV	171
9ed98953 RW	172	static inline bool device_pm_initialized(struct device *dev)
	173	{
	174	return device_is_registered(dev);
	175	}
	176
5e928f77	177	#endif /* !CONFIG_PM_SLEEP */
dec13c15	178
e91c11b1 RW	179	static inline void device_pm_init(struct device *dev)
	180	{
	181	device_pm_init_common(dev);
	182	device_pm_sleep_init(dev);
	183	pm_runtime_init(dev);
	184	}