1/* SPDX-License-Identifier: GPL-2.0 */ 2#include <linux/pm_qos.h> 3 4static inline void device_pm_init_common(struct device *dev) 5{ 6 if (!dev->power.early_init) { 7 spin_lock_init(&dev->power.lock); 8 dev->power.qos = NULL; 9 dev->power.early_init = true; 10 } 11} 12 13#ifdef CONFIG_PM 14 15static inline void pm_runtime_early_init(struct device *dev) 16{ 17 dev->power.disable_depth = 1; 18 device_pm_init_common(dev); 19} 20 21extern void pm_runtime_init(struct device *dev); 22extern void pm_runtime_reinit(struct device *dev); 23extern void pm_runtime_remove(struct device *dev); 24extern u64 pm_runtime_active_time(struct device *dev); 25 26#define WAKE_IRQ_DEDICATED_ALLOCATED BIT(0) 27#define WAKE_IRQ_DEDICATED_MANAGED BIT(1) 28#define WAKE_IRQ_DEDICATED_REVERSE BIT(2) 29#define WAKE_IRQ_DEDICATED_MASK (WAKE_IRQ_DEDICATED_ALLOCATED | \ 30 WAKE_IRQ_DEDICATED_MANAGED | \ 31 WAKE_IRQ_DEDICATED_REVERSE) 32#define WAKE_IRQ_DEDICATED_ENABLED BIT(3) 33 34struct wake_irq { 35 struct device *dev; 36 unsigned int status; 37 int irq; 38 const char *name; 39}; 40 41extern void dev_pm_arm_wake_irq(struct wake_irq *wirq); 42extern void dev_pm_disarm_wake_irq(struct wake_irq *wirq); 43extern void dev_pm_enable_wake_irq_check(struct device *dev, 44 bool can_change_status); 45extern void dev_pm_disable_wake_irq_check(struct device *dev, bool cond_disable); 46extern void dev_pm_enable_wake_irq_complete(struct device *dev); 47 48#ifdef CONFIG_PM_SLEEP 49 50extern void device_wakeup_attach_irq(struct device *dev, struct wake_irq *wakeirq); 51extern void device_wakeup_detach_irq(struct device *dev); 52extern void device_wakeup_arm_wake_irqs(void); 53extern void device_wakeup_disarm_wake_irqs(void); 54 55#else 56 57static inline void device_wakeup_attach_irq(struct device *dev, 58 struct wake_irq *wakeirq) {} 59 60static inline void device_wakeup_detach_irq(struct device *dev) 61{ 62} 63 64#endif /* CONFIG_PM_SLEEP */ 65 66/* 67 * sysfs.c 68 */ 69 70extern int dpm_sysfs_add(struct device *dev); 71extern void dpm_sysfs_remove(struct device *dev); 72extern void rpm_sysfs_remove(struct device *dev); 73extern int wakeup_sysfs_add(struct device *dev); 74extern void wakeup_sysfs_remove(struct device *dev); 75extern int pm_qos_sysfs_add_resume_latency(struct device *dev); 76extern void pm_qos_sysfs_remove_resume_latency(struct device *dev); 77extern int pm_qos_sysfs_add_flags(struct device *dev); 78extern void pm_qos_sysfs_remove_flags(struct device *dev); 79extern int pm_qos_sysfs_add_latency_tolerance(struct device *dev); 80extern void pm_qos_sysfs_remove_latency_tolerance(struct device *dev); 81extern int dpm_sysfs_change_owner(struct device *dev, kuid_t kuid, kgid_t kgid); 82 83#else /* CONFIG_PM */ 84 85static inline void pm_runtime_early_init(struct device *dev) 86{ 87 device_pm_init_common(dev); 88} 89 90static inline void pm_runtime_init(struct device *dev) {} 91static inline void pm_runtime_reinit(struct device *dev) {} 92static inline void pm_runtime_remove(struct device *dev) {} 93 94static inline int dpm_sysfs_add(struct device *dev) { return 0; } 95static inline void dpm_sysfs_remove(struct device *dev) {} 96static inline int dpm_sysfs_change_owner(struct device *dev, kuid_t kuid, 97 kgid_t kgid) { return 0; } 98 99#endif 100 101#ifdef CONFIG_PM_SLEEP 102 103/* kernel/power/main.c */ 104extern int pm_async_enabled; 105 106/* drivers/base/power/main.c */ 107extern struct list_head dpm_list; /* The active device list */ 108 109static inline struct device *to_device(struct list_head *entry) 110{ 111 return container_of(entry, struct device, power.entry); 112} 113 114extern void device_pm_sleep_init(struct device *dev); 115extern void device_pm_add(struct device *); 116extern void device_pm_remove(struct device *); 117extern void device_pm_move_before(struct device *, struct device *); 118extern void device_pm_move_after(struct device *, struct device *); 119extern void device_pm_move_last(struct device *); 120extern void device_pm_check_callbacks(struct device *dev); 121 122static inline bool device_pm_initialized(struct device *dev) 123{ 124 return dev->power.in_dpm_list; 125} 126 127/* drivers/base/power/wakeup_stats.c */ 128extern int wakeup_source_sysfs_add(struct device *parent, 129 struct wakeup_source *ws); 130extern void wakeup_source_sysfs_remove(struct wakeup_source *ws); 131 132extern int pm_wakeup_source_sysfs_add(struct device *parent); 133 134#else /* !CONFIG_PM_SLEEP */ 135 136static inline void device_pm_sleep_init(struct device *dev) {} 137 138static inline void device_pm_add(struct device *dev) {} 139 140static inline void device_pm_remove(struct device *dev) 141{ 142 pm_runtime_remove(dev); 143} 144 145static inline void device_pm_move_before(struct device *deva, 146 struct device *devb) {} 147static inline void device_pm_move_after(struct device *deva, 148 struct device *devb) {} 149static inline void device_pm_move_last(struct device *dev) {} 150 151static inline void device_pm_check_callbacks(struct device *dev) {} 152 153static inline bool device_pm_initialized(struct device *dev) 154{ 155 return device_is_registered(dev); 156} 157 158static inline int pm_wakeup_source_sysfs_add(struct device *parent) 159{ 160 return 0; 161} 162 163#endif /* !CONFIG_PM_SLEEP */ 164 165static inline void device_pm_init(struct device *dev) 166{ 167 device_pm_init_common(dev); 168 device_pm_sleep_init(dev); 169 pm_runtime_init(dev); 170} 171