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| author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 18:49:45 +0000 |
|---|---|---|
| committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 18:49:45 +0000 |
| commit | 2c3c1048746a4622d8c89a29670120dc8fab93c4 (patch) | |
| tree | 848558de17fb3008cdf4d861b01ac7781903ce39 /drivers/cpuidle/cpuidle.h | |
| parent | Initial commit. (diff) | |
| download | linux-2c3c1048746a4622d8c89a29670120dc8fab93c4.tar.xz linux-2c3c1048746a4622d8c89a29670120dc8fab93c4.zip | |
Adding upstream version 6.1.76.upstream/6.1.76
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'drivers/cpuidle/cpuidle.h')
| -rw-r--r-- | drivers/cpuidle/cpuidle.h | 75 |
1 files changed, 75 insertions, 0 deletions
diff --git a/drivers/cpuidle/cpuidle.h b/drivers/cpuidle/cpuidle.h new file mode 100644 index 000000000..9f336af17 --- /dev/null +++ b/drivers/cpuidle/cpuidle.h @@ -0,0 +1,75 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* + * cpuidle.h - The internal header file + */ + +#ifndef __DRIVER_CPUIDLE_H +#define __DRIVER_CPUIDLE_H + +/* For internal use only */ +extern char param_governor[]; +extern struct cpuidle_governor *cpuidle_curr_governor; +extern struct cpuidle_governor *cpuidle_prev_governor; +extern struct list_head cpuidle_governors; +extern struct list_head cpuidle_detected_devices; +extern struct mutex cpuidle_lock; +extern spinlock_t cpuidle_driver_lock; +extern int cpuidle_disabled(void); +extern int cpuidle_enter_state(struct cpuidle_device *dev, + struct cpuidle_driver *drv, int next_state); + +/* idle loop */ +extern void cpuidle_install_idle_handler(void); +extern void cpuidle_uninstall_idle_handler(void); + +/* governors */ +extern struct cpuidle_governor *cpuidle_find_governor(const char *str); +extern int cpuidle_switch_governor(struct cpuidle_governor *gov); + +/* sysfs */ + +struct device; + +extern int cpuidle_add_interface(struct device *dev); +extern void cpuidle_remove_interface(struct device *dev); +extern int cpuidle_add_device_sysfs(struct cpuidle_device *device); +extern void cpuidle_remove_device_sysfs(struct cpuidle_device *device); +extern int cpuidle_add_sysfs(struct cpuidle_device *dev); +extern void cpuidle_remove_sysfs(struct cpuidle_device *dev); + +#ifdef CONFIG_ARCH_NEEDS_CPU_IDLE_COUPLED +bool cpuidle_state_is_coupled(struct cpuidle_driver *drv, int state); +int cpuidle_coupled_state_verify(struct cpuidle_driver *drv); +int cpuidle_enter_state_coupled(struct cpuidle_device *dev, + struct cpuidle_driver *drv, int next_state); +int cpuidle_coupled_register_device(struct cpuidle_device *dev); +void cpuidle_coupled_unregister_device(struct cpuidle_device *dev); +#else +static inline +bool cpuidle_state_is_coupled(struct cpuidle_driver *drv, int state) +{ + return false; +} + +static inline int cpuidle_coupled_state_verify(struct cpuidle_driver *drv) +{ + return 0; +} + +static inline int cpuidle_enter_state_coupled(struct cpuidle_device *dev, + struct cpuidle_driver *drv, int next_state) +{ + return -1; +} + +static inline int cpuidle_coupled_register_device(struct cpuidle_device *dev) +{ + return 0; +} + +static inline void cpuidle_coupled_unregister_device(struct cpuidle_device *dev) +{ +} +#endif + +#endif /* __DRIVER_CPUIDLE_H */ |