diff options
Diffstat (limited to 'include/linux')
| -rw-r--r-- | include/linux/acpi.h | 4 | ||||
| -rw-r--r-- | include/linux/clockchips.h | 32 | ||||
| -rw-r--r-- | include/linux/cpufreq.h | 21 | ||||
| -rw-r--r-- | include/linux/cpuidle.h | 23 | ||||
| -rw-r--r-- | include/linux/platform_data/clk-lpss.h | 18 |
5 files changed, 62 insertions, 36 deletions
diff --git a/include/linux/acpi.h b/include/linux/acpi.h index 03053aca5b3..17b5b596764 100644 --- a/include/linux/acpi.h +++ b/include/linux/acpi.h @@ -195,7 +195,7 @@ extern bool wmi_has_guid(const char *guid); #if defined(CONFIG_ACPI_VIDEO) || defined(CONFIG_ACPI_VIDEO_MODULE) extern long acpi_video_get_capabilities(acpi_handle graphics_dev_handle); -extern long acpi_is_video_device(struct acpi_device *device); +extern long acpi_is_video_device(acpi_handle handle); extern void acpi_video_dmi_promote_vendor(void); extern void acpi_video_dmi_demote_vendor(void); extern int acpi_video_backlight_support(void); @@ -208,7 +208,7 @@ static inline long acpi_video_get_capabilities(acpi_handle graphics_dev_handle) return 0; } -static inline long acpi_is_video_device(struct acpi_device *device) +static inline long acpi_is_video_device(acpi_handle handle) { return 0; } diff --git a/include/linux/clockchips.h b/include/linux/clockchips.h index 464e229e7d8..963d7143138 100644 --- a/include/linux/clockchips.h +++ b/include/linux/clockchips.h @@ -8,6 +8,20 @@ #ifndef _LINUX_CLOCKCHIPS_H #define _LINUX_CLOCKCHIPS_H +/* Clock event notification values */ +enum clock_event_nofitiers { + CLOCK_EVT_NOTIFY_ADD, + CLOCK_EVT_NOTIFY_BROADCAST_ON, + CLOCK_EVT_NOTIFY_BROADCAST_OFF, + CLOCK_EVT_NOTIFY_BROADCAST_FORCE, + CLOCK_EVT_NOTIFY_BROADCAST_ENTER, + CLOCK_EVT_NOTIFY_BROADCAST_EXIT, + CLOCK_EVT_NOTIFY_SUSPEND, + CLOCK_EVT_NOTIFY_RESUME, + CLOCK_EVT_NOTIFY_CPU_DYING, + CLOCK_EVT_NOTIFY_CPU_DEAD, +}; + #ifdef CONFIG_GENERIC_CLOCKEVENTS_BUILD #include <linux/clocksource.h> @@ -26,20 +40,6 @@ enum clock_event_mode { CLOCK_EVT_MODE_RESUME, }; -/* Clock event notification values */ -enum clock_event_nofitiers { - CLOCK_EVT_NOTIFY_ADD, - CLOCK_EVT_NOTIFY_BROADCAST_ON, - CLOCK_EVT_NOTIFY_BROADCAST_OFF, - CLOCK_EVT_NOTIFY_BROADCAST_FORCE, - CLOCK_EVT_NOTIFY_BROADCAST_ENTER, - CLOCK_EVT_NOTIFY_BROADCAST_EXIT, - CLOCK_EVT_NOTIFY_SUSPEND, - CLOCK_EVT_NOTIFY_RESUME, - CLOCK_EVT_NOTIFY_CPU_DYING, - CLOCK_EVT_NOTIFY_CPU_DEAD, -}; - /* * Clock event features */ @@ -184,7 +184,7 @@ static inline int tick_check_broadcast_expired(void) { return 0; } #ifdef CONFIG_GENERIC_CLOCKEVENTS extern void clockevents_notify(unsigned long reason, void *arg); #else -# define clockevents_notify(reason, arg) do { } while (0) +static inline void clockevents_notify(unsigned long reason, void *arg) {} #endif #else /* CONFIG_GENERIC_CLOCKEVENTS_BUILD */ @@ -192,7 +192,7 @@ extern void clockevents_notify(unsigned long reason, void *arg); static inline void clockevents_suspend(void) {} static inline void clockevents_resume(void) {} -#define clockevents_notify(reason, arg) do { } while (0) +static inline void clockevents_notify(unsigned long reason, void *arg) {} static inline int tick_check_broadcast_expired(void) { return 0; } #endif diff --git a/include/linux/cpufreq.h b/include/linux/cpufreq.h index a22944ca052..037d36ae63e 100644 --- a/include/linux/cpufreq.h +++ b/include/linux/cpufreq.h @@ -106,6 +106,7 @@ struct cpufreq_policy { * governors are used */ unsigned int policy; /* see above */ struct cpufreq_governor *governor; /* see below */ + void *governor_data; struct work_struct update; /* if update_policy() needs to be * called, but you're in IRQ context */ @@ -178,9 +179,11 @@ static inline unsigned long cpufreq_scale(unsigned long old, u_int div, u_int mu * CPUFREQ GOVERNORS * *********************************************************************/ -#define CPUFREQ_GOV_START 1 -#define CPUFREQ_GOV_STOP 2 -#define CPUFREQ_GOV_LIMITS 3 +#define CPUFREQ_GOV_START 1 +#define CPUFREQ_GOV_STOP 2 +#define CPUFREQ_GOV_LIMITS 3 +#define CPUFREQ_GOV_POLICY_INIT 4 +#define CPUFREQ_GOV_POLICY_EXIT 5 struct cpufreq_governor { char name[CPUFREQ_NAME_LEN]; @@ -229,6 +232,13 @@ struct cpufreq_driver { struct module *owner; char name[CPUFREQ_NAME_LEN]; u8 flags; + /* + * This should be set by platforms having multiple clock-domains, i.e. + * supporting multiple policies. With this sysfs directories of governor + * would be created in cpu/cpu<num>/cpufreq/ directory and so they can + * use the same governor with different tunables for different clusters. + */ + bool have_governor_per_policy; /* needed by all drivers */ int (*init) (struct cpufreq_policy *policy); @@ -268,8 +278,8 @@ int cpufreq_register_driver(struct cpufreq_driver *driver_data); int cpufreq_unregister_driver(struct cpufreq_driver *driver_data); -void cpufreq_notify_transition(struct cpufreq_freqs *freqs, unsigned int state); - +void cpufreq_notify_transition(struct cpufreq_policy *policy, + struct cpufreq_freqs *freqs, unsigned int state); static inline void cpufreq_verify_within_limits(struct cpufreq_policy *policy, unsigned int min, unsigned int max) { @@ -329,6 +339,7 @@ const char *cpufreq_get_current_driver(void); *********************************************************************/ int cpufreq_get_policy(struct cpufreq_policy *policy, unsigned int cpu); int cpufreq_update_policy(unsigned int cpu); +bool have_governor_per_policy(void); #ifdef CONFIG_CPU_FREQ /* query the current CPU frequency (in kHz). If zero, cpufreq couldn't detect it */ diff --git a/include/linux/cpuidle.h b/include/linux/cpuidle.h index 480c14dc1dd..3c86faa5979 100644 --- a/include/linux/cpuidle.h +++ b/include/linux/cpuidle.h @@ -57,6 +57,7 @@ struct cpuidle_state { /* Idle State Flags */ #define CPUIDLE_FLAG_TIME_VALID (0x01) /* is residency time measurable? */ #define CPUIDLE_FLAG_COUPLED (0x02) /* state applies to multiple cpus */ +#define CPUIDLE_FLAG_TIMER_STOP (0x04) /* timer is stopped on this state */ #define CPUIDLE_DRIVER_FLAGS_MASK (0xFFFF0000) @@ -104,8 +105,8 @@ struct cpuidle_driver { struct module *owner; int refcnt; - /* set to 1 to use the core cpuidle time keeping (for all states). */ - unsigned int en_core_tk_irqen:1; + /* used by the cpuidle framework to setup the broadcast timer */ + unsigned int bctimer:1; /* states array must be ordered in decreasing power consumption */ struct cpuidle_state states[CPUIDLE_STATE_MAX]; int state_count; @@ -122,17 +123,15 @@ extern void cpuidle_driver_unref(void); extern void cpuidle_unregister_driver(struct cpuidle_driver *drv); extern int cpuidle_register_device(struct cpuidle_device *dev); extern void cpuidle_unregister_device(struct cpuidle_device *dev); - +extern int cpuidle_register(struct cpuidle_driver *drv, + const struct cpumask *const coupled_cpus); +extern void cpuidle_unregister(struct cpuidle_driver *drv); extern void cpuidle_pause_and_lock(void); extern void cpuidle_resume_and_unlock(void); extern void cpuidle_pause(void); extern void cpuidle_resume(void); extern int cpuidle_enable_device(struct cpuidle_device *dev); extern void cpuidle_disable_device(struct cpuidle_device *dev); -extern int cpuidle_wrap_enter(struct cpuidle_device *dev, - struct cpuidle_driver *drv, int index, - int (*enter)(struct cpuidle_device *dev, - struct cpuidle_driver *drv, int index)); extern int cpuidle_play_dead(void); extern struct cpuidle_driver *cpuidle_get_cpu_driver(struct cpuidle_device *dev); @@ -151,7 +150,10 @@ static inline void cpuidle_unregister_driver(struct cpuidle_driver *drv) { } static inline int cpuidle_register_device(struct cpuidle_device *dev) {return -ENODEV; } static inline void cpuidle_unregister_device(struct cpuidle_device *dev) { } - +static inline int cpuidle_register(struct cpuidle_driver *drv, + const struct cpumask *const coupled_cpus) +{return -ENODEV; } +static inline void cpuidle_unregister(struct cpuidle_driver *drv) { } static inline void cpuidle_pause_and_lock(void) { } static inline void cpuidle_resume_and_unlock(void) { } static inline void cpuidle_pause(void) { } @@ -159,11 +161,6 @@ static inline void cpuidle_resume(void) { } static inline int cpuidle_enable_device(struct cpuidle_device *dev) {return -ENODEV; } static inline void cpuidle_disable_device(struct cpuidle_device *dev) { } -static inline int cpuidle_wrap_enter(struct cpuidle_device *dev, - struct cpuidle_driver *drv, int index, - int (*enter)(struct cpuidle_device *dev, - struct cpuidle_driver *drv, int index)) -{ return -ENODEV; } static inline int cpuidle_play_dead(void) {return -ENODEV; } #endif diff --git a/include/linux/platform_data/clk-lpss.h b/include/linux/platform_data/clk-lpss.h new file mode 100644 index 00000000000..528e73ce46d --- /dev/null +++ b/include/linux/platform_data/clk-lpss.h @@ -0,0 +1,18 @@ +/* + * Intel Low Power Subsystem clocks. + * + * Copyright (C) 2013, Intel Corporation + * Authors: Mika Westerberg <mika.westerberg@linux.intel.com> + * Rafael J. Wysocki <rafael.j.wysocki@intel.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ + +#ifndef __CLK_LPSS_H +#define __CLK_LPSS_H + +extern int lpt_clk_init(void); + +#endif /* __CLK_LPSS_H */ |