diff options
Diffstat (limited to 'ANDROID_3.4.5/include/linux/clockchips.h')
| -rw-r--r-- | ANDROID_3.4.5/include/linux/clockchips.h | 170 |
1 files changed, 0 insertions, 170 deletions
diff --git a/ANDROID_3.4.5/include/linux/clockchips.h b/ANDROID_3.4.5/include/linux/clockchips.h deleted file mode 100644 index 81e803e9..00000000 --- a/ANDROID_3.4.5/include/linux/clockchips.h +++ /dev/null @@ -1,170 +0,0 @@ -/* linux/include/linux/clockchips.h - * - * This file contains the structure definitions for clockchips. - * - * If you are not a clockchip, or the time of day code, you should - * not be including this file! - */ -#ifndef _LINUX_CLOCKCHIPS_H -#define _LINUX_CLOCKCHIPS_H - -#ifdef CONFIG_GENERIC_CLOCKEVENTS_BUILD - -#include <linux/clocksource.h> -#include <linux/cpumask.h> -#include <linux/ktime.h> -#include <linux/notifier.h> - -struct clock_event_device; - -/* Clock event mode commands */ -enum clock_event_mode { - CLOCK_EVT_MODE_UNUSED = 0, - CLOCK_EVT_MODE_SHUTDOWN, - CLOCK_EVT_MODE_PERIODIC, - CLOCK_EVT_MODE_ONESHOT, - 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 - */ -#define CLOCK_EVT_FEAT_PERIODIC 0x000001 -#define CLOCK_EVT_FEAT_ONESHOT 0x000002 -#define CLOCK_EVT_FEAT_KTIME 0x000004 -/* - * x86(64) specific misfeatures: - * - * - Clockevent source stops in C3 State and needs broadcast support. - * - Local APIC timer is used as a dummy device. - */ -#define CLOCK_EVT_FEAT_C3STOP 0x000008 -#define CLOCK_EVT_FEAT_DUMMY 0x000010 - -/** - * struct clock_event_device - clock event device descriptor - * @event_handler: Assigned by the framework to be called by the low - * level handler of the event source - * @set_next_event: set next event function using a clocksource delta - * @set_next_ktime: set next event function using a direct ktime value - * @next_event: local storage for the next event in oneshot mode - * @max_delta_ns: maximum delta value in ns - * @min_delta_ns: minimum delta value in ns - * @mult: nanosecond to cycles multiplier - * @shift: nanoseconds to cycles divisor (power of two) - * @mode: operating mode assigned by the management code - * @features: features - * @retries: number of forced programming retries - * @set_mode: set mode function - * @broadcast: function to broadcast events - * @min_delta_ticks: minimum delta value in ticks stored for reconfiguration - * @max_delta_ticks: maximum delta value in ticks stored for reconfiguration - * @name: ptr to clock event name - * @rating: variable to rate clock event devices - * @irq: IRQ number (only for non CPU local devices) - * @cpumask: cpumask to indicate for which CPUs this device works - * @list: list head for the management code - */ -struct clock_event_device { - void (*event_handler)(struct clock_event_device *); - int (*set_next_event)(unsigned long evt, - struct clock_event_device *); - int (*set_next_ktime)(ktime_t expires, - struct clock_event_device *); - ktime_t next_event; - u64 max_delta_ns; - u64 min_delta_ns; - u32 mult; - u32 shift; - enum clock_event_mode mode; - unsigned int features; - unsigned long retries; - - void (*broadcast)(const struct cpumask *mask); - void (*set_mode)(enum clock_event_mode mode, - struct clock_event_device *); - unsigned long min_delta_ticks; - unsigned long max_delta_ticks; - - const char *name; - int rating; - int irq; - const struct cpumask *cpumask; - struct list_head list; -} ____cacheline_aligned; - -/* - * Calculate a multiplication factor for scaled math, which is used to convert - * nanoseconds based values to clock ticks: - * - * clock_ticks = (nanoseconds * factor) >> shift. - * - * div_sc is the rearranged equation to calculate a factor from a given clock - * ticks / nanoseconds ratio: - * - * factor = (clock_ticks << shift) / nanoseconds - */ -static inline unsigned long div_sc(unsigned long ticks, unsigned long nsec, - int shift) -{ - uint64_t tmp = ((uint64_t)ticks) << shift; - - do_div(tmp, nsec); - return (unsigned long) tmp; -} - -/* Clock event layer functions */ -extern u64 clockevent_delta2ns(unsigned long latch, - struct clock_event_device *evt); -extern void clockevents_register_device(struct clock_event_device *dev); - -extern void clockevents_config_and_register(struct clock_event_device *dev, - u32 freq, unsigned long min_delta, - unsigned long max_delta); - -extern int clockevents_update_freq(struct clock_event_device *ce, u32 freq); - -extern void clockevents_exchange_device(struct clock_event_device *old, - struct clock_event_device *new); -extern void clockevents_set_mode(struct clock_event_device *dev, - enum clock_event_mode mode); -extern int clockevents_register_notifier(struct notifier_block *nb); -extern int clockevents_program_event(struct clock_event_device *dev, - ktime_t expires, bool force); - -extern void clockevents_handle_noop(struct clock_event_device *dev); - -static inline void -clockevents_calc_mult_shift(struct clock_event_device *ce, u32 freq, u32 minsec) -{ - return clocks_calc_mult_shift(&ce->mult, &ce->shift, NSEC_PER_SEC, - freq, minsec); -} - -#ifdef CONFIG_GENERIC_CLOCKEVENTS -extern void clockevents_notify(unsigned long reason, void *arg); -#else -# define clockevents_notify(reason, arg) do { } while (0) -#endif - -#else /* CONFIG_GENERIC_CLOCKEVENTS_BUILD */ - -#define clockevents_notify(reason, arg) do { } while (0) - -#endif - -#endif |