Initial commit from HTC m7ul-3.4.10-jb-crc-ddcfb8c
diff --git a/include/linux/clocksource.h b/include/linux/clocksource.h
new file mode 100644
index 0000000..96cdf5b
--- /dev/null
+++ b/include/linux/clocksource.h
@@ -0,0 +1,183 @@
+#ifndef _LINUX_CLOCKSOURCE_H
+#define _LINUX_CLOCKSOURCE_H
+
+#include <linux/types.h>
+#include <linux/timex.h>
+#include <linux/time.h>
+#include <linux/list.h>
+#include <linux/cache.h>
+#include <linux/timer.h>
+#include <linux/init.h>
+#include <asm/div64.h>
+#include <asm/io.h>
+
+typedef u64 cycle_t;
+struct clocksource;
+
+#ifdef CONFIG_ARCH_CLOCKSOURCE_DATA
+#include <asm/clocksource.h>
+#endif
+
+struct cyclecounter {
+ cycle_t (*read)(const struct cyclecounter *cc);
+ cycle_t mask;
+ u32 mult;
+ u32 shift;
+};
+
+struct timecounter {
+ const struct cyclecounter *cc;
+ cycle_t cycle_last;
+ u64 nsec;
+};
+
+static inline u64 cyclecounter_cyc2ns(const struct cyclecounter *cc,
+ cycle_t cycles)
+{
+ u64 ret = (u64)cycles;
+ ret = (ret * cc->mult) >> cc->shift;
+ return ret;
+}
+
+extern void timecounter_init(struct timecounter *tc,
+ const struct cyclecounter *cc,
+ u64 start_tstamp);
+
+extern u64 timecounter_read(struct timecounter *tc);
+
+extern u64 timecounter_cyc2time(struct timecounter *tc,
+ cycle_t cycle_tstamp);
+
+struct clocksource {
+ cycle_t (*read)(struct clocksource *cs);
+ cycle_t cycle_last;
+ cycle_t mask;
+ u32 mult;
+ u32 shift;
+ u64 max_idle_ns;
+ u32 maxadj;
+#ifdef CONFIG_ARCH_CLOCKSOURCE_DATA
+ struct arch_clocksource_data archdata;
+#endif
+
+ const char *name;
+ struct list_head list;
+ int rating;
+ int (*enable)(struct clocksource *cs);
+ void (*disable)(struct clocksource *cs);
+ unsigned long flags;
+ void (*suspend)(struct clocksource *cs);
+ void (*resume)(struct clocksource *cs);
+
+
+#ifdef CONFIG_CLOCKSOURCE_WATCHDOG
+
+ struct list_head wd_list;
+ cycle_t cs_last;
+ cycle_t wd_last;
+#endif
+} ____cacheline_aligned;
+
+#define CLOCK_SOURCE_IS_CONTINUOUS 0x01
+#define CLOCK_SOURCE_MUST_VERIFY 0x02
+
+#define CLOCK_SOURCE_WATCHDOG 0x10
+#define CLOCK_SOURCE_VALID_FOR_HRES 0x20
+#define CLOCK_SOURCE_UNSTABLE 0x40
+
+#define CLOCKSOURCE_MASK(bits) (cycle_t)((bits) < 64 ? ((1ULL<<(bits))-1) : -1)
+
+static inline u32 clocksource_khz2mult(u32 khz, u32 shift_constant)
+{
+ u64 tmp = ((u64)1000000) << shift_constant;
+
+ tmp += khz/2;
+ do_div(tmp, khz);
+
+ return (u32)tmp;
+}
+
+static inline u32 clocksource_hz2mult(u32 hz, u32 shift_constant)
+{
+ u64 tmp = ((u64)1000000000) << shift_constant;
+
+ tmp += hz/2;
+ do_div(tmp, hz);
+
+ return (u32)tmp;
+}
+
+static inline s64 clocksource_cyc2ns(cycle_t cycles, u32 mult, u32 shift)
+{
+ return ((u64) cycles * mult) >> shift;
+}
+
+
+extern int clocksource_register(struct clocksource*);
+extern void clocksource_unregister(struct clocksource*);
+extern void clocksource_touch_watchdog(void);
+extern struct clocksource* clocksource_get_next(void);
+extern void clocksource_change_rating(struct clocksource *cs, int rating);
+extern void clocksource_suspend(void);
+extern void clocksource_resume(void);
+extern struct clocksource * __init __weak clocksource_default_clock(void);
+extern void clocksource_mark_unstable(struct clocksource *cs);
+
+extern void
+clocks_calc_mult_shift(u32 *mult, u32 *shift, u32 from, u32 to, u32 minsec);
+
+extern int
+__clocksource_register_scale(struct clocksource *cs, u32 scale, u32 freq);
+extern void
+__clocksource_updatefreq_scale(struct clocksource *cs, u32 scale, u32 freq);
+
+static inline int clocksource_register_hz(struct clocksource *cs, u32 hz)
+{
+ return __clocksource_register_scale(cs, 1, hz);
+}
+
+static inline int clocksource_register_khz(struct clocksource *cs, u32 khz)
+{
+ return __clocksource_register_scale(cs, 1000, khz);
+}
+
+static inline void __clocksource_updatefreq_hz(struct clocksource *cs, u32 hz)
+{
+ __clocksource_updatefreq_scale(cs, 1, hz);
+}
+
+static inline void __clocksource_updatefreq_khz(struct clocksource *cs, u32 khz)
+{
+ __clocksource_updatefreq_scale(cs, 1000, khz);
+}
+
+#ifdef CONFIG_GENERIC_TIME_VSYSCALL
+extern void
+update_vsyscall(struct timespec *ts, struct timespec *wtm,
+ struct clocksource *c, u32 mult);
+extern void update_vsyscall_tz(void);
+#else
+static inline void
+update_vsyscall(struct timespec *ts, struct timespec *wtm,
+ struct clocksource *c, u32 mult)
+{
+}
+
+static inline void update_vsyscall_tz(void)
+{
+}
+#endif
+
+extern void timekeeping_notify(struct clocksource *clock);
+
+extern cycle_t clocksource_mmio_readl_up(struct clocksource *);
+extern cycle_t clocksource_mmio_readl_down(struct clocksource *);
+extern cycle_t clocksource_mmio_readw_up(struct clocksource *);
+extern cycle_t clocksource_mmio_readw_down(struct clocksource *);
+
+extern int clocksource_mmio_init(void __iomem *, const char *,
+ unsigned long, int, unsigned, cycle_t (*)(struct clocksource *));
+
+extern int clocksource_i8253_init(void);
+
+#endif