fasttimer.c File Reference

#include <linux/errno.h>
#include <linux/sched.h>
#include <linux/kernel.h>
#include <linux/param.h>
#include <linux/string.h>
#include <linux/mm.h>
#include <linux/vmalloc.h>
#include <linux/interrupt.h>
#include <linux/time.h>
#include <linux/delay.h>
#include <asm/segment.h>
#include <asm/io.h>
#include <asm/irq.h>
#include <asm/delay.h>
#include <arch/svinto.h>
#include <asm/fasttimer.h>
#include <linux/proc_fs.h>

Go to the source code of this file.

Macros
#define	DEBUG_LOG_INCLUDED
#define	FAST_TIMER_LOG
#define	FAST_TIMER_SANITY_CHECKS
#define	D1(x)
#define	D2(x)
#define	DP(x)
#define	DEBUG_LOG_MAX   128
#define	DEBUG_LOG(string, value)
#define	NUM_TIMER_FREQ   15
#define	MAX_USABLE_TIMER_FREQ   7
#define	MAX_DELAY_US   853333L
#define	NUM_TIMER_STATS   16

Functions
void	do_gettimeofday_fast (struct fasttime_t *tv)
int	fasttime_cmp (struct fasttime_t *t0, struct fasttime_t *t1)
void	start_timer1 (unsigned long delay_us)
void	start_one_shot_timer (struct fast_timer *t, fast_timer_function_type *function, unsigned long data, unsigned long delay_us, const char *name)
int	del_fast_timer (struct fast_timer *t)
void	schedule_usleep (unsigned long us)
int	fast_timer_init (void)
	__initcall (fast_timer_init)

Variables
struct fast_timer *	fast_timer_list = NULL
const unsigned long	timer_freq_100 [NUM_TIMER_FREQ]
struct fast_timer	timer_added_log [NUM_TIMER_STATS]
struct fast_timer	timer_started_log [NUM_TIMER_STATS]
struct fast_timer	timer_expired_log [NUM_TIMER_STATS]
int	timer_div_settings [NUM_TIMER_STATS]
int	timer_freq_settings [NUM_TIMER_STATS]
int	timer_delay_settings [NUM_TIMER_STATS]

Macro Definition Documentation

#define D1

(

x

)

Definition at line 40 of file fasttimer.c.

#define D2

(

x

)

Definition at line 41 of file fasttimer.c.

#define DEBUG_LOG	(		string,
			value
	)

Value:

{ \
  unsigned long log_flags; \
  local_irq_save(log_flags); \
  debug_log_string[debug_log_cnt] = (string); \
  debug_log_value[debug_log_cnt] = (unsigned long)(value); \
  if (++debug_log_cnt >= DEBUG_LOG_MAX) \
  { \
    debug_log_cnt = debug_log_cnt % DEBUG_LOG_MAX; \
    debug_log_cnt_wrapped = 1; \
  } \
  local_irq_restore(log_flags); \
}

Definition at line 61 of file fasttimer.c.

#define DEBUG_LOG_INCLUDED

Definition at line 30 of file fasttimer.c.

#define DEBUG_LOG_MAX   128

Definition at line 55 of file fasttimer.c.

#define DP

(

x

)

Definition at line 42 of file fasttimer.c.

#define FAST_TIMER_LOG

Definition at line 31 of file fasttimer.c.

#define FAST_TIMER_SANITY_CHECKS

Definition at line 34 of file fasttimer.c.

#define MAX_DELAY_US   853333L

Definition at line 82 of file fasttimer.c.

#define MAX_USABLE_TIMER_FREQ   7

Definition at line 81 of file fasttimer.c.

#define NUM_TIMER_FREQ   15

Definition at line 80 of file fasttimer.c.

#define NUM_TIMER_STATS   16

Definition at line 102 of file fasttimer.c.

Function Documentation

__initcall

(

fast_timer_init

)

int del_fast_timer

(

struct fast_timer *

t

)

Definition at line 315 of file fasttimer.c.

void do_gettimeofday_fast ( struct fasttime_t *  tv )

inline

Definition at line 114 of file fasttimer.c.

int fast_timer_init

(

void

)

Definition at line 841 of file fasttimer.c.

int fasttime_cmp ( struct fasttime_t *  t0, struct fasttime_t *  t1  )

inline

Definition at line 120 of file fasttimer.c.

void schedule_usleep

(

unsigned long

us

)

Definition at line 475 of file fasttimer.c.

void start_one_shot_timer	(	struct fast_timer *	t,
		fast_timer_function_type *	function,
		unsigned long	data,
		unsigned long	delay_us,
		const char *	name
	)

Definition at line 208 of file fasttimer.c.

void start_timer1 ( unsigned long  delay_us )

inline

Definition at line 136 of file fasttimer.c.

Variable Documentation

struct fast_timer* fast_timer_list = NULL

Definition at line 52 of file fasttimer.c.

struct fast_timer timer_added_log[NUM_TIMER_STATS]

Definition at line 104 of file fasttimer.c.

int timer_delay_settings[NUM_TIMER_STATS]

Definition at line 111 of file fasttimer.c.

int timer_div_settings[NUM_TIMER_STATS]

Definition at line 109 of file fasttimer.c.

struct fast_timer timer_expired_log[NUM_TIMER_STATS]

Definition at line 106 of file fasttimer.c.

const unsigned long timer_freq_100[NUM_TIMER_FREQ]

Initial value:

=
{
  3,   
  6,   
  12,  
  24,  
  48,  
  96,  
  192, 
  384, 
  576,
  1152,
  2304,
  4608,
  9216,
  18432,
  62500,
  
}

Definition at line 83 of file fasttimer.c.

int timer_freq_settings[NUM_TIMER_STATS]

Definition at line 110 of file fasttimer.c.

struct fast_timer timer_started_log[NUM_TIMER_STATS]

Definition at line 105 of file fasttimer.c.