hpet.c File Reference

#include <linux/clocksource.h>
#include <linux/clockchips.h>
#include <linux/interrupt.h>
#include <linux/export.h>
#include <linux/delay.h>
#include <linux/errno.h>
#include <linux/i8253.h>
#include <linux/slab.h>
#include <linux/hpet.h>
#include <linux/init.h>
#include <linux/cpu.h>
#include <linux/pm.h>
#include <linux/io.h>
#include <asm/fixmap.h>
#include <asm/hpet.h>
#include <asm/time.h>

Go to the source code of this file.

Data Structures
struct	hpet_dev

Macros
#define	HPET_MASK   CLOCKSOURCE_MASK(32)
#define	FSEC_PER_NSEC   1000000L
#define	HPET_DEV_USED_BIT   2
#define	HPET_DEV_USED   (1 << HPET_DEV_USED_BIT)
#define	HPET_DEV_VALID   0x8
#define	HPET_DEV_FSB_CAP   0x1000
#define	HPET_DEV_PERI_CAP   0x2000
#define	HPET_MIN_CYCLES   128
#define	HPET_MIN_PROG_DELTA   (HPET_MIN_CYCLES + (HPET_MIN_CYCLES >> 1))
#define	hpet_print_config()

Functions
struct hpet_dev *	EVT_TO_HPET_DEV (struct clock_event_device *evtdev)
unsigned int	hpet_readl (unsigned int a)
	__setup ("hpet=", hpet_setup)
	__setup ("nohpet", disable_hpet)
int	is_hpet_enabled (void)
	EXPORT_SYMBOL_GPL (is_hpet_enabled)
int __init	hpet_enable (void)
	fs_initcall (hpet_late_init)
void	hpet_disable (void)

Variables
unsigned long	hpet_address
u8	hpet_blockid
u8	hpet_msi_disable
int	hpet_force_user

Macro Definition Documentation

#define FSEC_PER_NSEC   1000000L

Definition at line 23 of file hpet.c.

#define HPET_DEV_FSB_CAP   0x1000

Definition at line 28 of file hpet.c.

#define HPET_DEV_PERI_CAP   0x2000

Definition at line 29 of file hpet.c.

#define HPET_DEV_USED   (1 << HPET_DEV_USED_BIT)

Definition at line 26 of file hpet.c.

#define HPET_DEV_USED_BIT   2

Definition at line 25 of file hpet.c.

#define HPET_DEV_VALID   0x8

Definition at line 27 of file hpet.c.

#define HPET_MASK   CLOCKSOURCE_MASK(32)

Definition at line 19 of file hpet.c.

#define HPET_MIN_CYCLES   128

Definition at line 31 of file hpet.c.

#define HPET_MIN_PROG_DELTA   (HPET_MIN_CYCLES + (HPET_MIN_CYCLES >> 1))

Definition at line 32 of file hpet.c.

#define hpet_print_config

(

)

Value:

do {                                \
    if (hpet_verbose)                   \
        _hpet_print_config(__FUNCTION__, __LINE__); \
} while (0)

Definition at line 171 of file hpet.c.

Function Documentation

__setup

(

)

__setup	(	"nohpet"	,
		disable_hpet
	)

struct hpet_dev* EVT_TO_HPET_DEV ( struct clock_event_device *  evtdev )

read

Definition at line 55 of file hpet.c.

EXPORT_SYMBOL_GPL

(

is_hpet_enabled

)

fs_initcall

(

hpet_late_init

)

void hpet_disable

(

void

)

Definition at line 957 of file hpet.c.

int __init hpet_enable

(

void

)

hpet_enable - Try to setup the HPET timer. Returns 1 on success.

Definition at line 798 of file hpet.c.

unsigned int hpet_readl ( unsigned int  a )

inline

Definition at line 60 of file hpet.c.

int is_hpet_enabled

(

void

)

is_hpet_enabled - check whether the hpet timer interrupt is enabled

Definition at line 134 of file hpet.c.

Variable Documentation

unsigned long hpet_address

Definition at line 37 of file hpet.c.

u8 hpet_blockid

Definition at line 38 of file hpet.c.

int hpet_force_user

Definition at line 92 of file hpet.c.

u8 hpet_msi_disable

Definition at line 39 of file hpet.c.