scx200_hrt.c File Reference

#include <linux/clocksource.h>
#include <linux/init.h>
#include <linux/module.h>
#include <linux/ioport.h>
#include <linux/scx200.h>

Go to the source code of this file.

Macros
#define	NAME   "scx200_hrt"
#define	SCx200_TMCNFG_OFFSET   (SCx200_TIMER_OFFSET + 5)
#define	HR_TMEN   (1 << 0) /* timer interrupt enable */
#define	HR_TMCLKSEL   (1 << 1) /* 1|0 counts at 27|1 MHz */
#define	HR_TM27MPD   (1 << 2) /* 1 turns off input clock (power-down) */
#define	HRT_FREQ   1000000

Functions
	module_param (mhz27, int, 0)
	MODULE_PARM_DESC (mhz27,"count at 27.0 MHz (default is 1.0 MHz)")
	module_param (ppm, int, 0)
	MODULE_PARM_DESC (ppm,"+-adjust to actual XO freq (ppm)")
	module_init (init_hrt_clocksource)
	MODULE_AUTHOR ("Jim Cromie <[email protected]>")
	MODULE_DESCRIPTION ("clocksource on SCx200 HiRes Timer")
	MODULE_LICENSE ("GPL")

Macro Definition Documentation

#define HR_TM27MPD   (1 << 2) /* 1 turns off input clock (power-down) */

Definition at line 41 of file scx200_hrt.c.

#define HR_TMCLKSEL   (1 << 1) /* 1|0 counts at 27|1 MHz */

Definition at line 40 of file scx200_hrt.c.

#define HR_TMEN   (1 << 0) /* timer interrupt enable */

Definition at line 39 of file scx200_hrt.c.

#define HRT_FREQ   1000000

Definition at line 44 of file scx200_hrt.c.

#define NAME   "scx200_hrt"

Definition at line 25 of file scx200_hrt.c.

#define SCx200_TMCNFG_OFFSET   (SCx200_TIMER_OFFSET + 5)

Definition at line 36 of file scx200_hrt.c.

Function Documentation

MODULE_AUTHOR

(

"Jim Cromie <[email protected]>"

)

MODULE_DESCRIPTION

(

"clocksource on SCx200 HiRes Timer"

)

module_init

(

init_hrt_clocksource

)

MODULE_LICENSE

(

"GPL"

)

module_param	(	mhz27	,
		int	,
		0
	)

module_param	(	ppm	,
		int	,
		0
	)

MODULE_PARM_DESC	(	mhz27	,
		"count at 27.0 MHz (default is 1.0 MHz)"
	)

MODULE_PARM_DESC	(	ppm	,
		"+-adjust to actual XO freq (ppm)"
	)