gx-suspmod.c File Reference

#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/init.h>
#include <linux/smp.h>
#include <linux/cpufreq.h>
#include <linux/pci.h>
#include <linux/errno.h>
#include <linux/slab.h>
#include <asm/cpu_device_id.h>
#include <asm/processor-cyrix.h>

Go to the source code of this file.

Data Structures
struct	gxfreq_params

Macros
#define	PCI_PMER1   0x80 /* power management enable register 1 */
#define	PCI_PMER2   0x81 /* power management enable register 2 */
#define	PCI_PMER3   0x82 /* power management enable register 3 */
#define	PCI_IRQTC   0x8c /* irq speedup timer counter register:typical 2 to 4ms */
#define	PCI_VIDTC   0x8d /* video speedup timer counter register: typical 50 to 100ms */
#define	PCI_MODOFF   0x94 /* suspend modulation OFF counter register, 1 = 32us */
#define	PCI_MODON   0x95 /* suspend modulation ON counter register */
#define	PCI_SUSCFG   0x96 /* suspend configuration register */
#define	GPM   (1<<0) /* global power management */
#define	GIT   (1<<1) /* globally enable PM device idle timers */
#define	GTR   (1<<2) /* globally enable IO traps */
#define	IRQ_SPDUP   (1<<3) /* disable clock throttle during interrupt handling */
#define	VID_SPDUP   (1<<4) /* disable clock throttle during vga video handling */
#define	SUSMOD   (1<<0) /* enable/disable suspend modulation */
#define	SMISPDUP   (1<<1) /* select how SMI re-enable suspend modulation: */
#define	SUSCFG   (1<<2) /* enable powering down a GXLV processor. "Special 3Volt Suspend" mode */
#define	PWRSVE_ISA   (1<<3) /* stop ISA clock */
#define	PWRSVE   (1<<4) /* active idle */
#define	POLICY_MIN_DIV   20

Functions
	module_param (pci_busclk, int, 0444)
	module_param (max_duration, int, 0444)
	MODULE_DEVICE_TABLE (pci, gx_chipset_tbl)
	MODULE_AUTHOR ("Hiroshi Miura <miura@da-cha.org>")
	MODULE_DESCRIPTION ("Cpufreq driver for Cyrix MediaGX and NatSemi Geode")
	MODULE_LICENSE ("GPL")
	module_init (cpufreq_gx_init)
	module_exit (cpufreq_gx_exit)

Macro Definition Documentation

#define GIT   (1<<1) /* globally enable PM device idle timers */

Definition at line 100 of file gx-suspmod.c.

#define GPM   (1<<0) /* global power management */

Definition at line 99 of file gx-suspmod.c.

#define GTR   (1<<2) /* globally enable IO traps */

Definition at line 101 of file gx-suspmod.c.

#define IRQ_SPDUP   (1<<3) /* disable clock throttle during interrupt handling */

Definition at line 102 of file gx-suspmod.c.

#define PCI_IRQTC   0x8c /* irq speedup timer counter register:typical 2 to 4ms */

Definition at line 92 of file gx-suspmod.c.

#define PCI_MODOFF   0x94 /* suspend modulation OFF counter register, 1 = 32us */

Definition at line 94 of file gx-suspmod.c.

#define PCI_MODON   0x95 /* suspend modulation ON counter register */

Definition at line 95 of file gx-suspmod.c.

#define PCI_PMER1   0x80 /* power management enable register 1 */

Definition at line 89 of file gx-suspmod.c.

#define PCI_PMER2   0x81 /* power management enable register 2 */

Definition at line 90 of file gx-suspmod.c.

#define PCI_PMER3   0x82 /* power management enable register 3 */

Definition at line 91 of file gx-suspmod.c.

#define PCI_SUSCFG   0x96 /* suspend configuration register */

Definition at line 96 of file gx-suspmod.c.

#define PCI_VIDTC   0x8d /* video speedup timer counter register: typical 50 to 100ms */

Definition at line 93 of file gx-suspmod.c.

#define POLICY_MIN_DIV   20

Definition at line 143 of file gx-suspmod.c.

#define PWRSVE   (1<<4) /* active idle */

Definition at line 113 of file gx-suspmod.c.

#define PWRSVE_ISA   (1<<3) /* stop ISA clock */

Definition at line 112 of file gx-suspmod.c.

#define SMISPDUP   (1<<1) /* select how SMI re-enable suspend modulation: */

Definition at line 108 of file gx-suspmod.c.

#define SUSCFG   (1<<2) /* enable powering down a GXLV processor. "Special 3Volt Suspend" mode */

Definition at line 110 of file gx-suspmod.c.

#define SUSMOD   (1<<0) /* enable/disable suspend modulation */

Definition at line 106 of file gx-suspmod.c.

#define VID_SPDUP   (1<<4) /* disable clock throttle during vga video handling */

Definition at line 103 of file gx-suspmod.c.

Function Documentation

MODULE_AUTHOR

(

"Hiroshi Miura <miura@da-cha.org>"

)

MODULE_DESCRIPTION

(

"Cpufreq driver for Cyrix MediaGX and NatSemi Geode"

)

MODULE_DEVICE_TABLE	(	pci	,
		gx_chipset_tbl
	)

module_exit

(

cpufreq_gx_exit

)

module_init

(

cpufreq_gx_init

)

MODULE_LICENSE

(

"GPL"

)

module_param	(	pci_busclk	,
		int	,
		0444
	)

module_param	(	max_duration	,
		int	,
		0444
	)