gpio-ich.c File Reference

#include <linux/module.h>
#include <linux/pci.h>
#include <linux/gpio.h>
#include <linux/platform_device.h>
#include <linux/mfd/lpc_ich.h>

Go to the source code of this file.

Data Structures
struct	ichx_desc

Macros
#define	pr_fmt(fmt)   KBUILD_MODNAME ": " fmt
#define	DRV_NAME   "gpio_ich"
#define	ICHX_WRITE(val, reg, base_res)   outl(val, (reg) + (base_res)->start)
#define	ICHX_READ(reg, base_res)   inl((reg) + (base_res)->start)

Enumerations
enum	GPIO_REG {   GPIO_USE_SEL = 0, GPIO_IO_SEL, GPIO_LVL, GPLR = 0,   GPDR, GPSR, GPCR, GRER,   GFER, GEDR, GAFR }

Functions
	module_param_named (gpiobase, modparam_gpiobase, int, 0444)
	MODULE_PARM_DESC (gpiobase,"The GPIO number base. -1 means dynamic, ""which is the default.")
	module_platform_driver (ichx_gpio_driver)
	MODULE_AUTHOR ("Peter Tyser <[email protected]>")
	MODULE_DESCRIPTION ("GPIO interface for Intel ICH series")
	MODULE_LICENSE ("GPL")
	MODULE_ALIAS ("platform:"DRV_NAME)

Macro Definition Documentation

#define DRV_NAME   "gpio_ich"

Definition at line 29 of file gpio-ich.c.

#define ICHX_READ	(		reg,
			base_res
	)		inl((reg) + (base_res)->start)

Definition at line 57 of file gpio-ich.c.

#define ICHX_WRITE	(		val,
			reg,
			base_res
	)		outl(val, (reg) + (base_res)->start)

Definition at line 56 of file gpio-ich.c.

#define pr_fmt

(

fmt

)

KBUILD_MODNAME ": " fmt

Definition at line 21 of file gpio-ich.c.

Enumeration Type Documentation

enum GPIO_REG

Enumerator:

GPIO_USE_SEL
GPIO_IO_SEL
GPIO_LVL
GPLR
GPDR
GPSR
GPCR
GRER
GFER
GEDR
GAFR

Definition at line 40 of file gpio-ich.c.

Function Documentation

MODULE_ALIAS

(

"platform:"

DRV_NAME

)

MODULE_AUTHOR

(

"Peter Tyser <[email protected]>"

)

MODULE_DESCRIPTION

(

"GPIO interface for Intel ICH series"

)

MODULE_LICENSE

(

"GPL"

)

module_param_named	(	gpiobase	,
		modparam_gpiobase	,
		int	,
		0444
	)

MODULE_PARM_DESC	(	gpiobase	,
		"The GPIO number base. -1 means	dynamic,
		""which is the default."
	)

module_platform_driver

(

ichx_gpio_driver

)

Variable Documentation

struct gpio_chip chip

Definition at line 77 of file gpio-ich.c.

struct ipr_hostrcb64_fabric_desc desc

Definition at line 80 of file gpio-ich.c.

struct platform_device* dev

Definition at line 76 of file gpio-ich.c.

struct resource* gpio_base

Definition at line 78 of file gpio-ich.c.

spinlock_t lock

Definition at line 75 of file gpio-ich.c.

u32 orig_gpio_ctrl

Definition at line 81 of file gpio-ich.c.

struct resource* pm_base

Definition at line 79 of file gpio-ich.c.

u8 use_gpio

Definition at line 82 of file gpio-ich.c.