pc8736x_gpio.c File Reference

#include <linux/fs.h>
#include <linux/module.h>
#include <linux/errno.h>
#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/cdev.h>
#include <linux/io.h>
#include <linux/ioport.h>
#include <linux/mutex.h>
#include <linux/nsc_gpio.h>
#include <linux/platform_device.h>
#include <asm/uaccess.h>

Go to the source code of this file.

Macros
#define	DEVNAME   "pc8736x_gpio"
#define	SIO_BASE1   0x2E /* 1st command-reg to check */
#define	SIO_BASE2   0x4E /* alt command-reg to check */
#define	SIO_SID   0x20 /* SuperI/O ID Register */
#define	SIO_SID_PC87365   0xe5 /* Expected value in ID Register for PC87365 */
#define	SIO_SID_PC87366   0xe9 /* Expected value in ID Register for PC87366 */
#define	SIO_CF1   0x21 /* chip config, bit0 is chip enable */
#define	PC8736X_GPIO_RANGE   16 /* ioaddr range */
#define	PC8736X_GPIO_CT   32 /* minors matching 4 8 bit ports */
#define	SIO_UNIT_SEL   0x7 /* unit select reg */
#define	SIO_UNIT_ACT   0x30 /* unit enable */
#define	SIO_GPIO_UNIT   0x7 /* unit number of GPIO */
#define	SIO_VLM_UNIT   0x0D
#define	SIO_TMS_UNIT   0x0E
#define	SIO_BASE_HADDR   0x60
#define	SIO_BASE_LADDR   0x61
#define	SIO_GPIO_PIN_SELECT   0xF0
#define	SIO_GPIO_PIN_CONFIG   0xF1
#define	SIO_GPIO_PIN_EVENT   0xF2
#define	PORT_OUT   0
#define	PORT_IN   1
#define	PORT_EVT_EN   2
#define	PORT_EVT_STST   3

Functions
	MODULE_AUTHOR ("Jim Cromie <jim.cromie@gmail.com>")
	MODULE_DESCRIPTION ("NatSemi/Winbond PC-8736x GPIO Pin Driver")
	MODULE_LICENSE ("GPL")
	module_param (major, int, 0)
	MODULE_PARM_DESC (major,"Major device number")
	module_init (pc8736x_gpio_init)
	module_exit (pc8736x_gpio_cleanup)

Macro Definition Documentation

#define DEVNAME   "pc8736x_gpio"

Definition at line 25 of file pc8736x_gpio.c.

#define PC8736X_GPIO_CT   32 /* minors matching 4 8 bit ports */

Definition at line 49 of file pc8736x_gpio.c.

#define PC8736X_GPIO_RANGE   16 /* ioaddr range */

Definition at line 48 of file pc8736x_gpio.c.

#define PORT_EVT_EN   2

Definition at line 75 of file pc8736x_gpio.c.

#define PORT_EVT_STST   3

Definition at line 76 of file pc8736x_gpio.c.

#define PORT_IN   1

Definition at line 74 of file pc8736x_gpio.c.

#define PORT_OUT   0

Definition at line 73 of file pc8736x_gpio.c.

#define SIO_BASE1   0x2E /* 1st command-reg to check */

Definition at line 39 of file pc8736x_gpio.c.

#define SIO_BASE2   0x4E /* alt command-reg to check */

Definition at line 40 of file pc8736x_gpio.c.

#define SIO_BASE_HADDR   0x60

Definition at line 58 of file pc8736x_gpio.c.

#define SIO_BASE_LADDR   0x61

Definition at line 59 of file pc8736x_gpio.c.

#define SIO_CF1   0x21 /* chip config, bit0 is chip enable */

Definition at line 46 of file pc8736x_gpio.c.

#define SIO_GPIO_PIN_CONFIG   0xF1

Definition at line 63 of file pc8736x_gpio.c.

#define SIO_GPIO_PIN_EVENT   0xF2

Definition at line 64 of file pc8736x_gpio.c.

#define SIO_GPIO_PIN_SELECT   0xF0

Definition at line 62 of file pc8736x_gpio.c.

#define SIO_GPIO_UNIT   0x7 /* unit number of GPIO */

Definition at line 53 of file pc8736x_gpio.c.

#define SIO_SID   0x20 /* SuperI/O ID Register */

Definition at line 42 of file pc8736x_gpio.c.

#define SIO_SID_PC87365   0xe5 /* Expected value in ID Register for PC87365 */

Definition at line 43 of file pc8736x_gpio.c.

#define SIO_SID_PC87366   0xe9 /* Expected value in ID Register for PC87366 */

Definition at line 44 of file pc8736x_gpio.c.

#define SIO_TMS_UNIT   0x0E

Definition at line 55 of file pc8736x_gpio.c.

#define SIO_UNIT_ACT   0x30 /* unit enable */

Definition at line 52 of file pc8736x_gpio.c.

#define SIO_UNIT_SEL   0x7 /* unit select reg */

Definition at line 51 of file pc8736x_gpio.c.

#define SIO_VLM_UNIT   0x0D

Definition at line 54 of file pc8736x_gpio.c.

Function Documentation

MODULE_AUTHOR

(

"Jim Cromie <jim.cromie@gmail.com>"

)

MODULE_DESCRIPTION

(

"NatSemi/Winbond PC-8736x GPIO Pin Driver"

)

module_exit

(

pc8736x_gpio_cleanup

)

module_init

(

pc8736x_gpio_init

)

MODULE_LICENSE

(

"GPL"

)

module_param	(	major	,
		int	,
		0
	)

MODULE_PARM_DESC	(	major	,
		"Major device number"
	)