gpio.c File Reference

#include <linux/module.h>
#include <linux/sched.h>
#include <linux/slab.h>
#include <linux/ioport.h>
#include <linux/errno.h>
#include <linux/kernel.h>
#include <linux/fs.h>
#include <linux/string.h>
#include <linux/poll.h>
#include <linux/init.h>
#include <linux/interrupt.h>
#include <linux/spinlock.h>
#include <linux/mutex.h>
#include <asm/etraxgpio.h>
#include <hwregs/reg_map.h>
#include <hwregs/reg_rdwr.h>
#include <hwregs/gio_defs.h>
#include <hwregs/intr_vect_defs.h>
#include <asm/io.h>
#include <asm/irq.h>

Go to the source code of this file.

Data Structures
struct	gpio_private

Macros
#define	GPIO_MAJOR   120 /* experimental MAJOR number */
#define	D(x)
#define	DP(x)
#define	NUM_PORTS   (GPIO_MINOR_LAST+1)
#define	GIO_REG_RD_ADDR(reg)   (volatile unsigned long *)(regi_gio + REG_RD_ADDR_gio_##reg)
#define	GIO_REG_WR_ADDR(reg)   (volatile unsigned long *)(regi_gio + REG_RD_ADDR_gio_##reg)

Functions
int	etrax_gpio_wake_up_check (void)
unsigned long	setget_input (struct gpio_private *priv, unsigned long arg)
unsigned long	setget_output (struct gpio_private *priv, unsigned long arg)
	module_init (gpio_init)

Variables
unsigned long	led_dummy

Macro Definition Documentation

#define D

(

x

)

Definition at line 52 of file gpio.c.

#define DP

(

x

)

Definition at line 63 of file gpio.c.

#define GIO_REG_RD_ADDR

(

reg

)

(volatile unsigned long *)(regi_gio + REG_RD_ADDR_gio_##reg)

Definition at line 111 of file gpio.c.

#define GIO_REG_WR_ADDR

(

reg

)

(volatile unsigned long *)(regi_gio + REG_RD_ADDR_gio_##reg)

Definition at line 113 of file gpio.c.

#define GPIO_MAJOR   120 /* experimental MAJOR number */

Definition at line 50 of file gpio.c.

#define NUM_PORTS   (GPIO_MINOR_LAST+1)

Definition at line 110 of file gpio.c.

Function Documentation

int etrax_gpio_wake_up_check

(

void

)

Definition at line 255 of file gpio.c.

module_init

(

gpio_init

)

unsigned long setget_input ( struct gpio_private *  priv, unsigned long  arg  )

inline

Definition at line 520 of file gpio.c.

unsigned long setget_output ( struct gpio_private *  priv, unsigned long  arg  )

inline

Definition at line 546 of file gpio.c.

Variable Documentation

unsigned long led_dummy

Definition at line 115 of file gpio.c.