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 <asm/etraxgpio.h>
#include <arch/svinto.h>
#include <asm/io.h>
#include <asm/irq.h>
#include <arch/io_interface_mux.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_B+1)
#define	CONFIG_ETRAX_PA_CHANGEABLE_DIR   0x00
#define	CONFIG_ETRAX_PB_CHANGEABLE_DIR   0x00
#define	CONFIG_ETRAX_PA_CHANGEABLE_BITS   0xFF
#define	CONFIG_ETRAX_PB_CHANGEABLE_BITS   0xFF
#define	USE_PORTS(priv)   ((priv)->minor <= GPIO_MINOR_B)

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)

Macro Definition Documentation

#define CONFIG_ETRAX_PA_CHANGEABLE_BITS   0xFF

Definition at line 103 of file gpio.c.

#define CONFIG_ETRAX_PA_CHANGEABLE_DIR   0x00

Definition at line 96 of file gpio.c.

#define CONFIG_ETRAX_PB_CHANGEABLE_BITS   0xFF

Definition at line 106 of file gpio.c.

#define CONFIG_ETRAX_PB_CHANGEABLE_DIR   0x00

Definition at line 99 of file gpio.c.

#define D

(

x

)

Definition at line 32 of file gpio.c.

#define DP

(

x

)

Definition at line 38 of file gpio.c.

#define GPIO_MAJOR   120 /* experimental MAJOR number */

Definition at line 30 of file gpio.c.

#define NUM_PORTS   (GPIO_MINOR_B+1)

Definition at line 83 of file gpio.c.

#define USE_PORTS

(

priv

)

((priv)->minor <= GPIO_MINOR_B)

Definition at line 140 of file gpio.c.

Function Documentation

int etrax_gpio_wake_up_check

(

void

)

Definition at line 185 of file gpio.c.

module_init

(

gpio_init

)

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

inline

Definition at line 402 of file gpio.c.

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

inline

Definition at line 453 of file gpio.c.