#include <linux/errno.h>
#include <linux/fs.h>
#include <linux/gpio.h>
#include <linux/init.h>
#include <linux/interrupt.h>
#include <linux/io.h>
#include <linux/irq.h>
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/platform_device.h>
#include <linux/spinlock.h>
#include <linux/types.h>
#include <asm/vr41xx/giu.h>
#include <asm/vr41xx/irq.h>
#include <asm/vr41xx/vr41xx.h>

Macros
#define	GIUIOSELL 0x00

#define	GIUIOSELH 0x02

#define	GIUPIODL 0x04

#define	GIUPIODH 0x06

#define	GIUINTSTATL 0x08

#define	GIUINTSTATH 0x0a

#define	GIUINTENL 0x0c

#define	GIUINTENH 0x0e

#define	GIUINTTYPL 0x10

#define	GIUINTTYPH 0x12

#define	GIUINTALSELL 0x14

#define	GIUINTALSELH 0x16

#define	GIUINTHTSELL 0x18

#define	GIUINTHTSELH 0x1a

#define	GIUPODATL 0x1c

#define	GIUPODATEN 0x1c

#define	GIUPODATH 0x1e

#define	PIOEN0 0x0100

#define	PIOEN1 0x0200

#define	GIUPODAT 0x1e

#define	GIUFEDGEINHL 0x20

#define	GIUFEDGEINHH 0x22

#define	GIUREDGEINHL 0x24

#define	GIUREDGEINHH 0x26

#define	GIUUSEUPDN 0x1e0

#define	GIUTERMUPDN 0x1e2

#define	GPIO_HAS_PULLUPDOWN_IO 0x0001

#define	GPIO_HAS_OUTPUT_ENABLE 0x0002

#define	GPIO_HAS_INTERRUPT_EDGE_SELECT 0x0100

#define	giu_read(offset) readw(giu_base + (offset))

#define	giu_write(offset, value) writew((value), giu_base + (offset))

#define	GPIO_PIN_OF_IRQ(irq) ((irq) - GIU_IRQ_BASE)

#define	GIUINT_HIGH_OFFSET 16

#define	GIUINT_HIGH_MAX 32

Enumerations
enum	{ GPIO_INPUT, GPIO_OUTPUT }

Functions
	MODULE_AUTHOR ("Yoichi Yuasa <[email protected]>")

	MODULE_DESCRIPTION ("NEC VR4100 series General-purpose I/O Unit driver")

	MODULE_LICENSE ("GPL")

void	vr41xx_set_irq_trigger (unsigned int pin, irq_trigger_t trigger, irq_signal_t signal)

	EXPORT_SYMBOL_GPL (vr41xx_set_irq_trigger)

void	vr41xx_set_irq_level (unsigned int pin, irq_level_t level)

	EXPORT_SYMBOL_GPL (vr41xx_set_irq_level)

int	vr41xx_gpio_pullupdown (unsigned int pin, gpio_pull_t pull)

	EXPORT_SYMBOL_GPL (vr41xx_gpio_pullupdown)

	module_platform_driver (giu_device_driver)

Macro Definition Documentation

#define giu_read ( offset ) readw(giu_base + (offset))

Definition at line 85 of file gpio-vr41xx.c.

#define giu_write	(	offset,
		value
	)	writew((value), giu_base + (offset))

Definition at line 86 of file gpio-vr41xx.c.

#define GIUFEDGEINHH 0x22

Definition at line 64 of file gpio-vr41xx.c.

#define GIUFEDGEINHL 0x20

Definition at line 63 of file gpio-vr41xx.c.

#define GIUINT_HIGH_MAX 32

Definition at line 90 of file gpio-vr41xx.c.

#define GIUINT_HIGH_OFFSET 16

Definition at line 89 of file gpio-vr41xx.c.

#define GIUINTALSELH 0x16

Definition at line 54 of file gpio-vr41xx.c.

#define GIUINTALSELL 0x14

Definition at line 53 of file gpio-vr41xx.c.

#define GIUINTENH 0x0e

Definition at line 50 of file gpio-vr41xx.c.

#define GIUINTENL 0x0c

Definition at line 49 of file gpio-vr41xx.c.

#define GIUINTHTSELH 0x1a

Definition at line 56 of file gpio-vr41xx.c.

#define GIUINTHTSELL 0x18

Definition at line 55 of file gpio-vr41xx.c.

#define GIUINTSTATH 0x0a

Definition at line 48 of file gpio-vr41xx.c.

#define GIUINTSTATL 0x08

Definition at line 47 of file gpio-vr41xx.c.

#define GIUINTTYPH 0x12

Definition at line 52 of file gpio-vr41xx.c.

#define GIUINTTYPL 0x10

Definition at line 51 of file gpio-vr41xx.c.

#define GIUIOSELH 0x02

Definition at line 44 of file gpio-vr41xx.c.

#define GIUIOSELL 0x00

Definition at line 43 of file gpio-vr41xx.c.

#define GIUPIODH 0x06

Definition at line 46 of file gpio-vr41xx.c.

#define GIUPIODL 0x04

Definition at line 45 of file gpio-vr41xx.c.

#define GIUPODAT 0x1e

Definition at line 62 of file gpio-vr41xx.c.

#define GIUPODATEN 0x1c

Definition at line 58 of file gpio-vr41xx.c.

#define GIUPODATH 0x1e

Definition at line 59 of file gpio-vr41xx.c.

#define GIUPODATL 0x1c

Definition at line 57 of file gpio-vr41xx.c.

#define GIUREDGEINHH 0x26

Definition at line 66 of file gpio-vr41xx.c.

#define GIUREDGEINHL 0x24

Definition at line 65 of file gpio-vr41xx.c.

#define GIUTERMUPDN 0x1e2

Definition at line 69 of file gpio-vr41xx.c.

#define GIUUSEUPDN 0x1e0

Definition at line 68 of file gpio-vr41xx.c.

#define GPIO_HAS_INTERRUPT_EDGE_SELECT 0x0100

Definition at line 73 of file gpio-vr41xx.c.

#define GPIO_HAS_OUTPUT_ENABLE 0x0002

Definition at line 72 of file gpio-vr41xx.c.

#define GPIO_HAS_PULLUPDOWN_IO 0x0001

Definition at line 71 of file gpio-vr41xx.c.

#define GPIO_PIN_OF_IRQ ( irq ) ((irq) - GIU_IRQ_BASE)

Definition at line 88 of file gpio-vr41xx.c.

#define PIOEN0 0x0100

Definition at line 60 of file gpio-vr41xx.c.

#define PIOEN1 0x0200

Definition at line 61 of file gpio-vr41xx.c.

Enumeration Type Documentation

anonymous enum

Enumerator:

GPIO_INPUT
GPIO_OUTPUT

Definition at line 75 of file gpio-vr41xx.c.

Function Documentation

EXPORT_SYMBOL_GPL ( vr41xx_set_irq_trigger )

EXPORT_SYMBOL_GPL ( vr41xx_set_irq_level )

EXPORT_SYMBOL_GPL ( vr41xx_gpio_pullupdown )

MODULE_AUTHOR ( "Yoichi Yuasa <[email protected]>" )

MODULE_DESCRIPTION ( "NEC VR4100 series General-purpose I/O Unit driver" )

MODULE_LICENSE ( "GPL" )

module_platform_driver ( giu_device_driver )

int vr41xx_gpio_pullupdown	(	unsigned int	pin,
		gpio_pull_t	pull
	)

Definition at line 361 of file gpio-vr41xx.c.

void vr41xx_set_irq_level	(	unsigned int	pin,
		irq_level_t	level
	)

Definition at line 291 of file gpio-vr41xx.c.

void vr41xx_set_irq_trigger	(	unsigned int	pin,
		irq_trigger_t	trigger,
		irq_signal_t	signal
	)

Definition at line 212 of file gpio-vr41xx.c.

Macros

Enumerations

Functions

Macro Definition Documentation

Enumeration Type Documentation

Function Documentation