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yaml
---
r: 66169
b: refs/heads/master
c: 34cc662
h: refs/heads/master
i:
  66167: a611fcd
v: v3
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Aurelien Jarno authored and Ralf Baechle committed Oct 11, 2007
1 parent 4c1d1f5 commit e75559d
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Showing 4 changed files with 140 additions and 2 deletions.
2 changes: 1 addition & 1 deletion [refs]
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---
refs/heads/master: 25e5fb97419f73d39b37e9f73f9492c394de07b2
refs/heads/master: 34cc662f8aae0ce1db5c64d55a39a5081f9e3cd8
2 changes: 1 addition & 1 deletion trunk/arch/mips/bcm47xx/Makefile
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# under Linux.
#

obj-y := irq.o prom.o serial.o setup.o time.o
obj-y := gpio.o irq.o prom.o serial.o setup.o time.o
79 changes: 79 additions & 0 deletions trunk/arch/mips/bcm47xx/gpio.c
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/*
* This file is subject to the terms and conditions of the GNU General Public
* License. See the file "COPYING" in the main directory of this archive
* for more details.
*
* Copyright (C) 2007 Aurelien Jarno <aurelien@aurel32.net>
*/

#include <linux/ssb/ssb.h>
#include <linux/ssb/ssb_driver_chipcommon.h>
#include <linux/ssb/ssb_driver_extif.h>
#include <asm/mach-bcm47xx/bcm47xx.h>
#include <asm/mach-bcm47xx/gpio.h>

int bcm47xx_gpio_to_irq(unsigned gpio)
{
if (ssb_bcm47xx.chipco.dev)
return ssb_mips_irq(ssb_bcm47xx.chipco.dev) + 2;
else if (ssb_bcm47xx.extif.dev)
return ssb_mips_irq(ssb_bcm47xx.extif.dev) + 2;
else
return -EINVAL;
}
EXPORT_SYMBOL_GPL(bcm47xx_gpio_to_irq);

int bcm47xx_gpio_get_value(unsigned gpio)
{
if (ssb_bcm47xx.chipco.dev)
return ssb_chipco_gpio_in(&ssb_bcm47xx.chipco, 1 << gpio);
else if (ssb_bcm47xx.extif.dev)
return ssb_extif_gpio_in(&ssb_bcm47xx.extif, 1 << gpio);
else
return 0;
}
EXPORT_SYMBOL_GPL(bcm47xx_gpio_get_value);

void bcm47xx_gpio_set_value(unsigned gpio, int value)
{
if (ssb_bcm47xx.chipco.dev)
ssb_chipco_gpio_out(&ssb_bcm47xx.chipco,
1 << gpio,
value ? 1 << gpio : 0);
else if (ssb_bcm47xx.extif.dev)
ssb_extif_gpio_out(&ssb_bcm47xx.extif,
1 << gpio,
value ? 1 << gpio : 0);
}
EXPORT_SYMBOL_GPL(bcm47xx_gpio_set_value);

int bcm47xx_gpio_direction_input(unsigned gpio)
{
if (ssb_bcm47xx.chipco.dev && (gpio < BCM47XX_CHIPCO_GPIO_LINES))
ssb_chipco_gpio_outen(&ssb_bcm47xx.chipco,
1 << gpio, 0);
else if (ssb_bcm47xx.extif.dev && (gpio < BCM47XX_EXTIF_GPIO_LINES))
ssb_extif_gpio_outen(&ssb_bcm47xx.extif,
1 << gpio, 0);
else
return -EINVAL;
return 0;
}
EXPORT_SYMBOL_GPL(bcm47xx_gpio_direction_input);

int bcm47xx_gpio_direction_output(unsigned gpio, int value)
{
bcm47xx_gpio_set_value(gpio, value);

if (ssb_bcm47xx.chipco.dev && (gpio < BCM47XX_CHIPCO_GPIO_LINES))
ssb_chipco_gpio_outen(&ssb_bcm47xx.chipco,
1 << gpio, 1 << gpio);
else if (ssb_bcm47xx.extif.dev && (gpio < BCM47XX_EXTIF_GPIO_LINES))
ssb_extif_gpio_outen(&ssb_bcm47xx.extif,
1 << gpio, 1 << gpio);
else
return -EINVAL;
return 0;
}
EXPORT_SYMBOL_GPL(bcm47xx_gpio_direction_output);

59 changes: 59 additions & 0 deletions trunk/include/asm-mips/mach-bcm47xx/gpio.h
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/*
* This file is subject to the terms and conditions of the GNU General Public
* License. See the file "COPYING" in the main directory of this archive
* for more details.
*
* Copyright (C) 2007 Aurelien Jarno <aurelien@aurel32.net>
*/

#ifndef __BCM47XX_GPIO_H
#define __BCM47XX_GPIO_H

#define BCM47XX_EXTIF_GPIO_LINES 5
#define BCM47XX_CHIPCO_GPIO_LINES 16

extern int bcm47xx_gpio_to_irq(unsigned gpio);
extern int bcm47xx_gpio_get_value(unsigned gpio);
extern void bcm47xx_gpio_set_value(unsigned gpio, int value);
extern int bcm47xx_gpio_direction_input(unsigned gpio);
extern int bcm47xx_gpio_direction_output(unsigned gpio, int value);

static inline int gpio_request(unsigned gpio, const char *label)
{
return 0;
}

static inline void gpio_free(unsigned gpio)
{
}

static inline int gpio_to_irq(unsigned gpio)
{
return bcm47xx_gpio_to_irq(gpio);
}

static inline int gpio_get_value(unsigned gpio)
{
return bcm47xx_gpio_get_value(gpio);
}

static inline void gpio_set_value(unsigned gpio, int value)
{
bcm47xx_gpio_set_value(gpio, value);
}

static inline int gpio_direction_input(unsigned gpio)
{
return bcm47xx_gpio_direction_input(gpio);
}

static inline int gpio_direction_output(unsigned gpio, int value)
{
return bcm47xx_gpio_direction_output(gpio, value);
}


/* cansleep wrappers */
#include <asm-generic/gpio.h>

#endif /* __BCM47XX_GPIO_H */

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