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MIPS: BCM47xx: Use the new SSB GPIO API

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This patch simplifies the BCM47xx GPIO code by using the new SSB GPIO
API, which does a lot things that were implemented directly in the
BCM47xx code.

Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
This commit is contained in:
Aurelien Jarno
2008-10-14 11:44:26 +02:00
committed by Ralf Baechle
parent d412283cef
commit b06f3e19a6
4 changed files with 67 additions and 83 deletions
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45
arch/mips/include/asm/mach-bcm47xx/gpio.h
View File

@@ -9,47 +9,46 @@
#ifndef __BCM47XX_GPIO_H
#define __BCM47XX_GPIO_H
#include <linux/ssb/ssb_embedded.h>
#include <asm/mach-bcm47xx/bcm47xx.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);
}
extern int gpio_request(unsigned gpio, const char *label);
extern void gpio_free(unsigned gpio);
extern int gpio_to_irq(unsigned gpio);
static inline int gpio_get_value(unsigned gpio)
{
return bcm47xx_gpio_get_value(gpio);
return ssb_gpio_in(&ssb_bcm47xx, 1 << gpio);
}
static inline void gpio_set_value(unsigned gpio, int value)
{
bcm47xx_gpio_set_value(gpio, value);
ssb_gpio_out(&ssb_bcm47xx, 1 << gpio, value ? 1 << gpio : 0);
}
static inline int gpio_direction_input(unsigned gpio)
{
return bcm47xx_gpio_direction_input(gpio);
return ssb_gpio_outen(&ssb_bcm47xx, 1 << gpio, 0);
}
static inline int gpio_direction_output(unsigned gpio, int value)
{
return bcm47xx_gpio_direction_output(gpio, value);
return ssb_gpio_outen(&ssb_bcm47xx, 1 << gpio, 1 << gpio);
}
static int gpio_intmask(unsigned gpio, int value)
{
return ssb_gpio_intmask(&ssb_bcm47xx, 1 << gpio,
value ? 1 << gpio : 0);
}
static int gpio_polarity(unsigned gpio, int value)
{
return ssb_gpio_polarity(&ssb_bcm47xx, 1 << gpio,
value ? 1 << gpio : 0);
}