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add special values for GPIO lines in switch 

SVN-Revision: 8351
This commit is contained in:
Gabor Juhos 2007-08-06 17:25:49 +00:00
parent 216eb4e8b0
commit fe1b8fca48
2 changed files with 38 additions and 22 deletions
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43
target/linux/adm5120-2.6/files/arch/mips/adm5120/gpio.c
View File

@ -204,10 +204,27 @@ static inline int leds_direction_output(unsigned led, int value)
t = GPIO_READ(reg);
t &= ~(LED_MODE_MASK << s);
if (value)
t |= (LED_MODE_OUT_HIGH << s);
else
switch (value) {
case ADM5120_GPIO_LOW:
t |= (LED_MODE_OUT_LOW << s);
break;
case ADM5120_GPIO_FLASH:
case ADM5120_GPIO_LINK:
case ADM5120_GPIO_SPEED:
case ADM5120_GPIO_DUPLEX:
case ADM5120_GPIO_ACT:
case ADM5120_GPIO_COLL:
case ADM5120_GPIO_LINK_ACT:
case ADM5120_GPIO_DUPLEX_COLL:
case ADM5120_GPIO_10M_ACT:
case ADM5120_GPIO_100M_ACT:
t |= ((value & LED_MODE_MASK) << s);
break;
default:
t |= (LED_MODE_OUT_HIGH << s);
break;
}
GPIO_WRITE(t,reg);
@ -232,24 +249,6 @@ static inline int leds_get_value(unsigned led)
return 1;
}
static inline void leds_set_value(unsigned led, int value)
{
gpio_reg_t *reg;
u32 s,t;
reg = led_table[led].reg;
s = led_table[led].mode_shift;
t = GPIO_READ(reg);
t &= ~(LED_MODE_MASK << s);
if (value)
t |= (LED_MODE_OUT_HIGH << s);
else
t |= (LED_MODE_OUT_LOW << s);
GPIO_WRITE(t,reg);
}
/*
* Main GPIO support routines
*/
@ -294,7 +293,7 @@ void adm5120_gpio_set_value(unsigned gpio, int value)
}
gpio -= ADM5120_GPIO_P0L0;
leds_set_value(gpio, value);
leds_direction_output(gpio, value);
}
int adm5120_gpio_request(unsigned gpio, const char *label)

17
target/linux/adm5120-2.6/files/include/asm-mips/mach-adm5120/gpio.h
View File

@ -26,6 +26,8 @@
#ifndef _ADM5120_GPIO_H_
#define _ADM5120_GPIO_H_
#include <asm/mach-adm5120/adm5120_switch.h>
#define ADM5120_GPIO_PIN0 0
#define ADM5120_GPIO_PIN1 1
#define ADM5120_GPIO_PIN2 2
@ -52,6 +54,21 @@
#define ADM5120_GPIO_MAX 22
#define ADM5120_GPIO_COUNT ADM5120_GPIO_MAX+1
#define ADM5120_GPIO_LOW 0
#define ADM5120_GPIO_HIGH 1
#define ADM5120_GPIO_SWITCH 0x10
#define ADM5120_GPIO_FLASH (ADM5120_GPIO_SWITCH | LED_MODE_FLASH)
#define ADM5120_GPIO_LINK (ADM5120_GPIO_SWITCH | LED_MODE_LINK)
#define ADM5120_GPIO_SPEED (ADM5120_GPIO_SWITCH | LED_MODE_SPEED)
#define ADM5120_GPIO_DUPLEX (ADM5120_GPIO_SWITCH | LED_MODE_DUPLEX)
#define ADM5120_GPIO_ACT (ADM5120_GPIO_SWITCH | LED_MODE_ACT)
#define ADM5120_GPIO_COLL (ADM5120_GPIO_SWITCH | LED_MODE_COLL)
#define ADM5120_GPIO_LINK_ACT (ADM5120_GPIO_SWITCH | LED_MODE_LINK_ACT)
#define ADM5120_GPIO_DUPLEX_COLL (ADM5120_GPIO_SWITCH | LED_MODE_DUPLEX_COLL)
#define ADM5120_GPIO_10M_ACT (ADM5120_GPIO_SWITCH | LED_MODE_10M_ACT)
#define ADM5120_GPIO_100M_ACT (ADM5120_GPIO_SWITCH | LED_MODE_100M_ACT)
extern int adm5120_gpio_direction_input(unsigned gpio);
extern int adm5120_gpio_direction_output(unsigned gpio, int value);
extern int adm5120_gpio_get_value(unsigned gpio);