mirror of
https://github.com/openwrt/openwrt.git
synced 2024-12-28 17:48:58 +00:00
68 lines
1.1 KiB
C
68 lines
1.1 KiB
C
#ifndef __BCM947XX_GPIO_H
|
|
#define __BCM947XX_GPIO_H
|
|
|
|
#include <linux/ssb/ssb_embedded.h>
|
|
|
|
extern struct ssb_bus ssb;
|
|
|
|
static inline int gpio_request(unsigned gpio, const char *label)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
static inline void gpio_free(unsigned gpio)
|
|
{
|
|
}
|
|
|
|
static inline int gpio_direction_input(unsigned gpio)
|
|
{
|
|
ssb_gpio_outen(&ssb, 1 << gpio, 0);
|
|
return 0;
|
|
}
|
|
|
|
static inline int gpio_direction_output(unsigned gpio, int value)
|
|
{
|
|
ssb_gpio_out(&ssb, 1 << gpio, (value ? 1 << gpio : 0));
|
|
ssb_gpio_outen(&ssb, 1 << gpio, 1 << gpio);
|
|
return 0;
|
|
}
|
|
|
|
|
|
static inline int gpio_to_irq(unsigned gpio)
|
|
{
|
|
struct ssb_device *dev;
|
|
|
|
dev = ssb.chipco.dev;
|
|
if (!dev)
|
|
dev = ssb.extif.dev;
|
|
if (!dev)
|
|
return -EINVAL;
|
|
|
|
return ssb_mips_irq(dev) + 2;
|
|
}
|
|
|
|
static inline int irq_to_gpio(unsigned gpio)
|
|
{
|
|
return -EINVAL;
|
|
}
|
|
|
|
|
|
static inline int gpio_get_value(unsigned gpio)
|
|
{
|
|
return !!ssb_gpio_in(&ssb, 1 << gpio);
|
|
}
|
|
|
|
static inline int gpio_set_value(unsigned gpio, int value)
|
|
{
|
|
ssb_gpio_out(&ssb, 1 << gpio, (value ? 1 << gpio : 0));
|
|
return 0;
|
|
}
|
|
|
|
|
|
/* cansleep wrappers */
|
|
#include <asm-generic/gpio.h>
|
|
|
|
|
|
#endif /* __BCM947XX_GPIO_H */
|
|
|