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#ifndef __BCM947XX_GPIO_H
#define __BCM947XX_GPIO_H
#include <linux/ssb/ssb.h>
#include <linux/ssb/ssb_driver_chipcommon.h>
#include <linux/ssb/ssb_driver_extif.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)
{
if (ssb.chipco->dev)
ssb_chipco_gpioouten(&ssb.chipco, 1 << gpio, 0);
else if (ssb.extif->dev)
ssb_extif_gpioouten(&ssb.extif, 1 << gpio, 0);
else
return -EINVAL;
return 0;
}
static inline int gpio_direction_output(unsigned gpio)
{
if (ssb.chipco->dev)
ssb_chipco_gpioouten(&ssb.chipco, 1 << gpio, 1 << gpio);
else if (ssb.extif->dev)
ssb_extif_gpioouten(&ssb.extif, 1 << gpio, 1 << gpio);
else
return -EINVAL;
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)
{
if (ssb.chipco->dev)
return ssb_chipco_gpioin(&ssb.chipco, 1 << gpio) ? 1 : 0;
else if (ssb.extif->dev)
return ssb_extif_gpioin(&ssb.extif, 1 << gpio) ? 1 : 0;
else
return 0;
}
static inline int gpio_set_value(unsigned gpio, int value)
{
if (ssb.chipco->dev)
ssb_chipco_gpioout(&ssb.chipco, 1 << gpio, (value ? 1 << gpio : 0));
else if (ssb.extif->dev)
ssb_extif_gpioout(&ssb.extif, 1 << gpio, (value ? 1 << gpio : 0));
return 0;
}
/* cansleep wrappers */
#include <asm-generic/gpio.h>
#endif /* __BCM947XX_GPIO_H */
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