mirror of
git://projects.qi-hardware.com/openwrt-xburst.git
synced 2024-12-21 11:39:54 +02:00
17c7b6c3fd
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@8653 3c298f89-4303-0410-b956-a3cf2f4a3e73
89 lines
1.6 KiB
C
89 lines
1.6 KiB
C
#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_gpio_outen(&ssb.chipco, 1 << gpio, 0);
|
|
else if (ssb.extif.dev)
|
|
ssb_extif_gpio_outen(&ssb.extif, 1 << gpio, 0);
|
|
else
|
|
return -EINVAL;
|
|
return 0;
|
|
}
|
|
|
|
static inline int gpio_direction_output(unsigned gpio)
|
|
{
|
|
if (ssb.chipco.dev)
|
|
ssb_chipco_gpio_outen(&ssb.chipco, 1 << gpio, 1 << gpio);
|
|
else if (ssb.extif.dev)
|
|
ssb_extif_gpio_outen(&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_gpio_in(&ssb.chipco, 1 << gpio) ? 1 : 0;
|
|
else if (ssb.extif.dev)
|
|
return ssb_extif_gpio_in(&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_gpio_out(&ssb.chipco, 1 << gpio, (value ? 1 << gpio : 0));
|
|
else if (ssb.extif.dev)
|
|
ssb_extif_gpio_out(&ssb.extif, 1 << gpio, (value ? 1 << gpio : 0));
|
|
|
|
return 0;
|
|
}
|
|
|
|
|
|
/* cansleep wrappers */
|
|
#include <asm-generic/gpio.h>
|
|
|
|
|
|
#endif /* __BCM947XX_GPIO_H */
|
|
|