diff options
Diffstat (limited to 'target/linux/brcm47xx/files-2.6.25/include/asm-mips/mach-bcm947xx/gpio.h')
-rw-r--r-- | target/linux/brcm47xx/files-2.6.25/include/asm-mips/mach-bcm947xx/gpio.h | 67 |
1 files changed, 67 insertions, 0 deletions
diff --git a/target/linux/brcm47xx/files-2.6.25/include/asm-mips/mach-bcm947xx/gpio.h b/target/linux/brcm47xx/files-2.6.25/include/asm-mips/mach-bcm947xx/gpio.h new file mode 100644 index 0000000..e7807ce --- /dev/null +++ b/target/linux/brcm47xx/files-2.6.25/include/asm-mips/mach-bcm947xx/gpio.h @@ -0,0 +1,67 @@ +#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 */ + |