diff options
Diffstat (limited to 'arch/mips/include/asm/mach-bcm47xx/gpio.h')
-rw-r--r-- | arch/mips/include/asm/mach-bcm47xx/gpio.h | 58 |
1 files changed, 58 insertions, 0 deletions
diff --git a/arch/mips/include/asm/mach-bcm47xx/gpio.h b/arch/mips/include/asm/mach-bcm47xx/gpio.h new file mode 100644 index 00000000000..d8ff4cd89ab --- /dev/null +++ b/arch/mips/include/asm/mach-bcm47xx/gpio.h @@ -0,0 +1,58 @@ +/* + * This file is subject to the terms and conditions of the GNU General Public + * License. See the file "COPYING" in the main directory of this archive + * for more details. + * + * Copyright (C) 2007 Aurelien Jarno <aurelien@aurel32.net> + */ + +#ifndef __BCM47XX_GPIO_H +#define __BCM47XX_GPIO_H + +#include <linux/ssb/ssb_embedded.h> +#include <asm/mach-bcm47xx/bcm47xx.h> + +#define BCM47XX_EXTIF_GPIO_LINES 5 +#define BCM47XX_CHIPCO_GPIO_LINES 16 + +extern int gpio_request(unsigned gpio, const char *label); +extern void gpio_free(unsigned gpio); +extern int gpio_to_irq(unsigned gpio); + +static inline int gpio_get_value(unsigned gpio) +{ + return ssb_gpio_in(&ssb_bcm47xx, 1 << gpio); +} + +static inline void gpio_set_value(unsigned gpio, int value) +{ + ssb_gpio_out(&ssb_bcm47xx, 1 << gpio, value ? 1 << gpio : 0); +} + +static inline int gpio_direction_input(unsigned gpio) +{ + return ssb_gpio_outen(&ssb_bcm47xx, 1 << gpio, 0); +} + +static inline int gpio_direction_output(unsigned gpio, int value) +{ + return ssb_gpio_outen(&ssb_bcm47xx, 1 << gpio, 1 << gpio); +} + +static int gpio_intmask(unsigned gpio, int value) +{ + return ssb_gpio_intmask(&ssb_bcm47xx, 1 << gpio, + value ? 1 << gpio : 0); +} + +static int gpio_polarity(unsigned gpio, int value) +{ + return ssb_gpio_polarity(&ssb_bcm47xx, 1 << gpio, + value ? 1 << gpio : 0); +} + + +/* cansleep wrappers */ +#include <asm-generic/gpio.h> + +#endif /* __BCM47XX_GPIO_H */ |