1 #ifndef __BCM947XX_GPIO_H
2 #define __BCM947XX_GPIO_H
4 #include <linux/ssb/ssb.h>
5 #include <linux/ssb/ssb_driver_chipcommon.h>
6 #include <linux/ssb/ssb_driver_extif.h>
8 extern struct ssb_bus ssb;
10 static inline int gpio_request(unsigned gpio, const char *label)
15 static inline void gpio_free(unsigned gpio)
19 static inline int gpio_direction_input(unsigned gpio)
22 ssb_chipco_gpio_outen(&ssb.chipco, 1 << gpio, 0);
23 else if (ssb.extif.dev)
24 ssb_extif_gpio_outen(&ssb.extif, 1 << gpio, 0);
30 static inline int gpio_direction_output(unsigned gpio)
33 ssb_chipco_gpio_outen(&ssb.chipco, 1 << gpio, 1 << gpio);
34 else if (ssb.extif.dev)
35 ssb_extif_gpio_outen(&ssb.extif, 1 << gpio, 1 << gpio);
43 static inline int gpio_to_irq(unsigned gpio)
45 struct ssb_device *dev;
53 return ssb_mips_irq(dev) + 2;
56 static inline int irq_to_gpio(unsigned gpio)
62 static inline int gpio_get_value(unsigned gpio)
65 return ssb_chipco_gpio_in(&ssb.chipco, 1 << gpio) ? 1 : 0;
66 else if (ssb.extif.dev)
67 return ssb_extif_gpio_in(&ssb.extif, 1 << gpio) ? 1 : 0;
72 static inline int gpio_set_value(unsigned gpio, int value)
75 ssb_chipco_gpio_out(&ssb.chipco, 1 << gpio, (value ? 1 << gpio : 0));
76 else if (ssb.extif.dev)
77 ssb_extif_gpio_out(&ssb.extif, 1 << gpio, (value ? 1 << gpio : 0));
83 /* cansleep wrappers */
84 #include <asm-generic/gpio.h>
87 #endif /* __BCM947XX_GPIO_H */