arch/arm/mach-orion5x/include/mach/gpio.h

   1 /*
   2  * arch/arm/mach-orion5x/include/mach/gpio.h
   3  *
   4  * This file is licensed under the terms of the GNU General Public
   5  * License version 2. This program is licensed "as is" without any
   6  * warranty of any kind, whether express or implied.
   7  */
   8
   9 extern int gpio_request(unsigned pin, const char *label);
  10 extern void gpio_free(unsigned pin);
  11 extern int gpio_direction_input(unsigned pin);
  12 extern int gpio_direction_output(unsigned pin, int value);
  13 extern int gpio_get_value(unsigned pin);
  14 extern void gpio_set_value(unsigned pin, int value);
  15 extern void orion5x_gpio_set_blink(unsigned pin, int blink);
  16 extern void gpio_display(void);         /* debug */
  17
  18 static inline int gpio_to_irq(int pin)
  19 {
  20         return pin + IRQ_ORION5X_GPIO_START;
  21 }
  22
  23 static inline int irq_to_gpio(int irq)
  24 {
  25         return irq - IRQ_ORION5X_GPIO_START;
  26 }
  27
  28 #include <asm-generic/gpio.h>           /* cansleep wrappers */