include/asm-arm/arch-ks8695/gpio.h

   1 /*
   2  * include/asm-arm/arch-ks8695/gpio.h
   3  *
   4  * Copyright (C) 2006 Andrew Victor
   5  *
   6  * This program is free software; you can redistribute it and/or modify
   7  * it under the terms of the GNU General Public License version 2 as
   8  * published by the Free Software Foundation.
   9  */
  10
  11 #ifndef __ASM_ARCH_GPIO_H_
  12 #define __ASM_ARCH_GPIO_H_
  13
  14 #define KS8695_GPIO_0           0
  15 #define KS8695_GPIO_1           1
  16 #define KS8695_GPIO_2           2
  17 #define KS8695_GPIO_3           3
  18 #define KS8695_GPIO_4           4
  19 #define KS8695_GPIO_5           5
  20 #define KS8695_GPIO_6           6
  21 #define KS8695_GPIO_7           7
  22 #define KS8695_GPIO_8           8
  23 #define KS8695_GPIO_9           9
  24 #define KS8695_GPIO_10          10
  25 #define KS8695_GPIO_11          11
  26 #define KS8695_GPIO_12          12
  27 #define KS8695_GPIO_13          13
  28 #define KS8695_GPIO_14          14
  29 #define KS8695_GPIO_15          15
  30
  31
  32 /*
  33  * Configure GPIO pin as external interrupt source.
  34  */
  35 int __init_or_module ks8695_gpio_interrupt(unsigned int pin, unsigned int type);
  36
  37 /*
  38  * Configure the GPIO line as an input.
  39  */
  40 int __init_or_module gpio_direction_input(unsigned int pin);
  41
  42 /*
  43  * Configure the GPIO line as an output, with default state.
  44  */
  45 int __init_or_module gpio_direction_output(unsigned int pin, unsigned int state);
  46
  47 /*
  48  * Set the state of an output GPIO line.
  49  */
  50 void gpio_set_value(unsigned int pin, unsigned int state);
  51
  52 /*
  53  * Read the state of a GPIO line.
  54  */
  55 int gpio_get_value(unsigned int pin);
  56
  57 /*
  58  * Map GPIO line to IRQ number.
  59  */
  60 int gpio_to_irq(unsigned int pin);
  61
  62 /*
  63  * Map IRQ number to GPIO line.
  64  */
  65 int irq_to_gpio(unsigned int irq);
  66
  67
  68 #include <asm-generic/gpio.h>
  69
  70 static inline int gpio_request(unsigned int pin, const char *label)
  71 {
  72         return 0;
  73 }
  74
  75 static inline void gpio_free(unsigned int pin)
  76 {
  77 }
  78
  79 #endif