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

   1 /*
   2  * arch/arm/mach-ks8695/include/mach/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 #include <linux/kernel.h>
  15
  16 #define KS8695_GPIO_0           0
  17 #define KS8695_GPIO_1           1
  18 #define KS8695_GPIO_2           2
  19 #define KS8695_GPIO_3           3
  20 #define KS8695_GPIO_4           4
  21 #define KS8695_GPIO_5           5
  22 #define KS8695_GPIO_6           6
  23 #define KS8695_GPIO_7           7
  24 #define KS8695_GPIO_8           8
  25 #define KS8695_GPIO_9           9
  26 #define KS8695_GPIO_10          10
  27 #define KS8695_GPIO_11          11
  28 #define KS8695_GPIO_12          12
  29 #define KS8695_GPIO_13          13
  30 #define KS8695_GPIO_14          14
  31 #define KS8695_GPIO_15          15
  32
  33
  34 /*
  35  * Configure GPIO pin as external interrupt source.
  36  */
  37 int __init_or_module ks8695_gpio_interrupt(unsigned int pin, unsigned int type);
  38
  39 /*
  40  * Configure the GPIO line as an input.
  41  */
  42 int __init_or_module gpio_direction_input(unsigned int pin);
  43
  44 /*
  45  * Configure the GPIO line as an output, with default state.
  46  */
  47 int __init_or_module gpio_direction_output(unsigned int pin, unsigned int state);
  48
  49 /*
  50  * Set the state of an output GPIO line.
  51  */
  52 void gpio_set_value(unsigned int pin, unsigned int state);
  53
  54 /*
  55  * Read the state of a GPIO line.
  56  */
  57 int gpio_get_value(unsigned int pin);
  58
  59 /*
  60  * Map GPIO line to IRQ number.
  61  */
  62 int gpio_to_irq(unsigned int pin);
  63
  64 /*
  65  * Map IRQ number to GPIO line.
  66  */
  67 int irq_to_gpio(unsigned int irq);
  68
  69
  70 #include <asm-generic/gpio.h>
  71
  72 static inline int gpio_request(unsigned int pin, const char *label)
  73 {
  74         return 0;
  75 }
  76
  77 static inline void gpio_free(unsigned int pin)
  78 {
  79         might_sleep();
  80 }
  81
  82 #endif