2 * arch/arm/mach-ks8695/include/mach/gpio.h
4 * Copyright (C) 2006 Andrew Victor
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.
11 #ifndef __ASM_ARCH_GPIO_H_
12 #define __ASM_ARCH_GPIO_H_
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
33 * Configure GPIO pin as external interrupt source.
35 int __init_or_module ks8695_gpio_interrupt(unsigned int pin, unsigned int type);
38 * Configure the GPIO line as an input.
40 int __init_or_module gpio_direction_input(unsigned int pin);
43 * Configure the GPIO line as an output, with default state.
45 int __init_or_module gpio_direction_output(unsigned int pin, unsigned int state);
48 * Set the state of an output GPIO line.
50 void gpio_set_value(unsigned int pin, unsigned int state);
53 * Read the state of a GPIO line.
55 int gpio_get_value(unsigned int pin);
58 * Map GPIO line to IRQ number.
60 int gpio_to_irq(unsigned int pin);
63 * Map IRQ number to GPIO line.
65 int irq_to_gpio(unsigned int irq);
68 #include <asm-generic/gpio.h>
70 static inline int gpio_request(unsigned int pin, const char *label)
75 static inline void gpio_free(unsigned int pin)