2 * include/asm-mips/mach-ifxmips/gpio.h
4 * This program is free software; you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License as published by
6 * the Free Software Foundation; either version 2 of the License, or
7 * (at your option) any later version.
9 * This program is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 * GNU General Public License for more details.
14 * You should have received a copy of the GNU General Public License
15 * along with this program; if not, write to the Free Software
16 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.
18 * Copyright (C) 2007 John Crispin <blogic@openwrt.org>
23 #ifndef _IFXMIPS_GPIO_H_
24 #define _IFXMIPS_GPIO_H_
26 #include <asm/ifxmips/ifxmips.h>
28 static inline int gpio_direction_input(unsigned gpio) {
29 ifxmips_port_set_dir_in(0, gpio);
32 static inline int gpio_direction_output(unsigned gpio, int value) {
33 ifxmips_port_set_dir_out(0, gpio);
36 static inline int gpio_get_value(unsigned gpio) {
37 ifxmips_port_get_input(0, gpio);
40 static inline void gpio_set_value(unsigned gpio, int value) {
41 ifxmips_port_set_output(0, gpio);
44 static inline int gpio_request(unsigned gpio, const char *label) {
48 static inline void gpio_free(unsigned gpio) {
51 static inline int gpio_to_irq(unsigned gpio) {
55 static inline int irq_to_gpio(unsigned irq) {
59 static inline int gpio_cansleep(unsigned gpio) {
63 static inline int gpio_get_value_cansleep(unsigned gpio) {
65 return gpio_get_value(gpio);
68 static inline void gpio_set_value_cansleep(unsigned gpio, int value) {
70 gpio_set_value(gpio, value);