/* * (C) Copyright 2009 Alessandro Rubini * * See file CREDITS for list of people who contributed to this * project. * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License as * published by the Free Software Foundation; either version 2 of * the License, or (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, * MA 02111-1307 USA */ #ifndef __NMK_GPIO_H__ #define __NMK_GPIO_H__ /* * These functions are called from the soft-i2c driver, but * are also used by board files to set output bits. */ enum nmk_af { /* alternate function settings */ GPIO_GPIO = 0, GPIO_ALT_A, GPIO_ALT_B, GPIO_ALT_C }; extern void nmk_gpio_af(int gpio, int alternate_function); extern void nmk_gpio_dir(int gpio, int dir); extern void nmk_gpio_set(int gpio, int val); extern int nmk_gpio_get(int gpio); #endif /* __NMK_GPIO_H__ */