/* * linux/include/asm-arm/arch-ixp4xx/gpio.h * * IXP4XX GPIO wrappers for arch-neutral GPIO calls * * Written by Milan Svoboda * Based on PXA implementation by Philipp Zabel * * 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 __ASM_ARCH_IXP4XX_GPIO_H #define __ASM_ARCH_IXP4XX_GPIO_H #include static inline int gpio_request(unsigned gpio, const char *label) { return 0; } static inline void gpio_free(unsigned gpio) { return; } static inline int gpio_direction_input(unsigned gpio) { gpio_line_config(gpio, IXP4XX_GPIO_IN); return 0; } static inline int gpio_direction_output(unsigned gpio, int level) { gpio_line_set(gpio, level); gpio_line_config(gpio, IXP4XX_GPIO_OUT); return 0; } static inline int gpio_get_value(unsigned gpio) { int value; gpio_line_get(gpio, &value); return value; } static inline void gpio_set_value(unsigned gpio, int value) { gpio_line_set(gpio, value); } #include /* cansleep wrappers */ extern int gpio_to_irq(int gpio); extern int irq_to_gpio(int gpio); #endif