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1/* 2 * FILE NAME ite_gpio.h 3 * 4 * BRIEF MODULE DESCRIPTION 5 * Generic gpio. 6 * 7 * Author: MontaVista Software, Inc. <source@mvista.com> 8 * Hai-Pao Fan <haipao@mvista.com> 9 * 10 * Copyright 2001 MontaVista Software Inc. 11 * 12 * This program is free software; you can redistribute it and/or modify it 13 * under the terms of the GNU General Public License as published by the 14 * Free Software Foundation; either version 2 of the License, or (at your 15 * option) any later version. 16 * 17 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED 18 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 19 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN 20 * NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 21 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 22 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF 23 * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON 24 * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 27 * 28 * You should have received a copy of the GNU General Public License along 29 * with this program; if not, write to the Free Software Foundation, Inc., 30 * 675 Mass Ave, Cambridge, MA 02139, USA. 31 */ 32 33#ifndef __ITE_GPIO_H 34#define __ITE_GPIO_H 35 36#include <linux/ioctl.h> 37 38struct ite_gpio_ioctl_data { 39 __u32 device; 40 __u32 mask; 41 __u32 data; 42}; 43 44#define ITE_GPIO_IOCTL_BASE 'Z' 45 46#define ITE_GPIO_IN _IOWR(ITE_GPIO_IOCTL_BASE, 0, struct ite_gpio_ioctl_data) 47#define ITE_GPIO_OUT _IOW (ITE_GPIO_IOCTL_BASE, 1, struct ite_gpio_ioctl_data) 48#define ITE_GPIO_INT_CTRL _IOW (ITE_GPIO_IOCTL_BASE, 2, struct ite_gpio_ioctl_data) 49#define ITE_GPIO_IN_STATUS _IOW (ITE_GPIO_IOCTL_BASE, 3, struct ite_gpio_ioctl_data) 50#define ITE_GPIO_OUT_STATUS _IOW (ITE_GPIO_IOCTL_BASE, 4, struct ite_gpio_ioctl_data) 51#define ITE_GPIO_GEN_CTRL _IOW (ITE_GPIO_IOCTL_BASE, 5, struct ite_gpio_ioctl_data) 52#define ITE_GPIO_INT_WAIT _IOW (ITE_GPIO_IOCTL_BASE, 6, struct ite_gpio_ioctl_data) 53 54#define ITE_GPIO_PORTA 0x01 55#define ITE_GPIO_PORTB 0x02 56#define ITE_GPIO_PORTC 0x04 57 58extern int ite_gpio_in(__u32 device, __u32 mask, volatile __u32 *data); 59extern int ite_gpio_out(__u32 device, __u32 mask, __u32 data); 60extern int ite_gpio_int_ctrl(__u32 device, __u32 mask, __u32 data); 61extern int ite_gpio_in_status(__u32 device, __u32 mask, volatile __u32 *data); 62extern int ite_gpio_out_status(__u32 device, __u32 mask, __u32 data); 63extern int ite_gpio_gen_ctrl(__u32 device, __u32 mask, __u32 data); 64extern int ite_gpio_int_wait(__u32 device, __u32 mask, __u32 data); 65 66#endif