ite_gpio.h
上传用户:lgb322
上传日期:2013-02-24
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文件大小:3k
- /*
- * FILE NAME ite_gpio.h
- *
- * BRIEF MODULE DESCRIPTION
- * Generic gpio.
- *
- * Author: MontaVista Software, Inc. <source@mvista.com>
- * Hai-Pao Fan <haipao@mvista.com>
- *
- * Copyright 2001 MontaVista Software Inc.
- *
- * 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 SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED
- * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
- * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN
- * NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
- * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
- * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
- * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
- * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
- * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- *
- * 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.,
- * 675 Mass Ave, Cambridge, MA 02139, USA.
- */
- #ifndef __ITE_GPIO_H
- #define __ITE_GPIO_H
- #include <linux/ioctl.h>
- struct ite_gpio_ioctl_data {
- __u32 device;
- __u32 mask;
- __u32 data;
- };
- #define ITE_GPIO_IOCTL_BASE 'Z'
- #define ITE_GPIO_IN _IOWR(ITE_GPIO_IOCTL_BASE, 0, struct ite_gpio_ioctl_data)
- #define ITE_GPIO_OUT _IOW (ITE_GPIO_IOCTL_BASE, 1, struct ite_gpio_ioctl_data)
- #define ITE_GPIO_INT_CTRL _IOW (ITE_GPIO_IOCTL_BASE, 2, struct ite_gpio_ioctl_data)
- #define ITE_GPIO_IN_STATUS _IOW (ITE_GPIO_IOCTL_BASE, 3, struct ite_gpio_ioctl_data)
- #define ITE_GPIO_OUT_STATUS _IOW (ITE_GPIO_IOCTL_BASE, 4, struct ite_gpio_ioctl_data)
- #define ITE_GPIO_GEN_CTRL _IOW (ITE_GPIO_IOCTL_BASE, 5, struct ite_gpio_ioctl_data)
- #define ITE_GPIO_INT_WAIT _IOW (ITE_GPIO_IOCTL_BASE, 6, struct ite_gpio_ioctl_data)
- #define ITE_GPIO_PORTA 0x01
- #define ITE_GPIO_PORTB 0x02
- #define ITE_GPIO_PORTC 0x04
- extern int ite_gpio_in(__u32 device, __u32 mask, volatile __u32 *data);
- extern int ite_gpio_out(__u32 device, __u32 mask, __u32 data);
- extern int ite_gpio_int_ctrl(__u32 device, __u32 mask, __u32 data);
- extern int ite_gpio_in_status(__u32 device, __u32 mask, volatile __u32 *data);
- extern int ite_gpio_out_status(__u32 device, __u32 mask, __u32 data);
- extern int ite_gpio_gen_ctrl(__u32 device, __u32 mask, __u32 data);
- extern int ite_gpio_int_wait(__u32 device, __u32 mask, __u32 data);
- #endif