67 lines
2.7 KiB
C
67 lines
2.7 KiB
C
/*
|
|
* 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
|