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67 lines
2.7 KiB
67 lines
2.7 KiB
20 years ago
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/*
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* FILE NAME ite_gpio.h
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*
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* BRIEF MODULE DESCRIPTION
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* Generic gpio.
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*
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* Author: MontaVista Software, Inc. <source@mvista.com>
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* Hai-Pao Fan <haipao@mvista.com>
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*
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* Copyright 2001 MontaVista Software Inc.
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the
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* Free Software Foundation; either version 2 of the License, or (at your
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* option) any later version.
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*
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* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED
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* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN
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* NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
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* USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
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* ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#ifndef __ITE_GPIO_H
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#define __ITE_GPIO_H
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#include <linux/ioctl.h>
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struct ite_gpio_ioctl_data {
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__u32 device;
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__u32 mask;
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__u32 data;
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};
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#define ITE_GPIO_IOCTL_BASE 'Z'
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#define ITE_GPIO_IN _IOWR(ITE_GPIO_IOCTL_BASE, 0, struct ite_gpio_ioctl_data)
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#define ITE_GPIO_OUT _IOW (ITE_GPIO_IOCTL_BASE, 1, struct ite_gpio_ioctl_data)
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#define ITE_GPIO_INT_CTRL _IOW (ITE_GPIO_IOCTL_BASE, 2, struct ite_gpio_ioctl_data)
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#define ITE_GPIO_IN_STATUS _IOW (ITE_GPIO_IOCTL_BASE, 3, struct ite_gpio_ioctl_data)
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#define ITE_GPIO_OUT_STATUS _IOW (ITE_GPIO_IOCTL_BASE, 4, struct ite_gpio_ioctl_data)
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#define ITE_GPIO_GEN_CTRL _IOW (ITE_GPIO_IOCTL_BASE, 5, struct ite_gpio_ioctl_data)
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#define ITE_GPIO_INT_WAIT _IOW (ITE_GPIO_IOCTL_BASE, 6, struct ite_gpio_ioctl_data)
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#define ITE_GPIO_PORTA 0x01
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#define ITE_GPIO_PORTB 0x02
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#define ITE_GPIO_PORTC 0x04
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extern int ite_gpio_in(__u32 device, __u32 mask, volatile __u32 *data);
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extern int ite_gpio_out(__u32 device, __u32 mask, __u32 data);
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extern int ite_gpio_int_ctrl(__u32 device, __u32 mask, __u32 data);
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extern int ite_gpio_in_status(__u32 device, __u32 mask, volatile __u32 *data);
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extern int ite_gpio_out_status(__u32 device, __u32 mask, __u32 data);
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extern int ite_gpio_gen_ctrl(__u32 device, __u32 mask, __u32 data);
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extern int ite_gpio_int_wait(__u32 device, __u32 mask, __u32 data);
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#endif
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