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1da177e4 LT |
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 | ||
38 | struct 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 | ||
58 | extern int ite_gpio_in(__u32 device, __u32 mask, volatile __u32 *data); | |
59 | extern int ite_gpio_out(__u32 device, __u32 mask, __u32 data); | |
60 | extern int ite_gpio_int_ctrl(__u32 device, __u32 mask, __u32 data); | |
61 | extern int ite_gpio_in_status(__u32 device, __u32 mask, volatile __u32 *data); | |
62 | extern int ite_gpio_out_status(__u32 device, __u32 mask, __u32 data); | |
63 | extern int ite_gpio_gen_ctrl(__u32 device, __u32 mask, __u32 data); | |
64 | extern int ite_gpio_int_wait(__u32 device, __u32 mask, __u32 data); | |
65 | ||
66 | #endif |