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Diffstat (limited to 'include/asm-mips/mach-au1x00/au1000_gpio.h')
-rw-r--r--include/asm-mips/mach-au1x00/au1000_gpio.h56
1 files changed, 56 insertions, 0 deletions
diff --git a/include/asm-mips/mach-au1x00/au1000_gpio.h b/include/asm-mips/mach-au1x00/au1000_gpio.h
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index 000000000000..298f92012e8e
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+++ b/include/asm-mips/mach-au1x00/au1000_gpio.h
@@ -0,0 +1,56 @@
1/*
2 * FILE NAME au1000_gpio.h
3 *
4 * BRIEF MODULE DESCRIPTION
5 * API to Alchemy Au1000 GPIO device.
6 *
7 * Author: MontaVista Software, Inc. <source@mvista.com>
8 * Steve Longerbeam <stevel@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 __AU1000_GPIO_H
34#define __AU1000_GPIO_H
35
36#include <linux/ioctl.h>
37
38#define AU1000GPIO_IOC_MAGIC 'A'
39
40#define AU1000GPIO_IN _IOR (AU1000GPIO_IOC_MAGIC, 0, int)
41#define AU1000GPIO_SET _IOW (AU1000GPIO_IOC_MAGIC, 1, int)
42#define AU1000GPIO_CLEAR _IOW (AU1000GPIO_IOC_MAGIC, 2, int)
43#define AU1000GPIO_OUT _IOW (AU1000GPIO_IOC_MAGIC, 3, int)
44#define AU1000GPIO_TRISTATE _IOW (AU1000GPIO_IOC_MAGIC, 4, int)
45#define AU1000GPIO_AVAIL_MASK _IOR (AU1000GPIO_IOC_MAGIC, 5, int)
46
47#ifdef __KERNEL__
48extern u32 get_au1000_avail_gpio_mask(void);
49extern int au1000gpio_tristate(u32 data);
50extern int au1000gpio_in(u32 *data);
51extern int au1000gpio_set(u32 data);
52extern int au1000gpio_clear(u32 data);
53extern int au1000gpio_out(u32 data);
54#endif
55
56#endif