aboutsummaryrefslogtreecommitdiffstats
path: root/target/linux/ubicom32/files/arch/ubicom32/include/asm/ubicom32input.h
blob: dea5c792863b40dd5f7098d85060d81385654494 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
/*
 * arch/ubicom32/include/asm/ubicom32input.h
 *   Ubicom32 Input driver, based on gpio-keys
 *
 * (C) Copyright 2009, Ubicom, Inc.
 *
 * This file is part of the Ubicom32 Linux Kernel Port.
 *
 * The Ubicom32 Linux Kernel Port 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.
 *
 * The Ubicom32 Linux Kernel Port is distributed in the hope that it
 * will be useful, but WITHOUT ANY WARRANTY; without even the implied
 * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
 * the GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with the Ubicom32 Linux Kernel Port.  If not,
 * see <http://www.gnu.org/licenses/>.
 *
 * Ubicom32 implementation derived from (with many thanks):
 *   arch/m68knommu
 *   arch/blackfin
 *   arch/parisc
 *
 * TODO: add groups for inputs which can be sampled together
 */

#ifndef _ASM_UBICOM32_UBICOM32_INPUT_H
#define _ASM_UBICOM32_UBICOM32_INPUT_H

struct ubicom32input_button {
	/*
	 * Input event code (KEY_*, SW_*, etc)
	 */
	int		code;

	/*
	 * Input event type (EV_KEY, EV_SW, etc)
	 */
	int		type;

	/*
	 * GPIO to poll
	 */
	int		gpio;

	/*
	 * 1 for active low, 0 for active high
	 */
	int		active_low;

	/*
	 * Description, used for reserving GPIOs
	 */
	const char	*desc;
};

struct ubicom32input_platform_data {
	struct ubicom32input_button	*buttons;
	int				nbuttons;

	/*
	 * Optional poll interval, in ms, defaults to 50ms
	 */
	int				poll_interval;

	/*
	 * Option Name of this driver
	 */
	const char			*name;
};

#endif /* _ASM_UBICOM32_UBICOM32_INPUT_H */