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-rw-r--r--arch/arm/mach-tegra/include/mach/kbc.h61
1 files changed, 61 insertions, 0 deletions
diff --git a/arch/arm/mach-tegra/include/mach/kbc.h b/arch/arm/mach-tegra/include/mach/kbc.h
new file mode 100644
index 000000000000..66ad2760c621
--- /dev/null
+++ b/arch/arm/mach-tegra/include/mach/kbc.h
@@ -0,0 +1,61 @@
1/*
2 * Platform definitions for tegra-kbc keyboard input driver
3 *
4 * Copyright (c) 2010-2011, NVIDIA Corporation.
5 *
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
10 *
11 * This program is distributed in the hope that it will be useful, but WITHOUT
12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
14 * more details.
15 *
16 * You should have received a copy of the GNU General Public License along
17 * with this program; if not, write to the Free Software Foundation, Inc.,
18 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
19 */
20
21#ifndef ASMARM_ARCH_TEGRA_KBC_H
22#define ASMARM_ARCH_TEGRA_KBC_H
23
24#include <linux/types.h>
25#include <linux/input/matrix_keypad.h>
26
27#ifdef CONFIG_ARCH_TEGRA_2x_SOC
28#define KBC_MAX_GPIO 24
29#define KBC_MAX_KPENT 8
30#else
31#define KBC_MAX_GPIO 20
32#define KBC_MAX_KPENT 7
33#endif
34
35#define KBC_MAX_ROW 16
36#define KBC_MAX_COL 8
37#define KBC_MAX_KEY (KBC_MAX_ROW * KBC_MAX_COL)
38
39struct tegra_kbc_pin_cfg {
40 bool is_row;
41 unsigned char num;
42};
43
44struct tegra_kbc_wake_key {
45 u8 row:4;
46 u8 col:4;
47};
48
49struct tegra_kbc_platform_data {
50 unsigned int debounce_cnt;
51 unsigned int repeat_cnt;
52
53 unsigned int wake_cnt; /* 0:wake on any key >1:wake on wake_cfg */
54 const struct tegra_kbc_wake_key *wake_cfg;
55
56 struct tegra_kbc_pin_cfg pin_cfg[KBC_MAX_GPIO];
57 const struct matrix_keymap_data *keymap_data;
58
59 bool wakeup;
60};
61#endif