11f5b30dac
This patch adds support for the internal matrix keyboard controller for Nvidia Tegra platforms. Signed-off-by: Rakesh Iyer <riyer@nvidia.com> Reviewed-by: Trilok Soni <tsoni@codeaurora.org> Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
62 lines
1.6 KiB
C
62 lines
1.6 KiB
C
/*
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* Platform definitions for tegra-kbc keyboard input driver
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*
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* Copyright (c) 2010-2011, NVIDIA Corporation.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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* more details.
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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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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*/
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#ifndef ASMARM_ARCH_TEGRA_KBC_H
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#define ASMARM_ARCH_TEGRA_KBC_H
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#include <linux/types.h>
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#include <linux/input/matrix_keypad.h>
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#ifdef CONFIG_ARCH_TEGRA_2x_SOC
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#define KBC_MAX_GPIO 24
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#define KBC_MAX_KPENT 8
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#else
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#define KBC_MAX_GPIO 20
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#define KBC_MAX_KPENT 7
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#endif
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#define KBC_MAX_ROW 16
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#define KBC_MAX_COL 8
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#define KBC_MAX_KEY (KBC_MAX_ROW * KBC_MAX_COL)
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struct tegra_kbc_pin_cfg {
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bool is_row;
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unsigned char num;
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};
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struct tegra_kbc_wake_key {
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u8 row:4;
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u8 col:4;
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};
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struct tegra_kbc_platform_data {
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unsigned int debounce_cnt;
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unsigned int repeat_cnt;
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unsigned int wake_cnt; /* 0:wake on any key >1:wake on wake_cfg */
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const struct tegra_kbc_wake_key *wake_cfg;
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struct tegra_kbc_pin_cfg pin_cfg[KBC_MAX_GPIO];
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const struct matrix_keymap_data *keymap_data;
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bool wakeup;
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};
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#endif
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