4a899d5e93
Based on an earlier patches by Stanley.Miao <stanley.miao@windriver.com> and Nishant Kamat <nskamat@ti.com>. Note that at the ads7846 support still needs support for vaux_control for the touchscreen to work. Signed-off-by: Tony Lindgren <tony@atomide.com>
44 lines
1.2 KiB
C
44 lines
1.2 KiB
C
/*
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* arch/arm/plat-omap/include/mach/keypad.h
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*
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* Copyright (C) 2006 Komal Shah <komal_shah802003@yahoo.com>
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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 version 2 as
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* published by the Free Software Foundation.
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*/
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#ifndef ASMARM_ARCH_KEYPAD_H
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#define ASMARM_ARCH_KEYPAD_H
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struct omap_kp_platform_data {
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int rows;
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int cols;
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int *keymap;
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unsigned int keymapsize;
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unsigned int rep:1;
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unsigned long delay;
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unsigned int dbounce:1;
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/* specific to OMAP242x*/
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unsigned int *row_gpios;
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unsigned int *col_gpios;
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};
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/* Group (0..3) -- when multiple keys are pressed, only the
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* keys pressed in the same group are considered as pressed. This is
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* in order to workaround certain crappy HW designs that produce ghost
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* keypresses. */
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#define GROUP_0 (0 << 16)
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#define GROUP_1 (1 << 16)
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#define GROUP_2 (2 << 16)
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#define GROUP_3 (3 << 16)
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#define GROUP_MASK GROUP_3
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#define KEY_PERSISTENT 0x00800000
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#define KEYNUM_MASK 0x00EFFFFF
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#define KEY(col, row, val) (((col) << 28) | ((row) << 24) | (val))
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#define PERSISTENT_KEY(col, row) (((col) << 28) | ((row) << 24) | \
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KEY_PERSISTENT)
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#endif
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