target/msm8660_surf/keypad.c

/*
 * Copyright (c) 2010-2011, Code Aurora Forum. All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *     * Redistributions of source code must retain the above copyright
 *       notice, this list of conditions and the following disclaimer.
 *     * Redistributions in binary form must reproduce the above copyright
 *       notice, this list of conditions and the following disclaimer in the
 *       documentation and/or other materials provided with the distribution.
 *     * Neither the name of Code Aurora nor
 *       the names of its contributors may be used to endorse or promote
 *       products derived from this software without specific prior written
 *       permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
 * NON-INFRINGEMENT ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR
 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 *
 */

#include <dev/keys.h>
#include <dev/gpio_keypad.h>
#include <platform.h>

#define LINUX_MACHTYPE_8660_QT      3298
#define BITS_IN_ELEMENT(x) (sizeof(x)[0] * 8)
#define KEYMAP_INDEX(row, col) (row)* BITS_IN_ELEMENT(qwerty_keys_new) + (col)

static unsigned char qwerty_keys_old[] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00};
static unsigned char qwerty_keys_new[] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00};

static unsigned int qt_keymap[] = {
    [KEYMAP_INDEX(0, 3)] = KEY_BACK,          /* Volume down key */
    [KEYMAP_INDEX(1, 3)] = KEY_HOME,          /* Volume up key */
};

static struct qwerty_keypad_info qt_keypad = {
    .keymap         = qt_keymap,
    .old_keys       = qwerty_keys_old,
    .rec_keys       = qwerty_keys_new,
    .rows           = 3,
    .columns        = 1,
    .num_of_reads   = 3,
    .rd_func        = &pa1_ssbi2_read_bytes,
    .wr_func        = &pa1_ssbi2_write_bytes,
    .settle_time    = 32 /* msec */,
    .poll_time	    = 10 /* msec */,
};

static unsigned int qwerty_keymap[] = {
    [KEYMAP_INDEX(1, 3)] = KEY_BACK,          /* Volume down key */
    [KEYMAP_INDEX(0, 3)] = KEY_HOME,          /* Volume up key */
};

static struct qwerty_keypad_info qwerty_keypad = {
    .keymap         = qwerty_keymap,
    .old_keys       = qwerty_keys_old,
    .rec_keys       = qwerty_keys_new,
    .rows           = 6,
    .columns        = 5,
    .num_of_reads   = 6,
    .rd_func        = &pa1_ssbi2_read_bytes,
    .wr_func        = &pa1_ssbi2_write_bytes,
    .settle_time    = 5 /* msec */,
    .poll_time	    = 20 /* msec */,
};

void keypad_init(void)
{
    unsigned int mach_id;

    mach_id = board_machtype();

    if(mach_id == LINUX_MACHTYPE_8660_QT)
        ssbi_keypad_init(&qt_keypad);
    else
        ssbi_keypad_init(&qwerty_keypad);
}