M7350/bootable/bootloader/lk/target/msm7630_surf/keypad.c
2024-09-09 08:52:07 +00:00

69 lines
2.7 KiB
C

/*
* Copyright (c) 2009, Google Inc.
* All rights reserved.
* Copyright (c) 2009-2010, The Linux Foundation. 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 Google, Inc. 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 AND FITNESS
* FOR A PARTICULAR PURPOSE 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/ssbi.h>
#include <dev/gpio_keypad.h>
#define ARRAY_SIZE(x) (sizeof(x)/sizeof((x)[0]))
#define BITS_IN_ELEMENT(x) (sizeof(x)[0] * 8)
static unsigned char qwerty_keys_old[] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };
static unsigned char qwerty_keys_new[] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };
#define KEYMAP_INDEX(row, col) (row)* BITS_IN_ELEMENT(qwerty_keys_new) + (col)
static unsigned int qwerty_keymap[] = {
[KEYMAP_INDEX(4, 2)] = KEY_BACK, /* -L on SURF & FFA */
[KEYMAP_INDEX(3, 4)] = KEY_HOME, /* +R on SURF & FFA */
[KEYMAP_INDEX(1, 3)] = KEY_VOLUMEUP, /* '+' of left side switch on FLUID */
[KEYMAP_INDEX(1, 4)] = KEY_VOLUMEDOWN, /* '-' of left side switch on FLUID */
};
static struct qwerty_keypad_info qwerty_keypad = {
.keymap = qwerty_keymap,
.old_keys = qwerty_keys_old,
.rec_keys = qwerty_keys_new,
.rows = 5,
.columns = 5,
.num_of_reads = 6,
.rd_func = &i2c_ssbi_read_bytes,
.wr_func = &i2c_ssbi_write_bytes,
.settle_time = 5 /* msec */ ,
.poll_time = 20 /* msec */ ,
};
void keypad_init(void)
{
ssbi_keypad_init(&qwerty_keypad);
}