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/* linux/arch/arm/mach-msm/board-halibut-keypad.c
*
* Copyright (C) 2007 Google, Inc.
* Author: Brian Swetland <swetland@google.com>
*
* This software is licensed under the terms of the GNU General Public
* License version 2, as published by the Free Software Foundation, and
* may be copied, distributed, and modified under those terms.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
*/
#include <asm/mach-types.h>
#include <linux/platform_device.h>
#include <linux/gpio_event.h>
#undef MODULE_PARAM_PREFIX
#define MODULE_PARAM_PREFIX "board_halibut."
static int halibut_ffa;
module_param_named(ffa, halibut_ffa, int, S_IRUGO | S_IWUSR | S_IWGRP);
#define SCAN_FUNCTION_KEYS 0 /* don't turn this on without updating the ffa support */
static unsigned int halibut_row_gpios[] = {
31, 32, 33, 34, 35, 41
#if SCAN_FUNCTION_KEYS
, 42
#endif
};
static unsigned int halibut_col_gpios[] = { 36, 37, 38, 39, 40 };
/* FFA:
36: KEYSENSE_N(0)
37: KEYSENSE_N(1)
38: KEYSENSE_N(2)
39: KEYSENSE_N(3)
40: KEYSENSE_N(4)
31: KYPD_17
32: KYPD_15
33: KYPD_13
34: KYPD_11
35: KYPD_9
41: KYPD_MEMO
*/
#define KEYMAP_INDEX(row, col) ((row)*ARRAY_SIZE(halibut_col_gpios) + (col))
static const unsigned short halibut_keymap[ARRAY_SIZE(halibut_col_gpios) * ARRAY_SIZE(halibut_row_gpios)] = {
[KEYMAP_INDEX(0, 0)] = KEY_5,
[KEYMAP_INDEX(0, 1)] = KEY_9,
[KEYMAP_INDEX(0, 2)] = 229, /* SOFT1 */
[KEYMAP_INDEX(0, 3)] = KEY_6,
[KEYMAP_INDEX(0, 4)] = KEY_LEFT,
[KEYMAP_INDEX(1, 0)] = KEY_0,
[KEYMAP_INDEX(1, 1)] = KEY_RIGHT,
[KEYMAP_INDEX(1, 2)] = KEY_1,
[KEYMAP_INDEX(1, 3)] = 228, /* KEY_SHARP */
[KEYMAP_INDEX(1, 4)] = KEY_SEND,
[KEYMAP_INDEX(2, 0)] = KEY_VOLUMEUP,
[KEYMAP_INDEX(2, 1)] = KEY_HOME, /* FA */
[KEYMAP_INDEX(2, 2)] = KEY_F8, /* QCHT */
[KEYMAP_INDEX(2, 3)] = KEY_F6, /* R+ */
[KEYMAP_INDEX(2, 4)] = KEY_F7, /* R- */
[KEYMAP_INDEX(3, 0)] = KEY_UP,
[KEYMAP_INDEX(3, 1)] = KEY_CLEAR,
[KEYMAP_INDEX(3, 2)] = KEY_4,
[KEYMAP_INDEX(3, 3)] = KEY_MUTE, /* SPKR */
[KEYMAP_INDEX(3, 4)] = KEY_2,
[KEYMAP_INDEX(4, 0)] = 230, /* SOFT2 */
[KEYMAP_INDEX(4, 1)] = 232, /* KEY_CENTER */
[KEYMAP_INDEX(4, 2)] = KEY_DOWN,
[KEYMAP_INDEX(4, 3)] = KEY_BACK, /* FB */
[KEYMAP_INDEX(4, 4)] = KEY_8,
[KEYMAP_INDEX(5, 0)] = KEY_VOLUMEDOWN,
[KEYMAP_INDEX(5, 1)] = 227, /* KEY_STAR */
[KEYMAP_INDEX(5, 2)] = KEY_MAIL, /* MESG */
[KEYMAP_INDEX(5, 3)] = KEY_3,
[KEYMAP_INDEX(5, 4)] = KEY_7,
#if SCAN_FUNCTION_KEYS
[KEYMAP_INDEX(6, 0)] = KEY_F5,
[KEYMAP_INDEX(6, 1)] = KEY_F4,
[KEYMAP_INDEX(6, 2)] = KEY_F3,
[KEYMAP_INDEX(6, 3)] = KEY_F2,
[KEYMAP_INDEX(6, 4)] = KEY_F1
#endif
};
static const unsigned short halibut_keymap_ffa[ARRAY_SIZE(halibut_col_gpios) * ARRAY_SIZE(halibut_row_gpios)] = {
/*[KEYMAP_INDEX(0, 0)] = ,*/
/*[KEYMAP_INDEX(0, 1)] = ,*/
[KEYMAP_INDEX(0, 2)] = KEY_1,
[KEYMAP_INDEX(0, 3)] = KEY_SEND,
[KEYMAP_INDEX(0, 4)] = KEY_LEFT,
[KEYMAP_INDEX(1, 0)] = KEY_3,
[KEYMAP_INDEX(1, 1)] = KEY_RIGHT,
[KEYMAP_INDEX(1, 2)] = KEY_VOLUMEUP,
/*[KEYMAP_INDEX(1, 3)] = ,*/
[KEYMAP_INDEX(1, 4)] = KEY_6,
[KEYMAP_INDEX(2, 0)] = KEY_HOME, /* A */
[KEYMAP_INDEX(2, 1)] = KEY_BACK, /* B */
[KEYMAP_INDEX(2, 2)] = KEY_0,
[KEYMAP_INDEX(2, 3)] = 228, /* KEY_SHARP */
[KEYMAP_INDEX(2, 4)] = KEY_9,
[KEYMAP_INDEX(3, 0)] = KEY_UP,
[KEYMAP_INDEX(3, 1)] = 232, /* KEY_CENTER */ /* i */
[KEYMAP_INDEX(3, 2)] = KEY_4,
/*[KEYMAP_INDEX(3, 3)] = ,*/
[KEYMAP_INDEX(3, 4)] = KEY_2,
[KEYMAP_INDEX(4, 0)] = KEY_VOLUMEDOWN,
[KEYMAP_INDEX(4, 1)] = KEY_SOUND,
[KEYMAP_INDEX(4, 2)] = KEY_DOWN,
[KEYMAP_INDEX(4, 3)] = KEY_8,
[KEYMAP_INDEX(4, 4)] = KEY_5,
/*[KEYMAP_INDEX(5, 0)] = ,*/
[KEYMAP_INDEX(5, 1)] = 227, /* KEY_STAR */
[KEYMAP_INDEX(5, 2)] = 230, /*SOFT2*/ /* 2 */
[KEYMAP_INDEX(5, 3)] = KEY_MENU, /* 1 */
[KEYMAP_INDEX(5, 4)] = KEY_7,
};
static struct gpio_event_matrix_info halibut_matrix_info = {
.info.func = gpio_event_matrix_func,
.keymap = halibut_keymap,
.output_gpios = halibut_row_gpios,
.input_gpios = halibut_col_gpios,
.noutputs = ARRAY_SIZE(halibut_row_gpios),
.ninputs = ARRAY_SIZE(halibut_col_gpios),
.settle_time.tv.nsec = 0,
.poll_time.tv.nsec = 20 * NSEC_PER_MSEC,
.flags = GPIOKPF_LEVEL_TRIGGERED_IRQ | GPIOKPF_DRIVE_INACTIVE | GPIOKPF_PRINT_UNMAPPED_KEYS /*| GPIOKPF_PRINT_MAPPED_KEYS*/
};
struct gpio_event_info *halibut_keypad_info[] = {
&halibut_matrix_info.info
};
static struct gpio_event_platform_data halibut_keypad_data = {
.name = "halibut_keypad",
.info = halibut_keypad_info,
.info_count = ARRAY_SIZE(halibut_keypad_info)
};
static struct platform_device halibut_keypad_device = {
.name = GPIO_EVENT_DEV_NAME,
.id = -1,
.dev = {
.platform_data = &halibut_keypad_data,
},
};
static int __init halibut_init_keypad(void)
{
if (!machine_is_halibut())
return 0;
if (halibut_ffa)
halibut_matrix_info.keymap = halibut_keymap_ffa;
return platform_device_register(&halibut_keypad_device);
}
device_initcall(halibut_init_keypad);
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