133 lines
3.9 KiB
C
133 lines
3.9 KiB
C
/* arch/arm/mach-msm/board-sapphire-keypad.c
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* Copyright (C) 2007-2009 HTC Corporation.
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* Author: Thomas Tsai <thomas_tsai@htc.com>
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*
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* This software is licensed under the terms of the GNU General Public
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* License version 2, as published by the Free Software Foundation, and
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* may be copied, distributed, and modified under those terms.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*/
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#include <linux/platform_device.h>
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#include <linux/input.h>
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#include <linux/interrupt.h>
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#include <linux/gpio_event.h>
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#include <asm/mach-types.h>
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#include "gpio_chip.h"
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#include "board-sapphire.h"
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static char *keycaps = "--qwerty";
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#undef MODULE_PARAM_PREFIX
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#define MODULE_PARAM_PREFIX "board_sapphire."
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module_param_named(keycaps, keycaps, charp, 0);
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static unsigned int sapphire_col_gpios[] = { 35, 34 };
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/* KP_MKIN2 (GPIO40) is not used? */
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static unsigned int sapphire_row_gpios[] = { 42, 41 };
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#define KEYMAP_INDEX(col, row) ((col)*ARRAY_SIZE(sapphire_row_gpios) + (row))
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/*scan matrix key*/
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/* HOME(up) MENU (up) Back Search */
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static const unsigned short sapphire_keymap2[ARRAY_SIZE(sapphire_col_gpios) * ARRAY_SIZE(sapphire_row_gpios)] = {
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[KEYMAP_INDEX(0, 0)] = KEY_COMPOSE,
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[KEYMAP_INDEX(0, 1)] = KEY_BACK,
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[KEYMAP_INDEX(1, 0)] = KEY_MENU,
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[KEYMAP_INDEX(1, 1)] = KEY_SEND,
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};
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/* HOME(up) + MENU (down)*/
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static const unsigned short sapphire_keymap1[ARRAY_SIZE(sapphire_col_gpios) *
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ARRAY_SIZE(sapphire_row_gpios)] = {
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[KEYMAP_INDEX(0, 0)] = KEY_BACK,
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[KEYMAP_INDEX(0, 1)] = KEY_MENU,
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[KEYMAP_INDEX(1, 0)] = KEY_HOME,
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[KEYMAP_INDEX(1, 1)] = KEY_SEND,
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};
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/* MENU(up) + HOME (down)*/
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static const unsigned short sapphire_keymap0[ARRAY_SIZE(sapphire_col_gpios) *
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ARRAY_SIZE(sapphire_row_gpios)] = {
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[KEYMAP_INDEX(0, 0)] = KEY_BACK,
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[KEYMAP_INDEX(0, 1)] = KEY_HOME,
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[KEYMAP_INDEX(1, 0)] = KEY_MENU,
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[KEYMAP_INDEX(1, 1)] = KEY_SEND,
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};
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static struct gpio_event_matrix_info sapphire_keypad_matrix_info = {
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.info.func = gpio_event_matrix_func,
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.keymap = sapphire_keymap2,
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.output_gpios = sapphire_col_gpios,
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.input_gpios = sapphire_row_gpios,
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.noutputs = ARRAY_SIZE(sapphire_col_gpios),
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.ninputs = ARRAY_SIZE(sapphire_row_gpios),
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.settle_time.tv.nsec = 40 * NSEC_PER_USEC,
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.poll_time.tv.nsec = 20 * NSEC_PER_MSEC,
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.debounce_delay.tv.nsec = 50 * NSEC_PER_MSEC,
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.flags = GPIOKPF_LEVEL_TRIGGERED_IRQ |
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GPIOKPF_REMOVE_PHANTOM_KEYS |
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GPIOKPF_PRINT_UNMAPPED_KEYS /*| GPIOKPF_PRINT_MAPPED_KEYS*/
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};
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static struct gpio_event_direct_entry sapphire_keypad_nav_map[] = {
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{ SAPPHIRE_POWER_KEY, KEY_END },
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{ SAPPHIRE_VOLUME_UP, KEY_VOLUMEUP },
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{ SAPPHIRE_VOLUME_DOWN, KEY_VOLUMEDOWN },
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};
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static struct gpio_event_input_info sapphire_keypad_nav_info = {
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.info.func = gpio_event_input_func,
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.flags = 0,
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.type = EV_KEY,
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.keymap = sapphire_keypad_nav_map,
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.debounce_time.tv.nsec = 20 * NSEC_PER_MSEC,
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.keymap_size = ARRAY_SIZE(sapphire_keypad_nav_map)
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};
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static struct gpio_event_info *sapphire_keypad_info[] = {
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&sapphire_keypad_matrix_info.info,
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&sapphire_keypad_nav_info.info,
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};
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static struct gpio_event_platform_data sapphire_keypad_data = {
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.name = "sapphire-keypad",
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.info = sapphire_keypad_info,
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.info_count = ARRAY_SIZE(sapphire_keypad_info)
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};
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static struct platform_device sapphire_keypad_device = {
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.name = GPIO_EVENT_DEV_NAME,
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.id = 0,
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.dev = {
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.platform_data = &sapphire_keypad_data,
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},
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};
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static int __init sapphire_init_keypad(void)
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{
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if (!machine_is_sapphire())
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return 0;
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switch (sapphire_get_hwid()) {
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case 0:
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sapphire_keypad_matrix_info.keymap = sapphire_keymap0;
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break;
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default:
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if(system_rev != 0x80)
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sapphire_keypad_matrix_info.keymap = sapphire_keymap1;
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break;
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}
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return platform_device_register(&sapphire_keypad_device);
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}
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device_initcall(sapphire_init_keypad);
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