arch/arm/mach-msm/board-trout-keypad.c - kernel/msm - Git at Google

 /* arch/arm/mach-msm/board-trout-keypad.c
  *
  * Copyright (C) 2008 Google, Inc.
  *
  * 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 <linux/platform_device.h>
 #include <linux/input.h>
 #include <linux/interrupt.h>
 #include <linux/gpio_event.h>
 #include <asm/mach-types.h>

 #include "board-trout.h"

 static char *keycaps = "--qwerty";
 #undef MODULE_PARAM_PREFIX
 #define MODULE_PARAM_PREFIX "board_trout."
 module_param_named(keycaps, keycaps, charp, 0);


 static unsigned int trout_col_gpios[] = { 35, 34, 33, 32, 31, 23, 30, 78 };
 static unsigned int trout_row_gpios[] = { 42, 41, 40, 39, 38, 37, 36 };

 #define KEYMAP_INDEX(col, row) ((col)*ARRAY_SIZE(trout_row_gpios) + (row))

 static const unsigned short trout_keymap[ARRAY_SIZE(trout_col_gpios) * ARRAY_SIZE(trout_row_gpios)] = {
 	[KEYMAP_INDEX(0, 0)] = KEY_BACK,
 	[KEYMAP_INDEX(0, 1)] = KEY_HOME,
 //	[KEYMAP_INDEX(0, 2)] = KEY_,
 	[KEYMAP_INDEX(0, 3)] = KEY_BACKSPACE,
 	[KEYMAP_INDEX(0, 4)] = KEY_ENTER,
 	[KEYMAP_INDEX(0, 5)] = KEY_RIGHTALT,
 	[KEYMAP_INDEX(0, 6)] = KEY_P,

 	[KEYMAP_INDEX(1, 0)] = KEY_MENU,
 //	[KEYMAP_INDEX(1, 0)] = 229, // SOFT1
 	[KEYMAP_INDEX(1, 1)] = KEY_SEND,
 	[KEYMAP_INDEX(1, 2)] = KEY_END,
 	[KEYMAP_INDEX(1, 3)] = KEY_LEFTALT,
 	[KEYMAP_INDEX(1, 4)] = KEY_A,
 	[KEYMAP_INDEX(1, 5)] = KEY_LEFTSHIFT,
 	[KEYMAP_INDEX(1, 6)] = KEY_Q,

 	[KEYMAP_INDEX(2, 0)] = KEY_U,
 	[KEYMAP_INDEX(2, 1)] = KEY_7,
 	[KEYMAP_INDEX(2, 2)] = KEY_K,
 	[KEYMAP_INDEX(2, 3)] = KEY_J,
 	[KEYMAP_INDEX(2, 4)] = KEY_M,
 	[KEYMAP_INDEX(2, 5)] = KEY_SLASH,
 	[KEYMAP_INDEX(2, 6)] = KEY_8,

 	[KEYMAP_INDEX(3, 0)] = KEY_5,
 	[KEYMAP_INDEX(3, 1)] = KEY_6,
 	[KEYMAP_INDEX(3, 2)] = KEY_B,
 	[KEYMAP_INDEX(3, 3)] = KEY_H,
 	[KEYMAP_INDEX(3, 4)] = KEY_N,
 	[KEYMAP_INDEX(3, 5)] = KEY_SPACE,
 	[KEYMAP_INDEX(3, 6)] = KEY_Y,

 	[KEYMAP_INDEX(4, 0)] = KEY_4,
 	[KEYMAP_INDEX(4, 1)] = KEY_R,
 	[KEYMAP_INDEX(4, 2)] = KEY_V,
 	[KEYMAP_INDEX(4, 3)] = KEY_G,
 	[KEYMAP_INDEX(4, 4)] = KEY_C,
 	//[KEYMAP_INDEX(4, 5)] = KEY_,
 	[KEYMAP_INDEX(4, 6)] = KEY_T,

 	[KEYMAP_INDEX(5, 0)] = KEY_2,
 	[KEYMAP_INDEX(5, 1)] = KEY_W,
 	[KEYMAP_INDEX(5, 2)] = KEY_COMPOSE,
 	[KEYMAP_INDEX(5, 3)] = KEY_VOLUMEUP,
 	[KEYMAP_INDEX(5, 4)] = KEY_S,
 	[KEYMAP_INDEX(5, 5)] = KEY_Z,
 	[KEYMAP_INDEX(5, 6)] = KEY_1,

 	[KEYMAP_INDEX(6, 0)] = KEY_I,
 	[KEYMAP_INDEX(6, 1)] = KEY_0,
 	[KEYMAP_INDEX(6, 2)] = KEY_O,
 	[KEYMAP_INDEX(6, 3)] = KEY_L,
 	[KEYMAP_INDEX(6, 4)] = KEY_DOT,
 	[KEYMAP_INDEX(6, 5)] = KEY_COMMA,
 	[KEYMAP_INDEX(6, 6)] = KEY_9,

 	[KEYMAP_INDEX(7, 0)] = KEY_3,
 	[KEYMAP_INDEX(7, 1)] = KEY_E,
 	[KEYMAP_INDEX(7, 2)] = KEY_EMAIL, // @
 	[KEYMAP_INDEX(7, 3)] = KEY_VOLUMEDOWN,
 	[KEYMAP_INDEX(7, 4)] = KEY_X,
 	[KEYMAP_INDEX(7, 5)] = KEY_F,
 	[KEYMAP_INDEX(7, 6)] = KEY_D
 };

 static unsigned int trout_col_gpios_evt2[] = { 35, 34, 33, 32, 31, 23, 30, 109 };
 static unsigned int trout_row_gpios_evt2[] = { 42, 41, 40, 39, 38, 37, 36 };

 static const unsigned short trout_keymap_evt2_1[ARRAY_SIZE(trout_col_gpios) * ARRAY_SIZE(trout_row_gpios)] = {
 	[KEYMAP_INDEX(0, 0)] = KEY_BACK,
 	[KEYMAP_INDEX(0, 1)] = KEY_HOME,
 //	[KEYMAP_INDEX(0, 2)] = KEY_,
 	[KEYMAP_INDEX(0, 3)] = KEY_BACKSPACE,
 	[KEYMAP_INDEX(0, 4)] = KEY_ENTER,
 	[KEYMAP_INDEX(0, 5)] = KEY_RIGHTSHIFT,
 	[KEYMAP_INDEX(0, 6)] = KEY_P,

 	[KEYMAP_INDEX(1, 0)] = KEY_MENU,
 	[KEYMAP_INDEX(1, 1)] = KEY_SEND,
 //	[KEYMAP_INDEX(1, 2)] = KEY_,
 	[KEYMAP_INDEX(1, 3)] = KEY_LEFTSHIFT,
 	[KEYMAP_INDEX(1, 4)] = KEY_A,
 	[KEYMAP_INDEX(1, 5)] = KEY_COMPOSE,
 	[KEYMAP_INDEX(1, 6)] = KEY_Q,

 	[KEYMAP_INDEX(2, 0)] = KEY_U,
 	[KEYMAP_INDEX(2, 1)] = KEY_7,
 	[KEYMAP_INDEX(2, 2)] = KEY_K,
 	[KEYMAP_INDEX(2, 3)] = KEY_J,
 	[KEYMAP_INDEX(2, 4)] = KEY_M,
 	[KEYMAP_INDEX(2, 5)] = KEY_SLASH,
 	[KEYMAP_INDEX(2, 6)] = KEY_8,

 	[KEYMAP_INDEX(3, 0)] = KEY_5,
 	[KEYMAP_INDEX(3, 1)] = KEY_6,
 	[KEYMAP_INDEX(3, 2)] = KEY_B,
 	[KEYMAP_INDEX(3, 3)] = KEY_H,
 	[KEYMAP_INDEX(3, 4)] = KEY_N,
 	[KEYMAP_INDEX(3, 5)] = KEY_SPACE,
 	[KEYMAP_INDEX(3, 6)] = KEY_Y,

 	[KEYMAP_INDEX(4, 0)] = KEY_4,
 	[KEYMAP_INDEX(4, 1)] = KEY_R,
 	[KEYMAP_INDEX(4, 2)] = KEY_V,
 	[KEYMAP_INDEX(4, 3)] = KEY_G,
 	[KEYMAP_INDEX(4, 4)] = KEY_C,
 //	[KEYMAP_INDEX(4, 5)] = KEY_,
 	[KEYMAP_INDEX(4, 6)] = KEY_T,

 	[KEYMAP_INDEX(5, 0)] = KEY_2,
 	[KEYMAP_INDEX(5, 1)] = KEY_W,
 	[KEYMAP_INDEX(5, 2)] = KEY_LEFTALT,
 	[KEYMAP_INDEX(5, 3)] = KEY_VOLUMEUP,
 	[KEYMAP_INDEX(5, 4)] = KEY_S,
 	[KEYMAP_INDEX(5, 5)] = KEY_Z,
 	[KEYMAP_INDEX(5, 6)] = KEY_1,

 	[KEYMAP_INDEX(6, 0)] = KEY_I,
 	[KEYMAP_INDEX(6, 1)] = KEY_0,
 	[KEYMAP_INDEX(6, 2)] = KEY_O,
 	[KEYMAP_INDEX(6, 3)] = KEY_L,
 	[KEYMAP_INDEX(6, 4)] = KEY_COMMA,
 	[KEYMAP_INDEX(6, 5)] = KEY_DOT,
 	[KEYMAP_INDEX(6, 6)] = KEY_9,

 	[KEYMAP_INDEX(7, 0)] = KEY_3,
 	[KEYMAP_INDEX(7, 1)] = KEY_E,
 	[KEYMAP_INDEX(7, 2)] = KEY_EMAIL, // @
 	[KEYMAP_INDEX(7, 3)] = KEY_VOLUMEDOWN,
 	[KEYMAP_INDEX(7, 4)] = KEY_X,
 	[KEYMAP_INDEX(7, 5)] = KEY_F,
 	[KEYMAP_INDEX(7, 6)] = KEY_D
 };

 static const unsigned short trout_keymap_evt2_2[ARRAY_SIZE(trout_col_gpios) * ARRAY_SIZE(trout_row_gpios)] = {
 	[KEYMAP_INDEX(0, 0)] = KEY_BACK,
 	[KEYMAP_INDEX(0, 1)] = KEY_HOME,
 //	[KEYMAP_INDEX(0, 2)] = KEY_,
 	[KEYMAP_INDEX(0, 3)] = KEY_BACKSPACE,
 	[KEYMAP_INDEX(0, 4)] = KEY_ENTER,
 	[KEYMAP_INDEX(0, 5)] = KEY_RIGHTSHIFT,
 	[KEYMAP_INDEX(0, 6)] = KEY_P,

 	[KEYMAP_INDEX(1, 0)] = KEY_MENU, /* external menu key */
 	[KEYMAP_INDEX(1, 1)] = KEY_SEND,
 //	[KEYMAP_INDEX(1, 2)] = KEY_,
 	[KEYMAP_INDEX(1, 3)] = KEY_LEFTSHIFT,
 	[KEYMAP_INDEX(1, 4)] = KEY_A,
 	[KEYMAP_INDEX(1, 5)] = KEY_F1, /* qwerty menu key */
 	[KEYMAP_INDEX(1, 6)] = KEY_Q,

 	[KEYMAP_INDEX(2, 0)] = KEY_U,
 	[KEYMAP_INDEX(2, 1)] = KEY_7,
 	[KEYMAP_INDEX(2, 2)] = KEY_K,
 	[KEYMAP_INDEX(2, 3)] = KEY_J,
 	[KEYMAP_INDEX(2, 4)] = KEY_M,
 	[KEYMAP_INDEX(2, 5)] = KEY_DOT,
 	[KEYMAP_INDEX(2, 6)] = KEY_8,

 	[KEYMAP_INDEX(3, 0)] = KEY_5,
 	[KEYMAP_INDEX(3, 1)] = KEY_6,
 	[KEYMAP_INDEX(3, 2)] = KEY_B,
 	[KEYMAP_INDEX(3, 3)] = KEY_H,
 	[KEYMAP_INDEX(3, 4)] = KEY_N,
 	[KEYMAP_INDEX(3, 5)] = KEY_SPACE,
 	[KEYMAP_INDEX(3, 6)] = KEY_Y,

 	[KEYMAP_INDEX(4, 0)] = KEY_4,
 	[KEYMAP_INDEX(4, 1)] = KEY_R,
 	[KEYMAP_INDEX(4, 2)] = KEY_V,
 	[KEYMAP_INDEX(4, 3)] = KEY_G,
 	[KEYMAP_INDEX(4, 4)] = KEY_C,
 	[KEYMAP_INDEX(4, 5)] = KEY_EMAIL, // @
 	[KEYMAP_INDEX(4, 6)] = KEY_T,

 	[KEYMAP_INDEX(5, 0)] = KEY_2,
 	[KEYMAP_INDEX(5, 1)] = KEY_W,
 	[KEYMAP_INDEX(5, 2)] = KEY_LEFTALT,
 	[KEYMAP_INDEX(5, 3)] = KEY_VOLUMEUP,
 	[KEYMAP_INDEX(5, 4)] = KEY_S,
 	[KEYMAP_INDEX(5, 5)] = KEY_Z,
 	[KEYMAP_INDEX(5, 6)] = KEY_1,

 	[KEYMAP_INDEX(6, 0)] = KEY_I,
 	[KEYMAP_INDEX(6, 1)] = KEY_0,
 	[KEYMAP_INDEX(6, 2)] = KEY_O,
 	[KEYMAP_INDEX(6, 3)] = KEY_L,
 	[KEYMAP_INDEX(6, 4)] = KEY_COMMA,
 	[KEYMAP_INDEX(6, 5)] = KEY_RIGHTALT,
 	[KEYMAP_INDEX(6, 6)] = KEY_9,

 	[KEYMAP_INDEX(7, 0)] = KEY_3,
 	[KEYMAP_INDEX(7, 1)] = KEY_E,
 	[KEYMAP_INDEX(7, 2)] = KEY_COMPOSE,
 	[KEYMAP_INDEX(7, 3)] = KEY_VOLUMEDOWN,
 	[KEYMAP_INDEX(7, 4)] = KEY_X,
 	[KEYMAP_INDEX(7, 5)] = KEY_F,
 	[KEYMAP_INDEX(7, 6)] = KEY_D
 };

 static struct gpio_event_matrix_info trout_keypad_matrix_info = {
 	.info.func = gpio_event_matrix_func,
 	.keymap = trout_keymap,
 	.output_gpios = trout_col_gpios,
 	.input_gpios = trout_row_gpios,
 	.noutputs = ARRAY_SIZE(trout_col_gpios),
 	.ninputs = ARRAY_SIZE(trout_row_gpios),
 	.settle_time.tv.nsec = 40 * NSEC_PER_USEC,
 	.poll_time.tv.nsec = 20 * NSEC_PER_MSEC,
 	.flags = GPIOKPF_LEVEL_TRIGGERED_IRQ | GPIOKPF_REMOVE_PHANTOM_KEYS |GPIOKPF_PRINT_UNMAPPED_KEYS /*| GPIOKPF_PRINT_MAPPED_KEYS*/
 };

 static struct gpio_event_direct_entry trout_keypad_nav_map[] = {
 	{ TROUT_POWER_KEY,              KEY_POWER    },
 	{ TROUT_GPIO_CAM_BTN_STEP1_N,   KEY_CAMERA-1 }, //steal KEY_HP
 	{ TROUT_GPIO_CAM_BTN_STEP2_N,   KEY_CAMERA   },
 };

 static struct gpio_event_direct_entry trout_keypad_nav_map_evt2[] = {
 	{ TROUT_POWER_KEY,              KEY_END      },
 	{ TROUT_GPIO_CAM_BTN_STEP1_N,   KEY_CAMERA-1 }, //steal KEY_HP
 	{ TROUT_GPIO_CAM_BTN_STEP2_N,   KEY_CAMERA   },
 };

 static struct gpio_event_input_info trout_keypad_nav_info = {
 	.info.func = gpio_event_input_func,
 	.flags = 0,
 	.type = EV_KEY,
 	.keymap = trout_keypad_nav_map,
 	.keymap_size = ARRAY_SIZE(trout_keypad_nav_map)
 };

 static struct gpio_event_direct_entry trout_keypad_switch_map[] = {
 	{ TROUT_GPIO_SLIDING_DET,       SW_LID       }
 };

 static struct gpio_event_input_info trout_keypad_switch_info = {
 	.info.func = gpio_event_input_func,
 	.flags = 0,
 	.type = EV_SW,
 	.keymap = trout_keypad_switch_map,
 	.keymap_size = ARRAY_SIZE(trout_keypad_switch_map)
 };

 static struct gpio_event_info *trout_keypad_info[] = {
 	&trout_keypad_matrix_info.info,
 	&trout_keypad_nav_info.info,
 	&trout_keypad_switch_info.info,
 };

 static struct gpio_event_platform_data trout_keypad_data = {
 	.name = "trout-keypad",
 	.info = trout_keypad_info,
 	.info_count = ARRAY_SIZE(trout_keypad_info)
 };

 static struct platform_device trout_keypad_device = {
 	.name = GPIO_EVENT_DEV_NAME,
 	.id = 0,
 	.dev		= {
 		.platform_data	= &trout_keypad_data,
 	},
 };

 static int __init trout_init_keypad(void)
 {
 	if (!machine_is_trout())
 		return 0;

 	switch (system_rev) {
 	case 0:
 		/* legacy default keylayout */
 		break;
 	case 1:
 		/* v1 has a new keyboard layout */
 		trout_keypad_matrix_info.keymap = trout_keymap_evt2_1;
 		trout_keypad_matrix_info.output_gpios = trout_col_gpios_evt2;
 		trout_keypad_matrix_info.input_gpios = trout_row_gpios_evt2;

 		/* v1 has new direct keys */
 		trout_keypad_nav_info.keymap = trout_keypad_nav_map_evt2;
 		trout_keypad_nav_info.keymap_size = ARRAY_SIZE(trout_keypad_nav_map_evt2);

 		/* userspace needs to know about these changes as well */
 		trout_keypad_data.name = "trout-keypad-v2";
 		break;
 	default: /* 2, 3, 4 currently */
 		/* v2 has a new keyboard layout */
 		trout_keypad_matrix_info.keymap = trout_keymap_evt2_2;
 		trout_keypad_matrix_info.output_gpios = trout_col_gpios_evt2;
 		trout_keypad_matrix_info.input_gpios = trout_row_gpios_evt2;

 		/* v2 has new direct keys */
 		trout_keypad_nav_info.keymap = trout_keypad_nav_map_evt2;
 		trout_keypad_nav_info.keymap_size = ARRAY_SIZE(trout_keypad_nav_map_evt2);

 		/* userspace needs to know about these changes as well */
 		if (!strcmp(keycaps, "qwertz")) {
 			trout_keypad_data.name = "trout-keypad-qwertz";
 		} else {
 			trout_keypad_data.name = "trout-keypad-v3";
 		}
 		break;
 	}
 	return platform_device_register(&trout_keypad_device);
 }

 device_initcall(trout_init_keypad);
	/* arch/arm/mach-msm/board-trout-keypad.c
	*
	* Copyright (C) 2008 Google, Inc.
	*
	* 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 <linux/platform_device.h>
	#include <linux/input.h>
	#include <linux/interrupt.h>
	#include <linux/gpio_event.h>
	#include <asm/mach-types.h>

	#include "board-trout.h"

	static char *keycaps = "--qwerty";
	#undef MODULE_PARAM_PREFIX
	#define MODULE_PARAM_PREFIX "board_trout."
	module_param_named(keycaps, keycaps, charp, 0);


	static unsigned int trout_col_gpios[] = { 35, 34, 33, 32, 31, 23, 30, 78 };
	static unsigned int trout_row_gpios[] = { 42, 41, 40, 39, 38, 37, 36 };

	#define KEYMAP_INDEX(col, row) ((col)*ARRAY_SIZE(trout_row_gpios) + (row))

	static const unsigned short trout_keymap[ARRAY_SIZE(trout_col_gpios) * ARRAY_SIZE(trout_row_gpios)] = {
	[KEYMAP_INDEX(0, 0)] = KEY_BACK,
	[KEYMAP_INDEX(0, 1)] = KEY_HOME,
	// [KEYMAP_INDEX(0, 2)] = KEY_,
	[KEYMAP_INDEX(0, 3)] = KEY_BACKSPACE,
	[KEYMAP_INDEX(0, 4)] = KEY_ENTER,
	[KEYMAP_INDEX(0, 5)] = KEY_RIGHTALT,
	[KEYMAP_INDEX(0, 6)] = KEY_P,

	[KEYMAP_INDEX(1, 0)] = KEY_MENU,
	// [KEYMAP_INDEX(1, 0)] = 229, // SOFT1
	[KEYMAP_INDEX(1, 1)] = KEY_SEND,
	[KEYMAP_INDEX(1, 2)] = KEY_END,
	[KEYMAP_INDEX(1, 3)] = KEY_LEFTALT,
	[KEYMAP_INDEX(1, 4)] = KEY_A,
	[KEYMAP_INDEX(1, 5)] = KEY_LEFTSHIFT,
	[KEYMAP_INDEX(1, 6)] = KEY_Q,

	[KEYMAP_INDEX(2, 0)] = KEY_U,
	[KEYMAP_INDEX(2, 1)] = KEY_7,
	[KEYMAP_INDEX(2, 2)] = KEY_K,
	[KEYMAP_INDEX(2, 3)] = KEY_J,
	[KEYMAP_INDEX(2, 4)] = KEY_M,
	[KEYMAP_INDEX(2, 5)] = KEY_SLASH,
	[KEYMAP_INDEX(2, 6)] = KEY_8,

	[KEYMAP_INDEX(3, 0)] = KEY_5,
	[KEYMAP_INDEX(3, 1)] = KEY_6,
	[KEYMAP_INDEX(3, 2)] = KEY_B,
	[KEYMAP_INDEX(3, 3)] = KEY_H,
	[KEYMAP_INDEX(3, 4)] = KEY_N,
	[KEYMAP_INDEX(3, 5)] = KEY_SPACE,
	[KEYMAP_INDEX(3, 6)] = KEY_Y,

	[KEYMAP_INDEX(4, 0)] = KEY_4,
	[KEYMAP_INDEX(4, 1)] = KEY_R,
	[KEYMAP_INDEX(4, 2)] = KEY_V,
	[KEYMAP_INDEX(4, 3)] = KEY_G,
	[KEYMAP_INDEX(4, 4)] = KEY_C,
	//[KEYMAP_INDEX(4, 5)] = KEY_,
	[KEYMAP_INDEX(4, 6)] = KEY_T,

	[KEYMAP_INDEX(5, 0)] = KEY_2,
	[KEYMAP_INDEX(5, 1)] = KEY_W,
	[KEYMAP_INDEX(5, 2)] = KEY_COMPOSE,
	[KEYMAP_INDEX(5, 3)] = KEY_VOLUMEUP,
	[KEYMAP_INDEX(5, 4)] = KEY_S,
	[KEYMAP_INDEX(5, 5)] = KEY_Z,
	[KEYMAP_INDEX(5, 6)] = KEY_1,

	[KEYMAP_INDEX(6, 0)] = KEY_I,
	[KEYMAP_INDEX(6, 1)] = KEY_0,
	[KEYMAP_INDEX(6, 2)] = KEY_O,
	[KEYMAP_INDEX(6, 3)] = KEY_L,
	[KEYMAP_INDEX(6, 4)] = KEY_DOT,
	[KEYMAP_INDEX(6, 5)] = KEY_COMMA,
	[KEYMAP_INDEX(6, 6)] = KEY_9,

	[KEYMAP_INDEX(7, 0)] = KEY_3,
	[KEYMAP_INDEX(7, 1)] = KEY_E,
	[KEYMAP_INDEX(7, 2)] = KEY_EMAIL, // @
	[KEYMAP_INDEX(7, 3)] = KEY_VOLUMEDOWN,
	[KEYMAP_INDEX(7, 4)] = KEY_X,
	[KEYMAP_INDEX(7, 5)] = KEY_F,
	[KEYMAP_INDEX(7, 6)] = KEY_D
	};

	static unsigned int trout_col_gpios_evt2[] = { 35, 34, 33, 32, 31, 23, 30, 109 };
	static unsigned int trout_row_gpios_evt2[] = { 42, 41, 40, 39, 38, 37, 36 };

	static const unsigned short trout_keymap_evt2_1[ARRAY_SIZE(trout_col_gpios) * ARRAY_SIZE(trout_row_gpios)] = {
	[KEYMAP_INDEX(0, 0)] = KEY_BACK,
	[KEYMAP_INDEX(0, 1)] = KEY_HOME,
	// [KEYMAP_INDEX(0, 2)] = KEY_,
	[KEYMAP_INDEX(0, 3)] = KEY_BACKSPACE,
	[KEYMAP_INDEX(0, 4)] = KEY_ENTER,
	[KEYMAP_INDEX(0, 5)] = KEY_RIGHTSHIFT,
	[KEYMAP_INDEX(0, 6)] = KEY_P,

	[KEYMAP_INDEX(1, 0)] = KEY_MENU,
	[KEYMAP_INDEX(1, 1)] = KEY_SEND,
	// [KEYMAP_INDEX(1, 2)] = KEY_,
	[KEYMAP_INDEX(1, 3)] = KEY_LEFTSHIFT,
	[KEYMAP_INDEX(1, 4)] = KEY_A,
	[KEYMAP_INDEX(1, 5)] = KEY_COMPOSE,
	[KEYMAP_INDEX(1, 6)] = KEY_Q,

	[KEYMAP_INDEX(2, 0)] = KEY_U,
	[KEYMAP_INDEX(2, 1)] = KEY_7,
	[KEYMAP_INDEX(2, 2)] = KEY_K,
	[KEYMAP_INDEX(2, 3)] = KEY_J,
	[KEYMAP_INDEX(2, 4)] = KEY_M,
	[KEYMAP_INDEX(2, 5)] = KEY_SLASH,
	[KEYMAP_INDEX(2, 6)] = KEY_8,

	[KEYMAP_INDEX(3, 0)] = KEY_5,
	[KEYMAP_INDEX(3, 1)] = KEY_6,
	[KEYMAP_INDEX(3, 2)] = KEY_B,
	[KEYMAP_INDEX(3, 3)] = KEY_H,
	[KEYMAP_INDEX(3, 4)] = KEY_N,
	[KEYMAP_INDEX(3, 5)] = KEY_SPACE,
	[KEYMAP_INDEX(3, 6)] = KEY_Y,

	[KEYMAP_INDEX(4, 0)] = KEY_4,
	[KEYMAP_INDEX(4, 1)] = KEY_R,
	[KEYMAP_INDEX(4, 2)] = KEY_V,
	[KEYMAP_INDEX(4, 3)] = KEY_G,
	[KEYMAP_INDEX(4, 4)] = KEY_C,
	// [KEYMAP_INDEX(4, 5)] = KEY_,
	[KEYMAP_INDEX(4, 6)] = KEY_T,

	[KEYMAP_INDEX(5, 0)] = KEY_2,
	[KEYMAP_INDEX(5, 1)] = KEY_W,
	[KEYMAP_INDEX(5, 2)] = KEY_LEFTALT,
	[KEYMAP_INDEX(5, 3)] = KEY_VOLUMEUP,
	[KEYMAP_INDEX(5, 4)] = KEY_S,
	[KEYMAP_INDEX(5, 5)] = KEY_Z,
	[KEYMAP_INDEX(5, 6)] = KEY_1,

	[KEYMAP_INDEX(6, 0)] = KEY_I,
	[KEYMAP_INDEX(6, 1)] = KEY_0,
	[KEYMAP_INDEX(6, 2)] = KEY_O,
	[KEYMAP_INDEX(6, 3)] = KEY_L,
	[KEYMAP_INDEX(6, 4)] = KEY_COMMA,
	[KEYMAP_INDEX(6, 5)] = KEY_DOT,
	[KEYMAP_INDEX(6, 6)] = KEY_9,

	[KEYMAP_INDEX(7, 0)] = KEY_3,
	[KEYMAP_INDEX(7, 1)] = KEY_E,
	[KEYMAP_INDEX(7, 2)] = KEY_EMAIL, // @
	[KEYMAP_INDEX(7, 3)] = KEY_VOLUMEDOWN,
	[KEYMAP_INDEX(7, 4)] = KEY_X,
	[KEYMAP_INDEX(7, 5)] = KEY_F,
	[KEYMAP_INDEX(7, 6)] = KEY_D
	};

	static const unsigned short trout_keymap_evt2_2[ARRAY_SIZE(trout_col_gpios) * ARRAY_SIZE(trout_row_gpios)] = {
	[KEYMAP_INDEX(0, 0)] = KEY_BACK,
	[KEYMAP_INDEX(0, 1)] = KEY_HOME,
	// [KEYMAP_INDEX(0, 2)] = KEY_,
	[KEYMAP_INDEX(0, 3)] = KEY_BACKSPACE,
	[KEYMAP_INDEX(0, 4)] = KEY_ENTER,
	[KEYMAP_INDEX(0, 5)] = KEY_RIGHTSHIFT,
	[KEYMAP_INDEX(0, 6)] = KEY_P,

	[KEYMAP_INDEX(1, 0)] = KEY_MENU, /* external menu key */
	[KEYMAP_INDEX(1, 1)] = KEY_SEND,
	// [KEYMAP_INDEX(1, 2)] = KEY_,
	[KEYMAP_INDEX(1, 3)] = KEY_LEFTSHIFT,
	[KEYMAP_INDEX(1, 4)] = KEY_A,
	[KEYMAP_INDEX(1, 5)] = KEY_F1, /* qwerty menu key */
	[KEYMAP_INDEX(1, 6)] = KEY_Q,

	[KEYMAP_INDEX(2, 0)] = KEY_U,
	[KEYMAP_INDEX(2, 1)] = KEY_7,
	[KEYMAP_INDEX(2, 2)] = KEY_K,
	[KEYMAP_INDEX(2, 3)] = KEY_J,
	[KEYMAP_INDEX(2, 4)] = KEY_M,
	[KEYMAP_INDEX(2, 5)] = KEY_DOT,
	[KEYMAP_INDEX(2, 6)] = KEY_8,

	[KEYMAP_INDEX(3, 0)] = KEY_5,
	[KEYMAP_INDEX(3, 1)] = KEY_6,
	[KEYMAP_INDEX(3, 2)] = KEY_B,
	[KEYMAP_INDEX(3, 3)] = KEY_H,
	[KEYMAP_INDEX(3, 4)] = KEY_N,
	[KEYMAP_INDEX(3, 5)] = KEY_SPACE,
	[KEYMAP_INDEX(3, 6)] = KEY_Y,

	[KEYMAP_INDEX(4, 0)] = KEY_4,
	[KEYMAP_INDEX(4, 1)] = KEY_R,
	[KEYMAP_INDEX(4, 2)] = KEY_V,
	[KEYMAP_INDEX(4, 3)] = KEY_G,
	[KEYMAP_INDEX(4, 4)] = KEY_C,
	[KEYMAP_INDEX(4, 5)] = KEY_EMAIL, // @
	[KEYMAP_INDEX(4, 6)] = KEY_T,

	[KEYMAP_INDEX(5, 0)] = KEY_2,
	[KEYMAP_INDEX(5, 1)] = KEY_W,
	[KEYMAP_INDEX(5, 2)] = KEY_LEFTALT,
	[KEYMAP_INDEX(5, 3)] = KEY_VOLUMEUP,
	[KEYMAP_INDEX(5, 4)] = KEY_S,
	[KEYMAP_INDEX(5, 5)] = KEY_Z,
	[KEYMAP_INDEX(5, 6)] = KEY_1,

	[KEYMAP_INDEX(6, 0)] = KEY_I,
	[KEYMAP_INDEX(6, 1)] = KEY_0,
	[KEYMAP_INDEX(6, 2)] = KEY_O,
	[KEYMAP_INDEX(6, 3)] = KEY_L,
	[KEYMAP_INDEX(6, 4)] = KEY_COMMA,
	[KEYMAP_INDEX(6, 5)] = KEY_RIGHTALT,
	[KEYMAP_INDEX(6, 6)] = KEY_9,

	[KEYMAP_INDEX(7, 0)] = KEY_3,
	[KEYMAP_INDEX(7, 1)] = KEY_E,
	[KEYMAP_INDEX(7, 2)] = KEY_COMPOSE,
	[KEYMAP_INDEX(7, 3)] = KEY_VOLUMEDOWN,
	[KEYMAP_INDEX(7, 4)] = KEY_X,
	[KEYMAP_INDEX(7, 5)] = KEY_F,
	[KEYMAP_INDEX(7, 6)] = KEY_D
	};

	static struct gpio_event_matrix_info trout_keypad_matrix_info = {
	.info.func = gpio_event_matrix_func,
	.keymap = trout_keymap,
	.output_gpios = trout_col_gpios,
	.input_gpios = trout_row_gpios,
	.noutputs = ARRAY_SIZE(trout_col_gpios),
	.ninputs = ARRAY_SIZE(trout_row_gpios),
	.settle_time.tv.nsec = 40 * NSEC_PER_USEC,
	.poll_time.tv.nsec = 20 * NSEC_PER_MSEC,
	.flags = GPIOKPF_LEVEL_TRIGGERED_IRQ \| GPIOKPF_REMOVE_PHANTOM_KEYS \|GPIOKPF_PRINT_UNMAPPED_KEYS /\| GPIOKPF_PRINT_MAPPED_KEYS/
	};

	static struct gpio_event_direct_entry trout_keypad_nav_map[] = {
	{ TROUT_POWER_KEY, KEY_POWER },
	{ TROUT_GPIO_CAM_BTN_STEP1_N, KEY_CAMERA-1 }, //steal KEY_HP
	{ TROUT_GPIO_CAM_BTN_STEP2_N, KEY_CAMERA },
	};

	static struct gpio_event_direct_entry trout_keypad_nav_map_evt2[] = {
	{ TROUT_POWER_KEY, KEY_END },
	{ TROUT_GPIO_CAM_BTN_STEP1_N, KEY_CAMERA-1 }, //steal KEY_HP
	{ TROUT_GPIO_CAM_BTN_STEP2_N, KEY_CAMERA },
	};

	static struct gpio_event_input_info trout_keypad_nav_info = {
	.info.func = gpio_event_input_func,
	.flags = 0,
	.type = EV_KEY,
	.keymap = trout_keypad_nav_map,
	.keymap_size = ARRAY_SIZE(trout_keypad_nav_map)
	};

	static struct gpio_event_direct_entry trout_keypad_switch_map[] = {
	{ TROUT_GPIO_SLIDING_DET, SW_LID }
	};

	static struct gpio_event_input_info trout_keypad_switch_info = {
	.info.func = gpio_event_input_func,
	.flags = 0,
	.type = EV_SW,
	.keymap = trout_keypad_switch_map,
	.keymap_size = ARRAY_SIZE(trout_keypad_switch_map)
	};

	static struct gpio_event_info *trout_keypad_info[] = {
	&trout_keypad_matrix_info.info,
	&trout_keypad_nav_info.info,
	&trout_keypad_switch_info.info,
	};

	static struct gpio_event_platform_data trout_keypad_data = {
	.name = "trout-keypad",
	.info = trout_keypad_info,
	.info_count = ARRAY_SIZE(trout_keypad_info)
	};

	static struct platform_device trout_keypad_device = {
	.name = GPIO_EVENT_DEV_NAME,
	.id = 0,
	.dev = {
	.platform_data = &trout_keypad_data,
	},
	};

	static int __init trout_init_keypad(void)
	{
	if (!machine_is_trout())
	return 0;

	switch (system_rev) {
	case 0:
	/* legacy default keylayout */
	break;
	case 1:
	/* v1 has a new keyboard layout */
	trout_keypad_matrix_info.keymap = trout_keymap_evt2_1;
	trout_keypad_matrix_info.output_gpios = trout_col_gpios_evt2;
	trout_keypad_matrix_info.input_gpios = trout_row_gpios_evt2;

	/* v1 has new direct keys */
	trout_keypad_nav_info.keymap = trout_keypad_nav_map_evt2;
	trout_keypad_nav_info.keymap_size = ARRAY_SIZE(trout_keypad_nav_map_evt2);

	/* userspace needs to know about these changes as well */
	trout_keypad_data.name = "trout-keypad-v2";
	break;
	default: /* 2, 3, 4 currently */
	/* v2 has a new keyboard layout */
	trout_keypad_matrix_info.keymap = trout_keymap_evt2_2;
	trout_keypad_matrix_info.output_gpios = trout_col_gpios_evt2;
	trout_keypad_matrix_info.input_gpios = trout_row_gpios_evt2;

	/* v2 has new direct keys */
	trout_keypad_nav_info.keymap = trout_keypad_nav_map_evt2;
	trout_keypad_nav_info.keymap_size = ARRAY_SIZE(trout_keypad_nav_map_evt2);

	/* userspace needs to know about these changes as well */
	if (!strcmp(keycaps, "qwertz")) {
	trout_keypad_data.name = "trout-keypad-qwertz";
	} else {
	trout_keypad_data.name = "trout-keypad-v3";
	}
	break;
	}
	return platform_device_register(&trout_keypad_device);
	}

	device_initcall(trout_init_keypad);