/arch/arm/mach-fsm/board-swordfish-keypad.c

  1/* linux/arch/arm/mach-msm/board-swordfish-keypad.c
  2 *
  3 * Copyright (C) 2007 Google, Inc.
  4 * Author: Brian Swetland <swetland@google.com>
  5 *
  6 * This software is licensed under the terms of the GNU General Public
  7 * License version 2, as published by the Free Software Foundation, and
  8 * may be copied, distributed, and modified under those terms.
  9 *
 10 * This program is distributed in the hope that it will be useful,
 11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 13 * GNU General Public License for more details.
 14 *
 15 */
 16
 17#include <asm/mach-types.h>
 18#include <linux/platform_device.h>
 19#include <linux/gpio_event.h>
 20
 21#undef MODULE_PARAM_PREFIX
 22#define MODULE_PARAM_PREFIX "board_swordfish."
 23static int swordfish_ffa;
 24module_param_named(ffa, swordfish_ffa, int, S_IRUGO | S_IWUSR | S_IWGRP);
 25
 26#define SCAN_FUNCTION_KEYS 0 /* don't turn this on without updating the ffa support */
 27
 28static unsigned int swordfish_row_gpios[] = {
 29	31, 32, 33, 34, 35, 41
 30#if SCAN_FUNCTION_KEYS
 31	, 42
 32#endif
 33};
 34
 35static unsigned int swordfish_col_gpios[] = { 36, 37, 38, 39, 40 };
 36
 37/* FFA:
 38 36: KEYSENSE_N(0)
 39 37: KEYSENSE_N(1)
 40 38: KEYSENSE_N(2)
 41 39: KEYSENSE_N(3)
 42 40: KEYSENSE_N(4)
 43
 44 31: KYPD_17
 45 32: KYPD_15
 46 33: KYPD_13
 47 34: KYPD_11
 48 35: KYPD_9
 49 41: KYPD_MEMO
 50*/
 51
 52#define KEYMAP_INDEX(row, col) ((row)*ARRAY_SIZE(swordfish_col_gpios) + (col))
 53
 54static const unsigned short swordfish_keymap[ARRAY_SIZE(swordfish_col_gpios) * ARRAY_SIZE(swordfish_row_gpios)] = {
 55	[KEYMAP_INDEX(0, 0)] = KEY_5,
 56	[KEYMAP_INDEX(0, 1)] = KEY_9,
 57	[KEYMAP_INDEX(0, 2)] = 229,            /* SOFT1 */
 58	[KEYMAP_INDEX(0, 3)] = KEY_6,
 59	[KEYMAP_INDEX(0, 4)] = KEY_LEFT,
 60
 61	[KEYMAP_INDEX(1, 0)] = KEY_0,
 62	[KEYMAP_INDEX(1, 1)] = KEY_RIGHT,
 63	[KEYMAP_INDEX(1, 2)] = KEY_1,
 64	[KEYMAP_INDEX(1, 3)] = 228,           /* KEY_SHARP */
 65	[KEYMAP_INDEX(1, 4)] = KEY_SEND,
 66
 67	[KEYMAP_INDEX(2, 0)] = KEY_VOLUMEUP,
 68	[KEYMAP_INDEX(2, 1)] = KEY_HOME,      /* FA   */
 69	[KEYMAP_INDEX(2, 2)] = KEY_F8,        /* QCHT */
 70	[KEYMAP_INDEX(2, 3)] = KEY_F6,        /* R+   */
 71	[KEYMAP_INDEX(2, 4)] = KEY_F7,        /* R-   */
 72
 73	[KEYMAP_INDEX(3, 0)] = KEY_UP,
 74	[KEYMAP_INDEX(3, 1)] = KEY_CLEAR,
 75	[KEYMAP_INDEX(3, 2)] = KEY_4,
 76	[KEYMAP_INDEX(3, 3)] = KEY_MUTE,      /* SPKR */
 77	[KEYMAP_INDEX(3, 4)] = KEY_2,
 78
 79	[KEYMAP_INDEX(4, 0)] = 230,           /* SOFT2 */
 80	[KEYMAP_INDEX(4, 1)] = 232,           /* KEY_CENTER */
 81	[KEYMAP_INDEX(4, 2)] = KEY_DOWN,
 82	[KEYMAP_INDEX(4, 3)] = KEY_BACK,      /* FB */
 83	[KEYMAP_INDEX(4, 4)] = KEY_8,
 84
 85	[KEYMAP_INDEX(5, 0)] = KEY_VOLUMEDOWN,
 86	[KEYMAP_INDEX(5, 1)] = 227,           /* KEY_STAR */
 87	[KEYMAP_INDEX(5, 2)] = KEY_MAIL,      /* MESG */
 88	[KEYMAP_INDEX(5, 3)] = KEY_3,
 89	[KEYMAP_INDEX(5, 4)] = KEY_7,
 90
 91#if SCAN_FUNCTION_KEYS
 92	[KEYMAP_INDEX(6, 0)] = KEY_F5,
 93	[KEYMAP_INDEX(6, 1)] = KEY_F4,
 94	[KEYMAP_INDEX(6, 2)] = KEY_F3,
 95	[KEYMAP_INDEX(6, 3)] = KEY_F2,
 96	[KEYMAP_INDEX(6, 4)] = KEY_F1
 97#endif
 98};
 99
100static const unsigned short swordfish_keymap_ffa[ARRAY_SIZE(swordfish_col_gpios) * ARRAY_SIZE(swordfish_row_gpios)] = {
101	/*[KEYMAP_INDEX(0, 0)] = ,*/
102	/*[KEYMAP_INDEX(0, 1)] = ,*/
103	[KEYMAP_INDEX(0, 2)] = KEY_1,
104	[KEYMAP_INDEX(0, 3)] = KEY_SEND,
105	[KEYMAP_INDEX(0, 4)] = KEY_LEFT,
106
107	[KEYMAP_INDEX(1, 0)] = KEY_3,
108	[KEYMAP_INDEX(1, 1)] = KEY_RIGHT,
109	[KEYMAP_INDEX(1, 2)] = KEY_VOLUMEUP,
110	/*[KEYMAP_INDEX(1, 3)] = ,*/
111	[KEYMAP_INDEX(1, 4)] = KEY_6,
112
113	[KEYMAP_INDEX(2, 0)] = KEY_HOME,      /* A */
114	[KEYMAP_INDEX(2, 1)] = KEY_BACK,      /* B */
115	[KEYMAP_INDEX(2, 2)] = KEY_0,
116	[KEYMAP_INDEX(2, 3)] = 228,           /* KEY_SHARP */
117	[KEYMAP_INDEX(2, 4)] = KEY_9,
118
119	[KEYMAP_INDEX(3, 0)] = KEY_UP,
120	[KEYMAP_INDEX(3, 1)] = 232, /* KEY_CENTER */ /* i */
121	[KEYMAP_INDEX(3, 2)] = KEY_4,
122	/*[KEYMAP_INDEX(3, 3)] = ,*/
123	[KEYMAP_INDEX(3, 4)] = KEY_2,
124
125	[KEYMAP_INDEX(4, 0)] = KEY_VOLUMEDOWN,
126	[KEYMAP_INDEX(4, 1)] = KEY_SOUND,
127	[KEYMAP_INDEX(4, 2)] = KEY_DOWN,
128	[KEYMAP_INDEX(4, 3)] = KEY_8,
129	[KEYMAP_INDEX(4, 4)] = KEY_5,
130
131	/*[KEYMAP_INDEX(5, 0)] = ,*/
132	[KEYMAP_INDEX(5, 1)] = 227,           /* KEY_STAR */
133	[KEYMAP_INDEX(5, 2)] = 230, /*SOFT2*/ /* 2 */
134	[KEYMAP_INDEX(5, 3)] = KEY_MENU,      /* 1 */
135	[KEYMAP_INDEX(5, 4)] = KEY_7,
136};
137
138static struct gpio_event_matrix_info swordfish_matrix_info = {
139	.info.func	= gpio_event_matrix_func,
140	.keymap		= swordfish_keymap,
141	.output_gpios	= swordfish_row_gpios,
142	.input_gpios	= swordfish_col_gpios,
143	.noutputs	= ARRAY_SIZE(swordfish_row_gpios),
144	.ninputs	= ARRAY_SIZE(swordfish_col_gpios),
145	.settle_time.tv.nsec = 0,
146	.poll_time.tv.nsec = 20 * NSEC_PER_MSEC,
147	.flags		= GPIOKPF_LEVEL_TRIGGERED_IRQ | GPIOKPF_DRIVE_INACTIVE | GPIOKPF_PRINT_UNMAPPED_KEYS /*| GPIOKPF_PRINT_MAPPED_KEYS*/
148};
149
150struct gpio_event_info *swordfish_keypad_info[] = {
151	&swordfish_matrix_info.info
152};
153
154static struct gpio_event_platform_data swordfish_keypad_data = {
155	.name		= "swordfish_keypad",
156	.info		= swordfish_keypad_info,
157	.info_count	= ARRAY_SIZE(swordfish_keypad_info)
158};
159
160static struct platform_device swordfish_keypad_device = {
161	.name	= GPIO_EVENT_DEV_NAME,
162	.id	= -1,
163	.dev	= {
164		.platform_data	= &swordfish_keypad_data,
165	},
166};
167
168static int __init swordfish_init_keypad(void)
169{
170	if (!machine_is_swordfish())
171		return 0;
172	if (swordfish_ffa)
173		swordfish_matrix_info.keymap = swordfish_keymap_ffa;
174	return platform_device_register(&swordfish_keypad_device);
175}
176
177device_initcall(swordfish_init_keypad);