Bryan Huntsman | 3f2bc4d | 2011-08-16 17:27:22 -0700 | [diff] [blame] | 1 | /* arch/arm/mach-msm/board-trout-keypad.c |
| 2 | * |
| 3 | * Copyright (C) 2008 Google, Inc. |
| 4 | * |
| 5 | * This software is licensed under the terms of the GNU General Public |
| 6 | * License version 2, as published by the Free Software Foundation, and |
| 7 | * may be copied, distributed, and modified under those terms. |
| 8 | * |
| 9 | * This program is distributed in the hope that it will be useful, |
| 10 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 11 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 12 | * GNU General Public License for more details. |
| 13 | * |
| 14 | */ |
| 15 | |
| 16 | #include <linux/platform_device.h> |
| 17 | #include <linux/input.h> |
| 18 | #include <linux/interrupt.h> |
| 19 | #include <linux/gpio_event.h> |
| 20 | #include <asm/mach-types.h> |
| 21 | |
| 22 | #include "board-trout.h" |
| 23 | |
| 24 | static char *keycaps = "--qwerty"; |
| 25 | #undef MODULE_PARAM_PREFIX |
| 26 | #define MODULE_PARAM_PREFIX "board_trout." |
| 27 | module_param_named(keycaps, keycaps, charp, 0); |
| 28 | |
| 29 | |
| 30 | static unsigned int trout_col_gpios[] = { 35, 34, 33, 32, 31, 23, 30, 78 }; |
| 31 | static unsigned int trout_row_gpios[] = { 42, 41, 40, 39, 38, 37, 36 }; |
| 32 | |
| 33 | #define KEYMAP_INDEX(col, row) ((col)*ARRAY_SIZE(trout_row_gpios) + (row)) |
| 34 | |
| 35 | static const unsigned short trout_keymap[ARRAY_SIZE(trout_col_gpios) * ARRAY_SIZE(trout_row_gpios)] = { |
| 36 | [KEYMAP_INDEX(0, 0)] = KEY_BACK, |
| 37 | [KEYMAP_INDEX(0, 1)] = KEY_HOME, |
| 38 | // [KEYMAP_INDEX(0, 2)] = KEY_, |
| 39 | [KEYMAP_INDEX(0, 3)] = KEY_BACKSPACE, |
| 40 | [KEYMAP_INDEX(0, 4)] = KEY_ENTER, |
| 41 | [KEYMAP_INDEX(0, 5)] = KEY_RIGHTALT, |
| 42 | [KEYMAP_INDEX(0, 6)] = KEY_P, |
| 43 | |
| 44 | [KEYMAP_INDEX(1, 0)] = KEY_MENU, |
| 45 | // [KEYMAP_INDEX(1, 0)] = 229, // SOFT1 |
| 46 | [KEYMAP_INDEX(1, 1)] = KEY_SEND, |
| 47 | [KEYMAP_INDEX(1, 2)] = KEY_END, |
| 48 | [KEYMAP_INDEX(1, 3)] = KEY_LEFTALT, |
| 49 | [KEYMAP_INDEX(1, 4)] = KEY_A, |
| 50 | [KEYMAP_INDEX(1, 5)] = KEY_LEFTSHIFT, |
| 51 | [KEYMAP_INDEX(1, 6)] = KEY_Q, |
| 52 | |
| 53 | [KEYMAP_INDEX(2, 0)] = KEY_U, |
| 54 | [KEYMAP_INDEX(2, 1)] = KEY_7, |
| 55 | [KEYMAP_INDEX(2, 2)] = KEY_K, |
| 56 | [KEYMAP_INDEX(2, 3)] = KEY_J, |
| 57 | [KEYMAP_INDEX(2, 4)] = KEY_M, |
| 58 | [KEYMAP_INDEX(2, 5)] = KEY_SLASH, |
| 59 | [KEYMAP_INDEX(2, 6)] = KEY_8, |
| 60 | |
| 61 | [KEYMAP_INDEX(3, 0)] = KEY_5, |
| 62 | [KEYMAP_INDEX(3, 1)] = KEY_6, |
| 63 | [KEYMAP_INDEX(3, 2)] = KEY_B, |
| 64 | [KEYMAP_INDEX(3, 3)] = KEY_H, |
| 65 | [KEYMAP_INDEX(3, 4)] = KEY_N, |
| 66 | [KEYMAP_INDEX(3, 5)] = KEY_SPACE, |
| 67 | [KEYMAP_INDEX(3, 6)] = KEY_Y, |
| 68 | |
| 69 | [KEYMAP_INDEX(4, 0)] = KEY_4, |
| 70 | [KEYMAP_INDEX(4, 1)] = KEY_R, |
| 71 | [KEYMAP_INDEX(4, 2)] = KEY_V, |
| 72 | [KEYMAP_INDEX(4, 3)] = KEY_G, |
| 73 | [KEYMAP_INDEX(4, 4)] = KEY_C, |
| 74 | //[KEYMAP_INDEX(4, 5)] = KEY_, |
| 75 | [KEYMAP_INDEX(4, 6)] = KEY_T, |
| 76 | |
| 77 | [KEYMAP_INDEX(5, 0)] = KEY_2, |
| 78 | [KEYMAP_INDEX(5, 1)] = KEY_W, |
| 79 | [KEYMAP_INDEX(5, 2)] = KEY_COMPOSE, |
| 80 | [KEYMAP_INDEX(5, 3)] = KEY_VOLUMEUP, |
| 81 | [KEYMAP_INDEX(5, 4)] = KEY_S, |
| 82 | [KEYMAP_INDEX(5, 5)] = KEY_Z, |
| 83 | [KEYMAP_INDEX(5, 6)] = KEY_1, |
| 84 | |
| 85 | [KEYMAP_INDEX(6, 0)] = KEY_I, |
| 86 | [KEYMAP_INDEX(6, 1)] = KEY_0, |
| 87 | [KEYMAP_INDEX(6, 2)] = KEY_O, |
| 88 | [KEYMAP_INDEX(6, 3)] = KEY_L, |
| 89 | [KEYMAP_INDEX(6, 4)] = KEY_DOT, |
| 90 | [KEYMAP_INDEX(6, 5)] = KEY_COMMA, |
| 91 | [KEYMAP_INDEX(6, 6)] = KEY_9, |
| 92 | |
| 93 | [KEYMAP_INDEX(7, 0)] = KEY_3, |
| 94 | [KEYMAP_INDEX(7, 1)] = KEY_E, |
| 95 | [KEYMAP_INDEX(7, 2)] = KEY_EMAIL, // @ |
| 96 | [KEYMAP_INDEX(7, 3)] = KEY_VOLUMEDOWN, |
| 97 | [KEYMAP_INDEX(7, 4)] = KEY_X, |
| 98 | [KEYMAP_INDEX(7, 5)] = KEY_F, |
| 99 | [KEYMAP_INDEX(7, 6)] = KEY_D |
| 100 | }; |
| 101 | |
| 102 | static unsigned int trout_col_gpios_evt2[] = { 35, 34, 33, 32, 31, 23, 30, 109 }; |
| 103 | static unsigned int trout_row_gpios_evt2[] = { 42, 41, 40, 39, 38, 37, 36 }; |
| 104 | |
| 105 | static const unsigned short trout_keymap_evt2_1[ARRAY_SIZE(trout_col_gpios) * ARRAY_SIZE(trout_row_gpios)] = { |
| 106 | [KEYMAP_INDEX(0, 0)] = KEY_BACK, |
| 107 | [KEYMAP_INDEX(0, 1)] = KEY_HOME, |
| 108 | // [KEYMAP_INDEX(0, 2)] = KEY_, |
| 109 | [KEYMAP_INDEX(0, 3)] = KEY_BACKSPACE, |
| 110 | [KEYMAP_INDEX(0, 4)] = KEY_ENTER, |
| 111 | [KEYMAP_INDEX(0, 5)] = KEY_RIGHTSHIFT, |
| 112 | [KEYMAP_INDEX(0, 6)] = KEY_P, |
| 113 | |
| 114 | [KEYMAP_INDEX(1, 0)] = KEY_MENU, |
| 115 | [KEYMAP_INDEX(1, 1)] = KEY_SEND, |
| 116 | // [KEYMAP_INDEX(1, 2)] = KEY_, |
| 117 | [KEYMAP_INDEX(1, 3)] = KEY_LEFTSHIFT, |
| 118 | [KEYMAP_INDEX(1, 4)] = KEY_A, |
| 119 | [KEYMAP_INDEX(1, 5)] = KEY_COMPOSE, |
| 120 | [KEYMAP_INDEX(1, 6)] = KEY_Q, |
| 121 | |
| 122 | [KEYMAP_INDEX(2, 0)] = KEY_U, |
| 123 | [KEYMAP_INDEX(2, 1)] = KEY_7, |
| 124 | [KEYMAP_INDEX(2, 2)] = KEY_K, |
| 125 | [KEYMAP_INDEX(2, 3)] = KEY_J, |
| 126 | [KEYMAP_INDEX(2, 4)] = KEY_M, |
| 127 | [KEYMAP_INDEX(2, 5)] = KEY_SLASH, |
| 128 | [KEYMAP_INDEX(2, 6)] = KEY_8, |
| 129 | |
| 130 | [KEYMAP_INDEX(3, 0)] = KEY_5, |
| 131 | [KEYMAP_INDEX(3, 1)] = KEY_6, |
| 132 | [KEYMAP_INDEX(3, 2)] = KEY_B, |
| 133 | [KEYMAP_INDEX(3, 3)] = KEY_H, |
| 134 | [KEYMAP_INDEX(3, 4)] = KEY_N, |
| 135 | [KEYMAP_INDEX(3, 5)] = KEY_SPACE, |
| 136 | [KEYMAP_INDEX(3, 6)] = KEY_Y, |
| 137 | |
| 138 | [KEYMAP_INDEX(4, 0)] = KEY_4, |
| 139 | [KEYMAP_INDEX(4, 1)] = KEY_R, |
| 140 | [KEYMAP_INDEX(4, 2)] = KEY_V, |
| 141 | [KEYMAP_INDEX(4, 3)] = KEY_G, |
| 142 | [KEYMAP_INDEX(4, 4)] = KEY_C, |
| 143 | // [KEYMAP_INDEX(4, 5)] = KEY_, |
| 144 | [KEYMAP_INDEX(4, 6)] = KEY_T, |
| 145 | |
| 146 | [KEYMAP_INDEX(5, 0)] = KEY_2, |
| 147 | [KEYMAP_INDEX(5, 1)] = KEY_W, |
| 148 | [KEYMAP_INDEX(5, 2)] = KEY_LEFTALT, |
| 149 | [KEYMAP_INDEX(5, 3)] = KEY_VOLUMEUP, |
| 150 | [KEYMAP_INDEX(5, 4)] = KEY_S, |
| 151 | [KEYMAP_INDEX(5, 5)] = KEY_Z, |
| 152 | [KEYMAP_INDEX(5, 6)] = KEY_1, |
| 153 | |
| 154 | [KEYMAP_INDEX(6, 0)] = KEY_I, |
| 155 | [KEYMAP_INDEX(6, 1)] = KEY_0, |
| 156 | [KEYMAP_INDEX(6, 2)] = KEY_O, |
| 157 | [KEYMAP_INDEX(6, 3)] = KEY_L, |
| 158 | [KEYMAP_INDEX(6, 4)] = KEY_COMMA, |
| 159 | [KEYMAP_INDEX(6, 5)] = KEY_DOT, |
| 160 | [KEYMAP_INDEX(6, 6)] = KEY_9, |
| 161 | |
| 162 | [KEYMAP_INDEX(7, 0)] = KEY_3, |
| 163 | [KEYMAP_INDEX(7, 1)] = KEY_E, |
| 164 | [KEYMAP_INDEX(7, 2)] = KEY_EMAIL, // @ |
| 165 | [KEYMAP_INDEX(7, 3)] = KEY_VOLUMEDOWN, |
| 166 | [KEYMAP_INDEX(7, 4)] = KEY_X, |
| 167 | [KEYMAP_INDEX(7, 5)] = KEY_F, |
| 168 | [KEYMAP_INDEX(7, 6)] = KEY_D |
| 169 | }; |
| 170 | |
| 171 | static const unsigned short trout_keymap_evt2_2[ARRAY_SIZE(trout_col_gpios) * ARRAY_SIZE(trout_row_gpios)] = { |
| 172 | [KEYMAP_INDEX(0, 0)] = KEY_BACK, |
| 173 | [KEYMAP_INDEX(0, 1)] = KEY_HOME, |
| 174 | // [KEYMAP_INDEX(0, 2)] = KEY_, |
| 175 | [KEYMAP_INDEX(0, 3)] = KEY_BACKSPACE, |
| 176 | [KEYMAP_INDEX(0, 4)] = KEY_ENTER, |
| 177 | [KEYMAP_INDEX(0, 5)] = KEY_RIGHTSHIFT, |
| 178 | [KEYMAP_INDEX(0, 6)] = KEY_P, |
| 179 | |
| 180 | [KEYMAP_INDEX(1, 0)] = KEY_MENU, /* external menu key */ |
| 181 | [KEYMAP_INDEX(1, 1)] = KEY_SEND, |
| 182 | // [KEYMAP_INDEX(1, 2)] = KEY_, |
| 183 | [KEYMAP_INDEX(1, 3)] = KEY_LEFTSHIFT, |
| 184 | [KEYMAP_INDEX(1, 4)] = KEY_A, |
| 185 | [KEYMAP_INDEX(1, 5)] = KEY_F1, /* qwerty menu key */ |
| 186 | [KEYMAP_INDEX(1, 6)] = KEY_Q, |
| 187 | |
| 188 | [KEYMAP_INDEX(2, 0)] = KEY_U, |
| 189 | [KEYMAP_INDEX(2, 1)] = KEY_7, |
| 190 | [KEYMAP_INDEX(2, 2)] = KEY_K, |
| 191 | [KEYMAP_INDEX(2, 3)] = KEY_J, |
| 192 | [KEYMAP_INDEX(2, 4)] = KEY_M, |
| 193 | [KEYMAP_INDEX(2, 5)] = KEY_DOT, |
| 194 | [KEYMAP_INDEX(2, 6)] = KEY_8, |
| 195 | |
| 196 | [KEYMAP_INDEX(3, 0)] = KEY_5, |
| 197 | [KEYMAP_INDEX(3, 1)] = KEY_6, |
| 198 | [KEYMAP_INDEX(3, 2)] = KEY_B, |
| 199 | [KEYMAP_INDEX(3, 3)] = KEY_H, |
| 200 | [KEYMAP_INDEX(3, 4)] = KEY_N, |
| 201 | [KEYMAP_INDEX(3, 5)] = KEY_SPACE, |
| 202 | [KEYMAP_INDEX(3, 6)] = KEY_Y, |
| 203 | |
| 204 | [KEYMAP_INDEX(4, 0)] = KEY_4, |
| 205 | [KEYMAP_INDEX(4, 1)] = KEY_R, |
| 206 | [KEYMAP_INDEX(4, 2)] = KEY_V, |
| 207 | [KEYMAP_INDEX(4, 3)] = KEY_G, |
| 208 | [KEYMAP_INDEX(4, 4)] = KEY_C, |
| 209 | [KEYMAP_INDEX(4, 5)] = KEY_EMAIL, // @ |
| 210 | [KEYMAP_INDEX(4, 6)] = KEY_T, |
| 211 | |
| 212 | [KEYMAP_INDEX(5, 0)] = KEY_2, |
| 213 | [KEYMAP_INDEX(5, 1)] = KEY_W, |
| 214 | [KEYMAP_INDEX(5, 2)] = KEY_LEFTALT, |
| 215 | [KEYMAP_INDEX(5, 3)] = KEY_VOLUMEUP, |
| 216 | [KEYMAP_INDEX(5, 4)] = KEY_S, |
| 217 | [KEYMAP_INDEX(5, 5)] = KEY_Z, |
| 218 | [KEYMAP_INDEX(5, 6)] = KEY_1, |
| 219 | |
| 220 | [KEYMAP_INDEX(6, 0)] = KEY_I, |
| 221 | [KEYMAP_INDEX(6, 1)] = KEY_0, |
| 222 | [KEYMAP_INDEX(6, 2)] = KEY_O, |
| 223 | [KEYMAP_INDEX(6, 3)] = KEY_L, |
| 224 | [KEYMAP_INDEX(6, 4)] = KEY_COMMA, |
| 225 | [KEYMAP_INDEX(6, 5)] = KEY_RIGHTALT, |
| 226 | [KEYMAP_INDEX(6, 6)] = KEY_9, |
| 227 | |
| 228 | [KEYMAP_INDEX(7, 0)] = KEY_3, |
| 229 | [KEYMAP_INDEX(7, 1)] = KEY_E, |
| 230 | [KEYMAP_INDEX(7, 2)] = KEY_COMPOSE, |
| 231 | [KEYMAP_INDEX(7, 3)] = KEY_VOLUMEDOWN, |
| 232 | [KEYMAP_INDEX(7, 4)] = KEY_X, |
| 233 | [KEYMAP_INDEX(7, 5)] = KEY_F, |
| 234 | [KEYMAP_INDEX(7, 6)] = KEY_D |
| 235 | }; |
| 236 | |
| 237 | static struct gpio_event_matrix_info trout_keypad_matrix_info = { |
| 238 | .info.func = gpio_event_matrix_func, |
| 239 | .keymap = trout_keymap, |
| 240 | .output_gpios = trout_col_gpios, |
| 241 | .input_gpios = trout_row_gpios, |
| 242 | .noutputs = ARRAY_SIZE(trout_col_gpios), |
| 243 | .ninputs = ARRAY_SIZE(trout_row_gpios), |
| 244 | .settle_time.tv.nsec = 40 * NSEC_PER_USEC, |
| 245 | .poll_time.tv.nsec = 20 * NSEC_PER_MSEC, |
| 246 | .flags = GPIOKPF_LEVEL_TRIGGERED_IRQ | GPIOKPF_REMOVE_PHANTOM_KEYS |GPIOKPF_PRINT_UNMAPPED_KEYS /*| GPIOKPF_PRINT_MAPPED_KEYS*/ |
| 247 | }; |
| 248 | |
| 249 | static struct gpio_event_direct_entry trout_keypad_nav_map[] = { |
| 250 | { TROUT_POWER_KEY, KEY_POWER }, |
| 251 | { TROUT_GPIO_CAM_BTN_STEP1_N, KEY_CAMERA-1 }, //steal KEY_HP |
| 252 | { TROUT_GPIO_CAM_BTN_STEP2_N, KEY_CAMERA }, |
| 253 | }; |
| 254 | |
| 255 | static struct gpio_event_direct_entry trout_keypad_nav_map_evt2[] = { |
| 256 | { TROUT_POWER_KEY, KEY_END }, |
| 257 | { TROUT_GPIO_CAM_BTN_STEP1_N, KEY_CAMERA-1 }, //steal KEY_HP |
| 258 | { TROUT_GPIO_CAM_BTN_STEP2_N, KEY_CAMERA }, |
| 259 | }; |
| 260 | |
| 261 | static struct gpio_event_input_info trout_keypad_nav_info = { |
| 262 | .info.func = gpio_event_input_func, |
| 263 | .flags = 0, |
| 264 | .type = EV_KEY, |
| 265 | .keymap = trout_keypad_nav_map, |
| 266 | .keymap_size = ARRAY_SIZE(trout_keypad_nav_map) |
| 267 | }; |
| 268 | |
| 269 | static struct gpio_event_direct_entry trout_keypad_switch_map[] = { |
| 270 | { TROUT_GPIO_SLIDING_DET, SW_LID } |
| 271 | }; |
| 272 | |
| 273 | static struct gpio_event_input_info trout_keypad_switch_info = { |
| 274 | .info.func = gpio_event_input_func, |
| 275 | .flags = 0, |
| 276 | .type = EV_SW, |
| 277 | .keymap = trout_keypad_switch_map, |
| 278 | .keymap_size = ARRAY_SIZE(trout_keypad_switch_map) |
| 279 | }; |
| 280 | |
| 281 | static struct gpio_event_info *trout_keypad_info[] = { |
| 282 | &trout_keypad_matrix_info.info, |
| 283 | &trout_keypad_nav_info.info, |
| 284 | &trout_keypad_switch_info.info, |
| 285 | }; |
| 286 | |
| 287 | static struct gpio_event_platform_data trout_keypad_data = { |
| 288 | .name = "trout-keypad", |
| 289 | .info = trout_keypad_info, |
| 290 | .info_count = ARRAY_SIZE(trout_keypad_info) |
| 291 | }; |
| 292 | |
| 293 | static struct platform_device trout_keypad_device = { |
| 294 | .name = GPIO_EVENT_DEV_NAME, |
| 295 | .id = 0, |
| 296 | .dev = { |
| 297 | .platform_data = &trout_keypad_data, |
| 298 | }, |
| 299 | }; |
| 300 | |
| 301 | static int __init trout_init_keypad(void) |
| 302 | { |
| 303 | if (!machine_is_trout()) |
| 304 | return 0; |
| 305 | |
| 306 | switch (system_rev) { |
| 307 | case 0: |
| 308 | /* legacy default keylayout */ |
| 309 | break; |
| 310 | case 1: |
| 311 | /* v1 has a new keyboard layout */ |
| 312 | trout_keypad_matrix_info.keymap = trout_keymap_evt2_1; |
| 313 | trout_keypad_matrix_info.output_gpios = trout_col_gpios_evt2; |
| 314 | trout_keypad_matrix_info.input_gpios = trout_row_gpios_evt2; |
| 315 | |
| 316 | /* v1 has new direct keys */ |
| 317 | trout_keypad_nav_info.keymap = trout_keypad_nav_map_evt2; |
| 318 | trout_keypad_nav_info.keymap_size = ARRAY_SIZE(trout_keypad_nav_map_evt2); |
| 319 | |
| 320 | /* userspace needs to know about these changes as well */ |
| 321 | trout_keypad_data.name = "trout-keypad-v2"; |
| 322 | break; |
| 323 | default: /* 2, 3, 4 currently */ |
| 324 | /* v2 has a new keyboard layout */ |
| 325 | trout_keypad_matrix_info.keymap = trout_keymap_evt2_2; |
| 326 | trout_keypad_matrix_info.output_gpios = trout_col_gpios_evt2; |
| 327 | trout_keypad_matrix_info.input_gpios = trout_row_gpios_evt2; |
| 328 | |
| 329 | /* v2 has new direct keys */ |
| 330 | trout_keypad_nav_info.keymap = trout_keypad_nav_map_evt2; |
| 331 | trout_keypad_nav_info.keymap_size = ARRAY_SIZE(trout_keypad_nav_map_evt2); |
| 332 | |
| 333 | /* userspace needs to know about these changes as well */ |
| 334 | if (!strcmp(keycaps, "qwertz")) { |
| 335 | trout_keypad_data.name = "trout-keypad-qwertz"; |
| 336 | } else { |
| 337 | trout_keypad_data.name = "trout-keypad-v3"; |
| 338 | } |
| 339 | break; |
| 340 | } |
| 341 | return platform_device_register(&trout_keypad_device); |
| 342 | } |
| 343 | |
| 344 | device_initcall(trout_init_keypad); |
| 345 | |