Bryan Wu | a9a62b6 | 2010-11-17 13:34:33 +0000 | [diff] [blame] | 1 | /* |
| 2 | * Generic DPI Panels support |
| 3 | * |
| 4 | * Copyright (C) 2010 Canonical Ltd. |
| 5 | * Author: Bryan Wu <bryan.wu@canonical.com> |
| 6 | * |
Bryan Wu | ac1427e | 2010-11-18 09:45:59 +0800 | [diff] [blame] | 7 | * LCD panel driver for Sharp LQ043T1DG01 |
| 8 | * |
| 9 | * Copyright (C) 2009 Texas Instruments Inc |
| 10 | * Author: Vaibhav Hiremath <hvaibhav@ti.com> |
| 11 | * |
| 12 | * LCD panel driver for Toppoly TDO35S |
| 13 | * |
| 14 | * Copyright (C) 2009 CompuLab, Ltd. |
| 15 | * Author: Mike Rapoport <mike@compulab.co.il> |
| 16 | * |
Bryan Wu | a9a62b6 | 2010-11-17 13:34:33 +0000 | [diff] [blame] | 17 | * Copyright (C) 2008 Nokia Corporation |
| 18 | * Author: Tomi Valkeinen <tomi.valkeinen@nokia.com> |
| 19 | * |
| 20 | * This program is free software; you can redistribute it and/or modify it |
| 21 | * under the terms of the GNU General Public License version 2 as published by |
| 22 | * the Free Software Foundation. |
| 23 | * |
| 24 | * This program is distributed in the hope that it will be useful, but WITHOUT |
| 25 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| 26 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for |
| 27 | * more details. |
| 28 | * |
| 29 | * You should have received a copy of the GNU General Public License along with |
| 30 | * this program. If not, see <http://www.gnu.org/licenses/>. |
| 31 | */ |
| 32 | |
| 33 | #include <linux/module.h> |
| 34 | #include <linux/delay.h> |
| 35 | #include <linux/slab.h> |
Tomi Valkeinen | a0b38cc | 2011-05-11 14:05:07 +0300 | [diff] [blame] | 36 | #include <video/omapdss.h> |
Bryan Wu | a9a62b6 | 2010-11-17 13:34:33 +0000 | [diff] [blame] | 37 | |
Tomi Valkeinen | f8ae2f0 | 2011-05-10 19:48:10 +0300 | [diff] [blame] | 38 | #include <video/omap-panel-generic-dpi.h> |
Bryan Wu | a9a62b6 | 2010-11-17 13:34:33 +0000 | [diff] [blame] | 39 | |
| 40 | struct panel_config { |
| 41 | struct omap_video_timings timings; |
| 42 | |
| 43 | int acbi; /* ac-bias pin transitions per interrupt */ |
| 44 | /* Unit: line clocks */ |
| 45 | int acb; /* ac-bias pin frequency */ |
| 46 | |
| 47 | enum omap_panel_config config; |
| 48 | |
| 49 | int power_on_delay; |
| 50 | int power_off_delay; |
| 51 | |
| 52 | /* |
| 53 | * Used to match device to panel configuration |
| 54 | * when use generic panel driver |
| 55 | */ |
| 56 | const char *name; |
| 57 | }; |
| 58 | |
| 59 | /* Panel configurations */ |
| 60 | static struct panel_config generic_dpi_panels[] = { |
| 61 | /* Generic Panel */ |
| 62 | { |
| 63 | { |
| 64 | .x_res = 640, |
| 65 | .y_res = 480, |
| 66 | |
| 67 | .pixel_clock = 23500, |
| 68 | |
| 69 | .hfp = 48, |
| 70 | .hsw = 32, |
| 71 | .hbp = 80, |
| 72 | |
| 73 | .vfp = 3, |
| 74 | .vsw = 4, |
| 75 | .vbp = 7, |
| 76 | }, |
| 77 | .acbi = 0x0, |
| 78 | .acb = 0x0, |
| 79 | .config = OMAP_DSS_LCD_TFT, |
| 80 | .power_on_delay = 0, |
| 81 | .power_off_delay = 0, |
| 82 | .name = "generic", |
| 83 | }, |
| 84 | |
| 85 | /* Sharp LQ043T1DG01 */ |
| 86 | { |
| 87 | { |
| 88 | .x_res = 480, |
| 89 | .y_res = 272, |
| 90 | |
| 91 | .pixel_clock = 9000, |
| 92 | |
| 93 | .hsw = 42, |
| 94 | .hfp = 3, |
| 95 | .hbp = 2, |
| 96 | |
| 97 | .vsw = 11, |
| 98 | .vfp = 3, |
| 99 | .vbp = 2, |
| 100 | }, |
| 101 | .acbi = 0x0, |
| 102 | .acb = 0x0, |
| 103 | .config = OMAP_DSS_LCD_TFT | OMAP_DSS_LCD_IVS | |
| 104 | OMAP_DSS_LCD_IHS | OMAP_DSS_LCD_IEO, |
| 105 | .power_on_delay = 50, |
| 106 | .power_off_delay = 100, |
| 107 | .name = "sharp_lq", |
| 108 | }, |
| 109 | |
| 110 | /* Sharp LS037V7DW01 */ |
| 111 | { |
| 112 | { |
| 113 | .x_res = 480, |
| 114 | .y_res = 640, |
| 115 | |
| 116 | .pixel_clock = 19200, |
| 117 | |
| 118 | .hsw = 2, |
| 119 | .hfp = 1, |
| 120 | .hbp = 28, |
| 121 | |
| 122 | .vsw = 1, |
| 123 | .vfp = 1, |
| 124 | .vbp = 1, |
| 125 | }, |
| 126 | .acbi = 0x0, |
| 127 | .acb = 0x28, |
| 128 | .config = OMAP_DSS_LCD_TFT | OMAP_DSS_LCD_IVS | |
| 129 | OMAP_DSS_LCD_IHS, |
| 130 | .power_on_delay = 50, |
| 131 | .power_off_delay = 100, |
| 132 | .name = "sharp_ls", |
| 133 | }, |
| 134 | |
| 135 | /* Toppoly TDO35S */ |
| 136 | { |
| 137 | { |
| 138 | .x_res = 480, |
| 139 | .y_res = 640, |
| 140 | |
| 141 | .pixel_clock = 26000, |
| 142 | |
| 143 | .hfp = 104, |
| 144 | .hsw = 8, |
| 145 | .hbp = 8, |
| 146 | |
| 147 | .vfp = 4, |
| 148 | .vsw = 2, |
| 149 | .vbp = 2, |
| 150 | }, |
| 151 | .acbi = 0x0, |
| 152 | .acb = 0x0, |
| 153 | .config = OMAP_DSS_LCD_TFT | OMAP_DSS_LCD_IVS | |
| 154 | OMAP_DSS_LCD_IHS | OMAP_DSS_LCD_IPC | |
| 155 | OMAP_DSS_LCD_ONOFF, |
| 156 | .power_on_delay = 0, |
| 157 | .power_off_delay = 0, |
| 158 | .name = "toppoly_tdo35s", |
| 159 | }, |
Tomi Valkeinen | 09dc89c | 2011-02-22 16:39:47 +0200 | [diff] [blame] | 160 | |
| 161 | /* Samsung LTE430WQ-F0C */ |
| 162 | { |
| 163 | { |
| 164 | .x_res = 480, |
| 165 | .y_res = 272, |
| 166 | |
| 167 | .pixel_clock = 9200, |
| 168 | |
| 169 | .hfp = 8, |
| 170 | .hsw = 41, |
| 171 | .hbp = 45 - 41, |
| 172 | |
| 173 | .vfp = 4, |
| 174 | .vsw = 10, |
| 175 | .vbp = 12 - 10, |
| 176 | }, |
| 177 | .acbi = 0x0, |
| 178 | .acb = 0x0, |
| 179 | .config = OMAP_DSS_LCD_TFT | OMAP_DSS_LCD_IVS | |
| 180 | OMAP_DSS_LCD_IHS, |
| 181 | .power_on_delay = 0, |
| 182 | .power_off_delay = 0, |
| 183 | .name = "samsung_lte430wq_f0c", |
| 184 | }, |
Enric Balletbo i Serra | 50ca19d | 2011-05-03 09:07:36 +0200 | [diff] [blame] | 185 | |
| 186 | /* Seiko 70WVW1TZ3Z3 */ |
| 187 | { |
| 188 | { |
| 189 | .x_res = 800, |
| 190 | .y_res = 480, |
| 191 | |
| 192 | .pixel_clock = 33000, |
| 193 | |
| 194 | .hsw = 128, |
| 195 | .hfp = 10, |
| 196 | .hbp = 10, |
| 197 | |
| 198 | .vsw = 2, |
| 199 | .vfp = 4, |
| 200 | .vbp = 11, |
| 201 | }, |
| 202 | .acbi = 0x0, |
| 203 | .acb = 0x0, |
| 204 | .config = OMAP_DSS_LCD_TFT | OMAP_DSS_LCD_IVS | |
| 205 | OMAP_DSS_LCD_IHS, |
| 206 | .power_on_delay = 0, |
| 207 | .power_off_delay = 0, |
| 208 | .name = "seiko_70wvw1tz3", |
| 209 | }, |
Enric Balletbo i Serra | a0ce4cc | 2011-05-03 09:07:37 +0200 | [diff] [blame^] | 210 | |
| 211 | /* Powertip PH480272T */ |
| 212 | { |
| 213 | { |
| 214 | .x_res = 480, |
| 215 | .y_res = 272, |
| 216 | |
| 217 | .pixel_clock = 9000, |
| 218 | |
| 219 | .hsw = 40, |
| 220 | .hfp = 2, |
| 221 | .hbp = 2, |
| 222 | |
| 223 | .vsw = 10, |
| 224 | .vfp = 2, |
| 225 | .vbp = 2, |
| 226 | }, |
| 227 | .acbi = 0x0, |
| 228 | .acb = 0x0, |
| 229 | .config = OMAP_DSS_LCD_TFT | OMAP_DSS_LCD_IVS | |
| 230 | OMAP_DSS_LCD_IHS | OMAP_DSS_LCD_IEO, |
| 231 | .power_on_delay = 0, |
| 232 | .power_off_delay = 0, |
| 233 | .name = "powertip_ph480272t", |
| 234 | }, |
Bryan Wu | a9a62b6 | 2010-11-17 13:34:33 +0000 | [diff] [blame] | 235 | }; |
| 236 | |
| 237 | struct panel_drv_data { |
| 238 | |
| 239 | struct omap_dss_device *dssdev; |
| 240 | |
| 241 | struct panel_config *panel_config; |
| 242 | }; |
| 243 | |
| 244 | static inline struct panel_generic_dpi_data |
| 245 | *get_panel_data(const struct omap_dss_device *dssdev) |
| 246 | { |
| 247 | return (struct panel_generic_dpi_data *) dssdev->data; |
| 248 | } |
| 249 | |
| 250 | static int generic_dpi_panel_power_on(struct omap_dss_device *dssdev) |
| 251 | { |
| 252 | int r; |
| 253 | struct panel_generic_dpi_data *panel_data = get_panel_data(dssdev); |
| 254 | struct panel_drv_data *drv_data = dev_get_drvdata(&dssdev->dev); |
| 255 | struct panel_config *panel_config = drv_data->panel_config; |
| 256 | |
| 257 | if (dssdev->state == OMAP_DSS_DISPLAY_ACTIVE) |
| 258 | return 0; |
| 259 | |
| 260 | r = omapdss_dpi_display_enable(dssdev); |
| 261 | if (r) |
| 262 | goto err0; |
| 263 | |
| 264 | /* wait couple of vsyncs until enabling the LCD */ |
| 265 | if (panel_config->power_on_delay) |
| 266 | msleep(panel_config->power_on_delay); |
| 267 | |
| 268 | if (panel_data->platform_enable) { |
| 269 | r = panel_data->platform_enable(dssdev); |
| 270 | if (r) |
| 271 | goto err1; |
| 272 | } |
| 273 | |
| 274 | return 0; |
| 275 | err1: |
| 276 | omapdss_dpi_display_disable(dssdev); |
| 277 | err0: |
| 278 | return r; |
| 279 | } |
| 280 | |
| 281 | static void generic_dpi_panel_power_off(struct omap_dss_device *dssdev) |
| 282 | { |
| 283 | struct panel_generic_dpi_data *panel_data = get_panel_data(dssdev); |
| 284 | struct panel_drv_data *drv_data = dev_get_drvdata(&dssdev->dev); |
| 285 | struct panel_config *panel_config = drv_data->panel_config; |
| 286 | |
| 287 | if (dssdev->state != OMAP_DSS_DISPLAY_ACTIVE) |
| 288 | return; |
| 289 | |
| 290 | if (panel_data->platform_disable) |
| 291 | panel_data->platform_disable(dssdev); |
| 292 | |
| 293 | /* wait couple of vsyncs after disabling the LCD */ |
| 294 | if (panel_config->power_off_delay) |
| 295 | msleep(panel_config->power_off_delay); |
| 296 | |
| 297 | omapdss_dpi_display_disable(dssdev); |
| 298 | } |
| 299 | |
| 300 | static int generic_dpi_panel_probe(struct omap_dss_device *dssdev) |
| 301 | { |
| 302 | struct panel_generic_dpi_data *panel_data = get_panel_data(dssdev); |
| 303 | struct panel_config *panel_config = NULL; |
| 304 | struct panel_drv_data *drv_data = NULL; |
| 305 | int i; |
| 306 | |
| 307 | dev_dbg(&dssdev->dev, "probe\n"); |
| 308 | |
| 309 | if (!panel_data || !panel_data->name) |
| 310 | return -EINVAL; |
| 311 | |
| 312 | for (i = 0; i < ARRAY_SIZE(generic_dpi_panels); i++) { |
| 313 | if (strcmp(panel_data->name, generic_dpi_panels[i].name) == 0) { |
| 314 | panel_config = &generic_dpi_panels[i]; |
| 315 | break; |
| 316 | } |
| 317 | } |
| 318 | |
| 319 | if (!panel_config) |
| 320 | return -EINVAL; |
| 321 | |
| 322 | dssdev->panel.config = panel_config->config; |
| 323 | dssdev->panel.timings = panel_config->timings; |
| 324 | dssdev->panel.acb = panel_config->acb; |
| 325 | dssdev->panel.acbi = panel_config->acbi; |
| 326 | |
| 327 | drv_data = kzalloc(sizeof(*drv_data), GFP_KERNEL); |
| 328 | if (!drv_data) |
| 329 | return -ENOMEM; |
| 330 | |
| 331 | drv_data->dssdev = dssdev; |
| 332 | drv_data->panel_config = panel_config; |
| 333 | |
| 334 | dev_set_drvdata(&dssdev->dev, drv_data); |
| 335 | |
| 336 | return 0; |
| 337 | } |
| 338 | |
Tomi Valkeinen | 14e4d78 | 2011-03-31 12:03:51 +0300 | [diff] [blame] | 339 | static void __exit generic_dpi_panel_remove(struct omap_dss_device *dssdev) |
Bryan Wu | a9a62b6 | 2010-11-17 13:34:33 +0000 | [diff] [blame] | 340 | { |
| 341 | struct panel_drv_data *drv_data = dev_get_drvdata(&dssdev->dev); |
| 342 | |
| 343 | dev_dbg(&dssdev->dev, "remove\n"); |
| 344 | |
| 345 | kfree(drv_data); |
| 346 | |
| 347 | dev_set_drvdata(&dssdev->dev, NULL); |
| 348 | } |
| 349 | |
| 350 | static int generic_dpi_panel_enable(struct omap_dss_device *dssdev) |
| 351 | { |
| 352 | int r = 0; |
| 353 | |
| 354 | r = generic_dpi_panel_power_on(dssdev); |
| 355 | if (r) |
| 356 | return r; |
| 357 | |
| 358 | dssdev->state = OMAP_DSS_DISPLAY_ACTIVE; |
| 359 | |
| 360 | return 0; |
| 361 | } |
| 362 | |
| 363 | static void generic_dpi_panel_disable(struct omap_dss_device *dssdev) |
| 364 | { |
| 365 | generic_dpi_panel_power_off(dssdev); |
| 366 | |
| 367 | dssdev->state = OMAP_DSS_DISPLAY_DISABLED; |
| 368 | } |
| 369 | |
| 370 | static int generic_dpi_panel_suspend(struct omap_dss_device *dssdev) |
| 371 | { |
| 372 | generic_dpi_panel_power_off(dssdev); |
| 373 | |
| 374 | dssdev->state = OMAP_DSS_DISPLAY_SUSPENDED; |
| 375 | |
| 376 | return 0; |
| 377 | } |
| 378 | |
| 379 | static int generic_dpi_panel_resume(struct omap_dss_device *dssdev) |
| 380 | { |
| 381 | int r = 0; |
| 382 | |
| 383 | r = generic_dpi_panel_power_on(dssdev); |
| 384 | if (r) |
| 385 | return r; |
| 386 | |
| 387 | dssdev->state = OMAP_DSS_DISPLAY_ACTIVE; |
| 388 | |
| 389 | return 0; |
| 390 | } |
| 391 | |
| 392 | static void generic_dpi_panel_set_timings(struct omap_dss_device *dssdev, |
| 393 | struct omap_video_timings *timings) |
| 394 | { |
| 395 | dpi_set_timings(dssdev, timings); |
| 396 | } |
| 397 | |
| 398 | static void generic_dpi_panel_get_timings(struct omap_dss_device *dssdev, |
| 399 | struct omap_video_timings *timings) |
| 400 | { |
| 401 | *timings = dssdev->panel.timings; |
| 402 | } |
| 403 | |
| 404 | static int generic_dpi_panel_check_timings(struct omap_dss_device *dssdev, |
| 405 | struct omap_video_timings *timings) |
| 406 | { |
| 407 | return dpi_check_timings(dssdev, timings); |
| 408 | } |
| 409 | |
| 410 | static struct omap_dss_driver dpi_driver = { |
| 411 | .probe = generic_dpi_panel_probe, |
Tomi Valkeinen | 14e4d78 | 2011-03-31 12:03:51 +0300 | [diff] [blame] | 412 | .remove = __exit_p(generic_dpi_panel_remove), |
Bryan Wu | a9a62b6 | 2010-11-17 13:34:33 +0000 | [diff] [blame] | 413 | |
| 414 | .enable = generic_dpi_panel_enable, |
| 415 | .disable = generic_dpi_panel_disable, |
| 416 | .suspend = generic_dpi_panel_suspend, |
| 417 | .resume = generic_dpi_panel_resume, |
| 418 | |
| 419 | .set_timings = generic_dpi_panel_set_timings, |
| 420 | .get_timings = generic_dpi_panel_get_timings, |
| 421 | .check_timings = generic_dpi_panel_check_timings, |
| 422 | |
| 423 | .driver = { |
| 424 | .name = "generic_dpi_panel", |
| 425 | .owner = THIS_MODULE, |
| 426 | }, |
| 427 | }; |
| 428 | |
| 429 | static int __init generic_dpi_panel_drv_init(void) |
| 430 | { |
| 431 | return omap_dss_register_driver(&dpi_driver); |
| 432 | } |
| 433 | |
| 434 | static void __exit generic_dpi_panel_drv_exit(void) |
| 435 | { |
| 436 | omap_dss_unregister_driver(&dpi_driver); |
| 437 | } |
| 438 | |
| 439 | module_init(generic_dpi_panel_drv_init); |
| 440 | module_exit(generic_dpi_panel_drv_exit); |
| 441 | MODULE_LICENSE("GPL"); |