Tomi Valkeinen | f133a9d | 2009-10-28 11:31:05 +0200 | [diff] [blame] | 1 | /* |
| 2 | * Taal DSI command mode panel |
| 3 | * |
| 4 | * Copyright (C) 2009 Nokia Corporation |
| 5 | * Author: Tomi Valkeinen <tomi.valkeinen@nokia.com> |
| 6 | * |
| 7 | * This program is free software; you can redistribute it and/or modify it |
| 8 | * under the terms of the GNU General Public License version 2 as published by |
| 9 | * the Free Software Foundation. |
| 10 | * |
| 11 | * This program is distributed in the hope that it will be useful, but WITHOUT |
| 12 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| 13 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for |
| 14 | * more details. |
| 15 | * |
| 16 | * You should have received a copy of the GNU General Public License along with |
| 17 | * this program. If not, see <http://www.gnu.org/licenses/>. |
| 18 | */ |
| 19 | |
| 20 | /*#define DEBUG*/ |
| 21 | |
| 22 | #include <linux/module.h> |
| 23 | #include <linux/delay.h> |
| 24 | #include <linux/err.h> |
| 25 | #include <linux/jiffies.h> |
| 26 | #include <linux/sched.h> |
| 27 | #include <linux/backlight.h> |
| 28 | #include <linux/fb.h> |
| 29 | #include <linux/interrupt.h> |
| 30 | #include <linux/gpio.h> |
Tomi Valkeinen | f133a9d | 2009-10-28 11:31:05 +0200 | [diff] [blame] | 31 | #include <linux/workqueue.h> |
Tejun Heo | 5a0e3ad | 2010-03-24 17:04:11 +0900 | [diff] [blame] | 32 | #include <linux/slab.h> |
Tomi Valkeinen | a3201a0 | 2010-03-03 14:31:45 +0200 | [diff] [blame] | 33 | #include <linux/mutex.h> |
Tomi Valkeinen | f133a9d | 2009-10-28 11:31:05 +0200 | [diff] [blame] | 34 | |
| 35 | #include <plat/display.h> |
Tomi Valkeinen | 8d3573c | 2010-06-09 15:23:44 +0300 | [diff] [blame] | 36 | #include <plat/nokia-dsi-panel.h> |
Tomi Valkeinen | f133a9d | 2009-10-28 11:31:05 +0200 | [diff] [blame] | 37 | |
| 38 | /* DSI Virtual channel. Hardcoded for now. */ |
| 39 | #define TCH 0 |
| 40 | |
| 41 | #define DCS_READ_NUM_ERRORS 0x05 |
| 42 | #define DCS_READ_POWER_MODE 0x0a |
| 43 | #define DCS_READ_MADCTL 0x0b |
| 44 | #define DCS_READ_PIXEL_FORMAT 0x0c |
| 45 | #define DCS_RDDSDR 0x0f |
| 46 | #define DCS_SLEEP_IN 0x10 |
| 47 | #define DCS_SLEEP_OUT 0x11 |
| 48 | #define DCS_DISPLAY_OFF 0x28 |
| 49 | #define DCS_DISPLAY_ON 0x29 |
| 50 | #define DCS_COLUMN_ADDR 0x2a |
| 51 | #define DCS_PAGE_ADDR 0x2b |
| 52 | #define DCS_MEMORY_WRITE 0x2c |
| 53 | #define DCS_TEAR_OFF 0x34 |
| 54 | #define DCS_TEAR_ON 0x35 |
| 55 | #define DCS_MEM_ACC_CTRL 0x36 |
| 56 | #define DCS_PIXEL_FORMAT 0x3a |
| 57 | #define DCS_BRIGHTNESS 0x51 |
| 58 | #define DCS_CTRL_DISPLAY 0x53 |
| 59 | #define DCS_WRITE_CABC 0x55 |
| 60 | #define DCS_READ_CABC 0x56 |
| 61 | #define DCS_GET_ID1 0xda |
| 62 | #define DCS_GET_ID2 0xdb |
| 63 | #define DCS_GET_ID3 0xdc |
| 64 | |
Tomi Valkeinen | f133a9d | 2009-10-28 11:31:05 +0200 | [diff] [blame] | 65 | #define TAAL_ESD_CHECK_PERIOD msecs_to_jiffies(5000) |
| 66 | |
Jani Nikula | 7ae2fb1 | 2010-04-13 10:57:52 +0300 | [diff] [blame] | 67 | static irqreturn_t taal_te_isr(int irq, void *data); |
| 68 | static void taal_te_timeout_work_callback(struct work_struct *work); |
Tomi Valkeinen | 21df20f | 2010-03-02 12:13:55 +0200 | [diff] [blame] | 69 | static int _taal_enable_te(struct omap_dss_device *dssdev, bool enable); |
| 70 | |
Jani Nikula | e7f6c3f | 2010-04-15 12:55:38 +0300 | [diff] [blame^] | 71 | /** |
| 72 | * struct panel_config - panel configuration |
| 73 | * @name: panel name |
| 74 | * @type: panel type |
| 75 | * @timings: panel resolution |
| 76 | * @sleep: various panel specific delays, passed to msleep() if non-zero |
| 77 | * @reset_sequence: reset sequence timings, passed to udelay() if non-zero |
| 78 | */ |
| 79 | struct panel_config { |
| 80 | const char *name; |
| 81 | int type; |
| 82 | |
| 83 | struct omap_video_timings timings; |
| 84 | |
| 85 | struct { |
| 86 | unsigned int sleep_in; |
| 87 | unsigned int sleep_out; |
| 88 | unsigned int hw_reset; |
| 89 | unsigned int enable_te; |
| 90 | } sleep; |
| 91 | |
| 92 | struct { |
| 93 | unsigned int high; |
| 94 | unsigned int low; |
| 95 | } reset_sequence; |
| 96 | }; |
| 97 | |
| 98 | enum { |
| 99 | PANEL_TAAL, |
| 100 | }; |
| 101 | |
| 102 | static struct panel_config panel_configs[] = { |
| 103 | { |
| 104 | .name = "taal", |
| 105 | .type = PANEL_TAAL, |
| 106 | .timings = { |
| 107 | .x_res = 864, |
| 108 | .y_res = 480, |
| 109 | }, |
| 110 | .sleep = { |
| 111 | .sleep_in = 5, |
| 112 | .sleep_out = 5, |
| 113 | .hw_reset = 5, |
| 114 | .enable_te = 100, /* possible panel bug */ |
| 115 | }, |
| 116 | .reset_sequence = { |
| 117 | .high = 10, |
| 118 | .low = 10, |
| 119 | }, |
| 120 | }, |
| 121 | }; |
| 122 | |
Tomi Valkeinen | f133a9d | 2009-10-28 11:31:05 +0200 | [diff] [blame] | 123 | struct taal_data { |
Tomi Valkeinen | a3201a0 | 2010-03-03 14:31:45 +0200 | [diff] [blame] | 124 | struct mutex lock; |
| 125 | |
Tomi Valkeinen | f133a9d | 2009-10-28 11:31:05 +0200 | [diff] [blame] | 126 | struct backlight_device *bldev; |
| 127 | |
| 128 | unsigned long hw_guard_end; /* next value of jiffies when we can |
| 129 | * issue the next sleep in/out command |
| 130 | */ |
| 131 | unsigned long hw_guard_wait; /* max guard time in jiffies */ |
| 132 | |
| 133 | struct omap_dss_device *dssdev; |
| 134 | |
| 135 | bool enabled; |
| 136 | u8 rotate; |
| 137 | bool mirror; |
| 138 | |
| 139 | bool te_enabled; |
Jani Nikula | 7ae2fb1 | 2010-04-13 10:57:52 +0300 | [diff] [blame] | 140 | |
| 141 | atomic_t do_update; |
| 142 | struct { |
| 143 | u16 x; |
| 144 | u16 y; |
| 145 | u16 w; |
| 146 | u16 h; |
| 147 | } update_region; |
| 148 | struct delayed_work te_timeout_work; |
Tomi Valkeinen | f133a9d | 2009-10-28 11:31:05 +0200 | [diff] [blame] | 149 | |
| 150 | bool use_dsi_bl; |
| 151 | |
| 152 | bool cabc_broken; |
| 153 | unsigned cabc_mode; |
| 154 | |
| 155 | bool intro_printed; |
| 156 | |
| 157 | struct workqueue_struct *esd_wq; |
| 158 | struct delayed_work esd_work; |
Jani Nikula | e7f6c3f | 2010-04-15 12:55:38 +0300 | [diff] [blame^] | 159 | |
| 160 | struct panel_config *panel_config; |
Tomi Valkeinen | f133a9d | 2009-10-28 11:31:05 +0200 | [diff] [blame] | 161 | }; |
| 162 | |
Tomi Valkeinen | 8d3573c | 2010-06-09 15:23:44 +0300 | [diff] [blame] | 163 | static inline struct nokia_dsi_panel_data |
| 164 | *get_panel_data(const struct omap_dss_device *dssdev) |
| 165 | { |
| 166 | return (struct nokia_dsi_panel_data *) dssdev->data; |
| 167 | } |
| 168 | |
Tomi Valkeinen | f133a9d | 2009-10-28 11:31:05 +0200 | [diff] [blame] | 169 | static void taal_esd_work(struct work_struct *work); |
| 170 | |
| 171 | static void hw_guard_start(struct taal_data *td, int guard_msec) |
| 172 | { |
| 173 | td->hw_guard_wait = msecs_to_jiffies(guard_msec); |
| 174 | td->hw_guard_end = jiffies + td->hw_guard_wait; |
| 175 | } |
| 176 | |
| 177 | static void hw_guard_wait(struct taal_data *td) |
| 178 | { |
| 179 | unsigned long wait = td->hw_guard_end - jiffies; |
| 180 | |
| 181 | if ((long)wait > 0 && wait <= td->hw_guard_wait) { |
| 182 | set_current_state(TASK_UNINTERRUPTIBLE); |
| 183 | schedule_timeout(wait); |
| 184 | } |
| 185 | } |
| 186 | |
| 187 | static int taal_dcs_read_1(u8 dcs_cmd, u8 *data) |
| 188 | { |
| 189 | int r; |
| 190 | u8 buf[1]; |
| 191 | |
| 192 | r = dsi_vc_dcs_read(TCH, dcs_cmd, buf, 1); |
| 193 | |
| 194 | if (r < 0) |
| 195 | return r; |
| 196 | |
| 197 | *data = buf[0]; |
| 198 | |
| 199 | return 0; |
| 200 | } |
| 201 | |
| 202 | static int taal_dcs_write_0(u8 dcs_cmd) |
| 203 | { |
| 204 | return dsi_vc_dcs_write(TCH, &dcs_cmd, 1); |
| 205 | } |
| 206 | |
| 207 | static int taal_dcs_write_1(u8 dcs_cmd, u8 param) |
| 208 | { |
| 209 | u8 buf[2]; |
| 210 | buf[0] = dcs_cmd; |
| 211 | buf[1] = param; |
| 212 | return dsi_vc_dcs_write(TCH, buf, 2); |
| 213 | } |
| 214 | |
| 215 | static int taal_sleep_in(struct taal_data *td) |
| 216 | |
| 217 | { |
| 218 | u8 cmd; |
| 219 | int r; |
| 220 | |
| 221 | hw_guard_wait(td); |
| 222 | |
| 223 | cmd = DCS_SLEEP_IN; |
| 224 | r = dsi_vc_dcs_write_nosync(TCH, &cmd, 1); |
| 225 | if (r) |
| 226 | return r; |
| 227 | |
| 228 | hw_guard_start(td, 120); |
| 229 | |
Jani Nikula | e7f6c3f | 2010-04-15 12:55:38 +0300 | [diff] [blame^] | 230 | if (td->panel_config->sleep.sleep_in) |
| 231 | msleep(td->panel_config->sleep.sleep_in); |
Tomi Valkeinen | f133a9d | 2009-10-28 11:31:05 +0200 | [diff] [blame] | 232 | |
| 233 | return 0; |
| 234 | } |
| 235 | |
| 236 | static int taal_sleep_out(struct taal_data *td) |
| 237 | { |
| 238 | int r; |
| 239 | |
| 240 | hw_guard_wait(td); |
| 241 | |
| 242 | r = taal_dcs_write_0(DCS_SLEEP_OUT); |
| 243 | if (r) |
| 244 | return r; |
| 245 | |
| 246 | hw_guard_start(td, 120); |
| 247 | |
Jani Nikula | e7f6c3f | 2010-04-15 12:55:38 +0300 | [diff] [blame^] | 248 | if (td->panel_config->sleep.sleep_out) |
| 249 | msleep(td->panel_config->sleep.sleep_out); |
Tomi Valkeinen | f133a9d | 2009-10-28 11:31:05 +0200 | [diff] [blame] | 250 | |
| 251 | return 0; |
| 252 | } |
| 253 | |
| 254 | static int taal_get_id(u8 *id1, u8 *id2, u8 *id3) |
| 255 | { |
| 256 | int r; |
| 257 | |
| 258 | r = taal_dcs_read_1(DCS_GET_ID1, id1); |
| 259 | if (r) |
| 260 | return r; |
| 261 | r = taal_dcs_read_1(DCS_GET_ID2, id2); |
| 262 | if (r) |
| 263 | return r; |
| 264 | r = taal_dcs_read_1(DCS_GET_ID3, id3); |
| 265 | if (r) |
| 266 | return r; |
| 267 | |
| 268 | return 0; |
| 269 | } |
| 270 | |
| 271 | static int taal_set_addr_mode(u8 rotate, bool mirror) |
| 272 | { |
| 273 | int r; |
| 274 | u8 mode; |
| 275 | int b5, b6, b7; |
| 276 | |
| 277 | r = taal_dcs_read_1(DCS_READ_MADCTL, &mode); |
| 278 | if (r) |
| 279 | return r; |
| 280 | |
| 281 | switch (rotate) { |
| 282 | default: |
| 283 | case 0: |
| 284 | b7 = 0; |
| 285 | b6 = 0; |
| 286 | b5 = 0; |
| 287 | break; |
| 288 | case 1: |
| 289 | b7 = 0; |
| 290 | b6 = 1; |
| 291 | b5 = 1; |
| 292 | break; |
| 293 | case 2: |
| 294 | b7 = 1; |
| 295 | b6 = 1; |
| 296 | b5 = 0; |
| 297 | break; |
| 298 | case 3: |
| 299 | b7 = 1; |
| 300 | b6 = 0; |
| 301 | b5 = 1; |
| 302 | break; |
| 303 | } |
| 304 | |
| 305 | if (mirror) |
| 306 | b6 = !b6; |
| 307 | |
| 308 | mode &= ~((1<<7) | (1<<6) | (1<<5)); |
| 309 | mode |= (b7 << 7) | (b6 << 6) | (b5 << 5); |
| 310 | |
| 311 | return taal_dcs_write_1(DCS_MEM_ACC_CTRL, mode); |
| 312 | } |
| 313 | |
| 314 | static int taal_set_update_window(u16 x, u16 y, u16 w, u16 h) |
| 315 | { |
| 316 | int r; |
| 317 | u16 x1 = x; |
| 318 | u16 x2 = x + w - 1; |
| 319 | u16 y1 = y; |
| 320 | u16 y2 = y + h - 1; |
| 321 | |
| 322 | u8 buf[5]; |
| 323 | buf[0] = DCS_COLUMN_ADDR; |
| 324 | buf[1] = (x1 >> 8) & 0xff; |
| 325 | buf[2] = (x1 >> 0) & 0xff; |
| 326 | buf[3] = (x2 >> 8) & 0xff; |
| 327 | buf[4] = (x2 >> 0) & 0xff; |
| 328 | |
| 329 | r = dsi_vc_dcs_write_nosync(TCH, buf, sizeof(buf)); |
| 330 | if (r) |
| 331 | return r; |
| 332 | |
| 333 | buf[0] = DCS_PAGE_ADDR; |
| 334 | buf[1] = (y1 >> 8) & 0xff; |
| 335 | buf[2] = (y1 >> 0) & 0xff; |
| 336 | buf[3] = (y2 >> 8) & 0xff; |
| 337 | buf[4] = (y2 >> 0) & 0xff; |
| 338 | |
| 339 | r = dsi_vc_dcs_write_nosync(TCH, buf, sizeof(buf)); |
| 340 | if (r) |
| 341 | return r; |
| 342 | |
| 343 | dsi_vc_send_bta_sync(TCH); |
| 344 | |
| 345 | return r; |
| 346 | } |
| 347 | |
| 348 | static int taal_bl_update_status(struct backlight_device *dev) |
| 349 | { |
| 350 | struct omap_dss_device *dssdev = dev_get_drvdata(&dev->dev); |
| 351 | struct taal_data *td = dev_get_drvdata(&dssdev->dev); |
Tomi Valkeinen | 8d3573c | 2010-06-09 15:23:44 +0300 | [diff] [blame] | 352 | struct nokia_dsi_panel_data *panel_data = get_panel_data(dssdev); |
Tomi Valkeinen | f133a9d | 2009-10-28 11:31:05 +0200 | [diff] [blame] | 353 | int r; |
| 354 | int level; |
| 355 | |
| 356 | if (dev->props.fb_blank == FB_BLANK_UNBLANK && |
| 357 | dev->props.power == FB_BLANK_UNBLANK) |
| 358 | level = dev->props.brightness; |
| 359 | else |
| 360 | level = 0; |
| 361 | |
| 362 | dev_dbg(&dssdev->dev, "update brightness to %d\n", level); |
| 363 | |
Tomi Valkeinen | 1cbc870 | 2010-04-15 16:41:07 +0300 | [diff] [blame] | 364 | mutex_lock(&td->lock); |
| 365 | |
Tomi Valkeinen | f133a9d | 2009-10-28 11:31:05 +0200 | [diff] [blame] | 366 | if (td->use_dsi_bl) { |
| 367 | if (td->enabled) { |
| 368 | dsi_bus_lock(); |
| 369 | r = taal_dcs_write_1(DCS_BRIGHTNESS, level); |
| 370 | dsi_bus_unlock(); |
Tomi Valkeinen | 1cbc870 | 2010-04-15 16:41:07 +0300 | [diff] [blame] | 371 | } else { |
| 372 | r = 0; |
Tomi Valkeinen | f133a9d | 2009-10-28 11:31:05 +0200 | [diff] [blame] | 373 | } |
| 374 | } else { |
Tomi Valkeinen | 8d3573c | 2010-06-09 15:23:44 +0300 | [diff] [blame] | 375 | if (!panel_data->set_backlight) |
Tomi Valkeinen | 1cbc870 | 2010-04-15 16:41:07 +0300 | [diff] [blame] | 376 | r = -EINVAL; |
| 377 | else |
Tomi Valkeinen | 8d3573c | 2010-06-09 15:23:44 +0300 | [diff] [blame] | 378 | r = panel_data->set_backlight(dssdev, level); |
Tomi Valkeinen | f133a9d | 2009-10-28 11:31:05 +0200 | [diff] [blame] | 379 | } |
| 380 | |
Tomi Valkeinen | 1cbc870 | 2010-04-15 16:41:07 +0300 | [diff] [blame] | 381 | mutex_unlock(&td->lock); |
| 382 | |
| 383 | return r; |
Tomi Valkeinen | f133a9d | 2009-10-28 11:31:05 +0200 | [diff] [blame] | 384 | } |
| 385 | |
| 386 | static int taal_bl_get_intensity(struct backlight_device *dev) |
| 387 | { |
| 388 | if (dev->props.fb_blank == FB_BLANK_UNBLANK && |
| 389 | dev->props.power == FB_BLANK_UNBLANK) |
| 390 | return dev->props.brightness; |
| 391 | |
| 392 | return 0; |
| 393 | } |
| 394 | |
| 395 | static struct backlight_ops taal_bl_ops = { |
| 396 | .get_brightness = taal_bl_get_intensity, |
| 397 | .update_status = taal_bl_update_status, |
| 398 | }; |
| 399 | |
| 400 | static void taal_get_timings(struct omap_dss_device *dssdev, |
| 401 | struct omap_video_timings *timings) |
| 402 | { |
| 403 | *timings = dssdev->panel.timings; |
| 404 | } |
| 405 | |
| 406 | static void taal_get_resolution(struct omap_dss_device *dssdev, |
| 407 | u16 *xres, u16 *yres) |
| 408 | { |
| 409 | struct taal_data *td = dev_get_drvdata(&dssdev->dev); |
| 410 | |
| 411 | if (td->rotate == 0 || td->rotate == 2) { |
| 412 | *xres = dssdev->panel.timings.x_res; |
| 413 | *yres = dssdev->panel.timings.y_res; |
| 414 | } else { |
| 415 | *yres = dssdev->panel.timings.x_res; |
| 416 | *xres = dssdev->panel.timings.y_res; |
| 417 | } |
| 418 | } |
| 419 | |
Tomi Valkeinen | f133a9d | 2009-10-28 11:31:05 +0200 | [diff] [blame] | 420 | static ssize_t taal_num_errors_show(struct device *dev, |
| 421 | struct device_attribute *attr, char *buf) |
| 422 | { |
| 423 | struct omap_dss_device *dssdev = to_dss_device(dev); |
| 424 | struct taal_data *td = dev_get_drvdata(&dssdev->dev); |
| 425 | u8 errors; |
| 426 | int r; |
| 427 | |
Jani Nikula | 6b31671 | 2010-04-28 11:15:18 +0300 | [diff] [blame] | 428 | mutex_lock(&td->lock); |
| 429 | |
Tomi Valkeinen | f133a9d | 2009-10-28 11:31:05 +0200 | [diff] [blame] | 430 | if (td->enabled) { |
| 431 | dsi_bus_lock(); |
| 432 | r = taal_dcs_read_1(DCS_READ_NUM_ERRORS, &errors); |
| 433 | dsi_bus_unlock(); |
| 434 | } else { |
| 435 | r = -ENODEV; |
| 436 | } |
| 437 | |
Jani Nikula | 6b31671 | 2010-04-28 11:15:18 +0300 | [diff] [blame] | 438 | mutex_unlock(&td->lock); |
| 439 | |
Tomi Valkeinen | f133a9d | 2009-10-28 11:31:05 +0200 | [diff] [blame] | 440 | if (r) |
| 441 | return r; |
| 442 | |
| 443 | return snprintf(buf, PAGE_SIZE, "%d\n", errors); |
| 444 | } |
| 445 | |
| 446 | static ssize_t taal_hw_revision_show(struct device *dev, |
| 447 | struct device_attribute *attr, char *buf) |
| 448 | { |
| 449 | struct omap_dss_device *dssdev = to_dss_device(dev); |
| 450 | struct taal_data *td = dev_get_drvdata(&dssdev->dev); |
| 451 | u8 id1, id2, id3; |
| 452 | int r; |
| 453 | |
Jani Nikula | 6b31671 | 2010-04-28 11:15:18 +0300 | [diff] [blame] | 454 | mutex_lock(&td->lock); |
| 455 | |
Tomi Valkeinen | f133a9d | 2009-10-28 11:31:05 +0200 | [diff] [blame] | 456 | if (td->enabled) { |
| 457 | dsi_bus_lock(); |
| 458 | r = taal_get_id(&id1, &id2, &id3); |
| 459 | dsi_bus_unlock(); |
| 460 | } else { |
| 461 | r = -ENODEV; |
| 462 | } |
| 463 | |
Jani Nikula | 6b31671 | 2010-04-28 11:15:18 +0300 | [diff] [blame] | 464 | mutex_unlock(&td->lock); |
| 465 | |
Tomi Valkeinen | f133a9d | 2009-10-28 11:31:05 +0200 | [diff] [blame] | 466 | if (r) |
| 467 | return r; |
| 468 | |
| 469 | return snprintf(buf, PAGE_SIZE, "%02x.%02x.%02x\n", id1, id2, id3); |
| 470 | } |
| 471 | |
| 472 | static const char *cabc_modes[] = { |
| 473 | "off", /* used also always when CABC is not supported */ |
| 474 | "ui", |
| 475 | "still-image", |
| 476 | "moving-image", |
| 477 | }; |
| 478 | |
| 479 | static ssize_t show_cabc_mode(struct device *dev, |
| 480 | struct device_attribute *attr, |
| 481 | char *buf) |
| 482 | { |
| 483 | struct omap_dss_device *dssdev = to_dss_device(dev); |
| 484 | struct taal_data *td = dev_get_drvdata(&dssdev->dev); |
| 485 | const char *mode_str; |
| 486 | int mode; |
| 487 | int len; |
| 488 | |
| 489 | mode = td->cabc_mode; |
| 490 | |
| 491 | mode_str = "unknown"; |
| 492 | if (mode >= 0 && mode < ARRAY_SIZE(cabc_modes)) |
| 493 | mode_str = cabc_modes[mode]; |
| 494 | len = snprintf(buf, PAGE_SIZE, "%s\n", mode_str); |
| 495 | |
| 496 | return len < PAGE_SIZE - 1 ? len : PAGE_SIZE - 1; |
| 497 | } |
| 498 | |
| 499 | static ssize_t store_cabc_mode(struct device *dev, |
| 500 | struct device_attribute *attr, |
| 501 | const char *buf, size_t count) |
| 502 | { |
| 503 | struct omap_dss_device *dssdev = to_dss_device(dev); |
| 504 | struct taal_data *td = dev_get_drvdata(&dssdev->dev); |
| 505 | int i; |
| 506 | |
| 507 | for (i = 0; i < ARRAY_SIZE(cabc_modes); i++) { |
| 508 | if (sysfs_streq(cabc_modes[i], buf)) |
| 509 | break; |
| 510 | } |
| 511 | |
| 512 | if (i == ARRAY_SIZE(cabc_modes)) |
| 513 | return -EINVAL; |
| 514 | |
Jani Nikula | 6b31671 | 2010-04-28 11:15:18 +0300 | [diff] [blame] | 515 | mutex_lock(&td->lock); |
| 516 | |
Tomi Valkeinen | f133a9d | 2009-10-28 11:31:05 +0200 | [diff] [blame] | 517 | if (td->enabled) { |
| 518 | dsi_bus_lock(); |
| 519 | if (!td->cabc_broken) |
| 520 | taal_dcs_write_1(DCS_WRITE_CABC, i); |
| 521 | dsi_bus_unlock(); |
| 522 | } |
| 523 | |
| 524 | td->cabc_mode = i; |
| 525 | |
Jani Nikula | 6b31671 | 2010-04-28 11:15:18 +0300 | [diff] [blame] | 526 | mutex_unlock(&td->lock); |
| 527 | |
Tomi Valkeinen | f133a9d | 2009-10-28 11:31:05 +0200 | [diff] [blame] | 528 | return count; |
| 529 | } |
| 530 | |
| 531 | static ssize_t show_cabc_available_modes(struct device *dev, |
| 532 | struct device_attribute *attr, |
| 533 | char *buf) |
| 534 | { |
| 535 | int len; |
| 536 | int i; |
| 537 | |
| 538 | for (i = 0, len = 0; |
| 539 | len < PAGE_SIZE && i < ARRAY_SIZE(cabc_modes); i++) |
| 540 | len += snprintf(&buf[len], PAGE_SIZE - len, "%s%s%s", |
| 541 | i ? " " : "", cabc_modes[i], |
| 542 | i == ARRAY_SIZE(cabc_modes) - 1 ? "\n" : ""); |
| 543 | |
| 544 | return len < PAGE_SIZE ? len : PAGE_SIZE - 1; |
| 545 | } |
| 546 | |
| 547 | static DEVICE_ATTR(num_dsi_errors, S_IRUGO, taal_num_errors_show, NULL); |
| 548 | static DEVICE_ATTR(hw_revision, S_IRUGO, taal_hw_revision_show, NULL); |
| 549 | static DEVICE_ATTR(cabc_mode, S_IRUGO | S_IWUSR, |
| 550 | show_cabc_mode, store_cabc_mode); |
| 551 | static DEVICE_ATTR(cabc_available_modes, S_IRUGO, |
| 552 | show_cabc_available_modes, NULL); |
| 553 | |
| 554 | static struct attribute *taal_attrs[] = { |
| 555 | &dev_attr_num_dsi_errors.attr, |
| 556 | &dev_attr_hw_revision.attr, |
| 557 | &dev_attr_cabc_mode.attr, |
| 558 | &dev_attr_cabc_available_modes.attr, |
| 559 | NULL, |
| 560 | }; |
| 561 | |
| 562 | static struct attribute_group taal_attr_group = { |
| 563 | .attrs = taal_attrs, |
| 564 | }; |
| 565 | |
Jani Nikula | 006db7b | 2010-04-09 12:25:59 +0300 | [diff] [blame] | 566 | static void taal_hw_reset(struct omap_dss_device *dssdev) |
| 567 | { |
Jani Nikula | e7f6c3f | 2010-04-15 12:55:38 +0300 | [diff] [blame^] | 568 | struct taal_data *td = dev_get_drvdata(&dssdev->dev); |
Tomi Valkeinen | 8d3573c | 2010-06-09 15:23:44 +0300 | [diff] [blame] | 569 | struct nokia_dsi_panel_data *panel_data = get_panel_data(dssdev); |
| 570 | |
| 571 | if (panel_data->reset_gpio == -1) |
Jani Nikula | 006db7b | 2010-04-09 12:25:59 +0300 | [diff] [blame] | 572 | return; |
| 573 | |
Tomi Valkeinen | 8d3573c | 2010-06-09 15:23:44 +0300 | [diff] [blame] | 574 | gpio_set_value(panel_data->reset_gpio, 1); |
Jani Nikula | e7f6c3f | 2010-04-15 12:55:38 +0300 | [diff] [blame^] | 575 | if (td->panel_config->reset_sequence.high) |
| 576 | udelay(td->panel_config->reset_sequence.high); |
Jani Nikula | 006db7b | 2010-04-09 12:25:59 +0300 | [diff] [blame] | 577 | /* reset the panel */ |
Tomi Valkeinen | 8d3573c | 2010-06-09 15:23:44 +0300 | [diff] [blame] | 578 | gpio_set_value(panel_data->reset_gpio, 0); |
Jani Nikula | e7f6c3f | 2010-04-15 12:55:38 +0300 | [diff] [blame^] | 579 | /* assert reset */ |
| 580 | if (td->panel_config->reset_sequence.low) |
| 581 | udelay(td->panel_config->reset_sequence.low); |
Tomi Valkeinen | 8d3573c | 2010-06-09 15:23:44 +0300 | [diff] [blame] | 582 | gpio_set_value(panel_data->reset_gpio, 1); |
Jani Nikula | e7f6c3f | 2010-04-15 12:55:38 +0300 | [diff] [blame^] | 583 | /* wait after releasing reset */ |
| 584 | if (td->panel_config->sleep.hw_reset) |
| 585 | msleep(td->panel_config->sleep.hw_reset); |
Jani Nikula | 006db7b | 2010-04-09 12:25:59 +0300 | [diff] [blame] | 586 | } |
| 587 | |
Tomi Valkeinen | f133a9d | 2009-10-28 11:31:05 +0200 | [diff] [blame] | 588 | static int taal_probe(struct omap_dss_device *dssdev) |
| 589 | { |
Matthew Garrett | a19a6ee | 2010-02-17 16:39:44 -0500 | [diff] [blame] | 590 | struct backlight_properties props; |
Tomi Valkeinen | f133a9d | 2009-10-28 11:31:05 +0200 | [diff] [blame] | 591 | struct taal_data *td; |
| 592 | struct backlight_device *bldev; |
Tomi Valkeinen | 8d3573c | 2010-06-09 15:23:44 +0300 | [diff] [blame] | 593 | struct nokia_dsi_panel_data *panel_data = get_panel_data(dssdev); |
Jani Nikula | e7f6c3f | 2010-04-15 12:55:38 +0300 | [diff] [blame^] | 594 | struct panel_config *panel_config = NULL; |
| 595 | int r, i; |
Tomi Valkeinen | f133a9d | 2009-10-28 11:31:05 +0200 | [diff] [blame] | 596 | |
| 597 | dev_dbg(&dssdev->dev, "probe\n"); |
| 598 | |
Tomi Valkeinen | 8d3573c | 2010-06-09 15:23:44 +0300 | [diff] [blame] | 599 | if (!panel_data || !panel_data->name) { |
| 600 | r = -EINVAL; |
| 601 | goto err; |
| 602 | } |
| 603 | |
Jani Nikula | e7f6c3f | 2010-04-15 12:55:38 +0300 | [diff] [blame^] | 604 | for (i = 0; i < ARRAY_SIZE(panel_configs); i++) { |
| 605 | if (strcmp(panel_data->name, panel_configs[i].name) == 0) { |
| 606 | panel_config = &panel_configs[i]; |
| 607 | break; |
| 608 | } |
| 609 | } |
| 610 | |
| 611 | if (!panel_config) { |
| 612 | r = -EINVAL; |
| 613 | goto err; |
| 614 | } |
| 615 | |
Tomi Valkeinen | f133a9d | 2009-10-28 11:31:05 +0200 | [diff] [blame] | 616 | dssdev->panel.config = OMAP_DSS_LCD_TFT; |
Jani Nikula | e7f6c3f | 2010-04-15 12:55:38 +0300 | [diff] [blame^] | 617 | dssdev->panel.timings = panel_config->timings; |
Tomi Valkeinen | f133a9d | 2009-10-28 11:31:05 +0200 | [diff] [blame] | 618 | dssdev->ctrl.pixel_size = 24; |
| 619 | |
| 620 | td = kzalloc(sizeof(*td), GFP_KERNEL); |
| 621 | if (!td) { |
| 622 | r = -ENOMEM; |
Jani Nikula | d2b6578 | 2010-04-15 12:24:36 +0300 | [diff] [blame] | 623 | goto err; |
Tomi Valkeinen | f133a9d | 2009-10-28 11:31:05 +0200 | [diff] [blame] | 624 | } |
| 625 | td->dssdev = dssdev; |
Jani Nikula | e7f6c3f | 2010-04-15 12:55:38 +0300 | [diff] [blame^] | 626 | td->panel_config = panel_config; |
Tomi Valkeinen | f133a9d | 2009-10-28 11:31:05 +0200 | [diff] [blame] | 627 | |
Tomi Valkeinen | a3201a0 | 2010-03-03 14:31:45 +0200 | [diff] [blame] | 628 | mutex_init(&td->lock); |
| 629 | |
Jani Nikula | 7ae2fb1 | 2010-04-13 10:57:52 +0300 | [diff] [blame] | 630 | atomic_set(&td->do_update, 0); |
| 631 | |
Tomi Valkeinen | f133a9d | 2009-10-28 11:31:05 +0200 | [diff] [blame] | 632 | td->esd_wq = create_singlethread_workqueue("taal_esd"); |
| 633 | if (td->esd_wq == NULL) { |
| 634 | dev_err(&dssdev->dev, "can't create ESD workqueue\n"); |
| 635 | r = -ENOMEM; |
Jani Nikula | d2b6578 | 2010-04-15 12:24:36 +0300 | [diff] [blame] | 636 | goto err_wq; |
Tomi Valkeinen | f133a9d | 2009-10-28 11:31:05 +0200 | [diff] [blame] | 637 | } |
| 638 | INIT_DELAYED_WORK_DEFERRABLE(&td->esd_work, taal_esd_work); |
| 639 | |
| 640 | dev_set_drvdata(&dssdev->dev, td); |
| 641 | |
Jani Nikula | 006db7b | 2010-04-09 12:25:59 +0300 | [diff] [blame] | 642 | taal_hw_reset(dssdev); |
| 643 | |
Tomi Valkeinen | f133a9d | 2009-10-28 11:31:05 +0200 | [diff] [blame] | 644 | /* if no platform set_backlight() defined, presume DSI backlight |
| 645 | * control */ |
Matthew Garrett | a19a6ee | 2010-02-17 16:39:44 -0500 | [diff] [blame] | 646 | memset(&props, 0, sizeof(struct backlight_properties)); |
Tomi Valkeinen | 8d3573c | 2010-06-09 15:23:44 +0300 | [diff] [blame] | 647 | if (!panel_data->set_backlight) |
Tomi Valkeinen | f133a9d | 2009-10-28 11:31:05 +0200 | [diff] [blame] | 648 | td->use_dsi_bl = true; |
| 649 | |
Matthew Garrett | a19a6ee | 2010-02-17 16:39:44 -0500 | [diff] [blame] | 650 | if (td->use_dsi_bl) |
| 651 | props.max_brightness = 255; |
| 652 | else |
| 653 | props.max_brightness = 127; |
Tomi Valkeinen | f133a9d | 2009-10-28 11:31:05 +0200 | [diff] [blame] | 654 | bldev = backlight_device_register("taal", &dssdev->dev, dssdev, |
Matthew Garrett | a19a6ee | 2010-02-17 16:39:44 -0500 | [diff] [blame] | 655 | &taal_bl_ops, &props); |
Tomi Valkeinen | f133a9d | 2009-10-28 11:31:05 +0200 | [diff] [blame] | 656 | if (IS_ERR(bldev)) { |
| 657 | r = PTR_ERR(bldev); |
Jani Nikula | d2b6578 | 2010-04-15 12:24:36 +0300 | [diff] [blame] | 658 | goto err_bl; |
Tomi Valkeinen | f133a9d | 2009-10-28 11:31:05 +0200 | [diff] [blame] | 659 | } |
| 660 | |
| 661 | td->bldev = bldev; |
| 662 | |
| 663 | bldev->props.fb_blank = FB_BLANK_UNBLANK; |
| 664 | bldev->props.power = FB_BLANK_UNBLANK; |
Matthew Garrett | a19a6ee | 2010-02-17 16:39:44 -0500 | [diff] [blame] | 665 | if (td->use_dsi_bl) |
Tomi Valkeinen | f133a9d | 2009-10-28 11:31:05 +0200 | [diff] [blame] | 666 | bldev->props.brightness = 255; |
Matthew Garrett | a19a6ee | 2010-02-17 16:39:44 -0500 | [diff] [blame] | 667 | else |
Tomi Valkeinen | f133a9d | 2009-10-28 11:31:05 +0200 | [diff] [blame] | 668 | bldev->props.brightness = 127; |
Tomi Valkeinen | f133a9d | 2009-10-28 11:31:05 +0200 | [diff] [blame] | 669 | |
| 670 | taal_bl_update_status(bldev); |
| 671 | |
Tomi Valkeinen | 8d3573c | 2010-06-09 15:23:44 +0300 | [diff] [blame] | 672 | if (panel_data->use_ext_te) { |
| 673 | int gpio = panel_data->ext_te_gpio; |
Tomi Valkeinen | f133a9d | 2009-10-28 11:31:05 +0200 | [diff] [blame] | 674 | |
| 675 | r = gpio_request(gpio, "taal irq"); |
| 676 | if (r) { |
| 677 | dev_err(&dssdev->dev, "GPIO request failed\n"); |
Jani Nikula | d2b6578 | 2010-04-15 12:24:36 +0300 | [diff] [blame] | 678 | goto err_gpio; |
Tomi Valkeinen | f133a9d | 2009-10-28 11:31:05 +0200 | [diff] [blame] | 679 | } |
| 680 | |
| 681 | gpio_direction_input(gpio); |
| 682 | |
| 683 | r = request_irq(gpio_to_irq(gpio), taal_te_isr, |
| 684 | IRQF_DISABLED | IRQF_TRIGGER_RISING, |
| 685 | "taal vsync", dssdev); |
| 686 | |
| 687 | if (r) { |
| 688 | dev_err(&dssdev->dev, "IRQ request failed\n"); |
| 689 | gpio_free(gpio); |
Jani Nikula | d2b6578 | 2010-04-15 12:24:36 +0300 | [diff] [blame] | 690 | goto err_irq; |
Tomi Valkeinen | f133a9d | 2009-10-28 11:31:05 +0200 | [diff] [blame] | 691 | } |
| 692 | |
Jani Nikula | 7ae2fb1 | 2010-04-13 10:57:52 +0300 | [diff] [blame] | 693 | INIT_DELAYED_WORK_DEFERRABLE(&td->te_timeout_work, |
| 694 | taal_te_timeout_work_callback); |
Tomi Valkeinen | f133a9d | 2009-10-28 11:31:05 +0200 | [diff] [blame] | 695 | |
Jani Nikula | 7ae2fb1 | 2010-04-13 10:57:52 +0300 | [diff] [blame] | 696 | dev_dbg(&dssdev->dev, "Using GPIO TE\n"); |
Tomi Valkeinen | f133a9d | 2009-10-28 11:31:05 +0200 | [diff] [blame] | 697 | } |
| 698 | |
| 699 | r = sysfs_create_group(&dssdev->dev.kobj, &taal_attr_group); |
| 700 | if (r) { |
| 701 | dev_err(&dssdev->dev, "failed to create sysfs files\n"); |
Jani Nikula | d2b6578 | 2010-04-15 12:24:36 +0300 | [diff] [blame] | 702 | goto err_sysfs; |
Tomi Valkeinen | f133a9d | 2009-10-28 11:31:05 +0200 | [diff] [blame] | 703 | } |
| 704 | |
| 705 | return 0; |
Jani Nikula | d2b6578 | 2010-04-15 12:24:36 +0300 | [diff] [blame] | 706 | err_sysfs: |
Tomi Valkeinen | 8d3573c | 2010-06-09 15:23:44 +0300 | [diff] [blame] | 707 | if (panel_data->use_ext_te) |
| 708 | free_irq(gpio_to_irq(panel_data->ext_te_gpio), dssdev); |
Jani Nikula | d2b6578 | 2010-04-15 12:24:36 +0300 | [diff] [blame] | 709 | err_irq: |
Tomi Valkeinen | 8d3573c | 2010-06-09 15:23:44 +0300 | [diff] [blame] | 710 | if (panel_data->use_ext_te) |
| 711 | gpio_free(panel_data->ext_te_gpio); |
Jani Nikula | d2b6578 | 2010-04-15 12:24:36 +0300 | [diff] [blame] | 712 | err_gpio: |
Tomi Valkeinen | f133a9d | 2009-10-28 11:31:05 +0200 | [diff] [blame] | 713 | backlight_device_unregister(bldev); |
Jani Nikula | d2b6578 | 2010-04-15 12:24:36 +0300 | [diff] [blame] | 714 | err_bl: |
Tomi Valkeinen | f133a9d | 2009-10-28 11:31:05 +0200 | [diff] [blame] | 715 | destroy_workqueue(td->esd_wq); |
Jani Nikula | d2b6578 | 2010-04-15 12:24:36 +0300 | [diff] [blame] | 716 | err_wq: |
Tomi Valkeinen | f133a9d | 2009-10-28 11:31:05 +0200 | [diff] [blame] | 717 | kfree(td); |
Jani Nikula | d2b6578 | 2010-04-15 12:24:36 +0300 | [diff] [blame] | 718 | err: |
Tomi Valkeinen | f133a9d | 2009-10-28 11:31:05 +0200 | [diff] [blame] | 719 | return r; |
| 720 | } |
| 721 | |
| 722 | static void taal_remove(struct omap_dss_device *dssdev) |
| 723 | { |
| 724 | struct taal_data *td = dev_get_drvdata(&dssdev->dev); |
Tomi Valkeinen | 8d3573c | 2010-06-09 15:23:44 +0300 | [diff] [blame] | 725 | struct nokia_dsi_panel_data *panel_data = get_panel_data(dssdev); |
Tomi Valkeinen | f133a9d | 2009-10-28 11:31:05 +0200 | [diff] [blame] | 726 | struct backlight_device *bldev; |
| 727 | |
| 728 | dev_dbg(&dssdev->dev, "remove\n"); |
| 729 | |
| 730 | sysfs_remove_group(&dssdev->dev.kobj, &taal_attr_group); |
| 731 | |
Tomi Valkeinen | 8d3573c | 2010-06-09 15:23:44 +0300 | [diff] [blame] | 732 | if (panel_data->use_ext_te) { |
| 733 | int gpio = panel_data->ext_te_gpio; |
Tomi Valkeinen | f133a9d | 2009-10-28 11:31:05 +0200 | [diff] [blame] | 734 | free_irq(gpio_to_irq(gpio), dssdev); |
| 735 | gpio_free(gpio); |
| 736 | } |
| 737 | |
| 738 | bldev = td->bldev; |
| 739 | bldev->props.power = FB_BLANK_POWERDOWN; |
| 740 | taal_bl_update_status(bldev); |
| 741 | backlight_device_unregister(bldev); |
| 742 | |
Jani Nikula | 4571a02 | 2010-04-12 10:23:46 +0300 | [diff] [blame] | 743 | cancel_delayed_work(&td->esd_work); |
Tomi Valkeinen | f133a9d | 2009-10-28 11:31:05 +0200 | [diff] [blame] | 744 | destroy_workqueue(td->esd_wq); |
| 745 | |
Jani Nikula | 006db7b | 2010-04-09 12:25:59 +0300 | [diff] [blame] | 746 | /* reset, to be sure that the panel is in a valid state */ |
| 747 | taal_hw_reset(dssdev); |
| 748 | |
Tomi Valkeinen | f133a9d | 2009-10-28 11:31:05 +0200 | [diff] [blame] | 749 | kfree(td); |
| 750 | } |
| 751 | |
Tomi Valkeinen | 37ac60e | 2010-01-12 15:12:07 +0200 | [diff] [blame] | 752 | static int taal_power_on(struct omap_dss_device *dssdev) |
Tomi Valkeinen | f133a9d | 2009-10-28 11:31:05 +0200 | [diff] [blame] | 753 | { |
| 754 | struct taal_data *td = dev_get_drvdata(&dssdev->dev); |
| 755 | u8 id1, id2, id3; |
| 756 | int r; |
| 757 | |
Tomi Valkeinen | 37ac60e | 2010-01-12 15:12:07 +0200 | [diff] [blame] | 758 | r = omapdss_dsi_display_enable(dssdev); |
| 759 | if (r) { |
| 760 | dev_err(&dssdev->dev, "failed to enable DSI\n"); |
| 761 | goto err0; |
| 762 | } |
| 763 | |
Jani Nikula | 006db7b | 2010-04-09 12:25:59 +0300 | [diff] [blame] | 764 | taal_hw_reset(dssdev); |
| 765 | |
Tomi Valkeinen | 37ac60e | 2010-01-12 15:12:07 +0200 | [diff] [blame] | 766 | omapdss_dsi_vc_enable_hs(TCH, false); |
| 767 | |
Tomi Valkeinen | f133a9d | 2009-10-28 11:31:05 +0200 | [diff] [blame] | 768 | r = taal_sleep_out(td); |
| 769 | if (r) |
| 770 | goto err; |
| 771 | |
| 772 | r = taal_get_id(&id1, &id2, &id3); |
| 773 | if (r) |
| 774 | goto err; |
| 775 | |
| 776 | /* on early revisions CABC is broken */ |
| 777 | if (id2 == 0x00 || id2 == 0xff || id2 == 0x81) |
| 778 | td->cabc_broken = true; |
| 779 | |
Jani Nikula | f2a8b75 | 2010-04-09 14:15:12 +0300 | [diff] [blame] | 780 | r = taal_dcs_write_1(DCS_BRIGHTNESS, 0xff); |
| 781 | if (r) |
| 782 | goto err; |
Tomi Valkeinen | f133a9d | 2009-10-28 11:31:05 +0200 | [diff] [blame] | 783 | |
Jani Nikula | f2a8b75 | 2010-04-09 14:15:12 +0300 | [diff] [blame] | 784 | r = taal_dcs_write_1(DCS_CTRL_DISPLAY, |
| 785 | (1<<2) | (1<<5)); /* BL | BCTRL */ |
| 786 | if (r) |
| 787 | goto err; |
Tomi Valkeinen | f133a9d | 2009-10-28 11:31:05 +0200 | [diff] [blame] | 788 | |
Jani Nikula | f2a8b75 | 2010-04-09 14:15:12 +0300 | [diff] [blame] | 789 | r = taal_dcs_write_1(DCS_PIXEL_FORMAT, 0x7); /* 24bit/pixel */ |
| 790 | if (r) |
| 791 | goto err; |
Tomi Valkeinen | f133a9d | 2009-10-28 11:31:05 +0200 | [diff] [blame] | 792 | |
Jani Nikula | f2a8b75 | 2010-04-09 14:15:12 +0300 | [diff] [blame] | 793 | r = taal_set_addr_mode(td->rotate, td->mirror); |
| 794 | if (r) |
| 795 | goto err; |
| 796 | |
| 797 | if (!td->cabc_broken) { |
| 798 | r = taal_dcs_write_1(DCS_WRITE_CABC, td->cabc_mode); |
| 799 | if (r) |
| 800 | goto err; |
| 801 | } |
| 802 | |
| 803 | r = taal_dcs_write_0(DCS_DISPLAY_ON); |
| 804 | if (r) |
| 805 | goto err; |
Tomi Valkeinen | f133a9d | 2009-10-28 11:31:05 +0200 | [diff] [blame] | 806 | |
Tomi Valkeinen | 21df20f | 2010-03-02 12:13:55 +0200 | [diff] [blame] | 807 | r = _taal_enable_te(dssdev, td->te_enabled); |
| 808 | if (r) |
| 809 | goto err; |
| 810 | |
Tomi Valkeinen | f133a9d | 2009-10-28 11:31:05 +0200 | [diff] [blame] | 811 | td->enabled = 1; |
| 812 | |
| 813 | if (!td->intro_printed) { |
| 814 | dev_info(&dssdev->dev, "revision %02x.%02x.%02x\n", |
| 815 | id1, id2, id3); |
| 816 | if (td->cabc_broken) |
| 817 | dev_info(&dssdev->dev, |
| 818 | "old Taal version, CABC disabled\n"); |
| 819 | td->intro_printed = true; |
| 820 | } |
| 821 | |
Tomi Valkeinen | 37ac60e | 2010-01-12 15:12:07 +0200 | [diff] [blame] | 822 | omapdss_dsi_vc_enable_hs(TCH, true); |
| 823 | |
Tomi Valkeinen | f133a9d | 2009-10-28 11:31:05 +0200 | [diff] [blame] | 824 | return 0; |
| 825 | err: |
Jani Nikula | 006db7b | 2010-04-09 12:25:59 +0300 | [diff] [blame] | 826 | dev_err(&dssdev->dev, "error while enabling panel, issuing HW reset\n"); |
| 827 | |
| 828 | taal_hw_reset(dssdev); |
| 829 | |
Tomi Valkeinen | 37ac60e | 2010-01-12 15:12:07 +0200 | [diff] [blame] | 830 | omapdss_dsi_display_disable(dssdev); |
| 831 | err0: |
Tomi Valkeinen | f133a9d | 2009-10-28 11:31:05 +0200 | [diff] [blame] | 832 | return r; |
| 833 | } |
| 834 | |
Tomi Valkeinen | 37ac60e | 2010-01-12 15:12:07 +0200 | [diff] [blame] | 835 | static void taal_power_off(struct omap_dss_device *dssdev) |
Tomi Valkeinen | f133a9d | 2009-10-28 11:31:05 +0200 | [diff] [blame] | 836 | { |
| 837 | struct taal_data *td = dev_get_drvdata(&dssdev->dev); |
Jani Nikula | 006db7b | 2010-04-09 12:25:59 +0300 | [diff] [blame] | 838 | int r; |
Tomi Valkeinen | f133a9d | 2009-10-28 11:31:05 +0200 | [diff] [blame] | 839 | |
Jani Nikula | 006db7b | 2010-04-09 12:25:59 +0300 | [diff] [blame] | 840 | r = taal_dcs_write_0(DCS_DISPLAY_OFF); |
| 841 | if (!r) { |
| 842 | r = taal_sleep_in(td); |
Jani Nikula | e7f6c3f | 2010-04-15 12:55:38 +0300 | [diff] [blame^] | 843 | /* HACK: wait a bit so that the message goes through */ |
Jani Nikula | 006db7b | 2010-04-09 12:25:59 +0300 | [diff] [blame] | 844 | msleep(10); |
| 845 | } |
Tomi Valkeinen | f133a9d | 2009-10-28 11:31:05 +0200 | [diff] [blame] | 846 | |
Jani Nikula | 006db7b | 2010-04-09 12:25:59 +0300 | [diff] [blame] | 847 | if (r) { |
| 848 | dev_err(&dssdev->dev, |
| 849 | "error disabling panel, issuing HW reset\n"); |
| 850 | taal_hw_reset(dssdev); |
| 851 | } |
Tomi Valkeinen | f133a9d | 2009-10-28 11:31:05 +0200 | [diff] [blame] | 852 | |
Tomi Valkeinen | 37ac60e | 2010-01-12 15:12:07 +0200 | [diff] [blame] | 853 | omapdss_dsi_display_disable(dssdev); |
| 854 | |
Tomi Valkeinen | f133a9d | 2009-10-28 11:31:05 +0200 | [diff] [blame] | 855 | td->enabled = 0; |
Tomi Valkeinen | 37ac60e | 2010-01-12 15:12:07 +0200 | [diff] [blame] | 856 | } |
| 857 | |
| 858 | static int taal_enable(struct omap_dss_device *dssdev) |
| 859 | { |
Tomi Valkeinen | a3201a0 | 2010-03-03 14:31:45 +0200 | [diff] [blame] | 860 | struct taal_data *td = dev_get_drvdata(&dssdev->dev); |
Jani Nikula | 448dfe9 | 2010-04-15 12:42:16 +0300 | [diff] [blame] | 861 | struct nokia_dsi_panel_data *panel_data = get_panel_data(dssdev); |
Tomi Valkeinen | 37ac60e | 2010-01-12 15:12:07 +0200 | [diff] [blame] | 862 | int r; |
Tomi Valkeinen | a3201a0 | 2010-03-03 14:31:45 +0200 | [diff] [blame] | 863 | |
Tomi Valkeinen | 37ac60e | 2010-01-12 15:12:07 +0200 | [diff] [blame] | 864 | dev_dbg(&dssdev->dev, "enable\n"); |
| 865 | |
Tomi Valkeinen | a3201a0 | 2010-03-03 14:31:45 +0200 | [diff] [blame] | 866 | mutex_lock(&td->lock); |
| 867 | |
| 868 | if (dssdev->state != OMAP_DSS_DISPLAY_DISABLED) { |
| 869 | r = -EINVAL; |
| 870 | goto err; |
| 871 | } |
Tomi Valkeinen | 37ac60e | 2010-01-12 15:12:07 +0200 | [diff] [blame] | 872 | |
Jani Nikula | 2c2fc15 | 2010-04-12 10:06:14 +0300 | [diff] [blame] | 873 | dsi_bus_lock(); |
| 874 | |
Tomi Valkeinen | 37ac60e | 2010-01-12 15:12:07 +0200 | [diff] [blame] | 875 | r = taal_power_on(dssdev); |
Jani Nikula | 2c2fc15 | 2010-04-12 10:06:14 +0300 | [diff] [blame] | 876 | |
| 877 | dsi_bus_unlock(); |
| 878 | |
Tomi Valkeinen | 37ac60e | 2010-01-12 15:12:07 +0200 | [diff] [blame] | 879 | if (r) |
Tomi Valkeinen | a3201a0 | 2010-03-03 14:31:45 +0200 | [diff] [blame] | 880 | goto err; |
Tomi Valkeinen | 37ac60e | 2010-01-12 15:12:07 +0200 | [diff] [blame] | 881 | |
Jani Nikula | 448dfe9 | 2010-04-15 12:42:16 +0300 | [diff] [blame] | 882 | if (panel_data->use_esd_check) |
| 883 | queue_delayed_work(td->esd_wq, &td->esd_work, |
| 884 | TAAL_ESD_CHECK_PERIOD); |
Jani Nikula | 4571a02 | 2010-04-12 10:23:46 +0300 | [diff] [blame] | 885 | |
Tomi Valkeinen | 37ac60e | 2010-01-12 15:12:07 +0200 | [diff] [blame] | 886 | dssdev->state = OMAP_DSS_DISPLAY_ACTIVE; |
| 887 | |
Tomi Valkeinen | a3201a0 | 2010-03-03 14:31:45 +0200 | [diff] [blame] | 888 | mutex_unlock(&td->lock); |
| 889 | |
| 890 | return 0; |
| 891 | err: |
| 892 | dev_dbg(&dssdev->dev, "enable failed\n"); |
| 893 | mutex_unlock(&td->lock); |
Tomi Valkeinen | 37ac60e | 2010-01-12 15:12:07 +0200 | [diff] [blame] | 894 | return r; |
| 895 | } |
| 896 | |
| 897 | static void taal_disable(struct omap_dss_device *dssdev) |
| 898 | { |
Tomi Valkeinen | a3201a0 | 2010-03-03 14:31:45 +0200 | [diff] [blame] | 899 | struct taal_data *td = dev_get_drvdata(&dssdev->dev); |
| 900 | |
Tomi Valkeinen | 37ac60e | 2010-01-12 15:12:07 +0200 | [diff] [blame] | 901 | dev_dbg(&dssdev->dev, "disable\n"); |
| 902 | |
Tomi Valkeinen | a3201a0 | 2010-03-03 14:31:45 +0200 | [diff] [blame] | 903 | mutex_lock(&td->lock); |
| 904 | |
Jani Nikula | 4571a02 | 2010-04-12 10:23:46 +0300 | [diff] [blame] | 905 | cancel_delayed_work(&td->esd_work); |
| 906 | |
Jani Nikula | 2c2fc15 | 2010-04-12 10:06:14 +0300 | [diff] [blame] | 907 | dsi_bus_lock(); |
| 908 | |
Tomi Valkeinen | 37ac60e | 2010-01-12 15:12:07 +0200 | [diff] [blame] | 909 | if (dssdev->state == OMAP_DSS_DISPLAY_ACTIVE) |
| 910 | taal_power_off(dssdev); |
| 911 | |
Jani Nikula | 2c2fc15 | 2010-04-12 10:06:14 +0300 | [diff] [blame] | 912 | dsi_bus_unlock(); |
| 913 | |
Tomi Valkeinen | 37ac60e | 2010-01-12 15:12:07 +0200 | [diff] [blame] | 914 | dssdev->state = OMAP_DSS_DISPLAY_DISABLED; |
Tomi Valkeinen | a3201a0 | 2010-03-03 14:31:45 +0200 | [diff] [blame] | 915 | |
| 916 | mutex_unlock(&td->lock); |
Tomi Valkeinen | f133a9d | 2009-10-28 11:31:05 +0200 | [diff] [blame] | 917 | } |
| 918 | |
| 919 | static int taal_suspend(struct omap_dss_device *dssdev) |
| 920 | { |
Tomi Valkeinen | a3201a0 | 2010-03-03 14:31:45 +0200 | [diff] [blame] | 921 | struct taal_data *td = dev_get_drvdata(&dssdev->dev); |
| 922 | int r; |
| 923 | |
Tomi Valkeinen | 37ac60e | 2010-01-12 15:12:07 +0200 | [diff] [blame] | 924 | dev_dbg(&dssdev->dev, "suspend\n"); |
Tomi Valkeinen | f133a9d | 2009-10-28 11:31:05 +0200 | [diff] [blame] | 925 | |
Tomi Valkeinen | a3201a0 | 2010-03-03 14:31:45 +0200 | [diff] [blame] | 926 | mutex_lock(&td->lock); |
| 927 | |
| 928 | if (dssdev->state != OMAP_DSS_DISPLAY_ACTIVE) { |
| 929 | r = -EINVAL; |
| 930 | goto err; |
| 931 | } |
Tomi Valkeinen | 37ac60e | 2010-01-12 15:12:07 +0200 | [diff] [blame] | 932 | |
Jani Nikula | 4571a02 | 2010-04-12 10:23:46 +0300 | [diff] [blame] | 933 | cancel_delayed_work(&td->esd_work); |
| 934 | |
Jani Nikula | 2c2fc15 | 2010-04-12 10:06:14 +0300 | [diff] [blame] | 935 | dsi_bus_lock(); |
| 936 | |
Tomi Valkeinen | 37ac60e | 2010-01-12 15:12:07 +0200 | [diff] [blame] | 937 | taal_power_off(dssdev); |
Jani Nikula | 2c2fc15 | 2010-04-12 10:06:14 +0300 | [diff] [blame] | 938 | |
| 939 | dsi_bus_unlock(); |
| 940 | |
Tomi Valkeinen | 37ac60e | 2010-01-12 15:12:07 +0200 | [diff] [blame] | 941 | dssdev->state = OMAP_DSS_DISPLAY_SUSPENDED; |
Tomi Valkeinen | f133a9d | 2009-10-28 11:31:05 +0200 | [diff] [blame] | 942 | |
Tomi Valkeinen | a3201a0 | 2010-03-03 14:31:45 +0200 | [diff] [blame] | 943 | mutex_unlock(&td->lock); |
| 944 | |
Tomi Valkeinen | f133a9d | 2009-10-28 11:31:05 +0200 | [diff] [blame] | 945 | return 0; |
Tomi Valkeinen | a3201a0 | 2010-03-03 14:31:45 +0200 | [diff] [blame] | 946 | err: |
| 947 | mutex_unlock(&td->lock); |
| 948 | return r; |
Tomi Valkeinen | f133a9d | 2009-10-28 11:31:05 +0200 | [diff] [blame] | 949 | } |
| 950 | |
| 951 | static int taal_resume(struct omap_dss_device *dssdev) |
| 952 | { |
Tomi Valkeinen | a3201a0 | 2010-03-03 14:31:45 +0200 | [diff] [blame] | 953 | struct taal_data *td = dev_get_drvdata(&dssdev->dev); |
Jani Nikula | 448dfe9 | 2010-04-15 12:42:16 +0300 | [diff] [blame] | 954 | struct nokia_dsi_panel_data *panel_data = get_panel_data(dssdev); |
Tomi Valkeinen | 37ac60e | 2010-01-12 15:12:07 +0200 | [diff] [blame] | 955 | int r; |
Tomi Valkeinen | a3201a0 | 2010-03-03 14:31:45 +0200 | [diff] [blame] | 956 | |
Tomi Valkeinen | 37ac60e | 2010-01-12 15:12:07 +0200 | [diff] [blame] | 957 | dev_dbg(&dssdev->dev, "resume\n"); |
Tomi Valkeinen | f133a9d | 2009-10-28 11:31:05 +0200 | [diff] [blame] | 958 | |
Tomi Valkeinen | a3201a0 | 2010-03-03 14:31:45 +0200 | [diff] [blame] | 959 | mutex_lock(&td->lock); |
| 960 | |
| 961 | if (dssdev->state != OMAP_DSS_DISPLAY_SUSPENDED) { |
| 962 | r = -EINVAL; |
| 963 | goto err; |
| 964 | } |
Tomi Valkeinen | f133a9d | 2009-10-28 11:31:05 +0200 | [diff] [blame] | 965 | |
Jani Nikula | 2c2fc15 | 2010-04-12 10:06:14 +0300 | [diff] [blame] | 966 | dsi_bus_lock(); |
| 967 | |
Tomi Valkeinen | 37ac60e | 2010-01-12 15:12:07 +0200 | [diff] [blame] | 968 | r = taal_power_on(dssdev); |
Jani Nikula | 2c2fc15 | 2010-04-12 10:06:14 +0300 | [diff] [blame] | 969 | |
| 970 | dsi_bus_unlock(); |
| 971 | |
Jani Nikula | 4571a02 | 2010-04-12 10:23:46 +0300 | [diff] [blame] | 972 | if (r) { |
Jani Nikula | fed44b7 | 2010-04-12 10:25:21 +0300 | [diff] [blame] | 973 | dssdev->state = OMAP_DSS_DISPLAY_DISABLED; |
Jani Nikula | 4571a02 | 2010-04-12 10:23:46 +0300 | [diff] [blame] | 974 | } else { |
Jani Nikula | fed44b7 | 2010-04-12 10:25:21 +0300 | [diff] [blame] | 975 | dssdev->state = OMAP_DSS_DISPLAY_ACTIVE; |
Jani Nikula | 448dfe9 | 2010-04-15 12:42:16 +0300 | [diff] [blame] | 976 | if (panel_data->use_esd_check) |
| 977 | queue_delayed_work(td->esd_wq, &td->esd_work, |
| 978 | TAAL_ESD_CHECK_PERIOD); |
Jani Nikula | 4571a02 | 2010-04-12 10:23:46 +0300 | [diff] [blame] | 979 | } |
Tomi Valkeinen | a3201a0 | 2010-03-03 14:31:45 +0200 | [diff] [blame] | 980 | |
| 981 | mutex_unlock(&td->lock); |
| 982 | |
| 983 | return r; |
| 984 | err: |
| 985 | mutex_unlock(&td->lock); |
Tomi Valkeinen | 37ac60e | 2010-01-12 15:12:07 +0200 | [diff] [blame] | 986 | return r; |
Tomi Valkeinen | f133a9d | 2009-10-28 11:31:05 +0200 | [diff] [blame] | 987 | } |
| 988 | |
Tomi Valkeinen | 18946f6 | 2010-01-12 14:16:41 +0200 | [diff] [blame] | 989 | static void taal_framedone_cb(int err, void *data) |
| 990 | { |
| 991 | struct omap_dss_device *dssdev = data; |
| 992 | dev_dbg(&dssdev->dev, "framedone, err %d\n", err); |
| 993 | dsi_bus_unlock(); |
| 994 | } |
| 995 | |
Jani Nikula | 7ae2fb1 | 2010-04-13 10:57:52 +0300 | [diff] [blame] | 996 | static irqreturn_t taal_te_isr(int irq, void *data) |
| 997 | { |
| 998 | struct omap_dss_device *dssdev = data; |
| 999 | struct taal_data *td = dev_get_drvdata(&dssdev->dev); |
| 1000 | int old; |
| 1001 | int r; |
| 1002 | |
| 1003 | old = atomic_cmpxchg(&td->do_update, 1, 0); |
| 1004 | |
| 1005 | if (old) { |
| 1006 | cancel_delayed_work(&td->te_timeout_work); |
| 1007 | |
| 1008 | r = omap_dsi_update(dssdev, TCH, |
| 1009 | td->update_region.x, |
| 1010 | td->update_region.y, |
| 1011 | td->update_region.w, |
| 1012 | td->update_region.h, |
| 1013 | taal_framedone_cb, dssdev); |
| 1014 | if (r) |
| 1015 | goto err; |
| 1016 | } |
| 1017 | |
| 1018 | return IRQ_HANDLED; |
| 1019 | err: |
| 1020 | dev_err(&dssdev->dev, "start update failed\n"); |
| 1021 | dsi_bus_unlock(); |
| 1022 | return IRQ_HANDLED; |
| 1023 | } |
| 1024 | |
| 1025 | static void taal_te_timeout_work_callback(struct work_struct *work) |
| 1026 | { |
| 1027 | struct taal_data *td = container_of(work, struct taal_data, |
| 1028 | te_timeout_work.work); |
| 1029 | struct omap_dss_device *dssdev = td->dssdev; |
| 1030 | |
| 1031 | dev_err(&dssdev->dev, "TE not received for 250ms!\n"); |
| 1032 | |
| 1033 | atomic_set(&td->do_update, 0); |
| 1034 | dsi_bus_unlock(); |
| 1035 | } |
| 1036 | |
Tomi Valkeinen | 18946f6 | 2010-01-12 14:16:41 +0200 | [diff] [blame] | 1037 | static int taal_update(struct omap_dss_device *dssdev, |
Tomi Valkeinen | f133a9d | 2009-10-28 11:31:05 +0200 | [diff] [blame] | 1038 | u16 x, u16 y, u16 w, u16 h) |
| 1039 | { |
Tomi Valkeinen | 18946f6 | 2010-01-12 14:16:41 +0200 | [diff] [blame] | 1040 | struct taal_data *td = dev_get_drvdata(&dssdev->dev); |
Tomi Valkeinen | 8d3573c | 2010-06-09 15:23:44 +0300 | [diff] [blame] | 1041 | struct nokia_dsi_panel_data *panel_data = get_panel_data(dssdev); |
Tomi Valkeinen | 18946f6 | 2010-01-12 14:16:41 +0200 | [diff] [blame] | 1042 | int r; |
| 1043 | |
| 1044 | dev_dbg(&dssdev->dev, "update %d, %d, %d x %d\n", x, y, w, h); |
| 1045 | |
Tomi Valkeinen | a3201a0 | 2010-03-03 14:31:45 +0200 | [diff] [blame] | 1046 | mutex_lock(&td->lock); |
Tomi Valkeinen | 18946f6 | 2010-01-12 14:16:41 +0200 | [diff] [blame] | 1047 | dsi_bus_lock(); |
| 1048 | |
| 1049 | if (!td->enabled) { |
| 1050 | r = 0; |
| 1051 | goto err; |
| 1052 | } |
| 1053 | |
| 1054 | r = omap_dsi_prepare_update(dssdev, &x, &y, &w, &h); |
| 1055 | if (r) |
| 1056 | goto err; |
| 1057 | |
| 1058 | r = taal_set_update_window(x, y, w, h); |
| 1059 | if (r) |
| 1060 | goto err; |
| 1061 | |
Tomi Valkeinen | 8d3573c | 2010-06-09 15:23:44 +0300 | [diff] [blame] | 1062 | if (td->te_enabled && panel_data->use_ext_te) { |
Jani Nikula | 7ae2fb1 | 2010-04-13 10:57:52 +0300 | [diff] [blame] | 1063 | td->update_region.x = x; |
| 1064 | td->update_region.y = y; |
| 1065 | td->update_region.w = w; |
| 1066 | td->update_region.h = h; |
| 1067 | barrier(); |
| 1068 | schedule_delayed_work(&td->te_timeout_work, |
| 1069 | msecs_to_jiffies(250)); |
| 1070 | atomic_set(&td->do_update, 1); |
| 1071 | } else { |
| 1072 | r = omap_dsi_update(dssdev, TCH, x, y, w, h, |
| 1073 | taal_framedone_cb, dssdev); |
| 1074 | if (r) |
| 1075 | goto err; |
| 1076 | } |
Tomi Valkeinen | 18946f6 | 2010-01-12 14:16:41 +0200 | [diff] [blame] | 1077 | |
| 1078 | /* note: no bus_unlock here. unlock is in framedone_cb */ |
Tomi Valkeinen | a3201a0 | 2010-03-03 14:31:45 +0200 | [diff] [blame] | 1079 | mutex_unlock(&td->lock); |
Tomi Valkeinen | 18946f6 | 2010-01-12 14:16:41 +0200 | [diff] [blame] | 1080 | return 0; |
| 1081 | err: |
| 1082 | dsi_bus_unlock(); |
Tomi Valkeinen | a3201a0 | 2010-03-03 14:31:45 +0200 | [diff] [blame] | 1083 | mutex_unlock(&td->lock); |
Tomi Valkeinen | 18946f6 | 2010-01-12 14:16:41 +0200 | [diff] [blame] | 1084 | return r; |
| 1085 | } |
| 1086 | |
| 1087 | static int taal_sync(struct omap_dss_device *dssdev) |
| 1088 | { |
Tomi Valkeinen | a3201a0 | 2010-03-03 14:31:45 +0200 | [diff] [blame] | 1089 | struct taal_data *td = dev_get_drvdata(&dssdev->dev); |
| 1090 | |
Tomi Valkeinen | 18946f6 | 2010-01-12 14:16:41 +0200 | [diff] [blame] | 1091 | dev_dbg(&dssdev->dev, "sync\n"); |
| 1092 | |
Tomi Valkeinen | a3201a0 | 2010-03-03 14:31:45 +0200 | [diff] [blame] | 1093 | mutex_lock(&td->lock); |
Tomi Valkeinen | 18946f6 | 2010-01-12 14:16:41 +0200 | [diff] [blame] | 1094 | dsi_bus_lock(); |
| 1095 | dsi_bus_unlock(); |
Tomi Valkeinen | a3201a0 | 2010-03-03 14:31:45 +0200 | [diff] [blame] | 1096 | mutex_unlock(&td->lock); |
Tomi Valkeinen | 18946f6 | 2010-01-12 14:16:41 +0200 | [diff] [blame] | 1097 | |
| 1098 | dev_dbg(&dssdev->dev, "sync done\n"); |
| 1099 | |
| 1100 | return 0; |
Tomi Valkeinen | f133a9d | 2009-10-28 11:31:05 +0200 | [diff] [blame] | 1101 | } |
| 1102 | |
Tomi Valkeinen | 21df20f | 2010-03-02 12:13:55 +0200 | [diff] [blame] | 1103 | static int _taal_enable_te(struct omap_dss_device *dssdev, bool enable) |
Tomi Valkeinen | f133a9d | 2009-10-28 11:31:05 +0200 | [diff] [blame] | 1104 | { |
Jani Nikula | e7f6c3f | 2010-04-15 12:55:38 +0300 | [diff] [blame^] | 1105 | struct taal_data *td = dev_get_drvdata(&dssdev->dev); |
Tomi Valkeinen | 8d3573c | 2010-06-09 15:23:44 +0300 | [diff] [blame] | 1106 | struct nokia_dsi_panel_data *panel_data = get_panel_data(dssdev); |
Tomi Valkeinen | f133a9d | 2009-10-28 11:31:05 +0200 | [diff] [blame] | 1107 | int r; |
| 1108 | |
Tomi Valkeinen | f133a9d | 2009-10-28 11:31:05 +0200 | [diff] [blame] | 1109 | if (enable) |
| 1110 | r = taal_dcs_write_1(DCS_TEAR_ON, 0); |
| 1111 | else |
| 1112 | r = taal_dcs_write_0(DCS_TEAR_OFF); |
| 1113 | |
Tomi Valkeinen | 8d3573c | 2010-06-09 15:23:44 +0300 | [diff] [blame] | 1114 | if (!panel_data->use_ext_te) |
Jani Nikula | 7ae2fb1 | 2010-04-13 10:57:52 +0300 | [diff] [blame] | 1115 | omapdss_dsi_enable_te(dssdev, enable); |
Tomi Valkeinen | 225b650 | 2010-01-11 15:11:01 +0200 | [diff] [blame] | 1116 | |
Jani Nikula | e7f6c3f | 2010-04-15 12:55:38 +0300 | [diff] [blame^] | 1117 | if (td->panel_config->sleep.enable_te) |
| 1118 | msleep(td->panel_config->sleep.enable_te); |
Tomi Valkeinen | 225b650 | 2010-01-11 15:11:01 +0200 | [diff] [blame] | 1119 | |
Tomi Valkeinen | 21df20f | 2010-03-02 12:13:55 +0200 | [diff] [blame] | 1120 | return r; |
| 1121 | } |
| 1122 | |
| 1123 | static int taal_enable_te(struct omap_dss_device *dssdev, bool enable) |
| 1124 | { |
Tomi Valkeinen | a3201a0 | 2010-03-03 14:31:45 +0200 | [diff] [blame] | 1125 | struct taal_data *td = dev_get_drvdata(&dssdev->dev); |
Tomi Valkeinen | 21df20f | 2010-03-02 12:13:55 +0200 | [diff] [blame] | 1126 | int r; |
| 1127 | |
Tomi Valkeinen | a3201a0 | 2010-03-03 14:31:45 +0200 | [diff] [blame] | 1128 | mutex_lock(&td->lock); |
Tomi Valkeinen | 21df20f | 2010-03-02 12:13:55 +0200 | [diff] [blame] | 1129 | dsi_bus_lock(); |
| 1130 | |
Jani Nikula | ee52c0a | 2010-04-12 09:36:05 +0300 | [diff] [blame] | 1131 | if (td->enabled) { |
| 1132 | r = _taal_enable_te(dssdev, enable); |
| 1133 | if (r) |
| 1134 | goto err; |
| 1135 | } |
Tomi Valkeinen | 21df20f | 2010-03-02 12:13:55 +0200 | [diff] [blame] | 1136 | |
Jani Nikula | ee52c0a | 2010-04-12 09:36:05 +0300 | [diff] [blame] | 1137 | td->te_enabled = enable; |
| 1138 | |
| 1139 | dsi_bus_unlock(); |
| 1140 | mutex_unlock(&td->lock); |
| 1141 | |
| 1142 | return 0; |
| 1143 | err: |
Tomi Valkeinen | 225b650 | 2010-01-11 15:11:01 +0200 | [diff] [blame] | 1144 | dsi_bus_unlock(); |
Tomi Valkeinen | a3201a0 | 2010-03-03 14:31:45 +0200 | [diff] [blame] | 1145 | mutex_unlock(&td->lock); |
Tomi Valkeinen | 225b650 | 2010-01-11 15:11:01 +0200 | [diff] [blame] | 1146 | |
Tomi Valkeinen | f133a9d | 2009-10-28 11:31:05 +0200 | [diff] [blame] | 1147 | return r; |
| 1148 | } |
| 1149 | |
Tomi Valkeinen | 225b650 | 2010-01-11 15:11:01 +0200 | [diff] [blame] | 1150 | static int taal_get_te(struct omap_dss_device *dssdev) |
| 1151 | { |
| 1152 | struct taal_data *td = dev_get_drvdata(&dssdev->dev); |
Tomi Valkeinen | a3201a0 | 2010-03-03 14:31:45 +0200 | [diff] [blame] | 1153 | int r; |
| 1154 | |
| 1155 | mutex_lock(&td->lock); |
| 1156 | r = td->te_enabled; |
| 1157 | mutex_unlock(&td->lock); |
| 1158 | |
| 1159 | return r; |
Tomi Valkeinen | 225b650 | 2010-01-11 15:11:01 +0200 | [diff] [blame] | 1160 | } |
| 1161 | |
Tomi Valkeinen | f133a9d | 2009-10-28 11:31:05 +0200 | [diff] [blame] | 1162 | static int taal_rotate(struct omap_dss_device *dssdev, u8 rotate) |
| 1163 | { |
| 1164 | struct taal_data *td = dev_get_drvdata(&dssdev->dev); |
| 1165 | int r; |
| 1166 | |
| 1167 | dev_dbg(&dssdev->dev, "rotate %d\n", rotate); |
| 1168 | |
Tomi Valkeinen | a3201a0 | 2010-03-03 14:31:45 +0200 | [diff] [blame] | 1169 | mutex_lock(&td->lock); |
Tomi Valkeinen | 87424e1 | 2010-01-08 16:52:48 +0200 | [diff] [blame] | 1170 | dsi_bus_lock(); |
| 1171 | |
Tomi Valkeinen | f133a9d | 2009-10-28 11:31:05 +0200 | [diff] [blame] | 1172 | if (td->enabled) { |
| 1173 | r = taal_set_addr_mode(rotate, td->mirror); |
Tomi Valkeinen | f133a9d | 2009-10-28 11:31:05 +0200 | [diff] [blame] | 1174 | if (r) |
Tomi Valkeinen | 87424e1 | 2010-01-08 16:52:48 +0200 | [diff] [blame] | 1175 | goto err; |
Tomi Valkeinen | f133a9d | 2009-10-28 11:31:05 +0200 | [diff] [blame] | 1176 | } |
| 1177 | |
| 1178 | td->rotate = rotate; |
| 1179 | |
Tomi Valkeinen | 87424e1 | 2010-01-08 16:52:48 +0200 | [diff] [blame] | 1180 | dsi_bus_unlock(); |
Tomi Valkeinen | a3201a0 | 2010-03-03 14:31:45 +0200 | [diff] [blame] | 1181 | mutex_unlock(&td->lock); |
Tomi Valkeinen | f133a9d | 2009-10-28 11:31:05 +0200 | [diff] [blame] | 1182 | return 0; |
Tomi Valkeinen | 87424e1 | 2010-01-08 16:52:48 +0200 | [diff] [blame] | 1183 | err: |
| 1184 | dsi_bus_unlock(); |
Tomi Valkeinen | a3201a0 | 2010-03-03 14:31:45 +0200 | [diff] [blame] | 1185 | mutex_unlock(&td->lock); |
Tomi Valkeinen | 87424e1 | 2010-01-08 16:52:48 +0200 | [diff] [blame] | 1186 | return r; |
Tomi Valkeinen | f133a9d | 2009-10-28 11:31:05 +0200 | [diff] [blame] | 1187 | } |
| 1188 | |
| 1189 | static u8 taal_get_rotate(struct omap_dss_device *dssdev) |
| 1190 | { |
| 1191 | struct taal_data *td = dev_get_drvdata(&dssdev->dev); |
Tomi Valkeinen | a3201a0 | 2010-03-03 14:31:45 +0200 | [diff] [blame] | 1192 | int r; |
| 1193 | |
| 1194 | mutex_lock(&td->lock); |
| 1195 | r = td->rotate; |
| 1196 | mutex_unlock(&td->lock); |
| 1197 | |
| 1198 | return r; |
Tomi Valkeinen | f133a9d | 2009-10-28 11:31:05 +0200 | [diff] [blame] | 1199 | } |
| 1200 | |
| 1201 | static int taal_mirror(struct omap_dss_device *dssdev, bool enable) |
| 1202 | { |
| 1203 | struct taal_data *td = dev_get_drvdata(&dssdev->dev); |
| 1204 | int r; |
| 1205 | |
| 1206 | dev_dbg(&dssdev->dev, "mirror %d\n", enable); |
| 1207 | |
Tomi Valkeinen | a3201a0 | 2010-03-03 14:31:45 +0200 | [diff] [blame] | 1208 | mutex_lock(&td->lock); |
Tomi Valkeinen | 8d8aa61 | 2010-01-08 16:30:33 +0200 | [diff] [blame] | 1209 | dsi_bus_lock(); |
Tomi Valkeinen | f133a9d | 2009-10-28 11:31:05 +0200 | [diff] [blame] | 1210 | if (td->enabled) { |
| 1211 | r = taal_set_addr_mode(td->rotate, enable); |
Tomi Valkeinen | f133a9d | 2009-10-28 11:31:05 +0200 | [diff] [blame] | 1212 | if (r) |
Tomi Valkeinen | 8d8aa61 | 2010-01-08 16:30:33 +0200 | [diff] [blame] | 1213 | goto err; |
Tomi Valkeinen | f133a9d | 2009-10-28 11:31:05 +0200 | [diff] [blame] | 1214 | } |
| 1215 | |
| 1216 | td->mirror = enable; |
| 1217 | |
Tomi Valkeinen | 8d8aa61 | 2010-01-08 16:30:33 +0200 | [diff] [blame] | 1218 | dsi_bus_unlock(); |
Tomi Valkeinen | a3201a0 | 2010-03-03 14:31:45 +0200 | [diff] [blame] | 1219 | mutex_unlock(&td->lock); |
Tomi Valkeinen | f133a9d | 2009-10-28 11:31:05 +0200 | [diff] [blame] | 1220 | return 0; |
Tomi Valkeinen | 8d8aa61 | 2010-01-08 16:30:33 +0200 | [diff] [blame] | 1221 | err: |
| 1222 | dsi_bus_unlock(); |
Tomi Valkeinen | a3201a0 | 2010-03-03 14:31:45 +0200 | [diff] [blame] | 1223 | mutex_unlock(&td->lock); |
Tomi Valkeinen | 8d8aa61 | 2010-01-08 16:30:33 +0200 | [diff] [blame] | 1224 | return r; |
Tomi Valkeinen | f133a9d | 2009-10-28 11:31:05 +0200 | [diff] [blame] | 1225 | } |
| 1226 | |
| 1227 | static bool taal_get_mirror(struct omap_dss_device *dssdev) |
| 1228 | { |
| 1229 | struct taal_data *td = dev_get_drvdata(&dssdev->dev); |
Tomi Valkeinen | a3201a0 | 2010-03-03 14:31:45 +0200 | [diff] [blame] | 1230 | int r; |
| 1231 | |
| 1232 | mutex_lock(&td->lock); |
| 1233 | r = td->mirror; |
| 1234 | mutex_unlock(&td->lock); |
| 1235 | |
| 1236 | return r; |
Tomi Valkeinen | f133a9d | 2009-10-28 11:31:05 +0200 | [diff] [blame] | 1237 | } |
| 1238 | |
| 1239 | static int taal_run_test(struct omap_dss_device *dssdev, int test_num) |
| 1240 | { |
Tomi Valkeinen | a3201a0 | 2010-03-03 14:31:45 +0200 | [diff] [blame] | 1241 | struct taal_data *td = dev_get_drvdata(&dssdev->dev); |
Tomi Valkeinen | f133a9d | 2009-10-28 11:31:05 +0200 | [diff] [blame] | 1242 | u8 id1, id2, id3; |
| 1243 | int r; |
| 1244 | |
Tomi Valkeinen | a3201a0 | 2010-03-03 14:31:45 +0200 | [diff] [blame] | 1245 | mutex_lock(&td->lock); |
Jani Nikula | ee52c0a | 2010-04-12 09:36:05 +0300 | [diff] [blame] | 1246 | |
| 1247 | if (!td->enabled) { |
| 1248 | r = -ENODEV; |
| 1249 | goto err1; |
| 1250 | } |
| 1251 | |
Tomi Valkeinen | 1a75ef4 | 2010-01-08 16:21:28 +0200 | [diff] [blame] | 1252 | dsi_bus_lock(); |
| 1253 | |
Tomi Valkeinen | f133a9d | 2009-10-28 11:31:05 +0200 | [diff] [blame] | 1254 | r = taal_dcs_read_1(DCS_GET_ID1, &id1); |
| 1255 | if (r) |
Jani Nikula | ee52c0a | 2010-04-12 09:36:05 +0300 | [diff] [blame] | 1256 | goto err2; |
Tomi Valkeinen | f133a9d | 2009-10-28 11:31:05 +0200 | [diff] [blame] | 1257 | r = taal_dcs_read_1(DCS_GET_ID2, &id2); |
| 1258 | if (r) |
Jani Nikula | ee52c0a | 2010-04-12 09:36:05 +0300 | [diff] [blame] | 1259 | goto err2; |
Tomi Valkeinen | f133a9d | 2009-10-28 11:31:05 +0200 | [diff] [blame] | 1260 | r = taal_dcs_read_1(DCS_GET_ID3, &id3); |
| 1261 | if (r) |
Jani Nikula | ee52c0a | 2010-04-12 09:36:05 +0300 | [diff] [blame] | 1262 | goto err2; |
Tomi Valkeinen | f133a9d | 2009-10-28 11:31:05 +0200 | [diff] [blame] | 1263 | |
Tomi Valkeinen | 1a75ef4 | 2010-01-08 16:21:28 +0200 | [diff] [blame] | 1264 | dsi_bus_unlock(); |
Tomi Valkeinen | a3201a0 | 2010-03-03 14:31:45 +0200 | [diff] [blame] | 1265 | mutex_unlock(&td->lock); |
Tomi Valkeinen | f133a9d | 2009-10-28 11:31:05 +0200 | [diff] [blame] | 1266 | return 0; |
Jani Nikula | ee52c0a | 2010-04-12 09:36:05 +0300 | [diff] [blame] | 1267 | err2: |
Tomi Valkeinen | 1a75ef4 | 2010-01-08 16:21:28 +0200 | [diff] [blame] | 1268 | dsi_bus_unlock(); |
Jani Nikula | ee52c0a | 2010-04-12 09:36:05 +0300 | [diff] [blame] | 1269 | err1: |
Tomi Valkeinen | a3201a0 | 2010-03-03 14:31:45 +0200 | [diff] [blame] | 1270 | mutex_unlock(&td->lock); |
Tomi Valkeinen | 1a75ef4 | 2010-01-08 16:21:28 +0200 | [diff] [blame] | 1271 | return r; |
Tomi Valkeinen | f133a9d | 2009-10-28 11:31:05 +0200 | [diff] [blame] | 1272 | } |
| 1273 | |
| 1274 | static int taal_memory_read(struct omap_dss_device *dssdev, |
| 1275 | void *buf, size_t size, |
| 1276 | u16 x, u16 y, u16 w, u16 h) |
| 1277 | { |
| 1278 | int r; |
| 1279 | int first = 1; |
| 1280 | int plen; |
| 1281 | unsigned buf_used = 0; |
Tomi Valkeinen | c75d946 | 2010-01-08 16:56:44 +0200 | [diff] [blame] | 1282 | struct taal_data *td = dev_get_drvdata(&dssdev->dev); |
| 1283 | |
Tomi Valkeinen | f133a9d | 2009-10-28 11:31:05 +0200 | [diff] [blame] | 1284 | if (size < w * h * 3) |
| 1285 | return -ENOMEM; |
| 1286 | |
Tomi Valkeinen | a3201a0 | 2010-03-03 14:31:45 +0200 | [diff] [blame] | 1287 | mutex_lock(&td->lock); |
| 1288 | |
| 1289 | if (!td->enabled) { |
| 1290 | r = -ENODEV; |
| 1291 | goto err1; |
| 1292 | } |
| 1293 | |
Tomi Valkeinen | f133a9d | 2009-10-28 11:31:05 +0200 | [diff] [blame] | 1294 | size = min(w * h * 3, |
| 1295 | dssdev->panel.timings.x_res * |
| 1296 | dssdev->panel.timings.y_res * 3); |
| 1297 | |
Tomi Valkeinen | c75d946 | 2010-01-08 16:56:44 +0200 | [diff] [blame] | 1298 | dsi_bus_lock(); |
| 1299 | |
Tomi Valkeinen | f133a9d | 2009-10-28 11:31:05 +0200 | [diff] [blame] | 1300 | /* plen 1 or 2 goes into short packet. until checksum error is fixed, |
| 1301 | * use short packets. plen 32 works, but bigger packets seem to cause |
| 1302 | * an error. */ |
| 1303 | if (size % 2) |
| 1304 | plen = 1; |
| 1305 | else |
| 1306 | plen = 2; |
| 1307 | |
Tomi Valkeinen | c75d946 | 2010-01-08 16:56:44 +0200 | [diff] [blame] | 1308 | taal_set_update_window(x, y, w, h); |
Tomi Valkeinen | f133a9d | 2009-10-28 11:31:05 +0200 | [diff] [blame] | 1309 | |
| 1310 | r = dsi_vc_set_max_rx_packet_size(TCH, plen); |
| 1311 | if (r) |
Tomi Valkeinen | a3201a0 | 2010-03-03 14:31:45 +0200 | [diff] [blame] | 1312 | goto err2; |
Tomi Valkeinen | f133a9d | 2009-10-28 11:31:05 +0200 | [diff] [blame] | 1313 | |
| 1314 | while (buf_used < size) { |
| 1315 | u8 dcs_cmd = first ? 0x2e : 0x3e; |
| 1316 | first = 0; |
| 1317 | |
| 1318 | r = dsi_vc_dcs_read(TCH, dcs_cmd, |
| 1319 | buf + buf_used, size - buf_used); |
| 1320 | |
| 1321 | if (r < 0) { |
| 1322 | dev_err(&dssdev->dev, "read error\n"); |
Tomi Valkeinen | a3201a0 | 2010-03-03 14:31:45 +0200 | [diff] [blame] | 1323 | goto err3; |
Tomi Valkeinen | f133a9d | 2009-10-28 11:31:05 +0200 | [diff] [blame] | 1324 | } |
| 1325 | |
| 1326 | buf_used += r; |
| 1327 | |
| 1328 | if (r < plen) { |
| 1329 | dev_err(&dssdev->dev, "short read\n"); |
| 1330 | break; |
| 1331 | } |
| 1332 | |
| 1333 | if (signal_pending(current)) { |
| 1334 | dev_err(&dssdev->dev, "signal pending, " |
| 1335 | "aborting memory read\n"); |
| 1336 | r = -ERESTARTSYS; |
Tomi Valkeinen | a3201a0 | 2010-03-03 14:31:45 +0200 | [diff] [blame] | 1337 | goto err3; |
Tomi Valkeinen | f133a9d | 2009-10-28 11:31:05 +0200 | [diff] [blame] | 1338 | } |
| 1339 | } |
| 1340 | |
| 1341 | r = buf_used; |
| 1342 | |
Tomi Valkeinen | a3201a0 | 2010-03-03 14:31:45 +0200 | [diff] [blame] | 1343 | err3: |
Tomi Valkeinen | f133a9d | 2009-10-28 11:31:05 +0200 | [diff] [blame] | 1344 | dsi_vc_set_max_rx_packet_size(TCH, 1); |
Tomi Valkeinen | a3201a0 | 2010-03-03 14:31:45 +0200 | [diff] [blame] | 1345 | err2: |
Tomi Valkeinen | c75d946 | 2010-01-08 16:56:44 +0200 | [diff] [blame] | 1346 | dsi_bus_unlock(); |
Tomi Valkeinen | a3201a0 | 2010-03-03 14:31:45 +0200 | [diff] [blame] | 1347 | err1: |
| 1348 | mutex_unlock(&td->lock); |
Tomi Valkeinen | f133a9d | 2009-10-28 11:31:05 +0200 | [diff] [blame] | 1349 | return r; |
| 1350 | } |
| 1351 | |
| 1352 | static void taal_esd_work(struct work_struct *work) |
| 1353 | { |
| 1354 | struct taal_data *td = container_of(work, struct taal_data, |
| 1355 | esd_work.work); |
| 1356 | struct omap_dss_device *dssdev = td->dssdev; |
Tomi Valkeinen | 8d3573c | 2010-06-09 15:23:44 +0300 | [diff] [blame] | 1357 | struct nokia_dsi_panel_data *panel_data = get_panel_data(dssdev); |
Tomi Valkeinen | f133a9d | 2009-10-28 11:31:05 +0200 | [diff] [blame] | 1358 | u8 state1, state2; |
| 1359 | int r; |
| 1360 | |
Tomi Valkeinen | a3201a0 | 2010-03-03 14:31:45 +0200 | [diff] [blame] | 1361 | mutex_lock(&td->lock); |
| 1362 | |
| 1363 | if (!td->enabled) { |
| 1364 | mutex_unlock(&td->lock); |
Tomi Valkeinen | f133a9d | 2009-10-28 11:31:05 +0200 | [diff] [blame] | 1365 | return; |
Tomi Valkeinen | a3201a0 | 2010-03-03 14:31:45 +0200 | [diff] [blame] | 1366 | } |
Tomi Valkeinen | f133a9d | 2009-10-28 11:31:05 +0200 | [diff] [blame] | 1367 | |
| 1368 | dsi_bus_lock(); |
| 1369 | |
| 1370 | r = taal_dcs_read_1(DCS_RDDSDR, &state1); |
| 1371 | if (r) { |
| 1372 | dev_err(&dssdev->dev, "failed to read Taal status\n"); |
| 1373 | goto err; |
| 1374 | } |
| 1375 | |
| 1376 | /* Run self diagnostics */ |
| 1377 | r = taal_sleep_out(td); |
| 1378 | if (r) { |
| 1379 | dev_err(&dssdev->dev, "failed to run Taal self-diagnostics\n"); |
| 1380 | goto err; |
| 1381 | } |
| 1382 | |
| 1383 | r = taal_dcs_read_1(DCS_RDDSDR, &state2); |
| 1384 | if (r) { |
| 1385 | dev_err(&dssdev->dev, "failed to read Taal status\n"); |
| 1386 | goto err; |
| 1387 | } |
| 1388 | |
| 1389 | /* Each sleep out command will trigger a self diagnostic and flip |
| 1390 | * Bit6 if the test passes. |
| 1391 | */ |
| 1392 | if (!((state1 ^ state2) & (1 << 6))) { |
| 1393 | dev_err(&dssdev->dev, "LCD self diagnostics failed\n"); |
| 1394 | goto err; |
| 1395 | } |
| 1396 | /* Self-diagnostics result is also shown on TE GPIO line. We need |
| 1397 | * to re-enable TE after self diagnostics */ |
Tomi Valkeinen | 8d3573c | 2010-06-09 15:23:44 +0300 | [diff] [blame] | 1398 | if (td->te_enabled && panel_data->use_ext_te) { |
Tomi Valkeinen | 1189b7f | 2010-03-01 13:52:10 +0200 | [diff] [blame] | 1399 | r = taal_dcs_write_1(DCS_TEAR_ON, 0); |
| 1400 | if (r) |
| 1401 | goto err; |
| 1402 | } |
Tomi Valkeinen | f133a9d | 2009-10-28 11:31:05 +0200 | [diff] [blame] | 1403 | |
| 1404 | dsi_bus_unlock(); |
| 1405 | |
| 1406 | queue_delayed_work(td->esd_wq, &td->esd_work, TAAL_ESD_CHECK_PERIOD); |
| 1407 | |
Tomi Valkeinen | a3201a0 | 2010-03-03 14:31:45 +0200 | [diff] [blame] | 1408 | mutex_unlock(&td->lock); |
Tomi Valkeinen | f133a9d | 2009-10-28 11:31:05 +0200 | [diff] [blame] | 1409 | return; |
| 1410 | err: |
| 1411 | dev_err(&dssdev->dev, "performing LCD reset\n"); |
| 1412 | |
Tomi Valkeinen | a3201a0 | 2010-03-03 14:31:45 +0200 | [diff] [blame] | 1413 | taal_power_off(dssdev); |
Jani Nikula | 006db7b | 2010-04-09 12:25:59 +0300 | [diff] [blame] | 1414 | taal_hw_reset(dssdev); |
Tomi Valkeinen | a3201a0 | 2010-03-03 14:31:45 +0200 | [diff] [blame] | 1415 | taal_power_on(dssdev); |
Tomi Valkeinen | f133a9d | 2009-10-28 11:31:05 +0200 | [diff] [blame] | 1416 | |
| 1417 | dsi_bus_unlock(); |
| 1418 | |
| 1419 | queue_delayed_work(td->esd_wq, &td->esd_work, TAAL_ESD_CHECK_PERIOD); |
Tomi Valkeinen | a3201a0 | 2010-03-03 14:31:45 +0200 | [diff] [blame] | 1420 | |
| 1421 | mutex_unlock(&td->lock); |
Tomi Valkeinen | f133a9d | 2009-10-28 11:31:05 +0200 | [diff] [blame] | 1422 | } |
| 1423 | |
Tomi Valkeinen | 446f7bf | 2010-01-11 16:12:31 +0200 | [diff] [blame] | 1424 | static int taal_set_update_mode(struct omap_dss_device *dssdev, |
| 1425 | enum omap_dss_update_mode mode) |
| 1426 | { |
| 1427 | if (mode != OMAP_DSS_UPDATE_MANUAL) |
| 1428 | return -EINVAL; |
| 1429 | return 0; |
| 1430 | } |
| 1431 | |
| 1432 | static enum omap_dss_update_mode taal_get_update_mode( |
| 1433 | struct omap_dss_device *dssdev) |
| 1434 | { |
| 1435 | return OMAP_DSS_UPDATE_MANUAL; |
| 1436 | } |
| 1437 | |
Tomi Valkeinen | f133a9d | 2009-10-28 11:31:05 +0200 | [diff] [blame] | 1438 | static struct omap_dss_driver taal_driver = { |
| 1439 | .probe = taal_probe, |
| 1440 | .remove = taal_remove, |
| 1441 | |
| 1442 | .enable = taal_enable, |
| 1443 | .disable = taal_disable, |
| 1444 | .suspend = taal_suspend, |
| 1445 | .resume = taal_resume, |
| 1446 | |
Tomi Valkeinen | 446f7bf | 2010-01-11 16:12:31 +0200 | [diff] [blame] | 1447 | .set_update_mode = taal_set_update_mode, |
| 1448 | .get_update_mode = taal_get_update_mode, |
Tomi Valkeinen | 18946f6 | 2010-01-12 14:16:41 +0200 | [diff] [blame] | 1449 | |
| 1450 | .update = taal_update, |
| 1451 | .sync = taal_sync, |
| 1452 | |
Tomi Valkeinen | 96adcec | 2010-01-11 13:54:33 +0200 | [diff] [blame] | 1453 | .get_resolution = taal_get_resolution, |
Tomi Valkeinen | a269950 | 2010-01-11 14:33:40 +0200 | [diff] [blame] | 1454 | .get_recommended_bpp = omapdss_default_get_recommended_bpp, |
| 1455 | |
Tomi Valkeinen | f133a9d | 2009-10-28 11:31:05 +0200 | [diff] [blame] | 1456 | .enable_te = taal_enable_te, |
Tomi Valkeinen | 225b650 | 2010-01-11 15:11:01 +0200 | [diff] [blame] | 1457 | .get_te = taal_get_te, |
Tomi Valkeinen | 225b650 | 2010-01-11 15:11:01 +0200 | [diff] [blame] | 1458 | |
Tomi Valkeinen | f133a9d | 2009-10-28 11:31:05 +0200 | [diff] [blame] | 1459 | .set_rotate = taal_rotate, |
| 1460 | .get_rotate = taal_get_rotate, |
| 1461 | .set_mirror = taal_mirror, |
| 1462 | .get_mirror = taal_get_mirror, |
| 1463 | .run_test = taal_run_test, |
| 1464 | .memory_read = taal_memory_read, |
| 1465 | |
Tomi Valkeinen | 69b2048 | 2010-01-20 12:11:25 +0200 | [diff] [blame] | 1466 | .get_timings = taal_get_timings, |
| 1467 | |
Tomi Valkeinen | f133a9d | 2009-10-28 11:31:05 +0200 | [diff] [blame] | 1468 | .driver = { |
| 1469 | .name = "taal", |
| 1470 | .owner = THIS_MODULE, |
| 1471 | }, |
| 1472 | }; |
| 1473 | |
| 1474 | static int __init taal_init(void) |
| 1475 | { |
| 1476 | omap_dss_register_driver(&taal_driver); |
| 1477 | |
| 1478 | return 0; |
| 1479 | } |
| 1480 | |
| 1481 | static void __exit taal_exit(void) |
| 1482 | { |
| 1483 | omap_dss_unregister_driver(&taal_driver); |
| 1484 | } |
| 1485 | |
| 1486 | module_init(taal_init); |
| 1487 | module_exit(taal_exit); |
| 1488 | |
| 1489 | MODULE_AUTHOR("Tomi Valkeinen <tomi.valkeinen@nokia.com>"); |
| 1490 | MODULE_DESCRIPTION("Taal Driver"); |
| 1491 | MODULE_LICENSE("GPL"); |