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33#include <linux/module.h>
34#include <linux/delay.h>
35#include <linux/slab.h>
36#include <video/omapdss.h>
37
38#include <video/omap-panel-generic-dpi.h>
39
40struct panel_config {
41 struct omap_video_timings timings;
42
43 int power_on_delay;
44 int power_off_delay;
45
46
47
48
49
50 const char *name;
51};
52
53
54static struct panel_config generic_dpi_panels[] = {
55
56 {
57 {
58 .x_res = 480,
59 .y_res = 272,
60
61 .pixel_clock = 9000,
62
63 .hsw = 42,
64 .hfp = 3,
65 .hbp = 2,
66
67 .vsw = 11,
68 .vfp = 3,
69 .vbp = 2,
70
71 .vsync_level = OMAPDSS_SIG_ACTIVE_LOW,
72 .hsync_level = OMAPDSS_SIG_ACTIVE_LOW,
73 .data_pclk_edge = OMAPDSS_DRIVE_SIG_RISING_EDGE,
74 .de_level = OMAPDSS_SIG_ACTIVE_LOW,
75 .sync_pclk_edge = OMAPDSS_DRIVE_SIG_OPPOSITE_EDGES,
76 },
77 .power_on_delay = 50,
78 .power_off_delay = 100,
79 .name = "sharp_lq",
80 },
81
82
83 {
84 {
85 .x_res = 480,
86 .y_res = 640,
87
88 .pixel_clock = 19200,
89
90 .hsw = 2,
91 .hfp = 1,
92 .hbp = 28,
93
94 .vsw = 1,
95 .vfp = 1,
96 .vbp = 1,
97
98 .vsync_level = OMAPDSS_SIG_ACTIVE_LOW,
99 .hsync_level = OMAPDSS_SIG_ACTIVE_LOW,
100 .data_pclk_edge = OMAPDSS_DRIVE_SIG_RISING_EDGE,
101 .de_level = OMAPDSS_SIG_ACTIVE_HIGH,
102 .sync_pclk_edge = OMAPDSS_DRIVE_SIG_OPPOSITE_EDGES,
103 },
104 .power_on_delay = 50,
105 .power_off_delay = 100,
106 .name = "sharp_ls",
107 },
108
109
110 {
111 {
112 .x_res = 480,
113 .y_res = 640,
114
115 .pixel_clock = 26000,
116
117 .hfp = 104,
118 .hsw = 8,
119 .hbp = 8,
120
121 .vfp = 4,
122 .vsw = 2,
123 .vbp = 2,
124
125 .vsync_level = OMAPDSS_SIG_ACTIVE_LOW,
126 .hsync_level = OMAPDSS_SIG_ACTIVE_LOW,
127 .data_pclk_edge = OMAPDSS_DRIVE_SIG_FALLING_EDGE,
128 .de_level = OMAPDSS_SIG_ACTIVE_HIGH,
129 .sync_pclk_edge = OMAPDSS_DRIVE_SIG_FALLING_EDGE,
130 },
131 .power_on_delay = 0,
132 .power_off_delay = 0,
133 .name = "toppoly_tdo35s",
134 },
135
136
137 {
138 {
139 .x_res = 480,
140 .y_res = 272,
141
142 .pixel_clock = 9200,
143
144 .hfp = 8,
145 .hsw = 41,
146 .hbp = 45 - 41,
147
148 .vfp = 4,
149 .vsw = 10,
150 .vbp = 12 - 10,
151
152 .vsync_level = OMAPDSS_SIG_ACTIVE_LOW,
153 .hsync_level = OMAPDSS_SIG_ACTIVE_LOW,
154 .data_pclk_edge = OMAPDSS_DRIVE_SIG_RISING_EDGE,
155 .de_level = OMAPDSS_SIG_ACTIVE_HIGH,
156 .sync_pclk_edge = OMAPDSS_DRIVE_SIG_OPPOSITE_EDGES,
157 },
158 .power_on_delay = 0,
159 .power_off_delay = 0,
160 .name = "samsung_lte430wq_f0c",
161 },
162
163
164 {
165 {
166 .x_res = 800,
167 .y_res = 480,
168
169 .pixel_clock = 33000,
170
171 .hsw = 128,
172 .hfp = 10,
173 .hbp = 10,
174
175 .vsw = 2,
176 .vfp = 4,
177 .vbp = 11,
178
179 .vsync_level = OMAPDSS_SIG_ACTIVE_LOW,
180 .hsync_level = OMAPDSS_SIG_ACTIVE_LOW,
181 .data_pclk_edge = OMAPDSS_DRIVE_SIG_RISING_EDGE,
182 .de_level = OMAPDSS_SIG_ACTIVE_HIGH,
183 .sync_pclk_edge = OMAPDSS_DRIVE_SIG_OPPOSITE_EDGES,
184 },
185 .power_on_delay = 0,
186 .power_off_delay = 0,
187 .name = "seiko_70wvw1tz3",
188 },
189
190
191 {
192 {
193 .x_res = 480,
194 .y_res = 272,
195
196 .pixel_clock = 9000,
197
198 .hsw = 40,
199 .hfp = 2,
200 .hbp = 2,
201
202 .vsw = 10,
203 .vfp = 2,
204 .vbp = 2,
205
206 .vsync_level = OMAPDSS_SIG_ACTIVE_LOW,
207 .hsync_level = OMAPDSS_SIG_ACTIVE_LOW,
208 .data_pclk_edge = OMAPDSS_DRIVE_SIG_RISING_EDGE,
209 .de_level = OMAPDSS_SIG_ACTIVE_LOW,
210 .sync_pclk_edge = OMAPDSS_DRIVE_SIG_OPPOSITE_EDGES,
211 },
212 .power_on_delay = 0,
213 .power_off_delay = 0,
214 .name = "powertip_ph480272t",
215 },
216
217
218 {
219 {
220 .x_res = 800,
221 .y_res = 480,
222
223 .pixel_clock = 40000,
224
225 .hsw = 48,
226 .hfp = 1,
227 .hbp = 1,
228
229 .vsw = 3,
230 .vfp = 12,
231 .vbp = 25,
232
233 .vsync_level = OMAPDSS_SIG_ACTIVE_LOW,
234 .hsync_level = OMAPDSS_SIG_ACTIVE_LOW,
235 .data_pclk_edge = OMAPDSS_DRIVE_SIG_RISING_EDGE,
236 .de_level = OMAPDSS_SIG_ACTIVE_HIGH,
237 .sync_pclk_edge = OMAPDSS_DRIVE_SIG_OPPOSITE_EDGES,
238 },
239 .power_on_delay = 0,
240 .power_off_delay = 0,
241 .name = "innolux_at070tn83",
242 },
243
244
245 {
246 {
247 .x_res = 240,
248 .y_res = 320,
249
250 .pixel_clock = 5400,
251
252 .hsw = 3,
253 .hfp = 3,
254 .hbp = 39,
255
256 .vsw = 1,
257 .vfp = 2,
258 .vbp = 7,
259
260 .vsync_level = OMAPDSS_SIG_ACTIVE_LOW,
261 .hsync_level = OMAPDSS_SIG_ACTIVE_LOW,
262 .data_pclk_edge = OMAPDSS_DRIVE_SIG_RISING_EDGE,
263 .de_level = OMAPDSS_SIG_ACTIVE_HIGH,
264 .sync_pclk_edge = OMAPDSS_DRIVE_SIG_OPPOSITE_EDGES,
265 },
266 .name = "nec_nl2432dr22-11b",
267 },
268
269
270 {
271 {
272 .x_res = 240,
273 .y_res = 320,
274
275 .pixel_clock = 6250,
276
277 .hsw = 15,
278 .hfp = 15,
279 .hbp = 60,
280
281 .vsw = 1,
282 .vfp = 1,
283 .vbp = 1,
284
285 .vsync_level = OMAPDSS_SIG_ACTIVE_HIGH,
286 .hsync_level = OMAPDSS_SIG_ACTIVE_HIGH,
287 .data_pclk_edge = OMAPDSS_DRIVE_SIG_RISING_EDGE,
288 .de_level = OMAPDSS_SIG_ACTIVE_HIGH,
289 .sync_pclk_edge = OMAPDSS_DRIVE_SIG_OPPOSITE_EDGES,
290 },
291 .name = "h4",
292 },
293
294
295 {
296 {
297 .x_res = 480,
298 .y_res = 272,
299
300 .pixel_clock = 6250,
301
302 .hsw = 41,
303 .hfp = 2,
304 .hbp = 2,
305
306 .vsw = 10,
307 .vfp = 2,
308 .vbp = 2,
309
310 .vsync_level = OMAPDSS_SIG_ACTIVE_LOW,
311 .hsync_level = OMAPDSS_SIG_ACTIVE_LOW,
312 .data_pclk_edge = OMAPDSS_DRIVE_SIG_RISING_EDGE,
313 .de_level = OMAPDSS_SIG_ACTIVE_HIGH,
314 .sync_pclk_edge = OMAPDSS_DRIVE_SIG_OPPOSITE_EDGES,
315 },
316 .name = "apollon",
317 },
318
319 {
320 {
321 .x_res = 800,
322 .y_res = 480,
323
324 .pixel_clock = 28000,
325
326 .hsw = 48,
327 .hfp = 40,
328 .hbp = 40,
329
330 .vsw = 3,
331 .vfp = 13,
332 .vbp = 29,
333
334 .vsync_level = OMAPDSS_SIG_ACTIVE_LOW,
335 .hsync_level = OMAPDSS_SIG_ACTIVE_LOW,
336 .data_pclk_edge = OMAPDSS_DRIVE_SIG_RISING_EDGE,
337 .de_level = OMAPDSS_SIG_ACTIVE_HIGH,
338 .sync_pclk_edge = OMAPDSS_DRIVE_SIG_OPPOSITE_EDGES,
339 },
340 .name = "focaltech_etm070003dh6",
341 },
342
343
344 {
345 {
346 .x_res = 800,
347 .y_res = 480,
348
349 .pixel_clock = 34560,
350
351 .hsw = 13,
352 .hfp = 101,
353 .hbp = 101,
354
355 .vsw = 23,
356 .vfp = 1,
357 .vbp = 1,
358
359 .vsync_level = OMAPDSS_SIG_ACTIVE_LOW,
360 .hsync_level = OMAPDSS_SIG_ACTIVE_LOW,
361 .data_pclk_edge = OMAPDSS_DRIVE_SIG_FALLING_EDGE,
362 .de_level = OMAPDSS_SIG_ACTIVE_HIGH,
363 .sync_pclk_edge = OMAPDSS_DRIVE_SIG_OPPOSITE_EDGES,
364 },
365 .power_on_delay = 0,
366 .power_off_delay = 0,
367 .name = "microtips_umsh_8173md",
368 },
369
370
371 {
372 {
373 .x_res = 480,
374 .y_res = 272,
375
376 .pixel_clock = 8000,
377
378 .hsw = 41,
379 .hfp = 8,
380 .hbp = 4,
381
382 .vsw = 10,
383 .vfp = 4,
384 .vbp = 2,
385
386 .vsync_level = OMAPDSS_SIG_ACTIVE_HIGH,
387 .hsync_level = OMAPDSS_SIG_ACTIVE_HIGH,
388 .data_pclk_edge = OMAPDSS_DRIVE_SIG_RISING_EDGE,
389 .de_level = OMAPDSS_SIG_ACTIVE_HIGH,
390 .sync_pclk_edge = OMAPDSS_DRIVE_SIG_OPPOSITE_EDGES,
391 },
392 .name = "ortustech_com43h4m10xtc",
393 },
394
395
396 {
397 {
398 .x_res = 800,
399 .y_res = 600,
400
401 .pixel_clock = 41142,
402
403 .hsw = 20,
404 .hfp = 210,
405 .hbp = 46,
406
407 .vsw = 10,
408 .vfp = 12,
409 .vbp = 23,
410
411 .vsync_level = OMAPDSS_SIG_ACTIVE_LOW,
412 .hsync_level = OMAPDSS_SIG_ACTIVE_LOW,
413 .data_pclk_edge = OMAPDSS_DRIVE_SIG_RISING_EDGE,
414 .de_level = OMAPDSS_SIG_ACTIVE_LOW,
415 .sync_pclk_edge = OMAPDSS_DRIVE_SIG_OPPOSITE_EDGES,
416 },
417 .name = "innolux_at080tn52",
418 },
419
420
421 {
422 {
423 .x_res = 800,
424 .y_res = 600,
425 .pixel_clock = 40000,
426
427 .hsw = 1,
428 .hfp = 254,
429 .hbp = 1,
430
431 .vsw = 1,
432 .vfp = 26,
433 .vbp = 1,
434
435 .vsync_level = OMAPDSS_SIG_ACTIVE_HIGH,
436 .hsync_level = OMAPDSS_SIG_ACTIVE_HIGH,
437 .data_pclk_edge = OMAPDSS_DRIVE_SIG_RISING_EDGE,
438 .de_level = OMAPDSS_SIG_ACTIVE_HIGH,
439 .sync_pclk_edge = OMAPDSS_DRIVE_SIG_OPPOSITE_EDGES,
440 },
441 .name = "mitsubishi_aa084sb01",
442 },
443
444 {
445 {
446 .x_res = 800,
447 .y_res = 480,
448 .pixel_clock = 33260,
449
450 .hsw = 128,
451 .hfp = 216,
452 .hbp = 40,
453
454 .vsw = 2,
455 .vfp = 35,
456 .vbp = 10,
457
458 .vsync_level = OMAPDSS_SIG_ACTIVE_HIGH,
459 .hsync_level = OMAPDSS_SIG_ACTIVE_HIGH,
460 .data_pclk_edge = OMAPDSS_DRIVE_SIG_RISING_EDGE,
461 .de_level = OMAPDSS_SIG_ACTIVE_HIGH,
462 .sync_pclk_edge = OMAPDSS_DRIVE_SIG_OPPOSITE_EDGES,
463 },
464 .name = "edt_et0500g0dh6",
465 },
466
467
468 {
469 {
470 .x_res = 640,
471 .y_res = 480,
472
473 .pixel_clock = 25000,
474
475 .hsw = 96,
476 .hfp = 18,
477 .hbp = 46,
478
479 .vsw = 2,
480 .vfp = 10,
481 .vbp = 33,
482
483 .vsync_level = OMAPDSS_SIG_ACTIVE_LOW,
484 .hsync_level = OMAPDSS_SIG_ACTIVE_LOW,
485 .data_pclk_edge = OMAPDSS_DRIVE_SIG_FALLING_EDGE,
486 .de_level = OMAPDSS_SIG_ACTIVE_HIGH,
487 .sync_pclk_edge = OMAPDSS_DRIVE_SIG_OPPOSITE_EDGES,
488 },
489 .name = "primeview_pd050vl1",
490 },
491
492
493 {
494 {
495 .x_res = 800,
496 .y_res = 480,
497
498 .pixel_clock = 32000,
499
500 .hsw = 128,
501 .hfp = 42,
502 .hbp = 86,
503
504 .vsw = 2,
505 .vfp = 10,
506 .vbp = 33,
507
508 .vsync_level = OMAPDSS_SIG_ACTIVE_LOW,
509 .hsync_level = OMAPDSS_SIG_ACTIVE_LOW,
510 .data_pclk_edge = OMAPDSS_DRIVE_SIG_FALLING_EDGE,
511 .de_level = OMAPDSS_SIG_ACTIVE_HIGH,
512 .sync_pclk_edge = OMAPDSS_DRIVE_SIG_OPPOSITE_EDGES,
513 },
514 .name = "primeview_pm070wl4",
515 },
516
517
518 {
519 {
520 .x_res = 800,
521 .y_res = 600,
522
523 .pixel_clock = 40000,
524
525 .hsw = 128,
526 .hfp = 42,
527 .hbp = 86,
528
529 .vsw = 4,
530 .vfp = 1,
531 .vbp = 23,
532
533 .vsync_level = OMAPDSS_SIG_ACTIVE_LOW,
534 .hsync_level = OMAPDSS_SIG_ACTIVE_LOW,
535 .data_pclk_edge = OMAPDSS_DRIVE_SIG_FALLING_EDGE,
536 .de_level = OMAPDSS_SIG_ACTIVE_HIGH,
537 .sync_pclk_edge = OMAPDSS_DRIVE_SIG_OPPOSITE_EDGES,
538 },
539 .name = "primeview_pd104slf",
540 },
541};
542
543struct panel_drv_data {
544
545 struct omap_dss_device *dssdev;
546
547 struct panel_config *panel_config;
548
549 struct mutex lock;
550};
551
552static inline struct panel_generic_dpi_data
553*get_panel_data(const struct omap_dss_device *dssdev)
554{
555 return (struct panel_generic_dpi_data *) dssdev->data;
556}
557
558static int generic_dpi_panel_power_on(struct omap_dss_device *dssdev)
559{
560 int r;
561 struct panel_generic_dpi_data *panel_data = get_panel_data(dssdev);
562 struct panel_drv_data *drv_data = dev_get_drvdata(&dssdev->dev);
563 struct panel_config *panel_config = drv_data->panel_config;
564
565 if (dssdev->state == OMAP_DSS_DISPLAY_ACTIVE)
566 return 0;
567
568 omapdss_dpi_set_timings(dssdev, &dssdev->panel.timings);
569 omapdss_dpi_set_data_lines(dssdev, dssdev->phy.dpi.data_lines);
570
571 r = omapdss_dpi_display_enable(dssdev);
572 if (r)
573 goto err0;
574
575
576 if (panel_config->power_on_delay)
577 msleep(panel_config->power_on_delay);
578
579 if (panel_data->platform_enable) {
580 r = panel_data->platform_enable(dssdev);
581 if (r)
582 goto err1;
583 }
584
585 return 0;
586err1:
587 omapdss_dpi_display_disable(dssdev);
588err0:
589 return r;
590}
591
592static void generic_dpi_panel_power_off(struct omap_dss_device *dssdev)
593{
594 struct panel_generic_dpi_data *panel_data = get_panel_data(dssdev);
595 struct panel_drv_data *drv_data = dev_get_drvdata(&dssdev->dev);
596 struct panel_config *panel_config = drv_data->panel_config;
597
598 if (dssdev->state != OMAP_DSS_DISPLAY_ACTIVE)
599 return;
600
601 if (panel_data->platform_disable)
602 panel_data->platform_disable(dssdev);
603
604
605 if (panel_config->power_off_delay)
606 msleep(panel_config->power_off_delay);
607
608 omapdss_dpi_display_disable(dssdev);
609}
610
611static int generic_dpi_panel_probe(struct omap_dss_device *dssdev)
612{
613 struct panel_generic_dpi_data *panel_data = get_panel_data(dssdev);
614 struct panel_config *panel_config = NULL;
615 struct panel_drv_data *drv_data = NULL;
616 int i;
617
618 dev_dbg(&dssdev->dev, "probe\n");
619
620 if (!panel_data || !panel_data->name)
621 return -EINVAL;
622
623 for (i = 0; i < ARRAY_SIZE(generic_dpi_panels); i++) {
624 if (strcmp(panel_data->name, generic_dpi_panels[i].name) == 0) {
625 panel_config = &generic_dpi_panels[i];
626 break;
627 }
628 }
629
630 if (!panel_config)
631 return -EINVAL;
632
633 dssdev->panel.timings = panel_config->timings;
634
635 drv_data = kzalloc(sizeof(*drv_data), GFP_KERNEL);
636 if (!drv_data)
637 return -ENOMEM;
638
639 drv_data->dssdev = dssdev;
640 drv_data->panel_config = panel_config;
641
642 mutex_init(&drv_data->lock);
643
644 dev_set_drvdata(&dssdev->dev, drv_data);
645
646 return 0;
647}
648
649static void __exit generic_dpi_panel_remove(struct omap_dss_device *dssdev)
650{
651 struct panel_drv_data *drv_data = dev_get_drvdata(&dssdev->dev);
652
653 dev_dbg(&dssdev->dev, "remove\n");
654
655 kfree(drv_data);
656
657 dev_set_drvdata(&dssdev->dev, NULL);
658}
659
660static int generic_dpi_panel_enable(struct omap_dss_device *dssdev)
661{
662 struct panel_drv_data *drv_data = dev_get_drvdata(&dssdev->dev);
663 int r;
664
665 mutex_lock(&drv_data->lock);
666
667 r = generic_dpi_panel_power_on(dssdev);
668 if (r)
669 goto err;
670
671 dssdev->state = OMAP_DSS_DISPLAY_ACTIVE;
672err:
673 mutex_unlock(&drv_data->lock);
674
675 return r;
676}
677
678static void generic_dpi_panel_disable(struct omap_dss_device *dssdev)
679{
680 struct panel_drv_data *drv_data = dev_get_drvdata(&dssdev->dev);
681
682 mutex_lock(&drv_data->lock);
683
684 generic_dpi_panel_power_off(dssdev);
685
686 dssdev->state = OMAP_DSS_DISPLAY_DISABLED;
687
688 mutex_unlock(&drv_data->lock);
689}
690
691static int generic_dpi_panel_suspend(struct omap_dss_device *dssdev)
692{
693 struct panel_drv_data *drv_data = dev_get_drvdata(&dssdev->dev);
694
695 mutex_lock(&drv_data->lock);
696
697 generic_dpi_panel_power_off(dssdev);
698
699 dssdev->state = OMAP_DSS_DISPLAY_SUSPENDED;
700
701 mutex_unlock(&drv_data->lock);
702
703 return 0;
704}
705
706static int generic_dpi_panel_resume(struct omap_dss_device *dssdev)
707{
708 struct panel_drv_data *drv_data = dev_get_drvdata(&dssdev->dev);
709 int r;
710
711 mutex_lock(&drv_data->lock);
712
713 r = generic_dpi_panel_power_on(dssdev);
714 if (r)
715 goto err;
716
717 dssdev->state = OMAP_DSS_DISPLAY_ACTIVE;
718
719err:
720 mutex_unlock(&drv_data->lock);
721
722 return r;
723}
724
725static void generic_dpi_panel_set_timings(struct omap_dss_device *dssdev,
726 struct omap_video_timings *timings)
727{
728 struct panel_drv_data *drv_data = dev_get_drvdata(&dssdev->dev);
729
730 mutex_lock(&drv_data->lock);
731
732 omapdss_dpi_set_timings(dssdev, timings);
733
734 dssdev->panel.timings = *timings;
735
736 mutex_unlock(&drv_data->lock);
737}
738
739static void generic_dpi_panel_get_timings(struct omap_dss_device *dssdev,
740 struct omap_video_timings *timings)
741{
742 struct panel_drv_data *drv_data = dev_get_drvdata(&dssdev->dev);
743
744 mutex_lock(&drv_data->lock);
745
746 *timings = dssdev->panel.timings;
747
748 mutex_unlock(&drv_data->lock);
749}
750
751static int generic_dpi_panel_check_timings(struct omap_dss_device *dssdev,
752 struct omap_video_timings *timings)
753{
754 struct panel_drv_data *drv_data = dev_get_drvdata(&dssdev->dev);
755 int r;
756
757 mutex_lock(&drv_data->lock);
758
759 r = dpi_check_timings(dssdev, timings);
760
761 mutex_unlock(&drv_data->lock);
762
763 return r;
764}
765
766static struct omap_dss_driver dpi_driver = {
767 .probe = generic_dpi_panel_probe,
768 .remove = __exit_p(generic_dpi_panel_remove),
769
770 .enable = generic_dpi_panel_enable,
771 .disable = generic_dpi_panel_disable,
772 .suspend = generic_dpi_panel_suspend,
773 .resume = generic_dpi_panel_resume,
774
775 .set_timings = generic_dpi_panel_set_timings,
776 .get_timings = generic_dpi_panel_get_timings,
777 .check_timings = generic_dpi_panel_check_timings,
778
779 .driver = {
780 .name = "generic_dpi_panel",
781 .owner = THIS_MODULE,
782 },
783};
784
785static int __init generic_dpi_panel_drv_init(void)
786{
787 return omap_dss_register_driver(&dpi_driver);
788}
789
790static void __exit generic_dpi_panel_drv_exit(void)
791{
792 omap_dss_unregister_driver(&dpi_driver);
793}
794
795module_init(generic_dpi_panel_drv_init);
796module_exit(generic_dpi_panel_drv_exit);
797MODULE_LICENSE("GPL");
798
