1
2
3
4
5
6
7
8
9
10#define DSS_SUBSYS_NAME "HDMI"
11
12#include <linux/kernel.h>
13#include <linux/module.h>
14#include <linux/err.h>
15#include <linux/io.h>
16#include <linux/interrupt.h>
17#include <linux/mutex.h>
18#include <linux/delay.h>
19#include <linux/string.h>
20#include <linux/platform_device.h>
21#include <linux/pm_runtime.h>
22#include <linux/clk.h>
23#include <linux/gpio.h>
24#include <linux/regulator/consumer.h>
25#include <linux/component.h>
26#include <linux/of.h>
27#include <linux/of_graph.h>
28#include <sound/omap-hdmi-audio.h>
29#include <media/cec.h>
30
31#include "omapdss.h"
32#include "hdmi4_core.h"
33#include "hdmi4_cec.h"
34#include "dss.h"
35#include "hdmi.h"
36
37static int hdmi_runtime_get(struct omap_hdmi *hdmi)
38{
39 int r;
40
41 DSSDBG("hdmi_runtime_get\n");
42
43 r = pm_runtime_get_sync(&hdmi->pdev->dev);
44 WARN_ON(r < 0);
45 if (r < 0)
46 return r;
47
48 return 0;
49}
50
51static void hdmi_runtime_put(struct omap_hdmi *hdmi)
52{
53 int r;
54
55 DSSDBG("hdmi_runtime_put\n");
56
57 r = pm_runtime_put_sync(&hdmi->pdev->dev);
58 WARN_ON(r < 0 && r != -ENOSYS);
59}
60
61static irqreturn_t hdmi_irq_handler(int irq, void *data)
62{
63 struct omap_hdmi *hdmi = data;
64 struct hdmi_wp_data *wp = &hdmi->wp;
65 u32 irqstatus;
66
67 irqstatus = hdmi_wp_get_irqstatus(wp);
68 hdmi_wp_set_irqstatus(wp, irqstatus);
69
70 if ((irqstatus & HDMI_IRQ_LINK_CONNECT) &&
71 irqstatus & HDMI_IRQ_LINK_DISCONNECT) {
72
73
74
75
76
77
78 hdmi_wp_set_phy_pwr(wp, HDMI_PHYPWRCMD_OFF);
79
80 hdmi_wp_set_irqstatus(wp, HDMI_IRQ_LINK_CONNECT |
81 HDMI_IRQ_LINK_DISCONNECT);
82
83 hdmi_wp_set_phy_pwr(wp, HDMI_PHYPWRCMD_LDOON);
84 } else if (irqstatus & HDMI_IRQ_LINK_CONNECT) {
85 hdmi_wp_set_phy_pwr(wp, HDMI_PHYPWRCMD_TXON);
86 } else if (irqstatus & HDMI_IRQ_LINK_DISCONNECT) {
87 hdmi_wp_set_phy_pwr(wp, HDMI_PHYPWRCMD_LDOON);
88 }
89 if (irqstatus & HDMI_IRQ_CORE) {
90 u32 intr4 = hdmi_read_reg(hdmi->core.base, HDMI_CORE_SYS_INTR4);
91
92 hdmi_write_reg(hdmi->core.base, HDMI_CORE_SYS_INTR4, intr4);
93 if (intr4 & 8)
94 hdmi4_cec_irq(&hdmi->core);
95 }
96
97 return IRQ_HANDLED;
98}
99
100static int hdmi_power_on_core(struct omap_hdmi *hdmi)
101{
102 int r;
103
104 if (hdmi->core.core_pwr_cnt++)
105 return 0;
106
107 r = regulator_enable(hdmi->vdda_reg);
108 if (r)
109 goto err_reg_enable;
110
111 r = hdmi_runtime_get(hdmi);
112 if (r)
113 goto err_runtime_get;
114
115 hdmi4_core_powerdown_disable(&hdmi->core);
116
117
118 dss_select_hdmi_venc_clk_source(hdmi->dss, DSS_HDMI_M_PCLK);
119
120 hdmi->core_enabled = true;
121
122 return 0;
123
124err_runtime_get:
125 regulator_disable(hdmi->vdda_reg);
126err_reg_enable:
127 hdmi->core.core_pwr_cnt--;
128
129 return r;
130}
131
132static void hdmi_power_off_core(struct omap_hdmi *hdmi)
133{
134 if (--hdmi->core.core_pwr_cnt)
135 return;
136
137 hdmi->core_enabled = false;
138
139 hdmi_runtime_put(hdmi);
140 regulator_disable(hdmi->vdda_reg);
141}
142
143static int hdmi_power_on_full(struct omap_hdmi *hdmi)
144{
145 int r;
146 const struct videomode *vm;
147 struct hdmi_wp_data *wp = &hdmi->wp;
148 struct dss_pll_clock_info hdmi_cinfo = { 0 };
149 unsigned int pc;
150
151 r = hdmi_power_on_core(hdmi);
152 if (r)
153 return r;
154
155
156 hdmi_wp_clear_irqenable(wp, ~HDMI_IRQ_CORE);
157 hdmi_wp_set_irqstatus(wp, ~HDMI_IRQ_CORE);
158
159 vm = &hdmi->cfg.vm;
160
161 DSSDBG("hdmi_power_on hactive= %d vactive = %d\n", vm->hactive,
162 vm->vactive);
163
164 pc = vm->pixelclock;
165 if (vm->flags & DISPLAY_FLAGS_DOUBLECLK)
166 pc *= 2;
167
168
169 pc *= 10;
170
171 dss_pll_calc_b(&hdmi->pll.pll, clk_get_rate(hdmi->pll.pll.clkin),
172 pc, &hdmi_cinfo);
173
174 r = dss_pll_enable(&hdmi->pll.pll);
175 if (r) {
176 DSSERR("Failed to enable PLL\n");
177 goto err_pll_enable;
178 }
179
180 r = dss_pll_set_config(&hdmi->pll.pll, &hdmi_cinfo);
181 if (r) {
182 DSSERR("Failed to configure PLL\n");
183 goto err_pll_cfg;
184 }
185
186 r = hdmi_phy_configure(&hdmi->phy, hdmi_cinfo.clkdco,
187 hdmi_cinfo.clkout[0]);
188 if (r) {
189 DSSDBG("Failed to configure PHY\n");
190 goto err_phy_cfg;
191 }
192
193 r = hdmi_wp_set_phy_pwr(wp, HDMI_PHYPWRCMD_LDOON);
194 if (r)
195 goto err_phy_pwr;
196
197 hdmi4_configure(&hdmi->core, &hdmi->wp, &hdmi->cfg);
198
199 r = dss_mgr_enable(&hdmi->output);
200 if (r)
201 goto err_mgr_enable;
202
203 r = hdmi_wp_video_start(&hdmi->wp);
204 if (r)
205 goto err_vid_enable;
206
207 hdmi_wp_set_irqenable(wp,
208 HDMI_IRQ_LINK_CONNECT | HDMI_IRQ_LINK_DISCONNECT);
209
210 return 0;
211
212err_vid_enable:
213 dss_mgr_disable(&hdmi->output);
214err_mgr_enable:
215 hdmi_wp_set_phy_pwr(&hdmi->wp, HDMI_PHYPWRCMD_OFF);
216err_phy_pwr:
217err_phy_cfg:
218err_pll_cfg:
219 dss_pll_disable(&hdmi->pll.pll);
220err_pll_enable:
221 hdmi_power_off_core(hdmi);
222 return -EIO;
223}
224
225static void hdmi_power_off_full(struct omap_hdmi *hdmi)
226{
227 hdmi_wp_clear_irqenable(&hdmi->wp, ~HDMI_IRQ_CORE);
228
229 hdmi_wp_video_stop(&hdmi->wp);
230
231 dss_mgr_disable(&hdmi->output);
232
233 hdmi_wp_set_phy_pwr(&hdmi->wp, HDMI_PHYPWRCMD_OFF);
234
235 dss_pll_disable(&hdmi->pll.pll);
236
237 hdmi_power_off_core(hdmi);
238}
239
240static void hdmi_display_set_timings(struct omap_dss_device *dssdev,
241 const struct drm_display_mode *mode)
242{
243 struct omap_hdmi *hdmi = dssdev_to_hdmi(dssdev);
244
245 mutex_lock(&hdmi->lock);
246
247 drm_display_mode_to_videomode(mode, &hdmi->cfg.vm);
248
249 dispc_set_tv_pclk(hdmi->dss->dispc, mode->clock * 1000);
250
251 mutex_unlock(&hdmi->lock);
252}
253
254static int hdmi_dump_regs(struct seq_file *s, void *p)
255{
256 struct omap_hdmi *hdmi = s->private;
257
258 mutex_lock(&hdmi->lock);
259
260 if (hdmi_runtime_get(hdmi)) {
261 mutex_unlock(&hdmi->lock);
262 return 0;
263 }
264
265 hdmi_wp_dump(&hdmi->wp, s);
266 hdmi_pll_dump(&hdmi->pll, s);
267 hdmi_phy_dump(&hdmi->phy, s);
268 hdmi4_core_dump(&hdmi->core, s);
269
270 hdmi_runtime_put(hdmi);
271 mutex_unlock(&hdmi->lock);
272 return 0;
273}
274
275static int read_edid(struct omap_hdmi *hdmi, u8 *buf, int len)
276{
277 int r;
278
279 mutex_lock(&hdmi->lock);
280
281 r = hdmi_runtime_get(hdmi);
282 BUG_ON(r);
283
284 r = hdmi4_read_edid(&hdmi->core, buf, len);
285
286 hdmi_runtime_put(hdmi);
287 mutex_unlock(&hdmi->lock);
288
289 return r;
290}
291
292static void hdmi_start_audio_stream(struct omap_hdmi *hd)
293{
294 hdmi_wp_audio_enable(&hd->wp, true);
295 hdmi4_audio_start(&hd->core, &hd->wp);
296}
297
298static void hdmi_stop_audio_stream(struct omap_hdmi *hd)
299{
300 hdmi4_audio_stop(&hd->core, &hd->wp);
301 hdmi_wp_audio_enable(&hd->wp, false);
302}
303
304static void hdmi_display_enable(struct omap_dss_device *dssdev)
305{
306 struct omap_hdmi *hdmi = dssdev_to_hdmi(dssdev);
307 unsigned long flags;
308 int r;
309
310 DSSDBG("ENTER hdmi_display_enable\n");
311
312 mutex_lock(&hdmi->lock);
313
314 r = hdmi_power_on_full(hdmi);
315 if (r) {
316 DSSERR("failed to power on device\n");
317 goto done;
318 }
319
320 if (hdmi->audio_configured) {
321 r = hdmi4_audio_config(&hdmi->core, &hdmi->wp,
322 &hdmi->audio_config,
323 hdmi->cfg.vm.pixelclock);
324 if (r) {
325 DSSERR("Error restoring audio configuration: %d", r);
326 hdmi->audio_abort_cb(&hdmi->pdev->dev);
327 hdmi->audio_configured = false;
328 }
329 }
330
331 spin_lock_irqsave(&hdmi->audio_playing_lock, flags);
332 if (hdmi->audio_configured && hdmi->audio_playing)
333 hdmi_start_audio_stream(hdmi);
334 hdmi->display_enabled = true;
335 spin_unlock_irqrestore(&hdmi->audio_playing_lock, flags);
336
337done:
338 mutex_unlock(&hdmi->lock);
339}
340
341static void hdmi_display_disable(struct omap_dss_device *dssdev)
342{
343 struct omap_hdmi *hdmi = dssdev_to_hdmi(dssdev);
344 unsigned long flags;
345
346 DSSDBG("Enter hdmi_display_disable\n");
347
348 mutex_lock(&hdmi->lock);
349
350 spin_lock_irqsave(&hdmi->audio_playing_lock, flags);
351 hdmi_stop_audio_stream(hdmi);
352 hdmi->display_enabled = false;
353 spin_unlock_irqrestore(&hdmi->audio_playing_lock, flags);
354
355 hdmi_power_off_full(hdmi);
356
357 mutex_unlock(&hdmi->lock);
358}
359
360int hdmi4_core_enable(struct hdmi_core_data *core)
361{
362 struct omap_hdmi *hdmi = container_of(core, struct omap_hdmi, core);
363 int r = 0;
364
365 DSSDBG("ENTER omapdss_hdmi4_core_enable\n");
366
367 mutex_lock(&hdmi->lock);
368
369 r = hdmi_power_on_core(hdmi);
370 if (r) {
371 DSSERR("failed to power on device\n");
372 goto err0;
373 }
374
375 mutex_unlock(&hdmi->lock);
376 return 0;
377
378err0:
379 mutex_unlock(&hdmi->lock);
380 return r;
381}
382
383void hdmi4_core_disable(struct hdmi_core_data *core)
384{
385 struct omap_hdmi *hdmi = container_of(core, struct omap_hdmi, core);
386
387 DSSDBG("Enter omapdss_hdmi4_core_disable\n");
388
389 mutex_lock(&hdmi->lock);
390
391 hdmi_power_off_core(hdmi);
392
393 mutex_unlock(&hdmi->lock);
394}
395
396static int hdmi_connect(struct omap_dss_device *src,
397 struct omap_dss_device *dst)
398{
399 return omapdss_device_connect(dst->dss, dst, dst->next);
400}
401
402static void hdmi_disconnect(struct omap_dss_device *src,
403 struct omap_dss_device *dst)
404{
405 omapdss_device_disconnect(dst, dst->next);
406}
407
408static int hdmi_read_edid(struct omap_dss_device *dssdev,
409 u8 *edid, int len)
410{
411 struct omap_hdmi *hdmi = dssdev_to_hdmi(dssdev);
412 bool need_enable;
413 int r;
414
415 need_enable = hdmi->core_enabled == false;
416
417 if (need_enable) {
418 r = hdmi4_core_enable(&hdmi->core);
419 if (r)
420 return r;
421 }
422
423 r = read_edid(hdmi, edid, len);
424 if (r >= 256)
425 hdmi4_cec_set_phys_addr(&hdmi->core,
426 cec_get_edid_phys_addr(edid, r, NULL));
427 else
428 hdmi4_cec_set_phys_addr(&hdmi->core, CEC_PHYS_ADDR_INVALID);
429 if (need_enable)
430 hdmi4_core_disable(&hdmi->core);
431
432 return r;
433}
434
435static void hdmi_lost_hotplug(struct omap_dss_device *dssdev)
436{
437 struct omap_hdmi *hdmi = dssdev_to_hdmi(dssdev);
438
439 hdmi4_cec_set_phys_addr(&hdmi->core, CEC_PHYS_ADDR_INVALID);
440}
441
442static int hdmi_set_infoframe(struct omap_dss_device *dssdev,
443 const struct hdmi_avi_infoframe *avi)
444{
445 struct omap_hdmi *hdmi = dssdev_to_hdmi(dssdev);
446
447 hdmi->cfg.infoframe = *avi;
448 return 0;
449}
450
451static int hdmi_set_hdmi_mode(struct omap_dss_device *dssdev,
452 bool hdmi_mode)
453{
454 struct omap_hdmi *hdmi = dssdev_to_hdmi(dssdev);
455
456 hdmi->cfg.hdmi_dvi_mode = hdmi_mode ? HDMI_HDMI : HDMI_DVI;
457 return 0;
458}
459
460static const struct omap_dss_device_ops hdmi_ops = {
461 .connect = hdmi_connect,
462 .disconnect = hdmi_disconnect,
463
464 .enable = hdmi_display_enable,
465 .disable = hdmi_display_disable,
466
467 .set_timings = hdmi_display_set_timings,
468
469 .read_edid = hdmi_read_edid,
470
471 .hdmi = {
472 .lost_hotplug = hdmi_lost_hotplug,
473 .set_infoframe = hdmi_set_infoframe,
474 .set_hdmi_mode = hdmi_set_hdmi_mode,
475 },
476};
477
478
479
480
481
482static int hdmi_audio_startup(struct device *dev,
483 void (*abort_cb)(struct device *dev))
484{
485 struct omap_hdmi *hd = dev_get_drvdata(dev);
486
487 mutex_lock(&hd->lock);
488
489 WARN_ON(hd->audio_abort_cb != NULL);
490
491 hd->audio_abort_cb = abort_cb;
492
493 mutex_unlock(&hd->lock);
494
495 return 0;
496}
497
498static int hdmi_audio_shutdown(struct device *dev)
499{
500 struct omap_hdmi *hd = dev_get_drvdata(dev);
501
502 mutex_lock(&hd->lock);
503 hd->audio_abort_cb = NULL;
504 hd->audio_configured = false;
505 hd->audio_playing = false;
506 mutex_unlock(&hd->lock);
507
508 return 0;
509}
510
511static int hdmi_audio_start(struct device *dev)
512{
513 struct omap_hdmi *hd = dev_get_drvdata(dev);
514 unsigned long flags;
515
516 spin_lock_irqsave(&hd->audio_playing_lock, flags);
517
518 if (hd->display_enabled) {
519 if (!hdmi_mode_has_audio(&hd->cfg))
520 DSSERR("%s: Video mode does not support audio\n",
521 __func__);
522 hdmi_start_audio_stream(hd);
523 }
524 hd->audio_playing = true;
525
526 spin_unlock_irqrestore(&hd->audio_playing_lock, flags);
527 return 0;
528}
529
530static void hdmi_audio_stop(struct device *dev)
531{
532 struct omap_hdmi *hd = dev_get_drvdata(dev);
533 unsigned long flags;
534
535 WARN_ON(!hdmi_mode_has_audio(&hd->cfg));
536
537 spin_lock_irqsave(&hd->audio_playing_lock, flags);
538
539 if (hd->display_enabled)
540 hdmi_stop_audio_stream(hd);
541 hd->audio_playing = false;
542
543 spin_unlock_irqrestore(&hd->audio_playing_lock, flags);
544}
545
546static int hdmi_audio_config(struct device *dev,
547 struct omap_dss_audio *dss_audio)
548{
549 struct omap_hdmi *hd = dev_get_drvdata(dev);
550 int ret = 0;
551
552 mutex_lock(&hd->lock);
553
554 if (hd->display_enabled) {
555 ret = hdmi4_audio_config(&hd->core, &hd->wp, dss_audio,
556 hd->cfg.vm.pixelclock);
557 if (ret)
558 goto out;
559 }
560
561 hd->audio_configured = true;
562 hd->audio_config = *dss_audio;
563out:
564 mutex_unlock(&hd->lock);
565
566 return ret;
567}
568
569static const struct omap_hdmi_audio_ops hdmi_audio_ops = {
570 .audio_startup = hdmi_audio_startup,
571 .audio_shutdown = hdmi_audio_shutdown,
572 .audio_start = hdmi_audio_start,
573 .audio_stop = hdmi_audio_stop,
574 .audio_config = hdmi_audio_config,
575};
576
577static int hdmi_audio_register(struct omap_hdmi *hdmi)
578{
579 struct omap_hdmi_audio_pdata pdata = {
580 .dev = &hdmi->pdev->dev,
581 .version = 4,
582 .audio_dma_addr = hdmi_wp_get_audio_dma_addr(&hdmi->wp),
583 .ops = &hdmi_audio_ops,
584 };
585
586 hdmi->audio_pdev = platform_device_register_data(
587 &hdmi->pdev->dev, "omap-hdmi-audio", PLATFORM_DEVID_AUTO,
588 &pdata, sizeof(pdata));
589
590 if (IS_ERR(hdmi->audio_pdev))
591 return PTR_ERR(hdmi->audio_pdev);
592
593 return 0;
594}
595
596
597
598
599
600static int hdmi4_bind(struct device *dev, struct device *master, void *data)
601{
602 struct dss_device *dss = dss_get_device(master);
603 struct omap_hdmi *hdmi = dev_get_drvdata(dev);
604 int r;
605
606 hdmi->dss = dss;
607
608 r = hdmi_runtime_get(hdmi);
609 if (r)
610 return r;
611
612 r = hdmi_pll_init(dss, hdmi->pdev, &hdmi->pll, &hdmi->wp);
613 if (r)
614 goto err_runtime_put;
615
616 r = hdmi4_cec_init(hdmi->pdev, &hdmi->core, &hdmi->wp);
617 if (r)
618 goto err_pll_uninit;
619
620 r = hdmi_audio_register(hdmi);
621 if (r) {
622 DSSERR("Registering HDMI audio failed\n");
623 goto err_cec_uninit;
624 }
625
626 hdmi->debugfs = dss_debugfs_create_file(dss, "hdmi", hdmi_dump_regs,
627 hdmi);
628
629 hdmi_runtime_put(hdmi);
630
631 return 0;
632
633err_cec_uninit:
634 hdmi4_cec_uninit(&hdmi->core);
635err_pll_uninit:
636 hdmi_pll_uninit(&hdmi->pll);
637err_runtime_put:
638 hdmi_runtime_put(hdmi);
639 return r;
640}
641
642static void hdmi4_unbind(struct device *dev, struct device *master, void *data)
643{
644 struct omap_hdmi *hdmi = dev_get_drvdata(dev);
645
646 dss_debugfs_remove_file(hdmi->debugfs);
647
648 if (hdmi->audio_pdev)
649 platform_device_unregister(hdmi->audio_pdev);
650
651 hdmi4_cec_uninit(&hdmi->core);
652 hdmi_pll_uninit(&hdmi->pll);
653}
654
655static const struct component_ops hdmi4_component_ops = {
656 .bind = hdmi4_bind,
657 .unbind = hdmi4_unbind,
658};
659
660
661
662
663
664static int hdmi4_init_output(struct omap_hdmi *hdmi)
665{
666 struct omap_dss_device *out = &hdmi->output;
667 int r;
668
669 out->dev = &hdmi->pdev->dev;
670 out->id = OMAP_DSS_OUTPUT_HDMI;
671 out->type = OMAP_DISPLAY_TYPE_HDMI;
672 out->name = "hdmi.0";
673 out->dispc_channel = OMAP_DSS_CHANNEL_DIGIT;
674 out->ops = &hdmi_ops;
675 out->owner = THIS_MODULE;
676 out->of_ports = BIT(0);
677 out->ops_flags = OMAP_DSS_DEVICE_OP_EDID;
678
679 r = omapdss_device_init_output(out);
680 if (r < 0)
681 return r;
682
683 omapdss_device_register(out);
684
685 return 0;
686}
687
688static void hdmi4_uninit_output(struct omap_hdmi *hdmi)
689{
690 struct omap_dss_device *out = &hdmi->output;
691
692 omapdss_device_unregister(out);
693 omapdss_device_cleanup_output(out);
694}
695
696static int hdmi4_probe_of(struct omap_hdmi *hdmi)
697{
698 struct platform_device *pdev = hdmi->pdev;
699 struct device_node *node = pdev->dev.of_node;
700 struct device_node *ep;
701 int r;
702
703 ep = of_graph_get_endpoint_by_regs(node, 0, 0);
704 if (!ep)
705 return 0;
706
707 r = hdmi_parse_lanes_of(pdev, ep, &hdmi->phy);
708 of_node_put(ep);
709 return r;
710}
711
712static int hdmi4_probe(struct platform_device *pdev)
713{
714 struct omap_hdmi *hdmi;
715 int irq;
716 int r;
717
718 hdmi = kzalloc(sizeof(*hdmi), GFP_KERNEL);
719 if (!hdmi)
720 return -ENOMEM;
721
722 hdmi->pdev = pdev;
723
724 dev_set_drvdata(&pdev->dev, hdmi);
725
726 mutex_init(&hdmi->lock);
727 spin_lock_init(&hdmi->audio_playing_lock);
728
729 r = hdmi4_probe_of(hdmi);
730 if (r)
731 goto err_free;
732
733 r = hdmi_wp_init(pdev, &hdmi->wp, 4);
734 if (r)
735 goto err_free;
736
737 r = hdmi_phy_init(pdev, &hdmi->phy, 4);
738 if (r)
739 goto err_free;
740
741 r = hdmi4_core_init(pdev, &hdmi->core);
742 if (r)
743 goto err_free;
744
745 irq = platform_get_irq(pdev, 0);
746 if (irq < 0) {
747 DSSERR("platform_get_irq failed\n");
748 r = -ENODEV;
749 goto err_free;
750 }
751
752 r = devm_request_threaded_irq(&pdev->dev, irq,
753 NULL, hdmi_irq_handler,
754 IRQF_ONESHOT, "OMAP HDMI", hdmi);
755 if (r) {
756 DSSERR("HDMI IRQ request failed\n");
757 goto err_free;
758 }
759
760 hdmi->vdda_reg = devm_regulator_get(&pdev->dev, "vdda");
761 if (IS_ERR(hdmi->vdda_reg)) {
762 r = PTR_ERR(hdmi->vdda_reg);
763 if (r != -EPROBE_DEFER)
764 DSSERR("can't get VDDA regulator\n");
765 goto err_free;
766 }
767
768 pm_runtime_enable(&pdev->dev);
769
770 r = hdmi4_init_output(hdmi);
771 if (r)
772 goto err_pm_disable;
773
774 r = component_add(&pdev->dev, &hdmi4_component_ops);
775 if (r)
776 goto err_uninit_output;
777
778 return 0;
779
780err_uninit_output:
781 hdmi4_uninit_output(hdmi);
782err_pm_disable:
783 pm_runtime_disable(&pdev->dev);
784err_free:
785 kfree(hdmi);
786 return r;
787}
788
789static int hdmi4_remove(struct platform_device *pdev)
790{
791 struct omap_hdmi *hdmi = platform_get_drvdata(pdev);
792
793 component_del(&pdev->dev, &hdmi4_component_ops);
794
795 hdmi4_uninit_output(hdmi);
796
797 pm_runtime_disable(&pdev->dev);
798
799 kfree(hdmi);
800 return 0;
801}
802
803static const struct of_device_id hdmi_of_match[] = {
804 { .compatible = "ti,omap4-hdmi", },
805 {},
806};
807
808struct platform_driver omapdss_hdmi4hw_driver = {
809 .probe = hdmi4_probe,
810 .remove = hdmi4_remove,
811 .driver = {
812 .name = "omapdss_hdmi",
813 .of_match_table = hdmi_of_match,
814 .suppress_bind_attrs = true,
815 },
816};
817
