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13
14#define DSS_SUBSYS_NAME "HDMI"
15
16#include <linux/kernel.h>
17#include <linux/module.h>
18#include <linux/err.h>
19#include <linux/io.h>
20#include <linux/interrupt.h>
21#include <linux/mutex.h>
22#include <linux/delay.h>
23#include <linux/string.h>
24#include <linux/platform_device.h>
25#include <linux/pm_runtime.h>
26#include <linux/clk.h>
27#include <linux/regulator/consumer.h>
28#include <linux/component.h>
29#include <linux/of.h>
30#include <linux/of_graph.h>
31#include <sound/omap-hdmi-audio.h>
32
33#include <drm/drm_atomic.h>
34#include <drm/drm_atomic_state_helper.h>
35
36#include "omapdss.h"
37#include "hdmi5_core.h"
38#include "dss.h"
39
40static int hdmi_runtime_get(struct omap_hdmi *hdmi)
41{
42 int r;
43
44 DSSDBG("hdmi_runtime_get\n");
45
46 r = pm_runtime_get_sync(&hdmi->pdev->dev);
47 if (WARN_ON(r < 0)) {
48 pm_runtime_put_noidle(&hdmi->pdev->dev);
49 return r;
50 }
51 return 0;
52}
53
54static void hdmi_runtime_put(struct omap_hdmi *hdmi)
55{
56 int r;
57
58 DSSDBG("hdmi_runtime_put\n");
59
60 r = pm_runtime_put_sync(&hdmi->pdev->dev);
61 WARN_ON(r < 0 && r != -ENOSYS);
62}
63
64static irqreturn_t hdmi_irq_handler(int irq, void *data)
65{
66 struct omap_hdmi *hdmi = data;
67 struct hdmi_wp_data *wp = &hdmi->wp;
68 u32 irqstatus;
69
70 irqstatus = hdmi_wp_get_irqstatus(wp);
71 hdmi_wp_set_irqstatus(wp, irqstatus);
72
73 if ((irqstatus & HDMI_IRQ_LINK_CONNECT) &&
74 irqstatus & HDMI_IRQ_LINK_DISCONNECT) {
75 u32 v;
76
77
78
79
80
81
82
83 hdmi_wp_set_phy_pwr(wp, HDMI_PHYPWRCMD_OFF);
84
85
86
87
88
89
90 v = hdmi_read_reg(hdmi->phy.base, HDMI_TXPHY_PAD_CFG_CTRL);
91 v = FLD_MOD(v, 1, 15, 15);
92 v = FLD_MOD(v, 0, 14, 7);
93 hdmi_write_reg(hdmi->phy.base, HDMI_TXPHY_PAD_CFG_CTRL, v);
94
95 hdmi_wp_set_irqstatus(wp, HDMI_IRQ_LINK_CONNECT |
96 HDMI_IRQ_LINK_DISCONNECT);
97
98 hdmi_wp_set_phy_pwr(wp, HDMI_PHYPWRCMD_LDOON);
99
100 REG_FLD_MOD(hdmi->phy.base, HDMI_TXPHY_PAD_CFG_CTRL, 0, 15, 15);
101
102 } else if (irqstatus & HDMI_IRQ_LINK_CONNECT) {
103 hdmi_wp_set_phy_pwr(wp, HDMI_PHYPWRCMD_TXON);
104 } else if (irqstatus & HDMI_IRQ_LINK_DISCONNECT) {
105 hdmi_wp_set_phy_pwr(wp, HDMI_PHYPWRCMD_LDOON);
106 }
107
108 return IRQ_HANDLED;
109}
110
111static int hdmi_power_on_core(struct omap_hdmi *hdmi)
112{
113 int r;
114
115 r = regulator_enable(hdmi->vdda_reg);
116 if (r)
117 return r;
118
119 r = hdmi_runtime_get(hdmi);
120 if (r)
121 goto err_runtime_get;
122
123
124 dss_select_hdmi_venc_clk_source(hdmi->dss, DSS_HDMI_M_PCLK);
125
126 hdmi->core_enabled = true;
127
128 return 0;
129
130err_runtime_get:
131 regulator_disable(hdmi->vdda_reg);
132
133 return r;
134}
135
136static void hdmi_power_off_core(struct omap_hdmi *hdmi)
137{
138 hdmi->core_enabled = false;
139
140 hdmi_runtime_put(hdmi);
141 regulator_disable(hdmi->vdda_reg);
142}
143
144static int hdmi_power_on_full(struct omap_hdmi *hdmi)
145{
146 int r;
147 const struct videomode *vm;
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 vm = &hdmi->cfg.vm;
156
157 DSSDBG("hdmi_power_on hactive= %d vactive = %d\n", vm->hactive,
158 vm->vactive);
159
160 pc = vm->pixelclock;
161 if (vm->flags & DISPLAY_FLAGS_DOUBLECLK)
162 pc *= 2;
163
164
165 pc *= 10;
166
167 dss_pll_calc_b(&hdmi->pll.pll, clk_get_rate(hdmi->pll.pll.clkin),
168 pc, &hdmi_cinfo);
169
170
171 hdmi_wp_clear_irqenable(&hdmi->wp, 0xffffffff);
172 hdmi_wp_set_irqstatus(&hdmi->wp,
173 hdmi_wp_get_irqstatus(&hdmi->wp));
174
175 r = dss_pll_enable(&hdmi->pll.pll);
176 if (r) {
177 DSSERR("Failed to enable PLL\n");
178 goto err_pll_enable;
179 }
180
181 r = dss_pll_set_config(&hdmi->pll.pll, &hdmi_cinfo);
182 if (r) {
183 DSSERR("Failed to configure PLL\n");
184 goto err_pll_cfg;
185 }
186
187 r = hdmi_phy_configure(&hdmi->phy, hdmi_cinfo.clkdco,
188 hdmi_cinfo.clkout[0]);
189 if (r) {
190 DSSDBG("Failed to start PHY\n");
191 goto err_phy_cfg;
192 }
193
194 r = hdmi_wp_set_phy_pwr(&hdmi->wp, HDMI_PHYPWRCMD_LDOON);
195 if (r)
196 goto err_phy_pwr;
197
198 hdmi5_configure(&hdmi->core, &hdmi->wp, &hdmi->cfg);
199
200 r = dss_mgr_enable(&hdmi->output);
201 if (r)
202 goto err_mgr_enable;
203
204 r = hdmi_wp_video_start(&hdmi->wp);
205 if (r)
206 goto err_vid_enable;
207
208 hdmi_wp_set_irqenable(&hdmi->wp,
209 HDMI_IRQ_LINK_CONNECT | HDMI_IRQ_LINK_DISCONNECT);
210
211 return 0;
212
213err_vid_enable:
214 dss_mgr_disable(&hdmi->output);
215err_mgr_enable:
216 hdmi_wp_set_phy_pwr(&hdmi->wp, HDMI_PHYPWRCMD_OFF);
217err_phy_pwr:
218err_phy_cfg:
219err_pll_cfg:
220 dss_pll_disable(&hdmi->pll.pll);
221err_pll_enable:
222 hdmi_power_off_core(hdmi);
223 return -EIO;
224}
225
226static void hdmi_power_off_full(struct omap_hdmi *hdmi)
227{
228 hdmi_wp_clear_irqenable(&hdmi->wp, 0xffffffff);
229
230 hdmi_wp_video_stop(&hdmi->wp);
231
232 dss_mgr_disable(&hdmi->output);
233
234 hdmi_wp_set_phy_pwr(&hdmi->wp, HDMI_PHYPWRCMD_OFF);
235
236 dss_pll_disable(&hdmi->pll.pll);
237
238 hdmi_power_off_core(hdmi);
239}
240
241static int hdmi_dump_regs(struct seq_file *s, void *p)
242{
243 struct omap_hdmi *hdmi = s->private;
244
245 mutex_lock(&hdmi->lock);
246
247 if (hdmi_runtime_get(hdmi)) {
248 mutex_unlock(&hdmi->lock);
249 return 0;
250 }
251
252 hdmi_wp_dump(&hdmi->wp, s);
253 hdmi_pll_dump(&hdmi->pll, s);
254 hdmi_phy_dump(&hdmi->phy, s);
255 hdmi5_core_dump(&hdmi->core, s);
256
257 hdmi_runtime_put(hdmi);
258 mutex_unlock(&hdmi->lock);
259 return 0;
260}
261
262static void hdmi_start_audio_stream(struct omap_hdmi *hd)
263{
264 REG_FLD_MOD(hd->wp.base, HDMI_WP_SYSCONFIG, 1, 3, 2);
265 hdmi_wp_audio_enable(&hd->wp, true);
266 hdmi_wp_audio_core_req_enable(&hd->wp, true);
267}
268
269static void hdmi_stop_audio_stream(struct omap_hdmi *hd)
270{
271 hdmi_wp_audio_core_req_enable(&hd->wp, false);
272 hdmi_wp_audio_enable(&hd->wp, false);
273 REG_FLD_MOD(hd->wp.base, HDMI_WP_SYSCONFIG, hd->wp_idlemode, 3, 2);
274}
275
276static int hdmi_core_enable(struct omap_hdmi *hdmi)
277{
278 int r = 0;
279
280 DSSDBG("ENTER omapdss_hdmi_core_enable\n");
281
282 mutex_lock(&hdmi->lock);
283
284 r = hdmi_power_on_core(hdmi);
285 if (r) {
286 DSSERR("failed to power on device\n");
287 goto err0;
288 }
289
290 mutex_unlock(&hdmi->lock);
291 return 0;
292
293err0:
294 mutex_unlock(&hdmi->lock);
295 return r;
296}
297
298static void hdmi_core_disable(struct omap_hdmi *hdmi)
299{
300 DSSDBG("Enter omapdss_hdmi_core_disable\n");
301
302 mutex_lock(&hdmi->lock);
303
304 hdmi_power_off_core(hdmi);
305
306 mutex_unlock(&hdmi->lock);
307}
308
309
310
311
312
313static int hdmi5_bridge_attach(struct drm_bridge *bridge,
314 enum drm_bridge_attach_flags flags)
315{
316 struct omap_hdmi *hdmi = drm_bridge_to_hdmi(bridge);
317
318 if (!(flags & DRM_BRIDGE_ATTACH_NO_CONNECTOR))
319 return -EINVAL;
320
321 return drm_bridge_attach(bridge->encoder, hdmi->output.next_bridge,
322 bridge, flags);
323}
324
325static void hdmi5_bridge_mode_set(struct drm_bridge *bridge,
326 const struct drm_display_mode *mode,
327 const struct drm_display_mode *adjusted_mode)
328{
329 struct omap_hdmi *hdmi = drm_bridge_to_hdmi(bridge);
330
331 mutex_lock(&hdmi->lock);
332
333 drm_display_mode_to_videomode(adjusted_mode, &hdmi->cfg.vm);
334
335 dispc_set_tv_pclk(hdmi->dss->dispc, adjusted_mode->clock * 1000);
336
337 mutex_unlock(&hdmi->lock);
338}
339
340static void hdmi5_bridge_enable(struct drm_bridge *bridge,
341 struct drm_bridge_state *bridge_state)
342{
343 struct omap_hdmi *hdmi = drm_bridge_to_hdmi(bridge);
344 struct drm_atomic_state *state = bridge_state->base.state;
345 struct drm_connector_state *conn_state;
346 struct drm_connector *connector;
347 struct drm_crtc_state *crtc_state;
348 unsigned long flags;
349 int ret;
350
351
352
353
354
355 connector = drm_atomic_get_new_connector_for_encoder(state,
356 bridge->encoder);
357 if (WARN_ON(!connector))
358 return;
359 conn_state = drm_atomic_get_new_connector_state(state, connector);
360 if (WARN_ON(!conn_state))
361 return;
362 crtc_state = drm_atomic_get_new_crtc_state(state, conn_state->crtc);
363 if (WARN_ON(!crtc_state))
364 return;
365
366 hdmi->cfg.hdmi_dvi_mode = connector->display_info.is_hdmi
367 ? HDMI_HDMI : HDMI_DVI;
368
369 if (connector->display_info.is_hdmi) {
370 const struct drm_display_mode *mode;
371 struct hdmi_avi_infoframe avi;
372
373 mode = &crtc_state->adjusted_mode;
374 ret = drm_hdmi_avi_infoframe_from_display_mode(&avi, connector,
375 mode);
376 if (ret == 0)
377 hdmi->cfg.infoframe = avi;
378 }
379
380 mutex_lock(&hdmi->lock);
381
382 ret = hdmi_power_on_full(hdmi);
383 if (ret) {
384 DSSERR("failed to power on device\n");
385 goto done;
386 }
387
388 if (hdmi->audio_configured) {
389 ret = hdmi5_audio_config(&hdmi->core, &hdmi->wp,
390 &hdmi->audio_config,
391 hdmi->cfg.vm.pixelclock);
392 if (ret) {
393 DSSERR("Error restoring audio configuration: %d", ret);
394 hdmi->audio_abort_cb(&hdmi->pdev->dev);
395 hdmi->audio_configured = false;
396 }
397 }
398
399 spin_lock_irqsave(&hdmi->audio_playing_lock, flags);
400 if (hdmi->audio_configured && hdmi->audio_playing)
401 hdmi_start_audio_stream(hdmi);
402 hdmi->display_enabled = true;
403 spin_unlock_irqrestore(&hdmi->audio_playing_lock, flags);
404
405done:
406 mutex_unlock(&hdmi->lock);
407}
408
409static void hdmi5_bridge_disable(struct drm_bridge *bridge,
410 struct drm_bridge_state *bridge_state)
411{
412 struct omap_hdmi *hdmi = drm_bridge_to_hdmi(bridge);
413 unsigned long flags;
414
415 mutex_lock(&hdmi->lock);
416
417 spin_lock_irqsave(&hdmi->audio_playing_lock, flags);
418 hdmi_stop_audio_stream(hdmi);
419 hdmi->display_enabled = false;
420 spin_unlock_irqrestore(&hdmi->audio_playing_lock, flags);
421
422 hdmi_power_off_full(hdmi);
423
424 mutex_unlock(&hdmi->lock);
425}
426
427static struct edid *hdmi5_bridge_get_edid(struct drm_bridge *bridge,
428 struct drm_connector *connector)
429{
430 struct omap_hdmi *hdmi = drm_bridge_to_hdmi(bridge);
431 struct edid *edid;
432 bool need_enable;
433 int idlemode;
434 int r;
435
436 need_enable = hdmi->core_enabled == false;
437
438 if (need_enable) {
439 r = hdmi_core_enable(hdmi);
440 if (r)
441 return NULL;
442 }
443
444 mutex_lock(&hdmi->lock);
445 r = hdmi_runtime_get(hdmi);
446 BUG_ON(r);
447
448 idlemode = REG_GET(hdmi->wp.base, HDMI_WP_SYSCONFIG, 3, 2);
449
450 REG_FLD_MOD(hdmi->wp.base, HDMI_WP_SYSCONFIG, 1, 3, 2);
451
452 hdmi5_core_ddc_init(&hdmi->core);
453
454 edid = drm_do_get_edid(connector, hdmi5_core_ddc_read, &hdmi->core);
455
456 hdmi5_core_ddc_uninit(&hdmi->core);
457
458 REG_FLD_MOD(hdmi->wp.base, HDMI_WP_SYSCONFIG, idlemode, 3, 2);
459
460 hdmi_runtime_put(hdmi);
461 mutex_unlock(&hdmi->lock);
462
463 if (need_enable)
464 hdmi_core_disable(hdmi);
465
466 return (struct edid *)edid;
467}
468
469static const struct drm_bridge_funcs hdmi5_bridge_funcs = {
470 .attach = hdmi5_bridge_attach,
471 .mode_set = hdmi5_bridge_mode_set,
472 .atomic_duplicate_state = drm_atomic_helper_bridge_duplicate_state,
473 .atomic_destroy_state = drm_atomic_helper_bridge_destroy_state,
474 .atomic_reset = drm_atomic_helper_bridge_reset,
475 .atomic_enable = hdmi5_bridge_enable,
476 .atomic_disable = hdmi5_bridge_disable,
477 .get_edid = hdmi5_bridge_get_edid,
478};
479
480static void hdmi5_bridge_init(struct omap_hdmi *hdmi)
481{
482 hdmi->bridge.funcs = &hdmi5_bridge_funcs;
483 hdmi->bridge.of_node = hdmi->pdev->dev.of_node;
484 hdmi->bridge.ops = DRM_BRIDGE_OP_EDID;
485 hdmi->bridge.type = DRM_MODE_CONNECTOR_HDMIA;
486
487 drm_bridge_add(&hdmi->bridge);
488}
489
490static void hdmi5_bridge_cleanup(struct omap_hdmi *hdmi)
491{
492 drm_bridge_remove(&hdmi->bridge);
493}
494
495
496
497
498
499static int hdmi_audio_startup(struct device *dev,
500 void (*abort_cb)(struct device *dev))
501{
502 struct omap_hdmi *hd = dev_get_drvdata(dev);
503
504 mutex_lock(&hd->lock);
505
506 WARN_ON(hd->audio_abort_cb != NULL);
507
508 hd->audio_abort_cb = abort_cb;
509
510 mutex_unlock(&hd->lock);
511
512 return 0;
513}
514
515static int hdmi_audio_shutdown(struct device *dev)
516{
517 struct omap_hdmi *hd = dev_get_drvdata(dev);
518
519 mutex_lock(&hd->lock);
520 hd->audio_abort_cb = NULL;
521 hd->audio_configured = false;
522 hd->audio_playing = false;
523 mutex_unlock(&hd->lock);
524
525 return 0;
526}
527
528static int hdmi_audio_start(struct device *dev)
529{
530 struct omap_hdmi *hd = dev_get_drvdata(dev);
531 unsigned long flags;
532
533 spin_lock_irqsave(&hd->audio_playing_lock, flags);
534
535 if (hd->display_enabled) {
536 if (!hdmi_mode_has_audio(&hd->cfg))
537 DSSERR("%s: Video mode does not support audio\n",
538 __func__);
539 hdmi_start_audio_stream(hd);
540 }
541 hd->audio_playing = true;
542
543 spin_unlock_irqrestore(&hd->audio_playing_lock, flags);
544 return 0;
545}
546
547static void hdmi_audio_stop(struct device *dev)
548{
549 struct omap_hdmi *hd = dev_get_drvdata(dev);
550 unsigned long flags;
551
552 if (!hdmi_mode_has_audio(&hd->cfg))
553 DSSERR("%s: Video mode does not support audio\n", __func__);
554
555 spin_lock_irqsave(&hd->audio_playing_lock, flags);
556
557 if (hd->display_enabled)
558 hdmi_stop_audio_stream(hd);
559 hd->audio_playing = false;
560
561 spin_unlock_irqrestore(&hd->audio_playing_lock, flags);
562}
563
564static int hdmi_audio_config(struct device *dev,
565 struct omap_dss_audio *dss_audio)
566{
567 struct omap_hdmi *hd = dev_get_drvdata(dev);
568 int ret = 0;
569
570 mutex_lock(&hd->lock);
571
572 if (hd->display_enabled) {
573 ret = hdmi5_audio_config(&hd->core, &hd->wp, dss_audio,
574 hd->cfg.vm.pixelclock);
575 if (ret)
576 goto out;
577 }
578
579 hd->audio_configured = true;
580 hd->audio_config = *dss_audio;
581out:
582 mutex_unlock(&hd->lock);
583
584 return ret;
585}
586
587static const struct omap_hdmi_audio_ops hdmi_audio_ops = {
588 .audio_startup = hdmi_audio_startup,
589 .audio_shutdown = hdmi_audio_shutdown,
590 .audio_start = hdmi_audio_start,
591 .audio_stop = hdmi_audio_stop,
592 .audio_config = hdmi_audio_config,
593};
594
595static int hdmi_audio_register(struct omap_hdmi *hdmi)
596{
597 struct omap_hdmi_audio_pdata pdata = {
598 .dev = &hdmi->pdev->dev,
599 .version = 5,
600 .audio_dma_addr = hdmi_wp_get_audio_dma_addr(&hdmi->wp),
601 .ops = &hdmi_audio_ops,
602 };
603
604 hdmi->audio_pdev = platform_device_register_data(
605 &hdmi->pdev->dev, "omap-hdmi-audio", PLATFORM_DEVID_AUTO,
606 &pdata, sizeof(pdata));
607
608 if (IS_ERR(hdmi->audio_pdev))
609 return PTR_ERR(hdmi->audio_pdev);
610
611 hdmi_runtime_get(hdmi);
612 hdmi->wp_idlemode =
613 REG_GET(hdmi->wp.base, HDMI_WP_SYSCONFIG, 3, 2);
614 hdmi_runtime_put(hdmi);
615
616 return 0;
617}
618
619
620
621
622
623static int hdmi5_bind(struct device *dev, struct device *master, void *data)
624{
625 struct dss_device *dss = dss_get_device(master);
626 struct omap_hdmi *hdmi = dev_get_drvdata(dev);
627 int r;
628
629 hdmi->dss = dss;
630
631 r = hdmi_pll_init(dss, hdmi->pdev, &hdmi->pll, &hdmi->wp);
632 if (r)
633 return r;
634
635 r = hdmi_audio_register(hdmi);
636 if (r) {
637 DSSERR("Registering HDMI audio failed %d\n", r);
638 goto err_pll_uninit;
639 }
640
641 hdmi->debugfs = dss_debugfs_create_file(dss, "hdmi", hdmi_dump_regs,
642 hdmi);
643
644 return 0;
645
646err_pll_uninit:
647 hdmi_pll_uninit(&hdmi->pll);
648 return r;
649}
650
651static void hdmi5_unbind(struct device *dev, struct device *master, void *data)
652{
653 struct omap_hdmi *hdmi = dev_get_drvdata(dev);
654
655 dss_debugfs_remove_file(hdmi->debugfs);
656
657 if (hdmi->audio_pdev)
658 platform_device_unregister(hdmi->audio_pdev);
659
660 hdmi_pll_uninit(&hdmi->pll);
661}
662
663static const struct component_ops hdmi5_component_ops = {
664 .bind = hdmi5_bind,
665 .unbind = hdmi5_unbind,
666};
667
668
669
670
671
672static int hdmi5_init_output(struct omap_hdmi *hdmi)
673{
674 struct omap_dss_device *out = &hdmi->output;
675 int r;
676
677 hdmi5_bridge_init(hdmi);
678
679 out->dev = &hdmi->pdev->dev;
680 out->id = OMAP_DSS_OUTPUT_HDMI;
681 out->type = OMAP_DISPLAY_TYPE_HDMI;
682 out->name = "hdmi.0";
683 out->dispc_channel = OMAP_DSS_CHANNEL_DIGIT;
684 out->of_port = 0;
685
686 r = omapdss_device_init_output(out, &hdmi->bridge);
687 if (r < 0) {
688 hdmi5_bridge_cleanup(hdmi);
689 return r;
690 }
691
692 omapdss_device_register(out);
693
694 return 0;
695}
696
697static void hdmi5_uninit_output(struct omap_hdmi *hdmi)
698{
699 struct omap_dss_device *out = &hdmi->output;
700
701 omapdss_device_unregister(out);
702 omapdss_device_cleanup_output(out);
703
704 hdmi5_bridge_cleanup(hdmi);
705}
706
707static int hdmi5_probe_of(struct omap_hdmi *hdmi)
708{
709 struct platform_device *pdev = hdmi->pdev;
710 struct device_node *node = pdev->dev.of_node;
711 struct device_node *ep;
712 int r;
713
714 ep = of_graph_get_endpoint_by_regs(node, 0, 0);
715 if (!ep)
716 return 0;
717
718 r = hdmi_parse_lanes_of(pdev, ep, &hdmi->phy);
719 of_node_put(ep);
720 return r;
721}
722
723static int hdmi5_probe(struct platform_device *pdev)
724{
725 struct omap_hdmi *hdmi;
726 int irq;
727 int r;
728
729 hdmi = kzalloc(sizeof(*hdmi), GFP_KERNEL);
730 if (!hdmi)
731 return -ENOMEM;
732
733 hdmi->pdev = pdev;
734
735 dev_set_drvdata(&pdev->dev, hdmi);
736
737 mutex_init(&hdmi->lock);
738 spin_lock_init(&hdmi->audio_playing_lock);
739
740 r = hdmi5_probe_of(hdmi);
741 if (r)
742 goto err_free;
743
744 r = hdmi_wp_init(pdev, &hdmi->wp, 5);
745 if (r)
746 goto err_free;
747
748 r = hdmi_phy_init(pdev, &hdmi->phy, 5);
749 if (r)
750 goto err_free;
751
752 r = hdmi5_core_init(pdev, &hdmi->core);
753 if (r)
754 goto err_free;
755
756 irq = platform_get_irq(pdev, 0);
757 if (irq < 0) {
758 DSSERR("platform_get_irq failed\n");
759 r = -ENODEV;
760 goto err_free;
761 }
762
763 r = devm_request_threaded_irq(&pdev->dev, irq,
764 NULL, hdmi_irq_handler,
765 IRQF_ONESHOT, "OMAP HDMI", hdmi);
766 if (r) {
767 DSSERR("HDMI IRQ request failed\n");
768 goto err_free;
769 }
770
771 hdmi->vdda_reg = devm_regulator_get(&pdev->dev, "vdda");
772 if (IS_ERR(hdmi->vdda_reg)) {
773 r = PTR_ERR(hdmi->vdda_reg);
774 if (r != -EPROBE_DEFER)
775 DSSERR("can't get VDDA regulator\n");
776 goto err_free;
777 }
778
779 pm_runtime_enable(&pdev->dev);
780
781 r = hdmi5_init_output(hdmi);
782 if (r)
783 goto err_pm_disable;
784
785 r = component_add(&pdev->dev, &hdmi5_component_ops);
786 if (r)
787 goto err_uninit_output;
788
789 return 0;
790
791err_uninit_output:
792 hdmi5_uninit_output(hdmi);
793err_pm_disable:
794 pm_runtime_disable(&pdev->dev);
795err_free:
796 kfree(hdmi);
797 return r;
798}
799
800static int hdmi5_remove(struct platform_device *pdev)
801{
802 struct omap_hdmi *hdmi = platform_get_drvdata(pdev);
803
804 component_del(&pdev->dev, &hdmi5_component_ops);
805
806 hdmi5_uninit_output(hdmi);
807
808 pm_runtime_disable(&pdev->dev);
809
810 kfree(hdmi);
811 return 0;
812}
813
814static const struct of_device_id hdmi_of_match[] = {
815 { .compatible = "ti,omap5-hdmi", },
816 { .compatible = "ti,dra7-hdmi", },
817 {},
818};
819
820struct platform_driver omapdss_hdmi5hw_driver = {
821 .probe = hdmi5_probe,
822 .remove = hdmi5_remove,
823 .driver = {
824 .name = "omapdss_hdmi5",
825 .of_match_table = hdmi_of_match,
826 .suppress_bind_attrs = true,
827 },
828};
829
