xref: /openbmc/linux/drivers/gpu/drm/msm/hdmi/hdmi.c (revision 8ede5890)
1 // SPDX-License-Identifier: GPL-2.0-only
2 /*
3  * Copyright (c) 2014 The Linux Foundation. All rights reserved.
4  * Copyright (C) 2013 Red Hat
5  * Author: Rob Clark <robdclark@gmail.com>
6  */
7 
8 #include <linux/of_irq.h>
9 #include <linux/of_gpio.h>
10 
11 #include <drm/drm_bridge_connector.h>
12 
13 #include <sound/hdmi-codec.h>
14 #include "hdmi.h"
15 
16 void msm_hdmi_set_mode(struct hdmi *hdmi, bool power_on)
17 {
18 	uint32_t ctrl = 0;
19 	unsigned long flags;
20 
21 	spin_lock_irqsave(&hdmi->reg_lock, flags);
22 	if (power_on) {
23 		ctrl |= HDMI_CTRL_ENABLE;
24 		if (!hdmi->hdmi_mode) {
25 			ctrl |= HDMI_CTRL_HDMI;
26 			hdmi_write(hdmi, REG_HDMI_CTRL, ctrl);
27 			ctrl &= ~HDMI_CTRL_HDMI;
28 		} else {
29 			ctrl |= HDMI_CTRL_HDMI;
30 		}
31 	} else {
32 		ctrl = HDMI_CTRL_HDMI;
33 	}
34 
35 	hdmi_write(hdmi, REG_HDMI_CTRL, ctrl);
36 	spin_unlock_irqrestore(&hdmi->reg_lock, flags);
37 	DBG("HDMI Core: %s, HDMI_CTRL=0x%08x",
38 			power_on ? "Enable" : "Disable", ctrl);
39 }
40 
41 static irqreturn_t msm_hdmi_irq(int irq, void *dev_id)
42 {
43 	struct hdmi *hdmi = dev_id;
44 
45 	/* Process HPD: */
46 	msm_hdmi_hpd_irq(hdmi->bridge);
47 
48 	/* Process DDC: */
49 	msm_hdmi_i2c_irq(hdmi->i2c);
50 
51 	/* Process HDCP: */
52 	if (hdmi->hdcp_ctrl)
53 		msm_hdmi_hdcp_irq(hdmi->hdcp_ctrl);
54 
55 	/* TODO audio.. */
56 
57 	return IRQ_HANDLED;
58 }
59 
60 static void msm_hdmi_destroy(struct hdmi *hdmi)
61 {
62 	/*
63 	 * at this point, hpd has been disabled,
64 	 * after flush workq, it's safe to deinit hdcp
65 	 */
66 	if (hdmi->workq)
67 		destroy_workqueue(hdmi->workq);
68 	msm_hdmi_hdcp_destroy(hdmi);
69 
70 	if (hdmi->phy_dev) {
71 		put_device(hdmi->phy_dev);
72 		hdmi->phy = NULL;
73 		hdmi->phy_dev = NULL;
74 	}
75 
76 	if (hdmi->i2c)
77 		msm_hdmi_i2c_destroy(hdmi->i2c);
78 
79 	platform_set_drvdata(hdmi->pdev, NULL);
80 }
81 
82 static int msm_hdmi_get_phy(struct hdmi *hdmi)
83 {
84 	struct platform_device *pdev = hdmi->pdev;
85 	struct platform_device *phy_pdev;
86 	struct device_node *phy_node;
87 
88 	phy_node = of_parse_phandle(pdev->dev.of_node, "phys", 0);
89 	if (!phy_node) {
90 		DRM_DEV_ERROR(&pdev->dev, "cannot find phy device\n");
91 		return -ENXIO;
92 	}
93 
94 	phy_pdev = of_find_device_by_node(phy_node);
95 	if (phy_pdev)
96 		hdmi->phy = platform_get_drvdata(phy_pdev);
97 
98 	of_node_put(phy_node);
99 
100 	if (!phy_pdev || !hdmi->phy) {
101 		DRM_DEV_ERROR(&pdev->dev, "phy driver is not ready\n");
102 		return -EPROBE_DEFER;
103 	}
104 
105 	hdmi->phy_dev = get_device(&phy_pdev->dev);
106 
107 	return 0;
108 }
109 
110 /* construct hdmi at bind/probe time, grab all the resources.  If
111  * we are to EPROBE_DEFER we want to do it here, rather than later
112  * at modeset_init() time
113  */
114 static struct hdmi *msm_hdmi_init(struct platform_device *pdev)
115 {
116 	struct hdmi_platform_config *config = pdev->dev.platform_data;
117 	struct hdmi *hdmi = NULL;
118 	struct resource *res;
119 	int i, ret;
120 
121 	hdmi = devm_kzalloc(&pdev->dev, sizeof(*hdmi), GFP_KERNEL);
122 	if (!hdmi) {
123 		ret = -ENOMEM;
124 		goto fail;
125 	}
126 
127 	hdmi->pdev = pdev;
128 	hdmi->config = config;
129 	spin_lock_init(&hdmi->reg_lock);
130 
131 	hdmi->mmio = msm_ioremap(pdev, config->mmio_name, "HDMI");
132 	if (IS_ERR(hdmi->mmio)) {
133 		ret = PTR_ERR(hdmi->mmio);
134 		goto fail;
135 	}
136 
137 	/* HDCP needs physical address of hdmi register */
138 	res = platform_get_resource_byname(pdev, IORESOURCE_MEM,
139 		config->mmio_name);
140 	hdmi->mmio_phy_addr = res->start;
141 
142 	hdmi->qfprom_mmio = msm_ioremap(pdev,
143 		config->qfprom_mmio_name, "HDMI_QFPROM");
144 	if (IS_ERR(hdmi->qfprom_mmio)) {
145 		DRM_DEV_INFO(&pdev->dev, "can't find qfprom resource\n");
146 		hdmi->qfprom_mmio = NULL;
147 	}
148 
149 	hdmi->hpd_regs = devm_kcalloc(&pdev->dev,
150 				      config->hpd_reg_cnt,
151 				      sizeof(hdmi->hpd_regs[0]),
152 				      GFP_KERNEL);
153 	if (!hdmi->hpd_regs) {
154 		ret = -ENOMEM;
155 		goto fail;
156 	}
157 	for (i = 0; i < config->hpd_reg_cnt; i++)
158 		hdmi->hpd_regs[i].supply = config->hpd_reg_names[i];
159 
160 	ret = devm_regulator_bulk_get(&pdev->dev, config->hpd_reg_cnt, hdmi->hpd_regs);
161 	if (ret) {
162 		DRM_DEV_ERROR(&pdev->dev, "failed to get hpd regulator: %d\n", ret);
163 		goto fail;
164 	}
165 
166 	hdmi->pwr_regs = devm_kcalloc(&pdev->dev,
167 				      config->pwr_reg_cnt,
168 				      sizeof(hdmi->pwr_regs[0]),
169 				      GFP_KERNEL);
170 	if (!hdmi->pwr_regs) {
171 		ret = -ENOMEM;
172 		goto fail;
173 	}
174 
175 	ret = devm_regulator_bulk_get(&pdev->dev, config->pwr_reg_cnt, hdmi->pwr_regs);
176 	if (ret) {
177 		DRM_DEV_ERROR(&pdev->dev, "failed to get pwr regulator: %d\n", ret);
178 		goto fail;
179 	}
180 
181 	hdmi->hpd_clks = devm_kcalloc(&pdev->dev,
182 				      config->hpd_clk_cnt,
183 				      sizeof(hdmi->hpd_clks[0]),
184 				      GFP_KERNEL);
185 	if (!hdmi->hpd_clks) {
186 		ret = -ENOMEM;
187 		goto fail;
188 	}
189 	for (i = 0; i < config->hpd_clk_cnt; i++) {
190 		struct clk *clk;
191 
192 		clk = msm_clk_get(pdev, config->hpd_clk_names[i]);
193 		if (IS_ERR(clk)) {
194 			ret = PTR_ERR(clk);
195 			DRM_DEV_ERROR(&pdev->dev, "failed to get hpd clk: %s (%d)\n",
196 					config->hpd_clk_names[i], ret);
197 			goto fail;
198 		}
199 
200 		hdmi->hpd_clks[i] = clk;
201 	}
202 
203 	hdmi->pwr_clks = devm_kcalloc(&pdev->dev,
204 				      config->pwr_clk_cnt,
205 				      sizeof(hdmi->pwr_clks[0]),
206 				      GFP_KERNEL);
207 	if (!hdmi->pwr_clks) {
208 		ret = -ENOMEM;
209 		goto fail;
210 	}
211 	for (i = 0; i < config->pwr_clk_cnt; i++) {
212 		struct clk *clk;
213 
214 		clk = msm_clk_get(pdev, config->pwr_clk_names[i]);
215 		if (IS_ERR(clk)) {
216 			ret = PTR_ERR(clk);
217 			DRM_DEV_ERROR(&pdev->dev, "failed to get pwr clk: %s (%d)\n",
218 					config->pwr_clk_names[i], ret);
219 			goto fail;
220 		}
221 
222 		hdmi->pwr_clks[i] = clk;
223 	}
224 
225 	pm_runtime_enable(&pdev->dev);
226 
227 	hdmi->workq = alloc_ordered_workqueue("msm_hdmi", 0);
228 
229 	hdmi->i2c = msm_hdmi_i2c_init(hdmi);
230 	if (IS_ERR(hdmi->i2c)) {
231 		ret = PTR_ERR(hdmi->i2c);
232 		DRM_DEV_ERROR(&pdev->dev, "failed to get i2c: %d\n", ret);
233 		hdmi->i2c = NULL;
234 		goto fail;
235 	}
236 
237 	ret = msm_hdmi_get_phy(hdmi);
238 	if (ret) {
239 		DRM_DEV_ERROR(&pdev->dev, "failed to get phy\n");
240 		goto fail;
241 	}
242 
243 	hdmi->hdcp_ctrl = msm_hdmi_hdcp_init(hdmi);
244 	if (IS_ERR(hdmi->hdcp_ctrl)) {
245 		dev_warn(&pdev->dev, "failed to init hdcp: disabled\n");
246 		hdmi->hdcp_ctrl = NULL;
247 	}
248 
249 	return hdmi;
250 
251 fail:
252 	if (hdmi)
253 		msm_hdmi_destroy(hdmi);
254 
255 	return ERR_PTR(ret);
256 }
257 
258 /* Second part of initialization, the drm/kms level modeset_init,
259  * constructs/initializes mode objects, etc, is called from master
260  * driver (not hdmi sub-device's probe/bind!)
261  *
262  * Any resource (regulator/clk/etc) which could be missing at boot
263  * should be handled in msm_hdmi_init() so that failure happens from
264  * hdmi sub-device's probe.
265  */
266 int msm_hdmi_modeset_init(struct hdmi *hdmi,
267 		struct drm_device *dev, struct drm_encoder *encoder)
268 {
269 	struct msm_drm_private *priv = dev->dev_private;
270 	struct platform_device *pdev = hdmi->pdev;
271 	int ret;
272 
273 	hdmi->dev = dev;
274 	hdmi->encoder = encoder;
275 
276 	hdmi_audio_infoframe_init(&hdmi->audio.infoframe);
277 
278 	hdmi->bridge = msm_hdmi_bridge_init(hdmi);
279 	if (IS_ERR(hdmi->bridge)) {
280 		ret = PTR_ERR(hdmi->bridge);
281 		DRM_DEV_ERROR(dev->dev, "failed to create HDMI bridge: %d\n", ret);
282 		hdmi->bridge = NULL;
283 		goto fail;
284 	}
285 
286 	hdmi->connector = drm_bridge_connector_init(hdmi->dev, encoder);
287 	if (IS_ERR(hdmi->connector)) {
288 		ret = PTR_ERR(hdmi->connector);
289 		DRM_DEV_ERROR(dev->dev, "failed to create HDMI connector: %d\n", ret);
290 		hdmi->connector = NULL;
291 		goto fail;
292 	}
293 
294 	drm_connector_attach_encoder(hdmi->connector, hdmi->encoder);
295 
296 	hdmi->irq = irq_of_parse_and_map(pdev->dev.of_node, 0);
297 	if (hdmi->irq < 0) {
298 		ret = hdmi->irq;
299 		DRM_DEV_ERROR(dev->dev, "failed to get irq: %d\n", ret);
300 		goto fail;
301 	}
302 
303 	ret = devm_request_irq(&pdev->dev, hdmi->irq,
304 			msm_hdmi_irq, IRQF_TRIGGER_HIGH | IRQF_ONESHOT,
305 			"hdmi_isr", hdmi);
306 	if (ret < 0) {
307 		DRM_DEV_ERROR(dev->dev, "failed to request IRQ%u: %d\n",
308 				hdmi->irq, ret);
309 		goto fail;
310 	}
311 
312 	drm_bridge_connector_enable_hpd(hdmi->connector);
313 
314 	ret = msm_hdmi_hpd_enable(hdmi->bridge);
315 	if (ret < 0) {
316 		DRM_DEV_ERROR(&hdmi->pdev->dev, "failed to enable HPD: %d\n", ret);
317 		goto fail;
318 	}
319 
320 	priv->bridges[priv->num_bridges++]       = hdmi->bridge;
321 	priv->connectors[priv->num_connectors++] = hdmi->connector;
322 
323 	platform_set_drvdata(pdev, hdmi);
324 
325 	return 0;
326 
327 fail:
328 	/* bridge is normally destroyed by drm: */
329 	if (hdmi->bridge) {
330 		msm_hdmi_bridge_destroy(hdmi->bridge);
331 		hdmi->bridge = NULL;
332 	}
333 	if (hdmi->connector) {
334 		hdmi->connector->funcs->destroy(hdmi->connector);
335 		hdmi->connector = NULL;
336 	}
337 
338 	return ret;
339 }
340 
341 /*
342  * The hdmi device:
343  */
344 
345 #define HDMI_CFG(item, entry) \
346 	.item ## _names = item ##_names_ ## entry, \
347 	.item ## _cnt   = ARRAY_SIZE(item ## _names_ ## entry)
348 
349 static const char *pwr_reg_names_none[] = {};
350 static const char *hpd_reg_names_none[] = {};
351 
352 static struct hdmi_platform_config hdmi_tx_8660_config;
353 
354 static const char *hpd_reg_names_8960[] = {"core-vdda", "hdmi-mux"};
355 static const char *hpd_clk_names_8960[] = {"core", "master_iface", "slave_iface"};
356 
357 static struct hdmi_platform_config hdmi_tx_8960_config = {
358 		HDMI_CFG(hpd_reg, 8960),
359 		HDMI_CFG(hpd_clk, 8960),
360 };
361 
362 static const char *pwr_reg_names_8x74[] = {"core-vdda", "core-vcc"};
363 static const char *hpd_reg_names_8x74[] = {"hpd-gdsc", "hpd-5v"};
364 static const char *pwr_clk_names_8x74[] = {"extp", "alt_iface"};
365 static const char *hpd_clk_names_8x74[] = {"iface", "core", "mdp_core"};
366 static unsigned long hpd_clk_freq_8x74[] = {0, 19200000, 0};
367 
368 static struct hdmi_platform_config hdmi_tx_8974_config = {
369 		HDMI_CFG(pwr_reg, 8x74),
370 		HDMI_CFG(hpd_reg, 8x74),
371 		HDMI_CFG(pwr_clk, 8x74),
372 		HDMI_CFG(hpd_clk, 8x74),
373 		.hpd_freq      = hpd_clk_freq_8x74,
374 };
375 
376 static const char *hpd_reg_names_8084[] = {"hpd-gdsc", "hpd-5v", "hpd-5v-en"};
377 
378 static struct hdmi_platform_config hdmi_tx_8084_config = {
379 		HDMI_CFG(pwr_reg, 8x74),
380 		HDMI_CFG(hpd_reg, 8084),
381 		HDMI_CFG(pwr_clk, 8x74),
382 		HDMI_CFG(hpd_clk, 8x74),
383 		.hpd_freq      = hpd_clk_freq_8x74,
384 };
385 
386 static struct hdmi_platform_config hdmi_tx_8994_config = {
387 		HDMI_CFG(pwr_reg, 8x74),
388 		HDMI_CFG(hpd_reg, none),
389 		HDMI_CFG(pwr_clk, 8x74),
390 		HDMI_CFG(hpd_clk, 8x74),
391 		.hpd_freq      = hpd_clk_freq_8x74,
392 };
393 
394 static struct hdmi_platform_config hdmi_tx_8996_config = {
395 		HDMI_CFG(pwr_reg, none),
396 		HDMI_CFG(hpd_reg, none),
397 		HDMI_CFG(pwr_clk, 8x74),
398 		HDMI_CFG(hpd_clk, 8x74),
399 		.hpd_freq      = hpd_clk_freq_8x74,
400 };
401 
402 static const struct {
403 	const char *name;
404 	const bool output;
405 	const int value;
406 	const char *label;
407 } msm_hdmi_gpio_pdata[] = {
408 	{ "qcom,hdmi-tx-ddc-clk", true, 1, "HDMI_DDC_CLK" },
409 	{ "qcom,hdmi-tx-ddc-data", true, 1, "HDMI_DDC_DATA" },
410 	{ "qcom,hdmi-tx-hpd", false, 1, "HDMI_HPD" },
411 	{ "qcom,hdmi-tx-mux-en", true, 1, "HDMI_MUX_EN" },
412 	{ "qcom,hdmi-tx-mux-sel", true, 0, "HDMI_MUX_SEL" },
413 	{ "qcom,hdmi-tx-mux-lpm", true, 1, "HDMI_MUX_LPM" },
414 };
415 
416 /*
417  * HDMI audio codec callbacks
418  */
419 static int msm_hdmi_audio_hw_params(struct device *dev, void *data,
420 				    struct hdmi_codec_daifmt *daifmt,
421 				    struct hdmi_codec_params *params)
422 {
423 	struct hdmi *hdmi = dev_get_drvdata(dev);
424 	unsigned int chan;
425 	unsigned int channel_allocation = 0;
426 	unsigned int rate;
427 	unsigned int level_shift  = 0; /* 0dB */
428 	bool down_mix = false;
429 
430 	DRM_DEV_DEBUG(dev, "%u Hz, %d bit, %d channels\n", params->sample_rate,
431 		 params->sample_width, params->cea.channels);
432 
433 	switch (params->cea.channels) {
434 	case 2:
435 		/* FR and FL speakers */
436 		channel_allocation  = 0;
437 		chan = MSM_HDMI_AUDIO_CHANNEL_2;
438 		break;
439 	case 4:
440 		/* FC, LFE, FR and FL speakers */
441 		channel_allocation  = 0x3;
442 		chan = MSM_HDMI_AUDIO_CHANNEL_4;
443 		break;
444 	case 6:
445 		/* RR, RL, FC, LFE, FR and FL speakers */
446 		channel_allocation  = 0x0B;
447 		chan = MSM_HDMI_AUDIO_CHANNEL_6;
448 		break;
449 	case 8:
450 		/* FRC, FLC, RR, RL, FC, LFE, FR and FL speakers */
451 		channel_allocation  = 0x1F;
452 		chan = MSM_HDMI_AUDIO_CHANNEL_8;
453 		break;
454 	default:
455 		return -EINVAL;
456 	}
457 
458 	switch (params->sample_rate) {
459 	case 32000:
460 		rate = HDMI_SAMPLE_RATE_32KHZ;
461 		break;
462 	case 44100:
463 		rate = HDMI_SAMPLE_RATE_44_1KHZ;
464 		break;
465 	case 48000:
466 		rate = HDMI_SAMPLE_RATE_48KHZ;
467 		break;
468 	case 88200:
469 		rate = HDMI_SAMPLE_RATE_88_2KHZ;
470 		break;
471 	case 96000:
472 		rate = HDMI_SAMPLE_RATE_96KHZ;
473 		break;
474 	case 176400:
475 		rate = HDMI_SAMPLE_RATE_176_4KHZ;
476 		break;
477 	case 192000:
478 		rate = HDMI_SAMPLE_RATE_192KHZ;
479 		break;
480 	default:
481 		DRM_DEV_ERROR(dev, "rate[%d] not supported!\n",
482 			params->sample_rate);
483 		return -EINVAL;
484 	}
485 
486 	msm_hdmi_audio_set_sample_rate(hdmi, rate);
487 	msm_hdmi_audio_info_setup(hdmi, 1, chan, channel_allocation,
488 			      level_shift, down_mix);
489 
490 	return 0;
491 }
492 
493 static void msm_hdmi_audio_shutdown(struct device *dev, void *data)
494 {
495 	struct hdmi *hdmi = dev_get_drvdata(dev);
496 
497 	msm_hdmi_audio_info_setup(hdmi, 0, 0, 0, 0, 0);
498 }
499 
500 static const struct hdmi_codec_ops msm_hdmi_audio_codec_ops = {
501 	.hw_params = msm_hdmi_audio_hw_params,
502 	.audio_shutdown = msm_hdmi_audio_shutdown,
503 };
504 
505 static struct hdmi_codec_pdata codec_data = {
506 	.ops = &msm_hdmi_audio_codec_ops,
507 	.max_i2s_channels = 8,
508 	.i2s = 1,
509 };
510 
511 static int msm_hdmi_register_audio_driver(struct hdmi *hdmi, struct device *dev)
512 {
513 	hdmi->audio_pdev = platform_device_register_data(dev,
514 							 HDMI_CODEC_DRV_NAME,
515 							 PLATFORM_DEVID_AUTO,
516 							 &codec_data,
517 							 sizeof(codec_data));
518 	return PTR_ERR_OR_ZERO(hdmi->audio_pdev);
519 }
520 
521 static int msm_hdmi_bind(struct device *dev, struct device *master, void *data)
522 {
523 	struct msm_drm_private *priv = dev_get_drvdata(master);
524 	struct hdmi_platform_config *hdmi_cfg;
525 	struct hdmi *hdmi;
526 	struct device_node *of_node = dev->of_node;
527 	int i, err;
528 
529 	hdmi_cfg = (struct hdmi_platform_config *)
530 			of_device_get_match_data(dev);
531 	if (!hdmi_cfg) {
532 		DRM_DEV_ERROR(dev, "unknown hdmi_cfg: %pOFn\n", of_node);
533 		return -ENXIO;
534 	}
535 
536 	hdmi_cfg->mmio_name     = "core_physical";
537 	hdmi_cfg->qfprom_mmio_name = "qfprom_physical";
538 
539 	for (i = 0; i < HDMI_MAX_NUM_GPIO; i++) {
540 		const char *name = msm_hdmi_gpio_pdata[i].name;
541 		struct gpio_desc *gpiod;
542 
543 		/*
544 		 * We are fetching the GPIO lines "as is" since the connector
545 		 * code is enabling and disabling the lines. Until that point
546 		 * the power-on default value will be kept.
547 		 */
548 		gpiod = devm_gpiod_get_optional(dev, name, GPIOD_ASIS);
549 		/* This will catch e.g. -PROBE_DEFER */
550 		if (IS_ERR(gpiod))
551 			return PTR_ERR(gpiod);
552 		if (!gpiod) {
553 			/* Try a second time, stripping down the name */
554 			char name3[32];
555 
556 			/*
557 			 * Try again after stripping out the "qcom,hdmi-tx"
558 			 * prefix. This is mainly to match "hpd-gpios" used
559 			 * in the upstream bindings.
560 			 */
561 			if (sscanf(name, "qcom,hdmi-tx-%s", name3))
562 				gpiod = devm_gpiod_get_optional(dev, name3, GPIOD_ASIS);
563 			if (IS_ERR(gpiod))
564 				return PTR_ERR(gpiod);
565 			if (!gpiod)
566 				DBG("failed to get gpio: %s", name);
567 		}
568 		hdmi_cfg->gpios[i].gpiod = gpiod;
569 		if (gpiod)
570 			gpiod_set_consumer_name(gpiod, msm_hdmi_gpio_pdata[i].label);
571 		hdmi_cfg->gpios[i].output = msm_hdmi_gpio_pdata[i].output;
572 		hdmi_cfg->gpios[i].value = msm_hdmi_gpio_pdata[i].value;
573 	}
574 
575 	dev->platform_data = hdmi_cfg;
576 
577 	hdmi = msm_hdmi_init(to_platform_device(dev));
578 	if (IS_ERR(hdmi))
579 		return PTR_ERR(hdmi);
580 	priv->hdmi = hdmi;
581 
582 	err = msm_hdmi_register_audio_driver(hdmi, dev);
583 	if (err) {
584 		DRM_ERROR("Failed to attach an audio codec %d\n", err);
585 		hdmi->audio_pdev = NULL;
586 	}
587 
588 	return 0;
589 }
590 
591 static void msm_hdmi_unbind(struct device *dev, struct device *master,
592 		void *data)
593 {
594 	struct msm_drm_private *priv = dev_get_drvdata(master);
595 
596 	if (priv->hdmi) {
597 		if (priv->hdmi->audio_pdev)
598 			platform_device_unregister(priv->hdmi->audio_pdev);
599 
600 		msm_hdmi_destroy(priv->hdmi);
601 		priv->hdmi = NULL;
602 	}
603 }
604 
605 static const struct component_ops msm_hdmi_ops = {
606 		.bind   = msm_hdmi_bind,
607 		.unbind = msm_hdmi_unbind,
608 };
609 
610 static int msm_hdmi_dev_probe(struct platform_device *pdev)
611 {
612 	return component_add(&pdev->dev, &msm_hdmi_ops);
613 }
614 
615 static int msm_hdmi_dev_remove(struct platform_device *pdev)
616 {
617 	component_del(&pdev->dev, &msm_hdmi_ops);
618 	return 0;
619 }
620 
621 static const struct of_device_id msm_hdmi_dt_match[] = {
622 	{ .compatible = "qcom,hdmi-tx-8996", .data = &hdmi_tx_8996_config },
623 	{ .compatible = "qcom,hdmi-tx-8994", .data = &hdmi_tx_8994_config },
624 	{ .compatible = "qcom,hdmi-tx-8084", .data = &hdmi_tx_8084_config },
625 	{ .compatible = "qcom,hdmi-tx-8974", .data = &hdmi_tx_8974_config },
626 	{ .compatible = "qcom,hdmi-tx-8960", .data = &hdmi_tx_8960_config },
627 	{ .compatible = "qcom,hdmi-tx-8660", .data = &hdmi_tx_8660_config },
628 	{}
629 };
630 
631 static struct platform_driver msm_hdmi_driver = {
632 	.probe = msm_hdmi_dev_probe,
633 	.remove = msm_hdmi_dev_remove,
634 	.driver = {
635 		.name = "hdmi_msm",
636 		.of_match_table = msm_hdmi_dt_match,
637 	},
638 };
639 
640 void __init msm_hdmi_register(void)
641 {
642 	msm_hdmi_phy_driver_register();
643 	platform_driver_register(&msm_hdmi_driver);
644 }
645 
646 void __exit msm_hdmi_unregister(void)
647 {
648 	platform_driver_unregister(&msm_hdmi_driver);
649 	msm_hdmi_phy_driver_unregister();
650 }
651