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