drivers/gpu/drm/msm/hdmi/hdmi.c

   1 /*
   2  * Copyright (c) 2014 The Linux Foundation. All rights reserved.
   3  * Copyright (C) 2013 Red Hat
   4  * Author: Rob Clark <robdclark@gmail.com>
   5  *
   6  * This program is free software; you can redistribute it and/or modify it
   7  * under the terms of the GNU General Public License version 2 as published by
   8  * the Free Software Foundation.
   9  *
  10  * This program is distributed in the hope that it will be useful, but WITHOUT
  11  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  12  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
  13  * more details.
  14  *
  15  * You should have received a copy of the GNU General Public License along with
  16  * this program.  If not, see <http://www.gnu.org/licenses/>.
  17  */
  18
  19 #include <linux/of_irq.h>
  20 #include <linux/of_gpio.h>
  21
  22 #include <sound/hdmi-codec.h>
  23 #include "hdmi.h"
  24
  25 void hdmi_set_mode(struct hdmi *hdmi, bool power_on)
  26 {
  27         uint32_t ctrl = 0;
  28         unsigned long flags;
  29
  30         spin_lock_irqsave(&hdmi->reg_lock, flags);
  31         if (power_on) {
  32                 ctrl |= HDMI_CTRL_ENABLE;
  33                 if (!hdmi->hdmi_mode) {
  34                         ctrl |= HDMI_CTRL_HDMI;
  35                         hdmi_write(hdmi, REG_HDMI_CTRL, ctrl);
  36                         ctrl &= ~HDMI_CTRL_HDMI;
  37                 } else {
  38                         ctrl |= HDMI_CTRL_HDMI;
  39                 }
  40         } else {
  41                 ctrl = HDMI_CTRL_HDMI;
  42         }
  43
  44         hdmi_write(hdmi, REG_HDMI_CTRL, ctrl);
  45         spin_unlock_irqrestore(&hdmi->reg_lock, flags);
  46         DBG("HDMI Core: %s, HDMI_CTRL=0x%08x",
  47                         power_on ? "Enable" : "Disable", ctrl);
  48 }
  49
  50 static irqreturn_t hdmi_irq(int irq, void *dev_id)
  51 {
  52         struct hdmi *hdmi = dev_id;
  53
  54         /* Process HPD: */
  55         hdmi_connector_irq(hdmi->connector);
  56
  57         /* Process DDC: */
  58         hdmi_i2c_irq(hdmi->i2c);
  59
  60         /* Process HDCP: */
  61         if (hdmi->hdcp_ctrl)
  62                 hdmi_hdcp_irq(hdmi->hdcp_ctrl);
  63
  64         /* TODO audio.. */
  65
  66         return IRQ_HANDLED;
  67 }
  68
  69 static void hdmi_destroy(struct hdmi *hdmi)
  70 {
  71         struct hdmi_phy *phy = hdmi->phy;
  72
  73         /*
  74          * at this point, hpd has been disabled,
  75          * after flush workq, it's safe to deinit hdcp
  76          */
  77         if (hdmi->workq) {
  78                 flush_workqueue(hdmi->workq);
  79                 destroy_workqueue(hdmi->workq);
  80         }
  81         hdmi_hdcp_destroy(hdmi);
  82         if (phy)
  83                 phy->funcs->destroy(phy);
  84
  85         if (hdmi->i2c)
  86                 hdmi_i2c_destroy(hdmi->i2c);
  87
  88         platform_set_drvdata(hdmi->pdev, NULL);
  89 }
  90
  91 /* construct hdmi at bind/probe time, grab all the resources.  If
  92  * we are to EPROBE_DEFER we want to do it here, rather than later
  93  * at modeset_init() time
  94  */
  95 static struct hdmi *hdmi_init(struct platform_device *pdev)
  96 {
  97         struct hdmi_platform_config *config = pdev->dev.platform_data;
  98         struct hdmi *hdmi = NULL;
  99         struct resource *res;
 100         int i, ret;
 101
 102         hdmi = devm_kzalloc(&pdev->dev, sizeof(*hdmi), GFP_KERNEL);
 103         if (!hdmi) {
 104                 ret = -ENOMEM;
 105                 goto fail;
 106         }
 107
 108         hdmi->pdev = pdev;
 109         hdmi->config = config;
 110         spin_lock_init(&hdmi->reg_lock);
 111
 112         /* not sure about which phy maps to which msm.. probably I miss some */
 113         if (config->phy_init) {
 114                 hdmi->phy = config->phy_init(hdmi);
 115
 116                 if (IS_ERR(hdmi->phy)) {
 117                         ret = PTR_ERR(hdmi->phy);
 118                         dev_err(&pdev->dev, "failed to load phy: %d\n", ret);
 119                         hdmi->phy = NULL;
 120                         goto fail;
 121                 }
 122         }
 123
 124         hdmi->mmio = msm_ioremap(pdev, config->mmio_name, "HDMI");
 125         if (IS_ERR(hdmi->mmio)) {
 126                 ret = PTR_ERR(hdmi->mmio);
 127                 goto fail;
 128         }
 129
 130         /* HDCP needs physical address of hdmi register */
 131         res = platform_get_resource_byname(pdev, IORESOURCE_MEM,
 132                 config->mmio_name);
 133         hdmi->mmio_phy_addr = res->start;
 134
 135         hdmi->qfprom_mmio = msm_ioremap(pdev,
 136                 config->qfprom_mmio_name, "HDMI_QFPROM");
 137         if (IS_ERR(hdmi->qfprom_mmio)) {
 138                 dev_info(&pdev->dev, "can't find qfprom resource\n");
 139                 hdmi->qfprom_mmio = NULL;
 140         }
 141
 142         hdmi->hpd_regs = devm_kzalloc(&pdev->dev, sizeof(hdmi->hpd_regs[0]) *
 143                         config->hpd_reg_cnt, GFP_KERNEL);
 144         if (!hdmi->hpd_regs) {
 145                 ret = -ENOMEM;
 146                 goto fail;
 147         }
 148         for (i = 0; i < config->hpd_reg_cnt; i++) {
 149                 struct regulator *reg;
 150
 151                 reg = devm_regulator_get(&pdev->dev,
 152                                 config->hpd_reg_names[i]);
 153                 if (IS_ERR(reg)) {
 154                         ret = PTR_ERR(reg);
 155                         dev_err(&pdev->dev, "failed to get hpd regulator: %s (%d)\n",
 156                                         config->hpd_reg_names[i], ret);
 157                         goto fail;
 158                 }
 159
 160                 hdmi->hpd_regs[i] = reg;
 161         }
 162
 163         hdmi->pwr_regs = devm_kzalloc(&pdev->dev, sizeof(hdmi->pwr_regs[0]) *
 164                         config->pwr_reg_cnt, GFP_KERNEL);
 165         if (!hdmi->pwr_regs) {
 166                 ret = -ENOMEM;
 167                 goto fail;
 168         }
 169         for (i = 0; i < config->pwr_reg_cnt; i++) {
 170                 struct regulator *reg;
 171
 172                 reg = devm_regulator_get(&pdev->dev,
 173                                 config->pwr_reg_names[i]);
 174                 if (IS_ERR(reg)) {
 175                         ret = PTR_ERR(reg);
 176                         dev_err(&pdev->dev, "failed to get pwr regulator: %s (%d)\n",
 177                                         config->pwr_reg_names[i], ret);
 178                         goto fail;
 179                 }
 180
 181                 hdmi->pwr_regs[i] = reg;
 182         }
 183
 184         hdmi->hpd_clks = devm_kzalloc(&pdev->dev, sizeof(hdmi->hpd_clks[0]) *
 185                         config->hpd_clk_cnt, GFP_KERNEL);
 186         if (!hdmi->hpd_clks) {
 187                 ret = -ENOMEM;
 188                 goto fail;
 189         }
 190         for (i = 0; i < config->hpd_clk_cnt; i++) {
 191                 struct clk *clk;
 192
 193                 clk = devm_clk_get(&pdev->dev, config->hpd_clk_names[i]);
 194                 if (IS_ERR(clk)) {
 195                         ret = PTR_ERR(clk);
 196                         dev_err(&pdev->dev, "failed to get hpd clk: %s (%d)\n",
 197                                         config->hpd_clk_names[i], ret);
 198                         goto fail;
 199                 }
 200
 201                 hdmi->hpd_clks[i] = clk;
 202         }
 203
 204         hdmi->pwr_clks = devm_kzalloc(&pdev->dev, sizeof(hdmi->pwr_clks[0]) *
 205                         config->pwr_clk_cnt, GFP_KERNEL);
 206         if (!hdmi->pwr_clks) {
 207                 ret = -ENOMEM;
 208                 goto fail;
 209         }
 210         for (i = 0; i < config->pwr_clk_cnt; i++) {
 211                 struct clk *clk;
 212
 213                 clk = devm_clk_get(&pdev->dev, config->pwr_clk_names[i]);
 214                 if (IS_ERR(clk)) {
 215                         ret = PTR_ERR(clk);
 216                         dev_err(&pdev->dev, "failed to get pwr clk: %s (%d)\n",
 217                                         config->pwr_clk_names[i], ret);
 218                         goto fail;
 219                 }
 220
 221                 hdmi->pwr_clks[i] = clk;
 222         }
 223
 224         hdmi->workq = alloc_ordered_workqueue("msm_hdmi", 0);
 225
 226         hdmi->i2c = hdmi_i2c_init(hdmi);
 227         if (IS_ERR(hdmi->i2c)) {
 228                 ret = PTR_ERR(hdmi->i2c);
 229                 dev_err(&pdev->dev, "failed to get i2c: %d\n", ret);
 230                 hdmi->i2c = NULL;
 231                 goto fail;
 232         }
 233
 234         hdmi->hdcp_ctrl = hdmi_hdcp_init(hdmi);
 235         if (IS_ERR(hdmi->hdcp_ctrl)) {
 236                 dev_warn(&pdev->dev, "failed to init hdcp: disabled\n");
 237                 hdmi->hdcp_ctrl = NULL;
 238         }
 239
 240         return hdmi;
 241
 242 fail:
 243         if (hdmi)
 244                 hdmi_destroy(hdmi);
 245
 246         return ERR_PTR(ret);
 247 }
 248
 249 /* Second part of initialization, the drm/kms level modeset_init,
 250  * constructs/initializes mode objects, etc, is called from master
 251  * driver (not hdmi sub-device's probe/bind!)
 252  *
 253  * Any resource (regulator/clk/etc) which could be missing at boot
 254  * should be handled in hdmi_init() so that failure happens from
 255  * hdmi sub-device's probe.
 256  */
 257 int hdmi_modeset_init(struct hdmi *hdmi,
 258                 struct drm_device *dev, struct drm_encoder *encoder)
 259 {
 260         struct msm_drm_private *priv = dev->dev_private;
 261         struct platform_device *pdev = hdmi->pdev;
 262         int ret;
 263
 264         hdmi->dev = dev;
 265         hdmi->encoder = encoder;
 266
 267         hdmi_audio_infoframe_init(&hdmi->audio.infoframe);
 268
 269         hdmi->bridge = hdmi_bridge_init(hdmi);
 270         if (IS_ERR(hdmi->bridge)) {
 271                 ret = PTR_ERR(hdmi->bridge);
 272                 dev_err(dev->dev, "failed to create HDMI bridge: %d\n", ret);
 273                 hdmi->bridge = NULL;
 274                 goto fail;
 275         }
 276
 277         hdmi->connector = hdmi_connector_init(hdmi);
 278         if (IS_ERR(hdmi->connector)) {
 279                 ret = PTR_ERR(hdmi->connector);
 280                 dev_err(dev->dev, "failed to create HDMI connector: %d\n", ret);
 281                 hdmi->connector = NULL;
 282                 goto fail;
 283         }
 284
 285         hdmi->irq = irq_of_parse_and_map(pdev->dev.of_node, 0);
 286         if (hdmi->irq < 0) {
 287                 ret = hdmi->irq;
 288                 dev_err(dev->dev, "failed to get irq: %d\n", ret);
 289                 goto fail;
 290         }
 291
 292         ret = devm_request_irq(&pdev->dev, hdmi->irq,
 293                         hdmi_irq, IRQF_TRIGGER_HIGH | IRQF_ONESHOT,
 294                         "hdmi_isr", hdmi);
 295         if (ret < 0) {
 296                 dev_err(dev->dev, "failed to request IRQ%u: %d\n",
 297                                 hdmi->irq, ret);
 298                 goto fail;
 299         }
 300
 301         encoder->bridge = hdmi->bridge;
 302
 303         priv->bridges[priv->num_bridges++]       = hdmi->bridge;
 304         priv->connectors[priv->num_connectors++] = hdmi->connector;
 305
 306         platform_set_drvdata(pdev, hdmi);
 307
 308         return 0;
 309
 310 fail:
 311         /* bridge is normally destroyed by drm: */
 312         if (hdmi->bridge) {
 313                 hdmi_bridge_destroy(hdmi->bridge);
 314                 hdmi->bridge = NULL;
 315         }
 316         if (hdmi->connector) {
 317                 hdmi->connector->funcs->destroy(hdmi->connector);
 318                 hdmi->connector = NULL;
 319         }
 320
 321         return ret;
 322 }
 323
 324 /*
 325  * The hdmi device:
 326  */
 327
 328 #include <linux/of_gpio.h>
 329
 330 #define HDMI_CFG(item, entry) \
 331         .item ## _names = item ##_names_ ## entry, \
 332         .item ## _cnt   = ARRAY_SIZE(item ## _names_ ## entry)
 333
 334 static const char *pwr_reg_names_none[] = {};
 335 static const char *hpd_reg_names_none[] = {};
 336
 337 static struct hdmi_platform_config hdmi_tx_8660_config = {
 338                 .phy_init = hdmi_phy_8x60_init,
 339 };
 340
 341 static const char *hpd_reg_names_8960[] = {"core-vdda", "hdmi-mux"};
 342 static const char *hpd_clk_names_8960[] = {"core_clk", "master_iface_clk", "slave_iface_clk"};
 343
 344 static struct hdmi_platform_config hdmi_tx_8960_config = {
 345                 .phy_init = hdmi_phy_8960_init,
 346                 HDMI_CFG(hpd_reg, 8960),
 347                 HDMI_CFG(hpd_clk, 8960),
 348 };
 349
 350 static const char *pwr_reg_names_8x74[] = {"core-vdda", "core-vcc"};
 351 static const char *hpd_reg_names_8x74[] = {"hpd-gdsc", "hpd-5v"};
 352 static const char *pwr_clk_names_8x74[] = {"extp_clk", "alt_iface_clk"};
 353 static const char *hpd_clk_names_8x74[] = {"iface_clk", "core_clk", "mdp_core_clk"};
 354 static unsigned long hpd_clk_freq_8x74[] = {0, 19200000, 0};
 355
 356 static struct hdmi_platform_config hdmi_tx_8974_config = {
 357                 .phy_init = hdmi_phy_8x74_init,
 358                 HDMI_CFG(pwr_reg, 8x74),
 359                 HDMI_CFG(hpd_reg, 8x74),
 360                 HDMI_CFG(pwr_clk, 8x74),
 361                 HDMI_CFG(hpd_clk, 8x74),
 362                 .hpd_freq      = hpd_clk_freq_8x74,
 363 };
 364
 365 static const char *hpd_reg_names_8084[] = {"hpd-gdsc", "hpd-5v", "hpd-5v-en"};
 366
 367 static struct hdmi_platform_config hdmi_tx_8084_config = {
 368                 .phy_init = hdmi_phy_8x74_init,
 369                 HDMI_CFG(pwr_reg, 8x74),
 370                 HDMI_CFG(hpd_reg, 8084),
 371                 HDMI_CFG(pwr_clk, 8x74),
 372                 HDMI_CFG(hpd_clk, 8x74),
 373                 .hpd_freq      = hpd_clk_freq_8x74,
 374 };
 375
 376 static struct hdmi_platform_config hdmi_tx_8994_config = {
 377                 .phy_init = NULL, /* nothing to do for this HDMI PHY 20nm */
 378                 HDMI_CFG(pwr_reg, 8x74),
 379                 HDMI_CFG(hpd_reg, none),
 380                 HDMI_CFG(pwr_clk, 8x74),
 381                 HDMI_CFG(hpd_clk, 8x74),
 382                 .hpd_freq      = hpd_clk_freq_8x74,
 383 };
 384
 385 static struct hdmi_platform_config hdmi_tx_8996_config = {
 386                 .phy_init = NULL,
 387                 HDMI_CFG(pwr_reg, none),
 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 const struct of_device_id dt_match[] = {
 395         { .compatible = "qcom,hdmi-tx-8996", .data = &hdmi_tx_8996_config },
 396         { .compatible = "qcom,hdmi-tx-8994", .data = &hdmi_tx_8994_config },
 397         { .compatible = "qcom,hdmi-tx-8084", .data = &hdmi_tx_8084_config },
 398         { .compatible = "qcom,hdmi-tx-8974", .data = &hdmi_tx_8974_config },
 399         { .compatible = "qcom,hdmi-tx-8960", .data = &hdmi_tx_8960_config },
 400         { .compatible = "qcom,hdmi-tx-8660", .data = &hdmi_tx_8660_config },
 401         {}
 402 };
 403
 404 #ifdef CONFIG_OF
 405 static int get_gpio(struct device *dev, struct device_node *of_node, const char *name)
 406 {
 407         int gpio = of_get_named_gpio(of_node, name, 0);
 408         if (gpio < 0) {
 409                 char name2[32];
 410                 snprintf(name2, sizeof(name2), "%s-gpio", name);
 411                 gpio = of_get_named_gpio(of_node, name2, 0);
 412                 if (gpio < 0) {
 413                         DBG("failed to get gpio: %s (%d)", name, gpio);
 414                         gpio = -1;
 415                 }
 416         }
 417         return gpio;
 418 }
 419 #endif
 420
 421 /*
 422  * HDMI audio codec callbacks
 423  */
 424 static int msm_hdmi_audio_hw_params(struct device *dev,
 425                                     struct hdmi_codec_daifmt *daifmt,
 426                                     struct hdmi_codec_params *params)
 427 {
 428         struct hdmi *hdmi = dev_get_drvdata(dev);
 429         unsigned int chan;
 430         unsigned int channel_allocation = 0;
 431         unsigned int rate;
 432         unsigned int level_shift  = 0; /* 0dB */
 433         bool down_mix = false;
 434
 435         dev_dbg(dev, "%u Hz, %d bit, %d channels\n", params->sample_rate,
 436                  params->sample_width, params->cea.channels);
 437
 438         switch (params->cea.channels) {
 439         case 2:
 440                 /* FR and FL speakers */
 441                 channel_allocation  = 0;
 442                 chan = MSM_HDMI_AUDIO_CHANNEL_2;
 443                 break;
 444         case 4:
 445                 /* FC, LFE, FR and FL speakers */
 446                 channel_allocation  = 0x3;
 447                 chan = MSM_HDMI_AUDIO_CHANNEL_4;
 448                 break;
 449         case 6:
 450                 /* RR, RL, FC, LFE, FR and FL speakers */
 451                 channel_allocation  = 0x0B;
 452                 chan = MSM_HDMI_AUDIO_CHANNEL_6;
 453                 break;
 454         case 8:
 455                 /* FRC, FLC, RR, RL, FC, LFE, FR and FL speakers */
 456                 channel_allocation  = 0x1F;
 457                 chan = MSM_HDMI_AUDIO_CHANNEL_8;
 458                 break;
 459         default:
 460                 return -EINVAL;
 461         }
 462
 463         switch (params->sample_rate) {
 464         case 32000:
 465                 rate = HDMI_SAMPLE_RATE_32KHZ;
 466                 break;
 467         case 44100:
 468                 rate = HDMI_SAMPLE_RATE_44_1KHZ;
 469                 break;
 470         case 48000:
 471                 rate = HDMI_SAMPLE_RATE_48KHZ;
 472                 break;
 473         case 88200:
 474                 rate = HDMI_SAMPLE_RATE_88_2KHZ;
 475                 break;
 476         case 96000:
 477                 rate = HDMI_SAMPLE_RATE_96KHZ;
 478                 break;
 479         case 176400:
 480                 rate = HDMI_SAMPLE_RATE_176_4KHZ;
 481                 break;
 482         case 192000:
 483                 rate = HDMI_SAMPLE_RATE_192KHZ;
 484                 break;
 485         default:
 486                 dev_err(dev, "rate[%d] not supported!\n",
 487                         params->sample_rate);
 488                 return -EINVAL;
 489         }
 490
 491         hdmi_audio_set_sample_rate(hdmi, rate);
 492         hdmi_audio_info_setup(hdmi, 1, chan, channel_allocation,
 493                               level_shift, down_mix);
 494
 495         return 0;
 496 }
 497
 498 static void msm_hdmi_audio_shutdown(struct device *dev)
 499 {
 500         struct hdmi *hdmi = dev_get_drvdata(dev);
 501
 502         hdmi_audio_info_setup(hdmi, 0, 0, 0, 0, 0);
 503 }
 504
 505 static const struct hdmi_codec_ops msm_hdmi_audio_codec_ops = {
 506         .hw_params = msm_hdmi_audio_hw_params,
 507         .audio_shutdown = msm_hdmi_audio_shutdown,
 508 };
 509
 510 static struct hdmi_codec_pdata codec_data = {
 511         .ops = &msm_hdmi_audio_codec_ops,
 512         .max_i2s_channels = 8,
 513         .i2s = 1,
 514 };
 515
 516 static int msm_hdmi_register_audio_driver(struct hdmi *hdmi, struct device *dev)
 517 {
 518         hdmi->audio_pdev = platform_device_register_data(dev,
 519                                                          HDMI_CODEC_DRV_NAME,
 520                                                          PLATFORM_DEVID_AUTO,
 521                                                          &codec_data,
 522                                                          sizeof(codec_data));
 523         if (IS_ERR(hdmi->audio_pdev))
 524                 return PTR_ERR(hdmi->audio_pdev);
 525
 526         return 0;
 527 }
 528
 529 static int hdmi_bind(struct device *dev, struct device *master, void *data)
 530 {
 531         struct drm_device *drm = dev_get_drvdata(master);
 532         struct msm_drm_private *priv = drm->dev_private;
 533         static struct hdmi_platform_config *hdmi_cfg;
 534         struct hdmi *hdmi;
 535 #ifdef CONFIG_OF
 536         struct device_node *of_node = dev->of_node;
 537         const struct of_device_id *match;
 538         int err;
 539
 540         match = of_match_node(dt_match, of_node);
 541         if (match && match->data) {
 542                 hdmi_cfg = (struct hdmi_platform_config *)match->data;
 543                 DBG("hdmi phy: %s", match->compatible);
 544         } else {
 545                 dev_err(dev, "unknown phy: %s\n", of_node->name);
 546                 return -ENXIO;
 547         }
 548
 549         hdmi_cfg->mmio_name     = "core_physical";
 550         hdmi_cfg->qfprom_mmio_name = "qfprom_physical";
 551         hdmi_cfg->ddc_clk_gpio  = get_gpio(dev, of_node, "qcom,hdmi-tx-ddc-clk");
 552         hdmi_cfg->ddc_data_gpio = get_gpio(dev, of_node, "qcom,hdmi-tx-ddc-data");
 553         hdmi_cfg->hpd_gpio      = get_gpio(dev, of_node, "qcom,hdmi-tx-hpd");
 554         hdmi_cfg->mux_en_gpio   = get_gpio(dev, of_node, "qcom,hdmi-tx-mux-en");
 555         hdmi_cfg->mux_sel_gpio  = get_gpio(dev, of_node, "qcom,hdmi-tx-mux-sel");
 556         hdmi_cfg->mux_lpm_gpio  = get_gpio(dev, of_node, "qcom,hdmi-tx-mux-lpm");
 557
 558 #else
 559         static struct hdmi_platform_config config = {};
 560         static const char *hpd_clk_names[] = {
 561                         "core_clk", "master_iface_clk", "slave_iface_clk",
 562         };
 563         if (cpu_is_apq8064()) {
 564                 static const char *hpd_reg_names[] = {"8921_hdmi_mvs"};
 565                 config.phy_init      = hdmi_phy_8960_init;
 566                 config.hpd_reg_names = hpd_reg_names;
 567                 config.hpd_reg_cnt   = ARRAY_SIZE(hpd_reg_names);
 568                 config.hpd_clk_names = hpd_clk_names;
 569                 config.hpd_clk_cnt   = ARRAY_SIZE(hpd_clk_names);
 570                 config.ddc_clk_gpio  = 70;
 571                 config.ddc_data_gpio = 71;
 572                 config.hpd_gpio      = 72;
 573                 config.mux_en_gpio   = -1;
 574                 config.mux_sel_gpio  = -1;
 575         } else if (cpu_is_msm8960() || cpu_is_msm8960ab()) {
 576                 static const char *hpd_reg_names[] = {"8921_hdmi_mvs"};
 577                 config.phy_init      = hdmi_phy_8960_init;
 578                 config.hpd_reg_names = hpd_reg_names;
 579                 config.hpd_reg_cnt   = ARRAY_SIZE(hpd_reg_names);
 580                 config.hpd_clk_names = hpd_clk_names;
 581                 config.hpd_clk_cnt   = ARRAY_SIZE(hpd_clk_names);
 582                 config.ddc_clk_gpio  = 100;
 583                 config.ddc_data_gpio = 101;
 584                 config.hpd_gpio      = 102;
 585                 config.mux_en_gpio   = -1;
 586                 config.mux_sel_gpio  = -1;
 587         } else if (cpu_is_msm8x60()) {
 588                 static const char *hpd_reg_names[] = {
 589                                 "8901_hdmi_mvs", "8901_mpp0"
 590                 };
 591                 config.phy_init      = hdmi_phy_8x60_init;
 592                 config.hpd_reg_names = hpd_reg_names;
 593                 config.hpd_reg_cnt   = ARRAY_SIZE(hpd_reg_names);
 594                 config.hpd_clk_names = hpd_clk_names;
 595                 config.hpd_clk_cnt   = ARRAY_SIZE(hpd_clk_names);
 596                 config.ddc_clk_gpio  = 170;
 597                 config.ddc_data_gpio = 171;
 598                 config.hpd_gpio      = 172;
 599                 config.mux_en_gpio   = -1;
 600                 config.mux_sel_gpio  = -1;
 601         }
 602         config.mmio_name     = "hdmi_msm_hdmi_addr";
 603         config.qfprom_mmio_name = "hdmi_msm_qfprom_addr";
 604
 605         hdmi_cfg = &config;
 606 #endif
 607         dev->platform_data = hdmi_cfg;
 608
 609         hdmi = hdmi_init(to_platform_device(dev));
 610         if (IS_ERR(hdmi))
 611                 return PTR_ERR(hdmi);
 612         priv->hdmi = hdmi;
 613
 614         err = msm_hdmi_register_audio_driver(hdmi, dev);
 615         if (err) {
 616                 DRM_ERROR("Failed to attach an audio codec %d\n", err);
 617                 hdmi->audio_pdev = NULL;
 618         }
 619
 620         return 0;
 621 }
 622
 623 static void hdmi_unbind(struct device *dev, struct device *master,
 624                 void *data)
 625 {
 626         struct drm_device *drm = dev_get_drvdata(master);
 627         struct msm_drm_private *priv = drm->dev_private;
 628         if (priv->hdmi) {
 629                 hdmi_destroy(priv->hdmi);
 630                 if (priv->hdmi->audio_pdev)
 631                         platform_device_unregister(priv->hdmi->audio_pdev);
 632
 633                 priv->hdmi = NULL;
 634         }
 635 }
 636
 637 static const struct component_ops hdmi_ops = {
 638                 .bind   = hdmi_bind,
 639                 .unbind = hdmi_unbind,
 640 };
 641
 642 static int hdmi_dev_probe(struct platform_device *pdev)
 643 {
 644         return component_add(&pdev->dev, &hdmi_ops);
 645 }
 646
 647 static int hdmi_dev_remove(struct platform_device *pdev)
 648 {
 649         component_del(&pdev->dev, &hdmi_ops);
 650         return 0;
 651 }
 652
 653 static struct platform_driver hdmi_driver = {
 654         .probe = hdmi_dev_probe,
 655         .remove = hdmi_dev_remove,
 656         .driver = {
 657                 .name = "hdmi_msm",
 658                 .of_match_table = dt_match,
 659         },
 660 };
 661
 662 void __init hdmi_register(void)
 663 {
 664         platform_driver_register(&hdmi_driver);
 665 }
 666
 667 void __exit hdmi_unregister(void)
 668 {
 669         platform_driver_unregister(&hdmi_driver);
 670 }