drivers/gpu/drm/omapdrm/dss/hdmi5.c

   1 // SPDX-License-Identifier: GPL-2.0-only
   2 /*
   3  * HDMI driver for OMAP5
   4  *
   5  * Copyright (C) 2014 Texas Instruments Incorporated - http://www.ti.com/
   6  *
   7  * Authors:
   8  *      Yong Zhi
   9  *      Mythri pk
  10  *      Archit Taneja <archit@ti.com>
  11  *      Tomi Valkeinen <tomi.valkeinen@ti.com>
  12  */
  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/gpio.h>
  28 #include <linux/regulator/consumer.h>
  29 #include <linux/component.h>
  30 #include <linux/of.h>
  31 #include <linux/of_graph.h>
  32 #include <sound/omap-hdmi-audio.h>
  33
  34 #include <drm/drm_atomic.h>
  35 #include <drm/drm_atomic_state_helper.h>
  36
  37 #include "omapdss.h"
  38 #include "hdmi5_core.h"
  39 #include "dss.h"
  40
  41 static int hdmi_runtime_get(struct omap_hdmi *hdmi)
  42 {
  43         int r;
  44
  45         DSSDBG("hdmi_runtime_get\n");
  46
  47         r = pm_runtime_get_sync(&hdmi->pdev->dev);
  48         WARN_ON(r < 0);
  49         if (r < 0)
  50                 return r;
  51
  52         return 0;
  53 }
  54
  55 static void hdmi_runtime_put(struct omap_hdmi *hdmi)
  56 {
  57         int r;
  58
  59         DSSDBG("hdmi_runtime_put\n");
  60
  61         r = pm_runtime_put_sync(&hdmi->pdev->dev);
  62         WARN_ON(r < 0 && r != -ENOSYS);
  63 }
  64
  65 static irqreturn_t hdmi_irq_handler(int irq, void *data)
  66 {
  67         struct omap_hdmi *hdmi = data;
  68         struct hdmi_wp_data *wp = &hdmi->wp;
  69         u32 irqstatus;
  70
  71         irqstatus = hdmi_wp_get_irqstatus(wp);
  72         hdmi_wp_set_irqstatus(wp, irqstatus);
  73
  74         if ((irqstatus & HDMI_IRQ_LINK_CONNECT) &&
  75                         irqstatus & HDMI_IRQ_LINK_DISCONNECT) {
  76                 u32 v;
  77                 /*
  78                  * If we get both connect and disconnect interrupts at the same
  79                  * time, turn off the PHY, clear interrupts, and restart, which
  80                  * raises connect interrupt if a cable is connected, or nothing
  81                  * if cable is not connected.
  82                  */
  83
  84                 hdmi_wp_set_phy_pwr(wp, HDMI_PHYPWRCMD_OFF);
  85
  86                 /*
  87                  * We always get bogus CONNECT & DISCONNECT interrupts when
  88                  * setting the PHY to LDOON. To ignore those, we force the RXDET
  89                  * line to 0 until the PHY power state has been changed.
  90                  */
  91                 v = hdmi_read_reg(hdmi->phy.base, HDMI_TXPHY_PAD_CFG_CTRL);
  92                 v = FLD_MOD(v, 1, 15, 15); /* FORCE_RXDET_HIGH */
  93                 v = FLD_MOD(v, 0, 14, 7); /* RXDET_LINE */
  94                 hdmi_write_reg(hdmi->phy.base, HDMI_TXPHY_PAD_CFG_CTRL, v);
  95
  96                 hdmi_wp_set_irqstatus(wp, HDMI_IRQ_LINK_CONNECT |
  97                                 HDMI_IRQ_LINK_DISCONNECT);
  98
  99                 hdmi_wp_set_phy_pwr(wp, HDMI_PHYPWRCMD_LDOON);
 100
 101                 REG_FLD_MOD(hdmi->phy.base, HDMI_TXPHY_PAD_CFG_CTRL, 0, 15, 15);
 102
 103         } else if (irqstatus & HDMI_IRQ_LINK_CONNECT) {
 104                 hdmi_wp_set_phy_pwr(wp, HDMI_PHYPWRCMD_TXON);
 105         } else if (irqstatus & HDMI_IRQ_LINK_DISCONNECT) {
 106                 hdmi_wp_set_phy_pwr(wp, HDMI_PHYPWRCMD_LDOON);
 107         }
 108
 109         return IRQ_HANDLED;
 110 }
 111
 112 static int hdmi_power_on_core(struct omap_hdmi *hdmi)
 113 {
 114         int r;
 115
 116         r = regulator_enable(hdmi->vdda_reg);
 117         if (r)
 118                 return r;
 119
 120         r = hdmi_runtime_get(hdmi);
 121         if (r)
 122                 goto err_runtime_get;
 123
 124         /* Make selection of HDMI in DSS */
 125         dss_select_hdmi_venc_clk_source(hdmi->dss, DSS_HDMI_M_PCLK);
 126
 127         hdmi->core_enabled = true;
 128
 129         return 0;
 130
 131 err_runtime_get:
 132         regulator_disable(hdmi->vdda_reg);
 133
 134         return r;
 135 }
 136
 137 static void hdmi_power_off_core(struct omap_hdmi *hdmi)
 138 {
 139         hdmi->core_enabled = false;
 140
 141         hdmi_runtime_put(hdmi);
 142         regulator_disable(hdmi->vdda_reg);
 143 }
 144
 145 static int hdmi_power_on_full(struct omap_hdmi *hdmi)
 146 {
 147         int r;
 148         const struct videomode *vm;
 149         struct dss_pll_clock_info hdmi_cinfo = { 0 };
 150         unsigned int pc;
 151
 152         r = hdmi_power_on_core(hdmi);
 153         if (r)
 154                 return r;
 155
 156         vm = &hdmi->cfg.vm;
 157
 158         DSSDBG("hdmi_power_on hactive= %d vactive = %d\n", vm->hactive,
 159                vm->vactive);
 160
 161         pc = vm->pixelclock;
 162         if (vm->flags & DISPLAY_FLAGS_DOUBLECLK)
 163                 pc *= 2;
 164
 165         /* DSS_HDMI_TCLK is bitclk / 10 */
 166         pc *= 10;
 167
 168         dss_pll_calc_b(&hdmi->pll.pll, clk_get_rate(hdmi->pll.pll.clkin),
 169                 pc, &hdmi_cinfo);
 170
 171         /* disable and clear irqs */
 172         hdmi_wp_clear_irqenable(&hdmi->wp, 0xffffffff);
 173         hdmi_wp_set_irqstatus(&hdmi->wp,
 174                         hdmi_wp_get_irqstatus(&hdmi->wp));
 175
 176         r = dss_pll_enable(&hdmi->pll.pll);
 177         if (r) {
 178                 DSSERR("Failed to enable PLL\n");
 179                 goto err_pll_enable;
 180         }
 181
 182         r = dss_pll_set_config(&hdmi->pll.pll, &hdmi_cinfo);
 183         if (r) {
 184                 DSSERR("Failed to configure PLL\n");
 185                 goto err_pll_cfg;
 186         }
 187
 188         r = hdmi_phy_configure(&hdmi->phy, hdmi_cinfo.clkdco,
 189                 hdmi_cinfo.clkout[0]);
 190         if (r) {
 191                 DSSDBG("Failed to start PHY\n");
 192                 goto err_phy_cfg;
 193         }
 194
 195         r = hdmi_wp_set_phy_pwr(&hdmi->wp, HDMI_PHYPWRCMD_LDOON);
 196         if (r)
 197                 goto err_phy_pwr;
 198
 199         hdmi5_configure(&hdmi->core, &hdmi->wp, &hdmi->cfg);
 200
 201         r = dss_mgr_enable(&hdmi->output);
 202         if (r)
 203                 goto err_mgr_enable;
 204
 205         r = hdmi_wp_video_start(&hdmi->wp);
 206         if (r)
 207                 goto err_vid_enable;
 208
 209         hdmi_wp_set_irqenable(&hdmi->wp,
 210                         HDMI_IRQ_LINK_CONNECT | HDMI_IRQ_LINK_DISCONNECT);
 211
 212         return 0;
 213
 214 err_vid_enable:
 215         dss_mgr_disable(&hdmi->output);
 216 err_mgr_enable:
 217         hdmi_wp_set_phy_pwr(&hdmi->wp, HDMI_PHYPWRCMD_OFF);
 218 err_phy_pwr:
 219 err_phy_cfg:
 220 err_pll_cfg:
 221         dss_pll_disable(&hdmi->pll.pll);
 222 err_pll_enable:
 223         hdmi_power_off_core(hdmi);
 224         return -EIO;
 225 }
 226
 227 static void hdmi_power_off_full(struct omap_hdmi *hdmi)
 228 {
 229         hdmi_wp_clear_irqenable(&hdmi->wp, 0xffffffff);
 230
 231         hdmi_wp_video_stop(&hdmi->wp);
 232
 233         dss_mgr_disable(&hdmi->output);
 234
 235         hdmi_wp_set_phy_pwr(&hdmi->wp, HDMI_PHYPWRCMD_OFF);
 236
 237         dss_pll_disable(&hdmi->pll.pll);
 238
 239         hdmi_power_off_core(hdmi);
 240 }
 241
 242 static int hdmi_dump_regs(struct seq_file *s, void *p)
 243 {
 244         struct omap_hdmi *hdmi = s->private;
 245
 246         mutex_lock(&hdmi->lock);
 247
 248         if (hdmi_runtime_get(hdmi)) {
 249                 mutex_unlock(&hdmi->lock);
 250                 return 0;
 251         }
 252
 253         hdmi_wp_dump(&hdmi->wp, s);
 254         hdmi_pll_dump(&hdmi->pll, s);
 255         hdmi_phy_dump(&hdmi->phy, s);
 256         hdmi5_core_dump(&hdmi->core, s);
 257
 258         hdmi_runtime_put(hdmi);
 259         mutex_unlock(&hdmi->lock);
 260         return 0;
 261 }
 262
 263 static void hdmi_start_audio_stream(struct omap_hdmi *hd)
 264 {
 265         REG_FLD_MOD(hd->wp.base, HDMI_WP_SYSCONFIG, 1, 3, 2);
 266         hdmi_wp_audio_enable(&hd->wp, true);
 267         hdmi_wp_audio_core_req_enable(&hd->wp, true);
 268 }
 269
 270 static void hdmi_stop_audio_stream(struct omap_hdmi *hd)
 271 {
 272         hdmi_wp_audio_core_req_enable(&hd->wp, false);
 273         hdmi_wp_audio_enable(&hd->wp, false);
 274         REG_FLD_MOD(hd->wp.base, HDMI_WP_SYSCONFIG, hd->wp_idlemode, 3, 2);
 275 }
 276
 277 static int hdmi_core_enable(struct omap_hdmi *hdmi)
 278 {
 279         int r = 0;
 280
 281         DSSDBG("ENTER omapdss_hdmi_core_enable\n");
 282
 283         mutex_lock(&hdmi->lock);
 284
 285         r = hdmi_power_on_core(hdmi);
 286         if (r) {
 287                 DSSERR("failed to power on device\n");
 288                 goto err0;
 289         }
 290
 291         mutex_unlock(&hdmi->lock);
 292         return 0;
 293
 294 err0:
 295         mutex_unlock(&hdmi->lock);
 296         return r;
 297 }
 298
 299 static void hdmi_core_disable(struct omap_hdmi *hdmi)
 300 {
 301         DSSDBG("Enter omapdss_hdmi_core_disable\n");
 302
 303         mutex_lock(&hdmi->lock);
 304
 305         hdmi_power_off_core(hdmi);
 306
 307         mutex_unlock(&hdmi->lock);
 308 }
 309
 310 /* -----------------------------------------------------------------------------
 311  * DRM Bridge Operations
 312  */
 313
 314 static int hdmi5_bridge_attach(struct drm_bridge *bridge,
 315                                enum drm_bridge_attach_flags flags)
 316 {
 317         struct omap_hdmi *hdmi = drm_bridge_to_hdmi(bridge);
 318
 319         if (!(flags & DRM_BRIDGE_ATTACH_NO_CONNECTOR))
 320                 return -EINVAL;
 321
 322         return drm_bridge_attach(bridge->encoder, hdmi->output.next_bridge,
 323                                  bridge, flags);
 324 }
 325
 326 static void hdmi5_bridge_mode_set(struct drm_bridge *bridge,
 327                                   const struct drm_display_mode *mode,
 328                                   const struct drm_display_mode *adjusted_mode)
 329 {
 330         struct omap_hdmi *hdmi = drm_bridge_to_hdmi(bridge);
 331
 332         mutex_lock(&hdmi->lock);
 333
 334         drm_display_mode_to_videomode(adjusted_mode, &hdmi->cfg.vm);
 335
 336         dispc_set_tv_pclk(hdmi->dss->dispc, adjusted_mode->clock * 1000);
 337
 338         mutex_unlock(&hdmi->lock);
 339 }
 340
 341 static void hdmi5_bridge_enable(struct drm_bridge *bridge,
 342                                 struct drm_bridge_state *bridge_state)
 343 {
 344         struct omap_hdmi *hdmi = drm_bridge_to_hdmi(bridge);
 345         struct drm_atomic_state *state = bridge_state->base.state;
 346         struct drm_connector_state *conn_state;
 347         struct drm_connector *connector;
 348         struct drm_crtc_state *crtc_state;
 349         unsigned long flags;
 350         int ret;
 351
 352         /*
 353          * None of these should fail, as the bridge can't be enabled without a
 354          * valid CRTC to connector path with fully populated new states.
 355          */
 356         connector = drm_atomic_get_new_connector_for_encoder(state,
 357                                                              bridge->encoder);
 358         if (WARN_ON(!connector))
 359                 return;
 360         conn_state = drm_atomic_get_new_connector_state(state, connector);
 361         if (WARN_ON(!conn_state))
 362                 return;
 363         crtc_state = drm_atomic_get_new_crtc_state(state, conn_state->crtc);
 364         if (WARN_ON(!crtc_state))
 365                 return;
 366
 367         hdmi->cfg.hdmi_dvi_mode = connector->display_info.is_hdmi
 368                                 ? HDMI_HDMI : HDMI_DVI;
 369
 370         if (connector->display_info.is_hdmi) {
 371                 const struct drm_display_mode *mode;
 372                 struct hdmi_avi_infoframe avi;
 373
 374                 mode = &crtc_state->adjusted_mode;
 375                 ret = drm_hdmi_avi_infoframe_from_display_mode(&avi, connector,
 376                                                                mode);
 377                 if (ret == 0)
 378                         hdmi->cfg.infoframe = avi;
 379         }
 380
 381         mutex_lock(&hdmi->lock);
 382
 383         ret = hdmi_power_on_full(hdmi);
 384         if (ret) {
 385                 DSSERR("failed to power on device\n");
 386                 goto done;
 387         }
 388
 389         if (hdmi->audio_configured) {
 390                 ret = hdmi5_audio_config(&hdmi->core, &hdmi->wp,
 391                                          &hdmi->audio_config,
 392                                          hdmi->cfg.vm.pixelclock);
 393                 if (ret) {
 394                         DSSERR("Error restoring audio configuration: %d", ret);
 395                         hdmi->audio_abort_cb(&hdmi->pdev->dev);
 396                         hdmi->audio_configured = false;
 397                 }
 398         }
 399
 400         spin_lock_irqsave(&hdmi->audio_playing_lock, flags);
 401         if (hdmi->audio_configured && hdmi->audio_playing)
 402                 hdmi_start_audio_stream(hdmi);
 403         hdmi->display_enabled = true;
 404         spin_unlock_irqrestore(&hdmi->audio_playing_lock, flags);
 405
 406 done:
 407         mutex_unlock(&hdmi->lock);
 408 }
 409
 410 static void hdmi5_bridge_disable(struct drm_bridge *bridge,
 411                                  struct drm_bridge_state *bridge_state)
 412 {
 413         struct omap_hdmi *hdmi = drm_bridge_to_hdmi(bridge);
 414         unsigned long flags;
 415
 416         mutex_lock(&hdmi->lock);
 417
 418         spin_lock_irqsave(&hdmi->audio_playing_lock, flags);
 419         hdmi_stop_audio_stream(hdmi);
 420         hdmi->display_enabled = false;
 421         spin_unlock_irqrestore(&hdmi->audio_playing_lock, flags);
 422
 423         hdmi_power_off_full(hdmi);
 424
 425         mutex_unlock(&hdmi->lock);
 426 }
 427
 428 static struct edid *hdmi5_bridge_get_edid(struct drm_bridge *bridge,
 429                                           struct drm_connector *connector)
 430 {
 431         struct omap_hdmi *hdmi = drm_bridge_to_hdmi(bridge);
 432         struct edid *edid;
 433         bool need_enable;
 434         int idlemode;
 435         int r;
 436
 437         need_enable = hdmi->core_enabled == false;
 438
 439         if (need_enable) {
 440                 r = hdmi_core_enable(hdmi);
 441                 if (r)
 442                         return NULL;
 443         }
 444
 445         mutex_lock(&hdmi->lock);
 446         r = hdmi_runtime_get(hdmi);
 447         BUG_ON(r);
 448
 449         idlemode = REG_GET(hdmi->wp.base, HDMI_WP_SYSCONFIG, 3, 2);
 450         /* No-idle mode */
 451         REG_FLD_MOD(hdmi->wp.base, HDMI_WP_SYSCONFIG, 1, 3, 2);
 452
 453         hdmi5_core_ddc_init(&hdmi->core);
 454
 455         edid = drm_do_get_edid(connector, hdmi5_core_ddc_read, &hdmi->core);
 456
 457         hdmi5_core_ddc_uninit(&hdmi->core);
 458
 459         REG_FLD_MOD(hdmi->wp.base, HDMI_WP_SYSCONFIG, idlemode, 3, 2);
 460
 461         hdmi_runtime_put(hdmi);
 462         mutex_unlock(&hdmi->lock);
 463
 464         if (need_enable)
 465                 hdmi_core_disable(hdmi);
 466
 467         return (struct edid *)edid;
 468 }
 469
 470 static const struct drm_bridge_funcs hdmi5_bridge_funcs = {
 471         .attach = hdmi5_bridge_attach,
 472         .mode_set = hdmi5_bridge_mode_set,
 473         .atomic_duplicate_state = drm_atomic_helper_bridge_duplicate_state,
 474         .atomic_destroy_state = drm_atomic_helper_bridge_destroy_state,
 475         .atomic_reset = drm_atomic_helper_bridge_reset,
 476         .atomic_enable = hdmi5_bridge_enable,
 477         .atomic_disable = hdmi5_bridge_disable,
 478         .get_edid = hdmi5_bridge_get_edid,
 479 };
 480
 481 static void hdmi5_bridge_init(struct omap_hdmi *hdmi)
 482 {
 483         hdmi->bridge.funcs = &hdmi5_bridge_funcs;
 484         hdmi->bridge.of_node = hdmi->pdev->dev.of_node;
 485         hdmi->bridge.ops = DRM_BRIDGE_OP_EDID;
 486         hdmi->bridge.type = DRM_MODE_CONNECTOR_HDMIA;
 487
 488         drm_bridge_add(&hdmi->bridge);
 489 }
 490
 491 static void hdmi5_bridge_cleanup(struct omap_hdmi *hdmi)
 492 {
 493         drm_bridge_remove(&hdmi->bridge);
 494 }
 495
 496 /* -----------------------------------------------------------------------------
 497  * Audio Callbacks
 498  */
 499
 500 static int hdmi_audio_startup(struct device *dev,
 501                               void (*abort_cb)(struct device *dev))
 502 {
 503         struct omap_hdmi *hd = dev_get_drvdata(dev);
 504
 505         mutex_lock(&hd->lock);
 506
 507         WARN_ON(hd->audio_abort_cb != NULL);
 508
 509         hd->audio_abort_cb = abort_cb;
 510
 511         mutex_unlock(&hd->lock);
 512
 513         return 0;
 514 }
 515
 516 static int hdmi_audio_shutdown(struct device *dev)
 517 {
 518         struct omap_hdmi *hd = dev_get_drvdata(dev);
 519
 520         mutex_lock(&hd->lock);
 521         hd->audio_abort_cb = NULL;
 522         hd->audio_configured = false;
 523         hd->audio_playing = false;
 524         mutex_unlock(&hd->lock);
 525
 526         return 0;
 527 }
 528
 529 static int hdmi_audio_start(struct device *dev)
 530 {
 531         struct omap_hdmi *hd = dev_get_drvdata(dev);
 532         unsigned long flags;
 533
 534         spin_lock_irqsave(&hd->audio_playing_lock, flags);
 535
 536         if (hd->display_enabled) {
 537                 if (!hdmi_mode_has_audio(&hd->cfg))
 538                         DSSERR("%s: Video mode does not support audio\n",
 539                                __func__);
 540                 hdmi_start_audio_stream(hd);
 541         }
 542         hd->audio_playing = true;
 543
 544         spin_unlock_irqrestore(&hd->audio_playing_lock, flags);
 545         return 0;
 546 }
 547
 548 static void hdmi_audio_stop(struct device *dev)
 549 {
 550         struct omap_hdmi *hd = dev_get_drvdata(dev);
 551         unsigned long flags;
 552
 553         if (!hdmi_mode_has_audio(&hd->cfg))
 554                 DSSERR("%s: Video mode does not support audio\n", __func__);
 555
 556         spin_lock_irqsave(&hd->audio_playing_lock, flags);
 557
 558         if (hd->display_enabled)
 559                 hdmi_stop_audio_stream(hd);
 560         hd->audio_playing = false;
 561
 562         spin_unlock_irqrestore(&hd->audio_playing_lock, flags);
 563 }
 564
 565 static int hdmi_audio_config(struct device *dev,
 566                              struct omap_dss_audio *dss_audio)
 567 {
 568         struct omap_hdmi *hd = dev_get_drvdata(dev);
 569         int ret = 0;
 570
 571         mutex_lock(&hd->lock);
 572
 573         if (hd->display_enabled) {
 574                 ret = hdmi5_audio_config(&hd->core, &hd->wp, dss_audio,
 575                                          hd->cfg.vm.pixelclock);
 576                 if (ret)
 577                         goto out;
 578         }
 579
 580         hd->audio_configured = true;
 581         hd->audio_config = *dss_audio;
 582 out:
 583         mutex_unlock(&hd->lock);
 584
 585         return ret;
 586 }
 587
 588 static const struct omap_hdmi_audio_ops hdmi_audio_ops = {
 589         .audio_startup = hdmi_audio_startup,
 590         .audio_shutdown = hdmi_audio_shutdown,
 591         .audio_start = hdmi_audio_start,
 592         .audio_stop = hdmi_audio_stop,
 593         .audio_config = hdmi_audio_config,
 594 };
 595
 596 static int hdmi_audio_register(struct omap_hdmi *hdmi)
 597 {
 598         struct omap_hdmi_audio_pdata pdata = {
 599                 .dev = &hdmi->pdev->dev,
 600                 .version = 5,
 601                 .audio_dma_addr = hdmi_wp_get_audio_dma_addr(&hdmi->wp),
 602                 .ops = &hdmi_audio_ops,
 603         };
 604
 605         hdmi->audio_pdev = platform_device_register_data(
 606                 &hdmi->pdev->dev, "omap-hdmi-audio", PLATFORM_DEVID_AUTO,
 607                 &pdata, sizeof(pdata));
 608
 609         if (IS_ERR(hdmi->audio_pdev))
 610                 return PTR_ERR(hdmi->audio_pdev);
 611
 612         hdmi_runtime_get(hdmi);
 613         hdmi->wp_idlemode =
 614                 REG_GET(hdmi->wp.base, HDMI_WP_SYSCONFIG, 3, 2);
 615         hdmi_runtime_put(hdmi);
 616
 617         return 0;
 618 }
 619
 620 /* -----------------------------------------------------------------------------
 621  * Component Bind & Unbind
 622  */
 623
 624 static int hdmi5_bind(struct device *dev, struct device *master, void *data)
 625 {
 626         struct dss_device *dss = dss_get_device(master);
 627         struct omap_hdmi *hdmi = dev_get_drvdata(dev);
 628         int r;
 629
 630         hdmi->dss = dss;
 631
 632         r = hdmi_pll_init(dss, hdmi->pdev, &hdmi->pll, &hdmi->wp);
 633         if (r)
 634                 return r;
 635
 636         r = hdmi_audio_register(hdmi);
 637         if (r) {
 638                 DSSERR("Registering HDMI audio failed %d\n", r);
 639                 goto err_pll_uninit;
 640         }
 641
 642         hdmi->debugfs = dss_debugfs_create_file(dss, "hdmi", hdmi_dump_regs,
 643                                                 hdmi);
 644
 645         return 0;
 646
 647 err_pll_uninit:
 648         hdmi_pll_uninit(&hdmi->pll);
 649         return r;
 650 }
 651
 652 static void hdmi5_unbind(struct device *dev, struct device *master, void *data)
 653 {
 654         struct omap_hdmi *hdmi = dev_get_drvdata(dev);
 655
 656         dss_debugfs_remove_file(hdmi->debugfs);
 657
 658         if (hdmi->audio_pdev)
 659                 platform_device_unregister(hdmi->audio_pdev);
 660
 661         hdmi_pll_uninit(&hdmi->pll);
 662 }
 663
 664 static const struct component_ops hdmi5_component_ops = {
 665         .bind   = hdmi5_bind,
 666         .unbind = hdmi5_unbind,
 667 };
 668
 669 /* -----------------------------------------------------------------------------
 670  * Probe & Remove, Suspend & Resume
 671  */
 672
 673 static int hdmi5_init_output(struct omap_hdmi *hdmi)
 674 {
 675         struct omap_dss_device *out = &hdmi->output;
 676         int r;
 677
 678         hdmi5_bridge_init(hdmi);
 679
 680         out->dev = &hdmi->pdev->dev;
 681         out->id = OMAP_DSS_OUTPUT_HDMI;
 682         out->type = OMAP_DISPLAY_TYPE_HDMI;
 683         out->name = "hdmi.0";
 684         out->dispc_channel = OMAP_DSS_CHANNEL_DIGIT;
 685         out->owner = THIS_MODULE;
 686         out->of_port = 0;
 687
 688         r = omapdss_device_init_output(out, &hdmi->bridge);
 689         if (r < 0) {
 690                 hdmi5_bridge_cleanup(hdmi);
 691                 return r;
 692         }
 693
 694         omapdss_device_register(out);
 695
 696         return 0;
 697 }
 698
 699 static void hdmi5_uninit_output(struct omap_hdmi *hdmi)
 700 {
 701         struct omap_dss_device *out = &hdmi->output;
 702
 703         omapdss_device_unregister(out);
 704         omapdss_device_cleanup_output(out);
 705
 706         hdmi5_bridge_cleanup(hdmi);
 707 }
 708
 709 static int hdmi5_probe_of(struct omap_hdmi *hdmi)
 710 {
 711         struct platform_device *pdev = hdmi->pdev;
 712         struct device_node *node = pdev->dev.of_node;
 713         struct device_node *ep;
 714         int r;
 715
 716         ep = of_graph_get_endpoint_by_regs(node, 0, 0);
 717         if (!ep)
 718                 return 0;
 719
 720         r = hdmi_parse_lanes_of(pdev, ep, &hdmi->phy);
 721         of_node_put(ep);
 722         return r;
 723 }
 724
 725 static int hdmi5_probe(struct platform_device *pdev)
 726 {
 727         struct omap_hdmi *hdmi;
 728         int irq;
 729         int r;
 730
 731         hdmi = kzalloc(sizeof(*hdmi), GFP_KERNEL);
 732         if (!hdmi)
 733                 return -ENOMEM;
 734
 735         hdmi->pdev = pdev;
 736
 737         dev_set_drvdata(&pdev->dev, hdmi);
 738
 739         mutex_init(&hdmi->lock);
 740         spin_lock_init(&hdmi->audio_playing_lock);
 741
 742         r = hdmi5_probe_of(hdmi);
 743         if (r)
 744                 goto err_free;
 745
 746         r = hdmi_wp_init(pdev, &hdmi->wp, 5);
 747         if (r)
 748                 goto err_free;
 749
 750         r = hdmi_phy_init(pdev, &hdmi->phy, 5);
 751         if (r)
 752                 goto err_free;
 753
 754         r = hdmi5_core_init(pdev, &hdmi->core);
 755         if (r)
 756                 goto err_free;
 757
 758         irq = platform_get_irq(pdev, 0);
 759         if (irq < 0) {
 760                 DSSERR("platform_get_irq failed\n");
 761                 r = -ENODEV;
 762                 goto err_free;
 763         }
 764
 765         r = devm_request_threaded_irq(&pdev->dev, irq,
 766                         NULL, hdmi_irq_handler,
 767                         IRQF_ONESHOT, "OMAP HDMI", hdmi);
 768         if (r) {
 769                 DSSERR("HDMI IRQ request failed\n");
 770                 goto err_free;
 771         }
 772
 773         hdmi->vdda_reg = devm_regulator_get(&pdev->dev, "vdda");
 774         if (IS_ERR(hdmi->vdda_reg)) {
 775                 r = PTR_ERR(hdmi->vdda_reg);
 776                 if (r != -EPROBE_DEFER)
 777                         DSSERR("can't get VDDA regulator\n");
 778                 goto err_free;
 779         }
 780
 781         pm_runtime_enable(&pdev->dev);
 782
 783         r = hdmi5_init_output(hdmi);
 784         if (r)
 785                 goto err_pm_disable;
 786
 787         r = component_add(&pdev->dev, &hdmi5_component_ops);
 788         if (r)
 789                 goto err_uninit_output;
 790
 791         return 0;
 792
 793 err_uninit_output:
 794         hdmi5_uninit_output(hdmi);
 795 err_pm_disable:
 796         pm_runtime_disable(&pdev->dev);
 797 err_free:
 798         kfree(hdmi);
 799         return r;
 800 }
 801
 802 static int hdmi5_remove(struct platform_device *pdev)
 803 {
 804         struct omap_hdmi *hdmi = platform_get_drvdata(pdev);
 805
 806         component_del(&pdev->dev, &hdmi5_component_ops);
 807
 808         hdmi5_uninit_output(hdmi);
 809
 810         pm_runtime_disable(&pdev->dev);
 811
 812         kfree(hdmi);
 813         return 0;
 814 }
 815
 816 static const struct of_device_id hdmi_of_match[] = {
 817         { .compatible = "ti,omap5-hdmi", },
 818         { .compatible = "ti,dra7-hdmi", },
 819         {},
 820 };
 821
 822 struct platform_driver omapdss_hdmi5hw_driver = {
 823         .probe          = hdmi5_probe,
 824         .remove         = hdmi5_remove,
 825         .driver         = {
 826                 .name   = "omapdss_hdmi5",
 827                 .of_match_table = hdmi_of_match,
 828                 .suppress_bind_attrs = true,
 829         },
 830 };