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

   1 /*
   2  * HDMI driver for OMAP5
   3  *
   4  * Copyright (C) 2014 Texas Instruments Incorporated
   5  *
   6  * Authors:
   7  *      Yong Zhi
   8  *      Mythri pk
   9  *      Archit Taneja <archit@ti.com>
  10  *      Tomi Valkeinen <tomi.valkeinen@ti.com>
  11  *
  12  * This program is free software; you can redistribute it and/or modify it
  13  * under the terms of the GNU General Public License version 2 as published by
  14  * the Free Software Foundation.
  15  *
  16  * This program is distributed in the hope that it will be useful, but WITHOUT
  17  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  18  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
  19  * more details.
  20  *
  21  * You should have received a copy of the GNU General Public License along with
  22  * this program.  If not, see <http://www.gnu.org/licenses/>.
  23  */
  24
  25 #define DSS_SUBSYS_NAME "HDMI"
  26
  27 #include <linux/kernel.h>
  28 #include <linux/module.h>
  29 #include <linux/err.h>
  30 #include <linux/io.h>
  31 #include <linux/interrupt.h>
  32 #include <linux/mutex.h>
  33 #include <linux/delay.h>
  34 #include <linux/string.h>
  35 #include <linux/platform_device.h>
  36 #include <linux/pm_runtime.h>
  37 #include <linux/clk.h>
  38 #include <linux/gpio.h>
  39 #include <linux/regulator/consumer.h>
  40 #include <linux/component.h>
  41 #include <linux/of.h>
  42 #include <video/omapdss.h>
  43 #include <sound/omap-hdmi-audio.h>
  44
  45 #include "hdmi5_core.h"
  46 #include "dss.h"
  47 #include "dss_features.h"
  48
  49 static struct omap_hdmi hdmi;
  50
  51 static int hdmi_runtime_get(void)
  52 {
  53         int r;
  54
  55         DSSDBG("hdmi_runtime_get\n");
  56
  57         r = pm_runtime_get_sync(&hdmi.pdev->dev);
  58         WARN_ON(r < 0);
  59         if (r < 0)
  60                 return r;
  61
  62         return 0;
  63 }
  64
  65 static void hdmi_runtime_put(void)
  66 {
  67         int r;
  68
  69         DSSDBG("hdmi_runtime_put\n");
  70
  71         r = pm_runtime_put_sync(&hdmi.pdev->dev);
  72         WARN_ON(r < 0 && r != -ENOSYS);
  73 }
  74
  75 static irqreturn_t hdmi_irq_handler(int irq, void *data)
  76 {
  77         struct hdmi_wp_data *wp = data;
  78         u32 irqstatus;
  79
  80         irqstatus = hdmi_wp_get_irqstatus(wp);
  81         hdmi_wp_set_irqstatus(wp, irqstatus);
  82
  83         if ((irqstatus & HDMI_IRQ_LINK_CONNECT) &&
  84                         irqstatus & HDMI_IRQ_LINK_DISCONNECT) {
  85                 u32 v;
  86                 /*
  87                  * If we get both connect and disconnect interrupts at the same
  88                  * time, turn off the PHY, clear interrupts, and restart, which
  89                  * raises connect interrupt if a cable is connected, or nothing
  90                  * if cable is not connected.
  91                  */
  92
  93                 hdmi_wp_set_phy_pwr(wp, HDMI_PHYPWRCMD_OFF);
  94
  95                 /*
  96                  * We always get bogus CONNECT & DISCONNECT interrupts when
  97                  * setting the PHY to LDOON. To ignore those, we force the RXDET
  98                  * line to 0 until the PHY power state has been changed.
  99                  */
 100                 v = hdmi_read_reg(hdmi.phy.base, HDMI_TXPHY_PAD_CFG_CTRL);
 101                 v = FLD_MOD(v, 1, 15, 15); /* FORCE_RXDET_HIGH */
 102                 v = FLD_MOD(v, 0, 14, 7); /* RXDET_LINE */
 103                 hdmi_write_reg(hdmi.phy.base, HDMI_TXPHY_PAD_CFG_CTRL, v);
 104
 105                 hdmi_wp_set_irqstatus(wp, HDMI_IRQ_LINK_CONNECT |
 106                                 HDMI_IRQ_LINK_DISCONNECT);
 107
 108                 hdmi_wp_set_phy_pwr(wp, HDMI_PHYPWRCMD_LDOON);
 109
 110                 REG_FLD_MOD(hdmi.phy.base, HDMI_TXPHY_PAD_CFG_CTRL, 0, 15, 15);
 111
 112         } else if (irqstatus & HDMI_IRQ_LINK_CONNECT) {
 113                 hdmi_wp_set_phy_pwr(wp, HDMI_PHYPWRCMD_TXON);
 114         } else if (irqstatus & HDMI_IRQ_LINK_DISCONNECT) {
 115                 hdmi_wp_set_phy_pwr(wp, HDMI_PHYPWRCMD_LDOON);
 116         }
 117
 118         return IRQ_HANDLED;
 119 }
 120
 121 static int hdmi_init_regulator(void)
 122 {
 123         int r;
 124         struct regulator *reg;
 125
 126         if (hdmi.vdda_reg != NULL)
 127                 return 0;
 128
 129         reg = devm_regulator_get(&hdmi.pdev->dev, "vdda");
 130         if (IS_ERR(reg)) {
 131                 DSSERR("can't get VDDA regulator\n");
 132                 return PTR_ERR(reg);
 133         }
 134
 135         hdmi.vdda_reg = reg;
 136
 137         return 0;
 138 }
 139
 140 static int hdmi_power_on_core(struct omap_dss_device *dssdev)
 141 {
 142         int r;
 143
 144         r = regulator_enable(hdmi.vdda_reg);
 145         if (r)
 146                 return r;
 147
 148         r = hdmi_runtime_get();
 149         if (r)
 150                 goto err_runtime_get;
 151
 152         /* Make selection of HDMI in DSS */
 153         dss_select_hdmi_venc_clk_source(DSS_HDMI_M_PCLK);
 154
 155         hdmi.core_enabled = true;
 156
 157         return 0;
 158
 159 err_runtime_get:
 160         regulator_disable(hdmi.vdda_reg);
 161
 162         return r;
 163 }
 164
 165 static void hdmi_power_off_core(struct omap_dss_device *dssdev)
 166 {
 167         hdmi.core_enabled = false;
 168
 169         hdmi_runtime_put();
 170         regulator_disable(hdmi.vdda_reg);
 171 }
 172
 173 static int hdmi_power_on_full(struct omap_dss_device *dssdev)
 174 {
 175         int r;
 176         struct omap_video_timings *p;
 177         enum omap_channel channel = dssdev->dispc_channel;
 178         struct dss_pll_clock_info hdmi_cinfo = { 0 };
 179         unsigned pc;
 180
 181         r = hdmi_power_on_core(dssdev);
 182         if (r)
 183                 return r;
 184
 185         p = &hdmi.cfg.timings;
 186
 187         DSSDBG("hdmi_power_on x_res= %d y_res = %d\n", p->x_res, p->y_res);
 188
 189         pc = p->pixelclock;
 190         if (p->double_pixel)
 191                 pc *= 2;
 192
 193         hdmi_pll_compute(&hdmi.pll, pc, &hdmi_cinfo);
 194
 195         /* disable and clear irqs */
 196         hdmi_wp_clear_irqenable(&hdmi.wp, 0xffffffff);
 197         hdmi_wp_set_irqstatus(&hdmi.wp,
 198                         hdmi_wp_get_irqstatus(&hdmi.wp));
 199
 200         r = dss_pll_enable(&hdmi.pll.pll);
 201         if (r) {
 202                 DSSERR("Failed to enable PLL\n");
 203                 goto err_pll_enable;
 204         }
 205
 206         r = dss_pll_set_config(&hdmi.pll.pll, &hdmi_cinfo);
 207         if (r) {
 208                 DSSERR("Failed to configure PLL\n");
 209                 goto err_pll_cfg;
 210         }
 211
 212         r = hdmi_phy_configure(&hdmi.phy, hdmi_cinfo.clkdco,
 213                 hdmi_cinfo.clkout[0]);
 214         if (r) {
 215                 DSSDBG("Failed to start PHY\n");
 216                 goto err_phy_cfg;
 217         }
 218
 219         r = hdmi_wp_set_phy_pwr(&hdmi.wp, HDMI_PHYPWRCMD_LDOON);
 220         if (r)
 221                 goto err_phy_pwr;
 222
 223         hdmi5_configure(&hdmi.core, &hdmi.wp, &hdmi.cfg);
 224
 225         /* bypass TV gamma table */
 226         dispc_enable_gamma_table(0);
 227
 228         /* tv size */
 229         dss_mgr_set_timings(channel, p);
 230
 231         r = dss_mgr_enable(channel);
 232         if (r)
 233                 goto err_mgr_enable;
 234
 235         r = hdmi_wp_video_start(&hdmi.wp);
 236         if (r)
 237                 goto err_vid_enable;
 238
 239         hdmi_wp_set_irqenable(&hdmi.wp,
 240                         HDMI_IRQ_LINK_CONNECT | HDMI_IRQ_LINK_DISCONNECT);
 241
 242         return 0;
 243
 244 err_vid_enable:
 245         dss_mgr_disable(channel);
 246 err_mgr_enable:
 247         hdmi_wp_set_phy_pwr(&hdmi.wp, HDMI_PHYPWRCMD_OFF);
 248 err_phy_pwr:
 249 err_phy_cfg:
 250 err_pll_cfg:
 251         dss_pll_disable(&hdmi.pll.pll);
 252 err_pll_enable:
 253         hdmi_power_off_core(dssdev);
 254         return -EIO;
 255 }
 256
 257 static void hdmi_power_off_full(struct omap_dss_device *dssdev)
 258 {
 259         enum omap_channel channel = dssdev->dispc_channel;
 260
 261         hdmi_wp_clear_irqenable(&hdmi.wp, 0xffffffff);
 262
 263         hdmi_wp_video_stop(&hdmi.wp);
 264
 265         dss_mgr_disable(channel);
 266
 267         hdmi_wp_set_phy_pwr(&hdmi.wp, HDMI_PHYPWRCMD_OFF);
 268
 269         dss_pll_disable(&hdmi.pll.pll);
 270
 271         hdmi_power_off_core(dssdev);
 272 }
 273
 274 static int hdmi_display_check_timing(struct omap_dss_device *dssdev,
 275                                         struct omap_video_timings *timings)
 276 {
 277         if (!dispc_mgr_timings_ok(dssdev->dispc_channel, timings))
 278                 return -EINVAL;
 279
 280         return 0;
 281 }
 282
 283 static void hdmi_display_set_timing(struct omap_dss_device *dssdev,
 284                 struct omap_video_timings *timings)
 285 {
 286         mutex_lock(&hdmi.lock);
 287
 288         hdmi.cfg.timings = *timings;
 289
 290         dispc_set_tv_pclk(timings->pixelclock);
 291
 292         mutex_unlock(&hdmi.lock);
 293 }
 294
 295 static void hdmi_display_get_timings(struct omap_dss_device *dssdev,
 296                 struct omap_video_timings *timings)
 297 {
 298         *timings = hdmi.cfg.timings;
 299 }
 300
 301 static void hdmi_dump_regs(struct seq_file *s)
 302 {
 303         mutex_lock(&hdmi.lock);
 304
 305         if (hdmi_runtime_get()) {
 306                 mutex_unlock(&hdmi.lock);
 307                 return;
 308         }
 309
 310         hdmi_wp_dump(&hdmi.wp, s);
 311         hdmi_pll_dump(&hdmi.pll, s);
 312         hdmi_phy_dump(&hdmi.phy, s);
 313         hdmi5_core_dump(&hdmi.core, s);
 314
 315         hdmi_runtime_put();
 316         mutex_unlock(&hdmi.lock);
 317 }
 318
 319 static int read_edid(u8 *buf, int len)
 320 {
 321         int r;
 322         int idlemode;
 323
 324         mutex_lock(&hdmi.lock);
 325
 326         r = hdmi_runtime_get();
 327         BUG_ON(r);
 328
 329         idlemode = REG_GET(hdmi.wp.base, HDMI_WP_SYSCONFIG, 3, 2);
 330         /* No-idle mode */
 331         REG_FLD_MOD(hdmi.wp.base, HDMI_WP_SYSCONFIG, 1, 3, 2);
 332
 333         r = hdmi5_read_edid(&hdmi.core,  buf, len);
 334
 335         REG_FLD_MOD(hdmi.wp.base, HDMI_WP_SYSCONFIG, idlemode, 3, 2);
 336
 337         hdmi_runtime_put();
 338         mutex_unlock(&hdmi.lock);
 339
 340         return r;
 341 }
 342
 343 static void hdmi_start_audio_stream(struct omap_hdmi *hd)
 344 {
 345         REG_FLD_MOD(hdmi.wp.base, HDMI_WP_SYSCONFIG, 1, 3, 2);
 346         hdmi_wp_audio_enable(&hd->wp, true);
 347         hdmi_wp_audio_core_req_enable(&hd->wp, true);
 348 }
 349
 350 static void hdmi_stop_audio_stream(struct omap_hdmi *hd)
 351 {
 352         hdmi_wp_audio_core_req_enable(&hd->wp, false);
 353         hdmi_wp_audio_enable(&hd->wp, false);
 354         REG_FLD_MOD(hd->wp.base, HDMI_WP_SYSCONFIG, hd->wp_idlemode, 3, 2);
 355 }
 356
 357 static int hdmi_display_enable(struct omap_dss_device *dssdev)
 358 {
 359         struct omap_dss_device *out = &hdmi.output;
 360         unsigned long flags;
 361         int r = 0;
 362
 363         DSSDBG("ENTER hdmi_display_enable\n");
 364
 365         mutex_lock(&hdmi.lock);
 366
 367         if (!out->dispc_channel_connected) {
 368                 DSSERR("failed to enable display: no output/manager\n");
 369                 r = -ENODEV;
 370                 goto err0;
 371         }
 372
 373         r = hdmi_power_on_full(dssdev);
 374         if (r) {
 375                 DSSERR("failed to power on device\n");
 376                 goto err0;
 377         }
 378
 379         if (hdmi.audio_configured) {
 380                 r = hdmi5_audio_config(&hdmi.core, &hdmi.wp, &hdmi.audio_config,
 381                                        hdmi.cfg.timings.pixelclock);
 382                 if (r) {
 383                         DSSERR("Error restoring audio configuration: %d", r);
 384                         hdmi.audio_abort_cb(&hdmi.pdev->dev);
 385                         hdmi.audio_configured = false;
 386                 }
 387         }
 388
 389         spin_lock_irqsave(&hdmi.audio_playing_lock, flags);
 390         if (hdmi.audio_configured && hdmi.audio_playing)
 391                 hdmi_start_audio_stream(&hdmi);
 392         hdmi.display_enabled = true;
 393         spin_unlock_irqrestore(&hdmi.audio_playing_lock, flags);
 394
 395         mutex_unlock(&hdmi.lock);
 396         return 0;
 397
 398 err0:
 399         mutex_unlock(&hdmi.lock);
 400         return r;
 401 }
 402
 403 static void hdmi_display_disable(struct omap_dss_device *dssdev)
 404 {
 405         unsigned long flags;
 406
 407         DSSDBG("Enter hdmi_display_disable\n");
 408
 409         mutex_lock(&hdmi.lock);
 410
 411         spin_lock_irqsave(&hdmi.audio_playing_lock, flags);
 412         hdmi_stop_audio_stream(&hdmi);
 413         hdmi.display_enabled = false;
 414         spin_unlock_irqrestore(&hdmi.audio_playing_lock, flags);
 415
 416         hdmi_power_off_full(dssdev);
 417
 418         mutex_unlock(&hdmi.lock);
 419 }
 420
 421 static int hdmi_core_enable(struct omap_dss_device *dssdev)
 422 {
 423         int r = 0;
 424
 425         DSSDBG("ENTER omapdss_hdmi_core_enable\n");
 426
 427         mutex_lock(&hdmi.lock);
 428
 429         r = hdmi_power_on_core(dssdev);
 430         if (r) {
 431                 DSSERR("failed to power on device\n");
 432                 goto err0;
 433         }
 434
 435         mutex_unlock(&hdmi.lock);
 436         return 0;
 437
 438 err0:
 439         mutex_unlock(&hdmi.lock);
 440         return r;
 441 }
 442
 443 static void hdmi_core_disable(struct omap_dss_device *dssdev)
 444 {
 445         DSSDBG("Enter omapdss_hdmi_core_disable\n");
 446
 447         mutex_lock(&hdmi.lock);
 448
 449         hdmi_power_off_core(dssdev);
 450
 451         mutex_unlock(&hdmi.lock);
 452 }
 453
 454 static int hdmi_connect(struct omap_dss_device *dssdev,
 455                 struct omap_dss_device *dst)
 456 {
 457         enum omap_channel channel = dssdev->dispc_channel;
 458         int r;
 459
 460         r = hdmi_init_regulator();
 461         if (r)
 462                 return r;
 463
 464         r = dss_mgr_connect(channel, dssdev);
 465         if (r)
 466                 return r;
 467
 468         r = omapdss_output_set_device(dssdev, dst);
 469         if (r) {
 470                 DSSERR("failed to connect output to new device: %s\n",
 471                                 dst->name);
 472                 dss_mgr_disconnect(channel, dssdev);
 473                 return r;
 474         }
 475
 476         return 0;
 477 }
 478
 479 static void hdmi_disconnect(struct omap_dss_device *dssdev,
 480                 struct omap_dss_device *dst)
 481 {
 482         enum omap_channel channel = dssdev->dispc_channel;
 483
 484         WARN_ON(dst != dssdev->dst);
 485
 486         if (dst != dssdev->dst)
 487                 return;
 488
 489         omapdss_output_unset_device(dssdev);
 490
 491         dss_mgr_disconnect(channel, dssdev);
 492 }
 493
 494 static int hdmi_read_edid(struct omap_dss_device *dssdev,
 495                 u8 *edid, int len)
 496 {
 497         bool need_enable;
 498         int r;
 499
 500         need_enable = hdmi.core_enabled == false;
 501
 502         if (need_enable) {
 503                 r = hdmi_core_enable(dssdev);
 504                 if (r)
 505                         return r;
 506         }
 507
 508         r = read_edid(edid, len);
 509
 510         if (need_enable)
 511                 hdmi_core_disable(dssdev);
 512
 513         return r;
 514 }
 515
 516 static int hdmi_set_infoframe(struct omap_dss_device *dssdev,
 517                 const struct hdmi_avi_infoframe *avi)
 518 {
 519         hdmi.cfg.infoframe = *avi;
 520         return 0;
 521 }
 522
 523 static int hdmi_set_hdmi_mode(struct omap_dss_device *dssdev,
 524                 bool hdmi_mode)
 525 {
 526         hdmi.cfg.hdmi_dvi_mode = hdmi_mode ? HDMI_HDMI : HDMI_DVI;
 527         return 0;
 528 }
 529
 530 static const struct omapdss_hdmi_ops hdmi_ops = {
 531         .connect                = hdmi_connect,
 532         .disconnect             = hdmi_disconnect,
 533
 534         .enable                 = hdmi_display_enable,
 535         .disable                = hdmi_display_disable,
 536
 537         .check_timings          = hdmi_display_check_timing,
 538         .set_timings            = hdmi_display_set_timing,
 539         .get_timings            = hdmi_display_get_timings,
 540
 541         .read_edid              = hdmi_read_edid,
 542         .set_infoframe          = hdmi_set_infoframe,
 543         .set_hdmi_mode          = hdmi_set_hdmi_mode,
 544 };
 545
 546 static void hdmi_init_output(struct platform_device *pdev)
 547 {
 548         struct omap_dss_device *out = &hdmi.output;
 549
 550         out->dev = &pdev->dev;
 551         out->id = OMAP_DSS_OUTPUT_HDMI;
 552         out->output_type = OMAP_DISPLAY_TYPE_HDMI;
 553         out->name = "hdmi.0";
 554         out->dispc_channel = OMAP_DSS_CHANNEL_DIGIT;
 555         out->ops.hdmi = &hdmi_ops;
 556         out->owner = THIS_MODULE;
 557
 558         omapdss_register_output(out);
 559 }
 560
 561 static void hdmi_uninit_output(struct platform_device *pdev)
 562 {
 563         struct omap_dss_device *out = &hdmi.output;
 564
 565         omapdss_unregister_output(out);
 566 }
 567
 568 static int hdmi_probe_of(struct platform_device *pdev)
 569 {
 570         struct device_node *node = pdev->dev.of_node;
 571         struct device_node *ep;
 572         int r;
 573
 574         ep = omapdss_of_get_first_endpoint(node);
 575         if (!ep)
 576                 return 0;
 577
 578         r = hdmi_parse_lanes_of(pdev, ep, &hdmi.phy);
 579         if (r)
 580                 goto err;
 581
 582         of_node_put(ep);
 583         return 0;
 584
 585 err:
 586         of_node_put(ep);
 587         return r;
 588 }
 589
 590 /* Audio callbacks */
 591 static int hdmi_audio_startup(struct device *dev,
 592                               void (*abort_cb)(struct device *dev))
 593 {
 594         struct omap_hdmi *hd = dev_get_drvdata(dev);
 595         int ret = 0;
 596
 597         mutex_lock(&hd->lock);
 598
 599         if (!hdmi_mode_has_audio(&hd->cfg) || !hd->display_enabled) {
 600                 ret = -EPERM;
 601                 goto out;
 602         }
 603
 604         hd->audio_abort_cb = abort_cb;
 605
 606 out:
 607         mutex_unlock(&hd->lock);
 608
 609         return ret;
 610 }
 611
 612 static int hdmi_audio_shutdown(struct device *dev)
 613 {
 614         struct omap_hdmi *hd = dev_get_drvdata(dev);
 615
 616         mutex_lock(&hd->lock);
 617         hd->audio_abort_cb = NULL;
 618         hd->audio_configured = false;
 619         hd->audio_playing = false;
 620         mutex_unlock(&hd->lock);
 621
 622         return 0;
 623 }
 624
 625 static int hdmi_audio_start(struct device *dev)
 626 {
 627         struct omap_hdmi *hd = dev_get_drvdata(dev);
 628         unsigned long flags;
 629
 630         WARN_ON(!hdmi_mode_has_audio(&hd->cfg));
 631
 632         spin_lock_irqsave(&hd->audio_playing_lock, flags);
 633
 634         if (hd->display_enabled)
 635                 hdmi_start_audio_stream(hd);
 636         hd->audio_playing = true;
 637
 638         spin_unlock_irqrestore(&hd->audio_playing_lock, flags);
 639         return 0;
 640 }
 641
 642 static void hdmi_audio_stop(struct device *dev)
 643 {
 644         struct omap_hdmi *hd = dev_get_drvdata(dev);
 645         unsigned long flags;
 646
 647         WARN_ON(!hdmi_mode_has_audio(&hd->cfg));
 648
 649         spin_lock_irqsave(&hd->audio_playing_lock, flags);
 650
 651         if (hd->display_enabled)
 652                 hdmi_stop_audio_stream(hd);
 653         hd->audio_playing = false;
 654
 655         spin_unlock_irqrestore(&hd->audio_playing_lock, flags);
 656 }
 657
 658 static int hdmi_audio_config(struct device *dev,
 659                              struct omap_dss_audio *dss_audio)
 660 {
 661         struct omap_hdmi *hd = dev_get_drvdata(dev);
 662         int ret;
 663
 664         mutex_lock(&hd->lock);
 665
 666         if (!hdmi_mode_has_audio(&hd->cfg) || !hd->display_enabled) {
 667                 ret = -EPERM;
 668                 goto out;
 669         }
 670
 671         ret = hdmi5_audio_config(&hd->core, &hd->wp, dss_audio,
 672                                  hd->cfg.timings.pixelclock);
 673
 674         if (!ret) {
 675                 hd->audio_configured = true;
 676                 hd->audio_config = *dss_audio;
 677         }
 678 out:
 679         mutex_unlock(&hd->lock);
 680
 681         return ret;
 682 }
 683
 684 static const struct omap_hdmi_audio_ops hdmi_audio_ops = {
 685         .audio_startup = hdmi_audio_startup,
 686         .audio_shutdown = hdmi_audio_shutdown,
 687         .audio_start = hdmi_audio_start,
 688         .audio_stop = hdmi_audio_stop,
 689         .audio_config = hdmi_audio_config,
 690 };
 691
 692 static int hdmi_audio_register(struct device *dev)
 693 {
 694         struct omap_hdmi_audio_pdata pdata = {
 695                 .dev = dev,
 696                 .dss_version = omapdss_get_version(),
 697                 .audio_dma_addr = hdmi_wp_get_audio_dma_addr(&hdmi.wp),
 698                 .ops = &hdmi_audio_ops,
 699         };
 700
 701         hdmi.audio_pdev = platform_device_register_data(
 702                 dev, "omap-hdmi-audio", PLATFORM_DEVID_AUTO,
 703                 &pdata, sizeof(pdata));
 704
 705         if (IS_ERR(hdmi.audio_pdev))
 706                 return PTR_ERR(hdmi.audio_pdev);
 707
 708         hdmi_runtime_get();
 709         hdmi.wp_idlemode =
 710                 REG_GET(hdmi.wp.base, HDMI_WP_SYSCONFIG, 3, 2);
 711         hdmi_runtime_put();
 712
 713         return 0;
 714 }
 715
 716 /* HDMI HW IP initialisation */
 717 static int hdmi5_bind(struct device *dev, struct device *master, void *data)
 718 {
 719         struct platform_device *pdev = to_platform_device(dev);
 720         int r;
 721         int irq;
 722
 723         hdmi.pdev = pdev;
 724         dev_set_drvdata(&pdev->dev, &hdmi);
 725
 726         mutex_init(&hdmi.lock);
 727         spin_lock_init(&hdmi.audio_playing_lock);
 728
 729         if (pdev->dev.of_node) {
 730                 r = hdmi_probe_of(pdev);
 731                 if (r)
 732                         return r;
 733         }
 734
 735         r = hdmi_wp_init(pdev, &hdmi.wp);
 736         if (r)
 737                 return r;
 738
 739         r = hdmi_pll_init(pdev, &hdmi.pll, &hdmi.wp);
 740         if (r)
 741                 return r;
 742
 743         r = hdmi_phy_init(pdev, &hdmi.phy);
 744         if (r)
 745                 goto err;
 746
 747         r = hdmi5_core_init(pdev, &hdmi.core);
 748         if (r)
 749                 goto err;
 750
 751         irq = platform_get_irq(pdev, 0);
 752         if (irq < 0) {
 753                 DSSERR("platform_get_irq failed\n");
 754                 r = -ENODEV;
 755                 goto err;
 756         }
 757
 758         r = devm_request_threaded_irq(&pdev->dev, irq,
 759                         NULL, hdmi_irq_handler,
 760                         IRQF_ONESHOT, "OMAP HDMI", &hdmi.wp);
 761         if (r) {
 762                 DSSERR("HDMI IRQ request failed\n");
 763                 goto err;
 764         }
 765
 766         pm_runtime_enable(&pdev->dev);
 767
 768         hdmi_init_output(pdev);
 769
 770         r = hdmi_audio_register(&pdev->dev);
 771         if (r) {
 772                 DSSERR("Registering HDMI audio failed %d\n", r);
 773                 hdmi_uninit_output(pdev);
 774                 pm_runtime_disable(&pdev->dev);
 775                 return r;
 776         }
 777
 778         dss_debugfs_create_file("hdmi", hdmi_dump_regs);
 779
 780         return 0;
 781 err:
 782         hdmi_pll_uninit(&hdmi.pll);
 783         return r;
 784 }
 785
 786 static void hdmi5_unbind(struct device *dev, struct device *master, void *data)
 787 {
 788         struct platform_device *pdev = to_platform_device(dev);
 789
 790         if (hdmi.audio_pdev)
 791                 platform_device_unregister(hdmi.audio_pdev);
 792
 793         hdmi_uninit_output(pdev);
 794
 795         hdmi_pll_uninit(&hdmi.pll);
 796
 797         pm_runtime_disable(&pdev->dev);
 798 }
 799
 800 static const struct component_ops hdmi5_component_ops = {
 801         .bind   = hdmi5_bind,
 802         .unbind = hdmi5_unbind,
 803 };
 804
 805 static int hdmi5_probe(struct platform_device *pdev)
 806 {
 807         return component_add(&pdev->dev, &hdmi5_component_ops);
 808 }
 809
 810 static int hdmi5_remove(struct platform_device *pdev)
 811 {
 812         component_del(&pdev->dev, &hdmi5_component_ops);
 813         return 0;
 814 }
 815
 816 static int hdmi_runtime_suspend(struct device *dev)
 817 {
 818         dispc_runtime_put();
 819
 820         return 0;
 821 }
 822
 823 static int hdmi_runtime_resume(struct device *dev)
 824 {
 825         int r;
 826
 827         r = dispc_runtime_get();
 828         if (r < 0)
 829                 return r;
 830
 831         return 0;
 832 }
 833
 834 static const struct dev_pm_ops hdmi_pm_ops = {
 835         .runtime_suspend = hdmi_runtime_suspend,
 836         .runtime_resume = hdmi_runtime_resume,
 837 };
 838
 839 static const struct of_device_id hdmi_of_match[] = {
 840         { .compatible = "ti,omap5-hdmi", },
 841         { .compatible = "ti,dra7-hdmi", },
 842         {},
 843 };
 844
 845 static struct platform_driver omapdss_hdmihw_driver = {
 846         .probe          = hdmi5_probe,
 847         .remove         = hdmi5_remove,
 848         .driver         = {
 849                 .name   = "omapdss_hdmi5",
 850                 .pm     = &hdmi_pm_ops,
 851                 .of_match_table = hdmi_of_match,
 852                 .suppress_bind_attrs = true,
 853         },
 854 };
 855
 856 int __init hdmi5_init_platform_driver(void)
 857 {
 858         return platform_driver_register(&omapdss_hdmihw_driver);
 859 }
 860
 861 void hdmi5_uninit_platform_driver(void)
 862 {
 863         platform_driver_unregister(&omapdss_hdmihw_driver);
 864 }