sound/pci/hda/patch_hdmi.c

   1 // SPDX-License-Identifier: GPL-2.0-or-later
   2 /*
   3  *
   4  *  patch_hdmi.c - routines for HDMI/DisplayPort codecs
   5  *
   6  *  Copyright(c) 2008-2010 Intel Corporation. All rights reserved.
   7  *  Copyright (c) 2006 ATI Technologies Inc.
   8  *  Copyright (c) 2008 NVIDIA Corp.  All rights reserved.
   9  *  Copyright (c) 2008 Wei Ni <wni@nvidia.com>
  10  *  Copyright (c) 2013 Anssi Hannula <anssi.hannula@iki.fi>
  11  *
  12  *  Authors:
  13  *                      Wu Fengguang <wfg@linux.intel.com>
  14  *
  15  *  Maintained by:
  16  *                      Wu Fengguang <wfg@linux.intel.com>
  17  */
  18
  19 #include <linux/init.h>
  20 #include <linux/delay.h>
  21 #include <linux/pci.h>
  22 #include <linux/slab.h>
  23 #include <linux/module.h>
  24 #include <linux/pm_runtime.h>
  25 #include <sound/core.h>
  26 #include <sound/jack.h>
  27 #include <sound/asoundef.h>
  28 #include <sound/tlv.h>
  29 #include <sound/hdaudio.h>
  30 #include <sound/hda_i915.h>
  31 #include <sound/hda_chmap.h>
  32 #include <sound/hda_codec.h>
  33 #include "hda_local.h"
  34 #include "hda_jack.h"
  35 #include "hda_controller.h"
  36
  37 static bool static_hdmi_pcm;
  38 module_param(static_hdmi_pcm, bool, 0644);
  39 MODULE_PARM_DESC(static_hdmi_pcm, "Don't restrict PCM parameters per ELD info");
  40
  41 static bool enable_acomp = true;
  42 module_param(enable_acomp, bool, 0444);
  43 MODULE_PARM_DESC(enable_acomp, "Enable audio component binding (default=yes)");
  44
  45 static bool enable_silent_stream =
  46 IS_ENABLED(CONFIG_SND_HDA_INTEL_HDMI_SILENT_STREAM);
  47 module_param(enable_silent_stream, bool, 0644);
  48 MODULE_PARM_DESC(enable_silent_stream, "Enable Silent Stream for HDMI devices");
  49
  50 static bool enable_all_pins;
  51 module_param(enable_all_pins, bool, 0444);
  52 MODULE_PARM_DESC(enable_all_pins, "Forcibly enable all pins");
  53
  54 struct hdmi_spec_per_cvt {
  55         hda_nid_t cvt_nid;
  56         bool assigned;          /* the stream has been assigned */
  57         bool silent_stream;     /* silent stream activated */
  58         unsigned int channels_min;
  59         unsigned int channels_max;
  60         u32 rates;
  61         u64 formats;
  62         unsigned int maxbps;
  63 };
  64
  65 /* max. connections to a widget */
  66 #define HDA_MAX_CONNECTIONS     32
  67
  68 struct hdmi_spec_per_pin {
  69         hda_nid_t pin_nid;
  70         int dev_id;
  71         /* pin idx, different device entries on the same pin use the same idx */
  72         int pin_nid_idx;
  73         int num_mux_nids;
  74         hda_nid_t mux_nids[HDA_MAX_CONNECTIONS];
  75         int mux_idx;
  76         hda_nid_t cvt_nid;
  77
  78         struct hda_codec *codec;
  79         struct hdmi_eld sink_eld;
  80         struct mutex lock;
  81         struct delayed_work work;
  82         struct hdmi_pcm *pcm; /* pointer to spec->pcm_rec[n] dynamically*/
  83         int pcm_idx; /* which pcm is attached. -1 means no pcm is attached */
  84         int prev_pcm_idx; /* previously assigned pcm index */
  85         int repoll_count;
  86         bool setup; /* the stream has been set up by prepare callback */
  87         bool silent_stream;
  88         int channels; /* current number of channels */
  89         bool non_pcm;
  90         bool chmap_set;         /* channel-map override by ALSA API? */
  91         unsigned char chmap[8]; /* ALSA API channel-map */
  92 #ifdef CONFIG_SND_PROC_FS
  93         struct snd_info_entry *proc_entry;
  94 #endif
  95 };
  96
  97 /* operations used by generic code that can be overridden by patches */
  98 struct hdmi_ops {
  99         int (*pin_get_eld)(struct hda_codec *codec, hda_nid_t pin_nid,
 100                            int dev_id, unsigned char *buf, int *eld_size);
 101
 102         void (*pin_setup_infoframe)(struct hda_codec *codec, hda_nid_t pin_nid,
 103                                     int dev_id,
 104                                     int ca, int active_channels, int conn_type);
 105
 106         /* enable/disable HBR (HD passthrough) */
 107         int (*pin_hbr_setup)(struct hda_codec *codec, hda_nid_t pin_nid,
 108                              int dev_id, bool hbr);
 109
 110         int (*setup_stream)(struct hda_codec *codec, hda_nid_t cvt_nid,
 111                             hda_nid_t pin_nid, int dev_id, u32 stream_tag,
 112                             int format);
 113
 114         void (*pin_cvt_fixup)(struct hda_codec *codec,
 115                               struct hdmi_spec_per_pin *per_pin,
 116                               hda_nid_t cvt_nid);
 117 };
 118
 119 struct hdmi_pcm {
 120         struct hda_pcm *pcm;
 121         struct snd_jack *jack;
 122         struct snd_kcontrol *eld_ctl;
 123 };
 124
 125 enum {
 126         SILENT_STREAM_OFF = 0,
 127         SILENT_STREAM_KAE,      /* use standard HDA Keep-Alive */
 128         SILENT_STREAM_I915,     /* Intel i915 extension */
 129 };
 130
 131 struct hdmi_spec {
 132         struct hda_codec *codec;
 133         int num_cvts;
 134         struct snd_array cvts; /* struct hdmi_spec_per_cvt */
 135         hda_nid_t cvt_nids[4]; /* only for haswell fix */
 136
 137         /*
 138          * num_pins is the number of virtual pins
 139          * for example, there are 3 pins, and each pin
 140          * has 4 device entries, then the num_pins is 12
 141          */
 142         int num_pins;
 143         /*
 144          * num_nids is the number of real pins
 145          * In the above example, num_nids is 3
 146          */
 147         int num_nids;
 148         /*
 149          * dev_num is the number of device entries
 150          * on each pin.
 151          * In the above example, dev_num is 4
 152          */
 153         int dev_num;
 154         struct snd_array pins; /* struct hdmi_spec_per_pin */
 155         struct hdmi_pcm pcm_rec[8];
 156         struct mutex pcm_lock;
 157         struct mutex bind_lock; /* for audio component binding */
 158         /* pcm_bitmap means which pcms have been assigned to pins*/
 159         unsigned long pcm_bitmap;
 160         int pcm_used;   /* counter of pcm_rec[] */
 161         /* bitmap shows whether the pcm is opened in user space
 162          * bit 0 means the first playback PCM (PCM3);
 163          * bit 1 means the second playback PCM, and so on.
 164          */
 165         unsigned long pcm_in_use;
 166
 167         struct hdmi_eld temp_eld;
 168         struct hdmi_ops ops;
 169
 170         bool dyn_pin_out;
 171         bool static_pcm_mapping;
 172         /* hdmi interrupt trigger control flag for Nvidia codec */
 173         bool hdmi_intr_trig_ctrl;
 174         bool nv_dp_workaround; /* workaround DP audio infoframe for Nvidia */
 175
 176         bool intel_hsw_fixup;   /* apply Intel platform-specific fixups */
 177         /*
 178          * Non-generic VIA/NVIDIA specific
 179          */
 180         struct hda_multi_out multiout;
 181         struct hda_pcm_stream pcm_playback;
 182
 183         bool use_acomp_notifier; /* use eld_notify callback for hotplug */
 184         bool acomp_registered; /* audio component registered in this driver */
 185         bool force_connect; /* force connectivity */
 186         struct drm_audio_component_audio_ops drm_audio_ops;
 187         int (*port2pin)(struct hda_codec *, int); /* reverse port/pin mapping */
 188
 189         struct hdac_chmap chmap;
 190         hda_nid_t vendor_nid;
 191         const int *port_map;
 192         int port_num;
 193         int silent_stream_type;
 194 };
 195
 196 #ifdef CONFIG_SND_HDA_COMPONENT
 197 static inline bool codec_has_acomp(struct hda_codec *codec)
 198 {
 199         struct hdmi_spec *spec = codec->spec;
 200         return spec->use_acomp_notifier;
 201 }
 202 #else
 203 #define codec_has_acomp(codec)  false
 204 #endif
 205
 206 struct hdmi_audio_infoframe {
 207         u8 type; /* 0x84 */
 208         u8 ver;  /* 0x01 */
 209         u8 len;  /* 0x0a */
 210
 211         u8 checksum;
 212
 213         u8 CC02_CT47;   /* CC in bits 0:2, CT in 4:7 */
 214         u8 SS01_SF24;
 215         u8 CXT04;
 216         u8 CA;
 217         u8 LFEPBL01_LSV36_DM_INH7;
 218 };
 219
 220 struct dp_audio_infoframe {
 221         u8 type; /* 0x84 */
 222         u8 len;  /* 0x1b */
 223         u8 ver;  /* 0x11 << 2 */
 224
 225         u8 CC02_CT47;   /* match with HDMI infoframe from this on */
 226         u8 SS01_SF24;
 227         u8 CXT04;
 228         u8 CA;
 229         u8 LFEPBL01_LSV36_DM_INH7;
 230 };
 231
 232 union audio_infoframe {
 233         struct hdmi_audio_infoframe hdmi;
 234         struct dp_audio_infoframe dp;
 235         DECLARE_FLEX_ARRAY(u8, bytes);
 236 };
 237
 238 /*
 239  * HDMI routines
 240  */
 241
 242 #define get_pin(spec, idx) \
 243         ((struct hdmi_spec_per_pin *)snd_array_elem(&spec->pins, idx))
 244 #define get_cvt(spec, idx) \
 245         ((struct hdmi_spec_per_cvt  *)snd_array_elem(&spec->cvts, idx))
 246 /* obtain hdmi_pcm object assigned to idx */
 247 #define get_hdmi_pcm(spec, idx) (&(spec)->pcm_rec[idx])
 248 /* obtain hda_pcm object assigned to idx */
 249 #define get_pcm_rec(spec, idx)  (get_hdmi_pcm(spec, idx)->pcm)
 250
 251 static int pin_id_to_pin_index(struct hda_codec *codec,
 252                                hda_nid_t pin_nid, int dev_id)
 253 {
 254         struct hdmi_spec *spec = codec->spec;
 255         int pin_idx;
 256         struct hdmi_spec_per_pin *per_pin;
 257
 258         /*
 259          * (dev_id == -1) means it is NON-MST pin
 260          * return the first virtual pin on this port
 261          */
 262         if (dev_id == -1)
 263                 dev_id = 0;
 264
 265         for (pin_idx = 0; pin_idx < spec->num_pins; pin_idx++) {
 266                 per_pin = get_pin(spec, pin_idx);
 267                 if ((per_pin->pin_nid == pin_nid) &&
 268                         (per_pin->dev_id == dev_id))
 269                         return pin_idx;
 270         }
 271
 272         codec_warn(codec, "HDMI: pin NID 0x%x not registered\n", pin_nid);
 273         return -EINVAL;
 274 }
 275
 276 static int hinfo_to_pcm_index(struct hda_codec *codec,
 277                         struct hda_pcm_stream *hinfo)
 278 {
 279         struct hdmi_spec *spec = codec->spec;
 280         int pcm_idx;
 281
 282         for (pcm_idx = 0; pcm_idx < spec->pcm_used; pcm_idx++)
 283                 if (get_pcm_rec(spec, pcm_idx)->stream == hinfo)
 284                         return pcm_idx;
 285
 286         codec_warn(codec, "HDMI: hinfo %p not tied to a PCM\n", hinfo);
 287         return -EINVAL;
 288 }
 289
 290 static int hinfo_to_pin_index(struct hda_codec *codec,
 291                               struct hda_pcm_stream *hinfo)
 292 {
 293         struct hdmi_spec *spec = codec->spec;
 294         struct hdmi_spec_per_pin *per_pin;
 295         int pin_idx;
 296
 297         for (pin_idx = 0; pin_idx < spec->num_pins; pin_idx++) {
 298                 per_pin = get_pin(spec, pin_idx);
 299                 if (per_pin->pcm &&
 300                         per_pin->pcm->pcm->stream == hinfo)
 301                         return pin_idx;
 302         }
 303
 304         codec_dbg(codec, "HDMI: hinfo %p (pcm %d) not registered\n", hinfo,
 305                   hinfo_to_pcm_index(codec, hinfo));
 306         return -EINVAL;
 307 }
 308
 309 static struct hdmi_spec_per_pin *pcm_idx_to_pin(struct hdmi_spec *spec,
 310                                                 int pcm_idx)
 311 {
 312         int i;
 313         struct hdmi_spec_per_pin *per_pin;
 314
 315         for (i = 0; i < spec->num_pins; i++) {
 316                 per_pin = get_pin(spec, i);
 317                 if (per_pin->pcm_idx == pcm_idx)
 318                         return per_pin;
 319         }
 320         return NULL;
 321 }
 322
 323 static int cvt_nid_to_cvt_index(struct hda_codec *codec, hda_nid_t cvt_nid)
 324 {
 325         struct hdmi_spec *spec = codec->spec;
 326         int cvt_idx;
 327
 328         for (cvt_idx = 0; cvt_idx < spec->num_cvts; cvt_idx++)
 329                 if (get_cvt(spec, cvt_idx)->cvt_nid == cvt_nid)
 330                         return cvt_idx;
 331
 332         codec_warn(codec, "HDMI: cvt NID 0x%x not registered\n", cvt_nid);
 333         return -EINVAL;
 334 }
 335
 336 static int hdmi_eld_ctl_info(struct snd_kcontrol *kcontrol,
 337                         struct snd_ctl_elem_info *uinfo)
 338 {
 339         struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
 340         struct hdmi_spec *spec = codec->spec;
 341         struct hdmi_spec_per_pin *per_pin;
 342         struct hdmi_eld *eld;
 343         int pcm_idx;
 344
 345         uinfo->type = SNDRV_CTL_ELEM_TYPE_BYTES;
 346
 347         pcm_idx = kcontrol->private_value;
 348         mutex_lock(&spec->pcm_lock);
 349         per_pin = pcm_idx_to_pin(spec, pcm_idx);
 350         if (!per_pin) {
 351                 /* no pin is bound to the pcm */
 352                 uinfo->count = 0;
 353                 goto unlock;
 354         }
 355         eld = &per_pin->sink_eld;
 356         uinfo->count = eld->eld_valid ? eld->eld_size : 0;
 357
 358  unlock:
 359         mutex_unlock(&spec->pcm_lock);
 360         return 0;
 361 }
 362
 363 static int hdmi_eld_ctl_get(struct snd_kcontrol *kcontrol,
 364                         struct snd_ctl_elem_value *ucontrol)
 365 {
 366         struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
 367         struct hdmi_spec *spec = codec->spec;
 368         struct hdmi_spec_per_pin *per_pin;
 369         struct hdmi_eld *eld;
 370         int pcm_idx;
 371         int err = 0;
 372
 373         pcm_idx = kcontrol->private_value;
 374         mutex_lock(&spec->pcm_lock);
 375         per_pin = pcm_idx_to_pin(spec, pcm_idx);
 376         if (!per_pin) {
 377                 /* no pin is bound to the pcm */
 378                 memset(ucontrol->value.bytes.data, 0,
 379                        ARRAY_SIZE(ucontrol->value.bytes.data));
 380                 goto unlock;
 381         }
 382
 383         eld = &per_pin->sink_eld;
 384         if (eld->eld_size > ARRAY_SIZE(ucontrol->value.bytes.data) ||
 385             eld->eld_size > ELD_MAX_SIZE) {
 386                 snd_BUG();
 387                 err = -EINVAL;
 388                 goto unlock;
 389         }
 390
 391         memset(ucontrol->value.bytes.data, 0,
 392                ARRAY_SIZE(ucontrol->value.bytes.data));
 393         if (eld->eld_valid)
 394                 memcpy(ucontrol->value.bytes.data, eld->eld_buffer,
 395                        eld->eld_size);
 396
 397  unlock:
 398         mutex_unlock(&spec->pcm_lock);
 399         return err;
 400 }
 401
 402 static const struct snd_kcontrol_new eld_bytes_ctl = {
 403         .access = SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_VOLATILE |
 404                 SNDRV_CTL_ELEM_ACCESS_SKIP_CHECK,
 405         .iface = SNDRV_CTL_ELEM_IFACE_PCM,
 406         .name = "ELD",
 407         .info = hdmi_eld_ctl_info,
 408         .get = hdmi_eld_ctl_get,
 409 };
 410
 411 static int hdmi_create_eld_ctl(struct hda_codec *codec, int pcm_idx,
 412                         int device)
 413 {
 414         struct snd_kcontrol *kctl;
 415         struct hdmi_spec *spec = codec->spec;
 416         int err;
 417
 418         kctl = snd_ctl_new1(&eld_bytes_ctl, codec);
 419         if (!kctl)
 420                 return -ENOMEM;
 421         kctl->private_value = pcm_idx;
 422         kctl->id.device = device;
 423
 424         /* no pin nid is associated with the kctl now
 425          * tbd: associate pin nid to eld ctl later
 426          */
 427         err = snd_hda_ctl_add(codec, 0, kctl);
 428         if (err < 0)
 429                 return err;
 430
 431         get_hdmi_pcm(spec, pcm_idx)->eld_ctl = kctl;
 432         return 0;
 433 }
 434
 435 #ifdef BE_PARANOID
 436 static void hdmi_get_dip_index(struct hda_codec *codec, hda_nid_t pin_nid,
 437                                 int *packet_index, int *byte_index)
 438 {
 439         int val;
 440
 441         val = snd_hda_codec_read(codec, pin_nid, 0,
 442                                  AC_VERB_GET_HDMI_DIP_INDEX, 0);
 443
 444         *packet_index = val >> 5;
 445         *byte_index = val & 0x1f;
 446 }
 447 #endif
 448
 449 static void hdmi_set_dip_index(struct hda_codec *codec, hda_nid_t pin_nid,
 450                                 int packet_index, int byte_index)
 451 {
 452         int val;
 453
 454         val = (packet_index << 5) | (byte_index & 0x1f);
 455
 456         snd_hda_codec_write(codec, pin_nid, 0, AC_VERB_SET_HDMI_DIP_INDEX, val);
 457 }
 458
 459 static void hdmi_write_dip_byte(struct hda_codec *codec, hda_nid_t pin_nid,
 460                                 unsigned char val)
 461 {
 462         snd_hda_codec_write(codec, pin_nid, 0, AC_VERB_SET_HDMI_DIP_DATA, val);
 463 }
 464
 465 static void hdmi_init_pin(struct hda_codec *codec, hda_nid_t pin_nid)
 466 {
 467         struct hdmi_spec *spec = codec->spec;
 468         int pin_out;
 469
 470         /* Unmute */
 471         if (get_wcaps(codec, pin_nid) & AC_WCAP_OUT_AMP)
 472                 snd_hda_codec_write(codec, pin_nid, 0,
 473                                 AC_VERB_SET_AMP_GAIN_MUTE, AMP_OUT_UNMUTE);
 474
 475         if (spec->dyn_pin_out)
 476                 /* Disable pin out until stream is active */
 477                 pin_out = 0;
 478         else
 479                 /* Enable pin out: some machines with GM965 gets broken output
 480                  * when the pin is disabled or changed while using with HDMI
 481                  */
 482                 pin_out = PIN_OUT;
 483
 484         snd_hda_codec_write(codec, pin_nid, 0,
 485                             AC_VERB_SET_PIN_WIDGET_CONTROL, pin_out);
 486 }
 487
 488 /*
 489  * ELD proc files
 490  */
 491
 492 #ifdef CONFIG_SND_PROC_FS
 493 static void print_eld_info(struct snd_info_entry *entry,
 494                            struct snd_info_buffer *buffer)
 495 {
 496         struct hdmi_spec_per_pin *per_pin = entry->private_data;
 497
 498         mutex_lock(&per_pin->lock);
 499         snd_hdmi_print_eld_info(&per_pin->sink_eld, buffer, per_pin->pin_nid,
 500                                 per_pin->dev_id, per_pin->cvt_nid);
 501         mutex_unlock(&per_pin->lock);
 502 }
 503
 504 static void write_eld_info(struct snd_info_entry *entry,
 505                            struct snd_info_buffer *buffer)
 506 {
 507         struct hdmi_spec_per_pin *per_pin = entry->private_data;
 508
 509         mutex_lock(&per_pin->lock);
 510         snd_hdmi_write_eld_info(&per_pin->sink_eld, buffer);
 511         mutex_unlock(&per_pin->lock);
 512 }
 513
 514 static int eld_proc_new(struct hdmi_spec_per_pin *per_pin, int index)
 515 {
 516         char name[32];
 517         struct hda_codec *codec = per_pin->codec;
 518         struct snd_info_entry *entry;
 519         int err;
 520
 521         snprintf(name, sizeof(name), "eld#%d.%d", codec->addr, index);
 522         err = snd_card_proc_new(codec->card, name, &entry);
 523         if (err < 0)
 524                 return err;
 525
 526         snd_info_set_text_ops(entry, per_pin, print_eld_info);
 527         entry->c.text.write = write_eld_info;
 528         entry->mode |= 0200;
 529         per_pin->proc_entry = entry;
 530
 531         return 0;
 532 }
 533
 534 static void eld_proc_free(struct hdmi_spec_per_pin *per_pin)
 535 {
 536         if (!per_pin->codec->bus->shutdown) {
 537                 snd_info_free_entry(per_pin->proc_entry);
 538                 per_pin->proc_entry = NULL;
 539         }
 540 }
 541 #else
 542 static inline int eld_proc_new(struct hdmi_spec_per_pin *per_pin,
 543                                int index)
 544 {
 545         return 0;
 546 }
 547 static inline void eld_proc_free(struct hdmi_spec_per_pin *per_pin)
 548 {
 549 }
 550 #endif
 551
 552 /*
 553  * Audio InfoFrame routines
 554  */
 555
 556 /*
 557  * Enable Audio InfoFrame Transmission
 558  */
 559 static void hdmi_start_infoframe_trans(struct hda_codec *codec,
 560                                        hda_nid_t pin_nid)
 561 {
 562         hdmi_set_dip_index(codec, pin_nid, 0x0, 0x0);
 563         snd_hda_codec_write(codec, pin_nid, 0, AC_VERB_SET_HDMI_DIP_XMIT,
 564                                                 AC_DIPXMIT_BEST);
 565 }
 566
 567 /*
 568  * Disable Audio InfoFrame Transmission
 569  */
 570 static void hdmi_stop_infoframe_trans(struct hda_codec *codec,
 571                                       hda_nid_t pin_nid)
 572 {
 573         hdmi_set_dip_index(codec, pin_nid, 0x0, 0x0);
 574         snd_hda_codec_write(codec, pin_nid, 0, AC_VERB_SET_HDMI_DIP_XMIT,
 575                                                 AC_DIPXMIT_DISABLE);
 576 }
 577
 578 static void hdmi_debug_dip_size(struct hda_codec *codec, hda_nid_t pin_nid)
 579 {
 580 #ifdef CONFIG_SND_DEBUG_VERBOSE
 581         int i;
 582         int size;
 583
 584         size = snd_hdmi_get_eld_size(codec, pin_nid);
 585         codec_dbg(codec, "HDMI: ELD buf size is %d\n", size);
 586
 587         for (i = 0; i < 8; i++) {
 588                 size = snd_hda_codec_read(codec, pin_nid, 0,
 589                                                 AC_VERB_GET_HDMI_DIP_SIZE, i);
 590                 codec_dbg(codec, "HDMI: DIP GP[%d] buf size is %d\n", i, size);
 591         }
 592 #endif
 593 }
 594
 595 static void hdmi_clear_dip_buffers(struct hda_codec *codec, hda_nid_t pin_nid)
 596 {
 597 #ifdef BE_PARANOID
 598         int i, j;
 599         int size;
 600         int pi, bi;
 601         for (i = 0; i < 8; i++) {
 602                 size = snd_hda_codec_read(codec, pin_nid, 0,
 603                                                 AC_VERB_GET_HDMI_DIP_SIZE, i);
 604                 if (size == 0)
 605                         continue;
 606
 607                 hdmi_set_dip_index(codec, pin_nid, i, 0x0);
 608                 for (j = 1; j < 1000; j++) {
 609                         hdmi_write_dip_byte(codec, pin_nid, 0x0);
 610                         hdmi_get_dip_index(codec, pin_nid, &pi, &bi);
 611                         if (pi != i)
 612                                 codec_dbg(codec, "dip index %d: %d != %d\n",
 613                                                 bi, pi, i);
 614                         if (bi == 0) /* byte index wrapped around */
 615                                 break;
 616                 }
 617                 codec_dbg(codec,
 618                         "HDMI: DIP GP[%d] buf reported size=%d, written=%d\n",
 619                         i, size, j);
 620         }
 621 #endif
 622 }
 623
 624 static void hdmi_checksum_audio_infoframe(struct hdmi_audio_infoframe *hdmi_ai)
 625 {
 626         u8 *bytes = (u8 *)hdmi_ai;
 627         u8 sum = 0;
 628         int i;
 629
 630         hdmi_ai->checksum = 0;
 631
 632         for (i = 0; i < sizeof(*hdmi_ai); i++)
 633                 sum += bytes[i];
 634
 635         hdmi_ai->checksum = -sum;
 636 }
 637
 638 static void hdmi_fill_audio_infoframe(struct hda_codec *codec,
 639                                       hda_nid_t pin_nid,
 640                                       u8 *dip, int size)
 641 {
 642         int i;
 643
 644         hdmi_debug_dip_size(codec, pin_nid);
 645         hdmi_clear_dip_buffers(codec, pin_nid); /* be paranoid */
 646
 647         hdmi_set_dip_index(codec, pin_nid, 0x0, 0x0);
 648         for (i = 0; i < size; i++)
 649                 hdmi_write_dip_byte(codec, pin_nid, dip[i]);
 650 }
 651
 652 static bool hdmi_infoframe_uptodate(struct hda_codec *codec, hda_nid_t pin_nid,
 653                                     u8 *dip, int size)
 654 {
 655         u8 val;
 656         int i;
 657
 658         hdmi_set_dip_index(codec, pin_nid, 0x0, 0x0);
 659         if (snd_hda_codec_read(codec, pin_nid, 0, AC_VERB_GET_HDMI_DIP_XMIT, 0)
 660                                                             != AC_DIPXMIT_BEST)
 661                 return false;
 662
 663         for (i = 0; i < size; i++) {
 664                 val = snd_hda_codec_read(codec, pin_nid, 0,
 665                                          AC_VERB_GET_HDMI_DIP_DATA, 0);
 666                 if (val != dip[i])
 667                         return false;
 668         }
 669
 670         return true;
 671 }
 672
 673 static int hdmi_pin_get_eld(struct hda_codec *codec, hda_nid_t nid,
 674                             int dev_id, unsigned char *buf, int *eld_size)
 675 {
 676         snd_hda_set_dev_select(codec, nid, dev_id);
 677
 678         return snd_hdmi_get_eld(codec, nid, buf, eld_size);
 679 }
 680
 681 static void hdmi_pin_setup_infoframe(struct hda_codec *codec,
 682                                      hda_nid_t pin_nid, int dev_id,
 683                                      int ca, int active_channels,
 684                                      int conn_type)
 685 {
 686         struct hdmi_spec *spec = codec->spec;
 687         union audio_infoframe ai;
 688
 689         memset(&ai, 0, sizeof(ai));
 690         if ((conn_type == 0) || /* HDMI */
 691                 /* Nvidia DisplayPort: Nvidia HW expects same layout as HDMI */
 692                 (conn_type == 1 && spec->nv_dp_workaround)) {
 693                 struct hdmi_audio_infoframe *hdmi_ai = &ai.hdmi;
 694
 695                 if (conn_type == 0) { /* HDMI */
 696                         hdmi_ai->type           = 0x84;
 697                         hdmi_ai->ver            = 0x01;
 698                         hdmi_ai->len            = 0x0a;
 699                 } else {/* Nvidia DP */
 700                         hdmi_ai->type           = 0x84;
 701                         hdmi_ai->ver            = 0x1b;
 702                         hdmi_ai->len            = 0x11 << 2;
 703                 }
 704                 hdmi_ai->CC02_CT47      = active_channels - 1;
 705                 hdmi_ai->CA             = ca;
 706                 hdmi_checksum_audio_infoframe(hdmi_ai);
 707         } else if (conn_type == 1) { /* DisplayPort */
 708                 struct dp_audio_infoframe *dp_ai = &ai.dp;
 709
 710                 dp_ai->type             = 0x84;
 711                 dp_ai->len              = 0x1b;
 712                 dp_ai->ver              = 0x11 << 2;
 713                 dp_ai->CC02_CT47        = active_channels - 1;
 714                 dp_ai->CA               = ca;
 715         } else {
 716                 codec_dbg(codec, "HDMI: unknown connection type at pin NID 0x%x\n", pin_nid);
 717                 return;
 718         }
 719
 720         snd_hda_set_dev_select(codec, pin_nid, dev_id);
 721
 722         /*
 723          * sizeof(ai) is used instead of sizeof(*hdmi_ai) or
 724          * sizeof(*dp_ai) to avoid partial match/update problems when
 725          * the user switches between HDMI/DP monitors.
 726          */
 727         if (!hdmi_infoframe_uptodate(codec, pin_nid, ai.bytes,
 728                                         sizeof(ai))) {
 729                 codec_dbg(codec, "%s: pin NID=0x%x channels=%d ca=0x%02x\n",
 730                           __func__, pin_nid, active_channels, ca);
 731                 hdmi_stop_infoframe_trans(codec, pin_nid);
 732                 hdmi_fill_audio_infoframe(codec, pin_nid,
 733                                             ai.bytes, sizeof(ai));
 734                 hdmi_start_infoframe_trans(codec, pin_nid);
 735         }
 736 }
 737
 738 static void hdmi_setup_audio_infoframe(struct hda_codec *codec,
 739                                        struct hdmi_spec_per_pin *per_pin,
 740                                        bool non_pcm)
 741 {
 742         struct hdmi_spec *spec = codec->spec;
 743         struct hdac_chmap *chmap = &spec->chmap;
 744         hda_nid_t pin_nid = per_pin->pin_nid;
 745         int dev_id = per_pin->dev_id;
 746         int channels = per_pin->channels;
 747         int active_channels;
 748         struct hdmi_eld *eld;
 749         int ca;
 750
 751         if (!channels)
 752                 return;
 753
 754         snd_hda_set_dev_select(codec, pin_nid, dev_id);
 755
 756         /* some HW (e.g. HSW+) needs reprogramming the amp at each time */
 757         if (get_wcaps(codec, pin_nid) & AC_WCAP_OUT_AMP)
 758                 snd_hda_codec_write(codec, pin_nid, 0,
 759                                             AC_VERB_SET_AMP_GAIN_MUTE,
 760                                             AMP_OUT_UNMUTE);
 761
 762         eld = &per_pin->sink_eld;
 763
 764         ca = snd_hdac_channel_allocation(&codec->core,
 765                         eld->info.spk_alloc, channels,
 766                         per_pin->chmap_set, non_pcm, per_pin->chmap);
 767
 768         active_channels = snd_hdac_get_active_channels(ca);
 769
 770         chmap->ops.set_channel_count(&codec->core, per_pin->cvt_nid,
 771                                                 active_channels);
 772
 773         /*
 774          * always configure channel mapping, it may have been changed by the
 775          * user in the meantime
 776          */
 777         snd_hdac_setup_channel_mapping(&spec->chmap,
 778                                 pin_nid, non_pcm, ca, channels,
 779                                 per_pin->chmap, per_pin->chmap_set);
 780
 781         spec->ops.pin_setup_infoframe(codec, pin_nid, dev_id,
 782                                       ca, active_channels, eld->info.conn_type);
 783
 784         per_pin->non_pcm = non_pcm;
 785 }
 786
 787 /*
 788  * Unsolicited events
 789  */
 790
 791 static void hdmi_present_sense(struct hdmi_spec_per_pin *per_pin, int repoll);
 792
 793 static void check_presence_and_report(struct hda_codec *codec, hda_nid_t nid,
 794                                       int dev_id)
 795 {
 796         struct hdmi_spec *spec = codec->spec;
 797         int pin_idx = pin_id_to_pin_index(codec, nid, dev_id);
 798
 799         if (pin_idx < 0)
 800                 return;
 801         mutex_lock(&spec->pcm_lock);
 802         hdmi_present_sense(get_pin(spec, pin_idx), 1);
 803         mutex_unlock(&spec->pcm_lock);
 804 }
 805
 806 static void jack_callback(struct hda_codec *codec,
 807                           struct hda_jack_callback *jack)
 808 {
 809         /* stop polling when notification is enabled */
 810         if (codec_has_acomp(codec))
 811                 return;
 812
 813         check_presence_and_report(codec, jack->nid, jack->dev_id);
 814 }
 815
 816 static void hdmi_intrinsic_event(struct hda_codec *codec, unsigned int res,
 817                                  struct hda_jack_tbl *jack)
 818 {
 819         jack->jack_dirty = 1;
 820
 821         codec_dbg(codec,
 822                 "HDMI hot plug event: Codec=%d NID=0x%x Device=%d Inactive=%d Presence_Detect=%d ELD_Valid=%d\n",
 823                 codec->addr, jack->nid, jack->dev_id, !!(res & AC_UNSOL_RES_IA),
 824                 !!(res & AC_UNSOL_RES_PD), !!(res & AC_UNSOL_RES_ELDV));
 825
 826         check_presence_and_report(codec, jack->nid, jack->dev_id);
 827 }
 828
 829 static void hdmi_non_intrinsic_event(struct hda_codec *codec, unsigned int res)
 830 {
 831         int tag = res >> AC_UNSOL_RES_TAG_SHIFT;
 832         int subtag = (res & AC_UNSOL_RES_SUBTAG) >> AC_UNSOL_RES_SUBTAG_SHIFT;
 833         int cp_state = !!(res & AC_UNSOL_RES_CP_STATE);
 834         int cp_ready = !!(res & AC_UNSOL_RES_CP_READY);
 835
 836         codec_info(codec,
 837                 "HDMI CP event: CODEC=%d TAG=%d SUBTAG=0x%x CP_STATE=%d CP_READY=%d\n",
 838                 codec->addr,
 839                 tag,
 840                 subtag,
 841                 cp_state,
 842                 cp_ready);
 843
 844         /* TODO */
 845         if (cp_state) {
 846                 ;
 847         }
 848         if (cp_ready) {
 849                 ;
 850         }
 851 }
 852
 853
 854 static void hdmi_unsol_event(struct hda_codec *codec, unsigned int res)
 855 {
 856         int tag = res >> AC_UNSOL_RES_TAG_SHIFT;
 857         int subtag = (res & AC_UNSOL_RES_SUBTAG) >> AC_UNSOL_RES_SUBTAG_SHIFT;
 858         struct hda_jack_tbl *jack;
 859
 860         if (codec_has_acomp(codec))
 861                 return;
 862
 863         if (codec->dp_mst) {
 864                 int dev_entry =
 865                         (res & AC_UNSOL_RES_DE) >> AC_UNSOL_RES_DE_SHIFT;
 866
 867                 jack = snd_hda_jack_tbl_get_from_tag(codec, tag, dev_entry);
 868         } else {
 869                 jack = snd_hda_jack_tbl_get_from_tag(codec, tag, 0);
 870         }
 871
 872         if (!jack) {
 873                 codec_dbg(codec, "Unexpected HDMI event tag 0x%x\n", tag);
 874                 return;
 875         }
 876
 877         if (subtag == 0)
 878                 hdmi_intrinsic_event(codec, res, jack);
 879         else
 880                 hdmi_non_intrinsic_event(codec, res);
 881 }
 882
 883 static void haswell_verify_D0(struct hda_codec *codec,
 884                 hda_nid_t cvt_nid, hda_nid_t nid)
 885 {
 886         int pwr;
 887
 888         /* For Haswell, the converter 1/2 may keep in D3 state after bootup,
 889          * thus pins could only choose converter 0 for use. Make sure the
 890          * converters are in correct power state */
 891         if (!snd_hda_check_power_state(codec, cvt_nid, AC_PWRST_D0))
 892                 snd_hda_codec_write(codec, cvt_nid, 0, AC_VERB_SET_POWER_STATE, AC_PWRST_D0);
 893
 894         if (!snd_hda_check_power_state(codec, nid, AC_PWRST_D0)) {
 895                 snd_hda_codec_write(codec, nid, 0, AC_VERB_SET_POWER_STATE,
 896                                     AC_PWRST_D0);
 897                 msleep(40);
 898                 pwr = snd_hda_codec_read(codec, nid, 0, AC_VERB_GET_POWER_STATE, 0);
 899                 pwr = (pwr & AC_PWRST_ACTUAL) >> AC_PWRST_ACTUAL_SHIFT;
 900                 codec_dbg(codec, "Haswell HDMI audio: Power for NID 0x%x is now D%d\n", nid, pwr);
 901         }
 902 }
 903
 904 /*
 905  * Callbacks
 906  */
 907
 908 /* HBR should be Non-PCM, 8 channels */
 909 #define is_hbr_format(format) \
 910         ((format & AC_FMT_TYPE_NON_PCM) && (format & AC_FMT_CHAN_MASK) == 7)
 911
 912 static int hdmi_pin_hbr_setup(struct hda_codec *codec, hda_nid_t pin_nid,
 913                               int dev_id, bool hbr)
 914 {
 915         int pinctl, new_pinctl;
 916
 917         if (snd_hda_query_pin_caps(codec, pin_nid) & AC_PINCAP_HBR) {
 918                 snd_hda_set_dev_select(codec, pin_nid, dev_id);
 919                 pinctl = snd_hda_codec_read(codec, pin_nid, 0,
 920                                             AC_VERB_GET_PIN_WIDGET_CONTROL, 0);
 921
 922                 if (pinctl < 0)
 923                         return hbr ? -EINVAL : 0;
 924
 925                 new_pinctl = pinctl & ~AC_PINCTL_EPT;
 926                 if (hbr)
 927                         new_pinctl |= AC_PINCTL_EPT_HBR;
 928                 else
 929                         new_pinctl |= AC_PINCTL_EPT_NATIVE;
 930
 931                 codec_dbg(codec,
 932                           "hdmi_pin_hbr_setup: NID=0x%x, %spinctl=0x%x\n",
 933                             pin_nid,
 934                             pinctl == new_pinctl ? "" : "new-",
 935                             new_pinctl);
 936
 937                 if (pinctl != new_pinctl)
 938                         snd_hda_codec_write(codec, pin_nid, 0,
 939                                             AC_VERB_SET_PIN_WIDGET_CONTROL,
 940                                             new_pinctl);
 941         } else if (hbr)
 942                 return -EINVAL;
 943
 944         return 0;
 945 }
 946
 947 static int hdmi_setup_stream(struct hda_codec *codec, hda_nid_t cvt_nid,
 948                               hda_nid_t pin_nid, int dev_id,
 949                               u32 stream_tag, int format)
 950 {
 951         struct hdmi_spec *spec = codec->spec;
 952         unsigned int param;
 953         int err;
 954
 955         err = spec->ops.pin_hbr_setup(codec, pin_nid, dev_id,
 956                                       is_hbr_format(format));
 957
 958         if (err) {
 959                 codec_dbg(codec, "hdmi_setup_stream: HBR is not supported\n");
 960                 return err;
 961         }
 962
 963         if (spec->intel_hsw_fixup) {
 964
 965                 /*
 966                  * on recent platforms IEC Coding Type is required for HBR
 967                  * support, read current Digital Converter settings and set
 968                  * ICT bitfield if needed.
 969                  */
 970                 param = snd_hda_codec_read(codec, cvt_nid, 0,
 971                                            AC_VERB_GET_DIGI_CONVERT_1, 0);
 972
 973                 param = (param >> 16) & ~(AC_DIG3_ICT);
 974
 975                 /* on recent platforms ICT mode is required for HBR support */
 976                 if (is_hbr_format(format))
 977                         param |= 0x1;
 978
 979                 snd_hda_codec_write(codec, cvt_nid, 0,
 980                                     AC_VERB_SET_DIGI_CONVERT_3, param);
 981         }
 982
 983         snd_hda_codec_setup_stream(codec, cvt_nid, stream_tag, 0, format);
 984         return 0;
 985 }
 986
 987 /* Try to find an available converter
 988  * If pin_idx is less then zero, just try to find an available converter.
 989  * Otherwise, try to find an available converter and get the cvt mux index
 990  * of the pin.
 991  */
 992 static int hdmi_choose_cvt(struct hda_codec *codec,
 993                            int pin_idx, int *cvt_id,
 994                            bool silent)
 995 {
 996         struct hdmi_spec *spec = codec->spec;
 997         struct hdmi_spec_per_pin *per_pin;
 998         struct hdmi_spec_per_cvt *per_cvt = NULL;
 999         int cvt_idx, mux_idx = 0;
1000
1001         /* pin_idx < 0 means no pin will be bound to the converter */
1002         if (pin_idx < 0)
1003                 per_pin = NULL;
1004         else
1005                 per_pin = get_pin(spec, pin_idx);
1006
1007         if (per_pin && per_pin->silent_stream) {
1008                 cvt_idx = cvt_nid_to_cvt_index(codec, per_pin->cvt_nid);
1009                 per_cvt = get_cvt(spec, cvt_idx);
1010                 if (per_cvt->assigned && !silent)
1011                         return -EBUSY;
1012                 if (cvt_id)
1013                         *cvt_id = cvt_idx;
1014                 return 0;
1015         }
1016
1017         /* Dynamically assign converter to stream */
1018         for (cvt_idx = 0; cvt_idx < spec->num_cvts; cvt_idx++) {
1019                 per_cvt = get_cvt(spec, cvt_idx);
1020
1021                 /* Must not already be assigned */
1022                 if (per_cvt->assigned || per_cvt->silent_stream)
1023                         continue;
1024                 if (per_pin == NULL)
1025                         break;
1026                 /* Must be in pin's mux's list of converters */
1027                 for (mux_idx = 0; mux_idx < per_pin->num_mux_nids; mux_idx++)
1028                         if (per_pin->mux_nids[mux_idx] == per_cvt->cvt_nid)
1029                                 break;
1030                 /* Not in mux list */
1031                 if (mux_idx == per_pin->num_mux_nids)
1032                         continue;
1033                 break;
1034         }
1035
1036         /* No free converters */
1037         if (cvt_idx == spec->num_cvts)
1038                 return -EBUSY;
1039
1040         if (per_pin != NULL)
1041                 per_pin->mux_idx = mux_idx;
1042
1043         if (cvt_id)
1044                 *cvt_id = cvt_idx;
1045
1046         return 0;
1047 }
1048
1049 /* Assure the pin select the right convetor */
1050 static void intel_verify_pin_cvt_connect(struct hda_codec *codec,
1051                         struct hdmi_spec_per_pin *per_pin)
1052 {
1053         hda_nid_t pin_nid = per_pin->pin_nid;
1054         int mux_idx, curr;
1055
1056         mux_idx = per_pin->mux_idx;
1057         curr = snd_hda_codec_read(codec, pin_nid, 0,
1058                                           AC_VERB_GET_CONNECT_SEL, 0);
1059         if (curr != mux_idx)
1060                 snd_hda_codec_write_cache(codec, pin_nid, 0,
1061                                             AC_VERB_SET_CONNECT_SEL,
1062                                             mux_idx);
1063 }
1064
1065 /* get the mux index for the converter of the pins
1066  * converter's mux index is the same for all pins on Intel platform
1067  */
1068 static int intel_cvt_id_to_mux_idx(struct hdmi_spec *spec,
1069                         hda_nid_t cvt_nid)
1070 {
1071         int i;
1072
1073         for (i = 0; i < spec->num_cvts; i++)
1074                 if (spec->cvt_nids[i] == cvt_nid)
1075                         return i;
1076         return -EINVAL;
1077 }
1078
1079 /* Intel HDMI workaround to fix audio routing issue:
1080  * For some Intel display codecs, pins share the same connection list.
1081  * So a conveter can be selected by multiple pins and playback on any of these
1082  * pins will generate sound on the external display, because audio flows from
1083  * the same converter to the display pipeline. Also muting one pin may make
1084  * other pins have no sound output.
1085  * So this function assures that an assigned converter for a pin is not selected
1086  * by any other pins.
1087  */
1088 static void intel_not_share_assigned_cvt(struct hda_codec *codec,
1089                                          hda_nid_t pin_nid,
1090                                          int dev_id, int mux_idx)
1091 {
1092         struct hdmi_spec *spec = codec->spec;
1093         hda_nid_t nid;
1094         int cvt_idx, curr;
1095         struct hdmi_spec_per_cvt *per_cvt;
1096         struct hdmi_spec_per_pin *per_pin;
1097         int pin_idx;
1098
1099         /* configure the pins connections */
1100         for (pin_idx = 0; pin_idx < spec->num_pins; pin_idx++) {
1101                 int dev_id_saved;
1102                 int dev_num;
1103
1104                 per_pin = get_pin(spec, pin_idx);
1105                 /*
1106                  * pin not connected to monitor
1107                  * no need to operate on it
1108                  */
1109                 if (!per_pin->pcm)
1110                         continue;
1111
1112                 if ((per_pin->pin_nid == pin_nid) &&
1113                         (per_pin->dev_id == dev_id))
1114                         continue;
1115
1116                 /*
1117                  * if per_pin->dev_id >= dev_num,
1118                  * snd_hda_get_dev_select() will fail,
1119                  * and the following operation is unpredictable.
1120                  * So skip this situation.
1121                  */
1122                 dev_num = snd_hda_get_num_devices(codec, per_pin->pin_nid) + 1;
1123                 if (per_pin->dev_id >= dev_num)
1124                         continue;
1125
1126                 nid = per_pin->pin_nid;
1127
1128                 /*
1129                  * Calling this function should not impact
1130                  * on the device entry selection
1131                  * So let's save the dev id for each pin,
1132                  * and restore it when return
1133                  */
1134                 dev_id_saved = snd_hda_get_dev_select(codec, nid);
1135                 snd_hda_set_dev_select(codec, nid, per_pin->dev_id);
1136                 curr = snd_hda_codec_read(codec, nid, 0,
1137                                           AC_VERB_GET_CONNECT_SEL, 0);
1138                 if (curr != mux_idx) {
1139                         snd_hda_set_dev_select(codec, nid, dev_id_saved);
1140                         continue;
1141                 }
1142
1143
1144                 /* choose an unassigned converter. The conveters in the
1145                  * connection list are in the same order as in the codec.
1146                  */
1147                 for (cvt_idx = 0; cvt_idx < spec->num_cvts; cvt_idx++) {
1148                         per_cvt = get_cvt(spec, cvt_idx);
1149                         if (!per_cvt->assigned) {
1150                                 codec_dbg(codec,
1151                                           "choose cvt %d for pin NID 0x%x\n",
1152                                           cvt_idx, nid);
1153                                 snd_hda_codec_write_cache(codec, nid, 0,
1154                                             AC_VERB_SET_CONNECT_SEL,
1155                                             cvt_idx);
1156                                 break;
1157                         }
1158                 }
1159                 snd_hda_set_dev_select(codec, nid, dev_id_saved);
1160         }
1161 }
1162
1163 /* A wrapper of intel_not_share_asigned_cvt() */
1164 static void intel_not_share_assigned_cvt_nid(struct hda_codec *codec,
1165                         hda_nid_t pin_nid, int dev_id, hda_nid_t cvt_nid)
1166 {
1167         int mux_idx;
1168         struct hdmi_spec *spec = codec->spec;
1169
1170         /* On Intel platform, the mapping of converter nid to
1171          * mux index of the pins are always the same.
1172          * The pin nid may be 0, this means all pins will not
1173          * share the converter.
1174          */
1175         mux_idx = intel_cvt_id_to_mux_idx(spec, cvt_nid);
1176         if (mux_idx >= 0)
1177                 intel_not_share_assigned_cvt(codec, pin_nid, dev_id, mux_idx);
1178 }
1179
1180 /* skeleton caller of pin_cvt_fixup ops */
1181 static void pin_cvt_fixup(struct hda_codec *codec,
1182                           struct hdmi_spec_per_pin *per_pin,
1183                           hda_nid_t cvt_nid)
1184 {
1185         struct hdmi_spec *spec = codec->spec;
1186
1187         if (spec->ops.pin_cvt_fixup)
1188                 spec->ops.pin_cvt_fixup(codec, per_pin, cvt_nid);
1189 }
1190
1191 /* called in hdmi_pcm_open when no pin is assigned to the PCM */
1192 static int hdmi_pcm_open_no_pin(struct hda_pcm_stream *hinfo,
1193                          struct hda_codec *codec,
1194                          struct snd_pcm_substream *substream)
1195 {
1196         struct hdmi_spec *spec = codec->spec;
1197         struct snd_pcm_runtime *runtime = substream->runtime;
1198         int cvt_idx, pcm_idx;
1199         struct hdmi_spec_per_cvt *per_cvt = NULL;
1200         int err;
1201
1202         pcm_idx = hinfo_to_pcm_index(codec, hinfo);
1203         if (pcm_idx < 0)
1204                 return -EINVAL;
1205
1206         err = hdmi_choose_cvt(codec, -1, &cvt_idx, false);
1207         if (err)
1208                 return err;
1209
1210         per_cvt = get_cvt(spec, cvt_idx);
1211         per_cvt->assigned = true;
1212         hinfo->nid = per_cvt->cvt_nid;
1213
1214         pin_cvt_fixup(codec, NULL, per_cvt->cvt_nid);
1215
1216         set_bit(pcm_idx, &spec->pcm_in_use);
1217         /* todo: setup spdif ctls assign */
1218
1219         /* Initially set the converter's capabilities */
1220         hinfo->channels_min = per_cvt->channels_min;
1221         hinfo->channels_max = per_cvt->channels_max;
1222         hinfo->rates = per_cvt->rates;
1223         hinfo->formats = per_cvt->formats;
1224         hinfo->maxbps = per_cvt->maxbps;
1225
1226         /* Store the updated parameters */
1227         runtime->hw.channels_min = hinfo->channels_min;
1228         runtime->hw.channels_max = hinfo->channels_max;
1229         runtime->hw.formats = hinfo->formats;
1230         runtime->hw.rates = hinfo->rates;
1231
1232         snd_pcm_hw_constraint_step(substream->runtime, 0,
1233                                    SNDRV_PCM_HW_PARAM_CHANNELS, 2);
1234         return 0;
1235 }
1236
1237 /*
1238  * HDA PCM callbacks
1239  */
1240 static int hdmi_pcm_open(struct hda_pcm_stream *hinfo,
1241                          struct hda_codec *codec,
1242                          struct snd_pcm_substream *substream)
1243 {
1244         struct hdmi_spec *spec = codec->spec;
1245         struct snd_pcm_runtime *runtime = substream->runtime;
1246         int pin_idx, cvt_idx, pcm_idx;
1247         struct hdmi_spec_per_pin *per_pin;
1248         struct hdmi_eld *eld;
1249         struct hdmi_spec_per_cvt *per_cvt = NULL;
1250         int err;
1251
1252         /* Validate hinfo */
1253         pcm_idx = hinfo_to_pcm_index(codec, hinfo);
1254         if (pcm_idx < 0)
1255                 return -EINVAL;
1256
1257         mutex_lock(&spec->pcm_lock);
1258         pin_idx = hinfo_to_pin_index(codec, hinfo);
1259         /* no pin is assigned to the PCM
1260          * PA need pcm open successfully when probe
1261          */
1262         if (pin_idx < 0) {
1263                 err = hdmi_pcm_open_no_pin(hinfo, codec, substream);
1264                 goto unlock;
1265         }
1266
1267         err = hdmi_choose_cvt(codec, pin_idx, &cvt_idx, false);
1268         if (err < 0)
1269                 goto unlock;
1270
1271         per_cvt = get_cvt(spec, cvt_idx);
1272         /* Claim converter */
1273         per_cvt->assigned = true;
1274
1275         set_bit(pcm_idx, &spec->pcm_in_use);
1276         per_pin = get_pin(spec, pin_idx);
1277         per_pin->cvt_nid = per_cvt->cvt_nid;
1278         hinfo->nid = per_cvt->cvt_nid;
1279
1280         /* flip stripe flag for the assigned stream if supported */
1281         if (get_wcaps(codec, per_cvt->cvt_nid) & AC_WCAP_STRIPE)
1282                 azx_stream(get_azx_dev(substream))->stripe = 1;
1283
1284         snd_hda_set_dev_select(codec, per_pin->pin_nid, per_pin->dev_id);
1285         snd_hda_codec_write_cache(codec, per_pin->pin_nid, 0,
1286                             AC_VERB_SET_CONNECT_SEL,
1287                             per_pin->mux_idx);
1288
1289         /* configure unused pins to choose other converters */
1290         pin_cvt_fixup(codec, per_pin, 0);
1291
1292         snd_hda_spdif_ctls_assign(codec, pcm_idx, per_cvt->cvt_nid);
1293
1294         /* Initially set the converter's capabilities */
1295         hinfo->channels_min = per_cvt->channels_min;
1296         hinfo->channels_max = per_cvt->channels_max;
1297         hinfo->rates = per_cvt->rates;
1298         hinfo->formats = per_cvt->formats;
1299         hinfo->maxbps = per_cvt->maxbps;
1300
1301         eld = &per_pin->sink_eld;
1302         /* Restrict capabilities by ELD if this isn't disabled */
1303         if (!static_hdmi_pcm && eld->eld_valid) {
1304                 snd_hdmi_eld_update_pcm_info(&eld->info, hinfo);
1305                 if (hinfo->channels_min > hinfo->channels_max ||
1306                     !hinfo->rates || !hinfo->formats) {
1307                         per_cvt->assigned = false;
1308                         hinfo->nid = 0;
1309                         snd_hda_spdif_ctls_unassign(codec, pcm_idx);
1310                         err = -ENODEV;
1311                         goto unlock;
1312                 }
1313         }
1314
1315         /* Store the updated parameters */
1316         runtime->hw.channels_min = hinfo->channels_min;
1317         runtime->hw.channels_max = hinfo->channels_max;
1318         runtime->hw.formats = hinfo->formats;
1319         runtime->hw.rates = hinfo->rates;
1320
1321         snd_pcm_hw_constraint_step(substream->runtime, 0,
1322                                    SNDRV_PCM_HW_PARAM_CHANNELS, 2);
1323  unlock:
1324         mutex_unlock(&spec->pcm_lock);
1325         return err;
1326 }
1327
1328 /*
1329  * HDA/HDMI auto parsing
1330  */
1331 static int hdmi_read_pin_conn(struct hda_codec *codec, int pin_idx)
1332 {
1333         struct hdmi_spec *spec = codec->spec;
1334         struct hdmi_spec_per_pin *per_pin = get_pin(spec, pin_idx);
1335         hda_nid_t pin_nid = per_pin->pin_nid;
1336         int dev_id = per_pin->dev_id;
1337         int conns;
1338
1339         if (!(get_wcaps(codec, pin_nid) & AC_WCAP_CONN_LIST)) {
1340                 codec_warn(codec,
1341                            "HDMI: pin NID 0x%x wcaps %#x does not support connection list\n",
1342                            pin_nid, get_wcaps(codec, pin_nid));
1343                 return -EINVAL;
1344         }
1345
1346         snd_hda_set_dev_select(codec, pin_nid, dev_id);
1347
1348         if (spec->intel_hsw_fixup) {
1349                 conns = spec->num_cvts;
1350                 memcpy(per_pin->mux_nids, spec->cvt_nids,
1351                        sizeof(hda_nid_t) * conns);
1352         } else {
1353                 conns = snd_hda_get_raw_connections(codec, pin_nid,
1354                                                     per_pin->mux_nids,
1355                                                     HDA_MAX_CONNECTIONS);
1356         }
1357
1358         /* all the device entries on the same pin have the same conn list */
1359         per_pin->num_mux_nids = conns;
1360
1361         return 0;
1362 }
1363
1364 static int hdmi_find_pcm_slot(struct hdmi_spec *spec,
1365                               struct hdmi_spec_per_pin *per_pin)
1366 {
1367         int i;
1368
1369         for (i = 0; i < spec->pcm_used; i++) {
1370                 if (!test_bit(i, &spec->pcm_bitmap))
1371                         return i;
1372         }
1373         return -EBUSY;
1374 }
1375
1376 static void hdmi_attach_hda_pcm(struct hdmi_spec *spec,
1377                                 struct hdmi_spec_per_pin *per_pin)
1378 {
1379         int idx;
1380
1381         /* pcm already be attached to the pin */
1382         if (per_pin->pcm)
1383                 return;
1384         /* try the previously used slot at first */
1385         idx = per_pin->prev_pcm_idx;
1386         if (idx >= 0) {
1387                 if (!test_bit(idx, &spec->pcm_bitmap))
1388                         goto found;
1389                 per_pin->prev_pcm_idx = -1; /* no longer valid, clear it */
1390         }
1391         idx = hdmi_find_pcm_slot(spec, per_pin);
1392         if (idx == -EBUSY)
1393                 return;
1394  found:
1395         per_pin->pcm_idx = idx;
1396         per_pin->pcm = get_hdmi_pcm(spec, idx);
1397         set_bit(idx, &spec->pcm_bitmap);
1398 }
1399
1400 static void hdmi_detach_hda_pcm(struct hdmi_spec *spec,
1401                                 struct hdmi_spec_per_pin *per_pin)
1402 {
1403         int idx;
1404
1405         /* pcm already be detached from the pin */
1406         if (!per_pin->pcm)
1407                 return;
1408         idx = per_pin->pcm_idx;
1409         per_pin->pcm_idx = -1;
1410         per_pin->prev_pcm_idx = idx; /* remember the previous index */
1411         per_pin->pcm = NULL;
1412         if (idx >= 0 && idx < spec->pcm_used)
1413                 clear_bit(idx, &spec->pcm_bitmap);
1414 }
1415
1416 static int hdmi_get_pin_cvt_mux(struct hdmi_spec *spec,
1417                 struct hdmi_spec_per_pin *per_pin, hda_nid_t cvt_nid)
1418 {
1419         int mux_idx;
1420
1421         for (mux_idx = 0; mux_idx < per_pin->num_mux_nids; mux_idx++)
1422                 if (per_pin->mux_nids[mux_idx] == cvt_nid)
1423                         break;
1424         return mux_idx;
1425 }
1426
1427 static bool check_non_pcm_per_cvt(struct hda_codec *codec, hda_nid_t cvt_nid);
1428
1429 static void hdmi_pcm_setup_pin(struct hdmi_spec *spec,
1430                            struct hdmi_spec_per_pin *per_pin)
1431 {
1432         struct hda_codec *codec = per_pin->codec;
1433         struct hda_pcm *pcm;
1434         struct hda_pcm_stream *hinfo;
1435         struct snd_pcm_substream *substream;
1436         int mux_idx;
1437         bool non_pcm;
1438
1439         if (per_pin->pcm_idx < 0 || per_pin->pcm_idx >= spec->pcm_used)
1440                 return;
1441         pcm = get_pcm_rec(spec, per_pin->pcm_idx);
1442         if (!pcm->pcm)
1443                 return;
1444         if (!test_bit(per_pin->pcm_idx, &spec->pcm_in_use))
1445                 return;
1446
1447         /* hdmi audio only uses playback and one substream */
1448         hinfo = pcm->stream;
1449         substream = pcm->pcm->streams[0].substream;
1450
1451         per_pin->cvt_nid = hinfo->nid;
1452
1453         mux_idx = hdmi_get_pin_cvt_mux(spec, per_pin, hinfo->nid);
1454         if (mux_idx < per_pin->num_mux_nids) {
1455                 snd_hda_set_dev_select(codec, per_pin->pin_nid,
1456                                    per_pin->dev_id);
1457                 snd_hda_codec_write_cache(codec, per_pin->pin_nid, 0,
1458                                 AC_VERB_SET_CONNECT_SEL,
1459                                 mux_idx);
1460         }
1461         snd_hda_spdif_ctls_assign(codec, per_pin->pcm_idx, hinfo->nid);
1462
1463         non_pcm = check_non_pcm_per_cvt(codec, hinfo->nid);
1464         if (substream->runtime)
1465                 per_pin->channels = substream->runtime->channels;
1466         per_pin->setup = true;
1467         per_pin->mux_idx = mux_idx;
1468
1469         hdmi_setup_audio_infoframe(codec, per_pin, non_pcm);
1470 }
1471
1472 static void hdmi_pcm_reset_pin(struct hdmi_spec *spec,
1473                            struct hdmi_spec_per_pin *per_pin)
1474 {
1475         if (per_pin->pcm_idx >= 0 && per_pin->pcm_idx < spec->pcm_used)
1476                 snd_hda_spdif_ctls_unassign(per_pin->codec, per_pin->pcm_idx);
1477
1478         per_pin->chmap_set = false;
1479         memset(per_pin->chmap, 0, sizeof(per_pin->chmap));
1480
1481         per_pin->setup = false;
1482         per_pin->channels = 0;
1483 }
1484
1485 static struct snd_jack *pin_idx_to_pcm_jack(struct hda_codec *codec,
1486                                             struct hdmi_spec_per_pin *per_pin)
1487 {
1488         struct hdmi_spec *spec = codec->spec;
1489
1490         if (per_pin->pcm_idx >= 0)
1491                 return spec->pcm_rec[per_pin->pcm_idx].jack;
1492         else
1493                 return NULL;
1494 }
1495
1496 /* update per_pin ELD from the given new ELD;
1497  * setup info frame and notification accordingly
1498  * also notify ELD kctl and report jack status changes
1499  */
1500 static void update_eld(struct hda_codec *codec,
1501                        struct hdmi_spec_per_pin *per_pin,
1502                        struct hdmi_eld *eld,
1503                        int repoll)
1504 {
1505         struct hdmi_eld *pin_eld = &per_pin->sink_eld;
1506         struct hdmi_spec *spec = codec->spec;
1507         struct snd_jack *pcm_jack;
1508         bool old_eld_valid = pin_eld->eld_valid;
1509         bool eld_changed;
1510         int pcm_idx;
1511
1512         if (eld->eld_valid) {
1513                 if (eld->eld_size <= 0 ||
1514                     snd_hdmi_parse_eld(codec, &eld->info, eld->eld_buffer,
1515                                        eld->eld_size) < 0) {
1516                         eld->eld_valid = false;
1517                         if (repoll) {
1518                                 schedule_delayed_work(&per_pin->work,
1519                                                       msecs_to_jiffies(300));
1520                                 return;
1521                         }
1522                 }
1523         }
1524
1525         if (!eld->eld_valid || eld->eld_size <= 0 || eld->info.sad_count <= 0) {
1526                 eld->eld_valid = false;
1527                 eld->eld_size = 0;
1528         }
1529
1530         /* for monitor disconnection, save pcm_idx firstly */
1531         pcm_idx = per_pin->pcm_idx;
1532
1533         /*
1534          * pcm_idx >=0 before update_eld() means it is in monitor
1535          * disconnected event. Jack must be fetched before update_eld().
1536          */
1537         pcm_jack = pin_idx_to_pcm_jack(codec, per_pin);
1538
1539         if (!spec->static_pcm_mapping) {
1540                 if (eld->eld_valid) {
1541                         hdmi_attach_hda_pcm(spec, per_pin);
1542                         hdmi_pcm_setup_pin(spec, per_pin);
1543                 } else {
1544                         hdmi_pcm_reset_pin(spec, per_pin);
1545                         hdmi_detach_hda_pcm(spec, per_pin);
1546                 }
1547         }
1548
1549         /* if pcm_idx == -1, it means this is in monitor connection event
1550          * we can get the correct pcm_idx now.
1551          */
1552         if (pcm_idx == -1)
1553                 pcm_idx = per_pin->pcm_idx;
1554         if (!pcm_jack)
1555                 pcm_jack = pin_idx_to_pcm_jack(codec, per_pin);
1556
1557         if (eld->eld_valid)
1558                 snd_hdmi_show_eld(codec, &eld->info);
1559
1560         eld_changed = (pin_eld->eld_valid != eld->eld_valid);
1561         eld_changed |= (pin_eld->monitor_present != eld->monitor_present);
1562         if (!eld_changed && eld->eld_valid && pin_eld->eld_valid)
1563                 if (pin_eld->eld_size != eld->eld_size ||
1564                     memcmp(pin_eld->eld_buffer, eld->eld_buffer,
1565                            eld->eld_size) != 0)
1566                         eld_changed = true;
1567
1568         if (eld_changed) {
1569                 pin_eld->monitor_present = eld->monitor_present;
1570                 pin_eld->eld_valid = eld->eld_valid;
1571                 pin_eld->eld_size = eld->eld_size;
1572                 if (eld->eld_valid)
1573                         memcpy(pin_eld->eld_buffer, eld->eld_buffer,
1574                                eld->eld_size);
1575                 pin_eld->info = eld->info;
1576         }
1577
1578         /*
1579          * Re-setup pin and infoframe. This is needed e.g. when
1580          * - sink is first plugged-in
1581          * - transcoder can change during stream playback on Haswell
1582          *   and this can make HW reset converter selection on a pin.
1583          */
1584         if (eld->eld_valid && !old_eld_valid && per_pin->setup) {
1585                 pin_cvt_fixup(codec, per_pin, 0);
1586                 hdmi_setup_audio_infoframe(codec, per_pin, per_pin->non_pcm);
1587         }
1588
1589         if (eld_changed && pcm_idx >= 0)
1590                 snd_ctl_notify(codec->card,
1591                                SNDRV_CTL_EVENT_MASK_VALUE |
1592                                SNDRV_CTL_EVENT_MASK_INFO,
1593                                &get_hdmi_pcm(spec, pcm_idx)->eld_ctl->id);
1594
1595         if (eld_changed && pcm_jack)
1596                 snd_jack_report(pcm_jack,
1597                                 (eld->monitor_present && eld->eld_valid) ?
1598                                 SND_JACK_AVOUT : 0);
1599 }
1600
1601 /* update ELD and jack state via HD-audio verbs */
1602 static void hdmi_present_sense_via_verbs(struct hdmi_spec_per_pin *per_pin,
1603                                          int repoll)
1604 {
1605         struct hda_codec *codec = per_pin->codec;
1606         struct hdmi_spec *spec = codec->spec;
1607         struct hdmi_eld *eld = &spec->temp_eld;
1608         struct device *dev = hda_codec_dev(codec);
1609         hda_nid_t pin_nid = per_pin->pin_nid;
1610         int dev_id = per_pin->dev_id;
1611         /*
1612          * Always execute a GetPinSense verb here, even when called from
1613          * hdmi_intrinsic_event; for some NVIDIA HW, the unsolicited
1614          * response's PD bit is not the real PD value, but indicates that
1615          * the real PD value changed. An older version of the HD-audio
1616          * specification worked this way. Hence, we just ignore the data in
1617          * the unsolicited response to avoid custom WARs.
1618          */
1619         int present;
1620         int ret;
1621
1622 #ifdef  CONFIG_PM
1623         if (dev->power.runtime_status == RPM_SUSPENDING)
1624                 return;
1625 #endif
1626
1627         ret = snd_hda_power_up_pm(codec);
1628         if (ret < 0 && pm_runtime_suspended(dev))
1629                 goto out;
1630
1631         present = snd_hda_jack_pin_sense(codec, pin_nid, dev_id);
1632
1633         mutex_lock(&per_pin->lock);
1634         eld->monitor_present = !!(present & AC_PINSENSE_PRESENCE);
1635         if (eld->monitor_present)
1636                 eld->eld_valid  = !!(present & AC_PINSENSE_ELDV);
1637         else
1638                 eld->eld_valid = false;
1639
1640         codec_dbg(codec,
1641                 "HDMI status: Codec=%d NID=0x%x Presence_Detect=%d ELD_Valid=%d\n",
1642                 codec->addr, pin_nid, eld->monitor_present, eld->eld_valid);
1643
1644         if (eld->eld_valid) {
1645                 if (spec->ops.pin_get_eld(codec, pin_nid, dev_id,
1646                                           eld->eld_buffer, &eld->eld_size) < 0)
1647                         eld->eld_valid = false;
1648         }
1649
1650         update_eld(codec, per_pin, eld, repoll);
1651         mutex_unlock(&per_pin->lock);
1652  out:
1653         snd_hda_power_down_pm(codec);
1654 }
1655
1656 #define I915_SILENT_RATE                48000
1657 #define I915_SILENT_CHANNELS            2
1658 #define I915_SILENT_FORMAT_BITS 16
1659 #define I915_SILENT_FMT_MASK            0xf
1660
1661 static void silent_stream_enable_i915(struct hda_codec *codec,
1662                                       struct hdmi_spec_per_pin *per_pin)
1663 {
1664         unsigned int format;
1665
1666         snd_hdac_sync_audio_rate(&codec->core, per_pin->pin_nid,
1667                                  per_pin->dev_id, I915_SILENT_RATE);
1668
1669         /* trigger silent stream generation in hw */
1670         format = snd_hdac_stream_format(I915_SILENT_CHANNELS, I915_SILENT_FORMAT_BITS,
1671                                         I915_SILENT_RATE);
1672         snd_hda_codec_setup_stream(codec, per_pin->cvt_nid,
1673                                    I915_SILENT_FMT_MASK, I915_SILENT_FMT_MASK, format);
1674         usleep_range(100, 200);
1675         snd_hda_codec_setup_stream(codec, per_pin->cvt_nid, I915_SILENT_FMT_MASK, 0, format);
1676
1677         per_pin->channels = I915_SILENT_CHANNELS;
1678         hdmi_setup_audio_infoframe(codec, per_pin, per_pin->non_pcm);
1679 }
1680
1681 static void silent_stream_set_kae(struct hda_codec *codec,
1682                                   struct hdmi_spec_per_pin *per_pin,
1683                                   bool enable)
1684 {
1685         unsigned int param;
1686
1687         codec_dbg(codec, "HDMI: KAE %d cvt-NID=0x%x\n", enable, per_pin->cvt_nid);
1688
1689         param = snd_hda_codec_read(codec, per_pin->cvt_nid, 0, AC_VERB_GET_DIGI_CONVERT_1, 0);
1690         param = (param >> 16) & 0xff;
1691
1692         if (enable)
1693                 param |= AC_DIG3_KAE;
1694         else
1695                 param &= ~AC_DIG3_KAE;
1696
1697         snd_hda_codec_write(codec, per_pin->cvt_nid, 0, AC_VERB_SET_DIGI_CONVERT_3, param);
1698 }
1699
1700 static void silent_stream_enable(struct hda_codec *codec,
1701                                  struct hdmi_spec_per_pin *per_pin)
1702 {
1703         struct hdmi_spec *spec = codec->spec;
1704         struct hdmi_spec_per_cvt *per_cvt;
1705         int cvt_idx, pin_idx, err;
1706         int keep_power = 0;
1707
1708         /*
1709          * Power-up will call hdmi_present_sense, so the PM calls
1710          * have to be done without mutex held.
1711          */
1712
1713         err = snd_hda_power_up_pm(codec);
1714         if (err < 0 && err != -EACCES) {
1715                 codec_err(codec,
1716                           "Failed to power up codec for silent stream enable ret=[%d]\n", err);
1717                 snd_hda_power_down_pm(codec);
1718                 return;
1719         }
1720
1721         mutex_lock(&per_pin->lock);
1722
1723         if (per_pin->setup) {
1724                 codec_dbg(codec, "hdmi: PCM already open, no silent stream\n");
1725                 err = -EBUSY;
1726                 goto unlock_out;
1727         }
1728
1729         pin_idx = pin_id_to_pin_index(codec, per_pin->pin_nid, per_pin->dev_id);
1730         err = hdmi_choose_cvt(codec, pin_idx, &cvt_idx, true);
1731         if (err) {
1732                 codec_err(codec, "hdmi: no free converter to enable silent mode\n");
1733                 goto unlock_out;
1734         }
1735
1736         per_cvt = get_cvt(spec, cvt_idx);
1737         per_cvt->silent_stream = true;
1738         per_pin->cvt_nid = per_cvt->cvt_nid;
1739         per_pin->silent_stream = true;
1740
1741         codec_dbg(codec, "hdmi: enabling silent stream pin-NID=0x%x cvt-NID=0x%x\n",
1742                   per_pin->pin_nid, per_cvt->cvt_nid);
1743
1744         snd_hda_set_dev_select(codec, per_pin->pin_nid, per_pin->dev_id);
1745         snd_hda_codec_write_cache(codec, per_pin->pin_nid, 0,
1746                                   AC_VERB_SET_CONNECT_SEL,
1747                                   per_pin->mux_idx);
1748
1749         /* configure unused pins to choose other converters */
1750         pin_cvt_fixup(codec, per_pin, 0);
1751
1752         switch (spec->silent_stream_type) {
1753         case SILENT_STREAM_KAE:
1754                 silent_stream_enable_i915(codec, per_pin);
1755                 silent_stream_set_kae(codec, per_pin, true);
1756                 break;
1757         case SILENT_STREAM_I915:
1758                 silent_stream_enable_i915(codec, per_pin);
1759                 keep_power = 1;
1760                 break;
1761         default:
1762                 break;
1763         }
1764
1765  unlock_out:
1766         mutex_unlock(&per_pin->lock);
1767
1768         if (err || !keep_power)
1769                 snd_hda_power_down_pm(codec);
1770 }
1771
1772 static void silent_stream_disable(struct hda_codec *codec,
1773                                   struct hdmi_spec_per_pin *per_pin)
1774 {
1775         struct hdmi_spec *spec = codec->spec;
1776         struct hdmi_spec_per_cvt *per_cvt;
1777         int cvt_idx, err;
1778
1779         err = snd_hda_power_up_pm(codec);
1780         if (err < 0 && err != -EACCES) {
1781                 codec_err(codec,
1782                           "Failed to power up codec for silent stream disable ret=[%d]\n",
1783                           err);
1784                 snd_hda_power_down_pm(codec);
1785                 return;
1786         }
1787
1788         mutex_lock(&per_pin->lock);
1789         if (!per_pin->silent_stream)
1790                 goto unlock_out;
1791
1792         codec_dbg(codec, "HDMI: disable silent stream on pin-NID=0x%x cvt-NID=0x%x\n",
1793                   per_pin->pin_nid, per_pin->cvt_nid);
1794
1795         cvt_idx = cvt_nid_to_cvt_index(codec, per_pin->cvt_nid);
1796         if (cvt_idx >= 0 && cvt_idx < spec->num_cvts) {
1797                 per_cvt = get_cvt(spec, cvt_idx);
1798                 per_cvt->silent_stream = false;
1799         }
1800
1801         if (spec->silent_stream_type == SILENT_STREAM_I915) {
1802                 /* release ref taken in silent_stream_enable() */
1803                 snd_hda_power_down_pm(codec);
1804         } else if (spec->silent_stream_type == SILENT_STREAM_KAE) {
1805                 silent_stream_set_kae(codec, per_pin, false);
1806         }
1807
1808         per_pin->cvt_nid = 0;
1809         per_pin->silent_stream = false;
1810
1811  unlock_out:
1812         mutex_unlock(&per_pin->lock);
1813
1814         snd_hda_power_down_pm(codec);
1815 }
1816
1817 /* update ELD and jack state via audio component */
1818 static void sync_eld_via_acomp(struct hda_codec *codec,
1819                                struct hdmi_spec_per_pin *per_pin)
1820 {
1821         struct hdmi_spec *spec = codec->spec;
1822         struct hdmi_eld *eld = &spec->temp_eld;
1823         bool monitor_prev, monitor_next;
1824
1825         mutex_lock(&per_pin->lock);
1826         eld->monitor_present = false;
1827         monitor_prev = per_pin->sink_eld.monitor_present;
1828         eld->eld_size = snd_hdac_acomp_get_eld(&codec->core, per_pin->pin_nid,
1829                                       per_pin->dev_id, &eld->monitor_present,
1830                                       eld->eld_buffer, ELD_MAX_SIZE);
1831         eld->eld_valid = (eld->eld_size > 0);
1832         update_eld(codec, per_pin, eld, 0);
1833         monitor_next = per_pin->sink_eld.monitor_present;
1834         mutex_unlock(&per_pin->lock);
1835
1836         if (spec->silent_stream_type) {
1837                 if (!monitor_prev && monitor_next)
1838                         silent_stream_enable(codec, per_pin);
1839                 else if (monitor_prev && !monitor_next)
1840                         silent_stream_disable(codec, per_pin);
1841         }
1842 }
1843
1844 static void hdmi_present_sense(struct hdmi_spec_per_pin *per_pin, int repoll)
1845 {
1846         struct hda_codec *codec = per_pin->codec;
1847
1848         if (!codec_has_acomp(codec))
1849                 hdmi_present_sense_via_verbs(per_pin, repoll);
1850         else
1851                 sync_eld_via_acomp(codec, per_pin);
1852 }
1853
1854 static void hdmi_repoll_eld(struct work_struct *work)
1855 {
1856         struct hdmi_spec_per_pin *per_pin =
1857         container_of(to_delayed_work(work), struct hdmi_spec_per_pin, work);
1858         struct hda_codec *codec = per_pin->codec;
1859         struct hdmi_spec *spec = codec->spec;
1860         struct hda_jack_tbl *jack;
1861
1862         jack = snd_hda_jack_tbl_get_mst(codec, per_pin->pin_nid,
1863                                         per_pin->dev_id);
1864         if (jack)
1865                 jack->jack_dirty = 1;
1866
1867         if (per_pin->repoll_count++ > 6)
1868                 per_pin->repoll_count = 0;
1869
1870         mutex_lock(&spec->pcm_lock);
1871         hdmi_present_sense(per_pin, per_pin->repoll_count);
1872         mutex_unlock(&spec->pcm_lock);
1873 }
1874
1875 static int hdmi_add_pin(struct hda_codec *codec, hda_nid_t pin_nid)
1876 {
1877         struct hdmi_spec *spec = codec->spec;
1878         unsigned int caps, config;
1879         int pin_idx;
1880         struct hdmi_spec_per_pin *per_pin;
1881         int err;
1882         int dev_num, i;
1883
1884         caps = snd_hda_query_pin_caps(codec, pin_nid);
1885         if (!(caps & (AC_PINCAP_HDMI | AC_PINCAP_DP)))
1886                 return 0;
1887
1888         /*
1889          * For DP MST audio, Configuration Default is the same for
1890          * all device entries on the same pin
1891          */
1892         config = snd_hda_codec_get_pincfg(codec, pin_nid);
1893         if (get_defcfg_connect(config) == AC_JACK_PORT_NONE &&
1894             !spec->force_connect)
1895                 return 0;
1896
1897         /*
1898          * To simplify the implementation, malloc all
1899          * the virtual pins in the initialization statically
1900          */
1901         if (spec->intel_hsw_fixup) {
1902                 /*
1903                  * On Intel platforms, device entries count returned
1904                  * by AC_PAR_DEVLIST_LEN is dynamic, and depends on
1905                  * the type of receiver that is connected. Allocate pin
1906                  * structures based on worst case.
1907                  */
1908                 dev_num = spec->dev_num;
1909         } else if (codec->dp_mst) {
1910                 dev_num = snd_hda_get_num_devices(codec, pin_nid) + 1;
1911                 /*
1912                  * spec->dev_num is the maxinum number of device entries
1913                  * among all the pins
1914                  */
1915                 spec->dev_num = (spec->dev_num > dev_num) ?
1916                         spec->dev_num : dev_num;
1917         } else {
1918                 /*
1919                  * If the platform doesn't support DP MST,
1920                  * manually set dev_num to 1. This means
1921                  * the pin has only one device entry.
1922                  */
1923                 dev_num = 1;
1924                 spec->dev_num = 1;
1925         }
1926
1927         for (i = 0; i < dev_num; i++) {
1928                 pin_idx = spec->num_pins;
1929                 per_pin = snd_array_new(&spec->pins);
1930
1931                 if (!per_pin)
1932                         return -ENOMEM;
1933
1934                 per_pin->pcm = NULL;
1935                 per_pin->pcm_idx = -1;
1936                 per_pin->prev_pcm_idx = -1;
1937                 per_pin->pin_nid = pin_nid;
1938                 per_pin->pin_nid_idx = spec->num_nids;
1939                 per_pin->dev_id = i;
1940                 per_pin->non_pcm = false;
1941                 snd_hda_set_dev_select(codec, pin_nid, i);
1942                 err = hdmi_read_pin_conn(codec, pin_idx);
1943                 if (err < 0)
1944                         return err;
1945                 if (!is_jack_detectable(codec, pin_nid))
1946                         codec_warn(codec, "HDMI: pin NID 0x%x - jack not detectable\n", pin_nid);
1947                 spec->num_pins++;
1948         }
1949         spec->num_nids++;
1950
1951         return 0;
1952 }
1953
1954 static int hdmi_add_cvt(struct hda_codec *codec, hda_nid_t cvt_nid)
1955 {
1956         struct hdmi_spec *spec = codec->spec;
1957         struct hdmi_spec_per_cvt *per_cvt;
1958         unsigned int chans;
1959         int err;
1960
1961         chans = get_wcaps(codec, cvt_nid);
1962         chans = get_wcaps_channels(chans);
1963
1964         per_cvt = snd_array_new(&spec->cvts);
1965         if (!per_cvt)
1966                 return -ENOMEM;
1967
1968         per_cvt->cvt_nid = cvt_nid;
1969         per_cvt->channels_min = 2;
1970         if (chans <= 16) {
1971                 per_cvt->channels_max = chans;
1972                 if (chans > spec->chmap.channels_max)
1973                         spec->chmap.channels_max = chans;
1974         }
1975
1976         err = snd_hda_query_supported_pcm(codec, cvt_nid,
1977                                           &per_cvt->rates,
1978                                           &per_cvt->formats,
1979                                           NULL,
1980                                           &per_cvt->maxbps);
1981         if (err < 0)
1982                 return err;
1983
1984         if (spec->num_cvts < ARRAY_SIZE(spec->cvt_nids))
1985                 spec->cvt_nids[spec->num_cvts] = cvt_nid;
1986         spec->num_cvts++;
1987
1988         return 0;
1989 }
1990
1991 static const struct snd_pci_quirk force_connect_list[] = {
1992         SND_PCI_QUIRK(0x103c, 0x870f, "HP", 1),
1993         SND_PCI_QUIRK(0x103c, 0x871a, "HP", 1),
1994         SND_PCI_QUIRK(0x103c, 0x8711, "HP", 1),
1995         SND_PCI_QUIRK(0x103c, 0x8715, "HP", 1),
1996         SND_PCI_QUIRK(0x1043, 0x86ae, "ASUS", 1),  /* Z170 PRO */
1997         SND_PCI_QUIRK(0x1043, 0x86c7, "ASUS", 1),  /* Z170M PLUS */
1998         SND_PCI_QUIRK(0x1462, 0xec94, "MS-7C94", 1),
1999         SND_PCI_QUIRK(0x8086, 0x2060, "Intel NUC5CPYB", 1),
2000         SND_PCI_QUIRK(0x8086, 0x2081, "Intel NUC 10", 1),
2001         {}
2002 };
2003
2004 static int hdmi_parse_codec(struct hda_codec *codec)
2005 {
2006         struct hdmi_spec *spec = codec->spec;
2007         hda_nid_t start_nid;
2008         unsigned int caps;
2009         int i, nodes;
2010         const struct snd_pci_quirk *q;
2011
2012         nodes = snd_hda_get_sub_nodes(codec, codec->core.afg, &start_nid);
2013         if (!start_nid || nodes < 0) {
2014                 codec_warn(codec, "HDMI: failed to get afg sub nodes\n");
2015                 return -EINVAL;
2016         }
2017
2018         if (enable_all_pins)
2019                 spec->force_connect = true;
2020
2021         q = snd_pci_quirk_lookup(codec->bus->pci, force_connect_list);
2022
2023         if (q && q->value)
2024                 spec->force_connect = true;
2025
2026         /*
2027          * hdmi_add_pin() assumes total amount of converters to
2028          * be known, so first discover all converters
2029          */
2030         for (i = 0; i < nodes; i++) {
2031                 hda_nid_t nid = start_nid + i;
2032
2033                 caps = get_wcaps(codec, nid);
2034
2035                 if (!(caps & AC_WCAP_DIGITAL))
2036                         continue;
2037
2038                 if (get_wcaps_type(caps) == AC_WID_AUD_OUT)
2039                         hdmi_add_cvt(codec, nid);
2040         }
2041
2042         /* discover audio pins */
2043         for (i = 0; i < nodes; i++) {
2044                 hda_nid_t nid = start_nid + i;
2045
2046                 caps = get_wcaps(codec, nid);
2047
2048                 if (!(caps & AC_WCAP_DIGITAL))
2049                         continue;
2050
2051                 if (get_wcaps_type(caps) == AC_WID_PIN)
2052                         hdmi_add_pin(codec, nid);
2053         }
2054
2055         return 0;
2056 }
2057
2058 /*
2059  */
2060 static bool check_non_pcm_per_cvt(struct hda_codec *codec, hda_nid_t cvt_nid)
2061 {
2062         struct hda_spdif_out *spdif;
2063         bool non_pcm;
2064
2065         mutex_lock(&codec->spdif_mutex);
2066         spdif = snd_hda_spdif_out_of_nid(codec, cvt_nid);
2067         /* Add sanity check to pass klockwork check.
2068          * This should never happen.
2069          */
2070         if (WARN_ON(spdif == NULL)) {
2071                 mutex_unlock(&codec->spdif_mutex);
2072                 return true;
2073         }
2074         non_pcm = !!(spdif->status & IEC958_AES0_NONAUDIO);
2075         mutex_unlock(&codec->spdif_mutex);
2076         return non_pcm;
2077 }
2078
2079 /*
2080  * HDMI callbacks
2081  */
2082
2083 static int generic_hdmi_playback_pcm_prepare(struct hda_pcm_stream *hinfo,
2084                                            struct hda_codec *codec,
2085                                            unsigned int stream_tag,
2086                                            unsigned int format,
2087                                            struct snd_pcm_substream *substream)
2088 {
2089         hda_nid_t cvt_nid = hinfo->nid;
2090         struct hdmi_spec *spec = codec->spec;
2091         int pin_idx;
2092         struct hdmi_spec_per_pin *per_pin;
2093         struct snd_pcm_runtime *runtime = substream->runtime;
2094         bool non_pcm;
2095         int pinctl, stripe;
2096         int err = 0;
2097
2098         mutex_lock(&spec->pcm_lock);
2099         pin_idx = hinfo_to_pin_index(codec, hinfo);
2100         if (pin_idx < 0) {
2101                 /* when pcm is not bound to a pin skip pin setup and return 0
2102                  * to make audio playback be ongoing
2103                  */
2104                 pin_cvt_fixup(codec, NULL, cvt_nid);
2105                 snd_hda_codec_setup_stream(codec, cvt_nid,
2106                                         stream_tag, 0, format);
2107                 goto unlock;
2108         }
2109
2110         per_pin = get_pin(spec, pin_idx);
2111
2112         /* Verify pin:cvt selections to avoid silent audio after S3.
2113          * After S3, the audio driver restores pin:cvt selections
2114          * but this can happen before gfx is ready and such selection
2115          * is overlooked by HW. Thus multiple pins can share a same
2116          * default convertor and mute control will affect each other,
2117          * which can cause a resumed audio playback become silent
2118          * after S3.
2119          */
2120         pin_cvt_fixup(codec, per_pin, 0);
2121
2122         /* Call sync_audio_rate to set the N/CTS/M manually if necessary */
2123         /* Todo: add DP1.2 MST audio support later */
2124         if (codec_has_acomp(codec))
2125                 snd_hdac_sync_audio_rate(&codec->core, per_pin->pin_nid,
2126                                          per_pin->dev_id, runtime->rate);
2127
2128         non_pcm = check_non_pcm_per_cvt(codec, cvt_nid);
2129         mutex_lock(&per_pin->lock);
2130         per_pin->channels = substream->runtime->channels;
2131         per_pin->setup = true;
2132
2133         if (get_wcaps(codec, cvt_nid) & AC_WCAP_STRIPE) {
2134                 stripe = snd_hdac_get_stream_stripe_ctl(&codec->bus->core,
2135                                                         substream);
2136                 snd_hda_codec_write(codec, cvt_nid, 0,
2137                                     AC_VERB_SET_STRIPE_CONTROL,
2138                                     stripe);
2139         }
2140
2141         hdmi_setup_audio_infoframe(codec, per_pin, non_pcm);
2142         mutex_unlock(&per_pin->lock);
2143         if (spec->dyn_pin_out) {
2144                 snd_hda_set_dev_select(codec, per_pin->pin_nid,
2145                                        per_pin->dev_id);
2146                 pinctl = snd_hda_codec_read(codec, per_pin->pin_nid, 0,
2147                                             AC_VERB_GET_PIN_WIDGET_CONTROL, 0);
2148                 snd_hda_codec_write(codec, per_pin->pin_nid, 0,
2149                                     AC_VERB_SET_PIN_WIDGET_CONTROL,
2150                                     pinctl | PIN_OUT);
2151         }
2152
2153         /* snd_hda_set_dev_select() has been called before */
2154         err = spec->ops.setup_stream(codec, cvt_nid, per_pin->pin_nid,
2155                                      per_pin->dev_id, stream_tag, format);
2156  unlock:
2157         mutex_unlock(&spec->pcm_lock);
2158         return err;
2159 }
2160
2161 static int generic_hdmi_playback_pcm_cleanup(struct hda_pcm_stream *hinfo,
2162                                              struct hda_codec *codec,
2163                                              struct snd_pcm_substream *substream)
2164 {
2165         snd_hda_codec_cleanup_stream(codec, hinfo->nid);
2166         return 0;
2167 }
2168
2169 static int hdmi_pcm_close(struct hda_pcm_stream *hinfo,
2170                           struct hda_codec *codec,
2171                           struct snd_pcm_substream *substream)
2172 {
2173         struct hdmi_spec *spec = codec->spec;
2174         int cvt_idx, pin_idx, pcm_idx;
2175         struct hdmi_spec_per_cvt *per_cvt;
2176         struct hdmi_spec_per_pin *per_pin;
2177         int pinctl;
2178         int err = 0;
2179
2180         mutex_lock(&spec->pcm_lock);
2181         if (hinfo->nid) {
2182                 pcm_idx = hinfo_to_pcm_index(codec, hinfo);
2183                 if (snd_BUG_ON(pcm_idx < 0)) {
2184                         err = -EINVAL;
2185                         goto unlock;
2186                 }
2187                 cvt_idx = cvt_nid_to_cvt_index(codec, hinfo->nid);
2188                 if (snd_BUG_ON(cvt_idx < 0)) {
2189                         err = -EINVAL;
2190                         goto unlock;
2191                 }
2192                 per_cvt = get_cvt(spec, cvt_idx);
2193                 per_cvt->assigned = false;
2194                 hinfo->nid = 0;
2195
2196                 azx_stream(get_azx_dev(substream))->stripe = 0;
2197
2198                 snd_hda_spdif_ctls_unassign(codec, pcm_idx);
2199                 clear_bit(pcm_idx, &spec->pcm_in_use);
2200                 pin_idx = hinfo_to_pin_index(codec, hinfo);
2201                 /*
2202                  * In such a case, return 0 to match the behavior in
2203                  * hdmi_pcm_open()
2204                  */
2205                 if (pin_idx < 0)
2206                         goto unlock;
2207
2208                 per_pin = get_pin(spec, pin_idx);
2209
2210                 if (spec->dyn_pin_out) {
2211                         snd_hda_set_dev_select(codec, per_pin->pin_nid,
2212                                                per_pin->dev_id);
2213                         pinctl = snd_hda_codec_read(codec, per_pin->pin_nid, 0,
2214                                         AC_VERB_GET_PIN_WIDGET_CONTROL, 0);
2215                         snd_hda_codec_write(codec, per_pin->pin_nid, 0,
2216                                             AC_VERB_SET_PIN_WIDGET_CONTROL,
2217                                             pinctl & ~PIN_OUT);
2218                 }
2219
2220                 mutex_lock(&per_pin->lock);
2221                 per_pin->chmap_set = false;
2222                 memset(per_pin->chmap, 0, sizeof(per_pin->chmap));
2223
2224                 per_pin->setup = false;
2225                 per_pin->channels = 0;
2226                 mutex_unlock(&per_pin->lock);
2227         }
2228
2229 unlock:
2230         mutex_unlock(&spec->pcm_lock);
2231
2232         return err;
2233 }
2234
2235 static const struct hda_pcm_ops generic_ops = {
2236         .open = hdmi_pcm_open,
2237         .close = hdmi_pcm_close,
2238         .prepare = generic_hdmi_playback_pcm_prepare,
2239         .cleanup = generic_hdmi_playback_pcm_cleanup,
2240 };
2241
2242 static int hdmi_get_spk_alloc(struct hdac_device *hdac, int pcm_idx)
2243 {
2244         struct hda_codec *codec = hdac_to_hda_codec(hdac);
2245         struct hdmi_spec *spec = codec->spec;
2246         struct hdmi_spec_per_pin *per_pin = pcm_idx_to_pin(spec, pcm_idx);
2247
2248         if (!per_pin)
2249                 return 0;
2250
2251         return per_pin->sink_eld.info.spk_alloc;
2252 }
2253
2254 static void hdmi_get_chmap(struct hdac_device *hdac, int pcm_idx,
2255                                         unsigned char *chmap)
2256 {
2257         struct hda_codec *codec = hdac_to_hda_codec(hdac);
2258         struct hdmi_spec *spec = codec->spec;
2259         struct hdmi_spec_per_pin *per_pin = pcm_idx_to_pin(spec, pcm_idx);
2260
2261         /* chmap is already set to 0 in caller */
2262         if (!per_pin)
2263                 return;
2264
2265         memcpy(chmap, per_pin->chmap, ARRAY_SIZE(per_pin->chmap));
2266 }
2267
2268 static void hdmi_set_chmap(struct hdac_device *hdac, int pcm_idx,
2269                                 unsigned char *chmap, int prepared)
2270 {
2271         struct hda_codec *codec = hdac_to_hda_codec(hdac);
2272         struct hdmi_spec *spec = codec->spec;
2273         struct hdmi_spec_per_pin *per_pin = pcm_idx_to_pin(spec, pcm_idx);
2274
2275         if (!per_pin)
2276                 return;
2277         mutex_lock(&per_pin->lock);
2278         per_pin->chmap_set = true;
2279         memcpy(per_pin->chmap, chmap, ARRAY_SIZE(per_pin->chmap));
2280         if (prepared)
2281                 hdmi_setup_audio_infoframe(codec, per_pin, per_pin->non_pcm);
2282         mutex_unlock(&per_pin->lock);
2283 }
2284
2285 static bool is_hdmi_pcm_attached(struct hdac_device *hdac, int pcm_idx)
2286 {
2287         struct hda_codec *codec = hdac_to_hda_codec(hdac);
2288         struct hdmi_spec *spec = codec->spec;
2289         struct hdmi_spec_per_pin *per_pin = pcm_idx_to_pin(spec, pcm_idx);
2290
2291         return per_pin ? true:false;
2292 }
2293
2294 static int generic_hdmi_build_pcms(struct hda_codec *codec)
2295 {
2296         struct hdmi_spec *spec = codec->spec;
2297         int idx, pcm_num;
2298
2299         /* limit the PCM devices to the codec converters or available PINs */
2300         pcm_num = min(spec->num_cvts, spec->num_pins);
2301         codec_dbg(codec, "hdmi: pcm_num set to %d\n", pcm_num);
2302
2303         for (idx = 0; idx < pcm_num; idx++) {
2304                 struct hdmi_spec_per_cvt *per_cvt;
2305                 struct hda_pcm *info;
2306                 struct hda_pcm_stream *pstr;
2307
2308                 info = snd_hda_codec_pcm_new(codec, "HDMI %d", idx);
2309                 if (!info)
2310                         return -ENOMEM;
2311
2312                 spec->pcm_rec[idx].pcm = info;
2313                 spec->pcm_used++;
2314                 info->pcm_type = HDA_PCM_TYPE_HDMI;
2315                 info->own_chmap = true;
2316
2317                 pstr = &info->stream[SNDRV_PCM_STREAM_PLAYBACK];
2318                 pstr->substreams = 1;
2319                 pstr->ops = generic_ops;
2320
2321                 per_cvt = get_cvt(spec, 0);
2322                 pstr->channels_min = per_cvt->channels_min;
2323                 pstr->channels_max = per_cvt->channels_max;
2324
2325                 /* pcm number is less than pcm_rec array size */
2326                 if (spec->pcm_used >= ARRAY_SIZE(spec->pcm_rec))
2327                         break;
2328                 /* other pstr fields are set in open */
2329         }
2330
2331         return 0;
2332 }
2333
2334 static void free_hdmi_jack_priv(struct snd_jack *jack)
2335 {
2336         struct hdmi_pcm *pcm = jack->private_data;
2337
2338         pcm->jack = NULL;
2339 }
2340
2341 static int generic_hdmi_build_jack(struct hda_codec *codec, int pcm_idx)
2342 {
2343         char hdmi_str[32] = "HDMI/DP";
2344         struct hdmi_spec *spec = codec->spec;
2345         struct snd_jack *jack;
2346         int pcmdev = get_pcm_rec(spec, pcm_idx)->device;
2347         int err;
2348
2349         if (pcmdev > 0)
2350                 sprintf(hdmi_str + strlen(hdmi_str), ",pcm=%d", pcmdev);
2351
2352         err = snd_jack_new(codec->card, hdmi_str, SND_JACK_AVOUT, &jack,
2353                            true, false);
2354         if (err < 0)
2355                 return err;
2356
2357         spec->pcm_rec[pcm_idx].jack = jack;
2358         jack->private_data = &spec->pcm_rec[pcm_idx];
2359         jack->private_free = free_hdmi_jack_priv;
2360         return 0;
2361 }
2362
2363 static int generic_hdmi_build_controls(struct hda_codec *codec)
2364 {
2365         struct hdmi_spec *spec = codec->spec;
2366         int dev, err;
2367         int pin_idx, pcm_idx;
2368
2369         for (pcm_idx = 0; pcm_idx < spec->pcm_used; pcm_idx++) {
2370                 if (!get_pcm_rec(spec, pcm_idx)->pcm) {
2371                         /* no PCM: mark this for skipping permanently */
2372                         set_bit(pcm_idx, &spec->pcm_bitmap);
2373                         continue;
2374                 }
2375
2376                 err = generic_hdmi_build_jack(codec, pcm_idx);
2377                 if (err < 0)
2378                         return err;
2379
2380                 /* create the spdif for each pcm
2381                  * pin will be bound when monitor is connected
2382                  */
2383                 err = snd_hda_create_dig_out_ctls(codec,
2384                                           0, spec->cvt_nids[0],
2385                                           HDA_PCM_TYPE_HDMI);
2386                 if (err < 0)
2387                         return err;
2388                 snd_hda_spdif_ctls_unassign(codec, pcm_idx);
2389
2390                 dev = get_pcm_rec(spec, pcm_idx)->device;
2391                 if (dev != SNDRV_PCM_INVALID_DEVICE) {
2392                         /* add control for ELD Bytes */
2393                         err = hdmi_create_eld_ctl(codec, pcm_idx, dev);
2394                         if (err < 0)
2395                                 return err;
2396                 }
2397         }
2398
2399         for (pin_idx = 0; pin_idx < spec->num_pins; pin_idx++) {
2400                 struct hdmi_spec_per_pin *per_pin = get_pin(spec, pin_idx);
2401                 struct hdmi_eld *pin_eld = &per_pin->sink_eld;
2402
2403                 if (spec->static_pcm_mapping) {
2404                         hdmi_attach_hda_pcm(spec, per_pin);
2405                         hdmi_pcm_setup_pin(spec, per_pin);
2406                 }
2407
2408                 pin_eld->eld_valid = false;
2409                 hdmi_present_sense(per_pin, 0);
2410         }
2411
2412         /* add channel maps */
2413         for (pcm_idx = 0; pcm_idx < spec->pcm_used; pcm_idx++) {
2414                 struct hda_pcm *pcm;
2415
2416                 pcm = get_pcm_rec(spec, pcm_idx);
2417                 if (!pcm || !pcm->pcm)
2418                         break;
2419                 err = snd_hdac_add_chmap_ctls(pcm->pcm, pcm_idx, &spec->chmap);
2420                 if (err < 0)
2421                         return err;
2422         }
2423
2424         return 0;
2425 }
2426
2427 static int generic_hdmi_init_per_pins(struct hda_codec *codec)
2428 {
2429         struct hdmi_spec *spec = codec->spec;
2430         int pin_idx;
2431
2432         for (pin_idx = 0; pin_idx < spec->num_pins; pin_idx++) {
2433                 struct hdmi_spec_per_pin *per_pin = get_pin(spec, pin_idx);
2434
2435                 per_pin->codec = codec;
2436                 mutex_init(&per_pin->lock);
2437                 INIT_DELAYED_WORK(&per_pin->work, hdmi_repoll_eld);
2438                 eld_proc_new(per_pin, pin_idx);
2439         }
2440         return 0;
2441 }
2442
2443 static int generic_hdmi_init(struct hda_codec *codec)
2444 {
2445         struct hdmi_spec *spec = codec->spec;
2446         int pin_idx;
2447
2448         mutex_lock(&spec->bind_lock);
2449         for (pin_idx = 0; pin_idx < spec->num_pins; pin_idx++) {
2450                 struct hdmi_spec_per_pin *per_pin = get_pin(spec, pin_idx);
2451                 hda_nid_t pin_nid = per_pin->pin_nid;
2452                 int dev_id = per_pin->dev_id;
2453
2454                 snd_hda_set_dev_select(codec, pin_nid, dev_id);
2455                 hdmi_init_pin(codec, pin_nid);
2456                 if (codec_has_acomp(codec))
2457                         continue;
2458                 snd_hda_jack_detect_enable_callback_mst(codec, pin_nid, dev_id,
2459                                                         jack_callback);
2460         }
2461         mutex_unlock(&spec->bind_lock);
2462         return 0;
2463 }
2464
2465 static void hdmi_array_init(struct hdmi_spec *spec, int nums)
2466 {
2467         snd_array_init(&spec->pins, sizeof(struct hdmi_spec_per_pin), nums);
2468         snd_array_init(&spec->cvts, sizeof(struct hdmi_spec_per_cvt), nums);
2469 }
2470
2471 static void hdmi_array_free(struct hdmi_spec *spec)
2472 {
2473         snd_array_free(&spec->pins);
2474         snd_array_free(&spec->cvts);
2475 }
2476
2477 static void generic_spec_free(struct hda_codec *codec)
2478 {
2479         struct hdmi_spec *spec = codec->spec;
2480
2481         if (spec) {
2482                 hdmi_array_free(spec);
2483                 kfree(spec);
2484                 codec->spec = NULL;
2485         }
2486         codec->dp_mst = false;
2487 }
2488
2489 static void generic_hdmi_free(struct hda_codec *codec)
2490 {
2491         struct hdmi_spec *spec = codec->spec;
2492         int pin_idx, pcm_idx;
2493
2494         if (spec->acomp_registered) {
2495                 snd_hdac_acomp_exit(&codec->bus->core);
2496         } else if (codec_has_acomp(codec)) {
2497                 snd_hdac_acomp_register_notifier(&codec->bus->core, NULL);
2498         }
2499         codec->relaxed_resume = 0;
2500
2501         for (pin_idx = 0; pin_idx < spec->num_pins; pin_idx++) {
2502                 struct hdmi_spec_per_pin *per_pin = get_pin(spec, pin_idx);
2503                 cancel_delayed_work_sync(&per_pin->work);
2504                 eld_proc_free(per_pin);
2505         }
2506
2507         for (pcm_idx = 0; pcm_idx < spec->pcm_used; pcm_idx++) {
2508                 if (spec->pcm_rec[pcm_idx].jack == NULL)
2509                         continue;
2510                 snd_device_free(codec->card, spec->pcm_rec[pcm_idx].jack);
2511         }
2512
2513         generic_spec_free(codec);
2514 }
2515
2516 #ifdef CONFIG_PM
2517 static int generic_hdmi_suspend(struct hda_codec *codec)
2518 {
2519         struct hdmi_spec *spec = codec->spec;
2520         int pin_idx;
2521
2522         for (pin_idx = 0; pin_idx < spec->num_pins; pin_idx++) {
2523                 struct hdmi_spec_per_pin *per_pin = get_pin(spec, pin_idx);
2524                 cancel_delayed_work_sync(&per_pin->work);
2525         }
2526         return 0;
2527 }
2528
2529 static int generic_hdmi_resume(struct hda_codec *codec)
2530 {
2531         struct hdmi_spec *spec = codec->spec;
2532         int pin_idx;
2533
2534         codec->patch_ops.init(codec);
2535         snd_hda_regmap_sync(codec);
2536
2537         for (pin_idx = 0; pin_idx < spec->num_pins; pin_idx++) {
2538                 struct hdmi_spec_per_pin *per_pin = get_pin(spec, pin_idx);
2539                 hdmi_present_sense(per_pin, 1);
2540         }
2541         return 0;
2542 }
2543 #endif
2544
2545 static const struct hda_codec_ops generic_hdmi_patch_ops = {
2546         .init                   = generic_hdmi_init,
2547         .free                   = generic_hdmi_free,
2548         .build_pcms             = generic_hdmi_build_pcms,
2549         .build_controls         = generic_hdmi_build_controls,
2550         .unsol_event            = hdmi_unsol_event,
2551 #ifdef CONFIG_PM
2552         .suspend                = generic_hdmi_suspend,
2553         .resume                 = generic_hdmi_resume,
2554 #endif
2555 };
2556
2557 static const struct hdmi_ops generic_standard_hdmi_ops = {
2558         .pin_get_eld                            = hdmi_pin_get_eld,
2559         .pin_setup_infoframe                    = hdmi_pin_setup_infoframe,
2560         .pin_hbr_setup                          = hdmi_pin_hbr_setup,
2561         .setup_stream                           = hdmi_setup_stream,
2562 };
2563
2564 /* allocate codec->spec and assign/initialize generic parser ops */
2565 static int alloc_generic_hdmi(struct hda_codec *codec)
2566 {
2567         struct hdmi_spec *spec;
2568
2569         spec = kzalloc(sizeof(*spec), GFP_KERNEL);
2570         if (!spec)
2571                 return -ENOMEM;
2572
2573         spec->codec = codec;
2574         spec->ops = generic_standard_hdmi_ops;
2575         spec->dev_num = 1;      /* initialize to 1 */
2576         mutex_init(&spec->pcm_lock);
2577         mutex_init(&spec->bind_lock);
2578         snd_hdac_register_chmap_ops(&codec->core, &spec->chmap);
2579
2580         spec->chmap.ops.get_chmap = hdmi_get_chmap;
2581         spec->chmap.ops.set_chmap = hdmi_set_chmap;
2582         spec->chmap.ops.is_pcm_attached = is_hdmi_pcm_attached;
2583         spec->chmap.ops.get_spk_alloc = hdmi_get_spk_alloc;
2584
2585         codec->spec = spec;
2586         hdmi_array_init(spec, 4);
2587
2588         codec->patch_ops = generic_hdmi_patch_ops;
2589
2590         return 0;
2591 }
2592
2593 /* generic HDMI parser */
2594 static int patch_generic_hdmi(struct hda_codec *codec)
2595 {
2596         int err;
2597
2598         err = alloc_generic_hdmi(codec);
2599         if (err < 0)
2600                 return err;
2601
2602         err = hdmi_parse_codec(codec);
2603         if (err < 0) {
2604                 generic_spec_free(codec);
2605                 return err;
2606         }
2607
2608         generic_hdmi_init_per_pins(codec);
2609         return 0;
2610 }
2611
2612 /*
2613  * generic audio component binding
2614  */
2615
2616 /* turn on / off the unsol event jack detection dynamically */
2617 static void reprogram_jack_detect(struct hda_codec *codec, hda_nid_t nid,
2618                                   int dev_id, bool use_acomp)
2619 {
2620         struct hda_jack_tbl *tbl;
2621
2622         tbl = snd_hda_jack_tbl_get_mst(codec, nid, dev_id);
2623         if (tbl) {
2624                 /* clear unsol even if component notifier is used, or re-enable
2625                  * if notifier is cleared
2626                  */
2627                 unsigned int val = use_acomp ? 0 : (AC_USRSP_EN | tbl->tag);
2628                 snd_hda_codec_write_cache(codec, nid, 0,
2629                                           AC_VERB_SET_UNSOLICITED_ENABLE, val);
2630         }
2631 }
2632
2633 /* set up / clear component notifier dynamically */
2634 static void generic_acomp_notifier_set(struct drm_audio_component *acomp,
2635                                        bool use_acomp)
2636 {
2637         struct hdmi_spec *spec;
2638         int i;
2639
2640         spec = container_of(acomp->audio_ops, struct hdmi_spec, drm_audio_ops);
2641         mutex_lock(&spec->bind_lock);
2642         spec->use_acomp_notifier = use_acomp;
2643         spec->codec->relaxed_resume = use_acomp;
2644         spec->codec->bus->keep_power = 0;
2645         /* reprogram each jack detection logic depending on the notifier */
2646         for (i = 0; i < spec->num_pins; i++)
2647                 reprogram_jack_detect(spec->codec,
2648                                       get_pin(spec, i)->pin_nid,
2649                                       get_pin(spec, i)->dev_id,
2650                                       use_acomp);
2651         mutex_unlock(&spec->bind_lock);
2652 }
2653
2654 /* enable / disable the notifier via master bind / unbind */
2655 static int generic_acomp_master_bind(struct device *dev,
2656                                      struct drm_audio_component *acomp)
2657 {
2658         generic_acomp_notifier_set(acomp, true);
2659         return 0;
2660 }
2661
2662 static void generic_acomp_master_unbind(struct device *dev,
2663                                         struct drm_audio_component *acomp)
2664 {
2665         generic_acomp_notifier_set(acomp, false);
2666 }
2667
2668 /* check whether both HD-audio and DRM PCI devices belong to the same bus */
2669 static int match_bound_vga(struct device *dev, int subtype, void *data)
2670 {
2671         struct hdac_bus *bus = data;
2672         struct pci_dev *pci, *master;
2673
2674         if (!dev_is_pci(dev) || !dev_is_pci(bus->dev))
2675                 return 0;
2676         master = to_pci_dev(bus->dev);
2677         pci = to_pci_dev(dev);
2678         return master->bus == pci->bus;
2679 }
2680
2681 /* audio component notifier for AMD/Nvidia HDMI codecs */
2682 static void generic_acomp_pin_eld_notify(void *audio_ptr, int port, int dev_id)
2683 {
2684         struct hda_codec *codec = audio_ptr;
2685         struct hdmi_spec *spec = codec->spec;
2686         hda_nid_t pin_nid = spec->port2pin(codec, port);
2687
2688         if (!pin_nid)
2689                 return;
2690         if (get_wcaps_type(get_wcaps(codec, pin_nid)) != AC_WID_PIN)
2691                 return;
2692         /* skip notification during system suspend (but not in runtime PM);
2693          * the state will be updated at resume
2694          */
2695         if (codec->core.dev.power.power_state.event == PM_EVENT_SUSPEND)
2696                 return;
2697
2698         check_presence_and_report(codec, pin_nid, dev_id);
2699 }
2700
2701 /* set up the private drm_audio_ops from the template */
2702 static void setup_drm_audio_ops(struct hda_codec *codec,
2703                                 const struct drm_audio_component_audio_ops *ops)
2704 {
2705         struct hdmi_spec *spec = codec->spec;
2706
2707         spec->drm_audio_ops.audio_ptr = codec;
2708         /* intel_audio_codec_enable() or intel_audio_codec_disable()
2709          * will call pin_eld_notify with using audio_ptr pointer
2710          * We need make sure audio_ptr is really setup
2711          */
2712         wmb();
2713         spec->drm_audio_ops.pin2port = ops->pin2port;
2714         spec->drm_audio_ops.pin_eld_notify = ops->pin_eld_notify;
2715         spec->drm_audio_ops.master_bind = ops->master_bind;
2716         spec->drm_audio_ops.master_unbind = ops->master_unbind;
2717 }
2718
2719 /* initialize the generic HDMI audio component */
2720 static void generic_acomp_init(struct hda_codec *codec,
2721                                const struct drm_audio_component_audio_ops *ops,
2722                                int (*port2pin)(struct hda_codec *, int))
2723 {
2724         struct hdmi_spec *spec = codec->spec;
2725
2726         if (!enable_acomp) {
2727                 codec_info(codec, "audio component disabled by module option\n");
2728                 return;
2729         }
2730
2731         spec->port2pin = port2pin;
2732         setup_drm_audio_ops(codec, ops);
2733         if (!snd_hdac_acomp_init(&codec->bus->core, &spec->drm_audio_ops,
2734                                  match_bound_vga, 0)) {
2735                 spec->acomp_registered = true;
2736         }
2737 }
2738
2739 /*
2740  * Intel codec parsers and helpers
2741  */
2742
2743 #define INTEL_GET_VENDOR_VERB   0xf81
2744 #define INTEL_SET_VENDOR_VERB   0x781
2745 #define INTEL_EN_DP12           0x02    /* enable DP 1.2 features */
2746 #define INTEL_EN_ALL_PIN_CVTS   0x01    /* enable 2nd & 3rd pins and convertors */
2747
2748 static void intel_haswell_enable_all_pins(struct hda_codec *codec,
2749                                           bool update_tree)
2750 {
2751         unsigned int vendor_param;
2752         struct hdmi_spec *spec = codec->spec;
2753
2754         vendor_param = snd_hda_codec_read(codec, spec->vendor_nid, 0,
2755                                 INTEL_GET_VENDOR_VERB, 0);
2756         if (vendor_param == -1 || vendor_param & INTEL_EN_ALL_PIN_CVTS)
2757                 return;
2758
2759         vendor_param |= INTEL_EN_ALL_PIN_CVTS;
2760         vendor_param = snd_hda_codec_read(codec, spec->vendor_nid, 0,
2761                                 INTEL_SET_VENDOR_VERB, vendor_param);
2762         if (vendor_param == -1)
2763                 return;
2764
2765         if (update_tree)
2766                 snd_hda_codec_update_widgets(codec);
2767 }
2768
2769 static void intel_haswell_fixup_enable_dp12(struct hda_codec *codec)
2770 {
2771         unsigned int vendor_param;
2772         struct hdmi_spec *spec = codec->spec;
2773
2774         vendor_param = snd_hda_codec_read(codec, spec->vendor_nid, 0,
2775                                 INTEL_GET_VENDOR_VERB, 0);
2776         if (vendor_param == -1 || vendor_param & INTEL_EN_DP12)
2777                 return;
2778
2779         /* enable DP1.2 mode */
2780         vendor_param |= INTEL_EN_DP12;
2781         snd_hdac_regmap_add_vendor_verb(&codec->core, INTEL_SET_VENDOR_VERB);
2782         snd_hda_codec_write_cache(codec, spec->vendor_nid, 0,
2783                                 INTEL_SET_VENDOR_VERB, vendor_param);
2784 }
2785
2786 /* Haswell needs to re-issue the vendor-specific verbs before turning to D0.
2787  * Otherwise you may get severe h/w communication errors.
2788  */
2789 static void haswell_set_power_state(struct hda_codec *codec, hda_nid_t fg,
2790                                 unsigned int power_state)
2791 {
2792         if (power_state == AC_PWRST_D0) {
2793                 intel_haswell_enable_all_pins(codec, false);
2794                 intel_haswell_fixup_enable_dp12(codec);
2795         }
2796
2797         snd_hda_codec_read(codec, fg, 0, AC_VERB_SET_POWER_STATE, power_state);
2798         snd_hda_codec_set_power_to_all(codec, fg, power_state);
2799 }
2800
2801 /* There is a fixed mapping between audio pin node and display port.
2802  * on SNB, IVY, HSW, BSW, SKL, BXT, KBL:
2803  * Pin Widget 5 - PORT B (port = 1 in i915 driver)
2804  * Pin Widget 6 - PORT C (port = 2 in i915 driver)
2805  * Pin Widget 7 - PORT D (port = 3 in i915 driver)
2806  *
2807  * on VLV, ILK:
2808  * Pin Widget 4 - PORT B (port = 1 in i915 driver)
2809  * Pin Widget 5 - PORT C (port = 2 in i915 driver)
2810  * Pin Widget 6 - PORT D (port = 3 in i915 driver)
2811  */
2812 static int intel_base_nid(struct hda_codec *codec)
2813 {
2814         switch (codec->core.vendor_id) {
2815         case 0x80860054: /* ILK */
2816         case 0x80862804: /* ILK */
2817         case 0x80862882: /* VLV */
2818                 return 4;
2819         default:
2820                 return 5;
2821         }
2822 }
2823
2824 static int intel_pin2port(void *audio_ptr, int pin_nid)
2825 {
2826         struct hda_codec *codec = audio_ptr;
2827         struct hdmi_spec *spec = codec->spec;
2828         int base_nid, i;
2829
2830         if (!spec->port_num) {
2831                 base_nid = intel_base_nid(codec);
2832                 if (WARN_ON(pin_nid < base_nid || pin_nid >= base_nid + 3))
2833                         return -1;
2834                 return pin_nid - base_nid + 1;
2835         }
2836
2837         /*
2838          * looking for the pin number in the mapping table and return
2839          * the index which indicate the port number
2840          */
2841         for (i = 0; i < spec->port_num; i++) {
2842                 if (pin_nid == spec->port_map[i])
2843                         return i;
2844         }
2845
2846         codec_info(codec, "Can't find the HDMI/DP port for pin NID 0x%x\n", pin_nid);
2847         return -1;
2848 }
2849
2850 static int intel_port2pin(struct hda_codec *codec, int port)
2851 {
2852         struct hdmi_spec *spec = codec->spec;
2853
2854         if (!spec->port_num) {
2855                 /* we assume only from port-B to port-D */
2856                 if (port < 1 || port > 3)
2857                         return 0;
2858                 return port + intel_base_nid(codec) - 1;
2859         }
2860
2861         if (port < 0 || port >= spec->port_num)
2862                 return 0;
2863         return spec->port_map[port];
2864 }
2865
2866 static void intel_pin_eld_notify(void *audio_ptr, int port, int pipe)
2867 {
2868         struct hda_codec *codec = audio_ptr;
2869         int pin_nid;
2870         int dev_id = pipe;
2871
2872         pin_nid = intel_port2pin(codec, port);
2873         if (!pin_nid)
2874                 return;
2875         /* skip notification during system suspend (but not in runtime PM);
2876          * the state will be updated at resume
2877          */
2878         if (codec->core.dev.power.power_state.event == PM_EVENT_SUSPEND)
2879                 return;
2880
2881         snd_hdac_i915_set_bclk(&codec->bus->core);
2882         check_presence_and_report(codec, pin_nid, dev_id);
2883 }
2884
2885 static const struct drm_audio_component_audio_ops intel_audio_ops = {
2886         .pin2port = intel_pin2port,
2887         .pin_eld_notify = intel_pin_eld_notify,
2888 };
2889
2890 /* register i915 component pin_eld_notify callback */
2891 static void register_i915_notifier(struct hda_codec *codec)
2892 {
2893         struct hdmi_spec *spec = codec->spec;
2894
2895         spec->use_acomp_notifier = true;
2896         spec->port2pin = intel_port2pin;
2897         setup_drm_audio_ops(codec, &intel_audio_ops);
2898         snd_hdac_acomp_register_notifier(&codec->bus->core,
2899                                         &spec->drm_audio_ops);
2900         /* no need for forcible resume for jack check thanks to notifier */
2901         codec->relaxed_resume = 1;
2902 }
2903
2904 /* setup_stream ops override for HSW+ */
2905 static int i915_hsw_setup_stream(struct hda_codec *codec, hda_nid_t cvt_nid,
2906                                  hda_nid_t pin_nid, int dev_id, u32 stream_tag,
2907                                  int format)
2908 {
2909         struct hdmi_spec *spec = codec->spec;
2910         int pin_idx = pin_id_to_pin_index(codec, pin_nid, dev_id);
2911         struct hdmi_spec_per_pin *per_pin;
2912         int res;
2913
2914         if (pin_idx < 0)
2915                 per_pin = NULL;
2916         else
2917                 per_pin = get_pin(spec, pin_idx);
2918
2919         haswell_verify_D0(codec, cvt_nid, pin_nid);
2920
2921         if (spec->silent_stream_type == SILENT_STREAM_KAE && per_pin && per_pin->silent_stream) {
2922                 silent_stream_set_kae(codec, per_pin, false);
2923                 /* wait for pending transfers in codec to clear */
2924                 usleep_range(100, 200);
2925         }
2926
2927         res = hdmi_setup_stream(codec, cvt_nid, pin_nid, dev_id,
2928                                 stream_tag, format);
2929
2930         if (spec->silent_stream_type == SILENT_STREAM_KAE && per_pin && per_pin->silent_stream) {
2931                 usleep_range(100, 200);
2932                 silent_stream_set_kae(codec, per_pin, true);
2933         }
2934
2935         return res;
2936 }
2937
2938 /* pin_cvt_fixup ops override for HSW+ and VLV+ */
2939 static void i915_pin_cvt_fixup(struct hda_codec *codec,
2940                                struct hdmi_spec_per_pin *per_pin,
2941                                hda_nid_t cvt_nid)
2942 {
2943         if (per_pin) {
2944                 haswell_verify_D0(codec, per_pin->cvt_nid, per_pin->pin_nid);
2945                 snd_hda_set_dev_select(codec, per_pin->pin_nid,
2946                                per_pin->dev_id);
2947                 intel_verify_pin_cvt_connect(codec, per_pin);
2948                 intel_not_share_assigned_cvt(codec, per_pin->pin_nid,
2949                                      per_pin->dev_id, per_pin->mux_idx);
2950         } else {
2951                 intel_not_share_assigned_cvt_nid(codec, 0, 0, cvt_nid);
2952         }
2953 }
2954
2955 #ifdef CONFIG_PM
2956 static int i915_adlp_hdmi_suspend(struct hda_codec *codec)
2957 {
2958         struct hdmi_spec *spec = codec->spec;
2959         bool silent_streams = false;
2960         int pin_idx, res;
2961
2962         res = generic_hdmi_suspend(codec);
2963
2964         for (pin_idx = 0; pin_idx < spec->num_pins; pin_idx++) {
2965                 struct hdmi_spec_per_pin *per_pin = get_pin(spec, pin_idx);
2966
2967                 if (per_pin->silent_stream) {
2968                         silent_streams = true;
2969                         break;
2970                 }
2971         }
2972
2973         if (silent_streams && spec->silent_stream_type == SILENT_STREAM_KAE) {
2974                 /*
2975                  * stream-id should remain programmed when codec goes
2976                  * to runtime suspend
2977                  */
2978                 codec->no_stream_clean_at_suspend = 1;
2979
2980                 /*
2981                  * the system might go to S3, in which case keep-alive
2982                  * must be reprogrammed upon resume
2983                  */
2984                 codec->forced_resume = 1;
2985
2986                 codec_dbg(codec, "HDMI: KAE active at suspend\n");
2987         } else {
2988                 codec->no_stream_clean_at_suspend = 0;
2989                 codec->forced_resume = 0;
2990         }
2991
2992         return res;
2993 }
2994
2995 static int i915_adlp_hdmi_resume(struct hda_codec *codec)
2996 {
2997         struct hdmi_spec *spec = codec->spec;
2998         int pin_idx, res;
2999
3000         res = generic_hdmi_resume(codec);
3001
3002         /* KAE not programmed at suspend, nothing to do here */
3003         if (!codec->no_stream_clean_at_suspend)
3004                 return res;
3005
3006         for (pin_idx = 0; pin_idx < spec->num_pins; pin_idx++) {
3007                 struct hdmi_spec_per_pin *per_pin = get_pin(spec, pin_idx);
3008
3009                 /*
3010                  * If system was in suspend with monitor connected,
3011                  * the codec setting may have been lost. Re-enable
3012                  * keep-alive.
3013                  */
3014                 if (per_pin->silent_stream) {
3015                         unsigned int param;
3016
3017                         param = snd_hda_codec_read(codec, per_pin->cvt_nid, 0,
3018                                                    AC_VERB_GET_CONV, 0);
3019                         if (!param) {
3020                                 codec_dbg(codec, "HDMI: KAE: restore stream id\n");
3021                                 silent_stream_enable_i915(codec, per_pin);
3022                         }
3023
3024                         param = snd_hda_codec_read(codec, per_pin->cvt_nid, 0,
3025                                                    AC_VERB_GET_DIGI_CONVERT_1, 0);
3026                         if (!(param & (AC_DIG3_KAE << 16))) {
3027                                 codec_dbg(codec, "HDMI: KAE: restore DIG3_KAE\n");
3028                                 silent_stream_set_kae(codec, per_pin, true);
3029                         }
3030                 }
3031         }
3032
3033         return res;
3034 }
3035 #endif
3036
3037 /* precondition and allocation for Intel codecs */
3038 static int alloc_intel_hdmi(struct hda_codec *codec)
3039 {
3040         int err;
3041
3042         /* requires i915 binding */
3043         if (!codec->bus->core.audio_component) {
3044                 codec_info(codec, "No i915 binding for Intel HDMI/DP codec\n");
3045                 /* set probe_id here to prevent generic fallback binding */
3046                 codec->probe_id = HDA_CODEC_ID_SKIP_PROBE;
3047                 return -ENODEV;
3048         }
3049
3050         err = alloc_generic_hdmi(codec);
3051         if (err < 0)
3052                 return err;
3053         /* no need to handle unsol events */
3054         codec->patch_ops.unsol_event = NULL;
3055         return 0;
3056 }
3057
3058 /* parse and post-process for Intel codecs */
3059 static int parse_intel_hdmi(struct hda_codec *codec)
3060 {
3061         int err, retries = 3;
3062
3063         do {
3064                 err = hdmi_parse_codec(codec);
3065         } while (err < 0 && retries--);
3066
3067         if (err < 0) {
3068                 generic_spec_free(codec);
3069                 return err;
3070         }
3071
3072         generic_hdmi_init_per_pins(codec);
3073         register_i915_notifier(codec);
3074         return 0;
3075 }
3076
3077 /* Intel Haswell and onwards; audio component with eld notifier */
3078 static int intel_hsw_common_init(struct hda_codec *codec, hda_nid_t vendor_nid,
3079                                  const int *port_map, int port_num, int dev_num,
3080                                  bool send_silent_stream)
3081 {
3082         struct hdmi_spec *spec;
3083         int err;
3084
3085         err = alloc_intel_hdmi(codec);
3086         if (err < 0)
3087                 return err;
3088         spec = codec->spec;
3089         codec->dp_mst = true;
3090         spec->vendor_nid = vendor_nid;
3091         spec->port_map = port_map;
3092         spec->port_num = port_num;
3093         spec->intel_hsw_fixup = true;
3094         spec->dev_num = dev_num;
3095
3096         intel_haswell_enable_all_pins(codec, true);
3097         intel_haswell_fixup_enable_dp12(codec);
3098
3099         codec->display_power_control = 1;
3100
3101         codec->patch_ops.set_power_state = haswell_set_power_state;
3102         codec->depop_delay = 0;
3103         codec->auto_runtime_pm = 1;
3104
3105         spec->ops.setup_stream = i915_hsw_setup_stream;
3106         spec->ops.pin_cvt_fixup = i915_pin_cvt_fixup;
3107
3108         /*
3109          * Enable silent stream feature, if it is enabled via
3110          * module param or Kconfig option
3111          */
3112         if (send_silent_stream)
3113                 spec->silent_stream_type = SILENT_STREAM_I915;
3114
3115         return parse_intel_hdmi(codec);
3116 }
3117
3118 static int patch_i915_hsw_hdmi(struct hda_codec *codec)
3119 {
3120         return intel_hsw_common_init(codec, 0x08, NULL, 0, 3,
3121                                      enable_silent_stream);
3122 }
3123
3124 static int patch_i915_glk_hdmi(struct hda_codec *codec)
3125 {
3126         /*
3127          * Silent stream calls audio component .get_power() from
3128          * .pin_eld_notify(). On GLK this will deadlock in i915 due
3129          * to the audio vs. CDCLK workaround.
3130          */
3131         return intel_hsw_common_init(codec, 0x0b, NULL, 0, 3, false);
3132 }
3133
3134 static int patch_i915_icl_hdmi(struct hda_codec *codec)
3135 {
3136         /*
3137          * pin to port mapping table where the value indicate the pin number and
3138          * the index indicate the port number.
3139          */
3140         static const int map[] = {0x0, 0x4, 0x6, 0x8, 0xa, 0xb};
3141
3142         return intel_hsw_common_init(codec, 0x02, map, ARRAY_SIZE(map), 3,
3143                                      enable_silent_stream);
3144 }
3145
3146 static int patch_i915_tgl_hdmi(struct hda_codec *codec)
3147 {
3148         /*
3149          * pin to port mapping table where the value indicate the pin number and
3150          * the index indicate the port number.
3151          */
3152         static const int map[] = {0x4, 0x6, 0x8, 0xa, 0xb, 0xc, 0xd, 0xe, 0xf};
3153
3154         return intel_hsw_common_init(codec, 0x02, map, ARRAY_SIZE(map), 4,
3155                                      enable_silent_stream);
3156 }
3157
3158 static int patch_i915_adlp_hdmi(struct hda_codec *codec)
3159 {
3160         struct hdmi_spec *spec;
3161         int res;
3162
3163         res = patch_i915_tgl_hdmi(codec);
3164         if (!res) {
3165                 spec = codec->spec;
3166
3167                 if (spec->silent_stream_type) {
3168                         spec->silent_stream_type = SILENT_STREAM_KAE;
3169
3170 #ifdef CONFIG_PM
3171                         codec->patch_ops.resume = i915_adlp_hdmi_resume;
3172                         codec->patch_ops.suspend = i915_adlp_hdmi_suspend;
3173 #endif
3174                 }
3175         }
3176
3177         return res;
3178 }
3179
3180 /* Intel Baytrail and Braswell; with eld notifier */
3181 static int patch_i915_byt_hdmi(struct hda_codec *codec)
3182 {
3183         struct hdmi_spec *spec;
3184         int err;
3185
3186         err = alloc_intel_hdmi(codec);
3187         if (err < 0)
3188                 return err;
3189         spec = codec->spec;
3190
3191         /* For Valleyview/Cherryview, only the display codec is in the display
3192          * power well and can use link_power ops to request/release the power.
3193          */
3194         codec->display_power_control = 1;
3195
3196         codec->depop_delay = 0;
3197         codec->auto_runtime_pm = 1;
3198
3199         spec->ops.pin_cvt_fixup = i915_pin_cvt_fixup;
3200
3201         return parse_intel_hdmi(codec);
3202 }
3203
3204 /* Intel IronLake, SandyBridge and IvyBridge; with eld notifier */
3205 static int patch_i915_cpt_hdmi(struct hda_codec *codec)
3206 {
3207         int err;
3208
3209         err = alloc_intel_hdmi(codec);
3210         if (err < 0)
3211                 return err;
3212         return parse_intel_hdmi(codec);
3213 }
3214
3215 /*
3216  * Shared non-generic implementations
3217  */
3218
3219 static int simple_playback_build_pcms(struct hda_codec *codec)
3220 {
3221         struct hdmi_spec *spec = codec->spec;
3222         struct hda_pcm *info;
3223         unsigned int chans;
3224         struct hda_pcm_stream *pstr;
3225         struct hdmi_spec_per_cvt *per_cvt;
3226
3227         per_cvt = get_cvt(spec, 0);
3228         chans = get_wcaps(codec, per_cvt->cvt_nid);
3229         chans = get_wcaps_channels(chans);
3230
3231         info = snd_hda_codec_pcm_new(codec, "HDMI 0");
3232         if (!info)
3233                 return -ENOMEM;
3234         spec->pcm_rec[0].pcm = info;
3235         info->pcm_type = HDA_PCM_TYPE_HDMI;
3236         pstr = &info->stream[SNDRV_PCM_STREAM_PLAYBACK];
3237         *pstr = spec->pcm_playback;
3238         pstr->nid = per_cvt->cvt_nid;
3239         if (pstr->channels_max <= 2 && chans && chans <= 16)
3240                 pstr->channels_max = chans;
3241
3242         return 0;
3243 }
3244
3245 /* unsolicited event for jack sensing */
3246 static void simple_hdmi_unsol_event(struct hda_codec *codec,
3247                                     unsigned int res)
3248 {
3249         snd_hda_jack_set_dirty_all(codec);
3250         snd_hda_jack_report_sync(codec);
3251 }
3252
3253 /* generic_hdmi_build_jack can be used for simple_hdmi, too,
3254  * as long as spec->pins[] is set correctly
3255  */
3256 #define simple_hdmi_build_jack  generic_hdmi_build_jack
3257
3258 static int simple_playback_build_controls(struct hda_codec *codec)
3259 {
3260         struct hdmi_spec *spec = codec->spec;
3261         struct hdmi_spec_per_cvt *per_cvt;
3262         int err;
3263
3264         per_cvt = get_cvt(spec, 0);
3265         err = snd_hda_create_dig_out_ctls(codec, per_cvt->cvt_nid,
3266                                           per_cvt->cvt_nid,
3267                                           HDA_PCM_TYPE_HDMI);
3268         if (err < 0)
3269                 return err;
3270         return simple_hdmi_build_jack(codec, 0);
3271 }
3272
3273 static int simple_playback_init(struct hda_codec *codec)
3274 {
3275         struct hdmi_spec *spec = codec->spec;
3276         struct hdmi_spec_per_pin *per_pin = get_pin(spec, 0);
3277         hda_nid_t pin = per_pin->pin_nid;
3278
3279         snd_hda_codec_write(codec, pin, 0,
3280                             AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_OUT);
3281         /* some codecs require to unmute the pin */
3282         if (get_wcaps(codec, pin) & AC_WCAP_OUT_AMP)
3283                 snd_hda_codec_write(codec, pin, 0, AC_VERB_SET_AMP_GAIN_MUTE,
3284                                     AMP_OUT_UNMUTE);
3285         snd_hda_jack_detect_enable(codec, pin, per_pin->dev_id);
3286         return 0;
3287 }
3288
3289 static void simple_playback_free(struct hda_codec *codec)
3290 {
3291         struct hdmi_spec *spec = codec->spec;
3292
3293         hdmi_array_free(spec);
3294         kfree(spec);
3295 }
3296
3297 /*
3298  * Nvidia specific implementations
3299  */
3300
3301 #define Nv_VERB_SET_Channel_Allocation          0xF79
3302 #define Nv_VERB_SET_Info_Frame_Checksum         0xF7A
3303 #define Nv_VERB_SET_Audio_Protection_On         0xF98
3304 #define Nv_VERB_SET_Audio_Protection_Off        0xF99
3305
3306 #define nvhdmi_master_con_nid_7x        0x04
3307 #define nvhdmi_master_pin_nid_7x        0x05
3308
3309 static const hda_nid_t nvhdmi_con_nids_7x[4] = {
3310         /*front, rear, clfe, rear_surr */
3311         0x6, 0x8, 0xa, 0xc,
3312 };
3313
3314 static const struct hda_verb nvhdmi_basic_init_7x_2ch[] = {
3315         /* set audio protect on */
3316         { 0x1, Nv_VERB_SET_Audio_Protection_On, 0x1},
3317         /* enable digital output on pin widget */
3318         { 0x5, AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_OUT | 0x5 },
3319         {} /* terminator */
3320 };
3321
3322 static const struct hda_verb nvhdmi_basic_init_7x_8ch[] = {
3323         /* set audio protect on */
3324         { 0x1, Nv_VERB_SET_Audio_Protection_On, 0x1},
3325         /* enable digital output on pin widget */
3326         { 0x5, AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_OUT | 0x5 },
3327         { 0x7, AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_OUT | 0x5 },
3328         { 0x9, AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_OUT | 0x5 },
3329         { 0xb, AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_OUT | 0x5 },
3330         { 0xd, AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_OUT | 0x5 },
3331         {} /* terminator */
3332 };
3333
3334 #ifdef LIMITED_RATE_FMT_SUPPORT
3335 /* support only the safe format and rate */
3336 #define SUPPORTED_RATES         SNDRV_PCM_RATE_48000
3337 #define SUPPORTED_MAXBPS        16
3338 #define SUPPORTED_FORMATS       SNDRV_PCM_FMTBIT_S16_LE
3339 #else
3340 /* support all rates and formats */
3341 #define SUPPORTED_RATES \
3342         (SNDRV_PCM_RATE_32000 | SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_48000 |\
3343         SNDRV_PCM_RATE_88200 | SNDRV_PCM_RATE_96000 | SNDRV_PCM_RATE_176400 |\
3344          SNDRV_PCM_RATE_192000)
3345 #define SUPPORTED_MAXBPS        24
3346 #define SUPPORTED_FORMATS \
3347         (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S32_LE)
3348 #endif
3349
3350 static int nvhdmi_7x_init_2ch(struct hda_codec *codec)
3351 {
3352         snd_hda_sequence_write(codec, nvhdmi_basic_init_7x_2ch);
3353         return 0;
3354 }
3355
3356 static int nvhdmi_7x_init_8ch(struct hda_codec *codec)
3357 {
3358         snd_hda_sequence_write(codec, nvhdmi_basic_init_7x_8ch);
3359         return 0;
3360 }
3361
3362 static const unsigned int channels_2_6_8[] = {
3363         2, 6, 8
3364 };
3365
3366 static const unsigned int channels_2_8[] = {
3367         2, 8
3368 };
3369
3370 static const struct snd_pcm_hw_constraint_list hw_constraints_2_6_8_channels = {
3371         .count = ARRAY_SIZE(channels_2_6_8),
3372         .list = channels_2_6_8,
3373         .mask = 0,
3374 };
3375
3376 static const struct snd_pcm_hw_constraint_list hw_constraints_2_8_channels = {
3377         .count = ARRAY_SIZE(channels_2_8),
3378         .list = channels_2_8,
3379         .mask = 0,
3380 };
3381
3382 static int simple_playback_pcm_open(struct hda_pcm_stream *hinfo,
3383                                     struct hda_codec *codec,
3384                                     struct snd_pcm_substream *substream)
3385 {
3386         struct hdmi_spec *spec = codec->spec;
3387         const struct snd_pcm_hw_constraint_list *hw_constraints_channels = NULL;
3388
3389         switch (codec->preset->vendor_id) {
3390         case 0x10de0002:
3391         case 0x10de0003:
3392         case 0x10de0005:
3393         case 0x10de0006:
3394                 hw_constraints_channels = &hw_constraints_2_8_channels;
3395                 break;
3396         case 0x10de0007:
3397                 hw_constraints_channels = &hw_constraints_2_6_8_channels;
3398                 break;
3399         default:
3400                 break;
3401         }
3402
3403         if (hw_constraints_channels != NULL) {
3404                 snd_pcm_hw_constraint_list(substream->runtime, 0,
3405                                 SNDRV_PCM_HW_PARAM_CHANNELS,
3406                                 hw_constraints_channels);
3407         } else {
3408                 snd_pcm_hw_constraint_step(substream->runtime, 0,
3409                                            SNDRV_PCM_HW_PARAM_CHANNELS, 2);
3410         }
3411
3412         return snd_hda_multi_out_dig_open(codec, &spec->multiout);
3413 }
3414
3415 static int simple_playback_pcm_close(struct hda_pcm_stream *hinfo,
3416                                      struct hda_codec *codec,
3417                                      struct snd_pcm_substream *substream)
3418 {
3419         struct hdmi_spec *spec = codec->spec;
3420         return snd_hda_multi_out_dig_close(codec, &spec->multiout);
3421 }
3422
3423 static int simple_playback_pcm_prepare(struct hda_pcm_stream *hinfo,
3424                                        struct hda_codec *codec,
3425                                        unsigned int stream_tag,
3426                                        unsigned int format,
3427                                        struct snd_pcm_substream *substream)
3428 {
3429         struct hdmi_spec *spec = codec->spec;
3430         return snd_hda_multi_out_dig_prepare(codec, &spec->multiout,
3431                                              stream_tag, format, substream);
3432 }
3433
3434 static const struct hda_pcm_stream simple_pcm_playback = {
3435         .substreams = 1,
3436         .channels_min = 2,
3437         .channels_max = 2,
3438         .ops = {
3439                 .open = simple_playback_pcm_open,
3440                 .close = simple_playback_pcm_close,
3441                 .prepare = simple_playback_pcm_prepare
3442         },
3443 };
3444
3445 static const struct hda_codec_ops simple_hdmi_patch_ops = {
3446         .build_controls = simple_playback_build_controls,
3447         .build_pcms = simple_playback_build_pcms,
3448         .init = simple_playback_init,
3449         .free = simple_playback_free,
3450         .unsol_event = simple_hdmi_unsol_event,
3451 };
3452
3453 static int patch_simple_hdmi(struct hda_codec *codec,
3454                              hda_nid_t cvt_nid, hda_nid_t pin_nid)
3455 {
3456         struct hdmi_spec *spec;
3457         struct hdmi_spec_per_cvt *per_cvt;
3458         struct hdmi_spec_per_pin *per_pin;
3459
3460         spec = kzalloc(sizeof(*spec), GFP_KERNEL);
3461         if (!spec)
3462                 return -ENOMEM;
3463
3464         spec->codec = codec;
3465         codec->spec = spec;
3466         hdmi_array_init(spec, 1);
3467
3468         spec->multiout.num_dacs = 0;  /* no analog */
3469         spec->multiout.max_channels = 2;
3470         spec->multiout.dig_out_nid = cvt_nid;
3471         spec->num_cvts = 1;
3472         spec->num_pins = 1;
3473         per_pin = snd_array_new(&spec->pins);
3474         per_cvt = snd_array_new(&spec->cvts);
3475         if (!per_pin || !per_cvt) {
3476                 simple_playback_free(codec);
3477                 return -ENOMEM;
3478         }
3479         per_cvt->cvt_nid = cvt_nid;
3480         per_pin->pin_nid = pin_nid;
3481         spec->pcm_playback = simple_pcm_playback;
3482
3483         codec->patch_ops = simple_hdmi_patch_ops;
3484
3485         return 0;
3486 }
3487
3488 static void nvhdmi_8ch_7x_set_info_frame_parameters(struct hda_codec *codec,
3489                                                     int channels)
3490 {
3491         unsigned int chanmask;
3492         int chan = channels ? (channels - 1) : 1;
3493
3494         switch (channels) {
3495         default:
3496         case 0:
3497         case 2:
3498                 chanmask = 0x00;
3499                 break;
3500         case 4:
3501                 chanmask = 0x08;
3502                 break;
3503         case 6:
3504                 chanmask = 0x0b;
3505                 break;
3506         case 8:
3507                 chanmask = 0x13;
3508                 break;
3509         }
3510
3511         /* Set the audio infoframe channel allocation and checksum fields.  The
3512          * channel count is computed implicitly by the hardware. */
3513         snd_hda_codec_write(codec, 0x1, 0,
3514                         Nv_VERB_SET_Channel_Allocation, chanmask);
3515
3516         snd_hda_codec_write(codec, 0x1, 0,
3517                         Nv_VERB_SET_Info_Frame_Checksum,
3518                         (0x71 - chan - chanmask));
3519 }
3520
3521 static int nvhdmi_8ch_7x_pcm_close(struct hda_pcm_stream *hinfo,
3522                                    struct hda_codec *codec,
3523                                    struct snd_pcm_substream *substream)
3524 {
3525         struct hdmi_spec *spec = codec->spec;
3526         int i;
3527
3528         snd_hda_codec_write(codec, nvhdmi_master_con_nid_7x,
3529                         0, AC_VERB_SET_CHANNEL_STREAMID, 0);
3530         for (i = 0; i < 4; i++) {
3531                 /* set the stream id */
3532                 snd_hda_codec_write(codec, nvhdmi_con_nids_7x[i], 0,
3533                                 AC_VERB_SET_CHANNEL_STREAMID, 0);
3534                 /* set the stream format */
3535                 snd_hda_codec_write(codec, nvhdmi_con_nids_7x[i], 0,
3536                                 AC_VERB_SET_STREAM_FORMAT, 0);
3537         }
3538
3539         /* The audio hardware sends a channel count of 0x7 (8ch) when all the
3540          * streams are disabled. */
3541         nvhdmi_8ch_7x_set_info_frame_parameters(codec, 8);
3542
3543         return snd_hda_multi_out_dig_close(codec, &spec->multiout);
3544 }
3545
3546 static int nvhdmi_8ch_7x_pcm_prepare(struct hda_pcm_stream *hinfo,
3547                                      struct hda_codec *codec,
3548                                      unsigned int stream_tag,
3549                                      unsigned int format,
3550                                      struct snd_pcm_substream *substream)
3551 {
3552         int chs;
3553         unsigned int dataDCC2, channel_id;
3554         int i;
3555         struct hdmi_spec *spec = codec->spec;
3556         struct hda_spdif_out *spdif;
3557         struct hdmi_spec_per_cvt *per_cvt;
3558
3559         mutex_lock(&codec->spdif_mutex);
3560         per_cvt = get_cvt(spec, 0);
3561         spdif = snd_hda_spdif_out_of_nid(codec, per_cvt->cvt_nid);
3562
3563         chs = substream->runtime->channels;
3564
3565         dataDCC2 = 0x2;
3566
3567         /* turn off SPDIF once; otherwise the IEC958 bits won't be updated */
3568         if (codec->spdif_status_reset && (spdif->ctls & AC_DIG1_ENABLE))
3569                 snd_hda_codec_write(codec,
3570                                 nvhdmi_master_con_nid_7x,
3571                                 0,
3572                                 AC_VERB_SET_DIGI_CONVERT_1,
3573                                 spdif->ctls & ~AC_DIG1_ENABLE & 0xff);
3574
3575         /* set the stream id */
3576         snd_hda_codec_write(codec, nvhdmi_master_con_nid_7x, 0,
3577                         AC_VERB_SET_CHANNEL_STREAMID, (stream_tag << 4) | 0x0);
3578
3579         /* set the stream format */
3580         snd_hda_codec_write(codec, nvhdmi_master_con_nid_7x, 0,
3581                         AC_VERB_SET_STREAM_FORMAT, format);
3582
3583         /* turn on again (if needed) */
3584         /* enable and set the channel status audio/data flag */
3585         if (codec->spdif_status_reset && (spdif->ctls & AC_DIG1_ENABLE)) {
3586                 snd_hda_codec_write(codec,
3587                                 nvhdmi_master_con_nid_7x,
3588                                 0,
3589                                 AC_VERB_SET_DIGI_CONVERT_1,
3590                                 spdif->ctls & 0xff);
3591                 snd_hda_codec_write(codec,
3592                                 nvhdmi_master_con_nid_7x,
3593                                 0,
3594                                 AC_VERB_SET_DIGI_CONVERT_2, dataDCC2);
3595         }
3596
3597         for (i = 0; i < 4; i++) {
3598                 if (chs == 2)
3599                         channel_id = 0;
3600                 else
3601                         channel_id = i * 2;
3602
3603                 /* turn off SPDIF once;
3604                  *otherwise the IEC958 bits won't be updated
3605                  */
3606                 if (codec->spdif_status_reset &&
3607                 (spdif->ctls & AC_DIG1_ENABLE))
3608                         snd_hda_codec_write(codec,
3609                                 nvhdmi_con_nids_7x[i],
3610                                 0,
3611                                 AC_VERB_SET_DIGI_CONVERT_1,
3612                                 spdif->ctls & ~AC_DIG1_ENABLE & 0xff);
3613                 /* set the stream id */
3614                 snd_hda_codec_write(codec,
3615                                 nvhdmi_con_nids_7x[i],
3616                                 0,
3617                                 AC_VERB_SET_CHANNEL_STREAMID,
3618                                 (stream_tag << 4) | channel_id);
3619                 /* set the stream format */
3620                 snd_hda_codec_write(codec,
3621                                 nvhdmi_con_nids_7x[i],
3622                                 0,
3623                                 AC_VERB_SET_STREAM_FORMAT,
3624                                 format);
3625                 /* turn on again (if needed) */
3626                 /* enable and set the channel status audio/data flag */
3627                 if (codec->spdif_status_reset &&
3628                 (spdif->ctls & AC_DIG1_ENABLE)) {
3629                         snd_hda_codec_write(codec,
3630                                         nvhdmi_con_nids_7x[i],
3631                                         0,
3632                                         AC_VERB_SET_DIGI_CONVERT_1,
3633                                         spdif->ctls & 0xff);
3634                         snd_hda_codec_write(codec,
3635                                         nvhdmi_con_nids_7x[i],
3636                                         0,
3637                                         AC_VERB_SET_DIGI_CONVERT_2, dataDCC2);
3638                 }
3639         }
3640
3641         nvhdmi_8ch_7x_set_info_frame_parameters(codec, chs);
3642
3643         mutex_unlock(&codec->spdif_mutex);
3644         return 0;
3645 }
3646
3647 static const struct hda_pcm_stream nvhdmi_pcm_playback_8ch_7x = {
3648         .substreams = 1,
3649         .channels_min = 2,
3650         .channels_max = 8,
3651         .nid = nvhdmi_master_con_nid_7x,
3652         .rates = SUPPORTED_RATES,
3653         .maxbps = SUPPORTED_MAXBPS,
3654         .formats = SUPPORTED_FORMATS,
3655         .ops = {
3656                 .open = simple_playback_pcm_open,
3657                 .close = nvhdmi_8ch_7x_pcm_close,
3658                 .prepare = nvhdmi_8ch_7x_pcm_prepare
3659         },
3660 };
3661
3662 static int patch_nvhdmi_2ch(struct hda_codec *codec)
3663 {
3664         struct hdmi_spec *spec;
3665         int err = patch_simple_hdmi(codec, nvhdmi_master_con_nid_7x,
3666                                     nvhdmi_master_pin_nid_7x);
3667         if (err < 0)
3668                 return err;
3669
3670         codec->patch_ops.init = nvhdmi_7x_init_2ch;
3671         /* override the PCM rates, etc, as the codec doesn't give full list */
3672         spec = codec->spec;
3673         spec->pcm_playback.rates = SUPPORTED_RATES;
3674         spec->pcm_playback.maxbps = SUPPORTED_MAXBPS;
3675         spec->pcm_playback.formats = SUPPORTED_FORMATS;
3676         spec->nv_dp_workaround = true;
3677         return 0;
3678 }
3679
3680 static int nvhdmi_7x_8ch_build_pcms(struct hda_codec *codec)
3681 {
3682         struct hdmi_spec *spec = codec->spec;
3683         int err = simple_playback_build_pcms(codec);
3684         if (!err) {
3685                 struct hda_pcm *info = get_pcm_rec(spec, 0);
3686                 info->own_chmap = true;
3687         }
3688         return err;
3689 }
3690
3691 static int nvhdmi_7x_8ch_build_controls(struct hda_codec *codec)
3692 {
3693         struct hdmi_spec *spec = codec->spec;
3694         struct hda_pcm *info;
3695         struct snd_pcm_chmap *chmap;
3696         int err;
3697
3698         err = simple_playback_build_controls(codec);
3699         if (err < 0)
3700                 return err;
3701
3702         /* add channel maps */
3703         info = get_pcm_rec(spec, 0);
3704         err = snd_pcm_add_chmap_ctls(info->pcm,
3705                                      SNDRV_PCM_STREAM_PLAYBACK,
3706                                      snd_pcm_alt_chmaps, 8, 0, &chmap);
3707         if (err < 0)
3708                 return err;
3709         switch (codec->preset->vendor_id) {
3710         case 0x10de0002:
3711         case 0x10de0003:
3712         case 0x10de0005:
3713         case 0x10de0006:
3714                 chmap->channel_mask = (1U << 2) | (1U << 8);
3715                 break;
3716         case 0x10de0007:
3717                 chmap->channel_mask = (1U << 2) | (1U << 6) | (1U << 8);
3718         }
3719         return 0;
3720 }
3721
3722 static int patch_nvhdmi_8ch_7x(struct hda_codec *codec)
3723 {
3724         struct hdmi_spec *spec;
3725         int err = patch_nvhdmi_2ch(codec);
3726         if (err < 0)
3727                 return err;
3728         spec = codec->spec;
3729         spec->multiout.max_channels = 8;
3730         spec->pcm_playback = nvhdmi_pcm_playback_8ch_7x;
3731         codec->patch_ops.init = nvhdmi_7x_init_8ch;
3732         codec->patch_ops.build_pcms = nvhdmi_7x_8ch_build_pcms;
3733         codec->patch_ops.build_controls = nvhdmi_7x_8ch_build_controls;
3734
3735         /* Initialize the audio infoframe channel mask and checksum to something
3736          * valid */
3737         nvhdmi_8ch_7x_set_info_frame_parameters(codec, 8);
3738
3739         return 0;
3740 }
3741
3742 /*
3743  * NVIDIA codecs ignore ASP mapping for 2ch - confirmed on:
3744  * - 0x10de0015
3745  * - 0x10de0040
3746  */
3747 static int nvhdmi_chmap_cea_alloc_validate_get_type(struct hdac_chmap *chmap,
3748                 struct hdac_cea_channel_speaker_allocation *cap, int channels)
3749 {
3750         if (cap->ca_index == 0x00 && channels == 2)
3751                 return SNDRV_CTL_TLVT_CHMAP_FIXED;
3752
3753         /* If the speaker allocation matches the channel count, it is OK. */
3754         if (cap->channels != channels)
3755                 return -1;
3756
3757         /* all channels are remappable freely */
3758         return SNDRV_CTL_TLVT_CHMAP_VAR;
3759 }
3760
3761 static int nvhdmi_chmap_validate(struct hdac_chmap *chmap,
3762                 int ca, int chs, unsigned char *map)
3763 {
3764         if (ca == 0x00 && (map[0] != SNDRV_CHMAP_FL || map[1] != SNDRV_CHMAP_FR))
3765                 return -EINVAL;
3766
3767         return 0;
3768 }
3769
3770 /* map from pin NID to port; port is 0-based */
3771 /* for Nvidia: assume widget NID starting from 4, with step 1 (4, 5, 6, ...) */
3772 static int nvhdmi_pin2port(void *audio_ptr, int pin_nid)
3773 {
3774         return pin_nid - 4;
3775 }
3776
3777 /* reverse-map from port to pin NID: see above */
3778 static int nvhdmi_port2pin(struct hda_codec *codec, int port)
3779 {
3780         return port + 4;
3781 }
3782
3783 static const struct drm_audio_component_audio_ops nvhdmi_audio_ops = {
3784         .pin2port = nvhdmi_pin2port,
3785         .pin_eld_notify = generic_acomp_pin_eld_notify,
3786         .master_bind = generic_acomp_master_bind,
3787         .master_unbind = generic_acomp_master_unbind,
3788 };
3789
3790 static int patch_nvhdmi(struct hda_codec *codec)
3791 {
3792         struct hdmi_spec *spec;
3793         int err;
3794
3795         err = alloc_generic_hdmi(codec);
3796         if (err < 0)
3797                 return err;
3798         codec->dp_mst = true;
3799
3800         spec = codec->spec;
3801
3802         err = hdmi_parse_codec(codec);
3803         if (err < 0) {
3804                 generic_spec_free(codec);
3805                 return err;
3806         }
3807
3808         generic_hdmi_init_per_pins(codec);
3809
3810         spec->dyn_pin_out = true;
3811
3812         spec->chmap.ops.chmap_cea_alloc_validate_get_type =
3813                 nvhdmi_chmap_cea_alloc_validate_get_type;
3814         spec->chmap.ops.chmap_validate = nvhdmi_chmap_validate;
3815         spec->nv_dp_workaround = true;
3816
3817         codec->link_down_at_suspend = 1;
3818
3819         generic_acomp_init(codec, &nvhdmi_audio_ops, nvhdmi_port2pin);
3820
3821         return 0;
3822 }
3823
3824 static int patch_nvhdmi_legacy(struct hda_codec *codec)
3825 {
3826         struct hdmi_spec *spec;
3827         int err;
3828
3829         err = patch_generic_hdmi(codec);
3830         if (err)
3831                 return err;
3832
3833         spec = codec->spec;
3834         spec->dyn_pin_out = true;
3835
3836         spec->chmap.ops.chmap_cea_alloc_validate_get_type =
3837                 nvhdmi_chmap_cea_alloc_validate_get_type;
3838         spec->chmap.ops.chmap_validate = nvhdmi_chmap_validate;
3839         spec->nv_dp_workaround = true;
3840
3841         codec->link_down_at_suspend = 1;
3842
3843         return 0;
3844 }
3845
3846 /*
3847  * The HDA codec on NVIDIA Tegra contains two scratch registers that are
3848  * accessed using vendor-defined verbs. These registers can be used for
3849  * interoperability between the HDA and HDMI drivers.
3850  */
3851
3852 /* Audio Function Group node */
3853 #define NVIDIA_AFG_NID 0x01
3854
3855 /*
3856  * The SCRATCH0 register is used to notify the HDMI codec of changes in audio
3857  * format. On Tegra, bit 31 is used as a trigger that causes an interrupt to
3858  * be raised in the HDMI codec. The remainder of the bits is arbitrary. This
3859  * implementation stores the HDA format (see AC_FMT_*) in bits [15:0] and an
3860  * additional bit (at position 30) to signal the validity of the format.
3861  *
3862  * | 31      | 30    | 29  16 | 15   0 |
3863  * +---------+-------+--------+--------+
3864  * | TRIGGER | VALID | UNUSED | FORMAT |
3865  * +-----------------------------------|
3866  *
3867  * Note that for the trigger bit to take effect it needs to change value
3868  * (i.e. it needs to be toggled). The trigger bit is not applicable from
3869  * TEGRA234 chip onwards, as new verb id 0xf80 will be used for interrupt
3870  * trigger to hdmi.
3871  */
3872 #define NVIDIA_SET_HOST_INTR            0xf80
3873 #define NVIDIA_GET_SCRATCH0             0xfa6
3874 #define NVIDIA_SET_SCRATCH0_BYTE0       0xfa7
3875 #define NVIDIA_SET_SCRATCH0_BYTE1       0xfa8
3876 #define NVIDIA_SET_SCRATCH0_BYTE2       0xfa9
3877 #define NVIDIA_SET_SCRATCH0_BYTE3       0xfaa
3878 #define NVIDIA_SCRATCH_TRIGGER (1 << 7)
3879 #define NVIDIA_SCRATCH_VALID   (1 << 6)
3880
3881 #define NVIDIA_GET_SCRATCH1             0xfab
3882 #define NVIDIA_SET_SCRATCH1_BYTE0       0xfac
3883 #define NVIDIA_SET_SCRATCH1_BYTE1       0xfad
3884 #define NVIDIA_SET_SCRATCH1_BYTE2       0xfae
3885 #define NVIDIA_SET_SCRATCH1_BYTE3       0xfaf
3886
3887 /*
3888  * The format parameter is the HDA audio format (see AC_FMT_*). If set to 0,
3889  * the format is invalidated so that the HDMI codec can be disabled.
3890  */
3891 static void tegra_hdmi_set_format(struct hda_codec *codec,
3892                                   hda_nid_t cvt_nid,
3893                                   unsigned int format)
3894 {
3895         unsigned int value;
3896         unsigned int nid = NVIDIA_AFG_NID;
3897         struct hdmi_spec *spec = codec->spec;
3898
3899         /*
3900          * Tegra HDA codec design from TEGRA234 chip onwards support DP MST.
3901          * This resulted in moving scratch registers from audio function
3902          * group to converter widget context. So CVT NID should be used for
3903          * scratch register read/write for DP MST supported Tegra HDA codec.
3904          */
3905         if (codec->dp_mst)
3906                 nid = cvt_nid;
3907
3908         /* bits [31:30] contain the trigger and valid bits */
3909         value = snd_hda_codec_read(codec, nid, 0,
3910                                    NVIDIA_GET_SCRATCH0, 0);
3911         value = (value >> 24) & 0xff;
3912
3913         /* bits [15:0] are used to store the HDA format */
3914         snd_hda_codec_write(codec, nid, 0,
3915                             NVIDIA_SET_SCRATCH0_BYTE0,
3916                             (format >> 0) & 0xff);
3917         snd_hda_codec_write(codec, nid, 0,
3918                             NVIDIA_SET_SCRATCH0_BYTE1,
3919                             (format >> 8) & 0xff);
3920
3921         /* bits [16:24] are unused */
3922         snd_hda_codec_write(codec, nid, 0,
3923                             NVIDIA_SET_SCRATCH0_BYTE2, 0);
3924
3925         /*
3926          * Bit 30 signals that the data is valid and hence that HDMI audio can
3927          * be enabled.
3928          */
3929         if (format == 0)
3930                 value &= ~NVIDIA_SCRATCH_VALID;
3931         else
3932                 value |= NVIDIA_SCRATCH_VALID;
3933
3934         if (spec->hdmi_intr_trig_ctrl) {
3935                 /*
3936                  * For Tegra HDA Codec design from TEGRA234 onwards, the
3937                  * Interrupt to hdmi driver is triggered by writing
3938                  * non-zero values to verb 0xF80 instead of 31st bit of
3939                  * scratch register.
3940                  */
3941                 snd_hda_codec_write(codec, nid, 0,
3942                                 NVIDIA_SET_SCRATCH0_BYTE3, value);
3943                 snd_hda_codec_write(codec, nid, 0,
3944                                 NVIDIA_SET_HOST_INTR, 0x1);
3945         } else {
3946                 /*
3947                  * Whenever the 31st trigger bit is toggled, an interrupt is raised
3948                  * in the HDMI codec. The HDMI driver will use that as trigger
3949                  * to update its configuration.
3950                  */
3951                 value ^= NVIDIA_SCRATCH_TRIGGER;
3952
3953                 snd_hda_codec_write(codec, nid, 0,
3954                                 NVIDIA_SET_SCRATCH0_BYTE3, value);
3955         }
3956 }
3957
3958 static int tegra_hdmi_pcm_prepare(struct hda_pcm_stream *hinfo,
3959                                   struct hda_codec *codec,
3960                                   unsigned int stream_tag,
3961                                   unsigned int format,
3962                                   struct snd_pcm_substream *substream)
3963 {
3964         int err;
3965
3966         err = generic_hdmi_playback_pcm_prepare(hinfo, codec, stream_tag,
3967                                                 format, substream);
3968         if (err < 0)
3969                 return err;
3970
3971         /* notify the HDMI codec of the format change */
3972         tegra_hdmi_set_format(codec, hinfo->nid, format);
3973
3974         return 0;
3975 }
3976
3977 static int tegra_hdmi_pcm_cleanup(struct hda_pcm_stream *hinfo,
3978                                   struct hda_codec *codec,
3979                                   struct snd_pcm_substream *substream)
3980 {
3981         /* invalidate the format in the HDMI codec */
3982         tegra_hdmi_set_format(codec, hinfo->nid, 0);
3983
3984         return generic_hdmi_playback_pcm_cleanup(hinfo, codec, substream);
3985 }
3986
3987 static struct hda_pcm *hda_find_pcm_by_type(struct hda_codec *codec, int type)
3988 {
3989         struct hdmi_spec *spec = codec->spec;
3990         unsigned int i;
3991
3992         for (i = 0; i < spec->num_pins; i++) {
3993                 struct hda_pcm *pcm = get_pcm_rec(spec, i);
3994
3995                 if (pcm->pcm_type == type)
3996                         return pcm;
3997         }
3998
3999         return NULL;
4000 }
4001
4002 static int tegra_hdmi_build_pcms(struct hda_codec *codec)
4003 {
4004         struct hda_pcm_stream *stream;
4005         struct hda_pcm *pcm;
4006         int err;
4007
4008         err = generic_hdmi_build_pcms(codec);
4009         if (err < 0)
4010                 return err;
4011
4012         pcm = hda_find_pcm_by_type(codec, HDA_PCM_TYPE_HDMI);
4013         if (!pcm)
4014                 return -ENODEV;
4015
4016         /*
4017          * Override ->prepare() and ->cleanup() operations to notify the HDMI
4018          * codec about format changes.
4019          */
4020         stream = &pcm->stream[SNDRV_PCM_STREAM_PLAYBACK];
4021         stream->ops.prepare = tegra_hdmi_pcm_prepare;
4022         stream->ops.cleanup = tegra_hdmi_pcm_cleanup;
4023
4024         return 0;
4025 }
4026
4027 static int tegra_hdmi_init(struct hda_codec *codec)
4028 {
4029         struct hdmi_spec *spec = codec->spec;
4030         int i, err;
4031
4032         err = hdmi_parse_codec(codec);
4033         if (err < 0) {
4034                 generic_spec_free(codec);
4035                 return err;
4036         }
4037
4038         for (i = 0; i < spec->num_cvts; i++)
4039                 snd_hda_codec_write(codec, spec->cvt_nids[i], 0,
4040                                         AC_VERB_SET_DIGI_CONVERT_1,
4041                                         AC_DIG1_ENABLE);
4042
4043         generic_hdmi_init_per_pins(codec);
4044
4045         codec->depop_delay = 10;
4046         codec->patch_ops.build_pcms = tegra_hdmi_build_pcms;
4047         spec->chmap.ops.chmap_cea_alloc_validate_get_type =
4048                 nvhdmi_chmap_cea_alloc_validate_get_type;
4049         spec->chmap.ops.chmap_validate = nvhdmi_chmap_validate;
4050
4051         spec->chmap.ops.chmap_cea_alloc_validate_get_type =
4052                 nvhdmi_chmap_cea_alloc_validate_get_type;
4053         spec->chmap.ops.chmap_validate = nvhdmi_chmap_validate;
4054         spec->nv_dp_workaround = true;
4055
4056         return 0;
4057 }
4058
4059 static int patch_tegra_hdmi(struct hda_codec *codec)
4060 {
4061         int err;
4062
4063         err = alloc_generic_hdmi(codec);
4064         if (err < 0)
4065                 return err;
4066
4067         return tegra_hdmi_init(codec);
4068 }
4069
4070 static int patch_tegra234_hdmi(struct hda_codec *codec)
4071 {
4072         struct hdmi_spec *spec;
4073         int err;
4074
4075         err = alloc_generic_hdmi(codec);
4076         if (err < 0)
4077                 return err;
4078
4079         codec->dp_mst = true;
4080         spec = codec->spec;
4081         spec->dyn_pin_out = true;
4082         spec->hdmi_intr_trig_ctrl = true;
4083
4084         return tegra_hdmi_init(codec);
4085 }
4086
4087 /*
4088  * ATI/AMD-specific implementations
4089  */
4090
4091 #define is_amdhdmi_rev3_or_later(codec) \
4092         ((codec)->core.vendor_id == 0x1002aa01 && \
4093          ((codec)->core.revision_id & 0xff00) >= 0x0300)
4094 #define has_amd_full_remap_support(codec) is_amdhdmi_rev3_or_later(codec)
4095
4096 /* ATI/AMD specific HDA pin verbs, see the AMD HDA Verbs specification */
4097 #define ATI_VERB_SET_CHANNEL_ALLOCATION 0x771
4098 #define ATI_VERB_SET_DOWNMIX_INFO       0x772
4099 #define ATI_VERB_SET_MULTICHANNEL_01    0x777
4100 #define ATI_VERB_SET_MULTICHANNEL_23    0x778
4101 #define ATI_VERB_SET_MULTICHANNEL_45    0x779
4102 #define ATI_VERB_SET_MULTICHANNEL_67    0x77a
4103 #define ATI_VERB_SET_HBR_CONTROL        0x77c
4104 #define ATI_VERB_SET_MULTICHANNEL_1     0x785
4105 #define ATI_VERB_SET_MULTICHANNEL_3     0x786
4106 #define ATI_VERB_SET_MULTICHANNEL_5     0x787
4107 #define ATI_VERB_SET_MULTICHANNEL_7     0x788
4108 #define ATI_VERB_SET_MULTICHANNEL_MODE  0x789
4109 #define ATI_VERB_GET_CHANNEL_ALLOCATION 0xf71
4110 #define ATI_VERB_GET_DOWNMIX_INFO       0xf72
4111 #define ATI_VERB_GET_MULTICHANNEL_01    0xf77
4112 #define ATI_VERB_GET_MULTICHANNEL_23    0xf78
4113 #define ATI_VERB_GET_MULTICHANNEL_45    0xf79
4114 #define ATI_VERB_GET_MULTICHANNEL_67    0xf7a
4115 #define ATI_VERB_GET_HBR_CONTROL        0xf7c
4116 #define ATI_VERB_GET_MULTICHANNEL_1     0xf85
4117 #define ATI_VERB_GET_MULTICHANNEL_3     0xf86
4118 #define ATI_VERB_GET_MULTICHANNEL_5     0xf87
4119 #define ATI_VERB_GET_MULTICHANNEL_7     0xf88
4120 #define ATI_VERB_GET_MULTICHANNEL_MODE  0xf89
4121
4122 /* AMD specific HDA cvt verbs */
4123 #define ATI_VERB_SET_RAMP_RATE          0x770
4124 #define ATI_VERB_GET_RAMP_RATE          0xf70
4125
4126 #define ATI_OUT_ENABLE 0x1
4127
4128 #define ATI_MULTICHANNEL_MODE_PAIRED    0
4129 #define ATI_MULTICHANNEL_MODE_SINGLE    1
4130
4131 #define ATI_HBR_CAPABLE 0x01
4132 #define ATI_HBR_ENABLE 0x10
4133
4134 static int atihdmi_pin_get_eld(struct hda_codec *codec, hda_nid_t nid,
4135                                int dev_id, unsigned char *buf, int *eld_size)
4136 {
4137         WARN_ON(dev_id != 0);
4138         /* call hda_eld.c ATI/AMD-specific function */
4139         return snd_hdmi_get_eld_ati(codec, nid, buf, eld_size,
4140                                     is_amdhdmi_rev3_or_later(codec));
4141 }
4142
4143 static void atihdmi_pin_setup_infoframe(struct hda_codec *codec,
4144                                         hda_nid_t pin_nid, int dev_id, int ca,
4145                                         int active_channels, int conn_type)
4146 {
4147         WARN_ON(dev_id != 0);
4148         snd_hda_codec_write(codec, pin_nid, 0, ATI_VERB_SET_CHANNEL_ALLOCATION, ca);
4149 }
4150
4151 static int atihdmi_paired_swap_fc_lfe(int pos)
4152 {
4153         /*
4154          * ATI/AMD have automatic FC/LFE swap built-in
4155          * when in pairwise mapping mode.
4156          */
4157
4158         switch (pos) {
4159                 /* see channel_allocations[].speakers[] */
4160                 case 2: return 3;
4161                 case 3: return 2;
4162                 default: break;
4163         }
4164
4165         return pos;
4166 }
4167
4168 static int atihdmi_paired_chmap_validate(struct hdac_chmap *chmap,
4169                         int ca, int chs, unsigned char *map)
4170 {
4171         struct hdac_cea_channel_speaker_allocation *cap;
4172         int i, j;
4173
4174         /* check that only channel pairs need to be remapped on old pre-rev3 ATI/AMD */
4175
4176         cap = snd_hdac_get_ch_alloc_from_ca(ca);
4177         for (i = 0; i < chs; ++i) {
4178                 int mask = snd_hdac_chmap_to_spk_mask(map[i]);
4179                 bool ok = false;
4180                 bool companion_ok = false;
4181
4182                 if (!mask)
4183                         continue;
4184
4185                 for (j = 0 + i % 2; j < 8; j += 2) {
4186                         int chan_idx = 7 - atihdmi_paired_swap_fc_lfe(j);
4187                         if (cap->speakers[chan_idx] == mask) {
4188                                 /* channel is in a supported position */
4189                                 ok = true;
4190
4191                                 if (i % 2 == 0 && i + 1 < chs) {
4192                                         /* even channel, check the odd companion */
4193                                         int comp_chan_idx = 7 - atihdmi_paired_swap_fc_lfe(j + 1);
4194                                         int comp_mask_req = snd_hdac_chmap_to_spk_mask(map[i+1]);
4195                                         int comp_mask_act = cap->speakers[comp_chan_idx];
4196
4197                                         if (comp_mask_req == comp_mask_act)
4198                                                 companion_ok = true;
4199                                         else
4200                                                 return -EINVAL;
4201                                 }
4202                                 break;
4203                         }
4204                 }
4205
4206                 if (!ok)
4207                         return -EINVAL;
4208
4209                 if (companion_ok)
4210                         i++; /* companion channel already checked */
4211         }
4212
4213         return 0;
4214 }
4215
4216 static int atihdmi_pin_set_slot_channel(struct hdac_device *hdac,
4217                 hda_nid_t pin_nid, int hdmi_slot, int stream_channel)
4218 {
4219         struct hda_codec *codec = hdac_to_hda_codec(hdac);
4220         int verb;
4221         int ati_channel_setup = 0;
4222
4223         if (hdmi_slot > 7)
4224                 return -EINVAL;
4225
4226         if (!has_amd_full_remap_support(codec)) {
4227                 hdmi_slot = atihdmi_paired_swap_fc_lfe(hdmi_slot);
4228
4229                 /* In case this is an odd slot but without stream channel, do not
4230                  * disable the slot since the corresponding even slot could have a
4231                  * channel. In case neither have a channel, the slot pair will be
4232                  * disabled when this function is called for the even slot. */
4233                 if (hdmi_slot % 2 != 0 && stream_channel == 0xf)
4234                         return 0;
4235
4236                 hdmi_slot -= hdmi_slot % 2;
4237
4238                 if (stream_channel != 0xf)
4239                         stream_channel -= stream_channel % 2;
4240         }
4241
4242         verb = ATI_VERB_SET_MULTICHANNEL_01 + hdmi_slot/2 + (hdmi_slot % 2) * 0x00e;
4243
4244         /* ati_channel_setup format: [7..4] = stream_channel_id, [1] = mute, [0] = enable */
4245
4246         if (stream_channel != 0xf)
4247                 ati_channel_setup = (stream_channel << 4) | ATI_OUT_ENABLE;
4248
4249         return snd_hda_codec_write(codec, pin_nid, 0, verb, ati_channel_setup);
4250 }
4251
4252 static int atihdmi_pin_get_slot_channel(struct hdac_device *hdac,
4253                                 hda_nid_t pin_nid, int asp_slot)
4254 {
4255         struct hda_codec *codec = hdac_to_hda_codec(hdac);
4256         bool was_odd = false;
4257         int ati_asp_slot = asp_slot;
4258         int verb;
4259         int ati_channel_setup;
4260
4261         if (asp_slot > 7)
4262                 return -EINVAL;
4263
4264         if (!has_amd_full_remap_support(codec)) {
4265                 ati_asp_slot = atihdmi_paired_swap_fc_lfe(asp_slot);
4266                 if (ati_asp_slot % 2 != 0) {
4267                         ati_asp_slot -= 1;
4268                         was_odd = true;
4269                 }
4270         }
4271
4272         verb = ATI_VERB_GET_MULTICHANNEL_01 + ati_asp_slot/2 + (ati_asp_slot % 2) * 0x00e;
4273
4274         ati_channel_setup = snd_hda_codec_read(codec, pin_nid, 0, verb, 0);
4275
4276         if (!(ati_channel_setup & ATI_OUT_ENABLE))
4277                 return 0xf;
4278
4279         return ((ati_channel_setup & 0xf0) >> 4) + !!was_odd;
4280 }
4281
4282 static int atihdmi_paired_chmap_cea_alloc_validate_get_type(
4283                 struct hdac_chmap *chmap,
4284                 struct hdac_cea_channel_speaker_allocation *cap,
4285                 int channels)
4286 {
4287         int c;
4288
4289         /*
4290          * Pre-rev3 ATI/AMD codecs operate in a paired channel mode, so
4291          * we need to take that into account (a single channel may take 2
4292          * channel slots if we need to carry a silent channel next to it).
4293          * On Rev3+ AMD codecs this function is not used.
4294          */
4295         int chanpairs = 0;
4296
4297         /* We only produce even-numbered channel count TLVs */
4298         if ((channels % 2) != 0)
4299                 return -1;
4300
4301         for (c = 0; c < 7; c += 2) {
4302                 if (cap->speakers[c] || cap->speakers[c+1])
4303                         chanpairs++;
4304         }
4305
4306         if (chanpairs * 2 != channels)
4307                 return -1;
4308
4309         return SNDRV_CTL_TLVT_CHMAP_PAIRED;
4310 }
4311
4312 static void atihdmi_paired_cea_alloc_to_tlv_chmap(struct hdac_chmap *hchmap,
4313                 struct hdac_cea_channel_speaker_allocation *cap,
4314                 unsigned int *chmap, int channels)
4315 {
4316         /* produce paired maps for pre-rev3 ATI/AMD codecs */
4317         int count = 0;
4318         int c;
4319
4320         for (c = 7; c >= 0; c--) {
4321                 int chan = 7 - atihdmi_paired_swap_fc_lfe(7 - c);
4322                 int spk = cap->speakers[chan];
4323                 if (!spk) {
4324                         /* add N/A channel if the companion channel is occupied */
4325                         if (cap->speakers[chan + (chan % 2 ? -1 : 1)])
4326                                 chmap[count++] = SNDRV_CHMAP_NA;
4327
4328                         continue;
4329                 }
4330
4331                 chmap[count++] = snd_hdac_spk_to_chmap(spk);
4332         }
4333
4334         WARN_ON(count != channels);
4335 }
4336
4337 static int atihdmi_pin_hbr_setup(struct hda_codec *codec, hda_nid_t pin_nid,
4338                                  int dev_id, bool hbr)
4339 {
4340         int hbr_ctl, hbr_ctl_new;
4341
4342         WARN_ON(dev_id != 0);
4343
4344         hbr_ctl = snd_hda_codec_read(codec, pin_nid, 0, ATI_VERB_GET_HBR_CONTROL, 0);
4345         if (hbr_ctl >= 0 && (hbr_ctl & ATI_HBR_CAPABLE)) {
4346                 if (hbr)
4347                         hbr_ctl_new = hbr_ctl | ATI_HBR_ENABLE;
4348                 else
4349                         hbr_ctl_new = hbr_ctl & ~ATI_HBR_ENABLE;
4350
4351                 codec_dbg(codec,
4352                           "atihdmi_pin_hbr_setup: NID=0x%x, %shbr-ctl=0x%x\n",
4353                                 pin_nid,
4354                                 hbr_ctl == hbr_ctl_new ? "" : "new-",
4355                                 hbr_ctl_new);
4356
4357                 if (hbr_ctl != hbr_ctl_new)
4358                         snd_hda_codec_write(codec, pin_nid, 0,
4359                                                 ATI_VERB_SET_HBR_CONTROL,
4360                                                 hbr_ctl_new);
4361
4362         } else if (hbr)
4363                 return -EINVAL;
4364
4365         return 0;
4366 }
4367
4368 static int atihdmi_setup_stream(struct hda_codec *codec, hda_nid_t cvt_nid,
4369                                 hda_nid_t pin_nid, int dev_id,
4370                                 u32 stream_tag, int format)
4371 {
4372         if (is_amdhdmi_rev3_or_later(codec)) {
4373                 int ramp_rate = 180; /* default as per AMD spec */
4374                 /* disable ramp-up/down for non-pcm as per AMD spec */
4375                 if (format & AC_FMT_TYPE_NON_PCM)
4376                         ramp_rate = 0;
4377
4378                 snd_hda_codec_write(codec, cvt_nid, 0, ATI_VERB_SET_RAMP_RATE, ramp_rate);
4379         }
4380
4381         return hdmi_setup_stream(codec, cvt_nid, pin_nid, dev_id,
4382                                  stream_tag, format);
4383 }
4384
4385
4386 static int atihdmi_init(struct hda_codec *codec)
4387 {
4388         struct hdmi_spec *spec = codec->spec;
4389         int pin_idx, err;
4390
4391         err = generic_hdmi_init(codec);
4392
4393         if (err)
4394                 return err;
4395
4396         for (pin_idx = 0; pin_idx < spec->num_pins; pin_idx++) {
4397                 struct hdmi_spec_per_pin *per_pin = get_pin(spec, pin_idx);
4398
4399                 /* make sure downmix information in infoframe is zero */
4400                 snd_hda_codec_write(codec, per_pin->pin_nid, 0, ATI_VERB_SET_DOWNMIX_INFO, 0);
4401
4402                 /* enable channel-wise remap mode if supported */
4403                 if (has_amd_full_remap_support(codec))
4404                         snd_hda_codec_write(codec, per_pin->pin_nid, 0,
4405                                             ATI_VERB_SET_MULTICHANNEL_MODE,
4406                                             ATI_MULTICHANNEL_MODE_SINGLE);
4407         }
4408         codec->auto_runtime_pm = 1;
4409
4410         return 0;
4411 }
4412
4413 /* map from pin NID to port; port is 0-based */
4414 /* for AMD: assume widget NID starting from 3, with step 2 (3, 5, 7, ...) */
4415 static int atihdmi_pin2port(void *audio_ptr, int pin_nid)
4416 {
4417         return pin_nid / 2 - 1;
4418 }
4419
4420 /* reverse-map from port to pin NID: see above */
4421 static int atihdmi_port2pin(struct hda_codec *codec, int port)
4422 {
4423         return port * 2 + 3;
4424 }
4425
4426 static const struct drm_audio_component_audio_ops atihdmi_audio_ops = {
4427         .pin2port = atihdmi_pin2port,
4428         .pin_eld_notify = generic_acomp_pin_eld_notify,
4429         .master_bind = generic_acomp_master_bind,
4430         .master_unbind = generic_acomp_master_unbind,
4431 };
4432
4433 static int patch_atihdmi(struct hda_codec *codec)
4434 {
4435         struct hdmi_spec *spec;
4436         struct hdmi_spec_per_cvt *per_cvt;
4437         int err, cvt_idx;
4438
4439         err = patch_generic_hdmi(codec);
4440
4441         if (err)
4442                 return err;
4443
4444         codec->patch_ops.init = atihdmi_init;
4445
4446         spec = codec->spec;
4447
4448         spec->static_pcm_mapping = true;
4449
4450         spec->ops.pin_get_eld = atihdmi_pin_get_eld;
4451         spec->ops.pin_setup_infoframe = atihdmi_pin_setup_infoframe;
4452         spec->ops.pin_hbr_setup = atihdmi_pin_hbr_setup;
4453         spec->ops.setup_stream = atihdmi_setup_stream;
4454
4455         spec->chmap.ops.pin_get_slot_channel = atihdmi_pin_get_slot_channel;
4456         spec->chmap.ops.pin_set_slot_channel = atihdmi_pin_set_slot_channel;
4457
4458         if (!has_amd_full_remap_support(codec)) {
4459                 /* override to ATI/AMD-specific versions with pairwise mapping */
4460                 spec->chmap.ops.chmap_cea_alloc_validate_get_type =
4461                         atihdmi_paired_chmap_cea_alloc_validate_get_type;
4462                 spec->chmap.ops.cea_alloc_to_tlv_chmap =
4463                                 atihdmi_paired_cea_alloc_to_tlv_chmap;
4464                 spec->chmap.ops.chmap_validate = atihdmi_paired_chmap_validate;
4465         }
4466
4467         /* ATI/AMD converters do not advertise all of their capabilities */
4468         for (cvt_idx = 0; cvt_idx < spec->num_cvts; cvt_idx++) {
4469                 per_cvt = get_cvt(spec, cvt_idx);
4470                 per_cvt->channels_max = max(per_cvt->channels_max, 8u);
4471                 per_cvt->rates |= SUPPORTED_RATES;
4472                 per_cvt->formats |= SUPPORTED_FORMATS;
4473                 per_cvt->maxbps = max(per_cvt->maxbps, 24u);
4474         }
4475
4476         spec->chmap.channels_max = max(spec->chmap.channels_max, 8u);
4477
4478         /* AMD GPUs have neither EPSS nor CLKSTOP bits, hence preventing
4479          * the link-down as is.  Tell the core to allow it.
4480          */
4481         codec->link_down_at_suspend = 1;
4482
4483         generic_acomp_init(codec, &atihdmi_audio_ops, atihdmi_port2pin);
4484
4485         return 0;
4486 }
4487
4488 /* VIA HDMI Implementation */
4489 #define VIAHDMI_CVT_NID 0x02    /* audio converter1 */
4490 #define VIAHDMI_PIN_NID 0x03    /* HDMI output pin1 */
4491
4492 static int patch_via_hdmi(struct hda_codec *codec)
4493 {
4494         return patch_simple_hdmi(codec, VIAHDMI_CVT_NID, VIAHDMI_PIN_NID);
4495 }
4496
4497 static int patch_gf_hdmi(struct hda_codec *codec)
4498 {
4499         int err;
4500
4501         err = patch_generic_hdmi(codec);
4502         if (err)
4503                 return err;
4504
4505         /*
4506          * Glenfly GPUs have two codecs, stream switches from one codec to
4507          * another, need to do actual clean-ups in codec_cleanup_stream
4508          */
4509         codec->no_sticky_stream = 1;
4510         return 0;
4511 }
4512
4513 /*
4514  * patch entries
4515  */
4516 static const struct hda_device_id snd_hda_id_hdmi[] = {
4517 HDA_CODEC_ENTRY(0x00147a47, "Loongson HDMI",    patch_generic_hdmi),
4518 HDA_CODEC_ENTRY(0x1002793c, "RS600 HDMI",       patch_atihdmi),
4519 HDA_CODEC_ENTRY(0x10027919, "RS600 HDMI",       patch_atihdmi),
4520 HDA_CODEC_ENTRY(0x1002791a, "RS690/780 HDMI",   patch_atihdmi),
4521 HDA_CODEC_ENTRY(0x1002aa01, "R6xx HDMI",        patch_atihdmi),
4522 HDA_CODEC_ENTRY(0x10951390, "SiI1390 HDMI",     patch_generic_hdmi),
4523 HDA_CODEC_ENTRY(0x10951392, "SiI1392 HDMI",     patch_generic_hdmi),
4524 HDA_CODEC_ENTRY(0x17e80047, "Chrontel HDMI",    patch_generic_hdmi),
4525 HDA_CODEC_ENTRY(0x10de0001, "MCP73 HDMI",       patch_nvhdmi_2ch),
4526 HDA_CODEC_ENTRY(0x10de0002, "MCP77/78 HDMI",    patch_nvhdmi_8ch_7x),
4527 HDA_CODEC_ENTRY(0x10de0003, "MCP77/78 HDMI",    patch_nvhdmi_8ch_7x),
4528 HDA_CODEC_ENTRY(0x10de0004, "GPU 04 HDMI",      patch_nvhdmi_8ch_7x),
4529 HDA_CODEC_ENTRY(0x10de0005, "MCP77/78 HDMI",    patch_nvhdmi_8ch_7x),
4530 HDA_CODEC_ENTRY(0x10de0006, "MCP77/78 HDMI",    patch_nvhdmi_8ch_7x),
4531 HDA_CODEC_ENTRY(0x10de0007, "MCP79/7A HDMI",    patch_nvhdmi_8ch_7x),
4532 HDA_CODEC_ENTRY(0x10de0008, "GPU 08 HDMI/DP",   patch_nvhdmi_legacy),
4533 HDA_CODEC_ENTRY(0x10de0009, "GPU 09 HDMI/DP",   patch_nvhdmi_legacy),
4534 HDA_CODEC_ENTRY(0x10de000a, "GPU 0a HDMI/DP",   patch_nvhdmi_legacy),
4535 HDA_CODEC_ENTRY(0x10de000b, "GPU 0b HDMI/DP",   patch_nvhdmi_legacy),
4536 HDA_CODEC_ENTRY(0x10de000c, "MCP89 HDMI",       patch_nvhdmi_legacy),
4537 HDA_CODEC_ENTRY(0x10de000d, "GPU 0d HDMI/DP",   patch_nvhdmi_legacy),
4538 HDA_CODEC_ENTRY(0x10de0010, "GPU 10 HDMI/DP",   patch_nvhdmi_legacy),
4539 HDA_CODEC_ENTRY(0x10de0011, "GPU 11 HDMI/DP",   patch_nvhdmi_legacy),
4540 HDA_CODEC_ENTRY(0x10de0012, "GPU 12 HDMI/DP",   patch_nvhdmi_legacy),
4541 HDA_CODEC_ENTRY(0x10de0013, "GPU 13 HDMI/DP",   patch_nvhdmi_legacy),
4542 HDA_CODEC_ENTRY(0x10de0014, "GPU 14 HDMI/DP",   patch_nvhdmi_legacy),
4543 HDA_CODEC_ENTRY(0x10de0015, "GPU 15 HDMI/DP",   patch_nvhdmi_legacy),
4544 HDA_CODEC_ENTRY(0x10de0016, "GPU 16 HDMI/DP",   patch_nvhdmi_legacy),
4545 /* 17 is known to be absent */
4546 HDA_CODEC_ENTRY(0x10de0018, "GPU 18 HDMI/DP",   patch_nvhdmi_legacy),
4547 HDA_CODEC_ENTRY(0x10de0019, "GPU 19 HDMI/DP",   patch_nvhdmi_legacy),
4548 HDA_CODEC_ENTRY(0x10de001a, "GPU 1a HDMI/DP",   patch_nvhdmi_legacy),
4549 HDA_CODEC_ENTRY(0x10de001b, "GPU 1b HDMI/DP",   patch_nvhdmi_legacy),
4550 HDA_CODEC_ENTRY(0x10de001c, "GPU 1c HDMI/DP",   patch_nvhdmi_legacy),
4551 HDA_CODEC_ENTRY(0x10de0020, "Tegra30 HDMI",     patch_tegra_hdmi),
4552 HDA_CODEC_ENTRY(0x10de0022, "Tegra114 HDMI",    patch_tegra_hdmi),
4553 HDA_CODEC_ENTRY(0x10de0028, "Tegra124 HDMI",    patch_tegra_hdmi),
4554 HDA_CODEC_ENTRY(0x10de0029, "Tegra210 HDMI/DP", patch_tegra_hdmi),
4555 HDA_CODEC_ENTRY(0x10de002d, "Tegra186 HDMI/DP0", patch_tegra_hdmi),
4556 HDA_CODEC_ENTRY(0x10de002e, "Tegra186 HDMI/DP1", patch_tegra_hdmi),
4557 HDA_CODEC_ENTRY(0x10de002f, "Tegra194 HDMI/DP2", patch_tegra_hdmi),
4558 HDA_CODEC_ENTRY(0x10de0030, "Tegra194 HDMI/DP3", patch_tegra_hdmi),
4559 HDA_CODEC_ENTRY(0x10de0031, "Tegra234 HDMI/DP", patch_tegra234_hdmi),
4560 HDA_CODEC_ENTRY(0x10de0040, "GPU 40 HDMI/DP",   patch_nvhdmi),
4561 HDA_CODEC_ENTRY(0x10de0041, "GPU 41 HDMI/DP",   patch_nvhdmi),
4562 HDA_CODEC_ENTRY(0x10de0042, "GPU 42 HDMI/DP",   patch_nvhdmi),
4563 HDA_CODEC_ENTRY(0x10de0043, "GPU 43 HDMI/DP",   patch_nvhdmi),
4564 HDA_CODEC_ENTRY(0x10de0044, "GPU 44 HDMI/DP",   patch_nvhdmi),
4565 HDA_CODEC_ENTRY(0x10de0045, "GPU 45 HDMI/DP",   patch_nvhdmi),
4566 HDA_CODEC_ENTRY(0x10de0050, "GPU 50 HDMI/DP",   patch_nvhdmi),
4567 HDA_CODEC_ENTRY(0x10de0051, "GPU 51 HDMI/DP",   patch_nvhdmi),
4568 HDA_CODEC_ENTRY(0x10de0052, "GPU 52 HDMI/DP",   patch_nvhdmi),
4569 HDA_CODEC_ENTRY(0x10de0060, "GPU 60 HDMI/DP",   patch_nvhdmi),
4570 HDA_CODEC_ENTRY(0x10de0061, "GPU 61 HDMI/DP",   patch_nvhdmi),
4571 HDA_CODEC_ENTRY(0x10de0062, "GPU 62 HDMI/DP",   patch_nvhdmi),
4572 HDA_CODEC_ENTRY(0x10de0067, "MCP67 HDMI",       patch_nvhdmi_2ch),
4573 HDA_CODEC_ENTRY(0x10de0070, "GPU 70 HDMI/DP",   patch_nvhdmi),
4574 HDA_CODEC_ENTRY(0x10de0071, "GPU 71 HDMI/DP",   patch_nvhdmi),
4575 HDA_CODEC_ENTRY(0x10de0072, "GPU 72 HDMI/DP",   patch_nvhdmi),
4576 HDA_CODEC_ENTRY(0x10de0073, "GPU 73 HDMI/DP",   patch_nvhdmi),
4577 HDA_CODEC_ENTRY(0x10de0074, "GPU 74 HDMI/DP",   patch_nvhdmi),
4578 HDA_CODEC_ENTRY(0x10de0076, "GPU 76 HDMI/DP",   patch_nvhdmi),
4579 HDA_CODEC_ENTRY(0x10de007b, "GPU 7b HDMI/DP",   patch_nvhdmi),
4580 HDA_CODEC_ENTRY(0x10de007c, "GPU 7c HDMI/DP",   patch_nvhdmi),
4581 HDA_CODEC_ENTRY(0x10de007d, "GPU 7d HDMI/DP",   patch_nvhdmi),
4582 HDA_CODEC_ENTRY(0x10de007e, "GPU 7e HDMI/DP",   patch_nvhdmi),
4583 HDA_CODEC_ENTRY(0x10de0080, "GPU 80 HDMI/DP",   patch_nvhdmi),
4584 HDA_CODEC_ENTRY(0x10de0081, "GPU 81 HDMI/DP",   patch_nvhdmi),
4585 HDA_CODEC_ENTRY(0x10de0082, "GPU 82 HDMI/DP",   patch_nvhdmi),
4586 HDA_CODEC_ENTRY(0x10de0083, "GPU 83 HDMI/DP",   patch_nvhdmi),
4587 HDA_CODEC_ENTRY(0x10de0084, "GPU 84 HDMI/DP",   patch_nvhdmi),
4588 HDA_CODEC_ENTRY(0x10de0090, "GPU 90 HDMI/DP",   patch_nvhdmi),
4589 HDA_CODEC_ENTRY(0x10de0091, "GPU 91 HDMI/DP",   patch_nvhdmi),
4590 HDA_CODEC_ENTRY(0x10de0092, "GPU 92 HDMI/DP",   patch_nvhdmi),
4591 HDA_CODEC_ENTRY(0x10de0093, "GPU 93 HDMI/DP",   patch_nvhdmi),
4592 HDA_CODEC_ENTRY(0x10de0094, "GPU 94 HDMI/DP",   patch_nvhdmi),
4593 HDA_CODEC_ENTRY(0x10de0095, "GPU 95 HDMI/DP",   patch_nvhdmi),
4594 HDA_CODEC_ENTRY(0x10de0097, "GPU 97 HDMI/DP",   patch_nvhdmi),
4595 HDA_CODEC_ENTRY(0x10de0098, "GPU 98 HDMI/DP",   patch_nvhdmi),
4596 HDA_CODEC_ENTRY(0x10de0099, "GPU 99 HDMI/DP",   patch_nvhdmi),
4597 HDA_CODEC_ENTRY(0x10de009a, "GPU 9a HDMI/DP",   patch_nvhdmi),
4598 HDA_CODEC_ENTRY(0x10de009d, "GPU 9d HDMI/DP",   patch_nvhdmi),
4599 HDA_CODEC_ENTRY(0x10de009e, "GPU 9e HDMI/DP",   patch_nvhdmi),
4600 HDA_CODEC_ENTRY(0x10de009f, "GPU 9f HDMI/DP",   patch_nvhdmi),
4601 HDA_CODEC_ENTRY(0x10de00a0, "GPU a0 HDMI/DP",   patch_nvhdmi),
4602 HDA_CODEC_ENTRY(0x10de00a3, "GPU a3 HDMI/DP",   patch_nvhdmi),
4603 HDA_CODEC_ENTRY(0x10de00a4, "GPU a4 HDMI/DP",   patch_nvhdmi),
4604 HDA_CODEC_ENTRY(0x10de00a5, "GPU a5 HDMI/DP",   patch_nvhdmi),
4605 HDA_CODEC_ENTRY(0x10de00a6, "GPU a6 HDMI/DP",   patch_nvhdmi),
4606 HDA_CODEC_ENTRY(0x10de00a7, "GPU a7 HDMI/DP",   patch_nvhdmi),
4607 HDA_CODEC_ENTRY(0x10de8001, "MCP73 HDMI",       patch_nvhdmi_2ch),
4608 HDA_CODEC_ENTRY(0x10de8067, "MCP67/68 HDMI",    patch_nvhdmi_2ch),
4609 HDA_CODEC_ENTRY(0x67663d82, "Arise 82 HDMI/DP", patch_gf_hdmi),
4610 HDA_CODEC_ENTRY(0x67663d83, "Arise 83 HDMI/DP", patch_gf_hdmi),
4611 HDA_CODEC_ENTRY(0x67663d84, "Arise 84 HDMI/DP", patch_gf_hdmi),
4612 HDA_CODEC_ENTRY(0x67663d85, "Arise 85 HDMI/DP", patch_gf_hdmi),
4613 HDA_CODEC_ENTRY(0x67663d86, "Arise 86 HDMI/DP", patch_gf_hdmi),
4614 HDA_CODEC_ENTRY(0x67663d87, "Arise 87 HDMI/DP", patch_gf_hdmi),
4615 HDA_CODEC_ENTRY(0x11069f80, "VX900 HDMI/DP",    patch_via_hdmi),
4616 HDA_CODEC_ENTRY(0x11069f81, "VX900 HDMI/DP",    patch_via_hdmi),
4617 HDA_CODEC_ENTRY(0x11069f84, "VX11 HDMI/DP",     patch_generic_hdmi),
4618 HDA_CODEC_ENTRY(0x11069f85, "VX11 HDMI/DP",     patch_generic_hdmi),
4619 HDA_CODEC_ENTRY(0x80860054, "IbexPeak HDMI",    patch_i915_cpt_hdmi),
4620 HDA_CODEC_ENTRY(0x80862800, "Geminilake HDMI",  patch_i915_glk_hdmi),
4621 HDA_CODEC_ENTRY(0x80862801, "Bearlake HDMI",    patch_generic_hdmi),
4622 HDA_CODEC_ENTRY(0x80862802, "Cantiga HDMI",     patch_generic_hdmi),
4623 HDA_CODEC_ENTRY(0x80862803, "Eaglelake HDMI",   patch_generic_hdmi),
4624 HDA_CODEC_ENTRY(0x80862804, "IbexPeak HDMI",    patch_i915_cpt_hdmi),
4625 HDA_CODEC_ENTRY(0x80862805, "CougarPoint HDMI", patch_i915_cpt_hdmi),
4626 HDA_CODEC_ENTRY(0x80862806, "PantherPoint HDMI", patch_i915_cpt_hdmi),
4627 HDA_CODEC_ENTRY(0x80862807, "Haswell HDMI",     patch_i915_hsw_hdmi),
4628 HDA_CODEC_ENTRY(0x80862808, "Broadwell HDMI",   patch_i915_hsw_hdmi),
4629 HDA_CODEC_ENTRY(0x80862809, "Skylake HDMI",     patch_i915_hsw_hdmi),
4630 HDA_CODEC_ENTRY(0x8086280a, "Broxton HDMI",     patch_i915_hsw_hdmi),
4631 HDA_CODEC_ENTRY(0x8086280b, "Kabylake HDMI",    patch_i915_hsw_hdmi),
4632 HDA_CODEC_ENTRY(0x8086280c, "Cannonlake HDMI",  patch_i915_glk_hdmi),
4633 HDA_CODEC_ENTRY(0x8086280d, "Geminilake HDMI",  patch_i915_glk_hdmi),
4634 HDA_CODEC_ENTRY(0x8086280f, "Icelake HDMI",     patch_i915_icl_hdmi),
4635 HDA_CODEC_ENTRY(0x80862812, "Tigerlake HDMI",   patch_i915_tgl_hdmi),
4636 HDA_CODEC_ENTRY(0x80862814, "DG1 HDMI", patch_i915_tgl_hdmi),
4637 HDA_CODEC_ENTRY(0x80862815, "Alderlake HDMI",   patch_i915_tgl_hdmi),
4638 HDA_CODEC_ENTRY(0x80862816, "Rocketlake HDMI",  patch_i915_tgl_hdmi),
4639 HDA_CODEC_ENTRY(0x80862818, "Raptorlake HDMI",  patch_i915_tgl_hdmi),
4640 HDA_CODEC_ENTRY(0x80862819, "DG2 HDMI", patch_i915_tgl_hdmi),
4641 HDA_CODEC_ENTRY(0x8086281a, "Jasperlake HDMI",  patch_i915_icl_hdmi),
4642 HDA_CODEC_ENTRY(0x8086281b, "Elkhartlake HDMI", patch_i915_icl_hdmi),
4643 HDA_CODEC_ENTRY(0x8086281c, "Alderlake-P HDMI", patch_i915_adlp_hdmi),
4644 HDA_CODEC_ENTRY(0x8086281d, "Meteor Lake HDMI", patch_i915_adlp_hdmi),
4645 HDA_CODEC_ENTRY(0x8086281f, "Raptor Lake P HDMI",       patch_i915_adlp_hdmi),
4646 HDA_CODEC_ENTRY(0x80862820, "Lunar Lake HDMI",  patch_i915_adlp_hdmi),
4647 HDA_CODEC_ENTRY(0x80862880, "CedarTrail HDMI",  patch_generic_hdmi),
4648 HDA_CODEC_ENTRY(0x80862882, "Valleyview2 HDMI", patch_i915_byt_hdmi),
4649 HDA_CODEC_ENTRY(0x80862883, "Braswell HDMI",    patch_i915_byt_hdmi),
4650 HDA_CODEC_ENTRY(0x808629fb, "Crestline HDMI",   patch_generic_hdmi),
4651 /* special ID for generic HDMI */
4652 HDA_CODEC_ENTRY(HDA_CODEC_ID_GENERIC_HDMI, "Generic HDMI", patch_generic_hdmi),
4653 {} /* terminator */
4654 };
4655 MODULE_DEVICE_TABLE(hdaudio, snd_hda_id_hdmi);
4656
4657 MODULE_LICENSE("GPL");
4658 MODULE_DESCRIPTION("HDMI HD-audio codec");
4659 MODULE_ALIAS("snd-hda-codec-intelhdmi");
4660 MODULE_ALIAS("snd-hda-codec-nvhdmi");
4661 MODULE_ALIAS("snd-hda-codec-atihdmi");
4662
4663 static struct hda_codec_driver hdmi_driver = {
4664         .id = snd_hda_id_hdmi,
4665 };
4666
4667 module_hda_codec_driver(hdmi_driver);