sound/pci/hda/patch_hdmi.c

   1 /*
   2  *
   3  *  patch_hdmi.c - routines for HDMI/DisplayPort codecs
   4  *
   5  *  Copyright(c) 2008-2010 Intel Corporation. All rights reserved.
   6  *  Copyright (c) 2006 ATI Technologies Inc.
   7  *  Copyright (c) 2008 NVIDIA Corp.  All rights reserved.
   8  *  Copyright (c) 2008 Wei Ni <wni@nvidia.com>
   9  *  Copyright (c) 2013 Anssi Hannula <anssi.hannula@iki.fi>
  10  *
  11  *  Authors:
  12  *                      Wu Fengguang <wfg@linux.intel.com>
  13  *
  14  *  Maintained by:
  15  *                      Wu Fengguang <wfg@linux.intel.com>
  16  *
  17  *  This program is free software; you can redistribute it and/or modify it
  18  *  under the terms of the GNU General Public License as published by the Free
  19  *  Software Foundation; either version 2 of the License, or (at your option)
  20  *  any later version.
  21  *
  22  *  This program is distributed in the hope that it will be useful, but
  23  *  WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
  24  *  or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  25  *  for more details.
  26  *
  27  *  You should have received a copy of the GNU General Public License
  28  *  along with this program; if not, write to the Free Software Foundation,
  29  *  Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
  30  */
  31
  32 #include <linux/init.h>
  33 #include <linux/delay.h>
  34 #include <linux/slab.h>
  35 #include <linux/module.h>
  36 #include <sound/core.h>
  37 #include <sound/jack.h>
  38 #include <sound/asoundef.h>
  39 #include <sound/tlv.h>
  40 #include <sound/hdaudio.h>
  41 #include <sound/hda_i915.h>
  42 #include <sound/hda_chmap.h>
  43 #include "hda_codec.h"
  44 #include "hda_local.h"
  45 #include "hda_jack.h"
  46
  47 static bool static_hdmi_pcm;
  48 module_param(static_hdmi_pcm, bool, 0644);
  49 MODULE_PARM_DESC(static_hdmi_pcm, "Don't restrict PCM parameters per ELD info");
  50
  51 #define is_haswell(codec)  ((codec)->core.vendor_id == 0x80862807)
  52 #define is_broadwell(codec)    ((codec)->core.vendor_id == 0x80862808)
  53 #define is_skylake(codec) ((codec)->core.vendor_id == 0x80862809)
  54 #define is_broxton(codec) ((codec)->core.vendor_id == 0x8086280a)
  55 #define is_kabylake(codec) ((codec)->core.vendor_id == 0x8086280b)
  56 #define is_haswell_plus(codec) (is_haswell(codec) || is_broadwell(codec) \
  57                                 || is_skylake(codec) || is_broxton(codec) \
  58                                 || is_kabylake(codec))
  59
  60 #define is_valleyview(codec) ((codec)->core.vendor_id == 0x80862882)
  61 #define is_cherryview(codec) ((codec)->core.vendor_id == 0x80862883)
  62 #define is_valleyview_plus(codec) (is_valleyview(codec) || is_cherryview(codec))
  63
  64 struct hdmi_spec_per_cvt {
  65         hda_nid_t cvt_nid;
  66         int assigned;
  67         unsigned int channels_min;
  68         unsigned int channels_max;
  69         u32 rates;
  70         u64 formats;
  71         unsigned int maxbps;
  72 };
  73
  74 /* max. connections to a widget */
  75 #define HDA_MAX_CONNECTIONS     32
  76
  77 struct hdmi_spec_per_pin {
  78         hda_nid_t pin_nid;
  79         /* pin idx, different device entries on the same pin use the same idx */
  80         int pin_nid_idx;
  81         int num_mux_nids;
  82         hda_nid_t mux_nids[HDA_MAX_CONNECTIONS];
  83         int mux_idx;
  84         hda_nid_t cvt_nid;
  85
  86         struct hda_codec *codec;
  87         struct hdmi_eld sink_eld;
  88         struct mutex lock;
  89         struct delayed_work work;
  90         struct hdmi_pcm *pcm; /* pointer to spec->pcm_rec[n] dynamically*/
  91         int pcm_idx; /* which pcm is attached. -1 means no pcm is attached */
  92         int repoll_count;
  93         bool setup; /* the stream has been set up by prepare callback */
  94         int channels; /* current number of channels */
  95         bool non_pcm;
  96         bool chmap_set;         /* channel-map override by ALSA API? */
  97         unsigned char chmap[8]; /* ALSA API channel-map */
  98 #ifdef CONFIG_SND_PROC_FS
  99         struct snd_info_entry *proc_entry;
 100 #endif
 101 };
 102
 103 /* operations used by generic code that can be overridden by patches */
 104 struct hdmi_ops {
 105         int (*pin_get_eld)(struct hda_codec *codec, hda_nid_t pin_nid,
 106                            unsigned char *buf, int *eld_size);
 107
 108         void (*pin_setup_infoframe)(struct hda_codec *codec, hda_nid_t pin_nid,
 109                                     int ca, int active_channels, int conn_type);
 110
 111         /* enable/disable HBR (HD passthrough) */
 112         int (*pin_hbr_setup)(struct hda_codec *codec, hda_nid_t pin_nid, bool hbr);
 113
 114         int (*setup_stream)(struct hda_codec *codec, hda_nid_t cvt_nid,
 115                             hda_nid_t pin_nid, u32 stream_tag, int format);
 116
 117         void (*pin_cvt_fixup)(struct hda_codec *codec,
 118                               struct hdmi_spec_per_pin *per_pin,
 119                               hda_nid_t cvt_nid);
 120 };
 121
 122 struct hdmi_pcm {
 123         struct hda_pcm *pcm;
 124         struct snd_jack *jack;
 125         struct snd_kcontrol *eld_ctl;
 126 };
 127
 128 struct hdmi_spec {
 129         int num_cvts;
 130         struct snd_array cvts; /* struct hdmi_spec_per_cvt */
 131         hda_nid_t cvt_nids[4]; /* only for haswell fix */
 132
 133         int num_pins;
 134         struct snd_array pins; /* struct hdmi_spec_per_pin */
 135         struct hdmi_pcm pcm_rec[16];
 136         struct mutex pcm_lock;
 137         /* pcm_bitmap means which pcms have been assigned to pins*/
 138         unsigned long pcm_bitmap;
 139         int pcm_used;   /* counter of pcm_rec[] */
 140         /* bitmap shows whether the pcm is opened in user space
 141          * bit 0 means the first playback PCM (PCM3);
 142          * bit 1 means the second playback PCM, and so on.
 143          */
 144         unsigned long pcm_in_use;
 145
 146         struct hdmi_eld temp_eld;
 147         struct hdmi_ops ops;
 148
 149         bool dyn_pin_out;
 150         bool dyn_pcm_assign;
 151         /*
 152          * Non-generic VIA/NVIDIA specific
 153          */
 154         struct hda_multi_out multiout;
 155         struct hda_pcm_stream pcm_playback;
 156
 157         /* i915/powerwell (Haswell+/Valleyview+) specific */
 158         bool use_acomp_notifier; /* use i915 eld_notify callback for hotplug */
 159         struct i915_audio_component_audio_ops i915_audio_ops;
 160         bool i915_bound; /* was i915 bound in this driver? */
 161
 162         struct hdac_chmap chmap;
 163 };
 164
 165 #ifdef CONFIG_SND_HDA_I915
 166 static inline bool codec_has_acomp(struct hda_codec *codec)
 167 {
 168         struct hdmi_spec *spec = codec->spec;
 169         return spec->use_acomp_notifier;
 170 }
 171 #else
 172 #define codec_has_acomp(codec)  false
 173 #endif
 174
 175 struct hdmi_audio_infoframe {
 176         u8 type; /* 0x84 */
 177         u8 ver;  /* 0x01 */
 178         u8 len;  /* 0x0a */
 179
 180         u8 checksum;
 181
 182         u8 CC02_CT47;   /* CC in bits 0:2, CT in 4:7 */
 183         u8 SS01_SF24;
 184         u8 CXT04;
 185         u8 CA;
 186         u8 LFEPBL01_LSV36_DM_INH7;
 187 };
 188
 189 struct dp_audio_infoframe {
 190         u8 type; /* 0x84 */
 191         u8 len;  /* 0x1b */
 192         u8 ver;  /* 0x11 << 2 */
 193
 194         u8 CC02_CT47;   /* match with HDMI infoframe from this on */
 195         u8 SS01_SF24;
 196         u8 CXT04;
 197         u8 CA;
 198         u8 LFEPBL01_LSV36_DM_INH7;
 199 };
 200
 201 union audio_infoframe {
 202         struct hdmi_audio_infoframe hdmi;
 203         struct dp_audio_infoframe dp;
 204         u8 bytes[0];
 205 };
 206
 207 /*
 208  * HDMI routines
 209  */
 210
 211 #define get_pin(spec, idx) \
 212         ((struct hdmi_spec_per_pin *)snd_array_elem(&spec->pins, idx))
 213 #define get_cvt(spec, idx) \
 214         ((struct hdmi_spec_per_cvt  *)snd_array_elem(&spec->cvts, idx))
 215 /* obtain hdmi_pcm object assigned to idx */
 216 #define get_hdmi_pcm(spec, idx) (&(spec)->pcm_rec[idx])
 217 /* obtain hda_pcm object assigned to idx */
 218 #define get_pcm_rec(spec, idx)  (get_hdmi_pcm(spec, idx)->pcm)
 219
 220 static int pin_nid_to_pin_index(struct hda_codec *codec, hda_nid_t pin_nid)
 221 {
 222         struct hdmi_spec *spec = codec->spec;
 223         int pin_idx;
 224
 225         for (pin_idx = 0; pin_idx < spec->num_pins; pin_idx++)
 226                 if (get_pin(spec, pin_idx)->pin_nid == pin_nid)
 227                         return pin_idx;
 228
 229         codec_warn(codec, "HDMI: pin nid %d not registered\n", pin_nid);
 230         return -EINVAL;
 231 }
 232
 233 static int hinfo_to_pcm_index(struct hda_codec *codec,
 234                         struct hda_pcm_stream *hinfo)
 235 {
 236         struct hdmi_spec *spec = codec->spec;
 237         int pcm_idx;
 238
 239         for (pcm_idx = 0; pcm_idx < spec->pcm_used; pcm_idx++)
 240                 if (get_pcm_rec(spec, pcm_idx)->stream == hinfo)
 241                         return pcm_idx;
 242
 243         codec_warn(codec, "HDMI: hinfo %p not registered\n", hinfo);
 244         return -EINVAL;
 245 }
 246
 247 static int hinfo_to_pin_index(struct hda_codec *codec,
 248                               struct hda_pcm_stream *hinfo)
 249 {
 250         struct hdmi_spec *spec = codec->spec;
 251         struct hdmi_spec_per_pin *per_pin;
 252         int pin_idx;
 253
 254         for (pin_idx = 0; pin_idx < spec->num_pins; pin_idx++) {
 255                 per_pin = get_pin(spec, pin_idx);
 256                 if (per_pin->pcm &&
 257                         per_pin->pcm->pcm->stream == hinfo)
 258                         return pin_idx;
 259         }
 260
 261         codec_dbg(codec, "HDMI: hinfo %p not registered\n", hinfo);
 262         return -EINVAL;
 263 }
 264
 265 static struct hdmi_spec_per_pin *pcm_idx_to_pin(struct hdmi_spec *spec,
 266                                                 int pcm_idx)
 267 {
 268         int i;
 269         struct hdmi_spec_per_pin *per_pin;
 270
 271         for (i = 0; i < spec->num_pins; i++) {
 272                 per_pin = get_pin(spec, i);
 273                 if (per_pin->pcm_idx == pcm_idx)
 274                         return per_pin;
 275         }
 276         return NULL;
 277 }
 278
 279 static int cvt_nid_to_cvt_index(struct hda_codec *codec, hda_nid_t cvt_nid)
 280 {
 281         struct hdmi_spec *spec = codec->spec;
 282         int cvt_idx;
 283
 284         for (cvt_idx = 0; cvt_idx < spec->num_cvts; cvt_idx++)
 285                 if (get_cvt(spec, cvt_idx)->cvt_nid == cvt_nid)
 286                         return cvt_idx;
 287
 288         codec_warn(codec, "HDMI: cvt nid %d not registered\n", cvt_nid);
 289         return -EINVAL;
 290 }
 291
 292 static int hdmi_eld_ctl_info(struct snd_kcontrol *kcontrol,
 293                         struct snd_ctl_elem_info *uinfo)
 294 {
 295         struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
 296         struct hdmi_spec *spec = codec->spec;
 297         struct hdmi_spec_per_pin *per_pin;
 298         struct hdmi_eld *eld;
 299         int pcm_idx;
 300
 301         uinfo->type = SNDRV_CTL_ELEM_TYPE_BYTES;
 302
 303         pcm_idx = kcontrol->private_value;
 304         mutex_lock(&spec->pcm_lock);
 305         per_pin = pcm_idx_to_pin(spec, pcm_idx);
 306         if (!per_pin) {
 307                 /* no pin is bound to the pcm */
 308                 uinfo->count = 0;
 309                 mutex_unlock(&spec->pcm_lock);
 310                 return 0;
 311         }
 312         eld = &per_pin->sink_eld;
 313         uinfo->count = eld->eld_valid ? eld->eld_size : 0;
 314         mutex_unlock(&spec->pcm_lock);
 315
 316         return 0;
 317 }
 318
 319 static int hdmi_eld_ctl_get(struct snd_kcontrol *kcontrol,
 320                         struct snd_ctl_elem_value *ucontrol)
 321 {
 322         struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
 323         struct hdmi_spec *spec = codec->spec;
 324         struct hdmi_spec_per_pin *per_pin;
 325         struct hdmi_eld *eld;
 326         int pcm_idx;
 327
 328         pcm_idx = kcontrol->private_value;
 329         mutex_lock(&spec->pcm_lock);
 330         per_pin = pcm_idx_to_pin(spec, pcm_idx);
 331         if (!per_pin) {
 332                 /* no pin is bound to the pcm */
 333                 memset(ucontrol->value.bytes.data, 0,
 334                        ARRAY_SIZE(ucontrol->value.bytes.data));
 335                 mutex_unlock(&spec->pcm_lock);
 336                 return 0;
 337         }
 338         eld = &per_pin->sink_eld;
 339
 340         if (eld->eld_size > ARRAY_SIZE(ucontrol->value.bytes.data) ||
 341             eld->eld_size > ELD_MAX_SIZE) {
 342                 mutex_unlock(&spec->pcm_lock);
 343                 snd_BUG();
 344                 return -EINVAL;
 345         }
 346
 347         memset(ucontrol->value.bytes.data, 0,
 348                ARRAY_SIZE(ucontrol->value.bytes.data));
 349         if (eld->eld_valid)
 350                 memcpy(ucontrol->value.bytes.data, eld->eld_buffer,
 351                        eld->eld_size);
 352         mutex_unlock(&spec->pcm_lock);
 353
 354         return 0;
 355 }
 356
 357 static struct snd_kcontrol_new eld_bytes_ctl = {
 358         .access = SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_VOLATILE,
 359         .iface = SNDRV_CTL_ELEM_IFACE_PCM,
 360         .name = "ELD",
 361         .info = hdmi_eld_ctl_info,
 362         .get = hdmi_eld_ctl_get,
 363 };
 364
 365 static int hdmi_create_eld_ctl(struct hda_codec *codec, int pcm_idx,
 366                         int device)
 367 {
 368         struct snd_kcontrol *kctl;
 369         struct hdmi_spec *spec = codec->spec;
 370         int err;
 371
 372         kctl = snd_ctl_new1(&eld_bytes_ctl, codec);
 373         if (!kctl)
 374                 return -ENOMEM;
 375         kctl->private_value = pcm_idx;
 376         kctl->id.device = device;
 377
 378         /* no pin nid is associated with the kctl now
 379          * tbd: associate pin nid to eld ctl later
 380          */
 381         err = snd_hda_ctl_add(codec, 0, kctl);
 382         if (err < 0)
 383                 return err;
 384
 385         get_hdmi_pcm(spec, pcm_idx)->eld_ctl = kctl;
 386         return 0;
 387 }
 388
 389 #ifdef BE_PARANOID
 390 static void hdmi_get_dip_index(struct hda_codec *codec, hda_nid_t pin_nid,
 391                                 int *packet_index, int *byte_index)
 392 {
 393         int val;
 394
 395         val = snd_hda_codec_read(codec, pin_nid, 0,
 396                                  AC_VERB_GET_HDMI_DIP_INDEX, 0);
 397
 398         *packet_index = val >> 5;
 399         *byte_index = val & 0x1f;
 400 }
 401 #endif
 402
 403 static void hdmi_set_dip_index(struct hda_codec *codec, hda_nid_t pin_nid,
 404                                 int packet_index, int byte_index)
 405 {
 406         int val;
 407
 408         val = (packet_index << 5) | (byte_index & 0x1f);
 409
 410         snd_hda_codec_write(codec, pin_nid, 0, AC_VERB_SET_HDMI_DIP_INDEX, val);
 411 }
 412
 413 static void hdmi_write_dip_byte(struct hda_codec *codec, hda_nid_t pin_nid,
 414                                 unsigned char val)
 415 {
 416         snd_hda_codec_write(codec, pin_nid, 0, AC_VERB_SET_HDMI_DIP_DATA, val);
 417 }
 418
 419 static void hdmi_init_pin(struct hda_codec *codec, hda_nid_t pin_nid)
 420 {
 421         struct hdmi_spec *spec = codec->spec;
 422         int pin_out;
 423
 424         /* Unmute */
 425         if (get_wcaps(codec, pin_nid) & AC_WCAP_OUT_AMP)
 426                 snd_hda_codec_write(codec, pin_nid, 0,
 427                                 AC_VERB_SET_AMP_GAIN_MUTE, AMP_OUT_UNMUTE);
 428
 429         if (spec->dyn_pin_out)
 430                 /* Disable pin out until stream is active */
 431                 pin_out = 0;
 432         else
 433                 /* Enable pin out: some machines with GM965 gets broken output
 434                  * when the pin is disabled or changed while using with HDMI
 435                  */
 436                 pin_out = PIN_OUT;
 437
 438         snd_hda_codec_write(codec, pin_nid, 0,
 439                             AC_VERB_SET_PIN_WIDGET_CONTROL, pin_out);
 440 }
 441
 442 /*
 443  * ELD proc files
 444  */
 445
 446 #ifdef CONFIG_SND_PROC_FS
 447 static void print_eld_info(struct snd_info_entry *entry,
 448                            struct snd_info_buffer *buffer)
 449 {
 450         struct hdmi_spec_per_pin *per_pin = entry->private_data;
 451
 452         mutex_lock(&per_pin->lock);
 453         snd_hdmi_print_eld_info(&per_pin->sink_eld, buffer);
 454         mutex_unlock(&per_pin->lock);
 455 }
 456
 457 static void write_eld_info(struct snd_info_entry *entry,
 458                            struct snd_info_buffer *buffer)
 459 {
 460         struct hdmi_spec_per_pin *per_pin = entry->private_data;
 461
 462         mutex_lock(&per_pin->lock);
 463         snd_hdmi_write_eld_info(&per_pin->sink_eld, buffer);
 464         mutex_unlock(&per_pin->lock);
 465 }
 466
 467 static int eld_proc_new(struct hdmi_spec_per_pin *per_pin, int index)
 468 {
 469         char name[32];
 470         struct hda_codec *codec = per_pin->codec;
 471         struct snd_info_entry *entry;
 472         int err;
 473
 474         snprintf(name, sizeof(name), "eld#%d.%d", codec->addr, index);
 475         err = snd_card_proc_new(codec->card, name, &entry);
 476         if (err < 0)
 477                 return err;
 478
 479         snd_info_set_text_ops(entry, per_pin, print_eld_info);
 480         entry->c.text.write = write_eld_info;
 481         entry->mode |= S_IWUSR;
 482         per_pin->proc_entry = entry;
 483
 484         return 0;
 485 }
 486
 487 static void eld_proc_free(struct hdmi_spec_per_pin *per_pin)
 488 {
 489         if (!per_pin->codec->bus->shutdown) {
 490                 snd_info_free_entry(per_pin->proc_entry);
 491                 per_pin->proc_entry = NULL;
 492         }
 493 }
 494 #else
 495 static inline int eld_proc_new(struct hdmi_spec_per_pin *per_pin,
 496                                int index)
 497 {
 498         return 0;
 499 }
 500 static inline void eld_proc_free(struct hdmi_spec_per_pin *per_pin)
 501 {
 502 }
 503 #endif
 504
 505 /*
 506  * Audio InfoFrame routines
 507  */
 508
 509 /*
 510  * Enable Audio InfoFrame Transmission
 511  */
 512 static void hdmi_start_infoframe_trans(struct hda_codec *codec,
 513                                        hda_nid_t pin_nid)
 514 {
 515         hdmi_set_dip_index(codec, pin_nid, 0x0, 0x0);
 516         snd_hda_codec_write(codec, pin_nid, 0, AC_VERB_SET_HDMI_DIP_XMIT,
 517                                                 AC_DIPXMIT_BEST);
 518 }
 519
 520 /*
 521  * Disable Audio InfoFrame Transmission
 522  */
 523 static void hdmi_stop_infoframe_trans(struct hda_codec *codec,
 524                                       hda_nid_t pin_nid)
 525 {
 526         hdmi_set_dip_index(codec, pin_nid, 0x0, 0x0);
 527         snd_hda_codec_write(codec, pin_nid, 0, AC_VERB_SET_HDMI_DIP_XMIT,
 528                                                 AC_DIPXMIT_DISABLE);
 529 }
 530
 531 static void hdmi_debug_dip_size(struct hda_codec *codec, hda_nid_t pin_nid)
 532 {
 533 #ifdef CONFIG_SND_DEBUG_VERBOSE
 534         int i;
 535         int size;
 536
 537         size = snd_hdmi_get_eld_size(codec, pin_nid);
 538         codec_dbg(codec, "HDMI: ELD buf size is %d\n", size);
 539
 540         for (i = 0; i < 8; i++) {
 541                 size = snd_hda_codec_read(codec, pin_nid, 0,
 542                                                 AC_VERB_GET_HDMI_DIP_SIZE, i);
 543                 codec_dbg(codec, "HDMI: DIP GP[%d] buf size is %d\n", i, size);
 544         }
 545 #endif
 546 }
 547
 548 static void hdmi_clear_dip_buffers(struct hda_codec *codec, hda_nid_t pin_nid)
 549 {
 550 #ifdef BE_PARANOID
 551         int i, j;
 552         int size;
 553         int pi, bi;
 554         for (i = 0; i < 8; i++) {
 555                 size = snd_hda_codec_read(codec, pin_nid, 0,
 556                                                 AC_VERB_GET_HDMI_DIP_SIZE, i);
 557                 if (size == 0)
 558                         continue;
 559
 560                 hdmi_set_dip_index(codec, pin_nid, i, 0x0);
 561                 for (j = 1; j < 1000; j++) {
 562                         hdmi_write_dip_byte(codec, pin_nid, 0x0);
 563                         hdmi_get_dip_index(codec, pin_nid, &pi, &bi);
 564                         if (pi != i)
 565                                 codec_dbg(codec, "dip index %d: %d != %d\n",
 566                                                 bi, pi, i);
 567                         if (bi == 0) /* byte index wrapped around */
 568                                 break;
 569                 }
 570                 codec_dbg(codec,
 571                         "HDMI: DIP GP[%d] buf reported size=%d, written=%d\n",
 572                         i, size, j);
 573         }
 574 #endif
 575 }
 576
 577 static void hdmi_checksum_audio_infoframe(struct hdmi_audio_infoframe *hdmi_ai)
 578 {
 579         u8 *bytes = (u8 *)hdmi_ai;
 580         u8 sum = 0;
 581         int i;
 582
 583         hdmi_ai->checksum = 0;
 584
 585         for (i = 0; i < sizeof(*hdmi_ai); i++)
 586                 sum += bytes[i];
 587
 588         hdmi_ai->checksum = -sum;
 589 }
 590
 591 static void hdmi_fill_audio_infoframe(struct hda_codec *codec,
 592                                       hda_nid_t pin_nid,
 593                                       u8 *dip, int size)
 594 {
 595         int i;
 596
 597         hdmi_debug_dip_size(codec, pin_nid);
 598         hdmi_clear_dip_buffers(codec, pin_nid); /* be paranoid */
 599
 600         hdmi_set_dip_index(codec, pin_nid, 0x0, 0x0);
 601         for (i = 0; i < size; i++)
 602                 hdmi_write_dip_byte(codec, pin_nid, dip[i]);
 603 }
 604
 605 static bool hdmi_infoframe_uptodate(struct hda_codec *codec, hda_nid_t pin_nid,
 606                                     u8 *dip, int size)
 607 {
 608         u8 val;
 609         int i;
 610
 611         if (snd_hda_codec_read(codec, pin_nid, 0, AC_VERB_GET_HDMI_DIP_XMIT, 0)
 612                                                             != AC_DIPXMIT_BEST)
 613                 return false;
 614
 615         hdmi_set_dip_index(codec, pin_nid, 0x0, 0x0);
 616         for (i = 0; i < size; i++) {
 617                 val = snd_hda_codec_read(codec, pin_nid, 0,
 618                                          AC_VERB_GET_HDMI_DIP_DATA, 0);
 619                 if (val != dip[i])
 620                         return false;
 621         }
 622
 623         return true;
 624 }
 625
 626 static void hdmi_pin_setup_infoframe(struct hda_codec *codec,
 627                                      hda_nid_t pin_nid,
 628                                      int ca, int active_channels,
 629                                      int conn_type)
 630 {
 631         union audio_infoframe ai;
 632
 633         memset(&ai, 0, sizeof(ai));
 634         if (conn_type == 0) { /* HDMI */
 635                 struct hdmi_audio_infoframe *hdmi_ai = &ai.hdmi;
 636
 637                 hdmi_ai->type           = 0x84;
 638                 hdmi_ai->ver            = 0x01;
 639                 hdmi_ai->len            = 0x0a;
 640                 hdmi_ai->CC02_CT47      = active_channels - 1;
 641                 hdmi_ai->CA             = ca;
 642                 hdmi_checksum_audio_infoframe(hdmi_ai);
 643         } else if (conn_type == 1) { /* DisplayPort */
 644                 struct dp_audio_infoframe *dp_ai = &ai.dp;
 645
 646                 dp_ai->type             = 0x84;
 647                 dp_ai->len              = 0x1b;
 648                 dp_ai->ver              = 0x11 << 2;
 649                 dp_ai->CC02_CT47        = active_channels - 1;
 650                 dp_ai->CA               = ca;
 651         } else {
 652                 codec_dbg(codec, "HDMI: unknown connection type at pin %d\n",
 653                             pin_nid);
 654                 return;
 655         }
 656
 657         /*
 658          * sizeof(ai) is used instead of sizeof(*hdmi_ai) or
 659          * sizeof(*dp_ai) to avoid partial match/update problems when
 660          * the user switches between HDMI/DP monitors.
 661          */
 662         if (!hdmi_infoframe_uptodate(codec, pin_nid, ai.bytes,
 663                                         sizeof(ai))) {
 664                 codec_dbg(codec,
 665                           "hdmi_pin_setup_infoframe: pin=%d channels=%d ca=0x%02x\n",
 666                             pin_nid,
 667                             active_channels, ca);
 668                 hdmi_stop_infoframe_trans(codec, pin_nid);
 669                 hdmi_fill_audio_infoframe(codec, pin_nid,
 670                                             ai.bytes, sizeof(ai));
 671                 hdmi_start_infoframe_trans(codec, pin_nid);
 672         }
 673 }
 674
 675 static void hdmi_setup_audio_infoframe(struct hda_codec *codec,
 676                                        struct hdmi_spec_per_pin *per_pin,
 677                                        bool non_pcm)
 678 {
 679         struct hdmi_spec *spec = codec->spec;
 680         struct hdac_chmap *chmap = &spec->chmap;
 681         hda_nid_t pin_nid = per_pin->pin_nid;
 682         int channels = per_pin->channels;
 683         int active_channels;
 684         struct hdmi_eld *eld;
 685         int ca;
 686
 687         if (!channels)
 688                 return;
 689
 690         /* some HW (e.g. HSW+) needs reprogramming the amp at each time */
 691         if (get_wcaps(codec, pin_nid) & AC_WCAP_OUT_AMP)
 692                 snd_hda_codec_write(codec, pin_nid, 0,
 693                                             AC_VERB_SET_AMP_GAIN_MUTE,
 694                                             AMP_OUT_UNMUTE);
 695
 696         eld = &per_pin->sink_eld;
 697
 698         ca = snd_hdac_channel_allocation(&codec->core,
 699                         eld->info.spk_alloc, channels,
 700                         per_pin->chmap_set, non_pcm, per_pin->chmap);
 701
 702         active_channels = snd_hdac_get_active_channels(ca);
 703
 704         chmap->ops.set_channel_count(&codec->core, per_pin->cvt_nid,
 705                                                 active_channels);
 706
 707         /*
 708          * always configure channel mapping, it may have been changed by the
 709          * user in the meantime
 710          */
 711         snd_hdac_setup_channel_mapping(&spec->chmap,
 712                                 pin_nid, non_pcm, ca, channels,
 713                                 per_pin->chmap, per_pin->chmap_set);
 714
 715         spec->ops.pin_setup_infoframe(codec, pin_nid, ca, active_channels,
 716                                       eld->info.conn_type);
 717
 718         per_pin->non_pcm = non_pcm;
 719 }
 720
 721 /*
 722  * Unsolicited events
 723  */
 724
 725 static bool hdmi_present_sense(struct hdmi_spec_per_pin *per_pin, int repoll);
 726
 727 static void check_presence_and_report(struct hda_codec *codec, hda_nid_t nid)
 728 {
 729         struct hdmi_spec *spec = codec->spec;
 730         int pin_idx = pin_nid_to_pin_index(codec, nid);
 731
 732         if (pin_idx < 0)
 733                 return;
 734         if (hdmi_present_sense(get_pin(spec, pin_idx), 1))
 735                 snd_hda_jack_report_sync(codec);
 736 }
 737
 738 static void jack_callback(struct hda_codec *codec,
 739                           struct hda_jack_callback *jack)
 740 {
 741         check_presence_and_report(codec, jack->nid);
 742 }
 743
 744 static void hdmi_intrinsic_event(struct hda_codec *codec, unsigned int res)
 745 {
 746         int tag = res >> AC_UNSOL_RES_TAG_SHIFT;
 747         struct hda_jack_tbl *jack;
 748         int dev_entry = (res & AC_UNSOL_RES_DE) >> AC_UNSOL_RES_DE_SHIFT;
 749
 750         jack = snd_hda_jack_tbl_get_from_tag(codec, tag);
 751         if (!jack)
 752                 return;
 753         jack->jack_dirty = 1;
 754
 755         codec_dbg(codec,
 756                 "HDMI hot plug event: Codec=%d Pin=%d Device=%d Inactive=%d Presence_Detect=%d ELD_Valid=%d\n",
 757                 codec->addr, jack->nid, dev_entry, !!(res & AC_UNSOL_RES_IA),
 758                 !!(res & AC_UNSOL_RES_PD), !!(res & AC_UNSOL_RES_ELDV));
 759
 760         check_presence_and_report(codec, jack->nid);
 761 }
 762
 763 static void hdmi_non_intrinsic_event(struct hda_codec *codec, unsigned int res)
 764 {
 765         int tag = res >> AC_UNSOL_RES_TAG_SHIFT;
 766         int subtag = (res & AC_UNSOL_RES_SUBTAG) >> AC_UNSOL_RES_SUBTAG_SHIFT;
 767         int cp_state = !!(res & AC_UNSOL_RES_CP_STATE);
 768         int cp_ready = !!(res & AC_UNSOL_RES_CP_READY);
 769
 770         codec_info(codec,
 771                 "HDMI CP event: CODEC=%d TAG=%d SUBTAG=0x%x CP_STATE=%d CP_READY=%d\n",
 772                 codec->addr,
 773                 tag,
 774                 subtag,
 775                 cp_state,
 776                 cp_ready);
 777
 778         /* TODO */
 779         if (cp_state)
 780                 ;
 781         if (cp_ready)
 782                 ;
 783 }
 784
 785
 786 static void hdmi_unsol_event(struct hda_codec *codec, unsigned int res)
 787 {
 788         int tag = res >> AC_UNSOL_RES_TAG_SHIFT;
 789         int subtag = (res & AC_UNSOL_RES_SUBTAG) >> AC_UNSOL_RES_SUBTAG_SHIFT;
 790
 791         if (!snd_hda_jack_tbl_get_from_tag(codec, tag)) {
 792                 codec_dbg(codec, "Unexpected HDMI event tag 0x%x\n", tag);
 793                 return;
 794         }
 795
 796         if (subtag == 0)
 797                 hdmi_intrinsic_event(codec, res);
 798         else
 799                 hdmi_non_intrinsic_event(codec, res);
 800 }
 801
 802 static void haswell_verify_D0(struct hda_codec *codec,
 803                 hda_nid_t cvt_nid, hda_nid_t nid)
 804 {
 805         int pwr;
 806
 807         /* For Haswell, the converter 1/2 may keep in D3 state after bootup,
 808          * thus pins could only choose converter 0 for use. Make sure the
 809          * converters are in correct power state */
 810         if (!snd_hda_check_power_state(codec, cvt_nid, AC_PWRST_D0))
 811                 snd_hda_codec_write(codec, cvt_nid, 0, AC_VERB_SET_POWER_STATE, AC_PWRST_D0);
 812
 813         if (!snd_hda_check_power_state(codec, nid, AC_PWRST_D0)) {
 814                 snd_hda_codec_write(codec, nid, 0, AC_VERB_SET_POWER_STATE,
 815                                     AC_PWRST_D0);
 816                 msleep(40);
 817                 pwr = snd_hda_codec_read(codec, nid, 0, AC_VERB_GET_POWER_STATE, 0);
 818                 pwr = (pwr & AC_PWRST_ACTUAL) >> AC_PWRST_ACTUAL_SHIFT;
 819                 codec_dbg(codec, "Haswell HDMI audio: Power for pin 0x%x is now D%d\n", nid, pwr);
 820         }
 821 }
 822
 823 /*
 824  * Callbacks
 825  */
 826
 827 /* HBR should be Non-PCM, 8 channels */
 828 #define is_hbr_format(format) \
 829         ((format & AC_FMT_TYPE_NON_PCM) && (format & AC_FMT_CHAN_MASK) == 7)
 830
 831 static int hdmi_pin_hbr_setup(struct hda_codec *codec, hda_nid_t pin_nid,
 832                               bool hbr)
 833 {
 834         int pinctl, new_pinctl;
 835
 836         if (snd_hda_query_pin_caps(codec, pin_nid) & AC_PINCAP_HBR) {
 837                 pinctl = snd_hda_codec_read(codec, pin_nid, 0,
 838                                             AC_VERB_GET_PIN_WIDGET_CONTROL, 0);
 839
 840                 if (pinctl < 0)
 841                         return hbr ? -EINVAL : 0;
 842
 843                 new_pinctl = pinctl & ~AC_PINCTL_EPT;
 844                 if (hbr)
 845                         new_pinctl |= AC_PINCTL_EPT_HBR;
 846                 else
 847                         new_pinctl |= AC_PINCTL_EPT_NATIVE;
 848
 849                 codec_dbg(codec,
 850                           "hdmi_pin_hbr_setup: NID=0x%x, %spinctl=0x%x\n",
 851                             pin_nid,
 852                             pinctl == new_pinctl ? "" : "new-",
 853                             new_pinctl);
 854
 855                 if (pinctl != new_pinctl)
 856                         snd_hda_codec_write(codec, pin_nid, 0,
 857                                             AC_VERB_SET_PIN_WIDGET_CONTROL,
 858                                             new_pinctl);
 859         } else if (hbr)
 860                 return -EINVAL;
 861
 862         return 0;
 863 }
 864
 865 static int hdmi_setup_stream(struct hda_codec *codec, hda_nid_t cvt_nid,
 866                               hda_nid_t pin_nid, u32 stream_tag, int format)
 867 {
 868         struct hdmi_spec *spec = codec->spec;
 869         int err;
 870
 871         err = spec->ops.pin_hbr_setup(codec, pin_nid, is_hbr_format(format));
 872
 873         if (err) {
 874                 codec_dbg(codec, "hdmi_setup_stream: HBR is not supported\n");
 875                 return err;
 876         }
 877
 878         snd_hda_codec_setup_stream(codec, cvt_nid, stream_tag, 0, format);
 879         return 0;
 880 }
 881
 882 /* Try to find an available converter
 883  * If pin_idx is less then zero, just try to find an available converter.
 884  * Otherwise, try to find an available converter and get the cvt mux index
 885  * of the pin.
 886  */
 887 static int hdmi_choose_cvt(struct hda_codec *codec,
 888                            int pin_idx, int *cvt_id)
 889 {
 890         struct hdmi_spec *spec = codec->spec;
 891         struct hdmi_spec_per_pin *per_pin;
 892         struct hdmi_spec_per_cvt *per_cvt = NULL;
 893         int cvt_idx, mux_idx = 0;
 894
 895         /* pin_idx < 0 means no pin will be bound to the converter */
 896         if (pin_idx < 0)
 897                 per_pin = NULL;
 898         else
 899                 per_pin = get_pin(spec, pin_idx);
 900
 901         /* Dynamically assign converter to stream */
 902         for (cvt_idx = 0; cvt_idx < spec->num_cvts; cvt_idx++) {
 903                 per_cvt = get_cvt(spec, cvt_idx);
 904
 905                 /* Must not already be assigned */
 906                 if (per_cvt->assigned)
 907                         continue;
 908                 if (per_pin == NULL)
 909                         break;
 910                 /* Must be in pin's mux's list of converters */
 911                 for (mux_idx = 0; mux_idx < per_pin->num_mux_nids; mux_idx++)
 912                         if (per_pin->mux_nids[mux_idx] == per_cvt->cvt_nid)
 913                                 break;
 914                 /* Not in mux list */
 915                 if (mux_idx == per_pin->num_mux_nids)
 916                         continue;
 917                 break;
 918         }
 919
 920         /* No free converters */
 921         if (cvt_idx == spec->num_cvts)
 922                 return -EBUSY;
 923
 924         if (per_pin != NULL)
 925                 per_pin->mux_idx = mux_idx;
 926
 927         if (cvt_id)
 928                 *cvt_id = cvt_idx;
 929
 930         return 0;
 931 }
 932
 933 /* Assure the pin select the right convetor */
 934 static void intel_verify_pin_cvt_connect(struct hda_codec *codec,
 935                         struct hdmi_spec_per_pin *per_pin)
 936 {
 937         hda_nid_t pin_nid = per_pin->pin_nid;
 938         int mux_idx, curr;
 939
 940         mux_idx = per_pin->mux_idx;
 941         curr = snd_hda_codec_read(codec, pin_nid, 0,
 942                                           AC_VERB_GET_CONNECT_SEL, 0);
 943         if (curr != mux_idx)
 944                 snd_hda_codec_write_cache(codec, pin_nid, 0,
 945                                             AC_VERB_SET_CONNECT_SEL,
 946                                             mux_idx);
 947 }
 948
 949 /* get the mux index for the converter of the pins
 950  * converter's mux index is the same for all pins on Intel platform
 951  */
 952 static int intel_cvt_id_to_mux_idx(struct hdmi_spec *spec,
 953                         hda_nid_t cvt_nid)
 954 {
 955         int i;
 956
 957         for (i = 0; i < spec->num_cvts; i++)
 958                 if (spec->cvt_nids[i] == cvt_nid)
 959                         return i;
 960         return -EINVAL;
 961 }
 962
 963 /* Intel HDMI workaround to fix audio routing issue:
 964  * For some Intel display codecs, pins share the same connection list.
 965  * So a conveter can be selected by multiple pins and playback on any of these
 966  * pins will generate sound on the external display, because audio flows from
 967  * the same converter to the display pipeline. Also muting one pin may make
 968  * other pins have no sound output.
 969  * So this function assures that an assigned converter for a pin is not selected
 970  * by any other pins.
 971  */
 972 static void intel_not_share_assigned_cvt(struct hda_codec *codec,
 973                         hda_nid_t pin_nid, int mux_idx)
 974 {
 975         struct hdmi_spec *spec = codec->spec;
 976         hda_nid_t nid;
 977         int cvt_idx, curr;
 978         struct hdmi_spec_per_cvt *per_cvt;
 979
 980         /* configure all pins, including "no physical connection" ones */
 981         for_each_hda_codec_node(nid, codec) {
 982                 unsigned int wid_caps = get_wcaps(codec, nid);
 983                 unsigned int wid_type = get_wcaps_type(wid_caps);
 984
 985                 if (wid_type != AC_WID_PIN)
 986                         continue;
 987
 988                 if (nid == pin_nid)
 989                         continue;
 990
 991                 curr = snd_hda_codec_read(codec, nid, 0,
 992                                           AC_VERB_GET_CONNECT_SEL, 0);
 993                 if (curr != mux_idx)
 994                         continue;
 995
 996                 /* choose an unassigned converter. The conveters in the
 997                  * connection list are in the same order as in the codec.
 998                  */
 999                 for (cvt_idx = 0; cvt_idx < spec->num_cvts; cvt_idx++) {
1000                         per_cvt = get_cvt(spec, cvt_idx);
1001                         if (!per_cvt->assigned) {
1002                                 codec_dbg(codec,
1003                                           "choose cvt %d for pin nid %d\n",
1004                                         cvt_idx, nid);
1005                                 snd_hda_codec_write_cache(codec, nid, 0,
1006                                             AC_VERB_SET_CONNECT_SEL,
1007                                             cvt_idx);
1008                                 break;
1009                         }
1010                 }
1011         }
1012 }
1013
1014 /* A wrapper of intel_not_share_asigned_cvt() */
1015 static void intel_not_share_assigned_cvt_nid(struct hda_codec *codec,
1016                         hda_nid_t pin_nid, hda_nid_t cvt_nid)
1017 {
1018         int mux_idx;
1019         struct hdmi_spec *spec = codec->spec;
1020
1021         /* On Intel platform, the mapping of converter nid to
1022          * mux index of the pins are always the same.
1023          * The pin nid may be 0, this means all pins will not
1024          * share the converter.
1025          */
1026         mux_idx = intel_cvt_id_to_mux_idx(spec, cvt_nid);
1027         if (mux_idx >= 0)
1028                 intel_not_share_assigned_cvt(codec, pin_nid, mux_idx);
1029 }
1030
1031 /* skeleton caller of pin_cvt_fixup ops */
1032 static void pin_cvt_fixup(struct hda_codec *codec,
1033                           struct hdmi_spec_per_pin *per_pin,
1034                           hda_nid_t cvt_nid)
1035 {
1036         struct hdmi_spec *spec = codec->spec;
1037
1038         if (spec->ops.pin_cvt_fixup)
1039                 spec->ops.pin_cvt_fixup(codec, per_pin, cvt_nid);
1040 }
1041
1042 /* called in hdmi_pcm_open when no pin is assigned to the PCM
1043  * in dyn_pcm_assign mode.
1044  */
1045 static int hdmi_pcm_open_no_pin(struct hda_pcm_stream *hinfo,
1046                          struct hda_codec *codec,
1047                          struct snd_pcm_substream *substream)
1048 {
1049         struct hdmi_spec *spec = codec->spec;
1050         struct snd_pcm_runtime *runtime = substream->runtime;
1051         int cvt_idx, pcm_idx;
1052         struct hdmi_spec_per_cvt *per_cvt = NULL;
1053         int err;
1054
1055         pcm_idx = hinfo_to_pcm_index(codec, hinfo);
1056         if (pcm_idx < 0)
1057                 return -EINVAL;
1058
1059         err = hdmi_choose_cvt(codec, -1, &cvt_idx);
1060         if (err)
1061                 return err;
1062
1063         per_cvt = get_cvt(spec, cvt_idx);
1064         per_cvt->assigned = 1;
1065         hinfo->nid = per_cvt->cvt_nid;
1066
1067         pin_cvt_fixup(codec, NULL, per_cvt->cvt_nid);
1068
1069         set_bit(pcm_idx, &spec->pcm_in_use);
1070         /* todo: setup spdif ctls assign */
1071
1072         /* Initially set the converter's capabilities */
1073         hinfo->channels_min = per_cvt->channels_min;
1074         hinfo->channels_max = per_cvt->channels_max;
1075         hinfo->rates = per_cvt->rates;
1076         hinfo->formats = per_cvt->formats;
1077         hinfo->maxbps = per_cvt->maxbps;
1078
1079         /* Store the updated parameters */
1080         runtime->hw.channels_min = hinfo->channels_min;
1081         runtime->hw.channels_max = hinfo->channels_max;
1082         runtime->hw.formats = hinfo->formats;
1083         runtime->hw.rates = hinfo->rates;
1084
1085         snd_pcm_hw_constraint_step(substream->runtime, 0,
1086                                    SNDRV_PCM_HW_PARAM_CHANNELS, 2);
1087         return 0;
1088 }
1089
1090 /*
1091  * HDA PCM callbacks
1092  */
1093 static int hdmi_pcm_open(struct hda_pcm_stream *hinfo,
1094                          struct hda_codec *codec,
1095                          struct snd_pcm_substream *substream)
1096 {
1097         struct hdmi_spec *spec = codec->spec;
1098         struct snd_pcm_runtime *runtime = substream->runtime;
1099         int pin_idx, cvt_idx, pcm_idx;
1100         struct hdmi_spec_per_pin *per_pin;
1101         struct hdmi_eld *eld;
1102         struct hdmi_spec_per_cvt *per_cvt = NULL;
1103         int err;
1104
1105         /* Validate hinfo */
1106         pcm_idx = hinfo_to_pcm_index(codec, hinfo);
1107         if (pcm_idx < 0)
1108                 return -EINVAL;
1109
1110         mutex_lock(&spec->pcm_lock);
1111         pin_idx = hinfo_to_pin_index(codec, hinfo);
1112         if (!spec->dyn_pcm_assign) {
1113                 if (snd_BUG_ON(pin_idx < 0)) {
1114                         mutex_unlock(&spec->pcm_lock);
1115                         return -EINVAL;
1116                 }
1117         } else {
1118                 /* no pin is assigned to the PCM
1119                  * PA need pcm open successfully when probe
1120                  */
1121                 if (pin_idx < 0) {
1122                         err = hdmi_pcm_open_no_pin(hinfo, codec, substream);
1123                         mutex_unlock(&spec->pcm_lock);
1124                         return err;
1125                 }
1126         }
1127
1128         err = hdmi_choose_cvt(codec, pin_idx, &cvt_idx);
1129         if (err < 0) {
1130                 mutex_unlock(&spec->pcm_lock);
1131                 return err;
1132         }
1133
1134         per_cvt = get_cvt(spec, cvt_idx);
1135         /* Claim converter */
1136         per_cvt->assigned = 1;
1137
1138         set_bit(pcm_idx, &spec->pcm_in_use);
1139         per_pin = get_pin(spec, pin_idx);
1140         per_pin->cvt_nid = per_cvt->cvt_nid;
1141         hinfo->nid = per_cvt->cvt_nid;
1142
1143         snd_hda_codec_write_cache(codec, per_pin->pin_nid, 0,
1144                             AC_VERB_SET_CONNECT_SEL,
1145                             per_pin->mux_idx);
1146
1147         /* configure unused pins to choose other converters */
1148         pin_cvt_fixup(codec, per_pin, 0);
1149
1150         snd_hda_spdif_ctls_assign(codec, pcm_idx, per_cvt->cvt_nid);
1151
1152         /* Initially set the converter's capabilities */
1153         hinfo->channels_min = per_cvt->channels_min;
1154         hinfo->channels_max = per_cvt->channels_max;
1155         hinfo->rates = per_cvt->rates;
1156         hinfo->formats = per_cvt->formats;
1157         hinfo->maxbps = per_cvt->maxbps;
1158
1159         eld = &per_pin->sink_eld;
1160         /* Restrict capabilities by ELD if this isn't disabled */
1161         if (!static_hdmi_pcm && eld->eld_valid) {
1162                 snd_hdmi_eld_update_pcm_info(&eld->info, hinfo);
1163                 if (hinfo->channels_min > hinfo->channels_max ||
1164                     !hinfo->rates || !hinfo->formats) {
1165                         per_cvt->assigned = 0;
1166                         hinfo->nid = 0;
1167                         snd_hda_spdif_ctls_unassign(codec, pcm_idx);
1168                         mutex_unlock(&spec->pcm_lock);
1169                         return -ENODEV;
1170                 }
1171         }
1172
1173         mutex_unlock(&spec->pcm_lock);
1174         /* Store the updated parameters */
1175         runtime->hw.channels_min = hinfo->channels_min;
1176         runtime->hw.channels_max = hinfo->channels_max;
1177         runtime->hw.formats = hinfo->formats;
1178         runtime->hw.rates = hinfo->rates;
1179
1180         snd_pcm_hw_constraint_step(substream->runtime, 0,
1181                                    SNDRV_PCM_HW_PARAM_CHANNELS, 2);
1182         return 0;
1183 }
1184
1185 /*
1186  * HDA/HDMI auto parsing
1187  */
1188 static int hdmi_read_pin_conn(struct hda_codec *codec, int pin_idx)
1189 {
1190         struct hdmi_spec *spec = codec->spec;
1191         struct hdmi_spec_per_pin *per_pin = get_pin(spec, pin_idx);
1192         hda_nid_t pin_nid = per_pin->pin_nid;
1193
1194         if (!(get_wcaps(codec, pin_nid) & AC_WCAP_CONN_LIST)) {
1195                 codec_warn(codec,
1196                            "HDMI: pin %d wcaps %#x does not support connection list\n",
1197                            pin_nid, get_wcaps(codec, pin_nid));
1198                 return -EINVAL;
1199         }
1200
1201         per_pin->num_mux_nids = snd_hda_get_connections(codec, pin_nid,
1202                                                         per_pin->mux_nids,
1203                                                         HDA_MAX_CONNECTIONS);
1204
1205         return 0;
1206 }
1207
1208 static int hdmi_find_pcm_slot(struct hdmi_spec *spec,
1209                                 struct hdmi_spec_per_pin *per_pin)
1210 {
1211         int i;
1212
1213         /* try the prefer PCM */
1214         if (!test_bit(per_pin->pin_nid_idx, &spec->pcm_bitmap))
1215                 return per_pin->pin_nid_idx;
1216
1217         /* have a second try; check the "reserved area" over num_pins */
1218         for (i = spec->num_pins; i < spec->pcm_used; i++) {
1219                 if (!test_bit(i, &spec->pcm_bitmap))
1220                         return i;
1221         }
1222
1223         /* the last try; check the empty slots in pins */
1224         for (i = 0; i < spec->num_pins; i++) {
1225                 if (!test_bit(i, &spec->pcm_bitmap))
1226                         return i;
1227         }
1228         return -EBUSY;
1229 }
1230
1231 static void hdmi_attach_hda_pcm(struct hdmi_spec *spec,
1232                                 struct hdmi_spec_per_pin *per_pin)
1233 {
1234         int idx;
1235
1236         /* pcm already be attached to the pin */
1237         if (per_pin->pcm)
1238                 return;
1239         idx = hdmi_find_pcm_slot(spec, per_pin);
1240         if (idx == -EBUSY)
1241                 return;
1242         per_pin->pcm_idx = idx;
1243         per_pin->pcm = get_hdmi_pcm(spec, idx);
1244         set_bit(idx, &spec->pcm_bitmap);
1245 }
1246
1247 static void hdmi_detach_hda_pcm(struct hdmi_spec *spec,
1248                                 struct hdmi_spec_per_pin *per_pin)
1249 {
1250         int idx;
1251
1252         /* pcm already be detached from the pin */
1253         if (!per_pin->pcm)
1254                 return;
1255         idx = per_pin->pcm_idx;
1256         per_pin->pcm_idx = -1;
1257         per_pin->pcm = NULL;
1258         if (idx >= 0 && idx < spec->pcm_used)
1259                 clear_bit(idx, &spec->pcm_bitmap);
1260 }
1261
1262 static int hdmi_get_pin_cvt_mux(struct hdmi_spec *spec,
1263                 struct hdmi_spec_per_pin *per_pin, hda_nid_t cvt_nid)
1264 {
1265         int mux_idx;
1266
1267         for (mux_idx = 0; mux_idx < per_pin->num_mux_nids; mux_idx++)
1268                 if (per_pin->mux_nids[mux_idx] == cvt_nid)
1269                         break;
1270         return mux_idx;
1271 }
1272
1273 static bool check_non_pcm_per_cvt(struct hda_codec *codec, hda_nid_t cvt_nid);
1274
1275 static void hdmi_pcm_setup_pin(struct hdmi_spec *spec,
1276                            struct hdmi_spec_per_pin *per_pin)
1277 {
1278         struct hda_codec *codec = per_pin->codec;
1279         struct hda_pcm *pcm;
1280         struct hda_pcm_stream *hinfo;
1281         struct snd_pcm_substream *substream;
1282         int mux_idx;
1283         bool non_pcm;
1284
1285         if (per_pin->pcm_idx >= 0 && per_pin->pcm_idx < spec->pcm_used)
1286                 pcm = get_pcm_rec(spec, per_pin->pcm_idx);
1287         else
1288                 return;
1289         if (!test_bit(per_pin->pcm_idx, &spec->pcm_in_use))
1290                 return;
1291
1292         /* hdmi audio only uses playback and one substream */
1293         hinfo = pcm->stream;
1294         substream = pcm->pcm->streams[0].substream;
1295
1296         per_pin->cvt_nid = hinfo->nid;
1297
1298         mux_idx = hdmi_get_pin_cvt_mux(spec, per_pin, hinfo->nid);
1299         if (mux_idx < per_pin->num_mux_nids)
1300                 snd_hda_codec_write_cache(codec, per_pin->pin_nid, 0,
1301                                 AC_VERB_SET_CONNECT_SEL,
1302                                 mux_idx);
1303         snd_hda_spdif_ctls_assign(codec, per_pin->pcm_idx, hinfo->nid);
1304
1305         non_pcm = check_non_pcm_per_cvt(codec, hinfo->nid);
1306         if (substream->runtime)
1307                 per_pin->channels = substream->runtime->channels;
1308         per_pin->setup = true;
1309         per_pin->mux_idx = mux_idx;
1310
1311         hdmi_setup_audio_infoframe(codec, per_pin, non_pcm);
1312 }
1313
1314 static void hdmi_pcm_reset_pin(struct hdmi_spec *spec,
1315                            struct hdmi_spec_per_pin *per_pin)
1316 {
1317         if (per_pin->pcm_idx >= 0 && per_pin->pcm_idx < spec->pcm_used)
1318                 snd_hda_spdif_ctls_unassign(per_pin->codec, per_pin->pcm_idx);
1319
1320         per_pin->chmap_set = false;
1321         memset(per_pin->chmap, 0, sizeof(per_pin->chmap));
1322
1323         per_pin->setup = false;
1324         per_pin->channels = 0;
1325 }
1326
1327 /* update per_pin ELD from the given new ELD;
1328  * setup info frame and notification accordingly
1329  */
1330 static void update_eld(struct hda_codec *codec,
1331                        struct hdmi_spec_per_pin *per_pin,
1332                        struct hdmi_eld *eld)
1333 {
1334         struct hdmi_eld *pin_eld = &per_pin->sink_eld;
1335         struct hdmi_spec *spec = codec->spec;
1336         bool old_eld_valid = pin_eld->eld_valid;
1337         bool eld_changed;
1338         int pcm_idx = -1;
1339
1340         /* for monitor disconnection, save pcm_idx firstly */
1341         pcm_idx = per_pin->pcm_idx;
1342         if (spec->dyn_pcm_assign) {
1343                 if (eld->eld_valid) {
1344                         hdmi_attach_hda_pcm(spec, per_pin);
1345                         hdmi_pcm_setup_pin(spec, per_pin);
1346                 } else {
1347                         hdmi_pcm_reset_pin(spec, per_pin);
1348                         hdmi_detach_hda_pcm(spec, per_pin);
1349                 }
1350         }
1351         /* if pcm_idx == -1, it means this is in monitor connection event
1352          * we can get the correct pcm_idx now.
1353          */
1354         if (pcm_idx == -1)
1355                 pcm_idx = per_pin->pcm_idx;
1356
1357         if (eld->eld_valid)
1358                 snd_hdmi_show_eld(codec, &eld->info);
1359
1360         eld_changed = (pin_eld->eld_valid != eld->eld_valid);
1361         if (eld->eld_valid && pin_eld->eld_valid)
1362                 if (pin_eld->eld_size != eld->eld_size ||
1363                     memcmp(pin_eld->eld_buffer, eld->eld_buffer,
1364                            eld->eld_size) != 0)
1365                         eld_changed = true;
1366
1367         pin_eld->monitor_present = eld->monitor_present;
1368         pin_eld->eld_valid = eld->eld_valid;
1369         pin_eld->eld_size = eld->eld_size;
1370         if (eld->eld_valid)
1371                 memcpy(pin_eld->eld_buffer, eld->eld_buffer, eld->eld_size);
1372         pin_eld->info = eld->info;
1373
1374         /*
1375          * Re-setup pin and infoframe. This is needed e.g. when
1376          * - sink is first plugged-in
1377          * - transcoder can change during stream playback on Haswell
1378          *   and this can make HW reset converter selection on a pin.
1379          */
1380         if (eld->eld_valid && !old_eld_valid && per_pin->setup) {
1381                 pin_cvt_fixup(codec, per_pin, 0);
1382                 hdmi_setup_audio_infoframe(codec, per_pin, per_pin->non_pcm);
1383         }
1384
1385         if (eld_changed && pcm_idx >= 0)
1386                 snd_ctl_notify(codec->card,
1387                                SNDRV_CTL_EVENT_MASK_VALUE |
1388                                SNDRV_CTL_EVENT_MASK_INFO,
1389                                &get_hdmi_pcm(spec, pcm_idx)->eld_ctl->id);
1390 }
1391
1392 /* update ELD and jack state via HD-audio verbs */
1393 static bool hdmi_present_sense_via_verbs(struct hdmi_spec_per_pin *per_pin,
1394                                          int repoll)
1395 {
1396         struct hda_jack_tbl *jack;
1397         struct hda_codec *codec = per_pin->codec;
1398         struct hdmi_spec *spec = codec->spec;
1399         struct hdmi_eld *eld = &spec->temp_eld;
1400         hda_nid_t pin_nid = per_pin->pin_nid;
1401         /*
1402          * Always execute a GetPinSense verb here, even when called from
1403          * hdmi_intrinsic_event; for some NVIDIA HW, the unsolicited
1404          * response's PD bit is not the real PD value, but indicates that
1405          * the real PD value changed. An older version of the HD-audio
1406          * specification worked this way. Hence, we just ignore the data in
1407          * the unsolicited response to avoid custom WARs.
1408          */
1409         int present;
1410         bool ret;
1411         bool do_repoll = false;
1412
1413         present = snd_hda_pin_sense(codec, pin_nid);
1414
1415         mutex_lock(&per_pin->lock);
1416         eld->monitor_present = !!(present & AC_PINSENSE_PRESENCE);
1417         if (eld->monitor_present)
1418                 eld->eld_valid  = !!(present & AC_PINSENSE_ELDV);
1419         else
1420                 eld->eld_valid = false;
1421
1422         codec_dbg(codec,
1423                 "HDMI status: Codec=%d Pin=%d Presence_Detect=%d ELD_Valid=%d\n",
1424                 codec->addr, pin_nid, eld->monitor_present, eld->eld_valid);
1425
1426         if (eld->eld_valid) {
1427                 if (spec->ops.pin_get_eld(codec, pin_nid, eld->eld_buffer,
1428                                                      &eld->eld_size) < 0)
1429                         eld->eld_valid = false;
1430                 else {
1431                         if (snd_hdmi_parse_eld(codec, &eld->info, eld->eld_buffer,
1432                                                     eld->eld_size) < 0)
1433                                 eld->eld_valid = false;
1434                 }
1435                 if (!eld->eld_valid && repoll)
1436                         do_repoll = true;
1437         }
1438
1439         if (do_repoll)
1440                 schedule_delayed_work(&per_pin->work, msecs_to_jiffies(300));
1441         else
1442                 update_eld(codec, per_pin, eld);
1443
1444         ret = !repoll || !eld->monitor_present || eld->eld_valid;
1445
1446         jack = snd_hda_jack_tbl_get(codec, pin_nid);
1447         if (jack)
1448                 jack->block_report = !ret;
1449
1450         mutex_unlock(&per_pin->lock);
1451         return ret;
1452 }
1453
1454 static struct snd_jack *pin_idx_to_jack(struct hda_codec *codec,
1455                                  struct hdmi_spec_per_pin *per_pin)
1456 {
1457         struct hdmi_spec *spec = codec->spec;
1458         struct snd_jack *jack = NULL;
1459         struct hda_jack_tbl *jack_tbl;
1460
1461         /* if !dyn_pcm_assign, get jack from hda_jack_tbl
1462          * in !dyn_pcm_assign case, spec->pcm_rec[].jack is not
1463          * NULL even after snd_hda_jack_tbl_clear() is called to
1464          * free snd_jack. This may cause access invalid memory
1465          * when calling snd_jack_report
1466          */
1467         if (per_pin->pcm_idx >= 0 && spec->dyn_pcm_assign)
1468                 jack = spec->pcm_rec[per_pin->pcm_idx].jack;
1469         else if (!spec->dyn_pcm_assign) {
1470                 jack_tbl = snd_hda_jack_tbl_get(codec, per_pin->pin_nid);
1471                 if (jack_tbl)
1472                         jack = jack_tbl->jack;
1473         }
1474         return jack;
1475 }
1476
1477 /* update ELD and jack state via audio component */
1478 static void sync_eld_via_acomp(struct hda_codec *codec,
1479                                struct hdmi_spec_per_pin *per_pin)
1480 {
1481         struct hdmi_spec *spec = codec->spec;
1482         struct hdmi_eld *eld = &spec->temp_eld;
1483         struct snd_jack *jack = NULL;
1484         int size;
1485
1486         mutex_lock(&per_pin->lock);
1487         eld->monitor_present = false;
1488         size = snd_hdac_acomp_get_eld(&codec->core, per_pin->pin_nid, -1,
1489                                       &eld->monitor_present, eld->eld_buffer,
1490                                       ELD_MAX_SIZE);
1491         if (size > 0) {
1492                 size = min(size, ELD_MAX_SIZE);
1493                 if (snd_hdmi_parse_eld(codec, &eld->info,
1494                                        eld->eld_buffer, size) < 0)
1495                         size = -EINVAL;
1496         }
1497
1498         if (size > 0) {
1499                 eld->eld_valid = true;
1500                 eld->eld_size = size;
1501         } else {
1502                 eld->eld_valid = false;
1503                 eld->eld_size = 0;
1504         }
1505
1506         /* pcm_idx >=0 before update_eld() means it is in monitor
1507          * disconnected event. Jack must be fetched before update_eld()
1508          */
1509         jack = pin_idx_to_jack(codec, per_pin);
1510         update_eld(codec, per_pin, eld);
1511         if (jack == NULL)
1512                 jack = pin_idx_to_jack(codec, per_pin);
1513         if (jack == NULL)
1514                 goto unlock;
1515         snd_jack_report(jack,
1516                         eld->monitor_present ? SND_JACK_AVOUT : 0);
1517  unlock:
1518         mutex_unlock(&per_pin->lock);
1519 }
1520
1521 static bool hdmi_present_sense(struct hdmi_spec_per_pin *per_pin, int repoll)
1522 {
1523         struct hda_codec *codec = per_pin->codec;
1524         struct hdmi_spec *spec = codec->spec;
1525         int ret;
1526
1527         /* no temporary power up/down needed for component notifier */
1528         if (!codec_has_acomp(codec))
1529                 snd_hda_power_up_pm(codec);
1530
1531         mutex_lock(&spec->pcm_lock);
1532         if (codec_has_acomp(codec)) {
1533                 sync_eld_via_acomp(codec, per_pin);
1534                 ret = false; /* don't call snd_hda_jack_report_sync() */
1535         } else {
1536                 ret = hdmi_present_sense_via_verbs(per_pin, repoll);
1537         }
1538         mutex_unlock(&spec->pcm_lock);
1539
1540         if (!codec_has_acomp(codec))
1541                 snd_hda_power_down_pm(codec);
1542
1543         return ret;
1544 }
1545
1546 static void hdmi_repoll_eld(struct work_struct *work)
1547 {
1548         struct hdmi_spec_per_pin *per_pin =
1549         container_of(to_delayed_work(work), struct hdmi_spec_per_pin, work);
1550
1551         if (per_pin->repoll_count++ > 6)
1552                 per_pin->repoll_count = 0;
1553
1554         if (hdmi_present_sense(per_pin, per_pin->repoll_count))
1555                 snd_hda_jack_report_sync(per_pin->codec);
1556 }
1557
1558 static void intel_haswell_fixup_connect_list(struct hda_codec *codec,
1559                                              hda_nid_t nid);
1560
1561 static int hdmi_add_pin(struct hda_codec *codec, hda_nid_t pin_nid)
1562 {
1563         struct hdmi_spec *spec = codec->spec;
1564         unsigned int caps, config;
1565         int pin_idx;
1566         struct hdmi_spec_per_pin *per_pin;
1567         int err;
1568
1569         caps = snd_hda_query_pin_caps(codec, pin_nid);
1570         if (!(caps & (AC_PINCAP_HDMI | AC_PINCAP_DP)))
1571                 return 0;
1572
1573         config = snd_hda_codec_get_pincfg(codec, pin_nid);
1574         if (get_defcfg_connect(config) == AC_JACK_PORT_NONE)
1575                 return 0;
1576
1577         if (is_haswell_plus(codec))
1578                 intel_haswell_fixup_connect_list(codec, pin_nid);
1579
1580         pin_idx = spec->num_pins;
1581         per_pin = snd_array_new(&spec->pins);
1582         if (!per_pin)
1583                 return -ENOMEM;
1584
1585         per_pin->pin_nid = pin_nid;
1586         per_pin->non_pcm = false;
1587         if (spec->dyn_pcm_assign)
1588                 per_pin->pcm_idx = -1;
1589         else {
1590                 per_pin->pcm = get_hdmi_pcm(spec, pin_idx);
1591                 per_pin->pcm_idx = pin_idx;
1592         }
1593         per_pin->pin_nid_idx = pin_idx;
1594
1595         err = hdmi_read_pin_conn(codec, pin_idx);
1596         if (err < 0)
1597                 return err;
1598
1599         spec->num_pins++;
1600
1601         return 0;
1602 }
1603
1604 static int hdmi_add_cvt(struct hda_codec *codec, hda_nid_t cvt_nid)
1605 {
1606         struct hdmi_spec *spec = codec->spec;
1607         struct hdmi_spec_per_cvt *per_cvt;
1608         unsigned int chans;
1609         int err;
1610
1611         chans = get_wcaps(codec, cvt_nid);
1612         chans = get_wcaps_channels(chans);
1613
1614         per_cvt = snd_array_new(&spec->cvts);
1615         if (!per_cvt)
1616                 return -ENOMEM;
1617
1618         per_cvt->cvt_nid = cvt_nid;
1619         per_cvt->channels_min = 2;
1620         if (chans <= 16) {
1621                 per_cvt->channels_max = chans;
1622                 if (chans > spec->chmap.channels_max)
1623                         spec->chmap.channels_max = chans;
1624         }
1625
1626         err = snd_hda_query_supported_pcm(codec, cvt_nid,
1627                                           &per_cvt->rates,
1628                                           &per_cvt->formats,
1629                                           &per_cvt->maxbps);
1630         if (err < 0)
1631                 return err;
1632
1633         if (spec->num_cvts < ARRAY_SIZE(spec->cvt_nids))
1634                 spec->cvt_nids[spec->num_cvts] = cvt_nid;
1635         spec->num_cvts++;
1636
1637         return 0;
1638 }
1639
1640 static int hdmi_parse_codec(struct hda_codec *codec)
1641 {
1642         hda_nid_t nid;
1643         int i, nodes;
1644
1645         nodes = snd_hda_get_sub_nodes(codec, codec->core.afg, &nid);
1646         if (!nid || nodes < 0) {
1647                 codec_warn(codec, "HDMI: failed to get afg sub nodes\n");
1648                 return -EINVAL;
1649         }
1650
1651         for (i = 0; i < nodes; i++, nid++) {
1652                 unsigned int caps;
1653                 unsigned int type;
1654
1655                 caps = get_wcaps(codec, nid);
1656                 type = get_wcaps_type(caps);
1657
1658                 if (!(caps & AC_WCAP_DIGITAL))
1659                         continue;
1660
1661                 switch (type) {
1662                 case AC_WID_AUD_OUT:
1663                         hdmi_add_cvt(codec, nid);
1664                         break;
1665                 case AC_WID_PIN:
1666                         hdmi_add_pin(codec, nid);
1667                         break;
1668                 }
1669         }
1670
1671         return 0;
1672 }
1673
1674 /*
1675  */
1676 static bool check_non_pcm_per_cvt(struct hda_codec *codec, hda_nid_t cvt_nid)
1677 {
1678         struct hda_spdif_out *spdif;
1679         bool non_pcm;
1680
1681         mutex_lock(&codec->spdif_mutex);
1682         spdif = snd_hda_spdif_out_of_nid(codec, cvt_nid);
1683         /* Add sanity check to pass klockwork check.
1684          * This should never happen.
1685          */
1686         if (WARN_ON(spdif == NULL))
1687                 return true;
1688         non_pcm = !!(spdif->status & IEC958_AES0_NONAUDIO);
1689         mutex_unlock(&codec->spdif_mutex);
1690         return non_pcm;
1691 }
1692
1693 /*
1694  * HDMI callbacks
1695  */
1696
1697 static int generic_hdmi_playback_pcm_prepare(struct hda_pcm_stream *hinfo,
1698                                            struct hda_codec *codec,
1699                                            unsigned int stream_tag,
1700                                            unsigned int format,
1701                                            struct snd_pcm_substream *substream)
1702 {
1703         hda_nid_t cvt_nid = hinfo->nid;
1704         struct hdmi_spec *spec = codec->spec;
1705         int pin_idx;
1706         struct hdmi_spec_per_pin *per_pin;
1707         hda_nid_t pin_nid;
1708         struct snd_pcm_runtime *runtime = substream->runtime;
1709         bool non_pcm;
1710         int pinctl;
1711         int err;
1712
1713         mutex_lock(&spec->pcm_lock);
1714         pin_idx = hinfo_to_pin_index(codec, hinfo);
1715         if (spec->dyn_pcm_assign && pin_idx < 0) {
1716                 /* when dyn_pcm_assign and pcm is not bound to a pin
1717                  * skip pin setup and return 0 to make audio playback
1718                  * be ongoing
1719                  */
1720                 pin_cvt_fixup(codec, NULL, cvt_nid);
1721                 snd_hda_codec_setup_stream(codec, cvt_nid,
1722                                         stream_tag, 0, format);
1723                 mutex_unlock(&spec->pcm_lock);
1724                 return 0;
1725         }
1726
1727         if (snd_BUG_ON(pin_idx < 0)) {
1728                 mutex_unlock(&spec->pcm_lock);
1729                 return -EINVAL;
1730         }
1731         per_pin = get_pin(spec, pin_idx);
1732         pin_nid = per_pin->pin_nid;
1733
1734         /* Verify pin:cvt selections to avoid silent audio after S3.
1735          * After S3, the audio driver restores pin:cvt selections
1736          * but this can happen before gfx is ready and such selection
1737          * is overlooked by HW. Thus multiple pins can share a same
1738          * default convertor and mute control will affect each other,
1739          * which can cause a resumed audio playback become silent
1740          * after S3.
1741          */
1742         pin_cvt_fixup(codec, per_pin, 0);
1743
1744         /* Call sync_audio_rate to set the N/CTS/M manually if necessary */
1745         /* Todo: add DP1.2 MST audio support later */
1746         if (codec_has_acomp(codec))
1747                 snd_hdac_sync_audio_rate(&codec->core, pin_nid, -1,
1748                                          runtime->rate);
1749
1750         non_pcm = check_non_pcm_per_cvt(codec, cvt_nid);
1751         mutex_lock(&per_pin->lock);
1752         per_pin->channels = substream->runtime->channels;
1753         per_pin->setup = true;
1754
1755         hdmi_setup_audio_infoframe(codec, per_pin, non_pcm);
1756         mutex_unlock(&per_pin->lock);
1757         if (spec->dyn_pin_out) {
1758                 pinctl = snd_hda_codec_read(codec, pin_nid, 0,
1759                                             AC_VERB_GET_PIN_WIDGET_CONTROL, 0);
1760                 snd_hda_codec_write(codec, pin_nid, 0,
1761                                     AC_VERB_SET_PIN_WIDGET_CONTROL,
1762                                     pinctl | PIN_OUT);
1763         }
1764
1765         err = spec->ops.setup_stream(codec, cvt_nid, pin_nid,
1766                                  stream_tag, format);
1767         mutex_unlock(&spec->pcm_lock);
1768         return err;
1769 }
1770
1771 static int generic_hdmi_playback_pcm_cleanup(struct hda_pcm_stream *hinfo,
1772                                              struct hda_codec *codec,
1773                                              struct snd_pcm_substream *substream)
1774 {
1775         snd_hda_codec_cleanup_stream(codec, hinfo->nid);
1776         return 0;
1777 }
1778
1779 static int hdmi_pcm_close(struct hda_pcm_stream *hinfo,
1780                           struct hda_codec *codec,
1781                           struct snd_pcm_substream *substream)
1782 {
1783         struct hdmi_spec *spec = codec->spec;
1784         int cvt_idx, pin_idx, pcm_idx;
1785         struct hdmi_spec_per_cvt *per_cvt;
1786         struct hdmi_spec_per_pin *per_pin;
1787         int pinctl;
1788
1789         if (hinfo->nid) {
1790                 pcm_idx = hinfo_to_pcm_index(codec, hinfo);
1791                 if (snd_BUG_ON(pcm_idx < 0))
1792                         return -EINVAL;
1793                 cvt_idx = cvt_nid_to_cvt_index(codec, hinfo->nid);
1794                 if (snd_BUG_ON(cvt_idx < 0))
1795                         return -EINVAL;
1796                 per_cvt = get_cvt(spec, cvt_idx);
1797
1798                 snd_BUG_ON(!per_cvt->assigned);
1799                 per_cvt->assigned = 0;
1800                 hinfo->nid = 0;
1801
1802                 mutex_lock(&spec->pcm_lock);
1803                 snd_hda_spdif_ctls_unassign(codec, pcm_idx);
1804                 clear_bit(pcm_idx, &spec->pcm_in_use);
1805                 pin_idx = hinfo_to_pin_index(codec, hinfo);
1806                 if (spec->dyn_pcm_assign && pin_idx < 0) {
1807                         mutex_unlock(&spec->pcm_lock);
1808                         return 0;
1809                 }
1810
1811                 if (snd_BUG_ON(pin_idx < 0)) {
1812                         mutex_unlock(&spec->pcm_lock);
1813                         return -EINVAL;
1814                 }
1815                 per_pin = get_pin(spec, pin_idx);
1816
1817                 if (spec->dyn_pin_out) {
1818                         pinctl = snd_hda_codec_read(codec, per_pin->pin_nid, 0,
1819                                         AC_VERB_GET_PIN_WIDGET_CONTROL, 0);
1820                         snd_hda_codec_write(codec, per_pin->pin_nid, 0,
1821                                             AC_VERB_SET_PIN_WIDGET_CONTROL,
1822                                             pinctl & ~PIN_OUT);
1823                 }
1824
1825                 mutex_lock(&per_pin->lock);
1826                 per_pin->chmap_set = false;
1827                 memset(per_pin->chmap, 0, sizeof(per_pin->chmap));
1828
1829                 per_pin->setup = false;
1830                 per_pin->channels = 0;
1831                 mutex_unlock(&per_pin->lock);
1832                 mutex_unlock(&spec->pcm_lock);
1833         }
1834
1835         return 0;
1836 }
1837
1838 static const struct hda_pcm_ops generic_ops = {
1839         .open = hdmi_pcm_open,
1840         .close = hdmi_pcm_close,
1841         .prepare = generic_hdmi_playback_pcm_prepare,
1842         .cleanup = generic_hdmi_playback_pcm_cleanup,
1843 };
1844
1845 static int hdmi_get_spk_alloc(struct hdac_device *hdac, int pcm_idx)
1846 {
1847         struct hda_codec *codec = container_of(hdac, struct hda_codec, core);
1848         struct hdmi_spec *spec = codec->spec;
1849         struct hdmi_spec_per_pin *per_pin = pcm_idx_to_pin(spec, pcm_idx);
1850
1851         if (!per_pin)
1852                 return 0;
1853
1854         return per_pin->sink_eld.info.spk_alloc;
1855 }
1856
1857 static void hdmi_get_chmap(struct hdac_device *hdac, int pcm_idx,
1858                                         unsigned char *chmap)
1859 {
1860         struct hda_codec *codec = container_of(hdac, struct hda_codec, core);
1861         struct hdmi_spec *spec = codec->spec;
1862         struct hdmi_spec_per_pin *per_pin = pcm_idx_to_pin(spec, pcm_idx);
1863
1864         /* chmap is already set to 0 in caller */
1865         if (!per_pin)
1866                 return;
1867
1868         memcpy(chmap, per_pin->chmap, ARRAY_SIZE(per_pin->chmap));
1869 }
1870
1871 static void hdmi_set_chmap(struct hdac_device *hdac, int pcm_idx,
1872                                 unsigned char *chmap, int prepared)
1873 {
1874         struct hda_codec *codec = container_of(hdac, struct hda_codec, core);
1875         struct hdmi_spec *spec = codec->spec;
1876         struct hdmi_spec_per_pin *per_pin = pcm_idx_to_pin(spec, pcm_idx);
1877
1878         if (!per_pin)
1879                 return;
1880         mutex_lock(&per_pin->lock);
1881         per_pin->chmap_set = true;
1882         memcpy(per_pin->chmap, chmap, ARRAY_SIZE(per_pin->chmap));
1883         if (prepared)
1884                 hdmi_setup_audio_infoframe(codec, per_pin, per_pin->non_pcm);
1885         mutex_unlock(&per_pin->lock);
1886 }
1887
1888 static bool is_hdmi_pcm_attached(struct hdac_device *hdac, int pcm_idx)
1889 {
1890         struct hda_codec *codec = container_of(hdac, struct hda_codec, core);
1891         struct hdmi_spec *spec = codec->spec;
1892         struct hdmi_spec_per_pin *per_pin = pcm_idx_to_pin(spec, pcm_idx);
1893
1894         return per_pin ? true:false;
1895 }
1896
1897 static int generic_hdmi_build_pcms(struct hda_codec *codec)
1898 {
1899         struct hdmi_spec *spec = codec->spec;
1900         int pin_idx;
1901
1902         for (pin_idx = 0; pin_idx < spec->num_pins; pin_idx++) {
1903                 struct hda_pcm *info;
1904                 struct hda_pcm_stream *pstr;
1905
1906                 info = snd_hda_codec_pcm_new(codec, "HDMI %d", pin_idx);
1907                 if (!info)
1908                         return -ENOMEM;
1909
1910                 spec->pcm_rec[pin_idx].pcm = info;
1911                 spec->pcm_used++;
1912                 info->pcm_type = HDA_PCM_TYPE_HDMI;
1913                 info->own_chmap = true;
1914
1915                 pstr = &info->stream[SNDRV_PCM_STREAM_PLAYBACK];
1916                 pstr->substreams = 1;
1917                 pstr->ops = generic_ops;
1918                 /* other pstr fields are set in open */
1919         }
1920
1921         return 0;
1922 }
1923
1924 static void free_hdmi_jack_priv(struct snd_jack *jack)
1925 {
1926         struct hdmi_pcm *pcm = jack->private_data;
1927
1928         pcm->jack = NULL;
1929 }
1930
1931 static int add_hdmi_jack_kctl(struct hda_codec *codec,
1932                                struct hdmi_spec *spec,
1933                                int pcm_idx,
1934                                const char *name)
1935 {
1936         struct snd_jack *jack;
1937         int err;
1938
1939         err = snd_jack_new(codec->card, name, SND_JACK_AVOUT, &jack,
1940                            true, false);
1941         if (err < 0)
1942                 return err;
1943
1944         spec->pcm_rec[pcm_idx].jack = jack;
1945         jack->private_data = &spec->pcm_rec[pcm_idx];
1946         jack->private_free = free_hdmi_jack_priv;
1947         return 0;
1948 }
1949
1950 static int generic_hdmi_build_jack(struct hda_codec *codec, int pcm_idx)
1951 {
1952         char hdmi_str[32] = "HDMI/DP";
1953         struct hdmi_spec *spec = codec->spec;
1954         struct hdmi_spec_per_pin *per_pin;
1955         struct hda_jack_tbl *jack;
1956         int pcmdev = get_pcm_rec(spec, pcm_idx)->device;
1957         bool phantom_jack;
1958         int ret;
1959
1960         if (pcmdev > 0)
1961                 sprintf(hdmi_str + strlen(hdmi_str), ",pcm=%d", pcmdev);
1962
1963         if (spec->dyn_pcm_assign)
1964                 return add_hdmi_jack_kctl(codec, spec, pcm_idx, hdmi_str);
1965
1966         /* for !dyn_pcm_assign, we still use hda_jack for compatibility */
1967         /* if !dyn_pcm_assign, it must be non-MST mode.
1968          * This means pcms and pins are statically mapped.
1969          * And pcm_idx is pin_idx.
1970          */
1971         per_pin = get_pin(spec, pcm_idx);
1972         phantom_jack = !is_jack_detectable(codec, per_pin->pin_nid);
1973         if (phantom_jack)
1974                 strncat(hdmi_str, " Phantom",
1975                         sizeof(hdmi_str) - strlen(hdmi_str) - 1);
1976         ret = snd_hda_jack_add_kctl(codec, per_pin->pin_nid, hdmi_str,
1977                                     phantom_jack);
1978         if (ret < 0)
1979                 return ret;
1980         jack = snd_hda_jack_tbl_get(codec, per_pin->pin_nid);
1981         if (jack == NULL)
1982                 return 0;
1983         /* assign jack->jack to pcm_rec[].jack to
1984          * align with dyn_pcm_assign mode
1985          */
1986         spec->pcm_rec[pcm_idx].jack = jack->jack;
1987         return 0;
1988 }
1989
1990 static int generic_hdmi_build_controls(struct hda_codec *codec)
1991 {
1992         struct hdmi_spec *spec = codec->spec;
1993         int err;
1994         int pin_idx, pcm_idx;
1995
1996
1997         for (pcm_idx = 0; pcm_idx < spec->pcm_used; pcm_idx++) {
1998                 err = generic_hdmi_build_jack(codec, pcm_idx);
1999                 if (err < 0)
2000                         return err;
2001
2002                 /* create the spdif for each pcm
2003                  * pin will be bound when monitor is connected
2004                  */
2005                 if (spec->dyn_pcm_assign)
2006                         err = snd_hda_create_dig_out_ctls(codec,
2007                                           0, spec->cvt_nids[0],
2008                                           HDA_PCM_TYPE_HDMI);
2009                 else {
2010                         struct hdmi_spec_per_pin *per_pin =
2011                                 get_pin(spec, pcm_idx);
2012                         err = snd_hda_create_dig_out_ctls(codec,
2013                                                   per_pin->pin_nid,
2014                                                   per_pin->mux_nids[0],
2015                                                   HDA_PCM_TYPE_HDMI);
2016                 }
2017                 if (err < 0)
2018                         return err;
2019                 snd_hda_spdif_ctls_unassign(codec, pcm_idx);
2020
2021                 /* add control for ELD Bytes */
2022                 err = hdmi_create_eld_ctl(codec, pcm_idx,
2023                                         get_pcm_rec(spec, pcm_idx)->device);
2024                 if (err < 0)
2025                         return err;
2026         }
2027
2028         for (pin_idx = 0; pin_idx < spec->num_pins; pin_idx++) {
2029                 struct hdmi_spec_per_pin *per_pin = get_pin(spec, pin_idx);
2030
2031                 hdmi_present_sense(per_pin, 0);
2032         }
2033
2034         /* add channel maps */
2035         for (pcm_idx = 0; pcm_idx < spec->pcm_used; pcm_idx++) {
2036                 struct hda_pcm *pcm;
2037
2038                 pcm = get_pcm_rec(spec, pcm_idx);
2039                 if (!pcm || !pcm->pcm)
2040                         break;
2041                 err = snd_hdac_add_chmap_ctls(pcm->pcm, pcm_idx, &spec->chmap);
2042                 if (err < 0)
2043                         return err;
2044         }
2045
2046         return 0;
2047 }
2048
2049 static int generic_hdmi_init_per_pins(struct hda_codec *codec)
2050 {
2051         struct hdmi_spec *spec = codec->spec;
2052         int pin_idx;
2053
2054         for (pin_idx = 0; pin_idx < spec->num_pins; pin_idx++) {
2055                 struct hdmi_spec_per_pin *per_pin = get_pin(spec, pin_idx);
2056
2057                 per_pin->codec = codec;
2058                 mutex_init(&per_pin->lock);
2059                 INIT_DELAYED_WORK(&per_pin->work, hdmi_repoll_eld);
2060                 eld_proc_new(per_pin, pin_idx);
2061         }
2062         return 0;
2063 }
2064
2065 static int generic_hdmi_init(struct hda_codec *codec)
2066 {
2067         struct hdmi_spec *spec = codec->spec;
2068         int pin_idx;
2069
2070         for (pin_idx = 0; pin_idx < spec->num_pins; pin_idx++) {
2071                 struct hdmi_spec_per_pin *per_pin = get_pin(spec, pin_idx);
2072                 hda_nid_t pin_nid = per_pin->pin_nid;
2073
2074                 hdmi_init_pin(codec, pin_nid);
2075                 if (!codec_has_acomp(codec))
2076                         snd_hda_jack_detect_enable_callback(codec, pin_nid,
2077                                 codec->jackpoll_interval > 0 ?
2078                                 jack_callback : NULL);
2079         }
2080         return 0;
2081 }
2082
2083 static void hdmi_array_init(struct hdmi_spec *spec, int nums)
2084 {
2085         snd_array_init(&spec->pins, sizeof(struct hdmi_spec_per_pin), nums);
2086         snd_array_init(&spec->cvts, sizeof(struct hdmi_spec_per_cvt), nums);
2087 }
2088
2089 static void hdmi_array_free(struct hdmi_spec *spec)
2090 {
2091         snd_array_free(&spec->pins);
2092         snd_array_free(&spec->cvts);
2093 }
2094
2095 static void generic_spec_free(struct hda_codec *codec)
2096 {
2097         struct hdmi_spec *spec = codec->spec;
2098
2099         if (spec) {
2100                 if (spec->i915_bound)
2101                         snd_hdac_i915_exit(&codec->bus->core);
2102                 hdmi_array_free(spec);
2103                 kfree(spec);
2104                 codec->spec = NULL;
2105         }
2106         codec->dp_mst = false;
2107 }
2108
2109 static void generic_hdmi_free(struct hda_codec *codec)
2110 {
2111         struct hdmi_spec *spec = codec->spec;
2112         int pin_idx, pcm_idx;
2113
2114         if (codec_has_acomp(codec))
2115                 snd_hdac_i915_register_notifier(NULL);
2116
2117         for (pin_idx = 0; pin_idx < spec->num_pins; pin_idx++) {
2118                 struct hdmi_spec_per_pin *per_pin = get_pin(spec, pin_idx);
2119                 cancel_delayed_work_sync(&per_pin->work);
2120                 eld_proc_free(per_pin);
2121         }
2122
2123         for (pcm_idx = 0; pcm_idx < spec->pcm_used; pcm_idx++) {
2124                 if (spec->pcm_rec[pcm_idx].jack == NULL)
2125                         continue;
2126                 if (spec->dyn_pcm_assign)
2127                         snd_device_free(codec->card,
2128                                         spec->pcm_rec[pcm_idx].jack);
2129                 else
2130                         spec->pcm_rec[pcm_idx].jack = NULL;
2131         }
2132
2133         generic_spec_free(codec);
2134 }
2135
2136 #ifdef CONFIG_PM
2137 static int generic_hdmi_resume(struct hda_codec *codec)
2138 {
2139         struct hdmi_spec *spec = codec->spec;
2140         int pin_idx;
2141
2142         codec->patch_ops.init(codec);
2143         regcache_sync(codec->core.regmap);
2144
2145         for (pin_idx = 0; pin_idx < spec->num_pins; pin_idx++) {
2146                 struct hdmi_spec_per_pin *per_pin = get_pin(spec, pin_idx);
2147                 hdmi_present_sense(per_pin, 1);
2148         }
2149         return 0;
2150 }
2151 #endif
2152
2153 static const struct hda_codec_ops generic_hdmi_patch_ops = {
2154         .init                   = generic_hdmi_init,
2155         .free                   = generic_hdmi_free,
2156         .build_pcms             = generic_hdmi_build_pcms,
2157         .build_controls         = generic_hdmi_build_controls,
2158         .unsol_event            = hdmi_unsol_event,
2159 #ifdef CONFIG_PM
2160         .resume                 = generic_hdmi_resume,
2161 #endif
2162 };
2163
2164 static const struct hdmi_ops generic_standard_hdmi_ops = {
2165         .pin_get_eld                            = snd_hdmi_get_eld,
2166         .pin_setup_infoframe                    = hdmi_pin_setup_infoframe,
2167         .pin_hbr_setup                          = hdmi_pin_hbr_setup,
2168         .setup_stream                           = hdmi_setup_stream,
2169 };
2170
2171 /* allocate codec->spec and assign/initialize generic parser ops */
2172 static int alloc_generic_hdmi(struct hda_codec *codec)
2173 {
2174         struct hdmi_spec *spec;
2175
2176         spec = kzalloc(sizeof(*spec), GFP_KERNEL);
2177         if (!spec)
2178                 return -ENOMEM;
2179
2180         spec->ops = generic_standard_hdmi_ops;
2181         mutex_init(&spec->pcm_lock);
2182         snd_hdac_register_chmap_ops(&codec->core, &spec->chmap);
2183
2184         spec->chmap.ops.get_chmap = hdmi_get_chmap;
2185         spec->chmap.ops.set_chmap = hdmi_set_chmap;
2186         spec->chmap.ops.is_pcm_attached = is_hdmi_pcm_attached;
2187         spec->chmap.ops.get_spk_alloc = hdmi_get_spk_alloc,
2188
2189         codec->spec = spec;
2190         hdmi_array_init(spec, 4);
2191
2192         codec->patch_ops = generic_hdmi_patch_ops;
2193
2194         return 0;
2195 }
2196
2197 /* generic HDMI parser */
2198 static int patch_generic_hdmi(struct hda_codec *codec)
2199 {
2200         int err;
2201
2202         err = alloc_generic_hdmi(codec);
2203         if (err < 0)
2204                 return err;
2205
2206         err = hdmi_parse_codec(codec);
2207         if (err < 0) {
2208                 generic_spec_free(codec);
2209                 return err;
2210         }
2211
2212         generic_hdmi_init_per_pins(codec);
2213         return 0;
2214 }
2215
2216 /*
2217  * Intel codec parsers and helpers
2218  */
2219
2220 static void intel_haswell_fixup_connect_list(struct hda_codec *codec,
2221                                              hda_nid_t nid)
2222 {
2223         struct hdmi_spec *spec = codec->spec;
2224         hda_nid_t conns[4];
2225         int nconns;
2226
2227         nconns = snd_hda_get_connections(codec, nid, conns, ARRAY_SIZE(conns));
2228         if (nconns == spec->num_cvts &&
2229             !memcmp(conns, spec->cvt_nids, spec->num_cvts * sizeof(hda_nid_t)))
2230                 return;
2231
2232         /* override pins connection list */
2233         codec_dbg(codec, "hdmi: haswell: override pin connection 0x%x\n", nid);
2234         snd_hda_override_conn_list(codec, nid, spec->num_cvts, spec->cvt_nids);
2235 }
2236
2237 #define INTEL_VENDOR_NID 0x08
2238 #define INTEL_GET_VENDOR_VERB 0xf81
2239 #define INTEL_SET_VENDOR_VERB 0x781
2240 #define INTEL_EN_DP12                   0x02 /* enable DP 1.2 features */
2241 #define INTEL_EN_ALL_PIN_CVTS   0x01 /* enable 2nd & 3rd pins and convertors */
2242
2243 static void intel_haswell_enable_all_pins(struct hda_codec *codec,
2244                                           bool update_tree)
2245 {
2246         unsigned int vendor_param;
2247
2248         vendor_param = snd_hda_codec_read(codec, INTEL_VENDOR_NID, 0,
2249                                 INTEL_GET_VENDOR_VERB, 0);
2250         if (vendor_param == -1 || vendor_param & INTEL_EN_ALL_PIN_CVTS)
2251                 return;
2252
2253         vendor_param |= INTEL_EN_ALL_PIN_CVTS;
2254         vendor_param = snd_hda_codec_read(codec, INTEL_VENDOR_NID, 0,
2255                                 INTEL_SET_VENDOR_VERB, vendor_param);
2256         if (vendor_param == -1)
2257                 return;
2258
2259         if (update_tree)
2260                 snd_hda_codec_update_widgets(codec);
2261 }
2262
2263 static void intel_haswell_fixup_enable_dp12(struct hda_codec *codec)
2264 {
2265         unsigned int vendor_param;
2266
2267         vendor_param = snd_hda_codec_read(codec, INTEL_VENDOR_NID, 0,
2268                                 INTEL_GET_VENDOR_VERB, 0);
2269         if (vendor_param == -1 || vendor_param & INTEL_EN_DP12)
2270                 return;
2271
2272         /* enable DP1.2 mode */
2273         vendor_param |= INTEL_EN_DP12;
2274         snd_hdac_regmap_add_vendor_verb(&codec->core, INTEL_SET_VENDOR_VERB);
2275         snd_hda_codec_write_cache(codec, INTEL_VENDOR_NID, 0,
2276                                 INTEL_SET_VENDOR_VERB, vendor_param);
2277 }
2278
2279 /* Haswell needs to re-issue the vendor-specific verbs before turning to D0.
2280  * Otherwise you may get severe h/w communication errors.
2281  */
2282 static void haswell_set_power_state(struct hda_codec *codec, hda_nid_t fg,
2283                                 unsigned int power_state)
2284 {
2285         if (power_state == AC_PWRST_D0) {
2286                 intel_haswell_enable_all_pins(codec, false);
2287                 intel_haswell_fixup_enable_dp12(codec);
2288         }
2289
2290         snd_hda_codec_read(codec, fg, 0, AC_VERB_SET_POWER_STATE, power_state);
2291         snd_hda_codec_set_power_to_all(codec, fg, power_state);
2292 }
2293
2294 static void intel_pin_eld_notify(void *audio_ptr, int port, int pipe)
2295 {
2296         struct hda_codec *codec = audio_ptr;
2297         int pin_nid;
2298
2299         /* we assume only from port-B to port-D */
2300         if (port < 1 || port > 3)
2301                 return;
2302
2303         switch (codec->core.vendor_id) {
2304         case 0x80860054: /* ILK */
2305         case 0x80862804: /* ILK */
2306         case 0x80862882: /* VLV */
2307                 pin_nid = port + 0x03;
2308                 break;
2309         default:
2310                 pin_nid = port + 0x04;
2311                 break;
2312         }
2313
2314         /* skip notification during system suspend (but not in runtime PM);
2315          * the state will be updated at resume
2316          */
2317         if (snd_power_get_state(codec->card) != SNDRV_CTL_POWER_D0)
2318                 return;
2319         /* ditto during suspend/resume process itself */
2320         if (atomic_read(&(codec)->core.in_pm))
2321                 return;
2322
2323         snd_hdac_i915_set_bclk(&codec->bus->core);
2324         check_presence_and_report(codec, pin_nid);
2325 }
2326
2327 /* register i915 component pin_eld_notify callback */
2328 static void register_i915_notifier(struct hda_codec *codec)
2329 {
2330         struct hdmi_spec *spec = codec->spec;
2331
2332         spec->use_acomp_notifier = true;
2333         spec->i915_audio_ops.audio_ptr = codec;
2334         /* intel_audio_codec_enable() or intel_audio_codec_disable()
2335          * will call pin_eld_notify with using audio_ptr pointer
2336          * We need make sure audio_ptr is really setup
2337          */
2338         wmb();
2339         spec->i915_audio_ops.pin_eld_notify = intel_pin_eld_notify;
2340         snd_hdac_i915_register_notifier(&spec->i915_audio_ops);
2341 }
2342
2343 /* setup_stream ops override for HSW+ */
2344 static int i915_hsw_setup_stream(struct hda_codec *codec, hda_nid_t cvt_nid,
2345                                  hda_nid_t pin_nid, u32 stream_tag, int format)
2346 {
2347         haswell_verify_D0(codec, cvt_nid, pin_nid);
2348         return hdmi_setup_stream(codec, cvt_nid, pin_nid, stream_tag, format);
2349 }
2350
2351 /* pin_cvt_fixup ops override for HSW+ and VLV+ */
2352 static void i915_pin_cvt_fixup(struct hda_codec *codec,
2353                                struct hdmi_spec_per_pin *per_pin,
2354                                hda_nid_t cvt_nid)
2355 {
2356         if (per_pin) {
2357                 intel_verify_pin_cvt_connect(codec, per_pin);
2358                 intel_not_share_assigned_cvt(codec, per_pin->pin_nid,
2359                                              per_pin->mux_idx);
2360         } else {
2361                 intel_not_share_assigned_cvt_nid(codec, 0, cvt_nid);
2362         }
2363 }
2364
2365 /* Intel Haswell and onwards; audio component with eld notifier */
2366 static int patch_i915_hsw_hdmi(struct hda_codec *codec)
2367 {
2368         struct hdmi_spec *spec;
2369         int err;
2370
2371         /* HSW+ requires i915 binding */
2372         if (!codec->bus->core.audio_component) {
2373                 codec_info(codec, "No i915 binding for Intel HDMI/DP codec\n");
2374                 return -ENODEV;
2375         }
2376
2377         err = alloc_generic_hdmi(codec);
2378         if (err < 0)
2379                 return err;
2380         spec = codec->spec;
2381
2382         intel_haswell_enable_all_pins(codec, true);
2383         intel_haswell_fixup_enable_dp12(codec);
2384
2385         /* For Haswell/Broadwell, the controller is also in the power well and
2386          * can cover the codec power request, and so need not set this flag.
2387          */
2388         if (!is_haswell(codec) && !is_broadwell(codec))
2389                 codec->core.link_power_control = 1;
2390
2391         codec->patch_ops.set_power_state = haswell_set_power_state;
2392         codec->dp_mst = true;
2393         codec->depop_delay = 0;
2394         codec->auto_runtime_pm = 1;
2395
2396         spec->ops.setup_stream = i915_hsw_setup_stream;
2397         spec->ops.pin_cvt_fixup = i915_pin_cvt_fixup;
2398
2399         err = hdmi_parse_codec(codec);
2400         if (err < 0) {
2401                 generic_spec_free(codec);
2402                 return err;
2403         }
2404
2405         generic_hdmi_init_per_pins(codec);
2406         register_i915_notifier(codec);
2407         return 0;
2408 }
2409
2410 /* Intel Baytrail and Braswell; with eld notifier */
2411 static int patch_i915_byt_hdmi(struct hda_codec *codec)
2412 {
2413         struct hdmi_spec *spec;
2414         int err;
2415
2416         /* requires i915 binding */
2417         if (!codec->bus->core.audio_component) {
2418                 codec_info(codec, "No i915 binding for Intel HDMI/DP codec\n");
2419                 return -ENODEV;
2420         }
2421
2422         err = alloc_generic_hdmi(codec);
2423         if (err < 0)
2424                 return err;
2425         spec = codec->spec;
2426
2427         /* For Valleyview/Cherryview, only the display codec is in the display
2428          * power well and can use link_power ops to request/release the power.
2429          */
2430         codec->core.link_power_control = 1;
2431
2432         codec->depop_delay = 0;
2433         codec->auto_runtime_pm = 1;
2434
2435         spec->ops.pin_cvt_fixup = i915_pin_cvt_fixup;
2436
2437         err = hdmi_parse_codec(codec);
2438         if (err < 0) {
2439                 generic_spec_free(codec);
2440                 return err;
2441         }
2442
2443         generic_hdmi_init_per_pins(codec);
2444         register_i915_notifier(codec);
2445         return 0;
2446 }
2447
2448 /* Intel IronLake, SandyBridge and IvyBridge; with eld notifier */
2449 static int patch_i915_cpt_hdmi(struct hda_codec *codec)
2450 {
2451         struct hdmi_spec *spec;
2452         int err;
2453
2454         /* no i915 component should have been bound before this */
2455         if (WARN_ON(codec->bus->core.audio_component))
2456                 return -EBUSY;
2457
2458         err = alloc_generic_hdmi(codec);
2459         if (err < 0)
2460                 return err;
2461         spec = codec->spec;
2462
2463         /* Try to bind with i915 now */
2464         err = snd_hdac_i915_init(&codec->bus->core);
2465         if (err < 0)
2466                 goto error;
2467         spec->i915_bound = true;
2468
2469         err = hdmi_parse_codec(codec);
2470         if (err < 0)
2471                 goto error;
2472
2473         generic_hdmi_init_per_pins(codec);
2474         register_i915_notifier(codec);
2475         return 0;
2476
2477  error:
2478         generic_spec_free(codec);
2479         return err;
2480 }
2481
2482 /*
2483  * Shared non-generic implementations
2484  */
2485
2486 static int simple_playback_build_pcms(struct hda_codec *codec)
2487 {
2488         struct hdmi_spec *spec = codec->spec;
2489         struct hda_pcm *info;
2490         unsigned int chans;
2491         struct hda_pcm_stream *pstr;
2492         struct hdmi_spec_per_cvt *per_cvt;
2493
2494         per_cvt = get_cvt(spec, 0);
2495         chans = get_wcaps(codec, per_cvt->cvt_nid);
2496         chans = get_wcaps_channels(chans);
2497
2498         info = snd_hda_codec_pcm_new(codec, "HDMI 0");
2499         if (!info)
2500                 return -ENOMEM;
2501         spec->pcm_rec[0].pcm = info;
2502         info->pcm_type = HDA_PCM_TYPE_HDMI;
2503         pstr = &info->stream[SNDRV_PCM_STREAM_PLAYBACK];
2504         *pstr = spec->pcm_playback;
2505         pstr->nid = per_cvt->cvt_nid;
2506         if (pstr->channels_max <= 2 && chans && chans <= 16)
2507                 pstr->channels_max = chans;
2508
2509         return 0;
2510 }
2511
2512 /* unsolicited event for jack sensing */
2513 static void simple_hdmi_unsol_event(struct hda_codec *codec,
2514                                     unsigned int res)
2515 {
2516         snd_hda_jack_set_dirty_all(codec);
2517         snd_hda_jack_report_sync(codec);
2518 }
2519
2520 /* generic_hdmi_build_jack can be used for simple_hdmi, too,
2521  * as long as spec->pins[] is set correctly
2522  */
2523 #define simple_hdmi_build_jack  generic_hdmi_build_jack
2524
2525 static int simple_playback_build_controls(struct hda_codec *codec)
2526 {
2527         struct hdmi_spec *spec = codec->spec;
2528         struct hdmi_spec_per_cvt *per_cvt;
2529         int err;
2530
2531         per_cvt = get_cvt(spec, 0);
2532         err = snd_hda_create_dig_out_ctls(codec, per_cvt->cvt_nid,
2533                                           per_cvt->cvt_nid,
2534                                           HDA_PCM_TYPE_HDMI);
2535         if (err < 0)
2536                 return err;
2537         return simple_hdmi_build_jack(codec, 0);
2538 }
2539
2540 static int simple_playback_init(struct hda_codec *codec)
2541 {
2542         struct hdmi_spec *spec = codec->spec;
2543         struct hdmi_spec_per_pin *per_pin = get_pin(spec, 0);
2544         hda_nid_t pin = per_pin->pin_nid;
2545
2546         snd_hda_codec_write(codec, pin, 0,
2547                             AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_OUT);
2548         /* some codecs require to unmute the pin */
2549         if (get_wcaps(codec, pin) & AC_WCAP_OUT_AMP)
2550                 snd_hda_codec_write(codec, pin, 0, AC_VERB_SET_AMP_GAIN_MUTE,
2551                                     AMP_OUT_UNMUTE);
2552         snd_hda_jack_detect_enable(codec, pin);
2553         return 0;
2554 }
2555
2556 static void simple_playback_free(struct hda_codec *codec)
2557 {
2558         struct hdmi_spec *spec = codec->spec;
2559
2560         hdmi_array_free(spec);
2561         kfree(spec);
2562 }
2563
2564 /*
2565  * Nvidia specific implementations
2566  */
2567
2568 #define Nv_VERB_SET_Channel_Allocation          0xF79
2569 #define Nv_VERB_SET_Info_Frame_Checksum         0xF7A
2570 #define Nv_VERB_SET_Audio_Protection_On         0xF98
2571 #define Nv_VERB_SET_Audio_Protection_Off        0xF99
2572
2573 #define nvhdmi_master_con_nid_7x        0x04
2574 #define nvhdmi_master_pin_nid_7x        0x05
2575
2576 static const hda_nid_t nvhdmi_con_nids_7x[4] = {
2577         /*front, rear, clfe, rear_surr */
2578         0x6, 0x8, 0xa, 0xc,
2579 };
2580
2581 static const struct hda_verb nvhdmi_basic_init_7x_2ch[] = {
2582         /* set audio protect on */
2583         { 0x1, Nv_VERB_SET_Audio_Protection_On, 0x1},
2584         /* enable digital output on pin widget */
2585         { 0x5, AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_OUT | 0x5 },
2586         {} /* terminator */
2587 };
2588
2589 static const struct hda_verb nvhdmi_basic_init_7x_8ch[] = {
2590         /* set audio protect on */
2591         { 0x1, Nv_VERB_SET_Audio_Protection_On, 0x1},
2592         /* enable digital output on pin widget */
2593         { 0x5, AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_OUT | 0x5 },
2594         { 0x7, AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_OUT | 0x5 },
2595         { 0x9, AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_OUT | 0x5 },
2596         { 0xb, AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_OUT | 0x5 },
2597         { 0xd, AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_OUT | 0x5 },
2598         {} /* terminator */
2599 };
2600
2601 #ifdef LIMITED_RATE_FMT_SUPPORT
2602 /* support only the safe format and rate */
2603 #define SUPPORTED_RATES         SNDRV_PCM_RATE_48000
2604 #define SUPPORTED_MAXBPS        16
2605 #define SUPPORTED_FORMATS       SNDRV_PCM_FMTBIT_S16_LE
2606 #else
2607 /* support all rates and formats */
2608 #define SUPPORTED_RATES \
2609         (SNDRV_PCM_RATE_32000 | SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_48000 |\
2610         SNDRV_PCM_RATE_88200 | SNDRV_PCM_RATE_96000 | SNDRV_PCM_RATE_176400 |\
2611          SNDRV_PCM_RATE_192000)
2612 #define SUPPORTED_MAXBPS        24
2613 #define SUPPORTED_FORMATS \
2614         (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S32_LE)
2615 #endif
2616
2617 static int nvhdmi_7x_init_2ch(struct hda_codec *codec)
2618 {
2619         snd_hda_sequence_write(codec, nvhdmi_basic_init_7x_2ch);
2620         return 0;
2621 }
2622
2623 static int nvhdmi_7x_init_8ch(struct hda_codec *codec)
2624 {
2625         snd_hda_sequence_write(codec, nvhdmi_basic_init_7x_8ch);
2626         return 0;
2627 }
2628
2629 static unsigned int channels_2_6_8[] = {
2630         2, 6, 8
2631 };
2632
2633 static unsigned int channels_2_8[] = {
2634         2, 8
2635 };
2636
2637 static struct snd_pcm_hw_constraint_list hw_constraints_2_6_8_channels = {
2638         .count = ARRAY_SIZE(channels_2_6_8),
2639         .list = channels_2_6_8,
2640         .mask = 0,
2641 };
2642
2643 static struct snd_pcm_hw_constraint_list hw_constraints_2_8_channels = {
2644         .count = ARRAY_SIZE(channels_2_8),
2645         .list = channels_2_8,
2646         .mask = 0,
2647 };
2648
2649 static int simple_playback_pcm_open(struct hda_pcm_stream *hinfo,
2650                                     struct hda_codec *codec,
2651                                     struct snd_pcm_substream *substream)
2652 {
2653         struct hdmi_spec *spec = codec->spec;
2654         struct snd_pcm_hw_constraint_list *hw_constraints_channels = NULL;
2655
2656         switch (codec->preset->vendor_id) {
2657         case 0x10de0002:
2658         case 0x10de0003:
2659         case 0x10de0005:
2660         case 0x10de0006:
2661                 hw_constraints_channels = &hw_constraints_2_8_channels;
2662                 break;
2663         case 0x10de0007:
2664                 hw_constraints_channels = &hw_constraints_2_6_8_channels;
2665                 break;
2666         default:
2667                 break;
2668         }
2669
2670         if (hw_constraints_channels != NULL) {
2671                 snd_pcm_hw_constraint_list(substream->runtime, 0,
2672                                 SNDRV_PCM_HW_PARAM_CHANNELS,
2673                                 hw_constraints_channels);
2674         } else {
2675                 snd_pcm_hw_constraint_step(substream->runtime, 0,
2676                                            SNDRV_PCM_HW_PARAM_CHANNELS, 2);
2677         }
2678
2679         return snd_hda_multi_out_dig_open(codec, &spec->multiout);
2680 }
2681
2682 static int simple_playback_pcm_close(struct hda_pcm_stream *hinfo,
2683                                      struct hda_codec *codec,
2684                                      struct snd_pcm_substream *substream)
2685 {
2686         struct hdmi_spec *spec = codec->spec;
2687         return snd_hda_multi_out_dig_close(codec, &spec->multiout);
2688 }
2689
2690 static int simple_playback_pcm_prepare(struct hda_pcm_stream *hinfo,
2691                                        struct hda_codec *codec,
2692                                        unsigned int stream_tag,
2693                                        unsigned int format,
2694                                        struct snd_pcm_substream *substream)
2695 {
2696         struct hdmi_spec *spec = codec->spec;
2697         return snd_hda_multi_out_dig_prepare(codec, &spec->multiout,
2698                                              stream_tag, format, substream);
2699 }
2700
2701 static const struct hda_pcm_stream simple_pcm_playback = {
2702         .substreams = 1,
2703         .channels_min = 2,
2704         .channels_max = 2,
2705         .ops = {
2706                 .open = simple_playback_pcm_open,
2707                 .close = simple_playback_pcm_close,
2708                 .prepare = simple_playback_pcm_prepare
2709         },
2710 };
2711
2712 static const struct hda_codec_ops simple_hdmi_patch_ops = {
2713         .build_controls = simple_playback_build_controls,
2714         .build_pcms = simple_playback_build_pcms,
2715         .init = simple_playback_init,
2716         .free = simple_playback_free,
2717         .unsol_event = simple_hdmi_unsol_event,
2718 };
2719
2720 static int patch_simple_hdmi(struct hda_codec *codec,
2721                              hda_nid_t cvt_nid, hda_nid_t pin_nid)
2722 {
2723         struct hdmi_spec *spec;
2724         struct hdmi_spec_per_cvt *per_cvt;
2725         struct hdmi_spec_per_pin *per_pin;
2726
2727         spec = kzalloc(sizeof(*spec), GFP_KERNEL);
2728         if (!spec)
2729                 return -ENOMEM;
2730
2731         codec->spec = spec;
2732         hdmi_array_init(spec, 1);
2733
2734         spec->multiout.num_dacs = 0;  /* no analog */
2735         spec->multiout.max_channels = 2;
2736         spec->multiout.dig_out_nid = cvt_nid;
2737         spec->num_cvts = 1;
2738         spec->num_pins = 1;
2739         per_pin = snd_array_new(&spec->pins);
2740         per_cvt = snd_array_new(&spec->cvts);
2741         if (!per_pin || !per_cvt) {
2742                 simple_playback_free(codec);
2743                 return -ENOMEM;
2744         }
2745         per_cvt->cvt_nid = cvt_nid;
2746         per_pin->pin_nid = pin_nid;
2747         spec->pcm_playback = simple_pcm_playback;
2748
2749         codec->patch_ops = simple_hdmi_patch_ops;
2750
2751         return 0;
2752 }
2753
2754 static void nvhdmi_8ch_7x_set_info_frame_parameters(struct hda_codec *codec,
2755                                                     int channels)
2756 {
2757         unsigned int chanmask;
2758         int chan = channels ? (channels - 1) : 1;
2759
2760         switch (channels) {
2761         default:
2762         case 0:
2763         case 2:
2764                 chanmask = 0x00;
2765                 break;
2766         case 4:
2767                 chanmask = 0x08;
2768                 break;
2769         case 6:
2770                 chanmask = 0x0b;
2771                 break;
2772         case 8:
2773                 chanmask = 0x13;
2774                 break;
2775         }
2776
2777         /* Set the audio infoframe channel allocation and checksum fields.  The
2778          * channel count is computed implicitly by the hardware. */
2779         snd_hda_codec_write(codec, 0x1, 0,
2780                         Nv_VERB_SET_Channel_Allocation, chanmask);
2781
2782         snd_hda_codec_write(codec, 0x1, 0,
2783                         Nv_VERB_SET_Info_Frame_Checksum,
2784                         (0x71 - chan - chanmask));
2785 }
2786
2787 static int nvhdmi_8ch_7x_pcm_close(struct hda_pcm_stream *hinfo,
2788                                    struct hda_codec *codec,
2789                                    struct snd_pcm_substream *substream)
2790 {
2791         struct hdmi_spec *spec = codec->spec;
2792         int i;
2793
2794         snd_hda_codec_write(codec, nvhdmi_master_con_nid_7x,
2795                         0, AC_VERB_SET_CHANNEL_STREAMID, 0);
2796         for (i = 0; i < 4; i++) {
2797                 /* set the stream id */
2798                 snd_hda_codec_write(codec, nvhdmi_con_nids_7x[i], 0,
2799                                 AC_VERB_SET_CHANNEL_STREAMID, 0);
2800                 /* set the stream format */
2801                 snd_hda_codec_write(codec, nvhdmi_con_nids_7x[i], 0,
2802                                 AC_VERB_SET_STREAM_FORMAT, 0);
2803         }
2804
2805         /* The audio hardware sends a channel count of 0x7 (8ch) when all the
2806          * streams are disabled. */
2807         nvhdmi_8ch_7x_set_info_frame_parameters(codec, 8);
2808
2809         return snd_hda_multi_out_dig_close(codec, &spec->multiout);
2810 }
2811
2812 static int nvhdmi_8ch_7x_pcm_prepare(struct hda_pcm_stream *hinfo,
2813                                      struct hda_codec *codec,
2814                                      unsigned int stream_tag,
2815                                      unsigned int format,
2816                                      struct snd_pcm_substream *substream)
2817 {
2818         int chs;
2819         unsigned int dataDCC2, channel_id;
2820         int i;
2821         struct hdmi_spec *spec = codec->spec;
2822         struct hda_spdif_out *spdif;
2823         struct hdmi_spec_per_cvt *per_cvt;
2824
2825         mutex_lock(&codec->spdif_mutex);
2826         per_cvt = get_cvt(spec, 0);
2827         spdif = snd_hda_spdif_out_of_nid(codec, per_cvt->cvt_nid);
2828
2829         chs = substream->runtime->channels;
2830
2831         dataDCC2 = 0x2;
2832
2833         /* turn off SPDIF once; otherwise the IEC958 bits won't be updated */
2834         if (codec->spdif_status_reset && (spdif->ctls & AC_DIG1_ENABLE))
2835                 snd_hda_codec_write(codec,
2836                                 nvhdmi_master_con_nid_7x,
2837                                 0,
2838                                 AC_VERB_SET_DIGI_CONVERT_1,
2839                                 spdif->ctls & ~AC_DIG1_ENABLE & 0xff);
2840
2841         /* set the stream id */
2842         snd_hda_codec_write(codec, nvhdmi_master_con_nid_7x, 0,
2843                         AC_VERB_SET_CHANNEL_STREAMID, (stream_tag << 4) | 0x0);
2844
2845         /* set the stream format */
2846         snd_hda_codec_write(codec, nvhdmi_master_con_nid_7x, 0,
2847                         AC_VERB_SET_STREAM_FORMAT, format);
2848
2849         /* turn on again (if needed) */
2850         /* enable and set the channel status audio/data flag */
2851         if (codec->spdif_status_reset && (spdif->ctls & AC_DIG1_ENABLE)) {
2852                 snd_hda_codec_write(codec,
2853                                 nvhdmi_master_con_nid_7x,
2854                                 0,
2855                                 AC_VERB_SET_DIGI_CONVERT_1,
2856                                 spdif->ctls & 0xff);
2857                 snd_hda_codec_write(codec,
2858                                 nvhdmi_master_con_nid_7x,
2859                                 0,
2860                                 AC_VERB_SET_DIGI_CONVERT_2, dataDCC2);
2861         }
2862
2863         for (i = 0; i < 4; i++) {
2864                 if (chs == 2)
2865                         channel_id = 0;
2866                 else
2867                         channel_id = i * 2;
2868
2869                 /* turn off SPDIF once;
2870                  *otherwise the IEC958 bits won't be updated
2871                  */
2872                 if (codec->spdif_status_reset &&
2873                 (spdif->ctls & AC_DIG1_ENABLE))
2874                         snd_hda_codec_write(codec,
2875                                 nvhdmi_con_nids_7x[i],
2876                                 0,
2877                                 AC_VERB_SET_DIGI_CONVERT_1,
2878                                 spdif->ctls & ~AC_DIG1_ENABLE & 0xff);
2879                 /* set the stream id */
2880                 snd_hda_codec_write(codec,
2881                                 nvhdmi_con_nids_7x[i],
2882                                 0,
2883                                 AC_VERB_SET_CHANNEL_STREAMID,
2884                                 (stream_tag << 4) | channel_id);
2885                 /* set the stream format */
2886                 snd_hda_codec_write(codec,
2887                                 nvhdmi_con_nids_7x[i],
2888                                 0,
2889                                 AC_VERB_SET_STREAM_FORMAT,
2890                                 format);
2891                 /* turn on again (if needed) */
2892                 /* enable and set the channel status audio/data flag */
2893                 if (codec->spdif_status_reset &&
2894                 (spdif->ctls & AC_DIG1_ENABLE)) {
2895                         snd_hda_codec_write(codec,
2896                                         nvhdmi_con_nids_7x[i],
2897                                         0,
2898                                         AC_VERB_SET_DIGI_CONVERT_1,
2899                                         spdif->ctls & 0xff);
2900                         snd_hda_codec_write(codec,
2901                                         nvhdmi_con_nids_7x[i],
2902                                         0,
2903                                         AC_VERB_SET_DIGI_CONVERT_2, dataDCC2);
2904                 }
2905         }
2906
2907         nvhdmi_8ch_7x_set_info_frame_parameters(codec, chs);
2908
2909         mutex_unlock(&codec->spdif_mutex);
2910         return 0;
2911 }
2912
2913 static const struct hda_pcm_stream nvhdmi_pcm_playback_8ch_7x = {
2914         .substreams = 1,
2915         .channels_min = 2,
2916         .channels_max = 8,
2917         .nid = nvhdmi_master_con_nid_7x,
2918         .rates = SUPPORTED_RATES,
2919         .maxbps = SUPPORTED_MAXBPS,
2920         .formats = SUPPORTED_FORMATS,
2921         .ops = {
2922                 .open = simple_playback_pcm_open,
2923                 .close = nvhdmi_8ch_7x_pcm_close,
2924                 .prepare = nvhdmi_8ch_7x_pcm_prepare
2925         },
2926 };
2927
2928 static int patch_nvhdmi_2ch(struct hda_codec *codec)
2929 {
2930         struct hdmi_spec *spec;
2931         int err = patch_simple_hdmi(codec, nvhdmi_master_con_nid_7x,
2932                                     nvhdmi_master_pin_nid_7x);
2933         if (err < 0)
2934                 return err;
2935
2936         codec->patch_ops.init = nvhdmi_7x_init_2ch;
2937         /* override the PCM rates, etc, as the codec doesn't give full list */
2938         spec = codec->spec;
2939         spec->pcm_playback.rates = SUPPORTED_RATES;
2940         spec->pcm_playback.maxbps = SUPPORTED_MAXBPS;
2941         spec->pcm_playback.formats = SUPPORTED_FORMATS;
2942         return 0;
2943 }
2944
2945 static int nvhdmi_7x_8ch_build_pcms(struct hda_codec *codec)
2946 {
2947         struct hdmi_spec *spec = codec->spec;
2948         int err = simple_playback_build_pcms(codec);
2949         if (!err) {
2950                 struct hda_pcm *info = get_pcm_rec(spec, 0);
2951                 info->own_chmap = true;
2952         }
2953         return err;
2954 }
2955
2956 static int nvhdmi_7x_8ch_build_controls(struct hda_codec *codec)
2957 {
2958         struct hdmi_spec *spec = codec->spec;
2959         struct hda_pcm *info;
2960         struct snd_pcm_chmap *chmap;
2961         int err;
2962
2963         err = simple_playback_build_controls(codec);
2964         if (err < 0)
2965                 return err;
2966
2967         /* add channel maps */
2968         info = get_pcm_rec(spec, 0);
2969         err = snd_pcm_add_chmap_ctls(info->pcm,
2970                                      SNDRV_PCM_STREAM_PLAYBACK,
2971                                      snd_pcm_alt_chmaps, 8, 0, &chmap);
2972         if (err < 0)
2973                 return err;
2974         switch (codec->preset->vendor_id) {
2975         case 0x10de0002:
2976         case 0x10de0003:
2977         case 0x10de0005:
2978         case 0x10de0006:
2979                 chmap->channel_mask = (1U << 2) | (1U << 8);
2980                 break;
2981         case 0x10de0007:
2982                 chmap->channel_mask = (1U << 2) | (1U << 6) | (1U << 8);
2983         }
2984         return 0;
2985 }
2986
2987 static int patch_nvhdmi_8ch_7x(struct hda_codec *codec)
2988 {
2989         struct hdmi_spec *spec;
2990         int err = patch_nvhdmi_2ch(codec);
2991         if (err < 0)
2992                 return err;
2993         spec = codec->spec;
2994         spec->multiout.max_channels = 8;
2995         spec->pcm_playback = nvhdmi_pcm_playback_8ch_7x;
2996         codec->patch_ops.init = nvhdmi_7x_init_8ch;
2997         codec->patch_ops.build_pcms = nvhdmi_7x_8ch_build_pcms;
2998         codec->patch_ops.build_controls = nvhdmi_7x_8ch_build_controls;
2999
3000         /* Initialize the audio infoframe channel mask and checksum to something
3001          * valid */
3002         nvhdmi_8ch_7x_set_info_frame_parameters(codec, 8);
3003
3004         return 0;
3005 }
3006
3007 /*
3008  * NVIDIA codecs ignore ASP mapping for 2ch - confirmed on:
3009  * - 0x10de0015
3010  * - 0x10de0040
3011  */
3012 static int nvhdmi_chmap_cea_alloc_validate_get_type(struct hdac_chmap *chmap,
3013                 struct hdac_cea_channel_speaker_allocation *cap, int channels)
3014 {
3015         if (cap->ca_index == 0x00 && channels == 2)
3016                 return SNDRV_CTL_TLVT_CHMAP_FIXED;
3017
3018         /* If the speaker allocation matches the channel count, it is OK. */
3019         if (cap->channels != channels)
3020                 return -1;
3021
3022         /* all channels are remappable freely */
3023         return SNDRV_CTL_TLVT_CHMAP_VAR;
3024 }
3025
3026 static int nvhdmi_chmap_validate(struct hdac_chmap *chmap,
3027                 int ca, int chs, unsigned char *map)
3028 {
3029         if (ca == 0x00 && (map[0] != SNDRV_CHMAP_FL || map[1] != SNDRV_CHMAP_FR))
3030                 return -EINVAL;
3031
3032         return 0;
3033 }
3034
3035 static int patch_nvhdmi(struct hda_codec *codec)
3036 {
3037         struct hdmi_spec *spec;
3038         int err;
3039
3040         err = patch_generic_hdmi(codec);
3041         if (err)
3042                 return err;
3043
3044         spec = codec->spec;
3045         spec->dyn_pin_out = true;
3046
3047         spec->chmap.ops.chmap_cea_alloc_validate_get_type =
3048                 nvhdmi_chmap_cea_alloc_validate_get_type;
3049         spec->chmap.ops.chmap_validate = nvhdmi_chmap_validate;
3050
3051         return 0;
3052 }
3053
3054 /*
3055  * The HDA codec on NVIDIA Tegra contains two scratch registers that are
3056  * accessed using vendor-defined verbs. These registers can be used for
3057  * interoperability between the HDA and HDMI drivers.
3058  */
3059
3060 /* Audio Function Group node */
3061 #define NVIDIA_AFG_NID 0x01
3062
3063 /*
3064  * The SCRATCH0 register is used to notify the HDMI codec of changes in audio
3065  * format. On Tegra, bit 31 is used as a trigger that causes an interrupt to
3066  * be raised in the HDMI codec. The remainder of the bits is arbitrary. This
3067  * implementation stores the HDA format (see AC_FMT_*) in bits [15:0] and an
3068  * additional bit (at position 30) to signal the validity of the format.
3069  *
3070  * | 31      | 30    | 29  16 | 15   0 |
3071  * +---------+-------+--------+--------+
3072  * | TRIGGER | VALID | UNUSED | FORMAT |
3073  * +-----------------------------------|
3074  *
3075  * Note that for the trigger bit to take effect it needs to change value
3076  * (i.e. it needs to be toggled).
3077  */
3078 #define NVIDIA_GET_SCRATCH0             0xfa6
3079 #define NVIDIA_SET_SCRATCH0_BYTE0       0xfa7
3080 #define NVIDIA_SET_SCRATCH0_BYTE1       0xfa8
3081 #define NVIDIA_SET_SCRATCH0_BYTE2       0xfa9
3082 #define NVIDIA_SET_SCRATCH0_BYTE3       0xfaa
3083 #define NVIDIA_SCRATCH_TRIGGER (1 << 7)
3084 #define NVIDIA_SCRATCH_VALID   (1 << 6)
3085
3086 #define NVIDIA_GET_SCRATCH1             0xfab
3087 #define NVIDIA_SET_SCRATCH1_BYTE0       0xfac
3088 #define NVIDIA_SET_SCRATCH1_BYTE1       0xfad
3089 #define NVIDIA_SET_SCRATCH1_BYTE2       0xfae
3090 #define NVIDIA_SET_SCRATCH1_BYTE3       0xfaf
3091
3092 /*
3093  * The format parameter is the HDA audio format (see AC_FMT_*). If set to 0,
3094  * the format is invalidated so that the HDMI codec can be disabled.
3095  */
3096 static void tegra_hdmi_set_format(struct hda_codec *codec, unsigned int format)
3097 {
3098         unsigned int value;
3099
3100         /* bits [31:30] contain the trigger and valid bits */
3101         value = snd_hda_codec_read(codec, NVIDIA_AFG_NID, 0,
3102                                    NVIDIA_GET_SCRATCH0, 0);
3103         value = (value >> 24) & 0xff;
3104
3105         /* bits [15:0] are used to store the HDA format */
3106         snd_hda_codec_write(codec, NVIDIA_AFG_NID, 0,
3107                             NVIDIA_SET_SCRATCH0_BYTE0,
3108                             (format >> 0) & 0xff);
3109         snd_hda_codec_write(codec, NVIDIA_AFG_NID, 0,
3110                             NVIDIA_SET_SCRATCH0_BYTE1,
3111                             (format >> 8) & 0xff);
3112
3113         /* bits [16:24] are unused */
3114         snd_hda_codec_write(codec, NVIDIA_AFG_NID, 0,
3115                             NVIDIA_SET_SCRATCH0_BYTE2, 0);
3116
3117         /*
3118          * Bit 30 signals that the data is valid and hence that HDMI audio can
3119          * be enabled.
3120          */
3121         if (format == 0)
3122                 value &= ~NVIDIA_SCRATCH_VALID;
3123         else
3124                 value |= NVIDIA_SCRATCH_VALID;
3125
3126         /*
3127          * Whenever the trigger bit is toggled, an interrupt is raised in the
3128          * HDMI codec. The HDMI driver will use that as trigger to update its
3129          * configuration.
3130          */
3131         value ^= NVIDIA_SCRATCH_TRIGGER;
3132
3133         snd_hda_codec_write(codec, NVIDIA_AFG_NID, 0,
3134                             NVIDIA_SET_SCRATCH0_BYTE3, value);
3135 }
3136
3137 static int tegra_hdmi_pcm_prepare(struct hda_pcm_stream *hinfo,
3138                                   struct hda_codec *codec,
3139                                   unsigned int stream_tag,
3140                                   unsigned int format,
3141                                   struct snd_pcm_substream *substream)
3142 {
3143         int err;
3144
3145         err = generic_hdmi_playback_pcm_prepare(hinfo, codec, stream_tag,
3146                                                 format, substream);
3147         if (err < 0)
3148                 return err;
3149
3150         /* notify the HDMI codec of the format change */
3151         tegra_hdmi_set_format(codec, format);
3152
3153         return 0;
3154 }
3155
3156 static int tegra_hdmi_pcm_cleanup(struct hda_pcm_stream *hinfo,
3157                                   struct hda_codec *codec,
3158                                   struct snd_pcm_substream *substream)
3159 {
3160         /* invalidate the format in the HDMI codec */
3161         tegra_hdmi_set_format(codec, 0);
3162
3163         return generic_hdmi_playback_pcm_cleanup(hinfo, codec, substream);
3164 }
3165
3166 static struct hda_pcm *hda_find_pcm_by_type(struct hda_codec *codec, int type)
3167 {
3168         struct hdmi_spec *spec = codec->spec;
3169         unsigned int i;
3170
3171         for (i = 0; i < spec->num_pins; i++) {
3172                 struct hda_pcm *pcm = get_pcm_rec(spec, i);
3173
3174                 if (pcm->pcm_type == type)
3175                         return pcm;
3176         }
3177
3178         return NULL;
3179 }
3180
3181 static int tegra_hdmi_build_pcms(struct hda_codec *codec)
3182 {
3183         struct hda_pcm_stream *stream;
3184         struct hda_pcm *pcm;
3185         int err;
3186
3187         err = generic_hdmi_build_pcms(codec);
3188         if (err < 0)
3189                 return err;
3190
3191         pcm = hda_find_pcm_by_type(codec, HDA_PCM_TYPE_HDMI);
3192         if (!pcm)
3193                 return -ENODEV;
3194
3195         /*
3196          * Override ->prepare() and ->cleanup() operations to notify the HDMI
3197          * codec about format changes.
3198          */
3199         stream = &pcm->stream[SNDRV_PCM_STREAM_PLAYBACK];
3200         stream->ops.prepare = tegra_hdmi_pcm_prepare;
3201         stream->ops.cleanup = tegra_hdmi_pcm_cleanup;
3202
3203         return 0;
3204 }
3205
3206 static int patch_tegra_hdmi(struct hda_codec *codec)
3207 {
3208         int err;
3209
3210         err = patch_generic_hdmi(codec);
3211         if (err)
3212                 return err;
3213
3214         codec->patch_ops.build_pcms = tegra_hdmi_build_pcms;
3215
3216         return 0;
3217 }
3218
3219 /*
3220  * ATI/AMD-specific implementations
3221  */
3222
3223 #define is_amdhdmi_rev3_or_later(codec) \
3224         ((codec)->core.vendor_id == 0x1002aa01 && \
3225          ((codec)->core.revision_id & 0xff00) >= 0x0300)
3226 #define has_amd_full_remap_support(codec) is_amdhdmi_rev3_or_later(codec)
3227
3228 /* ATI/AMD specific HDA pin verbs, see the AMD HDA Verbs specification */
3229 #define ATI_VERB_SET_CHANNEL_ALLOCATION 0x771
3230 #define ATI_VERB_SET_DOWNMIX_INFO       0x772
3231 #define ATI_VERB_SET_MULTICHANNEL_01    0x777
3232 #define ATI_VERB_SET_MULTICHANNEL_23    0x778
3233 #define ATI_VERB_SET_MULTICHANNEL_45    0x779
3234 #define ATI_VERB_SET_MULTICHANNEL_67    0x77a
3235 #define ATI_VERB_SET_HBR_CONTROL        0x77c
3236 #define ATI_VERB_SET_MULTICHANNEL_1     0x785
3237 #define ATI_VERB_SET_MULTICHANNEL_3     0x786
3238 #define ATI_VERB_SET_MULTICHANNEL_5     0x787
3239 #define ATI_VERB_SET_MULTICHANNEL_7     0x788
3240 #define ATI_VERB_SET_MULTICHANNEL_MODE  0x789
3241 #define ATI_VERB_GET_CHANNEL_ALLOCATION 0xf71
3242 #define ATI_VERB_GET_DOWNMIX_INFO       0xf72
3243 #define ATI_VERB_GET_MULTICHANNEL_01    0xf77
3244 #define ATI_VERB_GET_MULTICHANNEL_23    0xf78
3245 #define ATI_VERB_GET_MULTICHANNEL_45    0xf79
3246 #define ATI_VERB_GET_MULTICHANNEL_67    0xf7a
3247 #define ATI_VERB_GET_HBR_CONTROL        0xf7c
3248 #define ATI_VERB_GET_MULTICHANNEL_1     0xf85
3249 #define ATI_VERB_GET_MULTICHANNEL_3     0xf86
3250 #define ATI_VERB_GET_MULTICHANNEL_5     0xf87
3251 #define ATI_VERB_GET_MULTICHANNEL_7     0xf88
3252 #define ATI_VERB_GET_MULTICHANNEL_MODE  0xf89
3253
3254 /* AMD specific HDA cvt verbs */
3255 #define ATI_VERB_SET_RAMP_RATE          0x770
3256 #define ATI_VERB_GET_RAMP_RATE          0xf70
3257
3258 #define ATI_OUT_ENABLE 0x1
3259
3260 #define ATI_MULTICHANNEL_MODE_PAIRED    0
3261 #define ATI_MULTICHANNEL_MODE_SINGLE    1
3262
3263 #define ATI_HBR_CAPABLE 0x01
3264 #define ATI_HBR_ENABLE 0x10
3265
3266 static int atihdmi_pin_get_eld(struct hda_codec *codec, hda_nid_t nid,
3267                            unsigned char *buf, int *eld_size)
3268 {
3269         /* call hda_eld.c ATI/AMD-specific function */
3270         return snd_hdmi_get_eld_ati(codec, nid, buf, eld_size,
3271                                     is_amdhdmi_rev3_or_later(codec));
3272 }
3273
3274 static void atihdmi_pin_setup_infoframe(struct hda_codec *codec, hda_nid_t pin_nid, int ca,
3275                                         int active_channels, int conn_type)
3276 {
3277         snd_hda_codec_write(codec, pin_nid, 0, ATI_VERB_SET_CHANNEL_ALLOCATION, ca);
3278 }
3279
3280 static int atihdmi_paired_swap_fc_lfe(int pos)
3281 {
3282         /*
3283          * ATI/AMD have automatic FC/LFE swap built-in
3284          * when in pairwise mapping mode.
3285          */
3286
3287         switch (pos) {
3288                 /* see channel_allocations[].speakers[] */
3289                 case 2: return 3;
3290                 case 3: return 2;
3291                 default: break;
3292         }
3293
3294         return pos;
3295 }
3296
3297 static int atihdmi_paired_chmap_validate(struct hdac_chmap *chmap,
3298                         int ca, int chs, unsigned char *map)
3299 {
3300         struct hdac_cea_channel_speaker_allocation *cap;
3301         int i, j;
3302
3303         /* check that only channel pairs need to be remapped on old pre-rev3 ATI/AMD */
3304
3305         cap = snd_hdac_get_ch_alloc_from_ca(ca);
3306         for (i = 0; i < chs; ++i) {
3307                 int mask = snd_hdac_chmap_to_spk_mask(map[i]);
3308                 bool ok = false;
3309                 bool companion_ok = false;
3310
3311                 if (!mask)
3312                         continue;
3313
3314                 for (j = 0 + i % 2; j < 8; j += 2) {
3315                         int chan_idx = 7 - atihdmi_paired_swap_fc_lfe(j);
3316                         if (cap->speakers[chan_idx] == mask) {
3317                                 /* channel is in a supported position */
3318                                 ok = true;
3319
3320                                 if (i % 2 == 0 && i + 1 < chs) {
3321                                         /* even channel, check the odd companion */
3322                                         int comp_chan_idx = 7 - atihdmi_paired_swap_fc_lfe(j + 1);
3323                                         int comp_mask_req = snd_hdac_chmap_to_spk_mask(map[i+1]);
3324                                         int comp_mask_act = cap->speakers[comp_chan_idx];
3325
3326                                         if (comp_mask_req == comp_mask_act)
3327                                                 companion_ok = true;
3328                                         else
3329                                                 return -EINVAL;
3330                                 }
3331                                 break;
3332                         }
3333                 }
3334
3335                 if (!ok)
3336                         return -EINVAL;
3337
3338                 if (companion_ok)
3339                         i++; /* companion channel already checked */
3340         }
3341
3342         return 0;
3343 }
3344
3345 static int atihdmi_pin_set_slot_channel(struct hdac_device *hdac,
3346                 hda_nid_t pin_nid, int hdmi_slot, int stream_channel)
3347 {
3348         struct hda_codec *codec = container_of(hdac, struct hda_codec, core);
3349         int verb;
3350         int ati_channel_setup = 0;
3351
3352         if (hdmi_slot > 7)
3353                 return -EINVAL;
3354
3355         if (!has_amd_full_remap_support(codec)) {
3356                 hdmi_slot = atihdmi_paired_swap_fc_lfe(hdmi_slot);
3357
3358                 /* In case this is an odd slot but without stream channel, do not
3359                  * disable the slot since the corresponding even slot could have a
3360                  * channel. In case neither have a channel, the slot pair will be
3361                  * disabled when this function is called for the even slot. */
3362                 if (hdmi_slot % 2 != 0 && stream_channel == 0xf)
3363                         return 0;
3364
3365                 hdmi_slot -= hdmi_slot % 2;
3366
3367                 if (stream_channel != 0xf)
3368                         stream_channel -= stream_channel % 2;
3369         }
3370
3371         verb = ATI_VERB_SET_MULTICHANNEL_01 + hdmi_slot/2 + (hdmi_slot % 2) * 0x00e;
3372
3373         /* ati_channel_setup format: [7..4] = stream_channel_id, [1] = mute, [0] = enable */
3374
3375         if (stream_channel != 0xf)
3376                 ati_channel_setup = (stream_channel << 4) | ATI_OUT_ENABLE;
3377
3378         return snd_hda_codec_write(codec, pin_nid, 0, verb, ati_channel_setup);
3379 }
3380
3381 static int atihdmi_pin_get_slot_channel(struct hdac_device *hdac,
3382                                 hda_nid_t pin_nid, int asp_slot)
3383 {
3384         struct hda_codec *codec = container_of(hdac, struct hda_codec, core);
3385         bool was_odd = false;
3386         int ati_asp_slot = asp_slot;
3387         int verb;
3388         int ati_channel_setup;
3389
3390         if (asp_slot > 7)
3391                 return -EINVAL;
3392
3393         if (!has_amd_full_remap_support(codec)) {
3394                 ati_asp_slot = atihdmi_paired_swap_fc_lfe(asp_slot);
3395                 if (ati_asp_slot % 2 != 0) {
3396                         ati_asp_slot -= 1;
3397                         was_odd = true;
3398                 }
3399         }
3400
3401         verb = ATI_VERB_GET_MULTICHANNEL_01 + ati_asp_slot/2 + (ati_asp_slot % 2) * 0x00e;
3402
3403         ati_channel_setup = snd_hda_codec_read(codec, pin_nid, 0, verb, 0);
3404
3405         if (!(ati_channel_setup & ATI_OUT_ENABLE))
3406                 return 0xf;
3407
3408         return ((ati_channel_setup & 0xf0) >> 4) + !!was_odd;
3409 }
3410
3411 static int atihdmi_paired_chmap_cea_alloc_validate_get_type(
3412                 struct hdac_chmap *chmap,
3413                 struct hdac_cea_channel_speaker_allocation *cap,
3414                 int channels)
3415 {
3416         int c;
3417
3418         /*
3419          * Pre-rev3 ATI/AMD codecs operate in a paired channel mode, so
3420          * we need to take that into account (a single channel may take 2
3421          * channel slots if we need to carry a silent channel next to it).
3422          * On Rev3+ AMD codecs this function is not used.
3423          */
3424         int chanpairs = 0;
3425
3426         /* We only produce even-numbered channel count TLVs */
3427         if ((channels % 2) != 0)
3428                 return -1;
3429
3430         for (c = 0; c < 7; c += 2) {
3431                 if (cap->speakers[c] || cap->speakers[c+1])
3432                         chanpairs++;
3433         }
3434
3435         if (chanpairs * 2 != channels)
3436                 return -1;
3437
3438         return SNDRV_CTL_TLVT_CHMAP_PAIRED;
3439 }
3440
3441 static void atihdmi_paired_cea_alloc_to_tlv_chmap(struct hdac_chmap *hchmap,
3442                 struct hdac_cea_channel_speaker_allocation *cap,
3443                 unsigned int *chmap, int channels)
3444 {
3445         /* produce paired maps for pre-rev3 ATI/AMD codecs */
3446         int count = 0;
3447         int c;
3448
3449         for (c = 7; c >= 0; c--) {
3450                 int chan = 7 - atihdmi_paired_swap_fc_lfe(7 - c);
3451                 int spk = cap->speakers[chan];
3452                 if (!spk) {
3453                         /* add N/A channel if the companion channel is occupied */
3454                         if (cap->speakers[chan + (chan % 2 ? -1 : 1)])
3455                                 chmap[count++] = SNDRV_CHMAP_NA;
3456
3457                         continue;
3458                 }
3459
3460                 chmap[count++] = snd_hdac_spk_to_chmap(spk);
3461         }
3462
3463         WARN_ON(count != channels);
3464 }
3465
3466 static int atihdmi_pin_hbr_setup(struct hda_codec *codec, hda_nid_t pin_nid,
3467                                  bool hbr)
3468 {
3469         int hbr_ctl, hbr_ctl_new;
3470
3471         hbr_ctl = snd_hda_codec_read(codec, pin_nid, 0, ATI_VERB_GET_HBR_CONTROL, 0);
3472         if (hbr_ctl >= 0 && (hbr_ctl & ATI_HBR_CAPABLE)) {
3473                 if (hbr)
3474                         hbr_ctl_new = hbr_ctl | ATI_HBR_ENABLE;
3475                 else
3476                         hbr_ctl_new = hbr_ctl & ~ATI_HBR_ENABLE;
3477
3478                 codec_dbg(codec,
3479                           "atihdmi_pin_hbr_setup: NID=0x%x, %shbr-ctl=0x%x\n",
3480                                 pin_nid,
3481                                 hbr_ctl == hbr_ctl_new ? "" : "new-",
3482                                 hbr_ctl_new);
3483
3484                 if (hbr_ctl != hbr_ctl_new)
3485                         snd_hda_codec_write(codec, pin_nid, 0,
3486                                                 ATI_VERB_SET_HBR_CONTROL,
3487                                                 hbr_ctl_new);
3488
3489         } else if (hbr)
3490                 return -EINVAL;
3491
3492         return 0;
3493 }
3494
3495 static int atihdmi_setup_stream(struct hda_codec *codec, hda_nid_t cvt_nid,
3496                                 hda_nid_t pin_nid, u32 stream_tag, int format)
3497 {
3498
3499         if (is_amdhdmi_rev3_or_later(codec)) {
3500                 int ramp_rate = 180; /* default as per AMD spec */
3501                 /* disable ramp-up/down for non-pcm as per AMD spec */
3502                 if (format & AC_FMT_TYPE_NON_PCM)
3503                         ramp_rate = 0;
3504
3505                 snd_hda_codec_write(codec, cvt_nid, 0, ATI_VERB_SET_RAMP_RATE, ramp_rate);
3506         }
3507
3508         return hdmi_setup_stream(codec, cvt_nid, pin_nid, stream_tag, format);
3509 }
3510
3511
3512 static int atihdmi_init(struct hda_codec *codec)
3513 {
3514         struct hdmi_spec *spec = codec->spec;
3515         int pin_idx, err;
3516
3517         err = generic_hdmi_init(codec);
3518
3519         if (err)
3520                 return err;
3521
3522         for (pin_idx = 0; pin_idx < spec->num_pins; pin_idx++) {
3523                 struct hdmi_spec_per_pin *per_pin = get_pin(spec, pin_idx);
3524
3525                 /* make sure downmix information in infoframe is zero */
3526                 snd_hda_codec_write(codec, per_pin->pin_nid, 0, ATI_VERB_SET_DOWNMIX_INFO, 0);
3527
3528                 /* enable channel-wise remap mode if supported */
3529                 if (has_amd_full_remap_support(codec))
3530                         snd_hda_codec_write(codec, per_pin->pin_nid, 0,
3531                                             ATI_VERB_SET_MULTICHANNEL_MODE,
3532                                             ATI_MULTICHANNEL_MODE_SINGLE);
3533         }
3534
3535         return 0;
3536 }
3537
3538 static int patch_atihdmi(struct hda_codec *codec)
3539 {
3540         struct hdmi_spec *spec;
3541         struct hdmi_spec_per_cvt *per_cvt;
3542         int err, cvt_idx;
3543
3544         err = patch_generic_hdmi(codec);
3545
3546         if (err)
3547                 return err;
3548
3549         codec->patch_ops.init = atihdmi_init;
3550
3551         spec = codec->spec;
3552
3553         spec->ops.pin_get_eld = atihdmi_pin_get_eld;
3554         spec->ops.pin_setup_infoframe = atihdmi_pin_setup_infoframe;
3555         spec->ops.pin_hbr_setup = atihdmi_pin_hbr_setup;
3556         spec->ops.setup_stream = atihdmi_setup_stream;
3557
3558         spec->chmap.ops.pin_get_slot_channel = atihdmi_pin_get_slot_channel;
3559         spec->chmap.ops.pin_set_slot_channel = atihdmi_pin_set_slot_channel;
3560
3561         if (!has_amd_full_remap_support(codec)) {
3562                 /* override to ATI/AMD-specific versions with pairwise mapping */
3563                 spec->chmap.ops.chmap_cea_alloc_validate_get_type =
3564                         atihdmi_paired_chmap_cea_alloc_validate_get_type;
3565                 spec->chmap.ops.cea_alloc_to_tlv_chmap =
3566                                 atihdmi_paired_cea_alloc_to_tlv_chmap;
3567                 spec->chmap.ops.chmap_validate = atihdmi_paired_chmap_validate;
3568         }
3569
3570         /* ATI/AMD converters do not advertise all of their capabilities */
3571         for (cvt_idx = 0; cvt_idx < spec->num_cvts; cvt_idx++) {
3572                 per_cvt = get_cvt(spec, cvt_idx);
3573                 per_cvt->channels_max = max(per_cvt->channels_max, 8u);
3574                 per_cvt->rates |= SUPPORTED_RATES;
3575                 per_cvt->formats |= SUPPORTED_FORMATS;
3576                 per_cvt->maxbps = max(per_cvt->maxbps, 24u);
3577         }
3578
3579         spec->chmap.channels_max = max(spec->chmap.channels_max, 8u);
3580
3581         return 0;
3582 }
3583
3584 /* VIA HDMI Implementation */
3585 #define VIAHDMI_CVT_NID 0x02    /* audio converter1 */
3586 #define VIAHDMI_PIN_NID 0x03    /* HDMI output pin1 */
3587
3588 static int patch_via_hdmi(struct hda_codec *codec)
3589 {
3590         return patch_simple_hdmi(codec, VIAHDMI_CVT_NID, VIAHDMI_PIN_NID);
3591 }
3592
3593 /*
3594  * patch entries
3595  */
3596 static const struct hda_device_id snd_hda_id_hdmi[] = {
3597 HDA_CODEC_ENTRY(0x1002793c, "RS600 HDMI",       patch_atihdmi),
3598 HDA_CODEC_ENTRY(0x10027919, "RS600 HDMI",       patch_atihdmi),
3599 HDA_CODEC_ENTRY(0x1002791a, "RS690/780 HDMI",   patch_atihdmi),
3600 HDA_CODEC_ENTRY(0x1002aa01, "R6xx HDMI",        patch_atihdmi),
3601 HDA_CODEC_ENTRY(0x10951390, "SiI1390 HDMI",     patch_generic_hdmi),
3602 HDA_CODEC_ENTRY(0x10951392, "SiI1392 HDMI",     patch_generic_hdmi),
3603 HDA_CODEC_ENTRY(0x17e80047, "Chrontel HDMI",    patch_generic_hdmi),
3604 HDA_CODEC_ENTRY(0x10de0002, "MCP77/78 HDMI",    patch_nvhdmi_8ch_7x),
3605 HDA_CODEC_ENTRY(0x10de0003, "MCP77/78 HDMI",    patch_nvhdmi_8ch_7x),
3606 HDA_CODEC_ENTRY(0x10de0005, "MCP77/78 HDMI",    patch_nvhdmi_8ch_7x),
3607 HDA_CODEC_ENTRY(0x10de0006, "MCP77/78 HDMI",    patch_nvhdmi_8ch_7x),
3608 HDA_CODEC_ENTRY(0x10de0007, "MCP79/7A HDMI",    patch_nvhdmi_8ch_7x),
3609 HDA_CODEC_ENTRY(0x10de000a, "GPU 0a HDMI/DP",   patch_nvhdmi),
3610 HDA_CODEC_ENTRY(0x10de000b, "GPU 0b HDMI/DP",   patch_nvhdmi),
3611 HDA_CODEC_ENTRY(0x10de000c, "MCP89 HDMI",       patch_nvhdmi),
3612 HDA_CODEC_ENTRY(0x10de000d, "GPU 0d HDMI/DP",   patch_nvhdmi),
3613 HDA_CODEC_ENTRY(0x10de0010, "GPU 10 HDMI/DP",   patch_nvhdmi),
3614 HDA_CODEC_ENTRY(0x10de0011, "GPU 11 HDMI/DP",   patch_nvhdmi),
3615 HDA_CODEC_ENTRY(0x10de0012, "GPU 12 HDMI/DP",   patch_nvhdmi),
3616 HDA_CODEC_ENTRY(0x10de0013, "GPU 13 HDMI/DP",   patch_nvhdmi),
3617 HDA_CODEC_ENTRY(0x10de0014, "GPU 14 HDMI/DP",   patch_nvhdmi),
3618 HDA_CODEC_ENTRY(0x10de0015, "GPU 15 HDMI/DP",   patch_nvhdmi),
3619 HDA_CODEC_ENTRY(0x10de0016, "GPU 16 HDMI/DP",   patch_nvhdmi),
3620 /* 17 is known to be absent */
3621 HDA_CODEC_ENTRY(0x10de0018, "GPU 18 HDMI/DP",   patch_nvhdmi),
3622 HDA_CODEC_ENTRY(0x10de0019, "GPU 19 HDMI/DP",   patch_nvhdmi),
3623 HDA_CODEC_ENTRY(0x10de001a, "GPU 1a HDMI/DP",   patch_nvhdmi),
3624 HDA_CODEC_ENTRY(0x10de001b, "GPU 1b HDMI/DP",   patch_nvhdmi),
3625 HDA_CODEC_ENTRY(0x10de001c, "GPU 1c HDMI/DP",   patch_nvhdmi),
3626 HDA_CODEC_ENTRY(0x10de0020, "Tegra30 HDMI",     patch_tegra_hdmi),
3627 HDA_CODEC_ENTRY(0x10de0022, "Tegra114 HDMI",    patch_tegra_hdmi),
3628 HDA_CODEC_ENTRY(0x10de0028, "Tegra124 HDMI",    patch_tegra_hdmi),
3629 HDA_CODEC_ENTRY(0x10de0029, "Tegra210 HDMI/DP", patch_tegra_hdmi),
3630 HDA_CODEC_ENTRY(0x10de0040, "GPU 40 HDMI/DP",   patch_nvhdmi),
3631 HDA_CODEC_ENTRY(0x10de0041, "GPU 41 HDMI/DP",   patch_nvhdmi),
3632 HDA_CODEC_ENTRY(0x10de0042, "GPU 42 HDMI/DP",   patch_nvhdmi),
3633 HDA_CODEC_ENTRY(0x10de0043, "GPU 43 HDMI/DP",   patch_nvhdmi),
3634 HDA_CODEC_ENTRY(0x10de0044, "GPU 44 HDMI/DP",   patch_nvhdmi),
3635 HDA_CODEC_ENTRY(0x10de0051, "GPU 51 HDMI/DP",   patch_nvhdmi),
3636 HDA_CODEC_ENTRY(0x10de0060, "GPU 60 HDMI/DP",   patch_nvhdmi),
3637 HDA_CODEC_ENTRY(0x10de0067, "MCP67 HDMI",       patch_nvhdmi_2ch),
3638 HDA_CODEC_ENTRY(0x10de0070, "GPU 70 HDMI/DP",   patch_nvhdmi),
3639 HDA_CODEC_ENTRY(0x10de0071, "GPU 71 HDMI/DP",   patch_nvhdmi),
3640 HDA_CODEC_ENTRY(0x10de0072, "GPU 72 HDMI/DP",   patch_nvhdmi),
3641 HDA_CODEC_ENTRY(0x10de007d, "GPU 7d HDMI/DP",   patch_nvhdmi),
3642 HDA_CODEC_ENTRY(0x10de0080, "GPU 80 HDMI/DP",   patch_nvhdmi),
3643 HDA_CODEC_ENTRY(0x10de0082, "GPU 82 HDMI/DP",   patch_nvhdmi),
3644 HDA_CODEC_ENTRY(0x10de0083, "GPU 83 HDMI/DP",   patch_nvhdmi),
3645 HDA_CODEC_ENTRY(0x10de8001, "MCP73 HDMI",       patch_nvhdmi_2ch),
3646 HDA_CODEC_ENTRY(0x11069f80, "VX900 HDMI/DP",    patch_via_hdmi),
3647 HDA_CODEC_ENTRY(0x11069f81, "VX900 HDMI/DP",    patch_via_hdmi),
3648 HDA_CODEC_ENTRY(0x11069f84, "VX11 HDMI/DP",     patch_generic_hdmi),
3649 HDA_CODEC_ENTRY(0x11069f85, "VX11 HDMI/DP",     patch_generic_hdmi),
3650 HDA_CODEC_ENTRY(0x80860054, "IbexPeak HDMI",    patch_i915_cpt_hdmi),
3651 HDA_CODEC_ENTRY(0x80862801, "Bearlake HDMI",    patch_generic_hdmi),
3652 HDA_CODEC_ENTRY(0x80862802, "Cantiga HDMI",     patch_generic_hdmi),
3653 HDA_CODEC_ENTRY(0x80862803, "Eaglelake HDMI",   patch_generic_hdmi),
3654 HDA_CODEC_ENTRY(0x80862804, "IbexPeak HDMI",    patch_i915_cpt_hdmi),
3655 HDA_CODEC_ENTRY(0x80862805, "CougarPoint HDMI", patch_i915_cpt_hdmi),
3656 HDA_CODEC_ENTRY(0x80862806, "PantherPoint HDMI", patch_i915_cpt_hdmi),
3657 HDA_CODEC_ENTRY(0x80862807, "Haswell HDMI",     patch_i915_hsw_hdmi),
3658 HDA_CODEC_ENTRY(0x80862808, "Broadwell HDMI",   patch_i915_hsw_hdmi),
3659 HDA_CODEC_ENTRY(0x80862809, "Skylake HDMI",     patch_i915_hsw_hdmi),
3660 HDA_CODEC_ENTRY(0x8086280a, "Broxton HDMI",     patch_i915_hsw_hdmi),
3661 HDA_CODEC_ENTRY(0x8086280b, "Kabylake HDMI",    patch_i915_hsw_hdmi),
3662 HDA_CODEC_ENTRY(0x8086280d, "Geminilake HDMI",  patch_i915_hsw_hdmi),
3663 HDA_CODEC_ENTRY(0x80862880, "CedarTrail HDMI",  patch_generic_hdmi),
3664 HDA_CODEC_ENTRY(0x80862882, "Valleyview2 HDMI", patch_i915_byt_hdmi),
3665 HDA_CODEC_ENTRY(0x80862883, "Braswell HDMI",    patch_i915_byt_hdmi),
3666 HDA_CODEC_ENTRY(0x808629fb, "Crestline HDMI",   patch_generic_hdmi),
3667 /* special ID for generic HDMI */
3668 HDA_CODEC_ENTRY(HDA_CODEC_ID_GENERIC_HDMI, "Generic HDMI", patch_generic_hdmi),
3669 {} /* terminator */
3670 };
3671 MODULE_DEVICE_TABLE(hdaudio, snd_hda_id_hdmi);
3672
3673 MODULE_LICENSE("GPL");
3674 MODULE_DESCRIPTION("HDMI HD-audio codec");
3675 MODULE_ALIAS("snd-hda-codec-intelhdmi");
3676 MODULE_ALIAS("snd-hda-codec-nvhdmi");
3677 MODULE_ALIAS("snd-hda-codec-atihdmi");
3678
3679 static struct hda_codec_driver hdmi_driver = {
3680         .id = snd_hda_id_hdmi,
3681 };
3682
3683 module_hda_codec_driver(hdmi_driver);