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  *
  10  *  Authors:
  11  *                      Wu Fengguang <wfg@linux.intel.com>
  12  *
  13  *  Maintained by:
  14  *                      Wu Fengguang <wfg@linux.intel.com>
  15  *
  16  *  This program is free software; you can redistribute it and/or modify it
  17  *  under the terms of the GNU General Public License as published by the Free
  18  *  Software Foundation; either version 2 of the License, or (at your option)
  19  *  any later version.
  20  *
  21  *  This program is distributed in the hope that it will be useful, but
  22  *  WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
  23  *  or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  24  *  for more details.
  25  *
  26  *  You should have received a copy of the GNU General Public License
  27  *  along with this program; if not, write to the Free Software Foundation,
  28  *  Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
  29  */
  30
  31 #include <linux/init.h>
  32 #include <linux/delay.h>
  33 #include <linux/slab.h>
  34 #include <linux/module.h>
  35 #include <sound/core.h>
  36 #include <sound/jack.h>
  37 #include <sound/asoundef.h>
  38 #include <sound/tlv.h>
  39 #include "hda_codec.h"
  40 #include "hda_local.h"
  41 #include "hda_jack.h"
  42
  43 static bool static_hdmi_pcm;
  44 module_param(static_hdmi_pcm, bool, 0644);
  45 MODULE_PARM_DESC(static_hdmi_pcm, "Don't restrict PCM parameters per ELD info");
  46
  47 #define is_haswell(codec)  ((codec)->vendor_id == 0x80862807)
  48
  49 struct hdmi_spec_per_cvt {
  50         hda_nid_t cvt_nid;
  51         int assigned;
  52         unsigned int channels_min;
  53         unsigned int channels_max;
  54         u32 rates;
  55         u64 formats;
  56         unsigned int maxbps;
  57 };
  58
  59 /* max. connections to a widget */
  60 #define HDA_MAX_CONNECTIONS     32
  61
  62 struct hdmi_spec_per_pin {
  63         hda_nid_t pin_nid;
  64         int num_mux_nids;
  65         hda_nid_t mux_nids[HDA_MAX_CONNECTIONS];
  66
  67         struct hda_codec *codec;
  68         struct hdmi_eld sink_eld;
  69         struct delayed_work work;
  70         struct snd_kcontrol *eld_ctl;
  71         int repoll_count;
  72         bool setup; /* the stream has been set up by prepare callback */
  73         int channels; /* current number of channels */
  74         bool non_pcm;
  75         bool chmap_set;         /* channel-map override by ALSA API? */
  76         unsigned char chmap[8]; /* ALSA API channel-map */
  77         char pcm_name[8];       /* filled in build_pcm callbacks */
  78 };
  79
  80 struct hdmi_spec {
  81         int num_cvts;
  82         struct snd_array cvts; /* struct hdmi_spec_per_cvt */
  83         hda_nid_t cvt_nids[4]; /* only for haswell fix */
  84
  85         int num_pins;
  86         struct snd_array pins; /* struct hdmi_spec_per_pin */
  87         struct snd_array pcm_rec; /* struct hda_pcm */
  88         unsigned int channels_max; /* max over all cvts */
  89
  90         struct hdmi_eld temp_eld;
  91         /*
  92          * Non-generic ATI/NVIDIA specific
  93          */
  94         struct hda_multi_out multiout;
  95         struct hda_pcm_stream pcm_playback;
  96 };
  97
  98
  99 struct hdmi_audio_infoframe {
 100         u8 type; /* 0x84 */
 101         u8 ver;  /* 0x01 */
 102         u8 len;  /* 0x0a */
 103
 104         u8 checksum;
 105
 106         u8 CC02_CT47;   /* CC in bits 0:2, CT in 4:7 */
 107         u8 SS01_SF24;
 108         u8 CXT04;
 109         u8 CA;
 110         u8 LFEPBL01_LSV36_DM_INH7;
 111 };
 112
 113 struct dp_audio_infoframe {
 114         u8 type; /* 0x84 */
 115         u8 len;  /* 0x1b */
 116         u8 ver;  /* 0x11 << 2 */
 117
 118         u8 CC02_CT47;   /* match with HDMI infoframe from this on */
 119         u8 SS01_SF24;
 120         u8 CXT04;
 121         u8 CA;
 122         u8 LFEPBL01_LSV36_DM_INH7;
 123 };
 124
 125 union audio_infoframe {
 126         struct hdmi_audio_infoframe hdmi;
 127         struct dp_audio_infoframe dp;
 128         u8 bytes[0];
 129 };
 130
 131 /*
 132  * CEA speaker placement:
 133  *
 134  *        FLH       FCH        FRH
 135  *  FLW    FL  FLC   FC   FRC   FR   FRW
 136  *
 137  *                                  LFE
 138  *                     TC
 139  *
 140  *          RL  RLC   RC   RRC   RR
 141  *
 142  * The Left/Right Surround channel _notions_ LS/RS in SMPTE 320M corresponds to
 143  * CEA RL/RR; The SMPTE channel _assignment_ C/LFE is swapped to CEA LFE/FC.
 144  */
 145 enum cea_speaker_placement {
 146         FL  = (1 <<  0),        /* Front Left           */
 147         FC  = (1 <<  1),        /* Front Center         */
 148         FR  = (1 <<  2),        /* Front Right          */
 149         FLC = (1 <<  3),        /* Front Left Center    */
 150         FRC = (1 <<  4),        /* Front Right Center   */
 151         RL  = (1 <<  5),        /* Rear Left            */
 152         RC  = (1 <<  6),        /* Rear Center          */
 153         RR  = (1 <<  7),        /* Rear Right           */
 154         RLC = (1 <<  8),        /* Rear Left Center     */
 155         RRC = (1 <<  9),        /* Rear Right Center    */
 156         LFE = (1 << 10),        /* Low Frequency Effect */
 157         FLW = (1 << 11),        /* Front Left Wide      */
 158         FRW = (1 << 12),        /* Front Right Wide     */
 159         FLH = (1 << 13),        /* Front Left High      */
 160         FCH = (1 << 14),        /* Front Center High    */
 161         FRH = (1 << 15),        /* Front Right High     */
 162         TC  = (1 << 16),        /* Top Center           */
 163 };
 164
 165 /*
 166  * ELD SA bits in the CEA Speaker Allocation data block
 167  */
 168 static int eld_speaker_allocation_bits[] = {
 169         [0] = FL | FR,
 170         [1] = LFE,
 171         [2] = FC,
 172         [3] = RL | RR,
 173         [4] = RC,
 174         [5] = FLC | FRC,
 175         [6] = RLC | RRC,
 176         /* the following are not defined in ELD yet */
 177         [7] = FLW | FRW,
 178         [8] = FLH | FRH,
 179         [9] = TC,
 180         [10] = FCH,
 181 };
 182
 183 struct cea_channel_speaker_allocation {
 184         int ca_index;
 185         int speakers[8];
 186
 187         /* derived values, just for convenience */
 188         int channels;
 189         int spk_mask;
 190 };
 191
 192 /*
 193  * ALSA sequence is:
 194  *
 195  *       surround40   surround41   surround50   surround51   surround71
 196  * ch0   front left   =            =            =            =
 197  * ch1   front right  =            =            =            =
 198  * ch2   rear left    =            =            =            =
 199  * ch3   rear right   =            =            =            =
 200  * ch4                LFE          center       center       center
 201  * ch5                                          LFE          LFE
 202  * ch6                                                       side left
 203  * ch7                                                       side right
 204  *
 205  * surround71 = {FL, FR, RLC, RRC, FC, LFE, RL, RR}
 206  */
 207 static int hdmi_channel_mapping[0x32][8] = {
 208         /* stereo */
 209         [0x00] = { 0x00, 0x11, 0xf2, 0xf3, 0xf4, 0xf5, 0xf6, 0xf7 },
 210         /* 2.1 */
 211         [0x01] = { 0x00, 0x11, 0x22, 0xf3, 0xf4, 0xf5, 0xf6, 0xf7 },
 212         /* Dolby Surround */
 213         [0x02] = { 0x00, 0x11, 0x23, 0xf2, 0xf4, 0xf5, 0xf6, 0xf7 },
 214         /* surround40 */
 215         [0x08] = { 0x00, 0x11, 0x24, 0x35, 0xf3, 0xf2, 0xf6, 0xf7 },
 216         /* 4ch */
 217         [0x03] = { 0x00, 0x11, 0x23, 0x32, 0x44, 0xf5, 0xf6, 0xf7 },
 218         /* surround41 */
 219         [0x09] = { 0x00, 0x11, 0x24, 0x35, 0x42, 0xf3, 0xf6, 0xf7 },
 220         /* surround50 */
 221         [0x0a] = { 0x00, 0x11, 0x24, 0x35, 0x43, 0xf2, 0xf6, 0xf7 },
 222         /* surround51 */
 223         [0x0b] = { 0x00, 0x11, 0x24, 0x35, 0x43, 0x52, 0xf6, 0xf7 },
 224         /* 7.1 */
 225         [0x13] = { 0x00, 0x11, 0x26, 0x37, 0x43, 0x52, 0x64, 0x75 },
 226 };
 227
 228 /*
 229  * This is an ordered list!
 230  *
 231  * The preceding ones have better chances to be selected by
 232  * hdmi_channel_allocation().
 233  */
 234 static struct cea_channel_speaker_allocation channel_allocations[] = {
 235 /*                        channel:   7     6    5    4    3     2    1    0  */
 236 { .ca_index = 0x00,  .speakers = {   0,    0,   0,   0,   0,    0,  FR,  FL } },
 237                                  /* 2.1 */
 238 { .ca_index = 0x01,  .speakers = {   0,    0,   0,   0,   0,  LFE,  FR,  FL } },
 239                                  /* Dolby Surround */
 240 { .ca_index = 0x02,  .speakers = {   0,    0,   0,   0,  FC,    0,  FR,  FL } },
 241                                  /* surround40 */
 242 { .ca_index = 0x08,  .speakers = {   0,    0,  RR,  RL,   0,    0,  FR,  FL } },
 243                                  /* surround41 */
 244 { .ca_index = 0x09,  .speakers = {   0,    0,  RR,  RL,   0,  LFE,  FR,  FL } },
 245                                  /* surround50 */
 246 { .ca_index = 0x0a,  .speakers = {   0,    0,  RR,  RL,  FC,    0,  FR,  FL } },
 247                                  /* surround51 */
 248 { .ca_index = 0x0b,  .speakers = {   0,    0,  RR,  RL,  FC,  LFE,  FR,  FL } },
 249                                  /* 6.1 */
 250 { .ca_index = 0x0f,  .speakers = {   0,   RC,  RR,  RL,  FC,  LFE,  FR,  FL } },
 251                                  /* surround71 */
 252 { .ca_index = 0x13,  .speakers = { RRC,  RLC,  RR,  RL,  FC,  LFE,  FR,  FL } },
 253
 254 { .ca_index = 0x03,  .speakers = {   0,    0,   0,   0,  FC,  LFE,  FR,  FL } },
 255 { .ca_index = 0x04,  .speakers = {   0,    0,   0,  RC,   0,    0,  FR,  FL } },
 256 { .ca_index = 0x05,  .speakers = {   0,    0,   0,  RC,   0,  LFE,  FR,  FL } },
 257 { .ca_index = 0x06,  .speakers = {   0,    0,   0,  RC,  FC,    0,  FR,  FL } },
 258 { .ca_index = 0x07,  .speakers = {   0,    0,   0,  RC,  FC,  LFE,  FR,  FL } },
 259 { .ca_index = 0x0c,  .speakers = {   0,   RC,  RR,  RL,   0,    0,  FR,  FL } },
 260 { .ca_index = 0x0d,  .speakers = {   0,   RC,  RR,  RL,   0,  LFE,  FR,  FL } },
 261 { .ca_index = 0x0e,  .speakers = {   0,   RC,  RR,  RL,  FC,    0,  FR,  FL } },
 262 { .ca_index = 0x10,  .speakers = { RRC,  RLC,  RR,  RL,   0,    0,  FR,  FL } },
 263 { .ca_index = 0x11,  .speakers = { RRC,  RLC,  RR,  RL,   0,  LFE,  FR,  FL } },
 264 { .ca_index = 0x12,  .speakers = { RRC,  RLC,  RR,  RL,  FC,    0,  FR,  FL } },
 265 { .ca_index = 0x14,  .speakers = { FRC,  FLC,   0,   0,   0,    0,  FR,  FL } },
 266 { .ca_index = 0x15,  .speakers = { FRC,  FLC,   0,   0,   0,  LFE,  FR,  FL } },
 267 { .ca_index = 0x16,  .speakers = { FRC,  FLC,   0,   0,  FC,    0,  FR,  FL } },
 268 { .ca_index = 0x17,  .speakers = { FRC,  FLC,   0,   0,  FC,  LFE,  FR,  FL } },
 269 { .ca_index = 0x18,  .speakers = { FRC,  FLC,   0,  RC,   0,    0,  FR,  FL } },
 270 { .ca_index = 0x19,  .speakers = { FRC,  FLC,   0,  RC,   0,  LFE,  FR,  FL } },
 271 { .ca_index = 0x1a,  .speakers = { FRC,  FLC,   0,  RC,  FC,    0,  FR,  FL } },
 272 { .ca_index = 0x1b,  .speakers = { FRC,  FLC,   0,  RC,  FC,  LFE,  FR,  FL } },
 273 { .ca_index = 0x1c,  .speakers = { FRC,  FLC,  RR,  RL,   0,    0,  FR,  FL } },
 274 { .ca_index = 0x1d,  .speakers = { FRC,  FLC,  RR,  RL,   0,  LFE,  FR,  FL } },
 275 { .ca_index = 0x1e,  .speakers = { FRC,  FLC,  RR,  RL,  FC,    0,  FR,  FL } },
 276 { .ca_index = 0x1f,  .speakers = { FRC,  FLC,  RR,  RL,  FC,  LFE,  FR,  FL } },
 277 { .ca_index = 0x20,  .speakers = {   0,  FCH,  RR,  RL,  FC,    0,  FR,  FL } },
 278 { .ca_index = 0x21,  .speakers = {   0,  FCH,  RR,  RL,  FC,  LFE,  FR,  FL } },
 279 { .ca_index = 0x22,  .speakers = {  TC,    0,  RR,  RL,  FC,    0,  FR,  FL } },
 280 { .ca_index = 0x23,  .speakers = {  TC,    0,  RR,  RL,  FC,  LFE,  FR,  FL } },
 281 { .ca_index = 0x24,  .speakers = { FRH,  FLH,  RR,  RL,   0,    0,  FR,  FL } },
 282 { .ca_index = 0x25,  .speakers = { FRH,  FLH,  RR,  RL,   0,  LFE,  FR,  FL } },
 283 { .ca_index = 0x26,  .speakers = { FRW,  FLW,  RR,  RL,   0,    0,  FR,  FL } },
 284 { .ca_index = 0x27,  .speakers = { FRW,  FLW,  RR,  RL,   0,  LFE,  FR,  FL } },
 285 { .ca_index = 0x28,  .speakers = {  TC,   RC,  RR,  RL,  FC,    0,  FR,  FL } },
 286 { .ca_index = 0x29,  .speakers = {  TC,   RC,  RR,  RL,  FC,  LFE,  FR,  FL } },
 287 { .ca_index = 0x2a,  .speakers = { FCH,   RC,  RR,  RL,  FC,    0,  FR,  FL } },
 288 { .ca_index = 0x2b,  .speakers = { FCH,   RC,  RR,  RL,  FC,  LFE,  FR,  FL } },
 289 { .ca_index = 0x2c,  .speakers = {  TC,  FCH,  RR,  RL,  FC,    0,  FR,  FL } },
 290 { .ca_index = 0x2d,  .speakers = {  TC,  FCH,  RR,  RL,  FC,  LFE,  FR,  FL } },
 291 { .ca_index = 0x2e,  .speakers = { FRH,  FLH,  RR,  RL,  FC,    0,  FR,  FL } },
 292 { .ca_index = 0x2f,  .speakers = { FRH,  FLH,  RR,  RL,  FC,  LFE,  FR,  FL } },
 293 { .ca_index = 0x30,  .speakers = { FRW,  FLW,  RR,  RL,  FC,    0,  FR,  FL } },
 294 { .ca_index = 0x31,  .speakers = { FRW,  FLW,  RR,  RL,  FC,  LFE,  FR,  FL } },
 295 };
 296
 297
 298 /*
 299  * HDMI routines
 300  */
 301
 302 #define get_pin(spec, idx) \
 303         ((struct hdmi_spec_per_pin *)snd_array_elem(&spec->pins, idx))
 304 #define get_cvt(spec, idx) \
 305         ((struct hdmi_spec_per_cvt  *)snd_array_elem(&spec->cvts, idx))
 306 #define get_pcm_rec(spec, idx) \
 307         ((struct hda_pcm *)snd_array_elem(&spec->pcm_rec, idx))
 308
 309 static int pin_nid_to_pin_index(struct hdmi_spec *spec, hda_nid_t pin_nid)
 310 {
 311         int pin_idx;
 312
 313         for (pin_idx = 0; pin_idx < spec->num_pins; pin_idx++)
 314                 if (get_pin(spec, pin_idx)->pin_nid == pin_nid)
 315                         return pin_idx;
 316
 317         snd_printk(KERN_WARNING "HDMI: pin nid %d not registered\n", pin_nid);
 318         return -EINVAL;
 319 }
 320
 321 static int hinfo_to_pin_index(struct hdmi_spec *spec,
 322                               struct hda_pcm_stream *hinfo)
 323 {
 324         int pin_idx;
 325
 326         for (pin_idx = 0; pin_idx < spec->num_pins; pin_idx++)
 327                 if (get_pcm_rec(spec, pin_idx)->stream == hinfo)
 328                         return pin_idx;
 329
 330         snd_printk(KERN_WARNING "HDMI: hinfo %p not registered\n", hinfo);
 331         return -EINVAL;
 332 }
 333
 334 static int cvt_nid_to_cvt_index(struct hdmi_spec *spec, hda_nid_t cvt_nid)
 335 {
 336         int cvt_idx;
 337
 338         for (cvt_idx = 0; cvt_idx < spec->num_cvts; cvt_idx++)
 339                 if (get_cvt(spec, cvt_idx)->cvt_nid == cvt_nid)
 340                         return cvt_idx;
 341
 342         snd_printk(KERN_WARNING "HDMI: cvt nid %d not registered\n", cvt_nid);
 343         return -EINVAL;
 344 }
 345
 346 static int hdmi_eld_ctl_info(struct snd_kcontrol *kcontrol,
 347                         struct snd_ctl_elem_info *uinfo)
 348 {
 349         struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
 350         struct hdmi_spec *spec = codec->spec;
 351         struct hdmi_eld *eld;
 352         int pin_idx;
 353
 354         uinfo->type = SNDRV_CTL_ELEM_TYPE_BYTES;
 355
 356         pin_idx = kcontrol->private_value;
 357         eld = &get_pin(spec, pin_idx)->sink_eld;
 358
 359         mutex_lock(&eld->lock);
 360         uinfo->count = eld->eld_valid ? eld->eld_size : 0;
 361         mutex_unlock(&eld->lock);
 362
 363         return 0;
 364 }
 365
 366 static int hdmi_eld_ctl_get(struct snd_kcontrol *kcontrol,
 367                         struct snd_ctl_elem_value *ucontrol)
 368 {
 369         struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
 370         struct hdmi_spec *spec = codec->spec;
 371         struct hdmi_eld *eld;
 372         int pin_idx;
 373
 374         pin_idx = kcontrol->private_value;
 375         eld = &get_pin(spec, pin_idx)->sink_eld;
 376
 377         mutex_lock(&eld->lock);
 378         if (eld->eld_size > ARRAY_SIZE(ucontrol->value.bytes.data)) {
 379                 mutex_unlock(&eld->lock);
 380                 snd_BUG();
 381                 return -EINVAL;
 382         }
 383
 384         memset(ucontrol->value.bytes.data, 0,
 385                ARRAY_SIZE(ucontrol->value.bytes.data));
 386         if (eld->eld_valid)
 387                 memcpy(ucontrol->value.bytes.data, eld->eld_buffer,
 388                        eld->eld_size);
 389         mutex_unlock(&eld->lock);
 390
 391         return 0;
 392 }
 393
 394 static struct snd_kcontrol_new eld_bytes_ctl = {
 395         .access = SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_VOLATILE,
 396         .iface = SNDRV_CTL_ELEM_IFACE_PCM,
 397         .name = "ELD",
 398         .info = hdmi_eld_ctl_info,
 399         .get = hdmi_eld_ctl_get,
 400 };
 401
 402 static int hdmi_create_eld_ctl(struct hda_codec *codec, int pin_idx,
 403                         int device)
 404 {
 405         struct snd_kcontrol *kctl;
 406         struct hdmi_spec *spec = codec->spec;
 407         int err;
 408
 409         kctl = snd_ctl_new1(&eld_bytes_ctl, codec);
 410         if (!kctl)
 411                 return -ENOMEM;
 412         kctl->private_value = pin_idx;
 413         kctl->id.device = device;
 414
 415         err = snd_hda_ctl_add(codec, get_pin(spec, pin_idx)->pin_nid, kctl);
 416         if (err < 0)
 417                 return err;
 418
 419         get_pin(spec, pin_idx)->eld_ctl = kctl;
 420         return 0;
 421 }
 422
 423 #ifdef BE_PARANOID
 424 static void hdmi_get_dip_index(struct hda_codec *codec, hda_nid_t pin_nid,
 425                                 int *packet_index, int *byte_index)
 426 {
 427         int val;
 428
 429         val = snd_hda_codec_read(codec, pin_nid, 0,
 430                                  AC_VERB_GET_HDMI_DIP_INDEX, 0);
 431
 432         *packet_index = val >> 5;
 433         *byte_index = val & 0x1f;
 434 }
 435 #endif
 436
 437 static void hdmi_set_dip_index(struct hda_codec *codec, hda_nid_t pin_nid,
 438                                 int packet_index, int byte_index)
 439 {
 440         int val;
 441
 442         val = (packet_index << 5) | (byte_index & 0x1f);
 443
 444         snd_hda_codec_write(codec, pin_nid, 0, AC_VERB_SET_HDMI_DIP_INDEX, val);
 445 }
 446
 447 static void hdmi_write_dip_byte(struct hda_codec *codec, hda_nid_t pin_nid,
 448                                 unsigned char val)
 449 {
 450         snd_hda_codec_write(codec, pin_nid, 0, AC_VERB_SET_HDMI_DIP_DATA, val);
 451 }
 452
 453 static void hdmi_init_pin(struct hda_codec *codec, hda_nid_t pin_nid)
 454 {
 455         /* Unmute */
 456         if (get_wcaps(codec, pin_nid) & AC_WCAP_OUT_AMP)
 457                 snd_hda_codec_write(codec, pin_nid, 0,
 458                                 AC_VERB_SET_AMP_GAIN_MUTE, AMP_OUT_UNMUTE);
 459         /* Enable pin out: some machines with GM965 gets broken output when
 460          * the pin is disabled or changed while using with HDMI
 461          */
 462         snd_hda_codec_write(codec, pin_nid, 0,
 463                             AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_OUT);
 464 }
 465
 466 static int hdmi_get_channel_count(struct hda_codec *codec, hda_nid_t cvt_nid)
 467 {
 468         return 1 + snd_hda_codec_read(codec, cvt_nid, 0,
 469                                         AC_VERB_GET_CVT_CHAN_COUNT, 0);
 470 }
 471
 472 static void hdmi_set_channel_count(struct hda_codec *codec,
 473                                    hda_nid_t cvt_nid, int chs)
 474 {
 475         if (chs != hdmi_get_channel_count(codec, cvt_nid))
 476                 snd_hda_codec_write(codec, cvt_nid, 0,
 477                                     AC_VERB_SET_CVT_CHAN_COUNT, chs - 1);
 478 }
 479
 480
 481 /*
 482  * Channel mapping routines
 483  */
 484
 485 /*
 486  * Compute derived values in channel_allocations[].
 487  */
 488 static void init_channel_allocations(void)
 489 {
 490         int i, j;
 491         struct cea_channel_speaker_allocation *p;
 492
 493         for (i = 0; i < ARRAY_SIZE(channel_allocations); i++) {
 494                 p = channel_allocations + i;
 495                 p->channels = 0;
 496                 p->spk_mask = 0;
 497                 for (j = 0; j < ARRAY_SIZE(p->speakers); j++)
 498                         if (p->speakers[j]) {
 499                                 p->channels++;
 500                                 p->spk_mask |= p->speakers[j];
 501                         }
 502         }
 503 }
 504
 505 static int get_channel_allocation_order(int ca)
 506 {
 507         int i;
 508
 509         for (i = 0; i < ARRAY_SIZE(channel_allocations); i++) {
 510                 if (channel_allocations[i].ca_index == ca)
 511                         break;
 512         }
 513         return i;
 514 }
 515
 516 /*
 517  * The transformation takes two steps:
 518  *
 519  *      eld->spk_alloc => (eld_speaker_allocation_bits[]) => spk_mask
 520  *            spk_mask => (channel_allocations[])         => ai->CA
 521  *
 522  * TODO: it could select the wrong CA from multiple candidates.
 523 */
 524 static int hdmi_channel_allocation(struct hdmi_eld *eld, int channels)
 525 {
 526         int i;
 527         int ca = 0;
 528         int spk_mask = 0;
 529         char buf[SND_PRINT_CHANNEL_ALLOCATION_ADVISED_BUFSIZE];
 530
 531         /*
 532          * CA defaults to 0 for basic stereo audio
 533          */
 534         if (channels <= 2)
 535                 return 0;
 536
 537         /*
 538          * expand ELD's speaker allocation mask
 539          *
 540          * ELD tells the speaker mask in a compact(paired) form,
 541          * expand ELD's notions to match the ones used by Audio InfoFrame.
 542          */
 543         for (i = 0; i < ARRAY_SIZE(eld_speaker_allocation_bits); i++) {
 544                 if (eld->info.spk_alloc & (1 << i))
 545                         spk_mask |= eld_speaker_allocation_bits[i];
 546         }
 547
 548         /* search for the first working match in the CA table */
 549         for (i = 0; i < ARRAY_SIZE(channel_allocations); i++) {
 550                 if (channels == channel_allocations[i].channels &&
 551                     (spk_mask & channel_allocations[i].spk_mask) ==
 552                                 channel_allocations[i].spk_mask) {
 553                         ca = channel_allocations[i].ca_index;
 554                         break;
 555                 }
 556         }
 557
 558         if (!ca) {
 559                 /* if there was no match, select the regular ALSA channel
 560                  * allocation with the matching number of channels */
 561                 for (i = 0; i < ARRAY_SIZE(channel_allocations); i++) {
 562                         if (channels == channel_allocations[i].channels) {
 563                                 ca = channel_allocations[i].ca_index;
 564                                 break;
 565                         }
 566                 }
 567         }
 568
 569         snd_print_channel_allocation(eld->info.spk_alloc, buf, sizeof(buf));
 570         snd_printdd("HDMI: select CA 0x%x for %d-channel allocation: %s\n",
 571                     ca, channels, buf);
 572
 573         return ca;
 574 }
 575
 576 static void hdmi_debug_channel_mapping(struct hda_codec *codec,
 577                                        hda_nid_t pin_nid)
 578 {
 579 #ifdef CONFIG_SND_DEBUG_VERBOSE
 580         int i;
 581         int slot;
 582
 583         for (i = 0; i < 8; i++) {
 584                 slot = snd_hda_codec_read(codec, pin_nid, 0,
 585                                                 AC_VERB_GET_HDMI_CHAN_SLOT, i);
 586                 printk(KERN_DEBUG "HDMI: ASP channel %d => slot %d\n",
 587                                                 slot >> 4, slot & 0xf);
 588         }
 589 #endif
 590 }
 591
 592
 593 static void hdmi_std_setup_channel_mapping(struct hda_codec *codec,
 594                                        hda_nid_t pin_nid,
 595                                        bool non_pcm,
 596                                        int ca)
 597 {
 598         struct cea_channel_speaker_allocation *ch_alloc;
 599         int i;
 600         int err;
 601         int order;
 602         int non_pcm_mapping[8];
 603
 604         order = get_channel_allocation_order(ca);
 605         ch_alloc = &channel_allocations[order];
 606
 607         if (hdmi_channel_mapping[ca][1] == 0) {
 608                 int hdmi_slot = 0;
 609                 /* fill actual channel mappings in ALSA channel (i) order */
 610                 for (i = 0; i < ch_alloc->channels; i++) {
 611                         while (!ch_alloc->speakers[7 - hdmi_slot] && !WARN_ON(hdmi_slot >= 8))
 612                                 hdmi_slot++; /* skip zero slots */
 613
 614                         hdmi_channel_mapping[ca][i] = (i << 4) | hdmi_slot++;
 615                 }
 616                 /* fill the rest of the slots with ALSA channel 0xf */
 617                 for (hdmi_slot = 0; hdmi_slot < 8; hdmi_slot++)
 618                         if (!ch_alloc->speakers[7 - hdmi_slot])
 619                                 hdmi_channel_mapping[ca][i++] = (0xf << 4) | hdmi_slot;
 620         }
 621
 622         if (non_pcm) {
 623                 for (i = 0; i < ch_alloc->channels; i++)
 624                         non_pcm_mapping[i] = i | (i << 4);
 625                 for (; i < 8; i++)
 626                         non_pcm_mapping[i] = 0xf | (i << 4);
 627         }
 628
 629         for (i = 0; i < 8; i++) {
 630                 err = snd_hda_codec_write(codec, pin_nid, 0,
 631                                           AC_VERB_SET_HDMI_CHAN_SLOT,
 632                                           non_pcm ? non_pcm_mapping[i] : hdmi_channel_mapping[ca][i]);
 633                 if (err) {
 634                         snd_printdd(KERN_NOTICE
 635                                     "HDMI: channel mapping failed\n");
 636                         break;
 637                 }
 638         }
 639
 640         hdmi_debug_channel_mapping(codec, pin_nid);
 641 }
 642
 643 struct channel_map_table {
 644         unsigned char map;              /* ALSA API channel map position */
 645         unsigned char cea_slot;         /* CEA slot value */
 646         int spk_mask;                   /* speaker position bit mask */
 647 };
 648
 649 static struct channel_map_table map_tables[] = {
 650         { SNDRV_CHMAP_FL,       0x00,   FL },
 651         { SNDRV_CHMAP_FR,       0x01,   FR },
 652         { SNDRV_CHMAP_RL,       0x04,   RL },
 653         { SNDRV_CHMAP_RR,       0x05,   RR },
 654         { SNDRV_CHMAP_LFE,      0x02,   LFE },
 655         { SNDRV_CHMAP_FC,       0x03,   FC },
 656         { SNDRV_CHMAP_RLC,      0x06,   RLC },
 657         { SNDRV_CHMAP_RRC,      0x07,   RRC },
 658         {} /* terminator */
 659 };
 660
 661 /* from ALSA API channel position to speaker bit mask */
 662 static int to_spk_mask(unsigned char c)
 663 {
 664         struct channel_map_table *t = map_tables;
 665         for (; t->map; t++) {
 666                 if (t->map == c)
 667                         return t->spk_mask;
 668         }
 669         return 0;
 670 }
 671
 672 /* from ALSA API channel position to CEA slot */
 673 static int to_cea_slot(unsigned char c)
 674 {
 675         struct channel_map_table *t = map_tables;
 676         for (; t->map; t++) {
 677                 if (t->map == c)
 678                         return t->cea_slot;
 679         }
 680         return 0x0f;
 681 }
 682
 683 /* from CEA slot to ALSA API channel position */
 684 static int from_cea_slot(unsigned char c)
 685 {
 686         struct channel_map_table *t = map_tables;
 687         for (; t->map; t++) {
 688                 if (t->cea_slot == c)
 689                         return t->map;
 690         }
 691         return 0;
 692 }
 693
 694 /* from speaker bit mask to ALSA API channel position */
 695 static int spk_to_chmap(int spk)
 696 {
 697         struct channel_map_table *t = map_tables;
 698         for (; t->map; t++) {
 699                 if (t->spk_mask == spk)
 700                         return t->map;
 701         }
 702         return 0;
 703 }
 704
 705 /* get the CA index corresponding to the given ALSA API channel map */
 706 static int hdmi_manual_channel_allocation(int chs, unsigned char *map)
 707 {
 708         int i, spks = 0, spk_mask = 0;
 709
 710         for (i = 0; i < chs; i++) {
 711                 int mask = to_spk_mask(map[i]);
 712                 if (mask) {
 713                         spk_mask |= mask;
 714                         spks++;
 715                 }
 716         }
 717
 718         for (i = 0; i < ARRAY_SIZE(channel_allocations); i++) {
 719                 if ((chs == channel_allocations[i].channels ||
 720                      spks == channel_allocations[i].channels) &&
 721                     (spk_mask & channel_allocations[i].spk_mask) ==
 722                                 channel_allocations[i].spk_mask)
 723                         return channel_allocations[i].ca_index;
 724         }
 725         return -1;
 726 }
 727
 728 /* set up the channel slots for the given ALSA API channel map */
 729 static int hdmi_manual_setup_channel_mapping(struct hda_codec *codec,
 730                                              hda_nid_t pin_nid,
 731                                              int chs, unsigned char *map)
 732 {
 733         int i;
 734         for (i = 0; i < 8; i++) {
 735                 int val, err;
 736                 if (i < chs)
 737                         val = to_cea_slot(map[i]);
 738                 else
 739                         val = 0xf;
 740                 val |= (i << 4);
 741                 err = snd_hda_codec_write(codec, pin_nid, 0,
 742                                           AC_VERB_SET_HDMI_CHAN_SLOT, val);
 743                 if (err)
 744                         return -EINVAL;
 745         }
 746         return 0;
 747 }
 748
 749 /* store ALSA API channel map from the current default map */
 750 static void hdmi_setup_fake_chmap(unsigned char *map, int ca)
 751 {
 752         int i;
 753         int ordered_ca = get_channel_allocation_order(ca);
 754         for (i = 0; i < 8; i++) {
 755                 if (i < channel_allocations[ordered_ca].channels)
 756                         map[i] = from_cea_slot(hdmi_channel_mapping[ca][i] & 0x0f);
 757                 else
 758                         map[i] = 0;
 759         }
 760 }
 761
 762 static void hdmi_setup_channel_mapping(struct hda_codec *codec,
 763                                        hda_nid_t pin_nid, bool non_pcm, int ca,
 764                                        int channels, unsigned char *map,
 765                                        bool chmap_set)
 766 {
 767         if (!non_pcm && chmap_set) {
 768                 hdmi_manual_setup_channel_mapping(codec, pin_nid,
 769                                                   channels, map);
 770         } else {
 771                 hdmi_std_setup_channel_mapping(codec, pin_nid, non_pcm, ca);
 772                 hdmi_setup_fake_chmap(map, ca);
 773         }
 774 }
 775
 776 /*
 777  * Audio InfoFrame routines
 778  */
 779
 780 /*
 781  * Enable Audio InfoFrame Transmission
 782  */
 783 static void hdmi_start_infoframe_trans(struct hda_codec *codec,
 784                                        hda_nid_t pin_nid)
 785 {
 786         hdmi_set_dip_index(codec, pin_nid, 0x0, 0x0);
 787         snd_hda_codec_write(codec, pin_nid, 0, AC_VERB_SET_HDMI_DIP_XMIT,
 788                                                 AC_DIPXMIT_BEST);
 789 }
 790
 791 /*
 792  * Disable Audio InfoFrame Transmission
 793  */
 794 static void hdmi_stop_infoframe_trans(struct hda_codec *codec,
 795                                       hda_nid_t pin_nid)
 796 {
 797         hdmi_set_dip_index(codec, pin_nid, 0x0, 0x0);
 798         snd_hda_codec_write(codec, pin_nid, 0, AC_VERB_SET_HDMI_DIP_XMIT,
 799                                                 AC_DIPXMIT_DISABLE);
 800 }
 801
 802 static void hdmi_debug_dip_size(struct hda_codec *codec, hda_nid_t pin_nid)
 803 {
 804 #ifdef CONFIG_SND_DEBUG_VERBOSE
 805         int i;
 806         int size;
 807
 808         size = snd_hdmi_get_eld_size(codec, pin_nid);
 809         printk(KERN_DEBUG "HDMI: ELD buf size is %d\n", size);
 810
 811         for (i = 0; i < 8; i++) {
 812                 size = snd_hda_codec_read(codec, pin_nid, 0,
 813                                                 AC_VERB_GET_HDMI_DIP_SIZE, i);
 814                 printk(KERN_DEBUG "HDMI: DIP GP[%d] buf size is %d\n", i, size);
 815         }
 816 #endif
 817 }
 818
 819 static void hdmi_clear_dip_buffers(struct hda_codec *codec, hda_nid_t pin_nid)
 820 {
 821 #ifdef BE_PARANOID
 822         int i, j;
 823         int size;
 824         int pi, bi;
 825         for (i = 0; i < 8; i++) {
 826                 size = snd_hda_codec_read(codec, pin_nid, 0,
 827                                                 AC_VERB_GET_HDMI_DIP_SIZE, i);
 828                 if (size == 0)
 829                         continue;
 830
 831                 hdmi_set_dip_index(codec, pin_nid, i, 0x0);
 832                 for (j = 1; j < 1000; j++) {
 833                         hdmi_write_dip_byte(codec, pin_nid, 0x0);
 834                         hdmi_get_dip_index(codec, pin_nid, &pi, &bi);
 835                         if (pi != i)
 836                                 snd_printd(KERN_INFO "dip index %d: %d != %d\n",
 837                                                 bi, pi, i);
 838                         if (bi == 0) /* byte index wrapped around */
 839                                 break;
 840                 }
 841                 snd_printd(KERN_INFO
 842                         "HDMI: DIP GP[%d] buf reported size=%d, written=%d\n",
 843                         i, size, j);
 844         }
 845 #endif
 846 }
 847
 848 static void hdmi_checksum_audio_infoframe(struct hdmi_audio_infoframe *hdmi_ai)
 849 {
 850         u8 *bytes = (u8 *)hdmi_ai;
 851         u8 sum = 0;
 852         int i;
 853
 854         hdmi_ai->checksum = 0;
 855
 856         for (i = 0; i < sizeof(*hdmi_ai); i++)
 857                 sum += bytes[i];
 858
 859         hdmi_ai->checksum = -sum;
 860 }
 861
 862 static void hdmi_fill_audio_infoframe(struct hda_codec *codec,
 863                                       hda_nid_t pin_nid,
 864                                       u8 *dip, int size)
 865 {
 866         int i;
 867
 868         hdmi_debug_dip_size(codec, pin_nid);
 869         hdmi_clear_dip_buffers(codec, pin_nid); /* be paranoid */
 870
 871         hdmi_set_dip_index(codec, pin_nid, 0x0, 0x0);
 872         for (i = 0; i < size; i++)
 873                 hdmi_write_dip_byte(codec, pin_nid, dip[i]);
 874 }
 875
 876 static bool hdmi_infoframe_uptodate(struct hda_codec *codec, hda_nid_t pin_nid,
 877                                     u8 *dip, int size)
 878 {
 879         u8 val;
 880         int i;
 881
 882         if (snd_hda_codec_read(codec, pin_nid, 0, AC_VERB_GET_HDMI_DIP_XMIT, 0)
 883                                                             != AC_DIPXMIT_BEST)
 884                 return false;
 885
 886         hdmi_set_dip_index(codec, pin_nid, 0x0, 0x0);
 887         for (i = 0; i < size; i++) {
 888                 val = snd_hda_codec_read(codec, pin_nid, 0,
 889                                          AC_VERB_GET_HDMI_DIP_DATA, 0);
 890                 if (val != dip[i])
 891                         return false;
 892         }
 893
 894         return true;
 895 }
 896
 897 static void hdmi_setup_audio_infoframe(struct hda_codec *codec,
 898                                        struct hdmi_spec_per_pin *per_pin,
 899                                        bool non_pcm)
 900 {
 901         hda_nid_t pin_nid = per_pin->pin_nid;
 902         int channels = per_pin->channels;
 903         struct hdmi_eld *eld;
 904         int ca;
 905         union audio_infoframe ai;
 906
 907         if (!channels)
 908                 return;
 909
 910         if (is_haswell(codec))
 911                 snd_hda_codec_write(codec, pin_nid, 0,
 912                                             AC_VERB_SET_AMP_GAIN_MUTE,
 913                                             AMP_OUT_UNMUTE);
 914
 915         eld = &per_pin->sink_eld;
 916         if (!eld->monitor_present)
 917                 return;
 918
 919         if (!non_pcm && per_pin->chmap_set)
 920                 ca = hdmi_manual_channel_allocation(channels, per_pin->chmap);
 921         else
 922                 ca = hdmi_channel_allocation(eld, channels);
 923         if (ca < 0)
 924                 ca = 0;
 925
 926         memset(&ai, 0, sizeof(ai));
 927         if (eld->info.conn_type == 0) { /* HDMI */
 928                 struct hdmi_audio_infoframe *hdmi_ai = &ai.hdmi;
 929
 930                 hdmi_ai->type           = 0x84;
 931                 hdmi_ai->ver            = 0x01;
 932                 hdmi_ai->len            = 0x0a;
 933                 hdmi_ai->CC02_CT47      = channels - 1;
 934                 hdmi_ai->CA             = ca;
 935                 hdmi_checksum_audio_infoframe(hdmi_ai);
 936         } else if (eld->info.conn_type == 1) { /* DisplayPort */
 937                 struct dp_audio_infoframe *dp_ai = &ai.dp;
 938
 939                 dp_ai->type             = 0x84;
 940                 dp_ai->len              = 0x1b;
 941                 dp_ai->ver              = 0x11 << 2;
 942                 dp_ai->CC02_CT47        = channels - 1;
 943                 dp_ai->CA               = ca;
 944         } else {
 945                 snd_printd("HDMI: unknown connection type at pin %d\n",
 946                             pin_nid);
 947                 return;
 948         }
 949
 950         /*
 951          * sizeof(ai) is used instead of sizeof(*hdmi_ai) or
 952          * sizeof(*dp_ai) to avoid partial match/update problems when
 953          * the user switches between HDMI/DP monitors.
 954          */
 955         if (!hdmi_infoframe_uptodate(codec, pin_nid, ai.bytes,
 956                                         sizeof(ai))) {
 957                 snd_printdd("hdmi_setup_audio_infoframe: "
 958                             "pin=%d channels=%d\n",
 959                             pin_nid,
 960                             channels);
 961                 hdmi_setup_channel_mapping(codec, pin_nid, non_pcm, ca,
 962                                            channels, per_pin->chmap,
 963                                            per_pin->chmap_set);
 964                 hdmi_stop_infoframe_trans(codec, pin_nid);
 965                 hdmi_fill_audio_infoframe(codec, pin_nid,
 966                                             ai.bytes, sizeof(ai));
 967                 hdmi_start_infoframe_trans(codec, pin_nid);
 968         } else {
 969                 /* For non-pcm audio switch, setup new channel mapping
 970                  * accordingly */
 971                 if (per_pin->non_pcm != non_pcm)
 972                         hdmi_setup_channel_mapping(codec, pin_nid, non_pcm, ca,
 973                                                    channels, per_pin->chmap,
 974                                                    per_pin->chmap_set);
 975         }
 976
 977         per_pin->non_pcm = non_pcm;
 978 }
 979
 980
 981 /*
 982  * Unsolicited events
 983  */
 984
 985 static void hdmi_present_sense(struct hdmi_spec_per_pin *per_pin, int repoll);
 986
 987 static void hdmi_intrinsic_event(struct hda_codec *codec, unsigned int res)
 988 {
 989         struct hdmi_spec *spec = codec->spec;
 990         int tag = res >> AC_UNSOL_RES_TAG_SHIFT;
 991         int pin_nid;
 992         int pin_idx;
 993         struct hda_jack_tbl *jack;
 994         int dev_entry = (res & AC_UNSOL_RES_DE) >> AC_UNSOL_RES_DE_SHIFT;
 995
 996         jack = snd_hda_jack_tbl_get_from_tag(codec, tag);
 997         if (!jack)
 998                 return;
 999         pin_nid = jack->nid;
1000         jack->jack_dirty = 1;
1001
1002         _snd_printd(SND_PR_VERBOSE,
1003                 "HDMI hot plug event: Codec=%d Pin=%d Device=%d Inactive=%d Presence_Detect=%d ELD_Valid=%d\n",
1004                 codec->addr, pin_nid, dev_entry, !!(res & AC_UNSOL_RES_IA),
1005                 !!(res & AC_UNSOL_RES_PD), !!(res & AC_UNSOL_RES_ELDV));
1006
1007         pin_idx = pin_nid_to_pin_index(spec, pin_nid);
1008         if (pin_idx < 0)
1009                 return;
1010
1011         hdmi_present_sense(get_pin(spec, pin_idx), 1);
1012         snd_hda_jack_report_sync(codec);
1013 }
1014
1015 static void hdmi_non_intrinsic_event(struct hda_codec *codec, unsigned int res)
1016 {
1017         int tag = res >> AC_UNSOL_RES_TAG_SHIFT;
1018         int subtag = (res & AC_UNSOL_RES_SUBTAG) >> AC_UNSOL_RES_SUBTAG_SHIFT;
1019         int cp_state = !!(res & AC_UNSOL_RES_CP_STATE);
1020         int cp_ready = !!(res & AC_UNSOL_RES_CP_READY);
1021
1022         printk(KERN_INFO
1023                 "HDMI CP event: CODEC=%d TAG=%d SUBTAG=0x%x CP_STATE=%d CP_READY=%d\n",
1024                 codec->addr,
1025                 tag,
1026                 subtag,
1027                 cp_state,
1028                 cp_ready);
1029
1030         /* TODO */
1031         if (cp_state)
1032                 ;
1033         if (cp_ready)
1034                 ;
1035 }
1036
1037
1038 static void hdmi_unsol_event(struct hda_codec *codec, unsigned int res)
1039 {
1040         int tag = res >> AC_UNSOL_RES_TAG_SHIFT;
1041         int subtag = (res & AC_UNSOL_RES_SUBTAG) >> AC_UNSOL_RES_SUBTAG_SHIFT;
1042
1043         if (!snd_hda_jack_tbl_get_from_tag(codec, tag)) {
1044                 snd_printd(KERN_INFO "Unexpected HDMI event tag 0x%x\n", tag);
1045                 return;
1046         }
1047
1048         if (subtag == 0)
1049                 hdmi_intrinsic_event(codec, res);
1050         else
1051                 hdmi_non_intrinsic_event(codec, res);
1052 }
1053
1054 static void haswell_verify_D0(struct hda_codec *codec,
1055                 hda_nid_t cvt_nid, hda_nid_t nid)
1056 {
1057         int pwr;
1058
1059         /* For Haswell, the converter 1/2 may keep in D3 state after bootup,
1060          * thus pins could only choose converter 0 for use. Make sure the
1061          * converters are in correct power state */
1062         if (!snd_hda_check_power_state(codec, cvt_nid, AC_PWRST_D0))
1063                 snd_hda_codec_write(codec, cvt_nid, 0, AC_VERB_SET_POWER_STATE, AC_PWRST_D0);
1064
1065         if (!snd_hda_check_power_state(codec, nid, AC_PWRST_D0)) {
1066                 snd_hda_codec_write(codec, nid, 0, AC_VERB_SET_POWER_STATE,
1067                                     AC_PWRST_D0);
1068                 msleep(40);
1069                 pwr = snd_hda_codec_read(codec, nid, 0, AC_VERB_GET_POWER_STATE, 0);
1070                 pwr = (pwr & AC_PWRST_ACTUAL) >> AC_PWRST_ACTUAL_SHIFT;
1071                 snd_printd("Haswell HDMI audio: Power for pin 0x%x is now D%d\n", nid, pwr);
1072         }
1073 }
1074
1075 /*
1076  * Callbacks
1077  */
1078
1079 /* HBR should be Non-PCM, 8 channels */
1080 #define is_hbr_format(format) \
1081         ((format & AC_FMT_TYPE_NON_PCM) && (format & AC_FMT_CHAN_MASK) == 7)
1082
1083 static int hdmi_setup_stream(struct hda_codec *codec, hda_nid_t cvt_nid,
1084                               hda_nid_t pin_nid, u32 stream_tag, int format)
1085 {
1086         int pinctl;
1087         int new_pinctl = 0;
1088
1089         if (is_haswell(codec))
1090                 haswell_verify_D0(codec, cvt_nid, pin_nid);
1091
1092         if (snd_hda_query_pin_caps(codec, pin_nid) & AC_PINCAP_HBR) {
1093                 pinctl = snd_hda_codec_read(codec, pin_nid, 0,
1094                                             AC_VERB_GET_PIN_WIDGET_CONTROL, 0);
1095
1096                 new_pinctl = pinctl & ~AC_PINCTL_EPT;
1097                 if (is_hbr_format(format))
1098                         new_pinctl |= AC_PINCTL_EPT_HBR;
1099                 else
1100                         new_pinctl |= AC_PINCTL_EPT_NATIVE;
1101
1102                 snd_printdd("hdmi_setup_stream: "
1103                             "NID=0x%x, %spinctl=0x%x\n",
1104                             pin_nid,
1105                             pinctl == new_pinctl ? "" : "new-",
1106                             new_pinctl);
1107
1108                 if (pinctl != new_pinctl)
1109                         snd_hda_codec_write(codec, pin_nid, 0,
1110                                             AC_VERB_SET_PIN_WIDGET_CONTROL,
1111                                             new_pinctl);
1112
1113         }
1114         if (is_hbr_format(format) && !new_pinctl) {
1115                 snd_printdd("hdmi_setup_stream: HBR is not supported\n");
1116                 return -EINVAL;
1117         }
1118
1119         snd_hda_codec_setup_stream(codec, cvt_nid, stream_tag, 0, format);
1120         return 0;
1121 }
1122
1123 static int hdmi_choose_cvt(struct hda_codec *codec,
1124                         int pin_idx, int *cvt_id, int *mux_id)
1125 {
1126         struct hdmi_spec *spec = codec->spec;
1127         struct hdmi_spec_per_pin *per_pin;
1128         struct hdmi_spec_per_cvt *per_cvt = NULL;
1129         int cvt_idx, mux_idx = 0;
1130
1131         per_pin = get_pin(spec, pin_idx);
1132
1133         /* Dynamically assign converter to stream */
1134         for (cvt_idx = 0; cvt_idx < spec->num_cvts; cvt_idx++) {
1135                 per_cvt = get_cvt(spec, cvt_idx);
1136
1137                 /* Must not already be assigned */
1138                 if (per_cvt->assigned)
1139                         continue;
1140                 /* Must be in pin's mux's list of converters */
1141                 for (mux_idx = 0; mux_idx < per_pin->num_mux_nids; mux_idx++)
1142                         if (per_pin->mux_nids[mux_idx] == per_cvt->cvt_nid)
1143                                 break;
1144                 /* Not in mux list */
1145                 if (mux_idx == per_pin->num_mux_nids)
1146                         continue;
1147                 break;
1148         }
1149
1150         /* No free converters */
1151         if (cvt_idx == spec->num_cvts)
1152                 return -ENODEV;
1153
1154         if (cvt_id)
1155                 *cvt_id = cvt_idx;
1156         if (mux_id)
1157                 *mux_id = mux_idx;
1158
1159         return 0;
1160 }
1161
1162 static void haswell_config_cvts(struct hda_codec *codec,
1163                         hda_nid_t pin_nid, int mux_idx)
1164 {
1165         struct hdmi_spec *spec = codec->spec;
1166         hda_nid_t nid, end_nid;
1167         int cvt_idx, curr;
1168         struct hdmi_spec_per_cvt *per_cvt;
1169
1170         /* configure all pins, including "no physical connection" ones */
1171         end_nid = codec->start_nid + codec->num_nodes;
1172         for (nid = codec->start_nid; nid < end_nid; nid++) {
1173                 unsigned int wid_caps = get_wcaps(codec, nid);
1174                 unsigned int wid_type = get_wcaps_type(wid_caps);
1175
1176                 if (wid_type != AC_WID_PIN)
1177                         continue;
1178
1179                 if (nid == pin_nid)
1180                         continue;
1181
1182                 curr = snd_hda_codec_read(codec, nid, 0,
1183                                           AC_VERB_GET_CONNECT_SEL, 0);
1184                 if (curr != mux_idx)
1185                         continue;
1186
1187                 /* choose an unassigned converter. The conveters in the
1188                  * connection list are in the same order as in the codec.
1189                  */
1190                 for (cvt_idx = 0; cvt_idx < spec->num_cvts; cvt_idx++) {
1191                         per_cvt = get_cvt(spec, cvt_idx);
1192                         if (!per_cvt->assigned) {
1193                                 snd_printdd("choose cvt %d for pin nid %d\n",
1194                                         cvt_idx, nid);
1195                                 snd_hda_codec_write_cache(codec, nid, 0,
1196                                             AC_VERB_SET_CONNECT_SEL,
1197                                             cvt_idx);
1198                                 break;
1199                         }
1200                 }
1201         }
1202 }
1203
1204 /*
1205  * HDA PCM callbacks
1206  */
1207 static int hdmi_pcm_open(struct hda_pcm_stream *hinfo,
1208                          struct hda_codec *codec,
1209                          struct snd_pcm_substream *substream)
1210 {
1211         struct hdmi_spec *spec = codec->spec;
1212         struct snd_pcm_runtime *runtime = substream->runtime;
1213         int pin_idx, cvt_idx, mux_idx = 0;
1214         struct hdmi_spec_per_pin *per_pin;
1215         struct hdmi_eld *eld;
1216         struct hdmi_spec_per_cvt *per_cvt = NULL;
1217         int err;
1218
1219         /* Validate hinfo */
1220         pin_idx = hinfo_to_pin_index(spec, hinfo);
1221         if (snd_BUG_ON(pin_idx < 0))
1222                 return -EINVAL;
1223         per_pin = get_pin(spec, pin_idx);
1224         eld = &per_pin->sink_eld;
1225
1226         err = hdmi_choose_cvt(codec, pin_idx, &cvt_idx, &mux_idx);
1227         if (err < 0)
1228                 return err;
1229
1230         per_cvt = get_cvt(spec, cvt_idx);
1231         /* Claim converter */
1232         per_cvt->assigned = 1;
1233         hinfo->nid = per_cvt->cvt_nid;
1234
1235         snd_hda_codec_write_cache(codec, per_pin->pin_nid, 0,
1236                             AC_VERB_SET_CONNECT_SEL,
1237                             mux_idx);
1238
1239         /* configure unused pins to choose other converters */
1240         if (is_haswell(codec))
1241                 haswell_config_cvts(codec, per_pin->pin_nid, mux_idx);
1242
1243         snd_hda_spdif_ctls_assign(codec, pin_idx, per_cvt->cvt_nid);
1244
1245         /* Initially set the converter's capabilities */
1246         hinfo->channels_min = per_cvt->channels_min;
1247         hinfo->channels_max = per_cvt->channels_max;
1248         hinfo->rates = per_cvt->rates;
1249         hinfo->formats = per_cvt->formats;
1250         hinfo->maxbps = per_cvt->maxbps;
1251
1252         /* Restrict capabilities by ELD if this isn't disabled */
1253         if (!static_hdmi_pcm && eld->eld_valid) {
1254                 snd_hdmi_eld_update_pcm_info(&eld->info, hinfo);
1255                 if (hinfo->channels_min > hinfo->channels_max ||
1256                     !hinfo->rates || !hinfo->formats) {
1257                         per_cvt->assigned = 0;
1258                         hinfo->nid = 0;
1259                         snd_hda_spdif_ctls_unassign(codec, pin_idx);
1260                         return -ENODEV;
1261                 }
1262         }
1263
1264         /* Store the updated parameters */
1265         runtime->hw.channels_min = hinfo->channels_min;
1266         runtime->hw.channels_max = hinfo->channels_max;
1267         runtime->hw.formats = hinfo->formats;
1268         runtime->hw.rates = hinfo->rates;
1269
1270         snd_pcm_hw_constraint_step(substream->runtime, 0,
1271                                    SNDRV_PCM_HW_PARAM_CHANNELS, 2);
1272         return 0;
1273 }
1274
1275 /*
1276  * HDA/HDMI auto parsing
1277  */
1278 static int hdmi_read_pin_conn(struct hda_codec *codec, int pin_idx)
1279 {
1280         struct hdmi_spec *spec = codec->spec;
1281         struct hdmi_spec_per_pin *per_pin = get_pin(spec, pin_idx);
1282         hda_nid_t pin_nid = per_pin->pin_nid;
1283
1284         if (!(get_wcaps(codec, pin_nid) & AC_WCAP_CONN_LIST)) {
1285                 snd_printk(KERN_WARNING
1286                            "HDMI: pin %d wcaps %#x "
1287                            "does not support connection list\n",
1288                            pin_nid, get_wcaps(codec, pin_nid));
1289                 return -EINVAL;
1290         }
1291
1292         per_pin->num_mux_nids = snd_hda_get_connections(codec, pin_nid,
1293                                                         per_pin->mux_nids,
1294                                                         HDA_MAX_CONNECTIONS);
1295
1296         return 0;
1297 }
1298
1299 static void hdmi_present_sense(struct hdmi_spec_per_pin *per_pin, int repoll)
1300 {
1301         struct hda_codec *codec = per_pin->codec;
1302         struct hdmi_spec *spec = codec->spec;
1303         struct hdmi_eld *eld = &spec->temp_eld;
1304         struct hdmi_eld *pin_eld = &per_pin->sink_eld;
1305         hda_nid_t pin_nid = per_pin->pin_nid;
1306         /*
1307          * Always execute a GetPinSense verb here, even when called from
1308          * hdmi_intrinsic_event; for some NVIDIA HW, the unsolicited
1309          * response's PD bit is not the real PD value, but indicates that
1310          * the real PD value changed. An older version of the HD-audio
1311          * specification worked this way. Hence, we just ignore the data in
1312          * the unsolicited response to avoid custom WARs.
1313          */
1314         int present = snd_hda_pin_sense(codec, pin_nid);
1315         bool update_eld = false;
1316         bool eld_changed = false;
1317
1318         pin_eld->monitor_present = !!(present & AC_PINSENSE_PRESENCE);
1319         if (pin_eld->monitor_present)
1320                 eld->eld_valid  = !!(present & AC_PINSENSE_ELDV);
1321         else
1322                 eld->eld_valid = false;
1323
1324         _snd_printd(SND_PR_VERBOSE,
1325                 "HDMI status: Codec=%d Pin=%d Presence_Detect=%d ELD_Valid=%d\n",
1326                 codec->addr, pin_nid, pin_eld->monitor_present, eld->eld_valid);
1327
1328         if (eld->eld_valid) {
1329                 if (snd_hdmi_get_eld(codec, pin_nid, eld->eld_buffer,
1330                                                      &eld->eld_size) < 0)
1331                         eld->eld_valid = false;
1332                 else {
1333                         memset(&eld->info, 0, sizeof(struct parsed_hdmi_eld));
1334                         if (snd_hdmi_parse_eld(&eld->info, eld->eld_buffer,
1335                                                     eld->eld_size) < 0)
1336                                 eld->eld_valid = false;
1337                 }
1338
1339                 if (eld->eld_valid) {
1340                         snd_hdmi_show_eld(&eld->info);
1341                         update_eld = true;
1342                 }
1343                 else if (repoll) {
1344                         queue_delayed_work(codec->bus->workq,
1345                                            &per_pin->work,
1346                                            msecs_to_jiffies(300));
1347                         return;
1348                 }
1349         }
1350
1351         mutex_lock(&pin_eld->lock);
1352         if (pin_eld->eld_valid && !eld->eld_valid) {
1353                 update_eld = true;
1354                 eld_changed = true;
1355         }
1356         if (update_eld) {
1357                 bool old_eld_valid = pin_eld->eld_valid;
1358                 pin_eld->eld_valid = eld->eld_valid;
1359                 eld_changed = pin_eld->eld_size != eld->eld_size ||
1360                               memcmp(pin_eld->eld_buffer, eld->eld_buffer,
1361                                      eld->eld_size) != 0;
1362                 if (eld_changed)
1363                         memcpy(pin_eld->eld_buffer, eld->eld_buffer,
1364                                eld->eld_size);
1365                 pin_eld->eld_size = eld->eld_size;
1366                 pin_eld->info = eld->info;
1367
1368                 /* Haswell-specific workaround: re-setup when the transcoder is
1369                  * changed during the stream playback
1370                  */
1371                 if (is_haswell(codec) &&
1372                     eld->eld_valid && !old_eld_valid && per_pin->setup)
1373                         hdmi_setup_audio_infoframe(codec, per_pin,
1374                                                    per_pin->non_pcm);
1375         }
1376         mutex_unlock(&pin_eld->lock);
1377
1378         if (eld_changed)
1379                 snd_ctl_notify(codec->bus->card,
1380                                SNDRV_CTL_EVENT_MASK_VALUE | SNDRV_CTL_EVENT_MASK_INFO,
1381                                &per_pin->eld_ctl->id);
1382 }
1383
1384 static void hdmi_repoll_eld(struct work_struct *work)
1385 {
1386         struct hdmi_spec_per_pin *per_pin =
1387         container_of(to_delayed_work(work), struct hdmi_spec_per_pin, work);
1388
1389         if (per_pin->repoll_count++ > 6)
1390                 per_pin->repoll_count = 0;
1391
1392         hdmi_present_sense(per_pin, per_pin->repoll_count);
1393 }
1394
1395 static void intel_haswell_fixup_connect_list(struct hda_codec *codec,
1396                                              hda_nid_t nid);
1397
1398 static int hdmi_add_pin(struct hda_codec *codec, hda_nid_t pin_nid)
1399 {
1400         struct hdmi_spec *spec = codec->spec;
1401         unsigned int caps, config;
1402         int pin_idx;
1403         struct hdmi_spec_per_pin *per_pin;
1404         int err;
1405
1406         caps = snd_hda_query_pin_caps(codec, pin_nid);
1407         if (!(caps & (AC_PINCAP_HDMI | AC_PINCAP_DP)))
1408                 return 0;
1409
1410         config = snd_hda_codec_get_pincfg(codec, pin_nid);
1411         if (get_defcfg_connect(config) == AC_JACK_PORT_NONE)
1412                 return 0;
1413
1414         if (is_haswell(codec))
1415                 intel_haswell_fixup_connect_list(codec, pin_nid);
1416
1417         pin_idx = spec->num_pins;
1418         per_pin = snd_array_new(&spec->pins);
1419         if (!per_pin)
1420                 return -ENOMEM;
1421
1422         per_pin->pin_nid = pin_nid;
1423         per_pin->non_pcm = false;
1424
1425         err = hdmi_read_pin_conn(codec, pin_idx);
1426         if (err < 0)
1427                 return err;
1428
1429         spec->num_pins++;
1430
1431         return 0;
1432 }
1433
1434 static int hdmi_add_cvt(struct hda_codec *codec, hda_nid_t cvt_nid)
1435 {
1436         struct hdmi_spec *spec = codec->spec;
1437         struct hdmi_spec_per_cvt *per_cvt;
1438         unsigned int chans;
1439         int err;
1440
1441         chans = get_wcaps(codec, cvt_nid);
1442         chans = get_wcaps_channels(chans);
1443
1444         per_cvt = snd_array_new(&spec->cvts);
1445         if (!per_cvt)
1446                 return -ENOMEM;
1447
1448         per_cvt->cvt_nid = cvt_nid;
1449         per_cvt->channels_min = 2;
1450         if (chans <= 16) {
1451                 per_cvt->channels_max = chans;
1452                 if (chans > spec->channels_max)
1453                         spec->channels_max = chans;
1454         }
1455
1456         err = snd_hda_query_supported_pcm(codec, cvt_nid,
1457                                           &per_cvt->rates,
1458                                           &per_cvt->formats,
1459                                           &per_cvt->maxbps);
1460         if (err < 0)
1461                 return err;
1462
1463         if (spec->num_cvts < ARRAY_SIZE(spec->cvt_nids))
1464                 spec->cvt_nids[spec->num_cvts] = cvt_nid;
1465         spec->num_cvts++;
1466
1467         return 0;
1468 }
1469
1470 static int hdmi_parse_codec(struct hda_codec *codec)
1471 {
1472         hda_nid_t nid;
1473         int i, nodes;
1474
1475         nodes = snd_hda_get_sub_nodes(codec, codec->afg, &nid);
1476         if (!nid || nodes < 0) {
1477                 snd_printk(KERN_WARNING "HDMI: failed to get afg sub nodes\n");
1478                 return -EINVAL;
1479         }
1480
1481         for (i = 0; i < nodes; i++, nid++) {
1482                 unsigned int caps;
1483                 unsigned int type;
1484
1485                 caps = get_wcaps(codec, nid);
1486                 type = get_wcaps_type(caps);
1487
1488                 if (!(caps & AC_WCAP_DIGITAL))
1489                         continue;
1490
1491                 switch (type) {
1492                 case AC_WID_AUD_OUT:
1493                         hdmi_add_cvt(codec, nid);
1494                         break;
1495                 case AC_WID_PIN:
1496                         hdmi_add_pin(codec, nid);
1497                         break;
1498                 }
1499         }
1500
1501 #ifdef CONFIG_PM
1502         /* We're seeing some problems with unsolicited hot plug events on
1503          * PantherPoint after S3, if this is not enabled */
1504         if (codec->vendor_id == 0x80862806)
1505                 codec->bus->power_keep_link_on = 1;
1506         /*
1507          * G45/IbexPeak don't support EPSS: the unsolicited pin hot plug event
1508          * can be lost and presence sense verb will become inaccurate if the
1509          * HDA link is powered off at hot plug or hw initialization time.
1510          */
1511         else if (!(snd_hda_param_read(codec, codec->afg, AC_PAR_POWER_STATE) &
1512               AC_PWRST_EPSS))
1513                 codec->bus->power_keep_link_on = 1;
1514 #endif
1515
1516         return 0;
1517 }
1518
1519 /*
1520  */
1521 static bool check_non_pcm_per_cvt(struct hda_codec *codec, hda_nid_t cvt_nid)
1522 {
1523         struct hda_spdif_out *spdif;
1524         bool non_pcm;
1525
1526         mutex_lock(&codec->spdif_mutex);
1527         spdif = snd_hda_spdif_out_of_nid(codec, cvt_nid);
1528         non_pcm = !!(spdif->status & IEC958_AES0_NONAUDIO);
1529         mutex_unlock(&codec->spdif_mutex);
1530         return non_pcm;
1531 }
1532
1533
1534 /*
1535  * HDMI callbacks
1536  */
1537
1538 static int generic_hdmi_playback_pcm_prepare(struct hda_pcm_stream *hinfo,
1539                                            struct hda_codec *codec,
1540                                            unsigned int stream_tag,
1541                                            unsigned int format,
1542                                            struct snd_pcm_substream *substream)
1543 {
1544         hda_nid_t cvt_nid = hinfo->nid;
1545         struct hdmi_spec *spec = codec->spec;
1546         int pin_idx = hinfo_to_pin_index(spec, hinfo);
1547         struct hdmi_spec_per_pin *per_pin = get_pin(spec, pin_idx);
1548         hda_nid_t pin_nid = per_pin->pin_nid;
1549         bool non_pcm;
1550
1551         non_pcm = check_non_pcm_per_cvt(codec, cvt_nid);
1552         per_pin->channels = substream->runtime->channels;
1553         per_pin->setup = true;
1554
1555         hdmi_set_channel_count(codec, cvt_nid, substream->runtime->channels);
1556
1557         hdmi_setup_audio_infoframe(codec, per_pin, non_pcm);
1558
1559         return hdmi_setup_stream(codec, cvt_nid, pin_nid, stream_tag, format);
1560 }
1561
1562 static int generic_hdmi_playback_pcm_cleanup(struct hda_pcm_stream *hinfo,
1563                                              struct hda_codec *codec,
1564                                              struct snd_pcm_substream *substream)
1565 {
1566         snd_hda_codec_cleanup_stream(codec, hinfo->nid);
1567         return 0;
1568 }
1569
1570 static int hdmi_pcm_close(struct hda_pcm_stream *hinfo,
1571                           struct hda_codec *codec,
1572                           struct snd_pcm_substream *substream)
1573 {
1574         struct hdmi_spec *spec = codec->spec;
1575         int cvt_idx, pin_idx;
1576         struct hdmi_spec_per_cvt *per_cvt;
1577         struct hdmi_spec_per_pin *per_pin;
1578
1579         if (hinfo->nid) {
1580                 cvt_idx = cvt_nid_to_cvt_index(spec, hinfo->nid);
1581                 if (snd_BUG_ON(cvt_idx < 0))
1582                         return -EINVAL;
1583                 per_cvt = get_cvt(spec, cvt_idx);
1584
1585                 snd_BUG_ON(!per_cvt->assigned);
1586                 per_cvt->assigned = 0;
1587                 hinfo->nid = 0;
1588
1589                 pin_idx = hinfo_to_pin_index(spec, hinfo);
1590                 if (snd_BUG_ON(pin_idx < 0))
1591                         return -EINVAL;
1592                 per_pin = get_pin(spec, pin_idx);
1593
1594                 snd_hda_spdif_ctls_unassign(codec, pin_idx);
1595                 per_pin->chmap_set = false;
1596                 memset(per_pin->chmap, 0, sizeof(per_pin->chmap));
1597
1598                 per_pin->setup = false;
1599                 per_pin->channels = 0;
1600         }
1601
1602         return 0;
1603 }
1604
1605 static const struct hda_pcm_ops generic_ops = {
1606         .open = hdmi_pcm_open,
1607         .close = hdmi_pcm_close,
1608         .prepare = generic_hdmi_playback_pcm_prepare,
1609         .cleanup = generic_hdmi_playback_pcm_cleanup,
1610 };
1611
1612 /*
1613  * ALSA API channel-map control callbacks
1614  */
1615 static int hdmi_chmap_ctl_info(struct snd_kcontrol *kcontrol,
1616                                struct snd_ctl_elem_info *uinfo)
1617 {
1618         struct snd_pcm_chmap *info = snd_kcontrol_chip(kcontrol);
1619         struct hda_codec *codec = info->private_data;
1620         struct hdmi_spec *spec = codec->spec;
1621         uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
1622         uinfo->count = spec->channels_max;
1623         uinfo->value.integer.min = 0;
1624         uinfo->value.integer.max = SNDRV_CHMAP_LAST;
1625         return 0;
1626 }
1627
1628 static int hdmi_chmap_ctl_tlv(struct snd_kcontrol *kcontrol, int op_flag,
1629                               unsigned int size, unsigned int __user *tlv)
1630 {
1631         struct snd_pcm_chmap *info = snd_kcontrol_chip(kcontrol);
1632         struct hda_codec *codec = info->private_data;
1633         struct hdmi_spec *spec = codec->spec;
1634         const unsigned int valid_mask =
1635                 FL | FR | RL | RR | LFE | FC | RLC | RRC;
1636         unsigned int __user *dst;
1637         int chs, count = 0;
1638
1639         if (size < 8)
1640                 return -ENOMEM;
1641         if (put_user(SNDRV_CTL_TLVT_CONTAINER, tlv))
1642                 return -EFAULT;
1643         size -= 8;
1644         dst = tlv + 2;
1645         for (chs = 2; chs <= spec->channels_max; chs++) {
1646                 int i, c;
1647                 struct cea_channel_speaker_allocation *cap;
1648                 cap = channel_allocations;
1649                 for (i = 0; i < ARRAY_SIZE(channel_allocations); i++, cap++) {
1650                         int chs_bytes = chs * 4;
1651                         if (cap->channels != chs)
1652                                 continue;
1653                         if (cap->spk_mask & ~valid_mask)
1654                                 continue;
1655                         if (size < 8)
1656                                 return -ENOMEM;
1657                         if (put_user(SNDRV_CTL_TLVT_CHMAP_VAR, dst) ||
1658                             put_user(chs_bytes, dst + 1))
1659                                 return -EFAULT;
1660                         dst += 2;
1661                         size -= 8;
1662                         count += 8;
1663                         if (size < chs_bytes)
1664                                 return -ENOMEM;
1665                         size -= chs_bytes;
1666                         count += chs_bytes;
1667                         for (c = 7; c >= 0; c--) {
1668                                 int spk = cap->speakers[c];
1669                                 if (!spk)
1670                                         continue;
1671                                 if (put_user(spk_to_chmap(spk), dst))
1672                                         return -EFAULT;
1673                                 dst++;
1674                         }
1675                 }
1676         }
1677         if (put_user(count, tlv + 1))
1678                 return -EFAULT;
1679         return 0;
1680 }
1681
1682 static int hdmi_chmap_ctl_get(struct snd_kcontrol *kcontrol,
1683                               struct snd_ctl_elem_value *ucontrol)
1684 {
1685         struct snd_pcm_chmap *info = snd_kcontrol_chip(kcontrol);
1686         struct hda_codec *codec = info->private_data;
1687         struct hdmi_spec *spec = codec->spec;
1688         int pin_idx = kcontrol->private_value;
1689         struct hdmi_spec_per_pin *per_pin = get_pin(spec, pin_idx);
1690         int i;
1691
1692         for (i = 0; i < ARRAY_SIZE(per_pin->chmap); i++)
1693                 ucontrol->value.integer.value[i] = per_pin->chmap[i];
1694         return 0;
1695 }
1696
1697 static int hdmi_chmap_ctl_put(struct snd_kcontrol *kcontrol,
1698                               struct snd_ctl_elem_value *ucontrol)
1699 {
1700         struct snd_pcm_chmap *info = snd_kcontrol_chip(kcontrol);
1701         struct hda_codec *codec = info->private_data;
1702         struct hdmi_spec *spec = codec->spec;
1703         int pin_idx = kcontrol->private_value;
1704         struct hdmi_spec_per_pin *per_pin = get_pin(spec, pin_idx);
1705         unsigned int ctl_idx;
1706         struct snd_pcm_substream *substream;
1707         unsigned char chmap[8];
1708         int i, ca, prepared = 0;
1709
1710         ctl_idx = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id);
1711         substream = snd_pcm_chmap_substream(info, ctl_idx);
1712         if (!substream || !substream->runtime)
1713                 return 0; /* just for avoiding error from alsactl restore */
1714         switch (substream->runtime->status->state) {
1715         case SNDRV_PCM_STATE_OPEN:
1716         case SNDRV_PCM_STATE_SETUP:
1717                 break;
1718         case SNDRV_PCM_STATE_PREPARED:
1719                 prepared = 1;
1720                 break;
1721         default:
1722                 return -EBUSY;
1723         }
1724         memset(chmap, 0, sizeof(chmap));
1725         for (i = 0; i < ARRAY_SIZE(chmap); i++)
1726                 chmap[i] = ucontrol->value.integer.value[i];
1727         if (!memcmp(chmap, per_pin->chmap, sizeof(chmap)))
1728                 return 0;
1729         ca = hdmi_manual_channel_allocation(ARRAY_SIZE(chmap), chmap);
1730         if (ca < 0)
1731                 return -EINVAL;
1732         per_pin->chmap_set = true;
1733         memcpy(per_pin->chmap, chmap, sizeof(chmap));
1734         if (prepared)
1735                 hdmi_setup_audio_infoframe(codec, per_pin, per_pin->non_pcm);
1736
1737         return 0;
1738 }
1739
1740 static int generic_hdmi_build_pcms(struct hda_codec *codec)
1741 {
1742         struct hdmi_spec *spec = codec->spec;
1743         int pin_idx;
1744
1745         for (pin_idx = 0; pin_idx < spec->num_pins; pin_idx++) {
1746                 struct hda_pcm *info;
1747                 struct hda_pcm_stream *pstr;
1748                 struct hdmi_spec_per_pin *per_pin;
1749
1750                 per_pin = get_pin(spec, pin_idx);
1751                 sprintf(per_pin->pcm_name, "HDMI %d", pin_idx);
1752                 info = snd_array_new(&spec->pcm_rec);
1753                 if (!info)
1754                         return -ENOMEM;
1755                 info->name = per_pin->pcm_name;
1756                 info->pcm_type = HDA_PCM_TYPE_HDMI;
1757                 info->own_chmap = true;
1758
1759                 pstr = &info->stream[SNDRV_PCM_STREAM_PLAYBACK];
1760                 pstr->substreams = 1;
1761                 pstr->ops = generic_ops;
1762                 /* other pstr fields are set in open */
1763         }
1764
1765         codec->num_pcms = spec->num_pins;
1766         codec->pcm_info = spec->pcm_rec.list;
1767
1768         return 0;
1769 }
1770
1771 static int generic_hdmi_build_jack(struct hda_codec *codec, int pin_idx)
1772 {
1773         char hdmi_str[32] = "HDMI/DP";
1774         struct hdmi_spec *spec = codec->spec;
1775         struct hdmi_spec_per_pin *per_pin = get_pin(spec, pin_idx);
1776         int pcmdev = get_pcm_rec(spec, pin_idx)->device;
1777
1778         if (pcmdev > 0)
1779                 sprintf(hdmi_str + strlen(hdmi_str), ",pcm=%d", pcmdev);
1780         if (!is_jack_detectable(codec, per_pin->pin_nid))
1781                 strncat(hdmi_str, " Phantom",
1782                         sizeof(hdmi_str) - strlen(hdmi_str) - 1);
1783
1784         return snd_hda_jack_add_kctl(codec, per_pin->pin_nid, hdmi_str, 0);
1785 }
1786
1787 static int generic_hdmi_build_controls(struct hda_codec *codec)
1788 {
1789         struct hdmi_spec *spec = codec->spec;
1790         int err;
1791         int pin_idx;
1792
1793         for (pin_idx = 0; pin_idx < spec->num_pins; pin_idx++) {
1794                 struct hdmi_spec_per_pin *per_pin = get_pin(spec, pin_idx);
1795
1796                 err = generic_hdmi_build_jack(codec, pin_idx);
1797                 if (err < 0)
1798                         return err;
1799
1800                 err = snd_hda_create_dig_out_ctls(codec,
1801                                                   per_pin->pin_nid,
1802                                                   per_pin->mux_nids[0],
1803                                                   HDA_PCM_TYPE_HDMI);
1804                 if (err < 0)
1805                         return err;
1806                 snd_hda_spdif_ctls_unassign(codec, pin_idx);
1807
1808                 /* add control for ELD Bytes */
1809                 err = hdmi_create_eld_ctl(codec, pin_idx,
1810                                           get_pcm_rec(spec, pin_idx)->device);
1811
1812                 if (err < 0)
1813                         return err;
1814
1815                 hdmi_present_sense(per_pin, 0);
1816         }
1817
1818         /* add channel maps */
1819         for (pin_idx = 0; pin_idx < spec->num_pins; pin_idx++) {
1820                 struct snd_pcm_chmap *chmap;
1821                 struct snd_kcontrol *kctl;
1822                 int i;
1823
1824                 if (!codec->pcm_info[pin_idx].pcm)
1825                         break;
1826                 err = snd_pcm_add_chmap_ctls(codec->pcm_info[pin_idx].pcm,
1827                                              SNDRV_PCM_STREAM_PLAYBACK,
1828                                              NULL, 0, pin_idx, &chmap);
1829                 if (err < 0)
1830                         return err;
1831                 /* override handlers */
1832                 chmap->private_data = codec;
1833                 kctl = chmap->kctl;
1834                 for (i = 0; i < kctl->count; i++)
1835                         kctl->vd[i].access |= SNDRV_CTL_ELEM_ACCESS_WRITE;
1836                 kctl->info = hdmi_chmap_ctl_info;
1837                 kctl->get = hdmi_chmap_ctl_get;
1838                 kctl->put = hdmi_chmap_ctl_put;
1839                 kctl->tlv.c = hdmi_chmap_ctl_tlv;
1840         }
1841
1842         return 0;
1843 }
1844
1845 static int generic_hdmi_init_per_pins(struct hda_codec *codec)
1846 {
1847         struct hdmi_spec *spec = codec->spec;
1848         int pin_idx;
1849
1850         for (pin_idx = 0; pin_idx < spec->num_pins; pin_idx++) {
1851                 struct hdmi_spec_per_pin *per_pin = get_pin(spec, pin_idx);
1852                 struct hdmi_eld *eld = &per_pin->sink_eld;
1853
1854                 per_pin->codec = codec;
1855                 mutex_init(&eld->lock);
1856                 INIT_DELAYED_WORK(&per_pin->work, hdmi_repoll_eld);
1857                 snd_hda_eld_proc_new(codec, eld, pin_idx);
1858         }
1859         return 0;
1860 }
1861
1862 static int generic_hdmi_init(struct hda_codec *codec)
1863 {
1864         struct hdmi_spec *spec = codec->spec;
1865         int pin_idx;
1866
1867         for (pin_idx = 0; pin_idx < spec->num_pins; pin_idx++) {
1868                 struct hdmi_spec_per_pin *per_pin = get_pin(spec, pin_idx);
1869                 hda_nid_t pin_nid = per_pin->pin_nid;
1870
1871                 hdmi_init_pin(codec, pin_nid);
1872                 snd_hda_jack_detect_enable(codec, pin_nid, pin_nid);
1873         }
1874         return 0;
1875 }
1876
1877 static void hdmi_array_init(struct hdmi_spec *spec, int nums)
1878 {
1879         snd_array_init(&spec->pins, sizeof(struct hdmi_spec_per_pin), nums);
1880         snd_array_init(&spec->cvts, sizeof(struct hdmi_spec_per_cvt), nums);
1881         snd_array_init(&spec->pcm_rec, sizeof(struct hda_pcm), nums);
1882 }
1883
1884 static void hdmi_array_free(struct hdmi_spec *spec)
1885 {
1886         snd_array_free(&spec->pins);
1887         snd_array_free(&spec->cvts);
1888         snd_array_free(&spec->pcm_rec);
1889 }
1890
1891 static void generic_hdmi_free(struct hda_codec *codec)
1892 {
1893         struct hdmi_spec *spec = codec->spec;
1894         int pin_idx;
1895
1896         for (pin_idx = 0; pin_idx < spec->num_pins; pin_idx++) {
1897                 struct hdmi_spec_per_pin *per_pin = get_pin(spec, pin_idx);
1898                 struct hdmi_eld *eld = &per_pin->sink_eld;
1899
1900                 cancel_delayed_work(&per_pin->work);
1901                 snd_hda_eld_proc_free(codec, eld);
1902         }
1903
1904         flush_workqueue(codec->bus->workq);
1905         hdmi_array_free(spec);
1906         kfree(spec);
1907 }
1908
1909 #ifdef CONFIG_PM
1910 static int generic_hdmi_resume(struct hda_codec *codec)
1911 {
1912         struct hdmi_spec *spec = codec->spec;
1913         int pin_idx;
1914
1915         generic_hdmi_init(codec);
1916         snd_hda_codec_resume_amp(codec);
1917         snd_hda_codec_resume_cache(codec);
1918
1919         for (pin_idx = 0; pin_idx < spec->num_pins; pin_idx++) {
1920                 struct hdmi_spec_per_pin *per_pin = get_pin(spec, pin_idx);
1921                 hdmi_present_sense(per_pin, 1);
1922         }
1923         return 0;
1924 }
1925 #endif
1926
1927 static const struct hda_codec_ops generic_hdmi_patch_ops = {
1928         .init                   = generic_hdmi_init,
1929         .free                   = generic_hdmi_free,
1930         .build_pcms             = generic_hdmi_build_pcms,
1931         .build_controls         = generic_hdmi_build_controls,
1932         .unsol_event            = hdmi_unsol_event,
1933 #ifdef CONFIG_PM
1934         .resume                 = generic_hdmi_resume,
1935 #endif
1936 };
1937
1938
1939 static void intel_haswell_fixup_connect_list(struct hda_codec *codec,
1940                                              hda_nid_t nid)
1941 {
1942         struct hdmi_spec *spec = codec->spec;
1943         hda_nid_t conns[4];
1944         int nconns;
1945
1946         nconns = snd_hda_get_connections(codec, nid, conns, ARRAY_SIZE(conns));
1947         if (nconns == spec->num_cvts &&
1948             !memcmp(conns, spec->cvt_nids, spec->num_cvts * sizeof(hda_nid_t)))
1949                 return;
1950
1951         /* override pins connection list */
1952         snd_printdd("hdmi: haswell: override pin connection 0x%x\n", nid);
1953         snd_hda_override_conn_list(codec, nid, spec->num_cvts, spec->cvt_nids);
1954 }
1955
1956 #define INTEL_VENDOR_NID 0x08
1957 #define INTEL_GET_VENDOR_VERB 0xf81
1958 #define INTEL_SET_VENDOR_VERB 0x781
1959 #define INTEL_EN_DP12                   0x02 /* enable DP 1.2 features */
1960 #define INTEL_EN_ALL_PIN_CVTS   0x01 /* enable 2nd & 3rd pins and convertors */
1961
1962 static void intel_haswell_enable_all_pins(struct hda_codec *codec,
1963                                           bool update_tree)
1964 {
1965         unsigned int vendor_param;
1966
1967         vendor_param = snd_hda_codec_read(codec, INTEL_VENDOR_NID, 0,
1968                                 INTEL_GET_VENDOR_VERB, 0);
1969         if (vendor_param == -1 || vendor_param & INTEL_EN_ALL_PIN_CVTS)
1970                 return;
1971
1972         vendor_param |= INTEL_EN_ALL_PIN_CVTS;
1973         vendor_param = snd_hda_codec_read(codec, INTEL_VENDOR_NID, 0,
1974                                 INTEL_SET_VENDOR_VERB, vendor_param);
1975         if (vendor_param == -1)
1976                 return;
1977
1978         if (update_tree)
1979                 snd_hda_codec_update_widgets(codec);
1980 }
1981
1982 static void intel_haswell_fixup_enable_dp12(struct hda_codec *codec)
1983 {
1984         unsigned int vendor_param;
1985
1986         vendor_param = snd_hda_codec_read(codec, INTEL_VENDOR_NID, 0,
1987                                 INTEL_GET_VENDOR_VERB, 0);
1988         if (vendor_param == -1 || vendor_param & INTEL_EN_DP12)
1989                 return;
1990
1991         /* enable DP1.2 mode */
1992         vendor_param |= INTEL_EN_DP12;
1993         snd_hda_codec_write_cache(codec, INTEL_VENDOR_NID, 0,
1994                                 INTEL_SET_VENDOR_VERB, vendor_param);
1995 }
1996
1997 /* Haswell needs to re-issue the vendor-specific verbs before turning to D0.
1998  * Otherwise you may get severe h/w communication errors.
1999  */
2000 static void haswell_set_power_state(struct hda_codec *codec, hda_nid_t fg,
2001                                 unsigned int power_state)
2002 {
2003         if (power_state == AC_PWRST_D0) {
2004                 intel_haswell_enable_all_pins(codec, false);
2005                 intel_haswell_fixup_enable_dp12(codec);
2006         }
2007
2008         snd_hda_codec_read(codec, fg, 0, AC_VERB_SET_POWER_STATE, power_state);
2009         snd_hda_codec_set_power_to_all(codec, fg, power_state);
2010 }
2011
2012 static int patch_generic_hdmi(struct hda_codec *codec)
2013 {
2014         struct hdmi_spec *spec;
2015
2016         spec = kzalloc(sizeof(*spec), GFP_KERNEL);
2017         if (spec == NULL)
2018                 return -ENOMEM;
2019
2020         codec->spec = spec;
2021         hdmi_array_init(spec, 4);
2022
2023         if (is_haswell(codec)) {
2024                 intel_haswell_enable_all_pins(codec, true);
2025                 intel_haswell_fixup_enable_dp12(codec);
2026         }
2027
2028         if (hdmi_parse_codec(codec) < 0) {
2029                 codec->spec = NULL;
2030                 kfree(spec);
2031                 return -EINVAL;
2032         }
2033         codec->patch_ops = generic_hdmi_patch_ops;
2034         if (is_haswell(codec)) {
2035                 codec->patch_ops.set_power_state = haswell_set_power_state;
2036                 codec->dp_mst = true;
2037         }
2038
2039         generic_hdmi_init_per_pins(codec);
2040
2041         init_channel_allocations();
2042
2043         return 0;
2044 }
2045
2046 /*
2047  * Shared non-generic implementations
2048  */
2049
2050 static int simple_playback_build_pcms(struct hda_codec *codec)
2051 {
2052         struct hdmi_spec *spec = codec->spec;
2053         struct hda_pcm *info;
2054         unsigned int chans;
2055         struct hda_pcm_stream *pstr;
2056         struct hdmi_spec_per_cvt *per_cvt;
2057
2058         per_cvt = get_cvt(spec, 0);
2059         chans = get_wcaps(codec, per_cvt->cvt_nid);
2060         chans = get_wcaps_channels(chans);
2061
2062         info = snd_array_new(&spec->pcm_rec);
2063         if (!info)
2064                 return -ENOMEM;
2065         info->name = get_pin(spec, 0)->pcm_name;
2066         sprintf(info->name, "HDMI 0");
2067         info->pcm_type = HDA_PCM_TYPE_HDMI;
2068         pstr = &info->stream[SNDRV_PCM_STREAM_PLAYBACK];
2069         *pstr = spec->pcm_playback;
2070         pstr->nid = per_cvt->cvt_nid;
2071         if (pstr->channels_max <= 2 && chans && chans <= 16)
2072                 pstr->channels_max = chans;
2073
2074         codec->num_pcms = 1;
2075         codec->pcm_info = info;
2076
2077         return 0;
2078 }
2079
2080 /* unsolicited event for jack sensing */
2081 static void simple_hdmi_unsol_event(struct hda_codec *codec,
2082                                     unsigned int res)
2083 {
2084         snd_hda_jack_set_dirty_all(codec);
2085         snd_hda_jack_report_sync(codec);
2086 }
2087
2088 /* generic_hdmi_build_jack can be used for simple_hdmi, too,
2089  * as long as spec->pins[] is set correctly
2090  */
2091 #define simple_hdmi_build_jack  generic_hdmi_build_jack
2092
2093 static int simple_playback_build_controls(struct hda_codec *codec)
2094 {
2095         struct hdmi_spec *spec = codec->spec;
2096         struct hdmi_spec_per_cvt *per_cvt;
2097         int err;
2098
2099         per_cvt = get_cvt(spec, 0);
2100         err = snd_hda_create_spdif_out_ctls(codec, per_cvt->cvt_nid,
2101                                             per_cvt->cvt_nid);
2102         if (err < 0)
2103                 return err;
2104         return simple_hdmi_build_jack(codec, 0);
2105 }
2106
2107 static int simple_playback_init(struct hda_codec *codec)
2108 {
2109         struct hdmi_spec *spec = codec->spec;
2110         struct hdmi_spec_per_pin *per_pin = get_pin(spec, 0);
2111         hda_nid_t pin = per_pin->pin_nid;
2112
2113         snd_hda_codec_write(codec, pin, 0,
2114                             AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_OUT);
2115         /* some codecs require to unmute the pin */
2116         if (get_wcaps(codec, pin) & AC_WCAP_OUT_AMP)
2117                 snd_hda_codec_write(codec, pin, 0, AC_VERB_SET_AMP_GAIN_MUTE,
2118                                     AMP_OUT_UNMUTE);
2119         snd_hda_jack_detect_enable(codec, pin, pin);
2120         return 0;
2121 }
2122
2123 static void simple_playback_free(struct hda_codec *codec)
2124 {
2125         struct hdmi_spec *spec = codec->spec;
2126
2127         hdmi_array_free(spec);
2128         kfree(spec);
2129 }
2130
2131 /*
2132  * Nvidia specific implementations
2133  */
2134
2135 #define Nv_VERB_SET_Channel_Allocation          0xF79
2136 #define Nv_VERB_SET_Info_Frame_Checksum         0xF7A
2137 #define Nv_VERB_SET_Audio_Protection_On         0xF98
2138 #define Nv_VERB_SET_Audio_Protection_Off        0xF99
2139
2140 #define nvhdmi_master_con_nid_7x        0x04
2141 #define nvhdmi_master_pin_nid_7x        0x05
2142
2143 static const hda_nid_t nvhdmi_con_nids_7x[4] = {
2144         /*front, rear, clfe, rear_surr */
2145         0x6, 0x8, 0xa, 0xc,
2146 };
2147
2148 static const struct hda_verb nvhdmi_basic_init_7x_2ch[] = {
2149         /* set audio protect on */
2150         { 0x1, Nv_VERB_SET_Audio_Protection_On, 0x1},
2151         /* enable digital output on pin widget */
2152         { 0x5, AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_OUT | 0x5 },
2153         {} /* terminator */
2154 };
2155
2156 static const struct hda_verb nvhdmi_basic_init_7x_8ch[] = {
2157         /* set audio protect on */
2158         { 0x1, Nv_VERB_SET_Audio_Protection_On, 0x1},
2159         /* enable digital output on pin widget */
2160         { 0x5, AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_OUT | 0x5 },
2161         { 0x7, AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_OUT | 0x5 },
2162         { 0x9, AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_OUT | 0x5 },
2163         { 0xb, AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_OUT | 0x5 },
2164         { 0xd, AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_OUT | 0x5 },
2165         {} /* terminator */
2166 };
2167
2168 #ifdef LIMITED_RATE_FMT_SUPPORT
2169 /* support only the safe format and rate */
2170 #define SUPPORTED_RATES         SNDRV_PCM_RATE_48000
2171 #define SUPPORTED_MAXBPS        16
2172 #define SUPPORTED_FORMATS       SNDRV_PCM_FMTBIT_S16_LE
2173 #else
2174 /* support all rates and formats */
2175 #define SUPPORTED_RATES \
2176         (SNDRV_PCM_RATE_32000 | SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_48000 |\
2177         SNDRV_PCM_RATE_88200 | SNDRV_PCM_RATE_96000 | SNDRV_PCM_RATE_176400 |\
2178          SNDRV_PCM_RATE_192000)
2179 #define SUPPORTED_MAXBPS        24
2180 #define SUPPORTED_FORMATS \
2181         (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S32_LE)
2182 #endif
2183
2184 static int nvhdmi_7x_init_2ch(struct hda_codec *codec)
2185 {
2186         snd_hda_sequence_write(codec, nvhdmi_basic_init_7x_2ch);
2187         return 0;
2188 }
2189
2190 static int nvhdmi_7x_init_8ch(struct hda_codec *codec)
2191 {
2192         snd_hda_sequence_write(codec, nvhdmi_basic_init_7x_8ch);
2193         return 0;
2194 }
2195
2196 static unsigned int channels_2_6_8[] = {
2197         2, 6, 8
2198 };
2199
2200 static unsigned int channels_2_8[] = {
2201         2, 8
2202 };
2203
2204 static struct snd_pcm_hw_constraint_list hw_constraints_2_6_8_channels = {
2205         .count = ARRAY_SIZE(channels_2_6_8),
2206         .list = channels_2_6_8,
2207         .mask = 0,
2208 };
2209
2210 static struct snd_pcm_hw_constraint_list hw_constraints_2_8_channels = {
2211         .count = ARRAY_SIZE(channels_2_8),
2212         .list = channels_2_8,
2213         .mask = 0,
2214 };
2215
2216 static int simple_playback_pcm_open(struct hda_pcm_stream *hinfo,
2217                                     struct hda_codec *codec,
2218                                     struct snd_pcm_substream *substream)
2219 {
2220         struct hdmi_spec *spec = codec->spec;
2221         struct snd_pcm_hw_constraint_list *hw_constraints_channels = NULL;
2222
2223         switch (codec->preset->id) {
2224         case 0x10de0002:
2225         case 0x10de0003:
2226         case 0x10de0005:
2227         case 0x10de0006:
2228                 hw_constraints_channels = &hw_constraints_2_8_channels;
2229                 break;
2230         case 0x10de0007:
2231                 hw_constraints_channels = &hw_constraints_2_6_8_channels;
2232                 break;
2233         default:
2234                 break;
2235         }
2236
2237         if (hw_constraints_channels != NULL) {
2238                 snd_pcm_hw_constraint_list(substream->runtime, 0,
2239                                 SNDRV_PCM_HW_PARAM_CHANNELS,
2240                                 hw_constraints_channels);
2241         } else {
2242                 snd_pcm_hw_constraint_step(substream->runtime, 0,
2243                                            SNDRV_PCM_HW_PARAM_CHANNELS, 2);
2244         }
2245
2246         return snd_hda_multi_out_dig_open(codec, &spec->multiout);
2247 }
2248
2249 static int simple_playback_pcm_close(struct hda_pcm_stream *hinfo,
2250                                      struct hda_codec *codec,
2251                                      struct snd_pcm_substream *substream)
2252 {
2253         struct hdmi_spec *spec = codec->spec;
2254         return snd_hda_multi_out_dig_close(codec, &spec->multiout);
2255 }
2256
2257 static int simple_playback_pcm_prepare(struct hda_pcm_stream *hinfo,
2258                                        struct hda_codec *codec,
2259                                        unsigned int stream_tag,
2260                                        unsigned int format,
2261                                        struct snd_pcm_substream *substream)
2262 {
2263         struct hdmi_spec *spec = codec->spec;
2264         return snd_hda_multi_out_dig_prepare(codec, &spec->multiout,
2265                                              stream_tag, format, substream);
2266 }
2267
2268 static const struct hda_pcm_stream simple_pcm_playback = {
2269         .substreams = 1,
2270         .channels_min = 2,
2271         .channels_max = 2,
2272         .ops = {
2273                 .open = simple_playback_pcm_open,
2274                 .close = simple_playback_pcm_close,
2275                 .prepare = simple_playback_pcm_prepare
2276         },
2277 };
2278
2279 static const struct hda_codec_ops simple_hdmi_patch_ops = {
2280         .build_controls = simple_playback_build_controls,
2281         .build_pcms = simple_playback_build_pcms,
2282         .init = simple_playback_init,
2283         .free = simple_playback_free,
2284         .unsol_event = simple_hdmi_unsol_event,
2285 };
2286
2287 static int patch_simple_hdmi(struct hda_codec *codec,
2288                              hda_nid_t cvt_nid, hda_nid_t pin_nid)
2289 {
2290         struct hdmi_spec *spec;
2291         struct hdmi_spec_per_cvt *per_cvt;
2292         struct hdmi_spec_per_pin *per_pin;
2293
2294         spec = kzalloc(sizeof(*spec), GFP_KERNEL);
2295         if (!spec)
2296                 return -ENOMEM;
2297
2298         codec->spec = spec;
2299         hdmi_array_init(spec, 1);
2300
2301         spec->multiout.num_dacs = 0;  /* no analog */
2302         spec->multiout.max_channels = 2;
2303         spec->multiout.dig_out_nid = cvt_nid;
2304         spec->num_cvts = 1;
2305         spec->num_pins = 1;
2306         per_pin = snd_array_new(&spec->pins);
2307         per_cvt = snd_array_new(&spec->cvts);
2308         if (!per_pin || !per_cvt) {
2309                 simple_playback_free(codec);
2310                 return -ENOMEM;
2311         }
2312         per_cvt->cvt_nid = cvt_nid;
2313         per_pin->pin_nid = pin_nid;
2314         spec->pcm_playback = simple_pcm_playback;
2315
2316         codec->patch_ops = simple_hdmi_patch_ops;
2317
2318         return 0;
2319 }
2320
2321 static void nvhdmi_8ch_7x_set_info_frame_parameters(struct hda_codec *codec,
2322                                                     int channels)
2323 {
2324         unsigned int chanmask;
2325         int chan = channels ? (channels - 1) : 1;
2326
2327         switch (channels) {
2328         default:
2329         case 0:
2330         case 2:
2331                 chanmask = 0x00;
2332                 break;
2333         case 4:
2334                 chanmask = 0x08;
2335                 break;
2336         case 6:
2337                 chanmask = 0x0b;
2338                 break;
2339         case 8:
2340                 chanmask = 0x13;
2341                 break;
2342         }
2343
2344         /* Set the audio infoframe channel allocation and checksum fields.  The
2345          * channel count is computed implicitly by the hardware. */
2346         snd_hda_codec_write(codec, 0x1, 0,
2347                         Nv_VERB_SET_Channel_Allocation, chanmask);
2348
2349         snd_hda_codec_write(codec, 0x1, 0,
2350                         Nv_VERB_SET_Info_Frame_Checksum,
2351                         (0x71 - chan - chanmask));
2352 }
2353
2354 static int nvhdmi_8ch_7x_pcm_close(struct hda_pcm_stream *hinfo,
2355                                    struct hda_codec *codec,
2356                                    struct snd_pcm_substream *substream)
2357 {
2358         struct hdmi_spec *spec = codec->spec;
2359         int i;
2360
2361         snd_hda_codec_write(codec, nvhdmi_master_con_nid_7x,
2362                         0, AC_VERB_SET_CHANNEL_STREAMID, 0);
2363         for (i = 0; i < 4; i++) {
2364                 /* set the stream id */
2365                 snd_hda_codec_write(codec, nvhdmi_con_nids_7x[i], 0,
2366                                 AC_VERB_SET_CHANNEL_STREAMID, 0);
2367                 /* set the stream format */
2368                 snd_hda_codec_write(codec, nvhdmi_con_nids_7x[i], 0,
2369                                 AC_VERB_SET_STREAM_FORMAT, 0);
2370         }
2371
2372         /* The audio hardware sends a channel count of 0x7 (8ch) when all the
2373          * streams are disabled. */
2374         nvhdmi_8ch_7x_set_info_frame_parameters(codec, 8);
2375
2376         return snd_hda_multi_out_dig_close(codec, &spec->multiout);
2377 }
2378
2379 static int nvhdmi_8ch_7x_pcm_prepare(struct hda_pcm_stream *hinfo,
2380                                      struct hda_codec *codec,
2381                                      unsigned int stream_tag,
2382                                      unsigned int format,
2383                                      struct snd_pcm_substream *substream)
2384 {
2385         int chs;
2386         unsigned int dataDCC2, channel_id;
2387         int i;
2388         struct hdmi_spec *spec = codec->spec;
2389         struct hda_spdif_out *spdif;
2390         struct hdmi_spec_per_cvt *per_cvt;
2391
2392         mutex_lock(&codec->spdif_mutex);
2393         per_cvt = get_cvt(spec, 0);
2394         spdif = snd_hda_spdif_out_of_nid(codec, per_cvt->cvt_nid);
2395
2396         chs = substream->runtime->channels;
2397
2398         dataDCC2 = 0x2;
2399
2400         /* turn off SPDIF once; otherwise the IEC958 bits won't be updated */
2401         if (codec->spdif_status_reset && (spdif->ctls & AC_DIG1_ENABLE))
2402                 snd_hda_codec_write(codec,
2403                                 nvhdmi_master_con_nid_7x,
2404                                 0,
2405                                 AC_VERB_SET_DIGI_CONVERT_1,
2406                                 spdif->ctls & ~AC_DIG1_ENABLE & 0xff);
2407
2408         /* set the stream id */
2409         snd_hda_codec_write(codec, nvhdmi_master_con_nid_7x, 0,
2410                         AC_VERB_SET_CHANNEL_STREAMID, (stream_tag << 4) | 0x0);
2411
2412         /* set the stream format */
2413         snd_hda_codec_write(codec, nvhdmi_master_con_nid_7x, 0,
2414                         AC_VERB_SET_STREAM_FORMAT, format);
2415
2416         /* turn on again (if needed) */
2417         /* enable and set the channel status audio/data flag */
2418         if (codec->spdif_status_reset && (spdif->ctls & AC_DIG1_ENABLE)) {
2419                 snd_hda_codec_write(codec,
2420                                 nvhdmi_master_con_nid_7x,
2421                                 0,
2422                                 AC_VERB_SET_DIGI_CONVERT_1,
2423                                 spdif->ctls & 0xff);
2424                 snd_hda_codec_write(codec,
2425                                 nvhdmi_master_con_nid_7x,
2426                                 0,
2427                                 AC_VERB_SET_DIGI_CONVERT_2, dataDCC2);
2428         }
2429
2430         for (i = 0; i < 4; i++) {
2431                 if (chs == 2)
2432                         channel_id = 0;
2433                 else
2434                         channel_id = i * 2;
2435
2436                 /* turn off SPDIF once;
2437                  *otherwise the IEC958 bits won't be updated
2438                  */
2439                 if (codec->spdif_status_reset &&
2440                 (spdif->ctls & AC_DIG1_ENABLE))
2441                         snd_hda_codec_write(codec,
2442                                 nvhdmi_con_nids_7x[i],
2443                                 0,
2444                                 AC_VERB_SET_DIGI_CONVERT_1,
2445                                 spdif->ctls & ~AC_DIG1_ENABLE & 0xff);
2446                 /* set the stream id */
2447                 snd_hda_codec_write(codec,
2448                                 nvhdmi_con_nids_7x[i],
2449                                 0,
2450                                 AC_VERB_SET_CHANNEL_STREAMID,
2451                                 (stream_tag << 4) | channel_id);
2452                 /* set the stream format */
2453                 snd_hda_codec_write(codec,
2454                                 nvhdmi_con_nids_7x[i],
2455                                 0,
2456                                 AC_VERB_SET_STREAM_FORMAT,
2457                                 format);
2458                 /* turn on again (if needed) */
2459                 /* enable and set the channel status audio/data flag */
2460                 if (codec->spdif_status_reset &&
2461                 (spdif->ctls & AC_DIG1_ENABLE)) {
2462                         snd_hda_codec_write(codec,
2463                                         nvhdmi_con_nids_7x[i],
2464                                         0,
2465                                         AC_VERB_SET_DIGI_CONVERT_1,
2466                                         spdif->ctls & 0xff);
2467                         snd_hda_codec_write(codec,
2468                                         nvhdmi_con_nids_7x[i],
2469                                         0,
2470                                         AC_VERB_SET_DIGI_CONVERT_2, dataDCC2);
2471                 }
2472         }
2473
2474         nvhdmi_8ch_7x_set_info_frame_parameters(codec, chs);
2475
2476         mutex_unlock(&codec->spdif_mutex);
2477         return 0;
2478 }
2479
2480 static const struct hda_pcm_stream nvhdmi_pcm_playback_8ch_7x = {
2481         .substreams = 1,
2482         .channels_min = 2,
2483         .channels_max = 8,
2484         .nid = nvhdmi_master_con_nid_7x,
2485         .rates = SUPPORTED_RATES,
2486         .maxbps = SUPPORTED_MAXBPS,
2487         .formats = SUPPORTED_FORMATS,
2488         .ops = {
2489                 .open = simple_playback_pcm_open,
2490                 .close = nvhdmi_8ch_7x_pcm_close,
2491                 .prepare = nvhdmi_8ch_7x_pcm_prepare
2492         },
2493 };
2494
2495 static int patch_nvhdmi_2ch(struct hda_codec *codec)
2496 {
2497         struct hdmi_spec *spec;
2498         int err = patch_simple_hdmi(codec, nvhdmi_master_con_nid_7x,
2499                                     nvhdmi_master_pin_nid_7x);
2500         if (err < 0)
2501                 return err;
2502
2503         codec->patch_ops.init = nvhdmi_7x_init_2ch;
2504         /* override the PCM rates, etc, as the codec doesn't give full list */
2505         spec = codec->spec;
2506         spec->pcm_playback.rates = SUPPORTED_RATES;
2507         spec->pcm_playback.maxbps = SUPPORTED_MAXBPS;
2508         spec->pcm_playback.formats = SUPPORTED_FORMATS;
2509         return 0;
2510 }
2511
2512 static int nvhdmi_7x_8ch_build_pcms(struct hda_codec *codec)
2513 {
2514         struct hdmi_spec *spec = codec->spec;
2515         int err = simple_playback_build_pcms(codec);
2516         if (!err) {
2517                 struct hda_pcm *info = get_pcm_rec(spec, 0);
2518                 info->own_chmap = true;
2519         }
2520         return err;
2521 }
2522
2523 static int nvhdmi_7x_8ch_build_controls(struct hda_codec *codec)
2524 {
2525         struct hdmi_spec *spec = codec->spec;
2526         struct hda_pcm *info;
2527         struct snd_pcm_chmap *chmap;
2528         int err;
2529
2530         err = simple_playback_build_controls(codec);
2531         if (err < 0)
2532                 return err;
2533
2534         /* add channel maps */
2535         info = get_pcm_rec(spec, 0);
2536         err = snd_pcm_add_chmap_ctls(info->pcm,
2537                                      SNDRV_PCM_STREAM_PLAYBACK,
2538                                      snd_pcm_alt_chmaps, 8, 0, &chmap);
2539         if (err < 0)
2540                 return err;
2541         switch (codec->preset->id) {
2542         case 0x10de0002:
2543         case 0x10de0003:
2544         case 0x10de0005:
2545         case 0x10de0006:
2546                 chmap->channel_mask = (1U << 2) | (1U << 8);
2547                 break;
2548         case 0x10de0007:
2549                 chmap->channel_mask = (1U << 2) | (1U << 6) | (1U << 8);
2550         }
2551         return 0;
2552 }
2553
2554 static int patch_nvhdmi_8ch_7x(struct hda_codec *codec)
2555 {
2556         struct hdmi_spec *spec;
2557         int err = patch_nvhdmi_2ch(codec);
2558         if (err < 0)
2559                 return err;
2560         spec = codec->spec;
2561         spec->multiout.max_channels = 8;
2562         spec->pcm_playback = nvhdmi_pcm_playback_8ch_7x;
2563         codec->patch_ops.init = nvhdmi_7x_init_8ch;
2564         codec->patch_ops.build_pcms = nvhdmi_7x_8ch_build_pcms;
2565         codec->patch_ops.build_controls = nvhdmi_7x_8ch_build_controls;
2566
2567         /* Initialize the audio infoframe channel mask and checksum to something
2568          * valid */
2569         nvhdmi_8ch_7x_set_info_frame_parameters(codec, 8);
2570
2571         return 0;
2572 }
2573
2574 /*
2575  * ATI-specific implementations
2576  *
2577  * FIXME: we may omit the whole this and use the generic code once after
2578  * it's confirmed to work.
2579  */
2580
2581 #define ATIHDMI_CVT_NID         0x02    /* audio converter */
2582 #define ATIHDMI_PIN_NID         0x03    /* HDMI output pin */
2583
2584 static int atihdmi_playback_pcm_prepare(struct hda_pcm_stream *hinfo,
2585                                         struct hda_codec *codec,
2586                                         unsigned int stream_tag,
2587                                         unsigned int format,
2588                                         struct snd_pcm_substream *substream)
2589 {
2590         struct hdmi_spec *spec = codec->spec;
2591         struct hdmi_spec_per_cvt *per_cvt = get_cvt(spec, 0);
2592         int chans = substream->runtime->channels;
2593         int i, err;
2594
2595         err = simple_playback_pcm_prepare(hinfo, codec, stream_tag, format,
2596                                           substream);
2597         if (err < 0)
2598                 return err;
2599         snd_hda_codec_write(codec, per_cvt->cvt_nid, 0,
2600                             AC_VERB_SET_CVT_CHAN_COUNT, chans - 1);
2601         /* FIXME: XXX */
2602         for (i = 0; i < chans; i++) {
2603                 snd_hda_codec_write(codec, per_cvt->cvt_nid, 0,
2604                                     AC_VERB_SET_HDMI_CHAN_SLOT,
2605                                     (i << 4) | i);
2606         }
2607         return 0;
2608 }
2609
2610 static int patch_atihdmi(struct hda_codec *codec)
2611 {
2612         struct hdmi_spec *spec;
2613         int err = patch_simple_hdmi(codec, ATIHDMI_CVT_NID, ATIHDMI_PIN_NID);
2614         if (err < 0)
2615                 return err;
2616         spec = codec->spec;
2617         spec->pcm_playback.ops.prepare = atihdmi_playback_pcm_prepare;
2618         return 0;
2619 }
2620
2621 /* VIA HDMI Implementation */
2622 #define VIAHDMI_CVT_NID 0x02    /* audio converter1 */
2623 #define VIAHDMI_PIN_NID 0x03    /* HDMI output pin1 */
2624
2625 static int patch_via_hdmi(struct hda_codec *codec)
2626 {
2627         return patch_simple_hdmi(codec, VIAHDMI_CVT_NID, VIAHDMI_PIN_NID);
2628 }
2629
2630 /*
2631  * patch entries
2632  */
2633 static const struct hda_codec_preset snd_hda_preset_hdmi[] = {
2634 { .id = 0x1002793c, .name = "RS600 HDMI",       .patch = patch_atihdmi },
2635 { .id = 0x10027919, .name = "RS600 HDMI",       .patch = patch_atihdmi },
2636 { .id = 0x1002791a, .name = "RS690/780 HDMI",   .patch = patch_atihdmi },
2637 { .id = 0x1002aa01, .name = "R6xx HDMI",        .patch = patch_generic_hdmi },
2638 { .id = 0x10951390, .name = "SiI1390 HDMI",     .patch = patch_generic_hdmi },
2639 { .id = 0x10951392, .name = "SiI1392 HDMI",     .patch = patch_generic_hdmi },
2640 { .id = 0x17e80047, .name = "Chrontel HDMI",    .patch = patch_generic_hdmi },
2641 { .id = 0x10de0002, .name = "MCP77/78 HDMI",    .patch = patch_nvhdmi_8ch_7x },
2642 { .id = 0x10de0003, .name = "MCP77/78 HDMI",    .patch = patch_nvhdmi_8ch_7x },
2643 { .id = 0x10de0005, .name = "MCP77/78 HDMI",    .patch = patch_nvhdmi_8ch_7x },
2644 { .id = 0x10de0006, .name = "MCP77/78 HDMI",    .patch = patch_nvhdmi_8ch_7x },
2645 { .id = 0x10de0007, .name = "MCP79/7A HDMI",    .patch = patch_nvhdmi_8ch_7x },
2646 { .id = 0x10de000a, .name = "GPU 0a HDMI/DP",   .patch = patch_generic_hdmi },
2647 { .id = 0x10de000b, .name = "GPU 0b HDMI/DP",   .patch = patch_generic_hdmi },
2648 { .id = 0x10de000c, .name = "MCP89 HDMI",       .patch = patch_generic_hdmi },
2649 { .id = 0x10de000d, .name = "GPU 0d HDMI/DP",   .patch = patch_generic_hdmi },
2650 { .id = 0x10de0010, .name = "GPU 10 HDMI/DP",   .patch = patch_generic_hdmi },
2651 { .id = 0x10de0011, .name = "GPU 11 HDMI/DP",   .patch = patch_generic_hdmi },
2652 { .id = 0x10de0012, .name = "GPU 12 HDMI/DP",   .patch = patch_generic_hdmi },
2653 { .id = 0x10de0013, .name = "GPU 13 HDMI/DP",   .patch = patch_generic_hdmi },
2654 { .id = 0x10de0014, .name = "GPU 14 HDMI/DP",   .patch = patch_generic_hdmi },
2655 { .id = 0x10de0015, .name = "GPU 15 HDMI/DP",   .patch = patch_generic_hdmi },
2656 { .id = 0x10de0016, .name = "GPU 16 HDMI/DP",   .patch = patch_generic_hdmi },
2657 /* 17 is known to be absent */
2658 { .id = 0x10de0018, .name = "GPU 18 HDMI/DP",   .patch = patch_generic_hdmi },
2659 { .id = 0x10de0019, .name = "GPU 19 HDMI/DP",   .patch = patch_generic_hdmi },
2660 { .id = 0x10de001a, .name = "GPU 1a HDMI/DP",   .patch = patch_generic_hdmi },
2661 { .id = 0x10de001b, .name = "GPU 1b HDMI/DP",   .patch = patch_generic_hdmi },
2662 { .id = 0x10de001c, .name = "GPU 1c HDMI/DP",   .patch = patch_generic_hdmi },
2663 { .id = 0x10de0040, .name = "GPU 40 HDMI/DP",   .patch = patch_generic_hdmi },
2664 { .id = 0x10de0041, .name = "GPU 41 HDMI/DP",   .patch = patch_generic_hdmi },
2665 { .id = 0x10de0042, .name = "GPU 42 HDMI/DP",   .patch = patch_generic_hdmi },
2666 { .id = 0x10de0043, .name = "GPU 43 HDMI/DP",   .patch = patch_generic_hdmi },
2667 { .id = 0x10de0044, .name = "GPU 44 HDMI/DP",   .patch = patch_generic_hdmi },
2668 { .id = 0x10de0051, .name = "GPU 51 HDMI/DP",   .patch = patch_generic_hdmi },
2669 { .id = 0x10de0060, .name = "GPU 60 HDMI/DP",   .patch = patch_generic_hdmi },
2670 { .id = 0x10de0067, .name = "MCP67 HDMI",       .patch = patch_nvhdmi_2ch },
2671 { .id = 0x10de8001, .name = "MCP73 HDMI",       .patch = patch_nvhdmi_2ch },
2672 { .id = 0x11069f80, .name = "VX900 HDMI/DP",    .patch = patch_via_hdmi },
2673 { .id = 0x11069f81, .name = "VX900 HDMI/DP",    .patch = patch_via_hdmi },
2674 { .id = 0x11069f84, .name = "VX11 HDMI/DP",     .patch = patch_generic_hdmi },
2675 { .id = 0x11069f85, .name = "VX11 HDMI/DP",     .patch = patch_generic_hdmi },
2676 { .id = 0x80860054, .name = "IbexPeak HDMI",    .patch = patch_generic_hdmi },
2677 { .id = 0x80862801, .name = "Bearlake HDMI",    .patch = patch_generic_hdmi },
2678 { .id = 0x80862802, .name = "Cantiga HDMI",     .patch = patch_generic_hdmi },
2679 { .id = 0x80862803, .name = "Eaglelake HDMI",   .patch = patch_generic_hdmi },
2680 { .id = 0x80862804, .name = "IbexPeak HDMI",    .patch = patch_generic_hdmi },
2681 { .id = 0x80862805, .name = "CougarPoint HDMI", .patch = patch_generic_hdmi },
2682 { .id = 0x80862806, .name = "PantherPoint HDMI", .patch = patch_generic_hdmi },
2683 { .id = 0x80862807, .name = "Haswell HDMI",     .patch = patch_generic_hdmi },
2684 { .id = 0x80862880, .name = "CedarTrail HDMI",  .patch = patch_generic_hdmi },
2685 { .id = 0x808629fb, .name = "Crestline HDMI",   .patch = patch_generic_hdmi },
2686 {} /* terminator */
2687 };
2688
2689 MODULE_ALIAS("snd-hda-codec-id:1002793c");
2690 MODULE_ALIAS("snd-hda-codec-id:10027919");
2691 MODULE_ALIAS("snd-hda-codec-id:1002791a");
2692 MODULE_ALIAS("snd-hda-codec-id:1002aa01");
2693 MODULE_ALIAS("snd-hda-codec-id:10951390");
2694 MODULE_ALIAS("snd-hda-codec-id:10951392");
2695 MODULE_ALIAS("snd-hda-codec-id:10de0002");
2696 MODULE_ALIAS("snd-hda-codec-id:10de0003");
2697 MODULE_ALIAS("snd-hda-codec-id:10de0005");
2698 MODULE_ALIAS("snd-hda-codec-id:10de0006");
2699 MODULE_ALIAS("snd-hda-codec-id:10de0007");
2700 MODULE_ALIAS("snd-hda-codec-id:10de000a");
2701 MODULE_ALIAS("snd-hda-codec-id:10de000b");
2702 MODULE_ALIAS("snd-hda-codec-id:10de000c");
2703 MODULE_ALIAS("snd-hda-codec-id:10de000d");
2704 MODULE_ALIAS("snd-hda-codec-id:10de0010");
2705 MODULE_ALIAS("snd-hda-codec-id:10de0011");
2706 MODULE_ALIAS("snd-hda-codec-id:10de0012");
2707 MODULE_ALIAS("snd-hda-codec-id:10de0013");
2708 MODULE_ALIAS("snd-hda-codec-id:10de0014");
2709 MODULE_ALIAS("snd-hda-codec-id:10de0015");
2710 MODULE_ALIAS("snd-hda-codec-id:10de0016");
2711 MODULE_ALIAS("snd-hda-codec-id:10de0018");
2712 MODULE_ALIAS("snd-hda-codec-id:10de0019");
2713 MODULE_ALIAS("snd-hda-codec-id:10de001a");
2714 MODULE_ALIAS("snd-hda-codec-id:10de001b");
2715 MODULE_ALIAS("snd-hda-codec-id:10de001c");
2716 MODULE_ALIAS("snd-hda-codec-id:10de0040");
2717 MODULE_ALIAS("snd-hda-codec-id:10de0041");
2718 MODULE_ALIAS("snd-hda-codec-id:10de0042");
2719 MODULE_ALIAS("snd-hda-codec-id:10de0043");
2720 MODULE_ALIAS("snd-hda-codec-id:10de0044");
2721 MODULE_ALIAS("snd-hda-codec-id:10de0051");
2722 MODULE_ALIAS("snd-hda-codec-id:10de0060");
2723 MODULE_ALIAS("snd-hda-codec-id:10de0067");
2724 MODULE_ALIAS("snd-hda-codec-id:10de8001");
2725 MODULE_ALIAS("snd-hda-codec-id:11069f80");
2726 MODULE_ALIAS("snd-hda-codec-id:11069f81");
2727 MODULE_ALIAS("snd-hda-codec-id:11069f84");
2728 MODULE_ALIAS("snd-hda-codec-id:11069f85");
2729 MODULE_ALIAS("snd-hda-codec-id:17e80047");
2730 MODULE_ALIAS("snd-hda-codec-id:80860054");
2731 MODULE_ALIAS("snd-hda-codec-id:80862801");
2732 MODULE_ALIAS("snd-hda-codec-id:80862802");
2733 MODULE_ALIAS("snd-hda-codec-id:80862803");
2734 MODULE_ALIAS("snd-hda-codec-id:80862804");
2735 MODULE_ALIAS("snd-hda-codec-id:80862805");
2736 MODULE_ALIAS("snd-hda-codec-id:80862806");
2737 MODULE_ALIAS("snd-hda-codec-id:80862807");
2738 MODULE_ALIAS("snd-hda-codec-id:80862880");
2739 MODULE_ALIAS("snd-hda-codec-id:808629fb");
2740
2741 MODULE_LICENSE("GPL");
2742 MODULE_DESCRIPTION("HDMI HD-audio codec");
2743 MODULE_ALIAS("snd-hda-codec-intelhdmi");
2744 MODULE_ALIAS("snd-hda-codec-nvhdmi");
2745 MODULE_ALIAS("snd-hda-codec-atihdmi");
2746
2747 static struct hda_codec_preset_list intel_list = {
2748         .preset = snd_hda_preset_hdmi,
2749         .owner = THIS_MODULE,
2750 };
2751
2752 static int __init patch_hdmi_init(void)
2753 {
2754         return snd_hda_add_codec_preset(&intel_list);
2755 }
2756
2757 static void __exit patch_hdmi_exit(void)
2758 {
2759         snd_hda_delete_codec_preset(&intel_list);
2760 }
2761
2762 module_init(patch_hdmi_init)
2763 module_exit(patch_hdmi_exit)