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 /*
  48  * The HDMI/DisplayPort configuration can be highly dynamic. A graphics device
  49  * could support N independent pipes, each of them can be connected to one or
  50  * more ports (DVI, HDMI or DisplayPort).
  51  *
  52  * The HDA correspondence of pipes/ports are converter/pin nodes.
  53  */
  54 #define MAX_HDMI_CVTS   8
  55 #define MAX_HDMI_PINS   8
  56
  57 struct hdmi_spec_per_cvt {
  58         hda_nid_t cvt_nid;
  59         int assigned;
  60         unsigned int channels_min;
  61         unsigned int channels_max;
  62         u32 rates;
  63         u64 formats;
  64         unsigned int maxbps;
  65 };
  66
  67 struct hdmi_spec_per_pin {
  68         hda_nid_t pin_nid;
  69         int num_mux_nids;
  70         hda_nid_t mux_nids[HDA_MAX_CONNECTIONS];
  71
  72         struct hda_codec *codec;
  73         struct hdmi_eld sink_eld;
  74         struct delayed_work work;
  75         int repoll_count;
  76         bool non_pcm;
  77         bool chmap_set;         /* channel-map override by ALSA API? */
  78         unsigned char chmap[8]; /* ALSA API channel-map */
  79 };
  80
  81 struct hdmi_spec {
  82         int num_cvts;
  83         struct hdmi_spec_per_cvt cvts[MAX_HDMI_CVTS];
  84
  85         int num_pins;
  86         struct hdmi_spec_per_pin pins[MAX_HDMI_PINS];
  87         struct hda_pcm pcm_rec[MAX_HDMI_PINS];
  88         unsigned int channels_max; /* max over all cvts */
  89
  90         /*
  91          * Non-generic ATI/NVIDIA specific
  92          */
  93         struct hda_multi_out multiout;
  94         struct hda_pcm_stream pcm_playback;
  95 };
  96
  97
  98 struct hdmi_audio_infoframe {
  99         u8 type; /* 0x84 */
 100         u8 ver;  /* 0x01 */
 101         u8 len;  /* 0x0a */
 102
 103         u8 checksum;
 104
 105         u8 CC02_CT47;   /* CC in bits 0:2, CT in 4:7 */
 106         u8 SS01_SF24;
 107         u8 CXT04;
 108         u8 CA;
 109         u8 LFEPBL01_LSV36_DM_INH7;
 110 };
 111
 112 struct dp_audio_infoframe {
 113         u8 type; /* 0x84 */
 114         u8 len;  /* 0x1b */
 115         u8 ver;  /* 0x11 << 2 */
 116
 117         u8 CC02_CT47;   /* match with HDMI infoframe from this on */
 118         u8 SS01_SF24;
 119         u8 CXT04;
 120         u8 CA;
 121         u8 LFEPBL01_LSV36_DM_INH7;
 122 };
 123
 124 union audio_infoframe {
 125         struct hdmi_audio_infoframe hdmi;
 126         struct dp_audio_infoframe dp;
 127         u8 bytes[0];
 128 };
 129
 130 /*
 131  * CEA speaker placement:
 132  *
 133  *        FLH       FCH        FRH
 134  *  FLW    FL  FLC   FC   FRC   FR   FRW
 135  *
 136  *                                  LFE
 137  *                     TC
 138  *
 139  *          RL  RLC   RC   RRC   RR
 140  *
 141  * The Left/Right Surround channel _notions_ LS/RS in SMPTE 320M corresponds to
 142  * CEA RL/RR; The SMPTE channel _assignment_ C/LFE is swapped to CEA LFE/FC.
 143  */
 144 enum cea_speaker_placement {
 145         FL  = (1 <<  0),        /* Front Left           */
 146         FC  = (1 <<  1),        /* Front Center         */
 147         FR  = (1 <<  2),        /* Front Right          */
 148         FLC = (1 <<  3),        /* Front Left Center    */
 149         FRC = (1 <<  4),        /* Front Right Center   */
 150         RL  = (1 <<  5),        /* Rear Left            */
 151         RC  = (1 <<  6),        /* Rear Center          */
 152         RR  = (1 <<  7),        /* Rear Right           */
 153         RLC = (1 <<  8),        /* Rear Left Center     */
 154         RRC = (1 <<  9),        /* Rear Right Center    */
 155         LFE = (1 << 10),        /* Low Frequency Effect */
 156         FLW = (1 << 11),        /* Front Left Wide      */
 157         FRW = (1 << 12),        /* Front Right Wide     */
 158         FLH = (1 << 13),        /* Front Left High      */
 159         FCH = (1 << 14),        /* Front Center High    */
 160         FRH = (1 << 15),        /* Front Right High     */
 161         TC  = (1 << 16),        /* Top Center           */
 162 };
 163
 164 /*
 165  * ELD SA bits in the CEA Speaker Allocation data block
 166  */
 167 static int eld_speaker_allocation_bits[] = {
 168         [0] = FL | FR,
 169         [1] = LFE,
 170         [2] = FC,
 171         [3] = RL | RR,
 172         [4] = RC,
 173         [5] = FLC | FRC,
 174         [6] = RLC | RRC,
 175         /* the following are not defined in ELD yet */
 176         [7] = FLW | FRW,
 177         [8] = FLH | FRH,
 178         [9] = TC,
 179         [10] = FCH,
 180 };
 181
 182 struct cea_channel_speaker_allocation {
 183         int ca_index;
 184         int speakers[8];
 185
 186         /* derived values, just for convenience */
 187         int channels;
 188         int spk_mask;
 189 };
 190
 191 /*
 192  * ALSA sequence is:
 193  *
 194  *       surround40   surround41   surround50   surround51   surround71
 195  * ch0   front left   =            =            =            =
 196  * ch1   front right  =            =            =            =
 197  * ch2   rear left    =            =            =            =
 198  * ch3   rear right   =            =            =            =
 199  * ch4                LFE          center       center       center
 200  * ch5                                          LFE          LFE
 201  * ch6                                                       side left
 202  * ch7                                                       side right
 203  *
 204  * surround71 = {FL, FR, RLC, RRC, FC, LFE, RL, RR}
 205  */
 206 static int hdmi_channel_mapping[0x32][8] = {
 207         /* stereo */
 208         [0x00] = { 0x00, 0x11, 0xf2, 0xf3, 0xf4, 0xf5, 0xf6, 0xf7 },
 209         /* 2.1 */
 210         [0x01] = { 0x00, 0x11, 0x22, 0xf3, 0xf4, 0xf5, 0xf6, 0xf7 },
 211         /* Dolby Surround */
 212         [0x02] = { 0x00, 0x11, 0x23, 0xf2, 0xf4, 0xf5, 0xf6, 0xf7 },
 213         /* surround40 */
 214         [0x08] = { 0x00, 0x11, 0x24, 0x35, 0xf3, 0xf2, 0xf6, 0xf7 },
 215         /* 4ch */
 216         [0x03] = { 0x00, 0x11, 0x23, 0x32, 0x44, 0xf5, 0xf6, 0xf7 },
 217         /* surround41 */
 218         [0x09] = { 0x00, 0x11, 0x24, 0x35, 0x42, 0xf3, 0xf6, 0xf7 },
 219         /* surround50 */
 220         [0x0a] = { 0x00, 0x11, 0x24, 0x35, 0x43, 0xf2, 0xf6, 0xf7 },
 221         /* surround51 */
 222         [0x0b] = { 0x00, 0x11, 0x24, 0x35, 0x43, 0x52, 0xf6, 0xf7 },
 223         /* 7.1 */
 224         [0x13] = { 0x00, 0x11, 0x26, 0x37, 0x43, 0x52, 0x64, 0x75 },
 225 };
 226
 227 /*
 228  * This is an ordered list!
 229  *
 230  * The preceding ones have better chances to be selected by
 231  * hdmi_channel_allocation().
 232  */
 233 static struct cea_channel_speaker_allocation channel_allocations[] = {
 234 /*                        channel:   7     6    5    4    3     2    1    0  */
 235 { .ca_index = 0x00,  .speakers = {   0,    0,   0,   0,   0,    0,  FR,  FL } },
 236                                  /* 2.1 */
 237 { .ca_index = 0x01,  .speakers = {   0,    0,   0,   0,   0,  LFE,  FR,  FL } },
 238                                  /* Dolby Surround */
 239 { .ca_index = 0x02,  .speakers = {   0,    0,   0,   0,  FC,    0,  FR,  FL } },
 240                                  /* surround40 */
 241 { .ca_index = 0x08,  .speakers = {   0,    0,  RR,  RL,   0,    0,  FR,  FL } },
 242                                  /* surround41 */
 243 { .ca_index = 0x09,  .speakers = {   0,    0,  RR,  RL,   0,  LFE,  FR,  FL } },
 244                                  /* surround50 */
 245 { .ca_index = 0x0a,  .speakers = {   0,    0,  RR,  RL,  FC,    0,  FR,  FL } },
 246                                  /* surround51 */
 247 { .ca_index = 0x0b,  .speakers = {   0,    0,  RR,  RL,  FC,  LFE,  FR,  FL } },
 248                                  /* 6.1 */
 249 { .ca_index = 0x0f,  .speakers = {   0,   RC,  RR,  RL,  FC,  LFE,  FR,  FL } },
 250                                  /* surround71 */
 251 { .ca_index = 0x13,  .speakers = { RRC,  RLC,  RR,  RL,  FC,  LFE,  FR,  FL } },
 252
 253 { .ca_index = 0x03,  .speakers = {   0,    0,   0,   0,  FC,  LFE,  FR,  FL } },
 254 { .ca_index = 0x04,  .speakers = {   0,    0,   0,  RC,   0,    0,  FR,  FL } },
 255 { .ca_index = 0x05,  .speakers = {   0,    0,   0,  RC,   0,  LFE,  FR,  FL } },
 256 { .ca_index = 0x06,  .speakers = {   0,    0,   0,  RC,  FC,    0,  FR,  FL } },
 257 { .ca_index = 0x07,  .speakers = {   0,    0,   0,  RC,  FC,  LFE,  FR,  FL } },
 258 { .ca_index = 0x0c,  .speakers = {   0,   RC,  RR,  RL,   0,    0,  FR,  FL } },
 259 { .ca_index = 0x0d,  .speakers = {   0,   RC,  RR,  RL,   0,  LFE,  FR,  FL } },
 260 { .ca_index = 0x0e,  .speakers = {   0,   RC,  RR,  RL,  FC,    0,  FR,  FL } },
 261 { .ca_index = 0x10,  .speakers = { RRC,  RLC,  RR,  RL,   0,    0,  FR,  FL } },
 262 { .ca_index = 0x11,  .speakers = { RRC,  RLC,  RR,  RL,   0,  LFE,  FR,  FL } },
 263 { .ca_index = 0x12,  .speakers = { RRC,  RLC,  RR,  RL,  FC,    0,  FR,  FL } },
 264 { .ca_index = 0x14,  .speakers = { FRC,  FLC,   0,   0,   0,    0,  FR,  FL } },
 265 { .ca_index = 0x15,  .speakers = { FRC,  FLC,   0,   0,   0,  LFE,  FR,  FL } },
 266 { .ca_index = 0x16,  .speakers = { FRC,  FLC,   0,   0,  FC,    0,  FR,  FL } },
 267 { .ca_index = 0x17,  .speakers = { FRC,  FLC,   0,   0,  FC,  LFE,  FR,  FL } },
 268 { .ca_index = 0x18,  .speakers = { FRC,  FLC,   0,  RC,   0,    0,  FR,  FL } },
 269 { .ca_index = 0x19,  .speakers = { FRC,  FLC,   0,  RC,   0,  LFE,  FR,  FL } },
 270 { .ca_index = 0x1a,  .speakers = { FRC,  FLC,   0,  RC,  FC,    0,  FR,  FL } },
 271 { .ca_index = 0x1b,  .speakers = { FRC,  FLC,   0,  RC,  FC,  LFE,  FR,  FL } },
 272 { .ca_index = 0x1c,  .speakers = { FRC,  FLC,  RR,  RL,   0,    0,  FR,  FL } },
 273 { .ca_index = 0x1d,  .speakers = { FRC,  FLC,  RR,  RL,   0,  LFE,  FR,  FL } },
 274 { .ca_index = 0x1e,  .speakers = { FRC,  FLC,  RR,  RL,  FC,    0,  FR,  FL } },
 275 { .ca_index = 0x1f,  .speakers = { FRC,  FLC,  RR,  RL,  FC,  LFE,  FR,  FL } },
 276 { .ca_index = 0x20,  .speakers = {   0,  FCH,  RR,  RL,  FC,    0,  FR,  FL } },
 277 { .ca_index = 0x21,  .speakers = {   0,  FCH,  RR,  RL,  FC,  LFE,  FR,  FL } },
 278 { .ca_index = 0x22,  .speakers = {  TC,    0,  RR,  RL,  FC,    0,  FR,  FL } },
 279 { .ca_index = 0x23,  .speakers = {  TC,    0,  RR,  RL,  FC,  LFE,  FR,  FL } },
 280 { .ca_index = 0x24,  .speakers = { FRH,  FLH,  RR,  RL,   0,    0,  FR,  FL } },
 281 { .ca_index = 0x25,  .speakers = { FRH,  FLH,  RR,  RL,   0,  LFE,  FR,  FL } },
 282 { .ca_index = 0x26,  .speakers = { FRW,  FLW,  RR,  RL,   0,    0,  FR,  FL } },
 283 { .ca_index = 0x27,  .speakers = { FRW,  FLW,  RR,  RL,   0,  LFE,  FR,  FL } },
 284 { .ca_index = 0x28,  .speakers = {  TC,   RC,  RR,  RL,  FC,    0,  FR,  FL } },
 285 { .ca_index = 0x29,  .speakers = {  TC,   RC,  RR,  RL,  FC,  LFE,  FR,  FL } },
 286 { .ca_index = 0x2a,  .speakers = { FCH,   RC,  RR,  RL,  FC,    0,  FR,  FL } },
 287 { .ca_index = 0x2b,  .speakers = { FCH,   RC,  RR,  RL,  FC,  LFE,  FR,  FL } },
 288 { .ca_index = 0x2c,  .speakers = {  TC,  FCH,  RR,  RL,  FC,    0,  FR,  FL } },
 289 { .ca_index = 0x2d,  .speakers = {  TC,  FCH,  RR,  RL,  FC,  LFE,  FR,  FL } },
 290 { .ca_index = 0x2e,  .speakers = { FRH,  FLH,  RR,  RL,  FC,    0,  FR,  FL } },
 291 { .ca_index = 0x2f,  .speakers = { FRH,  FLH,  RR,  RL,  FC,  LFE,  FR,  FL } },
 292 { .ca_index = 0x30,  .speakers = { FRW,  FLW,  RR,  RL,  FC,    0,  FR,  FL } },
 293 { .ca_index = 0x31,  .speakers = { FRW,  FLW,  RR,  RL,  FC,  LFE,  FR,  FL } },
 294 };
 295
 296
 297 /*
 298  * HDMI routines
 299  */
 300
 301 static int pin_nid_to_pin_index(struct hdmi_spec *spec, hda_nid_t pin_nid)
 302 {
 303         int pin_idx;
 304
 305         for (pin_idx = 0; pin_idx < spec->num_pins; pin_idx++)
 306                 if (spec->pins[pin_idx].pin_nid == pin_nid)
 307                         return pin_idx;
 308
 309         snd_printk(KERN_WARNING "HDMI: pin nid %d not registered\n", pin_nid);
 310         return -EINVAL;
 311 }
 312
 313 static int hinfo_to_pin_index(struct hdmi_spec *spec,
 314                               struct hda_pcm_stream *hinfo)
 315 {
 316         int pin_idx;
 317
 318         for (pin_idx = 0; pin_idx < spec->num_pins; pin_idx++)
 319                 if (&spec->pcm_rec[pin_idx].stream[0] == hinfo)
 320                         return pin_idx;
 321
 322         snd_printk(KERN_WARNING "HDMI: hinfo %p not registered\n", hinfo);
 323         return -EINVAL;
 324 }
 325
 326 static int cvt_nid_to_cvt_index(struct hdmi_spec *spec, hda_nid_t cvt_nid)
 327 {
 328         int cvt_idx;
 329
 330         for (cvt_idx = 0; cvt_idx < spec->num_cvts; cvt_idx++)
 331                 if (spec->cvts[cvt_idx].cvt_nid == cvt_nid)
 332                         return cvt_idx;
 333
 334         snd_printk(KERN_WARNING "HDMI: cvt nid %d not registered\n", cvt_nid);
 335         return -EINVAL;
 336 }
 337
 338 static int hdmi_eld_ctl_info(struct snd_kcontrol *kcontrol,
 339                         struct snd_ctl_elem_info *uinfo)
 340 {
 341         struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
 342         struct hdmi_spec *spec;
 343         int pin_idx;
 344
 345         spec = codec->spec;
 346         uinfo->type = SNDRV_CTL_ELEM_TYPE_BYTES;
 347
 348         pin_idx = kcontrol->private_value;
 349         uinfo->count = spec->pins[pin_idx].sink_eld.eld_size;
 350
 351         return 0;
 352 }
 353
 354 static int hdmi_eld_ctl_get(struct snd_kcontrol *kcontrol,
 355                         struct snd_ctl_elem_value *ucontrol)
 356 {
 357         struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
 358         struct hdmi_spec *spec;
 359         int pin_idx;
 360
 361         spec = codec->spec;
 362         pin_idx = kcontrol->private_value;
 363
 364         memcpy(ucontrol->value.bytes.data,
 365                 spec->pins[pin_idx].sink_eld.eld_buffer, ELD_MAX_SIZE);
 366
 367         return 0;
 368 }
 369
 370 static struct snd_kcontrol_new eld_bytes_ctl = {
 371         .access = SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_VOLATILE,
 372         .iface = SNDRV_CTL_ELEM_IFACE_PCM,
 373         .name = "ELD",
 374         .info = hdmi_eld_ctl_info,
 375         .get = hdmi_eld_ctl_get,
 376 };
 377
 378 static int hdmi_create_eld_ctl(struct hda_codec *codec, int pin_idx,
 379                         int device)
 380 {
 381         struct snd_kcontrol *kctl;
 382         struct hdmi_spec *spec = codec->spec;
 383         int err;
 384
 385         kctl = snd_ctl_new1(&eld_bytes_ctl, codec);
 386         if (!kctl)
 387                 return -ENOMEM;
 388         kctl->private_value = pin_idx;
 389         kctl->id.device = device;
 390
 391         err = snd_hda_ctl_add(codec, spec->pins[pin_idx].pin_nid, kctl);
 392         if (err < 0)
 393                 return err;
 394
 395         return 0;
 396 }
 397
 398 #ifdef BE_PARANOID
 399 static void hdmi_get_dip_index(struct hda_codec *codec, hda_nid_t pin_nid,
 400                                 int *packet_index, int *byte_index)
 401 {
 402         int val;
 403
 404         val = snd_hda_codec_read(codec, pin_nid, 0,
 405                                  AC_VERB_GET_HDMI_DIP_INDEX, 0);
 406
 407         *packet_index = val >> 5;
 408         *byte_index = val & 0x1f;
 409 }
 410 #endif
 411
 412 static void hdmi_set_dip_index(struct hda_codec *codec, hda_nid_t pin_nid,
 413                                 int packet_index, int byte_index)
 414 {
 415         int val;
 416
 417         val = (packet_index << 5) | (byte_index & 0x1f);
 418
 419         snd_hda_codec_write(codec, pin_nid, 0, AC_VERB_SET_HDMI_DIP_INDEX, val);
 420 }
 421
 422 static void hdmi_write_dip_byte(struct hda_codec *codec, hda_nid_t pin_nid,
 423                                 unsigned char val)
 424 {
 425         snd_hda_codec_write(codec, pin_nid, 0, AC_VERB_SET_HDMI_DIP_DATA, val);
 426 }
 427
 428 static void hdmi_init_pin(struct hda_codec *codec, hda_nid_t pin_nid)
 429 {
 430         /* Unmute */
 431         if (get_wcaps(codec, pin_nid) & AC_WCAP_OUT_AMP)
 432                 snd_hda_codec_write(codec, pin_nid, 0,
 433                                 AC_VERB_SET_AMP_GAIN_MUTE, AMP_OUT_UNMUTE);
 434         /* Disable pin out until stream is active*/
 435         snd_hda_codec_write(codec, pin_nid, 0,
 436                             AC_VERB_SET_PIN_WIDGET_CONTROL, 0);
 437 }
 438
 439 static int hdmi_get_channel_count(struct hda_codec *codec, hda_nid_t cvt_nid)
 440 {
 441         return 1 + snd_hda_codec_read(codec, cvt_nid, 0,
 442                                         AC_VERB_GET_CVT_CHAN_COUNT, 0);
 443 }
 444
 445 static void hdmi_set_channel_count(struct hda_codec *codec,
 446                                    hda_nid_t cvt_nid, int chs)
 447 {
 448         if (chs != hdmi_get_channel_count(codec, cvt_nid))
 449                 snd_hda_codec_write(codec, cvt_nid, 0,
 450                                     AC_VERB_SET_CVT_CHAN_COUNT, chs - 1);
 451 }
 452
 453
 454 /*
 455  * Channel mapping routines
 456  */
 457
 458 /*
 459  * Compute derived values in channel_allocations[].
 460  */
 461 static void init_channel_allocations(void)
 462 {
 463         int i, j;
 464         struct cea_channel_speaker_allocation *p;
 465
 466         for (i = 0; i < ARRAY_SIZE(channel_allocations); i++) {
 467                 p = channel_allocations + i;
 468                 p->channels = 0;
 469                 p->spk_mask = 0;
 470                 for (j = 0; j < ARRAY_SIZE(p->speakers); j++)
 471                         if (p->speakers[j]) {
 472                                 p->channels++;
 473                                 p->spk_mask |= p->speakers[j];
 474                         }
 475         }
 476 }
 477
 478 static int get_channel_allocation_order(int ca)
 479 {
 480         int i;
 481
 482         for (i = 0; i < ARRAY_SIZE(channel_allocations); i++) {
 483                 if (channel_allocations[i].ca_index == ca)
 484                         break;
 485         }
 486         return i;
 487 }
 488
 489 /*
 490  * The transformation takes two steps:
 491  *
 492  *      eld->spk_alloc => (eld_speaker_allocation_bits[]) => spk_mask
 493  *            spk_mask => (channel_allocations[])         => ai->CA
 494  *
 495  * TODO: it could select the wrong CA from multiple candidates.
 496 */
 497 static int hdmi_channel_allocation(struct hdmi_eld *eld, int channels)
 498 {
 499         int i;
 500         int ca = 0;
 501         int spk_mask = 0;
 502         char buf[SND_PRINT_CHANNEL_ALLOCATION_ADVISED_BUFSIZE];
 503
 504         /*
 505          * CA defaults to 0 for basic stereo audio
 506          */
 507         if (channels <= 2)
 508                 return 0;
 509
 510         /*
 511          * expand ELD's speaker allocation mask
 512          *
 513          * ELD tells the speaker mask in a compact(paired) form,
 514          * expand ELD's notions to match the ones used by Audio InfoFrame.
 515          */
 516         for (i = 0; i < ARRAY_SIZE(eld_speaker_allocation_bits); i++) {
 517                 if (eld->spk_alloc & (1 << i))
 518                         spk_mask |= eld_speaker_allocation_bits[i];
 519         }
 520
 521         /* search for the first working match in the CA table */
 522         for (i = 0; i < ARRAY_SIZE(channel_allocations); i++) {
 523                 if (channels == channel_allocations[i].channels &&
 524                     (spk_mask & channel_allocations[i].spk_mask) ==
 525                                 channel_allocations[i].spk_mask) {
 526                         ca = channel_allocations[i].ca_index;
 527                         break;
 528                 }
 529         }
 530
 531         snd_print_channel_allocation(eld->spk_alloc, buf, sizeof(buf));
 532         snd_printdd("HDMI: select CA 0x%x for %d-channel allocation: %s\n",
 533                     ca, channels, buf);
 534
 535         return ca;
 536 }
 537
 538 static void hdmi_debug_channel_mapping(struct hda_codec *codec,
 539                                        hda_nid_t pin_nid)
 540 {
 541 #ifdef CONFIG_SND_DEBUG_VERBOSE
 542         int i;
 543         int slot;
 544
 545         for (i = 0; i < 8; i++) {
 546                 slot = snd_hda_codec_read(codec, pin_nid, 0,
 547                                                 AC_VERB_GET_HDMI_CHAN_SLOT, i);
 548                 printk(KERN_DEBUG "HDMI: ASP channel %d => slot %d\n",
 549                                                 slot >> 4, slot & 0xf);
 550         }
 551 #endif
 552 }
 553
 554
 555 static void hdmi_std_setup_channel_mapping(struct hda_codec *codec,
 556                                        hda_nid_t pin_nid,
 557                                        bool non_pcm,
 558                                        int ca)
 559 {
 560         int i;
 561         int err;
 562         int order;
 563         int non_pcm_mapping[8];
 564
 565         order = get_channel_allocation_order(ca);
 566
 567         if (hdmi_channel_mapping[ca][1] == 0) {
 568                 for (i = 0; i < channel_allocations[order].channels; i++)
 569                         hdmi_channel_mapping[ca][i] = i | (i << 4);
 570                 for (; i < 8; i++)
 571                         hdmi_channel_mapping[ca][i] = 0xf | (i << 4);
 572         }
 573
 574         if (non_pcm) {
 575                 for (i = 0; i < channel_allocations[order].channels; i++)
 576                         non_pcm_mapping[i] = i | (i << 4);
 577                 for (; i < 8; i++)
 578                         non_pcm_mapping[i] = 0xf | (i << 4);
 579         }
 580
 581         for (i = 0; i < 8; i++) {
 582                 err = snd_hda_codec_write(codec, pin_nid, 0,
 583                                           AC_VERB_SET_HDMI_CHAN_SLOT,
 584                                           non_pcm ? non_pcm_mapping[i] : hdmi_channel_mapping[ca][i]);
 585                 if (err) {
 586                         snd_printdd(KERN_NOTICE
 587                                     "HDMI: channel mapping failed\n");
 588                         break;
 589                 }
 590         }
 591
 592         hdmi_debug_channel_mapping(codec, pin_nid);
 593 }
 594
 595 struct channel_map_table {
 596         unsigned char map;              /* ALSA API channel map position */
 597         unsigned char cea_slot;         /* CEA slot value */
 598         int spk_mask;                   /* speaker position bit mask */
 599 };
 600
 601 static struct channel_map_table map_tables[] = {
 602         { SNDRV_CHMAP_FL,       0x00,   FL },
 603         { SNDRV_CHMAP_FR,       0x01,   FR },
 604         { SNDRV_CHMAP_RL,       0x04,   RL },
 605         { SNDRV_CHMAP_RR,       0x05,   RR },
 606         { SNDRV_CHMAP_LFE,      0x02,   LFE },
 607         { SNDRV_CHMAP_FC,       0x03,   FC },
 608         { SNDRV_CHMAP_RLC,      0x06,   RLC },
 609         { SNDRV_CHMAP_RRC,      0x07,   RRC },
 610         {} /* terminator */
 611 };
 612
 613 /* from ALSA API channel position to speaker bit mask */
 614 static int to_spk_mask(unsigned char c)
 615 {
 616         struct channel_map_table *t = map_tables;
 617         for (; t->map; t++) {
 618                 if (t->map == c)
 619                         return t->spk_mask;
 620         }
 621         return 0;
 622 }
 623
 624 /* from ALSA API channel position to CEA slot */
 625 static int to_cea_slot(unsigned char c)
 626 {
 627         struct channel_map_table *t = map_tables;
 628         for (; t->map; t++) {
 629                 if (t->map == c)
 630                         return t->cea_slot;
 631         }
 632         return 0x0f;
 633 }
 634
 635 /* from CEA slot to ALSA API channel position */
 636 static int from_cea_slot(unsigned char c)
 637 {
 638         struct channel_map_table *t = map_tables;
 639         for (; t->map; t++) {
 640                 if (t->cea_slot == c)
 641                         return t->map;
 642         }
 643         return 0;
 644 }
 645
 646 /* from speaker bit mask to ALSA API channel position */
 647 static int spk_to_chmap(int spk)
 648 {
 649         struct channel_map_table *t = map_tables;
 650         for (; t->map; t++) {
 651                 if (t->spk_mask == spk)
 652                         return t->map;
 653         }
 654         return 0;
 655 }
 656
 657 /* get the CA index corresponding to the given ALSA API channel map */
 658 static int hdmi_manual_channel_allocation(int chs, unsigned char *map)
 659 {
 660         int i, spks = 0, spk_mask = 0;
 661
 662         for (i = 0; i < chs; i++) {
 663                 int mask = to_spk_mask(map[i]);
 664                 if (mask) {
 665                         spk_mask |= mask;
 666                         spks++;
 667                 }
 668         }
 669
 670         for (i = 0; i < ARRAY_SIZE(channel_allocations); i++) {
 671                 if ((chs == channel_allocations[i].channels ||
 672                      spks == channel_allocations[i].channels) &&
 673                     (spk_mask & channel_allocations[i].spk_mask) ==
 674                                 channel_allocations[i].spk_mask)
 675                         return channel_allocations[i].ca_index;
 676         }
 677         return -1;
 678 }
 679
 680 /* set up the channel slots for the given ALSA API channel map */
 681 static int hdmi_manual_setup_channel_mapping(struct hda_codec *codec,
 682                                              hda_nid_t pin_nid,
 683                                              int chs, unsigned char *map)
 684 {
 685         int i;
 686         for (i = 0; i < 8; i++) {
 687                 int val, err;
 688                 if (i < chs)
 689                         val = to_cea_slot(map[i]);
 690                 else
 691                         val = 0xf;
 692                 val |= (i << 4);
 693                 err = snd_hda_codec_write(codec, pin_nid, 0,
 694                                           AC_VERB_SET_HDMI_CHAN_SLOT, val);
 695                 if (err)
 696                         return -EINVAL;
 697         }
 698         return 0;
 699 }
 700
 701 /* store ALSA API channel map from the current default map */
 702 static void hdmi_setup_fake_chmap(unsigned char *map, int ca)
 703 {
 704         int i;
 705         for (i = 0; i < 8; i++) {
 706                 if (i < channel_allocations[ca].channels)
 707                         map[i] = from_cea_slot((hdmi_channel_mapping[ca][i] >> 4) & 0x0f);
 708                 else
 709                         map[i] = 0;
 710         }
 711 }
 712
 713 static void hdmi_setup_channel_mapping(struct hda_codec *codec,
 714                                        hda_nid_t pin_nid, bool non_pcm, int ca,
 715                                        int channels, unsigned char *map)
 716 {
 717         if (!non_pcm && map) {
 718                 hdmi_manual_setup_channel_mapping(codec, pin_nid,
 719                                                   channels, map);
 720         } else {
 721                 hdmi_std_setup_channel_mapping(codec, pin_nid, non_pcm, ca);
 722                 hdmi_setup_fake_chmap(map, ca);
 723         }
 724 }
 725
 726 /*
 727  * Audio InfoFrame routines
 728  */
 729
 730 /*
 731  * Enable Audio InfoFrame Transmission
 732  */
 733 static void hdmi_start_infoframe_trans(struct hda_codec *codec,
 734                                        hda_nid_t pin_nid)
 735 {
 736         hdmi_set_dip_index(codec, pin_nid, 0x0, 0x0);
 737         snd_hda_codec_write(codec, pin_nid, 0, AC_VERB_SET_HDMI_DIP_XMIT,
 738                                                 AC_DIPXMIT_BEST);
 739 }
 740
 741 /*
 742  * Disable Audio InfoFrame Transmission
 743  */
 744 static void hdmi_stop_infoframe_trans(struct hda_codec *codec,
 745                                       hda_nid_t pin_nid)
 746 {
 747         hdmi_set_dip_index(codec, pin_nid, 0x0, 0x0);
 748         snd_hda_codec_write(codec, pin_nid, 0, AC_VERB_SET_HDMI_DIP_XMIT,
 749                                                 AC_DIPXMIT_DISABLE);
 750 }
 751
 752 static void hdmi_debug_dip_size(struct hda_codec *codec, hda_nid_t pin_nid)
 753 {
 754 #ifdef CONFIG_SND_DEBUG_VERBOSE
 755         int i;
 756         int size;
 757
 758         size = snd_hdmi_get_eld_size(codec, pin_nid);
 759         printk(KERN_DEBUG "HDMI: ELD buf size is %d\n", size);
 760
 761         for (i = 0; i < 8; i++) {
 762                 size = snd_hda_codec_read(codec, pin_nid, 0,
 763                                                 AC_VERB_GET_HDMI_DIP_SIZE, i);
 764                 printk(KERN_DEBUG "HDMI: DIP GP[%d] buf size is %d\n", i, size);
 765         }
 766 #endif
 767 }
 768
 769 static void hdmi_clear_dip_buffers(struct hda_codec *codec, hda_nid_t pin_nid)
 770 {
 771 #ifdef BE_PARANOID
 772         int i, j;
 773         int size;
 774         int pi, bi;
 775         for (i = 0; i < 8; i++) {
 776                 size = snd_hda_codec_read(codec, pin_nid, 0,
 777                                                 AC_VERB_GET_HDMI_DIP_SIZE, i);
 778                 if (size == 0)
 779                         continue;
 780
 781                 hdmi_set_dip_index(codec, pin_nid, i, 0x0);
 782                 for (j = 1; j < 1000; j++) {
 783                         hdmi_write_dip_byte(codec, pin_nid, 0x0);
 784                         hdmi_get_dip_index(codec, pin_nid, &pi, &bi);
 785                         if (pi != i)
 786                                 snd_printd(KERN_INFO "dip index %d: %d != %d\n",
 787                                                 bi, pi, i);
 788                         if (bi == 0) /* byte index wrapped around */
 789                                 break;
 790                 }
 791                 snd_printd(KERN_INFO
 792                         "HDMI: DIP GP[%d] buf reported size=%d, written=%d\n",
 793                         i, size, j);
 794         }
 795 #endif
 796 }
 797
 798 static void hdmi_checksum_audio_infoframe(struct hdmi_audio_infoframe *hdmi_ai)
 799 {
 800         u8 *bytes = (u8 *)hdmi_ai;
 801         u8 sum = 0;
 802         int i;
 803
 804         hdmi_ai->checksum = 0;
 805
 806         for (i = 0; i < sizeof(*hdmi_ai); i++)
 807                 sum += bytes[i];
 808
 809         hdmi_ai->checksum = -sum;
 810 }
 811
 812 static void hdmi_fill_audio_infoframe(struct hda_codec *codec,
 813                                       hda_nid_t pin_nid,
 814                                       u8 *dip, int size)
 815 {
 816         int i;
 817
 818         hdmi_debug_dip_size(codec, pin_nid);
 819         hdmi_clear_dip_buffers(codec, pin_nid); /* be paranoid */
 820
 821         hdmi_set_dip_index(codec, pin_nid, 0x0, 0x0);
 822         for (i = 0; i < size; i++)
 823                 hdmi_write_dip_byte(codec, pin_nid, dip[i]);
 824 }
 825
 826 static bool hdmi_infoframe_uptodate(struct hda_codec *codec, hda_nid_t pin_nid,
 827                                     u8 *dip, int size)
 828 {
 829         u8 val;
 830         int i;
 831
 832         if (snd_hda_codec_read(codec, pin_nid, 0, AC_VERB_GET_HDMI_DIP_XMIT, 0)
 833                                                             != AC_DIPXMIT_BEST)
 834                 return false;
 835
 836         hdmi_set_dip_index(codec, pin_nid, 0x0, 0x0);
 837         for (i = 0; i < size; i++) {
 838                 val = snd_hda_codec_read(codec, pin_nid, 0,
 839                                          AC_VERB_GET_HDMI_DIP_DATA, 0);
 840                 if (val != dip[i])
 841                         return false;
 842         }
 843
 844         return true;
 845 }
 846
 847 static void hdmi_setup_audio_infoframe(struct hda_codec *codec, int pin_idx,
 848                                        bool non_pcm,
 849                                        struct snd_pcm_substream *substream)
 850 {
 851         struct hdmi_spec *spec = codec->spec;
 852         struct hdmi_spec_per_pin *per_pin = &spec->pins[pin_idx];
 853         hda_nid_t pin_nid = per_pin->pin_nid;
 854         int channels = substream->runtime->channels;
 855         struct hdmi_eld *eld;
 856         int ca;
 857         union audio_infoframe ai;
 858
 859         eld = &spec->pins[pin_idx].sink_eld;
 860         if (!eld->monitor_present)
 861                 return;
 862
 863         if (!non_pcm && per_pin->chmap_set)
 864                 ca = hdmi_manual_channel_allocation(channels, per_pin->chmap);
 865         else
 866                 ca = hdmi_channel_allocation(eld, channels);
 867         if (ca < 0)
 868                 ca = 0;
 869
 870         memset(&ai, 0, sizeof(ai));
 871         if (eld->conn_type == 0) { /* HDMI */
 872                 struct hdmi_audio_infoframe *hdmi_ai = &ai.hdmi;
 873
 874                 hdmi_ai->type           = 0x84;
 875                 hdmi_ai->ver            = 0x01;
 876                 hdmi_ai->len            = 0x0a;
 877                 hdmi_ai->CC02_CT47      = channels - 1;
 878                 hdmi_ai->CA             = ca;
 879                 hdmi_checksum_audio_infoframe(hdmi_ai);
 880         } else if (eld->conn_type == 1) { /* DisplayPort */
 881                 struct dp_audio_infoframe *dp_ai = &ai.dp;
 882
 883                 dp_ai->type             = 0x84;
 884                 dp_ai->len              = 0x1b;
 885                 dp_ai->ver              = 0x11 << 2;
 886                 dp_ai->CC02_CT47        = channels - 1;
 887                 dp_ai->CA               = ca;
 888         } else {
 889                 snd_printd("HDMI: unknown connection type at pin %d\n",
 890                             pin_nid);
 891                 return;
 892         }
 893
 894         /*
 895          * sizeof(ai) is used instead of sizeof(*hdmi_ai) or
 896          * sizeof(*dp_ai) to avoid partial match/update problems when
 897          * the user switches between HDMI/DP monitors.
 898          */
 899         if (!hdmi_infoframe_uptodate(codec, pin_nid, ai.bytes,
 900                                         sizeof(ai))) {
 901                 snd_printdd("hdmi_setup_audio_infoframe: "
 902                             "pin=%d channels=%d\n",
 903                             pin_nid,
 904                             channels);
 905                 hdmi_setup_channel_mapping(codec, pin_nid, non_pcm, ca,
 906                                            channels, per_pin->chmap);
 907                 hdmi_stop_infoframe_trans(codec, pin_nid);
 908                 hdmi_fill_audio_infoframe(codec, pin_nid,
 909                                             ai.bytes, sizeof(ai));
 910                 hdmi_start_infoframe_trans(codec, pin_nid);
 911         } else {
 912                 /* For non-pcm audio switch, setup new channel mapping
 913                  * accordingly */
 914                 if (per_pin->non_pcm != non_pcm)
 915                         hdmi_setup_channel_mapping(codec, pin_nid, non_pcm, ca,
 916                                                    channels, per_pin->chmap);
 917         }
 918
 919         per_pin->non_pcm = non_pcm;
 920 }
 921
 922
 923 /*
 924  * Unsolicited events
 925  */
 926
 927 static void hdmi_present_sense(struct hdmi_spec_per_pin *per_pin, int repoll);
 928
 929 static void hdmi_intrinsic_event(struct hda_codec *codec, unsigned int res)
 930 {
 931         struct hdmi_spec *spec = codec->spec;
 932         int tag = res >> AC_UNSOL_RES_TAG_SHIFT;
 933         int pin_nid;
 934         int pin_idx;
 935         struct hda_jack_tbl *jack;
 936
 937         jack = snd_hda_jack_tbl_get_from_tag(codec, tag);
 938         if (!jack)
 939                 return;
 940         pin_nid = jack->nid;
 941         jack->jack_dirty = 1;
 942
 943         _snd_printd(SND_PR_VERBOSE,
 944                 "HDMI hot plug event: Codec=%d Pin=%d Presence_Detect=%d ELD_Valid=%d\n",
 945                 codec->addr, pin_nid,
 946                 !!(res & AC_UNSOL_RES_PD), !!(res & AC_UNSOL_RES_ELDV));
 947
 948         pin_idx = pin_nid_to_pin_index(spec, pin_nid);
 949         if (pin_idx < 0)
 950                 return;
 951
 952         hdmi_present_sense(&spec->pins[pin_idx], 1);
 953         snd_hda_jack_report_sync(codec);
 954 }
 955
 956 static void hdmi_non_intrinsic_event(struct hda_codec *codec, unsigned int res)
 957 {
 958         int tag = res >> AC_UNSOL_RES_TAG_SHIFT;
 959         int subtag = (res & AC_UNSOL_RES_SUBTAG) >> AC_UNSOL_RES_SUBTAG_SHIFT;
 960         int cp_state = !!(res & AC_UNSOL_RES_CP_STATE);
 961         int cp_ready = !!(res & AC_UNSOL_RES_CP_READY);
 962
 963         printk(KERN_INFO
 964                 "HDMI CP event: CODEC=%d TAG=%d SUBTAG=0x%x CP_STATE=%d CP_READY=%d\n",
 965                 codec->addr,
 966                 tag,
 967                 subtag,
 968                 cp_state,
 969                 cp_ready);
 970
 971         /* TODO */
 972         if (cp_state)
 973                 ;
 974         if (cp_ready)
 975                 ;
 976 }
 977
 978
 979 static void hdmi_unsol_event(struct hda_codec *codec, unsigned int res)
 980 {
 981         int tag = res >> AC_UNSOL_RES_TAG_SHIFT;
 982         int subtag = (res & AC_UNSOL_RES_SUBTAG) >> AC_UNSOL_RES_SUBTAG_SHIFT;
 983
 984         if (!snd_hda_jack_tbl_get_from_tag(codec, tag)) {
 985                 snd_printd(KERN_INFO "Unexpected HDMI event tag 0x%x\n", tag);
 986                 return;
 987         }
 988
 989         if (subtag == 0)
 990                 hdmi_intrinsic_event(codec, res);
 991         else
 992                 hdmi_non_intrinsic_event(codec, res);
 993 }
 994
 995 /*
 996  * Callbacks
 997  */
 998
 999 /* HBR should be Non-PCM, 8 channels */
1000 #define is_hbr_format(format) \
1001         ((format & AC_FMT_TYPE_NON_PCM) && (format & AC_FMT_CHAN_MASK) == 7)
1002
1003 static int hdmi_setup_stream(struct hda_codec *codec, hda_nid_t cvt_nid,
1004                               hda_nid_t pin_nid, u32 stream_tag, int format)
1005 {
1006         int pinctl;
1007         int new_pinctl = 0;
1008
1009         if (snd_hda_query_pin_caps(codec, pin_nid) & AC_PINCAP_HBR) {
1010                 pinctl = snd_hda_codec_read(codec, pin_nid, 0,
1011                                             AC_VERB_GET_PIN_WIDGET_CONTROL, 0);
1012
1013                 new_pinctl = pinctl & ~AC_PINCTL_EPT;
1014                 if (is_hbr_format(format))
1015                         new_pinctl |= AC_PINCTL_EPT_HBR;
1016                 else
1017                         new_pinctl |= AC_PINCTL_EPT_NATIVE;
1018
1019                 snd_printdd("hdmi_setup_stream: "
1020                             "NID=0x%x, %spinctl=0x%x\n",
1021                             pin_nid,
1022                             pinctl == new_pinctl ? "" : "new-",
1023                             new_pinctl);
1024
1025                 if (pinctl != new_pinctl)
1026                         snd_hda_codec_write(codec, pin_nid, 0,
1027                                             AC_VERB_SET_PIN_WIDGET_CONTROL,
1028                                             new_pinctl);
1029
1030         }
1031         if (is_hbr_format(format) && !new_pinctl) {
1032                 snd_printdd("hdmi_setup_stream: HBR is not supported\n");
1033                 return -EINVAL;
1034         }
1035
1036         snd_hda_codec_setup_stream(codec, cvt_nid, stream_tag, 0, format);
1037         return 0;
1038 }
1039
1040 /*
1041  * HDA PCM callbacks
1042  */
1043 static int hdmi_pcm_open(struct hda_pcm_stream *hinfo,
1044                          struct hda_codec *codec,
1045                          struct snd_pcm_substream *substream)
1046 {
1047         struct hdmi_spec *spec = codec->spec;
1048         struct snd_pcm_runtime *runtime = substream->runtime;
1049         int pin_idx, cvt_idx, mux_idx = 0;
1050         struct hdmi_spec_per_pin *per_pin;
1051         struct hdmi_eld *eld;
1052         struct hdmi_spec_per_cvt *per_cvt = NULL;
1053
1054         /* Validate hinfo */
1055         pin_idx = hinfo_to_pin_index(spec, hinfo);
1056         if (snd_BUG_ON(pin_idx < 0))
1057                 return -EINVAL;
1058         per_pin = &spec->pins[pin_idx];
1059         eld = &per_pin->sink_eld;
1060
1061         /* Dynamically assign converter to stream */
1062         for (cvt_idx = 0; cvt_idx < spec->num_cvts; cvt_idx++) {
1063                 per_cvt = &spec->cvts[cvt_idx];
1064
1065                 /* Must not already be assigned */
1066                 if (per_cvt->assigned)
1067                         continue;
1068                 /* Must be in pin's mux's list of converters */
1069                 for (mux_idx = 0; mux_idx < per_pin->num_mux_nids; mux_idx++)
1070                         if (per_pin->mux_nids[mux_idx] == per_cvt->cvt_nid)
1071                                 break;
1072                 /* Not in mux list */
1073                 if (mux_idx == per_pin->num_mux_nids)
1074                         continue;
1075                 break;
1076         }
1077         /* No free converters */
1078         if (cvt_idx == spec->num_cvts)
1079                 return -ENODEV;
1080
1081         /* Claim converter */
1082         per_cvt->assigned = 1;
1083         hinfo->nid = per_cvt->cvt_nid;
1084
1085         snd_hda_codec_write(codec, per_pin->pin_nid, 0,
1086                             AC_VERB_SET_CONNECT_SEL,
1087                             mux_idx);
1088         snd_hda_spdif_ctls_assign(codec, pin_idx, per_cvt->cvt_nid);
1089
1090         /* Initially set the converter's capabilities */
1091         hinfo->channels_min = per_cvt->channels_min;
1092         hinfo->channels_max = per_cvt->channels_max;
1093         hinfo->rates = per_cvt->rates;
1094         hinfo->formats = per_cvt->formats;
1095         hinfo->maxbps = per_cvt->maxbps;
1096
1097         /* Restrict capabilities by ELD if this isn't disabled */
1098         if (!static_hdmi_pcm && eld->eld_valid) {
1099                 snd_hdmi_eld_update_pcm_info(eld, hinfo);
1100                 if (hinfo->channels_min > hinfo->channels_max ||
1101                     !hinfo->rates || !hinfo->formats)
1102                         return -ENODEV;
1103         }
1104
1105         /* Store the updated parameters */
1106         runtime->hw.channels_min = hinfo->channels_min;
1107         runtime->hw.channels_max = hinfo->channels_max;
1108         runtime->hw.formats = hinfo->formats;
1109         runtime->hw.rates = hinfo->rates;
1110
1111         snd_pcm_hw_constraint_step(substream->runtime, 0,
1112                                    SNDRV_PCM_HW_PARAM_CHANNELS, 2);
1113         return 0;
1114 }
1115
1116 /*
1117  * HDA/HDMI auto parsing
1118  */
1119 static int hdmi_read_pin_conn(struct hda_codec *codec, int pin_idx)
1120 {
1121         struct hdmi_spec *spec = codec->spec;
1122         struct hdmi_spec_per_pin *per_pin = &spec->pins[pin_idx];
1123         hda_nid_t pin_nid = per_pin->pin_nid;
1124
1125         if (!(get_wcaps(codec, pin_nid) & AC_WCAP_CONN_LIST)) {
1126                 snd_printk(KERN_WARNING
1127                            "HDMI: pin %d wcaps %#x "
1128                            "does not support connection list\n",
1129                            pin_nid, get_wcaps(codec, pin_nid));
1130                 return -EINVAL;
1131         }
1132
1133         per_pin->num_mux_nids = snd_hda_get_connections(codec, pin_nid,
1134                                                         per_pin->mux_nids,
1135                                                         HDA_MAX_CONNECTIONS);
1136
1137         return 0;
1138 }
1139
1140 static void hdmi_present_sense(struct hdmi_spec_per_pin *per_pin, int repoll)
1141 {
1142         struct hda_codec *codec = per_pin->codec;
1143         struct hdmi_eld *eld = &per_pin->sink_eld;
1144         hda_nid_t pin_nid = per_pin->pin_nid;
1145         /*
1146          * Always execute a GetPinSense verb here, even when called from
1147          * hdmi_intrinsic_event; for some NVIDIA HW, the unsolicited
1148          * response's PD bit is not the real PD value, but indicates that
1149          * the real PD value changed. An older version of the HD-audio
1150          * specification worked this way. Hence, we just ignore the data in
1151          * the unsolicited response to avoid custom WARs.
1152          */
1153         int present = snd_hda_pin_sense(codec, pin_nid);
1154         bool eld_valid = false;
1155
1156         memset(eld, 0, offsetof(struct hdmi_eld, eld_buffer));
1157
1158         eld->monitor_present    = !!(present & AC_PINSENSE_PRESENCE);
1159         if (eld->monitor_present)
1160                 eld_valid       = !!(present & AC_PINSENSE_ELDV);
1161
1162         _snd_printd(SND_PR_VERBOSE,
1163                 "HDMI status: Codec=%d Pin=%d Presence_Detect=%d ELD_Valid=%d\n",
1164                 codec->addr, pin_nid, eld->monitor_present, eld_valid);
1165
1166         if (eld_valid) {
1167                 if (!snd_hdmi_get_eld(eld, codec, pin_nid))
1168                         snd_hdmi_show_eld(eld);
1169                 else if (repoll) {
1170                         queue_delayed_work(codec->bus->workq,
1171                                            &per_pin->work,
1172                                            msecs_to_jiffies(300));
1173                 }
1174         }
1175 }
1176
1177 static void hdmi_repoll_eld(struct work_struct *work)
1178 {
1179         struct hdmi_spec_per_pin *per_pin =
1180         container_of(to_delayed_work(work), struct hdmi_spec_per_pin, work);
1181
1182         if (per_pin->repoll_count++ > 6)
1183                 per_pin->repoll_count = 0;
1184
1185         hdmi_present_sense(per_pin, per_pin->repoll_count);
1186 }
1187
1188 static int hdmi_add_pin(struct hda_codec *codec, hda_nid_t pin_nid)
1189 {
1190         struct hdmi_spec *spec = codec->spec;
1191         unsigned int caps, config;
1192         int pin_idx;
1193         struct hdmi_spec_per_pin *per_pin;
1194         int err;
1195
1196         caps = snd_hda_param_read(codec, pin_nid, AC_PAR_PIN_CAP);
1197         if (!(caps & (AC_PINCAP_HDMI | AC_PINCAP_DP)))
1198                 return 0;
1199
1200         config = snd_hda_codec_read(codec, pin_nid, 0,
1201                                 AC_VERB_GET_CONFIG_DEFAULT, 0);
1202         if (get_defcfg_connect(config) == AC_JACK_PORT_NONE)
1203                 return 0;
1204
1205         if (snd_BUG_ON(spec->num_pins >= MAX_HDMI_PINS))
1206                 return -E2BIG;
1207
1208         pin_idx = spec->num_pins;
1209         per_pin = &spec->pins[pin_idx];
1210
1211         per_pin->pin_nid = pin_nid;
1212         per_pin->non_pcm = false;
1213
1214         err = hdmi_read_pin_conn(codec, pin_idx);
1215         if (err < 0)
1216                 return err;
1217
1218         spec->num_pins++;
1219
1220         return 0;
1221 }
1222
1223 static int hdmi_add_cvt(struct hda_codec *codec, hda_nid_t cvt_nid)
1224 {
1225         struct hdmi_spec *spec = codec->spec;
1226         int cvt_idx;
1227         struct hdmi_spec_per_cvt *per_cvt;
1228         unsigned int chans;
1229         int err;
1230
1231         if (snd_BUG_ON(spec->num_cvts >= MAX_HDMI_CVTS))
1232                 return -E2BIG;
1233
1234         chans = get_wcaps(codec, cvt_nid);
1235         chans = get_wcaps_channels(chans);
1236
1237         cvt_idx = spec->num_cvts;
1238         per_cvt = &spec->cvts[cvt_idx];
1239
1240         per_cvt->cvt_nid = cvt_nid;
1241         per_cvt->channels_min = 2;
1242         if (chans <= 16) {
1243                 per_cvt->channels_max = chans;
1244                 if (chans > spec->channels_max)
1245                         spec->channels_max = chans;
1246         }
1247
1248         err = snd_hda_query_supported_pcm(codec, cvt_nid,
1249                                           &per_cvt->rates,
1250                                           &per_cvt->formats,
1251                                           &per_cvt->maxbps);
1252         if (err < 0)
1253                 return err;
1254
1255         spec->num_cvts++;
1256
1257         return 0;
1258 }
1259
1260 static int hdmi_parse_codec(struct hda_codec *codec)
1261 {
1262         hda_nid_t nid;
1263         int i, nodes;
1264
1265         nodes = snd_hda_get_sub_nodes(codec, codec->afg, &nid);
1266         if (!nid || nodes < 0) {
1267                 snd_printk(KERN_WARNING "HDMI: failed to get afg sub nodes\n");
1268                 return -EINVAL;
1269         }
1270
1271         for (i = 0; i < nodes; i++, nid++) {
1272                 unsigned int caps;
1273                 unsigned int type;
1274
1275                 caps = snd_hda_param_read(codec, nid, AC_PAR_AUDIO_WIDGET_CAP);
1276                 type = get_wcaps_type(caps);
1277
1278                 if (!(caps & AC_WCAP_DIGITAL))
1279                         continue;
1280
1281                 switch (type) {
1282                 case AC_WID_AUD_OUT:
1283                         hdmi_add_cvt(codec, nid);
1284                         break;
1285                 case AC_WID_PIN:
1286                         hdmi_add_pin(codec, nid);
1287                         break;
1288                 }
1289         }
1290
1291 #ifdef CONFIG_PM
1292         /* We're seeing some problems with unsolicited hot plug events on
1293          * PantherPoint after S3, if this is not enabled */
1294         if (codec->vendor_id == 0x80862806)
1295                 codec->bus->power_keep_link_on = 1;
1296         /*
1297          * G45/IbexPeak don't support EPSS: the unsolicited pin hot plug event
1298          * can be lost and presence sense verb will become inaccurate if the
1299          * HDA link is powered off at hot plug or hw initialization time.
1300          */
1301         else if (!(snd_hda_param_read(codec, codec->afg, AC_PAR_POWER_STATE) &
1302               AC_PWRST_EPSS))
1303                 codec->bus->power_keep_link_on = 1;
1304 #endif
1305
1306         return 0;
1307 }
1308
1309 /*
1310  */
1311 static char *get_hdmi_pcm_name(int idx)
1312 {
1313         static char names[MAX_HDMI_PINS][8];
1314         sprintf(&names[idx][0], "HDMI %d", idx);
1315         return &names[idx][0];
1316 }
1317
1318 static bool check_non_pcm_per_cvt(struct hda_codec *codec, hda_nid_t cvt_nid)
1319 {
1320         struct hda_spdif_out *spdif;
1321         bool non_pcm;
1322
1323         mutex_lock(&codec->spdif_mutex);
1324         spdif = snd_hda_spdif_out_of_nid(codec, cvt_nid);
1325         non_pcm = !!(spdif->status & IEC958_AES0_NONAUDIO);
1326         mutex_unlock(&codec->spdif_mutex);
1327         return non_pcm;
1328 }
1329
1330
1331 /*
1332  * HDMI callbacks
1333  */
1334
1335 static int generic_hdmi_playback_pcm_prepare(struct hda_pcm_stream *hinfo,
1336                                            struct hda_codec *codec,
1337                                            unsigned int stream_tag,
1338                                            unsigned int format,
1339                                            struct snd_pcm_substream *substream)
1340 {
1341         hda_nid_t cvt_nid = hinfo->nid;
1342         struct hdmi_spec *spec = codec->spec;
1343         int pin_idx = hinfo_to_pin_index(spec, hinfo);
1344         hda_nid_t pin_nid = spec->pins[pin_idx].pin_nid;
1345         int pinctl;
1346         bool non_pcm;
1347
1348         non_pcm = check_non_pcm_per_cvt(codec, cvt_nid);
1349
1350         hdmi_set_channel_count(codec, cvt_nid, substream->runtime->channels);
1351
1352         hdmi_setup_audio_infoframe(codec, pin_idx, non_pcm, substream);
1353
1354         pinctl = snd_hda_codec_read(codec, pin_nid, 0,
1355                                     AC_VERB_GET_PIN_WIDGET_CONTROL, 0);
1356         snd_hda_codec_write(codec, pin_nid, 0,
1357                             AC_VERB_SET_PIN_WIDGET_CONTROL, pinctl | PIN_OUT);
1358
1359         return hdmi_setup_stream(codec, cvt_nid, pin_nid, stream_tag, format);
1360 }
1361
1362 static int generic_hdmi_playback_pcm_cleanup(struct hda_pcm_stream *hinfo,
1363                                              struct hda_codec *codec,
1364                                              struct snd_pcm_substream *substream)
1365 {
1366         snd_hda_codec_cleanup_stream(codec, hinfo->nid);
1367         return 0;
1368 }
1369
1370 static int hdmi_pcm_close(struct hda_pcm_stream *hinfo,
1371                           struct hda_codec *codec,
1372                           struct snd_pcm_substream *substream)
1373 {
1374         struct hdmi_spec *spec = codec->spec;
1375         int cvt_idx, pin_idx;
1376         struct hdmi_spec_per_cvt *per_cvt;
1377         struct hdmi_spec_per_pin *per_pin;
1378         int pinctl;
1379
1380         if (hinfo->nid) {
1381                 cvt_idx = cvt_nid_to_cvt_index(spec, hinfo->nid);
1382                 if (snd_BUG_ON(cvt_idx < 0))
1383                         return -EINVAL;
1384                 per_cvt = &spec->cvts[cvt_idx];
1385
1386                 snd_BUG_ON(!per_cvt->assigned);
1387                 per_cvt->assigned = 0;
1388                 hinfo->nid = 0;
1389
1390                 pin_idx = hinfo_to_pin_index(spec, hinfo);
1391                 if (snd_BUG_ON(pin_idx < 0))
1392                         return -EINVAL;
1393                 per_pin = &spec->pins[pin_idx];
1394
1395                 pinctl = snd_hda_codec_read(codec, per_pin->pin_nid, 0,
1396                                             AC_VERB_GET_PIN_WIDGET_CONTROL, 0);
1397                 snd_hda_codec_write(codec, per_pin->pin_nid, 0,
1398                                     AC_VERB_SET_PIN_WIDGET_CONTROL,
1399                                     pinctl & ~PIN_OUT);
1400                 snd_hda_spdif_ctls_unassign(codec, pin_idx);
1401                 per_pin->chmap_set = false;
1402                 memset(per_pin->chmap, 0, sizeof(per_pin->chmap));
1403         }
1404
1405         return 0;
1406 }
1407
1408 static const struct hda_pcm_ops generic_ops = {
1409         .open = hdmi_pcm_open,
1410         .close = hdmi_pcm_close,
1411         .prepare = generic_hdmi_playback_pcm_prepare,
1412         .cleanup = generic_hdmi_playback_pcm_cleanup,
1413 };
1414
1415 /*
1416  * ALSA API channel-map control callbacks
1417  */
1418 static int hdmi_chmap_ctl_info(struct snd_kcontrol *kcontrol,
1419                                struct snd_ctl_elem_info *uinfo)
1420 {
1421         struct snd_pcm_chmap *info = snd_kcontrol_chip(kcontrol);
1422         struct hda_codec *codec = info->private_data;
1423         struct hdmi_spec *spec = codec->spec;
1424         uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
1425         uinfo->count = spec->channels_max;
1426         uinfo->value.integer.min = 0;
1427         uinfo->value.integer.max = SNDRV_CHMAP_LAST;
1428         return 0;
1429 }
1430
1431 static int hdmi_chmap_ctl_tlv(struct snd_kcontrol *kcontrol, int op_flag,
1432                               unsigned int size, unsigned int __user *tlv)
1433 {
1434         struct snd_pcm_chmap *info = snd_kcontrol_chip(kcontrol);
1435         struct hda_codec *codec = info->private_data;
1436         struct hdmi_spec *spec = codec->spec;
1437         const unsigned int valid_mask =
1438                 FL | FR | RL | RR | LFE | FC | RLC | RRC;
1439         unsigned int __user *dst;
1440         int chs, count = 0;
1441
1442         if (size < 8)
1443                 return -ENOMEM;
1444         if (put_user(SNDRV_CTL_TLVT_CONTAINER, tlv))
1445                 return -EFAULT;
1446         size -= 8;
1447         dst = tlv + 2;
1448         for (chs = 2; chs <= spec->channels_max; chs++) {
1449                 int i, c;
1450                 struct cea_channel_speaker_allocation *cap;
1451                 cap = channel_allocations;
1452                 for (i = 0; i < ARRAY_SIZE(channel_allocations); i++, cap++) {
1453                         int chs_bytes = chs * 4;
1454                         if (cap->channels != chs)
1455                                 continue;
1456                         if (cap->spk_mask & ~valid_mask)
1457                                 continue;
1458                         if (size < 8)
1459                                 return -ENOMEM;
1460                         if (put_user(SNDRV_CTL_TLVT_CHMAP_VAR, dst) ||
1461                             put_user(chs_bytes, dst + 1))
1462                                 return -EFAULT;
1463                         dst += 2;
1464                         size -= 8;
1465                         count += 8;
1466                         if (size < chs_bytes)
1467                                 return -ENOMEM;
1468                         size -= chs_bytes;
1469                         count += chs_bytes;
1470                         for (c = 7; c >= 0; c--) {
1471                                 int spk = cap->speakers[c];
1472                                 if (!spk)
1473                                         continue;
1474                                 if (put_user(spk_to_chmap(spk), dst))
1475                                         return -EFAULT;
1476                                 dst++;
1477                         }
1478                 }
1479         }
1480         if (put_user(count, tlv + 1))
1481                 return -EFAULT;
1482         return 0;
1483 }
1484
1485 static int hdmi_chmap_ctl_get(struct snd_kcontrol *kcontrol,
1486                               struct snd_ctl_elem_value *ucontrol)
1487 {
1488         struct snd_pcm_chmap *info = snd_kcontrol_chip(kcontrol);
1489         struct hda_codec *codec = info->private_data;
1490         struct hdmi_spec *spec = codec->spec;
1491         int pin_idx = kcontrol->private_value;
1492         struct hdmi_spec_per_pin *per_pin = &spec->pins[pin_idx];
1493         int i;
1494
1495         for (i = 0; i < ARRAY_SIZE(per_pin->chmap); i++)
1496                 ucontrol->value.integer.value[i] = per_pin->chmap[i];
1497         return 0;
1498 }
1499
1500 static int hdmi_chmap_ctl_put(struct snd_kcontrol *kcontrol,
1501                               struct snd_ctl_elem_value *ucontrol)
1502 {
1503         struct snd_pcm_chmap *info = snd_kcontrol_chip(kcontrol);
1504         struct hda_codec *codec = info->private_data;
1505         struct hdmi_spec *spec = codec->spec;
1506         int pin_idx = kcontrol->private_value;
1507         struct hdmi_spec_per_pin *per_pin = &spec->pins[pin_idx];
1508         unsigned int ctl_idx;
1509         struct snd_pcm_substream *substream;
1510         unsigned char chmap[8];
1511         int i, ca, prepared = 0;
1512
1513         ctl_idx = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id);
1514         substream = snd_pcm_chmap_substream(info, ctl_idx);
1515         if (!substream || !substream->runtime)
1516                 return -EBADFD;
1517         switch (substream->runtime->status->state) {
1518         case SNDRV_PCM_STATE_OPEN:
1519         case SNDRV_PCM_STATE_SETUP:
1520                 break;
1521         case SNDRV_PCM_STATE_PREPARED:
1522                 prepared = 1;
1523                 break;
1524         default:
1525                 return -EBUSY;
1526         }
1527         memset(chmap, 0, sizeof(chmap));
1528         for (i = 0; i < ARRAY_SIZE(chmap); i++)
1529                 chmap[i] = ucontrol->value.integer.value[i];
1530         if (!memcmp(chmap, per_pin->chmap, sizeof(chmap)))
1531                 return 0;
1532         ca = hdmi_manual_channel_allocation(ARRAY_SIZE(chmap), chmap);
1533         if (ca < 0)
1534                 return -EINVAL;
1535         per_pin->chmap_set = true;
1536         memcpy(per_pin->chmap, chmap, sizeof(chmap));
1537         if (prepared)
1538                 hdmi_setup_audio_infoframe(codec, pin_idx, per_pin->non_pcm,
1539                                            substream);
1540
1541         return 0;
1542 }
1543
1544 static int generic_hdmi_build_pcms(struct hda_codec *codec)
1545 {
1546         struct hdmi_spec *spec = codec->spec;
1547         int pin_idx;
1548
1549         for (pin_idx = 0; pin_idx < spec->num_pins; pin_idx++) {
1550                 struct hda_pcm *info;
1551                 struct hda_pcm_stream *pstr;
1552
1553                 info = &spec->pcm_rec[pin_idx];
1554                 info->name = get_hdmi_pcm_name(pin_idx);
1555                 info->pcm_type = HDA_PCM_TYPE_HDMI;
1556                 info->own_chmap = true;
1557
1558                 pstr = &info->stream[SNDRV_PCM_STREAM_PLAYBACK];
1559                 pstr->substreams = 1;
1560                 pstr->ops = generic_ops;
1561                 /* other pstr fields are set in open */
1562         }
1563
1564         codec->num_pcms = spec->num_pins;
1565         codec->pcm_info = spec->pcm_rec;
1566
1567         return 0;
1568 }
1569
1570 static int generic_hdmi_build_jack(struct hda_codec *codec, int pin_idx)
1571 {
1572         char hdmi_str[32] = "HDMI/DP";
1573         struct hdmi_spec *spec = codec->spec;
1574         struct hdmi_spec_per_pin *per_pin = &spec->pins[pin_idx];
1575         int pcmdev = spec->pcm_rec[pin_idx].device;
1576
1577         if (pcmdev > 0)
1578                 sprintf(hdmi_str + strlen(hdmi_str), ",pcm=%d", pcmdev);
1579
1580         return snd_hda_jack_add_kctl(codec, per_pin->pin_nid, hdmi_str, 0);
1581 }
1582
1583 static int generic_hdmi_build_controls(struct hda_codec *codec)
1584 {
1585         struct hdmi_spec *spec = codec->spec;
1586         int err;
1587         int pin_idx;
1588
1589         for (pin_idx = 0; pin_idx < spec->num_pins; pin_idx++) {
1590                 struct hdmi_spec_per_pin *per_pin = &spec->pins[pin_idx];
1591
1592                 err = generic_hdmi_build_jack(codec, pin_idx);
1593                 if (err < 0)
1594                         return err;
1595
1596                 err = snd_hda_create_dig_out_ctls(codec,
1597                                                   per_pin->pin_nid,
1598                                                   per_pin->mux_nids[0],
1599                                                   HDA_PCM_TYPE_HDMI);
1600                 if (err < 0)
1601                         return err;
1602                 snd_hda_spdif_ctls_unassign(codec, pin_idx);
1603
1604                 /* add control for ELD Bytes */
1605                 err = hdmi_create_eld_ctl(codec,
1606                                         pin_idx,
1607                                         spec->pcm_rec[pin_idx].device);
1608
1609                 if (err < 0)
1610                         return err;
1611
1612                 hdmi_present_sense(per_pin, 0);
1613         }
1614
1615         /* add channel maps */
1616         for (pin_idx = 0; pin_idx < spec->num_pins; pin_idx++) {
1617                 struct snd_pcm_chmap *chmap;
1618                 struct snd_kcontrol *kctl;
1619                 int i;
1620                 err = snd_pcm_add_chmap_ctls(codec->pcm_info[pin_idx].pcm,
1621                                              SNDRV_PCM_STREAM_PLAYBACK,
1622                                              NULL, 0, pin_idx, &chmap);
1623                 if (err < 0)
1624                         return err;
1625                 /* override handlers */
1626                 chmap->private_data = codec;
1627                 kctl = chmap->kctl;
1628                 for (i = 0; i < kctl->count; i++)
1629                         kctl->vd[i].access |= SNDRV_CTL_ELEM_ACCESS_WRITE;
1630                 kctl->info = hdmi_chmap_ctl_info;
1631                 kctl->get = hdmi_chmap_ctl_get;
1632                 kctl->put = hdmi_chmap_ctl_put;
1633                 kctl->tlv.c = hdmi_chmap_ctl_tlv;
1634         }
1635
1636         return 0;
1637 }
1638
1639 static int generic_hdmi_init_per_pins(struct hda_codec *codec)
1640 {
1641         struct hdmi_spec *spec = codec->spec;
1642         int pin_idx;
1643
1644         for (pin_idx = 0; pin_idx < spec->num_pins; pin_idx++) {
1645                 struct hdmi_spec_per_pin *per_pin = &spec->pins[pin_idx];
1646                 struct hdmi_eld *eld = &per_pin->sink_eld;
1647
1648                 per_pin->codec = codec;
1649                 INIT_DELAYED_WORK(&per_pin->work, hdmi_repoll_eld);
1650                 snd_hda_eld_proc_new(codec, eld, pin_idx);
1651         }
1652         return 0;
1653 }
1654
1655 static int generic_hdmi_init(struct hda_codec *codec)
1656 {
1657         struct hdmi_spec *spec = codec->spec;
1658         int pin_idx;
1659
1660         for (pin_idx = 0; pin_idx < spec->num_pins; pin_idx++) {
1661                 struct hdmi_spec_per_pin *per_pin = &spec->pins[pin_idx];
1662                 hda_nid_t pin_nid = per_pin->pin_nid;
1663
1664                 hdmi_init_pin(codec, pin_nid);
1665                 snd_hda_jack_detect_enable(codec, pin_nid, pin_nid);
1666         }
1667         return 0;
1668 }
1669
1670 static void generic_hdmi_free(struct hda_codec *codec)
1671 {
1672         struct hdmi_spec *spec = codec->spec;
1673         int pin_idx;
1674
1675         for (pin_idx = 0; pin_idx < spec->num_pins; pin_idx++) {
1676                 struct hdmi_spec_per_pin *per_pin = &spec->pins[pin_idx];
1677                 struct hdmi_eld *eld = &per_pin->sink_eld;
1678
1679                 cancel_delayed_work(&per_pin->work);
1680                 snd_hda_eld_proc_free(codec, eld);
1681         }
1682
1683         flush_workqueue(codec->bus->workq);
1684         kfree(spec);
1685 }
1686
1687 static const struct hda_codec_ops generic_hdmi_patch_ops = {
1688         .init                   = generic_hdmi_init,
1689         .free                   = generic_hdmi_free,
1690         .build_pcms             = generic_hdmi_build_pcms,
1691         .build_controls         = generic_hdmi_build_controls,
1692         .unsol_event            = hdmi_unsol_event,
1693 };
1694
1695 static int patch_generic_hdmi(struct hda_codec *codec)
1696 {
1697         struct hdmi_spec *spec;
1698
1699         spec = kzalloc(sizeof(*spec), GFP_KERNEL);
1700         if (spec == NULL)
1701                 return -ENOMEM;
1702
1703         codec->spec = spec;
1704         if (hdmi_parse_codec(codec) < 0) {
1705                 codec->spec = NULL;
1706                 kfree(spec);
1707                 return -EINVAL;
1708         }
1709         codec->patch_ops = generic_hdmi_patch_ops;
1710         generic_hdmi_init_per_pins(codec);
1711
1712         init_channel_allocations();
1713
1714         return 0;
1715 }
1716
1717 /*
1718  * Shared non-generic implementations
1719  */
1720
1721 static int simple_playback_build_pcms(struct hda_codec *codec)
1722 {
1723         struct hdmi_spec *spec = codec->spec;
1724         struct hda_pcm *info = spec->pcm_rec;
1725         unsigned int chans;
1726         struct hda_pcm_stream *pstr;
1727
1728         codec->num_pcms = 1;
1729         codec->pcm_info = info;
1730
1731         chans = get_wcaps(codec, spec->cvts[0].cvt_nid);
1732         chans = get_wcaps_channels(chans);
1733
1734         info->name = get_hdmi_pcm_name(0);
1735         info->pcm_type = HDA_PCM_TYPE_HDMI;
1736         pstr = &info->stream[SNDRV_PCM_STREAM_PLAYBACK];
1737         *pstr = spec->pcm_playback;
1738         pstr->nid = spec->cvts[0].cvt_nid;
1739         if (pstr->channels_max <= 2 && chans && chans <= 16)
1740                 pstr->channels_max = chans;
1741
1742         return 0;
1743 }
1744
1745 /* unsolicited event for jack sensing */
1746 static void simple_hdmi_unsol_event(struct hda_codec *codec,
1747                                     unsigned int res)
1748 {
1749         snd_hda_jack_set_dirty_all(codec);
1750         snd_hda_jack_report_sync(codec);
1751 }
1752
1753 /* generic_hdmi_build_jack can be used for simple_hdmi, too,
1754  * as long as spec->pins[] is set correctly
1755  */
1756 #define simple_hdmi_build_jack  generic_hdmi_build_jack
1757
1758 static int simple_playback_build_controls(struct hda_codec *codec)
1759 {
1760         struct hdmi_spec *spec = codec->spec;
1761         int err;
1762
1763         err = snd_hda_create_spdif_out_ctls(codec,
1764                                             spec->cvts[0].cvt_nid,
1765                                             spec->cvts[0].cvt_nid);
1766         if (err < 0)
1767                 return err;
1768         return simple_hdmi_build_jack(codec, 0);
1769 }
1770
1771 static int simple_playback_init(struct hda_codec *codec)
1772 {
1773         struct hdmi_spec *spec = codec->spec;
1774         hda_nid_t pin = spec->pins[0].pin_nid;
1775
1776         snd_hda_codec_write(codec, pin, 0,
1777                             AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_OUT);
1778         /* some codecs require to unmute the pin */
1779         if (get_wcaps(codec, pin) & AC_WCAP_OUT_AMP)
1780                 snd_hda_codec_write(codec, pin, 0, AC_VERB_SET_AMP_GAIN_MUTE,
1781                                     AMP_OUT_UNMUTE);
1782         snd_hda_jack_detect_enable(codec, pin, pin);
1783         return 0;
1784 }
1785
1786 static void simple_playback_free(struct hda_codec *codec)
1787 {
1788         struct hdmi_spec *spec = codec->spec;
1789
1790         kfree(spec);
1791 }
1792
1793 /*
1794  * Nvidia specific implementations
1795  */
1796
1797 #define Nv_VERB_SET_Channel_Allocation          0xF79
1798 #define Nv_VERB_SET_Info_Frame_Checksum         0xF7A
1799 #define Nv_VERB_SET_Audio_Protection_On         0xF98
1800 #define Nv_VERB_SET_Audio_Protection_Off        0xF99
1801
1802 #define nvhdmi_master_con_nid_7x        0x04
1803 #define nvhdmi_master_pin_nid_7x        0x05
1804
1805 static const hda_nid_t nvhdmi_con_nids_7x[4] = {
1806         /*front, rear, clfe, rear_surr */
1807         0x6, 0x8, 0xa, 0xc,
1808 };
1809
1810 static const struct hda_verb nvhdmi_basic_init_7x_2ch[] = {
1811         /* set audio protect on */
1812         { 0x1, Nv_VERB_SET_Audio_Protection_On, 0x1},
1813         /* enable digital output on pin widget */
1814         { 0x5, AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_OUT | 0x5 },
1815         {} /* terminator */
1816 };
1817
1818 static const struct hda_verb nvhdmi_basic_init_7x_8ch[] = {
1819         /* set audio protect on */
1820         { 0x1, Nv_VERB_SET_Audio_Protection_On, 0x1},
1821         /* enable digital output on pin widget */
1822         { 0x5, AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_OUT | 0x5 },
1823         { 0x7, AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_OUT | 0x5 },
1824         { 0x9, AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_OUT | 0x5 },
1825         { 0xb, AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_OUT | 0x5 },
1826         { 0xd, AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_OUT | 0x5 },
1827         {} /* terminator */
1828 };
1829
1830 #ifdef LIMITED_RATE_FMT_SUPPORT
1831 /* support only the safe format and rate */
1832 #define SUPPORTED_RATES         SNDRV_PCM_RATE_48000
1833 #define SUPPORTED_MAXBPS        16
1834 #define SUPPORTED_FORMATS       SNDRV_PCM_FMTBIT_S16_LE
1835 #else
1836 /* support all rates and formats */
1837 #define SUPPORTED_RATES \
1838         (SNDRV_PCM_RATE_32000 | SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_48000 |\
1839         SNDRV_PCM_RATE_88200 | SNDRV_PCM_RATE_96000 | SNDRV_PCM_RATE_176400 |\
1840          SNDRV_PCM_RATE_192000)
1841 #define SUPPORTED_MAXBPS        24
1842 #define SUPPORTED_FORMATS \
1843         (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S32_LE)
1844 #endif
1845
1846 static int nvhdmi_7x_init_2ch(struct hda_codec *codec)
1847 {
1848         snd_hda_sequence_write(codec, nvhdmi_basic_init_7x_2ch);
1849         return 0;
1850 }
1851
1852 static int nvhdmi_7x_init_8ch(struct hda_codec *codec)
1853 {
1854         snd_hda_sequence_write(codec, nvhdmi_basic_init_7x_8ch);
1855         return 0;
1856 }
1857
1858 static unsigned int channels_2_6_8[] = {
1859         2, 6, 8
1860 };
1861
1862 static unsigned int channels_2_8[] = {
1863         2, 8
1864 };
1865
1866 static struct snd_pcm_hw_constraint_list hw_constraints_2_6_8_channels = {
1867         .count = ARRAY_SIZE(channels_2_6_8),
1868         .list = channels_2_6_8,
1869         .mask = 0,
1870 };
1871
1872 static struct snd_pcm_hw_constraint_list hw_constraints_2_8_channels = {
1873         .count = ARRAY_SIZE(channels_2_8),
1874         .list = channels_2_8,
1875         .mask = 0,
1876 };
1877
1878 static int simple_playback_pcm_open(struct hda_pcm_stream *hinfo,
1879                                     struct hda_codec *codec,
1880                                     struct snd_pcm_substream *substream)
1881 {
1882         struct hdmi_spec *spec = codec->spec;
1883         struct snd_pcm_hw_constraint_list *hw_constraints_channels = NULL;
1884
1885         switch (codec->preset->id) {
1886         case 0x10de0002:
1887         case 0x10de0003:
1888         case 0x10de0005:
1889         case 0x10de0006:
1890                 hw_constraints_channels = &hw_constraints_2_8_channels;
1891                 break;
1892         case 0x10de0007:
1893                 hw_constraints_channels = &hw_constraints_2_6_8_channels;
1894                 break;
1895         default:
1896                 break;
1897         }
1898
1899         if (hw_constraints_channels != NULL) {
1900                 snd_pcm_hw_constraint_list(substream->runtime, 0,
1901                                 SNDRV_PCM_HW_PARAM_CHANNELS,
1902                                 hw_constraints_channels);
1903         } else {
1904                 snd_pcm_hw_constraint_step(substream->runtime, 0,
1905                                            SNDRV_PCM_HW_PARAM_CHANNELS, 2);
1906         }
1907
1908         return snd_hda_multi_out_dig_open(codec, &spec->multiout);
1909 }
1910
1911 static int simple_playback_pcm_close(struct hda_pcm_stream *hinfo,
1912                                      struct hda_codec *codec,
1913                                      struct snd_pcm_substream *substream)
1914 {
1915         struct hdmi_spec *spec = codec->spec;
1916         return snd_hda_multi_out_dig_close(codec, &spec->multiout);
1917 }
1918
1919 static int simple_playback_pcm_prepare(struct hda_pcm_stream *hinfo,
1920                                        struct hda_codec *codec,
1921                                        unsigned int stream_tag,
1922                                        unsigned int format,
1923                                        struct snd_pcm_substream *substream)
1924 {
1925         struct hdmi_spec *spec = codec->spec;
1926         return snd_hda_multi_out_dig_prepare(codec, &spec->multiout,
1927                                              stream_tag, format, substream);
1928 }
1929
1930 static const struct hda_pcm_stream simple_pcm_playback = {
1931         .substreams = 1,
1932         .channels_min = 2,
1933         .channels_max = 2,
1934         .ops = {
1935                 .open = simple_playback_pcm_open,
1936                 .close = simple_playback_pcm_close,
1937                 .prepare = simple_playback_pcm_prepare
1938         },
1939 };
1940
1941 static const struct hda_codec_ops simple_hdmi_patch_ops = {
1942         .build_controls = simple_playback_build_controls,
1943         .build_pcms = simple_playback_build_pcms,
1944         .init = simple_playback_init,
1945         .free = simple_playback_free,
1946         .unsol_event = simple_hdmi_unsol_event,
1947 };
1948
1949 static int patch_simple_hdmi(struct hda_codec *codec,
1950                              hda_nid_t cvt_nid, hda_nid_t pin_nid)
1951 {
1952         struct hdmi_spec *spec;
1953
1954         spec = kzalloc(sizeof(*spec), GFP_KERNEL);
1955         if (!spec)
1956                 return -ENOMEM;
1957
1958         codec->spec = spec;
1959
1960         spec->multiout.num_dacs = 0;  /* no analog */
1961         spec->multiout.max_channels = 2;
1962         spec->multiout.dig_out_nid = cvt_nid;
1963         spec->num_cvts = 1;
1964         spec->num_pins = 1;
1965         spec->cvts[0].cvt_nid = cvt_nid;
1966         spec->pins[0].pin_nid = pin_nid;
1967         spec->pcm_playback = simple_pcm_playback;
1968
1969         codec->patch_ops = simple_hdmi_patch_ops;
1970
1971         return 0;
1972 }
1973
1974 static void nvhdmi_8ch_7x_set_info_frame_parameters(struct hda_codec *codec,
1975                                                     int channels)
1976 {
1977         unsigned int chanmask;
1978         int chan = channels ? (channels - 1) : 1;
1979
1980         switch (channels) {
1981         default:
1982         case 0:
1983         case 2:
1984                 chanmask = 0x00;
1985                 break;
1986         case 4:
1987                 chanmask = 0x08;
1988                 break;
1989         case 6:
1990                 chanmask = 0x0b;
1991                 break;
1992         case 8:
1993                 chanmask = 0x13;
1994                 break;
1995         }
1996
1997         /* Set the audio infoframe channel allocation and checksum fields.  The
1998          * channel count is computed implicitly by the hardware. */
1999         snd_hda_codec_write(codec, 0x1, 0,
2000                         Nv_VERB_SET_Channel_Allocation, chanmask);
2001
2002         snd_hda_codec_write(codec, 0x1, 0,
2003                         Nv_VERB_SET_Info_Frame_Checksum,
2004                         (0x71 - chan - chanmask));
2005 }
2006
2007 static int nvhdmi_8ch_7x_pcm_close(struct hda_pcm_stream *hinfo,
2008                                    struct hda_codec *codec,
2009                                    struct snd_pcm_substream *substream)
2010 {
2011         struct hdmi_spec *spec = codec->spec;
2012         int i;
2013
2014         snd_hda_codec_write(codec, nvhdmi_master_con_nid_7x,
2015                         0, AC_VERB_SET_CHANNEL_STREAMID, 0);
2016         for (i = 0; i < 4; i++) {
2017                 /* set the stream id */
2018                 snd_hda_codec_write(codec, nvhdmi_con_nids_7x[i], 0,
2019                                 AC_VERB_SET_CHANNEL_STREAMID, 0);
2020                 /* set the stream format */
2021                 snd_hda_codec_write(codec, nvhdmi_con_nids_7x[i], 0,
2022                                 AC_VERB_SET_STREAM_FORMAT, 0);
2023         }
2024
2025         /* The audio hardware sends a channel count of 0x7 (8ch) when all the
2026          * streams are disabled. */
2027         nvhdmi_8ch_7x_set_info_frame_parameters(codec, 8);
2028
2029         return snd_hda_multi_out_dig_close(codec, &spec->multiout);
2030 }
2031
2032 static int nvhdmi_8ch_7x_pcm_prepare(struct hda_pcm_stream *hinfo,
2033                                      struct hda_codec *codec,
2034                                      unsigned int stream_tag,
2035                                      unsigned int format,
2036                                      struct snd_pcm_substream *substream)
2037 {
2038         int chs;
2039         unsigned int dataDCC2, channel_id;
2040         int i;
2041         struct hdmi_spec *spec = codec->spec;
2042         struct hda_spdif_out *spdif;
2043
2044         mutex_lock(&codec->spdif_mutex);
2045         spdif = snd_hda_spdif_out_of_nid(codec, spec->cvts[0].cvt_nid);
2046
2047         chs = substream->runtime->channels;
2048
2049         dataDCC2 = 0x2;
2050
2051         /* turn off SPDIF once; otherwise the IEC958 bits won't be updated */
2052         if (codec->spdif_status_reset && (spdif->ctls & AC_DIG1_ENABLE))
2053                 snd_hda_codec_write(codec,
2054                                 nvhdmi_master_con_nid_7x,
2055                                 0,
2056                                 AC_VERB_SET_DIGI_CONVERT_1,
2057                                 spdif->ctls & ~AC_DIG1_ENABLE & 0xff);
2058
2059         /* set the stream id */
2060         snd_hda_codec_write(codec, nvhdmi_master_con_nid_7x, 0,
2061                         AC_VERB_SET_CHANNEL_STREAMID, (stream_tag << 4) | 0x0);
2062
2063         /* set the stream format */
2064         snd_hda_codec_write(codec, nvhdmi_master_con_nid_7x, 0,
2065                         AC_VERB_SET_STREAM_FORMAT, format);
2066
2067         /* turn on again (if needed) */
2068         /* enable and set the channel status audio/data flag */
2069         if (codec->spdif_status_reset && (spdif->ctls & AC_DIG1_ENABLE)) {
2070                 snd_hda_codec_write(codec,
2071                                 nvhdmi_master_con_nid_7x,
2072                                 0,
2073                                 AC_VERB_SET_DIGI_CONVERT_1,
2074                                 spdif->ctls & 0xff);
2075                 snd_hda_codec_write(codec,
2076                                 nvhdmi_master_con_nid_7x,
2077                                 0,
2078                                 AC_VERB_SET_DIGI_CONVERT_2, dataDCC2);
2079         }
2080
2081         for (i = 0; i < 4; i++) {
2082                 if (chs == 2)
2083                         channel_id = 0;
2084                 else
2085                         channel_id = i * 2;
2086
2087                 /* turn off SPDIF once;
2088                  *otherwise the IEC958 bits won't be updated
2089                  */
2090                 if (codec->spdif_status_reset &&
2091                 (spdif->ctls & AC_DIG1_ENABLE))
2092                         snd_hda_codec_write(codec,
2093                                 nvhdmi_con_nids_7x[i],
2094                                 0,
2095                                 AC_VERB_SET_DIGI_CONVERT_1,
2096                                 spdif->ctls & ~AC_DIG1_ENABLE & 0xff);
2097                 /* set the stream id */
2098                 snd_hda_codec_write(codec,
2099                                 nvhdmi_con_nids_7x[i],
2100                                 0,
2101                                 AC_VERB_SET_CHANNEL_STREAMID,
2102                                 (stream_tag << 4) | channel_id);
2103                 /* set the stream format */
2104                 snd_hda_codec_write(codec,
2105                                 nvhdmi_con_nids_7x[i],
2106                                 0,
2107                                 AC_VERB_SET_STREAM_FORMAT,
2108                                 format);
2109                 /* turn on again (if needed) */
2110                 /* enable and set the channel status audio/data flag */
2111                 if (codec->spdif_status_reset &&
2112                 (spdif->ctls & AC_DIG1_ENABLE)) {
2113                         snd_hda_codec_write(codec,
2114                                         nvhdmi_con_nids_7x[i],
2115                                         0,
2116                                         AC_VERB_SET_DIGI_CONVERT_1,
2117                                         spdif->ctls & 0xff);
2118                         snd_hda_codec_write(codec,
2119                                         nvhdmi_con_nids_7x[i],
2120                                         0,
2121                                         AC_VERB_SET_DIGI_CONVERT_2, dataDCC2);
2122                 }
2123         }
2124
2125         nvhdmi_8ch_7x_set_info_frame_parameters(codec, chs);
2126
2127         mutex_unlock(&codec->spdif_mutex);
2128         return 0;
2129 }
2130
2131 static const struct hda_pcm_stream nvhdmi_pcm_playback_8ch_7x = {
2132         .substreams = 1,
2133         .channels_min = 2,
2134         .channels_max = 8,
2135         .nid = nvhdmi_master_con_nid_7x,
2136         .rates = SUPPORTED_RATES,
2137         .maxbps = SUPPORTED_MAXBPS,
2138         .formats = SUPPORTED_FORMATS,
2139         .ops = {
2140                 .open = simple_playback_pcm_open,
2141                 .close = nvhdmi_8ch_7x_pcm_close,
2142                 .prepare = nvhdmi_8ch_7x_pcm_prepare
2143         },
2144 };
2145
2146 static int patch_nvhdmi_2ch(struct hda_codec *codec)
2147 {
2148         struct hdmi_spec *spec;
2149         int err = patch_simple_hdmi(codec, nvhdmi_master_con_nid_7x,
2150                                     nvhdmi_master_pin_nid_7x);
2151         if (err < 0)
2152                 return err;
2153
2154         codec->patch_ops.init = nvhdmi_7x_init_2ch;
2155         /* override the PCM rates, etc, as the codec doesn't give full list */
2156         spec = codec->spec;
2157         spec->pcm_playback.rates = SUPPORTED_RATES;
2158         spec->pcm_playback.maxbps = SUPPORTED_MAXBPS;
2159         spec->pcm_playback.formats = SUPPORTED_FORMATS;
2160         return 0;
2161 }
2162
2163 static int nvhdmi_7x_8ch_build_pcms(struct hda_codec *codec)
2164 {
2165         struct hdmi_spec *spec = codec->spec;
2166         int err = simple_playback_build_pcms(codec);
2167         spec->pcm_rec[0].own_chmap = true;
2168         return err;
2169 }
2170
2171 static int nvhdmi_7x_8ch_build_controls(struct hda_codec *codec)
2172 {
2173         struct hdmi_spec *spec = codec->spec;
2174         struct snd_pcm_chmap *chmap;
2175         int err;
2176
2177         err = simple_playback_build_controls(codec);
2178         if (err < 0)
2179                 return err;
2180
2181         /* add channel maps */
2182         err = snd_pcm_add_chmap_ctls(spec->pcm_rec[0].pcm,
2183                                      SNDRV_PCM_STREAM_PLAYBACK,
2184                                      snd_pcm_alt_chmaps, 8, 0, &chmap);
2185         if (err < 0)
2186                 return err;
2187         switch (codec->preset->id) {
2188         case 0x10de0002:
2189         case 0x10de0003:
2190         case 0x10de0005:
2191         case 0x10de0006:
2192                 chmap->channel_mask = (1U << 2) | (1U << 8);
2193                 break;
2194         case 0x10de0007:
2195                 chmap->channel_mask = (1U << 2) | (1U << 6) | (1U << 8);
2196         }
2197         return 0;
2198 }
2199
2200 static int patch_nvhdmi_8ch_7x(struct hda_codec *codec)
2201 {
2202         struct hdmi_spec *spec;
2203         int err = patch_nvhdmi_2ch(codec);
2204         if (err < 0)
2205                 return err;
2206         spec = codec->spec;
2207         spec->multiout.max_channels = 8;
2208         spec->pcm_playback = nvhdmi_pcm_playback_8ch_7x;
2209         codec->patch_ops.init = nvhdmi_7x_init_8ch;
2210         codec->patch_ops.build_pcms = nvhdmi_7x_8ch_build_pcms;
2211         codec->patch_ops.build_controls = nvhdmi_7x_8ch_build_controls;
2212
2213         /* Initialize the audio infoframe channel mask and checksum to something
2214          * valid */
2215         nvhdmi_8ch_7x_set_info_frame_parameters(codec, 8);
2216
2217         return 0;
2218 }
2219
2220 /*
2221  * ATI-specific implementations
2222  *
2223  * FIXME: we may omit the whole this and use the generic code once after
2224  * it's confirmed to work.
2225  */
2226
2227 #define ATIHDMI_CVT_NID         0x02    /* audio converter */
2228 #define ATIHDMI_PIN_NID         0x03    /* HDMI output pin */
2229
2230 static int atihdmi_playback_pcm_prepare(struct hda_pcm_stream *hinfo,
2231                                         struct hda_codec *codec,
2232                                         unsigned int stream_tag,
2233                                         unsigned int format,
2234                                         struct snd_pcm_substream *substream)
2235 {
2236         struct hdmi_spec *spec = codec->spec;
2237         int chans = substream->runtime->channels;
2238         int i, err;
2239
2240         err = simple_playback_pcm_prepare(hinfo, codec, stream_tag, format,
2241                                           substream);
2242         if (err < 0)
2243                 return err;
2244         snd_hda_codec_write(codec, spec->cvts[0].cvt_nid, 0,
2245                             AC_VERB_SET_CVT_CHAN_COUNT, chans - 1);
2246         /* FIXME: XXX */
2247         for (i = 0; i < chans; i++) {
2248                 snd_hda_codec_write(codec, spec->cvts[0].cvt_nid, 0,
2249                                     AC_VERB_SET_HDMI_CHAN_SLOT,
2250                                     (i << 4) | i);
2251         }
2252         return 0;
2253 }
2254
2255 static int patch_atihdmi(struct hda_codec *codec)
2256 {
2257         struct hdmi_spec *spec;
2258         int err = patch_simple_hdmi(codec, ATIHDMI_CVT_NID, ATIHDMI_PIN_NID);
2259         if (err < 0)
2260                 return err;
2261         spec = codec->spec;
2262         spec->pcm_playback.ops.prepare = atihdmi_playback_pcm_prepare;
2263         return 0;
2264 }
2265
2266 /* VIA HDMI Implementation */
2267 #define VIAHDMI_CVT_NID 0x02    /* audio converter1 */
2268 #define VIAHDMI_PIN_NID 0x03    /* HDMI output pin1 */
2269
2270 static int patch_via_hdmi(struct hda_codec *codec)
2271 {
2272         return patch_simple_hdmi(codec, VIAHDMI_CVT_NID, VIAHDMI_PIN_NID);
2273 }
2274
2275 /*
2276  * patch entries
2277  */
2278 static const struct hda_codec_preset snd_hda_preset_hdmi[] = {
2279 { .id = 0x1002793c, .name = "RS600 HDMI",       .patch = patch_atihdmi },
2280 { .id = 0x10027919, .name = "RS600 HDMI",       .patch = patch_atihdmi },
2281 { .id = 0x1002791a, .name = "RS690/780 HDMI",   .patch = patch_atihdmi },
2282 { .id = 0x1002aa01, .name = "R6xx HDMI",        .patch = patch_generic_hdmi },
2283 { .id = 0x10951390, .name = "SiI1390 HDMI",     .patch = patch_generic_hdmi },
2284 { .id = 0x10951392, .name = "SiI1392 HDMI",     .patch = patch_generic_hdmi },
2285 { .id = 0x17e80047, .name = "Chrontel HDMI",    .patch = patch_generic_hdmi },
2286 { .id = 0x10de0002, .name = "MCP77/78 HDMI",    .patch = patch_nvhdmi_8ch_7x },
2287 { .id = 0x10de0003, .name = "MCP77/78 HDMI",    .patch = patch_nvhdmi_8ch_7x },
2288 { .id = 0x10de0005, .name = "MCP77/78 HDMI",    .patch = patch_nvhdmi_8ch_7x },
2289 { .id = 0x10de0006, .name = "MCP77/78 HDMI",    .patch = patch_nvhdmi_8ch_7x },
2290 { .id = 0x10de0007, .name = "MCP79/7A HDMI",    .patch = patch_nvhdmi_8ch_7x },
2291 { .id = 0x10de000a, .name = "GPU 0a HDMI/DP",   .patch = patch_generic_hdmi },
2292 { .id = 0x10de000b, .name = "GPU 0b HDMI/DP",   .patch = patch_generic_hdmi },
2293 { .id = 0x10de000c, .name = "MCP89 HDMI",       .patch = patch_generic_hdmi },
2294 { .id = 0x10de000d, .name = "GPU 0d HDMI/DP",   .patch = patch_generic_hdmi },
2295 { .id = 0x10de0010, .name = "GPU 10 HDMI/DP",   .patch = patch_generic_hdmi },
2296 { .id = 0x10de0011, .name = "GPU 11 HDMI/DP",   .patch = patch_generic_hdmi },
2297 { .id = 0x10de0012, .name = "GPU 12 HDMI/DP",   .patch = patch_generic_hdmi },
2298 { .id = 0x10de0013, .name = "GPU 13 HDMI/DP",   .patch = patch_generic_hdmi },
2299 { .id = 0x10de0014, .name = "GPU 14 HDMI/DP",   .patch = patch_generic_hdmi },
2300 { .id = 0x10de0015, .name = "GPU 15 HDMI/DP",   .patch = patch_generic_hdmi },
2301 { .id = 0x10de0016, .name = "GPU 16 HDMI/DP",   .patch = patch_generic_hdmi },
2302 /* 17 is known to be absent */
2303 { .id = 0x10de0018, .name = "GPU 18 HDMI/DP",   .patch = patch_generic_hdmi },
2304 { .id = 0x10de0019, .name = "GPU 19 HDMI/DP",   .patch = patch_generic_hdmi },
2305 { .id = 0x10de001a, .name = "GPU 1a HDMI/DP",   .patch = patch_generic_hdmi },
2306 { .id = 0x10de001b, .name = "GPU 1b HDMI/DP",   .patch = patch_generic_hdmi },
2307 { .id = 0x10de001c, .name = "GPU 1c HDMI/DP",   .patch = patch_generic_hdmi },
2308 { .id = 0x10de0040, .name = "GPU 40 HDMI/DP",   .patch = patch_generic_hdmi },
2309 { .id = 0x10de0041, .name = "GPU 41 HDMI/DP",   .patch = patch_generic_hdmi },
2310 { .id = 0x10de0042, .name = "GPU 42 HDMI/DP",   .patch = patch_generic_hdmi },
2311 { .id = 0x10de0043, .name = "GPU 43 HDMI/DP",   .patch = patch_generic_hdmi },
2312 { .id = 0x10de0044, .name = "GPU 44 HDMI/DP",   .patch = patch_generic_hdmi },
2313 { .id = 0x10de0051, .name = "GPU 51 HDMI/DP",   .patch = patch_generic_hdmi },
2314 { .id = 0x10de0067, .name = "MCP67 HDMI",       .patch = patch_nvhdmi_2ch },
2315 { .id = 0x10de8001, .name = "MCP73 HDMI",       .patch = patch_nvhdmi_2ch },
2316 { .id = 0x11069f80, .name = "VX900 HDMI/DP",    .patch = patch_via_hdmi },
2317 { .id = 0x11069f81, .name = "VX900 HDMI/DP",    .patch = patch_via_hdmi },
2318 { .id = 0x11069f84, .name = "VX11 HDMI/DP",     .patch = patch_generic_hdmi },
2319 { .id = 0x11069f85, .name = "VX11 HDMI/DP",     .patch = patch_generic_hdmi },
2320 { .id = 0x80860054, .name = "IbexPeak HDMI",    .patch = patch_generic_hdmi },
2321 { .id = 0x80862801, .name = "Bearlake HDMI",    .patch = patch_generic_hdmi },
2322 { .id = 0x80862802, .name = "Cantiga HDMI",     .patch = patch_generic_hdmi },
2323 { .id = 0x80862803, .name = "Eaglelake HDMI",   .patch = patch_generic_hdmi },
2324 { .id = 0x80862804, .name = "IbexPeak HDMI",    .patch = patch_generic_hdmi },
2325 { .id = 0x80862805, .name = "CougarPoint HDMI", .patch = patch_generic_hdmi },
2326 { .id = 0x80862806, .name = "PantherPoint HDMI", .patch = patch_generic_hdmi },
2327 { .id = 0x80862807, .name = "Haswell HDMI",     .patch = patch_generic_hdmi },
2328 { .id = 0x80862880, .name = "CedarTrail HDMI",  .patch = patch_generic_hdmi },
2329 { .id = 0x808629fb, .name = "Crestline HDMI",   .patch = patch_generic_hdmi },
2330 {} /* terminator */
2331 };
2332
2333 MODULE_ALIAS("snd-hda-codec-id:1002793c");
2334 MODULE_ALIAS("snd-hda-codec-id:10027919");
2335 MODULE_ALIAS("snd-hda-codec-id:1002791a");
2336 MODULE_ALIAS("snd-hda-codec-id:1002aa01");
2337 MODULE_ALIAS("snd-hda-codec-id:10951390");
2338 MODULE_ALIAS("snd-hda-codec-id:10951392");
2339 MODULE_ALIAS("snd-hda-codec-id:10de0002");
2340 MODULE_ALIAS("snd-hda-codec-id:10de0003");
2341 MODULE_ALIAS("snd-hda-codec-id:10de0005");
2342 MODULE_ALIAS("snd-hda-codec-id:10de0006");
2343 MODULE_ALIAS("snd-hda-codec-id:10de0007");
2344 MODULE_ALIAS("snd-hda-codec-id:10de000a");
2345 MODULE_ALIAS("snd-hda-codec-id:10de000b");
2346 MODULE_ALIAS("snd-hda-codec-id:10de000c");
2347 MODULE_ALIAS("snd-hda-codec-id:10de000d");
2348 MODULE_ALIAS("snd-hda-codec-id:10de0010");
2349 MODULE_ALIAS("snd-hda-codec-id:10de0011");
2350 MODULE_ALIAS("snd-hda-codec-id:10de0012");
2351 MODULE_ALIAS("snd-hda-codec-id:10de0013");
2352 MODULE_ALIAS("snd-hda-codec-id:10de0014");
2353 MODULE_ALIAS("snd-hda-codec-id:10de0015");
2354 MODULE_ALIAS("snd-hda-codec-id:10de0016");
2355 MODULE_ALIAS("snd-hda-codec-id:10de0018");
2356 MODULE_ALIAS("snd-hda-codec-id:10de0019");
2357 MODULE_ALIAS("snd-hda-codec-id:10de001a");
2358 MODULE_ALIAS("snd-hda-codec-id:10de001b");
2359 MODULE_ALIAS("snd-hda-codec-id:10de001c");
2360 MODULE_ALIAS("snd-hda-codec-id:10de0040");
2361 MODULE_ALIAS("snd-hda-codec-id:10de0041");
2362 MODULE_ALIAS("snd-hda-codec-id:10de0042");
2363 MODULE_ALIAS("snd-hda-codec-id:10de0043");
2364 MODULE_ALIAS("snd-hda-codec-id:10de0044");
2365 MODULE_ALIAS("snd-hda-codec-id:10de0051");
2366 MODULE_ALIAS("snd-hda-codec-id:10de0067");
2367 MODULE_ALIAS("snd-hda-codec-id:10de8001");
2368 MODULE_ALIAS("snd-hda-codec-id:11069f80");
2369 MODULE_ALIAS("snd-hda-codec-id:11069f81");
2370 MODULE_ALIAS("snd-hda-codec-id:11069f84");
2371 MODULE_ALIAS("snd-hda-codec-id:11069f85");
2372 MODULE_ALIAS("snd-hda-codec-id:17e80047");
2373 MODULE_ALIAS("snd-hda-codec-id:80860054");
2374 MODULE_ALIAS("snd-hda-codec-id:80862801");
2375 MODULE_ALIAS("snd-hda-codec-id:80862802");
2376 MODULE_ALIAS("snd-hda-codec-id:80862803");
2377 MODULE_ALIAS("snd-hda-codec-id:80862804");
2378 MODULE_ALIAS("snd-hda-codec-id:80862805");
2379 MODULE_ALIAS("snd-hda-codec-id:80862806");
2380 MODULE_ALIAS("snd-hda-codec-id:80862807");
2381 MODULE_ALIAS("snd-hda-codec-id:80862880");
2382 MODULE_ALIAS("snd-hda-codec-id:808629fb");
2383
2384 MODULE_LICENSE("GPL");
2385 MODULE_DESCRIPTION("HDMI HD-audio codec");
2386 MODULE_ALIAS("snd-hda-codec-intelhdmi");
2387 MODULE_ALIAS("snd-hda-codec-nvhdmi");
2388 MODULE_ALIAS("snd-hda-codec-atihdmi");
2389
2390 static struct hda_codec_preset_list intel_list = {
2391         .preset = snd_hda_preset_hdmi,
2392         .owner = THIS_MODULE,
2393 };
2394
2395 static int __init patch_hdmi_init(void)
2396 {
2397         return snd_hda_add_codec_preset(&intel_list);
2398 }
2399
2400 static void __exit patch_hdmi_exit(void)
2401 {
2402         snd_hda_delete_codec_preset(&intel_list);
2403 }
2404
2405 module_init(patch_hdmi_init)
2406 module_exit(patch_hdmi_exit)