sound/pci/hda/patch_hdmi.c

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