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 "hda_codec.h"
  38 #include "hda_local.h"
  39 #include "hda_jack.h"
  40
  41 static bool static_hdmi_pcm;
  42 module_param(static_hdmi_pcm, bool, 0644);
  43 MODULE_PARM_DESC(static_hdmi_pcm, "Don't restrict PCM parameters per ELD info");
  44
  45 /*
  46  * The HDMI/DisplayPort configuration can be highly dynamic. A graphics device
  47  * could support N independent pipes, each of them can be connected to one or
  48  * more ports (DVI, HDMI or DisplayPort).
  49  *
  50  * The HDA correspondence of pipes/ports are converter/pin nodes.
  51  */
  52 #define MAX_HDMI_CVTS   8
  53 #define MAX_HDMI_PINS   8
  54
  55 struct hdmi_spec_per_cvt {
  56         hda_nid_t cvt_nid;
  57         int assigned;
  58         unsigned int channels_min;
  59         unsigned int channels_max;
  60         u32 rates;
  61         u64 formats;
  62         unsigned int maxbps;
  63 };
  64
  65 struct hdmi_spec_per_pin {
  66         hda_nid_t pin_nid;
  67         int num_mux_nids;
  68         hda_nid_t mux_nids[HDA_MAX_CONNECTIONS];
  69
  70         struct hda_codec *codec;
  71         struct hdmi_eld sink_eld;
  72         struct delayed_work work;
  73         int repoll_count;
  74 };
  75
  76 struct hdmi_spec {
  77         int num_cvts;
  78         struct hdmi_spec_per_cvt cvts[MAX_HDMI_CVTS];
  79
  80         int num_pins;
  81         struct hdmi_spec_per_pin pins[MAX_HDMI_PINS];
  82         struct hda_pcm pcm_rec[MAX_HDMI_PINS];
  83
  84         /*
  85          * Non-generic ATI/NVIDIA specific
  86          */
  87         struct hda_multi_out multiout;
  88         struct hda_pcm_stream pcm_playback;
  89 };
  90
  91
  92 struct hdmi_audio_infoframe {
  93         u8 type; /* 0x84 */
  94         u8 ver;  /* 0x01 */
  95         u8 len;  /* 0x0a */
  96
  97         u8 checksum;
  98
  99         u8 CC02_CT47;   /* CC in bits 0:2, CT in 4:7 */
 100         u8 SS01_SF24;
 101         u8 CXT04;
 102         u8 CA;
 103         u8 LFEPBL01_LSV36_DM_INH7;
 104 };
 105
 106 struct dp_audio_infoframe {
 107         u8 type; /* 0x84 */
 108         u8 len;  /* 0x1b */
 109         u8 ver;  /* 0x11 << 2 */
 110
 111         u8 CC02_CT47;   /* match with HDMI infoframe from this on */
 112         u8 SS01_SF24;
 113         u8 CXT04;
 114         u8 CA;
 115         u8 LFEPBL01_LSV36_DM_INH7;
 116 };
 117
 118 union audio_infoframe {
 119         struct hdmi_audio_infoframe hdmi;
 120         struct dp_audio_infoframe dp;
 121         u8 bytes[0];
 122 };
 123
 124 /*
 125  * CEA speaker placement:
 126  *
 127  *        FLH       FCH        FRH
 128  *  FLW    FL  FLC   FC   FRC   FR   FRW
 129  *
 130  *                                  LFE
 131  *                     TC
 132  *
 133  *          RL  RLC   RC   RRC   RR
 134  *
 135  * The Left/Right Surround channel _notions_ LS/RS in SMPTE 320M corresponds to
 136  * CEA RL/RR; The SMPTE channel _assignment_ C/LFE is swapped to CEA LFE/FC.
 137  */
 138 enum cea_speaker_placement {
 139         FL  = (1 <<  0),        /* Front Left           */
 140         FC  = (1 <<  1),        /* Front Center         */
 141         FR  = (1 <<  2),        /* Front Right          */
 142         FLC = (1 <<  3),        /* Front Left Center    */
 143         FRC = (1 <<  4),        /* Front Right Center   */
 144         RL  = (1 <<  5),        /* Rear Left            */
 145         RC  = (1 <<  6),        /* Rear Center          */
 146         RR  = (1 <<  7),        /* Rear Right           */
 147         RLC = (1 <<  8),        /* Rear Left Center     */
 148         RRC = (1 <<  9),        /* Rear Right Center    */
 149         LFE = (1 << 10),        /* Low Frequency Effect */
 150         FLW = (1 << 11),        /* Front Left Wide      */
 151         FRW = (1 << 12),        /* Front Right Wide     */
 152         FLH = (1 << 13),        /* Front Left High      */
 153         FCH = (1 << 14),        /* Front Center High    */
 154         FRH = (1 << 15),        /* Front Right High     */
 155         TC  = (1 << 16),        /* Top Center           */
 156 };
 157
 158 /*
 159  * ELD SA bits in the CEA Speaker Allocation data block
 160  */
 161 static int eld_speaker_allocation_bits[] = {
 162         [0] = FL | FR,
 163         [1] = LFE,
 164         [2] = FC,
 165         [3] = RL | RR,
 166         [4] = RC,
 167         [5] = FLC | FRC,
 168         [6] = RLC | RRC,
 169         /* the following are not defined in ELD yet */
 170         [7] = FLW | FRW,
 171         [8] = FLH | FRH,
 172         [9] = TC,
 173         [10] = FCH,
 174 };
 175
 176 struct cea_channel_speaker_allocation {
 177         int ca_index;
 178         int speakers[8];
 179
 180         /* derived values, just for convenience */
 181         int channels;
 182         int spk_mask;
 183 };
 184
 185 /*
 186  * ALSA sequence is:
 187  *
 188  *       surround40   surround41   surround50   surround51   surround71
 189  * ch0   front left   =            =            =            =
 190  * ch1   front right  =            =            =            =
 191  * ch2   rear left    =            =            =            =
 192  * ch3   rear right   =            =            =            =
 193  * ch4                LFE          center       center       center
 194  * ch5                                          LFE          LFE
 195  * ch6                                                       side left
 196  * ch7                                                       side right
 197  *
 198  * surround71 = {FL, FR, RLC, RRC, FC, LFE, RL, RR}
 199  */
 200 static int hdmi_channel_mapping[0x32][8] = {
 201         /* stereo */
 202         [0x00] = { 0x00, 0x11, 0xf2, 0xf3, 0xf4, 0xf5, 0xf6, 0xf7 },
 203         /* 2.1 */
 204         [0x01] = { 0x00, 0x11, 0x22, 0xf3, 0xf4, 0xf5, 0xf6, 0xf7 },
 205         /* Dolby Surround */
 206         [0x02] = { 0x00, 0x11, 0x23, 0xf2, 0xf4, 0xf5, 0xf6, 0xf7 },
 207         /* surround40 */
 208         [0x08] = { 0x00, 0x11, 0x24, 0x35, 0xf3, 0xf2, 0xf6, 0xf7 },
 209         /* 4ch */
 210         [0x03] = { 0x00, 0x11, 0x23, 0x32, 0x44, 0xf5, 0xf6, 0xf7 },
 211         /* surround41 */
 212         [0x09] = { 0x00, 0x11, 0x24, 0x35, 0x42, 0xf3, 0xf6, 0xf7 },
 213         /* surround50 */
 214         [0x0a] = { 0x00, 0x11, 0x24, 0x35, 0x43, 0xf2, 0xf6, 0xf7 },
 215         /* surround51 */
 216         [0x0b] = { 0x00, 0x11, 0x24, 0x35, 0x43, 0x52, 0xf6, 0xf7 },
 217         /* 7.1 */
 218         [0x13] = { 0x00, 0x11, 0x26, 0x37, 0x43, 0x52, 0x64, 0x75 },
 219 };
 220
 221 /*
 222  * This is an ordered list!
 223  *
 224  * The preceding ones have better chances to be selected by
 225  * hdmi_channel_allocation().
 226  */
 227 static struct cea_channel_speaker_allocation channel_allocations[] = {
 228 /*                        channel:   7     6    5    4    3     2    1    0  */
 229 { .ca_index = 0x00,  .speakers = {   0,    0,   0,   0,   0,    0,  FR,  FL } },
 230                                  /* 2.1 */
 231 { .ca_index = 0x01,  .speakers = {   0,    0,   0,   0,   0,  LFE,  FR,  FL } },
 232                                  /* Dolby Surround */
 233 { .ca_index = 0x02,  .speakers = {   0,    0,   0,   0,  FC,    0,  FR,  FL } },
 234                                  /* surround40 */
 235 { .ca_index = 0x08,  .speakers = {   0,    0,  RR,  RL,   0,    0,  FR,  FL } },
 236                                  /* surround41 */
 237 { .ca_index = 0x09,  .speakers = {   0,    0,  RR,  RL,   0,  LFE,  FR,  FL } },
 238                                  /* surround50 */
 239 { .ca_index = 0x0a,  .speakers = {   0,    0,  RR,  RL,  FC,    0,  FR,  FL } },
 240                                  /* surround51 */
 241 { .ca_index = 0x0b,  .speakers = {   0,    0,  RR,  RL,  FC,  LFE,  FR,  FL } },
 242                                  /* 6.1 */
 243 { .ca_index = 0x0f,  .speakers = {   0,   RC,  RR,  RL,  FC,  LFE,  FR,  FL } },
 244                                  /* surround71 */
 245 { .ca_index = 0x13,  .speakers = { RRC,  RLC,  RR,  RL,  FC,  LFE,  FR,  FL } },
 246
 247 { .ca_index = 0x03,  .speakers = {   0,    0,   0,   0,  FC,  LFE,  FR,  FL } },
 248 { .ca_index = 0x04,  .speakers = {   0,    0,   0,  RC,   0,    0,  FR,  FL } },
 249 { .ca_index = 0x05,  .speakers = {   0,    0,   0,  RC,   0,  LFE,  FR,  FL } },
 250 { .ca_index = 0x06,  .speakers = {   0,    0,   0,  RC,  FC,    0,  FR,  FL } },
 251 { .ca_index = 0x07,  .speakers = {   0,    0,   0,  RC,  FC,  LFE,  FR,  FL } },
 252 { .ca_index = 0x0c,  .speakers = {   0,   RC,  RR,  RL,   0,    0,  FR,  FL } },
 253 { .ca_index = 0x0d,  .speakers = {   0,   RC,  RR,  RL,   0,  LFE,  FR,  FL } },
 254 { .ca_index = 0x0e,  .speakers = {   0,   RC,  RR,  RL,  FC,    0,  FR,  FL } },
 255 { .ca_index = 0x10,  .speakers = { RRC,  RLC,  RR,  RL,   0,    0,  FR,  FL } },
 256 { .ca_index = 0x11,  .speakers = { RRC,  RLC,  RR,  RL,   0,  LFE,  FR,  FL } },
 257 { .ca_index = 0x12,  .speakers = { RRC,  RLC,  RR,  RL,  FC,    0,  FR,  FL } },
 258 { .ca_index = 0x14,  .speakers = { FRC,  FLC,   0,   0,   0,    0,  FR,  FL } },
 259 { .ca_index = 0x15,  .speakers = { FRC,  FLC,   0,   0,   0,  LFE,  FR,  FL } },
 260 { .ca_index = 0x16,  .speakers = { FRC,  FLC,   0,   0,  FC,    0,  FR,  FL } },
 261 { .ca_index = 0x17,  .speakers = { FRC,  FLC,   0,   0,  FC,  LFE,  FR,  FL } },
 262 { .ca_index = 0x18,  .speakers = { FRC,  FLC,   0,  RC,   0,    0,  FR,  FL } },
 263 { .ca_index = 0x19,  .speakers = { FRC,  FLC,   0,  RC,   0,  LFE,  FR,  FL } },
 264 { .ca_index = 0x1a,  .speakers = { FRC,  FLC,   0,  RC,  FC,    0,  FR,  FL } },
 265 { .ca_index = 0x1b,  .speakers = { FRC,  FLC,   0,  RC,  FC,  LFE,  FR,  FL } },
 266 { .ca_index = 0x1c,  .speakers = { FRC,  FLC,  RR,  RL,   0,    0,  FR,  FL } },
 267 { .ca_index = 0x1d,  .speakers = { FRC,  FLC,  RR,  RL,   0,  LFE,  FR,  FL } },
 268 { .ca_index = 0x1e,  .speakers = { FRC,  FLC,  RR,  RL,  FC,    0,  FR,  FL } },
 269 { .ca_index = 0x1f,  .speakers = { FRC,  FLC,  RR,  RL,  FC,  LFE,  FR,  FL } },
 270 { .ca_index = 0x20,  .speakers = {   0,  FCH,  RR,  RL,  FC,    0,  FR,  FL } },
 271 { .ca_index = 0x21,  .speakers = {   0,  FCH,  RR,  RL,  FC,  LFE,  FR,  FL } },
 272 { .ca_index = 0x22,  .speakers = {  TC,    0,  RR,  RL,  FC,    0,  FR,  FL } },
 273 { .ca_index = 0x23,  .speakers = {  TC,    0,  RR,  RL,  FC,  LFE,  FR,  FL } },
 274 { .ca_index = 0x24,  .speakers = { FRH,  FLH,  RR,  RL,   0,    0,  FR,  FL } },
 275 { .ca_index = 0x25,  .speakers = { FRH,  FLH,  RR,  RL,   0,  LFE,  FR,  FL } },
 276 { .ca_index = 0x26,  .speakers = { FRW,  FLW,  RR,  RL,   0,    0,  FR,  FL } },
 277 { .ca_index = 0x27,  .speakers = { FRW,  FLW,  RR,  RL,   0,  LFE,  FR,  FL } },
 278 { .ca_index = 0x28,  .speakers = {  TC,   RC,  RR,  RL,  FC,    0,  FR,  FL } },
 279 { .ca_index = 0x29,  .speakers = {  TC,   RC,  RR,  RL,  FC,  LFE,  FR,  FL } },
 280 { .ca_index = 0x2a,  .speakers = { FCH,   RC,  RR,  RL,  FC,    0,  FR,  FL } },
 281 { .ca_index = 0x2b,  .speakers = { FCH,   RC,  RR,  RL,  FC,  LFE,  FR,  FL } },
 282 { .ca_index = 0x2c,  .speakers = {  TC,  FCH,  RR,  RL,  FC,    0,  FR,  FL } },
 283 { .ca_index = 0x2d,  .speakers = {  TC,  FCH,  RR,  RL,  FC,  LFE,  FR,  FL } },
 284 { .ca_index = 0x2e,  .speakers = { FRH,  FLH,  RR,  RL,  FC,    0,  FR,  FL } },
 285 { .ca_index = 0x2f,  .speakers = { FRH,  FLH,  RR,  RL,  FC,  LFE,  FR,  FL } },
 286 { .ca_index = 0x30,  .speakers = { FRW,  FLW,  RR,  RL,  FC,    0,  FR,  FL } },
 287 { .ca_index = 0x31,  .speakers = { FRW,  FLW,  RR,  RL,  FC,  LFE,  FR,  FL } },
 288 };
 289
 290
 291 /*
 292  * HDMI routines
 293  */
 294
 295 static int pin_nid_to_pin_index(struct hdmi_spec *spec, hda_nid_t pin_nid)
 296 {
 297         int pin_idx;
 298
 299         for (pin_idx = 0; pin_idx < spec->num_pins; pin_idx++)
 300                 if (spec->pins[pin_idx].pin_nid == pin_nid)
 301                         return pin_idx;
 302
 303         snd_printk(KERN_WARNING "HDMI: pin nid %d not registered\n", pin_nid);
 304         return -EINVAL;
 305 }
 306
 307 static int hinfo_to_pin_index(struct hdmi_spec *spec,
 308                               struct hda_pcm_stream *hinfo)
 309 {
 310         int pin_idx;
 311
 312         for (pin_idx = 0; pin_idx < spec->num_pins; pin_idx++)
 313                 if (&spec->pcm_rec[pin_idx].stream[0] == hinfo)
 314                         return pin_idx;
 315
 316         snd_printk(KERN_WARNING "HDMI: hinfo %p not registered\n", hinfo);
 317         return -EINVAL;
 318 }
 319
 320 static int cvt_nid_to_cvt_index(struct hdmi_spec *spec, hda_nid_t cvt_nid)
 321 {
 322         int cvt_idx;
 323
 324         for (cvt_idx = 0; cvt_idx < spec->num_cvts; cvt_idx++)
 325                 if (spec->cvts[cvt_idx].cvt_nid == cvt_nid)
 326                         return cvt_idx;
 327
 328         snd_printk(KERN_WARNING "HDMI: cvt nid %d not registered\n", cvt_nid);
 329         return -EINVAL;
 330 }
 331
 332 static int hdmi_eld_ctl_info(struct snd_kcontrol *kcontrol,
 333                         struct snd_ctl_elem_info *uinfo)
 334 {
 335         struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
 336         struct hdmi_spec *spec;
 337         int pin_idx;
 338
 339         spec = codec->spec;
 340         uinfo->type = SNDRV_CTL_ELEM_TYPE_BYTES;
 341
 342         pin_idx = kcontrol->private_value;
 343         uinfo->count = spec->pins[pin_idx].sink_eld.eld_size;
 344
 345         return 0;
 346 }
 347
 348 static int hdmi_eld_ctl_get(struct snd_kcontrol *kcontrol,
 349                         struct snd_ctl_elem_value *ucontrol)
 350 {
 351         struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
 352         struct hdmi_spec *spec;
 353         int pin_idx;
 354
 355         spec = codec->spec;
 356         pin_idx = kcontrol->private_value;
 357
 358         memcpy(ucontrol->value.bytes.data,
 359                 spec->pins[pin_idx].sink_eld.eld_buffer, ELD_MAX_SIZE);
 360
 361         return 0;
 362 }
 363
 364 static struct snd_kcontrol_new eld_bytes_ctl = {
 365         .access = SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_VOLATILE,
 366         .iface = SNDRV_CTL_ELEM_IFACE_PCM,
 367         .name = "ELD",
 368         .info = hdmi_eld_ctl_info,
 369         .get = hdmi_eld_ctl_get,
 370 };
 371
 372 static int hdmi_create_eld_ctl(struct hda_codec *codec, int pin_idx,
 373                         int device)
 374 {
 375         struct snd_kcontrol *kctl;
 376         struct hdmi_spec *spec = codec->spec;
 377         int err;
 378
 379         kctl = snd_ctl_new1(&eld_bytes_ctl, codec);
 380         if (!kctl)
 381                 return -ENOMEM;
 382         kctl->private_value = pin_idx;
 383         kctl->id.device = device;
 384
 385         err = snd_hda_ctl_add(codec, spec->pins[pin_idx].pin_nid, kctl);
 386         if (err < 0)
 387                 return err;
 388
 389         return 0;
 390 }
 391
 392 #ifdef BE_PARANOID
 393 static void hdmi_get_dip_index(struct hda_codec *codec, hda_nid_t pin_nid,
 394                                 int *packet_index, int *byte_index)
 395 {
 396         int val;
 397
 398         val = snd_hda_codec_read(codec, pin_nid, 0,
 399                                  AC_VERB_GET_HDMI_DIP_INDEX, 0);
 400
 401         *packet_index = val >> 5;
 402         *byte_index = val & 0x1f;
 403 }
 404 #endif
 405
 406 static void hdmi_set_dip_index(struct hda_codec *codec, hda_nid_t pin_nid,
 407                                 int packet_index, int byte_index)
 408 {
 409         int val;
 410
 411         val = (packet_index << 5) | (byte_index & 0x1f);
 412
 413         snd_hda_codec_write(codec, pin_nid, 0, AC_VERB_SET_HDMI_DIP_INDEX, val);
 414 }
 415
 416 static void hdmi_write_dip_byte(struct hda_codec *codec, hda_nid_t pin_nid,
 417                                 unsigned char val)
 418 {
 419         snd_hda_codec_write(codec, pin_nid, 0, AC_VERB_SET_HDMI_DIP_DATA, val);
 420 }
 421
 422 static void hdmi_init_pin(struct hda_codec *codec, hda_nid_t pin_nid)
 423 {
 424         /* Unmute */
 425         if (get_wcaps(codec, pin_nid) & AC_WCAP_OUT_AMP)
 426                 snd_hda_codec_write(codec, pin_nid, 0,
 427                                 AC_VERB_SET_AMP_GAIN_MUTE, AMP_OUT_UNMUTE);
 428         /* Disable pin out until stream is active*/
 429         snd_hda_codec_write(codec, pin_nid, 0,
 430                             AC_VERB_SET_PIN_WIDGET_CONTROL, 0);
 431 }
 432
 433 static int hdmi_get_channel_count(struct hda_codec *codec, hda_nid_t cvt_nid)
 434 {
 435         return 1 + snd_hda_codec_read(codec, cvt_nid, 0,
 436                                         AC_VERB_GET_CVT_CHAN_COUNT, 0);
 437 }
 438
 439 static void hdmi_set_channel_count(struct hda_codec *codec,
 440                                    hda_nid_t cvt_nid, int chs)
 441 {
 442         if (chs != hdmi_get_channel_count(codec, cvt_nid))
 443                 snd_hda_codec_write(codec, cvt_nid, 0,
 444                                     AC_VERB_SET_CVT_CHAN_COUNT, chs - 1);
 445 }
 446
 447
 448 /*
 449  * Channel mapping routines
 450  */
 451
 452 /*
 453  * Compute derived values in channel_allocations[].
 454  */
 455 static void init_channel_allocations(void)
 456 {
 457         int i, j;
 458         struct cea_channel_speaker_allocation *p;
 459
 460         for (i = 0; i < ARRAY_SIZE(channel_allocations); i++) {
 461                 p = channel_allocations + i;
 462                 p->channels = 0;
 463                 p->spk_mask = 0;
 464                 for (j = 0; j < ARRAY_SIZE(p->speakers); j++)
 465                         if (p->speakers[j]) {
 466                                 p->channels++;
 467                                 p->spk_mask |= p->speakers[j];
 468                         }
 469         }
 470 }
 471
 472 /*
 473  * The transformation takes two steps:
 474  *
 475  *      eld->spk_alloc => (eld_speaker_allocation_bits[]) => spk_mask
 476  *            spk_mask => (channel_allocations[])         => ai->CA
 477  *
 478  * TODO: it could select the wrong CA from multiple candidates.
 479 */
 480 static int hdmi_channel_allocation(struct hdmi_eld *eld, int channels)
 481 {
 482         int i;
 483         int ca = 0;
 484         int spk_mask = 0;
 485         char buf[SND_PRINT_CHANNEL_ALLOCATION_ADVISED_BUFSIZE];
 486
 487         /*
 488          * CA defaults to 0 for basic stereo audio
 489          */
 490         if (channels <= 2)
 491                 return 0;
 492
 493         /*
 494          * expand ELD's speaker allocation mask
 495          *
 496          * ELD tells the speaker mask in a compact(paired) form,
 497          * expand ELD's notions to match the ones used by Audio InfoFrame.
 498          */
 499         for (i = 0; i < ARRAY_SIZE(eld_speaker_allocation_bits); i++) {
 500                 if (eld->spk_alloc & (1 << i))
 501                         spk_mask |= eld_speaker_allocation_bits[i];
 502         }
 503
 504         /* search for the first working match in the CA table */
 505         for (i = 0; i < ARRAY_SIZE(channel_allocations); i++) {
 506                 if (channels == channel_allocations[i].channels &&
 507                     (spk_mask & channel_allocations[i].spk_mask) ==
 508                                 channel_allocations[i].spk_mask) {
 509                         ca = channel_allocations[i].ca_index;
 510                         break;
 511                 }
 512         }
 513
 514         snd_print_channel_allocation(eld->spk_alloc, buf, sizeof(buf));
 515         snd_printdd("HDMI: select CA 0x%x for %d-channel allocation: %s\n",
 516                     ca, channels, buf);
 517
 518         return ca;
 519 }
 520
 521 static void hdmi_debug_channel_mapping(struct hda_codec *codec,
 522                                        hda_nid_t pin_nid)
 523 {
 524 #ifdef CONFIG_SND_DEBUG_VERBOSE
 525         int i;
 526         int slot;
 527
 528         for (i = 0; i < 8; i++) {
 529                 slot = snd_hda_codec_read(codec, pin_nid, 0,
 530                                                 AC_VERB_GET_HDMI_CHAN_SLOT, i);
 531                 printk(KERN_DEBUG "HDMI: ASP channel %d => slot %d\n",
 532                                                 slot >> 4, slot & 0xf);
 533         }
 534 #endif
 535 }
 536
 537
 538 static void hdmi_setup_channel_mapping(struct hda_codec *codec,
 539                                        hda_nid_t pin_nid,
 540                                        int ca)
 541 {
 542         int i;
 543         int err;
 544
 545         if (hdmi_channel_mapping[ca][1] == 0) {
 546                 for (i = 0; i < channel_allocations[ca].channels; i++)
 547                         hdmi_channel_mapping[ca][i] = i | (i << 4);
 548                 for (; i < 8; i++)
 549                         hdmi_channel_mapping[ca][i] = 0xf | (i << 4);
 550         }
 551
 552         for (i = 0; i < 8; i++) {
 553                 err = snd_hda_codec_write(codec, pin_nid, 0,
 554                                           AC_VERB_SET_HDMI_CHAN_SLOT,
 555                                           hdmi_channel_mapping[ca][i]);
 556                 if (err) {
 557                         snd_printdd(KERN_NOTICE
 558                                     "HDMI: channel mapping failed\n");
 559                         break;
 560                 }
 561         }
 562
 563         hdmi_debug_channel_mapping(codec, pin_nid);
 564 }
 565
 566
 567 /*
 568  * Audio InfoFrame routines
 569  */
 570
 571 /*
 572  * Enable Audio InfoFrame Transmission
 573  */
 574 static void hdmi_start_infoframe_trans(struct hda_codec *codec,
 575                                        hda_nid_t pin_nid)
 576 {
 577         hdmi_set_dip_index(codec, pin_nid, 0x0, 0x0);
 578         snd_hda_codec_write(codec, pin_nid, 0, AC_VERB_SET_HDMI_DIP_XMIT,
 579                                                 AC_DIPXMIT_BEST);
 580 }
 581
 582 /*
 583  * Disable Audio InfoFrame Transmission
 584  */
 585 static void hdmi_stop_infoframe_trans(struct hda_codec *codec,
 586                                       hda_nid_t pin_nid)
 587 {
 588         hdmi_set_dip_index(codec, pin_nid, 0x0, 0x0);
 589         snd_hda_codec_write(codec, pin_nid, 0, AC_VERB_SET_HDMI_DIP_XMIT,
 590                                                 AC_DIPXMIT_DISABLE);
 591 }
 592
 593 static void hdmi_debug_dip_size(struct hda_codec *codec, hda_nid_t pin_nid)
 594 {
 595 #ifdef CONFIG_SND_DEBUG_VERBOSE
 596         int i;
 597         int size;
 598
 599         size = snd_hdmi_get_eld_size(codec, pin_nid);
 600         printk(KERN_DEBUG "HDMI: ELD buf size is %d\n", size);
 601
 602         for (i = 0; i < 8; i++) {
 603                 size = snd_hda_codec_read(codec, pin_nid, 0,
 604                                                 AC_VERB_GET_HDMI_DIP_SIZE, i);
 605                 printk(KERN_DEBUG "HDMI: DIP GP[%d] buf size is %d\n", i, size);
 606         }
 607 #endif
 608 }
 609
 610 static void hdmi_clear_dip_buffers(struct hda_codec *codec, hda_nid_t pin_nid)
 611 {
 612 #ifdef BE_PARANOID
 613         int i, j;
 614         int size;
 615         int pi, bi;
 616         for (i = 0; i < 8; i++) {
 617                 size = snd_hda_codec_read(codec, pin_nid, 0,
 618                                                 AC_VERB_GET_HDMI_DIP_SIZE, i);
 619                 if (size == 0)
 620                         continue;
 621
 622                 hdmi_set_dip_index(codec, pin_nid, i, 0x0);
 623                 for (j = 1; j < 1000; j++) {
 624                         hdmi_write_dip_byte(codec, pin_nid, 0x0);
 625                         hdmi_get_dip_index(codec, pin_nid, &pi, &bi);
 626                         if (pi != i)
 627                                 snd_printd(KERN_INFO "dip index %d: %d != %d\n",
 628                                                 bi, pi, i);
 629                         if (bi == 0) /* byte index wrapped around */
 630                                 break;
 631                 }
 632                 snd_printd(KERN_INFO
 633                         "HDMI: DIP GP[%d] buf reported size=%d, written=%d\n",
 634                         i, size, j);
 635         }
 636 #endif
 637 }
 638
 639 static void hdmi_checksum_audio_infoframe(struct hdmi_audio_infoframe *hdmi_ai)
 640 {
 641         u8 *bytes = (u8 *)hdmi_ai;
 642         u8 sum = 0;
 643         int i;
 644
 645         hdmi_ai->checksum = 0;
 646
 647         for (i = 0; i < sizeof(*hdmi_ai); i++)
 648                 sum += bytes[i];
 649
 650         hdmi_ai->checksum = -sum;
 651 }
 652
 653 static void hdmi_fill_audio_infoframe(struct hda_codec *codec,
 654                                       hda_nid_t pin_nid,
 655                                       u8 *dip, int size)
 656 {
 657         int i;
 658
 659         hdmi_debug_dip_size(codec, pin_nid);
 660         hdmi_clear_dip_buffers(codec, pin_nid); /* be paranoid */
 661
 662         hdmi_set_dip_index(codec, pin_nid, 0x0, 0x0);
 663         for (i = 0; i < size; i++)
 664                 hdmi_write_dip_byte(codec, pin_nid, dip[i]);
 665 }
 666
 667 static bool hdmi_infoframe_uptodate(struct hda_codec *codec, hda_nid_t pin_nid,
 668                                     u8 *dip, int size)
 669 {
 670         u8 val;
 671         int i;
 672
 673         if (snd_hda_codec_read(codec, pin_nid, 0, AC_VERB_GET_HDMI_DIP_XMIT, 0)
 674                                                             != AC_DIPXMIT_BEST)
 675                 return false;
 676
 677         hdmi_set_dip_index(codec, pin_nid, 0x0, 0x0);
 678         for (i = 0; i < size; i++) {
 679                 val = snd_hda_codec_read(codec, pin_nid, 0,
 680                                          AC_VERB_GET_HDMI_DIP_DATA, 0);
 681                 if (val != dip[i])
 682                         return false;
 683         }
 684
 685         return true;
 686 }
 687
 688 static void hdmi_setup_audio_infoframe(struct hda_codec *codec, int pin_idx,
 689                                         struct snd_pcm_substream *substream)
 690 {
 691         struct hdmi_spec *spec = codec->spec;
 692         struct hdmi_spec_per_pin *per_pin = &spec->pins[pin_idx];
 693         hda_nid_t pin_nid = per_pin->pin_nid;
 694         int channels = substream->runtime->channels;
 695         struct hdmi_eld *eld;
 696         int ca;
 697         union audio_infoframe ai;
 698
 699         eld = &spec->pins[pin_idx].sink_eld;
 700         if (!eld->monitor_present)
 701                 return;
 702
 703         ca = hdmi_channel_allocation(eld, channels);
 704
 705         memset(&ai, 0, sizeof(ai));
 706         if (eld->conn_type == 0) { /* HDMI */
 707                 struct hdmi_audio_infoframe *hdmi_ai = &ai.hdmi;
 708
 709                 hdmi_ai->type           = 0x84;
 710                 hdmi_ai->ver            = 0x01;
 711                 hdmi_ai->len            = 0x0a;
 712                 hdmi_ai->CC02_CT47      = channels - 1;
 713                 hdmi_ai->CA             = ca;
 714                 hdmi_checksum_audio_infoframe(hdmi_ai);
 715         } else if (eld->conn_type == 1) { /* DisplayPort */
 716                 struct dp_audio_infoframe *dp_ai = &ai.dp;
 717
 718                 dp_ai->type             = 0x84;
 719                 dp_ai->len              = 0x1b;
 720                 dp_ai->ver              = 0x11 << 2;
 721                 dp_ai->CC02_CT47        = channels - 1;
 722                 dp_ai->CA               = ca;
 723         } else {
 724                 snd_printd("HDMI: unknown connection type at pin %d\n",
 725                             pin_nid);
 726                 return;
 727         }
 728
 729         /*
 730          * sizeof(ai) is used instead of sizeof(*hdmi_ai) or
 731          * sizeof(*dp_ai) to avoid partial match/update problems when
 732          * the user switches between HDMI/DP monitors.
 733          */
 734         if (!hdmi_infoframe_uptodate(codec, pin_nid, ai.bytes,
 735                                         sizeof(ai))) {
 736                 snd_printdd("hdmi_setup_audio_infoframe: "
 737                             "pin=%d channels=%d\n",
 738                             pin_nid,
 739                             channels);
 740                 hdmi_setup_channel_mapping(codec, pin_nid, ca);
 741                 hdmi_stop_infoframe_trans(codec, pin_nid);
 742                 hdmi_fill_audio_infoframe(codec, pin_nid,
 743                                             ai.bytes, sizeof(ai));
 744                 hdmi_start_infoframe_trans(codec, pin_nid);
 745         }
 746 }
 747
 748
 749 /*
 750  * Unsolicited events
 751  */
 752
 753 static void hdmi_present_sense(struct hdmi_spec_per_pin *per_pin, int repoll);
 754
 755 static void hdmi_intrinsic_event(struct hda_codec *codec, unsigned int res)
 756 {
 757         struct hdmi_spec *spec = codec->spec;
 758         int tag = res >> AC_UNSOL_RES_TAG_SHIFT;
 759         int pin_nid;
 760         int pin_idx;
 761         struct hda_jack_tbl *jack;
 762
 763         jack = snd_hda_jack_tbl_get_from_tag(codec, tag);
 764         if (!jack)
 765                 return;
 766         pin_nid = jack->nid;
 767         jack->jack_dirty = 1;
 768
 769         _snd_printd(SND_PR_VERBOSE,
 770                 "HDMI hot plug event: Codec=%d Pin=%d Presence_Detect=%d ELD_Valid=%d\n",
 771                 codec->addr, pin_nid,
 772                 !!(res & AC_UNSOL_RES_PD), !!(res & AC_UNSOL_RES_ELDV));
 773
 774         pin_idx = pin_nid_to_pin_index(spec, pin_nid);
 775         if (pin_idx < 0)
 776                 return;
 777
 778         hdmi_present_sense(&spec->pins[pin_idx], 1);
 779         snd_hda_jack_report_sync(codec);
 780 }
 781
 782 static void hdmi_non_intrinsic_event(struct hda_codec *codec, unsigned int res)
 783 {
 784         int tag = res >> AC_UNSOL_RES_TAG_SHIFT;
 785         int subtag = (res & AC_UNSOL_RES_SUBTAG) >> AC_UNSOL_RES_SUBTAG_SHIFT;
 786         int cp_state = !!(res & AC_UNSOL_RES_CP_STATE);
 787         int cp_ready = !!(res & AC_UNSOL_RES_CP_READY);
 788
 789         printk(KERN_INFO
 790                 "HDMI CP event: CODEC=%d TAG=%d SUBTAG=0x%x CP_STATE=%d CP_READY=%d\n",
 791                 codec->addr,
 792                 tag,
 793                 subtag,
 794                 cp_state,
 795                 cp_ready);
 796
 797         /* TODO */
 798         if (cp_state)
 799                 ;
 800         if (cp_ready)
 801                 ;
 802 }
 803
 804
 805 static void hdmi_unsol_event(struct hda_codec *codec, unsigned int res)
 806 {
 807         int tag = res >> AC_UNSOL_RES_TAG_SHIFT;
 808         int subtag = (res & AC_UNSOL_RES_SUBTAG) >> AC_UNSOL_RES_SUBTAG_SHIFT;
 809
 810         if (!snd_hda_jack_tbl_get_from_tag(codec, tag)) {
 811                 snd_printd(KERN_INFO "Unexpected HDMI event tag 0x%x\n", tag);
 812                 return;
 813         }
 814
 815         if (subtag == 0)
 816                 hdmi_intrinsic_event(codec, res);
 817         else
 818                 hdmi_non_intrinsic_event(codec, res);
 819 }
 820
 821 /*
 822  * Callbacks
 823  */
 824
 825 /* HBR should be Non-PCM, 8 channels */
 826 #define is_hbr_format(format) \
 827         ((format & AC_FMT_TYPE_NON_PCM) && (format & AC_FMT_CHAN_MASK) == 7)
 828
 829 static int hdmi_setup_stream(struct hda_codec *codec, hda_nid_t cvt_nid,
 830                               hda_nid_t pin_nid, u32 stream_tag, int format)
 831 {
 832         int pinctl;
 833         int new_pinctl = 0;
 834
 835         if (snd_hda_query_pin_caps(codec, pin_nid) & AC_PINCAP_HBR) {
 836                 pinctl = snd_hda_codec_read(codec, pin_nid, 0,
 837                                             AC_VERB_GET_PIN_WIDGET_CONTROL, 0);
 838
 839                 new_pinctl = pinctl & ~AC_PINCTL_EPT;
 840                 if (is_hbr_format(format))
 841                         new_pinctl |= AC_PINCTL_EPT_HBR;
 842                 else
 843                         new_pinctl |= AC_PINCTL_EPT_NATIVE;
 844
 845                 snd_printdd("hdmi_setup_stream: "
 846                             "NID=0x%x, %spinctl=0x%x\n",
 847                             pin_nid,
 848                             pinctl == new_pinctl ? "" : "new-",
 849                             new_pinctl);
 850
 851                 if (pinctl != new_pinctl)
 852                         snd_hda_codec_write(codec, pin_nid, 0,
 853                                             AC_VERB_SET_PIN_WIDGET_CONTROL,
 854                                             new_pinctl);
 855
 856         }
 857         if (is_hbr_format(format) && !new_pinctl) {
 858                 snd_printdd("hdmi_setup_stream: HBR is not supported\n");
 859                 return -EINVAL;
 860         }
 861
 862         snd_hda_codec_setup_stream(codec, cvt_nid, stream_tag, 0, format);
 863         return 0;
 864 }
 865
 866 /*
 867  * HDA PCM callbacks
 868  */
 869 static int hdmi_pcm_open(struct hda_pcm_stream *hinfo,
 870                          struct hda_codec *codec,
 871                          struct snd_pcm_substream *substream)
 872 {
 873         struct hdmi_spec *spec = codec->spec;
 874         struct snd_pcm_runtime *runtime = substream->runtime;
 875         int pin_idx, cvt_idx, mux_idx = 0;
 876         struct hdmi_spec_per_pin *per_pin;
 877         struct hdmi_eld *eld;
 878         struct hdmi_spec_per_cvt *per_cvt = NULL;
 879         int pinctl;
 880
 881         /* Validate hinfo */
 882         pin_idx = hinfo_to_pin_index(spec, hinfo);
 883         if (snd_BUG_ON(pin_idx < 0))
 884                 return -EINVAL;
 885         per_pin = &spec->pins[pin_idx];
 886         eld = &per_pin->sink_eld;
 887
 888         /* Dynamically assign converter to stream */
 889         for (cvt_idx = 0; cvt_idx < spec->num_cvts; cvt_idx++) {
 890                 per_cvt = &spec->cvts[cvt_idx];
 891
 892                 /* Must not already be assigned */
 893                 if (per_cvt->assigned)
 894                         continue;
 895                 /* Must be in pin's mux's list of converters */
 896                 for (mux_idx = 0; mux_idx < per_pin->num_mux_nids; mux_idx++)
 897                         if (per_pin->mux_nids[mux_idx] == per_cvt->cvt_nid)
 898                                 break;
 899                 /* Not in mux list */
 900                 if (mux_idx == per_pin->num_mux_nids)
 901                         continue;
 902                 break;
 903         }
 904         /* No free converters */
 905         if (cvt_idx == spec->num_cvts)
 906                 return -ENODEV;
 907
 908         /* Claim converter */
 909         per_cvt->assigned = 1;
 910         hinfo->nid = per_cvt->cvt_nid;
 911
 912         snd_hda_codec_write(codec, per_pin->pin_nid, 0,
 913                             AC_VERB_SET_CONNECT_SEL,
 914                             mux_idx);
 915         pinctl = snd_hda_codec_read(codec, per_pin->pin_nid, 0,
 916                                     AC_VERB_GET_PIN_WIDGET_CONTROL, 0);
 917         snd_hda_codec_write(codec, per_pin->pin_nid, 0,
 918                             AC_VERB_SET_PIN_WIDGET_CONTROL,
 919                             pinctl | PIN_OUT);
 920         snd_hda_spdif_ctls_assign(codec, pin_idx, per_cvt->cvt_nid);
 921
 922         /* Initially set the converter's capabilities */
 923         hinfo->channels_min = per_cvt->channels_min;
 924         hinfo->channels_max = per_cvt->channels_max;
 925         hinfo->rates = per_cvt->rates;
 926         hinfo->formats = per_cvt->formats;
 927         hinfo->maxbps = per_cvt->maxbps;
 928
 929         /* Restrict capabilities by ELD if this isn't disabled */
 930         if (!static_hdmi_pcm && eld->eld_valid) {
 931                 snd_hdmi_eld_update_pcm_info(eld, hinfo);
 932                 if (hinfo->channels_min > hinfo->channels_max ||
 933                     !hinfo->rates || !hinfo->formats)
 934                         return -ENODEV;
 935         }
 936
 937         /* Store the updated parameters */
 938         runtime->hw.channels_min = hinfo->channels_min;
 939         runtime->hw.channels_max = hinfo->channels_max;
 940         runtime->hw.formats = hinfo->formats;
 941         runtime->hw.rates = hinfo->rates;
 942
 943         snd_pcm_hw_constraint_step(substream->runtime, 0,
 944                                    SNDRV_PCM_HW_PARAM_CHANNELS, 2);
 945         return 0;
 946 }
 947
 948 /*
 949  * HDA/HDMI auto parsing
 950  */
 951 static int hdmi_read_pin_conn(struct hda_codec *codec, int pin_idx)
 952 {
 953         struct hdmi_spec *spec = codec->spec;
 954         struct hdmi_spec_per_pin *per_pin = &spec->pins[pin_idx];
 955         hda_nid_t pin_nid = per_pin->pin_nid;
 956
 957         if (!(get_wcaps(codec, pin_nid) & AC_WCAP_CONN_LIST)) {
 958                 snd_printk(KERN_WARNING
 959                            "HDMI: pin %d wcaps %#x "
 960                            "does not support connection list\n",
 961                            pin_nid, get_wcaps(codec, pin_nid));
 962                 return -EINVAL;
 963         }
 964
 965         per_pin->num_mux_nids = snd_hda_get_connections(codec, pin_nid,
 966                                                         per_pin->mux_nids,
 967                                                         HDA_MAX_CONNECTIONS);
 968
 969         return 0;
 970 }
 971
 972 static void hdmi_present_sense(struct hdmi_spec_per_pin *per_pin, int repoll)
 973 {
 974         struct hda_codec *codec = per_pin->codec;
 975         struct hdmi_eld *eld = &per_pin->sink_eld;
 976         hda_nid_t pin_nid = per_pin->pin_nid;
 977         /*
 978          * Always execute a GetPinSense verb here, even when called from
 979          * hdmi_intrinsic_event; for some NVIDIA HW, the unsolicited
 980          * response's PD bit is not the real PD value, but indicates that
 981          * the real PD value changed. An older version of the HD-audio
 982          * specification worked this way. Hence, we just ignore the data in
 983          * the unsolicited response to avoid custom WARs.
 984          */
 985         int present = snd_hda_pin_sense(codec, pin_nid);
 986         bool eld_valid = false;
 987
 988         memset(eld, 0, offsetof(struct hdmi_eld, eld_buffer));
 989
 990         eld->monitor_present    = !!(present & AC_PINSENSE_PRESENCE);
 991         if (eld->monitor_present)
 992                 eld_valid       = !!(present & AC_PINSENSE_ELDV);
 993
 994         _snd_printd(SND_PR_VERBOSE,
 995                 "HDMI status: Codec=%d Pin=%d Presence_Detect=%d ELD_Valid=%d\n",
 996                 codec->addr, pin_nid, eld->monitor_present, eld_valid);
 997
 998         if (eld_valid) {
 999                 if (!snd_hdmi_get_eld(eld, codec, pin_nid))
1000                         snd_hdmi_show_eld(eld);
1001                 else if (repoll) {
1002                         queue_delayed_work(codec->bus->workq,
1003                                            &per_pin->work,
1004                                            msecs_to_jiffies(300));
1005                 }
1006         }
1007 }
1008
1009 static void hdmi_repoll_eld(struct work_struct *work)
1010 {
1011         struct hdmi_spec_per_pin *per_pin =
1012         container_of(to_delayed_work(work), struct hdmi_spec_per_pin, work);
1013
1014         if (per_pin->repoll_count++ > 6)
1015                 per_pin->repoll_count = 0;
1016
1017         hdmi_present_sense(per_pin, per_pin->repoll_count);
1018 }
1019
1020 static int hdmi_add_pin(struct hda_codec *codec, hda_nid_t pin_nid)
1021 {
1022         struct hdmi_spec *spec = codec->spec;
1023         unsigned int caps, config;
1024         int pin_idx;
1025         struct hdmi_spec_per_pin *per_pin;
1026         int err;
1027
1028         caps = snd_hda_param_read(codec, pin_nid, AC_PAR_PIN_CAP);
1029         if (!(caps & (AC_PINCAP_HDMI | AC_PINCAP_DP)))
1030                 return 0;
1031
1032         config = snd_hda_codec_read(codec, pin_nid, 0,
1033                                 AC_VERB_GET_CONFIG_DEFAULT, 0);
1034         if (get_defcfg_connect(config) == AC_JACK_PORT_NONE)
1035                 return 0;
1036
1037         if (snd_BUG_ON(spec->num_pins >= MAX_HDMI_PINS))
1038                 return -E2BIG;
1039
1040         pin_idx = spec->num_pins;
1041         per_pin = &spec->pins[pin_idx];
1042
1043         per_pin->pin_nid = pin_nid;
1044
1045         err = hdmi_read_pin_conn(codec, pin_idx);
1046         if (err < 0)
1047                 return err;
1048
1049         spec->num_pins++;
1050
1051         return 0;
1052 }
1053
1054 static int hdmi_add_cvt(struct hda_codec *codec, hda_nid_t cvt_nid)
1055 {
1056         struct hdmi_spec *spec = codec->spec;
1057         int cvt_idx;
1058         struct hdmi_spec_per_cvt *per_cvt;
1059         unsigned int chans;
1060         int err;
1061
1062         if (snd_BUG_ON(spec->num_cvts >= MAX_HDMI_CVTS))
1063                 return -E2BIG;
1064
1065         chans = get_wcaps(codec, cvt_nid);
1066         chans = get_wcaps_channels(chans);
1067
1068         cvt_idx = spec->num_cvts;
1069         per_cvt = &spec->cvts[cvt_idx];
1070
1071         per_cvt->cvt_nid = cvt_nid;
1072         per_cvt->channels_min = 2;
1073         if (chans <= 16)
1074                 per_cvt->channels_max = chans;
1075
1076         err = snd_hda_query_supported_pcm(codec, cvt_nid,
1077                                           &per_cvt->rates,
1078                                           &per_cvt->formats,
1079                                           &per_cvt->maxbps);
1080         if (err < 0)
1081                 return err;
1082
1083         spec->num_cvts++;
1084
1085         return 0;
1086 }
1087
1088 static int hdmi_parse_codec(struct hda_codec *codec)
1089 {
1090         hda_nid_t nid;
1091         int i, nodes;
1092
1093         nodes = snd_hda_get_sub_nodes(codec, codec->afg, &nid);
1094         if (!nid || nodes < 0) {
1095                 snd_printk(KERN_WARNING "HDMI: failed to get afg sub nodes\n");
1096                 return -EINVAL;
1097         }
1098
1099         for (i = 0; i < nodes; i++, nid++) {
1100                 unsigned int caps;
1101                 unsigned int type;
1102
1103                 caps = snd_hda_param_read(codec, nid, AC_PAR_AUDIO_WIDGET_CAP);
1104                 type = get_wcaps_type(caps);
1105
1106                 if (!(caps & AC_WCAP_DIGITAL))
1107                         continue;
1108
1109                 switch (type) {
1110                 case AC_WID_AUD_OUT:
1111                         hdmi_add_cvt(codec, nid);
1112                         break;
1113                 case AC_WID_PIN:
1114                         hdmi_add_pin(codec, nid);
1115                         break;
1116                 }
1117         }
1118
1119         /*
1120          * G45/IbexPeak don't support EPSS: the unsolicited pin hot plug event
1121          * can be lost and presence sense verb will become inaccurate if the
1122          * HDA link is powered off at hot plug or hw initialization time.
1123          */
1124 #ifdef CONFIG_SND_HDA_POWER_SAVE
1125         if (!(snd_hda_param_read(codec, codec->afg, AC_PAR_POWER_STATE) &
1126               AC_PWRST_EPSS))
1127                 codec->bus->power_keep_link_on = 1;
1128 #endif
1129
1130         return 0;
1131 }
1132
1133 /*
1134  */
1135 static char *get_hdmi_pcm_name(int idx)
1136 {
1137         static char names[MAX_HDMI_PINS][8];
1138         sprintf(&names[idx][0], "HDMI %d", idx);
1139         return &names[idx][0];
1140 }
1141
1142 /*
1143  * HDMI callbacks
1144  */
1145
1146 static int generic_hdmi_playback_pcm_prepare(struct hda_pcm_stream *hinfo,
1147                                            struct hda_codec *codec,
1148                                            unsigned int stream_tag,
1149                                            unsigned int format,
1150                                            struct snd_pcm_substream *substream)
1151 {
1152         hda_nid_t cvt_nid = hinfo->nid;
1153         struct hdmi_spec *spec = codec->spec;
1154         int pin_idx = hinfo_to_pin_index(spec, hinfo);
1155         hda_nid_t pin_nid = spec->pins[pin_idx].pin_nid;
1156
1157         hdmi_set_channel_count(codec, cvt_nid, substream->runtime->channels);
1158
1159         hdmi_setup_audio_infoframe(codec, pin_idx, substream);
1160
1161         return hdmi_setup_stream(codec, cvt_nid, pin_nid, stream_tag, format);
1162 }
1163
1164 static int generic_hdmi_playback_pcm_cleanup(struct hda_pcm_stream *hinfo,
1165                                              struct hda_codec *codec,
1166                                              struct snd_pcm_substream *substream)
1167 {
1168         struct hdmi_spec *spec = codec->spec;
1169         int cvt_idx, pin_idx;
1170         struct hdmi_spec_per_cvt *per_cvt;
1171         struct hdmi_spec_per_pin *per_pin;
1172         int pinctl;
1173
1174         snd_hda_codec_cleanup_stream(codec, hinfo->nid);
1175
1176         if (hinfo->nid) {
1177                 cvt_idx = cvt_nid_to_cvt_index(spec, hinfo->nid);
1178                 if (snd_BUG_ON(cvt_idx < 0))
1179                         return -EINVAL;
1180                 per_cvt = &spec->cvts[cvt_idx];
1181
1182                 snd_BUG_ON(!per_cvt->assigned);
1183                 per_cvt->assigned = 0;
1184                 hinfo->nid = 0;
1185
1186                 pin_idx = hinfo_to_pin_index(spec, hinfo);
1187                 if (snd_BUG_ON(pin_idx < 0))
1188                         return -EINVAL;
1189                 per_pin = &spec->pins[pin_idx];
1190
1191                 pinctl = snd_hda_codec_read(codec, per_pin->pin_nid, 0,
1192                                             AC_VERB_GET_PIN_WIDGET_CONTROL, 0);
1193                 snd_hda_codec_write(codec, per_pin->pin_nid, 0,
1194                                     AC_VERB_SET_PIN_WIDGET_CONTROL,
1195                                     pinctl & ~PIN_OUT);
1196                 snd_hda_spdif_ctls_unassign(codec, pin_idx);
1197         }
1198
1199         return 0;
1200 }
1201
1202 static const struct hda_pcm_ops generic_ops = {
1203         .open = hdmi_pcm_open,
1204         .prepare = generic_hdmi_playback_pcm_prepare,
1205         .cleanup = generic_hdmi_playback_pcm_cleanup,
1206 };
1207
1208 static int generic_hdmi_build_pcms(struct hda_codec *codec)
1209 {
1210         struct hdmi_spec *spec = codec->spec;
1211         int pin_idx;
1212
1213         for (pin_idx = 0; pin_idx < spec->num_pins; pin_idx++) {
1214                 struct hda_pcm *info;
1215                 struct hda_pcm_stream *pstr;
1216
1217                 info = &spec->pcm_rec[pin_idx];
1218                 info->name = get_hdmi_pcm_name(pin_idx);
1219                 info->pcm_type = HDA_PCM_TYPE_HDMI;
1220
1221                 pstr = &info->stream[SNDRV_PCM_STREAM_PLAYBACK];
1222                 pstr->substreams = 1;
1223                 pstr->ops = generic_ops;
1224                 /* other pstr fields are set in open */
1225         }
1226
1227         codec->num_pcms = spec->num_pins;
1228         codec->pcm_info = spec->pcm_rec;
1229
1230         return 0;
1231 }
1232
1233 static int generic_hdmi_build_jack(struct hda_codec *codec, int pin_idx)
1234 {
1235         char hdmi_str[32] = "HDMI/DP";
1236         struct hdmi_spec *spec = codec->spec;
1237         struct hdmi_spec_per_pin *per_pin = &spec->pins[pin_idx];
1238         int pcmdev = spec->pcm_rec[pin_idx].device;
1239
1240         if (pcmdev > 0)
1241                 sprintf(hdmi_str + strlen(hdmi_str), ",pcm=%d", pcmdev);
1242
1243         return snd_hda_jack_add_kctl(codec, per_pin->pin_nid, hdmi_str, 0);
1244 }
1245
1246 static int generic_hdmi_build_controls(struct hda_codec *codec)
1247 {
1248         struct hdmi_spec *spec = codec->spec;
1249         int err;
1250         int pin_idx;
1251
1252         for (pin_idx = 0; pin_idx < spec->num_pins; pin_idx++) {
1253                 struct hdmi_spec_per_pin *per_pin = &spec->pins[pin_idx];
1254
1255                 err = generic_hdmi_build_jack(codec, pin_idx);
1256                 if (err < 0)
1257                         return err;
1258
1259                 err = snd_hda_create_spdif_out_ctls(codec,
1260                                                     per_pin->pin_nid,
1261                                                     per_pin->mux_nids[0]);
1262                 if (err < 0)
1263                         return err;
1264                 snd_hda_spdif_ctls_unassign(codec, pin_idx);
1265
1266                 /* add control for ELD Bytes */
1267                 err = hdmi_create_eld_ctl(codec,
1268                                         pin_idx,
1269                                         spec->pcm_rec[pin_idx].device);
1270
1271                 if (err < 0)
1272                         return err;
1273
1274                 hdmi_present_sense(per_pin, 0);
1275         }
1276
1277         return 0;
1278 }
1279
1280 static int generic_hdmi_init_per_pins(struct hda_codec *codec)
1281 {
1282         struct hdmi_spec *spec = codec->spec;
1283         int pin_idx;
1284
1285         for (pin_idx = 0; pin_idx < spec->num_pins; pin_idx++) {
1286                 struct hdmi_spec_per_pin *per_pin = &spec->pins[pin_idx];
1287                 struct hdmi_eld *eld = &per_pin->sink_eld;
1288
1289                 per_pin->codec = codec;
1290                 INIT_DELAYED_WORK(&per_pin->work, hdmi_repoll_eld);
1291                 snd_hda_eld_proc_new(codec, eld, pin_idx);
1292         }
1293         return 0;
1294 }
1295
1296 static int generic_hdmi_init(struct hda_codec *codec)
1297 {
1298         struct hdmi_spec *spec = codec->spec;
1299         int pin_idx;
1300
1301         for (pin_idx = 0; pin_idx < spec->num_pins; pin_idx++) {
1302                 struct hdmi_spec_per_pin *per_pin = &spec->pins[pin_idx];
1303                 hda_nid_t pin_nid = per_pin->pin_nid;
1304
1305                 hdmi_init_pin(codec, pin_nid);
1306                 snd_hda_jack_detect_enable(codec, pin_nid, pin_nid);
1307         }
1308         snd_hda_jack_report_sync(codec);
1309         return 0;
1310 }
1311
1312 static void generic_hdmi_free(struct hda_codec *codec)
1313 {
1314         struct hdmi_spec *spec = codec->spec;
1315         int pin_idx;
1316
1317         for (pin_idx = 0; pin_idx < spec->num_pins; pin_idx++) {
1318                 struct hdmi_spec_per_pin *per_pin = &spec->pins[pin_idx];
1319                 struct hdmi_eld *eld = &per_pin->sink_eld;
1320
1321                 cancel_delayed_work(&per_pin->work);
1322                 snd_hda_eld_proc_free(codec, eld);
1323         }
1324
1325         flush_workqueue(codec->bus->workq);
1326         kfree(spec);
1327 }
1328
1329 static const struct hda_codec_ops generic_hdmi_patch_ops = {
1330         .init                   = generic_hdmi_init,
1331         .free                   = generic_hdmi_free,
1332         .build_pcms             = generic_hdmi_build_pcms,
1333         .build_controls         = generic_hdmi_build_controls,
1334         .unsol_event            = hdmi_unsol_event,
1335 };
1336
1337 static int patch_generic_hdmi(struct hda_codec *codec)
1338 {
1339         struct hdmi_spec *spec;
1340
1341         spec = kzalloc(sizeof(*spec), GFP_KERNEL);
1342         if (spec == NULL)
1343                 return -ENOMEM;
1344
1345         codec->spec = spec;
1346         if (hdmi_parse_codec(codec) < 0) {
1347                 codec->spec = NULL;
1348                 kfree(spec);
1349                 return -EINVAL;
1350         }
1351         codec->patch_ops = generic_hdmi_patch_ops;
1352         generic_hdmi_init_per_pins(codec);
1353
1354         init_channel_allocations();
1355
1356         return 0;
1357 }
1358
1359 /*
1360  * Shared non-generic implementations
1361  */
1362
1363 static int simple_playback_build_pcms(struct hda_codec *codec)
1364 {
1365         struct hdmi_spec *spec = codec->spec;
1366         struct hda_pcm *info = spec->pcm_rec;
1367         unsigned int chans;
1368         struct hda_pcm_stream *pstr;
1369
1370         codec->num_pcms = 1;
1371         codec->pcm_info = info;
1372
1373         chans = get_wcaps(codec, spec->cvts[0].cvt_nid);
1374         chans = get_wcaps_channels(chans);
1375
1376         info->name = get_hdmi_pcm_name(0);
1377         info->pcm_type = HDA_PCM_TYPE_HDMI;
1378         pstr = &info->stream[SNDRV_PCM_STREAM_PLAYBACK];
1379         *pstr = spec->pcm_playback;
1380         pstr->nid = spec->cvts[0].cvt_nid;
1381         if (pstr->channels_max <= 2 && chans && chans <= 16)
1382                 pstr->channels_max = chans;
1383
1384         return 0;
1385 }
1386
1387 /* unsolicited event for jack sensing */
1388 static void simple_hdmi_unsol_event(struct hda_codec *codec,
1389                                     unsigned int res)
1390 {
1391         snd_hda_jack_set_dirty_all(codec);
1392         snd_hda_jack_report_sync(codec);
1393 }
1394
1395 /* generic_hdmi_build_jack can be used for simple_hdmi, too,
1396  * as long as spec->pins[] is set correctly
1397  */
1398 #define simple_hdmi_build_jack  generic_hdmi_build_jack
1399
1400 static int simple_playback_build_controls(struct hda_codec *codec)
1401 {
1402         struct hdmi_spec *spec = codec->spec;
1403         int err;
1404
1405         err = snd_hda_create_spdif_out_ctls(codec,
1406                                             spec->cvts[0].cvt_nid,
1407                                             spec->cvts[0].cvt_nid);
1408         if (err < 0)
1409                 return err;
1410         return simple_hdmi_build_jack(codec, 0);
1411 }
1412
1413 static int simple_playback_init(struct hda_codec *codec)
1414 {
1415         struct hdmi_spec *spec = codec->spec;
1416         hda_nid_t pin = spec->pins[0].pin_nid;
1417
1418         snd_hda_codec_write(codec, pin, 0,
1419                             AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_OUT);
1420         /* some codecs require to unmute the pin */
1421         if (get_wcaps(codec, pin) & AC_WCAP_OUT_AMP)
1422                 snd_hda_codec_write(codec, pin, 0, AC_VERB_SET_AMP_GAIN_MUTE,
1423                                     AMP_OUT_UNMUTE);
1424         snd_hda_jack_detect_enable(codec, pin, pin);
1425         snd_hda_jack_report_sync(codec);
1426         return 0;
1427 }
1428
1429 static void simple_playback_free(struct hda_codec *codec)
1430 {
1431         struct hdmi_spec *spec = codec->spec;
1432
1433         kfree(spec);
1434 }
1435
1436 /*
1437  * Nvidia specific implementations
1438  */
1439
1440 #define Nv_VERB_SET_Channel_Allocation          0xF79
1441 #define Nv_VERB_SET_Info_Frame_Checksum         0xF7A
1442 #define Nv_VERB_SET_Audio_Protection_On         0xF98
1443 #define Nv_VERB_SET_Audio_Protection_Off        0xF99
1444
1445 #define nvhdmi_master_con_nid_7x        0x04
1446 #define nvhdmi_master_pin_nid_7x        0x05
1447
1448 static const hda_nid_t nvhdmi_con_nids_7x[4] = {
1449         /*front, rear, clfe, rear_surr */
1450         0x6, 0x8, 0xa, 0xc,
1451 };
1452
1453 static const struct hda_verb nvhdmi_basic_init_7x_2ch[] = {
1454         /* set audio protect on */
1455         { 0x1, Nv_VERB_SET_Audio_Protection_On, 0x1},
1456         /* enable digital output on pin widget */
1457         { 0x5, AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_OUT | 0x5 },
1458         {} /* terminator */
1459 };
1460
1461 static const struct hda_verb nvhdmi_basic_init_7x_8ch[] = {
1462         /* set audio protect on */
1463         { 0x1, Nv_VERB_SET_Audio_Protection_On, 0x1},
1464         /* enable digital output on pin widget */
1465         { 0x5, AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_OUT | 0x5 },
1466         { 0x7, AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_OUT | 0x5 },
1467         { 0x9, AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_OUT | 0x5 },
1468         { 0xb, AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_OUT | 0x5 },
1469         { 0xd, AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_OUT | 0x5 },
1470         {} /* terminator */
1471 };
1472
1473 #ifdef LIMITED_RATE_FMT_SUPPORT
1474 /* support only the safe format and rate */
1475 #define SUPPORTED_RATES         SNDRV_PCM_RATE_48000
1476 #define SUPPORTED_MAXBPS        16
1477 #define SUPPORTED_FORMATS       SNDRV_PCM_FMTBIT_S16_LE
1478 #else
1479 /* support all rates and formats */
1480 #define SUPPORTED_RATES \
1481         (SNDRV_PCM_RATE_32000 | SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_48000 |\
1482         SNDRV_PCM_RATE_88200 | SNDRV_PCM_RATE_96000 | SNDRV_PCM_RATE_176400 |\
1483          SNDRV_PCM_RATE_192000)
1484 #define SUPPORTED_MAXBPS        24
1485 #define SUPPORTED_FORMATS \
1486         (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S32_LE)
1487 #endif
1488
1489 static int nvhdmi_7x_init_2ch(struct hda_codec *codec)
1490 {
1491         snd_hda_sequence_write(codec, nvhdmi_basic_init_7x_2ch);
1492         return 0;
1493 }
1494
1495 static int nvhdmi_7x_init_8ch(struct hda_codec *codec)
1496 {
1497         snd_hda_sequence_write(codec, nvhdmi_basic_init_7x_8ch);
1498         return 0;
1499 }
1500
1501 static unsigned int channels_2_6_8[] = {
1502         2, 6, 8
1503 };
1504
1505 static unsigned int channels_2_8[] = {
1506         2, 8
1507 };
1508
1509 static struct snd_pcm_hw_constraint_list hw_constraints_2_6_8_channels = {
1510         .count = ARRAY_SIZE(channels_2_6_8),
1511         .list = channels_2_6_8,
1512         .mask = 0,
1513 };
1514
1515 static struct snd_pcm_hw_constraint_list hw_constraints_2_8_channels = {
1516         .count = ARRAY_SIZE(channels_2_8),
1517         .list = channels_2_8,
1518         .mask = 0,
1519 };
1520
1521 static int simple_playback_pcm_open(struct hda_pcm_stream *hinfo,
1522                                     struct hda_codec *codec,
1523                                     struct snd_pcm_substream *substream)
1524 {
1525         struct hdmi_spec *spec = codec->spec;
1526         struct snd_pcm_hw_constraint_list *hw_constraints_channels = NULL;
1527
1528         switch (codec->preset->id) {
1529         case 0x10de0002:
1530         case 0x10de0003:
1531         case 0x10de0005:
1532         case 0x10de0006:
1533                 hw_constraints_channels = &hw_constraints_2_8_channels;
1534                 break;
1535         case 0x10de0007:
1536                 hw_constraints_channels = &hw_constraints_2_6_8_channels;
1537                 break;
1538         default:
1539                 break;
1540         }
1541
1542         if (hw_constraints_channels != NULL) {
1543                 snd_pcm_hw_constraint_list(substream->runtime, 0,
1544                                 SNDRV_PCM_HW_PARAM_CHANNELS,
1545                                 hw_constraints_channels);
1546         } else {
1547                 snd_pcm_hw_constraint_step(substream->runtime, 0,
1548                                            SNDRV_PCM_HW_PARAM_CHANNELS, 2);
1549         }
1550
1551         return snd_hda_multi_out_dig_open(codec, &spec->multiout);
1552 }
1553
1554 static int simple_playback_pcm_close(struct hda_pcm_stream *hinfo,
1555                                      struct hda_codec *codec,
1556                                      struct snd_pcm_substream *substream)
1557 {
1558         struct hdmi_spec *spec = codec->spec;
1559         return snd_hda_multi_out_dig_close(codec, &spec->multiout);
1560 }
1561
1562 static int simple_playback_pcm_prepare(struct hda_pcm_stream *hinfo,
1563                                        struct hda_codec *codec,
1564                                        unsigned int stream_tag,
1565                                        unsigned int format,
1566                                        struct snd_pcm_substream *substream)
1567 {
1568         struct hdmi_spec *spec = codec->spec;
1569         return snd_hda_multi_out_dig_prepare(codec, &spec->multiout,
1570                                              stream_tag, format, substream);
1571 }
1572
1573 static const struct hda_pcm_stream simple_pcm_playback = {
1574         .substreams = 1,
1575         .channels_min = 2,
1576         .channels_max = 2,
1577         .ops = {
1578                 .open = simple_playback_pcm_open,
1579                 .close = simple_playback_pcm_close,
1580                 .prepare = simple_playback_pcm_prepare
1581         },
1582 };
1583
1584 static const struct hda_codec_ops simple_hdmi_patch_ops = {
1585         .build_controls = simple_playback_build_controls,
1586         .build_pcms = simple_playback_build_pcms,
1587         .init = simple_playback_init,
1588         .free = simple_playback_free,
1589         .unsol_event = simple_hdmi_unsol_event,
1590 };
1591
1592 static int patch_simple_hdmi(struct hda_codec *codec,
1593                              hda_nid_t cvt_nid, hda_nid_t pin_nid)
1594 {
1595         struct hdmi_spec *spec;
1596
1597         spec = kzalloc(sizeof(*spec), GFP_KERNEL);
1598         if (!spec)
1599                 return -ENOMEM;
1600
1601         codec->spec = spec;
1602
1603         spec->multiout.num_dacs = 0;  /* no analog */
1604         spec->multiout.max_channels = 2;
1605         spec->multiout.dig_out_nid = cvt_nid;
1606         spec->num_cvts = 1;
1607         spec->num_pins = 1;
1608         spec->cvts[0].cvt_nid = cvt_nid;
1609         spec->pins[0].pin_nid = pin_nid;
1610         spec->pcm_playback = simple_pcm_playback;
1611
1612         codec->patch_ops = simple_hdmi_patch_ops;
1613
1614         return 0;
1615 }
1616
1617 static void nvhdmi_8ch_7x_set_info_frame_parameters(struct hda_codec *codec,
1618                                                     int channels)
1619 {
1620         unsigned int chanmask;
1621         int chan = channels ? (channels - 1) : 1;
1622
1623         switch (channels) {
1624         default:
1625         case 0:
1626         case 2:
1627                 chanmask = 0x00;
1628                 break;
1629         case 4:
1630                 chanmask = 0x08;
1631                 break;
1632         case 6:
1633                 chanmask = 0x0b;
1634                 break;
1635         case 8:
1636                 chanmask = 0x13;
1637                 break;
1638         }
1639
1640         /* Set the audio infoframe channel allocation and checksum fields.  The
1641          * channel count is computed implicitly by the hardware. */
1642         snd_hda_codec_write(codec, 0x1, 0,
1643                         Nv_VERB_SET_Channel_Allocation, chanmask);
1644
1645         snd_hda_codec_write(codec, 0x1, 0,
1646                         Nv_VERB_SET_Info_Frame_Checksum,
1647                         (0x71 - chan - chanmask));
1648 }
1649
1650 static int nvhdmi_8ch_7x_pcm_close(struct hda_pcm_stream *hinfo,
1651                                    struct hda_codec *codec,
1652                                    struct snd_pcm_substream *substream)
1653 {
1654         struct hdmi_spec *spec = codec->spec;
1655         int i;
1656
1657         snd_hda_codec_write(codec, nvhdmi_master_con_nid_7x,
1658                         0, AC_VERB_SET_CHANNEL_STREAMID, 0);
1659         for (i = 0; i < 4; i++) {
1660                 /* set the stream id */
1661                 snd_hda_codec_write(codec, nvhdmi_con_nids_7x[i], 0,
1662                                 AC_VERB_SET_CHANNEL_STREAMID, 0);
1663                 /* set the stream format */
1664                 snd_hda_codec_write(codec, nvhdmi_con_nids_7x[i], 0,
1665                                 AC_VERB_SET_STREAM_FORMAT, 0);
1666         }
1667
1668         /* The audio hardware sends a channel count of 0x7 (8ch) when all the
1669          * streams are disabled. */
1670         nvhdmi_8ch_7x_set_info_frame_parameters(codec, 8);
1671
1672         return snd_hda_multi_out_dig_close(codec, &spec->multiout);
1673 }
1674
1675 static int nvhdmi_8ch_7x_pcm_prepare(struct hda_pcm_stream *hinfo,
1676                                      struct hda_codec *codec,
1677                                      unsigned int stream_tag,
1678                                      unsigned int format,
1679                                      struct snd_pcm_substream *substream)
1680 {
1681         int chs;
1682         unsigned int dataDCC2, channel_id;
1683         int i;
1684         struct hdmi_spec *spec = codec->spec;
1685         struct hda_spdif_out *spdif;
1686
1687         mutex_lock(&codec->spdif_mutex);
1688         spdif = snd_hda_spdif_out_of_nid(codec, spec->cvts[0].cvt_nid);
1689
1690         chs = substream->runtime->channels;
1691
1692         dataDCC2 = 0x2;
1693
1694         /* turn off SPDIF once; otherwise the IEC958 bits won't be updated */
1695         if (codec->spdif_status_reset && (spdif->ctls & AC_DIG1_ENABLE))
1696                 snd_hda_codec_write(codec,
1697                                 nvhdmi_master_con_nid_7x,
1698                                 0,
1699                                 AC_VERB_SET_DIGI_CONVERT_1,
1700                                 spdif->ctls & ~AC_DIG1_ENABLE & 0xff);
1701
1702         /* set the stream id */
1703         snd_hda_codec_write(codec, nvhdmi_master_con_nid_7x, 0,
1704                         AC_VERB_SET_CHANNEL_STREAMID, (stream_tag << 4) | 0x0);
1705
1706         /* set the stream format */
1707         snd_hda_codec_write(codec, nvhdmi_master_con_nid_7x, 0,
1708                         AC_VERB_SET_STREAM_FORMAT, format);
1709
1710         /* turn on again (if needed) */
1711         /* enable and set the channel status audio/data flag */
1712         if (codec->spdif_status_reset && (spdif->ctls & AC_DIG1_ENABLE)) {
1713                 snd_hda_codec_write(codec,
1714                                 nvhdmi_master_con_nid_7x,
1715                                 0,
1716                                 AC_VERB_SET_DIGI_CONVERT_1,
1717                                 spdif->ctls & 0xff);
1718                 snd_hda_codec_write(codec,
1719                                 nvhdmi_master_con_nid_7x,
1720                                 0,
1721                                 AC_VERB_SET_DIGI_CONVERT_2, dataDCC2);
1722         }
1723
1724         for (i = 0; i < 4; i++) {
1725                 if (chs == 2)
1726                         channel_id = 0;
1727                 else
1728                         channel_id = i * 2;
1729
1730                 /* turn off SPDIF once;
1731                  *otherwise the IEC958 bits won't be updated
1732                  */
1733                 if (codec->spdif_status_reset &&
1734                 (spdif->ctls & AC_DIG1_ENABLE))
1735                         snd_hda_codec_write(codec,
1736                                 nvhdmi_con_nids_7x[i],
1737                                 0,
1738                                 AC_VERB_SET_DIGI_CONVERT_1,
1739                                 spdif->ctls & ~AC_DIG1_ENABLE & 0xff);
1740                 /* set the stream id */
1741                 snd_hda_codec_write(codec,
1742                                 nvhdmi_con_nids_7x[i],
1743                                 0,
1744                                 AC_VERB_SET_CHANNEL_STREAMID,
1745                                 (stream_tag << 4) | channel_id);
1746                 /* set the stream format */
1747                 snd_hda_codec_write(codec,
1748                                 nvhdmi_con_nids_7x[i],
1749                                 0,
1750                                 AC_VERB_SET_STREAM_FORMAT,
1751                                 format);
1752                 /* turn on again (if needed) */
1753                 /* enable and set the channel status audio/data flag */
1754                 if (codec->spdif_status_reset &&
1755                 (spdif->ctls & AC_DIG1_ENABLE)) {
1756                         snd_hda_codec_write(codec,
1757                                         nvhdmi_con_nids_7x[i],
1758                                         0,
1759                                         AC_VERB_SET_DIGI_CONVERT_1,
1760                                         spdif->ctls & 0xff);
1761                         snd_hda_codec_write(codec,
1762                                         nvhdmi_con_nids_7x[i],
1763                                         0,
1764                                         AC_VERB_SET_DIGI_CONVERT_2, dataDCC2);
1765                 }
1766         }
1767
1768         nvhdmi_8ch_7x_set_info_frame_parameters(codec, chs);
1769
1770         mutex_unlock(&codec->spdif_mutex);
1771         return 0;
1772 }
1773
1774 static const struct hda_pcm_stream nvhdmi_pcm_playback_8ch_7x = {
1775         .substreams = 1,
1776         .channels_min = 2,
1777         .channels_max = 8,
1778         .nid = nvhdmi_master_con_nid_7x,
1779         .rates = SUPPORTED_RATES,
1780         .maxbps = SUPPORTED_MAXBPS,
1781         .formats = SUPPORTED_FORMATS,
1782         .ops = {
1783                 .open = simple_playback_pcm_open,
1784                 .close = nvhdmi_8ch_7x_pcm_close,
1785                 .prepare = nvhdmi_8ch_7x_pcm_prepare
1786         },
1787 };
1788
1789 static int patch_nvhdmi_2ch(struct hda_codec *codec)
1790 {
1791         struct hdmi_spec *spec;
1792         int err = patch_simple_hdmi(codec, nvhdmi_master_con_nid_7x,
1793                                     nvhdmi_master_pin_nid_7x);
1794         if (err < 0)
1795                 return err;
1796
1797         codec->patch_ops.init = nvhdmi_7x_init_2ch;
1798         /* override the PCM rates, etc, as the codec doesn't give full list */
1799         spec = codec->spec;
1800         spec->pcm_playback.rates = SUPPORTED_RATES;
1801         spec->pcm_playback.maxbps = SUPPORTED_MAXBPS;
1802         spec->pcm_playback.formats = SUPPORTED_FORMATS;
1803         return 0;
1804 }
1805
1806 static int patch_nvhdmi_8ch_7x(struct hda_codec *codec)
1807 {
1808         struct hdmi_spec *spec;
1809         int err = patch_nvhdmi_2ch(codec);
1810         if (err < 0)
1811                 return err;
1812         spec = codec->spec;
1813         spec->multiout.max_channels = 8;
1814         spec->pcm_playback = nvhdmi_pcm_playback_8ch_7x;
1815         codec->patch_ops.init = nvhdmi_7x_init_8ch;
1816
1817         /* Initialize the audio infoframe channel mask and checksum to something
1818          * valid */
1819         nvhdmi_8ch_7x_set_info_frame_parameters(codec, 8);
1820
1821         return 0;
1822 }
1823
1824 /*
1825  * ATI-specific implementations
1826  *
1827  * FIXME: we may omit the whole this and use the generic code once after
1828  * it's confirmed to work.
1829  */
1830
1831 #define ATIHDMI_CVT_NID         0x02    /* audio converter */
1832 #define ATIHDMI_PIN_NID         0x03    /* HDMI output pin */
1833
1834 static int atihdmi_playback_pcm_prepare(struct hda_pcm_stream *hinfo,
1835                                         struct hda_codec *codec,
1836                                         unsigned int stream_tag,
1837                                         unsigned int format,
1838                                         struct snd_pcm_substream *substream)
1839 {
1840         struct hdmi_spec *spec = codec->spec;
1841         int chans = substream->runtime->channels;
1842         int i, err;
1843
1844         err = simple_playback_pcm_prepare(hinfo, codec, stream_tag, format,
1845                                           substream);
1846         if (err < 0)
1847                 return err;
1848         snd_hda_codec_write(codec, spec->cvts[0].cvt_nid, 0,
1849                             AC_VERB_SET_CVT_CHAN_COUNT, chans - 1);
1850         /* FIXME: XXX */
1851         for (i = 0; i < chans; i++) {
1852                 snd_hda_codec_write(codec, spec->cvts[0].cvt_nid, 0,
1853                                     AC_VERB_SET_HDMI_CHAN_SLOT,
1854                                     (i << 4) | i);
1855         }
1856         return 0;
1857 }
1858
1859 static int patch_atihdmi(struct hda_codec *codec)
1860 {
1861         struct hdmi_spec *spec;
1862         int err = patch_simple_hdmi(codec, ATIHDMI_CVT_NID, ATIHDMI_PIN_NID);
1863         if (err < 0)
1864                 return err;
1865         spec = codec->spec;
1866         spec->pcm_playback.ops.prepare = atihdmi_playback_pcm_prepare;
1867         return 0;
1868 }
1869
1870 /* VIA HDMI Implementation */
1871 #define VIAHDMI_CVT_NID 0x02    /* audio converter1 */
1872 #define VIAHDMI_PIN_NID 0x03    /* HDMI output pin1 */
1873
1874 static int patch_via_hdmi(struct hda_codec *codec)
1875 {
1876         return patch_simple_hdmi(codec, VIAHDMI_CVT_NID, VIAHDMI_PIN_NID);
1877 }
1878
1879 /*
1880  * patch entries
1881  */
1882 static const struct hda_codec_preset snd_hda_preset_hdmi[] = {
1883 { .id = 0x1002793c, .name = "RS600 HDMI",       .patch = patch_atihdmi },
1884 { .id = 0x10027919, .name = "RS600 HDMI",       .patch = patch_atihdmi },
1885 { .id = 0x1002791a, .name = "RS690/780 HDMI",   .patch = patch_atihdmi },
1886 { .id = 0x1002aa01, .name = "R6xx HDMI",        .patch = patch_generic_hdmi },
1887 { .id = 0x10951390, .name = "SiI1390 HDMI",     .patch = patch_generic_hdmi },
1888 { .id = 0x10951392, .name = "SiI1392 HDMI",     .patch = patch_generic_hdmi },
1889 { .id = 0x17e80047, .name = "Chrontel HDMI",    .patch = patch_generic_hdmi },
1890 { .id = 0x10de0002, .name = "MCP77/78 HDMI",    .patch = patch_nvhdmi_8ch_7x },
1891 { .id = 0x10de0003, .name = "MCP77/78 HDMI",    .patch = patch_nvhdmi_8ch_7x },
1892 { .id = 0x10de0005, .name = "MCP77/78 HDMI",    .patch = patch_nvhdmi_8ch_7x },
1893 { .id = 0x10de0006, .name = "MCP77/78 HDMI",    .patch = patch_nvhdmi_8ch_7x },
1894 { .id = 0x10de0007, .name = "MCP79/7A HDMI",    .patch = patch_nvhdmi_8ch_7x },
1895 { .id = 0x10de000a, .name = "GPU 0a HDMI/DP",   .patch = patch_generic_hdmi },
1896 { .id = 0x10de000b, .name = "GPU 0b HDMI/DP",   .patch = patch_generic_hdmi },
1897 { .id = 0x10de000c, .name = "MCP89 HDMI",       .patch = patch_generic_hdmi },
1898 { .id = 0x10de000d, .name = "GPU 0d HDMI/DP",   .patch = patch_generic_hdmi },
1899 { .id = 0x10de0010, .name = "GPU 10 HDMI/DP",   .patch = patch_generic_hdmi },
1900 { .id = 0x10de0011, .name = "GPU 11 HDMI/DP",   .patch = patch_generic_hdmi },
1901 { .id = 0x10de0012, .name = "GPU 12 HDMI/DP",   .patch = patch_generic_hdmi },
1902 { .id = 0x10de0013, .name = "GPU 13 HDMI/DP",   .patch = patch_generic_hdmi },
1903 { .id = 0x10de0014, .name = "GPU 14 HDMI/DP",   .patch = patch_generic_hdmi },
1904 { .id = 0x10de0015, .name = "GPU 15 HDMI/DP",   .patch = patch_generic_hdmi },
1905 { .id = 0x10de0016, .name = "GPU 16 HDMI/DP",   .patch = patch_generic_hdmi },
1906 /* 17 is known to be absent */
1907 { .id = 0x10de0018, .name = "GPU 18 HDMI/DP",   .patch = patch_generic_hdmi },
1908 { .id = 0x10de0019, .name = "GPU 19 HDMI/DP",   .patch = patch_generic_hdmi },
1909 { .id = 0x10de001a, .name = "GPU 1a HDMI/DP",   .patch = patch_generic_hdmi },
1910 { .id = 0x10de001b, .name = "GPU 1b HDMI/DP",   .patch = patch_generic_hdmi },
1911 { .id = 0x10de001c, .name = "GPU 1c HDMI/DP",   .patch = patch_generic_hdmi },
1912 { .id = 0x10de0040, .name = "GPU 40 HDMI/DP",   .patch = patch_generic_hdmi },
1913 { .id = 0x10de0041, .name = "GPU 41 HDMI/DP",   .patch = patch_generic_hdmi },
1914 { .id = 0x10de0042, .name = "GPU 42 HDMI/DP",   .patch = patch_generic_hdmi },
1915 { .id = 0x10de0043, .name = "GPU 43 HDMI/DP",   .patch = patch_generic_hdmi },
1916 { .id = 0x10de0044, .name = "GPU 44 HDMI/DP",   .patch = patch_generic_hdmi },
1917 { .id = 0x10de0067, .name = "MCP67 HDMI",       .patch = patch_nvhdmi_2ch },
1918 { .id = 0x10de8001, .name = "MCP73 HDMI",       .patch = patch_nvhdmi_2ch },
1919 { .id = 0x11069f80, .name = "VX900 HDMI/DP",    .patch = patch_via_hdmi },
1920 { .id = 0x11069f81, .name = "VX900 HDMI/DP",    .patch = patch_via_hdmi },
1921 { .id = 0x11069f84, .name = "VX11 HDMI/DP",     .patch = patch_generic_hdmi },
1922 { .id = 0x11069f85, .name = "VX11 HDMI/DP",     .patch = patch_generic_hdmi },
1923 { .id = 0x80860054, .name = "IbexPeak HDMI",    .patch = patch_generic_hdmi },
1924 { .id = 0x80862801, .name = "Bearlake HDMI",    .patch = patch_generic_hdmi },
1925 { .id = 0x80862802, .name = "Cantiga HDMI",     .patch = patch_generic_hdmi },
1926 { .id = 0x80862803, .name = "Eaglelake HDMI",   .patch = patch_generic_hdmi },
1927 { .id = 0x80862804, .name = "IbexPeak HDMI",    .patch = patch_generic_hdmi },
1928 { .id = 0x80862805, .name = "CougarPoint HDMI", .patch = patch_generic_hdmi },
1929 { .id = 0x80862806, .name = "PantherPoint HDMI", .patch = patch_generic_hdmi },
1930 { .id = 0x80862807, .name = "Haswell HDMI",     .patch = patch_generic_hdmi },
1931 { .id = 0x80862880, .name = "CedarTrail HDMI",  .patch = patch_generic_hdmi },
1932 { .id = 0x808629fb, .name = "Crestline HDMI",   .patch = patch_generic_hdmi },
1933 {} /* terminator */
1934 };
1935
1936 MODULE_ALIAS("snd-hda-codec-id:1002793c");
1937 MODULE_ALIAS("snd-hda-codec-id:10027919");
1938 MODULE_ALIAS("snd-hda-codec-id:1002791a");
1939 MODULE_ALIAS("snd-hda-codec-id:1002aa01");
1940 MODULE_ALIAS("snd-hda-codec-id:10951390");
1941 MODULE_ALIAS("snd-hda-codec-id:10951392");
1942 MODULE_ALIAS("snd-hda-codec-id:10de0002");
1943 MODULE_ALIAS("snd-hda-codec-id:10de0003");
1944 MODULE_ALIAS("snd-hda-codec-id:10de0005");
1945 MODULE_ALIAS("snd-hda-codec-id:10de0006");
1946 MODULE_ALIAS("snd-hda-codec-id:10de0007");
1947 MODULE_ALIAS("snd-hda-codec-id:10de000a");
1948 MODULE_ALIAS("snd-hda-codec-id:10de000b");
1949 MODULE_ALIAS("snd-hda-codec-id:10de000c");
1950 MODULE_ALIAS("snd-hda-codec-id:10de000d");
1951 MODULE_ALIAS("snd-hda-codec-id:10de0010");
1952 MODULE_ALIAS("snd-hda-codec-id:10de0011");
1953 MODULE_ALIAS("snd-hda-codec-id:10de0012");
1954 MODULE_ALIAS("snd-hda-codec-id:10de0013");
1955 MODULE_ALIAS("snd-hda-codec-id:10de0014");
1956 MODULE_ALIAS("snd-hda-codec-id:10de0015");
1957 MODULE_ALIAS("snd-hda-codec-id:10de0016");
1958 MODULE_ALIAS("snd-hda-codec-id:10de0018");
1959 MODULE_ALIAS("snd-hda-codec-id:10de0019");
1960 MODULE_ALIAS("snd-hda-codec-id:10de001a");
1961 MODULE_ALIAS("snd-hda-codec-id:10de001b");
1962 MODULE_ALIAS("snd-hda-codec-id:10de001c");
1963 MODULE_ALIAS("snd-hda-codec-id:10de0040");
1964 MODULE_ALIAS("snd-hda-codec-id:10de0041");
1965 MODULE_ALIAS("snd-hda-codec-id:10de0042");
1966 MODULE_ALIAS("snd-hda-codec-id:10de0043");
1967 MODULE_ALIAS("snd-hda-codec-id:10de0044");
1968 MODULE_ALIAS("snd-hda-codec-id:10de0067");
1969 MODULE_ALIAS("snd-hda-codec-id:10de8001");
1970 MODULE_ALIAS("snd-hda-codec-id:11069f80");
1971 MODULE_ALIAS("snd-hda-codec-id:11069f81");
1972 MODULE_ALIAS("snd-hda-codec-id:11069f84");
1973 MODULE_ALIAS("snd-hda-codec-id:11069f85");
1974 MODULE_ALIAS("snd-hda-codec-id:17e80047");
1975 MODULE_ALIAS("snd-hda-codec-id:80860054");
1976 MODULE_ALIAS("snd-hda-codec-id:80862801");
1977 MODULE_ALIAS("snd-hda-codec-id:80862802");
1978 MODULE_ALIAS("snd-hda-codec-id:80862803");
1979 MODULE_ALIAS("snd-hda-codec-id:80862804");
1980 MODULE_ALIAS("snd-hda-codec-id:80862805");
1981 MODULE_ALIAS("snd-hda-codec-id:80862806");
1982 MODULE_ALIAS("snd-hda-codec-id:80862807");
1983 MODULE_ALIAS("snd-hda-codec-id:80862880");
1984 MODULE_ALIAS("snd-hda-codec-id:808629fb");
1985
1986 MODULE_LICENSE("GPL");
1987 MODULE_DESCRIPTION("HDMI HD-audio codec");
1988 MODULE_ALIAS("snd-hda-codec-intelhdmi");
1989 MODULE_ALIAS("snd-hda-codec-nvhdmi");
1990 MODULE_ALIAS("snd-hda-codec-atihdmi");
1991
1992 static struct hda_codec_preset_list intel_list = {
1993         .preset = snd_hda_preset_hdmi,
1994         .owner = THIS_MODULE,
1995 };
1996
1997 static int __init patch_hdmi_init(void)
1998 {
1999         return snd_hda_add_codec_preset(&intel_list);
2000 }
2001
2002 static void __exit patch_hdmi_exit(void)
2003 {
2004         snd_hda_delete_codec_preset(&intel_list);
2005 }
2006
2007 module_init(patch_hdmi_init)
2008 module_exit(patch_hdmi_exit)