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         const 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 pd = !!(res & AC_UNSOL_RES_PD);
 761         int eldv = !!(res & AC_UNSOL_RES_ELDV);
 762         int pin_idx;
 763         struct hda_jack_tbl *jack;
 764
 765         jack = snd_hda_jack_tbl_get_from_tag(codec, tag);
 766         if (!jack)
 767                 return;
 768         pin_nid = jack->nid;
 769         jack->jack_dirty = 1;
 770
 771         printk(KERN_INFO
 772                 "HDMI hot plug event: Codec=%d Pin=%d Presence_Detect=%d ELD_Valid=%d\n",
 773                 codec->addr, pin_nid, pd, eldv);
 774
 775         pin_idx = pin_nid_to_pin_index(spec, pin_nid);
 776         if (pin_idx < 0)
 777                 return;
 778
 779         hdmi_present_sense(&spec->pins[pin_idx], 1);
 780         snd_hda_jack_report_sync(codec);
 781 }
 782
 783 static void hdmi_non_intrinsic_event(struct hda_codec *codec, unsigned int res)
 784 {
 785         int tag = res >> AC_UNSOL_RES_TAG_SHIFT;
 786         int subtag = (res & AC_UNSOL_RES_SUBTAG) >> AC_UNSOL_RES_SUBTAG_SHIFT;
 787         int cp_state = !!(res & AC_UNSOL_RES_CP_STATE);
 788         int cp_ready = !!(res & AC_UNSOL_RES_CP_READY);
 789
 790         printk(KERN_INFO
 791                 "HDMI CP event: CODEC=%d PIN=%d SUBTAG=0x%x CP_STATE=%d CP_READY=%d\n",
 792                 codec->addr,
 793                 tag,
 794                 subtag,
 795                 cp_state,
 796                 cp_ready);
 797
 798         /* TODO */
 799         if (cp_state)
 800                 ;
 801         if (cp_ready)
 802                 ;
 803 }
 804
 805
 806 static void hdmi_unsol_event(struct hda_codec *codec, unsigned int res)
 807 {
 808         int tag = res >> AC_UNSOL_RES_TAG_SHIFT;
 809         int subtag = (res & AC_UNSOL_RES_SUBTAG) >> AC_UNSOL_RES_SUBTAG_SHIFT;
 810
 811         if (!snd_hda_jack_tbl_get_from_tag(codec, tag)) {
 812                 snd_printd(KERN_INFO "Unexpected HDMI event tag 0x%x\n", tag);
 813                 return;
 814         }
 815
 816         if (subtag == 0)
 817                 hdmi_intrinsic_event(codec, res);
 818         else
 819                 hdmi_non_intrinsic_event(codec, res);
 820 }
 821
 822 /*
 823  * Callbacks
 824  */
 825
 826 /* HBR should be Non-PCM, 8 channels */
 827 #define is_hbr_format(format) \
 828         ((format & AC_FMT_TYPE_NON_PCM) && (format & AC_FMT_CHAN_MASK) == 7)
 829
 830 static int hdmi_setup_stream(struct hda_codec *codec, hda_nid_t cvt_nid,
 831                               hda_nid_t pin_nid, u32 stream_tag, int format)
 832 {
 833         int pinctl;
 834         int new_pinctl = 0;
 835
 836         if (snd_hda_query_pin_caps(codec, pin_nid) & AC_PINCAP_HBR) {
 837                 pinctl = snd_hda_codec_read(codec, pin_nid, 0,
 838                                             AC_VERB_GET_PIN_WIDGET_CONTROL, 0);
 839
 840                 new_pinctl = pinctl & ~AC_PINCTL_EPT;
 841                 if (is_hbr_format(format))
 842                         new_pinctl |= AC_PINCTL_EPT_HBR;
 843                 else
 844                         new_pinctl |= AC_PINCTL_EPT_NATIVE;
 845
 846                 snd_printdd("hdmi_setup_stream: "
 847                             "NID=0x%x, %spinctl=0x%x\n",
 848                             pin_nid,
 849                             pinctl == new_pinctl ? "" : "new-",
 850                             new_pinctl);
 851
 852                 if (pinctl != new_pinctl)
 853                         snd_hda_codec_write(codec, pin_nid, 0,
 854                                             AC_VERB_SET_PIN_WIDGET_CONTROL,
 855                                             new_pinctl);
 856
 857         }
 858         if (is_hbr_format(format) && !new_pinctl) {
 859                 snd_printdd("hdmi_setup_stream: HBR is not supported\n");
 860                 return -EINVAL;
 861         }
 862
 863         snd_hda_codec_setup_stream(codec, cvt_nid, stream_tag, 0, format);
 864         return 0;
 865 }
 866
 867 /*
 868  * HDA PCM callbacks
 869  */
 870 static int hdmi_pcm_open(struct hda_pcm_stream *hinfo,
 871                          struct hda_codec *codec,
 872                          struct snd_pcm_substream *substream)
 873 {
 874         struct hdmi_spec *spec = codec->spec;
 875         struct snd_pcm_runtime *runtime = substream->runtime;
 876         int pin_idx, cvt_idx, mux_idx = 0;
 877         struct hdmi_spec_per_pin *per_pin;
 878         struct hdmi_eld *eld;
 879         struct hdmi_spec_per_cvt *per_cvt = NULL;
 880         int pinctl;
 881
 882         /* Validate hinfo */
 883         pin_idx = hinfo_to_pin_index(spec, hinfo);
 884         if (snd_BUG_ON(pin_idx < 0))
 885                 return -EINVAL;
 886         per_pin = &spec->pins[pin_idx];
 887         eld = &per_pin->sink_eld;
 888
 889         /* Dynamically assign converter to stream */
 890         for (cvt_idx = 0; cvt_idx < spec->num_cvts; cvt_idx++) {
 891                 per_cvt = &spec->cvts[cvt_idx];
 892
 893                 /* Must not already be assigned */
 894                 if (per_cvt->assigned)
 895                         continue;
 896                 /* Must be in pin's mux's list of converters */
 897                 for (mux_idx = 0; mux_idx < per_pin->num_mux_nids; mux_idx++)
 898                         if (per_pin->mux_nids[mux_idx] == per_cvt->cvt_nid)
 899                                 break;
 900                 /* Not in mux list */
 901                 if (mux_idx == per_pin->num_mux_nids)
 902                         continue;
 903                 break;
 904         }
 905         /* No free converters */
 906         if (cvt_idx == spec->num_cvts)
 907                 return -ENODEV;
 908
 909         /* Claim converter */
 910         per_cvt->assigned = 1;
 911         hinfo->nid = per_cvt->cvt_nid;
 912
 913         snd_hda_codec_write(codec, per_pin->pin_nid, 0,
 914                             AC_VERB_SET_CONNECT_SEL,
 915                             mux_idx);
 916         pinctl = snd_hda_codec_read(codec, per_pin->pin_nid, 0,
 917                                     AC_VERB_GET_PIN_WIDGET_CONTROL, 0);
 918         snd_hda_codec_write(codec, per_pin->pin_nid, 0,
 919                             AC_VERB_SET_PIN_WIDGET_CONTROL,
 920                             pinctl | PIN_OUT);
 921         snd_hda_spdif_ctls_assign(codec, pin_idx, per_cvt->cvt_nid);
 922
 923         /* Initially set the converter's capabilities */
 924         hinfo->channels_min = per_cvt->channels_min;
 925         hinfo->channels_max = per_cvt->channels_max;
 926         hinfo->rates = per_cvt->rates;
 927         hinfo->formats = per_cvt->formats;
 928         hinfo->maxbps = per_cvt->maxbps;
 929
 930         /* Restrict capabilities by ELD if this isn't disabled */
 931         if (!static_hdmi_pcm && eld->eld_valid) {
 932                 snd_hdmi_eld_update_pcm_info(eld, hinfo);
 933                 if (hinfo->channels_min > hinfo->channels_max ||
 934                     !hinfo->rates || !hinfo->formats)
 935                         return -ENODEV;
 936         }
 937
 938         /* Store the updated parameters */
 939         runtime->hw.channels_min = hinfo->channels_min;
 940         runtime->hw.channels_max = hinfo->channels_max;
 941         runtime->hw.formats = hinfo->formats;
 942         runtime->hw.rates = hinfo->rates;
 943
 944         snd_pcm_hw_constraint_step(substream->runtime, 0,
 945                                    SNDRV_PCM_HW_PARAM_CHANNELS, 2);
 946         return 0;
 947 }
 948
 949 /*
 950  * HDA/HDMI auto parsing
 951  */
 952 static int hdmi_read_pin_conn(struct hda_codec *codec, int pin_idx)
 953 {
 954         struct hdmi_spec *spec = codec->spec;
 955         struct hdmi_spec_per_pin *per_pin = &spec->pins[pin_idx];
 956         hda_nid_t pin_nid = per_pin->pin_nid;
 957
 958         if (!(get_wcaps(codec, pin_nid) & AC_WCAP_CONN_LIST)) {
 959                 snd_printk(KERN_WARNING
 960                            "HDMI: pin %d wcaps %#x "
 961                            "does not support connection list\n",
 962                            pin_nid, get_wcaps(codec, pin_nid));
 963                 return -EINVAL;
 964         }
 965
 966         per_pin->num_mux_nids = snd_hda_get_connections(codec, pin_nid,
 967                                                         per_pin->mux_nids,
 968                                                         HDA_MAX_CONNECTIONS);
 969
 970         return 0;
 971 }
 972
 973 static void hdmi_present_sense(struct hdmi_spec_per_pin *per_pin, int repoll)
 974 {
 975         struct hda_codec *codec = per_pin->codec;
 976         struct hdmi_eld *eld = &per_pin->sink_eld;
 977         hda_nid_t pin_nid = per_pin->pin_nid;
 978         /*
 979          * Always execute a GetPinSense verb here, even when called from
 980          * hdmi_intrinsic_event; for some NVIDIA HW, the unsolicited
 981          * response's PD bit is not the real PD value, but indicates that
 982          * the real PD value changed. An older version of the HD-audio
 983          * specification worked this way. Hence, we just ignore the data in
 984          * the unsolicited response to avoid custom WARs.
 985          */
 986         int present = snd_hda_pin_sense(codec, pin_nid);
 987         bool eld_valid = false;
 988
 989         memset(eld, 0, offsetof(struct hdmi_eld, eld_buffer));
 990
 991         eld->monitor_present    = !!(present & AC_PINSENSE_PRESENCE);
 992         if (eld->monitor_present)
 993                 eld_valid       = !!(present & AC_PINSENSE_ELDV);
 994
 995         printk(KERN_INFO
 996                 "HDMI status: Codec=%d Pin=%d Presence_Detect=%d ELD_Valid=%d\n",
 997                 codec->addr, pin_nid, eld->monitor_present, eld_valid);
 998
 999         if (eld_valid) {
1000                 if (!snd_hdmi_get_eld(eld, codec, pin_nid))
1001                         snd_hdmi_show_eld(eld);
1002                 else if (repoll) {
1003                         queue_delayed_work(codec->bus->workq,
1004                                            &per_pin->work,
1005                                            msecs_to_jiffies(300));
1006                 }
1007         }
1008 }
1009
1010 static void hdmi_repoll_eld(struct work_struct *work)
1011 {
1012         struct hdmi_spec_per_pin *per_pin =
1013         container_of(to_delayed_work(work), struct hdmi_spec_per_pin, work);
1014
1015         if (per_pin->repoll_count++ > 6)
1016                 per_pin->repoll_count = 0;
1017
1018         hdmi_present_sense(per_pin, per_pin->repoll_count);
1019 }
1020
1021 static int hdmi_add_pin(struct hda_codec *codec, hda_nid_t pin_nid)
1022 {
1023         struct hdmi_spec *spec = codec->spec;
1024         unsigned int caps, config;
1025         int pin_idx;
1026         struct hdmi_spec_per_pin *per_pin;
1027         int err;
1028
1029         caps = snd_hda_param_read(codec, pin_nid, AC_PAR_PIN_CAP);
1030         if (!(caps & (AC_PINCAP_HDMI | AC_PINCAP_DP)))
1031                 return 0;
1032
1033         config = snd_hda_codec_read(codec, pin_nid, 0,
1034                                 AC_VERB_GET_CONFIG_DEFAULT, 0);
1035         if (get_defcfg_connect(config) == AC_JACK_PORT_NONE)
1036                 return 0;
1037
1038         if (snd_BUG_ON(spec->num_pins >= MAX_HDMI_PINS))
1039                 return -E2BIG;
1040
1041         pin_idx = spec->num_pins;
1042         per_pin = &spec->pins[pin_idx];
1043
1044         per_pin->pin_nid = pin_nid;
1045
1046         err = hdmi_read_pin_conn(codec, pin_idx);
1047         if (err < 0)
1048                 return err;
1049
1050         spec->num_pins++;
1051
1052         return 0;
1053 }
1054
1055 static int hdmi_add_cvt(struct hda_codec *codec, hda_nid_t cvt_nid)
1056 {
1057         struct hdmi_spec *spec = codec->spec;
1058         int cvt_idx;
1059         struct hdmi_spec_per_cvt *per_cvt;
1060         unsigned int chans;
1061         int err;
1062
1063         if (snd_BUG_ON(spec->num_cvts >= MAX_HDMI_CVTS))
1064                 return -E2BIG;
1065
1066         chans = get_wcaps(codec, cvt_nid);
1067         chans = get_wcaps_channels(chans);
1068
1069         cvt_idx = spec->num_cvts;
1070         per_cvt = &spec->cvts[cvt_idx];
1071
1072         per_cvt->cvt_nid = cvt_nid;
1073         per_cvt->channels_min = 2;
1074         if (chans <= 16)
1075                 per_cvt->channels_max = chans;
1076
1077         err = snd_hda_query_supported_pcm(codec, cvt_nid,
1078                                           &per_cvt->rates,
1079                                           &per_cvt->formats,
1080                                           &per_cvt->maxbps);
1081         if (err < 0)
1082                 return err;
1083
1084         spec->num_cvts++;
1085
1086         return 0;
1087 }
1088
1089 static int hdmi_parse_codec(struct hda_codec *codec)
1090 {
1091         hda_nid_t nid;
1092         int i, nodes;
1093
1094         nodes = snd_hda_get_sub_nodes(codec, codec->afg, &nid);
1095         if (!nid || nodes < 0) {
1096                 snd_printk(KERN_WARNING "HDMI: failed to get afg sub nodes\n");
1097                 return -EINVAL;
1098         }
1099
1100         for (i = 0; i < nodes; i++, nid++) {
1101                 unsigned int caps;
1102                 unsigned int type;
1103
1104                 caps = snd_hda_param_read(codec, nid, AC_PAR_AUDIO_WIDGET_CAP);
1105                 type = get_wcaps_type(caps);
1106
1107                 if (!(caps & AC_WCAP_DIGITAL))
1108                         continue;
1109
1110                 switch (type) {
1111                 case AC_WID_AUD_OUT:
1112                         hdmi_add_cvt(codec, nid);
1113                         break;
1114                 case AC_WID_PIN:
1115                         hdmi_add_pin(codec, nid);
1116                         break;
1117                 }
1118         }
1119
1120         /*
1121          * G45/IbexPeak don't support EPSS: the unsolicited pin hot plug event
1122          * can be lost and presence sense verb will become inaccurate if the
1123          * HDA link is powered off at hot plug or hw initialization time.
1124          */
1125 #ifdef CONFIG_SND_HDA_POWER_SAVE
1126         if (!(snd_hda_param_read(codec, codec->afg, AC_PAR_POWER_STATE) &
1127               AC_PWRST_EPSS))
1128                 codec->bus->power_keep_link_on = 1;
1129 #endif
1130
1131         return 0;
1132 }
1133
1134 /*
1135  */
1136 static char *get_hdmi_pcm_name(int idx)
1137 {
1138         static char names[MAX_HDMI_PINS][8];
1139         sprintf(&names[idx][0], "HDMI %d", idx);
1140         return &names[idx][0];
1141 }
1142
1143 /*
1144  * HDMI callbacks
1145  */
1146
1147 static int generic_hdmi_playback_pcm_prepare(struct hda_pcm_stream *hinfo,
1148                                            struct hda_codec *codec,
1149                                            unsigned int stream_tag,
1150                                            unsigned int format,
1151                                            struct snd_pcm_substream *substream)
1152 {
1153         hda_nid_t cvt_nid = hinfo->nid;
1154         struct hdmi_spec *spec = codec->spec;
1155         int pin_idx = hinfo_to_pin_index(spec, hinfo);
1156         hda_nid_t pin_nid = spec->pins[pin_idx].pin_nid;
1157
1158         hdmi_set_channel_count(codec, cvt_nid, substream->runtime->channels);
1159
1160         hdmi_setup_audio_infoframe(codec, pin_idx, substream);
1161
1162         return hdmi_setup_stream(codec, cvt_nid, pin_nid, stream_tag, format);
1163 }
1164
1165 static int generic_hdmi_playback_pcm_cleanup(struct hda_pcm_stream *hinfo,
1166                                              struct hda_codec *codec,
1167                                              struct snd_pcm_substream *substream)
1168 {
1169         struct hdmi_spec *spec = codec->spec;
1170         int cvt_idx, pin_idx;
1171         struct hdmi_spec_per_cvt *per_cvt;
1172         struct hdmi_spec_per_pin *per_pin;
1173         int pinctl;
1174
1175         snd_hda_codec_cleanup_stream(codec, hinfo->nid);
1176
1177         if (hinfo->nid) {
1178                 cvt_idx = cvt_nid_to_cvt_index(spec, hinfo->nid);
1179                 if (snd_BUG_ON(cvt_idx < 0))
1180                         return -EINVAL;
1181                 per_cvt = &spec->cvts[cvt_idx];
1182
1183                 snd_BUG_ON(!per_cvt->assigned);
1184                 per_cvt->assigned = 0;
1185                 hinfo->nid = 0;
1186
1187                 pin_idx = hinfo_to_pin_index(spec, hinfo);
1188                 if (snd_BUG_ON(pin_idx < 0))
1189                         return -EINVAL;
1190                 per_pin = &spec->pins[pin_idx];
1191
1192                 pinctl = snd_hda_codec_read(codec, per_pin->pin_nid, 0,
1193                                             AC_VERB_GET_PIN_WIDGET_CONTROL, 0);
1194                 snd_hda_codec_write(codec, per_pin->pin_nid, 0,
1195                                     AC_VERB_SET_PIN_WIDGET_CONTROL,
1196                                     pinctl & ~PIN_OUT);
1197                 snd_hda_spdif_ctls_unassign(codec, pin_idx);
1198         }
1199
1200         return 0;
1201 }
1202
1203 static const struct hda_pcm_ops generic_ops = {
1204         .open = hdmi_pcm_open,
1205         .prepare = generic_hdmi_playback_pcm_prepare,
1206         .cleanup = generic_hdmi_playback_pcm_cleanup,
1207 };
1208
1209 static int generic_hdmi_build_pcms(struct hda_codec *codec)
1210 {
1211         struct hdmi_spec *spec = codec->spec;
1212         int pin_idx;
1213
1214         for (pin_idx = 0; pin_idx < spec->num_pins; pin_idx++) {
1215                 struct hda_pcm *info;
1216                 struct hda_pcm_stream *pstr;
1217
1218                 info = &spec->pcm_rec[pin_idx];
1219                 info->name = get_hdmi_pcm_name(pin_idx);
1220                 info->pcm_type = HDA_PCM_TYPE_HDMI;
1221
1222                 pstr = &info->stream[SNDRV_PCM_STREAM_PLAYBACK];
1223                 pstr->substreams = 1;
1224                 pstr->ops = generic_ops;
1225                 /* other pstr fields are set in open */
1226         }
1227
1228         codec->num_pcms = spec->num_pins;
1229         codec->pcm_info = spec->pcm_rec;
1230
1231         return 0;
1232 }
1233
1234 static int generic_hdmi_build_jack(struct hda_codec *codec, int pin_idx)
1235 {
1236         char hdmi_str[32] = "HDMI/DP";
1237         struct hdmi_spec *spec = codec->spec;
1238         struct hdmi_spec_per_pin *per_pin = &spec->pins[pin_idx];
1239         int pcmdev = spec->pcm_rec[pin_idx].device;
1240
1241         if (pcmdev > 0)
1242                 sprintf(hdmi_str + strlen(hdmi_str), ",pcm=%d", pcmdev);
1243
1244         return snd_hda_jack_add_kctl(codec, per_pin->pin_nid, hdmi_str, 0);
1245 }
1246
1247 static int generic_hdmi_build_controls(struct hda_codec *codec)
1248 {
1249         struct hdmi_spec *spec = codec->spec;
1250         int err;
1251         int pin_idx;
1252
1253         for (pin_idx = 0; pin_idx < spec->num_pins; pin_idx++) {
1254                 struct hdmi_spec_per_pin *per_pin = &spec->pins[pin_idx];
1255
1256                 err = generic_hdmi_build_jack(codec, pin_idx);
1257                 if (err < 0)
1258                         return err;
1259
1260                 err = snd_hda_create_spdif_out_ctls(codec,
1261                                                     per_pin->pin_nid,
1262                                                     per_pin->mux_nids[0]);
1263                 if (err < 0)
1264                         return err;
1265                 snd_hda_spdif_ctls_unassign(codec, pin_idx);
1266
1267                 /* add control for ELD Bytes */
1268                 err = hdmi_create_eld_ctl(codec,
1269                                         pin_idx,
1270                                         spec->pcm_rec[pin_idx].device);
1271
1272                 if (err < 0)
1273                         return err;
1274
1275                 hdmi_present_sense(per_pin, 0);
1276         }
1277
1278         return 0;
1279 }
1280
1281 static int generic_hdmi_init(struct hda_codec *codec)
1282 {
1283         struct hdmi_spec *spec = codec->spec;
1284         int pin_idx;
1285
1286         for (pin_idx = 0; pin_idx < spec->num_pins; pin_idx++) {
1287                 struct hdmi_spec_per_pin *per_pin = &spec->pins[pin_idx];
1288                 hda_nid_t pin_nid = per_pin->pin_nid;
1289                 struct hdmi_eld *eld = &per_pin->sink_eld;
1290
1291                 hdmi_init_pin(codec, pin_nid);
1292                 snd_hda_jack_detect_enable(codec, pin_nid, pin_nid);
1293
1294                 per_pin->codec = codec;
1295                 INIT_DELAYED_WORK(&per_pin->work, hdmi_repoll_eld);
1296                 snd_hda_eld_proc_new(codec, eld, pin_idx);
1297         }
1298         snd_hda_jack_report_sync(codec);
1299         return 0;
1300 }
1301
1302 static void generic_hdmi_free(struct hda_codec *codec)
1303 {
1304         struct hdmi_spec *spec = codec->spec;
1305         int pin_idx;
1306
1307         for (pin_idx = 0; pin_idx < spec->num_pins; pin_idx++) {
1308                 struct hdmi_spec_per_pin *per_pin = &spec->pins[pin_idx];
1309                 struct hdmi_eld *eld = &per_pin->sink_eld;
1310
1311                 cancel_delayed_work(&per_pin->work);
1312                 snd_hda_eld_proc_free(codec, eld);
1313         }
1314
1315         flush_workqueue(codec->bus->workq);
1316         kfree(spec);
1317 }
1318
1319 static const struct hda_codec_ops generic_hdmi_patch_ops = {
1320         .init                   = generic_hdmi_init,
1321         .free                   = generic_hdmi_free,
1322         .build_pcms             = generic_hdmi_build_pcms,
1323         .build_controls         = generic_hdmi_build_controls,
1324         .unsol_event            = hdmi_unsol_event,
1325 };
1326
1327 static int patch_generic_hdmi(struct hda_codec *codec)
1328 {
1329         struct hdmi_spec *spec;
1330
1331         spec = kzalloc(sizeof(*spec), GFP_KERNEL);
1332         if (spec == NULL)
1333                 return -ENOMEM;
1334
1335         codec->spec = spec;
1336         if (hdmi_parse_codec(codec) < 0) {
1337                 codec->spec = NULL;
1338                 kfree(spec);
1339                 return -EINVAL;
1340         }
1341         codec->patch_ops = generic_hdmi_patch_ops;
1342
1343         init_channel_allocations();
1344
1345         return 0;
1346 }
1347
1348 /*
1349  * Shared non-generic implementations
1350  */
1351
1352 static int simple_playback_build_pcms(struct hda_codec *codec)
1353 {
1354         struct hdmi_spec *spec = codec->spec;
1355         struct hda_pcm *info = spec->pcm_rec;
1356         int i;
1357
1358         codec->num_pcms = spec->num_cvts;
1359         codec->pcm_info = info;
1360
1361         for (i = 0; i < codec->num_pcms; i++, info++) {
1362                 unsigned int chans;
1363                 struct hda_pcm_stream *pstr;
1364
1365                 chans = get_wcaps(codec, spec->cvts[i].cvt_nid);
1366                 chans = get_wcaps_channels(chans);
1367
1368                 info->name = get_hdmi_pcm_name(i);
1369                 info->pcm_type = HDA_PCM_TYPE_HDMI;
1370                 pstr = &info->stream[SNDRV_PCM_STREAM_PLAYBACK];
1371                 snd_BUG_ON(!spec->pcm_playback);
1372                 *pstr = *spec->pcm_playback;
1373                 pstr->nid = spec->cvts[i].cvt_nid;
1374                 if (pstr->channels_max <= 2 && chans && chans <= 16)
1375                         pstr->channels_max = chans;
1376         }
1377
1378         return 0;
1379 }
1380
1381 static int simple_playback_build_controls(struct hda_codec *codec)
1382 {
1383         struct hdmi_spec *spec = codec->spec;
1384         int err;
1385         int i;
1386
1387         for (i = 0; i < codec->num_pcms; i++) {
1388                 err = snd_hda_create_spdif_out_ctls(codec,
1389                                                     spec->cvts[i].cvt_nid,
1390                                                     spec->cvts[i].cvt_nid);
1391                 if (err < 0)
1392                         return err;
1393         }
1394
1395         return 0;
1396 }
1397
1398 static void simple_playback_free(struct hda_codec *codec)
1399 {
1400         struct hdmi_spec *spec = codec->spec;
1401
1402         kfree(spec);
1403 }
1404
1405 /*
1406  * Nvidia specific implementations
1407  */
1408
1409 #define Nv_VERB_SET_Channel_Allocation          0xF79
1410 #define Nv_VERB_SET_Info_Frame_Checksum         0xF7A
1411 #define Nv_VERB_SET_Audio_Protection_On         0xF98
1412 #define Nv_VERB_SET_Audio_Protection_Off        0xF99
1413
1414 #define nvhdmi_master_con_nid_7x        0x04
1415 #define nvhdmi_master_pin_nid_7x        0x05
1416
1417 static const hda_nid_t nvhdmi_con_nids_7x[4] = {
1418         /*front, rear, clfe, rear_surr */
1419         0x6, 0x8, 0xa, 0xc,
1420 };
1421
1422 static const struct hda_verb nvhdmi_basic_init_7x[] = {
1423         /* set audio protect on */
1424         { 0x1, Nv_VERB_SET_Audio_Protection_On, 0x1},
1425         /* enable digital output on pin widget */
1426         { 0x5, AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_OUT | 0x5 },
1427         { 0x7, AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_OUT | 0x5 },
1428         { 0x9, AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_OUT | 0x5 },
1429         { 0xb, AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_OUT | 0x5 },
1430         { 0xd, AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_OUT | 0x5 },
1431         {} /* terminator */
1432 };
1433
1434 #ifdef LIMITED_RATE_FMT_SUPPORT
1435 /* support only the safe format and rate */
1436 #define SUPPORTED_RATES         SNDRV_PCM_RATE_48000
1437 #define SUPPORTED_MAXBPS        16
1438 #define SUPPORTED_FORMATS       SNDRV_PCM_FMTBIT_S16_LE
1439 #else
1440 /* support all rates and formats */
1441 #define SUPPORTED_RATES \
1442         (SNDRV_PCM_RATE_32000 | SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_48000 |\
1443         SNDRV_PCM_RATE_88200 | SNDRV_PCM_RATE_96000 | SNDRV_PCM_RATE_176400 |\
1444          SNDRV_PCM_RATE_192000)
1445 #define SUPPORTED_MAXBPS        24
1446 #define SUPPORTED_FORMATS \
1447         (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S32_LE)
1448 #endif
1449
1450 static int nvhdmi_7x_init(struct hda_codec *codec)
1451 {
1452         snd_hda_sequence_write(codec, nvhdmi_basic_init_7x);
1453         return 0;
1454 }
1455
1456 static unsigned int channels_2_6_8[] = {
1457         2, 6, 8
1458 };
1459
1460 static unsigned int channels_2_8[] = {
1461         2, 8
1462 };
1463
1464 static struct snd_pcm_hw_constraint_list hw_constraints_2_6_8_channels = {
1465         .count = ARRAY_SIZE(channels_2_6_8),
1466         .list = channels_2_6_8,
1467         .mask = 0,
1468 };
1469
1470 static struct snd_pcm_hw_constraint_list hw_constraints_2_8_channels = {
1471         .count = ARRAY_SIZE(channels_2_8),
1472         .list = channels_2_8,
1473         .mask = 0,
1474 };
1475
1476 static int simple_playback_pcm_open(struct hda_pcm_stream *hinfo,
1477                                     struct hda_codec *codec,
1478                                     struct snd_pcm_substream *substream)
1479 {
1480         struct hdmi_spec *spec = codec->spec;
1481         struct snd_pcm_hw_constraint_list *hw_constraints_channels = NULL;
1482
1483         switch (codec->preset->id) {
1484         case 0x10de0002:
1485         case 0x10de0003:
1486         case 0x10de0005:
1487         case 0x10de0006:
1488                 hw_constraints_channels = &hw_constraints_2_8_channels;
1489                 break;
1490         case 0x10de0007:
1491                 hw_constraints_channels = &hw_constraints_2_6_8_channels;
1492                 break;
1493         default:
1494                 break;
1495         }
1496
1497         if (hw_constraints_channels != NULL) {
1498                 snd_pcm_hw_constraint_list(substream->runtime, 0,
1499                                 SNDRV_PCM_HW_PARAM_CHANNELS,
1500                                 hw_constraints_channels);
1501         } else {
1502                 snd_pcm_hw_constraint_step(substream->runtime, 0,
1503                                            SNDRV_PCM_HW_PARAM_CHANNELS, 2);
1504         }
1505
1506         return snd_hda_multi_out_dig_open(codec, &spec->multiout);
1507 }
1508
1509 static int simple_playback_pcm_close(struct hda_pcm_stream *hinfo,
1510                                      struct hda_codec *codec,
1511                                      struct snd_pcm_substream *substream)
1512 {
1513         struct hdmi_spec *spec = codec->spec;
1514         return snd_hda_multi_out_dig_close(codec, &spec->multiout);
1515 }
1516
1517 static int simple_playback_pcm_prepare(struct hda_pcm_stream *hinfo,
1518                                        struct hda_codec *codec,
1519                                        unsigned int stream_tag,
1520                                        unsigned int format,
1521                                        struct snd_pcm_substream *substream)
1522 {
1523         struct hdmi_spec *spec = codec->spec;
1524         return snd_hda_multi_out_dig_prepare(codec, &spec->multiout,
1525                                              stream_tag, format, substream);
1526 }
1527
1528 static void nvhdmi_8ch_7x_set_info_frame_parameters(struct hda_codec *codec,
1529                                                     int channels)
1530 {
1531         unsigned int chanmask;
1532         int chan = channels ? (channels - 1) : 1;
1533
1534         switch (channels) {
1535         default:
1536         case 0:
1537         case 2:
1538                 chanmask = 0x00;
1539                 break;
1540         case 4:
1541                 chanmask = 0x08;
1542                 break;
1543         case 6:
1544                 chanmask = 0x0b;
1545                 break;
1546         case 8:
1547                 chanmask = 0x13;
1548                 break;
1549         }
1550
1551         /* Set the audio infoframe channel allocation and checksum fields.  The
1552          * channel count is computed implicitly by the hardware. */
1553         snd_hda_codec_write(codec, 0x1, 0,
1554                         Nv_VERB_SET_Channel_Allocation, chanmask);
1555
1556         snd_hda_codec_write(codec, 0x1, 0,
1557                         Nv_VERB_SET_Info_Frame_Checksum,
1558                         (0x71 - chan - chanmask));
1559 }
1560
1561 static int nvhdmi_8ch_7x_pcm_close(struct hda_pcm_stream *hinfo,
1562                                    struct hda_codec *codec,
1563                                    struct snd_pcm_substream *substream)
1564 {
1565         struct hdmi_spec *spec = codec->spec;
1566         int i;
1567
1568         snd_hda_codec_write(codec, nvhdmi_master_con_nid_7x,
1569                         0, AC_VERB_SET_CHANNEL_STREAMID, 0);
1570         for (i = 0; i < 4; i++) {
1571                 /* set the stream id */
1572                 snd_hda_codec_write(codec, nvhdmi_con_nids_7x[i], 0,
1573                                 AC_VERB_SET_CHANNEL_STREAMID, 0);
1574                 /* set the stream format */
1575                 snd_hda_codec_write(codec, nvhdmi_con_nids_7x[i], 0,
1576                                 AC_VERB_SET_STREAM_FORMAT, 0);
1577         }
1578
1579         /* The audio hardware sends a channel count of 0x7 (8ch) when all the
1580          * streams are disabled. */
1581         nvhdmi_8ch_7x_set_info_frame_parameters(codec, 8);
1582
1583         return snd_hda_multi_out_dig_close(codec, &spec->multiout);
1584 }
1585
1586 static int nvhdmi_8ch_7x_pcm_prepare(struct hda_pcm_stream *hinfo,
1587                                      struct hda_codec *codec,
1588                                      unsigned int stream_tag,
1589                                      unsigned int format,
1590                                      struct snd_pcm_substream *substream)
1591 {
1592         int chs;
1593         unsigned int dataDCC2, channel_id;
1594         int i;
1595         struct hdmi_spec *spec = codec->spec;
1596         struct hda_spdif_out *spdif =
1597                 snd_hda_spdif_out_of_nid(codec, spec->cvts[0].cvt_nid);
1598
1599         mutex_lock(&codec->spdif_mutex);
1600
1601         chs = substream->runtime->channels;
1602
1603         dataDCC2 = 0x2;
1604
1605         /* turn off SPDIF once; otherwise the IEC958 bits won't be updated */
1606         if (codec->spdif_status_reset && (spdif->ctls & AC_DIG1_ENABLE))
1607                 snd_hda_codec_write(codec,
1608                                 nvhdmi_master_con_nid_7x,
1609                                 0,
1610                                 AC_VERB_SET_DIGI_CONVERT_1,
1611                                 spdif->ctls & ~AC_DIG1_ENABLE & 0xff);
1612
1613         /* set the stream id */
1614         snd_hda_codec_write(codec, nvhdmi_master_con_nid_7x, 0,
1615                         AC_VERB_SET_CHANNEL_STREAMID, (stream_tag << 4) | 0x0);
1616
1617         /* set the stream format */
1618         snd_hda_codec_write(codec, nvhdmi_master_con_nid_7x, 0,
1619                         AC_VERB_SET_STREAM_FORMAT, format);
1620
1621         /* turn on again (if needed) */
1622         /* enable and set the channel status audio/data flag */
1623         if (codec->spdif_status_reset && (spdif->ctls & AC_DIG1_ENABLE)) {
1624                 snd_hda_codec_write(codec,
1625                                 nvhdmi_master_con_nid_7x,
1626                                 0,
1627                                 AC_VERB_SET_DIGI_CONVERT_1,
1628                                 spdif->ctls & 0xff);
1629                 snd_hda_codec_write(codec,
1630                                 nvhdmi_master_con_nid_7x,
1631                                 0,
1632                                 AC_VERB_SET_DIGI_CONVERT_2, dataDCC2);
1633         }
1634
1635         for (i = 0; i < 4; i++) {
1636                 if (chs == 2)
1637                         channel_id = 0;
1638                 else
1639                         channel_id = i * 2;
1640
1641                 /* turn off SPDIF once;
1642                  *otherwise the IEC958 bits won't be updated
1643                  */
1644                 if (codec->spdif_status_reset &&
1645                 (spdif->ctls & AC_DIG1_ENABLE))
1646                         snd_hda_codec_write(codec,
1647                                 nvhdmi_con_nids_7x[i],
1648                                 0,
1649                                 AC_VERB_SET_DIGI_CONVERT_1,
1650                                 spdif->ctls & ~AC_DIG1_ENABLE & 0xff);
1651                 /* set the stream id */
1652                 snd_hda_codec_write(codec,
1653                                 nvhdmi_con_nids_7x[i],
1654                                 0,
1655                                 AC_VERB_SET_CHANNEL_STREAMID,
1656                                 (stream_tag << 4) | channel_id);
1657                 /* set the stream format */
1658                 snd_hda_codec_write(codec,
1659                                 nvhdmi_con_nids_7x[i],
1660                                 0,
1661                                 AC_VERB_SET_STREAM_FORMAT,
1662                                 format);
1663                 /* turn on again (if needed) */
1664                 /* enable and set the channel status audio/data flag */
1665                 if (codec->spdif_status_reset &&
1666                 (spdif->ctls & AC_DIG1_ENABLE)) {
1667                         snd_hda_codec_write(codec,
1668                                         nvhdmi_con_nids_7x[i],
1669                                         0,
1670                                         AC_VERB_SET_DIGI_CONVERT_1,
1671                                         spdif->ctls & 0xff);
1672                         snd_hda_codec_write(codec,
1673                                         nvhdmi_con_nids_7x[i],
1674                                         0,
1675                                         AC_VERB_SET_DIGI_CONVERT_2, dataDCC2);
1676                 }
1677         }
1678
1679         nvhdmi_8ch_7x_set_info_frame_parameters(codec, chs);
1680
1681         mutex_unlock(&codec->spdif_mutex);
1682         return 0;
1683 }
1684
1685 static const struct hda_pcm_stream nvhdmi_pcm_playback_8ch_7x = {
1686         .substreams = 1,
1687         .channels_min = 2,
1688         .channels_max = 8,
1689         .nid = nvhdmi_master_con_nid_7x,
1690         .rates = SUPPORTED_RATES,
1691         .maxbps = SUPPORTED_MAXBPS,
1692         .formats = SUPPORTED_FORMATS,
1693         .ops = {
1694                 .open = simple_playback_pcm_open,
1695                 .close = nvhdmi_8ch_7x_pcm_close,
1696                 .prepare = nvhdmi_8ch_7x_pcm_prepare
1697         },
1698 };
1699
1700 static const struct hda_pcm_stream nvhdmi_pcm_playback_2ch = {
1701         .substreams = 1,
1702         .channels_min = 2,
1703         .channels_max = 2,
1704         .nid = nvhdmi_master_con_nid_7x,
1705         .rates = SUPPORTED_RATES,
1706         .maxbps = SUPPORTED_MAXBPS,
1707         .formats = SUPPORTED_FORMATS,
1708         .ops = {
1709                 .open = simple_playback_pcm_open,
1710                 .close = simple_playback_pcm_close,
1711                 .prepare = simple_playback_pcm_prepare
1712         },
1713 };
1714
1715 static const struct hda_codec_ops nvhdmi_patch_ops_8ch_7x = {
1716         .build_controls = simple_playback_build_controls,
1717         .build_pcms = simple_playback_build_pcms,
1718         .init = nvhdmi_7x_init,
1719         .free = simple_playback_free,
1720 };
1721
1722 static const struct hda_codec_ops nvhdmi_patch_ops_2ch = {
1723         .build_controls = simple_playback_build_controls,
1724         .build_pcms = simple_playback_build_pcms,
1725         .init = nvhdmi_7x_init,
1726         .free = simple_playback_free,
1727 };
1728
1729 static int patch_nvhdmi_2ch(struct hda_codec *codec)
1730 {
1731         struct hdmi_spec *spec;
1732
1733         spec = kzalloc(sizeof(*spec), GFP_KERNEL);
1734         if (spec == NULL)
1735                 return -ENOMEM;
1736
1737         codec->spec = spec;
1738
1739         spec->multiout.num_dacs = 0;  /* no analog */
1740         spec->multiout.max_channels = 2;
1741         spec->multiout.dig_out_nid = nvhdmi_master_con_nid_7x;
1742         spec->num_cvts = 1;
1743         spec->cvts[0].cvt_nid = nvhdmi_master_con_nid_7x;
1744         spec->pcm_playback = &nvhdmi_pcm_playback_2ch;
1745
1746         codec->patch_ops = nvhdmi_patch_ops_2ch;
1747
1748         return 0;
1749 }
1750
1751 static int patch_nvhdmi_8ch_7x(struct hda_codec *codec)
1752 {
1753         struct hdmi_spec *spec;
1754         int err = patch_nvhdmi_2ch(codec);
1755
1756         if (err < 0)
1757                 return err;
1758         spec = codec->spec;
1759         spec->multiout.max_channels = 8;
1760         spec->pcm_playback = &nvhdmi_pcm_playback_8ch_7x;
1761         codec->patch_ops = nvhdmi_patch_ops_8ch_7x;
1762
1763         /* Initialize the audio infoframe channel mask and checksum to something
1764          * valid */
1765         nvhdmi_8ch_7x_set_info_frame_parameters(codec, 8);
1766
1767         return 0;
1768 }
1769
1770 /*
1771  * ATI-specific implementations
1772  *
1773  * FIXME: we may omit the whole this and use the generic code once after
1774  * it's confirmed to work.
1775  */
1776
1777 #define ATIHDMI_CVT_NID         0x02    /* audio converter */
1778 #define ATIHDMI_PIN_NID         0x03    /* HDMI output pin */
1779
1780 static int atihdmi_playback_pcm_prepare(struct hda_pcm_stream *hinfo,
1781                                         struct hda_codec *codec,
1782                                         unsigned int stream_tag,
1783                                         unsigned int format,
1784                                         struct snd_pcm_substream *substream)
1785 {
1786         struct hdmi_spec *spec = codec->spec;
1787         int chans = substream->runtime->channels;
1788         int i, err;
1789
1790         err = simple_playback_pcm_prepare(hinfo, codec, stream_tag, format,
1791                                           substream);
1792         if (err < 0)
1793                 return err;
1794         snd_hda_codec_write(codec, spec->cvts[0].cvt_nid, 0,
1795                             AC_VERB_SET_CVT_CHAN_COUNT, chans - 1);
1796         /* FIXME: XXX */
1797         for (i = 0; i < chans; i++) {
1798                 snd_hda_codec_write(codec, spec->cvts[0].cvt_nid, 0,
1799                                     AC_VERB_SET_HDMI_CHAN_SLOT,
1800                                     (i << 4) | i);
1801         }
1802         return 0;
1803 }
1804
1805 static const struct hda_pcm_stream atihdmi_pcm_digital_playback = {
1806         .substreams = 1,
1807         .channels_min = 2,
1808         .channels_max = 2,
1809         .nid = ATIHDMI_CVT_NID,
1810         .ops = {
1811                 .open = simple_playback_pcm_open,
1812                 .close = simple_playback_pcm_close,
1813                 .prepare = atihdmi_playback_pcm_prepare
1814         },
1815 };
1816
1817 static const struct hda_verb atihdmi_basic_init[] = {
1818         /* enable digital output on pin widget */
1819         { 0x03, AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_OUT },
1820         {} /* terminator */
1821 };
1822
1823 static int atihdmi_init(struct hda_codec *codec)
1824 {
1825         struct hdmi_spec *spec = codec->spec;
1826
1827         snd_hda_sequence_write(codec, atihdmi_basic_init);
1828         /* SI codec requires to unmute the pin */
1829         if (get_wcaps(codec, spec->pins[0].pin_nid) & AC_WCAP_OUT_AMP)
1830                 snd_hda_codec_write(codec, spec->pins[0].pin_nid, 0,
1831                                     AC_VERB_SET_AMP_GAIN_MUTE,
1832                                     AMP_OUT_UNMUTE);
1833         return 0;
1834 }
1835
1836 static const struct hda_codec_ops atihdmi_patch_ops = {
1837         .build_controls = simple_playback_build_controls,
1838         .build_pcms = simple_playback_build_pcms,
1839         .init = atihdmi_init,
1840         .free = simple_playback_free,
1841 };
1842
1843
1844 static int patch_atihdmi(struct hda_codec *codec)
1845 {
1846         struct hdmi_spec *spec;
1847
1848         spec = kzalloc(sizeof(*spec), GFP_KERNEL);
1849         if (spec == NULL)
1850                 return -ENOMEM;
1851
1852         codec->spec = spec;
1853
1854         spec->multiout.num_dacs = 0;      /* no analog */
1855         spec->multiout.max_channels = 2;
1856         spec->multiout.dig_out_nid = ATIHDMI_CVT_NID;
1857         spec->num_cvts = 1;
1858         spec->cvts[0].cvt_nid = ATIHDMI_CVT_NID;
1859         spec->pins[0].pin_nid = ATIHDMI_PIN_NID;
1860         spec->pcm_playback = &atihdmi_pcm_digital_playback;
1861
1862         codec->patch_ops = atihdmi_patch_ops;
1863
1864         return 0;
1865 }
1866
1867
1868 /*
1869  * patch entries
1870  */
1871 static const struct hda_codec_preset snd_hda_preset_hdmi[] = {
1872 { .id = 0x1002793c, .name = "RS600 HDMI",       .patch = patch_atihdmi },
1873 { .id = 0x10027919, .name = "RS600 HDMI",       .patch = patch_atihdmi },
1874 { .id = 0x1002791a, .name = "RS690/780 HDMI",   .patch = patch_atihdmi },
1875 { .id = 0x1002aa01, .name = "R6xx HDMI",        .patch = patch_generic_hdmi },
1876 { .id = 0x10951390, .name = "SiI1390 HDMI",     .patch = patch_generic_hdmi },
1877 { .id = 0x10951392, .name = "SiI1392 HDMI",     .patch = patch_generic_hdmi },
1878 { .id = 0x17e80047, .name = "Chrontel HDMI",    .patch = patch_generic_hdmi },
1879 { .id = 0x10de0002, .name = "MCP77/78 HDMI",    .patch = patch_nvhdmi_8ch_7x },
1880 { .id = 0x10de0003, .name = "MCP77/78 HDMI",    .patch = patch_nvhdmi_8ch_7x },
1881 { .id = 0x10de0005, .name = "MCP77/78 HDMI",    .patch = patch_nvhdmi_8ch_7x },
1882 { .id = 0x10de0006, .name = "MCP77/78 HDMI",    .patch = patch_nvhdmi_8ch_7x },
1883 { .id = 0x10de0007, .name = "MCP79/7A HDMI",    .patch = patch_nvhdmi_8ch_7x },
1884 { .id = 0x10de000a, .name = "GPU 0a HDMI/DP",   .patch = patch_generic_hdmi },
1885 { .id = 0x10de000b, .name = "GPU 0b HDMI/DP",   .patch = patch_generic_hdmi },
1886 { .id = 0x10de000c, .name = "MCP89 HDMI",       .patch = patch_generic_hdmi },
1887 { .id = 0x10de000d, .name = "GPU 0d HDMI/DP",   .patch = patch_generic_hdmi },
1888 { .id = 0x10de0010, .name = "GPU 10 HDMI/DP",   .patch = patch_generic_hdmi },
1889 { .id = 0x10de0011, .name = "GPU 11 HDMI/DP",   .patch = patch_generic_hdmi },
1890 { .id = 0x10de0012, .name = "GPU 12 HDMI/DP",   .patch = patch_generic_hdmi },
1891 { .id = 0x10de0013, .name = "GPU 13 HDMI/DP",   .patch = patch_generic_hdmi },
1892 { .id = 0x10de0014, .name = "GPU 14 HDMI/DP",   .patch = patch_generic_hdmi },
1893 { .id = 0x10de0015, .name = "GPU 15 HDMI/DP",   .patch = patch_generic_hdmi },
1894 { .id = 0x10de0016, .name = "GPU 16 HDMI/DP",   .patch = patch_generic_hdmi },
1895 /* 17 is known to be absent */
1896 { .id = 0x10de0018, .name = "GPU 18 HDMI/DP",   .patch = patch_generic_hdmi },
1897 { .id = 0x10de0019, .name = "GPU 19 HDMI/DP",   .patch = patch_generic_hdmi },
1898 { .id = 0x10de001a, .name = "GPU 1a HDMI/DP",   .patch = patch_generic_hdmi },
1899 { .id = 0x10de001b, .name = "GPU 1b HDMI/DP",   .patch = patch_generic_hdmi },
1900 { .id = 0x10de001c, .name = "GPU 1c HDMI/DP",   .patch = patch_generic_hdmi },
1901 { .id = 0x10de0040, .name = "GPU 40 HDMI/DP",   .patch = patch_generic_hdmi },
1902 { .id = 0x10de0041, .name = "GPU 41 HDMI/DP",   .patch = patch_generic_hdmi },
1903 { .id = 0x10de0042, .name = "GPU 42 HDMI/DP",   .patch = patch_generic_hdmi },
1904 { .id = 0x10de0043, .name = "GPU 43 HDMI/DP",   .patch = patch_generic_hdmi },
1905 { .id = 0x10de0044, .name = "GPU 44 HDMI/DP",   .patch = patch_generic_hdmi },
1906 { .id = 0x10de0067, .name = "MCP67 HDMI",       .patch = patch_nvhdmi_2ch },
1907 { .id = 0x10de8001, .name = "MCP73 HDMI",       .patch = patch_nvhdmi_2ch },
1908 { .id = 0x80860054, .name = "IbexPeak HDMI",    .patch = patch_generic_hdmi },
1909 { .id = 0x80862801, .name = "Bearlake HDMI",    .patch = patch_generic_hdmi },
1910 { .id = 0x80862802, .name = "Cantiga HDMI",     .patch = patch_generic_hdmi },
1911 { .id = 0x80862803, .name = "Eaglelake HDMI",   .patch = patch_generic_hdmi },
1912 { .id = 0x80862804, .name = "IbexPeak HDMI",    .patch = patch_generic_hdmi },
1913 { .id = 0x80862805, .name = "CougarPoint HDMI", .patch = patch_generic_hdmi },
1914 { .id = 0x80862806, .name = "PantherPoint HDMI", .patch = patch_generic_hdmi },
1915 { .id = 0x808629fb, .name = "Crestline HDMI",   .patch = patch_generic_hdmi },
1916 {} /* terminator */
1917 };
1918
1919 MODULE_ALIAS("snd-hda-codec-id:1002793c");
1920 MODULE_ALIAS("snd-hda-codec-id:10027919");
1921 MODULE_ALIAS("snd-hda-codec-id:1002791a");
1922 MODULE_ALIAS("snd-hda-codec-id:1002aa01");
1923 MODULE_ALIAS("snd-hda-codec-id:10951390");
1924 MODULE_ALIAS("snd-hda-codec-id:10951392");
1925 MODULE_ALIAS("snd-hda-codec-id:10de0002");
1926 MODULE_ALIAS("snd-hda-codec-id:10de0003");
1927 MODULE_ALIAS("snd-hda-codec-id:10de0005");
1928 MODULE_ALIAS("snd-hda-codec-id:10de0006");
1929 MODULE_ALIAS("snd-hda-codec-id:10de0007");
1930 MODULE_ALIAS("snd-hda-codec-id:10de000a");
1931 MODULE_ALIAS("snd-hda-codec-id:10de000b");
1932 MODULE_ALIAS("snd-hda-codec-id:10de000c");
1933 MODULE_ALIAS("snd-hda-codec-id:10de000d");
1934 MODULE_ALIAS("snd-hda-codec-id:10de0010");
1935 MODULE_ALIAS("snd-hda-codec-id:10de0011");
1936 MODULE_ALIAS("snd-hda-codec-id:10de0012");
1937 MODULE_ALIAS("snd-hda-codec-id:10de0013");
1938 MODULE_ALIAS("snd-hda-codec-id:10de0014");
1939 MODULE_ALIAS("snd-hda-codec-id:10de0015");
1940 MODULE_ALIAS("snd-hda-codec-id:10de0016");
1941 MODULE_ALIAS("snd-hda-codec-id:10de0018");
1942 MODULE_ALIAS("snd-hda-codec-id:10de0019");
1943 MODULE_ALIAS("snd-hda-codec-id:10de001a");
1944 MODULE_ALIAS("snd-hda-codec-id:10de001b");
1945 MODULE_ALIAS("snd-hda-codec-id:10de001c");
1946 MODULE_ALIAS("snd-hda-codec-id:10de0040");
1947 MODULE_ALIAS("snd-hda-codec-id:10de0041");
1948 MODULE_ALIAS("snd-hda-codec-id:10de0042");
1949 MODULE_ALIAS("snd-hda-codec-id:10de0043");
1950 MODULE_ALIAS("snd-hda-codec-id:10de0044");
1951 MODULE_ALIAS("snd-hda-codec-id:10de0067");
1952 MODULE_ALIAS("snd-hda-codec-id:10de8001");
1953 MODULE_ALIAS("snd-hda-codec-id:17e80047");
1954 MODULE_ALIAS("snd-hda-codec-id:80860054");
1955 MODULE_ALIAS("snd-hda-codec-id:80862801");
1956 MODULE_ALIAS("snd-hda-codec-id:80862802");
1957 MODULE_ALIAS("snd-hda-codec-id:80862803");
1958 MODULE_ALIAS("snd-hda-codec-id:80862804");
1959 MODULE_ALIAS("snd-hda-codec-id:80862805");
1960 MODULE_ALIAS("snd-hda-codec-id:80862806");
1961 MODULE_ALIAS("snd-hda-codec-id:808629fb");
1962
1963 MODULE_LICENSE("GPL");
1964 MODULE_DESCRIPTION("HDMI HD-audio codec");
1965 MODULE_ALIAS("snd-hda-codec-intelhdmi");
1966 MODULE_ALIAS("snd-hda-codec-nvhdmi");
1967 MODULE_ALIAS("snd-hda-codec-atihdmi");
1968
1969 static struct hda_codec_preset_list intel_list = {
1970         .preset = snd_hda_preset_hdmi,
1971         .owner = THIS_MODULE,
1972 };
1973
1974 static int __init patch_hdmi_init(void)
1975 {
1976         return snd_hda_add_codec_preset(&intel_list);
1977 }
1978
1979 static void __exit patch_hdmi_exit(void)
1980 {
1981         snd_hda_delete_codec_preset(&intel_list);
1982 }
1983
1984 module_init(patch_hdmi_init)
1985 module_exit(patch_hdmi_exit)