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
 880         /* Validate hinfo */
 881         pin_idx = hinfo_to_pin_index(spec, hinfo);
 882         if (snd_BUG_ON(pin_idx < 0))
 883                 return -EINVAL;
 884         per_pin = &spec->pins[pin_idx];
 885         eld = &per_pin->sink_eld;
 886
 887         /* Dynamically assign converter to stream */
 888         for (cvt_idx = 0; cvt_idx < spec->num_cvts; cvt_idx++) {
 889                 per_cvt = &spec->cvts[cvt_idx];
 890
 891                 /* Must not already be assigned */
 892                 if (per_cvt->assigned)
 893                         continue;
 894                 /* Must be in pin's mux's list of converters */
 895                 for (mux_idx = 0; mux_idx < per_pin->num_mux_nids; mux_idx++)
 896                         if (per_pin->mux_nids[mux_idx] == per_cvt->cvt_nid)
 897                                 break;
 898                 /* Not in mux list */
 899                 if (mux_idx == per_pin->num_mux_nids)
 900                         continue;
 901                 break;
 902         }
 903         /* No free converters */
 904         if (cvt_idx == spec->num_cvts)
 905                 return -ENODEV;
 906
 907         /* Claim converter */
 908         per_cvt->assigned = 1;
 909         hinfo->nid = per_cvt->cvt_nid;
 910
 911         snd_hda_codec_write(codec, per_pin->pin_nid, 0,
 912                             AC_VERB_SET_CONNECT_SEL,
 913                             mux_idx);
 914         snd_hda_spdif_ctls_assign(codec, pin_idx, per_cvt->cvt_nid);
 915
 916         /* Initially set the converter's capabilities */
 917         hinfo->channels_min = per_cvt->channels_min;
 918         hinfo->channels_max = per_cvt->channels_max;
 919         hinfo->rates = per_cvt->rates;
 920         hinfo->formats = per_cvt->formats;
 921         hinfo->maxbps = per_cvt->maxbps;
 922
 923         /* Restrict capabilities by ELD if this isn't disabled */
 924         if (!static_hdmi_pcm && eld->eld_valid) {
 925                 snd_hdmi_eld_update_pcm_info(eld, hinfo);
 926                 if (hinfo->channels_min > hinfo->channels_max ||
 927                     !hinfo->rates || !hinfo->formats)
 928                         return -ENODEV;
 929         }
 930
 931         /* Store the updated parameters */
 932         runtime->hw.channels_min = hinfo->channels_min;
 933         runtime->hw.channels_max = hinfo->channels_max;
 934         runtime->hw.formats = hinfo->formats;
 935         runtime->hw.rates = hinfo->rates;
 936
 937         snd_pcm_hw_constraint_step(substream->runtime, 0,
 938                                    SNDRV_PCM_HW_PARAM_CHANNELS, 2);
 939         return 0;
 940 }
 941
 942 /*
 943  * HDA/HDMI auto parsing
 944  */
 945 static int hdmi_read_pin_conn(struct hda_codec *codec, int pin_idx)
 946 {
 947         struct hdmi_spec *spec = codec->spec;
 948         struct hdmi_spec_per_pin *per_pin = &spec->pins[pin_idx];
 949         hda_nid_t pin_nid = per_pin->pin_nid;
 950
 951         if (!(get_wcaps(codec, pin_nid) & AC_WCAP_CONN_LIST)) {
 952                 snd_printk(KERN_WARNING
 953                            "HDMI: pin %d wcaps %#x "
 954                            "does not support connection list\n",
 955                            pin_nid, get_wcaps(codec, pin_nid));
 956                 return -EINVAL;
 957         }
 958
 959         per_pin->num_mux_nids = snd_hda_get_connections(codec, pin_nid,
 960                                                         per_pin->mux_nids,
 961                                                         HDA_MAX_CONNECTIONS);
 962
 963         return 0;
 964 }
 965
 966 static void hdmi_present_sense(struct hdmi_spec_per_pin *per_pin, int repoll)
 967 {
 968         struct hda_codec *codec = per_pin->codec;
 969         struct hdmi_eld *eld = &per_pin->sink_eld;
 970         hda_nid_t pin_nid = per_pin->pin_nid;
 971         /*
 972          * Always execute a GetPinSense verb here, even when called from
 973          * hdmi_intrinsic_event; for some NVIDIA HW, the unsolicited
 974          * response's PD bit is not the real PD value, but indicates that
 975          * the real PD value changed. An older version of the HD-audio
 976          * specification worked this way. Hence, we just ignore the data in
 977          * the unsolicited response to avoid custom WARs.
 978          */
 979         int present = snd_hda_pin_sense(codec, pin_nid);
 980         bool eld_valid = false;
 981
 982         memset(eld, 0, offsetof(struct hdmi_eld, eld_buffer));
 983
 984         eld->monitor_present    = !!(present & AC_PINSENSE_PRESENCE);
 985         if (eld->monitor_present)
 986                 eld_valid       = !!(present & AC_PINSENSE_ELDV);
 987
 988         _snd_printd(SND_PR_VERBOSE,
 989                 "HDMI status: Codec=%d Pin=%d Presence_Detect=%d ELD_Valid=%d\n",
 990                 codec->addr, pin_nid, eld->monitor_present, eld_valid);
 991
 992         if (eld_valid) {
 993                 if (!snd_hdmi_get_eld(eld, codec, pin_nid))
 994                         snd_hdmi_show_eld(eld);
 995                 else if (repoll) {
 996                         queue_delayed_work(codec->bus->workq,
 997                                            &per_pin->work,
 998                                            msecs_to_jiffies(300));
 999                 }
1000         }
1001 }
1002
1003 static void hdmi_repoll_eld(struct work_struct *work)
1004 {
1005         struct hdmi_spec_per_pin *per_pin =
1006         container_of(to_delayed_work(work), struct hdmi_spec_per_pin, work);
1007
1008         if (per_pin->repoll_count++ > 6)
1009                 per_pin->repoll_count = 0;
1010
1011         hdmi_present_sense(per_pin, per_pin->repoll_count);
1012 }
1013
1014 static int hdmi_add_pin(struct hda_codec *codec, hda_nid_t pin_nid)
1015 {
1016         struct hdmi_spec *spec = codec->spec;
1017         unsigned int caps, config;
1018         int pin_idx;
1019         struct hdmi_spec_per_pin *per_pin;
1020         int err;
1021
1022         caps = snd_hda_param_read(codec, pin_nid, AC_PAR_PIN_CAP);
1023         if (!(caps & (AC_PINCAP_HDMI | AC_PINCAP_DP)))
1024                 return 0;
1025
1026         config = snd_hda_codec_read(codec, pin_nid, 0,
1027                                 AC_VERB_GET_CONFIG_DEFAULT, 0);
1028         if (get_defcfg_connect(config) == AC_JACK_PORT_NONE)
1029                 return 0;
1030
1031         if (snd_BUG_ON(spec->num_pins >= MAX_HDMI_PINS))
1032                 return -E2BIG;
1033
1034         pin_idx = spec->num_pins;
1035         per_pin = &spec->pins[pin_idx];
1036
1037         per_pin->pin_nid = pin_nid;
1038
1039         err = hdmi_read_pin_conn(codec, pin_idx);
1040         if (err < 0)
1041                 return err;
1042
1043         spec->num_pins++;
1044
1045         return 0;
1046 }
1047
1048 static int hdmi_add_cvt(struct hda_codec *codec, hda_nid_t cvt_nid)
1049 {
1050         struct hdmi_spec *spec = codec->spec;
1051         int cvt_idx;
1052         struct hdmi_spec_per_cvt *per_cvt;
1053         unsigned int chans;
1054         int err;
1055
1056         if (snd_BUG_ON(spec->num_cvts >= MAX_HDMI_CVTS))
1057                 return -E2BIG;
1058
1059         chans = get_wcaps(codec, cvt_nid);
1060         chans = get_wcaps_channels(chans);
1061
1062         cvt_idx = spec->num_cvts;
1063         per_cvt = &spec->cvts[cvt_idx];
1064
1065         per_cvt->cvt_nid = cvt_nid;
1066         per_cvt->channels_min = 2;
1067         if (chans <= 16)
1068                 per_cvt->channels_max = chans;
1069
1070         err = snd_hda_query_supported_pcm(codec, cvt_nid,
1071                                           &per_cvt->rates,
1072                                           &per_cvt->formats,
1073                                           &per_cvt->maxbps);
1074         if (err < 0)
1075                 return err;
1076
1077         spec->num_cvts++;
1078
1079         return 0;
1080 }
1081
1082 static int hdmi_parse_codec(struct hda_codec *codec)
1083 {
1084         hda_nid_t nid;
1085         int i, nodes;
1086
1087         nodes = snd_hda_get_sub_nodes(codec, codec->afg, &nid);
1088         if (!nid || nodes < 0) {
1089                 snd_printk(KERN_WARNING "HDMI: failed to get afg sub nodes\n");
1090                 return -EINVAL;
1091         }
1092
1093         for (i = 0; i < nodes; i++, nid++) {
1094                 unsigned int caps;
1095                 unsigned int type;
1096
1097                 caps = snd_hda_param_read(codec, nid, AC_PAR_AUDIO_WIDGET_CAP);
1098                 type = get_wcaps_type(caps);
1099
1100                 if (!(caps & AC_WCAP_DIGITAL))
1101                         continue;
1102
1103                 switch (type) {
1104                 case AC_WID_AUD_OUT:
1105                         hdmi_add_cvt(codec, nid);
1106                         break;
1107                 case AC_WID_PIN:
1108                         hdmi_add_pin(codec, nid);
1109                         break;
1110                 }
1111         }
1112
1113         /*
1114          * G45/IbexPeak don't support EPSS: the unsolicited pin hot plug event
1115          * can be lost and presence sense verb will become inaccurate if the
1116          * HDA link is powered off at hot plug or hw initialization time.
1117          */
1118 #ifdef CONFIG_SND_HDA_POWER_SAVE
1119         if (!(snd_hda_param_read(codec, codec->afg, AC_PAR_POWER_STATE) &
1120               AC_PWRST_EPSS))
1121                 codec->bus->power_keep_link_on = 1;
1122 #endif
1123
1124         return 0;
1125 }
1126
1127 /*
1128  */
1129 static char *get_hdmi_pcm_name(int idx)
1130 {
1131         static char names[MAX_HDMI_PINS][8];
1132         sprintf(&names[idx][0], "HDMI %d", idx);
1133         return &names[idx][0];
1134 }
1135
1136 /*
1137  * HDMI callbacks
1138  */
1139
1140 static int generic_hdmi_playback_pcm_prepare(struct hda_pcm_stream *hinfo,
1141                                            struct hda_codec *codec,
1142                                            unsigned int stream_tag,
1143                                            unsigned int format,
1144                                            struct snd_pcm_substream *substream)
1145 {
1146         hda_nid_t cvt_nid = hinfo->nid;
1147         struct hdmi_spec *spec = codec->spec;
1148         int pin_idx = hinfo_to_pin_index(spec, hinfo);
1149         hda_nid_t pin_nid = spec->pins[pin_idx].pin_nid;
1150         int pinctl;
1151
1152         hdmi_set_channel_count(codec, cvt_nid, substream->runtime->channels);
1153
1154         hdmi_setup_audio_infoframe(codec, pin_idx, substream);
1155
1156         pinctl = snd_hda_codec_read(codec, pin_nid, 0,
1157                                     AC_VERB_GET_PIN_WIDGET_CONTROL, 0);
1158         snd_hda_codec_write(codec, pin_nid, 0,
1159                             AC_VERB_SET_PIN_WIDGET_CONTROL, pinctl | PIN_OUT);
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         snd_hda_codec_cleanup_stream(codec, hinfo->nid);
1169         return 0;
1170 }
1171
1172 static int hdmi_pcm_close(struct hda_pcm_stream *hinfo,
1173                           struct hda_codec *codec,
1174                           struct snd_pcm_substream *substream)
1175 {
1176         struct hdmi_spec *spec = codec->spec;
1177         int cvt_idx, pin_idx;
1178         struct hdmi_spec_per_cvt *per_cvt;
1179         struct hdmi_spec_per_pin *per_pin;
1180         int pinctl;
1181
1182         if (hinfo->nid) {
1183                 cvt_idx = cvt_nid_to_cvt_index(spec, hinfo->nid);
1184                 if (snd_BUG_ON(cvt_idx < 0))
1185                         return -EINVAL;
1186                 per_cvt = &spec->cvts[cvt_idx];
1187
1188                 snd_BUG_ON(!per_cvt->assigned);
1189                 per_cvt->assigned = 0;
1190                 hinfo->nid = 0;
1191
1192                 pin_idx = hinfo_to_pin_index(spec, hinfo);
1193                 if (snd_BUG_ON(pin_idx < 0))
1194                         return -EINVAL;
1195                 per_pin = &spec->pins[pin_idx];
1196
1197                 pinctl = snd_hda_codec_read(codec, per_pin->pin_nid, 0,
1198                                             AC_VERB_GET_PIN_WIDGET_CONTROL, 0);
1199                 snd_hda_codec_write(codec, per_pin->pin_nid, 0,
1200                                     AC_VERB_SET_PIN_WIDGET_CONTROL,
1201                                     pinctl & ~PIN_OUT);
1202                 snd_hda_spdif_ctls_unassign(codec, pin_idx);
1203         }
1204         return 0;
1205 }
1206
1207 static const struct hda_pcm_ops generic_ops = {
1208         .open = hdmi_pcm_open,
1209         .close = hdmi_pcm_close,
1210         .prepare = generic_hdmi_playback_pcm_prepare,
1211         .cleanup = generic_hdmi_playback_pcm_cleanup,
1212 };
1213
1214 static int generic_hdmi_build_pcms(struct hda_codec *codec)
1215 {
1216         struct hdmi_spec *spec = codec->spec;
1217         int pin_idx;
1218
1219         for (pin_idx = 0; pin_idx < spec->num_pins; pin_idx++) {
1220                 struct hda_pcm *info;
1221                 struct hda_pcm_stream *pstr;
1222
1223                 info = &spec->pcm_rec[pin_idx];
1224                 info->name = get_hdmi_pcm_name(pin_idx);
1225                 info->pcm_type = HDA_PCM_TYPE_HDMI;
1226
1227                 pstr = &info->stream[SNDRV_PCM_STREAM_PLAYBACK];
1228                 pstr->substreams = 1;
1229                 pstr->ops = generic_ops;
1230                 /* other pstr fields are set in open */
1231         }
1232
1233         codec->num_pcms = spec->num_pins;
1234         codec->pcm_info = spec->pcm_rec;
1235
1236         return 0;
1237 }
1238
1239 static int generic_hdmi_build_jack(struct hda_codec *codec, int pin_idx)
1240 {
1241         char hdmi_str[32] = "HDMI/DP";
1242         struct hdmi_spec *spec = codec->spec;
1243         struct hdmi_spec_per_pin *per_pin = &spec->pins[pin_idx];
1244         int pcmdev = spec->pcm_rec[pin_idx].device;
1245
1246         if (pcmdev > 0)
1247                 sprintf(hdmi_str + strlen(hdmi_str), ",pcm=%d", pcmdev);
1248
1249         return snd_hda_jack_add_kctl(codec, per_pin->pin_nid, hdmi_str, 0);
1250 }
1251
1252 static int generic_hdmi_build_controls(struct hda_codec *codec)
1253 {
1254         struct hdmi_spec *spec = codec->spec;
1255         int err;
1256         int pin_idx;
1257
1258         for (pin_idx = 0; pin_idx < spec->num_pins; pin_idx++) {
1259                 struct hdmi_spec_per_pin *per_pin = &spec->pins[pin_idx];
1260
1261                 err = generic_hdmi_build_jack(codec, pin_idx);
1262                 if (err < 0)
1263                         return err;
1264
1265                 err = snd_hda_create_spdif_out_ctls(codec,
1266                                                     per_pin->pin_nid,
1267                                                     per_pin->mux_nids[0]);
1268                 if (err < 0)
1269                         return err;
1270                 snd_hda_spdif_ctls_unassign(codec, pin_idx);
1271
1272                 /* add control for ELD Bytes */
1273                 err = hdmi_create_eld_ctl(codec,
1274                                         pin_idx,
1275                                         spec->pcm_rec[pin_idx].device);
1276
1277                 if (err < 0)
1278                         return err;
1279
1280                 hdmi_present_sense(per_pin, 0);
1281         }
1282
1283         return 0;
1284 }
1285
1286 static int generic_hdmi_init_per_pins(struct hda_codec *codec)
1287 {
1288         struct hdmi_spec *spec = codec->spec;
1289         int pin_idx;
1290
1291         for (pin_idx = 0; pin_idx < spec->num_pins; pin_idx++) {
1292                 struct hdmi_spec_per_pin *per_pin = &spec->pins[pin_idx];
1293                 struct hdmi_eld *eld = &per_pin->sink_eld;
1294
1295                 per_pin->codec = codec;
1296                 INIT_DELAYED_WORK(&per_pin->work, hdmi_repoll_eld);
1297                 snd_hda_eld_proc_new(codec, eld, pin_idx);
1298         }
1299         return 0;
1300 }
1301
1302 static int generic_hdmi_init(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                 hda_nid_t pin_nid = per_pin->pin_nid;
1310
1311                 hdmi_init_pin(codec, pin_nid);
1312                 snd_hda_jack_detect_enable(codec, pin_nid, pin_nid);
1313         }
1314         snd_hda_jack_report_sync(codec);
1315         return 0;
1316 }
1317
1318 static void generic_hdmi_free(struct hda_codec *codec)
1319 {
1320         struct hdmi_spec *spec = codec->spec;
1321         int pin_idx;
1322
1323         for (pin_idx = 0; pin_idx < spec->num_pins; pin_idx++) {
1324                 struct hdmi_spec_per_pin *per_pin = &spec->pins[pin_idx];
1325                 struct hdmi_eld *eld = &per_pin->sink_eld;
1326
1327                 cancel_delayed_work(&per_pin->work);
1328                 snd_hda_eld_proc_free(codec, eld);
1329         }
1330
1331         flush_workqueue(codec->bus->workq);
1332         kfree(spec);
1333 }
1334
1335 static const struct hda_codec_ops generic_hdmi_patch_ops = {
1336         .init                   = generic_hdmi_init,
1337         .free                   = generic_hdmi_free,
1338         .build_pcms             = generic_hdmi_build_pcms,
1339         .build_controls         = generic_hdmi_build_controls,
1340         .unsol_event            = hdmi_unsol_event,
1341 };
1342
1343 static int patch_generic_hdmi(struct hda_codec *codec)
1344 {
1345         struct hdmi_spec *spec;
1346
1347         spec = kzalloc(sizeof(*spec), GFP_KERNEL);
1348         if (spec == NULL)
1349                 return -ENOMEM;
1350
1351         codec->spec = spec;
1352         if (hdmi_parse_codec(codec) < 0) {
1353                 codec->spec = NULL;
1354                 kfree(spec);
1355                 return -EINVAL;
1356         }
1357         codec->patch_ops = generic_hdmi_patch_ops;
1358         generic_hdmi_init_per_pins(codec);
1359
1360         init_channel_allocations();
1361
1362         return 0;
1363 }
1364
1365 /*
1366  * Shared non-generic implementations
1367  */
1368
1369 static int simple_playback_build_pcms(struct hda_codec *codec)
1370 {
1371         struct hdmi_spec *spec = codec->spec;
1372         struct hda_pcm *info = spec->pcm_rec;
1373         unsigned int chans;
1374         struct hda_pcm_stream *pstr;
1375
1376         codec->num_pcms = 1;
1377         codec->pcm_info = info;
1378
1379         chans = get_wcaps(codec, spec->cvts[0].cvt_nid);
1380         chans = get_wcaps_channels(chans);
1381
1382         info->name = get_hdmi_pcm_name(0);
1383         info->pcm_type = HDA_PCM_TYPE_HDMI;
1384         pstr = &info->stream[SNDRV_PCM_STREAM_PLAYBACK];
1385         *pstr = spec->pcm_playback;
1386         pstr->nid = spec->cvts[0].cvt_nid;
1387         if (pstr->channels_max <= 2 && chans && chans <= 16)
1388                 pstr->channels_max = chans;
1389
1390         return 0;
1391 }
1392
1393 /* unsolicited event for jack sensing */
1394 static void simple_hdmi_unsol_event(struct hda_codec *codec,
1395                                     unsigned int res)
1396 {
1397         snd_hda_jack_set_dirty_all(codec);
1398         snd_hda_jack_report_sync(codec);
1399 }
1400
1401 /* generic_hdmi_build_jack can be used for simple_hdmi, too,
1402  * as long as spec->pins[] is set correctly
1403  */
1404 #define simple_hdmi_build_jack  generic_hdmi_build_jack
1405
1406 static int simple_playback_build_controls(struct hda_codec *codec)
1407 {
1408         struct hdmi_spec *spec = codec->spec;
1409         int err;
1410
1411         err = snd_hda_create_spdif_out_ctls(codec,
1412                                             spec->cvts[0].cvt_nid,
1413                                             spec->cvts[0].cvt_nid);
1414         if (err < 0)
1415                 return err;
1416         return simple_hdmi_build_jack(codec, 0);
1417 }
1418
1419 static int simple_playback_init(struct hda_codec *codec)
1420 {
1421         struct hdmi_spec *spec = codec->spec;
1422         hda_nid_t pin = spec->pins[0].pin_nid;
1423
1424         snd_hda_codec_write(codec, pin, 0,
1425                             AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_OUT);
1426         /* some codecs require to unmute the pin */
1427         if (get_wcaps(codec, pin) & AC_WCAP_OUT_AMP)
1428                 snd_hda_codec_write(codec, pin, 0, AC_VERB_SET_AMP_GAIN_MUTE,
1429                                     AMP_OUT_UNMUTE);
1430         snd_hda_jack_detect_enable(codec, pin, pin);
1431         snd_hda_jack_report_sync(codec);
1432         return 0;
1433 }
1434
1435 static void simple_playback_free(struct hda_codec *codec)
1436 {
1437         struct hdmi_spec *spec = codec->spec;
1438
1439         kfree(spec);
1440 }
1441
1442 /*
1443  * Nvidia specific implementations
1444  */
1445
1446 #define Nv_VERB_SET_Channel_Allocation          0xF79
1447 #define Nv_VERB_SET_Info_Frame_Checksum         0xF7A
1448 #define Nv_VERB_SET_Audio_Protection_On         0xF98
1449 #define Nv_VERB_SET_Audio_Protection_Off        0xF99
1450
1451 #define nvhdmi_master_con_nid_7x        0x04
1452 #define nvhdmi_master_pin_nid_7x        0x05
1453
1454 static const hda_nid_t nvhdmi_con_nids_7x[4] = {
1455         /*front, rear, clfe, rear_surr */
1456         0x6, 0x8, 0xa, 0xc,
1457 };
1458
1459 static const struct hda_verb nvhdmi_basic_init_7x_2ch[] = {
1460         /* set audio protect on */
1461         { 0x1, Nv_VERB_SET_Audio_Protection_On, 0x1},
1462         /* enable digital output on pin widget */
1463         { 0x5, AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_OUT | 0x5 },
1464         {} /* terminator */
1465 };
1466
1467 static const struct hda_verb nvhdmi_basic_init_7x_8ch[] = {
1468         /* set audio protect on */
1469         { 0x1, Nv_VERB_SET_Audio_Protection_On, 0x1},
1470         /* enable digital output on pin widget */
1471         { 0x5, AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_OUT | 0x5 },
1472         { 0x7, AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_OUT | 0x5 },
1473         { 0x9, AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_OUT | 0x5 },
1474         { 0xb, AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_OUT | 0x5 },
1475         { 0xd, AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_OUT | 0x5 },
1476         {} /* terminator */
1477 };
1478
1479 #ifdef LIMITED_RATE_FMT_SUPPORT
1480 /* support only the safe format and rate */
1481 #define SUPPORTED_RATES         SNDRV_PCM_RATE_48000
1482 #define SUPPORTED_MAXBPS        16
1483 #define SUPPORTED_FORMATS       SNDRV_PCM_FMTBIT_S16_LE
1484 #else
1485 /* support all rates and formats */
1486 #define SUPPORTED_RATES \
1487         (SNDRV_PCM_RATE_32000 | SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_48000 |\
1488         SNDRV_PCM_RATE_88200 | SNDRV_PCM_RATE_96000 | SNDRV_PCM_RATE_176400 |\
1489          SNDRV_PCM_RATE_192000)
1490 #define SUPPORTED_MAXBPS        24
1491 #define SUPPORTED_FORMATS \
1492         (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S32_LE)
1493 #endif
1494
1495 static int nvhdmi_7x_init_2ch(struct hda_codec *codec)
1496 {
1497         snd_hda_sequence_write(codec, nvhdmi_basic_init_7x_2ch);
1498         return 0;
1499 }
1500
1501 static int nvhdmi_7x_init_8ch(struct hda_codec *codec)
1502 {
1503         snd_hda_sequence_write(codec, nvhdmi_basic_init_7x_8ch);
1504         return 0;
1505 }
1506
1507 static unsigned int channels_2_6_8[] = {
1508         2, 6, 8
1509 };
1510
1511 static unsigned int channels_2_8[] = {
1512         2, 8
1513 };
1514
1515 static struct snd_pcm_hw_constraint_list hw_constraints_2_6_8_channels = {
1516         .count = ARRAY_SIZE(channels_2_6_8),
1517         .list = channels_2_6_8,
1518         .mask = 0,
1519 };
1520
1521 static struct snd_pcm_hw_constraint_list hw_constraints_2_8_channels = {
1522         .count = ARRAY_SIZE(channels_2_8),
1523         .list = channels_2_8,
1524         .mask = 0,
1525 };
1526
1527 static int simple_playback_pcm_open(struct hda_pcm_stream *hinfo,
1528                                     struct hda_codec *codec,
1529                                     struct snd_pcm_substream *substream)
1530 {
1531         struct hdmi_spec *spec = codec->spec;
1532         struct snd_pcm_hw_constraint_list *hw_constraints_channels = NULL;
1533
1534         switch (codec->preset->id) {
1535         case 0x10de0002:
1536         case 0x10de0003:
1537         case 0x10de0005:
1538         case 0x10de0006:
1539                 hw_constraints_channels = &hw_constraints_2_8_channels;
1540                 break;
1541         case 0x10de0007:
1542                 hw_constraints_channels = &hw_constraints_2_6_8_channels;
1543                 break;
1544         default:
1545                 break;
1546         }
1547
1548         if (hw_constraints_channels != NULL) {
1549                 snd_pcm_hw_constraint_list(substream->runtime, 0,
1550                                 SNDRV_PCM_HW_PARAM_CHANNELS,
1551                                 hw_constraints_channels);
1552         } else {
1553                 snd_pcm_hw_constraint_step(substream->runtime, 0,
1554                                            SNDRV_PCM_HW_PARAM_CHANNELS, 2);
1555         }
1556
1557         return snd_hda_multi_out_dig_open(codec, &spec->multiout);
1558 }
1559
1560 static int simple_playback_pcm_close(struct hda_pcm_stream *hinfo,
1561                                      struct hda_codec *codec,
1562                                      struct snd_pcm_substream *substream)
1563 {
1564         struct hdmi_spec *spec = codec->spec;
1565         return snd_hda_multi_out_dig_close(codec, &spec->multiout);
1566 }
1567
1568 static int simple_playback_pcm_prepare(struct hda_pcm_stream *hinfo,
1569                                        struct hda_codec *codec,
1570                                        unsigned int stream_tag,
1571                                        unsigned int format,
1572                                        struct snd_pcm_substream *substream)
1573 {
1574         struct hdmi_spec *spec = codec->spec;
1575         return snd_hda_multi_out_dig_prepare(codec, &spec->multiout,
1576                                              stream_tag, format, substream);
1577 }
1578
1579 static const struct hda_pcm_stream simple_pcm_playback = {
1580         .substreams = 1,
1581         .channels_min = 2,
1582         .channels_max = 2,
1583         .ops = {
1584                 .open = simple_playback_pcm_open,
1585                 .close = simple_playback_pcm_close,
1586                 .prepare = simple_playback_pcm_prepare
1587         },
1588 };
1589
1590 static const struct hda_codec_ops simple_hdmi_patch_ops = {
1591         .build_controls = simple_playback_build_controls,
1592         .build_pcms = simple_playback_build_pcms,
1593         .init = simple_playback_init,
1594         .free = simple_playback_free,
1595         .unsol_event = simple_hdmi_unsol_event,
1596 };
1597
1598 static int patch_simple_hdmi(struct hda_codec *codec,
1599                              hda_nid_t cvt_nid, hda_nid_t pin_nid)
1600 {
1601         struct hdmi_spec *spec;
1602
1603         spec = kzalloc(sizeof(*spec), GFP_KERNEL);
1604         if (!spec)
1605                 return -ENOMEM;
1606
1607         codec->spec = spec;
1608
1609         spec->multiout.num_dacs = 0;  /* no analog */
1610         spec->multiout.max_channels = 2;
1611         spec->multiout.dig_out_nid = cvt_nid;
1612         spec->num_cvts = 1;
1613         spec->num_pins = 1;
1614         spec->cvts[0].cvt_nid = cvt_nid;
1615         spec->pins[0].pin_nid = pin_nid;
1616         spec->pcm_playback = simple_pcm_playback;
1617
1618         codec->patch_ops = simple_hdmi_patch_ops;
1619
1620         return 0;
1621 }
1622
1623 static void nvhdmi_8ch_7x_set_info_frame_parameters(struct hda_codec *codec,
1624                                                     int channels)
1625 {
1626         unsigned int chanmask;
1627         int chan = channels ? (channels - 1) : 1;
1628
1629         switch (channels) {
1630         default:
1631         case 0:
1632         case 2:
1633                 chanmask = 0x00;
1634                 break;
1635         case 4:
1636                 chanmask = 0x08;
1637                 break;
1638         case 6:
1639                 chanmask = 0x0b;
1640                 break;
1641         case 8:
1642                 chanmask = 0x13;
1643                 break;
1644         }
1645
1646         /* Set the audio infoframe channel allocation and checksum fields.  The
1647          * channel count is computed implicitly by the hardware. */
1648         snd_hda_codec_write(codec, 0x1, 0,
1649                         Nv_VERB_SET_Channel_Allocation, chanmask);
1650
1651         snd_hda_codec_write(codec, 0x1, 0,
1652                         Nv_VERB_SET_Info_Frame_Checksum,
1653                         (0x71 - chan - chanmask));
1654 }
1655
1656 static int nvhdmi_8ch_7x_pcm_close(struct hda_pcm_stream *hinfo,
1657                                    struct hda_codec *codec,
1658                                    struct snd_pcm_substream *substream)
1659 {
1660         struct hdmi_spec *spec = codec->spec;
1661         int i;
1662
1663         snd_hda_codec_write(codec, nvhdmi_master_con_nid_7x,
1664                         0, AC_VERB_SET_CHANNEL_STREAMID, 0);
1665         for (i = 0; i < 4; i++) {
1666                 /* set the stream id */
1667                 snd_hda_codec_write(codec, nvhdmi_con_nids_7x[i], 0,
1668                                 AC_VERB_SET_CHANNEL_STREAMID, 0);
1669                 /* set the stream format */
1670                 snd_hda_codec_write(codec, nvhdmi_con_nids_7x[i], 0,
1671                                 AC_VERB_SET_STREAM_FORMAT, 0);
1672         }
1673
1674         /* The audio hardware sends a channel count of 0x7 (8ch) when all the
1675          * streams are disabled. */
1676         nvhdmi_8ch_7x_set_info_frame_parameters(codec, 8);
1677
1678         return snd_hda_multi_out_dig_close(codec, &spec->multiout);
1679 }
1680
1681 static int nvhdmi_8ch_7x_pcm_prepare(struct hda_pcm_stream *hinfo,
1682                                      struct hda_codec *codec,
1683                                      unsigned int stream_tag,
1684                                      unsigned int format,
1685                                      struct snd_pcm_substream *substream)
1686 {
1687         int chs;
1688         unsigned int dataDCC2, channel_id;
1689         int i;
1690         struct hdmi_spec *spec = codec->spec;
1691         struct hda_spdif_out *spdif;
1692
1693         mutex_lock(&codec->spdif_mutex);
1694         spdif = snd_hda_spdif_out_of_nid(codec, spec->cvts[0].cvt_nid);
1695
1696         chs = substream->runtime->channels;
1697
1698         dataDCC2 = 0x2;
1699
1700         /* turn off SPDIF once; otherwise the IEC958 bits won't be updated */
1701         if (codec->spdif_status_reset && (spdif->ctls & AC_DIG1_ENABLE))
1702                 snd_hda_codec_write(codec,
1703                                 nvhdmi_master_con_nid_7x,
1704                                 0,
1705                                 AC_VERB_SET_DIGI_CONVERT_1,
1706                                 spdif->ctls & ~AC_DIG1_ENABLE & 0xff);
1707
1708         /* set the stream id */
1709         snd_hda_codec_write(codec, nvhdmi_master_con_nid_7x, 0,
1710                         AC_VERB_SET_CHANNEL_STREAMID, (stream_tag << 4) | 0x0);
1711
1712         /* set the stream format */
1713         snd_hda_codec_write(codec, nvhdmi_master_con_nid_7x, 0,
1714                         AC_VERB_SET_STREAM_FORMAT, format);
1715
1716         /* turn on again (if needed) */
1717         /* enable and set the channel status audio/data flag */
1718         if (codec->spdif_status_reset && (spdif->ctls & AC_DIG1_ENABLE)) {
1719                 snd_hda_codec_write(codec,
1720                                 nvhdmi_master_con_nid_7x,
1721                                 0,
1722                                 AC_VERB_SET_DIGI_CONVERT_1,
1723                                 spdif->ctls & 0xff);
1724                 snd_hda_codec_write(codec,
1725                                 nvhdmi_master_con_nid_7x,
1726                                 0,
1727                                 AC_VERB_SET_DIGI_CONVERT_2, dataDCC2);
1728         }
1729
1730         for (i = 0; i < 4; i++) {
1731                 if (chs == 2)
1732                         channel_id = 0;
1733                 else
1734                         channel_id = i * 2;
1735
1736                 /* turn off SPDIF once;
1737                  *otherwise the IEC958 bits won't be updated
1738                  */
1739                 if (codec->spdif_status_reset &&
1740                 (spdif->ctls & AC_DIG1_ENABLE))
1741                         snd_hda_codec_write(codec,
1742                                 nvhdmi_con_nids_7x[i],
1743                                 0,
1744                                 AC_VERB_SET_DIGI_CONVERT_1,
1745                                 spdif->ctls & ~AC_DIG1_ENABLE & 0xff);
1746                 /* set the stream id */
1747                 snd_hda_codec_write(codec,
1748                                 nvhdmi_con_nids_7x[i],
1749                                 0,
1750                                 AC_VERB_SET_CHANNEL_STREAMID,
1751                                 (stream_tag << 4) | channel_id);
1752                 /* set the stream format */
1753                 snd_hda_codec_write(codec,
1754                                 nvhdmi_con_nids_7x[i],
1755                                 0,
1756                                 AC_VERB_SET_STREAM_FORMAT,
1757                                 format);
1758                 /* turn on again (if needed) */
1759                 /* enable and set the channel status audio/data flag */
1760                 if (codec->spdif_status_reset &&
1761                 (spdif->ctls & AC_DIG1_ENABLE)) {
1762                         snd_hda_codec_write(codec,
1763                                         nvhdmi_con_nids_7x[i],
1764                                         0,
1765                                         AC_VERB_SET_DIGI_CONVERT_1,
1766                                         spdif->ctls & 0xff);
1767                         snd_hda_codec_write(codec,
1768                                         nvhdmi_con_nids_7x[i],
1769                                         0,
1770                                         AC_VERB_SET_DIGI_CONVERT_2, dataDCC2);
1771                 }
1772         }
1773
1774         nvhdmi_8ch_7x_set_info_frame_parameters(codec, chs);
1775
1776         mutex_unlock(&codec->spdif_mutex);
1777         return 0;
1778 }
1779
1780 static const struct hda_pcm_stream nvhdmi_pcm_playback_8ch_7x = {
1781         .substreams = 1,
1782         .channels_min = 2,
1783         .channels_max = 8,
1784         .nid = nvhdmi_master_con_nid_7x,
1785         .rates = SUPPORTED_RATES,
1786         .maxbps = SUPPORTED_MAXBPS,
1787         .formats = SUPPORTED_FORMATS,
1788         .ops = {
1789                 .open = simple_playback_pcm_open,
1790                 .close = nvhdmi_8ch_7x_pcm_close,
1791                 .prepare = nvhdmi_8ch_7x_pcm_prepare
1792         },
1793 };
1794
1795 static int patch_nvhdmi_2ch(struct hda_codec *codec)
1796 {
1797         struct hdmi_spec *spec;
1798         int err = patch_simple_hdmi(codec, nvhdmi_master_con_nid_7x,
1799                                     nvhdmi_master_pin_nid_7x);
1800         if (err < 0)
1801                 return err;
1802
1803         codec->patch_ops.init = nvhdmi_7x_init_2ch;
1804         /* override the PCM rates, etc, as the codec doesn't give full list */
1805         spec = codec->spec;
1806         spec->pcm_playback.rates = SUPPORTED_RATES;
1807         spec->pcm_playback.maxbps = SUPPORTED_MAXBPS;
1808         spec->pcm_playback.formats = SUPPORTED_FORMATS;
1809         return 0;
1810 }
1811
1812 static int patch_nvhdmi_8ch_7x(struct hda_codec *codec)
1813 {
1814         struct hdmi_spec *spec;
1815         int err = patch_nvhdmi_2ch(codec);
1816         if (err < 0)
1817                 return err;
1818         spec = codec->spec;
1819         spec->multiout.max_channels = 8;
1820         spec->pcm_playback = nvhdmi_pcm_playback_8ch_7x;
1821         codec->patch_ops.init = nvhdmi_7x_init_8ch;
1822
1823         /* Initialize the audio infoframe channel mask and checksum to something
1824          * valid */
1825         nvhdmi_8ch_7x_set_info_frame_parameters(codec, 8);
1826
1827         return 0;
1828 }
1829
1830 /*
1831  * ATI-specific implementations
1832  *
1833  * FIXME: we may omit the whole this and use the generic code once after
1834  * it's confirmed to work.
1835  */
1836
1837 #define ATIHDMI_CVT_NID         0x02    /* audio converter */
1838 #define ATIHDMI_PIN_NID         0x03    /* HDMI output pin */
1839
1840 static int atihdmi_playback_pcm_prepare(struct hda_pcm_stream *hinfo,
1841                                         struct hda_codec *codec,
1842                                         unsigned int stream_tag,
1843                                         unsigned int format,
1844                                         struct snd_pcm_substream *substream)
1845 {
1846         struct hdmi_spec *spec = codec->spec;
1847         int chans = substream->runtime->channels;
1848         int i, err;
1849
1850         err = simple_playback_pcm_prepare(hinfo, codec, stream_tag, format,
1851                                           substream);
1852         if (err < 0)
1853                 return err;
1854         snd_hda_codec_write(codec, spec->cvts[0].cvt_nid, 0,
1855                             AC_VERB_SET_CVT_CHAN_COUNT, chans - 1);
1856         /* FIXME: XXX */
1857         for (i = 0; i < chans; i++) {
1858                 snd_hda_codec_write(codec, spec->cvts[0].cvt_nid, 0,
1859                                     AC_VERB_SET_HDMI_CHAN_SLOT,
1860                                     (i << 4) | i);
1861         }
1862         return 0;
1863 }
1864
1865 static int patch_atihdmi(struct hda_codec *codec)
1866 {
1867         struct hdmi_spec *spec;
1868         int err = patch_simple_hdmi(codec, ATIHDMI_CVT_NID, ATIHDMI_PIN_NID);
1869         if (err < 0)
1870                 return err;
1871         spec = codec->spec;
1872         spec->pcm_playback.ops.prepare = atihdmi_playback_pcm_prepare;
1873         return 0;
1874 }
1875
1876 /* VIA HDMI Implementation */
1877 #define VIAHDMI_CVT_NID 0x02    /* audio converter1 */
1878 #define VIAHDMI_PIN_NID 0x03    /* HDMI output pin1 */
1879
1880 static int patch_via_hdmi(struct hda_codec *codec)
1881 {
1882         return patch_simple_hdmi(codec, VIAHDMI_CVT_NID, VIAHDMI_PIN_NID);
1883 }
1884
1885 /*
1886  * patch entries
1887  */
1888 static const struct hda_codec_preset snd_hda_preset_hdmi[] = {
1889 { .id = 0x1002793c, .name = "RS600 HDMI",       .patch = patch_atihdmi },
1890 { .id = 0x10027919, .name = "RS600 HDMI",       .patch = patch_atihdmi },
1891 { .id = 0x1002791a, .name = "RS690/780 HDMI",   .patch = patch_atihdmi },
1892 { .id = 0x1002aa01, .name = "R6xx HDMI",        .patch = patch_generic_hdmi },
1893 { .id = 0x10951390, .name = "SiI1390 HDMI",     .patch = patch_generic_hdmi },
1894 { .id = 0x10951392, .name = "SiI1392 HDMI",     .patch = patch_generic_hdmi },
1895 { .id = 0x17e80047, .name = "Chrontel HDMI",    .patch = patch_generic_hdmi },
1896 { .id = 0x10de0002, .name = "MCP77/78 HDMI",    .patch = patch_nvhdmi_8ch_7x },
1897 { .id = 0x10de0003, .name = "MCP77/78 HDMI",    .patch = patch_nvhdmi_8ch_7x },
1898 { .id = 0x10de0005, .name = "MCP77/78 HDMI",    .patch = patch_nvhdmi_8ch_7x },
1899 { .id = 0x10de0006, .name = "MCP77/78 HDMI",    .patch = patch_nvhdmi_8ch_7x },
1900 { .id = 0x10de0007, .name = "MCP79/7A HDMI",    .patch = patch_nvhdmi_8ch_7x },
1901 { .id = 0x10de000a, .name = "GPU 0a HDMI/DP",   .patch = patch_generic_hdmi },
1902 { .id = 0x10de000b, .name = "GPU 0b HDMI/DP",   .patch = patch_generic_hdmi },
1903 { .id = 0x10de000c, .name = "MCP89 HDMI",       .patch = patch_generic_hdmi },
1904 { .id = 0x10de000d, .name = "GPU 0d HDMI/DP",   .patch = patch_generic_hdmi },
1905 { .id = 0x10de0010, .name = "GPU 10 HDMI/DP",   .patch = patch_generic_hdmi },
1906 { .id = 0x10de0011, .name = "GPU 11 HDMI/DP",   .patch = patch_generic_hdmi },
1907 { .id = 0x10de0012, .name = "GPU 12 HDMI/DP",   .patch = patch_generic_hdmi },
1908 { .id = 0x10de0013, .name = "GPU 13 HDMI/DP",   .patch = patch_generic_hdmi },
1909 { .id = 0x10de0014, .name = "GPU 14 HDMI/DP",   .patch = patch_generic_hdmi },
1910 { .id = 0x10de0015, .name = "GPU 15 HDMI/DP",   .patch = patch_generic_hdmi },
1911 { .id = 0x10de0016, .name = "GPU 16 HDMI/DP",   .patch = patch_generic_hdmi },
1912 /* 17 is known to be absent */
1913 { .id = 0x10de0018, .name = "GPU 18 HDMI/DP",   .patch = patch_generic_hdmi },
1914 { .id = 0x10de0019, .name = "GPU 19 HDMI/DP",   .patch = patch_generic_hdmi },
1915 { .id = 0x10de001a, .name = "GPU 1a HDMI/DP",   .patch = patch_generic_hdmi },
1916 { .id = 0x10de001b, .name = "GPU 1b HDMI/DP",   .patch = patch_generic_hdmi },
1917 { .id = 0x10de001c, .name = "GPU 1c HDMI/DP",   .patch = patch_generic_hdmi },
1918 { .id = 0x10de0040, .name = "GPU 40 HDMI/DP",   .patch = patch_generic_hdmi },
1919 { .id = 0x10de0041, .name = "GPU 41 HDMI/DP",   .patch = patch_generic_hdmi },
1920 { .id = 0x10de0042, .name = "GPU 42 HDMI/DP",   .patch = patch_generic_hdmi },
1921 { .id = 0x10de0043, .name = "GPU 43 HDMI/DP",   .patch = patch_generic_hdmi },
1922 { .id = 0x10de0044, .name = "GPU 44 HDMI/DP",   .patch = patch_generic_hdmi },
1923 { .id = 0x10de0051, .name = "GPU 51 HDMI/DP",   .patch = patch_generic_hdmi },
1924 { .id = 0x10de0067, .name = "MCP67 HDMI",       .patch = patch_nvhdmi_2ch },
1925 { .id = 0x10de8001, .name = "MCP73 HDMI",       .patch = patch_nvhdmi_2ch },
1926 { .id = 0x11069f80, .name = "VX900 HDMI/DP",    .patch = patch_via_hdmi },
1927 { .id = 0x11069f81, .name = "VX900 HDMI/DP",    .patch = patch_via_hdmi },
1928 { .id = 0x11069f84, .name = "VX11 HDMI/DP",     .patch = patch_generic_hdmi },
1929 { .id = 0x11069f85, .name = "VX11 HDMI/DP",     .patch = patch_generic_hdmi },
1930 { .id = 0x80860054, .name = "IbexPeak HDMI",    .patch = patch_generic_hdmi },
1931 { .id = 0x80862801, .name = "Bearlake HDMI",    .patch = patch_generic_hdmi },
1932 { .id = 0x80862802, .name = "Cantiga HDMI",     .patch = patch_generic_hdmi },
1933 { .id = 0x80862803, .name = "Eaglelake HDMI",   .patch = patch_generic_hdmi },
1934 { .id = 0x80862804, .name = "IbexPeak HDMI",    .patch = patch_generic_hdmi },
1935 { .id = 0x80862805, .name = "CougarPoint HDMI", .patch = patch_generic_hdmi },
1936 { .id = 0x80862806, .name = "PantherPoint HDMI", .patch = patch_generic_hdmi },
1937 { .id = 0x80862807, .name = "Haswell HDMI",     .patch = patch_generic_hdmi },
1938 { .id = 0x80862880, .name = "CedarTrail HDMI",  .patch = patch_generic_hdmi },
1939 { .id = 0x808629fb, .name = "Crestline HDMI",   .patch = patch_generic_hdmi },
1940 {} /* terminator */
1941 };
1942
1943 MODULE_ALIAS("snd-hda-codec-id:1002793c");
1944 MODULE_ALIAS("snd-hda-codec-id:10027919");
1945 MODULE_ALIAS("snd-hda-codec-id:1002791a");
1946 MODULE_ALIAS("snd-hda-codec-id:1002aa01");
1947 MODULE_ALIAS("snd-hda-codec-id:10951390");
1948 MODULE_ALIAS("snd-hda-codec-id:10951392");
1949 MODULE_ALIAS("snd-hda-codec-id:10de0002");
1950 MODULE_ALIAS("snd-hda-codec-id:10de0003");
1951 MODULE_ALIAS("snd-hda-codec-id:10de0005");
1952 MODULE_ALIAS("snd-hda-codec-id:10de0006");
1953 MODULE_ALIAS("snd-hda-codec-id:10de0007");
1954 MODULE_ALIAS("snd-hda-codec-id:10de000a");
1955 MODULE_ALIAS("snd-hda-codec-id:10de000b");
1956 MODULE_ALIAS("snd-hda-codec-id:10de000c");
1957 MODULE_ALIAS("snd-hda-codec-id:10de000d");
1958 MODULE_ALIAS("snd-hda-codec-id:10de0010");
1959 MODULE_ALIAS("snd-hda-codec-id:10de0011");
1960 MODULE_ALIAS("snd-hda-codec-id:10de0012");
1961 MODULE_ALIAS("snd-hda-codec-id:10de0013");
1962 MODULE_ALIAS("snd-hda-codec-id:10de0014");
1963 MODULE_ALIAS("snd-hda-codec-id:10de0015");
1964 MODULE_ALIAS("snd-hda-codec-id:10de0016");
1965 MODULE_ALIAS("snd-hda-codec-id:10de0018");
1966 MODULE_ALIAS("snd-hda-codec-id:10de0019");
1967 MODULE_ALIAS("snd-hda-codec-id:10de001a");
1968 MODULE_ALIAS("snd-hda-codec-id:10de001b");
1969 MODULE_ALIAS("snd-hda-codec-id:10de001c");
1970 MODULE_ALIAS("snd-hda-codec-id:10de0040");
1971 MODULE_ALIAS("snd-hda-codec-id:10de0041");
1972 MODULE_ALIAS("snd-hda-codec-id:10de0042");
1973 MODULE_ALIAS("snd-hda-codec-id:10de0043");
1974 MODULE_ALIAS("snd-hda-codec-id:10de0044");
1975 MODULE_ALIAS("snd-hda-codec-id:10de0051");
1976 MODULE_ALIAS("snd-hda-codec-id:10de0067");
1977 MODULE_ALIAS("snd-hda-codec-id:10de8001");
1978 MODULE_ALIAS("snd-hda-codec-id:11069f80");
1979 MODULE_ALIAS("snd-hda-codec-id:11069f81");
1980 MODULE_ALIAS("snd-hda-codec-id:11069f84");
1981 MODULE_ALIAS("snd-hda-codec-id:11069f85");
1982 MODULE_ALIAS("snd-hda-codec-id:17e80047");
1983 MODULE_ALIAS("snd-hda-codec-id:80860054");
1984 MODULE_ALIAS("snd-hda-codec-id:80862801");
1985 MODULE_ALIAS("snd-hda-codec-id:80862802");
1986 MODULE_ALIAS("snd-hda-codec-id:80862803");
1987 MODULE_ALIAS("snd-hda-codec-id:80862804");
1988 MODULE_ALIAS("snd-hda-codec-id:80862805");
1989 MODULE_ALIAS("snd-hda-codec-id:80862806");
1990 MODULE_ALIAS("snd-hda-codec-id:80862807");
1991 MODULE_ALIAS("snd-hda-codec-id:80862880");
1992 MODULE_ALIAS("snd-hda-codec-id:808629fb");
1993
1994 MODULE_LICENSE("GPL");
1995 MODULE_DESCRIPTION("HDMI HD-audio codec");
1996 MODULE_ALIAS("snd-hda-codec-intelhdmi");
1997 MODULE_ALIAS("snd-hda-codec-nvhdmi");
1998 MODULE_ALIAS("snd-hda-codec-atihdmi");
1999
2000 static struct hda_codec_preset_list intel_list = {
2001         .preset = snd_hda_preset_hdmi,
2002         .owner = THIS_MODULE,
2003 };
2004
2005 static int __init patch_hdmi_init(void)
2006 {
2007         return snd_hda_add_codec_preset(&intel_list);
2008 }
2009
2010 static void __exit patch_hdmi_exit(void)
2011 {
2012         snd_hda_delete_codec_preset(&intel_list);
2013 }
2014
2015 module_init(patch_hdmi_init)
2016 module_exit(patch_hdmi_exit)