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         struct hdmi_spec *spec = codec->spec;
 809         int tag = res >> AC_UNSOL_RES_TAG_SHIFT;
 810         int subtag = (res & AC_UNSOL_RES_SUBTAG) >> AC_UNSOL_RES_SUBTAG_SHIFT;
 811
 812         if (!snd_hda_jack_tbl_get_from_tag(codec, tag)) {
 813                 snd_printd(KERN_INFO "Unexpected HDMI event tag 0x%x\n", tag);
 814                 return;
 815         }
 816
 817         if (subtag == 0)
 818                 hdmi_intrinsic_event(codec, res);
 819         else
 820                 hdmi_non_intrinsic_event(codec, res);
 821 }
 822
 823 /*
 824  * Callbacks
 825  */
 826
 827 /* HBR should be Non-PCM, 8 channels */
 828 #define is_hbr_format(format) \
 829         ((format & AC_FMT_TYPE_NON_PCM) && (format & AC_FMT_CHAN_MASK) == 7)
 830
 831 static int hdmi_setup_stream(struct hda_codec *codec, hda_nid_t cvt_nid,
 832                               hda_nid_t pin_nid, u32 stream_tag, int format)
 833 {
 834         int pinctl;
 835         int new_pinctl = 0;
 836
 837         if (snd_hda_query_pin_caps(codec, pin_nid) & AC_PINCAP_HBR) {
 838                 pinctl = snd_hda_codec_read(codec, pin_nid, 0,
 839                                             AC_VERB_GET_PIN_WIDGET_CONTROL, 0);
 840
 841                 new_pinctl = pinctl & ~AC_PINCTL_EPT;
 842                 if (is_hbr_format(format))
 843                         new_pinctl |= AC_PINCTL_EPT_HBR;
 844                 else
 845                         new_pinctl |= AC_PINCTL_EPT_NATIVE;
 846
 847                 snd_printdd("hdmi_setup_stream: "
 848                             "NID=0x%x, %spinctl=0x%x\n",
 849                             pin_nid,
 850                             pinctl == new_pinctl ? "" : "new-",
 851                             new_pinctl);
 852
 853                 if (pinctl != new_pinctl)
 854                         snd_hda_codec_write(codec, pin_nid, 0,
 855                                             AC_VERB_SET_PIN_WIDGET_CONTROL,
 856                                             new_pinctl);
 857
 858         }
 859         if (is_hbr_format(format) && !new_pinctl) {
 860                 snd_printdd("hdmi_setup_stream: HBR is not supported\n");
 861                 return -EINVAL;
 862         }
 863
 864         snd_hda_codec_setup_stream(codec, cvt_nid, stream_tag, 0, format);
 865         return 0;
 866 }
 867
 868 /*
 869  * HDA PCM callbacks
 870  */
 871 static int hdmi_pcm_open(struct hda_pcm_stream *hinfo,
 872                          struct hda_codec *codec,
 873                          struct snd_pcm_substream *substream)
 874 {
 875         struct hdmi_spec *spec = codec->spec;
 876         struct snd_pcm_runtime *runtime = substream->runtime;
 877         int pin_idx, cvt_idx, mux_idx = 0;
 878         struct hdmi_spec_per_pin *per_pin;
 879         struct hdmi_eld *eld;
 880         struct hdmi_spec_per_cvt *per_cvt = NULL;
 881         int pinctl;
 882
 883         /* Validate hinfo */
 884         pin_idx = hinfo_to_pin_index(spec, hinfo);
 885         if (snd_BUG_ON(pin_idx < 0))
 886                 return -EINVAL;
 887         per_pin = &spec->pins[pin_idx];
 888         eld = &per_pin->sink_eld;
 889
 890         /* Dynamically assign converter to stream */
 891         for (cvt_idx = 0; cvt_idx < spec->num_cvts; cvt_idx++) {
 892                 per_cvt = &spec->cvts[cvt_idx];
 893
 894                 /* Must not already be assigned */
 895                 if (per_cvt->assigned)
 896                         continue;
 897                 /* Must be in pin's mux's list of converters */
 898                 for (mux_idx = 0; mux_idx < per_pin->num_mux_nids; mux_idx++)
 899                         if (per_pin->mux_nids[mux_idx] == per_cvt->cvt_nid)
 900                                 break;
 901                 /* Not in mux list */
 902                 if (mux_idx == per_pin->num_mux_nids)
 903                         continue;
 904                 break;
 905         }
 906         /* No free converters */
 907         if (cvt_idx == spec->num_cvts)
 908                 return -ENODEV;
 909
 910         /* Claim converter */
 911         per_cvt->assigned = 1;
 912         hinfo->nid = per_cvt->cvt_nid;
 913
 914         snd_hda_codec_write(codec, per_pin->pin_nid, 0,
 915                             AC_VERB_SET_CONNECT_SEL,
 916                             mux_idx);
 917         pinctl = snd_hda_codec_read(codec, per_pin->pin_nid, 0,
 918                                     AC_VERB_GET_PIN_WIDGET_CONTROL, 0);
 919         snd_hda_codec_write(codec, per_pin->pin_nid, 0,
 920                             AC_VERB_SET_PIN_WIDGET_CONTROL,
 921                             pinctl | PIN_OUT);
 922         snd_hda_spdif_ctls_assign(codec, pin_idx, per_cvt->cvt_nid);
 923
 924         /* Initially set the converter's capabilities */
 925         hinfo->channels_min = per_cvt->channels_min;
 926         hinfo->channels_max = per_cvt->channels_max;
 927         hinfo->rates = per_cvt->rates;
 928         hinfo->formats = per_cvt->formats;
 929         hinfo->maxbps = per_cvt->maxbps;
 930
 931         /* Restrict capabilities by ELD if this isn't disabled */
 932         if (!static_hdmi_pcm && eld->eld_valid) {
 933                 snd_hdmi_eld_update_pcm_info(eld, hinfo);
 934                 if (hinfo->channels_min > hinfo->channels_max ||
 935                     !hinfo->rates || !hinfo->formats)
 936                         return -ENODEV;
 937         }
 938
 939         /* Store the updated parameters */
 940         runtime->hw.channels_min = hinfo->channels_min;
 941         runtime->hw.channels_max = hinfo->channels_max;
 942         runtime->hw.formats = hinfo->formats;
 943         runtime->hw.rates = hinfo->rates;
 944
 945         snd_pcm_hw_constraint_step(substream->runtime, 0,
 946                                    SNDRV_PCM_HW_PARAM_CHANNELS, 2);
 947         return 0;
 948 }
 949
 950 /*
 951  * HDA/HDMI auto parsing
 952  */
 953 static int hdmi_read_pin_conn(struct hda_codec *codec, int pin_idx)
 954 {
 955         struct hdmi_spec *spec = codec->spec;
 956         struct hdmi_spec_per_pin *per_pin = &spec->pins[pin_idx];
 957         hda_nid_t pin_nid = per_pin->pin_nid;
 958
 959         if (!(get_wcaps(codec, pin_nid) & AC_WCAP_CONN_LIST)) {
 960                 snd_printk(KERN_WARNING
 961                            "HDMI: pin %d wcaps %#x "
 962                            "does not support connection list\n",
 963                            pin_nid, get_wcaps(codec, pin_nid));
 964                 return -EINVAL;
 965         }
 966
 967         per_pin->num_mux_nids = snd_hda_get_connections(codec, pin_nid,
 968                                                         per_pin->mux_nids,
 969                                                         HDA_MAX_CONNECTIONS);
 970
 971         return 0;
 972 }
 973
 974 static void hdmi_present_sense(struct hdmi_spec_per_pin *per_pin, int repoll)
 975 {
 976         struct hda_codec *codec = per_pin->codec;
 977         struct hdmi_eld *eld = &per_pin->sink_eld;
 978         hda_nid_t pin_nid = per_pin->pin_nid;
 979         /*
 980          * Always execute a GetPinSense verb here, even when called from
 981          * hdmi_intrinsic_event; for some NVIDIA HW, the unsolicited
 982          * response's PD bit is not the real PD value, but indicates that
 983          * the real PD value changed. An older version of the HD-audio
 984          * specification worked this way. Hence, we just ignore the data in
 985          * the unsolicited response to avoid custom WARs.
 986          */
 987         int present = snd_hda_pin_sense(codec, pin_nid);
 988         bool eld_valid = false;
 989
 990         memset(eld, 0, offsetof(struct hdmi_eld, eld_buffer));
 991
 992         eld->monitor_present    = !!(present & AC_PINSENSE_PRESENCE);
 993         if (eld->monitor_present)
 994                 eld_valid       = !!(present & AC_PINSENSE_ELDV);
 995
 996         printk(KERN_INFO
 997                 "HDMI status: Codec=%d Pin=%d Presence_Detect=%d ELD_Valid=%d\n",
 998                 codec->addr, pin_nid, eld->monitor_present, eld_valid);
 999
1000         if (eld_valid) {
1001                 if (!snd_hdmi_get_eld(eld, codec, pin_nid))
1002                         snd_hdmi_show_eld(eld);
1003                 else if (repoll) {
1004                         queue_delayed_work(codec->bus->workq,
1005                                            &per_pin->work,
1006                                            msecs_to_jiffies(300));
1007                 }
1008         }
1009 }
1010
1011 static void hdmi_repoll_eld(struct work_struct *work)
1012 {
1013         struct hdmi_spec_per_pin *per_pin =
1014         container_of(to_delayed_work(work), struct hdmi_spec_per_pin, work);
1015
1016         if (per_pin->repoll_count++ > 6)
1017                 per_pin->repoll_count = 0;
1018
1019         hdmi_present_sense(per_pin, per_pin->repoll_count);
1020 }
1021
1022 static int hdmi_add_pin(struct hda_codec *codec, hda_nid_t pin_nid)
1023 {
1024         struct hdmi_spec *spec = codec->spec;
1025         unsigned int caps, config;
1026         int pin_idx;
1027         struct hdmi_spec_per_pin *per_pin;
1028         int err;
1029
1030         caps = snd_hda_param_read(codec, pin_nid, AC_PAR_PIN_CAP);
1031         if (!(caps & (AC_PINCAP_HDMI | AC_PINCAP_DP)))
1032                 return 0;
1033
1034         config = snd_hda_codec_read(codec, pin_nid, 0,
1035                                 AC_VERB_GET_CONFIG_DEFAULT, 0);
1036         if (get_defcfg_connect(config) == AC_JACK_PORT_NONE)
1037                 return 0;
1038
1039         if (snd_BUG_ON(spec->num_pins >= MAX_HDMI_PINS))
1040                 return -E2BIG;
1041
1042         pin_idx = spec->num_pins;
1043         per_pin = &spec->pins[pin_idx];
1044
1045         per_pin->pin_nid = pin_nid;
1046
1047         err = hdmi_read_pin_conn(codec, pin_idx);
1048         if (err < 0)
1049                 return err;
1050
1051         spec->num_pins++;
1052
1053         return 0;
1054 }
1055
1056 static int hdmi_add_cvt(struct hda_codec *codec, hda_nid_t cvt_nid)
1057 {
1058         struct hdmi_spec *spec = codec->spec;
1059         int cvt_idx;
1060         struct hdmi_spec_per_cvt *per_cvt;
1061         unsigned int chans;
1062         int err;
1063
1064         if (snd_BUG_ON(spec->num_cvts >= MAX_HDMI_CVTS))
1065                 return -E2BIG;
1066
1067         chans = get_wcaps(codec, cvt_nid);
1068         chans = get_wcaps_channels(chans);
1069
1070         cvt_idx = spec->num_cvts;
1071         per_cvt = &spec->cvts[cvt_idx];
1072
1073         per_cvt->cvt_nid = cvt_nid;
1074         per_cvt->channels_min = 2;
1075         if (chans <= 16)
1076                 per_cvt->channels_max = chans;
1077
1078         err = snd_hda_query_supported_pcm(codec, cvt_nid,
1079                                           &per_cvt->rates,
1080                                           &per_cvt->formats,
1081                                           &per_cvt->maxbps);
1082         if (err < 0)
1083                 return err;
1084
1085         spec->num_cvts++;
1086
1087         return 0;
1088 }
1089
1090 static int hdmi_parse_codec(struct hda_codec *codec)
1091 {
1092         hda_nid_t nid;
1093         int i, nodes;
1094
1095         nodes = snd_hda_get_sub_nodes(codec, codec->afg, &nid);
1096         if (!nid || nodes < 0) {
1097                 snd_printk(KERN_WARNING "HDMI: failed to get afg sub nodes\n");
1098                 return -EINVAL;
1099         }
1100
1101         for (i = 0; i < nodes; i++, nid++) {
1102                 unsigned int caps;
1103                 unsigned int type;
1104
1105                 caps = snd_hda_param_read(codec, nid, AC_PAR_AUDIO_WIDGET_CAP);
1106                 type = get_wcaps_type(caps);
1107
1108                 if (!(caps & AC_WCAP_DIGITAL))
1109                         continue;
1110
1111                 switch (type) {
1112                 case AC_WID_AUD_OUT:
1113                         hdmi_add_cvt(codec, nid);
1114                         break;
1115                 case AC_WID_PIN:
1116                         hdmi_add_pin(codec, nid);
1117                         break;
1118                 }
1119         }
1120
1121         /*
1122          * G45/IbexPeak don't support EPSS: the unsolicited pin hot plug event
1123          * can be lost and presence sense verb will become inaccurate if the
1124          * HDA link is powered off at hot plug or hw initialization time.
1125          */
1126 #ifdef CONFIG_SND_HDA_POWER_SAVE
1127         if (!(snd_hda_param_read(codec, codec->afg, AC_PAR_POWER_STATE) &
1128               AC_PWRST_EPSS))
1129                 codec->bus->power_keep_link_on = 1;
1130 #endif
1131
1132         return 0;
1133 }
1134
1135 /*
1136  */
1137 static char *get_hdmi_pcm_name(int idx)
1138 {
1139         static char names[MAX_HDMI_PINS][8];
1140         sprintf(&names[idx][0], "HDMI %d", idx);
1141         return &names[idx][0];
1142 }
1143
1144 /*
1145  * HDMI callbacks
1146  */
1147
1148 static int generic_hdmi_playback_pcm_prepare(struct hda_pcm_stream *hinfo,
1149                                            struct hda_codec *codec,
1150                                            unsigned int stream_tag,
1151                                            unsigned int format,
1152                                            struct snd_pcm_substream *substream)
1153 {
1154         hda_nid_t cvt_nid = hinfo->nid;
1155         struct hdmi_spec *spec = codec->spec;
1156         int pin_idx = hinfo_to_pin_index(spec, hinfo);
1157         hda_nid_t pin_nid = spec->pins[pin_idx].pin_nid;
1158
1159         hdmi_set_channel_count(codec, cvt_nid, substream->runtime->channels);
1160
1161         hdmi_setup_audio_infoframe(codec, pin_idx, substream);
1162
1163         return hdmi_setup_stream(codec, cvt_nid, pin_nid, stream_tag, format);
1164 }
1165
1166 static int generic_hdmi_playback_pcm_cleanup(struct hda_pcm_stream *hinfo,
1167                                              struct hda_codec *codec,
1168                                              struct snd_pcm_substream *substream)
1169 {
1170         struct hdmi_spec *spec = codec->spec;
1171         int cvt_idx, pin_idx;
1172         struct hdmi_spec_per_cvt *per_cvt;
1173         struct hdmi_spec_per_pin *per_pin;
1174         int pinctl;
1175
1176         snd_hda_codec_cleanup_stream(codec, hinfo->nid);
1177
1178         if (hinfo->nid) {
1179                 cvt_idx = cvt_nid_to_cvt_index(spec, hinfo->nid);
1180                 if (snd_BUG_ON(cvt_idx < 0))
1181                         return -EINVAL;
1182                 per_cvt = &spec->cvts[cvt_idx];
1183
1184                 snd_BUG_ON(!per_cvt->assigned);
1185                 per_cvt->assigned = 0;
1186                 hinfo->nid = 0;
1187
1188                 pin_idx = hinfo_to_pin_index(spec, hinfo);
1189                 if (snd_BUG_ON(pin_idx < 0))
1190                         return -EINVAL;
1191                 per_pin = &spec->pins[pin_idx];
1192
1193                 pinctl = snd_hda_codec_read(codec, per_pin->pin_nid, 0,
1194                                             AC_VERB_GET_PIN_WIDGET_CONTROL, 0);
1195                 snd_hda_codec_write(codec, per_pin->pin_nid, 0,
1196                                     AC_VERB_SET_PIN_WIDGET_CONTROL,
1197                                     pinctl & ~PIN_OUT);
1198                 snd_hda_spdif_ctls_unassign(codec, pin_idx);
1199         }
1200
1201         return 0;
1202 }
1203
1204 static const struct hda_pcm_ops generic_ops = {
1205         .open = hdmi_pcm_open,
1206         .prepare = generic_hdmi_playback_pcm_prepare,
1207         .cleanup = generic_hdmi_playback_pcm_cleanup,
1208 };
1209
1210 static int generic_hdmi_build_pcms(struct hda_codec *codec)
1211 {
1212         struct hdmi_spec *spec = codec->spec;
1213         int pin_idx;
1214
1215         for (pin_idx = 0; pin_idx < spec->num_pins; pin_idx++) {
1216                 struct hda_pcm *info;
1217                 struct hda_pcm_stream *pstr;
1218
1219                 info = &spec->pcm_rec[pin_idx];
1220                 info->name = get_hdmi_pcm_name(pin_idx);
1221                 info->pcm_type = HDA_PCM_TYPE_HDMI;
1222
1223                 pstr = &info->stream[SNDRV_PCM_STREAM_PLAYBACK];
1224                 pstr->substreams = 1;
1225                 pstr->ops = generic_ops;
1226                 /* other pstr fields are set in open */
1227         }
1228
1229         codec->num_pcms = spec->num_pins;
1230         codec->pcm_info = spec->pcm_rec;
1231
1232         return 0;
1233 }
1234
1235 static int generic_hdmi_build_jack(struct hda_codec *codec, int pin_idx)
1236 {
1237         char hdmi_str[32] = "HDMI/DP";
1238         struct hdmi_spec *spec = codec->spec;
1239         struct hdmi_spec_per_pin *per_pin = &spec->pins[pin_idx];
1240         int pcmdev = spec->pcm_rec[pin_idx].device;
1241
1242         if (pcmdev > 0)
1243                 sprintf(hdmi_str + strlen(hdmi_str), ",pcm=%d", pcmdev);
1244
1245         hdmi_present_sense(per_pin, 0);
1246         return snd_hda_jack_add_kctl(codec, per_pin->pin_nid, hdmi_str, 0);
1247 }
1248
1249 static int generic_hdmi_build_controls(struct hda_codec *codec)
1250 {
1251         struct hdmi_spec *spec = codec->spec;
1252         int err;
1253         int pin_idx;
1254
1255         for (pin_idx = 0; pin_idx < spec->num_pins; pin_idx++) {
1256                 struct hdmi_spec_per_pin *per_pin = &spec->pins[pin_idx];
1257
1258                 err = generic_hdmi_build_jack(codec, pin_idx);
1259                 if (err < 0)
1260                         return err;
1261
1262                 err = snd_hda_create_spdif_out_ctls(codec,
1263                                                     per_pin->pin_nid,
1264                                                     per_pin->mux_nids[0]);
1265                 if (err < 0)
1266                         return err;
1267                 snd_hda_spdif_ctls_unassign(codec, pin_idx);
1268
1269                 /* add control for ELD Bytes */
1270                 err = hdmi_create_eld_ctl(codec,
1271                                         pin_idx,
1272                                         spec->pcm_rec[pin_idx].device);
1273
1274                 if (err < 0)
1275                         return err;
1276
1277                 hdmi_present_sense(per_pin, false);
1278         }
1279
1280         return 0;
1281 }
1282
1283 static int generic_hdmi_init(struct hda_codec *codec)
1284 {
1285         struct hdmi_spec *spec = codec->spec;
1286         int pin_idx;
1287
1288         for (pin_idx = 0; pin_idx < spec->num_pins; pin_idx++) {
1289                 struct hdmi_spec_per_pin *per_pin = &spec->pins[pin_idx];
1290                 hda_nid_t pin_nid = per_pin->pin_nid;
1291                 struct hdmi_eld *eld = &per_pin->sink_eld;
1292
1293                 hdmi_init_pin(codec, pin_nid);
1294                 snd_hda_jack_detect_enable(codec, pin_nid, pin_nid);
1295
1296                 per_pin->codec = codec;
1297                 INIT_DELAYED_WORK(&per_pin->work, hdmi_repoll_eld);
1298                 snd_hda_eld_proc_new(codec, eld, pin_idx);
1299         }
1300         snd_hda_jack_report_sync(codec);
1301         return 0;
1302 }
1303
1304 static void generic_hdmi_free(struct hda_codec *codec)
1305 {
1306         struct hdmi_spec *spec = codec->spec;
1307         int pin_idx;
1308
1309         for (pin_idx = 0; pin_idx < spec->num_pins; pin_idx++) {
1310                 struct hdmi_spec_per_pin *per_pin = &spec->pins[pin_idx];
1311                 struct hdmi_eld *eld = &per_pin->sink_eld;
1312
1313                 cancel_delayed_work(&per_pin->work);
1314                 snd_hda_eld_proc_free(codec, eld);
1315         }
1316
1317         flush_workqueue(codec->bus->workq);
1318         kfree(spec);
1319 }
1320
1321 static const struct hda_codec_ops generic_hdmi_patch_ops = {
1322         .init                   = generic_hdmi_init,
1323         .free                   = generic_hdmi_free,
1324         .build_pcms             = generic_hdmi_build_pcms,
1325         .build_controls         = generic_hdmi_build_controls,
1326         .unsol_event            = hdmi_unsol_event,
1327 };
1328
1329 static int patch_generic_hdmi(struct hda_codec *codec)
1330 {
1331         struct hdmi_spec *spec;
1332
1333         spec = kzalloc(sizeof(*spec), GFP_KERNEL);
1334         if (spec == NULL)
1335                 return -ENOMEM;
1336
1337         codec->spec = spec;
1338         if (hdmi_parse_codec(codec) < 0) {
1339                 codec->spec = NULL;
1340                 kfree(spec);
1341                 return -EINVAL;
1342         }
1343         codec->patch_ops = generic_hdmi_patch_ops;
1344
1345         init_channel_allocations();
1346
1347         return 0;
1348 }
1349
1350 /*
1351  * Shared non-generic implementations
1352  */
1353
1354 static int simple_playback_build_pcms(struct hda_codec *codec)
1355 {
1356         struct hdmi_spec *spec = codec->spec;
1357         struct hda_pcm *info = spec->pcm_rec;
1358         int i;
1359
1360         codec->num_pcms = spec->num_cvts;
1361         codec->pcm_info = info;
1362
1363         for (i = 0; i < codec->num_pcms; i++, info++) {
1364                 unsigned int chans;
1365                 struct hda_pcm_stream *pstr;
1366
1367                 chans = get_wcaps(codec, spec->cvts[i].cvt_nid);
1368                 chans = get_wcaps_channels(chans);
1369
1370                 info->name = get_hdmi_pcm_name(i);
1371                 info->pcm_type = HDA_PCM_TYPE_HDMI;
1372                 pstr = &info->stream[SNDRV_PCM_STREAM_PLAYBACK];
1373                 snd_BUG_ON(!spec->pcm_playback);
1374                 *pstr = *spec->pcm_playback;
1375                 pstr->nid = spec->cvts[i].cvt_nid;
1376                 if (pstr->channels_max <= 2 && chans && chans <= 16)
1377                         pstr->channels_max = chans;
1378         }
1379
1380         return 0;
1381 }
1382
1383 static int simple_playback_build_controls(struct hda_codec *codec)
1384 {
1385         struct hdmi_spec *spec = codec->spec;
1386         int err;
1387         int i;
1388
1389         for (i = 0; i < codec->num_pcms; i++) {
1390                 err = snd_hda_create_spdif_out_ctls(codec,
1391                                                     spec->cvts[i].cvt_nid,
1392                                                     spec->cvts[i].cvt_nid);
1393                 if (err < 0)
1394                         return err;
1395         }
1396
1397         return 0;
1398 }
1399
1400 static void simple_playback_free(struct hda_codec *codec)
1401 {
1402         struct hdmi_spec *spec = codec->spec;
1403
1404         kfree(spec);
1405 }
1406
1407 /*
1408  * Nvidia specific implementations
1409  */
1410
1411 #define Nv_VERB_SET_Channel_Allocation          0xF79
1412 #define Nv_VERB_SET_Info_Frame_Checksum         0xF7A
1413 #define Nv_VERB_SET_Audio_Protection_On         0xF98
1414 #define Nv_VERB_SET_Audio_Protection_Off        0xF99
1415
1416 #define nvhdmi_master_con_nid_7x        0x04
1417 #define nvhdmi_master_pin_nid_7x        0x05
1418
1419 static const hda_nid_t nvhdmi_con_nids_7x[4] = {
1420         /*front, rear, clfe, rear_surr */
1421         0x6, 0x8, 0xa, 0xc,
1422 };
1423
1424 static const struct hda_verb nvhdmi_basic_init_7x[] = {
1425         /* set audio protect on */
1426         { 0x1, Nv_VERB_SET_Audio_Protection_On, 0x1},
1427         /* enable digital output on pin widget */
1428         { 0x5, AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_OUT | 0x5 },
1429         { 0x7, AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_OUT | 0x5 },
1430         { 0x9, AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_OUT | 0x5 },
1431         { 0xb, AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_OUT | 0x5 },
1432         { 0xd, AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_OUT | 0x5 },
1433         {} /* terminator */
1434 };
1435
1436 #ifdef LIMITED_RATE_FMT_SUPPORT
1437 /* support only the safe format and rate */
1438 #define SUPPORTED_RATES         SNDRV_PCM_RATE_48000
1439 #define SUPPORTED_MAXBPS        16
1440 #define SUPPORTED_FORMATS       SNDRV_PCM_FMTBIT_S16_LE
1441 #else
1442 /* support all rates and formats */
1443 #define SUPPORTED_RATES \
1444         (SNDRV_PCM_RATE_32000 | SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_48000 |\
1445         SNDRV_PCM_RATE_88200 | SNDRV_PCM_RATE_96000 | SNDRV_PCM_RATE_176400 |\
1446          SNDRV_PCM_RATE_192000)
1447 #define SUPPORTED_MAXBPS        24
1448 #define SUPPORTED_FORMATS \
1449         (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S32_LE)
1450 #endif
1451
1452 static int nvhdmi_7x_init(struct hda_codec *codec)
1453 {
1454         snd_hda_sequence_write(codec, nvhdmi_basic_init_7x);
1455         return 0;
1456 }
1457
1458 static unsigned int channels_2_6_8[] = {
1459         2, 6, 8
1460 };
1461
1462 static unsigned int channels_2_8[] = {
1463         2, 8
1464 };
1465
1466 static struct snd_pcm_hw_constraint_list hw_constraints_2_6_8_channels = {
1467         .count = ARRAY_SIZE(channels_2_6_8),
1468         .list = channels_2_6_8,
1469         .mask = 0,
1470 };
1471
1472 static struct snd_pcm_hw_constraint_list hw_constraints_2_8_channels = {
1473         .count = ARRAY_SIZE(channels_2_8),
1474         .list = channels_2_8,
1475         .mask = 0,
1476 };
1477
1478 static int simple_playback_pcm_open(struct hda_pcm_stream *hinfo,
1479                                     struct hda_codec *codec,
1480                                     struct snd_pcm_substream *substream)
1481 {
1482         struct hdmi_spec *spec = codec->spec;
1483         struct snd_pcm_hw_constraint_list *hw_constraints_channels = NULL;
1484
1485         switch (codec->preset->id) {
1486         case 0x10de0002:
1487         case 0x10de0003:
1488         case 0x10de0005:
1489         case 0x10de0006:
1490                 hw_constraints_channels = &hw_constraints_2_8_channels;
1491                 break;
1492         case 0x10de0007:
1493                 hw_constraints_channels = &hw_constraints_2_6_8_channels;
1494                 break;
1495         default:
1496                 break;
1497         }
1498
1499         if (hw_constraints_channels != NULL) {
1500                 snd_pcm_hw_constraint_list(substream->runtime, 0,
1501                                 SNDRV_PCM_HW_PARAM_CHANNELS,
1502                                 hw_constraints_channels);
1503         } else {
1504                 snd_pcm_hw_constraint_step(substream->runtime, 0,
1505                                            SNDRV_PCM_HW_PARAM_CHANNELS, 2);
1506         }
1507
1508         return snd_hda_multi_out_dig_open(codec, &spec->multiout);
1509 }
1510
1511 static int simple_playback_pcm_close(struct hda_pcm_stream *hinfo,
1512                                      struct hda_codec *codec,
1513                                      struct snd_pcm_substream *substream)
1514 {
1515         struct hdmi_spec *spec = codec->spec;
1516         return snd_hda_multi_out_dig_close(codec, &spec->multiout);
1517 }
1518
1519 static int simple_playback_pcm_prepare(struct hda_pcm_stream *hinfo,
1520                                        struct hda_codec *codec,
1521                                        unsigned int stream_tag,
1522                                        unsigned int format,
1523                                        struct snd_pcm_substream *substream)
1524 {
1525         struct hdmi_spec *spec = codec->spec;
1526         return snd_hda_multi_out_dig_prepare(codec, &spec->multiout,
1527                                              stream_tag, format, substream);
1528 }
1529
1530 static void nvhdmi_8ch_7x_set_info_frame_parameters(struct hda_codec *codec,
1531                                                     int channels)
1532 {
1533         unsigned int chanmask;
1534         int chan = channels ? (channels - 1) : 1;
1535
1536         switch (channels) {
1537         default:
1538         case 0:
1539         case 2:
1540                 chanmask = 0x00;
1541                 break;
1542         case 4:
1543                 chanmask = 0x08;
1544                 break;
1545         case 6:
1546                 chanmask = 0x0b;
1547                 break;
1548         case 8:
1549                 chanmask = 0x13;
1550                 break;
1551         }
1552
1553         /* Set the audio infoframe channel allocation and checksum fields.  The
1554          * channel count is computed implicitly by the hardware. */
1555         snd_hda_codec_write(codec, 0x1, 0,
1556                         Nv_VERB_SET_Channel_Allocation, chanmask);
1557
1558         snd_hda_codec_write(codec, 0x1, 0,
1559                         Nv_VERB_SET_Info_Frame_Checksum,
1560                         (0x71 - chan - chanmask));
1561 }
1562
1563 static int nvhdmi_8ch_7x_pcm_close(struct hda_pcm_stream *hinfo,
1564                                    struct hda_codec *codec,
1565                                    struct snd_pcm_substream *substream)
1566 {
1567         struct hdmi_spec *spec = codec->spec;
1568         int i;
1569
1570         snd_hda_codec_write(codec, nvhdmi_master_con_nid_7x,
1571                         0, AC_VERB_SET_CHANNEL_STREAMID, 0);
1572         for (i = 0; i < 4; i++) {
1573                 /* set the stream id */
1574                 snd_hda_codec_write(codec, nvhdmi_con_nids_7x[i], 0,
1575                                 AC_VERB_SET_CHANNEL_STREAMID, 0);
1576                 /* set the stream format */
1577                 snd_hda_codec_write(codec, nvhdmi_con_nids_7x[i], 0,
1578                                 AC_VERB_SET_STREAM_FORMAT, 0);
1579         }
1580
1581         /* The audio hardware sends a channel count of 0x7 (8ch) when all the
1582          * streams are disabled. */
1583         nvhdmi_8ch_7x_set_info_frame_parameters(codec, 8);
1584
1585         return snd_hda_multi_out_dig_close(codec, &spec->multiout);
1586 }
1587
1588 static int nvhdmi_8ch_7x_pcm_prepare(struct hda_pcm_stream *hinfo,
1589                                      struct hda_codec *codec,
1590                                      unsigned int stream_tag,
1591                                      unsigned int format,
1592                                      struct snd_pcm_substream *substream)
1593 {
1594         int chs;
1595         unsigned int dataDCC2, channel_id;
1596         int i;
1597         struct hdmi_spec *spec = codec->spec;
1598         struct hda_spdif_out *spdif =
1599                 snd_hda_spdif_out_of_nid(codec, spec->cvts[0].cvt_nid);
1600
1601         mutex_lock(&codec->spdif_mutex);
1602
1603         chs = substream->runtime->channels;
1604
1605         dataDCC2 = 0x2;
1606
1607         /* turn off SPDIF once; otherwise the IEC958 bits won't be updated */
1608         if (codec->spdif_status_reset && (spdif->ctls & AC_DIG1_ENABLE))
1609                 snd_hda_codec_write(codec,
1610                                 nvhdmi_master_con_nid_7x,
1611                                 0,
1612                                 AC_VERB_SET_DIGI_CONVERT_1,
1613                                 spdif->ctls & ~AC_DIG1_ENABLE & 0xff);
1614
1615         /* set the stream id */
1616         snd_hda_codec_write(codec, nvhdmi_master_con_nid_7x, 0,
1617                         AC_VERB_SET_CHANNEL_STREAMID, (stream_tag << 4) | 0x0);
1618
1619         /* set the stream format */
1620         snd_hda_codec_write(codec, nvhdmi_master_con_nid_7x, 0,
1621                         AC_VERB_SET_STREAM_FORMAT, format);
1622
1623         /* turn on again (if needed) */
1624         /* enable and set the channel status audio/data flag */
1625         if (codec->spdif_status_reset && (spdif->ctls & AC_DIG1_ENABLE)) {
1626                 snd_hda_codec_write(codec,
1627                                 nvhdmi_master_con_nid_7x,
1628                                 0,
1629                                 AC_VERB_SET_DIGI_CONVERT_1,
1630                                 spdif->ctls & 0xff);
1631                 snd_hda_codec_write(codec,
1632                                 nvhdmi_master_con_nid_7x,
1633                                 0,
1634                                 AC_VERB_SET_DIGI_CONVERT_2, dataDCC2);
1635         }
1636
1637         for (i = 0; i < 4; i++) {
1638                 if (chs == 2)
1639                         channel_id = 0;
1640                 else
1641                         channel_id = i * 2;
1642
1643                 /* turn off SPDIF once;
1644                  *otherwise the IEC958 bits won't be updated
1645                  */
1646                 if (codec->spdif_status_reset &&
1647                 (spdif->ctls & AC_DIG1_ENABLE))
1648                         snd_hda_codec_write(codec,
1649                                 nvhdmi_con_nids_7x[i],
1650                                 0,
1651                                 AC_VERB_SET_DIGI_CONVERT_1,
1652                                 spdif->ctls & ~AC_DIG1_ENABLE & 0xff);
1653                 /* set the stream id */
1654                 snd_hda_codec_write(codec,
1655                                 nvhdmi_con_nids_7x[i],
1656                                 0,
1657                                 AC_VERB_SET_CHANNEL_STREAMID,
1658                                 (stream_tag << 4) | channel_id);
1659                 /* set the stream format */
1660                 snd_hda_codec_write(codec,
1661                                 nvhdmi_con_nids_7x[i],
1662                                 0,
1663                                 AC_VERB_SET_STREAM_FORMAT,
1664                                 format);
1665                 /* turn on again (if needed) */
1666                 /* enable and set the channel status audio/data flag */
1667                 if (codec->spdif_status_reset &&
1668                 (spdif->ctls & AC_DIG1_ENABLE)) {
1669                         snd_hda_codec_write(codec,
1670                                         nvhdmi_con_nids_7x[i],
1671                                         0,
1672                                         AC_VERB_SET_DIGI_CONVERT_1,
1673                                         spdif->ctls & 0xff);
1674                         snd_hda_codec_write(codec,
1675                                         nvhdmi_con_nids_7x[i],
1676                                         0,
1677                                         AC_VERB_SET_DIGI_CONVERT_2, dataDCC2);
1678                 }
1679         }
1680
1681         nvhdmi_8ch_7x_set_info_frame_parameters(codec, chs);
1682
1683         mutex_unlock(&codec->spdif_mutex);
1684         return 0;
1685 }
1686
1687 static const struct hda_pcm_stream nvhdmi_pcm_playback_8ch_7x = {
1688         .substreams = 1,
1689         .channels_min = 2,
1690         .channels_max = 8,
1691         .nid = nvhdmi_master_con_nid_7x,
1692         .rates = SUPPORTED_RATES,
1693         .maxbps = SUPPORTED_MAXBPS,
1694         .formats = SUPPORTED_FORMATS,
1695         .ops = {
1696                 .open = simple_playback_pcm_open,
1697                 .close = nvhdmi_8ch_7x_pcm_close,
1698                 .prepare = nvhdmi_8ch_7x_pcm_prepare
1699         },
1700 };
1701
1702 static const struct hda_pcm_stream nvhdmi_pcm_playback_2ch = {
1703         .substreams = 1,
1704         .channels_min = 2,
1705         .channels_max = 2,
1706         .nid = nvhdmi_master_con_nid_7x,
1707         .rates = SUPPORTED_RATES,
1708         .maxbps = SUPPORTED_MAXBPS,
1709         .formats = SUPPORTED_FORMATS,
1710         .ops = {
1711                 .open = simple_playback_pcm_open,
1712                 .close = simple_playback_pcm_close,
1713                 .prepare = simple_playback_pcm_prepare
1714         },
1715 };
1716
1717 static const struct hda_codec_ops nvhdmi_patch_ops_8ch_7x = {
1718         .build_controls = simple_playback_build_controls,
1719         .build_pcms = simple_playback_build_pcms,
1720         .init = nvhdmi_7x_init,
1721         .free = simple_playback_free,
1722 };
1723
1724 static const struct hda_codec_ops nvhdmi_patch_ops_2ch = {
1725         .build_controls = simple_playback_build_controls,
1726         .build_pcms = simple_playback_build_pcms,
1727         .init = nvhdmi_7x_init,
1728         .free = simple_playback_free,
1729 };
1730
1731 static int patch_nvhdmi_2ch(struct hda_codec *codec)
1732 {
1733         struct hdmi_spec *spec;
1734
1735         spec = kzalloc(sizeof(*spec), GFP_KERNEL);
1736         if (spec == NULL)
1737                 return -ENOMEM;
1738
1739         codec->spec = spec;
1740
1741         spec->multiout.num_dacs = 0;  /* no analog */
1742         spec->multiout.max_channels = 2;
1743         spec->multiout.dig_out_nid = nvhdmi_master_con_nid_7x;
1744         spec->num_cvts = 1;
1745         spec->cvts[0].cvt_nid = nvhdmi_master_con_nid_7x;
1746         spec->pcm_playback = &nvhdmi_pcm_playback_2ch;
1747
1748         codec->patch_ops = nvhdmi_patch_ops_2ch;
1749
1750         return 0;
1751 }
1752
1753 static int patch_nvhdmi_8ch_7x(struct hda_codec *codec)
1754 {
1755         struct hdmi_spec *spec;
1756         int err = patch_nvhdmi_2ch(codec);
1757
1758         if (err < 0)
1759                 return err;
1760         spec = codec->spec;
1761         spec->multiout.max_channels = 8;
1762         spec->pcm_playback = &nvhdmi_pcm_playback_8ch_7x;
1763         codec->patch_ops = nvhdmi_patch_ops_8ch_7x;
1764
1765         /* Initialize the audio infoframe channel mask and checksum to something
1766          * valid */
1767         nvhdmi_8ch_7x_set_info_frame_parameters(codec, 8);
1768
1769         return 0;
1770 }
1771
1772 /*
1773  * ATI-specific implementations
1774  *
1775  * FIXME: we may omit the whole this and use the generic code once after
1776  * it's confirmed to work.
1777  */
1778
1779 #define ATIHDMI_CVT_NID         0x02    /* audio converter */
1780 #define ATIHDMI_PIN_NID         0x03    /* HDMI output pin */
1781
1782 static int atihdmi_playback_pcm_prepare(struct hda_pcm_stream *hinfo,
1783                                         struct hda_codec *codec,
1784                                         unsigned int stream_tag,
1785                                         unsigned int format,
1786                                         struct snd_pcm_substream *substream)
1787 {
1788         struct hdmi_spec *spec = codec->spec;
1789         int chans = substream->runtime->channels;
1790         int i, err;
1791
1792         err = simple_playback_pcm_prepare(hinfo, codec, stream_tag, format,
1793                                           substream);
1794         if (err < 0)
1795                 return err;
1796         snd_hda_codec_write(codec, spec->cvts[0].cvt_nid, 0,
1797                             AC_VERB_SET_CVT_CHAN_COUNT, chans - 1);
1798         /* FIXME: XXX */
1799         for (i = 0; i < chans; i++) {
1800                 snd_hda_codec_write(codec, spec->cvts[0].cvt_nid, 0,
1801                                     AC_VERB_SET_HDMI_CHAN_SLOT,
1802                                     (i << 4) | i);
1803         }
1804         return 0;
1805 }
1806
1807 static const struct hda_pcm_stream atihdmi_pcm_digital_playback = {
1808         .substreams = 1,
1809         .channels_min = 2,
1810         .channels_max = 2,
1811         .nid = ATIHDMI_CVT_NID,
1812         .ops = {
1813                 .open = simple_playback_pcm_open,
1814                 .close = simple_playback_pcm_close,
1815                 .prepare = atihdmi_playback_pcm_prepare
1816         },
1817 };
1818
1819 static const struct hda_verb atihdmi_basic_init[] = {
1820         /* enable digital output on pin widget */
1821         { 0x03, AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_OUT },
1822         {} /* terminator */
1823 };
1824
1825 static int atihdmi_init(struct hda_codec *codec)
1826 {
1827         struct hdmi_spec *spec = codec->spec;
1828
1829         snd_hda_sequence_write(codec, atihdmi_basic_init);
1830         /* SI codec requires to unmute the pin */
1831         if (get_wcaps(codec, spec->pins[0].pin_nid) & AC_WCAP_OUT_AMP)
1832                 snd_hda_codec_write(codec, spec->pins[0].pin_nid, 0,
1833                                     AC_VERB_SET_AMP_GAIN_MUTE,
1834                                     AMP_OUT_UNMUTE);
1835         return 0;
1836 }
1837
1838 static const struct hda_codec_ops atihdmi_patch_ops = {
1839         .build_controls = simple_playback_build_controls,
1840         .build_pcms = simple_playback_build_pcms,
1841         .init = atihdmi_init,
1842         .free = simple_playback_free,
1843 };
1844
1845
1846 static int patch_atihdmi(struct hda_codec *codec)
1847 {
1848         struct hdmi_spec *spec;
1849
1850         spec = kzalloc(sizeof(*spec), GFP_KERNEL);
1851         if (spec == NULL)
1852                 return -ENOMEM;
1853
1854         codec->spec = spec;
1855
1856         spec->multiout.num_dacs = 0;      /* no analog */
1857         spec->multiout.max_channels = 2;
1858         spec->multiout.dig_out_nid = ATIHDMI_CVT_NID;
1859         spec->num_cvts = 1;
1860         spec->cvts[0].cvt_nid = ATIHDMI_CVT_NID;
1861         spec->pins[0].pin_nid = ATIHDMI_PIN_NID;
1862         spec->pcm_playback = &atihdmi_pcm_digital_playback;
1863
1864         codec->patch_ops = atihdmi_patch_ops;
1865
1866         return 0;
1867 }
1868
1869
1870 /*
1871  * patch entries
1872  */
1873 static const struct hda_codec_preset snd_hda_preset_hdmi[] = {
1874 { .id = 0x1002793c, .name = "RS600 HDMI",       .patch = patch_atihdmi },
1875 { .id = 0x10027919, .name = "RS600 HDMI",       .patch = patch_atihdmi },
1876 { .id = 0x1002791a, .name = "RS690/780 HDMI",   .patch = patch_atihdmi },
1877 { .id = 0x1002aa01, .name = "R6xx HDMI",        .patch = patch_generic_hdmi },
1878 { .id = 0x10951390, .name = "SiI1390 HDMI",     .patch = patch_generic_hdmi },
1879 { .id = 0x10951392, .name = "SiI1392 HDMI",     .patch = patch_generic_hdmi },
1880 { .id = 0x17e80047, .name = "Chrontel HDMI",    .patch = patch_generic_hdmi },
1881 { .id = 0x10de0002, .name = "MCP77/78 HDMI",    .patch = patch_nvhdmi_8ch_7x },
1882 { .id = 0x10de0003, .name = "MCP77/78 HDMI",    .patch = patch_nvhdmi_8ch_7x },
1883 { .id = 0x10de0005, .name = "MCP77/78 HDMI",    .patch = patch_nvhdmi_8ch_7x },
1884 { .id = 0x10de0006, .name = "MCP77/78 HDMI",    .patch = patch_nvhdmi_8ch_7x },
1885 { .id = 0x10de0007, .name = "MCP79/7A HDMI",    .patch = patch_nvhdmi_8ch_7x },
1886 { .id = 0x10de000a, .name = "GPU 0a HDMI/DP",   .patch = patch_generic_hdmi },
1887 { .id = 0x10de000b, .name = "GPU 0b HDMI/DP",   .patch = patch_generic_hdmi },
1888 { .id = 0x10de000c, .name = "MCP89 HDMI",       .patch = patch_generic_hdmi },
1889 { .id = 0x10de000d, .name = "GPU 0d HDMI/DP",   .patch = patch_generic_hdmi },
1890 { .id = 0x10de0010, .name = "GPU 10 HDMI/DP",   .patch = patch_generic_hdmi },
1891 { .id = 0x10de0011, .name = "GPU 11 HDMI/DP",   .patch = patch_generic_hdmi },
1892 { .id = 0x10de0012, .name = "GPU 12 HDMI/DP",   .patch = patch_generic_hdmi },
1893 { .id = 0x10de0013, .name = "GPU 13 HDMI/DP",   .patch = patch_generic_hdmi },
1894 { .id = 0x10de0014, .name = "GPU 14 HDMI/DP",   .patch = patch_generic_hdmi },
1895 { .id = 0x10de0015, .name = "GPU 15 HDMI/DP",   .patch = patch_generic_hdmi },
1896 { .id = 0x10de0016, .name = "GPU 16 HDMI/DP",   .patch = patch_generic_hdmi },
1897 /* 17 is known to be absent */
1898 { .id = 0x10de0018, .name = "GPU 18 HDMI/DP",   .patch = patch_generic_hdmi },
1899 { .id = 0x10de0019, .name = "GPU 19 HDMI/DP",   .patch = patch_generic_hdmi },
1900 { .id = 0x10de001a, .name = "GPU 1a HDMI/DP",   .patch = patch_generic_hdmi },
1901 { .id = 0x10de001b, .name = "GPU 1b HDMI/DP",   .patch = patch_generic_hdmi },
1902 { .id = 0x10de001c, .name = "GPU 1c HDMI/DP",   .patch = patch_generic_hdmi },
1903 { .id = 0x10de0040, .name = "GPU 40 HDMI/DP",   .patch = patch_generic_hdmi },
1904 { .id = 0x10de0041, .name = "GPU 41 HDMI/DP",   .patch = patch_generic_hdmi },
1905 { .id = 0x10de0042, .name = "GPU 42 HDMI/DP",   .patch = patch_generic_hdmi },
1906 { .id = 0x10de0043, .name = "GPU 43 HDMI/DP",   .patch = patch_generic_hdmi },
1907 { .id = 0x10de0044, .name = "GPU 44 HDMI/DP",   .patch = patch_generic_hdmi },
1908 { .id = 0x10de0067, .name = "MCP67 HDMI",       .patch = patch_nvhdmi_2ch },
1909 { .id = 0x10de8001, .name = "MCP73 HDMI",       .patch = patch_nvhdmi_2ch },
1910 { .id = 0x80860054, .name = "IbexPeak HDMI",    .patch = patch_generic_hdmi },
1911 { .id = 0x80862801, .name = "Bearlake HDMI",    .patch = patch_generic_hdmi },
1912 { .id = 0x80862802, .name = "Cantiga HDMI",     .patch = patch_generic_hdmi },
1913 { .id = 0x80862803, .name = "Eaglelake HDMI",   .patch = patch_generic_hdmi },
1914 { .id = 0x80862804, .name = "IbexPeak HDMI",    .patch = patch_generic_hdmi },
1915 { .id = 0x80862805, .name = "CougarPoint HDMI", .patch = patch_generic_hdmi },
1916 { .id = 0x80862806, .name = "PantherPoint HDMI", .patch = patch_generic_hdmi },
1917 { .id = 0x808629fb, .name = "Crestline HDMI",   .patch = patch_generic_hdmi },
1918 {} /* terminator */
1919 };
1920
1921 MODULE_ALIAS("snd-hda-codec-id:1002793c");
1922 MODULE_ALIAS("snd-hda-codec-id:10027919");
1923 MODULE_ALIAS("snd-hda-codec-id:1002791a");
1924 MODULE_ALIAS("snd-hda-codec-id:1002aa01");
1925 MODULE_ALIAS("snd-hda-codec-id:10951390");
1926 MODULE_ALIAS("snd-hda-codec-id:10951392");
1927 MODULE_ALIAS("snd-hda-codec-id:10de0002");
1928 MODULE_ALIAS("snd-hda-codec-id:10de0003");
1929 MODULE_ALIAS("snd-hda-codec-id:10de0005");
1930 MODULE_ALIAS("snd-hda-codec-id:10de0006");
1931 MODULE_ALIAS("snd-hda-codec-id:10de0007");
1932 MODULE_ALIAS("snd-hda-codec-id:10de000a");
1933 MODULE_ALIAS("snd-hda-codec-id:10de000b");
1934 MODULE_ALIAS("snd-hda-codec-id:10de000c");
1935 MODULE_ALIAS("snd-hda-codec-id:10de000d");
1936 MODULE_ALIAS("snd-hda-codec-id:10de0010");
1937 MODULE_ALIAS("snd-hda-codec-id:10de0011");
1938 MODULE_ALIAS("snd-hda-codec-id:10de0012");
1939 MODULE_ALIAS("snd-hda-codec-id:10de0013");
1940 MODULE_ALIAS("snd-hda-codec-id:10de0014");
1941 MODULE_ALIAS("snd-hda-codec-id:10de0015");
1942 MODULE_ALIAS("snd-hda-codec-id:10de0016");
1943 MODULE_ALIAS("snd-hda-codec-id:10de0018");
1944 MODULE_ALIAS("snd-hda-codec-id:10de0019");
1945 MODULE_ALIAS("snd-hda-codec-id:10de001a");
1946 MODULE_ALIAS("snd-hda-codec-id:10de001b");
1947 MODULE_ALIAS("snd-hda-codec-id:10de001c");
1948 MODULE_ALIAS("snd-hda-codec-id:10de0040");
1949 MODULE_ALIAS("snd-hda-codec-id:10de0041");
1950 MODULE_ALIAS("snd-hda-codec-id:10de0042");
1951 MODULE_ALIAS("snd-hda-codec-id:10de0043");
1952 MODULE_ALIAS("snd-hda-codec-id:10de0044");
1953 MODULE_ALIAS("snd-hda-codec-id:10de0067");
1954 MODULE_ALIAS("snd-hda-codec-id:10de8001");
1955 MODULE_ALIAS("snd-hda-codec-id:17e80047");
1956 MODULE_ALIAS("snd-hda-codec-id:80860054");
1957 MODULE_ALIAS("snd-hda-codec-id:80862801");
1958 MODULE_ALIAS("snd-hda-codec-id:80862802");
1959 MODULE_ALIAS("snd-hda-codec-id:80862803");
1960 MODULE_ALIAS("snd-hda-codec-id:80862804");
1961 MODULE_ALIAS("snd-hda-codec-id:80862805");
1962 MODULE_ALIAS("snd-hda-codec-id:80862806");
1963 MODULE_ALIAS("snd-hda-codec-id:808629fb");
1964
1965 MODULE_LICENSE("GPL");
1966 MODULE_DESCRIPTION("HDMI HD-audio codec");
1967 MODULE_ALIAS("snd-hda-codec-intelhdmi");
1968 MODULE_ALIAS("snd-hda-codec-nvhdmi");
1969 MODULE_ALIAS("snd-hda-codec-atihdmi");
1970
1971 static struct hda_codec_preset_list intel_list = {
1972         .preset = snd_hda_preset_hdmi,
1973         .owner = THIS_MODULE,
1974 };
1975
1976 static int __init patch_hdmi_init(void)
1977 {
1978         return snd_hda_add_codec_preset(&intel_list);
1979 }
1980
1981 static void __exit patch_hdmi_exit(void)
1982 {
1983         snd_hda_delete_codec_preset(&intel_list);
1984 }
1985
1986 module_init(patch_hdmi_init)
1987 module_exit(patch_hdmi_exit)