sound/pci/hda/patch_hdmi.c

   1 /*
   2  *
   3  *  patch_hdmi.c - routines for HDMI/DisplayPort codecs
   4  *
   5  *  Copyright(c) 2008-2010 Intel Corporation. All rights reserved.
   6  *  Copyright (c) 2006 ATI Technologies Inc.
   7  *  Copyright (c) 2008 NVIDIA Corp.  All rights reserved.
   8  *  Copyright (c) 2008 Wei Ni <wni@nvidia.com>
   9  *
  10  *  Authors:
  11  *                      Wu Fengguang <wfg@linux.intel.com>
  12  *
  13  *  Maintained by:
  14  *                      Wu Fengguang <wfg@linux.intel.com>
  15  *
  16  *  This program is free software; you can redistribute it and/or modify it
  17  *  under the terms of the GNU General Public License as published by the Free
  18  *  Software Foundation; either version 2 of the License, or (at your option)
  19  *  any later version.
  20  *
  21  *  This program is distributed in the hope that it will be useful, but
  22  *  WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
  23  *  or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  24  *  for more details.
  25  *
  26  *  You should have received a copy of the GNU General Public License
  27  *  along with this program; if not, write to the Free Software Foundation,
  28  *  Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
  29  */
  30
  31 #include <linux/init.h>
  32 #include <linux/delay.h>
  33 #include <linux/slab.h>
  34 #include <linux/module.h>
  35 #include <sound/core.h>
  36 #include <sound/jack.h>
  37 #include <sound/asoundef.h>
  38 #include <sound/tlv.h>
  39 #include "hda_codec.h"
  40 #include "hda_local.h"
  41 #include "hda_jack.h"
  42
  43 static bool static_hdmi_pcm;
  44 module_param(static_hdmi_pcm, bool, 0644);
  45 MODULE_PARM_DESC(static_hdmi_pcm, "Don't restrict PCM parameters per ELD info");
  46
  47 /*
  48  * The HDMI/DisplayPort configuration can be highly dynamic. A graphics device
  49  * could support N independent pipes, each of them can be connected to one or
  50  * more ports (DVI, HDMI or DisplayPort).
  51  *
  52  * The HDA correspondence of pipes/ports are converter/pin nodes.
  53  */
  54 #define MAX_HDMI_CVTS   8
  55 #define MAX_HDMI_PINS   8
  56
  57 struct hdmi_spec_per_cvt {
  58         hda_nid_t cvt_nid;
  59         int assigned;
  60         unsigned int channels_min;
  61         unsigned int channels_max;
  62         u32 rates;
  63         u64 formats;
  64         unsigned int maxbps;
  65 };
  66
  67 /* max. connections to a widget */
  68 #define HDA_MAX_CONNECTIONS     32
  69
  70 struct hdmi_spec_per_pin {
  71         hda_nid_t pin_nid;
  72         int num_mux_nids;
  73         hda_nid_t mux_nids[HDA_MAX_CONNECTIONS];
  74
  75         struct hda_codec *codec;
  76         struct hdmi_eld sink_eld;
  77         struct delayed_work work;
  78         int repoll_count;
  79         bool non_pcm;
  80         bool chmap_set;         /* channel-map override by ALSA API? */
  81         unsigned char chmap[8]; /* ALSA API channel-map */
  82 };
  83
  84 struct hdmi_spec {
  85         int num_cvts;
  86         struct hdmi_spec_per_cvt cvts[MAX_HDMI_CVTS];
  87         hda_nid_t cvt_nids[MAX_HDMI_CVTS];
  88
  89         int num_pins;
  90         struct hdmi_spec_per_pin pins[MAX_HDMI_PINS];
  91         struct hda_pcm pcm_rec[MAX_HDMI_PINS];
  92         unsigned int channels_max; /* max over all cvts */
  93
  94         /*
  95          * Non-generic ATI/NVIDIA specific
  96          */
  97         struct hda_multi_out multiout;
  98         struct hda_pcm_stream pcm_playback;
  99 };
 100
 101
 102 struct hdmi_audio_infoframe {
 103         u8 type; /* 0x84 */
 104         u8 ver;  /* 0x01 */
 105         u8 len;  /* 0x0a */
 106
 107         u8 checksum;
 108
 109         u8 CC02_CT47;   /* CC in bits 0:2, CT in 4:7 */
 110         u8 SS01_SF24;
 111         u8 CXT04;
 112         u8 CA;
 113         u8 LFEPBL01_LSV36_DM_INH7;
 114 };
 115
 116 struct dp_audio_infoframe {
 117         u8 type; /* 0x84 */
 118         u8 len;  /* 0x1b */
 119         u8 ver;  /* 0x11 << 2 */
 120
 121         u8 CC02_CT47;   /* match with HDMI infoframe from this on */
 122         u8 SS01_SF24;
 123         u8 CXT04;
 124         u8 CA;
 125         u8 LFEPBL01_LSV36_DM_INH7;
 126 };
 127
 128 union audio_infoframe {
 129         struct hdmi_audio_infoframe hdmi;
 130         struct dp_audio_infoframe dp;
 131         u8 bytes[0];
 132 };
 133
 134 /*
 135  * CEA speaker placement:
 136  *
 137  *        FLH       FCH        FRH
 138  *  FLW    FL  FLC   FC   FRC   FR   FRW
 139  *
 140  *                                  LFE
 141  *                     TC
 142  *
 143  *          RL  RLC   RC   RRC   RR
 144  *
 145  * The Left/Right Surround channel _notions_ LS/RS in SMPTE 320M corresponds to
 146  * CEA RL/RR; The SMPTE channel _assignment_ C/LFE is swapped to CEA LFE/FC.
 147  */
 148 enum cea_speaker_placement {
 149         FL  = (1 <<  0),        /* Front Left           */
 150         FC  = (1 <<  1),        /* Front Center         */
 151         FR  = (1 <<  2),        /* Front Right          */
 152         FLC = (1 <<  3),        /* Front Left Center    */
 153         FRC = (1 <<  4),        /* Front Right Center   */
 154         RL  = (1 <<  5),        /* Rear Left            */
 155         RC  = (1 <<  6),        /* Rear Center          */
 156         RR  = (1 <<  7),        /* Rear Right           */
 157         RLC = (1 <<  8),        /* Rear Left Center     */
 158         RRC = (1 <<  9),        /* Rear Right Center    */
 159         LFE = (1 << 10),        /* Low Frequency Effect */
 160         FLW = (1 << 11),        /* Front Left Wide      */
 161         FRW = (1 << 12),        /* Front Right Wide     */
 162         FLH = (1 << 13),        /* Front Left High      */
 163         FCH = (1 << 14),        /* Front Center High    */
 164         FRH = (1 << 15),        /* Front Right High     */
 165         TC  = (1 << 16),        /* Top Center           */
 166 };
 167
 168 /*
 169  * ELD SA bits in the CEA Speaker Allocation data block
 170  */
 171 static int eld_speaker_allocation_bits[] = {
 172         [0] = FL | FR,
 173         [1] = LFE,
 174         [2] = FC,
 175         [3] = RL | RR,
 176         [4] = RC,
 177         [5] = FLC | FRC,
 178         [6] = RLC | RRC,
 179         /* the following are not defined in ELD yet */
 180         [7] = FLW | FRW,
 181         [8] = FLH | FRH,
 182         [9] = TC,
 183         [10] = FCH,
 184 };
 185
 186 struct cea_channel_speaker_allocation {
 187         int ca_index;
 188         int speakers[8];
 189
 190         /* derived values, just for convenience */
 191         int channels;
 192         int spk_mask;
 193 };
 194
 195 /*
 196  * ALSA sequence is:
 197  *
 198  *       surround40   surround41   surround50   surround51   surround71
 199  * ch0   front left   =            =            =            =
 200  * ch1   front right  =            =            =            =
 201  * ch2   rear left    =            =            =            =
 202  * ch3   rear right   =            =            =            =
 203  * ch4                LFE          center       center       center
 204  * ch5                                          LFE          LFE
 205  * ch6                                                       side left
 206  * ch7                                                       side right
 207  *
 208  * surround71 = {FL, FR, RLC, RRC, FC, LFE, RL, RR}
 209  */
 210 static int hdmi_channel_mapping[0x32][8] = {
 211         /* stereo */
 212         [0x00] = { 0x00, 0x11, 0xf2, 0xf3, 0xf4, 0xf5, 0xf6, 0xf7 },
 213         /* 2.1 */
 214         [0x01] = { 0x00, 0x11, 0x22, 0xf3, 0xf4, 0xf5, 0xf6, 0xf7 },
 215         /* Dolby Surround */
 216         [0x02] = { 0x00, 0x11, 0x23, 0xf2, 0xf4, 0xf5, 0xf6, 0xf7 },
 217         /* surround40 */
 218         [0x08] = { 0x00, 0x11, 0x24, 0x35, 0xf3, 0xf2, 0xf6, 0xf7 },
 219         /* 4ch */
 220         [0x03] = { 0x00, 0x11, 0x23, 0x32, 0x44, 0xf5, 0xf6, 0xf7 },
 221         /* surround41 */
 222         [0x09] = { 0x00, 0x11, 0x24, 0x35, 0x42, 0xf3, 0xf6, 0xf7 },
 223         /* surround50 */
 224         [0x0a] = { 0x00, 0x11, 0x24, 0x35, 0x43, 0xf2, 0xf6, 0xf7 },
 225         /* surround51 */
 226         [0x0b] = { 0x00, 0x11, 0x24, 0x35, 0x43, 0x52, 0xf6, 0xf7 },
 227         /* 7.1 */
 228         [0x13] = { 0x00, 0x11, 0x26, 0x37, 0x43, 0x52, 0x64, 0x75 },
 229 };
 230
 231 /*
 232  * This is an ordered list!
 233  *
 234  * The preceding ones have better chances to be selected by
 235  * hdmi_channel_allocation().
 236  */
 237 static struct cea_channel_speaker_allocation channel_allocations[] = {
 238 /*                        channel:   7     6    5    4    3     2    1    0  */
 239 { .ca_index = 0x00,  .speakers = {   0,    0,   0,   0,   0,    0,  FR,  FL } },
 240                                  /* 2.1 */
 241 { .ca_index = 0x01,  .speakers = {   0,    0,   0,   0,   0,  LFE,  FR,  FL } },
 242                                  /* Dolby Surround */
 243 { .ca_index = 0x02,  .speakers = {   0,    0,   0,   0,  FC,    0,  FR,  FL } },
 244                                  /* surround40 */
 245 { .ca_index = 0x08,  .speakers = {   0,    0,  RR,  RL,   0,    0,  FR,  FL } },
 246                                  /* surround41 */
 247 { .ca_index = 0x09,  .speakers = {   0,    0,  RR,  RL,   0,  LFE,  FR,  FL } },
 248                                  /* surround50 */
 249 { .ca_index = 0x0a,  .speakers = {   0,    0,  RR,  RL,  FC,    0,  FR,  FL } },
 250                                  /* surround51 */
 251 { .ca_index = 0x0b,  .speakers = {   0,    0,  RR,  RL,  FC,  LFE,  FR,  FL } },
 252                                  /* 6.1 */
 253 { .ca_index = 0x0f,  .speakers = {   0,   RC,  RR,  RL,  FC,  LFE,  FR,  FL } },
 254                                  /* surround71 */
 255 { .ca_index = 0x13,  .speakers = { RRC,  RLC,  RR,  RL,  FC,  LFE,  FR,  FL } },
 256
 257 { .ca_index = 0x03,  .speakers = {   0,    0,   0,   0,  FC,  LFE,  FR,  FL } },
 258 { .ca_index = 0x04,  .speakers = {   0,    0,   0,  RC,   0,    0,  FR,  FL } },
 259 { .ca_index = 0x05,  .speakers = {   0,    0,   0,  RC,   0,  LFE,  FR,  FL } },
 260 { .ca_index = 0x06,  .speakers = {   0,    0,   0,  RC,  FC,    0,  FR,  FL } },
 261 { .ca_index = 0x07,  .speakers = {   0,    0,   0,  RC,  FC,  LFE,  FR,  FL } },
 262 { .ca_index = 0x0c,  .speakers = {   0,   RC,  RR,  RL,   0,    0,  FR,  FL } },
 263 { .ca_index = 0x0d,  .speakers = {   0,   RC,  RR,  RL,   0,  LFE,  FR,  FL } },
 264 { .ca_index = 0x0e,  .speakers = {   0,   RC,  RR,  RL,  FC,    0,  FR,  FL } },
 265 { .ca_index = 0x10,  .speakers = { RRC,  RLC,  RR,  RL,   0,    0,  FR,  FL } },
 266 { .ca_index = 0x11,  .speakers = { RRC,  RLC,  RR,  RL,   0,  LFE,  FR,  FL } },
 267 { .ca_index = 0x12,  .speakers = { RRC,  RLC,  RR,  RL,  FC,    0,  FR,  FL } },
 268 { .ca_index = 0x14,  .speakers = { FRC,  FLC,   0,   0,   0,    0,  FR,  FL } },
 269 { .ca_index = 0x15,  .speakers = { FRC,  FLC,   0,   0,   0,  LFE,  FR,  FL } },
 270 { .ca_index = 0x16,  .speakers = { FRC,  FLC,   0,   0,  FC,    0,  FR,  FL } },
 271 { .ca_index = 0x17,  .speakers = { FRC,  FLC,   0,   0,  FC,  LFE,  FR,  FL } },
 272 { .ca_index = 0x18,  .speakers = { FRC,  FLC,   0,  RC,   0,    0,  FR,  FL } },
 273 { .ca_index = 0x19,  .speakers = { FRC,  FLC,   0,  RC,   0,  LFE,  FR,  FL } },
 274 { .ca_index = 0x1a,  .speakers = { FRC,  FLC,   0,  RC,  FC,    0,  FR,  FL } },
 275 { .ca_index = 0x1b,  .speakers = { FRC,  FLC,   0,  RC,  FC,  LFE,  FR,  FL } },
 276 { .ca_index = 0x1c,  .speakers = { FRC,  FLC,  RR,  RL,   0,    0,  FR,  FL } },
 277 { .ca_index = 0x1d,  .speakers = { FRC,  FLC,  RR,  RL,   0,  LFE,  FR,  FL } },
 278 { .ca_index = 0x1e,  .speakers = { FRC,  FLC,  RR,  RL,  FC,    0,  FR,  FL } },
 279 { .ca_index = 0x1f,  .speakers = { FRC,  FLC,  RR,  RL,  FC,  LFE,  FR,  FL } },
 280 { .ca_index = 0x20,  .speakers = {   0,  FCH,  RR,  RL,  FC,    0,  FR,  FL } },
 281 { .ca_index = 0x21,  .speakers = {   0,  FCH,  RR,  RL,  FC,  LFE,  FR,  FL } },
 282 { .ca_index = 0x22,  .speakers = {  TC,    0,  RR,  RL,  FC,    0,  FR,  FL } },
 283 { .ca_index = 0x23,  .speakers = {  TC,    0,  RR,  RL,  FC,  LFE,  FR,  FL } },
 284 { .ca_index = 0x24,  .speakers = { FRH,  FLH,  RR,  RL,   0,    0,  FR,  FL } },
 285 { .ca_index = 0x25,  .speakers = { FRH,  FLH,  RR,  RL,   0,  LFE,  FR,  FL } },
 286 { .ca_index = 0x26,  .speakers = { FRW,  FLW,  RR,  RL,   0,    0,  FR,  FL } },
 287 { .ca_index = 0x27,  .speakers = { FRW,  FLW,  RR,  RL,   0,  LFE,  FR,  FL } },
 288 { .ca_index = 0x28,  .speakers = {  TC,   RC,  RR,  RL,  FC,    0,  FR,  FL } },
 289 { .ca_index = 0x29,  .speakers = {  TC,   RC,  RR,  RL,  FC,  LFE,  FR,  FL } },
 290 { .ca_index = 0x2a,  .speakers = { FCH,   RC,  RR,  RL,  FC,    0,  FR,  FL } },
 291 { .ca_index = 0x2b,  .speakers = { FCH,   RC,  RR,  RL,  FC,  LFE,  FR,  FL } },
 292 { .ca_index = 0x2c,  .speakers = {  TC,  FCH,  RR,  RL,  FC,    0,  FR,  FL } },
 293 { .ca_index = 0x2d,  .speakers = {  TC,  FCH,  RR,  RL,  FC,  LFE,  FR,  FL } },
 294 { .ca_index = 0x2e,  .speakers = { FRH,  FLH,  RR,  RL,  FC,    0,  FR,  FL } },
 295 { .ca_index = 0x2f,  .speakers = { FRH,  FLH,  RR,  RL,  FC,  LFE,  FR,  FL } },
 296 { .ca_index = 0x30,  .speakers = { FRW,  FLW,  RR,  RL,  FC,    0,  FR,  FL } },
 297 { .ca_index = 0x31,  .speakers = { FRW,  FLW,  RR,  RL,  FC,  LFE,  FR,  FL } },
 298 };
 299
 300
 301 /*
 302  * HDMI routines
 303  */
 304
 305 static int pin_nid_to_pin_index(struct hdmi_spec *spec, hda_nid_t pin_nid)
 306 {
 307         int pin_idx;
 308
 309         for (pin_idx = 0; pin_idx < spec->num_pins; pin_idx++)
 310                 if (spec->pins[pin_idx].pin_nid == pin_nid)
 311                         return pin_idx;
 312
 313         snd_printk(KERN_WARNING "HDMI: pin nid %d not registered\n", pin_nid);
 314         return -EINVAL;
 315 }
 316
 317 static int hinfo_to_pin_index(struct hdmi_spec *spec,
 318                               struct hda_pcm_stream *hinfo)
 319 {
 320         int pin_idx;
 321
 322         for (pin_idx = 0; pin_idx < spec->num_pins; pin_idx++)
 323                 if (&spec->pcm_rec[pin_idx].stream[0] == hinfo)
 324                         return pin_idx;
 325
 326         snd_printk(KERN_WARNING "HDMI: hinfo %p not registered\n", hinfo);
 327         return -EINVAL;
 328 }
 329
 330 static int cvt_nid_to_cvt_index(struct hdmi_spec *spec, hda_nid_t cvt_nid)
 331 {
 332         int cvt_idx;
 333
 334         for (cvt_idx = 0; cvt_idx < spec->num_cvts; cvt_idx++)
 335                 if (spec->cvts[cvt_idx].cvt_nid == cvt_nid)
 336                         return cvt_idx;
 337
 338         snd_printk(KERN_WARNING "HDMI: cvt nid %d not registered\n", cvt_nid);
 339         return -EINVAL;
 340 }
 341
 342 static int hdmi_eld_ctl_info(struct snd_kcontrol *kcontrol,
 343                         struct snd_ctl_elem_info *uinfo)
 344 {
 345         struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
 346         struct hdmi_spec *spec;
 347         int pin_idx;
 348
 349         spec = codec->spec;
 350         uinfo->type = SNDRV_CTL_ELEM_TYPE_BYTES;
 351
 352         pin_idx = kcontrol->private_value;
 353         uinfo->count = spec->pins[pin_idx].sink_eld.eld_size;
 354
 355         return 0;
 356 }
 357
 358 static int hdmi_eld_ctl_get(struct snd_kcontrol *kcontrol,
 359                         struct snd_ctl_elem_value *ucontrol)
 360 {
 361         struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
 362         struct hdmi_spec *spec;
 363         int pin_idx;
 364
 365         spec = codec->spec;
 366         pin_idx = kcontrol->private_value;
 367
 368         memcpy(ucontrol->value.bytes.data,
 369                 spec->pins[pin_idx].sink_eld.eld_buffer, ELD_MAX_SIZE);
 370
 371         return 0;
 372 }
 373
 374 static struct snd_kcontrol_new eld_bytes_ctl = {
 375         .access = SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_VOLATILE,
 376         .iface = SNDRV_CTL_ELEM_IFACE_PCM,
 377         .name = "ELD",
 378         .info = hdmi_eld_ctl_info,
 379         .get = hdmi_eld_ctl_get,
 380 };
 381
 382 static int hdmi_create_eld_ctl(struct hda_codec *codec, int pin_idx,
 383                         int device)
 384 {
 385         struct snd_kcontrol *kctl;
 386         struct hdmi_spec *spec = codec->spec;
 387         int err;
 388
 389         kctl = snd_ctl_new1(&eld_bytes_ctl, codec);
 390         if (!kctl)
 391                 return -ENOMEM;
 392         kctl->private_value = pin_idx;
 393         kctl->id.device = device;
 394
 395         err = snd_hda_ctl_add(codec, spec->pins[pin_idx].pin_nid, kctl);
 396         if (err < 0)
 397                 return err;
 398
 399         return 0;
 400 }
 401
 402 #ifdef BE_PARANOID
 403 static void hdmi_get_dip_index(struct hda_codec *codec, hda_nid_t pin_nid,
 404                                 int *packet_index, int *byte_index)
 405 {
 406         int val;
 407
 408         val = snd_hda_codec_read(codec, pin_nid, 0,
 409                                  AC_VERB_GET_HDMI_DIP_INDEX, 0);
 410
 411         *packet_index = val >> 5;
 412         *byte_index = val & 0x1f;
 413 }
 414 #endif
 415
 416 static void hdmi_set_dip_index(struct hda_codec *codec, hda_nid_t pin_nid,
 417                                 int packet_index, int byte_index)
 418 {
 419         int val;
 420
 421         val = (packet_index << 5) | (byte_index & 0x1f);
 422
 423         snd_hda_codec_write(codec, pin_nid, 0, AC_VERB_SET_HDMI_DIP_INDEX, val);
 424 }
 425
 426 static void hdmi_write_dip_byte(struct hda_codec *codec, hda_nid_t pin_nid,
 427                                 unsigned char val)
 428 {
 429         snd_hda_codec_write(codec, pin_nid, 0, AC_VERB_SET_HDMI_DIP_DATA, val);
 430 }
 431
 432 static void hdmi_init_pin(struct hda_codec *codec, hda_nid_t pin_nid)
 433 {
 434         /* Unmute */
 435         if (get_wcaps(codec, pin_nid) & AC_WCAP_OUT_AMP)
 436                 snd_hda_codec_write(codec, pin_nid, 0,
 437                                 AC_VERB_SET_AMP_GAIN_MUTE, AMP_OUT_UNMUTE);
 438         /* Enable pin out: some machines with GM965 gets broken output when
 439          * the pin is disabled or changed while using with HDMI
 440          */
 441         snd_hda_codec_write(codec, pin_nid, 0,
 442                             AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_OUT);
 443 }
 444
 445 static int hdmi_get_channel_count(struct hda_codec *codec, hda_nid_t cvt_nid)
 446 {
 447         return 1 + snd_hda_codec_read(codec, cvt_nid, 0,
 448                                         AC_VERB_GET_CVT_CHAN_COUNT, 0);
 449 }
 450
 451 static void hdmi_set_channel_count(struct hda_codec *codec,
 452                                    hda_nid_t cvt_nid, int chs)
 453 {
 454         if (chs != hdmi_get_channel_count(codec, cvt_nid))
 455                 snd_hda_codec_write(codec, cvt_nid, 0,
 456                                     AC_VERB_SET_CVT_CHAN_COUNT, chs - 1);
 457 }
 458
 459
 460 /*
 461  * Channel mapping routines
 462  */
 463
 464 /*
 465  * Compute derived values in channel_allocations[].
 466  */
 467 static void init_channel_allocations(void)
 468 {
 469         int i, j;
 470         struct cea_channel_speaker_allocation *p;
 471
 472         for (i = 0; i < ARRAY_SIZE(channel_allocations); i++) {
 473                 p = channel_allocations + i;
 474                 p->channels = 0;
 475                 p->spk_mask = 0;
 476                 for (j = 0; j < ARRAY_SIZE(p->speakers); j++)
 477                         if (p->speakers[j]) {
 478                                 p->channels++;
 479                                 p->spk_mask |= p->speakers[j];
 480                         }
 481         }
 482 }
 483
 484 static int get_channel_allocation_order(int ca)
 485 {
 486         int i;
 487
 488         for (i = 0; i < ARRAY_SIZE(channel_allocations); i++) {
 489                 if (channel_allocations[i].ca_index == ca)
 490                         break;
 491         }
 492         return i;
 493 }
 494
 495 /*
 496  * The transformation takes two steps:
 497  *
 498  *      eld->spk_alloc => (eld_speaker_allocation_bits[]) => spk_mask
 499  *            spk_mask => (channel_allocations[])         => ai->CA
 500  *
 501  * TODO: it could select the wrong CA from multiple candidates.
 502 */
 503 static int hdmi_channel_allocation(struct hdmi_eld *eld, int channels)
 504 {
 505         int i;
 506         int ca = 0;
 507         int spk_mask = 0;
 508         char buf[SND_PRINT_CHANNEL_ALLOCATION_ADVISED_BUFSIZE];
 509
 510         /*
 511          * CA defaults to 0 for basic stereo audio
 512          */
 513         if (channels <= 2)
 514                 return 0;
 515
 516         /*
 517          * expand ELD's speaker allocation mask
 518          *
 519          * ELD tells the speaker mask in a compact(paired) form,
 520          * expand ELD's notions to match the ones used by Audio InfoFrame.
 521          */
 522         for (i = 0; i < ARRAY_SIZE(eld_speaker_allocation_bits); i++) {
 523                 if (eld->spk_alloc & (1 << i))
 524                         spk_mask |= eld_speaker_allocation_bits[i];
 525         }
 526
 527         /* search for the first working match in the CA table */
 528         for (i = 0; i < ARRAY_SIZE(channel_allocations); i++) {
 529                 if (channels == channel_allocations[i].channels &&
 530                     (spk_mask & channel_allocations[i].spk_mask) ==
 531                                 channel_allocations[i].spk_mask) {
 532                         ca = channel_allocations[i].ca_index;
 533                         break;
 534                 }
 535         }
 536
 537         snd_print_channel_allocation(eld->spk_alloc, buf, sizeof(buf));
 538         snd_printdd("HDMI: select CA 0x%x for %d-channel allocation: %s\n",
 539                     ca, channels, buf);
 540
 541         return ca;
 542 }
 543
 544 static void hdmi_debug_channel_mapping(struct hda_codec *codec,
 545                                        hda_nid_t pin_nid)
 546 {
 547 #ifdef CONFIG_SND_DEBUG_VERBOSE
 548         int i;
 549         int slot;
 550
 551         for (i = 0; i < 8; i++) {
 552                 slot = snd_hda_codec_read(codec, pin_nid, 0,
 553                                                 AC_VERB_GET_HDMI_CHAN_SLOT, i);
 554                 printk(KERN_DEBUG "HDMI: ASP channel %d => slot %d\n",
 555                                                 slot >> 4, slot & 0xf);
 556         }
 557 #endif
 558 }
 559
 560
 561 static void hdmi_std_setup_channel_mapping(struct hda_codec *codec,
 562                                        hda_nid_t pin_nid,
 563                                        bool non_pcm,
 564                                        int ca)
 565 {
 566         int i;
 567         int err;
 568         int order;
 569         int non_pcm_mapping[8];
 570
 571         order = get_channel_allocation_order(ca);
 572
 573         if (hdmi_channel_mapping[ca][1] == 0) {
 574                 for (i = 0; i < channel_allocations[order].channels; i++)
 575                         hdmi_channel_mapping[ca][i] = i | (i << 4);
 576                 for (; i < 8; i++)
 577                         hdmi_channel_mapping[ca][i] = 0xf | (i << 4);
 578         }
 579
 580         if (non_pcm) {
 581                 for (i = 0; i < channel_allocations[order].channels; i++)
 582                         non_pcm_mapping[i] = i | (i << 4);
 583                 for (; i < 8; i++)
 584                         non_pcm_mapping[i] = 0xf | (i << 4);
 585         }
 586
 587         for (i = 0; i < 8; i++) {
 588                 err = snd_hda_codec_write(codec, pin_nid, 0,
 589                                           AC_VERB_SET_HDMI_CHAN_SLOT,
 590                                           non_pcm ? non_pcm_mapping[i] : hdmi_channel_mapping[ca][i]);
 591                 if (err) {
 592                         snd_printdd(KERN_NOTICE
 593                                     "HDMI: channel mapping failed\n");
 594                         break;
 595                 }
 596         }
 597
 598         hdmi_debug_channel_mapping(codec, pin_nid);
 599 }
 600
 601 struct channel_map_table {
 602         unsigned char map;              /* ALSA API channel map position */
 603         unsigned char cea_slot;         /* CEA slot value */
 604         int spk_mask;                   /* speaker position bit mask */
 605 };
 606
 607 static struct channel_map_table map_tables[] = {
 608         { SNDRV_CHMAP_FL,       0x00,   FL },
 609         { SNDRV_CHMAP_FR,       0x01,   FR },
 610         { SNDRV_CHMAP_RL,       0x04,   RL },
 611         { SNDRV_CHMAP_RR,       0x05,   RR },
 612         { SNDRV_CHMAP_LFE,      0x02,   LFE },
 613         { SNDRV_CHMAP_FC,       0x03,   FC },
 614         { SNDRV_CHMAP_RLC,      0x06,   RLC },
 615         { SNDRV_CHMAP_RRC,      0x07,   RRC },
 616         {} /* terminator */
 617 };
 618
 619 /* from ALSA API channel position to speaker bit mask */
 620 static int to_spk_mask(unsigned char c)
 621 {
 622         struct channel_map_table *t = map_tables;
 623         for (; t->map; t++) {
 624                 if (t->map == c)
 625                         return t->spk_mask;
 626         }
 627         return 0;
 628 }
 629
 630 /* from ALSA API channel position to CEA slot */
 631 static int to_cea_slot(unsigned char c)
 632 {
 633         struct channel_map_table *t = map_tables;
 634         for (; t->map; t++) {
 635                 if (t->map == c)
 636                         return t->cea_slot;
 637         }
 638         return 0x0f;
 639 }
 640
 641 /* from CEA slot to ALSA API channel position */
 642 static int from_cea_slot(unsigned char c)
 643 {
 644         struct channel_map_table *t = map_tables;
 645         for (; t->map; t++) {
 646                 if (t->cea_slot == c)
 647                         return t->map;
 648         }
 649         return 0;
 650 }
 651
 652 /* from speaker bit mask to ALSA API channel position */
 653 static int spk_to_chmap(int spk)
 654 {
 655         struct channel_map_table *t = map_tables;
 656         for (; t->map; t++) {
 657                 if (t->spk_mask == spk)
 658                         return t->map;
 659         }
 660         return 0;
 661 }
 662
 663 /* get the CA index corresponding to the given ALSA API channel map */
 664 static int hdmi_manual_channel_allocation(int chs, unsigned char *map)
 665 {
 666         int i, spks = 0, spk_mask = 0;
 667
 668         for (i = 0; i < chs; i++) {
 669                 int mask = to_spk_mask(map[i]);
 670                 if (mask) {
 671                         spk_mask |= mask;
 672                         spks++;
 673                 }
 674         }
 675
 676         for (i = 0; i < ARRAY_SIZE(channel_allocations); i++) {
 677                 if ((chs == channel_allocations[i].channels ||
 678                      spks == channel_allocations[i].channels) &&
 679                     (spk_mask & channel_allocations[i].spk_mask) ==
 680                                 channel_allocations[i].spk_mask)
 681                         return channel_allocations[i].ca_index;
 682         }
 683         return -1;
 684 }
 685
 686 /* set up the channel slots for the given ALSA API channel map */
 687 static int hdmi_manual_setup_channel_mapping(struct hda_codec *codec,
 688                                              hda_nid_t pin_nid,
 689                                              int chs, unsigned char *map)
 690 {
 691         int i;
 692         for (i = 0; i < 8; i++) {
 693                 int val, err;
 694                 if (i < chs)
 695                         val = to_cea_slot(map[i]);
 696                 else
 697                         val = 0xf;
 698                 val |= (i << 4);
 699                 err = snd_hda_codec_write(codec, pin_nid, 0,
 700                                           AC_VERB_SET_HDMI_CHAN_SLOT, val);
 701                 if (err)
 702                         return -EINVAL;
 703         }
 704         return 0;
 705 }
 706
 707 /* store ALSA API channel map from the current default map */
 708 static void hdmi_setup_fake_chmap(unsigned char *map, int ca)
 709 {
 710         int i;
 711         for (i = 0; i < 8; i++) {
 712                 if (i < channel_allocations[ca].channels)
 713                         map[i] = from_cea_slot((hdmi_channel_mapping[ca][i] >> 4) & 0x0f);
 714                 else
 715                         map[i] = 0;
 716         }
 717 }
 718
 719 static void hdmi_setup_channel_mapping(struct hda_codec *codec,
 720                                        hda_nid_t pin_nid, bool non_pcm, int ca,
 721                                        int channels, unsigned char *map,
 722                                        bool chmap_set)
 723 {
 724         if (!non_pcm && chmap_set) {
 725                 hdmi_manual_setup_channel_mapping(codec, pin_nid,
 726                                                   channels, map);
 727         } else {
 728                 hdmi_std_setup_channel_mapping(codec, pin_nid, non_pcm, ca);
 729                 hdmi_setup_fake_chmap(map, ca);
 730         }
 731 }
 732
 733 /*
 734  * Audio InfoFrame routines
 735  */
 736
 737 /*
 738  * Enable Audio InfoFrame Transmission
 739  */
 740 static void hdmi_start_infoframe_trans(struct hda_codec *codec,
 741                                        hda_nid_t pin_nid)
 742 {
 743         hdmi_set_dip_index(codec, pin_nid, 0x0, 0x0);
 744         snd_hda_codec_write(codec, pin_nid, 0, AC_VERB_SET_HDMI_DIP_XMIT,
 745                                                 AC_DIPXMIT_BEST);
 746 }
 747
 748 /*
 749  * Disable Audio InfoFrame Transmission
 750  */
 751 static void hdmi_stop_infoframe_trans(struct hda_codec *codec,
 752                                       hda_nid_t pin_nid)
 753 {
 754         hdmi_set_dip_index(codec, pin_nid, 0x0, 0x0);
 755         snd_hda_codec_write(codec, pin_nid, 0, AC_VERB_SET_HDMI_DIP_XMIT,
 756                                                 AC_DIPXMIT_DISABLE);
 757 }
 758
 759 static void hdmi_debug_dip_size(struct hda_codec *codec, hda_nid_t pin_nid)
 760 {
 761 #ifdef CONFIG_SND_DEBUG_VERBOSE
 762         int i;
 763         int size;
 764
 765         size = snd_hdmi_get_eld_size(codec, pin_nid);
 766         printk(KERN_DEBUG "HDMI: ELD buf size is %d\n", size);
 767
 768         for (i = 0; i < 8; i++) {
 769                 size = snd_hda_codec_read(codec, pin_nid, 0,
 770                                                 AC_VERB_GET_HDMI_DIP_SIZE, i);
 771                 printk(KERN_DEBUG "HDMI: DIP GP[%d] buf size is %d\n", i, size);
 772         }
 773 #endif
 774 }
 775
 776 static void hdmi_clear_dip_buffers(struct hda_codec *codec, hda_nid_t pin_nid)
 777 {
 778 #ifdef BE_PARANOID
 779         int i, j;
 780         int size;
 781         int pi, bi;
 782         for (i = 0; i < 8; i++) {
 783                 size = snd_hda_codec_read(codec, pin_nid, 0,
 784                                                 AC_VERB_GET_HDMI_DIP_SIZE, i);
 785                 if (size == 0)
 786                         continue;
 787
 788                 hdmi_set_dip_index(codec, pin_nid, i, 0x0);
 789                 for (j = 1; j < 1000; j++) {
 790                         hdmi_write_dip_byte(codec, pin_nid, 0x0);
 791                         hdmi_get_dip_index(codec, pin_nid, &pi, &bi);
 792                         if (pi != i)
 793                                 snd_printd(KERN_INFO "dip index %d: %d != %d\n",
 794                                                 bi, pi, i);
 795                         if (bi == 0) /* byte index wrapped around */
 796                                 break;
 797                 }
 798                 snd_printd(KERN_INFO
 799                         "HDMI: DIP GP[%d] buf reported size=%d, written=%d\n",
 800                         i, size, j);
 801         }
 802 #endif
 803 }
 804
 805 static void hdmi_checksum_audio_infoframe(struct hdmi_audio_infoframe *hdmi_ai)
 806 {
 807         u8 *bytes = (u8 *)hdmi_ai;
 808         u8 sum = 0;
 809         int i;
 810
 811         hdmi_ai->checksum = 0;
 812
 813         for (i = 0; i < sizeof(*hdmi_ai); i++)
 814                 sum += bytes[i];
 815
 816         hdmi_ai->checksum = -sum;
 817 }
 818
 819 static void hdmi_fill_audio_infoframe(struct hda_codec *codec,
 820                                       hda_nid_t pin_nid,
 821                                       u8 *dip, int size)
 822 {
 823         int i;
 824
 825         hdmi_debug_dip_size(codec, pin_nid);
 826         hdmi_clear_dip_buffers(codec, pin_nid); /* be paranoid */
 827
 828         hdmi_set_dip_index(codec, pin_nid, 0x0, 0x0);
 829         for (i = 0; i < size; i++)
 830                 hdmi_write_dip_byte(codec, pin_nid, dip[i]);
 831 }
 832
 833 static bool hdmi_infoframe_uptodate(struct hda_codec *codec, hda_nid_t pin_nid,
 834                                     u8 *dip, int size)
 835 {
 836         u8 val;
 837         int i;
 838
 839         if (snd_hda_codec_read(codec, pin_nid, 0, AC_VERB_GET_HDMI_DIP_XMIT, 0)
 840                                                             != AC_DIPXMIT_BEST)
 841                 return false;
 842
 843         hdmi_set_dip_index(codec, pin_nid, 0x0, 0x0);
 844         for (i = 0; i < size; i++) {
 845                 val = snd_hda_codec_read(codec, pin_nid, 0,
 846                                          AC_VERB_GET_HDMI_DIP_DATA, 0);
 847                 if (val != dip[i])
 848                         return false;
 849         }
 850
 851         return true;
 852 }
 853
 854 static void hdmi_setup_audio_infoframe(struct hda_codec *codec, int pin_idx,
 855                                        bool non_pcm,
 856                                        struct snd_pcm_substream *substream)
 857 {
 858         struct hdmi_spec *spec = codec->spec;
 859         struct hdmi_spec_per_pin *per_pin = &spec->pins[pin_idx];
 860         hda_nid_t pin_nid = per_pin->pin_nid;
 861         int channels = substream->runtime->channels;
 862         struct hdmi_eld *eld;
 863         int ca;
 864         union audio_infoframe ai;
 865
 866         eld = &spec->pins[pin_idx].sink_eld;
 867         if (!eld->monitor_present)
 868                 return;
 869
 870         if (!non_pcm && per_pin->chmap_set)
 871                 ca = hdmi_manual_channel_allocation(channels, per_pin->chmap);
 872         else
 873                 ca = hdmi_channel_allocation(eld, channels);
 874         if (ca < 0)
 875                 ca = 0;
 876
 877         memset(&ai, 0, sizeof(ai));
 878         if (eld->conn_type == 0) { /* HDMI */
 879                 struct hdmi_audio_infoframe *hdmi_ai = &ai.hdmi;
 880
 881                 hdmi_ai->type           = 0x84;
 882                 hdmi_ai->ver            = 0x01;
 883                 hdmi_ai->len            = 0x0a;
 884                 hdmi_ai->CC02_CT47      = channels - 1;
 885                 hdmi_ai->CA             = ca;
 886                 hdmi_checksum_audio_infoframe(hdmi_ai);
 887         } else if (eld->conn_type == 1) { /* DisplayPort */
 888                 struct dp_audio_infoframe *dp_ai = &ai.dp;
 889
 890                 dp_ai->type             = 0x84;
 891                 dp_ai->len              = 0x1b;
 892                 dp_ai->ver              = 0x11 << 2;
 893                 dp_ai->CC02_CT47        = channels - 1;
 894                 dp_ai->CA               = ca;
 895         } else {
 896                 snd_printd("HDMI: unknown connection type at pin %d\n",
 897                             pin_nid);
 898                 return;
 899         }
 900
 901         /*
 902          * sizeof(ai) is used instead of sizeof(*hdmi_ai) or
 903          * sizeof(*dp_ai) to avoid partial match/update problems when
 904          * the user switches between HDMI/DP monitors.
 905          */
 906         if (!hdmi_infoframe_uptodate(codec, pin_nid, ai.bytes,
 907                                         sizeof(ai))) {
 908                 snd_printdd("hdmi_setup_audio_infoframe: "
 909                             "pin=%d channels=%d\n",
 910                             pin_nid,
 911                             channels);
 912                 hdmi_setup_channel_mapping(codec, pin_nid, non_pcm, ca,
 913                                            channels, per_pin->chmap,
 914                                            per_pin->chmap_set);
 915                 hdmi_stop_infoframe_trans(codec, pin_nid);
 916                 hdmi_fill_audio_infoframe(codec, pin_nid,
 917                                             ai.bytes, sizeof(ai));
 918                 hdmi_start_infoframe_trans(codec, pin_nid);
 919         } else {
 920                 /* For non-pcm audio switch, setup new channel mapping
 921                  * accordingly */
 922                 if (per_pin->non_pcm != non_pcm)
 923                         hdmi_setup_channel_mapping(codec, pin_nid, non_pcm, ca,
 924                                                    channels, per_pin->chmap,
 925                                                    per_pin->chmap_set);
 926         }
 927
 928         per_pin->non_pcm = non_pcm;
 929 }
 930
 931
 932 /*
 933  * Unsolicited events
 934  */
 935
 936 static void hdmi_present_sense(struct hdmi_spec_per_pin *per_pin, int repoll);
 937
 938 static void hdmi_intrinsic_event(struct hda_codec *codec, unsigned int res)
 939 {
 940         struct hdmi_spec *spec = codec->spec;
 941         int tag = res >> AC_UNSOL_RES_TAG_SHIFT;
 942         int pin_nid;
 943         int pin_idx;
 944         struct hda_jack_tbl *jack;
 945
 946         jack = snd_hda_jack_tbl_get_from_tag(codec, tag);
 947         if (!jack)
 948                 return;
 949         pin_nid = jack->nid;
 950         jack->jack_dirty = 1;
 951
 952         _snd_printd(SND_PR_VERBOSE,
 953                 "HDMI hot plug event: Codec=%d Pin=%d Presence_Detect=%d ELD_Valid=%d\n",
 954                 codec->addr, pin_nid,
 955                 !!(res & AC_UNSOL_RES_PD), !!(res & AC_UNSOL_RES_ELDV));
 956
 957         pin_idx = pin_nid_to_pin_index(spec, pin_nid);
 958         if (pin_idx < 0)
 959                 return;
 960
 961         hdmi_present_sense(&spec->pins[pin_idx], 1);
 962         snd_hda_jack_report_sync(codec);
 963 }
 964
 965 static void hdmi_non_intrinsic_event(struct hda_codec *codec, unsigned int res)
 966 {
 967         int tag = res >> AC_UNSOL_RES_TAG_SHIFT;
 968         int subtag = (res & AC_UNSOL_RES_SUBTAG) >> AC_UNSOL_RES_SUBTAG_SHIFT;
 969         int cp_state = !!(res & AC_UNSOL_RES_CP_STATE);
 970         int cp_ready = !!(res & AC_UNSOL_RES_CP_READY);
 971
 972         printk(KERN_INFO
 973                 "HDMI CP event: CODEC=%d TAG=%d SUBTAG=0x%x CP_STATE=%d CP_READY=%d\n",
 974                 codec->addr,
 975                 tag,
 976                 subtag,
 977                 cp_state,
 978                 cp_ready);
 979
 980         /* TODO */
 981         if (cp_state)
 982                 ;
 983         if (cp_ready)
 984                 ;
 985 }
 986
 987
 988 static void hdmi_unsol_event(struct hda_codec *codec, unsigned int res)
 989 {
 990         int tag = res >> AC_UNSOL_RES_TAG_SHIFT;
 991         int subtag = (res & AC_UNSOL_RES_SUBTAG) >> AC_UNSOL_RES_SUBTAG_SHIFT;
 992
 993         if (!snd_hda_jack_tbl_get_from_tag(codec, tag)) {
 994                 snd_printd(KERN_INFO "Unexpected HDMI event tag 0x%x\n", tag);
 995                 return;
 996         }
 997
 998         if (subtag == 0)
 999                 hdmi_intrinsic_event(codec, res);
1000         else
1001                 hdmi_non_intrinsic_event(codec, res);
1002 }
1003
1004 /*
1005  * Callbacks
1006  */
1007
1008 /* HBR should be Non-PCM, 8 channels */
1009 #define is_hbr_format(format) \
1010         ((format & AC_FMT_TYPE_NON_PCM) && (format & AC_FMT_CHAN_MASK) == 7)
1011
1012 static int hdmi_setup_stream(struct hda_codec *codec, hda_nid_t cvt_nid,
1013                               hda_nid_t pin_nid, u32 stream_tag, int format)
1014 {
1015         int pinctl;
1016         int new_pinctl = 0;
1017
1018         if (snd_hda_query_pin_caps(codec, pin_nid) & AC_PINCAP_HBR) {
1019                 pinctl = snd_hda_codec_read(codec, pin_nid, 0,
1020                                             AC_VERB_GET_PIN_WIDGET_CONTROL, 0);
1021
1022                 new_pinctl = pinctl & ~AC_PINCTL_EPT;
1023                 if (is_hbr_format(format))
1024                         new_pinctl |= AC_PINCTL_EPT_HBR;
1025                 else
1026                         new_pinctl |= AC_PINCTL_EPT_NATIVE;
1027
1028                 snd_printdd("hdmi_setup_stream: "
1029                             "NID=0x%x, %spinctl=0x%x\n",
1030                             pin_nid,
1031                             pinctl == new_pinctl ? "" : "new-",
1032                             new_pinctl);
1033
1034                 if (pinctl != new_pinctl)
1035                         snd_hda_codec_write(codec, pin_nid, 0,
1036                                             AC_VERB_SET_PIN_WIDGET_CONTROL,
1037                                             new_pinctl);
1038
1039         }
1040         if (is_hbr_format(format) && !new_pinctl) {
1041                 snd_printdd("hdmi_setup_stream: HBR is not supported\n");
1042                 return -EINVAL;
1043         }
1044
1045         snd_hda_codec_setup_stream(codec, cvt_nid, stream_tag, 0, format);
1046         return 0;
1047 }
1048
1049 /*
1050  * HDA PCM callbacks
1051  */
1052 static int hdmi_pcm_open(struct hda_pcm_stream *hinfo,
1053                          struct hda_codec *codec,
1054                          struct snd_pcm_substream *substream)
1055 {
1056         struct hdmi_spec *spec = codec->spec;
1057         struct snd_pcm_runtime *runtime = substream->runtime;
1058         int pin_idx, cvt_idx, mux_idx = 0;
1059         struct hdmi_spec_per_pin *per_pin;
1060         struct hdmi_eld *eld;
1061         struct hdmi_spec_per_cvt *per_cvt = NULL;
1062
1063         /* Validate hinfo */
1064         pin_idx = hinfo_to_pin_index(spec, hinfo);
1065         if (snd_BUG_ON(pin_idx < 0))
1066                 return -EINVAL;
1067         per_pin = &spec->pins[pin_idx];
1068         eld = &per_pin->sink_eld;
1069
1070         /* Dynamically assign converter to stream */
1071         for (cvt_idx = 0; cvt_idx < spec->num_cvts; cvt_idx++) {
1072                 per_cvt = &spec->cvts[cvt_idx];
1073
1074                 /* Must not already be assigned */
1075                 if (per_cvt->assigned)
1076                         continue;
1077                 /* Must be in pin's mux's list of converters */
1078                 for (mux_idx = 0; mux_idx < per_pin->num_mux_nids; mux_idx++)
1079                         if (per_pin->mux_nids[mux_idx] == per_cvt->cvt_nid)
1080                                 break;
1081                 /* Not in mux list */
1082                 if (mux_idx == per_pin->num_mux_nids)
1083                         continue;
1084                 break;
1085         }
1086         /* No free converters */
1087         if (cvt_idx == spec->num_cvts)
1088                 return -ENODEV;
1089
1090         /* Claim converter */
1091         per_cvt->assigned = 1;
1092         hinfo->nid = per_cvt->cvt_nid;
1093
1094         snd_hda_codec_write(codec, per_pin->pin_nid, 0,
1095                             AC_VERB_SET_CONNECT_SEL,
1096                             mux_idx);
1097         snd_hda_spdif_ctls_assign(codec, pin_idx, per_cvt->cvt_nid);
1098
1099         /* Initially set the converter's capabilities */
1100         hinfo->channels_min = per_cvt->channels_min;
1101         hinfo->channels_max = per_cvt->channels_max;
1102         hinfo->rates = per_cvt->rates;
1103         hinfo->formats = per_cvt->formats;
1104         hinfo->maxbps = per_cvt->maxbps;
1105
1106         /* Restrict capabilities by ELD if this isn't disabled */
1107         if (!static_hdmi_pcm && eld->eld_valid) {
1108                 snd_hdmi_eld_update_pcm_info(eld, hinfo);
1109                 if (hinfo->channels_min > hinfo->channels_max ||
1110                     !hinfo->rates || !hinfo->formats) {
1111                         per_cvt->assigned = 0;
1112                         hinfo->nid = 0;
1113                         snd_hda_spdif_ctls_unassign(codec, pin_idx);
1114                         return -ENODEV;
1115                 }
1116         }
1117
1118         /* Store the updated parameters */
1119         runtime->hw.channels_min = hinfo->channels_min;
1120         runtime->hw.channels_max = hinfo->channels_max;
1121         runtime->hw.formats = hinfo->formats;
1122         runtime->hw.rates = hinfo->rates;
1123
1124         snd_pcm_hw_constraint_step(substream->runtime, 0,
1125                                    SNDRV_PCM_HW_PARAM_CHANNELS, 2);
1126         return 0;
1127 }
1128
1129 /*
1130  * HDA/HDMI auto parsing
1131  */
1132 static int hdmi_read_pin_conn(struct hda_codec *codec, int pin_idx)
1133 {
1134         struct hdmi_spec *spec = codec->spec;
1135         struct hdmi_spec_per_pin *per_pin = &spec->pins[pin_idx];
1136         hda_nid_t pin_nid = per_pin->pin_nid;
1137
1138         if (!(get_wcaps(codec, pin_nid) & AC_WCAP_CONN_LIST)) {
1139                 snd_printk(KERN_WARNING
1140                            "HDMI: pin %d wcaps %#x "
1141                            "does not support connection list\n",
1142                            pin_nid, get_wcaps(codec, pin_nid));
1143                 return -EINVAL;
1144         }
1145
1146         per_pin->num_mux_nids = snd_hda_get_connections(codec, pin_nid,
1147                                                         per_pin->mux_nids,
1148                                                         HDA_MAX_CONNECTIONS);
1149
1150         return 0;
1151 }
1152
1153 static void hdmi_present_sense(struct hdmi_spec_per_pin *per_pin, int repoll)
1154 {
1155         struct hda_codec *codec = per_pin->codec;
1156         struct hdmi_eld *eld = &per_pin->sink_eld;
1157         hda_nid_t pin_nid = per_pin->pin_nid;
1158         /*
1159          * Always execute a GetPinSense verb here, even when called from
1160          * hdmi_intrinsic_event; for some NVIDIA HW, the unsolicited
1161          * response's PD bit is not the real PD value, but indicates that
1162          * the real PD value changed. An older version of the HD-audio
1163          * specification worked this way. Hence, we just ignore the data in
1164          * the unsolicited response to avoid custom WARs.
1165          */
1166         int present = snd_hda_pin_sense(codec, pin_nid);
1167         bool eld_valid = false;
1168
1169         memset(eld, 0, offsetof(struct hdmi_eld, eld_buffer));
1170
1171         eld->monitor_present    = !!(present & AC_PINSENSE_PRESENCE);
1172         if (eld->monitor_present)
1173                 eld_valid       = !!(present & AC_PINSENSE_ELDV);
1174
1175         _snd_printd(SND_PR_VERBOSE,
1176                 "HDMI status: Codec=%d Pin=%d Presence_Detect=%d ELD_Valid=%d\n",
1177                 codec->addr, pin_nid, eld->monitor_present, eld_valid);
1178
1179         if (eld_valid) {
1180                 if (!snd_hdmi_get_eld(eld, codec, pin_nid))
1181                         snd_hdmi_show_eld(eld);
1182                 else if (repoll) {
1183                         queue_delayed_work(codec->bus->workq,
1184                                            &per_pin->work,
1185                                            msecs_to_jiffies(300));
1186                 }
1187         }
1188 }
1189
1190 static void hdmi_repoll_eld(struct work_struct *work)
1191 {
1192         struct hdmi_spec_per_pin *per_pin =
1193         container_of(to_delayed_work(work), struct hdmi_spec_per_pin, work);
1194
1195         if (per_pin->repoll_count++ > 6)
1196                 per_pin->repoll_count = 0;
1197
1198         hdmi_present_sense(per_pin, per_pin->repoll_count);
1199 }
1200
1201 static void intel_haswell_fixup_connect_list(struct hda_codec *codec,
1202                                              hda_nid_t nid);
1203
1204 static int hdmi_add_pin(struct hda_codec *codec, hda_nid_t pin_nid)
1205 {
1206         struct hdmi_spec *spec = codec->spec;
1207         unsigned int caps, config;
1208         int pin_idx;
1209         struct hdmi_spec_per_pin *per_pin;
1210         int err;
1211
1212         caps = snd_hda_query_pin_caps(codec, pin_nid);
1213         if (!(caps & (AC_PINCAP_HDMI | AC_PINCAP_DP)))
1214                 return 0;
1215
1216         config = snd_hda_codec_get_pincfg(codec, pin_nid);
1217         if (get_defcfg_connect(config) == AC_JACK_PORT_NONE)
1218                 return 0;
1219
1220         if (snd_BUG_ON(spec->num_pins >= MAX_HDMI_PINS))
1221                 return -E2BIG;
1222
1223         if (codec->vendor_id == 0x80862807)
1224                 intel_haswell_fixup_connect_list(codec, pin_nid);
1225
1226         pin_idx = spec->num_pins;
1227         per_pin = &spec->pins[pin_idx];
1228
1229         per_pin->pin_nid = pin_nid;
1230         per_pin->non_pcm = false;
1231
1232         err = hdmi_read_pin_conn(codec, pin_idx);
1233         if (err < 0)
1234                 return err;
1235
1236         spec->num_pins++;
1237
1238         return 0;
1239 }
1240
1241 static int hdmi_add_cvt(struct hda_codec *codec, hda_nid_t cvt_nid)
1242 {
1243         struct hdmi_spec *spec = codec->spec;
1244         int cvt_idx;
1245         struct hdmi_spec_per_cvt *per_cvt;
1246         unsigned int chans;
1247         int err;
1248
1249         if (snd_BUG_ON(spec->num_cvts >= MAX_HDMI_CVTS))
1250                 return -E2BIG;
1251
1252         chans = get_wcaps(codec, cvt_nid);
1253         chans = get_wcaps_channels(chans);
1254
1255         cvt_idx = spec->num_cvts;
1256         per_cvt = &spec->cvts[cvt_idx];
1257
1258         per_cvt->cvt_nid = cvt_nid;
1259         per_cvt->channels_min = 2;
1260         if (chans <= 16) {
1261                 per_cvt->channels_max = chans;
1262                 if (chans > spec->channels_max)
1263                         spec->channels_max = chans;
1264         }
1265
1266         err = snd_hda_query_supported_pcm(codec, cvt_nid,
1267                                           &per_cvt->rates,
1268                                           &per_cvt->formats,
1269                                           &per_cvt->maxbps);
1270         if (err < 0)
1271                 return err;
1272
1273         spec->cvt_nids[spec->num_cvts++] = cvt_nid;
1274
1275         return 0;
1276 }
1277
1278 static int hdmi_parse_codec(struct hda_codec *codec)
1279 {
1280         hda_nid_t nid;
1281         int i, nodes;
1282
1283         nodes = snd_hda_get_sub_nodes(codec, codec->afg, &nid);
1284         if (!nid || nodes < 0) {
1285                 snd_printk(KERN_WARNING "HDMI: failed to get afg sub nodes\n");
1286                 return -EINVAL;
1287         }
1288
1289         for (i = 0; i < nodes; i++, nid++) {
1290                 unsigned int caps;
1291                 unsigned int type;
1292
1293                 caps = get_wcaps(codec, nid);
1294                 type = get_wcaps_type(caps);
1295
1296                 if (!(caps & AC_WCAP_DIGITAL))
1297                         continue;
1298
1299                 switch (type) {
1300                 case AC_WID_AUD_OUT:
1301                         hdmi_add_cvt(codec, nid);
1302                         break;
1303                 case AC_WID_PIN:
1304                         hdmi_add_pin(codec, nid);
1305                         break;
1306                 }
1307         }
1308
1309 #ifdef CONFIG_PM
1310         /* We're seeing some problems with unsolicited hot plug events on
1311          * PantherPoint after S3, if this is not enabled */
1312         if (codec->vendor_id == 0x80862806)
1313                 codec->bus->power_keep_link_on = 1;
1314         /*
1315          * G45/IbexPeak don't support EPSS: the unsolicited pin hot plug event
1316          * can be lost and presence sense verb will become inaccurate if the
1317          * HDA link is powered off at hot plug or hw initialization time.
1318          */
1319         else if (!(snd_hda_param_read(codec, codec->afg, AC_PAR_POWER_STATE) &
1320               AC_PWRST_EPSS))
1321                 codec->bus->power_keep_link_on = 1;
1322 #endif
1323
1324         return 0;
1325 }
1326
1327 /*
1328  */
1329 static char *get_hdmi_pcm_name(int idx)
1330 {
1331         static char names[MAX_HDMI_PINS][8];
1332         sprintf(&names[idx][0], "HDMI %d", idx);
1333         return &names[idx][0];
1334 }
1335
1336 static bool check_non_pcm_per_cvt(struct hda_codec *codec, hda_nid_t cvt_nid)
1337 {
1338         struct hda_spdif_out *spdif;
1339         bool non_pcm;
1340
1341         mutex_lock(&codec->spdif_mutex);
1342         spdif = snd_hda_spdif_out_of_nid(codec, cvt_nid);
1343         non_pcm = !!(spdif->status & IEC958_AES0_NONAUDIO);
1344         mutex_unlock(&codec->spdif_mutex);
1345         return non_pcm;
1346 }
1347
1348
1349 /*
1350  * HDMI callbacks
1351  */
1352
1353 static int generic_hdmi_playback_pcm_prepare(struct hda_pcm_stream *hinfo,
1354                                            struct hda_codec *codec,
1355                                            unsigned int stream_tag,
1356                                            unsigned int format,
1357                                            struct snd_pcm_substream *substream)
1358 {
1359         hda_nid_t cvt_nid = hinfo->nid;
1360         struct hdmi_spec *spec = codec->spec;
1361         int pin_idx = hinfo_to_pin_index(spec, hinfo);
1362         hda_nid_t pin_nid = spec->pins[pin_idx].pin_nid;
1363         bool non_pcm;
1364
1365         non_pcm = check_non_pcm_per_cvt(codec, cvt_nid);
1366
1367         hdmi_set_channel_count(codec, cvt_nid, substream->runtime->channels);
1368
1369         hdmi_setup_audio_infoframe(codec, pin_idx, non_pcm, substream);
1370
1371         return hdmi_setup_stream(codec, cvt_nid, pin_nid, stream_tag, format);
1372 }
1373
1374 static int generic_hdmi_playback_pcm_cleanup(struct hda_pcm_stream *hinfo,
1375                                              struct hda_codec *codec,
1376                                              struct snd_pcm_substream *substream)
1377 {
1378         snd_hda_codec_cleanup_stream(codec, hinfo->nid);
1379         return 0;
1380 }
1381
1382 static int hdmi_pcm_close(struct hda_pcm_stream *hinfo,
1383                           struct hda_codec *codec,
1384                           struct snd_pcm_substream *substream)
1385 {
1386         struct hdmi_spec *spec = codec->spec;
1387         int cvt_idx, pin_idx;
1388         struct hdmi_spec_per_cvt *per_cvt;
1389         struct hdmi_spec_per_pin *per_pin;
1390
1391         if (hinfo->nid) {
1392                 cvt_idx = cvt_nid_to_cvt_index(spec, hinfo->nid);
1393                 if (snd_BUG_ON(cvt_idx < 0))
1394                         return -EINVAL;
1395                 per_cvt = &spec->cvts[cvt_idx];
1396
1397                 snd_BUG_ON(!per_cvt->assigned);
1398                 per_cvt->assigned = 0;
1399                 hinfo->nid = 0;
1400
1401                 pin_idx = hinfo_to_pin_index(spec, hinfo);
1402                 if (snd_BUG_ON(pin_idx < 0))
1403                         return -EINVAL;
1404                 per_pin = &spec->pins[pin_idx];
1405
1406                 snd_hda_spdif_ctls_unassign(codec, pin_idx);
1407                 per_pin->chmap_set = false;
1408                 memset(per_pin->chmap, 0, sizeof(per_pin->chmap));
1409         }
1410
1411         return 0;
1412 }
1413
1414 static const struct hda_pcm_ops generic_ops = {
1415         .open = hdmi_pcm_open,
1416         .close = hdmi_pcm_close,
1417         .prepare = generic_hdmi_playback_pcm_prepare,
1418         .cleanup = generic_hdmi_playback_pcm_cleanup,
1419 };
1420
1421 /*
1422  * ALSA API channel-map control callbacks
1423  */
1424 static int hdmi_chmap_ctl_info(struct snd_kcontrol *kcontrol,
1425                                struct snd_ctl_elem_info *uinfo)
1426 {
1427         struct snd_pcm_chmap *info = snd_kcontrol_chip(kcontrol);
1428         struct hda_codec *codec = info->private_data;
1429         struct hdmi_spec *spec = codec->spec;
1430         uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
1431         uinfo->count = spec->channels_max;
1432         uinfo->value.integer.min = 0;
1433         uinfo->value.integer.max = SNDRV_CHMAP_LAST;
1434         return 0;
1435 }
1436
1437 static int hdmi_chmap_ctl_tlv(struct snd_kcontrol *kcontrol, int op_flag,
1438                               unsigned int size, unsigned int __user *tlv)
1439 {
1440         struct snd_pcm_chmap *info = snd_kcontrol_chip(kcontrol);
1441         struct hda_codec *codec = info->private_data;
1442         struct hdmi_spec *spec = codec->spec;
1443         const unsigned int valid_mask =
1444                 FL | FR | RL | RR | LFE | FC | RLC | RRC;
1445         unsigned int __user *dst;
1446         int chs, count = 0;
1447
1448         if (size < 8)
1449                 return -ENOMEM;
1450         if (put_user(SNDRV_CTL_TLVT_CONTAINER, tlv))
1451                 return -EFAULT;
1452         size -= 8;
1453         dst = tlv + 2;
1454         for (chs = 2; chs <= spec->channels_max; chs++) {
1455                 int i, c;
1456                 struct cea_channel_speaker_allocation *cap;
1457                 cap = channel_allocations;
1458                 for (i = 0; i < ARRAY_SIZE(channel_allocations); i++, cap++) {
1459                         int chs_bytes = chs * 4;
1460                         if (cap->channels != chs)
1461                                 continue;
1462                         if (cap->spk_mask & ~valid_mask)
1463                                 continue;
1464                         if (size < 8)
1465                                 return -ENOMEM;
1466                         if (put_user(SNDRV_CTL_TLVT_CHMAP_VAR, dst) ||
1467                             put_user(chs_bytes, dst + 1))
1468                                 return -EFAULT;
1469                         dst += 2;
1470                         size -= 8;
1471                         count += 8;
1472                         if (size < chs_bytes)
1473                                 return -ENOMEM;
1474                         size -= chs_bytes;
1475                         count += chs_bytes;
1476                         for (c = 7; c >= 0; c--) {
1477                                 int spk = cap->speakers[c];
1478                                 if (!spk)
1479                                         continue;
1480                                 if (put_user(spk_to_chmap(spk), dst))
1481                                         return -EFAULT;
1482                                 dst++;
1483                         }
1484                 }
1485         }
1486         if (put_user(count, tlv + 1))
1487                 return -EFAULT;
1488         return 0;
1489 }
1490
1491 static int hdmi_chmap_ctl_get(struct snd_kcontrol *kcontrol,
1492                               struct snd_ctl_elem_value *ucontrol)
1493 {
1494         struct snd_pcm_chmap *info = snd_kcontrol_chip(kcontrol);
1495         struct hda_codec *codec = info->private_data;
1496         struct hdmi_spec *spec = codec->spec;
1497         int pin_idx = kcontrol->private_value;
1498         struct hdmi_spec_per_pin *per_pin = &spec->pins[pin_idx];
1499         int i;
1500
1501         for (i = 0; i < ARRAY_SIZE(per_pin->chmap); i++)
1502                 ucontrol->value.integer.value[i] = per_pin->chmap[i];
1503         return 0;
1504 }
1505
1506 static int hdmi_chmap_ctl_put(struct snd_kcontrol *kcontrol,
1507                               struct snd_ctl_elem_value *ucontrol)
1508 {
1509         struct snd_pcm_chmap *info = snd_kcontrol_chip(kcontrol);
1510         struct hda_codec *codec = info->private_data;
1511         struct hdmi_spec *spec = codec->spec;
1512         int pin_idx = kcontrol->private_value;
1513         struct hdmi_spec_per_pin *per_pin = &spec->pins[pin_idx];
1514         unsigned int ctl_idx;
1515         struct snd_pcm_substream *substream;
1516         unsigned char chmap[8];
1517         int i, ca, prepared = 0;
1518
1519         ctl_idx = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id);
1520         substream = snd_pcm_chmap_substream(info, ctl_idx);
1521         if (!substream || !substream->runtime)
1522                 return 0; /* just for avoiding error from alsactl restore */
1523         switch (substream->runtime->status->state) {
1524         case SNDRV_PCM_STATE_OPEN:
1525         case SNDRV_PCM_STATE_SETUP:
1526                 break;
1527         case SNDRV_PCM_STATE_PREPARED:
1528                 prepared = 1;
1529                 break;
1530         default:
1531                 return -EBUSY;
1532         }
1533         memset(chmap, 0, sizeof(chmap));
1534         for (i = 0; i < ARRAY_SIZE(chmap); i++)
1535                 chmap[i] = ucontrol->value.integer.value[i];
1536         if (!memcmp(chmap, per_pin->chmap, sizeof(chmap)))
1537                 return 0;
1538         ca = hdmi_manual_channel_allocation(ARRAY_SIZE(chmap), chmap);
1539         if (ca < 0)
1540                 return -EINVAL;
1541         per_pin->chmap_set = true;
1542         memcpy(per_pin->chmap, chmap, sizeof(chmap));
1543         if (prepared)
1544                 hdmi_setup_audio_infoframe(codec, pin_idx, per_pin->non_pcm,
1545                                            substream);
1546
1547         return 0;
1548 }
1549
1550 static int generic_hdmi_build_pcms(struct hda_codec *codec)
1551 {
1552         struct hdmi_spec *spec = codec->spec;
1553         int pin_idx;
1554
1555         for (pin_idx = 0; pin_idx < spec->num_pins; pin_idx++) {
1556                 struct hda_pcm *info;
1557                 struct hda_pcm_stream *pstr;
1558
1559                 info = &spec->pcm_rec[pin_idx];
1560                 info->name = get_hdmi_pcm_name(pin_idx);
1561                 info->pcm_type = HDA_PCM_TYPE_HDMI;
1562                 info->own_chmap = true;
1563
1564                 pstr = &info->stream[SNDRV_PCM_STREAM_PLAYBACK];
1565                 pstr->substreams = 1;
1566                 pstr->ops = generic_ops;
1567                 /* other pstr fields are set in open */
1568         }
1569
1570         codec->num_pcms = spec->num_pins;
1571         codec->pcm_info = spec->pcm_rec;
1572
1573         return 0;
1574 }
1575
1576 static int generic_hdmi_build_jack(struct hda_codec *codec, int pin_idx)
1577 {
1578         char hdmi_str[32] = "HDMI/DP";
1579         struct hdmi_spec *spec = codec->spec;
1580         struct hdmi_spec_per_pin *per_pin = &spec->pins[pin_idx];
1581         int pcmdev = spec->pcm_rec[pin_idx].device;
1582
1583         if (pcmdev > 0)
1584                 sprintf(hdmi_str + strlen(hdmi_str), ",pcm=%d", pcmdev);
1585
1586         return snd_hda_jack_add_kctl(codec, per_pin->pin_nid, hdmi_str, 0);
1587 }
1588
1589 static int generic_hdmi_build_controls(struct hda_codec *codec)
1590 {
1591         struct hdmi_spec *spec = codec->spec;
1592         int err;
1593         int pin_idx;
1594
1595         for (pin_idx = 0; pin_idx < spec->num_pins; pin_idx++) {
1596                 struct hdmi_spec_per_pin *per_pin = &spec->pins[pin_idx];
1597
1598                 err = generic_hdmi_build_jack(codec, pin_idx);
1599                 if (err < 0)
1600                         return err;
1601
1602                 err = snd_hda_create_dig_out_ctls(codec,
1603                                                   per_pin->pin_nid,
1604                                                   per_pin->mux_nids[0],
1605                                                   HDA_PCM_TYPE_HDMI);
1606                 if (err < 0)
1607                         return err;
1608                 snd_hda_spdif_ctls_unassign(codec, pin_idx);
1609
1610                 /* add control for ELD Bytes */
1611                 err = hdmi_create_eld_ctl(codec,
1612                                         pin_idx,
1613                                         spec->pcm_rec[pin_idx].device);
1614
1615                 if (err < 0)
1616                         return err;
1617
1618                 hdmi_present_sense(per_pin, 0);
1619         }
1620
1621         /* add channel maps */
1622         for (pin_idx = 0; pin_idx < spec->num_pins; pin_idx++) {
1623                 struct snd_pcm_chmap *chmap;
1624                 struct snd_kcontrol *kctl;
1625                 int i;
1626                 err = snd_pcm_add_chmap_ctls(codec->pcm_info[pin_idx].pcm,
1627                                              SNDRV_PCM_STREAM_PLAYBACK,
1628                                              NULL, 0, pin_idx, &chmap);
1629                 if (err < 0)
1630                         return err;
1631                 /* override handlers */
1632                 chmap->private_data = codec;
1633                 kctl = chmap->kctl;
1634                 for (i = 0; i < kctl->count; i++)
1635                         kctl->vd[i].access |= SNDRV_CTL_ELEM_ACCESS_WRITE;
1636                 kctl->info = hdmi_chmap_ctl_info;
1637                 kctl->get = hdmi_chmap_ctl_get;
1638                 kctl->put = hdmi_chmap_ctl_put;
1639                 kctl->tlv.c = hdmi_chmap_ctl_tlv;
1640         }
1641
1642         return 0;
1643 }
1644
1645 static int generic_hdmi_init_per_pins(struct hda_codec *codec)
1646 {
1647         struct hdmi_spec *spec = codec->spec;
1648         int pin_idx;
1649
1650         for (pin_idx = 0; pin_idx < spec->num_pins; pin_idx++) {
1651                 struct hdmi_spec_per_pin *per_pin = &spec->pins[pin_idx];
1652                 struct hdmi_eld *eld = &per_pin->sink_eld;
1653
1654                 per_pin->codec = codec;
1655                 INIT_DELAYED_WORK(&per_pin->work, hdmi_repoll_eld);
1656                 snd_hda_eld_proc_new(codec, eld, pin_idx);
1657         }
1658         return 0;
1659 }
1660
1661 static int generic_hdmi_init(struct hda_codec *codec)
1662 {
1663         struct hdmi_spec *spec = codec->spec;
1664         int pin_idx;
1665
1666         for (pin_idx = 0; pin_idx < spec->num_pins; pin_idx++) {
1667                 struct hdmi_spec_per_pin *per_pin = &spec->pins[pin_idx];
1668                 hda_nid_t pin_nid = per_pin->pin_nid;
1669
1670                 hdmi_init_pin(codec, pin_nid);
1671                 snd_hda_jack_detect_enable(codec, pin_nid, pin_nid);
1672         }
1673         return 0;
1674 }
1675
1676 static void generic_hdmi_free(struct hda_codec *codec)
1677 {
1678         struct hdmi_spec *spec = codec->spec;
1679         int pin_idx;
1680
1681         for (pin_idx = 0; pin_idx < spec->num_pins; pin_idx++) {
1682                 struct hdmi_spec_per_pin *per_pin = &spec->pins[pin_idx];
1683                 struct hdmi_eld *eld = &per_pin->sink_eld;
1684
1685                 cancel_delayed_work(&per_pin->work);
1686                 snd_hda_eld_proc_free(codec, eld);
1687         }
1688
1689         flush_workqueue(codec->bus->workq);
1690         kfree(spec);
1691 }
1692
1693 static const struct hda_codec_ops generic_hdmi_patch_ops = {
1694         .init                   = generic_hdmi_init,
1695         .free                   = generic_hdmi_free,
1696         .build_pcms             = generic_hdmi_build_pcms,
1697         .build_controls         = generic_hdmi_build_controls,
1698         .unsol_event            = hdmi_unsol_event,
1699 };
1700
1701
1702 static void intel_haswell_fixup_connect_list(struct hda_codec *codec,
1703                                              hda_nid_t nid)
1704 {
1705         struct hdmi_spec *spec = codec->spec;
1706         hda_nid_t conns[4];
1707         int nconns;
1708
1709         nconns = snd_hda_get_connections(codec, nid, conns, ARRAY_SIZE(conns));
1710         if (nconns == spec->num_cvts &&
1711             !memcmp(conns, spec->cvt_nids, spec->num_cvts * sizeof(hda_nid_t)))
1712                 return;
1713
1714         /* override pins connection list */
1715         snd_printdd("hdmi: haswell: override pin connection 0x%x\n", nid);
1716         snd_hda_override_conn_list(codec, nid, spec->num_cvts, spec->cvt_nids);
1717 }
1718
1719 #define INTEL_VENDOR_NID 0x08
1720 #define INTEL_GET_VENDOR_VERB 0xf81
1721 #define INTEL_SET_VENDOR_VERB 0x781
1722 #define INTEL_EN_DP12                   0x02 /* enable DP 1.2 features */
1723 #define INTEL_EN_ALL_PIN_CVTS   0x01 /* enable 2nd & 3rd pins and convertors */
1724
1725 static void intel_haswell_enable_all_pins(struct hda_codec *codec,
1726                                         const struct hda_fixup *fix, int action)
1727 {
1728         unsigned int vendor_param;
1729
1730         if (action != HDA_FIXUP_ACT_PRE_PROBE)
1731                 return;
1732         vendor_param = snd_hda_codec_read(codec, INTEL_VENDOR_NID, 0,
1733                                 INTEL_GET_VENDOR_VERB, 0);
1734         if (vendor_param == -1 || vendor_param & INTEL_EN_ALL_PIN_CVTS)
1735                 return;
1736
1737         vendor_param |= INTEL_EN_ALL_PIN_CVTS;
1738         vendor_param = snd_hda_codec_read(codec, INTEL_VENDOR_NID, 0,
1739                                 INTEL_SET_VENDOR_VERB, vendor_param);
1740         if (vendor_param == -1)
1741                 return;
1742
1743         snd_hda_codec_update_widgets(codec);
1744         return;
1745 }
1746
1747 static void intel_haswell_fixup_enable_dp12(struct hda_codec *codec)
1748 {
1749         unsigned int vendor_param;
1750
1751         vendor_param = snd_hda_codec_read(codec, INTEL_VENDOR_NID, 0,
1752                                 INTEL_GET_VENDOR_VERB, 0);
1753         if (vendor_param == -1 || vendor_param & INTEL_EN_DP12)
1754                 return;
1755
1756         /* enable DP1.2 mode */
1757         vendor_param |= INTEL_EN_DP12;
1758         snd_hda_codec_write_cache(codec, INTEL_VENDOR_NID, 0,
1759                                 INTEL_SET_VENDOR_VERB, vendor_param);
1760 }
1761
1762
1763
1764 /* available models for fixup */
1765 enum {
1766         INTEL_HASWELL,
1767 };
1768
1769 static const struct hda_model_fixup hdmi_models[] = {
1770         {.id = INTEL_HASWELL, .name = "Haswell"},
1771         {}
1772 };
1773
1774 static const struct snd_pci_quirk hdmi_fixup_tbl[] = {
1775         SND_PCI_QUIRK(0x8086, 0x2010, "Haswell", INTEL_HASWELL),
1776         {} /* terminator */
1777 };
1778
1779 static const struct hda_fixup hdmi_fixups[] = {
1780         [INTEL_HASWELL] = {
1781                 .type = HDA_FIXUP_FUNC,
1782                 .v.func = intel_haswell_enable_all_pins,
1783         },
1784 };
1785
1786
1787 static int patch_generic_hdmi(struct hda_codec *codec)
1788 {
1789         struct hdmi_spec *spec;
1790
1791         spec = kzalloc(sizeof(*spec), GFP_KERNEL);
1792         if (spec == NULL)
1793                 return -ENOMEM;
1794
1795         codec->spec = spec;
1796
1797         snd_hda_pick_fixup(codec, hdmi_models, hdmi_fixup_tbl, hdmi_fixups);
1798         snd_hda_apply_fixup(codec, HDA_FIXUP_ACT_PRE_PROBE);
1799
1800         if (codec->vendor_id == 0x80862807)
1801                 intel_haswell_fixup_enable_dp12(codec);
1802
1803         if (hdmi_parse_codec(codec) < 0) {
1804                 codec->spec = NULL;
1805                 kfree(spec);
1806                 return -EINVAL;
1807         }
1808         codec->patch_ops = generic_hdmi_patch_ops;
1809         generic_hdmi_init_per_pins(codec);
1810
1811         init_channel_allocations();
1812
1813         return 0;
1814 }
1815
1816 /*
1817  * Shared non-generic implementations
1818  */
1819
1820 static int simple_playback_build_pcms(struct hda_codec *codec)
1821 {
1822         struct hdmi_spec *spec = codec->spec;
1823         struct hda_pcm *info = spec->pcm_rec;
1824         unsigned int chans;
1825         struct hda_pcm_stream *pstr;
1826
1827         codec->num_pcms = 1;
1828         codec->pcm_info = info;
1829
1830         chans = get_wcaps(codec, spec->cvts[0].cvt_nid);
1831         chans = get_wcaps_channels(chans);
1832
1833         info->name = get_hdmi_pcm_name(0);
1834         info->pcm_type = HDA_PCM_TYPE_HDMI;
1835         pstr = &info->stream[SNDRV_PCM_STREAM_PLAYBACK];
1836         *pstr = spec->pcm_playback;
1837         pstr->nid = spec->cvts[0].cvt_nid;
1838         if (pstr->channels_max <= 2 && chans && chans <= 16)
1839                 pstr->channels_max = chans;
1840
1841         return 0;
1842 }
1843
1844 /* unsolicited event for jack sensing */
1845 static void simple_hdmi_unsol_event(struct hda_codec *codec,
1846                                     unsigned int res)
1847 {
1848         snd_hda_jack_set_dirty_all(codec);
1849         snd_hda_jack_report_sync(codec);
1850 }
1851
1852 /* generic_hdmi_build_jack can be used for simple_hdmi, too,
1853  * as long as spec->pins[] is set correctly
1854  */
1855 #define simple_hdmi_build_jack  generic_hdmi_build_jack
1856
1857 static int simple_playback_build_controls(struct hda_codec *codec)
1858 {
1859         struct hdmi_spec *spec = codec->spec;
1860         int err;
1861
1862         err = snd_hda_create_spdif_out_ctls(codec,
1863                                             spec->cvts[0].cvt_nid,
1864                                             spec->cvts[0].cvt_nid);
1865         if (err < 0)
1866                 return err;
1867         return simple_hdmi_build_jack(codec, 0);
1868 }
1869
1870 static int simple_playback_init(struct hda_codec *codec)
1871 {
1872         struct hdmi_spec *spec = codec->spec;
1873         hda_nid_t pin = spec->pins[0].pin_nid;
1874
1875         snd_hda_codec_write(codec, pin, 0,
1876                             AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_OUT);
1877         /* some codecs require to unmute the pin */
1878         if (get_wcaps(codec, pin) & AC_WCAP_OUT_AMP)
1879                 snd_hda_codec_write(codec, pin, 0, AC_VERB_SET_AMP_GAIN_MUTE,
1880                                     AMP_OUT_UNMUTE);
1881         snd_hda_jack_detect_enable(codec, pin, pin);
1882         return 0;
1883 }
1884
1885 static void simple_playback_free(struct hda_codec *codec)
1886 {
1887         struct hdmi_spec *spec = codec->spec;
1888
1889         kfree(spec);
1890 }
1891
1892 /*
1893  * Nvidia specific implementations
1894  */
1895
1896 #define Nv_VERB_SET_Channel_Allocation          0xF79
1897 #define Nv_VERB_SET_Info_Frame_Checksum         0xF7A
1898 #define Nv_VERB_SET_Audio_Protection_On         0xF98
1899 #define Nv_VERB_SET_Audio_Protection_Off        0xF99
1900
1901 #define nvhdmi_master_con_nid_7x        0x04
1902 #define nvhdmi_master_pin_nid_7x        0x05
1903
1904 static const hda_nid_t nvhdmi_con_nids_7x[4] = {
1905         /*front, rear, clfe, rear_surr */
1906         0x6, 0x8, 0xa, 0xc,
1907 };
1908
1909 static const struct hda_verb nvhdmi_basic_init_7x_2ch[] = {
1910         /* set audio protect on */
1911         { 0x1, Nv_VERB_SET_Audio_Protection_On, 0x1},
1912         /* enable digital output on pin widget */
1913         { 0x5, AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_OUT | 0x5 },
1914         {} /* terminator */
1915 };
1916
1917 static const struct hda_verb nvhdmi_basic_init_7x_8ch[] = {
1918         /* set audio protect on */
1919         { 0x1, Nv_VERB_SET_Audio_Protection_On, 0x1},
1920         /* enable digital output on pin widget */
1921         { 0x5, AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_OUT | 0x5 },
1922         { 0x7, AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_OUT | 0x5 },
1923         { 0x9, AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_OUT | 0x5 },
1924         { 0xb, AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_OUT | 0x5 },
1925         { 0xd, AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_OUT | 0x5 },
1926         {} /* terminator */
1927 };
1928
1929 #ifdef LIMITED_RATE_FMT_SUPPORT
1930 /* support only the safe format and rate */
1931 #define SUPPORTED_RATES         SNDRV_PCM_RATE_48000
1932 #define SUPPORTED_MAXBPS        16
1933 #define SUPPORTED_FORMATS       SNDRV_PCM_FMTBIT_S16_LE
1934 #else
1935 /* support all rates and formats */
1936 #define SUPPORTED_RATES \
1937         (SNDRV_PCM_RATE_32000 | SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_48000 |\
1938         SNDRV_PCM_RATE_88200 | SNDRV_PCM_RATE_96000 | SNDRV_PCM_RATE_176400 |\
1939          SNDRV_PCM_RATE_192000)
1940 #define SUPPORTED_MAXBPS        24
1941 #define SUPPORTED_FORMATS \
1942         (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S32_LE)
1943 #endif
1944
1945 static int nvhdmi_7x_init_2ch(struct hda_codec *codec)
1946 {
1947         snd_hda_sequence_write(codec, nvhdmi_basic_init_7x_2ch);
1948         return 0;
1949 }
1950
1951 static int nvhdmi_7x_init_8ch(struct hda_codec *codec)
1952 {
1953         snd_hda_sequence_write(codec, nvhdmi_basic_init_7x_8ch);
1954         return 0;
1955 }
1956
1957 static unsigned int channels_2_6_8[] = {
1958         2, 6, 8
1959 };
1960
1961 static unsigned int channels_2_8[] = {
1962         2, 8
1963 };
1964
1965 static struct snd_pcm_hw_constraint_list hw_constraints_2_6_8_channels = {
1966         .count = ARRAY_SIZE(channels_2_6_8),
1967         .list = channels_2_6_8,
1968         .mask = 0,
1969 };
1970
1971 static struct snd_pcm_hw_constraint_list hw_constraints_2_8_channels = {
1972         .count = ARRAY_SIZE(channels_2_8),
1973         .list = channels_2_8,
1974         .mask = 0,
1975 };
1976
1977 static int simple_playback_pcm_open(struct hda_pcm_stream *hinfo,
1978                                     struct hda_codec *codec,
1979                                     struct snd_pcm_substream *substream)
1980 {
1981         struct hdmi_spec *spec = codec->spec;
1982         struct snd_pcm_hw_constraint_list *hw_constraints_channels = NULL;
1983
1984         switch (codec->preset->id) {
1985         case 0x10de0002:
1986         case 0x10de0003:
1987         case 0x10de0005:
1988         case 0x10de0006:
1989                 hw_constraints_channels = &hw_constraints_2_8_channels;
1990                 break;
1991         case 0x10de0007:
1992                 hw_constraints_channels = &hw_constraints_2_6_8_channels;
1993                 break;
1994         default:
1995                 break;
1996         }
1997
1998         if (hw_constraints_channels != NULL) {
1999                 snd_pcm_hw_constraint_list(substream->runtime, 0,
2000                                 SNDRV_PCM_HW_PARAM_CHANNELS,
2001                                 hw_constraints_channels);
2002         } else {
2003                 snd_pcm_hw_constraint_step(substream->runtime, 0,
2004                                            SNDRV_PCM_HW_PARAM_CHANNELS, 2);
2005         }
2006
2007         return snd_hda_multi_out_dig_open(codec, &spec->multiout);
2008 }
2009
2010 static int simple_playback_pcm_close(struct hda_pcm_stream *hinfo,
2011                                      struct hda_codec *codec,
2012                                      struct snd_pcm_substream *substream)
2013 {
2014         struct hdmi_spec *spec = codec->spec;
2015         return snd_hda_multi_out_dig_close(codec, &spec->multiout);
2016 }
2017
2018 static int simple_playback_pcm_prepare(struct hda_pcm_stream *hinfo,
2019                                        struct hda_codec *codec,
2020                                        unsigned int stream_tag,
2021                                        unsigned int format,
2022                                        struct snd_pcm_substream *substream)
2023 {
2024         struct hdmi_spec *spec = codec->spec;
2025         return snd_hda_multi_out_dig_prepare(codec, &spec->multiout,
2026                                              stream_tag, format, substream);
2027 }
2028
2029 static const struct hda_pcm_stream simple_pcm_playback = {
2030         .substreams = 1,
2031         .channels_min = 2,
2032         .channels_max = 2,
2033         .ops = {
2034                 .open = simple_playback_pcm_open,
2035                 .close = simple_playback_pcm_close,
2036                 .prepare = simple_playback_pcm_prepare
2037         },
2038 };
2039
2040 static const struct hda_codec_ops simple_hdmi_patch_ops = {
2041         .build_controls = simple_playback_build_controls,
2042         .build_pcms = simple_playback_build_pcms,
2043         .init = simple_playback_init,
2044         .free = simple_playback_free,
2045         .unsol_event = simple_hdmi_unsol_event,
2046 };
2047
2048 static int patch_simple_hdmi(struct hda_codec *codec,
2049                              hda_nid_t cvt_nid, hda_nid_t pin_nid)
2050 {
2051         struct hdmi_spec *spec;
2052
2053         spec = kzalloc(sizeof(*spec), GFP_KERNEL);
2054         if (!spec)
2055                 return -ENOMEM;
2056
2057         codec->spec = spec;
2058
2059         spec->multiout.num_dacs = 0;  /* no analog */
2060         spec->multiout.max_channels = 2;
2061         spec->multiout.dig_out_nid = cvt_nid;
2062         spec->num_cvts = 1;
2063         spec->num_pins = 1;
2064         spec->cvts[0].cvt_nid = cvt_nid;
2065         spec->pins[0].pin_nid = pin_nid;
2066         spec->pcm_playback = simple_pcm_playback;
2067
2068         codec->patch_ops = simple_hdmi_patch_ops;
2069
2070         return 0;
2071 }
2072
2073 static void nvhdmi_8ch_7x_set_info_frame_parameters(struct hda_codec *codec,
2074                                                     int channels)
2075 {
2076         unsigned int chanmask;
2077         int chan = channels ? (channels - 1) : 1;
2078
2079         switch (channels) {
2080         default:
2081         case 0:
2082         case 2:
2083                 chanmask = 0x00;
2084                 break;
2085         case 4:
2086                 chanmask = 0x08;
2087                 break;
2088         case 6:
2089                 chanmask = 0x0b;
2090                 break;
2091         case 8:
2092                 chanmask = 0x13;
2093                 break;
2094         }
2095
2096         /* Set the audio infoframe channel allocation and checksum fields.  The
2097          * channel count is computed implicitly by the hardware. */
2098         snd_hda_codec_write(codec, 0x1, 0,
2099                         Nv_VERB_SET_Channel_Allocation, chanmask);
2100
2101         snd_hda_codec_write(codec, 0x1, 0,
2102                         Nv_VERB_SET_Info_Frame_Checksum,
2103                         (0x71 - chan - chanmask));
2104 }
2105
2106 static int nvhdmi_8ch_7x_pcm_close(struct hda_pcm_stream *hinfo,
2107                                    struct hda_codec *codec,
2108                                    struct snd_pcm_substream *substream)
2109 {
2110         struct hdmi_spec *spec = codec->spec;
2111         int i;
2112
2113         snd_hda_codec_write(codec, nvhdmi_master_con_nid_7x,
2114                         0, AC_VERB_SET_CHANNEL_STREAMID, 0);
2115         for (i = 0; i < 4; i++) {
2116                 /* set the stream id */
2117                 snd_hda_codec_write(codec, nvhdmi_con_nids_7x[i], 0,
2118                                 AC_VERB_SET_CHANNEL_STREAMID, 0);
2119                 /* set the stream format */
2120                 snd_hda_codec_write(codec, nvhdmi_con_nids_7x[i], 0,
2121                                 AC_VERB_SET_STREAM_FORMAT, 0);
2122         }
2123
2124         /* The audio hardware sends a channel count of 0x7 (8ch) when all the
2125          * streams are disabled. */
2126         nvhdmi_8ch_7x_set_info_frame_parameters(codec, 8);
2127
2128         return snd_hda_multi_out_dig_close(codec, &spec->multiout);
2129 }
2130
2131 static int nvhdmi_8ch_7x_pcm_prepare(struct hda_pcm_stream *hinfo,
2132                                      struct hda_codec *codec,
2133                                      unsigned int stream_tag,
2134                                      unsigned int format,
2135                                      struct snd_pcm_substream *substream)
2136 {
2137         int chs;
2138         unsigned int dataDCC2, channel_id;
2139         int i;
2140         struct hdmi_spec *spec = codec->spec;
2141         struct hda_spdif_out *spdif;
2142
2143         mutex_lock(&codec->spdif_mutex);
2144         spdif = snd_hda_spdif_out_of_nid(codec, spec->cvts[0].cvt_nid);
2145
2146         chs = substream->runtime->channels;
2147
2148         dataDCC2 = 0x2;
2149
2150         /* turn off SPDIF once; otherwise the IEC958 bits won't be updated */
2151         if (codec->spdif_status_reset && (spdif->ctls & AC_DIG1_ENABLE))
2152                 snd_hda_codec_write(codec,
2153                                 nvhdmi_master_con_nid_7x,
2154                                 0,
2155                                 AC_VERB_SET_DIGI_CONVERT_1,
2156                                 spdif->ctls & ~AC_DIG1_ENABLE & 0xff);
2157
2158         /* set the stream id */
2159         snd_hda_codec_write(codec, nvhdmi_master_con_nid_7x, 0,
2160                         AC_VERB_SET_CHANNEL_STREAMID, (stream_tag << 4) | 0x0);
2161
2162         /* set the stream format */
2163         snd_hda_codec_write(codec, nvhdmi_master_con_nid_7x, 0,
2164                         AC_VERB_SET_STREAM_FORMAT, format);
2165
2166         /* turn on again (if needed) */
2167         /* enable and set the channel status audio/data flag */
2168         if (codec->spdif_status_reset && (spdif->ctls & AC_DIG1_ENABLE)) {
2169                 snd_hda_codec_write(codec,
2170                                 nvhdmi_master_con_nid_7x,
2171                                 0,
2172                                 AC_VERB_SET_DIGI_CONVERT_1,
2173                                 spdif->ctls & 0xff);
2174                 snd_hda_codec_write(codec,
2175                                 nvhdmi_master_con_nid_7x,
2176                                 0,
2177                                 AC_VERB_SET_DIGI_CONVERT_2, dataDCC2);
2178         }
2179
2180         for (i = 0; i < 4; i++) {
2181                 if (chs == 2)
2182                         channel_id = 0;
2183                 else
2184                         channel_id = i * 2;
2185
2186                 /* turn off SPDIF once;
2187                  *otherwise the IEC958 bits won't be updated
2188                  */
2189                 if (codec->spdif_status_reset &&
2190                 (spdif->ctls & AC_DIG1_ENABLE))
2191                         snd_hda_codec_write(codec,
2192                                 nvhdmi_con_nids_7x[i],
2193                                 0,
2194                                 AC_VERB_SET_DIGI_CONVERT_1,
2195                                 spdif->ctls & ~AC_DIG1_ENABLE & 0xff);
2196                 /* set the stream id */
2197                 snd_hda_codec_write(codec,
2198                                 nvhdmi_con_nids_7x[i],
2199                                 0,
2200                                 AC_VERB_SET_CHANNEL_STREAMID,
2201                                 (stream_tag << 4) | channel_id);
2202                 /* set the stream format */
2203                 snd_hda_codec_write(codec,
2204                                 nvhdmi_con_nids_7x[i],
2205                                 0,
2206                                 AC_VERB_SET_STREAM_FORMAT,
2207                                 format);
2208                 /* turn on again (if needed) */
2209                 /* enable and set the channel status audio/data flag */
2210                 if (codec->spdif_status_reset &&
2211                 (spdif->ctls & AC_DIG1_ENABLE)) {
2212                         snd_hda_codec_write(codec,
2213                                         nvhdmi_con_nids_7x[i],
2214                                         0,
2215                                         AC_VERB_SET_DIGI_CONVERT_1,
2216                                         spdif->ctls & 0xff);
2217                         snd_hda_codec_write(codec,
2218                                         nvhdmi_con_nids_7x[i],
2219                                         0,
2220                                         AC_VERB_SET_DIGI_CONVERT_2, dataDCC2);
2221                 }
2222         }
2223
2224         nvhdmi_8ch_7x_set_info_frame_parameters(codec, chs);
2225
2226         mutex_unlock(&codec->spdif_mutex);
2227         return 0;
2228 }
2229
2230 static const struct hda_pcm_stream nvhdmi_pcm_playback_8ch_7x = {
2231         .substreams = 1,
2232         .channels_min = 2,
2233         .channels_max = 8,
2234         .nid = nvhdmi_master_con_nid_7x,
2235         .rates = SUPPORTED_RATES,
2236         .maxbps = SUPPORTED_MAXBPS,
2237         .formats = SUPPORTED_FORMATS,
2238         .ops = {
2239                 .open = simple_playback_pcm_open,
2240                 .close = nvhdmi_8ch_7x_pcm_close,
2241                 .prepare = nvhdmi_8ch_7x_pcm_prepare
2242         },
2243 };
2244
2245 static int patch_nvhdmi_2ch(struct hda_codec *codec)
2246 {
2247         struct hdmi_spec *spec;
2248         int err = patch_simple_hdmi(codec, nvhdmi_master_con_nid_7x,
2249                                     nvhdmi_master_pin_nid_7x);
2250         if (err < 0)
2251                 return err;
2252
2253         codec->patch_ops.init = nvhdmi_7x_init_2ch;
2254         /* override the PCM rates, etc, as the codec doesn't give full list */
2255         spec = codec->spec;
2256         spec->pcm_playback.rates = SUPPORTED_RATES;
2257         spec->pcm_playback.maxbps = SUPPORTED_MAXBPS;
2258         spec->pcm_playback.formats = SUPPORTED_FORMATS;
2259         return 0;
2260 }
2261
2262 static int nvhdmi_7x_8ch_build_pcms(struct hda_codec *codec)
2263 {
2264         struct hdmi_spec *spec = codec->spec;
2265         int err = simple_playback_build_pcms(codec);
2266         spec->pcm_rec[0].own_chmap = true;
2267         return err;
2268 }
2269
2270 static int nvhdmi_7x_8ch_build_controls(struct hda_codec *codec)
2271 {
2272         struct hdmi_spec *spec = codec->spec;
2273         struct snd_pcm_chmap *chmap;
2274         int err;
2275
2276         err = simple_playback_build_controls(codec);
2277         if (err < 0)
2278                 return err;
2279
2280         /* add channel maps */
2281         err = snd_pcm_add_chmap_ctls(spec->pcm_rec[0].pcm,
2282                                      SNDRV_PCM_STREAM_PLAYBACK,
2283                                      snd_pcm_alt_chmaps, 8, 0, &chmap);
2284         if (err < 0)
2285                 return err;
2286         switch (codec->preset->id) {
2287         case 0x10de0002:
2288         case 0x10de0003:
2289         case 0x10de0005:
2290         case 0x10de0006:
2291                 chmap->channel_mask = (1U << 2) | (1U << 8);
2292                 break;
2293         case 0x10de0007:
2294                 chmap->channel_mask = (1U << 2) | (1U << 6) | (1U << 8);
2295         }
2296         return 0;
2297 }
2298
2299 static int patch_nvhdmi_8ch_7x(struct hda_codec *codec)
2300 {
2301         struct hdmi_spec *spec;
2302         int err = patch_nvhdmi_2ch(codec);
2303         if (err < 0)
2304                 return err;
2305         spec = codec->spec;
2306         spec->multiout.max_channels = 8;
2307         spec->pcm_playback = nvhdmi_pcm_playback_8ch_7x;
2308         codec->patch_ops.init = nvhdmi_7x_init_8ch;
2309         codec->patch_ops.build_pcms = nvhdmi_7x_8ch_build_pcms;
2310         codec->patch_ops.build_controls = nvhdmi_7x_8ch_build_controls;
2311
2312         /* Initialize the audio infoframe channel mask and checksum to something
2313          * valid */
2314         nvhdmi_8ch_7x_set_info_frame_parameters(codec, 8);
2315
2316         return 0;
2317 }
2318
2319 /*
2320  * ATI-specific implementations
2321  *
2322  * FIXME: we may omit the whole this and use the generic code once after
2323  * it's confirmed to work.
2324  */
2325
2326 #define ATIHDMI_CVT_NID         0x02    /* audio converter */
2327 #define ATIHDMI_PIN_NID         0x03    /* HDMI output pin */
2328
2329 static int atihdmi_playback_pcm_prepare(struct hda_pcm_stream *hinfo,
2330                                         struct hda_codec *codec,
2331                                         unsigned int stream_tag,
2332                                         unsigned int format,
2333                                         struct snd_pcm_substream *substream)
2334 {
2335         struct hdmi_spec *spec = codec->spec;
2336         int chans = substream->runtime->channels;
2337         int i, err;
2338
2339         err = simple_playback_pcm_prepare(hinfo, codec, stream_tag, format,
2340                                           substream);
2341         if (err < 0)
2342                 return err;
2343         snd_hda_codec_write(codec, spec->cvts[0].cvt_nid, 0,
2344                             AC_VERB_SET_CVT_CHAN_COUNT, chans - 1);
2345         /* FIXME: XXX */
2346         for (i = 0; i < chans; i++) {
2347                 snd_hda_codec_write(codec, spec->cvts[0].cvt_nid, 0,
2348                                     AC_VERB_SET_HDMI_CHAN_SLOT,
2349                                     (i << 4) | i);
2350         }
2351         return 0;
2352 }
2353
2354 static int patch_atihdmi(struct hda_codec *codec)
2355 {
2356         struct hdmi_spec *spec;
2357         int err = patch_simple_hdmi(codec, ATIHDMI_CVT_NID, ATIHDMI_PIN_NID);
2358         if (err < 0)
2359                 return err;
2360         spec = codec->spec;
2361         spec->pcm_playback.ops.prepare = atihdmi_playback_pcm_prepare;
2362         return 0;
2363 }
2364
2365 /* VIA HDMI Implementation */
2366 #define VIAHDMI_CVT_NID 0x02    /* audio converter1 */
2367 #define VIAHDMI_PIN_NID 0x03    /* HDMI output pin1 */
2368
2369 static int patch_via_hdmi(struct hda_codec *codec)
2370 {
2371         return patch_simple_hdmi(codec, VIAHDMI_CVT_NID, VIAHDMI_PIN_NID);
2372 }
2373
2374 /*
2375  * patch entries
2376  */
2377 static const struct hda_codec_preset snd_hda_preset_hdmi[] = {
2378 { .id = 0x1002793c, .name = "RS600 HDMI",       .patch = patch_atihdmi },
2379 { .id = 0x10027919, .name = "RS600 HDMI",       .patch = patch_atihdmi },
2380 { .id = 0x1002791a, .name = "RS690/780 HDMI",   .patch = patch_atihdmi },
2381 { .id = 0x1002aa01, .name = "R6xx HDMI",        .patch = patch_generic_hdmi },
2382 { .id = 0x10951390, .name = "SiI1390 HDMI",     .patch = patch_generic_hdmi },
2383 { .id = 0x10951392, .name = "SiI1392 HDMI",     .patch = patch_generic_hdmi },
2384 { .id = 0x17e80047, .name = "Chrontel HDMI",    .patch = patch_generic_hdmi },
2385 { .id = 0x10de0002, .name = "MCP77/78 HDMI",    .patch = patch_nvhdmi_8ch_7x },
2386 { .id = 0x10de0003, .name = "MCP77/78 HDMI",    .patch = patch_nvhdmi_8ch_7x },
2387 { .id = 0x10de0005, .name = "MCP77/78 HDMI",    .patch = patch_nvhdmi_8ch_7x },
2388 { .id = 0x10de0006, .name = "MCP77/78 HDMI",    .patch = patch_nvhdmi_8ch_7x },
2389 { .id = 0x10de0007, .name = "MCP79/7A HDMI",    .patch = patch_nvhdmi_8ch_7x },
2390 { .id = 0x10de000a, .name = "GPU 0a HDMI/DP",   .patch = patch_generic_hdmi },
2391 { .id = 0x10de000b, .name = "GPU 0b HDMI/DP",   .patch = patch_generic_hdmi },
2392 { .id = 0x10de000c, .name = "MCP89 HDMI",       .patch = patch_generic_hdmi },
2393 { .id = 0x10de000d, .name = "GPU 0d HDMI/DP",   .patch = patch_generic_hdmi },
2394 { .id = 0x10de0010, .name = "GPU 10 HDMI/DP",   .patch = patch_generic_hdmi },
2395 { .id = 0x10de0011, .name = "GPU 11 HDMI/DP",   .patch = patch_generic_hdmi },
2396 { .id = 0x10de0012, .name = "GPU 12 HDMI/DP",   .patch = patch_generic_hdmi },
2397 { .id = 0x10de0013, .name = "GPU 13 HDMI/DP",   .patch = patch_generic_hdmi },
2398 { .id = 0x10de0014, .name = "GPU 14 HDMI/DP",   .patch = patch_generic_hdmi },
2399 { .id = 0x10de0015, .name = "GPU 15 HDMI/DP",   .patch = patch_generic_hdmi },
2400 { .id = 0x10de0016, .name = "GPU 16 HDMI/DP",   .patch = patch_generic_hdmi },
2401 /* 17 is known to be absent */
2402 { .id = 0x10de0018, .name = "GPU 18 HDMI/DP",   .patch = patch_generic_hdmi },
2403 { .id = 0x10de0019, .name = "GPU 19 HDMI/DP",   .patch = patch_generic_hdmi },
2404 { .id = 0x10de001a, .name = "GPU 1a HDMI/DP",   .patch = patch_generic_hdmi },
2405 { .id = 0x10de001b, .name = "GPU 1b HDMI/DP",   .patch = patch_generic_hdmi },
2406 { .id = 0x10de001c, .name = "GPU 1c HDMI/DP",   .patch = patch_generic_hdmi },
2407 { .id = 0x10de0040, .name = "GPU 40 HDMI/DP",   .patch = patch_generic_hdmi },
2408 { .id = 0x10de0041, .name = "GPU 41 HDMI/DP",   .patch = patch_generic_hdmi },
2409 { .id = 0x10de0042, .name = "GPU 42 HDMI/DP",   .patch = patch_generic_hdmi },
2410 { .id = 0x10de0043, .name = "GPU 43 HDMI/DP",   .patch = patch_generic_hdmi },
2411 { .id = 0x10de0044, .name = "GPU 44 HDMI/DP",   .patch = patch_generic_hdmi },
2412 { .id = 0x10de0051, .name = "GPU 51 HDMI/DP",   .patch = patch_generic_hdmi },
2413 { .id = 0x10de0067, .name = "MCP67 HDMI",       .patch = patch_nvhdmi_2ch },
2414 { .id = 0x10de8001, .name = "MCP73 HDMI",       .patch = patch_nvhdmi_2ch },
2415 { .id = 0x11069f80, .name = "VX900 HDMI/DP",    .patch = patch_via_hdmi },
2416 { .id = 0x11069f81, .name = "VX900 HDMI/DP",    .patch = patch_via_hdmi },
2417 { .id = 0x11069f84, .name = "VX11 HDMI/DP",     .patch = patch_generic_hdmi },
2418 { .id = 0x11069f85, .name = "VX11 HDMI/DP",     .patch = patch_generic_hdmi },
2419 { .id = 0x80860054, .name = "IbexPeak HDMI",    .patch = patch_generic_hdmi },
2420 { .id = 0x80862801, .name = "Bearlake HDMI",    .patch = patch_generic_hdmi },
2421 { .id = 0x80862802, .name = "Cantiga HDMI",     .patch = patch_generic_hdmi },
2422 { .id = 0x80862803, .name = "Eaglelake HDMI",   .patch = patch_generic_hdmi },
2423 { .id = 0x80862804, .name = "IbexPeak HDMI",    .patch = patch_generic_hdmi },
2424 { .id = 0x80862805, .name = "CougarPoint HDMI", .patch = patch_generic_hdmi },
2425 { .id = 0x80862806, .name = "PantherPoint HDMI", .patch = patch_generic_hdmi },
2426 { .id = 0x80862807, .name = "Haswell HDMI",     .patch = patch_generic_hdmi },
2427 { .id = 0x80862880, .name = "CedarTrail HDMI",  .patch = patch_generic_hdmi },
2428 { .id = 0x808629fb, .name = "Crestline HDMI",   .patch = patch_generic_hdmi },
2429 {} /* terminator */
2430 };
2431
2432 MODULE_ALIAS("snd-hda-codec-id:1002793c");
2433 MODULE_ALIAS("snd-hda-codec-id:10027919");
2434 MODULE_ALIAS("snd-hda-codec-id:1002791a");
2435 MODULE_ALIAS("snd-hda-codec-id:1002aa01");
2436 MODULE_ALIAS("snd-hda-codec-id:10951390");
2437 MODULE_ALIAS("snd-hda-codec-id:10951392");
2438 MODULE_ALIAS("snd-hda-codec-id:10de0002");
2439 MODULE_ALIAS("snd-hda-codec-id:10de0003");
2440 MODULE_ALIAS("snd-hda-codec-id:10de0005");
2441 MODULE_ALIAS("snd-hda-codec-id:10de0006");
2442 MODULE_ALIAS("snd-hda-codec-id:10de0007");
2443 MODULE_ALIAS("snd-hda-codec-id:10de000a");
2444 MODULE_ALIAS("snd-hda-codec-id:10de000b");
2445 MODULE_ALIAS("snd-hda-codec-id:10de000c");
2446 MODULE_ALIAS("snd-hda-codec-id:10de000d");
2447 MODULE_ALIAS("snd-hda-codec-id:10de0010");
2448 MODULE_ALIAS("snd-hda-codec-id:10de0011");
2449 MODULE_ALIAS("snd-hda-codec-id:10de0012");
2450 MODULE_ALIAS("snd-hda-codec-id:10de0013");
2451 MODULE_ALIAS("snd-hda-codec-id:10de0014");
2452 MODULE_ALIAS("snd-hda-codec-id:10de0015");
2453 MODULE_ALIAS("snd-hda-codec-id:10de0016");
2454 MODULE_ALIAS("snd-hda-codec-id:10de0018");
2455 MODULE_ALIAS("snd-hda-codec-id:10de0019");
2456 MODULE_ALIAS("snd-hda-codec-id:10de001a");
2457 MODULE_ALIAS("snd-hda-codec-id:10de001b");
2458 MODULE_ALIAS("snd-hda-codec-id:10de001c");
2459 MODULE_ALIAS("snd-hda-codec-id:10de0040");
2460 MODULE_ALIAS("snd-hda-codec-id:10de0041");
2461 MODULE_ALIAS("snd-hda-codec-id:10de0042");
2462 MODULE_ALIAS("snd-hda-codec-id:10de0043");
2463 MODULE_ALIAS("snd-hda-codec-id:10de0044");
2464 MODULE_ALIAS("snd-hda-codec-id:10de0051");
2465 MODULE_ALIAS("snd-hda-codec-id:10de0067");
2466 MODULE_ALIAS("snd-hda-codec-id:10de8001");
2467 MODULE_ALIAS("snd-hda-codec-id:11069f80");
2468 MODULE_ALIAS("snd-hda-codec-id:11069f81");
2469 MODULE_ALIAS("snd-hda-codec-id:11069f84");
2470 MODULE_ALIAS("snd-hda-codec-id:11069f85");
2471 MODULE_ALIAS("snd-hda-codec-id:17e80047");
2472 MODULE_ALIAS("snd-hda-codec-id:80860054");
2473 MODULE_ALIAS("snd-hda-codec-id:80862801");
2474 MODULE_ALIAS("snd-hda-codec-id:80862802");
2475 MODULE_ALIAS("snd-hda-codec-id:80862803");
2476 MODULE_ALIAS("snd-hda-codec-id:80862804");
2477 MODULE_ALIAS("snd-hda-codec-id:80862805");
2478 MODULE_ALIAS("snd-hda-codec-id:80862806");
2479 MODULE_ALIAS("snd-hda-codec-id:80862807");
2480 MODULE_ALIAS("snd-hda-codec-id:80862880");
2481 MODULE_ALIAS("snd-hda-codec-id:808629fb");
2482
2483 MODULE_LICENSE("GPL");
2484 MODULE_DESCRIPTION("HDMI HD-audio codec");
2485 MODULE_ALIAS("snd-hda-codec-intelhdmi");
2486 MODULE_ALIAS("snd-hda-codec-nvhdmi");
2487 MODULE_ALIAS("snd-hda-codec-atihdmi");
2488
2489 static struct hda_codec_preset_list intel_list = {
2490         .preset = snd_hda_preset_hdmi,
2491         .owner = THIS_MODULE,
2492 };
2493
2494 static int __init patch_hdmi_init(void)
2495 {
2496         return snd_hda_add_codec_preset(&intel_list);
2497 }
2498
2499 static void __exit patch_hdmi_exit(void)
2500 {
2501         snd_hda_delete_codec_preset(&intel_list);
2502 }
2503
2504 module_init(patch_hdmi_init)
2505 module_exit(patch_hdmi_exit)