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 struct hdmi_spec_per_cvt {
  48         hda_nid_t cvt_nid;
  49         int assigned;
  50         unsigned int channels_min;
  51         unsigned int channels_max;
  52         u32 rates;
  53         u64 formats;
  54         unsigned int maxbps;
  55 };
  56
  57 /* max. connections to a widget */
  58 #define HDA_MAX_CONNECTIONS     32
  59
  60 struct hdmi_spec_per_pin {
  61         hda_nid_t pin_nid;
  62         int num_mux_nids;
  63         hda_nid_t mux_nids[HDA_MAX_CONNECTIONS];
  64
  65         struct hda_codec *codec;
  66         struct hdmi_eld sink_eld;
  67         struct delayed_work work;
  68         struct snd_kcontrol *eld_ctl;
  69         int repoll_count;
  70         bool non_pcm;
  71         bool chmap_set;         /* channel-map override by ALSA API? */
  72         unsigned char chmap[8]; /* ALSA API channel-map */
  73         char pcm_name[8];       /* filled in build_pcm callbacks */
  74 };
  75
  76 struct hdmi_spec {
  77         int num_cvts;
  78         struct snd_array cvts; /* struct hdmi_spec_per_cvt */
  79         hda_nid_t cvt_nids[4]; /* only for haswell fix */
  80
  81         int num_pins;
  82         struct snd_array pins; /* struct hdmi_spec_per_pin */
  83         struct snd_array pcm_rec; /* struct hda_pcm */
  84         unsigned int channels_max; /* max over all cvts */
  85
  86         struct hdmi_eld temp_eld;
  87         /*
  88          * Non-generic ATI/NVIDIA specific
  89          */
  90         struct hda_multi_out multiout;
  91         struct hda_pcm_stream pcm_playback;
  92 };
  93
  94
  95 struct hdmi_audio_infoframe {
  96         u8 type; /* 0x84 */
  97         u8 ver;  /* 0x01 */
  98         u8 len;  /* 0x0a */
  99
 100         u8 checksum;
 101
 102         u8 CC02_CT47;   /* CC in bits 0:2, CT in 4:7 */
 103         u8 SS01_SF24;
 104         u8 CXT04;
 105         u8 CA;
 106         u8 LFEPBL01_LSV36_DM_INH7;
 107 };
 108
 109 struct dp_audio_infoframe {
 110         u8 type; /* 0x84 */
 111         u8 len;  /* 0x1b */
 112         u8 ver;  /* 0x11 << 2 */
 113
 114         u8 CC02_CT47;   /* match with HDMI infoframe from this on */
 115         u8 SS01_SF24;
 116         u8 CXT04;
 117         u8 CA;
 118         u8 LFEPBL01_LSV36_DM_INH7;
 119 };
 120
 121 union audio_infoframe {
 122         struct hdmi_audio_infoframe hdmi;
 123         struct dp_audio_infoframe dp;
 124         u8 bytes[0];
 125 };
 126
 127 /*
 128  * CEA speaker placement:
 129  *
 130  *        FLH       FCH        FRH
 131  *  FLW    FL  FLC   FC   FRC   FR   FRW
 132  *
 133  *                                  LFE
 134  *                     TC
 135  *
 136  *          RL  RLC   RC   RRC   RR
 137  *
 138  * The Left/Right Surround channel _notions_ LS/RS in SMPTE 320M corresponds to
 139  * CEA RL/RR; The SMPTE channel _assignment_ C/LFE is swapped to CEA LFE/FC.
 140  */
 141 enum cea_speaker_placement {
 142         FL  = (1 <<  0),        /* Front Left           */
 143         FC  = (1 <<  1),        /* Front Center         */
 144         FR  = (1 <<  2),        /* Front Right          */
 145         FLC = (1 <<  3),        /* Front Left Center    */
 146         FRC = (1 <<  4),        /* Front Right Center   */
 147         RL  = (1 <<  5),        /* Rear Left            */
 148         RC  = (1 <<  6),        /* Rear Center          */
 149         RR  = (1 <<  7),        /* Rear Right           */
 150         RLC = (1 <<  8),        /* Rear Left Center     */
 151         RRC = (1 <<  9),        /* Rear Right Center    */
 152         LFE = (1 << 10),        /* Low Frequency Effect */
 153         FLW = (1 << 11),        /* Front Left Wide      */
 154         FRW = (1 << 12),        /* Front Right Wide     */
 155         FLH = (1 << 13),        /* Front Left High      */
 156         FCH = (1 << 14),        /* Front Center High    */
 157         FRH = (1 << 15),        /* Front Right High     */
 158         TC  = (1 << 16),        /* Top Center           */
 159 };
 160
 161 /*
 162  * ELD SA bits in the CEA Speaker Allocation data block
 163  */
 164 static int eld_speaker_allocation_bits[] = {
 165         [0] = FL | FR,
 166         [1] = LFE,
 167         [2] = FC,
 168         [3] = RL | RR,
 169         [4] = RC,
 170         [5] = FLC | FRC,
 171         [6] = RLC | RRC,
 172         /* the following are not defined in ELD yet */
 173         [7] = FLW | FRW,
 174         [8] = FLH | FRH,
 175         [9] = TC,
 176         [10] = FCH,
 177 };
 178
 179 struct cea_channel_speaker_allocation {
 180         int ca_index;
 181         int speakers[8];
 182
 183         /* derived values, just for convenience */
 184         int channels;
 185         int spk_mask;
 186 };
 187
 188 /*
 189  * ALSA sequence is:
 190  *
 191  *       surround40   surround41   surround50   surround51   surround71
 192  * ch0   front left   =            =            =            =
 193  * ch1   front right  =            =            =            =
 194  * ch2   rear left    =            =            =            =
 195  * ch3   rear right   =            =            =            =
 196  * ch4                LFE          center       center       center
 197  * ch5                                          LFE          LFE
 198  * ch6                                                       side left
 199  * ch7                                                       side right
 200  *
 201  * surround71 = {FL, FR, RLC, RRC, FC, LFE, RL, RR}
 202  */
 203 static int hdmi_channel_mapping[0x32][8] = {
 204         /* stereo */
 205         [0x00] = { 0x00, 0x11, 0xf2, 0xf3, 0xf4, 0xf5, 0xf6, 0xf7 },
 206         /* 2.1 */
 207         [0x01] = { 0x00, 0x11, 0x22, 0xf3, 0xf4, 0xf5, 0xf6, 0xf7 },
 208         /* Dolby Surround */
 209         [0x02] = { 0x00, 0x11, 0x23, 0xf2, 0xf4, 0xf5, 0xf6, 0xf7 },
 210         /* surround40 */
 211         [0x08] = { 0x00, 0x11, 0x24, 0x35, 0xf3, 0xf2, 0xf6, 0xf7 },
 212         /* 4ch */
 213         [0x03] = { 0x00, 0x11, 0x23, 0x32, 0x44, 0xf5, 0xf6, 0xf7 },
 214         /* surround41 */
 215         [0x09] = { 0x00, 0x11, 0x24, 0x35, 0x42, 0xf3, 0xf6, 0xf7 },
 216         /* surround50 */
 217         [0x0a] = { 0x00, 0x11, 0x24, 0x35, 0x43, 0xf2, 0xf6, 0xf7 },
 218         /* surround51 */
 219         [0x0b] = { 0x00, 0x11, 0x24, 0x35, 0x43, 0x52, 0xf6, 0xf7 },
 220         /* 7.1 */
 221         [0x13] = { 0x00, 0x11, 0x26, 0x37, 0x43, 0x52, 0x64, 0x75 },
 222 };
 223
 224 /*
 225  * This is an ordered list!
 226  *
 227  * The preceding ones have better chances to be selected by
 228  * hdmi_channel_allocation().
 229  */
 230 static struct cea_channel_speaker_allocation channel_allocations[] = {
 231 /*                        channel:   7     6    5    4    3     2    1    0  */
 232 { .ca_index = 0x00,  .speakers = {   0,    0,   0,   0,   0,    0,  FR,  FL } },
 233                                  /* 2.1 */
 234 { .ca_index = 0x01,  .speakers = {   0,    0,   0,   0,   0,  LFE,  FR,  FL } },
 235                                  /* Dolby Surround */
 236 { .ca_index = 0x02,  .speakers = {   0,    0,   0,   0,  FC,    0,  FR,  FL } },
 237                                  /* surround40 */
 238 { .ca_index = 0x08,  .speakers = {   0,    0,  RR,  RL,   0,    0,  FR,  FL } },
 239                                  /* surround41 */
 240 { .ca_index = 0x09,  .speakers = {   0,    0,  RR,  RL,   0,  LFE,  FR,  FL } },
 241                                  /* surround50 */
 242 { .ca_index = 0x0a,  .speakers = {   0,    0,  RR,  RL,  FC,    0,  FR,  FL } },
 243                                  /* surround51 */
 244 { .ca_index = 0x0b,  .speakers = {   0,    0,  RR,  RL,  FC,  LFE,  FR,  FL } },
 245                                  /* 6.1 */
 246 { .ca_index = 0x0f,  .speakers = {   0,   RC,  RR,  RL,  FC,  LFE,  FR,  FL } },
 247                                  /* surround71 */
 248 { .ca_index = 0x13,  .speakers = { RRC,  RLC,  RR,  RL,  FC,  LFE,  FR,  FL } },
 249
 250 { .ca_index = 0x03,  .speakers = {   0,    0,   0,   0,  FC,  LFE,  FR,  FL } },
 251 { .ca_index = 0x04,  .speakers = {   0,    0,   0,  RC,   0,    0,  FR,  FL } },
 252 { .ca_index = 0x05,  .speakers = {   0,    0,   0,  RC,   0,  LFE,  FR,  FL } },
 253 { .ca_index = 0x06,  .speakers = {   0,    0,   0,  RC,  FC,    0,  FR,  FL } },
 254 { .ca_index = 0x07,  .speakers = {   0,    0,   0,  RC,  FC,  LFE,  FR,  FL } },
 255 { .ca_index = 0x0c,  .speakers = {   0,   RC,  RR,  RL,   0,    0,  FR,  FL } },
 256 { .ca_index = 0x0d,  .speakers = {   0,   RC,  RR,  RL,   0,  LFE,  FR,  FL } },
 257 { .ca_index = 0x0e,  .speakers = {   0,   RC,  RR,  RL,  FC,    0,  FR,  FL } },
 258 { .ca_index = 0x10,  .speakers = { RRC,  RLC,  RR,  RL,   0,    0,  FR,  FL } },
 259 { .ca_index = 0x11,  .speakers = { RRC,  RLC,  RR,  RL,   0,  LFE,  FR,  FL } },
 260 { .ca_index = 0x12,  .speakers = { RRC,  RLC,  RR,  RL,  FC,    0,  FR,  FL } },
 261 { .ca_index = 0x14,  .speakers = { FRC,  FLC,   0,   0,   0,    0,  FR,  FL } },
 262 { .ca_index = 0x15,  .speakers = { FRC,  FLC,   0,   0,   0,  LFE,  FR,  FL } },
 263 { .ca_index = 0x16,  .speakers = { FRC,  FLC,   0,   0,  FC,    0,  FR,  FL } },
 264 { .ca_index = 0x17,  .speakers = { FRC,  FLC,   0,   0,  FC,  LFE,  FR,  FL } },
 265 { .ca_index = 0x18,  .speakers = { FRC,  FLC,   0,  RC,   0,    0,  FR,  FL } },
 266 { .ca_index = 0x19,  .speakers = { FRC,  FLC,   0,  RC,   0,  LFE,  FR,  FL } },
 267 { .ca_index = 0x1a,  .speakers = { FRC,  FLC,   0,  RC,  FC,    0,  FR,  FL } },
 268 { .ca_index = 0x1b,  .speakers = { FRC,  FLC,   0,  RC,  FC,  LFE,  FR,  FL } },
 269 { .ca_index = 0x1c,  .speakers = { FRC,  FLC,  RR,  RL,   0,    0,  FR,  FL } },
 270 { .ca_index = 0x1d,  .speakers = { FRC,  FLC,  RR,  RL,   0,  LFE,  FR,  FL } },
 271 { .ca_index = 0x1e,  .speakers = { FRC,  FLC,  RR,  RL,  FC,    0,  FR,  FL } },
 272 { .ca_index = 0x1f,  .speakers = { FRC,  FLC,  RR,  RL,  FC,  LFE,  FR,  FL } },
 273 { .ca_index = 0x20,  .speakers = {   0,  FCH,  RR,  RL,  FC,    0,  FR,  FL } },
 274 { .ca_index = 0x21,  .speakers = {   0,  FCH,  RR,  RL,  FC,  LFE,  FR,  FL } },
 275 { .ca_index = 0x22,  .speakers = {  TC,    0,  RR,  RL,  FC,    0,  FR,  FL } },
 276 { .ca_index = 0x23,  .speakers = {  TC,    0,  RR,  RL,  FC,  LFE,  FR,  FL } },
 277 { .ca_index = 0x24,  .speakers = { FRH,  FLH,  RR,  RL,   0,    0,  FR,  FL } },
 278 { .ca_index = 0x25,  .speakers = { FRH,  FLH,  RR,  RL,   0,  LFE,  FR,  FL } },
 279 { .ca_index = 0x26,  .speakers = { FRW,  FLW,  RR,  RL,   0,    0,  FR,  FL } },
 280 { .ca_index = 0x27,  .speakers = { FRW,  FLW,  RR,  RL,   0,  LFE,  FR,  FL } },
 281 { .ca_index = 0x28,  .speakers = {  TC,   RC,  RR,  RL,  FC,    0,  FR,  FL } },
 282 { .ca_index = 0x29,  .speakers = {  TC,   RC,  RR,  RL,  FC,  LFE,  FR,  FL } },
 283 { .ca_index = 0x2a,  .speakers = { FCH,   RC,  RR,  RL,  FC,    0,  FR,  FL } },
 284 { .ca_index = 0x2b,  .speakers = { FCH,   RC,  RR,  RL,  FC,  LFE,  FR,  FL } },
 285 { .ca_index = 0x2c,  .speakers = {  TC,  FCH,  RR,  RL,  FC,    0,  FR,  FL } },
 286 { .ca_index = 0x2d,  .speakers = {  TC,  FCH,  RR,  RL,  FC,  LFE,  FR,  FL } },
 287 { .ca_index = 0x2e,  .speakers = { FRH,  FLH,  RR,  RL,  FC,    0,  FR,  FL } },
 288 { .ca_index = 0x2f,  .speakers = { FRH,  FLH,  RR,  RL,  FC,  LFE,  FR,  FL } },
 289 { .ca_index = 0x30,  .speakers = { FRW,  FLW,  RR,  RL,  FC,    0,  FR,  FL } },
 290 { .ca_index = 0x31,  .speakers = { FRW,  FLW,  RR,  RL,  FC,  LFE,  FR,  FL } },
 291 };
 292
 293
 294 /*
 295  * HDMI routines
 296  */
 297
 298 #define get_pin(spec, idx) \
 299         ((struct hdmi_spec_per_pin *)snd_array_elem(&spec->pins, idx))
 300 #define get_cvt(spec, idx) \
 301         ((struct hdmi_spec_per_cvt  *)snd_array_elem(&spec->cvts, idx))
 302 #define get_pcm_rec(spec, idx) \
 303         ((struct hda_pcm *)snd_array_elem(&spec->pcm_rec, idx))
 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 (get_pin(spec, 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 (get_pcm_rec(spec, pin_idx)->stream == 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 (get_cvt(spec, 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 = codec->spec;
 347         struct hdmi_eld *eld;
 348         int pin_idx;
 349
 350         uinfo->type = SNDRV_CTL_ELEM_TYPE_BYTES;
 351
 352         pin_idx = kcontrol->private_value;
 353         eld = &get_pin(spec, pin_idx)->sink_eld;
 354
 355         mutex_lock(&eld->lock);
 356         uinfo->count = eld->eld_valid ? eld->eld_size : 0;
 357         mutex_unlock(&eld->lock);
 358
 359         return 0;
 360 }
 361
 362 static int hdmi_eld_ctl_get(struct snd_kcontrol *kcontrol,
 363                         struct snd_ctl_elem_value *ucontrol)
 364 {
 365         struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
 366         struct hdmi_spec *spec = codec->spec;
 367         struct hdmi_eld *eld;
 368         int pin_idx;
 369
 370         pin_idx = kcontrol->private_value;
 371         eld = &get_pin(spec, pin_idx)->sink_eld;
 372
 373         mutex_lock(&eld->lock);
 374         if (eld->eld_size > ARRAY_SIZE(ucontrol->value.bytes.data)) {
 375                 mutex_unlock(&eld->lock);
 376                 snd_BUG();
 377                 return -EINVAL;
 378         }
 379
 380         memset(ucontrol->value.bytes.data, 0,
 381                ARRAY_SIZE(ucontrol->value.bytes.data));
 382         if (eld->eld_valid)
 383                 memcpy(ucontrol->value.bytes.data, eld->eld_buffer,
 384                        eld->eld_size);
 385         mutex_unlock(&eld->lock);
 386
 387         return 0;
 388 }
 389
 390 static struct snd_kcontrol_new eld_bytes_ctl = {
 391         .access = SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_VOLATILE,
 392         .iface = SNDRV_CTL_ELEM_IFACE_PCM,
 393         .name = "ELD",
 394         .info = hdmi_eld_ctl_info,
 395         .get = hdmi_eld_ctl_get,
 396 };
 397
 398 static int hdmi_create_eld_ctl(struct hda_codec *codec, int pin_idx,
 399                         int device)
 400 {
 401         struct snd_kcontrol *kctl;
 402         struct hdmi_spec *spec = codec->spec;
 403         int err;
 404
 405         kctl = snd_ctl_new1(&eld_bytes_ctl, codec);
 406         if (!kctl)
 407                 return -ENOMEM;
 408         kctl->private_value = pin_idx;
 409         kctl->id.device = device;
 410
 411         err = snd_hda_ctl_add(codec, get_pin(spec, pin_idx)->pin_nid, kctl);
 412         if (err < 0)
 413                 return err;
 414
 415         get_pin(spec, pin_idx)->eld_ctl = kctl;
 416         return 0;
 417 }
 418
 419 #ifdef BE_PARANOID
 420 static void hdmi_get_dip_index(struct hda_codec *codec, hda_nid_t pin_nid,
 421                                 int *packet_index, int *byte_index)
 422 {
 423         int val;
 424
 425         val = snd_hda_codec_read(codec, pin_nid, 0,
 426                                  AC_VERB_GET_HDMI_DIP_INDEX, 0);
 427
 428         *packet_index = val >> 5;
 429         *byte_index = val & 0x1f;
 430 }
 431 #endif
 432
 433 static void hdmi_set_dip_index(struct hda_codec *codec, hda_nid_t pin_nid,
 434                                 int packet_index, int byte_index)
 435 {
 436         int val;
 437
 438         val = (packet_index << 5) | (byte_index & 0x1f);
 439
 440         snd_hda_codec_write(codec, pin_nid, 0, AC_VERB_SET_HDMI_DIP_INDEX, val);
 441 }
 442
 443 static void hdmi_write_dip_byte(struct hda_codec *codec, hda_nid_t pin_nid,
 444                                 unsigned char val)
 445 {
 446         snd_hda_codec_write(codec, pin_nid, 0, AC_VERB_SET_HDMI_DIP_DATA, val);
 447 }
 448
 449 static void hdmi_init_pin(struct hda_codec *codec, hda_nid_t pin_nid)
 450 {
 451         /* Unmute */
 452         if (get_wcaps(codec, pin_nid) & AC_WCAP_OUT_AMP)
 453                 snd_hda_codec_write(codec, pin_nid, 0,
 454                                 AC_VERB_SET_AMP_GAIN_MUTE, AMP_OUT_UNMUTE);
 455         /* Enable pin out: some machines with GM965 gets broken output when
 456          * the pin is disabled or changed while using with HDMI
 457          */
 458         snd_hda_codec_write(codec, pin_nid, 0,
 459                             AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_OUT);
 460 }
 461
 462 static int hdmi_get_channel_count(struct hda_codec *codec, hda_nid_t cvt_nid)
 463 {
 464         return 1 + snd_hda_codec_read(codec, cvt_nid, 0,
 465                                         AC_VERB_GET_CVT_CHAN_COUNT, 0);
 466 }
 467
 468 static void hdmi_set_channel_count(struct hda_codec *codec,
 469                                    hda_nid_t cvt_nid, int chs)
 470 {
 471         if (chs != hdmi_get_channel_count(codec, cvt_nid))
 472                 snd_hda_codec_write(codec, cvt_nid, 0,
 473                                     AC_VERB_SET_CVT_CHAN_COUNT, chs - 1);
 474 }
 475
 476
 477 /*
 478  * Channel mapping routines
 479  */
 480
 481 /*
 482  * Compute derived values in channel_allocations[].
 483  */
 484 static void init_channel_allocations(void)
 485 {
 486         int i, j;
 487         struct cea_channel_speaker_allocation *p;
 488
 489         for (i = 0; i < ARRAY_SIZE(channel_allocations); i++) {
 490                 p = channel_allocations + i;
 491                 p->channels = 0;
 492                 p->spk_mask = 0;
 493                 for (j = 0; j < ARRAY_SIZE(p->speakers); j++)
 494                         if (p->speakers[j]) {
 495                                 p->channels++;
 496                                 p->spk_mask |= p->speakers[j];
 497                         }
 498         }
 499 }
 500
 501 static int get_channel_allocation_order(int ca)
 502 {
 503         int i;
 504
 505         for (i = 0; i < ARRAY_SIZE(channel_allocations); i++) {
 506                 if (channel_allocations[i].ca_index == ca)
 507                         break;
 508         }
 509         return i;
 510 }
 511
 512 /*
 513  * The transformation takes two steps:
 514  *
 515  *      eld->spk_alloc => (eld_speaker_allocation_bits[]) => spk_mask
 516  *            spk_mask => (channel_allocations[])         => ai->CA
 517  *
 518  * TODO: it could select the wrong CA from multiple candidates.
 519 */
 520 static int hdmi_channel_allocation(struct hdmi_eld *eld, int channels)
 521 {
 522         int i;
 523         int ca = 0;
 524         int spk_mask = 0;
 525         char buf[SND_PRINT_CHANNEL_ALLOCATION_ADVISED_BUFSIZE];
 526
 527         /*
 528          * CA defaults to 0 for basic stereo audio
 529          */
 530         if (channels <= 2)
 531                 return 0;
 532
 533         /*
 534          * expand ELD's speaker allocation mask
 535          *
 536          * ELD tells the speaker mask in a compact(paired) form,
 537          * expand ELD's notions to match the ones used by Audio InfoFrame.
 538          */
 539         for (i = 0; i < ARRAY_SIZE(eld_speaker_allocation_bits); i++) {
 540                 if (eld->info.spk_alloc & (1 << i))
 541                         spk_mask |= eld_speaker_allocation_bits[i];
 542         }
 543
 544         /* search for the first working match in the CA table */
 545         for (i = 0; i < ARRAY_SIZE(channel_allocations); i++) {
 546                 if (channels == channel_allocations[i].channels &&
 547                     (spk_mask & channel_allocations[i].spk_mask) ==
 548                                 channel_allocations[i].spk_mask) {
 549                         ca = channel_allocations[i].ca_index;
 550                         break;
 551                 }
 552         }
 553
 554         snd_print_channel_allocation(eld->info.spk_alloc, buf, sizeof(buf));
 555         snd_printdd("HDMI: select CA 0x%x for %d-channel allocation: %s\n",
 556                     ca, channels, buf);
 557
 558         return ca;
 559 }
 560
 561 static void hdmi_debug_channel_mapping(struct hda_codec *codec,
 562                                        hda_nid_t pin_nid)
 563 {
 564 #ifdef CONFIG_SND_DEBUG_VERBOSE
 565         int i;
 566         int slot;
 567
 568         for (i = 0; i < 8; i++) {
 569                 slot = snd_hda_codec_read(codec, pin_nid, 0,
 570                                                 AC_VERB_GET_HDMI_CHAN_SLOT, i);
 571                 printk(KERN_DEBUG "HDMI: ASP channel %d => slot %d\n",
 572                                                 slot >> 4, slot & 0xf);
 573         }
 574 #endif
 575 }
 576
 577
 578 static void hdmi_std_setup_channel_mapping(struct hda_codec *codec,
 579                                        hda_nid_t pin_nid,
 580                                        bool non_pcm,
 581                                        int ca)
 582 {
 583         int i;
 584         int err;
 585         int order;
 586         int non_pcm_mapping[8];
 587
 588         order = get_channel_allocation_order(ca);
 589
 590         if (hdmi_channel_mapping[ca][1] == 0) {
 591                 for (i = 0; i < channel_allocations[order].channels; i++)
 592                         hdmi_channel_mapping[ca][i] = i | (i << 4);
 593                 for (; i < 8; i++)
 594                         hdmi_channel_mapping[ca][i] = 0xf | (i << 4);
 595         }
 596
 597         if (non_pcm) {
 598                 for (i = 0; i < channel_allocations[order].channels; i++)
 599                         non_pcm_mapping[i] = i | (i << 4);
 600                 for (; i < 8; i++)
 601                         non_pcm_mapping[i] = 0xf | (i << 4);
 602         }
 603
 604         for (i = 0; i < 8; i++) {
 605                 err = snd_hda_codec_write(codec, pin_nid, 0,
 606                                           AC_VERB_SET_HDMI_CHAN_SLOT,
 607                                           non_pcm ? non_pcm_mapping[i] : hdmi_channel_mapping[ca][i]);
 608                 if (err) {
 609                         snd_printdd(KERN_NOTICE
 610                                     "HDMI: channel mapping failed\n");
 611                         break;
 612                 }
 613         }
 614
 615         hdmi_debug_channel_mapping(codec, pin_nid);
 616 }
 617
 618 struct channel_map_table {
 619         unsigned char map;              /* ALSA API channel map position */
 620         unsigned char cea_slot;         /* CEA slot value */
 621         int spk_mask;                   /* speaker position bit mask */
 622 };
 623
 624 static struct channel_map_table map_tables[] = {
 625         { SNDRV_CHMAP_FL,       0x00,   FL },
 626         { SNDRV_CHMAP_FR,       0x01,   FR },
 627         { SNDRV_CHMAP_RL,       0x04,   RL },
 628         { SNDRV_CHMAP_RR,       0x05,   RR },
 629         { SNDRV_CHMAP_LFE,      0x02,   LFE },
 630         { SNDRV_CHMAP_FC,       0x03,   FC },
 631         { SNDRV_CHMAP_RLC,      0x06,   RLC },
 632         { SNDRV_CHMAP_RRC,      0x07,   RRC },
 633         {} /* terminator */
 634 };
 635
 636 /* from ALSA API channel position to speaker bit mask */
 637 static int to_spk_mask(unsigned char c)
 638 {
 639         struct channel_map_table *t = map_tables;
 640         for (; t->map; t++) {
 641                 if (t->map == c)
 642                         return t->spk_mask;
 643         }
 644         return 0;
 645 }
 646
 647 /* from ALSA API channel position to CEA slot */
 648 static int to_cea_slot(unsigned char c)
 649 {
 650         struct channel_map_table *t = map_tables;
 651         for (; t->map; t++) {
 652                 if (t->map == c)
 653                         return t->cea_slot;
 654         }
 655         return 0x0f;
 656 }
 657
 658 /* from CEA slot to ALSA API channel position */
 659 static int from_cea_slot(unsigned char c)
 660 {
 661         struct channel_map_table *t = map_tables;
 662         for (; t->map; t++) {
 663                 if (t->cea_slot == c)
 664                         return t->map;
 665         }
 666         return 0;
 667 }
 668
 669 /* from speaker bit mask to ALSA API channel position */
 670 static int spk_to_chmap(int spk)
 671 {
 672         struct channel_map_table *t = map_tables;
 673         for (; t->map; t++) {
 674                 if (t->spk_mask == spk)
 675                         return t->map;
 676         }
 677         return 0;
 678 }
 679
 680 /* get the CA index corresponding to the given ALSA API channel map */
 681 static int hdmi_manual_channel_allocation(int chs, unsigned char *map)
 682 {
 683         int i, spks = 0, spk_mask = 0;
 684
 685         for (i = 0; i < chs; i++) {
 686                 int mask = to_spk_mask(map[i]);
 687                 if (mask) {
 688                         spk_mask |= mask;
 689                         spks++;
 690                 }
 691         }
 692
 693         for (i = 0; i < ARRAY_SIZE(channel_allocations); i++) {
 694                 if ((chs == channel_allocations[i].channels ||
 695                      spks == channel_allocations[i].channels) &&
 696                     (spk_mask & channel_allocations[i].spk_mask) ==
 697                                 channel_allocations[i].spk_mask)
 698                         return channel_allocations[i].ca_index;
 699         }
 700         return -1;
 701 }
 702
 703 /* set up the channel slots for the given ALSA API channel map */
 704 static int hdmi_manual_setup_channel_mapping(struct hda_codec *codec,
 705                                              hda_nid_t pin_nid,
 706                                              int chs, unsigned char *map)
 707 {
 708         int i;
 709         for (i = 0; i < 8; i++) {
 710                 int val, err;
 711                 if (i < chs)
 712                         val = to_cea_slot(map[i]);
 713                 else
 714                         val = 0xf;
 715                 val |= (i << 4);
 716                 err = snd_hda_codec_write(codec, pin_nid, 0,
 717                                           AC_VERB_SET_HDMI_CHAN_SLOT, val);
 718                 if (err)
 719                         return -EINVAL;
 720         }
 721         return 0;
 722 }
 723
 724 /* store ALSA API channel map from the current default map */
 725 static void hdmi_setup_fake_chmap(unsigned char *map, int ca)
 726 {
 727         int i;
 728         for (i = 0; i < 8; i++) {
 729                 if (i < channel_allocations[ca].channels)
 730                         map[i] = from_cea_slot((hdmi_channel_mapping[ca][i] >> 4) & 0x0f);
 731                 else
 732                         map[i] = 0;
 733         }
 734 }
 735
 736 static void hdmi_setup_channel_mapping(struct hda_codec *codec,
 737                                        hda_nid_t pin_nid, bool non_pcm, int ca,
 738                                        int channels, unsigned char *map,
 739                                        bool chmap_set)
 740 {
 741         if (!non_pcm && chmap_set) {
 742                 hdmi_manual_setup_channel_mapping(codec, pin_nid,
 743                                                   channels, map);
 744         } else {
 745                 hdmi_std_setup_channel_mapping(codec, pin_nid, non_pcm, ca);
 746                 hdmi_setup_fake_chmap(map, ca);
 747         }
 748 }
 749
 750 /*
 751  * Audio InfoFrame routines
 752  */
 753
 754 /*
 755  * Enable Audio InfoFrame Transmission
 756  */
 757 static void hdmi_start_infoframe_trans(struct hda_codec *codec,
 758                                        hda_nid_t pin_nid)
 759 {
 760         hdmi_set_dip_index(codec, pin_nid, 0x0, 0x0);
 761         snd_hda_codec_write(codec, pin_nid, 0, AC_VERB_SET_HDMI_DIP_XMIT,
 762                                                 AC_DIPXMIT_BEST);
 763 }
 764
 765 /*
 766  * Disable Audio InfoFrame Transmission
 767  */
 768 static void hdmi_stop_infoframe_trans(struct hda_codec *codec,
 769                                       hda_nid_t pin_nid)
 770 {
 771         hdmi_set_dip_index(codec, pin_nid, 0x0, 0x0);
 772         snd_hda_codec_write(codec, pin_nid, 0, AC_VERB_SET_HDMI_DIP_XMIT,
 773                                                 AC_DIPXMIT_DISABLE);
 774 }
 775
 776 static void hdmi_debug_dip_size(struct hda_codec *codec, hda_nid_t pin_nid)
 777 {
 778 #ifdef CONFIG_SND_DEBUG_VERBOSE
 779         int i;
 780         int size;
 781
 782         size = snd_hdmi_get_eld_size(codec, pin_nid);
 783         printk(KERN_DEBUG "HDMI: ELD buf size is %d\n", size);
 784
 785         for (i = 0; i < 8; i++) {
 786                 size = snd_hda_codec_read(codec, pin_nid, 0,
 787                                                 AC_VERB_GET_HDMI_DIP_SIZE, i);
 788                 printk(KERN_DEBUG "HDMI: DIP GP[%d] buf size is %d\n", i, size);
 789         }
 790 #endif
 791 }
 792
 793 static void hdmi_clear_dip_buffers(struct hda_codec *codec, hda_nid_t pin_nid)
 794 {
 795 #ifdef BE_PARANOID
 796         int i, j;
 797         int size;
 798         int pi, bi;
 799         for (i = 0; i < 8; i++) {
 800                 size = snd_hda_codec_read(codec, pin_nid, 0,
 801                                                 AC_VERB_GET_HDMI_DIP_SIZE, i);
 802                 if (size == 0)
 803                         continue;
 804
 805                 hdmi_set_dip_index(codec, pin_nid, i, 0x0);
 806                 for (j = 1; j < 1000; j++) {
 807                         hdmi_write_dip_byte(codec, pin_nid, 0x0);
 808                         hdmi_get_dip_index(codec, pin_nid, &pi, &bi);
 809                         if (pi != i)
 810                                 snd_printd(KERN_INFO "dip index %d: %d != %d\n",
 811                                                 bi, pi, i);
 812                         if (bi == 0) /* byte index wrapped around */
 813                                 break;
 814                 }
 815                 snd_printd(KERN_INFO
 816                         "HDMI: DIP GP[%d] buf reported size=%d, written=%d\n",
 817                         i, size, j);
 818         }
 819 #endif
 820 }
 821
 822 static void hdmi_checksum_audio_infoframe(struct hdmi_audio_infoframe *hdmi_ai)
 823 {
 824         u8 *bytes = (u8 *)hdmi_ai;
 825         u8 sum = 0;
 826         int i;
 827
 828         hdmi_ai->checksum = 0;
 829
 830         for (i = 0; i < sizeof(*hdmi_ai); i++)
 831                 sum += bytes[i];
 832
 833         hdmi_ai->checksum = -sum;
 834 }
 835
 836 static void hdmi_fill_audio_infoframe(struct hda_codec *codec,
 837                                       hda_nid_t pin_nid,
 838                                       u8 *dip, int size)
 839 {
 840         int i;
 841
 842         hdmi_debug_dip_size(codec, pin_nid);
 843         hdmi_clear_dip_buffers(codec, pin_nid); /* be paranoid */
 844
 845         hdmi_set_dip_index(codec, pin_nid, 0x0, 0x0);
 846         for (i = 0; i < size; i++)
 847                 hdmi_write_dip_byte(codec, pin_nid, dip[i]);
 848 }
 849
 850 static bool hdmi_infoframe_uptodate(struct hda_codec *codec, hda_nid_t pin_nid,
 851                                     u8 *dip, int size)
 852 {
 853         u8 val;
 854         int i;
 855
 856         if (snd_hda_codec_read(codec, pin_nid, 0, AC_VERB_GET_HDMI_DIP_XMIT, 0)
 857                                                             != AC_DIPXMIT_BEST)
 858                 return false;
 859
 860         hdmi_set_dip_index(codec, pin_nid, 0x0, 0x0);
 861         for (i = 0; i < size; i++) {
 862                 val = snd_hda_codec_read(codec, pin_nid, 0,
 863                                          AC_VERB_GET_HDMI_DIP_DATA, 0);
 864                 if (val != dip[i])
 865                         return false;
 866         }
 867
 868         return true;
 869 }
 870
 871 static void hdmi_setup_audio_infoframe(struct hda_codec *codec, int pin_idx,
 872                                        bool non_pcm,
 873                                        struct snd_pcm_substream *substream)
 874 {
 875         struct hdmi_spec *spec = codec->spec;
 876         struct hdmi_spec_per_pin *per_pin = get_pin(spec, pin_idx);
 877         hda_nid_t pin_nid = per_pin->pin_nid;
 878         int channels = substream->runtime->channels;
 879         struct hdmi_eld *eld;
 880         int ca;
 881         union audio_infoframe ai;
 882
 883         eld = &per_pin->sink_eld;
 884         if (!eld->monitor_present)
 885                 return;
 886
 887         if (!non_pcm && per_pin->chmap_set)
 888                 ca = hdmi_manual_channel_allocation(channels, per_pin->chmap);
 889         else
 890                 ca = hdmi_channel_allocation(eld, channels);
 891         if (ca < 0)
 892                 ca = 0;
 893
 894         memset(&ai, 0, sizeof(ai));
 895         if (eld->info.conn_type == 0) { /* HDMI */
 896                 struct hdmi_audio_infoframe *hdmi_ai = &ai.hdmi;
 897
 898                 hdmi_ai->type           = 0x84;
 899                 hdmi_ai->ver            = 0x01;
 900                 hdmi_ai->len            = 0x0a;
 901                 hdmi_ai->CC02_CT47      = channels - 1;
 902                 hdmi_ai->CA             = ca;
 903                 hdmi_checksum_audio_infoframe(hdmi_ai);
 904         } else if (eld->info.conn_type == 1) { /* DisplayPort */
 905                 struct dp_audio_infoframe *dp_ai = &ai.dp;
 906
 907                 dp_ai->type             = 0x84;
 908                 dp_ai->len              = 0x1b;
 909                 dp_ai->ver              = 0x11 << 2;
 910                 dp_ai->CC02_CT47        = channels - 1;
 911                 dp_ai->CA               = ca;
 912         } else {
 913                 snd_printd("HDMI: unknown connection type at pin %d\n",
 914                             pin_nid);
 915                 return;
 916         }
 917
 918         /*
 919          * sizeof(ai) is used instead of sizeof(*hdmi_ai) or
 920          * sizeof(*dp_ai) to avoid partial match/update problems when
 921          * the user switches between HDMI/DP monitors.
 922          */
 923         if (!hdmi_infoframe_uptodate(codec, pin_nid, ai.bytes,
 924                                         sizeof(ai))) {
 925                 snd_printdd("hdmi_setup_audio_infoframe: "
 926                             "pin=%d channels=%d\n",
 927                             pin_nid,
 928                             channels);
 929                 hdmi_setup_channel_mapping(codec, pin_nid, non_pcm, ca,
 930                                            channels, per_pin->chmap,
 931                                            per_pin->chmap_set);
 932                 hdmi_stop_infoframe_trans(codec, pin_nid);
 933                 hdmi_fill_audio_infoframe(codec, pin_nid,
 934                                             ai.bytes, sizeof(ai));
 935                 hdmi_start_infoframe_trans(codec, pin_nid);
 936         } else {
 937                 /* For non-pcm audio switch, setup new channel mapping
 938                  * accordingly */
 939                 if (per_pin->non_pcm != non_pcm)
 940                         hdmi_setup_channel_mapping(codec, pin_nid, non_pcm, ca,
 941                                                    channels, per_pin->chmap,
 942                                                    per_pin->chmap_set);
 943         }
 944
 945         per_pin->non_pcm = non_pcm;
 946 }
 947
 948
 949 /*
 950  * Unsolicited events
 951  */
 952
 953 static void hdmi_present_sense(struct hdmi_spec_per_pin *per_pin, int repoll);
 954
 955 static void hdmi_intrinsic_event(struct hda_codec *codec, unsigned int res)
 956 {
 957         struct hdmi_spec *spec = codec->spec;
 958         int tag = res >> AC_UNSOL_RES_TAG_SHIFT;
 959         int pin_nid;
 960         int pin_idx;
 961         struct hda_jack_tbl *jack;
 962
 963         jack = snd_hda_jack_tbl_get_from_tag(codec, tag);
 964         if (!jack)
 965                 return;
 966         pin_nid = jack->nid;
 967         jack->jack_dirty = 1;
 968
 969         _snd_printd(SND_PR_VERBOSE,
 970                 "HDMI hot plug event: Codec=%d Pin=%d Presence_Detect=%d ELD_Valid=%d\n",
 971                 codec->addr, pin_nid,
 972                 !!(res & AC_UNSOL_RES_PD), !!(res & AC_UNSOL_RES_ELDV));
 973
 974         pin_idx = pin_nid_to_pin_index(spec, pin_nid);
 975         if (pin_idx < 0)
 976                 return;
 977
 978         hdmi_present_sense(get_pin(spec, pin_idx), 1);
 979         snd_hda_jack_report_sync(codec);
 980 }
 981
 982 static void hdmi_non_intrinsic_event(struct hda_codec *codec, unsigned int res)
 983 {
 984         int tag = res >> AC_UNSOL_RES_TAG_SHIFT;
 985         int subtag = (res & AC_UNSOL_RES_SUBTAG) >> AC_UNSOL_RES_SUBTAG_SHIFT;
 986         int cp_state = !!(res & AC_UNSOL_RES_CP_STATE);
 987         int cp_ready = !!(res & AC_UNSOL_RES_CP_READY);
 988
 989         printk(KERN_INFO
 990                 "HDMI CP event: CODEC=%d TAG=%d SUBTAG=0x%x CP_STATE=%d CP_READY=%d\n",
 991                 codec->addr,
 992                 tag,
 993                 subtag,
 994                 cp_state,
 995                 cp_ready);
 996
 997         /* TODO */
 998         if (cp_state)
 999                 ;
1000         if (cp_ready)
1001                 ;
1002 }
1003
1004
1005 static void hdmi_unsol_event(struct hda_codec *codec, unsigned int res)
1006 {
1007         int tag = res >> AC_UNSOL_RES_TAG_SHIFT;
1008         int subtag = (res & AC_UNSOL_RES_SUBTAG) >> AC_UNSOL_RES_SUBTAG_SHIFT;
1009
1010         if (!snd_hda_jack_tbl_get_from_tag(codec, tag)) {
1011                 snd_printd(KERN_INFO "Unexpected HDMI event tag 0x%x\n", tag);
1012                 return;
1013         }
1014
1015         if (subtag == 0)
1016                 hdmi_intrinsic_event(codec, res);
1017         else
1018                 hdmi_non_intrinsic_event(codec, res);
1019 }
1020
1021 static void haswell_verify_pin_D0(struct hda_codec *codec,
1022                 hda_nid_t cvt_nid, hda_nid_t nid)
1023 {
1024         int pwr, lamp, ramp;
1025
1026         /* For Haswell, the converter 1/2 may keep in D3 state after bootup,
1027          * thus pins could only choose converter 0 for use. Make sure the
1028          * converters are in correct power state */
1029         if (!snd_hda_check_power_state(codec, cvt_nid, AC_PWRST_D0))
1030                 snd_hda_codec_write(codec, cvt_nid, 0, AC_VERB_SET_POWER_STATE, AC_PWRST_D0);
1031
1032         if (!snd_hda_check_power_state(codec, nid, AC_PWRST_D0)) {
1033                 snd_hda_codec_write(codec, nid, 0, AC_VERB_SET_POWER_STATE,
1034                                     AC_PWRST_D0);
1035                 msleep(40);
1036                 pwr = snd_hda_codec_read(codec, nid, 0, AC_VERB_GET_POWER_STATE, 0);
1037                 pwr = (pwr & AC_PWRST_ACTUAL) >> AC_PWRST_ACTUAL_SHIFT;
1038                 snd_printd("Haswell HDMI audio: Power for pin 0x%x is now D%d\n", nid, pwr);
1039         }
1040
1041         lamp = snd_hda_codec_read(codec, nid, 0,
1042                                   AC_VERB_GET_AMP_GAIN_MUTE,
1043                                   AC_AMP_GET_LEFT | AC_AMP_GET_OUTPUT);
1044         ramp = snd_hda_codec_read(codec, nid, 0,
1045                                   AC_VERB_GET_AMP_GAIN_MUTE,
1046                                   AC_AMP_GET_RIGHT | AC_AMP_GET_OUTPUT);
1047         if (lamp != ramp) {
1048                 snd_hda_codec_write(codec, nid, 0, AC_VERB_SET_AMP_GAIN_MUTE,
1049                                     AC_AMP_SET_RIGHT | AC_AMP_SET_OUTPUT | lamp);
1050
1051                 lamp = snd_hda_codec_read(codec, nid, 0,
1052                                   AC_VERB_GET_AMP_GAIN_MUTE,
1053                                   AC_AMP_GET_LEFT | AC_AMP_GET_OUTPUT);
1054                 ramp = snd_hda_codec_read(codec, nid, 0,
1055                                   AC_VERB_GET_AMP_GAIN_MUTE,
1056                                   AC_AMP_GET_RIGHT | AC_AMP_GET_OUTPUT);
1057                 snd_printd("Haswell HDMI audio: Mute after set on pin 0x%x: [0x%x 0x%x]\n", nid, lamp, ramp);
1058         }
1059 }
1060
1061 /*
1062  * Callbacks
1063  */
1064
1065 /* HBR should be Non-PCM, 8 channels */
1066 #define is_hbr_format(format) \
1067         ((format & AC_FMT_TYPE_NON_PCM) && (format & AC_FMT_CHAN_MASK) == 7)
1068
1069 static int hdmi_setup_stream(struct hda_codec *codec, hda_nid_t cvt_nid,
1070                               hda_nid_t pin_nid, u32 stream_tag, int format)
1071 {
1072         int pinctl;
1073         int new_pinctl = 0;
1074
1075         if (codec->vendor_id == 0x80862807)
1076                 haswell_verify_pin_D0(codec, cvt_nid, pin_nid);
1077
1078         if (snd_hda_query_pin_caps(codec, pin_nid) & AC_PINCAP_HBR) {
1079                 pinctl = snd_hda_codec_read(codec, pin_nid, 0,
1080                                             AC_VERB_GET_PIN_WIDGET_CONTROL, 0);
1081
1082                 new_pinctl = pinctl & ~AC_PINCTL_EPT;
1083                 if (is_hbr_format(format))
1084                         new_pinctl |= AC_PINCTL_EPT_HBR;
1085                 else
1086                         new_pinctl |= AC_PINCTL_EPT_NATIVE;
1087
1088                 snd_printdd("hdmi_setup_stream: "
1089                             "NID=0x%x, %spinctl=0x%x\n",
1090                             pin_nid,
1091                             pinctl == new_pinctl ? "" : "new-",
1092                             new_pinctl);
1093
1094                 if (pinctl != new_pinctl)
1095                         snd_hda_codec_write(codec, pin_nid, 0,
1096                                             AC_VERB_SET_PIN_WIDGET_CONTROL,
1097                                             new_pinctl);
1098
1099         }
1100         if (is_hbr_format(format) && !new_pinctl) {
1101                 snd_printdd("hdmi_setup_stream: HBR is not supported\n");
1102                 return -EINVAL;
1103         }
1104
1105         snd_hda_codec_setup_stream(codec, cvt_nid, stream_tag, 0, format);
1106         return 0;
1107 }
1108
1109 static int hdmi_choose_cvt(struct hda_codec *codec,
1110                         int pin_idx, int *cvt_id, int *mux_id)
1111 {
1112         struct hdmi_spec *spec = codec->spec;
1113         struct hdmi_spec_per_pin *per_pin;
1114         struct hdmi_spec_per_cvt *per_cvt = NULL;
1115         int cvt_idx, mux_idx = 0;
1116
1117         per_pin = get_pin(spec, pin_idx);
1118
1119         /* Dynamically assign converter to stream */
1120         for (cvt_idx = 0; cvt_idx < spec->num_cvts; cvt_idx++) {
1121                 per_cvt = get_cvt(spec, cvt_idx);
1122
1123                 /* Must not already be assigned */
1124                 if (per_cvt->assigned)
1125                         continue;
1126                 /* Must be in pin's mux's list of converters */
1127                 for (mux_idx = 0; mux_idx < per_pin->num_mux_nids; mux_idx++)
1128                         if (per_pin->mux_nids[mux_idx] == per_cvt->cvt_nid)
1129                                 break;
1130                 /* Not in mux list */
1131                 if (mux_idx == per_pin->num_mux_nids)
1132                         continue;
1133                 break;
1134         }
1135
1136         /* No free converters */
1137         if (cvt_idx == spec->num_cvts)
1138                 return -ENODEV;
1139
1140         if (cvt_id)
1141                 *cvt_id = cvt_idx;
1142         if (mux_id)
1143                 *mux_id = mux_idx;
1144
1145         return 0;
1146 }
1147
1148 static void haswell_config_cvts(struct hda_codec *codec,
1149                         int pin_id, int mux_id)
1150 {
1151         struct hdmi_spec *spec = codec->spec;
1152         struct hdmi_spec_per_pin *per_pin;
1153         int pin_idx, mux_idx;
1154         int curr;
1155         int err;
1156
1157         for (pin_idx = 0; pin_idx < spec->num_pins; pin_idx++) {
1158                 per_pin = get_pin(spec, pin_idx);
1159
1160                 if (pin_idx == pin_id)
1161                         continue;
1162
1163                 curr = snd_hda_codec_read(codec, per_pin->pin_nid, 0,
1164                                           AC_VERB_GET_CONNECT_SEL, 0);
1165
1166                 /* Choose another unused converter */
1167                 if (curr == mux_id) {
1168                         err = hdmi_choose_cvt(codec, pin_idx, NULL, &mux_idx);
1169                         if (err < 0)
1170                                 return;
1171                         snd_printdd("HDMI: choose converter %d for pin %d\n", mux_idx, pin_idx);
1172                         snd_hda_codec_write_cache(codec, per_pin->pin_nid, 0,
1173                                             AC_VERB_SET_CONNECT_SEL,
1174                                             mux_idx);
1175                 }
1176         }
1177 }
1178
1179 /*
1180  * HDA PCM callbacks
1181  */
1182 static int hdmi_pcm_open(struct hda_pcm_stream *hinfo,
1183                          struct hda_codec *codec,
1184                          struct snd_pcm_substream *substream)
1185 {
1186         struct hdmi_spec *spec = codec->spec;
1187         struct snd_pcm_runtime *runtime = substream->runtime;
1188         int pin_idx, cvt_idx, mux_idx = 0;
1189         struct hdmi_spec_per_pin *per_pin;
1190         struct hdmi_eld *eld;
1191         struct hdmi_spec_per_cvt *per_cvt = NULL;
1192         int err;
1193
1194         /* Validate hinfo */
1195         pin_idx = hinfo_to_pin_index(spec, hinfo);
1196         if (snd_BUG_ON(pin_idx < 0))
1197                 return -EINVAL;
1198         per_pin = get_pin(spec, pin_idx);
1199         eld = &per_pin->sink_eld;
1200
1201         err = hdmi_choose_cvt(codec, pin_idx, &cvt_idx, &mux_idx);
1202         if (err < 0)
1203                 return err;
1204
1205         per_cvt = get_cvt(spec, cvt_idx);
1206         /* Claim converter */
1207         per_cvt->assigned = 1;
1208         hinfo->nid = per_cvt->cvt_nid;
1209
1210         snd_hda_codec_write_cache(codec, per_pin->pin_nid, 0,
1211                             AC_VERB_SET_CONNECT_SEL,
1212                             mux_idx);
1213
1214         /* configure unused pins to choose other converters */
1215         if (codec->vendor_id == 0x80862807)
1216                 haswell_config_cvts(codec, pin_idx, mux_idx);
1217
1218         snd_hda_spdif_ctls_assign(codec, pin_idx, per_cvt->cvt_nid);
1219
1220         /* Initially set the converter's capabilities */
1221         hinfo->channels_min = per_cvt->channels_min;
1222         hinfo->channels_max = per_cvt->channels_max;
1223         hinfo->rates = per_cvt->rates;
1224         hinfo->formats = per_cvt->formats;
1225         hinfo->maxbps = per_cvt->maxbps;
1226
1227         /* Restrict capabilities by ELD if this isn't disabled */
1228         if (!static_hdmi_pcm && eld->eld_valid) {
1229                 snd_hdmi_eld_update_pcm_info(&eld->info, hinfo);
1230                 if (hinfo->channels_min > hinfo->channels_max ||
1231                     !hinfo->rates || !hinfo->formats) {
1232                         per_cvt->assigned = 0;
1233                         hinfo->nid = 0;
1234                         snd_hda_spdif_ctls_unassign(codec, pin_idx);
1235                         return -ENODEV;
1236                 }
1237         }
1238
1239         /* Store the updated parameters */
1240         runtime->hw.channels_min = hinfo->channels_min;
1241         runtime->hw.channels_max = hinfo->channels_max;
1242         runtime->hw.formats = hinfo->formats;
1243         runtime->hw.rates = hinfo->rates;
1244
1245         snd_pcm_hw_constraint_step(substream->runtime, 0,
1246                                    SNDRV_PCM_HW_PARAM_CHANNELS, 2);
1247         return 0;
1248 }
1249
1250 /*
1251  * HDA/HDMI auto parsing
1252  */
1253 static int hdmi_read_pin_conn(struct hda_codec *codec, int pin_idx)
1254 {
1255         struct hdmi_spec *spec = codec->spec;
1256         struct hdmi_spec_per_pin *per_pin = get_pin(spec, pin_idx);
1257         hda_nid_t pin_nid = per_pin->pin_nid;
1258
1259         if (!(get_wcaps(codec, pin_nid) & AC_WCAP_CONN_LIST)) {
1260                 snd_printk(KERN_WARNING
1261                            "HDMI: pin %d wcaps %#x "
1262                            "does not support connection list\n",
1263                            pin_nid, get_wcaps(codec, pin_nid));
1264                 return -EINVAL;
1265         }
1266
1267         per_pin->num_mux_nids = snd_hda_get_connections(codec, pin_nid,
1268                                                         per_pin->mux_nids,
1269                                                         HDA_MAX_CONNECTIONS);
1270
1271         return 0;
1272 }
1273
1274 static void hdmi_present_sense(struct hdmi_spec_per_pin *per_pin, int repoll)
1275 {
1276         struct hda_codec *codec = per_pin->codec;
1277         struct hdmi_spec *spec = codec->spec;
1278         struct hdmi_eld *eld = &spec->temp_eld;
1279         struct hdmi_eld *pin_eld = &per_pin->sink_eld;
1280         hda_nid_t pin_nid = per_pin->pin_nid;
1281         /*
1282          * Always execute a GetPinSense verb here, even when called from
1283          * hdmi_intrinsic_event; for some NVIDIA HW, the unsolicited
1284          * response's PD bit is not the real PD value, but indicates that
1285          * the real PD value changed. An older version of the HD-audio
1286          * specification worked this way. Hence, we just ignore the data in
1287          * the unsolicited response to avoid custom WARs.
1288          */
1289         int present = snd_hda_pin_sense(codec, pin_nid);
1290         bool update_eld = false;
1291         bool eld_changed = false;
1292
1293         pin_eld->monitor_present = !!(present & AC_PINSENSE_PRESENCE);
1294         if (pin_eld->monitor_present)
1295                 eld->eld_valid  = !!(present & AC_PINSENSE_ELDV);
1296         else
1297                 eld->eld_valid = false;
1298
1299         _snd_printd(SND_PR_VERBOSE,
1300                 "HDMI status: Codec=%d Pin=%d Presence_Detect=%d ELD_Valid=%d\n",
1301                 codec->addr, pin_nid, pin_eld->monitor_present, eld->eld_valid);
1302
1303         if (eld->eld_valid) {
1304                 if (snd_hdmi_get_eld(codec, pin_nid, eld->eld_buffer,
1305                                                      &eld->eld_size) < 0)
1306                         eld->eld_valid = false;
1307                 else {
1308                         memset(&eld->info, 0, sizeof(struct parsed_hdmi_eld));
1309                         if (snd_hdmi_parse_eld(&eld->info, eld->eld_buffer,
1310                                                     eld->eld_size) < 0)
1311                                 eld->eld_valid = false;
1312                 }
1313
1314                 if (eld->eld_valid) {
1315                         snd_hdmi_show_eld(&eld->info);
1316                         update_eld = true;
1317                 }
1318                 else if (repoll) {
1319                         queue_delayed_work(codec->bus->workq,
1320                                            &per_pin->work,
1321                                            msecs_to_jiffies(300));
1322                         return;
1323                 }
1324         }
1325
1326         mutex_lock(&pin_eld->lock);
1327         if (pin_eld->eld_valid && !eld->eld_valid) {
1328                 update_eld = true;
1329                 eld_changed = true;
1330         }
1331         if (update_eld) {
1332                 pin_eld->eld_valid = eld->eld_valid;
1333                 eld_changed = pin_eld->eld_size != eld->eld_size ||
1334                               memcmp(pin_eld->eld_buffer, eld->eld_buffer,
1335                                      eld->eld_size) != 0;
1336                 if (eld_changed)
1337                         memcpy(pin_eld->eld_buffer, eld->eld_buffer,
1338                                eld->eld_size);
1339                 pin_eld->eld_size = eld->eld_size;
1340                 pin_eld->info = eld->info;
1341         }
1342         mutex_unlock(&pin_eld->lock);
1343
1344         if (eld_changed)
1345                 snd_ctl_notify(codec->bus->card,
1346                                SNDRV_CTL_EVENT_MASK_VALUE | SNDRV_CTL_EVENT_MASK_INFO,
1347                                &per_pin->eld_ctl->id);
1348 }
1349
1350 static void hdmi_repoll_eld(struct work_struct *work)
1351 {
1352         struct hdmi_spec_per_pin *per_pin =
1353         container_of(to_delayed_work(work), struct hdmi_spec_per_pin, work);
1354
1355         if (per_pin->repoll_count++ > 6)
1356                 per_pin->repoll_count = 0;
1357
1358         hdmi_present_sense(per_pin, per_pin->repoll_count);
1359 }
1360
1361 static void intel_haswell_fixup_connect_list(struct hda_codec *codec,
1362                                              hda_nid_t nid);
1363
1364 static int hdmi_add_pin(struct hda_codec *codec, hda_nid_t pin_nid)
1365 {
1366         struct hdmi_spec *spec = codec->spec;
1367         unsigned int caps, config;
1368         int pin_idx;
1369         struct hdmi_spec_per_pin *per_pin;
1370         int err;
1371
1372         caps = snd_hda_query_pin_caps(codec, pin_nid);
1373         if (!(caps & (AC_PINCAP_HDMI | AC_PINCAP_DP)))
1374                 return 0;
1375
1376         config = snd_hda_codec_get_pincfg(codec, pin_nid);
1377         if (get_defcfg_connect(config) == AC_JACK_PORT_NONE)
1378                 return 0;
1379
1380         if (codec->vendor_id == 0x80862807)
1381                 intel_haswell_fixup_connect_list(codec, pin_nid);
1382
1383         pin_idx = spec->num_pins;
1384         per_pin = snd_array_new(&spec->pins);
1385         if (!per_pin)
1386                 return -ENOMEM;
1387
1388         per_pin->pin_nid = pin_nid;
1389         per_pin->non_pcm = false;
1390
1391         err = hdmi_read_pin_conn(codec, pin_idx);
1392         if (err < 0)
1393                 return err;
1394
1395         spec->num_pins++;
1396
1397         return 0;
1398 }
1399
1400 static int hdmi_add_cvt(struct hda_codec *codec, hda_nid_t cvt_nid)
1401 {
1402         struct hdmi_spec *spec = codec->spec;
1403         struct hdmi_spec_per_cvt *per_cvt;
1404         unsigned int chans;
1405         int err;
1406
1407         chans = get_wcaps(codec, cvt_nid);
1408         chans = get_wcaps_channels(chans);
1409
1410         per_cvt = snd_array_new(&spec->cvts);
1411         if (!per_cvt)
1412                 return -ENOMEM;
1413
1414         per_cvt->cvt_nid = cvt_nid;
1415         per_cvt->channels_min = 2;
1416         if (chans <= 16) {
1417                 per_cvt->channels_max = chans;
1418                 if (chans > spec->channels_max)
1419                         spec->channels_max = chans;
1420         }
1421
1422         err = snd_hda_query_supported_pcm(codec, cvt_nid,
1423                                           &per_cvt->rates,
1424                                           &per_cvt->formats,
1425                                           &per_cvt->maxbps);
1426         if (err < 0)
1427                 return err;
1428
1429         if (spec->num_cvts < ARRAY_SIZE(spec->cvt_nids))
1430                 spec->cvt_nids[spec->num_cvts] = cvt_nid;
1431         spec->num_cvts++;
1432
1433         return 0;
1434 }
1435
1436 static int hdmi_parse_codec(struct hda_codec *codec)
1437 {
1438         hda_nid_t nid;
1439         int i, nodes;
1440
1441         nodes = snd_hda_get_sub_nodes(codec, codec->afg, &nid);
1442         if (!nid || nodes < 0) {
1443                 snd_printk(KERN_WARNING "HDMI: failed to get afg sub nodes\n");
1444                 return -EINVAL;
1445         }
1446
1447         for (i = 0; i < nodes; i++, nid++) {
1448                 unsigned int caps;
1449                 unsigned int type;
1450
1451                 caps = get_wcaps(codec, nid);
1452                 type = get_wcaps_type(caps);
1453
1454                 if (!(caps & AC_WCAP_DIGITAL))
1455                         continue;
1456
1457                 switch (type) {
1458                 case AC_WID_AUD_OUT:
1459                         hdmi_add_cvt(codec, nid);
1460                         break;
1461                 case AC_WID_PIN:
1462                         hdmi_add_pin(codec, nid);
1463                         break;
1464                 }
1465         }
1466
1467 #ifdef CONFIG_PM
1468         /* We're seeing some problems with unsolicited hot plug events on
1469          * PantherPoint after S3, if this is not enabled */
1470         if (codec->vendor_id == 0x80862806)
1471                 codec->bus->power_keep_link_on = 1;
1472         /*
1473          * G45/IbexPeak don't support EPSS: the unsolicited pin hot plug event
1474          * can be lost and presence sense verb will become inaccurate if the
1475          * HDA link is powered off at hot plug or hw initialization time.
1476          */
1477         else if (!(snd_hda_param_read(codec, codec->afg, AC_PAR_POWER_STATE) &
1478               AC_PWRST_EPSS))
1479                 codec->bus->power_keep_link_on = 1;
1480 #endif
1481
1482         return 0;
1483 }
1484
1485 /*
1486  */
1487 static bool check_non_pcm_per_cvt(struct hda_codec *codec, hda_nid_t cvt_nid)
1488 {
1489         struct hda_spdif_out *spdif;
1490         bool non_pcm;
1491
1492         mutex_lock(&codec->spdif_mutex);
1493         spdif = snd_hda_spdif_out_of_nid(codec, cvt_nid);
1494         non_pcm = !!(spdif->status & IEC958_AES0_NONAUDIO);
1495         mutex_unlock(&codec->spdif_mutex);
1496         return non_pcm;
1497 }
1498
1499
1500 /*
1501  * HDMI callbacks
1502  */
1503
1504 static int generic_hdmi_playback_pcm_prepare(struct hda_pcm_stream *hinfo,
1505                                            struct hda_codec *codec,
1506                                            unsigned int stream_tag,
1507                                            unsigned int format,
1508                                            struct snd_pcm_substream *substream)
1509 {
1510         hda_nid_t cvt_nid = hinfo->nid;
1511         struct hdmi_spec *spec = codec->spec;
1512         int pin_idx = hinfo_to_pin_index(spec, hinfo);
1513         hda_nid_t pin_nid = get_pin(spec, pin_idx)->pin_nid;
1514         bool non_pcm;
1515
1516         non_pcm = check_non_pcm_per_cvt(codec, cvt_nid);
1517
1518         hdmi_set_channel_count(codec, cvt_nid, substream->runtime->channels);
1519
1520         hdmi_setup_audio_infoframe(codec, pin_idx, non_pcm, substream);
1521
1522         return hdmi_setup_stream(codec, cvt_nid, pin_nid, stream_tag, format);
1523 }
1524
1525 static int generic_hdmi_playback_pcm_cleanup(struct hda_pcm_stream *hinfo,
1526                                              struct hda_codec *codec,
1527                                              struct snd_pcm_substream *substream)
1528 {
1529         snd_hda_codec_cleanup_stream(codec, hinfo->nid);
1530         return 0;
1531 }
1532
1533 static int hdmi_pcm_close(struct hda_pcm_stream *hinfo,
1534                           struct hda_codec *codec,
1535                           struct snd_pcm_substream *substream)
1536 {
1537         struct hdmi_spec *spec = codec->spec;
1538         int cvt_idx, pin_idx;
1539         struct hdmi_spec_per_cvt *per_cvt;
1540         struct hdmi_spec_per_pin *per_pin;
1541
1542         if (hinfo->nid) {
1543                 cvt_idx = cvt_nid_to_cvt_index(spec, hinfo->nid);
1544                 if (snd_BUG_ON(cvt_idx < 0))
1545                         return -EINVAL;
1546                 per_cvt = get_cvt(spec, cvt_idx);
1547
1548                 snd_BUG_ON(!per_cvt->assigned);
1549                 per_cvt->assigned = 0;
1550                 hinfo->nid = 0;
1551
1552                 pin_idx = hinfo_to_pin_index(spec, hinfo);
1553                 if (snd_BUG_ON(pin_idx < 0))
1554                         return -EINVAL;
1555                 per_pin = get_pin(spec, pin_idx);
1556
1557                 snd_hda_spdif_ctls_unassign(codec, pin_idx);
1558                 per_pin->chmap_set = false;
1559                 memset(per_pin->chmap, 0, sizeof(per_pin->chmap));
1560         }
1561
1562         return 0;
1563 }
1564
1565 static const struct hda_pcm_ops generic_ops = {
1566         .open = hdmi_pcm_open,
1567         .close = hdmi_pcm_close,
1568         .prepare = generic_hdmi_playback_pcm_prepare,
1569         .cleanup = generic_hdmi_playback_pcm_cleanup,
1570 };
1571
1572 /*
1573  * ALSA API channel-map control callbacks
1574  */
1575 static int hdmi_chmap_ctl_info(struct snd_kcontrol *kcontrol,
1576                                struct snd_ctl_elem_info *uinfo)
1577 {
1578         struct snd_pcm_chmap *info = snd_kcontrol_chip(kcontrol);
1579         struct hda_codec *codec = info->private_data;
1580         struct hdmi_spec *spec = codec->spec;
1581         uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
1582         uinfo->count = spec->channels_max;
1583         uinfo->value.integer.min = 0;
1584         uinfo->value.integer.max = SNDRV_CHMAP_LAST;
1585         return 0;
1586 }
1587
1588 static int hdmi_chmap_ctl_tlv(struct snd_kcontrol *kcontrol, int op_flag,
1589                               unsigned int size, unsigned int __user *tlv)
1590 {
1591         struct snd_pcm_chmap *info = snd_kcontrol_chip(kcontrol);
1592         struct hda_codec *codec = info->private_data;
1593         struct hdmi_spec *spec = codec->spec;
1594         const unsigned int valid_mask =
1595                 FL | FR | RL | RR | LFE | FC | RLC | RRC;
1596         unsigned int __user *dst;
1597         int chs, count = 0;
1598
1599         if (size < 8)
1600                 return -ENOMEM;
1601         if (put_user(SNDRV_CTL_TLVT_CONTAINER, tlv))
1602                 return -EFAULT;
1603         size -= 8;
1604         dst = tlv + 2;
1605         for (chs = 2; chs <= spec->channels_max; chs++) {
1606                 int i, c;
1607                 struct cea_channel_speaker_allocation *cap;
1608                 cap = channel_allocations;
1609                 for (i = 0; i < ARRAY_SIZE(channel_allocations); i++, cap++) {
1610                         int chs_bytes = chs * 4;
1611                         if (cap->channels != chs)
1612                                 continue;
1613                         if (cap->spk_mask & ~valid_mask)
1614                                 continue;
1615                         if (size < 8)
1616                                 return -ENOMEM;
1617                         if (put_user(SNDRV_CTL_TLVT_CHMAP_VAR, dst) ||
1618                             put_user(chs_bytes, dst + 1))
1619                                 return -EFAULT;
1620                         dst += 2;
1621                         size -= 8;
1622                         count += 8;
1623                         if (size < chs_bytes)
1624                                 return -ENOMEM;
1625                         size -= chs_bytes;
1626                         count += chs_bytes;
1627                         for (c = 7; c >= 0; c--) {
1628                                 int spk = cap->speakers[c];
1629                                 if (!spk)
1630                                         continue;
1631                                 if (put_user(spk_to_chmap(spk), dst))
1632                                         return -EFAULT;
1633                                 dst++;
1634                         }
1635                 }
1636         }
1637         if (put_user(count, tlv + 1))
1638                 return -EFAULT;
1639         return 0;
1640 }
1641
1642 static int hdmi_chmap_ctl_get(struct snd_kcontrol *kcontrol,
1643                               struct snd_ctl_elem_value *ucontrol)
1644 {
1645         struct snd_pcm_chmap *info = snd_kcontrol_chip(kcontrol);
1646         struct hda_codec *codec = info->private_data;
1647         struct hdmi_spec *spec = codec->spec;
1648         int pin_idx = kcontrol->private_value;
1649         struct hdmi_spec_per_pin *per_pin = get_pin(spec, pin_idx);
1650         int i;
1651
1652         for (i = 0; i < ARRAY_SIZE(per_pin->chmap); i++)
1653                 ucontrol->value.integer.value[i] = per_pin->chmap[i];
1654         return 0;
1655 }
1656
1657 static int hdmi_chmap_ctl_put(struct snd_kcontrol *kcontrol,
1658                               struct snd_ctl_elem_value *ucontrol)
1659 {
1660         struct snd_pcm_chmap *info = snd_kcontrol_chip(kcontrol);
1661         struct hda_codec *codec = info->private_data;
1662         struct hdmi_spec *spec = codec->spec;
1663         int pin_idx = kcontrol->private_value;
1664         struct hdmi_spec_per_pin *per_pin = get_pin(spec, pin_idx);
1665         unsigned int ctl_idx;
1666         struct snd_pcm_substream *substream;
1667         unsigned char chmap[8];
1668         int i, ca, prepared = 0;
1669
1670         ctl_idx = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id);
1671         substream = snd_pcm_chmap_substream(info, ctl_idx);
1672         if (!substream || !substream->runtime)
1673                 return 0; /* just for avoiding error from alsactl restore */
1674         switch (substream->runtime->status->state) {
1675         case SNDRV_PCM_STATE_OPEN:
1676         case SNDRV_PCM_STATE_SETUP:
1677                 break;
1678         case SNDRV_PCM_STATE_PREPARED:
1679                 prepared = 1;
1680                 break;
1681         default:
1682                 return -EBUSY;
1683         }
1684         memset(chmap, 0, sizeof(chmap));
1685         for (i = 0; i < ARRAY_SIZE(chmap); i++)
1686                 chmap[i] = ucontrol->value.integer.value[i];
1687         if (!memcmp(chmap, per_pin->chmap, sizeof(chmap)))
1688                 return 0;
1689         ca = hdmi_manual_channel_allocation(ARRAY_SIZE(chmap), chmap);
1690         if (ca < 0)
1691                 return -EINVAL;
1692         per_pin->chmap_set = true;
1693         memcpy(per_pin->chmap, chmap, sizeof(chmap));
1694         if (prepared)
1695                 hdmi_setup_audio_infoframe(codec, pin_idx, per_pin->non_pcm,
1696                                            substream);
1697
1698         return 0;
1699 }
1700
1701 static int generic_hdmi_build_pcms(struct hda_codec *codec)
1702 {
1703         struct hdmi_spec *spec = codec->spec;
1704         int pin_idx;
1705
1706         for (pin_idx = 0; pin_idx < spec->num_pins; pin_idx++) {
1707                 struct hda_pcm *info;
1708                 struct hda_pcm_stream *pstr;
1709                 struct hdmi_spec_per_pin *per_pin;
1710
1711                 per_pin = get_pin(spec, pin_idx);
1712                 sprintf(per_pin->pcm_name, "HDMI %d", pin_idx);
1713                 info = snd_array_new(&spec->pcm_rec);
1714                 if (!info)
1715                         return -ENOMEM;
1716                 info->name = per_pin->pcm_name;
1717                 info->pcm_type = HDA_PCM_TYPE_HDMI;
1718                 info->own_chmap = true;
1719
1720                 pstr = &info->stream[SNDRV_PCM_STREAM_PLAYBACK];
1721                 pstr->substreams = 1;
1722                 pstr->ops = generic_ops;
1723                 /* other pstr fields are set in open */
1724         }
1725
1726         codec->num_pcms = spec->num_pins;
1727         codec->pcm_info = spec->pcm_rec.list;
1728
1729         return 0;
1730 }
1731
1732 static int generic_hdmi_build_jack(struct hda_codec *codec, int pin_idx)
1733 {
1734         char hdmi_str[32] = "HDMI/DP";
1735         struct hdmi_spec *spec = codec->spec;
1736         struct hdmi_spec_per_pin *per_pin = get_pin(spec, pin_idx);
1737         int pcmdev = get_pcm_rec(spec, pin_idx)->device;
1738
1739         if (pcmdev > 0)
1740                 sprintf(hdmi_str + strlen(hdmi_str), ",pcm=%d", pcmdev);
1741         if (!is_jack_detectable(codec, per_pin->pin_nid))
1742                 strncat(hdmi_str, " Phantom",
1743                         sizeof(hdmi_str) - strlen(hdmi_str) - 1);
1744
1745         return snd_hda_jack_add_kctl(codec, per_pin->pin_nid, hdmi_str, 0);
1746 }
1747
1748 static int generic_hdmi_build_controls(struct hda_codec *codec)
1749 {
1750         struct hdmi_spec *spec = codec->spec;
1751         int err;
1752         int pin_idx;
1753
1754         for (pin_idx = 0; pin_idx < spec->num_pins; pin_idx++) {
1755                 struct hdmi_spec_per_pin *per_pin = get_pin(spec, pin_idx);
1756
1757                 err = generic_hdmi_build_jack(codec, pin_idx);
1758                 if (err < 0)
1759                         return err;
1760
1761                 err = snd_hda_create_dig_out_ctls(codec,
1762                                                   per_pin->pin_nid,
1763                                                   per_pin->mux_nids[0],
1764                                                   HDA_PCM_TYPE_HDMI);
1765                 if (err < 0)
1766                         return err;
1767                 snd_hda_spdif_ctls_unassign(codec, pin_idx);
1768
1769                 /* add control for ELD Bytes */
1770                 err = hdmi_create_eld_ctl(codec, pin_idx,
1771                                           get_pcm_rec(spec, pin_idx)->device);
1772
1773                 if (err < 0)
1774                         return err;
1775
1776                 hdmi_present_sense(per_pin, 0);
1777         }
1778
1779         /* add channel maps */
1780         for (pin_idx = 0; pin_idx < spec->num_pins; pin_idx++) {
1781                 struct snd_pcm_chmap *chmap;
1782                 struct snd_kcontrol *kctl;
1783                 int i;
1784                 err = snd_pcm_add_chmap_ctls(codec->pcm_info[pin_idx].pcm,
1785                                              SNDRV_PCM_STREAM_PLAYBACK,
1786                                              NULL, 0, pin_idx, &chmap);
1787                 if (err < 0)
1788                         return err;
1789                 /* override handlers */
1790                 chmap->private_data = codec;
1791                 kctl = chmap->kctl;
1792                 for (i = 0; i < kctl->count; i++)
1793                         kctl->vd[i].access |= SNDRV_CTL_ELEM_ACCESS_WRITE;
1794                 kctl->info = hdmi_chmap_ctl_info;
1795                 kctl->get = hdmi_chmap_ctl_get;
1796                 kctl->put = hdmi_chmap_ctl_put;
1797                 kctl->tlv.c = hdmi_chmap_ctl_tlv;
1798         }
1799
1800         return 0;
1801 }
1802
1803 static int generic_hdmi_init_per_pins(struct hda_codec *codec)
1804 {
1805         struct hdmi_spec *spec = codec->spec;
1806         int pin_idx;
1807
1808         for (pin_idx = 0; pin_idx < spec->num_pins; pin_idx++) {
1809                 struct hdmi_spec_per_pin *per_pin = get_pin(spec, pin_idx);
1810                 struct hdmi_eld *eld = &per_pin->sink_eld;
1811
1812                 per_pin->codec = codec;
1813                 mutex_init(&eld->lock);
1814                 INIT_DELAYED_WORK(&per_pin->work, hdmi_repoll_eld);
1815                 snd_hda_eld_proc_new(codec, eld, pin_idx);
1816         }
1817         return 0;
1818 }
1819
1820 static int generic_hdmi_init(struct hda_codec *codec)
1821 {
1822         struct hdmi_spec *spec = codec->spec;
1823         int pin_idx;
1824
1825         for (pin_idx = 0; pin_idx < spec->num_pins; pin_idx++) {
1826                 struct hdmi_spec_per_pin *per_pin = get_pin(spec, pin_idx);
1827                 hda_nid_t pin_nid = per_pin->pin_nid;
1828
1829                 hdmi_init_pin(codec, pin_nid);
1830                 snd_hda_jack_detect_enable(codec, pin_nid, pin_nid);
1831         }
1832         return 0;
1833 }
1834
1835 static void hdmi_array_init(struct hdmi_spec *spec, int nums)
1836 {
1837         snd_array_init(&spec->pins, sizeof(struct hdmi_spec_per_pin), nums);
1838         snd_array_init(&spec->cvts, sizeof(struct hdmi_spec_per_cvt), nums);
1839         snd_array_init(&spec->pcm_rec, sizeof(struct hda_pcm), nums);
1840 }
1841
1842 static void hdmi_array_free(struct hdmi_spec *spec)
1843 {
1844         snd_array_free(&spec->pins);
1845         snd_array_free(&spec->cvts);
1846         snd_array_free(&spec->pcm_rec);
1847 }
1848
1849 static void generic_hdmi_free(struct hda_codec *codec)
1850 {
1851         struct hdmi_spec *spec = codec->spec;
1852         int pin_idx;
1853
1854         for (pin_idx = 0; pin_idx < spec->num_pins; pin_idx++) {
1855                 struct hdmi_spec_per_pin *per_pin = get_pin(spec, pin_idx);
1856                 struct hdmi_eld *eld = &per_pin->sink_eld;
1857
1858                 cancel_delayed_work(&per_pin->work);
1859                 snd_hda_eld_proc_free(codec, eld);
1860         }
1861
1862         flush_workqueue(codec->bus->workq);
1863         hdmi_array_free(spec);
1864         kfree(spec);
1865 }
1866
1867 #ifdef CONFIG_PM
1868 static int generic_hdmi_resume(struct hda_codec *codec)
1869 {
1870         struct hdmi_spec *spec = codec->spec;
1871         int pin_idx;
1872
1873         generic_hdmi_init(codec);
1874         snd_hda_codec_resume_amp(codec);
1875         snd_hda_codec_resume_cache(codec);
1876
1877         for (pin_idx = 0; pin_idx < spec->num_pins; pin_idx++) {
1878                 struct hdmi_spec_per_pin *per_pin = get_pin(spec, pin_idx);
1879                 hdmi_present_sense(per_pin, 1);
1880         }
1881         return 0;
1882 }
1883 #endif
1884
1885 static const struct hda_codec_ops generic_hdmi_patch_ops = {
1886         .init                   = generic_hdmi_init,
1887         .free                   = generic_hdmi_free,
1888         .build_pcms             = generic_hdmi_build_pcms,
1889         .build_controls         = generic_hdmi_build_controls,
1890         .unsol_event            = hdmi_unsol_event,
1891 #ifdef CONFIG_PM
1892         .resume                 = generic_hdmi_resume,
1893 #endif
1894 };
1895
1896
1897 static void intel_haswell_fixup_connect_list(struct hda_codec *codec,
1898                                              hda_nid_t nid)
1899 {
1900         struct hdmi_spec *spec = codec->spec;
1901         hda_nid_t conns[4];
1902         int nconns;
1903
1904         nconns = snd_hda_get_connections(codec, nid, conns, ARRAY_SIZE(conns));
1905         if (nconns == spec->num_cvts &&
1906             !memcmp(conns, spec->cvt_nids, spec->num_cvts * sizeof(hda_nid_t)))
1907                 return;
1908
1909         /* override pins connection list */
1910         snd_printdd("hdmi: haswell: override pin connection 0x%x\n", nid);
1911         snd_hda_override_conn_list(codec, nid, spec->num_cvts, spec->cvt_nids);
1912 }
1913
1914 #define INTEL_VENDOR_NID 0x08
1915 #define INTEL_GET_VENDOR_VERB 0xf81
1916 #define INTEL_SET_VENDOR_VERB 0x781
1917 #define INTEL_EN_DP12                   0x02 /* enable DP 1.2 features */
1918 #define INTEL_EN_ALL_PIN_CVTS   0x01 /* enable 2nd & 3rd pins and convertors */
1919
1920 static void intel_haswell_enable_all_pins(struct hda_codec *codec,
1921                                           bool update_tree)
1922 {
1923         unsigned int vendor_param;
1924
1925         vendor_param = snd_hda_codec_read(codec, INTEL_VENDOR_NID, 0,
1926                                 INTEL_GET_VENDOR_VERB, 0);
1927         if (vendor_param == -1 || vendor_param & INTEL_EN_ALL_PIN_CVTS)
1928                 return;
1929
1930         vendor_param |= INTEL_EN_ALL_PIN_CVTS;
1931         vendor_param = snd_hda_codec_read(codec, INTEL_VENDOR_NID, 0,
1932                                 INTEL_SET_VENDOR_VERB, vendor_param);
1933         if (vendor_param == -1)
1934                 return;
1935
1936         if (update_tree)
1937                 snd_hda_codec_update_widgets(codec);
1938 }
1939
1940 static void intel_haswell_fixup_enable_dp12(struct hda_codec *codec)
1941 {
1942         unsigned int vendor_param;
1943
1944         vendor_param = snd_hda_codec_read(codec, INTEL_VENDOR_NID, 0,
1945                                 INTEL_GET_VENDOR_VERB, 0);
1946         if (vendor_param == -1 || vendor_param & INTEL_EN_DP12)
1947                 return;
1948
1949         /* enable DP1.2 mode */
1950         vendor_param |= INTEL_EN_DP12;
1951         snd_hda_codec_write_cache(codec, INTEL_VENDOR_NID, 0,
1952                                 INTEL_SET_VENDOR_VERB, vendor_param);
1953 }
1954
1955 /* Haswell needs to re-issue the vendor-specific verbs before turning to D0.
1956  * Otherwise you may get severe h/w communication errors.
1957  */
1958 static void haswell_set_power_state(struct hda_codec *codec, hda_nid_t fg,
1959                                 unsigned int power_state)
1960 {
1961         if (power_state == AC_PWRST_D0) {
1962                 intel_haswell_enable_all_pins(codec, false);
1963                 intel_haswell_fixup_enable_dp12(codec);
1964         }
1965
1966         snd_hda_codec_read(codec, fg, 0, AC_VERB_SET_POWER_STATE, power_state);
1967         snd_hda_codec_set_power_to_all(codec, fg, power_state);
1968 }
1969
1970 static int patch_generic_hdmi(struct hda_codec *codec)
1971 {
1972         struct hdmi_spec *spec;
1973
1974         spec = kzalloc(sizeof(*spec), GFP_KERNEL);
1975         if (spec == NULL)
1976                 return -ENOMEM;
1977
1978         codec->spec = spec;
1979         hdmi_array_init(spec, 4);
1980
1981         if (codec->vendor_id == 0x80862807) {
1982                 intel_haswell_enable_all_pins(codec, true);
1983                 intel_haswell_fixup_enable_dp12(codec);
1984         }
1985
1986         if (hdmi_parse_codec(codec) < 0) {
1987                 codec->spec = NULL;
1988                 kfree(spec);
1989                 return -EINVAL;
1990         }
1991         codec->patch_ops = generic_hdmi_patch_ops;
1992         if (codec->vendor_id == 0x80862807)
1993                 codec->patch_ops.set_power_state = haswell_set_power_state;
1994
1995         generic_hdmi_init_per_pins(codec);
1996
1997         init_channel_allocations();
1998
1999         return 0;
2000 }
2001
2002 /*
2003  * Shared non-generic implementations
2004  */
2005
2006 static int simple_playback_build_pcms(struct hda_codec *codec)
2007 {
2008         struct hdmi_spec *spec = codec->spec;
2009         struct hda_pcm *info;
2010         unsigned int chans;
2011         struct hda_pcm_stream *pstr;
2012         struct hdmi_spec_per_cvt *per_cvt;
2013
2014         per_cvt = get_cvt(spec, 0);
2015         chans = get_wcaps(codec, per_cvt->cvt_nid);
2016         chans = get_wcaps_channels(chans);
2017
2018         info = snd_array_new(&spec->pcm_rec);
2019         if (!info)
2020                 return -ENOMEM;
2021         info->name = get_pin(spec, 0)->pcm_name;
2022         sprintf(info->name, "HDMI 0");
2023         info->pcm_type = HDA_PCM_TYPE_HDMI;
2024         pstr = &info->stream[SNDRV_PCM_STREAM_PLAYBACK];
2025         *pstr = spec->pcm_playback;
2026         pstr->nid = per_cvt->cvt_nid;
2027         if (pstr->channels_max <= 2 && chans && chans <= 16)
2028                 pstr->channels_max = chans;
2029
2030         codec->num_pcms = 1;
2031         codec->pcm_info = info;
2032
2033         return 0;
2034 }
2035
2036 /* unsolicited event for jack sensing */
2037 static void simple_hdmi_unsol_event(struct hda_codec *codec,
2038                                     unsigned int res)
2039 {
2040         snd_hda_jack_set_dirty_all(codec);
2041         snd_hda_jack_report_sync(codec);
2042 }
2043
2044 /* generic_hdmi_build_jack can be used for simple_hdmi, too,
2045  * as long as spec->pins[] is set correctly
2046  */
2047 #define simple_hdmi_build_jack  generic_hdmi_build_jack
2048
2049 static int simple_playback_build_controls(struct hda_codec *codec)
2050 {
2051         struct hdmi_spec *spec = codec->spec;
2052         struct hdmi_spec_per_cvt *per_cvt;
2053         int err;
2054
2055         per_cvt = get_cvt(spec, 0);
2056         err = snd_hda_create_spdif_out_ctls(codec, per_cvt->cvt_nid,
2057                                             per_cvt->cvt_nid);
2058         if (err < 0)
2059                 return err;
2060         return simple_hdmi_build_jack(codec, 0);
2061 }
2062
2063 static int simple_playback_init(struct hda_codec *codec)
2064 {
2065         struct hdmi_spec *spec = codec->spec;
2066         struct hdmi_spec_per_pin *per_pin = get_pin(spec, 0);
2067         hda_nid_t pin = per_pin->pin_nid;
2068
2069         snd_hda_codec_write(codec, pin, 0,
2070                             AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_OUT);
2071         /* some codecs require to unmute the pin */
2072         if (get_wcaps(codec, pin) & AC_WCAP_OUT_AMP)
2073                 snd_hda_codec_write(codec, pin, 0, AC_VERB_SET_AMP_GAIN_MUTE,
2074                                     AMP_OUT_UNMUTE);
2075         snd_hda_jack_detect_enable(codec, pin, pin);
2076         return 0;
2077 }
2078
2079 static void simple_playback_free(struct hda_codec *codec)
2080 {
2081         struct hdmi_spec *spec = codec->spec;
2082
2083         hdmi_array_free(spec);
2084         kfree(spec);
2085 }
2086
2087 /*
2088  * Nvidia specific implementations
2089  */
2090
2091 #define Nv_VERB_SET_Channel_Allocation          0xF79
2092 #define Nv_VERB_SET_Info_Frame_Checksum         0xF7A
2093 #define Nv_VERB_SET_Audio_Protection_On         0xF98
2094 #define Nv_VERB_SET_Audio_Protection_Off        0xF99
2095
2096 #define nvhdmi_master_con_nid_7x        0x04
2097 #define nvhdmi_master_pin_nid_7x        0x05
2098
2099 static const hda_nid_t nvhdmi_con_nids_7x[4] = {
2100         /*front, rear, clfe, rear_surr */
2101         0x6, 0x8, 0xa, 0xc,
2102 };
2103
2104 static const struct hda_verb nvhdmi_basic_init_7x_2ch[] = {
2105         /* set audio protect on */
2106         { 0x1, Nv_VERB_SET_Audio_Protection_On, 0x1},
2107         /* enable digital output on pin widget */
2108         { 0x5, AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_OUT | 0x5 },
2109         {} /* terminator */
2110 };
2111
2112 static const struct hda_verb nvhdmi_basic_init_7x_8ch[] = {
2113         /* set audio protect on */
2114         { 0x1, Nv_VERB_SET_Audio_Protection_On, 0x1},
2115         /* enable digital output on pin widget */
2116         { 0x5, AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_OUT | 0x5 },
2117         { 0x7, AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_OUT | 0x5 },
2118         { 0x9, AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_OUT | 0x5 },
2119         { 0xb, AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_OUT | 0x5 },
2120         { 0xd, AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_OUT | 0x5 },
2121         {} /* terminator */
2122 };
2123
2124 #ifdef LIMITED_RATE_FMT_SUPPORT
2125 /* support only the safe format and rate */
2126 #define SUPPORTED_RATES         SNDRV_PCM_RATE_48000
2127 #define SUPPORTED_MAXBPS        16
2128 #define SUPPORTED_FORMATS       SNDRV_PCM_FMTBIT_S16_LE
2129 #else
2130 /* support all rates and formats */
2131 #define SUPPORTED_RATES \
2132         (SNDRV_PCM_RATE_32000 | SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_48000 |\
2133         SNDRV_PCM_RATE_88200 | SNDRV_PCM_RATE_96000 | SNDRV_PCM_RATE_176400 |\
2134          SNDRV_PCM_RATE_192000)
2135 #define SUPPORTED_MAXBPS        24
2136 #define SUPPORTED_FORMATS \
2137         (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S32_LE)
2138 #endif
2139
2140 static int nvhdmi_7x_init_2ch(struct hda_codec *codec)
2141 {
2142         snd_hda_sequence_write(codec, nvhdmi_basic_init_7x_2ch);
2143         return 0;
2144 }
2145
2146 static int nvhdmi_7x_init_8ch(struct hda_codec *codec)
2147 {
2148         snd_hda_sequence_write(codec, nvhdmi_basic_init_7x_8ch);
2149         return 0;
2150 }
2151
2152 static unsigned int channels_2_6_8[] = {
2153         2, 6, 8
2154 };
2155
2156 static unsigned int channels_2_8[] = {
2157         2, 8
2158 };
2159
2160 static struct snd_pcm_hw_constraint_list hw_constraints_2_6_8_channels = {
2161         .count = ARRAY_SIZE(channels_2_6_8),
2162         .list = channels_2_6_8,
2163         .mask = 0,
2164 };
2165
2166 static struct snd_pcm_hw_constraint_list hw_constraints_2_8_channels = {
2167         .count = ARRAY_SIZE(channels_2_8),
2168         .list = channels_2_8,
2169         .mask = 0,
2170 };
2171
2172 static int simple_playback_pcm_open(struct hda_pcm_stream *hinfo,
2173                                     struct hda_codec *codec,
2174                                     struct snd_pcm_substream *substream)
2175 {
2176         struct hdmi_spec *spec = codec->spec;
2177         struct snd_pcm_hw_constraint_list *hw_constraints_channels = NULL;
2178
2179         switch (codec->preset->id) {
2180         case 0x10de0002:
2181         case 0x10de0003:
2182         case 0x10de0005:
2183         case 0x10de0006:
2184                 hw_constraints_channels = &hw_constraints_2_8_channels;
2185                 break;
2186         case 0x10de0007:
2187                 hw_constraints_channels = &hw_constraints_2_6_8_channels;
2188                 break;
2189         default:
2190                 break;
2191         }
2192
2193         if (hw_constraints_channels != NULL) {
2194                 snd_pcm_hw_constraint_list(substream->runtime, 0,
2195                                 SNDRV_PCM_HW_PARAM_CHANNELS,
2196                                 hw_constraints_channels);
2197         } else {
2198                 snd_pcm_hw_constraint_step(substream->runtime, 0,
2199                                            SNDRV_PCM_HW_PARAM_CHANNELS, 2);
2200         }
2201
2202         return snd_hda_multi_out_dig_open(codec, &spec->multiout);
2203 }
2204
2205 static int simple_playback_pcm_close(struct hda_pcm_stream *hinfo,
2206                                      struct hda_codec *codec,
2207                                      struct snd_pcm_substream *substream)
2208 {
2209         struct hdmi_spec *spec = codec->spec;
2210         return snd_hda_multi_out_dig_close(codec, &spec->multiout);
2211 }
2212
2213 static int simple_playback_pcm_prepare(struct hda_pcm_stream *hinfo,
2214                                        struct hda_codec *codec,
2215                                        unsigned int stream_tag,
2216                                        unsigned int format,
2217                                        struct snd_pcm_substream *substream)
2218 {
2219         struct hdmi_spec *spec = codec->spec;
2220         return snd_hda_multi_out_dig_prepare(codec, &spec->multiout,
2221                                              stream_tag, format, substream);
2222 }
2223
2224 static const struct hda_pcm_stream simple_pcm_playback = {
2225         .substreams = 1,
2226         .channels_min = 2,
2227         .channels_max = 2,
2228         .ops = {
2229                 .open = simple_playback_pcm_open,
2230                 .close = simple_playback_pcm_close,
2231                 .prepare = simple_playback_pcm_prepare
2232         },
2233 };
2234
2235 static const struct hda_codec_ops simple_hdmi_patch_ops = {
2236         .build_controls = simple_playback_build_controls,
2237         .build_pcms = simple_playback_build_pcms,
2238         .init = simple_playback_init,
2239         .free = simple_playback_free,
2240         .unsol_event = simple_hdmi_unsol_event,
2241 };
2242
2243 static int patch_simple_hdmi(struct hda_codec *codec,
2244                              hda_nid_t cvt_nid, hda_nid_t pin_nid)
2245 {
2246         struct hdmi_spec *spec;
2247         struct hdmi_spec_per_cvt *per_cvt;
2248         struct hdmi_spec_per_pin *per_pin;
2249
2250         spec = kzalloc(sizeof(*spec), GFP_KERNEL);
2251         if (!spec)
2252                 return -ENOMEM;
2253
2254         codec->spec = spec;
2255         hdmi_array_init(spec, 1);
2256
2257         spec->multiout.num_dacs = 0;  /* no analog */
2258         spec->multiout.max_channels = 2;
2259         spec->multiout.dig_out_nid = cvt_nid;
2260         spec->num_cvts = 1;
2261         spec->num_pins = 1;
2262         per_pin = snd_array_new(&spec->pins);
2263         per_cvt = snd_array_new(&spec->cvts);
2264         if (!per_pin || !per_cvt) {
2265                 simple_playback_free(codec);
2266                 return -ENOMEM;
2267         }
2268         per_cvt->cvt_nid = cvt_nid;
2269         per_pin->pin_nid = pin_nid;
2270         spec->pcm_playback = simple_pcm_playback;
2271
2272         codec->patch_ops = simple_hdmi_patch_ops;
2273
2274         return 0;
2275 }
2276
2277 static void nvhdmi_8ch_7x_set_info_frame_parameters(struct hda_codec *codec,
2278                                                     int channels)
2279 {
2280         unsigned int chanmask;
2281         int chan = channels ? (channels - 1) : 1;
2282
2283         switch (channels) {
2284         default:
2285         case 0:
2286         case 2:
2287                 chanmask = 0x00;
2288                 break;
2289         case 4:
2290                 chanmask = 0x08;
2291                 break;
2292         case 6:
2293                 chanmask = 0x0b;
2294                 break;
2295         case 8:
2296                 chanmask = 0x13;
2297                 break;
2298         }
2299
2300         /* Set the audio infoframe channel allocation and checksum fields.  The
2301          * channel count is computed implicitly by the hardware. */
2302         snd_hda_codec_write(codec, 0x1, 0,
2303                         Nv_VERB_SET_Channel_Allocation, chanmask);
2304
2305         snd_hda_codec_write(codec, 0x1, 0,
2306                         Nv_VERB_SET_Info_Frame_Checksum,
2307                         (0x71 - chan - chanmask));
2308 }
2309
2310 static int nvhdmi_8ch_7x_pcm_close(struct hda_pcm_stream *hinfo,
2311                                    struct hda_codec *codec,
2312                                    struct snd_pcm_substream *substream)
2313 {
2314         struct hdmi_spec *spec = codec->spec;
2315         int i;
2316
2317         snd_hda_codec_write(codec, nvhdmi_master_con_nid_7x,
2318                         0, AC_VERB_SET_CHANNEL_STREAMID, 0);
2319         for (i = 0; i < 4; i++) {
2320                 /* set the stream id */
2321                 snd_hda_codec_write(codec, nvhdmi_con_nids_7x[i], 0,
2322                                 AC_VERB_SET_CHANNEL_STREAMID, 0);
2323                 /* set the stream format */
2324                 snd_hda_codec_write(codec, nvhdmi_con_nids_7x[i], 0,
2325                                 AC_VERB_SET_STREAM_FORMAT, 0);
2326         }
2327
2328         /* The audio hardware sends a channel count of 0x7 (8ch) when all the
2329          * streams are disabled. */
2330         nvhdmi_8ch_7x_set_info_frame_parameters(codec, 8);
2331
2332         return snd_hda_multi_out_dig_close(codec, &spec->multiout);
2333 }
2334
2335 static int nvhdmi_8ch_7x_pcm_prepare(struct hda_pcm_stream *hinfo,
2336                                      struct hda_codec *codec,
2337                                      unsigned int stream_tag,
2338                                      unsigned int format,
2339                                      struct snd_pcm_substream *substream)
2340 {
2341         int chs;
2342         unsigned int dataDCC2, channel_id;
2343         int i;
2344         struct hdmi_spec *spec = codec->spec;
2345         struct hda_spdif_out *spdif;
2346         struct hdmi_spec_per_cvt *per_cvt;
2347
2348         mutex_lock(&codec->spdif_mutex);
2349         per_cvt = get_cvt(spec, 0);
2350         spdif = snd_hda_spdif_out_of_nid(codec, per_cvt->cvt_nid);
2351
2352         chs = substream->runtime->channels;
2353
2354         dataDCC2 = 0x2;
2355
2356         /* turn off SPDIF once; otherwise the IEC958 bits won't be updated */
2357         if (codec->spdif_status_reset && (spdif->ctls & AC_DIG1_ENABLE))
2358                 snd_hda_codec_write(codec,
2359                                 nvhdmi_master_con_nid_7x,
2360                                 0,
2361                                 AC_VERB_SET_DIGI_CONVERT_1,
2362                                 spdif->ctls & ~AC_DIG1_ENABLE & 0xff);
2363
2364         /* set the stream id */
2365         snd_hda_codec_write(codec, nvhdmi_master_con_nid_7x, 0,
2366                         AC_VERB_SET_CHANNEL_STREAMID, (stream_tag << 4) | 0x0);
2367
2368         /* set the stream format */
2369         snd_hda_codec_write(codec, nvhdmi_master_con_nid_7x, 0,
2370                         AC_VERB_SET_STREAM_FORMAT, format);
2371
2372         /* turn on again (if needed) */
2373         /* enable and set the channel status audio/data flag */
2374         if (codec->spdif_status_reset && (spdif->ctls & AC_DIG1_ENABLE)) {
2375                 snd_hda_codec_write(codec,
2376                                 nvhdmi_master_con_nid_7x,
2377                                 0,
2378                                 AC_VERB_SET_DIGI_CONVERT_1,
2379                                 spdif->ctls & 0xff);
2380                 snd_hda_codec_write(codec,
2381                                 nvhdmi_master_con_nid_7x,
2382                                 0,
2383                                 AC_VERB_SET_DIGI_CONVERT_2, dataDCC2);
2384         }
2385
2386         for (i = 0; i < 4; i++) {
2387                 if (chs == 2)
2388                         channel_id = 0;
2389                 else
2390                         channel_id = i * 2;
2391
2392                 /* turn off SPDIF once;
2393                  *otherwise the IEC958 bits won't be updated
2394                  */
2395                 if (codec->spdif_status_reset &&
2396                 (spdif->ctls & AC_DIG1_ENABLE))
2397                         snd_hda_codec_write(codec,
2398                                 nvhdmi_con_nids_7x[i],
2399                                 0,
2400                                 AC_VERB_SET_DIGI_CONVERT_1,
2401                                 spdif->ctls & ~AC_DIG1_ENABLE & 0xff);
2402                 /* set the stream id */
2403                 snd_hda_codec_write(codec,
2404                                 nvhdmi_con_nids_7x[i],
2405                                 0,
2406                                 AC_VERB_SET_CHANNEL_STREAMID,
2407                                 (stream_tag << 4) | channel_id);
2408                 /* set the stream format */
2409                 snd_hda_codec_write(codec,
2410                                 nvhdmi_con_nids_7x[i],
2411                                 0,
2412                                 AC_VERB_SET_STREAM_FORMAT,
2413                                 format);
2414                 /* turn on again (if needed) */
2415                 /* enable and set the channel status audio/data flag */
2416                 if (codec->spdif_status_reset &&
2417                 (spdif->ctls & AC_DIG1_ENABLE)) {
2418                         snd_hda_codec_write(codec,
2419                                         nvhdmi_con_nids_7x[i],
2420                                         0,
2421                                         AC_VERB_SET_DIGI_CONVERT_1,
2422                                         spdif->ctls & 0xff);
2423                         snd_hda_codec_write(codec,
2424                                         nvhdmi_con_nids_7x[i],
2425                                         0,
2426                                         AC_VERB_SET_DIGI_CONVERT_2, dataDCC2);
2427                 }
2428         }
2429
2430         nvhdmi_8ch_7x_set_info_frame_parameters(codec, chs);
2431
2432         mutex_unlock(&codec->spdif_mutex);
2433         return 0;
2434 }
2435
2436 static const struct hda_pcm_stream nvhdmi_pcm_playback_8ch_7x = {
2437         .substreams = 1,
2438         .channels_min = 2,
2439         .channels_max = 8,
2440         .nid = nvhdmi_master_con_nid_7x,
2441         .rates = SUPPORTED_RATES,
2442         .maxbps = SUPPORTED_MAXBPS,
2443         .formats = SUPPORTED_FORMATS,
2444         .ops = {
2445                 .open = simple_playback_pcm_open,
2446                 .close = nvhdmi_8ch_7x_pcm_close,
2447                 .prepare = nvhdmi_8ch_7x_pcm_prepare
2448         },
2449 };
2450
2451 static int patch_nvhdmi_2ch(struct hda_codec *codec)
2452 {
2453         struct hdmi_spec *spec;
2454         int err = patch_simple_hdmi(codec, nvhdmi_master_con_nid_7x,
2455                                     nvhdmi_master_pin_nid_7x);
2456         if (err < 0)
2457                 return err;
2458
2459         codec->patch_ops.init = nvhdmi_7x_init_2ch;
2460         /* override the PCM rates, etc, as the codec doesn't give full list */
2461         spec = codec->spec;
2462         spec->pcm_playback.rates = SUPPORTED_RATES;
2463         spec->pcm_playback.maxbps = SUPPORTED_MAXBPS;
2464         spec->pcm_playback.formats = SUPPORTED_FORMATS;
2465         return 0;
2466 }
2467
2468 static int nvhdmi_7x_8ch_build_pcms(struct hda_codec *codec)
2469 {
2470         struct hdmi_spec *spec = codec->spec;
2471         int err = simple_playback_build_pcms(codec);
2472         if (!err) {
2473                 struct hda_pcm *info = get_pcm_rec(spec, 0);
2474                 info->own_chmap = true;
2475         }
2476         return err;
2477 }
2478
2479 static int nvhdmi_7x_8ch_build_controls(struct hda_codec *codec)
2480 {
2481         struct hdmi_spec *spec = codec->spec;
2482         struct hda_pcm *info;
2483         struct snd_pcm_chmap *chmap;
2484         int err;
2485
2486         err = simple_playback_build_controls(codec);
2487         if (err < 0)
2488                 return err;
2489
2490         /* add channel maps */
2491         info = get_pcm_rec(spec, 0);
2492         err = snd_pcm_add_chmap_ctls(info->pcm,
2493                                      SNDRV_PCM_STREAM_PLAYBACK,
2494                                      snd_pcm_alt_chmaps, 8, 0, &chmap);
2495         if (err < 0)
2496                 return err;
2497         switch (codec->preset->id) {
2498         case 0x10de0002:
2499         case 0x10de0003:
2500         case 0x10de0005:
2501         case 0x10de0006:
2502                 chmap->channel_mask = (1U << 2) | (1U << 8);
2503                 break;
2504         case 0x10de0007:
2505                 chmap->channel_mask = (1U << 2) | (1U << 6) | (1U << 8);
2506         }
2507         return 0;
2508 }
2509
2510 static int patch_nvhdmi_8ch_7x(struct hda_codec *codec)
2511 {
2512         struct hdmi_spec *spec;
2513         int err = patch_nvhdmi_2ch(codec);
2514         if (err < 0)
2515                 return err;
2516         spec = codec->spec;
2517         spec->multiout.max_channels = 8;
2518         spec->pcm_playback = nvhdmi_pcm_playback_8ch_7x;
2519         codec->patch_ops.init = nvhdmi_7x_init_8ch;
2520         codec->patch_ops.build_pcms = nvhdmi_7x_8ch_build_pcms;
2521         codec->patch_ops.build_controls = nvhdmi_7x_8ch_build_controls;
2522
2523         /* Initialize the audio infoframe channel mask and checksum to something
2524          * valid */
2525         nvhdmi_8ch_7x_set_info_frame_parameters(codec, 8);
2526
2527         return 0;
2528 }
2529
2530 /*
2531  * ATI-specific implementations
2532  *
2533  * FIXME: we may omit the whole this and use the generic code once after
2534  * it's confirmed to work.
2535  */
2536
2537 #define ATIHDMI_CVT_NID         0x02    /* audio converter */
2538 #define ATIHDMI_PIN_NID         0x03    /* HDMI output pin */
2539
2540 static int atihdmi_playback_pcm_prepare(struct hda_pcm_stream *hinfo,
2541                                         struct hda_codec *codec,
2542                                         unsigned int stream_tag,
2543                                         unsigned int format,
2544                                         struct snd_pcm_substream *substream)
2545 {
2546         struct hdmi_spec *spec = codec->spec;
2547         struct hdmi_spec_per_cvt *per_cvt = get_cvt(spec, 0);
2548         int chans = substream->runtime->channels;
2549         int i, err;
2550
2551         err = simple_playback_pcm_prepare(hinfo, codec, stream_tag, format,
2552                                           substream);
2553         if (err < 0)
2554                 return err;
2555         snd_hda_codec_write(codec, per_cvt->cvt_nid, 0,
2556                             AC_VERB_SET_CVT_CHAN_COUNT, chans - 1);
2557         /* FIXME: XXX */
2558         for (i = 0; i < chans; i++) {
2559                 snd_hda_codec_write(codec, per_cvt->cvt_nid, 0,
2560                                     AC_VERB_SET_HDMI_CHAN_SLOT,
2561                                     (i << 4) | i);
2562         }
2563         return 0;
2564 }
2565
2566 static int patch_atihdmi(struct hda_codec *codec)
2567 {
2568         struct hdmi_spec *spec;
2569         int err = patch_simple_hdmi(codec, ATIHDMI_CVT_NID, ATIHDMI_PIN_NID);
2570         if (err < 0)
2571                 return err;
2572         spec = codec->spec;
2573         spec->pcm_playback.ops.prepare = atihdmi_playback_pcm_prepare;
2574         return 0;
2575 }
2576
2577 /* VIA HDMI Implementation */
2578 #define VIAHDMI_CVT_NID 0x02    /* audio converter1 */
2579 #define VIAHDMI_PIN_NID 0x03    /* HDMI output pin1 */
2580
2581 static int patch_via_hdmi(struct hda_codec *codec)
2582 {
2583         return patch_simple_hdmi(codec, VIAHDMI_CVT_NID, VIAHDMI_PIN_NID);
2584 }
2585
2586 /*
2587  * patch entries
2588  */
2589 static const struct hda_codec_preset snd_hda_preset_hdmi[] = {
2590 { .id = 0x1002793c, .name = "RS600 HDMI",       .patch = patch_atihdmi },
2591 { .id = 0x10027919, .name = "RS600 HDMI",       .patch = patch_atihdmi },
2592 { .id = 0x1002791a, .name = "RS690/780 HDMI",   .patch = patch_atihdmi },
2593 { .id = 0x1002aa01, .name = "R6xx HDMI",        .patch = patch_generic_hdmi },
2594 { .id = 0x10951390, .name = "SiI1390 HDMI",     .patch = patch_generic_hdmi },
2595 { .id = 0x10951392, .name = "SiI1392 HDMI",     .patch = patch_generic_hdmi },
2596 { .id = 0x17e80047, .name = "Chrontel HDMI",    .patch = patch_generic_hdmi },
2597 { .id = 0x10de0002, .name = "MCP77/78 HDMI",    .patch = patch_nvhdmi_8ch_7x },
2598 { .id = 0x10de0003, .name = "MCP77/78 HDMI",    .patch = patch_nvhdmi_8ch_7x },
2599 { .id = 0x10de0005, .name = "MCP77/78 HDMI",    .patch = patch_nvhdmi_8ch_7x },
2600 { .id = 0x10de0006, .name = "MCP77/78 HDMI",    .patch = patch_nvhdmi_8ch_7x },
2601 { .id = 0x10de0007, .name = "MCP79/7A HDMI",    .patch = patch_nvhdmi_8ch_7x },
2602 { .id = 0x10de000a, .name = "GPU 0a HDMI/DP",   .patch = patch_generic_hdmi },
2603 { .id = 0x10de000b, .name = "GPU 0b HDMI/DP",   .patch = patch_generic_hdmi },
2604 { .id = 0x10de000c, .name = "MCP89 HDMI",       .patch = patch_generic_hdmi },
2605 { .id = 0x10de000d, .name = "GPU 0d HDMI/DP",   .patch = patch_generic_hdmi },
2606 { .id = 0x10de0010, .name = "GPU 10 HDMI/DP",   .patch = patch_generic_hdmi },
2607 { .id = 0x10de0011, .name = "GPU 11 HDMI/DP",   .patch = patch_generic_hdmi },
2608 { .id = 0x10de0012, .name = "GPU 12 HDMI/DP",   .patch = patch_generic_hdmi },
2609 { .id = 0x10de0013, .name = "GPU 13 HDMI/DP",   .patch = patch_generic_hdmi },
2610 { .id = 0x10de0014, .name = "GPU 14 HDMI/DP",   .patch = patch_generic_hdmi },
2611 { .id = 0x10de0015, .name = "GPU 15 HDMI/DP",   .patch = patch_generic_hdmi },
2612 { .id = 0x10de0016, .name = "GPU 16 HDMI/DP",   .patch = patch_generic_hdmi },
2613 /* 17 is known to be absent */
2614 { .id = 0x10de0018, .name = "GPU 18 HDMI/DP",   .patch = patch_generic_hdmi },
2615 { .id = 0x10de0019, .name = "GPU 19 HDMI/DP",   .patch = patch_generic_hdmi },
2616 { .id = 0x10de001a, .name = "GPU 1a HDMI/DP",   .patch = patch_generic_hdmi },
2617 { .id = 0x10de001b, .name = "GPU 1b HDMI/DP",   .patch = patch_generic_hdmi },
2618 { .id = 0x10de001c, .name = "GPU 1c HDMI/DP",   .patch = patch_generic_hdmi },
2619 { .id = 0x10de0040, .name = "GPU 40 HDMI/DP",   .patch = patch_generic_hdmi },
2620 { .id = 0x10de0041, .name = "GPU 41 HDMI/DP",   .patch = patch_generic_hdmi },
2621 { .id = 0x10de0042, .name = "GPU 42 HDMI/DP",   .patch = patch_generic_hdmi },
2622 { .id = 0x10de0043, .name = "GPU 43 HDMI/DP",   .patch = patch_generic_hdmi },
2623 { .id = 0x10de0044, .name = "GPU 44 HDMI/DP",   .patch = patch_generic_hdmi },
2624 { .id = 0x10de0051, .name = "GPU 51 HDMI/DP",   .patch = patch_generic_hdmi },
2625 { .id = 0x10de0060, .name = "GPU 60 HDMI/DP",   .patch = patch_generic_hdmi },
2626 { .id = 0x10de0067, .name = "MCP67 HDMI",       .patch = patch_nvhdmi_2ch },
2627 { .id = 0x10de8001, .name = "MCP73 HDMI",       .patch = patch_nvhdmi_2ch },
2628 { .id = 0x11069f80, .name = "VX900 HDMI/DP",    .patch = patch_via_hdmi },
2629 { .id = 0x11069f81, .name = "VX900 HDMI/DP",    .patch = patch_via_hdmi },
2630 { .id = 0x11069f84, .name = "VX11 HDMI/DP",     .patch = patch_generic_hdmi },
2631 { .id = 0x11069f85, .name = "VX11 HDMI/DP",     .patch = patch_generic_hdmi },
2632 { .id = 0x80860054, .name = "IbexPeak HDMI",    .patch = patch_generic_hdmi },
2633 { .id = 0x80862801, .name = "Bearlake HDMI",    .patch = patch_generic_hdmi },
2634 { .id = 0x80862802, .name = "Cantiga HDMI",     .patch = patch_generic_hdmi },
2635 { .id = 0x80862803, .name = "Eaglelake HDMI",   .patch = patch_generic_hdmi },
2636 { .id = 0x80862804, .name = "IbexPeak HDMI",    .patch = patch_generic_hdmi },
2637 { .id = 0x80862805, .name = "CougarPoint HDMI", .patch = patch_generic_hdmi },
2638 { .id = 0x80862806, .name = "PantherPoint HDMI", .patch = patch_generic_hdmi },
2639 { .id = 0x80862807, .name = "Haswell HDMI",     .patch = patch_generic_hdmi },
2640 { .id = 0x80862880, .name = "CedarTrail HDMI",  .patch = patch_generic_hdmi },
2641 { .id = 0x808629fb, .name = "Crestline HDMI",   .patch = patch_generic_hdmi },
2642 {} /* terminator */
2643 };
2644
2645 MODULE_ALIAS("snd-hda-codec-id:1002793c");
2646 MODULE_ALIAS("snd-hda-codec-id:10027919");
2647 MODULE_ALIAS("snd-hda-codec-id:1002791a");
2648 MODULE_ALIAS("snd-hda-codec-id:1002aa01");
2649 MODULE_ALIAS("snd-hda-codec-id:10951390");
2650 MODULE_ALIAS("snd-hda-codec-id:10951392");
2651 MODULE_ALIAS("snd-hda-codec-id:10de0002");
2652 MODULE_ALIAS("snd-hda-codec-id:10de0003");
2653 MODULE_ALIAS("snd-hda-codec-id:10de0005");
2654 MODULE_ALIAS("snd-hda-codec-id:10de0006");
2655 MODULE_ALIAS("snd-hda-codec-id:10de0007");
2656 MODULE_ALIAS("snd-hda-codec-id:10de000a");
2657 MODULE_ALIAS("snd-hda-codec-id:10de000b");
2658 MODULE_ALIAS("snd-hda-codec-id:10de000c");
2659 MODULE_ALIAS("snd-hda-codec-id:10de000d");
2660 MODULE_ALIAS("snd-hda-codec-id:10de0010");
2661 MODULE_ALIAS("snd-hda-codec-id:10de0011");
2662 MODULE_ALIAS("snd-hda-codec-id:10de0012");
2663 MODULE_ALIAS("snd-hda-codec-id:10de0013");
2664 MODULE_ALIAS("snd-hda-codec-id:10de0014");
2665 MODULE_ALIAS("snd-hda-codec-id:10de0015");
2666 MODULE_ALIAS("snd-hda-codec-id:10de0016");
2667 MODULE_ALIAS("snd-hda-codec-id:10de0018");
2668 MODULE_ALIAS("snd-hda-codec-id:10de0019");
2669 MODULE_ALIAS("snd-hda-codec-id:10de001a");
2670 MODULE_ALIAS("snd-hda-codec-id:10de001b");
2671 MODULE_ALIAS("snd-hda-codec-id:10de001c");
2672 MODULE_ALIAS("snd-hda-codec-id:10de0040");
2673 MODULE_ALIAS("snd-hda-codec-id:10de0041");
2674 MODULE_ALIAS("snd-hda-codec-id:10de0042");
2675 MODULE_ALIAS("snd-hda-codec-id:10de0043");
2676 MODULE_ALIAS("snd-hda-codec-id:10de0044");
2677 MODULE_ALIAS("snd-hda-codec-id:10de0051");
2678 MODULE_ALIAS("snd-hda-codec-id:10de0060");
2679 MODULE_ALIAS("snd-hda-codec-id:10de0067");
2680 MODULE_ALIAS("snd-hda-codec-id:10de8001");
2681 MODULE_ALIAS("snd-hda-codec-id:11069f80");
2682 MODULE_ALIAS("snd-hda-codec-id:11069f81");
2683 MODULE_ALIAS("snd-hda-codec-id:11069f84");
2684 MODULE_ALIAS("snd-hda-codec-id:11069f85");
2685 MODULE_ALIAS("snd-hda-codec-id:17e80047");
2686 MODULE_ALIAS("snd-hda-codec-id:80860054");
2687 MODULE_ALIAS("snd-hda-codec-id:80862801");
2688 MODULE_ALIAS("snd-hda-codec-id:80862802");
2689 MODULE_ALIAS("snd-hda-codec-id:80862803");
2690 MODULE_ALIAS("snd-hda-codec-id:80862804");
2691 MODULE_ALIAS("snd-hda-codec-id:80862805");
2692 MODULE_ALIAS("snd-hda-codec-id:80862806");
2693 MODULE_ALIAS("snd-hda-codec-id:80862807");
2694 MODULE_ALIAS("snd-hda-codec-id:80862880");
2695 MODULE_ALIAS("snd-hda-codec-id:808629fb");
2696
2697 MODULE_LICENSE("GPL");
2698 MODULE_DESCRIPTION("HDMI HD-audio codec");
2699 MODULE_ALIAS("snd-hda-codec-intelhdmi");
2700 MODULE_ALIAS("snd-hda-codec-nvhdmi");
2701 MODULE_ALIAS("snd-hda-codec-atihdmi");
2702
2703 static struct hda_codec_preset_list intel_list = {
2704         .preset = snd_hda_preset_hdmi,
2705         .owner = THIS_MODULE,
2706 };
2707
2708 static int __init patch_hdmi_init(void)
2709 {
2710         return snd_hda_add_codec_preset(&intel_list);
2711 }
2712
2713 static void __exit patch_hdmi_exit(void)
2714 {
2715         snd_hda_delete_codec_preset(&intel_list);
2716 }
2717
2718 module_init(patch_hdmi_init)
2719 module_exit(patch_hdmi_exit)