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 setup; /* the stream has been set up by prepare callback */
  71         int channels; /* current number of channels */
  72         bool non_pcm;
  73         bool chmap_set;         /* channel-map override by ALSA API? */
  74         unsigned char chmap[8]; /* ALSA API channel-map */
  75         char pcm_name[8];       /* filled in build_pcm callbacks */
  76 };
  77
  78 struct hdmi_spec {
  79         int num_cvts;
  80         struct snd_array cvts; /* struct hdmi_spec_per_cvt */
  81         hda_nid_t cvt_nids[4]; /* only for haswell fix */
  82
  83         int num_pins;
  84         struct snd_array pins; /* struct hdmi_spec_per_pin */
  85         struct snd_array pcm_rec; /* struct hda_pcm */
  86         unsigned int channels_max; /* max over all cvts */
  87
  88         struct hdmi_eld temp_eld;
  89         /*
  90          * Non-generic ATI/NVIDIA specific
  91          */
  92         struct hda_multi_out multiout;
  93         struct hda_pcm_stream pcm_playback;
  94 };
  95
  96
  97 struct hdmi_audio_infoframe {
  98         u8 type; /* 0x84 */
  99         u8 ver;  /* 0x01 */
 100         u8 len;  /* 0x0a */
 101
 102         u8 checksum;
 103
 104         u8 CC02_CT47;   /* CC in bits 0:2, CT in 4:7 */
 105         u8 SS01_SF24;
 106         u8 CXT04;
 107         u8 CA;
 108         u8 LFEPBL01_LSV36_DM_INH7;
 109 };
 110
 111 struct dp_audio_infoframe {
 112         u8 type; /* 0x84 */
 113         u8 len;  /* 0x1b */
 114         u8 ver;  /* 0x11 << 2 */
 115
 116         u8 CC02_CT47;   /* match with HDMI infoframe from this on */
 117         u8 SS01_SF24;
 118         u8 CXT04;
 119         u8 CA;
 120         u8 LFEPBL01_LSV36_DM_INH7;
 121 };
 122
 123 union audio_infoframe {
 124         struct hdmi_audio_infoframe hdmi;
 125         struct dp_audio_infoframe dp;
 126         u8 bytes[0];
 127 };
 128
 129 /*
 130  * CEA speaker placement:
 131  *
 132  *        FLH       FCH        FRH
 133  *  FLW    FL  FLC   FC   FRC   FR   FRW
 134  *
 135  *                                  LFE
 136  *                     TC
 137  *
 138  *          RL  RLC   RC   RRC   RR
 139  *
 140  * The Left/Right Surround channel _notions_ LS/RS in SMPTE 320M corresponds to
 141  * CEA RL/RR; The SMPTE channel _assignment_ C/LFE is swapped to CEA LFE/FC.
 142  */
 143 enum cea_speaker_placement {
 144         FL  = (1 <<  0),        /* Front Left           */
 145         FC  = (1 <<  1),        /* Front Center         */
 146         FR  = (1 <<  2),        /* Front Right          */
 147         FLC = (1 <<  3),        /* Front Left Center    */
 148         FRC = (1 <<  4),        /* Front Right Center   */
 149         RL  = (1 <<  5),        /* Rear Left            */
 150         RC  = (1 <<  6),        /* Rear Center          */
 151         RR  = (1 <<  7),        /* Rear Right           */
 152         RLC = (1 <<  8),        /* Rear Left Center     */
 153         RRC = (1 <<  9),        /* Rear Right Center    */
 154         LFE = (1 << 10),        /* Low Frequency Effect */
 155         FLW = (1 << 11),        /* Front Left Wide      */
 156         FRW = (1 << 12),        /* Front Right Wide     */
 157         FLH = (1 << 13),        /* Front Left High      */
 158         FCH = (1 << 14),        /* Front Center High    */
 159         FRH = (1 << 15),        /* Front Right High     */
 160         TC  = (1 << 16),        /* Top Center           */
 161 };
 162
 163 /*
 164  * ELD SA bits in the CEA Speaker Allocation data block
 165  */
 166 static int eld_speaker_allocation_bits[] = {
 167         [0] = FL | FR,
 168         [1] = LFE,
 169         [2] = FC,
 170         [3] = RL | RR,
 171         [4] = RC,
 172         [5] = FLC | FRC,
 173         [6] = RLC | RRC,
 174         /* the following are not defined in ELD yet */
 175         [7] = FLW | FRW,
 176         [8] = FLH | FRH,
 177         [9] = TC,
 178         [10] = FCH,
 179 };
 180
 181 struct cea_channel_speaker_allocation {
 182         int ca_index;
 183         int speakers[8];
 184
 185         /* derived values, just for convenience */
 186         int channels;
 187         int spk_mask;
 188 };
 189
 190 /*
 191  * ALSA sequence is:
 192  *
 193  *       surround40   surround41   surround50   surround51   surround71
 194  * ch0   front left   =            =            =            =
 195  * ch1   front right  =            =            =            =
 196  * ch2   rear left    =            =            =            =
 197  * ch3   rear right   =            =            =            =
 198  * ch4                LFE          center       center       center
 199  * ch5                                          LFE          LFE
 200  * ch6                                                       side left
 201  * ch7                                                       side right
 202  *
 203  * surround71 = {FL, FR, RLC, RRC, FC, LFE, RL, RR}
 204  */
 205 static int hdmi_channel_mapping[0x32][8] = {
 206         /* stereo */
 207         [0x00] = { 0x00, 0x11, 0xf2, 0xf3, 0xf4, 0xf5, 0xf6, 0xf7 },
 208         /* 2.1 */
 209         [0x01] = { 0x00, 0x11, 0x22, 0xf3, 0xf4, 0xf5, 0xf6, 0xf7 },
 210         /* Dolby Surround */
 211         [0x02] = { 0x00, 0x11, 0x23, 0xf2, 0xf4, 0xf5, 0xf6, 0xf7 },
 212         /* surround40 */
 213         [0x08] = { 0x00, 0x11, 0x24, 0x35, 0xf3, 0xf2, 0xf6, 0xf7 },
 214         /* 4ch */
 215         [0x03] = { 0x00, 0x11, 0x23, 0x32, 0x44, 0xf5, 0xf6, 0xf7 },
 216         /* surround41 */
 217         [0x09] = { 0x00, 0x11, 0x24, 0x35, 0x42, 0xf3, 0xf6, 0xf7 },
 218         /* surround50 */
 219         [0x0a] = { 0x00, 0x11, 0x24, 0x35, 0x43, 0xf2, 0xf6, 0xf7 },
 220         /* surround51 */
 221         [0x0b] = { 0x00, 0x11, 0x24, 0x35, 0x43, 0x52, 0xf6, 0xf7 },
 222         /* 7.1 */
 223         [0x13] = { 0x00, 0x11, 0x26, 0x37, 0x43, 0x52, 0x64, 0x75 },
 224 };
 225
 226 /*
 227  * This is an ordered list!
 228  *
 229  * The preceding ones have better chances to be selected by
 230  * hdmi_channel_allocation().
 231  */
 232 static struct cea_channel_speaker_allocation channel_allocations[] = {
 233 /*                        channel:   7     6    5    4    3     2    1    0  */
 234 { .ca_index = 0x00,  .speakers = {   0,    0,   0,   0,   0,    0,  FR,  FL } },
 235                                  /* 2.1 */
 236 { .ca_index = 0x01,  .speakers = {   0,    0,   0,   0,   0,  LFE,  FR,  FL } },
 237                                  /* Dolby Surround */
 238 { .ca_index = 0x02,  .speakers = {   0,    0,   0,   0,  FC,    0,  FR,  FL } },
 239                                  /* surround40 */
 240 { .ca_index = 0x08,  .speakers = {   0,    0,  RR,  RL,   0,    0,  FR,  FL } },
 241                                  /* surround41 */
 242 { .ca_index = 0x09,  .speakers = {   0,    0,  RR,  RL,   0,  LFE,  FR,  FL } },
 243                                  /* surround50 */
 244 { .ca_index = 0x0a,  .speakers = {   0,    0,  RR,  RL,  FC,    0,  FR,  FL } },
 245                                  /* surround51 */
 246 { .ca_index = 0x0b,  .speakers = {   0,    0,  RR,  RL,  FC,  LFE,  FR,  FL } },
 247                                  /* 6.1 */
 248 { .ca_index = 0x0f,  .speakers = {   0,   RC,  RR,  RL,  FC,  LFE,  FR,  FL } },
 249                                  /* surround71 */
 250 { .ca_index = 0x13,  .speakers = { RRC,  RLC,  RR,  RL,  FC,  LFE,  FR,  FL } },
 251
 252 { .ca_index = 0x03,  .speakers = {   0,    0,   0,   0,  FC,  LFE,  FR,  FL } },
 253 { .ca_index = 0x04,  .speakers = {   0,    0,   0,  RC,   0,    0,  FR,  FL } },
 254 { .ca_index = 0x05,  .speakers = {   0,    0,   0,  RC,   0,  LFE,  FR,  FL } },
 255 { .ca_index = 0x06,  .speakers = {   0,    0,   0,  RC,  FC,    0,  FR,  FL } },
 256 { .ca_index = 0x07,  .speakers = {   0,    0,   0,  RC,  FC,  LFE,  FR,  FL } },
 257 { .ca_index = 0x0c,  .speakers = {   0,   RC,  RR,  RL,   0,    0,  FR,  FL } },
 258 { .ca_index = 0x0d,  .speakers = {   0,   RC,  RR,  RL,   0,  LFE,  FR,  FL } },
 259 { .ca_index = 0x0e,  .speakers = {   0,   RC,  RR,  RL,  FC,    0,  FR,  FL } },
 260 { .ca_index = 0x10,  .speakers = { RRC,  RLC,  RR,  RL,   0,    0,  FR,  FL } },
 261 { .ca_index = 0x11,  .speakers = { RRC,  RLC,  RR,  RL,   0,  LFE,  FR,  FL } },
 262 { .ca_index = 0x12,  .speakers = { RRC,  RLC,  RR,  RL,  FC,    0,  FR,  FL } },
 263 { .ca_index = 0x14,  .speakers = { FRC,  FLC,   0,   0,   0,    0,  FR,  FL } },
 264 { .ca_index = 0x15,  .speakers = { FRC,  FLC,   0,   0,   0,  LFE,  FR,  FL } },
 265 { .ca_index = 0x16,  .speakers = { FRC,  FLC,   0,   0,  FC,    0,  FR,  FL } },
 266 { .ca_index = 0x17,  .speakers = { FRC,  FLC,   0,   0,  FC,  LFE,  FR,  FL } },
 267 { .ca_index = 0x18,  .speakers = { FRC,  FLC,   0,  RC,   0,    0,  FR,  FL } },
 268 { .ca_index = 0x19,  .speakers = { FRC,  FLC,   0,  RC,   0,  LFE,  FR,  FL } },
 269 { .ca_index = 0x1a,  .speakers = { FRC,  FLC,   0,  RC,  FC,    0,  FR,  FL } },
 270 { .ca_index = 0x1b,  .speakers = { FRC,  FLC,   0,  RC,  FC,  LFE,  FR,  FL } },
 271 { .ca_index = 0x1c,  .speakers = { FRC,  FLC,  RR,  RL,   0,    0,  FR,  FL } },
 272 { .ca_index = 0x1d,  .speakers = { FRC,  FLC,  RR,  RL,   0,  LFE,  FR,  FL } },
 273 { .ca_index = 0x1e,  .speakers = { FRC,  FLC,  RR,  RL,  FC,    0,  FR,  FL } },
 274 { .ca_index = 0x1f,  .speakers = { FRC,  FLC,  RR,  RL,  FC,  LFE,  FR,  FL } },
 275 { .ca_index = 0x20,  .speakers = {   0,  FCH,  RR,  RL,  FC,    0,  FR,  FL } },
 276 { .ca_index = 0x21,  .speakers = {   0,  FCH,  RR,  RL,  FC,  LFE,  FR,  FL } },
 277 { .ca_index = 0x22,  .speakers = {  TC,    0,  RR,  RL,  FC,    0,  FR,  FL } },
 278 { .ca_index = 0x23,  .speakers = {  TC,    0,  RR,  RL,  FC,  LFE,  FR,  FL } },
 279 { .ca_index = 0x24,  .speakers = { FRH,  FLH,  RR,  RL,   0,    0,  FR,  FL } },
 280 { .ca_index = 0x25,  .speakers = { FRH,  FLH,  RR,  RL,   0,  LFE,  FR,  FL } },
 281 { .ca_index = 0x26,  .speakers = { FRW,  FLW,  RR,  RL,   0,    0,  FR,  FL } },
 282 { .ca_index = 0x27,  .speakers = { FRW,  FLW,  RR,  RL,   0,  LFE,  FR,  FL } },
 283 { .ca_index = 0x28,  .speakers = {  TC,   RC,  RR,  RL,  FC,    0,  FR,  FL } },
 284 { .ca_index = 0x29,  .speakers = {  TC,   RC,  RR,  RL,  FC,  LFE,  FR,  FL } },
 285 { .ca_index = 0x2a,  .speakers = { FCH,   RC,  RR,  RL,  FC,    0,  FR,  FL } },
 286 { .ca_index = 0x2b,  .speakers = { FCH,   RC,  RR,  RL,  FC,  LFE,  FR,  FL } },
 287 { .ca_index = 0x2c,  .speakers = {  TC,  FCH,  RR,  RL,  FC,    0,  FR,  FL } },
 288 { .ca_index = 0x2d,  .speakers = {  TC,  FCH,  RR,  RL,  FC,  LFE,  FR,  FL } },
 289 { .ca_index = 0x2e,  .speakers = { FRH,  FLH,  RR,  RL,  FC,    0,  FR,  FL } },
 290 { .ca_index = 0x2f,  .speakers = { FRH,  FLH,  RR,  RL,  FC,  LFE,  FR,  FL } },
 291 { .ca_index = 0x30,  .speakers = { FRW,  FLW,  RR,  RL,  FC,    0,  FR,  FL } },
 292 { .ca_index = 0x31,  .speakers = { FRW,  FLW,  RR,  RL,  FC,  LFE,  FR,  FL } },
 293 };
 294
 295
 296 /*
 297  * HDMI routines
 298  */
 299
 300 #define get_pin(spec, idx) \
 301         ((struct hdmi_spec_per_pin *)snd_array_elem(&spec->pins, idx))
 302 #define get_cvt(spec, idx) \
 303         ((struct hdmi_spec_per_cvt  *)snd_array_elem(&spec->cvts, idx))
 304 #define get_pcm_rec(spec, idx) \
 305         ((struct hda_pcm *)snd_array_elem(&spec->pcm_rec, idx))
 306
 307 static int pin_nid_to_pin_index(struct hdmi_spec *spec, hda_nid_t pin_nid)
 308 {
 309         int pin_idx;
 310
 311         for (pin_idx = 0; pin_idx < spec->num_pins; pin_idx++)
 312                 if (get_pin(spec, pin_idx)->pin_nid == pin_nid)
 313                         return pin_idx;
 314
 315         snd_printk(KERN_WARNING "HDMI: pin nid %d not registered\n", pin_nid);
 316         return -EINVAL;
 317 }
 318
 319 static int hinfo_to_pin_index(struct hdmi_spec *spec,
 320                               struct hda_pcm_stream *hinfo)
 321 {
 322         int pin_idx;
 323
 324         for (pin_idx = 0; pin_idx < spec->num_pins; pin_idx++)
 325                 if (get_pcm_rec(spec, pin_idx)->stream == hinfo)
 326                         return pin_idx;
 327
 328         snd_printk(KERN_WARNING "HDMI: hinfo %p not registered\n", hinfo);
 329         return -EINVAL;
 330 }
 331
 332 static int cvt_nid_to_cvt_index(struct hdmi_spec *spec, hda_nid_t cvt_nid)
 333 {
 334         int cvt_idx;
 335
 336         for (cvt_idx = 0; cvt_idx < spec->num_cvts; cvt_idx++)
 337                 if (get_cvt(spec, cvt_idx)->cvt_nid == cvt_nid)
 338                         return cvt_idx;
 339
 340         snd_printk(KERN_WARNING "HDMI: cvt nid %d not registered\n", cvt_nid);
 341         return -EINVAL;
 342 }
 343
 344 static int hdmi_eld_ctl_info(struct snd_kcontrol *kcontrol,
 345                         struct snd_ctl_elem_info *uinfo)
 346 {
 347         struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
 348         struct hdmi_spec *spec = codec->spec;
 349         struct hdmi_eld *eld;
 350         int pin_idx;
 351
 352         uinfo->type = SNDRV_CTL_ELEM_TYPE_BYTES;
 353
 354         pin_idx = kcontrol->private_value;
 355         eld = &get_pin(spec, pin_idx)->sink_eld;
 356
 357         mutex_lock(&eld->lock);
 358         uinfo->count = eld->eld_valid ? eld->eld_size : 0;
 359         mutex_unlock(&eld->lock);
 360
 361         return 0;
 362 }
 363
 364 static int hdmi_eld_ctl_get(struct snd_kcontrol *kcontrol,
 365                         struct snd_ctl_elem_value *ucontrol)
 366 {
 367         struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
 368         struct hdmi_spec *spec = codec->spec;
 369         struct hdmi_eld *eld;
 370         int pin_idx;
 371
 372         pin_idx = kcontrol->private_value;
 373         eld = &get_pin(spec, pin_idx)->sink_eld;
 374
 375         mutex_lock(&eld->lock);
 376         if (eld->eld_size > ARRAY_SIZE(ucontrol->value.bytes.data)) {
 377                 mutex_unlock(&eld->lock);
 378                 snd_BUG();
 379                 return -EINVAL;
 380         }
 381
 382         memset(ucontrol->value.bytes.data, 0,
 383                ARRAY_SIZE(ucontrol->value.bytes.data));
 384         if (eld->eld_valid)
 385                 memcpy(ucontrol->value.bytes.data, eld->eld_buffer,
 386                        eld->eld_size);
 387         mutex_unlock(&eld->lock);
 388
 389         return 0;
 390 }
 391
 392 static struct snd_kcontrol_new eld_bytes_ctl = {
 393         .access = SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_VOLATILE,
 394         .iface = SNDRV_CTL_ELEM_IFACE_PCM,
 395         .name = "ELD",
 396         .info = hdmi_eld_ctl_info,
 397         .get = hdmi_eld_ctl_get,
 398 };
 399
 400 static int hdmi_create_eld_ctl(struct hda_codec *codec, int pin_idx,
 401                         int device)
 402 {
 403         struct snd_kcontrol *kctl;
 404         struct hdmi_spec *spec = codec->spec;
 405         int err;
 406
 407         kctl = snd_ctl_new1(&eld_bytes_ctl, codec);
 408         if (!kctl)
 409                 return -ENOMEM;
 410         kctl->private_value = pin_idx;
 411         kctl->id.device = device;
 412
 413         err = snd_hda_ctl_add(codec, get_pin(spec, pin_idx)->pin_nid, kctl);
 414         if (err < 0)
 415                 return err;
 416
 417         get_pin(spec, pin_idx)->eld_ctl = kctl;
 418         return 0;
 419 }
 420
 421 #ifdef BE_PARANOID
 422 static void hdmi_get_dip_index(struct hda_codec *codec, hda_nid_t pin_nid,
 423                                 int *packet_index, int *byte_index)
 424 {
 425         int val;
 426
 427         val = snd_hda_codec_read(codec, pin_nid, 0,
 428                                  AC_VERB_GET_HDMI_DIP_INDEX, 0);
 429
 430         *packet_index = val >> 5;
 431         *byte_index = val & 0x1f;
 432 }
 433 #endif
 434
 435 static void hdmi_set_dip_index(struct hda_codec *codec, hda_nid_t pin_nid,
 436                                 int packet_index, int byte_index)
 437 {
 438         int val;
 439
 440         val = (packet_index << 5) | (byte_index & 0x1f);
 441
 442         snd_hda_codec_write(codec, pin_nid, 0, AC_VERB_SET_HDMI_DIP_INDEX, val);
 443 }
 444
 445 static void hdmi_write_dip_byte(struct hda_codec *codec, hda_nid_t pin_nid,
 446                                 unsigned char val)
 447 {
 448         snd_hda_codec_write(codec, pin_nid, 0, AC_VERB_SET_HDMI_DIP_DATA, val);
 449 }
 450
 451 static void hdmi_init_pin(struct hda_codec *codec, hda_nid_t pin_nid)
 452 {
 453         /* Unmute */
 454         if (get_wcaps(codec, pin_nid) & AC_WCAP_OUT_AMP)
 455                 snd_hda_codec_write(codec, pin_nid, 0,
 456                                 AC_VERB_SET_AMP_GAIN_MUTE, AMP_OUT_UNMUTE);
 457         /* Enable pin out: some machines with GM965 gets broken output when
 458          * the pin is disabled or changed while using with HDMI
 459          */
 460         snd_hda_codec_write(codec, pin_nid, 0,
 461                             AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_OUT);
 462 }
 463
 464 static int hdmi_get_channel_count(struct hda_codec *codec, hda_nid_t cvt_nid)
 465 {
 466         return 1 + snd_hda_codec_read(codec, cvt_nid, 0,
 467                                         AC_VERB_GET_CVT_CHAN_COUNT, 0);
 468 }
 469
 470 static void hdmi_set_channel_count(struct hda_codec *codec,
 471                                    hda_nid_t cvt_nid, int chs)
 472 {
 473         if (chs != hdmi_get_channel_count(codec, cvt_nid))
 474                 snd_hda_codec_write(codec, cvt_nid, 0,
 475                                     AC_VERB_SET_CVT_CHAN_COUNT, chs - 1);
 476 }
 477
 478
 479 /*
 480  * Channel mapping routines
 481  */
 482
 483 /*
 484  * Compute derived values in channel_allocations[].
 485  */
 486 static void init_channel_allocations(void)
 487 {
 488         int i, j;
 489         struct cea_channel_speaker_allocation *p;
 490
 491         for (i = 0; i < ARRAY_SIZE(channel_allocations); i++) {
 492                 p = channel_allocations + i;
 493                 p->channels = 0;
 494                 p->spk_mask = 0;
 495                 for (j = 0; j < ARRAY_SIZE(p->speakers); j++)
 496                         if (p->speakers[j]) {
 497                                 p->channels++;
 498                                 p->spk_mask |= p->speakers[j];
 499                         }
 500         }
 501 }
 502
 503 static int get_channel_allocation_order(int ca)
 504 {
 505         int i;
 506
 507         for (i = 0; i < ARRAY_SIZE(channel_allocations); i++) {
 508                 if (channel_allocations[i].ca_index == ca)
 509                         break;
 510         }
 511         return i;
 512 }
 513
 514 /*
 515  * The transformation takes two steps:
 516  *
 517  *      eld->spk_alloc => (eld_speaker_allocation_bits[]) => spk_mask
 518  *            spk_mask => (channel_allocations[])         => ai->CA
 519  *
 520  * TODO: it could select the wrong CA from multiple candidates.
 521 */
 522 static int hdmi_channel_allocation(struct hdmi_eld *eld, int channels)
 523 {
 524         int i;
 525         int ca = 0;
 526         int spk_mask = 0;
 527         char buf[SND_PRINT_CHANNEL_ALLOCATION_ADVISED_BUFSIZE];
 528
 529         /*
 530          * CA defaults to 0 for basic stereo audio
 531          */
 532         if (channels <= 2)
 533                 return 0;
 534
 535         /*
 536          * expand ELD's speaker allocation mask
 537          *
 538          * ELD tells the speaker mask in a compact(paired) form,
 539          * expand ELD's notions to match the ones used by Audio InfoFrame.
 540          */
 541         for (i = 0; i < ARRAY_SIZE(eld_speaker_allocation_bits); i++) {
 542                 if (eld->info.spk_alloc & (1 << i))
 543                         spk_mask |= eld_speaker_allocation_bits[i];
 544         }
 545
 546         /* search for the first working match in the CA table */
 547         for (i = 0; i < ARRAY_SIZE(channel_allocations); i++) {
 548                 if (channels == channel_allocations[i].channels &&
 549                     (spk_mask & channel_allocations[i].spk_mask) ==
 550                                 channel_allocations[i].spk_mask) {
 551                         ca = channel_allocations[i].ca_index;
 552                         break;
 553                 }
 554         }
 555
 556         snd_print_channel_allocation(eld->info.spk_alloc, buf, sizeof(buf));
 557         snd_printdd("HDMI: select CA 0x%x for %d-channel allocation: %s\n",
 558                     ca, channels, buf);
 559
 560         return ca;
 561 }
 562
 563 static void hdmi_debug_channel_mapping(struct hda_codec *codec,
 564                                        hda_nid_t pin_nid)
 565 {
 566 #ifdef CONFIG_SND_DEBUG_VERBOSE
 567         int i;
 568         int slot;
 569
 570         for (i = 0; i < 8; i++) {
 571                 slot = snd_hda_codec_read(codec, pin_nid, 0,
 572                                                 AC_VERB_GET_HDMI_CHAN_SLOT, i);
 573                 printk(KERN_DEBUG "HDMI: ASP channel %d => slot %d\n",
 574                                                 slot >> 4, slot & 0xf);
 575         }
 576 #endif
 577 }
 578
 579
 580 static void hdmi_std_setup_channel_mapping(struct hda_codec *codec,
 581                                        hda_nid_t pin_nid,
 582                                        bool non_pcm,
 583                                        int ca)
 584 {
 585         int i;
 586         int err;
 587         int order;
 588         int non_pcm_mapping[8];
 589
 590         order = get_channel_allocation_order(ca);
 591
 592         if (hdmi_channel_mapping[ca][1] == 0) {
 593                 for (i = 0; i < channel_allocations[order].channels; i++)
 594                         hdmi_channel_mapping[ca][i] = i | (i << 4);
 595                 for (; i < 8; i++)
 596                         hdmi_channel_mapping[ca][i] = 0xf | (i << 4);
 597         }
 598
 599         if (non_pcm) {
 600                 for (i = 0; i < channel_allocations[order].channels; i++)
 601                         non_pcm_mapping[i] = i | (i << 4);
 602                 for (; i < 8; i++)
 603                         non_pcm_mapping[i] = 0xf | (i << 4);
 604         }
 605
 606         for (i = 0; i < 8; i++) {
 607                 err = snd_hda_codec_write(codec, pin_nid, 0,
 608                                           AC_VERB_SET_HDMI_CHAN_SLOT,
 609                                           non_pcm ? non_pcm_mapping[i] : hdmi_channel_mapping[ca][i]);
 610                 if (err) {
 611                         snd_printdd(KERN_NOTICE
 612                                     "HDMI: channel mapping failed\n");
 613                         break;
 614                 }
 615         }
 616
 617         hdmi_debug_channel_mapping(codec, pin_nid);
 618 }
 619
 620 struct channel_map_table {
 621         unsigned char map;              /* ALSA API channel map position */
 622         unsigned char cea_slot;         /* CEA slot value */
 623         int spk_mask;                   /* speaker position bit mask */
 624 };
 625
 626 static struct channel_map_table map_tables[] = {
 627         { SNDRV_CHMAP_FL,       0x00,   FL },
 628         { SNDRV_CHMAP_FR,       0x01,   FR },
 629         { SNDRV_CHMAP_RL,       0x04,   RL },
 630         { SNDRV_CHMAP_RR,       0x05,   RR },
 631         { SNDRV_CHMAP_LFE,      0x02,   LFE },
 632         { SNDRV_CHMAP_FC,       0x03,   FC },
 633         { SNDRV_CHMAP_RLC,      0x06,   RLC },
 634         { SNDRV_CHMAP_RRC,      0x07,   RRC },
 635         {} /* terminator */
 636 };
 637
 638 /* from ALSA API channel position to speaker bit mask */
 639 static int to_spk_mask(unsigned char c)
 640 {
 641         struct channel_map_table *t = map_tables;
 642         for (; t->map; t++) {
 643                 if (t->map == c)
 644                         return t->spk_mask;
 645         }
 646         return 0;
 647 }
 648
 649 /* from ALSA API channel position to CEA slot */
 650 static int to_cea_slot(unsigned char c)
 651 {
 652         struct channel_map_table *t = map_tables;
 653         for (; t->map; t++) {
 654                 if (t->map == c)
 655                         return t->cea_slot;
 656         }
 657         return 0x0f;
 658 }
 659
 660 /* from CEA slot to ALSA API channel position */
 661 static int from_cea_slot(unsigned char c)
 662 {
 663         struct channel_map_table *t = map_tables;
 664         for (; t->map; t++) {
 665                 if (t->cea_slot == c)
 666                         return t->map;
 667         }
 668         return 0;
 669 }
 670
 671 /* from speaker bit mask to ALSA API channel position */
 672 static int spk_to_chmap(int spk)
 673 {
 674         struct channel_map_table *t = map_tables;
 675         for (; t->map; t++) {
 676                 if (t->spk_mask == spk)
 677                         return t->map;
 678         }
 679         return 0;
 680 }
 681
 682 /* get the CA index corresponding to the given ALSA API channel map */
 683 static int hdmi_manual_channel_allocation(int chs, unsigned char *map)
 684 {
 685         int i, spks = 0, spk_mask = 0;
 686
 687         for (i = 0; i < chs; i++) {
 688                 int mask = to_spk_mask(map[i]);
 689                 if (mask) {
 690                         spk_mask |= mask;
 691                         spks++;
 692                 }
 693         }
 694
 695         for (i = 0; i < ARRAY_SIZE(channel_allocations); i++) {
 696                 if ((chs == channel_allocations[i].channels ||
 697                      spks == channel_allocations[i].channels) &&
 698                     (spk_mask & channel_allocations[i].spk_mask) ==
 699                                 channel_allocations[i].spk_mask)
 700                         return channel_allocations[i].ca_index;
 701         }
 702         return -1;
 703 }
 704
 705 /* set up the channel slots for the given ALSA API channel map */
 706 static int hdmi_manual_setup_channel_mapping(struct hda_codec *codec,
 707                                              hda_nid_t pin_nid,
 708                                              int chs, unsigned char *map)
 709 {
 710         int i;
 711         for (i = 0; i < 8; i++) {
 712                 int val, err;
 713                 if (i < chs)
 714                         val = to_cea_slot(map[i]);
 715                 else
 716                         val = 0xf;
 717                 val |= (i << 4);
 718                 err = snd_hda_codec_write(codec, pin_nid, 0,
 719                                           AC_VERB_SET_HDMI_CHAN_SLOT, val);
 720                 if (err)
 721                         return -EINVAL;
 722         }
 723         return 0;
 724 }
 725
 726 /* store ALSA API channel map from the current default map */
 727 static void hdmi_setup_fake_chmap(unsigned char *map, int ca)
 728 {
 729         int i;
 730         for (i = 0; i < 8; i++) {
 731                 if (i < channel_allocations[ca].channels)
 732                         map[i] = from_cea_slot((hdmi_channel_mapping[ca][i] >> 4) & 0x0f);
 733                 else
 734                         map[i] = 0;
 735         }
 736 }
 737
 738 static void hdmi_setup_channel_mapping(struct hda_codec *codec,
 739                                        hda_nid_t pin_nid, bool non_pcm, int ca,
 740                                        int channels, unsigned char *map,
 741                                        bool chmap_set)
 742 {
 743         if (!non_pcm && chmap_set) {
 744                 hdmi_manual_setup_channel_mapping(codec, pin_nid,
 745                                                   channels, map);
 746         } else {
 747                 hdmi_std_setup_channel_mapping(codec, pin_nid, non_pcm, ca);
 748                 hdmi_setup_fake_chmap(map, ca);
 749         }
 750 }
 751
 752 /*
 753  * Audio InfoFrame routines
 754  */
 755
 756 /*
 757  * Enable Audio InfoFrame Transmission
 758  */
 759 static void hdmi_start_infoframe_trans(struct hda_codec *codec,
 760                                        hda_nid_t pin_nid)
 761 {
 762         hdmi_set_dip_index(codec, pin_nid, 0x0, 0x0);
 763         snd_hda_codec_write(codec, pin_nid, 0, AC_VERB_SET_HDMI_DIP_XMIT,
 764                                                 AC_DIPXMIT_BEST);
 765 }
 766
 767 /*
 768  * Disable Audio InfoFrame Transmission
 769  */
 770 static void hdmi_stop_infoframe_trans(struct hda_codec *codec,
 771                                       hda_nid_t pin_nid)
 772 {
 773         hdmi_set_dip_index(codec, pin_nid, 0x0, 0x0);
 774         snd_hda_codec_write(codec, pin_nid, 0, AC_VERB_SET_HDMI_DIP_XMIT,
 775                                                 AC_DIPXMIT_DISABLE);
 776 }
 777
 778 static void hdmi_debug_dip_size(struct hda_codec *codec, hda_nid_t pin_nid)
 779 {
 780 #ifdef CONFIG_SND_DEBUG_VERBOSE
 781         int i;
 782         int size;
 783
 784         size = snd_hdmi_get_eld_size(codec, pin_nid);
 785         printk(KERN_DEBUG "HDMI: ELD buf size is %d\n", size);
 786
 787         for (i = 0; i < 8; i++) {
 788                 size = snd_hda_codec_read(codec, pin_nid, 0,
 789                                                 AC_VERB_GET_HDMI_DIP_SIZE, i);
 790                 printk(KERN_DEBUG "HDMI: DIP GP[%d] buf size is %d\n", i, size);
 791         }
 792 #endif
 793 }
 794
 795 static void hdmi_clear_dip_buffers(struct hda_codec *codec, hda_nid_t pin_nid)
 796 {
 797 #ifdef BE_PARANOID
 798         int i, j;
 799         int size;
 800         int pi, bi;
 801         for (i = 0; i < 8; i++) {
 802                 size = snd_hda_codec_read(codec, pin_nid, 0,
 803                                                 AC_VERB_GET_HDMI_DIP_SIZE, i);
 804                 if (size == 0)
 805                         continue;
 806
 807                 hdmi_set_dip_index(codec, pin_nid, i, 0x0);
 808                 for (j = 1; j < 1000; j++) {
 809                         hdmi_write_dip_byte(codec, pin_nid, 0x0);
 810                         hdmi_get_dip_index(codec, pin_nid, &pi, &bi);
 811                         if (pi != i)
 812                                 snd_printd(KERN_INFO "dip index %d: %d != %d\n",
 813                                                 bi, pi, i);
 814                         if (bi == 0) /* byte index wrapped around */
 815                                 break;
 816                 }
 817                 snd_printd(KERN_INFO
 818                         "HDMI: DIP GP[%d] buf reported size=%d, written=%d\n",
 819                         i, size, j);
 820         }
 821 #endif
 822 }
 823
 824 static void hdmi_checksum_audio_infoframe(struct hdmi_audio_infoframe *hdmi_ai)
 825 {
 826         u8 *bytes = (u8 *)hdmi_ai;
 827         u8 sum = 0;
 828         int i;
 829
 830         hdmi_ai->checksum = 0;
 831
 832         for (i = 0; i < sizeof(*hdmi_ai); i++)
 833                 sum += bytes[i];
 834
 835         hdmi_ai->checksum = -sum;
 836 }
 837
 838 static void hdmi_fill_audio_infoframe(struct hda_codec *codec,
 839                                       hda_nid_t pin_nid,
 840                                       u8 *dip, int size)
 841 {
 842         int i;
 843
 844         hdmi_debug_dip_size(codec, pin_nid);
 845         hdmi_clear_dip_buffers(codec, pin_nid); /* be paranoid */
 846
 847         hdmi_set_dip_index(codec, pin_nid, 0x0, 0x0);
 848         for (i = 0; i < size; i++)
 849                 hdmi_write_dip_byte(codec, pin_nid, dip[i]);
 850 }
 851
 852 static bool hdmi_infoframe_uptodate(struct hda_codec *codec, hda_nid_t pin_nid,
 853                                     u8 *dip, int size)
 854 {
 855         u8 val;
 856         int i;
 857
 858         if (snd_hda_codec_read(codec, pin_nid, 0, AC_VERB_GET_HDMI_DIP_XMIT, 0)
 859                                                             != AC_DIPXMIT_BEST)
 860                 return false;
 861
 862         hdmi_set_dip_index(codec, pin_nid, 0x0, 0x0);
 863         for (i = 0; i < size; i++) {
 864                 val = snd_hda_codec_read(codec, pin_nid, 0,
 865                                          AC_VERB_GET_HDMI_DIP_DATA, 0);
 866                 if (val != dip[i])
 867                         return false;
 868         }
 869
 870         return true;
 871 }
 872
 873 static void hdmi_setup_audio_infoframe(struct hda_codec *codec,
 874                                        struct hdmi_spec_per_pin *per_pin,
 875                                        bool non_pcm)
 876 {
 877         hda_nid_t pin_nid = per_pin->pin_nid;
 878         int channels = per_pin->channels;
 879         struct hdmi_eld *eld;
 880         int ca;
 881         union audio_infoframe ai;
 882
 883         if (!channels)
 884                 return;
 885
 886         eld = &per_pin->sink_eld;
 887         if (!eld->monitor_present)
 888                 return;
 889
 890         if (!non_pcm && per_pin->chmap_set)
 891                 ca = hdmi_manual_channel_allocation(channels, per_pin->chmap);
 892         else
 893                 ca = hdmi_channel_allocation(eld, channels);
 894         if (ca < 0)
 895                 ca = 0;
 896
 897         memset(&ai, 0, sizeof(ai));
 898         if (eld->info.conn_type == 0) { /* HDMI */
 899                 struct hdmi_audio_infoframe *hdmi_ai = &ai.hdmi;
 900
 901                 hdmi_ai->type           = 0x84;
 902                 hdmi_ai->ver            = 0x01;
 903                 hdmi_ai->len            = 0x0a;
 904                 hdmi_ai->CC02_CT47      = channels - 1;
 905                 hdmi_ai->CA             = ca;
 906                 hdmi_checksum_audio_infoframe(hdmi_ai);
 907         } else if (eld->info.conn_type == 1) { /* DisplayPort */
 908                 struct dp_audio_infoframe *dp_ai = &ai.dp;
 909
 910                 dp_ai->type             = 0x84;
 911                 dp_ai->len              = 0x1b;
 912                 dp_ai->ver              = 0x11 << 2;
 913                 dp_ai->CC02_CT47        = channels - 1;
 914                 dp_ai->CA               = ca;
 915         } else {
 916                 snd_printd("HDMI: unknown connection type at pin %d\n",
 917                             pin_nid);
 918                 return;
 919         }
 920
 921         /*
 922          * sizeof(ai) is used instead of sizeof(*hdmi_ai) or
 923          * sizeof(*dp_ai) to avoid partial match/update problems when
 924          * the user switches between HDMI/DP monitors.
 925          */
 926         if (!hdmi_infoframe_uptodate(codec, pin_nid, ai.bytes,
 927                                         sizeof(ai))) {
 928                 snd_printdd("hdmi_setup_audio_infoframe: "
 929                             "pin=%d channels=%d\n",
 930                             pin_nid,
 931                             channels);
 932                 hdmi_setup_channel_mapping(codec, pin_nid, non_pcm, ca,
 933                                            channels, per_pin->chmap,
 934                                            per_pin->chmap_set);
 935                 hdmi_stop_infoframe_trans(codec, pin_nid);
 936                 hdmi_fill_audio_infoframe(codec, pin_nid,
 937                                             ai.bytes, sizeof(ai));
 938                 hdmi_start_infoframe_trans(codec, pin_nid);
 939         } else {
 940                 /* For non-pcm audio switch, setup new channel mapping
 941                  * accordingly */
 942                 if (per_pin->non_pcm != non_pcm)
 943                         hdmi_setup_channel_mapping(codec, pin_nid, non_pcm, ca,
 944                                                    channels, per_pin->chmap,
 945                                                    per_pin->chmap_set);
 946         }
 947
 948         per_pin->non_pcm = non_pcm;
 949 }
 950
 951
 952 /*
 953  * Unsolicited events
 954  */
 955
 956 static void hdmi_present_sense(struct hdmi_spec_per_pin *per_pin, int repoll);
 957
 958 static void hdmi_intrinsic_event(struct hda_codec *codec, unsigned int res)
 959 {
 960         struct hdmi_spec *spec = codec->spec;
 961         int tag = res >> AC_UNSOL_RES_TAG_SHIFT;
 962         int pin_nid;
 963         int pin_idx;
 964         struct hda_jack_tbl *jack;
 965
 966         jack = snd_hda_jack_tbl_get_from_tag(codec, tag);
 967         if (!jack)
 968                 return;
 969         pin_nid = jack->nid;
 970         jack->jack_dirty = 1;
 971
 972         _snd_printd(SND_PR_VERBOSE,
 973                 "HDMI hot plug event: Codec=%d Pin=%d Presence_Detect=%d ELD_Valid=%d\n",
 974                 codec->addr, pin_nid,
 975                 !!(res & AC_UNSOL_RES_PD), !!(res & AC_UNSOL_RES_ELDV));
 976
 977         pin_idx = pin_nid_to_pin_index(spec, pin_nid);
 978         if (pin_idx < 0)
 979                 return;
 980
 981         hdmi_present_sense(get_pin(spec, pin_idx), 1);
 982         snd_hda_jack_report_sync(codec);
 983 }
 984
 985 static void hdmi_non_intrinsic_event(struct hda_codec *codec, unsigned int res)
 986 {
 987         int tag = res >> AC_UNSOL_RES_TAG_SHIFT;
 988         int subtag = (res & AC_UNSOL_RES_SUBTAG) >> AC_UNSOL_RES_SUBTAG_SHIFT;
 989         int cp_state = !!(res & AC_UNSOL_RES_CP_STATE);
 990         int cp_ready = !!(res & AC_UNSOL_RES_CP_READY);
 991
 992         printk(KERN_INFO
 993                 "HDMI CP event: CODEC=%d TAG=%d SUBTAG=0x%x CP_STATE=%d CP_READY=%d\n",
 994                 codec->addr,
 995                 tag,
 996                 subtag,
 997                 cp_state,
 998                 cp_ready);
 999
1000         /* TODO */
1001         if (cp_state)
1002                 ;
1003         if (cp_ready)
1004                 ;
1005 }
1006
1007
1008 static void hdmi_unsol_event(struct hda_codec *codec, unsigned int res)
1009 {
1010         int tag = res >> AC_UNSOL_RES_TAG_SHIFT;
1011         int subtag = (res & AC_UNSOL_RES_SUBTAG) >> AC_UNSOL_RES_SUBTAG_SHIFT;
1012
1013         if (!snd_hda_jack_tbl_get_from_tag(codec, tag)) {
1014                 snd_printd(KERN_INFO "Unexpected HDMI event tag 0x%x\n", tag);
1015                 return;
1016         }
1017
1018         if (subtag == 0)
1019                 hdmi_intrinsic_event(codec, res);
1020         else
1021                 hdmi_non_intrinsic_event(codec, res);
1022 }
1023
1024 static void haswell_verify_pin_D0(struct hda_codec *codec, hda_nid_t nid)
1025 {
1026         int pwr, lamp, ramp;
1027
1028         pwr = snd_hda_codec_read(codec, nid, 0, AC_VERB_GET_POWER_STATE, 0);
1029         pwr = (pwr & AC_PWRST_ACTUAL) >> AC_PWRST_ACTUAL_SHIFT;
1030         if (pwr != AC_PWRST_D0) {
1031                 snd_hda_codec_write(codec, nid, 0, AC_VERB_SET_POWER_STATE,
1032                                     AC_PWRST_D0);
1033                 msleep(40);
1034                 pwr = snd_hda_codec_read(codec, nid, 0, AC_VERB_GET_POWER_STATE, 0);
1035                 pwr = (pwr & AC_PWRST_ACTUAL) >> AC_PWRST_ACTUAL_SHIFT;
1036                 snd_printd("Haswell HDMI audio: Power for pin 0x%x is now D%d\n", nid, pwr);
1037         }
1038
1039         lamp = snd_hda_codec_read(codec, nid, 0,
1040                                   AC_VERB_GET_AMP_GAIN_MUTE,
1041                                   AC_AMP_GET_LEFT | AC_AMP_GET_OUTPUT);
1042         ramp = snd_hda_codec_read(codec, nid, 0,
1043                                   AC_VERB_GET_AMP_GAIN_MUTE,
1044                                   AC_AMP_GET_RIGHT | AC_AMP_GET_OUTPUT);
1045         if (lamp != ramp) {
1046                 snd_hda_codec_write(codec, nid, 0, AC_VERB_SET_AMP_GAIN_MUTE,
1047                                     AC_AMP_SET_RIGHT | AC_AMP_SET_OUTPUT | lamp);
1048
1049                 lamp = snd_hda_codec_read(codec, nid, 0,
1050                                   AC_VERB_GET_AMP_GAIN_MUTE,
1051                                   AC_AMP_GET_LEFT | AC_AMP_GET_OUTPUT);
1052                 ramp = snd_hda_codec_read(codec, nid, 0,
1053                                   AC_VERB_GET_AMP_GAIN_MUTE,
1054                                   AC_AMP_GET_RIGHT | AC_AMP_GET_OUTPUT);
1055                 snd_printd("Haswell HDMI audio: Mute after set on pin 0x%x: [0x%x 0x%x]\n", nid, lamp, ramp);
1056         }
1057 }
1058
1059 /*
1060  * Callbacks
1061  */
1062
1063 /* HBR should be Non-PCM, 8 channels */
1064 #define is_hbr_format(format) \
1065         ((format & AC_FMT_TYPE_NON_PCM) && (format & AC_FMT_CHAN_MASK) == 7)
1066
1067 static int hdmi_setup_stream(struct hda_codec *codec, hda_nid_t cvt_nid,
1068                               hda_nid_t pin_nid, u32 stream_tag, int format)
1069 {
1070         int pinctl;
1071         int new_pinctl = 0;
1072
1073         if (codec->vendor_id == 0x80862807)
1074                 haswell_verify_pin_D0(codec, pin_nid);
1075
1076         if (snd_hda_query_pin_caps(codec, pin_nid) & AC_PINCAP_HBR) {
1077                 pinctl = snd_hda_codec_read(codec, pin_nid, 0,
1078                                             AC_VERB_GET_PIN_WIDGET_CONTROL, 0);
1079
1080                 new_pinctl = pinctl & ~AC_PINCTL_EPT;
1081                 if (is_hbr_format(format))
1082                         new_pinctl |= AC_PINCTL_EPT_HBR;
1083                 else
1084                         new_pinctl |= AC_PINCTL_EPT_NATIVE;
1085
1086                 snd_printdd("hdmi_setup_stream: "
1087                             "NID=0x%x, %spinctl=0x%x\n",
1088                             pin_nid,
1089                             pinctl == new_pinctl ? "" : "new-",
1090                             new_pinctl);
1091
1092                 if (pinctl != new_pinctl)
1093                         snd_hda_codec_write(codec, pin_nid, 0,
1094                                             AC_VERB_SET_PIN_WIDGET_CONTROL,
1095                                             new_pinctl);
1096
1097         }
1098         if (is_hbr_format(format) && !new_pinctl) {
1099                 snd_printdd("hdmi_setup_stream: HBR is not supported\n");
1100                 return -EINVAL;
1101         }
1102
1103         snd_hda_codec_setup_stream(codec, cvt_nid, stream_tag, 0, format);
1104         return 0;
1105 }
1106
1107 /*
1108  * HDA PCM callbacks
1109  */
1110 static int hdmi_pcm_open(struct hda_pcm_stream *hinfo,
1111                          struct hda_codec *codec,
1112                          struct snd_pcm_substream *substream)
1113 {
1114         struct hdmi_spec *spec = codec->spec;
1115         struct snd_pcm_runtime *runtime = substream->runtime;
1116         int pin_idx, cvt_idx, mux_idx = 0;
1117         struct hdmi_spec_per_pin *per_pin;
1118         struct hdmi_eld *eld;
1119         struct hdmi_spec_per_cvt *per_cvt = NULL;
1120
1121         /* Validate hinfo */
1122         pin_idx = hinfo_to_pin_index(spec, hinfo);
1123         if (snd_BUG_ON(pin_idx < 0))
1124                 return -EINVAL;
1125         per_pin = get_pin(spec, pin_idx);
1126         eld = &per_pin->sink_eld;
1127
1128         /* Dynamically assign converter to stream */
1129         for (cvt_idx = 0; cvt_idx < spec->num_cvts; cvt_idx++) {
1130                 per_cvt = get_cvt(spec, cvt_idx);
1131
1132                 /* Must not already be assigned */
1133                 if (per_cvt->assigned)
1134                         continue;
1135                 /* Must be in pin's mux's list of converters */
1136                 for (mux_idx = 0; mux_idx < per_pin->num_mux_nids; mux_idx++)
1137                         if (per_pin->mux_nids[mux_idx] == per_cvt->cvt_nid)
1138                                 break;
1139                 /* Not in mux list */
1140                 if (mux_idx == per_pin->num_mux_nids)
1141                         continue;
1142                 break;
1143         }
1144         /* No free converters */
1145         if (cvt_idx == spec->num_cvts)
1146                 return -ENODEV;
1147
1148         /* Claim converter */
1149         per_cvt->assigned = 1;
1150         hinfo->nid = per_cvt->cvt_nid;
1151
1152         snd_hda_codec_write_cache(codec, per_pin->pin_nid, 0,
1153                             AC_VERB_SET_CONNECT_SEL,
1154                             mux_idx);
1155         snd_hda_spdif_ctls_assign(codec, pin_idx, per_cvt->cvt_nid);
1156
1157         /* Initially set the converter's capabilities */
1158         hinfo->channels_min = per_cvt->channels_min;
1159         hinfo->channels_max = per_cvt->channels_max;
1160         hinfo->rates = per_cvt->rates;
1161         hinfo->formats = per_cvt->formats;
1162         hinfo->maxbps = per_cvt->maxbps;
1163
1164         /* Restrict capabilities by ELD if this isn't disabled */
1165         if (!static_hdmi_pcm && eld->eld_valid) {
1166                 snd_hdmi_eld_update_pcm_info(&eld->info, hinfo);
1167                 if (hinfo->channels_min > hinfo->channels_max ||
1168                     !hinfo->rates || !hinfo->formats) {
1169                         per_cvt->assigned = 0;
1170                         hinfo->nid = 0;
1171                         snd_hda_spdif_ctls_unassign(codec, pin_idx);
1172                         return -ENODEV;
1173                 }
1174         }
1175
1176         /* Store the updated parameters */
1177         runtime->hw.channels_min = hinfo->channels_min;
1178         runtime->hw.channels_max = hinfo->channels_max;
1179         runtime->hw.formats = hinfo->formats;
1180         runtime->hw.rates = hinfo->rates;
1181
1182         snd_pcm_hw_constraint_step(substream->runtime, 0,
1183                                    SNDRV_PCM_HW_PARAM_CHANNELS, 2);
1184         return 0;
1185 }
1186
1187 /*
1188  * HDA/HDMI auto parsing
1189  */
1190 static int hdmi_read_pin_conn(struct hda_codec *codec, int pin_idx)
1191 {
1192         struct hdmi_spec *spec = codec->spec;
1193         struct hdmi_spec_per_pin *per_pin = get_pin(spec, pin_idx);
1194         hda_nid_t pin_nid = per_pin->pin_nid;
1195
1196         if (!(get_wcaps(codec, pin_nid) & AC_WCAP_CONN_LIST)) {
1197                 snd_printk(KERN_WARNING
1198                            "HDMI: pin %d wcaps %#x "
1199                            "does not support connection list\n",
1200                            pin_nid, get_wcaps(codec, pin_nid));
1201                 return -EINVAL;
1202         }
1203
1204         per_pin->num_mux_nids = snd_hda_get_connections(codec, pin_nid,
1205                                                         per_pin->mux_nids,
1206                                                         HDA_MAX_CONNECTIONS);
1207
1208         return 0;
1209 }
1210
1211 static void hdmi_present_sense(struct hdmi_spec_per_pin *per_pin, int repoll)
1212 {
1213         struct hda_codec *codec = per_pin->codec;
1214         struct hdmi_spec *spec = codec->spec;
1215         struct hdmi_eld *eld = &spec->temp_eld;
1216         struct hdmi_eld *pin_eld = &per_pin->sink_eld;
1217         hda_nid_t pin_nid = per_pin->pin_nid;
1218         /*
1219          * Always execute a GetPinSense verb here, even when called from
1220          * hdmi_intrinsic_event; for some NVIDIA HW, the unsolicited
1221          * response's PD bit is not the real PD value, but indicates that
1222          * the real PD value changed. An older version of the HD-audio
1223          * specification worked this way. Hence, we just ignore the data in
1224          * the unsolicited response to avoid custom WARs.
1225          */
1226         int present = snd_hda_pin_sense(codec, pin_nid);
1227         bool update_eld = false;
1228         bool eld_changed = false;
1229
1230         pin_eld->monitor_present = !!(present & AC_PINSENSE_PRESENCE);
1231         if (pin_eld->monitor_present)
1232                 eld->eld_valid  = !!(present & AC_PINSENSE_ELDV);
1233         else
1234                 eld->eld_valid = false;
1235
1236         _snd_printd(SND_PR_VERBOSE,
1237                 "HDMI status: Codec=%d Pin=%d Presence_Detect=%d ELD_Valid=%d\n",
1238                 codec->addr, pin_nid, pin_eld->monitor_present, eld->eld_valid);
1239
1240         if (eld->eld_valid) {
1241                 if (snd_hdmi_get_eld(codec, pin_nid, eld->eld_buffer,
1242                                                      &eld->eld_size) < 0)
1243                         eld->eld_valid = false;
1244                 else {
1245                         memset(&eld->info, 0, sizeof(struct parsed_hdmi_eld));
1246                         if (snd_hdmi_parse_eld(&eld->info, eld->eld_buffer,
1247                                                     eld->eld_size) < 0)
1248                                 eld->eld_valid = false;
1249                 }
1250
1251                 if (eld->eld_valid) {
1252                         snd_hdmi_show_eld(&eld->info);
1253                         update_eld = true;
1254                 }
1255                 else if (repoll) {
1256                         queue_delayed_work(codec->bus->workq,
1257                                            &per_pin->work,
1258                                            msecs_to_jiffies(300));
1259                         return;
1260                 }
1261         }
1262
1263         mutex_lock(&pin_eld->lock);
1264         if (pin_eld->eld_valid && !eld->eld_valid) {
1265                 update_eld = true;
1266                 eld_changed = true;
1267         }
1268         if (update_eld) {
1269                 bool old_eld_valid = pin_eld->eld_valid;
1270                 pin_eld->eld_valid = eld->eld_valid;
1271                 eld_changed = pin_eld->eld_size != eld->eld_size ||
1272                               memcmp(pin_eld->eld_buffer, eld->eld_buffer,
1273                                      eld->eld_size) != 0;
1274                 if (eld_changed)
1275                         memcpy(pin_eld->eld_buffer, eld->eld_buffer,
1276                                eld->eld_size);
1277                 pin_eld->eld_size = eld->eld_size;
1278                 pin_eld->info = eld->info;
1279
1280                 /* Haswell-specific workaround: re-setup when the transcoder is
1281                  * changed during the stream playback
1282                  */
1283                 if (codec->vendor_id == 0x80862807 &&
1284                     eld->eld_valid && !old_eld_valid && per_pin->setup) {
1285                         snd_hda_codec_write(codec, pin_nid, 0,
1286                                             AC_VERB_SET_AMP_GAIN_MUTE,
1287                                             AMP_OUT_UNMUTE);
1288                         hdmi_setup_audio_infoframe(codec, per_pin,
1289                                                    per_pin->non_pcm);
1290                 }
1291         }
1292         mutex_unlock(&pin_eld->lock);
1293
1294         if (eld_changed)
1295                 snd_ctl_notify(codec->bus->card,
1296                                SNDRV_CTL_EVENT_MASK_VALUE | SNDRV_CTL_EVENT_MASK_INFO,
1297                                &per_pin->eld_ctl->id);
1298 }
1299
1300 static void hdmi_repoll_eld(struct work_struct *work)
1301 {
1302         struct hdmi_spec_per_pin *per_pin =
1303         container_of(to_delayed_work(work), struct hdmi_spec_per_pin, work);
1304
1305         if (per_pin->repoll_count++ > 6)
1306                 per_pin->repoll_count = 0;
1307
1308         hdmi_present_sense(per_pin, per_pin->repoll_count);
1309 }
1310
1311 static void intel_haswell_fixup_connect_list(struct hda_codec *codec,
1312                                              hda_nid_t nid);
1313
1314 static int hdmi_add_pin(struct hda_codec *codec, hda_nid_t pin_nid)
1315 {
1316         struct hdmi_spec *spec = codec->spec;
1317         unsigned int caps, config;
1318         int pin_idx;
1319         struct hdmi_spec_per_pin *per_pin;
1320         int err;
1321
1322         caps = snd_hda_query_pin_caps(codec, pin_nid);
1323         if (!(caps & (AC_PINCAP_HDMI | AC_PINCAP_DP)))
1324                 return 0;
1325
1326         config = snd_hda_codec_get_pincfg(codec, pin_nid);
1327         if (get_defcfg_connect(config) == AC_JACK_PORT_NONE)
1328                 return 0;
1329
1330         if (codec->vendor_id == 0x80862807)
1331                 intel_haswell_fixup_connect_list(codec, pin_nid);
1332
1333         pin_idx = spec->num_pins;
1334         per_pin = snd_array_new(&spec->pins);
1335         if (!per_pin)
1336                 return -ENOMEM;
1337
1338         per_pin->pin_nid = pin_nid;
1339         per_pin->non_pcm = false;
1340
1341         err = hdmi_read_pin_conn(codec, pin_idx);
1342         if (err < 0)
1343                 return err;
1344
1345         spec->num_pins++;
1346
1347         return 0;
1348 }
1349
1350 static int hdmi_add_cvt(struct hda_codec *codec, hda_nid_t cvt_nid)
1351 {
1352         struct hdmi_spec *spec = codec->spec;
1353         struct hdmi_spec_per_cvt *per_cvt;
1354         unsigned int chans;
1355         int err;
1356
1357         chans = get_wcaps(codec, cvt_nid);
1358         chans = get_wcaps_channels(chans);
1359
1360         per_cvt = snd_array_new(&spec->cvts);
1361         if (!per_cvt)
1362                 return -ENOMEM;
1363
1364         per_cvt->cvt_nid = cvt_nid;
1365         per_cvt->channels_min = 2;
1366         if (chans <= 16) {
1367                 per_cvt->channels_max = chans;
1368                 if (chans > spec->channels_max)
1369                         spec->channels_max = chans;
1370         }
1371
1372         err = snd_hda_query_supported_pcm(codec, cvt_nid,
1373                                           &per_cvt->rates,
1374                                           &per_cvt->formats,
1375                                           &per_cvt->maxbps);
1376         if (err < 0)
1377                 return err;
1378
1379         if (spec->num_cvts < ARRAY_SIZE(spec->cvt_nids))
1380                 spec->cvt_nids[spec->num_cvts] = cvt_nid;
1381         spec->num_cvts++;
1382
1383         return 0;
1384 }
1385
1386 static int hdmi_parse_codec(struct hda_codec *codec)
1387 {
1388         hda_nid_t nid;
1389         int i, nodes;
1390
1391         nodes = snd_hda_get_sub_nodes(codec, codec->afg, &nid);
1392         if (!nid || nodes < 0) {
1393                 snd_printk(KERN_WARNING "HDMI: failed to get afg sub nodes\n");
1394                 return -EINVAL;
1395         }
1396
1397         for (i = 0; i < nodes; i++, nid++) {
1398                 unsigned int caps;
1399                 unsigned int type;
1400
1401                 caps = get_wcaps(codec, nid);
1402                 type = get_wcaps_type(caps);
1403
1404                 if (!(caps & AC_WCAP_DIGITAL))
1405                         continue;
1406
1407                 switch (type) {
1408                 case AC_WID_AUD_OUT:
1409                         hdmi_add_cvt(codec, nid);
1410                         break;
1411                 case AC_WID_PIN:
1412                         hdmi_add_pin(codec, nid);
1413                         break;
1414                 }
1415         }
1416
1417 #ifdef CONFIG_PM
1418         /* We're seeing some problems with unsolicited hot plug events on
1419          * PantherPoint after S3, if this is not enabled */
1420         if (codec->vendor_id == 0x80862806)
1421                 codec->bus->power_keep_link_on = 1;
1422         /*
1423          * G45/IbexPeak don't support EPSS: the unsolicited pin hot plug event
1424          * can be lost and presence sense verb will become inaccurate if the
1425          * HDA link is powered off at hot plug or hw initialization time.
1426          */
1427         else if (!(snd_hda_param_read(codec, codec->afg, AC_PAR_POWER_STATE) &
1428               AC_PWRST_EPSS))
1429                 codec->bus->power_keep_link_on = 1;
1430 #endif
1431
1432         return 0;
1433 }
1434
1435 /*
1436  */
1437 static bool check_non_pcm_per_cvt(struct hda_codec *codec, hda_nid_t cvt_nid)
1438 {
1439         struct hda_spdif_out *spdif;
1440         bool non_pcm;
1441
1442         mutex_lock(&codec->spdif_mutex);
1443         spdif = snd_hda_spdif_out_of_nid(codec, cvt_nid);
1444         non_pcm = !!(spdif->status & IEC958_AES0_NONAUDIO);
1445         mutex_unlock(&codec->spdif_mutex);
1446         return non_pcm;
1447 }
1448
1449
1450 /*
1451  * HDMI callbacks
1452  */
1453
1454 static int generic_hdmi_playback_pcm_prepare(struct hda_pcm_stream *hinfo,
1455                                            struct hda_codec *codec,
1456                                            unsigned int stream_tag,
1457                                            unsigned int format,
1458                                            struct snd_pcm_substream *substream)
1459 {
1460         hda_nid_t cvt_nid = hinfo->nid;
1461         struct hdmi_spec *spec = codec->spec;
1462         int pin_idx = hinfo_to_pin_index(spec, hinfo);
1463         struct hdmi_spec_per_pin *per_pin = get_pin(spec, pin_idx);
1464         hda_nid_t pin_nid = per_pin->pin_nid;
1465         bool non_pcm;
1466
1467         non_pcm = check_non_pcm_per_cvt(codec, cvt_nid);
1468         per_pin->channels = substream->runtime->channels;
1469         per_pin->setup = true;
1470
1471         hdmi_set_channel_count(codec, cvt_nid, substream->runtime->channels);
1472
1473         hdmi_setup_audio_infoframe(codec, per_pin, non_pcm);
1474
1475         return hdmi_setup_stream(codec, cvt_nid, pin_nid, stream_tag, format);
1476 }
1477
1478 static int generic_hdmi_playback_pcm_cleanup(struct hda_pcm_stream *hinfo,
1479                                              struct hda_codec *codec,
1480                                              struct snd_pcm_substream *substream)
1481 {
1482         snd_hda_codec_cleanup_stream(codec, hinfo->nid);
1483         return 0;
1484 }
1485
1486 static int hdmi_pcm_close(struct hda_pcm_stream *hinfo,
1487                           struct hda_codec *codec,
1488                           struct snd_pcm_substream *substream)
1489 {
1490         struct hdmi_spec *spec = codec->spec;
1491         int cvt_idx, pin_idx;
1492         struct hdmi_spec_per_cvt *per_cvt;
1493         struct hdmi_spec_per_pin *per_pin;
1494
1495         if (hinfo->nid) {
1496                 cvt_idx = cvt_nid_to_cvt_index(spec, hinfo->nid);
1497                 if (snd_BUG_ON(cvt_idx < 0))
1498                         return -EINVAL;
1499                 per_cvt = get_cvt(spec, cvt_idx);
1500
1501                 snd_BUG_ON(!per_cvt->assigned);
1502                 per_cvt->assigned = 0;
1503                 hinfo->nid = 0;
1504
1505                 pin_idx = hinfo_to_pin_index(spec, hinfo);
1506                 if (snd_BUG_ON(pin_idx < 0))
1507                         return -EINVAL;
1508                 per_pin = get_pin(spec, pin_idx);
1509
1510                 snd_hda_spdif_ctls_unassign(codec, pin_idx);
1511                 per_pin->chmap_set = false;
1512                 memset(per_pin->chmap, 0, sizeof(per_pin->chmap));
1513
1514                 per_pin->setup = false;
1515                 per_pin->channels = 0;
1516         }
1517
1518         return 0;
1519 }
1520
1521 static const struct hda_pcm_ops generic_ops = {
1522         .open = hdmi_pcm_open,
1523         .close = hdmi_pcm_close,
1524         .prepare = generic_hdmi_playback_pcm_prepare,
1525         .cleanup = generic_hdmi_playback_pcm_cleanup,
1526 };
1527
1528 /*
1529  * ALSA API channel-map control callbacks
1530  */
1531 static int hdmi_chmap_ctl_info(struct snd_kcontrol *kcontrol,
1532                                struct snd_ctl_elem_info *uinfo)
1533 {
1534         struct snd_pcm_chmap *info = snd_kcontrol_chip(kcontrol);
1535         struct hda_codec *codec = info->private_data;
1536         struct hdmi_spec *spec = codec->spec;
1537         uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
1538         uinfo->count = spec->channels_max;
1539         uinfo->value.integer.min = 0;
1540         uinfo->value.integer.max = SNDRV_CHMAP_LAST;
1541         return 0;
1542 }
1543
1544 static int hdmi_chmap_ctl_tlv(struct snd_kcontrol *kcontrol, int op_flag,
1545                               unsigned int size, unsigned int __user *tlv)
1546 {
1547         struct snd_pcm_chmap *info = snd_kcontrol_chip(kcontrol);
1548         struct hda_codec *codec = info->private_data;
1549         struct hdmi_spec *spec = codec->spec;
1550         const unsigned int valid_mask =
1551                 FL | FR | RL | RR | LFE | FC | RLC | RRC;
1552         unsigned int __user *dst;
1553         int chs, count = 0;
1554
1555         if (size < 8)
1556                 return -ENOMEM;
1557         if (put_user(SNDRV_CTL_TLVT_CONTAINER, tlv))
1558                 return -EFAULT;
1559         size -= 8;
1560         dst = tlv + 2;
1561         for (chs = 2; chs <= spec->channels_max; chs++) {
1562                 int i, c;
1563                 struct cea_channel_speaker_allocation *cap;
1564                 cap = channel_allocations;
1565                 for (i = 0; i < ARRAY_SIZE(channel_allocations); i++, cap++) {
1566                         int chs_bytes = chs * 4;
1567                         if (cap->channels != chs)
1568                                 continue;
1569                         if (cap->spk_mask & ~valid_mask)
1570                                 continue;
1571                         if (size < 8)
1572                                 return -ENOMEM;
1573                         if (put_user(SNDRV_CTL_TLVT_CHMAP_VAR, dst) ||
1574                             put_user(chs_bytes, dst + 1))
1575                                 return -EFAULT;
1576                         dst += 2;
1577                         size -= 8;
1578                         count += 8;
1579                         if (size < chs_bytes)
1580                                 return -ENOMEM;
1581                         size -= chs_bytes;
1582                         count += chs_bytes;
1583                         for (c = 7; c >= 0; c--) {
1584                                 int spk = cap->speakers[c];
1585                                 if (!spk)
1586                                         continue;
1587                                 if (put_user(spk_to_chmap(spk), dst))
1588                                         return -EFAULT;
1589                                 dst++;
1590                         }
1591                 }
1592         }
1593         if (put_user(count, tlv + 1))
1594                 return -EFAULT;
1595         return 0;
1596 }
1597
1598 static int hdmi_chmap_ctl_get(struct snd_kcontrol *kcontrol,
1599                               struct snd_ctl_elem_value *ucontrol)
1600 {
1601         struct snd_pcm_chmap *info = snd_kcontrol_chip(kcontrol);
1602         struct hda_codec *codec = info->private_data;
1603         struct hdmi_spec *spec = codec->spec;
1604         int pin_idx = kcontrol->private_value;
1605         struct hdmi_spec_per_pin *per_pin = get_pin(spec, pin_idx);
1606         int i;
1607
1608         for (i = 0; i < ARRAY_SIZE(per_pin->chmap); i++)
1609                 ucontrol->value.integer.value[i] = per_pin->chmap[i];
1610         return 0;
1611 }
1612
1613 static int hdmi_chmap_ctl_put(struct snd_kcontrol *kcontrol,
1614                               struct snd_ctl_elem_value *ucontrol)
1615 {
1616         struct snd_pcm_chmap *info = snd_kcontrol_chip(kcontrol);
1617         struct hda_codec *codec = info->private_data;
1618         struct hdmi_spec *spec = codec->spec;
1619         int pin_idx = kcontrol->private_value;
1620         struct hdmi_spec_per_pin *per_pin = get_pin(spec, pin_idx);
1621         unsigned int ctl_idx;
1622         struct snd_pcm_substream *substream;
1623         unsigned char chmap[8];
1624         int i, ca, prepared = 0;
1625
1626         ctl_idx = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id);
1627         substream = snd_pcm_chmap_substream(info, ctl_idx);
1628         if (!substream || !substream->runtime)
1629                 return 0; /* just for avoiding error from alsactl restore */
1630         switch (substream->runtime->status->state) {
1631         case SNDRV_PCM_STATE_OPEN:
1632         case SNDRV_PCM_STATE_SETUP:
1633                 break;
1634         case SNDRV_PCM_STATE_PREPARED:
1635                 prepared = 1;
1636                 break;
1637         default:
1638                 return -EBUSY;
1639         }
1640         memset(chmap, 0, sizeof(chmap));
1641         for (i = 0; i < ARRAY_SIZE(chmap); i++)
1642                 chmap[i] = ucontrol->value.integer.value[i];
1643         if (!memcmp(chmap, per_pin->chmap, sizeof(chmap)))
1644                 return 0;
1645         ca = hdmi_manual_channel_allocation(ARRAY_SIZE(chmap), chmap);
1646         if (ca < 0)
1647                 return -EINVAL;
1648         per_pin->chmap_set = true;
1649         memcpy(per_pin->chmap, chmap, sizeof(chmap));
1650         if (prepared)
1651                 hdmi_setup_audio_infoframe(codec, per_pin, per_pin->non_pcm);
1652
1653         return 0;
1654 }
1655
1656 static int generic_hdmi_build_pcms(struct hda_codec *codec)
1657 {
1658         struct hdmi_spec *spec = codec->spec;
1659         int pin_idx;
1660
1661         for (pin_idx = 0; pin_idx < spec->num_pins; pin_idx++) {
1662                 struct hda_pcm *info;
1663                 struct hda_pcm_stream *pstr;
1664                 struct hdmi_spec_per_pin *per_pin;
1665
1666                 per_pin = get_pin(spec, pin_idx);
1667                 sprintf(per_pin->pcm_name, "HDMI %d", pin_idx);
1668                 info = snd_array_new(&spec->pcm_rec);
1669                 if (!info)
1670                         return -ENOMEM;
1671                 info->name = per_pin->pcm_name;
1672                 info->pcm_type = HDA_PCM_TYPE_HDMI;
1673                 info->own_chmap = true;
1674
1675                 pstr = &info->stream[SNDRV_PCM_STREAM_PLAYBACK];
1676                 pstr->substreams = 1;
1677                 pstr->ops = generic_ops;
1678                 /* other pstr fields are set in open */
1679         }
1680
1681         codec->num_pcms = spec->num_pins;
1682         codec->pcm_info = spec->pcm_rec.list;
1683
1684         return 0;
1685 }
1686
1687 static int generic_hdmi_build_jack(struct hda_codec *codec, int pin_idx)
1688 {
1689         char hdmi_str[32] = "HDMI/DP";
1690         struct hdmi_spec *spec = codec->spec;
1691         struct hdmi_spec_per_pin *per_pin = get_pin(spec, pin_idx);
1692         int pcmdev = get_pcm_rec(spec, pin_idx)->device;
1693
1694         if (pcmdev > 0)
1695                 sprintf(hdmi_str + strlen(hdmi_str), ",pcm=%d", pcmdev);
1696         if (!is_jack_detectable(codec, per_pin->pin_nid))
1697                 strncat(hdmi_str, " Phantom",
1698                         sizeof(hdmi_str) - strlen(hdmi_str) - 1);
1699
1700         return snd_hda_jack_add_kctl(codec, per_pin->pin_nid, hdmi_str, 0);
1701 }
1702
1703 static int generic_hdmi_build_controls(struct hda_codec *codec)
1704 {
1705         struct hdmi_spec *spec = codec->spec;
1706         int err;
1707         int pin_idx;
1708
1709         for (pin_idx = 0; pin_idx < spec->num_pins; pin_idx++) {
1710                 struct hdmi_spec_per_pin *per_pin = get_pin(spec, pin_idx);
1711
1712                 err = generic_hdmi_build_jack(codec, pin_idx);
1713                 if (err < 0)
1714                         return err;
1715
1716                 err = snd_hda_create_dig_out_ctls(codec,
1717                                                   per_pin->pin_nid,
1718                                                   per_pin->mux_nids[0],
1719                                                   HDA_PCM_TYPE_HDMI);
1720                 if (err < 0)
1721                         return err;
1722                 snd_hda_spdif_ctls_unassign(codec, pin_idx);
1723
1724                 /* add control for ELD Bytes */
1725                 err = hdmi_create_eld_ctl(codec, pin_idx,
1726                                           get_pcm_rec(spec, pin_idx)->device);
1727
1728                 if (err < 0)
1729                         return err;
1730
1731                 hdmi_present_sense(per_pin, 0);
1732         }
1733
1734         /* add channel maps */
1735         for (pin_idx = 0; pin_idx < spec->num_pins; pin_idx++) {
1736                 struct snd_pcm_chmap *chmap;
1737                 struct snd_kcontrol *kctl;
1738                 int i;
1739
1740                 if (!codec->pcm_info[pin_idx].pcm)
1741                         break;
1742                 err = snd_pcm_add_chmap_ctls(codec->pcm_info[pin_idx].pcm,
1743                                              SNDRV_PCM_STREAM_PLAYBACK,
1744                                              NULL, 0, pin_idx, &chmap);
1745                 if (err < 0)
1746                         return err;
1747                 /* override handlers */
1748                 chmap->private_data = codec;
1749                 kctl = chmap->kctl;
1750                 for (i = 0; i < kctl->count; i++)
1751                         kctl->vd[i].access |= SNDRV_CTL_ELEM_ACCESS_WRITE;
1752                 kctl->info = hdmi_chmap_ctl_info;
1753                 kctl->get = hdmi_chmap_ctl_get;
1754                 kctl->put = hdmi_chmap_ctl_put;
1755                 kctl->tlv.c = hdmi_chmap_ctl_tlv;
1756         }
1757
1758         return 0;
1759 }
1760
1761 static int generic_hdmi_init_per_pins(struct hda_codec *codec)
1762 {
1763         struct hdmi_spec *spec = codec->spec;
1764         int pin_idx;
1765
1766         for (pin_idx = 0; pin_idx < spec->num_pins; pin_idx++) {
1767                 struct hdmi_spec_per_pin *per_pin = get_pin(spec, pin_idx);
1768                 struct hdmi_eld *eld = &per_pin->sink_eld;
1769
1770                 per_pin->codec = codec;
1771                 mutex_init(&eld->lock);
1772                 INIT_DELAYED_WORK(&per_pin->work, hdmi_repoll_eld);
1773                 snd_hda_eld_proc_new(codec, eld, pin_idx);
1774         }
1775         return 0;
1776 }
1777
1778 static int generic_hdmi_init(struct hda_codec *codec)
1779 {
1780         struct hdmi_spec *spec = codec->spec;
1781         int pin_idx;
1782
1783         for (pin_idx = 0; pin_idx < spec->num_pins; pin_idx++) {
1784                 struct hdmi_spec_per_pin *per_pin = get_pin(spec, pin_idx);
1785                 hda_nid_t pin_nid = per_pin->pin_nid;
1786
1787                 hdmi_init_pin(codec, pin_nid);
1788                 snd_hda_jack_detect_enable(codec, pin_nid, pin_nid);
1789         }
1790         return 0;
1791 }
1792
1793 static void hdmi_array_init(struct hdmi_spec *spec, int nums)
1794 {
1795         snd_array_init(&spec->pins, sizeof(struct hdmi_spec_per_pin), nums);
1796         snd_array_init(&spec->cvts, sizeof(struct hdmi_spec_per_cvt), nums);
1797         snd_array_init(&spec->pcm_rec, sizeof(struct hda_pcm), nums);
1798 }
1799
1800 static void hdmi_array_free(struct hdmi_spec *spec)
1801 {
1802         snd_array_free(&spec->pins);
1803         snd_array_free(&spec->cvts);
1804         snd_array_free(&spec->pcm_rec);
1805 }
1806
1807 static void generic_hdmi_free(struct hda_codec *codec)
1808 {
1809         struct hdmi_spec *spec = codec->spec;
1810         int pin_idx;
1811
1812         for (pin_idx = 0; pin_idx < spec->num_pins; pin_idx++) {
1813                 struct hdmi_spec_per_pin *per_pin = get_pin(spec, pin_idx);
1814                 struct hdmi_eld *eld = &per_pin->sink_eld;
1815
1816                 cancel_delayed_work(&per_pin->work);
1817                 snd_hda_eld_proc_free(codec, eld);
1818         }
1819
1820         flush_workqueue(codec->bus->workq);
1821         hdmi_array_free(spec);
1822         kfree(spec);
1823 }
1824
1825 static const struct hda_codec_ops generic_hdmi_patch_ops = {
1826         .init                   = generic_hdmi_init,
1827         .free                   = generic_hdmi_free,
1828         .build_pcms             = generic_hdmi_build_pcms,
1829         .build_controls         = generic_hdmi_build_controls,
1830         .unsol_event            = hdmi_unsol_event,
1831 };
1832
1833
1834 static void intel_haswell_fixup_connect_list(struct hda_codec *codec,
1835                                              hda_nid_t nid)
1836 {
1837         struct hdmi_spec *spec = codec->spec;
1838         hda_nid_t conns[4];
1839         int nconns;
1840
1841         nconns = snd_hda_get_connections(codec, nid, conns, ARRAY_SIZE(conns));
1842         if (nconns == spec->num_cvts &&
1843             !memcmp(conns, spec->cvt_nids, spec->num_cvts * sizeof(hda_nid_t)))
1844                 return;
1845
1846         /* override pins connection list */
1847         snd_printdd("hdmi: haswell: override pin connection 0x%x\n", nid);
1848         nconns = max(spec->num_cvts, 4);
1849         snd_hda_override_conn_list(codec, nid, spec->num_cvts, spec->cvt_nids);
1850 }
1851
1852 #define INTEL_VENDOR_NID 0x08
1853 #define INTEL_GET_VENDOR_VERB 0xf81
1854 #define INTEL_SET_VENDOR_VERB 0x781
1855 #define INTEL_EN_DP12                   0x02 /* enable DP 1.2 features */
1856 #define INTEL_EN_ALL_PIN_CVTS   0x01 /* enable 2nd & 3rd pins and convertors */
1857
1858 static void intel_haswell_enable_all_pins(struct hda_codec *codec,
1859                                           bool update_tree)
1860 {
1861         unsigned int vendor_param;
1862
1863         vendor_param = snd_hda_codec_read(codec, INTEL_VENDOR_NID, 0,
1864                                 INTEL_GET_VENDOR_VERB, 0);
1865         if (vendor_param == -1 || vendor_param & INTEL_EN_ALL_PIN_CVTS)
1866                 return;
1867
1868         vendor_param |= INTEL_EN_ALL_PIN_CVTS;
1869         vendor_param = snd_hda_codec_read(codec, INTEL_VENDOR_NID, 0,
1870                                 INTEL_SET_VENDOR_VERB, vendor_param);
1871         if (vendor_param == -1)
1872                 return;
1873
1874         if (update_tree)
1875                 snd_hda_codec_update_widgets(codec);
1876 }
1877
1878 static void intel_haswell_fixup_enable_dp12(struct hda_codec *codec)
1879 {
1880         unsigned int vendor_param;
1881
1882         vendor_param = snd_hda_codec_read(codec, INTEL_VENDOR_NID, 0,
1883                                 INTEL_GET_VENDOR_VERB, 0);
1884         if (vendor_param == -1 || vendor_param & INTEL_EN_DP12)
1885                 return;
1886
1887         /* enable DP1.2 mode */
1888         vendor_param |= INTEL_EN_DP12;
1889         snd_hda_codec_write_cache(codec, INTEL_VENDOR_NID, 0,
1890                                 INTEL_SET_VENDOR_VERB, vendor_param);
1891 }
1892
1893 /* Haswell needs to re-issue the vendor-specific verbs before turning to D0.
1894  * Otherwise you may get severe h/w communication errors.
1895  */
1896 static void haswell_set_power_state(struct hda_codec *codec, hda_nid_t fg,
1897                                 unsigned int power_state)
1898 {
1899         if (power_state == AC_PWRST_D0) {
1900                 intel_haswell_enable_all_pins(codec, false);
1901                 intel_haswell_fixup_enable_dp12(codec);
1902         }
1903
1904         snd_hda_codec_read(codec, fg, 0, AC_VERB_SET_POWER_STATE, power_state);
1905         snd_hda_codec_set_power_to_all(codec, fg, power_state);
1906 }
1907
1908 static int patch_generic_hdmi(struct hda_codec *codec)
1909 {
1910         struct hdmi_spec *spec;
1911
1912         spec = kzalloc(sizeof(*spec), GFP_KERNEL);
1913         if (spec == NULL)
1914                 return -ENOMEM;
1915
1916         codec->spec = spec;
1917         hdmi_array_init(spec, 4);
1918
1919         if (codec->vendor_id == 0x80862807) {
1920                 intel_haswell_enable_all_pins(codec, true);
1921                 intel_haswell_fixup_enable_dp12(codec);
1922         }
1923
1924         if (hdmi_parse_codec(codec) < 0) {
1925                 codec->spec = NULL;
1926                 kfree(spec);
1927                 return -EINVAL;
1928         }
1929         codec->patch_ops = generic_hdmi_patch_ops;
1930         if (codec->vendor_id == 0x80862807)
1931                 codec->patch_ops.set_power_state = haswell_set_power_state;
1932
1933         generic_hdmi_init_per_pins(codec);
1934
1935         init_channel_allocations();
1936
1937         return 0;
1938 }
1939
1940 /*
1941  * Shared non-generic implementations
1942  */
1943
1944 static int simple_playback_build_pcms(struct hda_codec *codec)
1945 {
1946         struct hdmi_spec *spec = codec->spec;
1947         struct hda_pcm *info;
1948         unsigned int chans;
1949         struct hda_pcm_stream *pstr;
1950         struct hdmi_spec_per_cvt *per_cvt;
1951
1952         per_cvt = get_cvt(spec, 0);
1953         chans = get_wcaps(codec, per_cvt->cvt_nid);
1954         chans = get_wcaps_channels(chans);
1955
1956         info = snd_array_new(&spec->pcm_rec);
1957         if (!info)
1958                 return -ENOMEM;
1959         info->name = get_pin(spec, 0)->pcm_name;
1960         sprintf(info->name, "HDMI 0");
1961         info->pcm_type = HDA_PCM_TYPE_HDMI;
1962         pstr = &info->stream[SNDRV_PCM_STREAM_PLAYBACK];
1963         *pstr = spec->pcm_playback;
1964         pstr->nid = per_cvt->cvt_nid;
1965         if (pstr->channels_max <= 2 && chans && chans <= 16)
1966                 pstr->channels_max = chans;
1967
1968         codec->num_pcms = 1;
1969         codec->pcm_info = info;
1970
1971         return 0;
1972 }
1973
1974 /* unsolicited event for jack sensing */
1975 static void simple_hdmi_unsol_event(struct hda_codec *codec,
1976                                     unsigned int res)
1977 {
1978         snd_hda_jack_set_dirty_all(codec);
1979         snd_hda_jack_report_sync(codec);
1980 }
1981
1982 /* generic_hdmi_build_jack can be used for simple_hdmi, too,
1983  * as long as spec->pins[] is set correctly
1984  */
1985 #define simple_hdmi_build_jack  generic_hdmi_build_jack
1986
1987 static int simple_playback_build_controls(struct hda_codec *codec)
1988 {
1989         struct hdmi_spec *spec = codec->spec;
1990         struct hdmi_spec_per_cvt *per_cvt;
1991         int err;
1992
1993         per_cvt = get_cvt(spec, 0);
1994         err = snd_hda_create_spdif_out_ctls(codec, per_cvt->cvt_nid,
1995                                             per_cvt->cvt_nid);
1996         if (err < 0)
1997                 return err;
1998         return simple_hdmi_build_jack(codec, 0);
1999 }
2000
2001 static int simple_playback_init(struct hda_codec *codec)
2002 {
2003         struct hdmi_spec *spec = codec->spec;
2004         struct hdmi_spec_per_pin *per_pin = get_pin(spec, 0);
2005         hda_nid_t pin = per_pin->pin_nid;
2006
2007         snd_hda_codec_write(codec, pin, 0,
2008                             AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_OUT);
2009         /* some codecs require to unmute the pin */
2010         if (get_wcaps(codec, pin) & AC_WCAP_OUT_AMP)
2011                 snd_hda_codec_write(codec, pin, 0, AC_VERB_SET_AMP_GAIN_MUTE,
2012                                     AMP_OUT_UNMUTE);
2013         snd_hda_jack_detect_enable(codec, pin, pin);
2014         return 0;
2015 }
2016
2017 static void simple_playback_free(struct hda_codec *codec)
2018 {
2019         struct hdmi_spec *spec = codec->spec;
2020
2021         hdmi_array_free(spec);
2022         kfree(spec);
2023 }
2024
2025 /*
2026  * Nvidia specific implementations
2027  */
2028
2029 #define Nv_VERB_SET_Channel_Allocation          0xF79
2030 #define Nv_VERB_SET_Info_Frame_Checksum         0xF7A
2031 #define Nv_VERB_SET_Audio_Protection_On         0xF98
2032 #define Nv_VERB_SET_Audio_Protection_Off        0xF99
2033
2034 #define nvhdmi_master_con_nid_7x        0x04
2035 #define nvhdmi_master_pin_nid_7x        0x05
2036
2037 static const hda_nid_t nvhdmi_con_nids_7x[4] = {
2038         /*front, rear, clfe, rear_surr */
2039         0x6, 0x8, 0xa, 0xc,
2040 };
2041
2042 static const struct hda_verb nvhdmi_basic_init_7x_2ch[] = {
2043         /* set audio protect on */
2044         { 0x1, Nv_VERB_SET_Audio_Protection_On, 0x1},
2045         /* enable digital output on pin widget */
2046         { 0x5, AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_OUT | 0x5 },
2047         {} /* terminator */
2048 };
2049
2050 static const struct hda_verb nvhdmi_basic_init_7x_8ch[] = {
2051         /* set audio protect on */
2052         { 0x1, Nv_VERB_SET_Audio_Protection_On, 0x1},
2053         /* enable digital output on pin widget */
2054         { 0x5, AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_OUT | 0x5 },
2055         { 0x7, AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_OUT | 0x5 },
2056         { 0x9, AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_OUT | 0x5 },
2057         { 0xb, AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_OUT | 0x5 },
2058         { 0xd, AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_OUT | 0x5 },
2059         {} /* terminator */
2060 };
2061
2062 #ifdef LIMITED_RATE_FMT_SUPPORT
2063 /* support only the safe format and rate */
2064 #define SUPPORTED_RATES         SNDRV_PCM_RATE_48000
2065 #define SUPPORTED_MAXBPS        16
2066 #define SUPPORTED_FORMATS       SNDRV_PCM_FMTBIT_S16_LE
2067 #else
2068 /* support all rates and formats */
2069 #define SUPPORTED_RATES \
2070         (SNDRV_PCM_RATE_32000 | SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_48000 |\
2071         SNDRV_PCM_RATE_88200 | SNDRV_PCM_RATE_96000 | SNDRV_PCM_RATE_176400 |\
2072          SNDRV_PCM_RATE_192000)
2073 #define SUPPORTED_MAXBPS        24
2074 #define SUPPORTED_FORMATS \
2075         (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S32_LE)
2076 #endif
2077
2078 static int nvhdmi_7x_init_2ch(struct hda_codec *codec)
2079 {
2080         snd_hda_sequence_write(codec, nvhdmi_basic_init_7x_2ch);
2081         return 0;
2082 }
2083
2084 static int nvhdmi_7x_init_8ch(struct hda_codec *codec)
2085 {
2086         snd_hda_sequence_write(codec, nvhdmi_basic_init_7x_8ch);
2087         return 0;
2088 }
2089
2090 static unsigned int channels_2_6_8[] = {
2091         2, 6, 8
2092 };
2093
2094 static unsigned int channels_2_8[] = {
2095         2, 8
2096 };
2097
2098 static struct snd_pcm_hw_constraint_list hw_constraints_2_6_8_channels = {
2099         .count = ARRAY_SIZE(channels_2_6_8),
2100         .list = channels_2_6_8,
2101         .mask = 0,
2102 };
2103
2104 static struct snd_pcm_hw_constraint_list hw_constraints_2_8_channels = {
2105         .count = ARRAY_SIZE(channels_2_8),
2106         .list = channels_2_8,
2107         .mask = 0,
2108 };
2109
2110 static int simple_playback_pcm_open(struct hda_pcm_stream *hinfo,
2111                                     struct hda_codec *codec,
2112                                     struct snd_pcm_substream *substream)
2113 {
2114         struct hdmi_spec *spec = codec->spec;
2115         struct snd_pcm_hw_constraint_list *hw_constraints_channels = NULL;
2116
2117         switch (codec->preset->id) {
2118         case 0x10de0002:
2119         case 0x10de0003:
2120         case 0x10de0005:
2121         case 0x10de0006:
2122                 hw_constraints_channels = &hw_constraints_2_8_channels;
2123                 break;
2124         case 0x10de0007:
2125                 hw_constraints_channels = &hw_constraints_2_6_8_channels;
2126                 break;
2127         default:
2128                 break;
2129         }
2130
2131         if (hw_constraints_channels != NULL) {
2132                 snd_pcm_hw_constraint_list(substream->runtime, 0,
2133                                 SNDRV_PCM_HW_PARAM_CHANNELS,
2134                                 hw_constraints_channels);
2135         } else {
2136                 snd_pcm_hw_constraint_step(substream->runtime, 0,
2137                                            SNDRV_PCM_HW_PARAM_CHANNELS, 2);
2138         }
2139
2140         return snd_hda_multi_out_dig_open(codec, &spec->multiout);
2141 }
2142
2143 static int simple_playback_pcm_close(struct hda_pcm_stream *hinfo,
2144                                      struct hda_codec *codec,
2145                                      struct snd_pcm_substream *substream)
2146 {
2147         struct hdmi_spec *spec = codec->spec;
2148         return snd_hda_multi_out_dig_close(codec, &spec->multiout);
2149 }
2150
2151 static int simple_playback_pcm_prepare(struct hda_pcm_stream *hinfo,
2152                                        struct hda_codec *codec,
2153                                        unsigned int stream_tag,
2154                                        unsigned int format,
2155                                        struct snd_pcm_substream *substream)
2156 {
2157         struct hdmi_spec *spec = codec->spec;
2158         return snd_hda_multi_out_dig_prepare(codec, &spec->multiout,
2159                                              stream_tag, format, substream);
2160 }
2161
2162 static const struct hda_pcm_stream simple_pcm_playback = {
2163         .substreams = 1,
2164         .channels_min = 2,
2165         .channels_max = 2,
2166         .ops = {
2167                 .open = simple_playback_pcm_open,
2168                 .close = simple_playback_pcm_close,
2169                 .prepare = simple_playback_pcm_prepare
2170         },
2171 };
2172
2173 static const struct hda_codec_ops simple_hdmi_patch_ops = {
2174         .build_controls = simple_playback_build_controls,
2175         .build_pcms = simple_playback_build_pcms,
2176         .init = simple_playback_init,
2177         .free = simple_playback_free,
2178         .unsol_event = simple_hdmi_unsol_event,
2179 };
2180
2181 static int patch_simple_hdmi(struct hda_codec *codec,
2182                              hda_nid_t cvt_nid, hda_nid_t pin_nid)
2183 {
2184         struct hdmi_spec *spec;
2185         struct hdmi_spec_per_cvt *per_cvt;
2186         struct hdmi_spec_per_pin *per_pin;
2187
2188         spec = kzalloc(sizeof(*spec), GFP_KERNEL);
2189         if (!spec)
2190                 return -ENOMEM;
2191
2192         codec->spec = spec;
2193         hdmi_array_init(spec, 1);
2194
2195         spec->multiout.num_dacs = 0;  /* no analog */
2196         spec->multiout.max_channels = 2;
2197         spec->multiout.dig_out_nid = cvt_nid;
2198         spec->num_cvts = 1;
2199         spec->num_pins = 1;
2200         per_pin = snd_array_new(&spec->pins);
2201         per_cvt = snd_array_new(&spec->cvts);
2202         if (!per_pin || !per_cvt) {
2203                 simple_playback_free(codec);
2204                 return -ENOMEM;
2205         }
2206         per_cvt->cvt_nid = cvt_nid;
2207         per_pin->pin_nid = pin_nid;
2208         spec->pcm_playback = simple_pcm_playback;
2209
2210         codec->patch_ops = simple_hdmi_patch_ops;
2211
2212         return 0;
2213 }
2214
2215 static void nvhdmi_8ch_7x_set_info_frame_parameters(struct hda_codec *codec,
2216                                                     int channels)
2217 {
2218         unsigned int chanmask;
2219         int chan = channels ? (channels - 1) : 1;
2220
2221         switch (channels) {
2222         default:
2223         case 0:
2224         case 2:
2225                 chanmask = 0x00;
2226                 break;
2227         case 4:
2228                 chanmask = 0x08;
2229                 break;
2230         case 6:
2231                 chanmask = 0x0b;
2232                 break;
2233         case 8:
2234                 chanmask = 0x13;
2235                 break;
2236         }
2237
2238         /* Set the audio infoframe channel allocation and checksum fields.  The
2239          * channel count is computed implicitly by the hardware. */
2240         snd_hda_codec_write(codec, 0x1, 0,
2241                         Nv_VERB_SET_Channel_Allocation, chanmask);
2242
2243         snd_hda_codec_write(codec, 0x1, 0,
2244                         Nv_VERB_SET_Info_Frame_Checksum,
2245                         (0x71 - chan - chanmask));
2246 }
2247
2248 static int nvhdmi_8ch_7x_pcm_close(struct hda_pcm_stream *hinfo,
2249                                    struct hda_codec *codec,
2250                                    struct snd_pcm_substream *substream)
2251 {
2252         struct hdmi_spec *spec = codec->spec;
2253         int i;
2254
2255         snd_hda_codec_write(codec, nvhdmi_master_con_nid_7x,
2256                         0, AC_VERB_SET_CHANNEL_STREAMID, 0);
2257         for (i = 0; i < 4; i++) {
2258                 /* set the stream id */
2259                 snd_hda_codec_write(codec, nvhdmi_con_nids_7x[i], 0,
2260                                 AC_VERB_SET_CHANNEL_STREAMID, 0);
2261                 /* set the stream format */
2262                 snd_hda_codec_write(codec, nvhdmi_con_nids_7x[i], 0,
2263                                 AC_VERB_SET_STREAM_FORMAT, 0);
2264         }
2265
2266         /* The audio hardware sends a channel count of 0x7 (8ch) when all the
2267          * streams are disabled. */
2268         nvhdmi_8ch_7x_set_info_frame_parameters(codec, 8);
2269
2270         return snd_hda_multi_out_dig_close(codec, &spec->multiout);
2271 }
2272
2273 static int nvhdmi_8ch_7x_pcm_prepare(struct hda_pcm_stream *hinfo,
2274                                      struct hda_codec *codec,
2275                                      unsigned int stream_tag,
2276                                      unsigned int format,
2277                                      struct snd_pcm_substream *substream)
2278 {
2279         int chs;
2280         unsigned int dataDCC2, channel_id;
2281         int i;
2282         struct hdmi_spec *spec = codec->spec;
2283         struct hda_spdif_out *spdif;
2284         struct hdmi_spec_per_cvt *per_cvt;
2285
2286         mutex_lock(&codec->spdif_mutex);
2287         per_cvt = get_cvt(spec, 0);
2288         spdif = snd_hda_spdif_out_of_nid(codec, per_cvt->cvt_nid);
2289
2290         chs = substream->runtime->channels;
2291
2292         dataDCC2 = 0x2;
2293
2294         /* turn off SPDIF once; otherwise the IEC958 bits won't be updated */
2295         if (codec->spdif_status_reset && (spdif->ctls & AC_DIG1_ENABLE))
2296                 snd_hda_codec_write(codec,
2297                                 nvhdmi_master_con_nid_7x,
2298                                 0,
2299                                 AC_VERB_SET_DIGI_CONVERT_1,
2300                                 spdif->ctls & ~AC_DIG1_ENABLE & 0xff);
2301
2302         /* set the stream id */
2303         snd_hda_codec_write(codec, nvhdmi_master_con_nid_7x, 0,
2304                         AC_VERB_SET_CHANNEL_STREAMID, (stream_tag << 4) | 0x0);
2305
2306         /* set the stream format */
2307         snd_hda_codec_write(codec, nvhdmi_master_con_nid_7x, 0,
2308                         AC_VERB_SET_STREAM_FORMAT, format);
2309
2310         /* turn on again (if needed) */
2311         /* enable and set the channel status audio/data flag */
2312         if (codec->spdif_status_reset && (spdif->ctls & AC_DIG1_ENABLE)) {
2313                 snd_hda_codec_write(codec,
2314                                 nvhdmi_master_con_nid_7x,
2315                                 0,
2316                                 AC_VERB_SET_DIGI_CONVERT_1,
2317                                 spdif->ctls & 0xff);
2318                 snd_hda_codec_write(codec,
2319                                 nvhdmi_master_con_nid_7x,
2320                                 0,
2321                                 AC_VERB_SET_DIGI_CONVERT_2, dataDCC2);
2322         }
2323
2324         for (i = 0; i < 4; i++) {
2325                 if (chs == 2)
2326                         channel_id = 0;
2327                 else
2328                         channel_id = i * 2;
2329
2330                 /* turn off SPDIF once;
2331                  *otherwise the IEC958 bits won't be updated
2332                  */
2333                 if (codec->spdif_status_reset &&
2334                 (spdif->ctls & AC_DIG1_ENABLE))
2335                         snd_hda_codec_write(codec,
2336                                 nvhdmi_con_nids_7x[i],
2337                                 0,
2338                                 AC_VERB_SET_DIGI_CONVERT_1,
2339                                 spdif->ctls & ~AC_DIG1_ENABLE & 0xff);
2340                 /* set the stream id */
2341                 snd_hda_codec_write(codec,
2342                                 nvhdmi_con_nids_7x[i],
2343                                 0,
2344                                 AC_VERB_SET_CHANNEL_STREAMID,
2345                                 (stream_tag << 4) | channel_id);
2346                 /* set the stream format */
2347                 snd_hda_codec_write(codec,
2348                                 nvhdmi_con_nids_7x[i],
2349                                 0,
2350                                 AC_VERB_SET_STREAM_FORMAT,
2351                                 format);
2352                 /* turn on again (if needed) */
2353                 /* enable and set the channel status audio/data flag */
2354                 if (codec->spdif_status_reset &&
2355                 (spdif->ctls & AC_DIG1_ENABLE)) {
2356                         snd_hda_codec_write(codec,
2357                                         nvhdmi_con_nids_7x[i],
2358                                         0,
2359                                         AC_VERB_SET_DIGI_CONVERT_1,
2360                                         spdif->ctls & 0xff);
2361                         snd_hda_codec_write(codec,
2362                                         nvhdmi_con_nids_7x[i],
2363                                         0,
2364                                         AC_VERB_SET_DIGI_CONVERT_2, dataDCC2);
2365                 }
2366         }
2367
2368         nvhdmi_8ch_7x_set_info_frame_parameters(codec, chs);
2369
2370         mutex_unlock(&codec->spdif_mutex);
2371         return 0;
2372 }
2373
2374 static const struct hda_pcm_stream nvhdmi_pcm_playback_8ch_7x = {
2375         .substreams = 1,
2376         .channels_min = 2,
2377         .channels_max = 8,
2378         .nid = nvhdmi_master_con_nid_7x,
2379         .rates = SUPPORTED_RATES,
2380         .maxbps = SUPPORTED_MAXBPS,
2381         .formats = SUPPORTED_FORMATS,
2382         .ops = {
2383                 .open = simple_playback_pcm_open,
2384                 .close = nvhdmi_8ch_7x_pcm_close,
2385                 .prepare = nvhdmi_8ch_7x_pcm_prepare
2386         },
2387 };
2388
2389 static int patch_nvhdmi_2ch(struct hda_codec *codec)
2390 {
2391         struct hdmi_spec *spec;
2392         int err = patch_simple_hdmi(codec, nvhdmi_master_con_nid_7x,
2393                                     nvhdmi_master_pin_nid_7x);
2394         if (err < 0)
2395                 return err;
2396
2397         codec->patch_ops.init = nvhdmi_7x_init_2ch;
2398         /* override the PCM rates, etc, as the codec doesn't give full list */
2399         spec = codec->spec;
2400         spec->pcm_playback.rates = SUPPORTED_RATES;
2401         spec->pcm_playback.maxbps = SUPPORTED_MAXBPS;
2402         spec->pcm_playback.formats = SUPPORTED_FORMATS;
2403         return 0;
2404 }
2405
2406 static int nvhdmi_7x_8ch_build_pcms(struct hda_codec *codec)
2407 {
2408         struct hdmi_spec *spec = codec->spec;
2409         int err = simple_playback_build_pcms(codec);
2410         if (!err) {
2411                 struct hda_pcm *info = get_pcm_rec(spec, 0);
2412                 info->own_chmap = true;
2413         }
2414         return err;
2415 }
2416
2417 static int nvhdmi_7x_8ch_build_controls(struct hda_codec *codec)
2418 {
2419         struct hdmi_spec *spec = codec->spec;
2420         struct hda_pcm *info;
2421         struct snd_pcm_chmap *chmap;
2422         int err;
2423
2424         err = simple_playback_build_controls(codec);
2425         if (err < 0)
2426                 return err;
2427
2428         /* add channel maps */
2429         info = get_pcm_rec(spec, 0);
2430         err = snd_pcm_add_chmap_ctls(info->pcm,
2431                                      SNDRV_PCM_STREAM_PLAYBACK,
2432                                      snd_pcm_alt_chmaps, 8, 0, &chmap);
2433         if (err < 0)
2434                 return err;
2435         switch (codec->preset->id) {
2436         case 0x10de0002:
2437         case 0x10de0003:
2438         case 0x10de0005:
2439         case 0x10de0006:
2440                 chmap->channel_mask = (1U << 2) | (1U << 8);
2441                 break;
2442         case 0x10de0007:
2443                 chmap->channel_mask = (1U << 2) | (1U << 6) | (1U << 8);
2444         }
2445         return 0;
2446 }
2447
2448 static int patch_nvhdmi_8ch_7x(struct hda_codec *codec)
2449 {
2450         struct hdmi_spec *spec;
2451         int err = patch_nvhdmi_2ch(codec);
2452         if (err < 0)
2453                 return err;
2454         spec = codec->spec;
2455         spec->multiout.max_channels = 8;
2456         spec->pcm_playback = nvhdmi_pcm_playback_8ch_7x;
2457         codec->patch_ops.init = nvhdmi_7x_init_8ch;
2458         codec->patch_ops.build_pcms = nvhdmi_7x_8ch_build_pcms;
2459         codec->patch_ops.build_controls = nvhdmi_7x_8ch_build_controls;
2460
2461         /* Initialize the audio infoframe channel mask and checksum to something
2462          * valid */
2463         nvhdmi_8ch_7x_set_info_frame_parameters(codec, 8);
2464
2465         return 0;
2466 }
2467
2468 /*
2469  * ATI-specific implementations
2470  *
2471  * FIXME: we may omit the whole this and use the generic code once after
2472  * it's confirmed to work.
2473  */
2474
2475 #define ATIHDMI_CVT_NID         0x02    /* audio converter */
2476 #define ATIHDMI_PIN_NID         0x03    /* HDMI output pin */
2477
2478 static int atihdmi_playback_pcm_prepare(struct hda_pcm_stream *hinfo,
2479                                         struct hda_codec *codec,
2480                                         unsigned int stream_tag,
2481                                         unsigned int format,
2482                                         struct snd_pcm_substream *substream)
2483 {
2484         struct hdmi_spec *spec = codec->spec;
2485         struct hdmi_spec_per_cvt *per_cvt = get_cvt(spec, 0);
2486         int chans = substream->runtime->channels;
2487         int i, err;
2488
2489         err = simple_playback_pcm_prepare(hinfo, codec, stream_tag, format,
2490                                           substream);
2491         if (err < 0)
2492                 return err;
2493         snd_hda_codec_write(codec, per_cvt->cvt_nid, 0,
2494                             AC_VERB_SET_CVT_CHAN_COUNT, chans - 1);
2495         /* FIXME: XXX */
2496         for (i = 0; i < chans; i++) {
2497                 snd_hda_codec_write(codec, per_cvt->cvt_nid, 0,
2498                                     AC_VERB_SET_HDMI_CHAN_SLOT,
2499                                     (i << 4) | i);
2500         }
2501         return 0;
2502 }
2503
2504 static int patch_atihdmi(struct hda_codec *codec)
2505 {
2506         struct hdmi_spec *spec;
2507         int err = patch_simple_hdmi(codec, ATIHDMI_CVT_NID, ATIHDMI_PIN_NID);
2508         if (err < 0)
2509                 return err;
2510         spec = codec->spec;
2511         spec->pcm_playback.ops.prepare = atihdmi_playback_pcm_prepare;
2512         return 0;
2513 }
2514
2515 /* VIA HDMI Implementation */
2516 #define VIAHDMI_CVT_NID 0x02    /* audio converter1 */
2517 #define VIAHDMI_PIN_NID 0x03    /* HDMI output pin1 */
2518
2519 static int patch_via_hdmi(struct hda_codec *codec)
2520 {
2521         return patch_simple_hdmi(codec, VIAHDMI_CVT_NID, VIAHDMI_PIN_NID);
2522 }
2523
2524 /*
2525  * patch entries
2526  */
2527 static const struct hda_codec_preset snd_hda_preset_hdmi[] = {
2528 { .id = 0x1002793c, .name = "RS600 HDMI",       .patch = patch_atihdmi },
2529 { .id = 0x10027919, .name = "RS600 HDMI",       .patch = patch_atihdmi },
2530 { .id = 0x1002791a, .name = "RS690/780 HDMI",   .patch = patch_atihdmi },
2531 { .id = 0x1002aa01, .name = "R6xx HDMI",        .patch = patch_generic_hdmi },
2532 { .id = 0x10951390, .name = "SiI1390 HDMI",     .patch = patch_generic_hdmi },
2533 { .id = 0x10951392, .name = "SiI1392 HDMI",     .patch = patch_generic_hdmi },
2534 { .id = 0x17e80047, .name = "Chrontel HDMI",    .patch = patch_generic_hdmi },
2535 { .id = 0x10de0002, .name = "MCP77/78 HDMI",    .patch = patch_nvhdmi_8ch_7x },
2536 { .id = 0x10de0003, .name = "MCP77/78 HDMI",    .patch = patch_nvhdmi_8ch_7x },
2537 { .id = 0x10de0005, .name = "MCP77/78 HDMI",    .patch = patch_nvhdmi_8ch_7x },
2538 { .id = 0x10de0006, .name = "MCP77/78 HDMI",    .patch = patch_nvhdmi_8ch_7x },
2539 { .id = 0x10de0007, .name = "MCP79/7A HDMI",    .patch = patch_nvhdmi_8ch_7x },
2540 { .id = 0x10de000a, .name = "GPU 0a HDMI/DP",   .patch = patch_generic_hdmi },
2541 { .id = 0x10de000b, .name = "GPU 0b HDMI/DP",   .patch = patch_generic_hdmi },
2542 { .id = 0x10de000c, .name = "MCP89 HDMI",       .patch = patch_generic_hdmi },
2543 { .id = 0x10de000d, .name = "GPU 0d HDMI/DP",   .patch = patch_generic_hdmi },
2544 { .id = 0x10de0010, .name = "GPU 10 HDMI/DP",   .patch = patch_generic_hdmi },
2545 { .id = 0x10de0011, .name = "GPU 11 HDMI/DP",   .patch = patch_generic_hdmi },
2546 { .id = 0x10de0012, .name = "GPU 12 HDMI/DP",   .patch = patch_generic_hdmi },
2547 { .id = 0x10de0013, .name = "GPU 13 HDMI/DP",   .patch = patch_generic_hdmi },
2548 { .id = 0x10de0014, .name = "GPU 14 HDMI/DP",   .patch = patch_generic_hdmi },
2549 { .id = 0x10de0015, .name = "GPU 15 HDMI/DP",   .patch = patch_generic_hdmi },
2550 { .id = 0x10de0016, .name = "GPU 16 HDMI/DP",   .patch = patch_generic_hdmi },
2551 /* 17 is known to be absent */
2552 { .id = 0x10de0018, .name = "GPU 18 HDMI/DP",   .patch = patch_generic_hdmi },
2553 { .id = 0x10de0019, .name = "GPU 19 HDMI/DP",   .patch = patch_generic_hdmi },
2554 { .id = 0x10de001a, .name = "GPU 1a HDMI/DP",   .patch = patch_generic_hdmi },
2555 { .id = 0x10de001b, .name = "GPU 1b HDMI/DP",   .patch = patch_generic_hdmi },
2556 { .id = 0x10de001c, .name = "GPU 1c HDMI/DP",   .patch = patch_generic_hdmi },
2557 { .id = 0x10de0040, .name = "GPU 40 HDMI/DP",   .patch = patch_generic_hdmi },
2558 { .id = 0x10de0041, .name = "GPU 41 HDMI/DP",   .patch = patch_generic_hdmi },
2559 { .id = 0x10de0042, .name = "GPU 42 HDMI/DP",   .patch = patch_generic_hdmi },
2560 { .id = 0x10de0043, .name = "GPU 43 HDMI/DP",   .patch = patch_generic_hdmi },
2561 { .id = 0x10de0044, .name = "GPU 44 HDMI/DP",   .patch = patch_generic_hdmi },
2562 { .id = 0x10de0051, .name = "GPU 51 HDMI/DP",   .patch = patch_generic_hdmi },
2563 { .id = 0x10de0060, .name = "GPU 60 HDMI/DP",   .patch = patch_generic_hdmi },
2564 { .id = 0x10de0067, .name = "MCP67 HDMI",       .patch = patch_nvhdmi_2ch },
2565 { .id = 0x10de8001, .name = "MCP73 HDMI",       .patch = patch_nvhdmi_2ch },
2566 { .id = 0x11069f80, .name = "VX900 HDMI/DP",    .patch = patch_via_hdmi },
2567 { .id = 0x11069f81, .name = "VX900 HDMI/DP",    .patch = patch_via_hdmi },
2568 { .id = 0x11069f84, .name = "VX11 HDMI/DP",     .patch = patch_generic_hdmi },
2569 { .id = 0x11069f85, .name = "VX11 HDMI/DP",     .patch = patch_generic_hdmi },
2570 { .id = 0x80860054, .name = "IbexPeak HDMI",    .patch = patch_generic_hdmi },
2571 { .id = 0x80862801, .name = "Bearlake HDMI",    .patch = patch_generic_hdmi },
2572 { .id = 0x80862802, .name = "Cantiga HDMI",     .patch = patch_generic_hdmi },
2573 { .id = 0x80862803, .name = "Eaglelake HDMI",   .patch = patch_generic_hdmi },
2574 { .id = 0x80862804, .name = "IbexPeak HDMI",    .patch = patch_generic_hdmi },
2575 { .id = 0x80862805, .name = "CougarPoint HDMI", .patch = patch_generic_hdmi },
2576 { .id = 0x80862806, .name = "PantherPoint HDMI", .patch = patch_generic_hdmi },
2577 { .id = 0x80862807, .name = "Haswell HDMI",     .patch = patch_generic_hdmi },
2578 { .id = 0x80862880, .name = "CedarTrail HDMI",  .patch = patch_generic_hdmi },
2579 { .id = 0x808629fb, .name = "Crestline HDMI",   .patch = patch_generic_hdmi },
2580 {} /* terminator */
2581 };
2582
2583 MODULE_ALIAS("snd-hda-codec-id:1002793c");
2584 MODULE_ALIAS("snd-hda-codec-id:10027919");
2585 MODULE_ALIAS("snd-hda-codec-id:1002791a");
2586 MODULE_ALIAS("snd-hda-codec-id:1002aa01");
2587 MODULE_ALIAS("snd-hda-codec-id:10951390");
2588 MODULE_ALIAS("snd-hda-codec-id:10951392");
2589 MODULE_ALIAS("snd-hda-codec-id:10de0002");
2590 MODULE_ALIAS("snd-hda-codec-id:10de0003");
2591 MODULE_ALIAS("snd-hda-codec-id:10de0005");
2592 MODULE_ALIAS("snd-hda-codec-id:10de0006");
2593 MODULE_ALIAS("snd-hda-codec-id:10de0007");
2594 MODULE_ALIAS("snd-hda-codec-id:10de000a");
2595 MODULE_ALIAS("snd-hda-codec-id:10de000b");
2596 MODULE_ALIAS("snd-hda-codec-id:10de000c");
2597 MODULE_ALIAS("snd-hda-codec-id:10de000d");
2598 MODULE_ALIAS("snd-hda-codec-id:10de0010");
2599 MODULE_ALIAS("snd-hda-codec-id:10de0011");
2600 MODULE_ALIAS("snd-hda-codec-id:10de0012");
2601 MODULE_ALIAS("snd-hda-codec-id:10de0013");
2602 MODULE_ALIAS("snd-hda-codec-id:10de0014");
2603 MODULE_ALIAS("snd-hda-codec-id:10de0015");
2604 MODULE_ALIAS("snd-hda-codec-id:10de0016");
2605 MODULE_ALIAS("snd-hda-codec-id:10de0018");
2606 MODULE_ALIAS("snd-hda-codec-id:10de0019");
2607 MODULE_ALIAS("snd-hda-codec-id:10de001a");
2608 MODULE_ALIAS("snd-hda-codec-id:10de001b");
2609 MODULE_ALIAS("snd-hda-codec-id:10de001c");
2610 MODULE_ALIAS("snd-hda-codec-id:10de0040");
2611 MODULE_ALIAS("snd-hda-codec-id:10de0041");
2612 MODULE_ALIAS("snd-hda-codec-id:10de0042");
2613 MODULE_ALIAS("snd-hda-codec-id:10de0043");
2614 MODULE_ALIAS("snd-hda-codec-id:10de0044");
2615 MODULE_ALIAS("snd-hda-codec-id:10de0051");
2616 MODULE_ALIAS("snd-hda-codec-id:10de0060");
2617 MODULE_ALIAS("snd-hda-codec-id:10de0067");
2618 MODULE_ALIAS("snd-hda-codec-id:10de8001");
2619 MODULE_ALIAS("snd-hda-codec-id:11069f80");
2620 MODULE_ALIAS("snd-hda-codec-id:11069f81");
2621 MODULE_ALIAS("snd-hda-codec-id:11069f84");
2622 MODULE_ALIAS("snd-hda-codec-id:11069f85");
2623 MODULE_ALIAS("snd-hda-codec-id:17e80047");
2624 MODULE_ALIAS("snd-hda-codec-id:80860054");
2625 MODULE_ALIAS("snd-hda-codec-id:80862801");
2626 MODULE_ALIAS("snd-hda-codec-id:80862802");
2627 MODULE_ALIAS("snd-hda-codec-id:80862803");
2628 MODULE_ALIAS("snd-hda-codec-id:80862804");
2629 MODULE_ALIAS("snd-hda-codec-id:80862805");
2630 MODULE_ALIAS("snd-hda-codec-id:80862806");
2631 MODULE_ALIAS("snd-hda-codec-id:80862807");
2632 MODULE_ALIAS("snd-hda-codec-id:80862880");
2633 MODULE_ALIAS("snd-hda-codec-id:808629fb");
2634
2635 MODULE_LICENSE("GPL");
2636 MODULE_DESCRIPTION("HDMI HD-audio codec");
2637 MODULE_ALIAS("snd-hda-codec-intelhdmi");
2638 MODULE_ALIAS("snd-hda-codec-nvhdmi");
2639 MODULE_ALIAS("snd-hda-codec-atihdmi");
2640
2641 static struct hda_codec_preset_list intel_list = {
2642         .preset = snd_hda_preset_hdmi,
2643         .owner = THIS_MODULE,
2644 };
2645
2646 static int __init patch_hdmi_init(void)
2647 {
2648         return snd_hda_add_codec_preset(&intel_list);
2649 }
2650
2651 static void __exit patch_hdmi_exit(void)
2652 {
2653         snd_hda_delete_codec_preset(&intel_list);
2654 }
2655
2656 module_init(patch_hdmi_init)
2657 module_exit(patch_hdmi_exit)