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  *  Copyright (c) 2013 Anssi Hannula <anssi.hannula@iki.fi>
  10  *
  11  *  Authors:
  12  *                      Wu Fengguang <wfg@linux.intel.com>
  13  *
  14  *  Maintained by:
  15  *                      Wu Fengguang <wfg@linux.intel.com>
  16  *
  17  *  This program is free software; you can redistribute it and/or modify it
  18  *  under the terms of the GNU General Public License as published by the Free
  19  *  Software Foundation; either version 2 of the License, or (at your option)
  20  *  any later version.
  21  *
  22  *  This program is distributed in the hope that it will be useful, but
  23  *  WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
  24  *  or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  25  *  for more details.
  26  *
  27  *  You should have received a copy of the GNU General Public License
  28  *  along with this program; if not, write to the Free Software Foundation,
  29  *  Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
  30  */
  31
  32 #include <linux/init.h>
  33 #include <linux/delay.h>
  34 #include <linux/slab.h>
  35 #include <linux/module.h>
  36 #include <sound/core.h>
  37 #include <sound/jack.h>
  38 #include <sound/asoundef.h>
  39 #include <sound/tlv.h>
  40 #include "hda_codec.h"
  41 #include "hda_local.h"
  42 #include "hda_jack.h"
  43
  44 static bool static_hdmi_pcm;
  45 module_param(static_hdmi_pcm, bool, 0644);
  46 MODULE_PARM_DESC(static_hdmi_pcm, "Don't restrict PCM parameters per ELD info");
  47
  48 #define is_haswell(codec)  ((codec)->core.vendor_id == 0x80862807)
  49 #define is_broadwell(codec)    ((codec)->core.vendor_id == 0x80862808)
  50 #define is_skylake(codec) ((codec)->core.vendor_id == 0x80862809)
  51 #define is_haswell_plus(codec) (is_haswell(codec) || is_broadwell(codec) \
  52                                         || is_skylake(codec))
  53
  54 #define is_valleyview(codec) ((codec)->core.vendor_id == 0x80862882)
  55 #define is_cherryview(codec) ((codec)->core.vendor_id == 0x80862883)
  56 #define is_valleyview_plus(codec) (is_valleyview(codec) || is_cherryview(codec))
  57
  58 struct hdmi_spec_per_cvt {
  59         hda_nid_t cvt_nid;
  60         int assigned;
  61         unsigned int channels_min;
  62         unsigned int channels_max;
  63         u32 rates;
  64         u64 formats;
  65         unsigned int maxbps;
  66 };
  67
  68 /* max. connections to a widget */
  69 #define HDA_MAX_CONNECTIONS     32
  70
  71 struct hdmi_spec_per_pin {
  72         hda_nid_t pin_nid;
  73         int num_mux_nids;
  74         hda_nid_t mux_nids[HDA_MAX_CONNECTIONS];
  75         int mux_idx;
  76         hda_nid_t cvt_nid;
  77
  78         struct hda_codec *codec;
  79         struct hdmi_eld sink_eld;
  80         struct mutex lock;
  81         struct delayed_work work;
  82         struct snd_kcontrol *eld_ctl;
  83         int repoll_count;
  84         bool setup; /* the stream has been set up by prepare callback */
  85         int channels; /* current number of channels */
  86         bool non_pcm;
  87         bool chmap_set;         /* channel-map override by ALSA API? */
  88         unsigned char chmap[8]; /* ALSA API channel-map */
  89 #ifdef CONFIG_SND_PROC_FS
  90         struct snd_info_entry *proc_entry;
  91 #endif
  92 };
  93
  94 struct cea_channel_speaker_allocation;
  95
  96 /* operations used by generic code that can be overridden by patches */
  97 struct hdmi_ops {
  98         int (*pin_get_eld)(struct hda_codec *codec, hda_nid_t pin_nid,
  99                            unsigned char *buf, int *eld_size);
 100
 101         /* get and set channel assigned to each HDMI ASP (audio sample packet) slot */
 102         int (*pin_get_slot_channel)(struct hda_codec *codec, hda_nid_t pin_nid,
 103                                     int asp_slot);
 104         int (*pin_set_slot_channel)(struct hda_codec *codec, hda_nid_t pin_nid,
 105                                     int asp_slot, int channel);
 106
 107         void (*pin_setup_infoframe)(struct hda_codec *codec, hda_nid_t pin_nid,
 108                                     int ca, int active_channels, int conn_type);
 109
 110         /* enable/disable HBR (HD passthrough) */
 111         int (*pin_hbr_setup)(struct hda_codec *codec, hda_nid_t pin_nid, bool hbr);
 112
 113         int (*setup_stream)(struct hda_codec *codec, hda_nid_t cvt_nid,
 114                             hda_nid_t pin_nid, u32 stream_tag, int format);
 115
 116         /* Helpers for producing the channel map TLVs. These can be overridden
 117          * for devices that have non-standard mapping requirements. */
 118         int (*chmap_cea_alloc_validate_get_type)(struct cea_channel_speaker_allocation *cap,
 119                                                  int channels);
 120         void (*cea_alloc_to_tlv_chmap)(struct cea_channel_speaker_allocation *cap,
 121                                        unsigned int *chmap, int channels);
 122
 123         /* check that the user-given chmap is supported */
 124         int (*chmap_validate)(int ca, int channels, unsigned char *chmap);
 125 };
 126
 127 struct hdmi_spec {
 128         int num_cvts;
 129         struct snd_array cvts; /* struct hdmi_spec_per_cvt */
 130         hda_nid_t cvt_nids[4]; /* only for haswell fix */
 131
 132         int num_pins;
 133         struct snd_array pins; /* struct hdmi_spec_per_pin */
 134         struct hda_pcm *pcm_rec[16];
 135         unsigned int channels_max; /* max over all cvts */
 136
 137         struct hdmi_eld temp_eld;
 138         struct hdmi_ops ops;
 139
 140         bool dyn_pin_out;
 141
 142         /*
 143          * Non-generic VIA/NVIDIA specific
 144          */
 145         struct hda_multi_out multiout;
 146         struct hda_pcm_stream pcm_playback;
 147 };
 148
 149
 150 struct hdmi_audio_infoframe {
 151         u8 type; /* 0x84 */
 152         u8 ver;  /* 0x01 */
 153         u8 len;  /* 0x0a */
 154
 155         u8 checksum;
 156
 157         u8 CC02_CT47;   /* CC in bits 0:2, CT in 4:7 */
 158         u8 SS01_SF24;
 159         u8 CXT04;
 160         u8 CA;
 161         u8 LFEPBL01_LSV36_DM_INH7;
 162 };
 163
 164 struct dp_audio_infoframe {
 165         u8 type; /* 0x84 */
 166         u8 len;  /* 0x1b */
 167         u8 ver;  /* 0x11 << 2 */
 168
 169         u8 CC02_CT47;   /* match with HDMI infoframe from this on */
 170         u8 SS01_SF24;
 171         u8 CXT04;
 172         u8 CA;
 173         u8 LFEPBL01_LSV36_DM_INH7;
 174 };
 175
 176 union audio_infoframe {
 177         struct hdmi_audio_infoframe hdmi;
 178         struct dp_audio_infoframe dp;
 179         u8 bytes[0];
 180 };
 181
 182 /*
 183  * CEA speaker placement:
 184  *
 185  *        FLH       FCH        FRH
 186  *  FLW    FL  FLC   FC   FRC   FR   FRW
 187  *
 188  *                                  LFE
 189  *                     TC
 190  *
 191  *          RL  RLC   RC   RRC   RR
 192  *
 193  * The Left/Right Surround channel _notions_ LS/RS in SMPTE 320M corresponds to
 194  * CEA RL/RR; The SMPTE channel _assignment_ C/LFE is swapped to CEA LFE/FC.
 195  */
 196 enum cea_speaker_placement {
 197         FL  = (1 <<  0),        /* Front Left           */
 198         FC  = (1 <<  1),        /* Front Center         */
 199         FR  = (1 <<  2),        /* Front Right          */
 200         FLC = (1 <<  3),        /* Front Left Center    */
 201         FRC = (1 <<  4),        /* Front Right Center   */
 202         RL  = (1 <<  5),        /* Rear Left            */
 203         RC  = (1 <<  6),        /* Rear Center          */
 204         RR  = (1 <<  7),        /* Rear Right           */
 205         RLC = (1 <<  8),        /* Rear Left Center     */
 206         RRC = (1 <<  9),        /* Rear Right Center    */
 207         LFE = (1 << 10),        /* Low Frequency Effect */
 208         FLW = (1 << 11),        /* Front Left Wide      */
 209         FRW = (1 << 12),        /* Front Right Wide     */
 210         FLH = (1 << 13),        /* Front Left High      */
 211         FCH = (1 << 14),        /* Front Center High    */
 212         FRH = (1 << 15),        /* Front Right High     */
 213         TC  = (1 << 16),        /* Top Center           */
 214 };
 215
 216 /*
 217  * ELD SA bits in the CEA Speaker Allocation data block
 218  */
 219 static int eld_speaker_allocation_bits[] = {
 220         [0] = FL | FR,
 221         [1] = LFE,
 222         [2] = FC,
 223         [3] = RL | RR,
 224         [4] = RC,
 225         [5] = FLC | FRC,
 226         [6] = RLC | RRC,
 227         /* the following are not defined in ELD yet */
 228         [7] = FLW | FRW,
 229         [8] = FLH | FRH,
 230         [9] = TC,
 231         [10] = FCH,
 232 };
 233
 234 struct cea_channel_speaker_allocation {
 235         int ca_index;
 236         int speakers[8];
 237
 238         /* derived values, just for convenience */
 239         int channels;
 240         int spk_mask;
 241 };
 242
 243 /*
 244  * ALSA sequence is:
 245  *
 246  *       surround40   surround41   surround50   surround51   surround71
 247  * ch0   front left   =            =            =            =
 248  * ch1   front right  =            =            =            =
 249  * ch2   rear left    =            =            =            =
 250  * ch3   rear right   =            =            =            =
 251  * ch4                LFE          center       center       center
 252  * ch5                                          LFE          LFE
 253  * ch6                                                       side left
 254  * ch7                                                       side right
 255  *
 256  * surround71 = {FL, FR, RLC, RRC, FC, LFE, RL, RR}
 257  */
 258 static int hdmi_channel_mapping[0x32][8] = {
 259         /* stereo */
 260         [0x00] = { 0x00, 0x11, 0xf2, 0xf3, 0xf4, 0xf5, 0xf6, 0xf7 },
 261         /* 2.1 */
 262         [0x01] = { 0x00, 0x11, 0x22, 0xf3, 0xf4, 0xf5, 0xf6, 0xf7 },
 263         /* Dolby Surround */
 264         [0x02] = { 0x00, 0x11, 0x23, 0xf2, 0xf4, 0xf5, 0xf6, 0xf7 },
 265         /* surround40 */
 266         [0x08] = { 0x00, 0x11, 0x24, 0x35, 0xf3, 0xf2, 0xf6, 0xf7 },
 267         /* 4ch */
 268         [0x03] = { 0x00, 0x11, 0x23, 0x32, 0x44, 0xf5, 0xf6, 0xf7 },
 269         /* surround41 */
 270         [0x09] = { 0x00, 0x11, 0x24, 0x35, 0x42, 0xf3, 0xf6, 0xf7 },
 271         /* surround50 */
 272         [0x0a] = { 0x00, 0x11, 0x24, 0x35, 0x43, 0xf2, 0xf6, 0xf7 },
 273         /* surround51 */
 274         [0x0b] = { 0x00, 0x11, 0x24, 0x35, 0x43, 0x52, 0xf6, 0xf7 },
 275         /* 7.1 */
 276         [0x13] = { 0x00, 0x11, 0x26, 0x37, 0x43, 0x52, 0x64, 0x75 },
 277 };
 278
 279 /*
 280  * This is an ordered list!
 281  *
 282  * The preceding ones have better chances to be selected by
 283  * hdmi_channel_allocation().
 284  */
 285 static struct cea_channel_speaker_allocation channel_allocations[] = {
 286 /*                        channel:   7     6    5    4    3     2    1    0  */
 287 { .ca_index = 0x00,  .speakers = {   0,    0,   0,   0,   0,    0,  FR,  FL } },
 288                                  /* 2.1 */
 289 { .ca_index = 0x01,  .speakers = {   0,    0,   0,   0,   0,  LFE,  FR,  FL } },
 290                                  /* Dolby Surround */
 291 { .ca_index = 0x02,  .speakers = {   0,    0,   0,   0,  FC,    0,  FR,  FL } },
 292                                  /* surround40 */
 293 { .ca_index = 0x08,  .speakers = {   0,    0,  RR,  RL,   0,    0,  FR,  FL } },
 294                                  /* surround41 */
 295 { .ca_index = 0x09,  .speakers = {   0,    0,  RR,  RL,   0,  LFE,  FR,  FL } },
 296                                  /* surround50 */
 297 { .ca_index = 0x0a,  .speakers = {   0,    0,  RR,  RL,  FC,    0,  FR,  FL } },
 298                                  /* surround51 */
 299 { .ca_index = 0x0b,  .speakers = {   0,    0,  RR,  RL,  FC,  LFE,  FR,  FL } },
 300                                  /* 6.1 */
 301 { .ca_index = 0x0f,  .speakers = {   0,   RC,  RR,  RL,  FC,  LFE,  FR,  FL } },
 302                                  /* surround71 */
 303 { .ca_index = 0x13,  .speakers = { RRC,  RLC,  RR,  RL,  FC,  LFE,  FR,  FL } },
 304
 305 { .ca_index = 0x03,  .speakers = {   0,    0,   0,   0,  FC,  LFE,  FR,  FL } },
 306 { .ca_index = 0x04,  .speakers = {   0,    0,   0,  RC,   0,    0,  FR,  FL } },
 307 { .ca_index = 0x05,  .speakers = {   0,    0,   0,  RC,   0,  LFE,  FR,  FL } },
 308 { .ca_index = 0x06,  .speakers = {   0,    0,   0,  RC,  FC,    0,  FR,  FL } },
 309 { .ca_index = 0x07,  .speakers = {   0,    0,   0,  RC,  FC,  LFE,  FR,  FL } },
 310 { .ca_index = 0x0c,  .speakers = {   0,   RC,  RR,  RL,   0,    0,  FR,  FL } },
 311 { .ca_index = 0x0d,  .speakers = {   0,   RC,  RR,  RL,   0,  LFE,  FR,  FL } },
 312 { .ca_index = 0x0e,  .speakers = {   0,   RC,  RR,  RL,  FC,    0,  FR,  FL } },
 313 { .ca_index = 0x10,  .speakers = { RRC,  RLC,  RR,  RL,   0,    0,  FR,  FL } },
 314 { .ca_index = 0x11,  .speakers = { RRC,  RLC,  RR,  RL,   0,  LFE,  FR,  FL } },
 315 { .ca_index = 0x12,  .speakers = { RRC,  RLC,  RR,  RL,  FC,    0,  FR,  FL } },
 316 { .ca_index = 0x14,  .speakers = { FRC,  FLC,   0,   0,   0,    0,  FR,  FL } },
 317 { .ca_index = 0x15,  .speakers = { FRC,  FLC,   0,   0,   0,  LFE,  FR,  FL } },
 318 { .ca_index = 0x16,  .speakers = { FRC,  FLC,   0,   0,  FC,    0,  FR,  FL } },
 319 { .ca_index = 0x17,  .speakers = { FRC,  FLC,   0,   0,  FC,  LFE,  FR,  FL } },
 320 { .ca_index = 0x18,  .speakers = { FRC,  FLC,   0,  RC,   0,    0,  FR,  FL } },
 321 { .ca_index = 0x19,  .speakers = { FRC,  FLC,   0,  RC,   0,  LFE,  FR,  FL } },
 322 { .ca_index = 0x1a,  .speakers = { FRC,  FLC,   0,  RC,  FC,    0,  FR,  FL } },
 323 { .ca_index = 0x1b,  .speakers = { FRC,  FLC,   0,  RC,  FC,  LFE,  FR,  FL } },
 324 { .ca_index = 0x1c,  .speakers = { FRC,  FLC,  RR,  RL,   0,    0,  FR,  FL } },
 325 { .ca_index = 0x1d,  .speakers = { FRC,  FLC,  RR,  RL,   0,  LFE,  FR,  FL } },
 326 { .ca_index = 0x1e,  .speakers = { FRC,  FLC,  RR,  RL,  FC,    0,  FR,  FL } },
 327 { .ca_index = 0x1f,  .speakers = { FRC,  FLC,  RR,  RL,  FC,  LFE,  FR,  FL } },
 328 { .ca_index = 0x20,  .speakers = {   0,  FCH,  RR,  RL,  FC,    0,  FR,  FL } },
 329 { .ca_index = 0x21,  .speakers = {   0,  FCH,  RR,  RL,  FC,  LFE,  FR,  FL } },
 330 { .ca_index = 0x22,  .speakers = {  TC,    0,  RR,  RL,  FC,    0,  FR,  FL } },
 331 { .ca_index = 0x23,  .speakers = {  TC,    0,  RR,  RL,  FC,  LFE,  FR,  FL } },
 332 { .ca_index = 0x24,  .speakers = { FRH,  FLH,  RR,  RL,   0,    0,  FR,  FL } },
 333 { .ca_index = 0x25,  .speakers = { FRH,  FLH,  RR,  RL,   0,  LFE,  FR,  FL } },
 334 { .ca_index = 0x26,  .speakers = { FRW,  FLW,  RR,  RL,   0,    0,  FR,  FL } },
 335 { .ca_index = 0x27,  .speakers = { FRW,  FLW,  RR,  RL,   0,  LFE,  FR,  FL } },
 336 { .ca_index = 0x28,  .speakers = {  TC,   RC,  RR,  RL,  FC,    0,  FR,  FL } },
 337 { .ca_index = 0x29,  .speakers = {  TC,   RC,  RR,  RL,  FC,  LFE,  FR,  FL } },
 338 { .ca_index = 0x2a,  .speakers = { FCH,   RC,  RR,  RL,  FC,    0,  FR,  FL } },
 339 { .ca_index = 0x2b,  .speakers = { FCH,   RC,  RR,  RL,  FC,  LFE,  FR,  FL } },
 340 { .ca_index = 0x2c,  .speakers = {  TC,  FCH,  RR,  RL,  FC,    0,  FR,  FL } },
 341 { .ca_index = 0x2d,  .speakers = {  TC,  FCH,  RR,  RL,  FC,  LFE,  FR,  FL } },
 342 { .ca_index = 0x2e,  .speakers = { FRH,  FLH,  RR,  RL,  FC,    0,  FR,  FL } },
 343 { .ca_index = 0x2f,  .speakers = { FRH,  FLH,  RR,  RL,  FC,  LFE,  FR,  FL } },
 344 { .ca_index = 0x30,  .speakers = { FRW,  FLW,  RR,  RL,  FC,    0,  FR,  FL } },
 345 { .ca_index = 0x31,  .speakers = { FRW,  FLW,  RR,  RL,  FC,  LFE,  FR,  FL } },
 346 };
 347
 348
 349 /*
 350  * HDMI routines
 351  */
 352
 353 #define get_pin(spec, idx) \
 354         ((struct hdmi_spec_per_pin *)snd_array_elem(&spec->pins, idx))
 355 #define get_cvt(spec, idx) \
 356         ((struct hdmi_spec_per_cvt  *)snd_array_elem(&spec->cvts, idx))
 357 #define get_pcm_rec(spec, idx)  ((spec)->pcm_rec[idx])
 358
 359 static int pin_nid_to_pin_index(struct hda_codec *codec, hda_nid_t pin_nid)
 360 {
 361         struct hdmi_spec *spec = codec->spec;
 362         int pin_idx;
 363
 364         for (pin_idx = 0; pin_idx < spec->num_pins; pin_idx++)
 365                 if (get_pin(spec, pin_idx)->pin_nid == pin_nid)
 366                         return pin_idx;
 367
 368         codec_warn(codec, "HDMI: pin nid %d not registered\n", pin_nid);
 369         return -EINVAL;
 370 }
 371
 372 static int hinfo_to_pin_index(struct hda_codec *codec,
 373                               struct hda_pcm_stream *hinfo)
 374 {
 375         struct hdmi_spec *spec = codec->spec;
 376         int pin_idx;
 377
 378         for (pin_idx = 0; pin_idx < spec->num_pins; pin_idx++)
 379                 if (get_pcm_rec(spec, pin_idx)->stream == hinfo)
 380                         return pin_idx;
 381
 382         codec_warn(codec, "HDMI: hinfo %p not registered\n", hinfo);
 383         return -EINVAL;
 384 }
 385
 386 static int cvt_nid_to_cvt_index(struct hda_codec *codec, hda_nid_t cvt_nid)
 387 {
 388         struct hdmi_spec *spec = codec->spec;
 389         int cvt_idx;
 390
 391         for (cvt_idx = 0; cvt_idx < spec->num_cvts; cvt_idx++)
 392                 if (get_cvt(spec, cvt_idx)->cvt_nid == cvt_nid)
 393                         return cvt_idx;
 394
 395         codec_warn(codec, "HDMI: cvt nid %d not registered\n", cvt_nid);
 396         return -EINVAL;
 397 }
 398
 399 static int hdmi_eld_ctl_info(struct snd_kcontrol *kcontrol,
 400                         struct snd_ctl_elem_info *uinfo)
 401 {
 402         struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
 403         struct hdmi_spec *spec = codec->spec;
 404         struct hdmi_spec_per_pin *per_pin;
 405         struct hdmi_eld *eld;
 406         int pin_idx;
 407
 408         uinfo->type = SNDRV_CTL_ELEM_TYPE_BYTES;
 409
 410         pin_idx = kcontrol->private_value;
 411         per_pin = get_pin(spec, pin_idx);
 412         eld = &per_pin->sink_eld;
 413
 414         mutex_lock(&per_pin->lock);
 415         uinfo->count = eld->eld_valid ? eld->eld_size : 0;
 416         mutex_unlock(&per_pin->lock);
 417
 418         return 0;
 419 }
 420
 421 static int hdmi_eld_ctl_get(struct snd_kcontrol *kcontrol,
 422                         struct snd_ctl_elem_value *ucontrol)
 423 {
 424         struct hda_codec *codec = snd_kcontrol_chip(kcontrol);
 425         struct hdmi_spec *spec = codec->spec;
 426         struct hdmi_spec_per_pin *per_pin;
 427         struct hdmi_eld *eld;
 428         int pin_idx;
 429
 430         pin_idx = kcontrol->private_value;
 431         per_pin = get_pin(spec, pin_idx);
 432         eld = &per_pin->sink_eld;
 433
 434         mutex_lock(&per_pin->lock);
 435         if (eld->eld_size > ARRAY_SIZE(ucontrol->value.bytes.data)) {
 436                 mutex_unlock(&per_pin->lock);
 437                 snd_BUG();
 438                 return -EINVAL;
 439         }
 440
 441         memset(ucontrol->value.bytes.data, 0,
 442                ARRAY_SIZE(ucontrol->value.bytes.data));
 443         if (eld->eld_valid)
 444                 memcpy(ucontrol->value.bytes.data, eld->eld_buffer,
 445                        eld->eld_size);
 446         mutex_unlock(&per_pin->lock);
 447
 448         return 0;
 449 }
 450
 451 static struct snd_kcontrol_new eld_bytes_ctl = {
 452         .access = SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_VOLATILE,
 453         .iface = SNDRV_CTL_ELEM_IFACE_PCM,
 454         .name = "ELD",
 455         .info = hdmi_eld_ctl_info,
 456         .get = hdmi_eld_ctl_get,
 457 };
 458
 459 static int hdmi_create_eld_ctl(struct hda_codec *codec, int pin_idx,
 460                         int device)
 461 {
 462         struct snd_kcontrol *kctl;
 463         struct hdmi_spec *spec = codec->spec;
 464         int err;
 465
 466         kctl = snd_ctl_new1(&eld_bytes_ctl, codec);
 467         if (!kctl)
 468                 return -ENOMEM;
 469         kctl->private_value = pin_idx;
 470         kctl->id.device = device;
 471
 472         err = snd_hda_ctl_add(codec, get_pin(spec, pin_idx)->pin_nid, kctl);
 473         if (err < 0)
 474                 return err;
 475
 476         get_pin(spec, pin_idx)->eld_ctl = kctl;
 477         return 0;
 478 }
 479
 480 #ifdef BE_PARANOID
 481 static void hdmi_get_dip_index(struct hda_codec *codec, hda_nid_t pin_nid,
 482                                 int *packet_index, int *byte_index)
 483 {
 484         int val;
 485
 486         val = snd_hda_codec_read(codec, pin_nid, 0,
 487                                  AC_VERB_GET_HDMI_DIP_INDEX, 0);
 488
 489         *packet_index = val >> 5;
 490         *byte_index = val & 0x1f;
 491 }
 492 #endif
 493
 494 static void hdmi_set_dip_index(struct hda_codec *codec, hda_nid_t pin_nid,
 495                                 int packet_index, int byte_index)
 496 {
 497         int val;
 498
 499         val = (packet_index << 5) | (byte_index & 0x1f);
 500
 501         snd_hda_codec_write(codec, pin_nid, 0, AC_VERB_SET_HDMI_DIP_INDEX, val);
 502 }
 503
 504 static void hdmi_write_dip_byte(struct hda_codec *codec, hda_nid_t pin_nid,
 505                                 unsigned char val)
 506 {
 507         snd_hda_codec_write(codec, pin_nid, 0, AC_VERB_SET_HDMI_DIP_DATA, val);
 508 }
 509
 510 static void hdmi_init_pin(struct hda_codec *codec, hda_nid_t pin_nid)
 511 {
 512         struct hdmi_spec *spec = codec->spec;
 513         int pin_out;
 514
 515         /* Unmute */
 516         if (get_wcaps(codec, pin_nid) & AC_WCAP_OUT_AMP)
 517                 snd_hda_codec_write(codec, pin_nid, 0,
 518                                 AC_VERB_SET_AMP_GAIN_MUTE, AMP_OUT_UNMUTE);
 519
 520         if (spec->dyn_pin_out)
 521                 /* Disable pin out until stream is active */
 522                 pin_out = 0;
 523         else
 524                 /* Enable pin out: some machines with GM965 gets broken output
 525                  * when the pin is disabled or changed while using with HDMI
 526                  */
 527                 pin_out = PIN_OUT;
 528
 529         snd_hda_codec_write(codec, pin_nid, 0,
 530                             AC_VERB_SET_PIN_WIDGET_CONTROL, pin_out);
 531 }
 532
 533 static int hdmi_get_channel_count(struct hda_codec *codec, hda_nid_t cvt_nid)
 534 {
 535         return 1 + snd_hda_codec_read(codec, cvt_nid, 0,
 536                                         AC_VERB_GET_CVT_CHAN_COUNT, 0);
 537 }
 538
 539 static void hdmi_set_channel_count(struct hda_codec *codec,
 540                                    hda_nid_t cvt_nid, int chs)
 541 {
 542         if (chs != hdmi_get_channel_count(codec, cvt_nid))
 543                 snd_hda_codec_write(codec, cvt_nid, 0,
 544                                     AC_VERB_SET_CVT_CHAN_COUNT, chs - 1);
 545 }
 546
 547 /*
 548  * ELD proc files
 549  */
 550
 551 #ifdef CONFIG_SND_PROC_FS
 552 static void print_eld_info(struct snd_info_entry *entry,
 553                            struct snd_info_buffer *buffer)
 554 {
 555         struct hdmi_spec_per_pin *per_pin = entry->private_data;
 556
 557         mutex_lock(&per_pin->lock);
 558         snd_hdmi_print_eld_info(&per_pin->sink_eld, buffer);
 559         mutex_unlock(&per_pin->lock);
 560 }
 561
 562 static void write_eld_info(struct snd_info_entry *entry,
 563                            struct snd_info_buffer *buffer)
 564 {
 565         struct hdmi_spec_per_pin *per_pin = entry->private_data;
 566
 567         mutex_lock(&per_pin->lock);
 568         snd_hdmi_write_eld_info(&per_pin->sink_eld, buffer);
 569         mutex_unlock(&per_pin->lock);
 570 }
 571
 572 static int eld_proc_new(struct hdmi_spec_per_pin *per_pin, int index)
 573 {
 574         char name[32];
 575         struct hda_codec *codec = per_pin->codec;
 576         struct snd_info_entry *entry;
 577         int err;
 578
 579         snprintf(name, sizeof(name), "eld#%d.%d", codec->addr, index);
 580         err = snd_card_proc_new(codec->card, name, &entry);
 581         if (err < 0)
 582                 return err;
 583
 584         snd_info_set_text_ops(entry, per_pin, print_eld_info);
 585         entry->c.text.write = write_eld_info;
 586         entry->mode |= S_IWUSR;
 587         per_pin->proc_entry = entry;
 588
 589         return 0;
 590 }
 591
 592 static void eld_proc_free(struct hdmi_spec_per_pin *per_pin)
 593 {
 594         if (!per_pin->codec->bus->shutdown) {
 595                 snd_info_free_entry(per_pin->proc_entry);
 596                 per_pin->proc_entry = NULL;
 597         }
 598 }
 599 #else
 600 static inline int eld_proc_new(struct hdmi_spec_per_pin *per_pin,
 601                                int index)
 602 {
 603         return 0;
 604 }
 605 static inline void eld_proc_free(struct hdmi_spec_per_pin *per_pin)
 606 {
 607 }
 608 #endif
 609
 610 /*
 611  * Channel mapping routines
 612  */
 613
 614 /*
 615  * Compute derived values in channel_allocations[].
 616  */
 617 static void init_channel_allocations(void)
 618 {
 619         int i, j;
 620         struct cea_channel_speaker_allocation *p;
 621
 622         for (i = 0; i < ARRAY_SIZE(channel_allocations); i++) {
 623                 p = channel_allocations + i;
 624                 p->channels = 0;
 625                 p->spk_mask = 0;
 626                 for (j = 0; j < ARRAY_SIZE(p->speakers); j++)
 627                         if (p->speakers[j]) {
 628                                 p->channels++;
 629                                 p->spk_mask |= p->speakers[j];
 630                         }
 631         }
 632 }
 633
 634 static int get_channel_allocation_order(int ca)
 635 {
 636         int i;
 637
 638         for (i = 0; i < ARRAY_SIZE(channel_allocations); i++) {
 639                 if (channel_allocations[i].ca_index == ca)
 640                         break;
 641         }
 642         return i;
 643 }
 644
 645 /*
 646  * The transformation takes two steps:
 647  *
 648  *      eld->spk_alloc => (eld_speaker_allocation_bits[]) => spk_mask
 649  *            spk_mask => (channel_allocations[])         => ai->CA
 650  *
 651  * TODO: it could select the wrong CA from multiple candidates.
 652 */
 653 static int hdmi_channel_allocation(struct hda_codec *codec,
 654                                    struct hdmi_eld *eld, int channels)
 655 {
 656         int i;
 657         int ca = 0;
 658         int spk_mask = 0;
 659         char buf[SND_PRINT_CHANNEL_ALLOCATION_ADVISED_BUFSIZE];
 660
 661         /*
 662          * CA defaults to 0 for basic stereo audio
 663          */
 664         if (channels <= 2)
 665                 return 0;
 666
 667         /*
 668          * expand ELD's speaker allocation mask
 669          *
 670          * ELD tells the speaker mask in a compact(paired) form,
 671          * expand ELD's notions to match the ones used by Audio InfoFrame.
 672          */
 673         for (i = 0; i < ARRAY_SIZE(eld_speaker_allocation_bits); i++) {
 674                 if (eld->info.spk_alloc & (1 << i))
 675                         spk_mask |= eld_speaker_allocation_bits[i];
 676         }
 677
 678         /* search for the first working match in the CA table */
 679         for (i = 0; i < ARRAY_SIZE(channel_allocations); i++) {
 680                 if (channels == channel_allocations[i].channels &&
 681                     (spk_mask & channel_allocations[i].spk_mask) ==
 682                                 channel_allocations[i].spk_mask) {
 683                         ca = channel_allocations[i].ca_index;
 684                         break;
 685                 }
 686         }
 687
 688         if (!ca) {
 689                 /* if there was no match, select the regular ALSA channel
 690                  * allocation with the matching number of channels */
 691                 for (i = 0; i < ARRAY_SIZE(channel_allocations); i++) {
 692                         if (channels == channel_allocations[i].channels) {
 693                                 ca = channel_allocations[i].ca_index;
 694                                 break;
 695                         }
 696                 }
 697         }
 698
 699         snd_print_channel_allocation(eld->info.spk_alloc, buf, sizeof(buf));
 700         codec_dbg(codec, "HDMI: select CA 0x%x for %d-channel allocation: %s\n",
 701                     ca, channels, buf);
 702
 703         return ca;
 704 }
 705
 706 static void hdmi_debug_channel_mapping(struct hda_codec *codec,
 707                                        hda_nid_t pin_nid)
 708 {
 709 #ifdef CONFIG_SND_DEBUG_VERBOSE
 710         struct hdmi_spec *spec = codec->spec;
 711         int i;
 712         int channel;
 713
 714         for (i = 0; i < 8; i++) {
 715                 channel = spec->ops.pin_get_slot_channel(codec, pin_nid, i);
 716                 codec_dbg(codec, "HDMI: ASP channel %d => slot %d\n",
 717                                                 channel, i);
 718         }
 719 #endif
 720 }
 721
 722 static void hdmi_std_setup_channel_mapping(struct hda_codec *codec,
 723                                        hda_nid_t pin_nid,
 724                                        bool non_pcm,
 725                                        int ca)
 726 {
 727         struct hdmi_spec *spec = codec->spec;
 728         struct cea_channel_speaker_allocation *ch_alloc;
 729         int i;
 730         int err;
 731         int order;
 732         int non_pcm_mapping[8];
 733
 734         order = get_channel_allocation_order(ca);
 735         ch_alloc = &channel_allocations[order];
 736
 737         if (hdmi_channel_mapping[ca][1] == 0) {
 738                 int hdmi_slot = 0;
 739                 /* fill actual channel mappings in ALSA channel (i) order */
 740                 for (i = 0; i < ch_alloc->channels; i++) {
 741                         while (!ch_alloc->speakers[7 - hdmi_slot] && !WARN_ON(hdmi_slot >= 8))
 742                                 hdmi_slot++; /* skip zero slots */
 743
 744                         hdmi_channel_mapping[ca][i] = (i << 4) | hdmi_slot++;
 745                 }
 746                 /* fill the rest of the slots with ALSA channel 0xf */
 747                 for (hdmi_slot = 0; hdmi_slot < 8; hdmi_slot++)
 748                         if (!ch_alloc->speakers[7 - hdmi_slot])
 749                                 hdmi_channel_mapping[ca][i++] = (0xf << 4) | hdmi_slot;
 750         }
 751
 752         if (non_pcm) {
 753                 for (i = 0; i < ch_alloc->channels; i++)
 754                         non_pcm_mapping[i] = (i << 4) | i;
 755                 for (; i < 8; i++)
 756                         non_pcm_mapping[i] = (0xf << 4) | i;
 757         }
 758
 759         for (i = 0; i < 8; i++) {
 760                 int slotsetup = non_pcm ? non_pcm_mapping[i] : hdmi_channel_mapping[ca][i];
 761                 int hdmi_slot = slotsetup & 0x0f;
 762                 int channel = (slotsetup & 0xf0) >> 4;
 763                 err = spec->ops.pin_set_slot_channel(codec, pin_nid, hdmi_slot, channel);
 764                 if (err) {
 765                         codec_dbg(codec, "HDMI: channel mapping failed\n");
 766                         break;
 767                 }
 768         }
 769 }
 770
 771 struct channel_map_table {
 772         unsigned char map;              /* ALSA API channel map position */
 773         int spk_mask;                   /* speaker position bit mask */
 774 };
 775
 776 static struct channel_map_table map_tables[] = {
 777         { SNDRV_CHMAP_FL,       FL },
 778         { SNDRV_CHMAP_FR,       FR },
 779         { SNDRV_CHMAP_RL,       RL },
 780         { SNDRV_CHMAP_RR,       RR },
 781         { SNDRV_CHMAP_LFE,      LFE },
 782         { SNDRV_CHMAP_FC,       FC },
 783         { SNDRV_CHMAP_RLC,      RLC },
 784         { SNDRV_CHMAP_RRC,      RRC },
 785         { SNDRV_CHMAP_RC,       RC },
 786         { SNDRV_CHMAP_FLC,      FLC },
 787         { SNDRV_CHMAP_FRC,      FRC },
 788         { SNDRV_CHMAP_TFL,      FLH },
 789         { SNDRV_CHMAP_TFR,      FRH },
 790         { SNDRV_CHMAP_FLW,      FLW },
 791         { SNDRV_CHMAP_FRW,      FRW },
 792         { SNDRV_CHMAP_TC,       TC },
 793         { SNDRV_CHMAP_TFC,      FCH },
 794         {} /* terminator */
 795 };
 796
 797 /* from ALSA API channel position to speaker bit mask */
 798 static int to_spk_mask(unsigned char c)
 799 {
 800         struct channel_map_table *t = map_tables;
 801         for (; t->map; t++) {
 802                 if (t->map == c)
 803                         return t->spk_mask;
 804         }
 805         return 0;
 806 }
 807
 808 /* from ALSA API channel position to CEA slot */
 809 static int to_cea_slot(int ordered_ca, unsigned char pos)
 810 {
 811         int mask = to_spk_mask(pos);
 812         int i;
 813
 814         if (mask) {
 815                 for (i = 0; i < 8; i++) {
 816                         if (channel_allocations[ordered_ca].speakers[7 - i] == mask)
 817                                 return i;
 818                 }
 819         }
 820
 821         return -1;
 822 }
 823
 824 /* from speaker bit mask to ALSA API channel position */
 825 static int spk_to_chmap(int spk)
 826 {
 827         struct channel_map_table *t = map_tables;
 828         for (; t->map; t++) {
 829                 if (t->spk_mask == spk)
 830                         return t->map;
 831         }
 832         return 0;
 833 }
 834
 835 /* from CEA slot to ALSA API channel position */
 836 static int from_cea_slot(int ordered_ca, unsigned char slot)
 837 {
 838         int mask = channel_allocations[ordered_ca].speakers[7 - slot];
 839
 840         return spk_to_chmap(mask);
 841 }
 842
 843 /* get the CA index corresponding to the given ALSA API channel map */
 844 static int hdmi_manual_channel_allocation(int chs, unsigned char *map)
 845 {
 846         int i, spks = 0, spk_mask = 0;
 847
 848         for (i = 0; i < chs; i++) {
 849                 int mask = to_spk_mask(map[i]);
 850                 if (mask) {
 851                         spk_mask |= mask;
 852                         spks++;
 853                 }
 854         }
 855
 856         for (i = 0; i < ARRAY_SIZE(channel_allocations); i++) {
 857                 if ((chs == channel_allocations[i].channels ||
 858                      spks == channel_allocations[i].channels) &&
 859                     (spk_mask & channel_allocations[i].spk_mask) ==
 860                                 channel_allocations[i].spk_mask)
 861                         return channel_allocations[i].ca_index;
 862         }
 863         return -1;
 864 }
 865
 866 /* set up the channel slots for the given ALSA API channel map */
 867 static int hdmi_manual_setup_channel_mapping(struct hda_codec *codec,
 868                                              hda_nid_t pin_nid,
 869                                              int chs, unsigned char *map,
 870                                              int ca)
 871 {
 872         struct hdmi_spec *spec = codec->spec;
 873         int ordered_ca = get_channel_allocation_order(ca);
 874         int alsa_pos, hdmi_slot;
 875         int assignments[8] = {[0 ... 7] = 0xf};
 876
 877         for (alsa_pos = 0; alsa_pos < chs; alsa_pos++) {
 878
 879                 hdmi_slot = to_cea_slot(ordered_ca, map[alsa_pos]);
 880
 881                 if (hdmi_slot < 0)
 882                         continue; /* unassigned channel */
 883
 884                 assignments[hdmi_slot] = alsa_pos;
 885         }
 886
 887         for (hdmi_slot = 0; hdmi_slot < 8; hdmi_slot++) {
 888                 int err;
 889
 890                 err = spec->ops.pin_set_slot_channel(codec, pin_nid, hdmi_slot,
 891                                                      assignments[hdmi_slot]);
 892                 if (err)
 893                         return -EINVAL;
 894         }
 895         return 0;
 896 }
 897
 898 /* store ALSA API channel map from the current default map */
 899 static void hdmi_setup_fake_chmap(unsigned char *map, int ca)
 900 {
 901         int i;
 902         int ordered_ca = get_channel_allocation_order(ca);
 903         for (i = 0; i < 8; i++) {
 904                 if (i < channel_allocations[ordered_ca].channels)
 905                         map[i] = from_cea_slot(ordered_ca, hdmi_channel_mapping[ca][i] & 0x0f);
 906                 else
 907                         map[i] = 0;
 908         }
 909 }
 910
 911 static void hdmi_setup_channel_mapping(struct hda_codec *codec,
 912                                        hda_nid_t pin_nid, bool non_pcm, int ca,
 913                                        int channels, unsigned char *map,
 914                                        bool chmap_set)
 915 {
 916         if (!non_pcm && chmap_set) {
 917                 hdmi_manual_setup_channel_mapping(codec, pin_nid,
 918                                                   channels, map, ca);
 919         } else {
 920                 hdmi_std_setup_channel_mapping(codec, pin_nid, non_pcm, ca);
 921                 hdmi_setup_fake_chmap(map, ca);
 922         }
 923
 924         hdmi_debug_channel_mapping(codec, pin_nid);
 925 }
 926
 927 static int hdmi_pin_set_slot_channel(struct hda_codec *codec, hda_nid_t pin_nid,
 928                                      int asp_slot, int channel)
 929 {
 930         return snd_hda_codec_write(codec, pin_nid, 0,
 931                                    AC_VERB_SET_HDMI_CHAN_SLOT,
 932                                    (channel << 4) | asp_slot);
 933 }
 934
 935 static int hdmi_pin_get_slot_channel(struct hda_codec *codec, hda_nid_t pin_nid,
 936                                      int asp_slot)
 937 {
 938         return (snd_hda_codec_read(codec, pin_nid, 0,
 939                                    AC_VERB_GET_HDMI_CHAN_SLOT,
 940                                    asp_slot) & 0xf0) >> 4;
 941 }
 942
 943 /*
 944  * Audio InfoFrame routines
 945  */
 946
 947 /*
 948  * Enable Audio InfoFrame Transmission
 949  */
 950 static void hdmi_start_infoframe_trans(struct hda_codec *codec,
 951                                        hda_nid_t pin_nid)
 952 {
 953         hdmi_set_dip_index(codec, pin_nid, 0x0, 0x0);
 954         snd_hda_codec_write(codec, pin_nid, 0, AC_VERB_SET_HDMI_DIP_XMIT,
 955                                                 AC_DIPXMIT_BEST);
 956 }
 957
 958 /*
 959  * Disable Audio InfoFrame Transmission
 960  */
 961 static void hdmi_stop_infoframe_trans(struct hda_codec *codec,
 962                                       hda_nid_t pin_nid)
 963 {
 964         hdmi_set_dip_index(codec, pin_nid, 0x0, 0x0);
 965         snd_hda_codec_write(codec, pin_nid, 0, AC_VERB_SET_HDMI_DIP_XMIT,
 966                                                 AC_DIPXMIT_DISABLE);
 967 }
 968
 969 static void hdmi_debug_dip_size(struct hda_codec *codec, hda_nid_t pin_nid)
 970 {
 971 #ifdef CONFIG_SND_DEBUG_VERBOSE
 972         int i;
 973         int size;
 974
 975         size = snd_hdmi_get_eld_size(codec, pin_nid);
 976         codec_dbg(codec, "HDMI: ELD buf size is %d\n", size);
 977
 978         for (i = 0; i < 8; i++) {
 979                 size = snd_hda_codec_read(codec, pin_nid, 0,
 980                                                 AC_VERB_GET_HDMI_DIP_SIZE, i);
 981                 codec_dbg(codec, "HDMI: DIP GP[%d] buf size is %d\n", i, size);
 982         }
 983 #endif
 984 }
 985
 986 static void hdmi_clear_dip_buffers(struct hda_codec *codec, hda_nid_t pin_nid)
 987 {
 988 #ifdef BE_PARANOID
 989         int i, j;
 990         int size;
 991         int pi, bi;
 992         for (i = 0; i < 8; i++) {
 993                 size = snd_hda_codec_read(codec, pin_nid, 0,
 994                                                 AC_VERB_GET_HDMI_DIP_SIZE, i);
 995                 if (size == 0)
 996                         continue;
 997
 998                 hdmi_set_dip_index(codec, pin_nid, i, 0x0);
 999                 for (j = 1; j < 1000; j++) {
1000                         hdmi_write_dip_byte(codec, pin_nid, 0x0);
1001                         hdmi_get_dip_index(codec, pin_nid, &pi, &bi);
1002                         if (pi != i)
1003                                 codec_dbg(codec, "dip index %d: %d != %d\n",
1004                                                 bi, pi, i);
1005                         if (bi == 0) /* byte index wrapped around */
1006                                 break;
1007                 }
1008                 codec_dbg(codec,
1009                         "HDMI: DIP GP[%d] buf reported size=%d, written=%d\n",
1010                         i, size, j);
1011         }
1012 #endif
1013 }
1014
1015 static void hdmi_checksum_audio_infoframe(struct hdmi_audio_infoframe *hdmi_ai)
1016 {
1017         u8 *bytes = (u8 *)hdmi_ai;
1018         u8 sum = 0;
1019         int i;
1020
1021         hdmi_ai->checksum = 0;
1022
1023         for (i = 0; i < sizeof(*hdmi_ai); i++)
1024                 sum += bytes[i];
1025
1026         hdmi_ai->checksum = -sum;
1027 }
1028
1029 static void hdmi_fill_audio_infoframe(struct hda_codec *codec,
1030                                       hda_nid_t pin_nid,
1031                                       u8 *dip, int size)
1032 {
1033         int i;
1034
1035         hdmi_debug_dip_size(codec, pin_nid);
1036         hdmi_clear_dip_buffers(codec, pin_nid); /* be paranoid */
1037
1038         hdmi_set_dip_index(codec, pin_nid, 0x0, 0x0);
1039         for (i = 0; i < size; i++)
1040                 hdmi_write_dip_byte(codec, pin_nid, dip[i]);
1041 }
1042
1043 static bool hdmi_infoframe_uptodate(struct hda_codec *codec, hda_nid_t pin_nid,
1044                                     u8 *dip, int size)
1045 {
1046         u8 val;
1047         int i;
1048
1049         if (snd_hda_codec_read(codec, pin_nid, 0, AC_VERB_GET_HDMI_DIP_XMIT, 0)
1050                                                             != AC_DIPXMIT_BEST)
1051                 return false;
1052
1053         hdmi_set_dip_index(codec, pin_nid, 0x0, 0x0);
1054         for (i = 0; i < size; i++) {
1055                 val = snd_hda_codec_read(codec, pin_nid, 0,
1056                                          AC_VERB_GET_HDMI_DIP_DATA, 0);
1057                 if (val != dip[i])
1058                         return false;
1059         }
1060
1061         return true;
1062 }
1063
1064 static void hdmi_pin_setup_infoframe(struct hda_codec *codec,
1065                                      hda_nid_t pin_nid,
1066                                      int ca, int active_channels,
1067                                      int conn_type)
1068 {
1069         union audio_infoframe ai;
1070
1071         memset(&ai, 0, sizeof(ai));
1072         if (conn_type == 0) { /* HDMI */
1073                 struct hdmi_audio_infoframe *hdmi_ai = &ai.hdmi;
1074
1075                 hdmi_ai->type           = 0x84;
1076                 hdmi_ai->ver            = 0x01;
1077                 hdmi_ai->len            = 0x0a;
1078                 hdmi_ai->CC02_CT47      = active_channels - 1;
1079                 hdmi_ai->CA             = ca;
1080                 hdmi_checksum_audio_infoframe(hdmi_ai);
1081         } else if (conn_type == 1) { /* DisplayPort */
1082                 struct dp_audio_infoframe *dp_ai = &ai.dp;
1083
1084                 dp_ai->type             = 0x84;
1085                 dp_ai->len              = 0x1b;
1086                 dp_ai->ver              = 0x11 << 2;
1087                 dp_ai->CC02_CT47        = active_channels - 1;
1088                 dp_ai->CA               = ca;
1089         } else {
1090                 codec_dbg(codec, "HDMI: unknown connection type at pin %d\n",
1091                             pin_nid);
1092                 return;
1093         }
1094
1095         /*
1096          * sizeof(ai) is used instead of sizeof(*hdmi_ai) or
1097          * sizeof(*dp_ai) to avoid partial match/update problems when
1098          * the user switches between HDMI/DP monitors.
1099          */
1100         if (!hdmi_infoframe_uptodate(codec, pin_nid, ai.bytes,
1101                                         sizeof(ai))) {
1102                 codec_dbg(codec,
1103                           "hdmi_pin_setup_infoframe: pin=%d channels=%d ca=0x%02x\n",
1104                             pin_nid,
1105                             active_channels, ca);
1106                 hdmi_stop_infoframe_trans(codec, pin_nid);
1107                 hdmi_fill_audio_infoframe(codec, pin_nid,
1108                                             ai.bytes, sizeof(ai));
1109                 hdmi_start_infoframe_trans(codec, pin_nid);
1110         }
1111 }
1112
1113 static void hdmi_setup_audio_infoframe(struct hda_codec *codec,
1114                                        struct hdmi_spec_per_pin *per_pin,
1115                                        bool non_pcm)
1116 {
1117         struct hdmi_spec *spec = codec->spec;
1118         hda_nid_t pin_nid = per_pin->pin_nid;
1119         int channels = per_pin->channels;
1120         int active_channels;
1121         struct hdmi_eld *eld;
1122         int ca, ordered_ca;
1123
1124         if (!channels)
1125                 return;
1126
1127         if (is_haswell_plus(codec))
1128                 snd_hda_codec_write(codec, pin_nid, 0,
1129                                             AC_VERB_SET_AMP_GAIN_MUTE,
1130                                             AMP_OUT_UNMUTE);
1131
1132         eld = &per_pin->sink_eld;
1133
1134         if (!non_pcm && per_pin->chmap_set)
1135                 ca = hdmi_manual_channel_allocation(channels, per_pin->chmap);
1136         else
1137                 ca = hdmi_channel_allocation(codec, eld, channels);
1138         if (ca < 0)
1139                 ca = 0;
1140
1141         ordered_ca = get_channel_allocation_order(ca);
1142         active_channels = channel_allocations[ordered_ca].channels;
1143
1144         hdmi_set_channel_count(codec, per_pin->cvt_nid, active_channels);
1145
1146         /*
1147          * always configure channel mapping, it may have been changed by the
1148          * user in the meantime
1149          */
1150         hdmi_setup_channel_mapping(codec, pin_nid, non_pcm, ca,
1151                                    channels, per_pin->chmap,
1152                                    per_pin->chmap_set);
1153
1154         spec->ops.pin_setup_infoframe(codec, pin_nid, ca, active_channels,
1155                                       eld->info.conn_type);
1156
1157         per_pin->non_pcm = non_pcm;
1158 }
1159
1160 /*
1161  * Unsolicited events
1162  */
1163
1164 static bool hdmi_present_sense(struct hdmi_spec_per_pin *per_pin, int repoll);
1165
1166 static void check_presence_and_report(struct hda_codec *codec, hda_nid_t nid)
1167 {
1168         struct hdmi_spec *spec = codec->spec;
1169         int pin_idx = pin_nid_to_pin_index(codec, nid);
1170
1171         if (pin_idx < 0)
1172                 return;
1173         if (hdmi_present_sense(get_pin(spec, pin_idx), 1))
1174                 snd_hda_jack_report_sync(codec);
1175 }
1176
1177 static void jack_callback(struct hda_codec *codec,
1178                           struct hda_jack_callback *jack)
1179 {
1180         check_presence_and_report(codec, jack->tbl->nid);
1181 }
1182
1183 static void hdmi_intrinsic_event(struct hda_codec *codec, unsigned int res)
1184 {
1185         int tag = res >> AC_UNSOL_RES_TAG_SHIFT;
1186         struct hda_jack_tbl *jack;
1187         int dev_entry = (res & AC_UNSOL_RES_DE) >> AC_UNSOL_RES_DE_SHIFT;
1188
1189         jack = snd_hda_jack_tbl_get_from_tag(codec, tag);
1190         if (!jack)
1191                 return;
1192         jack->jack_dirty = 1;
1193
1194         codec_dbg(codec,
1195                 "HDMI hot plug event: Codec=%d Pin=%d Device=%d Inactive=%d Presence_Detect=%d ELD_Valid=%d\n",
1196                 codec->addr, jack->nid, dev_entry, !!(res & AC_UNSOL_RES_IA),
1197                 !!(res & AC_UNSOL_RES_PD), !!(res & AC_UNSOL_RES_ELDV));
1198
1199         check_presence_and_report(codec, jack->nid);
1200 }
1201
1202 static void hdmi_non_intrinsic_event(struct hda_codec *codec, unsigned int res)
1203 {
1204         int tag = res >> AC_UNSOL_RES_TAG_SHIFT;
1205         int subtag = (res & AC_UNSOL_RES_SUBTAG) >> AC_UNSOL_RES_SUBTAG_SHIFT;
1206         int cp_state = !!(res & AC_UNSOL_RES_CP_STATE);
1207         int cp_ready = !!(res & AC_UNSOL_RES_CP_READY);
1208
1209         codec_info(codec,
1210                 "HDMI CP event: CODEC=%d TAG=%d SUBTAG=0x%x CP_STATE=%d CP_READY=%d\n",
1211                 codec->addr,
1212                 tag,
1213                 subtag,
1214                 cp_state,
1215                 cp_ready);
1216
1217         /* TODO */
1218         if (cp_state)
1219                 ;
1220         if (cp_ready)
1221                 ;
1222 }
1223
1224
1225 static void hdmi_unsol_event(struct hda_codec *codec, unsigned int res)
1226 {
1227         int tag = res >> AC_UNSOL_RES_TAG_SHIFT;
1228         int subtag = (res & AC_UNSOL_RES_SUBTAG) >> AC_UNSOL_RES_SUBTAG_SHIFT;
1229
1230         if (!snd_hda_jack_tbl_get_from_tag(codec, tag)) {
1231                 codec_dbg(codec, "Unexpected HDMI event tag 0x%x\n", tag);
1232                 return;
1233         }
1234
1235         if (subtag == 0)
1236                 hdmi_intrinsic_event(codec, res);
1237         else
1238                 hdmi_non_intrinsic_event(codec, res);
1239 }
1240
1241 static void haswell_verify_D0(struct hda_codec *codec,
1242                 hda_nid_t cvt_nid, hda_nid_t nid)
1243 {
1244         int pwr;
1245
1246         /* For Haswell, the converter 1/2 may keep in D3 state after bootup,
1247          * thus pins could only choose converter 0 for use. Make sure the
1248          * converters are in correct power state */
1249         if (!snd_hda_check_power_state(codec, cvt_nid, AC_PWRST_D0))
1250                 snd_hda_codec_write(codec, cvt_nid, 0, AC_VERB_SET_POWER_STATE, AC_PWRST_D0);
1251
1252         if (!snd_hda_check_power_state(codec, nid, AC_PWRST_D0)) {
1253                 snd_hda_codec_write(codec, nid, 0, AC_VERB_SET_POWER_STATE,
1254                                     AC_PWRST_D0);
1255                 msleep(40);
1256                 pwr = snd_hda_codec_read(codec, nid, 0, AC_VERB_GET_POWER_STATE, 0);
1257                 pwr = (pwr & AC_PWRST_ACTUAL) >> AC_PWRST_ACTUAL_SHIFT;
1258                 codec_dbg(codec, "Haswell HDMI audio: Power for pin 0x%x is now D%d\n", nid, pwr);
1259         }
1260 }
1261
1262 /*
1263  * Callbacks
1264  */
1265
1266 /* HBR should be Non-PCM, 8 channels */
1267 #define is_hbr_format(format) \
1268         ((format & AC_FMT_TYPE_NON_PCM) && (format & AC_FMT_CHAN_MASK) == 7)
1269
1270 static int hdmi_pin_hbr_setup(struct hda_codec *codec, hda_nid_t pin_nid,
1271                               bool hbr)
1272 {
1273         int pinctl, new_pinctl;
1274
1275         if (snd_hda_query_pin_caps(codec, pin_nid) & AC_PINCAP_HBR) {
1276                 pinctl = snd_hda_codec_read(codec, pin_nid, 0,
1277                                             AC_VERB_GET_PIN_WIDGET_CONTROL, 0);
1278
1279                 if (pinctl < 0)
1280                         return hbr ? -EINVAL : 0;
1281
1282                 new_pinctl = pinctl & ~AC_PINCTL_EPT;
1283                 if (hbr)
1284                         new_pinctl |= AC_PINCTL_EPT_HBR;
1285                 else
1286                         new_pinctl |= AC_PINCTL_EPT_NATIVE;
1287
1288                 codec_dbg(codec,
1289                           "hdmi_pin_hbr_setup: NID=0x%x, %spinctl=0x%x\n",
1290                             pin_nid,
1291                             pinctl == new_pinctl ? "" : "new-",
1292                             new_pinctl);
1293
1294                 if (pinctl != new_pinctl)
1295                         snd_hda_codec_write(codec, pin_nid, 0,
1296                                             AC_VERB_SET_PIN_WIDGET_CONTROL,
1297                                             new_pinctl);
1298         } else if (hbr)
1299                 return -EINVAL;
1300
1301         return 0;
1302 }
1303
1304 static int hdmi_setup_stream(struct hda_codec *codec, hda_nid_t cvt_nid,
1305                               hda_nid_t pin_nid, u32 stream_tag, int format)
1306 {
1307         struct hdmi_spec *spec = codec->spec;
1308         int err;
1309
1310         if (is_haswell_plus(codec))
1311                 haswell_verify_D0(codec, cvt_nid, pin_nid);
1312
1313         err = spec->ops.pin_hbr_setup(codec, pin_nid, is_hbr_format(format));
1314
1315         if (err) {
1316                 codec_dbg(codec, "hdmi_setup_stream: HBR is not supported\n");
1317                 return err;
1318         }
1319
1320         snd_hda_codec_setup_stream(codec, cvt_nid, stream_tag, 0, format);
1321         return 0;
1322 }
1323
1324 static int hdmi_choose_cvt(struct hda_codec *codec,
1325                         int pin_idx, int *cvt_id, int *mux_id)
1326 {
1327         struct hdmi_spec *spec = codec->spec;
1328         struct hdmi_spec_per_pin *per_pin;
1329         struct hdmi_spec_per_cvt *per_cvt = NULL;
1330         int cvt_idx, mux_idx = 0;
1331
1332         per_pin = get_pin(spec, pin_idx);
1333
1334         /* Dynamically assign converter to stream */
1335         for (cvt_idx = 0; cvt_idx < spec->num_cvts; cvt_idx++) {
1336                 per_cvt = get_cvt(spec, cvt_idx);
1337
1338                 /* Must not already be assigned */
1339                 if (per_cvt->assigned)
1340                         continue;
1341                 /* Must be in pin's mux's list of converters */
1342                 for (mux_idx = 0; mux_idx < per_pin->num_mux_nids; mux_idx++)
1343                         if (per_pin->mux_nids[mux_idx] == per_cvt->cvt_nid)
1344                                 break;
1345                 /* Not in mux list */
1346                 if (mux_idx == per_pin->num_mux_nids)
1347                         continue;
1348                 break;
1349         }
1350
1351         /* No free converters */
1352         if (cvt_idx == spec->num_cvts)
1353                 return -ENODEV;
1354
1355         per_pin->mux_idx = mux_idx;
1356
1357         if (cvt_id)
1358                 *cvt_id = cvt_idx;
1359         if (mux_id)
1360                 *mux_id = mux_idx;
1361
1362         return 0;
1363 }
1364
1365 /* Assure the pin select the right convetor */
1366 static void intel_verify_pin_cvt_connect(struct hda_codec *codec,
1367                         struct hdmi_spec_per_pin *per_pin)
1368 {
1369         hda_nid_t pin_nid = per_pin->pin_nid;
1370         int mux_idx, curr;
1371
1372         mux_idx = per_pin->mux_idx;
1373         curr = snd_hda_codec_read(codec, pin_nid, 0,
1374                                           AC_VERB_GET_CONNECT_SEL, 0);
1375         if (curr != mux_idx)
1376                 snd_hda_codec_write_cache(codec, pin_nid, 0,
1377                                             AC_VERB_SET_CONNECT_SEL,
1378                                             mux_idx);
1379 }
1380
1381 /* Intel HDMI workaround to fix audio routing issue:
1382  * For some Intel display codecs, pins share the same connection list.
1383  * So a conveter can be selected by multiple pins and playback on any of these
1384  * pins will generate sound on the external display, because audio flows from
1385  * the same converter to the display pipeline. Also muting one pin may make
1386  * other pins have no sound output.
1387  * So this function assures that an assigned converter for a pin is not selected
1388  * by any other pins.
1389  */
1390 static void intel_not_share_assigned_cvt(struct hda_codec *codec,
1391                         hda_nid_t pin_nid, int mux_idx)
1392 {
1393         struct hdmi_spec *spec = codec->spec;
1394         hda_nid_t nid;
1395         int cvt_idx, curr;
1396         struct hdmi_spec_per_cvt *per_cvt;
1397
1398         /* configure all pins, including "no physical connection" ones */
1399         for_each_hda_codec_node(nid, codec) {
1400                 unsigned int wid_caps = get_wcaps(codec, nid);
1401                 unsigned int wid_type = get_wcaps_type(wid_caps);
1402
1403                 if (wid_type != AC_WID_PIN)
1404                         continue;
1405
1406                 if (nid == pin_nid)
1407                         continue;
1408
1409                 curr = snd_hda_codec_read(codec, nid, 0,
1410                                           AC_VERB_GET_CONNECT_SEL, 0);
1411                 if (curr != mux_idx)
1412                         continue;
1413
1414                 /* choose an unassigned converter. The conveters in the
1415                  * connection list are in the same order as in the codec.
1416                  */
1417                 for (cvt_idx = 0; cvt_idx < spec->num_cvts; cvt_idx++) {
1418                         per_cvt = get_cvt(spec, cvt_idx);
1419                         if (!per_cvt->assigned) {
1420                                 codec_dbg(codec,
1421                                           "choose cvt %d for pin nid %d\n",
1422                                         cvt_idx, nid);
1423                                 snd_hda_codec_write_cache(codec, nid, 0,
1424                                             AC_VERB_SET_CONNECT_SEL,
1425                                             cvt_idx);
1426                                 break;
1427                         }
1428                 }
1429         }
1430 }
1431
1432 /*
1433  * HDA PCM callbacks
1434  */
1435 static int hdmi_pcm_open(struct hda_pcm_stream *hinfo,
1436                          struct hda_codec *codec,
1437                          struct snd_pcm_substream *substream)
1438 {
1439         struct hdmi_spec *spec = codec->spec;
1440         struct snd_pcm_runtime *runtime = substream->runtime;
1441         int pin_idx, cvt_idx, mux_idx = 0;
1442         struct hdmi_spec_per_pin *per_pin;
1443         struct hdmi_eld *eld;
1444         struct hdmi_spec_per_cvt *per_cvt = NULL;
1445         int err;
1446
1447         /* Validate hinfo */
1448         pin_idx = hinfo_to_pin_index(codec, hinfo);
1449         if (snd_BUG_ON(pin_idx < 0))
1450                 return -EINVAL;
1451         per_pin = get_pin(spec, pin_idx);
1452         eld = &per_pin->sink_eld;
1453
1454         err = hdmi_choose_cvt(codec, pin_idx, &cvt_idx, &mux_idx);
1455         if (err < 0)
1456                 return err;
1457
1458         per_cvt = get_cvt(spec, cvt_idx);
1459         /* Claim converter */
1460         per_cvt->assigned = 1;
1461         per_pin->cvt_nid = per_cvt->cvt_nid;
1462         hinfo->nid = per_cvt->cvt_nid;
1463
1464         snd_hda_codec_write_cache(codec, per_pin->pin_nid, 0,
1465                             AC_VERB_SET_CONNECT_SEL,
1466                             mux_idx);
1467
1468         /* configure unused pins to choose other converters */
1469         if (is_haswell_plus(codec) || is_valleyview_plus(codec))
1470                 intel_not_share_assigned_cvt(codec, per_pin->pin_nid, mux_idx);
1471
1472         snd_hda_spdif_ctls_assign(codec, pin_idx, per_cvt->cvt_nid);
1473
1474         /* Initially set the converter's capabilities */
1475         hinfo->channels_min = per_cvt->channels_min;
1476         hinfo->channels_max = per_cvt->channels_max;
1477         hinfo->rates = per_cvt->rates;
1478         hinfo->formats = per_cvt->formats;
1479         hinfo->maxbps = per_cvt->maxbps;
1480
1481         /* Restrict capabilities by ELD if this isn't disabled */
1482         if (!static_hdmi_pcm && eld->eld_valid) {
1483                 snd_hdmi_eld_update_pcm_info(&eld->info, hinfo);
1484                 if (hinfo->channels_min > hinfo->channels_max ||
1485                     !hinfo->rates || !hinfo->formats) {
1486                         per_cvt->assigned = 0;
1487                         hinfo->nid = 0;
1488                         snd_hda_spdif_ctls_unassign(codec, pin_idx);
1489                         return -ENODEV;
1490                 }
1491         }
1492
1493         /* Store the updated parameters */
1494         runtime->hw.channels_min = hinfo->channels_min;
1495         runtime->hw.channels_max = hinfo->channels_max;
1496         runtime->hw.formats = hinfo->formats;
1497         runtime->hw.rates = hinfo->rates;
1498
1499         snd_pcm_hw_constraint_step(substream->runtime, 0,
1500                                    SNDRV_PCM_HW_PARAM_CHANNELS, 2);
1501         return 0;
1502 }
1503
1504 /*
1505  * HDA/HDMI auto parsing
1506  */
1507 static int hdmi_read_pin_conn(struct hda_codec *codec, int pin_idx)
1508 {
1509         struct hdmi_spec *spec = codec->spec;
1510         struct hdmi_spec_per_pin *per_pin = get_pin(spec, pin_idx);
1511         hda_nid_t pin_nid = per_pin->pin_nid;
1512
1513         if (!(get_wcaps(codec, pin_nid) & AC_WCAP_CONN_LIST)) {
1514                 codec_warn(codec,
1515                            "HDMI: pin %d wcaps %#x does not support connection list\n",
1516                            pin_nid, get_wcaps(codec, pin_nid));
1517                 return -EINVAL;
1518         }
1519
1520         per_pin->num_mux_nids = snd_hda_get_connections(codec, pin_nid,
1521                                                         per_pin->mux_nids,
1522                                                         HDA_MAX_CONNECTIONS);
1523
1524         return 0;
1525 }
1526
1527 static bool hdmi_present_sense(struct hdmi_spec_per_pin *per_pin, int repoll)
1528 {
1529         struct hda_jack_tbl *jack;
1530         struct hda_codec *codec = per_pin->codec;
1531         struct hdmi_spec *spec = codec->spec;
1532         struct hdmi_eld *eld = &spec->temp_eld;
1533         struct hdmi_eld *pin_eld = &per_pin->sink_eld;
1534         hda_nid_t pin_nid = per_pin->pin_nid;
1535         /*
1536          * Always execute a GetPinSense verb here, even when called from
1537          * hdmi_intrinsic_event; for some NVIDIA HW, the unsolicited
1538          * response's PD bit is not the real PD value, but indicates that
1539          * the real PD value changed. An older version of the HD-audio
1540          * specification worked this way. Hence, we just ignore the data in
1541          * the unsolicited response to avoid custom WARs.
1542          */
1543         int present;
1544         bool update_eld = false;
1545         bool eld_changed = false;
1546         bool ret;
1547
1548         snd_hda_power_up_pm(codec);
1549         present = snd_hda_pin_sense(codec, pin_nid);
1550
1551         mutex_lock(&per_pin->lock);
1552         pin_eld->monitor_present = !!(present & AC_PINSENSE_PRESENCE);
1553         if (pin_eld->monitor_present)
1554                 eld->eld_valid  = !!(present & AC_PINSENSE_ELDV);
1555         else
1556                 eld->eld_valid = false;
1557
1558         codec_dbg(codec,
1559                 "HDMI status: Codec=%d Pin=%d Presence_Detect=%d ELD_Valid=%d\n",
1560                 codec->addr, pin_nid, pin_eld->monitor_present, eld->eld_valid);
1561
1562         if (eld->eld_valid) {
1563                 if (spec->ops.pin_get_eld(codec, pin_nid, eld->eld_buffer,
1564                                                      &eld->eld_size) < 0)
1565                         eld->eld_valid = false;
1566                 else {
1567                         memset(&eld->info, 0, sizeof(struct parsed_hdmi_eld));
1568                         if (snd_hdmi_parse_eld(codec, &eld->info, eld->eld_buffer,
1569                                                     eld->eld_size) < 0)
1570                                 eld->eld_valid = false;
1571                 }
1572
1573                 if (eld->eld_valid) {
1574                         snd_hdmi_show_eld(codec, &eld->info);
1575                         update_eld = true;
1576                 }
1577                 else if (repoll) {
1578                         schedule_delayed_work(&per_pin->work,
1579                                               msecs_to_jiffies(300));
1580                         goto unlock;
1581                 }
1582         }
1583
1584         if (pin_eld->eld_valid != eld->eld_valid)
1585                 eld_changed = true;
1586
1587         if (pin_eld->eld_valid && !eld->eld_valid)
1588                 update_eld = true;
1589
1590         if (update_eld) {
1591                 bool old_eld_valid = pin_eld->eld_valid;
1592                 pin_eld->eld_valid = eld->eld_valid;
1593                 if (pin_eld->eld_size != eld->eld_size ||
1594                               memcmp(pin_eld->eld_buffer, eld->eld_buffer,
1595                                      eld->eld_size) != 0) {
1596                         memcpy(pin_eld->eld_buffer, eld->eld_buffer,
1597                                eld->eld_size);
1598                         eld_changed = true;
1599                 }
1600                 pin_eld->eld_size = eld->eld_size;
1601                 pin_eld->info = eld->info;
1602
1603                 /*
1604                  * Re-setup pin and infoframe. This is needed e.g. when
1605                  * - sink is first plugged-in (infoframe is not set up if !monitor_present)
1606                  * - transcoder can change during stream playback on Haswell
1607                  *   and this can make HW reset converter selection on a pin.
1608                  */
1609                 if (eld->eld_valid && !old_eld_valid && per_pin->setup) {
1610                         if (is_haswell_plus(codec) ||
1611                                 is_valleyview_plus(codec)) {
1612                                 intel_verify_pin_cvt_connect(codec, per_pin);
1613                                 intel_not_share_assigned_cvt(codec, pin_nid,
1614                                                         per_pin->mux_idx);
1615                         }
1616
1617                         hdmi_setup_audio_infoframe(codec, per_pin,
1618                                                    per_pin->non_pcm);
1619                 }
1620         }
1621
1622         if (eld_changed)
1623                 snd_ctl_notify(codec->card,
1624                                SNDRV_CTL_EVENT_MASK_VALUE | SNDRV_CTL_EVENT_MASK_INFO,
1625                                &per_pin->eld_ctl->id);
1626  unlock:
1627         ret = !repoll || !pin_eld->monitor_present || pin_eld->eld_valid;
1628
1629         jack = snd_hda_jack_tbl_get(codec, pin_nid);
1630         if (jack)
1631                 jack->block_report = !ret;
1632
1633         mutex_unlock(&per_pin->lock);
1634         snd_hda_power_down_pm(codec);
1635         return ret;
1636 }
1637
1638 static void hdmi_repoll_eld(struct work_struct *work)
1639 {
1640         struct hdmi_spec_per_pin *per_pin =
1641         container_of(to_delayed_work(work), struct hdmi_spec_per_pin, work);
1642
1643         if (per_pin->repoll_count++ > 6)
1644                 per_pin->repoll_count = 0;
1645
1646         if (hdmi_present_sense(per_pin, per_pin->repoll_count))
1647                 snd_hda_jack_report_sync(per_pin->codec);
1648 }
1649
1650 static void intel_haswell_fixup_connect_list(struct hda_codec *codec,
1651                                              hda_nid_t nid);
1652
1653 static int hdmi_add_pin(struct hda_codec *codec, hda_nid_t pin_nid)
1654 {
1655         struct hdmi_spec *spec = codec->spec;
1656         unsigned int caps, config;
1657         int pin_idx;
1658         struct hdmi_spec_per_pin *per_pin;
1659         int err;
1660
1661         caps = snd_hda_query_pin_caps(codec, pin_nid);
1662         if (!(caps & (AC_PINCAP_HDMI | AC_PINCAP_DP)))
1663                 return 0;
1664
1665         config = snd_hda_codec_get_pincfg(codec, pin_nid);
1666         if (get_defcfg_connect(config) == AC_JACK_PORT_NONE)
1667                 return 0;
1668
1669         if (is_haswell_plus(codec))
1670                 intel_haswell_fixup_connect_list(codec, pin_nid);
1671
1672         pin_idx = spec->num_pins;
1673         per_pin = snd_array_new(&spec->pins);
1674         if (!per_pin)
1675                 return -ENOMEM;
1676
1677         per_pin->pin_nid = pin_nid;
1678         per_pin->non_pcm = false;
1679
1680         err = hdmi_read_pin_conn(codec, pin_idx);
1681         if (err < 0)
1682                 return err;
1683
1684         spec->num_pins++;
1685
1686         return 0;
1687 }
1688
1689 static int hdmi_add_cvt(struct hda_codec *codec, hda_nid_t cvt_nid)
1690 {
1691         struct hdmi_spec *spec = codec->spec;
1692         struct hdmi_spec_per_cvt *per_cvt;
1693         unsigned int chans;
1694         int err;
1695
1696         chans = get_wcaps(codec, cvt_nid);
1697         chans = get_wcaps_channels(chans);
1698
1699         per_cvt = snd_array_new(&spec->cvts);
1700         if (!per_cvt)
1701                 return -ENOMEM;
1702
1703         per_cvt->cvt_nid = cvt_nid;
1704         per_cvt->channels_min = 2;
1705         if (chans <= 16) {
1706                 per_cvt->channels_max = chans;
1707                 if (chans > spec->channels_max)
1708                         spec->channels_max = chans;
1709         }
1710
1711         err = snd_hda_query_supported_pcm(codec, cvt_nid,
1712                                           &per_cvt->rates,
1713                                           &per_cvt->formats,
1714                                           &per_cvt->maxbps);
1715         if (err < 0)
1716                 return err;
1717
1718         if (spec->num_cvts < ARRAY_SIZE(spec->cvt_nids))
1719                 spec->cvt_nids[spec->num_cvts] = cvt_nid;
1720         spec->num_cvts++;
1721
1722         return 0;
1723 }
1724
1725 static int hdmi_parse_codec(struct hda_codec *codec)
1726 {
1727         hda_nid_t nid;
1728         int i, nodes;
1729
1730         nodes = snd_hda_get_sub_nodes(codec, codec->core.afg, &nid);
1731         if (!nid || nodes < 0) {
1732                 codec_warn(codec, "HDMI: failed to get afg sub nodes\n");
1733                 return -EINVAL;
1734         }
1735
1736         for (i = 0; i < nodes; i++, nid++) {
1737                 unsigned int caps;
1738                 unsigned int type;
1739
1740                 caps = get_wcaps(codec, nid);
1741                 type = get_wcaps_type(caps);
1742
1743                 if (!(caps & AC_WCAP_DIGITAL))
1744                         continue;
1745
1746                 switch (type) {
1747                 case AC_WID_AUD_OUT:
1748                         hdmi_add_cvt(codec, nid);
1749                         break;
1750                 case AC_WID_PIN:
1751                         hdmi_add_pin(codec, nid);
1752                         break;
1753                 }
1754         }
1755
1756         return 0;
1757 }
1758
1759 /*
1760  */
1761 static bool check_non_pcm_per_cvt(struct hda_codec *codec, hda_nid_t cvt_nid)
1762 {
1763         struct hda_spdif_out *spdif;
1764         bool non_pcm;
1765
1766         mutex_lock(&codec->spdif_mutex);
1767         spdif = snd_hda_spdif_out_of_nid(codec, cvt_nid);
1768         non_pcm = !!(spdif->status & IEC958_AES0_NONAUDIO);
1769         mutex_unlock(&codec->spdif_mutex);
1770         return non_pcm;
1771 }
1772
1773
1774 /*
1775  * HDMI callbacks
1776  */
1777
1778 static int generic_hdmi_playback_pcm_prepare(struct hda_pcm_stream *hinfo,
1779                                            struct hda_codec *codec,
1780                                            unsigned int stream_tag,
1781                                            unsigned int format,
1782                                            struct snd_pcm_substream *substream)
1783 {
1784         hda_nid_t cvt_nid = hinfo->nid;
1785         struct hdmi_spec *spec = codec->spec;
1786         int pin_idx = hinfo_to_pin_index(codec, hinfo);
1787         struct hdmi_spec_per_pin *per_pin = get_pin(spec, pin_idx);
1788         hda_nid_t pin_nid = per_pin->pin_nid;
1789         bool non_pcm;
1790         int pinctl;
1791
1792         if (is_haswell_plus(codec) || is_valleyview_plus(codec)) {
1793                 /* Verify pin:cvt selections to avoid silent audio after S3.
1794                  * After S3, the audio driver restores pin:cvt selections
1795                  * but this can happen before gfx is ready and such selection
1796                  * is overlooked by HW. Thus multiple pins can share a same
1797                  * default convertor and mute control will affect each other,
1798                  * which can cause a resumed audio playback become silent
1799                  * after S3.
1800                  */
1801                 intel_verify_pin_cvt_connect(codec, per_pin);
1802                 intel_not_share_assigned_cvt(codec, pin_nid, per_pin->mux_idx);
1803         }
1804
1805         non_pcm = check_non_pcm_per_cvt(codec, cvt_nid);
1806         mutex_lock(&per_pin->lock);
1807         per_pin->channels = substream->runtime->channels;
1808         per_pin->setup = true;
1809
1810         hdmi_setup_audio_infoframe(codec, per_pin, non_pcm);
1811         mutex_unlock(&per_pin->lock);
1812
1813         if (spec->dyn_pin_out) {
1814                 pinctl = snd_hda_codec_read(codec, pin_nid, 0,
1815                                             AC_VERB_GET_PIN_WIDGET_CONTROL, 0);
1816                 snd_hda_codec_write(codec, pin_nid, 0,
1817                                     AC_VERB_SET_PIN_WIDGET_CONTROL,
1818                                     pinctl | PIN_OUT);
1819         }
1820
1821         return spec->ops.setup_stream(codec, cvt_nid, pin_nid, stream_tag, format);
1822 }
1823
1824 static int generic_hdmi_playback_pcm_cleanup(struct hda_pcm_stream *hinfo,
1825                                              struct hda_codec *codec,
1826                                              struct snd_pcm_substream *substream)
1827 {
1828         snd_hda_codec_cleanup_stream(codec, hinfo->nid);
1829         return 0;
1830 }
1831
1832 static int hdmi_pcm_close(struct hda_pcm_stream *hinfo,
1833                           struct hda_codec *codec,
1834                           struct snd_pcm_substream *substream)
1835 {
1836         struct hdmi_spec *spec = codec->spec;
1837         int cvt_idx, pin_idx;
1838         struct hdmi_spec_per_cvt *per_cvt;
1839         struct hdmi_spec_per_pin *per_pin;
1840         int pinctl;
1841
1842         if (hinfo->nid) {
1843                 cvt_idx = cvt_nid_to_cvt_index(codec, hinfo->nid);
1844                 if (snd_BUG_ON(cvt_idx < 0))
1845                         return -EINVAL;
1846                 per_cvt = get_cvt(spec, cvt_idx);
1847
1848                 snd_BUG_ON(!per_cvt->assigned);
1849                 per_cvt->assigned = 0;
1850                 hinfo->nid = 0;
1851
1852                 pin_idx = hinfo_to_pin_index(codec, hinfo);
1853                 if (snd_BUG_ON(pin_idx < 0))
1854                         return -EINVAL;
1855                 per_pin = get_pin(spec, pin_idx);
1856
1857                 if (spec->dyn_pin_out) {
1858                         pinctl = snd_hda_codec_read(codec, per_pin->pin_nid, 0,
1859                                         AC_VERB_GET_PIN_WIDGET_CONTROL, 0);
1860                         snd_hda_codec_write(codec, per_pin->pin_nid, 0,
1861                                             AC_VERB_SET_PIN_WIDGET_CONTROL,
1862                                             pinctl & ~PIN_OUT);
1863                 }
1864
1865                 snd_hda_spdif_ctls_unassign(codec, pin_idx);
1866
1867                 mutex_lock(&per_pin->lock);
1868                 per_pin->chmap_set = false;
1869                 memset(per_pin->chmap, 0, sizeof(per_pin->chmap));
1870
1871                 per_pin->setup = false;
1872                 per_pin->channels = 0;
1873                 mutex_unlock(&per_pin->lock);
1874         }
1875
1876         return 0;
1877 }
1878
1879 static const struct hda_pcm_ops generic_ops = {
1880         .open = hdmi_pcm_open,
1881         .close = hdmi_pcm_close,
1882         .prepare = generic_hdmi_playback_pcm_prepare,
1883         .cleanup = generic_hdmi_playback_pcm_cleanup,
1884 };
1885
1886 /*
1887  * ALSA API channel-map control callbacks
1888  */
1889 static int hdmi_chmap_ctl_info(struct snd_kcontrol *kcontrol,
1890                                struct snd_ctl_elem_info *uinfo)
1891 {
1892         struct snd_pcm_chmap *info = snd_kcontrol_chip(kcontrol);
1893         struct hda_codec *codec = info->private_data;
1894         struct hdmi_spec *spec = codec->spec;
1895         uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
1896         uinfo->count = spec->channels_max;
1897         uinfo->value.integer.min = 0;
1898         uinfo->value.integer.max = SNDRV_CHMAP_LAST;
1899         return 0;
1900 }
1901
1902 static int hdmi_chmap_cea_alloc_validate_get_type(struct cea_channel_speaker_allocation *cap,
1903                                                   int channels)
1904 {
1905         /* If the speaker allocation matches the channel count, it is OK.*/
1906         if (cap->channels != channels)
1907                 return -1;
1908
1909         /* all channels are remappable freely */
1910         return SNDRV_CTL_TLVT_CHMAP_VAR;
1911 }
1912
1913 static void hdmi_cea_alloc_to_tlv_chmap(struct cea_channel_speaker_allocation *cap,
1914                                         unsigned int *chmap, int channels)
1915 {
1916         int count = 0;
1917         int c;
1918
1919         for (c = 7; c >= 0; c--) {
1920                 int spk = cap->speakers[c];
1921                 if (!spk)
1922                         continue;
1923
1924                 chmap[count++] = spk_to_chmap(spk);
1925         }
1926
1927         WARN_ON(count != channels);
1928 }
1929
1930 static int hdmi_chmap_ctl_tlv(struct snd_kcontrol *kcontrol, int op_flag,
1931                               unsigned int size, unsigned int __user *tlv)
1932 {
1933         struct snd_pcm_chmap *info = snd_kcontrol_chip(kcontrol);
1934         struct hda_codec *codec = info->private_data;
1935         struct hdmi_spec *spec = codec->spec;
1936         unsigned int __user *dst;
1937         int chs, count = 0;
1938
1939         if (size < 8)
1940                 return -ENOMEM;
1941         if (put_user(SNDRV_CTL_TLVT_CONTAINER, tlv))
1942                 return -EFAULT;
1943         size -= 8;
1944         dst = tlv + 2;
1945         for (chs = 2; chs <= spec->channels_max; chs++) {
1946                 int i;
1947                 struct cea_channel_speaker_allocation *cap;
1948                 cap = channel_allocations;
1949                 for (i = 0; i < ARRAY_SIZE(channel_allocations); i++, cap++) {
1950                         int chs_bytes = chs * 4;
1951                         int type = spec->ops.chmap_cea_alloc_validate_get_type(cap, chs);
1952                         unsigned int tlv_chmap[8];
1953
1954                         if (type < 0)
1955                                 continue;
1956                         if (size < 8)
1957                                 return -ENOMEM;
1958                         if (put_user(type, dst) ||
1959                             put_user(chs_bytes, dst + 1))
1960                                 return -EFAULT;
1961                         dst += 2;
1962                         size -= 8;
1963                         count += 8;
1964                         if (size < chs_bytes)
1965                                 return -ENOMEM;
1966                         size -= chs_bytes;
1967                         count += chs_bytes;
1968                         spec->ops.cea_alloc_to_tlv_chmap(cap, tlv_chmap, chs);
1969                         if (copy_to_user(dst, tlv_chmap, chs_bytes))
1970                                 return -EFAULT;
1971                         dst += chs;
1972                 }
1973         }
1974         if (put_user(count, tlv + 1))
1975                 return -EFAULT;
1976         return 0;
1977 }
1978
1979 static int hdmi_chmap_ctl_get(struct snd_kcontrol *kcontrol,
1980                               struct snd_ctl_elem_value *ucontrol)
1981 {
1982         struct snd_pcm_chmap *info = snd_kcontrol_chip(kcontrol);
1983         struct hda_codec *codec = info->private_data;
1984         struct hdmi_spec *spec = codec->spec;
1985         int pin_idx = kcontrol->private_value;
1986         struct hdmi_spec_per_pin *per_pin = get_pin(spec, pin_idx);
1987         int i;
1988
1989         for (i = 0; i < ARRAY_SIZE(per_pin->chmap); i++)
1990                 ucontrol->value.integer.value[i] = per_pin->chmap[i];
1991         return 0;
1992 }
1993
1994 static int hdmi_chmap_ctl_put(struct snd_kcontrol *kcontrol,
1995                               struct snd_ctl_elem_value *ucontrol)
1996 {
1997         struct snd_pcm_chmap *info = snd_kcontrol_chip(kcontrol);
1998         struct hda_codec *codec = info->private_data;
1999         struct hdmi_spec *spec = codec->spec;
2000         int pin_idx = kcontrol->private_value;
2001         struct hdmi_spec_per_pin *per_pin = get_pin(spec, pin_idx);
2002         unsigned int ctl_idx;
2003         struct snd_pcm_substream *substream;
2004         unsigned char chmap[8];
2005         int i, err, ca, prepared = 0;
2006
2007         ctl_idx = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id);
2008         substream = snd_pcm_chmap_substream(info, ctl_idx);
2009         if (!substream || !substream->runtime)
2010                 return 0; /* just for avoiding error from alsactl restore */
2011         switch (substream->runtime->status->state) {
2012         case SNDRV_PCM_STATE_OPEN:
2013         case SNDRV_PCM_STATE_SETUP:
2014                 break;
2015         case SNDRV_PCM_STATE_PREPARED:
2016                 prepared = 1;
2017                 break;
2018         default:
2019                 return -EBUSY;
2020         }
2021         memset(chmap, 0, sizeof(chmap));
2022         for (i = 0; i < ARRAY_SIZE(chmap); i++)
2023                 chmap[i] = ucontrol->value.integer.value[i];
2024         if (!memcmp(chmap, per_pin->chmap, sizeof(chmap)))
2025                 return 0;
2026         ca = hdmi_manual_channel_allocation(ARRAY_SIZE(chmap), chmap);
2027         if (ca < 0)
2028                 return -EINVAL;
2029         if (spec->ops.chmap_validate) {
2030                 err = spec->ops.chmap_validate(ca, ARRAY_SIZE(chmap), chmap);
2031                 if (err)
2032                         return err;
2033         }
2034         mutex_lock(&per_pin->lock);
2035         per_pin->chmap_set = true;
2036         memcpy(per_pin->chmap, chmap, sizeof(chmap));
2037         if (prepared)
2038                 hdmi_setup_audio_infoframe(codec, per_pin, per_pin->non_pcm);
2039         mutex_unlock(&per_pin->lock);
2040
2041         return 0;
2042 }
2043
2044 static int generic_hdmi_build_pcms(struct hda_codec *codec)
2045 {
2046         struct hdmi_spec *spec = codec->spec;
2047         int pin_idx;
2048
2049         for (pin_idx = 0; pin_idx < spec->num_pins; pin_idx++) {
2050                 struct hda_pcm *info;
2051                 struct hda_pcm_stream *pstr;
2052
2053                 info = snd_hda_codec_pcm_new(codec, "HDMI %d", pin_idx);
2054                 if (!info)
2055                         return -ENOMEM;
2056                 spec->pcm_rec[pin_idx] = info;
2057                 info->pcm_type = HDA_PCM_TYPE_HDMI;
2058                 info->own_chmap = true;
2059
2060                 pstr = &info->stream[SNDRV_PCM_STREAM_PLAYBACK];
2061                 pstr->substreams = 1;
2062                 pstr->ops = generic_ops;
2063                 /* other pstr fields are set in open */
2064         }
2065
2066         return 0;
2067 }
2068
2069 static int generic_hdmi_build_jack(struct hda_codec *codec, int pin_idx)
2070 {
2071         char hdmi_str[32] = "HDMI/DP";
2072         struct hdmi_spec *spec = codec->spec;
2073         struct hdmi_spec_per_pin *per_pin = get_pin(spec, pin_idx);
2074         int pcmdev = get_pcm_rec(spec, pin_idx)->device;
2075
2076         if (pcmdev > 0)
2077                 sprintf(hdmi_str + strlen(hdmi_str), ",pcm=%d", pcmdev);
2078         if (!is_jack_detectable(codec, per_pin->pin_nid))
2079                 strncat(hdmi_str, " Phantom",
2080                         sizeof(hdmi_str) - strlen(hdmi_str) - 1);
2081
2082         return snd_hda_jack_add_kctl(codec, per_pin->pin_nid, hdmi_str);
2083 }
2084
2085 static int generic_hdmi_build_controls(struct hda_codec *codec)
2086 {
2087         struct hdmi_spec *spec = codec->spec;
2088         int err;
2089         int pin_idx;
2090
2091         for (pin_idx = 0; pin_idx < spec->num_pins; pin_idx++) {
2092                 struct hdmi_spec_per_pin *per_pin = get_pin(spec, pin_idx);
2093
2094                 err = generic_hdmi_build_jack(codec, pin_idx);
2095                 if (err < 0)
2096                         return err;
2097
2098                 err = snd_hda_create_dig_out_ctls(codec,
2099                                                   per_pin->pin_nid,
2100                                                   per_pin->mux_nids[0],
2101                                                   HDA_PCM_TYPE_HDMI);
2102                 if (err < 0)
2103                         return err;
2104                 snd_hda_spdif_ctls_unassign(codec, pin_idx);
2105
2106                 /* add control for ELD Bytes */
2107                 err = hdmi_create_eld_ctl(codec, pin_idx,
2108                                           get_pcm_rec(spec, pin_idx)->device);
2109
2110                 if (err < 0)
2111                         return err;
2112
2113                 hdmi_present_sense(per_pin, 0);
2114         }
2115
2116         /* add channel maps */
2117         for (pin_idx = 0; pin_idx < spec->num_pins; pin_idx++) {
2118                 struct hda_pcm *pcm;
2119                 struct snd_pcm_chmap *chmap;
2120                 struct snd_kcontrol *kctl;
2121                 int i;
2122
2123                 pcm = spec->pcm_rec[pin_idx];
2124                 if (!pcm || !pcm->pcm)
2125                         break;
2126                 err = snd_pcm_add_chmap_ctls(pcm->pcm,
2127                                              SNDRV_PCM_STREAM_PLAYBACK,
2128                                              NULL, 0, pin_idx, &chmap);
2129                 if (err < 0)
2130                         return err;
2131                 /* override handlers */
2132                 chmap->private_data = codec;
2133                 kctl = chmap->kctl;
2134                 for (i = 0; i < kctl->count; i++)
2135                         kctl->vd[i].access |= SNDRV_CTL_ELEM_ACCESS_WRITE;
2136                 kctl->info = hdmi_chmap_ctl_info;
2137                 kctl->get = hdmi_chmap_ctl_get;
2138                 kctl->put = hdmi_chmap_ctl_put;
2139                 kctl->tlv.c = hdmi_chmap_ctl_tlv;
2140         }
2141
2142         return 0;
2143 }
2144
2145 static int generic_hdmi_init_per_pins(struct hda_codec *codec)
2146 {
2147         struct hdmi_spec *spec = codec->spec;
2148         int pin_idx;
2149
2150         for (pin_idx = 0; pin_idx < spec->num_pins; pin_idx++) {
2151                 struct hdmi_spec_per_pin *per_pin = get_pin(spec, pin_idx);
2152
2153                 per_pin->codec = codec;
2154                 mutex_init(&per_pin->lock);
2155                 INIT_DELAYED_WORK(&per_pin->work, hdmi_repoll_eld);
2156                 eld_proc_new(per_pin, pin_idx);
2157         }
2158         return 0;
2159 }
2160
2161 static int generic_hdmi_init(struct hda_codec *codec)
2162 {
2163         struct hdmi_spec *spec = codec->spec;
2164         int pin_idx;
2165
2166         for (pin_idx = 0; pin_idx < spec->num_pins; pin_idx++) {
2167                 struct hdmi_spec_per_pin *per_pin = get_pin(spec, pin_idx);
2168                 hda_nid_t pin_nid = per_pin->pin_nid;
2169
2170                 hdmi_init_pin(codec, pin_nid);
2171                 snd_hda_jack_detect_enable_callback(codec, pin_nid,
2172                         codec->jackpoll_interval > 0 ? jack_callback : NULL);
2173         }
2174         return 0;
2175 }
2176
2177 static void hdmi_array_init(struct hdmi_spec *spec, int nums)
2178 {
2179         snd_array_init(&spec->pins, sizeof(struct hdmi_spec_per_pin), nums);
2180         snd_array_init(&spec->cvts, sizeof(struct hdmi_spec_per_cvt), nums);
2181 }
2182
2183 static void hdmi_array_free(struct hdmi_spec *spec)
2184 {
2185         snd_array_free(&spec->pins);
2186         snd_array_free(&spec->cvts);
2187 }
2188
2189 static void generic_hdmi_free(struct hda_codec *codec)
2190 {
2191         struct hdmi_spec *spec = codec->spec;
2192         int pin_idx;
2193
2194         for (pin_idx = 0; pin_idx < spec->num_pins; pin_idx++) {
2195                 struct hdmi_spec_per_pin *per_pin = get_pin(spec, pin_idx);
2196
2197                 cancel_delayed_work_sync(&per_pin->work);
2198                 eld_proc_free(per_pin);
2199         }
2200
2201         hdmi_array_free(spec);
2202         kfree(spec);
2203 }
2204
2205 #ifdef CONFIG_PM
2206 static int generic_hdmi_resume(struct hda_codec *codec)
2207 {
2208         struct hdmi_spec *spec = codec->spec;
2209         int pin_idx;
2210
2211         codec->patch_ops.init(codec);
2212         regcache_sync(codec->core.regmap);
2213
2214         for (pin_idx = 0; pin_idx < spec->num_pins; pin_idx++) {
2215                 struct hdmi_spec_per_pin *per_pin = get_pin(spec, pin_idx);
2216                 hdmi_present_sense(per_pin, 1);
2217         }
2218         return 0;
2219 }
2220 #endif
2221
2222 static const struct hda_codec_ops generic_hdmi_patch_ops = {
2223         .init                   = generic_hdmi_init,
2224         .free                   = generic_hdmi_free,
2225         .build_pcms             = generic_hdmi_build_pcms,
2226         .build_controls         = generic_hdmi_build_controls,
2227         .unsol_event            = hdmi_unsol_event,
2228 #ifdef CONFIG_PM
2229         .resume                 = generic_hdmi_resume,
2230 #endif
2231 };
2232
2233 static const struct hdmi_ops generic_standard_hdmi_ops = {
2234         .pin_get_eld                            = snd_hdmi_get_eld,
2235         .pin_get_slot_channel                   = hdmi_pin_get_slot_channel,
2236         .pin_set_slot_channel                   = hdmi_pin_set_slot_channel,
2237         .pin_setup_infoframe                    = hdmi_pin_setup_infoframe,
2238         .pin_hbr_setup                          = hdmi_pin_hbr_setup,
2239         .setup_stream                           = hdmi_setup_stream,
2240         .chmap_cea_alloc_validate_get_type      = hdmi_chmap_cea_alloc_validate_get_type,
2241         .cea_alloc_to_tlv_chmap                 = hdmi_cea_alloc_to_tlv_chmap,
2242 };
2243
2244
2245 static void intel_haswell_fixup_connect_list(struct hda_codec *codec,
2246                                              hda_nid_t nid)
2247 {
2248         struct hdmi_spec *spec = codec->spec;
2249         hda_nid_t conns[4];
2250         int nconns;
2251
2252         nconns = snd_hda_get_connections(codec, nid, conns, ARRAY_SIZE(conns));
2253         if (nconns == spec->num_cvts &&
2254             !memcmp(conns, spec->cvt_nids, spec->num_cvts * sizeof(hda_nid_t)))
2255                 return;
2256
2257         /* override pins connection list */
2258         codec_dbg(codec, "hdmi: haswell: override pin connection 0x%x\n", nid);
2259         snd_hda_override_conn_list(codec, nid, spec->num_cvts, spec->cvt_nids);
2260 }
2261
2262 #define INTEL_VENDOR_NID 0x08
2263 #define INTEL_GET_VENDOR_VERB 0xf81
2264 #define INTEL_SET_VENDOR_VERB 0x781
2265 #define INTEL_EN_DP12                   0x02 /* enable DP 1.2 features */
2266 #define INTEL_EN_ALL_PIN_CVTS   0x01 /* enable 2nd & 3rd pins and convertors */
2267
2268 static void intel_haswell_enable_all_pins(struct hda_codec *codec,
2269                                           bool update_tree)
2270 {
2271         unsigned int vendor_param;
2272
2273         vendor_param = snd_hda_codec_read(codec, INTEL_VENDOR_NID, 0,
2274                                 INTEL_GET_VENDOR_VERB, 0);
2275         if (vendor_param == -1 || vendor_param & INTEL_EN_ALL_PIN_CVTS)
2276                 return;
2277
2278         vendor_param |= INTEL_EN_ALL_PIN_CVTS;
2279         vendor_param = snd_hda_codec_read(codec, INTEL_VENDOR_NID, 0,
2280                                 INTEL_SET_VENDOR_VERB, vendor_param);
2281         if (vendor_param == -1)
2282                 return;
2283
2284         if (update_tree)
2285                 snd_hda_codec_update_widgets(codec);
2286 }
2287
2288 static void intel_haswell_fixup_enable_dp12(struct hda_codec *codec)
2289 {
2290         unsigned int vendor_param;
2291
2292         vendor_param = snd_hda_codec_read(codec, INTEL_VENDOR_NID, 0,
2293                                 INTEL_GET_VENDOR_VERB, 0);
2294         if (vendor_param == -1 || vendor_param & INTEL_EN_DP12)
2295                 return;
2296
2297         /* enable DP1.2 mode */
2298         vendor_param |= INTEL_EN_DP12;
2299         snd_hdac_regmap_add_vendor_verb(&codec->core, INTEL_SET_VENDOR_VERB);
2300         snd_hda_codec_write_cache(codec, INTEL_VENDOR_NID, 0,
2301                                 INTEL_SET_VENDOR_VERB, vendor_param);
2302 }
2303
2304 /* Haswell needs to re-issue the vendor-specific verbs before turning to D0.
2305  * Otherwise you may get severe h/w communication errors.
2306  */
2307 static void haswell_set_power_state(struct hda_codec *codec, hda_nid_t fg,
2308                                 unsigned int power_state)
2309 {
2310         if (power_state == AC_PWRST_D0) {
2311                 intel_haswell_enable_all_pins(codec, false);
2312                 intel_haswell_fixup_enable_dp12(codec);
2313         }
2314
2315         snd_hda_codec_read(codec, fg, 0, AC_VERB_SET_POWER_STATE, power_state);
2316         snd_hda_codec_set_power_to_all(codec, fg, power_state);
2317 }
2318
2319 static int patch_generic_hdmi(struct hda_codec *codec)
2320 {
2321         struct hdmi_spec *spec;
2322
2323         spec = kzalloc(sizeof(*spec), GFP_KERNEL);
2324         if (spec == NULL)
2325                 return -ENOMEM;
2326
2327         spec->ops = generic_standard_hdmi_ops;
2328         codec->spec = spec;
2329         hdmi_array_init(spec, 4);
2330
2331         if (is_haswell_plus(codec)) {
2332                 intel_haswell_enable_all_pins(codec, true);
2333                 intel_haswell_fixup_enable_dp12(codec);
2334         }
2335
2336         /* For Valleyview/Cherryview, only the display codec is in the display
2337          * power well and can use link_power ops to request/release the power.
2338          * For Haswell/Broadwell, the controller is also in the power well and
2339          * can cover the codec power request, and so need not set this flag.
2340          * For previous platforms, there is no such power well feature.
2341          */
2342         if (is_valleyview_plus(codec) || is_skylake(codec))
2343                 codec->core.link_power_control = 1;
2344
2345         if (is_haswell_plus(codec) || is_valleyview_plus(codec))
2346                 codec->depop_delay = 0;
2347
2348         if (hdmi_parse_codec(codec) < 0) {
2349                 codec->spec = NULL;
2350                 kfree(spec);
2351                 return -EINVAL;
2352         }
2353         codec->patch_ops = generic_hdmi_patch_ops;
2354         if (is_haswell_plus(codec)) {
2355                 codec->patch_ops.set_power_state = haswell_set_power_state;
2356                 codec->dp_mst = true;
2357         }
2358
2359         /* Enable runtime pm for HDMI audio codec of HSW/BDW/SKL/BYT/BSW */
2360         if (is_haswell_plus(codec) || is_valleyview_plus(codec))
2361                 codec->auto_runtime_pm = 1;
2362
2363         generic_hdmi_init_per_pins(codec);
2364
2365         init_channel_allocations();
2366
2367         return 0;
2368 }
2369
2370 /*
2371  * Shared non-generic implementations
2372  */
2373
2374 static int simple_playback_build_pcms(struct hda_codec *codec)
2375 {
2376         struct hdmi_spec *spec = codec->spec;
2377         struct hda_pcm *info;
2378         unsigned int chans;
2379         struct hda_pcm_stream *pstr;
2380         struct hdmi_spec_per_cvt *per_cvt;
2381
2382         per_cvt = get_cvt(spec, 0);
2383         chans = get_wcaps(codec, per_cvt->cvt_nid);
2384         chans = get_wcaps_channels(chans);
2385
2386         info = snd_hda_codec_pcm_new(codec, "HDMI 0");
2387         if (!info)
2388                 return -ENOMEM;
2389         spec->pcm_rec[0] = info;
2390         info->pcm_type = HDA_PCM_TYPE_HDMI;
2391         pstr = &info->stream[SNDRV_PCM_STREAM_PLAYBACK];
2392         *pstr = spec->pcm_playback;
2393         pstr->nid = per_cvt->cvt_nid;
2394         if (pstr->channels_max <= 2 && chans && chans <= 16)
2395                 pstr->channels_max = chans;
2396
2397         return 0;
2398 }
2399
2400 /* unsolicited event for jack sensing */
2401 static void simple_hdmi_unsol_event(struct hda_codec *codec,
2402                                     unsigned int res)
2403 {
2404         snd_hda_jack_set_dirty_all(codec);
2405         snd_hda_jack_report_sync(codec);
2406 }
2407
2408 /* generic_hdmi_build_jack can be used for simple_hdmi, too,
2409  * as long as spec->pins[] is set correctly
2410  */
2411 #define simple_hdmi_build_jack  generic_hdmi_build_jack
2412
2413 static int simple_playback_build_controls(struct hda_codec *codec)
2414 {
2415         struct hdmi_spec *spec = codec->spec;
2416         struct hdmi_spec_per_cvt *per_cvt;
2417         int err;
2418
2419         per_cvt = get_cvt(spec, 0);
2420         err = snd_hda_create_dig_out_ctls(codec, per_cvt->cvt_nid,
2421                                           per_cvt->cvt_nid,
2422                                           HDA_PCM_TYPE_HDMI);
2423         if (err < 0)
2424                 return err;
2425         return simple_hdmi_build_jack(codec, 0);
2426 }
2427
2428 static int simple_playback_init(struct hda_codec *codec)
2429 {
2430         struct hdmi_spec *spec = codec->spec;
2431         struct hdmi_spec_per_pin *per_pin = get_pin(spec, 0);
2432         hda_nid_t pin = per_pin->pin_nid;
2433
2434         snd_hda_codec_write(codec, pin, 0,
2435                             AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_OUT);
2436         /* some codecs require to unmute the pin */
2437         if (get_wcaps(codec, pin) & AC_WCAP_OUT_AMP)
2438                 snd_hda_codec_write(codec, pin, 0, AC_VERB_SET_AMP_GAIN_MUTE,
2439                                     AMP_OUT_UNMUTE);
2440         snd_hda_jack_detect_enable(codec, pin);
2441         return 0;
2442 }
2443
2444 static void simple_playback_free(struct hda_codec *codec)
2445 {
2446         struct hdmi_spec *spec = codec->spec;
2447
2448         hdmi_array_free(spec);
2449         kfree(spec);
2450 }
2451
2452 /*
2453  * Nvidia specific implementations
2454  */
2455
2456 #define Nv_VERB_SET_Channel_Allocation          0xF79
2457 #define Nv_VERB_SET_Info_Frame_Checksum         0xF7A
2458 #define Nv_VERB_SET_Audio_Protection_On         0xF98
2459 #define Nv_VERB_SET_Audio_Protection_Off        0xF99
2460
2461 #define nvhdmi_master_con_nid_7x        0x04
2462 #define nvhdmi_master_pin_nid_7x        0x05
2463
2464 static const hda_nid_t nvhdmi_con_nids_7x[4] = {
2465         /*front, rear, clfe, rear_surr */
2466         0x6, 0x8, 0xa, 0xc,
2467 };
2468
2469 static const struct hda_verb nvhdmi_basic_init_7x_2ch[] = {
2470         /* set audio protect on */
2471         { 0x1, Nv_VERB_SET_Audio_Protection_On, 0x1},
2472         /* enable digital output on pin widget */
2473         { 0x5, AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_OUT | 0x5 },
2474         {} /* terminator */
2475 };
2476
2477 static const struct hda_verb nvhdmi_basic_init_7x_8ch[] = {
2478         /* set audio protect on */
2479         { 0x1, Nv_VERB_SET_Audio_Protection_On, 0x1},
2480         /* enable digital output on pin widget */
2481         { 0x5, AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_OUT | 0x5 },
2482         { 0x7, AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_OUT | 0x5 },
2483         { 0x9, AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_OUT | 0x5 },
2484         { 0xb, AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_OUT | 0x5 },
2485         { 0xd, AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_OUT | 0x5 },
2486         {} /* terminator */
2487 };
2488
2489 #ifdef LIMITED_RATE_FMT_SUPPORT
2490 /* support only the safe format and rate */
2491 #define SUPPORTED_RATES         SNDRV_PCM_RATE_48000
2492 #define SUPPORTED_MAXBPS        16
2493 #define SUPPORTED_FORMATS       SNDRV_PCM_FMTBIT_S16_LE
2494 #else
2495 /* support all rates and formats */
2496 #define SUPPORTED_RATES \
2497         (SNDRV_PCM_RATE_32000 | SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_48000 |\
2498         SNDRV_PCM_RATE_88200 | SNDRV_PCM_RATE_96000 | SNDRV_PCM_RATE_176400 |\
2499          SNDRV_PCM_RATE_192000)
2500 #define SUPPORTED_MAXBPS        24
2501 #define SUPPORTED_FORMATS \
2502         (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S32_LE)
2503 #endif
2504
2505 static int nvhdmi_7x_init_2ch(struct hda_codec *codec)
2506 {
2507         snd_hda_sequence_write(codec, nvhdmi_basic_init_7x_2ch);
2508         return 0;
2509 }
2510
2511 static int nvhdmi_7x_init_8ch(struct hda_codec *codec)
2512 {
2513         snd_hda_sequence_write(codec, nvhdmi_basic_init_7x_8ch);
2514         return 0;
2515 }
2516
2517 static unsigned int channels_2_6_8[] = {
2518         2, 6, 8
2519 };
2520
2521 static unsigned int channels_2_8[] = {
2522         2, 8
2523 };
2524
2525 static struct snd_pcm_hw_constraint_list hw_constraints_2_6_8_channels = {
2526         .count = ARRAY_SIZE(channels_2_6_8),
2527         .list = channels_2_6_8,
2528         .mask = 0,
2529 };
2530
2531 static struct snd_pcm_hw_constraint_list hw_constraints_2_8_channels = {
2532         .count = ARRAY_SIZE(channels_2_8),
2533         .list = channels_2_8,
2534         .mask = 0,
2535 };
2536
2537 static int simple_playback_pcm_open(struct hda_pcm_stream *hinfo,
2538                                     struct hda_codec *codec,
2539                                     struct snd_pcm_substream *substream)
2540 {
2541         struct hdmi_spec *spec = codec->spec;
2542         struct snd_pcm_hw_constraint_list *hw_constraints_channels = NULL;
2543
2544         switch (codec->preset->id) {
2545         case 0x10de0002:
2546         case 0x10de0003:
2547         case 0x10de0005:
2548         case 0x10de0006:
2549                 hw_constraints_channels = &hw_constraints_2_8_channels;
2550                 break;
2551         case 0x10de0007:
2552                 hw_constraints_channels = &hw_constraints_2_6_8_channels;
2553                 break;
2554         default:
2555                 break;
2556         }
2557
2558         if (hw_constraints_channels != NULL) {
2559                 snd_pcm_hw_constraint_list(substream->runtime, 0,
2560                                 SNDRV_PCM_HW_PARAM_CHANNELS,
2561                                 hw_constraints_channels);
2562         } else {
2563                 snd_pcm_hw_constraint_step(substream->runtime, 0,
2564                                            SNDRV_PCM_HW_PARAM_CHANNELS, 2);
2565         }
2566
2567         return snd_hda_multi_out_dig_open(codec, &spec->multiout);
2568 }
2569
2570 static int simple_playback_pcm_close(struct hda_pcm_stream *hinfo,
2571                                      struct hda_codec *codec,
2572                                      struct snd_pcm_substream *substream)
2573 {
2574         struct hdmi_spec *spec = codec->spec;
2575         return snd_hda_multi_out_dig_close(codec, &spec->multiout);
2576 }
2577
2578 static int simple_playback_pcm_prepare(struct hda_pcm_stream *hinfo,
2579                                        struct hda_codec *codec,
2580                                        unsigned int stream_tag,
2581                                        unsigned int format,
2582                                        struct snd_pcm_substream *substream)
2583 {
2584         struct hdmi_spec *spec = codec->spec;
2585         return snd_hda_multi_out_dig_prepare(codec, &spec->multiout,
2586                                              stream_tag, format, substream);
2587 }
2588
2589 static const struct hda_pcm_stream simple_pcm_playback = {
2590         .substreams = 1,
2591         .channels_min = 2,
2592         .channels_max = 2,
2593         .ops = {
2594                 .open = simple_playback_pcm_open,
2595                 .close = simple_playback_pcm_close,
2596                 .prepare = simple_playback_pcm_prepare
2597         },
2598 };
2599
2600 static const struct hda_codec_ops simple_hdmi_patch_ops = {
2601         .build_controls = simple_playback_build_controls,
2602         .build_pcms = simple_playback_build_pcms,
2603         .init = simple_playback_init,
2604         .free = simple_playback_free,
2605         .unsol_event = simple_hdmi_unsol_event,
2606 };
2607
2608 static int patch_simple_hdmi(struct hda_codec *codec,
2609                              hda_nid_t cvt_nid, hda_nid_t pin_nid)
2610 {
2611         struct hdmi_spec *spec;
2612         struct hdmi_spec_per_cvt *per_cvt;
2613         struct hdmi_spec_per_pin *per_pin;
2614
2615         spec = kzalloc(sizeof(*spec), GFP_KERNEL);
2616         if (!spec)
2617                 return -ENOMEM;
2618
2619         codec->spec = spec;
2620         hdmi_array_init(spec, 1);
2621
2622         spec->multiout.num_dacs = 0;  /* no analog */
2623         spec->multiout.max_channels = 2;
2624         spec->multiout.dig_out_nid = cvt_nid;
2625         spec->num_cvts = 1;
2626         spec->num_pins = 1;
2627         per_pin = snd_array_new(&spec->pins);
2628         per_cvt = snd_array_new(&spec->cvts);
2629         if (!per_pin || !per_cvt) {
2630                 simple_playback_free(codec);
2631                 return -ENOMEM;
2632         }
2633         per_cvt->cvt_nid = cvt_nid;
2634         per_pin->pin_nid = pin_nid;
2635         spec->pcm_playback = simple_pcm_playback;
2636
2637         codec->patch_ops = simple_hdmi_patch_ops;
2638
2639         return 0;
2640 }
2641
2642 static void nvhdmi_8ch_7x_set_info_frame_parameters(struct hda_codec *codec,
2643                                                     int channels)
2644 {
2645         unsigned int chanmask;
2646         int chan = channels ? (channels - 1) : 1;
2647
2648         switch (channels) {
2649         default:
2650         case 0:
2651         case 2:
2652                 chanmask = 0x00;
2653                 break;
2654         case 4:
2655                 chanmask = 0x08;
2656                 break;
2657         case 6:
2658                 chanmask = 0x0b;
2659                 break;
2660         case 8:
2661                 chanmask = 0x13;
2662                 break;
2663         }
2664
2665         /* Set the audio infoframe channel allocation and checksum fields.  The
2666          * channel count is computed implicitly by the hardware. */
2667         snd_hda_codec_write(codec, 0x1, 0,
2668                         Nv_VERB_SET_Channel_Allocation, chanmask);
2669
2670         snd_hda_codec_write(codec, 0x1, 0,
2671                         Nv_VERB_SET_Info_Frame_Checksum,
2672                         (0x71 - chan - chanmask));
2673 }
2674
2675 static int nvhdmi_8ch_7x_pcm_close(struct hda_pcm_stream *hinfo,
2676                                    struct hda_codec *codec,
2677                                    struct snd_pcm_substream *substream)
2678 {
2679         struct hdmi_spec *spec = codec->spec;
2680         int i;
2681
2682         snd_hda_codec_write(codec, nvhdmi_master_con_nid_7x,
2683                         0, AC_VERB_SET_CHANNEL_STREAMID, 0);
2684         for (i = 0; i < 4; i++) {
2685                 /* set the stream id */
2686                 snd_hda_codec_write(codec, nvhdmi_con_nids_7x[i], 0,
2687                                 AC_VERB_SET_CHANNEL_STREAMID, 0);
2688                 /* set the stream format */
2689                 snd_hda_codec_write(codec, nvhdmi_con_nids_7x[i], 0,
2690                                 AC_VERB_SET_STREAM_FORMAT, 0);
2691         }
2692
2693         /* The audio hardware sends a channel count of 0x7 (8ch) when all the
2694          * streams are disabled. */
2695         nvhdmi_8ch_7x_set_info_frame_parameters(codec, 8);
2696
2697         return snd_hda_multi_out_dig_close(codec, &spec->multiout);
2698 }
2699
2700 static int nvhdmi_8ch_7x_pcm_prepare(struct hda_pcm_stream *hinfo,
2701                                      struct hda_codec *codec,
2702                                      unsigned int stream_tag,
2703                                      unsigned int format,
2704                                      struct snd_pcm_substream *substream)
2705 {
2706         int chs;
2707         unsigned int dataDCC2, channel_id;
2708         int i;
2709         struct hdmi_spec *spec = codec->spec;
2710         struct hda_spdif_out *spdif;
2711         struct hdmi_spec_per_cvt *per_cvt;
2712
2713         mutex_lock(&codec->spdif_mutex);
2714         per_cvt = get_cvt(spec, 0);
2715         spdif = snd_hda_spdif_out_of_nid(codec, per_cvt->cvt_nid);
2716
2717         chs = substream->runtime->channels;
2718
2719         dataDCC2 = 0x2;
2720
2721         /* turn off SPDIF once; otherwise the IEC958 bits won't be updated */
2722         if (codec->spdif_status_reset && (spdif->ctls & AC_DIG1_ENABLE))
2723                 snd_hda_codec_write(codec,
2724                                 nvhdmi_master_con_nid_7x,
2725                                 0,
2726                                 AC_VERB_SET_DIGI_CONVERT_1,
2727                                 spdif->ctls & ~AC_DIG1_ENABLE & 0xff);
2728
2729         /* set the stream id */
2730         snd_hda_codec_write(codec, nvhdmi_master_con_nid_7x, 0,
2731                         AC_VERB_SET_CHANNEL_STREAMID, (stream_tag << 4) | 0x0);
2732
2733         /* set the stream format */
2734         snd_hda_codec_write(codec, nvhdmi_master_con_nid_7x, 0,
2735                         AC_VERB_SET_STREAM_FORMAT, format);
2736
2737         /* turn on again (if needed) */
2738         /* enable and set the channel status audio/data flag */
2739         if (codec->spdif_status_reset && (spdif->ctls & AC_DIG1_ENABLE)) {
2740                 snd_hda_codec_write(codec,
2741                                 nvhdmi_master_con_nid_7x,
2742                                 0,
2743                                 AC_VERB_SET_DIGI_CONVERT_1,
2744                                 spdif->ctls & 0xff);
2745                 snd_hda_codec_write(codec,
2746                                 nvhdmi_master_con_nid_7x,
2747                                 0,
2748                                 AC_VERB_SET_DIGI_CONVERT_2, dataDCC2);
2749         }
2750
2751         for (i = 0; i < 4; i++) {
2752                 if (chs == 2)
2753                         channel_id = 0;
2754                 else
2755                         channel_id = i * 2;
2756
2757                 /* turn off SPDIF once;
2758                  *otherwise the IEC958 bits won't be updated
2759                  */
2760                 if (codec->spdif_status_reset &&
2761                 (spdif->ctls & AC_DIG1_ENABLE))
2762                         snd_hda_codec_write(codec,
2763                                 nvhdmi_con_nids_7x[i],
2764                                 0,
2765                                 AC_VERB_SET_DIGI_CONVERT_1,
2766                                 spdif->ctls & ~AC_DIG1_ENABLE & 0xff);
2767                 /* set the stream id */
2768                 snd_hda_codec_write(codec,
2769                                 nvhdmi_con_nids_7x[i],
2770                                 0,
2771                                 AC_VERB_SET_CHANNEL_STREAMID,
2772                                 (stream_tag << 4) | channel_id);
2773                 /* set the stream format */
2774                 snd_hda_codec_write(codec,
2775                                 nvhdmi_con_nids_7x[i],
2776                                 0,
2777                                 AC_VERB_SET_STREAM_FORMAT,
2778                                 format);
2779                 /* turn on again (if needed) */
2780                 /* enable and set the channel status audio/data flag */
2781                 if (codec->spdif_status_reset &&
2782                 (spdif->ctls & AC_DIG1_ENABLE)) {
2783                         snd_hda_codec_write(codec,
2784                                         nvhdmi_con_nids_7x[i],
2785                                         0,
2786                                         AC_VERB_SET_DIGI_CONVERT_1,
2787                                         spdif->ctls & 0xff);
2788                         snd_hda_codec_write(codec,
2789                                         nvhdmi_con_nids_7x[i],
2790                                         0,
2791                                         AC_VERB_SET_DIGI_CONVERT_2, dataDCC2);
2792                 }
2793         }
2794
2795         nvhdmi_8ch_7x_set_info_frame_parameters(codec, chs);
2796
2797         mutex_unlock(&codec->spdif_mutex);
2798         return 0;
2799 }
2800
2801 static const struct hda_pcm_stream nvhdmi_pcm_playback_8ch_7x = {
2802         .substreams = 1,
2803         .channels_min = 2,
2804         .channels_max = 8,
2805         .nid = nvhdmi_master_con_nid_7x,
2806         .rates = SUPPORTED_RATES,
2807         .maxbps = SUPPORTED_MAXBPS,
2808         .formats = SUPPORTED_FORMATS,
2809         .ops = {
2810                 .open = simple_playback_pcm_open,
2811                 .close = nvhdmi_8ch_7x_pcm_close,
2812                 .prepare = nvhdmi_8ch_7x_pcm_prepare
2813         },
2814 };
2815
2816 static int patch_nvhdmi_2ch(struct hda_codec *codec)
2817 {
2818         struct hdmi_spec *spec;
2819         int err = patch_simple_hdmi(codec, nvhdmi_master_con_nid_7x,
2820                                     nvhdmi_master_pin_nid_7x);
2821         if (err < 0)
2822                 return err;
2823
2824         codec->patch_ops.init = nvhdmi_7x_init_2ch;
2825         /* override the PCM rates, etc, as the codec doesn't give full list */
2826         spec = codec->spec;
2827         spec->pcm_playback.rates = SUPPORTED_RATES;
2828         spec->pcm_playback.maxbps = SUPPORTED_MAXBPS;
2829         spec->pcm_playback.formats = SUPPORTED_FORMATS;
2830         return 0;
2831 }
2832
2833 static int nvhdmi_7x_8ch_build_pcms(struct hda_codec *codec)
2834 {
2835         struct hdmi_spec *spec = codec->spec;
2836         int err = simple_playback_build_pcms(codec);
2837         if (!err) {
2838                 struct hda_pcm *info = get_pcm_rec(spec, 0);
2839                 info->own_chmap = true;
2840         }
2841         return err;
2842 }
2843
2844 static int nvhdmi_7x_8ch_build_controls(struct hda_codec *codec)
2845 {
2846         struct hdmi_spec *spec = codec->spec;
2847         struct hda_pcm *info;
2848         struct snd_pcm_chmap *chmap;
2849         int err;
2850
2851         err = simple_playback_build_controls(codec);
2852         if (err < 0)
2853                 return err;
2854
2855         /* add channel maps */
2856         info = get_pcm_rec(spec, 0);
2857         err = snd_pcm_add_chmap_ctls(info->pcm,
2858                                      SNDRV_PCM_STREAM_PLAYBACK,
2859                                      snd_pcm_alt_chmaps, 8, 0, &chmap);
2860         if (err < 0)
2861                 return err;
2862         switch (codec->preset->id) {
2863         case 0x10de0002:
2864         case 0x10de0003:
2865         case 0x10de0005:
2866         case 0x10de0006:
2867                 chmap->channel_mask = (1U << 2) | (1U << 8);
2868                 break;
2869         case 0x10de0007:
2870                 chmap->channel_mask = (1U << 2) | (1U << 6) | (1U << 8);
2871         }
2872         return 0;
2873 }
2874
2875 static int patch_nvhdmi_8ch_7x(struct hda_codec *codec)
2876 {
2877         struct hdmi_spec *spec;
2878         int err = patch_nvhdmi_2ch(codec);
2879         if (err < 0)
2880                 return err;
2881         spec = codec->spec;
2882         spec->multiout.max_channels = 8;
2883         spec->pcm_playback = nvhdmi_pcm_playback_8ch_7x;
2884         codec->patch_ops.init = nvhdmi_7x_init_8ch;
2885         codec->patch_ops.build_pcms = nvhdmi_7x_8ch_build_pcms;
2886         codec->patch_ops.build_controls = nvhdmi_7x_8ch_build_controls;
2887
2888         /* Initialize the audio infoframe channel mask and checksum to something
2889          * valid */
2890         nvhdmi_8ch_7x_set_info_frame_parameters(codec, 8);
2891
2892         return 0;
2893 }
2894
2895 /*
2896  * NVIDIA codecs ignore ASP mapping for 2ch - confirmed on:
2897  * - 0x10de0015
2898  * - 0x10de0040
2899  */
2900 static int nvhdmi_chmap_cea_alloc_validate_get_type(struct cea_channel_speaker_allocation *cap,
2901                                                     int channels)
2902 {
2903         if (cap->ca_index == 0x00 && channels == 2)
2904                 return SNDRV_CTL_TLVT_CHMAP_FIXED;
2905
2906         return hdmi_chmap_cea_alloc_validate_get_type(cap, channels);
2907 }
2908
2909 static int nvhdmi_chmap_validate(int ca, int chs, unsigned char *map)
2910 {
2911         if (ca == 0x00 && (map[0] != SNDRV_CHMAP_FL || map[1] != SNDRV_CHMAP_FR))
2912                 return -EINVAL;
2913
2914         return 0;
2915 }
2916
2917 static int patch_nvhdmi(struct hda_codec *codec)
2918 {
2919         struct hdmi_spec *spec;
2920         int err;
2921
2922         err = patch_generic_hdmi(codec);
2923         if (err)
2924                 return err;
2925
2926         spec = codec->spec;
2927         spec->dyn_pin_out = true;
2928
2929         spec->ops.chmap_cea_alloc_validate_get_type =
2930                 nvhdmi_chmap_cea_alloc_validate_get_type;
2931         spec->ops.chmap_validate = nvhdmi_chmap_validate;
2932
2933         return 0;
2934 }
2935
2936 /*
2937  * The HDA codec on NVIDIA Tegra contains two scratch registers that are
2938  * accessed using vendor-defined verbs. These registers can be used for
2939  * interoperability between the HDA and HDMI drivers.
2940  */
2941
2942 /* Audio Function Group node */
2943 #define NVIDIA_AFG_NID 0x01
2944
2945 /*
2946  * The SCRATCH0 register is used to notify the HDMI codec of changes in audio
2947  * format. On Tegra, bit 31 is used as a trigger that causes an interrupt to
2948  * be raised in the HDMI codec. The remainder of the bits is arbitrary. This
2949  * implementation stores the HDA format (see AC_FMT_*) in bits [15:0] and an
2950  * additional bit (at position 30) to signal the validity of the format.
2951  *
2952  * | 31      | 30    | 29  16 | 15   0 |
2953  * +---------+-------+--------+--------+
2954  * | TRIGGER | VALID | UNUSED | FORMAT |
2955  * +-----------------------------------|
2956  *
2957  * Note that for the trigger bit to take effect it needs to change value
2958  * (i.e. it needs to be toggled).
2959  */
2960 #define NVIDIA_GET_SCRATCH0             0xfa6
2961 #define NVIDIA_SET_SCRATCH0_BYTE0       0xfa7
2962 #define NVIDIA_SET_SCRATCH0_BYTE1       0xfa8
2963 #define NVIDIA_SET_SCRATCH0_BYTE2       0xfa9
2964 #define NVIDIA_SET_SCRATCH0_BYTE3       0xfaa
2965 #define NVIDIA_SCRATCH_TRIGGER (1 << 7)
2966 #define NVIDIA_SCRATCH_VALID   (1 << 6)
2967
2968 #define NVIDIA_GET_SCRATCH1             0xfab
2969 #define NVIDIA_SET_SCRATCH1_BYTE0       0xfac
2970 #define NVIDIA_SET_SCRATCH1_BYTE1       0xfad
2971 #define NVIDIA_SET_SCRATCH1_BYTE2       0xfae
2972 #define NVIDIA_SET_SCRATCH1_BYTE3       0xfaf
2973
2974 /*
2975  * The format parameter is the HDA audio format (see AC_FMT_*). If set to 0,
2976  * the format is invalidated so that the HDMI codec can be disabled.
2977  */
2978 static void tegra_hdmi_set_format(struct hda_codec *codec, unsigned int format)
2979 {
2980         unsigned int value;
2981
2982         /* bits [31:30] contain the trigger and valid bits */
2983         value = snd_hda_codec_read(codec, NVIDIA_AFG_NID, 0,
2984                                    NVIDIA_GET_SCRATCH0, 0);
2985         value = (value >> 24) & 0xff;
2986
2987         /* bits [15:0] are used to store the HDA format */
2988         snd_hda_codec_write(codec, NVIDIA_AFG_NID, 0,
2989                             NVIDIA_SET_SCRATCH0_BYTE0,
2990                             (format >> 0) & 0xff);
2991         snd_hda_codec_write(codec, NVIDIA_AFG_NID, 0,
2992                             NVIDIA_SET_SCRATCH0_BYTE1,
2993                             (format >> 8) & 0xff);
2994
2995         /* bits [16:24] are unused */
2996         snd_hda_codec_write(codec, NVIDIA_AFG_NID, 0,
2997                             NVIDIA_SET_SCRATCH0_BYTE2, 0);
2998
2999         /*
3000          * Bit 30 signals that the data is valid and hence that HDMI audio can
3001          * be enabled.
3002          */
3003         if (format == 0)
3004                 value &= ~NVIDIA_SCRATCH_VALID;
3005         else
3006                 value |= NVIDIA_SCRATCH_VALID;
3007
3008         /*
3009          * Whenever the trigger bit is toggled, an interrupt is raised in the
3010          * HDMI codec. The HDMI driver will use that as trigger to update its
3011          * configuration.
3012          */
3013         value ^= NVIDIA_SCRATCH_TRIGGER;
3014
3015         snd_hda_codec_write(codec, NVIDIA_AFG_NID, 0,
3016                             NVIDIA_SET_SCRATCH0_BYTE3, value);
3017 }
3018
3019 static int tegra_hdmi_pcm_prepare(struct hda_pcm_stream *hinfo,
3020                                   struct hda_codec *codec,
3021                                   unsigned int stream_tag,
3022                                   unsigned int format,
3023                                   struct snd_pcm_substream *substream)
3024 {
3025         int err;
3026
3027         err = generic_hdmi_playback_pcm_prepare(hinfo, codec, stream_tag,
3028                                                 format, substream);
3029         if (err < 0)
3030                 return err;
3031
3032         /* notify the HDMI codec of the format change */
3033         tegra_hdmi_set_format(codec, format);
3034
3035         return 0;
3036 }
3037
3038 static int tegra_hdmi_pcm_cleanup(struct hda_pcm_stream *hinfo,
3039                                   struct hda_codec *codec,
3040                                   struct snd_pcm_substream *substream)
3041 {
3042         /* invalidate the format in the HDMI codec */
3043         tegra_hdmi_set_format(codec, 0);
3044
3045         return generic_hdmi_playback_pcm_cleanup(hinfo, codec, substream);
3046 }
3047
3048 static struct hda_pcm *hda_find_pcm_by_type(struct hda_codec *codec, int type)
3049 {
3050         struct hdmi_spec *spec = codec->spec;
3051         unsigned int i;
3052
3053         for (i = 0; i < spec->num_pins; i++) {
3054                 struct hda_pcm *pcm = get_pcm_rec(spec, i);
3055
3056                 if (pcm->pcm_type == type)
3057                         return pcm;
3058         }
3059
3060         return NULL;
3061 }
3062
3063 static int tegra_hdmi_build_pcms(struct hda_codec *codec)
3064 {
3065         struct hda_pcm_stream *stream;
3066         struct hda_pcm *pcm;
3067         int err;
3068
3069         err = generic_hdmi_build_pcms(codec);
3070         if (err < 0)
3071                 return err;
3072
3073         pcm = hda_find_pcm_by_type(codec, HDA_PCM_TYPE_HDMI);
3074         if (!pcm)
3075                 return -ENODEV;
3076
3077         /*
3078          * Override ->prepare() and ->cleanup() operations to notify the HDMI
3079          * codec about format changes.
3080          */
3081         stream = &pcm->stream[SNDRV_PCM_STREAM_PLAYBACK];
3082         stream->ops.prepare = tegra_hdmi_pcm_prepare;
3083         stream->ops.cleanup = tegra_hdmi_pcm_cleanup;
3084
3085         return 0;
3086 }
3087
3088 static int patch_tegra_hdmi(struct hda_codec *codec)
3089 {
3090         int err;
3091
3092         err = patch_generic_hdmi(codec);
3093         if (err)
3094                 return err;
3095
3096         codec->patch_ops.build_pcms = tegra_hdmi_build_pcms;
3097
3098         return 0;
3099 }
3100
3101 /*
3102  * ATI/AMD-specific implementations
3103  */
3104
3105 #define is_amdhdmi_rev3_or_later(codec) \
3106         ((codec)->core.vendor_id == 0x1002aa01 && \
3107          ((codec)->core.revision_id & 0xff00) >= 0x0300)
3108 #define has_amd_full_remap_support(codec) is_amdhdmi_rev3_or_later(codec)
3109
3110 /* ATI/AMD specific HDA pin verbs, see the AMD HDA Verbs specification */
3111 #define ATI_VERB_SET_CHANNEL_ALLOCATION 0x771
3112 #define ATI_VERB_SET_DOWNMIX_INFO       0x772
3113 #define ATI_VERB_SET_MULTICHANNEL_01    0x777
3114 #define ATI_VERB_SET_MULTICHANNEL_23    0x778
3115 #define ATI_VERB_SET_MULTICHANNEL_45    0x779
3116 #define ATI_VERB_SET_MULTICHANNEL_67    0x77a
3117 #define ATI_VERB_SET_HBR_CONTROL        0x77c
3118 #define ATI_VERB_SET_MULTICHANNEL_1     0x785
3119 #define ATI_VERB_SET_MULTICHANNEL_3     0x786
3120 #define ATI_VERB_SET_MULTICHANNEL_5     0x787
3121 #define ATI_VERB_SET_MULTICHANNEL_7     0x788
3122 #define ATI_VERB_SET_MULTICHANNEL_MODE  0x789
3123 #define ATI_VERB_GET_CHANNEL_ALLOCATION 0xf71
3124 #define ATI_VERB_GET_DOWNMIX_INFO       0xf72
3125 #define ATI_VERB_GET_MULTICHANNEL_01    0xf77
3126 #define ATI_VERB_GET_MULTICHANNEL_23    0xf78
3127 #define ATI_VERB_GET_MULTICHANNEL_45    0xf79
3128 #define ATI_VERB_GET_MULTICHANNEL_67    0xf7a
3129 #define ATI_VERB_GET_HBR_CONTROL        0xf7c
3130 #define ATI_VERB_GET_MULTICHANNEL_1     0xf85
3131 #define ATI_VERB_GET_MULTICHANNEL_3     0xf86
3132 #define ATI_VERB_GET_MULTICHANNEL_5     0xf87
3133 #define ATI_VERB_GET_MULTICHANNEL_7     0xf88
3134 #define ATI_VERB_GET_MULTICHANNEL_MODE  0xf89
3135
3136 /* AMD specific HDA cvt verbs */
3137 #define ATI_VERB_SET_RAMP_RATE          0x770
3138 #define ATI_VERB_GET_RAMP_RATE          0xf70
3139
3140 #define ATI_OUT_ENABLE 0x1
3141
3142 #define ATI_MULTICHANNEL_MODE_PAIRED    0
3143 #define ATI_MULTICHANNEL_MODE_SINGLE    1
3144
3145 #define ATI_HBR_CAPABLE 0x01
3146 #define ATI_HBR_ENABLE 0x10
3147
3148 static int atihdmi_pin_get_eld(struct hda_codec *codec, hda_nid_t nid,
3149                            unsigned char *buf, int *eld_size)
3150 {
3151         /* call hda_eld.c ATI/AMD-specific function */
3152         return snd_hdmi_get_eld_ati(codec, nid, buf, eld_size,
3153                                     is_amdhdmi_rev3_or_later(codec));
3154 }
3155
3156 static void atihdmi_pin_setup_infoframe(struct hda_codec *codec, hda_nid_t pin_nid, int ca,
3157                                         int active_channels, int conn_type)
3158 {
3159         snd_hda_codec_write(codec, pin_nid, 0, ATI_VERB_SET_CHANNEL_ALLOCATION, ca);
3160 }
3161
3162 static int atihdmi_paired_swap_fc_lfe(int pos)
3163 {
3164         /*
3165          * ATI/AMD have automatic FC/LFE swap built-in
3166          * when in pairwise mapping mode.
3167          */
3168
3169         switch (pos) {
3170                 /* see channel_allocations[].speakers[] */
3171                 case 2: return 3;
3172                 case 3: return 2;
3173                 default: break;
3174         }
3175
3176         return pos;
3177 }
3178
3179 static int atihdmi_paired_chmap_validate(int ca, int chs, unsigned char *map)
3180 {
3181         struct cea_channel_speaker_allocation *cap;
3182         int i, j;
3183
3184         /* check that only channel pairs need to be remapped on old pre-rev3 ATI/AMD */
3185
3186         cap = &channel_allocations[get_channel_allocation_order(ca)];
3187         for (i = 0; i < chs; ++i) {
3188                 int mask = to_spk_mask(map[i]);
3189                 bool ok = false;
3190                 bool companion_ok = false;
3191
3192                 if (!mask)
3193                         continue;
3194
3195                 for (j = 0 + i % 2; j < 8; j += 2) {
3196                         int chan_idx = 7 - atihdmi_paired_swap_fc_lfe(j);
3197                         if (cap->speakers[chan_idx] == mask) {
3198                                 /* channel is in a supported position */
3199                                 ok = true;
3200
3201                                 if (i % 2 == 0 && i + 1 < chs) {
3202                                         /* even channel, check the odd companion */
3203                                         int comp_chan_idx = 7 - atihdmi_paired_swap_fc_lfe(j + 1);
3204                                         int comp_mask_req = to_spk_mask(map[i+1]);
3205                                         int comp_mask_act = cap->speakers[comp_chan_idx];
3206
3207                                         if (comp_mask_req == comp_mask_act)
3208                                                 companion_ok = true;
3209                                         else
3210                                                 return -EINVAL;
3211                                 }
3212                                 break;
3213                         }
3214                 }
3215
3216                 if (!ok)
3217                         return -EINVAL;
3218
3219                 if (companion_ok)
3220                         i++; /* companion channel already checked */
3221         }
3222
3223         return 0;
3224 }
3225
3226 static int atihdmi_pin_set_slot_channel(struct hda_codec *codec, hda_nid_t pin_nid,
3227                                         int hdmi_slot, int stream_channel)
3228 {
3229         int verb;
3230         int ati_channel_setup = 0;
3231
3232         if (hdmi_slot > 7)
3233                 return -EINVAL;
3234
3235         if (!has_amd_full_remap_support(codec)) {
3236                 hdmi_slot = atihdmi_paired_swap_fc_lfe(hdmi_slot);
3237
3238                 /* In case this is an odd slot but without stream channel, do not
3239                  * disable the slot since the corresponding even slot could have a
3240                  * channel. In case neither have a channel, the slot pair will be
3241                  * disabled when this function is called for the even slot. */
3242                 if (hdmi_slot % 2 != 0 && stream_channel == 0xf)
3243                         return 0;
3244
3245                 hdmi_slot -= hdmi_slot % 2;
3246
3247                 if (stream_channel != 0xf)
3248                         stream_channel -= stream_channel % 2;
3249         }
3250
3251         verb = ATI_VERB_SET_MULTICHANNEL_01 + hdmi_slot/2 + (hdmi_slot % 2) * 0x00e;
3252
3253         /* ati_channel_setup format: [7..4] = stream_channel_id, [1] = mute, [0] = enable */
3254
3255         if (stream_channel != 0xf)
3256                 ati_channel_setup = (stream_channel << 4) | ATI_OUT_ENABLE;
3257
3258         return snd_hda_codec_write(codec, pin_nid, 0, verb, ati_channel_setup);
3259 }
3260
3261 static int atihdmi_pin_get_slot_channel(struct hda_codec *codec, hda_nid_t pin_nid,
3262                                         int asp_slot)
3263 {
3264         bool was_odd = false;
3265         int ati_asp_slot = asp_slot;
3266         int verb;
3267         int ati_channel_setup;
3268
3269         if (asp_slot > 7)
3270                 return -EINVAL;
3271
3272         if (!has_amd_full_remap_support(codec)) {
3273                 ati_asp_slot = atihdmi_paired_swap_fc_lfe(asp_slot);
3274                 if (ati_asp_slot % 2 != 0) {
3275                         ati_asp_slot -= 1;
3276                         was_odd = true;
3277                 }
3278         }
3279
3280         verb = ATI_VERB_GET_MULTICHANNEL_01 + ati_asp_slot/2 + (ati_asp_slot % 2) * 0x00e;
3281
3282         ati_channel_setup = snd_hda_codec_read(codec, pin_nid, 0, verb, 0);
3283
3284         if (!(ati_channel_setup & ATI_OUT_ENABLE))
3285                 return 0xf;
3286
3287         return ((ati_channel_setup & 0xf0) >> 4) + !!was_odd;
3288 }
3289
3290 static int atihdmi_paired_chmap_cea_alloc_validate_get_type(struct cea_channel_speaker_allocation *cap,
3291                                                             int channels)
3292 {
3293         int c;
3294
3295         /*
3296          * Pre-rev3 ATI/AMD codecs operate in a paired channel mode, so
3297          * we need to take that into account (a single channel may take 2
3298          * channel slots if we need to carry a silent channel next to it).
3299          * On Rev3+ AMD codecs this function is not used.
3300          */
3301         int chanpairs = 0;
3302
3303         /* We only produce even-numbered channel count TLVs */
3304         if ((channels % 2) != 0)
3305                 return -1;
3306
3307         for (c = 0; c < 7; c += 2) {
3308                 if (cap->speakers[c] || cap->speakers[c+1])
3309                         chanpairs++;
3310         }
3311
3312         if (chanpairs * 2 != channels)
3313                 return -1;
3314
3315         return SNDRV_CTL_TLVT_CHMAP_PAIRED;
3316 }
3317
3318 static void atihdmi_paired_cea_alloc_to_tlv_chmap(struct cea_channel_speaker_allocation *cap,
3319                                                   unsigned int *chmap, int channels)
3320 {
3321         /* produce paired maps for pre-rev3 ATI/AMD codecs */
3322         int count = 0;
3323         int c;
3324
3325         for (c = 7; c >= 0; c--) {
3326                 int chan = 7 - atihdmi_paired_swap_fc_lfe(7 - c);
3327                 int spk = cap->speakers[chan];
3328                 if (!spk) {
3329                         /* add N/A channel if the companion channel is occupied */
3330                         if (cap->speakers[chan + (chan % 2 ? -1 : 1)])
3331                                 chmap[count++] = SNDRV_CHMAP_NA;
3332
3333                         continue;
3334                 }
3335
3336                 chmap[count++] = spk_to_chmap(spk);
3337         }
3338
3339         WARN_ON(count != channels);
3340 }
3341
3342 static int atihdmi_pin_hbr_setup(struct hda_codec *codec, hda_nid_t pin_nid,
3343                                  bool hbr)
3344 {
3345         int hbr_ctl, hbr_ctl_new;
3346
3347         hbr_ctl = snd_hda_codec_read(codec, pin_nid, 0, ATI_VERB_GET_HBR_CONTROL, 0);
3348         if (hbr_ctl >= 0 && (hbr_ctl & ATI_HBR_CAPABLE)) {
3349                 if (hbr)
3350                         hbr_ctl_new = hbr_ctl | ATI_HBR_ENABLE;
3351                 else
3352                         hbr_ctl_new = hbr_ctl & ~ATI_HBR_ENABLE;
3353
3354                 codec_dbg(codec,
3355                           "atihdmi_pin_hbr_setup: NID=0x%x, %shbr-ctl=0x%x\n",
3356                                 pin_nid,
3357                                 hbr_ctl == hbr_ctl_new ? "" : "new-",
3358                                 hbr_ctl_new);
3359
3360                 if (hbr_ctl != hbr_ctl_new)
3361                         snd_hda_codec_write(codec, pin_nid, 0,
3362                                                 ATI_VERB_SET_HBR_CONTROL,
3363                                                 hbr_ctl_new);
3364
3365         } else if (hbr)
3366                 return -EINVAL;
3367
3368         return 0;
3369 }
3370
3371 static int atihdmi_setup_stream(struct hda_codec *codec, hda_nid_t cvt_nid,
3372                                 hda_nid_t pin_nid, u32 stream_tag, int format)
3373 {
3374
3375         if (is_amdhdmi_rev3_or_later(codec)) {
3376                 int ramp_rate = 180; /* default as per AMD spec */
3377                 /* disable ramp-up/down for non-pcm as per AMD spec */
3378                 if (format & AC_FMT_TYPE_NON_PCM)
3379                         ramp_rate = 0;
3380
3381                 snd_hda_codec_write(codec, cvt_nid, 0, ATI_VERB_SET_RAMP_RATE, ramp_rate);
3382         }
3383
3384         return hdmi_setup_stream(codec, cvt_nid, pin_nid, stream_tag, format);
3385 }
3386
3387
3388 static int atihdmi_init(struct hda_codec *codec)
3389 {
3390         struct hdmi_spec *spec = codec->spec;
3391         int pin_idx, err;
3392
3393         err = generic_hdmi_init(codec);
3394
3395         if (err)
3396                 return err;
3397
3398         for (pin_idx = 0; pin_idx < spec->num_pins; pin_idx++) {
3399                 struct hdmi_spec_per_pin *per_pin = get_pin(spec, pin_idx);
3400
3401                 /* make sure downmix information in infoframe is zero */
3402                 snd_hda_codec_write(codec, per_pin->pin_nid, 0, ATI_VERB_SET_DOWNMIX_INFO, 0);
3403
3404                 /* enable channel-wise remap mode if supported */
3405                 if (has_amd_full_remap_support(codec))
3406                         snd_hda_codec_write(codec, per_pin->pin_nid, 0,
3407                                             ATI_VERB_SET_MULTICHANNEL_MODE,
3408                                             ATI_MULTICHANNEL_MODE_SINGLE);
3409         }
3410
3411         return 0;
3412 }
3413
3414 static int patch_atihdmi(struct hda_codec *codec)
3415 {
3416         struct hdmi_spec *spec;
3417         struct hdmi_spec_per_cvt *per_cvt;
3418         int err, cvt_idx;
3419
3420         err = patch_generic_hdmi(codec);
3421
3422         if (err)
3423                 return err;
3424
3425         codec->patch_ops.init = atihdmi_init;
3426
3427         spec = codec->spec;
3428
3429         spec->ops.pin_get_eld = atihdmi_pin_get_eld;
3430         spec->ops.pin_get_slot_channel = atihdmi_pin_get_slot_channel;
3431         spec->ops.pin_set_slot_channel = atihdmi_pin_set_slot_channel;
3432         spec->ops.pin_setup_infoframe = atihdmi_pin_setup_infoframe;
3433         spec->ops.pin_hbr_setup = atihdmi_pin_hbr_setup;
3434         spec->ops.setup_stream = atihdmi_setup_stream;
3435
3436         if (!has_amd_full_remap_support(codec)) {
3437                 /* override to ATI/AMD-specific versions with pairwise mapping */
3438                 spec->ops.chmap_cea_alloc_validate_get_type =
3439                         atihdmi_paired_chmap_cea_alloc_validate_get_type;
3440                 spec->ops.cea_alloc_to_tlv_chmap = atihdmi_paired_cea_alloc_to_tlv_chmap;
3441                 spec->ops.chmap_validate = atihdmi_paired_chmap_validate;
3442         }
3443
3444         /* ATI/AMD converters do not advertise all of their capabilities */
3445         for (cvt_idx = 0; cvt_idx < spec->num_cvts; cvt_idx++) {
3446                 per_cvt = get_cvt(spec, cvt_idx);
3447                 per_cvt->channels_max = max(per_cvt->channels_max, 8u);
3448                 per_cvt->rates |= SUPPORTED_RATES;
3449                 per_cvt->formats |= SUPPORTED_FORMATS;
3450                 per_cvt->maxbps = max(per_cvt->maxbps, 24u);
3451         }
3452
3453         spec->channels_max = max(spec->channels_max, 8u);
3454
3455         return 0;
3456 }
3457
3458 /* VIA HDMI Implementation */
3459 #define VIAHDMI_CVT_NID 0x02    /* audio converter1 */
3460 #define VIAHDMI_PIN_NID 0x03    /* HDMI output pin1 */
3461
3462 static int patch_via_hdmi(struct hda_codec *codec)
3463 {
3464         return patch_simple_hdmi(codec, VIAHDMI_CVT_NID, VIAHDMI_PIN_NID);
3465 }
3466
3467 /*
3468  * patch entries
3469  */
3470 static const struct hda_codec_preset snd_hda_preset_hdmi[] = {
3471 { .id = 0x1002793c, .name = "RS600 HDMI",       .patch = patch_atihdmi },
3472 { .id = 0x10027919, .name = "RS600 HDMI",       .patch = patch_atihdmi },
3473 { .id = 0x1002791a, .name = "RS690/780 HDMI",   .patch = patch_atihdmi },
3474 { .id = 0x1002aa01, .name = "R6xx HDMI",        .patch = patch_atihdmi },
3475 { .id = 0x10951390, .name = "SiI1390 HDMI",     .patch = patch_generic_hdmi },
3476 { .id = 0x10951392, .name = "SiI1392 HDMI",     .patch = patch_generic_hdmi },
3477 { .id = 0x17e80047, .name = "Chrontel HDMI",    .patch = patch_generic_hdmi },
3478 { .id = 0x10de0002, .name = "MCP77/78 HDMI",    .patch = patch_nvhdmi_8ch_7x },
3479 { .id = 0x10de0003, .name = "MCP77/78 HDMI",    .patch = patch_nvhdmi_8ch_7x },
3480 { .id = 0x10de0005, .name = "MCP77/78 HDMI",    .patch = patch_nvhdmi_8ch_7x },
3481 { .id = 0x10de0006, .name = "MCP77/78 HDMI",    .patch = patch_nvhdmi_8ch_7x },
3482 { .id = 0x10de0007, .name = "MCP79/7A HDMI",    .patch = patch_nvhdmi_8ch_7x },
3483 { .id = 0x10de000a, .name = "GPU 0a HDMI/DP",   .patch = patch_nvhdmi },
3484 { .id = 0x10de000b, .name = "GPU 0b HDMI/DP",   .patch = patch_nvhdmi },
3485 { .id = 0x10de000c, .name = "MCP89 HDMI",       .patch = patch_nvhdmi },
3486 { .id = 0x10de000d, .name = "GPU 0d HDMI/DP",   .patch = patch_nvhdmi },
3487 { .id = 0x10de0010, .name = "GPU 10 HDMI/DP",   .patch = patch_nvhdmi },
3488 { .id = 0x10de0011, .name = "GPU 11 HDMI/DP",   .patch = patch_nvhdmi },
3489 { .id = 0x10de0012, .name = "GPU 12 HDMI/DP",   .patch = patch_nvhdmi },
3490 { .id = 0x10de0013, .name = "GPU 13 HDMI/DP",   .patch = patch_nvhdmi },
3491 { .id = 0x10de0014, .name = "GPU 14 HDMI/DP",   .patch = patch_nvhdmi },
3492 { .id = 0x10de0015, .name = "GPU 15 HDMI/DP",   .patch = patch_nvhdmi },
3493 { .id = 0x10de0016, .name = "GPU 16 HDMI/DP",   .patch = patch_nvhdmi },
3494 /* 17 is known to be absent */
3495 { .id = 0x10de0018, .name = "GPU 18 HDMI/DP",   .patch = patch_nvhdmi },
3496 { .id = 0x10de0019, .name = "GPU 19 HDMI/DP",   .patch = patch_nvhdmi },
3497 { .id = 0x10de001a, .name = "GPU 1a HDMI/DP",   .patch = patch_nvhdmi },
3498 { .id = 0x10de001b, .name = "GPU 1b HDMI/DP",   .patch = patch_nvhdmi },
3499 { .id = 0x10de001c, .name = "GPU 1c HDMI/DP",   .patch = patch_nvhdmi },
3500 { .id = 0x10de0020, .name = "Tegra30 HDMI",     .patch = patch_tegra_hdmi },
3501 { .id = 0x10de0022, .name = "Tegra114 HDMI",    .patch = patch_tegra_hdmi },
3502 { .id = 0x10de0028, .name = "Tegra124 HDMI",    .patch = patch_tegra_hdmi },
3503 { .id = 0x10de0029, .name = "Tegra210 HDMI/DP", .patch = patch_tegra_hdmi },
3504 { .id = 0x10de0040, .name = "GPU 40 HDMI/DP",   .patch = patch_nvhdmi },
3505 { .id = 0x10de0041, .name = "GPU 41 HDMI/DP",   .patch = patch_nvhdmi },
3506 { .id = 0x10de0042, .name = "GPU 42 HDMI/DP",   .patch = patch_nvhdmi },
3507 { .id = 0x10de0043, .name = "GPU 43 HDMI/DP",   .patch = patch_nvhdmi },
3508 { .id = 0x10de0044, .name = "GPU 44 HDMI/DP",   .patch = patch_nvhdmi },
3509 { .id = 0x10de0051, .name = "GPU 51 HDMI/DP",   .patch = patch_nvhdmi },
3510 { .id = 0x10de0060, .name = "GPU 60 HDMI/DP",   .patch = patch_nvhdmi },
3511 { .id = 0x10de0067, .name = "MCP67 HDMI",       .patch = patch_nvhdmi_2ch },
3512 { .id = 0x10de0070, .name = "GPU 70 HDMI/DP",   .patch = patch_nvhdmi },
3513 { .id = 0x10de0071, .name = "GPU 71 HDMI/DP",   .patch = patch_nvhdmi },
3514 { .id = 0x10de0072, .name = "GPU 72 HDMI/DP",   .patch = patch_nvhdmi },
3515 { .id = 0x10de007d, .name = "GPU 7d HDMI/DP",   .patch = patch_nvhdmi },
3516 { .id = 0x10de8001, .name = "MCP73 HDMI",       .patch = patch_nvhdmi_2ch },
3517 { .id = 0x11069f80, .name = "VX900 HDMI/DP",    .patch = patch_via_hdmi },
3518 { .id = 0x11069f81, .name = "VX900 HDMI/DP",    .patch = patch_via_hdmi },
3519 { .id = 0x11069f84, .name = "VX11 HDMI/DP",     .patch = patch_generic_hdmi },
3520 { .id = 0x11069f85, .name = "VX11 HDMI/DP",     .patch = patch_generic_hdmi },
3521 { .id = 0x80860054, .name = "IbexPeak HDMI",    .patch = patch_generic_hdmi },
3522 { .id = 0x80862801, .name = "Bearlake HDMI",    .patch = patch_generic_hdmi },
3523 { .id = 0x80862802, .name = "Cantiga HDMI",     .patch = patch_generic_hdmi },
3524 { .id = 0x80862803, .name = "Eaglelake HDMI",   .patch = patch_generic_hdmi },
3525 { .id = 0x80862804, .name = "IbexPeak HDMI",    .patch = patch_generic_hdmi },
3526 { .id = 0x80862805, .name = "CougarPoint HDMI", .patch = patch_generic_hdmi },
3527 { .id = 0x80862806, .name = "PantherPoint HDMI", .patch = patch_generic_hdmi },
3528 { .id = 0x80862807, .name = "Haswell HDMI",     .patch = patch_generic_hdmi },
3529 { .id = 0x80862808, .name = "Broadwell HDMI",   .patch = patch_generic_hdmi },
3530 { .id = 0x80862809, .name = "Skylake HDMI",     .patch = patch_generic_hdmi },
3531 { .id = 0x8086280a, .name = "Broxton HDMI",     .patch = patch_generic_hdmi },
3532 { .id = 0x80862880, .name = "CedarTrail HDMI",  .patch = patch_generic_hdmi },
3533 { .id = 0x80862882, .name = "Valleyview2 HDMI", .patch = patch_generic_hdmi },
3534 { .id = 0x80862883, .name = "Braswell HDMI",    .patch = patch_generic_hdmi },
3535 { .id = 0x808629fb, .name = "Crestline HDMI",   .patch = patch_generic_hdmi },
3536 /* special ID for generic HDMI */
3537 { .id = HDA_CODEC_ID_GENERIC_HDMI, .patch = patch_generic_hdmi },
3538 {} /* terminator */
3539 };
3540
3541 MODULE_ALIAS("snd-hda-codec-id:1002793c");
3542 MODULE_ALIAS("snd-hda-codec-id:10027919");
3543 MODULE_ALIAS("snd-hda-codec-id:1002791a");
3544 MODULE_ALIAS("snd-hda-codec-id:1002aa01");
3545 MODULE_ALIAS("snd-hda-codec-id:10951390");
3546 MODULE_ALIAS("snd-hda-codec-id:10951392");
3547 MODULE_ALIAS("snd-hda-codec-id:10de0002");
3548 MODULE_ALIAS("snd-hda-codec-id:10de0003");
3549 MODULE_ALIAS("snd-hda-codec-id:10de0005");
3550 MODULE_ALIAS("snd-hda-codec-id:10de0006");
3551 MODULE_ALIAS("snd-hda-codec-id:10de0007");
3552 MODULE_ALIAS("snd-hda-codec-id:10de000a");
3553 MODULE_ALIAS("snd-hda-codec-id:10de000b");
3554 MODULE_ALIAS("snd-hda-codec-id:10de000c");
3555 MODULE_ALIAS("snd-hda-codec-id:10de000d");
3556 MODULE_ALIAS("snd-hda-codec-id:10de0010");
3557 MODULE_ALIAS("snd-hda-codec-id:10de0011");
3558 MODULE_ALIAS("snd-hda-codec-id:10de0012");
3559 MODULE_ALIAS("snd-hda-codec-id:10de0013");
3560 MODULE_ALIAS("snd-hda-codec-id:10de0014");
3561 MODULE_ALIAS("snd-hda-codec-id:10de0015");
3562 MODULE_ALIAS("snd-hda-codec-id:10de0016");
3563 MODULE_ALIAS("snd-hda-codec-id:10de0018");
3564 MODULE_ALIAS("snd-hda-codec-id:10de0019");
3565 MODULE_ALIAS("snd-hda-codec-id:10de001a");
3566 MODULE_ALIAS("snd-hda-codec-id:10de001b");
3567 MODULE_ALIAS("snd-hda-codec-id:10de001c");
3568 MODULE_ALIAS("snd-hda-codec-id:10de0028");
3569 MODULE_ALIAS("snd-hda-codec-id:10de0040");
3570 MODULE_ALIAS("snd-hda-codec-id:10de0041");
3571 MODULE_ALIAS("snd-hda-codec-id:10de0042");
3572 MODULE_ALIAS("snd-hda-codec-id:10de0043");
3573 MODULE_ALIAS("snd-hda-codec-id:10de0044");
3574 MODULE_ALIAS("snd-hda-codec-id:10de0051");
3575 MODULE_ALIAS("snd-hda-codec-id:10de0060");
3576 MODULE_ALIAS("snd-hda-codec-id:10de0067");
3577 MODULE_ALIAS("snd-hda-codec-id:10de0070");
3578 MODULE_ALIAS("snd-hda-codec-id:10de0071");
3579 MODULE_ALIAS("snd-hda-codec-id:10de0072");
3580 MODULE_ALIAS("snd-hda-codec-id:10de007d");
3581 MODULE_ALIAS("snd-hda-codec-id:10de8001");
3582 MODULE_ALIAS("snd-hda-codec-id:11069f80");
3583 MODULE_ALIAS("snd-hda-codec-id:11069f81");
3584 MODULE_ALIAS("snd-hda-codec-id:11069f84");
3585 MODULE_ALIAS("snd-hda-codec-id:11069f85");
3586 MODULE_ALIAS("snd-hda-codec-id:17e80047");
3587 MODULE_ALIAS("snd-hda-codec-id:80860054");
3588 MODULE_ALIAS("snd-hda-codec-id:80862801");
3589 MODULE_ALIAS("snd-hda-codec-id:80862802");
3590 MODULE_ALIAS("snd-hda-codec-id:80862803");
3591 MODULE_ALIAS("snd-hda-codec-id:80862804");
3592 MODULE_ALIAS("snd-hda-codec-id:80862805");
3593 MODULE_ALIAS("snd-hda-codec-id:80862806");
3594 MODULE_ALIAS("snd-hda-codec-id:80862807");
3595 MODULE_ALIAS("snd-hda-codec-id:80862808");
3596 MODULE_ALIAS("snd-hda-codec-id:80862809");
3597 MODULE_ALIAS("snd-hda-codec-id:8086280a");
3598 MODULE_ALIAS("snd-hda-codec-id:80862880");
3599 MODULE_ALIAS("snd-hda-codec-id:80862882");
3600 MODULE_ALIAS("snd-hda-codec-id:80862883");
3601 MODULE_ALIAS("snd-hda-codec-id:808629fb");
3602
3603 MODULE_LICENSE("GPL");
3604 MODULE_DESCRIPTION("HDMI HD-audio codec");
3605 MODULE_ALIAS("snd-hda-codec-intelhdmi");
3606 MODULE_ALIAS("snd-hda-codec-nvhdmi");
3607 MODULE_ALIAS("snd-hda-codec-atihdmi");
3608
3609 static struct hda_codec_driver hdmi_driver = {
3610         .preset = snd_hda_preset_hdmi,
3611 };
3612
3613 module_hda_codec_driver(hdmi_driver);