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)->vendor_id == 0x80862807) 49 #define is_broadwell(codec) ((codec)->vendor_id == 0x80862808) 50 #define is_haswell_plus(codec) (is_haswell(codec) || is_broadwell(codec)) 51 52 #define is_valleyview(codec) ((codec)->vendor_id == 0x80862882) 53 #define is_cherryview(codec) ((codec)->vendor_id == 0x80862883) 54 #define is_valleyview_plus(codec) (is_valleyview(codec) || is_cherryview(codec)) 55 56 struct hdmi_spec_per_cvt { 57 hda_nid_t cvt_nid; 58 int assigned; 59 unsigned int channels_min; 60 unsigned int channels_max; 61 u32 rates; 62 u64 formats; 63 unsigned int maxbps; 64 }; 65 66 /* max. connections to a widget */ 67 #define HDA_MAX_CONNECTIONS 32 68 69 struct hdmi_spec_per_pin { 70 hda_nid_t pin_nid; 71 int num_mux_nids; 72 hda_nid_t mux_nids[HDA_MAX_CONNECTIONS]; 73 int mux_idx; 74 hda_nid_t cvt_nid; 75 76 struct hda_codec *codec; 77 struct hdmi_eld sink_eld; 78 struct mutex lock; 79 struct delayed_work work; 80 struct snd_kcontrol *eld_ctl; 81 int repoll_count; 82 bool setup; /* the stream has been set up by prepare callback */ 83 int channels; /* current number of channels */ 84 bool non_pcm; 85 bool chmap_set; /* channel-map override by ALSA API? */ 86 unsigned char chmap[8]; /* ALSA API channel-map */ 87 char pcm_name[8]; /* filled in build_pcm callbacks */ 88 #ifdef CONFIG_PROC_FS 89 struct snd_info_entry *proc_entry; 90 #endif 91 }; 92 93 struct cea_channel_speaker_allocation; 94 95 /* operations used by generic code that can be overridden by patches */ 96 struct hdmi_ops { 97 int (*pin_get_eld)(struct hda_codec *codec, hda_nid_t pin_nid, 98 unsigned char *buf, int *eld_size); 99 100 /* get and set channel assigned to each HDMI ASP (audio sample packet) slot */ 101 int (*pin_get_slot_channel)(struct hda_codec *codec, hda_nid_t pin_nid, 102 int asp_slot); 103 int (*pin_set_slot_channel)(struct hda_codec *codec, hda_nid_t pin_nid, 104 int asp_slot, int channel); 105 106 void (*pin_setup_infoframe)(struct hda_codec *codec, hda_nid_t pin_nid, 107 int ca, int active_channels, int conn_type); 108 109 /* enable/disable HBR (HD passthrough) */ 110 int (*pin_hbr_setup)(struct hda_codec *codec, hda_nid_t pin_nid, bool hbr); 111 112 int (*setup_stream)(struct hda_codec *codec, hda_nid_t cvt_nid, 113 hda_nid_t pin_nid, u32 stream_tag, int format); 114 115 /* Helpers for producing the channel map TLVs. These can be overridden 116 * for devices that have non-standard mapping requirements. */ 117 int (*chmap_cea_alloc_validate_get_type)(struct cea_channel_speaker_allocation *cap, 118 int channels); 119 void (*cea_alloc_to_tlv_chmap)(struct cea_channel_speaker_allocation *cap, 120 unsigned int *chmap, int channels); 121 122 /* check that the user-given chmap is supported */ 123 int (*chmap_validate)(int ca, int channels, unsigned char *chmap); 124 }; 125 126 struct hdmi_spec { 127 int num_cvts; 128 struct snd_array cvts; /* struct hdmi_spec_per_cvt */ 129 hda_nid_t cvt_nids[4]; /* only for haswell fix */ 130 131 int num_pins; 132 struct snd_array pins; /* struct hdmi_spec_per_pin */ 133 struct snd_array pcm_rec; /* struct hda_pcm */ 134 unsigned int channels_max; /* max over all cvts */ 135 136 struct hdmi_eld temp_eld; 137 struct hdmi_ops ops; 138 139 bool dyn_pin_out; 140 141 /* 142 * Non-generic VIA/NVIDIA specific 143 */ 144 struct hda_multi_out multiout; 145 struct hda_pcm_stream pcm_playback; 146 }; 147 148 149 struct hdmi_audio_infoframe { 150 u8 type; /* 0x84 */ 151 u8 ver; /* 0x01 */ 152 u8 len; /* 0x0a */ 153 154 u8 checksum; 155 156 u8 CC02_CT47; /* CC in bits 0:2, CT in 4:7 */ 157 u8 SS01_SF24; 158 u8 CXT04; 159 u8 CA; 160 u8 LFEPBL01_LSV36_DM_INH7; 161 }; 162 163 struct dp_audio_infoframe { 164 u8 type; /* 0x84 */ 165 u8 len; /* 0x1b */ 166 u8 ver; /* 0x11 << 2 */ 167 168 u8 CC02_CT47; /* match with HDMI infoframe from this on */ 169 u8 SS01_SF24; 170 u8 CXT04; 171 u8 CA; 172 u8 LFEPBL01_LSV36_DM_INH7; 173 }; 174 175 union audio_infoframe { 176 struct hdmi_audio_infoframe hdmi; 177 struct dp_audio_infoframe dp; 178 u8 bytes[0]; 179 }; 180 181 /* 182 * CEA speaker placement: 183 * 184 * FLH FCH FRH 185 * FLW FL FLC FC FRC FR FRW 186 * 187 * LFE 188 * TC 189 * 190 * RL RLC RC RRC RR 191 * 192 * The Left/Right Surround channel _notions_ LS/RS in SMPTE 320M corresponds to 193 * CEA RL/RR; The SMPTE channel _assignment_ C/LFE is swapped to CEA LFE/FC. 194 */ 195 enum cea_speaker_placement { 196 FL = (1 << 0), /* Front Left */ 197 FC = (1 << 1), /* Front Center */ 198 FR = (1 << 2), /* Front Right */ 199 FLC = (1 << 3), /* Front Left Center */ 200 FRC = (1 << 4), /* Front Right Center */ 201 RL = (1 << 5), /* Rear Left */ 202 RC = (1 << 6), /* Rear Center */ 203 RR = (1 << 7), /* Rear Right */ 204 RLC = (1 << 8), /* Rear Left Center */ 205 RRC = (1 << 9), /* Rear Right Center */ 206 LFE = (1 << 10), /* Low Frequency Effect */ 207 FLW = (1 << 11), /* Front Left Wide */ 208 FRW = (1 << 12), /* Front Right Wide */ 209 FLH = (1 << 13), /* Front Left High */ 210 FCH = (1 << 14), /* Front Center High */ 211 FRH = (1 << 15), /* Front Right High */ 212 TC = (1 << 16), /* Top Center */ 213 }; 214 215 /* 216 * ELD SA bits in the CEA Speaker Allocation data block 217 */ 218 static int eld_speaker_allocation_bits[] = { 219 [0] = FL | FR, 220 [1] = LFE, 221 [2] = FC, 222 [3] = RL | RR, 223 [4] = RC, 224 [5] = FLC | FRC, 225 [6] = RLC | RRC, 226 /* the following are not defined in ELD yet */ 227 [7] = FLW | FRW, 228 [8] = FLH | FRH, 229 [9] = TC, 230 [10] = FCH, 231 }; 232 233 struct cea_channel_speaker_allocation { 234 int ca_index; 235 int speakers[8]; 236 237 /* derived values, just for convenience */ 238 int channels; 239 int spk_mask; 240 }; 241 242 /* 243 * ALSA sequence is: 244 * 245 * surround40 surround41 surround50 surround51 surround71 246 * ch0 front left = = = = 247 * ch1 front right = = = = 248 * ch2 rear left = = = = 249 * ch3 rear right = = = = 250 * ch4 LFE center center center 251 * ch5 LFE LFE 252 * ch6 side left 253 * ch7 side right 254 * 255 * surround71 = {FL, FR, RLC, RRC, FC, LFE, RL, RR} 256 */ 257 static int hdmi_channel_mapping[0x32][8] = { 258 /* stereo */ 259 [0x00] = { 0x00, 0x11, 0xf2, 0xf3, 0xf4, 0xf5, 0xf6, 0xf7 }, 260 /* 2.1 */ 261 [0x01] = { 0x00, 0x11, 0x22, 0xf3, 0xf4, 0xf5, 0xf6, 0xf7 }, 262 /* Dolby Surround */ 263 [0x02] = { 0x00, 0x11, 0x23, 0xf2, 0xf4, 0xf5, 0xf6, 0xf7 }, 264 /* surround40 */ 265 [0x08] = { 0x00, 0x11, 0x24, 0x35, 0xf3, 0xf2, 0xf6, 0xf7 }, 266 /* 4ch */ 267 [0x03] = { 0x00, 0x11, 0x23, 0x32, 0x44, 0xf5, 0xf6, 0xf7 }, 268 /* surround41 */ 269 [0x09] = { 0x00, 0x11, 0x24, 0x35, 0x42, 0xf3, 0xf6, 0xf7 }, 270 /* surround50 */ 271 [0x0a] = { 0x00, 0x11, 0x24, 0x35, 0x43, 0xf2, 0xf6, 0xf7 }, 272 /* surround51 */ 273 [0x0b] = { 0x00, 0x11, 0x24, 0x35, 0x43, 0x52, 0xf6, 0xf7 }, 274 /* 7.1 */ 275 [0x13] = { 0x00, 0x11, 0x26, 0x37, 0x43, 0x52, 0x64, 0x75 }, 276 }; 277 278 /* 279 * This is an ordered list! 280 * 281 * The preceding ones have better chances to be selected by 282 * hdmi_channel_allocation(). 283 */ 284 static struct cea_channel_speaker_allocation channel_allocations[] = { 285 /* channel: 7 6 5 4 3 2 1 0 */ 286 { .ca_index = 0x00, .speakers = { 0, 0, 0, 0, 0, 0, FR, FL } }, 287 /* 2.1 */ 288 { .ca_index = 0x01, .speakers = { 0, 0, 0, 0, 0, LFE, FR, FL } }, 289 /* Dolby Surround */ 290 { .ca_index = 0x02, .speakers = { 0, 0, 0, 0, FC, 0, FR, FL } }, 291 /* surround40 */ 292 { .ca_index = 0x08, .speakers = { 0, 0, RR, RL, 0, 0, FR, FL } }, 293 /* surround41 */ 294 { .ca_index = 0x09, .speakers = { 0, 0, RR, RL, 0, LFE, FR, FL } }, 295 /* surround50 */ 296 { .ca_index = 0x0a, .speakers = { 0, 0, RR, RL, FC, 0, FR, FL } }, 297 /* surround51 */ 298 { .ca_index = 0x0b, .speakers = { 0, 0, RR, RL, FC, LFE, FR, FL } }, 299 /* 6.1 */ 300 { .ca_index = 0x0f, .speakers = { 0, RC, RR, RL, FC, LFE, FR, FL } }, 301 /* surround71 */ 302 { .ca_index = 0x13, .speakers = { RRC, RLC, RR, RL, FC, LFE, FR, FL } }, 303 304 { .ca_index = 0x03, .speakers = { 0, 0, 0, 0, FC, LFE, FR, FL } }, 305 { .ca_index = 0x04, .speakers = { 0, 0, 0, RC, 0, 0, FR, FL } }, 306 { .ca_index = 0x05, .speakers = { 0, 0, 0, RC, 0, LFE, FR, FL } }, 307 { .ca_index = 0x06, .speakers = { 0, 0, 0, RC, FC, 0, FR, FL } }, 308 { .ca_index = 0x07, .speakers = { 0, 0, 0, RC, FC, LFE, FR, FL } }, 309 { .ca_index = 0x0c, .speakers = { 0, RC, RR, RL, 0, 0, FR, FL } }, 310 { .ca_index = 0x0d, .speakers = { 0, RC, RR, RL, 0, LFE, FR, FL } }, 311 { .ca_index = 0x0e, .speakers = { 0, RC, RR, RL, FC, 0, FR, FL } }, 312 { .ca_index = 0x10, .speakers = { RRC, RLC, RR, RL, 0, 0, FR, FL } }, 313 { .ca_index = 0x11, .speakers = { RRC, RLC, RR, RL, 0, LFE, FR, FL } }, 314 { .ca_index = 0x12, .speakers = { RRC, RLC, RR, RL, FC, 0, FR, FL } }, 315 { .ca_index = 0x14, .speakers = { FRC, FLC, 0, 0, 0, 0, FR, FL } }, 316 { .ca_index = 0x15, .speakers = { FRC, FLC, 0, 0, 0, LFE, FR, FL } }, 317 { .ca_index = 0x16, .speakers = { FRC, FLC, 0, 0, FC, 0, FR, FL } }, 318 { .ca_index = 0x17, .speakers = { FRC, FLC, 0, 0, FC, LFE, FR, FL } }, 319 { .ca_index = 0x18, .speakers = { FRC, FLC, 0, RC, 0, 0, FR, FL } }, 320 { .ca_index = 0x19, .speakers = { FRC, FLC, 0, RC, 0, LFE, FR, FL } }, 321 { .ca_index = 0x1a, .speakers = { FRC, FLC, 0, RC, FC, 0, FR, FL } }, 322 { .ca_index = 0x1b, .speakers = { FRC, FLC, 0, RC, FC, LFE, FR, FL } }, 323 { .ca_index = 0x1c, .speakers = { FRC, FLC, RR, RL, 0, 0, FR, FL } }, 324 { .ca_index = 0x1d, .speakers = { FRC, FLC, RR, RL, 0, LFE, FR, FL } }, 325 { .ca_index = 0x1e, .speakers = { FRC, FLC, RR, RL, FC, 0, FR, FL } }, 326 { .ca_index = 0x1f, .speakers = { FRC, FLC, RR, RL, FC, LFE, FR, FL } }, 327 { .ca_index = 0x20, .speakers = { 0, FCH, RR, RL, FC, 0, FR, FL } }, 328 { .ca_index = 0x21, .speakers = { 0, FCH, RR, RL, FC, LFE, FR, FL } }, 329 { .ca_index = 0x22, .speakers = { TC, 0, RR, RL, FC, 0, FR, FL } }, 330 { .ca_index = 0x23, .speakers = { TC, 0, RR, RL, FC, LFE, FR, FL } }, 331 { .ca_index = 0x24, .speakers = { FRH, FLH, RR, RL, 0, 0, FR, FL } }, 332 { .ca_index = 0x25, .speakers = { FRH, FLH, RR, RL, 0, LFE, FR, FL } }, 333 { .ca_index = 0x26, .speakers = { FRW, FLW, RR, RL, 0, 0, FR, FL } }, 334 { .ca_index = 0x27, .speakers = { FRW, FLW, RR, RL, 0, LFE, FR, FL } }, 335 { .ca_index = 0x28, .speakers = { TC, RC, RR, RL, FC, 0, FR, FL } }, 336 { .ca_index = 0x29, .speakers = { TC, RC, RR, RL, FC, LFE, FR, FL } }, 337 { .ca_index = 0x2a, .speakers = { FCH, RC, RR, RL, FC, 0, FR, FL } }, 338 { .ca_index = 0x2b, .speakers = { FCH, RC, RR, RL, FC, LFE, FR, FL } }, 339 { .ca_index = 0x2c, .speakers = { TC, FCH, RR, RL, FC, 0, FR, FL } }, 340 { .ca_index = 0x2d, .speakers = { TC, FCH, RR, RL, FC, LFE, FR, FL } }, 341 { .ca_index = 0x2e, .speakers = { FRH, FLH, RR, RL, FC, 0, FR, FL } }, 342 { .ca_index = 0x2f, .speakers = { FRH, FLH, RR, RL, FC, LFE, FR, FL } }, 343 { .ca_index = 0x30, .speakers = { FRW, FLW, RR, RL, FC, 0, FR, FL } }, 344 { .ca_index = 0x31, .speakers = { FRW, FLW, RR, RL, FC, LFE, FR, FL } }, 345 }; 346 347 348 /* 349 * HDMI routines 350 */ 351 352 #define get_pin(spec, idx) \ 353 ((struct hdmi_spec_per_pin *)snd_array_elem(&spec->pins, idx)) 354 #define get_cvt(spec, idx) \ 355 ((struct hdmi_spec_per_cvt *)snd_array_elem(&spec->cvts, idx)) 356 #define get_pcm_rec(spec, idx) \ 357 ((struct hda_pcm *)snd_array_elem(&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_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->bus->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 && per_pin->proc_entry) { 595 snd_device_free(per_pin->codec->bus->card, 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 jack_callback(struct hda_codec *codec, struct hda_jack_tbl *jack) 1167 { 1168 struct hdmi_spec *spec = codec->spec; 1169 int pin_idx = pin_nid_to_pin_index(codec, jack->nid); 1170 if (pin_idx < 0) 1171 return; 1172 1173 if (hdmi_present_sense(get_pin(spec, pin_idx), 1)) 1174 snd_hda_jack_report_sync(codec); 1175 } 1176 1177 static void hdmi_intrinsic_event(struct hda_codec *codec, unsigned int res) 1178 { 1179 int tag = res >> AC_UNSOL_RES_TAG_SHIFT; 1180 struct hda_jack_tbl *jack; 1181 int dev_entry = (res & AC_UNSOL_RES_DE) >> AC_UNSOL_RES_DE_SHIFT; 1182 1183 jack = snd_hda_jack_tbl_get_from_tag(codec, tag); 1184 if (!jack) 1185 return; 1186 jack->jack_dirty = 1; 1187 1188 codec_dbg(codec, 1189 "HDMI hot plug event: Codec=%d Pin=%d Device=%d Inactive=%d Presence_Detect=%d ELD_Valid=%d\n", 1190 codec->addr, jack->nid, dev_entry, !!(res & AC_UNSOL_RES_IA), 1191 !!(res & AC_UNSOL_RES_PD), !!(res & AC_UNSOL_RES_ELDV)); 1192 1193 jack_callback(codec, jack); 1194 } 1195 1196 static void hdmi_non_intrinsic_event(struct hda_codec *codec, unsigned int res) 1197 { 1198 int tag = res >> AC_UNSOL_RES_TAG_SHIFT; 1199 int subtag = (res & AC_UNSOL_RES_SUBTAG) >> AC_UNSOL_RES_SUBTAG_SHIFT; 1200 int cp_state = !!(res & AC_UNSOL_RES_CP_STATE); 1201 int cp_ready = !!(res & AC_UNSOL_RES_CP_READY); 1202 1203 codec_info(codec, 1204 "HDMI CP event: CODEC=%d TAG=%d SUBTAG=0x%x CP_STATE=%d CP_READY=%d\n", 1205 codec->addr, 1206 tag, 1207 subtag, 1208 cp_state, 1209 cp_ready); 1210 1211 /* TODO */ 1212 if (cp_state) 1213 ; 1214 if (cp_ready) 1215 ; 1216 } 1217 1218 1219 static void hdmi_unsol_event(struct hda_codec *codec, unsigned int res) 1220 { 1221 int tag = res >> AC_UNSOL_RES_TAG_SHIFT; 1222 int subtag = (res & AC_UNSOL_RES_SUBTAG) >> AC_UNSOL_RES_SUBTAG_SHIFT; 1223 1224 if (!snd_hda_jack_tbl_get_from_tag(codec, tag)) { 1225 codec_dbg(codec, "Unexpected HDMI event tag 0x%x\n", tag); 1226 return; 1227 } 1228 1229 if (subtag == 0) 1230 hdmi_intrinsic_event(codec, res); 1231 else 1232 hdmi_non_intrinsic_event(codec, res); 1233 } 1234 1235 static void haswell_verify_D0(struct hda_codec *codec, 1236 hda_nid_t cvt_nid, hda_nid_t nid) 1237 { 1238 int pwr; 1239 1240 /* For Haswell, the converter 1/2 may keep in D3 state after bootup, 1241 * thus pins could only choose converter 0 for use. Make sure the 1242 * converters are in correct power state */ 1243 if (!snd_hda_check_power_state(codec, cvt_nid, AC_PWRST_D0)) 1244 snd_hda_codec_write(codec, cvt_nid, 0, AC_VERB_SET_POWER_STATE, AC_PWRST_D0); 1245 1246 if (!snd_hda_check_power_state(codec, nid, AC_PWRST_D0)) { 1247 snd_hda_codec_write(codec, nid, 0, AC_VERB_SET_POWER_STATE, 1248 AC_PWRST_D0); 1249 msleep(40); 1250 pwr = snd_hda_codec_read(codec, nid, 0, AC_VERB_GET_POWER_STATE, 0); 1251 pwr = (pwr & AC_PWRST_ACTUAL) >> AC_PWRST_ACTUAL_SHIFT; 1252 codec_dbg(codec, "Haswell HDMI audio: Power for pin 0x%x is now D%d\n", nid, pwr); 1253 } 1254 } 1255 1256 /* 1257 * Callbacks 1258 */ 1259 1260 /* HBR should be Non-PCM, 8 channels */ 1261 #define is_hbr_format(format) \ 1262 ((format & AC_FMT_TYPE_NON_PCM) && (format & AC_FMT_CHAN_MASK) == 7) 1263 1264 static int hdmi_pin_hbr_setup(struct hda_codec *codec, hda_nid_t pin_nid, 1265 bool hbr) 1266 { 1267 int pinctl, new_pinctl; 1268 1269 if (snd_hda_query_pin_caps(codec, pin_nid) & AC_PINCAP_HBR) { 1270 pinctl = snd_hda_codec_read(codec, pin_nid, 0, 1271 AC_VERB_GET_PIN_WIDGET_CONTROL, 0); 1272 1273 if (pinctl < 0) 1274 return hbr ? -EINVAL : 0; 1275 1276 new_pinctl = pinctl & ~AC_PINCTL_EPT; 1277 if (hbr) 1278 new_pinctl |= AC_PINCTL_EPT_HBR; 1279 else 1280 new_pinctl |= AC_PINCTL_EPT_NATIVE; 1281 1282 codec_dbg(codec, 1283 "hdmi_pin_hbr_setup: NID=0x%x, %spinctl=0x%x\n", 1284 pin_nid, 1285 pinctl == new_pinctl ? "" : "new-", 1286 new_pinctl); 1287 1288 if (pinctl != new_pinctl) 1289 snd_hda_codec_write(codec, pin_nid, 0, 1290 AC_VERB_SET_PIN_WIDGET_CONTROL, 1291 new_pinctl); 1292 } else if (hbr) 1293 return -EINVAL; 1294 1295 return 0; 1296 } 1297 1298 static int hdmi_setup_stream(struct hda_codec *codec, hda_nid_t cvt_nid, 1299 hda_nid_t pin_nid, u32 stream_tag, int format) 1300 { 1301 struct hdmi_spec *spec = codec->spec; 1302 int err; 1303 1304 if (is_haswell_plus(codec)) 1305 haswell_verify_D0(codec, cvt_nid, pin_nid); 1306 1307 err = spec->ops.pin_hbr_setup(codec, pin_nid, is_hbr_format(format)); 1308 1309 if (err) { 1310 codec_dbg(codec, "hdmi_setup_stream: HBR is not supported\n"); 1311 return err; 1312 } 1313 1314 snd_hda_codec_setup_stream(codec, cvt_nid, stream_tag, 0, format); 1315 return 0; 1316 } 1317 1318 static int hdmi_choose_cvt(struct hda_codec *codec, 1319 int pin_idx, int *cvt_id, int *mux_id) 1320 { 1321 struct hdmi_spec *spec = codec->spec; 1322 struct hdmi_spec_per_pin *per_pin; 1323 struct hdmi_spec_per_cvt *per_cvt = NULL; 1324 int cvt_idx, mux_idx = 0; 1325 1326 per_pin = get_pin(spec, pin_idx); 1327 1328 /* Dynamically assign converter to stream */ 1329 for (cvt_idx = 0; cvt_idx < spec->num_cvts; cvt_idx++) { 1330 per_cvt = get_cvt(spec, cvt_idx); 1331 1332 /* Must not already be assigned */ 1333 if (per_cvt->assigned) 1334 continue; 1335 /* Must be in pin's mux's list of converters */ 1336 for (mux_idx = 0; mux_idx < per_pin->num_mux_nids; mux_idx++) 1337 if (per_pin->mux_nids[mux_idx] == per_cvt->cvt_nid) 1338 break; 1339 /* Not in mux list */ 1340 if (mux_idx == per_pin->num_mux_nids) 1341 continue; 1342 break; 1343 } 1344 1345 /* No free converters */ 1346 if (cvt_idx == spec->num_cvts) 1347 return -ENODEV; 1348 1349 per_pin->mux_idx = mux_idx; 1350 1351 if (cvt_id) 1352 *cvt_id = cvt_idx; 1353 if (mux_id) 1354 *mux_id = mux_idx; 1355 1356 return 0; 1357 } 1358 1359 /* Assure the pin select the right convetor */ 1360 static void intel_verify_pin_cvt_connect(struct hda_codec *codec, 1361 struct hdmi_spec_per_pin *per_pin) 1362 { 1363 hda_nid_t pin_nid = per_pin->pin_nid; 1364 int mux_idx, curr; 1365 1366 mux_idx = per_pin->mux_idx; 1367 curr = snd_hda_codec_read(codec, pin_nid, 0, 1368 AC_VERB_GET_CONNECT_SEL, 0); 1369 if (curr != mux_idx) 1370 snd_hda_codec_write_cache(codec, pin_nid, 0, 1371 AC_VERB_SET_CONNECT_SEL, 1372 mux_idx); 1373 } 1374 1375 /* Intel HDMI workaround to fix audio routing issue: 1376 * For some Intel display codecs, pins share the same connection list. 1377 * So a conveter can be selected by multiple pins and playback on any of these 1378 * pins will generate sound on the external display, because audio flows from 1379 * the same converter to the display pipeline. Also muting one pin may make 1380 * other pins have no sound output. 1381 * So this function assures that an assigned converter for a pin is not selected 1382 * by any other pins. 1383 */ 1384 static void intel_not_share_assigned_cvt(struct hda_codec *codec, 1385 hda_nid_t pin_nid, int mux_idx) 1386 { 1387 struct hdmi_spec *spec = codec->spec; 1388 hda_nid_t nid, end_nid; 1389 int cvt_idx, curr; 1390 struct hdmi_spec_per_cvt *per_cvt; 1391 1392 /* configure all pins, including "no physical connection" ones */ 1393 end_nid = codec->start_nid + codec->num_nodes; 1394 for (nid = codec->start_nid; nid < end_nid; nid++) { 1395 unsigned int wid_caps = get_wcaps(codec, nid); 1396 unsigned int wid_type = get_wcaps_type(wid_caps); 1397 1398 if (wid_type != AC_WID_PIN) 1399 continue; 1400 1401 if (nid == pin_nid) 1402 continue; 1403 1404 curr = snd_hda_codec_read(codec, nid, 0, 1405 AC_VERB_GET_CONNECT_SEL, 0); 1406 if (curr != mux_idx) 1407 continue; 1408 1409 /* choose an unassigned converter. The conveters in the 1410 * connection list are in the same order as in the codec. 1411 */ 1412 for (cvt_idx = 0; cvt_idx < spec->num_cvts; cvt_idx++) { 1413 per_cvt = get_cvt(spec, cvt_idx); 1414 if (!per_cvt->assigned) { 1415 codec_dbg(codec, 1416 "choose cvt %d for pin nid %d\n", 1417 cvt_idx, nid); 1418 snd_hda_codec_write_cache(codec, nid, 0, 1419 AC_VERB_SET_CONNECT_SEL, 1420 cvt_idx); 1421 break; 1422 } 1423 } 1424 } 1425 } 1426 1427 /* 1428 * HDA PCM callbacks 1429 */ 1430 static int hdmi_pcm_open(struct hda_pcm_stream *hinfo, 1431 struct hda_codec *codec, 1432 struct snd_pcm_substream *substream) 1433 { 1434 struct hdmi_spec *spec = codec->spec; 1435 struct snd_pcm_runtime *runtime = substream->runtime; 1436 int pin_idx, cvt_idx, mux_idx = 0; 1437 struct hdmi_spec_per_pin *per_pin; 1438 struct hdmi_eld *eld; 1439 struct hdmi_spec_per_cvt *per_cvt = NULL; 1440 int err; 1441 1442 /* Validate hinfo */ 1443 pin_idx = hinfo_to_pin_index(codec, hinfo); 1444 if (snd_BUG_ON(pin_idx < 0)) 1445 return -EINVAL; 1446 per_pin = get_pin(spec, pin_idx); 1447 eld = &per_pin->sink_eld; 1448 1449 err = hdmi_choose_cvt(codec, pin_idx, &cvt_idx, &mux_idx); 1450 if (err < 0) 1451 return err; 1452 1453 per_cvt = get_cvt(spec, cvt_idx); 1454 /* Claim converter */ 1455 per_cvt->assigned = 1; 1456 per_pin->cvt_nid = per_cvt->cvt_nid; 1457 hinfo->nid = per_cvt->cvt_nid; 1458 1459 snd_hda_codec_write_cache(codec, per_pin->pin_nid, 0, 1460 AC_VERB_SET_CONNECT_SEL, 1461 mux_idx); 1462 1463 /* configure unused pins to choose other converters */ 1464 if (is_haswell_plus(codec) || is_valleyview_plus(codec)) 1465 intel_not_share_assigned_cvt(codec, per_pin->pin_nid, mux_idx); 1466 1467 snd_hda_spdif_ctls_assign(codec, pin_idx, per_cvt->cvt_nid); 1468 1469 /* Initially set the converter's capabilities */ 1470 hinfo->channels_min = per_cvt->channels_min; 1471 hinfo->channels_max = per_cvt->channels_max; 1472 hinfo->rates = per_cvt->rates; 1473 hinfo->formats = per_cvt->formats; 1474 hinfo->maxbps = per_cvt->maxbps; 1475 1476 /* Restrict capabilities by ELD if this isn't disabled */ 1477 if (!static_hdmi_pcm && eld->eld_valid) { 1478 snd_hdmi_eld_update_pcm_info(&eld->info, hinfo); 1479 if (hinfo->channels_min > hinfo->channels_max || 1480 !hinfo->rates || !hinfo->formats) { 1481 per_cvt->assigned = 0; 1482 hinfo->nid = 0; 1483 snd_hda_spdif_ctls_unassign(codec, pin_idx); 1484 return -ENODEV; 1485 } 1486 } 1487 1488 /* Store the updated parameters */ 1489 runtime->hw.channels_min = hinfo->channels_min; 1490 runtime->hw.channels_max = hinfo->channels_max; 1491 runtime->hw.formats = hinfo->formats; 1492 runtime->hw.rates = hinfo->rates; 1493 1494 snd_pcm_hw_constraint_step(substream->runtime, 0, 1495 SNDRV_PCM_HW_PARAM_CHANNELS, 2); 1496 return 0; 1497 } 1498 1499 /* 1500 * HDA/HDMI auto parsing 1501 */ 1502 static int hdmi_read_pin_conn(struct hda_codec *codec, int pin_idx) 1503 { 1504 struct hdmi_spec *spec = codec->spec; 1505 struct hdmi_spec_per_pin *per_pin = get_pin(spec, pin_idx); 1506 hda_nid_t pin_nid = per_pin->pin_nid; 1507 1508 if (!(get_wcaps(codec, pin_nid) & AC_WCAP_CONN_LIST)) { 1509 codec_warn(codec, 1510 "HDMI: pin %d wcaps %#x does not support connection list\n", 1511 pin_nid, get_wcaps(codec, pin_nid)); 1512 return -EINVAL; 1513 } 1514 1515 per_pin->num_mux_nids = snd_hda_get_connections(codec, pin_nid, 1516 per_pin->mux_nids, 1517 HDA_MAX_CONNECTIONS); 1518 1519 return 0; 1520 } 1521 1522 static bool hdmi_present_sense(struct hdmi_spec_per_pin *per_pin, int repoll) 1523 { 1524 struct hda_jack_tbl *jack; 1525 struct hda_codec *codec = per_pin->codec; 1526 struct hdmi_spec *spec = codec->spec; 1527 struct hdmi_eld *eld = &spec->temp_eld; 1528 struct hdmi_eld *pin_eld = &per_pin->sink_eld; 1529 hda_nid_t pin_nid = per_pin->pin_nid; 1530 /* 1531 * Always execute a GetPinSense verb here, even when called from 1532 * hdmi_intrinsic_event; for some NVIDIA HW, the unsolicited 1533 * response's PD bit is not the real PD value, but indicates that 1534 * the real PD value changed. An older version of the HD-audio 1535 * specification worked this way. Hence, we just ignore the data in 1536 * the unsolicited response to avoid custom WARs. 1537 */ 1538 int present; 1539 bool update_eld = false; 1540 bool eld_changed = false; 1541 bool ret; 1542 1543 snd_hda_power_up(codec); 1544 present = snd_hda_pin_sense(codec, pin_nid); 1545 1546 mutex_lock(&per_pin->lock); 1547 pin_eld->monitor_present = !!(present & AC_PINSENSE_PRESENCE); 1548 if (pin_eld->monitor_present) 1549 eld->eld_valid = !!(present & AC_PINSENSE_ELDV); 1550 else 1551 eld->eld_valid = false; 1552 1553 codec_dbg(codec, 1554 "HDMI status: Codec=%d Pin=%d Presence_Detect=%d ELD_Valid=%d\n", 1555 codec->addr, pin_nid, pin_eld->monitor_present, eld->eld_valid); 1556 1557 if (eld->eld_valid) { 1558 if (spec->ops.pin_get_eld(codec, pin_nid, eld->eld_buffer, 1559 &eld->eld_size) < 0) 1560 eld->eld_valid = false; 1561 else { 1562 memset(&eld->info, 0, sizeof(struct parsed_hdmi_eld)); 1563 if (snd_hdmi_parse_eld(codec, &eld->info, eld->eld_buffer, 1564 eld->eld_size) < 0) 1565 eld->eld_valid = false; 1566 } 1567 1568 if (eld->eld_valid) { 1569 snd_hdmi_show_eld(codec, &eld->info); 1570 update_eld = true; 1571 } 1572 else if (repoll) { 1573 queue_delayed_work(codec->bus->workq, 1574 &per_pin->work, 1575 msecs_to_jiffies(300)); 1576 goto unlock; 1577 } 1578 } 1579 1580 if (pin_eld->eld_valid && !eld->eld_valid) { 1581 update_eld = true; 1582 eld_changed = true; 1583 } 1584 if (update_eld) { 1585 bool old_eld_valid = pin_eld->eld_valid; 1586 pin_eld->eld_valid = eld->eld_valid; 1587 eld_changed = pin_eld->eld_size != eld->eld_size || 1588 memcmp(pin_eld->eld_buffer, eld->eld_buffer, 1589 eld->eld_size) != 0; 1590 if (eld_changed) 1591 memcpy(pin_eld->eld_buffer, eld->eld_buffer, 1592 eld->eld_size); 1593 pin_eld->eld_size = eld->eld_size; 1594 pin_eld->info = eld->info; 1595 1596 /* 1597 * Re-setup pin and infoframe. This is needed e.g. when 1598 * - sink is first plugged-in (infoframe is not set up if !monitor_present) 1599 * - transcoder can change during stream playback on Haswell 1600 * and this can make HW reset converter selection on a pin. 1601 */ 1602 if (eld->eld_valid && !old_eld_valid && per_pin->setup) { 1603 if (is_haswell_plus(codec) || 1604 is_valleyview_plus(codec)) { 1605 intel_verify_pin_cvt_connect(codec, per_pin); 1606 intel_not_share_assigned_cvt(codec, pin_nid, 1607 per_pin->mux_idx); 1608 } 1609 1610 hdmi_setup_audio_infoframe(codec, per_pin, 1611 per_pin->non_pcm); 1612 } 1613 } 1614 1615 if (eld_changed) 1616 snd_ctl_notify(codec->bus->card, 1617 SNDRV_CTL_EVENT_MASK_VALUE | SNDRV_CTL_EVENT_MASK_INFO, 1618 &per_pin->eld_ctl->id); 1619 unlock: 1620 ret = !repoll || !pin_eld->monitor_present || pin_eld->eld_valid; 1621 1622 jack = snd_hda_jack_tbl_get(codec, pin_nid); 1623 if (jack) 1624 jack->block_report = !ret; 1625 1626 mutex_unlock(&per_pin->lock); 1627 snd_hda_power_down(codec); 1628 return ret; 1629 } 1630 1631 static void hdmi_repoll_eld(struct work_struct *work) 1632 { 1633 struct hdmi_spec_per_pin *per_pin = 1634 container_of(to_delayed_work(work), struct hdmi_spec_per_pin, work); 1635 1636 if (per_pin->repoll_count++ > 6) 1637 per_pin->repoll_count = 0; 1638 1639 if (hdmi_present_sense(per_pin, per_pin->repoll_count)) 1640 snd_hda_jack_report_sync(per_pin->codec); 1641 } 1642 1643 static void intel_haswell_fixup_connect_list(struct hda_codec *codec, 1644 hda_nid_t nid); 1645 1646 static int hdmi_add_pin(struct hda_codec *codec, hda_nid_t pin_nid) 1647 { 1648 struct hdmi_spec *spec = codec->spec; 1649 unsigned int caps, config; 1650 int pin_idx; 1651 struct hdmi_spec_per_pin *per_pin; 1652 int err; 1653 1654 caps = snd_hda_query_pin_caps(codec, pin_nid); 1655 if (!(caps & (AC_PINCAP_HDMI | AC_PINCAP_DP))) 1656 return 0; 1657 1658 config = snd_hda_codec_get_pincfg(codec, pin_nid); 1659 if (get_defcfg_connect(config) == AC_JACK_PORT_NONE) 1660 return 0; 1661 1662 if (is_haswell_plus(codec)) 1663 intel_haswell_fixup_connect_list(codec, pin_nid); 1664 1665 pin_idx = spec->num_pins; 1666 per_pin = snd_array_new(&spec->pins); 1667 if (!per_pin) 1668 return -ENOMEM; 1669 1670 per_pin->pin_nid = pin_nid; 1671 per_pin->non_pcm = false; 1672 1673 err = hdmi_read_pin_conn(codec, pin_idx); 1674 if (err < 0) 1675 return err; 1676 1677 spec->num_pins++; 1678 1679 return 0; 1680 } 1681 1682 static int hdmi_add_cvt(struct hda_codec *codec, hda_nid_t cvt_nid) 1683 { 1684 struct hdmi_spec *spec = codec->spec; 1685 struct hdmi_spec_per_cvt *per_cvt; 1686 unsigned int chans; 1687 int err; 1688 1689 chans = get_wcaps(codec, cvt_nid); 1690 chans = get_wcaps_channels(chans); 1691 1692 per_cvt = snd_array_new(&spec->cvts); 1693 if (!per_cvt) 1694 return -ENOMEM; 1695 1696 per_cvt->cvt_nid = cvt_nid; 1697 per_cvt->channels_min = 2; 1698 if (chans <= 16) { 1699 per_cvt->channels_max = chans; 1700 if (chans > spec->channels_max) 1701 spec->channels_max = chans; 1702 } 1703 1704 err = snd_hda_query_supported_pcm(codec, cvt_nid, 1705 &per_cvt->rates, 1706 &per_cvt->formats, 1707 &per_cvt->maxbps); 1708 if (err < 0) 1709 return err; 1710 1711 if (spec->num_cvts < ARRAY_SIZE(spec->cvt_nids)) 1712 spec->cvt_nids[spec->num_cvts] = cvt_nid; 1713 spec->num_cvts++; 1714 1715 return 0; 1716 } 1717 1718 static int hdmi_parse_codec(struct hda_codec *codec) 1719 { 1720 hda_nid_t nid; 1721 int i, nodes; 1722 1723 nodes = snd_hda_get_sub_nodes(codec, codec->afg, &nid); 1724 if (!nid || nodes < 0) { 1725 codec_warn(codec, "HDMI: failed to get afg sub nodes\n"); 1726 return -EINVAL; 1727 } 1728 1729 for (i = 0; i < nodes; i++, nid++) { 1730 unsigned int caps; 1731 unsigned int type; 1732 1733 caps = get_wcaps(codec, nid); 1734 type = get_wcaps_type(caps); 1735 1736 if (!(caps & AC_WCAP_DIGITAL)) 1737 continue; 1738 1739 switch (type) { 1740 case AC_WID_AUD_OUT: 1741 hdmi_add_cvt(codec, nid); 1742 break; 1743 case AC_WID_PIN: 1744 hdmi_add_pin(codec, nid); 1745 break; 1746 } 1747 } 1748 1749 return 0; 1750 } 1751 1752 /* 1753 */ 1754 static bool check_non_pcm_per_cvt(struct hda_codec *codec, hda_nid_t cvt_nid) 1755 { 1756 struct hda_spdif_out *spdif; 1757 bool non_pcm; 1758 1759 mutex_lock(&codec->spdif_mutex); 1760 spdif = snd_hda_spdif_out_of_nid(codec, cvt_nid); 1761 non_pcm = !!(spdif->status & IEC958_AES0_NONAUDIO); 1762 mutex_unlock(&codec->spdif_mutex); 1763 return non_pcm; 1764 } 1765 1766 1767 /* 1768 * HDMI callbacks 1769 */ 1770 1771 static int generic_hdmi_playback_pcm_prepare(struct hda_pcm_stream *hinfo, 1772 struct hda_codec *codec, 1773 unsigned int stream_tag, 1774 unsigned int format, 1775 struct snd_pcm_substream *substream) 1776 { 1777 hda_nid_t cvt_nid = hinfo->nid; 1778 struct hdmi_spec *spec = codec->spec; 1779 int pin_idx = hinfo_to_pin_index(codec, hinfo); 1780 struct hdmi_spec_per_pin *per_pin = get_pin(spec, pin_idx); 1781 hda_nid_t pin_nid = per_pin->pin_nid; 1782 bool non_pcm; 1783 int pinctl; 1784 1785 if (is_haswell_plus(codec) || is_valleyview_plus(codec)) { 1786 /* Verify pin:cvt selections to avoid silent audio after S3. 1787 * After S3, the audio driver restores pin:cvt selections 1788 * but this can happen before gfx is ready and such selection 1789 * is overlooked by HW. Thus multiple pins can share a same 1790 * default convertor and mute control will affect each other, 1791 * which can cause a resumed audio playback become silent 1792 * after S3. 1793 */ 1794 intel_verify_pin_cvt_connect(codec, per_pin); 1795 intel_not_share_assigned_cvt(codec, pin_nid, per_pin->mux_idx); 1796 } 1797 1798 non_pcm = check_non_pcm_per_cvt(codec, cvt_nid); 1799 mutex_lock(&per_pin->lock); 1800 per_pin->channels = substream->runtime->channels; 1801 per_pin->setup = true; 1802 1803 hdmi_setup_audio_infoframe(codec, per_pin, non_pcm); 1804 mutex_unlock(&per_pin->lock); 1805 1806 if (spec->dyn_pin_out) { 1807 pinctl = snd_hda_codec_read(codec, pin_nid, 0, 1808 AC_VERB_GET_PIN_WIDGET_CONTROL, 0); 1809 snd_hda_codec_write(codec, pin_nid, 0, 1810 AC_VERB_SET_PIN_WIDGET_CONTROL, 1811 pinctl | PIN_OUT); 1812 } 1813 1814 return spec->ops.setup_stream(codec, cvt_nid, pin_nid, stream_tag, format); 1815 } 1816 1817 static int generic_hdmi_playback_pcm_cleanup(struct hda_pcm_stream *hinfo, 1818 struct hda_codec *codec, 1819 struct snd_pcm_substream *substream) 1820 { 1821 snd_hda_codec_cleanup_stream(codec, hinfo->nid); 1822 return 0; 1823 } 1824 1825 static int hdmi_pcm_close(struct hda_pcm_stream *hinfo, 1826 struct hda_codec *codec, 1827 struct snd_pcm_substream *substream) 1828 { 1829 struct hdmi_spec *spec = codec->spec; 1830 int cvt_idx, pin_idx; 1831 struct hdmi_spec_per_cvt *per_cvt; 1832 struct hdmi_spec_per_pin *per_pin; 1833 int pinctl; 1834 1835 if (hinfo->nid) { 1836 cvt_idx = cvt_nid_to_cvt_index(codec, hinfo->nid); 1837 if (snd_BUG_ON(cvt_idx < 0)) 1838 return -EINVAL; 1839 per_cvt = get_cvt(spec, cvt_idx); 1840 1841 snd_BUG_ON(!per_cvt->assigned); 1842 per_cvt->assigned = 0; 1843 hinfo->nid = 0; 1844 1845 pin_idx = hinfo_to_pin_index(codec, hinfo); 1846 if (snd_BUG_ON(pin_idx < 0)) 1847 return -EINVAL; 1848 per_pin = get_pin(spec, pin_idx); 1849 1850 if (spec->dyn_pin_out) { 1851 pinctl = snd_hda_codec_read(codec, per_pin->pin_nid, 0, 1852 AC_VERB_GET_PIN_WIDGET_CONTROL, 0); 1853 snd_hda_codec_write(codec, per_pin->pin_nid, 0, 1854 AC_VERB_SET_PIN_WIDGET_CONTROL, 1855 pinctl & ~PIN_OUT); 1856 } 1857 1858 snd_hda_spdif_ctls_unassign(codec, pin_idx); 1859 1860 mutex_lock(&per_pin->lock); 1861 per_pin->chmap_set = false; 1862 memset(per_pin->chmap, 0, sizeof(per_pin->chmap)); 1863 1864 per_pin->setup = false; 1865 per_pin->channels = 0; 1866 mutex_unlock(&per_pin->lock); 1867 } 1868 1869 return 0; 1870 } 1871 1872 static const struct hda_pcm_ops generic_ops = { 1873 .open = hdmi_pcm_open, 1874 .close = hdmi_pcm_close, 1875 .prepare = generic_hdmi_playback_pcm_prepare, 1876 .cleanup = generic_hdmi_playback_pcm_cleanup, 1877 }; 1878 1879 /* 1880 * ALSA API channel-map control callbacks 1881 */ 1882 static int hdmi_chmap_ctl_info(struct snd_kcontrol *kcontrol, 1883 struct snd_ctl_elem_info *uinfo) 1884 { 1885 struct snd_pcm_chmap *info = snd_kcontrol_chip(kcontrol); 1886 struct hda_codec *codec = info->private_data; 1887 struct hdmi_spec *spec = codec->spec; 1888 uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; 1889 uinfo->count = spec->channels_max; 1890 uinfo->value.integer.min = 0; 1891 uinfo->value.integer.max = SNDRV_CHMAP_LAST; 1892 return 0; 1893 } 1894 1895 static int hdmi_chmap_cea_alloc_validate_get_type(struct cea_channel_speaker_allocation *cap, 1896 int channels) 1897 { 1898 /* If the speaker allocation matches the channel count, it is OK.*/ 1899 if (cap->channels != channels) 1900 return -1; 1901 1902 /* all channels are remappable freely */ 1903 return SNDRV_CTL_TLVT_CHMAP_VAR; 1904 } 1905 1906 static void hdmi_cea_alloc_to_tlv_chmap(struct cea_channel_speaker_allocation *cap, 1907 unsigned int *chmap, int channels) 1908 { 1909 int count = 0; 1910 int c; 1911 1912 for (c = 7; c >= 0; c--) { 1913 int spk = cap->speakers[c]; 1914 if (!spk) 1915 continue; 1916 1917 chmap[count++] = spk_to_chmap(spk); 1918 } 1919 1920 WARN_ON(count != channels); 1921 } 1922 1923 static int hdmi_chmap_ctl_tlv(struct snd_kcontrol *kcontrol, int op_flag, 1924 unsigned int size, unsigned int __user *tlv) 1925 { 1926 struct snd_pcm_chmap *info = snd_kcontrol_chip(kcontrol); 1927 struct hda_codec *codec = info->private_data; 1928 struct hdmi_spec *spec = codec->spec; 1929 unsigned int __user *dst; 1930 int chs, count = 0; 1931 1932 if (size < 8) 1933 return -ENOMEM; 1934 if (put_user(SNDRV_CTL_TLVT_CONTAINER, tlv)) 1935 return -EFAULT; 1936 size -= 8; 1937 dst = tlv + 2; 1938 for (chs = 2; chs <= spec->channels_max; chs++) { 1939 int i; 1940 struct cea_channel_speaker_allocation *cap; 1941 cap = channel_allocations; 1942 for (i = 0; i < ARRAY_SIZE(channel_allocations); i++, cap++) { 1943 int chs_bytes = chs * 4; 1944 int type = spec->ops.chmap_cea_alloc_validate_get_type(cap, chs); 1945 unsigned int tlv_chmap[8]; 1946 1947 if (type < 0) 1948 continue; 1949 if (size < 8) 1950 return -ENOMEM; 1951 if (put_user(type, dst) || 1952 put_user(chs_bytes, dst + 1)) 1953 return -EFAULT; 1954 dst += 2; 1955 size -= 8; 1956 count += 8; 1957 if (size < chs_bytes) 1958 return -ENOMEM; 1959 size -= chs_bytes; 1960 count += chs_bytes; 1961 spec->ops.cea_alloc_to_tlv_chmap(cap, tlv_chmap, chs); 1962 if (copy_to_user(dst, tlv_chmap, chs_bytes)) 1963 return -EFAULT; 1964 dst += chs; 1965 } 1966 } 1967 if (put_user(count, tlv + 1)) 1968 return -EFAULT; 1969 return 0; 1970 } 1971 1972 static int hdmi_chmap_ctl_get(struct snd_kcontrol *kcontrol, 1973 struct snd_ctl_elem_value *ucontrol) 1974 { 1975 struct snd_pcm_chmap *info = snd_kcontrol_chip(kcontrol); 1976 struct hda_codec *codec = info->private_data; 1977 struct hdmi_spec *spec = codec->spec; 1978 int pin_idx = kcontrol->private_value; 1979 struct hdmi_spec_per_pin *per_pin = get_pin(spec, pin_idx); 1980 int i; 1981 1982 for (i = 0; i < ARRAY_SIZE(per_pin->chmap); i++) 1983 ucontrol->value.integer.value[i] = per_pin->chmap[i]; 1984 return 0; 1985 } 1986 1987 static int hdmi_chmap_ctl_put(struct snd_kcontrol *kcontrol, 1988 struct snd_ctl_elem_value *ucontrol) 1989 { 1990 struct snd_pcm_chmap *info = snd_kcontrol_chip(kcontrol); 1991 struct hda_codec *codec = info->private_data; 1992 struct hdmi_spec *spec = codec->spec; 1993 int pin_idx = kcontrol->private_value; 1994 struct hdmi_spec_per_pin *per_pin = get_pin(spec, pin_idx); 1995 unsigned int ctl_idx; 1996 struct snd_pcm_substream *substream; 1997 unsigned char chmap[8]; 1998 int i, err, ca, prepared = 0; 1999 2000 ctl_idx = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id); 2001 substream = snd_pcm_chmap_substream(info, ctl_idx); 2002 if (!substream || !substream->runtime) 2003 return 0; /* just for avoiding error from alsactl restore */ 2004 switch (substream->runtime->status->state) { 2005 case SNDRV_PCM_STATE_OPEN: 2006 case SNDRV_PCM_STATE_SETUP: 2007 break; 2008 case SNDRV_PCM_STATE_PREPARED: 2009 prepared = 1; 2010 break; 2011 default: 2012 return -EBUSY; 2013 } 2014 memset(chmap, 0, sizeof(chmap)); 2015 for (i = 0; i < ARRAY_SIZE(chmap); i++) 2016 chmap[i] = ucontrol->value.integer.value[i]; 2017 if (!memcmp(chmap, per_pin->chmap, sizeof(chmap))) 2018 return 0; 2019 ca = hdmi_manual_channel_allocation(ARRAY_SIZE(chmap), chmap); 2020 if (ca < 0) 2021 return -EINVAL; 2022 if (spec->ops.chmap_validate) { 2023 err = spec->ops.chmap_validate(ca, ARRAY_SIZE(chmap), chmap); 2024 if (err) 2025 return err; 2026 } 2027 mutex_lock(&per_pin->lock); 2028 per_pin->chmap_set = true; 2029 memcpy(per_pin->chmap, chmap, sizeof(chmap)); 2030 if (prepared) 2031 hdmi_setup_audio_infoframe(codec, per_pin, per_pin->non_pcm); 2032 mutex_unlock(&per_pin->lock); 2033 2034 return 0; 2035 } 2036 2037 static int generic_hdmi_build_pcms(struct hda_codec *codec) 2038 { 2039 struct hdmi_spec *spec = codec->spec; 2040 int pin_idx; 2041 2042 for (pin_idx = 0; pin_idx < spec->num_pins; pin_idx++) { 2043 struct hda_pcm *info; 2044 struct hda_pcm_stream *pstr; 2045 struct hdmi_spec_per_pin *per_pin; 2046 2047 per_pin = get_pin(spec, pin_idx); 2048 sprintf(per_pin->pcm_name, "HDMI %d", pin_idx); 2049 info = snd_array_new(&spec->pcm_rec); 2050 if (!info) 2051 return -ENOMEM; 2052 info->name = per_pin->pcm_name; 2053 info->pcm_type = HDA_PCM_TYPE_HDMI; 2054 info->own_chmap = true; 2055 2056 pstr = &info->stream[SNDRV_PCM_STREAM_PLAYBACK]; 2057 pstr->substreams = 1; 2058 pstr->ops = generic_ops; 2059 /* other pstr fields are set in open */ 2060 } 2061 2062 codec->num_pcms = spec->num_pins; 2063 codec->pcm_info = spec->pcm_rec.list; 2064 2065 return 0; 2066 } 2067 2068 static int generic_hdmi_build_jack(struct hda_codec *codec, int pin_idx) 2069 { 2070 char hdmi_str[32] = "HDMI/DP"; 2071 struct hdmi_spec *spec = codec->spec; 2072 struct hdmi_spec_per_pin *per_pin = get_pin(spec, pin_idx); 2073 int pcmdev = get_pcm_rec(spec, pin_idx)->device; 2074 2075 if (pcmdev > 0) 2076 sprintf(hdmi_str + strlen(hdmi_str), ",pcm=%d", pcmdev); 2077 if (!is_jack_detectable(codec, per_pin->pin_nid)) 2078 strncat(hdmi_str, " Phantom", 2079 sizeof(hdmi_str) - strlen(hdmi_str) - 1); 2080 2081 return snd_hda_jack_add_kctl(codec, per_pin->pin_nid, hdmi_str, 0); 2082 } 2083 2084 static int generic_hdmi_build_controls(struct hda_codec *codec) 2085 { 2086 struct hdmi_spec *spec = codec->spec; 2087 int err; 2088 int pin_idx; 2089 2090 for (pin_idx = 0; pin_idx < spec->num_pins; pin_idx++) { 2091 struct hdmi_spec_per_pin *per_pin = get_pin(spec, pin_idx); 2092 2093 err = generic_hdmi_build_jack(codec, pin_idx); 2094 if (err < 0) 2095 return err; 2096 2097 err = snd_hda_create_dig_out_ctls(codec, 2098 per_pin->pin_nid, 2099 per_pin->mux_nids[0], 2100 HDA_PCM_TYPE_HDMI); 2101 if (err < 0) 2102 return err; 2103 snd_hda_spdif_ctls_unassign(codec, pin_idx); 2104 2105 /* add control for ELD Bytes */ 2106 err = hdmi_create_eld_ctl(codec, pin_idx, 2107 get_pcm_rec(spec, pin_idx)->device); 2108 2109 if (err < 0) 2110 return err; 2111 2112 hdmi_present_sense(per_pin, 0); 2113 } 2114 2115 /* add channel maps */ 2116 for (pin_idx = 0; pin_idx < spec->num_pins; pin_idx++) { 2117 struct snd_pcm_chmap *chmap; 2118 struct snd_kcontrol *kctl; 2119 int i; 2120 2121 if (!codec->pcm_info[pin_idx].pcm) 2122 break; 2123 err = snd_pcm_add_chmap_ctls(codec->pcm_info[pin_idx].pcm, 2124 SNDRV_PCM_STREAM_PLAYBACK, 2125 NULL, 0, pin_idx, &chmap); 2126 if (err < 0) 2127 return err; 2128 /* override handlers */ 2129 chmap->private_data = codec; 2130 kctl = chmap->kctl; 2131 for (i = 0; i < kctl->count; i++) 2132 kctl->vd[i].access |= SNDRV_CTL_ELEM_ACCESS_WRITE; 2133 kctl->info = hdmi_chmap_ctl_info; 2134 kctl->get = hdmi_chmap_ctl_get; 2135 kctl->put = hdmi_chmap_ctl_put; 2136 kctl->tlv.c = hdmi_chmap_ctl_tlv; 2137 } 2138 2139 return 0; 2140 } 2141 2142 static int generic_hdmi_init_per_pins(struct hda_codec *codec) 2143 { 2144 struct hdmi_spec *spec = codec->spec; 2145 int pin_idx; 2146 2147 for (pin_idx = 0; pin_idx < spec->num_pins; pin_idx++) { 2148 struct hdmi_spec_per_pin *per_pin = get_pin(spec, pin_idx); 2149 2150 per_pin->codec = codec; 2151 mutex_init(&per_pin->lock); 2152 INIT_DELAYED_WORK(&per_pin->work, hdmi_repoll_eld); 2153 eld_proc_new(per_pin, pin_idx); 2154 } 2155 return 0; 2156 } 2157 2158 static int generic_hdmi_init(struct hda_codec *codec) 2159 { 2160 struct hdmi_spec *spec = codec->spec; 2161 int pin_idx; 2162 2163 for (pin_idx = 0; pin_idx < spec->num_pins; pin_idx++) { 2164 struct hdmi_spec_per_pin *per_pin = get_pin(spec, pin_idx); 2165 hda_nid_t pin_nid = per_pin->pin_nid; 2166 2167 hdmi_init_pin(codec, pin_nid); 2168 snd_hda_jack_detect_enable_callback(codec, pin_nid, pin_nid, 2169 codec->jackpoll_interval > 0 ? jack_callback : NULL); 2170 } 2171 return 0; 2172 } 2173 2174 static void hdmi_array_init(struct hdmi_spec *spec, int nums) 2175 { 2176 snd_array_init(&spec->pins, sizeof(struct hdmi_spec_per_pin), nums); 2177 snd_array_init(&spec->cvts, sizeof(struct hdmi_spec_per_cvt), nums); 2178 snd_array_init(&spec->pcm_rec, sizeof(struct hda_pcm), nums); 2179 } 2180 2181 static void hdmi_array_free(struct hdmi_spec *spec) 2182 { 2183 snd_array_free(&spec->pins); 2184 snd_array_free(&spec->cvts); 2185 snd_array_free(&spec->pcm_rec); 2186 } 2187 2188 static void generic_hdmi_free(struct hda_codec *codec) 2189 { 2190 struct hdmi_spec *spec = codec->spec; 2191 int pin_idx; 2192 2193 for (pin_idx = 0; pin_idx < spec->num_pins; pin_idx++) { 2194 struct hdmi_spec_per_pin *per_pin = get_pin(spec, pin_idx); 2195 2196 cancel_delayed_work(&per_pin->work); 2197 eld_proc_free(per_pin); 2198 } 2199 2200 flush_workqueue(codec->bus->workq); 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 snd_hda_codec_resume_amp(codec); 2213 snd_hda_codec_resume_cache(codec); 2214 2215 for (pin_idx = 0; pin_idx < spec->num_pins; pin_idx++) { 2216 struct hdmi_spec_per_pin *per_pin = get_pin(spec, pin_idx); 2217 hdmi_present_sense(per_pin, 1); 2218 } 2219 return 0; 2220 } 2221 #endif 2222 2223 static const struct hda_codec_ops generic_hdmi_patch_ops = { 2224 .init = generic_hdmi_init, 2225 .free = generic_hdmi_free, 2226 .build_pcms = generic_hdmi_build_pcms, 2227 .build_controls = generic_hdmi_build_controls, 2228 .unsol_event = hdmi_unsol_event, 2229 #ifdef CONFIG_PM 2230 .resume = generic_hdmi_resume, 2231 #endif 2232 }; 2233 2234 static const struct hdmi_ops generic_standard_hdmi_ops = { 2235 .pin_get_eld = snd_hdmi_get_eld, 2236 .pin_get_slot_channel = hdmi_pin_get_slot_channel, 2237 .pin_set_slot_channel = hdmi_pin_set_slot_channel, 2238 .pin_setup_infoframe = hdmi_pin_setup_infoframe, 2239 .pin_hbr_setup = hdmi_pin_hbr_setup, 2240 .setup_stream = hdmi_setup_stream, 2241 .chmap_cea_alloc_validate_get_type = hdmi_chmap_cea_alloc_validate_get_type, 2242 .cea_alloc_to_tlv_chmap = hdmi_cea_alloc_to_tlv_chmap, 2243 }; 2244 2245 2246 static void intel_haswell_fixup_connect_list(struct hda_codec *codec, 2247 hda_nid_t nid) 2248 { 2249 struct hdmi_spec *spec = codec->spec; 2250 hda_nid_t conns[4]; 2251 int nconns; 2252 2253 nconns = snd_hda_get_connections(codec, nid, conns, ARRAY_SIZE(conns)); 2254 if (nconns == spec->num_cvts && 2255 !memcmp(conns, spec->cvt_nids, spec->num_cvts * sizeof(hda_nid_t))) 2256 return; 2257 2258 /* override pins connection list */ 2259 codec_dbg(codec, "hdmi: haswell: override pin connection 0x%x\n", nid); 2260 snd_hda_override_conn_list(codec, nid, spec->num_cvts, spec->cvt_nids); 2261 } 2262 2263 #define INTEL_VENDOR_NID 0x08 2264 #define INTEL_GET_VENDOR_VERB 0xf81 2265 #define INTEL_SET_VENDOR_VERB 0x781 2266 #define INTEL_EN_DP12 0x02 /* enable DP 1.2 features */ 2267 #define INTEL_EN_ALL_PIN_CVTS 0x01 /* enable 2nd & 3rd pins and convertors */ 2268 2269 static void intel_haswell_enable_all_pins(struct hda_codec *codec, 2270 bool update_tree) 2271 { 2272 unsigned int vendor_param; 2273 2274 vendor_param = snd_hda_codec_read(codec, INTEL_VENDOR_NID, 0, 2275 INTEL_GET_VENDOR_VERB, 0); 2276 if (vendor_param == -1 || vendor_param & INTEL_EN_ALL_PIN_CVTS) 2277 return; 2278 2279 vendor_param |= INTEL_EN_ALL_PIN_CVTS; 2280 vendor_param = snd_hda_codec_read(codec, INTEL_VENDOR_NID, 0, 2281 INTEL_SET_VENDOR_VERB, vendor_param); 2282 if (vendor_param == -1) 2283 return; 2284 2285 if (update_tree) 2286 snd_hda_codec_update_widgets(codec); 2287 } 2288 2289 static void intel_haswell_fixup_enable_dp12(struct hda_codec *codec) 2290 { 2291 unsigned int vendor_param; 2292 2293 vendor_param = snd_hda_codec_read(codec, INTEL_VENDOR_NID, 0, 2294 INTEL_GET_VENDOR_VERB, 0); 2295 if (vendor_param == -1 || vendor_param & INTEL_EN_DP12) 2296 return; 2297 2298 /* enable DP1.2 mode */ 2299 vendor_param |= INTEL_EN_DP12; 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 if (is_haswell_plus(codec) || is_valleyview_plus(codec)) 2337 codec->depop_delay = 0; 2338 2339 if (hdmi_parse_codec(codec) < 0) { 2340 codec->spec = NULL; 2341 kfree(spec); 2342 return -EINVAL; 2343 } 2344 codec->patch_ops = generic_hdmi_patch_ops; 2345 if (is_haswell_plus(codec)) { 2346 codec->patch_ops.set_power_state = haswell_set_power_state; 2347 codec->dp_mst = true; 2348 } 2349 2350 generic_hdmi_init_per_pins(codec); 2351 2352 init_channel_allocations(); 2353 2354 return 0; 2355 } 2356 2357 /* 2358 * Shared non-generic implementations 2359 */ 2360 2361 static int simple_playback_build_pcms(struct hda_codec *codec) 2362 { 2363 struct hdmi_spec *spec = codec->spec; 2364 struct hda_pcm *info; 2365 unsigned int chans; 2366 struct hda_pcm_stream *pstr; 2367 struct hdmi_spec_per_cvt *per_cvt; 2368 2369 per_cvt = get_cvt(spec, 0); 2370 chans = get_wcaps(codec, per_cvt->cvt_nid); 2371 chans = get_wcaps_channels(chans); 2372 2373 info = snd_array_new(&spec->pcm_rec); 2374 if (!info) 2375 return -ENOMEM; 2376 info->name = get_pin(spec, 0)->pcm_name; 2377 sprintf(info->name, "HDMI 0"); 2378 info->pcm_type = HDA_PCM_TYPE_HDMI; 2379 pstr = &info->stream[SNDRV_PCM_STREAM_PLAYBACK]; 2380 *pstr = spec->pcm_playback; 2381 pstr->nid = per_cvt->cvt_nid; 2382 if (pstr->channels_max <= 2 && chans && chans <= 16) 2383 pstr->channels_max = chans; 2384 2385 codec->num_pcms = 1; 2386 codec->pcm_info = info; 2387 2388 return 0; 2389 } 2390 2391 /* unsolicited event for jack sensing */ 2392 static void simple_hdmi_unsol_event(struct hda_codec *codec, 2393 unsigned int res) 2394 { 2395 snd_hda_jack_set_dirty_all(codec); 2396 snd_hda_jack_report_sync(codec); 2397 } 2398 2399 /* generic_hdmi_build_jack can be used for simple_hdmi, too, 2400 * as long as spec->pins[] is set correctly 2401 */ 2402 #define simple_hdmi_build_jack generic_hdmi_build_jack 2403 2404 static int simple_playback_build_controls(struct hda_codec *codec) 2405 { 2406 struct hdmi_spec *spec = codec->spec; 2407 struct hdmi_spec_per_cvt *per_cvt; 2408 int err; 2409 2410 per_cvt = get_cvt(spec, 0); 2411 err = snd_hda_create_dig_out_ctls(codec, per_cvt->cvt_nid, 2412 per_cvt->cvt_nid, 2413 HDA_PCM_TYPE_HDMI); 2414 if (err < 0) 2415 return err; 2416 return simple_hdmi_build_jack(codec, 0); 2417 } 2418 2419 static int simple_playback_init(struct hda_codec *codec) 2420 { 2421 struct hdmi_spec *spec = codec->spec; 2422 struct hdmi_spec_per_pin *per_pin = get_pin(spec, 0); 2423 hda_nid_t pin = per_pin->pin_nid; 2424 2425 snd_hda_codec_write(codec, pin, 0, 2426 AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_OUT); 2427 /* some codecs require to unmute the pin */ 2428 if (get_wcaps(codec, pin) & AC_WCAP_OUT_AMP) 2429 snd_hda_codec_write(codec, pin, 0, AC_VERB_SET_AMP_GAIN_MUTE, 2430 AMP_OUT_UNMUTE); 2431 snd_hda_jack_detect_enable(codec, pin, pin); 2432 return 0; 2433 } 2434 2435 static void simple_playback_free(struct hda_codec *codec) 2436 { 2437 struct hdmi_spec *spec = codec->spec; 2438 2439 hdmi_array_free(spec); 2440 kfree(spec); 2441 } 2442 2443 /* 2444 * Nvidia specific implementations 2445 */ 2446 2447 #define Nv_VERB_SET_Channel_Allocation 0xF79 2448 #define Nv_VERB_SET_Info_Frame_Checksum 0xF7A 2449 #define Nv_VERB_SET_Audio_Protection_On 0xF98 2450 #define Nv_VERB_SET_Audio_Protection_Off 0xF99 2451 2452 #define nvhdmi_master_con_nid_7x 0x04 2453 #define nvhdmi_master_pin_nid_7x 0x05 2454 2455 static const hda_nid_t nvhdmi_con_nids_7x[4] = { 2456 /*front, rear, clfe, rear_surr */ 2457 0x6, 0x8, 0xa, 0xc, 2458 }; 2459 2460 static const struct hda_verb nvhdmi_basic_init_7x_2ch[] = { 2461 /* set audio protect on */ 2462 { 0x1, Nv_VERB_SET_Audio_Protection_On, 0x1}, 2463 /* enable digital output on pin widget */ 2464 { 0x5, AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_OUT | 0x5 }, 2465 {} /* terminator */ 2466 }; 2467 2468 static const struct hda_verb nvhdmi_basic_init_7x_8ch[] = { 2469 /* set audio protect on */ 2470 { 0x1, Nv_VERB_SET_Audio_Protection_On, 0x1}, 2471 /* enable digital output on pin widget */ 2472 { 0x5, AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_OUT | 0x5 }, 2473 { 0x7, AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_OUT | 0x5 }, 2474 { 0x9, AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_OUT | 0x5 }, 2475 { 0xb, AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_OUT | 0x5 }, 2476 { 0xd, AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_OUT | 0x5 }, 2477 {} /* terminator */ 2478 }; 2479 2480 #ifdef LIMITED_RATE_FMT_SUPPORT 2481 /* support only the safe format and rate */ 2482 #define SUPPORTED_RATES SNDRV_PCM_RATE_48000 2483 #define SUPPORTED_MAXBPS 16 2484 #define SUPPORTED_FORMATS SNDRV_PCM_FMTBIT_S16_LE 2485 #else 2486 /* support all rates and formats */ 2487 #define SUPPORTED_RATES \ 2488 (SNDRV_PCM_RATE_32000 | SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_48000 |\ 2489 SNDRV_PCM_RATE_88200 | SNDRV_PCM_RATE_96000 | SNDRV_PCM_RATE_176400 |\ 2490 SNDRV_PCM_RATE_192000) 2491 #define SUPPORTED_MAXBPS 24 2492 #define SUPPORTED_FORMATS \ 2493 (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S32_LE) 2494 #endif 2495 2496 static int nvhdmi_7x_init_2ch(struct hda_codec *codec) 2497 { 2498 snd_hda_sequence_write(codec, nvhdmi_basic_init_7x_2ch); 2499 return 0; 2500 } 2501 2502 static int nvhdmi_7x_init_8ch(struct hda_codec *codec) 2503 { 2504 snd_hda_sequence_write(codec, nvhdmi_basic_init_7x_8ch); 2505 return 0; 2506 } 2507 2508 static unsigned int channels_2_6_8[] = { 2509 2, 6, 8 2510 }; 2511 2512 static unsigned int channels_2_8[] = { 2513 2, 8 2514 }; 2515 2516 static struct snd_pcm_hw_constraint_list hw_constraints_2_6_8_channels = { 2517 .count = ARRAY_SIZE(channels_2_6_8), 2518 .list = channels_2_6_8, 2519 .mask = 0, 2520 }; 2521 2522 static struct snd_pcm_hw_constraint_list hw_constraints_2_8_channels = { 2523 .count = ARRAY_SIZE(channels_2_8), 2524 .list = channels_2_8, 2525 .mask = 0, 2526 }; 2527 2528 static int simple_playback_pcm_open(struct hda_pcm_stream *hinfo, 2529 struct hda_codec *codec, 2530 struct snd_pcm_substream *substream) 2531 { 2532 struct hdmi_spec *spec = codec->spec; 2533 struct snd_pcm_hw_constraint_list *hw_constraints_channels = NULL; 2534 2535 switch (codec->preset->id) { 2536 case 0x10de0002: 2537 case 0x10de0003: 2538 case 0x10de0005: 2539 case 0x10de0006: 2540 hw_constraints_channels = &hw_constraints_2_8_channels; 2541 break; 2542 case 0x10de0007: 2543 hw_constraints_channels = &hw_constraints_2_6_8_channels; 2544 break; 2545 default: 2546 break; 2547 } 2548 2549 if (hw_constraints_channels != NULL) { 2550 snd_pcm_hw_constraint_list(substream->runtime, 0, 2551 SNDRV_PCM_HW_PARAM_CHANNELS, 2552 hw_constraints_channels); 2553 } else { 2554 snd_pcm_hw_constraint_step(substream->runtime, 0, 2555 SNDRV_PCM_HW_PARAM_CHANNELS, 2); 2556 } 2557 2558 return snd_hda_multi_out_dig_open(codec, &spec->multiout); 2559 } 2560 2561 static int simple_playback_pcm_close(struct hda_pcm_stream *hinfo, 2562 struct hda_codec *codec, 2563 struct snd_pcm_substream *substream) 2564 { 2565 struct hdmi_spec *spec = codec->spec; 2566 return snd_hda_multi_out_dig_close(codec, &spec->multiout); 2567 } 2568 2569 static int simple_playback_pcm_prepare(struct hda_pcm_stream *hinfo, 2570 struct hda_codec *codec, 2571 unsigned int stream_tag, 2572 unsigned int format, 2573 struct snd_pcm_substream *substream) 2574 { 2575 struct hdmi_spec *spec = codec->spec; 2576 return snd_hda_multi_out_dig_prepare(codec, &spec->multiout, 2577 stream_tag, format, substream); 2578 } 2579 2580 static const struct hda_pcm_stream simple_pcm_playback = { 2581 .substreams = 1, 2582 .channels_min = 2, 2583 .channels_max = 2, 2584 .ops = { 2585 .open = simple_playback_pcm_open, 2586 .close = simple_playback_pcm_close, 2587 .prepare = simple_playback_pcm_prepare 2588 }, 2589 }; 2590 2591 static const struct hda_codec_ops simple_hdmi_patch_ops = { 2592 .build_controls = simple_playback_build_controls, 2593 .build_pcms = simple_playback_build_pcms, 2594 .init = simple_playback_init, 2595 .free = simple_playback_free, 2596 .unsol_event = simple_hdmi_unsol_event, 2597 }; 2598 2599 static int patch_simple_hdmi(struct hda_codec *codec, 2600 hda_nid_t cvt_nid, hda_nid_t pin_nid) 2601 { 2602 struct hdmi_spec *spec; 2603 struct hdmi_spec_per_cvt *per_cvt; 2604 struct hdmi_spec_per_pin *per_pin; 2605 2606 spec = kzalloc(sizeof(*spec), GFP_KERNEL); 2607 if (!spec) 2608 return -ENOMEM; 2609 2610 codec->spec = spec; 2611 hdmi_array_init(spec, 1); 2612 2613 spec->multiout.num_dacs = 0; /* no analog */ 2614 spec->multiout.max_channels = 2; 2615 spec->multiout.dig_out_nid = cvt_nid; 2616 spec->num_cvts = 1; 2617 spec->num_pins = 1; 2618 per_pin = snd_array_new(&spec->pins); 2619 per_cvt = snd_array_new(&spec->cvts); 2620 if (!per_pin || !per_cvt) { 2621 simple_playback_free(codec); 2622 return -ENOMEM; 2623 } 2624 per_cvt->cvt_nid = cvt_nid; 2625 per_pin->pin_nid = pin_nid; 2626 spec->pcm_playback = simple_pcm_playback; 2627 2628 codec->patch_ops = simple_hdmi_patch_ops; 2629 2630 return 0; 2631 } 2632 2633 static void nvhdmi_8ch_7x_set_info_frame_parameters(struct hda_codec *codec, 2634 int channels) 2635 { 2636 unsigned int chanmask; 2637 int chan = channels ? (channels - 1) : 1; 2638 2639 switch (channels) { 2640 default: 2641 case 0: 2642 case 2: 2643 chanmask = 0x00; 2644 break; 2645 case 4: 2646 chanmask = 0x08; 2647 break; 2648 case 6: 2649 chanmask = 0x0b; 2650 break; 2651 case 8: 2652 chanmask = 0x13; 2653 break; 2654 } 2655 2656 /* Set the audio infoframe channel allocation and checksum fields. The 2657 * channel count is computed implicitly by the hardware. */ 2658 snd_hda_codec_write(codec, 0x1, 0, 2659 Nv_VERB_SET_Channel_Allocation, chanmask); 2660 2661 snd_hda_codec_write(codec, 0x1, 0, 2662 Nv_VERB_SET_Info_Frame_Checksum, 2663 (0x71 - chan - chanmask)); 2664 } 2665 2666 static int nvhdmi_8ch_7x_pcm_close(struct hda_pcm_stream *hinfo, 2667 struct hda_codec *codec, 2668 struct snd_pcm_substream *substream) 2669 { 2670 struct hdmi_spec *spec = codec->spec; 2671 int i; 2672 2673 snd_hda_codec_write(codec, nvhdmi_master_con_nid_7x, 2674 0, AC_VERB_SET_CHANNEL_STREAMID, 0); 2675 for (i = 0; i < 4; i++) { 2676 /* set the stream id */ 2677 snd_hda_codec_write(codec, nvhdmi_con_nids_7x[i], 0, 2678 AC_VERB_SET_CHANNEL_STREAMID, 0); 2679 /* set the stream format */ 2680 snd_hda_codec_write(codec, nvhdmi_con_nids_7x[i], 0, 2681 AC_VERB_SET_STREAM_FORMAT, 0); 2682 } 2683 2684 /* The audio hardware sends a channel count of 0x7 (8ch) when all the 2685 * streams are disabled. */ 2686 nvhdmi_8ch_7x_set_info_frame_parameters(codec, 8); 2687 2688 return snd_hda_multi_out_dig_close(codec, &spec->multiout); 2689 } 2690 2691 static int nvhdmi_8ch_7x_pcm_prepare(struct hda_pcm_stream *hinfo, 2692 struct hda_codec *codec, 2693 unsigned int stream_tag, 2694 unsigned int format, 2695 struct snd_pcm_substream *substream) 2696 { 2697 int chs; 2698 unsigned int dataDCC2, channel_id; 2699 int i; 2700 struct hdmi_spec *spec = codec->spec; 2701 struct hda_spdif_out *spdif; 2702 struct hdmi_spec_per_cvt *per_cvt; 2703 2704 mutex_lock(&codec->spdif_mutex); 2705 per_cvt = get_cvt(spec, 0); 2706 spdif = snd_hda_spdif_out_of_nid(codec, per_cvt->cvt_nid); 2707 2708 chs = substream->runtime->channels; 2709 2710 dataDCC2 = 0x2; 2711 2712 /* turn off SPDIF once; otherwise the IEC958 bits won't be updated */ 2713 if (codec->spdif_status_reset && (spdif->ctls & AC_DIG1_ENABLE)) 2714 snd_hda_codec_write(codec, 2715 nvhdmi_master_con_nid_7x, 2716 0, 2717 AC_VERB_SET_DIGI_CONVERT_1, 2718 spdif->ctls & ~AC_DIG1_ENABLE & 0xff); 2719 2720 /* set the stream id */ 2721 snd_hda_codec_write(codec, nvhdmi_master_con_nid_7x, 0, 2722 AC_VERB_SET_CHANNEL_STREAMID, (stream_tag << 4) | 0x0); 2723 2724 /* set the stream format */ 2725 snd_hda_codec_write(codec, nvhdmi_master_con_nid_7x, 0, 2726 AC_VERB_SET_STREAM_FORMAT, format); 2727 2728 /* turn on again (if needed) */ 2729 /* enable and set the channel status audio/data flag */ 2730 if (codec->spdif_status_reset && (spdif->ctls & AC_DIG1_ENABLE)) { 2731 snd_hda_codec_write(codec, 2732 nvhdmi_master_con_nid_7x, 2733 0, 2734 AC_VERB_SET_DIGI_CONVERT_1, 2735 spdif->ctls & 0xff); 2736 snd_hda_codec_write(codec, 2737 nvhdmi_master_con_nid_7x, 2738 0, 2739 AC_VERB_SET_DIGI_CONVERT_2, dataDCC2); 2740 } 2741 2742 for (i = 0; i < 4; i++) { 2743 if (chs == 2) 2744 channel_id = 0; 2745 else 2746 channel_id = i * 2; 2747 2748 /* turn off SPDIF once; 2749 *otherwise the IEC958 bits won't be updated 2750 */ 2751 if (codec->spdif_status_reset && 2752 (spdif->ctls & AC_DIG1_ENABLE)) 2753 snd_hda_codec_write(codec, 2754 nvhdmi_con_nids_7x[i], 2755 0, 2756 AC_VERB_SET_DIGI_CONVERT_1, 2757 spdif->ctls & ~AC_DIG1_ENABLE & 0xff); 2758 /* set the stream id */ 2759 snd_hda_codec_write(codec, 2760 nvhdmi_con_nids_7x[i], 2761 0, 2762 AC_VERB_SET_CHANNEL_STREAMID, 2763 (stream_tag << 4) | channel_id); 2764 /* set the stream format */ 2765 snd_hda_codec_write(codec, 2766 nvhdmi_con_nids_7x[i], 2767 0, 2768 AC_VERB_SET_STREAM_FORMAT, 2769 format); 2770 /* turn on again (if needed) */ 2771 /* enable and set the channel status audio/data flag */ 2772 if (codec->spdif_status_reset && 2773 (spdif->ctls & AC_DIG1_ENABLE)) { 2774 snd_hda_codec_write(codec, 2775 nvhdmi_con_nids_7x[i], 2776 0, 2777 AC_VERB_SET_DIGI_CONVERT_1, 2778 spdif->ctls & 0xff); 2779 snd_hda_codec_write(codec, 2780 nvhdmi_con_nids_7x[i], 2781 0, 2782 AC_VERB_SET_DIGI_CONVERT_2, dataDCC2); 2783 } 2784 } 2785 2786 nvhdmi_8ch_7x_set_info_frame_parameters(codec, chs); 2787 2788 mutex_unlock(&codec->spdif_mutex); 2789 return 0; 2790 } 2791 2792 static const struct hda_pcm_stream nvhdmi_pcm_playback_8ch_7x = { 2793 .substreams = 1, 2794 .channels_min = 2, 2795 .channels_max = 8, 2796 .nid = nvhdmi_master_con_nid_7x, 2797 .rates = SUPPORTED_RATES, 2798 .maxbps = SUPPORTED_MAXBPS, 2799 .formats = SUPPORTED_FORMATS, 2800 .ops = { 2801 .open = simple_playback_pcm_open, 2802 .close = nvhdmi_8ch_7x_pcm_close, 2803 .prepare = nvhdmi_8ch_7x_pcm_prepare 2804 }, 2805 }; 2806 2807 static int patch_nvhdmi_2ch(struct hda_codec *codec) 2808 { 2809 struct hdmi_spec *spec; 2810 int err = patch_simple_hdmi(codec, nvhdmi_master_con_nid_7x, 2811 nvhdmi_master_pin_nid_7x); 2812 if (err < 0) 2813 return err; 2814 2815 codec->patch_ops.init = nvhdmi_7x_init_2ch; 2816 /* override the PCM rates, etc, as the codec doesn't give full list */ 2817 spec = codec->spec; 2818 spec->pcm_playback.rates = SUPPORTED_RATES; 2819 spec->pcm_playback.maxbps = SUPPORTED_MAXBPS; 2820 spec->pcm_playback.formats = SUPPORTED_FORMATS; 2821 return 0; 2822 } 2823 2824 static int nvhdmi_7x_8ch_build_pcms(struct hda_codec *codec) 2825 { 2826 struct hdmi_spec *spec = codec->spec; 2827 int err = simple_playback_build_pcms(codec); 2828 if (!err) { 2829 struct hda_pcm *info = get_pcm_rec(spec, 0); 2830 info->own_chmap = true; 2831 } 2832 return err; 2833 } 2834 2835 static int nvhdmi_7x_8ch_build_controls(struct hda_codec *codec) 2836 { 2837 struct hdmi_spec *spec = codec->spec; 2838 struct hda_pcm *info; 2839 struct snd_pcm_chmap *chmap; 2840 int err; 2841 2842 err = simple_playback_build_controls(codec); 2843 if (err < 0) 2844 return err; 2845 2846 /* add channel maps */ 2847 info = get_pcm_rec(spec, 0); 2848 err = snd_pcm_add_chmap_ctls(info->pcm, 2849 SNDRV_PCM_STREAM_PLAYBACK, 2850 snd_pcm_alt_chmaps, 8, 0, &chmap); 2851 if (err < 0) 2852 return err; 2853 switch (codec->preset->id) { 2854 case 0x10de0002: 2855 case 0x10de0003: 2856 case 0x10de0005: 2857 case 0x10de0006: 2858 chmap->channel_mask = (1U << 2) | (1U << 8); 2859 break; 2860 case 0x10de0007: 2861 chmap->channel_mask = (1U << 2) | (1U << 6) | (1U << 8); 2862 } 2863 return 0; 2864 } 2865 2866 static int patch_nvhdmi_8ch_7x(struct hda_codec *codec) 2867 { 2868 struct hdmi_spec *spec; 2869 int err = patch_nvhdmi_2ch(codec); 2870 if (err < 0) 2871 return err; 2872 spec = codec->spec; 2873 spec->multiout.max_channels = 8; 2874 spec->pcm_playback = nvhdmi_pcm_playback_8ch_7x; 2875 codec->patch_ops.init = nvhdmi_7x_init_8ch; 2876 codec->patch_ops.build_pcms = nvhdmi_7x_8ch_build_pcms; 2877 codec->patch_ops.build_controls = nvhdmi_7x_8ch_build_controls; 2878 2879 /* Initialize the audio infoframe channel mask and checksum to something 2880 * valid */ 2881 nvhdmi_8ch_7x_set_info_frame_parameters(codec, 8); 2882 2883 return 0; 2884 } 2885 2886 /* 2887 * NVIDIA codecs ignore ASP mapping for 2ch - confirmed on: 2888 * - 0x10de0015 2889 * - 0x10de0040 2890 */ 2891 static int nvhdmi_chmap_cea_alloc_validate_get_type(struct cea_channel_speaker_allocation *cap, 2892 int channels) 2893 { 2894 if (cap->ca_index == 0x00 && channels == 2) 2895 return SNDRV_CTL_TLVT_CHMAP_FIXED; 2896 2897 return hdmi_chmap_cea_alloc_validate_get_type(cap, channels); 2898 } 2899 2900 static int nvhdmi_chmap_validate(int ca, int chs, unsigned char *map) 2901 { 2902 if (ca == 0x00 && (map[0] != SNDRV_CHMAP_FL || map[1] != SNDRV_CHMAP_FR)) 2903 return -EINVAL; 2904 2905 return 0; 2906 } 2907 2908 static int patch_nvhdmi(struct hda_codec *codec) 2909 { 2910 struct hdmi_spec *spec; 2911 int err; 2912 2913 err = patch_generic_hdmi(codec); 2914 if (err) 2915 return err; 2916 2917 spec = codec->spec; 2918 spec->dyn_pin_out = true; 2919 2920 spec->ops.chmap_cea_alloc_validate_get_type = 2921 nvhdmi_chmap_cea_alloc_validate_get_type; 2922 spec->ops.chmap_validate = nvhdmi_chmap_validate; 2923 2924 return 0; 2925 } 2926 2927 /* 2928 * ATI/AMD-specific implementations 2929 */ 2930 2931 #define is_amdhdmi_rev3_or_later(codec) \ 2932 ((codec)->vendor_id == 0x1002aa01 && ((codec)->revision_id & 0xff00) >= 0x0300) 2933 #define has_amd_full_remap_support(codec) is_amdhdmi_rev3_or_later(codec) 2934 2935 /* ATI/AMD specific HDA pin verbs, see the AMD HDA Verbs specification */ 2936 #define ATI_VERB_SET_CHANNEL_ALLOCATION 0x771 2937 #define ATI_VERB_SET_DOWNMIX_INFO 0x772 2938 #define ATI_VERB_SET_MULTICHANNEL_01 0x777 2939 #define ATI_VERB_SET_MULTICHANNEL_23 0x778 2940 #define ATI_VERB_SET_MULTICHANNEL_45 0x779 2941 #define ATI_VERB_SET_MULTICHANNEL_67 0x77a 2942 #define ATI_VERB_SET_HBR_CONTROL 0x77c 2943 #define ATI_VERB_SET_MULTICHANNEL_1 0x785 2944 #define ATI_VERB_SET_MULTICHANNEL_3 0x786 2945 #define ATI_VERB_SET_MULTICHANNEL_5 0x787 2946 #define ATI_VERB_SET_MULTICHANNEL_7 0x788 2947 #define ATI_VERB_SET_MULTICHANNEL_MODE 0x789 2948 #define ATI_VERB_GET_CHANNEL_ALLOCATION 0xf71 2949 #define ATI_VERB_GET_DOWNMIX_INFO 0xf72 2950 #define ATI_VERB_GET_MULTICHANNEL_01 0xf77 2951 #define ATI_VERB_GET_MULTICHANNEL_23 0xf78 2952 #define ATI_VERB_GET_MULTICHANNEL_45 0xf79 2953 #define ATI_VERB_GET_MULTICHANNEL_67 0xf7a 2954 #define ATI_VERB_GET_HBR_CONTROL 0xf7c 2955 #define ATI_VERB_GET_MULTICHANNEL_1 0xf85 2956 #define ATI_VERB_GET_MULTICHANNEL_3 0xf86 2957 #define ATI_VERB_GET_MULTICHANNEL_5 0xf87 2958 #define ATI_VERB_GET_MULTICHANNEL_7 0xf88 2959 #define ATI_VERB_GET_MULTICHANNEL_MODE 0xf89 2960 2961 /* AMD specific HDA cvt verbs */ 2962 #define ATI_VERB_SET_RAMP_RATE 0x770 2963 #define ATI_VERB_GET_RAMP_RATE 0xf70 2964 2965 #define ATI_OUT_ENABLE 0x1 2966 2967 #define ATI_MULTICHANNEL_MODE_PAIRED 0 2968 #define ATI_MULTICHANNEL_MODE_SINGLE 1 2969 2970 #define ATI_HBR_CAPABLE 0x01 2971 #define ATI_HBR_ENABLE 0x10 2972 2973 static int atihdmi_pin_get_eld(struct hda_codec *codec, hda_nid_t nid, 2974 unsigned char *buf, int *eld_size) 2975 { 2976 /* call hda_eld.c ATI/AMD-specific function */ 2977 return snd_hdmi_get_eld_ati(codec, nid, buf, eld_size, 2978 is_amdhdmi_rev3_or_later(codec)); 2979 } 2980 2981 static void atihdmi_pin_setup_infoframe(struct hda_codec *codec, hda_nid_t pin_nid, int ca, 2982 int active_channels, int conn_type) 2983 { 2984 snd_hda_codec_write(codec, pin_nid, 0, ATI_VERB_SET_CHANNEL_ALLOCATION, ca); 2985 } 2986 2987 static int atihdmi_paired_swap_fc_lfe(int pos) 2988 { 2989 /* 2990 * ATI/AMD have automatic FC/LFE swap built-in 2991 * when in pairwise mapping mode. 2992 */ 2993 2994 switch (pos) { 2995 /* see channel_allocations[].speakers[] */ 2996 case 2: return 3; 2997 case 3: return 2; 2998 default: break; 2999 } 3000 3001 return pos; 3002 } 3003 3004 static int atihdmi_paired_chmap_validate(int ca, int chs, unsigned char *map) 3005 { 3006 struct cea_channel_speaker_allocation *cap; 3007 int i, j; 3008 3009 /* check that only channel pairs need to be remapped on old pre-rev3 ATI/AMD */ 3010 3011 cap = &channel_allocations[get_channel_allocation_order(ca)]; 3012 for (i = 0; i < chs; ++i) { 3013 int mask = to_spk_mask(map[i]); 3014 bool ok = false; 3015 bool companion_ok = false; 3016 3017 if (!mask) 3018 continue; 3019 3020 for (j = 0 + i % 2; j < 8; j += 2) { 3021 int chan_idx = 7 - atihdmi_paired_swap_fc_lfe(j); 3022 if (cap->speakers[chan_idx] == mask) { 3023 /* channel is in a supported position */ 3024 ok = true; 3025 3026 if (i % 2 == 0 && i + 1 < chs) { 3027 /* even channel, check the odd companion */ 3028 int comp_chan_idx = 7 - atihdmi_paired_swap_fc_lfe(j + 1); 3029 int comp_mask_req = to_spk_mask(map[i+1]); 3030 int comp_mask_act = cap->speakers[comp_chan_idx]; 3031 3032 if (comp_mask_req == comp_mask_act) 3033 companion_ok = true; 3034 else 3035 return -EINVAL; 3036 } 3037 break; 3038 } 3039 } 3040 3041 if (!ok) 3042 return -EINVAL; 3043 3044 if (companion_ok) 3045 i++; /* companion channel already checked */ 3046 } 3047 3048 return 0; 3049 } 3050 3051 static int atihdmi_pin_set_slot_channel(struct hda_codec *codec, hda_nid_t pin_nid, 3052 int hdmi_slot, int stream_channel) 3053 { 3054 int verb; 3055 int ati_channel_setup = 0; 3056 3057 if (hdmi_slot > 7) 3058 return -EINVAL; 3059 3060 if (!has_amd_full_remap_support(codec)) { 3061 hdmi_slot = atihdmi_paired_swap_fc_lfe(hdmi_slot); 3062 3063 /* In case this is an odd slot but without stream channel, do not 3064 * disable the slot since the corresponding even slot could have a 3065 * channel. In case neither have a channel, the slot pair will be 3066 * disabled when this function is called for the even slot. */ 3067 if (hdmi_slot % 2 != 0 && stream_channel == 0xf) 3068 return 0; 3069 3070 hdmi_slot -= hdmi_slot % 2; 3071 3072 if (stream_channel != 0xf) 3073 stream_channel -= stream_channel % 2; 3074 } 3075 3076 verb = ATI_VERB_SET_MULTICHANNEL_01 + hdmi_slot/2 + (hdmi_slot % 2) * 0x00e; 3077 3078 /* ati_channel_setup format: [7..4] = stream_channel_id, [1] = mute, [0] = enable */ 3079 3080 if (stream_channel != 0xf) 3081 ati_channel_setup = (stream_channel << 4) | ATI_OUT_ENABLE; 3082 3083 return snd_hda_codec_write(codec, pin_nid, 0, verb, ati_channel_setup); 3084 } 3085 3086 static int atihdmi_pin_get_slot_channel(struct hda_codec *codec, hda_nid_t pin_nid, 3087 int asp_slot) 3088 { 3089 bool was_odd = false; 3090 int ati_asp_slot = asp_slot; 3091 int verb; 3092 int ati_channel_setup; 3093 3094 if (asp_slot > 7) 3095 return -EINVAL; 3096 3097 if (!has_amd_full_remap_support(codec)) { 3098 ati_asp_slot = atihdmi_paired_swap_fc_lfe(asp_slot); 3099 if (ati_asp_slot % 2 != 0) { 3100 ati_asp_slot -= 1; 3101 was_odd = true; 3102 } 3103 } 3104 3105 verb = ATI_VERB_GET_MULTICHANNEL_01 + ati_asp_slot/2 + (ati_asp_slot % 2) * 0x00e; 3106 3107 ati_channel_setup = snd_hda_codec_read(codec, pin_nid, 0, verb, 0); 3108 3109 if (!(ati_channel_setup & ATI_OUT_ENABLE)) 3110 return 0xf; 3111 3112 return ((ati_channel_setup & 0xf0) >> 4) + !!was_odd; 3113 } 3114 3115 static int atihdmi_paired_chmap_cea_alloc_validate_get_type(struct cea_channel_speaker_allocation *cap, 3116 int channels) 3117 { 3118 int c; 3119 3120 /* 3121 * Pre-rev3 ATI/AMD codecs operate in a paired channel mode, so 3122 * we need to take that into account (a single channel may take 2 3123 * channel slots if we need to carry a silent channel next to it). 3124 * On Rev3+ AMD codecs this function is not used. 3125 */ 3126 int chanpairs = 0; 3127 3128 /* We only produce even-numbered channel count TLVs */ 3129 if ((channels % 2) != 0) 3130 return -1; 3131 3132 for (c = 0; c < 7; c += 2) { 3133 if (cap->speakers[c] || cap->speakers[c+1]) 3134 chanpairs++; 3135 } 3136 3137 if (chanpairs * 2 != channels) 3138 return -1; 3139 3140 return SNDRV_CTL_TLVT_CHMAP_PAIRED; 3141 } 3142 3143 static void atihdmi_paired_cea_alloc_to_tlv_chmap(struct cea_channel_speaker_allocation *cap, 3144 unsigned int *chmap, int channels) 3145 { 3146 /* produce paired maps for pre-rev3 ATI/AMD codecs */ 3147 int count = 0; 3148 int c; 3149 3150 for (c = 7; c >= 0; c--) { 3151 int chan = 7 - atihdmi_paired_swap_fc_lfe(7 - c); 3152 int spk = cap->speakers[chan]; 3153 if (!spk) { 3154 /* add N/A channel if the companion channel is occupied */ 3155 if (cap->speakers[chan + (chan % 2 ? -1 : 1)]) 3156 chmap[count++] = SNDRV_CHMAP_NA; 3157 3158 continue; 3159 } 3160 3161 chmap[count++] = spk_to_chmap(spk); 3162 } 3163 3164 WARN_ON(count != channels); 3165 } 3166 3167 static int atihdmi_pin_hbr_setup(struct hda_codec *codec, hda_nid_t pin_nid, 3168 bool hbr) 3169 { 3170 int hbr_ctl, hbr_ctl_new; 3171 3172 hbr_ctl = snd_hda_codec_read(codec, pin_nid, 0, ATI_VERB_GET_HBR_CONTROL, 0); 3173 if (hbr_ctl >= 0 && (hbr_ctl & ATI_HBR_CAPABLE)) { 3174 if (hbr) 3175 hbr_ctl_new = hbr_ctl | ATI_HBR_ENABLE; 3176 else 3177 hbr_ctl_new = hbr_ctl & ~ATI_HBR_ENABLE; 3178 3179 codec_dbg(codec, 3180 "atihdmi_pin_hbr_setup: NID=0x%x, %shbr-ctl=0x%x\n", 3181 pin_nid, 3182 hbr_ctl == hbr_ctl_new ? "" : "new-", 3183 hbr_ctl_new); 3184 3185 if (hbr_ctl != hbr_ctl_new) 3186 snd_hda_codec_write(codec, pin_nid, 0, 3187 ATI_VERB_SET_HBR_CONTROL, 3188 hbr_ctl_new); 3189 3190 } else if (hbr) 3191 return -EINVAL; 3192 3193 return 0; 3194 } 3195 3196 static int atihdmi_setup_stream(struct hda_codec *codec, hda_nid_t cvt_nid, 3197 hda_nid_t pin_nid, u32 stream_tag, int format) 3198 { 3199 3200 if (is_amdhdmi_rev3_or_later(codec)) { 3201 int ramp_rate = 180; /* default as per AMD spec */ 3202 /* disable ramp-up/down for non-pcm as per AMD spec */ 3203 if (format & AC_FMT_TYPE_NON_PCM) 3204 ramp_rate = 0; 3205 3206 snd_hda_codec_write(codec, cvt_nid, 0, ATI_VERB_SET_RAMP_RATE, ramp_rate); 3207 } 3208 3209 return hdmi_setup_stream(codec, cvt_nid, pin_nid, stream_tag, format); 3210 } 3211 3212 3213 static int atihdmi_init(struct hda_codec *codec) 3214 { 3215 struct hdmi_spec *spec = codec->spec; 3216 int pin_idx, err; 3217 3218 err = generic_hdmi_init(codec); 3219 3220 if (err) 3221 return err; 3222 3223 for (pin_idx = 0; pin_idx < spec->num_pins; pin_idx++) { 3224 struct hdmi_spec_per_pin *per_pin = get_pin(spec, pin_idx); 3225 3226 /* make sure downmix information in infoframe is zero */ 3227 snd_hda_codec_write(codec, per_pin->pin_nid, 0, ATI_VERB_SET_DOWNMIX_INFO, 0); 3228 3229 /* enable channel-wise remap mode if supported */ 3230 if (has_amd_full_remap_support(codec)) 3231 snd_hda_codec_write(codec, per_pin->pin_nid, 0, 3232 ATI_VERB_SET_MULTICHANNEL_MODE, 3233 ATI_MULTICHANNEL_MODE_SINGLE); 3234 } 3235 3236 return 0; 3237 } 3238 3239 static int patch_atihdmi(struct hda_codec *codec) 3240 { 3241 struct hdmi_spec *spec; 3242 struct hdmi_spec_per_cvt *per_cvt; 3243 int err, cvt_idx; 3244 3245 err = patch_generic_hdmi(codec); 3246 3247 if (err) 3248 return err; 3249 3250 codec->patch_ops.init = atihdmi_init; 3251 3252 spec = codec->spec; 3253 3254 spec->ops.pin_get_eld = atihdmi_pin_get_eld; 3255 spec->ops.pin_get_slot_channel = atihdmi_pin_get_slot_channel; 3256 spec->ops.pin_set_slot_channel = atihdmi_pin_set_slot_channel; 3257 spec->ops.pin_setup_infoframe = atihdmi_pin_setup_infoframe; 3258 spec->ops.pin_hbr_setup = atihdmi_pin_hbr_setup; 3259 spec->ops.setup_stream = atihdmi_setup_stream; 3260 3261 if (!has_amd_full_remap_support(codec)) { 3262 /* override to ATI/AMD-specific versions with pairwise mapping */ 3263 spec->ops.chmap_cea_alloc_validate_get_type = 3264 atihdmi_paired_chmap_cea_alloc_validate_get_type; 3265 spec->ops.cea_alloc_to_tlv_chmap = atihdmi_paired_cea_alloc_to_tlv_chmap; 3266 spec->ops.chmap_validate = atihdmi_paired_chmap_validate; 3267 } 3268 3269 /* ATI/AMD converters do not advertise all of their capabilities */ 3270 for (cvt_idx = 0; cvt_idx < spec->num_cvts; cvt_idx++) { 3271 per_cvt = get_cvt(spec, cvt_idx); 3272 per_cvt->channels_max = max(per_cvt->channels_max, 8u); 3273 per_cvt->rates |= SUPPORTED_RATES; 3274 per_cvt->formats |= SUPPORTED_FORMATS; 3275 per_cvt->maxbps = max(per_cvt->maxbps, 24u); 3276 } 3277 3278 spec->channels_max = max(spec->channels_max, 8u); 3279 3280 return 0; 3281 } 3282 3283 /* VIA HDMI Implementation */ 3284 #define VIAHDMI_CVT_NID 0x02 /* audio converter1 */ 3285 #define VIAHDMI_PIN_NID 0x03 /* HDMI output pin1 */ 3286 3287 static int patch_via_hdmi(struct hda_codec *codec) 3288 { 3289 return patch_simple_hdmi(codec, VIAHDMI_CVT_NID, VIAHDMI_PIN_NID); 3290 } 3291 3292 /* 3293 * called from hda_codec.c for generic HDMI support 3294 */ 3295 int snd_hda_parse_hdmi_codec(struct hda_codec *codec) 3296 { 3297 return patch_generic_hdmi(codec); 3298 } 3299 EXPORT_SYMBOL_GPL(snd_hda_parse_hdmi_codec); 3300 3301 /* 3302 * patch entries 3303 */ 3304 static const struct hda_codec_preset snd_hda_preset_hdmi[] = { 3305 { .id = 0x1002793c, .name = "RS600 HDMI", .patch = patch_atihdmi }, 3306 { .id = 0x10027919, .name = "RS600 HDMI", .patch = patch_atihdmi }, 3307 { .id = 0x1002791a, .name = "RS690/780 HDMI", .patch = patch_atihdmi }, 3308 { .id = 0x1002aa01, .name = "R6xx HDMI", .patch = patch_atihdmi }, 3309 { .id = 0x10951390, .name = "SiI1390 HDMI", .patch = patch_generic_hdmi }, 3310 { .id = 0x10951392, .name = "SiI1392 HDMI", .patch = patch_generic_hdmi }, 3311 { .id = 0x17e80047, .name = "Chrontel HDMI", .patch = patch_generic_hdmi }, 3312 { .id = 0x10de0002, .name = "MCP77/78 HDMI", .patch = patch_nvhdmi_8ch_7x }, 3313 { .id = 0x10de0003, .name = "MCP77/78 HDMI", .patch = patch_nvhdmi_8ch_7x }, 3314 { .id = 0x10de0005, .name = "MCP77/78 HDMI", .patch = patch_nvhdmi_8ch_7x }, 3315 { .id = 0x10de0006, .name = "MCP77/78 HDMI", .patch = patch_nvhdmi_8ch_7x }, 3316 { .id = 0x10de0007, .name = "MCP79/7A HDMI", .patch = patch_nvhdmi_8ch_7x }, 3317 { .id = 0x10de000a, .name = "GPU 0a HDMI/DP", .patch = patch_nvhdmi }, 3318 { .id = 0x10de000b, .name = "GPU 0b HDMI/DP", .patch = patch_nvhdmi }, 3319 { .id = 0x10de000c, .name = "MCP89 HDMI", .patch = patch_nvhdmi }, 3320 { .id = 0x10de000d, .name = "GPU 0d HDMI/DP", .patch = patch_nvhdmi }, 3321 { .id = 0x10de0010, .name = "GPU 10 HDMI/DP", .patch = patch_nvhdmi }, 3322 { .id = 0x10de0011, .name = "GPU 11 HDMI/DP", .patch = patch_nvhdmi }, 3323 { .id = 0x10de0012, .name = "GPU 12 HDMI/DP", .patch = patch_nvhdmi }, 3324 { .id = 0x10de0013, .name = "GPU 13 HDMI/DP", .patch = patch_nvhdmi }, 3325 { .id = 0x10de0014, .name = "GPU 14 HDMI/DP", .patch = patch_nvhdmi }, 3326 { .id = 0x10de0015, .name = "GPU 15 HDMI/DP", .patch = patch_nvhdmi }, 3327 { .id = 0x10de0016, .name = "GPU 16 HDMI/DP", .patch = patch_nvhdmi }, 3328 /* 17 is known to be absent */ 3329 { .id = 0x10de0018, .name = "GPU 18 HDMI/DP", .patch = patch_nvhdmi }, 3330 { .id = 0x10de0019, .name = "GPU 19 HDMI/DP", .patch = patch_nvhdmi }, 3331 { .id = 0x10de001a, .name = "GPU 1a HDMI/DP", .patch = patch_nvhdmi }, 3332 { .id = 0x10de001b, .name = "GPU 1b HDMI/DP", .patch = patch_nvhdmi }, 3333 { .id = 0x10de001c, .name = "GPU 1c HDMI/DP", .patch = patch_nvhdmi }, 3334 { .id = 0x10de0028, .name = "Tegra12x HDMI", .patch = patch_nvhdmi }, 3335 { .id = 0x10de0040, .name = "GPU 40 HDMI/DP", .patch = patch_nvhdmi }, 3336 { .id = 0x10de0041, .name = "GPU 41 HDMI/DP", .patch = patch_nvhdmi }, 3337 { .id = 0x10de0042, .name = "GPU 42 HDMI/DP", .patch = patch_nvhdmi }, 3338 { .id = 0x10de0043, .name = "GPU 43 HDMI/DP", .patch = patch_nvhdmi }, 3339 { .id = 0x10de0044, .name = "GPU 44 HDMI/DP", .patch = patch_nvhdmi }, 3340 { .id = 0x10de0051, .name = "GPU 51 HDMI/DP", .patch = patch_nvhdmi }, 3341 { .id = 0x10de0060, .name = "GPU 60 HDMI/DP", .patch = patch_nvhdmi }, 3342 { .id = 0x10de0067, .name = "MCP67 HDMI", .patch = patch_nvhdmi_2ch }, 3343 { .id = 0x10de0070, .name = "GPU 70 HDMI/DP", .patch = patch_nvhdmi }, 3344 { .id = 0x10de0071, .name = "GPU 71 HDMI/DP", .patch = patch_nvhdmi }, 3345 { .id = 0x10de8001, .name = "MCP73 HDMI", .patch = patch_nvhdmi_2ch }, 3346 { .id = 0x11069f80, .name = "VX900 HDMI/DP", .patch = patch_via_hdmi }, 3347 { .id = 0x11069f81, .name = "VX900 HDMI/DP", .patch = patch_via_hdmi }, 3348 { .id = 0x11069f84, .name = "VX11 HDMI/DP", .patch = patch_generic_hdmi }, 3349 { .id = 0x11069f85, .name = "VX11 HDMI/DP", .patch = patch_generic_hdmi }, 3350 { .id = 0x80860054, .name = "IbexPeak HDMI", .patch = patch_generic_hdmi }, 3351 { .id = 0x80862801, .name = "Bearlake HDMI", .patch = patch_generic_hdmi }, 3352 { .id = 0x80862802, .name = "Cantiga HDMI", .patch = patch_generic_hdmi }, 3353 { .id = 0x80862803, .name = "Eaglelake HDMI", .patch = patch_generic_hdmi }, 3354 { .id = 0x80862804, .name = "IbexPeak HDMI", .patch = patch_generic_hdmi }, 3355 { .id = 0x80862805, .name = "CougarPoint HDMI", .patch = patch_generic_hdmi }, 3356 { .id = 0x80862806, .name = "PantherPoint HDMI", .patch = patch_generic_hdmi }, 3357 { .id = 0x80862807, .name = "Haswell HDMI", .patch = patch_generic_hdmi }, 3358 { .id = 0x80862808, .name = "Broadwell HDMI", .patch = patch_generic_hdmi }, 3359 { .id = 0x80862880, .name = "CedarTrail HDMI", .patch = patch_generic_hdmi }, 3360 { .id = 0x80862882, .name = "Valleyview2 HDMI", .patch = patch_generic_hdmi }, 3361 { .id = 0x80862883, .name = "Braswell HDMI", .patch = patch_generic_hdmi }, 3362 { .id = 0x808629fb, .name = "Crestline HDMI", .patch = patch_generic_hdmi }, 3363 {} /* terminator */ 3364 }; 3365 3366 MODULE_ALIAS("snd-hda-codec-id:1002793c"); 3367 MODULE_ALIAS("snd-hda-codec-id:10027919"); 3368 MODULE_ALIAS("snd-hda-codec-id:1002791a"); 3369 MODULE_ALIAS("snd-hda-codec-id:1002aa01"); 3370 MODULE_ALIAS("snd-hda-codec-id:10951390"); 3371 MODULE_ALIAS("snd-hda-codec-id:10951392"); 3372 MODULE_ALIAS("snd-hda-codec-id:10de0002"); 3373 MODULE_ALIAS("snd-hda-codec-id:10de0003"); 3374 MODULE_ALIAS("snd-hda-codec-id:10de0005"); 3375 MODULE_ALIAS("snd-hda-codec-id:10de0006"); 3376 MODULE_ALIAS("snd-hda-codec-id:10de0007"); 3377 MODULE_ALIAS("snd-hda-codec-id:10de000a"); 3378 MODULE_ALIAS("snd-hda-codec-id:10de000b"); 3379 MODULE_ALIAS("snd-hda-codec-id:10de000c"); 3380 MODULE_ALIAS("snd-hda-codec-id:10de000d"); 3381 MODULE_ALIAS("snd-hda-codec-id:10de0010"); 3382 MODULE_ALIAS("snd-hda-codec-id:10de0011"); 3383 MODULE_ALIAS("snd-hda-codec-id:10de0012"); 3384 MODULE_ALIAS("snd-hda-codec-id:10de0013"); 3385 MODULE_ALIAS("snd-hda-codec-id:10de0014"); 3386 MODULE_ALIAS("snd-hda-codec-id:10de0015"); 3387 MODULE_ALIAS("snd-hda-codec-id:10de0016"); 3388 MODULE_ALIAS("snd-hda-codec-id:10de0018"); 3389 MODULE_ALIAS("snd-hda-codec-id:10de0019"); 3390 MODULE_ALIAS("snd-hda-codec-id:10de001a"); 3391 MODULE_ALIAS("snd-hda-codec-id:10de001b"); 3392 MODULE_ALIAS("snd-hda-codec-id:10de001c"); 3393 MODULE_ALIAS("snd-hda-codec-id:10de0028"); 3394 MODULE_ALIAS("snd-hda-codec-id:10de0040"); 3395 MODULE_ALIAS("snd-hda-codec-id:10de0041"); 3396 MODULE_ALIAS("snd-hda-codec-id:10de0042"); 3397 MODULE_ALIAS("snd-hda-codec-id:10de0043"); 3398 MODULE_ALIAS("snd-hda-codec-id:10de0044"); 3399 MODULE_ALIAS("snd-hda-codec-id:10de0051"); 3400 MODULE_ALIAS("snd-hda-codec-id:10de0060"); 3401 MODULE_ALIAS("snd-hda-codec-id:10de0067"); 3402 MODULE_ALIAS("snd-hda-codec-id:10de0070"); 3403 MODULE_ALIAS("snd-hda-codec-id:10de0071"); 3404 MODULE_ALIAS("snd-hda-codec-id:10de8001"); 3405 MODULE_ALIAS("snd-hda-codec-id:11069f80"); 3406 MODULE_ALIAS("snd-hda-codec-id:11069f81"); 3407 MODULE_ALIAS("snd-hda-codec-id:11069f84"); 3408 MODULE_ALIAS("snd-hda-codec-id:11069f85"); 3409 MODULE_ALIAS("snd-hda-codec-id:17e80047"); 3410 MODULE_ALIAS("snd-hda-codec-id:80860054"); 3411 MODULE_ALIAS("snd-hda-codec-id:80862801"); 3412 MODULE_ALIAS("snd-hda-codec-id:80862802"); 3413 MODULE_ALIAS("snd-hda-codec-id:80862803"); 3414 MODULE_ALIAS("snd-hda-codec-id:80862804"); 3415 MODULE_ALIAS("snd-hda-codec-id:80862805"); 3416 MODULE_ALIAS("snd-hda-codec-id:80862806"); 3417 MODULE_ALIAS("snd-hda-codec-id:80862807"); 3418 MODULE_ALIAS("snd-hda-codec-id:80862808"); 3419 MODULE_ALIAS("snd-hda-codec-id:80862880"); 3420 MODULE_ALIAS("snd-hda-codec-id:80862882"); 3421 MODULE_ALIAS("snd-hda-codec-id:80862883"); 3422 MODULE_ALIAS("snd-hda-codec-id:808629fb"); 3423 3424 MODULE_LICENSE("GPL"); 3425 MODULE_DESCRIPTION("HDMI HD-audio codec"); 3426 MODULE_ALIAS("snd-hda-codec-intelhdmi"); 3427 MODULE_ALIAS("snd-hda-codec-nvhdmi"); 3428 MODULE_ALIAS("snd-hda-codec-atihdmi"); 3429 3430 static struct hda_codec_preset_list intel_list = { 3431 .preset = snd_hda_preset_hdmi, 3432 .owner = THIS_MODULE, 3433 }; 3434 3435 static int __init patch_hdmi_init(void) 3436 { 3437 return snd_hda_add_codec_preset(&intel_list); 3438 } 3439 3440 static void __exit patch_hdmi_exit(void) 3441 { 3442 snd_hda_delete_codec_preset(&intel_list); 3443 } 3444 3445 module_init(patch_hdmi_init) 3446 module_exit(patch_hdmi_exit) 3447