1 // SPDX-License-Identifier: GPL-2.0-or-later 2 /* 3 * 4 * patch_hdmi.c - routines for HDMI/DisplayPort codecs 5 * 6 * Copyright(c) 2008-2010 Intel Corporation. All rights reserved. 7 * Copyright (c) 2006 ATI Technologies Inc. 8 * Copyright (c) 2008 NVIDIA Corp. All rights reserved. 9 * Copyright (c) 2008 Wei Ni <wni@nvidia.com> 10 * Copyright (c) 2013 Anssi Hannula <anssi.hannula@iki.fi> 11 * 12 * Authors: 13 * Wu Fengguang <wfg@linux.intel.com> 14 * 15 * Maintained by: 16 * Wu Fengguang <wfg@linux.intel.com> 17 */ 18 19 #include <linux/init.h> 20 #include <linux/delay.h> 21 #include <linux/pci.h> 22 #include <linux/slab.h> 23 #include <linux/module.h> 24 #include <linux/pm_runtime.h> 25 #include <sound/core.h> 26 #include <sound/jack.h> 27 #include <sound/asoundef.h> 28 #include <sound/tlv.h> 29 #include <sound/hdaudio.h> 30 #include <sound/hda_i915.h> 31 #include <sound/hda_chmap.h> 32 #include <sound/hda_codec.h> 33 #include "hda_local.h" 34 #include "hda_jack.h" 35 #include "hda_controller.h" 36 37 static bool static_hdmi_pcm; 38 module_param(static_hdmi_pcm, bool, 0644); 39 MODULE_PARM_DESC(static_hdmi_pcm, "Don't restrict PCM parameters per ELD info"); 40 41 static bool enable_acomp = true; 42 module_param(enable_acomp, bool, 0444); 43 MODULE_PARM_DESC(enable_acomp, "Enable audio component binding (default=yes)"); 44 45 struct hdmi_spec_per_cvt { 46 hda_nid_t cvt_nid; 47 int assigned; 48 unsigned int channels_min; 49 unsigned int channels_max; 50 u32 rates; 51 u64 formats; 52 unsigned int maxbps; 53 }; 54 55 /* max. connections to a widget */ 56 #define HDA_MAX_CONNECTIONS 32 57 58 struct hdmi_spec_per_pin { 59 hda_nid_t pin_nid; 60 int dev_id; 61 /* pin idx, different device entries on the same pin use the same idx */ 62 int pin_nid_idx; 63 int num_mux_nids; 64 hda_nid_t mux_nids[HDA_MAX_CONNECTIONS]; 65 int mux_idx; 66 hda_nid_t cvt_nid; 67 68 struct hda_codec *codec; 69 struct hdmi_eld sink_eld; 70 struct mutex lock; 71 struct delayed_work work; 72 struct hdmi_pcm *pcm; /* pointer to spec->pcm_rec[n] dynamically*/ 73 int pcm_idx; /* which pcm is attached. -1 means no pcm is attached */ 74 int repoll_count; 75 bool setup; /* the stream has been set up by prepare callback */ 76 int channels; /* current number of channels */ 77 bool non_pcm; 78 bool chmap_set; /* channel-map override by ALSA API? */ 79 unsigned char chmap[8]; /* ALSA API channel-map */ 80 #ifdef CONFIG_SND_PROC_FS 81 struct snd_info_entry *proc_entry; 82 #endif 83 }; 84 85 /* operations used by generic code that can be overridden by patches */ 86 struct hdmi_ops { 87 int (*pin_get_eld)(struct hda_codec *codec, hda_nid_t pin_nid, 88 int dev_id, unsigned char *buf, int *eld_size); 89 90 void (*pin_setup_infoframe)(struct hda_codec *codec, hda_nid_t pin_nid, 91 int dev_id, 92 int ca, int active_channels, int conn_type); 93 94 /* enable/disable HBR (HD passthrough) */ 95 int (*pin_hbr_setup)(struct hda_codec *codec, hda_nid_t pin_nid, 96 int dev_id, bool hbr); 97 98 int (*setup_stream)(struct hda_codec *codec, hda_nid_t cvt_nid, 99 hda_nid_t pin_nid, int dev_id, u32 stream_tag, 100 int format); 101 102 void (*pin_cvt_fixup)(struct hda_codec *codec, 103 struct hdmi_spec_per_pin *per_pin, 104 hda_nid_t cvt_nid); 105 }; 106 107 struct hdmi_pcm { 108 struct hda_pcm *pcm; 109 struct snd_jack *jack; 110 struct snd_kcontrol *eld_ctl; 111 }; 112 113 struct hdmi_spec { 114 struct hda_codec *codec; 115 int num_cvts; 116 struct snd_array cvts; /* struct hdmi_spec_per_cvt */ 117 hda_nid_t cvt_nids[4]; /* only for haswell fix */ 118 119 /* 120 * num_pins is the number of virtual pins 121 * for example, there are 3 pins, and each pin 122 * has 4 device entries, then the num_pins is 12 123 */ 124 int num_pins; 125 /* 126 * num_nids is the number of real pins 127 * In the above example, num_nids is 3 128 */ 129 int num_nids; 130 /* 131 * dev_num is the number of device entries 132 * on each pin. 133 * In the above example, dev_num is 4 134 */ 135 int dev_num; 136 struct snd_array pins; /* struct hdmi_spec_per_pin */ 137 struct hdmi_pcm pcm_rec[16]; 138 struct mutex pcm_lock; 139 struct mutex bind_lock; /* for audio component binding */ 140 /* pcm_bitmap means which pcms have been assigned to pins*/ 141 unsigned long pcm_bitmap; 142 int pcm_used; /* counter of pcm_rec[] */ 143 /* bitmap shows whether the pcm is opened in user space 144 * bit 0 means the first playback PCM (PCM3); 145 * bit 1 means the second playback PCM, and so on. 146 */ 147 unsigned long pcm_in_use; 148 149 struct hdmi_eld temp_eld; 150 struct hdmi_ops ops; 151 152 bool dyn_pin_out; 153 bool dyn_pcm_assign; 154 bool intel_hsw_fixup; /* apply Intel platform-specific fixups */ 155 /* 156 * Non-generic VIA/NVIDIA specific 157 */ 158 struct hda_multi_out multiout; 159 struct hda_pcm_stream pcm_playback; 160 161 bool use_acomp_notifier; /* use eld_notify callback for hotplug */ 162 bool acomp_registered; /* audio component registered in this driver */ 163 struct drm_audio_component_audio_ops drm_audio_ops; 164 int (*port2pin)(struct hda_codec *, int); /* reverse port/pin mapping */ 165 166 struct hdac_chmap chmap; 167 hda_nid_t vendor_nid; 168 const int *port_map; 169 int port_num; 170 }; 171 172 #ifdef CONFIG_SND_HDA_COMPONENT 173 static inline bool codec_has_acomp(struct hda_codec *codec) 174 { 175 struct hdmi_spec *spec = codec->spec; 176 return spec->use_acomp_notifier; 177 } 178 #else 179 #define codec_has_acomp(codec) false 180 #endif 181 182 struct hdmi_audio_infoframe { 183 u8 type; /* 0x84 */ 184 u8 ver; /* 0x01 */ 185 u8 len; /* 0x0a */ 186 187 u8 checksum; 188 189 u8 CC02_CT47; /* CC in bits 0:2, CT in 4:7 */ 190 u8 SS01_SF24; 191 u8 CXT04; 192 u8 CA; 193 u8 LFEPBL01_LSV36_DM_INH7; 194 }; 195 196 struct dp_audio_infoframe { 197 u8 type; /* 0x84 */ 198 u8 len; /* 0x1b */ 199 u8 ver; /* 0x11 << 2 */ 200 201 u8 CC02_CT47; /* match with HDMI infoframe from this on */ 202 u8 SS01_SF24; 203 u8 CXT04; 204 u8 CA; 205 u8 LFEPBL01_LSV36_DM_INH7; 206 }; 207 208 union audio_infoframe { 209 struct hdmi_audio_infoframe hdmi; 210 struct dp_audio_infoframe dp; 211 u8 bytes[0]; 212 }; 213 214 /* 215 * HDMI routines 216 */ 217 218 #define get_pin(spec, idx) \ 219 ((struct hdmi_spec_per_pin *)snd_array_elem(&spec->pins, idx)) 220 #define get_cvt(spec, idx) \ 221 ((struct hdmi_spec_per_cvt *)snd_array_elem(&spec->cvts, idx)) 222 /* obtain hdmi_pcm object assigned to idx */ 223 #define get_hdmi_pcm(spec, idx) (&(spec)->pcm_rec[idx]) 224 /* obtain hda_pcm object assigned to idx */ 225 #define get_pcm_rec(spec, idx) (get_hdmi_pcm(spec, idx)->pcm) 226 227 static int pin_id_to_pin_index(struct hda_codec *codec, 228 hda_nid_t pin_nid, int dev_id) 229 { 230 struct hdmi_spec *spec = codec->spec; 231 int pin_idx; 232 struct hdmi_spec_per_pin *per_pin; 233 234 /* 235 * (dev_id == -1) means it is NON-MST pin 236 * return the first virtual pin on this port 237 */ 238 if (dev_id == -1) 239 dev_id = 0; 240 241 for (pin_idx = 0; pin_idx < spec->num_pins; pin_idx++) { 242 per_pin = get_pin(spec, pin_idx); 243 if ((per_pin->pin_nid == pin_nid) && 244 (per_pin->dev_id == dev_id)) 245 return pin_idx; 246 } 247 248 codec_warn(codec, "HDMI: pin nid %d not registered\n", pin_nid); 249 return -EINVAL; 250 } 251 252 static int hinfo_to_pcm_index(struct hda_codec *codec, 253 struct hda_pcm_stream *hinfo) 254 { 255 struct hdmi_spec *spec = codec->spec; 256 int pcm_idx; 257 258 for (pcm_idx = 0; pcm_idx < spec->pcm_used; pcm_idx++) 259 if (get_pcm_rec(spec, pcm_idx)->stream == hinfo) 260 return pcm_idx; 261 262 codec_warn(codec, "HDMI: hinfo %p not registered\n", hinfo); 263 return -EINVAL; 264 } 265 266 static int hinfo_to_pin_index(struct hda_codec *codec, 267 struct hda_pcm_stream *hinfo) 268 { 269 struct hdmi_spec *spec = codec->spec; 270 struct hdmi_spec_per_pin *per_pin; 271 int pin_idx; 272 273 for (pin_idx = 0; pin_idx < spec->num_pins; pin_idx++) { 274 per_pin = get_pin(spec, pin_idx); 275 if (per_pin->pcm && 276 per_pin->pcm->pcm->stream == hinfo) 277 return pin_idx; 278 } 279 280 codec_dbg(codec, "HDMI: hinfo %p not registered\n", hinfo); 281 return -EINVAL; 282 } 283 284 static struct hdmi_spec_per_pin *pcm_idx_to_pin(struct hdmi_spec *spec, 285 int pcm_idx) 286 { 287 int i; 288 struct hdmi_spec_per_pin *per_pin; 289 290 for (i = 0; i < spec->num_pins; i++) { 291 per_pin = get_pin(spec, i); 292 if (per_pin->pcm_idx == pcm_idx) 293 return per_pin; 294 } 295 return NULL; 296 } 297 298 static int cvt_nid_to_cvt_index(struct hda_codec *codec, hda_nid_t cvt_nid) 299 { 300 struct hdmi_spec *spec = codec->spec; 301 int cvt_idx; 302 303 for (cvt_idx = 0; cvt_idx < spec->num_cvts; cvt_idx++) 304 if (get_cvt(spec, cvt_idx)->cvt_nid == cvt_nid) 305 return cvt_idx; 306 307 codec_warn(codec, "HDMI: cvt nid %d not registered\n", cvt_nid); 308 return -EINVAL; 309 } 310 311 static int hdmi_eld_ctl_info(struct snd_kcontrol *kcontrol, 312 struct snd_ctl_elem_info *uinfo) 313 { 314 struct hda_codec *codec = snd_kcontrol_chip(kcontrol); 315 struct hdmi_spec *spec = codec->spec; 316 struct hdmi_spec_per_pin *per_pin; 317 struct hdmi_eld *eld; 318 int pcm_idx; 319 320 uinfo->type = SNDRV_CTL_ELEM_TYPE_BYTES; 321 322 pcm_idx = kcontrol->private_value; 323 mutex_lock(&spec->pcm_lock); 324 per_pin = pcm_idx_to_pin(spec, pcm_idx); 325 if (!per_pin) { 326 /* no pin is bound to the pcm */ 327 uinfo->count = 0; 328 goto unlock; 329 } 330 eld = &per_pin->sink_eld; 331 uinfo->count = eld->eld_valid ? eld->eld_size : 0; 332 333 unlock: 334 mutex_unlock(&spec->pcm_lock); 335 return 0; 336 } 337 338 static int hdmi_eld_ctl_get(struct snd_kcontrol *kcontrol, 339 struct snd_ctl_elem_value *ucontrol) 340 { 341 struct hda_codec *codec = snd_kcontrol_chip(kcontrol); 342 struct hdmi_spec *spec = codec->spec; 343 struct hdmi_spec_per_pin *per_pin; 344 struct hdmi_eld *eld; 345 int pcm_idx; 346 int err = 0; 347 348 pcm_idx = kcontrol->private_value; 349 mutex_lock(&spec->pcm_lock); 350 per_pin = pcm_idx_to_pin(spec, pcm_idx); 351 if (!per_pin) { 352 /* no pin is bound to the pcm */ 353 memset(ucontrol->value.bytes.data, 0, 354 ARRAY_SIZE(ucontrol->value.bytes.data)); 355 goto unlock; 356 } 357 358 eld = &per_pin->sink_eld; 359 if (eld->eld_size > ARRAY_SIZE(ucontrol->value.bytes.data) || 360 eld->eld_size > ELD_MAX_SIZE) { 361 snd_BUG(); 362 err = -EINVAL; 363 goto unlock; 364 } 365 366 memset(ucontrol->value.bytes.data, 0, 367 ARRAY_SIZE(ucontrol->value.bytes.data)); 368 if (eld->eld_valid) 369 memcpy(ucontrol->value.bytes.data, eld->eld_buffer, 370 eld->eld_size); 371 372 unlock: 373 mutex_unlock(&spec->pcm_lock); 374 return err; 375 } 376 377 static const struct snd_kcontrol_new eld_bytes_ctl = { 378 .access = SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_VOLATILE | 379 SNDRV_CTL_ELEM_ACCESS_SKIP_CHECK, 380 .iface = SNDRV_CTL_ELEM_IFACE_PCM, 381 .name = "ELD", 382 .info = hdmi_eld_ctl_info, 383 .get = hdmi_eld_ctl_get, 384 }; 385 386 static int hdmi_create_eld_ctl(struct hda_codec *codec, int pcm_idx, 387 int device) 388 { 389 struct snd_kcontrol *kctl; 390 struct hdmi_spec *spec = codec->spec; 391 int err; 392 393 kctl = snd_ctl_new1(&eld_bytes_ctl, codec); 394 if (!kctl) 395 return -ENOMEM; 396 kctl->private_value = pcm_idx; 397 kctl->id.device = device; 398 399 /* no pin nid is associated with the kctl now 400 * tbd: associate pin nid to eld ctl later 401 */ 402 err = snd_hda_ctl_add(codec, 0, kctl); 403 if (err < 0) 404 return err; 405 406 get_hdmi_pcm(spec, pcm_idx)->eld_ctl = kctl; 407 return 0; 408 } 409 410 #ifdef BE_PARANOID 411 static void hdmi_get_dip_index(struct hda_codec *codec, hda_nid_t pin_nid, 412 int *packet_index, int *byte_index) 413 { 414 int val; 415 416 val = snd_hda_codec_read(codec, pin_nid, 0, 417 AC_VERB_GET_HDMI_DIP_INDEX, 0); 418 419 *packet_index = val >> 5; 420 *byte_index = val & 0x1f; 421 } 422 #endif 423 424 static void hdmi_set_dip_index(struct hda_codec *codec, hda_nid_t pin_nid, 425 int packet_index, int byte_index) 426 { 427 int val; 428 429 val = (packet_index << 5) | (byte_index & 0x1f); 430 431 snd_hda_codec_write(codec, pin_nid, 0, AC_VERB_SET_HDMI_DIP_INDEX, val); 432 } 433 434 static void hdmi_write_dip_byte(struct hda_codec *codec, hda_nid_t pin_nid, 435 unsigned char val) 436 { 437 snd_hda_codec_write(codec, pin_nid, 0, AC_VERB_SET_HDMI_DIP_DATA, val); 438 } 439 440 static void hdmi_init_pin(struct hda_codec *codec, hda_nid_t pin_nid) 441 { 442 struct hdmi_spec *spec = codec->spec; 443 int pin_out; 444 445 /* Unmute */ 446 if (get_wcaps(codec, pin_nid) & AC_WCAP_OUT_AMP) 447 snd_hda_codec_write(codec, pin_nid, 0, 448 AC_VERB_SET_AMP_GAIN_MUTE, AMP_OUT_UNMUTE); 449 450 if (spec->dyn_pin_out) 451 /* Disable pin out until stream is active */ 452 pin_out = 0; 453 else 454 /* Enable pin out: some machines with GM965 gets broken output 455 * when the pin is disabled or changed while using with HDMI 456 */ 457 pin_out = PIN_OUT; 458 459 snd_hda_codec_write(codec, pin_nid, 0, 460 AC_VERB_SET_PIN_WIDGET_CONTROL, pin_out); 461 } 462 463 /* 464 * ELD proc files 465 */ 466 467 #ifdef CONFIG_SND_PROC_FS 468 static void print_eld_info(struct snd_info_entry *entry, 469 struct snd_info_buffer *buffer) 470 { 471 struct hdmi_spec_per_pin *per_pin = entry->private_data; 472 473 mutex_lock(&per_pin->lock); 474 snd_hdmi_print_eld_info(&per_pin->sink_eld, buffer); 475 mutex_unlock(&per_pin->lock); 476 } 477 478 static void write_eld_info(struct snd_info_entry *entry, 479 struct snd_info_buffer *buffer) 480 { 481 struct hdmi_spec_per_pin *per_pin = entry->private_data; 482 483 mutex_lock(&per_pin->lock); 484 snd_hdmi_write_eld_info(&per_pin->sink_eld, buffer); 485 mutex_unlock(&per_pin->lock); 486 } 487 488 static int eld_proc_new(struct hdmi_spec_per_pin *per_pin, int index) 489 { 490 char name[32]; 491 struct hda_codec *codec = per_pin->codec; 492 struct snd_info_entry *entry; 493 int err; 494 495 snprintf(name, sizeof(name), "eld#%d.%d", codec->addr, index); 496 err = snd_card_proc_new(codec->card, name, &entry); 497 if (err < 0) 498 return err; 499 500 snd_info_set_text_ops(entry, per_pin, print_eld_info); 501 entry->c.text.write = write_eld_info; 502 entry->mode |= 0200; 503 per_pin->proc_entry = entry; 504 505 return 0; 506 } 507 508 static void eld_proc_free(struct hdmi_spec_per_pin *per_pin) 509 { 510 if (!per_pin->codec->bus->shutdown) { 511 snd_info_free_entry(per_pin->proc_entry); 512 per_pin->proc_entry = NULL; 513 } 514 } 515 #else 516 static inline int eld_proc_new(struct hdmi_spec_per_pin *per_pin, 517 int index) 518 { 519 return 0; 520 } 521 static inline void eld_proc_free(struct hdmi_spec_per_pin *per_pin) 522 { 523 } 524 #endif 525 526 /* 527 * Audio InfoFrame routines 528 */ 529 530 /* 531 * Enable Audio InfoFrame Transmission 532 */ 533 static void hdmi_start_infoframe_trans(struct hda_codec *codec, 534 hda_nid_t pin_nid) 535 { 536 hdmi_set_dip_index(codec, pin_nid, 0x0, 0x0); 537 snd_hda_codec_write(codec, pin_nid, 0, AC_VERB_SET_HDMI_DIP_XMIT, 538 AC_DIPXMIT_BEST); 539 } 540 541 /* 542 * Disable Audio InfoFrame Transmission 543 */ 544 static void hdmi_stop_infoframe_trans(struct hda_codec *codec, 545 hda_nid_t pin_nid) 546 { 547 hdmi_set_dip_index(codec, pin_nid, 0x0, 0x0); 548 snd_hda_codec_write(codec, pin_nid, 0, AC_VERB_SET_HDMI_DIP_XMIT, 549 AC_DIPXMIT_DISABLE); 550 } 551 552 static void hdmi_debug_dip_size(struct hda_codec *codec, hda_nid_t pin_nid) 553 { 554 #ifdef CONFIG_SND_DEBUG_VERBOSE 555 int i; 556 int size; 557 558 size = snd_hdmi_get_eld_size(codec, pin_nid); 559 codec_dbg(codec, "HDMI: ELD buf size is %d\n", size); 560 561 for (i = 0; i < 8; i++) { 562 size = snd_hda_codec_read(codec, pin_nid, 0, 563 AC_VERB_GET_HDMI_DIP_SIZE, i); 564 codec_dbg(codec, "HDMI: DIP GP[%d] buf size is %d\n", i, size); 565 } 566 #endif 567 } 568 569 static void hdmi_clear_dip_buffers(struct hda_codec *codec, hda_nid_t pin_nid) 570 { 571 #ifdef BE_PARANOID 572 int i, j; 573 int size; 574 int pi, bi; 575 for (i = 0; i < 8; i++) { 576 size = snd_hda_codec_read(codec, pin_nid, 0, 577 AC_VERB_GET_HDMI_DIP_SIZE, i); 578 if (size == 0) 579 continue; 580 581 hdmi_set_dip_index(codec, pin_nid, i, 0x0); 582 for (j = 1; j < 1000; j++) { 583 hdmi_write_dip_byte(codec, pin_nid, 0x0); 584 hdmi_get_dip_index(codec, pin_nid, &pi, &bi); 585 if (pi != i) 586 codec_dbg(codec, "dip index %d: %d != %d\n", 587 bi, pi, i); 588 if (bi == 0) /* byte index wrapped around */ 589 break; 590 } 591 codec_dbg(codec, 592 "HDMI: DIP GP[%d] buf reported size=%d, written=%d\n", 593 i, size, j); 594 } 595 #endif 596 } 597 598 static void hdmi_checksum_audio_infoframe(struct hdmi_audio_infoframe *hdmi_ai) 599 { 600 u8 *bytes = (u8 *)hdmi_ai; 601 u8 sum = 0; 602 int i; 603 604 hdmi_ai->checksum = 0; 605 606 for (i = 0; i < sizeof(*hdmi_ai); i++) 607 sum += bytes[i]; 608 609 hdmi_ai->checksum = -sum; 610 } 611 612 static void hdmi_fill_audio_infoframe(struct hda_codec *codec, 613 hda_nid_t pin_nid, 614 u8 *dip, int size) 615 { 616 int i; 617 618 hdmi_debug_dip_size(codec, pin_nid); 619 hdmi_clear_dip_buffers(codec, pin_nid); /* be paranoid */ 620 621 hdmi_set_dip_index(codec, pin_nid, 0x0, 0x0); 622 for (i = 0; i < size; i++) 623 hdmi_write_dip_byte(codec, pin_nid, dip[i]); 624 } 625 626 static bool hdmi_infoframe_uptodate(struct hda_codec *codec, hda_nid_t pin_nid, 627 u8 *dip, int size) 628 { 629 u8 val; 630 int i; 631 632 if (snd_hda_codec_read(codec, pin_nid, 0, AC_VERB_GET_HDMI_DIP_XMIT, 0) 633 != AC_DIPXMIT_BEST) 634 return false; 635 636 hdmi_set_dip_index(codec, pin_nid, 0x0, 0x0); 637 for (i = 0; i < size; i++) { 638 val = snd_hda_codec_read(codec, pin_nid, 0, 639 AC_VERB_GET_HDMI_DIP_DATA, 0); 640 if (val != dip[i]) 641 return false; 642 } 643 644 return true; 645 } 646 647 static int hdmi_pin_get_eld(struct hda_codec *codec, hda_nid_t nid, 648 int dev_id, unsigned char *buf, int *eld_size) 649 { 650 snd_hda_set_dev_select(codec, nid, dev_id); 651 652 return snd_hdmi_get_eld(codec, nid, buf, eld_size); 653 } 654 655 static void hdmi_pin_setup_infoframe(struct hda_codec *codec, 656 hda_nid_t pin_nid, int dev_id, 657 int ca, int active_channels, 658 int conn_type) 659 { 660 union audio_infoframe ai; 661 662 memset(&ai, 0, sizeof(ai)); 663 if (conn_type == 0) { /* HDMI */ 664 struct hdmi_audio_infoframe *hdmi_ai = &ai.hdmi; 665 666 hdmi_ai->type = 0x84; 667 hdmi_ai->ver = 0x01; 668 hdmi_ai->len = 0x0a; 669 hdmi_ai->CC02_CT47 = active_channels - 1; 670 hdmi_ai->CA = ca; 671 hdmi_checksum_audio_infoframe(hdmi_ai); 672 } else if (conn_type == 1) { /* DisplayPort */ 673 struct dp_audio_infoframe *dp_ai = &ai.dp; 674 675 dp_ai->type = 0x84; 676 dp_ai->len = 0x1b; 677 dp_ai->ver = 0x11 << 2; 678 dp_ai->CC02_CT47 = active_channels - 1; 679 dp_ai->CA = ca; 680 } else { 681 codec_dbg(codec, "HDMI: unknown connection type at pin %d\n", 682 pin_nid); 683 return; 684 } 685 686 snd_hda_set_dev_select(codec, pin_nid, dev_id); 687 688 /* 689 * sizeof(ai) is used instead of sizeof(*hdmi_ai) or 690 * sizeof(*dp_ai) to avoid partial match/update problems when 691 * the user switches between HDMI/DP monitors. 692 */ 693 if (!hdmi_infoframe_uptodate(codec, pin_nid, ai.bytes, 694 sizeof(ai))) { 695 codec_dbg(codec, 696 "hdmi_pin_setup_infoframe: pin=%d channels=%d ca=0x%02x\n", 697 pin_nid, 698 active_channels, ca); 699 hdmi_stop_infoframe_trans(codec, pin_nid); 700 hdmi_fill_audio_infoframe(codec, pin_nid, 701 ai.bytes, sizeof(ai)); 702 hdmi_start_infoframe_trans(codec, pin_nid); 703 } 704 } 705 706 static void hdmi_setup_audio_infoframe(struct hda_codec *codec, 707 struct hdmi_spec_per_pin *per_pin, 708 bool non_pcm) 709 { 710 struct hdmi_spec *spec = codec->spec; 711 struct hdac_chmap *chmap = &spec->chmap; 712 hda_nid_t pin_nid = per_pin->pin_nid; 713 int dev_id = per_pin->dev_id; 714 int channels = per_pin->channels; 715 int active_channels; 716 struct hdmi_eld *eld; 717 int ca; 718 719 if (!channels) 720 return; 721 722 snd_hda_set_dev_select(codec, pin_nid, dev_id); 723 724 /* some HW (e.g. HSW+) needs reprogramming the amp at each time */ 725 if (get_wcaps(codec, pin_nid) & AC_WCAP_OUT_AMP) 726 snd_hda_codec_write(codec, pin_nid, 0, 727 AC_VERB_SET_AMP_GAIN_MUTE, 728 AMP_OUT_UNMUTE); 729 730 eld = &per_pin->sink_eld; 731 732 ca = snd_hdac_channel_allocation(&codec->core, 733 eld->info.spk_alloc, channels, 734 per_pin->chmap_set, non_pcm, per_pin->chmap); 735 736 active_channels = snd_hdac_get_active_channels(ca); 737 738 chmap->ops.set_channel_count(&codec->core, per_pin->cvt_nid, 739 active_channels); 740 741 /* 742 * always configure channel mapping, it may have been changed by the 743 * user in the meantime 744 */ 745 snd_hdac_setup_channel_mapping(&spec->chmap, 746 pin_nid, non_pcm, ca, channels, 747 per_pin->chmap, per_pin->chmap_set); 748 749 spec->ops.pin_setup_infoframe(codec, pin_nid, dev_id, 750 ca, active_channels, eld->info.conn_type); 751 752 per_pin->non_pcm = non_pcm; 753 } 754 755 /* 756 * Unsolicited events 757 */ 758 759 static void hdmi_present_sense(struct hdmi_spec_per_pin *per_pin, int repoll); 760 761 static void check_presence_and_report(struct hda_codec *codec, hda_nid_t nid, 762 int dev_id) 763 { 764 struct hdmi_spec *spec = codec->spec; 765 int pin_idx = pin_id_to_pin_index(codec, nid, dev_id); 766 767 if (pin_idx < 0) 768 return; 769 mutex_lock(&spec->pcm_lock); 770 hdmi_present_sense(get_pin(spec, pin_idx), 1); 771 mutex_unlock(&spec->pcm_lock); 772 } 773 774 static void jack_callback(struct hda_codec *codec, 775 struct hda_jack_callback *jack) 776 { 777 /* stop polling when notification is enabled */ 778 if (codec_has_acomp(codec)) 779 return; 780 781 check_presence_and_report(codec, jack->nid, jack->dev_id); 782 } 783 784 static void hdmi_intrinsic_event(struct hda_codec *codec, unsigned int res, 785 struct hda_jack_tbl *jack) 786 { 787 jack->jack_dirty = 1; 788 789 codec_dbg(codec, 790 "HDMI hot plug event: Codec=%d Pin=%d Device=%d Inactive=%d Presence_Detect=%d ELD_Valid=%d\n", 791 codec->addr, jack->nid, jack->dev_id, !!(res & AC_UNSOL_RES_IA), 792 !!(res & AC_UNSOL_RES_PD), !!(res & AC_UNSOL_RES_ELDV)); 793 794 check_presence_and_report(codec, jack->nid, jack->dev_id); 795 } 796 797 static void hdmi_non_intrinsic_event(struct hda_codec *codec, unsigned int res) 798 { 799 int tag = res >> AC_UNSOL_RES_TAG_SHIFT; 800 int subtag = (res & AC_UNSOL_RES_SUBTAG) >> AC_UNSOL_RES_SUBTAG_SHIFT; 801 int cp_state = !!(res & AC_UNSOL_RES_CP_STATE); 802 int cp_ready = !!(res & AC_UNSOL_RES_CP_READY); 803 804 codec_info(codec, 805 "HDMI CP event: CODEC=%d TAG=%d SUBTAG=0x%x CP_STATE=%d CP_READY=%d\n", 806 codec->addr, 807 tag, 808 subtag, 809 cp_state, 810 cp_ready); 811 812 /* TODO */ 813 if (cp_state) { 814 ; 815 } 816 if (cp_ready) { 817 ; 818 } 819 } 820 821 822 static void hdmi_unsol_event(struct hda_codec *codec, unsigned int res) 823 { 824 int tag = res >> AC_UNSOL_RES_TAG_SHIFT; 825 int subtag = (res & AC_UNSOL_RES_SUBTAG) >> AC_UNSOL_RES_SUBTAG_SHIFT; 826 struct hda_jack_tbl *jack; 827 828 if (codec_has_acomp(codec)) 829 return; 830 831 if (codec->dp_mst) { 832 int dev_entry = 833 (res & AC_UNSOL_RES_DE) >> AC_UNSOL_RES_DE_SHIFT; 834 835 jack = snd_hda_jack_tbl_get_from_tag(codec, tag, dev_entry); 836 } else { 837 jack = snd_hda_jack_tbl_get_from_tag(codec, tag, 0); 838 } 839 840 if (!jack) { 841 codec_dbg(codec, "Unexpected HDMI event tag 0x%x\n", tag); 842 return; 843 } 844 845 if (subtag == 0) 846 hdmi_intrinsic_event(codec, res, jack); 847 else 848 hdmi_non_intrinsic_event(codec, res); 849 } 850 851 static void haswell_verify_D0(struct hda_codec *codec, 852 hda_nid_t cvt_nid, hda_nid_t nid) 853 { 854 int pwr; 855 856 /* For Haswell, the converter 1/2 may keep in D3 state after bootup, 857 * thus pins could only choose converter 0 for use. Make sure the 858 * converters are in correct power state */ 859 if (!snd_hda_check_power_state(codec, cvt_nid, AC_PWRST_D0)) 860 snd_hda_codec_write(codec, cvt_nid, 0, AC_VERB_SET_POWER_STATE, AC_PWRST_D0); 861 862 if (!snd_hda_check_power_state(codec, nid, AC_PWRST_D0)) { 863 snd_hda_codec_write(codec, nid, 0, AC_VERB_SET_POWER_STATE, 864 AC_PWRST_D0); 865 msleep(40); 866 pwr = snd_hda_codec_read(codec, nid, 0, AC_VERB_GET_POWER_STATE, 0); 867 pwr = (pwr & AC_PWRST_ACTUAL) >> AC_PWRST_ACTUAL_SHIFT; 868 codec_dbg(codec, "Haswell HDMI audio: Power for pin 0x%x is now D%d\n", nid, pwr); 869 } 870 } 871 872 /* 873 * Callbacks 874 */ 875 876 /* HBR should be Non-PCM, 8 channels */ 877 #define is_hbr_format(format) \ 878 ((format & AC_FMT_TYPE_NON_PCM) && (format & AC_FMT_CHAN_MASK) == 7) 879 880 static int hdmi_pin_hbr_setup(struct hda_codec *codec, hda_nid_t pin_nid, 881 int dev_id, bool hbr) 882 { 883 int pinctl, new_pinctl; 884 885 if (snd_hda_query_pin_caps(codec, pin_nid) & AC_PINCAP_HBR) { 886 snd_hda_set_dev_select(codec, pin_nid, dev_id); 887 pinctl = snd_hda_codec_read(codec, pin_nid, 0, 888 AC_VERB_GET_PIN_WIDGET_CONTROL, 0); 889 890 if (pinctl < 0) 891 return hbr ? -EINVAL : 0; 892 893 new_pinctl = pinctl & ~AC_PINCTL_EPT; 894 if (hbr) 895 new_pinctl |= AC_PINCTL_EPT_HBR; 896 else 897 new_pinctl |= AC_PINCTL_EPT_NATIVE; 898 899 codec_dbg(codec, 900 "hdmi_pin_hbr_setup: NID=0x%x, %spinctl=0x%x\n", 901 pin_nid, 902 pinctl == new_pinctl ? "" : "new-", 903 new_pinctl); 904 905 if (pinctl != new_pinctl) 906 snd_hda_codec_write(codec, pin_nid, 0, 907 AC_VERB_SET_PIN_WIDGET_CONTROL, 908 new_pinctl); 909 } else if (hbr) 910 return -EINVAL; 911 912 return 0; 913 } 914 915 static int hdmi_setup_stream(struct hda_codec *codec, hda_nid_t cvt_nid, 916 hda_nid_t pin_nid, int dev_id, 917 u32 stream_tag, int format) 918 { 919 struct hdmi_spec *spec = codec->spec; 920 unsigned int param; 921 int err; 922 923 err = spec->ops.pin_hbr_setup(codec, pin_nid, dev_id, 924 is_hbr_format(format)); 925 926 if (err) { 927 codec_dbg(codec, "hdmi_setup_stream: HBR is not supported\n"); 928 return err; 929 } 930 931 if (spec->intel_hsw_fixup) { 932 933 /* 934 * on recent platforms IEC Coding Type is required for HBR 935 * support, read current Digital Converter settings and set 936 * ICT bitfield if needed. 937 */ 938 param = snd_hda_codec_read(codec, cvt_nid, 0, 939 AC_VERB_GET_DIGI_CONVERT_1, 0); 940 941 param = (param >> 16) & ~(AC_DIG3_ICT); 942 943 /* on recent platforms ICT mode is required for HBR support */ 944 if (is_hbr_format(format)) 945 param |= 0x1; 946 947 snd_hda_codec_write(codec, cvt_nid, 0, 948 AC_VERB_SET_DIGI_CONVERT_3, param); 949 } 950 951 snd_hda_codec_setup_stream(codec, cvt_nid, stream_tag, 0, format); 952 return 0; 953 } 954 955 /* Try to find an available converter 956 * If pin_idx is less then zero, just try to find an available converter. 957 * Otherwise, try to find an available converter and get the cvt mux index 958 * of the pin. 959 */ 960 static int hdmi_choose_cvt(struct hda_codec *codec, 961 int pin_idx, int *cvt_id) 962 { 963 struct hdmi_spec *spec = codec->spec; 964 struct hdmi_spec_per_pin *per_pin; 965 struct hdmi_spec_per_cvt *per_cvt = NULL; 966 int cvt_idx, mux_idx = 0; 967 968 /* pin_idx < 0 means no pin will be bound to the converter */ 969 if (pin_idx < 0) 970 per_pin = NULL; 971 else 972 per_pin = get_pin(spec, pin_idx); 973 974 /* Dynamically assign converter to stream */ 975 for (cvt_idx = 0; cvt_idx < spec->num_cvts; cvt_idx++) { 976 per_cvt = get_cvt(spec, cvt_idx); 977 978 /* Must not already be assigned */ 979 if (per_cvt->assigned) 980 continue; 981 if (per_pin == NULL) 982 break; 983 /* Must be in pin's mux's list of converters */ 984 for (mux_idx = 0; mux_idx < per_pin->num_mux_nids; mux_idx++) 985 if (per_pin->mux_nids[mux_idx] == per_cvt->cvt_nid) 986 break; 987 /* Not in mux list */ 988 if (mux_idx == per_pin->num_mux_nids) 989 continue; 990 break; 991 } 992 993 /* No free converters */ 994 if (cvt_idx == spec->num_cvts) 995 return -EBUSY; 996 997 if (per_pin != NULL) 998 per_pin->mux_idx = mux_idx; 999 1000 if (cvt_id) 1001 *cvt_id = cvt_idx; 1002 1003 return 0; 1004 } 1005 1006 /* Assure the pin select the right convetor */ 1007 static void intel_verify_pin_cvt_connect(struct hda_codec *codec, 1008 struct hdmi_spec_per_pin *per_pin) 1009 { 1010 hda_nid_t pin_nid = per_pin->pin_nid; 1011 int mux_idx, curr; 1012 1013 mux_idx = per_pin->mux_idx; 1014 curr = snd_hda_codec_read(codec, pin_nid, 0, 1015 AC_VERB_GET_CONNECT_SEL, 0); 1016 if (curr != mux_idx) 1017 snd_hda_codec_write_cache(codec, pin_nid, 0, 1018 AC_VERB_SET_CONNECT_SEL, 1019 mux_idx); 1020 } 1021 1022 /* get the mux index for the converter of the pins 1023 * converter's mux index is the same for all pins on Intel platform 1024 */ 1025 static int intel_cvt_id_to_mux_idx(struct hdmi_spec *spec, 1026 hda_nid_t cvt_nid) 1027 { 1028 int i; 1029 1030 for (i = 0; i < spec->num_cvts; i++) 1031 if (spec->cvt_nids[i] == cvt_nid) 1032 return i; 1033 return -EINVAL; 1034 } 1035 1036 /* Intel HDMI workaround to fix audio routing issue: 1037 * For some Intel display codecs, pins share the same connection list. 1038 * So a conveter can be selected by multiple pins and playback on any of these 1039 * pins will generate sound on the external display, because audio flows from 1040 * the same converter to the display pipeline. Also muting one pin may make 1041 * other pins have no sound output. 1042 * So this function assures that an assigned converter for a pin is not selected 1043 * by any other pins. 1044 */ 1045 static void intel_not_share_assigned_cvt(struct hda_codec *codec, 1046 hda_nid_t pin_nid, 1047 int dev_id, int mux_idx) 1048 { 1049 struct hdmi_spec *spec = codec->spec; 1050 hda_nid_t nid; 1051 int cvt_idx, curr; 1052 struct hdmi_spec_per_cvt *per_cvt; 1053 struct hdmi_spec_per_pin *per_pin; 1054 int pin_idx; 1055 1056 /* configure the pins connections */ 1057 for (pin_idx = 0; pin_idx < spec->num_pins; pin_idx++) { 1058 int dev_id_saved; 1059 int dev_num; 1060 1061 per_pin = get_pin(spec, pin_idx); 1062 /* 1063 * pin not connected to monitor 1064 * no need to operate on it 1065 */ 1066 if (!per_pin->pcm) 1067 continue; 1068 1069 if ((per_pin->pin_nid == pin_nid) && 1070 (per_pin->dev_id == dev_id)) 1071 continue; 1072 1073 /* 1074 * if per_pin->dev_id >= dev_num, 1075 * snd_hda_get_dev_select() will fail, 1076 * and the following operation is unpredictable. 1077 * So skip this situation. 1078 */ 1079 dev_num = snd_hda_get_num_devices(codec, per_pin->pin_nid) + 1; 1080 if (per_pin->dev_id >= dev_num) 1081 continue; 1082 1083 nid = per_pin->pin_nid; 1084 1085 /* 1086 * Calling this function should not impact 1087 * on the device entry selection 1088 * So let's save the dev id for each pin, 1089 * and restore it when return 1090 */ 1091 dev_id_saved = snd_hda_get_dev_select(codec, nid); 1092 snd_hda_set_dev_select(codec, nid, per_pin->dev_id); 1093 curr = snd_hda_codec_read(codec, nid, 0, 1094 AC_VERB_GET_CONNECT_SEL, 0); 1095 if (curr != mux_idx) { 1096 snd_hda_set_dev_select(codec, nid, dev_id_saved); 1097 continue; 1098 } 1099 1100 1101 /* choose an unassigned converter. The conveters in the 1102 * connection list are in the same order as in the codec. 1103 */ 1104 for (cvt_idx = 0; cvt_idx < spec->num_cvts; cvt_idx++) { 1105 per_cvt = get_cvt(spec, cvt_idx); 1106 if (!per_cvt->assigned) { 1107 codec_dbg(codec, 1108 "choose cvt %d for pin nid %d\n", 1109 cvt_idx, nid); 1110 snd_hda_codec_write_cache(codec, nid, 0, 1111 AC_VERB_SET_CONNECT_SEL, 1112 cvt_idx); 1113 break; 1114 } 1115 } 1116 snd_hda_set_dev_select(codec, nid, dev_id_saved); 1117 } 1118 } 1119 1120 /* A wrapper of intel_not_share_asigned_cvt() */ 1121 static void intel_not_share_assigned_cvt_nid(struct hda_codec *codec, 1122 hda_nid_t pin_nid, int dev_id, hda_nid_t cvt_nid) 1123 { 1124 int mux_idx; 1125 struct hdmi_spec *spec = codec->spec; 1126 1127 /* On Intel platform, the mapping of converter nid to 1128 * mux index of the pins are always the same. 1129 * The pin nid may be 0, this means all pins will not 1130 * share the converter. 1131 */ 1132 mux_idx = intel_cvt_id_to_mux_idx(spec, cvt_nid); 1133 if (mux_idx >= 0) 1134 intel_not_share_assigned_cvt(codec, pin_nid, dev_id, mux_idx); 1135 } 1136 1137 /* skeleton caller of pin_cvt_fixup ops */ 1138 static void pin_cvt_fixup(struct hda_codec *codec, 1139 struct hdmi_spec_per_pin *per_pin, 1140 hda_nid_t cvt_nid) 1141 { 1142 struct hdmi_spec *spec = codec->spec; 1143 1144 if (spec->ops.pin_cvt_fixup) 1145 spec->ops.pin_cvt_fixup(codec, per_pin, cvt_nid); 1146 } 1147 1148 /* called in hdmi_pcm_open when no pin is assigned to the PCM 1149 * in dyn_pcm_assign mode. 1150 */ 1151 static int hdmi_pcm_open_no_pin(struct hda_pcm_stream *hinfo, 1152 struct hda_codec *codec, 1153 struct snd_pcm_substream *substream) 1154 { 1155 struct hdmi_spec *spec = codec->spec; 1156 struct snd_pcm_runtime *runtime = substream->runtime; 1157 int cvt_idx, pcm_idx; 1158 struct hdmi_spec_per_cvt *per_cvt = NULL; 1159 int err; 1160 1161 pcm_idx = hinfo_to_pcm_index(codec, hinfo); 1162 if (pcm_idx < 0) 1163 return -EINVAL; 1164 1165 err = hdmi_choose_cvt(codec, -1, &cvt_idx); 1166 if (err) 1167 return err; 1168 1169 per_cvt = get_cvt(spec, cvt_idx); 1170 per_cvt->assigned = 1; 1171 hinfo->nid = per_cvt->cvt_nid; 1172 1173 pin_cvt_fixup(codec, NULL, per_cvt->cvt_nid); 1174 1175 set_bit(pcm_idx, &spec->pcm_in_use); 1176 /* todo: setup spdif ctls assign */ 1177 1178 /* Initially set the converter's capabilities */ 1179 hinfo->channels_min = per_cvt->channels_min; 1180 hinfo->channels_max = per_cvt->channels_max; 1181 hinfo->rates = per_cvt->rates; 1182 hinfo->formats = per_cvt->formats; 1183 hinfo->maxbps = per_cvt->maxbps; 1184 1185 /* Store the updated parameters */ 1186 runtime->hw.channels_min = hinfo->channels_min; 1187 runtime->hw.channels_max = hinfo->channels_max; 1188 runtime->hw.formats = hinfo->formats; 1189 runtime->hw.rates = hinfo->rates; 1190 1191 snd_pcm_hw_constraint_step(substream->runtime, 0, 1192 SNDRV_PCM_HW_PARAM_CHANNELS, 2); 1193 return 0; 1194 } 1195 1196 /* 1197 * HDA PCM callbacks 1198 */ 1199 static int hdmi_pcm_open(struct hda_pcm_stream *hinfo, 1200 struct hda_codec *codec, 1201 struct snd_pcm_substream *substream) 1202 { 1203 struct hdmi_spec *spec = codec->spec; 1204 struct snd_pcm_runtime *runtime = substream->runtime; 1205 int pin_idx, cvt_idx, pcm_idx; 1206 struct hdmi_spec_per_pin *per_pin; 1207 struct hdmi_eld *eld; 1208 struct hdmi_spec_per_cvt *per_cvt = NULL; 1209 int err; 1210 1211 /* Validate hinfo */ 1212 pcm_idx = hinfo_to_pcm_index(codec, hinfo); 1213 if (pcm_idx < 0) 1214 return -EINVAL; 1215 1216 mutex_lock(&spec->pcm_lock); 1217 pin_idx = hinfo_to_pin_index(codec, hinfo); 1218 if (!spec->dyn_pcm_assign) { 1219 if (snd_BUG_ON(pin_idx < 0)) { 1220 err = -EINVAL; 1221 goto unlock; 1222 } 1223 } else { 1224 /* no pin is assigned to the PCM 1225 * PA need pcm open successfully when probe 1226 */ 1227 if (pin_idx < 0) { 1228 err = hdmi_pcm_open_no_pin(hinfo, codec, substream); 1229 goto unlock; 1230 } 1231 } 1232 1233 err = hdmi_choose_cvt(codec, pin_idx, &cvt_idx); 1234 if (err < 0) 1235 goto unlock; 1236 1237 per_cvt = get_cvt(spec, cvt_idx); 1238 /* Claim converter */ 1239 per_cvt->assigned = 1; 1240 1241 set_bit(pcm_idx, &spec->pcm_in_use); 1242 per_pin = get_pin(spec, pin_idx); 1243 per_pin->cvt_nid = per_cvt->cvt_nid; 1244 hinfo->nid = per_cvt->cvt_nid; 1245 1246 /* flip stripe flag for the assigned stream if supported */ 1247 if (get_wcaps(codec, per_cvt->cvt_nid) & AC_WCAP_STRIPE) 1248 azx_stream(get_azx_dev(substream))->stripe = 1; 1249 1250 snd_hda_set_dev_select(codec, per_pin->pin_nid, per_pin->dev_id); 1251 snd_hda_codec_write_cache(codec, per_pin->pin_nid, 0, 1252 AC_VERB_SET_CONNECT_SEL, 1253 per_pin->mux_idx); 1254 1255 /* configure unused pins to choose other converters */ 1256 pin_cvt_fixup(codec, per_pin, 0); 1257 1258 snd_hda_spdif_ctls_assign(codec, pcm_idx, per_cvt->cvt_nid); 1259 1260 /* Initially set the converter's capabilities */ 1261 hinfo->channels_min = per_cvt->channels_min; 1262 hinfo->channels_max = per_cvt->channels_max; 1263 hinfo->rates = per_cvt->rates; 1264 hinfo->formats = per_cvt->formats; 1265 hinfo->maxbps = per_cvt->maxbps; 1266 1267 eld = &per_pin->sink_eld; 1268 /* Restrict capabilities by ELD if this isn't disabled */ 1269 if (!static_hdmi_pcm && eld->eld_valid) { 1270 snd_hdmi_eld_update_pcm_info(&eld->info, hinfo); 1271 if (hinfo->channels_min > hinfo->channels_max || 1272 !hinfo->rates || !hinfo->formats) { 1273 per_cvt->assigned = 0; 1274 hinfo->nid = 0; 1275 snd_hda_spdif_ctls_unassign(codec, pcm_idx); 1276 err = -ENODEV; 1277 goto unlock; 1278 } 1279 } 1280 1281 /* Store the updated parameters */ 1282 runtime->hw.channels_min = hinfo->channels_min; 1283 runtime->hw.channels_max = hinfo->channels_max; 1284 runtime->hw.formats = hinfo->formats; 1285 runtime->hw.rates = hinfo->rates; 1286 1287 snd_pcm_hw_constraint_step(substream->runtime, 0, 1288 SNDRV_PCM_HW_PARAM_CHANNELS, 2); 1289 unlock: 1290 mutex_unlock(&spec->pcm_lock); 1291 return err; 1292 } 1293 1294 /* 1295 * HDA/HDMI auto parsing 1296 */ 1297 static int hdmi_read_pin_conn(struct hda_codec *codec, int pin_idx) 1298 { 1299 struct hdmi_spec *spec = codec->spec; 1300 struct hdmi_spec_per_pin *per_pin = get_pin(spec, pin_idx); 1301 hda_nid_t pin_nid = per_pin->pin_nid; 1302 int dev_id = per_pin->dev_id; 1303 int conns; 1304 1305 if (!(get_wcaps(codec, pin_nid) & AC_WCAP_CONN_LIST)) { 1306 codec_warn(codec, 1307 "HDMI: pin %d wcaps %#x does not support connection list\n", 1308 pin_nid, get_wcaps(codec, pin_nid)); 1309 return -EINVAL; 1310 } 1311 1312 snd_hda_set_dev_select(codec, pin_nid, dev_id); 1313 1314 if (spec->intel_hsw_fixup) { 1315 conns = spec->num_cvts; 1316 memcpy(per_pin->mux_nids, spec->cvt_nids, 1317 sizeof(hda_nid_t) * conns); 1318 } else { 1319 conns = snd_hda_get_raw_connections(codec, pin_nid, 1320 per_pin->mux_nids, 1321 HDA_MAX_CONNECTIONS); 1322 } 1323 1324 /* all the device entries on the same pin have the same conn list */ 1325 per_pin->num_mux_nids = conns; 1326 1327 return 0; 1328 } 1329 1330 static int hdmi_find_pcm_slot(struct hdmi_spec *spec, 1331 struct hdmi_spec_per_pin *per_pin) 1332 { 1333 int i; 1334 1335 /* 1336 * generic_hdmi_build_pcms() may allocate extra PCMs on some 1337 * platforms (with maximum of 'num_nids + dev_num - 1') 1338 * 1339 * The per_pin of pin_nid_idx=n and dev_id=m prefers to get pcm-n 1340 * if m==0. This guarantees that dynamic pcm assignments are compatible 1341 * with the legacy static per_pin-pcm assignment that existed in the 1342 * days before DP-MST. 1343 * 1344 * Intel DP-MST prefers this legacy behavior for compatibility, too. 1345 * 1346 * per_pin of m!=0 prefers to get pcm=(num_nids + (m - 1)). 1347 */ 1348 1349 if (per_pin->dev_id == 0 || spec->intel_hsw_fixup) { 1350 if (!test_bit(per_pin->pin_nid_idx, &spec->pcm_bitmap)) 1351 return per_pin->pin_nid_idx; 1352 } else { 1353 i = spec->num_nids + (per_pin->dev_id - 1); 1354 if (i < spec->pcm_used && !(test_bit(i, &spec->pcm_bitmap))) 1355 return i; 1356 } 1357 1358 /* have a second try; check the area over num_nids */ 1359 for (i = spec->num_nids; i < spec->pcm_used; i++) { 1360 if (!test_bit(i, &spec->pcm_bitmap)) 1361 return i; 1362 } 1363 1364 /* the last try; check the empty slots in pins */ 1365 for (i = 0; i < spec->num_nids; i++) { 1366 if (!test_bit(i, &spec->pcm_bitmap)) 1367 return i; 1368 } 1369 return -EBUSY; 1370 } 1371 1372 static void hdmi_attach_hda_pcm(struct hdmi_spec *spec, 1373 struct hdmi_spec_per_pin *per_pin) 1374 { 1375 int idx; 1376 1377 /* pcm already be attached to the pin */ 1378 if (per_pin->pcm) 1379 return; 1380 idx = hdmi_find_pcm_slot(spec, per_pin); 1381 if (idx == -EBUSY) 1382 return; 1383 per_pin->pcm_idx = idx; 1384 per_pin->pcm = get_hdmi_pcm(spec, idx); 1385 set_bit(idx, &spec->pcm_bitmap); 1386 } 1387 1388 static void hdmi_detach_hda_pcm(struct hdmi_spec *spec, 1389 struct hdmi_spec_per_pin *per_pin) 1390 { 1391 int idx; 1392 1393 /* pcm already be detached from the pin */ 1394 if (!per_pin->pcm) 1395 return; 1396 idx = per_pin->pcm_idx; 1397 per_pin->pcm_idx = -1; 1398 per_pin->pcm = NULL; 1399 if (idx >= 0 && idx < spec->pcm_used) 1400 clear_bit(idx, &spec->pcm_bitmap); 1401 } 1402 1403 static int hdmi_get_pin_cvt_mux(struct hdmi_spec *spec, 1404 struct hdmi_spec_per_pin *per_pin, hda_nid_t cvt_nid) 1405 { 1406 int mux_idx; 1407 1408 for (mux_idx = 0; mux_idx < per_pin->num_mux_nids; mux_idx++) 1409 if (per_pin->mux_nids[mux_idx] == cvt_nid) 1410 break; 1411 return mux_idx; 1412 } 1413 1414 static bool check_non_pcm_per_cvt(struct hda_codec *codec, hda_nid_t cvt_nid); 1415 1416 static void hdmi_pcm_setup_pin(struct hdmi_spec *spec, 1417 struct hdmi_spec_per_pin *per_pin) 1418 { 1419 struct hda_codec *codec = per_pin->codec; 1420 struct hda_pcm *pcm; 1421 struct hda_pcm_stream *hinfo; 1422 struct snd_pcm_substream *substream; 1423 int mux_idx; 1424 bool non_pcm; 1425 1426 if (per_pin->pcm_idx >= 0 && per_pin->pcm_idx < spec->pcm_used) 1427 pcm = get_pcm_rec(spec, per_pin->pcm_idx); 1428 else 1429 return; 1430 if (!pcm->pcm) 1431 return; 1432 if (!test_bit(per_pin->pcm_idx, &spec->pcm_in_use)) 1433 return; 1434 1435 /* hdmi audio only uses playback and one substream */ 1436 hinfo = pcm->stream; 1437 substream = pcm->pcm->streams[0].substream; 1438 1439 per_pin->cvt_nid = hinfo->nid; 1440 1441 mux_idx = hdmi_get_pin_cvt_mux(spec, per_pin, hinfo->nid); 1442 if (mux_idx < per_pin->num_mux_nids) { 1443 snd_hda_set_dev_select(codec, per_pin->pin_nid, 1444 per_pin->dev_id); 1445 snd_hda_codec_write_cache(codec, per_pin->pin_nid, 0, 1446 AC_VERB_SET_CONNECT_SEL, 1447 mux_idx); 1448 } 1449 snd_hda_spdif_ctls_assign(codec, per_pin->pcm_idx, hinfo->nid); 1450 1451 non_pcm = check_non_pcm_per_cvt(codec, hinfo->nid); 1452 if (substream->runtime) 1453 per_pin->channels = substream->runtime->channels; 1454 per_pin->setup = true; 1455 per_pin->mux_idx = mux_idx; 1456 1457 hdmi_setup_audio_infoframe(codec, per_pin, non_pcm); 1458 } 1459 1460 static void hdmi_pcm_reset_pin(struct hdmi_spec *spec, 1461 struct hdmi_spec_per_pin *per_pin) 1462 { 1463 if (per_pin->pcm_idx >= 0 && per_pin->pcm_idx < spec->pcm_used) 1464 snd_hda_spdif_ctls_unassign(per_pin->codec, per_pin->pcm_idx); 1465 1466 per_pin->chmap_set = false; 1467 memset(per_pin->chmap, 0, sizeof(per_pin->chmap)); 1468 1469 per_pin->setup = false; 1470 per_pin->channels = 0; 1471 } 1472 1473 static struct snd_jack *pin_idx_to_pcm_jack(struct hda_codec *codec, 1474 struct hdmi_spec_per_pin *per_pin) 1475 { 1476 struct hdmi_spec *spec = codec->spec; 1477 1478 if (per_pin->pcm_idx >= 0) 1479 return spec->pcm_rec[per_pin->pcm_idx].jack; 1480 else 1481 return NULL; 1482 } 1483 1484 /* update per_pin ELD from the given new ELD; 1485 * setup info frame and notification accordingly 1486 * also notify ELD kctl and report jack status changes 1487 */ 1488 static void update_eld(struct hda_codec *codec, 1489 struct hdmi_spec_per_pin *per_pin, 1490 struct hdmi_eld *eld, 1491 int repoll) 1492 { 1493 struct hdmi_eld *pin_eld = &per_pin->sink_eld; 1494 struct hdmi_spec *spec = codec->spec; 1495 struct snd_jack *pcm_jack; 1496 bool old_eld_valid = pin_eld->eld_valid; 1497 bool eld_changed; 1498 int pcm_idx; 1499 1500 if (eld->eld_valid) { 1501 if (eld->eld_size <= 0 || 1502 snd_hdmi_parse_eld(codec, &eld->info, eld->eld_buffer, 1503 eld->eld_size) < 0) { 1504 eld->eld_valid = false; 1505 if (repoll) { 1506 schedule_delayed_work(&per_pin->work, 1507 msecs_to_jiffies(300)); 1508 return; 1509 } 1510 } 1511 } 1512 1513 if (!eld->eld_valid || eld->eld_size <= 0) { 1514 eld->eld_valid = false; 1515 eld->eld_size = 0; 1516 } 1517 1518 /* for monitor disconnection, save pcm_idx firstly */ 1519 pcm_idx = per_pin->pcm_idx; 1520 1521 /* 1522 * pcm_idx >=0 before update_eld() means it is in monitor 1523 * disconnected event. Jack must be fetched before update_eld(). 1524 */ 1525 pcm_jack = pin_idx_to_pcm_jack(codec, per_pin); 1526 1527 if (spec->dyn_pcm_assign) { 1528 if (eld->eld_valid) { 1529 hdmi_attach_hda_pcm(spec, per_pin); 1530 hdmi_pcm_setup_pin(spec, per_pin); 1531 } else { 1532 hdmi_pcm_reset_pin(spec, per_pin); 1533 hdmi_detach_hda_pcm(spec, per_pin); 1534 } 1535 } 1536 /* if pcm_idx == -1, it means this is in monitor connection event 1537 * we can get the correct pcm_idx now. 1538 */ 1539 if (pcm_idx == -1) 1540 pcm_idx = per_pin->pcm_idx; 1541 if (!pcm_jack) 1542 pcm_jack = pin_idx_to_pcm_jack(codec, per_pin); 1543 1544 if (eld->eld_valid) 1545 snd_hdmi_show_eld(codec, &eld->info); 1546 1547 eld_changed = (pin_eld->eld_valid != eld->eld_valid); 1548 eld_changed |= (pin_eld->monitor_present != eld->monitor_present); 1549 if (!eld_changed && eld->eld_valid && pin_eld->eld_valid) 1550 if (pin_eld->eld_size != eld->eld_size || 1551 memcmp(pin_eld->eld_buffer, eld->eld_buffer, 1552 eld->eld_size) != 0) 1553 eld_changed = true; 1554 1555 if (eld_changed) { 1556 pin_eld->monitor_present = eld->monitor_present; 1557 pin_eld->eld_valid = eld->eld_valid; 1558 pin_eld->eld_size = eld->eld_size; 1559 if (eld->eld_valid) 1560 memcpy(pin_eld->eld_buffer, eld->eld_buffer, 1561 eld->eld_size); 1562 pin_eld->info = eld->info; 1563 } 1564 1565 /* 1566 * Re-setup pin and infoframe. This is needed e.g. when 1567 * - sink is first plugged-in 1568 * - transcoder can change during stream playback on Haswell 1569 * and this can make HW reset converter selection on a pin. 1570 */ 1571 if (eld->eld_valid && !old_eld_valid && per_pin->setup) { 1572 pin_cvt_fixup(codec, per_pin, 0); 1573 hdmi_setup_audio_infoframe(codec, per_pin, per_pin->non_pcm); 1574 } 1575 1576 if (eld_changed && pcm_idx >= 0) 1577 snd_ctl_notify(codec->card, 1578 SNDRV_CTL_EVENT_MASK_VALUE | 1579 SNDRV_CTL_EVENT_MASK_INFO, 1580 &get_hdmi_pcm(spec, pcm_idx)->eld_ctl->id); 1581 1582 if (eld_changed && pcm_jack) 1583 snd_jack_report(pcm_jack, 1584 (eld->monitor_present && eld->eld_valid) ? 1585 SND_JACK_AVOUT : 0); 1586 } 1587 1588 /* update ELD and jack state via HD-audio verbs */ 1589 static void hdmi_present_sense_via_verbs(struct hdmi_spec_per_pin *per_pin, 1590 int repoll) 1591 { 1592 struct hda_codec *codec = per_pin->codec; 1593 struct hdmi_spec *spec = codec->spec; 1594 struct hdmi_eld *eld = &spec->temp_eld; 1595 hda_nid_t pin_nid = per_pin->pin_nid; 1596 int dev_id = per_pin->dev_id; 1597 /* 1598 * Always execute a GetPinSense verb here, even when called from 1599 * hdmi_intrinsic_event; for some NVIDIA HW, the unsolicited 1600 * response's PD bit is not the real PD value, but indicates that 1601 * the real PD value changed. An older version of the HD-audio 1602 * specification worked this way. Hence, we just ignore the data in 1603 * the unsolicited response to avoid custom WARs. 1604 */ 1605 int present; 1606 int ret; 1607 1608 ret = snd_hda_power_up_pm(codec); 1609 if (ret < 0 && pm_runtime_suspended(hda_codec_dev(codec))) 1610 goto out; 1611 1612 present = snd_hda_jack_pin_sense(codec, pin_nid, dev_id); 1613 1614 mutex_lock(&per_pin->lock); 1615 eld->monitor_present = !!(present & AC_PINSENSE_PRESENCE); 1616 if (eld->monitor_present) 1617 eld->eld_valid = !!(present & AC_PINSENSE_ELDV); 1618 else 1619 eld->eld_valid = false; 1620 1621 codec_dbg(codec, 1622 "HDMI status: Codec=%d Pin=%d Presence_Detect=%d ELD_Valid=%d\n", 1623 codec->addr, pin_nid, eld->monitor_present, eld->eld_valid); 1624 1625 if (eld->eld_valid) { 1626 if (spec->ops.pin_get_eld(codec, pin_nid, dev_id, 1627 eld->eld_buffer, &eld->eld_size) < 0) 1628 eld->eld_valid = false; 1629 } 1630 1631 update_eld(codec, per_pin, eld, repoll); 1632 mutex_unlock(&per_pin->lock); 1633 out: 1634 snd_hda_power_down_pm(codec); 1635 } 1636 1637 /* update ELD and jack state via audio component */ 1638 static void sync_eld_via_acomp(struct hda_codec *codec, 1639 struct hdmi_spec_per_pin *per_pin) 1640 { 1641 struct hdmi_spec *spec = codec->spec; 1642 struct hdmi_eld *eld = &spec->temp_eld; 1643 1644 mutex_lock(&per_pin->lock); 1645 eld->monitor_present = false; 1646 eld->eld_size = snd_hdac_acomp_get_eld(&codec->core, per_pin->pin_nid, 1647 per_pin->dev_id, &eld->monitor_present, 1648 eld->eld_buffer, ELD_MAX_SIZE); 1649 eld->eld_valid = (eld->eld_size > 0); 1650 update_eld(codec, per_pin, eld, 0); 1651 mutex_unlock(&per_pin->lock); 1652 } 1653 1654 static void hdmi_present_sense(struct hdmi_spec_per_pin *per_pin, int repoll) 1655 { 1656 struct hda_codec *codec = per_pin->codec; 1657 1658 if (!codec_has_acomp(codec)) 1659 hdmi_present_sense_via_verbs(per_pin, repoll); 1660 else 1661 sync_eld_via_acomp(codec, per_pin); 1662 } 1663 1664 static void hdmi_repoll_eld(struct work_struct *work) 1665 { 1666 struct hdmi_spec_per_pin *per_pin = 1667 container_of(to_delayed_work(work), struct hdmi_spec_per_pin, work); 1668 struct hda_codec *codec = per_pin->codec; 1669 struct hdmi_spec *spec = codec->spec; 1670 struct hda_jack_tbl *jack; 1671 1672 jack = snd_hda_jack_tbl_get_mst(codec, per_pin->pin_nid, 1673 per_pin->dev_id); 1674 if (jack) 1675 jack->jack_dirty = 1; 1676 1677 if (per_pin->repoll_count++ > 6) 1678 per_pin->repoll_count = 0; 1679 1680 mutex_lock(&spec->pcm_lock); 1681 hdmi_present_sense(per_pin, per_pin->repoll_count); 1682 mutex_unlock(&spec->pcm_lock); 1683 } 1684 1685 static int hdmi_add_pin(struct hda_codec *codec, hda_nid_t pin_nid) 1686 { 1687 struct hdmi_spec *spec = codec->spec; 1688 unsigned int caps, config; 1689 int pin_idx; 1690 struct hdmi_spec_per_pin *per_pin; 1691 int err; 1692 int dev_num, i; 1693 1694 caps = snd_hda_query_pin_caps(codec, pin_nid); 1695 if (!(caps & (AC_PINCAP_HDMI | AC_PINCAP_DP))) 1696 return 0; 1697 1698 /* 1699 * For DP MST audio, Configuration Default is the same for 1700 * all device entries on the same pin 1701 */ 1702 config = snd_hda_codec_get_pincfg(codec, pin_nid); 1703 if (get_defcfg_connect(config) == AC_JACK_PORT_NONE) 1704 return 0; 1705 1706 /* 1707 * To simplify the implementation, malloc all 1708 * the virtual pins in the initialization statically 1709 */ 1710 if (spec->intel_hsw_fixup) { 1711 /* 1712 * On Intel platforms, device entries number is 1713 * changed dynamically. If there is a DP MST 1714 * hub connected, the device entries number is 3. 1715 * Otherwise, it is 1. 1716 * Here we manually set dev_num to 3, so that 1717 * we can initialize all the device entries when 1718 * bootup statically. 1719 */ 1720 dev_num = 3; 1721 spec->dev_num = 3; 1722 } else if (spec->dyn_pcm_assign && codec->dp_mst) { 1723 dev_num = snd_hda_get_num_devices(codec, pin_nid) + 1; 1724 /* 1725 * spec->dev_num is the maxinum number of device entries 1726 * among all the pins 1727 */ 1728 spec->dev_num = (spec->dev_num > dev_num) ? 1729 spec->dev_num : dev_num; 1730 } else { 1731 /* 1732 * If the platform doesn't support DP MST, 1733 * manually set dev_num to 1. This means 1734 * the pin has only one device entry. 1735 */ 1736 dev_num = 1; 1737 spec->dev_num = 1; 1738 } 1739 1740 for (i = 0; i < dev_num; i++) { 1741 pin_idx = spec->num_pins; 1742 per_pin = snd_array_new(&spec->pins); 1743 1744 if (!per_pin) 1745 return -ENOMEM; 1746 1747 if (spec->dyn_pcm_assign) { 1748 per_pin->pcm = NULL; 1749 per_pin->pcm_idx = -1; 1750 } else { 1751 per_pin->pcm = get_hdmi_pcm(spec, pin_idx); 1752 per_pin->pcm_idx = pin_idx; 1753 } 1754 per_pin->pin_nid = pin_nid; 1755 per_pin->pin_nid_idx = spec->num_nids; 1756 per_pin->dev_id = i; 1757 per_pin->non_pcm = false; 1758 snd_hda_set_dev_select(codec, pin_nid, i); 1759 err = hdmi_read_pin_conn(codec, pin_idx); 1760 if (err < 0) 1761 return err; 1762 spec->num_pins++; 1763 } 1764 spec->num_nids++; 1765 1766 return 0; 1767 } 1768 1769 static int hdmi_add_cvt(struct hda_codec *codec, hda_nid_t cvt_nid) 1770 { 1771 struct hdmi_spec *spec = codec->spec; 1772 struct hdmi_spec_per_cvt *per_cvt; 1773 unsigned int chans; 1774 int err; 1775 1776 chans = get_wcaps(codec, cvt_nid); 1777 chans = get_wcaps_channels(chans); 1778 1779 per_cvt = snd_array_new(&spec->cvts); 1780 if (!per_cvt) 1781 return -ENOMEM; 1782 1783 per_cvt->cvt_nid = cvt_nid; 1784 per_cvt->channels_min = 2; 1785 if (chans <= 16) { 1786 per_cvt->channels_max = chans; 1787 if (chans > spec->chmap.channels_max) 1788 spec->chmap.channels_max = chans; 1789 } 1790 1791 err = snd_hda_query_supported_pcm(codec, cvt_nid, 1792 &per_cvt->rates, 1793 &per_cvt->formats, 1794 &per_cvt->maxbps); 1795 if (err < 0) 1796 return err; 1797 1798 if (spec->num_cvts < ARRAY_SIZE(spec->cvt_nids)) 1799 spec->cvt_nids[spec->num_cvts] = cvt_nid; 1800 spec->num_cvts++; 1801 1802 return 0; 1803 } 1804 1805 static int hdmi_parse_codec(struct hda_codec *codec) 1806 { 1807 hda_nid_t nid; 1808 int i, nodes; 1809 1810 nodes = snd_hda_get_sub_nodes(codec, codec->core.afg, &nid); 1811 if (!nid || nodes < 0) { 1812 codec_warn(codec, "HDMI: failed to get afg sub nodes\n"); 1813 return -EINVAL; 1814 } 1815 1816 for (i = 0; i < nodes; i++, nid++) { 1817 unsigned int caps; 1818 unsigned int type; 1819 1820 caps = get_wcaps(codec, nid); 1821 type = get_wcaps_type(caps); 1822 1823 if (!(caps & AC_WCAP_DIGITAL)) 1824 continue; 1825 1826 switch (type) { 1827 case AC_WID_AUD_OUT: 1828 hdmi_add_cvt(codec, nid); 1829 break; 1830 case AC_WID_PIN: 1831 hdmi_add_pin(codec, nid); 1832 break; 1833 } 1834 } 1835 1836 return 0; 1837 } 1838 1839 /* 1840 */ 1841 static bool check_non_pcm_per_cvt(struct hda_codec *codec, hda_nid_t cvt_nid) 1842 { 1843 struct hda_spdif_out *spdif; 1844 bool non_pcm; 1845 1846 mutex_lock(&codec->spdif_mutex); 1847 spdif = snd_hda_spdif_out_of_nid(codec, cvt_nid); 1848 /* Add sanity check to pass klockwork check. 1849 * This should never happen. 1850 */ 1851 if (WARN_ON(spdif == NULL)) { 1852 mutex_unlock(&codec->spdif_mutex); 1853 return true; 1854 } 1855 non_pcm = !!(spdif->status & IEC958_AES0_NONAUDIO); 1856 mutex_unlock(&codec->spdif_mutex); 1857 return non_pcm; 1858 } 1859 1860 /* 1861 * HDMI callbacks 1862 */ 1863 1864 static int generic_hdmi_playback_pcm_prepare(struct hda_pcm_stream *hinfo, 1865 struct hda_codec *codec, 1866 unsigned int stream_tag, 1867 unsigned int format, 1868 struct snd_pcm_substream *substream) 1869 { 1870 hda_nid_t cvt_nid = hinfo->nid; 1871 struct hdmi_spec *spec = codec->spec; 1872 int pin_idx; 1873 struct hdmi_spec_per_pin *per_pin; 1874 struct snd_pcm_runtime *runtime = substream->runtime; 1875 bool non_pcm; 1876 int pinctl, stripe; 1877 int err = 0; 1878 1879 mutex_lock(&spec->pcm_lock); 1880 pin_idx = hinfo_to_pin_index(codec, hinfo); 1881 if (spec->dyn_pcm_assign && pin_idx < 0) { 1882 /* when dyn_pcm_assign and pcm is not bound to a pin 1883 * skip pin setup and return 0 to make audio playback 1884 * be ongoing 1885 */ 1886 pin_cvt_fixup(codec, NULL, cvt_nid); 1887 snd_hda_codec_setup_stream(codec, cvt_nid, 1888 stream_tag, 0, format); 1889 goto unlock; 1890 } 1891 1892 if (snd_BUG_ON(pin_idx < 0)) { 1893 err = -EINVAL; 1894 goto unlock; 1895 } 1896 per_pin = get_pin(spec, pin_idx); 1897 1898 /* Verify pin:cvt selections to avoid silent audio after S3. 1899 * After S3, the audio driver restores pin:cvt selections 1900 * but this can happen before gfx is ready and such selection 1901 * is overlooked by HW. Thus multiple pins can share a same 1902 * default convertor and mute control will affect each other, 1903 * which can cause a resumed audio playback become silent 1904 * after S3. 1905 */ 1906 pin_cvt_fixup(codec, per_pin, 0); 1907 1908 /* Call sync_audio_rate to set the N/CTS/M manually if necessary */ 1909 /* Todo: add DP1.2 MST audio support later */ 1910 if (codec_has_acomp(codec)) 1911 snd_hdac_sync_audio_rate(&codec->core, per_pin->pin_nid, 1912 per_pin->dev_id, runtime->rate); 1913 1914 non_pcm = check_non_pcm_per_cvt(codec, cvt_nid); 1915 mutex_lock(&per_pin->lock); 1916 per_pin->channels = substream->runtime->channels; 1917 per_pin->setup = true; 1918 1919 if (get_wcaps(codec, cvt_nid) & AC_WCAP_STRIPE) { 1920 stripe = snd_hdac_get_stream_stripe_ctl(&codec->bus->core, 1921 substream); 1922 snd_hda_codec_write(codec, cvt_nid, 0, 1923 AC_VERB_SET_STRIPE_CONTROL, 1924 stripe); 1925 } 1926 1927 hdmi_setup_audio_infoframe(codec, per_pin, non_pcm); 1928 mutex_unlock(&per_pin->lock); 1929 if (spec->dyn_pin_out) { 1930 snd_hda_set_dev_select(codec, per_pin->pin_nid, 1931 per_pin->dev_id); 1932 pinctl = snd_hda_codec_read(codec, per_pin->pin_nid, 0, 1933 AC_VERB_GET_PIN_WIDGET_CONTROL, 0); 1934 snd_hda_codec_write(codec, per_pin->pin_nid, 0, 1935 AC_VERB_SET_PIN_WIDGET_CONTROL, 1936 pinctl | PIN_OUT); 1937 } 1938 1939 /* snd_hda_set_dev_select() has been called before */ 1940 err = spec->ops.setup_stream(codec, cvt_nid, per_pin->pin_nid, 1941 per_pin->dev_id, stream_tag, format); 1942 unlock: 1943 mutex_unlock(&spec->pcm_lock); 1944 return err; 1945 } 1946 1947 static int generic_hdmi_playback_pcm_cleanup(struct hda_pcm_stream *hinfo, 1948 struct hda_codec *codec, 1949 struct snd_pcm_substream *substream) 1950 { 1951 snd_hda_codec_cleanup_stream(codec, hinfo->nid); 1952 return 0; 1953 } 1954 1955 static int hdmi_pcm_close(struct hda_pcm_stream *hinfo, 1956 struct hda_codec *codec, 1957 struct snd_pcm_substream *substream) 1958 { 1959 struct hdmi_spec *spec = codec->spec; 1960 int cvt_idx, pin_idx, pcm_idx; 1961 struct hdmi_spec_per_cvt *per_cvt; 1962 struct hdmi_spec_per_pin *per_pin; 1963 int pinctl; 1964 int err = 0; 1965 1966 if (hinfo->nid) { 1967 pcm_idx = hinfo_to_pcm_index(codec, hinfo); 1968 if (snd_BUG_ON(pcm_idx < 0)) 1969 return -EINVAL; 1970 cvt_idx = cvt_nid_to_cvt_index(codec, hinfo->nid); 1971 if (snd_BUG_ON(cvt_idx < 0)) 1972 return -EINVAL; 1973 per_cvt = get_cvt(spec, cvt_idx); 1974 1975 snd_BUG_ON(!per_cvt->assigned); 1976 per_cvt->assigned = 0; 1977 hinfo->nid = 0; 1978 1979 azx_stream(get_azx_dev(substream))->stripe = 0; 1980 1981 mutex_lock(&spec->pcm_lock); 1982 snd_hda_spdif_ctls_unassign(codec, pcm_idx); 1983 clear_bit(pcm_idx, &spec->pcm_in_use); 1984 pin_idx = hinfo_to_pin_index(codec, hinfo); 1985 if (spec->dyn_pcm_assign && pin_idx < 0) 1986 goto unlock; 1987 1988 if (snd_BUG_ON(pin_idx < 0)) { 1989 err = -EINVAL; 1990 goto unlock; 1991 } 1992 per_pin = get_pin(spec, pin_idx); 1993 1994 if (spec->dyn_pin_out) { 1995 snd_hda_set_dev_select(codec, per_pin->pin_nid, 1996 per_pin->dev_id); 1997 pinctl = snd_hda_codec_read(codec, per_pin->pin_nid, 0, 1998 AC_VERB_GET_PIN_WIDGET_CONTROL, 0); 1999 snd_hda_codec_write(codec, per_pin->pin_nid, 0, 2000 AC_VERB_SET_PIN_WIDGET_CONTROL, 2001 pinctl & ~PIN_OUT); 2002 } 2003 2004 mutex_lock(&per_pin->lock); 2005 per_pin->chmap_set = false; 2006 memset(per_pin->chmap, 0, sizeof(per_pin->chmap)); 2007 2008 per_pin->setup = false; 2009 per_pin->channels = 0; 2010 mutex_unlock(&per_pin->lock); 2011 unlock: 2012 mutex_unlock(&spec->pcm_lock); 2013 } 2014 2015 return err; 2016 } 2017 2018 static const struct hda_pcm_ops generic_ops = { 2019 .open = hdmi_pcm_open, 2020 .close = hdmi_pcm_close, 2021 .prepare = generic_hdmi_playback_pcm_prepare, 2022 .cleanup = generic_hdmi_playback_pcm_cleanup, 2023 }; 2024 2025 static int hdmi_get_spk_alloc(struct hdac_device *hdac, int pcm_idx) 2026 { 2027 struct hda_codec *codec = hdac_to_hda_codec(hdac); 2028 struct hdmi_spec *spec = codec->spec; 2029 struct hdmi_spec_per_pin *per_pin = pcm_idx_to_pin(spec, pcm_idx); 2030 2031 if (!per_pin) 2032 return 0; 2033 2034 return per_pin->sink_eld.info.spk_alloc; 2035 } 2036 2037 static void hdmi_get_chmap(struct hdac_device *hdac, int pcm_idx, 2038 unsigned char *chmap) 2039 { 2040 struct hda_codec *codec = hdac_to_hda_codec(hdac); 2041 struct hdmi_spec *spec = codec->spec; 2042 struct hdmi_spec_per_pin *per_pin = pcm_idx_to_pin(spec, pcm_idx); 2043 2044 /* chmap is already set to 0 in caller */ 2045 if (!per_pin) 2046 return; 2047 2048 memcpy(chmap, per_pin->chmap, ARRAY_SIZE(per_pin->chmap)); 2049 } 2050 2051 static void hdmi_set_chmap(struct hdac_device *hdac, int pcm_idx, 2052 unsigned char *chmap, int prepared) 2053 { 2054 struct hda_codec *codec = hdac_to_hda_codec(hdac); 2055 struct hdmi_spec *spec = codec->spec; 2056 struct hdmi_spec_per_pin *per_pin = pcm_idx_to_pin(spec, pcm_idx); 2057 2058 if (!per_pin) 2059 return; 2060 mutex_lock(&per_pin->lock); 2061 per_pin->chmap_set = true; 2062 memcpy(per_pin->chmap, chmap, ARRAY_SIZE(per_pin->chmap)); 2063 if (prepared) 2064 hdmi_setup_audio_infoframe(codec, per_pin, per_pin->non_pcm); 2065 mutex_unlock(&per_pin->lock); 2066 } 2067 2068 static bool is_hdmi_pcm_attached(struct hdac_device *hdac, int pcm_idx) 2069 { 2070 struct hda_codec *codec = hdac_to_hda_codec(hdac); 2071 struct hdmi_spec *spec = codec->spec; 2072 struct hdmi_spec_per_pin *per_pin = pcm_idx_to_pin(spec, pcm_idx); 2073 2074 return per_pin ? true:false; 2075 } 2076 2077 static int generic_hdmi_build_pcms(struct hda_codec *codec) 2078 { 2079 struct hdmi_spec *spec = codec->spec; 2080 int idx, pcm_num; 2081 2082 /* 2083 * for non-mst mode, pcm number is the same as before 2084 * for DP MST mode without extra PCM, pcm number is same 2085 * for DP MST mode with extra PCMs, pcm number is 2086 * (nid number + dev_num - 1) 2087 * dev_num is the device entry number in a pin 2088 */ 2089 2090 if (codec->mst_no_extra_pcms) 2091 pcm_num = spec->num_nids; 2092 else 2093 pcm_num = spec->num_nids + spec->dev_num - 1; 2094 2095 codec_dbg(codec, "hdmi: pcm_num set to %d\n", pcm_num); 2096 2097 for (idx = 0; idx < pcm_num; idx++) { 2098 struct hda_pcm *info; 2099 struct hda_pcm_stream *pstr; 2100 2101 info = snd_hda_codec_pcm_new(codec, "HDMI %d", idx); 2102 if (!info) 2103 return -ENOMEM; 2104 2105 spec->pcm_rec[idx].pcm = info; 2106 spec->pcm_used++; 2107 info->pcm_type = HDA_PCM_TYPE_HDMI; 2108 info->own_chmap = true; 2109 2110 pstr = &info->stream[SNDRV_PCM_STREAM_PLAYBACK]; 2111 pstr->substreams = 1; 2112 pstr->ops = generic_ops; 2113 /* pcm number is less than 16 */ 2114 if (spec->pcm_used >= 16) 2115 break; 2116 /* other pstr fields are set in open */ 2117 } 2118 2119 return 0; 2120 } 2121 2122 static void free_hdmi_jack_priv(struct snd_jack *jack) 2123 { 2124 struct hdmi_pcm *pcm = jack->private_data; 2125 2126 pcm->jack = NULL; 2127 } 2128 2129 static int generic_hdmi_build_jack(struct hda_codec *codec, int pcm_idx) 2130 { 2131 char hdmi_str[32] = "HDMI/DP"; 2132 struct hdmi_spec *spec = codec->spec; 2133 struct hdmi_spec_per_pin *per_pin = get_pin(spec, pcm_idx); 2134 struct snd_jack *jack; 2135 int pcmdev = get_pcm_rec(spec, pcm_idx)->device; 2136 int err; 2137 2138 if (pcmdev > 0) 2139 sprintf(hdmi_str + strlen(hdmi_str), ",pcm=%d", pcmdev); 2140 if (!spec->dyn_pcm_assign && 2141 !is_jack_detectable(codec, per_pin->pin_nid)) 2142 strncat(hdmi_str, " Phantom", 2143 sizeof(hdmi_str) - strlen(hdmi_str) - 1); 2144 2145 err = snd_jack_new(codec->card, hdmi_str, SND_JACK_AVOUT, &jack, 2146 true, false); 2147 if (err < 0) 2148 return err; 2149 2150 spec->pcm_rec[pcm_idx].jack = jack; 2151 jack->private_data = &spec->pcm_rec[pcm_idx]; 2152 jack->private_free = free_hdmi_jack_priv; 2153 return 0; 2154 } 2155 2156 static int generic_hdmi_build_controls(struct hda_codec *codec) 2157 { 2158 struct hdmi_spec *spec = codec->spec; 2159 int dev, err; 2160 int pin_idx, pcm_idx; 2161 2162 for (pcm_idx = 0; pcm_idx < spec->pcm_used; pcm_idx++) { 2163 if (!get_pcm_rec(spec, pcm_idx)->pcm) { 2164 /* no PCM: mark this for skipping permanently */ 2165 set_bit(pcm_idx, &spec->pcm_bitmap); 2166 continue; 2167 } 2168 2169 err = generic_hdmi_build_jack(codec, pcm_idx); 2170 if (err < 0) 2171 return err; 2172 2173 /* create the spdif for each pcm 2174 * pin will be bound when monitor is connected 2175 */ 2176 if (spec->dyn_pcm_assign) 2177 err = snd_hda_create_dig_out_ctls(codec, 2178 0, spec->cvt_nids[0], 2179 HDA_PCM_TYPE_HDMI); 2180 else { 2181 struct hdmi_spec_per_pin *per_pin = 2182 get_pin(spec, pcm_idx); 2183 err = snd_hda_create_dig_out_ctls(codec, 2184 per_pin->pin_nid, 2185 per_pin->mux_nids[0], 2186 HDA_PCM_TYPE_HDMI); 2187 } 2188 if (err < 0) 2189 return err; 2190 snd_hda_spdif_ctls_unassign(codec, pcm_idx); 2191 2192 dev = get_pcm_rec(spec, pcm_idx)->device; 2193 if (dev != SNDRV_PCM_INVALID_DEVICE) { 2194 /* add control for ELD Bytes */ 2195 err = hdmi_create_eld_ctl(codec, pcm_idx, dev); 2196 if (err < 0) 2197 return err; 2198 } 2199 } 2200 2201 for (pin_idx = 0; pin_idx < spec->num_pins; pin_idx++) { 2202 struct hdmi_spec_per_pin *per_pin = get_pin(spec, pin_idx); 2203 struct hdmi_eld *pin_eld = &per_pin->sink_eld; 2204 2205 pin_eld->eld_valid = false; 2206 hdmi_present_sense(per_pin, 0); 2207 } 2208 2209 /* add channel maps */ 2210 for (pcm_idx = 0; pcm_idx < spec->pcm_used; pcm_idx++) { 2211 struct hda_pcm *pcm; 2212 2213 pcm = get_pcm_rec(spec, pcm_idx); 2214 if (!pcm || !pcm->pcm) 2215 break; 2216 err = snd_hdac_add_chmap_ctls(pcm->pcm, pcm_idx, &spec->chmap); 2217 if (err < 0) 2218 return err; 2219 } 2220 2221 return 0; 2222 } 2223 2224 static int generic_hdmi_init_per_pins(struct hda_codec *codec) 2225 { 2226 struct hdmi_spec *spec = codec->spec; 2227 int pin_idx; 2228 2229 for (pin_idx = 0; pin_idx < spec->num_pins; pin_idx++) { 2230 struct hdmi_spec_per_pin *per_pin = get_pin(spec, pin_idx); 2231 2232 per_pin->codec = codec; 2233 mutex_init(&per_pin->lock); 2234 INIT_DELAYED_WORK(&per_pin->work, hdmi_repoll_eld); 2235 eld_proc_new(per_pin, pin_idx); 2236 } 2237 return 0; 2238 } 2239 2240 static int generic_hdmi_init(struct hda_codec *codec) 2241 { 2242 struct hdmi_spec *spec = codec->spec; 2243 int pin_idx; 2244 2245 mutex_lock(&spec->bind_lock); 2246 for (pin_idx = 0; pin_idx < spec->num_pins; pin_idx++) { 2247 struct hdmi_spec_per_pin *per_pin = get_pin(spec, pin_idx); 2248 hda_nid_t pin_nid = per_pin->pin_nid; 2249 int dev_id = per_pin->dev_id; 2250 2251 snd_hda_set_dev_select(codec, pin_nid, dev_id); 2252 hdmi_init_pin(codec, pin_nid); 2253 if (codec_has_acomp(codec)) 2254 continue; 2255 snd_hda_jack_detect_enable_callback_mst(codec, pin_nid, dev_id, 2256 jack_callback); 2257 } 2258 mutex_unlock(&spec->bind_lock); 2259 return 0; 2260 } 2261 2262 static void hdmi_array_init(struct hdmi_spec *spec, int nums) 2263 { 2264 snd_array_init(&spec->pins, sizeof(struct hdmi_spec_per_pin), nums); 2265 snd_array_init(&spec->cvts, sizeof(struct hdmi_spec_per_cvt), nums); 2266 } 2267 2268 static void hdmi_array_free(struct hdmi_spec *spec) 2269 { 2270 snd_array_free(&spec->pins); 2271 snd_array_free(&spec->cvts); 2272 } 2273 2274 static void generic_spec_free(struct hda_codec *codec) 2275 { 2276 struct hdmi_spec *spec = codec->spec; 2277 2278 if (spec) { 2279 hdmi_array_free(spec); 2280 kfree(spec); 2281 codec->spec = NULL; 2282 } 2283 codec->dp_mst = false; 2284 } 2285 2286 static void generic_hdmi_free(struct hda_codec *codec) 2287 { 2288 struct hdmi_spec *spec = codec->spec; 2289 int pin_idx, pcm_idx; 2290 2291 if (spec->acomp_registered) { 2292 snd_hdac_acomp_exit(&codec->bus->core); 2293 } else if (codec_has_acomp(codec)) { 2294 snd_hdac_acomp_register_notifier(&codec->bus->core, NULL); 2295 } 2296 codec->relaxed_resume = 0; 2297 2298 for (pin_idx = 0; pin_idx < spec->num_pins; pin_idx++) { 2299 struct hdmi_spec_per_pin *per_pin = get_pin(spec, pin_idx); 2300 cancel_delayed_work_sync(&per_pin->work); 2301 eld_proc_free(per_pin); 2302 } 2303 2304 for (pcm_idx = 0; pcm_idx < spec->pcm_used; pcm_idx++) { 2305 if (spec->pcm_rec[pcm_idx].jack == NULL) 2306 continue; 2307 if (spec->dyn_pcm_assign) 2308 snd_device_free(codec->card, 2309 spec->pcm_rec[pcm_idx].jack); 2310 else 2311 spec->pcm_rec[pcm_idx].jack = NULL; 2312 } 2313 2314 generic_spec_free(codec); 2315 } 2316 2317 #ifdef CONFIG_PM 2318 static int generic_hdmi_resume(struct hda_codec *codec) 2319 { 2320 struct hdmi_spec *spec = codec->spec; 2321 int pin_idx; 2322 2323 codec->patch_ops.init(codec); 2324 snd_hda_regmap_sync(codec); 2325 2326 for (pin_idx = 0; pin_idx < spec->num_pins; pin_idx++) { 2327 struct hdmi_spec_per_pin *per_pin = get_pin(spec, pin_idx); 2328 hdmi_present_sense(per_pin, 1); 2329 } 2330 return 0; 2331 } 2332 #endif 2333 2334 static const struct hda_codec_ops generic_hdmi_patch_ops = { 2335 .init = generic_hdmi_init, 2336 .free = generic_hdmi_free, 2337 .build_pcms = generic_hdmi_build_pcms, 2338 .build_controls = generic_hdmi_build_controls, 2339 .unsol_event = hdmi_unsol_event, 2340 #ifdef CONFIG_PM 2341 .resume = generic_hdmi_resume, 2342 #endif 2343 }; 2344 2345 static const struct hdmi_ops generic_standard_hdmi_ops = { 2346 .pin_get_eld = hdmi_pin_get_eld, 2347 .pin_setup_infoframe = hdmi_pin_setup_infoframe, 2348 .pin_hbr_setup = hdmi_pin_hbr_setup, 2349 .setup_stream = hdmi_setup_stream, 2350 }; 2351 2352 /* allocate codec->spec and assign/initialize generic parser ops */ 2353 static int alloc_generic_hdmi(struct hda_codec *codec) 2354 { 2355 struct hdmi_spec *spec; 2356 2357 spec = kzalloc(sizeof(*spec), GFP_KERNEL); 2358 if (!spec) 2359 return -ENOMEM; 2360 2361 spec->codec = codec; 2362 spec->ops = generic_standard_hdmi_ops; 2363 spec->dev_num = 1; /* initialize to 1 */ 2364 mutex_init(&spec->pcm_lock); 2365 mutex_init(&spec->bind_lock); 2366 snd_hdac_register_chmap_ops(&codec->core, &spec->chmap); 2367 2368 spec->chmap.ops.get_chmap = hdmi_get_chmap; 2369 spec->chmap.ops.set_chmap = hdmi_set_chmap; 2370 spec->chmap.ops.is_pcm_attached = is_hdmi_pcm_attached; 2371 spec->chmap.ops.get_spk_alloc = hdmi_get_spk_alloc, 2372 2373 codec->spec = spec; 2374 hdmi_array_init(spec, 4); 2375 2376 codec->patch_ops = generic_hdmi_patch_ops; 2377 2378 return 0; 2379 } 2380 2381 /* generic HDMI parser */ 2382 static int patch_generic_hdmi(struct hda_codec *codec) 2383 { 2384 int err; 2385 2386 err = alloc_generic_hdmi(codec); 2387 if (err < 0) 2388 return err; 2389 2390 err = hdmi_parse_codec(codec); 2391 if (err < 0) { 2392 generic_spec_free(codec); 2393 return err; 2394 } 2395 2396 generic_hdmi_init_per_pins(codec); 2397 return 0; 2398 } 2399 2400 /* 2401 * generic audio component binding 2402 */ 2403 2404 /* turn on / off the unsol event jack detection dynamically */ 2405 static void reprogram_jack_detect(struct hda_codec *codec, hda_nid_t nid, 2406 int dev_id, bool use_acomp) 2407 { 2408 struct hda_jack_tbl *tbl; 2409 2410 tbl = snd_hda_jack_tbl_get_mst(codec, nid, dev_id); 2411 if (tbl) { 2412 /* clear unsol even if component notifier is used, or re-enable 2413 * if notifier is cleared 2414 */ 2415 unsigned int val = use_acomp ? 0 : (AC_USRSP_EN | tbl->tag); 2416 snd_hda_codec_write_cache(codec, nid, 0, 2417 AC_VERB_SET_UNSOLICITED_ENABLE, val); 2418 } 2419 } 2420 2421 /* set up / clear component notifier dynamically */ 2422 static void generic_acomp_notifier_set(struct drm_audio_component *acomp, 2423 bool use_acomp) 2424 { 2425 struct hdmi_spec *spec; 2426 int i; 2427 2428 spec = container_of(acomp->audio_ops, struct hdmi_spec, drm_audio_ops); 2429 mutex_lock(&spec->bind_lock); 2430 spec->use_acomp_notifier = use_acomp; 2431 spec->codec->relaxed_resume = use_acomp; 2432 /* reprogram each jack detection logic depending on the notifier */ 2433 for (i = 0; i < spec->num_pins; i++) 2434 reprogram_jack_detect(spec->codec, 2435 get_pin(spec, i)->pin_nid, 2436 get_pin(spec, i)->dev_id, 2437 use_acomp); 2438 mutex_unlock(&spec->bind_lock); 2439 } 2440 2441 /* enable / disable the notifier via master bind / unbind */ 2442 static int generic_acomp_master_bind(struct device *dev, 2443 struct drm_audio_component *acomp) 2444 { 2445 generic_acomp_notifier_set(acomp, true); 2446 return 0; 2447 } 2448 2449 static void generic_acomp_master_unbind(struct device *dev, 2450 struct drm_audio_component *acomp) 2451 { 2452 generic_acomp_notifier_set(acomp, false); 2453 } 2454 2455 /* check whether both HD-audio and DRM PCI devices belong to the same bus */ 2456 static int match_bound_vga(struct device *dev, int subtype, void *data) 2457 { 2458 struct hdac_bus *bus = data; 2459 struct pci_dev *pci, *master; 2460 2461 if (!dev_is_pci(dev) || !dev_is_pci(bus->dev)) 2462 return 0; 2463 master = to_pci_dev(bus->dev); 2464 pci = to_pci_dev(dev); 2465 return master->bus == pci->bus; 2466 } 2467 2468 /* audio component notifier for AMD/Nvidia HDMI codecs */ 2469 static void generic_acomp_pin_eld_notify(void *audio_ptr, int port, int dev_id) 2470 { 2471 struct hda_codec *codec = audio_ptr; 2472 struct hdmi_spec *spec = codec->spec; 2473 hda_nid_t pin_nid = spec->port2pin(codec, port); 2474 2475 if (!pin_nid) 2476 return; 2477 if (get_wcaps_type(get_wcaps(codec, pin_nid)) != AC_WID_PIN) 2478 return; 2479 /* skip notification during system suspend (but not in runtime PM); 2480 * the state will be updated at resume 2481 */ 2482 if (snd_power_get_state(codec->card) != SNDRV_CTL_POWER_D0) 2483 return; 2484 /* ditto during suspend/resume process itself */ 2485 if (snd_hdac_is_in_pm(&codec->core)) 2486 return; 2487 2488 check_presence_and_report(codec, pin_nid, dev_id); 2489 } 2490 2491 /* set up the private drm_audio_ops from the template */ 2492 static void setup_drm_audio_ops(struct hda_codec *codec, 2493 const struct drm_audio_component_audio_ops *ops) 2494 { 2495 struct hdmi_spec *spec = codec->spec; 2496 2497 spec->drm_audio_ops.audio_ptr = codec; 2498 /* intel_audio_codec_enable() or intel_audio_codec_disable() 2499 * will call pin_eld_notify with using audio_ptr pointer 2500 * We need make sure audio_ptr is really setup 2501 */ 2502 wmb(); 2503 spec->drm_audio_ops.pin2port = ops->pin2port; 2504 spec->drm_audio_ops.pin_eld_notify = ops->pin_eld_notify; 2505 spec->drm_audio_ops.master_bind = ops->master_bind; 2506 spec->drm_audio_ops.master_unbind = ops->master_unbind; 2507 } 2508 2509 /* initialize the generic HDMI audio component */ 2510 static void generic_acomp_init(struct hda_codec *codec, 2511 const struct drm_audio_component_audio_ops *ops, 2512 int (*port2pin)(struct hda_codec *, int)) 2513 { 2514 struct hdmi_spec *spec = codec->spec; 2515 2516 if (!enable_acomp) { 2517 codec_info(codec, "audio component disabled by module option\n"); 2518 return; 2519 } 2520 2521 spec->port2pin = port2pin; 2522 setup_drm_audio_ops(codec, ops); 2523 if (!snd_hdac_acomp_init(&codec->bus->core, &spec->drm_audio_ops, 2524 match_bound_vga, 0)) { 2525 spec->acomp_registered = true; 2526 codec->bus->keep_power = 0; 2527 } 2528 } 2529 2530 /* 2531 * Intel codec parsers and helpers 2532 */ 2533 2534 #define INTEL_GET_VENDOR_VERB 0xf81 2535 #define INTEL_SET_VENDOR_VERB 0x781 2536 #define INTEL_EN_DP12 0x02 /* enable DP 1.2 features */ 2537 #define INTEL_EN_ALL_PIN_CVTS 0x01 /* enable 2nd & 3rd pins and convertors */ 2538 2539 static void intel_haswell_enable_all_pins(struct hda_codec *codec, 2540 bool update_tree) 2541 { 2542 unsigned int vendor_param; 2543 struct hdmi_spec *spec = codec->spec; 2544 2545 vendor_param = snd_hda_codec_read(codec, spec->vendor_nid, 0, 2546 INTEL_GET_VENDOR_VERB, 0); 2547 if (vendor_param == -1 || vendor_param & INTEL_EN_ALL_PIN_CVTS) 2548 return; 2549 2550 vendor_param |= INTEL_EN_ALL_PIN_CVTS; 2551 vendor_param = snd_hda_codec_read(codec, spec->vendor_nid, 0, 2552 INTEL_SET_VENDOR_VERB, vendor_param); 2553 if (vendor_param == -1) 2554 return; 2555 2556 if (update_tree) 2557 snd_hda_codec_update_widgets(codec); 2558 } 2559 2560 static void intel_haswell_fixup_enable_dp12(struct hda_codec *codec) 2561 { 2562 unsigned int vendor_param; 2563 struct hdmi_spec *spec = codec->spec; 2564 2565 vendor_param = snd_hda_codec_read(codec, spec->vendor_nid, 0, 2566 INTEL_GET_VENDOR_VERB, 0); 2567 if (vendor_param == -1 || vendor_param & INTEL_EN_DP12) 2568 return; 2569 2570 /* enable DP1.2 mode */ 2571 vendor_param |= INTEL_EN_DP12; 2572 snd_hdac_regmap_add_vendor_verb(&codec->core, INTEL_SET_VENDOR_VERB); 2573 snd_hda_codec_write_cache(codec, spec->vendor_nid, 0, 2574 INTEL_SET_VENDOR_VERB, vendor_param); 2575 } 2576 2577 /* Haswell needs to re-issue the vendor-specific verbs before turning to D0. 2578 * Otherwise you may get severe h/w communication errors. 2579 */ 2580 static void haswell_set_power_state(struct hda_codec *codec, hda_nid_t fg, 2581 unsigned int power_state) 2582 { 2583 if (power_state == AC_PWRST_D0) { 2584 intel_haswell_enable_all_pins(codec, false); 2585 intel_haswell_fixup_enable_dp12(codec); 2586 } 2587 2588 snd_hda_codec_read(codec, fg, 0, AC_VERB_SET_POWER_STATE, power_state); 2589 snd_hda_codec_set_power_to_all(codec, fg, power_state); 2590 } 2591 2592 /* There is a fixed mapping between audio pin node and display port. 2593 * on SNB, IVY, HSW, BSW, SKL, BXT, KBL: 2594 * Pin Widget 5 - PORT B (port = 1 in i915 driver) 2595 * Pin Widget 6 - PORT C (port = 2 in i915 driver) 2596 * Pin Widget 7 - PORT D (port = 3 in i915 driver) 2597 * 2598 * on VLV, ILK: 2599 * Pin Widget 4 - PORT B (port = 1 in i915 driver) 2600 * Pin Widget 5 - PORT C (port = 2 in i915 driver) 2601 * Pin Widget 6 - PORT D (port = 3 in i915 driver) 2602 */ 2603 static int intel_base_nid(struct hda_codec *codec) 2604 { 2605 switch (codec->core.vendor_id) { 2606 case 0x80860054: /* ILK */ 2607 case 0x80862804: /* ILK */ 2608 case 0x80862882: /* VLV */ 2609 return 4; 2610 default: 2611 return 5; 2612 } 2613 } 2614 2615 static int intel_pin2port(void *audio_ptr, int pin_nid) 2616 { 2617 struct hda_codec *codec = audio_ptr; 2618 struct hdmi_spec *spec = codec->spec; 2619 int base_nid, i; 2620 2621 if (!spec->port_num) { 2622 base_nid = intel_base_nid(codec); 2623 if (WARN_ON(pin_nid < base_nid || pin_nid >= base_nid + 3)) 2624 return -1; 2625 return pin_nid - base_nid + 1; 2626 } 2627 2628 /* 2629 * looking for the pin number in the mapping table and return 2630 * the index which indicate the port number 2631 */ 2632 for (i = 0; i < spec->port_num; i++) { 2633 if (pin_nid == spec->port_map[i]) 2634 return i; 2635 } 2636 2637 codec_info(codec, "Can't find the HDMI/DP port for pin %d\n", pin_nid); 2638 return -1; 2639 } 2640 2641 static int intel_port2pin(struct hda_codec *codec, int port) 2642 { 2643 struct hdmi_spec *spec = codec->spec; 2644 2645 if (!spec->port_num) { 2646 /* we assume only from port-B to port-D */ 2647 if (port < 1 || port > 3) 2648 return 0; 2649 return port + intel_base_nid(codec) - 1; 2650 } 2651 2652 if (port < 0 || port >= spec->port_num) 2653 return 0; 2654 return spec->port_map[port]; 2655 } 2656 2657 static void intel_pin_eld_notify(void *audio_ptr, int port, int pipe) 2658 { 2659 struct hda_codec *codec = audio_ptr; 2660 int pin_nid; 2661 int dev_id = pipe; 2662 2663 pin_nid = intel_port2pin(codec, port); 2664 if (!pin_nid) 2665 return; 2666 /* skip notification during system suspend (but not in runtime PM); 2667 * the state will be updated at resume 2668 */ 2669 if (snd_power_get_state(codec->card) != SNDRV_CTL_POWER_D0) 2670 return; 2671 /* ditto during suspend/resume process itself */ 2672 if (snd_hdac_is_in_pm(&codec->core)) 2673 return; 2674 2675 snd_hdac_i915_set_bclk(&codec->bus->core); 2676 check_presence_and_report(codec, pin_nid, dev_id); 2677 } 2678 2679 static const struct drm_audio_component_audio_ops intel_audio_ops = { 2680 .pin2port = intel_pin2port, 2681 .pin_eld_notify = intel_pin_eld_notify, 2682 }; 2683 2684 /* register i915 component pin_eld_notify callback */ 2685 static void register_i915_notifier(struct hda_codec *codec) 2686 { 2687 struct hdmi_spec *spec = codec->spec; 2688 2689 spec->use_acomp_notifier = true; 2690 spec->port2pin = intel_port2pin; 2691 setup_drm_audio_ops(codec, &intel_audio_ops); 2692 snd_hdac_acomp_register_notifier(&codec->bus->core, 2693 &spec->drm_audio_ops); 2694 /* no need for forcible resume for jack check thanks to notifier */ 2695 codec->relaxed_resume = 1; 2696 } 2697 2698 /* setup_stream ops override for HSW+ */ 2699 static int i915_hsw_setup_stream(struct hda_codec *codec, hda_nid_t cvt_nid, 2700 hda_nid_t pin_nid, int dev_id, u32 stream_tag, 2701 int format) 2702 { 2703 haswell_verify_D0(codec, cvt_nid, pin_nid); 2704 return hdmi_setup_stream(codec, cvt_nid, pin_nid, dev_id, 2705 stream_tag, format); 2706 } 2707 2708 /* pin_cvt_fixup ops override for HSW+ and VLV+ */ 2709 static void i915_pin_cvt_fixup(struct hda_codec *codec, 2710 struct hdmi_spec_per_pin *per_pin, 2711 hda_nid_t cvt_nid) 2712 { 2713 if (per_pin) { 2714 snd_hda_set_dev_select(codec, per_pin->pin_nid, 2715 per_pin->dev_id); 2716 intel_verify_pin_cvt_connect(codec, per_pin); 2717 intel_not_share_assigned_cvt(codec, per_pin->pin_nid, 2718 per_pin->dev_id, per_pin->mux_idx); 2719 } else { 2720 intel_not_share_assigned_cvt_nid(codec, 0, 0, cvt_nid); 2721 } 2722 } 2723 2724 /* precondition and allocation for Intel codecs */ 2725 static int alloc_intel_hdmi(struct hda_codec *codec) 2726 { 2727 int err; 2728 2729 /* requires i915 binding */ 2730 if (!codec->bus->core.audio_component) { 2731 codec_info(codec, "No i915 binding for Intel HDMI/DP codec\n"); 2732 /* set probe_id here to prevent generic fallback binding */ 2733 codec->probe_id = HDA_CODEC_ID_SKIP_PROBE; 2734 return -ENODEV; 2735 } 2736 2737 err = alloc_generic_hdmi(codec); 2738 if (err < 0) 2739 return err; 2740 /* no need to handle unsol events */ 2741 codec->patch_ops.unsol_event = NULL; 2742 return 0; 2743 } 2744 2745 /* parse and post-process for Intel codecs */ 2746 static int parse_intel_hdmi(struct hda_codec *codec) 2747 { 2748 int err, retries = 3; 2749 2750 do { 2751 err = hdmi_parse_codec(codec); 2752 } while (err < 0 && retries--); 2753 2754 if (err < 0) { 2755 generic_spec_free(codec); 2756 return err; 2757 } 2758 2759 generic_hdmi_init_per_pins(codec); 2760 register_i915_notifier(codec); 2761 return 0; 2762 } 2763 2764 /* Intel Haswell and onwards; audio component with eld notifier */ 2765 static int intel_hsw_common_init(struct hda_codec *codec, hda_nid_t vendor_nid, 2766 const int *port_map, int port_num) 2767 { 2768 struct hdmi_spec *spec; 2769 int err; 2770 2771 err = alloc_intel_hdmi(codec); 2772 if (err < 0) 2773 return err; 2774 spec = codec->spec; 2775 codec->dp_mst = true; 2776 spec->dyn_pcm_assign = true; 2777 spec->vendor_nid = vendor_nid; 2778 spec->port_map = port_map; 2779 spec->port_num = port_num; 2780 spec->intel_hsw_fixup = true; 2781 2782 intel_haswell_enable_all_pins(codec, true); 2783 intel_haswell_fixup_enable_dp12(codec); 2784 2785 codec->display_power_control = 1; 2786 2787 codec->patch_ops.set_power_state = haswell_set_power_state; 2788 codec->depop_delay = 0; 2789 codec->auto_runtime_pm = 1; 2790 2791 spec->ops.setup_stream = i915_hsw_setup_stream; 2792 spec->ops.pin_cvt_fixup = i915_pin_cvt_fixup; 2793 2794 return parse_intel_hdmi(codec); 2795 } 2796 2797 static int patch_i915_hsw_hdmi(struct hda_codec *codec) 2798 { 2799 return intel_hsw_common_init(codec, 0x08, NULL, 0); 2800 } 2801 2802 static int patch_i915_glk_hdmi(struct hda_codec *codec) 2803 { 2804 return intel_hsw_common_init(codec, 0x0b, NULL, 0); 2805 } 2806 2807 static int patch_i915_icl_hdmi(struct hda_codec *codec) 2808 { 2809 /* 2810 * pin to port mapping table where the value indicate the pin number and 2811 * the index indicate the port number. 2812 */ 2813 static const int map[] = {0x0, 0x4, 0x6, 0x8, 0xa, 0xb}; 2814 2815 return intel_hsw_common_init(codec, 0x02, map, ARRAY_SIZE(map)); 2816 } 2817 2818 static int patch_i915_tgl_hdmi(struct hda_codec *codec) 2819 { 2820 /* 2821 * pin to port mapping table where the value indicate the pin number and 2822 * the index indicate the port number. 2823 */ 2824 static const int map[] = {0x4, 0x6, 0x8, 0xa, 0xb, 0xc, 0xd, 0xe, 0xf}; 2825 2826 return intel_hsw_common_init(codec, 0x02, map, ARRAY_SIZE(map)); 2827 } 2828 2829 /* Intel Baytrail and Braswell; with eld notifier */ 2830 static int patch_i915_byt_hdmi(struct hda_codec *codec) 2831 { 2832 struct hdmi_spec *spec; 2833 int err; 2834 2835 err = alloc_intel_hdmi(codec); 2836 if (err < 0) 2837 return err; 2838 spec = codec->spec; 2839 2840 /* For Valleyview/Cherryview, only the display codec is in the display 2841 * power well and can use link_power ops to request/release the power. 2842 */ 2843 codec->display_power_control = 1; 2844 2845 codec->depop_delay = 0; 2846 codec->auto_runtime_pm = 1; 2847 2848 spec->ops.pin_cvt_fixup = i915_pin_cvt_fixup; 2849 2850 return parse_intel_hdmi(codec); 2851 } 2852 2853 /* Intel IronLake, SandyBridge and IvyBridge; with eld notifier */ 2854 static int patch_i915_cpt_hdmi(struct hda_codec *codec) 2855 { 2856 int err; 2857 2858 err = alloc_intel_hdmi(codec); 2859 if (err < 0) 2860 return err; 2861 return parse_intel_hdmi(codec); 2862 } 2863 2864 /* 2865 * Shared non-generic implementations 2866 */ 2867 2868 static int simple_playback_build_pcms(struct hda_codec *codec) 2869 { 2870 struct hdmi_spec *spec = codec->spec; 2871 struct hda_pcm *info; 2872 unsigned int chans; 2873 struct hda_pcm_stream *pstr; 2874 struct hdmi_spec_per_cvt *per_cvt; 2875 2876 per_cvt = get_cvt(spec, 0); 2877 chans = get_wcaps(codec, per_cvt->cvt_nid); 2878 chans = get_wcaps_channels(chans); 2879 2880 info = snd_hda_codec_pcm_new(codec, "HDMI 0"); 2881 if (!info) 2882 return -ENOMEM; 2883 spec->pcm_rec[0].pcm = info; 2884 info->pcm_type = HDA_PCM_TYPE_HDMI; 2885 pstr = &info->stream[SNDRV_PCM_STREAM_PLAYBACK]; 2886 *pstr = spec->pcm_playback; 2887 pstr->nid = per_cvt->cvt_nid; 2888 if (pstr->channels_max <= 2 && chans && chans <= 16) 2889 pstr->channels_max = chans; 2890 2891 return 0; 2892 } 2893 2894 /* unsolicited event for jack sensing */ 2895 static void simple_hdmi_unsol_event(struct hda_codec *codec, 2896 unsigned int res) 2897 { 2898 snd_hda_jack_set_dirty_all(codec); 2899 snd_hda_jack_report_sync(codec); 2900 } 2901 2902 /* generic_hdmi_build_jack can be used for simple_hdmi, too, 2903 * as long as spec->pins[] is set correctly 2904 */ 2905 #define simple_hdmi_build_jack generic_hdmi_build_jack 2906 2907 static int simple_playback_build_controls(struct hda_codec *codec) 2908 { 2909 struct hdmi_spec *spec = codec->spec; 2910 struct hdmi_spec_per_cvt *per_cvt; 2911 int err; 2912 2913 per_cvt = get_cvt(spec, 0); 2914 err = snd_hda_create_dig_out_ctls(codec, per_cvt->cvt_nid, 2915 per_cvt->cvt_nid, 2916 HDA_PCM_TYPE_HDMI); 2917 if (err < 0) 2918 return err; 2919 return simple_hdmi_build_jack(codec, 0); 2920 } 2921 2922 static int simple_playback_init(struct hda_codec *codec) 2923 { 2924 struct hdmi_spec *spec = codec->spec; 2925 struct hdmi_spec_per_pin *per_pin = get_pin(spec, 0); 2926 hda_nid_t pin = per_pin->pin_nid; 2927 2928 snd_hda_codec_write(codec, pin, 0, 2929 AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_OUT); 2930 /* some codecs require to unmute the pin */ 2931 if (get_wcaps(codec, pin) & AC_WCAP_OUT_AMP) 2932 snd_hda_codec_write(codec, pin, 0, AC_VERB_SET_AMP_GAIN_MUTE, 2933 AMP_OUT_UNMUTE); 2934 snd_hda_jack_detect_enable(codec, pin, per_pin->dev_id); 2935 return 0; 2936 } 2937 2938 static void simple_playback_free(struct hda_codec *codec) 2939 { 2940 struct hdmi_spec *spec = codec->spec; 2941 2942 hdmi_array_free(spec); 2943 kfree(spec); 2944 } 2945 2946 /* 2947 * Nvidia specific implementations 2948 */ 2949 2950 #define Nv_VERB_SET_Channel_Allocation 0xF79 2951 #define Nv_VERB_SET_Info_Frame_Checksum 0xF7A 2952 #define Nv_VERB_SET_Audio_Protection_On 0xF98 2953 #define Nv_VERB_SET_Audio_Protection_Off 0xF99 2954 2955 #define nvhdmi_master_con_nid_7x 0x04 2956 #define nvhdmi_master_pin_nid_7x 0x05 2957 2958 static const hda_nid_t nvhdmi_con_nids_7x[4] = { 2959 /*front, rear, clfe, rear_surr */ 2960 0x6, 0x8, 0xa, 0xc, 2961 }; 2962 2963 static const struct hda_verb nvhdmi_basic_init_7x_2ch[] = { 2964 /* set audio protect on */ 2965 { 0x1, Nv_VERB_SET_Audio_Protection_On, 0x1}, 2966 /* enable digital output on pin widget */ 2967 { 0x5, AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_OUT | 0x5 }, 2968 {} /* terminator */ 2969 }; 2970 2971 static const struct hda_verb nvhdmi_basic_init_7x_8ch[] = { 2972 /* set audio protect on */ 2973 { 0x1, Nv_VERB_SET_Audio_Protection_On, 0x1}, 2974 /* enable digital output on pin widget */ 2975 { 0x5, AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_OUT | 0x5 }, 2976 { 0x7, AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_OUT | 0x5 }, 2977 { 0x9, AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_OUT | 0x5 }, 2978 { 0xb, AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_OUT | 0x5 }, 2979 { 0xd, AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_OUT | 0x5 }, 2980 {} /* terminator */ 2981 }; 2982 2983 #ifdef LIMITED_RATE_FMT_SUPPORT 2984 /* support only the safe format and rate */ 2985 #define SUPPORTED_RATES SNDRV_PCM_RATE_48000 2986 #define SUPPORTED_MAXBPS 16 2987 #define SUPPORTED_FORMATS SNDRV_PCM_FMTBIT_S16_LE 2988 #else 2989 /* support all rates and formats */ 2990 #define SUPPORTED_RATES \ 2991 (SNDRV_PCM_RATE_32000 | SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_48000 |\ 2992 SNDRV_PCM_RATE_88200 | SNDRV_PCM_RATE_96000 | SNDRV_PCM_RATE_176400 |\ 2993 SNDRV_PCM_RATE_192000) 2994 #define SUPPORTED_MAXBPS 24 2995 #define SUPPORTED_FORMATS \ 2996 (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S32_LE) 2997 #endif 2998 2999 static int nvhdmi_7x_init_2ch(struct hda_codec *codec) 3000 { 3001 snd_hda_sequence_write(codec, nvhdmi_basic_init_7x_2ch); 3002 return 0; 3003 } 3004 3005 static int nvhdmi_7x_init_8ch(struct hda_codec *codec) 3006 { 3007 snd_hda_sequence_write(codec, nvhdmi_basic_init_7x_8ch); 3008 return 0; 3009 } 3010 3011 static const unsigned int channels_2_6_8[] = { 3012 2, 6, 8 3013 }; 3014 3015 static const unsigned int channels_2_8[] = { 3016 2, 8 3017 }; 3018 3019 static const struct snd_pcm_hw_constraint_list hw_constraints_2_6_8_channels = { 3020 .count = ARRAY_SIZE(channels_2_6_8), 3021 .list = channels_2_6_8, 3022 .mask = 0, 3023 }; 3024 3025 static const struct snd_pcm_hw_constraint_list hw_constraints_2_8_channels = { 3026 .count = ARRAY_SIZE(channels_2_8), 3027 .list = channels_2_8, 3028 .mask = 0, 3029 }; 3030 3031 static int simple_playback_pcm_open(struct hda_pcm_stream *hinfo, 3032 struct hda_codec *codec, 3033 struct snd_pcm_substream *substream) 3034 { 3035 struct hdmi_spec *spec = codec->spec; 3036 const struct snd_pcm_hw_constraint_list *hw_constraints_channels = NULL; 3037 3038 switch (codec->preset->vendor_id) { 3039 case 0x10de0002: 3040 case 0x10de0003: 3041 case 0x10de0005: 3042 case 0x10de0006: 3043 hw_constraints_channels = &hw_constraints_2_8_channels; 3044 break; 3045 case 0x10de0007: 3046 hw_constraints_channels = &hw_constraints_2_6_8_channels; 3047 break; 3048 default: 3049 break; 3050 } 3051 3052 if (hw_constraints_channels != NULL) { 3053 snd_pcm_hw_constraint_list(substream->runtime, 0, 3054 SNDRV_PCM_HW_PARAM_CHANNELS, 3055 hw_constraints_channels); 3056 } else { 3057 snd_pcm_hw_constraint_step(substream->runtime, 0, 3058 SNDRV_PCM_HW_PARAM_CHANNELS, 2); 3059 } 3060 3061 return snd_hda_multi_out_dig_open(codec, &spec->multiout); 3062 } 3063 3064 static int simple_playback_pcm_close(struct hda_pcm_stream *hinfo, 3065 struct hda_codec *codec, 3066 struct snd_pcm_substream *substream) 3067 { 3068 struct hdmi_spec *spec = codec->spec; 3069 return snd_hda_multi_out_dig_close(codec, &spec->multiout); 3070 } 3071 3072 static int simple_playback_pcm_prepare(struct hda_pcm_stream *hinfo, 3073 struct hda_codec *codec, 3074 unsigned int stream_tag, 3075 unsigned int format, 3076 struct snd_pcm_substream *substream) 3077 { 3078 struct hdmi_spec *spec = codec->spec; 3079 return snd_hda_multi_out_dig_prepare(codec, &spec->multiout, 3080 stream_tag, format, substream); 3081 } 3082 3083 static const struct hda_pcm_stream simple_pcm_playback = { 3084 .substreams = 1, 3085 .channels_min = 2, 3086 .channels_max = 2, 3087 .ops = { 3088 .open = simple_playback_pcm_open, 3089 .close = simple_playback_pcm_close, 3090 .prepare = simple_playback_pcm_prepare 3091 }, 3092 }; 3093 3094 static const struct hda_codec_ops simple_hdmi_patch_ops = { 3095 .build_controls = simple_playback_build_controls, 3096 .build_pcms = simple_playback_build_pcms, 3097 .init = simple_playback_init, 3098 .free = simple_playback_free, 3099 .unsol_event = simple_hdmi_unsol_event, 3100 }; 3101 3102 static int patch_simple_hdmi(struct hda_codec *codec, 3103 hda_nid_t cvt_nid, hda_nid_t pin_nid) 3104 { 3105 struct hdmi_spec *spec; 3106 struct hdmi_spec_per_cvt *per_cvt; 3107 struct hdmi_spec_per_pin *per_pin; 3108 3109 spec = kzalloc(sizeof(*spec), GFP_KERNEL); 3110 if (!spec) 3111 return -ENOMEM; 3112 3113 spec->codec = codec; 3114 codec->spec = spec; 3115 hdmi_array_init(spec, 1); 3116 3117 spec->multiout.num_dacs = 0; /* no analog */ 3118 spec->multiout.max_channels = 2; 3119 spec->multiout.dig_out_nid = cvt_nid; 3120 spec->num_cvts = 1; 3121 spec->num_pins = 1; 3122 per_pin = snd_array_new(&spec->pins); 3123 per_cvt = snd_array_new(&spec->cvts); 3124 if (!per_pin || !per_cvt) { 3125 simple_playback_free(codec); 3126 return -ENOMEM; 3127 } 3128 per_cvt->cvt_nid = cvt_nid; 3129 per_pin->pin_nid = pin_nid; 3130 spec->pcm_playback = simple_pcm_playback; 3131 3132 codec->patch_ops = simple_hdmi_patch_ops; 3133 3134 return 0; 3135 } 3136 3137 static void nvhdmi_8ch_7x_set_info_frame_parameters(struct hda_codec *codec, 3138 int channels) 3139 { 3140 unsigned int chanmask; 3141 int chan = channels ? (channels - 1) : 1; 3142 3143 switch (channels) { 3144 default: 3145 case 0: 3146 case 2: 3147 chanmask = 0x00; 3148 break; 3149 case 4: 3150 chanmask = 0x08; 3151 break; 3152 case 6: 3153 chanmask = 0x0b; 3154 break; 3155 case 8: 3156 chanmask = 0x13; 3157 break; 3158 } 3159 3160 /* Set the audio infoframe channel allocation and checksum fields. The 3161 * channel count is computed implicitly by the hardware. */ 3162 snd_hda_codec_write(codec, 0x1, 0, 3163 Nv_VERB_SET_Channel_Allocation, chanmask); 3164 3165 snd_hda_codec_write(codec, 0x1, 0, 3166 Nv_VERB_SET_Info_Frame_Checksum, 3167 (0x71 - chan - chanmask)); 3168 } 3169 3170 static int nvhdmi_8ch_7x_pcm_close(struct hda_pcm_stream *hinfo, 3171 struct hda_codec *codec, 3172 struct snd_pcm_substream *substream) 3173 { 3174 struct hdmi_spec *spec = codec->spec; 3175 int i; 3176 3177 snd_hda_codec_write(codec, nvhdmi_master_con_nid_7x, 3178 0, AC_VERB_SET_CHANNEL_STREAMID, 0); 3179 for (i = 0; i < 4; i++) { 3180 /* set the stream id */ 3181 snd_hda_codec_write(codec, nvhdmi_con_nids_7x[i], 0, 3182 AC_VERB_SET_CHANNEL_STREAMID, 0); 3183 /* set the stream format */ 3184 snd_hda_codec_write(codec, nvhdmi_con_nids_7x[i], 0, 3185 AC_VERB_SET_STREAM_FORMAT, 0); 3186 } 3187 3188 /* The audio hardware sends a channel count of 0x7 (8ch) when all the 3189 * streams are disabled. */ 3190 nvhdmi_8ch_7x_set_info_frame_parameters(codec, 8); 3191 3192 return snd_hda_multi_out_dig_close(codec, &spec->multiout); 3193 } 3194 3195 static int nvhdmi_8ch_7x_pcm_prepare(struct hda_pcm_stream *hinfo, 3196 struct hda_codec *codec, 3197 unsigned int stream_tag, 3198 unsigned int format, 3199 struct snd_pcm_substream *substream) 3200 { 3201 int chs; 3202 unsigned int dataDCC2, channel_id; 3203 int i; 3204 struct hdmi_spec *spec = codec->spec; 3205 struct hda_spdif_out *spdif; 3206 struct hdmi_spec_per_cvt *per_cvt; 3207 3208 mutex_lock(&codec->spdif_mutex); 3209 per_cvt = get_cvt(spec, 0); 3210 spdif = snd_hda_spdif_out_of_nid(codec, per_cvt->cvt_nid); 3211 3212 chs = substream->runtime->channels; 3213 3214 dataDCC2 = 0x2; 3215 3216 /* turn off SPDIF once; otherwise the IEC958 bits won't be updated */ 3217 if (codec->spdif_status_reset && (spdif->ctls & AC_DIG1_ENABLE)) 3218 snd_hda_codec_write(codec, 3219 nvhdmi_master_con_nid_7x, 3220 0, 3221 AC_VERB_SET_DIGI_CONVERT_1, 3222 spdif->ctls & ~AC_DIG1_ENABLE & 0xff); 3223 3224 /* set the stream id */ 3225 snd_hda_codec_write(codec, nvhdmi_master_con_nid_7x, 0, 3226 AC_VERB_SET_CHANNEL_STREAMID, (stream_tag << 4) | 0x0); 3227 3228 /* set the stream format */ 3229 snd_hda_codec_write(codec, nvhdmi_master_con_nid_7x, 0, 3230 AC_VERB_SET_STREAM_FORMAT, format); 3231 3232 /* turn on again (if needed) */ 3233 /* enable and set the channel status audio/data flag */ 3234 if (codec->spdif_status_reset && (spdif->ctls & AC_DIG1_ENABLE)) { 3235 snd_hda_codec_write(codec, 3236 nvhdmi_master_con_nid_7x, 3237 0, 3238 AC_VERB_SET_DIGI_CONVERT_1, 3239 spdif->ctls & 0xff); 3240 snd_hda_codec_write(codec, 3241 nvhdmi_master_con_nid_7x, 3242 0, 3243 AC_VERB_SET_DIGI_CONVERT_2, dataDCC2); 3244 } 3245 3246 for (i = 0; i < 4; i++) { 3247 if (chs == 2) 3248 channel_id = 0; 3249 else 3250 channel_id = i * 2; 3251 3252 /* turn off SPDIF once; 3253 *otherwise the IEC958 bits won't be updated 3254 */ 3255 if (codec->spdif_status_reset && 3256 (spdif->ctls & AC_DIG1_ENABLE)) 3257 snd_hda_codec_write(codec, 3258 nvhdmi_con_nids_7x[i], 3259 0, 3260 AC_VERB_SET_DIGI_CONVERT_1, 3261 spdif->ctls & ~AC_DIG1_ENABLE & 0xff); 3262 /* set the stream id */ 3263 snd_hda_codec_write(codec, 3264 nvhdmi_con_nids_7x[i], 3265 0, 3266 AC_VERB_SET_CHANNEL_STREAMID, 3267 (stream_tag << 4) | channel_id); 3268 /* set the stream format */ 3269 snd_hda_codec_write(codec, 3270 nvhdmi_con_nids_7x[i], 3271 0, 3272 AC_VERB_SET_STREAM_FORMAT, 3273 format); 3274 /* turn on again (if needed) */ 3275 /* enable and set the channel status audio/data flag */ 3276 if (codec->spdif_status_reset && 3277 (spdif->ctls & AC_DIG1_ENABLE)) { 3278 snd_hda_codec_write(codec, 3279 nvhdmi_con_nids_7x[i], 3280 0, 3281 AC_VERB_SET_DIGI_CONVERT_1, 3282 spdif->ctls & 0xff); 3283 snd_hda_codec_write(codec, 3284 nvhdmi_con_nids_7x[i], 3285 0, 3286 AC_VERB_SET_DIGI_CONVERT_2, dataDCC2); 3287 } 3288 } 3289 3290 nvhdmi_8ch_7x_set_info_frame_parameters(codec, chs); 3291 3292 mutex_unlock(&codec->spdif_mutex); 3293 return 0; 3294 } 3295 3296 static const struct hda_pcm_stream nvhdmi_pcm_playback_8ch_7x = { 3297 .substreams = 1, 3298 .channels_min = 2, 3299 .channels_max = 8, 3300 .nid = nvhdmi_master_con_nid_7x, 3301 .rates = SUPPORTED_RATES, 3302 .maxbps = SUPPORTED_MAXBPS, 3303 .formats = SUPPORTED_FORMATS, 3304 .ops = { 3305 .open = simple_playback_pcm_open, 3306 .close = nvhdmi_8ch_7x_pcm_close, 3307 .prepare = nvhdmi_8ch_7x_pcm_prepare 3308 }, 3309 }; 3310 3311 static int patch_nvhdmi_2ch(struct hda_codec *codec) 3312 { 3313 struct hdmi_spec *spec; 3314 int err = patch_simple_hdmi(codec, nvhdmi_master_con_nid_7x, 3315 nvhdmi_master_pin_nid_7x); 3316 if (err < 0) 3317 return err; 3318 3319 codec->patch_ops.init = nvhdmi_7x_init_2ch; 3320 /* override the PCM rates, etc, as the codec doesn't give full list */ 3321 spec = codec->spec; 3322 spec->pcm_playback.rates = SUPPORTED_RATES; 3323 spec->pcm_playback.maxbps = SUPPORTED_MAXBPS; 3324 spec->pcm_playback.formats = SUPPORTED_FORMATS; 3325 return 0; 3326 } 3327 3328 static int nvhdmi_7x_8ch_build_pcms(struct hda_codec *codec) 3329 { 3330 struct hdmi_spec *spec = codec->spec; 3331 int err = simple_playback_build_pcms(codec); 3332 if (!err) { 3333 struct hda_pcm *info = get_pcm_rec(spec, 0); 3334 info->own_chmap = true; 3335 } 3336 return err; 3337 } 3338 3339 static int nvhdmi_7x_8ch_build_controls(struct hda_codec *codec) 3340 { 3341 struct hdmi_spec *spec = codec->spec; 3342 struct hda_pcm *info; 3343 struct snd_pcm_chmap *chmap; 3344 int err; 3345 3346 err = simple_playback_build_controls(codec); 3347 if (err < 0) 3348 return err; 3349 3350 /* add channel maps */ 3351 info = get_pcm_rec(spec, 0); 3352 err = snd_pcm_add_chmap_ctls(info->pcm, 3353 SNDRV_PCM_STREAM_PLAYBACK, 3354 snd_pcm_alt_chmaps, 8, 0, &chmap); 3355 if (err < 0) 3356 return err; 3357 switch (codec->preset->vendor_id) { 3358 case 0x10de0002: 3359 case 0x10de0003: 3360 case 0x10de0005: 3361 case 0x10de0006: 3362 chmap->channel_mask = (1U << 2) | (1U << 8); 3363 break; 3364 case 0x10de0007: 3365 chmap->channel_mask = (1U << 2) | (1U << 6) | (1U << 8); 3366 } 3367 return 0; 3368 } 3369 3370 static int patch_nvhdmi_8ch_7x(struct hda_codec *codec) 3371 { 3372 struct hdmi_spec *spec; 3373 int err = patch_nvhdmi_2ch(codec); 3374 if (err < 0) 3375 return err; 3376 spec = codec->spec; 3377 spec->multiout.max_channels = 8; 3378 spec->pcm_playback = nvhdmi_pcm_playback_8ch_7x; 3379 codec->patch_ops.init = nvhdmi_7x_init_8ch; 3380 codec->patch_ops.build_pcms = nvhdmi_7x_8ch_build_pcms; 3381 codec->patch_ops.build_controls = nvhdmi_7x_8ch_build_controls; 3382 3383 /* Initialize the audio infoframe channel mask and checksum to something 3384 * valid */ 3385 nvhdmi_8ch_7x_set_info_frame_parameters(codec, 8); 3386 3387 return 0; 3388 } 3389 3390 /* 3391 * NVIDIA codecs ignore ASP mapping for 2ch - confirmed on: 3392 * - 0x10de0015 3393 * - 0x10de0040 3394 */ 3395 static int nvhdmi_chmap_cea_alloc_validate_get_type(struct hdac_chmap *chmap, 3396 struct hdac_cea_channel_speaker_allocation *cap, int channels) 3397 { 3398 if (cap->ca_index == 0x00 && channels == 2) 3399 return SNDRV_CTL_TLVT_CHMAP_FIXED; 3400 3401 /* If the speaker allocation matches the channel count, it is OK. */ 3402 if (cap->channels != channels) 3403 return -1; 3404 3405 /* all channels are remappable freely */ 3406 return SNDRV_CTL_TLVT_CHMAP_VAR; 3407 } 3408 3409 static int nvhdmi_chmap_validate(struct hdac_chmap *chmap, 3410 int ca, int chs, unsigned char *map) 3411 { 3412 if (ca == 0x00 && (map[0] != SNDRV_CHMAP_FL || map[1] != SNDRV_CHMAP_FR)) 3413 return -EINVAL; 3414 3415 return 0; 3416 } 3417 3418 /* map from pin NID to port; port is 0-based */ 3419 /* for Nvidia: assume widget NID starting from 4, with step 1 (4, 5, 6, ...) */ 3420 static int nvhdmi_pin2port(void *audio_ptr, int pin_nid) 3421 { 3422 return pin_nid - 4; 3423 } 3424 3425 /* reverse-map from port to pin NID: see above */ 3426 static int nvhdmi_port2pin(struct hda_codec *codec, int port) 3427 { 3428 return port + 4; 3429 } 3430 3431 static const struct drm_audio_component_audio_ops nvhdmi_audio_ops = { 3432 .pin2port = nvhdmi_pin2port, 3433 .pin_eld_notify = generic_acomp_pin_eld_notify, 3434 .master_bind = generic_acomp_master_bind, 3435 .master_unbind = generic_acomp_master_unbind, 3436 }; 3437 3438 static int patch_nvhdmi(struct hda_codec *codec) 3439 { 3440 struct hdmi_spec *spec; 3441 int err; 3442 3443 err = alloc_generic_hdmi(codec); 3444 if (err < 0) 3445 return err; 3446 codec->dp_mst = true; 3447 3448 spec = codec->spec; 3449 spec->dyn_pcm_assign = true; 3450 3451 err = hdmi_parse_codec(codec); 3452 if (err < 0) { 3453 generic_spec_free(codec); 3454 return err; 3455 } 3456 3457 generic_hdmi_init_per_pins(codec); 3458 3459 spec->dyn_pin_out = true; 3460 3461 spec->chmap.ops.chmap_cea_alloc_validate_get_type = 3462 nvhdmi_chmap_cea_alloc_validate_get_type; 3463 spec->chmap.ops.chmap_validate = nvhdmi_chmap_validate; 3464 3465 codec->link_down_at_suspend = 1; 3466 3467 generic_acomp_init(codec, &nvhdmi_audio_ops, nvhdmi_port2pin); 3468 3469 return 0; 3470 } 3471 3472 static int patch_nvhdmi_legacy(struct hda_codec *codec) 3473 { 3474 struct hdmi_spec *spec; 3475 int err; 3476 3477 err = patch_generic_hdmi(codec); 3478 if (err) 3479 return err; 3480 3481 spec = codec->spec; 3482 spec->dyn_pin_out = true; 3483 3484 spec->chmap.ops.chmap_cea_alloc_validate_get_type = 3485 nvhdmi_chmap_cea_alloc_validate_get_type; 3486 spec->chmap.ops.chmap_validate = nvhdmi_chmap_validate; 3487 3488 codec->link_down_at_suspend = 1; 3489 3490 return 0; 3491 } 3492 3493 /* 3494 * The HDA codec on NVIDIA Tegra contains two scratch registers that are 3495 * accessed using vendor-defined verbs. These registers can be used for 3496 * interoperability between the HDA and HDMI drivers. 3497 */ 3498 3499 /* Audio Function Group node */ 3500 #define NVIDIA_AFG_NID 0x01 3501 3502 /* 3503 * The SCRATCH0 register is used to notify the HDMI codec of changes in audio 3504 * format. On Tegra, bit 31 is used as a trigger that causes an interrupt to 3505 * be raised in the HDMI codec. The remainder of the bits is arbitrary. This 3506 * implementation stores the HDA format (see AC_FMT_*) in bits [15:0] and an 3507 * additional bit (at position 30) to signal the validity of the format. 3508 * 3509 * | 31 | 30 | 29 16 | 15 0 | 3510 * +---------+-------+--------+--------+ 3511 * | TRIGGER | VALID | UNUSED | FORMAT | 3512 * +-----------------------------------| 3513 * 3514 * Note that for the trigger bit to take effect it needs to change value 3515 * (i.e. it needs to be toggled). 3516 */ 3517 #define NVIDIA_GET_SCRATCH0 0xfa6 3518 #define NVIDIA_SET_SCRATCH0_BYTE0 0xfa7 3519 #define NVIDIA_SET_SCRATCH0_BYTE1 0xfa8 3520 #define NVIDIA_SET_SCRATCH0_BYTE2 0xfa9 3521 #define NVIDIA_SET_SCRATCH0_BYTE3 0xfaa 3522 #define NVIDIA_SCRATCH_TRIGGER (1 << 7) 3523 #define NVIDIA_SCRATCH_VALID (1 << 6) 3524 3525 #define NVIDIA_GET_SCRATCH1 0xfab 3526 #define NVIDIA_SET_SCRATCH1_BYTE0 0xfac 3527 #define NVIDIA_SET_SCRATCH1_BYTE1 0xfad 3528 #define NVIDIA_SET_SCRATCH1_BYTE2 0xfae 3529 #define NVIDIA_SET_SCRATCH1_BYTE3 0xfaf 3530 3531 /* 3532 * The format parameter is the HDA audio format (see AC_FMT_*). If set to 0, 3533 * the format is invalidated so that the HDMI codec can be disabled. 3534 */ 3535 static void tegra_hdmi_set_format(struct hda_codec *codec, unsigned int format) 3536 { 3537 unsigned int value; 3538 3539 /* bits [31:30] contain the trigger and valid bits */ 3540 value = snd_hda_codec_read(codec, NVIDIA_AFG_NID, 0, 3541 NVIDIA_GET_SCRATCH0, 0); 3542 value = (value >> 24) & 0xff; 3543 3544 /* bits [15:0] are used to store the HDA format */ 3545 snd_hda_codec_write(codec, NVIDIA_AFG_NID, 0, 3546 NVIDIA_SET_SCRATCH0_BYTE0, 3547 (format >> 0) & 0xff); 3548 snd_hda_codec_write(codec, NVIDIA_AFG_NID, 0, 3549 NVIDIA_SET_SCRATCH0_BYTE1, 3550 (format >> 8) & 0xff); 3551 3552 /* bits [16:24] are unused */ 3553 snd_hda_codec_write(codec, NVIDIA_AFG_NID, 0, 3554 NVIDIA_SET_SCRATCH0_BYTE2, 0); 3555 3556 /* 3557 * Bit 30 signals that the data is valid and hence that HDMI audio can 3558 * be enabled. 3559 */ 3560 if (format == 0) 3561 value &= ~NVIDIA_SCRATCH_VALID; 3562 else 3563 value |= NVIDIA_SCRATCH_VALID; 3564 3565 /* 3566 * Whenever the trigger bit is toggled, an interrupt is raised in the 3567 * HDMI codec. The HDMI driver will use that as trigger to update its 3568 * configuration. 3569 */ 3570 value ^= NVIDIA_SCRATCH_TRIGGER; 3571 3572 snd_hda_codec_write(codec, NVIDIA_AFG_NID, 0, 3573 NVIDIA_SET_SCRATCH0_BYTE3, value); 3574 } 3575 3576 static int tegra_hdmi_pcm_prepare(struct hda_pcm_stream *hinfo, 3577 struct hda_codec *codec, 3578 unsigned int stream_tag, 3579 unsigned int format, 3580 struct snd_pcm_substream *substream) 3581 { 3582 int err; 3583 3584 err = generic_hdmi_playback_pcm_prepare(hinfo, codec, stream_tag, 3585 format, substream); 3586 if (err < 0) 3587 return err; 3588 3589 /* notify the HDMI codec of the format change */ 3590 tegra_hdmi_set_format(codec, format); 3591 3592 return 0; 3593 } 3594 3595 static int tegra_hdmi_pcm_cleanup(struct hda_pcm_stream *hinfo, 3596 struct hda_codec *codec, 3597 struct snd_pcm_substream *substream) 3598 { 3599 /* invalidate the format in the HDMI codec */ 3600 tegra_hdmi_set_format(codec, 0); 3601 3602 return generic_hdmi_playback_pcm_cleanup(hinfo, codec, substream); 3603 } 3604 3605 static struct hda_pcm *hda_find_pcm_by_type(struct hda_codec *codec, int type) 3606 { 3607 struct hdmi_spec *spec = codec->spec; 3608 unsigned int i; 3609 3610 for (i = 0; i < spec->num_pins; i++) { 3611 struct hda_pcm *pcm = get_pcm_rec(spec, i); 3612 3613 if (pcm->pcm_type == type) 3614 return pcm; 3615 } 3616 3617 return NULL; 3618 } 3619 3620 static int tegra_hdmi_build_pcms(struct hda_codec *codec) 3621 { 3622 struct hda_pcm_stream *stream; 3623 struct hda_pcm *pcm; 3624 int err; 3625 3626 err = generic_hdmi_build_pcms(codec); 3627 if (err < 0) 3628 return err; 3629 3630 pcm = hda_find_pcm_by_type(codec, HDA_PCM_TYPE_HDMI); 3631 if (!pcm) 3632 return -ENODEV; 3633 3634 /* 3635 * Override ->prepare() and ->cleanup() operations to notify the HDMI 3636 * codec about format changes. 3637 */ 3638 stream = &pcm->stream[SNDRV_PCM_STREAM_PLAYBACK]; 3639 stream->ops.prepare = tegra_hdmi_pcm_prepare; 3640 stream->ops.cleanup = tegra_hdmi_pcm_cleanup; 3641 3642 return 0; 3643 } 3644 3645 static int patch_tegra_hdmi(struct hda_codec *codec) 3646 { 3647 int err; 3648 3649 err = patch_generic_hdmi(codec); 3650 if (err) 3651 return err; 3652 3653 codec->patch_ops.build_pcms = tegra_hdmi_build_pcms; 3654 3655 return 0; 3656 } 3657 3658 /* 3659 * ATI/AMD-specific implementations 3660 */ 3661 3662 #define is_amdhdmi_rev3_or_later(codec) \ 3663 ((codec)->core.vendor_id == 0x1002aa01 && \ 3664 ((codec)->core.revision_id & 0xff00) >= 0x0300) 3665 #define has_amd_full_remap_support(codec) is_amdhdmi_rev3_or_later(codec) 3666 3667 /* ATI/AMD specific HDA pin verbs, see the AMD HDA Verbs specification */ 3668 #define ATI_VERB_SET_CHANNEL_ALLOCATION 0x771 3669 #define ATI_VERB_SET_DOWNMIX_INFO 0x772 3670 #define ATI_VERB_SET_MULTICHANNEL_01 0x777 3671 #define ATI_VERB_SET_MULTICHANNEL_23 0x778 3672 #define ATI_VERB_SET_MULTICHANNEL_45 0x779 3673 #define ATI_VERB_SET_MULTICHANNEL_67 0x77a 3674 #define ATI_VERB_SET_HBR_CONTROL 0x77c 3675 #define ATI_VERB_SET_MULTICHANNEL_1 0x785 3676 #define ATI_VERB_SET_MULTICHANNEL_3 0x786 3677 #define ATI_VERB_SET_MULTICHANNEL_5 0x787 3678 #define ATI_VERB_SET_MULTICHANNEL_7 0x788 3679 #define ATI_VERB_SET_MULTICHANNEL_MODE 0x789 3680 #define ATI_VERB_GET_CHANNEL_ALLOCATION 0xf71 3681 #define ATI_VERB_GET_DOWNMIX_INFO 0xf72 3682 #define ATI_VERB_GET_MULTICHANNEL_01 0xf77 3683 #define ATI_VERB_GET_MULTICHANNEL_23 0xf78 3684 #define ATI_VERB_GET_MULTICHANNEL_45 0xf79 3685 #define ATI_VERB_GET_MULTICHANNEL_67 0xf7a 3686 #define ATI_VERB_GET_HBR_CONTROL 0xf7c 3687 #define ATI_VERB_GET_MULTICHANNEL_1 0xf85 3688 #define ATI_VERB_GET_MULTICHANNEL_3 0xf86 3689 #define ATI_VERB_GET_MULTICHANNEL_5 0xf87 3690 #define ATI_VERB_GET_MULTICHANNEL_7 0xf88 3691 #define ATI_VERB_GET_MULTICHANNEL_MODE 0xf89 3692 3693 /* AMD specific HDA cvt verbs */ 3694 #define ATI_VERB_SET_RAMP_RATE 0x770 3695 #define ATI_VERB_GET_RAMP_RATE 0xf70 3696 3697 #define ATI_OUT_ENABLE 0x1 3698 3699 #define ATI_MULTICHANNEL_MODE_PAIRED 0 3700 #define ATI_MULTICHANNEL_MODE_SINGLE 1 3701 3702 #define ATI_HBR_CAPABLE 0x01 3703 #define ATI_HBR_ENABLE 0x10 3704 3705 static int atihdmi_pin_get_eld(struct hda_codec *codec, hda_nid_t nid, 3706 int dev_id, unsigned char *buf, int *eld_size) 3707 { 3708 WARN_ON(dev_id != 0); 3709 /* call hda_eld.c ATI/AMD-specific function */ 3710 return snd_hdmi_get_eld_ati(codec, nid, buf, eld_size, 3711 is_amdhdmi_rev3_or_later(codec)); 3712 } 3713 3714 static void atihdmi_pin_setup_infoframe(struct hda_codec *codec, 3715 hda_nid_t pin_nid, int dev_id, int ca, 3716 int active_channels, int conn_type) 3717 { 3718 WARN_ON(dev_id != 0); 3719 snd_hda_codec_write(codec, pin_nid, 0, ATI_VERB_SET_CHANNEL_ALLOCATION, ca); 3720 } 3721 3722 static int atihdmi_paired_swap_fc_lfe(int pos) 3723 { 3724 /* 3725 * ATI/AMD have automatic FC/LFE swap built-in 3726 * when in pairwise mapping mode. 3727 */ 3728 3729 switch (pos) { 3730 /* see channel_allocations[].speakers[] */ 3731 case 2: return 3; 3732 case 3: return 2; 3733 default: break; 3734 } 3735 3736 return pos; 3737 } 3738 3739 static int atihdmi_paired_chmap_validate(struct hdac_chmap *chmap, 3740 int ca, int chs, unsigned char *map) 3741 { 3742 struct hdac_cea_channel_speaker_allocation *cap; 3743 int i, j; 3744 3745 /* check that only channel pairs need to be remapped on old pre-rev3 ATI/AMD */ 3746 3747 cap = snd_hdac_get_ch_alloc_from_ca(ca); 3748 for (i = 0; i < chs; ++i) { 3749 int mask = snd_hdac_chmap_to_spk_mask(map[i]); 3750 bool ok = false; 3751 bool companion_ok = false; 3752 3753 if (!mask) 3754 continue; 3755 3756 for (j = 0 + i % 2; j < 8; j += 2) { 3757 int chan_idx = 7 - atihdmi_paired_swap_fc_lfe(j); 3758 if (cap->speakers[chan_idx] == mask) { 3759 /* channel is in a supported position */ 3760 ok = true; 3761 3762 if (i % 2 == 0 && i + 1 < chs) { 3763 /* even channel, check the odd companion */ 3764 int comp_chan_idx = 7 - atihdmi_paired_swap_fc_lfe(j + 1); 3765 int comp_mask_req = snd_hdac_chmap_to_spk_mask(map[i+1]); 3766 int comp_mask_act = cap->speakers[comp_chan_idx]; 3767 3768 if (comp_mask_req == comp_mask_act) 3769 companion_ok = true; 3770 else 3771 return -EINVAL; 3772 } 3773 break; 3774 } 3775 } 3776 3777 if (!ok) 3778 return -EINVAL; 3779 3780 if (companion_ok) 3781 i++; /* companion channel already checked */ 3782 } 3783 3784 return 0; 3785 } 3786 3787 static int atihdmi_pin_set_slot_channel(struct hdac_device *hdac, 3788 hda_nid_t pin_nid, int hdmi_slot, int stream_channel) 3789 { 3790 struct hda_codec *codec = hdac_to_hda_codec(hdac); 3791 int verb; 3792 int ati_channel_setup = 0; 3793 3794 if (hdmi_slot > 7) 3795 return -EINVAL; 3796 3797 if (!has_amd_full_remap_support(codec)) { 3798 hdmi_slot = atihdmi_paired_swap_fc_lfe(hdmi_slot); 3799 3800 /* In case this is an odd slot but without stream channel, do not 3801 * disable the slot since the corresponding even slot could have a 3802 * channel. In case neither have a channel, the slot pair will be 3803 * disabled when this function is called for the even slot. */ 3804 if (hdmi_slot % 2 != 0 && stream_channel == 0xf) 3805 return 0; 3806 3807 hdmi_slot -= hdmi_slot % 2; 3808 3809 if (stream_channel != 0xf) 3810 stream_channel -= stream_channel % 2; 3811 } 3812 3813 verb = ATI_VERB_SET_MULTICHANNEL_01 + hdmi_slot/2 + (hdmi_slot % 2) * 0x00e; 3814 3815 /* ati_channel_setup format: [7..4] = stream_channel_id, [1] = mute, [0] = enable */ 3816 3817 if (stream_channel != 0xf) 3818 ati_channel_setup = (stream_channel << 4) | ATI_OUT_ENABLE; 3819 3820 return snd_hda_codec_write(codec, pin_nid, 0, verb, ati_channel_setup); 3821 } 3822 3823 static int atihdmi_pin_get_slot_channel(struct hdac_device *hdac, 3824 hda_nid_t pin_nid, int asp_slot) 3825 { 3826 struct hda_codec *codec = hdac_to_hda_codec(hdac); 3827 bool was_odd = false; 3828 int ati_asp_slot = asp_slot; 3829 int verb; 3830 int ati_channel_setup; 3831 3832 if (asp_slot > 7) 3833 return -EINVAL; 3834 3835 if (!has_amd_full_remap_support(codec)) { 3836 ati_asp_slot = atihdmi_paired_swap_fc_lfe(asp_slot); 3837 if (ati_asp_slot % 2 != 0) { 3838 ati_asp_slot -= 1; 3839 was_odd = true; 3840 } 3841 } 3842 3843 verb = ATI_VERB_GET_MULTICHANNEL_01 + ati_asp_slot/2 + (ati_asp_slot % 2) * 0x00e; 3844 3845 ati_channel_setup = snd_hda_codec_read(codec, pin_nid, 0, verb, 0); 3846 3847 if (!(ati_channel_setup & ATI_OUT_ENABLE)) 3848 return 0xf; 3849 3850 return ((ati_channel_setup & 0xf0) >> 4) + !!was_odd; 3851 } 3852 3853 static int atihdmi_paired_chmap_cea_alloc_validate_get_type( 3854 struct hdac_chmap *chmap, 3855 struct hdac_cea_channel_speaker_allocation *cap, 3856 int channels) 3857 { 3858 int c; 3859 3860 /* 3861 * Pre-rev3 ATI/AMD codecs operate in a paired channel mode, so 3862 * we need to take that into account (a single channel may take 2 3863 * channel slots if we need to carry a silent channel next to it). 3864 * On Rev3+ AMD codecs this function is not used. 3865 */ 3866 int chanpairs = 0; 3867 3868 /* We only produce even-numbered channel count TLVs */ 3869 if ((channels % 2) != 0) 3870 return -1; 3871 3872 for (c = 0; c < 7; c += 2) { 3873 if (cap->speakers[c] || cap->speakers[c+1]) 3874 chanpairs++; 3875 } 3876 3877 if (chanpairs * 2 != channels) 3878 return -1; 3879 3880 return SNDRV_CTL_TLVT_CHMAP_PAIRED; 3881 } 3882 3883 static void atihdmi_paired_cea_alloc_to_tlv_chmap(struct hdac_chmap *hchmap, 3884 struct hdac_cea_channel_speaker_allocation *cap, 3885 unsigned int *chmap, int channels) 3886 { 3887 /* produce paired maps for pre-rev3 ATI/AMD codecs */ 3888 int count = 0; 3889 int c; 3890 3891 for (c = 7; c >= 0; c--) { 3892 int chan = 7 - atihdmi_paired_swap_fc_lfe(7 - c); 3893 int spk = cap->speakers[chan]; 3894 if (!spk) { 3895 /* add N/A channel if the companion channel is occupied */ 3896 if (cap->speakers[chan + (chan % 2 ? -1 : 1)]) 3897 chmap[count++] = SNDRV_CHMAP_NA; 3898 3899 continue; 3900 } 3901 3902 chmap[count++] = snd_hdac_spk_to_chmap(spk); 3903 } 3904 3905 WARN_ON(count != channels); 3906 } 3907 3908 static int atihdmi_pin_hbr_setup(struct hda_codec *codec, hda_nid_t pin_nid, 3909 int dev_id, bool hbr) 3910 { 3911 int hbr_ctl, hbr_ctl_new; 3912 3913 WARN_ON(dev_id != 0); 3914 3915 hbr_ctl = snd_hda_codec_read(codec, pin_nid, 0, ATI_VERB_GET_HBR_CONTROL, 0); 3916 if (hbr_ctl >= 0 && (hbr_ctl & ATI_HBR_CAPABLE)) { 3917 if (hbr) 3918 hbr_ctl_new = hbr_ctl | ATI_HBR_ENABLE; 3919 else 3920 hbr_ctl_new = hbr_ctl & ~ATI_HBR_ENABLE; 3921 3922 codec_dbg(codec, 3923 "atihdmi_pin_hbr_setup: NID=0x%x, %shbr-ctl=0x%x\n", 3924 pin_nid, 3925 hbr_ctl == hbr_ctl_new ? "" : "new-", 3926 hbr_ctl_new); 3927 3928 if (hbr_ctl != hbr_ctl_new) 3929 snd_hda_codec_write(codec, pin_nid, 0, 3930 ATI_VERB_SET_HBR_CONTROL, 3931 hbr_ctl_new); 3932 3933 } else if (hbr) 3934 return -EINVAL; 3935 3936 return 0; 3937 } 3938 3939 static int atihdmi_setup_stream(struct hda_codec *codec, hda_nid_t cvt_nid, 3940 hda_nid_t pin_nid, int dev_id, 3941 u32 stream_tag, int format) 3942 { 3943 if (is_amdhdmi_rev3_or_later(codec)) { 3944 int ramp_rate = 180; /* default as per AMD spec */ 3945 /* disable ramp-up/down for non-pcm as per AMD spec */ 3946 if (format & AC_FMT_TYPE_NON_PCM) 3947 ramp_rate = 0; 3948 3949 snd_hda_codec_write(codec, cvt_nid, 0, ATI_VERB_SET_RAMP_RATE, ramp_rate); 3950 } 3951 3952 return hdmi_setup_stream(codec, cvt_nid, pin_nid, dev_id, 3953 stream_tag, format); 3954 } 3955 3956 3957 static int atihdmi_init(struct hda_codec *codec) 3958 { 3959 struct hdmi_spec *spec = codec->spec; 3960 int pin_idx, err; 3961 3962 err = generic_hdmi_init(codec); 3963 3964 if (err) 3965 return err; 3966 3967 for (pin_idx = 0; pin_idx < spec->num_pins; pin_idx++) { 3968 struct hdmi_spec_per_pin *per_pin = get_pin(spec, pin_idx); 3969 3970 /* make sure downmix information in infoframe is zero */ 3971 snd_hda_codec_write(codec, per_pin->pin_nid, 0, ATI_VERB_SET_DOWNMIX_INFO, 0); 3972 3973 /* enable channel-wise remap mode if supported */ 3974 if (has_amd_full_remap_support(codec)) 3975 snd_hda_codec_write(codec, per_pin->pin_nid, 0, 3976 ATI_VERB_SET_MULTICHANNEL_MODE, 3977 ATI_MULTICHANNEL_MODE_SINGLE); 3978 } 3979 codec->auto_runtime_pm = 1; 3980 3981 return 0; 3982 } 3983 3984 /* map from pin NID to port; port is 0-based */ 3985 /* for AMD: assume widget NID starting from 3, with step 2 (3, 5, 7, ...) */ 3986 static int atihdmi_pin2port(void *audio_ptr, int pin_nid) 3987 { 3988 return pin_nid / 2 - 1; 3989 } 3990 3991 /* reverse-map from port to pin NID: see above */ 3992 static int atihdmi_port2pin(struct hda_codec *codec, int port) 3993 { 3994 return port * 2 + 3; 3995 } 3996 3997 static const struct drm_audio_component_audio_ops atihdmi_audio_ops = { 3998 .pin2port = atihdmi_pin2port, 3999 .pin_eld_notify = generic_acomp_pin_eld_notify, 4000 .master_bind = generic_acomp_master_bind, 4001 .master_unbind = generic_acomp_master_unbind, 4002 }; 4003 4004 static int patch_atihdmi(struct hda_codec *codec) 4005 { 4006 struct hdmi_spec *spec; 4007 struct hdmi_spec_per_cvt *per_cvt; 4008 int err, cvt_idx; 4009 4010 err = patch_generic_hdmi(codec); 4011 4012 if (err) 4013 return err; 4014 4015 codec->patch_ops.init = atihdmi_init; 4016 4017 spec = codec->spec; 4018 4019 spec->ops.pin_get_eld = atihdmi_pin_get_eld; 4020 spec->ops.pin_setup_infoframe = atihdmi_pin_setup_infoframe; 4021 spec->ops.pin_hbr_setup = atihdmi_pin_hbr_setup; 4022 spec->ops.setup_stream = atihdmi_setup_stream; 4023 4024 spec->chmap.ops.pin_get_slot_channel = atihdmi_pin_get_slot_channel; 4025 spec->chmap.ops.pin_set_slot_channel = atihdmi_pin_set_slot_channel; 4026 4027 if (!has_amd_full_remap_support(codec)) { 4028 /* override to ATI/AMD-specific versions with pairwise mapping */ 4029 spec->chmap.ops.chmap_cea_alloc_validate_get_type = 4030 atihdmi_paired_chmap_cea_alloc_validate_get_type; 4031 spec->chmap.ops.cea_alloc_to_tlv_chmap = 4032 atihdmi_paired_cea_alloc_to_tlv_chmap; 4033 spec->chmap.ops.chmap_validate = atihdmi_paired_chmap_validate; 4034 } 4035 4036 /* ATI/AMD converters do not advertise all of their capabilities */ 4037 for (cvt_idx = 0; cvt_idx < spec->num_cvts; cvt_idx++) { 4038 per_cvt = get_cvt(spec, cvt_idx); 4039 per_cvt->channels_max = max(per_cvt->channels_max, 8u); 4040 per_cvt->rates |= SUPPORTED_RATES; 4041 per_cvt->formats |= SUPPORTED_FORMATS; 4042 per_cvt->maxbps = max(per_cvt->maxbps, 24u); 4043 } 4044 4045 spec->chmap.channels_max = max(spec->chmap.channels_max, 8u); 4046 4047 /* AMD GPUs have neither EPSS nor CLKSTOP bits, hence preventing 4048 * the link-down as is. Tell the core to allow it. 4049 */ 4050 codec->link_down_at_suspend = 1; 4051 4052 generic_acomp_init(codec, &atihdmi_audio_ops, atihdmi_port2pin); 4053 4054 return 0; 4055 } 4056 4057 /* VIA HDMI Implementation */ 4058 #define VIAHDMI_CVT_NID 0x02 /* audio converter1 */ 4059 #define VIAHDMI_PIN_NID 0x03 /* HDMI output pin1 */ 4060 4061 static int patch_via_hdmi(struct hda_codec *codec) 4062 { 4063 return patch_simple_hdmi(codec, VIAHDMI_CVT_NID, VIAHDMI_PIN_NID); 4064 } 4065 4066 /* 4067 * patch entries 4068 */ 4069 static const struct hda_device_id snd_hda_id_hdmi[] = { 4070 HDA_CODEC_ENTRY(0x1002793c, "RS600 HDMI", patch_atihdmi), 4071 HDA_CODEC_ENTRY(0x10027919, "RS600 HDMI", patch_atihdmi), 4072 HDA_CODEC_ENTRY(0x1002791a, "RS690/780 HDMI", patch_atihdmi), 4073 HDA_CODEC_ENTRY(0x1002aa01, "R6xx HDMI", patch_atihdmi), 4074 HDA_CODEC_ENTRY(0x10951390, "SiI1390 HDMI", patch_generic_hdmi), 4075 HDA_CODEC_ENTRY(0x10951392, "SiI1392 HDMI", patch_generic_hdmi), 4076 HDA_CODEC_ENTRY(0x17e80047, "Chrontel HDMI", patch_generic_hdmi), 4077 HDA_CODEC_ENTRY(0x10de0001, "MCP73 HDMI", patch_nvhdmi_2ch), 4078 HDA_CODEC_ENTRY(0x10de0002, "MCP77/78 HDMI", patch_nvhdmi_8ch_7x), 4079 HDA_CODEC_ENTRY(0x10de0003, "MCP77/78 HDMI", patch_nvhdmi_8ch_7x), 4080 HDA_CODEC_ENTRY(0x10de0004, "GPU 04 HDMI", patch_nvhdmi_8ch_7x), 4081 HDA_CODEC_ENTRY(0x10de0005, "MCP77/78 HDMI", patch_nvhdmi_8ch_7x), 4082 HDA_CODEC_ENTRY(0x10de0006, "MCP77/78 HDMI", patch_nvhdmi_8ch_7x), 4083 HDA_CODEC_ENTRY(0x10de0007, "MCP79/7A HDMI", patch_nvhdmi_8ch_7x), 4084 HDA_CODEC_ENTRY(0x10de0008, "GPU 08 HDMI/DP", patch_nvhdmi_legacy), 4085 HDA_CODEC_ENTRY(0x10de0009, "GPU 09 HDMI/DP", patch_nvhdmi_legacy), 4086 HDA_CODEC_ENTRY(0x10de000a, "GPU 0a HDMI/DP", patch_nvhdmi_legacy), 4087 HDA_CODEC_ENTRY(0x10de000b, "GPU 0b HDMI/DP", patch_nvhdmi_legacy), 4088 HDA_CODEC_ENTRY(0x10de000c, "MCP89 HDMI", patch_nvhdmi_legacy), 4089 HDA_CODEC_ENTRY(0x10de000d, "GPU 0d HDMI/DP", patch_nvhdmi_legacy), 4090 HDA_CODEC_ENTRY(0x10de0010, "GPU 10 HDMI/DP", patch_nvhdmi_legacy), 4091 HDA_CODEC_ENTRY(0x10de0011, "GPU 11 HDMI/DP", patch_nvhdmi_legacy), 4092 HDA_CODEC_ENTRY(0x10de0012, "GPU 12 HDMI/DP", patch_nvhdmi_legacy), 4093 HDA_CODEC_ENTRY(0x10de0013, "GPU 13 HDMI/DP", patch_nvhdmi_legacy), 4094 HDA_CODEC_ENTRY(0x10de0014, "GPU 14 HDMI/DP", patch_nvhdmi_legacy), 4095 HDA_CODEC_ENTRY(0x10de0015, "GPU 15 HDMI/DP", patch_nvhdmi_legacy), 4096 HDA_CODEC_ENTRY(0x10de0016, "GPU 16 HDMI/DP", patch_nvhdmi_legacy), 4097 /* 17 is known to be absent */ 4098 HDA_CODEC_ENTRY(0x10de0018, "GPU 18 HDMI/DP", patch_nvhdmi_legacy), 4099 HDA_CODEC_ENTRY(0x10de0019, "GPU 19 HDMI/DP", patch_nvhdmi_legacy), 4100 HDA_CODEC_ENTRY(0x10de001a, "GPU 1a HDMI/DP", patch_nvhdmi_legacy), 4101 HDA_CODEC_ENTRY(0x10de001b, "GPU 1b HDMI/DP", patch_nvhdmi_legacy), 4102 HDA_CODEC_ENTRY(0x10de001c, "GPU 1c HDMI/DP", patch_nvhdmi_legacy), 4103 HDA_CODEC_ENTRY(0x10de0020, "Tegra30 HDMI", patch_tegra_hdmi), 4104 HDA_CODEC_ENTRY(0x10de0022, "Tegra114 HDMI", patch_tegra_hdmi), 4105 HDA_CODEC_ENTRY(0x10de0028, "Tegra124 HDMI", patch_tegra_hdmi), 4106 HDA_CODEC_ENTRY(0x10de0029, "Tegra210 HDMI/DP", patch_tegra_hdmi), 4107 HDA_CODEC_ENTRY(0x10de002d, "Tegra186 HDMI/DP0", patch_tegra_hdmi), 4108 HDA_CODEC_ENTRY(0x10de002e, "Tegra186 HDMI/DP1", patch_tegra_hdmi), 4109 HDA_CODEC_ENTRY(0x10de002f, "Tegra194 HDMI/DP2", patch_tegra_hdmi), 4110 HDA_CODEC_ENTRY(0x10de0030, "Tegra194 HDMI/DP3", patch_tegra_hdmi), 4111 HDA_CODEC_ENTRY(0x10de0040, "GPU 40 HDMI/DP", patch_nvhdmi), 4112 HDA_CODEC_ENTRY(0x10de0041, "GPU 41 HDMI/DP", patch_nvhdmi), 4113 HDA_CODEC_ENTRY(0x10de0042, "GPU 42 HDMI/DP", patch_nvhdmi), 4114 HDA_CODEC_ENTRY(0x10de0043, "GPU 43 HDMI/DP", patch_nvhdmi), 4115 HDA_CODEC_ENTRY(0x10de0044, "GPU 44 HDMI/DP", patch_nvhdmi), 4116 HDA_CODEC_ENTRY(0x10de0045, "GPU 45 HDMI/DP", patch_nvhdmi), 4117 HDA_CODEC_ENTRY(0x10de0050, "GPU 50 HDMI/DP", patch_nvhdmi), 4118 HDA_CODEC_ENTRY(0x10de0051, "GPU 51 HDMI/DP", patch_nvhdmi), 4119 HDA_CODEC_ENTRY(0x10de0052, "GPU 52 HDMI/DP", patch_nvhdmi), 4120 HDA_CODEC_ENTRY(0x10de0060, "GPU 60 HDMI/DP", patch_nvhdmi), 4121 HDA_CODEC_ENTRY(0x10de0061, "GPU 61 HDMI/DP", patch_nvhdmi), 4122 HDA_CODEC_ENTRY(0x10de0062, "GPU 62 HDMI/DP", patch_nvhdmi), 4123 HDA_CODEC_ENTRY(0x10de0067, "MCP67 HDMI", patch_nvhdmi_2ch), 4124 HDA_CODEC_ENTRY(0x10de0070, "GPU 70 HDMI/DP", patch_nvhdmi), 4125 HDA_CODEC_ENTRY(0x10de0071, "GPU 71 HDMI/DP", patch_nvhdmi), 4126 HDA_CODEC_ENTRY(0x10de0072, "GPU 72 HDMI/DP", patch_nvhdmi), 4127 HDA_CODEC_ENTRY(0x10de0073, "GPU 73 HDMI/DP", patch_nvhdmi), 4128 HDA_CODEC_ENTRY(0x10de0074, "GPU 74 HDMI/DP", patch_nvhdmi), 4129 HDA_CODEC_ENTRY(0x10de0076, "GPU 76 HDMI/DP", patch_nvhdmi), 4130 HDA_CODEC_ENTRY(0x10de007b, "GPU 7b HDMI/DP", patch_nvhdmi), 4131 HDA_CODEC_ENTRY(0x10de007c, "GPU 7c HDMI/DP", patch_nvhdmi), 4132 HDA_CODEC_ENTRY(0x10de007d, "GPU 7d HDMI/DP", patch_nvhdmi), 4133 HDA_CODEC_ENTRY(0x10de007e, "GPU 7e HDMI/DP", patch_nvhdmi), 4134 HDA_CODEC_ENTRY(0x10de0080, "GPU 80 HDMI/DP", patch_nvhdmi), 4135 HDA_CODEC_ENTRY(0x10de0081, "GPU 81 HDMI/DP", patch_nvhdmi), 4136 HDA_CODEC_ENTRY(0x10de0082, "GPU 82 HDMI/DP", patch_nvhdmi), 4137 HDA_CODEC_ENTRY(0x10de0083, "GPU 83 HDMI/DP", patch_nvhdmi), 4138 HDA_CODEC_ENTRY(0x10de0084, "GPU 84 HDMI/DP", patch_nvhdmi), 4139 HDA_CODEC_ENTRY(0x10de0090, "GPU 90 HDMI/DP", patch_nvhdmi), 4140 HDA_CODEC_ENTRY(0x10de0091, "GPU 91 HDMI/DP", patch_nvhdmi), 4141 HDA_CODEC_ENTRY(0x10de0092, "GPU 92 HDMI/DP", patch_nvhdmi), 4142 HDA_CODEC_ENTRY(0x10de0093, "GPU 93 HDMI/DP", patch_nvhdmi), 4143 HDA_CODEC_ENTRY(0x10de0094, "GPU 94 HDMI/DP", patch_nvhdmi), 4144 HDA_CODEC_ENTRY(0x10de0095, "GPU 95 HDMI/DP", patch_nvhdmi), 4145 HDA_CODEC_ENTRY(0x10de0097, "GPU 97 HDMI/DP", patch_nvhdmi), 4146 HDA_CODEC_ENTRY(0x10de0098, "GPU 98 HDMI/DP", patch_nvhdmi), 4147 HDA_CODEC_ENTRY(0x10de0099, "GPU 99 HDMI/DP", patch_nvhdmi), 4148 HDA_CODEC_ENTRY(0x10de8001, "MCP73 HDMI", patch_nvhdmi_2ch), 4149 HDA_CODEC_ENTRY(0x10de8067, "MCP67/68 HDMI", patch_nvhdmi_2ch), 4150 HDA_CODEC_ENTRY(0x11069f80, "VX900 HDMI/DP", patch_via_hdmi), 4151 HDA_CODEC_ENTRY(0x11069f81, "VX900 HDMI/DP", patch_via_hdmi), 4152 HDA_CODEC_ENTRY(0x11069f84, "VX11 HDMI/DP", patch_generic_hdmi), 4153 HDA_CODEC_ENTRY(0x11069f85, "VX11 HDMI/DP", patch_generic_hdmi), 4154 HDA_CODEC_ENTRY(0x80860054, "IbexPeak HDMI", patch_i915_cpt_hdmi), 4155 HDA_CODEC_ENTRY(0x80862800, "Geminilake HDMI", patch_i915_glk_hdmi), 4156 HDA_CODEC_ENTRY(0x80862801, "Bearlake HDMI", patch_generic_hdmi), 4157 HDA_CODEC_ENTRY(0x80862802, "Cantiga HDMI", patch_generic_hdmi), 4158 HDA_CODEC_ENTRY(0x80862803, "Eaglelake HDMI", patch_generic_hdmi), 4159 HDA_CODEC_ENTRY(0x80862804, "IbexPeak HDMI", patch_i915_cpt_hdmi), 4160 HDA_CODEC_ENTRY(0x80862805, "CougarPoint HDMI", patch_i915_cpt_hdmi), 4161 HDA_CODEC_ENTRY(0x80862806, "PantherPoint HDMI", patch_i915_cpt_hdmi), 4162 HDA_CODEC_ENTRY(0x80862807, "Haswell HDMI", patch_i915_hsw_hdmi), 4163 HDA_CODEC_ENTRY(0x80862808, "Broadwell HDMI", patch_i915_hsw_hdmi), 4164 HDA_CODEC_ENTRY(0x80862809, "Skylake HDMI", patch_i915_hsw_hdmi), 4165 HDA_CODEC_ENTRY(0x8086280a, "Broxton HDMI", patch_i915_hsw_hdmi), 4166 HDA_CODEC_ENTRY(0x8086280b, "Kabylake HDMI", patch_i915_hsw_hdmi), 4167 HDA_CODEC_ENTRY(0x8086280c, "Cannonlake HDMI", patch_i915_glk_hdmi), 4168 HDA_CODEC_ENTRY(0x8086280d, "Geminilake HDMI", patch_i915_glk_hdmi), 4169 HDA_CODEC_ENTRY(0x8086280f, "Icelake HDMI", patch_i915_icl_hdmi), 4170 HDA_CODEC_ENTRY(0x80862812, "Tigerlake HDMI", patch_i915_tgl_hdmi), 4171 HDA_CODEC_ENTRY(0x8086281a, "Jasperlake HDMI", patch_i915_icl_hdmi), 4172 HDA_CODEC_ENTRY(0x8086281b, "Elkhartlake HDMI", patch_i915_icl_hdmi), 4173 HDA_CODEC_ENTRY(0x80862880, "CedarTrail HDMI", patch_generic_hdmi), 4174 HDA_CODEC_ENTRY(0x80862882, "Valleyview2 HDMI", patch_i915_byt_hdmi), 4175 HDA_CODEC_ENTRY(0x80862883, "Braswell HDMI", patch_i915_byt_hdmi), 4176 HDA_CODEC_ENTRY(0x808629fb, "Crestline HDMI", patch_generic_hdmi), 4177 /* special ID for generic HDMI */ 4178 HDA_CODEC_ENTRY(HDA_CODEC_ID_GENERIC_HDMI, "Generic HDMI", patch_generic_hdmi), 4179 {} /* terminator */ 4180 }; 4181 MODULE_DEVICE_TABLE(hdaudio, snd_hda_id_hdmi); 4182 4183 MODULE_LICENSE("GPL"); 4184 MODULE_DESCRIPTION("HDMI HD-audio codec"); 4185 MODULE_ALIAS("snd-hda-codec-intelhdmi"); 4186 MODULE_ALIAS("snd-hda-codec-nvhdmi"); 4187 MODULE_ALIAS("snd-hda-codec-atihdmi"); 4188 4189 static struct hda_codec_driver hdmi_driver = { 4190 .id = snd_hda_id_hdmi, 4191 }; 4192 4193 module_hda_codec_driver(hdmi_driver); 4194