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 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 static bool enable_silent_stream = 46 IS_ENABLED(CONFIG_SND_HDA_INTEL_HDMI_SILENT_STREAM); 47 module_param(enable_silent_stream, bool, 0644); 48 MODULE_PARM_DESC(enable_silent_stream, "Enable Silent Stream for HDMI devices"); 49 50 static bool enable_all_pins; 51 module_param(enable_all_pins, bool, 0444); 52 MODULE_PARM_DESC(enable_all_pins, "Forcibly enable all pins"); 53 54 struct hdmi_spec_per_cvt { 55 hda_nid_t cvt_nid; 56 bool assigned; /* the stream has been assigned */ 57 bool silent_stream; /* silent stream activated */ 58 unsigned int channels_min; 59 unsigned int channels_max; 60 u32 rates; 61 u64 formats; 62 unsigned int maxbps; 63 }; 64 65 /* max. connections to a widget */ 66 #define HDA_MAX_CONNECTIONS 32 67 68 struct hdmi_spec_per_pin { 69 hda_nid_t pin_nid; 70 int dev_id; 71 /* pin idx, different device entries on the same pin use the same idx */ 72 int pin_nid_idx; 73 int num_mux_nids; 74 hda_nid_t mux_nids[HDA_MAX_CONNECTIONS]; 75 int mux_idx; 76 hda_nid_t cvt_nid; 77 78 struct hda_codec *codec; 79 struct hdmi_eld sink_eld; 80 struct mutex lock; 81 struct delayed_work work; 82 struct hdmi_pcm *pcm; /* pointer to spec->pcm_rec[n] dynamically*/ 83 int pcm_idx; /* which pcm is attached. -1 means no pcm is attached */ 84 int prev_pcm_idx; /* previously assigned pcm index */ 85 int repoll_count; 86 bool setup; /* the stream has been set up by prepare callback */ 87 bool silent_stream; 88 int channels; /* current number of channels */ 89 bool non_pcm; 90 bool chmap_set; /* channel-map override by ALSA API? */ 91 unsigned char chmap[8]; /* ALSA API channel-map */ 92 #ifdef CONFIG_SND_PROC_FS 93 struct snd_info_entry *proc_entry; 94 #endif 95 }; 96 97 /* operations used by generic code that can be overridden by patches */ 98 struct hdmi_ops { 99 int (*pin_get_eld)(struct hda_codec *codec, hda_nid_t pin_nid, 100 int dev_id, unsigned char *buf, int *eld_size); 101 102 void (*pin_setup_infoframe)(struct hda_codec *codec, hda_nid_t pin_nid, 103 int dev_id, 104 int ca, int active_channels, int conn_type); 105 106 /* enable/disable HBR (HD passthrough) */ 107 int (*pin_hbr_setup)(struct hda_codec *codec, hda_nid_t pin_nid, 108 int dev_id, bool hbr); 109 110 int (*setup_stream)(struct hda_codec *codec, hda_nid_t cvt_nid, 111 hda_nid_t pin_nid, int dev_id, u32 stream_tag, 112 int format); 113 114 void (*pin_cvt_fixup)(struct hda_codec *codec, 115 struct hdmi_spec_per_pin *per_pin, 116 hda_nid_t cvt_nid); 117 }; 118 119 struct hdmi_pcm { 120 struct hda_pcm *pcm; 121 struct snd_jack *jack; 122 struct snd_kcontrol *eld_ctl; 123 }; 124 125 enum { 126 SILENT_STREAM_OFF = 0, 127 SILENT_STREAM_KAE, /* use standard HDA Keep-Alive */ 128 SILENT_STREAM_I915, /* Intel i915 extension */ 129 }; 130 131 struct hdmi_spec { 132 struct hda_codec *codec; 133 int num_cvts; 134 struct snd_array cvts; /* struct hdmi_spec_per_cvt */ 135 hda_nid_t cvt_nids[4]; /* only for haswell fix */ 136 137 /* 138 * num_pins is the number of virtual pins 139 * for example, there are 3 pins, and each pin 140 * has 4 device entries, then the num_pins is 12 141 */ 142 int num_pins; 143 /* 144 * num_nids is the number of real pins 145 * In the above example, num_nids is 3 146 */ 147 int num_nids; 148 /* 149 * dev_num is the number of device entries 150 * on each pin. 151 * In the above example, dev_num is 4 152 */ 153 int dev_num; 154 struct snd_array pins; /* struct hdmi_spec_per_pin */ 155 struct hdmi_pcm pcm_rec[8]; 156 struct mutex pcm_lock; 157 struct mutex bind_lock; /* for audio component binding */ 158 /* pcm_bitmap means which pcms have been assigned to pins*/ 159 unsigned long pcm_bitmap; 160 int pcm_used; /* counter of pcm_rec[] */ 161 /* bitmap shows whether the pcm is opened in user space 162 * bit 0 means the first playback PCM (PCM3); 163 * bit 1 means the second playback PCM, and so on. 164 */ 165 unsigned long pcm_in_use; 166 167 struct hdmi_eld temp_eld; 168 struct hdmi_ops ops; 169 170 bool dyn_pin_out; 171 bool static_pcm_mapping; 172 /* hdmi interrupt trigger control flag for Nvidia codec */ 173 bool hdmi_intr_trig_ctrl; 174 bool nv_dp_workaround; /* workaround DP audio infoframe for Nvidia */ 175 176 bool intel_hsw_fixup; /* apply Intel platform-specific fixups */ 177 /* 178 * Non-generic VIA/NVIDIA specific 179 */ 180 struct hda_multi_out multiout; 181 struct hda_pcm_stream pcm_playback; 182 183 bool use_acomp_notifier; /* use eld_notify callback for hotplug */ 184 bool acomp_registered; /* audio component registered in this driver */ 185 bool force_connect; /* force connectivity */ 186 struct drm_audio_component_audio_ops drm_audio_ops; 187 int (*port2pin)(struct hda_codec *, int); /* reverse port/pin mapping */ 188 189 struct hdac_chmap chmap; 190 hda_nid_t vendor_nid; 191 const int *port_map; 192 int port_num; 193 int silent_stream_type; 194 }; 195 196 #ifdef CONFIG_SND_HDA_COMPONENT 197 static inline bool codec_has_acomp(struct hda_codec *codec) 198 { 199 struct hdmi_spec *spec = codec->spec; 200 return spec->use_acomp_notifier; 201 } 202 #else 203 #define codec_has_acomp(codec) false 204 #endif 205 206 struct hdmi_audio_infoframe { 207 u8 type; /* 0x84 */ 208 u8 ver; /* 0x01 */ 209 u8 len; /* 0x0a */ 210 211 u8 checksum; 212 213 u8 CC02_CT47; /* CC in bits 0:2, CT in 4:7 */ 214 u8 SS01_SF24; 215 u8 CXT04; 216 u8 CA; 217 u8 LFEPBL01_LSV36_DM_INH7; 218 }; 219 220 struct dp_audio_infoframe { 221 u8 type; /* 0x84 */ 222 u8 len; /* 0x1b */ 223 u8 ver; /* 0x11 << 2 */ 224 225 u8 CC02_CT47; /* match with HDMI infoframe from this on */ 226 u8 SS01_SF24; 227 u8 CXT04; 228 u8 CA; 229 u8 LFEPBL01_LSV36_DM_INH7; 230 }; 231 232 union audio_infoframe { 233 struct hdmi_audio_infoframe hdmi; 234 struct dp_audio_infoframe dp; 235 DECLARE_FLEX_ARRAY(u8, bytes); 236 }; 237 238 /* 239 * HDMI routines 240 */ 241 242 #define get_pin(spec, idx) \ 243 ((struct hdmi_spec_per_pin *)snd_array_elem(&spec->pins, idx)) 244 #define get_cvt(spec, idx) \ 245 ((struct hdmi_spec_per_cvt *)snd_array_elem(&spec->cvts, idx)) 246 /* obtain hdmi_pcm object assigned to idx */ 247 #define get_hdmi_pcm(spec, idx) (&(spec)->pcm_rec[idx]) 248 /* obtain hda_pcm object assigned to idx */ 249 #define get_pcm_rec(spec, idx) (get_hdmi_pcm(spec, idx)->pcm) 250 251 static int pin_id_to_pin_index(struct hda_codec *codec, 252 hda_nid_t pin_nid, int dev_id) 253 { 254 struct hdmi_spec *spec = codec->spec; 255 int pin_idx; 256 struct hdmi_spec_per_pin *per_pin; 257 258 /* 259 * (dev_id == -1) means it is NON-MST pin 260 * return the first virtual pin on this port 261 */ 262 if (dev_id == -1) 263 dev_id = 0; 264 265 for (pin_idx = 0; pin_idx < spec->num_pins; pin_idx++) { 266 per_pin = get_pin(spec, pin_idx); 267 if ((per_pin->pin_nid == pin_nid) && 268 (per_pin->dev_id == dev_id)) 269 return pin_idx; 270 } 271 272 codec_warn(codec, "HDMI: pin NID 0x%x not registered\n", pin_nid); 273 return -EINVAL; 274 } 275 276 static int hinfo_to_pcm_index(struct hda_codec *codec, 277 struct hda_pcm_stream *hinfo) 278 { 279 struct hdmi_spec *spec = codec->spec; 280 int pcm_idx; 281 282 for (pcm_idx = 0; pcm_idx < spec->pcm_used; pcm_idx++) 283 if (get_pcm_rec(spec, pcm_idx)->stream == hinfo) 284 return pcm_idx; 285 286 codec_warn(codec, "HDMI: hinfo %p not tied to a PCM\n", hinfo); 287 return -EINVAL; 288 } 289 290 static int hinfo_to_pin_index(struct hda_codec *codec, 291 struct hda_pcm_stream *hinfo) 292 { 293 struct hdmi_spec *spec = codec->spec; 294 struct hdmi_spec_per_pin *per_pin; 295 int pin_idx; 296 297 for (pin_idx = 0; pin_idx < spec->num_pins; pin_idx++) { 298 per_pin = get_pin(spec, pin_idx); 299 if (per_pin->pcm && 300 per_pin->pcm->pcm->stream == hinfo) 301 return pin_idx; 302 } 303 304 codec_dbg(codec, "HDMI: hinfo %p (pcm %d) not registered\n", hinfo, 305 hinfo_to_pcm_index(codec, hinfo)); 306 return -EINVAL; 307 } 308 309 static struct hdmi_spec_per_pin *pcm_idx_to_pin(struct hdmi_spec *spec, 310 int pcm_idx) 311 { 312 int i; 313 struct hdmi_spec_per_pin *per_pin; 314 315 for (i = 0; i < spec->num_pins; i++) { 316 per_pin = get_pin(spec, i); 317 if (per_pin->pcm_idx == pcm_idx) 318 return per_pin; 319 } 320 return NULL; 321 } 322 323 static int cvt_nid_to_cvt_index(struct hda_codec *codec, hda_nid_t cvt_nid) 324 { 325 struct hdmi_spec *spec = codec->spec; 326 int cvt_idx; 327 328 for (cvt_idx = 0; cvt_idx < spec->num_cvts; cvt_idx++) 329 if (get_cvt(spec, cvt_idx)->cvt_nid == cvt_nid) 330 return cvt_idx; 331 332 codec_warn(codec, "HDMI: cvt NID 0x%x not registered\n", cvt_nid); 333 return -EINVAL; 334 } 335 336 static int hdmi_eld_ctl_info(struct snd_kcontrol *kcontrol, 337 struct snd_ctl_elem_info *uinfo) 338 { 339 struct hda_codec *codec = snd_kcontrol_chip(kcontrol); 340 struct hdmi_spec *spec = codec->spec; 341 struct hdmi_spec_per_pin *per_pin; 342 struct hdmi_eld *eld; 343 int pcm_idx; 344 345 uinfo->type = SNDRV_CTL_ELEM_TYPE_BYTES; 346 347 pcm_idx = kcontrol->private_value; 348 mutex_lock(&spec->pcm_lock); 349 per_pin = pcm_idx_to_pin(spec, pcm_idx); 350 if (!per_pin) { 351 /* no pin is bound to the pcm */ 352 uinfo->count = 0; 353 goto unlock; 354 } 355 eld = &per_pin->sink_eld; 356 uinfo->count = eld->eld_valid ? eld->eld_size : 0; 357 358 unlock: 359 mutex_unlock(&spec->pcm_lock); 360 return 0; 361 } 362 363 static int hdmi_eld_ctl_get(struct snd_kcontrol *kcontrol, 364 struct snd_ctl_elem_value *ucontrol) 365 { 366 struct hda_codec *codec = snd_kcontrol_chip(kcontrol); 367 struct hdmi_spec *spec = codec->spec; 368 struct hdmi_spec_per_pin *per_pin; 369 struct hdmi_eld *eld; 370 int pcm_idx; 371 int err = 0; 372 373 pcm_idx = kcontrol->private_value; 374 mutex_lock(&spec->pcm_lock); 375 per_pin = pcm_idx_to_pin(spec, pcm_idx); 376 if (!per_pin) { 377 /* no pin is bound to the pcm */ 378 memset(ucontrol->value.bytes.data, 0, 379 ARRAY_SIZE(ucontrol->value.bytes.data)); 380 goto unlock; 381 } 382 383 eld = &per_pin->sink_eld; 384 if (eld->eld_size > ARRAY_SIZE(ucontrol->value.bytes.data) || 385 eld->eld_size > ELD_MAX_SIZE) { 386 snd_BUG(); 387 err = -EINVAL; 388 goto unlock; 389 } 390 391 memset(ucontrol->value.bytes.data, 0, 392 ARRAY_SIZE(ucontrol->value.bytes.data)); 393 if (eld->eld_valid) 394 memcpy(ucontrol->value.bytes.data, eld->eld_buffer, 395 eld->eld_size); 396 397 unlock: 398 mutex_unlock(&spec->pcm_lock); 399 return err; 400 } 401 402 static const struct snd_kcontrol_new eld_bytes_ctl = { 403 .access = SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_VOLATILE | 404 SNDRV_CTL_ELEM_ACCESS_SKIP_CHECK, 405 .iface = SNDRV_CTL_ELEM_IFACE_PCM, 406 .name = "ELD", 407 .info = hdmi_eld_ctl_info, 408 .get = hdmi_eld_ctl_get, 409 }; 410 411 static int hdmi_create_eld_ctl(struct hda_codec *codec, int pcm_idx, 412 int device) 413 { 414 struct snd_kcontrol *kctl; 415 struct hdmi_spec *spec = codec->spec; 416 int err; 417 418 kctl = snd_ctl_new1(&eld_bytes_ctl, codec); 419 if (!kctl) 420 return -ENOMEM; 421 kctl->private_value = pcm_idx; 422 kctl->id.device = device; 423 424 /* no pin nid is associated with the kctl now 425 * tbd: associate pin nid to eld ctl later 426 */ 427 err = snd_hda_ctl_add(codec, 0, kctl); 428 if (err < 0) 429 return err; 430 431 get_hdmi_pcm(spec, pcm_idx)->eld_ctl = kctl; 432 return 0; 433 } 434 435 #ifdef BE_PARANOID 436 static void hdmi_get_dip_index(struct hda_codec *codec, hda_nid_t pin_nid, 437 int *packet_index, int *byte_index) 438 { 439 int val; 440 441 val = snd_hda_codec_read(codec, pin_nid, 0, 442 AC_VERB_GET_HDMI_DIP_INDEX, 0); 443 444 *packet_index = val >> 5; 445 *byte_index = val & 0x1f; 446 } 447 #endif 448 449 static void hdmi_set_dip_index(struct hda_codec *codec, hda_nid_t pin_nid, 450 int packet_index, int byte_index) 451 { 452 int val; 453 454 val = (packet_index << 5) | (byte_index & 0x1f); 455 456 snd_hda_codec_write(codec, pin_nid, 0, AC_VERB_SET_HDMI_DIP_INDEX, val); 457 } 458 459 static void hdmi_write_dip_byte(struct hda_codec *codec, hda_nid_t pin_nid, 460 unsigned char val) 461 { 462 snd_hda_codec_write(codec, pin_nid, 0, AC_VERB_SET_HDMI_DIP_DATA, val); 463 } 464 465 static void hdmi_init_pin(struct hda_codec *codec, hda_nid_t pin_nid) 466 { 467 struct hdmi_spec *spec = codec->spec; 468 int pin_out; 469 470 /* Unmute */ 471 if (get_wcaps(codec, pin_nid) & AC_WCAP_OUT_AMP) 472 snd_hda_codec_write(codec, pin_nid, 0, 473 AC_VERB_SET_AMP_GAIN_MUTE, AMP_OUT_UNMUTE); 474 475 if (spec->dyn_pin_out) 476 /* Disable pin out until stream is active */ 477 pin_out = 0; 478 else 479 /* Enable pin out: some machines with GM965 gets broken output 480 * when the pin is disabled or changed while using with HDMI 481 */ 482 pin_out = PIN_OUT; 483 484 snd_hda_codec_write(codec, pin_nid, 0, 485 AC_VERB_SET_PIN_WIDGET_CONTROL, pin_out); 486 } 487 488 /* 489 * ELD proc files 490 */ 491 492 #ifdef CONFIG_SND_PROC_FS 493 static void print_eld_info(struct snd_info_entry *entry, 494 struct snd_info_buffer *buffer) 495 { 496 struct hdmi_spec_per_pin *per_pin = entry->private_data; 497 498 mutex_lock(&per_pin->lock); 499 snd_hdmi_print_eld_info(&per_pin->sink_eld, buffer, per_pin->pin_nid, 500 per_pin->dev_id, per_pin->cvt_nid); 501 mutex_unlock(&per_pin->lock); 502 } 503 504 static void write_eld_info(struct snd_info_entry *entry, 505 struct snd_info_buffer *buffer) 506 { 507 struct hdmi_spec_per_pin *per_pin = entry->private_data; 508 509 mutex_lock(&per_pin->lock); 510 snd_hdmi_write_eld_info(&per_pin->sink_eld, buffer); 511 mutex_unlock(&per_pin->lock); 512 } 513 514 static int eld_proc_new(struct hdmi_spec_per_pin *per_pin, int index) 515 { 516 char name[32]; 517 struct hda_codec *codec = per_pin->codec; 518 struct snd_info_entry *entry; 519 int err; 520 521 snprintf(name, sizeof(name), "eld#%d.%d", codec->addr, index); 522 err = snd_card_proc_new(codec->card, name, &entry); 523 if (err < 0) 524 return err; 525 526 snd_info_set_text_ops(entry, per_pin, print_eld_info); 527 entry->c.text.write = write_eld_info; 528 entry->mode |= 0200; 529 per_pin->proc_entry = entry; 530 531 return 0; 532 } 533 534 static void eld_proc_free(struct hdmi_spec_per_pin *per_pin) 535 { 536 if (!per_pin->codec->bus->shutdown) { 537 snd_info_free_entry(per_pin->proc_entry); 538 per_pin->proc_entry = NULL; 539 } 540 } 541 #else 542 static inline int eld_proc_new(struct hdmi_spec_per_pin *per_pin, 543 int index) 544 { 545 return 0; 546 } 547 static inline void eld_proc_free(struct hdmi_spec_per_pin *per_pin) 548 { 549 } 550 #endif 551 552 /* 553 * Audio InfoFrame routines 554 */ 555 556 /* 557 * Enable Audio InfoFrame Transmission 558 */ 559 static void hdmi_start_infoframe_trans(struct hda_codec *codec, 560 hda_nid_t pin_nid) 561 { 562 hdmi_set_dip_index(codec, pin_nid, 0x0, 0x0); 563 snd_hda_codec_write(codec, pin_nid, 0, AC_VERB_SET_HDMI_DIP_XMIT, 564 AC_DIPXMIT_BEST); 565 } 566 567 /* 568 * Disable Audio InfoFrame Transmission 569 */ 570 static void hdmi_stop_infoframe_trans(struct hda_codec *codec, 571 hda_nid_t pin_nid) 572 { 573 hdmi_set_dip_index(codec, pin_nid, 0x0, 0x0); 574 snd_hda_codec_write(codec, pin_nid, 0, AC_VERB_SET_HDMI_DIP_XMIT, 575 AC_DIPXMIT_DISABLE); 576 } 577 578 static void hdmi_debug_dip_size(struct hda_codec *codec, hda_nid_t pin_nid) 579 { 580 #ifdef CONFIG_SND_DEBUG_VERBOSE 581 int i; 582 int size; 583 584 size = snd_hdmi_get_eld_size(codec, pin_nid); 585 codec_dbg(codec, "HDMI: ELD buf size is %d\n", size); 586 587 for (i = 0; i < 8; i++) { 588 size = snd_hda_codec_read(codec, pin_nid, 0, 589 AC_VERB_GET_HDMI_DIP_SIZE, i); 590 codec_dbg(codec, "HDMI: DIP GP[%d] buf size is %d\n", i, size); 591 } 592 #endif 593 } 594 595 static void hdmi_clear_dip_buffers(struct hda_codec *codec, hda_nid_t pin_nid) 596 { 597 #ifdef BE_PARANOID 598 int i, j; 599 int size; 600 int pi, bi; 601 for (i = 0; i < 8; i++) { 602 size = snd_hda_codec_read(codec, pin_nid, 0, 603 AC_VERB_GET_HDMI_DIP_SIZE, i); 604 if (size == 0) 605 continue; 606 607 hdmi_set_dip_index(codec, pin_nid, i, 0x0); 608 for (j = 1; j < 1000; j++) { 609 hdmi_write_dip_byte(codec, pin_nid, 0x0); 610 hdmi_get_dip_index(codec, pin_nid, &pi, &bi); 611 if (pi != i) 612 codec_dbg(codec, "dip index %d: %d != %d\n", 613 bi, pi, i); 614 if (bi == 0) /* byte index wrapped around */ 615 break; 616 } 617 codec_dbg(codec, 618 "HDMI: DIP GP[%d] buf reported size=%d, written=%d\n", 619 i, size, j); 620 } 621 #endif 622 } 623 624 static void hdmi_checksum_audio_infoframe(struct hdmi_audio_infoframe *hdmi_ai) 625 { 626 u8 *bytes = (u8 *)hdmi_ai; 627 u8 sum = 0; 628 int i; 629 630 hdmi_ai->checksum = 0; 631 632 for (i = 0; i < sizeof(*hdmi_ai); i++) 633 sum += bytes[i]; 634 635 hdmi_ai->checksum = -sum; 636 } 637 638 static void hdmi_fill_audio_infoframe(struct hda_codec *codec, 639 hda_nid_t pin_nid, 640 u8 *dip, int size) 641 { 642 int i; 643 644 hdmi_debug_dip_size(codec, pin_nid); 645 hdmi_clear_dip_buffers(codec, pin_nid); /* be paranoid */ 646 647 hdmi_set_dip_index(codec, pin_nid, 0x0, 0x0); 648 for (i = 0; i < size; i++) 649 hdmi_write_dip_byte(codec, pin_nid, dip[i]); 650 } 651 652 static bool hdmi_infoframe_uptodate(struct hda_codec *codec, hda_nid_t pin_nid, 653 u8 *dip, int size) 654 { 655 u8 val; 656 int i; 657 658 hdmi_set_dip_index(codec, pin_nid, 0x0, 0x0); 659 if (snd_hda_codec_read(codec, pin_nid, 0, AC_VERB_GET_HDMI_DIP_XMIT, 0) 660 != AC_DIPXMIT_BEST) 661 return false; 662 663 for (i = 0; i < size; i++) { 664 val = snd_hda_codec_read(codec, pin_nid, 0, 665 AC_VERB_GET_HDMI_DIP_DATA, 0); 666 if (val != dip[i]) 667 return false; 668 } 669 670 return true; 671 } 672 673 static int hdmi_pin_get_eld(struct hda_codec *codec, hda_nid_t nid, 674 int dev_id, unsigned char *buf, int *eld_size) 675 { 676 snd_hda_set_dev_select(codec, nid, dev_id); 677 678 return snd_hdmi_get_eld(codec, nid, buf, eld_size); 679 } 680 681 static void hdmi_pin_setup_infoframe(struct hda_codec *codec, 682 hda_nid_t pin_nid, int dev_id, 683 int ca, int active_channels, 684 int conn_type) 685 { 686 struct hdmi_spec *spec = codec->spec; 687 union audio_infoframe ai; 688 689 memset(&ai, 0, sizeof(ai)); 690 if ((conn_type == 0) || /* HDMI */ 691 /* Nvidia DisplayPort: Nvidia HW expects same layout as HDMI */ 692 (conn_type == 1 && spec->nv_dp_workaround)) { 693 struct hdmi_audio_infoframe *hdmi_ai = &ai.hdmi; 694 695 if (conn_type == 0) { /* HDMI */ 696 hdmi_ai->type = 0x84; 697 hdmi_ai->ver = 0x01; 698 hdmi_ai->len = 0x0a; 699 } else {/* Nvidia DP */ 700 hdmi_ai->type = 0x84; 701 hdmi_ai->ver = 0x1b; 702 hdmi_ai->len = 0x11 << 2; 703 } 704 hdmi_ai->CC02_CT47 = active_channels - 1; 705 hdmi_ai->CA = ca; 706 hdmi_checksum_audio_infoframe(hdmi_ai); 707 } else if (conn_type == 1) { /* DisplayPort */ 708 struct dp_audio_infoframe *dp_ai = &ai.dp; 709 710 dp_ai->type = 0x84; 711 dp_ai->len = 0x1b; 712 dp_ai->ver = 0x11 << 2; 713 dp_ai->CC02_CT47 = active_channels - 1; 714 dp_ai->CA = ca; 715 } else { 716 codec_dbg(codec, "HDMI: unknown connection type at pin NID 0x%x\n", pin_nid); 717 return; 718 } 719 720 snd_hda_set_dev_select(codec, pin_nid, dev_id); 721 722 /* 723 * sizeof(ai) is used instead of sizeof(*hdmi_ai) or 724 * sizeof(*dp_ai) to avoid partial match/update problems when 725 * the user switches between HDMI/DP monitors. 726 */ 727 if (!hdmi_infoframe_uptodate(codec, pin_nid, ai.bytes, 728 sizeof(ai))) { 729 codec_dbg(codec, "%s: pin NID=0x%x channels=%d ca=0x%02x\n", 730 __func__, pin_nid, active_channels, ca); 731 hdmi_stop_infoframe_trans(codec, pin_nid); 732 hdmi_fill_audio_infoframe(codec, pin_nid, 733 ai.bytes, sizeof(ai)); 734 hdmi_start_infoframe_trans(codec, pin_nid); 735 } 736 } 737 738 static void hdmi_setup_audio_infoframe(struct hda_codec *codec, 739 struct hdmi_spec_per_pin *per_pin, 740 bool non_pcm) 741 { 742 struct hdmi_spec *spec = codec->spec; 743 struct hdac_chmap *chmap = &spec->chmap; 744 hda_nid_t pin_nid = per_pin->pin_nid; 745 int dev_id = per_pin->dev_id; 746 int channels = per_pin->channels; 747 int active_channels; 748 struct hdmi_eld *eld; 749 int ca; 750 751 if (!channels) 752 return; 753 754 snd_hda_set_dev_select(codec, pin_nid, dev_id); 755 756 /* some HW (e.g. HSW+) needs reprogramming the amp at each time */ 757 if (get_wcaps(codec, pin_nid) & AC_WCAP_OUT_AMP) 758 snd_hda_codec_write(codec, pin_nid, 0, 759 AC_VERB_SET_AMP_GAIN_MUTE, 760 AMP_OUT_UNMUTE); 761 762 eld = &per_pin->sink_eld; 763 764 ca = snd_hdac_channel_allocation(&codec->core, 765 eld->info.spk_alloc, channels, 766 per_pin->chmap_set, non_pcm, per_pin->chmap); 767 768 active_channels = snd_hdac_get_active_channels(ca); 769 770 chmap->ops.set_channel_count(&codec->core, per_pin->cvt_nid, 771 active_channels); 772 773 /* 774 * always configure channel mapping, it may have been changed by the 775 * user in the meantime 776 */ 777 snd_hdac_setup_channel_mapping(&spec->chmap, 778 pin_nid, non_pcm, ca, channels, 779 per_pin->chmap, per_pin->chmap_set); 780 781 spec->ops.pin_setup_infoframe(codec, pin_nid, dev_id, 782 ca, active_channels, eld->info.conn_type); 783 784 per_pin->non_pcm = non_pcm; 785 } 786 787 /* 788 * Unsolicited events 789 */ 790 791 static void hdmi_present_sense(struct hdmi_spec_per_pin *per_pin, int repoll); 792 793 static void check_presence_and_report(struct hda_codec *codec, hda_nid_t nid, 794 int dev_id) 795 { 796 struct hdmi_spec *spec = codec->spec; 797 int pin_idx = pin_id_to_pin_index(codec, nid, dev_id); 798 799 if (pin_idx < 0) 800 return; 801 mutex_lock(&spec->pcm_lock); 802 hdmi_present_sense(get_pin(spec, pin_idx), 1); 803 mutex_unlock(&spec->pcm_lock); 804 } 805 806 static void jack_callback(struct hda_codec *codec, 807 struct hda_jack_callback *jack) 808 { 809 /* stop polling when notification is enabled */ 810 if (codec_has_acomp(codec)) 811 return; 812 813 check_presence_and_report(codec, jack->nid, jack->dev_id); 814 } 815 816 static void hdmi_intrinsic_event(struct hda_codec *codec, unsigned int res, 817 struct hda_jack_tbl *jack) 818 { 819 jack->jack_dirty = 1; 820 821 codec_dbg(codec, 822 "HDMI hot plug event: Codec=%d NID=0x%x Device=%d Inactive=%d Presence_Detect=%d ELD_Valid=%d\n", 823 codec->addr, jack->nid, jack->dev_id, !!(res & AC_UNSOL_RES_IA), 824 !!(res & AC_UNSOL_RES_PD), !!(res & AC_UNSOL_RES_ELDV)); 825 826 check_presence_and_report(codec, jack->nid, jack->dev_id); 827 } 828 829 static void hdmi_non_intrinsic_event(struct hda_codec *codec, unsigned int res) 830 { 831 int tag = res >> AC_UNSOL_RES_TAG_SHIFT; 832 int subtag = (res & AC_UNSOL_RES_SUBTAG) >> AC_UNSOL_RES_SUBTAG_SHIFT; 833 int cp_state = !!(res & AC_UNSOL_RES_CP_STATE); 834 int cp_ready = !!(res & AC_UNSOL_RES_CP_READY); 835 836 codec_info(codec, 837 "HDMI CP event: CODEC=%d TAG=%d SUBTAG=0x%x CP_STATE=%d CP_READY=%d\n", 838 codec->addr, 839 tag, 840 subtag, 841 cp_state, 842 cp_ready); 843 844 /* TODO */ 845 if (cp_state) { 846 ; 847 } 848 if (cp_ready) { 849 ; 850 } 851 } 852 853 854 static void hdmi_unsol_event(struct hda_codec *codec, unsigned int res) 855 { 856 int tag = res >> AC_UNSOL_RES_TAG_SHIFT; 857 int subtag = (res & AC_UNSOL_RES_SUBTAG) >> AC_UNSOL_RES_SUBTAG_SHIFT; 858 struct hda_jack_tbl *jack; 859 860 if (codec_has_acomp(codec)) 861 return; 862 863 if (codec->dp_mst) { 864 int dev_entry = 865 (res & AC_UNSOL_RES_DE) >> AC_UNSOL_RES_DE_SHIFT; 866 867 jack = snd_hda_jack_tbl_get_from_tag(codec, tag, dev_entry); 868 } else { 869 jack = snd_hda_jack_tbl_get_from_tag(codec, tag, 0); 870 } 871 872 if (!jack) { 873 codec_dbg(codec, "Unexpected HDMI event tag 0x%x\n", tag); 874 return; 875 } 876 877 if (subtag == 0) 878 hdmi_intrinsic_event(codec, res, jack); 879 else 880 hdmi_non_intrinsic_event(codec, res); 881 } 882 883 static void haswell_verify_D0(struct hda_codec *codec, 884 hda_nid_t cvt_nid, hda_nid_t nid) 885 { 886 int pwr; 887 888 /* For Haswell, the converter 1/2 may keep in D3 state after bootup, 889 * thus pins could only choose converter 0 for use. Make sure the 890 * converters are in correct power state */ 891 if (!snd_hda_check_power_state(codec, cvt_nid, AC_PWRST_D0)) 892 snd_hda_codec_write(codec, cvt_nid, 0, AC_VERB_SET_POWER_STATE, AC_PWRST_D0); 893 894 if (!snd_hda_check_power_state(codec, nid, AC_PWRST_D0)) { 895 snd_hda_codec_write(codec, nid, 0, AC_VERB_SET_POWER_STATE, 896 AC_PWRST_D0); 897 msleep(40); 898 pwr = snd_hda_codec_read(codec, nid, 0, AC_VERB_GET_POWER_STATE, 0); 899 pwr = (pwr & AC_PWRST_ACTUAL) >> AC_PWRST_ACTUAL_SHIFT; 900 codec_dbg(codec, "Haswell HDMI audio: Power for NID 0x%x is now D%d\n", nid, pwr); 901 } 902 } 903 904 /* 905 * Callbacks 906 */ 907 908 /* HBR should be Non-PCM, 8 channels */ 909 #define is_hbr_format(format) \ 910 ((format & AC_FMT_TYPE_NON_PCM) && (format & AC_FMT_CHAN_MASK) == 7) 911 912 static int hdmi_pin_hbr_setup(struct hda_codec *codec, hda_nid_t pin_nid, 913 int dev_id, bool hbr) 914 { 915 int pinctl, new_pinctl; 916 917 if (snd_hda_query_pin_caps(codec, pin_nid) & AC_PINCAP_HBR) { 918 snd_hda_set_dev_select(codec, pin_nid, dev_id); 919 pinctl = snd_hda_codec_read(codec, pin_nid, 0, 920 AC_VERB_GET_PIN_WIDGET_CONTROL, 0); 921 922 if (pinctl < 0) 923 return hbr ? -EINVAL : 0; 924 925 new_pinctl = pinctl & ~AC_PINCTL_EPT; 926 if (hbr) 927 new_pinctl |= AC_PINCTL_EPT_HBR; 928 else 929 new_pinctl |= AC_PINCTL_EPT_NATIVE; 930 931 codec_dbg(codec, 932 "hdmi_pin_hbr_setup: NID=0x%x, %spinctl=0x%x\n", 933 pin_nid, 934 pinctl == new_pinctl ? "" : "new-", 935 new_pinctl); 936 937 if (pinctl != new_pinctl) 938 snd_hda_codec_write(codec, pin_nid, 0, 939 AC_VERB_SET_PIN_WIDGET_CONTROL, 940 new_pinctl); 941 } else if (hbr) 942 return -EINVAL; 943 944 return 0; 945 } 946 947 static int hdmi_setup_stream(struct hda_codec *codec, hda_nid_t cvt_nid, 948 hda_nid_t pin_nid, int dev_id, 949 u32 stream_tag, int format) 950 { 951 struct hdmi_spec *spec = codec->spec; 952 unsigned int param; 953 int err; 954 955 err = spec->ops.pin_hbr_setup(codec, pin_nid, dev_id, 956 is_hbr_format(format)); 957 958 if (err) { 959 codec_dbg(codec, "hdmi_setup_stream: HBR is not supported\n"); 960 return err; 961 } 962 963 if (spec->intel_hsw_fixup) { 964 965 /* 966 * on recent platforms IEC Coding Type is required for HBR 967 * support, read current Digital Converter settings and set 968 * ICT bitfield if needed. 969 */ 970 param = snd_hda_codec_read(codec, cvt_nid, 0, 971 AC_VERB_GET_DIGI_CONVERT_1, 0); 972 973 param = (param >> 16) & ~(AC_DIG3_ICT); 974 975 /* on recent platforms ICT mode is required for HBR support */ 976 if (is_hbr_format(format)) 977 param |= 0x1; 978 979 snd_hda_codec_write(codec, cvt_nid, 0, 980 AC_VERB_SET_DIGI_CONVERT_3, param); 981 } 982 983 snd_hda_codec_setup_stream(codec, cvt_nid, stream_tag, 0, format); 984 return 0; 985 } 986 987 /* Try to find an available converter 988 * If pin_idx is less then zero, just try to find an available converter. 989 * Otherwise, try to find an available converter and get the cvt mux index 990 * of the pin. 991 */ 992 static int hdmi_choose_cvt(struct hda_codec *codec, 993 int pin_idx, int *cvt_id, 994 bool silent) 995 { 996 struct hdmi_spec *spec = codec->spec; 997 struct hdmi_spec_per_pin *per_pin; 998 struct hdmi_spec_per_cvt *per_cvt = NULL; 999 int cvt_idx, mux_idx = 0; 1000 1001 /* pin_idx < 0 means no pin will be bound to the converter */ 1002 if (pin_idx < 0) 1003 per_pin = NULL; 1004 else 1005 per_pin = get_pin(spec, pin_idx); 1006 1007 if (per_pin && per_pin->silent_stream) { 1008 cvt_idx = cvt_nid_to_cvt_index(codec, per_pin->cvt_nid); 1009 per_cvt = get_cvt(spec, cvt_idx); 1010 if (per_cvt->assigned && !silent) 1011 return -EBUSY; 1012 if (cvt_id) 1013 *cvt_id = cvt_idx; 1014 return 0; 1015 } 1016 1017 /* Dynamically assign converter to stream */ 1018 for (cvt_idx = 0; cvt_idx < spec->num_cvts; cvt_idx++) { 1019 per_cvt = get_cvt(spec, cvt_idx); 1020 1021 /* Must not already be assigned */ 1022 if (per_cvt->assigned || per_cvt->silent_stream) 1023 continue; 1024 if (per_pin == NULL) 1025 break; 1026 /* Must be in pin's mux's list of converters */ 1027 for (mux_idx = 0; mux_idx < per_pin->num_mux_nids; mux_idx++) 1028 if (per_pin->mux_nids[mux_idx] == per_cvt->cvt_nid) 1029 break; 1030 /* Not in mux list */ 1031 if (mux_idx == per_pin->num_mux_nids) 1032 continue; 1033 break; 1034 } 1035 1036 /* No free converters */ 1037 if (cvt_idx == spec->num_cvts) 1038 return -EBUSY; 1039 1040 if (per_pin != NULL) 1041 per_pin->mux_idx = mux_idx; 1042 1043 if (cvt_id) 1044 *cvt_id = cvt_idx; 1045 1046 return 0; 1047 } 1048 1049 /* Assure the pin select the right convetor */ 1050 static void intel_verify_pin_cvt_connect(struct hda_codec *codec, 1051 struct hdmi_spec_per_pin *per_pin) 1052 { 1053 hda_nid_t pin_nid = per_pin->pin_nid; 1054 int mux_idx, curr; 1055 1056 mux_idx = per_pin->mux_idx; 1057 curr = snd_hda_codec_read(codec, pin_nid, 0, 1058 AC_VERB_GET_CONNECT_SEL, 0); 1059 if (curr != mux_idx) 1060 snd_hda_codec_write_cache(codec, pin_nid, 0, 1061 AC_VERB_SET_CONNECT_SEL, 1062 mux_idx); 1063 } 1064 1065 /* get the mux index for the converter of the pins 1066 * converter's mux index is the same for all pins on Intel platform 1067 */ 1068 static int intel_cvt_id_to_mux_idx(struct hdmi_spec *spec, 1069 hda_nid_t cvt_nid) 1070 { 1071 int i; 1072 1073 for (i = 0; i < spec->num_cvts; i++) 1074 if (spec->cvt_nids[i] == cvt_nid) 1075 return i; 1076 return -EINVAL; 1077 } 1078 1079 /* Intel HDMI workaround to fix audio routing issue: 1080 * For some Intel display codecs, pins share the same connection list. 1081 * So a conveter can be selected by multiple pins and playback on any of these 1082 * pins will generate sound on the external display, because audio flows from 1083 * the same converter to the display pipeline. Also muting one pin may make 1084 * other pins have no sound output. 1085 * So this function assures that an assigned converter for a pin is not selected 1086 * by any other pins. 1087 */ 1088 static void intel_not_share_assigned_cvt(struct hda_codec *codec, 1089 hda_nid_t pin_nid, 1090 int dev_id, int mux_idx) 1091 { 1092 struct hdmi_spec *spec = codec->spec; 1093 hda_nid_t nid; 1094 int cvt_idx, curr; 1095 struct hdmi_spec_per_cvt *per_cvt; 1096 struct hdmi_spec_per_pin *per_pin; 1097 int pin_idx; 1098 1099 /* configure the pins connections */ 1100 for (pin_idx = 0; pin_idx < spec->num_pins; pin_idx++) { 1101 int dev_id_saved; 1102 int dev_num; 1103 1104 per_pin = get_pin(spec, pin_idx); 1105 /* 1106 * pin not connected to monitor 1107 * no need to operate on it 1108 */ 1109 if (!per_pin->pcm) 1110 continue; 1111 1112 if ((per_pin->pin_nid == pin_nid) && 1113 (per_pin->dev_id == dev_id)) 1114 continue; 1115 1116 /* 1117 * if per_pin->dev_id >= dev_num, 1118 * snd_hda_get_dev_select() will fail, 1119 * and the following operation is unpredictable. 1120 * So skip this situation. 1121 */ 1122 dev_num = snd_hda_get_num_devices(codec, per_pin->pin_nid) + 1; 1123 if (per_pin->dev_id >= dev_num) 1124 continue; 1125 1126 nid = per_pin->pin_nid; 1127 1128 /* 1129 * Calling this function should not impact 1130 * on the device entry selection 1131 * So let's save the dev id for each pin, 1132 * and restore it when return 1133 */ 1134 dev_id_saved = snd_hda_get_dev_select(codec, nid); 1135 snd_hda_set_dev_select(codec, nid, per_pin->dev_id); 1136 curr = snd_hda_codec_read(codec, nid, 0, 1137 AC_VERB_GET_CONNECT_SEL, 0); 1138 if (curr != mux_idx) { 1139 snd_hda_set_dev_select(codec, nid, dev_id_saved); 1140 continue; 1141 } 1142 1143 1144 /* choose an unassigned converter. The conveters in the 1145 * connection list are in the same order as in the codec. 1146 */ 1147 for (cvt_idx = 0; cvt_idx < spec->num_cvts; cvt_idx++) { 1148 per_cvt = get_cvt(spec, cvt_idx); 1149 if (!per_cvt->assigned) { 1150 codec_dbg(codec, 1151 "choose cvt %d for pin NID 0x%x\n", 1152 cvt_idx, nid); 1153 snd_hda_codec_write_cache(codec, nid, 0, 1154 AC_VERB_SET_CONNECT_SEL, 1155 cvt_idx); 1156 break; 1157 } 1158 } 1159 snd_hda_set_dev_select(codec, nid, dev_id_saved); 1160 } 1161 } 1162 1163 /* A wrapper of intel_not_share_asigned_cvt() */ 1164 static void intel_not_share_assigned_cvt_nid(struct hda_codec *codec, 1165 hda_nid_t pin_nid, int dev_id, hda_nid_t cvt_nid) 1166 { 1167 int mux_idx; 1168 struct hdmi_spec *spec = codec->spec; 1169 1170 /* On Intel platform, the mapping of converter nid to 1171 * mux index of the pins are always the same. 1172 * The pin nid may be 0, this means all pins will not 1173 * share the converter. 1174 */ 1175 mux_idx = intel_cvt_id_to_mux_idx(spec, cvt_nid); 1176 if (mux_idx >= 0) 1177 intel_not_share_assigned_cvt(codec, pin_nid, dev_id, mux_idx); 1178 } 1179 1180 /* skeleton caller of pin_cvt_fixup ops */ 1181 static void pin_cvt_fixup(struct hda_codec *codec, 1182 struct hdmi_spec_per_pin *per_pin, 1183 hda_nid_t cvt_nid) 1184 { 1185 struct hdmi_spec *spec = codec->spec; 1186 1187 if (spec->ops.pin_cvt_fixup) 1188 spec->ops.pin_cvt_fixup(codec, per_pin, cvt_nid); 1189 } 1190 1191 /* called in hdmi_pcm_open when no pin is assigned to the PCM */ 1192 static int hdmi_pcm_open_no_pin(struct hda_pcm_stream *hinfo, 1193 struct hda_codec *codec, 1194 struct snd_pcm_substream *substream) 1195 { 1196 struct hdmi_spec *spec = codec->spec; 1197 struct snd_pcm_runtime *runtime = substream->runtime; 1198 int cvt_idx, pcm_idx; 1199 struct hdmi_spec_per_cvt *per_cvt = NULL; 1200 int err; 1201 1202 pcm_idx = hinfo_to_pcm_index(codec, hinfo); 1203 if (pcm_idx < 0) 1204 return -EINVAL; 1205 1206 err = hdmi_choose_cvt(codec, -1, &cvt_idx, false); 1207 if (err) 1208 return err; 1209 1210 per_cvt = get_cvt(spec, cvt_idx); 1211 per_cvt->assigned = true; 1212 hinfo->nid = per_cvt->cvt_nid; 1213 1214 pin_cvt_fixup(codec, NULL, per_cvt->cvt_nid); 1215 1216 set_bit(pcm_idx, &spec->pcm_in_use); 1217 /* todo: setup spdif ctls assign */ 1218 1219 /* Initially set the converter's capabilities */ 1220 hinfo->channels_min = per_cvt->channels_min; 1221 hinfo->channels_max = per_cvt->channels_max; 1222 hinfo->rates = per_cvt->rates; 1223 hinfo->formats = per_cvt->formats; 1224 hinfo->maxbps = per_cvt->maxbps; 1225 1226 /* Store the updated parameters */ 1227 runtime->hw.channels_min = hinfo->channels_min; 1228 runtime->hw.channels_max = hinfo->channels_max; 1229 runtime->hw.formats = hinfo->formats; 1230 runtime->hw.rates = hinfo->rates; 1231 1232 snd_pcm_hw_constraint_step(substream->runtime, 0, 1233 SNDRV_PCM_HW_PARAM_CHANNELS, 2); 1234 return 0; 1235 } 1236 1237 /* 1238 * HDA PCM callbacks 1239 */ 1240 static int hdmi_pcm_open(struct hda_pcm_stream *hinfo, 1241 struct hda_codec *codec, 1242 struct snd_pcm_substream *substream) 1243 { 1244 struct hdmi_spec *spec = codec->spec; 1245 struct snd_pcm_runtime *runtime = substream->runtime; 1246 int pin_idx, cvt_idx, pcm_idx; 1247 struct hdmi_spec_per_pin *per_pin; 1248 struct hdmi_eld *eld; 1249 struct hdmi_spec_per_cvt *per_cvt = NULL; 1250 int err; 1251 1252 /* Validate hinfo */ 1253 pcm_idx = hinfo_to_pcm_index(codec, hinfo); 1254 if (pcm_idx < 0) 1255 return -EINVAL; 1256 1257 mutex_lock(&spec->pcm_lock); 1258 pin_idx = hinfo_to_pin_index(codec, hinfo); 1259 /* no pin is assigned to the PCM 1260 * PA need pcm open successfully when probe 1261 */ 1262 if (pin_idx < 0) { 1263 err = hdmi_pcm_open_no_pin(hinfo, codec, substream); 1264 goto unlock; 1265 } 1266 1267 err = hdmi_choose_cvt(codec, pin_idx, &cvt_idx, false); 1268 if (err < 0) 1269 goto unlock; 1270 1271 per_cvt = get_cvt(spec, cvt_idx); 1272 /* Claim converter */ 1273 per_cvt->assigned = true; 1274 1275 set_bit(pcm_idx, &spec->pcm_in_use); 1276 per_pin = get_pin(spec, pin_idx); 1277 per_pin->cvt_nid = per_cvt->cvt_nid; 1278 hinfo->nid = per_cvt->cvt_nid; 1279 1280 /* flip stripe flag for the assigned stream if supported */ 1281 if (get_wcaps(codec, per_cvt->cvt_nid) & AC_WCAP_STRIPE) 1282 azx_stream(get_azx_dev(substream))->stripe = 1; 1283 1284 snd_hda_set_dev_select(codec, per_pin->pin_nid, per_pin->dev_id); 1285 snd_hda_codec_write_cache(codec, per_pin->pin_nid, 0, 1286 AC_VERB_SET_CONNECT_SEL, 1287 per_pin->mux_idx); 1288 1289 /* configure unused pins to choose other converters */ 1290 pin_cvt_fixup(codec, per_pin, 0); 1291 1292 snd_hda_spdif_ctls_assign(codec, pcm_idx, per_cvt->cvt_nid); 1293 1294 /* Initially set the converter's capabilities */ 1295 hinfo->channels_min = per_cvt->channels_min; 1296 hinfo->channels_max = per_cvt->channels_max; 1297 hinfo->rates = per_cvt->rates; 1298 hinfo->formats = per_cvt->formats; 1299 hinfo->maxbps = per_cvt->maxbps; 1300 1301 eld = &per_pin->sink_eld; 1302 /* Restrict capabilities by ELD if this isn't disabled */ 1303 if (!static_hdmi_pcm && eld->eld_valid) { 1304 snd_hdmi_eld_update_pcm_info(&eld->info, hinfo); 1305 if (hinfo->channels_min > hinfo->channels_max || 1306 !hinfo->rates || !hinfo->formats) { 1307 per_cvt->assigned = false; 1308 hinfo->nid = 0; 1309 snd_hda_spdif_ctls_unassign(codec, pcm_idx); 1310 err = -ENODEV; 1311 goto unlock; 1312 } 1313 } 1314 1315 /* Store the updated parameters */ 1316 runtime->hw.channels_min = hinfo->channels_min; 1317 runtime->hw.channels_max = hinfo->channels_max; 1318 runtime->hw.formats = hinfo->formats; 1319 runtime->hw.rates = hinfo->rates; 1320 1321 snd_pcm_hw_constraint_step(substream->runtime, 0, 1322 SNDRV_PCM_HW_PARAM_CHANNELS, 2); 1323 unlock: 1324 mutex_unlock(&spec->pcm_lock); 1325 return err; 1326 } 1327 1328 /* 1329 * HDA/HDMI auto parsing 1330 */ 1331 static int hdmi_read_pin_conn(struct hda_codec *codec, int pin_idx) 1332 { 1333 struct hdmi_spec *spec = codec->spec; 1334 struct hdmi_spec_per_pin *per_pin = get_pin(spec, pin_idx); 1335 hda_nid_t pin_nid = per_pin->pin_nid; 1336 int dev_id = per_pin->dev_id; 1337 int conns; 1338 1339 if (!(get_wcaps(codec, pin_nid) & AC_WCAP_CONN_LIST)) { 1340 codec_warn(codec, 1341 "HDMI: pin NID 0x%x wcaps %#x does not support connection list\n", 1342 pin_nid, get_wcaps(codec, pin_nid)); 1343 return -EINVAL; 1344 } 1345 1346 snd_hda_set_dev_select(codec, pin_nid, dev_id); 1347 1348 if (spec->intel_hsw_fixup) { 1349 conns = spec->num_cvts; 1350 memcpy(per_pin->mux_nids, spec->cvt_nids, 1351 sizeof(hda_nid_t) * conns); 1352 } else { 1353 conns = snd_hda_get_raw_connections(codec, pin_nid, 1354 per_pin->mux_nids, 1355 HDA_MAX_CONNECTIONS); 1356 } 1357 1358 /* all the device entries on the same pin have the same conn list */ 1359 per_pin->num_mux_nids = conns; 1360 1361 return 0; 1362 } 1363 1364 static int hdmi_find_pcm_slot(struct hdmi_spec *spec, 1365 struct hdmi_spec_per_pin *per_pin) 1366 { 1367 int i; 1368 1369 for (i = 0; i < spec->pcm_used; i++) { 1370 if (!test_bit(i, &spec->pcm_bitmap)) 1371 return i; 1372 } 1373 return -EBUSY; 1374 } 1375 1376 static void hdmi_attach_hda_pcm(struct hdmi_spec *spec, 1377 struct hdmi_spec_per_pin *per_pin) 1378 { 1379 int idx; 1380 1381 /* pcm already be attached to the pin */ 1382 if (per_pin->pcm) 1383 return; 1384 /* try the previously used slot at first */ 1385 idx = per_pin->prev_pcm_idx; 1386 if (idx >= 0) { 1387 if (!test_bit(idx, &spec->pcm_bitmap)) 1388 goto found; 1389 per_pin->prev_pcm_idx = -1; /* no longer valid, clear it */ 1390 } 1391 idx = hdmi_find_pcm_slot(spec, per_pin); 1392 if (idx == -EBUSY) 1393 return; 1394 found: 1395 per_pin->pcm_idx = idx; 1396 per_pin->pcm = get_hdmi_pcm(spec, idx); 1397 set_bit(idx, &spec->pcm_bitmap); 1398 } 1399 1400 static void hdmi_detach_hda_pcm(struct hdmi_spec *spec, 1401 struct hdmi_spec_per_pin *per_pin) 1402 { 1403 int idx; 1404 1405 /* pcm already be detached from the pin */ 1406 if (!per_pin->pcm) 1407 return; 1408 idx = per_pin->pcm_idx; 1409 per_pin->pcm_idx = -1; 1410 per_pin->prev_pcm_idx = idx; /* remember the previous index */ 1411 per_pin->pcm = NULL; 1412 if (idx >= 0 && idx < spec->pcm_used) 1413 clear_bit(idx, &spec->pcm_bitmap); 1414 } 1415 1416 static int hdmi_get_pin_cvt_mux(struct hdmi_spec *spec, 1417 struct hdmi_spec_per_pin *per_pin, hda_nid_t cvt_nid) 1418 { 1419 int mux_idx; 1420 1421 for (mux_idx = 0; mux_idx < per_pin->num_mux_nids; mux_idx++) 1422 if (per_pin->mux_nids[mux_idx] == cvt_nid) 1423 break; 1424 return mux_idx; 1425 } 1426 1427 static bool check_non_pcm_per_cvt(struct hda_codec *codec, hda_nid_t cvt_nid); 1428 1429 static void hdmi_pcm_setup_pin(struct hdmi_spec *spec, 1430 struct hdmi_spec_per_pin *per_pin) 1431 { 1432 struct hda_codec *codec = per_pin->codec; 1433 struct hda_pcm *pcm; 1434 struct hda_pcm_stream *hinfo; 1435 struct snd_pcm_substream *substream; 1436 int mux_idx; 1437 bool non_pcm; 1438 1439 if (per_pin->pcm_idx < 0 || per_pin->pcm_idx >= spec->pcm_used) 1440 return; 1441 pcm = get_pcm_rec(spec, per_pin->pcm_idx); 1442 if (!pcm->pcm) 1443 return; 1444 if (!test_bit(per_pin->pcm_idx, &spec->pcm_in_use)) 1445 return; 1446 1447 /* hdmi audio only uses playback and one substream */ 1448 hinfo = pcm->stream; 1449 substream = pcm->pcm->streams[0].substream; 1450 1451 per_pin->cvt_nid = hinfo->nid; 1452 1453 mux_idx = hdmi_get_pin_cvt_mux(spec, per_pin, hinfo->nid); 1454 if (mux_idx < per_pin->num_mux_nids) { 1455 snd_hda_set_dev_select(codec, per_pin->pin_nid, 1456 per_pin->dev_id); 1457 snd_hda_codec_write_cache(codec, per_pin->pin_nid, 0, 1458 AC_VERB_SET_CONNECT_SEL, 1459 mux_idx); 1460 } 1461 snd_hda_spdif_ctls_assign(codec, per_pin->pcm_idx, hinfo->nid); 1462 1463 non_pcm = check_non_pcm_per_cvt(codec, hinfo->nid); 1464 if (substream->runtime) 1465 per_pin->channels = substream->runtime->channels; 1466 per_pin->setup = true; 1467 per_pin->mux_idx = mux_idx; 1468 1469 hdmi_setup_audio_infoframe(codec, per_pin, non_pcm); 1470 } 1471 1472 static void hdmi_pcm_reset_pin(struct hdmi_spec *spec, 1473 struct hdmi_spec_per_pin *per_pin) 1474 { 1475 if (per_pin->pcm_idx >= 0 && per_pin->pcm_idx < spec->pcm_used) 1476 snd_hda_spdif_ctls_unassign(per_pin->codec, per_pin->pcm_idx); 1477 1478 per_pin->chmap_set = false; 1479 memset(per_pin->chmap, 0, sizeof(per_pin->chmap)); 1480 1481 per_pin->setup = false; 1482 per_pin->channels = 0; 1483 } 1484 1485 static struct snd_jack *pin_idx_to_pcm_jack(struct hda_codec *codec, 1486 struct hdmi_spec_per_pin *per_pin) 1487 { 1488 struct hdmi_spec *spec = codec->spec; 1489 1490 if (per_pin->pcm_idx >= 0) 1491 return spec->pcm_rec[per_pin->pcm_idx].jack; 1492 else 1493 return NULL; 1494 } 1495 1496 /* update per_pin ELD from the given new ELD; 1497 * setup info frame and notification accordingly 1498 * also notify ELD kctl and report jack status changes 1499 */ 1500 static void update_eld(struct hda_codec *codec, 1501 struct hdmi_spec_per_pin *per_pin, 1502 struct hdmi_eld *eld, 1503 int repoll) 1504 { 1505 struct hdmi_eld *pin_eld = &per_pin->sink_eld; 1506 struct hdmi_spec *spec = codec->spec; 1507 struct snd_jack *pcm_jack; 1508 bool old_eld_valid = pin_eld->eld_valid; 1509 bool eld_changed; 1510 int pcm_idx; 1511 1512 if (eld->eld_valid) { 1513 if (eld->eld_size <= 0 || 1514 snd_hdmi_parse_eld(codec, &eld->info, eld->eld_buffer, 1515 eld->eld_size) < 0) { 1516 eld->eld_valid = false; 1517 if (repoll) { 1518 schedule_delayed_work(&per_pin->work, 1519 msecs_to_jiffies(300)); 1520 return; 1521 } 1522 } 1523 } 1524 1525 if (!eld->eld_valid || eld->eld_size <= 0 || eld->info.sad_count <= 0) { 1526 eld->eld_valid = false; 1527 eld->eld_size = 0; 1528 } 1529 1530 /* for monitor disconnection, save pcm_idx firstly */ 1531 pcm_idx = per_pin->pcm_idx; 1532 1533 /* 1534 * pcm_idx >=0 before update_eld() means it is in monitor 1535 * disconnected event. Jack must be fetched before update_eld(). 1536 */ 1537 pcm_jack = pin_idx_to_pcm_jack(codec, per_pin); 1538 1539 if (!spec->static_pcm_mapping) { 1540 if (eld->eld_valid) { 1541 hdmi_attach_hda_pcm(spec, per_pin); 1542 hdmi_pcm_setup_pin(spec, per_pin); 1543 } else { 1544 hdmi_pcm_reset_pin(spec, per_pin); 1545 hdmi_detach_hda_pcm(spec, per_pin); 1546 } 1547 } 1548 1549 /* if pcm_idx == -1, it means this is in monitor connection event 1550 * we can get the correct pcm_idx now. 1551 */ 1552 if (pcm_idx == -1) 1553 pcm_idx = per_pin->pcm_idx; 1554 if (!pcm_jack) 1555 pcm_jack = pin_idx_to_pcm_jack(codec, per_pin); 1556 1557 if (eld->eld_valid) 1558 snd_hdmi_show_eld(codec, &eld->info); 1559 1560 eld_changed = (pin_eld->eld_valid != eld->eld_valid); 1561 eld_changed |= (pin_eld->monitor_present != eld->monitor_present); 1562 if (!eld_changed && eld->eld_valid && pin_eld->eld_valid) 1563 if (pin_eld->eld_size != eld->eld_size || 1564 memcmp(pin_eld->eld_buffer, eld->eld_buffer, 1565 eld->eld_size) != 0) 1566 eld_changed = true; 1567 1568 if (eld_changed) { 1569 pin_eld->monitor_present = eld->monitor_present; 1570 pin_eld->eld_valid = eld->eld_valid; 1571 pin_eld->eld_size = eld->eld_size; 1572 if (eld->eld_valid) 1573 memcpy(pin_eld->eld_buffer, eld->eld_buffer, 1574 eld->eld_size); 1575 pin_eld->info = eld->info; 1576 } 1577 1578 /* 1579 * Re-setup pin and infoframe. This is needed e.g. when 1580 * - sink is first plugged-in 1581 * - transcoder can change during stream playback on Haswell 1582 * and this can make HW reset converter selection on a pin. 1583 */ 1584 if (eld->eld_valid && !old_eld_valid && per_pin->setup) { 1585 pin_cvt_fixup(codec, per_pin, 0); 1586 hdmi_setup_audio_infoframe(codec, per_pin, per_pin->non_pcm); 1587 } 1588 1589 if (eld_changed && pcm_idx >= 0) 1590 snd_ctl_notify(codec->card, 1591 SNDRV_CTL_EVENT_MASK_VALUE | 1592 SNDRV_CTL_EVENT_MASK_INFO, 1593 &get_hdmi_pcm(spec, pcm_idx)->eld_ctl->id); 1594 1595 if (eld_changed && pcm_jack) 1596 snd_jack_report(pcm_jack, 1597 (eld->monitor_present && eld->eld_valid) ? 1598 SND_JACK_AVOUT : 0); 1599 } 1600 1601 /* update ELD and jack state via HD-audio verbs */ 1602 static void hdmi_present_sense_via_verbs(struct hdmi_spec_per_pin *per_pin, 1603 int repoll) 1604 { 1605 struct hda_codec *codec = per_pin->codec; 1606 struct hdmi_spec *spec = codec->spec; 1607 struct hdmi_eld *eld = &spec->temp_eld; 1608 struct device *dev = hda_codec_dev(codec); 1609 hda_nid_t pin_nid = per_pin->pin_nid; 1610 int dev_id = per_pin->dev_id; 1611 /* 1612 * Always execute a GetPinSense verb here, even when called from 1613 * hdmi_intrinsic_event; for some NVIDIA HW, the unsolicited 1614 * response's PD bit is not the real PD value, but indicates that 1615 * the real PD value changed. An older version of the HD-audio 1616 * specification worked this way. Hence, we just ignore the data in 1617 * the unsolicited response to avoid custom WARs. 1618 */ 1619 int present; 1620 int ret; 1621 1622 #ifdef CONFIG_PM 1623 if (dev->power.runtime_status == RPM_SUSPENDING) 1624 return; 1625 #endif 1626 1627 ret = snd_hda_power_up_pm(codec); 1628 if (ret < 0 && pm_runtime_suspended(dev)) 1629 goto out; 1630 1631 present = snd_hda_jack_pin_sense(codec, pin_nid, dev_id); 1632 1633 mutex_lock(&per_pin->lock); 1634 eld->monitor_present = !!(present & AC_PINSENSE_PRESENCE); 1635 if (eld->monitor_present) 1636 eld->eld_valid = !!(present & AC_PINSENSE_ELDV); 1637 else 1638 eld->eld_valid = false; 1639 1640 codec_dbg(codec, 1641 "HDMI status: Codec=%d NID=0x%x Presence_Detect=%d ELD_Valid=%d\n", 1642 codec->addr, pin_nid, eld->monitor_present, eld->eld_valid); 1643 1644 if (eld->eld_valid) { 1645 if (spec->ops.pin_get_eld(codec, pin_nid, dev_id, 1646 eld->eld_buffer, &eld->eld_size) < 0) 1647 eld->eld_valid = false; 1648 } 1649 1650 update_eld(codec, per_pin, eld, repoll); 1651 mutex_unlock(&per_pin->lock); 1652 out: 1653 snd_hda_power_down_pm(codec); 1654 } 1655 1656 #define I915_SILENT_RATE 48000 1657 #define I915_SILENT_CHANNELS 2 1658 #define I915_SILENT_FORMAT_BITS 16 1659 #define I915_SILENT_FMT_MASK 0xf 1660 1661 static void silent_stream_enable_i915(struct hda_codec *codec, 1662 struct hdmi_spec_per_pin *per_pin) 1663 { 1664 unsigned int format; 1665 1666 snd_hdac_sync_audio_rate(&codec->core, per_pin->pin_nid, 1667 per_pin->dev_id, I915_SILENT_RATE); 1668 1669 /* trigger silent stream generation in hw */ 1670 format = snd_hdac_stream_format(I915_SILENT_CHANNELS, I915_SILENT_FORMAT_BITS, 1671 I915_SILENT_RATE); 1672 snd_hda_codec_setup_stream(codec, per_pin->cvt_nid, 1673 I915_SILENT_FMT_MASK, I915_SILENT_FMT_MASK, format); 1674 usleep_range(100, 200); 1675 snd_hda_codec_setup_stream(codec, per_pin->cvt_nid, I915_SILENT_FMT_MASK, 0, format); 1676 1677 per_pin->channels = I915_SILENT_CHANNELS; 1678 hdmi_setup_audio_infoframe(codec, per_pin, per_pin->non_pcm); 1679 } 1680 1681 static void silent_stream_set_kae(struct hda_codec *codec, 1682 struct hdmi_spec_per_pin *per_pin, 1683 bool enable) 1684 { 1685 unsigned int param; 1686 1687 codec_dbg(codec, "HDMI: KAE %d cvt-NID=0x%x\n", enable, per_pin->cvt_nid); 1688 1689 param = snd_hda_codec_read(codec, per_pin->cvt_nid, 0, AC_VERB_GET_DIGI_CONVERT_1, 0); 1690 param = (param >> 16) & 0xff; 1691 1692 if (enable) 1693 param |= AC_DIG3_KAE; 1694 else 1695 param &= ~AC_DIG3_KAE; 1696 1697 snd_hda_codec_write(codec, per_pin->cvt_nid, 0, AC_VERB_SET_DIGI_CONVERT_3, param); 1698 } 1699 1700 static void silent_stream_enable(struct hda_codec *codec, 1701 struct hdmi_spec_per_pin *per_pin) 1702 { 1703 struct hdmi_spec *spec = codec->spec; 1704 struct hdmi_spec_per_cvt *per_cvt; 1705 int cvt_idx, pin_idx, err; 1706 int keep_power = 0; 1707 1708 /* 1709 * Power-up will call hdmi_present_sense, so the PM calls 1710 * have to be done without mutex held. 1711 */ 1712 1713 err = snd_hda_power_up_pm(codec); 1714 if (err < 0 && err != -EACCES) { 1715 codec_err(codec, 1716 "Failed to power up codec for silent stream enable ret=[%d]\n", err); 1717 snd_hda_power_down_pm(codec); 1718 return; 1719 } 1720 1721 mutex_lock(&per_pin->lock); 1722 1723 if (per_pin->setup) { 1724 codec_dbg(codec, "hdmi: PCM already open, no silent stream\n"); 1725 err = -EBUSY; 1726 goto unlock_out; 1727 } 1728 1729 pin_idx = pin_id_to_pin_index(codec, per_pin->pin_nid, per_pin->dev_id); 1730 err = hdmi_choose_cvt(codec, pin_idx, &cvt_idx, true); 1731 if (err) { 1732 codec_err(codec, "hdmi: no free converter to enable silent mode\n"); 1733 goto unlock_out; 1734 } 1735 1736 per_cvt = get_cvt(spec, cvt_idx); 1737 per_cvt->silent_stream = true; 1738 per_pin->cvt_nid = per_cvt->cvt_nid; 1739 per_pin->silent_stream = true; 1740 1741 codec_dbg(codec, "hdmi: enabling silent stream pin-NID=0x%x cvt-NID=0x%x\n", 1742 per_pin->pin_nid, per_cvt->cvt_nid); 1743 1744 snd_hda_set_dev_select(codec, per_pin->pin_nid, per_pin->dev_id); 1745 snd_hda_codec_write_cache(codec, per_pin->pin_nid, 0, 1746 AC_VERB_SET_CONNECT_SEL, 1747 per_pin->mux_idx); 1748 1749 /* configure unused pins to choose other converters */ 1750 pin_cvt_fixup(codec, per_pin, 0); 1751 1752 switch (spec->silent_stream_type) { 1753 case SILENT_STREAM_KAE: 1754 silent_stream_enable_i915(codec, per_pin); 1755 silent_stream_set_kae(codec, per_pin, true); 1756 break; 1757 case SILENT_STREAM_I915: 1758 silent_stream_enable_i915(codec, per_pin); 1759 keep_power = 1; 1760 break; 1761 default: 1762 break; 1763 } 1764 1765 unlock_out: 1766 mutex_unlock(&per_pin->lock); 1767 1768 if (err || !keep_power) 1769 snd_hda_power_down_pm(codec); 1770 } 1771 1772 static void silent_stream_disable(struct hda_codec *codec, 1773 struct hdmi_spec_per_pin *per_pin) 1774 { 1775 struct hdmi_spec *spec = codec->spec; 1776 struct hdmi_spec_per_cvt *per_cvt; 1777 int cvt_idx, err; 1778 1779 err = snd_hda_power_up_pm(codec); 1780 if (err < 0 && err != -EACCES) { 1781 codec_err(codec, 1782 "Failed to power up codec for silent stream disable ret=[%d]\n", 1783 err); 1784 snd_hda_power_down_pm(codec); 1785 return; 1786 } 1787 1788 mutex_lock(&per_pin->lock); 1789 if (!per_pin->silent_stream) 1790 goto unlock_out; 1791 1792 codec_dbg(codec, "HDMI: disable silent stream on pin-NID=0x%x cvt-NID=0x%x\n", 1793 per_pin->pin_nid, per_pin->cvt_nid); 1794 1795 cvt_idx = cvt_nid_to_cvt_index(codec, per_pin->cvt_nid); 1796 if (cvt_idx >= 0 && cvt_idx < spec->num_cvts) { 1797 per_cvt = get_cvt(spec, cvt_idx); 1798 per_cvt->silent_stream = false; 1799 } 1800 1801 if (spec->silent_stream_type == SILENT_STREAM_I915) { 1802 /* release ref taken in silent_stream_enable() */ 1803 snd_hda_power_down_pm(codec); 1804 } else if (spec->silent_stream_type == SILENT_STREAM_KAE) { 1805 silent_stream_set_kae(codec, per_pin, false); 1806 } 1807 1808 per_pin->cvt_nid = 0; 1809 per_pin->silent_stream = false; 1810 1811 unlock_out: 1812 mutex_unlock(&per_pin->lock); 1813 1814 snd_hda_power_down_pm(codec); 1815 } 1816 1817 /* update ELD and jack state via audio component */ 1818 static void sync_eld_via_acomp(struct hda_codec *codec, 1819 struct hdmi_spec_per_pin *per_pin) 1820 { 1821 struct hdmi_spec *spec = codec->spec; 1822 struct hdmi_eld *eld = &spec->temp_eld; 1823 bool monitor_prev, monitor_next; 1824 1825 mutex_lock(&per_pin->lock); 1826 eld->monitor_present = false; 1827 monitor_prev = per_pin->sink_eld.monitor_present; 1828 eld->eld_size = snd_hdac_acomp_get_eld(&codec->core, per_pin->pin_nid, 1829 per_pin->dev_id, &eld->monitor_present, 1830 eld->eld_buffer, ELD_MAX_SIZE); 1831 eld->eld_valid = (eld->eld_size > 0); 1832 update_eld(codec, per_pin, eld, 0); 1833 monitor_next = per_pin->sink_eld.monitor_present; 1834 mutex_unlock(&per_pin->lock); 1835 1836 if (spec->silent_stream_type) { 1837 if (!monitor_prev && monitor_next) 1838 silent_stream_enable(codec, per_pin); 1839 else if (monitor_prev && !monitor_next) 1840 silent_stream_disable(codec, per_pin); 1841 } 1842 } 1843 1844 static void hdmi_present_sense(struct hdmi_spec_per_pin *per_pin, int repoll) 1845 { 1846 struct hda_codec *codec = per_pin->codec; 1847 1848 if (!codec_has_acomp(codec)) 1849 hdmi_present_sense_via_verbs(per_pin, repoll); 1850 else 1851 sync_eld_via_acomp(codec, per_pin); 1852 } 1853 1854 static void hdmi_repoll_eld(struct work_struct *work) 1855 { 1856 struct hdmi_spec_per_pin *per_pin = 1857 container_of(to_delayed_work(work), struct hdmi_spec_per_pin, work); 1858 struct hda_codec *codec = per_pin->codec; 1859 struct hdmi_spec *spec = codec->spec; 1860 struct hda_jack_tbl *jack; 1861 1862 jack = snd_hda_jack_tbl_get_mst(codec, per_pin->pin_nid, 1863 per_pin->dev_id); 1864 if (jack) 1865 jack->jack_dirty = 1; 1866 1867 if (per_pin->repoll_count++ > 6) 1868 per_pin->repoll_count = 0; 1869 1870 mutex_lock(&spec->pcm_lock); 1871 hdmi_present_sense(per_pin, per_pin->repoll_count); 1872 mutex_unlock(&spec->pcm_lock); 1873 } 1874 1875 static int hdmi_add_pin(struct hda_codec *codec, hda_nid_t pin_nid) 1876 { 1877 struct hdmi_spec *spec = codec->spec; 1878 unsigned int caps, config; 1879 int pin_idx; 1880 struct hdmi_spec_per_pin *per_pin; 1881 int err; 1882 int dev_num, i; 1883 1884 caps = snd_hda_query_pin_caps(codec, pin_nid); 1885 if (!(caps & (AC_PINCAP_HDMI | AC_PINCAP_DP))) 1886 return 0; 1887 1888 /* 1889 * For DP MST audio, Configuration Default is the same for 1890 * all device entries on the same pin 1891 */ 1892 config = snd_hda_codec_get_pincfg(codec, pin_nid); 1893 if (get_defcfg_connect(config) == AC_JACK_PORT_NONE && 1894 !spec->force_connect) 1895 return 0; 1896 1897 /* 1898 * To simplify the implementation, malloc all 1899 * the virtual pins in the initialization statically 1900 */ 1901 if (spec->intel_hsw_fixup) { 1902 /* 1903 * On Intel platforms, device entries count returned 1904 * by AC_PAR_DEVLIST_LEN is dynamic, and depends on 1905 * the type of receiver that is connected. Allocate pin 1906 * structures based on worst case. 1907 */ 1908 dev_num = spec->dev_num; 1909 } else if (codec->dp_mst) { 1910 dev_num = snd_hda_get_num_devices(codec, pin_nid) + 1; 1911 /* 1912 * spec->dev_num is the maxinum number of device entries 1913 * among all the pins 1914 */ 1915 spec->dev_num = (spec->dev_num > dev_num) ? 1916 spec->dev_num : dev_num; 1917 } else { 1918 /* 1919 * If the platform doesn't support DP MST, 1920 * manually set dev_num to 1. This means 1921 * the pin has only one device entry. 1922 */ 1923 dev_num = 1; 1924 spec->dev_num = 1; 1925 } 1926 1927 for (i = 0; i < dev_num; i++) { 1928 pin_idx = spec->num_pins; 1929 per_pin = snd_array_new(&spec->pins); 1930 1931 if (!per_pin) 1932 return -ENOMEM; 1933 1934 per_pin->pcm = NULL; 1935 per_pin->pcm_idx = -1; 1936 per_pin->prev_pcm_idx = -1; 1937 per_pin->pin_nid = pin_nid; 1938 per_pin->pin_nid_idx = spec->num_nids; 1939 per_pin->dev_id = i; 1940 per_pin->non_pcm = false; 1941 snd_hda_set_dev_select(codec, pin_nid, i); 1942 err = hdmi_read_pin_conn(codec, pin_idx); 1943 if (err < 0) 1944 return err; 1945 if (!is_jack_detectable(codec, pin_nid)) 1946 codec_warn(codec, "HDMI: pin NID 0x%x - jack not detectable\n", pin_nid); 1947 spec->num_pins++; 1948 } 1949 spec->num_nids++; 1950 1951 return 0; 1952 } 1953 1954 static int hdmi_add_cvt(struct hda_codec *codec, hda_nid_t cvt_nid) 1955 { 1956 struct hdmi_spec *spec = codec->spec; 1957 struct hdmi_spec_per_cvt *per_cvt; 1958 unsigned int chans; 1959 int err; 1960 1961 chans = get_wcaps(codec, cvt_nid); 1962 chans = get_wcaps_channels(chans); 1963 1964 per_cvt = snd_array_new(&spec->cvts); 1965 if (!per_cvt) 1966 return -ENOMEM; 1967 1968 per_cvt->cvt_nid = cvt_nid; 1969 per_cvt->channels_min = 2; 1970 if (chans <= 16) { 1971 per_cvt->channels_max = chans; 1972 if (chans > spec->chmap.channels_max) 1973 spec->chmap.channels_max = chans; 1974 } 1975 1976 err = snd_hda_query_supported_pcm(codec, cvt_nid, 1977 &per_cvt->rates, 1978 &per_cvt->formats, 1979 NULL, 1980 &per_cvt->maxbps); 1981 if (err < 0) 1982 return err; 1983 1984 if (spec->num_cvts < ARRAY_SIZE(spec->cvt_nids)) 1985 spec->cvt_nids[spec->num_cvts] = cvt_nid; 1986 spec->num_cvts++; 1987 1988 return 0; 1989 } 1990 1991 static const struct snd_pci_quirk force_connect_list[] = { 1992 SND_PCI_QUIRK(0x103c, 0x83e2, "HP EliteDesk 800 G4", 1), 1993 SND_PCI_QUIRK(0x103c, 0x83ef, "HP MP9 G4 Retail System AMS", 1), 1994 SND_PCI_QUIRK(0x103c, 0x870f, "HP", 1), 1995 SND_PCI_QUIRK(0x103c, 0x871a, "HP", 1), 1996 SND_PCI_QUIRK(0x103c, 0x8711, "HP", 1), 1997 SND_PCI_QUIRK(0x103c, 0x8715, "HP", 1), 1998 SND_PCI_QUIRK(0x1043, 0x86ae, "ASUS", 1), /* Z170 PRO */ 1999 SND_PCI_QUIRK(0x1043, 0x86c7, "ASUS", 1), /* Z170M PLUS */ 2000 SND_PCI_QUIRK(0x1462, 0xec94, "MS-7C94", 1), 2001 SND_PCI_QUIRK(0x8086, 0x2060, "Intel NUC5CPYB", 1), 2002 SND_PCI_QUIRK(0x8086, 0x2081, "Intel NUC 10", 1), 2003 {} 2004 }; 2005 2006 static int hdmi_parse_codec(struct hda_codec *codec) 2007 { 2008 struct hdmi_spec *spec = codec->spec; 2009 hda_nid_t start_nid; 2010 unsigned int caps; 2011 int i, nodes; 2012 const struct snd_pci_quirk *q; 2013 2014 nodes = snd_hda_get_sub_nodes(codec, codec->core.afg, &start_nid); 2015 if (!start_nid || nodes < 0) { 2016 codec_warn(codec, "HDMI: failed to get afg sub nodes\n"); 2017 return -EINVAL; 2018 } 2019 2020 if (enable_all_pins) 2021 spec->force_connect = true; 2022 2023 q = snd_pci_quirk_lookup(codec->bus->pci, force_connect_list); 2024 2025 if (q && q->value) 2026 spec->force_connect = true; 2027 2028 /* 2029 * hdmi_add_pin() assumes total amount of converters to 2030 * be known, so first discover all converters 2031 */ 2032 for (i = 0; i < nodes; i++) { 2033 hda_nid_t nid = start_nid + i; 2034 2035 caps = get_wcaps(codec, nid); 2036 2037 if (!(caps & AC_WCAP_DIGITAL)) 2038 continue; 2039 2040 if (get_wcaps_type(caps) == AC_WID_AUD_OUT) 2041 hdmi_add_cvt(codec, nid); 2042 } 2043 2044 /* discover audio pins */ 2045 for (i = 0; i < nodes; i++) { 2046 hda_nid_t nid = start_nid + i; 2047 2048 caps = get_wcaps(codec, nid); 2049 2050 if (!(caps & AC_WCAP_DIGITAL)) 2051 continue; 2052 2053 if (get_wcaps_type(caps) == AC_WID_PIN) 2054 hdmi_add_pin(codec, nid); 2055 } 2056 2057 return 0; 2058 } 2059 2060 /* 2061 */ 2062 static bool check_non_pcm_per_cvt(struct hda_codec *codec, hda_nid_t cvt_nid) 2063 { 2064 struct hda_spdif_out *spdif; 2065 bool non_pcm; 2066 2067 mutex_lock(&codec->spdif_mutex); 2068 spdif = snd_hda_spdif_out_of_nid(codec, cvt_nid); 2069 /* Add sanity check to pass klockwork check. 2070 * This should never happen. 2071 */ 2072 if (WARN_ON(spdif == NULL)) { 2073 mutex_unlock(&codec->spdif_mutex); 2074 return true; 2075 } 2076 non_pcm = !!(spdif->status & IEC958_AES0_NONAUDIO); 2077 mutex_unlock(&codec->spdif_mutex); 2078 return non_pcm; 2079 } 2080 2081 /* 2082 * HDMI callbacks 2083 */ 2084 2085 static int generic_hdmi_playback_pcm_prepare(struct hda_pcm_stream *hinfo, 2086 struct hda_codec *codec, 2087 unsigned int stream_tag, 2088 unsigned int format, 2089 struct snd_pcm_substream *substream) 2090 { 2091 hda_nid_t cvt_nid = hinfo->nid; 2092 struct hdmi_spec *spec = codec->spec; 2093 int pin_idx; 2094 struct hdmi_spec_per_pin *per_pin; 2095 struct snd_pcm_runtime *runtime = substream->runtime; 2096 bool non_pcm; 2097 int pinctl, stripe; 2098 int err = 0; 2099 2100 mutex_lock(&spec->pcm_lock); 2101 pin_idx = hinfo_to_pin_index(codec, hinfo); 2102 if (pin_idx < 0) { 2103 /* when pcm is not bound to a pin skip pin setup and return 0 2104 * to make audio playback be ongoing 2105 */ 2106 pin_cvt_fixup(codec, NULL, cvt_nid); 2107 snd_hda_codec_setup_stream(codec, cvt_nid, 2108 stream_tag, 0, format); 2109 goto unlock; 2110 } 2111 2112 per_pin = get_pin(spec, pin_idx); 2113 2114 /* Verify pin:cvt selections to avoid silent audio after S3. 2115 * After S3, the audio driver restores pin:cvt selections 2116 * but this can happen before gfx is ready and such selection 2117 * is overlooked by HW. Thus multiple pins can share a same 2118 * default convertor and mute control will affect each other, 2119 * which can cause a resumed audio playback become silent 2120 * after S3. 2121 */ 2122 pin_cvt_fixup(codec, per_pin, 0); 2123 2124 /* Call sync_audio_rate to set the N/CTS/M manually if necessary */ 2125 /* Todo: add DP1.2 MST audio support later */ 2126 if (codec_has_acomp(codec)) 2127 snd_hdac_sync_audio_rate(&codec->core, per_pin->pin_nid, 2128 per_pin->dev_id, runtime->rate); 2129 2130 non_pcm = check_non_pcm_per_cvt(codec, cvt_nid); 2131 mutex_lock(&per_pin->lock); 2132 per_pin->channels = substream->runtime->channels; 2133 per_pin->setup = true; 2134 2135 if (get_wcaps(codec, cvt_nid) & AC_WCAP_STRIPE) { 2136 stripe = snd_hdac_get_stream_stripe_ctl(&codec->bus->core, 2137 substream); 2138 snd_hda_codec_write(codec, cvt_nid, 0, 2139 AC_VERB_SET_STRIPE_CONTROL, 2140 stripe); 2141 } 2142 2143 hdmi_setup_audio_infoframe(codec, per_pin, non_pcm); 2144 mutex_unlock(&per_pin->lock); 2145 if (spec->dyn_pin_out) { 2146 snd_hda_set_dev_select(codec, per_pin->pin_nid, 2147 per_pin->dev_id); 2148 pinctl = snd_hda_codec_read(codec, per_pin->pin_nid, 0, 2149 AC_VERB_GET_PIN_WIDGET_CONTROL, 0); 2150 snd_hda_codec_write(codec, per_pin->pin_nid, 0, 2151 AC_VERB_SET_PIN_WIDGET_CONTROL, 2152 pinctl | PIN_OUT); 2153 } 2154 2155 /* snd_hda_set_dev_select() has been called before */ 2156 err = spec->ops.setup_stream(codec, cvt_nid, per_pin->pin_nid, 2157 per_pin->dev_id, stream_tag, format); 2158 unlock: 2159 mutex_unlock(&spec->pcm_lock); 2160 return err; 2161 } 2162 2163 static int generic_hdmi_playback_pcm_cleanup(struct hda_pcm_stream *hinfo, 2164 struct hda_codec *codec, 2165 struct snd_pcm_substream *substream) 2166 { 2167 snd_hda_codec_cleanup_stream(codec, hinfo->nid); 2168 return 0; 2169 } 2170 2171 static int hdmi_pcm_close(struct hda_pcm_stream *hinfo, 2172 struct hda_codec *codec, 2173 struct snd_pcm_substream *substream) 2174 { 2175 struct hdmi_spec *spec = codec->spec; 2176 int cvt_idx, pin_idx, pcm_idx; 2177 struct hdmi_spec_per_cvt *per_cvt; 2178 struct hdmi_spec_per_pin *per_pin; 2179 int pinctl; 2180 int err = 0; 2181 2182 mutex_lock(&spec->pcm_lock); 2183 if (hinfo->nid) { 2184 pcm_idx = hinfo_to_pcm_index(codec, hinfo); 2185 if (snd_BUG_ON(pcm_idx < 0)) { 2186 err = -EINVAL; 2187 goto unlock; 2188 } 2189 cvt_idx = cvt_nid_to_cvt_index(codec, hinfo->nid); 2190 if (snd_BUG_ON(cvt_idx < 0)) { 2191 err = -EINVAL; 2192 goto unlock; 2193 } 2194 per_cvt = get_cvt(spec, cvt_idx); 2195 per_cvt->assigned = false; 2196 hinfo->nid = 0; 2197 2198 azx_stream(get_azx_dev(substream))->stripe = 0; 2199 2200 snd_hda_spdif_ctls_unassign(codec, pcm_idx); 2201 clear_bit(pcm_idx, &spec->pcm_in_use); 2202 pin_idx = hinfo_to_pin_index(codec, hinfo); 2203 /* 2204 * In such a case, return 0 to match the behavior in 2205 * hdmi_pcm_open() 2206 */ 2207 if (pin_idx < 0) 2208 goto unlock; 2209 2210 per_pin = get_pin(spec, pin_idx); 2211 2212 if (spec->dyn_pin_out) { 2213 snd_hda_set_dev_select(codec, per_pin->pin_nid, 2214 per_pin->dev_id); 2215 pinctl = snd_hda_codec_read(codec, per_pin->pin_nid, 0, 2216 AC_VERB_GET_PIN_WIDGET_CONTROL, 0); 2217 snd_hda_codec_write(codec, per_pin->pin_nid, 0, 2218 AC_VERB_SET_PIN_WIDGET_CONTROL, 2219 pinctl & ~PIN_OUT); 2220 } 2221 2222 mutex_lock(&per_pin->lock); 2223 per_pin->chmap_set = false; 2224 memset(per_pin->chmap, 0, sizeof(per_pin->chmap)); 2225 2226 per_pin->setup = false; 2227 per_pin->channels = 0; 2228 mutex_unlock(&per_pin->lock); 2229 } 2230 2231 unlock: 2232 mutex_unlock(&spec->pcm_lock); 2233 2234 return err; 2235 } 2236 2237 static const struct hda_pcm_ops generic_ops = { 2238 .open = hdmi_pcm_open, 2239 .close = hdmi_pcm_close, 2240 .prepare = generic_hdmi_playback_pcm_prepare, 2241 .cleanup = generic_hdmi_playback_pcm_cleanup, 2242 }; 2243 2244 static int hdmi_get_spk_alloc(struct hdac_device *hdac, int pcm_idx) 2245 { 2246 struct hda_codec *codec = hdac_to_hda_codec(hdac); 2247 struct hdmi_spec *spec = codec->spec; 2248 struct hdmi_spec_per_pin *per_pin = pcm_idx_to_pin(spec, pcm_idx); 2249 2250 if (!per_pin) 2251 return 0; 2252 2253 return per_pin->sink_eld.info.spk_alloc; 2254 } 2255 2256 static void hdmi_get_chmap(struct hdac_device *hdac, int pcm_idx, 2257 unsigned char *chmap) 2258 { 2259 struct hda_codec *codec = hdac_to_hda_codec(hdac); 2260 struct hdmi_spec *spec = codec->spec; 2261 struct hdmi_spec_per_pin *per_pin = pcm_idx_to_pin(spec, pcm_idx); 2262 2263 /* chmap is already set to 0 in caller */ 2264 if (!per_pin) 2265 return; 2266 2267 memcpy(chmap, per_pin->chmap, ARRAY_SIZE(per_pin->chmap)); 2268 } 2269 2270 static void hdmi_set_chmap(struct hdac_device *hdac, int pcm_idx, 2271 unsigned char *chmap, int prepared) 2272 { 2273 struct hda_codec *codec = hdac_to_hda_codec(hdac); 2274 struct hdmi_spec *spec = codec->spec; 2275 struct hdmi_spec_per_pin *per_pin = pcm_idx_to_pin(spec, pcm_idx); 2276 2277 if (!per_pin) 2278 return; 2279 mutex_lock(&per_pin->lock); 2280 per_pin->chmap_set = true; 2281 memcpy(per_pin->chmap, chmap, ARRAY_SIZE(per_pin->chmap)); 2282 if (prepared) 2283 hdmi_setup_audio_infoframe(codec, per_pin, per_pin->non_pcm); 2284 mutex_unlock(&per_pin->lock); 2285 } 2286 2287 static bool is_hdmi_pcm_attached(struct hdac_device *hdac, int pcm_idx) 2288 { 2289 struct hda_codec *codec = hdac_to_hda_codec(hdac); 2290 struct hdmi_spec *spec = codec->spec; 2291 struct hdmi_spec_per_pin *per_pin = pcm_idx_to_pin(spec, pcm_idx); 2292 2293 return per_pin ? true:false; 2294 } 2295 2296 static int generic_hdmi_build_pcms(struct hda_codec *codec) 2297 { 2298 struct hdmi_spec *spec = codec->spec; 2299 int idx, pcm_num; 2300 2301 /* limit the PCM devices to the codec converters or available PINs */ 2302 pcm_num = min(spec->num_cvts, spec->num_pins); 2303 codec_dbg(codec, "hdmi: pcm_num set to %d\n", pcm_num); 2304 2305 for (idx = 0; idx < pcm_num; idx++) { 2306 struct hdmi_spec_per_cvt *per_cvt; 2307 struct hda_pcm *info; 2308 struct hda_pcm_stream *pstr; 2309 2310 info = snd_hda_codec_pcm_new(codec, "HDMI %d", idx); 2311 if (!info) 2312 return -ENOMEM; 2313 2314 spec->pcm_rec[idx].pcm = info; 2315 spec->pcm_used++; 2316 info->pcm_type = HDA_PCM_TYPE_HDMI; 2317 info->own_chmap = true; 2318 2319 pstr = &info->stream[SNDRV_PCM_STREAM_PLAYBACK]; 2320 pstr->substreams = 1; 2321 pstr->ops = generic_ops; 2322 2323 per_cvt = get_cvt(spec, 0); 2324 pstr->channels_min = per_cvt->channels_min; 2325 pstr->channels_max = per_cvt->channels_max; 2326 2327 /* pcm number is less than pcm_rec array size */ 2328 if (spec->pcm_used >= ARRAY_SIZE(spec->pcm_rec)) 2329 break; 2330 /* other pstr fields are set in open */ 2331 } 2332 2333 return 0; 2334 } 2335 2336 static void free_hdmi_jack_priv(struct snd_jack *jack) 2337 { 2338 struct hdmi_pcm *pcm = jack->private_data; 2339 2340 pcm->jack = NULL; 2341 } 2342 2343 static int generic_hdmi_build_jack(struct hda_codec *codec, int pcm_idx) 2344 { 2345 char hdmi_str[32] = "HDMI/DP"; 2346 struct hdmi_spec *spec = codec->spec; 2347 struct snd_jack *jack; 2348 int pcmdev = get_pcm_rec(spec, pcm_idx)->device; 2349 int err; 2350 2351 if (pcmdev > 0) 2352 sprintf(hdmi_str + strlen(hdmi_str), ",pcm=%d", pcmdev); 2353 2354 err = snd_jack_new(codec->card, hdmi_str, SND_JACK_AVOUT, &jack, 2355 true, false); 2356 if (err < 0) 2357 return err; 2358 2359 spec->pcm_rec[pcm_idx].jack = jack; 2360 jack->private_data = &spec->pcm_rec[pcm_idx]; 2361 jack->private_free = free_hdmi_jack_priv; 2362 return 0; 2363 } 2364 2365 static int generic_hdmi_build_controls(struct hda_codec *codec) 2366 { 2367 struct hdmi_spec *spec = codec->spec; 2368 int dev, err; 2369 int pin_idx, pcm_idx; 2370 2371 for (pcm_idx = 0; pcm_idx < spec->pcm_used; pcm_idx++) { 2372 if (!get_pcm_rec(spec, pcm_idx)->pcm) { 2373 /* no PCM: mark this for skipping permanently */ 2374 set_bit(pcm_idx, &spec->pcm_bitmap); 2375 continue; 2376 } 2377 2378 err = generic_hdmi_build_jack(codec, pcm_idx); 2379 if (err < 0) 2380 return err; 2381 2382 /* create the spdif for each pcm 2383 * pin will be bound when monitor is connected 2384 */ 2385 err = snd_hda_create_dig_out_ctls(codec, 2386 0, spec->cvt_nids[0], 2387 HDA_PCM_TYPE_HDMI); 2388 if (err < 0) 2389 return err; 2390 snd_hda_spdif_ctls_unassign(codec, pcm_idx); 2391 2392 dev = get_pcm_rec(spec, pcm_idx)->device; 2393 if (dev != SNDRV_PCM_INVALID_DEVICE) { 2394 /* add control for ELD Bytes */ 2395 err = hdmi_create_eld_ctl(codec, pcm_idx, dev); 2396 if (err < 0) 2397 return err; 2398 } 2399 } 2400 2401 for (pin_idx = 0; pin_idx < spec->num_pins; pin_idx++) { 2402 struct hdmi_spec_per_pin *per_pin = get_pin(spec, pin_idx); 2403 struct hdmi_eld *pin_eld = &per_pin->sink_eld; 2404 2405 if (spec->static_pcm_mapping) { 2406 hdmi_attach_hda_pcm(spec, per_pin); 2407 hdmi_pcm_setup_pin(spec, per_pin); 2408 } 2409 2410 pin_eld->eld_valid = false; 2411 hdmi_present_sense(per_pin, 0); 2412 } 2413 2414 /* add channel maps */ 2415 for (pcm_idx = 0; pcm_idx < spec->pcm_used; pcm_idx++) { 2416 struct hda_pcm *pcm; 2417 2418 pcm = get_pcm_rec(spec, pcm_idx); 2419 if (!pcm || !pcm->pcm) 2420 break; 2421 err = snd_hdac_add_chmap_ctls(pcm->pcm, pcm_idx, &spec->chmap); 2422 if (err < 0) 2423 return err; 2424 } 2425 2426 return 0; 2427 } 2428 2429 static int generic_hdmi_init_per_pins(struct hda_codec *codec) 2430 { 2431 struct hdmi_spec *spec = codec->spec; 2432 int pin_idx; 2433 2434 for (pin_idx = 0; pin_idx < spec->num_pins; pin_idx++) { 2435 struct hdmi_spec_per_pin *per_pin = get_pin(spec, pin_idx); 2436 2437 per_pin->codec = codec; 2438 mutex_init(&per_pin->lock); 2439 INIT_DELAYED_WORK(&per_pin->work, hdmi_repoll_eld); 2440 eld_proc_new(per_pin, pin_idx); 2441 } 2442 return 0; 2443 } 2444 2445 static int generic_hdmi_init(struct hda_codec *codec) 2446 { 2447 struct hdmi_spec *spec = codec->spec; 2448 int pin_idx; 2449 2450 mutex_lock(&spec->bind_lock); 2451 for (pin_idx = 0; pin_idx < spec->num_pins; pin_idx++) { 2452 struct hdmi_spec_per_pin *per_pin = get_pin(spec, pin_idx); 2453 hda_nid_t pin_nid = per_pin->pin_nid; 2454 int dev_id = per_pin->dev_id; 2455 2456 snd_hda_set_dev_select(codec, pin_nid, dev_id); 2457 hdmi_init_pin(codec, pin_nid); 2458 if (codec_has_acomp(codec)) 2459 continue; 2460 snd_hda_jack_detect_enable_callback_mst(codec, pin_nid, dev_id, 2461 jack_callback); 2462 } 2463 mutex_unlock(&spec->bind_lock); 2464 return 0; 2465 } 2466 2467 static void hdmi_array_init(struct hdmi_spec *spec, int nums) 2468 { 2469 snd_array_init(&spec->pins, sizeof(struct hdmi_spec_per_pin), nums); 2470 snd_array_init(&spec->cvts, sizeof(struct hdmi_spec_per_cvt), nums); 2471 } 2472 2473 static void hdmi_array_free(struct hdmi_spec *spec) 2474 { 2475 snd_array_free(&spec->pins); 2476 snd_array_free(&spec->cvts); 2477 } 2478 2479 static void generic_spec_free(struct hda_codec *codec) 2480 { 2481 struct hdmi_spec *spec = codec->spec; 2482 2483 if (spec) { 2484 hdmi_array_free(spec); 2485 kfree(spec); 2486 codec->spec = NULL; 2487 } 2488 codec->dp_mst = false; 2489 } 2490 2491 static void generic_hdmi_free(struct hda_codec *codec) 2492 { 2493 struct hdmi_spec *spec = codec->spec; 2494 int pin_idx, pcm_idx; 2495 2496 if (spec->acomp_registered) { 2497 snd_hdac_acomp_exit(&codec->bus->core); 2498 } else if (codec_has_acomp(codec)) { 2499 snd_hdac_acomp_register_notifier(&codec->bus->core, NULL); 2500 } 2501 codec->relaxed_resume = 0; 2502 2503 for (pin_idx = 0; pin_idx < spec->num_pins; pin_idx++) { 2504 struct hdmi_spec_per_pin *per_pin = get_pin(spec, pin_idx); 2505 cancel_delayed_work_sync(&per_pin->work); 2506 eld_proc_free(per_pin); 2507 } 2508 2509 for (pcm_idx = 0; pcm_idx < spec->pcm_used; pcm_idx++) { 2510 if (spec->pcm_rec[pcm_idx].jack == NULL) 2511 continue; 2512 snd_device_free(codec->card, spec->pcm_rec[pcm_idx].jack); 2513 } 2514 2515 generic_spec_free(codec); 2516 } 2517 2518 static int generic_hdmi_suspend(struct hda_codec *codec) 2519 { 2520 struct hdmi_spec *spec = codec->spec; 2521 int pin_idx; 2522 2523 for (pin_idx = 0; pin_idx < spec->num_pins; pin_idx++) { 2524 struct hdmi_spec_per_pin *per_pin = get_pin(spec, pin_idx); 2525 cancel_delayed_work_sync(&per_pin->work); 2526 } 2527 return 0; 2528 } 2529 2530 static int generic_hdmi_resume(struct hda_codec *codec) 2531 { 2532 struct hdmi_spec *spec = codec->spec; 2533 int pin_idx; 2534 2535 codec->patch_ops.init(codec); 2536 snd_hda_regmap_sync(codec); 2537 2538 for (pin_idx = 0; pin_idx < spec->num_pins; pin_idx++) { 2539 struct hdmi_spec_per_pin *per_pin = get_pin(spec, pin_idx); 2540 hdmi_present_sense(per_pin, 1); 2541 } 2542 return 0; 2543 } 2544 2545 static const struct hda_codec_ops generic_hdmi_patch_ops = { 2546 .init = generic_hdmi_init, 2547 .free = generic_hdmi_free, 2548 .build_pcms = generic_hdmi_build_pcms, 2549 .build_controls = generic_hdmi_build_controls, 2550 .unsol_event = hdmi_unsol_event, 2551 .suspend = generic_hdmi_suspend, 2552 .resume = generic_hdmi_resume, 2553 }; 2554 2555 static const struct hdmi_ops generic_standard_hdmi_ops = { 2556 .pin_get_eld = hdmi_pin_get_eld, 2557 .pin_setup_infoframe = hdmi_pin_setup_infoframe, 2558 .pin_hbr_setup = hdmi_pin_hbr_setup, 2559 .setup_stream = hdmi_setup_stream, 2560 }; 2561 2562 /* allocate codec->spec and assign/initialize generic parser ops */ 2563 static int alloc_generic_hdmi(struct hda_codec *codec) 2564 { 2565 struct hdmi_spec *spec; 2566 2567 spec = kzalloc(sizeof(*spec), GFP_KERNEL); 2568 if (!spec) 2569 return -ENOMEM; 2570 2571 spec->codec = codec; 2572 spec->ops = generic_standard_hdmi_ops; 2573 spec->dev_num = 1; /* initialize to 1 */ 2574 mutex_init(&spec->pcm_lock); 2575 mutex_init(&spec->bind_lock); 2576 snd_hdac_register_chmap_ops(&codec->core, &spec->chmap); 2577 2578 spec->chmap.ops.get_chmap = hdmi_get_chmap; 2579 spec->chmap.ops.set_chmap = hdmi_set_chmap; 2580 spec->chmap.ops.is_pcm_attached = is_hdmi_pcm_attached; 2581 spec->chmap.ops.get_spk_alloc = hdmi_get_spk_alloc; 2582 2583 codec->spec = spec; 2584 hdmi_array_init(spec, 4); 2585 2586 codec->patch_ops = generic_hdmi_patch_ops; 2587 2588 return 0; 2589 } 2590 2591 /* generic HDMI parser */ 2592 static int patch_generic_hdmi(struct hda_codec *codec) 2593 { 2594 int err; 2595 2596 err = alloc_generic_hdmi(codec); 2597 if (err < 0) 2598 return err; 2599 2600 err = hdmi_parse_codec(codec); 2601 if (err < 0) { 2602 generic_spec_free(codec); 2603 return err; 2604 } 2605 2606 generic_hdmi_init_per_pins(codec); 2607 return 0; 2608 } 2609 2610 /* 2611 * generic audio component binding 2612 */ 2613 2614 /* turn on / off the unsol event jack detection dynamically */ 2615 static void reprogram_jack_detect(struct hda_codec *codec, hda_nid_t nid, 2616 int dev_id, bool use_acomp) 2617 { 2618 struct hda_jack_tbl *tbl; 2619 2620 tbl = snd_hda_jack_tbl_get_mst(codec, nid, dev_id); 2621 if (tbl) { 2622 /* clear unsol even if component notifier is used, or re-enable 2623 * if notifier is cleared 2624 */ 2625 unsigned int val = use_acomp ? 0 : (AC_USRSP_EN | tbl->tag); 2626 snd_hda_codec_write_cache(codec, nid, 0, 2627 AC_VERB_SET_UNSOLICITED_ENABLE, val); 2628 } 2629 } 2630 2631 /* set up / clear component notifier dynamically */ 2632 static void generic_acomp_notifier_set(struct drm_audio_component *acomp, 2633 bool use_acomp) 2634 { 2635 struct hdmi_spec *spec; 2636 int i; 2637 2638 spec = container_of(acomp->audio_ops, struct hdmi_spec, drm_audio_ops); 2639 mutex_lock(&spec->bind_lock); 2640 spec->use_acomp_notifier = use_acomp; 2641 spec->codec->relaxed_resume = use_acomp; 2642 spec->codec->bus->keep_power = 0; 2643 /* reprogram each jack detection logic depending on the notifier */ 2644 for (i = 0; i < spec->num_pins; i++) 2645 reprogram_jack_detect(spec->codec, 2646 get_pin(spec, i)->pin_nid, 2647 get_pin(spec, i)->dev_id, 2648 use_acomp); 2649 mutex_unlock(&spec->bind_lock); 2650 } 2651 2652 /* enable / disable the notifier via master bind / unbind */ 2653 static int generic_acomp_master_bind(struct device *dev, 2654 struct drm_audio_component *acomp) 2655 { 2656 generic_acomp_notifier_set(acomp, true); 2657 return 0; 2658 } 2659 2660 static void generic_acomp_master_unbind(struct device *dev, 2661 struct drm_audio_component *acomp) 2662 { 2663 generic_acomp_notifier_set(acomp, false); 2664 } 2665 2666 /* check whether both HD-audio and DRM PCI devices belong to the same bus */ 2667 static int match_bound_vga(struct device *dev, int subtype, void *data) 2668 { 2669 struct hdac_bus *bus = data; 2670 struct pci_dev *pci, *master; 2671 2672 if (!dev_is_pci(dev) || !dev_is_pci(bus->dev)) 2673 return 0; 2674 master = to_pci_dev(bus->dev); 2675 pci = to_pci_dev(dev); 2676 return master->bus == pci->bus; 2677 } 2678 2679 /* audio component notifier for AMD/Nvidia HDMI codecs */ 2680 static void generic_acomp_pin_eld_notify(void *audio_ptr, int port, int dev_id) 2681 { 2682 struct hda_codec *codec = audio_ptr; 2683 struct hdmi_spec *spec = codec->spec; 2684 hda_nid_t pin_nid = spec->port2pin(codec, port); 2685 2686 if (!pin_nid) 2687 return; 2688 if (get_wcaps_type(get_wcaps(codec, pin_nid)) != AC_WID_PIN) 2689 return; 2690 /* skip notification during system suspend (but not in runtime PM); 2691 * the state will be updated at resume 2692 */ 2693 if (codec->core.dev.power.power_state.event == PM_EVENT_SUSPEND) 2694 return; 2695 2696 check_presence_and_report(codec, pin_nid, dev_id); 2697 } 2698 2699 /* set up the private drm_audio_ops from the template */ 2700 static void setup_drm_audio_ops(struct hda_codec *codec, 2701 const struct drm_audio_component_audio_ops *ops) 2702 { 2703 struct hdmi_spec *spec = codec->spec; 2704 2705 spec->drm_audio_ops.audio_ptr = codec; 2706 /* intel_audio_codec_enable() or intel_audio_codec_disable() 2707 * will call pin_eld_notify with using audio_ptr pointer 2708 * We need make sure audio_ptr is really setup 2709 */ 2710 wmb(); 2711 spec->drm_audio_ops.pin2port = ops->pin2port; 2712 spec->drm_audio_ops.pin_eld_notify = ops->pin_eld_notify; 2713 spec->drm_audio_ops.master_bind = ops->master_bind; 2714 spec->drm_audio_ops.master_unbind = ops->master_unbind; 2715 } 2716 2717 /* initialize the generic HDMI audio component */ 2718 static void generic_acomp_init(struct hda_codec *codec, 2719 const struct drm_audio_component_audio_ops *ops, 2720 int (*port2pin)(struct hda_codec *, int)) 2721 { 2722 struct hdmi_spec *spec = codec->spec; 2723 2724 if (!enable_acomp) { 2725 codec_info(codec, "audio component disabled by module option\n"); 2726 return; 2727 } 2728 2729 spec->port2pin = port2pin; 2730 setup_drm_audio_ops(codec, ops); 2731 if (!snd_hdac_acomp_init(&codec->bus->core, &spec->drm_audio_ops, 2732 match_bound_vga, 0)) { 2733 spec->acomp_registered = true; 2734 } 2735 } 2736 2737 /* 2738 * Intel codec parsers and helpers 2739 */ 2740 2741 #define INTEL_GET_VENDOR_VERB 0xf81 2742 #define INTEL_SET_VENDOR_VERB 0x781 2743 #define INTEL_EN_DP12 0x02 /* enable DP 1.2 features */ 2744 #define INTEL_EN_ALL_PIN_CVTS 0x01 /* enable 2nd & 3rd pins and convertors */ 2745 2746 static void intel_haswell_enable_all_pins(struct hda_codec *codec, 2747 bool update_tree) 2748 { 2749 unsigned int vendor_param; 2750 struct hdmi_spec *spec = codec->spec; 2751 2752 vendor_param = snd_hda_codec_read(codec, spec->vendor_nid, 0, 2753 INTEL_GET_VENDOR_VERB, 0); 2754 if (vendor_param == -1 || vendor_param & INTEL_EN_ALL_PIN_CVTS) 2755 return; 2756 2757 vendor_param |= INTEL_EN_ALL_PIN_CVTS; 2758 vendor_param = snd_hda_codec_read(codec, spec->vendor_nid, 0, 2759 INTEL_SET_VENDOR_VERB, vendor_param); 2760 if (vendor_param == -1) 2761 return; 2762 2763 if (update_tree) 2764 snd_hda_codec_update_widgets(codec); 2765 } 2766 2767 static void intel_haswell_fixup_enable_dp12(struct hda_codec *codec) 2768 { 2769 unsigned int vendor_param; 2770 struct hdmi_spec *spec = codec->spec; 2771 2772 vendor_param = snd_hda_codec_read(codec, spec->vendor_nid, 0, 2773 INTEL_GET_VENDOR_VERB, 0); 2774 if (vendor_param == -1 || vendor_param & INTEL_EN_DP12) 2775 return; 2776 2777 /* enable DP1.2 mode */ 2778 vendor_param |= INTEL_EN_DP12; 2779 snd_hdac_regmap_add_vendor_verb(&codec->core, INTEL_SET_VENDOR_VERB); 2780 snd_hda_codec_write_cache(codec, spec->vendor_nid, 0, 2781 INTEL_SET_VENDOR_VERB, vendor_param); 2782 } 2783 2784 /* Haswell needs to re-issue the vendor-specific verbs before turning to D0. 2785 * Otherwise you may get severe h/w communication errors. 2786 */ 2787 static void haswell_set_power_state(struct hda_codec *codec, hda_nid_t fg, 2788 unsigned int power_state) 2789 { 2790 if (power_state == AC_PWRST_D0) { 2791 intel_haswell_enable_all_pins(codec, false); 2792 intel_haswell_fixup_enable_dp12(codec); 2793 } 2794 2795 snd_hda_codec_read(codec, fg, 0, AC_VERB_SET_POWER_STATE, power_state); 2796 snd_hda_codec_set_power_to_all(codec, fg, power_state); 2797 } 2798 2799 /* There is a fixed mapping between audio pin node and display port. 2800 * on SNB, IVY, HSW, BSW, SKL, BXT, KBL: 2801 * Pin Widget 5 - PORT B (port = 1 in i915 driver) 2802 * Pin Widget 6 - PORT C (port = 2 in i915 driver) 2803 * Pin Widget 7 - PORT D (port = 3 in i915 driver) 2804 * 2805 * on VLV, ILK: 2806 * Pin Widget 4 - PORT B (port = 1 in i915 driver) 2807 * Pin Widget 5 - PORT C (port = 2 in i915 driver) 2808 * Pin Widget 6 - PORT D (port = 3 in i915 driver) 2809 */ 2810 static int intel_base_nid(struct hda_codec *codec) 2811 { 2812 switch (codec->core.vendor_id) { 2813 case 0x80860054: /* ILK */ 2814 case 0x80862804: /* ILK */ 2815 case 0x80862882: /* VLV */ 2816 return 4; 2817 default: 2818 return 5; 2819 } 2820 } 2821 2822 static int intel_pin2port(void *audio_ptr, int pin_nid) 2823 { 2824 struct hda_codec *codec = audio_ptr; 2825 struct hdmi_spec *spec = codec->spec; 2826 int base_nid, i; 2827 2828 if (!spec->port_num) { 2829 base_nid = intel_base_nid(codec); 2830 if (WARN_ON(pin_nid < base_nid || pin_nid >= base_nid + 3)) 2831 return -1; 2832 return pin_nid - base_nid + 1; 2833 } 2834 2835 /* 2836 * looking for the pin number in the mapping table and return 2837 * the index which indicate the port number 2838 */ 2839 for (i = 0; i < spec->port_num; i++) { 2840 if (pin_nid == spec->port_map[i]) 2841 return i; 2842 } 2843 2844 codec_info(codec, "Can't find the HDMI/DP port for pin NID 0x%x\n", pin_nid); 2845 return -1; 2846 } 2847 2848 static int intel_port2pin(struct hda_codec *codec, int port) 2849 { 2850 struct hdmi_spec *spec = codec->spec; 2851 2852 if (!spec->port_num) { 2853 /* we assume only from port-B to port-D */ 2854 if (port < 1 || port > 3) 2855 return 0; 2856 return port + intel_base_nid(codec) - 1; 2857 } 2858 2859 if (port < 0 || port >= spec->port_num) 2860 return 0; 2861 return spec->port_map[port]; 2862 } 2863 2864 static void intel_pin_eld_notify(void *audio_ptr, int port, int pipe) 2865 { 2866 struct hda_codec *codec = audio_ptr; 2867 int pin_nid; 2868 int dev_id = pipe; 2869 2870 pin_nid = intel_port2pin(codec, port); 2871 if (!pin_nid) 2872 return; 2873 /* skip notification during system suspend (but not in runtime PM); 2874 * the state will be updated at resume 2875 */ 2876 if (codec->core.dev.power.power_state.event == PM_EVENT_SUSPEND) 2877 return; 2878 2879 snd_hdac_i915_set_bclk(&codec->bus->core); 2880 check_presence_and_report(codec, pin_nid, dev_id); 2881 } 2882 2883 static const struct drm_audio_component_audio_ops intel_audio_ops = { 2884 .pin2port = intel_pin2port, 2885 .pin_eld_notify = intel_pin_eld_notify, 2886 }; 2887 2888 /* register i915 component pin_eld_notify callback */ 2889 static void register_i915_notifier(struct hda_codec *codec) 2890 { 2891 struct hdmi_spec *spec = codec->spec; 2892 2893 spec->use_acomp_notifier = true; 2894 spec->port2pin = intel_port2pin; 2895 setup_drm_audio_ops(codec, &intel_audio_ops); 2896 snd_hdac_acomp_register_notifier(&codec->bus->core, 2897 &spec->drm_audio_ops); 2898 /* no need for forcible resume for jack check thanks to notifier */ 2899 codec->relaxed_resume = 1; 2900 } 2901 2902 /* setup_stream ops override for HSW+ */ 2903 static int i915_hsw_setup_stream(struct hda_codec *codec, hda_nid_t cvt_nid, 2904 hda_nid_t pin_nid, int dev_id, u32 stream_tag, 2905 int format) 2906 { 2907 struct hdmi_spec *spec = codec->spec; 2908 int pin_idx = pin_id_to_pin_index(codec, pin_nid, dev_id); 2909 struct hdmi_spec_per_pin *per_pin; 2910 int res; 2911 2912 if (pin_idx < 0) 2913 per_pin = NULL; 2914 else 2915 per_pin = get_pin(spec, pin_idx); 2916 2917 haswell_verify_D0(codec, cvt_nid, pin_nid); 2918 2919 if (spec->silent_stream_type == SILENT_STREAM_KAE && per_pin && per_pin->silent_stream) { 2920 silent_stream_set_kae(codec, per_pin, false); 2921 /* wait for pending transfers in codec to clear */ 2922 usleep_range(100, 200); 2923 } 2924 2925 res = hdmi_setup_stream(codec, cvt_nid, pin_nid, dev_id, 2926 stream_tag, format); 2927 2928 if (spec->silent_stream_type == SILENT_STREAM_KAE && per_pin && per_pin->silent_stream) { 2929 usleep_range(100, 200); 2930 silent_stream_set_kae(codec, per_pin, true); 2931 } 2932 2933 return res; 2934 } 2935 2936 /* pin_cvt_fixup ops override for HSW+ and VLV+ */ 2937 static void i915_pin_cvt_fixup(struct hda_codec *codec, 2938 struct hdmi_spec_per_pin *per_pin, 2939 hda_nid_t cvt_nid) 2940 { 2941 if (per_pin) { 2942 haswell_verify_D0(codec, per_pin->cvt_nid, per_pin->pin_nid); 2943 snd_hda_set_dev_select(codec, per_pin->pin_nid, 2944 per_pin->dev_id); 2945 intel_verify_pin_cvt_connect(codec, per_pin); 2946 intel_not_share_assigned_cvt(codec, per_pin->pin_nid, 2947 per_pin->dev_id, per_pin->mux_idx); 2948 } else { 2949 intel_not_share_assigned_cvt_nid(codec, 0, 0, cvt_nid); 2950 } 2951 } 2952 2953 static int i915_adlp_hdmi_suspend(struct hda_codec *codec) 2954 { 2955 struct hdmi_spec *spec = codec->spec; 2956 bool silent_streams = false; 2957 int pin_idx, res; 2958 2959 res = generic_hdmi_suspend(codec); 2960 2961 for (pin_idx = 0; pin_idx < spec->num_pins; pin_idx++) { 2962 struct hdmi_spec_per_pin *per_pin = get_pin(spec, pin_idx); 2963 2964 if (per_pin->silent_stream) { 2965 silent_streams = true; 2966 break; 2967 } 2968 } 2969 2970 if (silent_streams && spec->silent_stream_type == SILENT_STREAM_KAE) { 2971 /* 2972 * stream-id should remain programmed when codec goes 2973 * to runtime suspend 2974 */ 2975 codec->no_stream_clean_at_suspend = 1; 2976 2977 /* 2978 * the system might go to S3, in which case keep-alive 2979 * must be reprogrammed upon resume 2980 */ 2981 codec->forced_resume = 1; 2982 2983 codec_dbg(codec, "HDMI: KAE active at suspend\n"); 2984 } else { 2985 codec->no_stream_clean_at_suspend = 0; 2986 codec->forced_resume = 0; 2987 } 2988 2989 return res; 2990 } 2991 2992 static int i915_adlp_hdmi_resume(struct hda_codec *codec) 2993 { 2994 struct hdmi_spec *spec = codec->spec; 2995 int pin_idx, res; 2996 2997 res = generic_hdmi_resume(codec); 2998 2999 /* KAE not programmed at suspend, nothing to do here */ 3000 if (!codec->no_stream_clean_at_suspend) 3001 return res; 3002 3003 for (pin_idx = 0; pin_idx < spec->num_pins; pin_idx++) { 3004 struct hdmi_spec_per_pin *per_pin = get_pin(spec, pin_idx); 3005 3006 /* 3007 * If system was in suspend with monitor connected, 3008 * the codec setting may have been lost. Re-enable 3009 * keep-alive. 3010 */ 3011 if (per_pin->silent_stream) { 3012 unsigned int param; 3013 3014 param = snd_hda_codec_read(codec, per_pin->cvt_nid, 0, 3015 AC_VERB_GET_CONV, 0); 3016 if (!param) { 3017 codec_dbg(codec, "HDMI: KAE: restore stream id\n"); 3018 silent_stream_enable_i915(codec, per_pin); 3019 } 3020 3021 param = snd_hda_codec_read(codec, per_pin->cvt_nid, 0, 3022 AC_VERB_GET_DIGI_CONVERT_1, 0); 3023 if (!(param & (AC_DIG3_KAE << 16))) { 3024 codec_dbg(codec, "HDMI: KAE: restore DIG3_KAE\n"); 3025 silent_stream_set_kae(codec, per_pin, true); 3026 } 3027 } 3028 } 3029 3030 return res; 3031 } 3032 3033 /* precondition and allocation for Intel codecs */ 3034 static int alloc_intel_hdmi(struct hda_codec *codec) 3035 { 3036 int err; 3037 3038 /* requires i915 binding */ 3039 if (!codec->bus->core.audio_component) { 3040 codec_info(codec, "No i915 binding for Intel HDMI/DP codec\n"); 3041 /* set probe_id here to prevent generic fallback binding */ 3042 codec->probe_id = HDA_CODEC_ID_SKIP_PROBE; 3043 return -ENODEV; 3044 } 3045 3046 err = alloc_generic_hdmi(codec); 3047 if (err < 0) 3048 return err; 3049 /* no need to handle unsol events */ 3050 codec->patch_ops.unsol_event = NULL; 3051 return 0; 3052 } 3053 3054 /* parse and post-process for Intel codecs */ 3055 static int parse_intel_hdmi(struct hda_codec *codec) 3056 { 3057 int err, retries = 3; 3058 3059 do { 3060 err = hdmi_parse_codec(codec); 3061 } while (err < 0 && retries--); 3062 3063 if (err < 0) { 3064 generic_spec_free(codec); 3065 return err; 3066 } 3067 3068 generic_hdmi_init_per_pins(codec); 3069 register_i915_notifier(codec); 3070 return 0; 3071 } 3072 3073 /* Intel Haswell and onwards; audio component with eld notifier */ 3074 static int intel_hsw_common_init(struct hda_codec *codec, hda_nid_t vendor_nid, 3075 const int *port_map, int port_num, int dev_num, 3076 bool send_silent_stream) 3077 { 3078 struct hdmi_spec *spec; 3079 int err; 3080 3081 err = alloc_intel_hdmi(codec); 3082 if (err < 0) 3083 return err; 3084 spec = codec->spec; 3085 codec->dp_mst = true; 3086 spec->vendor_nid = vendor_nid; 3087 spec->port_map = port_map; 3088 spec->port_num = port_num; 3089 spec->intel_hsw_fixup = true; 3090 spec->dev_num = dev_num; 3091 3092 intel_haswell_enable_all_pins(codec, true); 3093 intel_haswell_fixup_enable_dp12(codec); 3094 3095 codec->display_power_control = 1; 3096 3097 codec->patch_ops.set_power_state = haswell_set_power_state; 3098 codec->depop_delay = 0; 3099 codec->auto_runtime_pm = 1; 3100 3101 spec->ops.setup_stream = i915_hsw_setup_stream; 3102 spec->ops.pin_cvt_fixup = i915_pin_cvt_fixup; 3103 3104 /* 3105 * Enable silent stream feature, if it is enabled via 3106 * module param or Kconfig option 3107 */ 3108 if (send_silent_stream) 3109 spec->silent_stream_type = SILENT_STREAM_I915; 3110 3111 return parse_intel_hdmi(codec); 3112 } 3113 3114 static int patch_i915_hsw_hdmi(struct hda_codec *codec) 3115 { 3116 return intel_hsw_common_init(codec, 0x08, NULL, 0, 3, 3117 enable_silent_stream); 3118 } 3119 3120 static int patch_i915_glk_hdmi(struct hda_codec *codec) 3121 { 3122 /* 3123 * Silent stream calls audio component .get_power() from 3124 * .pin_eld_notify(). On GLK this will deadlock in i915 due 3125 * to the audio vs. CDCLK workaround. 3126 */ 3127 return intel_hsw_common_init(codec, 0x0b, NULL, 0, 3, false); 3128 } 3129 3130 static int patch_i915_icl_hdmi(struct hda_codec *codec) 3131 { 3132 /* 3133 * pin to port mapping table where the value indicate the pin number and 3134 * the index indicate the port number. 3135 */ 3136 static const int map[] = {0x0, 0x4, 0x6, 0x8, 0xa, 0xb}; 3137 3138 return intel_hsw_common_init(codec, 0x02, map, ARRAY_SIZE(map), 3, 3139 enable_silent_stream); 3140 } 3141 3142 static int patch_i915_tgl_hdmi(struct hda_codec *codec) 3143 { 3144 /* 3145 * pin to port mapping table where the value indicate the pin number and 3146 * the index indicate the port number. 3147 */ 3148 static const int map[] = {0x4, 0x6, 0x8, 0xa, 0xb, 0xc, 0xd, 0xe, 0xf}; 3149 3150 return intel_hsw_common_init(codec, 0x02, map, ARRAY_SIZE(map), 4, 3151 enable_silent_stream); 3152 } 3153 3154 static int patch_i915_adlp_hdmi(struct hda_codec *codec) 3155 { 3156 struct hdmi_spec *spec; 3157 int res; 3158 3159 res = patch_i915_tgl_hdmi(codec); 3160 if (!res) { 3161 spec = codec->spec; 3162 3163 if (spec->silent_stream_type) { 3164 spec->silent_stream_type = SILENT_STREAM_KAE; 3165 3166 codec->patch_ops.resume = i915_adlp_hdmi_resume; 3167 codec->patch_ops.suspend = i915_adlp_hdmi_suspend; 3168 } 3169 } 3170 3171 return res; 3172 } 3173 3174 /* Intel Baytrail and Braswell; with eld notifier */ 3175 static int patch_i915_byt_hdmi(struct hda_codec *codec) 3176 { 3177 struct hdmi_spec *spec; 3178 int err; 3179 3180 err = alloc_intel_hdmi(codec); 3181 if (err < 0) 3182 return err; 3183 spec = codec->spec; 3184 3185 /* For Valleyview/Cherryview, only the display codec is in the display 3186 * power well and can use link_power ops to request/release the power. 3187 */ 3188 codec->display_power_control = 1; 3189 3190 codec->depop_delay = 0; 3191 codec->auto_runtime_pm = 1; 3192 3193 spec->ops.pin_cvt_fixup = i915_pin_cvt_fixup; 3194 3195 return parse_intel_hdmi(codec); 3196 } 3197 3198 /* Intel IronLake, SandyBridge and IvyBridge; with eld notifier */ 3199 static int patch_i915_cpt_hdmi(struct hda_codec *codec) 3200 { 3201 int err; 3202 3203 err = alloc_intel_hdmi(codec); 3204 if (err < 0) 3205 return err; 3206 return parse_intel_hdmi(codec); 3207 } 3208 3209 /* 3210 * Shared non-generic implementations 3211 */ 3212 3213 static int simple_playback_build_pcms(struct hda_codec *codec) 3214 { 3215 struct hdmi_spec *spec = codec->spec; 3216 struct hda_pcm *info; 3217 unsigned int chans; 3218 struct hda_pcm_stream *pstr; 3219 struct hdmi_spec_per_cvt *per_cvt; 3220 3221 per_cvt = get_cvt(spec, 0); 3222 chans = get_wcaps(codec, per_cvt->cvt_nid); 3223 chans = get_wcaps_channels(chans); 3224 3225 info = snd_hda_codec_pcm_new(codec, "HDMI 0"); 3226 if (!info) 3227 return -ENOMEM; 3228 spec->pcm_rec[0].pcm = info; 3229 info->pcm_type = HDA_PCM_TYPE_HDMI; 3230 pstr = &info->stream[SNDRV_PCM_STREAM_PLAYBACK]; 3231 *pstr = spec->pcm_playback; 3232 pstr->nid = per_cvt->cvt_nid; 3233 if (pstr->channels_max <= 2 && chans && chans <= 16) 3234 pstr->channels_max = chans; 3235 3236 return 0; 3237 } 3238 3239 /* unsolicited event for jack sensing */ 3240 static void simple_hdmi_unsol_event(struct hda_codec *codec, 3241 unsigned int res) 3242 { 3243 snd_hda_jack_set_dirty_all(codec); 3244 snd_hda_jack_report_sync(codec); 3245 } 3246 3247 /* generic_hdmi_build_jack can be used for simple_hdmi, too, 3248 * as long as spec->pins[] is set correctly 3249 */ 3250 #define simple_hdmi_build_jack generic_hdmi_build_jack 3251 3252 static int simple_playback_build_controls(struct hda_codec *codec) 3253 { 3254 struct hdmi_spec *spec = codec->spec; 3255 struct hdmi_spec_per_cvt *per_cvt; 3256 int err; 3257 3258 per_cvt = get_cvt(spec, 0); 3259 err = snd_hda_create_dig_out_ctls(codec, per_cvt->cvt_nid, 3260 per_cvt->cvt_nid, 3261 HDA_PCM_TYPE_HDMI); 3262 if (err < 0) 3263 return err; 3264 return simple_hdmi_build_jack(codec, 0); 3265 } 3266 3267 static int simple_playback_init(struct hda_codec *codec) 3268 { 3269 struct hdmi_spec *spec = codec->spec; 3270 struct hdmi_spec_per_pin *per_pin = get_pin(spec, 0); 3271 hda_nid_t pin = per_pin->pin_nid; 3272 3273 snd_hda_codec_write(codec, pin, 0, 3274 AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_OUT); 3275 /* some codecs require to unmute the pin */ 3276 if (get_wcaps(codec, pin) & AC_WCAP_OUT_AMP) 3277 snd_hda_codec_write(codec, pin, 0, AC_VERB_SET_AMP_GAIN_MUTE, 3278 AMP_OUT_UNMUTE); 3279 snd_hda_jack_detect_enable(codec, pin, per_pin->dev_id); 3280 return 0; 3281 } 3282 3283 static void simple_playback_free(struct hda_codec *codec) 3284 { 3285 struct hdmi_spec *spec = codec->spec; 3286 3287 hdmi_array_free(spec); 3288 kfree(spec); 3289 } 3290 3291 /* 3292 * Nvidia specific implementations 3293 */ 3294 3295 #define Nv_VERB_SET_Channel_Allocation 0xF79 3296 #define Nv_VERB_SET_Info_Frame_Checksum 0xF7A 3297 #define Nv_VERB_SET_Audio_Protection_On 0xF98 3298 #define Nv_VERB_SET_Audio_Protection_Off 0xF99 3299 3300 #define nvhdmi_master_con_nid_7x 0x04 3301 #define nvhdmi_master_pin_nid_7x 0x05 3302 3303 static const hda_nid_t nvhdmi_con_nids_7x[4] = { 3304 /*front, rear, clfe, rear_surr */ 3305 0x6, 0x8, 0xa, 0xc, 3306 }; 3307 3308 static const struct hda_verb nvhdmi_basic_init_7x_2ch[] = { 3309 /* set audio protect on */ 3310 { 0x1, Nv_VERB_SET_Audio_Protection_On, 0x1}, 3311 /* enable digital output on pin widget */ 3312 { 0x5, AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_OUT | 0x5 }, 3313 {} /* terminator */ 3314 }; 3315 3316 static const struct hda_verb nvhdmi_basic_init_7x_8ch[] = { 3317 /* set audio protect on */ 3318 { 0x1, Nv_VERB_SET_Audio_Protection_On, 0x1}, 3319 /* enable digital output on pin widget */ 3320 { 0x5, AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_OUT | 0x5 }, 3321 { 0x7, AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_OUT | 0x5 }, 3322 { 0x9, AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_OUT | 0x5 }, 3323 { 0xb, AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_OUT | 0x5 }, 3324 { 0xd, AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_OUT | 0x5 }, 3325 {} /* terminator */ 3326 }; 3327 3328 #ifdef LIMITED_RATE_FMT_SUPPORT 3329 /* support only the safe format and rate */ 3330 #define SUPPORTED_RATES SNDRV_PCM_RATE_48000 3331 #define SUPPORTED_MAXBPS 16 3332 #define SUPPORTED_FORMATS SNDRV_PCM_FMTBIT_S16_LE 3333 #else 3334 /* support all rates and formats */ 3335 #define SUPPORTED_RATES \ 3336 (SNDRV_PCM_RATE_32000 | SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_48000 |\ 3337 SNDRV_PCM_RATE_88200 | SNDRV_PCM_RATE_96000 | SNDRV_PCM_RATE_176400 |\ 3338 SNDRV_PCM_RATE_192000) 3339 #define SUPPORTED_MAXBPS 24 3340 #define SUPPORTED_FORMATS \ 3341 (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S32_LE) 3342 #endif 3343 3344 static int nvhdmi_7x_init_2ch(struct hda_codec *codec) 3345 { 3346 snd_hda_sequence_write(codec, nvhdmi_basic_init_7x_2ch); 3347 return 0; 3348 } 3349 3350 static int nvhdmi_7x_init_8ch(struct hda_codec *codec) 3351 { 3352 snd_hda_sequence_write(codec, nvhdmi_basic_init_7x_8ch); 3353 return 0; 3354 } 3355 3356 static const unsigned int channels_2_6_8[] = { 3357 2, 6, 8 3358 }; 3359 3360 static const unsigned int channels_2_8[] = { 3361 2, 8 3362 }; 3363 3364 static const struct snd_pcm_hw_constraint_list hw_constraints_2_6_8_channels = { 3365 .count = ARRAY_SIZE(channels_2_6_8), 3366 .list = channels_2_6_8, 3367 .mask = 0, 3368 }; 3369 3370 static const struct snd_pcm_hw_constraint_list hw_constraints_2_8_channels = { 3371 .count = ARRAY_SIZE(channels_2_8), 3372 .list = channels_2_8, 3373 .mask = 0, 3374 }; 3375 3376 static int simple_playback_pcm_open(struct hda_pcm_stream *hinfo, 3377 struct hda_codec *codec, 3378 struct snd_pcm_substream *substream) 3379 { 3380 struct hdmi_spec *spec = codec->spec; 3381 const struct snd_pcm_hw_constraint_list *hw_constraints_channels = NULL; 3382 3383 switch (codec->preset->vendor_id) { 3384 case 0x10de0002: 3385 case 0x10de0003: 3386 case 0x10de0005: 3387 case 0x10de0006: 3388 hw_constraints_channels = &hw_constraints_2_8_channels; 3389 break; 3390 case 0x10de0007: 3391 hw_constraints_channels = &hw_constraints_2_6_8_channels; 3392 break; 3393 default: 3394 break; 3395 } 3396 3397 if (hw_constraints_channels != NULL) { 3398 snd_pcm_hw_constraint_list(substream->runtime, 0, 3399 SNDRV_PCM_HW_PARAM_CHANNELS, 3400 hw_constraints_channels); 3401 } else { 3402 snd_pcm_hw_constraint_step(substream->runtime, 0, 3403 SNDRV_PCM_HW_PARAM_CHANNELS, 2); 3404 } 3405 3406 return snd_hda_multi_out_dig_open(codec, &spec->multiout); 3407 } 3408 3409 static int simple_playback_pcm_close(struct hda_pcm_stream *hinfo, 3410 struct hda_codec *codec, 3411 struct snd_pcm_substream *substream) 3412 { 3413 struct hdmi_spec *spec = codec->spec; 3414 return snd_hda_multi_out_dig_close(codec, &spec->multiout); 3415 } 3416 3417 static int simple_playback_pcm_prepare(struct hda_pcm_stream *hinfo, 3418 struct hda_codec *codec, 3419 unsigned int stream_tag, 3420 unsigned int format, 3421 struct snd_pcm_substream *substream) 3422 { 3423 struct hdmi_spec *spec = codec->spec; 3424 return snd_hda_multi_out_dig_prepare(codec, &spec->multiout, 3425 stream_tag, format, substream); 3426 } 3427 3428 static const struct hda_pcm_stream simple_pcm_playback = { 3429 .substreams = 1, 3430 .channels_min = 2, 3431 .channels_max = 2, 3432 .ops = { 3433 .open = simple_playback_pcm_open, 3434 .close = simple_playback_pcm_close, 3435 .prepare = simple_playback_pcm_prepare 3436 }, 3437 }; 3438 3439 static const struct hda_codec_ops simple_hdmi_patch_ops = { 3440 .build_controls = simple_playback_build_controls, 3441 .build_pcms = simple_playback_build_pcms, 3442 .init = simple_playback_init, 3443 .free = simple_playback_free, 3444 .unsol_event = simple_hdmi_unsol_event, 3445 }; 3446 3447 static int patch_simple_hdmi(struct hda_codec *codec, 3448 hda_nid_t cvt_nid, hda_nid_t pin_nid) 3449 { 3450 struct hdmi_spec *spec; 3451 struct hdmi_spec_per_cvt *per_cvt; 3452 struct hdmi_spec_per_pin *per_pin; 3453 3454 spec = kzalloc(sizeof(*spec), GFP_KERNEL); 3455 if (!spec) 3456 return -ENOMEM; 3457 3458 spec->codec = codec; 3459 codec->spec = spec; 3460 hdmi_array_init(spec, 1); 3461 3462 spec->multiout.num_dacs = 0; /* no analog */ 3463 spec->multiout.max_channels = 2; 3464 spec->multiout.dig_out_nid = cvt_nid; 3465 spec->num_cvts = 1; 3466 spec->num_pins = 1; 3467 per_pin = snd_array_new(&spec->pins); 3468 per_cvt = snd_array_new(&spec->cvts); 3469 if (!per_pin || !per_cvt) { 3470 simple_playback_free(codec); 3471 return -ENOMEM; 3472 } 3473 per_cvt->cvt_nid = cvt_nid; 3474 per_pin->pin_nid = pin_nid; 3475 spec->pcm_playback = simple_pcm_playback; 3476 3477 codec->patch_ops = simple_hdmi_patch_ops; 3478 3479 return 0; 3480 } 3481 3482 static void nvhdmi_8ch_7x_set_info_frame_parameters(struct hda_codec *codec, 3483 int channels) 3484 { 3485 unsigned int chanmask; 3486 int chan = channels ? (channels - 1) : 1; 3487 3488 switch (channels) { 3489 default: 3490 case 0: 3491 case 2: 3492 chanmask = 0x00; 3493 break; 3494 case 4: 3495 chanmask = 0x08; 3496 break; 3497 case 6: 3498 chanmask = 0x0b; 3499 break; 3500 case 8: 3501 chanmask = 0x13; 3502 break; 3503 } 3504 3505 /* Set the audio infoframe channel allocation and checksum fields. The 3506 * channel count is computed implicitly by the hardware. */ 3507 snd_hda_codec_write(codec, 0x1, 0, 3508 Nv_VERB_SET_Channel_Allocation, chanmask); 3509 3510 snd_hda_codec_write(codec, 0x1, 0, 3511 Nv_VERB_SET_Info_Frame_Checksum, 3512 (0x71 - chan - chanmask)); 3513 } 3514 3515 static int nvhdmi_8ch_7x_pcm_close(struct hda_pcm_stream *hinfo, 3516 struct hda_codec *codec, 3517 struct snd_pcm_substream *substream) 3518 { 3519 struct hdmi_spec *spec = codec->spec; 3520 int i; 3521 3522 snd_hda_codec_write(codec, nvhdmi_master_con_nid_7x, 3523 0, AC_VERB_SET_CHANNEL_STREAMID, 0); 3524 for (i = 0; i < 4; i++) { 3525 /* set the stream id */ 3526 snd_hda_codec_write(codec, nvhdmi_con_nids_7x[i], 0, 3527 AC_VERB_SET_CHANNEL_STREAMID, 0); 3528 /* set the stream format */ 3529 snd_hda_codec_write(codec, nvhdmi_con_nids_7x[i], 0, 3530 AC_VERB_SET_STREAM_FORMAT, 0); 3531 } 3532 3533 /* The audio hardware sends a channel count of 0x7 (8ch) when all the 3534 * streams are disabled. */ 3535 nvhdmi_8ch_7x_set_info_frame_parameters(codec, 8); 3536 3537 return snd_hda_multi_out_dig_close(codec, &spec->multiout); 3538 } 3539 3540 static int nvhdmi_8ch_7x_pcm_prepare(struct hda_pcm_stream *hinfo, 3541 struct hda_codec *codec, 3542 unsigned int stream_tag, 3543 unsigned int format, 3544 struct snd_pcm_substream *substream) 3545 { 3546 int chs; 3547 unsigned int dataDCC2, channel_id; 3548 int i; 3549 struct hdmi_spec *spec = codec->spec; 3550 struct hda_spdif_out *spdif; 3551 struct hdmi_spec_per_cvt *per_cvt; 3552 3553 mutex_lock(&codec->spdif_mutex); 3554 per_cvt = get_cvt(spec, 0); 3555 spdif = snd_hda_spdif_out_of_nid(codec, per_cvt->cvt_nid); 3556 3557 chs = substream->runtime->channels; 3558 3559 dataDCC2 = 0x2; 3560 3561 /* turn off SPDIF once; otherwise the IEC958 bits won't be updated */ 3562 if (codec->spdif_status_reset && (spdif->ctls & AC_DIG1_ENABLE)) 3563 snd_hda_codec_write(codec, 3564 nvhdmi_master_con_nid_7x, 3565 0, 3566 AC_VERB_SET_DIGI_CONVERT_1, 3567 spdif->ctls & ~AC_DIG1_ENABLE & 0xff); 3568 3569 /* set the stream id */ 3570 snd_hda_codec_write(codec, nvhdmi_master_con_nid_7x, 0, 3571 AC_VERB_SET_CHANNEL_STREAMID, (stream_tag << 4) | 0x0); 3572 3573 /* set the stream format */ 3574 snd_hda_codec_write(codec, nvhdmi_master_con_nid_7x, 0, 3575 AC_VERB_SET_STREAM_FORMAT, format); 3576 3577 /* turn on again (if needed) */ 3578 /* enable and set the channel status audio/data flag */ 3579 if (codec->spdif_status_reset && (spdif->ctls & AC_DIG1_ENABLE)) { 3580 snd_hda_codec_write(codec, 3581 nvhdmi_master_con_nid_7x, 3582 0, 3583 AC_VERB_SET_DIGI_CONVERT_1, 3584 spdif->ctls & 0xff); 3585 snd_hda_codec_write(codec, 3586 nvhdmi_master_con_nid_7x, 3587 0, 3588 AC_VERB_SET_DIGI_CONVERT_2, dataDCC2); 3589 } 3590 3591 for (i = 0; i < 4; i++) { 3592 if (chs == 2) 3593 channel_id = 0; 3594 else 3595 channel_id = i * 2; 3596 3597 /* turn off SPDIF once; 3598 *otherwise the IEC958 bits won't be updated 3599 */ 3600 if (codec->spdif_status_reset && 3601 (spdif->ctls & AC_DIG1_ENABLE)) 3602 snd_hda_codec_write(codec, 3603 nvhdmi_con_nids_7x[i], 3604 0, 3605 AC_VERB_SET_DIGI_CONVERT_1, 3606 spdif->ctls & ~AC_DIG1_ENABLE & 0xff); 3607 /* set the stream id */ 3608 snd_hda_codec_write(codec, 3609 nvhdmi_con_nids_7x[i], 3610 0, 3611 AC_VERB_SET_CHANNEL_STREAMID, 3612 (stream_tag << 4) | channel_id); 3613 /* set the stream format */ 3614 snd_hda_codec_write(codec, 3615 nvhdmi_con_nids_7x[i], 3616 0, 3617 AC_VERB_SET_STREAM_FORMAT, 3618 format); 3619 /* turn on again (if needed) */ 3620 /* enable and set the channel status audio/data flag */ 3621 if (codec->spdif_status_reset && 3622 (spdif->ctls & AC_DIG1_ENABLE)) { 3623 snd_hda_codec_write(codec, 3624 nvhdmi_con_nids_7x[i], 3625 0, 3626 AC_VERB_SET_DIGI_CONVERT_1, 3627 spdif->ctls & 0xff); 3628 snd_hda_codec_write(codec, 3629 nvhdmi_con_nids_7x[i], 3630 0, 3631 AC_VERB_SET_DIGI_CONVERT_2, dataDCC2); 3632 } 3633 } 3634 3635 nvhdmi_8ch_7x_set_info_frame_parameters(codec, chs); 3636 3637 mutex_unlock(&codec->spdif_mutex); 3638 return 0; 3639 } 3640 3641 static const struct hda_pcm_stream nvhdmi_pcm_playback_8ch_7x = { 3642 .substreams = 1, 3643 .channels_min = 2, 3644 .channels_max = 8, 3645 .nid = nvhdmi_master_con_nid_7x, 3646 .rates = SUPPORTED_RATES, 3647 .maxbps = SUPPORTED_MAXBPS, 3648 .formats = SUPPORTED_FORMATS, 3649 .ops = { 3650 .open = simple_playback_pcm_open, 3651 .close = nvhdmi_8ch_7x_pcm_close, 3652 .prepare = nvhdmi_8ch_7x_pcm_prepare 3653 }, 3654 }; 3655 3656 static int patch_nvhdmi_2ch(struct hda_codec *codec) 3657 { 3658 struct hdmi_spec *spec; 3659 int err = patch_simple_hdmi(codec, nvhdmi_master_con_nid_7x, 3660 nvhdmi_master_pin_nid_7x); 3661 if (err < 0) 3662 return err; 3663 3664 codec->patch_ops.init = nvhdmi_7x_init_2ch; 3665 /* override the PCM rates, etc, as the codec doesn't give full list */ 3666 spec = codec->spec; 3667 spec->pcm_playback.rates = SUPPORTED_RATES; 3668 spec->pcm_playback.maxbps = SUPPORTED_MAXBPS; 3669 spec->pcm_playback.formats = SUPPORTED_FORMATS; 3670 spec->nv_dp_workaround = true; 3671 return 0; 3672 } 3673 3674 static int nvhdmi_7x_8ch_build_pcms(struct hda_codec *codec) 3675 { 3676 struct hdmi_spec *spec = codec->spec; 3677 int err = simple_playback_build_pcms(codec); 3678 if (!err) { 3679 struct hda_pcm *info = get_pcm_rec(spec, 0); 3680 info->own_chmap = true; 3681 } 3682 return err; 3683 } 3684 3685 static int nvhdmi_7x_8ch_build_controls(struct hda_codec *codec) 3686 { 3687 struct hdmi_spec *spec = codec->spec; 3688 struct hda_pcm *info; 3689 struct snd_pcm_chmap *chmap; 3690 int err; 3691 3692 err = simple_playback_build_controls(codec); 3693 if (err < 0) 3694 return err; 3695 3696 /* add channel maps */ 3697 info = get_pcm_rec(spec, 0); 3698 err = snd_pcm_add_chmap_ctls(info->pcm, 3699 SNDRV_PCM_STREAM_PLAYBACK, 3700 snd_pcm_alt_chmaps, 8, 0, &chmap); 3701 if (err < 0) 3702 return err; 3703 switch (codec->preset->vendor_id) { 3704 case 0x10de0002: 3705 case 0x10de0003: 3706 case 0x10de0005: 3707 case 0x10de0006: 3708 chmap->channel_mask = (1U << 2) | (1U << 8); 3709 break; 3710 case 0x10de0007: 3711 chmap->channel_mask = (1U << 2) | (1U << 6) | (1U << 8); 3712 } 3713 return 0; 3714 } 3715 3716 static int patch_nvhdmi_8ch_7x(struct hda_codec *codec) 3717 { 3718 struct hdmi_spec *spec; 3719 int err = patch_nvhdmi_2ch(codec); 3720 if (err < 0) 3721 return err; 3722 spec = codec->spec; 3723 spec->multiout.max_channels = 8; 3724 spec->pcm_playback = nvhdmi_pcm_playback_8ch_7x; 3725 codec->patch_ops.init = nvhdmi_7x_init_8ch; 3726 codec->patch_ops.build_pcms = nvhdmi_7x_8ch_build_pcms; 3727 codec->patch_ops.build_controls = nvhdmi_7x_8ch_build_controls; 3728 3729 /* Initialize the audio infoframe channel mask and checksum to something 3730 * valid */ 3731 nvhdmi_8ch_7x_set_info_frame_parameters(codec, 8); 3732 3733 return 0; 3734 } 3735 3736 /* 3737 * NVIDIA codecs ignore ASP mapping for 2ch - confirmed on: 3738 * - 0x10de0015 3739 * - 0x10de0040 3740 */ 3741 static int nvhdmi_chmap_cea_alloc_validate_get_type(struct hdac_chmap *chmap, 3742 struct hdac_cea_channel_speaker_allocation *cap, int channels) 3743 { 3744 if (cap->ca_index == 0x00 && channels == 2) 3745 return SNDRV_CTL_TLVT_CHMAP_FIXED; 3746 3747 /* If the speaker allocation matches the channel count, it is OK. */ 3748 if (cap->channels != channels) 3749 return -1; 3750 3751 /* all channels are remappable freely */ 3752 return SNDRV_CTL_TLVT_CHMAP_VAR; 3753 } 3754 3755 static int nvhdmi_chmap_validate(struct hdac_chmap *chmap, 3756 int ca, int chs, unsigned char *map) 3757 { 3758 if (ca == 0x00 && (map[0] != SNDRV_CHMAP_FL || map[1] != SNDRV_CHMAP_FR)) 3759 return -EINVAL; 3760 3761 return 0; 3762 } 3763 3764 /* map from pin NID to port; port is 0-based */ 3765 /* for Nvidia: assume widget NID starting from 4, with step 1 (4, 5, 6, ...) */ 3766 static int nvhdmi_pin2port(void *audio_ptr, int pin_nid) 3767 { 3768 return pin_nid - 4; 3769 } 3770 3771 /* reverse-map from port to pin NID: see above */ 3772 static int nvhdmi_port2pin(struct hda_codec *codec, int port) 3773 { 3774 return port + 4; 3775 } 3776 3777 static const struct drm_audio_component_audio_ops nvhdmi_audio_ops = { 3778 .pin2port = nvhdmi_pin2port, 3779 .pin_eld_notify = generic_acomp_pin_eld_notify, 3780 .master_bind = generic_acomp_master_bind, 3781 .master_unbind = generic_acomp_master_unbind, 3782 }; 3783 3784 static int patch_nvhdmi(struct hda_codec *codec) 3785 { 3786 struct hdmi_spec *spec; 3787 int err; 3788 3789 err = alloc_generic_hdmi(codec); 3790 if (err < 0) 3791 return err; 3792 codec->dp_mst = true; 3793 3794 spec = codec->spec; 3795 3796 err = hdmi_parse_codec(codec); 3797 if (err < 0) { 3798 generic_spec_free(codec); 3799 return err; 3800 } 3801 3802 generic_hdmi_init_per_pins(codec); 3803 3804 spec->dyn_pin_out = true; 3805 3806 spec->chmap.ops.chmap_cea_alloc_validate_get_type = 3807 nvhdmi_chmap_cea_alloc_validate_get_type; 3808 spec->chmap.ops.chmap_validate = nvhdmi_chmap_validate; 3809 spec->nv_dp_workaround = true; 3810 3811 codec->link_down_at_suspend = 1; 3812 3813 generic_acomp_init(codec, &nvhdmi_audio_ops, nvhdmi_port2pin); 3814 3815 return 0; 3816 } 3817 3818 static int patch_nvhdmi_legacy(struct hda_codec *codec) 3819 { 3820 struct hdmi_spec *spec; 3821 int err; 3822 3823 err = patch_generic_hdmi(codec); 3824 if (err) 3825 return err; 3826 3827 spec = codec->spec; 3828 spec->dyn_pin_out = true; 3829 3830 spec->chmap.ops.chmap_cea_alloc_validate_get_type = 3831 nvhdmi_chmap_cea_alloc_validate_get_type; 3832 spec->chmap.ops.chmap_validate = nvhdmi_chmap_validate; 3833 spec->nv_dp_workaround = true; 3834 3835 codec->link_down_at_suspend = 1; 3836 3837 return 0; 3838 } 3839 3840 /* 3841 * The HDA codec on NVIDIA Tegra contains two scratch registers that are 3842 * accessed using vendor-defined verbs. These registers can be used for 3843 * interoperability between the HDA and HDMI drivers. 3844 */ 3845 3846 /* Audio Function Group node */ 3847 #define NVIDIA_AFG_NID 0x01 3848 3849 /* 3850 * The SCRATCH0 register is used to notify the HDMI codec of changes in audio 3851 * format. On Tegra, bit 31 is used as a trigger that causes an interrupt to 3852 * be raised in the HDMI codec. The remainder of the bits is arbitrary. This 3853 * implementation stores the HDA format (see AC_FMT_*) in bits [15:0] and an 3854 * additional bit (at position 30) to signal the validity of the format. 3855 * 3856 * | 31 | 30 | 29 16 | 15 0 | 3857 * +---------+-------+--------+--------+ 3858 * | TRIGGER | VALID | UNUSED | FORMAT | 3859 * +-----------------------------------| 3860 * 3861 * Note that for the trigger bit to take effect it needs to change value 3862 * (i.e. it needs to be toggled). The trigger bit is not applicable from 3863 * TEGRA234 chip onwards, as new verb id 0xf80 will be used for interrupt 3864 * trigger to hdmi. 3865 */ 3866 #define NVIDIA_SET_HOST_INTR 0xf80 3867 #define NVIDIA_GET_SCRATCH0 0xfa6 3868 #define NVIDIA_SET_SCRATCH0_BYTE0 0xfa7 3869 #define NVIDIA_SET_SCRATCH0_BYTE1 0xfa8 3870 #define NVIDIA_SET_SCRATCH0_BYTE2 0xfa9 3871 #define NVIDIA_SET_SCRATCH0_BYTE3 0xfaa 3872 #define NVIDIA_SCRATCH_TRIGGER (1 << 7) 3873 #define NVIDIA_SCRATCH_VALID (1 << 6) 3874 3875 #define NVIDIA_GET_SCRATCH1 0xfab 3876 #define NVIDIA_SET_SCRATCH1_BYTE0 0xfac 3877 #define NVIDIA_SET_SCRATCH1_BYTE1 0xfad 3878 #define NVIDIA_SET_SCRATCH1_BYTE2 0xfae 3879 #define NVIDIA_SET_SCRATCH1_BYTE3 0xfaf 3880 3881 /* 3882 * The format parameter is the HDA audio format (see AC_FMT_*). If set to 0, 3883 * the format is invalidated so that the HDMI codec can be disabled. 3884 */ 3885 static void tegra_hdmi_set_format(struct hda_codec *codec, 3886 hda_nid_t cvt_nid, 3887 unsigned int format) 3888 { 3889 unsigned int value; 3890 unsigned int nid = NVIDIA_AFG_NID; 3891 struct hdmi_spec *spec = codec->spec; 3892 3893 /* 3894 * Tegra HDA codec design from TEGRA234 chip onwards support DP MST. 3895 * This resulted in moving scratch registers from audio function 3896 * group to converter widget context. So CVT NID should be used for 3897 * scratch register read/write for DP MST supported Tegra HDA codec. 3898 */ 3899 if (codec->dp_mst) 3900 nid = cvt_nid; 3901 3902 /* bits [31:30] contain the trigger and valid bits */ 3903 value = snd_hda_codec_read(codec, nid, 0, 3904 NVIDIA_GET_SCRATCH0, 0); 3905 value = (value >> 24) & 0xff; 3906 3907 /* bits [15:0] are used to store the HDA format */ 3908 snd_hda_codec_write(codec, nid, 0, 3909 NVIDIA_SET_SCRATCH0_BYTE0, 3910 (format >> 0) & 0xff); 3911 snd_hda_codec_write(codec, nid, 0, 3912 NVIDIA_SET_SCRATCH0_BYTE1, 3913 (format >> 8) & 0xff); 3914 3915 /* bits [16:24] are unused */ 3916 snd_hda_codec_write(codec, nid, 0, 3917 NVIDIA_SET_SCRATCH0_BYTE2, 0); 3918 3919 /* 3920 * Bit 30 signals that the data is valid and hence that HDMI audio can 3921 * be enabled. 3922 */ 3923 if (format == 0) 3924 value &= ~NVIDIA_SCRATCH_VALID; 3925 else 3926 value |= NVIDIA_SCRATCH_VALID; 3927 3928 if (spec->hdmi_intr_trig_ctrl) { 3929 /* 3930 * For Tegra HDA Codec design from TEGRA234 onwards, the 3931 * Interrupt to hdmi driver is triggered by writing 3932 * non-zero values to verb 0xF80 instead of 31st bit of 3933 * scratch register. 3934 */ 3935 snd_hda_codec_write(codec, nid, 0, 3936 NVIDIA_SET_SCRATCH0_BYTE3, value); 3937 snd_hda_codec_write(codec, nid, 0, 3938 NVIDIA_SET_HOST_INTR, 0x1); 3939 } else { 3940 /* 3941 * Whenever the 31st trigger bit is toggled, an interrupt is raised 3942 * in the HDMI codec. The HDMI driver will use that as trigger 3943 * to update its configuration. 3944 */ 3945 value ^= NVIDIA_SCRATCH_TRIGGER; 3946 3947 snd_hda_codec_write(codec, nid, 0, 3948 NVIDIA_SET_SCRATCH0_BYTE3, value); 3949 } 3950 } 3951 3952 static int tegra_hdmi_pcm_prepare(struct hda_pcm_stream *hinfo, 3953 struct hda_codec *codec, 3954 unsigned int stream_tag, 3955 unsigned int format, 3956 struct snd_pcm_substream *substream) 3957 { 3958 int err; 3959 3960 err = generic_hdmi_playback_pcm_prepare(hinfo, codec, stream_tag, 3961 format, substream); 3962 if (err < 0) 3963 return err; 3964 3965 /* notify the HDMI codec of the format change */ 3966 tegra_hdmi_set_format(codec, hinfo->nid, format); 3967 3968 return 0; 3969 } 3970 3971 static int tegra_hdmi_pcm_cleanup(struct hda_pcm_stream *hinfo, 3972 struct hda_codec *codec, 3973 struct snd_pcm_substream *substream) 3974 { 3975 /* invalidate the format in the HDMI codec */ 3976 tegra_hdmi_set_format(codec, hinfo->nid, 0); 3977 3978 return generic_hdmi_playback_pcm_cleanup(hinfo, codec, substream); 3979 } 3980 3981 static struct hda_pcm *hda_find_pcm_by_type(struct hda_codec *codec, int type) 3982 { 3983 struct hdmi_spec *spec = codec->spec; 3984 unsigned int i; 3985 3986 for (i = 0; i < spec->num_pins; i++) { 3987 struct hda_pcm *pcm = get_pcm_rec(spec, i); 3988 3989 if (pcm->pcm_type == type) 3990 return pcm; 3991 } 3992 3993 return NULL; 3994 } 3995 3996 static int tegra_hdmi_build_pcms(struct hda_codec *codec) 3997 { 3998 struct hda_pcm_stream *stream; 3999 struct hda_pcm *pcm; 4000 int err; 4001 4002 err = generic_hdmi_build_pcms(codec); 4003 if (err < 0) 4004 return err; 4005 4006 pcm = hda_find_pcm_by_type(codec, HDA_PCM_TYPE_HDMI); 4007 if (!pcm) 4008 return -ENODEV; 4009 4010 /* 4011 * Override ->prepare() and ->cleanup() operations to notify the HDMI 4012 * codec about format changes. 4013 */ 4014 stream = &pcm->stream[SNDRV_PCM_STREAM_PLAYBACK]; 4015 stream->ops.prepare = tegra_hdmi_pcm_prepare; 4016 stream->ops.cleanup = tegra_hdmi_pcm_cleanup; 4017 4018 return 0; 4019 } 4020 4021 static int tegra_hdmi_init(struct hda_codec *codec) 4022 { 4023 struct hdmi_spec *spec = codec->spec; 4024 int i, err; 4025 4026 err = hdmi_parse_codec(codec); 4027 if (err < 0) { 4028 generic_spec_free(codec); 4029 return err; 4030 } 4031 4032 for (i = 0; i < spec->num_cvts; i++) 4033 snd_hda_codec_write(codec, spec->cvt_nids[i], 0, 4034 AC_VERB_SET_DIGI_CONVERT_1, 4035 AC_DIG1_ENABLE); 4036 4037 generic_hdmi_init_per_pins(codec); 4038 4039 codec->depop_delay = 10; 4040 codec->patch_ops.build_pcms = tegra_hdmi_build_pcms; 4041 spec->chmap.ops.chmap_cea_alloc_validate_get_type = 4042 nvhdmi_chmap_cea_alloc_validate_get_type; 4043 spec->chmap.ops.chmap_validate = nvhdmi_chmap_validate; 4044 4045 spec->chmap.ops.chmap_cea_alloc_validate_get_type = 4046 nvhdmi_chmap_cea_alloc_validate_get_type; 4047 spec->chmap.ops.chmap_validate = nvhdmi_chmap_validate; 4048 spec->nv_dp_workaround = true; 4049 4050 return 0; 4051 } 4052 4053 static int patch_tegra_hdmi(struct hda_codec *codec) 4054 { 4055 int err; 4056 4057 err = alloc_generic_hdmi(codec); 4058 if (err < 0) 4059 return err; 4060 4061 return tegra_hdmi_init(codec); 4062 } 4063 4064 static int patch_tegra234_hdmi(struct hda_codec *codec) 4065 { 4066 struct hdmi_spec *spec; 4067 int err; 4068 4069 err = alloc_generic_hdmi(codec); 4070 if (err < 0) 4071 return err; 4072 4073 codec->dp_mst = true; 4074 spec = codec->spec; 4075 spec->dyn_pin_out = true; 4076 spec->hdmi_intr_trig_ctrl = true; 4077 4078 return tegra_hdmi_init(codec); 4079 } 4080 4081 /* 4082 * ATI/AMD-specific implementations 4083 */ 4084 4085 #define is_amdhdmi_rev3_or_later(codec) \ 4086 ((codec)->core.vendor_id == 0x1002aa01 && \ 4087 ((codec)->core.revision_id & 0xff00) >= 0x0300) 4088 #define has_amd_full_remap_support(codec) is_amdhdmi_rev3_or_later(codec) 4089 4090 /* ATI/AMD specific HDA pin verbs, see the AMD HDA Verbs specification */ 4091 #define ATI_VERB_SET_CHANNEL_ALLOCATION 0x771 4092 #define ATI_VERB_SET_DOWNMIX_INFO 0x772 4093 #define ATI_VERB_SET_MULTICHANNEL_01 0x777 4094 #define ATI_VERB_SET_MULTICHANNEL_23 0x778 4095 #define ATI_VERB_SET_MULTICHANNEL_45 0x779 4096 #define ATI_VERB_SET_MULTICHANNEL_67 0x77a 4097 #define ATI_VERB_SET_HBR_CONTROL 0x77c 4098 #define ATI_VERB_SET_MULTICHANNEL_1 0x785 4099 #define ATI_VERB_SET_MULTICHANNEL_3 0x786 4100 #define ATI_VERB_SET_MULTICHANNEL_5 0x787 4101 #define ATI_VERB_SET_MULTICHANNEL_7 0x788 4102 #define ATI_VERB_SET_MULTICHANNEL_MODE 0x789 4103 #define ATI_VERB_GET_CHANNEL_ALLOCATION 0xf71 4104 #define ATI_VERB_GET_DOWNMIX_INFO 0xf72 4105 #define ATI_VERB_GET_MULTICHANNEL_01 0xf77 4106 #define ATI_VERB_GET_MULTICHANNEL_23 0xf78 4107 #define ATI_VERB_GET_MULTICHANNEL_45 0xf79 4108 #define ATI_VERB_GET_MULTICHANNEL_67 0xf7a 4109 #define ATI_VERB_GET_HBR_CONTROL 0xf7c 4110 #define ATI_VERB_GET_MULTICHANNEL_1 0xf85 4111 #define ATI_VERB_GET_MULTICHANNEL_3 0xf86 4112 #define ATI_VERB_GET_MULTICHANNEL_5 0xf87 4113 #define ATI_VERB_GET_MULTICHANNEL_7 0xf88 4114 #define ATI_VERB_GET_MULTICHANNEL_MODE 0xf89 4115 4116 /* AMD specific HDA cvt verbs */ 4117 #define ATI_VERB_SET_RAMP_RATE 0x770 4118 #define ATI_VERB_GET_RAMP_RATE 0xf70 4119 4120 #define ATI_OUT_ENABLE 0x1 4121 4122 #define ATI_MULTICHANNEL_MODE_PAIRED 0 4123 #define ATI_MULTICHANNEL_MODE_SINGLE 1 4124 4125 #define ATI_HBR_CAPABLE 0x01 4126 #define ATI_HBR_ENABLE 0x10 4127 4128 static int atihdmi_pin_get_eld(struct hda_codec *codec, hda_nid_t nid, 4129 int dev_id, unsigned char *buf, int *eld_size) 4130 { 4131 WARN_ON(dev_id != 0); 4132 /* call hda_eld.c ATI/AMD-specific function */ 4133 return snd_hdmi_get_eld_ati(codec, nid, buf, eld_size, 4134 is_amdhdmi_rev3_or_later(codec)); 4135 } 4136 4137 static void atihdmi_pin_setup_infoframe(struct hda_codec *codec, 4138 hda_nid_t pin_nid, int dev_id, int ca, 4139 int active_channels, int conn_type) 4140 { 4141 WARN_ON(dev_id != 0); 4142 snd_hda_codec_write(codec, pin_nid, 0, ATI_VERB_SET_CHANNEL_ALLOCATION, ca); 4143 } 4144 4145 static int atihdmi_paired_swap_fc_lfe(int pos) 4146 { 4147 /* 4148 * ATI/AMD have automatic FC/LFE swap built-in 4149 * when in pairwise mapping mode. 4150 */ 4151 4152 switch (pos) { 4153 /* see channel_allocations[].speakers[] */ 4154 case 2: return 3; 4155 case 3: return 2; 4156 default: break; 4157 } 4158 4159 return pos; 4160 } 4161 4162 static int atihdmi_paired_chmap_validate(struct hdac_chmap *chmap, 4163 int ca, int chs, unsigned char *map) 4164 { 4165 struct hdac_cea_channel_speaker_allocation *cap; 4166 int i, j; 4167 4168 /* check that only channel pairs need to be remapped on old pre-rev3 ATI/AMD */ 4169 4170 cap = snd_hdac_get_ch_alloc_from_ca(ca); 4171 for (i = 0; i < chs; ++i) { 4172 int mask = snd_hdac_chmap_to_spk_mask(map[i]); 4173 bool ok = false; 4174 bool companion_ok = false; 4175 4176 if (!mask) 4177 continue; 4178 4179 for (j = 0 + i % 2; j < 8; j += 2) { 4180 int chan_idx = 7 - atihdmi_paired_swap_fc_lfe(j); 4181 if (cap->speakers[chan_idx] == mask) { 4182 /* channel is in a supported position */ 4183 ok = true; 4184 4185 if (i % 2 == 0 && i + 1 < chs) { 4186 /* even channel, check the odd companion */ 4187 int comp_chan_idx = 7 - atihdmi_paired_swap_fc_lfe(j + 1); 4188 int comp_mask_req = snd_hdac_chmap_to_spk_mask(map[i+1]); 4189 int comp_mask_act = cap->speakers[comp_chan_idx]; 4190 4191 if (comp_mask_req == comp_mask_act) 4192 companion_ok = true; 4193 else 4194 return -EINVAL; 4195 } 4196 break; 4197 } 4198 } 4199 4200 if (!ok) 4201 return -EINVAL; 4202 4203 if (companion_ok) 4204 i++; /* companion channel already checked */ 4205 } 4206 4207 return 0; 4208 } 4209 4210 static int atihdmi_pin_set_slot_channel(struct hdac_device *hdac, 4211 hda_nid_t pin_nid, int hdmi_slot, int stream_channel) 4212 { 4213 struct hda_codec *codec = hdac_to_hda_codec(hdac); 4214 int verb; 4215 int ati_channel_setup = 0; 4216 4217 if (hdmi_slot > 7) 4218 return -EINVAL; 4219 4220 if (!has_amd_full_remap_support(codec)) { 4221 hdmi_slot = atihdmi_paired_swap_fc_lfe(hdmi_slot); 4222 4223 /* In case this is an odd slot but without stream channel, do not 4224 * disable the slot since the corresponding even slot could have a 4225 * channel. In case neither have a channel, the slot pair will be 4226 * disabled when this function is called for the even slot. */ 4227 if (hdmi_slot % 2 != 0 && stream_channel == 0xf) 4228 return 0; 4229 4230 hdmi_slot -= hdmi_slot % 2; 4231 4232 if (stream_channel != 0xf) 4233 stream_channel -= stream_channel % 2; 4234 } 4235 4236 verb = ATI_VERB_SET_MULTICHANNEL_01 + hdmi_slot/2 + (hdmi_slot % 2) * 0x00e; 4237 4238 /* ati_channel_setup format: [7..4] = stream_channel_id, [1] = mute, [0] = enable */ 4239 4240 if (stream_channel != 0xf) 4241 ati_channel_setup = (stream_channel << 4) | ATI_OUT_ENABLE; 4242 4243 return snd_hda_codec_write(codec, pin_nid, 0, verb, ati_channel_setup); 4244 } 4245 4246 static int atihdmi_pin_get_slot_channel(struct hdac_device *hdac, 4247 hda_nid_t pin_nid, int asp_slot) 4248 { 4249 struct hda_codec *codec = hdac_to_hda_codec(hdac); 4250 bool was_odd = false; 4251 int ati_asp_slot = asp_slot; 4252 int verb; 4253 int ati_channel_setup; 4254 4255 if (asp_slot > 7) 4256 return -EINVAL; 4257 4258 if (!has_amd_full_remap_support(codec)) { 4259 ati_asp_slot = atihdmi_paired_swap_fc_lfe(asp_slot); 4260 if (ati_asp_slot % 2 != 0) { 4261 ati_asp_slot -= 1; 4262 was_odd = true; 4263 } 4264 } 4265 4266 verb = ATI_VERB_GET_MULTICHANNEL_01 + ati_asp_slot/2 + (ati_asp_slot % 2) * 0x00e; 4267 4268 ati_channel_setup = snd_hda_codec_read(codec, pin_nid, 0, verb, 0); 4269 4270 if (!(ati_channel_setup & ATI_OUT_ENABLE)) 4271 return 0xf; 4272 4273 return ((ati_channel_setup & 0xf0) >> 4) + !!was_odd; 4274 } 4275 4276 static int atihdmi_paired_chmap_cea_alloc_validate_get_type( 4277 struct hdac_chmap *chmap, 4278 struct hdac_cea_channel_speaker_allocation *cap, 4279 int channels) 4280 { 4281 int c; 4282 4283 /* 4284 * Pre-rev3 ATI/AMD codecs operate in a paired channel mode, so 4285 * we need to take that into account (a single channel may take 2 4286 * channel slots if we need to carry a silent channel next to it). 4287 * On Rev3+ AMD codecs this function is not used. 4288 */ 4289 int chanpairs = 0; 4290 4291 /* We only produce even-numbered channel count TLVs */ 4292 if ((channels % 2) != 0) 4293 return -1; 4294 4295 for (c = 0; c < 7; c += 2) { 4296 if (cap->speakers[c] || cap->speakers[c+1]) 4297 chanpairs++; 4298 } 4299 4300 if (chanpairs * 2 != channels) 4301 return -1; 4302 4303 return SNDRV_CTL_TLVT_CHMAP_PAIRED; 4304 } 4305 4306 static void atihdmi_paired_cea_alloc_to_tlv_chmap(struct hdac_chmap *hchmap, 4307 struct hdac_cea_channel_speaker_allocation *cap, 4308 unsigned int *chmap, int channels) 4309 { 4310 /* produce paired maps for pre-rev3 ATI/AMD codecs */ 4311 int count = 0; 4312 int c; 4313 4314 for (c = 7; c >= 0; c--) { 4315 int chan = 7 - atihdmi_paired_swap_fc_lfe(7 - c); 4316 int spk = cap->speakers[chan]; 4317 if (!spk) { 4318 /* add N/A channel if the companion channel is occupied */ 4319 if (cap->speakers[chan + (chan % 2 ? -1 : 1)]) 4320 chmap[count++] = SNDRV_CHMAP_NA; 4321 4322 continue; 4323 } 4324 4325 chmap[count++] = snd_hdac_spk_to_chmap(spk); 4326 } 4327 4328 WARN_ON(count != channels); 4329 } 4330 4331 static int atihdmi_pin_hbr_setup(struct hda_codec *codec, hda_nid_t pin_nid, 4332 int dev_id, bool hbr) 4333 { 4334 int hbr_ctl, hbr_ctl_new; 4335 4336 WARN_ON(dev_id != 0); 4337 4338 hbr_ctl = snd_hda_codec_read(codec, pin_nid, 0, ATI_VERB_GET_HBR_CONTROL, 0); 4339 if (hbr_ctl >= 0 && (hbr_ctl & ATI_HBR_CAPABLE)) { 4340 if (hbr) 4341 hbr_ctl_new = hbr_ctl | ATI_HBR_ENABLE; 4342 else 4343 hbr_ctl_new = hbr_ctl & ~ATI_HBR_ENABLE; 4344 4345 codec_dbg(codec, 4346 "atihdmi_pin_hbr_setup: NID=0x%x, %shbr-ctl=0x%x\n", 4347 pin_nid, 4348 hbr_ctl == hbr_ctl_new ? "" : "new-", 4349 hbr_ctl_new); 4350 4351 if (hbr_ctl != hbr_ctl_new) 4352 snd_hda_codec_write(codec, pin_nid, 0, 4353 ATI_VERB_SET_HBR_CONTROL, 4354 hbr_ctl_new); 4355 4356 } else if (hbr) 4357 return -EINVAL; 4358 4359 return 0; 4360 } 4361 4362 static int atihdmi_setup_stream(struct hda_codec *codec, hda_nid_t cvt_nid, 4363 hda_nid_t pin_nid, int dev_id, 4364 u32 stream_tag, int format) 4365 { 4366 if (is_amdhdmi_rev3_or_later(codec)) { 4367 int ramp_rate = 180; /* default as per AMD spec */ 4368 /* disable ramp-up/down for non-pcm as per AMD spec */ 4369 if (format & AC_FMT_TYPE_NON_PCM) 4370 ramp_rate = 0; 4371 4372 snd_hda_codec_write(codec, cvt_nid, 0, ATI_VERB_SET_RAMP_RATE, ramp_rate); 4373 } 4374 4375 return hdmi_setup_stream(codec, cvt_nid, pin_nid, dev_id, 4376 stream_tag, format); 4377 } 4378 4379 4380 static int atihdmi_init(struct hda_codec *codec) 4381 { 4382 struct hdmi_spec *spec = codec->spec; 4383 int pin_idx, err; 4384 4385 err = generic_hdmi_init(codec); 4386 4387 if (err) 4388 return err; 4389 4390 for (pin_idx = 0; pin_idx < spec->num_pins; pin_idx++) { 4391 struct hdmi_spec_per_pin *per_pin = get_pin(spec, pin_idx); 4392 4393 /* make sure downmix information in infoframe is zero */ 4394 snd_hda_codec_write(codec, per_pin->pin_nid, 0, ATI_VERB_SET_DOWNMIX_INFO, 0); 4395 4396 /* enable channel-wise remap mode if supported */ 4397 if (has_amd_full_remap_support(codec)) 4398 snd_hda_codec_write(codec, per_pin->pin_nid, 0, 4399 ATI_VERB_SET_MULTICHANNEL_MODE, 4400 ATI_MULTICHANNEL_MODE_SINGLE); 4401 } 4402 codec->auto_runtime_pm = 1; 4403 4404 return 0; 4405 } 4406 4407 /* map from pin NID to port; port is 0-based */ 4408 /* for AMD: assume widget NID starting from 3, with step 2 (3, 5, 7, ...) */ 4409 static int atihdmi_pin2port(void *audio_ptr, int pin_nid) 4410 { 4411 return pin_nid / 2 - 1; 4412 } 4413 4414 /* reverse-map from port to pin NID: see above */ 4415 static int atihdmi_port2pin(struct hda_codec *codec, int port) 4416 { 4417 return port * 2 + 3; 4418 } 4419 4420 static const struct drm_audio_component_audio_ops atihdmi_audio_ops = { 4421 .pin2port = atihdmi_pin2port, 4422 .pin_eld_notify = generic_acomp_pin_eld_notify, 4423 .master_bind = generic_acomp_master_bind, 4424 .master_unbind = generic_acomp_master_unbind, 4425 }; 4426 4427 static int patch_atihdmi(struct hda_codec *codec) 4428 { 4429 struct hdmi_spec *spec; 4430 struct hdmi_spec_per_cvt *per_cvt; 4431 int err, cvt_idx; 4432 4433 err = patch_generic_hdmi(codec); 4434 4435 if (err) 4436 return err; 4437 4438 codec->patch_ops.init = atihdmi_init; 4439 4440 spec = codec->spec; 4441 4442 spec->static_pcm_mapping = true; 4443 4444 spec->ops.pin_get_eld = atihdmi_pin_get_eld; 4445 spec->ops.pin_setup_infoframe = atihdmi_pin_setup_infoframe; 4446 spec->ops.pin_hbr_setup = atihdmi_pin_hbr_setup; 4447 spec->ops.setup_stream = atihdmi_setup_stream; 4448 4449 spec->chmap.ops.pin_get_slot_channel = atihdmi_pin_get_slot_channel; 4450 spec->chmap.ops.pin_set_slot_channel = atihdmi_pin_set_slot_channel; 4451 4452 if (!has_amd_full_remap_support(codec)) { 4453 /* override to ATI/AMD-specific versions with pairwise mapping */ 4454 spec->chmap.ops.chmap_cea_alloc_validate_get_type = 4455 atihdmi_paired_chmap_cea_alloc_validate_get_type; 4456 spec->chmap.ops.cea_alloc_to_tlv_chmap = 4457 atihdmi_paired_cea_alloc_to_tlv_chmap; 4458 spec->chmap.ops.chmap_validate = atihdmi_paired_chmap_validate; 4459 } 4460 4461 /* ATI/AMD converters do not advertise all of their capabilities */ 4462 for (cvt_idx = 0; cvt_idx < spec->num_cvts; cvt_idx++) { 4463 per_cvt = get_cvt(spec, cvt_idx); 4464 per_cvt->channels_max = max(per_cvt->channels_max, 8u); 4465 per_cvt->rates |= SUPPORTED_RATES; 4466 per_cvt->formats |= SUPPORTED_FORMATS; 4467 per_cvt->maxbps = max(per_cvt->maxbps, 24u); 4468 } 4469 4470 spec->chmap.channels_max = max(spec->chmap.channels_max, 8u); 4471 4472 /* AMD GPUs have neither EPSS nor CLKSTOP bits, hence preventing 4473 * the link-down as is. Tell the core to allow it. 4474 */ 4475 codec->link_down_at_suspend = 1; 4476 4477 generic_acomp_init(codec, &atihdmi_audio_ops, atihdmi_port2pin); 4478 4479 return 0; 4480 } 4481 4482 /* VIA HDMI Implementation */ 4483 #define VIAHDMI_CVT_NID 0x02 /* audio converter1 */ 4484 #define VIAHDMI_PIN_NID 0x03 /* HDMI output pin1 */ 4485 4486 static int patch_via_hdmi(struct hda_codec *codec) 4487 { 4488 return patch_simple_hdmi(codec, VIAHDMI_CVT_NID, VIAHDMI_PIN_NID); 4489 } 4490 4491 static int patch_gf_hdmi(struct hda_codec *codec) 4492 { 4493 int err; 4494 4495 err = patch_generic_hdmi(codec); 4496 if (err) 4497 return err; 4498 4499 /* 4500 * Glenfly GPUs have two codecs, stream switches from one codec to 4501 * another, need to do actual clean-ups in codec_cleanup_stream 4502 */ 4503 codec->no_sticky_stream = 1; 4504 return 0; 4505 } 4506 4507 /* 4508 * patch entries 4509 */ 4510 static const struct hda_device_id snd_hda_id_hdmi[] = { 4511 HDA_CODEC_ENTRY(0x00147a47, "Loongson HDMI", patch_generic_hdmi), 4512 HDA_CODEC_ENTRY(0x1002793c, "RS600 HDMI", patch_atihdmi), 4513 HDA_CODEC_ENTRY(0x10027919, "RS600 HDMI", patch_atihdmi), 4514 HDA_CODEC_ENTRY(0x1002791a, "RS690/780 HDMI", patch_atihdmi), 4515 HDA_CODEC_ENTRY(0x1002aa01, "R6xx HDMI", patch_atihdmi), 4516 HDA_CODEC_ENTRY(0x10951390, "SiI1390 HDMI", patch_generic_hdmi), 4517 HDA_CODEC_ENTRY(0x10951392, "SiI1392 HDMI", patch_generic_hdmi), 4518 HDA_CODEC_ENTRY(0x17e80047, "Chrontel HDMI", patch_generic_hdmi), 4519 HDA_CODEC_ENTRY(0x10de0001, "MCP73 HDMI", patch_nvhdmi_2ch), 4520 HDA_CODEC_ENTRY(0x10de0002, "MCP77/78 HDMI", patch_nvhdmi_8ch_7x), 4521 HDA_CODEC_ENTRY(0x10de0003, "MCP77/78 HDMI", patch_nvhdmi_8ch_7x), 4522 HDA_CODEC_ENTRY(0x10de0004, "GPU 04 HDMI", patch_nvhdmi_8ch_7x), 4523 HDA_CODEC_ENTRY(0x10de0005, "MCP77/78 HDMI", patch_nvhdmi_8ch_7x), 4524 HDA_CODEC_ENTRY(0x10de0006, "MCP77/78 HDMI", patch_nvhdmi_8ch_7x), 4525 HDA_CODEC_ENTRY(0x10de0007, "MCP79/7A HDMI", patch_nvhdmi_8ch_7x), 4526 HDA_CODEC_ENTRY(0x10de0008, "GPU 08 HDMI/DP", patch_nvhdmi_legacy), 4527 HDA_CODEC_ENTRY(0x10de0009, "GPU 09 HDMI/DP", patch_nvhdmi_legacy), 4528 HDA_CODEC_ENTRY(0x10de000a, "GPU 0a HDMI/DP", patch_nvhdmi_legacy), 4529 HDA_CODEC_ENTRY(0x10de000b, "GPU 0b HDMI/DP", patch_nvhdmi_legacy), 4530 HDA_CODEC_ENTRY(0x10de000c, "MCP89 HDMI", patch_nvhdmi_legacy), 4531 HDA_CODEC_ENTRY(0x10de000d, "GPU 0d HDMI/DP", patch_nvhdmi_legacy), 4532 HDA_CODEC_ENTRY(0x10de0010, "GPU 10 HDMI/DP", patch_nvhdmi_legacy), 4533 HDA_CODEC_ENTRY(0x10de0011, "GPU 11 HDMI/DP", patch_nvhdmi_legacy), 4534 HDA_CODEC_ENTRY(0x10de0012, "GPU 12 HDMI/DP", patch_nvhdmi_legacy), 4535 HDA_CODEC_ENTRY(0x10de0013, "GPU 13 HDMI/DP", patch_nvhdmi_legacy), 4536 HDA_CODEC_ENTRY(0x10de0014, "GPU 14 HDMI/DP", patch_nvhdmi_legacy), 4537 HDA_CODEC_ENTRY(0x10de0015, "GPU 15 HDMI/DP", patch_nvhdmi_legacy), 4538 HDA_CODEC_ENTRY(0x10de0016, "GPU 16 HDMI/DP", patch_nvhdmi_legacy), 4539 /* 17 is known to be absent */ 4540 HDA_CODEC_ENTRY(0x10de0018, "GPU 18 HDMI/DP", patch_nvhdmi_legacy), 4541 HDA_CODEC_ENTRY(0x10de0019, "GPU 19 HDMI/DP", patch_nvhdmi_legacy), 4542 HDA_CODEC_ENTRY(0x10de001a, "GPU 1a HDMI/DP", patch_nvhdmi_legacy), 4543 HDA_CODEC_ENTRY(0x10de001b, "GPU 1b HDMI/DP", patch_nvhdmi_legacy), 4544 HDA_CODEC_ENTRY(0x10de001c, "GPU 1c HDMI/DP", patch_nvhdmi_legacy), 4545 HDA_CODEC_ENTRY(0x10de0020, "Tegra30 HDMI", patch_tegra_hdmi), 4546 HDA_CODEC_ENTRY(0x10de0022, "Tegra114 HDMI", patch_tegra_hdmi), 4547 HDA_CODEC_ENTRY(0x10de0028, "Tegra124 HDMI", patch_tegra_hdmi), 4548 HDA_CODEC_ENTRY(0x10de0029, "Tegra210 HDMI/DP", patch_tegra_hdmi), 4549 HDA_CODEC_ENTRY(0x10de002d, "Tegra186 HDMI/DP0", patch_tegra_hdmi), 4550 HDA_CODEC_ENTRY(0x10de002e, "Tegra186 HDMI/DP1", patch_tegra_hdmi), 4551 HDA_CODEC_ENTRY(0x10de002f, "Tegra194 HDMI/DP2", patch_tegra_hdmi), 4552 HDA_CODEC_ENTRY(0x10de0030, "Tegra194 HDMI/DP3", patch_tegra_hdmi), 4553 HDA_CODEC_ENTRY(0x10de0031, "Tegra234 HDMI/DP", patch_tegra234_hdmi), 4554 HDA_CODEC_ENTRY(0x10de0040, "GPU 40 HDMI/DP", patch_nvhdmi), 4555 HDA_CODEC_ENTRY(0x10de0041, "GPU 41 HDMI/DP", patch_nvhdmi), 4556 HDA_CODEC_ENTRY(0x10de0042, "GPU 42 HDMI/DP", patch_nvhdmi), 4557 HDA_CODEC_ENTRY(0x10de0043, "GPU 43 HDMI/DP", patch_nvhdmi), 4558 HDA_CODEC_ENTRY(0x10de0044, "GPU 44 HDMI/DP", patch_nvhdmi), 4559 HDA_CODEC_ENTRY(0x10de0045, "GPU 45 HDMI/DP", patch_nvhdmi), 4560 HDA_CODEC_ENTRY(0x10de0050, "GPU 50 HDMI/DP", patch_nvhdmi), 4561 HDA_CODEC_ENTRY(0x10de0051, "GPU 51 HDMI/DP", patch_nvhdmi), 4562 HDA_CODEC_ENTRY(0x10de0052, "GPU 52 HDMI/DP", patch_nvhdmi), 4563 HDA_CODEC_ENTRY(0x10de0060, "GPU 60 HDMI/DP", patch_nvhdmi), 4564 HDA_CODEC_ENTRY(0x10de0061, "GPU 61 HDMI/DP", patch_nvhdmi), 4565 HDA_CODEC_ENTRY(0x10de0062, "GPU 62 HDMI/DP", patch_nvhdmi), 4566 HDA_CODEC_ENTRY(0x10de0067, "MCP67 HDMI", patch_nvhdmi_2ch), 4567 HDA_CODEC_ENTRY(0x10de0070, "GPU 70 HDMI/DP", patch_nvhdmi), 4568 HDA_CODEC_ENTRY(0x10de0071, "GPU 71 HDMI/DP", patch_nvhdmi), 4569 HDA_CODEC_ENTRY(0x10de0072, "GPU 72 HDMI/DP", patch_nvhdmi), 4570 HDA_CODEC_ENTRY(0x10de0073, "GPU 73 HDMI/DP", patch_nvhdmi), 4571 HDA_CODEC_ENTRY(0x10de0074, "GPU 74 HDMI/DP", patch_nvhdmi), 4572 HDA_CODEC_ENTRY(0x10de0076, "GPU 76 HDMI/DP", patch_nvhdmi), 4573 HDA_CODEC_ENTRY(0x10de007b, "GPU 7b HDMI/DP", patch_nvhdmi), 4574 HDA_CODEC_ENTRY(0x10de007c, "GPU 7c HDMI/DP", patch_nvhdmi), 4575 HDA_CODEC_ENTRY(0x10de007d, "GPU 7d HDMI/DP", patch_nvhdmi), 4576 HDA_CODEC_ENTRY(0x10de007e, "GPU 7e HDMI/DP", patch_nvhdmi), 4577 HDA_CODEC_ENTRY(0x10de0080, "GPU 80 HDMI/DP", patch_nvhdmi), 4578 HDA_CODEC_ENTRY(0x10de0081, "GPU 81 HDMI/DP", patch_nvhdmi), 4579 HDA_CODEC_ENTRY(0x10de0082, "GPU 82 HDMI/DP", patch_nvhdmi), 4580 HDA_CODEC_ENTRY(0x10de0083, "GPU 83 HDMI/DP", patch_nvhdmi), 4581 HDA_CODEC_ENTRY(0x10de0084, "GPU 84 HDMI/DP", patch_nvhdmi), 4582 HDA_CODEC_ENTRY(0x10de0090, "GPU 90 HDMI/DP", patch_nvhdmi), 4583 HDA_CODEC_ENTRY(0x10de0091, "GPU 91 HDMI/DP", patch_nvhdmi), 4584 HDA_CODEC_ENTRY(0x10de0092, "GPU 92 HDMI/DP", patch_nvhdmi), 4585 HDA_CODEC_ENTRY(0x10de0093, "GPU 93 HDMI/DP", patch_nvhdmi), 4586 HDA_CODEC_ENTRY(0x10de0094, "GPU 94 HDMI/DP", patch_nvhdmi), 4587 HDA_CODEC_ENTRY(0x10de0095, "GPU 95 HDMI/DP", patch_nvhdmi), 4588 HDA_CODEC_ENTRY(0x10de0097, "GPU 97 HDMI/DP", patch_nvhdmi), 4589 HDA_CODEC_ENTRY(0x10de0098, "GPU 98 HDMI/DP", patch_nvhdmi), 4590 HDA_CODEC_ENTRY(0x10de0099, "GPU 99 HDMI/DP", patch_nvhdmi), 4591 HDA_CODEC_ENTRY(0x10de009a, "GPU 9a HDMI/DP", patch_nvhdmi), 4592 HDA_CODEC_ENTRY(0x10de009d, "GPU 9d HDMI/DP", patch_nvhdmi), 4593 HDA_CODEC_ENTRY(0x10de009e, "GPU 9e HDMI/DP", patch_nvhdmi), 4594 HDA_CODEC_ENTRY(0x10de009f, "GPU 9f HDMI/DP", patch_nvhdmi), 4595 HDA_CODEC_ENTRY(0x10de00a0, "GPU a0 HDMI/DP", patch_nvhdmi), 4596 HDA_CODEC_ENTRY(0x10de00a3, "GPU a3 HDMI/DP", patch_nvhdmi), 4597 HDA_CODEC_ENTRY(0x10de00a4, "GPU a4 HDMI/DP", patch_nvhdmi), 4598 HDA_CODEC_ENTRY(0x10de00a5, "GPU a5 HDMI/DP", patch_nvhdmi), 4599 HDA_CODEC_ENTRY(0x10de00a6, "GPU a6 HDMI/DP", patch_nvhdmi), 4600 HDA_CODEC_ENTRY(0x10de00a7, "GPU a7 HDMI/DP", patch_nvhdmi), 4601 HDA_CODEC_ENTRY(0x10de8001, "MCP73 HDMI", patch_nvhdmi_2ch), 4602 HDA_CODEC_ENTRY(0x10de8067, "MCP67/68 HDMI", patch_nvhdmi_2ch), 4603 HDA_CODEC_ENTRY(0x67663d82, "Arise 82 HDMI/DP", patch_gf_hdmi), 4604 HDA_CODEC_ENTRY(0x67663d83, "Arise 83 HDMI/DP", patch_gf_hdmi), 4605 HDA_CODEC_ENTRY(0x67663d84, "Arise 84 HDMI/DP", patch_gf_hdmi), 4606 HDA_CODEC_ENTRY(0x67663d85, "Arise 85 HDMI/DP", patch_gf_hdmi), 4607 HDA_CODEC_ENTRY(0x67663d86, "Arise 86 HDMI/DP", patch_gf_hdmi), 4608 HDA_CODEC_ENTRY(0x67663d87, "Arise 87 HDMI/DP", patch_gf_hdmi), 4609 HDA_CODEC_ENTRY(0x11069f80, "VX900 HDMI/DP", patch_via_hdmi), 4610 HDA_CODEC_ENTRY(0x11069f81, "VX900 HDMI/DP", patch_via_hdmi), 4611 HDA_CODEC_ENTRY(0x11069f84, "VX11 HDMI/DP", patch_generic_hdmi), 4612 HDA_CODEC_ENTRY(0x11069f85, "VX11 HDMI/DP", patch_generic_hdmi), 4613 HDA_CODEC_ENTRY(0x80860054, "IbexPeak HDMI", patch_i915_cpt_hdmi), 4614 HDA_CODEC_ENTRY(0x80862800, "Geminilake HDMI", patch_i915_glk_hdmi), 4615 HDA_CODEC_ENTRY(0x80862801, "Bearlake HDMI", patch_generic_hdmi), 4616 HDA_CODEC_ENTRY(0x80862802, "Cantiga HDMI", patch_generic_hdmi), 4617 HDA_CODEC_ENTRY(0x80862803, "Eaglelake HDMI", patch_generic_hdmi), 4618 HDA_CODEC_ENTRY(0x80862804, "IbexPeak HDMI", patch_i915_cpt_hdmi), 4619 HDA_CODEC_ENTRY(0x80862805, "CougarPoint HDMI", patch_i915_cpt_hdmi), 4620 HDA_CODEC_ENTRY(0x80862806, "PantherPoint HDMI", patch_i915_cpt_hdmi), 4621 HDA_CODEC_ENTRY(0x80862807, "Haswell HDMI", patch_i915_hsw_hdmi), 4622 HDA_CODEC_ENTRY(0x80862808, "Broadwell HDMI", patch_i915_hsw_hdmi), 4623 HDA_CODEC_ENTRY(0x80862809, "Skylake HDMI", patch_i915_hsw_hdmi), 4624 HDA_CODEC_ENTRY(0x8086280a, "Broxton HDMI", patch_i915_hsw_hdmi), 4625 HDA_CODEC_ENTRY(0x8086280b, "Kabylake HDMI", patch_i915_hsw_hdmi), 4626 HDA_CODEC_ENTRY(0x8086280c, "Cannonlake HDMI", patch_i915_glk_hdmi), 4627 HDA_CODEC_ENTRY(0x8086280d, "Geminilake HDMI", patch_i915_glk_hdmi), 4628 HDA_CODEC_ENTRY(0x8086280f, "Icelake HDMI", patch_i915_icl_hdmi), 4629 HDA_CODEC_ENTRY(0x80862812, "Tigerlake HDMI", patch_i915_tgl_hdmi), 4630 HDA_CODEC_ENTRY(0x80862814, "DG1 HDMI", patch_i915_tgl_hdmi), 4631 HDA_CODEC_ENTRY(0x80862815, "Alderlake HDMI", patch_i915_tgl_hdmi), 4632 HDA_CODEC_ENTRY(0x80862816, "Rocketlake HDMI", patch_i915_tgl_hdmi), 4633 HDA_CODEC_ENTRY(0x80862818, "Raptorlake HDMI", patch_i915_tgl_hdmi), 4634 HDA_CODEC_ENTRY(0x80862819, "DG2 HDMI", patch_i915_tgl_hdmi), 4635 HDA_CODEC_ENTRY(0x8086281a, "Jasperlake HDMI", patch_i915_icl_hdmi), 4636 HDA_CODEC_ENTRY(0x8086281b, "Elkhartlake HDMI", patch_i915_icl_hdmi), 4637 HDA_CODEC_ENTRY(0x8086281c, "Alderlake-P HDMI", patch_i915_adlp_hdmi), 4638 HDA_CODEC_ENTRY(0x8086281d, "Meteor Lake HDMI", patch_i915_adlp_hdmi), 4639 HDA_CODEC_ENTRY(0x8086281e, "Battlemage HDMI", patch_i915_adlp_hdmi), 4640 HDA_CODEC_ENTRY(0x8086281f, "Raptor Lake P HDMI", patch_i915_adlp_hdmi), 4641 HDA_CODEC_ENTRY(0x80862820, "Lunar Lake HDMI", patch_i915_adlp_hdmi), 4642 HDA_CODEC_ENTRY(0x80862880, "CedarTrail HDMI", patch_generic_hdmi), 4643 HDA_CODEC_ENTRY(0x80862882, "Valleyview2 HDMI", patch_i915_byt_hdmi), 4644 HDA_CODEC_ENTRY(0x80862883, "Braswell HDMI", patch_i915_byt_hdmi), 4645 HDA_CODEC_ENTRY(0x808629fb, "Crestline HDMI", patch_generic_hdmi), 4646 /* special ID for generic HDMI */ 4647 HDA_CODEC_ENTRY(HDA_CODEC_ID_GENERIC_HDMI, "Generic HDMI", patch_generic_hdmi), 4648 {} /* terminator */ 4649 }; 4650 MODULE_DEVICE_TABLE(hdaudio, snd_hda_id_hdmi); 4651 4652 MODULE_LICENSE("GPL"); 4653 MODULE_DESCRIPTION("HDMI HD-audio codec"); 4654 MODULE_ALIAS("snd-hda-codec-intelhdmi"); 4655 MODULE_ALIAS("snd-hda-codec-nvhdmi"); 4656 MODULE_ALIAS("snd-hda-codec-atihdmi"); 4657 4658 static struct hda_codec_driver hdmi_driver = { 4659 .id = snd_hda_id_hdmi, 4660 }; 4661 4662 module_hda_codec_driver(hdmi_driver); 4663