1// SPDX-License-Identifier: GPL-2.0-or-later 2/* 3 * 4 * patch_hdmi.c - routines for HDMI/DisplayPort codecs 5 * 6 * Copyright(c) 2008-2010 Intel Corporation. All rights reserved. 7 * Copyright (c) 2006 ATI Technologies Inc. 8 * Copyright (c) 2008 NVIDIA Corp. All rights reserved. 9 * Copyright (c) 2008 Wei Ni <wni@nvidia.com> 10 * Copyright (c) 2013 Anssi Hannula <anssi.hannula@iki.fi> 11 * 12 * Authors: 13 * Wu Fengguang <wfg@linux.intel.com> 14 * 15 * Maintained by: 16 * Wu Fengguang <wfg@linux.intel.com> 17 */ 18 19#include <linux/init.h> 20#include <linux/delay.h> 21#include <linux/pci.h> 22#include <linux/slab.h> 23#include <linux/module.h> 24#include <linux/pm_runtime.h> 25#include <sound/core.h> 26#include <sound/jack.h> 27#include <sound/asoundef.h> 28#include <sound/tlv.h> 29#include <sound/hdaudio.h> 30#include <sound/hda_i915.h> 31#include <sound/hda_chmap.h> 32#include <sound/hda_codec.h> 33#include "hda_local.h" 34#include "hda_jack.h" 35#include "hda_controller.h" 36 37static bool static_hdmi_pcm; 38module_param(static_hdmi_pcm, bool, 0644); 39MODULE_PARM_DESC(static_hdmi_pcm, "Don't restrict PCM parameters per ELD info"); 40 41static bool enable_acomp = true; 42module_param(enable_acomp, bool, 0444); 43MODULE_PARM_DESC(enable_acomp, "Enable audio component binding (default=yes)"); 44 45static bool enable_silent_stream = 46IS_ENABLED(CONFIG_SND_HDA_INTEL_HDMI_SILENT_STREAM); 47module_param(enable_silent_stream, bool, 0644); 48MODULE_PARM_DESC(enable_silent_stream, "Enable Silent Stream for HDMI devices"); 49 50static bool enable_all_pins; 51module_param(enable_all_pins, bool, 0444); 52MODULE_PARM_DESC(enable_all_pins, "Forcibly enable all pins"); 53 54struct 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 68struct 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 */ 98struct 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 119struct hdmi_pcm { 120 struct hda_pcm *pcm; 121 struct snd_jack *jack; 122 struct snd_kcontrol *eld_ctl; 123}; 124 125enum { 126 SILENT_STREAM_OFF = 0, 127 SILENT_STREAM_KAE, /* use standard HDA Keep-Alive */ 128 SILENT_STREAM_I915, /* Intel i915 extension */ 129}; 130 131struct 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 197static 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 206struct 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 220struct 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 232union 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 251static 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 276static 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 290static 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 309static 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 323static 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 336static 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 363static 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 402static 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 411static 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 436static 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 449static 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 459static 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 465static 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 493static 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 504static 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 514static 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 534static 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 542static inline int eld_proc_new(struct hdmi_spec_per_pin *per_pin, 543 int index) 544{ 545 return 0; 546} 547static 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 */ 559static 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 */ 570static 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 578static 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 595static 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 624static 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 638static 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 652static 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 673static 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 681static 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 738static 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 791static void hdmi_present_sense(struct hdmi_spec_per_pin *per_pin, int repoll); 792 793static 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 806static 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 816static 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 829static 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 854static 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 883static 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 912static 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 947static 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 */ 992static 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 */ 1050static 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 */ 1068static 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 */ 1088static 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() */ 1164static 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 */ 1181static 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 */ 1192static 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 */ 1240static 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 */ 1331static 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 1364static 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 1376static 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 1400static 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 1416static 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 1427static bool check_non_pcm_per_cvt(struct hda_codec *codec, hda_nid_t cvt_nid); 1428 1429static 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 1472static 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 1485static 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 */ 1500static 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 */ 1602static 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 1661static 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 1681static 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 1700static 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 1772static 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 */ 1818static 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 1844static 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 1854static 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 1875static 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 1954static 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 1991static const struct snd_pci_quirk force_connect_list[] = { 1992 SND_PCI_QUIRK(0x103c, 0x870f, "HP", 1), 1993 SND_PCI_QUIRK(0x103c, 0x871a, "HP", 1), 1994 SND_PCI_QUIRK(0x103c, 0x8711, "HP", 1), 1995 SND_PCI_QUIRK(0x103c, 0x8715, "HP", 1), 1996 SND_PCI_QUIRK(0x1043, 0x86ae, "ASUS", 1), /* Z170 PRO */ 1997 SND_PCI_QUIRK(0x1043, 0x86c7, "ASUS", 1), /* Z170M PLUS */ 1998 SND_PCI_QUIRK(0x1462, 0xec94, "MS-7C94", 1), 1999 SND_PCI_QUIRK(0x8086, 0x2060, "Intel NUC5CPYB", 1), 2000 SND_PCI_QUIRK(0x8086, 0x2081, "Intel NUC 10", 1), 2001 {} 2002}; 2003 2004static int hdmi_parse_codec(struct hda_codec *codec) 2005{ 2006 struct hdmi_spec *spec = codec->spec; 2007 hda_nid_t start_nid; 2008 unsigned int caps; 2009 int i, nodes; 2010 const struct snd_pci_quirk *q; 2011 2012 nodes = snd_hda_get_sub_nodes(codec, codec->core.afg, &start_nid); 2013 if (!start_nid || nodes < 0) { 2014 codec_warn(codec, "HDMI: failed to get afg sub nodes\n"); 2015 return -EINVAL; 2016 } 2017 2018 if (enable_all_pins) 2019 spec->force_connect = true; 2020 2021 q = snd_pci_quirk_lookup(codec->bus->pci, force_connect_list); 2022 2023 if (q && q->value) 2024 spec->force_connect = true; 2025 2026 /* 2027 * hdmi_add_pin() assumes total amount of converters to 2028 * be known, so first discover all converters 2029 */ 2030 for (i = 0; i < nodes; i++) { 2031 hda_nid_t nid = start_nid + i; 2032 2033 caps = get_wcaps(codec, nid); 2034 2035 if (!(caps & AC_WCAP_DIGITAL)) 2036 continue; 2037 2038 if (get_wcaps_type(caps) == AC_WID_AUD_OUT) 2039 hdmi_add_cvt(codec, nid); 2040 } 2041 2042 /* discover audio pins */ 2043 for (i = 0; i < nodes; i++) { 2044 hda_nid_t nid = start_nid + i; 2045 2046 caps = get_wcaps(codec, nid); 2047 2048 if (!(caps & AC_WCAP_DIGITAL)) 2049 continue; 2050 2051 if (get_wcaps_type(caps) == AC_WID_PIN) 2052 hdmi_add_pin(codec, nid); 2053 } 2054 2055 return 0; 2056} 2057 2058/* 2059 */ 2060static bool check_non_pcm_per_cvt(struct hda_codec *codec, hda_nid_t cvt_nid) 2061{ 2062 struct hda_spdif_out *spdif; 2063 bool non_pcm; 2064 2065 mutex_lock(&codec->spdif_mutex); 2066 spdif = snd_hda_spdif_out_of_nid(codec, cvt_nid); 2067 /* Add sanity check to pass klockwork check. 2068 * This should never happen. 2069 */ 2070 if (WARN_ON(spdif == NULL)) { 2071 mutex_unlock(&codec->spdif_mutex); 2072 return true; 2073 } 2074 non_pcm = !!(spdif->status & IEC958_AES0_NONAUDIO); 2075 mutex_unlock(&codec->spdif_mutex); 2076 return non_pcm; 2077} 2078 2079/* 2080 * HDMI callbacks 2081 */ 2082 2083static int generic_hdmi_playback_pcm_prepare(struct hda_pcm_stream *hinfo, 2084 struct hda_codec *codec, 2085 unsigned int stream_tag, 2086 unsigned int format, 2087 struct snd_pcm_substream *substream) 2088{ 2089 hda_nid_t cvt_nid = hinfo->nid; 2090 struct hdmi_spec *spec = codec->spec; 2091 int pin_idx; 2092 struct hdmi_spec_per_pin *per_pin; 2093 struct snd_pcm_runtime *runtime = substream->runtime; 2094 bool non_pcm; 2095 int pinctl, stripe; 2096 int err = 0; 2097 2098 mutex_lock(&spec->pcm_lock); 2099 pin_idx = hinfo_to_pin_index(codec, hinfo); 2100 if (pin_idx < 0) { 2101 /* when pcm is not bound to a pin skip pin setup and return 0 2102 * to make audio playback be ongoing 2103 */ 2104 pin_cvt_fixup(codec, NULL, cvt_nid); 2105 snd_hda_codec_setup_stream(codec, cvt_nid, 2106 stream_tag, 0, format); 2107 goto unlock; 2108 } 2109 2110 per_pin = get_pin(spec, pin_idx); 2111 2112 /* Verify pin:cvt selections to avoid silent audio after S3. 2113 * After S3, the audio driver restores pin:cvt selections 2114 * but this can happen before gfx is ready and such selection 2115 * is overlooked by HW. Thus multiple pins can share a same 2116 * default convertor and mute control will affect each other, 2117 * which can cause a resumed audio playback become silent 2118 * after S3. 2119 */ 2120 pin_cvt_fixup(codec, per_pin, 0); 2121 2122 /* Call sync_audio_rate to set the N/CTS/M manually if necessary */ 2123 /* Todo: add DP1.2 MST audio support later */ 2124 if (codec_has_acomp(codec)) 2125 snd_hdac_sync_audio_rate(&codec->core, per_pin->pin_nid, 2126 per_pin->dev_id, runtime->rate); 2127 2128 non_pcm = check_non_pcm_per_cvt(codec, cvt_nid); 2129 mutex_lock(&per_pin->lock); 2130 per_pin->channels = substream->runtime->channels; 2131 per_pin->setup = true; 2132 2133 if (get_wcaps(codec, cvt_nid) & AC_WCAP_STRIPE) { 2134 stripe = snd_hdac_get_stream_stripe_ctl(&codec->bus->core, 2135 substream); 2136 snd_hda_codec_write(codec, cvt_nid, 0, 2137 AC_VERB_SET_STRIPE_CONTROL, 2138 stripe); 2139 } 2140 2141 hdmi_setup_audio_infoframe(codec, per_pin, non_pcm); 2142 mutex_unlock(&per_pin->lock); 2143 if (spec->dyn_pin_out) { 2144 snd_hda_set_dev_select(codec, per_pin->pin_nid, 2145 per_pin->dev_id); 2146 pinctl = snd_hda_codec_read(codec, per_pin->pin_nid, 0, 2147 AC_VERB_GET_PIN_WIDGET_CONTROL, 0); 2148 snd_hda_codec_write(codec, per_pin->pin_nid, 0, 2149 AC_VERB_SET_PIN_WIDGET_CONTROL, 2150 pinctl | PIN_OUT); 2151 } 2152 2153 /* snd_hda_set_dev_select() has been called before */ 2154 err = spec->ops.setup_stream(codec, cvt_nid, per_pin->pin_nid, 2155 per_pin->dev_id, stream_tag, format); 2156 unlock: 2157 mutex_unlock(&spec->pcm_lock); 2158 return err; 2159} 2160 2161static int generic_hdmi_playback_pcm_cleanup(struct hda_pcm_stream *hinfo, 2162 struct hda_codec *codec, 2163 struct snd_pcm_substream *substream) 2164{ 2165 snd_hda_codec_cleanup_stream(codec, hinfo->nid); 2166 return 0; 2167} 2168 2169static int hdmi_pcm_close(struct hda_pcm_stream *hinfo, 2170 struct hda_codec *codec, 2171 struct snd_pcm_substream *substream) 2172{ 2173 struct hdmi_spec *spec = codec->spec; 2174 int cvt_idx, pin_idx, pcm_idx; 2175 struct hdmi_spec_per_cvt *per_cvt; 2176 struct hdmi_spec_per_pin *per_pin; 2177 int pinctl; 2178 int err = 0; 2179 2180 mutex_lock(&spec->pcm_lock); 2181 if (hinfo->nid) { 2182 pcm_idx = hinfo_to_pcm_index(codec, hinfo); 2183 if (snd_BUG_ON(pcm_idx < 0)) { 2184 err = -EINVAL; 2185 goto unlock; 2186 } 2187 cvt_idx = cvt_nid_to_cvt_index(codec, hinfo->nid); 2188 if (snd_BUG_ON(cvt_idx < 0)) { 2189 err = -EINVAL; 2190 goto unlock; 2191 } 2192 per_cvt = get_cvt(spec, cvt_idx); 2193 per_cvt->assigned = false; 2194 hinfo->nid = 0; 2195 2196 azx_stream(get_azx_dev(substream))->stripe = 0; 2197 2198 snd_hda_spdif_ctls_unassign(codec, pcm_idx); 2199 clear_bit(pcm_idx, &spec->pcm_in_use); 2200 pin_idx = hinfo_to_pin_index(codec, hinfo); 2201 /* 2202 * In such a case, return 0 to match the behavior in 2203 * hdmi_pcm_open() 2204 */ 2205 if (pin_idx < 0) 2206 goto unlock; 2207 2208 per_pin = get_pin(spec, pin_idx); 2209 2210 if (spec->dyn_pin_out) { 2211 snd_hda_set_dev_select(codec, per_pin->pin_nid, 2212 per_pin->dev_id); 2213 pinctl = snd_hda_codec_read(codec, per_pin->pin_nid, 0, 2214 AC_VERB_GET_PIN_WIDGET_CONTROL, 0); 2215 snd_hda_codec_write(codec, per_pin->pin_nid, 0, 2216 AC_VERB_SET_PIN_WIDGET_CONTROL, 2217 pinctl & ~PIN_OUT); 2218 } 2219 2220 mutex_lock(&per_pin->lock); 2221 per_pin->chmap_set = false; 2222 memset(per_pin->chmap, 0, sizeof(per_pin->chmap)); 2223 2224 per_pin->setup = false; 2225 per_pin->channels = 0; 2226 mutex_unlock(&per_pin->lock); 2227 } 2228 2229unlock: 2230 mutex_unlock(&spec->pcm_lock); 2231 2232 return err; 2233} 2234 2235static const struct hda_pcm_ops generic_ops = { 2236 .open = hdmi_pcm_open, 2237 .close = hdmi_pcm_close, 2238 .prepare = generic_hdmi_playback_pcm_prepare, 2239 .cleanup = generic_hdmi_playback_pcm_cleanup, 2240}; 2241 2242static int hdmi_get_spk_alloc(struct hdac_device *hdac, int pcm_idx) 2243{ 2244 struct hda_codec *codec = hdac_to_hda_codec(hdac); 2245 struct hdmi_spec *spec = codec->spec; 2246 struct hdmi_spec_per_pin *per_pin = pcm_idx_to_pin(spec, pcm_idx); 2247 2248 if (!per_pin) 2249 return 0; 2250 2251 return per_pin->sink_eld.info.spk_alloc; 2252} 2253 2254static void hdmi_get_chmap(struct hdac_device *hdac, int pcm_idx, 2255 unsigned char *chmap) 2256{ 2257 struct hda_codec *codec = hdac_to_hda_codec(hdac); 2258 struct hdmi_spec *spec = codec->spec; 2259 struct hdmi_spec_per_pin *per_pin = pcm_idx_to_pin(spec, pcm_idx); 2260 2261 /* chmap is already set to 0 in caller */ 2262 if (!per_pin) 2263 return; 2264 2265 memcpy(chmap, per_pin->chmap, ARRAY_SIZE(per_pin->chmap)); 2266} 2267 2268static void hdmi_set_chmap(struct hdac_device *hdac, int pcm_idx, 2269 unsigned char *chmap, int prepared) 2270{ 2271 struct hda_codec *codec = hdac_to_hda_codec(hdac); 2272 struct hdmi_spec *spec = codec->spec; 2273 struct hdmi_spec_per_pin *per_pin = pcm_idx_to_pin(spec, pcm_idx); 2274 2275 if (!per_pin) 2276 return; 2277 mutex_lock(&per_pin->lock); 2278 per_pin->chmap_set = true; 2279 memcpy(per_pin->chmap, chmap, ARRAY_SIZE(per_pin->chmap)); 2280 if (prepared) 2281 hdmi_setup_audio_infoframe(codec, per_pin, per_pin->non_pcm); 2282 mutex_unlock(&per_pin->lock); 2283} 2284 2285static bool is_hdmi_pcm_attached(struct hdac_device *hdac, int pcm_idx) 2286{ 2287 struct hda_codec *codec = hdac_to_hda_codec(hdac); 2288 struct hdmi_spec *spec = codec->spec; 2289 struct hdmi_spec_per_pin *per_pin = pcm_idx_to_pin(spec, pcm_idx); 2290 2291 return per_pin ? true:false; 2292} 2293 2294static int generic_hdmi_build_pcms(struct hda_codec *codec) 2295{ 2296 struct hdmi_spec *spec = codec->spec; 2297 int idx, pcm_num; 2298 2299 /* limit the PCM devices to the codec converters or available PINs */ 2300 pcm_num = min(spec->num_cvts, spec->num_pins); 2301 codec_dbg(codec, "hdmi: pcm_num set to %d\n", pcm_num); 2302 2303 for (idx = 0; idx < pcm_num; idx++) { 2304 struct hdmi_spec_per_cvt *per_cvt; 2305 struct hda_pcm *info; 2306 struct hda_pcm_stream *pstr; 2307 2308 info = snd_hda_codec_pcm_new(codec, "HDMI %d", idx); 2309 if (!info) 2310 return -ENOMEM; 2311 2312 spec->pcm_rec[idx].pcm = info; 2313 spec->pcm_used++; 2314 info->pcm_type = HDA_PCM_TYPE_HDMI; 2315 info->own_chmap = true; 2316 2317 pstr = &info->stream[SNDRV_PCM_STREAM_PLAYBACK]; 2318 pstr->substreams = 1; 2319 pstr->ops = generic_ops; 2320 2321 per_cvt = get_cvt(spec, 0); 2322 pstr->channels_min = per_cvt->channels_min; 2323 pstr->channels_max = per_cvt->channels_max; 2324 2325 /* pcm number is less than pcm_rec array size */ 2326 if (spec->pcm_used >= ARRAY_SIZE(spec->pcm_rec)) 2327 break; 2328 /* other pstr fields are set in open */ 2329 } 2330 2331 return 0; 2332} 2333 2334static void free_hdmi_jack_priv(struct snd_jack *jack) 2335{ 2336 struct hdmi_pcm *pcm = jack->private_data; 2337 2338 pcm->jack = NULL; 2339} 2340 2341static int generic_hdmi_build_jack(struct hda_codec *codec, int pcm_idx) 2342{ 2343 char hdmi_str[32] = "HDMI/DP"; 2344 struct hdmi_spec *spec = codec->spec; 2345 struct snd_jack *jack; 2346 int pcmdev = get_pcm_rec(spec, pcm_idx)->device; 2347 int err; 2348 2349 if (pcmdev > 0) 2350 sprintf(hdmi_str + strlen(hdmi_str), ",pcm=%d", pcmdev); 2351 2352 err = snd_jack_new(codec->card, hdmi_str, SND_JACK_AVOUT, &jack, 2353 true, false); 2354 if (err < 0) 2355 return err; 2356 2357 spec->pcm_rec[pcm_idx].jack = jack; 2358 jack->private_data = &spec->pcm_rec[pcm_idx]; 2359 jack->private_free = free_hdmi_jack_priv; 2360 return 0; 2361} 2362 2363static int generic_hdmi_build_controls(struct hda_codec *codec) 2364{ 2365 struct hdmi_spec *spec = codec->spec; 2366 int dev, err; 2367 int pin_idx, pcm_idx; 2368 2369 for (pcm_idx = 0; pcm_idx < spec->pcm_used; pcm_idx++) { 2370 if (!get_pcm_rec(spec, pcm_idx)->pcm) { 2371 /* no PCM: mark this for skipping permanently */ 2372 set_bit(pcm_idx, &spec->pcm_bitmap); 2373 continue; 2374 } 2375 2376 err = generic_hdmi_build_jack(codec, pcm_idx); 2377 if (err < 0) 2378 return err; 2379 2380 /* create the spdif for each pcm 2381 * pin will be bound when monitor is connected 2382 */ 2383 err = snd_hda_create_dig_out_ctls(codec, 2384 0, spec->cvt_nids[0], 2385 HDA_PCM_TYPE_HDMI); 2386 if (err < 0) 2387 return err; 2388 snd_hda_spdif_ctls_unassign(codec, pcm_idx); 2389 2390 dev = get_pcm_rec(spec, pcm_idx)->device; 2391 if (dev != SNDRV_PCM_INVALID_DEVICE) { 2392 /* add control for ELD Bytes */ 2393 err = hdmi_create_eld_ctl(codec, pcm_idx, dev); 2394 if (err < 0) 2395 return err; 2396 } 2397 } 2398 2399 for (pin_idx = 0; pin_idx < spec->num_pins; pin_idx++) { 2400 struct hdmi_spec_per_pin *per_pin = get_pin(spec, pin_idx); 2401 struct hdmi_eld *pin_eld = &per_pin->sink_eld; 2402 2403 if (spec->static_pcm_mapping) { 2404 hdmi_attach_hda_pcm(spec, per_pin); 2405 hdmi_pcm_setup_pin(spec, per_pin); 2406 } 2407 2408 pin_eld->eld_valid = false; 2409 hdmi_present_sense(per_pin, 0); 2410 } 2411 2412 /* add channel maps */ 2413 for (pcm_idx = 0; pcm_idx < spec->pcm_used; pcm_idx++) { 2414 struct hda_pcm *pcm; 2415 2416 pcm = get_pcm_rec(spec, pcm_idx); 2417 if (!pcm || !pcm->pcm) 2418 break; 2419 err = snd_hdac_add_chmap_ctls(pcm->pcm, pcm_idx, &spec->chmap); 2420 if (err < 0) 2421 return err; 2422 } 2423 2424 return 0; 2425} 2426 2427static int generic_hdmi_init_per_pins(struct hda_codec *codec) 2428{ 2429 struct hdmi_spec *spec = codec->spec; 2430 int pin_idx; 2431 2432 for (pin_idx = 0; pin_idx < spec->num_pins; pin_idx++) { 2433 struct hdmi_spec_per_pin *per_pin = get_pin(spec, pin_idx); 2434 2435 per_pin->codec = codec; 2436 mutex_init(&per_pin->lock); 2437 INIT_DELAYED_WORK(&per_pin->work, hdmi_repoll_eld); 2438 eld_proc_new(per_pin, pin_idx); 2439 } 2440 return 0; 2441} 2442 2443static int generic_hdmi_init(struct hda_codec *codec) 2444{ 2445 struct hdmi_spec *spec = codec->spec; 2446 int pin_idx; 2447 2448 mutex_lock(&spec->bind_lock); 2449 for (pin_idx = 0; pin_idx < spec->num_pins; pin_idx++) { 2450 struct hdmi_spec_per_pin *per_pin = get_pin(spec, pin_idx); 2451 hda_nid_t pin_nid = per_pin->pin_nid; 2452 int dev_id = per_pin->dev_id; 2453 2454 snd_hda_set_dev_select(codec, pin_nid, dev_id); 2455 hdmi_init_pin(codec, pin_nid); 2456 if (codec_has_acomp(codec)) 2457 continue; 2458 snd_hda_jack_detect_enable_callback_mst(codec, pin_nid, dev_id, 2459 jack_callback); 2460 } 2461 mutex_unlock(&spec->bind_lock); 2462 return 0; 2463} 2464 2465static void hdmi_array_init(struct hdmi_spec *spec, int nums) 2466{ 2467 snd_array_init(&spec->pins, sizeof(struct hdmi_spec_per_pin), nums); 2468 snd_array_init(&spec->cvts, sizeof(struct hdmi_spec_per_cvt), nums); 2469} 2470 2471static void hdmi_array_free(struct hdmi_spec *spec) 2472{ 2473 snd_array_free(&spec->pins); 2474 snd_array_free(&spec->cvts); 2475} 2476 2477static void generic_spec_free(struct hda_codec *codec) 2478{ 2479 struct hdmi_spec *spec = codec->spec; 2480 2481 if (spec) { 2482 hdmi_array_free(spec); 2483 kfree(spec); 2484 codec->spec = NULL; 2485 } 2486 codec->dp_mst = false; 2487} 2488 2489static void generic_hdmi_free(struct hda_codec *codec) 2490{ 2491 struct hdmi_spec *spec = codec->spec; 2492 int pin_idx, pcm_idx; 2493 2494 if (spec->acomp_registered) { 2495 snd_hdac_acomp_exit(&codec->bus->core); 2496 } else if (codec_has_acomp(codec)) { 2497 snd_hdac_acomp_register_notifier(&codec->bus->core, NULL); 2498 } 2499 codec->relaxed_resume = 0; 2500 2501 for (pin_idx = 0; pin_idx < spec->num_pins; pin_idx++) { 2502 struct hdmi_spec_per_pin *per_pin = get_pin(spec, pin_idx); 2503 cancel_delayed_work_sync(&per_pin->work); 2504 eld_proc_free(per_pin); 2505 } 2506 2507 for (pcm_idx = 0; pcm_idx < spec->pcm_used; pcm_idx++) { 2508 if (spec->pcm_rec[pcm_idx].jack == NULL) 2509 continue; 2510 snd_device_free(codec->card, spec->pcm_rec[pcm_idx].jack); 2511 } 2512 2513 generic_spec_free(codec); 2514} 2515 2516#ifdef CONFIG_PM 2517static int generic_hdmi_suspend(struct hda_codec *codec) 2518{ 2519 struct hdmi_spec *spec = codec->spec; 2520 int pin_idx; 2521 2522 for (pin_idx = 0; pin_idx < spec->num_pins; pin_idx++) { 2523 struct hdmi_spec_per_pin *per_pin = get_pin(spec, pin_idx); 2524 cancel_delayed_work_sync(&per_pin->work); 2525 } 2526 return 0; 2527} 2528 2529static int generic_hdmi_resume(struct hda_codec *codec) 2530{ 2531 struct hdmi_spec *spec = codec->spec; 2532 int pin_idx; 2533 2534 codec->patch_ops.init(codec); 2535 snd_hda_regmap_sync(codec); 2536 2537 for (pin_idx = 0; pin_idx < spec->num_pins; pin_idx++) { 2538 struct hdmi_spec_per_pin *per_pin = get_pin(spec, pin_idx); 2539 hdmi_present_sense(per_pin, 1); 2540 } 2541 return 0; 2542} 2543#endif 2544 2545static 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#ifdef CONFIG_PM 2552 .suspend = generic_hdmi_suspend, 2553 .resume = generic_hdmi_resume, 2554#endif 2555}; 2556 2557static const struct hdmi_ops generic_standard_hdmi_ops = { 2558 .pin_get_eld = hdmi_pin_get_eld, 2559 .pin_setup_infoframe = hdmi_pin_setup_infoframe, 2560 .pin_hbr_setup = hdmi_pin_hbr_setup, 2561 .setup_stream = hdmi_setup_stream, 2562}; 2563 2564/* allocate codec->spec and assign/initialize generic parser ops */ 2565static int alloc_generic_hdmi(struct hda_codec *codec) 2566{ 2567 struct hdmi_spec *spec; 2568 2569 spec = kzalloc(sizeof(*spec), GFP_KERNEL); 2570 if (!spec) 2571 return -ENOMEM; 2572 2573 spec->codec = codec; 2574 spec->ops = generic_standard_hdmi_ops; 2575 spec->dev_num = 1; /* initialize to 1 */ 2576 mutex_init(&spec->pcm_lock); 2577 mutex_init(&spec->bind_lock); 2578 snd_hdac_register_chmap_ops(&codec->core, &spec->chmap); 2579 2580 spec->chmap.ops.get_chmap = hdmi_get_chmap; 2581 spec->chmap.ops.set_chmap = hdmi_set_chmap; 2582 spec->chmap.ops.is_pcm_attached = is_hdmi_pcm_attached; 2583 spec->chmap.ops.get_spk_alloc = hdmi_get_spk_alloc; 2584 2585 codec->spec = spec; 2586 hdmi_array_init(spec, 4); 2587 2588 codec->patch_ops = generic_hdmi_patch_ops; 2589 2590 return 0; 2591} 2592 2593/* generic HDMI parser */ 2594static int patch_generic_hdmi(struct hda_codec *codec) 2595{ 2596 int err; 2597 2598 err = alloc_generic_hdmi(codec); 2599 if (err < 0) 2600 return err; 2601 2602 err = hdmi_parse_codec(codec); 2603 if (err < 0) { 2604 generic_spec_free(codec); 2605 return err; 2606 } 2607 2608 generic_hdmi_init_per_pins(codec); 2609 return 0; 2610} 2611 2612/* 2613 * generic audio component binding 2614 */ 2615 2616/* turn on / off the unsol event jack detection dynamically */ 2617static void reprogram_jack_detect(struct hda_codec *codec, hda_nid_t nid, 2618 int dev_id, bool use_acomp) 2619{ 2620 struct hda_jack_tbl *tbl; 2621 2622 tbl = snd_hda_jack_tbl_get_mst(codec, nid, dev_id); 2623 if (tbl) { 2624 /* clear unsol even if component notifier is used, or re-enable 2625 * if notifier is cleared 2626 */ 2627 unsigned int val = use_acomp ? 0 : (AC_USRSP_EN | tbl->tag); 2628 snd_hda_codec_write_cache(codec, nid, 0, 2629 AC_VERB_SET_UNSOLICITED_ENABLE, val); 2630 } 2631} 2632 2633/* set up / clear component notifier dynamically */ 2634static void generic_acomp_notifier_set(struct drm_audio_component *acomp, 2635 bool use_acomp) 2636{ 2637 struct hdmi_spec *spec; 2638 int i; 2639 2640 spec = container_of(acomp->audio_ops, struct hdmi_spec, drm_audio_ops); 2641 mutex_lock(&spec->bind_lock); 2642 spec->use_acomp_notifier = use_acomp; 2643 spec->codec->relaxed_resume = use_acomp; 2644 spec->codec->bus->keep_power = 0; 2645 /* reprogram each jack detection logic depending on the notifier */ 2646 for (i = 0; i < spec->num_pins; i++) 2647 reprogram_jack_detect(spec->codec, 2648 get_pin(spec, i)->pin_nid, 2649 get_pin(spec, i)->dev_id, 2650 use_acomp); 2651 mutex_unlock(&spec->bind_lock); 2652} 2653 2654/* enable / disable the notifier via master bind / unbind */ 2655static int generic_acomp_master_bind(struct device *dev, 2656 struct drm_audio_component *acomp) 2657{ 2658 generic_acomp_notifier_set(acomp, true); 2659 return 0; 2660} 2661 2662static void generic_acomp_master_unbind(struct device *dev, 2663 struct drm_audio_component *acomp) 2664{ 2665 generic_acomp_notifier_set(acomp, false); 2666} 2667 2668/* check whether both HD-audio and DRM PCI devices belong to the same bus */ 2669static int match_bound_vga(struct device *dev, int subtype, void *data) 2670{ 2671 struct hdac_bus *bus = data; 2672 struct pci_dev *pci, *master; 2673 2674 if (!dev_is_pci(dev) || !dev_is_pci(bus->dev)) 2675 return 0; 2676 master = to_pci_dev(bus->dev); 2677 pci = to_pci_dev(dev); 2678 return master->bus == pci->bus; 2679} 2680 2681/* audio component notifier for AMD/Nvidia HDMI codecs */ 2682static void generic_acomp_pin_eld_notify(void *audio_ptr, int port, int dev_id) 2683{ 2684 struct hda_codec *codec = audio_ptr; 2685 struct hdmi_spec *spec = codec->spec; 2686 hda_nid_t pin_nid = spec->port2pin(codec, port); 2687 2688 if (!pin_nid) 2689 return; 2690 if (get_wcaps_type(get_wcaps(codec, pin_nid)) != AC_WID_PIN) 2691 return; 2692 /* skip notification during system suspend (but not in runtime PM); 2693 * the state will be updated at resume 2694 */ 2695 if (codec->core.dev.power.power_state.event == PM_EVENT_SUSPEND) 2696 return; 2697 2698 check_presence_and_report(codec, pin_nid, dev_id); 2699} 2700 2701/* set up the private drm_audio_ops from the template */ 2702static void setup_drm_audio_ops(struct hda_codec *codec, 2703 const struct drm_audio_component_audio_ops *ops) 2704{ 2705 struct hdmi_spec *spec = codec->spec; 2706 2707 spec->drm_audio_ops.audio_ptr = codec; 2708 /* intel_audio_codec_enable() or intel_audio_codec_disable() 2709 * will call pin_eld_notify with using audio_ptr pointer 2710 * We need make sure audio_ptr is really setup 2711 */ 2712 wmb(); 2713 spec->drm_audio_ops.pin2port = ops->pin2port; 2714 spec->drm_audio_ops.pin_eld_notify = ops->pin_eld_notify; 2715 spec->drm_audio_ops.master_bind = ops->master_bind; 2716 spec->drm_audio_ops.master_unbind = ops->master_unbind; 2717} 2718 2719/* initialize the generic HDMI audio component */ 2720static void generic_acomp_init(struct hda_codec *codec, 2721 const struct drm_audio_component_audio_ops *ops, 2722 int (*port2pin)(struct hda_codec *, int)) 2723{ 2724 struct hdmi_spec *spec = codec->spec; 2725 2726 if (!enable_acomp) { 2727 codec_info(codec, "audio component disabled by module option\n"); 2728 return; 2729 } 2730 2731 spec->port2pin = port2pin; 2732 setup_drm_audio_ops(codec, ops); 2733 if (!snd_hdac_acomp_init(&codec->bus->core, &spec->drm_audio_ops, 2734 match_bound_vga, 0)) { 2735 spec->acomp_registered = true; 2736 } 2737} 2738 2739/* 2740 * Intel codec parsers and helpers 2741 */ 2742 2743#define INTEL_GET_VENDOR_VERB 0xf81 2744#define INTEL_SET_VENDOR_VERB 0x781 2745#define INTEL_EN_DP12 0x02 /* enable DP 1.2 features */ 2746#define INTEL_EN_ALL_PIN_CVTS 0x01 /* enable 2nd & 3rd pins and convertors */ 2747 2748static void intel_haswell_enable_all_pins(struct hda_codec *codec, 2749 bool update_tree) 2750{ 2751 unsigned int vendor_param; 2752 struct hdmi_spec *spec = codec->spec; 2753 2754 vendor_param = snd_hda_codec_read(codec, spec->vendor_nid, 0, 2755 INTEL_GET_VENDOR_VERB, 0); 2756 if (vendor_param == -1 || vendor_param & INTEL_EN_ALL_PIN_CVTS) 2757 return; 2758 2759 vendor_param |= INTEL_EN_ALL_PIN_CVTS; 2760 vendor_param = snd_hda_codec_read(codec, spec->vendor_nid, 0, 2761 INTEL_SET_VENDOR_VERB, vendor_param); 2762 if (vendor_param == -1) 2763 return; 2764 2765 if (update_tree) 2766 snd_hda_codec_update_widgets(codec); 2767} 2768 2769static void intel_haswell_fixup_enable_dp12(struct hda_codec *codec) 2770{ 2771 unsigned int vendor_param; 2772 struct hdmi_spec *spec = codec->spec; 2773 2774 vendor_param = snd_hda_codec_read(codec, spec->vendor_nid, 0, 2775 INTEL_GET_VENDOR_VERB, 0); 2776 if (vendor_param == -1 || vendor_param & INTEL_EN_DP12) 2777 return; 2778 2779 /* enable DP1.2 mode */ 2780 vendor_param |= INTEL_EN_DP12; 2781 snd_hdac_regmap_add_vendor_verb(&codec->core, INTEL_SET_VENDOR_VERB); 2782 snd_hda_codec_write_cache(codec, spec->vendor_nid, 0, 2783 INTEL_SET_VENDOR_VERB, vendor_param); 2784} 2785 2786/* Haswell needs to re-issue the vendor-specific verbs before turning to D0. 2787 * Otherwise you may get severe h/w communication errors. 2788 */ 2789static void haswell_set_power_state(struct hda_codec *codec, hda_nid_t fg, 2790 unsigned int power_state) 2791{ 2792 if (power_state == AC_PWRST_D0) { 2793 intel_haswell_enable_all_pins(codec, false); 2794 intel_haswell_fixup_enable_dp12(codec); 2795 } 2796 2797 snd_hda_codec_read(codec, fg, 0, AC_VERB_SET_POWER_STATE, power_state); 2798 snd_hda_codec_set_power_to_all(codec, fg, power_state); 2799} 2800 2801/* There is a fixed mapping between audio pin node and display port. 2802 * on SNB, IVY, HSW, BSW, SKL, BXT, KBL: 2803 * Pin Widget 5 - PORT B (port = 1 in i915 driver) 2804 * Pin Widget 6 - PORT C (port = 2 in i915 driver) 2805 * Pin Widget 7 - PORT D (port = 3 in i915 driver) 2806 * 2807 * on VLV, ILK: 2808 * Pin Widget 4 - PORT B (port = 1 in i915 driver) 2809 * Pin Widget 5 - PORT C (port = 2 in i915 driver) 2810 * Pin Widget 6 - PORT D (port = 3 in i915 driver) 2811 */ 2812static int intel_base_nid(struct hda_codec *codec) 2813{ 2814 switch (codec->core.vendor_id) { 2815 case 0x80860054: /* ILK */ 2816 case 0x80862804: /* ILK */ 2817 case 0x80862882: /* VLV */ 2818 return 4; 2819 default: 2820 return 5; 2821 } 2822} 2823 2824static int intel_pin2port(void *audio_ptr, int pin_nid) 2825{ 2826 struct hda_codec *codec = audio_ptr; 2827 struct hdmi_spec *spec = codec->spec; 2828 int base_nid, i; 2829 2830 if (!spec->port_num) { 2831 base_nid = intel_base_nid(codec); 2832 if (WARN_ON(pin_nid < base_nid || pin_nid >= base_nid + 3)) 2833 return -1; 2834 return pin_nid - base_nid + 1; 2835 } 2836 2837 /* 2838 * looking for the pin number in the mapping table and return 2839 * the index which indicate the port number 2840 */ 2841 for (i = 0; i < spec->port_num; i++) { 2842 if (pin_nid == spec->port_map[i]) 2843 return i; 2844 } 2845 2846 codec_info(codec, "Can't find the HDMI/DP port for pin NID 0x%x\n", pin_nid); 2847 return -1; 2848} 2849 2850static int intel_port2pin(struct hda_codec *codec, int port) 2851{ 2852 struct hdmi_spec *spec = codec->spec; 2853 2854 if (!spec->port_num) { 2855 /* we assume only from port-B to port-D */ 2856 if (port < 1 || port > 3) 2857 return 0; 2858 return port + intel_base_nid(codec) - 1; 2859 } 2860 2861 if (port < 0 || port >= spec->port_num) 2862 return 0; 2863 return spec->port_map[port]; 2864} 2865 2866static void intel_pin_eld_notify(void *audio_ptr, int port, int pipe) 2867{ 2868 struct hda_codec *codec = audio_ptr; 2869 int pin_nid; 2870 int dev_id = pipe; 2871 2872 pin_nid = intel_port2pin(codec, port); 2873 if (!pin_nid) 2874 return; 2875 /* skip notification during system suspend (but not in runtime PM); 2876 * the state will be updated at resume 2877 */ 2878 if (codec->core.dev.power.power_state.event == PM_EVENT_SUSPEND) 2879 return; 2880 2881 snd_hdac_i915_set_bclk(&codec->bus->core); 2882 check_presence_and_report(codec, pin_nid, dev_id); 2883} 2884 2885static const struct drm_audio_component_audio_ops intel_audio_ops = { 2886 .pin2port = intel_pin2port, 2887 .pin_eld_notify = intel_pin_eld_notify, 2888}; 2889 2890/* register i915 component pin_eld_notify callback */ 2891static void register_i915_notifier(struct hda_codec *codec) 2892{ 2893 struct hdmi_spec *spec = codec->spec; 2894 2895 spec->use_acomp_notifier = true; 2896 spec->port2pin = intel_port2pin; 2897 setup_drm_audio_ops(codec, &intel_audio_ops); 2898 snd_hdac_acomp_register_notifier(&codec->bus->core, 2899 &spec->drm_audio_ops); 2900 /* no need for forcible resume for jack check thanks to notifier */ 2901 codec->relaxed_resume = 1; 2902} 2903 2904/* setup_stream ops override for HSW+ */ 2905static int i915_hsw_setup_stream(struct hda_codec *codec, hda_nid_t cvt_nid, 2906 hda_nid_t pin_nid, int dev_id, u32 stream_tag, 2907 int format) 2908{ 2909 struct hdmi_spec *spec = codec->spec; 2910 int pin_idx = pin_id_to_pin_index(codec, pin_nid, dev_id); 2911 struct hdmi_spec_per_pin *per_pin; 2912 int res; 2913 2914 if (pin_idx < 0) 2915 per_pin = NULL; 2916 else 2917 per_pin = get_pin(spec, pin_idx); 2918 2919 haswell_verify_D0(codec, cvt_nid, pin_nid); 2920 2921 if (spec->silent_stream_type == SILENT_STREAM_KAE && per_pin && per_pin->silent_stream) { 2922 silent_stream_set_kae(codec, per_pin, false); 2923 /* wait for pending transfers in codec to clear */ 2924 usleep_range(100, 200); 2925 } 2926 2927 res = hdmi_setup_stream(codec, cvt_nid, pin_nid, dev_id, 2928 stream_tag, format); 2929 2930 if (spec->silent_stream_type == SILENT_STREAM_KAE && per_pin && per_pin->silent_stream) { 2931 usleep_range(100, 200); 2932 silent_stream_set_kae(codec, per_pin, true); 2933 } 2934 2935 return res; 2936} 2937 2938/* pin_cvt_fixup ops override for HSW+ and VLV+ */ 2939static void i915_pin_cvt_fixup(struct hda_codec *codec, 2940 struct hdmi_spec_per_pin *per_pin, 2941 hda_nid_t cvt_nid) 2942{ 2943 if (per_pin) { 2944 haswell_verify_D0(codec, per_pin->cvt_nid, per_pin->pin_nid); 2945 snd_hda_set_dev_select(codec, per_pin->pin_nid, 2946 per_pin->dev_id); 2947 intel_verify_pin_cvt_connect(codec, per_pin); 2948 intel_not_share_assigned_cvt(codec, per_pin->pin_nid, 2949 per_pin->dev_id, per_pin->mux_idx); 2950 } else { 2951 intel_not_share_assigned_cvt_nid(codec, 0, 0, cvt_nid); 2952 } 2953} 2954 2955#ifdef CONFIG_PM 2956static int i915_adlp_hdmi_suspend(struct hda_codec *codec) 2957{ 2958 struct hdmi_spec *spec = codec->spec; 2959 bool silent_streams = false; 2960 int pin_idx, res; 2961 2962 res = generic_hdmi_suspend(codec); 2963 2964 for (pin_idx = 0; pin_idx < spec->num_pins; pin_idx++) { 2965 struct hdmi_spec_per_pin *per_pin = get_pin(spec, pin_idx); 2966 2967 if (per_pin->silent_stream) { 2968 silent_streams = true; 2969 break; 2970 } 2971 } 2972 2973 if (silent_streams && spec->silent_stream_type == SILENT_STREAM_KAE) { 2974 /* 2975 * stream-id should remain programmed when codec goes 2976 * to runtime suspend 2977 */ 2978 codec->no_stream_clean_at_suspend = 1; 2979 2980 /* 2981 * the system might go to S3, in which case keep-alive 2982 * must be reprogrammed upon resume 2983 */ 2984 codec->forced_resume = 1; 2985 2986 codec_dbg(codec, "HDMI: KAE active at suspend\n"); 2987 } else { 2988 codec->no_stream_clean_at_suspend = 0; 2989 codec->forced_resume = 0; 2990 } 2991 2992 return res; 2993} 2994 2995static int i915_adlp_hdmi_resume(struct hda_codec *codec) 2996{ 2997 struct hdmi_spec *spec = codec->spec; 2998 int pin_idx, res; 2999 3000 res = generic_hdmi_resume(codec); 3001 3002 /* KAE not programmed at suspend, nothing to do here */ 3003 if (!codec->no_stream_clean_at_suspend) 3004 return res; 3005 3006 for (pin_idx = 0; pin_idx < spec->num_pins; pin_idx++) { 3007 struct hdmi_spec_per_pin *per_pin = get_pin(spec, pin_idx); 3008 3009 /* 3010 * If system was in suspend with monitor connected, 3011 * the codec setting may have been lost. Re-enable 3012 * keep-alive. 3013 */ 3014 if (per_pin->silent_stream) { 3015 unsigned int param; 3016 3017 param = snd_hda_codec_read(codec, per_pin->cvt_nid, 0, 3018 AC_VERB_GET_CONV, 0); 3019 if (!param) { 3020 codec_dbg(codec, "HDMI: KAE: restore stream id\n"); 3021 silent_stream_enable_i915(codec, per_pin); 3022 } 3023 3024 param = snd_hda_codec_read(codec, per_pin->cvt_nid, 0, 3025 AC_VERB_GET_DIGI_CONVERT_1, 0); 3026 if (!(param & (AC_DIG3_KAE << 16))) { 3027 codec_dbg(codec, "HDMI: KAE: restore DIG3_KAE\n"); 3028 silent_stream_set_kae(codec, per_pin, true); 3029 } 3030 } 3031 } 3032 3033 return res; 3034} 3035#endif 3036 3037/* precondition and allocation for Intel codecs */ 3038static int alloc_intel_hdmi(struct hda_codec *codec) 3039{ 3040 int err; 3041 3042 /* requires i915 binding */ 3043 if (!codec->bus->core.audio_component) { 3044 codec_info(codec, "No i915 binding for Intel HDMI/DP codec\n"); 3045 /* set probe_id here to prevent generic fallback binding */ 3046 codec->probe_id = HDA_CODEC_ID_SKIP_PROBE; 3047 return -ENODEV; 3048 } 3049 3050 err = alloc_generic_hdmi(codec); 3051 if (err < 0) 3052 return err; 3053 /* no need to handle unsol events */ 3054 codec->patch_ops.unsol_event = NULL; 3055 return 0; 3056} 3057 3058/* parse and post-process for Intel codecs */ 3059static int parse_intel_hdmi(struct hda_codec *codec) 3060{ 3061 int err, retries = 3; 3062 3063 do { 3064 err = hdmi_parse_codec(codec); 3065 } while (err < 0 && retries--); 3066 3067 if (err < 0) { 3068 generic_spec_free(codec); 3069 return err; 3070 } 3071 3072 generic_hdmi_init_per_pins(codec); 3073 register_i915_notifier(codec); 3074 return 0; 3075} 3076 3077/* Intel Haswell and onwards; audio component with eld notifier */ 3078static int intel_hsw_common_init(struct hda_codec *codec, hda_nid_t vendor_nid, 3079 const int *port_map, int port_num, int dev_num, 3080 bool send_silent_stream) 3081{ 3082 struct hdmi_spec *spec; 3083 int err; 3084 3085 err = alloc_intel_hdmi(codec); 3086 if (err < 0) 3087 return err; 3088 spec = codec->spec; 3089 codec->dp_mst = true; 3090 spec->vendor_nid = vendor_nid; 3091 spec->port_map = port_map; 3092 spec->port_num = port_num; 3093 spec->intel_hsw_fixup = true; 3094 spec->dev_num = dev_num; 3095 3096 intel_haswell_enable_all_pins(codec, true); 3097 intel_haswell_fixup_enable_dp12(codec); 3098 3099 codec->display_power_control = 1; 3100 3101 codec->patch_ops.set_power_state = haswell_set_power_state; 3102 codec->depop_delay = 0; 3103 codec->auto_runtime_pm = 1; 3104 3105 spec->ops.setup_stream = i915_hsw_setup_stream; 3106 spec->ops.pin_cvt_fixup = i915_pin_cvt_fixup; 3107 3108 /* 3109 * Enable silent stream feature, if it is enabled via 3110 * module param or Kconfig option 3111 */ 3112 if (send_silent_stream) 3113 spec->silent_stream_type = SILENT_STREAM_I915; 3114 3115 return parse_intel_hdmi(codec); 3116} 3117 3118static int patch_i915_hsw_hdmi(struct hda_codec *codec) 3119{ 3120 return intel_hsw_common_init(codec, 0x08, NULL, 0, 3, 3121 enable_silent_stream); 3122} 3123 3124static int patch_i915_glk_hdmi(struct hda_codec *codec) 3125{ 3126 /* 3127 * Silent stream calls audio component .get_power() from 3128 * .pin_eld_notify(). On GLK this will deadlock in i915 due 3129 * to the audio vs. CDCLK workaround. 3130 */ 3131 return intel_hsw_common_init(codec, 0x0b, NULL, 0, 3, false); 3132} 3133 3134static int patch_i915_icl_hdmi(struct hda_codec *codec) 3135{ 3136 /* 3137 * pin to port mapping table where the value indicate the pin number and 3138 * the index indicate the port number. 3139 */ 3140 static const int map[] = {0x0, 0x4, 0x6, 0x8, 0xa, 0xb}; 3141 3142 return intel_hsw_common_init(codec, 0x02, map, ARRAY_SIZE(map), 3, 3143 enable_silent_stream); 3144} 3145 3146static int patch_i915_tgl_hdmi(struct hda_codec *codec) 3147{ 3148 /* 3149 * pin to port mapping table where the value indicate the pin number and 3150 * the index indicate the port number. 3151 */ 3152 static const int map[] = {0x4, 0x6, 0x8, 0xa, 0xb, 0xc, 0xd, 0xe, 0xf}; 3153 3154 return intel_hsw_common_init(codec, 0x02, map, ARRAY_SIZE(map), 4, 3155 enable_silent_stream); 3156} 3157 3158static int patch_i915_adlp_hdmi(struct hda_codec *codec) 3159{ 3160 struct hdmi_spec *spec; 3161 int res; 3162 3163 res = patch_i915_tgl_hdmi(codec); 3164 if (!res) { 3165 spec = codec->spec; 3166 3167 if (spec->silent_stream_type) { 3168 spec->silent_stream_type = SILENT_STREAM_KAE; 3169 3170#ifdef CONFIG_PM 3171 codec->patch_ops.resume = i915_adlp_hdmi_resume; 3172 codec->patch_ops.suspend = i915_adlp_hdmi_suspend; 3173#endif 3174 } 3175 } 3176 3177 return res; 3178} 3179 3180/* Intel Baytrail and Braswell; with eld notifier */ 3181static int patch_i915_byt_hdmi(struct hda_codec *codec) 3182{ 3183 struct hdmi_spec *spec; 3184 int err; 3185 3186 err = alloc_intel_hdmi(codec); 3187 if (err < 0) 3188 return err; 3189 spec = codec->spec; 3190 3191 /* For Valleyview/Cherryview, only the display codec is in the display 3192 * power well and can use link_power ops to request/release the power. 3193 */ 3194 codec->display_power_control = 1; 3195 3196 codec->depop_delay = 0; 3197 codec->auto_runtime_pm = 1; 3198 3199 spec->ops.pin_cvt_fixup = i915_pin_cvt_fixup; 3200 3201 return parse_intel_hdmi(codec); 3202} 3203 3204/* Intel IronLake, SandyBridge and IvyBridge; with eld notifier */ 3205static int patch_i915_cpt_hdmi(struct hda_codec *codec) 3206{ 3207 int err; 3208 3209 err = alloc_intel_hdmi(codec); 3210 if (err < 0) 3211 return err; 3212 return parse_intel_hdmi(codec); 3213} 3214 3215/* 3216 * Shared non-generic implementations 3217 */ 3218 3219static int simple_playback_build_pcms(struct hda_codec *codec) 3220{ 3221 struct hdmi_spec *spec = codec->spec; 3222 struct hda_pcm *info; 3223 unsigned int chans; 3224 struct hda_pcm_stream *pstr; 3225 struct hdmi_spec_per_cvt *per_cvt; 3226 3227 per_cvt = get_cvt(spec, 0); 3228 chans = get_wcaps(codec, per_cvt->cvt_nid); 3229 chans = get_wcaps_channels(chans); 3230 3231 info = snd_hda_codec_pcm_new(codec, "HDMI 0"); 3232 if (!info) 3233 return -ENOMEM; 3234 spec->pcm_rec[0].pcm = info; 3235 info->pcm_type = HDA_PCM_TYPE_HDMI; 3236 pstr = &info->stream[SNDRV_PCM_STREAM_PLAYBACK]; 3237 *pstr = spec->pcm_playback; 3238 pstr->nid = per_cvt->cvt_nid; 3239 if (pstr->channels_max <= 2 && chans && chans <= 16) 3240 pstr->channels_max = chans; 3241 3242 return 0; 3243} 3244 3245/* unsolicited event for jack sensing */ 3246static void simple_hdmi_unsol_event(struct hda_codec *codec, 3247 unsigned int res) 3248{ 3249 snd_hda_jack_set_dirty_all(codec); 3250 snd_hda_jack_report_sync(codec); 3251} 3252 3253/* generic_hdmi_build_jack can be used for simple_hdmi, too, 3254 * as long as spec->pins[] is set correctly 3255 */ 3256#define simple_hdmi_build_jack generic_hdmi_build_jack 3257 3258static int simple_playback_build_controls(struct hda_codec *codec) 3259{ 3260 struct hdmi_spec *spec = codec->spec; 3261 struct hdmi_spec_per_cvt *per_cvt; 3262 int err; 3263 3264 per_cvt = get_cvt(spec, 0); 3265 err = snd_hda_create_dig_out_ctls(codec, per_cvt->cvt_nid, 3266 per_cvt->cvt_nid, 3267 HDA_PCM_TYPE_HDMI); 3268 if (err < 0) 3269 return err; 3270 return simple_hdmi_build_jack(codec, 0); 3271} 3272 3273static int simple_playback_init(struct hda_codec *codec) 3274{ 3275 struct hdmi_spec *spec = codec->spec; 3276 struct hdmi_spec_per_pin *per_pin = get_pin(spec, 0); 3277 hda_nid_t pin = per_pin->pin_nid; 3278 3279 snd_hda_codec_write(codec, pin, 0, 3280 AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_OUT); 3281 /* some codecs require to unmute the pin */ 3282 if (get_wcaps(codec, pin) & AC_WCAP_OUT_AMP) 3283 snd_hda_codec_write(codec, pin, 0, AC_VERB_SET_AMP_GAIN_MUTE, 3284 AMP_OUT_UNMUTE); 3285 snd_hda_jack_detect_enable(codec, pin, per_pin->dev_id); 3286 return 0; 3287} 3288 3289static void simple_playback_free(struct hda_codec *codec) 3290{ 3291 struct hdmi_spec *spec = codec->spec; 3292 3293 hdmi_array_free(spec); 3294 kfree(spec); 3295} 3296 3297/* 3298 * Nvidia specific implementations 3299 */ 3300 3301#define Nv_VERB_SET_Channel_Allocation 0xF79 3302#define Nv_VERB_SET_Info_Frame_Checksum 0xF7A 3303#define Nv_VERB_SET_Audio_Protection_On 0xF98 3304#define Nv_VERB_SET_Audio_Protection_Off 0xF99 3305 3306#define nvhdmi_master_con_nid_7x 0x04 3307#define nvhdmi_master_pin_nid_7x 0x05 3308 3309static const hda_nid_t nvhdmi_con_nids_7x[4] = { 3310 /*front, rear, clfe, rear_surr */ 3311 0x6, 0x8, 0xa, 0xc, 3312}; 3313 3314static const struct hda_verb nvhdmi_basic_init_7x_2ch[] = { 3315 /* set audio protect on */ 3316 { 0x1, Nv_VERB_SET_Audio_Protection_On, 0x1}, 3317 /* enable digital output on pin widget */ 3318 { 0x5, AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_OUT | 0x5 }, 3319 {} /* terminator */ 3320}; 3321 3322static const struct hda_verb nvhdmi_basic_init_7x_8ch[] = { 3323 /* set audio protect on */ 3324 { 0x1, Nv_VERB_SET_Audio_Protection_On, 0x1}, 3325 /* enable digital output on pin widget */ 3326 { 0x5, AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_OUT | 0x5 }, 3327 { 0x7, AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_OUT | 0x5 }, 3328 { 0x9, AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_OUT | 0x5 }, 3329 { 0xb, AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_OUT | 0x5 }, 3330 { 0xd, AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_OUT | 0x5 }, 3331 {} /* terminator */ 3332}; 3333 3334#ifdef LIMITED_RATE_FMT_SUPPORT 3335/* support only the safe format and rate */ 3336#define SUPPORTED_RATES SNDRV_PCM_RATE_48000 3337#define SUPPORTED_MAXBPS 16 3338#define SUPPORTED_FORMATS SNDRV_PCM_FMTBIT_S16_LE 3339#else 3340/* support all rates and formats */ 3341#define SUPPORTED_RATES \ 3342 (SNDRV_PCM_RATE_32000 | SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_48000 |\ 3343 SNDRV_PCM_RATE_88200 | SNDRV_PCM_RATE_96000 | SNDRV_PCM_RATE_176400 |\ 3344 SNDRV_PCM_RATE_192000) 3345#define SUPPORTED_MAXBPS 24 3346#define SUPPORTED_FORMATS \ 3347 (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S32_LE) 3348#endif 3349 3350static int nvhdmi_7x_init_2ch(struct hda_codec *codec) 3351{ 3352 snd_hda_sequence_write(codec, nvhdmi_basic_init_7x_2ch); 3353 return 0; 3354} 3355 3356static int nvhdmi_7x_init_8ch(struct hda_codec *codec) 3357{ 3358 snd_hda_sequence_write(codec, nvhdmi_basic_init_7x_8ch); 3359 return 0; 3360} 3361 3362static const unsigned int channels_2_6_8[] = { 3363 2, 6, 8 3364}; 3365 3366static const unsigned int channels_2_8[] = { 3367 2, 8 3368}; 3369 3370static const struct snd_pcm_hw_constraint_list hw_constraints_2_6_8_channels = { 3371 .count = ARRAY_SIZE(channels_2_6_8), 3372 .list = channels_2_6_8, 3373 .mask = 0, 3374}; 3375 3376static const struct snd_pcm_hw_constraint_list hw_constraints_2_8_channels = { 3377 .count = ARRAY_SIZE(channels_2_8), 3378 .list = channels_2_8, 3379 .mask = 0, 3380}; 3381 3382static int simple_playback_pcm_open(struct hda_pcm_stream *hinfo, 3383 struct hda_codec *codec, 3384 struct snd_pcm_substream *substream) 3385{ 3386 struct hdmi_spec *spec = codec->spec; 3387 const struct snd_pcm_hw_constraint_list *hw_constraints_channels = NULL; 3388 3389 switch (codec->preset->vendor_id) { 3390 case 0x10de0002: 3391 case 0x10de0003: 3392 case 0x10de0005: 3393 case 0x10de0006: 3394 hw_constraints_channels = &hw_constraints_2_8_channels; 3395 break; 3396 case 0x10de0007: 3397 hw_constraints_channels = &hw_constraints_2_6_8_channels; 3398 break; 3399 default: 3400 break; 3401 } 3402 3403 if (hw_constraints_channels != NULL) { 3404 snd_pcm_hw_constraint_list(substream->runtime, 0, 3405 SNDRV_PCM_HW_PARAM_CHANNELS, 3406 hw_constraints_channels); 3407 } else { 3408 snd_pcm_hw_constraint_step(substream->runtime, 0, 3409 SNDRV_PCM_HW_PARAM_CHANNELS, 2); 3410 } 3411 3412 return snd_hda_multi_out_dig_open(codec, &spec->multiout); 3413} 3414 3415static int simple_playback_pcm_close(struct hda_pcm_stream *hinfo, 3416 struct hda_codec *codec, 3417 struct snd_pcm_substream *substream) 3418{ 3419 struct hdmi_spec *spec = codec->spec; 3420 return snd_hda_multi_out_dig_close(codec, &spec->multiout); 3421} 3422 3423static int simple_playback_pcm_prepare(struct hda_pcm_stream *hinfo, 3424 struct hda_codec *codec, 3425 unsigned int stream_tag, 3426 unsigned int format, 3427 struct snd_pcm_substream *substream) 3428{ 3429 struct hdmi_spec *spec = codec->spec; 3430 return snd_hda_multi_out_dig_prepare(codec, &spec->multiout, 3431 stream_tag, format, substream); 3432} 3433 3434static const struct hda_pcm_stream simple_pcm_playback = { 3435 .substreams = 1, 3436 .channels_min = 2, 3437 .channels_max = 2, 3438 .ops = { 3439 .open = simple_playback_pcm_open, 3440 .close = simple_playback_pcm_close, 3441 .prepare = simple_playback_pcm_prepare 3442 }, 3443}; 3444 3445static const struct hda_codec_ops simple_hdmi_patch_ops = { 3446 .build_controls = simple_playback_build_controls, 3447 .build_pcms = simple_playback_build_pcms, 3448 .init = simple_playback_init, 3449 .free = simple_playback_free, 3450 .unsol_event = simple_hdmi_unsol_event, 3451}; 3452 3453static int patch_simple_hdmi(struct hda_codec *codec, 3454 hda_nid_t cvt_nid, hda_nid_t pin_nid) 3455{ 3456 struct hdmi_spec *spec; 3457 struct hdmi_spec_per_cvt *per_cvt; 3458 struct hdmi_spec_per_pin *per_pin; 3459 3460 spec = kzalloc(sizeof(*spec), GFP_KERNEL); 3461 if (!spec) 3462 return -ENOMEM; 3463 3464 spec->codec = codec; 3465 codec->spec = spec; 3466 hdmi_array_init(spec, 1); 3467 3468 spec->multiout.num_dacs = 0; /* no analog */ 3469 spec->multiout.max_channels = 2; 3470 spec->multiout.dig_out_nid = cvt_nid; 3471 spec->num_cvts = 1; 3472 spec->num_pins = 1; 3473 per_pin = snd_array_new(&spec->pins); 3474 per_cvt = snd_array_new(&spec->cvts); 3475 if (!per_pin || !per_cvt) { 3476 simple_playback_free(codec); 3477 return -ENOMEM; 3478 } 3479 per_cvt->cvt_nid = cvt_nid; 3480 per_pin->pin_nid = pin_nid; 3481 spec->pcm_playback = simple_pcm_playback; 3482 3483 codec->patch_ops = simple_hdmi_patch_ops; 3484 3485 return 0; 3486} 3487 3488static void nvhdmi_8ch_7x_set_info_frame_parameters(struct hda_codec *codec, 3489 int channels) 3490{ 3491 unsigned int chanmask; 3492 int chan = channels ? (channels - 1) : 1; 3493 3494 switch (channels) { 3495 default: 3496 case 0: 3497 case 2: 3498 chanmask = 0x00; 3499 break; 3500 case 4: 3501 chanmask = 0x08; 3502 break; 3503 case 6: 3504 chanmask = 0x0b; 3505 break; 3506 case 8: 3507 chanmask = 0x13; 3508 break; 3509 } 3510 3511 /* Set the audio infoframe channel allocation and checksum fields. The 3512 * channel count is computed implicitly by the hardware. */ 3513 snd_hda_codec_write(codec, 0x1, 0, 3514 Nv_VERB_SET_Channel_Allocation, chanmask); 3515 3516 snd_hda_codec_write(codec, 0x1, 0, 3517 Nv_VERB_SET_Info_Frame_Checksum, 3518 (0x71 - chan - chanmask)); 3519} 3520 3521static int nvhdmi_8ch_7x_pcm_close(struct hda_pcm_stream *hinfo, 3522 struct hda_codec *codec, 3523 struct snd_pcm_substream *substream) 3524{ 3525 struct hdmi_spec *spec = codec->spec; 3526 int i; 3527 3528 snd_hda_codec_write(codec, nvhdmi_master_con_nid_7x, 3529 0, AC_VERB_SET_CHANNEL_STREAMID, 0); 3530 for (i = 0; i < 4; i++) { 3531 /* set the stream id */ 3532 snd_hda_codec_write(codec, nvhdmi_con_nids_7x[i], 0, 3533 AC_VERB_SET_CHANNEL_STREAMID, 0); 3534 /* set the stream format */ 3535 snd_hda_codec_write(codec, nvhdmi_con_nids_7x[i], 0, 3536 AC_VERB_SET_STREAM_FORMAT, 0); 3537 } 3538 3539 /* The audio hardware sends a channel count of 0x7 (8ch) when all the 3540 * streams are disabled. */ 3541 nvhdmi_8ch_7x_set_info_frame_parameters(codec, 8); 3542 3543 return snd_hda_multi_out_dig_close(codec, &spec->multiout); 3544} 3545 3546static int nvhdmi_8ch_7x_pcm_prepare(struct hda_pcm_stream *hinfo, 3547 struct hda_codec *codec, 3548 unsigned int stream_tag, 3549 unsigned int format, 3550 struct snd_pcm_substream *substream) 3551{ 3552 int chs; 3553 unsigned int dataDCC2, channel_id; 3554 int i; 3555 struct hdmi_spec *spec = codec->spec; 3556 struct hda_spdif_out *spdif; 3557 struct hdmi_spec_per_cvt *per_cvt; 3558 3559 mutex_lock(&codec->spdif_mutex); 3560 per_cvt = get_cvt(spec, 0); 3561 spdif = snd_hda_spdif_out_of_nid(codec, per_cvt->cvt_nid); 3562 3563 chs = substream->runtime->channels; 3564 3565 dataDCC2 = 0x2; 3566 3567 /* turn off SPDIF once; otherwise the IEC958 bits won't be updated */ 3568 if (codec->spdif_status_reset && (spdif->ctls & AC_DIG1_ENABLE)) 3569 snd_hda_codec_write(codec, 3570 nvhdmi_master_con_nid_7x, 3571 0, 3572 AC_VERB_SET_DIGI_CONVERT_1, 3573 spdif->ctls & ~AC_DIG1_ENABLE & 0xff); 3574 3575 /* set the stream id */ 3576 snd_hda_codec_write(codec, nvhdmi_master_con_nid_7x, 0, 3577 AC_VERB_SET_CHANNEL_STREAMID, (stream_tag << 4) | 0x0); 3578 3579 /* set the stream format */ 3580 snd_hda_codec_write(codec, nvhdmi_master_con_nid_7x, 0, 3581 AC_VERB_SET_STREAM_FORMAT, format); 3582 3583 /* turn on again (if needed) */ 3584 /* enable and set the channel status audio/data flag */ 3585 if (codec->spdif_status_reset && (spdif->ctls & AC_DIG1_ENABLE)) { 3586 snd_hda_codec_write(codec, 3587 nvhdmi_master_con_nid_7x, 3588 0, 3589 AC_VERB_SET_DIGI_CONVERT_1, 3590 spdif->ctls & 0xff); 3591 snd_hda_codec_write(codec, 3592 nvhdmi_master_con_nid_7x, 3593 0, 3594 AC_VERB_SET_DIGI_CONVERT_2, dataDCC2); 3595 } 3596 3597 for (i = 0; i < 4; i++) { 3598 if (chs == 2) 3599 channel_id = 0; 3600 else 3601 channel_id = i * 2; 3602 3603 /* turn off SPDIF once; 3604 *otherwise the IEC958 bits won't be updated 3605 */ 3606 if (codec->spdif_status_reset && 3607 (spdif->ctls & AC_DIG1_ENABLE)) 3608 snd_hda_codec_write(codec, 3609 nvhdmi_con_nids_7x[i], 3610 0, 3611 AC_VERB_SET_DIGI_CONVERT_1, 3612 spdif->ctls & ~AC_DIG1_ENABLE & 0xff); 3613 /* set the stream id */ 3614 snd_hda_codec_write(codec, 3615 nvhdmi_con_nids_7x[i], 3616 0, 3617 AC_VERB_SET_CHANNEL_STREAMID, 3618 (stream_tag << 4) | channel_id); 3619 /* set the stream format */ 3620 snd_hda_codec_write(codec, 3621 nvhdmi_con_nids_7x[i], 3622 0, 3623 AC_VERB_SET_STREAM_FORMAT, 3624 format); 3625 /* turn on again (if needed) */ 3626 /* enable and set the channel status audio/data flag */ 3627 if (codec->spdif_status_reset && 3628 (spdif->ctls & AC_DIG1_ENABLE)) { 3629 snd_hda_codec_write(codec, 3630 nvhdmi_con_nids_7x[i], 3631 0, 3632 AC_VERB_SET_DIGI_CONVERT_1, 3633 spdif->ctls & 0xff); 3634 snd_hda_codec_write(codec, 3635 nvhdmi_con_nids_7x[i], 3636 0, 3637 AC_VERB_SET_DIGI_CONVERT_2, dataDCC2); 3638 } 3639 } 3640 3641 nvhdmi_8ch_7x_set_info_frame_parameters(codec, chs); 3642 3643 mutex_unlock(&codec->spdif_mutex); 3644 return 0; 3645} 3646 3647static const struct hda_pcm_stream nvhdmi_pcm_playback_8ch_7x = { 3648 .substreams = 1, 3649 .channels_min = 2, 3650 .channels_max = 8, 3651 .nid = nvhdmi_master_con_nid_7x, 3652 .rates = SUPPORTED_RATES, 3653 .maxbps = SUPPORTED_MAXBPS, 3654 .formats = SUPPORTED_FORMATS, 3655 .ops = { 3656 .open = simple_playback_pcm_open, 3657 .close = nvhdmi_8ch_7x_pcm_close, 3658 .prepare = nvhdmi_8ch_7x_pcm_prepare 3659 }, 3660}; 3661 3662static int patch_nvhdmi_2ch(struct hda_codec *codec) 3663{ 3664 struct hdmi_spec *spec; 3665 int err = patch_simple_hdmi(codec, nvhdmi_master_con_nid_7x, 3666 nvhdmi_master_pin_nid_7x); 3667 if (err < 0) 3668 return err; 3669 3670 codec->patch_ops.init = nvhdmi_7x_init_2ch; 3671 /* override the PCM rates, etc, as the codec doesn't give full list */ 3672 spec = codec->spec; 3673 spec->pcm_playback.rates = SUPPORTED_RATES; 3674 spec->pcm_playback.maxbps = SUPPORTED_MAXBPS; 3675 spec->pcm_playback.formats = SUPPORTED_FORMATS; 3676 spec->nv_dp_workaround = true; 3677 return 0; 3678} 3679 3680static int nvhdmi_7x_8ch_build_pcms(struct hda_codec *codec) 3681{ 3682 struct hdmi_spec *spec = codec->spec; 3683 int err = simple_playback_build_pcms(codec); 3684 if (!err) { 3685 struct hda_pcm *info = get_pcm_rec(spec, 0); 3686 info->own_chmap = true; 3687 } 3688 return err; 3689} 3690 3691static int nvhdmi_7x_8ch_build_controls(struct hda_codec *codec) 3692{ 3693 struct hdmi_spec *spec = codec->spec; 3694 struct hda_pcm *info; 3695 struct snd_pcm_chmap *chmap; 3696 int err; 3697 3698 err = simple_playback_build_controls(codec); 3699 if (err < 0) 3700 return err; 3701 3702 /* add channel maps */ 3703 info = get_pcm_rec(spec, 0); 3704 err = snd_pcm_add_chmap_ctls(info->pcm, 3705 SNDRV_PCM_STREAM_PLAYBACK, 3706 snd_pcm_alt_chmaps, 8, 0, &chmap); 3707 if (err < 0) 3708 return err; 3709 switch (codec->preset->vendor_id) { 3710 case 0x10de0002: 3711 case 0x10de0003: 3712 case 0x10de0005: 3713 case 0x10de0006: 3714 chmap->channel_mask = (1U << 2) | (1U << 8); 3715 break; 3716 case 0x10de0007: 3717 chmap->channel_mask = (1U << 2) | (1U << 6) | (1U << 8); 3718 } 3719 return 0; 3720} 3721 3722static int patch_nvhdmi_8ch_7x(struct hda_codec *codec) 3723{ 3724 struct hdmi_spec *spec; 3725 int err = patch_nvhdmi_2ch(codec); 3726 if (err < 0) 3727 return err; 3728 spec = codec->spec; 3729 spec->multiout.max_channels = 8; 3730 spec->pcm_playback = nvhdmi_pcm_playback_8ch_7x; 3731 codec->patch_ops.init = nvhdmi_7x_init_8ch; 3732 codec->patch_ops.build_pcms = nvhdmi_7x_8ch_build_pcms; 3733 codec->patch_ops.build_controls = nvhdmi_7x_8ch_build_controls; 3734 3735 /* Initialize the audio infoframe channel mask and checksum to something 3736 * valid */ 3737 nvhdmi_8ch_7x_set_info_frame_parameters(codec, 8); 3738 3739 return 0; 3740} 3741 3742/* 3743 * NVIDIA codecs ignore ASP mapping for 2ch - confirmed on: 3744 * - 0x10de0015 3745 * - 0x10de0040 3746 */ 3747static int nvhdmi_chmap_cea_alloc_validate_get_type(struct hdac_chmap *chmap, 3748 struct hdac_cea_channel_speaker_allocation *cap, int channels) 3749{ 3750 if (cap->ca_index == 0x00 && channels == 2) 3751 return SNDRV_CTL_TLVT_CHMAP_FIXED; 3752 3753 /* If the speaker allocation matches the channel count, it is OK. */ 3754 if (cap->channels != channels) 3755 return -1; 3756 3757 /* all channels are remappable freely */ 3758 return SNDRV_CTL_TLVT_CHMAP_VAR; 3759} 3760 3761static int nvhdmi_chmap_validate(struct hdac_chmap *chmap, 3762 int ca, int chs, unsigned char *map) 3763{ 3764 if (ca == 0x00 && (map[0] != SNDRV_CHMAP_FL || map[1] != SNDRV_CHMAP_FR)) 3765 return -EINVAL; 3766 3767 return 0; 3768} 3769 3770/* map from pin NID to port; port is 0-based */ 3771/* for Nvidia: assume widget NID starting from 4, with step 1 (4, 5, 6, ...) */ 3772static int nvhdmi_pin2port(void *audio_ptr, int pin_nid) 3773{ 3774 return pin_nid - 4; 3775} 3776 3777/* reverse-map from port to pin NID: see above */ 3778static int nvhdmi_port2pin(struct hda_codec *codec, int port) 3779{ 3780 return port + 4; 3781} 3782 3783static const struct drm_audio_component_audio_ops nvhdmi_audio_ops = { 3784 .pin2port = nvhdmi_pin2port, 3785 .pin_eld_notify = generic_acomp_pin_eld_notify, 3786 .master_bind = generic_acomp_master_bind, 3787 .master_unbind = generic_acomp_master_unbind, 3788}; 3789 3790static int patch_nvhdmi(struct hda_codec *codec) 3791{ 3792 struct hdmi_spec *spec; 3793 int err; 3794 3795 err = alloc_generic_hdmi(codec); 3796 if (err < 0) 3797 return err; 3798 codec->dp_mst = true; 3799 3800 spec = codec->spec; 3801 3802 err = hdmi_parse_codec(codec); 3803 if (err < 0) { 3804 generic_spec_free(codec); 3805 return err; 3806 } 3807 3808 generic_hdmi_init_per_pins(codec); 3809 3810 spec->dyn_pin_out = true; 3811 3812 spec->chmap.ops.chmap_cea_alloc_validate_get_type = 3813 nvhdmi_chmap_cea_alloc_validate_get_type; 3814 spec->chmap.ops.chmap_validate = nvhdmi_chmap_validate; 3815 spec->nv_dp_workaround = true; 3816 3817 codec->link_down_at_suspend = 1; 3818 3819 generic_acomp_init(codec, &nvhdmi_audio_ops, nvhdmi_port2pin); 3820 3821 return 0; 3822} 3823 3824static int patch_nvhdmi_legacy(struct hda_codec *codec) 3825{ 3826 struct hdmi_spec *spec; 3827 int err; 3828 3829 err = patch_generic_hdmi(codec); 3830 if (err) 3831 return err; 3832 3833 spec = codec->spec; 3834 spec->dyn_pin_out = true; 3835 3836 spec->chmap.ops.chmap_cea_alloc_validate_get_type = 3837 nvhdmi_chmap_cea_alloc_validate_get_type; 3838 spec->chmap.ops.chmap_validate = nvhdmi_chmap_validate; 3839 spec->nv_dp_workaround = true; 3840 3841 codec->link_down_at_suspend = 1; 3842 3843 return 0; 3844} 3845 3846/* 3847 * The HDA codec on NVIDIA Tegra contains two scratch registers that are 3848 * accessed using vendor-defined verbs. These registers can be used for 3849 * interoperability between the HDA and HDMI drivers. 3850 */ 3851 3852/* Audio Function Group node */ 3853#define NVIDIA_AFG_NID 0x01 3854 3855/* 3856 * The SCRATCH0 register is used to notify the HDMI codec of changes in audio 3857 * format. On Tegra, bit 31 is used as a trigger that causes an interrupt to 3858 * be raised in the HDMI codec. The remainder of the bits is arbitrary. This 3859 * implementation stores the HDA format (see AC_FMT_*) in bits [15:0] and an 3860 * additional bit (at position 30) to signal the validity of the format. 3861 * 3862 * | 31 | 30 | 29 16 | 15 0 | 3863 * +---------+-------+--------+--------+ 3864 * | TRIGGER | VALID | UNUSED | FORMAT | 3865 * +-----------------------------------| 3866 * 3867 * Note that for the trigger bit to take effect it needs to change value 3868 * (i.e. it needs to be toggled). The trigger bit is not applicable from 3869 * TEGRA234 chip onwards, as new verb id 0xf80 will be used for interrupt 3870 * trigger to hdmi. 3871 */ 3872#define NVIDIA_SET_HOST_INTR 0xf80 3873#define NVIDIA_GET_SCRATCH0 0xfa6 3874#define NVIDIA_SET_SCRATCH0_BYTE0 0xfa7 3875#define NVIDIA_SET_SCRATCH0_BYTE1 0xfa8 3876#define NVIDIA_SET_SCRATCH0_BYTE2 0xfa9 3877#define NVIDIA_SET_SCRATCH0_BYTE3 0xfaa 3878#define NVIDIA_SCRATCH_TRIGGER (1 << 7) 3879#define NVIDIA_SCRATCH_VALID (1 << 6) 3880 3881#define NVIDIA_GET_SCRATCH1 0xfab 3882#define NVIDIA_SET_SCRATCH1_BYTE0 0xfac 3883#define NVIDIA_SET_SCRATCH1_BYTE1 0xfad 3884#define NVIDIA_SET_SCRATCH1_BYTE2 0xfae 3885#define NVIDIA_SET_SCRATCH1_BYTE3 0xfaf 3886 3887/* 3888 * The format parameter is the HDA audio format (see AC_FMT_*). If set to 0, 3889 * the format is invalidated so that the HDMI codec can be disabled. 3890 */ 3891static void tegra_hdmi_set_format(struct hda_codec *codec, 3892 hda_nid_t cvt_nid, 3893 unsigned int format) 3894{ 3895 unsigned int value; 3896 unsigned int nid = NVIDIA_AFG_NID; 3897 struct hdmi_spec *spec = codec->spec; 3898 3899 /* 3900 * Tegra HDA codec design from TEGRA234 chip onwards support DP MST. 3901 * This resulted in moving scratch registers from audio function 3902 * group to converter widget context. So CVT NID should be used for 3903 * scratch register read/write for DP MST supported Tegra HDA codec. 3904 */ 3905 if (codec->dp_mst) 3906 nid = cvt_nid; 3907 3908 /* bits [31:30] contain the trigger and valid bits */ 3909 value = snd_hda_codec_read(codec, nid, 0, 3910 NVIDIA_GET_SCRATCH0, 0); 3911 value = (value >> 24) & 0xff; 3912 3913 /* bits [15:0] are used to store the HDA format */ 3914 snd_hda_codec_write(codec, nid, 0, 3915 NVIDIA_SET_SCRATCH0_BYTE0, 3916 (format >> 0) & 0xff); 3917 snd_hda_codec_write(codec, nid, 0, 3918 NVIDIA_SET_SCRATCH0_BYTE1, 3919 (format >> 8) & 0xff); 3920 3921 /* bits [16:24] are unused */ 3922 snd_hda_codec_write(codec, nid, 0, 3923 NVIDIA_SET_SCRATCH0_BYTE2, 0); 3924 3925 /* 3926 * Bit 30 signals that the data is valid and hence that HDMI audio can 3927 * be enabled. 3928 */ 3929 if (format == 0) 3930 value &= ~NVIDIA_SCRATCH_VALID; 3931 else 3932 value |= NVIDIA_SCRATCH_VALID; 3933 3934 if (spec->hdmi_intr_trig_ctrl) { 3935 /* 3936 * For Tegra HDA Codec design from TEGRA234 onwards, the 3937 * Interrupt to hdmi driver is triggered by writing 3938 * non-zero values to verb 0xF80 instead of 31st bit of 3939 * scratch register. 3940 */ 3941 snd_hda_codec_write(codec, nid, 0, 3942 NVIDIA_SET_SCRATCH0_BYTE3, value); 3943 snd_hda_codec_write(codec, nid, 0, 3944 NVIDIA_SET_HOST_INTR, 0x1); 3945 } else { 3946 /* 3947 * Whenever the 31st trigger bit is toggled, an interrupt is raised 3948 * in the HDMI codec. The HDMI driver will use that as trigger 3949 * to update its configuration. 3950 */ 3951 value ^= NVIDIA_SCRATCH_TRIGGER; 3952 3953 snd_hda_codec_write(codec, nid, 0, 3954 NVIDIA_SET_SCRATCH0_BYTE3, value); 3955 } 3956} 3957 3958static int tegra_hdmi_pcm_prepare(struct hda_pcm_stream *hinfo, 3959 struct hda_codec *codec, 3960 unsigned int stream_tag, 3961 unsigned int format, 3962 struct snd_pcm_substream *substream) 3963{ 3964 int err; 3965 3966 err = generic_hdmi_playback_pcm_prepare(hinfo, codec, stream_tag, 3967 format, substream); 3968 if (err < 0) 3969 return err; 3970 3971 /* notify the HDMI codec of the format change */ 3972 tegra_hdmi_set_format(codec, hinfo->nid, format); 3973 3974 return 0; 3975} 3976 3977static int tegra_hdmi_pcm_cleanup(struct hda_pcm_stream *hinfo, 3978 struct hda_codec *codec, 3979 struct snd_pcm_substream *substream) 3980{ 3981 /* invalidate the format in the HDMI codec */ 3982 tegra_hdmi_set_format(codec, hinfo->nid, 0); 3983 3984 return generic_hdmi_playback_pcm_cleanup(hinfo, codec, substream); 3985} 3986 3987static struct hda_pcm *hda_find_pcm_by_type(struct hda_codec *codec, int type) 3988{ 3989 struct hdmi_spec *spec = codec->spec; 3990 unsigned int i; 3991 3992 for (i = 0; i < spec->num_pins; i++) { 3993 struct hda_pcm *pcm = get_pcm_rec(spec, i); 3994 3995 if (pcm->pcm_type == type) 3996 return pcm; 3997 } 3998 3999 return NULL; 4000} 4001 4002static int tegra_hdmi_build_pcms(struct hda_codec *codec) 4003{ 4004 struct hda_pcm_stream *stream; 4005 struct hda_pcm *pcm; 4006 int err; 4007 4008 err = generic_hdmi_build_pcms(codec); 4009 if (err < 0) 4010 return err; 4011 4012 pcm = hda_find_pcm_by_type(codec, HDA_PCM_TYPE_HDMI); 4013 if (!pcm) 4014 return -ENODEV; 4015 4016 /* 4017 * Override ->prepare() and ->cleanup() operations to notify the HDMI 4018 * codec about format changes. 4019 */ 4020 stream = &pcm->stream[SNDRV_PCM_STREAM_PLAYBACK]; 4021 stream->ops.prepare = tegra_hdmi_pcm_prepare; 4022 stream->ops.cleanup = tegra_hdmi_pcm_cleanup; 4023 4024 return 0; 4025} 4026 4027static int tegra_hdmi_init(struct hda_codec *codec) 4028{ 4029 struct hdmi_spec *spec = codec->spec; 4030 int i, err; 4031 4032 err = hdmi_parse_codec(codec); 4033 if (err < 0) { 4034 generic_spec_free(codec); 4035 return err; 4036 } 4037 4038 for (i = 0; i < spec->num_cvts; i++) 4039 snd_hda_codec_write(codec, spec->cvt_nids[i], 0, 4040 AC_VERB_SET_DIGI_CONVERT_1, 4041 AC_DIG1_ENABLE); 4042 4043 generic_hdmi_init_per_pins(codec); 4044 4045 codec->depop_delay = 10; 4046 codec->patch_ops.build_pcms = tegra_hdmi_build_pcms; 4047 spec->chmap.ops.chmap_cea_alloc_validate_get_type = 4048 nvhdmi_chmap_cea_alloc_validate_get_type; 4049 spec->chmap.ops.chmap_validate = nvhdmi_chmap_validate; 4050 4051 spec->chmap.ops.chmap_cea_alloc_validate_get_type = 4052 nvhdmi_chmap_cea_alloc_validate_get_type; 4053 spec->chmap.ops.chmap_validate = nvhdmi_chmap_validate; 4054 spec->nv_dp_workaround = true; 4055 4056 return 0; 4057} 4058 4059static int patch_tegra_hdmi(struct hda_codec *codec) 4060{ 4061 int err; 4062 4063 err = alloc_generic_hdmi(codec); 4064 if (err < 0) 4065 return err; 4066 4067 return tegra_hdmi_init(codec); 4068} 4069 4070static int patch_tegra234_hdmi(struct hda_codec *codec) 4071{ 4072 struct hdmi_spec *spec; 4073 int err; 4074 4075 err = alloc_generic_hdmi(codec); 4076 if (err < 0) 4077 return err; 4078 4079 codec->dp_mst = true; 4080 spec = codec->spec; 4081 spec->dyn_pin_out = true; 4082 spec->hdmi_intr_trig_ctrl = true; 4083 4084 return tegra_hdmi_init(codec); 4085} 4086 4087/* 4088 * ATI/AMD-specific implementations 4089 */ 4090 4091#define is_amdhdmi_rev3_or_later(codec) \ 4092 ((codec)->core.vendor_id == 0x1002aa01 && \ 4093 ((codec)->core.revision_id & 0xff00) >= 0x0300) 4094#define has_amd_full_remap_support(codec) is_amdhdmi_rev3_or_later(codec) 4095 4096/* ATI/AMD specific HDA pin verbs, see the AMD HDA Verbs specification */ 4097#define ATI_VERB_SET_CHANNEL_ALLOCATION 0x771 4098#define ATI_VERB_SET_DOWNMIX_INFO 0x772 4099#define ATI_VERB_SET_MULTICHANNEL_01 0x777 4100#define ATI_VERB_SET_MULTICHANNEL_23 0x778 4101#define ATI_VERB_SET_MULTICHANNEL_45 0x779 4102#define ATI_VERB_SET_MULTICHANNEL_67 0x77a 4103#define ATI_VERB_SET_HBR_CONTROL 0x77c 4104#define ATI_VERB_SET_MULTICHANNEL_1 0x785 4105#define ATI_VERB_SET_MULTICHANNEL_3 0x786 4106#define ATI_VERB_SET_MULTICHANNEL_5 0x787 4107#define ATI_VERB_SET_MULTICHANNEL_7 0x788 4108#define ATI_VERB_SET_MULTICHANNEL_MODE 0x789 4109#define ATI_VERB_GET_CHANNEL_ALLOCATION 0xf71 4110#define ATI_VERB_GET_DOWNMIX_INFO 0xf72 4111#define ATI_VERB_GET_MULTICHANNEL_01 0xf77 4112#define ATI_VERB_GET_MULTICHANNEL_23 0xf78 4113#define ATI_VERB_GET_MULTICHANNEL_45 0xf79 4114#define ATI_VERB_GET_MULTICHANNEL_67 0xf7a 4115#define ATI_VERB_GET_HBR_CONTROL 0xf7c 4116#define ATI_VERB_GET_MULTICHANNEL_1 0xf85 4117#define ATI_VERB_GET_MULTICHANNEL_3 0xf86 4118#define ATI_VERB_GET_MULTICHANNEL_5 0xf87 4119#define ATI_VERB_GET_MULTICHANNEL_7 0xf88 4120#define ATI_VERB_GET_MULTICHANNEL_MODE 0xf89 4121 4122/* AMD specific HDA cvt verbs */ 4123#define ATI_VERB_SET_RAMP_RATE 0x770 4124#define ATI_VERB_GET_RAMP_RATE 0xf70 4125 4126#define ATI_OUT_ENABLE 0x1 4127 4128#define ATI_MULTICHANNEL_MODE_PAIRED 0 4129#define ATI_MULTICHANNEL_MODE_SINGLE 1 4130 4131#define ATI_HBR_CAPABLE 0x01 4132#define ATI_HBR_ENABLE 0x10 4133 4134static int atihdmi_pin_get_eld(struct hda_codec *codec, hda_nid_t nid, 4135 int dev_id, unsigned char *buf, int *eld_size) 4136{ 4137 WARN_ON(dev_id != 0); 4138 /* call hda_eld.c ATI/AMD-specific function */ 4139 return snd_hdmi_get_eld_ati(codec, nid, buf, eld_size, 4140 is_amdhdmi_rev3_or_later(codec)); 4141} 4142 4143static void atihdmi_pin_setup_infoframe(struct hda_codec *codec, 4144 hda_nid_t pin_nid, int dev_id, int ca, 4145 int active_channels, int conn_type) 4146{ 4147 WARN_ON(dev_id != 0); 4148 snd_hda_codec_write(codec, pin_nid, 0, ATI_VERB_SET_CHANNEL_ALLOCATION, ca); 4149} 4150 4151static int atihdmi_paired_swap_fc_lfe(int pos) 4152{ 4153 /* 4154 * ATI/AMD have automatic FC/LFE swap built-in 4155 * when in pairwise mapping mode. 4156 */ 4157 4158 switch (pos) { 4159 /* see channel_allocations[].speakers[] */ 4160 case 2: return 3; 4161 case 3: return 2; 4162 default: break; 4163 } 4164 4165 return pos; 4166} 4167 4168static int atihdmi_paired_chmap_validate(struct hdac_chmap *chmap, 4169 int ca, int chs, unsigned char *map) 4170{ 4171 struct hdac_cea_channel_speaker_allocation *cap; 4172 int i, j; 4173 4174 /* check that only channel pairs need to be remapped on old pre-rev3 ATI/AMD */ 4175 4176 cap = snd_hdac_get_ch_alloc_from_ca(ca); 4177 for (i = 0; i < chs; ++i) { 4178 int mask = snd_hdac_chmap_to_spk_mask(map[i]); 4179 bool ok = false; 4180 bool companion_ok = false; 4181 4182 if (!mask) 4183 continue; 4184 4185 for (j = 0 + i % 2; j < 8; j += 2) { 4186 int chan_idx = 7 - atihdmi_paired_swap_fc_lfe(j); 4187 if (cap->speakers[chan_idx] == mask) { 4188 /* channel is in a supported position */ 4189 ok = true; 4190 4191 if (i % 2 == 0 && i + 1 < chs) { 4192 /* even channel, check the odd companion */ 4193 int comp_chan_idx = 7 - atihdmi_paired_swap_fc_lfe(j + 1); 4194 int comp_mask_req = snd_hdac_chmap_to_spk_mask(map[i+1]); 4195 int comp_mask_act = cap->speakers[comp_chan_idx]; 4196 4197 if (comp_mask_req == comp_mask_act) 4198 companion_ok = true; 4199 else 4200 return -EINVAL; 4201 } 4202 break; 4203 } 4204 } 4205 4206 if (!ok) 4207 return -EINVAL; 4208 4209 if (companion_ok) 4210 i++; /* companion channel already checked */ 4211 } 4212 4213 return 0; 4214} 4215 4216static int atihdmi_pin_set_slot_channel(struct hdac_device *hdac, 4217 hda_nid_t pin_nid, int hdmi_slot, int stream_channel) 4218{ 4219 struct hda_codec *codec = hdac_to_hda_codec(hdac); 4220 int verb; 4221 int ati_channel_setup = 0; 4222 4223 if (hdmi_slot > 7) 4224 return -EINVAL; 4225 4226 if (!has_amd_full_remap_support(codec)) { 4227 hdmi_slot = atihdmi_paired_swap_fc_lfe(hdmi_slot); 4228 4229 /* In case this is an odd slot but without stream channel, do not 4230 * disable the slot since the corresponding even slot could have a 4231 * channel. In case neither have a channel, the slot pair will be 4232 * disabled when this function is called for the even slot. */ 4233 if (hdmi_slot % 2 != 0 && stream_channel == 0xf) 4234 return 0; 4235 4236 hdmi_slot -= hdmi_slot % 2; 4237 4238 if (stream_channel != 0xf) 4239 stream_channel -= stream_channel % 2; 4240 } 4241 4242 verb = ATI_VERB_SET_MULTICHANNEL_01 + hdmi_slot/2 + (hdmi_slot % 2) * 0x00e; 4243 4244 /* ati_channel_setup format: [7..4] = stream_channel_id, [1] = mute, [0] = enable */ 4245 4246 if (stream_channel != 0xf) 4247 ati_channel_setup = (stream_channel << 4) | ATI_OUT_ENABLE; 4248 4249 return snd_hda_codec_write(codec, pin_nid, 0, verb, ati_channel_setup); 4250} 4251 4252static int atihdmi_pin_get_slot_channel(struct hdac_device *hdac, 4253 hda_nid_t pin_nid, int asp_slot) 4254{ 4255 struct hda_codec *codec = hdac_to_hda_codec(hdac); 4256 bool was_odd = false; 4257 int ati_asp_slot = asp_slot; 4258 int verb; 4259 int ati_channel_setup; 4260 4261 if (asp_slot > 7) 4262 return -EINVAL; 4263 4264 if (!has_amd_full_remap_support(codec)) { 4265 ati_asp_slot = atihdmi_paired_swap_fc_lfe(asp_slot); 4266 if (ati_asp_slot % 2 != 0) { 4267 ati_asp_slot -= 1; 4268 was_odd = true; 4269 } 4270 } 4271 4272 verb = ATI_VERB_GET_MULTICHANNEL_01 + ati_asp_slot/2 + (ati_asp_slot % 2) * 0x00e; 4273 4274 ati_channel_setup = snd_hda_codec_read(codec, pin_nid, 0, verb, 0); 4275 4276 if (!(ati_channel_setup & ATI_OUT_ENABLE)) 4277 return 0xf; 4278 4279 return ((ati_channel_setup & 0xf0) >> 4) + !!was_odd; 4280} 4281 4282static int atihdmi_paired_chmap_cea_alloc_validate_get_type( 4283 struct hdac_chmap *chmap, 4284 struct hdac_cea_channel_speaker_allocation *cap, 4285 int channels) 4286{ 4287 int c; 4288 4289 /* 4290 * Pre-rev3 ATI/AMD codecs operate in a paired channel mode, so 4291 * we need to take that into account (a single channel may take 2 4292 * channel slots if we need to carry a silent channel next to it). 4293 * On Rev3+ AMD codecs this function is not used. 4294 */ 4295 int chanpairs = 0; 4296 4297 /* We only produce even-numbered channel count TLVs */ 4298 if ((channels % 2) != 0) 4299 return -1; 4300 4301 for (c = 0; c < 7; c += 2) { 4302 if (cap->speakers[c] || cap->speakers[c+1]) 4303 chanpairs++; 4304 } 4305 4306 if (chanpairs * 2 != channels) 4307 return -1; 4308 4309 return SNDRV_CTL_TLVT_CHMAP_PAIRED; 4310} 4311 4312static void atihdmi_paired_cea_alloc_to_tlv_chmap(struct hdac_chmap *hchmap, 4313 struct hdac_cea_channel_speaker_allocation *cap, 4314 unsigned int *chmap, int channels) 4315{ 4316 /* produce paired maps for pre-rev3 ATI/AMD codecs */ 4317 int count = 0; 4318 int c; 4319 4320 for (c = 7; c >= 0; c--) { 4321 int chan = 7 - atihdmi_paired_swap_fc_lfe(7 - c); 4322 int spk = cap->speakers[chan]; 4323 if (!spk) { 4324 /* add N/A channel if the companion channel is occupied */ 4325 if (cap->speakers[chan + (chan % 2 ? -1 : 1)]) 4326 chmap[count++] = SNDRV_CHMAP_NA; 4327 4328 continue; 4329 } 4330 4331 chmap[count++] = snd_hdac_spk_to_chmap(spk); 4332 } 4333 4334 WARN_ON(count != channels); 4335} 4336 4337static int atihdmi_pin_hbr_setup(struct hda_codec *codec, hda_nid_t pin_nid, 4338 int dev_id, bool hbr) 4339{ 4340 int hbr_ctl, hbr_ctl_new; 4341 4342 WARN_ON(dev_id != 0); 4343 4344 hbr_ctl = snd_hda_codec_read(codec, pin_nid, 0, ATI_VERB_GET_HBR_CONTROL, 0); 4345 if (hbr_ctl >= 0 && (hbr_ctl & ATI_HBR_CAPABLE)) { 4346 if (hbr) 4347 hbr_ctl_new = hbr_ctl | ATI_HBR_ENABLE; 4348 else 4349 hbr_ctl_new = hbr_ctl & ~ATI_HBR_ENABLE; 4350 4351 codec_dbg(codec, 4352 "atihdmi_pin_hbr_setup: NID=0x%x, %shbr-ctl=0x%x\n", 4353 pin_nid, 4354 hbr_ctl == hbr_ctl_new ? "" : "new-", 4355 hbr_ctl_new); 4356 4357 if (hbr_ctl != hbr_ctl_new) 4358 snd_hda_codec_write(codec, pin_nid, 0, 4359 ATI_VERB_SET_HBR_CONTROL, 4360 hbr_ctl_new); 4361 4362 } else if (hbr) 4363 return -EINVAL; 4364 4365 return 0; 4366} 4367 4368static int atihdmi_setup_stream(struct hda_codec *codec, hda_nid_t cvt_nid, 4369 hda_nid_t pin_nid, int dev_id, 4370 u32 stream_tag, int format) 4371{ 4372 if (is_amdhdmi_rev3_or_later(codec)) { 4373 int ramp_rate = 180; /* default as per AMD spec */ 4374 /* disable ramp-up/down for non-pcm as per AMD spec */ 4375 if (format & AC_FMT_TYPE_NON_PCM) 4376 ramp_rate = 0; 4377 4378 snd_hda_codec_write(codec, cvt_nid, 0, ATI_VERB_SET_RAMP_RATE, ramp_rate); 4379 } 4380 4381 return hdmi_setup_stream(codec, cvt_nid, pin_nid, dev_id, 4382 stream_tag, format); 4383} 4384 4385 4386static int atihdmi_init(struct hda_codec *codec) 4387{ 4388 struct hdmi_spec *spec = codec->spec; 4389 int pin_idx, err; 4390 4391 err = generic_hdmi_init(codec); 4392 4393 if (err) 4394 return err; 4395 4396 for (pin_idx = 0; pin_idx < spec->num_pins; pin_idx++) { 4397 struct hdmi_spec_per_pin *per_pin = get_pin(spec, pin_idx); 4398 4399 /* make sure downmix information in infoframe is zero */ 4400 snd_hda_codec_write(codec, per_pin->pin_nid, 0, ATI_VERB_SET_DOWNMIX_INFO, 0); 4401 4402 /* enable channel-wise remap mode if supported */ 4403 if (has_amd_full_remap_support(codec)) 4404 snd_hda_codec_write(codec, per_pin->pin_nid, 0, 4405 ATI_VERB_SET_MULTICHANNEL_MODE, 4406 ATI_MULTICHANNEL_MODE_SINGLE); 4407 } 4408 codec->auto_runtime_pm = 1; 4409 4410 return 0; 4411} 4412 4413/* map from pin NID to port; port is 0-based */ 4414/* for AMD: assume widget NID starting from 3, with step 2 (3, 5, 7, ...) */ 4415static int atihdmi_pin2port(void *audio_ptr, int pin_nid) 4416{ 4417 return pin_nid / 2 - 1; 4418} 4419 4420/* reverse-map from port to pin NID: see above */ 4421static int atihdmi_port2pin(struct hda_codec *codec, int port) 4422{ 4423 return port * 2 + 3; 4424} 4425 4426static const struct drm_audio_component_audio_ops atihdmi_audio_ops = { 4427 .pin2port = atihdmi_pin2port, 4428 .pin_eld_notify = generic_acomp_pin_eld_notify, 4429 .master_bind = generic_acomp_master_bind, 4430 .master_unbind = generic_acomp_master_unbind, 4431}; 4432 4433static int patch_atihdmi(struct hda_codec *codec) 4434{ 4435 struct hdmi_spec *spec; 4436 struct hdmi_spec_per_cvt *per_cvt; 4437 int err, cvt_idx; 4438 4439 err = patch_generic_hdmi(codec); 4440 4441 if (err) 4442 return err; 4443 4444 codec->patch_ops.init = atihdmi_init; 4445 4446 spec = codec->spec; 4447 4448 spec->static_pcm_mapping = true; 4449 4450 spec->ops.pin_get_eld = atihdmi_pin_get_eld; 4451 spec->ops.pin_setup_infoframe = atihdmi_pin_setup_infoframe; 4452 spec->ops.pin_hbr_setup = atihdmi_pin_hbr_setup; 4453 spec->ops.setup_stream = atihdmi_setup_stream; 4454 4455 spec->chmap.ops.pin_get_slot_channel = atihdmi_pin_get_slot_channel; 4456 spec->chmap.ops.pin_set_slot_channel = atihdmi_pin_set_slot_channel; 4457 4458 if (!has_amd_full_remap_support(codec)) { 4459 /* override to ATI/AMD-specific versions with pairwise mapping */ 4460 spec->chmap.ops.chmap_cea_alloc_validate_get_type = 4461 atihdmi_paired_chmap_cea_alloc_validate_get_type; 4462 spec->chmap.ops.cea_alloc_to_tlv_chmap = 4463 atihdmi_paired_cea_alloc_to_tlv_chmap; 4464 spec->chmap.ops.chmap_validate = atihdmi_paired_chmap_validate; 4465 } 4466 4467 /* ATI/AMD converters do not advertise all of their capabilities */ 4468 for (cvt_idx = 0; cvt_idx < spec->num_cvts; cvt_idx++) { 4469 per_cvt = get_cvt(spec, cvt_idx); 4470 per_cvt->channels_max = max(per_cvt->channels_max, 8u); 4471 per_cvt->rates |= SUPPORTED_RATES; 4472 per_cvt->formats |= SUPPORTED_FORMATS; 4473 per_cvt->maxbps = max(per_cvt->maxbps, 24u); 4474 } 4475 4476 spec->chmap.channels_max = max(spec->chmap.channels_max, 8u); 4477 4478 /* AMD GPUs have neither EPSS nor CLKSTOP bits, hence preventing 4479 * the link-down as is. Tell the core to allow it. 4480 */ 4481 codec->link_down_at_suspend = 1; 4482 4483 generic_acomp_init(codec, &atihdmi_audio_ops, atihdmi_port2pin); 4484 4485 return 0; 4486} 4487 4488/* VIA HDMI Implementation */ 4489#define VIAHDMI_CVT_NID 0x02 /* audio converter1 */ 4490#define VIAHDMI_PIN_NID 0x03 /* HDMI output pin1 */ 4491 4492static int patch_via_hdmi(struct hda_codec *codec) 4493{ 4494 return patch_simple_hdmi(codec, VIAHDMI_CVT_NID, VIAHDMI_PIN_NID); 4495} 4496 4497static int patch_gf_hdmi(struct hda_codec *codec) 4498{ 4499 int err; 4500 4501 err = patch_generic_hdmi(codec); 4502 if (err) 4503 return err; 4504 4505 /* 4506 * Glenfly GPUs have two codecs, stream switches from one codec to 4507 * another, need to do actual clean-ups in codec_cleanup_stream 4508 */ 4509 codec->no_sticky_stream = 1; 4510 return 0; 4511} 4512 4513/* 4514 * patch entries 4515 */ 4516static const struct hda_device_id snd_hda_id_hdmi[] = { 4517HDA_CODEC_ENTRY(0x00147a47, "Loongson HDMI", patch_generic_hdmi), 4518HDA_CODEC_ENTRY(0x1002793c, "RS600 HDMI", patch_atihdmi), 4519HDA_CODEC_ENTRY(0x10027919, "RS600 HDMI", patch_atihdmi), 4520HDA_CODEC_ENTRY(0x1002791a, "RS690/780 HDMI", patch_atihdmi), 4521HDA_CODEC_ENTRY(0x1002aa01, "R6xx HDMI", patch_atihdmi), 4522HDA_CODEC_ENTRY(0x10951390, "SiI1390 HDMI", patch_generic_hdmi), 4523HDA_CODEC_ENTRY(0x10951392, "SiI1392 HDMI", patch_generic_hdmi), 4524HDA_CODEC_ENTRY(0x17e80047, "Chrontel HDMI", patch_generic_hdmi), 4525HDA_CODEC_ENTRY(0x10de0001, "MCP73 HDMI", patch_nvhdmi_2ch), 4526HDA_CODEC_ENTRY(0x10de0002, "MCP77/78 HDMI", patch_nvhdmi_8ch_7x), 4527HDA_CODEC_ENTRY(0x10de0003, "MCP77/78 HDMI", patch_nvhdmi_8ch_7x), 4528HDA_CODEC_ENTRY(0x10de0004, "GPU 04 HDMI", patch_nvhdmi_8ch_7x), 4529HDA_CODEC_ENTRY(0x10de0005, "MCP77/78 HDMI", patch_nvhdmi_8ch_7x), 4530HDA_CODEC_ENTRY(0x10de0006, "MCP77/78 HDMI", patch_nvhdmi_8ch_7x), 4531HDA_CODEC_ENTRY(0x10de0007, "MCP79/7A HDMI", patch_nvhdmi_8ch_7x), 4532HDA_CODEC_ENTRY(0x10de0008, "GPU 08 HDMI/DP", patch_nvhdmi_legacy), 4533HDA_CODEC_ENTRY(0x10de0009, "GPU 09 HDMI/DP", patch_nvhdmi_legacy), 4534HDA_CODEC_ENTRY(0x10de000a, "GPU 0a HDMI/DP", patch_nvhdmi_legacy), 4535HDA_CODEC_ENTRY(0x10de000b, "GPU 0b HDMI/DP", patch_nvhdmi_legacy), 4536HDA_CODEC_ENTRY(0x10de000c, "MCP89 HDMI", patch_nvhdmi_legacy), 4537HDA_CODEC_ENTRY(0x10de000d, "GPU 0d HDMI/DP", patch_nvhdmi_legacy), 4538HDA_CODEC_ENTRY(0x10de0010, "GPU 10 HDMI/DP", patch_nvhdmi_legacy), 4539HDA_CODEC_ENTRY(0x10de0011, "GPU 11 HDMI/DP", patch_nvhdmi_legacy), 4540HDA_CODEC_ENTRY(0x10de0012, "GPU 12 HDMI/DP", patch_nvhdmi_legacy), 4541HDA_CODEC_ENTRY(0x10de0013, "GPU 13 HDMI/DP", patch_nvhdmi_legacy), 4542HDA_CODEC_ENTRY(0x10de0014, "GPU 14 HDMI/DP", patch_nvhdmi_legacy), 4543HDA_CODEC_ENTRY(0x10de0015, "GPU 15 HDMI/DP", patch_nvhdmi_legacy), 4544HDA_CODEC_ENTRY(0x10de0016, "GPU 16 HDMI/DP", patch_nvhdmi_legacy), 4545/* 17 is known to be absent */ 4546HDA_CODEC_ENTRY(0x10de0018, "GPU 18 HDMI/DP", patch_nvhdmi_legacy), 4547HDA_CODEC_ENTRY(0x10de0019, "GPU 19 HDMI/DP", patch_nvhdmi_legacy), 4548HDA_CODEC_ENTRY(0x10de001a, "GPU 1a HDMI/DP", patch_nvhdmi_legacy), 4549HDA_CODEC_ENTRY(0x10de001b, "GPU 1b HDMI/DP", patch_nvhdmi_legacy), 4550HDA_CODEC_ENTRY(0x10de001c, "GPU 1c HDMI/DP", patch_nvhdmi_legacy), 4551HDA_CODEC_ENTRY(0x10de0020, "Tegra30 HDMI", patch_tegra_hdmi), 4552HDA_CODEC_ENTRY(0x10de0022, "Tegra114 HDMI", patch_tegra_hdmi), 4553HDA_CODEC_ENTRY(0x10de0028, "Tegra124 HDMI", patch_tegra_hdmi), 4554HDA_CODEC_ENTRY(0x10de0029, "Tegra210 HDMI/DP", patch_tegra_hdmi), 4555HDA_CODEC_ENTRY(0x10de002d, "Tegra186 HDMI/DP0", patch_tegra_hdmi), 4556HDA_CODEC_ENTRY(0x10de002e, "Tegra186 HDMI/DP1", patch_tegra_hdmi), 4557HDA_CODEC_ENTRY(0x10de002f, "Tegra194 HDMI/DP2", patch_tegra_hdmi), 4558HDA_CODEC_ENTRY(0x10de0030, "Tegra194 HDMI/DP3", patch_tegra_hdmi), 4559HDA_CODEC_ENTRY(0x10de0031, "Tegra234 HDMI/DP", patch_tegra234_hdmi), 4560HDA_CODEC_ENTRY(0x10de0040, "GPU 40 HDMI/DP", patch_nvhdmi), 4561HDA_CODEC_ENTRY(0x10de0041, "GPU 41 HDMI/DP", patch_nvhdmi), 4562HDA_CODEC_ENTRY(0x10de0042, "GPU 42 HDMI/DP", patch_nvhdmi), 4563HDA_CODEC_ENTRY(0x10de0043, "GPU 43 HDMI/DP", patch_nvhdmi), 4564HDA_CODEC_ENTRY(0x10de0044, "GPU 44 HDMI/DP", patch_nvhdmi), 4565HDA_CODEC_ENTRY(0x10de0045, "GPU 45 HDMI/DP", patch_nvhdmi), 4566HDA_CODEC_ENTRY(0x10de0050, "GPU 50 HDMI/DP", patch_nvhdmi), 4567HDA_CODEC_ENTRY(0x10de0051, "GPU 51 HDMI/DP", patch_nvhdmi), 4568HDA_CODEC_ENTRY(0x10de0052, "GPU 52 HDMI/DP", patch_nvhdmi), 4569HDA_CODEC_ENTRY(0x10de0060, "GPU 60 HDMI/DP", patch_nvhdmi), 4570HDA_CODEC_ENTRY(0x10de0061, "GPU 61 HDMI/DP", patch_nvhdmi), 4571HDA_CODEC_ENTRY(0x10de0062, "GPU 62 HDMI/DP", patch_nvhdmi), 4572HDA_CODEC_ENTRY(0x10de0067, "MCP67 HDMI", patch_nvhdmi_2ch), 4573HDA_CODEC_ENTRY(0x10de0070, "GPU 70 HDMI/DP", patch_nvhdmi), 4574HDA_CODEC_ENTRY(0x10de0071, "GPU 71 HDMI/DP", patch_nvhdmi), 4575HDA_CODEC_ENTRY(0x10de0072, "GPU 72 HDMI/DP", patch_nvhdmi), 4576HDA_CODEC_ENTRY(0x10de0073, "GPU 73 HDMI/DP", patch_nvhdmi), 4577HDA_CODEC_ENTRY(0x10de0074, "GPU 74 HDMI/DP", patch_nvhdmi), 4578HDA_CODEC_ENTRY(0x10de0076, "GPU 76 HDMI/DP", patch_nvhdmi), 4579HDA_CODEC_ENTRY(0x10de007b, "GPU 7b HDMI/DP", patch_nvhdmi), 4580HDA_CODEC_ENTRY(0x10de007c, "GPU 7c HDMI/DP", patch_nvhdmi), 4581HDA_CODEC_ENTRY(0x10de007d, "GPU 7d HDMI/DP", patch_nvhdmi), 4582HDA_CODEC_ENTRY(0x10de007e, "GPU 7e HDMI/DP", patch_nvhdmi), 4583HDA_CODEC_ENTRY(0x10de0080, "GPU 80 HDMI/DP", patch_nvhdmi), 4584HDA_CODEC_ENTRY(0x10de0081, "GPU 81 HDMI/DP", patch_nvhdmi), 4585HDA_CODEC_ENTRY(0x10de0082, "GPU 82 HDMI/DP", patch_nvhdmi), 4586HDA_CODEC_ENTRY(0x10de0083, "GPU 83 HDMI/DP", patch_nvhdmi), 4587HDA_CODEC_ENTRY(0x10de0084, "GPU 84 HDMI/DP", patch_nvhdmi), 4588HDA_CODEC_ENTRY(0x10de0090, "GPU 90 HDMI/DP", patch_nvhdmi), 4589HDA_CODEC_ENTRY(0x10de0091, "GPU 91 HDMI/DP", patch_nvhdmi), 4590HDA_CODEC_ENTRY(0x10de0092, "GPU 92 HDMI/DP", patch_nvhdmi), 4591HDA_CODEC_ENTRY(0x10de0093, "GPU 93 HDMI/DP", patch_nvhdmi), 4592HDA_CODEC_ENTRY(0x10de0094, "GPU 94 HDMI/DP", patch_nvhdmi), 4593HDA_CODEC_ENTRY(0x10de0095, "GPU 95 HDMI/DP", patch_nvhdmi), 4594HDA_CODEC_ENTRY(0x10de0097, "GPU 97 HDMI/DP", patch_nvhdmi), 4595HDA_CODEC_ENTRY(0x10de0098, "GPU 98 HDMI/DP", patch_nvhdmi), 4596HDA_CODEC_ENTRY(0x10de0099, "GPU 99 HDMI/DP", patch_nvhdmi), 4597HDA_CODEC_ENTRY(0x10de009a, "GPU 9a HDMI/DP", patch_nvhdmi), 4598HDA_CODEC_ENTRY(0x10de009d, "GPU 9d HDMI/DP", patch_nvhdmi), 4599HDA_CODEC_ENTRY(0x10de009e, "GPU 9e HDMI/DP", patch_nvhdmi), 4600HDA_CODEC_ENTRY(0x10de009f, "GPU 9f HDMI/DP", patch_nvhdmi), 4601HDA_CODEC_ENTRY(0x10de00a0, "GPU a0 HDMI/DP", patch_nvhdmi), 4602HDA_CODEC_ENTRY(0x10de00a3, "GPU a3 HDMI/DP", patch_nvhdmi), 4603HDA_CODEC_ENTRY(0x10de00a4, "GPU a4 HDMI/DP", patch_nvhdmi), 4604HDA_CODEC_ENTRY(0x10de00a5, "GPU a5 HDMI/DP", patch_nvhdmi), 4605HDA_CODEC_ENTRY(0x10de00a6, "GPU a6 HDMI/DP", patch_nvhdmi), 4606HDA_CODEC_ENTRY(0x10de00a7, "GPU a7 HDMI/DP", patch_nvhdmi), 4607HDA_CODEC_ENTRY(0x10de8001, "MCP73 HDMI", patch_nvhdmi_2ch), 4608HDA_CODEC_ENTRY(0x10de8067, "MCP67/68 HDMI", patch_nvhdmi_2ch), 4609HDA_CODEC_ENTRY(0x67663d82, "Arise 82 HDMI/DP", patch_gf_hdmi), 4610HDA_CODEC_ENTRY(0x67663d83, "Arise 83 HDMI/DP", patch_gf_hdmi), 4611HDA_CODEC_ENTRY(0x67663d84, "Arise 84 HDMI/DP", patch_gf_hdmi), 4612HDA_CODEC_ENTRY(0x67663d85, "Arise 85 HDMI/DP", patch_gf_hdmi), 4613HDA_CODEC_ENTRY(0x67663d86, "Arise 86 HDMI/DP", patch_gf_hdmi), 4614HDA_CODEC_ENTRY(0x67663d87, "Arise 87 HDMI/DP", patch_gf_hdmi), 4615HDA_CODEC_ENTRY(0x11069f80, "VX900 HDMI/DP", patch_via_hdmi), 4616HDA_CODEC_ENTRY(0x11069f81, "VX900 HDMI/DP", patch_via_hdmi), 4617HDA_CODEC_ENTRY(0x11069f84, "VX11 HDMI/DP", patch_generic_hdmi), 4618HDA_CODEC_ENTRY(0x11069f85, "VX11 HDMI/DP", patch_generic_hdmi), 4619HDA_CODEC_ENTRY(0x80860054, "IbexPeak HDMI", patch_i915_cpt_hdmi), 4620HDA_CODEC_ENTRY(0x80862800, "Geminilake HDMI", patch_i915_glk_hdmi), 4621HDA_CODEC_ENTRY(0x80862801, "Bearlake HDMI", patch_generic_hdmi), 4622HDA_CODEC_ENTRY(0x80862802, "Cantiga HDMI", patch_generic_hdmi), 4623HDA_CODEC_ENTRY(0x80862803, "Eaglelake HDMI", patch_generic_hdmi), 4624HDA_CODEC_ENTRY(0x80862804, "IbexPeak HDMI", patch_i915_cpt_hdmi), 4625HDA_CODEC_ENTRY(0x80862805, "CougarPoint HDMI", patch_i915_cpt_hdmi), 4626HDA_CODEC_ENTRY(0x80862806, "PantherPoint HDMI", patch_i915_cpt_hdmi), 4627HDA_CODEC_ENTRY(0x80862807, "Haswell HDMI", patch_i915_hsw_hdmi), 4628HDA_CODEC_ENTRY(0x80862808, "Broadwell HDMI", patch_i915_hsw_hdmi), 4629HDA_CODEC_ENTRY(0x80862809, "Skylake HDMI", patch_i915_hsw_hdmi), 4630HDA_CODEC_ENTRY(0x8086280a, "Broxton HDMI", patch_i915_hsw_hdmi), 4631HDA_CODEC_ENTRY(0x8086280b, "Kabylake HDMI", patch_i915_hsw_hdmi), 4632HDA_CODEC_ENTRY(0x8086280c, "Cannonlake HDMI", patch_i915_glk_hdmi), 4633HDA_CODEC_ENTRY(0x8086280d, "Geminilake HDMI", patch_i915_glk_hdmi), 4634HDA_CODEC_ENTRY(0x8086280f, "Icelake HDMI", patch_i915_icl_hdmi), 4635HDA_CODEC_ENTRY(0x80862812, "Tigerlake HDMI", patch_i915_tgl_hdmi), 4636HDA_CODEC_ENTRY(0x80862814, "DG1 HDMI", patch_i915_tgl_hdmi), 4637HDA_CODEC_ENTRY(0x80862815, "Alderlake HDMI", patch_i915_tgl_hdmi), 4638HDA_CODEC_ENTRY(0x80862816, "Rocketlake HDMI", patch_i915_tgl_hdmi), 4639HDA_CODEC_ENTRY(0x80862818, "Raptorlake HDMI", patch_i915_tgl_hdmi), 4640HDA_CODEC_ENTRY(0x80862819, "DG2 HDMI", patch_i915_tgl_hdmi), 4641HDA_CODEC_ENTRY(0x8086281a, "Jasperlake HDMI", patch_i915_icl_hdmi), 4642HDA_CODEC_ENTRY(0x8086281b, "Elkhartlake HDMI", patch_i915_icl_hdmi), 4643HDA_CODEC_ENTRY(0x8086281c, "Alderlake-P HDMI", patch_i915_adlp_hdmi), 4644HDA_CODEC_ENTRY(0x8086281d, "Meteor Lake HDMI", patch_i915_adlp_hdmi), 4645HDA_CODEC_ENTRY(0x8086281f, "Raptor Lake P HDMI", patch_i915_adlp_hdmi), 4646HDA_CODEC_ENTRY(0x80862820, "Lunar Lake HDMI", patch_i915_adlp_hdmi), 4647HDA_CODEC_ENTRY(0x80862880, "CedarTrail HDMI", patch_generic_hdmi), 4648HDA_CODEC_ENTRY(0x80862882, "Valleyview2 HDMI", patch_i915_byt_hdmi), 4649HDA_CODEC_ENTRY(0x80862883, "Braswell HDMI", patch_i915_byt_hdmi), 4650HDA_CODEC_ENTRY(0x808629fb, "Crestline HDMI", patch_generic_hdmi), 4651/* special ID for generic HDMI */ 4652HDA_CODEC_ENTRY(HDA_CODEC_ID_GENERIC_HDMI, "Generic HDMI", patch_generic_hdmi), 4653{} /* terminator */ 4654}; 4655MODULE_DEVICE_TABLE(hdaudio, snd_hda_id_hdmi); 4656 4657MODULE_LICENSE("GPL"); 4658MODULE_DESCRIPTION("HDMI HD-audio codec"); 4659MODULE_ALIAS("snd-hda-codec-intelhdmi"); 4660MODULE_ALIAS("snd-hda-codec-nvhdmi"); 4661MODULE_ALIAS("snd-hda-codec-atihdmi"); 4662 4663static struct hda_codec_driver hdmi_driver = { 4664 .id = snd_hda_id_hdmi, 4665}; 4666 4667module_hda_codec_driver(hdmi_driver); 4668