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proc.c
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linux-6.19.14/sound/hda/common/proc.c
1// SPDX-License-Identifier: GPL-2.0-or-later 2/* 3 * Universal Interface for Intel High Definition Audio Codec 4 * 5 * Generic proc interface 6 * 7 * Copyright (c) 2004 Takashi Iwai <tiwai@suse.de> 8 */ 9 10#include <linux/init.h> 11#include <linux/slab.h> 12#include <sound/core.h> 13#include <linux/module.h> 14#include <sound/hda_codec.h> 15#include "hda_local.h" 16 17static int dump_coef = -1; 18module_param(dump_coef, int, 0644); 19MODULE_PARM_DESC(dump_coef, "Dump processing coefficients in codec proc file (-1=auto, 0=disable, 1=enable)"); 20 21/* always use noncached version */ 22#define param_read(codec, nid, parm) \ 23 snd_hdac_read_parm_uncached(&(codec)->core, nid, parm) 24 25static const char *get_wid_type_name(unsigned int wid_value) 26{ 27 static const char * const names[16] = { 28 [AC_WID_AUD_OUT] = "Audio Output", 29 [AC_WID_AUD_IN] = "Audio Input", 30 [AC_WID_AUD_MIX] = "Audio Mixer", 31 [AC_WID_AUD_SEL] = "Audio Selector", 32 [AC_WID_PIN] = "Pin Complex", 33 [AC_WID_POWER] = "Power Widget", 34 [AC_WID_VOL_KNB] = "Volume Knob Widget", 35 [AC_WID_BEEP] = "Beep Generator Widget", 36 [AC_WID_VENDOR] = "Vendor Defined Widget", 37 }; 38 if (wid_value == -1) 39 return "UNKNOWN Widget"; 40 wid_value &= 0xf; 41 if (names[wid_value]) 42 return names[wid_value]; 43 else 44 return "UNKNOWN Widget"; 45} 46 47static void print_nid_array(struct snd_info_buffer *buffer, 48 struct hda_codec *codec, hda_nid_t nid, 49 struct snd_array *array) 50{ 51 int i; 52 struct hda_nid_item *items = array->list, *item; 53 struct snd_kcontrol *kctl; 54 for (i = 0; i < array->used; i++) { 55 item = &items[i]; 56 if (item->nid == nid) { 57 kctl = item->kctl; 58 snd_iprintf(buffer, 59 " Control: name=\"%s\", index=%i, device=%i\n", 60 kctl->id.name, kctl->id.index + item->index, 61 kctl->id.device); 62 if (item->flags & HDA_NID_ITEM_AMP) 63 snd_iprintf(buffer, 64 " ControlAmp: chs=%lu, dir=%s, " 65 "idx=%lu, ofs=%lu\n", 66 get_amp_channels(kctl), 67 get_amp_direction(kctl) ? "Out" : "In", 68 get_amp_index(kctl), 69 get_amp_offset(kctl)); 70 } 71 } 72} 73 74static void print_nid_pcms(struct snd_info_buffer *buffer, 75 struct hda_codec *codec, hda_nid_t nid) 76{ 77 int type; 78 struct hda_pcm *cpcm; 79 80 list_for_each_entry(cpcm, &codec->pcm_list_head, list) { 81 for (type = 0; type < 2; type++) { 82 if (cpcm->stream[type].nid != nid || cpcm->pcm == NULL) 83 continue; 84 snd_iprintf(buffer, " Device: name=\"%s\", " 85 "type=\"%s\", device=%i\n", 86 cpcm->name, 87 snd_hda_pcm_type_name[cpcm->pcm_type], 88 cpcm->pcm->device); 89 } 90 } 91} 92 93static void print_amp_caps(struct snd_info_buffer *buffer, 94 struct hda_codec *codec, hda_nid_t nid, int dir) 95{ 96 unsigned int caps; 97 caps = param_read(codec, nid, dir == HDA_OUTPUT ? 98 AC_PAR_AMP_OUT_CAP : AC_PAR_AMP_IN_CAP); 99 if (caps == -1 || caps == 0) { 100 snd_iprintf(buffer, "N/A\n"); 101 return; 102 } 103 snd_iprintf(buffer, "ofs=0x%02x, nsteps=0x%02x, stepsize=0x%02x, " 104 "mute=%x\n", 105 caps & AC_AMPCAP_OFFSET, 106 (caps & AC_AMPCAP_NUM_STEPS) >> AC_AMPCAP_NUM_STEPS_SHIFT, 107 (caps & AC_AMPCAP_STEP_SIZE) >> AC_AMPCAP_STEP_SIZE_SHIFT, 108 (caps & AC_AMPCAP_MUTE) >> AC_AMPCAP_MUTE_SHIFT); 109} 110 111/* is this a stereo widget or a stereo-to-mono mix? */ 112static bool is_stereo_amps(struct hda_codec *codec, hda_nid_t nid, 113 int dir, unsigned int wcaps, int indices) 114{ 115 hda_nid_t conn; 116 117 if (wcaps & AC_WCAP_STEREO) 118 return true; 119 /* check for a stereo-to-mono mix; it must be: 120 * only a single connection, only for input, and only a mixer widget 121 */ 122 if (indices != 1 || dir != HDA_INPUT || 123 get_wcaps_type(wcaps) != AC_WID_AUD_MIX) 124 return false; 125 126 if (snd_hda_get_raw_connections(codec, nid, &conn, 1) < 0) 127 return false; 128 /* the connection source is a stereo? */ 129 wcaps = snd_hda_param_read(codec, conn, AC_PAR_AUDIO_WIDGET_CAP); 130 return !!(wcaps & AC_WCAP_STEREO); 131} 132 133static void print_amp_vals(struct snd_info_buffer *buffer, 134 struct hda_codec *codec, hda_nid_t nid, 135 int dir, unsigned int wcaps, int indices) 136{ 137 unsigned int val; 138 bool stereo; 139 int i; 140 141 stereo = is_stereo_amps(codec, nid, dir, wcaps, indices); 142 143 dir = dir == HDA_OUTPUT ? AC_AMP_GET_OUTPUT : AC_AMP_GET_INPUT; 144 for (i = 0; i < indices; i++) { 145 snd_iprintf(buffer, " ["); 146 val = snd_hda_codec_read(codec, nid, 0, 147 AC_VERB_GET_AMP_GAIN_MUTE, 148 AC_AMP_GET_LEFT | dir | i); 149 snd_iprintf(buffer, "0x%02x", val); 150 if (stereo) { 151 val = snd_hda_codec_read(codec, nid, 0, 152 AC_VERB_GET_AMP_GAIN_MUTE, 153 AC_AMP_GET_RIGHT | dir | i); 154 snd_iprintf(buffer, " 0x%02x", val); 155 } 156 snd_iprintf(buffer, "]"); 157 } 158 snd_iprintf(buffer, "\n"); 159} 160 161static void print_pcm_rates(struct snd_info_buffer *buffer, unsigned int pcm) 162{ 163 static const unsigned int rates[] = { 164 8000, 11025, 16000, 22050, 32000, 44100, 48000, 88200, 165 96000, 176400, 192000, 384000 166 }; 167 int i; 168 169 pcm &= AC_SUPPCM_RATES; 170 snd_iprintf(buffer, " rates [0x%x]:", pcm); 171 for (i = 0; i < ARRAY_SIZE(rates); i++) 172 if (pcm & (1 << i)) 173 snd_iprintf(buffer, " %d", rates[i]); 174 snd_iprintf(buffer, "\n"); 175} 176 177static void print_pcm_bits(struct snd_info_buffer *buffer, unsigned int pcm) 178{ 179 char buf[SND_PRINT_BITS_ADVISED_BUFSIZE]; 180 181 snd_iprintf(buffer, " bits [0x%x]:", (pcm >> 16) & 0xff); 182 snd_print_pcm_bits(pcm, buf, sizeof(buf)); 183 snd_iprintf(buffer, "%s\n", buf); 184} 185 186static void print_pcm_formats(struct snd_info_buffer *buffer, 187 unsigned int streams) 188{ 189 snd_iprintf(buffer, " formats [0x%x]:", streams & 0xf); 190 if (streams & AC_SUPFMT_PCM) 191 snd_iprintf(buffer, " PCM"); 192 if (streams & AC_SUPFMT_FLOAT32) 193 snd_iprintf(buffer, " FLOAT"); 194 if (streams & AC_SUPFMT_AC3) 195 snd_iprintf(buffer, " AC3"); 196 snd_iprintf(buffer, "\n"); 197} 198 199static void print_pcm_caps(struct snd_info_buffer *buffer, 200 struct hda_codec *codec, hda_nid_t nid) 201{ 202 unsigned int pcm = param_read(codec, nid, AC_PAR_PCM); 203 unsigned int stream = param_read(codec, nid, AC_PAR_STREAM); 204 if (pcm == -1 || stream == -1) { 205 snd_iprintf(buffer, "N/A\n"); 206 return; 207 } 208 print_pcm_rates(buffer, pcm); 209 print_pcm_bits(buffer, pcm); 210 print_pcm_formats(buffer, stream); 211} 212 213static const char *get_jack_connection(u32 cfg) 214{ 215 static const char * const names[16] = { 216 "Unknown", "1/8", "1/4", "ATAPI", 217 "RCA", "Optical","Digital", "Analog", 218 "DIN", "XLR", "RJ11", "Comb", 219 NULL, NULL, NULL, "Other" 220 }; 221 cfg = (cfg & AC_DEFCFG_CONN_TYPE) >> AC_DEFCFG_CONN_TYPE_SHIFT; 222 if (names[cfg]) 223 return names[cfg]; 224 else 225 return "UNKNOWN"; 226} 227 228static const char *get_jack_color(u32 cfg) 229{ 230 static const char * const names[16] = { 231 "Unknown", "Black", "Grey", "Blue", 232 "Green", "Red", "Orange", "Yellow", 233 "Purple", "Pink", NULL, NULL, 234 NULL, NULL, "White", "Other", 235 }; 236 cfg = (cfg & AC_DEFCFG_COLOR) >> AC_DEFCFG_COLOR_SHIFT; 237 if (names[cfg]) 238 return names[cfg]; 239 else 240 return "UNKNOWN"; 241} 242 243/* 244 * Parse the pin default config value and returns the string of the 245 * jack location, e.g. "Rear", "Front", etc. 246 */ 247static const char *get_jack_location(u32 cfg) 248{ 249 static const char * const bases[7] = { 250 "N/A", "Rear", "Front", "Left", "Right", "Top", "Bottom", 251 }; 252 static const unsigned char specials_idx[] = { 253 0x07, 0x08, 254 0x17, 0x18, 0x19, 255 0x37, 0x38 256 }; 257 static const char * const specials[] = { 258 "Rear Panel", "Drive Bar", 259 "Riser", "HDMI", "ATAPI", 260 "Mobile-In", "Mobile-Out" 261 }; 262 int i; 263 264 cfg = (cfg & AC_DEFCFG_LOCATION) >> AC_DEFCFG_LOCATION_SHIFT; 265 if ((cfg & 0x0f) < 7) 266 return bases[cfg & 0x0f]; 267 for (i = 0; i < ARRAY_SIZE(specials_idx); i++) { 268 if (cfg == specials_idx[i]) 269 return specials[i]; 270 } 271 return "UNKNOWN"; 272} 273 274/* 275 * Parse the pin default config value and returns the string of the 276 * jack connectivity, i.e. external or internal connection. 277 */ 278static const char *get_jack_connectivity(u32 cfg) 279{ 280 static const char * const jack_locations[4] = { 281 "Ext", "Int", "Sep", "Oth" 282 }; 283 284 return jack_locations[(cfg >> (AC_DEFCFG_LOCATION_SHIFT + 4)) & 3]; 285} 286 287/* 288 * Parse the pin default config value and returns the string of the 289 * jack type, i.e. the purpose of the jack, such as Line-Out or CD. 290 */ 291static const char *get_jack_type(u32 cfg) 292{ 293 static const char * const jack_types[16] = { 294 "Line Out", "Speaker", "HP Out", "CD", 295 "SPDIF Out", "Digital Out", "Modem Line", "Modem Hand", 296 "Line In", "Aux", "Mic", "Telephony", 297 "SPDIF In", "Digital In", "Reserved", "Other" 298 }; 299 300 return jack_types[(cfg & AC_DEFCFG_DEVICE) 301 >> AC_DEFCFG_DEVICE_SHIFT]; 302} 303 304static void print_pin_caps(struct snd_info_buffer *buffer, 305 struct hda_codec *codec, hda_nid_t nid, 306 int *supports_vref) 307{ 308 static const char * const jack_conns[4] = { 309 "Jack", "N/A", "Fixed", "Both" 310 }; 311 unsigned int caps, val; 312 313 caps = param_read(codec, nid, AC_PAR_PIN_CAP); 314 snd_iprintf(buffer, " Pincap 0x%08x:", caps); 315 if (caps & AC_PINCAP_IN) 316 snd_iprintf(buffer, " IN"); 317 if (caps & AC_PINCAP_OUT) 318 snd_iprintf(buffer, " OUT"); 319 if (caps & AC_PINCAP_HP_DRV) 320 snd_iprintf(buffer, " HP"); 321 if (caps & AC_PINCAP_EAPD) 322 snd_iprintf(buffer, " EAPD"); 323 if (caps & AC_PINCAP_PRES_DETECT) 324 snd_iprintf(buffer, " Detect"); 325 if (caps & AC_PINCAP_BALANCE) 326 snd_iprintf(buffer, " Balanced"); 327 if (caps & AC_PINCAP_HDMI) { 328 /* Realtek uses this bit as a different meaning */ 329 if ((codec->core.vendor_id >> 16) == 0x10ec) 330 snd_iprintf(buffer, " R/L"); 331 else { 332 if (caps & AC_PINCAP_HBR) 333 snd_iprintf(buffer, " HBR"); 334 snd_iprintf(buffer, " HDMI"); 335 } 336 } 337 if (caps & AC_PINCAP_DP) 338 snd_iprintf(buffer, " DP"); 339 if (caps & AC_PINCAP_TRIG_REQ) 340 snd_iprintf(buffer, " Trigger"); 341 if (caps & AC_PINCAP_IMP_SENSE) 342 snd_iprintf(buffer, " ImpSense"); 343 snd_iprintf(buffer, "\n"); 344 if (caps & AC_PINCAP_VREF) { 345 unsigned int vref = 346 (caps & AC_PINCAP_VREF) >> AC_PINCAP_VREF_SHIFT; 347 snd_iprintf(buffer, " Vref caps:"); 348 if (vref & AC_PINCAP_VREF_HIZ) 349 snd_iprintf(buffer, " HIZ"); 350 if (vref & AC_PINCAP_VREF_50) 351 snd_iprintf(buffer, " 50"); 352 if (vref & AC_PINCAP_VREF_GRD) 353 snd_iprintf(buffer, " GRD"); 354 if (vref & AC_PINCAP_VREF_80) 355 snd_iprintf(buffer, " 80"); 356 if (vref & AC_PINCAP_VREF_100) 357 snd_iprintf(buffer, " 100"); 358 snd_iprintf(buffer, "\n"); 359 *supports_vref = 1; 360 } else 361 *supports_vref = 0; 362 if (caps & AC_PINCAP_EAPD) { 363 val = snd_hda_codec_read(codec, nid, 0, 364 AC_VERB_GET_EAPD_BTLENABLE, 0); 365 snd_iprintf(buffer, " EAPD 0x%x:", val); 366 if (val & AC_EAPDBTL_BALANCED) 367 snd_iprintf(buffer, " BALANCED"); 368 if (val & AC_EAPDBTL_EAPD) 369 snd_iprintf(buffer, " EAPD"); 370 if (val & AC_EAPDBTL_LR_SWAP) 371 snd_iprintf(buffer, " R/L"); 372 snd_iprintf(buffer, "\n"); 373 } 374 caps = snd_hda_codec_read(codec, nid, 0, AC_VERB_GET_CONFIG_DEFAULT, 0); 375 snd_iprintf(buffer, " Pin Default 0x%08x: [%s] %s at %s %s\n", caps, 376 jack_conns[(caps & AC_DEFCFG_PORT_CONN) >> AC_DEFCFG_PORT_CONN_SHIFT], 377 get_jack_type(caps), 378 get_jack_connectivity(caps), 379 get_jack_location(caps)); 380 snd_iprintf(buffer, " Conn = %s, Color = %s\n", 381 get_jack_connection(caps), 382 get_jack_color(caps)); 383 /* Default association and sequence values refer to default grouping 384 * of pin complexes and their sequence within the group. This is used 385 * for priority and resource allocation. 386 */ 387 snd_iprintf(buffer, " DefAssociation = 0x%x, Sequence = 0x%x\n", 388 (caps & AC_DEFCFG_DEF_ASSOC) >> AC_DEFCFG_ASSOC_SHIFT, 389 caps & AC_DEFCFG_SEQUENCE); 390 if (((caps & AC_DEFCFG_MISC) >> AC_DEFCFG_MISC_SHIFT) & 391 AC_DEFCFG_MISC_NO_PRESENCE) { 392 /* Miscellaneous bit indicates external hardware does not 393 * support presence detection even if the pin complex 394 * indicates it is supported. 395 */ 396 snd_iprintf(buffer, " Misc = NO_PRESENCE\n"); 397 } 398} 399 400static void print_pin_ctls(struct snd_info_buffer *buffer, 401 struct hda_codec *codec, hda_nid_t nid, 402 int supports_vref) 403{ 404 unsigned int pinctls; 405 406 pinctls = snd_hda_codec_read(codec, nid, 0, 407 AC_VERB_GET_PIN_WIDGET_CONTROL, 0); 408 snd_iprintf(buffer, " Pin-ctls: 0x%02x:", pinctls); 409 if (pinctls & AC_PINCTL_IN_EN) 410 snd_iprintf(buffer, " IN"); 411 if (pinctls & AC_PINCTL_OUT_EN) 412 snd_iprintf(buffer, " OUT"); 413 if (pinctls & AC_PINCTL_HP_EN) 414 snd_iprintf(buffer, " HP"); 415 if (supports_vref) { 416 int vref = pinctls & AC_PINCTL_VREFEN; 417 switch (vref) { 418 case AC_PINCTL_VREF_HIZ: 419 snd_iprintf(buffer, " VREF_HIZ"); 420 break; 421 case AC_PINCTL_VREF_50: 422 snd_iprintf(buffer, " VREF_50"); 423 break; 424 case AC_PINCTL_VREF_GRD: 425 snd_iprintf(buffer, " VREF_GRD"); 426 break; 427 case AC_PINCTL_VREF_80: 428 snd_iprintf(buffer, " VREF_80"); 429 break; 430 case AC_PINCTL_VREF_100: 431 snd_iprintf(buffer, " VREF_100"); 432 break; 433 } 434 } 435 snd_iprintf(buffer, "\n"); 436} 437 438static void print_vol_knob(struct snd_info_buffer *buffer, 439 struct hda_codec *codec, hda_nid_t nid) 440{ 441 unsigned int cap = param_read(codec, nid, AC_PAR_VOL_KNB_CAP); 442 snd_iprintf(buffer, " Volume-Knob: delta=%d, steps=%d, ", 443 (cap >> 7) & 1, cap & 0x7f); 444 cap = snd_hda_codec_read(codec, nid, 0, 445 AC_VERB_GET_VOLUME_KNOB_CONTROL, 0); 446 snd_iprintf(buffer, "direct=%d, val=%d\n", 447 (cap >> 7) & 1, cap & 0x7f); 448} 449 450static void print_audio_io(struct snd_info_buffer *buffer, 451 struct hda_codec *codec, hda_nid_t nid, 452 unsigned int wid_type) 453{ 454 int conv = snd_hda_codec_read(codec, nid, 0, AC_VERB_GET_CONV, 0); 455 snd_iprintf(buffer, 456 " Converter: stream=%d, channel=%d\n", 457 (conv & AC_CONV_STREAM) >> AC_CONV_STREAM_SHIFT, 458 conv & AC_CONV_CHANNEL); 459 460 if (wid_type == AC_WID_AUD_IN && (conv & AC_CONV_CHANNEL) == 0) { 461 int sdi = snd_hda_codec_read(codec, nid, 0, 462 AC_VERB_GET_SDI_SELECT, 0); 463 snd_iprintf(buffer, " SDI-Select: %d\n", 464 sdi & AC_SDI_SELECT); 465 } 466} 467 468static void print_digital_conv(struct snd_info_buffer *buffer, 469 struct hda_codec *codec, hda_nid_t nid) 470{ 471 unsigned int digi1 = snd_hda_codec_read(codec, nid, 0, 472 AC_VERB_GET_DIGI_CONVERT_1, 0); 473 unsigned char digi2 = digi1 >> 8; 474 unsigned char digi3 = digi1 >> 16; 475 476 snd_iprintf(buffer, " Digital:"); 477 if (digi1 & AC_DIG1_ENABLE) 478 snd_iprintf(buffer, " Enabled"); 479 if (digi1 & AC_DIG1_V) 480 snd_iprintf(buffer, " Validity"); 481 if (digi1 & AC_DIG1_VCFG) 482 snd_iprintf(buffer, " ValidityCfg"); 483 if (digi1 & AC_DIG1_EMPHASIS) 484 snd_iprintf(buffer, " Preemphasis"); 485 if (digi1 & AC_DIG1_COPYRIGHT) 486 snd_iprintf(buffer, " Non-Copyright"); 487 if (digi1 & AC_DIG1_NONAUDIO) 488 snd_iprintf(buffer, " Non-Audio"); 489 if (digi1 & AC_DIG1_PROFESSIONAL) 490 snd_iprintf(buffer, " Pro"); 491 if (digi1 & AC_DIG1_LEVEL) 492 snd_iprintf(buffer, " GenLevel"); 493 if (digi3 & AC_DIG3_KAE) 494 snd_iprintf(buffer, " KAE"); 495 snd_iprintf(buffer, "\n"); 496 snd_iprintf(buffer, " Digital category: 0x%x\n", 497 digi2 & AC_DIG2_CC); 498 snd_iprintf(buffer, " IEC Coding Type: 0x%x\n", 499 digi3 & AC_DIG3_ICT); 500} 501 502static const char *get_pwr_state(u32 state) 503{ 504 static const char * const buf[] = { 505 "D0", "D1", "D2", "D3", "D3cold" 506 }; 507 if (state < ARRAY_SIZE(buf)) 508 return buf[state]; 509 return "UNKNOWN"; 510} 511 512static void print_power_state(struct snd_info_buffer *buffer, 513 struct hda_codec *codec, hda_nid_t nid) 514{ 515 static const char * const names[] = { 516 [ilog2(AC_PWRST_D0SUP)] = "D0", 517 [ilog2(AC_PWRST_D1SUP)] = "D1", 518 [ilog2(AC_PWRST_D2SUP)] = "D2", 519 [ilog2(AC_PWRST_D3SUP)] = "D3", 520 [ilog2(AC_PWRST_D3COLDSUP)] = "D3cold", 521 [ilog2(AC_PWRST_S3D3COLDSUP)] = "S3D3cold", 522 [ilog2(AC_PWRST_CLKSTOP)] = "CLKSTOP", 523 [ilog2(AC_PWRST_EPSS)] = "EPSS", 524 }; 525 526 int sup = param_read(codec, nid, AC_PAR_POWER_STATE); 527 int pwr = snd_hda_codec_read(codec, nid, 0, 528 AC_VERB_GET_POWER_STATE, 0); 529 if (sup != -1) { 530 int i; 531 532 snd_iprintf(buffer, " Power states: "); 533 for (i = 0; i < ARRAY_SIZE(names); i++) { 534 if (sup & (1U << i)) 535 snd_iprintf(buffer, " %s", names[i]); 536 } 537 snd_iprintf(buffer, "\n"); 538 } 539 540 snd_iprintf(buffer, " Power: setting=%s, actual=%s", 541 get_pwr_state(pwr & AC_PWRST_SETTING), 542 get_pwr_state((pwr & AC_PWRST_ACTUAL) >> 543 AC_PWRST_ACTUAL_SHIFT)); 544 if (pwr & AC_PWRST_ERROR) 545 snd_iprintf(buffer, ", Error"); 546 if (pwr & AC_PWRST_CLK_STOP_OK) 547 snd_iprintf(buffer, ", Clock-stop-OK"); 548 if (pwr & AC_PWRST_SETTING_RESET) 549 snd_iprintf(buffer, ", Setting-reset"); 550 snd_iprintf(buffer, "\n"); 551} 552 553static void print_unsol_cap(struct snd_info_buffer *buffer, 554 struct hda_codec *codec, hda_nid_t nid) 555{ 556 int unsol = snd_hda_codec_read(codec, nid, 0, 557 AC_VERB_GET_UNSOLICITED_RESPONSE, 0); 558 snd_iprintf(buffer, 559 " Unsolicited: tag=%02x, enabled=%d\n", 560 unsol & AC_UNSOL_TAG, 561 (unsol & AC_UNSOL_ENABLED) ? 1 : 0); 562} 563 564static inline bool can_dump_coef(struct hda_codec *codec) 565{ 566 switch (dump_coef) { 567 case 0: return false; 568 case 1: return true; 569 default: return codec->dump_coef; 570 } 571} 572 573static void print_proc_caps(struct snd_info_buffer *buffer, 574 struct hda_codec *codec, hda_nid_t nid) 575{ 576 unsigned int i, ncoeff, oldindex; 577 unsigned int proc_caps = param_read(codec, nid, AC_PAR_PROC_CAP); 578 ncoeff = (proc_caps & AC_PCAP_NUM_COEF) >> AC_PCAP_NUM_COEF_SHIFT; 579 snd_iprintf(buffer, " Processing caps: benign=%d, ncoeff=%d\n", 580 proc_caps & AC_PCAP_BENIGN, ncoeff); 581 582 if (!can_dump_coef(codec)) 583 return; 584 585 /* Note: This is racy - another process could run in parallel and change 586 the coef index too. */ 587 oldindex = snd_hda_codec_read(codec, nid, 0, AC_VERB_GET_COEF_INDEX, 0); 588 for (i = 0; i < ncoeff; i++) { 589 unsigned int val; 590 snd_hda_codec_write(codec, nid, 0, AC_VERB_SET_COEF_INDEX, i); 591 val = snd_hda_codec_read(codec, nid, 0, AC_VERB_GET_PROC_COEF, 592 0); 593 snd_iprintf(buffer, " Coeff 0x%02x: 0x%04x\n", i, val); 594 } 595 snd_hda_codec_write(codec, nid, 0, AC_VERB_SET_COEF_INDEX, oldindex); 596} 597 598static void print_conn_list(struct snd_info_buffer *buffer, 599 struct hda_codec *codec, hda_nid_t nid, 600 unsigned int wid_type, hda_nid_t *conn, 601 int conn_len) 602{ 603 int c, curr = -1; 604 const hda_nid_t *list; 605 int cache_len; 606 607 if (conn_len > 1 && 608 wid_type != AC_WID_AUD_MIX && 609 wid_type != AC_WID_VOL_KNB && 610 wid_type != AC_WID_POWER) 611 curr = snd_hda_codec_read(codec, nid, 0, 612 AC_VERB_GET_CONNECT_SEL, 0); 613 snd_iprintf(buffer, " Connection: %d\n", conn_len); 614 if (conn_len > 0) { 615 snd_iprintf(buffer, " "); 616 for (c = 0; c < conn_len; c++) { 617 snd_iprintf(buffer, " 0x%02x", conn[c]); 618 if (c == curr) 619 snd_iprintf(buffer, "*"); 620 } 621 snd_iprintf(buffer, "\n"); 622 } 623 624 /* Get Cache connections info */ 625 cache_len = snd_hda_get_conn_list(codec, nid, &list); 626 if (cache_len >= 0 && (cache_len != conn_len || 627 memcmp(list, conn, conn_len) != 0)) { 628 snd_iprintf(buffer, " In-driver Connection: %d\n", cache_len); 629 if (cache_len > 0) { 630 snd_iprintf(buffer, " "); 631 for (c = 0; c < cache_len; c++) 632 snd_iprintf(buffer, " 0x%02x", list[c]); 633 snd_iprintf(buffer, "\n"); 634 } 635 } 636} 637 638static void print_gpio(struct snd_info_buffer *buffer, 639 struct hda_codec *codec, hda_nid_t nid) 640{ 641 unsigned int gpio = 642 param_read(codec, codec->core.afg, AC_PAR_GPIO_CAP); 643 unsigned int enable, direction, wake, unsol, sticky, data; 644 int i, max; 645 snd_iprintf(buffer, "GPIO: io=%d, o=%d, i=%d, " 646 "unsolicited=%d, wake=%d\n", 647 gpio & AC_GPIO_IO_COUNT, 648 (gpio & AC_GPIO_O_COUNT) >> AC_GPIO_O_COUNT_SHIFT, 649 (gpio & AC_GPIO_I_COUNT) >> AC_GPIO_I_COUNT_SHIFT, 650 (gpio & AC_GPIO_UNSOLICITED) ? 1 : 0, 651 (gpio & AC_GPIO_WAKE) ? 1 : 0); 652 max = gpio & AC_GPIO_IO_COUNT; 653 if (!max || max > 8) 654 return; 655 enable = snd_hda_codec_read(codec, nid, 0, 656 AC_VERB_GET_GPIO_MASK, 0); 657 direction = snd_hda_codec_read(codec, nid, 0, 658 AC_VERB_GET_GPIO_DIRECTION, 0); 659 wake = snd_hda_codec_read(codec, nid, 0, 660 AC_VERB_GET_GPIO_WAKE_MASK, 0); 661 unsol = snd_hda_codec_read(codec, nid, 0, 662 AC_VERB_GET_GPIO_UNSOLICITED_RSP_MASK, 0); 663 sticky = snd_hda_codec_read(codec, nid, 0, 664 AC_VERB_GET_GPIO_STICKY_MASK, 0); 665 data = snd_hda_codec_read(codec, nid, 0, 666 AC_VERB_GET_GPIO_DATA, 0); 667 for (i = 0; i < max; ++i) 668 snd_iprintf(buffer, 669 " IO[%d]: enable=%d, dir=%d, wake=%d, " 670 "sticky=%d, data=%d, unsol=%d\n", i, 671 (enable & (1<<i)) ? 1 : 0, 672 (direction & (1<<i)) ? 1 : 0, 673 (wake & (1<<i)) ? 1 : 0, 674 (sticky & (1<<i)) ? 1 : 0, 675 (data & (1<<i)) ? 1 : 0, 676 (unsol & (1<<i)) ? 1 : 0); 677 /* FIXME: add GPO and GPI pin information */ 678 print_nid_array(buffer, codec, nid, &codec->mixers); 679 print_nid_array(buffer, codec, nid, &codec->nids); 680} 681 682static void print_dpmst_connections(struct snd_info_buffer *buffer, struct hda_codec *codec, 683 hda_nid_t nid, int dev_num) 684{ 685 int c, conn_len, curr, dev_id_saved; 686 hda_nid_t *conn; 687 688 conn_len = snd_hda_get_num_raw_conns(codec, nid); 689 if (conn_len <= 0) 690 return; 691 692 conn = kmalloc_array(conn_len, sizeof(hda_nid_t), GFP_KERNEL); 693 if (!conn) 694 return; 695 696 dev_id_saved = snd_hda_get_dev_select(codec, nid); 697 698 snd_hda_set_dev_select(codec, nid, dev_num); 699 curr = snd_hda_codec_read(codec, nid, 0, AC_VERB_GET_CONNECT_SEL, 0); 700 if (snd_hda_get_raw_connections(codec, nid, conn, conn_len) < 0) 701 goto out; 702 703 for (c = 0; c < conn_len; c++) { 704 snd_iprintf(buffer, " 0x%02x", conn[c]); 705 if (c == curr) 706 snd_iprintf(buffer, "*"); 707 } 708 709out: 710 kfree(conn); 711 snd_hda_set_dev_select(codec, nid, dev_id_saved); 712} 713 714static void print_device_list(struct snd_info_buffer *buffer, 715 struct hda_codec *codec, hda_nid_t nid) 716{ 717 int i, curr = -1; 718 u8 dev_list[AC_MAX_DEV_LIST_LEN]; 719 unsigned int devlist_len; 720 721 devlist_len = snd_hda_get_devices(codec, nid, dev_list, 722 AC_MAX_DEV_LIST_LEN); 723 snd_iprintf(buffer, " Devices: %u\n", devlist_len); 724 if (devlist_len == 0) 725 return; 726 727 curr = snd_hda_codec_read(codec, nid, 0, AC_VERB_GET_DEVICE_SEL, 0); 728 729 for (i = 0; i < devlist_len; i++) { 730 if (i == curr) 731 snd_iprintf(buffer, " *"); 732 else 733 snd_iprintf(buffer, " "); 734 735 snd_iprintf(buffer, 736 "Dev %02d: PD = %d, ELDV = %d, IA = %d, Connections [", i, 737 !!(dev_list[i] & AC_DE_PD), 738 !!(dev_list[i] & AC_DE_ELDV), 739 !!(dev_list[i] & AC_DE_IA)); 740 741 print_dpmst_connections(buffer, codec, nid, i); 742 743 snd_iprintf(buffer, " ]\n"); 744 } 745} 746 747static void print_codec_core_info(struct hdac_device *codec, 748 struct snd_info_buffer *buffer) 749{ 750 snd_iprintf(buffer, "Codec: "); 751 if (codec->vendor_name && codec->chip_name) 752 snd_iprintf(buffer, "%s %s\n", 753 codec->vendor_name, codec->chip_name); 754 else 755 snd_iprintf(buffer, "Not Set\n"); 756 snd_iprintf(buffer, "Address: %d\n", codec->addr); 757 if (codec->afg) 758 snd_iprintf(buffer, "AFG Function Id: 0x%x (unsol %u)\n", 759 codec->afg_function_id, codec->afg_unsol); 760 if (codec->mfg) 761 snd_iprintf(buffer, "MFG Function Id: 0x%x (unsol %u)\n", 762 codec->mfg_function_id, codec->mfg_unsol); 763 snd_iprintf(buffer, "Vendor Id: 0x%08x\n", codec->vendor_id); 764 snd_iprintf(buffer, "Subsystem Id: 0x%08x\n", codec->subsystem_id); 765 snd_iprintf(buffer, "Revision Id: 0x%x\n", codec->revision_id); 766 767 if (codec->mfg) 768 snd_iprintf(buffer, "Modem Function Group: 0x%x\n", codec->mfg); 769 else 770 snd_iprintf(buffer, "No Modem Function Group found\n"); 771} 772 773static void print_codec_info(struct snd_info_entry *entry, 774 struct snd_info_buffer *buffer) 775{ 776 struct hda_codec *codec = entry->private_data; 777 hda_nid_t nid, fg; 778 int i, nodes; 779 780 print_codec_core_info(&codec->core, buffer); 781 fg = codec->core.afg; 782 if (!fg) 783 return; 784 CLASS(snd_hda_power, pm)(codec); 785 snd_iprintf(buffer, "Default PCM:\n"); 786 print_pcm_caps(buffer, codec, fg); 787 snd_iprintf(buffer, "Default Amp-In caps: "); 788 print_amp_caps(buffer, codec, fg, HDA_INPUT); 789 snd_iprintf(buffer, "Default Amp-Out caps: "); 790 print_amp_caps(buffer, codec, fg, HDA_OUTPUT); 791 snd_iprintf(buffer, "State of AFG node 0x%02x:\n", fg); 792 print_power_state(buffer, codec, fg); 793 794 nodes = snd_hda_get_sub_nodes(codec, fg, &nid); 795 if (! nid || nodes < 0) { 796 snd_iprintf(buffer, "Invalid AFG subtree\n"); 797 return; 798 } 799 800 print_gpio(buffer, codec, fg); 801 if (codec->proc_widget_hook) 802 codec->proc_widget_hook(buffer, codec, fg); 803 804 for (i = 0; i < nodes; i++, nid++) { 805 unsigned int wid_caps = 806 param_read(codec, nid, AC_PAR_AUDIO_WIDGET_CAP); 807 unsigned int wid_type = get_wcaps_type(wid_caps); 808 hda_nid_t *conn = NULL; 809 int conn_len = 0; 810 811 snd_iprintf(buffer, "Node 0x%02x [%s] wcaps 0x%x:", nid, 812 get_wid_type_name(wid_type), wid_caps); 813 if (wid_caps & AC_WCAP_STEREO) { 814 unsigned int chans = get_wcaps_channels(wid_caps); 815 if (chans == 2) 816 snd_iprintf(buffer, " Stereo"); 817 else 818 snd_iprintf(buffer, " %d-Channels", chans); 819 } else 820 snd_iprintf(buffer, " Mono"); 821 if (wid_caps & AC_WCAP_DIGITAL) 822 snd_iprintf(buffer, " Digital"); 823 if (wid_caps & AC_WCAP_IN_AMP) 824 snd_iprintf(buffer, " Amp-In"); 825 if (wid_caps & AC_WCAP_OUT_AMP) 826 snd_iprintf(buffer, " Amp-Out"); 827 if (wid_caps & AC_WCAP_STRIPE) 828 snd_iprintf(buffer, " Stripe"); 829 if (wid_caps & AC_WCAP_LR_SWAP) 830 snd_iprintf(buffer, " R/L"); 831 if (wid_caps & AC_WCAP_CP_CAPS) 832 snd_iprintf(buffer, " CP"); 833 snd_iprintf(buffer, "\n"); 834 835 print_nid_array(buffer, codec, nid, &codec->mixers); 836 print_nid_array(buffer, codec, nid, &codec->nids); 837 print_nid_pcms(buffer, codec, nid); 838 839 /* volume knob is a special widget that always have connection 840 * list 841 */ 842 if (wid_type == AC_WID_VOL_KNB) 843 wid_caps |= AC_WCAP_CONN_LIST; 844 845 if (wid_caps & AC_WCAP_CONN_LIST) { 846 conn_len = snd_hda_get_num_raw_conns(codec, nid); 847 if (conn_len > 0) { 848 conn = kmalloc_array(conn_len, 849 sizeof(hda_nid_t), 850 GFP_KERNEL); 851 if (!conn) 852 return; 853 if (snd_hda_get_raw_connections(codec, nid, conn, 854 conn_len) < 0) 855 conn_len = 0; 856 } 857 } 858 859 if (wid_caps & AC_WCAP_IN_AMP) { 860 snd_iprintf(buffer, " Amp-In caps: "); 861 print_amp_caps(buffer, codec, nid, HDA_INPUT); 862 snd_iprintf(buffer, " Amp-In vals: "); 863 if (wid_type == AC_WID_PIN || 864 (codec->single_adc_amp && 865 wid_type == AC_WID_AUD_IN)) 866 print_amp_vals(buffer, codec, nid, HDA_INPUT, 867 wid_caps, 1); 868 else 869 print_amp_vals(buffer, codec, nid, HDA_INPUT, 870 wid_caps, conn_len); 871 } 872 if (wid_caps & AC_WCAP_OUT_AMP) { 873 snd_iprintf(buffer, " Amp-Out caps: "); 874 print_amp_caps(buffer, codec, nid, HDA_OUTPUT); 875 snd_iprintf(buffer, " Amp-Out vals: "); 876 if (wid_type == AC_WID_PIN && 877 codec->pin_amp_workaround) 878 print_amp_vals(buffer, codec, nid, HDA_OUTPUT, 879 wid_caps, conn_len); 880 else 881 print_amp_vals(buffer, codec, nid, HDA_OUTPUT, 882 wid_caps, 1); 883 } 884 885 switch (wid_type) { 886 case AC_WID_PIN: { 887 int supports_vref; 888 print_pin_caps(buffer, codec, nid, &supports_vref); 889 print_pin_ctls(buffer, codec, nid, supports_vref); 890 break; 891 } 892 case AC_WID_VOL_KNB: 893 print_vol_knob(buffer, codec, nid); 894 break; 895 case AC_WID_AUD_OUT: 896 case AC_WID_AUD_IN: 897 print_audio_io(buffer, codec, nid, wid_type); 898 if (wid_caps & AC_WCAP_DIGITAL) 899 print_digital_conv(buffer, codec, nid); 900 if (wid_caps & AC_WCAP_FORMAT_OVRD) { 901 snd_iprintf(buffer, " PCM:\n"); 902 print_pcm_caps(buffer, codec, nid); 903 } 904 break; 905 } 906 907 if (wid_caps & AC_WCAP_UNSOL_CAP) 908 print_unsol_cap(buffer, codec, nid); 909 910 if (wid_caps & AC_WCAP_POWER) 911 print_power_state(buffer, codec, nid); 912 913 if (wid_caps & AC_WCAP_DELAY) 914 snd_iprintf(buffer, " Delay: %d samples\n", 915 (wid_caps & AC_WCAP_DELAY) >> 916 AC_WCAP_DELAY_SHIFT); 917 918 if (wid_type == AC_WID_PIN && codec->dp_mst) 919 print_device_list(buffer, codec, nid); 920 921 if (wid_caps & AC_WCAP_CONN_LIST) 922 print_conn_list(buffer, codec, nid, wid_type, 923 conn, conn_len); 924 925 if (wid_caps & AC_WCAP_PROC_WID) 926 print_proc_caps(buffer, codec, nid); 927 928 if (codec->proc_widget_hook) 929 codec->proc_widget_hook(buffer, codec, nid); 930 931 kfree(conn); 932 } 933} 934 935/* 936 * create a proc read 937 */ 938int snd_hda_codec_proc_new(struct hda_codec *codec) 939{ 940 char name[32]; 941 942 snprintf(name, sizeof(name), "codec#%d", codec->core.addr); 943 return snd_card_ro_proc_new(codec->card, name, codec, print_codec_info); 944} 945
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