sound/pci/hda/hda_proc.c

   1 /*
   2  * Universal Interface for Intel High Definition Audio Codec
   3  *
   4  * Generic proc interface
   5  *
   6  * Copyright (c) 2004 Takashi Iwai <tiwai@suse.de>
   7  *
   8  *
   9  *  This driver is free software; you can redistribute it and/or modify
  10  *  it under the terms of the GNU General Public License as published by
  11  *  the Free Software Foundation; either version 2 of the License, or
  12  *  (at your option) any later version.
  13  *
  14  *  This driver is distributed in the hope that it will be useful,
  15  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  16  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17  *  GNU General Public License for more details.
  18  *
  19  *  You should have received a copy of the GNU General Public License
  20  *  along with this program; if not, write to the Free Software
  21  *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
  22  */
  23
  24 #include <linux/init.h>
  25 #include <linux/slab.h>
  26 #include <sound/core.h>
  27 #include <linux/module.h>
  28 #include "hda_codec.h"
  29 #include "hda_local.h"
  30
  31 static int dump_coef = -1;
  32 module_param(dump_coef, int, 0644);
  33 MODULE_PARM_DESC(dump_coef, "Dump processing coefficients in codec proc file (-1=auto, 0=disable, 1=enable)");
  34
  35 static char *bits_names(unsigned int bits, char *names[], int size)
  36 {
  37         int i, n;
  38         static char buf[128];
  39
  40         for (i = 0, n = 0; i < size; i++) {
  41                 if (bits & (1U<<i) && names[i])
  42                         n += snprintf(buf + n, sizeof(buf) - n, " %s",
  43                                       names[i]);
  44         }
  45         buf[n] = '\0';
  46
  47         return buf;
  48 }
  49
  50 static const char *get_wid_type_name(unsigned int wid_value)
  51 {
  52         static char *names[16] = {
  53                 [AC_WID_AUD_OUT] = "Audio Output",
  54                 [AC_WID_AUD_IN] = "Audio Input",
  55                 [AC_WID_AUD_MIX] = "Audio Mixer",
  56                 [AC_WID_AUD_SEL] = "Audio Selector",
  57                 [AC_WID_PIN] = "Pin Complex",
  58                 [AC_WID_POWER] = "Power Widget",
  59                 [AC_WID_VOL_KNB] = "Volume Knob Widget",
  60                 [AC_WID_BEEP] = "Beep Generator Widget",
  61                 [AC_WID_VENDOR] = "Vendor Defined Widget",
  62         };
  63         if (wid_value == -1)
  64                 return "UNKNOWN Widget";
  65         wid_value &= 0xf;
  66         if (names[wid_value])
  67                 return names[wid_value];
  68         else
  69                 return "UNKNOWN Widget";
  70 }
  71
  72 static void print_nid_array(struct snd_info_buffer *buffer,
  73                             struct hda_codec *codec, hda_nid_t nid,
  74                             struct snd_array *array)
  75 {
  76         int i;
  77         struct hda_nid_item *items = array->list, *item;
  78         struct snd_kcontrol *kctl;
  79         for (i = 0; i < array->used; i++) {
  80                 item = &items[i];
  81                 if (item->nid == nid) {
  82                         kctl = item->kctl;
  83                         snd_iprintf(buffer,
  84                           "  Control: name=\"%s\", index=%i, device=%i\n",
  85                           kctl->id.name, kctl->id.index + item->index,
  86                           kctl->id.device);
  87                         if (item->flags & HDA_NID_ITEM_AMP)
  88                                 snd_iprintf(buffer,
  89                                   "    ControlAmp: chs=%lu, dir=%s, "
  90                                   "idx=%lu, ofs=%lu\n",
  91                                   get_amp_channels(kctl),
  92                                   get_amp_direction(kctl) ? "Out" : "In",
  93                                   get_amp_index(kctl),
  94                                   get_amp_offset(kctl));
  95                 }
  96         }
  97 }
  98
  99 static void print_nid_pcms(struct snd_info_buffer *buffer,
 100                            struct hda_codec *codec, hda_nid_t nid)
 101 {
 102         int pcm, type;
 103         struct hda_pcm *cpcm;
 104         for (pcm = 0; pcm < codec->num_pcms; pcm++) {
 105                 cpcm = &codec->pcm_info[pcm];
 106                 for (type = 0; type < 2; type++) {
 107                         if (cpcm->stream[type].nid != nid || cpcm->pcm == NULL)
 108                                 continue;
 109                         snd_iprintf(buffer, "  Device: name=\"%s\", "
 110                                     "type=\"%s\", device=%i\n",
 111                                     cpcm->name,
 112                                     snd_hda_pcm_type_name[cpcm->pcm_type],
 113                                     cpcm->pcm->device);
 114                 }
 115         }
 116 }
 117
 118 static void print_amp_caps(struct snd_info_buffer *buffer,
 119                            struct hda_codec *codec, hda_nid_t nid, int dir)
 120 {
 121         unsigned int caps;
 122         caps = snd_hda_param_read(codec, nid,
 123                                   dir == HDA_OUTPUT ?
 124                                     AC_PAR_AMP_OUT_CAP : AC_PAR_AMP_IN_CAP);
 125         if (caps == -1 || caps == 0) {
 126                 snd_iprintf(buffer, "N/A\n");
 127                 return;
 128         }
 129         snd_iprintf(buffer, "ofs=0x%02x, nsteps=0x%02x, stepsize=0x%02x, "
 130                     "mute=%x\n",
 131                     caps & AC_AMPCAP_OFFSET,
 132                     (caps & AC_AMPCAP_NUM_STEPS) >> AC_AMPCAP_NUM_STEPS_SHIFT,
 133                     (caps & AC_AMPCAP_STEP_SIZE) >> AC_AMPCAP_STEP_SIZE_SHIFT,
 134                     (caps & AC_AMPCAP_MUTE) >> AC_AMPCAP_MUTE_SHIFT);
 135 }
 136
 137 static void print_amp_vals(struct snd_info_buffer *buffer,
 138                            struct hda_codec *codec, hda_nid_t nid,
 139                            int dir, int stereo, int indices)
 140 {
 141         unsigned int val;
 142         int i;
 143
 144         dir = dir == HDA_OUTPUT ? AC_AMP_GET_OUTPUT : AC_AMP_GET_INPUT;
 145         for (i = 0; i < indices; i++) {
 146                 snd_iprintf(buffer, " [");
 147                 val = snd_hda_codec_read(codec, nid, 0,
 148                                          AC_VERB_GET_AMP_GAIN_MUTE,
 149                                          AC_AMP_GET_LEFT | dir | i);
 150                 snd_iprintf(buffer, "0x%02x", val);
 151                 if (stereo) {
 152                         val = snd_hda_codec_read(codec, nid, 0,
 153                                                  AC_VERB_GET_AMP_GAIN_MUTE,
 154                                                  AC_AMP_GET_RIGHT | dir | i);
 155                         snd_iprintf(buffer, " 0x%02x", val);
 156                 }
 157                 snd_iprintf(buffer, "]");
 158         }
 159         snd_iprintf(buffer, "\n");
 160 }
 161
 162 static void print_pcm_rates(struct snd_info_buffer *buffer, unsigned int pcm)
 163 {
 164         static unsigned int rates[] = {
 165                 8000, 11025, 16000, 22050, 32000, 44100, 48000, 88200,
 166                 96000, 176400, 192000, 384000
 167         };
 168         int i;
 169
 170         pcm &= AC_SUPPCM_RATES;
 171         snd_iprintf(buffer, "    rates [0x%x]:", pcm);
 172         for (i = 0; i < ARRAY_SIZE(rates); i++)
 173                 if (pcm & (1 << i))
 174                         snd_iprintf(buffer,  " %d", rates[i]);
 175         snd_iprintf(buffer, "\n");
 176 }
 177
 178 static void print_pcm_bits(struct snd_info_buffer *buffer, unsigned int pcm)
 179 {
 180         char buf[SND_PRINT_BITS_ADVISED_BUFSIZE];
 181
 182         snd_iprintf(buffer, "    bits [0x%x]:", (pcm >> 16) & 0xff);
 183         snd_print_pcm_bits(pcm, buf, sizeof(buf));
 184         snd_iprintf(buffer, "%s\n", buf);
 185 }
 186
 187 static void print_pcm_formats(struct snd_info_buffer *buffer,
 188                               unsigned int streams)
 189 {
 190         snd_iprintf(buffer, "    formats [0x%x]:", streams & 0xf);
 191         if (streams & AC_SUPFMT_PCM)
 192                 snd_iprintf(buffer, " PCM");
 193         if (streams & AC_SUPFMT_FLOAT32)
 194                 snd_iprintf(buffer, " FLOAT");
 195         if (streams & AC_SUPFMT_AC3)
 196                 snd_iprintf(buffer, " AC3");
 197         snd_iprintf(buffer, "\n");
 198 }
 199
 200 static void print_pcm_caps(struct snd_info_buffer *buffer,
 201                            struct hda_codec *codec, hda_nid_t nid)
 202 {
 203         unsigned int pcm = snd_hda_param_read(codec, nid, AC_PAR_PCM);
 204         unsigned int stream = snd_hda_param_read(codec, nid, AC_PAR_STREAM);
 205         if (pcm == -1 || stream == -1) {
 206                 snd_iprintf(buffer, "N/A\n");
 207                 return;
 208         }
 209         print_pcm_rates(buffer, pcm);
 210         print_pcm_bits(buffer, pcm);
 211         print_pcm_formats(buffer, stream);
 212 }
 213
 214 static const char *get_jack_connection(u32 cfg)
 215 {
 216         static char *names[16] = {
 217                 "Unknown", "1/8", "1/4", "ATAPI",
 218                 "RCA", "Optical","Digital", "Analog",
 219                 "DIN", "XLR", "RJ11", "Comb",
 220                 NULL, NULL, NULL, "Other"
 221         };
 222         cfg = (cfg & AC_DEFCFG_CONN_TYPE) >> AC_DEFCFG_CONN_TYPE_SHIFT;
 223         if (names[cfg])
 224                 return names[cfg];
 225         else
 226                 return "UNKNOWN";
 227 }
 228
 229 static const char *get_jack_color(u32 cfg)
 230 {
 231         static char *names[16] = {
 232                 "Unknown", "Black", "Grey", "Blue",
 233                 "Green", "Red", "Orange", "Yellow",
 234                 "Purple", "Pink", NULL, NULL,
 235                 NULL, NULL, "White", "Other",
 236         };
 237         cfg = (cfg & AC_DEFCFG_COLOR) >> AC_DEFCFG_COLOR_SHIFT;
 238         if (names[cfg])
 239                 return names[cfg];
 240         else
 241                 return "UNKNOWN";
 242 }
 243
 244 static void print_pin_caps(struct snd_info_buffer *buffer,
 245                            struct hda_codec *codec, hda_nid_t nid,
 246                            int *supports_vref)
 247 {
 248         static char *jack_conns[4] = { "Jack", "N/A", "Fixed", "Both" };
 249         unsigned int caps, val;
 250
 251         caps = snd_hda_param_read(codec, nid, AC_PAR_PIN_CAP);
 252         snd_iprintf(buffer, "  Pincap 0x%08x:", caps);
 253         if (caps & AC_PINCAP_IN)
 254                 snd_iprintf(buffer, " IN");
 255         if (caps & AC_PINCAP_OUT)
 256                 snd_iprintf(buffer, " OUT");
 257         if (caps & AC_PINCAP_HP_DRV)
 258                 snd_iprintf(buffer, " HP");
 259         if (caps & AC_PINCAP_EAPD)
 260                 snd_iprintf(buffer, " EAPD");
 261         if (caps & AC_PINCAP_PRES_DETECT)
 262                 snd_iprintf(buffer, " Detect");
 263         if (caps & AC_PINCAP_BALANCE)
 264                 snd_iprintf(buffer, " Balanced");
 265         if (caps & AC_PINCAP_HDMI) {
 266                 /* Realtek uses this bit as a different meaning */
 267                 if ((codec->vendor_id >> 16) == 0x10ec)
 268                         snd_iprintf(buffer, " R/L");
 269                 else {
 270                         if (caps & AC_PINCAP_HBR)
 271                                 snd_iprintf(buffer, " HBR");
 272                         snd_iprintf(buffer, " HDMI");
 273                 }
 274         }
 275         if (caps & AC_PINCAP_DP)
 276                 snd_iprintf(buffer, " DP");
 277         if (caps & AC_PINCAP_TRIG_REQ)
 278                 snd_iprintf(buffer, " Trigger");
 279         if (caps & AC_PINCAP_IMP_SENSE)
 280                 snd_iprintf(buffer, " ImpSense");
 281         snd_iprintf(buffer, "\n");
 282         if (caps & AC_PINCAP_VREF) {
 283                 unsigned int vref =
 284                         (caps & AC_PINCAP_VREF) >> AC_PINCAP_VREF_SHIFT;
 285                 snd_iprintf(buffer, "    Vref caps:");
 286                 if (vref & AC_PINCAP_VREF_HIZ)
 287                         snd_iprintf(buffer, " HIZ");
 288                 if (vref & AC_PINCAP_VREF_50)
 289                         snd_iprintf(buffer, " 50");
 290                 if (vref & AC_PINCAP_VREF_GRD)
 291                         snd_iprintf(buffer, " GRD");
 292                 if (vref & AC_PINCAP_VREF_80)
 293                         snd_iprintf(buffer, " 80");
 294                 if (vref & AC_PINCAP_VREF_100)
 295                         snd_iprintf(buffer, " 100");
 296                 snd_iprintf(buffer, "\n");
 297                 *supports_vref = 1;
 298         } else
 299                 *supports_vref = 0;
 300         if (caps & AC_PINCAP_EAPD) {
 301                 val = snd_hda_codec_read(codec, nid, 0,
 302                                          AC_VERB_GET_EAPD_BTLENABLE, 0);
 303                 snd_iprintf(buffer, "  EAPD 0x%x:", val);
 304                 if (val & AC_EAPDBTL_BALANCED)
 305                         snd_iprintf(buffer, " BALANCED");
 306                 if (val & AC_EAPDBTL_EAPD)
 307                         snd_iprintf(buffer, " EAPD");
 308                 if (val & AC_EAPDBTL_LR_SWAP)
 309                         snd_iprintf(buffer, " R/L");
 310                 snd_iprintf(buffer, "\n");
 311         }
 312         caps = snd_hda_codec_read(codec, nid, 0, AC_VERB_GET_CONFIG_DEFAULT, 0);
 313         snd_iprintf(buffer, "  Pin Default 0x%08x: [%s] %s at %s %s\n", caps,
 314                     jack_conns[(caps & AC_DEFCFG_PORT_CONN) >> AC_DEFCFG_PORT_CONN_SHIFT],
 315                     snd_hda_get_jack_type(caps),
 316                     snd_hda_get_jack_connectivity(caps),
 317                     snd_hda_get_jack_location(caps));
 318         snd_iprintf(buffer, "    Conn = %s, Color = %s\n",
 319                     get_jack_connection(caps),
 320                     get_jack_color(caps));
 321         /* Default association and sequence values refer to default grouping
 322          * of pin complexes and their sequence within the group. This is used
 323          * for priority and resource allocation.
 324          */
 325         snd_iprintf(buffer, "    DefAssociation = 0x%x, Sequence = 0x%x\n",
 326                     (caps & AC_DEFCFG_DEF_ASSOC) >> AC_DEFCFG_ASSOC_SHIFT,
 327                     caps & AC_DEFCFG_SEQUENCE);
 328         if (((caps & AC_DEFCFG_MISC) >> AC_DEFCFG_MISC_SHIFT) &
 329             AC_DEFCFG_MISC_NO_PRESENCE) {
 330                 /* Miscellaneous bit indicates external hardware does not
 331                  * support presence detection even if the pin complex
 332                  * indicates it is supported.
 333                  */
 334                 snd_iprintf(buffer, "    Misc = NO_PRESENCE\n");
 335         }
 336 }
 337
 338 static void print_pin_ctls(struct snd_info_buffer *buffer,
 339                            struct hda_codec *codec, hda_nid_t nid,
 340                            int supports_vref)
 341 {
 342         unsigned int pinctls;
 343
 344         pinctls = snd_hda_codec_read(codec, nid, 0,
 345                                      AC_VERB_GET_PIN_WIDGET_CONTROL, 0);
 346         snd_iprintf(buffer, "  Pin-ctls: 0x%02x:", pinctls);
 347         if (pinctls & AC_PINCTL_IN_EN)
 348                 snd_iprintf(buffer, " IN");
 349         if (pinctls & AC_PINCTL_OUT_EN)
 350                 snd_iprintf(buffer, " OUT");
 351         if (pinctls & AC_PINCTL_HP_EN)
 352                 snd_iprintf(buffer, " HP");
 353         if (supports_vref) {
 354                 int vref = pinctls & AC_PINCTL_VREFEN;
 355                 switch (vref) {
 356                 case AC_PINCTL_VREF_HIZ:
 357                         snd_iprintf(buffer, " VREF_HIZ");
 358                         break;
 359                 case AC_PINCTL_VREF_50:
 360                         snd_iprintf(buffer, " VREF_50");
 361                         break;
 362                 case AC_PINCTL_VREF_GRD:
 363                         snd_iprintf(buffer, " VREF_GRD");
 364                         break;
 365                 case AC_PINCTL_VREF_80:
 366                         snd_iprintf(buffer, " VREF_80");
 367                         break;
 368                 case AC_PINCTL_VREF_100:
 369                         snd_iprintf(buffer, " VREF_100");
 370                         break;
 371                 }
 372         }
 373         snd_iprintf(buffer, "\n");
 374 }
 375
 376 static void print_vol_knob(struct snd_info_buffer *buffer,
 377                            struct hda_codec *codec, hda_nid_t nid)
 378 {
 379         unsigned int cap = snd_hda_param_read(codec, nid,
 380                                               AC_PAR_VOL_KNB_CAP);
 381         snd_iprintf(buffer, "  Volume-Knob: delta=%d, steps=%d, ",
 382                     (cap >> 7) & 1, cap & 0x7f);
 383         cap = snd_hda_codec_read(codec, nid, 0,
 384                                  AC_VERB_GET_VOLUME_KNOB_CONTROL, 0);
 385         snd_iprintf(buffer, "direct=%d, val=%d\n",
 386                     (cap >> 7) & 1, cap & 0x7f);
 387 }
 388
 389 static void print_audio_io(struct snd_info_buffer *buffer,
 390                            struct hda_codec *codec, hda_nid_t nid,
 391                            unsigned int wid_type)
 392 {
 393         int conv = snd_hda_codec_read(codec, nid, 0, AC_VERB_GET_CONV, 0);
 394         snd_iprintf(buffer,
 395                     "  Converter: stream=%d, channel=%d\n",
 396                     (conv & AC_CONV_STREAM) >> AC_CONV_STREAM_SHIFT,
 397                     conv & AC_CONV_CHANNEL);
 398
 399         if (wid_type == AC_WID_AUD_IN && (conv & AC_CONV_CHANNEL) == 0) {
 400                 int sdi = snd_hda_codec_read(codec, nid, 0,
 401                                              AC_VERB_GET_SDI_SELECT, 0);
 402                 snd_iprintf(buffer, "  SDI-Select: %d\n",
 403                             sdi & AC_SDI_SELECT);
 404         }
 405 }
 406
 407 static void print_digital_conv(struct snd_info_buffer *buffer,
 408                                struct hda_codec *codec, hda_nid_t nid)
 409 {
 410         unsigned int digi1 = snd_hda_codec_read(codec, nid, 0,
 411                                                 AC_VERB_GET_DIGI_CONVERT_1, 0);
 412         unsigned char digi2 = digi1 >> 8;
 413         unsigned char digi3 = digi1 >> 16;
 414
 415         snd_iprintf(buffer, "  Digital:");
 416         if (digi1 & AC_DIG1_ENABLE)
 417                 snd_iprintf(buffer, " Enabled");
 418         if (digi1 & AC_DIG1_V)
 419                 snd_iprintf(buffer, " Validity");
 420         if (digi1 & AC_DIG1_VCFG)
 421                 snd_iprintf(buffer, " ValidityCfg");
 422         if (digi1 & AC_DIG1_EMPHASIS)
 423                 snd_iprintf(buffer, " Preemphasis");
 424         if (digi1 & AC_DIG1_COPYRIGHT)
 425                 snd_iprintf(buffer, " Non-Copyright");
 426         if (digi1 & AC_DIG1_NONAUDIO)
 427                 snd_iprintf(buffer, " Non-Audio");
 428         if (digi1 & AC_DIG1_PROFESSIONAL)
 429                 snd_iprintf(buffer, " Pro");
 430         if (digi1 & AC_DIG1_LEVEL)
 431                 snd_iprintf(buffer, " GenLevel");
 432         if (digi3 & AC_DIG3_KAE)
 433                 snd_iprintf(buffer, " KAE");
 434         snd_iprintf(buffer, "\n");
 435         snd_iprintf(buffer, "  Digital category: 0x%x\n",
 436                     digi2 & AC_DIG2_CC);
 437         snd_iprintf(buffer, "  IEC Coding Type: 0x%x\n",
 438                         digi3 & AC_DIG3_ICT);
 439 }
 440
 441 static const char *get_pwr_state(u32 state)
 442 {
 443         static const char * const buf[] = {
 444                 "D0", "D1", "D2", "D3", "D3cold"
 445         };
 446         if (state < ARRAY_SIZE(buf))
 447                 return buf[state];
 448         return "UNKNOWN";
 449 }
 450
 451 static void print_power_state(struct snd_info_buffer *buffer,
 452                               struct hda_codec *codec, hda_nid_t nid)
 453 {
 454         static char *names[] = {
 455                 [ilog2(AC_PWRST_D0SUP)]         = "D0",
 456                 [ilog2(AC_PWRST_D1SUP)]         = "D1",
 457                 [ilog2(AC_PWRST_D2SUP)]         = "D2",
 458                 [ilog2(AC_PWRST_D3SUP)]         = "D3",
 459                 [ilog2(AC_PWRST_D3COLDSUP)]     = "D3cold",
 460                 [ilog2(AC_PWRST_S3D3COLDSUP)]   = "S3D3cold",
 461                 [ilog2(AC_PWRST_CLKSTOP)]       = "CLKSTOP",
 462                 [ilog2(AC_PWRST_EPSS)]          = "EPSS",
 463         };
 464
 465         int sup = snd_hda_param_read(codec, nid, AC_PAR_POWER_STATE);
 466         int pwr = snd_hda_codec_read(codec, nid, 0,
 467                                      AC_VERB_GET_POWER_STATE, 0);
 468         if (sup != -1)
 469                 snd_iprintf(buffer, "  Power states: %s\n",
 470                             bits_names(sup, names, ARRAY_SIZE(names)));
 471
 472         snd_iprintf(buffer, "  Power: setting=%s, actual=%s",
 473                     get_pwr_state(pwr & AC_PWRST_SETTING),
 474                     get_pwr_state((pwr & AC_PWRST_ACTUAL) >>
 475                                   AC_PWRST_ACTUAL_SHIFT));
 476         if (pwr & AC_PWRST_ERROR)
 477                 snd_iprintf(buffer, ", Error");
 478         if (pwr & AC_PWRST_CLK_STOP_OK)
 479                 snd_iprintf(buffer, ", Clock-stop-OK");
 480         if (pwr & AC_PWRST_SETTING_RESET)
 481                 snd_iprintf(buffer, ", Setting-reset");
 482         snd_iprintf(buffer, "\n");
 483 }
 484
 485 static void print_unsol_cap(struct snd_info_buffer *buffer,
 486                               struct hda_codec *codec, hda_nid_t nid)
 487 {
 488         int unsol = snd_hda_codec_read(codec, nid, 0,
 489                                        AC_VERB_GET_UNSOLICITED_RESPONSE, 0);
 490         snd_iprintf(buffer,
 491                     "  Unsolicited: tag=%02x, enabled=%d\n",
 492                     unsol & AC_UNSOL_TAG,
 493                     (unsol & AC_UNSOL_ENABLED) ? 1 : 0);
 494 }
 495
 496 static inline bool can_dump_coef(struct hda_codec *codec)
 497 {
 498         switch (dump_coef) {
 499         case 0: return false;
 500         case 1: return true;
 501         default: return codec->dump_coef;
 502         }
 503 }
 504
 505 static void print_proc_caps(struct snd_info_buffer *buffer,
 506                             struct hda_codec *codec, hda_nid_t nid)
 507 {
 508         unsigned int i, ncoeff, oldindex;
 509         unsigned int proc_caps = snd_hda_param_read(codec, nid,
 510                                                     AC_PAR_PROC_CAP);
 511         ncoeff = (proc_caps & AC_PCAP_NUM_COEF) >> AC_PCAP_NUM_COEF_SHIFT;
 512         snd_iprintf(buffer, "  Processing caps: benign=%d, ncoeff=%d\n",
 513                     proc_caps & AC_PCAP_BENIGN, ncoeff);
 514
 515         if (!can_dump_coef(codec))
 516                 return;
 517
 518         /* Note: This is racy - another process could run in parallel and change
 519            the coef index too. */
 520         oldindex = snd_hda_codec_read(codec, nid, 0, AC_VERB_GET_COEF_INDEX, 0);
 521         for (i = 0; i < ncoeff; i++) {
 522                 unsigned int val;
 523                 snd_hda_codec_write(codec, nid, 0, AC_VERB_SET_COEF_INDEX, i);
 524                 val = snd_hda_codec_read(codec, nid, 0, AC_VERB_GET_PROC_COEF,
 525                                          0);
 526                 snd_iprintf(buffer, "    Coeff 0x%02x: 0x%04x\n", i, val);
 527         }
 528         snd_hda_codec_write(codec, nid, 0, AC_VERB_SET_COEF_INDEX, oldindex);
 529 }
 530
 531 static void print_conn_list(struct snd_info_buffer *buffer,
 532                             struct hda_codec *codec, hda_nid_t nid,
 533                             unsigned int wid_type, hda_nid_t *conn,
 534                             int conn_len)
 535 {
 536         int c, curr = -1;
 537         const hda_nid_t *list;
 538         int cache_len;
 539
 540         if (conn_len > 1 &&
 541             wid_type != AC_WID_AUD_MIX &&
 542             wid_type != AC_WID_VOL_KNB &&
 543             wid_type != AC_WID_POWER)
 544                 curr = snd_hda_codec_read(codec, nid, 0,
 545                                           AC_VERB_GET_CONNECT_SEL, 0);
 546         snd_iprintf(buffer, "  Connection: %d\n", conn_len);
 547         if (conn_len > 0) {
 548                 snd_iprintf(buffer, "    ");
 549                 for (c = 0; c < conn_len; c++) {
 550                         snd_iprintf(buffer, " 0x%02x", conn[c]);
 551                         if (c == curr)
 552                                 snd_iprintf(buffer, "*");
 553                 }
 554                 snd_iprintf(buffer, "\n");
 555         }
 556
 557         /* Get Cache connections info */
 558         cache_len = snd_hda_get_conn_list(codec, nid, &list);
 559         if (cache_len != conn_len
 560                         || memcmp(list, conn, conn_len)) {
 561                 snd_iprintf(buffer, "  In-driver Connection: %d\n", cache_len);
 562                 if (cache_len > 0) {
 563                         snd_iprintf(buffer, "    ");
 564                         for (c = 0; c < cache_len; c++)
 565                                 snd_iprintf(buffer, " 0x%02x", list[c]);
 566                         snd_iprintf(buffer, "\n");
 567                 }
 568         }
 569 }
 570
 571 static void print_gpio(struct snd_info_buffer *buffer,
 572                        struct hda_codec *codec, hda_nid_t nid)
 573 {
 574         unsigned int gpio =
 575                 snd_hda_param_read(codec, codec->afg, AC_PAR_GPIO_CAP);
 576         unsigned int enable, direction, wake, unsol, sticky, data;
 577         int i, max;
 578         snd_iprintf(buffer, "GPIO: io=%d, o=%d, i=%d, "
 579                     "unsolicited=%d, wake=%d\n",
 580                     gpio & AC_GPIO_IO_COUNT,
 581                     (gpio & AC_GPIO_O_COUNT) >> AC_GPIO_O_COUNT_SHIFT,
 582                     (gpio & AC_GPIO_I_COUNT) >> AC_GPIO_I_COUNT_SHIFT,
 583                     (gpio & AC_GPIO_UNSOLICITED) ? 1 : 0,
 584                     (gpio & AC_GPIO_WAKE) ? 1 : 0);
 585         max = gpio & AC_GPIO_IO_COUNT;
 586         if (!max || max > 8)
 587                 return;
 588         enable = snd_hda_codec_read(codec, nid, 0,
 589                                     AC_VERB_GET_GPIO_MASK, 0);
 590         direction = snd_hda_codec_read(codec, nid, 0,
 591                                        AC_VERB_GET_GPIO_DIRECTION, 0);
 592         wake = snd_hda_codec_read(codec, nid, 0,
 593                                   AC_VERB_GET_GPIO_WAKE_MASK, 0);
 594         unsol  = snd_hda_codec_read(codec, nid, 0,
 595                                     AC_VERB_GET_GPIO_UNSOLICITED_RSP_MASK, 0);
 596         sticky = snd_hda_codec_read(codec, nid, 0,
 597                                     AC_VERB_GET_GPIO_STICKY_MASK, 0);
 598         data = snd_hda_codec_read(codec, nid, 0,
 599                                   AC_VERB_GET_GPIO_DATA, 0);
 600         for (i = 0; i < max; ++i)
 601                 snd_iprintf(buffer,
 602                             "  IO[%d]: enable=%d, dir=%d, wake=%d, "
 603                             "sticky=%d, data=%d, unsol=%d\n", i,
 604                             (enable & (1<<i)) ? 1 : 0,
 605                             (direction & (1<<i)) ? 1 : 0,
 606                             (wake & (1<<i)) ? 1 : 0,
 607                             (sticky & (1<<i)) ? 1 : 0,
 608                             (data & (1<<i)) ? 1 : 0,
 609                             (unsol & (1<<i)) ? 1 : 0);
 610         /* FIXME: add GPO and GPI pin information */
 611         print_nid_array(buffer, codec, nid, &codec->mixers);
 612         print_nid_array(buffer, codec, nid, &codec->nids);
 613 }
 614
 615 static void print_device_list(struct snd_info_buffer *buffer,
 616                             struct hda_codec *codec, hda_nid_t nid)
 617 {
 618         int i, curr = -1;
 619         u8 dev_list[AC_MAX_DEV_LIST_LEN];
 620         int devlist_len;
 621
 622         devlist_len = snd_hda_get_devices(codec, nid, dev_list,
 623                                         AC_MAX_DEV_LIST_LEN);
 624         snd_iprintf(buffer, "  Devices: %d\n", devlist_len);
 625         if (devlist_len <= 0)
 626                 return;
 627
 628         curr = snd_hda_codec_read(codec, nid, 0,
 629                                 AC_VERB_GET_DEVICE_SEL, 0);
 630
 631         for (i = 0; i < devlist_len; i++) {
 632                 if (i == curr)
 633                         snd_iprintf(buffer, "    *");
 634                 else
 635                         snd_iprintf(buffer, "     ");
 636
 637                 snd_iprintf(buffer,
 638                         "Dev %02d: PD = %d, ELDV = %d, IA = %d\n", i,
 639                         !!(dev_list[i] & AC_DE_PD),
 640                         !!(dev_list[i] & AC_DE_ELDV),
 641                         !!(dev_list[i] & AC_DE_IA));
 642         }
 643 }
 644
 645 static void print_codec_info(struct snd_info_entry *entry,
 646                              struct snd_info_buffer *buffer)
 647 {
 648         struct hda_codec *codec = entry->private_data;
 649         hda_nid_t nid;
 650         int i, nodes;
 651
 652         snd_iprintf(buffer, "Codec: ");
 653         if (codec->vendor_name && codec->chip_name)
 654                 snd_iprintf(buffer, "%s %s\n",
 655                             codec->vendor_name, codec->chip_name);
 656         else
 657                 snd_iprintf(buffer, "Not Set\n");
 658         snd_iprintf(buffer, "Address: %d\n", codec->addr);
 659         if (codec->afg)
 660                 snd_iprintf(buffer, "AFG Function Id: 0x%x (unsol %u)\n",
 661                         codec->afg_function_id, codec->afg_unsol);
 662         if (codec->mfg)
 663                 snd_iprintf(buffer, "MFG Function Id: 0x%x (unsol %u)\n",
 664                         codec->mfg_function_id, codec->mfg_unsol);
 665         snd_iprintf(buffer, "Vendor Id: 0x%08x\n", codec->vendor_id);
 666         snd_iprintf(buffer, "Subsystem Id: 0x%08x\n", codec->subsystem_id);
 667         snd_iprintf(buffer, "Revision Id: 0x%x\n", codec->revision_id);
 668
 669         if (codec->mfg)
 670                 snd_iprintf(buffer, "Modem Function Group: 0x%x\n", codec->mfg);
 671         else
 672                 snd_iprintf(buffer, "No Modem Function Group found\n");
 673
 674         if (! codec->afg)
 675                 return;
 676         snd_hda_power_up(codec);
 677         snd_iprintf(buffer, "Default PCM:\n");
 678         print_pcm_caps(buffer, codec, codec->afg);
 679         snd_iprintf(buffer, "Default Amp-In caps: ");
 680         print_amp_caps(buffer, codec, codec->afg, HDA_INPUT);
 681         snd_iprintf(buffer, "Default Amp-Out caps: ");
 682         print_amp_caps(buffer, codec, codec->afg, HDA_OUTPUT);
 683         snd_iprintf(buffer, "State of AFG node 0x%02x:\n", codec->afg);
 684         print_power_state(buffer, codec, codec->afg);
 685
 686         nodes = snd_hda_get_sub_nodes(codec, codec->afg, &nid);
 687         if (! nid || nodes < 0) {
 688                 snd_iprintf(buffer, "Invalid AFG subtree\n");
 689                 snd_hda_power_down(codec);
 690                 return;
 691         }
 692
 693         print_gpio(buffer, codec, codec->afg);
 694         if (codec->proc_widget_hook)
 695                 codec->proc_widget_hook(buffer, codec, codec->afg);
 696
 697         for (i = 0; i < nodes; i++, nid++) {
 698                 unsigned int wid_caps =
 699                         snd_hda_param_read(codec, nid,
 700                                            AC_PAR_AUDIO_WIDGET_CAP);
 701                 unsigned int wid_type = get_wcaps_type(wid_caps);
 702                 hda_nid_t *conn = NULL;
 703                 int conn_len = 0;
 704
 705                 snd_iprintf(buffer, "Node 0x%02x [%s] wcaps 0x%x:", nid,
 706                             get_wid_type_name(wid_type), wid_caps);
 707                 if (wid_caps & AC_WCAP_STEREO) {
 708                         unsigned int chans = get_wcaps_channels(wid_caps);
 709                         if (chans == 2)
 710                                 snd_iprintf(buffer, " Stereo");
 711                         else
 712                                 snd_iprintf(buffer, " %d-Channels", chans);
 713                 } else
 714                         snd_iprintf(buffer, " Mono");
 715                 if (wid_caps & AC_WCAP_DIGITAL)
 716                         snd_iprintf(buffer, " Digital");
 717                 if (wid_caps & AC_WCAP_IN_AMP)
 718                         snd_iprintf(buffer, " Amp-In");
 719                 if (wid_caps & AC_WCAP_OUT_AMP)
 720                         snd_iprintf(buffer, " Amp-Out");
 721                 if (wid_caps & AC_WCAP_STRIPE)
 722                         snd_iprintf(buffer, " Stripe");
 723                 if (wid_caps & AC_WCAP_LR_SWAP)
 724                         snd_iprintf(buffer, " R/L");
 725                 if (wid_caps & AC_WCAP_CP_CAPS)
 726                         snd_iprintf(buffer, " CP");
 727                 snd_iprintf(buffer, "\n");
 728
 729                 print_nid_array(buffer, codec, nid, &codec->mixers);
 730                 print_nid_array(buffer, codec, nid, &codec->nids);
 731                 print_nid_pcms(buffer, codec, nid);
 732
 733                 /* volume knob is a special widget that always have connection
 734                  * list
 735                  */
 736                 if (wid_type == AC_WID_VOL_KNB)
 737                         wid_caps |= AC_WCAP_CONN_LIST;
 738
 739                 if (wid_caps & AC_WCAP_CONN_LIST) {
 740                         conn_len = snd_hda_get_num_raw_conns(codec, nid);
 741                         if (conn_len > 0) {
 742                                 conn = kmalloc(sizeof(hda_nid_t) * conn_len,
 743                                                GFP_KERNEL);
 744                                 if (!conn)
 745                                         return;
 746                                 if (snd_hda_get_raw_connections(codec, nid, conn,
 747                                                                 conn_len) < 0)
 748                                         conn_len = 0;
 749                         }
 750                 }
 751
 752                 if (wid_caps & AC_WCAP_IN_AMP) {
 753                         snd_iprintf(buffer, "  Amp-In caps: ");
 754                         print_amp_caps(buffer, codec, nid, HDA_INPUT);
 755                         snd_iprintf(buffer, "  Amp-In vals: ");
 756                         if (wid_type == AC_WID_PIN ||
 757                             (codec->single_adc_amp &&
 758                              wid_type == AC_WID_AUD_IN))
 759                                 print_amp_vals(buffer, codec, nid, HDA_INPUT,
 760                                                wid_caps & AC_WCAP_STEREO,
 761                                                1);
 762                         else
 763                                 print_amp_vals(buffer, codec, nid, HDA_INPUT,
 764                                                wid_caps & AC_WCAP_STEREO,
 765                                                conn_len);
 766                 }
 767                 if (wid_caps & AC_WCAP_OUT_AMP) {
 768                         snd_iprintf(buffer, "  Amp-Out caps: ");
 769                         print_amp_caps(buffer, codec, nid, HDA_OUTPUT);
 770                         snd_iprintf(buffer, "  Amp-Out vals: ");
 771                         if (wid_type == AC_WID_PIN &&
 772                             codec->pin_amp_workaround)
 773                                 print_amp_vals(buffer, codec, nid, HDA_OUTPUT,
 774                                                wid_caps & AC_WCAP_STEREO,
 775                                                conn_len);
 776                         else
 777                                 print_amp_vals(buffer, codec, nid, HDA_OUTPUT,
 778                                                wid_caps & AC_WCAP_STEREO, 1);
 779                 }
 780
 781                 switch (wid_type) {
 782                 case AC_WID_PIN: {
 783                         int supports_vref;
 784                         print_pin_caps(buffer, codec, nid, &supports_vref);
 785                         print_pin_ctls(buffer, codec, nid, supports_vref);
 786                         break;
 787                 }
 788                 case AC_WID_VOL_KNB:
 789                         print_vol_knob(buffer, codec, nid);
 790                         break;
 791                 case AC_WID_AUD_OUT:
 792                 case AC_WID_AUD_IN:
 793                         print_audio_io(buffer, codec, nid, wid_type);
 794                         if (wid_caps & AC_WCAP_DIGITAL)
 795                                 print_digital_conv(buffer, codec, nid);
 796                         if (wid_caps & AC_WCAP_FORMAT_OVRD) {
 797                                 snd_iprintf(buffer, "  PCM:\n");
 798                                 print_pcm_caps(buffer, codec, nid);
 799                         }
 800                         break;
 801                 }
 802
 803                 if (wid_caps & AC_WCAP_UNSOL_CAP)
 804                         print_unsol_cap(buffer, codec, nid);
 805
 806                 if (wid_caps & AC_WCAP_POWER)
 807                         print_power_state(buffer, codec, nid);
 808
 809                 if (wid_caps & AC_WCAP_DELAY)
 810                         snd_iprintf(buffer, "  Delay: %d samples\n",
 811                                     (wid_caps & AC_WCAP_DELAY) >>
 812                                     AC_WCAP_DELAY_SHIFT);
 813
 814                 if (wid_type == AC_WID_PIN && codec->dp_mst)
 815                         print_device_list(buffer, codec, nid);
 816
 817                 if (wid_caps & AC_WCAP_CONN_LIST)
 818                         print_conn_list(buffer, codec, nid, wid_type,
 819                                         conn, conn_len);
 820
 821                 if (wid_caps & AC_WCAP_PROC_WID)
 822                         print_proc_caps(buffer, codec, nid);
 823
 824                 if (codec->proc_widget_hook)
 825                         codec->proc_widget_hook(buffer, codec, nid);
 826
 827                 kfree(conn);
 828         }
 829         snd_hda_power_down(codec);
 830 }
 831
 832 /*
 833  * create a proc read
 834  */
 835 int snd_hda_codec_proc_new(struct hda_codec *codec)
 836 {
 837         char name[32];
 838         struct snd_info_entry *entry;
 839         int err;
 840
 841         snprintf(name, sizeof(name), "codec#%d", codec->addr);
 842         err = snd_card_proc_new(codec->bus->card, name, &entry);
 843         if (err < 0)
 844                 return err;
 845
 846         snd_info_set_text_ops(entry, codec, print_codec_info);
 847         return 0;
 848 }
 849