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 <sound/core.h>
  26 #include "hda_codec.h"
  27 #include "hda_local.h"
  28
  29 static const char *get_wid_type_name(unsigned int wid_value)
  30 {
  31         static char *names[16] = {
  32                 [AC_WID_AUD_OUT] = "Audio Output",
  33                 [AC_WID_AUD_IN] = "Audio Input",
  34                 [AC_WID_AUD_MIX] = "Audio Mixer",
  35                 [AC_WID_AUD_SEL] = "Audio Selector",
  36                 [AC_WID_PIN] = "Pin Complex",
  37                 [AC_WID_POWER] = "Power Widget",
  38                 [AC_WID_VOL_KNB] = "Volume Knob Widget",
  39                 [AC_WID_BEEP] = "Beep Generator Widget",
  40                 [AC_WID_VENDOR] = "Vendor Defined Widget",
  41         };
  42         wid_value &= 0xf;
  43         if (names[wid_value])
  44                 return names[wid_value];
  45         else
  46                 return "UNKNOWN Widget";
  47 }
  48
  49 static void print_amp_caps(struct snd_info_buffer *buffer,
  50                            struct hda_codec *codec, hda_nid_t nid, int dir)
  51 {
  52         unsigned int caps;
  53         caps = snd_hda_param_read(codec, nid,
  54                                   dir == HDA_OUTPUT ?
  55                                     AC_PAR_AMP_OUT_CAP : AC_PAR_AMP_IN_CAP);
  56         if (caps == -1 || caps == 0) {
  57                 snd_iprintf(buffer, "N/A\n");
  58                 return;
  59         }
  60         snd_iprintf(buffer, "ofs=0x%02x, nsteps=0x%02x, stepsize=0x%02x, "
  61                     "mute=%x\n",
  62                     caps & AC_AMPCAP_OFFSET,
  63                     (caps & AC_AMPCAP_NUM_STEPS) >> AC_AMPCAP_NUM_STEPS_SHIFT,
  64                     (caps & AC_AMPCAP_STEP_SIZE) >> AC_AMPCAP_STEP_SIZE_SHIFT,
  65                     (caps & AC_AMPCAP_MUTE) >> AC_AMPCAP_MUTE_SHIFT);
  66 }
  67
  68 static void print_amp_vals(struct snd_info_buffer *buffer,
  69                            struct hda_codec *codec, hda_nid_t nid,
  70                            int dir, int stereo, int indices)
  71 {
  72         unsigned int val;
  73         int i;
  74
  75         dir = dir == HDA_OUTPUT ? AC_AMP_GET_OUTPUT : AC_AMP_GET_INPUT;
  76         for (i = 0; i < indices; i++) {
  77                 snd_iprintf(buffer, " [");
  78                 if (stereo) {
  79                         val = snd_hda_codec_read(codec, nid, 0,
  80                                                  AC_VERB_GET_AMP_GAIN_MUTE,
  81                                                  AC_AMP_GET_LEFT | dir | i);
  82                         snd_iprintf(buffer, "0x%02x ", val);
  83                 }
  84                 val = snd_hda_codec_read(codec, nid, 0,
  85                                          AC_VERB_GET_AMP_GAIN_MUTE,
  86                                          AC_AMP_GET_RIGHT | dir | i);
  87                 snd_iprintf(buffer, "0x%02x]", val);
  88         }
  89         snd_iprintf(buffer, "\n");
  90 }
  91
  92 static void print_pcm_rates(struct snd_info_buffer *buffer, unsigned int pcm)
  93 {
  94         char buf[SND_PRINT_RATES_ADVISED_BUFSIZE];
  95
  96         pcm &= AC_SUPPCM_RATES;
  97         snd_iprintf(buffer, "    rates [0x%x]:", pcm);
  98         snd_print_pcm_rates(pcm, buf, sizeof(buf));
  99         snd_iprintf(buffer, "%s\n", buf);
 100 }
 101
 102 static void print_pcm_bits(struct snd_info_buffer *buffer, unsigned int pcm)
 103 {
 104         char buf[SND_PRINT_BITS_ADVISED_BUFSIZE];
 105
 106         snd_iprintf(buffer, "    bits [0x%x]:", (pcm >> 16) & 0xff);
 107         snd_print_pcm_bits(pcm, buf, sizeof(buf));
 108         snd_iprintf(buffer, "%s\n", buf);
 109 }
 110
 111 static void print_pcm_formats(struct snd_info_buffer *buffer,
 112                               unsigned int streams)
 113 {
 114         snd_iprintf(buffer, "    formats [0x%x]:", streams & 0xf);
 115         if (streams & AC_SUPFMT_PCM)
 116                 snd_iprintf(buffer, " PCM");
 117         if (streams & AC_SUPFMT_FLOAT32)
 118                 snd_iprintf(buffer, " FLOAT");
 119         if (streams & AC_SUPFMT_AC3)
 120                 snd_iprintf(buffer, " AC3");
 121         snd_iprintf(buffer, "\n");
 122 }
 123
 124 static void print_pcm_caps(struct snd_info_buffer *buffer,
 125                            struct hda_codec *codec, hda_nid_t nid)
 126 {
 127         unsigned int pcm = snd_hda_param_read(codec, nid, AC_PAR_PCM);
 128         unsigned int stream = snd_hda_param_read(codec, nid, AC_PAR_STREAM);
 129         if (pcm == -1 || stream == -1) {
 130                 snd_iprintf(buffer, "N/A\n");
 131                 return;
 132         }
 133         print_pcm_rates(buffer, pcm);
 134         print_pcm_bits(buffer, pcm);
 135         print_pcm_formats(buffer, stream);
 136 }
 137
 138 static const char *get_jack_connection(u32 cfg)
 139 {
 140         static char *names[16] = {
 141                 "Unknown", "1/8", "1/4", "ATAPI",
 142                 "RCA", "Optical","Digital", "Analog",
 143                 "DIN", "XLR", "RJ11", "Comb",
 144                 NULL, NULL, NULL, "Other"
 145         };
 146         cfg = (cfg & AC_DEFCFG_CONN_TYPE) >> AC_DEFCFG_CONN_TYPE_SHIFT;
 147         if (names[cfg])
 148                 return names[cfg];
 149         else
 150                 return "UNKNOWN";
 151 }
 152
 153 static const char *get_jack_color(u32 cfg)
 154 {
 155         static char *names[16] = {
 156                 "Unknown", "Black", "Grey", "Blue",
 157                 "Green", "Red", "Orange", "Yellow",
 158                 "Purple", "Pink", NULL, NULL,
 159                 NULL, NULL, "White", "Other",
 160         };
 161         cfg = (cfg & AC_DEFCFG_COLOR) >> AC_DEFCFG_COLOR_SHIFT;
 162         if (names[cfg])
 163                 return names[cfg];
 164         else
 165                 return "UNKNOWN";
 166 }
 167
 168 static void print_pin_caps(struct snd_info_buffer *buffer,
 169                            struct hda_codec *codec, hda_nid_t nid,
 170                            int *supports_vref)
 171 {
 172         static char *jack_conns[4] = { "Jack", "N/A", "Fixed", "Both" };
 173         unsigned int caps, val;
 174
 175         caps = snd_hda_param_read(codec, nid, AC_PAR_PIN_CAP);
 176         snd_iprintf(buffer, "  Pincap 0x%08x:", caps);
 177         if (caps & AC_PINCAP_IN)
 178                 snd_iprintf(buffer, " IN");
 179         if (caps & AC_PINCAP_OUT)
 180                 snd_iprintf(buffer, " OUT");
 181         if (caps & AC_PINCAP_HP_DRV)
 182                 snd_iprintf(buffer, " HP");
 183         if (caps & AC_PINCAP_EAPD)
 184                 snd_iprintf(buffer, " EAPD");
 185         if (caps & AC_PINCAP_PRES_DETECT)
 186                 snd_iprintf(buffer, " Detect");
 187         if (caps & AC_PINCAP_BALANCE)
 188                 snd_iprintf(buffer, " Balanced");
 189         if (caps & AC_PINCAP_HDMI) {
 190                 /* Realtek uses this bit as a different meaning */
 191                 if ((codec->vendor_id >> 16) == 0x10ec)
 192                         snd_iprintf(buffer, " R/L");
 193                 else
 194                         snd_iprintf(buffer, " HDMI");
 195         }
 196         if (caps & AC_PINCAP_TRIG_REQ)
 197                 snd_iprintf(buffer, " Trigger");
 198         if (caps & AC_PINCAP_IMP_SENSE)
 199                 snd_iprintf(buffer, " ImpSense");
 200         snd_iprintf(buffer, "\n");
 201         if (caps & AC_PINCAP_VREF) {
 202                 unsigned int vref =
 203                         (caps & AC_PINCAP_VREF) >> AC_PINCAP_VREF_SHIFT;
 204                 snd_iprintf(buffer, "    Vref caps:");
 205                 if (vref & AC_PINCAP_VREF_HIZ)
 206                         snd_iprintf(buffer, " HIZ");
 207                 if (vref & AC_PINCAP_VREF_50)
 208                         snd_iprintf(buffer, " 50");
 209                 if (vref & AC_PINCAP_VREF_GRD)
 210                         snd_iprintf(buffer, " GRD");
 211                 if (vref & AC_PINCAP_VREF_80)
 212                         snd_iprintf(buffer, " 80");
 213                 if (vref & AC_PINCAP_VREF_100)
 214                         snd_iprintf(buffer, " 100");
 215                 snd_iprintf(buffer, "\n");
 216                 *supports_vref = 1;
 217         } else
 218                 *supports_vref = 0;
 219         if (caps & AC_PINCAP_EAPD) {
 220                 val = snd_hda_codec_read(codec, nid, 0,
 221                                          AC_VERB_GET_EAPD_BTLENABLE, 0);
 222                 snd_iprintf(buffer, "  EAPD 0x%x:", val);
 223                 if (val & AC_EAPDBTL_BALANCED)
 224                         snd_iprintf(buffer, " BALANCED");
 225                 if (val & AC_EAPDBTL_EAPD)
 226                         snd_iprintf(buffer, " EAPD");
 227                 if (val & AC_EAPDBTL_LR_SWAP)
 228                         snd_iprintf(buffer, " R/L");
 229                 snd_iprintf(buffer, "\n");
 230         }
 231         caps = snd_hda_codec_read(codec, nid, 0, AC_VERB_GET_CONFIG_DEFAULT, 0);
 232         snd_iprintf(buffer, "  Pin Default 0x%08x: [%s] %s at %s %s\n", caps,
 233                     jack_conns[(caps & AC_DEFCFG_PORT_CONN) >> AC_DEFCFG_PORT_CONN_SHIFT],
 234                     snd_hda_get_jack_type(caps),
 235                     snd_hda_get_jack_connectivity(caps),
 236                     snd_hda_get_jack_location(caps));
 237         snd_iprintf(buffer, "    Conn = %s, Color = %s\n",
 238                     get_jack_connection(caps),
 239                     get_jack_color(caps));
 240         /* Default association and sequence values refer to default grouping
 241          * of pin complexes and their sequence within the group. This is used
 242          * for priority and resource allocation.
 243          */
 244         snd_iprintf(buffer, "    DefAssociation = 0x%x, Sequence = 0x%x\n",
 245                     (caps & AC_DEFCFG_DEF_ASSOC) >> AC_DEFCFG_ASSOC_SHIFT,
 246                     caps & AC_DEFCFG_SEQUENCE);
 247         if (((caps & AC_DEFCFG_MISC) >> AC_DEFCFG_MISC_SHIFT) &
 248             AC_DEFCFG_MISC_NO_PRESENCE) {
 249                 /* Miscellaneous bit indicates external hardware does not
 250                  * support presence detection even if the pin complex
 251                  * indicates it is supported.
 252                  */
 253                 snd_iprintf(buffer, "    Misc = NO_PRESENCE\n");
 254         }
 255 }
 256
 257 static void print_pin_ctls(struct snd_info_buffer *buffer,
 258                            struct hda_codec *codec, hda_nid_t nid,
 259                            int supports_vref)
 260 {
 261         unsigned int pinctls;
 262
 263         pinctls = snd_hda_codec_read(codec, nid, 0,
 264                                      AC_VERB_GET_PIN_WIDGET_CONTROL, 0);
 265         snd_iprintf(buffer, "  Pin-ctls: 0x%02x:", pinctls);
 266         if (pinctls & AC_PINCTL_IN_EN)
 267                 snd_iprintf(buffer, " IN");
 268         if (pinctls & AC_PINCTL_OUT_EN)
 269                 snd_iprintf(buffer, " OUT");
 270         if (pinctls & AC_PINCTL_HP_EN)
 271                 snd_iprintf(buffer, " HP");
 272         if (supports_vref) {
 273                 int vref = pinctls & AC_PINCTL_VREFEN;
 274                 switch (vref) {
 275                 case AC_PINCTL_VREF_HIZ:
 276                         snd_iprintf(buffer, " VREF_HIZ");
 277                         break;
 278                 case AC_PINCTL_VREF_50:
 279                         snd_iprintf(buffer, " VREF_50");
 280                         break;
 281                 case AC_PINCTL_VREF_GRD:
 282                         snd_iprintf(buffer, " VREF_GRD");
 283                         break;
 284                 case AC_PINCTL_VREF_80:
 285                         snd_iprintf(buffer, " VREF_80");
 286                         break;
 287                 case AC_PINCTL_VREF_100:
 288                         snd_iprintf(buffer, " VREF_100");
 289                         break;
 290                 }
 291         }
 292         snd_iprintf(buffer, "\n");
 293 }
 294
 295 static void print_vol_knob(struct snd_info_buffer *buffer,
 296                            struct hda_codec *codec, hda_nid_t nid)
 297 {
 298         unsigned int cap = snd_hda_param_read(codec, nid,
 299                                               AC_PAR_VOL_KNB_CAP);
 300         snd_iprintf(buffer, "  Volume-Knob: delta=%d, steps=%d, ",
 301                     (cap >> 7) & 1, cap & 0x7f);
 302         cap = snd_hda_codec_read(codec, nid, 0,
 303                                  AC_VERB_GET_VOLUME_KNOB_CONTROL, 0);
 304         snd_iprintf(buffer, "direct=%d, val=%d\n",
 305                     (cap >> 7) & 1, cap & 0x7f);
 306 }
 307
 308 static void print_audio_io(struct snd_info_buffer *buffer,
 309                            struct hda_codec *codec, hda_nid_t nid,
 310                            unsigned int wid_type)
 311 {
 312         int pcm, conv;
 313         for (pcm = 0; pcm < codec->num_pcms; pcm++) {
 314                 int type;
 315                 struct hda_pcm *cpcm = &codec->pcm_info[pcm];
 316                 for (type = 0; type < 2; type++) {
 317                         if (cpcm->stream[type].nid != nid || cpcm->pcm == NULL)
 318                                 continue;
 319                         snd_iprintf(buffer, "  Device: name=\"%s\", type=\"%s\", device=%i, substream=%i\n",
 320                                 cpcm->name,
 321                                 snd_hda_pcm_type_name[cpcm->pcm_type],
 322                                 cpcm->pcm->device,
 323                                 cpcm->pcm->streams[type].substream->number);
 324                 }
 325         }
 326         conv = snd_hda_codec_read(codec, nid, 0, AC_VERB_GET_CONV, 0);
 327         snd_iprintf(buffer,
 328                     "  Converter: stream=%d, channel=%d\n",
 329                     (conv & AC_CONV_STREAM) >> AC_CONV_STREAM_SHIFT,
 330                     conv & AC_CONV_CHANNEL);
 331
 332         if (wid_type == AC_WID_AUD_IN && (conv & AC_CONV_CHANNEL) == 0) {
 333                 int sdi = snd_hda_codec_read(codec, nid, 0,
 334                                              AC_VERB_GET_SDI_SELECT, 0);
 335                 snd_iprintf(buffer, "  SDI-Select: %d\n",
 336                             sdi & AC_SDI_SELECT);
 337         }
 338 }
 339
 340 static void print_digital_conv(struct snd_info_buffer *buffer,
 341                                struct hda_codec *codec, hda_nid_t nid)
 342 {
 343         unsigned int digi1 = snd_hda_codec_read(codec, nid, 0,
 344                                                 AC_VERB_GET_DIGI_CONVERT_1, 0);
 345         snd_iprintf(buffer, "  Digital:");
 346         if (digi1 & AC_DIG1_ENABLE)
 347                 snd_iprintf(buffer, " Enabled");
 348         if (digi1 & AC_DIG1_V)
 349                 snd_iprintf(buffer, " Validity");
 350         if (digi1 & AC_DIG1_VCFG)
 351                 snd_iprintf(buffer, " ValidityCfg");
 352         if (digi1 & AC_DIG1_EMPHASIS)
 353                 snd_iprintf(buffer, " Preemphasis");
 354         if (digi1 & AC_DIG1_COPYRIGHT)
 355                 snd_iprintf(buffer, " Copyright");
 356         if (digi1 & AC_DIG1_NONAUDIO)
 357                 snd_iprintf(buffer, " Non-Audio");
 358         if (digi1 & AC_DIG1_PROFESSIONAL)
 359                 snd_iprintf(buffer, " Pro");
 360         if (digi1 & AC_DIG1_LEVEL)
 361                 snd_iprintf(buffer, " GenLevel");
 362         snd_iprintf(buffer, "\n");
 363         snd_iprintf(buffer, "  Digital category: 0x%x\n",
 364                     (digi1 >> 8) & AC_DIG2_CC);
 365 }
 366
 367 static const char *get_pwr_state(u32 state)
 368 {
 369         static const char *buf[4] = {
 370                 "D0", "D1", "D2", "D3"
 371         };
 372         if (state < 4)
 373                 return buf[state];
 374         return "UNKNOWN";
 375 }
 376
 377 static void print_power_state(struct snd_info_buffer *buffer,
 378                               struct hda_codec *codec, hda_nid_t nid)
 379 {
 380         int pwr = snd_hda_codec_read(codec, nid, 0,
 381                                      AC_VERB_GET_POWER_STATE, 0);
 382         snd_iprintf(buffer, "  Power: setting=%s, actual=%s\n",
 383                     get_pwr_state(pwr & AC_PWRST_SETTING),
 384                     get_pwr_state((pwr & AC_PWRST_ACTUAL) >>
 385                                   AC_PWRST_ACTUAL_SHIFT));
 386 }
 387
 388 static void print_unsol_cap(struct snd_info_buffer *buffer,
 389                               struct hda_codec *codec, hda_nid_t nid)
 390 {
 391         int unsol = snd_hda_codec_read(codec, nid, 0,
 392                                        AC_VERB_GET_UNSOLICITED_RESPONSE, 0);
 393         snd_iprintf(buffer,
 394                     "  Unsolicited: tag=%02x, enabled=%d\n",
 395                     unsol & AC_UNSOL_TAG,
 396                     (unsol & AC_UNSOL_ENABLED) ? 1 : 0);
 397 }
 398
 399 static void print_proc_caps(struct snd_info_buffer *buffer,
 400                             struct hda_codec *codec, hda_nid_t nid)
 401 {
 402         unsigned int proc_caps = snd_hda_param_read(codec, nid,
 403                                                     AC_PAR_PROC_CAP);
 404         snd_iprintf(buffer, "  Processing caps: benign=%d, ncoeff=%d\n",
 405                     proc_caps & AC_PCAP_BENIGN,
 406                     (proc_caps & AC_PCAP_NUM_COEF) >> AC_PCAP_NUM_COEF_SHIFT);
 407 }
 408
 409 static void print_conn_list(struct snd_info_buffer *buffer,
 410                             struct hda_codec *codec, hda_nid_t nid,
 411                             unsigned int wid_type, hda_nid_t *conn,
 412                             int conn_len)
 413 {
 414         int c, curr = -1;
 415
 416         if (conn_len > 1 &&
 417             wid_type != AC_WID_AUD_MIX &&
 418             wid_type != AC_WID_VOL_KNB &&
 419             wid_type != AC_WID_POWER)
 420                 curr = snd_hda_codec_read(codec, nid, 0,
 421                                           AC_VERB_GET_CONNECT_SEL, 0);
 422         snd_iprintf(buffer, "  Connection: %d\n", conn_len);
 423         if (conn_len > 0) {
 424                 snd_iprintf(buffer, "    ");
 425                 for (c = 0; c < conn_len; c++) {
 426                         snd_iprintf(buffer, " 0x%02x", conn[c]);
 427                         if (c == curr)
 428                                 snd_iprintf(buffer, "*");
 429                 }
 430                 snd_iprintf(buffer, "\n");
 431         }
 432 }
 433
 434 static void print_gpio(struct snd_info_buffer *buffer,
 435                        struct hda_codec *codec, hda_nid_t nid)
 436 {
 437         unsigned int gpio =
 438                 snd_hda_param_read(codec, codec->afg, AC_PAR_GPIO_CAP);
 439         unsigned int enable, direction, wake, unsol, sticky, data;
 440         int i, max;
 441         snd_iprintf(buffer, "GPIO: io=%d, o=%d, i=%d, "
 442                     "unsolicited=%d, wake=%d\n",
 443                     gpio & AC_GPIO_IO_COUNT,
 444                     (gpio & AC_GPIO_O_COUNT) >> AC_GPIO_O_COUNT_SHIFT,
 445                     (gpio & AC_GPIO_I_COUNT) >> AC_GPIO_I_COUNT_SHIFT,
 446                     (gpio & AC_GPIO_UNSOLICITED) ? 1 : 0,
 447                     (gpio & AC_GPIO_WAKE) ? 1 : 0);
 448         max = gpio & AC_GPIO_IO_COUNT;
 449         if (!max || max > 8)
 450                 return;
 451         enable = snd_hda_codec_read(codec, nid, 0,
 452                                     AC_VERB_GET_GPIO_MASK, 0);
 453         direction = snd_hda_codec_read(codec, nid, 0,
 454                                        AC_VERB_GET_GPIO_DIRECTION, 0);
 455         wake = snd_hda_codec_read(codec, nid, 0,
 456                                   AC_VERB_GET_GPIO_WAKE_MASK, 0);
 457         unsol  = snd_hda_codec_read(codec, nid, 0,
 458                                     AC_VERB_GET_GPIO_UNSOLICITED_RSP_MASK, 0);
 459         sticky = snd_hda_codec_read(codec, nid, 0,
 460                                     AC_VERB_GET_GPIO_STICKY_MASK, 0);
 461         data = snd_hda_codec_read(codec, nid, 0,
 462                                   AC_VERB_GET_GPIO_DATA, 0);
 463         for (i = 0; i < max; ++i)
 464                 snd_iprintf(buffer,
 465                             "  IO[%d]: enable=%d, dir=%d, wake=%d, "
 466                             "sticky=%d, data=%d, unsol=%d\n", i,
 467                             (enable & (1<<i)) ? 1 : 0,
 468                             (direction & (1<<i)) ? 1 : 0,
 469                             (wake & (1<<i)) ? 1 : 0,
 470                             (sticky & (1<<i)) ? 1 : 0,
 471                             (data & (1<<i)) ? 1 : 0,
 472                             (unsol & (1<<i)) ? 1 : 0);
 473         /* FIXME: add GPO and GPI pin information */
 474 }
 475
 476 static void print_codec_info(struct snd_info_entry *entry,
 477                              struct snd_info_buffer *buffer)
 478 {
 479         struct hda_codec *codec = entry->private_data;
 480         hda_nid_t nid;
 481         int i, nodes;
 482
 483         snd_iprintf(buffer, "Codec: ");
 484         if (codec->vendor_name && codec->chip_name)
 485                 snd_iprintf(buffer, "%s %s\n",
 486                             codec->vendor_name, codec->chip_name);
 487         else
 488                 snd_iprintf(buffer, "Not Set\n");
 489         snd_iprintf(buffer, "Address: %d\n", codec->addr);
 490         snd_iprintf(buffer, "Function Id: 0x%x\n", codec->function_id);
 491         snd_iprintf(buffer, "Vendor Id: 0x%08x\n", codec->vendor_id);
 492         snd_iprintf(buffer, "Subsystem Id: 0x%08x\n", codec->subsystem_id);
 493         snd_iprintf(buffer, "Revision Id: 0x%x\n", codec->revision_id);
 494
 495         if (codec->mfg)
 496                 snd_iprintf(buffer, "Modem Function Group: 0x%x\n", codec->mfg);
 497         else
 498                 snd_iprintf(buffer, "No Modem Function Group found\n");
 499
 500         if (! codec->afg)
 501                 return;
 502         snd_hda_power_up(codec);
 503         snd_iprintf(buffer, "Default PCM:\n");
 504         print_pcm_caps(buffer, codec, codec->afg);
 505         snd_iprintf(buffer, "Default Amp-In caps: ");
 506         print_amp_caps(buffer, codec, codec->afg, HDA_INPUT);
 507         snd_iprintf(buffer, "Default Amp-Out caps: ");
 508         print_amp_caps(buffer, codec, codec->afg, HDA_OUTPUT);
 509
 510         nodes = snd_hda_get_sub_nodes(codec, codec->afg, &nid);
 511         if (! nid || nodes < 0) {
 512                 snd_iprintf(buffer, "Invalid AFG subtree\n");
 513                 snd_hda_power_down(codec);
 514                 return;
 515         }
 516
 517         print_gpio(buffer, codec, codec->afg);
 518         if (codec->proc_widget_hook)
 519                 codec->proc_widget_hook(buffer, codec, codec->afg);
 520
 521         for (i = 0; i < nodes; i++, nid++) {
 522                 unsigned int wid_caps =
 523                         snd_hda_param_read(codec, nid,
 524                                            AC_PAR_AUDIO_WIDGET_CAP);
 525                 unsigned int wid_type = get_wcaps_type(wid_caps);
 526                 hda_nid_t conn[HDA_MAX_CONNECTIONS];
 527                 int conn_len = 0;
 528
 529                 snd_iprintf(buffer, "Node 0x%02x [%s] wcaps 0x%x:", nid,
 530                             get_wid_type_name(wid_type), wid_caps);
 531                 if (wid_caps & AC_WCAP_STEREO) {
 532                         unsigned int chans = get_wcaps_channels(wid_caps);
 533                         if (chans == 2)
 534                                 snd_iprintf(buffer, " Stereo");
 535                         else
 536                                 snd_iprintf(buffer, " %d-Channels", chans);
 537                 } else
 538                         snd_iprintf(buffer, " Mono");
 539                 if (wid_caps & AC_WCAP_DIGITAL)
 540                         snd_iprintf(buffer, " Digital");
 541                 if (wid_caps & AC_WCAP_IN_AMP)
 542                         snd_iprintf(buffer, " Amp-In");
 543                 if (wid_caps & AC_WCAP_OUT_AMP)
 544                         snd_iprintf(buffer, " Amp-Out");
 545                 if (wid_caps & AC_WCAP_STRIPE)
 546                         snd_iprintf(buffer, " Stripe");
 547                 if (wid_caps & AC_WCAP_LR_SWAP)
 548                         snd_iprintf(buffer, " R/L");
 549                 if (wid_caps & AC_WCAP_CP_CAPS)
 550                         snd_iprintf(buffer, " CP");
 551                 snd_iprintf(buffer, "\n");
 552
 553                 /* volume knob is a special widget that always have connection
 554                  * list
 555                  */
 556                 if (wid_type == AC_WID_VOL_KNB)
 557                         wid_caps |= AC_WCAP_CONN_LIST;
 558
 559                 if (wid_caps & AC_WCAP_CONN_LIST)
 560                         conn_len = snd_hda_get_connections(codec, nid, conn,
 561                                                            HDA_MAX_CONNECTIONS);
 562
 563                 if (wid_caps & AC_WCAP_IN_AMP) {
 564                         snd_iprintf(buffer, "  Amp-In caps: ");
 565                         print_amp_caps(buffer, codec, nid, HDA_INPUT);
 566                         snd_iprintf(buffer, "  Amp-In vals: ");
 567                         print_amp_vals(buffer, codec, nid, HDA_INPUT,
 568                                        wid_caps & AC_WCAP_STEREO,
 569                                        wid_type == AC_WID_PIN ? 1 : conn_len);
 570                 }
 571                 if (wid_caps & AC_WCAP_OUT_AMP) {
 572                         snd_iprintf(buffer, "  Amp-Out caps: ");
 573                         print_amp_caps(buffer, codec, nid, HDA_OUTPUT);
 574                         snd_iprintf(buffer, "  Amp-Out vals: ");
 575                         if (wid_type == AC_WID_PIN &&
 576                             codec->pin_amp_workaround)
 577                                 print_amp_vals(buffer, codec, nid, HDA_OUTPUT,
 578                                                wid_caps & AC_WCAP_STEREO,
 579                                                conn_len);
 580                         else
 581                                 print_amp_vals(buffer, codec, nid, HDA_OUTPUT,
 582                                                wid_caps & AC_WCAP_STEREO, 1);
 583                 }
 584
 585                 switch (wid_type) {
 586                 case AC_WID_PIN: {
 587                         int supports_vref;
 588                         print_pin_caps(buffer, codec, nid, &supports_vref);
 589                         print_pin_ctls(buffer, codec, nid, supports_vref);
 590                         break;
 591                 }
 592                 case AC_WID_VOL_KNB:
 593                         print_vol_knob(buffer, codec, nid);
 594                         break;
 595                 case AC_WID_AUD_OUT:
 596                 case AC_WID_AUD_IN:
 597                         print_audio_io(buffer, codec, nid, wid_type);
 598                         if (wid_caps & AC_WCAP_DIGITAL)
 599                                 print_digital_conv(buffer, codec, nid);
 600                         if (wid_caps & AC_WCAP_FORMAT_OVRD) {
 601                                 snd_iprintf(buffer, "  PCM:\n");
 602                                 print_pcm_caps(buffer, codec, nid);
 603                         }
 604                         break;
 605                 }
 606
 607                 if (wid_caps & AC_WCAP_UNSOL_CAP)
 608                         print_unsol_cap(buffer, codec, nid);
 609
 610                 if (wid_caps & AC_WCAP_POWER)
 611                         print_power_state(buffer, codec, nid);
 612
 613                 if (wid_caps & AC_WCAP_DELAY)
 614                         snd_iprintf(buffer, "  Delay: %d samples\n",
 615                                     (wid_caps & AC_WCAP_DELAY) >>
 616                                     AC_WCAP_DELAY_SHIFT);
 617
 618                 if (wid_caps & AC_WCAP_CONN_LIST)
 619                         print_conn_list(buffer, codec, nid, wid_type,
 620                                         conn, conn_len);
 621
 622                 if (wid_caps & AC_WCAP_PROC_WID)
 623                         print_proc_caps(buffer, codec, nid);
 624
 625                 if (codec->proc_widget_hook)
 626                         codec->proc_widget_hook(buffer, codec, nid);
 627         }
 628         snd_hda_power_down(codec);
 629 }
 630
 631 /*
 632  * create a proc read
 633  */
 634 int snd_hda_codec_proc_new(struct hda_codec *codec)
 635 {
 636         char name[32];
 637         struct snd_info_entry *entry;
 638         int err;
 639
 640         snprintf(name, sizeof(name), "codec#%d", codec->addr);
 641         err = snd_card_proc_new(codec->bus->card, name, &entry);
 642         if (err < 0)
 643                 return err;
 644
 645         snd_info_set_text_ops(entry, codec, print_codec_info);
 646         return 0;
 647 }
 648