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 char *bits_names(unsigned int bits, char *names[], int size)
  30 {
  31         int i, n;
  32         static char buf[128];
  33
  34         for (i = 0, n = 0; i < size; i++) {
  35                 if (bits & (1U<<i) && names[i])
  36                         n += snprintf(buf + n, sizeof(buf) - n, " %s",
  37                                       names[i]);
  38         }
  39         buf[n] = '\0';
  40
  41         return buf;
  42 }
  43
  44 static const char *get_wid_type_name(unsigned int wid_value)
  45 {
  46         static char *names[16] = {
  47                 [AC_WID_AUD_OUT] = "Audio Output",
  48                 [AC_WID_AUD_IN] = "Audio Input",
  49                 [AC_WID_AUD_MIX] = "Audio Mixer",
  50                 [AC_WID_AUD_SEL] = "Audio Selector",
  51                 [AC_WID_PIN] = "Pin Complex",
  52                 [AC_WID_POWER] = "Power Widget",
  53                 [AC_WID_VOL_KNB] = "Volume Knob Widget",
  54                 [AC_WID_BEEP] = "Beep Generator Widget",
  55                 [AC_WID_VENDOR] = "Vendor Defined Widget",
  56         };
  57         wid_value &= 0xf;
  58         if (names[wid_value])
  59                 return names[wid_value];
  60         else
  61                 return "UNKNOWN Widget";
  62 }
  63
  64 static void print_nid_mixers(struct snd_info_buffer *buffer,
  65                              struct hda_codec *codec, hda_nid_t nid)
  66 {
  67         int i;
  68         struct hda_nid_item *items = codec->mixers.list;
  69         struct snd_kcontrol *kctl;
  70         for (i = 0; i < codec->mixers.used; i++) {
  71                 if (items[i].nid == nid) {
  72                         kctl = items[i].kctl;
  73                         snd_iprintf(buffer,
  74                           "  Control: name=\"%s\", index=%i, device=%i\n",
  75                           kctl->id.name, kctl->id.index, kctl->id.device);
  76                 }
  77         }
  78 }
  79
  80 static void print_nid_pcms(struct snd_info_buffer *buffer,
  81                            struct hda_codec *codec, hda_nid_t nid)
  82 {
  83         int pcm, type;
  84         struct hda_pcm *cpcm;
  85         for (pcm = 0; pcm < codec->num_pcms; pcm++) {
  86                 cpcm = &codec->pcm_info[pcm];
  87                 for (type = 0; type < 2; type++) {
  88                         if (cpcm->stream[type].nid != nid || cpcm->pcm == NULL)
  89                                 continue;
  90                         snd_iprintf(buffer, "  Device: name=\"%s\", "
  91                                     "type=\"%s\", device=%i\n",
  92                                     cpcm->name,
  93                                     snd_hda_pcm_type_name[cpcm->pcm_type],
  94                                     cpcm->pcm->device);
  95                 }
  96         }
  97 }
  98
  99 static void print_amp_caps(struct snd_info_buffer *buffer,
 100                            struct hda_codec *codec, hda_nid_t nid, int dir)
 101 {
 102         unsigned int caps;
 103         caps = snd_hda_param_read(codec, nid,
 104                                   dir == HDA_OUTPUT ?
 105                                     AC_PAR_AMP_OUT_CAP : AC_PAR_AMP_IN_CAP);
 106         if (caps == -1 || caps == 0) {
 107                 snd_iprintf(buffer, "N/A\n");
 108                 return;
 109         }
 110         snd_iprintf(buffer, "ofs=0x%02x, nsteps=0x%02x, stepsize=0x%02x, "
 111                     "mute=%x\n",
 112                     caps & AC_AMPCAP_OFFSET,
 113                     (caps & AC_AMPCAP_NUM_STEPS) >> AC_AMPCAP_NUM_STEPS_SHIFT,
 114                     (caps & AC_AMPCAP_STEP_SIZE) >> AC_AMPCAP_STEP_SIZE_SHIFT,
 115                     (caps & AC_AMPCAP_MUTE) >> AC_AMPCAP_MUTE_SHIFT);
 116 }
 117
 118 static void print_amp_vals(struct snd_info_buffer *buffer,
 119                            struct hda_codec *codec, hda_nid_t nid,
 120                            int dir, int stereo, int indices)
 121 {
 122         unsigned int val;
 123         int i;
 124
 125         dir = dir == HDA_OUTPUT ? AC_AMP_GET_OUTPUT : AC_AMP_GET_INPUT;
 126         for (i = 0; i < indices; i++) {
 127                 snd_iprintf(buffer, " [");
 128                 if (stereo) {
 129                         val = snd_hda_codec_read(codec, nid, 0,
 130                                                  AC_VERB_GET_AMP_GAIN_MUTE,
 131                                                  AC_AMP_GET_LEFT | dir | i);
 132                         snd_iprintf(buffer, "0x%02x ", val);
 133                 }
 134                 val = snd_hda_codec_read(codec, nid, 0,
 135                                          AC_VERB_GET_AMP_GAIN_MUTE,
 136                                          AC_AMP_GET_RIGHT | dir | i);
 137                 snd_iprintf(buffer, "0x%02x]", val);
 138         }
 139         snd_iprintf(buffer, "\n");
 140 }
 141
 142 static void print_pcm_rates(struct snd_info_buffer *buffer, unsigned int pcm)
 143 {
 144         char buf[SND_PRINT_RATES_ADVISED_BUFSIZE];
 145
 146         pcm &= AC_SUPPCM_RATES;
 147         snd_iprintf(buffer, "    rates [0x%x]:", pcm);
 148         snd_print_pcm_rates(pcm, buf, sizeof(buf));
 149         snd_iprintf(buffer, "%s\n", buf);
 150 }
 151
 152 static void print_pcm_bits(struct snd_info_buffer *buffer, unsigned int pcm)
 153 {
 154         char buf[SND_PRINT_BITS_ADVISED_BUFSIZE];
 155
 156         snd_iprintf(buffer, "    bits [0x%x]:", (pcm >> 16) & 0xff);
 157         snd_print_pcm_bits(pcm, buf, sizeof(buf));
 158         snd_iprintf(buffer, "%s\n", buf);
 159 }
 160
 161 static void print_pcm_formats(struct snd_info_buffer *buffer,
 162                               unsigned int streams)
 163 {
 164         snd_iprintf(buffer, "    formats [0x%x]:", streams & 0xf);
 165         if (streams & AC_SUPFMT_PCM)
 166                 snd_iprintf(buffer, " PCM");
 167         if (streams & AC_SUPFMT_FLOAT32)
 168                 snd_iprintf(buffer, " FLOAT");
 169         if (streams & AC_SUPFMT_AC3)
 170                 snd_iprintf(buffer, " AC3");
 171         snd_iprintf(buffer, "\n");
 172 }
 173
 174 static void print_pcm_caps(struct snd_info_buffer *buffer,
 175                            struct hda_codec *codec, hda_nid_t nid)
 176 {
 177         unsigned int pcm = snd_hda_param_read(codec, nid, AC_PAR_PCM);
 178         unsigned int stream = snd_hda_param_read(codec, nid, AC_PAR_STREAM);
 179         if (pcm == -1 || stream == -1) {
 180                 snd_iprintf(buffer, "N/A\n");
 181                 return;
 182         }
 183         print_pcm_rates(buffer, pcm);
 184         print_pcm_bits(buffer, pcm);
 185         print_pcm_formats(buffer, stream);
 186 }
 187
 188 static const char *get_jack_connection(u32 cfg)
 189 {
 190         static char *names[16] = {
 191                 "Unknown", "1/8", "1/4", "ATAPI",
 192                 "RCA", "Optical","Digital", "Analog",
 193                 "DIN", "XLR", "RJ11", "Comb",
 194                 NULL, NULL, NULL, "Other"
 195         };
 196         cfg = (cfg & AC_DEFCFG_CONN_TYPE) >> AC_DEFCFG_CONN_TYPE_SHIFT;
 197         if (names[cfg])
 198                 return names[cfg];
 199         else
 200                 return "UNKNOWN";
 201 }
 202
 203 static const char *get_jack_color(u32 cfg)
 204 {
 205         static char *names[16] = {
 206                 "Unknown", "Black", "Grey", "Blue",
 207                 "Green", "Red", "Orange", "Yellow",
 208                 "Purple", "Pink", NULL, NULL,
 209                 NULL, NULL, "White", "Other",
 210         };
 211         cfg = (cfg & AC_DEFCFG_COLOR) >> AC_DEFCFG_COLOR_SHIFT;
 212         if (names[cfg])
 213                 return names[cfg];
 214         else
 215                 return "UNKNOWN";
 216 }
 217
 218 static void print_pin_caps(struct snd_info_buffer *buffer,
 219                            struct hda_codec *codec, hda_nid_t nid,
 220                            int *supports_vref)
 221 {
 222         static char *jack_conns[4] = { "Jack", "N/A", "Fixed", "Both" };
 223         unsigned int caps, val;
 224
 225         caps = snd_hda_param_read(codec, nid, AC_PAR_PIN_CAP);
 226         snd_iprintf(buffer, "  Pincap 0x%08x:", caps);
 227         if (caps & AC_PINCAP_IN)
 228                 snd_iprintf(buffer, " IN");
 229         if (caps & AC_PINCAP_OUT)
 230                 snd_iprintf(buffer, " OUT");
 231         if (caps & AC_PINCAP_HP_DRV)
 232                 snd_iprintf(buffer, " HP");
 233         if (caps & AC_PINCAP_EAPD)
 234                 snd_iprintf(buffer, " EAPD");
 235         if (caps & AC_PINCAP_PRES_DETECT)
 236                 snd_iprintf(buffer, " Detect");
 237         if (caps & AC_PINCAP_BALANCE)
 238                 snd_iprintf(buffer, " Balanced");
 239         if (caps & AC_PINCAP_HDMI) {
 240                 /* Realtek uses this bit as a different meaning */
 241                 if ((codec->vendor_id >> 16) == 0x10ec)
 242                         snd_iprintf(buffer, " R/L");
 243                 else
 244                         snd_iprintf(buffer, " HDMI");
 245         }
 246         if (caps & AC_PINCAP_TRIG_REQ)
 247                 snd_iprintf(buffer, " Trigger");
 248         if (caps & AC_PINCAP_IMP_SENSE)
 249                 snd_iprintf(buffer, " ImpSense");
 250         snd_iprintf(buffer, "\n");
 251         if (caps & AC_PINCAP_VREF) {
 252                 unsigned int vref =
 253                         (caps & AC_PINCAP_VREF) >> AC_PINCAP_VREF_SHIFT;
 254                 snd_iprintf(buffer, "    Vref caps:");
 255                 if (vref & AC_PINCAP_VREF_HIZ)
 256                         snd_iprintf(buffer, " HIZ");
 257                 if (vref & AC_PINCAP_VREF_50)
 258                         snd_iprintf(buffer, " 50");
 259                 if (vref & AC_PINCAP_VREF_GRD)
 260                         snd_iprintf(buffer, " GRD");
 261                 if (vref & AC_PINCAP_VREF_80)
 262                         snd_iprintf(buffer, " 80");
 263                 if (vref & AC_PINCAP_VREF_100)
 264                         snd_iprintf(buffer, " 100");
 265                 snd_iprintf(buffer, "\n");
 266                 *supports_vref = 1;
 267         } else
 268                 *supports_vref = 0;
 269         if (caps & AC_PINCAP_EAPD) {
 270                 val = snd_hda_codec_read(codec, nid, 0,
 271                                          AC_VERB_GET_EAPD_BTLENABLE, 0);
 272                 snd_iprintf(buffer, "  EAPD 0x%x:", val);
 273                 if (val & AC_EAPDBTL_BALANCED)
 274                         snd_iprintf(buffer, " BALANCED");
 275                 if (val & AC_EAPDBTL_EAPD)
 276                         snd_iprintf(buffer, " EAPD");
 277                 if (val & AC_EAPDBTL_LR_SWAP)
 278                         snd_iprintf(buffer, " R/L");
 279                 snd_iprintf(buffer, "\n");
 280         }
 281         caps = snd_hda_codec_read(codec, nid, 0, AC_VERB_GET_CONFIG_DEFAULT, 0);
 282         snd_iprintf(buffer, "  Pin Default 0x%08x: [%s] %s at %s %s\n", caps,
 283                     jack_conns[(caps & AC_DEFCFG_PORT_CONN) >> AC_DEFCFG_PORT_CONN_SHIFT],
 284                     snd_hda_get_jack_type(caps),
 285                     snd_hda_get_jack_connectivity(caps),
 286                     snd_hda_get_jack_location(caps));
 287         snd_iprintf(buffer, "    Conn = %s, Color = %s\n",
 288                     get_jack_connection(caps),
 289                     get_jack_color(caps));
 290         /* Default association and sequence values refer to default grouping
 291          * of pin complexes and their sequence within the group. This is used
 292          * for priority and resource allocation.
 293          */
 294         snd_iprintf(buffer, "    DefAssociation = 0x%x, Sequence = 0x%x\n",
 295                     (caps & AC_DEFCFG_DEF_ASSOC) >> AC_DEFCFG_ASSOC_SHIFT,
 296                     caps & AC_DEFCFG_SEQUENCE);
 297         if (((caps & AC_DEFCFG_MISC) >> AC_DEFCFG_MISC_SHIFT) &
 298             AC_DEFCFG_MISC_NO_PRESENCE) {
 299                 /* Miscellaneous bit indicates external hardware does not
 300                  * support presence detection even if the pin complex
 301                  * indicates it is supported.
 302                  */
 303                 snd_iprintf(buffer, "    Misc = NO_PRESENCE\n");
 304         }
 305 }
 306
 307 static void print_pin_ctls(struct snd_info_buffer *buffer,
 308                            struct hda_codec *codec, hda_nid_t nid,
 309                            int supports_vref)
 310 {
 311         unsigned int pinctls;
 312
 313         pinctls = snd_hda_codec_read(codec, nid, 0,
 314                                      AC_VERB_GET_PIN_WIDGET_CONTROL, 0);
 315         snd_iprintf(buffer, "  Pin-ctls: 0x%02x:", pinctls);
 316         if (pinctls & AC_PINCTL_IN_EN)
 317                 snd_iprintf(buffer, " IN");
 318         if (pinctls & AC_PINCTL_OUT_EN)
 319                 snd_iprintf(buffer, " OUT");
 320         if (pinctls & AC_PINCTL_HP_EN)
 321                 snd_iprintf(buffer, " HP");
 322         if (supports_vref) {
 323                 int vref = pinctls & AC_PINCTL_VREFEN;
 324                 switch (vref) {
 325                 case AC_PINCTL_VREF_HIZ:
 326                         snd_iprintf(buffer, " VREF_HIZ");
 327                         break;
 328                 case AC_PINCTL_VREF_50:
 329                         snd_iprintf(buffer, " VREF_50");
 330                         break;
 331                 case AC_PINCTL_VREF_GRD:
 332                         snd_iprintf(buffer, " VREF_GRD");
 333                         break;
 334                 case AC_PINCTL_VREF_80:
 335                         snd_iprintf(buffer, " VREF_80");
 336                         break;
 337                 case AC_PINCTL_VREF_100:
 338                         snd_iprintf(buffer, " VREF_100");
 339                         break;
 340                 }
 341         }
 342         snd_iprintf(buffer, "\n");
 343 }
 344
 345 static void print_vol_knob(struct snd_info_buffer *buffer,
 346                            struct hda_codec *codec, hda_nid_t nid)
 347 {
 348         unsigned int cap = snd_hda_param_read(codec, nid,
 349                                               AC_PAR_VOL_KNB_CAP);
 350         snd_iprintf(buffer, "  Volume-Knob: delta=%d, steps=%d, ",
 351                     (cap >> 7) & 1, cap & 0x7f);
 352         cap = snd_hda_codec_read(codec, nid, 0,
 353                                  AC_VERB_GET_VOLUME_KNOB_CONTROL, 0);
 354         snd_iprintf(buffer, "direct=%d, val=%d\n",
 355                     (cap >> 7) & 1, cap & 0x7f);
 356 }
 357
 358 static void print_audio_io(struct snd_info_buffer *buffer,
 359                            struct hda_codec *codec, hda_nid_t nid,
 360                            unsigned int wid_type)
 361 {
 362         int conv = snd_hda_codec_read(codec, nid, 0, AC_VERB_GET_CONV, 0);
 363         snd_iprintf(buffer,
 364                     "  Converter: stream=%d, channel=%d\n",
 365                     (conv & AC_CONV_STREAM) >> AC_CONV_STREAM_SHIFT,
 366                     conv & AC_CONV_CHANNEL);
 367
 368         if (wid_type == AC_WID_AUD_IN && (conv & AC_CONV_CHANNEL) == 0) {
 369                 int sdi = snd_hda_codec_read(codec, nid, 0,
 370                                              AC_VERB_GET_SDI_SELECT, 0);
 371                 snd_iprintf(buffer, "  SDI-Select: %d\n",
 372                             sdi & AC_SDI_SELECT);
 373         }
 374 }
 375
 376 static void print_digital_conv(struct snd_info_buffer *buffer,
 377                                struct hda_codec *codec, hda_nid_t nid)
 378 {
 379         unsigned int digi1 = snd_hda_codec_read(codec, nid, 0,
 380                                                 AC_VERB_GET_DIGI_CONVERT_1, 0);
 381         snd_iprintf(buffer, "  Digital:");
 382         if (digi1 & AC_DIG1_ENABLE)
 383                 snd_iprintf(buffer, " Enabled");
 384         if (digi1 & AC_DIG1_V)
 385                 snd_iprintf(buffer, " Validity");
 386         if (digi1 & AC_DIG1_VCFG)
 387                 snd_iprintf(buffer, " ValidityCfg");
 388         if (digi1 & AC_DIG1_EMPHASIS)
 389                 snd_iprintf(buffer, " Preemphasis");
 390         if (digi1 & AC_DIG1_COPYRIGHT)
 391                 snd_iprintf(buffer, " Copyright");
 392         if (digi1 & AC_DIG1_NONAUDIO)
 393                 snd_iprintf(buffer, " Non-Audio");
 394         if (digi1 & AC_DIG1_PROFESSIONAL)
 395                 snd_iprintf(buffer, " Pro");
 396         if (digi1 & AC_DIG1_LEVEL)
 397                 snd_iprintf(buffer, " GenLevel");
 398         snd_iprintf(buffer, "\n");
 399         snd_iprintf(buffer, "  Digital category: 0x%x\n",
 400                     (digi1 >> 8) & AC_DIG2_CC);
 401 }
 402
 403 static const char *get_pwr_state(u32 state)
 404 {
 405         static const char *buf[4] = {
 406                 "D0", "D1", "D2", "D3"
 407         };
 408         if (state < 4)
 409                 return buf[state];
 410         return "UNKNOWN";
 411 }
 412
 413 static void print_power_state(struct snd_info_buffer *buffer,
 414                               struct hda_codec *codec, hda_nid_t nid)
 415 {
 416         static char *names[] = {
 417                 [ilog2(AC_PWRST_D0SUP)]         = "D0",
 418                 [ilog2(AC_PWRST_D1SUP)]         = "D1",
 419                 [ilog2(AC_PWRST_D2SUP)]         = "D2",
 420                 [ilog2(AC_PWRST_D3SUP)]         = "D3",
 421                 [ilog2(AC_PWRST_D3COLDSUP)]     = "D3cold",
 422                 [ilog2(AC_PWRST_S3D3COLDSUP)]   = "S3D3cold",
 423                 [ilog2(AC_PWRST_CLKSTOP)]       = "CLKSTOP",
 424                 [ilog2(AC_PWRST_EPSS)]          = "EPSS",
 425         };
 426
 427         int sup = snd_hda_param_read(codec, nid, AC_PAR_POWER_STATE);
 428         int pwr = snd_hda_codec_read(codec, nid, 0,
 429                                      AC_VERB_GET_POWER_STATE, 0);
 430         if (sup)
 431                 snd_iprintf(buffer, "  Power states: %s\n",
 432                             bits_names(sup, names, ARRAY_SIZE(names)));
 433
 434         snd_iprintf(buffer, "  Power: setting=%s, actual=%s\n",
 435                     get_pwr_state(pwr & AC_PWRST_SETTING),
 436                     get_pwr_state((pwr & AC_PWRST_ACTUAL) >>
 437                                   AC_PWRST_ACTUAL_SHIFT));
 438 }
 439
 440 static void print_unsol_cap(struct snd_info_buffer *buffer,
 441                               struct hda_codec *codec, hda_nid_t nid)
 442 {
 443         int unsol = snd_hda_codec_read(codec, nid, 0,
 444                                        AC_VERB_GET_UNSOLICITED_RESPONSE, 0);
 445         snd_iprintf(buffer,
 446                     "  Unsolicited: tag=%02x, enabled=%d\n",
 447                     unsol & AC_UNSOL_TAG,
 448                     (unsol & AC_UNSOL_ENABLED) ? 1 : 0);
 449 }
 450
 451 static void print_proc_caps(struct snd_info_buffer *buffer,
 452                             struct hda_codec *codec, hda_nid_t nid)
 453 {
 454         unsigned int proc_caps = snd_hda_param_read(codec, nid,
 455                                                     AC_PAR_PROC_CAP);
 456         snd_iprintf(buffer, "  Processing caps: benign=%d, ncoeff=%d\n",
 457                     proc_caps & AC_PCAP_BENIGN,
 458                     (proc_caps & AC_PCAP_NUM_COEF) >> AC_PCAP_NUM_COEF_SHIFT);
 459 }
 460
 461 static void print_conn_list(struct snd_info_buffer *buffer,
 462                             struct hda_codec *codec, hda_nid_t nid,
 463                             unsigned int wid_type, hda_nid_t *conn,
 464                             int conn_len)
 465 {
 466         int c, curr = -1;
 467
 468         if (conn_len > 1 &&
 469             wid_type != AC_WID_AUD_MIX &&
 470             wid_type != AC_WID_VOL_KNB &&
 471             wid_type != AC_WID_POWER)
 472                 curr = snd_hda_codec_read(codec, nid, 0,
 473                                           AC_VERB_GET_CONNECT_SEL, 0);
 474         snd_iprintf(buffer, "  Connection: %d\n", conn_len);
 475         if (conn_len > 0) {
 476                 snd_iprintf(buffer, "    ");
 477                 for (c = 0; c < conn_len; c++) {
 478                         snd_iprintf(buffer, " 0x%02x", conn[c]);
 479                         if (c == curr)
 480                                 snd_iprintf(buffer, "*");
 481                 }
 482                 snd_iprintf(buffer, "\n");
 483         }
 484 }
 485
 486 static void print_gpio(struct snd_info_buffer *buffer,
 487                        struct hda_codec *codec, hda_nid_t nid)
 488 {
 489         unsigned int gpio =
 490                 snd_hda_param_read(codec, codec->afg, AC_PAR_GPIO_CAP);
 491         unsigned int enable, direction, wake, unsol, sticky, data;
 492         int i, max;
 493         snd_iprintf(buffer, "GPIO: io=%d, o=%d, i=%d, "
 494                     "unsolicited=%d, wake=%d\n",
 495                     gpio & AC_GPIO_IO_COUNT,
 496                     (gpio & AC_GPIO_O_COUNT) >> AC_GPIO_O_COUNT_SHIFT,
 497                     (gpio & AC_GPIO_I_COUNT) >> AC_GPIO_I_COUNT_SHIFT,
 498                     (gpio & AC_GPIO_UNSOLICITED) ? 1 : 0,
 499                     (gpio & AC_GPIO_WAKE) ? 1 : 0);
 500         max = gpio & AC_GPIO_IO_COUNT;
 501         if (!max || max > 8)
 502                 return;
 503         enable = snd_hda_codec_read(codec, nid, 0,
 504                                     AC_VERB_GET_GPIO_MASK, 0);
 505         direction = snd_hda_codec_read(codec, nid, 0,
 506                                        AC_VERB_GET_GPIO_DIRECTION, 0);
 507         wake = snd_hda_codec_read(codec, nid, 0,
 508                                   AC_VERB_GET_GPIO_WAKE_MASK, 0);
 509         unsol  = snd_hda_codec_read(codec, nid, 0,
 510                                     AC_VERB_GET_GPIO_UNSOLICITED_RSP_MASK, 0);
 511         sticky = snd_hda_codec_read(codec, nid, 0,
 512                                     AC_VERB_GET_GPIO_STICKY_MASK, 0);
 513         data = snd_hda_codec_read(codec, nid, 0,
 514                                   AC_VERB_GET_GPIO_DATA, 0);
 515         for (i = 0; i < max; ++i)
 516                 snd_iprintf(buffer,
 517                             "  IO[%d]: enable=%d, dir=%d, wake=%d, "
 518                             "sticky=%d, data=%d, unsol=%d\n", i,
 519                             (enable & (1<<i)) ? 1 : 0,
 520                             (direction & (1<<i)) ? 1 : 0,
 521                             (wake & (1<<i)) ? 1 : 0,
 522                             (sticky & (1<<i)) ? 1 : 0,
 523                             (data & (1<<i)) ? 1 : 0,
 524                             (unsol & (1<<i)) ? 1 : 0);
 525         /* FIXME: add GPO and GPI pin information */
 526         print_nid_mixers(buffer, codec, nid);
 527 }
 528
 529 static void print_codec_info(struct snd_info_entry *entry,
 530                              struct snd_info_buffer *buffer)
 531 {
 532         struct hda_codec *codec = entry->private_data;
 533         hda_nid_t nid;
 534         int i, nodes;
 535
 536         snd_iprintf(buffer, "Codec: ");
 537         if (codec->vendor_name && codec->chip_name)
 538                 snd_iprintf(buffer, "%s %s\n",
 539                             codec->vendor_name, codec->chip_name);
 540         else
 541                 snd_iprintf(buffer, "Not Set\n");
 542         snd_iprintf(buffer, "Address: %d\n", codec->addr);
 543         snd_iprintf(buffer, "Function Id: 0x%x\n", codec->function_id);
 544         snd_iprintf(buffer, "Vendor Id: 0x%08x\n", codec->vendor_id);
 545         snd_iprintf(buffer, "Subsystem Id: 0x%08x\n", codec->subsystem_id);
 546         snd_iprintf(buffer, "Revision Id: 0x%x\n", codec->revision_id);
 547
 548         if (codec->mfg)
 549                 snd_iprintf(buffer, "Modem Function Group: 0x%x\n", codec->mfg);
 550         else
 551                 snd_iprintf(buffer, "No Modem Function Group found\n");
 552
 553         if (! codec->afg)
 554                 return;
 555         snd_hda_power_up(codec);
 556         snd_iprintf(buffer, "Default PCM:\n");
 557         print_pcm_caps(buffer, codec, codec->afg);
 558         snd_iprintf(buffer, "Default Amp-In caps: ");
 559         print_amp_caps(buffer, codec, codec->afg, HDA_INPUT);
 560         snd_iprintf(buffer, "Default Amp-Out caps: ");
 561         print_amp_caps(buffer, codec, codec->afg, HDA_OUTPUT);
 562
 563         nodes = snd_hda_get_sub_nodes(codec, codec->afg, &nid);
 564         if (! nid || nodes < 0) {
 565                 snd_iprintf(buffer, "Invalid AFG subtree\n");
 566                 snd_hda_power_down(codec);
 567                 return;
 568         }
 569
 570         print_gpio(buffer, codec, codec->afg);
 571         if (codec->proc_widget_hook)
 572                 codec->proc_widget_hook(buffer, codec, codec->afg);
 573
 574         for (i = 0; i < nodes; i++, nid++) {
 575                 unsigned int wid_caps =
 576                         snd_hda_param_read(codec, nid,
 577                                            AC_PAR_AUDIO_WIDGET_CAP);
 578                 unsigned int wid_type = get_wcaps_type(wid_caps);
 579                 hda_nid_t conn[HDA_MAX_CONNECTIONS];
 580                 int conn_len = 0;
 581
 582                 snd_iprintf(buffer, "Node 0x%02x [%s] wcaps 0x%x:", nid,
 583                             get_wid_type_name(wid_type), wid_caps);
 584                 if (wid_caps & AC_WCAP_STEREO) {
 585                         unsigned int chans = get_wcaps_channels(wid_caps);
 586                         if (chans == 2)
 587                                 snd_iprintf(buffer, " Stereo");
 588                         else
 589                                 snd_iprintf(buffer, " %d-Channels", chans);
 590                 } else
 591                         snd_iprintf(buffer, " Mono");
 592                 if (wid_caps & AC_WCAP_DIGITAL)
 593                         snd_iprintf(buffer, " Digital");
 594                 if (wid_caps & AC_WCAP_IN_AMP)
 595                         snd_iprintf(buffer, " Amp-In");
 596                 if (wid_caps & AC_WCAP_OUT_AMP)
 597                         snd_iprintf(buffer, " Amp-Out");
 598                 if (wid_caps & AC_WCAP_STRIPE)
 599                         snd_iprintf(buffer, " Stripe");
 600                 if (wid_caps & AC_WCAP_LR_SWAP)
 601                         snd_iprintf(buffer, " R/L");
 602                 if (wid_caps & AC_WCAP_CP_CAPS)
 603                         snd_iprintf(buffer, " CP");
 604                 snd_iprintf(buffer, "\n");
 605
 606                 print_nid_mixers(buffer, codec, nid);
 607                 print_nid_pcms(buffer, codec, nid);
 608
 609                 /* volume knob is a special widget that always have connection
 610                  * list
 611                  */
 612                 if (wid_type == AC_WID_VOL_KNB)
 613                         wid_caps |= AC_WCAP_CONN_LIST;
 614
 615                 if (wid_caps & AC_WCAP_CONN_LIST)
 616                         conn_len = snd_hda_get_connections(codec, nid, conn,
 617                                                            HDA_MAX_CONNECTIONS);
 618
 619                 if (wid_caps & AC_WCAP_IN_AMP) {
 620                         snd_iprintf(buffer, "  Amp-In caps: ");
 621                         print_amp_caps(buffer, codec, nid, HDA_INPUT);
 622                         snd_iprintf(buffer, "  Amp-In vals: ");
 623                         print_amp_vals(buffer, codec, nid, HDA_INPUT,
 624                                        wid_caps & AC_WCAP_STEREO,
 625                                        wid_type == AC_WID_PIN ? 1 : conn_len);
 626                 }
 627                 if (wid_caps & AC_WCAP_OUT_AMP) {
 628                         snd_iprintf(buffer, "  Amp-Out caps: ");
 629                         print_amp_caps(buffer, codec, nid, HDA_OUTPUT);
 630                         snd_iprintf(buffer, "  Amp-Out vals: ");
 631                         if (wid_type == AC_WID_PIN &&
 632                             codec->pin_amp_workaround)
 633                                 print_amp_vals(buffer, codec, nid, HDA_OUTPUT,
 634                                                wid_caps & AC_WCAP_STEREO,
 635                                                conn_len);
 636                         else
 637                                 print_amp_vals(buffer, codec, nid, HDA_OUTPUT,
 638                                                wid_caps & AC_WCAP_STEREO, 1);
 639                 }
 640
 641                 switch (wid_type) {
 642                 case AC_WID_PIN: {
 643                         int supports_vref;
 644                         print_pin_caps(buffer, codec, nid, &supports_vref);
 645                         print_pin_ctls(buffer, codec, nid, supports_vref);
 646                         break;
 647                 }
 648                 case AC_WID_VOL_KNB:
 649                         print_vol_knob(buffer, codec, nid);
 650                         break;
 651                 case AC_WID_AUD_OUT:
 652                 case AC_WID_AUD_IN:
 653                         print_audio_io(buffer, codec, nid, wid_type);
 654                         if (wid_caps & AC_WCAP_DIGITAL)
 655                                 print_digital_conv(buffer, codec, nid);
 656                         if (wid_caps & AC_WCAP_FORMAT_OVRD) {
 657                                 snd_iprintf(buffer, "  PCM:\n");
 658                                 print_pcm_caps(buffer, codec, nid);
 659                         }
 660                         break;
 661                 }
 662
 663                 if (wid_caps & AC_WCAP_UNSOL_CAP)
 664                         print_unsol_cap(buffer, codec, nid);
 665
 666                 if (wid_caps & AC_WCAP_POWER)
 667                         print_power_state(buffer, codec, nid);
 668
 669                 if (wid_caps & AC_WCAP_DELAY)
 670                         snd_iprintf(buffer, "  Delay: %d samples\n",
 671                                     (wid_caps & AC_WCAP_DELAY) >>
 672                                     AC_WCAP_DELAY_SHIFT);
 673
 674                 if (wid_caps & AC_WCAP_CONN_LIST)
 675                         print_conn_list(buffer, codec, nid, wid_type,
 676                                         conn, conn_len);
 677
 678                 if (wid_caps & AC_WCAP_PROC_WID)
 679                         print_proc_caps(buffer, codec, nid);
 680
 681                 if (codec->proc_widget_hook)
 682                         codec->proc_widget_hook(buffer, codec, nid);
 683         }
 684         snd_hda_power_down(codec);
 685 }
 686
 687 /*
 688  * create a proc read
 689  */
 690 int snd_hda_codec_proc_new(struct hda_codec *codec)
 691 {
 692         char name[32];
 693         struct snd_info_entry *entry;
 694         int err;
 695
 696         snprintf(name, sizeof(name), "codec#%d", codec->addr);
 697         err = snd_card_proc_new(codec->bus->card, name, &entry);
 698         if (err < 0)
 699                 return err;
 700
 701         snd_info_set_text_ops(entry, codec, print_codec_info);
 702         return 0;
 703 }
 704