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         if (wid_value == -1)
  58                 return "UNKNOWN Widget";
  59         wid_value &= 0xf;
  60         if (names[wid_value])
  61                 return names[wid_value];
  62         else
  63                 return "UNKNOWN Widget";
  64 }
  65
  66 static void print_nid_array(struct snd_info_buffer *buffer,
  67                             struct hda_codec *codec, hda_nid_t nid,
  68                             struct snd_array *array)
  69 {
  70         int i;
  71         struct hda_nid_item *items = array->list, *item;
  72         struct snd_kcontrol *kctl;
  73         for (i = 0; i < array->used; i++) {
  74                 item = &items[i];
  75                 if (item->nid == nid) {
  76                         kctl = item->kctl;
  77                         snd_iprintf(buffer,
  78                           "  Control: name=\"%s\", index=%i, device=%i\n",
  79                           kctl->id.name, kctl->id.index + item->index,
  80                           kctl->id.device);
  81                         if (item->flags & HDA_NID_ITEM_AMP)
  82                                 snd_iprintf(buffer,
  83                                   "    ControlAmp: chs=%lu, dir=%s, "
  84                                   "idx=%lu, ofs=%lu\n",
  85                                   get_amp_channels(kctl),
  86                                   get_amp_direction(kctl) ? "Out" : "In",
  87                                   get_amp_index(kctl),
  88                                   get_amp_offset(kctl));
  89                 }
  90         }
  91 }
  92
  93 static void print_nid_pcms(struct snd_info_buffer *buffer,
  94                            struct hda_codec *codec, hda_nid_t nid)
  95 {
  96         int pcm, type;
  97         struct hda_pcm *cpcm;
  98         for (pcm = 0; pcm < codec->num_pcms; pcm++) {
  99                 cpcm = &codec->pcm_info[pcm];
 100                 for (type = 0; type < 2; type++) {
 101                         if (cpcm->stream[type].nid != nid || cpcm->pcm == NULL)
 102                                 continue;
 103                         snd_iprintf(buffer, "  Device: name=\"%s\", "
 104                                     "type=\"%s\", device=%i\n",
 105                                     cpcm->name,
 106                                     snd_hda_pcm_type_name[cpcm->pcm_type],
 107                                     cpcm->pcm->device);
 108                 }
 109         }
 110 }
 111
 112 static void print_amp_caps(struct snd_info_buffer *buffer,
 113                            struct hda_codec *codec, hda_nid_t nid, int dir)
 114 {
 115         unsigned int caps;
 116         caps = snd_hda_param_read(codec, nid,
 117                                   dir == HDA_OUTPUT ?
 118                                     AC_PAR_AMP_OUT_CAP : AC_PAR_AMP_IN_CAP);
 119         if (caps == -1 || caps == 0) {
 120                 snd_iprintf(buffer, "N/A\n");
 121                 return;
 122         }
 123         snd_iprintf(buffer, "ofs=0x%02x, nsteps=0x%02x, stepsize=0x%02x, "
 124                     "mute=%x\n",
 125                     caps & AC_AMPCAP_OFFSET,
 126                     (caps & AC_AMPCAP_NUM_STEPS) >> AC_AMPCAP_NUM_STEPS_SHIFT,
 127                     (caps & AC_AMPCAP_STEP_SIZE) >> AC_AMPCAP_STEP_SIZE_SHIFT,
 128                     (caps & AC_AMPCAP_MUTE) >> AC_AMPCAP_MUTE_SHIFT);
 129 }
 130
 131 static void print_amp_vals(struct snd_info_buffer *buffer,
 132                            struct hda_codec *codec, hda_nid_t nid,
 133                            int dir, int stereo, int indices)
 134 {
 135         unsigned int val;
 136         int i;
 137
 138         dir = dir == HDA_OUTPUT ? AC_AMP_GET_OUTPUT : AC_AMP_GET_INPUT;
 139         for (i = 0; i < indices; i++) {
 140                 snd_iprintf(buffer, " [");
 141                 if (stereo) {
 142                         val = snd_hda_codec_read(codec, nid, 0,
 143                                                  AC_VERB_GET_AMP_GAIN_MUTE,
 144                                                  AC_AMP_GET_LEFT | dir | i);
 145                         snd_iprintf(buffer, "0x%02x ", val);
 146                 }
 147                 val = snd_hda_codec_read(codec, nid, 0,
 148                                          AC_VERB_GET_AMP_GAIN_MUTE,
 149                                          AC_AMP_GET_RIGHT | dir | i);
 150                 snd_iprintf(buffer, "0x%02x]", val);
 151         }
 152         snd_iprintf(buffer, "\n");
 153 }
 154
 155 static void print_pcm_rates(struct snd_info_buffer *buffer, unsigned int pcm)
 156 {
 157         static unsigned int rates[] = {
 158                 8000, 11025, 16000, 22050, 32000, 44100, 48000, 88200,
 159                 96000, 176400, 192000, 384000
 160         };
 161         int i;
 162
 163         pcm &= AC_SUPPCM_RATES;
 164         snd_iprintf(buffer, "    rates [0x%x]:", pcm);
 165         for (i = 0; i < ARRAY_SIZE(rates); i++)
 166                 if (pcm & (1 << i))
 167                         snd_iprintf(buffer,  " %d", rates[i]);
 168         snd_iprintf(buffer, "\n");
 169 }
 170
 171 static void print_pcm_bits(struct snd_info_buffer *buffer, unsigned int pcm)
 172 {
 173         char buf[SND_PRINT_BITS_ADVISED_BUFSIZE];
 174
 175         snd_iprintf(buffer, "    bits [0x%x]:", (pcm >> 16) & 0xff);
 176         snd_print_pcm_bits(pcm, buf, sizeof(buf));
 177         snd_iprintf(buffer, "%s\n", buf);
 178 }
 179
 180 static void print_pcm_formats(struct snd_info_buffer *buffer,
 181                               unsigned int streams)
 182 {
 183         snd_iprintf(buffer, "    formats [0x%x]:", streams & 0xf);
 184         if (streams & AC_SUPFMT_PCM)
 185                 snd_iprintf(buffer, " PCM");
 186         if (streams & AC_SUPFMT_FLOAT32)
 187                 snd_iprintf(buffer, " FLOAT");
 188         if (streams & AC_SUPFMT_AC3)
 189                 snd_iprintf(buffer, " AC3");
 190         snd_iprintf(buffer, "\n");
 191 }
 192
 193 static void print_pcm_caps(struct snd_info_buffer *buffer,
 194                            struct hda_codec *codec, hda_nid_t nid)
 195 {
 196         unsigned int pcm = snd_hda_param_read(codec, nid, AC_PAR_PCM);
 197         unsigned int stream = snd_hda_param_read(codec, nid, AC_PAR_STREAM);
 198         if (pcm == -1 || stream == -1) {
 199                 snd_iprintf(buffer, "N/A\n");
 200                 return;
 201         }
 202         print_pcm_rates(buffer, pcm);
 203         print_pcm_bits(buffer, pcm);
 204         print_pcm_formats(buffer, stream);
 205 }
 206
 207 static const char *get_jack_connection(u32 cfg)
 208 {
 209         static char *names[16] = {
 210                 "Unknown", "1/8", "1/4", "ATAPI",
 211                 "RCA", "Optical","Digital", "Analog",
 212                 "DIN", "XLR", "RJ11", "Comb",
 213                 NULL, NULL, NULL, "Other"
 214         };
 215         cfg = (cfg & AC_DEFCFG_CONN_TYPE) >> AC_DEFCFG_CONN_TYPE_SHIFT;
 216         if (names[cfg])
 217                 return names[cfg];
 218         else
 219                 return "UNKNOWN";
 220 }
 221
 222 static const char *get_jack_color(u32 cfg)
 223 {
 224         static char *names[16] = {
 225                 "Unknown", "Black", "Grey", "Blue",
 226                 "Green", "Red", "Orange", "Yellow",
 227                 "Purple", "Pink", NULL, NULL,
 228                 NULL, NULL, "White", "Other",
 229         };
 230         cfg = (cfg & AC_DEFCFG_COLOR) >> AC_DEFCFG_COLOR_SHIFT;
 231         if (names[cfg])
 232                 return names[cfg];
 233         else
 234                 return "UNKNOWN";
 235 }
 236
 237 static void print_pin_caps(struct snd_info_buffer *buffer,
 238                            struct hda_codec *codec, hda_nid_t nid,
 239                            int *supports_vref)
 240 {
 241         static char *jack_conns[4] = { "Jack", "N/A", "Fixed", "Both" };
 242         unsigned int caps, val;
 243
 244         caps = snd_hda_param_read(codec, nid, AC_PAR_PIN_CAP);
 245         snd_iprintf(buffer, "  Pincap 0x%08x:", caps);
 246         if (caps & AC_PINCAP_IN)
 247                 snd_iprintf(buffer, " IN");
 248         if (caps & AC_PINCAP_OUT)
 249                 snd_iprintf(buffer, " OUT");
 250         if (caps & AC_PINCAP_HP_DRV)
 251                 snd_iprintf(buffer, " HP");
 252         if (caps & AC_PINCAP_EAPD)
 253                 snd_iprintf(buffer, " EAPD");
 254         if (caps & AC_PINCAP_PRES_DETECT)
 255                 snd_iprintf(buffer, " Detect");
 256         if (caps & AC_PINCAP_BALANCE)
 257                 snd_iprintf(buffer, " Balanced");
 258         if (caps & AC_PINCAP_HDMI) {
 259                 /* Realtek uses this bit as a different meaning */
 260                 if ((codec->vendor_id >> 16) == 0x10ec)
 261                         snd_iprintf(buffer, " R/L");
 262                 else {
 263                         if (caps & AC_PINCAP_HBR)
 264                                 snd_iprintf(buffer, " HBR");
 265                         snd_iprintf(buffer, " HDMI");
 266                 }
 267         }
 268         if (caps & AC_PINCAP_DP)
 269                 snd_iprintf(buffer, " DP");
 270         if (caps & AC_PINCAP_TRIG_REQ)
 271                 snd_iprintf(buffer, " Trigger");
 272         if (caps & AC_PINCAP_IMP_SENSE)
 273                 snd_iprintf(buffer, " ImpSense");
 274         snd_iprintf(buffer, "\n");
 275         if (caps & AC_PINCAP_VREF) {
 276                 unsigned int vref =
 277                         (caps & AC_PINCAP_VREF) >> AC_PINCAP_VREF_SHIFT;
 278                 snd_iprintf(buffer, "    Vref caps:");
 279                 if (vref & AC_PINCAP_VREF_HIZ)
 280                         snd_iprintf(buffer, " HIZ");
 281                 if (vref & AC_PINCAP_VREF_50)
 282                         snd_iprintf(buffer, " 50");
 283                 if (vref & AC_PINCAP_VREF_GRD)
 284                         snd_iprintf(buffer, " GRD");
 285                 if (vref & AC_PINCAP_VREF_80)
 286                         snd_iprintf(buffer, " 80");
 287                 if (vref & AC_PINCAP_VREF_100)
 288                         snd_iprintf(buffer, " 100");
 289                 snd_iprintf(buffer, "\n");
 290                 *supports_vref = 1;
 291         } else
 292                 *supports_vref = 0;
 293         if (caps & AC_PINCAP_EAPD) {
 294                 val = snd_hda_codec_read(codec, nid, 0,
 295                                          AC_VERB_GET_EAPD_BTLENABLE, 0);
 296                 snd_iprintf(buffer, "  EAPD 0x%x:", val);
 297                 if (val & AC_EAPDBTL_BALANCED)
 298                         snd_iprintf(buffer, " BALANCED");
 299                 if (val & AC_EAPDBTL_EAPD)
 300                         snd_iprintf(buffer, " EAPD");
 301                 if (val & AC_EAPDBTL_LR_SWAP)
 302                         snd_iprintf(buffer, " R/L");
 303                 snd_iprintf(buffer, "\n");
 304         }
 305         caps = snd_hda_codec_read(codec, nid, 0, AC_VERB_GET_CONFIG_DEFAULT, 0);
 306         snd_iprintf(buffer, "  Pin Default 0x%08x: [%s] %s at %s %s\n", caps,
 307                     jack_conns[(caps & AC_DEFCFG_PORT_CONN) >> AC_DEFCFG_PORT_CONN_SHIFT],
 308                     snd_hda_get_jack_type(caps),
 309                     snd_hda_get_jack_connectivity(caps),
 310                     snd_hda_get_jack_location(caps));
 311         snd_iprintf(buffer, "    Conn = %s, Color = %s\n",
 312                     get_jack_connection(caps),
 313                     get_jack_color(caps));
 314         /* Default association and sequence values refer to default grouping
 315          * of pin complexes and their sequence within the group. This is used
 316          * for priority and resource allocation.
 317          */
 318         snd_iprintf(buffer, "    DefAssociation = 0x%x, Sequence = 0x%x\n",
 319                     (caps & AC_DEFCFG_DEF_ASSOC) >> AC_DEFCFG_ASSOC_SHIFT,
 320                     caps & AC_DEFCFG_SEQUENCE);
 321         if (((caps & AC_DEFCFG_MISC) >> AC_DEFCFG_MISC_SHIFT) &
 322             AC_DEFCFG_MISC_NO_PRESENCE) {
 323                 /* Miscellaneous bit indicates external hardware does not
 324                  * support presence detection even if the pin complex
 325                  * indicates it is supported.
 326                  */
 327                 snd_iprintf(buffer, "    Misc = NO_PRESENCE\n");
 328         }
 329 }
 330
 331 static void print_pin_ctls(struct snd_info_buffer *buffer,
 332                            struct hda_codec *codec, hda_nid_t nid,
 333                            int supports_vref)
 334 {
 335         unsigned int pinctls;
 336
 337         pinctls = snd_hda_codec_read(codec, nid, 0,
 338                                      AC_VERB_GET_PIN_WIDGET_CONTROL, 0);
 339         snd_iprintf(buffer, "  Pin-ctls: 0x%02x:", pinctls);
 340         if (pinctls & AC_PINCTL_IN_EN)
 341                 snd_iprintf(buffer, " IN");
 342         if (pinctls & AC_PINCTL_OUT_EN)
 343                 snd_iprintf(buffer, " OUT");
 344         if (pinctls & AC_PINCTL_HP_EN)
 345                 snd_iprintf(buffer, " HP");
 346         if (supports_vref) {
 347                 int vref = pinctls & AC_PINCTL_VREFEN;
 348                 switch (vref) {
 349                 case AC_PINCTL_VREF_HIZ:
 350                         snd_iprintf(buffer, " VREF_HIZ");
 351                         break;
 352                 case AC_PINCTL_VREF_50:
 353                         snd_iprintf(buffer, " VREF_50");
 354                         break;
 355                 case AC_PINCTL_VREF_GRD:
 356                         snd_iprintf(buffer, " VREF_GRD");
 357                         break;
 358                 case AC_PINCTL_VREF_80:
 359                         snd_iprintf(buffer, " VREF_80");
 360                         break;
 361                 case AC_PINCTL_VREF_100:
 362                         snd_iprintf(buffer, " VREF_100");
 363                         break;
 364                 }
 365         }
 366         snd_iprintf(buffer, "\n");
 367 }
 368
 369 static void print_vol_knob(struct snd_info_buffer *buffer,
 370                            struct hda_codec *codec, hda_nid_t nid)
 371 {
 372         unsigned int cap = snd_hda_param_read(codec, nid,
 373                                               AC_PAR_VOL_KNB_CAP);
 374         snd_iprintf(buffer, "  Volume-Knob: delta=%d, steps=%d, ",
 375                     (cap >> 7) & 1, cap & 0x7f);
 376         cap = snd_hda_codec_read(codec, nid, 0,
 377                                  AC_VERB_GET_VOLUME_KNOB_CONTROL, 0);
 378         snd_iprintf(buffer, "direct=%d, val=%d\n",
 379                     (cap >> 7) & 1, cap & 0x7f);
 380 }
 381
 382 static void print_audio_io(struct snd_info_buffer *buffer,
 383                            struct hda_codec *codec, hda_nid_t nid,
 384                            unsigned int wid_type)
 385 {
 386         int conv = snd_hda_codec_read(codec, nid, 0, AC_VERB_GET_CONV, 0);
 387         snd_iprintf(buffer,
 388                     "  Converter: stream=%d, channel=%d\n",
 389                     (conv & AC_CONV_STREAM) >> AC_CONV_STREAM_SHIFT,
 390                     conv & AC_CONV_CHANNEL);
 391
 392         if (wid_type == AC_WID_AUD_IN && (conv & AC_CONV_CHANNEL) == 0) {
 393                 int sdi = snd_hda_codec_read(codec, nid, 0,
 394                                              AC_VERB_GET_SDI_SELECT, 0);
 395                 snd_iprintf(buffer, "  SDI-Select: %d\n",
 396                             sdi & AC_SDI_SELECT);
 397         }
 398 }
 399
 400 static void print_digital_conv(struct snd_info_buffer *buffer,
 401                                struct hda_codec *codec, hda_nid_t nid)
 402 {
 403         unsigned int digi1 = snd_hda_codec_read(codec, nid, 0,
 404                                                 AC_VERB_GET_DIGI_CONVERT_1, 0);
 405         snd_iprintf(buffer, "  Digital:");
 406         if (digi1 & AC_DIG1_ENABLE)
 407                 snd_iprintf(buffer, " Enabled");
 408         if (digi1 & AC_DIG1_V)
 409                 snd_iprintf(buffer, " Validity");
 410         if (digi1 & AC_DIG1_VCFG)
 411                 snd_iprintf(buffer, " ValidityCfg");
 412         if (digi1 & AC_DIG1_EMPHASIS)
 413                 snd_iprintf(buffer, " Preemphasis");
 414         if (digi1 & AC_DIG1_COPYRIGHT)
 415                 snd_iprintf(buffer, " Non-Copyright");
 416         if (digi1 & AC_DIG1_NONAUDIO)
 417                 snd_iprintf(buffer, " Non-Audio");
 418         if (digi1 & AC_DIG1_PROFESSIONAL)
 419                 snd_iprintf(buffer, " Pro");
 420         if (digi1 & AC_DIG1_LEVEL)
 421                 snd_iprintf(buffer, " GenLevel");
 422         snd_iprintf(buffer, "\n");
 423         snd_iprintf(buffer, "  Digital category: 0x%x\n",
 424                     (digi1 >> 8) & AC_DIG2_CC);
 425 }
 426
 427 static const char *get_pwr_state(u32 state)
 428 {
 429         static const char * const buf[] = {
 430                 "D0", "D1", "D2", "D3", "D3cold"
 431         };
 432         if (state < ARRAY_SIZE(buf))
 433                 return buf[state];
 434         return "UNKNOWN";
 435 }
 436
 437 static void print_power_state(struct snd_info_buffer *buffer,
 438                               struct hda_codec *codec, hda_nid_t nid)
 439 {
 440         static char *names[] = {
 441                 [ilog2(AC_PWRST_D0SUP)]         = "D0",
 442                 [ilog2(AC_PWRST_D1SUP)]         = "D1",
 443                 [ilog2(AC_PWRST_D2SUP)]         = "D2",
 444                 [ilog2(AC_PWRST_D3SUP)]         = "D3",
 445                 [ilog2(AC_PWRST_D3COLDSUP)]     = "D3cold",
 446                 [ilog2(AC_PWRST_S3D3COLDSUP)]   = "S3D3cold",
 447                 [ilog2(AC_PWRST_CLKSTOP)]       = "CLKSTOP",
 448                 [ilog2(AC_PWRST_EPSS)]          = "EPSS",
 449         };
 450
 451         int sup = snd_hda_param_read(codec, nid, AC_PAR_POWER_STATE);
 452         int pwr = snd_hda_codec_read(codec, nid, 0,
 453                                      AC_VERB_GET_POWER_STATE, 0);
 454         if (sup != -1)
 455                 snd_iprintf(buffer, "  Power states: %s\n",
 456                             bits_names(sup, names, ARRAY_SIZE(names)));
 457
 458         snd_iprintf(buffer, "  Power: setting=%s, actual=%s",
 459                     get_pwr_state(pwr & AC_PWRST_SETTING),
 460                     get_pwr_state((pwr & AC_PWRST_ACTUAL) >>
 461                                   AC_PWRST_ACTUAL_SHIFT));
 462         if (pwr & AC_PWRST_ERROR)
 463                 snd_iprintf(buffer, ", Error");
 464         if (pwr & AC_PWRST_CLK_STOP_OK)
 465                 snd_iprintf(buffer, ", Clock-stop-OK");
 466         if (pwr & AC_PWRST_SETTING_RESET)
 467                 snd_iprintf(buffer, ", Setting-reset");
 468         snd_iprintf(buffer, "\n");
 469 }
 470
 471 static void print_unsol_cap(struct snd_info_buffer *buffer,
 472                               struct hda_codec *codec, hda_nid_t nid)
 473 {
 474         int unsol = snd_hda_codec_read(codec, nid, 0,
 475                                        AC_VERB_GET_UNSOLICITED_RESPONSE, 0);
 476         snd_iprintf(buffer,
 477                     "  Unsolicited: tag=%02x, enabled=%d\n",
 478                     unsol & AC_UNSOL_TAG,
 479                     (unsol & AC_UNSOL_ENABLED) ? 1 : 0);
 480 }
 481
 482 static void print_proc_caps(struct snd_info_buffer *buffer,
 483                             struct hda_codec *codec, hda_nid_t nid)
 484 {
 485         unsigned int proc_caps = snd_hda_param_read(codec, nid,
 486                                                     AC_PAR_PROC_CAP);
 487         snd_iprintf(buffer, "  Processing caps: benign=%d, ncoeff=%d\n",
 488                     proc_caps & AC_PCAP_BENIGN,
 489                     (proc_caps & AC_PCAP_NUM_COEF) >> AC_PCAP_NUM_COEF_SHIFT);
 490 }
 491
 492 static void print_conn_list(struct snd_info_buffer *buffer,
 493                             struct hda_codec *codec, hda_nid_t nid,
 494                             unsigned int wid_type, hda_nid_t *conn,
 495                             int conn_len)
 496 {
 497         int c, curr = -1;
 498
 499         if (conn_len > 1 &&
 500             wid_type != AC_WID_AUD_MIX &&
 501             wid_type != AC_WID_VOL_KNB &&
 502             wid_type != AC_WID_POWER)
 503                 curr = snd_hda_codec_read(codec, nid, 0,
 504                                           AC_VERB_GET_CONNECT_SEL, 0);
 505         snd_iprintf(buffer, "  Connection: %d\n", conn_len);
 506         if (conn_len > 0) {
 507                 snd_iprintf(buffer, "    ");
 508                 for (c = 0; c < conn_len; c++) {
 509                         snd_iprintf(buffer, " 0x%02x", conn[c]);
 510                         if (c == curr)
 511                                 snd_iprintf(buffer, "*");
 512                 }
 513                 snd_iprintf(buffer, "\n");
 514         }
 515 }
 516
 517 static void print_gpio(struct snd_info_buffer *buffer,
 518                        struct hda_codec *codec, hda_nid_t nid)
 519 {
 520         unsigned int gpio =
 521                 snd_hda_param_read(codec, codec->afg, AC_PAR_GPIO_CAP);
 522         unsigned int enable, direction, wake, unsol, sticky, data;
 523         int i, max;
 524         snd_iprintf(buffer, "GPIO: io=%d, o=%d, i=%d, "
 525                     "unsolicited=%d, wake=%d\n",
 526                     gpio & AC_GPIO_IO_COUNT,
 527                     (gpio & AC_GPIO_O_COUNT) >> AC_GPIO_O_COUNT_SHIFT,
 528                     (gpio & AC_GPIO_I_COUNT) >> AC_GPIO_I_COUNT_SHIFT,
 529                     (gpio & AC_GPIO_UNSOLICITED) ? 1 : 0,
 530                     (gpio & AC_GPIO_WAKE) ? 1 : 0);
 531         max = gpio & AC_GPIO_IO_COUNT;
 532         if (!max || max > 8)
 533                 return;
 534         enable = snd_hda_codec_read(codec, nid, 0,
 535                                     AC_VERB_GET_GPIO_MASK, 0);
 536         direction = snd_hda_codec_read(codec, nid, 0,
 537                                        AC_VERB_GET_GPIO_DIRECTION, 0);
 538         wake = snd_hda_codec_read(codec, nid, 0,
 539                                   AC_VERB_GET_GPIO_WAKE_MASK, 0);
 540         unsol  = snd_hda_codec_read(codec, nid, 0,
 541                                     AC_VERB_GET_GPIO_UNSOLICITED_RSP_MASK, 0);
 542         sticky = snd_hda_codec_read(codec, nid, 0,
 543                                     AC_VERB_GET_GPIO_STICKY_MASK, 0);
 544         data = snd_hda_codec_read(codec, nid, 0,
 545                                   AC_VERB_GET_GPIO_DATA, 0);
 546         for (i = 0; i < max; ++i)
 547                 snd_iprintf(buffer,
 548                             "  IO[%d]: enable=%d, dir=%d, wake=%d, "
 549                             "sticky=%d, data=%d, unsol=%d\n", i,
 550                             (enable & (1<<i)) ? 1 : 0,
 551                             (direction & (1<<i)) ? 1 : 0,
 552                             (wake & (1<<i)) ? 1 : 0,
 553                             (sticky & (1<<i)) ? 1 : 0,
 554                             (data & (1<<i)) ? 1 : 0,
 555                             (unsol & (1<<i)) ? 1 : 0);
 556         /* FIXME: add GPO and GPI pin information */
 557         print_nid_array(buffer, codec, nid, &codec->mixers);
 558         print_nid_array(buffer, codec, nid, &codec->nids);
 559 }
 560
 561 static void print_codec_info(struct snd_info_entry *entry,
 562                              struct snd_info_buffer *buffer)
 563 {
 564         struct hda_codec *codec = entry->private_data;
 565         hda_nid_t nid;
 566         int i, nodes;
 567
 568         snd_iprintf(buffer, "Codec: ");
 569         if (codec->vendor_name && codec->chip_name)
 570                 snd_iprintf(buffer, "%s %s\n",
 571                             codec->vendor_name, codec->chip_name);
 572         else
 573                 snd_iprintf(buffer, "Not Set\n");
 574         snd_iprintf(buffer, "Address: %d\n", codec->addr);
 575         if (codec->afg)
 576                 snd_iprintf(buffer, "AFG Function Id: 0x%x (unsol %u)\n",
 577                         codec->afg_function_id, codec->afg_unsol);
 578         if (codec->mfg)
 579                 snd_iprintf(buffer, "MFG Function Id: 0x%x (unsol %u)\n",
 580                         codec->mfg_function_id, codec->mfg_unsol);
 581         snd_iprintf(buffer, "Vendor Id: 0x%08x\n", codec->vendor_id);
 582         snd_iprintf(buffer, "Subsystem Id: 0x%08x\n", codec->subsystem_id);
 583         snd_iprintf(buffer, "Revision Id: 0x%x\n", codec->revision_id);
 584
 585         if (codec->mfg)
 586                 snd_iprintf(buffer, "Modem Function Group: 0x%x\n", codec->mfg);
 587         else
 588                 snd_iprintf(buffer, "No Modem Function Group found\n");
 589
 590         if (! codec->afg)
 591                 return;
 592         snd_hda_power_up(codec);
 593         snd_iprintf(buffer, "Default PCM:\n");
 594         print_pcm_caps(buffer, codec, codec->afg);
 595         snd_iprintf(buffer, "Default Amp-In caps: ");
 596         print_amp_caps(buffer, codec, codec->afg, HDA_INPUT);
 597         snd_iprintf(buffer, "Default Amp-Out caps: ");
 598         print_amp_caps(buffer, codec, codec->afg, HDA_OUTPUT);
 599
 600         nodes = snd_hda_get_sub_nodes(codec, codec->afg, &nid);
 601         if (! nid || nodes < 0) {
 602                 snd_iprintf(buffer, "Invalid AFG subtree\n");
 603                 snd_hda_power_down(codec);
 604                 return;
 605         }
 606
 607         print_gpio(buffer, codec, codec->afg);
 608         if (codec->proc_widget_hook)
 609                 codec->proc_widget_hook(buffer, codec, codec->afg);
 610
 611         for (i = 0; i < nodes; i++, nid++) {
 612                 unsigned int wid_caps =
 613                         snd_hda_param_read(codec, nid,
 614                                            AC_PAR_AUDIO_WIDGET_CAP);
 615                 unsigned int wid_type = get_wcaps_type(wid_caps);
 616                 hda_nid_t conn[HDA_MAX_CONNECTIONS];
 617                 int conn_len = 0;
 618
 619                 snd_iprintf(buffer, "Node 0x%02x [%s] wcaps 0x%x:", nid,
 620                             get_wid_type_name(wid_type), wid_caps);
 621                 if (wid_caps & AC_WCAP_STEREO) {
 622                         unsigned int chans = get_wcaps_channels(wid_caps);
 623                         if (chans == 2)
 624                                 snd_iprintf(buffer, " Stereo");
 625                         else
 626                                 snd_iprintf(buffer, " %d-Channels", chans);
 627                 } else
 628                         snd_iprintf(buffer, " Mono");
 629                 if (wid_caps & AC_WCAP_DIGITAL)
 630                         snd_iprintf(buffer, " Digital");
 631                 if (wid_caps & AC_WCAP_IN_AMP)
 632                         snd_iprintf(buffer, " Amp-In");
 633                 if (wid_caps & AC_WCAP_OUT_AMP)
 634                         snd_iprintf(buffer, " Amp-Out");
 635                 if (wid_caps & AC_WCAP_STRIPE)
 636                         snd_iprintf(buffer, " Stripe");
 637                 if (wid_caps & AC_WCAP_LR_SWAP)
 638                         snd_iprintf(buffer, " R/L");
 639                 if (wid_caps & AC_WCAP_CP_CAPS)
 640                         snd_iprintf(buffer, " CP");
 641                 snd_iprintf(buffer, "\n");
 642
 643                 print_nid_array(buffer, codec, nid, &codec->mixers);
 644                 print_nid_array(buffer, codec, nid, &codec->nids);
 645                 print_nid_pcms(buffer, codec, nid);
 646
 647                 /* volume knob is a special widget that always have connection
 648                  * list
 649                  */
 650                 if (wid_type == AC_WID_VOL_KNB)
 651                         wid_caps |= AC_WCAP_CONN_LIST;
 652
 653                 if (wid_caps & AC_WCAP_CONN_LIST)
 654                         conn_len = snd_hda_get_raw_connections(codec, nid, conn,
 655                                                            HDA_MAX_CONNECTIONS);
 656
 657                 if (wid_caps & AC_WCAP_IN_AMP) {
 658                         snd_iprintf(buffer, "  Amp-In caps: ");
 659                         print_amp_caps(buffer, codec, nid, HDA_INPUT);
 660                         snd_iprintf(buffer, "  Amp-In vals: ");
 661                         if (wid_type == AC_WID_PIN ||
 662                             (codec->single_adc_amp &&
 663                              wid_type == AC_WID_AUD_IN))
 664                                 print_amp_vals(buffer, codec, nid, HDA_INPUT,
 665                                                wid_caps & AC_WCAP_STEREO,
 666                                                1);
 667                         else
 668                                 print_amp_vals(buffer, codec, nid, HDA_INPUT,
 669                                                wid_caps & AC_WCAP_STEREO,
 670                                                conn_len);
 671                 }
 672                 if (wid_caps & AC_WCAP_OUT_AMP) {
 673                         snd_iprintf(buffer, "  Amp-Out caps: ");
 674                         print_amp_caps(buffer, codec, nid, HDA_OUTPUT);
 675                         snd_iprintf(buffer, "  Amp-Out vals: ");
 676                         if (wid_type == AC_WID_PIN &&
 677                             codec->pin_amp_workaround)
 678                                 print_amp_vals(buffer, codec, nid, HDA_OUTPUT,
 679                                                wid_caps & AC_WCAP_STEREO,
 680                                                conn_len);
 681                         else
 682                                 print_amp_vals(buffer, codec, nid, HDA_OUTPUT,
 683                                                wid_caps & AC_WCAP_STEREO, 1);
 684                 }
 685
 686                 switch (wid_type) {
 687                 case AC_WID_PIN: {
 688                         int supports_vref;
 689                         print_pin_caps(buffer, codec, nid, &supports_vref);
 690                         print_pin_ctls(buffer, codec, nid, supports_vref);
 691                         break;
 692                 }
 693                 case AC_WID_VOL_KNB:
 694                         print_vol_knob(buffer, codec, nid);
 695                         break;
 696                 case AC_WID_AUD_OUT:
 697                 case AC_WID_AUD_IN:
 698                         print_audio_io(buffer, codec, nid, wid_type);
 699                         if (wid_caps & AC_WCAP_DIGITAL)
 700                                 print_digital_conv(buffer, codec, nid);
 701                         if (wid_caps & AC_WCAP_FORMAT_OVRD) {
 702                                 snd_iprintf(buffer, "  PCM:\n");
 703                                 print_pcm_caps(buffer, codec, nid);
 704                         }
 705                         break;
 706                 }
 707
 708                 if (wid_caps & AC_WCAP_UNSOL_CAP)
 709                         print_unsol_cap(buffer, codec, nid);
 710
 711                 if (wid_caps & AC_WCAP_POWER)
 712                         print_power_state(buffer, codec, nid);
 713
 714                 if (wid_caps & AC_WCAP_DELAY)
 715                         snd_iprintf(buffer, "  Delay: %d samples\n",
 716                                     (wid_caps & AC_WCAP_DELAY) >>
 717                                     AC_WCAP_DELAY_SHIFT);
 718
 719                 if (wid_caps & AC_WCAP_CONN_LIST)
 720                         print_conn_list(buffer, codec, nid, wid_type,
 721                                         conn, conn_len);
 722
 723                 if (wid_caps & AC_WCAP_PROC_WID)
 724                         print_proc_caps(buffer, codec, nid);
 725
 726                 if (codec->proc_widget_hook)
 727                         codec->proc_widget_hook(buffer, codec, nid);
 728         }
 729         snd_hda_power_down(codec);
 730 }
 731
 732 /*
 733  * create a proc read
 734  */
 735 int snd_hda_codec_proc_new(struct hda_codec *codec)
 736 {
 737         char name[32];
 738         struct snd_info_entry *entry;
 739         int err;
 740
 741         snprintf(name, sizeof(name), "codec#%d", codec->addr);
 742         err = snd_card_proc_new(codec->bus->card, name, &entry);
 743         if (err < 0)
 744                 return err;
 745
 746         snd_info_set_text_ops(entry, codec, print_codec_info);
 747         return 0;
 748 }
 749