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