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                         if (caps & AC_PINCAP_HBR)
 245                                 snd_iprintf(buffer, " HBR");
 246                         snd_iprintf(buffer, " HDMI");
 247                 }
 248         }
 249         if (caps & AC_PINCAP_DP)
 250                 snd_iprintf(buffer, " DP");
 251         if (caps & AC_PINCAP_TRIG_REQ)
 252                 snd_iprintf(buffer, " Trigger");
 253         if (caps & AC_PINCAP_IMP_SENSE)
 254                 snd_iprintf(buffer, " ImpSense");
 255         snd_iprintf(buffer, "\n");
 256         if (caps & AC_PINCAP_VREF) {
 257                 unsigned int vref =
 258                         (caps & AC_PINCAP_VREF) >> AC_PINCAP_VREF_SHIFT;
 259                 snd_iprintf(buffer, "    Vref caps:");
 260                 if (vref & AC_PINCAP_VREF_HIZ)
 261                         snd_iprintf(buffer, " HIZ");
 262                 if (vref & AC_PINCAP_VREF_50)
 263                         snd_iprintf(buffer, " 50");
 264                 if (vref & AC_PINCAP_VREF_GRD)
 265                         snd_iprintf(buffer, " GRD");
 266                 if (vref & AC_PINCAP_VREF_80)
 267                         snd_iprintf(buffer, " 80");
 268                 if (vref & AC_PINCAP_VREF_100)
 269                         snd_iprintf(buffer, " 100");
 270                 snd_iprintf(buffer, "\n");
 271                 *supports_vref = 1;
 272         } else
 273                 *supports_vref = 0;
 274         if (caps & AC_PINCAP_EAPD) {
 275                 val = snd_hda_codec_read(codec, nid, 0,
 276                                          AC_VERB_GET_EAPD_BTLENABLE, 0);
 277                 snd_iprintf(buffer, "  EAPD 0x%x:", val);
 278                 if (val & AC_EAPDBTL_BALANCED)
 279                         snd_iprintf(buffer, " BALANCED");
 280                 if (val & AC_EAPDBTL_EAPD)
 281                         snd_iprintf(buffer, " EAPD");
 282                 if (val & AC_EAPDBTL_LR_SWAP)
 283                         snd_iprintf(buffer, " R/L");
 284                 snd_iprintf(buffer, "\n");
 285         }
 286         caps = snd_hda_codec_read(codec, nid, 0, AC_VERB_GET_CONFIG_DEFAULT, 0);
 287         snd_iprintf(buffer, "  Pin Default 0x%08x: [%s] %s at %s %s\n", caps,
 288                     jack_conns[(caps & AC_DEFCFG_PORT_CONN) >> AC_DEFCFG_PORT_CONN_SHIFT],
 289                     snd_hda_get_jack_type(caps),
 290                     snd_hda_get_jack_connectivity(caps),
 291                     snd_hda_get_jack_location(caps));
 292         snd_iprintf(buffer, "    Conn = %s, Color = %s\n",
 293                     get_jack_connection(caps),
 294                     get_jack_color(caps));
 295         /* Default association and sequence values refer to default grouping
 296          * of pin complexes and their sequence within the group. This is used
 297          * for priority and resource allocation.
 298          */
 299         snd_iprintf(buffer, "    DefAssociation = 0x%x, Sequence = 0x%x\n",
 300                     (caps & AC_DEFCFG_DEF_ASSOC) >> AC_DEFCFG_ASSOC_SHIFT,
 301                     caps & AC_DEFCFG_SEQUENCE);
 302         if (((caps & AC_DEFCFG_MISC) >> AC_DEFCFG_MISC_SHIFT) &
 303             AC_DEFCFG_MISC_NO_PRESENCE) {
 304                 /* Miscellaneous bit indicates external hardware does not
 305                  * support presence detection even if the pin complex
 306                  * indicates it is supported.
 307                  */
 308                 snd_iprintf(buffer, "    Misc = NO_PRESENCE\n");
 309         }
 310 }
 311
 312 static void print_pin_ctls(struct snd_info_buffer *buffer,
 313                            struct hda_codec *codec, hda_nid_t nid,
 314                            int supports_vref)
 315 {
 316         unsigned int pinctls;
 317
 318         pinctls = snd_hda_codec_read(codec, nid, 0,
 319                                      AC_VERB_GET_PIN_WIDGET_CONTROL, 0);
 320         snd_iprintf(buffer, "  Pin-ctls: 0x%02x:", pinctls);
 321         if (pinctls & AC_PINCTL_IN_EN)
 322                 snd_iprintf(buffer, " IN");
 323         if (pinctls & AC_PINCTL_OUT_EN)
 324                 snd_iprintf(buffer, " OUT");
 325         if (pinctls & AC_PINCTL_HP_EN)
 326                 snd_iprintf(buffer, " HP");
 327         if (supports_vref) {
 328                 int vref = pinctls & AC_PINCTL_VREFEN;
 329                 switch (vref) {
 330                 case AC_PINCTL_VREF_HIZ:
 331                         snd_iprintf(buffer, " VREF_HIZ");
 332                         break;
 333                 case AC_PINCTL_VREF_50:
 334                         snd_iprintf(buffer, " VREF_50");
 335                         break;
 336                 case AC_PINCTL_VREF_GRD:
 337                         snd_iprintf(buffer, " VREF_GRD");
 338                         break;
 339                 case AC_PINCTL_VREF_80:
 340                         snd_iprintf(buffer, " VREF_80");
 341                         break;
 342                 case AC_PINCTL_VREF_100:
 343                         snd_iprintf(buffer, " VREF_100");
 344                         break;
 345                 }
 346         }
 347         snd_iprintf(buffer, "\n");
 348 }
 349
 350 static void print_vol_knob(struct snd_info_buffer *buffer,
 351                            struct hda_codec *codec, hda_nid_t nid)
 352 {
 353         unsigned int cap = snd_hda_param_read(codec, nid,
 354                                               AC_PAR_VOL_KNB_CAP);
 355         snd_iprintf(buffer, "  Volume-Knob: delta=%d, steps=%d, ",
 356                     (cap >> 7) & 1, cap & 0x7f);
 357         cap = snd_hda_codec_read(codec, nid, 0,
 358                                  AC_VERB_GET_VOLUME_KNOB_CONTROL, 0);
 359         snd_iprintf(buffer, "direct=%d, val=%d\n",
 360                     (cap >> 7) & 1, cap & 0x7f);
 361 }
 362
 363 static void print_audio_io(struct snd_info_buffer *buffer,
 364                            struct hda_codec *codec, hda_nid_t nid,
 365                            unsigned int wid_type)
 366 {
 367         int conv = snd_hda_codec_read(codec, nid, 0, AC_VERB_GET_CONV, 0);
 368         snd_iprintf(buffer,
 369                     "  Converter: stream=%d, channel=%d\n",
 370                     (conv & AC_CONV_STREAM) >> AC_CONV_STREAM_SHIFT,
 371                     conv & AC_CONV_CHANNEL);
 372
 373         if (wid_type == AC_WID_AUD_IN && (conv & AC_CONV_CHANNEL) == 0) {
 374                 int sdi = snd_hda_codec_read(codec, nid, 0,
 375                                              AC_VERB_GET_SDI_SELECT, 0);
 376                 snd_iprintf(buffer, "  SDI-Select: %d\n",
 377                             sdi & AC_SDI_SELECT);
 378         }
 379 }
 380
 381 static void print_digital_conv(struct snd_info_buffer *buffer,
 382                                struct hda_codec *codec, hda_nid_t nid)
 383 {
 384         unsigned int digi1 = snd_hda_codec_read(codec, nid, 0,
 385                                                 AC_VERB_GET_DIGI_CONVERT_1, 0);
 386         snd_iprintf(buffer, "  Digital:");
 387         if (digi1 & AC_DIG1_ENABLE)
 388                 snd_iprintf(buffer, " Enabled");
 389         if (digi1 & AC_DIG1_V)
 390                 snd_iprintf(buffer, " Validity");
 391         if (digi1 & AC_DIG1_VCFG)
 392                 snd_iprintf(buffer, " ValidityCfg");
 393         if (digi1 & AC_DIG1_EMPHASIS)
 394                 snd_iprintf(buffer, " Preemphasis");
 395         if (digi1 & AC_DIG1_COPYRIGHT)
 396                 snd_iprintf(buffer, " Copyright");
 397         if (digi1 & AC_DIG1_NONAUDIO)
 398                 snd_iprintf(buffer, " Non-Audio");
 399         if (digi1 & AC_DIG1_PROFESSIONAL)
 400                 snd_iprintf(buffer, " Pro");
 401         if (digi1 & AC_DIG1_LEVEL)
 402                 snd_iprintf(buffer, " GenLevel");
 403         snd_iprintf(buffer, "\n");
 404         snd_iprintf(buffer, "  Digital category: 0x%x\n",
 405                     (digi1 >> 8) & AC_DIG2_CC);
 406 }
 407
 408 static const char *get_pwr_state(u32 state)
 409 {
 410         static const char *buf[4] = {
 411                 "D0", "D1", "D2", "D3"
 412         };
 413         if (state < 4)
 414                 return buf[state];
 415         return "UNKNOWN";
 416 }
 417
 418 static void print_power_state(struct snd_info_buffer *buffer,
 419                               struct hda_codec *codec, hda_nid_t nid)
 420 {
 421         static char *names[] = {
 422                 [ilog2(AC_PWRST_D0SUP)]         = "D0",
 423                 [ilog2(AC_PWRST_D1SUP)]         = "D1",
 424                 [ilog2(AC_PWRST_D2SUP)]         = "D2",
 425                 [ilog2(AC_PWRST_D3SUP)]         = "D3",
 426                 [ilog2(AC_PWRST_D3COLDSUP)]     = "D3cold",
 427                 [ilog2(AC_PWRST_S3D3COLDSUP)]   = "S3D3cold",
 428                 [ilog2(AC_PWRST_CLKSTOP)]       = "CLKSTOP",
 429                 [ilog2(AC_PWRST_EPSS)]          = "EPSS",
 430         };
 431
 432         int sup = snd_hda_param_read(codec, nid, AC_PAR_POWER_STATE);
 433         int pwr = snd_hda_codec_read(codec, nid, 0,
 434                                      AC_VERB_GET_POWER_STATE, 0);
 435         if (sup)
 436                 snd_iprintf(buffer, "  Power states: %s\n",
 437                             bits_names(sup, names, ARRAY_SIZE(names)));
 438
 439         snd_iprintf(buffer, "  Power: setting=%s, actual=%s\n",
 440                     get_pwr_state(pwr & AC_PWRST_SETTING),
 441                     get_pwr_state((pwr & AC_PWRST_ACTUAL) >>
 442                                   AC_PWRST_ACTUAL_SHIFT));
 443 }
 444
 445 static void print_unsol_cap(struct snd_info_buffer *buffer,
 446                               struct hda_codec *codec, hda_nid_t nid)
 447 {
 448         int unsol = snd_hda_codec_read(codec, nid, 0,
 449                                        AC_VERB_GET_UNSOLICITED_RESPONSE, 0);
 450         snd_iprintf(buffer,
 451                     "  Unsolicited: tag=%02x, enabled=%d\n",
 452                     unsol & AC_UNSOL_TAG,
 453                     (unsol & AC_UNSOL_ENABLED) ? 1 : 0);
 454 }
 455
 456 static void print_proc_caps(struct snd_info_buffer *buffer,
 457                             struct hda_codec *codec, hda_nid_t nid)
 458 {
 459         unsigned int proc_caps = snd_hda_param_read(codec, nid,
 460                                                     AC_PAR_PROC_CAP);
 461         snd_iprintf(buffer, "  Processing caps: benign=%d, ncoeff=%d\n",
 462                     proc_caps & AC_PCAP_BENIGN,
 463                     (proc_caps & AC_PCAP_NUM_COEF) >> AC_PCAP_NUM_COEF_SHIFT);
 464 }
 465
 466 static void print_conn_list(struct snd_info_buffer *buffer,
 467                             struct hda_codec *codec, hda_nid_t nid,
 468                             unsigned int wid_type, hda_nid_t *conn,
 469                             int conn_len)
 470 {
 471         int c, curr = -1;
 472
 473         if (conn_len > 1 &&
 474             wid_type != AC_WID_AUD_MIX &&
 475             wid_type != AC_WID_VOL_KNB &&
 476             wid_type != AC_WID_POWER)
 477                 curr = snd_hda_codec_read(codec, nid, 0,
 478                                           AC_VERB_GET_CONNECT_SEL, 0);
 479         snd_iprintf(buffer, "  Connection: %d\n", conn_len);
 480         if (conn_len > 0) {
 481                 snd_iprintf(buffer, "    ");
 482                 for (c = 0; c < conn_len; c++) {
 483                         snd_iprintf(buffer, " 0x%02x", conn[c]);
 484                         if (c == curr)
 485                                 snd_iprintf(buffer, "*");
 486                 }
 487                 snd_iprintf(buffer, "\n");
 488         }
 489 }
 490
 491 static void print_gpio(struct snd_info_buffer *buffer,
 492                        struct hda_codec *codec, hda_nid_t nid)
 493 {
 494         unsigned int gpio =
 495                 snd_hda_param_read(codec, codec->afg, AC_PAR_GPIO_CAP);
 496         unsigned int enable, direction, wake, unsol, sticky, data;
 497         int i, max;
 498         snd_iprintf(buffer, "GPIO: io=%d, o=%d, i=%d, "
 499                     "unsolicited=%d, wake=%d\n",
 500                     gpio & AC_GPIO_IO_COUNT,
 501                     (gpio & AC_GPIO_O_COUNT) >> AC_GPIO_O_COUNT_SHIFT,
 502                     (gpio & AC_GPIO_I_COUNT) >> AC_GPIO_I_COUNT_SHIFT,
 503                     (gpio & AC_GPIO_UNSOLICITED) ? 1 : 0,
 504                     (gpio & AC_GPIO_WAKE) ? 1 : 0);
 505         max = gpio & AC_GPIO_IO_COUNT;
 506         if (!max || max > 8)
 507                 return;
 508         enable = snd_hda_codec_read(codec, nid, 0,
 509                                     AC_VERB_GET_GPIO_MASK, 0);
 510         direction = snd_hda_codec_read(codec, nid, 0,
 511                                        AC_VERB_GET_GPIO_DIRECTION, 0);
 512         wake = snd_hda_codec_read(codec, nid, 0,
 513                                   AC_VERB_GET_GPIO_WAKE_MASK, 0);
 514         unsol  = snd_hda_codec_read(codec, nid, 0,
 515                                     AC_VERB_GET_GPIO_UNSOLICITED_RSP_MASK, 0);
 516         sticky = snd_hda_codec_read(codec, nid, 0,
 517                                     AC_VERB_GET_GPIO_STICKY_MASK, 0);
 518         data = snd_hda_codec_read(codec, nid, 0,
 519                                   AC_VERB_GET_GPIO_DATA, 0);
 520         for (i = 0; i < max; ++i)
 521                 snd_iprintf(buffer,
 522                             "  IO[%d]: enable=%d, dir=%d, wake=%d, "
 523                             "sticky=%d, data=%d, unsol=%d\n", i,
 524                             (enable & (1<<i)) ? 1 : 0,
 525                             (direction & (1<<i)) ? 1 : 0,
 526                             (wake & (1<<i)) ? 1 : 0,
 527                             (sticky & (1<<i)) ? 1 : 0,
 528                             (data & (1<<i)) ? 1 : 0,
 529                             (unsol & (1<<i)) ? 1 : 0);
 530         /* FIXME: add GPO and GPI pin information */
 531         print_nid_mixers(buffer, codec, nid);
 532 }
 533
 534 static void print_codec_info(struct snd_info_entry *entry,
 535                              struct snd_info_buffer *buffer)
 536 {
 537         struct hda_codec *codec = entry->private_data;
 538         hda_nid_t nid;
 539         int i, nodes;
 540
 541         snd_iprintf(buffer, "Codec: ");
 542         if (codec->vendor_name && codec->chip_name)
 543                 snd_iprintf(buffer, "%s %s\n",
 544                             codec->vendor_name, codec->chip_name);
 545         else
 546                 snd_iprintf(buffer, "Not Set\n");
 547         snd_iprintf(buffer, "Address: %d\n", codec->addr);
 548         snd_iprintf(buffer, "Function Id: 0x%x\n", codec->function_id);
 549         snd_iprintf(buffer, "Vendor Id: 0x%08x\n", codec->vendor_id);
 550         snd_iprintf(buffer, "Subsystem Id: 0x%08x\n", codec->subsystem_id);
 551         snd_iprintf(buffer, "Revision Id: 0x%x\n", codec->revision_id);
 552
 553         if (codec->mfg)
 554                 snd_iprintf(buffer, "Modem Function Group: 0x%x\n", codec->mfg);
 555         else
 556                 snd_iprintf(buffer, "No Modem Function Group found\n");
 557
 558         if (! codec->afg)
 559                 return;
 560         snd_hda_power_up(codec);
 561         snd_iprintf(buffer, "Default PCM:\n");
 562         print_pcm_caps(buffer, codec, codec->afg);
 563         snd_iprintf(buffer, "Default Amp-In caps: ");
 564         print_amp_caps(buffer, codec, codec->afg, HDA_INPUT);
 565         snd_iprintf(buffer, "Default Amp-Out caps: ");
 566         print_amp_caps(buffer, codec, codec->afg, HDA_OUTPUT);
 567
 568         nodes = snd_hda_get_sub_nodes(codec, codec->afg, &nid);
 569         if (! nid || nodes < 0) {
 570                 snd_iprintf(buffer, "Invalid AFG subtree\n");
 571                 snd_hda_power_down(codec);
 572                 return;
 573         }
 574
 575         print_gpio(buffer, codec, codec->afg);
 576         if (codec->proc_widget_hook)
 577                 codec->proc_widget_hook(buffer, codec, codec->afg);
 578
 579         for (i = 0; i < nodes; i++, nid++) {
 580                 unsigned int wid_caps =
 581                         snd_hda_param_read(codec, nid,
 582                                            AC_PAR_AUDIO_WIDGET_CAP);
 583                 unsigned int wid_type = get_wcaps_type(wid_caps);
 584                 hda_nid_t conn[HDA_MAX_CONNECTIONS];
 585                 int conn_len = 0;
 586
 587                 snd_iprintf(buffer, "Node 0x%02x [%s] wcaps 0x%x:", nid,
 588                             get_wid_type_name(wid_type), wid_caps);
 589                 if (wid_caps & AC_WCAP_STEREO) {
 590                         unsigned int chans = get_wcaps_channels(wid_caps);
 591                         if (chans == 2)
 592                                 snd_iprintf(buffer, " Stereo");
 593                         else
 594                                 snd_iprintf(buffer, " %d-Channels", chans);
 595                 } else
 596                         snd_iprintf(buffer, " Mono");
 597                 if (wid_caps & AC_WCAP_DIGITAL)
 598                         snd_iprintf(buffer, " Digital");
 599                 if (wid_caps & AC_WCAP_IN_AMP)
 600                         snd_iprintf(buffer, " Amp-In");
 601                 if (wid_caps & AC_WCAP_OUT_AMP)
 602                         snd_iprintf(buffer, " Amp-Out");
 603                 if (wid_caps & AC_WCAP_STRIPE)
 604                         snd_iprintf(buffer, " Stripe");
 605                 if (wid_caps & AC_WCAP_LR_SWAP)
 606                         snd_iprintf(buffer, " R/L");
 607                 if (wid_caps & AC_WCAP_CP_CAPS)
 608                         snd_iprintf(buffer, " CP");
 609                 snd_iprintf(buffer, "\n");
 610
 611                 print_nid_mixers(buffer, codec, nid);
 612                 print_nid_pcms(buffer, codec, nid);
 613
 614                 /* volume knob is a special widget that always have connection
 615                  * list
 616                  */
 617                 if (wid_type == AC_WID_VOL_KNB)
 618                         wid_caps |= AC_WCAP_CONN_LIST;
 619
 620                 if (wid_caps & AC_WCAP_CONN_LIST)
 621                         conn_len = snd_hda_get_connections(codec, nid, conn,
 622                                                            HDA_MAX_CONNECTIONS);
 623
 624                 if (wid_caps & AC_WCAP_IN_AMP) {
 625                         snd_iprintf(buffer, "  Amp-In caps: ");
 626                         print_amp_caps(buffer, codec, nid, HDA_INPUT);
 627                         snd_iprintf(buffer, "  Amp-In vals: ");
 628                         print_amp_vals(buffer, codec, nid, HDA_INPUT,
 629                                        wid_caps & AC_WCAP_STEREO,
 630                                        wid_type == AC_WID_PIN ? 1 : conn_len);
 631                 }
 632                 if (wid_caps & AC_WCAP_OUT_AMP) {
 633                         snd_iprintf(buffer, "  Amp-Out caps: ");
 634                         print_amp_caps(buffer, codec, nid, HDA_OUTPUT);
 635                         snd_iprintf(buffer, "  Amp-Out vals: ");
 636                         if (wid_type == AC_WID_PIN &&
 637                             codec->pin_amp_workaround)
 638                                 print_amp_vals(buffer, codec, nid, HDA_OUTPUT,
 639                                                wid_caps & AC_WCAP_STEREO,
 640                                                conn_len);
 641                         else
 642                                 print_amp_vals(buffer, codec, nid, HDA_OUTPUT,
 643                                                wid_caps & AC_WCAP_STEREO, 1);
 644                 }
 645
 646                 switch (wid_type) {
 647                 case AC_WID_PIN: {
 648                         int supports_vref;
 649                         print_pin_caps(buffer, codec, nid, &supports_vref);
 650                         print_pin_ctls(buffer, codec, nid, supports_vref);
 651                         break;
 652                 }
 653                 case AC_WID_VOL_KNB:
 654                         print_vol_knob(buffer, codec, nid);
 655                         break;
 656                 case AC_WID_AUD_OUT:
 657                 case AC_WID_AUD_IN:
 658                         print_audio_io(buffer, codec, nid, wid_type);
 659                         if (wid_caps & AC_WCAP_DIGITAL)
 660                                 print_digital_conv(buffer, codec, nid);
 661                         if (wid_caps & AC_WCAP_FORMAT_OVRD) {
 662                                 snd_iprintf(buffer, "  PCM:\n");
 663                                 print_pcm_caps(buffer, codec, nid);
 664                         }
 665                         break;
 666                 }
 667
 668                 if (wid_caps & AC_WCAP_UNSOL_CAP)
 669                         print_unsol_cap(buffer, codec, nid);
 670
 671                 if (wid_caps & AC_WCAP_POWER)
 672                         print_power_state(buffer, codec, nid);
 673
 674                 if (wid_caps & AC_WCAP_DELAY)
 675                         snd_iprintf(buffer, "  Delay: %d samples\n",
 676                                     (wid_caps & AC_WCAP_DELAY) >>
 677                                     AC_WCAP_DELAY_SHIFT);
 678
 679                 if (wid_caps & AC_WCAP_CONN_LIST)
 680                         print_conn_list(buffer, codec, nid, wid_type,
 681                                         conn, conn_len);
 682
 683                 if (wid_caps & AC_WCAP_PROC_WID)
 684                         print_proc_caps(buffer, codec, nid);
 685
 686                 if (codec->proc_widget_hook)
 687                         codec->proc_widget_hook(buffer, codec, nid);
 688         }
 689         snd_hda_power_down(codec);
 690 }
 691
 692 /*
 693  * create a proc read
 694  */
 695 int snd_hda_codec_proc_new(struct hda_codec *codec)
 696 {
 697         char name[32];
 698         struct snd_info_entry *entry;
 699         int err;
 700
 701         snprintf(name, sizeof(name), "codec#%d", codec->addr);
 702         err = snd_card_proc_new(codec->bus->card, name, &entry);
 703         if (err < 0)
 704                 return err;
 705
 706         snd_info_set_text_ops(entry, codec, print_codec_info);
 707         return 0;
 708 }
 709