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