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 <linux/slab.h>
  26 #include <sound/core.h>
  27 #include "hda_codec.h"
  28 #include "hda_local.h"
  29
  30 static char *bits_names(unsigned int bits, char *names[], int size)
  31 {
  32         int i, n;
  33         static char buf[128];
  34
  35         for (i = 0, n = 0; i < size; i++) {
  36                 if (bits & (1U<<i) && names[i])
  37                         n += snprintf(buf + n, sizeof(buf) - n, " %s",
  38                                       names[i]);
  39         }
  40         buf[n] = '\0';
  41
  42         return buf;
  43 }
  44
  45 static const char *get_wid_type_name(unsigned int wid_value)
  46 {
  47         static char *names[16] = {
  48                 [AC_WID_AUD_OUT] = "Audio Output",
  49                 [AC_WID_AUD_IN] = "Audio Input",
  50                 [AC_WID_AUD_MIX] = "Audio Mixer",
  51                 [AC_WID_AUD_SEL] = "Audio Selector",
  52                 [AC_WID_PIN] = "Pin Complex",
  53                 [AC_WID_POWER] = "Power Widget",
  54                 [AC_WID_VOL_KNB] = "Volume Knob Widget",
  55                 [AC_WID_BEEP] = "Beep Generator Widget",
  56                 [AC_WID_VENDOR] = "Vendor Defined Widget",
  57         };
  58         if (wid_value == -1)
  59                 return "UNKNOWN Widget";
  60         wid_value &= 0xf;
  61         if (names[wid_value])
  62                 return names[wid_value];
  63         else
  64                 return "UNKNOWN Widget";
  65 }
  66
  67 static void print_nid_array(struct snd_info_buffer *buffer,
  68                             struct hda_codec *codec, hda_nid_t nid,
  69                             struct snd_array *array)
  70 {
  71         int i;
  72         struct hda_nid_item *items = array->list, *item;
  73         struct snd_kcontrol *kctl;
  74         for (i = 0; i < array->used; i++) {
  75                 item = &items[i];
  76                 if (item->nid == nid) {
  77                         kctl = item->kctl;
  78                         snd_iprintf(buffer,
  79                           "  Control: name=\"%s\", index=%i, device=%i\n",
  80                           kctl->id.name, kctl->id.index + item->index,
  81                           kctl->id.device);
  82                         if (item->flags & HDA_NID_ITEM_AMP)
  83                                 snd_iprintf(buffer,
  84                                   "    ControlAmp: chs=%lu, dir=%s, "
  85                                   "idx=%lu, ofs=%lu\n",
  86                                   get_amp_channels(kctl),
  87                                   get_amp_direction(kctl) ? "Out" : "In",
  88                                   get_amp_index(kctl),
  89                                   get_amp_offset(kctl));
  90                 }
  91         }
  92 }
  93
  94 static void print_nid_pcms(struct snd_info_buffer *buffer,
  95                            struct hda_codec *codec, hda_nid_t nid)
  96 {
  97         int pcm, type;
  98         struct hda_pcm *cpcm;
  99         for (pcm = 0; pcm < codec->num_pcms; pcm++) {
 100                 cpcm = &codec->pcm_info[pcm];
 101                 for (type = 0; type < 2; type++) {
 102                         if (cpcm->stream[type].nid != nid || cpcm->pcm == NULL)
 103                                 continue;
 104                         snd_iprintf(buffer, "  Device: name=\"%s\", "
 105                                     "type=\"%s\", device=%i\n",
 106                                     cpcm->name,
 107                                     snd_hda_pcm_type_name[cpcm->pcm_type],
 108                                     cpcm->pcm->device);
 109                 }
 110         }
 111 }
 112
 113 static void print_amp_caps(struct snd_info_buffer *buffer,
 114                            struct hda_codec *codec, hda_nid_t nid, int dir)
 115 {
 116         unsigned int caps;
 117         caps = snd_hda_param_read(codec, nid,
 118                                   dir == HDA_OUTPUT ?
 119                                     AC_PAR_AMP_OUT_CAP : AC_PAR_AMP_IN_CAP);
 120         if (caps == -1 || caps == 0) {
 121                 snd_iprintf(buffer, "N/A\n");
 122                 return;
 123         }
 124         snd_iprintf(buffer, "ofs=0x%02x, nsteps=0x%02x, stepsize=0x%02x, "
 125                     "mute=%x\n",
 126                     caps & AC_AMPCAP_OFFSET,
 127                     (caps & AC_AMPCAP_NUM_STEPS) >> AC_AMPCAP_NUM_STEPS_SHIFT,
 128                     (caps & AC_AMPCAP_STEP_SIZE) >> AC_AMPCAP_STEP_SIZE_SHIFT,
 129                     (caps & AC_AMPCAP_MUTE) >> AC_AMPCAP_MUTE_SHIFT);
 130 }
 131
 132 static void print_amp_vals(struct snd_info_buffer *buffer,
 133                            struct hda_codec *codec, hda_nid_t nid,
 134                            int dir, int stereo, int indices)
 135 {
 136         unsigned int val;
 137         int i;
 138
 139         dir = dir == HDA_OUTPUT ? AC_AMP_GET_OUTPUT : AC_AMP_GET_INPUT;
 140         for (i = 0; i < indices; i++) {
 141                 snd_iprintf(buffer, " [");
 142                 val = snd_hda_codec_read(codec, nid, 0,
 143                                          AC_VERB_GET_AMP_GAIN_MUTE,
 144                                          AC_AMP_GET_LEFT | dir | i);
 145                 snd_iprintf(buffer, "0x%02x", val);
 146                 if (stereo) {
 147                         val = snd_hda_codec_read(codec, nid, 0,
 148                                                  AC_VERB_GET_AMP_GAIN_MUTE,
 149                                                  AC_AMP_GET_RIGHT | dir | i);
 150                         snd_iprintf(buffer, " 0x%02x", val);
 151                 }
 152                 snd_iprintf(buffer, "]");
 153         }
 154         snd_iprintf(buffer, "\n");
 155 }
 156
 157 static void print_pcm_rates(struct snd_info_buffer *buffer, unsigned int pcm)
 158 {
 159         static unsigned int rates[] = {
 160                 8000, 11025, 16000, 22050, 32000, 44100, 48000, 88200,
 161                 96000, 176400, 192000, 384000
 162         };
 163         int i;
 164
 165         pcm &= AC_SUPPCM_RATES;
 166         snd_iprintf(buffer, "    rates [0x%x]:", pcm);
 167         for (i = 0; i < ARRAY_SIZE(rates); i++)
 168                 if (pcm & (1 << i))
 169                         snd_iprintf(buffer,  " %d", rates[i]);
 170         snd_iprintf(buffer, "\n");
 171 }
 172
 173 static void print_pcm_bits(struct snd_info_buffer *buffer, unsigned int pcm)
 174 {
 175         char buf[SND_PRINT_BITS_ADVISED_BUFSIZE];
 176
 177         snd_iprintf(buffer, "    bits [0x%x]:", (pcm >> 16) & 0xff);
 178         snd_print_pcm_bits(pcm, buf, sizeof(buf));
 179         snd_iprintf(buffer, "%s\n", buf);
 180 }
 181
 182 static void print_pcm_formats(struct snd_info_buffer *buffer,
 183                               unsigned int streams)
 184 {
 185         snd_iprintf(buffer, "    formats [0x%x]:", streams & 0xf);
 186         if (streams & AC_SUPFMT_PCM)
 187                 snd_iprintf(buffer, " PCM");
 188         if (streams & AC_SUPFMT_FLOAT32)
 189                 snd_iprintf(buffer, " FLOAT");
 190         if (streams & AC_SUPFMT_AC3)
 191                 snd_iprintf(buffer, " AC3");
 192         snd_iprintf(buffer, "\n");
 193 }
 194
 195 static void print_pcm_caps(struct snd_info_buffer *buffer,
 196                            struct hda_codec *codec, hda_nid_t nid)
 197 {
 198         unsigned int pcm = snd_hda_param_read(codec, nid, AC_PAR_PCM);
 199         unsigned int stream = snd_hda_param_read(codec, nid, AC_PAR_STREAM);
 200         if (pcm == -1 || stream == -1) {
 201                 snd_iprintf(buffer, "N/A\n");
 202                 return;
 203         }
 204         print_pcm_rates(buffer, pcm);
 205         print_pcm_bits(buffer, pcm);
 206         print_pcm_formats(buffer, stream);
 207 }
 208
 209 static const char *get_jack_connection(u32 cfg)
 210 {
 211         static char *names[16] = {
 212                 "Unknown", "1/8", "1/4", "ATAPI",
 213                 "RCA", "Optical","Digital", "Analog",
 214                 "DIN", "XLR", "RJ11", "Comb",
 215                 NULL, NULL, NULL, "Other"
 216         };
 217         cfg = (cfg & AC_DEFCFG_CONN_TYPE) >> AC_DEFCFG_CONN_TYPE_SHIFT;
 218         if (names[cfg])
 219                 return names[cfg];
 220         else
 221                 return "UNKNOWN";
 222 }
 223
 224 static const char *get_jack_color(u32 cfg)
 225 {
 226         static char *names[16] = {
 227                 "Unknown", "Black", "Grey", "Blue",
 228                 "Green", "Red", "Orange", "Yellow",
 229                 "Purple", "Pink", NULL, NULL,
 230                 NULL, NULL, "White", "Other",
 231         };
 232         cfg = (cfg & AC_DEFCFG_COLOR) >> AC_DEFCFG_COLOR_SHIFT;
 233         if (names[cfg])
 234                 return names[cfg];
 235         else
 236                 return "UNKNOWN";
 237 }
 238
 239 static void print_pin_caps(struct snd_info_buffer *buffer,
 240                            struct hda_codec *codec, hda_nid_t nid,
 241                            int *supports_vref)
 242 {
 243         static char *jack_conns[4] = { "Jack", "N/A", "Fixed", "Both" };
 244         unsigned int caps, val;
 245
 246         caps = snd_hda_param_read(codec, nid, AC_PAR_PIN_CAP);
 247         snd_iprintf(buffer, "  Pincap 0x%08x:", caps);
 248         if (caps & AC_PINCAP_IN)
 249                 snd_iprintf(buffer, " IN");
 250         if (caps & AC_PINCAP_OUT)
 251                 snd_iprintf(buffer, " OUT");
 252         if (caps & AC_PINCAP_HP_DRV)
 253                 snd_iprintf(buffer, " HP");
 254         if (caps & AC_PINCAP_EAPD)
 255                 snd_iprintf(buffer, " EAPD");
 256         if (caps & AC_PINCAP_PRES_DETECT)
 257                 snd_iprintf(buffer, " Detect");
 258         if (caps & AC_PINCAP_BALANCE)
 259                 snd_iprintf(buffer, " Balanced");
 260         if (caps & AC_PINCAP_HDMI) {
 261                 /* Realtek uses this bit as a different meaning */
 262                 if ((codec->vendor_id >> 16) == 0x10ec)
 263                         snd_iprintf(buffer, " R/L");
 264                 else {
 265                         if (caps & AC_PINCAP_HBR)
 266                                 snd_iprintf(buffer, " HBR");
 267                         snd_iprintf(buffer, " HDMI");
 268                 }
 269         }
 270         if (caps & AC_PINCAP_DP)
 271                 snd_iprintf(buffer, " DP");
 272         if (caps & AC_PINCAP_TRIG_REQ)
 273                 snd_iprintf(buffer, " Trigger");
 274         if (caps & AC_PINCAP_IMP_SENSE)
 275                 snd_iprintf(buffer, " ImpSense");
 276         snd_iprintf(buffer, "\n");
 277         if (caps & AC_PINCAP_VREF) {
 278                 unsigned int vref =
 279                         (caps & AC_PINCAP_VREF) >> AC_PINCAP_VREF_SHIFT;
 280                 snd_iprintf(buffer, "    Vref caps:");
 281                 if (vref & AC_PINCAP_VREF_HIZ)
 282                         snd_iprintf(buffer, " HIZ");
 283                 if (vref & AC_PINCAP_VREF_50)
 284                         snd_iprintf(buffer, " 50");
 285                 if (vref & AC_PINCAP_VREF_GRD)
 286                         snd_iprintf(buffer, " GRD");
 287                 if (vref & AC_PINCAP_VREF_80)
 288                         snd_iprintf(buffer, " 80");
 289                 if (vref & AC_PINCAP_VREF_100)
 290                         snd_iprintf(buffer, " 100");
 291                 snd_iprintf(buffer, "\n");
 292                 *supports_vref = 1;
 293         } else
 294                 *supports_vref = 0;
 295         if (caps & AC_PINCAP_EAPD) {
 296                 val = snd_hda_codec_read(codec, nid, 0,
 297                                          AC_VERB_GET_EAPD_BTLENABLE, 0);
 298                 snd_iprintf(buffer, "  EAPD 0x%x:", val);
 299                 if (val & AC_EAPDBTL_BALANCED)
 300                         snd_iprintf(buffer, " BALANCED");
 301                 if (val & AC_EAPDBTL_EAPD)
 302                         snd_iprintf(buffer, " EAPD");
 303                 if (val & AC_EAPDBTL_LR_SWAP)
 304                         snd_iprintf(buffer, " R/L");
 305                 snd_iprintf(buffer, "\n");
 306         }
 307         caps = snd_hda_codec_read(codec, nid, 0, AC_VERB_GET_CONFIG_DEFAULT, 0);
 308         snd_iprintf(buffer, "  Pin Default 0x%08x: [%s] %s at %s %s\n", caps,
 309                     jack_conns[(caps & AC_DEFCFG_PORT_CONN) >> AC_DEFCFG_PORT_CONN_SHIFT],
 310                     snd_hda_get_jack_type(caps),
 311                     snd_hda_get_jack_connectivity(caps),
 312                     snd_hda_get_jack_location(caps));
 313         snd_iprintf(buffer, "    Conn = %s, Color = %s\n",
 314                     get_jack_connection(caps),
 315                     get_jack_color(caps));
 316         /* Default association and sequence values refer to default grouping
 317          * of pin complexes and their sequence within the group. This is used
 318          * for priority and resource allocation.
 319          */
 320         snd_iprintf(buffer, "    DefAssociation = 0x%x, Sequence = 0x%x\n",
 321                     (caps & AC_DEFCFG_DEF_ASSOC) >> AC_DEFCFG_ASSOC_SHIFT,
 322                     caps & AC_DEFCFG_SEQUENCE);
 323         if (((caps & AC_DEFCFG_MISC) >> AC_DEFCFG_MISC_SHIFT) &
 324             AC_DEFCFG_MISC_NO_PRESENCE) {
 325                 /* Miscellaneous bit indicates external hardware does not
 326                  * support presence detection even if the pin complex
 327                  * indicates it is supported.
 328                  */
 329                 snd_iprintf(buffer, "    Misc = NO_PRESENCE\n");
 330         }
 331 }
 332
 333 static void print_pin_ctls(struct snd_info_buffer *buffer,
 334                            struct hda_codec *codec, hda_nid_t nid,
 335                            int supports_vref)
 336 {
 337         unsigned int pinctls;
 338
 339         pinctls = snd_hda_codec_read(codec, nid, 0,
 340                                      AC_VERB_GET_PIN_WIDGET_CONTROL, 0);
 341         snd_iprintf(buffer, "  Pin-ctls: 0x%02x:", pinctls);
 342         if (pinctls & AC_PINCTL_IN_EN)
 343                 snd_iprintf(buffer, " IN");
 344         if (pinctls & AC_PINCTL_OUT_EN)
 345                 snd_iprintf(buffer, " OUT");
 346         if (pinctls & AC_PINCTL_HP_EN)
 347                 snd_iprintf(buffer, " HP");
 348         if (supports_vref) {
 349                 int vref = pinctls & AC_PINCTL_VREFEN;
 350                 switch (vref) {
 351                 case AC_PINCTL_VREF_HIZ:
 352                         snd_iprintf(buffer, " VREF_HIZ");
 353                         break;
 354                 case AC_PINCTL_VREF_50:
 355                         snd_iprintf(buffer, " VREF_50");
 356                         break;
 357                 case AC_PINCTL_VREF_GRD:
 358                         snd_iprintf(buffer, " VREF_GRD");
 359                         break;
 360                 case AC_PINCTL_VREF_80:
 361                         snd_iprintf(buffer, " VREF_80");
 362                         break;
 363                 case AC_PINCTL_VREF_100:
 364                         snd_iprintf(buffer, " VREF_100");
 365                         break;
 366                 }
 367         }
 368         snd_iprintf(buffer, "\n");
 369 }
 370
 371 static void print_vol_knob(struct snd_info_buffer *buffer,
 372                            struct hda_codec *codec, hda_nid_t nid)
 373 {
 374         unsigned int cap = snd_hda_param_read(codec, nid,
 375                                               AC_PAR_VOL_KNB_CAP);
 376         snd_iprintf(buffer, "  Volume-Knob: delta=%d, steps=%d, ",
 377                     (cap >> 7) & 1, cap & 0x7f);
 378         cap = snd_hda_codec_read(codec, nid, 0,
 379                                  AC_VERB_GET_VOLUME_KNOB_CONTROL, 0);
 380         snd_iprintf(buffer, "direct=%d, val=%d\n",
 381                     (cap >> 7) & 1, cap & 0x7f);
 382 }
 383
 384 static void print_audio_io(struct snd_info_buffer *buffer,
 385                            struct hda_codec *codec, hda_nid_t nid,
 386                            unsigned int wid_type)
 387 {
 388         int conv = snd_hda_codec_read(codec, nid, 0, AC_VERB_GET_CONV, 0);
 389         snd_iprintf(buffer,
 390                     "  Converter: stream=%d, channel=%d\n",
 391                     (conv & AC_CONV_STREAM) >> AC_CONV_STREAM_SHIFT,
 392                     conv & AC_CONV_CHANNEL);
 393
 394         if (wid_type == AC_WID_AUD_IN && (conv & AC_CONV_CHANNEL) == 0) {
 395                 int sdi = snd_hda_codec_read(codec, nid, 0,
 396                                              AC_VERB_GET_SDI_SELECT, 0);
 397                 snd_iprintf(buffer, "  SDI-Select: %d\n",
 398                             sdi & AC_SDI_SELECT);
 399         }
 400 }
 401
 402 static void print_digital_conv(struct snd_info_buffer *buffer,
 403                                struct hda_codec *codec, hda_nid_t nid)
 404 {
 405         unsigned int digi1 = snd_hda_codec_read(codec, nid, 0,
 406                                                 AC_VERB_GET_DIGI_CONVERT_1, 0);
 407         unsigned char digi2 = digi1 >> 8;
 408         unsigned char digi3 = digi1 >> 16;
 409
 410         snd_iprintf(buffer, "  Digital:");
 411         if (digi1 & AC_DIG1_ENABLE)
 412                 snd_iprintf(buffer, " Enabled");
 413         if (digi1 & AC_DIG1_V)
 414                 snd_iprintf(buffer, " Validity");
 415         if (digi1 & AC_DIG1_VCFG)
 416                 snd_iprintf(buffer, " ValidityCfg");
 417         if (digi1 & AC_DIG1_EMPHASIS)
 418                 snd_iprintf(buffer, " Preemphasis");
 419         if (digi1 & AC_DIG1_COPYRIGHT)
 420                 snd_iprintf(buffer, " Non-Copyright");
 421         if (digi1 & AC_DIG1_NONAUDIO)
 422                 snd_iprintf(buffer, " Non-Audio");
 423         if (digi1 & AC_DIG1_PROFESSIONAL)
 424                 snd_iprintf(buffer, " Pro");
 425         if (digi1 & AC_DIG1_LEVEL)
 426                 snd_iprintf(buffer, " GenLevel");
 427         if (digi3 & AC_DIG3_KAE)
 428                 snd_iprintf(buffer, " KAE");
 429         snd_iprintf(buffer, "\n");
 430         snd_iprintf(buffer, "  Digital category: 0x%x\n",
 431                     digi2 & AC_DIG2_CC);
 432         snd_iprintf(buffer, "  IEC Coding Type: 0x%x\n",
 433                         digi3 & AC_DIG3_ICT);
 434 }
 435
 436 static const char *get_pwr_state(u32 state)
 437 {
 438         static const char * const buf[] = {
 439                 "D0", "D1", "D2", "D3", "D3cold"
 440         };
 441         if (state < ARRAY_SIZE(buf))
 442                 return buf[state];
 443         return "UNKNOWN";
 444 }
 445
 446 static void print_power_state(struct snd_info_buffer *buffer,
 447                               struct hda_codec *codec, hda_nid_t nid)
 448 {
 449         static char *names[] = {
 450                 [ilog2(AC_PWRST_D0SUP)]         = "D0",
 451                 [ilog2(AC_PWRST_D1SUP)]         = "D1",
 452                 [ilog2(AC_PWRST_D2SUP)]         = "D2",
 453                 [ilog2(AC_PWRST_D3SUP)]         = "D3",
 454                 [ilog2(AC_PWRST_D3COLDSUP)]     = "D3cold",
 455                 [ilog2(AC_PWRST_S3D3COLDSUP)]   = "S3D3cold",
 456                 [ilog2(AC_PWRST_CLKSTOP)]       = "CLKSTOP",
 457                 [ilog2(AC_PWRST_EPSS)]          = "EPSS",
 458         };
 459
 460         int sup = snd_hda_param_read(codec, nid, AC_PAR_POWER_STATE);
 461         int pwr = snd_hda_codec_read(codec, nid, 0,
 462                                      AC_VERB_GET_POWER_STATE, 0);
 463         if (sup != -1)
 464                 snd_iprintf(buffer, "  Power states: %s\n",
 465                             bits_names(sup, names, ARRAY_SIZE(names)));
 466
 467         snd_iprintf(buffer, "  Power: setting=%s, actual=%s",
 468                     get_pwr_state(pwr & AC_PWRST_SETTING),
 469                     get_pwr_state((pwr & AC_PWRST_ACTUAL) >>
 470                                   AC_PWRST_ACTUAL_SHIFT));
 471         if (pwr & AC_PWRST_ERROR)
 472                 snd_iprintf(buffer, ", Error");
 473         if (pwr & AC_PWRST_CLK_STOP_OK)
 474                 snd_iprintf(buffer, ", Clock-stop-OK");
 475         if (pwr & AC_PWRST_SETTING_RESET)
 476                 snd_iprintf(buffer, ", Setting-reset");
 477         snd_iprintf(buffer, "\n");
 478 }
 479
 480 static void print_unsol_cap(struct snd_info_buffer *buffer,
 481                               struct hda_codec *codec, hda_nid_t nid)
 482 {
 483         int unsol = snd_hda_codec_read(codec, nid, 0,
 484                                        AC_VERB_GET_UNSOLICITED_RESPONSE, 0);
 485         snd_iprintf(buffer,
 486                     "  Unsolicited: tag=%02x, enabled=%d\n",
 487                     unsol & AC_UNSOL_TAG,
 488                     (unsol & AC_UNSOL_ENABLED) ? 1 : 0);
 489 }
 490
 491 static void print_proc_caps(struct snd_info_buffer *buffer,
 492                             struct hda_codec *codec, hda_nid_t nid)
 493 {
 494         unsigned int proc_caps = snd_hda_param_read(codec, nid,
 495                                                     AC_PAR_PROC_CAP);
 496         snd_iprintf(buffer, "  Processing caps: benign=%d, ncoeff=%d\n",
 497                     proc_caps & AC_PCAP_BENIGN,
 498                     (proc_caps & AC_PCAP_NUM_COEF) >> AC_PCAP_NUM_COEF_SHIFT);
 499 }
 500
 501 static void print_conn_list(struct snd_info_buffer *buffer,
 502                             struct hda_codec *codec, hda_nid_t nid,
 503                             unsigned int wid_type, hda_nid_t *conn,
 504                             int conn_len)
 505 {
 506         int c, curr = -1;
 507         const hda_nid_t *list;
 508         int cache_len;
 509
 510         if (conn_len > 1 &&
 511             wid_type != AC_WID_AUD_MIX &&
 512             wid_type != AC_WID_VOL_KNB &&
 513             wid_type != AC_WID_POWER)
 514                 curr = snd_hda_codec_read(codec, nid, 0,
 515                                           AC_VERB_GET_CONNECT_SEL, 0);
 516         snd_iprintf(buffer, "  Connection: %d\n", conn_len);
 517         if (conn_len > 0) {
 518                 snd_iprintf(buffer, "    ");
 519                 for (c = 0; c < conn_len; c++) {
 520                         snd_iprintf(buffer, " 0x%02x", conn[c]);
 521                         if (c == curr)
 522                                 snd_iprintf(buffer, "*");
 523                 }
 524                 snd_iprintf(buffer, "\n");
 525         }
 526
 527         /* Get Cache connections info */
 528         cache_len = snd_hda_get_conn_list(codec, nid, &list);
 529         if (cache_len != conn_len
 530                         || memcmp(list, conn, conn_len)) {
 531                 snd_iprintf(buffer, "  In-driver Connection: %d\n", cache_len);
 532                 if (cache_len > 0) {
 533                         snd_iprintf(buffer, "    ");
 534                         for (c = 0; c < cache_len; c++)
 535                                 snd_iprintf(buffer, " 0x%02x", list[c]);
 536                         snd_iprintf(buffer, "\n");
 537                 }
 538         }
 539 }
 540
 541 static void print_gpio(struct snd_info_buffer *buffer,
 542                        struct hda_codec *codec, hda_nid_t nid)
 543 {
 544         unsigned int gpio =
 545                 snd_hda_param_read(codec, codec->afg, AC_PAR_GPIO_CAP);
 546         unsigned int enable, direction, wake, unsol, sticky, data;
 547         int i, max;
 548         snd_iprintf(buffer, "GPIO: io=%d, o=%d, i=%d, "
 549                     "unsolicited=%d, wake=%d\n",
 550                     gpio & AC_GPIO_IO_COUNT,
 551                     (gpio & AC_GPIO_O_COUNT) >> AC_GPIO_O_COUNT_SHIFT,
 552                     (gpio & AC_GPIO_I_COUNT) >> AC_GPIO_I_COUNT_SHIFT,
 553                     (gpio & AC_GPIO_UNSOLICITED) ? 1 : 0,
 554                     (gpio & AC_GPIO_WAKE) ? 1 : 0);
 555         max = gpio & AC_GPIO_IO_COUNT;
 556         if (!max || max > 8)
 557                 return;
 558         enable = snd_hda_codec_read(codec, nid, 0,
 559                                     AC_VERB_GET_GPIO_MASK, 0);
 560         direction = snd_hda_codec_read(codec, nid, 0,
 561                                        AC_VERB_GET_GPIO_DIRECTION, 0);
 562         wake = snd_hda_codec_read(codec, nid, 0,
 563                                   AC_VERB_GET_GPIO_WAKE_MASK, 0);
 564         unsol  = snd_hda_codec_read(codec, nid, 0,
 565                                     AC_VERB_GET_GPIO_UNSOLICITED_RSP_MASK, 0);
 566         sticky = snd_hda_codec_read(codec, nid, 0,
 567                                     AC_VERB_GET_GPIO_STICKY_MASK, 0);
 568         data = snd_hda_codec_read(codec, nid, 0,
 569                                   AC_VERB_GET_GPIO_DATA, 0);
 570         for (i = 0; i < max; ++i)
 571                 snd_iprintf(buffer,
 572                             "  IO[%d]: enable=%d, dir=%d, wake=%d, "
 573                             "sticky=%d, data=%d, unsol=%d\n", i,
 574                             (enable & (1<<i)) ? 1 : 0,
 575                             (direction & (1<<i)) ? 1 : 0,
 576                             (wake & (1<<i)) ? 1 : 0,
 577                             (sticky & (1<<i)) ? 1 : 0,
 578                             (data & (1<<i)) ? 1 : 0,
 579                             (unsol & (1<<i)) ? 1 : 0);
 580         /* FIXME: add GPO and GPI pin information */
 581         print_nid_array(buffer, codec, nid, &codec->mixers);
 582         print_nid_array(buffer, codec, nid, &codec->nids);
 583 }
 584
 585 static void print_device_list(struct snd_info_buffer *buffer,
 586                             struct hda_codec *codec, hda_nid_t nid)
 587 {
 588         int i, curr = -1;
 589         u8 dev_list[AC_MAX_DEV_LIST_LEN];
 590         int devlist_len;
 591
 592         devlist_len = snd_hda_get_devices(codec, nid, dev_list,
 593                                         AC_MAX_DEV_LIST_LEN);
 594         snd_iprintf(buffer, "  Devices: %d\n", devlist_len);
 595         if (devlist_len <= 0)
 596                 return;
 597
 598         curr = snd_hda_codec_read(codec, nid, 0,
 599                                 AC_VERB_GET_DEVICE_SEL, 0);
 600
 601         for (i = 0; i < devlist_len; i++) {
 602                 if (i == curr)
 603                         snd_iprintf(buffer, "    *");
 604                 else
 605                         snd_iprintf(buffer, "     ");
 606
 607                 snd_iprintf(buffer,
 608                         "Dev %02d: PD = %d, ELDV = %d, IA = %d\n", i,
 609                         !!(dev_list[i] & AC_DE_PD),
 610                         !!(dev_list[i] & AC_DE_ELDV),
 611                         !!(dev_list[i] & AC_DE_IA));
 612         }
 613 }
 614
 615 static void print_codec_info(struct snd_info_entry *entry,
 616                              struct snd_info_buffer *buffer)
 617 {
 618         struct hda_codec *codec = entry->private_data;
 619         hda_nid_t nid;
 620         int i, nodes;
 621
 622         snd_iprintf(buffer, "Codec: ");
 623         if (codec->vendor_name && codec->chip_name)
 624                 snd_iprintf(buffer, "%s %s\n",
 625                             codec->vendor_name, codec->chip_name);
 626         else
 627                 snd_iprintf(buffer, "Not Set\n");
 628         snd_iprintf(buffer, "Address: %d\n", codec->addr);
 629         if (codec->afg)
 630                 snd_iprintf(buffer, "AFG Function Id: 0x%x (unsol %u)\n",
 631                         codec->afg_function_id, codec->afg_unsol);
 632         if (codec->mfg)
 633                 snd_iprintf(buffer, "MFG Function Id: 0x%x (unsol %u)\n",
 634                         codec->mfg_function_id, codec->mfg_unsol);
 635         snd_iprintf(buffer, "Vendor Id: 0x%08x\n", codec->vendor_id);
 636         snd_iprintf(buffer, "Subsystem Id: 0x%08x\n", codec->subsystem_id);
 637         snd_iprintf(buffer, "Revision Id: 0x%x\n", codec->revision_id);
 638
 639         if (codec->mfg)
 640                 snd_iprintf(buffer, "Modem Function Group: 0x%x\n", codec->mfg);
 641         else
 642                 snd_iprintf(buffer, "No Modem Function Group found\n");
 643
 644         if (! codec->afg)
 645                 return;
 646         snd_hda_power_up(codec);
 647         snd_iprintf(buffer, "Default PCM:\n");
 648         print_pcm_caps(buffer, codec, codec->afg);
 649         snd_iprintf(buffer, "Default Amp-In caps: ");
 650         print_amp_caps(buffer, codec, codec->afg, HDA_INPUT);
 651         snd_iprintf(buffer, "Default Amp-Out caps: ");
 652         print_amp_caps(buffer, codec, codec->afg, HDA_OUTPUT);
 653         snd_iprintf(buffer, "State of AFG node 0x%02x:\n", codec->afg);
 654         print_power_state(buffer, codec, codec->afg);
 655
 656         nodes = snd_hda_get_sub_nodes(codec, codec->afg, &nid);
 657         if (! nid || nodes < 0) {
 658                 snd_iprintf(buffer, "Invalid AFG subtree\n");
 659                 snd_hda_power_down(codec);
 660                 return;
 661         }
 662
 663         print_gpio(buffer, codec, codec->afg);
 664         if (codec->proc_widget_hook)
 665                 codec->proc_widget_hook(buffer, codec, codec->afg);
 666
 667         for (i = 0; i < nodes; i++, nid++) {
 668                 unsigned int wid_caps =
 669                         snd_hda_param_read(codec, nid,
 670                                            AC_PAR_AUDIO_WIDGET_CAP);
 671                 unsigned int wid_type = get_wcaps_type(wid_caps);
 672                 hda_nid_t *conn = NULL;
 673                 int conn_len = 0;
 674
 675                 snd_iprintf(buffer, "Node 0x%02x [%s] wcaps 0x%x:", nid,
 676                             get_wid_type_name(wid_type), wid_caps);
 677                 if (wid_caps & AC_WCAP_STEREO) {
 678                         unsigned int chans = get_wcaps_channels(wid_caps);
 679                         if (chans == 2)
 680                                 snd_iprintf(buffer, " Stereo");
 681                         else
 682                                 snd_iprintf(buffer, " %d-Channels", chans);
 683                 } else
 684                         snd_iprintf(buffer, " Mono");
 685                 if (wid_caps & AC_WCAP_DIGITAL)
 686                         snd_iprintf(buffer, " Digital");
 687                 if (wid_caps & AC_WCAP_IN_AMP)
 688                         snd_iprintf(buffer, " Amp-In");
 689                 if (wid_caps & AC_WCAP_OUT_AMP)
 690                         snd_iprintf(buffer, " Amp-Out");
 691                 if (wid_caps & AC_WCAP_STRIPE)
 692                         snd_iprintf(buffer, " Stripe");
 693                 if (wid_caps & AC_WCAP_LR_SWAP)
 694                         snd_iprintf(buffer, " R/L");
 695                 if (wid_caps & AC_WCAP_CP_CAPS)
 696                         snd_iprintf(buffer, " CP");
 697                 snd_iprintf(buffer, "\n");
 698
 699                 print_nid_array(buffer, codec, nid, &codec->mixers);
 700                 print_nid_array(buffer, codec, nid, &codec->nids);
 701                 print_nid_pcms(buffer, codec, nid);
 702
 703                 /* volume knob is a special widget that always have connection
 704                  * list
 705                  */
 706                 if (wid_type == AC_WID_VOL_KNB)
 707                         wid_caps |= AC_WCAP_CONN_LIST;
 708
 709                 if (wid_caps & AC_WCAP_CONN_LIST) {
 710                         conn_len = snd_hda_get_num_raw_conns(codec, nid);
 711                         if (conn_len > 0) {
 712                                 conn = kmalloc(sizeof(hda_nid_t) * conn_len,
 713                                                GFP_KERNEL);
 714                                 if (!conn)
 715                                         return;
 716                                 if (snd_hda_get_raw_connections(codec, nid, conn,
 717                                                                 conn_len) < 0)
 718                                         conn_len = 0;
 719                         }
 720                 }
 721
 722                 if (wid_caps & AC_WCAP_IN_AMP) {
 723                         snd_iprintf(buffer, "  Amp-In caps: ");
 724                         print_amp_caps(buffer, codec, nid, HDA_INPUT);
 725                         snd_iprintf(buffer, "  Amp-In vals: ");
 726                         if (wid_type == AC_WID_PIN ||
 727                             (codec->single_adc_amp &&
 728                              wid_type == AC_WID_AUD_IN))
 729                                 print_amp_vals(buffer, codec, nid, HDA_INPUT,
 730                                                wid_caps & AC_WCAP_STEREO,
 731                                                1);
 732                         else
 733                                 print_amp_vals(buffer, codec, nid, HDA_INPUT,
 734                                                wid_caps & AC_WCAP_STEREO,
 735                                                conn_len);
 736                 }
 737                 if (wid_caps & AC_WCAP_OUT_AMP) {
 738                         snd_iprintf(buffer, "  Amp-Out caps: ");
 739                         print_amp_caps(buffer, codec, nid, HDA_OUTPUT);
 740                         snd_iprintf(buffer, "  Amp-Out vals: ");
 741                         if (wid_type == AC_WID_PIN &&
 742                             codec->pin_amp_workaround)
 743                                 print_amp_vals(buffer, codec, nid, HDA_OUTPUT,
 744                                                wid_caps & AC_WCAP_STEREO,
 745                                                conn_len);
 746                         else
 747                                 print_amp_vals(buffer, codec, nid, HDA_OUTPUT,
 748                                                wid_caps & AC_WCAP_STEREO, 1);
 749                 }
 750
 751                 switch (wid_type) {
 752                 case AC_WID_PIN: {
 753                         int supports_vref;
 754                         print_pin_caps(buffer, codec, nid, &supports_vref);
 755                         print_pin_ctls(buffer, codec, nid, supports_vref);
 756                         break;
 757                 }
 758                 case AC_WID_VOL_KNB:
 759                         print_vol_knob(buffer, codec, nid);
 760                         break;
 761                 case AC_WID_AUD_OUT:
 762                 case AC_WID_AUD_IN:
 763                         print_audio_io(buffer, codec, nid, wid_type);
 764                         if (wid_caps & AC_WCAP_DIGITAL)
 765                                 print_digital_conv(buffer, codec, nid);
 766                         if (wid_caps & AC_WCAP_FORMAT_OVRD) {
 767                                 snd_iprintf(buffer, "  PCM:\n");
 768                                 print_pcm_caps(buffer, codec, nid);
 769                         }
 770                         break;
 771                 }
 772
 773                 if (wid_caps & AC_WCAP_UNSOL_CAP)
 774                         print_unsol_cap(buffer, codec, nid);
 775
 776                 if (wid_caps & AC_WCAP_POWER)
 777                         print_power_state(buffer, codec, nid);
 778
 779                 if (wid_caps & AC_WCAP_DELAY)
 780                         snd_iprintf(buffer, "  Delay: %d samples\n",
 781                                     (wid_caps & AC_WCAP_DELAY) >>
 782                                     AC_WCAP_DELAY_SHIFT);
 783
 784                 if (wid_type == AC_WID_PIN && codec->dp_mst)
 785                         print_device_list(buffer, codec, nid);
 786
 787                 if (wid_caps & AC_WCAP_CONN_LIST)
 788                         print_conn_list(buffer, codec, nid, wid_type,
 789                                         conn, conn_len);
 790
 791                 if (wid_caps & AC_WCAP_PROC_WID)
 792                         print_proc_caps(buffer, codec, nid);
 793
 794                 if (codec->proc_widget_hook)
 795                         codec->proc_widget_hook(buffer, codec, nid);
 796
 797                 kfree(conn);
 798         }
 799         snd_hda_power_down(codec);
 800 }
 801
 802 /*
 803  * create a proc read
 804  */
 805 int snd_hda_codec_proc_new(struct hda_codec *codec)
 806 {
 807         char name[32];
 808         struct snd_info_entry *entry;
 809         int err;
 810
 811         snprintf(name, sizeof(name), "codec#%d", codec->addr);
 812         err = snd_card_proc_new(codec->bus->card, name, &entry);
 813         if (err < 0)
 814                 return err;
 815
 816         snd_info_set_text_ops(entry, codec, print_codec_info);
 817         return 0;
 818 }
 819