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