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 <linux/module.h>
  28 #include "hda_codec.h"
  29 #include "hda_local.h"
  30
  31 static int dump_coef = -1;
  32 module_param(dump_coef, int, 0644);
  33 MODULE_PARM_DESC(dump_coef, "Dump processing coefficients in codec proc file (-1=auto, 0=disable, 1=enable)");
  34
  35 static char *bits_names(unsigned int bits, char *names[], int size)
  36 {
  37         int i, n;
  38         static char buf[128];
  39
  40         for (i = 0, n = 0; i < size; i++) {
  41                 if (bits & (1U<<i) && names[i])
  42                         n += snprintf(buf + n, sizeof(buf) - n, " %s",
  43                                       names[i]);
  44         }
  45         buf[n] = '\0';
  46
  47         return buf;
  48 }
  49
  50 static const char *get_wid_type_name(unsigned int wid_value)
  51 {
  52         static char *names[16] = {
  53                 [AC_WID_AUD_OUT] = "Audio Output",
  54                 [AC_WID_AUD_IN] = "Audio Input",
  55                 [AC_WID_AUD_MIX] = "Audio Mixer",
  56                 [AC_WID_AUD_SEL] = "Audio Selector",
  57                 [AC_WID_PIN] = "Pin Complex",
  58                 [AC_WID_POWER] = "Power Widget",
  59                 [AC_WID_VOL_KNB] = "Volume Knob Widget",
  60                 [AC_WID_BEEP] = "Beep Generator Widget",
  61                 [AC_WID_VENDOR] = "Vendor Defined Widget",
  62         };
  63         if (wid_value == -1)
  64                 return "UNKNOWN Widget";
  65         wid_value &= 0xf;
  66         if (names[wid_value])
  67                 return names[wid_value];
  68         else
  69                 return "UNKNOWN Widget";
  70 }
  71
  72 static void print_nid_array(struct snd_info_buffer *buffer,
  73                             struct hda_codec *codec, hda_nid_t nid,
  74                             struct snd_array *array)
  75 {
  76         int i;
  77         struct hda_nid_item *items = array->list, *item;
  78         struct snd_kcontrol *kctl;
  79         for (i = 0; i < array->used; i++) {
  80                 item = &items[i];
  81                 if (item->nid == nid) {
  82                         kctl = item->kctl;
  83                         snd_iprintf(buffer,
  84                           "  Control: name=\"%s\", index=%i, device=%i\n",
  85                           kctl->id.name, kctl->id.index + item->index,
  86                           kctl->id.device);
  87                         if (item->flags & HDA_NID_ITEM_AMP)
  88                                 snd_iprintf(buffer,
  89                                   "    ControlAmp: chs=%lu, dir=%s, "
  90                                   "idx=%lu, ofs=%lu\n",
  91                                   get_amp_channels(kctl),
  92                                   get_amp_direction(kctl) ? "Out" : "In",
  93                                   get_amp_index(kctl),
  94                                   get_amp_offset(kctl));
  95                 }
  96         }
  97 }
  98
  99 static void print_nid_pcms(struct snd_info_buffer *buffer,
 100                            struct hda_codec *codec, hda_nid_t nid)
 101 {
 102         int pcm, type;
 103         struct hda_pcm *cpcm;
 104         for (pcm = 0; pcm < codec->num_pcms; pcm++) {
 105                 cpcm = &codec->pcm_info[pcm];
 106                 for (type = 0; type < 2; type++) {
 107                         if (cpcm->stream[type].nid != nid || cpcm->pcm == NULL)
 108                                 continue;
 109                         snd_iprintf(buffer, "  Device: name=\"%s\", "
 110                                     "type=\"%s\", device=%i\n",
 111                                     cpcm->name,
 112                                     snd_hda_pcm_type_name[cpcm->pcm_type],
 113                                     cpcm->pcm->device);
 114                 }
 115         }
 116 }
 117
 118 static void print_amp_caps(struct snd_info_buffer *buffer,
 119                            struct hda_codec *codec, hda_nid_t nid, int dir)
 120 {
 121         unsigned int caps;
 122         caps = snd_hda_param_read(codec, nid,
 123                                   dir == HDA_OUTPUT ?
 124                                     AC_PAR_AMP_OUT_CAP : AC_PAR_AMP_IN_CAP);
 125         if (caps == -1 || caps == 0) {
 126                 snd_iprintf(buffer, "N/A\n");
 127                 return;
 128         }
 129         snd_iprintf(buffer, "ofs=0x%02x, nsteps=0x%02x, stepsize=0x%02x, "
 130                     "mute=%x\n",
 131                     caps & AC_AMPCAP_OFFSET,
 132                     (caps & AC_AMPCAP_NUM_STEPS) >> AC_AMPCAP_NUM_STEPS_SHIFT,
 133                     (caps & AC_AMPCAP_STEP_SIZE) >> AC_AMPCAP_STEP_SIZE_SHIFT,
 134                     (caps & AC_AMPCAP_MUTE) >> AC_AMPCAP_MUTE_SHIFT);
 135 }
 136
 137 /* is this a stereo widget or a stereo-to-mono mix? */
 138 static bool is_stereo_amps(struct hda_codec *codec, hda_nid_t nid,
 139                            int dir, unsigned int wcaps, int indices)
 140 {
 141         hda_nid_t conn;
 142
 143         if (wcaps & AC_WCAP_STEREO)
 144                 return true;
 145         /* check for a stereo-to-mono mix; it must be:
 146          * only a single connection, only for input, and only a mixer widget
 147          */
 148         if (indices != 1 || dir != HDA_INPUT ||
 149             get_wcaps_type(wcaps) != AC_WID_AUD_MIX)
 150                 return false;
 151
 152         if (snd_hda_get_raw_connections(codec, nid, &conn, 1) < 0)
 153                 return false;
 154         /* the connection source is a stereo? */
 155         wcaps = snd_hda_param_read(codec, conn, AC_PAR_AUDIO_WIDGET_CAP);
 156         return !!(wcaps & AC_WCAP_STEREO);
 157 }
 158
 159 static void print_amp_vals(struct snd_info_buffer *buffer,
 160                            struct hda_codec *codec, hda_nid_t nid,
 161                            int dir, unsigned int wcaps, int indices)
 162 {
 163         unsigned int val;
 164         bool stereo;
 165         int i;
 166
 167         stereo = is_stereo_amps(codec, nid, dir, wcaps, indices);
 168
 169         dir = dir == HDA_OUTPUT ? AC_AMP_GET_OUTPUT : AC_AMP_GET_INPUT;
 170         for (i = 0; i < indices; i++) {
 171                 snd_iprintf(buffer, " [");
 172                 val = snd_hda_codec_read(codec, nid, 0,
 173                                          AC_VERB_GET_AMP_GAIN_MUTE,
 174                                          AC_AMP_GET_LEFT | dir | i);
 175                 snd_iprintf(buffer, "0x%02x", val);
 176                 if (stereo) {
 177                         val = snd_hda_codec_read(codec, nid, 0,
 178                                                  AC_VERB_GET_AMP_GAIN_MUTE,
 179                                                  AC_AMP_GET_RIGHT | dir | i);
 180                         snd_iprintf(buffer, " 0x%02x", val);
 181                 }
 182                 snd_iprintf(buffer, "]");
 183         }
 184         snd_iprintf(buffer, "\n");
 185 }
 186
 187 static void print_pcm_rates(struct snd_info_buffer *buffer, unsigned int pcm)
 188 {
 189         static unsigned int rates[] = {
 190                 8000, 11025, 16000, 22050, 32000, 44100, 48000, 88200,
 191                 96000, 176400, 192000, 384000
 192         };
 193         int i;
 194
 195         pcm &= AC_SUPPCM_RATES;
 196         snd_iprintf(buffer, "    rates [0x%x]:", pcm);
 197         for (i = 0; i < ARRAY_SIZE(rates); i++)
 198                 if (pcm & (1 << i))
 199                         snd_iprintf(buffer,  " %d", rates[i]);
 200         snd_iprintf(buffer, "\n");
 201 }
 202
 203 static void print_pcm_bits(struct snd_info_buffer *buffer, unsigned int pcm)
 204 {
 205         char buf[SND_PRINT_BITS_ADVISED_BUFSIZE];
 206
 207         snd_iprintf(buffer, "    bits [0x%x]:", (pcm >> 16) & 0xff);
 208         snd_print_pcm_bits(pcm, buf, sizeof(buf));
 209         snd_iprintf(buffer, "%s\n", buf);
 210 }
 211
 212 static void print_pcm_formats(struct snd_info_buffer *buffer,
 213                               unsigned int streams)
 214 {
 215         snd_iprintf(buffer, "    formats [0x%x]:", streams & 0xf);
 216         if (streams & AC_SUPFMT_PCM)
 217                 snd_iprintf(buffer, " PCM");
 218         if (streams & AC_SUPFMT_FLOAT32)
 219                 snd_iprintf(buffer, " FLOAT");
 220         if (streams & AC_SUPFMT_AC3)
 221                 snd_iprintf(buffer, " AC3");
 222         snd_iprintf(buffer, "\n");
 223 }
 224
 225 static void print_pcm_caps(struct snd_info_buffer *buffer,
 226                            struct hda_codec *codec, hda_nid_t nid)
 227 {
 228         unsigned int pcm = snd_hda_param_read(codec, nid, AC_PAR_PCM);
 229         unsigned int stream = snd_hda_param_read(codec, nid, AC_PAR_STREAM);
 230         if (pcm == -1 || stream == -1) {
 231                 snd_iprintf(buffer, "N/A\n");
 232                 return;
 233         }
 234         print_pcm_rates(buffer, pcm);
 235         print_pcm_bits(buffer, pcm);
 236         print_pcm_formats(buffer, stream);
 237 }
 238
 239 static const char *get_jack_connection(u32 cfg)
 240 {
 241         static char *names[16] = {
 242                 "Unknown", "1/8", "1/4", "ATAPI",
 243                 "RCA", "Optical","Digital", "Analog",
 244                 "DIN", "XLR", "RJ11", "Comb",
 245                 NULL, NULL, NULL, "Other"
 246         };
 247         cfg = (cfg & AC_DEFCFG_CONN_TYPE) >> AC_DEFCFG_CONN_TYPE_SHIFT;
 248         if (names[cfg])
 249                 return names[cfg];
 250         else
 251                 return "UNKNOWN";
 252 }
 253
 254 static const char *get_jack_color(u32 cfg)
 255 {
 256         static char *names[16] = {
 257                 "Unknown", "Black", "Grey", "Blue",
 258                 "Green", "Red", "Orange", "Yellow",
 259                 "Purple", "Pink", NULL, NULL,
 260                 NULL, NULL, "White", "Other",
 261         };
 262         cfg = (cfg & AC_DEFCFG_COLOR) >> AC_DEFCFG_COLOR_SHIFT;
 263         if (names[cfg])
 264                 return names[cfg];
 265         else
 266                 return "UNKNOWN";
 267 }
 268
 269 static void print_pin_caps(struct snd_info_buffer *buffer,
 270                            struct hda_codec *codec, hda_nid_t nid,
 271                            int *supports_vref)
 272 {
 273         static char *jack_conns[4] = { "Jack", "N/A", "Fixed", "Both" };
 274         unsigned int caps, val;
 275
 276         caps = snd_hda_param_read(codec, nid, AC_PAR_PIN_CAP);
 277         snd_iprintf(buffer, "  Pincap 0x%08x:", caps);
 278         if (caps & AC_PINCAP_IN)
 279                 snd_iprintf(buffer, " IN");
 280         if (caps & AC_PINCAP_OUT)
 281                 snd_iprintf(buffer, " OUT");
 282         if (caps & AC_PINCAP_HP_DRV)
 283                 snd_iprintf(buffer, " HP");
 284         if (caps & AC_PINCAP_EAPD)
 285                 snd_iprintf(buffer, " EAPD");
 286         if (caps & AC_PINCAP_PRES_DETECT)
 287                 snd_iprintf(buffer, " Detect");
 288         if (caps & AC_PINCAP_BALANCE)
 289                 snd_iprintf(buffer, " Balanced");
 290         if (caps & AC_PINCAP_HDMI) {
 291                 /* Realtek uses this bit as a different meaning */
 292                 if ((codec->vendor_id >> 16) == 0x10ec)
 293                         snd_iprintf(buffer, " R/L");
 294                 else {
 295                         if (caps & AC_PINCAP_HBR)
 296                                 snd_iprintf(buffer, " HBR");
 297                         snd_iprintf(buffer, " HDMI");
 298                 }
 299         }
 300         if (caps & AC_PINCAP_DP)
 301                 snd_iprintf(buffer, " DP");
 302         if (caps & AC_PINCAP_TRIG_REQ)
 303                 snd_iprintf(buffer, " Trigger");
 304         if (caps & AC_PINCAP_IMP_SENSE)
 305                 snd_iprintf(buffer, " ImpSense");
 306         snd_iprintf(buffer, "\n");
 307         if (caps & AC_PINCAP_VREF) {
 308                 unsigned int vref =
 309                         (caps & AC_PINCAP_VREF) >> AC_PINCAP_VREF_SHIFT;
 310                 snd_iprintf(buffer, "    Vref caps:");
 311                 if (vref & AC_PINCAP_VREF_HIZ)
 312                         snd_iprintf(buffer, " HIZ");
 313                 if (vref & AC_PINCAP_VREF_50)
 314                         snd_iprintf(buffer, " 50");
 315                 if (vref & AC_PINCAP_VREF_GRD)
 316                         snd_iprintf(buffer, " GRD");
 317                 if (vref & AC_PINCAP_VREF_80)
 318                         snd_iprintf(buffer, " 80");
 319                 if (vref & AC_PINCAP_VREF_100)
 320                         snd_iprintf(buffer, " 100");
 321                 snd_iprintf(buffer, "\n");
 322                 *supports_vref = 1;
 323         } else
 324                 *supports_vref = 0;
 325         if (caps & AC_PINCAP_EAPD) {
 326                 val = snd_hda_codec_read(codec, nid, 0,
 327                                          AC_VERB_GET_EAPD_BTLENABLE, 0);
 328                 snd_iprintf(buffer, "  EAPD 0x%x:", val);
 329                 if (val & AC_EAPDBTL_BALANCED)
 330                         snd_iprintf(buffer, " BALANCED");
 331                 if (val & AC_EAPDBTL_EAPD)
 332                         snd_iprintf(buffer, " EAPD");
 333                 if (val & AC_EAPDBTL_LR_SWAP)
 334                         snd_iprintf(buffer, " R/L");
 335                 snd_iprintf(buffer, "\n");
 336         }
 337         caps = snd_hda_codec_read(codec, nid, 0, AC_VERB_GET_CONFIG_DEFAULT, 0);
 338         snd_iprintf(buffer, "  Pin Default 0x%08x: [%s] %s at %s %s\n", caps,
 339                     jack_conns[(caps & AC_DEFCFG_PORT_CONN) >> AC_DEFCFG_PORT_CONN_SHIFT],
 340                     snd_hda_get_jack_type(caps),
 341                     snd_hda_get_jack_connectivity(caps),
 342                     snd_hda_get_jack_location(caps));
 343         snd_iprintf(buffer, "    Conn = %s, Color = %s\n",
 344                     get_jack_connection(caps),
 345                     get_jack_color(caps));
 346         /* Default association and sequence values refer to default grouping
 347          * of pin complexes and their sequence within the group. This is used
 348          * for priority and resource allocation.
 349          */
 350         snd_iprintf(buffer, "    DefAssociation = 0x%x, Sequence = 0x%x\n",
 351                     (caps & AC_DEFCFG_DEF_ASSOC) >> AC_DEFCFG_ASSOC_SHIFT,
 352                     caps & AC_DEFCFG_SEQUENCE);
 353         if (((caps & AC_DEFCFG_MISC) >> AC_DEFCFG_MISC_SHIFT) &
 354             AC_DEFCFG_MISC_NO_PRESENCE) {
 355                 /* Miscellaneous bit indicates external hardware does not
 356                  * support presence detection even if the pin complex
 357                  * indicates it is supported.
 358                  */
 359                 snd_iprintf(buffer, "    Misc = NO_PRESENCE\n");
 360         }
 361 }
 362
 363 static void print_pin_ctls(struct snd_info_buffer *buffer,
 364                            struct hda_codec *codec, hda_nid_t nid,
 365                            int supports_vref)
 366 {
 367         unsigned int pinctls;
 368
 369         pinctls = snd_hda_codec_read(codec, nid, 0,
 370                                      AC_VERB_GET_PIN_WIDGET_CONTROL, 0);
 371         snd_iprintf(buffer, "  Pin-ctls: 0x%02x:", pinctls);
 372         if (pinctls & AC_PINCTL_IN_EN)
 373                 snd_iprintf(buffer, " IN");
 374         if (pinctls & AC_PINCTL_OUT_EN)
 375                 snd_iprintf(buffer, " OUT");
 376         if (pinctls & AC_PINCTL_HP_EN)
 377                 snd_iprintf(buffer, " HP");
 378         if (supports_vref) {
 379                 int vref = pinctls & AC_PINCTL_VREFEN;
 380                 switch (vref) {
 381                 case AC_PINCTL_VREF_HIZ:
 382                         snd_iprintf(buffer, " VREF_HIZ");
 383                         break;
 384                 case AC_PINCTL_VREF_50:
 385                         snd_iprintf(buffer, " VREF_50");
 386                         break;
 387                 case AC_PINCTL_VREF_GRD:
 388                         snd_iprintf(buffer, " VREF_GRD");
 389                         break;
 390                 case AC_PINCTL_VREF_80:
 391                         snd_iprintf(buffer, " VREF_80");
 392                         break;
 393                 case AC_PINCTL_VREF_100:
 394                         snd_iprintf(buffer, " VREF_100");
 395                         break;
 396                 }
 397         }
 398         snd_iprintf(buffer, "\n");
 399 }
 400
 401 static void print_vol_knob(struct snd_info_buffer *buffer,
 402                            struct hda_codec *codec, hda_nid_t nid)
 403 {
 404         unsigned int cap = snd_hda_param_read(codec, nid,
 405                                               AC_PAR_VOL_KNB_CAP);
 406         snd_iprintf(buffer, "  Volume-Knob: delta=%d, steps=%d, ",
 407                     (cap >> 7) & 1, cap & 0x7f);
 408         cap = snd_hda_codec_read(codec, nid, 0,
 409                                  AC_VERB_GET_VOLUME_KNOB_CONTROL, 0);
 410         snd_iprintf(buffer, "direct=%d, val=%d\n",
 411                     (cap >> 7) & 1, cap & 0x7f);
 412 }
 413
 414 static void print_audio_io(struct snd_info_buffer *buffer,
 415                            struct hda_codec *codec, hda_nid_t nid,
 416                            unsigned int wid_type)
 417 {
 418         int conv = snd_hda_codec_read(codec, nid, 0, AC_VERB_GET_CONV, 0);
 419         snd_iprintf(buffer,
 420                     "  Converter: stream=%d, channel=%d\n",
 421                     (conv & AC_CONV_STREAM) >> AC_CONV_STREAM_SHIFT,
 422                     conv & AC_CONV_CHANNEL);
 423
 424         if (wid_type == AC_WID_AUD_IN && (conv & AC_CONV_CHANNEL) == 0) {
 425                 int sdi = snd_hda_codec_read(codec, nid, 0,
 426                                              AC_VERB_GET_SDI_SELECT, 0);
 427                 snd_iprintf(buffer, "  SDI-Select: %d\n",
 428                             sdi & AC_SDI_SELECT);
 429         }
 430 }
 431
 432 static void print_digital_conv(struct snd_info_buffer *buffer,
 433                                struct hda_codec *codec, hda_nid_t nid)
 434 {
 435         unsigned int digi1 = snd_hda_codec_read(codec, nid, 0,
 436                                                 AC_VERB_GET_DIGI_CONVERT_1, 0);
 437         unsigned char digi2 = digi1 >> 8;
 438         unsigned char digi3 = digi1 >> 16;
 439
 440         snd_iprintf(buffer, "  Digital:");
 441         if (digi1 & AC_DIG1_ENABLE)
 442                 snd_iprintf(buffer, " Enabled");
 443         if (digi1 & AC_DIG1_V)
 444                 snd_iprintf(buffer, " Validity");
 445         if (digi1 & AC_DIG1_VCFG)
 446                 snd_iprintf(buffer, " ValidityCfg");
 447         if (digi1 & AC_DIG1_EMPHASIS)
 448                 snd_iprintf(buffer, " Preemphasis");
 449         if (digi1 & AC_DIG1_COPYRIGHT)
 450                 snd_iprintf(buffer, " Non-Copyright");
 451         if (digi1 & AC_DIG1_NONAUDIO)
 452                 snd_iprintf(buffer, " Non-Audio");
 453         if (digi1 & AC_DIG1_PROFESSIONAL)
 454                 snd_iprintf(buffer, " Pro");
 455         if (digi1 & AC_DIG1_LEVEL)
 456                 snd_iprintf(buffer, " GenLevel");
 457         if (digi3 & AC_DIG3_KAE)
 458                 snd_iprintf(buffer, " KAE");
 459         snd_iprintf(buffer, "\n");
 460         snd_iprintf(buffer, "  Digital category: 0x%x\n",
 461                     digi2 & AC_DIG2_CC);
 462         snd_iprintf(buffer, "  IEC Coding Type: 0x%x\n",
 463                         digi3 & AC_DIG3_ICT);
 464 }
 465
 466 static const char *get_pwr_state(u32 state)
 467 {
 468         static const char * const buf[] = {
 469                 "D0", "D1", "D2", "D3", "D3cold"
 470         };
 471         if (state < ARRAY_SIZE(buf))
 472                 return buf[state];
 473         return "UNKNOWN";
 474 }
 475
 476 static void print_power_state(struct snd_info_buffer *buffer,
 477                               struct hda_codec *codec, hda_nid_t nid)
 478 {
 479         static char *names[] = {
 480                 [ilog2(AC_PWRST_D0SUP)]         = "D0",
 481                 [ilog2(AC_PWRST_D1SUP)]         = "D1",
 482                 [ilog2(AC_PWRST_D2SUP)]         = "D2",
 483                 [ilog2(AC_PWRST_D3SUP)]         = "D3",
 484                 [ilog2(AC_PWRST_D3COLDSUP)]     = "D3cold",
 485                 [ilog2(AC_PWRST_S3D3COLDSUP)]   = "S3D3cold",
 486                 [ilog2(AC_PWRST_CLKSTOP)]       = "CLKSTOP",
 487                 [ilog2(AC_PWRST_EPSS)]          = "EPSS",
 488         };
 489
 490         int sup = snd_hda_param_read(codec, nid, AC_PAR_POWER_STATE);
 491         int pwr = snd_hda_codec_read(codec, nid, 0,
 492                                      AC_VERB_GET_POWER_STATE, 0);
 493         if (sup != -1)
 494                 snd_iprintf(buffer, "  Power states: %s\n",
 495                             bits_names(sup, names, ARRAY_SIZE(names)));
 496
 497         snd_iprintf(buffer, "  Power: setting=%s, actual=%s",
 498                     get_pwr_state(pwr & AC_PWRST_SETTING),
 499                     get_pwr_state((pwr & AC_PWRST_ACTUAL) >>
 500                                   AC_PWRST_ACTUAL_SHIFT));
 501         if (pwr & AC_PWRST_ERROR)
 502                 snd_iprintf(buffer, ", Error");
 503         if (pwr & AC_PWRST_CLK_STOP_OK)
 504                 snd_iprintf(buffer, ", Clock-stop-OK");
 505         if (pwr & AC_PWRST_SETTING_RESET)
 506                 snd_iprintf(buffer, ", Setting-reset");
 507         snd_iprintf(buffer, "\n");
 508 }
 509
 510 static void print_unsol_cap(struct snd_info_buffer *buffer,
 511                               struct hda_codec *codec, hda_nid_t nid)
 512 {
 513         int unsol = snd_hda_codec_read(codec, nid, 0,
 514                                        AC_VERB_GET_UNSOLICITED_RESPONSE, 0);
 515         snd_iprintf(buffer,
 516                     "  Unsolicited: tag=%02x, enabled=%d\n",
 517                     unsol & AC_UNSOL_TAG,
 518                     (unsol & AC_UNSOL_ENABLED) ? 1 : 0);
 519 }
 520
 521 static inline bool can_dump_coef(struct hda_codec *codec)
 522 {
 523         switch (dump_coef) {
 524         case 0: return false;
 525         case 1: return true;
 526         default: return codec->dump_coef;
 527         }
 528 }
 529
 530 static void print_proc_caps(struct snd_info_buffer *buffer,
 531                             struct hda_codec *codec, hda_nid_t nid)
 532 {
 533         unsigned int i, ncoeff, oldindex;
 534         unsigned int proc_caps = snd_hda_param_read(codec, nid,
 535                                                     AC_PAR_PROC_CAP);
 536         ncoeff = (proc_caps & AC_PCAP_NUM_COEF) >> AC_PCAP_NUM_COEF_SHIFT;
 537         snd_iprintf(buffer, "  Processing caps: benign=%d, ncoeff=%d\n",
 538                     proc_caps & AC_PCAP_BENIGN, ncoeff);
 539
 540         if (!can_dump_coef(codec))
 541                 return;
 542
 543         /* Note: This is racy - another process could run in parallel and change
 544            the coef index too. */
 545         oldindex = snd_hda_codec_read(codec, nid, 0, AC_VERB_GET_COEF_INDEX, 0);
 546         for (i = 0; i < ncoeff; i++) {
 547                 unsigned int val;
 548                 snd_hda_codec_write(codec, nid, 0, AC_VERB_SET_COEF_INDEX, i);
 549                 val = snd_hda_codec_read(codec, nid, 0, AC_VERB_GET_PROC_COEF,
 550                                          0);
 551                 snd_iprintf(buffer, "    Coeff 0x%02x: 0x%04x\n", i, val);
 552         }
 553         snd_hda_codec_write(codec, nid, 0, AC_VERB_SET_COEF_INDEX, oldindex);
 554 }
 555
 556 static void print_conn_list(struct snd_info_buffer *buffer,
 557                             struct hda_codec *codec, hda_nid_t nid,
 558                             unsigned int wid_type, hda_nid_t *conn,
 559                             int conn_len)
 560 {
 561         int c, curr = -1;
 562         const hda_nid_t *list;
 563         int cache_len;
 564
 565         if (conn_len > 1 &&
 566             wid_type != AC_WID_AUD_MIX &&
 567             wid_type != AC_WID_VOL_KNB &&
 568             wid_type != AC_WID_POWER)
 569                 curr = snd_hda_codec_read(codec, nid, 0,
 570                                           AC_VERB_GET_CONNECT_SEL, 0);
 571         snd_iprintf(buffer, "  Connection: %d\n", conn_len);
 572         if (conn_len > 0) {
 573                 snd_iprintf(buffer, "    ");
 574                 for (c = 0; c < conn_len; c++) {
 575                         snd_iprintf(buffer, " 0x%02x", conn[c]);
 576                         if (c == curr)
 577                                 snd_iprintf(buffer, "*");
 578                 }
 579                 snd_iprintf(buffer, "\n");
 580         }
 581
 582         /* Get Cache connections info */
 583         cache_len = snd_hda_get_conn_list(codec, nid, &list);
 584         if (cache_len != conn_len
 585                         || memcmp(list, conn, conn_len)) {
 586                 snd_iprintf(buffer, "  In-driver Connection: %d\n", cache_len);
 587                 if (cache_len > 0) {
 588                         snd_iprintf(buffer, "    ");
 589                         for (c = 0; c < cache_len; c++)
 590                                 snd_iprintf(buffer, " 0x%02x", list[c]);
 591                         snd_iprintf(buffer, "\n");
 592                 }
 593         }
 594 }
 595
 596 static void print_gpio(struct snd_info_buffer *buffer,
 597                        struct hda_codec *codec, hda_nid_t nid)
 598 {
 599         unsigned int gpio =
 600                 snd_hda_param_read(codec, codec->afg, AC_PAR_GPIO_CAP);
 601         unsigned int enable, direction, wake, unsol, sticky, data;
 602         int i, max;
 603         snd_iprintf(buffer, "GPIO: io=%d, o=%d, i=%d, "
 604                     "unsolicited=%d, wake=%d\n",
 605                     gpio & AC_GPIO_IO_COUNT,
 606                     (gpio & AC_GPIO_O_COUNT) >> AC_GPIO_O_COUNT_SHIFT,
 607                     (gpio & AC_GPIO_I_COUNT) >> AC_GPIO_I_COUNT_SHIFT,
 608                     (gpio & AC_GPIO_UNSOLICITED) ? 1 : 0,
 609                     (gpio & AC_GPIO_WAKE) ? 1 : 0);
 610         max = gpio & AC_GPIO_IO_COUNT;
 611         if (!max || max > 8)
 612                 return;
 613         enable = snd_hda_codec_read(codec, nid, 0,
 614                                     AC_VERB_GET_GPIO_MASK, 0);
 615         direction = snd_hda_codec_read(codec, nid, 0,
 616                                        AC_VERB_GET_GPIO_DIRECTION, 0);
 617         wake = snd_hda_codec_read(codec, nid, 0,
 618                                   AC_VERB_GET_GPIO_WAKE_MASK, 0);
 619         unsol  = snd_hda_codec_read(codec, nid, 0,
 620                                     AC_VERB_GET_GPIO_UNSOLICITED_RSP_MASK, 0);
 621         sticky = snd_hda_codec_read(codec, nid, 0,
 622                                     AC_VERB_GET_GPIO_STICKY_MASK, 0);
 623         data = snd_hda_codec_read(codec, nid, 0,
 624                                   AC_VERB_GET_GPIO_DATA, 0);
 625         for (i = 0; i < max; ++i)
 626                 snd_iprintf(buffer,
 627                             "  IO[%d]: enable=%d, dir=%d, wake=%d, "
 628                             "sticky=%d, data=%d, unsol=%d\n", i,
 629                             (enable & (1<<i)) ? 1 : 0,
 630                             (direction & (1<<i)) ? 1 : 0,
 631                             (wake & (1<<i)) ? 1 : 0,
 632                             (sticky & (1<<i)) ? 1 : 0,
 633                             (data & (1<<i)) ? 1 : 0,
 634                             (unsol & (1<<i)) ? 1 : 0);
 635         /* FIXME: add GPO and GPI pin information */
 636         print_nid_array(buffer, codec, nid, &codec->mixers);
 637         print_nid_array(buffer, codec, nid, &codec->nids);
 638 }
 639
 640 static void print_device_list(struct snd_info_buffer *buffer,
 641                             struct hda_codec *codec, hda_nid_t nid)
 642 {
 643         int i, curr = -1;
 644         u8 dev_list[AC_MAX_DEV_LIST_LEN];
 645         int devlist_len;
 646
 647         devlist_len = snd_hda_get_devices(codec, nid, dev_list,
 648                                         AC_MAX_DEV_LIST_LEN);
 649         snd_iprintf(buffer, "  Devices: %d\n", devlist_len);
 650         if (devlist_len <= 0)
 651                 return;
 652
 653         curr = snd_hda_codec_read(codec, nid, 0,
 654                                 AC_VERB_GET_DEVICE_SEL, 0);
 655
 656         for (i = 0; i < devlist_len; i++) {
 657                 if (i == curr)
 658                         snd_iprintf(buffer, "    *");
 659                 else
 660                         snd_iprintf(buffer, "     ");
 661
 662                 snd_iprintf(buffer,
 663                         "Dev %02d: PD = %d, ELDV = %d, IA = %d\n", i,
 664                         !!(dev_list[i] & AC_DE_PD),
 665                         !!(dev_list[i] & AC_DE_ELDV),
 666                         !!(dev_list[i] & AC_DE_IA));
 667         }
 668 }
 669
 670 static void print_codec_info(struct snd_info_entry *entry,
 671                              struct snd_info_buffer *buffer)
 672 {
 673         struct hda_codec *codec = entry->private_data;
 674         hda_nid_t nid;
 675         int i, nodes;
 676
 677         snd_iprintf(buffer, "Codec: ");
 678         if (codec->vendor_name && codec->chip_name)
 679                 snd_iprintf(buffer, "%s %s\n",
 680                             codec->vendor_name, codec->chip_name);
 681         else
 682                 snd_iprintf(buffer, "Not Set\n");
 683         snd_iprintf(buffer, "Address: %d\n", codec->addr);
 684         if (codec->afg)
 685                 snd_iprintf(buffer, "AFG Function Id: 0x%x (unsol %u)\n",
 686                         codec->afg_function_id, codec->afg_unsol);
 687         if (codec->mfg)
 688                 snd_iprintf(buffer, "MFG Function Id: 0x%x (unsol %u)\n",
 689                         codec->mfg_function_id, codec->mfg_unsol);
 690         snd_iprintf(buffer, "Vendor Id: 0x%08x\n", codec->vendor_id);
 691         snd_iprintf(buffer, "Subsystem Id: 0x%08x\n", codec->subsystem_id);
 692         snd_iprintf(buffer, "Revision Id: 0x%x\n", codec->revision_id);
 693
 694         if (codec->mfg)
 695                 snd_iprintf(buffer, "Modem Function Group: 0x%x\n", codec->mfg);
 696         else
 697                 snd_iprintf(buffer, "No Modem Function Group found\n");
 698
 699         if (! codec->afg)
 700                 return;
 701         snd_hda_power_up(codec);
 702         snd_iprintf(buffer, "Default PCM:\n");
 703         print_pcm_caps(buffer, codec, codec->afg);
 704         snd_iprintf(buffer, "Default Amp-In caps: ");
 705         print_amp_caps(buffer, codec, codec->afg, HDA_INPUT);
 706         snd_iprintf(buffer, "Default Amp-Out caps: ");
 707         print_amp_caps(buffer, codec, codec->afg, HDA_OUTPUT);
 708         snd_iprintf(buffer, "State of AFG node 0x%02x:\n", codec->afg);
 709         print_power_state(buffer, codec, codec->afg);
 710
 711         nodes = snd_hda_get_sub_nodes(codec, codec->afg, &nid);
 712         if (! nid || nodes < 0) {
 713                 snd_iprintf(buffer, "Invalid AFG subtree\n");
 714                 snd_hda_power_down(codec);
 715                 return;
 716         }
 717
 718         print_gpio(buffer, codec, codec->afg);
 719         if (codec->proc_widget_hook)
 720                 codec->proc_widget_hook(buffer, codec, codec->afg);
 721
 722         for (i = 0; i < nodes; i++, nid++) {
 723                 unsigned int wid_caps =
 724                         snd_hda_param_read(codec, nid,
 725                                            AC_PAR_AUDIO_WIDGET_CAP);
 726                 unsigned int wid_type = get_wcaps_type(wid_caps);
 727                 hda_nid_t *conn = NULL;
 728                 int conn_len = 0;
 729
 730                 snd_iprintf(buffer, "Node 0x%02x [%s] wcaps 0x%x:", nid,
 731                             get_wid_type_name(wid_type), wid_caps);
 732                 if (wid_caps & AC_WCAP_STEREO) {
 733                         unsigned int chans = get_wcaps_channels(wid_caps);
 734                         if (chans == 2)
 735                                 snd_iprintf(buffer, " Stereo");
 736                         else
 737                                 snd_iprintf(buffer, " %d-Channels", chans);
 738                 } else
 739                         snd_iprintf(buffer, " Mono");
 740                 if (wid_caps & AC_WCAP_DIGITAL)
 741                         snd_iprintf(buffer, " Digital");
 742                 if (wid_caps & AC_WCAP_IN_AMP)
 743                         snd_iprintf(buffer, " Amp-In");
 744                 if (wid_caps & AC_WCAP_OUT_AMP)
 745                         snd_iprintf(buffer, " Amp-Out");
 746                 if (wid_caps & AC_WCAP_STRIPE)
 747                         snd_iprintf(buffer, " Stripe");
 748                 if (wid_caps & AC_WCAP_LR_SWAP)
 749                         snd_iprintf(buffer, " R/L");
 750                 if (wid_caps & AC_WCAP_CP_CAPS)
 751                         snd_iprintf(buffer, " CP");
 752                 snd_iprintf(buffer, "\n");
 753
 754                 print_nid_array(buffer, codec, nid, &codec->mixers);
 755                 print_nid_array(buffer, codec, nid, &codec->nids);
 756                 print_nid_pcms(buffer, codec, nid);
 757
 758                 /* volume knob is a special widget that always have connection
 759                  * list
 760                  */
 761                 if (wid_type == AC_WID_VOL_KNB)
 762                         wid_caps |= AC_WCAP_CONN_LIST;
 763
 764                 if (wid_caps & AC_WCAP_CONN_LIST) {
 765                         conn_len = snd_hda_get_num_raw_conns(codec, nid);
 766                         if (conn_len > 0) {
 767                                 conn = kmalloc(sizeof(hda_nid_t) * conn_len,
 768                                                GFP_KERNEL);
 769                                 if (!conn)
 770                                         return;
 771                                 if (snd_hda_get_raw_connections(codec, nid, conn,
 772                                                                 conn_len) < 0)
 773                                         conn_len = 0;
 774                         }
 775                 }
 776
 777                 if (wid_caps & AC_WCAP_IN_AMP) {
 778                         snd_iprintf(buffer, "  Amp-In caps: ");
 779                         print_amp_caps(buffer, codec, nid, HDA_INPUT);
 780                         snd_iprintf(buffer, "  Amp-In vals: ");
 781                         if (wid_type == AC_WID_PIN ||
 782                             (codec->single_adc_amp &&
 783                              wid_type == AC_WID_AUD_IN))
 784                                 print_amp_vals(buffer, codec, nid, HDA_INPUT,
 785                                                wid_caps, 1);
 786                         else
 787                                 print_amp_vals(buffer, codec, nid, HDA_INPUT,
 788                                                wid_caps, conn_len);
 789                 }
 790                 if (wid_caps & AC_WCAP_OUT_AMP) {
 791                         snd_iprintf(buffer, "  Amp-Out caps: ");
 792                         print_amp_caps(buffer, codec, nid, HDA_OUTPUT);
 793                         snd_iprintf(buffer, "  Amp-Out vals: ");
 794                         if (wid_type == AC_WID_PIN &&
 795                             codec->pin_amp_workaround)
 796                                 print_amp_vals(buffer, codec, nid, HDA_OUTPUT,
 797                                                wid_caps, conn_len);
 798                         else
 799                                 print_amp_vals(buffer, codec, nid, HDA_OUTPUT,
 800                                                wid_caps, 1);
 801                 }
 802
 803                 switch (wid_type) {
 804                 case AC_WID_PIN: {
 805                         int supports_vref;
 806                         print_pin_caps(buffer, codec, nid, &supports_vref);
 807                         print_pin_ctls(buffer, codec, nid, supports_vref);
 808                         break;
 809                 }
 810                 case AC_WID_VOL_KNB:
 811                         print_vol_knob(buffer, codec, nid);
 812                         break;
 813                 case AC_WID_AUD_OUT:
 814                 case AC_WID_AUD_IN:
 815                         print_audio_io(buffer, codec, nid, wid_type);
 816                         if (wid_caps & AC_WCAP_DIGITAL)
 817                                 print_digital_conv(buffer, codec, nid);
 818                         if (wid_caps & AC_WCAP_FORMAT_OVRD) {
 819                                 snd_iprintf(buffer, "  PCM:\n");
 820                                 print_pcm_caps(buffer, codec, nid);
 821                         }
 822                         break;
 823                 }
 824
 825                 if (wid_caps & AC_WCAP_UNSOL_CAP)
 826                         print_unsol_cap(buffer, codec, nid);
 827
 828                 if (wid_caps & AC_WCAP_POWER)
 829                         print_power_state(buffer, codec, nid);
 830
 831                 if (wid_caps & AC_WCAP_DELAY)
 832                         snd_iprintf(buffer, "  Delay: %d samples\n",
 833                                     (wid_caps & AC_WCAP_DELAY) >>
 834                                     AC_WCAP_DELAY_SHIFT);
 835
 836                 if (wid_type == AC_WID_PIN && codec->dp_mst)
 837                         print_device_list(buffer, codec, nid);
 838
 839                 if (wid_caps & AC_WCAP_CONN_LIST)
 840                         print_conn_list(buffer, codec, nid, wid_type,
 841                                         conn, conn_len);
 842
 843                 if (wid_caps & AC_WCAP_PROC_WID)
 844                         print_proc_caps(buffer, codec, nid);
 845
 846                 if (codec->proc_widget_hook)
 847                         codec->proc_widget_hook(buffer, codec, nid);
 848
 849                 kfree(conn);
 850         }
 851         snd_hda_power_down(codec);
 852 }
 853
 854 /*
 855  * create a proc read
 856  */
 857 int snd_hda_codec_proc_new(struct hda_codec *codec)
 858 {
 859         char name[32];
 860         struct snd_info_entry *entry;
 861         int err;
 862
 863         snprintf(name, sizeof(name), "codec#%d", codec->addr);
 864         err = snd_card_proc_new(codec->bus->card, name, &entry);
 865         if (err < 0)
 866                 return err;
 867
 868         snd_info_set_text_ops(entry, codec, print_codec_info);
 869         return 0;
 870 }
 871