kernel/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 /* always use noncached version */
  36 #define param_read(codec, nid, parm) \
  37         snd_hdac_read_parm_uncached(&(codec)->core, nid, parm)
  38
  39 static char *bits_names(unsigned int bits, char *names[], int size)
  40 {
  41         int i, n;
  42         static char buf[128];
  43
  44         for (i = 0, n = 0; i < size; i++) {
  45                 if (bits & (1U<<i) && names[i])
  46                         n += snprintf(buf + n, sizeof(buf) - n, " %s",
  47                                       names[i]);
  48         }
  49         buf[n] = '\0';
  50
  51         return buf;
  52 }
  53
  54 static const char *get_wid_type_name(unsigned int wid_value)
  55 {
  56         static char *names[16] = {
  57                 [AC_WID_AUD_OUT] = "Audio Output",
  58                 [AC_WID_AUD_IN] = "Audio Input",
  59                 [AC_WID_AUD_MIX] = "Audio Mixer",
  60                 [AC_WID_AUD_SEL] = "Audio Selector",
  61                 [AC_WID_PIN] = "Pin Complex",
  62                 [AC_WID_POWER] = "Power Widget",
  63                 [AC_WID_VOL_KNB] = "Volume Knob Widget",
  64                 [AC_WID_BEEP] = "Beep Generator Widget",
  65                 [AC_WID_VENDOR] = "Vendor Defined Widget",
  66         };
  67         if (wid_value == -1)
  68                 return "UNKNOWN Widget";
  69         wid_value &= 0xf;
  70         if (names[wid_value])
  71                 return names[wid_value];
  72         else
  73                 return "UNKNOWN Widget";
  74 }
  75
  76 static void print_nid_array(struct snd_info_buffer *buffer,
  77                             struct hda_codec *codec, hda_nid_t nid,
  78                             struct snd_array *array)
  79 {
  80         int i;
  81         struct hda_nid_item *items = array->list, *item;
  82         struct snd_kcontrol *kctl;
  83         for (i = 0; i < array->used; i++) {
  84                 item = &items[i];
  85                 if (item->nid == nid) {
  86                         kctl = item->kctl;
  87                         snd_iprintf(buffer,
  88                           "  Control: name=\"%s\", index=%i, device=%i\n",
  89                           kctl->id.name, kctl->id.index + item->index,
  90                           kctl->id.device);
  91                         if (item->flags & HDA_NID_ITEM_AMP)
  92                                 snd_iprintf(buffer,
  93                                   "    ControlAmp: chs=%lu, dir=%s, "
  94                                   "idx=%lu, ofs=%lu\n",
  95                                   get_amp_channels(kctl),
  96                                   get_amp_direction(kctl) ? "Out" : "In",
  97                                   get_amp_index(kctl),
  98                                   get_amp_offset(kctl));
  99                 }
 100         }
 101 }
 102
 103 static void print_nid_pcms(struct snd_info_buffer *buffer,
 104                            struct hda_codec *codec, hda_nid_t nid)
 105 {
 106         int type;
 107         struct hda_pcm *cpcm;
 108
 109         list_for_each_entry(cpcm, &codec->pcm_list_head, list) {
 110                 for (type = 0; type < 2; type++) {
 111                         if (cpcm->stream[type].nid != nid || cpcm->pcm == NULL)
 112                                 continue;
 113                         snd_iprintf(buffer, "  Device: name=\"%s\", "
 114                                     "type=\"%s\", device=%i\n",
 115                                     cpcm->name,
 116                                     snd_hda_pcm_type_name[cpcm->pcm_type],
 117                                     cpcm->pcm->device);
 118                 }
 119         }
 120 }
 121
 122 static void print_amp_caps(struct snd_info_buffer *buffer,
 123                            struct hda_codec *codec, hda_nid_t nid, int dir)
 124 {
 125         unsigned int caps;
 126         caps = param_read(codec, nid, dir == HDA_OUTPUT ?
 127                           AC_PAR_AMP_OUT_CAP : AC_PAR_AMP_IN_CAP);
 128         if (caps == -1 || caps == 0) {
 129                 snd_iprintf(buffer, "N/A\n");
 130                 return;
 131         }
 132         snd_iprintf(buffer, "ofs=0x%02x, nsteps=0x%02x, stepsize=0x%02x, "
 133                     "mute=%x\n",
 134                     caps & AC_AMPCAP_OFFSET,
 135                     (caps & AC_AMPCAP_NUM_STEPS) >> AC_AMPCAP_NUM_STEPS_SHIFT,
 136                     (caps & AC_AMPCAP_STEP_SIZE) >> AC_AMPCAP_STEP_SIZE_SHIFT,
 137                     (caps & AC_AMPCAP_MUTE) >> AC_AMPCAP_MUTE_SHIFT);
 138 }
 139
 140 /* is this a stereo widget or a stereo-to-mono mix? */
 141 static bool is_stereo_amps(struct hda_codec *codec, hda_nid_t nid,
 142                            int dir, unsigned int wcaps, int indices)
 143 {
 144         hda_nid_t conn;
 145
 146         if (wcaps & AC_WCAP_STEREO)
 147                 return true;
 148         /* check for a stereo-to-mono mix; it must be:
 149          * only a single connection, only for input, and only a mixer widget
 150          */
 151         if (indices != 1 || dir != HDA_INPUT ||
 152             get_wcaps_type(wcaps) != AC_WID_AUD_MIX)
 153                 return false;
 154
 155         if (snd_hda_get_raw_connections(codec, nid, &conn, 1) < 0)
 156                 return false;
 157         /* the connection source is a stereo? */
 158         wcaps = snd_hda_param_read(codec, conn, AC_PAR_AUDIO_WIDGET_CAP);
 159         return !!(wcaps & AC_WCAP_STEREO);
 160 }
 161
 162 static void print_amp_vals(struct snd_info_buffer *buffer,
 163                            struct hda_codec *codec, hda_nid_t nid,
 164                            int dir, unsigned int wcaps, int indices)
 165 {
 166         unsigned int val;
 167         bool stereo;
 168         int i;
 169
 170         stereo = is_stereo_amps(codec, nid, dir, wcaps, indices);
 171
 172         dir = dir == HDA_OUTPUT ? AC_AMP_GET_OUTPUT : AC_AMP_GET_INPUT;
 173         for (i = 0; i < indices; i++) {
 174                 snd_iprintf(buffer, " [");
 175                 val = snd_hda_codec_read(codec, nid, 0,
 176                                          AC_VERB_GET_AMP_GAIN_MUTE,
 177                                          AC_AMP_GET_LEFT | dir | i);
 178                 snd_iprintf(buffer, "0x%02x", val);
 179                 if (stereo) {
 180                         val = snd_hda_codec_read(codec, nid, 0,
 181                                                  AC_VERB_GET_AMP_GAIN_MUTE,
 182                                                  AC_AMP_GET_RIGHT | dir | i);
 183                         snd_iprintf(buffer, " 0x%02x", val);
 184                 }
 185                 snd_iprintf(buffer, "]");
 186         }
 187         snd_iprintf(buffer, "\n");
 188 }
 189
 190 static void print_pcm_rates(struct snd_info_buffer *buffer, unsigned int pcm)
 191 {
 192         static unsigned int rates[] = {
 193                 8000, 11025, 16000, 22050, 32000, 44100, 48000, 88200,
 194                 96000, 176400, 192000, 384000
 195         };
 196         int i;
 197
 198         pcm &= AC_SUPPCM_RATES;
 199         snd_iprintf(buffer, "    rates [0x%x]:", pcm);
 200         for (i = 0; i < ARRAY_SIZE(rates); i++)
 201                 if (pcm & (1 << i))
 202                         snd_iprintf(buffer,  " %d", rates[i]);
 203         snd_iprintf(buffer, "\n");
 204 }
 205
 206 static void print_pcm_bits(struct snd_info_buffer *buffer, unsigned int pcm)
 207 {
 208         char buf[SND_PRINT_BITS_ADVISED_BUFSIZE];
 209
 210         snd_iprintf(buffer, "    bits [0x%x]:", (pcm >> 16) & 0xff);
 211         snd_print_pcm_bits(pcm, buf, sizeof(buf));
 212         snd_iprintf(buffer, "%s\n", buf);
 213 }
 214
 215 static void print_pcm_formats(struct snd_info_buffer *buffer,
 216                               unsigned int streams)
 217 {
 218         snd_iprintf(buffer, "    formats [0x%x]:", streams & 0xf);
 219         if (streams & AC_SUPFMT_PCM)
 220                 snd_iprintf(buffer, " PCM");
 221         if (streams & AC_SUPFMT_FLOAT32)
 222                 snd_iprintf(buffer, " FLOAT");
 223         if (streams & AC_SUPFMT_AC3)
 224                 snd_iprintf(buffer, " AC3");
 225         snd_iprintf(buffer, "\n");
 226 }
 227
 228 static void print_pcm_caps(struct snd_info_buffer *buffer,
 229                            struct hda_codec *codec, hda_nid_t nid)
 230 {
 231         unsigned int pcm = param_read(codec, nid, AC_PAR_PCM);
 232         unsigned int stream = param_read(codec, nid, AC_PAR_STREAM);
 233         if (pcm == -1 || stream == -1) {
 234                 snd_iprintf(buffer, "N/A\n");
 235                 return;
 236         }
 237         print_pcm_rates(buffer, pcm);
 238         print_pcm_bits(buffer, pcm);
 239         print_pcm_formats(buffer, stream);
 240 }
 241
 242 static const char *get_jack_connection(u32 cfg)
 243 {
 244         static char *names[16] = {
 245                 "Unknown", "1/8", "1/4", "ATAPI",
 246                 "RCA", "Optical","Digital", "Analog",
 247                 "DIN", "XLR", "RJ11", "Comb",
 248                 NULL, NULL, NULL, "Other"
 249         };
 250         cfg = (cfg & AC_DEFCFG_CONN_TYPE) >> AC_DEFCFG_CONN_TYPE_SHIFT;
 251         if (names[cfg])
 252                 return names[cfg];
 253         else
 254                 return "UNKNOWN";
 255 }
 256
 257 static const char *get_jack_color(u32 cfg)
 258 {
 259         static char *names[16] = {
 260                 "Unknown", "Black", "Grey", "Blue",
 261                 "Green", "Red", "Orange", "Yellow",
 262                 "Purple", "Pink", NULL, NULL,
 263                 NULL, NULL, "White", "Other",
 264         };
 265         cfg = (cfg & AC_DEFCFG_COLOR) >> AC_DEFCFG_COLOR_SHIFT;
 266         if (names[cfg])
 267                 return names[cfg];
 268         else
 269                 return "UNKNOWN";
 270 }
 271
 272 static void print_pin_caps(struct snd_info_buffer *buffer,
 273                            struct hda_codec *codec, hda_nid_t nid,
 274                            int *supports_vref)
 275 {
 276         static char *jack_conns[4] = { "Jack", "N/A", "Fixed", "Both" };
 277         unsigned int caps, val;
 278
 279         caps = param_read(codec, nid, AC_PAR_PIN_CAP);
 280         snd_iprintf(buffer, "  Pincap 0x%08x:", caps);
 281         if (caps & AC_PINCAP_IN)
 282                 snd_iprintf(buffer, " IN");
 283         if (caps & AC_PINCAP_OUT)
 284                 snd_iprintf(buffer, " OUT");
 285         if (caps & AC_PINCAP_HP_DRV)
 286                 snd_iprintf(buffer, " HP");
 287         if (caps & AC_PINCAP_EAPD)
 288                 snd_iprintf(buffer, " EAPD");
 289         if (caps & AC_PINCAP_PRES_DETECT)
 290                 snd_iprintf(buffer, " Detect");
 291         if (caps & AC_PINCAP_BALANCE)
 292                 snd_iprintf(buffer, " Balanced");
 293         if (caps & AC_PINCAP_HDMI) {
 294                 /* Realtek uses this bit as a different meaning */
 295                 if ((codec->core.vendor_id >> 16) == 0x10ec)
 296                         snd_iprintf(buffer, " R/L");
 297                 else {
 298                         if (caps & AC_PINCAP_HBR)
 299                                 snd_iprintf(buffer, " HBR");
 300                         snd_iprintf(buffer, " HDMI");
 301                 }
 302         }
 303         if (caps & AC_PINCAP_DP)
 304                 snd_iprintf(buffer, " DP");
 305         if (caps & AC_PINCAP_TRIG_REQ)
 306                 snd_iprintf(buffer, " Trigger");
 307         if (caps & AC_PINCAP_IMP_SENSE)
 308                 snd_iprintf(buffer, " ImpSense");
 309         snd_iprintf(buffer, "\n");
 310         if (caps & AC_PINCAP_VREF) {
 311                 unsigned int vref =
 312                         (caps & AC_PINCAP_VREF) >> AC_PINCAP_VREF_SHIFT;
 313                 snd_iprintf(buffer, "    Vref caps:");
 314                 if (vref & AC_PINCAP_VREF_HIZ)
 315                         snd_iprintf(buffer, " HIZ");
 316                 if (vref & AC_PINCAP_VREF_50)
 317                         snd_iprintf(buffer, " 50");
 318                 if (vref & AC_PINCAP_VREF_GRD)
 319                         snd_iprintf(buffer, " GRD");
 320                 if (vref & AC_PINCAP_VREF_80)
 321                         snd_iprintf(buffer, " 80");
 322                 if (vref & AC_PINCAP_VREF_100)
 323                         snd_iprintf(buffer, " 100");
 324                 snd_iprintf(buffer, "\n");
 325                 *supports_vref = 1;
 326         } else
 327                 *supports_vref = 0;
 328         if (caps & AC_PINCAP_EAPD) {
 329                 val = snd_hda_codec_read(codec, nid, 0,
 330                                          AC_VERB_GET_EAPD_BTLENABLE, 0);
 331                 snd_iprintf(buffer, "  EAPD 0x%x:", val);
 332                 if (val & AC_EAPDBTL_BALANCED)
 333                         snd_iprintf(buffer, " BALANCED");
 334                 if (val & AC_EAPDBTL_EAPD)
 335                         snd_iprintf(buffer, " EAPD");
 336                 if (val & AC_EAPDBTL_LR_SWAP)
 337                         snd_iprintf(buffer, " R/L");
 338                 snd_iprintf(buffer, "\n");
 339         }
 340         caps = snd_hda_codec_read(codec, nid, 0, AC_VERB_GET_CONFIG_DEFAULT, 0);
 341         snd_iprintf(buffer, "  Pin Default 0x%08x: [%s] %s at %s %s\n", caps,
 342                     jack_conns[(caps & AC_DEFCFG_PORT_CONN) >> AC_DEFCFG_PORT_CONN_SHIFT],
 343                     snd_hda_get_jack_type(caps),
 344                     snd_hda_get_jack_connectivity(caps),
 345                     snd_hda_get_jack_location(caps));
 346         snd_iprintf(buffer, "    Conn = %s, Color = %s\n",
 347                     get_jack_connection(caps),
 348                     get_jack_color(caps));
 349         /* Default association and sequence values refer to default grouping
 350          * of pin complexes and their sequence within the group. This is used
 351          * for priority and resource allocation.
 352          */
 353         snd_iprintf(buffer, "    DefAssociation = 0x%x, Sequence = 0x%x\n",
 354                     (caps & AC_DEFCFG_DEF_ASSOC) >> AC_DEFCFG_ASSOC_SHIFT,
 355                     caps & AC_DEFCFG_SEQUENCE);
 356         if (((caps & AC_DEFCFG_MISC) >> AC_DEFCFG_MISC_SHIFT) &
 357             AC_DEFCFG_MISC_NO_PRESENCE) {
 358                 /* Miscellaneous bit indicates external hardware does not
 359                  * support presence detection even if the pin complex
 360                  * indicates it is supported.
 361                  */
 362                 snd_iprintf(buffer, "    Misc = NO_PRESENCE\n");
 363         }
 364 }
 365
 366 static void print_pin_ctls(struct snd_info_buffer *buffer,
 367                            struct hda_codec *codec, hda_nid_t nid,
 368                            int supports_vref)
 369 {
 370         unsigned int pinctls;
 371
 372         pinctls = snd_hda_codec_read(codec, nid, 0,
 373                                      AC_VERB_GET_PIN_WIDGET_CONTROL, 0);
 374         snd_iprintf(buffer, "  Pin-ctls: 0x%02x:", pinctls);
 375         if (pinctls & AC_PINCTL_IN_EN)
 376                 snd_iprintf(buffer, " IN");
 377         if (pinctls & AC_PINCTL_OUT_EN)
 378                 snd_iprintf(buffer, " OUT");
 379         if (pinctls & AC_PINCTL_HP_EN)
 380                 snd_iprintf(buffer, " HP");
 381         if (supports_vref) {
 382                 int vref = pinctls & AC_PINCTL_VREFEN;
 383                 switch (vref) {
 384                 case AC_PINCTL_VREF_HIZ:
 385                         snd_iprintf(buffer, " VREF_HIZ");
 386                         break;
 387                 case AC_PINCTL_VREF_50:
 388                         snd_iprintf(buffer, " VREF_50");
 389                         break;
 390                 case AC_PINCTL_VREF_GRD:
 391                         snd_iprintf(buffer, " VREF_GRD");
 392                         break;
 393                 case AC_PINCTL_VREF_80:
 394                         snd_iprintf(buffer, " VREF_80");
 395                         break;
 396                 case AC_PINCTL_VREF_100:
 397                         snd_iprintf(buffer, " VREF_100");
 398                         break;
 399                 }
 400         }
 401         snd_iprintf(buffer, "\n");
 402 }
 403
 404 static void print_vol_knob(struct snd_info_buffer *buffer,
 405                            struct hda_codec *codec, hda_nid_t nid)
 406 {
 407         unsigned int cap = param_read(codec, nid, AC_PAR_VOL_KNB_CAP);
 408         snd_iprintf(buffer, "  Volume-Knob: delta=%d, steps=%d, ",
 409                     (cap >> 7) & 1, cap & 0x7f);
 410         cap = snd_hda_codec_read(codec, nid, 0,
 411                                  AC_VERB_GET_VOLUME_KNOB_CONTROL, 0);
 412         snd_iprintf(buffer, "direct=%d, val=%d\n",
 413                     (cap >> 7) & 1, cap & 0x7f);
 414 }
 415
 416 static void print_audio_io(struct snd_info_buffer *buffer,
 417                            struct hda_codec *codec, hda_nid_t nid,
 418                            unsigned int wid_type)
 419 {
 420         int conv = snd_hda_codec_read(codec, nid, 0, AC_VERB_GET_CONV, 0);
 421         snd_iprintf(buffer,
 422                     "  Converter: stream=%d, channel=%d\n",
 423                     (conv & AC_CONV_STREAM) >> AC_CONV_STREAM_SHIFT,
 424                     conv & AC_CONV_CHANNEL);
 425
 426         if (wid_type == AC_WID_AUD_IN && (conv & AC_CONV_CHANNEL) == 0) {
 427                 int sdi = snd_hda_codec_read(codec, nid, 0,
 428                                              AC_VERB_GET_SDI_SELECT, 0);
 429                 snd_iprintf(buffer, "  SDI-Select: %d\n",
 430                             sdi & AC_SDI_SELECT);
 431         }
 432 }
 433
 434 static void print_digital_conv(struct snd_info_buffer *buffer,
 435                                struct hda_codec *codec, hda_nid_t nid)
 436 {
 437         unsigned int digi1 = snd_hda_codec_read(codec, nid, 0,
 438                                                 AC_VERB_GET_DIGI_CONVERT_1, 0);
 439         unsigned char digi2 = digi1 >> 8;
 440         unsigned char digi3 = digi1 >> 16;
 441
 442         snd_iprintf(buffer, "  Digital:");
 443         if (digi1 & AC_DIG1_ENABLE)
 444                 snd_iprintf(buffer, " Enabled");
 445         if (digi1 & AC_DIG1_V)
 446                 snd_iprintf(buffer, " Validity");
 447         if (digi1 & AC_DIG1_VCFG)
 448                 snd_iprintf(buffer, " ValidityCfg");
 449         if (digi1 & AC_DIG1_EMPHASIS)
 450                 snd_iprintf(buffer, " Preemphasis");
 451         if (digi1 & AC_DIG1_COPYRIGHT)
 452                 snd_iprintf(buffer, " Non-Copyright");
 453         if (digi1 & AC_DIG1_NONAUDIO)
 454                 snd_iprintf(buffer, " Non-Audio");
 455         if (digi1 & AC_DIG1_PROFESSIONAL)
 456                 snd_iprintf(buffer, " Pro");
 457         if (digi1 & AC_DIG1_LEVEL)
 458                 snd_iprintf(buffer, " GenLevel");
 459         if (digi3 & AC_DIG3_KAE)
 460                 snd_iprintf(buffer, " KAE");
 461         snd_iprintf(buffer, "\n");
 462         snd_iprintf(buffer, "  Digital category: 0x%x\n",
 463                     digi2 & AC_DIG2_CC);
 464         snd_iprintf(buffer, "  IEC Coding Type: 0x%x\n",
 465                         digi3 & AC_DIG3_ICT);
 466 }
 467
 468 static const char *get_pwr_state(u32 state)
 469 {
 470         static const char * const buf[] = {
 471                 "D0", "D1", "D2", "D3", "D3cold"
 472         };
 473         if (state < ARRAY_SIZE(buf))
 474                 return buf[state];
 475         return "UNKNOWN";
 476 }
 477
 478 static void print_power_state(struct snd_info_buffer *buffer,
 479                               struct hda_codec *codec, hda_nid_t nid)
 480 {
 481         static char *names[] = {
 482                 [ilog2(AC_PWRST_D0SUP)]         = "D0",
 483                 [ilog2(AC_PWRST_D1SUP)]         = "D1",
 484                 [ilog2(AC_PWRST_D2SUP)]         = "D2",
 485                 [ilog2(AC_PWRST_D3SUP)]         = "D3",
 486                 [ilog2(AC_PWRST_D3COLDSUP)]     = "D3cold",
 487                 [ilog2(AC_PWRST_S3D3COLDSUP)]   = "S3D3cold",
 488                 [ilog2(AC_PWRST_CLKSTOP)]       = "CLKSTOP",
 489                 [ilog2(AC_PWRST_EPSS)]          = "EPSS",
 490         };
 491
 492         int sup = param_read(codec, nid, AC_PAR_POWER_STATE);
 493         int pwr = snd_hda_codec_read(codec, nid, 0,
 494                                      AC_VERB_GET_POWER_STATE, 0);
 495         if (sup != -1)
 496                 snd_iprintf(buffer, "  Power states: %s\n",
 497                             bits_names(sup, names, ARRAY_SIZE(names)));
 498
 499         snd_iprintf(buffer, "  Power: setting=%s, actual=%s",
 500                     get_pwr_state(pwr & AC_PWRST_SETTING),
 501                     get_pwr_state((pwr & AC_PWRST_ACTUAL) >>
 502                                   AC_PWRST_ACTUAL_SHIFT));
 503         if (pwr & AC_PWRST_ERROR)
 504                 snd_iprintf(buffer, ", Error");
 505         if (pwr & AC_PWRST_CLK_STOP_OK)
 506                 snd_iprintf(buffer, ", Clock-stop-OK");
 507         if (pwr & AC_PWRST_SETTING_RESET)
 508                 snd_iprintf(buffer, ", Setting-reset");
 509         snd_iprintf(buffer, "\n");
 510 }
 511
 512 static void print_unsol_cap(struct snd_info_buffer *buffer,
 513                               struct hda_codec *codec, hda_nid_t nid)
 514 {
 515         int unsol = snd_hda_codec_read(codec, nid, 0,
 516                                        AC_VERB_GET_UNSOLICITED_RESPONSE, 0);
 517         snd_iprintf(buffer,
 518                     "  Unsolicited: tag=%02x, enabled=%d\n",
 519                     unsol & AC_UNSOL_TAG,
 520                     (unsol & AC_UNSOL_ENABLED) ? 1 : 0);
 521 }
 522
 523 static inline bool can_dump_coef(struct hda_codec *codec)
 524 {
 525         switch (dump_coef) {
 526         case 0: return false;
 527         case 1: return true;
 528         default: return codec->dump_coef;
 529         }
 530 }
 531
 532 static void print_proc_caps(struct snd_info_buffer *buffer,
 533                             struct hda_codec *codec, hda_nid_t nid)
 534 {
 535         unsigned int i, ncoeff, oldindex;
 536         unsigned int proc_caps = param_read(codec, nid, AC_PAR_PROC_CAP);
 537         ncoeff = (proc_caps & AC_PCAP_NUM_COEF) >> AC_PCAP_NUM_COEF_SHIFT;
 538         snd_iprintf(buffer, "  Processing caps: benign=%d, ncoeff=%d\n",
 539                     proc_caps & AC_PCAP_BENIGN, ncoeff);
 540
 541         if (!can_dump_coef(codec))
 542                 return;
 543
 544         /* Note: This is racy - another process could run in parallel and change
 545            the coef index too. */
 546         oldindex = snd_hda_codec_read(codec, nid, 0, AC_VERB_GET_COEF_INDEX, 0);
 547         for (i = 0; i < ncoeff; i++) {
 548                 unsigned int val;
 549                 snd_hda_codec_write(codec, nid, 0, AC_VERB_SET_COEF_INDEX, i);
 550                 val = snd_hda_codec_read(codec, nid, 0, AC_VERB_GET_PROC_COEF,
 551                                          0);
 552                 snd_iprintf(buffer, "    Coeff 0x%02x: 0x%04x\n", i, val);
 553         }
 554         snd_hda_codec_write(codec, nid, 0, AC_VERB_SET_COEF_INDEX, oldindex);
 555 }
 556
 557 static void print_conn_list(struct snd_info_buffer *buffer,
 558                             struct hda_codec *codec, hda_nid_t nid,
 559                             unsigned int wid_type, hda_nid_t *conn,
 560                             int conn_len)
 561 {
 562         int c, curr = -1;
 563         const hda_nid_t *list;
 564         int cache_len;
 565
 566         if (conn_len > 1 &&
 567             wid_type != AC_WID_AUD_MIX &&
 568             wid_type != AC_WID_VOL_KNB &&
 569             wid_type != AC_WID_POWER)
 570                 curr = snd_hda_codec_read(codec, nid, 0,
 571                                           AC_VERB_GET_CONNECT_SEL, 0);
 572         snd_iprintf(buffer, "  Connection: %d\n", conn_len);
 573         if (conn_len > 0) {
 574                 snd_iprintf(buffer, "    ");
 575                 for (c = 0; c < conn_len; c++) {
 576                         snd_iprintf(buffer, " 0x%02x", conn[c]);
 577                         if (c == curr)
 578                                 snd_iprintf(buffer, "*");
 579                 }
 580                 snd_iprintf(buffer, "\n");
 581         }
 582
 583         /* Get Cache connections info */
 584         cache_len = snd_hda_get_conn_list(codec, nid, &list);
 585         if (cache_len >= 0 && (cache_len != conn_len ||
 586                               memcmp(list, conn, conn_len) != 0)) {
 587                 snd_iprintf(buffer, "  In-driver Connection: %d\n", cache_len);
 588                 if (cache_len > 0) {
 589                         snd_iprintf(buffer, "    ");
 590                         for (c = 0; c < cache_len; c++)
 591                                 snd_iprintf(buffer, " 0x%02x", list[c]);
 592                         snd_iprintf(buffer, "\n");
 593                 }
 594         }
 595 }
 596
 597 static void print_gpio(struct snd_info_buffer *buffer,
 598                        struct hda_codec *codec, hda_nid_t nid)
 599 {
 600         unsigned int gpio =
 601                 param_read(codec, codec->core.afg, AC_PAR_GPIO_CAP);
 602         unsigned int enable, direction, wake, unsol, sticky, data;
 603         int i, max;
 604         snd_iprintf(buffer, "GPIO: io=%d, o=%d, i=%d, "
 605                     "unsolicited=%d, wake=%d\n",
 606                     gpio & AC_GPIO_IO_COUNT,
 607                     (gpio & AC_GPIO_O_COUNT) >> AC_GPIO_O_COUNT_SHIFT,
 608                     (gpio & AC_GPIO_I_COUNT) >> AC_GPIO_I_COUNT_SHIFT,
 609                     (gpio & AC_GPIO_UNSOLICITED) ? 1 : 0,
 610                     (gpio & AC_GPIO_WAKE) ? 1 : 0);
 611         max = gpio & AC_GPIO_IO_COUNT;
 612         if (!max || max > 8)
 613                 return;
 614         enable = snd_hda_codec_read(codec, nid, 0,
 615                                     AC_VERB_GET_GPIO_MASK, 0);
 616         direction = snd_hda_codec_read(codec, nid, 0,
 617                                        AC_VERB_GET_GPIO_DIRECTION, 0);
 618         wake = snd_hda_codec_read(codec, nid, 0,
 619                                   AC_VERB_GET_GPIO_WAKE_MASK, 0);
 620         unsol  = snd_hda_codec_read(codec, nid, 0,
 621                                     AC_VERB_GET_GPIO_UNSOLICITED_RSP_MASK, 0);
 622         sticky = snd_hda_codec_read(codec, nid, 0,
 623                                     AC_VERB_GET_GPIO_STICKY_MASK, 0);
 624         data = snd_hda_codec_read(codec, nid, 0,
 625                                   AC_VERB_GET_GPIO_DATA, 0);
 626         for (i = 0; i < max; ++i)
 627                 snd_iprintf(buffer,
 628                             "  IO[%d]: enable=%d, dir=%d, wake=%d, "
 629                             "sticky=%d, data=%d, unsol=%d\n", i,
 630                             (enable & (1<<i)) ? 1 : 0,
 631                             (direction & (1<<i)) ? 1 : 0,
 632                             (wake & (1<<i)) ? 1 : 0,
 633                             (sticky & (1<<i)) ? 1 : 0,
 634                             (data & (1<<i)) ? 1 : 0,
 635                             (unsol & (1<<i)) ? 1 : 0);
 636         /* FIXME: add GPO and GPI pin information */
 637         print_nid_array(buffer, codec, nid, &codec->mixers);
 638         print_nid_array(buffer, codec, nid, &codec->nids);
 639 }
 640
 641 static void print_device_list(struct snd_info_buffer *buffer,
 642                             struct hda_codec *codec, hda_nid_t nid)
 643 {
 644         int i, curr = -1;
 645         u8 dev_list[AC_MAX_DEV_LIST_LEN];
 646         int devlist_len;
 647
 648         devlist_len = snd_hda_get_devices(codec, nid, dev_list,
 649                                         AC_MAX_DEV_LIST_LEN);
 650         snd_iprintf(buffer, "  Devices: %d\n", devlist_len);
 651         if (devlist_len <= 0)
 652                 return;
 653
 654         curr = snd_hda_codec_read(codec, nid, 0,
 655                                 AC_VERB_GET_DEVICE_SEL, 0);
 656
 657         for (i = 0; i < devlist_len; i++) {
 658                 if (i == curr)
 659                         snd_iprintf(buffer, "    *");
 660                 else
 661                         snd_iprintf(buffer, "     ");
 662
 663                 snd_iprintf(buffer,
 664                         "Dev %02d: PD = %d, ELDV = %d, IA = %d\n", i,
 665                         !!(dev_list[i] & AC_DE_PD),
 666                         !!(dev_list[i] & AC_DE_ELDV),
 667                         !!(dev_list[i] & AC_DE_IA));
 668         }
 669 }
 670
 671 static void print_codec_core_info(struct hdac_device *codec,
 672                                   struct snd_info_buffer *buffer)
 673 {
 674         snd_iprintf(buffer, "Codec: ");
 675         if (codec->vendor_name && codec->chip_name)
 676                 snd_iprintf(buffer, "%s %s\n",
 677                             codec->vendor_name, codec->chip_name);
 678         else
 679                 snd_iprintf(buffer, "Not Set\n");
 680         snd_iprintf(buffer, "Address: %d\n", codec->addr);
 681         if (codec->afg)
 682                 snd_iprintf(buffer, "AFG Function Id: 0x%x (unsol %u)\n",
 683                         codec->afg_function_id, codec->afg_unsol);
 684         if (codec->mfg)
 685                 snd_iprintf(buffer, "MFG Function Id: 0x%x (unsol %u)\n",
 686                         codec->mfg_function_id, codec->mfg_unsol);
 687         snd_iprintf(buffer, "Vendor Id: 0x%08x\n", codec->vendor_id);
 688         snd_iprintf(buffer, "Subsystem Id: 0x%08x\n", codec->subsystem_id);
 689         snd_iprintf(buffer, "Revision Id: 0x%x\n", codec->revision_id);
 690
 691         if (codec->mfg)
 692                 snd_iprintf(buffer, "Modem Function Group: 0x%x\n", codec->mfg);
 693         else
 694                 snd_iprintf(buffer, "No Modem Function Group found\n");
 695 }
 696
 697 static void print_codec_info(struct snd_info_entry *entry,
 698                              struct snd_info_buffer *buffer)
 699 {
 700         struct hda_codec *codec = entry->private_data;
 701         hda_nid_t nid, fg;
 702         int i, nodes;
 703
 704         print_codec_core_info(&codec->core, buffer);
 705         fg = codec->core.afg;
 706         if (!fg)
 707                 return;
 708         snd_hda_power_up(codec);
 709         snd_iprintf(buffer, "Default PCM:\n");
 710         print_pcm_caps(buffer, codec, fg);
 711         snd_iprintf(buffer, "Default Amp-In caps: ");
 712         print_amp_caps(buffer, codec, fg, HDA_INPUT);
 713         snd_iprintf(buffer, "Default Amp-Out caps: ");
 714         print_amp_caps(buffer, codec, fg, HDA_OUTPUT);
 715         snd_iprintf(buffer, "State of AFG node 0x%02x:\n", fg);
 716         print_power_state(buffer, codec, fg);
 717
 718         nodes = snd_hda_get_sub_nodes(codec, fg, &nid);
 719         if (! nid || nodes < 0) {
 720                 snd_iprintf(buffer, "Invalid AFG subtree\n");
 721                 snd_hda_power_down(codec);
 722                 return;
 723         }
 724
 725         print_gpio(buffer, codec, fg);
 726         if (codec->proc_widget_hook)
 727                 codec->proc_widget_hook(buffer, codec, fg);
 728
 729         for (i = 0; i < nodes; i++, nid++) {
 730                 unsigned int wid_caps =
 731                         param_read(codec, nid, AC_PAR_AUDIO_WIDGET_CAP);
 732                 unsigned int wid_type = get_wcaps_type(wid_caps);
 733                 hda_nid_t *conn = NULL;
 734                 int conn_len = 0;
 735
 736                 snd_iprintf(buffer, "Node 0x%02x [%s] wcaps 0x%x:", nid,
 737                             get_wid_type_name(wid_type), wid_caps);
 738                 if (wid_caps & AC_WCAP_STEREO) {
 739                         unsigned int chans = get_wcaps_channels(wid_caps);
 740                         if (chans == 2)
 741                                 snd_iprintf(buffer, " Stereo");
 742                         else
 743                                 snd_iprintf(buffer, " %d-Channels", chans);
 744                 } else
 745                         snd_iprintf(buffer, " Mono");
 746                 if (wid_caps & AC_WCAP_DIGITAL)
 747                         snd_iprintf(buffer, " Digital");
 748                 if (wid_caps & AC_WCAP_IN_AMP)
 749                         snd_iprintf(buffer, " Amp-In");
 750                 if (wid_caps & AC_WCAP_OUT_AMP)
 751                         snd_iprintf(buffer, " Amp-Out");
 752                 if (wid_caps & AC_WCAP_STRIPE)
 753                         snd_iprintf(buffer, " Stripe");
 754                 if (wid_caps & AC_WCAP_LR_SWAP)
 755                         snd_iprintf(buffer, " R/L");
 756                 if (wid_caps & AC_WCAP_CP_CAPS)
 757                         snd_iprintf(buffer, " CP");
 758                 snd_iprintf(buffer, "\n");
 759
 760                 print_nid_array(buffer, codec, nid, &codec->mixers);
 761                 print_nid_array(buffer, codec, nid, &codec->nids);
 762                 print_nid_pcms(buffer, codec, nid);
 763
 764                 /* volume knob is a special widget that always have connection
 765                  * list
 766                  */
 767                 if (wid_type == AC_WID_VOL_KNB)
 768                         wid_caps |= AC_WCAP_CONN_LIST;
 769
 770                 if (wid_caps & AC_WCAP_CONN_LIST) {
 771                         conn_len = snd_hda_get_num_raw_conns(codec, nid);
 772                         if (conn_len > 0) {
 773                                 conn = kmalloc(sizeof(hda_nid_t) * conn_len,
 774                                                GFP_KERNEL);
 775                                 if (!conn)
 776                                         return;
 777                                 if (snd_hda_get_raw_connections(codec, nid, conn,
 778                                                                 conn_len) < 0)
 779                                         conn_len = 0;
 780                         }
 781                 }
 782
 783                 if (wid_caps & AC_WCAP_IN_AMP) {
 784                         snd_iprintf(buffer, "  Amp-In caps: ");
 785                         print_amp_caps(buffer, codec, nid, HDA_INPUT);
 786                         snd_iprintf(buffer, "  Amp-In vals: ");
 787                         if (wid_type == AC_WID_PIN ||
 788                             (codec->single_adc_amp &&
 789                              wid_type == AC_WID_AUD_IN))
 790                                 print_amp_vals(buffer, codec, nid, HDA_INPUT,
 791                                                wid_caps, 1);
 792                         else
 793                                 print_amp_vals(buffer, codec, nid, HDA_INPUT,
 794                                                wid_caps, conn_len);
 795                 }
 796                 if (wid_caps & AC_WCAP_OUT_AMP) {
 797                         snd_iprintf(buffer, "  Amp-Out caps: ");
 798                         print_amp_caps(buffer, codec, nid, HDA_OUTPUT);
 799                         snd_iprintf(buffer, "  Amp-Out vals: ");
 800                         if (wid_type == AC_WID_PIN &&
 801                             codec->pin_amp_workaround)
 802                                 print_amp_vals(buffer, codec, nid, HDA_OUTPUT,
 803                                                wid_caps, conn_len);
 804                         else
 805                                 print_amp_vals(buffer, codec, nid, HDA_OUTPUT,
 806                                                wid_caps, 1);
 807                 }
 808
 809                 switch (wid_type) {
 810                 case AC_WID_PIN: {
 811                         int supports_vref;
 812                         print_pin_caps(buffer, codec, nid, &supports_vref);
 813                         print_pin_ctls(buffer, codec, nid, supports_vref);
 814                         break;
 815                 }
 816                 case AC_WID_VOL_KNB:
 817                         print_vol_knob(buffer, codec, nid);
 818                         break;
 819                 case AC_WID_AUD_OUT:
 820                 case AC_WID_AUD_IN:
 821                         print_audio_io(buffer, codec, nid, wid_type);
 822                         if (wid_caps & AC_WCAP_DIGITAL)
 823                                 print_digital_conv(buffer, codec, nid);
 824                         if (wid_caps & AC_WCAP_FORMAT_OVRD) {
 825                                 snd_iprintf(buffer, "  PCM:\n");
 826                                 print_pcm_caps(buffer, codec, nid);
 827                         }
 828                         break;
 829                 }
 830
 831                 if (wid_caps & AC_WCAP_UNSOL_CAP)
 832                         print_unsol_cap(buffer, codec, nid);
 833
 834                 if (wid_caps & AC_WCAP_POWER)
 835                         print_power_state(buffer, codec, nid);
 836
 837                 if (wid_caps & AC_WCAP_DELAY)
 838                         snd_iprintf(buffer, "  Delay: %d samples\n",
 839                                     (wid_caps & AC_WCAP_DELAY) >>
 840                                     AC_WCAP_DELAY_SHIFT);
 841
 842                 if (wid_type == AC_WID_PIN && codec->dp_mst)
 843                         print_device_list(buffer, codec, nid);
 844
 845                 if (wid_caps & AC_WCAP_CONN_LIST)
 846                         print_conn_list(buffer, codec, nid, wid_type,
 847                                         conn, conn_len);
 848
 849                 if (wid_caps & AC_WCAP_PROC_WID)
 850                         print_proc_caps(buffer, codec, nid);
 851
 852                 if (codec->proc_widget_hook)
 853                         codec->proc_widget_hook(buffer, codec, nid);
 854
 855                 kfree(conn);
 856         }
 857         snd_hda_power_down(codec);
 858 }
 859
 860 /*
 861  * create a proc read
 862  */
 863 int snd_hda_codec_proc_new(struct hda_codec *codec)
 864 {
 865         char name[32];
 866         struct snd_info_entry *entry;
 867         int err;
 868
 869         snprintf(name, sizeof(name), "codec#%d", codec->core.addr);
 870         err = snd_card_proc_new(codec->card, name, &entry);
 871         if (err < 0)
 872                 return err;
 873
 874         snd_info_set_text_ops(entry, codec, print_codec_info);
 875         return 0;
 876 }
 877