sound/pci/hda/hda_proc.c

   1 /*
   2  * Universal Interface for Intel High Definition Audio Codec
   3  *
   4  * Generic proc interface
   5  *
   6  * Copyright (c) 2004 Takashi Iwai <tiwai@suse.de>
   7  *
   8  *
   9  *  This driver is free software; you can redistribute it and/or modify
  10  *  it under the terms of the GNU General Public License as published by
  11  *  the Free Software Foundation; either version 2 of the License, or
  12  *  (at your option) any later version.
  13  *
  14  *  This driver is distributed in the hope that it will be useful,
  15  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  16  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17  *  GNU General Public License for more details.
  18  *
  19  *  You should have received a copy of the GNU General Public License
  20  *  along with this program; if not, write to the Free Software
  21  *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
  22  */
  23
  24 #include <linux/init.h>
  25 #include <sound/core.h>
  26 #include "hda_codec.h"
  27 #include "hda_local.h"
  28
  29 static const char *get_wid_type_name(unsigned int wid_value)
  30 {
  31         static char *names[16] = {
  32                 [AC_WID_AUD_OUT] = "Audio Output",
  33                 [AC_WID_AUD_IN] = "Audio Input",
  34                 [AC_WID_AUD_MIX] = "Audio Mixer",
  35                 [AC_WID_AUD_SEL] = "Audio Selector",
  36                 [AC_WID_PIN] = "Pin Complex",
  37                 [AC_WID_POWER] = "Power Widget",
  38                 [AC_WID_VOL_KNB] = "Volume Knob Widget",
  39                 [AC_WID_BEEP] = "Beep Generator Widget",
  40                 [AC_WID_VENDOR] = "Vendor Defined Widget",
  41         };
  42         wid_value &= 0xf;
  43         if (names[wid_value])
  44                 return names[wid_value];
  45         else
  46                 return "UNKNOWN Widget";
  47 }
  48
  49 static void print_amp_caps(struct snd_info_buffer *buffer,
  50                            struct hda_codec *codec, hda_nid_t nid, int dir)
  51 {
  52         unsigned int caps;
  53         caps = snd_hda_param_read(codec, nid,
  54                                   dir == HDA_OUTPUT ?
  55                                     AC_PAR_AMP_OUT_CAP : AC_PAR_AMP_IN_CAP);
  56         if (caps == -1 || caps == 0) {
  57                 snd_iprintf(buffer, "N/A\n");
  58                 return;
  59         }
  60         snd_iprintf(buffer, "ofs=0x%02x, nsteps=0x%02x, stepsize=0x%02x, "
  61                     "mute=%x\n",
  62                     caps & AC_AMPCAP_OFFSET,
  63                     (caps & AC_AMPCAP_NUM_STEPS) >> AC_AMPCAP_NUM_STEPS_SHIFT,
  64                     (caps & AC_AMPCAP_STEP_SIZE) >> AC_AMPCAP_STEP_SIZE_SHIFT,
  65                     (caps & AC_AMPCAP_MUTE) >> AC_AMPCAP_MUTE_SHIFT);
  66 }
  67
  68 static void print_amp_vals(struct snd_info_buffer *buffer,
  69                            struct hda_codec *codec, hda_nid_t nid,
  70                            int dir, int stereo, int indices)
  71 {
  72         unsigned int val;
  73         int i;
  74
  75         dir = dir == HDA_OUTPUT ? AC_AMP_GET_OUTPUT : AC_AMP_GET_INPUT;
  76         for (i = 0; i < indices; i++) {
  77                 snd_iprintf(buffer, " [");
  78                 if (stereo) {
  79                         val = snd_hda_codec_read(codec, nid, 0,
  80                                                  AC_VERB_GET_AMP_GAIN_MUTE,
  81                                                  AC_AMP_GET_LEFT | dir | i);
  82                         snd_iprintf(buffer, "0x%02x ", val);
  83                 }
  84                 val = snd_hda_codec_read(codec, nid, 0,
  85                                          AC_VERB_GET_AMP_GAIN_MUTE,
  86                                          AC_AMP_GET_RIGHT | dir | i);
  87                 snd_iprintf(buffer, "0x%02x]", val);
  88         }
  89         snd_iprintf(buffer, "\n");
  90 }
  91
  92 static void print_pcm_rates(struct snd_info_buffer *buffer, unsigned int pcm)
  93 {
  94         static unsigned int rates[] = {
  95                 8000, 11025, 16000, 22050, 32000, 44100, 48000, 88200,
  96                 96000, 176400, 192000, 384000
  97         };
  98         int i;
  99
 100         pcm &= AC_SUPPCM_RATES;
 101         snd_iprintf(buffer, "    rates [0x%x]:", pcm);
 102         for (i = 0; i < ARRAY_SIZE(rates); i++)
 103                 if (pcm & (1 << i))
 104                         snd_iprintf(buffer, " %d", rates[i]);
 105         snd_iprintf(buffer, "\n");
 106 }
 107
 108 static void print_pcm_bits(struct snd_info_buffer *buffer, unsigned int pcm)
 109 {
 110         static unsigned int bits[] = { 8, 16, 20, 24, 32 };
 111         int i;
 112
 113         pcm = (pcm >> 16) & 0xff;
 114         snd_iprintf(buffer, "    bits [0x%x]:", pcm);
 115         for (i = 0; i < ARRAY_SIZE(bits); i++)
 116                 if (pcm & (1 << i))
 117                         snd_iprintf(buffer, " %d", bits[i]);
 118         snd_iprintf(buffer, "\n");
 119 }
 120
 121 static void print_pcm_formats(struct snd_info_buffer *buffer,
 122                               unsigned int streams)
 123 {
 124         snd_iprintf(buffer, "    formats [0x%x]:", streams & 0xf);
 125         if (streams & AC_SUPFMT_PCM)
 126                 snd_iprintf(buffer, " PCM");
 127         if (streams & AC_SUPFMT_FLOAT32)
 128                 snd_iprintf(buffer, " FLOAT");
 129         if (streams & AC_SUPFMT_AC3)
 130                 snd_iprintf(buffer, " AC3");
 131         snd_iprintf(buffer, "\n");
 132 }
 133
 134 static void print_pcm_caps(struct snd_info_buffer *buffer,
 135                            struct hda_codec *codec, hda_nid_t nid)
 136 {
 137         unsigned int pcm = snd_hda_param_read(codec, nid, AC_PAR_PCM);
 138         unsigned int stream = snd_hda_param_read(codec, nid, AC_PAR_STREAM);
 139         if (pcm == -1 || stream == -1) {
 140                 snd_iprintf(buffer, "N/A\n");
 141                 return;
 142         }
 143         print_pcm_rates(buffer, pcm);
 144         print_pcm_bits(buffer, pcm);
 145         print_pcm_formats(buffer, stream);
 146 }
 147
 148 static const char *get_jack_connection(u32 cfg)
 149 {
 150         static char *names[16] = {
 151                 "Unknown", "1/8", "1/4", "ATAPI",
 152                 "RCA", "Optical","Digital", "Analog",
 153                 "DIN", "XLR", "RJ11", "Comb",
 154                 NULL, NULL, NULL, "Other"
 155         };
 156         cfg = (cfg & AC_DEFCFG_CONN_TYPE) >> AC_DEFCFG_CONN_TYPE_SHIFT;
 157         if (names[cfg])
 158                 return names[cfg];
 159         else
 160                 return "UNKNOWN";
 161 }
 162
 163 static const char *get_jack_color(u32 cfg)
 164 {
 165         static char *names[16] = {
 166                 "Unknown", "Black", "Grey", "Blue",
 167                 "Green", "Red", "Orange", "Yellow",
 168                 "Purple", "Pink", NULL, NULL,
 169                 NULL, NULL, "White", "Other",
 170         };
 171         cfg = (cfg & AC_DEFCFG_COLOR) >> AC_DEFCFG_COLOR_SHIFT;
 172         if (names[cfg])
 173                 return names[cfg];
 174         else
 175                 return "UNKNOWN";
 176 }
 177
 178 static void print_pin_caps(struct snd_info_buffer *buffer,
 179                            struct hda_codec *codec, hda_nid_t nid,
 180                            int *supports_vref)
 181 {
 182         static char *jack_conns[4] = { "Jack", "N/A", "Fixed", "Both" };
 183         unsigned int caps, val;
 184
 185         caps = snd_hda_param_read(codec, nid, AC_PAR_PIN_CAP);
 186         snd_iprintf(buffer, "  Pincap 0x%08x:", caps);
 187         if (caps & AC_PINCAP_IN)
 188                 snd_iprintf(buffer, " IN");
 189         if (caps & AC_PINCAP_OUT)
 190                 snd_iprintf(buffer, " OUT");
 191         if (caps & AC_PINCAP_HP_DRV)
 192                 snd_iprintf(buffer, " HP");
 193         if (caps & AC_PINCAP_EAPD)
 194                 snd_iprintf(buffer, " EAPD");
 195         if (caps & AC_PINCAP_PRES_DETECT)
 196                 snd_iprintf(buffer, " Detect");
 197         if (caps & AC_PINCAP_BALANCE)
 198                 snd_iprintf(buffer, " Balanced");
 199         if (caps & AC_PINCAP_HDMI) {
 200                 /* Realtek uses this bit as a different meaning */
 201                 if ((codec->vendor_id >> 16) == 0x10ec)
 202                         snd_iprintf(buffer, " R/L");
 203                 else
 204                         snd_iprintf(buffer, " HDMI");
 205         }
 206         if (caps & AC_PINCAP_TRIG_REQ)
 207                 snd_iprintf(buffer, " Trigger");
 208         if (caps & AC_PINCAP_IMP_SENSE)
 209                 snd_iprintf(buffer, " ImpSense");
 210         snd_iprintf(buffer, "\n");
 211         if (caps & AC_PINCAP_VREF) {
 212                 unsigned int vref =
 213                         (caps & AC_PINCAP_VREF) >> AC_PINCAP_VREF_SHIFT;
 214                 snd_iprintf(buffer, "    Vref caps:");
 215                 if (vref & AC_PINCAP_VREF_HIZ)
 216                         snd_iprintf(buffer, " HIZ");
 217                 if (vref & AC_PINCAP_VREF_50)
 218                         snd_iprintf(buffer, " 50");
 219                 if (vref & AC_PINCAP_VREF_GRD)
 220                         snd_iprintf(buffer, " GRD");
 221                 if (vref & AC_PINCAP_VREF_80)
 222                         snd_iprintf(buffer, " 80");
 223                 if (vref & AC_PINCAP_VREF_100)
 224                         snd_iprintf(buffer, " 100");
 225                 snd_iprintf(buffer, "\n");
 226                 *supports_vref = 1;
 227         } else
 228                 *supports_vref = 0;
 229         if (caps & AC_PINCAP_EAPD) {
 230                 val = snd_hda_codec_read(codec, nid, 0,
 231                                          AC_VERB_GET_EAPD_BTLENABLE, 0);
 232                 snd_iprintf(buffer, "  EAPD 0x%x:", val);
 233                 if (val & AC_EAPDBTL_BALANCED)
 234                         snd_iprintf(buffer, " BALANCED");
 235                 if (val & AC_EAPDBTL_EAPD)
 236                         snd_iprintf(buffer, " EAPD");
 237                 if (val & AC_EAPDBTL_LR_SWAP)
 238                         snd_iprintf(buffer, " R/L");
 239                 snd_iprintf(buffer, "\n");
 240         }
 241         caps = snd_hda_codec_read(codec, nid, 0, AC_VERB_GET_CONFIG_DEFAULT, 0);
 242         snd_iprintf(buffer, "  Pin Default 0x%08x: [%s] %s at %s %s\n", caps,
 243                     jack_conns[(caps & AC_DEFCFG_PORT_CONN) >> AC_DEFCFG_PORT_CONN_SHIFT],
 244                     snd_hda_get_jack_type(caps),
 245                     snd_hda_get_jack_connectivity(caps),
 246                     snd_hda_get_jack_location(caps));
 247         snd_iprintf(buffer, "    Conn = %s, Color = %s\n",
 248                     get_jack_connection(caps),
 249                     get_jack_color(caps));
 250         /* Default association and sequence values refer to default grouping
 251          * of pin complexes and their sequence within the group. This is used
 252          * for priority and resource allocation.
 253          */
 254         snd_iprintf(buffer, "    DefAssociation = 0x%x, Sequence = 0x%x\n",
 255                     (caps & AC_DEFCFG_DEF_ASSOC) >> AC_DEFCFG_ASSOC_SHIFT,
 256                     caps & AC_DEFCFG_SEQUENCE);
 257         if (((caps & AC_DEFCFG_MISC) >> AC_DEFCFG_MISC_SHIFT) &
 258             AC_DEFCFG_MISC_NO_PRESENCE) {
 259                 /* Miscellaneous bit indicates external hardware does not
 260                  * support presence detection even if the pin complex
 261                  * indicates it is supported.
 262                  */
 263                 snd_iprintf(buffer, "    Misc = NO_PRESENCE\n");
 264         }
 265 }
 266
 267 static void print_pin_ctls(struct snd_info_buffer *buffer,
 268                            struct hda_codec *codec, hda_nid_t nid,
 269                            int supports_vref)
 270 {
 271         unsigned int pinctls;
 272
 273         pinctls = snd_hda_codec_read(codec, nid, 0,
 274                                      AC_VERB_GET_PIN_WIDGET_CONTROL, 0);
 275         snd_iprintf(buffer, "  Pin-ctls: 0x%02x:", pinctls);
 276         if (pinctls & AC_PINCTL_IN_EN)
 277                 snd_iprintf(buffer, " IN");
 278         if (pinctls & AC_PINCTL_OUT_EN)
 279                 snd_iprintf(buffer, " OUT");
 280         if (pinctls & AC_PINCTL_HP_EN)
 281                 snd_iprintf(buffer, " HP");
 282         if (supports_vref) {
 283                 int vref = pinctls & AC_PINCTL_VREFEN;
 284                 switch (vref) {
 285                 case AC_PINCTL_VREF_HIZ:
 286                         snd_iprintf(buffer, " VREF_HIZ");
 287                         break;
 288                 case AC_PINCTL_VREF_50:
 289                         snd_iprintf(buffer, " VREF_50");
 290                         break;
 291                 case AC_PINCTL_VREF_GRD:
 292                         snd_iprintf(buffer, " VREF_GRD");
 293                         break;
 294                 case AC_PINCTL_VREF_80:
 295                         snd_iprintf(buffer, " VREF_80");
 296                         break;
 297                 case AC_PINCTL_VREF_100:
 298                         snd_iprintf(buffer, " VREF_100");
 299                         break;
 300                 }
 301         }
 302         snd_iprintf(buffer, "\n");
 303 }
 304
 305 static void print_vol_knob(struct snd_info_buffer *buffer,
 306                            struct hda_codec *codec, hda_nid_t nid)
 307 {
 308         unsigned int cap = snd_hda_param_read(codec, nid,
 309                                               AC_PAR_VOL_KNB_CAP);
 310         snd_iprintf(buffer, "  Volume-Knob: delta=%d, steps=%d, ",
 311                     (cap >> 7) & 1, cap & 0x7f);
 312         cap = snd_hda_codec_read(codec, nid, 0,
 313                                  AC_VERB_GET_VOLUME_KNOB_CONTROL, 0);
 314         snd_iprintf(buffer, "direct=%d, val=%d\n",
 315                     (cap >> 7) & 1, cap & 0x7f);
 316 }
 317
 318 static void print_audio_io(struct snd_info_buffer *buffer,
 319                            struct hda_codec *codec, hda_nid_t nid,
 320                            unsigned int wid_type)
 321 {
 322         int conv = snd_hda_codec_read(codec, nid, 0, AC_VERB_GET_CONV, 0);
 323         snd_iprintf(buffer,
 324                     "  Converter: stream=%d, channel=%d\n",
 325                     (conv & AC_CONV_STREAM) >> AC_CONV_STREAM_SHIFT,
 326                     conv & AC_CONV_CHANNEL);
 327
 328         if (wid_type == AC_WID_AUD_IN && (conv & AC_CONV_CHANNEL) == 0) {
 329                 int sdi = snd_hda_codec_read(codec, nid, 0,
 330                                              AC_VERB_GET_SDI_SELECT, 0);
 331                 snd_iprintf(buffer, "  SDI-Select: %d\n",
 332                             sdi & AC_SDI_SELECT);
 333         }
 334 }
 335
 336 static void print_digital_conv(struct snd_info_buffer *buffer,
 337                                struct hda_codec *codec, hda_nid_t nid)
 338 {
 339         unsigned int digi1 = snd_hda_codec_read(codec, nid, 0,
 340                                                 AC_VERB_GET_DIGI_CONVERT_1, 0);
 341         snd_iprintf(buffer, "  Digital:");
 342         if (digi1 & AC_DIG1_ENABLE)
 343                 snd_iprintf(buffer, " Enabled");
 344         if (digi1 & AC_DIG1_V)
 345                 snd_iprintf(buffer, " Validity");
 346         if (digi1 & AC_DIG1_VCFG)
 347                 snd_iprintf(buffer, " ValidityCfg");
 348         if (digi1 & AC_DIG1_EMPHASIS)
 349                 snd_iprintf(buffer, " Preemphasis");
 350         if (digi1 & AC_DIG1_COPYRIGHT)
 351                 snd_iprintf(buffer, " Copyright");
 352         if (digi1 & AC_DIG1_NONAUDIO)
 353                 snd_iprintf(buffer, " Non-Audio");
 354         if (digi1 & AC_DIG1_PROFESSIONAL)
 355                 snd_iprintf(buffer, " Pro");
 356         if (digi1 & AC_DIG1_LEVEL)
 357                 snd_iprintf(buffer, " GenLevel");
 358         snd_iprintf(buffer, "\n");
 359         snd_iprintf(buffer, "  Digital category: 0x%x\n",
 360                     (digi1 >> 8) & AC_DIG2_CC);
 361 }
 362
 363 static const char *get_pwr_state(u32 state)
 364 {
 365         static const char *buf[4] = {
 366                 "D0", "D1", "D2", "D3"
 367         };
 368         if (state < 4)
 369                 return buf[state];
 370         return "UNKNOWN";
 371 }
 372
 373 static void print_power_state(struct snd_info_buffer *buffer,
 374                               struct hda_codec *codec, hda_nid_t nid)
 375 {
 376         int pwr = snd_hda_codec_read(codec, nid, 0,
 377                                      AC_VERB_GET_POWER_STATE, 0);
 378         snd_iprintf(buffer, "  Power: setting=%s, actual=%s\n",
 379                     get_pwr_state(pwr & AC_PWRST_SETTING),
 380                     get_pwr_state((pwr & AC_PWRST_ACTUAL) >>
 381                                   AC_PWRST_ACTUAL_SHIFT));
 382 }
 383
 384 static void print_unsol_cap(struct snd_info_buffer *buffer,
 385                               struct hda_codec *codec, hda_nid_t nid)
 386 {
 387         int unsol = snd_hda_codec_read(codec, nid, 0,
 388                                        AC_VERB_GET_UNSOLICITED_RESPONSE, 0);
 389         snd_iprintf(buffer,
 390                     "  Unsolicited: tag=%02x, enabled=%d\n",
 391                     unsol & AC_UNSOL_TAG,
 392                     (unsol & AC_UNSOL_ENABLED) ? 1 : 0);
 393 }
 394
 395 static void print_proc_caps(struct snd_info_buffer *buffer,
 396                             struct hda_codec *codec, hda_nid_t nid)
 397 {
 398         unsigned int proc_caps = snd_hda_param_read(codec, nid,
 399                                                     AC_PAR_PROC_CAP);
 400         snd_iprintf(buffer, "  Processing caps: benign=%d, ncoeff=%d\n",
 401                     proc_caps & AC_PCAP_BENIGN,
 402                     (proc_caps & AC_PCAP_NUM_COEF) >> AC_PCAP_NUM_COEF_SHIFT);
 403 }
 404
 405 static void print_conn_list(struct snd_info_buffer *buffer,
 406                             struct hda_codec *codec, hda_nid_t nid,
 407                             unsigned int wid_type, hda_nid_t *conn,
 408                             int conn_len)
 409 {
 410         int c, curr = -1;
 411
 412         if (conn_len > 1 && wid_type != AC_WID_AUD_MIX)
 413                 curr = snd_hda_codec_read(codec, nid, 0,
 414                                           AC_VERB_GET_CONNECT_SEL, 0);
 415         snd_iprintf(buffer, "  Connection: %d\n", conn_len);
 416         if (conn_len > 0) {
 417                 snd_iprintf(buffer, "    ");
 418                 for (c = 0; c < conn_len; c++) {
 419                         snd_iprintf(buffer, " 0x%02x", conn[c]);
 420                         if (c == curr)
 421                                 snd_iprintf(buffer, "*");
 422                 }
 423                 snd_iprintf(buffer, "\n");
 424         }
 425 }
 426
 427 static void print_realtek_coef(struct snd_info_buffer *buffer,
 428                                struct hda_codec *codec, hda_nid_t nid)
 429 {
 430         int coeff = snd_hda_codec_read(codec, nid, 0,
 431                                        AC_VERB_GET_PROC_COEF, 0);
 432         snd_iprintf(buffer, "  Processing Coefficient: 0x%02x\n", coeff);
 433         coeff = snd_hda_codec_read(codec, nid, 0,
 434                                    AC_VERB_GET_COEF_INDEX, 0);
 435         snd_iprintf(buffer, "  Coefficient Index: 0x%02x\n", coeff);
 436 }
 437
 438 static void print_gpio(struct snd_info_buffer *buffer,
 439                        struct hda_codec *codec, hda_nid_t nid)
 440 {
 441         unsigned int gpio =
 442                 snd_hda_param_read(codec, codec->afg, AC_PAR_GPIO_CAP);
 443         unsigned int enable, direction, wake, unsol, sticky, data;
 444         int i, max;
 445         snd_iprintf(buffer, "GPIO: io=%d, o=%d, i=%d, "
 446                     "unsolicited=%d, wake=%d\n",
 447                     gpio & AC_GPIO_IO_COUNT,
 448                     (gpio & AC_GPIO_O_COUNT) >> AC_GPIO_O_COUNT_SHIFT,
 449                     (gpio & AC_GPIO_I_COUNT) >> AC_GPIO_I_COUNT_SHIFT,
 450                     (gpio & AC_GPIO_UNSOLICITED) ? 1 : 0,
 451                     (gpio & AC_GPIO_WAKE) ? 1 : 0);
 452         max = gpio & AC_GPIO_IO_COUNT;
 453         enable = snd_hda_codec_read(codec, nid, 0,
 454                                     AC_VERB_GET_GPIO_MASK, 0);
 455         direction = snd_hda_codec_read(codec, nid, 0,
 456                                        AC_VERB_GET_GPIO_DIRECTION, 0);
 457         wake = snd_hda_codec_read(codec, nid, 0,
 458                                   AC_VERB_GET_GPIO_WAKE_MASK, 0);
 459         unsol  = snd_hda_codec_read(codec, nid, 0,
 460                                     AC_VERB_GET_GPIO_UNSOLICITED_RSP_MASK, 0);
 461         sticky = snd_hda_codec_read(codec, nid, 0,
 462                                     AC_VERB_GET_GPIO_STICKY_MASK, 0);
 463         data = snd_hda_codec_read(codec, nid, 0,
 464                                   AC_VERB_GET_GPIO_DATA, 0);
 465         for (i = 0; i < max; ++i)
 466                 snd_iprintf(buffer,
 467                             "  IO[%d]: enable=%d, dir=%d, wake=%d, "
 468                             "sticky=%d, data=%d\n", i,
 469                             (enable & (1<<i)) ? 1 : 0,
 470                             (direction & (1<<i)) ? 1 : 0,
 471                             (wake & (1<<i)) ? 1 : 0,
 472                             (sticky & (1<<i)) ? 1 : 0,
 473                             (data & (1<<i)) ? 1 : 0);
 474         /* FIXME: add GPO and GPI pin information */
 475 }
 476
 477 static void print_codec_info(struct snd_info_entry *entry,
 478                              struct snd_info_buffer *buffer)
 479 {
 480         struct hda_codec *codec = entry->private_data;
 481         hda_nid_t nid;
 482         int i, nodes;
 483
 484         snd_iprintf(buffer, "Codec: %s\n",
 485                     codec->name ? codec->name : "Not Set");
 486         snd_iprintf(buffer, "Address: %d\n", codec->addr);
 487         snd_iprintf(buffer, "Vendor Id: 0x%x\n", codec->vendor_id);
 488         snd_iprintf(buffer, "Subsystem Id: 0x%x\n", codec->subsystem_id);
 489         snd_iprintf(buffer, "Revision Id: 0x%x\n", codec->revision_id);
 490
 491         if (codec->mfg)
 492                 snd_iprintf(buffer, "Modem Function Group: 0x%x\n", codec->mfg);
 493         else
 494                 snd_iprintf(buffer, "No Modem Function Group found\n");
 495
 496         if (! codec->afg)
 497                 return;
 498         snd_hda_power_up(codec);
 499         snd_iprintf(buffer, "Default PCM:\n");
 500         print_pcm_caps(buffer, codec, codec->afg);
 501         snd_iprintf(buffer, "Default Amp-In caps: ");
 502         print_amp_caps(buffer, codec, codec->afg, HDA_INPUT);
 503         snd_iprintf(buffer, "Default Amp-Out caps: ");
 504         print_amp_caps(buffer, codec, codec->afg, HDA_OUTPUT);
 505
 506         nodes = snd_hda_get_sub_nodes(codec, codec->afg, &nid);
 507         if (! nid || nodes < 0) {
 508                 snd_iprintf(buffer, "Invalid AFG subtree\n");
 509                 snd_hda_power_down(codec);
 510                 return;
 511         }
 512
 513         print_gpio(buffer, codec, codec->afg);
 514
 515         for (i = 0; i < nodes; i++, nid++) {
 516                 unsigned int wid_caps =
 517                         snd_hda_param_read(codec, nid,
 518                                            AC_PAR_AUDIO_WIDGET_CAP);
 519                 unsigned int wid_type =
 520                         (wid_caps & AC_WCAP_TYPE) >> AC_WCAP_TYPE_SHIFT;
 521                 hda_nid_t conn[HDA_MAX_CONNECTIONS];
 522                 int conn_len = 0;
 523
 524                 snd_iprintf(buffer, "Node 0x%02x [%s] wcaps 0x%x:", nid,
 525                             get_wid_type_name(wid_type), wid_caps);
 526                 if (wid_caps & AC_WCAP_STEREO) {
 527                         unsigned int chans;
 528                         chans = (wid_caps & AC_WCAP_CHAN_CNT_EXT) >> 13;
 529                         chans = ((chans << 1) | 1) + 1;
 530                         if (chans == 2)
 531                                 snd_iprintf(buffer, " Stereo");
 532                         else
 533                                 snd_iprintf(buffer, " %d-Channels", chans);
 534                 } else
 535                         snd_iprintf(buffer, " Mono");
 536                 if (wid_caps & AC_WCAP_DIGITAL)
 537                         snd_iprintf(buffer, " Digital");
 538                 if (wid_caps & AC_WCAP_IN_AMP)
 539                         snd_iprintf(buffer, " Amp-In");
 540                 if (wid_caps & AC_WCAP_OUT_AMP)
 541                         snd_iprintf(buffer, " Amp-Out");
 542                 if (wid_caps & AC_WCAP_STRIPE)
 543                         snd_iprintf(buffer, " Stripe");
 544                 if (wid_caps & AC_WCAP_LR_SWAP)
 545                         snd_iprintf(buffer, " R/L");
 546                 if (wid_caps & AC_WCAP_CP_CAPS)
 547                         snd_iprintf(buffer, " CP");
 548                 snd_iprintf(buffer, "\n");
 549
 550                 /* volume knob is a special widget that always have connection
 551                  * list
 552                  */
 553                 if (wid_type == AC_WID_VOL_KNB)
 554                         wid_caps |= AC_WCAP_CONN_LIST;
 555
 556                 if (wid_caps & AC_WCAP_CONN_LIST)
 557                         conn_len = snd_hda_get_connections(codec, nid, conn,
 558                                                            HDA_MAX_CONNECTIONS);
 559
 560                 if (wid_caps & AC_WCAP_IN_AMP) {
 561                         snd_iprintf(buffer, "  Amp-In caps: ");
 562                         print_amp_caps(buffer, codec, nid, HDA_INPUT);
 563                         snd_iprintf(buffer, "  Amp-In vals: ");
 564                         print_amp_vals(buffer, codec, nid, HDA_INPUT,
 565                                        wid_caps & AC_WCAP_STEREO,
 566                                        wid_type == AC_WID_PIN ? 1 : conn_len);
 567                 }
 568                 if (wid_caps & AC_WCAP_OUT_AMP) {
 569                         snd_iprintf(buffer, "  Amp-Out caps: ");
 570                         print_amp_caps(buffer, codec, nid, HDA_OUTPUT);
 571                         snd_iprintf(buffer, "  Amp-Out vals: ");
 572                         print_amp_vals(buffer, codec, nid, HDA_OUTPUT,
 573                                        wid_caps & AC_WCAP_STEREO, 1);
 574                 }
 575
 576                 switch (wid_type) {
 577                 case AC_WID_PIN: {
 578                         int supports_vref;
 579                         print_pin_caps(buffer, codec, nid, &supports_vref);
 580                         print_pin_ctls(buffer, codec, nid, supports_vref);
 581                         break;
 582                 }
 583                 case AC_WID_VOL_KNB:
 584                         print_vol_knob(buffer, codec, nid);
 585                         break;
 586                 case AC_WID_AUD_OUT:
 587                 case AC_WID_AUD_IN:
 588                         print_audio_io(buffer, codec, nid, wid_type);
 589                         if (wid_caps & AC_WCAP_DIGITAL)
 590                                 print_digital_conv(buffer, codec, nid);
 591                         if (wid_caps & AC_WCAP_FORMAT_OVRD) {
 592                                 snd_iprintf(buffer, "  PCM:\n");
 593                                 print_pcm_caps(buffer, codec, nid);
 594                         }
 595                         break;
 596                 }
 597
 598                 if (wid_caps & AC_WCAP_UNSOL_CAP)
 599                         print_unsol_cap(buffer, codec, nid);
 600
 601                 if (wid_caps & AC_WCAP_POWER)
 602                         print_power_state(buffer, codec, nid);
 603
 604                 if (wid_caps & AC_WCAP_DELAY)
 605                         snd_iprintf(buffer, "  Delay: %d samples\n",
 606                                     (wid_caps & AC_WCAP_DELAY) >>
 607                                     AC_WCAP_DELAY_SHIFT);
 608
 609                 if (wid_caps & AC_WCAP_CONN_LIST)
 610                         print_conn_list(buffer, codec, nid, wid_type,
 611                                         conn, conn_len);
 612
 613                 if (wid_caps & AC_WCAP_PROC_WID)
 614                         print_proc_caps(buffer, codec, nid);
 615
 616                 /* NID 0x20 == Realtek Define Registers */
 617                 if (codec->vendor_id == 0x10ec && nid == 0x20)
 618                         print_realtek_coef(buffer, codec, nid);
 619         }
 620         snd_hda_power_down(codec);
 621 }
 622
 623 /*
 624  * create a proc read
 625  */
 626 int snd_hda_codec_proc_new(struct hda_codec *codec)
 627 {
 628         char name[32];
 629         struct snd_info_entry *entry;
 630         int err;
 631
 632         snprintf(name, sizeof(name), "codec#%d", codec->addr);
 633         err = snd_card_proc_new(codec->bus->card, name, &entry);
 634         if (err < 0)
 635                 return err;
 636
 637         snd_info_set_text_ops(entry, codec, print_codec_info);
 638         return 0;
 639 }
 640