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 void snd_print_pcm_rates(int pcm, char *buf, int buflen)
  93 {
  94         static unsigned int rates[] = {
  95                 8000, 11025, 16000, 22050, 32000, 44100, 48000, 88200,
  96                 96000, 176400, 192000, 384000
  97         };
  98         int i, j;
  99
 100         for (i = 0, j = 0; i < ARRAY_SIZE(rates); i++)
 101                 if (pcm & (1 << i))
 102                         j += snprintf(buf + j, buflen - j,  " %d", rates[i]);
 103
 104         buf[j] = '\0'; /* necessary when j == 0 */
 105 }
 106
 107 static void print_pcm_rates(struct snd_info_buffer *buffer, unsigned int pcm)
 108 {
 109         char buf[SND_PRINT_RATES_ADVISED_BUFSIZE];
 110
 111         pcm &= AC_SUPPCM_RATES;
 112         snd_iprintf(buffer, "    rates [0x%x]:", pcm);
 113         snd_print_pcm_rates(pcm, buf, sizeof(buf));
 114         snd_iprintf(buffer, "%s\n", buf);
 115 }
 116
 117 void snd_print_pcm_bits(int pcm, char *buf, int buflen)
 118 {
 119         static unsigned int bits[] = { 8, 16, 20, 24, 32 };
 120         int i, j;
 121
 122         for (i = 0, j = 0; i < ARRAY_SIZE(bits); i++)
 123                 if (pcm & (1 << i))
 124                         j += snprintf(buf + j, buflen - j,  " %d", bits[i]);
 125
 126         buf[j] = '\0'; /* necessary when j == 0 */
 127 }
 128
 129 static void print_pcm_bits(struct snd_info_buffer *buffer, unsigned int pcm)
 130 {
 131         char buf[SND_PRINT_BITS_ADVISED_BUFSIZE];
 132
 133         pcm = (pcm >> 16) & 0xff;
 134         snd_iprintf(buffer, "    bits [0x%x]:", pcm);
 135         snd_print_pcm_bits(pcm, buf, sizeof(buf));
 136         snd_iprintf(buffer, "%s\n", buf);
 137 }
 138
 139 static void print_pcm_formats(struct snd_info_buffer *buffer,
 140                               unsigned int streams)
 141 {
 142         snd_iprintf(buffer, "    formats [0x%x]:", streams & 0xf);
 143         if (streams & AC_SUPFMT_PCM)
 144                 snd_iprintf(buffer, " PCM");
 145         if (streams & AC_SUPFMT_FLOAT32)
 146                 snd_iprintf(buffer, " FLOAT");
 147         if (streams & AC_SUPFMT_AC3)
 148                 snd_iprintf(buffer, " AC3");
 149         snd_iprintf(buffer, "\n");
 150 }
 151
 152 static void print_pcm_caps(struct snd_info_buffer *buffer,
 153                            struct hda_codec *codec, hda_nid_t nid)
 154 {
 155         unsigned int pcm = snd_hda_param_read(codec, nid, AC_PAR_PCM);
 156         unsigned int stream = snd_hda_param_read(codec, nid, AC_PAR_STREAM);
 157         if (pcm == -1 || stream == -1) {
 158                 snd_iprintf(buffer, "N/A\n");
 159                 return;
 160         }
 161         print_pcm_rates(buffer, pcm);
 162         print_pcm_bits(buffer, pcm);
 163         print_pcm_formats(buffer, stream);
 164 }
 165
 166 static const char *get_jack_connection(u32 cfg)
 167 {
 168         static char *names[16] = {
 169                 "Unknown", "1/8", "1/4", "ATAPI",
 170                 "RCA", "Optical","Digital", "Analog",
 171                 "DIN", "XLR", "RJ11", "Comb",
 172                 NULL, NULL, NULL, "Other"
 173         };
 174         cfg = (cfg & AC_DEFCFG_CONN_TYPE) >> AC_DEFCFG_CONN_TYPE_SHIFT;
 175         if (names[cfg])
 176                 return names[cfg];
 177         else
 178                 return "UNKNOWN";
 179 }
 180
 181 static const char *get_jack_color(u32 cfg)
 182 {
 183         static char *names[16] = {
 184                 "Unknown", "Black", "Grey", "Blue",
 185                 "Green", "Red", "Orange", "Yellow",
 186                 "Purple", "Pink", NULL, NULL,
 187                 NULL, NULL, "White", "Other",
 188         };
 189         cfg = (cfg & AC_DEFCFG_COLOR) >> AC_DEFCFG_COLOR_SHIFT;
 190         if (names[cfg])
 191                 return names[cfg];
 192         else
 193                 return "UNKNOWN";
 194 }
 195
 196 static void print_pin_caps(struct snd_info_buffer *buffer,
 197                            struct hda_codec *codec, hda_nid_t nid,
 198                            int *supports_vref)
 199 {
 200         static char *jack_conns[4] = { "Jack", "N/A", "Fixed", "Both" };
 201         unsigned int caps, val;
 202
 203         caps = snd_hda_param_read(codec, nid, AC_PAR_PIN_CAP);
 204         snd_iprintf(buffer, "  Pincap 0x%08x:", caps);
 205         if (caps & AC_PINCAP_IN)
 206                 snd_iprintf(buffer, " IN");
 207         if (caps & AC_PINCAP_OUT)
 208                 snd_iprintf(buffer, " OUT");
 209         if (caps & AC_PINCAP_HP_DRV)
 210                 snd_iprintf(buffer, " HP");
 211         if (caps & AC_PINCAP_EAPD)
 212                 snd_iprintf(buffer, " EAPD");
 213         if (caps & AC_PINCAP_PRES_DETECT)
 214                 snd_iprintf(buffer, " Detect");
 215         if (caps & AC_PINCAP_BALANCE)
 216                 snd_iprintf(buffer, " Balanced");
 217         if (caps & AC_PINCAP_HDMI) {
 218                 /* Realtek uses this bit as a different meaning */
 219                 if ((codec->vendor_id >> 16) == 0x10ec)
 220                         snd_iprintf(buffer, " R/L");
 221                 else
 222                         snd_iprintf(buffer, " HDMI");
 223         }
 224         if (caps & AC_PINCAP_TRIG_REQ)
 225                 snd_iprintf(buffer, " Trigger");
 226         if (caps & AC_PINCAP_IMP_SENSE)
 227                 snd_iprintf(buffer, " ImpSense");
 228         snd_iprintf(buffer, "\n");
 229         if (caps & AC_PINCAP_VREF) {
 230                 unsigned int vref =
 231                         (caps & AC_PINCAP_VREF) >> AC_PINCAP_VREF_SHIFT;
 232                 snd_iprintf(buffer, "    Vref caps:");
 233                 if (vref & AC_PINCAP_VREF_HIZ)
 234                         snd_iprintf(buffer, " HIZ");
 235                 if (vref & AC_PINCAP_VREF_50)
 236                         snd_iprintf(buffer, " 50");
 237                 if (vref & AC_PINCAP_VREF_GRD)
 238                         snd_iprintf(buffer, " GRD");
 239                 if (vref & AC_PINCAP_VREF_80)
 240                         snd_iprintf(buffer, " 80");
 241                 if (vref & AC_PINCAP_VREF_100)
 242                         snd_iprintf(buffer, " 100");
 243                 snd_iprintf(buffer, "\n");
 244                 *supports_vref = 1;
 245         } else
 246                 *supports_vref = 0;
 247         if (caps & AC_PINCAP_EAPD) {
 248                 val = snd_hda_codec_read(codec, nid, 0,
 249                                          AC_VERB_GET_EAPD_BTLENABLE, 0);
 250                 snd_iprintf(buffer, "  EAPD 0x%x:", val);
 251                 if (val & AC_EAPDBTL_BALANCED)
 252                         snd_iprintf(buffer, " BALANCED");
 253                 if (val & AC_EAPDBTL_EAPD)
 254                         snd_iprintf(buffer, " EAPD");
 255                 if (val & AC_EAPDBTL_LR_SWAP)
 256                         snd_iprintf(buffer, " R/L");
 257                 snd_iprintf(buffer, "\n");
 258         }
 259         caps = snd_hda_codec_read(codec, nid, 0, AC_VERB_GET_CONFIG_DEFAULT, 0);
 260         snd_iprintf(buffer, "  Pin Default 0x%08x: [%s] %s at %s %s\n", caps,
 261                     jack_conns[(caps & AC_DEFCFG_PORT_CONN) >> AC_DEFCFG_PORT_CONN_SHIFT],
 262                     snd_hda_get_jack_type(caps),
 263                     snd_hda_get_jack_connectivity(caps),
 264                     snd_hda_get_jack_location(caps));
 265         snd_iprintf(buffer, "    Conn = %s, Color = %s\n",
 266                     get_jack_connection(caps),
 267                     get_jack_color(caps));
 268         /* Default association and sequence values refer to default grouping
 269          * of pin complexes and their sequence within the group. This is used
 270          * for priority and resource allocation.
 271          */
 272         snd_iprintf(buffer, "    DefAssociation = 0x%x, Sequence = 0x%x\n",
 273                     (caps & AC_DEFCFG_DEF_ASSOC) >> AC_DEFCFG_ASSOC_SHIFT,
 274                     caps & AC_DEFCFG_SEQUENCE);
 275         if (((caps & AC_DEFCFG_MISC) >> AC_DEFCFG_MISC_SHIFT) &
 276             AC_DEFCFG_MISC_NO_PRESENCE) {
 277                 /* Miscellaneous bit indicates external hardware does not
 278                  * support presence detection even if the pin complex
 279                  * indicates it is supported.
 280                  */
 281                 snd_iprintf(buffer, "    Misc = NO_PRESENCE\n");
 282         }
 283 }
 284
 285 static void print_pin_ctls(struct snd_info_buffer *buffer,
 286                            struct hda_codec *codec, hda_nid_t nid,
 287                            int supports_vref)
 288 {
 289         unsigned int pinctls;
 290
 291         pinctls = snd_hda_codec_read(codec, nid, 0,
 292                                      AC_VERB_GET_PIN_WIDGET_CONTROL, 0);
 293         snd_iprintf(buffer, "  Pin-ctls: 0x%02x:", pinctls);
 294         if (pinctls & AC_PINCTL_IN_EN)
 295                 snd_iprintf(buffer, " IN");
 296         if (pinctls & AC_PINCTL_OUT_EN)
 297                 snd_iprintf(buffer, " OUT");
 298         if (pinctls & AC_PINCTL_HP_EN)
 299                 snd_iprintf(buffer, " HP");
 300         if (supports_vref) {
 301                 int vref = pinctls & AC_PINCTL_VREFEN;
 302                 switch (vref) {
 303                 case AC_PINCTL_VREF_HIZ:
 304                         snd_iprintf(buffer, " VREF_HIZ");
 305                         break;
 306                 case AC_PINCTL_VREF_50:
 307                         snd_iprintf(buffer, " VREF_50");
 308                         break;
 309                 case AC_PINCTL_VREF_GRD:
 310                         snd_iprintf(buffer, " VREF_GRD");
 311                         break;
 312                 case AC_PINCTL_VREF_80:
 313                         snd_iprintf(buffer, " VREF_80");
 314                         break;
 315                 case AC_PINCTL_VREF_100:
 316                         snd_iprintf(buffer, " VREF_100");
 317                         break;
 318                 }
 319         }
 320         snd_iprintf(buffer, "\n");
 321 }
 322
 323 static void print_vol_knob(struct snd_info_buffer *buffer,
 324                            struct hda_codec *codec, hda_nid_t nid)
 325 {
 326         unsigned int cap = snd_hda_param_read(codec, nid,
 327                                               AC_PAR_VOL_KNB_CAP);
 328         snd_iprintf(buffer, "  Volume-Knob: delta=%d, steps=%d, ",
 329                     (cap >> 7) & 1, cap & 0x7f);
 330         cap = snd_hda_codec_read(codec, nid, 0,
 331                                  AC_VERB_GET_VOLUME_KNOB_CONTROL, 0);
 332         snd_iprintf(buffer, "direct=%d, val=%d\n",
 333                     (cap >> 7) & 1, cap & 0x7f);
 334 }
 335
 336 static void print_audio_io(struct snd_info_buffer *buffer,
 337                            struct hda_codec *codec, hda_nid_t nid,
 338                            unsigned int wid_type)
 339 {
 340         int conv = snd_hda_codec_read(codec, nid, 0, AC_VERB_GET_CONV, 0);
 341         snd_iprintf(buffer,
 342                     "  Converter: stream=%d, channel=%d\n",
 343                     (conv & AC_CONV_STREAM) >> AC_CONV_STREAM_SHIFT,
 344                     conv & AC_CONV_CHANNEL);
 345
 346         if (wid_type == AC_WID_AUD_IN && (conv & AC_CONV_CHANNEL) == 0) {
 347                 int sdi = snd_hda_codec_read(codec, nid, 0,
 348                                              AC_VERB_GET_SDI_SELECT, 0);
 349                 snd_iprintf(buffer, "  SDI-Select: %d\n",
 350                             sdi & AC_SDI_SELECT);
 351         }
 352 }
 353
 354 static void print_digital_conv(struct snd_info_buffer *buffer,
 355                                struct hda_codec *codec, hda_nid_t nid)
 356 {
 357         unsigned int digi1 = snd_hda_codec_read(codec, nid, 0,
 358                                                 AC_VERB_GET_DIGI_CONVERT_1, 0);
 359         snd_iprintf(buffer, "  Digital:");
 360         if (digi1 & AC_DIG1_ENABLE)
 361                 snd_iprintf(buffer, " Enabled");
 362         if (digi1 & AC_DIG1_V)
 363                 snd_iprintf(buffer, " Validity");
 364         if (digi1 & AC_DIG1_VCFG)
 365                 snd_iprintf(buffer, " ValidityCfg");
 366         if (digi1 & AC_DIG1_EMPHASIS)
 367                 snd_iprintf(buffer, " Preemphasis");
 368         if (digi1 & AC_DIG1_COPYRIGHT)
 369                 snd_iprintf(buffer, " Copyright");
 370         if (digi1 & AC_DIG1_NONAUDIO)
 371                 snd_iprintf(buffer, " Non-Audio");
 372         if (digi1 & AC_DIG1_PROFESSIONAL)
 373                 snd_iprintf(buffer, " Pro");
 374         if (digi1 & AC_DIG1_LEVEL)
 375                 snd_iprintf(buffer, " GenLevel");
 376         snd_iprintf(buffer, "\n");
 377         snd_iprintf(buffer, "  Digital category: 0x%x\n",
 378                     (digi1 >> 8) & AC_DIG2_CC);
 379 }
 380
 381 static const char *get_pwr_state(u32 state)
 382 {
 383         static const char *buf[4] = {
 384                 "D0", "D1", "D2", "D3"
 385         };
 386         if (state < 4)
 387                 return buf[state];
 388         return "UNKNOWN";
 389 }
 390
 391 static void print_power_state(struct snd_info_buffer *buffer,
 392                               struct hda_codec *codec, hda_nid_t nid)
 393 {
 394         int pwr = snd_hda_codec_read(codec, nid, 0,
 395                                      AC_VERB_GET_POWER_STATE, 0);
 396         snd_iprintf(buffer, "  Power: setting=%s, actual=%s\n",
 397                     get_pwr_state(pwr & AC_PWRST_SETTING),
 398                     get_pwr_state((pwr & AC_PWRST_ACTUAL) >>
 399                                   AC_PWRST_ACTUAL_SHIFT));
 400 }
 401
 402 static void print_unsol_cap(struct snd_info_buffer *buffer,
 403                               struct hda_codec *codec, hda_nid_t nid)
 404 {
 405         int unsol = snd_hda_codec_read(codec, nid, 0,
 406                                        AC_VERB_GET_UNSOLICITED_RESPONSE, 0);
 407         snd_iprintf(buffer,
 408                     "  Unsolicited: tag=%02x, enabled=%d\n",
 409                     unsol & AC_UNSOL_TAG,
 410                     (unsol & AC_UNSOL_ENABLED) ? 1 : 0);
 411 }
 412
 413 static void print_proc_caps(struct snd_info_buffer *buffer,
 414                             struct hda_codec *codec, hda_nid_t nid)
 415 {
 416         unsigned int proc_caps = snd_hda_param_read(codec, nid,
 417                                                     AC_PAR_PROC_CAP);
 418         snd_iprintf(buffer, "  Processing caps: benign=%d, ncoeff=%d\n",
 419                     proc_caps & AC_PCAP_BENIGN,
 420                     (proc_caps & AC_PCAP_NUM_COEF) >> AC_PCAP_NUM_COEF_SHIFT);
 421 }
 422
 423 static void print_conn_list(struct snd_info_buffer *buffer,
 424                             struct hda_codec *codec, hda_nid_t nid,
 425                             unsigned int wid_type, hda_nid_t *conn,
 426                             int conn_len)
 427 {
 428         int c, curr = -1;
 429
 430         if (conn_len > 1 && wid_type != AC_WID_AUD_MIX)
 431                 curr = snd_hda_codec_read(codec, nid, 0,
 432                                           AC_VERB_GET_CONNECT_SEL, 0);
 433         snd_iprintf(buffer, "  Connection: %d\n", conn_len);
 434         if (conn_len > 0) {
 435                 snd_iprintf(buffer, "    ");
 436                 for (c = 0; c < conn_len; c++) {
 437                         snd_iprintf(buffer, " 0x%02x", conn[c]);
 438                         if (c == curr)
 439                                 snd_iprintf(buffer, "*");
 440                 }
 441                 snd_iprintf(buffer, "\n");
 442         }
 443 }
 444
 445 static void print_realtek_coef(struct snd_info_buffer *buffer,
 446                                struct hda_codec *codec, hda_nid_t nid)
 447 {
 448         int coeff = snd_hda_codec_read(codec, nid, 0,
 449                                        AC_VERB_GET_PROC_COEF, 0);
 450         snd_iprintf(buffer, "  Processing Coefficient: 0x%02x\n", coeff);
 451         coeff = snd_hda_codec_read(codec, nid, 0,
 452                                    AC_VERB_GET_COEF_INDEX, 0);
 453         snd_iprintf(buffer, "  Coefficient Index: 0x%02x\n", coeff);
 454 }
 455
 456 static void print_gpio(struct snd_info_buffer *buffer,
 457                        struct hda_codec *codec, hda_nid_t nid)
 458 {
 459         unsigned int gpio =
 460                 snd_hda_param_read(codec, codec->afg, AC_PAR_GPIO_CAP);
 461         unsigned int enable, direction, wake, unsol, sticky, data;
 462         int i, max;
 463         snd_iprintf(buffer, "GPIO: io=%d, o=%d, i=%d, "
 464                     "unsolicited=%d, wake=%d\n",
 465                     gpio & AC_GPIO_IO_COUNT,
 466                     (gpio & AC_GPIO_O_COUNT) >> AC_GPIO_O_COUNT_SHIFT,
 467                     (gpio & AC_GPIO_I_COUNT) >> AC_GPIO_I_COUNT_SHIFT,
 468                     (gpio & AC_GPIO_UNSOLICITED) ? 1 : 0,
 469                     (gpio & AC_GPIO_WAKE) ? 1 : 0);
 470         max = gpio & AC_GPIO_IO_COUNT;
 471         if (!max || max > 8)
 472                 return;
 473         enable = snd_hda_codec_read(codec, nid, 0,
 474                                     AC_VERB_GET_GPIO_MASK, 0);
 475         direction = snd_hda_codec_read(codec, nid, 0,
 476                                        AC_VERB_GET_GPIO_DIRECTION, 0);
 477         wake = snd_hda_codec_read(codec, nid, 0,
 478                                   AC_VERB_GET_GPIO_WAKE_MASK, 0);
 479         unsol  = snd_hda_codec_read(codec, nid, 0,
 480                                     AC_VERB_GET_GPIO_UNSOLICITED_RSP_MASK, 0);
 481         sticky = snd_hda_codec_read(codec, nid, 0,
 482                                     AC_VERB_GET_GPIO_STICKY_MASK, 0);
 483         data = snd_hda_codec_read(codec, nid, 0,
 484                                   AC_VERB_GET_GPIO_DATA, 0);
 485         for (i = 0; i < max; ++i)
 486                 snd_iprintf(buffer,
 487                             "  IO[%d]: enable=%d, dir=%d, wake=%d, "
 488                             "sticky=%d, data=%d, unsol=%d\n", i,
 489                             (enable & (1<<i)) ? 1 : 0,
 490                             (direction & (1<<i)) ? 1 : 0,
 491                             (wake & (1<<i)) ? 1 : 0,
 492                             (sticky & (1<<i)) ? 1 : 0,
 493                             (data & (1<<i)) ? 1 : 0,
 494                             (unsol & (1<<i)) ? 1 : 0);
 495         /* FIXME: add GPO and GPI pin information */
 496 }
 497
 498 static void print_codec_info(struct snd_info_entry *entry,
 499                              struct snd_info_buffer *buffer)
 500 {
 501         struct hda_codec *codec = entry->private_data;
 502         hda_nid_t nid;
 503         int i, nodes;
 504
 505         snd_iprintf(buffer, "Codec: %s\n",
 506                     codec->name ? codec->name : "Not Set");
 507         snd_iprintf(buffer, "Address: %d\n", codec->addr);
 508         snd_iprintf(buffer, "Vendor Id: 0x%x\n", codec->vendor_id);
 509         snd_iprintf(buffer, "Subsystem Id: 0x%x\n", codec->subsystem_id);
 510         snd_iprintf(buffer, "Revision Id: 0x%x\n", codec->revision_id);
 511
 512         if (codec->mfg)
 513                 snd_iprintf(buffer, "Modem Function Group: 0x%x\n", codec->mfg);
 514         else
 515                 snd_iprintf(buffer, "No Modem Function Group found\n");
 516
 517         if (! codec->afg)
 518                 return;
 519         snd_hda_power_up(codec);
 520         snd_iprintf(buffer, "Default PCM:\n");
 521         print_pcm_caps(buffer, codec, codec->afg);
 522         snd_iprintf(buffer, "Default Amp-In caps: ");
 523         print_amp_caps(buffer, codec, codec->afg, HDA_INPUT);
 524         snd_iprintf(buffer, "Default Amp-Out caps: ");
 525         print_amp_caps(buffer, codec, codec->afg, HDA_OUTPUT);
 526
 527         nodes = snd_hda_get_sub_nodes(codec, codec->afg, &nid);
 528         if (! nid || nodes < 0) {
 529                 snd_iprintf(buffer, "Invalid AFG subtree\n");
 530                 snd_hda_power_down(codec);
 531                 return;
 532         }
 533
 534         print_gpio(buffer, codec, codec->afg);
 535
 536         for (i = 0; i < nodes; i++, nid++) {
 537                 unsigned int wid_caps =
 538                         snd_hda_param_read(codec, nid,
 539                                            AC_PAR_AUDIO_WIDGET_CAP);
 540                 unsigned int wid_type =
 541                         (wid_caps & AC_WCAP_TYPE) >> AC_WCAP_TYPE_SHIFT;
 542                 hda_nid_t conn[HDA_MAX_CONNECTIONS];
 543                 int conn_len = 0;
 544
 545                 snd_iprintf(buffer, "Node 0x%02x [%s] wcaps 0x%x:", nid,
 546                             get_wid_type_name(wid_type), wid_caps);
 547                 if (wid_caps & AC_WCAP_STEREO) {
 548                         unsigned int chans;
 549                         chans = (wid_caps & AC_WCAP_CHAN_CNT_EXT) >> 13;
 550                         chans = ((chans << 1) | 1) + 1;
 551                         if (chans == 2)
 552                                 snd_iprintf(buffer, " Stereo");
 553                         else
 554                                 snd_iprintf(buffer, " %d-Channels", chans);
 555                 } else
 556                         snd_iprintf(buffer, " Mono");
 557                 if (wid_caps & AC_WCAP_DIGITAL)
 558                         snd_iprintf(buffer, " Digital");
 559                 if (wid_caps & AC_WCAP_IN_AMP)
 560                         snd_iprintf(buffer, " Amp-In");
 561                 if (wid_caps & AC_WCAP_OUT_AMP)
 562                         snd_iprintf(buffer, " Amp-Out");
 563                 if (wid_caps & AC_WCAP_STRIPE)
 564                         snd_iprintf(buffer, " Stripe");
 565                 if (wid_caps & AC_WCAP_LR_SWAP)
 566                         snd_iprintf(buffer, " R/L");
 567                 if (wid_caps & AC_WCAP_CP_CAPS)
 568                         snd_iprintf(buffer, " CP");
 569                 snd_iprintf(buffer, "\n");
 570
 571                 /* volume knob is a special widget that always have connection
 572                  * list
 573                  */
 574                 if (wid_type == AC_WID_VOL_KNB)
 575                         wid_caps |= AC_WCAP_CONN_LIST;
 576
 577                 if (wid_caps & AC_WCAP_CONN_LIST)
 578                         conn_len = snd_hda_get_connections(codec, nid, conn,
 579                                                            HDA_MAX_CONNECTIONS);
 580
 581                 if (wid_caps & AC_WCAP_IN_AMP) {
 582                         snd_iprintf(buffer, "  Amp-In caps: ");
 583                         print_amp_caps(buffer, codec, nid, HDA_INPUT);
 584                         snd_iprintf(buffer, "  Amp-In vals: ");
 585                         print_amp_vals(buffer, codec, nid, HDA_INPUT,
 586                                        wid_caps & AC_WCAP_STEREO,
 587                                        wid_type == AC_WID_PIN ? 1 : conn_len);
 588                 }
 589                 if (wid_caps & AC_WCAP_OUT_AMP) {
 590                         snd_iprintf(buffer, "  Amp-Out caps: ");
 591                         print_amp_caps(buffer, codec, nid, HDA_OUTPUT);
 592                         snd_iprintf(buffer, "  Amp-Out vals: ");
 593                         print_amp_vals(buffer, codec, nid, HDA_OUTPUT,
 594                                        wid_caps & AC_WCAP_STEREO, 1);
 595                 }
 596
 597                 switch (wid_type) {
 598                 case AC_WID_PIN: {
 599                         int supports_vref;
 600                         print_pin_caps(buffer, codec, nid, &supports_vref);
 601                         print_pin_ctls(buffer, codec, nid, supports_vref);
 602                         break;
 603                 }
 604                 case AC_WID_VOL_KNB:
 605                         print_vol_knob(buffer, codec, nid);
 606                         break;
 607                 case AC_WID_AUD_OUT:
 608                 case AC_WID_AUD_IN:
 609                         print_audio_io(buffer, codec, nid, wid_type);
 610                         if (wid_caps & AC_WCAP_DIGITAL)
 611                                 print_digital_conv(buffer, codec, nid);
 612                         if (wid_caps & AC_WCAP_FORMAT_OVRD) {
 613                                 snd_iprintf(buffer, "  PCM:\n");
 614                                 print_pcm_caps(buffer, codec, nid);
 615                         }
 616                         break;
 617                 }
 618
 619                 if (wid_caps & AC_WCAP_UNSOL_CAP)
 620                         print_unsol_cap(buffer, codec, nid);
 621
 622                 if (wid_caps & AC_WCAP_POWER)
 623                         print_power_state(buffer, codec, nid);
 624
 625                 if (wid_caps & AC_WCAP_DELAY)
 626                         snd_iprintf(buffer, "  Delay: %d samples\n",
 627                                     (wid_caps & AC_WCAP_DELAY) >>
 628                                     AC_WCAP_DELAY_SHIFT);
 629
 630                 if (wid_caps & AC_WCAP_CONN_LIST)
 631                         print_conn_list(buffer, codec, nid, wid_type,
 632                                         conn, conn_len);
 633
 634                 if (wid_caps & AC_WCAP_PROC_WID)
 635                         print_proc_caps(buffer, codec, nid);
 636
 637                 /* NID 0x20 == Realtek Define Registers */
 638                 if (codec->vendor_id == 0x10ec && nid == 0x20)
 639                         print_realtek_coef(buffer, codec, nid);
 640         }
 641         snd_hda_power_down(codec);
 642 }
 643
 644 /*
 645  * create a proc read
 646  */
 647 int snd_hda_codec_proc_new(struct hda_codec *codec)
 648 {
 649         char name[32];
 650         struct snd_info_entry *entry;
 651         int err;
 652
 653         snprintf(name, sizeof(name), "codec#%d", codec->addr);
 654         err = snd_card_proc_new(codec->bus->card, name, &entry);
 655         if (err < 0)
 656                 return err;
 657
 658         snd_info_set_text_ops(entry, codec, print_codec_info);
 659         return 0;
 660 }
 661