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_location(u32 cfg)
 149 {
 150         static char *bases[7] = {
 151                 "N/A", "Rear", "Front", "Left", "Right", "Top", "Bottom",
 152         };
 153         static unsigned char specials_idx[] = {
 154                 0x07, 0x08,
 155                 0x17, 0x18, 0x19,
 156                 0x37, 0x38
 157         };
 158         static char *specials[] = {
 159                 "Rear Panel", "Drive Bar",
 160                 "Riser", "HDMI", "ATAPI",
 161                 "Mobile-In", "Mobile-Out"
 162         };
 163         int i;
 164         cfg = (cfg & AC_DEFCFG_LOCATION) >> AC_DEFCFG_LOCATION_SHIFT;
 165         if ((cfg & 0x0f) < 7)
 166                 return bases[cfg & 0x0f];
 167         for (i = 0; i < ARRAY_SIZE(specials_idx); i++) {
 168                 if (cfg == specials_idx[i])
 169                         return specials[i];
 170         }
 171         return "UNKNOWN";
 172 }
 173
 174 static const char *get_jack_connection(u32 cfg)
 175 {
 176         static char *names[16] = {
 177                 "Unknown", "1/8", "1/4", "ATAPI",
 178                 "RCA", "Optical","Digital", "Analog",
 179                 "DIN", "XLR", "RJ11", "Comb",
 180                 NULL, NULL, NULL, "Other"
 181         };
 182         cfg = (cfg & AC_DEFCFG_CONN_TYPE) >> AC_DEFCFG_CONN_TYPE_SHIFT;
 183         if (names[cfg])
 184                 return names[cfg];
 185         else
 186                 return "UNKNOWN";
 187 }
 188
 189 static const char *get_jack_color(u32 cfg)
 190 {
 191         static char *names[16] = {
 192                 "Unknown", "Black", "Grey", "Blue",
 193                 "Green", "Red", "Orange", "Yellow",
 194                 "Purple", "Pink", NULL, NULL,
 195                 NULL, NULL, "White", "Other",
 196         };
 197         cfg = (cfg & AC_DEFCFG_COLOR) >> AC_DEFCFG_COLOR_SHIFT;
 198         if (names[cfg])
 199                 return names[cfg];
 200         else
 201                 return "UNKNOWN";
 202 }
 203
 204 static void print_pin_caps(struct snd_info_buffer *buffer,
 205                            struct hda_codec *codec, hda_nid_t nid,
 206                            int *supports_vref)
 207 {
 208         static char *jack_conns[4] = { "Jack", "N/A", "Fixed", "Both" };
 209         static char *jack_types[16] = {
 210                 "Line Out", "Speaker", "HP Out", "CD",
 211                 "SPDIF Out", "Digital Out", "Modem Line", "Modem Hand",
 212                 "Line In", "Aux", "Mic", "Telephony",
 213                 "SPDIF In", "Digitial In", "Reserved", "Other"
 214         };
 215         static char *jack_locations[4] = { "Ext", "Int", "Sep", "Oth" };
 216         unsigned int caps, val;
 217
 218         caps = snd_hda_param_read(codec, nid, AC_PAR_PIN_CAP);
 219         snd_iprintf(buffer, "  Pincap 0x%08x:", caps);
 220         if (caps & AC_PINCAP_IN)
 221                 snd_iprintf(buffer, " IN");
 222         if (caps & AC_PINCAP_OUT)
 223                 snd_iprintf(buffer, " OUT");
 224         if (caps & AC_PINCAP_HP_DRV)
 225                 snd_iprintf(buffer, " HP");
 226         if (caps & AC_PINCAP_EAPD)
 227                 snd_iprintf(buffer, " EAPD");
 228         if (caps & AC_PINCAP_PRES_DETECT)
 229                 snd_iprintf(buffer, " Detect");
 230         if (caps & AC_PINCAP_BALANCE)
 231                 snd_iprintf(buffer, " Balanced");
 232         if (caps & AC_PINCAP_LR_SWAP)
 233                 snd_iprintf(buffer, " R/L");
 234         if (caps & AC_PINCAP_TRIG_REQ)
 235                 snd_iprintf(buffer, " Trigger");
 236         if (caps & AC_PINCAP_IMP_SENSE)
 237                 snd_iprintf(buffer, " ImpSense");
 238         snd_iprintf(buffer, "\n");
 239         if (caps & AC_PINCAP_VREF) {
 240                 unsigned int vref =
 241                         (caps & AC_PINCAP_VREF) >> AC_PINCAP_VREF_SHIFT;
 242                 snd_iprintf(buffer, "    Vref caps:");
 243                 if (vref & AC_PINCAP_VREF_HIZ)
 244                         snd_iprintf(buffer, " HIZ");
 245                 if (vref & AC_PINCAP_VREF_50)
 246                         snd_iprintf(buffer, " 50");
 247                 if (vref & AC_PINCAP_VREF_GRD)
 248                         snd_iprintf(buffer, " GRD");
 249                 if (vref & AC_PINCAP_VREF_80)
 250                         snd_iprintf(buffer, " 80");
 251                 if (vref & AC_PINCAP_VREF_100)
 252                         snd_iprintf(buffer, " 100");
 253                 snd_iprintf(buffer, "\n");
 254                 *supports_vref = 1;
 255         } else
 256                 *supports_vref = 0;
 257         if (caps & AC_PINCAP_EAPD) {
 258                 val = snd_hda_codec_read(codec, nid, 0,
 259                                          AC_VERB_GET_EAPD_BTLENABLE, 0);
 260                 snd_iprintf(buffer, "  EAPD 0x%x:", val);
 261                 if (val & AC_EAPDBTL_BALANCED)
 262                         snd_iprintf(buffer, " BALANCED");
 263                 if (val & AC_EAPDBTL_EAPD)
 264                         snd_iprintf(buffer, " EAPD");
 265                 if (val & AC_EAPDBTL_LR_SWAP)
 266                         snd_iprintf(buffer, " R/L");
 267                 snd_iprintf(buffer, "\n");
 268         }
 269         caps = snd_hda_codec_read(codec, nid, 0, AC_VERB_GET_CONFIG_DEFAULT, 0);
 270         snd_iprintf(buffer, "  Pin Default 0x%08x: [%s] %s at %s %s\n", caps,
 271                     jack_conns[(caps & AC_DEFCFG_PORT_CONN) >> AC_DEFCFG_PORT_CONN_SHIFT],
 272                     jack_types[(caps & AC_DEFCFG_DEVICE) >> AC_DEFCFG_DEVICE_SHIFT],
 273                     jack_locations[(caps >> (AC_DEFCFG_LOCATION_SHIFT + 4)) & 3],
 274                     get_jack_location(caps));
 275         snd_iprintf(buffer, "    Conn = %s, Color = %s\n",
 276                     get_jack_connection(caps),
 277                     get_jack_color(caps));
 278         /* Default association and sequence values refer to default grouping
 279          * of pin complexes and their sequence within the group. This is used
 280          * for priority and resource allocation.
 281          */
 282         snd_iprintf(buffer, "    DefAssociation = 0x%x, Sequence = 0x%x\n",
 283                     (caps & AC_DEFCFG_DEF_ASSOC) >> AC_DEFCFG_ASSOC_SHIFT,
 284                     caps & AC_DEFCFG_SEQUENCE);
 285         if (((caps & AC_DEFCFG_MISC) >> AC_DEFCFG_MISC_SHIFT) &
 286             AC_DEFCFG_MISC_NO_PRESENCE) {
 287                 /* Miscellaneous bit indicates external hardware does not
 288                  * support presence detection even if the pin complex
 289                  * indicates it is supported.
 290                  */
 291                 snd_iprintf(buffer, "    Misc = NO_PRESENCE\n");
 292         }
 293 }
 294
 295 static void print_pin_ctls(struct snd_info_buffer *buffer,
 296                            struct hda_codec *codec, hda_nid_t nid,
 297                            int supports_vref)
 298 {
 299         unsigned int pinctls;
 300
 301         pinctls = snd_hda_codec_read(codec, nid, 0,
 302                                      AC_VERB_GET_PIN_WIDGET_CONTROL, 0);
 303         snd_iprintf(buffer, "  Pin-ctls: 0x%02x:", pinctls);
 304         if (pinctls & AC_PINCTL_IN_EN)
 305                 snd_iprintf(buffer, " IN");
 306         if (pinctls & AC_PINCTL_OUT_EN)
 307                 snd_iprintf(buffer, " OUT");
 308         if (pinctls & AC_PINCTL_HP_EN)
 309                 snd_iprintf(buffer, " HP");
 310         if (supports_vref) {
 311                 int vref = pinctls & AC_PINCTL_VREFEN;
 312                 switch (vref) {
 313                 case AC_PINCTL_VREF_HIZ:
 314                         snd_iprintf(buffer, " VREF_HIZ");
 315                         break;
 316                 case AC_PINCTL_VREF_50:
 317                         snd_iprintf(buffer, " VREF_50");
 318                         break;
 319                 case AC_PINCTL_VREF_GRD:
 320                         snd_iprintf(buffer, " VREF_GRD");
 321                         break;
 322                 case AC_PINCTL_VREF_80:
 323                         snd_iprintf(buffer, " VREF_80");
 324                         break;
 325                 case AC_PINCTL_VREF_100:
 326                         snd_iprintf(buffer, " VREF_100");
 327                         break;
 328                 }
 329         }
 330         snd_iprintf(buffer, "\n");
 331 }
 332
 333 static void print_vol_knob(struct snd_info_buffer *buffer,
 334                            struct hda_codec *codec, hda_nid_t nid)
 335 {
 336         unsigned int cap = snd_hda_param_read(codec, nid,
 337                                               AC_PAR_VOL_KNB_CAP);
 338         snd_iprintf(buffer, "  Volume-Knob: delta=%d, steps=%d, ",
 339                     (cap >> 7) & 1, cap & 0x7f);
 340         cap = snd_hda_codec_read(codec, nid, 0,
 341                                  AC_VERB_GET_VOLUME_KNOB_CONTROL, 0);
 342         snd_iprintf(buffer, "direct=%d, val=%d\n",
 343                     (cap >> 7) & 1, cap & 0x7f);
 344 }
 345
 346 static void print_audio_io(struct snd_info_buffer *buffer,
 347                            struct hda_codec *codec, hda_nid_t nid,
 348                            unsigned int wid_type)
 349 {
 350         int conv = snd_hda_codec_read(codec, nid, 0, AC_VERB_GET_CONV, 0);
 351         snd_iprintf(buffer,
 352                     "  Converter: stream=%d, channel=%d\n",
 353                     (conv & AC_CONV_STREAM) >> AC_CONV_STREAM_SHIFT,
 354                     conv & AC_CONV_CHANNEL);
 355
 356         if (wid_type == AC_WID_AUD_IN && (conv & AC_CONV_CHANNEL) == 0) {
 357                 int sdi = snd_hda_codec_read(codec, nid, 0,
 358                                              AC_VERB_GET_SDI_SELECT, 0);
 359                 snd_iprintf(buffer, "  SDI-Select: %d\n",
 360                             sdi & AC_SDI_SELECT);
 361         }
 362 }
 363
 364 static void print_digital_conv(struct snd_info_buffer *buffer,
 365                                struct hda_codec *codec, hda_nid_t nid)
 366 {
 367         unsigned int digi1 = snd_hda_codec_read(codec, nid, 0,
 368                                                 AC_VERB_GET_DIGI_CONVERT_1, 0);
 369         snd_iprintf(buffer, "  Digital:");
 370         if (digi1 & AC_DIG1_ENABLE)
 371                 snd_iprintf(buffer, " Enabled");
 372         if (digi1 & AC_DIG1_V)
 373                 snd_iprintf(buffer, " Validity");
 374         if (digi1 & AC_DIG1_VCFG)
 375                 snd_iprintf(buffer, " ValidityCfg");
 376         if (digi1 & AC_DIG1_EMPHASIS)
 377                 snd_iprintf(buffer, " Preemphasis");
 378         if (digi1 & AC_DIG1_COPYRIGHT)
 379                 snd_iprintf(buffer, " Copyright");
 380         if (digi1 & AC_DIG1_NONAUDIO)
 381                 snd_iprintf(buffer, " Non-Audio");
 382         if (digi1 & AC_DIG1_PROFESSIONAL)
 383                 snd_iprintf(buffer, " Pro");
 384         if (digi1 & AC_DIG1_LEVEL)
 385                 snd_iprintf(buffer, " GenLevel");
 386         snd_iprintf(buffer, "\n");
 387         snd_iprintf(buffer, "  Digital category: 0x%x\n",
 388                     (digi1 >> 8) & AC_DIG2_CC);
 389 }
 390
 391 static const char *get_pwr_state(u32 state)
 392 {
 393         static const char *buf[4] = {
 394                 "D0", "D1", "D2", "D3"
 395         };
 396         if (state < 4)
 397                 return buf[state];
 398         return "UNKNOWN";
 399 }
 400
 401 static void print_power_state(struct snd_info_buffer *buffer,
 402                               struct hda_codec *codec, hda_nid_t nid)
 403 {
 404         int pwr = snd_hda_codec_read(codec, nid, 0,
 405                                      AC_VERB_GET_POWER_STATE, 0);
 406         snd_iprintf(buffer, "  Power: setting=%s, actual=%s\n",
 407                     get_pwr_state(pwr & AC_PWRST_SETTING),
 408                     get_pwr_state((pwr & AC_PWRST_ACTUAL) >>
 409                                   AC_PWRST_ACTUAL_SHIFT));
 410 }
 411
 412 static void print_unsol_cap(struct snd_info_buffer *buffer,
 413                               struct hda_codec *codec, hda_nid_t nid)
 414 {
 415         int unsol = snd_hda_codec_read(codec, nid, 0,
 416                                        AC_VERB_GET_UNSOLICITED_RESPONSE, 0);
 417         snd_iprintf(buffer,
 418                     "  Unsolicited: tag=%02x, enabled=%d\n",
 419                     unsol & AC_UNSOL_TAG,
 420                     (unsol & AC_UNSOL_ENABLED) ? 1 : 0);
 421 }
 422
 423 static void print_proc_caps(struct snd_info_buffer *buffer,
 424                             struct hda_codec *codec, hda_nid_t nid)
 425 {
 426         unsigned int proc_caps = snd_hda_param_read(codec, nid,
 427                                                     AC_PAR_PROC_CAP);
 428         snd_iprintf(buffer, "  Processing caps: benign=%d, ncoeff=%d\n",
 429                     proc_caps & AC_PCAP_BENIGN,
 430                     (proc_caps & AC_PCAP_NUM_COEF) >> AC_PCAP_NUM_COEF_SHIFT);
 431 }
 432
 433 static void print_conn_list(struct snd_info_buffer *buffer,
 434                             struct hda_codec *codec, hda_nid_t nid,
 435                             unsigned int wid_type, hda_nid_t *conn,
 436                             int conn_len)
 437 {
 438         int c, curr = -1;
 439
 440         if (conn_len > 1 && wid_type != AC_WID_AUD_MIX)
 441                 curr = snd_hda_codec_read(codec, nid, 0,
 442                                           AC_VERB_GET_CONNECT_SEL, 0);
 443         snd_iprintf(buffer, "  Connection: %d\n", conn_len);
 444         if (conn_len > 0) {
 445                 snd_iprintf(buffer, "    ");
 446                 for (c = 0; c < conn_len; c++) {
 447                         snd_iprintf(buffer, " 0x%02x", conn[c]);
 448                         if (c == curr)
 449                                 snd_iprintf(buffer, "*");
 450                 }
 451                 snd_iprintf(buffer, "\n");
 452         }
 453 }
 454
 455 static void print_realtek_coef(struct snd_info_buffer *buffer,
 456                                struct hda_codec *codec, hda_nid_t nid)
 457 {
 458         int coeff = snd_hda_codec_read(codec, nid, 0,
 459                                        AC_VERB_GET_PROC_COEF, 0);
 460         snd_iprintf(buffer, "  Processing Coefficient: 0x%02x\n", coeff);
 461         coeff = snd_hda_codec_read(codec, nid, 0,
 462                                    AC_VERB_GET_COEF_INDEX, 0);
 463         snd_iprintf(buffer, "  Coefficient Index: 0x%02x\n", coeff);
 464 }
 465
 466 static void print_gpio(struct snd_info_buffer *buffer,
 467                        struct hda_codec *codec, hda_nid_t nid)
 468 {
 469         unsigned int gpio =
 470                 snd_hda_param_read(codec, codec->afg, AC_PAR_GPIO_CAP);
 471         unsigned int enable, direction, wake, unsol, sticky, data;
 472         int i, max;
 473         snd_iprintf(buffer, "GPIO: io=%d, o=%d, i=%d, "
 474                     "unsolicited=%d, wake=%d\n",
 475                     gpio & AC_GPIO_IO_COUNT,
 476                     (gpio & AC_GPIO_O_COUNT) >> AC_GPIO_O_COUNT_SHIFT,
 477                     (gpio & AC_GPIO_I_COUNT) >> AC_GPIO_I_COUNT_SHIFT,
 478                     (gpio & AC_GPIO_UNSOLICITED) ? 1 : 0,
 479                     (gpio & AC_GPIO_WAKE) ? 1 : 0);
 480         max = gpio & AC_GPIO_IO_COUNT;
 481         enable = snd_hda_codec_read(codec, nid, 0,
 482                                     AC_VERB_GET_GPIO_MASK, 0);
 483         direction = snd_hda_codec_read(codec, nid, 0,
 484                                        AC_VERB_GET_GPIO_DIRECTION, 0);
 485         wake = snd_hda_codec_read(codec, nid, 0,
 486                                   AC_VERB_GET_GPIO_WAKE_MASK, 0);
 487         unsol  = snd_hda_codec_read(codec, nid, 0,
 488                                     AC_VERB_GET_GPIO_UNSOLICITED_RSP_MASK, 0);
 489         sticky = snd_hda_codec_read(codec, nid, 0,
 490                                     AC_VERB_GET_GPIO_STICKY_MASK, 0);
 491         data = snd_hda_codec_read(codec, nid, 0,
 492                                   AC_VERB_GET_GPIO_DATA, 0);
 493         for (i = 0; i < max; ++i)
 494                 snd_iprintf(buffer,
 495                             "  IO[%d]: enable=%d, dir=%d, wake=%d, "
 496                             "sticky=%d, data=%d\n", i,
 497                             (enable & (1<<i)) ? 1 : 0,
 498                             (direction & (1<<i)) ? 1 : 0,
 499                             (wake & (1<<i)) ? 1 : 0,
 500                             (sticky & (1<<i)) ? 1 : 0,
 501                             (data & (1<<i)) ? 1 : 0);
 502         /* FIXME: add GPO and GPI pin information */
 503 }
 504
 505 static void print_codec_info(struct snd_info_entry *entry,
 506                              struct snd_info_buffer *buffer)
 507 {
 508         struct hda_codec *codec = entry->private_data;
 509         char buf[32];
 510         hda_nid_t nid;
 511         int i, nodes;
 512
 513         snd_hda_get_codec_name(codec, buf, sizeof(buf));
 514         snd_iprintf(buffer, "Codec: %s\n", buf);
 515         snd_iprintf(buffer, "Address: %d\n", codec->addr);
 516         snd_iprintf(buffer, "Vendor Id: 0x%x\n", codec->vendor_id);
 517         snd_iprintf(buffer, "Subsystem Id: 0x%x\n", codec->subsystem_id);
 518         snd_iprintf(buffer, "Revision Id: 0x%x\n", codec->revision_id);
 519
 520         if (codec->mfg)
 521                 snd_iprintf(buffer, "Modem Function Group: 0x%x\n", codec->mfg);
 522         else
 523                 snd_iprintf(buffer, "No Modem Function Group found\n");
 524
 525         if (! codec->afg)
 526                 return;
 527         snd_hda_power_up(codec);
 528         snd_iprintf(buffer, "Default PCM:\n");
 529         print_pcm_caps(buffer, codec, codec->afg);
 530         snd_iprintf(buffer, "Default Amp-In caps: ");
 531         print_amp_caps(buffer, codec, codec->afg, HDA_INPUT);
 532         snd_iprintf(buffer, "Default Amp-Out caps: ");
 533         print_amp_caps(buffer, codec, codec->afg, HDA_OUTPUT);
 534
 535         nodes = snd_hda_get_sub_nodes(codec, codec->afg, &nid);
 536         if (! nid || nodes < 0) {
 537                 snd_iprintf(buffer, "Invalid AFG subtree\n");
 538                 snd_hda_power_down(codec);
 539                 return;
 540         }
 541
 542         print_gpio(buffer, codec, codec->afg);
 543
 544         for (i = 0; i < nodes; i++, nid++) {
 545                 unsigned int wid_caps =
 546                         snd_hda_param_read(codec, nid,
 547                                            AC_PAR_AUDIO_WIDGET_CAP);
 548                 unsigned int wid_type =
 549                         (wid_caps & AC_WCAP_TYPE) >> AC_WCAP_TYPE_SHIFT;
 550                 hda_nid_t conn[HDA_MAX_CONNECTIONS];
 551                 int conn_len = 0;
 552
 553                 snd_iprintf(buffer, "Node 0x%02x [%s] wcaps 0x%x:", nid,
 554                             get_wid_type_name(wid_type), wid_caps);
 555                 if (wid_caps & AC_WCAP_STEREO)
 556                         snd_iprintf(buffer, " Stereo");
 557                 else
 558                         snd_iprintf(buffer, " Mono");
 559                 if (wid_caps & AC_WCAP_DIGITAL)
 560                         snd_iprintf(buffer, " Digital");
 561                 if (wid_caps & AC_WCAP_IN_AMP)
 562                         snd_iprintf(buffer, " Amp-In");
 563                 if (wid_caps & AC_WCAP_OUT_AMP)
 564                         snd_iprintf(buffer, " Amp-Out");
 565                 if (wid_caps & AC_WCAP_STRIPE)
 566                         snd_iprintf(buffer, " Stripe");
 567                 if (wid_caps & AC_WCAP_LR_SWAP)
 568                         snd_iprintf(buffer, " R/L");
 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