git.oblomov.eu Git - linux-2.6/blob - 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 0x08%x:", 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_HDMI) {
 233                 /* Realtek uses this bit as a different meaning */
 234                 if ((codec->vendor_id >> 16) == 0x10ec)
 235                         snd_iprintf(buffer, " R/L");
 236                 else
 237                         snd_iprintf(buffer, " HDMI");
 238         }
 239         if (caps & AC_PINCAP_TRIG_REQ)
 240                 snd_iprintf(buffer, " Trigger");
 241         if (caps & AC_PINCAP_IMP_SENSE)
 242                 snd_iprintf(buffer, " ImpSense");
 243         snd_iprintf(buffer, "\n");
 244         if (caps & AC_PINCAP_VREF) {
 245                 unsigned int vref =
 246                         (caps & AC_PINCAP_VREF) >> AC_PINCAP_VREF_SHIFT;
 247                 snd_iprintf(buffer, "    Vref caps:");
 248                 if (vref & AC_PINCAP_VREF_HIZ)
 249                         snd_iprintf(buffer, " HIZ");
 250                 if (vref & AC_PINCAP_VREF_50)
 251                         snd_iprintf(buffer, " 50");
 252                 if (vref & AC_PINCAP_VREF_GRD)
 253                         snd_iprintf(buffer, " GRD");
 254                 if (vref & AC_PINCAP_VREF_80)
 255                         snd_iprintf(buffer, " 80");
 256                 if (vref & AC_PINCAP_VREF_100)
 257                         snd_iprintf(buffer, " 100");
 258                 snd_iprintf(buffer, "\n");
 259                 *supports_vref = 1;
 260         } else
 261                 *supports_vref = 0;
 262         if (caps & AC_PINCAP_EAPD) {
 263                 val = snd_hda_codec_read(codec, nid, 0,
 264                                          AC_VERB_GET_EAPD_BTLENABLE, 0);
 265                 snd_iprintf(buffer, "  EAPD 0x%x:", val);
 266                 if (val & AC_EAPDBTL_BALANCED)
 267                         snd_iprintf(buffer, " BALANCED");
 268                 if (val & AC_EAPDBTL_EAPD)
 269                         snd_iprintf(buffer, " EAPD");
 270                 if (val & AC_EAPDBTL_LR_SWAP)
 271                         snd_iprintf(buffer, " R/L");
 272                 snd_iprintf(buffer, "\n");
 273         }
 274         caps = snd_hda_codec_read(codec, nid, 0, AC_VERB_GET_CONFIG_DEFAULT, 0);
 275         snd_iprintf(buffer, "  Pin Default 0x%08x: [%s] %s at %s %s\n", caps,
 276                     jack_conns[(caps & AC_DEFCFG_PORT_CONN) >> AC_DEFCFG_PORT_CONN_SHIFT],
 277                     jack_types[(caps & AC_DEFCFG_DEVICE) >> AC_DEFCFG_DEVICE_SHIFT],
 278                     jack_locations[(caps >> (AC_DEFCFG_LOCATION_SHIFT + 4)) & 3],
 279                     get_jack_location(caps));
 280         snd_iprintf(buffer, "    Conn = %s, Color = %s\n",
 281                     get_jack_connection(caps),
 282                     get_jack_color(caps));
 283         /* Default association and sequence values refer to default grouping
 284          * of pin complexes and their sequence within the group. This is used
 285          * for priority and resource allocation.
 286          */
 287         snd_iprintf(buffer, "    DefAssociation = 0x%x, Sequence = 0x%x\n",
 288                     (caps & AC_DEFCFG_DEF_ASSOC) >> AC_DEFCFG_ASSOC_SHIFT,
 289                     caps & AC_DEFCFG_SEQUENCE);
 290         if (((caps & AC_DEFCFG_MISC) >> AC_DEFCFG_MISC_SHIFT) &
 291             AC_DEFCFG_MISC_NO_PRESENCE) {
 292                 /* Miscellaneous bit indicates external hardware does not
 293                  * support presence detection even if the pin complex
 294                  * indicates it is supported.
 295                  */
 296                 snd_iprintf(buffer, "    Misc = NO_PRESENCE\n");
 297         }
 298 }
 299
 300 static void print_pin_ctls(struct snd_info_buffer *buffer,
 301                            struct hda_codec *codec, hda_nid_t nid,
 302                            int supports_vref)
 303 {
 304         unsigned int pinctls;
 305
 306         pinctls = snd_hda_codec_read(codec, nid, 0,
 307                                      AC_VERB_GET_PIN_WIDGET_CONTROL, 0);
 308         snd_iprintf(buffer, "  Pin-ctls: 0x%02x:", pinctls);
 309         if (pinctls & AC_PINCTL_IN_EN)
 310                 snd_iprintf(buffer, " IN");
 311         if (pinctls & AC_PINCTL_OUT_EN)
 312                 snd_iprintf(buffer, " OUT");
 313         if (pinctls & AC_PINCTL_HP_EN)
 314                 snd_iprintf(buffer, " HP");
 315         if (supports_vref) {
 316                 int vref = pinctls & AC_PINCTL_VREFEN;
 317                 switch (vref) {
 318                 case AC_PINCTL_VREF_HIZ:
 319                         snd_iprintf(buffer, " VREF_HIZ");
 320                         break;
 321                 case AC_PINCTL_VREF_50:
 322                         snd_iprintf(buffer, " VREF_50");
 323                         break;
 324                 case AC_PINCTL_VREF_GRD:
 325                         snd_iprintf(buffer, " VREF_GRD");
 326                         break;
 327                 case AC_PINCTL_VREF_80:
 328                         snd_iprintf(buffer, " VREF_80");
 329                         break;
 330                 case AC_PINCTL_VREF_100:
 331                         snd_iprintf(buffer, " VREF_100");
 332                         break;
 333                 }
 334         }
 335         snd_iprintf(buffer, "\n");
 336 }
 337
 338 static void print_vol_knob(struct snd_info_buffer *buffer,
 339                            struct hda_codec *codec, hda_nid_t nid)
 340 {
 341         unsigned int cap = snd_hda_param_read(codec, nid,
 342                                               AC_PAR_VOL_KNB_CAP);
 343         snd_iprintf(buffer, "  Volume-Knob: delta=%d, steps=%d, ",
 344                     (cap >> 7) & 1, cap & 0x7f);
 345         cap = snd_hda_codec_read(codec, nid, 0,
 346                                  AC_VERB_GET_VOLUME_KNOB_CONTROL, 0);
 347         snd_iprintf(buffer, "direct=%d, val=%d\n",
 348                     (cap >> 7) & 1, cap & 0x7f);
 349 }
 350
 351 static void print_audio_io(struct snd_info_buffer *buffer,
 352                            struct hda_codec *codec, hda_nid_t nid,
 353                            unsigned int wid_type)
 354 {
 355         int conv = snd_hda_codec_read(codec, nid, 0, AC_VERB_GET_CONV, 0);
 356         snd_iprintf(buffer,
 357                     "  Converter: stream=%d, channel=%d\n",
 358                     (conv & AC_CONV_STREAM) >> AC_CONV_STREAM_SHIFT,
 359                     conv & AC_CONV_CHANNEL);
 360
 361         if (wid_type == AC_WID_AUD_IN && (conv & AC_CONV_CHANNEL) == 0) {
 362                 int sdi = snd_hda_codec_read(codec, nid, 0,
 363                                              AC_VERB_GET_SDI_SELECT, 0);
 364                 snd_iprintf(buffer, "  SDI-Select: %d\n",
 365                             sdi & AC_SDI_SELECT);
 366         }
 367 }
 368
 369 static void print_digital_conv(struct snd_info_buffer *buffer,
 370                                struct hda_codec *codec, hda_nid_t nid)
 371 {
 372         unsigned int digi1 = snd_hda_codec_read(codec, nid, 0,
 373                                                 AC_VERB_GET_DIGI_CONVERT_1, 0);
 374         snd_iprintf(buffer, "  Digital:");
 375         if (digi1 & AC_DIG1_ENABLE)
 376                 snd_iprintf(buffer, " Enabled");
 377         if (digi1 & AC_DIG1_V)
 378                 snd_iprintf(buffer, " Validity");
 379         if (digi1 & AC_DIG1_VCFG)
 380                 snd_iprintf(buffer, " ValidityCfg");
 381         if (digi1 & AC_DIG1_EMPHASIS)
 382                 snd_iprintf(buffer, " Preemphasis");
 383         if (digi1 & AC_DIG1_COPYRIGHT)
 384                 snd_iprintf(buffer, " Copyright");
 385         if (digi1 & AC_DIG1_NONAUDIO)
 386                 snd_iprintf(buffer, " Non-Audio");
 387         if (digi1 & AC_DIG1_PROFESSIONAL)
 388                 snd_iprintf(buffer, " Pro");
 389         if (digi1 & AC_DIG1_LEVEL)
 390                 snd_iprintf(buffer, " GenLevel");
 391         snd_iprintf(buffer, "\n");
 392         snd_iprintf(buffer, "  Digital category: 0x%x\n",
 393                     (digi1 >> 8) & AC_DIG2_CC);
 394 }
 395
 396 static const char *get_pwr_state(u32 state)
 397 {
 398         static const char *buf[4] = {
 399                 "D0", "D1", "D2", "D3"
 400         };
 401         if (state < 4)
 402                 return buf[state];
 403         return "UNKNOWN";
 404 }
 405
 406 static void print_power_state(struct snd_info_buffer *buffer,
 407                               struct hda_codec *codec, hda_nid_t nid)
 408 {
 409         int pwr = snd_hda_codec_read(codec, nid, 0,
 410                                      AC_VERB_GET_POWER_STATE, 0);
 411         snd_iprintf(buffer, "  Power: setting=%s, actual=%s\n",
 412                     get_pwr_state(pwr & AC_PWRST_SETTING),
 413                     get_pwr_state((pwr & AC_PWRST_ACTUAL) >>
 414                                   AC_PWRST_ACTUAL_SHIFT));
 415 }
 416
 417 static void print_unsol_cap(struct snd_info_buffer *buffer,
 418                               struct hda_codec *codec, hda_nid_t nid)
 419 {
 420         int unsol = snd_hda_codec_read(codec, nid, 0,
 421                                        AC_VERB_GET_UNSOLICITED_RESPONSE, 0);
 422         snd_iprintf(buffer,
 423                     "  Unsolicited: tag=%02x, enabled=%d\n",
 424                     unsol & AC_UNSOL_TAG,
 425                     (unsol & AC_UNSOL_ENABLED) ? 1 : 0);
 426 }
 427
 428 static void print_proc_caps(struct snd_info_buffer *buffer,
 429                             struct hda_codec *codec, hda_nid_t nid)
 430 {
 431         unsigned int proc_caps = snd_hda_param_read(codec, nid,
 432                                                     AC_PAR_PROC_CAP);
 433         snd_iprintf(buffer, "  Processing caps: benign=%d, ncoeff=%d\n",
 434                     proc_caps & AC_PCAP_BENIGN,
 435                     (proc_caps & AC_PCAP_NUM_COEF) >> AC_PCAP_NUM_COEF_SHIFT);
 436 }
 437
 438 static void print_conn_list(struct snd_info_buffer *buffer,
 439                             struct hda_codec *codec, hda_nid_t nid,
 440                             unsigned int wid_type, hda_nid_t *conn,
 441                             int conn_len)
 442 {
 443         int c, curr = -1;
 444
 445         if (conn_len > 1 && wid_type != AC_WID_AUD_MIX)
 446                 curr = snd_hda_codec_read(codec, nid, 0,
 447                                           AC_VERB_GET_CONNECT_SEL, 0);
 448         snd_iprintf(buffer, "  Connection: %d\n", conn_len);
 449         if (conn_len > 0) {
 450                 snd_iprintf(buffer, "    ");
 451                 for (c = 0; c < conn_len; c++) {
 452                         snd_iprintf(buffer, " 0x%02x", conn[c]);
 453                         if (c == curr)
 454                                 snd_iprintf(buffer, "*");
 455                 }
 456                 snd_iprintf(buffer, "\n");
 457         }
 458 }
 459
 460 static void print_realtek_coef(struct snd_info_buffer *buffer,
 461                                struct hda_codec *codec, hda_nid_t nid)
 462 {
 463         int coeff = snd_hda_codec_read(codec, nid, 0,
 464                                        AC_VERB_GET_PROC_COEF, 0);
 465         snd_iprintf(buffer, "  Processing Coefficient: 0x%02x\n", coeff);
 466         coeff = snd_hda_codec_read(codec, nid, 0,
 467                                    AC_VERB_GET_COEF_INDEX, 0);
 468         snd_iprintf(buffer, "  Coefficient Index: 0x%02x\n", coeff);
 469 }
 470
 471 static void print_gpio(struct snd_info_buffer *buffer,
 472                        struct hda_codec *codec, hda_nid_t nid)
 473 {
 474         unsigned int gpio =
 475                 snd_hda_param_read(codec, codec->afg, AC_PAR_GPIO_CAP);
 476         unsigned int enable, direction, wake, unsol, sticky, data;
 477         int i, max;
 478         snd_iprintf(buffer, "GPIO: io=%d, o=%d, i=%d, "
 479                     "unsolicited=%d, wake=%d\n",
 480                     gpio & AC_GPIO_IO_COUNT,
 481                     (gpio & AC_GPIO_O_COUNT) >> AC_GPIO_O_COUNT_SHIFT,
 482                     (gpio & AC_GPIO_I_COUNT) >> AC_GPIO_I_COUNT_SHIFT,
 483                     (gpio & AC_GPIO_UNSOLICITED) ? 1 : 0,
 484                     (gpio & AC_GPIO_WAKE) ? 1 : 0);
 485         max = gpio & AC_GPIO_IO_COUNT;
 486         enable = snd_hda_codec_read(codec, nid, 0,
 487                                     AC_VERB_GET_GPIO_MASK, 0);
 488         direction = snd_hda_codec_read(codec, nid, 0,
 489                                        AC_VERB_GET_GPIO_DIRECTION, 0);
 490         wake = snd_hda_codec_read(codec, nid, 0,
 491                                   AC_VERB_GET_GPIO_WAKE_MASK, 0);
 492         unsol  = snd_hda_codec_read(codec, nid, 0,
 493                                     AC_VERB_GET_GPIO_UNSOLICITED_RSP_MASK, 0);
 494         sticky = snd_hda_codec_read(codec, nid, 0,
 495                                     AC_VERB_GET_GPIO_STICKY_MASK, 0);
 496         data = snd_hda_codec_read(codec, nid, 0,
 497                                   AC_VERB_GET_GPIO_DATA, 0);
 498         for (i = 0; i < max; ++i)
 499                 snd_iprintf(buffer,
 500                             "  IO[%d]: enable=%d, dir=%d, wake=%d, "
 501                             "sticky=%d, data=%d\n", i,
 502                             (enable & (1<<i)) ? 1 : 0,
 503                             (direction & (1<<i)) ? 1 : 0,
 504                             (wake & (1<<i)) ? 1 : 0,
 505                             (sticky & (1<<i)) ? 1 : 0,
 506                             (data & (1<<i)) ? 1 : 0);
 507         /* FIXME: add GPO and GPI pin information */
 508 }
 509
 510 static void print_codec_info(struct snd_info_entry *entry,
 511                              struct snd_info_buffer *buffer)
 512 {
 513         struct hda_codec *codec = entry->private_data;
 514         char buf[32];
 515         hda_nid_t nid;
 516         int i, nodes;
 517
 518         snd_hda_get_codec_name(codec, buf, sizeof(buf));
 519         snd_iprintf(buffer, "Codec: %s\n", buf);
 520         snd_iprintf(buffer, "Address: %d\n", codec->addr);
 521         snd_iprintf(buffer, "Vendor Id: 0x%x\n", codec->vendor_id);
 522         snd_iprintf(buffer, "Subsystem Id: 0x%x\n", codec->subsystem_id);
 523         snd_iprintf(buffer, "Revision Id: 0x%x\n", codec->revision_id);
 524
 525         if (codec->mfg)
 526                 snd_iprintf(buffer, "Modem Function Group: 0x%x\n", codec->mfg);
 527         else
 528                 snd_iprintf(buffer, "No Modem Function Group found\n");
 529
 530         if (! codec->afg)
 531                 return;
 532         snd_hda_power_up(codec);
 533         snd_iprintf(buffer, "Default PCM:\n");
 534         print_pcm_caps(buffer, codec, codec->afg);
 535         snd_iprintf(buffer, "Default Amp-In caps: ");
 536         print_amp_caps(buffer, codec, codec->afg, HDA_INPUT);
 537         snd_iprintf(buffer, "Default Amp-Out caps: ");
 538         print_amp_caps(buffer, codec, codec->afg, HDA_OUTPUT);
 539
 540         nodes = snd_hda_get_sub_nodes(codec, codec->afg, &nid);
 541         if (! nid || nodes < 0) {
 542                 snd_iprintf(buffer, "Invalid AFG subtree\n");
 543                 snd_hda_power_down(codec);
 544                 return;
 545         }
 546
 547         print_gpio(buffer, codec, codec->afg);
 548
 549         for (i = 0; i < nodes; i++, nid++) {
 550                 unsigned int wid_caps =
 551                         snd_hda_param_read(codec, nid,
 552                                            AC_PAR_AUDIO_WIDGET_CAP);
 553                 unsigned int wid_type =
 554                         (wid_caps & AC_WCAP_TYPE) >> AC_WCAP_TYPE_SHIFT;
 555                 hda_nid_t conn[HDA_MAX_CONNECTIONS];
 556                 int conn_len = 0;
 557
 558                 snd_iprintf(buffer, "Node 0x%02x [%s] wcaps 0x%x:", nid,
 559                             get_wid_type_name(wid_type), wid_caps);
 560                 if (wid_caps & AC_WCAP_STEREO) {
 561                         unsigned int chans;
 562                         chans = (wid_caps & AC_WCAP_CHAN_CNT_EXT) >> 13;
 563                         chans = ((chans << 1) | 1) + 1;
 564                         if (chans == 2)
 565                                 snd_iprintf(buffer, " Stereo");
 566                         else
 567                                 snd_iprintf(buffer, " %d-Channels", chans);
 568                 } else
 569                         snd_iprintf(buffer, " Mono");
 570                 if (wid_caps & AC_WCAP_DIGITAL)
 571                         snd_iprintf(buffer, " Digital");
 572                 if (wid_caps & AC_WCAP_IN_AMP)
 573                         snd_iprintf(buffer, " Amp-In");
 574                 if (wid_caps & AC_WCAP_OUT_AMP)
 575                         snd_iprintf(buffer, " Amp-Out");
 576                 if (wid_caps & AC_WCAP_STRIPE)
 577                         snd_iprintf(buffer, " Stripe");
 578                 if (wid_caps & AC_WCAP_LR_SWAP)
 579                         snd_iprintf(buffer, " R/L");
 580                 if (wid_caps & AC_WCAP_CP_CAPS)
 581                         snd_iprintf(buffer, " CP");
 582                 snd_iprintf(buffer, "\n");
 583
 584                 /* volume knob is a special widget that always have connection
 585                  * list
 586                  */
 587                 if (wid_type == AC_WID_VOL_KNB)
 588                         wid_caps |= AC_WCAP_CONN_LIST;
 589
 590                 if (wid_caps & AC_WCAP_CONN_LIST)
 591                         conn_len = snd_hda_get_connections(codec, nid, conn,
 592                                                            HDA_MAX_CONNECTIONS);
 593
 594                 if (wid_caps & AC_WCAP_IN_AMP) {
 595                         snd_iprintf(buffer, "  Amp-In caps: ");
 596                         print_amp_caps(buffer, codec, nid, HDA_INPUT);
 597                         snd_iprintf(buffer, "  Amp-In vals: ");
 598                         print_amp_vals(buffer, codec, nid, HDA_INPUT,
 599                                        wid_caps & AC_WCAP_STEREO,
 600                                        wid_type == AC_WID_PIN ? 1 : conn_len);
 601                 }
 602                 if (wid_caps & AC_WCAP_OUT_AMP) {
 603                         snd_iprintf(buffer, "  Amp-Out caps: ");
 604                         print_amp_caps(buffer, codec, nid, HDA_OUTPUT);
 605                         snd_iprintf(buffer, "  Amp-Out vals: ");
 606                         print_amp_vals(buffer, codec, nid, HDA_OUTPUT,
 607                                        wid_caps & AC_WCAP_STEREO, 1);
 608                 }
 609
 610                 switch (wid_type) {
 611                 case AC_WID_PIN: {
 612                         int supports_vref;
 613                         print_pin_caps(buffer, codec, nid, &supports_vref);
 614                         print_pin_ctls(buffer, codec, nid, supports_vref);
 615                         break;
 616                 }
 617                 case AC_WID_VOL_KNB:
 618                         print_vol_knob(buffer, codec, nid);
 619                         break;
 620                 case AC_WID_AUD_OUT:
 621                 case AC_WID_AUD_IN:
 622                         print_audio_io(buffer, codec, nid, wid_type);
 623                         if (wid_caps & AC_WCAP_DIGITAL)
 624                                 print_digital_conv(buffer, codec, nid);
 625                         if (wid_caps & AC_WCAP_FORMAT_OVRD) {
 626                                 snd_iprintf(buffer, "  PCM:\n");
 627                                 print_pcm_caps(buffer, codec, nid);
 628                         }
 629                         break;
 630                 }
 631
 632                 if (wid_caps & AC_WCAP_UNSOL_CAP)
 633                         print_unsol_cap(buffer, codec, nid);
 634
 635                 if (wid_caps & AC_WCAP_POWER)
 636                         print_power_state(buffer, codec, nid);
 637
 638                 if (wid_caps & AC_WCAP_DELAY)
 639                         snd_iprintf(buffer, "  Delay: %d samples\n",
 640                                     (wid_caps & AC_WCAP_DELAY) >>
 641                                     AC_WCAP_DELAY_SHIFT);
 642
 643                 if (wid_caps & AC_WCAP_CONN_LIST)
 644                         print_conn_list(buffer, codec, nid, wid_type,
 645                                         conn, conn_len);
 646
 647                 if (wid_caps & AC_WCAP_PROC_WID)
 648                         print_proc_caps(buffer, codec, nid);
 649
 650                 /* NID 0x20 == Realtek Define Registers */
 651                 if (codec->vendor_id == 0x10ec && nid == 0x20)
 652                         print_realtek_coef(buffer, codec, nid);
 653         }
 654         snd_hda_power_down(codec);
 655 }
 656
 657 /*
 658  * create a proc read
 659  */
 660 int snd_hda_codec_proc_new(struct hda_codec *codec)
 661 {
 662         char name[32];
 663         struct snd_info_entry *entry;
 664         int err;
 665
 666         snprintf(name, sizeof(name), "codec#%d", codec->addr);
 667         err = snd_card_proc_new(codec->bus->card, name, &entry);
 668         if (err < 0)
 669                 return err;
 670
 671         snd_info_set_text_ops(entry, codec, print_codec_info);
 672         return 0;
 673 }
 674