linux/sound/pci/hda/hda_proc.c
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   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
  29static char *bits_names(unsigned int bits, char *names[], int size)
  30{
  31        int i, n;
  32        static char buf[128];
  33
  34        for (i = 0, n = 0; i < size; i++) {
  35                if (bits & (1U<<i) && names[i])
  36                        n += snprintf(buf + n, sizeof(buf) - n, " %s",
  37                                      names[i]);
  38        }
  39        buf[n] = '\0';
  40
  41        return buf;
  42}
  43
  44static const char *get_wid_type_name(unsigned int wid_value)
  45{
  46        static char *names[16] = {
  47                [AC_WID_AUD_OUT] = "Audio Output",
  48                [AC_WID_AUD_IN] = "Audio Input",
  49                [AC_WID_AUD_MIX] = "Audio Mixer",
  50                [AC_WID_AUD_SEL] = "Audio Selector",
  51                [AC_WID_PIN] = "Pin Complex",
  52                [AC_WID_POWER] = "Power Widget",
  53                [AC_WID_VOL_KNB] = "Volume Knob Widget",
  54                [AC_WID_BEEP] = "Beep Generator Widget",
  55                [AC_WID_VENDOR] = "Vendor Defined Widget",
  56        };
  57        wid_value &= 0xf;
  58        if (names[wid_value])
  59                return names[wid_value];
  60        else
  61                return "UNKNOWN Widget";
  62}
  63
  64static void print_nid_array(struct snd_info_buffer *buffer,
  65                            struct hda_codec *codec, hda_nid_t nid,
  66                            struct snd_array *array)
  67{
  68        int i;
  69        struct hda_nid_item *items = array->list, *item;
  70        struct snd_kcontrol *kctl;
  71        for (i = 0; i < array->used; i++) {
  72                item = &items[i];
  73                if (item->nid == nid) {
  74                        kctl = item->kctl;
  75                        snd_iprintf(buffer,
  76                          "  Control: name=\"%s\", index=%i, device=%i\n",
  77                          kctl->id.name, kctl->id.index + item->index,
  78                          kctl->id.device);
  79                        if (item->flags & HDA_NID_ITEM_AMP)
  80                                snd_iprintf(buffer,
  81                                  "    ControlAmp: chs=%lu, dir=%s, "
  82                                  "idx=%lu, ofs=%lu\n",
  83                                  get_amp_channels(kctl),
  84                                  get_amp_direction(kctl) ? "Out" : "In",
  85                                  get_amp_index(kctl),
  86                                  get_amp_offset(kctl));
  87                }
  88        }
  89}
  90
  91static void print_nid_pcms(struct snd_info_buffer *buffer,
  92                           struct hda_codec *codec, hda_nid_t nid)
  93{
  94        int pcm, type;
  95        struct hda_pcm *cpcm;
  96        for (pcm = 0; pcm < codec->num_pcms; pcm++) {
  97                cpcm = &codec->pcm_info[pcm];
  98                for (type = 0; type < 2; type++) {
  99                        if (cpcm->stream[type].nid != nid || cpcm->pcm == NULL)
 100                                continue;
 101                        snd_iprintf(buffer, "  Device: name=\"%s\", "
 102                                    "type=\"%s\", device=%i\n",
 103                                    cpcm->name,
 104                                    snd_hda_pcm_type_name[cpcm->pcm_type],
 105                                    cpcm->pcm->device);
 106                }
 107        }
 108}
 109
 110static void print_amp_caps(struct snd_info_buffer *buffer,
 111                           struct hda_codec *codec, hda_nid_t nid, int dir)
 112{
 113        unsigned int caps;
 114        caps = snd_hda_param_read(codec, nid,
 115                                  dir == HDA_OUTPUT ?
 116                                    AC_PAR_AMP_OUT_CAP : AC_PAR_AMP_IN_CAP);
 117        if (caps == -1 || caps == 0) {
 118                snd_iprintf(buffer, "N/A\n");
 119                return;
 120        }
 121        snd_iprintf(buffer, "ofs=0x%02x, nsteps=0x%02x, stepsize=0x%02x, "
 122                    "mute=%x\n",
 123                    caps & AC_AMPCAP_OFFSET,
 124                    (caps & AC_AMPCAP_NUM_STEPS) >> AC_AMPCAP_NUM_STEPS_SHIFT,
 125                    (caps & AC_AMPCAP_STEP_SIZE) >> AC_AMPCAP_STEP_SIZE_SHIFT,
 126                    (caps & AC_AMPCAP_MUTE) >> AC_AMPCAP_MUTE_SHIFT);
 127}
 128
 129static void print_amp_vals(struct snd_info_buffer *buffer,
 130                           struct hda_codec *codec, hda_nid_t nid,
 131                           int dir, int stereo, int indices)
 132{
 133        unsigned int val;
 134        int i;
 135
 136        dir = dir == HDA_OUTPUT ? AC_AMP_GET_OUTPUT : AC_AMP_GET_INPUT;
 137        for (i = 0; i < indices; i++) {
 138                snd_iprintf(buffer, " [");
 139                if (stereo) {
 140                        val = snd_hda_codec_read(codec, nid, 0,
 141                                                 AC_VERB_GET_AMP_GAIN_MUTE,
 142                                                 AC_AMP_GET_LEFT | dir | i);
 143                        snd_iprintf(buffer, "0x%02x ", val);
 144                }
 145                val = snd_hda_codec_read(codec, nid, 0,
 146                                         AC_VERB_GET_AMP_GAIN_MUTE,
 147                                         AC_AMP_GET_RIGHT | dir | i);
 148                snd_iprintf(buffer, "0x%02x]", val);
 149        }
 150        snd_iprintf(buffer, "\n");
 151}
 152
 153static void print_pcm_rates(struct snd_info_buffer *buffer, unsigned int pcm)
 154{
 155        char buf[SND_PRINT_RATES_ADVISED_BUFSIZE];
 156
 157        pcm &= AC_SUPPCM_RATES;
 158        snd_iprintf(buffer, "    rates [0x%x]:", pcm);
 159        snd_print_pcm_rates(pcm, buf, sizeof(buf));
 160        snd_iprintf(buffer, "%s\n", buf);
 161}
 162
 163static void print_pcm_bits(struct snd_info_buffer *buffer, unsigned int pcm)
 164{
 165        char buf[SND_PRINT_BITS_ADVISED_BUFSIZE];
 166
 167        snd_iprintf(buffer, "    bits [0x%x]:", (pcm >> 16) & 0xff);
 168        snd_print_pcm_bits(pcm, buf, sizeof(buf));
 169        snd_iprintf(buffer, "%s\n", buf);
 170}
 171
 172static void print_pcm_formats(struct snd_info_buffer *buffer,
 173                              unsigned int streams)
 174{
 175        snd_iprintf(buffer, "    formats [0x%x]:", streams & 0xf);
 176        if (streams & AC_SUPFMT_PCM)
 177                snd_iprintf(buffer, " PCM");
 178        if (streams & AC_SUPFMT_FLOAT32)
 179                snd_iprintf(buffer, " FLOAT");
 180        if (streams & AC_SUPFMT_AC3)
 181                snd_iprintf(buffer, " AC3");
 182        snd_iprintf(buffer, "\n");
 183}
 184
 185static void print_pcm_caps(struct snd_info_buffer *buffer,
 186                           struct hda_codec *codec, hda_nid_t nid)
 187{
 188        unsigned int pcm = snd_hda_param_read(codec, nid, AC_PAR_PCM);
 189        unsigned int stream = snd_hda_param_read(codec, nid, AC_PAR_STREAM);
 190        if (pcm == -1 || stream == -1) {
 191                snd_iprintf(buffer, "N/A\n");
 192                return;
 193        }
 194        print_pcm_rates(buffer, pcm);
 195        print_pcm_bits(buffer, pcm);
 196        print_pcm_formats(buffer, stream);
 197}
 198
 199static const char *get_jack_connection(u32 cfg)
 200{
 201        static char *names[16] = {
 202                "Unknown", "1/8", "1/4", "ATAPI",
 203                "RCA", "Optical","Digital", "Analog",
 204                "DIN", "XLR", "RJ11", "Comb",
 205                NULL, NULL, NULL, "Other"
 206        };
 207        cfg = (cfg & AC_DEFCFG_CONN_TYPE) >> AC_DEFCFG_CONN_TYPE_SHIFT;
 208        if (names[cfg])
 209                return names[cfg];
 210        else
 211                return "UNKNOWN";
 212}
 213
 214static const char *get_jack_color(u32 cfg)
 215{
 216        static char *names[16] = {
 217                "Unknown", "Black", "Grey", "Blue",
 218                "Green", "Red", "Orange", "Yellow",
 219                "Purple", "Pink", NULL, NULL,
 220                NULL, NULL, "White", "Other",
 221        };
 222        cfg = (cfg & AC_DEFCFG_COLOR) >> AC_DEFCFG_COLOR_SHIFT;
 223        if (names[cfg])
 224                return names[cfg];
 225        else
 226                return "UNKNOWN";
 227}
 228
 229static void print_pin_caps(struct snd_info_buffer *buffer,
 230                           struct hda_codec *codec, hda_nid_t nid,
 231                           int *supports_vref)
 232{
 233        static char *jack_conns[4] = { "Jack", "N/A", "Fixed", "Both" };
 234        unsigned int caps, val;
 235
 236        caps = snd_hda_param_read(codec, nid, AC_PAR_PIN_CAP);
 237        snd_iprintf(buffer, "  Pincap 0x%08x:", caps);
 238        if (caps & AC_PINCAP_IN)
 239                snd_iprintf(buffer, " IN");
 240        if (caps & AC_PINCAP_OUT)
 241                snd_iprintf(buffer, " OUT");
 242        if (caps & AC_PINCAP_HP_DRV)
 243                snd_iprintf(buffer, " HP");
 244        if (caps & AC_PINCAP_EAPD)
 245                snd_iprintf(buffer, " EAPD");
 246        if (caps & AC_PINCAP_PRES_DETECT)
 247                snd_iprintf(buffer, " Detect");
 248        if (caps & AC_PINCAP_BALANCE)
 249                snd_iprintf(buffer, " Balanced");
 250        if (caps & AC_PINCAP_HDMI) {
 251                /* Realtek uses this bit as a different meaning */
 252                if ((codec->vendor_id >> 16) == 0x10ec)
 253                        snd_iprintf(buffer, " R/L");
 254                else {
 255                        if (caps & AC_PINCAP_HBR)
 256                                snd_iprintf(buffer, " HBR");
 257                        snd_iprintf(buffer, " HDMI");
 258                }
 259        }
 260        if (caps & AC_PINCAP_DP)
 261                snd_iprintf(buffer, " DP");
 262        if (caps & AC_PINCAP_TRIG_REQ)
 263                snd_iprintf(buffer, " Trigger");
 264        if (caps & AC_PINCAP_IMP_SENSE)
 265                snd_iprintf(buffer, " ImpSense");
 266        snd_iprintf(buffer, "\n");
 267        if (caps & AC_PINCAP_VREF) {
 268                unsigned int vref =
 269                        (caps & AC_PINCAP_VREF) >> AC_PINCAP_VREF_SHIFT;
 270                snd_iprintf(buffer, "    Vref caps:");
 271                if (vref & AC_PINCAP_VREF_HIZ)
 272                        snd_iprintf(buffer, " HIZ");
 273                if (vref & AC_PINCAP_VREF_50)
 274                        snd_iprintf(buffer, " 50");
 275                if (vref & AC_PINCAP_VREF_GRD)
 276                        snd_iprintf(buffer, " GRD");
 277                if (vref & AC_PINCAP_VREF_80)
 278                        snd_iprintf(buffer, " 80");
 279                if (vref & AC_PINCAP_VREF_100)
 280                        snd_iprintf(buffer, " 100");
 281                snd_iprintf(buffer, "\n");
 282                *supports_vref = 1;
 283        } else
 284                *supports_vref = 0;
 285        if (caps & AC_PINCAP_EAPD) {
 286                val = snd_hda_codec_read(codec, nid, 0,
 287                                         AC_VERB_GET_EAPD_BTLENABLE, 0);
 288                snd_iprintf(buffer, "  EAPD 0x%x:", val);
 289                if (val & AC_EAPDBTL_BALANCED)
 290                        snd_iprintf(buffer, " BALANCED");
 291                if (val & AC_EAPDBTL_EAPD)
 292                        snd_iprintf(buffer, " EAPD");
 293                if (val & AC_EAPDBTL_LR_SWAP)
 294                        snd_iprintf(buffer, " R/L");
 295                snd_iprintf(buffer, "\n");
 296        }
 297        caps = snd_hda_codec_read(codec, nid, 0, AC_VERB_GET_CONFIG_DEFAULT, 0);
 298        snd_iprintf(buffer, "  Pin Default 0x%08x: [%s] %s at %s %s\n", caps,
 299                    jack_conns[(caps & AC_DEFCFG_PORT_CONN) >> AC_DEFCFG_PORT_CONN_SHIFT],
 300                    snd_hda_get_jack_type(caps),
 301                    snd_hda_get_jack_connectivity(caps),
 302                    snd_hda_get_jack_location(caps));
 303        snd_iprintf(buffer, "    Conn = %s, Color = %s\n",
 304                    get_jack_connection(caps),
 305                    get_jack_color(caps));
 306        /* Default association and sequence values refer to default grouping
 307         * of pin complexes and their sequence within the group. This is used
 308         * for priority and resource allocation.
 309         */
 310        snd_iprintf(buffer, "    DefAssociation = 0x%x, Sequence = 0x%x\n",
 311                    (caps & AC_DEFCFG_DEF_ASSOC) >> AC_DEFCFG_ASSOC_SHIFT,
 312                    caps & AC_DEFCFG_SEQUENCE);
 313        if (((caps & AC_DEFCFG_MISC) >> AC_DEFCFG_MISC_SHIFT) &
 314            AC_DEFCFG_MISC_NO_PRESENCE) {
 315                /* Miscellaneous bit indicates external hardware does not
 316                 * support presence detection even if the pin complex
 317                 * indicates it is supported.
 318                 */
 319                snd_iprintf(buffer, "    Misc = NO_PRESENCE\n");
 320        }
 321}
 322
 323static void print_pin_ctls(struct snd_info_buffer *buffer,
 324                           struct hda_codec *codec, hda_nid_t nid,
 325                           int supports_vref)
 326{
 327        unsigned int pinctls;
 328
 329        pinctls = snd_hda_codec_read(codec, nid, 0,
 330                                     AC_VERB_GET_PIN_WIDGET_CONTROL, 0);
 331        snd_iprintf(buffer, "  Pin-ctls: 0x%02x:", pinctls);
 332        if (pinctls & AC_PINCTL_IN_EN)
 333                snd_iprintf(buffer, " IN");
 334        if (pinctls & AC_PINCTL_OUT_EN)
 335                snd_iprintf(buffer, " OUT");
 336        if (pinctls & AC_PINCTL_HP_EN)
 337                snd_iprintf(buffer, " HP");
 338        if (supports_vref) {
 339                int vref = pinctls & AC_PINCTL_VREFEN;
 340                switch (vref) {
 341                case AC_PINCTL_VREF_HIZ:
 342                        snd_iprintf(buffer, " VREF_HIZ");
 343                        break;
 344                case AC_PINCTL_VREF_50:
 345                        snd_iprintf(buffer, " VREF_50");
 346                        break;
 347                case AC_PINCTL_VREF_GRD:
 348                        snd_iprintf(buffer, " VREF_GRD");
 349                        break;
 350                case AC_PINCTL_VREF_80:
 351                        snd_iprintf(buffer, " VREF_80");
 352                        break;
 353                case AC_PINCTL_VREF_100:
 354                        snd_iprintf(buffer, " VREF_100");
 355                        break;
 356                }
 357        }
 358        snd_iprintf(buffer, "\n");
 359}
 360
 361static void print_vol_knob(struct snd_info_buffer *buffer,
 362                           struct hda_codec *codec, hda_nid_t nid)
 363{
 364        unsigned int cap = snd_hda_param_read(codec, nid,
 365                                              AC_PAR_VOL_KNB_CAP);
 366        snd_iprintf(buffer, "  Volume-Knob: delta=%d, steps=%d, ",
 367                    (cap >> 7) & 1, cap & 0x7f);
 368        cap = snd_hda_codec_read(codec, nid, 0,
 369                                 AC_VERB_GET_VOLUME_KNOB_CONTROL, 0);
 370        snd_iprintf(buffer, "direct=%d, val=%d\n",
 371                    (cap >> 7) & 1, cap & 0x7f);
 372}
 373
 374static void print_audio_io(struct snd_info_buffer *buffer,
 375                           struct hda_codec *codec, hda_nid_t nid,
 376                           unsigned int wid_type)
 377{
 378        int conv = snd_hda_codec_read(codec, nid, 0, AC_VERB_GET_CONV, 0);
 379        snd_iprintf(buffer,
 380                    "  Converter: stream=%d, channel=%d\n",
 381                    (conv & AC_CONV_STREAM) >> AC_CONV_STREAM_SHIFT,
 382                    conv & AC_CONV_CHANNEL);
 383
 384        if (wid_type == AC_WID_AUD_IN && (conv & AC_CONV_CHANNEL) == 0) {
 385                int sdi = snd_hda_codec_read(codec, nid, 0,
 386                                             AC_VERB_GET_SDI_SELECT, 0);
 387                snd_iprintf(buffer, "  SDI-Select: %d\n",
 388                            sdi & AC_SDI_SELECT);
 389        }
 390}
 391
 392static void print_digital_conv(struct snd_info_buffer *buffer,
 393                               struct hda_codec *codec, hda_nid_t nid)
 394{
 395        unsigned int digi1 = snd_hda_codec_read(codec, nid, 0,
 396                                                AC_VERB_GET_DIGI_CONVERT_1, 0);
 397        snd_iprintf(buffer, "  Digital:");
 398        if (digi1 & AC_DIG1_ENABLE)
 399                snd_iprintf(buffer, " Enabled");
 400        if (digi1 & AC_DIG1_V)
 401                snd_iprintf(buffer, " Validity");
 402        if (digi1 & AC_DIG1_VCFG)
 403                snd_iprintf(buffer, " ValidityCfg");
 404        if (digi1 & AC_DIG1_EMPHASIS)
 405                snd_iprintf(buffer, " Preemphasis");
 406        if (digi1 & AC_DIG1_COPYRIGHT)
 407                snd_iprintf(buffer, " Copyright");
 408        if (digi1 & AC_DIG1_NONAUDIO)
 409                snd_iprintf(buffer, " Non-Audio");
 410        if (digi1 & AC_DIG1_PROFESSIONAL)
 411                snd_iprintf(buffer, " Pro");
 412        if (digi1 & AC_DIG1_LEVEL)
 413                snd_iprintf(buffer, " GenLevel");
 414        snd_iprintf(buffer, "\n");
 415        snd_iprintf(buffer, "  Digital category: 0x%x\n",
 416                    (digi1 >> 8) & AC_DIG2_CC);
 417}
 418
 419static const char *get_pwr_state(u32 state)
 420{
 421        static const char * const buf[4] = {
 422                "D0", "D1", "D2", "D3"
 423        };
 424        if (state < 4)
 425                return buf[state];
 426        return "UNKNOWN";
 427}
 428
 429static void print_power_state(struct snd_info_buffer *buffer,
 430                              struct hda_codec *codec, hda_nid_t nid)
 431{
 432        static char *names[] = {
 433                [ilog2(AC_PWRST_D0SUP)]         = "D0",
 434                [ilog2(AC_PWRST_D1SUP)]         = "D1",
 435                [ilog2(AC_PWRST_D2SUP)]         = "D2",
 436                [ilog2(AC_PWRST_D3SUP)]         = "D3",
 437                [ilog2(AC_PWRST_D3COLDSUP)]     = "D3cold",
 438                [ilog2(AC_PWRST_S3D3COLDSUP)]   = "S3D3cold",
 439                [ilog2(AC_PWRST_CLKSTOP)]       = "CLKSTOP",
 440                [ilog2(AC_PWRST_EPSS)]          = "EPSS",
 441        };
 442
 443        int sup = snd_hda_param_read(codec, nid, AC_PAR_POWER_STATE);
 444        int pwr = snd_hda_codec_read(codec, nid, 0,
 445                                     AC_VERB_GET_POWER_STATE, 0);
 446        if (sup)
 447                snd_iprintf(buffer, "  Power states: %s\n",
 448                            bits_names(sup, names, ARRAY_SIZE(names)));
 449
 450        snd_iprintf(buffer, "  Power: setting=%s, actual=%s\n",
 451                    get_pwr_state(pwr & AC_PWRST_SETTING),
 452                    get_pwr_state((pwr & AC_PWRST_ACTUAL) >>
 453                                  AC_PWRST_ACTUAL_SHIFT));
 454}
 455
 456static void print_unsol_cap(struct snd_info_buffer *buffer,
 457                              struct hda_codec *codec, hda_nid_t nid)
 458{
 459        int unsol = snd_hda_codec_read(codec, nid, 0,
 460                                       AC_VERB_GET_UNSOLICITED_RESPONSE, 0);
 461        snd_iprintf(buffer,
 462                    "  Unsolicited: tag=%02x, enabled=%d\n",
 463                    unsol & AC_UNSOL_TAG,
 464                    (unsol & AC_UNSOL_ENABLED) ? 1 : 0);
 465}
 466
 467static void print_proc_caps(struct snd_info_buffer *buffer,
 468                            struct hda_codec *codec, hda_nid_t nid)
 469{
 470        unsigned int proc_caps = snd_hda_param_read(codec, nid,
 471                                                    AC_PAR_PROC_CAP);
 472        snd_iprintf(buffer, "  Processing caps: benign=%d, ncoeff=%d\n",
 473                    proc_caps & AC_PCAP_BENIGN,
 474                    (proc_caps & AC_PCAP_NUM_COEF) >> AC_PCAP_NUM_COEF_SHIFT);
 475}
 476
 477static void print_conn_list(struct snd_info_buffer *buffer,
 478                            struct hda_codec *codec, hda_nid_t nid,
 479                            unsigned int wid_type, hda_nid_t *conn,
 480                            int conn_len)
 481{
 482        int c, curr = -1;
 483
 484        if (conn_len > 1 &&
 485            wid_type != AC_WID_AUD_MIX &&
 486            wid_type != AC_WID_VOL_KNB &&
 487            wid_type != AC_WID_POWER)
 488                curr = snd_hda_codec_read(codec, nid, 0,
 489                                          AC_VERB_GET_CONNECT_SEL, 0);
 490        snd_iprintf(buffer, "  Connection: %d\n", conn_len);
 491        if (conn_len > 0) {
 492                snd_iprintf(buffer, "    ");
 493                for (c = 0; c < conn_len; c++) {
 494                        snd_iprintf(buffer, " 0x%02x", conn[c]);
 495                        if (c == curr)
 496                                snd_iprintf(buffer, "*");
 497                }
 498                snd_iprintf(buffer, "\n");
 499        }
 500}
 501
 502static void print_gpio(struct snd_info_buffer *buffer,
 503                       struct hda_codec *codec, hda_nid_t nid)
 504{
 505        unsigned int gpio =
 506                snd_hda_param_read(codec, codec->afg, AC_PAR_GPIO_CAP);
 507        unsigned int enable, direction, wake, unsol, sticky, data;
 508        int i, max;
 509        snd_iprintf(buffer, "GPIO: io=%d, o=%d, i=%d, "
 510                    "unsolicited=%d, wake=%d\n",
 511                    gpio & AC_GPIO_IO_COUNT,
 512                    (gpio & AC_GPIO_O_COUNT) >> AC_GPIO_O_COUNT_SHIFT,
 513                    (gpio & AC_GPIO_I_COUNT) >> AC_GPIO_I_COUNT_SHIFT,
 514                    (gpio & AC_GPIO_UNSOLICITED) ? 1 : 0,
 515                    (gpio & AC_GPIO_WAKE) ? 1 : 0);
 516        max = gpio & AC_GPIO_IO_COUNT;
 517        if (!max || max > 8)
 518                return;
 519        enable = snd_hda_codec_read(codec, nid, 0,
 520                                    AC_VERB_GET_GPIO_MASK, 0);
 521        direction = snd_hda_codec_read(codec, nid, 0,
 522                                       AC_VERB_GET_GPIO_DIRECTION, 0);
 523        wake = snd_hda_codec_read(codec, nid, 0,
 524                                  AC_VERB_GET_GPIO_WAKE_MASK, 0);
 525        unsol  = snd_hda_codec_read(codec, nid, 0,
 526                                    AC_VERB_GET_GPIO_UNSOLICITED_RSP_MASK, 0);
 527        sticky = snd_hda_codec_read(codec, nid, 0,
 528                                    AC_VERB_GET_GPIO_STICKY_MASK, 0);
 529        data = snd_hda_codec_read(codec, nid, 0,
 530                                  AC_VERB_GET_GPIO_DATA, 0);
 531        for (i = 0; i < max; ++i)
 532                snd_iprintf(buffer,
 533                            "  IO[%d]: enable=%d, dir=%d, wake=%d, "
 534                            "sticky=%d, data=%d, unsol=%d\n", i,
 535                            (enable & (1<<i)) ? 1 : 0,
 536                            (direction & (1<<i)) ? 1 : 0,
 537                            (wake & (1<<i)) ? 1 : 0,
 538                            (sticky & (1<<i)) ? 1 : 0,
 539                            (data & (1<<i)) ? 1 : 0,
 540                            (unsol & (1<<i)) ? 1 : 0);
 541        /* FIXME: add GPO and GPI pin information */
 542        print_nid_array(buffer, codec, nid, &codec->mixers);
 543        print_nid_array(buffer, codec, nid, &codec->nids);
 544}
 545
 546static void print_codec_info(struct snd_info_entry *entry,
 547                             struct snd_info_buffer *buffer)
 548{
 549        struct hda_codec *codec = entry->private_data;
 550        hda_nid_t nid;
 551        int i, nodes;
 552
 553        snd_iprintf(buffer, "Codec: ");
 554        if (codec->vendor_name && codec->chip_name)
 555                snd_iprintf(buffer, "%s %s\n",
 556                            codec->vendor_name, codec->chip_name);
 557        else
 558                snd_iprintf(buffer, "Not Set\n");
 559        snd_iprintf(buffer, "Address: %d\n", codec->addr);
 560        if (codec->afg)
 561                snd_iprintf(buffer, "AFG Function Id: 0x%x (unsol %u)\n",
 562                        codec->afg_function_id, codec->afg_unsol);
 563        if (codec->mfg)
 564                snd_iprintf(buffer, "MFG Function Id: 0x%x (unsol %u)\n",
 565                        codec->mfg_function_id, codec->mfg_unsol);
 566        snd_iprintf(buffer, "Vendor Id: 0x%08x\n", codec->vendor_id);
 567        snd_iprintf(buffer, "Subsystem Id: 0x%08x\n", codec->subsystem_id);
 568        snd_iprintf(buffer, "Revision Id: 0x%x\n", codec->revision_id);
 569
 570        if (codec->mfg)
 571                snd_iprintf(buffer, "Modem Function Group: 0x%x\n", codec->mfg);
 572        else
 573                snd_iprintf(buffer, "No Modem Function Group found\n");
 574
 575        if (! codec->afg)
 576                return;
 577        snd_hda_power_up(codec);
 578        snd_iprintf(buffer, "Default PCM:\n");
 579        print_pcm_caps(buffer, codec, codec->afg);
 580        snd_iprintf(buffer, "Default Amp-In caps: ");
 581        print_amp_caps(buffer, codec, codec->afg, HDA_INPUT);
 582        snd_iprintf(buffer, "Default Amp-Out caps: ");
 583        print_amp_caps(buffer, codec, codec->afg, HDA_OUTPUT);
 584
 585        nodes = snd_hda_get_sub_nodes(codec, codec->afg, &nid);
 586        if (! nid || nodes < 0) {
 587                snd_iprintf(buffer, "Invalid AFG subtree\n");
 588                snd_hda_power_down(codec);
 589                return;
 590        }
 591
 592        print_gpio(buffer, codec, codec->afg);
 593        if (codec->proc_widget_hook)
 594                codec->proc_widget_hook(buffer, codec, codec->afg);
 595
 596        for (i = 0; i < nodes; i++, nid++) {
 597                unsigned int wid_caps =
 598                        snd_hda_param_read(codec, nid,
 599                                           AC_PAR_AUDIO_WIDGET_CAP);
 600                unsigned int wid_type = get_wcaps_type(wid_caps);
 601                hda_nid_t conn[HDA_MAX_CONNECTIONS];
 602                int conn_len = 0;
 603
 604                snd_iprintf(buffer, "Node 0x%02x [%s] wcaps 0x%x:", nid,
 605                            get_wid_type_name(wid_type), wid_caps);
 606                if (wid_caps & AC_WCAP_STEREO) {
 607                        unsigned int chans = get_wcaps_channels(wid_caps);
 608                        if (chans == 2)
 609                                snd_iprintf(buffer, " Stereo");
 610                        else
 611                                snd_iprintf(buffer, " %d-Channels", chans);
 612                } else
 613                        snd_iprintf(buffer, " Mono");
 614                if (wid_caps & AC_WCAP_DIGITAL)
 615                        snd_iprintf(buffer, " Digital");
 616                if (wid_caps & AC_WCAP_IN_AMP)
 617                        snd_iprintf(buffer, " Amp-In");
 618                if (wid_caps & AC_WCAP_OUT_AMP)
 619                        snd_iprintf(buffer, " Amp-Out");
 620                if (wid_caps & AC_WCAP_STRIPE)
 621                        snd_iprintf(buffer, " Stripe");
 622                if (wid_caps & AC_WCAP_LR_SWAP)
 623                        snd_iprintf(buffer, " R/L");
 624                if (wid_caps & AC_WCAP_CP_CAPS)
 625                        snd_iprintf(buffer, " CP");
 626                snd_iprintf(buffer, "\n");
 627
 628                print_nid_array(buffer, codec, nid, &codec->mixers);
 629                print_nid_array(buffer, codec, nid, &codec->nids);
 630                print_nid_pcms(buffer, codec, nid);
 631
 632                /* volume knob is a special widget that always have connection
 633                 * list
 634                 */
 635                if (wid_type == AC_WID_VOL_KNB)
 636                        wid_caps |= AC_WCAP_CONN_LIST;
 637
 638                if (wid_caps & AC_WCAP_CONN_LIST)
 639                        conn_len = snd_hda_get_connections(codec, nid, conn,
 640                                                           HDA_MAX_CONNECTIONS);
 641
 642                if (wid_caps & AC_WCAP_IN_AMP) {
 643                        snd_iprintf(buffer, "  Amp-In caps: ");
 644                        print_amp_caps(buffer, codec, nid, HDA_INPUT);
 645                        snd_iprintf(buffer, "  Amp-In vals: ");
 646                        print_amp_vals(buffer, codec, nid, HDA_INPUT,
 647                                       wid_caps & AC_WCAP_STEREO,
 648                                       wid_type == AC_WID_PIN ? 1 : conn_len);
 649                }
 650                if (wid_caps & AC_WCAP_OUT_AMP) {
 651                        snd_iprintf(buffer, "  Amp-Out caps: ");
 652                        print_amp_caps(buffer, codec, nid, HDA_OUTPUT);
 653                        snd_iprintf(buffer, "  Amp-Out vals: ");
 654                        if (wid_type == AC_WID_PIN &&
 655                            codec->pin_amp_workaround)
 656                                print_amp_vals(buffer, codec, nid, HDA_OUTPUT,
 657                                               wid_caps & AC_WCAP_STEREO,
 658                                               conn_len);
 659                        else
 660                                print_amp_vals(buffer, codec, nid, HDA_OUTPUT,
 661                                               wid_caps & AC_WCAP_STEREO, 1);
 662                }
 663
 664                switch (wid_type) {
 665                case AC_WID_PIN: {
 666                        int supports_vref;
 667                        print_pin_caps(buffer, codec, nid, &supports_vref);
 668                        print_pin_ctls(buffer, codec, nid, supports_vref);
 669                        break;
 670                }
 671                case AC_WID_VOL_KNB:
 672                        print_vol_knob(buffer, codec, nid);
 673                        break;
 674                case AC_WID_AUD_OUT:
 675                case AC_WID_AUD_IN:
 676                        print_audio_io(buffer, codec, nid, wid_type);
 677                        if (wid_caps & AC_WCAP_DIGITAL)
 678                                print_digital_conv(buffer, codec, nid);
 679                        if (wid_caps & AC_WCAP_FORMAT_OVRD) {
 680                                snd_iprintf(buffer, "  PCM:\n");
 681                                print_pcm_caps(buffer, codec, nid);
 682                        }
 683                        break;
 684                }
 685
 686                if (wid_caps & AC_WCAP_UNSOL_CAP)
 687                        print_unsol_cap(buffer, codec, nid);
 688
 689                if (wid_caps & AC_WCAP_POWER)
 690                        print_power_state(buffer, codec, nid);
 691
 692                if (wid_caps & AC_WCAP_DELAY)
 693                        snd_iprintf(buffer, "  Delay: %d samples\n",
 694                                    (wid_caps & AC_WCAP_DELAY) >>
 695                                    AC_WCAP_DELAY_SHIFT);
 696
 697                if (wid_caps & AC_WCAP_CONN_LIST)
 698                        print_conn_list(buffer, codec, nid, wid_type,
 699                                        conn, conn_len);
 700
 701                if (wid_caps & AC_WCAP_PROC_WID)
 702                        print_proc_caps(buffer, codec, nid);
 703
 704                if (codec->proc_widget_hook)
 705                        codec->proc_widget_hook(buffer, codec, nid);
 706        }
 707        snd_hda_power_down(codec);
 708}
 709
 710/*
 711 * create a proc read
 712 */
 713int snd_hda_codec_proc_new(struct hda_codec *codec)
 714{
 715        char name[32];
 716        struct snd_info_entry *entry;
 717        int err;
 718
 719        snprintf(name, sizeof(name), "codec#%d", codec->addr);
 720        err = snd_card_proc_new(codec->bus->card, name, &entry);
 721        if (err < 0)
 722                return err;
 723
 724        snd_info_set_text_ops(entry, codec, print_codec_info);
 725        return 0;
 726}
 727
 728