linux/sound/pci/hda/hda_proc.c
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   1// SPDX-License-Identifier: GPL-2.0-or-later
   2/*
   3 * Universal Interface for Intel High Definition Audio Codec
   4 * 
   5 * Generic proc interface
   6 *
   7 * Copyright (c) 2004 Takashi Iwai <tiwai@suse.de>
   8 */
   9
  10#include <linux/init.h>
  11#include <linux/slab.h>
  12#include <sound/core.h>
  13#include <linux/module.h>
  14#include <sound/hda_codec.h>
  15#include "hda_local.h"
  16
  17static int dump_coef = -1;
  18module_param(dump_coef, int, 0644);
  19MODULE_PARM_DESC(dump_coef, "Dump processing coefficients in codec proc file (-1=auto, 0=disable, 1=enable)");
  20
  21/* always use noncached version */
  22#define param_read(codec, nid, parm) \
  23        snd_hdac_read_parm_uncached(&(codec)->core, nid, parm)
  24
  25static const char *get_wid_type_name(unsigned int wid_value)
  26{
  27        static const char * const names[16] = {
  28                [AC_WID_AUD_OUT] = "Audio Output",
  29                [AC_WID_AUD_IN] = "Audio Input",
  30                [AC_WID_AUD_MIX] = "Audio Mixer",
  31                [AC_WID_AUD_SEL] = "Audio Selector",
  32                [AC_WID_PIN] = "Pin Complex",
  33                [AC_WID_POWER] = "Power Widget",
  34                [AC_WID_VOL_KNB] = "Volume Knob Widget",
  35                [AC_WID_BEEP] = "Beep Generator Widget",
  36                [AC_WID_VENDOR] = "Vendor Defined Widget",
  37        };
  38        if (wid_value == -1)
  39                return "UNKNOWN Widget";
  40        wid_value &= 0xf;
  41        if (names[wid_value])
  42                return names[wid_value];
  43        else
  44                return "UNKNOWN Widget";
  45}
  46
  47static void print_nid_array(struct snd_info_buffer *buffer,
  48                            struct hda_codec *codec, hda_nid_t nid,
  49                            struct snd_array *array)
  50{
  51        int i;
  52        struct hda_nid_item *items = array->list, *item;
  53        struct snd_kcontrol *kctl;
  54        for (i = 0; i < array->used; i++) {
  55                item = &items[i];
  56                if (item->nid == nid) {
  57                        kctl = item->kctl;
  58                        snd_iprintf(buffer,
  59                          "  Control: name=\"%s\", index=%i, device=%i\n",
  60                          kctl->id.name, kctl->id.index + item->index,
  61                          kctl->id.device);
  62                        if (item->flags & HDA_NID_ITEM_AMP)
  63                                snd_iprintf(buffer,
  64                                  "    ControlAmp: chs=%lu, dir=%s, "
  65                                  "idx=%lu, ofs=%lu\n",
  66                                  get_amp_channels(kctl),
  67                                  get_amp_direction(kctl) ? "Out" : "In",
  68                                  get_amp_index(kctl),
  69                                  get_amp_offset(kctl));
  70                }
  71        }
  72}
  73
  74static void print_nid_pcms(struct snd_info_buffer *buffer,
  75                           struct hda_codec *codec, hda_nid_t nid)
  76{
  77        int type;
  78        struct hda_pcm *cpcm;
  79
  80        list_for_each_entry(cpcm, &codec->pcm_list_head, list) {
  81                for (type = 0; type < 2; type++) {
  82                        if (cpcm->stream[type].nid != nid || cpcm->pcm == NULL)
  83                                continue;
  84                        snd_iprintf(buffer, "  Device: name=\"%s\", "
  85                                    "type=\"%s\", device=%i\n",
  86                                    cpcm->name,
  87                                    snd_hda_pcm_type_name[cpcm->pcm_type],
  88                                    cpcm->pcm->device);
  89                }
  90        }
  91}
  92
  93static void print_amp_caps(struct snd_info_buffer *buffer,
  94                           struct hda_codec *codec, hda_nid_t nid, int dir)
  95{
  96        unsigned int caps;
  97        caps = param_read(codec, nid, dir == HDA_OUTPUT ?
  98                          AC_PAR_AMP_OUT_CAP : AC_PAR_AMP_IN_CAP);
  99        if (caps == -1 || caps == 0) {
 100                snd_iprintf(buffer, "N/A\n");
 101                return;
 102        }
 103        snd_iprintf(buffer, "ofs=0x%02x, nsteps=0x%02x, stepsize=0x%02x, "
 104                    "mute=%x\n",
 105                    caps & AC_AMPCAP_OFFSET,
 106                    (caps & AC_AMPCAP_NUM_STEPS) >> AC_AMPCAP_NUM_STEPS_SHIFT,
 107                    (caps & AC_AMPCAP_STEP_SIZE) >> AC_AMPCAP_STEP_SIZE_SHIFT,
 108                    (caps & AC_AMPCAP_MUTE) >> AC_AMPCAP_MUTE_SHIFT);
 109}
 110
 111/* is this a stereo widget or a stereo-to-mono mix? */
 112static bool is_stereo_amps(struct hda_codec *codec, hda_nid_t nid,
 113                           int dir, unsigned int wcaps, int indices)
 114{
 115        hda_nid_t conn;
 116
 117        if (wcaps & AC_WCAP_STEREO)
 118                return true;
 119        /* check for a stereo-to-mono mix; it must be:
 120         * only a single connection, only for input, and only a mixer widget
 121         */
 122        if (indices != 1 || dir != HDA_INPUT ||
 123            get_wcaps_type(wcaps) != AC_WID_AUD_MIX)
 124                return false;
 125
 126        if (snd_hda_get_raw_connections(codec, nid, &conn, 1) < 0)
 127                return false;
 128        /* the connection source is a stereo? */
 129        wcaps = snd_hda_param_read(codec, conn, AC_PAR_AUDIO_WIDGET_CAP);
 130        return !!(wcaps & AC_WCAP_STEREO);
 131}
 132
 133static void print_amp_vals(struct snd_info_buffer *buffer,
 134                           struct hda_codec *codec, hda_nid_t nid,
 135                           int dir, unsigned int wcaps, int indices)
 136{
 137        unsigned int val;
 138        bool stereo;
 139        int i;
 140
 141        stereo = is_stereo_amps(codec, nid, dir, wcaps, indices);
 142
 143        dir = dir == HDA_OUTPUT ? AC_AMP_GET_OUTPUT : AC_AMP_GET_INPUT;
 144        for (i = 0; i < indices; i++) {
 145                snd_iprintf(buffer, " [");
 146                val = snd_hda_codec_read(codec, nid, 0,
 147                                         AC_VERB_GET_AMP_GAIN_MUTE,
 148                                         AC_AMP_GET_LEFT | dir | i);
 149                snd_iprintf(buffer, "0x%02x", val);
 150                if (stereo) {
 151                        val = snd_hda_codec_read(codec, nid, 0,
 152                                                 AC_VERB_GET_AMP_GAIN_MUTE,
 153                                                 AC_AMP_GET_RIGHT | dir | i);
 154                        snd_iprintf(buffer, " 0x%02x", val);
 155                }
 156                snd_iprintf(buffer, "]");
 157        }
 158        snd_iprintf(buffer, "\n");
 159}
 160
 161static void print_pcm_rates(struct snd_info_buffer *buffer, unsigned int pcm)
 162{
 163        static unsigned int rates[] = {
 164                8000, 11025, 16000, 22050, 32000, 44100, 48000, 88200,
 165                96000, 176400, 192000, 384000
 166        };
 167        int i;
 168
 169        pcm &= AC_SUPPCM_RATES;
 170        snd_iprintf(buffer, "    rates [0x%x]:", pcm);
 171        for (i = 0; i < ARRAY_SIZE(rates); i++)
 172                if (pcm & (1 << i))
 173                        snd_iprintf(buffer,  " %d", rates[i]);
 174        snd_iprintf(buffer, "\n");
 175}
 176
 177static void print_pcm_bits(struct snd_info_buffer *buffer, unsigned int pcm)
 178{
 179        char buf[SND_PRINT_BITS_ADVISED_BUFSIZE];
 180
 181        snd_iprintf(buffer, "    bits [0x%x]:", (pcm >> 16) & 0xff);
 182        snd_print_pcm_bits(pcm, buf, sizeof(buf));
 183        snd_iprintf(buffer, "%s\n", buf);
 184}
 185
 186static void print_pcm_formats(struct snd_info_buffer *buffer,
 187                              unsigned int streams)
 188{
 189        snd_iprintf(buffer, "    formats [0x%x]:", streams & 0xf);
 190        if (streams & AC_SUPFMT_PCM)
 191                snd_iprintf(buffer, " PCM");
 192        if (streams & AC_SUPFMT_FLOAT32)
 193                snd_iprintf(buffer, " FLOAT");
 194        if (streams & AC_SUPFMT_AC3)
 195                snd_iprintf(buffer, " AC3");
 196        snd_iprintf(buffer, "\n");
 197}
 198
 199static void print_pcm_caps(struct snd_info_buffer *buffer,
 200                           struct hda_codec *codec, hda_nid_t nid)
 201{
 202        unsigned int pcm = param_read(codec, nid, AC_PAR_PCM);
 203        unsigned int stream = param_read(codec, nid, AC_PAR_STREAM);
 204        if (pcm == -1 || stream == -1) {
 205                snd_iprintf(buffer, "N/A\n");
 206                return;
 207        }
 208        print_pcm_rates(buffer, pcm);
 209        print_pcm_bits(buffer, pcm);
 210        print_pcm_formats(buffer, stream);
 211}
 212
 213static const char *get_jack_connection(u32 cfg)
 214{
 215        static const char * const names[16] = {
 216                "Unknown", "1/8", "1/4", "ATAPI",
 217                "RCA", "Optical","Digital", "Analog",
 218                "DIN", "XLR", "RJ11", "Comb",
 219                NULL, NULL, NULL, "Other"
 220        };
 221        cfg = (cfg & AC_DEFCFG_CONN_TYPE) >> AC_DEFCFG_CONN_TYPE_SHIFT;
 222        if (names[cfg])
 223                return names[cfg];
 224        else
 225                return "UNKNOWN";
 226}
 227
 228static const char *get_jack_color(u32 cfg)
 229{
 230        static const char * const names[16] = {
 231                "Unknown", "Black", "Grey", "Blue",
 232                "Green", "Red", "Orange", "Yellow",
 233                "Purple", "Pink", NULL, NULL,
 234                NULL, NULL, "White", "Other",
 235        };
 236        cfg = (cfg & AC_DEFCFG_COLOR) >> AC_DEFCFG_COLOR_SHIFT;
 237        if (names[cfg])
 238                return names[cfg];
 239        else
 240                return "UNKNOWN";
 241}
 242
 243/*
 244 * Parse the pin default config value and returns the string of the
 245 * jack location, e.g. "Rear", "Front", etc.
 246 */
 247static const char *get_jack_location(u32 cfg)
 248{
 249        static const char * const bases[7] = {
 250                "N/A", "Rear", "Front", "Left", "Right", "Top", "Bottom",
 251        };
 252        static const unsigned char specials_idx[] = {
 253                0x07, 0x08,
 254                0x17, 0x18, 0x19,
 255                0x37, 0x38
 256        };
 257        static const char * const specials[] = {
 258                "Rear Panel", "Drive Bar",
 259                "Riser", "HDMI", "ATAPI",
 260                "Mobile-In", "Mobile-Out"
 261        };
 262        int i;
 263
 264        cfg = (cfg & AC_DEFCFG_LOCATION) >> AC_DEFCFG_LOCATION_SHIFT;
 265        if ((cfg & 0x0f) < 7)
 266                return bases[cfg & 0x0f];
 267        for (i = 0; i < ARRAY_SIZE(specials_idx); i++) {
 268                if (cfg == specials_idx[i])
 269                        return specials[i];
 270        }
 271        return "UNKNOWN";
 272}
 273
 274/*
 275 * Parse the pin default config value and returns the string of the
 276 * jack connectivity, i.e. external or internal connection.
 277 */
 278static const char *get_jack_connectivity(u32 cfg)
 279{
 280        static const char * const jack_locations[4] = {
 281                "Ext", "Int", "Sep", "Oth"
 282        };
 283
 284        return jack_locations[(cfg >> (AC_DEFCFG_LOCATION_SHIFT + 4)) & 3];
 285}
 286
 287/*
 288 * Parse the pin default config value and returns the string of the
 289 * jack type, i.e. the purpose of the jack, such as Line-Out or CD.
 290 */
 291static const char *get_jack_type(u32 cfg)
 292{
 293        static const char * const jack_types[16] = {
 294                "Line Out", "Speaker", "HP Out", "CD",
 295                "SPDIF Out", "Digital Out", "Modem Line", "Modem Hand",
 296                "Line In", "Aux", "Mic", "Telephony",
 297                "SPDIF In", "Digital In", "Reserved", "Other"
 298        };
 299
 300        return jack_types[(cfg & AC_DEFCFG_DEVICE)
 301                                >> AC_DEFCFG_DEVICE_SHIFT];
 302}
 303
 304static void print_pin_caps(struct snd_info_buffer *buffer,
 305                           struct hda_codec *codec, hda_nid_t nid,
 306                           int *supports_vref)
 307{
 308        static const char * const jack_conns[4] = {
 309                "Jack", "N/A", "Fixed", "Both"
 310        };
 311        unsigned int caps, val;
 312
 313        caps = param_read(codec, nid, AC_PAR_PIN_CAP);
 314        snd_iprintf(buffer, "  Pincap 0x%08x:", caps);
 315        if (caps & AC_PINCAP_IN)
 316                snd_iprintf(buffer, " IN");
 317        if (caps & AC_PINCAP_OUT)
 318                snd_iprintf(buffer, " OUT");
 319        if (caps & AC_PINCAP_HP_DRV)
 320                snd_iprintf(buffer, " HP");
 321        if (caps & AC_PINCAP_EAPD)
 322                snd_iprintf(buffer, " EAPD");
 323        if (caps & AC_PINCAP_PRES_DETECT)
 324                snd_iprintf(buffer, " Detect");
 325        if (caps & AC_PINCAP_BALANCE)
 326                snd_iprintf(buffer, " Balanced");
 327        if (caps & AC_PINCAP_HDMI) {
 328                /* Realtek uses this bit as a different meaning */
 329                if ((codec->core.vendor_id >> 16) == 0x10ec)
 330                        snd_iprintf(buffer, " R/L");
 331                else {
 332                        if (caps & AC_PINCAP_HBR)
 333                                snd_iprintf(buffer, " HBR");
 334                        snd_iprintf(buffer, " HDMI");
 335                }
 336        }
 337        if (caps & AC_PINCAP_DP)
 338                snd_iprintf(buffer, " DP");
 339        if (caps & AC_PINCAP_TRIG_REQ)
 340                snd_iprintf(buffer, " Trigger");
 341        if (caps & AC_PINCAP_IMP_SENSE)
 342                snd_iprintf(buffer, " ImpSense");
 343        snd_iprintf(buffer, "\n");
 344        if (caps & AC_PINCAP_VREF) {
 345                unsigned int vref =
 346                        (caps & AC_PINCAP_VREF) >> AC_PINCAP_VREF_SHIFT;
 347                snd_iprintf(buffer, "    Vref caps:");
 348                if (vref & AC_PINCAP_VREF_HIZ)
 349                        snd_iprintf(buffer, " HIZ");
 350                if (vref & AC_PINCAP_VREF_50)
 351                        snd_iprintf(buffer, " 50");
 352                if (vref & AC_PINCAP_VREF_GRD)
 353                        snd_iprintf(buffer, " GRD");
 354                if (vref & AC_PINCAP_VREF_80)
 355                        snd_iprintf(buffer, " 80");
 356                if (vref & AC_PINCAP_VREF_100)
 357                        snd_iprintf(buffer, " 100");
 358                snd_iprintf(buffer, "\n");
 359                *supports_vref = 1;
 360        } else
 361                *supports_vref = 0;
 362        if (caps & AC_PINCAP_EAPD) {
 363                val = snd_hda_codec_read(codec, nid, 0,
 364                                         AC_VERB_GET_EAPD_BTLENABLE, 0);
 365                snd_iprintf(buffer, "  EAPD 0x%x:", val);
 366                if (val & AC_EAPDBTL_BALANCED)
 367                        snd_iprintf(buffer, " BALANCED");
 368                if (val & AC_EAPDBTL_EAPD)
 369                        snd_iprintf(buffer, " EAPD");
 370                if (val & AC_EAPDBTL_LR_SWAP)
 371                        snd_iprintf(buffer, " R/L");
 372                snd_iprintf(buffer, "\n");
 373        }
 374        caps = snd_hda_codec_read(codec, nid, 0, AC_VERB_GET_CONFIG_DEFAULT, 0);
 375        snd_iprintf(buffer, "  Pin Default 0x%08x: [%s] %s at %s %s\n", caps,
 376                    jack_conns[(caps & AC_DEFCFG_PORT_CONN) >> AC_DEFCFG_PORT_CONN_SHIFT],
 377                    get_jack_type(caps),
 378                    get_jack_connectivity(caps),
 379                    get_jack_location(caps));
 380        snd_iprintf(buffer, "    Conn = %s, Color = %s\n",
 381                    get_jack_connection(caps),
 382                    get_jack_color(caps));
 383        /* Default association and sequence values refer to default grouping
 384         * of pin complexes and their sequence within the group. This is used
 385         * for priority and resource allocation.
 386         */
 387        snd_iprintf(buffer, "    DefAssociation = 0x%x, Sequence = 0x%x\n",
 388                    (caps & AC_DEFCFG_DEF_ASSOC) >> AC_DEFCFG_ASSOC_SHIFT,
 389                    caps & AC_DEFCFG_SEQUENCE);
 390        if (((caps & AC_DEFCFG_MISC) >> AC_DEFCFG_MISC_SHIFT) &
 391            AC_DEFCFG_MISC_NO_PRESENCE) {
 392                /* Miscellaneous bit indicates external hardware does not
 393                 * support presence detection even if the pin complex
 394                 * indicates it is supported.
 395                 */
 396                snd_iprintf(buffer, "    Misc = NO_PRESENCE\n");
 397        }
 398}
 399
 400static void print_pin_ctls(struct snd_info_buffer *buffer,
 401                           struct hda_codec *codec, hda_nid_t nid,
 402                           int supports_vref)
 403{
 404        unsigned int pinctls;
 405
 406        pinctls = snd_hda_codec_read(codec, nid, 0,
 407                                     AC_VERB_GET_PIN_WIDGET_CONTROL, 0);
 408        snd_iprintf(buffer, "  Pin-ctls: 0x%02x:", pinctls);
 409        if (pinctls & AC_PINCTL_IN_EN)
 410                snd_iprintf(buffer, " IN");
 411        if (pinctls & AC_PINCTL_OUT_EN)
 412                snd_iprintf(buffer, " OUT");
 413        if (pinctls & AC_PINCTL_HP_EN)
 414                snd_iprintf(buffer, " HP");
 415        if (supports_vref) {
 416                int vref = pinctls & AC_PINCTL_VREFEN;
 417                switch (vref) {
 418                case AC_PINCTL_VREF_HIZ:
 419                        snd_iprintf(buffer, " VREF_HIZ");
 420                        break;
 421                case AC_PINCTL_VREF_50:
 422                        snd_iprintf(buffer, " VREF_50");
 423                        break;
 424                case AC_PINCTL_VREF_GRD:
 425                        snd_iprintf(buffer, " VREF_GRD");
 426                        break;
 427                case AC_PINCTL_VREF_80:
 428                        snd_iprintf(buffer, " VREF_80");
 429                        break;
 430                case AC_PINCTL_VREF_100:
 431                        snd_iprintf(buffer, " VREF_100");
 432                        break;
 433                }
 434        }
 435        snd_iprintf(buffer, "\n");
 436}
 437
 438static void print_vol_knob(struct snd_info_buffer *buffer,
 439                           struct hda_codec *codec, hda_nid_t nid)
 440{
 441        unsigned int cap = param_read(codec, nid, AC_PAR_VOL_KNB_CAP);
 442        snd_iprintf(buffer, "  Volume-Knob: delta=%d, steps=%d, ",
 443                    (cap >> 7) & 1, cap & 0x7f);
 444        cap = snd_hda_codec_read(codec, nid, 0,
 445                                 AC_VERB_GET_VOLUME_KNOB_CONTROL, 0);
 446        snd_iprintf(buffer, "direct=%d, val=%d\n",
 447                    (cap >> 7) & 1, cap & 0x7f);
 448}
 449
 450static void print_audio_io(struct snd_info_buffer *buffer,
 451                           struct hda_codec *codec, hda_nid_t nid,
 452                           unsigned int wid_type)
 453{
 454        int conv = snd_hda_codec_read(codec, nid, 0, AC_VERB_GET_CONV, 0);
 455        snd_iprintf(buffer,
 456                    "  Converter: stream=%d, channel=%d\n",
 457                    (conv & AC_CONV_STREAM) >> AC_CONV_STREAM_SHIFT,
 458                    conv & AC_CONV_CHANNEL);
 459
 460        if (wid_type == AC_WID_AUD_IN && (conv & AC_CONV_CHANNEL) == 0) {
 461                int sdi = snd_hda_codec_read(codec, nid, 0,
 462                                             AC_VERB_GET_SDI_SELECT, 0);
 463                snd_iprintf(buffer, "  SDI-Select: %d\n",
 464                            sdi & AC_SDI_SELECT);
 465        }
 466}
 467
 468static void print_digital_conv(struct snd_info_buffer *buffer,
 469                               struct hda_codec *codec, hda_nid_t nid)
 470{
 471        unsigned int digi1 = snd_hda_codec_read(codec, nid, 0,
 472                                                AC_VERB_GET_DIGI_CONVERT_1, 0);
 473        unsigned char digi2 = digi1 >> 8;
 474        unsigned char digi3 = digi1 >> 16;
 475
 476        snd_iprintf(buffer, "  Digital:");
 477        if (digi1 & AC_DIG1_ENABLE)
 478                snd_iprintf(buffer, " Enabled");
 479        if (digi1 & AC_DIG1_V)
 480                snd_iprintf(buffer, " Validity");
 481        if (digi1 & AC_DIG1_VCFG)
 482                snd_iprintf(buffer, " ValidityCfg");
 483        if (digi1 & AC_DIG1_EMPHASIS)
 484                snd_iprintf(buffer, " Preemphasis");
 485        if (digi1 & AC_DIG1_COPYRIGHT)
 486                snd_iprintf(buffer, " Non-Copyright");
 487        if (digi1 & AC_DIG1_NONAUDIO)
 488                snd_iprintf(buffer, " Non-Audio");
 489        if (digi1 & AC_DIG1_PROFESSIONAL)
 490                snd_iprintf(buffer, " Pro");
 491        if (digi1 & AC_DIG1_LEVEL)
 492                snd_iprintf(buffer, " GenLevel");
 493        if (digi3 & AC_DIG3_KAE)
 494                snd_iprintf(buffer, " KAE");
 495        snd_iprintf(buffer, "\n");
 496        snd_iprintf(buffer, "  Digital category: 0x%x\n",
 497                    digi2 & AC_DIG2_CC);
 498        snd_iprintf(buffer, "  IEC Coding Type: 0x%x\n",
 499                        digi3 & AC_DIG3_ICT);
 500}
 501
 502static const char *get_pwr_state(u32 state)
 503{
 504        static const char * const buf[] = {
 505                "D0", "D1", "D2", "D3", "D3cold"
 506        };
 507        if (state < ARRAY_SIZE(buf))
 508                return buf[state];
 509        return "UNKNOWN";
 510}
 511
 512static void print_power_state(struct snd_info_buffer *buffer,
 513                              struct hda_codec *codec, hda_nid_t nid)
 514{
 515        static const char * const names[] = {
 516                [ilog2(AC_PWRST_D0SUP)]         = "D0",
 517                [ilog2(AC_PWRST_D1SUP)]         = "D1",
 518                [ilog2(AC_PWRST_D2SUP)]         = "D2",
 519                [ilog2(AC_PWRST_D3SUP)]         = "D3",
 520                [ilog2(AC_PWRST_D3COLDSUP)]     = "D3cold",
 521                [ilog2(AC_PWRST_S3D3COLDSUP)]   = "S3D3cold",
 522                [ilog2(AC_PWRST_CLKSTOP)]       = "CLKSTOP",
 523                [ilog2(AC_PWRST_EPSS)]          = "EPSS",
 524        };
 525
 526        int sup = param_read(codec, nid, AC_PAR_POWER_STATE);
 527        int pwr = snd_hda_codec_read(codec, nid, 0,
 528                                     AC_VERB_GET_POWER_STATE, 0);
 529        if (sup != -1) {
 530                int i;
 531
 532                snd_iprintf(buffer, "  Power states: ");
 533                for (i = 0; i < ARRAY_SIZE(names); i++) {
 534                        if (sup & (1U << i))
 535                                snd_iprintf(buffer, " %s", names[i]);
 536                }
 537                snd_iprintf(buffer, "\n");
 538        }
 539
 540        snd_iprintf(buffer, "  Power: setting=%s, actual=%s",
 541                    get_pwr_state(pwr & AC_PWRST_SETTING),
 542                    get_pwr_state((pwr & AC_PWRST_ACTUAL) >>
 543                                  AC_PWRST_ACTUAL_SHIFT));
 544        if (pwr & AC_PWRST_ERROR)
 545                snd_iprintf(buffer, ", Error");
 546        if (pwr & AC_PWRST_CLK_STOP_OK)
 547                snd_iprintf(buffer, ", Clock-stop-OK");
 548        if (pwr & AC_PWRST_SETTING_RESET)
 549                snd_iprintf(buffer, ", Setting-reset");
 550        snd_iprintf(buffer, "\n");
 551}
 552
 553static void print_unsol_cap(struct snd_info_buffer *buffer,
 554                              struct hda_codec *codec, hda_nid_t nid)
 555{
 556        int unsol = snd_hda_codec_read(codec, nid, 0,
 557                                       AC_VERB_GET_UNSOLICITED_RESPONSE, 0);
 558        snd_iprintf(buffer,
 559                    "  Unsolicited: tag=%02x, enabled=%d\n",
 560                    unsol & AC_UNSOL_TAG,
 561                    (unsol & AC_UNSOL_ENABLED) ? 1 : 0);
 562}
 563
 564static inline bool can_dump_coef(struct hda_codec *codec)
 565{
 566        switch (dump_coef) {
 567        case 0: return false;
 568        case 1: return true;
 569        default: return codec->dump_coef;
 570        }
 571}
 572
 573static void print_proc_caps(struct snd_info_buffer *buffer,
 574                            struct hda_codec *codec, hda_nid_t nid)
 575{
 576        unsigned int i, ncoeff, oldindex;
 577        unsigned int proc_caps = param_read(codec, nid, AC_PAR_PROC_CAP);
 578        ncoeff = (proc_caps & AC_PCAP_NUM_COEF) >> AC_PCAP_NUM_COEF_SHIFT;
 579        snd_iprintf(buffer, "  Processing caps: benign=%d, ncoeff=%d\n",
 580                    proc_caps & AC_PCAP_BENIGN, ncoeff);
 581
 582        if (!can_dump_coef(codec))
 583                return;
 584
 585        /* Note: This is racy - another process could run in parallel and change
 586           the coef index too. */
 587        oldindex = snd_hda_codec_read(codec, nid, 0, AC_VERB_GET_COEF_INDEX, 0);
 588        for (i = 0; i < ncoeff; i++) {
 589                unsigned int val;
 590                snd_hda_codec_write(codec, nid, 0, AC_VERB_SET_COEF_INDEX, i);
 591                val = snd_hda_codec_read(codec, nid, 0, AC_VERB_GET_PROC_COEF,
 592                                         0);
 593                snd_iprintf(buffer, "    Coeff 0x%02x: 0x%04x\n", i, val);
 594        }
 595        snd_hda_codec_write(codec, nid, 0, AC_VERB_SET_COEF_INDEX, oldindex);
 596}
 597
 598static void print_conn_list(struct snd_info_buffer *buffer,
 599                            struct hda_codec *codec, hda_nid_t nid,
 600                            unsigned int wid_type, hda_nid_t *conn,
 601                            int conn_len)
 602{
 603        int c, curr = -1;
 604        const hda_nid_t *list;
 605        int cache_len;
 606
 607        if (conn_len > 1 &&
 608            wid_type != AC_WID_AUD_MIX &&
 609            wid_type != AC_WID_VOL_KNB &&
 610            wid_type != AC_WID_POWER)
 611                curr = snd_hda_codec_read(codec, nid, 0,
 612                                          AC_VERB_GET_CONNECT_SEL, 0);
 613        snd_iprintf(buffer, "  Connection: %d\n", conn_len);
 614        if (conn_len > 0) {
 615                snd_iprintf(buffer, "    ");
 616                for (c = 0; c < conn_len; c++) {
 617                        snd_iprintf(buffer, " 0x%02x", conn[c]);
 618                        if (c == curr)
 619                                snd_iprintf(buffer, "*");
 620                }
 621                snd_iprintf(buffer, "\n");
 622        }
 623
 624        /* Get Cache connections info */
 625        cache_len = snd_hda_get_conn_list(codec, nid, &list);
 626        if (cache_len >= 0 && (cache_len != conn_len ||
 627                              memcmp(list, conn, conn_len) != 0)) {
 628                snd_iprintf(buffer, "  In-driver Connection: %d\n", cache_len);
 629                if (cache_len > 0) {
 630                        snd_iprintf(buffer, "    ");
 631                        for (c = 0; c < cache_len; c++)
 632                                snd_iprintf(buffer, " 0x%02x", list[c]);
 633                        snd_iprintf(buffer, "\n");
 634                }
 635        }
 636}
 637
 638static void print_gpio(struct snd_info_buffer *buffer,
 639                       struct hda_codec *codec, hda_nid_t nid)
 640{
 641        unsigned int gpio =
 642                param_read(codec, codec->core.afg, AC_PAR_GPIO_CAP);
 643        unsigned int enable, direction, wake, unsol, sticky, data;
 644        int i, max;
 645        snd_iprintf(buffer, "GPIO: io=%d, o=%d, i=%d, "
 646                    "unsolicited=%d, wake=%d\n",
 647                    gpio & AC_GPIO_IO_COUNT,
 648                    (gpio & AC_GPIO_O_COUNT) >> AC_GPIO_O_COUNT_SHIFT,
 649                    (gpio & AC_GPIO_I_COUNT) >> AC_GPIO_I_COUNT_SHIFT,
 650                    (gpio & AC_GPIO_UNSOLICITED) ? 1 : 0,
 651                    (gpio & AC_GPIO_WAKE) ? 1 : 0);
 652        max = gpio & AC_GPIO_IO_COUNT;
 653        if (!max || max > 8)
 654                return;
 655        enable = snd_hda_codec_read(codec, nid, 0,
 656                                    AC_VERB_GET_GPIO_MASK, 0);
 657        direction = snd_hda_codec_read(codec, nid, 0,
 658                                       AC_VERB_GET_GPIO_DIRECTION, 0);
 659        wake = snd_hda_codec_read(codec, nid, 0,
 660                                  AC_VERB_GET_GPIO_WAKE_MASK, 0);
 661        unsol  = snd_hda_codec_read(codec, nid, 0,
 662                                    AC_VERB_GET_GPIO_UNSOLICITED_RSP_MASK, 0);
 663        sticky = snd_hda_codec_read(codec, nid, 0,
 664                                    AC_VERB_GET_GPIO_STICKY_MASK, 0);
 665        data = snd_hda_codec_read(codec, nid, 0,
 666                                  AC_VERB_GET_GPIO_DATA, 0);
 667        for (i = 0; i < max; ++i)
 668                snd_iprintf(buffer,
 669                            "  IO[%d]: enable=%d, dir=%d, wake=%d, "
 670                            "sticky=%d, data=%d, unsol=%d\n", i,
 671                            (enable & (1<<i)) ? 1 : 0,
 672                            (direction & (1<<i)) ? 1 : 0,
 673                            (wake & (1<<i)) ? 1 : 0,
 674                            (sticky & (1<<i)) ? 1 : 0,
 675                            (data & (1<<i)) ? 1 : 0,
 676                            (unsol & (1<<i)) ? 1 : 0);
 677        /* FIXME: add GPO and GPI pin information */
 678        print_nid_array(buffer, codec, nid, &codec->mixers);
 679        print_nid_array(buffer, codec, nid, &codec->nids);
 680}
 681
 682static void print_device_list(struct snd_info_buffer *buffer,
 683                            struct hda_codec *codec, hda_nid_t nid)
 684{
 685        int i, curr = -1;
 686        u8 dev_list[AC_MAX_DEV_LIST_LEN];
 687        int devlist_len;
 688
 689        devlist_len = snd_hda_get_devices(codec, nid, dev_list,
 690                                        AC_MAX_DEV_LIST_LEN);
 691        snd_iprintf(buffer, "  Devices: %d\n", devlist_len);
 692        if (devlist_len <= 0)
 693                return;
 694
 695        curr = snd_hda_codec_read(codec, nid, 0,
 696                                AC_VERB_GET_DEVICE_SEL, 0);
 697
 698        for (i = 0; i < devlist_len; i++) {
 699                if (i == curr)
 700                        snd_iprintf(buffer, "    *");
 701                else
 702                        snd_iprintf(buffer, "     ");
 703
 704                snd_iprintf(buffer,
 705                        "Dev %02d: PD = %d, ELDV = %d, IA = %d\n", i,
 706                        !!(dev_list[i] & AC_DE_PD),
 707                        !!(dev_list[i] & AC_DE_ELDV),
 708                        !!(dev_list[i] & AC_DE_IA));
 709        }
 710}
 711
 712static void print_codec_core_info(struct hdac_device *codec,
 713                                  struct snd_info_buffer *buffer)
 714{
 715        snd_iprintf(buffer, "Codec: ");
 716        if (codec->vendor_name && codec->chip_name)
 717                snd_iprintf(buffer, "%s %s\n",
 718                            codec->vendor_name, codec->chip_name);
 719        else
 720                snd_iprintf(buffer, "Not Set\n");
 721        snd_iprintf(buffer, "Address: %d\n", codec->addr);
 722        if (codec->afg)
 723                snd_iprintf(buffer, "AFG Function Id: 0x%x (unsol %u)\n",
 724                        codec->afg_function_id, codec->afg_unsol);
 725        if (codec->mfg)
 726                snd_iprintf(buffer, "MFG Function Id: 0x%x (unsol %u)\n",
 727                        codec->mfg_function_id, codec->mfg_unsol);
 728        snd_iprintf(buffer, "Vendor Id: 0x%08x\n", codec->vendor_id);
 729        snd_iprintf(buffer, "Subsystem Id: 0x%08x\n", codec->subsystem_id);
 730        snd_iprintf(buffer, "Revision Id: 0x%x\n", codec->revision_id);
 731
 732        if (codec->mfg)
 733                snd_iprintf(buffer, "Modem Function Group: 0x%x\n", codec->mfg);
 734        else
 735                snd_iprintf(buffer, "No Modem Function Group found\n");
 736}
 737
 738static void print_codec_info(struct snd_info_entry *entry,
 739                             struct snd_info_buffer *buffer)
 740{
 741        struct hda_codec *codec = entry->private_data;
 742        hda_nid_t nid, fg;
 743        int i, nodes;
 744
 745        print_codec_core_info(&codec->core, buffer);
 746        fg = codec->core.afg;
 747        if (!fg)
 748                return;
 749        snd_hda_power_up(codec);
 750        snd_iprintf(buffer, "Default PCM:\n");
 751        print_pcm_caps(buffer, codec, fg);
 752        snd_iprintf(buffer, "Default Amp-In caps: ");
 753        print_amp_caps(buffer, codec, fg, HDA_INPUT);
 754        snd_iprintf(buffer, "Default Amp-Out caps: ");
 755        print_amp_caps(buffer, codec, fg, HDA_OUTPUT);
 756        snd_iprintf(buffer, "State of AFG node 0x%02x:\n", fg);
 757        print_power_state(buffer, codec, fg);
 758
 759        nodes = snd_hda_get_sub_nodes(codec, fg, &nid);
 760        if (! nid || nodes < 0) {
 761                snd_iprintf(buffer, "Invalid AFG subtree\n");
 762                snd_hda_power_down(codec);
 763                return;
 764        }
 765
 766        print_gpio(buffer, codec, fg);
 767        if (codec->proc_widget_hook)
 768                codec->proc_widget_hook(buffer, codec, fg);
 769
 770        for (i = 0; i < nodes; i++, nid++) {
 771                unsigned int wid_caps =
 772                        param_read(codec, nid, AC_PAR_AUDIO_WIDGET_CAP);
 773                unsigned int wid_type = get_wcaps_type(wid_caps);
 774                hda_nid_t *conn = NULL;
 775                int conn_len = 0;
 776
 777                snd_iprintf(buffer, "Node 0x%02x [%s] wcaps 0x%x:", nid,
 778                            get_wid_type_name(wid_type), wid_caps);
 779                if (wid_caps & AC_WCAP_STEREO) {
 780                        unsigned int chans = get_wcaps_channels(wid_caps);
 781                        if (chans == 2)
 782                                snd_iprintf(buffer, " Stereo");
 783                        else
 784                                snd_iprintf(buffer, " %d-Channels", chans);
 785                } else
 786                        snd_iprintf(buffer, " Mono");
 787                if (wid_caps & AC_WCAP_DIGITAL)
 788                        snd_iprintf(buffer, " Digital");
 789                if (wid_caps & AC_WCAP_IN_AMP)
 790                        snd_iprintf(buffer, " Amp-In");
 791                if (wid_caps & AC_WCAP_OUT_AMP)
 792                        snd_iprintf(buffer, " Amp-Out");
 793                if (wid_caps & AC_WCAP_STRIPE)
 794                        snd_iprintf(buffer, " Stripe");
 795                if (wid_caps & AC_WCAP_LR_SWAP)
 796                        snd_iprintf(buffer, " R/L");
 797                if (wid_caps & AC_WCAP_CP_CAPS)
 798                        snd_iprintf(buffer, " CP");
 799                snd_iprintf(buffer, "\n");
 800
 801                print_nid_array(buffer, codec, nid, &codec->mixers);
 802                print_nid_array(buffer, codec, nid, &codec->nids);
 803                print_nid_pcms(buffer, codec, nid);
 804
 805                /* volume knob is a special widget that always have connection
 806                 * list
 807                 */
 808                if (wid_type == AC_WID_VOL_KNB)
 809                        wid_caps |= AC_WCAP_CONN_LIST;
 810
 811                if (wid_caps & AC_WCAP_CONN_LIST) {
 812                        conn_len = snd_hda_get_num_raw_conns(codec, nid);
 813                        if (conn_len > 0) {
 814                                conn = kmalloc_array(conn_len,
 815                                                     sizeof(hda_nid_t),
 816                                                     GFP_KERNEL);
 817                                if (!conn)
 818                                        return;
 819                                if (snd_hda_get_raw_connections(codec, nid, conn,
 820                                                                conn_len) < 0)
 821                                        conn_len = 0;
 822                        }
 823                }
 824
 825                if (wid_caps & AC_WCAP_IN_AMP) {
 826                        snd_iprintf(buffer, "  Amp-In caps: ");
 827                        print_amp_caps(buffer, codec, nid, HDA_INPUT);
 828                        snd_iprintf(buffer, "  Amp-In vals: ");
 829                        if (wid_type == AC_WID_PIN ||
 830                            (codec->single_adc_amp &&
 831                             wid_type == AC_WID_AUD_IN))
 832                                print_amp_vals(buffer, codec, nid, HDA_INPUT,
 833                                               wid_caps, 1);
 834                        else
 835                                print_amp_vals(buffer, codec, nid, HDA_INPUT,
 836                                               wid_caps, conn_len);
 837                }
 838                if (wid_caps & AC_WCAP_OUT_AMP) {
 839                        snd_iprintf(buffer, "  Amp-Out caps: ");
 840                        print_amp_caps(buffer, codec, nid, HDA_OUTPUT);
 841                        snd_iprintf(buffer, "  Amp-Out vals: ");
 842                        if (wid_type == AC_WID_PIN &&
 843                            codec->pin_amp_workaround)
 844                                print_amp_vals(buffer, codec, nid, HDA_OUTPUT,
 845                                               wid_caps, conn_len);
 846                        else
 847                                print_amp_vals(buffer, codec, nid, HDA_OUTPUT,
 848                                               wid_caps, 1);
 849                }
 850
 851                switch (wid_type) {
 852                case AC_WID_PIN: {
 853                        int supports_vref;
 854                        print_pin_caps(buffer, codec, nid, &supports_vref);
 855                        print_pin_ctls(buffer, codec, nid, supports_vref);
 856                        break;
 857                }
 858                case AC_WID_VOL_KNB:
 859                        print_vol_knob(buffer, codec, nid);
 860                        break;
 861                case AC_WID_AUD_OUT:
 862                case AC_WID_AUD_IN:
 863                        print_audio_io(buffer, codec, nid, wid_type);
 864                        if (wid_caps & AC_WCAP_DIGITAL)
 865                                print_digital_conv(buffer, codec, nid);
 866                        if (wid_caps & AC_WCAP_FORMAT_OVRD) {
 867                                snd_iprintf(buffer, "  PCM:\n");
 868                                print_pcm_caps(buffer, codec, nid);
 869                        }
 870                        break;
 871                }
 872
 873                if (wid_caps & AC_WCAP_UNSOL_CAP)
 874                        print_unsol_cap(buffer, codec, nid);
 875
 876                if (wid_caps & AC_WCAP_POWER)
 877                        print_power_state(buffer, codec, nid);
 878
 879                if (wid_caps & AC_WCAP_DELAY)
 880                        snd_iprintf(buffer, "  Delay: %d samples\n",
 881                                    (wid_caps & AC_WCAP_DELAY) >>
 882                                    AC_WCAP_DELAY_SHIFT);
 883
 884                if (wid_type == AC_WID_PIN && codec->dp_mst)
 885                        print_device_list(buffer, codec, nid);
 886
 887                if (wid_caps & AC_WCAP_CONN_LIST)
 888                        print_conn_list(buffer, codec, nid, wid_type,
 889                                        conn, conn_len);
 890
 891                if (wid_caps & AC_WCAP_PROC_WID)
 892                        print_proc_caps(buffer, codec, nid);
 893
 894                if (codec->proc_widget_hook)
 895                        codec->proc_widget_hook(buffer, codec, nid);
 896
 897                kfree(conn);
 898        }
 899        snd_hda_power_down(codec);
 900}
 901
 902/*
 903 * create a proc read
 904 */
 905int snd_hda_codec_proc_new(struct hda_codec *codec)
 906{
 907        char name[32];
 908
 909        snprintf(name, sizeof(name), "codec#%d", codec->core.addr);
 910        return snd_card_ro_proc_new(codec->card, name, codec, print_codec_info);
 911}
 912
 913