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 {
 207         static char *jack_conns[4] = { "Jack", "N/A", "Fixed", "Both" };
 208         static char *jack_types[16] = {
 209                 "Line Out", "Speaker", "HP Out", "CD",
 210                 "SPDIF Out", "Digital Out", "Modem Line", "Modem Hand",
 211                 "Line In", "Aux", "Mic", "Telephony",
 212                 "SPDIF In", "Digitial In", "Reserved", "Other"
 213         };
 214         static char *jack_locations[4] = { "Ext", "Int", "Sep", "Oth" };
 215         unsigned int caps, val;
 216
 217         caps = snd_hda_param_read(codec, nid, AC_PAR_PIN_CAP);
 218         snd_iprintf(buffer, "  Pincap 0x08%x:", caps);
 219         if (caps & AC_PINCAP_IN)
 220                 snd_iprintf(buffer, " IN");
 221         if (caps & AC_PINCAP_OUT)
 222                 snd_iprintf(buffer, " OUT");
 223         if (caps & AC_PINCAP_HP_DRV)
 224                 snd_iprintf(buffer, " HP");
 225         if (caps & AC_PINCAP_EAPD)
 226                 snd_iprintf(buffer, " EAPD");
 227         if (caps & AC_PINCAP_PRES_DETECT)
 228                 snd_iprintf(buffer, " Detect");
 229         snd_iprintf(buffer, "\n");
 230         caps = snd_hda_codec_read(codec, nid, 0, AC_VERB_GET_CONFIG_DEFAULT, 0);
 231         snd_iprintf(buffer, "  Pin Default 0x%08x: [%s] %s at %s %s\n", caps,
 232                     jack_conns[(caps & AC_DEFCFG_PORT_CONN) >> AC_DEFCFG_PORT_CONN_SHIFT],
 233                     jack_types[(caps & AC_DEFCFG_DEVICE) >> AC_DEFCFG_DEVICE_SHIFT],
 234                     jack_locations[(caps >> (AC_DEFCFG_LOCATION_SHIFT + 4)) & 3],
 235                     get_jack_location(caps));
 236         snd_iprintf(buffer, "    Conn = %s, Color = %s\n",
 237                     get_jack_connection(caps),
 238                     get_jack_color(caps));
 239         if (caps & AC_PINCAP_EAPD) {
 240                 val = snd_hda_codec_read(codec, nid, 0,
 241                                          AC_VERB_GET_EAPD_BTLENABLE, 0);
 242                 snd_iprintf(buffer, "  EAPD: 0x%x\n", val);
 243         }
 244 }
 245
 246
 247 static void print_codec_info(struct snd_info_entry *entry,
 248                              struct snd_info_buffer *buffer)
 249 {
 250         struct hda_codec *codec = entry->private_data;
 251         char buf[32];
 252         hda_nid_t nid;
 253         int i, nodes;
 254
 255         snd_hda_get_codec_name(codec, buf, sizeof(buf));
 256         snd_iprintf(buffer, "Codec: %s\n", buf);
 257         snd_iprintf(buffer, "Address: %d\n", codec->addr);
 258         snd_iprintf(buffer, "Vendor Id: 0x%x\n", codec->vendor_id);
 259         snd_iprintf(buffer, "Subsystem Id: 0x%x\n", codec->subsystem_id);
 260         snd_iprintf(buffer, "Revision Id: 0x%x\n", codec->revision_id);
 261
 262         if (codec->mfg)
 263                 snd_iprintf(buffer, "Modem Function Group: 0x%x\n", codec->mfg);
 264         else
 265                 snd_iprintf(buffer, "No Modem Function Group found\n");
 266
 267         if (! codec->afg)
 268                 return;
 269         snd_hda_power_up(codec);
 270         snd_iprintf(buffer, "Default PCM:\n");
 271         print_pcm_caps(buffer, codec, codec->afg);
 272         snd_iprintf(buffer, "Default Amp-In caps: ");
 273         print_amp_caps(buffer, codec, codec->afg, HDA_INPUT);
 274         snd_iprintf(buffer, "Default Amp-Out caps: ");
 275         print_amp_caps(buffer, codec, codec->afg, HDA_OUTPUT);
 276
 277         nodes = snd_hda_get_sub_nodes(codec, codec->afg, &nid);
 278         if (! nid || nodes < 0) {
 279                 snd_iprintf(buffer, "Invalid AFG subtree\n");
 280                 snd_hda_power_down(codec);
 281                 return;
 282         }
 283         for (i = 0; i < nodes; i++, nid++) {
 284                 unsigned int wid_caps =
 285                         snd_hda_param_read(codec, nid,
 286                                            AC_PAR_AUDIO_WIDGET_CAP);
 287                 unsigned int wid_type =
 288                         (wid_caps & AC_WCAP_TYPE) >> AC_WCAP_TYPE_SHIFT;
 289                 int conn_len = 0;
 290                 hda_nid_t conn[HDA_MAX_CONNECTIONS];
 291                 unsigned int pinctls;
 292
 293                 snd_iprintf(buffer, "Node 0x%02x [%s] wcaps 0x%x:", nid,
 294                             get_wid_type_name(wid_type), wid_caps);
 295                 if (wid_caps & AC_WCAP_STEREO)
 296                         snd_iprintf(buffer, " Stereo");
 297                 else
 298                         snd_iprintf(buffer, " Mono");
 299                 if (wid_caps & AC_WCAP_DIGITAL)
 300                         snd_iprintf(buffer, " Digital");
 301                 if (wid_caps & AC_WCAP_IN_AMP)
 302                         snd_iprintf(buffer, " Amp-In");
 303                 if (wid_caps & AC_WCAP_OUT_AMP)
 304                         snd_iprintf(buffer, " Amp-Out");
 305                 snd_iprintf(buffer, "\n");
 306
 307                 /* volume knob is a special widget that always have connection
 308                  * list
 309                  */
 310                 if (wid_type == AC_WID_VOL_KNB)
 311                         wid_caps |= AC_WCAP_CONN_LIST;
 312
 313                 if (wid_caps & AC_WCAP_CONN_LIST)
 314                         conn_len = snd_hda_get_connections(codec, nid, conn,
 315                                                            HDA_MAX_CONNECTIONS);
 316
 317                 if (wid_caps & AC_WCAP_IN_AMP) {
 318                         snd_iprintf(buffer, "  Amp-In caps: ");
 319                         print_amp_caps(buffer, codec, nid, HDA_INPUT);
 320                         snd_iprintf(buffer, "  Amp-In vals: ");
 321                         print_amp_vals(buffer, codec, nid, HDA_INPUT,
 322                                        wid_caps & AC_WCAP_STEREO, conn_len);
 323                 }
 324                 if (wid_caps & AC_WCAP_OUT_AMP) {
 325                         snd_iprintf(buffer, "  Amp-Out caps: ");
 326                         print_amp_caps(buffer, codec, nid, HDA_OUTPUT);
 327                         snd_iprintf(buffer, "  Amp-Out vals: ");
 328                         print_amp_vals(buffer, codec, nid, HDA_OUTPUT,
 329                                        wid_caps & AC_WCAP_STEREO, 1);
 330                 }
 331
 332                 switch (wid_type) {
 333                 case AC_WID_PIN:
 334                         print_pin_caps(buffer, codec, nid);
 335                         pinctls = snd_hda_codec_read(codec, nid, 0,
 336                                              AC_VERB_GET_PIN_WIDGET_CONTROL,
 337                                                      0);
 338                         snd_iprintf(buffer, "  Pin-ctls: 0x%02x:", pinctls);
 339                         if (pinctls & AC_PINCTL_IN_EN)
 340                                 snd_iprintf(buffer, " IN");
 341                         if (pinctls & AC_PINCTL_OUT_EN)
 342                                 snd_iprintf(buffer, " OUT");
 343                         if (pinctls & AC_PINCTL_HP_EN)
 344                                 snd_iprintf(buffer, " HP");
 345                         snd_iprintf(buffer, "\n");
 346                         break;
 347                 case AC_WID_VOL_KNB:
 348                         pinctls = snd_hda_param_read(codec, nid,
 349                                                      AC_PAR_VOL_KNB_CAP);
 350                         snd_iprintf(buffer, "  Volume-Knob: delta=%d, "
 351                                     "steps=%d, ",
 352                                     (pinctls >> 7) & 1, pinctls & 0x7f);
 353                         pinctls = snd_hda_codec_read(codec, nid, 0,
 354                                         AC_VERB_GET_VOLUME_KNOB_CONTROL, 0);
 355                         snd_iprintf(buffer, "direct=%d, val=%d\n",
 356                                     (pinctls >> 7) & 1, pinctls & 0x7f);
 357                         break;
 358                 case AC_WID_AUD_OUT:
 359                 case AC_WID_AUD_IN:
 360                         if (wid_caps & AC_WCAP_FORMAT_OVRD) {
 361                                 snd_iprintf(buffer, "  PCM:\n");
 362                                 print_pcm_caps(buffer, codec, nid);
 363                         }
 364                         break;
 365                 }
 366
 367                 if (wid_caps & AC_WCAP_POWER)
 368                         snd_iprintf(buffer, "  Power: 0x%x\n",
 369                                     snd_hda_codec_read(codec, nid, 0,
 370                                                        AC_VERB_GET_POWER_STATE,
 371                                                        0));
 372
 373                 if (wid_caps & AC_WCAP_CONN_LIST) {
 374                         int c, curr = -1;
 375                         if (conn_len > 1 && wid_type != AC_WID_AUD_MIX)
 376                                 curr = snd_hda_codec_read(codec, nid, 0,
 377                                         AC_VERB_GET_CONNECT_SEL, 0);
 378                         snd_iprintf(buffer, "  Connection: %d\n", conn_len);
 379                         if (conn_len > 0) {
 380                                 snd_iprintf(buffer, "    ");
 381                                 for (c = 0; c < conn_len; c++) {
 382                                         snd_iprintf(buffer, " 0x%02x", conn[c]);
 383                                         if (c == curr)
 384                                                 snd_iprintf(buffer, "*");
 385                                 }
 386                                 snd_iprintf(buffer, "\n");
 387                         }
 388                 }
 389         }
 390         snd_hda_power_down(codec);
 391 }
 392
 393 /*
 394  * create a proc read
 395  */
 396 int snd_hda_codec_proc_new(struct hda_codec *codec)
 397 {
 398         char name[32];
 399         struct snd_info_entry *entry;
 400         int err;
 401
 402         snprintf(name, sizeof(name), "codec#%d", codec->addr);
 403         err = snd_card_proc_new(codec->bus->card, name, &entry);
 404         if (err < 0)
 405                 return err;
 406
 407         snd_info_set_text_ops(entry, codec, print_codec_info);
 408         return 0;
 409 }
 410