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 <sound/driver.h>
  25 #include <linux/init.h>
  26 #include <sound/core.h>
  27 #include "hda_codec.h"
  28 #include "hda_local.h"
  29
  30 static const char *get_wid_type_name(unsigned int wid_value)
  31 {
  32         static char *names[16] = {
  33                 [AC_WID_AUD_OUT] = "Audio Output",
  34                 [AC_WID_AUD_IN] = "Audio Input",
  35                 [AC_WID_AUD_MIX] = "Audio Mixer",
  36                 [AC_WID_AUD_SEL] = "Audio Selector",
  37                 [AC_WID_PIN] = "Pin Complex",
  38                 [AC_WID_POWER] = "Power Widget",
  39                 [AC_WID_VOL_KNB] = "Volume Knob Widget",
  40                 [AC_WID_BEEP] = "Beep Generator Widget",
  41                 [AC_WID_VENDOR] = "Vendor Defined Widget",
  42         };
  43         wid_value &= 0xf;
  44         if (names[wid_value])
  45                 return names[wid_value];
  46         else
  47                 return "UNKNOWN Widget";
  48 }
  49
  50 static void print_amp_caps(struct snd_info_buffer *buffer,
  51                            struct hda_codec *codec, hda_nid_t nid, int dir)
  52 {
  53         unsigned int caps;
  54         caps = snd_hda_param_read(codec, nid,
  55                                   dir == HDA_OUTPUT ?
  56                                     AC_PAR_AMP_OUT_CAP : AC_PAR_AMP_IN_CAP);
  57         if (caps == -1 || caps == 0) {
  58                 snd_iprintf(buffer, "N/A\n");
  59                 return;
  60         }
  61         snd_iprintf(buffer, "ofs=0x%02x, nsteps=0x%02x, stepsize=0x%02x, "
  62                     "mute=%x\n",
  63                     caps & AC_AMPCAP_OFFSET,
  64                     (caps & AC_AMPCAP_NUM_STEPS) >> AC_AMPCAP_NUM_STEPS_SHIFT,
  65                     (caps & AC_AMPCAP_STEP_SIZE) >> AC_AMPCAP_STEP_SIZE_SHIFT,
  66                     (caps & AC_AMPCAP_MUTE) >> AC_AMPCAP_MUTE_SHIFT);
  67 }
  68
  69 static void print_amp_vals(struct snd_info_buffer *buffer,
  70                            struct hda_codec *codec, hda_nid_t nid,
  71                            int dir, int stereo, int indices)
  72 {
  73         unsigned int val;
  74         int i;
  75
  76         dir = dir == HDA_OUTPUT ? AC_AMP_GET_OUTPUT : AC_AMP_GET_INPUT;
  77         for (i = 0; i < indices; i++) {
  78                 snd_iprintf(buffer, " [");
  79                 if (stereo) {
  80                         val = snd_hda_codec_read(codec, nid, 0,
  81                                                  AC_VERB_GET_AMP_GAIN_MUTE,
  82                                                  AC_AMP_GET_LEFT | dir | i);
  83                         snd_iprintf(buffer, "0x%02x ", val);
  84                 }
  85                 val = snd_hda_codec_read(codec, nid, 0,
  86                                          AC_VERB_GET_AMP_GAIN_MUTE,
  87                                          AC_AMP_GET_RIGHT | dir | i);
  88                 snd_iprintf(buffer, "0x%02x]", val);
  89         }
  90         snd_iprintf(buffer, "\n");
  91 }
  92
  93 static void print_pcm_rates(struct snd_info_buffer *buffer, unsigned int pcm)
  94 {
  95         static unsigned int rates[] = {
  96                 8000, 11025, 16000, 22050, 32000, 44100, 48000, 88200,
  97                 96000, 176400, 192000, 384000
  98         };
  99         int i;
 100
 101         pcm &= AC_SUPPCM_RATES;
 102         snd_iprintf(buffer, "    rates [0x%x]:", pcm);
 103         for (i = 0; i < ARRAY_SIZE(rates); i++)
 104                 if (pcm & (1 << i))
 105                         snd_iprintf(buffer, " %d", rates[i]);
 106         snd_iprintf(buffer, "\n");
 107 }
 108
 109 static void print_pcm_bits(struct snd_info_buffer *buffer, unsigned int pcm)
 110 {
 111         static unsigned int bits[] = { 8, 16, 20, 24, 32 };
 112         int i;
 113
 114         pcm = (pcm >> 16) & 0xff;
 115         snd_iprintf(buffer, "    bits [0x%x]:", pcm);
 116         for (i = 0; i < ARRAY_SIZE(bits); i++)
 117                 if (pcm & (1 << i))
 118                         snd_iprintf(buffer, " %d", bits[i]);
 119         snd_iprintf(buffer, "\n");
 120 }
 121
 122 static void print_pcm_formats(struct snd_info_buffer *buffer,
 123                               unsigned int streams)
 124 {
 125         snd_iprintf(buffer, "    formats [0x%x]:", streams & 0xf);
 126         if (streams & AC_SUPFMT_PCM)
 127                 snd_iprintf(buffer, " PCM");
 128         if (streams & AC_SUPFMT_FLOAT32)
 129                 snd_iprintf(buffer, " FLOAT");
 130         if (streams & AC_SUPFMT_AC3)
 131                 snd_iprintf(buffer, " AC3");
 132         snd_iprintf(buffer, "\n");
 133 }
 134
 135 static void print_pcm_caps(struct snd_info_buffer *buffer,
 136                            struct hda_codec *codec, hda_nid_t nid)
 137 {
 138         unsigned int pcm = snd_hda_param_read(codec, nid, AC_PAR_PCM);
 139         unsigned int stream = snd_hda_param_read(codec, nid, AC_PAR_STREAM);
 140         if (pcm == -1 || stream == -1) {
 141                 snd_iprintf(buffer, "N/A\n");
 142                 return;
 143         }
 144         print_pcm_rates(buffer, pcm);
 145         print_pcm_bits(buffer, pcm);
 146         print_pcm_formats(buffer, stream);
 147 }
 148
 149 static const char *get_jack_location(u32 cfg)
 150 {
 151         static char *bases[7] = {
 152                 "N/A", "Rear", "Front", "Left", "Right", "Top", "Bottom",
 153         };
 154         static unsigned char specials_idx[] = {
 155                 0x07, 0x08,
 156                 0x17, 0x18, 0x19,
 157                 0x37, 0x38
 158         };
 159         static char *specials[] = {
 160                 "Rear Panel", "Drive Bar",
 161                 "Riser", "HDMI", "ATAPI",
 162                 "Mobile-In", "Mobile-Out"
 163         };
 164         int i;
 165         cfg = (cfg & AC_DEFCFG_LOCATION) >> AC_DEFCFG_LOCATION_SHIFT;
 166         if ((cfg & 0x0f) < 7)
 167                 return bases[cfg & 0x0f];
 168         for (i = 0; i < ARRAY_SIZE(specials_idx); i++) {
 169                 if (cfg == specials_idx[i])
 170                         return specials[i];
 171         }
 172         return "UNKNOWN";
 173 }
 174
 175 static const char *get_jack_connection(u32 cfg)
 176 {
 177         static char *names[16] = {
 178                 "Unknown", "1/8", "1/4", "ATAPI",
 179                 "RCA", "Optical","Digital", "Analog",
 180                 "DIN", "XLR", "RJ11", "Comb",
 181                 NULL, NULL, NULL, "Other"
 182         };
 183         cfg = (cfg & AC_DEFCFG_CONN_TYPE) >> AC_DEFCFG_CONN_TYPE_SHIFT;
 184         if (names[cfg])
 185                 return names[cfg];
 186         else
 187                 return "UNKNOWN";
 188 }
 189
 190 static const char *get_jack_color(u32 cfg)
 191 {
 192         static char *names[16] = {
 193                 "Unknown", "Black", "Grey", "Blue",
 194                 "Green", "Red", "Orange", "Yellow",
 195                 "Purple", "Pink", NULL, NULL,
 196                 NULL, NULL, "White", "Other",
 197         };
 198         cfg = (cfg & AC_DEFCFG_COLOR) >> AC_DEFCFG_COLOR_SHIFT;
 199         if (names[cfg])
 200                 return names[cfg];
 201         else
 202                 return "UNKNOWN";
 203 }
 204
 205 static void print_pin_caps(struct snd_info_buffer *buffer,
 206                            struct hda_codec *codec, hda_nid_t nid)
 207 {
 208         static char *jack_conns[4] = { "Jack", "N/A", "Fixed", "Both" };
 209         static char *jack_types[16] = {
 210                 "Line Out", "Speaker", "HP Out", "CD",
 211                 "SPDIF Out", "Digital Out", "Modem Line", "Modem Hand",
 212                 "Line In", "Aux", "Mic", "Telephony",
 213                 "SPDIF In", "Digitial In", "Reserved", "Other"
 214         };
 215         static char *jack_locations[4] = { "Ext", "Int", "Sep", "Oth" };
 216         unsigned int caps, val;
 217
 218         caps = snd_hda_param_read(codec, nid, AC_PAR_PIN_CAP);
 219         snd_iprintf(buffer, "  Pincap 0x08%x:", caps);
 220         if (caps & AC_PINCAP_IN)
 221                 snd_iprintf(buffer, " IN");
 222         if (caps & AC_PINCAP_OUT)
 223                 snd_iprintf(buffer, " OUT");
 224         if (caps & AC_PINCAP_HP_DRV)
 225                 snd_iprintf(buffer, " HP");
 226         if (caps & AC_PINCAP_EAPD)
 227                 snd_iprintf(buffer, " EAPD");
 228         if (caps & AC_PINCAP_PRES_DETECT)
 229                 snd_iprintf(buffer, " Detect");
 230         snd_iprintf(buffer, "\n");
 231         caps = snd_hda_codec_read(codec, nid, 0, AC_VERB_GET_CONFIG_DEFAULT, 0);
 232         snd_iprintf(buffer, "  Pin Default 0x%08x: [%s] %s at %s %s\n", caps,
 233                     jack_conns[(caps & AC_DEFCFG_PORT_CONN) >> AC_DEFCFG_PORT_CONN_SHIFT],
 234                     jack_types[(caps & AC_DEFCFG_DEVICE) >> AC_DEFCFG_DEVICE_SHIFT],
 235                     jack_locations[(caps >> (AC_DEFCFG_LOCATION_SHIFT + 4)) & 3],
 236                     get_jack_location(caps));
 237         snd_iprintf(buffer, "    Conn = %s, Color = %s\n",
 238                     get_jack_connection(caps),
 239                     get_jack_color(caps));
 240         if (caps & AC_PINCAP_EAPD) {
 241                 val = snd_hda_codec_read(codec, nid, 0,
 242                                          AC_VERB_GET_EAPD_BTLENABLE, 0);
 243                 snd_iprintf(buffer, "  EAPD: 0x%x\n", val);
 244         }
 245 }
 246
 247
 248 static void print_codec_info(struct snd_info_entry *entry,
 249                              struct snd_info_buffer *buffer)
 250 {
 251         struct hda_codec *codec = entry->private_data;
 252         char buf[32];
 253         hda_nid_t nid;
 254         int i, nodes;
 255
 256         snd_hda_get_codec_name(codec, buf, sizeof(buf));
 257         snd_iprintf(buffer, "Codec: %s\n", buf);
 258         snd_iprintf(buffer, "Address: %d\n", codec->addr);
 259         snd_iprintf(buffer, "Vendor Id: 0x%x\n", codec->vendor_id);
 260         snd_iprintf(buffer, "Subsystem Id: 0x%x\n", codec->subsystem_id);
 261         snd_iprintf(buffer, "Revision Id: 0x%x\n", codec->revision_id);
 262
 263         if (codec->mfg)
 264                 snd_iprintf(buffer, "Modem Function Group: 0x%x\n", codec->mfg);
 265         else
 266                 snd_iprintf(buffer, "No Modem Function Group found\n");
 267
 268         if (! codec->afg)
 269                 return;
 270         snd_hda_power_up(codec);
 271         snd_iprintf(buffer, "Default PCM:\n");
 272         print_pcm_caps(buffer, codec, codec->afg);
 273         snd_iprintf(buffer, "Default Amp-In caps: ");
 274         print_amp_caps(buffer, codec, codec->afg, HDA_INPUT);
 275         snd_iprintf(buffer, "Default Amp-Out caps: ");
 276         print_amp_caps(buffer, codec, codec->afg, HDA_OUTPUT);
 277
 278         nodes = snd_hda_get_sub_nodes(codec, codec->afg, &nid);
 279         if (! nid || nodes < 0) {
 280                 snd_iprintf(buffer, "Invalid AFG subtree\n");
 281                 snd_hda_power_down(codec);
 282                 return;
 283         }
 284         for (i = 0; i < nodes; i++, nid++) {
 285                 unsigned int wid_caps =
 286                         snd_hda_param_read(codec, nid,
 287                                            AC_PAR_AUDIO_WIDGET_CAP);
 288                 unsigned int wid_type =
 289                         (wid_caps & AC_WCAP_TYPE) >> AC_WCAP_TYPE_SHIFT;
 290                 int conn_len = 0;
 291                 hda_nid_t conn[HDA_MAX_CONNECTIONS];
 292                 unsigned int pinctls;
 293
 294                 snd_iprintf(buffer, "Node 0x%02x [%s] wcaps 0x%x:", nid,
 295                             get_wid_type_name(wid_type), wid_caps);
 296                 if (wid_caps & AC_WCAP_STEREO)
 297                         snd_iprintf(buffer, " Stereo");
 298                 else
 299                         snd_iprintf(buffer, " Mono");
 300                 if (wid_caps & AC_WCAP_DIGITAL)
 301                         snd_iprintf(buffer, " Digital");
 302                 if (wid_caps & AC_WCAP_IN_AMP)
 303                         snd_iprintf(buffer, " Amp-In");
 304                 if (wid_caps & AC_WCAP_OUT_AMP)
 305                         snd_iprintf(buffer, " Amp-Out");
 306                 snd_iprintf(buffer, "\n");
 307
 308                 if (wid_caps & AC_WCAP_CONN_LIST)
 309                         conn_len = snd_hda_get_connections(codec, nid, conn,
 310                                                            HDA_MAX_CONNECTIONS);
 311
 312                 if (wid_caps & AC_WCAP_IN_AMP) {
 313                         snd_iprintf(buffer, "  Amp-In caps: ");
 314                         print_amp_caps(buffer, codec, nid, HDA_INPUT);
 315                         snd_iprintf(buffer, "  Amp-In vals: ");
 316                         print_amp_vals(buffer, codec, nid, HDA_INPUT,
 317                                        wid_caps & AC_WCAP_STEREO, conn_len);
 318                 }
 319                 if (wid_caps & AC_WCAP_OUT_AMP) {
 320                         snd_iprintf(buffer, "  Amp-Out caps: ");
 321                         print_amp_caps(buffer, codec, nid, HDA_OUTPUT);
 322                         snd_iprintf(buffer, "  Amp-Out vals: ");
 323                         print_amp_vals(buffer, codec, nid, HDA_OUTPUT,
 324                                        wid_caps & AC_WCAP_STEREO, 1);
 325                 }
 326
 327                 switch (wid_type) {
 328                 case AC_WID_PIN:
 329                         print_pin_caps(buffer, codec, nid);
 330                         pinctls = snd_hda_codec_read(codec, nid, 0,
 331                                              AC_VERB_GET_PIN_WIDGET_CONTROL,
 332                                                      0);
 333                         snd_iprintf(buffer, "  Pin-ctls: 0x%02x:", pinctls);
 334                         if (pinctls & AC_PINCTL_IN_EN)
 335                                 snd_iprintf(buffer, " IN");
 336                         if (pinctls & AC_PINCTL_OUT_EN)
 337                                 snd_iprintf(buffer, " OUT");
 338                         if (pinctls & AC_PINCTL_HP_EN)
 339                                 snd_iprintf(buffer, " HP");
 340                         snd_iprintf(buffer, "\n");
 341                         break;
 342                 case AC_WID_VOL_KNB:
 343                         snd_iprintf(buffer, "  Volume-Knob: 0x%x\n",
 344                                     snd_hda_codec_read(codec, nid, 0,
 345                                         AC_VERB_GET_VOLUME_KNOB_CONTROL, 0));
 346                         break;
 347                 case AC_WID_AUD_OUT:
 348                 case AC_WID_AUD_IN:
 349                         if (wid_caps & AC_WCAP_FORMAT_OVRD) {
 350                                 snd_iprintf(buffer, "  PCM:\n");
 351                                 print_pcm_caps(buffer, codec, nid);
 352                         }
 353                         break;
 354                 }
 355
 356                 if (wid_caps & AC_WCAP_POWER)
 357                         snd_iprintf(buffer, "  Power: 0x%x\n",
 358                                     snd_hda_codec_read(codec, nid, 0,
 359                                                        AC_VERB_GET_POWER_STATE,
 360                                                        0));
 361
 362                 if (wid_caps & AC_WCAP_CONN_LIST) {
 363                         int c, curr = -1;
 364                         if (conn_len > 1 && wid_type != AC_WID_AUD_MIX)
 365                                 curr = snd_hda_codec_read(codec, nid, 0,
 366                                         AC_VERB_GET_CONNECT_SEL, 0);
 367                         snd_iprintf(buffer, "  Connection: %d\n", conn_len);
 368                         snd_iprintf(buffer, "    ");
 369                         for (c = 0; c < conn_len; c++) {
 370                                 snd_iprintf(buffer, " 0x%02x", conn[c]);
 371                                 if (c == curr)
 372                                         snd_iprintf(buffer, "*");
 373                         }
 374                         snd_iprintf(buffer, "\n");
 375                 }
 376         }
 377         snd_hda_power_down(codec);
 378 }
 379
 380 /*
 381  * create a proc read
 382  */
 383 int snd_hda_codec_proc_new(struct hda_codec *codec)
 384 {
 385         char name[32];
 386         struct snd_info_entry *entry;
 387         int err;
 388
 389         snprintf(name, sizeof(name), "codec#%d", codec->addr);
 390         err = snd_card_proc_new(codec->bus->card, name, &entry);
 391         if (err < 0)
 392                 return err;
 393
 394         snd_info_set_text_ops(entry, codec, print_codec_info);
 395         return 0;
 396 }
 397