git.oblomov.eu Git - linux-2.6/blob - sound/pci/hda/hda_proc.c

   1 /*
   2  * Universal Interface for Intel High Definition Audio Codec
   3  *
   4  * Generic proc interface
   5  *
   6  * Copyright (c) 2004 Takashi Iwai <tiwai@suse.de>
   7  *
   8  *
   9  *  This driver is free software; you can redistribute it and/or modify
  10  *  it under the terms of the GNU General Public License as published by
  11  *  the Free Software Foundation; either version 2 of the License, or
  12  *  (at your option) any later version.
  13  *
  14  *  This driver is distributed in the hope that it will be useful,
  15  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  16  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17  *  GNU General Public License for more details.
  18  *
  19  *  You should have received a copy of the GNU General Public License
  20  *  along with this program; if not, write to the Free Software
  21  *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
  22  */
  23
  24 #include <sound/driver.h>
  25 #include <linux/init.h>
  26 #include <linux/pci.h>
  27 #include <sound/core.h>
  28 #include "hda_codec.h"
  29 #include "hda_local.h"
  30
  31 static const char *get_wid_type_name(unsigned int wid_value)
  32 {
  33         static char *names[16] = {
  34                 [AC_WID_AUD_OUT] = "Audio Output",
  35                 [AC_WID_AUD_IN] = "Audio Input",
  36                 [AC_WID_AUD_MIX] = "Audio Mixer",
  37                 [AC_WID_AUD_SEL] = "Audio Selector",
  38                 [AC_WID_PIN] = "Pin Complex",
  39                 [AC_WID_POWER] = "Power Widget",
  40                 [AC_WID_VOL_KNB] = "Volume Knob Widget",
  41                 [AC_WID_BEEP] = "Beep Generator Widget",
  42                 [AC_WID_VENDOR] = "Vendor Defined Widget",
  43         };
  44         wid_value &= 0xf;
  45         if (names[wid_value])
  46                 return names[wid_value];
  47         else
  48                 return "UNKNOWN Widget";
  49 }
  50
  51 static void print_amp_caps(struct snd_info_buffer *buffer,
  52                            struct hda_codec *codec, hda_nid_t nid, int dir)
  53 {
  54         unsigned int caps;
  55         caps = snd_hda_param_read(codec, nid,
  56                                   dir == HDA_OUTPUT ?
  57                                     AC_PAR_AMP_OUT_CAP : AC_PAR_AMP_IN_CAP);
  58         if (caps == -1 || caps == 0) {
  59                 snd_iprintf(buffer, "N/A\n");
  60                 return;
  61         }
  62         snd_iprintf(buffer, "ofs=0x%02x, nsteps=0x%02x, stepsize=0x%02x, 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, 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, AC_VERB_GET_AMP_GAIN_MUTE,
  85                                          AC_AMP_GET_RIGHT | dir | i);
  86                 snd_iprintf(buffer, "0x%02x]", val);
  87         }
  88         snd_iprintf(buffer, "\n");
  89 }
  90
  91 static void print_pcm_rates(struct snd_info_buffer *buffer, unsigned int pcm)
  92 {
  93         static unsigned int rates[] = {
  94                 8000, 11025, 16000, 22050, 32000, 44100, 48000, 88200,
  95                 96000, 176400, 192000, 384000
  96         };
  97         int i;
  98
  99         pcm &= AC_SUPPCM_RATES;
 100         snd_iprintf(buffer, "    rates [0x%x]:", pcm);
 101         for (i = 0; i < ARRAY_SIZE(rates); i++)
 102                 if (pcm & (1 << i))
 103                         snd_iprintf(buffer, " %d", rates[i]);
 104         snd_iprintf(buffer, "\n");
 105 }
 106
 107 static void print_pcm_bits(struct snd_info_buffer *buffer, unsigned int pcm)
 108 {
 109         static unsigned int bits[] = { 8, 16, 20, 24, 32 };
 110         int i;
 111
 112         pcm = (pcm >> 16) & 0xff;
 113         snd_iprintf(buffer, "    bits [0x%x]:", pcm);
 114         for (i = 0; i < ARRAY_SIZE(bits); i++)
 115                 if (pcm & (1 << i))
 116                         snd_iprintf(buffer, " %d", bits[i]);
 117         snd_iprintf(buffer, "\n");
 118 }
 119
 120 static void print_pcm_formats(struct snd_info_buffer *buffer,
 121                               unsigned int streams)
 122 {
 123         snd_iprintf(buffer, "    formats [0x%x]:", streams & 0xf);
 124         if (streams & AC_SUPFMT_PCM)
 125                 snd_iprintf(buffer, " PCM");
 126         if (streams & AC_SUPFMT_FLOAT32)
 127                 snd_iprintf(buffer, " FLOAT");
 128         if (streams & AC_SUPFMT_AC3)
 129                 snd_iprintf(buffer, " AC3");
 130         snd_iprintf(buffer, "\n");
 131 }
 132
 133 static void print_pcm_caps(struct snd_info_buffer *buffer,
 134                            struct hda_codec *codec, hda_nid_t nid)
 135 {
 136         unsigned int pcm = snd_hda_param_read(codec, nid, AC_PAR_PCM);
 137         unsigned int stream = snd_hda_param_read(codec, nid, AC_PAR_STREAM);
 138         if (pcm == -1 || stream == -1) {
 139                 snd_iprintf(buffer, "N/A\n");
 140                 return;
 141         }
 142         print_pcm_rates(buffer, pcm);
 143         print_pcm_bits(buffer, pcm);
 144         print_pcm_formats(buffer, stream);
 145 }
 146
 147 static const char *get_jack_location(u32 cfg)
 148 {
 149         static char *bases[7] = {
 150                 "N/A", "Rear", "Front", "Left", "Right", "Top", "Bottom",
 151         };
 152         static unsigned char specials_idx[] = {
 153                 0x07, 0x08,
 154                 0x17, 0x18, 0x19,
 155                 0x37, 0x38
 156         };
 157         static char *specials[] = {
 158                 "Rear Panel", "Drive Bar",
 159                 "Riser", "HDMI", "ATAPI",
 160                 "Mobile-In", "Mobile-Out"
 161         };
 162         int i;
 163         cfg = (cfg & AC_DEFCFG_LOCATION) >> AC_DEFCFG_LOCATION_SHIFT;
 164         if ((cfg & 0x0f) < 7)
 165                 return bases[cfg & 0x0f];
 166         for (i = 0; i < ARRAY_SIZE(specials_idx); i++) {
 167                 if (cfg == specials_idx[i])
 168                         return specials[i];
 169         }
 170         return "UNKNOWN";
 171 }
 172
 173 static const char *get_jack_connection(u32 cfg)
 174 {
 175         static char *names[16] = {
 176                 "Unknown", "1/8", "1/4", "ATAPI",
 177                 "RCA", "Optical","Digital", "Analog",
 178                 "DIN", "XLR", "RJ11", "Comb",
 179                 NULL, NULL, NULL, "Other"
 180         };
 181         cfg = (cfg & AC_DEFCFG_CONN_TYPE) >> AC_DEFCFG_CONN_TYPE_SHIFT;
 182         if (names[cfg])
 183                 return names[cfg];
 184         else
 185                 return "UNKNOWN";
 186 }
 187
 188 static const char *get_jack_color(u32 cfg)
 189 {
 190         static char *names[16] = {
 191                 "Unknown", "Black", "Grey", "Blue",
 192                 "Green", "Red", "Orange", "Yellow",
 193                 "Purple", "Pink", NULL, NULL,
 194                 NULL, NULL, "White", "Other",
 195         };
 196         cfg = (cfg & AC_DEFCFG_COLOR) >> AC_DEFCFG_COLOR_SHIFT;
 197         if (names[cfg])
 198                 return names[cfg];
 199         else
 200                 return "UNKNOWN";
 201 }
 202
 203 static void print_pin_caps(struct snd_info_buffer *buffer,
 204                            struct hda_codec *codec, hda_nid_t nid)
 205 {
 206         static char *jack_conns[4] = { "Jack", "N/A", "Fixed", "Both" };
 207         static char *jack_types[16] = {
 208                 "Line Out", "Speaker", "HP Out", "CD",
 209                 "SPDIF Out", "Digital Out", "Modem Line", "Modem Hand",
 210                 "Line In", "Aux", "Mic", "Telephony",
 211                 "SPDIF In", "Digitial In", "Reserved", "Other"
 212         };
 213         static char *jack_locations[4] = { "Ext", "Int", "Sep", "Oth" };
 214         unsigned int caps;
 215
 216         caps = snd_hda_param_read(codec, nid, AC_PAR_PIN_CAP);
 217         snd_iprintf(buffer, "  Pincap 0x08%x:", caps);
 218         if (caps & AC_PINCAP_IN)
 219                 snd_iprintf(buffer, " IN");
 220         if (caps & AC_PINCAP_OUT)
 221                 snd_iprintf(buffer, " OUT");
 222         if (caps & AC_PINCAP_HP_DRV)
 223                 snd_iprintf(buffer, " HP");
 224         if (caps & AC_PINCAP_EAPD)
 225                 snd_iprintf(buffer, " EAPD");
 226         if (caps & AC_PINCAP_PRES_DETECT)
 227                 snd_iprintf(buffer, " Detect");
 228         snd_iprintf(buffer, "\n");
 229         caps = snd_hda_codec_read(codec, nid, 0, AC_VERB_GET_CONFIG_DEFAULT, 0);
 230         snd_iprintf(buffer, "  Pin Default 0x%08x: [%s] %s at %s %s\n", caps,
 231                     jack_conns[(caps & AC_DEFCFG_PORT_CONN) >> AC_DEFCFG_PORT_CONN_SHIFT],
 232                     jack_types[(caps & AC_DEFCFG_DEVICE) >> AC_DEFCFG_DEVICE_SHIFT],
 233                     jack_locations[(caps >> (AC_DEFCFG_LOCATION_SHIFT + 4)) & 3],
 234                     get_jack_location(caps));
 235         snd_iprintf(buffer, "    Conn = %s, Color = %s\n",
 236                     get_jack_connection(caps),
 237                     get_jack_color(caps));
 238 }
 239
 240
 241 static void print_codec_info(struct snd_info_entry *entry, struct snd_info_buffer *buffer)
 242 {
 243         struct hda_codec *codec = entry->private_data;
 244         char buf[32];
 245         hda_nid_t nid;
 246         int i, nodes;
 247
 248         snd_hda_get_codec_name(codec, buf, sizeof(buf));
 249         snd_iprintf(buffer, "Codec: %s\n", buf);
 250         snd_iprintf(buffer, "Address: %d\n", codec->addr);
 251         snd_iprintf(buffer, "Vendor Id: 0x%x\n", codec->vendor_id);
 252         snd_iprintf(buffer, "Subsystem Id: 0x%x\n", codec->subsystem_id);
 253         snd_iprintf(buffer, "Revision Id: 0x%x\n", codec->revision_id);
 254         if (! codec->afg)
 255                 return;
 256         snd_iprintf(buffer, "Default PCM:\n");
 257         print_pcm_caps(buffer, codec, codec->afg);
 258         snd_iprintf(buffer, "Default Amp-In caps: ");
 259         print_amp_caps(buffer, codec, codec->afg, HDA_INPUT);
 260         snd_iprintf(buffer, "Default Amp-Out caps: ");
 261         print_amp_caps(buffer, codec, codec->afg, HDA_OUTPUT);
 262
 263         nodes = snd_hda_get_sub_nodes(codec, codec->afg, &nid);
 264         if (! nid || nodes < 0) {
 265                 snd_iprintf(buffer, "Invalid AFG subtree\n");
 266                 return;
 267         }
 268         for (i = 0; i < nodes; i++, nid++) {
 269                 unsigned int wid_caps = snd_hda_param_read(codec, nid,
 270                                                            AC_PAR_AUDIO_WIDGET_CAP);
 271                 unsigned int wid_type = (wid_caps & AC_WCAP_TYPE) >> AC_WCAP_TYPE_SHIFT;
 272                 int conn_len = 0;
 273                 hda_nid_t conn[HDA_MAX_CONNECTIONS];
 274
 275                 snd_iprintf(buffer, "Node 0x%02x [%s] wcaps 0x%x:", nid,
 276                             get_wid_type_name(wid_type), wid_caps);
 277                 if (wid_caps & AC_WCAP_STEREO)
 278                         snd_iprintf(buffer, " Stereo");
 279                 else
 280                         snd_iprintf(buffer, " Mono");
 281                 if (wid_caps & AC_WCAP_DIGITAL)
 282                         snd_iprintf(buffer, " Digital");
 283                 if (wid_caps & AC_WCAP_IN_AMP)
 284                         snd_iprintf(buffer, " Amp-In");
 285                 if (wid_caps & AC_WCAP_OUT_AMP)
 286                         snd_iprintf(buffer, " Amp-Out");
 287                 snd_iprintf(buffer, "\n");
 288
 289                 if (wid_caps & AC_WCAP_CONN_LIST)
 290                         conn_len = snd_hda_get_connections(codec, nid, conn,
 291                                                            HDA_MAX_CONNECTIONS);
 292
 293                 if (wid_caps & AC_WCAP_IN_AMP) {
 294                         snd_iprintf(buffer, "  Amp-In caps: ");
 295                         print_amp_caps(buffer, codec, nid, HDA_INPUT);
 296                         snd_iprintf(buffer, "  Amp-In vals: ");
 297                         print_amp_vals(buffer, codec, nid, HDA_INPUT,
 298                                        wid_caps & AC_WCAP_STEREO, conn_len);
 299                 }
 300                 if (wid_caps & AC_WCAP_OUT_AMP) {
 301                         snd_iprintf(buffer, "  Amp-Out caps: ");
 302                         print_amp_caps(buffer, codec, nid, HDA_OUTPUT);
 303                         snd_iprintf(buffer, "  Amp-Out vals: ");
 304                         print_amp_vals(buffer, codec, nid, HDA_OUTPUT,
 305                                        wid_caps & AC_WCAP_STEREO, 1);
 306                 }
 307
 308                 if (wid_type == AC_WID_PIN) {
 309                         unsigned int pinctls;
 310                         print_pin_caps(buffer, codec, nid);
 311                         pinctls = snd_hda_codec_read(codec, nid, 0, AC_VERB_GET_PIN_WIDGET_CONTROL, 0);
 312                         snd_iprintf(buffer, "  Pin-ctls: 0x%02x:", pinctls);
 313                         if (pinctls & AC_PINCTL_IN_EN)
 314                                 snd_iprintf(buffer, " IN");
 315                         if (pinctls & AC_PINCTL_OUT_EN)
 316                                 snd_iprintf(buffer, " OUT");
 317                         if (pinctls & AC_PINCTL_HP_EN)
 318                                 snd_iprintf(buffer, " HP");
 319                         snd_iprintf(buffer, "\n");
 320                 }
 321
 322                 if ((wid_type == AC_WID_AUD_OUT || wid_type == AC_WID_AUD_IN) &&
 323                     (wid_caps & AC_WCAP_FORMAT_OVRD)) {
 324                         snd_iprintf(buffer, "  PCM:\n");
 325                         print_pcm_caps(buffer, codec, nid);
 326                 }
 327
 328                 if (wid_caps & AC_WCAP_POWER)
 329                         snd_iprintf(buffer, "  Power: 0x%x\n",
 330                                     snd_hda_codec_read(codec, nid, 0,
 331                                                        AC_VERB_GET_POWER_STATE, 0));
 332
 333                 if (wid_caps & AC_WCAP_CONN_LIST) {
 334                         int c, curr = -1;
 335                         if (conn_len > 1 && wid_type != AC_WID_AUD_MIX)
 336                                 curr = snd_hda_codec_read(codec, nid, 0,
 337                                         AC_VERB_GET_CONNECT_SEL, 0);
 338                         snd_iprintf(buffer, "  Connection: %d\n", conn_len);
 339                         snd_iprintf(buffer, "    ");
 340                         for (c = 0; c < conn_len; c++) {
 341                                 snd_iprintf(buffer, " 0x%02x", conn[c]);
 342                                 if (c == curr)
 343                                         snd_iprintf(buffer, "*");
 344                         }
 345                         snd_iprintf(buffer, "\n");
 346                 }
 347         }
 348 }
 349
 350 /*
 351  * create a proc read
 352  */
 353 int snd_hda_codec_proc_new(struct hda_codec *codec)
 354 {
 355         char name[32];
 356         struct snd_info_entry *entry;
 357         int err;
 358
 359         snprintf(name, sizeof(name), "codec#%d", codec->addr);
 360         err = snd_card_proc_new(codec->bus->card, name, &entry);
 361         if (err < 0)
 362                 return err;
 363
 364         snd_info_set_text_ops(entry, codec, print_codec_info);
 365         return 0;
 366 }
 367