release/src-rt-6.x/linux/linux-2.6/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, 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, AC_VERB_GET_AMP_GAIN_MUTE,
  80                                                  AC_AMP_GET_LEFT | dir | i);
  81                         snd_iprintf(buffer, "0x%02x ", val);
  82                 }
  83                 val = snd_hda_codec_read(codec, nid, 0, AC_VERB_GET_AMP_GAIN_MUTE,
  84                                          AC_AMP_GET_RIGHT | dir | i);
  85                 snd_iprintf(buffer, "0x%02x]", val);
  86         }
  87         snd_iprintf(buffer, "\n");
  88 }
  89
  90 static void print_pcm_rates(struct snd_info_buffer *buffer, unsigned int pcm)
  91 {
  92         static unsigned int rates[] = {
  93                 8000, 11025, 16000, 22050, 32000, 44100, 48000, 88200,
  94                 96000, 176400, 192000, 384000
  95         };
  96         int i;
  97
  98         pcm &= AC_SUPPCM_RATES;
  99         snd_iprintf(buffer, "    rates [0x%x]:", pcm);
 100         for (i = 0; i < ARRAY_SIZE(rates); i++)
 101                 if (pcm & (1 << i))
 102                         snd_iprintf(buffer, " %d", rates[i]);
 103         snd_iprintf(buffer, "\n");
 104 }
 105
 106 static void print_pcm_bits(struct snd_info_buffer *buffer, unsigned int pcm)
 107 {
 108         static unsigned int bits[] = { 8, 16, 20, 24, 32 };
 109         int i;
 110
 111         pcm = (pcm >> 16) & 0xff;
 112         snd_iprintf(buffer, "    bits [0x%x]:", pcm);
 113         for (i = 0; i < ARRAY_SIZE(bits); i++)
 114                 if (pcm & (1 << i))
 115                         snd_iprintf(buffer, " %d", bits[i]);
 116         snd_iprintf(buffer, "\n");
 117 }
 118
 119 static void print_pcm_formats(struct snd_info_buffer *buffer,
 120                               unsigned int streams)
 121 {
 122         snd_iprintf(buffer, "    formats [0x%x]:", streams & 0xf);
 123         if (streams & AC_SUPFMT_PCM)
 124                 snd_iprintf(buffer, " PCM");
 125         if (streams & AC_SUPFMT_FLOAT32)
 126                 snd_iprintf(buffer, " FLOAT");
 127         if (streams & AC_SUPFMT_AC3)
 128                 snd_iprintf(buffer, " AC3");
 129         snd_iprintf(buffer, "\n");
 130 }
 131
 132 static void print_pcm_caps(struct snd_info_buffer *buffer,
 133                            struct hda_codec *codec, hda_nid_t nid)
 134 {
 135         unsigned int pcm = snd_hda_param_read(codec, nid, AC_PAR_PCM);
 136         unsigned int stream = snd_hda_param_read(codec, nid, AC_PAR_STREAM);
 137         if (pcm == -1 || stream == -1) {
 138                 snd_iprintf(buffer, "N/A\n");
 139                 return;
 140         }
 141         print_pcm_rates(buffer, pcm);
 142         print_pcm_bits(buffer, pcm);
 143         print_pcm_formats(buffer, stream);
 144 }
 145
 146 static const char *get_jack_location(u32 cfg)
 147 {
 148         static char *bases[7] = {
 149                 "N/A", "Rear", "Front", "Left", "Right", "Top", "Bottom",
 150         };
 151         static unsigned char specials_idx[] = {
 152                 0x07, 0x08,
 153                 0x17, 0x18, 0x19,
 154                 0x37, 0x38
 155         };
 156         static char *specials[] = {
 157                 "Rear Panel", "Drive Bar",
 158                 "Riser", "HDMI", "ATAPI",
 159                 "Mobile-In", "Mobile-Out"
 160         };
 161         int i;
 162         cfg = (cfg & AC_DEFCFG_LOCATION) >> AC_DEFCFG_LOCATION_SHIFT;
 163         if ((cfg & 0x0f) < 7)
 164                 return bases[cfg & 0x0f];
 165         for (i = 0; i < ARRAY_SIZE(specials_idx); i++) {
 166                 if (cfg == specials_idx[i])
 167                         return specials[i];
 168         }
 169         return "UNKNOWN";
 170 }
 171
 172 static const char *get_jack_connection(u32 cfg)
 173 {
 174         static char *names[16] = {
 175                 "Unknown", "1/8", "1/4", "ATAPI",
 176                 "RCA", "Optical","Digital", "Analog",
 177                 "DIN", "XLR", "RJ11", "Comb",
 178                 NULL, NULL, NULL, "Other"
 179         };
 180         cfg = (cfg & AC_DEFCFG_CONN_TYPE) >> AC_DEFCFG_CONN_TYPE_SHIFT;
 181         if (names[cfg])
 182                 return names[cfg];
 183         else
 184                 return "UNKNOWN";
 185 }
 186
 187 static const char *get_jack_color(u32 cfg)
 188 {
 189         static char *names[16] = {
 190                 "Unknown", "Black", "Grey", "Blue",
 191                 "Green", "Red", "Orange", "Yellow",
 192                 "Purple", "Pink", NULL, NULL,
 193                 NULL, NULL, "White", "Other",
 194         };
 195         cfg = (cfg & AC_DEFCFG_COLOR) >> AC_DEFCFG_COLOR_SHIFT;
 196         if (names[cfg])
 197                 return names[cfg];
 198         else
 199                 return "UNKNOWN";
 200 }
 201
 202 static void print_pin_caps(struct snd_info_buffer *buffer,
 203                            struct hda_codec *codec, hda_nid_t nid)
 204 {
 205         static char *jack_conns[4] = { "Jack", "N/A", "Fixed", "Both" };
 206         static char *jack_types[16] = {
 207                 "Line Out", "Speaker", "HP Out", "CD",
 208                 "SPDIF Out", "Digital Out", "Modem Line", "Modem Hand",
 209                 "Line In", "Aux", "Mic", "Telephony",
 210                 "SPDIF In", "Digitial In", "Reserved", "Other"
 211         };
 212         static char *jack_locations[4] = { "Ext", "Int", "Sep", "Oth" };
 213         unsigned int caps;
 214
 215         caps = snd_hda_param_read(codec, nid, AC_PAR_PIN_CAP);
 216         snd_iprintf(buffer, "  Pincap 0x08%x:", caps);
 217         if (caps & AC_PINCAP_IN)
 218                 snd_iprintf(buffer, " IN");
 219         if (caps & AC_PINCAP_OUT)
 220                 snd_iprintf(buffer, " OUT");
 221         if (caps & AC_PINCAP_HP_DRV)
 222                 snd_iprintf(buffer, " HP");
 223         if (caps & AC_PINCAP_EAPD)
 224                 snd_iprintf(buffer, " EAPD");
 225         if (caps & AC_PINCAP_PRES_DETECT)
 226                 snd_iprintf(buffer, " Detect");
 227         snd_iprintf(buffer, "\n");
 228         caps = snd_hda_codec_read(codec, nid, 0, AC_VERB_GET_CONFIG_DEFAULT, 0);
 229         snd_iprintf(buffer, "  Pin Default 0x%08x: [%s] %s at %s %s\n", caps,
 230                     jack_conns[(caps & AC_DEFCFG_PORT_CONN) >> AC_DEFCFG_PORT_CONN_SHIFT],
 231                     jack_types[(caps & AC_DEFCFG_DEVICE) >> AC_DEFCFG_DEVICE_SHIFT],
 232                     jack_locations[(caps >> (AC_DEFCFG_LOCATION_SHIFT + 4)) & 3],
 233                     get_jack_location(caps));
 234         snd_iprintf(buffer, "    Conn = %s, Color = %s\n",
 235                     get_jack_connection(caps),
 236                     get_jack_color(caps));
 237 }
 238
 239
 240 static void print_codec_info(struct snd_info_entry *entry, struct snd_info_buffer *buffer)
 241 {
 242         struct hda_codec *codec = entry->private_data;
 243         char buf[32];
 244         hda_nid_t nid;
 245         int i, nodes;
 246
 247         snd_hda_get_codec_name(codec, buf, sizeof(buf));
 248         snd_iprintf(buffer, "Codec: %s\n", buf);
 249         snd_iprintf(buffer, "Address: %d\n", codec->addr);
 250         snd_iprintf(buffer, "Vendor Id: 0x%x\n", codec->vendor_id);
 251         snd_iprintf(buffer, "Subsystem Id: 0x%x\n", codec->subsystem_id);
 252         snd_iprintf(buffer, "Revision Id: 0x%x\n", codec->revision_id);
 253         if (! codec->afg)
 254                 return;
 255         snd_iprintf(buffer, "Default PCM:\n");
 256         print_pcm_caps(buffer, codec, codec->afg);
 257         snd_iprintf(buffer, "Default Amp-In caps: ");
 258         print_amp_caps(buffer, codec, codec->afg, HDA_INPUT);
 259         snd_iprintf(buffer, "Default Amp-Out caps: ");
 260         print_amp_caps(buffer, codec, codec->afg, HDA_OUTPUT);
 261
 262         nodes = snd_hda_get_sub_nodes(codec, codec->afg, &nid);
 263         if (! nid || nodes < 0) {
 264                 snd_iprintf(buffer, "Invalid AFG subtree\n");
 265                 return;
 266         }
 267         for (i = 0; i < nodes; i++, nid++) {
 268                 unsigned int wid_caps = snd_hda_param_read(codec, nid,
 269                                                            AC_PAR_AUDIO_WIDGET_CAP);
 270                 unsigned int wid_type = (wid_caps & AC_WCAP_TYPE) >> AC_WCAP_TYPE_SHIFT;
 271                 int conn_len = 0;
 272                 hda_nid_t conn[HDA_MAX_CONNECTIONS];
 273
 274                 snd_iprintf(buffer, "Node 0x%02x [%s] wcaps 0x%x:", nid,
 275                             get_wid_type_name(wid_type), wid_caps);
 276                 if (wid_caps & AC_WCAP_STEREO)
 277                         snd_iprintf(buffer, " Stereo");
 278                 else
 279                         snd_iprintf(buffer, " Mono");
 280                 if (wid_caps & AC_WCAP_DIGITAL)
 281                         snd_iprintf(buffer, " Digital");
 282                 if (wid_caps & AC_WCAP_IN_AMP)
 283                         snd_iprintf(buffer, " Amp-In");
 284                 if (wid_caps & AC_WCAP_OUT_AMP)
 285                         snd_iprintf(buffer, " Amp-Out");
 286                 snd_iprintf(buffer, "\n");
 287
 288                 if (wid_caps & AC_WCAP_CONN_LIST)
 289                         conn_len = snd_hda_get_connections(codec, nid, conn,
 290                                                            HDA_MAX_CONNECTIONS);
 291
 292                 if (wid_caps & AC_WCAP_IN_AMP) {
 293                         snd_iprintf(buffer, "  Amp-In caps: ");
 294                         print_amp_caps(buffer, codec, nid, HDA_INPUT);
 295                         snd_iprintf(buffer, "  Amp-In vals: ");
 296                         print_amp_vals(buffer, codec, nid, HDA_INPUT,
 297                                        wid_caps & AC_WCAP_STEREO, conn_len);
 298                 }
 299                 if (wid_caps & AC_WCAP_OUT_AMP) {
 300                         snd_iprintf(buffer, "  Amp-Out caps: ");
 301                         print_amp_caps(buffer, codec, nid, HDA_OUTPUT);
 302                         snd_iprintf(buffer, "  Amp-Out vals: ");
 303                         print_amp_vals(buffer, codec, nid, HDA_OUTPUT,
 304                                        wid_caps & AC_WCAP_STEREO, 1);
 305                 }
 306
 307                 if (wid_type == AC_WID_PIN) {
 308                         unsigned int pinctls;
 309                         print_pin_caps(buffer, codec, nid);
 310                         pinctls = snd_hda_codec_read(codec, nid, 0, AC_VERB_GET_PIN_WIDGET_CONTROL, 0);
 311                         snd_iprintf(buffer, "  Pin-ctls: 0x%02x:", pinctls);
 312                         if (pinctls & AC_PINCTL_IN_EN)
 313                                 snd_iprintf(buffer, " IN");
 314                         if (pinctls & AC_PINCTL_OUT_EN)
 315                                 snd_iprintf(buffer, " OUT");
 316                         if (pinctls & AC_PINCTL_HP_EN)
 317                                 snd_iprintf(buffer, " HP");
 318                         snd_iprintf(buffer, "\n");
 319                 }
 320
 321                 if ((wid_type == AC_WID_AUD_OUT || wid_type == AC_WID_AUD_IN) &&
 322                     (wid_caps & AC_WCAP_FORMAT_OVRD)) {
 323                         snd_iprintf(buffer, "  PCM:\n");
 324                         print_pcm_caps(buffer, codec, nid);
 325                 }
 326
 327                 if (wid_caps & AC_WCAP_POWER)
 328                         snd_iprintf(buffer, "  Power: 0x%x\n",
 329                                     snd_hda_codec_read(codec, nid, 0,
 330                                                        AC_VERB_GET_POWER_STATE, 0));
 331
 332                 if (wid_caps & AC_WCAP_CONN_LIST) {
 333                         int c, curr = -1;
 334                         if (conn_len > 1 && wid_type != AC_WID_AUD_MIX)
 335                                 curr = snd_hda_codec_read(codec, nid, 0,
 336                                         AC_VERB_GET_CONNECT_SEL, 0);
 337                         snd_iprintf(buffer, "  Connection: %d\n", conn_len);
 338                         snd_iprintf(buffer, "    ");
 339                         for (c = 0; c < conn_len; c++) {
 340                                 snd_iprintf(buffer, " 0x%02x", conn[c]);
 341                                 if (c == curr)
 342                                         snd_iprintf(buffer, "*");
 343                         }
 344                         snd_iprintf(buffer, "\n");
 345                 }
 346         }
 347 }
 348
 349 /*
 350  * create a proc read
 351  */
 352 int snd_hda_codec_proc_new(struct hda_codec *codec)
 353 {
 354         char name[32];
 355         struct snd_info_entry *entry;
 356         int err;
 357
 358         snprintf(name, sizeof(name), "codec#%d", codec->addr);
 359         err = snd_card_proc_new(codec->bus->card, name, &entry);
 360         if (err < 0)
 361                 return err;
 362
 363         snd_info_set_text_ops(entry, codec, print_codec_info);
 364         return 0;
 365 }
 366