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 "UNKOWN 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_caps(struct snd_info_buffer *buffer,
  92                            struct hda_codec *codec, hda_nid_t nid)
  93 {
  94         unsigned int pcm = snd_hda_param_read(codec, nid, AC_PAR_PCM);
  95         unsigned int stream = snd_hda_param_read(codec, nid, AC_PAR_STREAM);
  96         if (pcm == -1 || stream == -1) {
  97                 snd_iprintf(buffer, "N/A\n");
  98                 return;
  99         }
 100         snd_iprintf(buffer, "rates 0x%03x, bits 0x%02x, types 0x%x\n",
 101                     pcm & AC_SUPPCM_RATES, (pcm >> 16) & 0xff, stream & 0xf);
 102 }
 103
 104 static const char *get_jack_location(u32 cfg)
 105 {
 106         static char *bases[7] = {
 107                 "N/A", "Rear", "Front", "Left", "Right", "Top", "Bottom",
 108         };
 109         static unsigned char specials_idx[] = {
 110                 0x07, 0x08,
 111                 0x17, 0x18, 0x19,
 112                 0x37, 0x38
 113         };
 114         static char *specials[] = {
 115                 "Rear Panel", "Drive Bar",
 116                 "Riser", "HDMI", "ATAPI",
 117                 "Mobile-In", "Mobile-Out"
 118         };
 119         int i;
 120         cfg = (cfg & AC_DEFCFG_LOCATION) >> AC_DEFCFG_LOCATION_SHIFT;
 121         if ((cfg & 0x0f) < 7)
 122                 return bases[cfg & 0x0f];
 123         for (i = 0; i < ARRAY_SIZE(specials_idx); i++) {
 124                 if (cfg == specials_idx[i])
 125                         return specials[i];
 126         }
 127         return "UNKNOWN";
 128 }
 129
 130 static const char *get_jack_connection(u32 cfg)
 131 {
 132         static char *names[16] = {
 133                 "Unknown", "1/8", "1/4", "ATAPI",
 134                 "RCA", "Optical","Digital", "Analog",
 135                 "DIN", "XLR", "RJ11", "Comb",
 136                 NULL, NULL, NULL, "Other"
 137         };
 138         cfg = (cfg & AC_DEFCFG_CONN_TYPE) >> AC_DEFCFG_CONN_TYPE_SHIFT;
 139         if (names[cfg])
 140                 return names[cfg];
 141         else
 142                 return "UNKNOWN";
 143 }
 144
 145 static const char *get_jack_color(u32 cfg)
 146 {
 147         static char *names[16] = {
 148                 "Unknown", "Black", "Grey", "Blue",
 149                 "Green", "Red", "Orange", "Yellow",
 150                 "Purple", "Pink", NULL, NULL,
 151                 NULL, NULL, "White", "Other",
 152         };
 153         cfg = (cfg & AC_DEFCFG_COLOR) >> AC_DEFCFG_COLOR_SHIFT;
 154         if (names[cfg])
 155                 return names[cfg];
 156         else
 157                 return "UNKNOWN";
 158 }
 159
 160 static void print_pin_caps(struct snd_info_buffer *buffer,
 161                            struct hda_codec *codec, hda_nid_t nid)
 162 {
 163         static char *jack_conns[4] = { "Jack", "N/A", "Fixed", "Both" };
 164         static char *jack_types[16] = {
 165                 "Line Out", "Speaker", "HP Out", "CD",
 166                 "SPDIF Out", "Digital Out", "Modem Line", "Modem Hand",
 167                 "Line In", "Aux", "Mic", "Telephony",
 168                 "SPDIF In", "Digitial In", "Reserved", "Other"
 169         };
 170         static char *jack_locations[4] = { "Ext", "Int", "Sep", "Oth" };
 171         unsigned int caps;
 172
 173         caps = snd_hda_param_read(codec, nid, AC_PAR_PIN_CAP);
 174         snd_iprintf(buffer, "  Pincap 0x08%x:", caps);
 175         if (caps & AC_PINCAP_IN)
 176                 snd_iprintf(buffer, " IN");
 177         if (caps & AC_PINCAP_OUT)
 178                 snd_iprintf(buffer, " OUT");
 179         if (caps & AC_PINCAP_HP_DRV)
 180                 snd_iprintf(buffer, " HP");
 181         if (caps & AC_PINCAP_EAPD)
 182                 snd_iprintf(buffer, " EAPD");
 183         if (caps & AC_PINCAP_PRES_DETECT)
 184                 snd_iprintf(buffer, " Detect");
 185         snd_iprintf(buffer, "\n");
 186         caps = snd_hda_codec_read(codec, nid, 0, AC_VERB_GET_CONFIG_DEFAULT, 0);
 187         snd_iprintf(buffer, "  Pin Default 0x%08x: [%s] %s at %s %s\n", caps,
 188                     jack_conns[(caps & AC_DEFCFG_PORT_CONN) >> AC_DEFCFG_PORT_CONN_SHIFT],
 189                     jack_types[(caps & AC_DEFCFG_DEVICE) >> AC_DEFCFG_DEVICE_SHIFT],
 190                     jack_locations[(caps >> (AC_DEFCFG_LOCATION_SHIFT + 4)) & 3],
 191                     get_jack_location(caps));
 192         snd_iprintf(buffer, "    Conn = %s, Color = %s\n",
 193                     get_jack_connection(caps),
 194                     get_jack_color(caps));
 195 }
 196
 197
 198 static void print_codec_info(struct snd_info_entry *entry, struct snd_info_buffer *buffer)
 199 {
 200         struct hda_codec *codec = entry->private_data;
 201         char buf[32];
 202         hda_nid_t nid;
 203         int i, nodes;
 204
 205         snd_hda_get_codec_name(codec, buf, sizeof(buf));
 206         snd_iprintf(buffer, "Codec: %s\n", buf);
 207         snd_iprintf(buffer, "Address: %d\n", codec->addr);
 208         snd_iprintf(buffer, "Vendor Id: 0x%x\n", codec->vendor_id);
 209         snd_iprintf(buffer, "Subsystem Id: 0x%x\n", codec->subsystem_id);
 210         snd_iprintf(buffer, "Revision Id: 0x%x\n", codec->revision_id);
 211         if (! codec->afg)
 212                 return;
 213         snd_iprintf(buffer, "Default PCM: ");
 214         print_pcm_caps(buffer, codec, codec->afg);
 215         snd_iprintf(buffer, "Default Amp-In caps: ");
 216         print_amp_caps(buffer, codec, codec->afg, HDA_INPUT);
 217         snd_iprintf(buffer, "Default Amp-Out caps: ");
 218         print_amp_caps(buffer, codec, codec->afg, HDA_OUTPUT);
 219
 220         nodes = snd_hda_get_sub_nodes(codec, codec->afg, &nid);
 221         if (! nid || nodes < 0) {
 222                 snd_iprintf(buffer, "Invalid AFG subtree\n");
 223                 return;
 224         }
 225         for (i = 0; i < nodes; i++, nid++) {
 226                 unsigned int wid_caps = snd_hda_param_read(codec, nid,
 227                                                            AC_PAR_AUDIO_WIDGET_CAP);
 228                 unsigned int wid_type = (wid_caps & AC_WCAP_TYPE) >> AC_WCAP_TYPE_SHIFT;
 229                 int conn_len = 0;
 230                 hda_nid_t conn[HDA_MAX_CONNECTIONS];
 231
 232                 snd_iprintf(buffer, "Node 0x%02x [%s] wcaps 0x%x:", nid,
 233                             get_wid_type_name(wid_type), wid_caps);
 234                 if (wid_caps & AC_WCAP_STEREO)
 235                         snd_iprintf(buffer, " Stereo");
 236                 else
 237                         snd_iprintf(buffer, " Mono");
 238                 if (wid_caps & AC_WCAP_DIGITAL)
 239                         snd_iprintf(buffer, " Digital");
 240                 if (wid_caps & AC_WCAP_IN_AMP)
 241                         snd_iprintf(buffer, " Amp-In");
 242                 if (wid_caps & AC_WCAP_OUT_AMP)
 243                         snd_iprintf(buffer, " Amp-Out");
 244                 snd_iprintf(buffer, "\n");
 245
 246                 if (wid_caps & AC_WCAP_CONN_LIST)
 247                         conn_len = snd_hda_get_connections(codec, nid, conn,
 248                                                            HDA_MAX_CONNECTIONS);
 249
 250                 if (wid_caps & AC_WCAP_IN_AMP) {
 251                         snd_iprintf(buffer, "  Amp-In caps: ");
 252                         print_amp_caps(buffer, codec, nid, HDA_INPUT);
 253                         snd_iprintf(buffer, "  Amp-In vals: ");
 254                         print_amp_vals(buffer, codec, nid, HDA_INPUT,
 255                                        wid_caps & AC_WCAP_STEREO, conn_len);
 256                 }
 257                 if (wid_caps & AC_WCAP_OUT_AMP) {
 258                         snd_iprintf(buffer, "  Amp-Out caps: ");
 259                         print_amp_caps(buffer, codec, nid, HDA_OUTPUT);
 260                         snd_iprintf(buffer, "  Amp-Out vals: ");
 261                         print_amp_vals(buffer, codec, nid, HDA_OUTPUT,
 262                                        wid_caps & AC_WCAP_STEREO, 1);
 263                 }
 264
 265                 if (wid_type == AC_WID_PIN) {
 266                         unsigned int pinctls;
 267                         print_pin_caps(buffer, codec, nid);
 268                         pinctls = snd_hda_codec_read(codec, nid, 0, AC_VERB_GET_PIN_WIDGET_CONTROL, 0);
 269                         snd_iprintf(buffer, "  Pin-ctls: 0x%02x:", pinctls);
 270                         if (pinctls & AC_PINCTL_IN_EN)
 271                                 snd_iprintf(buffer, " IN");
 272                         if (pinctls & AC_PINCTL_OUT_EN)
 273                                 snd_iprintf(buffer, " OUT");
 274                         if (pinctls & AC_PINCTL_HP_EN)
 275                                 snd_iprintf(buffer, " HP");
 276                         snd_iprintf(buffer, "\n");
 277                 }
 278
 279                 if ((wid_type == AC_WID_AUD_OUT || wid_type == AC_WID_AUD_IN) &&
 280                     (wid_caps & AC_WCAP_FORMAT_OVRD)) {
 281                         snd_iprintf(buffer, "  PCM: ");
 282                         print_pcm_caps(buffer, codec, nid);
 283                 }
 284
 285                 if (wid_caps & AC_WCAP_POWER)
 286                         snd_iprintf(buffer, "  Power: 0x%x\n",
 287                                     snd_hda_codec_read(codec, nid, 0,
 288                                                        AC_VERB_GET_POWER_STATE, 0));
 289
 290                 if (wid_caps & AC_WCAP_CONN_LIST) {
 291                         int c, curr = -1;
 292                         if (conn_len > 1 && wid_type != AC_WID_AUD_MIX)
 293                                 curr = snd_hda_codec_read(codec, nid, 0,
 294                                         AC_VERB_GET_CONNECT_SEL, 0);
 295                         snd_iprintf(buffer, "  Connection: %d\n", conn_len);
 296                         snd_iprintf(buffer, "    ");
 297                         for (c = 0; c < conn_len; c++) {
 298                                 snd_iprintf(buffer, " 0x%02x", conn[c]);
 299                                 if (c == curr)
 300                                         snd_iprintf(buffer, "*");
 301                         }
 302                         snd_iprintf(buffer, "\n");
 303                 }
 304         }
 305 }
 306
 307 /*
 308  * create a proc read
 309  */
 310 int snd_hda_codec_proc_new(struct hda_codec *codec)
 311 {
 312         char name[32];
 313         struct snd_info_entry *entry;
 314         int err;
 315
 316         snprintf(name, sizeof(name), "codec#%d", codec->addr);
 317         err = snd_card_proc_new(codec->bus->card, name, &entry);
 318         if (err < 0)
 319                 return err;
 320
 321         snd_info_set_text_ops(entry, codec, print_codec_info);
 322         return 0;
 323 }
 324