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         if (dir == HDA_OUTPUT)
  56                 caps = snd_hda_param_read(codec, nid, AC_PAR_AMP_OUT_CAP);
  57         else
  58                 caps = snd_hda_param_read(codec, nid, AC_PAR_AMP_IN_CAP);
  59         if (caps == -1 || caps == 0) {
  60                 snd_iprintf(buffer, "N/A\n");
  61                 return;
  62         }
  63         snd_iprintf(buffer, "ofs=0x%02x, nsteps=0x%02x, stepsize=0x%02x, mute=%x\n",
  64                     caps & AC_AMPCAP_OFFSET,
  65                     (caps & AC_AMPCAP_NUM_STEPS) >> AC_AMPCAP_NUM_STEPS_SHIFT,
  66                     (caps & AC_AMPCAP_STEP_SIZE) >> AC_AMPCAP_STEP_SIZE_SHIFT,
  67                     (caps & AC_AMPCAP_MUTE) >> AC_AMPCAP_MUTE_SHIFT);
  68 }
  69
  70 static void print_amp_vals(struct snd_info_buffer *buffer,
  71                            struct hda_codec *codec, hda_nid_t nid,
  72                            int dir, int stereo, int indices)
  73 {
  74         unsigned int val;
  75         int i;
  76
  77         if (dir == HDA_OUTPUT)
  78                 dir = AC_AMP_GET_OUTPUT;
  79         else
  80                 dir = AC_AMP_GET_INPUT;
  81         for (i = 0; i < indices; i++) {
  82                 snd_iprintf(buffer, " [");
  83                 if (stereo) {
  84                         val = snd_hda_codec_read(codec, nid, 0, AC_VERB_GET_AMP_GAIN_MUTE,
  85                                                  AC_AMP_GET_LEFT | dir | i);
  86                         snd_iprintf(buffer, "0x%02x ", val);
  87                 }
  88                 val = snd_hda_codec_read(codec, nid, 0, AC_VERB_GET_AMP_GAIN_MUTE,
  89                                          AC_AMP_GET_RIGHT | dir | i);
  90                 snd_iprintf(buffer, "0x%02x]", val);
  91         }
  92         snd_iprintf(buffer, "\n");
  93 }
  94
  95 static void print_pcm_caps(struct snd_info_buffer *buffer,
  96                            struct hda_codec *codec, hda_nid_t nid)
  97 {
  98         unsigned int pcm = snd_hda_param_read(codec, nid, AC_PAR_PCM);
  99         unsigned int stream = snd_hda_param_read(codec, nid, AC_PAR_STREAM);
 100         if (pcm == -1 || stream == -1) {
 101                 snd_iprintf(buffer, "N/A\n");
 102                 return;
 103         }
 104         snd_iprintf(buffer, "rates 0x%03x, bits 0x%02x, types 0x%x\n",
 105                     pcm & AC_SUPPCM_RATES, (pcm >> 16) & 0xff, stream & 0xf);
 106 }
 107
 108 static const char *get_jack_location(u32 cfg)
 109 {
 110         static char *bases[7] = {
 111                 "N/A", "Rear", "Front", "Left", "Right", "Top", "Bottom",
 112         };
 113         static unsigned char specials_idx[] = {
 114                 0x07, 0x08,
 115                 0x17, 0x18, 0x19,
 116                 0x37, 0x38
 117         };
 118         static char *specials[] = {
 119                 "Rear Panel", "Drive Bar",
 120                 "Riser", "HDMI", "ATAPI",
 121                 "Mobile-In", "Mobile-Out"
 122         };
 123         int i;
 124         cfg = (cfg & AC_DEFCFG_LOCATION) >> AC_DEFCFG_LOCATION_SHIFT;
 125         if ((cfg & 0x0f) < 7)
 126                 return bases[cfg & 0x0f];
 127         for (i = 0; i < ARRAY_SIZE(specials_idx); i++) {
 128                 if (cfg == specials_idx[i])
 129                         return specials[i];
 130         }
 131         return "UNKNOWN";
 132 }
 133
 134 static const char *get_jack_connection(u32 cfg)
 135 {
 136         static char *names[16] = {
 137                 "Unknown", "1/8", "1/4", "ATAPI",
 138                 "RCA", "Optical","Digital", "Analog",
 139                 "DIN", "XLR", "RJ11", "Comb",
 140                 NULL, NULL, NULL, "Other"
 141         };
 142         cfg = (cfg & AC_DEFCFG_CONN_TYPE) >> AC_DEFCFG_CONN_TYPE_SHIFT;
 143         if (names[cfg])
 144                 return names[cfg];
 145         else
 146                 return "UNKNOWN";
 147 }
 148
 149 static const char *get_jack_color(u32 cfg)
 150 {
 151         static char *names[16] = {
 152                 "Unknown", "Black", "Grey", "Blue",
 153                 "Green", "Red", "Orange", "Yellow",
 154                 "Purple", "Pink", NULL, NULL,
 155                 NULL, NULL, "White", "Other",
 156         };
 157         cfg = (cfg & AC_DEFCFG_COLOR) >> AC_DEFCFG_COLOR_SHIFT;
 158         if (names[cfg])
 159                 return names[cfg];
 160         else
 161                 return "UNKNOWN";
 162 }
 163
 164 static void print_pin_caps(struct snd_info_buffer *buffer,
 165                            struct hda_codec *codec, hda_nid_t nid)
 166 {
 167         static char *jack_conns[4] = { "Jack", "N/A", "Fixed", "Both" };
 168         static char *jack_types[16] = {
 169                 "Line Out", "Speaker", "HP Out", "CD",
 170                 "SPDIF Out", "Digital Out", "Modem Line", "Modem Hand",
 171                 "Line In", "Aux", "Mic", "Telephony",
 172                 "SPDIF In", "Digitial In", "Reserved", "Other"
 173         };
 174         static char *jack_locations[4] = { "Ext", "Int", "Sep", "Oth" };
 175         unsigned int caps;
 176
 177         caps = snd_hda_param_read(codec, nid, AC_PAR_PIN_CAP);
 178         snd_iprintf(buffer, "  Pincap 0x08%x:", caps);
 179         if (caps & AC_PINCAP_IN)
 180                 snd_iprintf(buffer, " IN");
 181         if (caps & AC_PINCAP_OUT)
 182                 snd_iprintf(buffer, " OUT");
 183         if (caps & AC_PINCAP_HP_DRV)
 184                 snd_iprintf(buffer, " HP");
 185         if (caps & AC_PINCAP_EAPD)
 186                 snd_iprintf(buffer, " EAPD");
 187         if (caps & AC_PINCAP_PRES_DETECT)
 188                 snd_iprintf(buffer, " Detect");
 189         snd_iprintf(buffer, "\n");
 190         caps = snd_hda_codec_read(codec, nid, 0, AC_VERB_GET_CONFIG_DEFAULT, 0);
 191         snd_iprintf(buffer, "  Pin Default 0x%08x: [%s] %s at %s %s\n", caps,
 192                     jack_conns[(caps & AC_DEFCFG_PORT_CONN) >> AC_DEFCFG_PORT_CONN_SHIFT],
 193                     jack_types[(caps & AC_DEFCFG_DEVICE) >> AC_DEFCFG_DEVICE_SHIFT],
 194                     jack_locations[(caps >> (AC_DEFCFG_LOCATION_SHIFT + 4)) & 3],
 195                     get_jack_location(caps));
 196         snd_iprintf(buffer, "    Conn = %s, Color = %s\n",
 197                     get_jack_connection(caps),
 198                     get_jack_color(caps));
 199 }
 200
 201
 202 static void print_codec_info(struct snd_info_entry *entry, struct snd_info_buffer *buffer)
 203 {
 204         struct hda_codec *codec = entry->private_data;
 205         char buf[32];
 206         hda_nid_t nid;
 207         int i, nodes;
 208
 209         snd_hda_get_codec_name(codec, buf, sizeof(buf));
 210         snd_iprintf(buffer, "Codec: %s\n", buf);
 211         snd_iprintf(buffer, "Address: %d\n", codec->addr);
 212         snd_iprintf(buffer, "Vendor Id: 0x%x\n", codec->vendor_id);
 213         snd_iprintf(buffer, "Subsystem Id: 0x%x\n", codec->subsystem_id);
 214         snd_iprintf(buffer, "Revision Id: 0x%x\n", codec->revision_id);
 215         if (! codec->afg)
 216                 return;
 217         snd_iprintf(buffer, "Default PCM: ");
 218         print_pcm_caps(buffer, codec, codec->afg);
 219         snd_iprintf(buffer, "Default Amp-In caps: ");
 220         print_amp_caps(buffer, codec, codec->afg, HDA_INPUT);
 221         snd_iprintf(buffer, "Default Amp-Out caps: ");
 222         print_amp_caps(buffer, codec, codec->afg, HDA_OUTPUT);
 223
 224         nodes = snd_hda_get_sub_nodes(codec, codec->afg, &nid);
 225         if (! nid || nodes < 0) {
 226                 snd_iprintf(buffer, "Invalid AFG subtree\n");
 227                 return;
 228         }
 229         for (i = 0; i < nodes; i++, nid++) {
 230                 unsigned int wid_caps = snd_hda_param_read(codec, nid,
 231                                                            AC_PAR_AUDIO_WIDGET_CAP);
 232                 unsigned int wid_type = (wid_caps & AC_WCAP_TYPE) >> AC_WCAP_TYPE_SHIFT;
 233                 int conn_len = 0;
 234                 hda_nid_t conn[HDA_MAX_CONNECTIONS];
 235
 236                 snd_iprintf(buffer, "Node 0x%02x [%s] wcaps 0x%x:", nid,
 237                             get_wid_type_name(wid_type), wid_caps);
 238                 if (wid_caps & AC_WCAP_STEREO)
 239                         snd_iprintf(buffer, " Stereo");
 240                 else
 241                         snd_iprintf(buffer, " Mono");
 242                 if (wid_caps & AC_WCAP_DIGITAL)
 243                         snd_iprintf(buffer, " Digital");
 244                 if (wid_caps & AC_WCAP_IN_AMP)
 245                         snd_iprintf(buffer, " Amp-In");
 246                 if (wid_caps & AC_WCAP_OUT_AMP)
 247                         snd_iprintf(buffer, " Amp-Out");
 248                 snd_iprintf(buffer, "\n");
 249
 250                 if (wid_caps & AC_WCAP_CONN_LIST)
 251                         conn_len = snd_hda_get_connections(codec, nid, conn,
 252                                                            HDA_MAX_CONNECTIONS);
 253
 254                 if (wid_caps & AC_WCAP_IN_AMP) {
 255                         snd_iprintf(buffer, "  Amp-In caps: ");
 256                         print_amp_caps(buffer, codec, nid, HDA_INPUT);
 257                         snd_iprintf(buffer, "  Amp-In vals: ");
 258                         print_amp_vals(buffer, codec, nid, HDA_INPUT,
 259                                        wid_caps & AC_WCAP_STEREO, conn_len);
 260                 }
 261                 if (wid_caps & AC_WCAP_OUT_AMP) {
 262                         snd_iprintf(buffer, "  Amp-Out caps: ");
 263                         print_amp_caps(buffer, codec, nid, HDA_OUTPUT);
 264                         snd_iprintf(buffer, "  Amp-Out vals: ");
 265                         print_amp_vals(buffer, codec, nid, HDA_OUTPUT,
 266                                        wid_caps & AC_WCAP_STEREO, 1);
 267                 }
 268
 269                 if (wid_type == AC_WID_PIN) {
 270                         unsigned int pinctls;
 271                         print_pin_caps(buffer, codec, nid);
 272                         pinctls = snd_hda_codec_read(codec, nid, 0, AC_VERB_GET_PIN_WIDGET_CONTROL, 0);
 273                         snd_iprintf(buffer, "  Pin-ctls: 0x%02x:", pinctls);
 274                         if (pinctls & AC_PINCTL_IN_EN)
 275                                 snd_iprintf(buffer, " IN");
 276                         if (pinctls & AC_PINCTL_OUT_EN)
 277                                 snd_iprintf(buffer, " OUT");
 278                         if (pinctls & AC_PINCTL_HP_EN)
 279                                 snd_iprintf(buffer, " HP");
 280                         snd_iprintf(buffer, "\n");
 281                 }
 282
 283                 if ((wid_type == AC_WID_AUD_OUT || wid_type == AC_WID_AUD_IN) &&
 284                     (wid_caps & AC_WCAP_FORMAT_OVRD)) {
 285                         snd_iprintf(buffer, "  PCM: ");
 286                         print_pcm_caps(buffer, codec, nid);
 287                 }
 288
 289                 if (wid_caps & AC_WCAP_POWER)
 290                         snd_iprintf(buffer, "  Power: 0x%x\n",
 291                                     snd_hda_codec_read(codec, nid, 0,
 292                                                        AC_VERB_GET_POWER_STATE, 0));
 293
 294                 if (wid_caps & AC_WCAP_CONN_LIST) {
 295                         int c, curr = -1;
 296                         if (conn_len > 1 && wid_type != AC_WID_AUD_MIX)
 297                                 curr = snd_hda_codec_read(codec, nid, 0,
 298                                         AC_VERB_GET_CONNECT_SEL, 0);
 299                         snd_iprintf(buffer, "  Connection: %d\n", conn_len);
 300                         snd_iprintf(buffer, "    ");
 301                         for (c = 0; c < conn_len; c++) {
 302                                 snd_iprintf(buffer, " 0x%02x", conn[c]);
 303                                 if (c == curr)
 304                                         snd_iprintf(buffer, "*");
 305                         }
 306                         snd_iprintf(buffer, "\n");
 307                 }
 308         }
 309 }
 310
 311 /*
 312  * create a proc read
 313  */
 314 int snd_hda_codec_proc_new(struct hda_codec *codec)
 315 {
 316         char name[32];
 317         struct snd_info_entry *entry;
 318         int err;
 319
 320         snprintf(name, sizeof(name), "codec#%d", codec->addr);
 321         err = snd_card_proc_new(codec->bus->card, name, &entry);
 322         if (err < 0)
 323                 return err;
 324
 325         snd_info_set_text_ops(entry, codec, print_codec_info);
 326         return 0;
 327 }
 328