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
  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 "UNKOWN Widget";
  48 }
  49
  50 static void print_amp_caps(snd_info_buffer_t *buffer,
  51                            struct hda_codec *codec, hda_nid_t nid, int dir)
  52 {
  53         unsigned int caps;
  54         if (dir == HDA_OUTPUT)
  55                 caps = snd_hda_param_read(codec, nid, AC_PAR_AMP_OUT_CAP);
  56         else
  57                 caps = snd_hda_param_read(codec, nid, 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(snd_info_buffer_t *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         if (dir == HDA_OUTPUT)
  77                 dir = AC_AMP_GET_OUTPUT;
  78         else
  79                 dir = AC_AMP_GET_INPUT;
  80         for (i = 0; i < indices; i++) {
  81                 snd_iprintf(buffer, " [");
  82                 if (stereo) {
  83                         val = snd_hda_codec_read(codec, nid, 0, AC_VERB_GET_AMP_GAIN_MUTE,
  84                                                  AC_AMP_GET_LEFT | dir | i);
  85                         snd_iprintf(buffer, "0x%02x ", val);
  86                 }
  87                 val = snd_hda_codec_read(codec, nid, 0, AC_VERB_GET_AMP_GAIN_MUTE,
  88                                          AC_AMP_GET_RIGHT | dir | i);
  89                 snd_iprintf(buffer, "0x%02x]", val);
  90         }
  91         snd_iprintf(buffer, "\n");
  92 }
  93
  94 static void print_pcm_caps(snd_info_buffer_t *buffer,
  95                            struct hda_codec *codec, hda_nid_t nid)
  96 {
  97         unsigned int pcm = snd_hda_param_read(codec, nid, AC_PAR_PCM);
  98         unsigned int stream = snd_hda_param_read(codec, nid, AC_PAR_STREAM);
  99         if (pcm == -1 || stream == -1) {
 100                 snd_iprintf(buffer, "N/A\n");
 101                 return;
 102         }
 103         snd_iprintf(buffer, "rates 0x%03x, bits 0x%02x, types 0x%x\n",
 104                     pcm & AC_SUPPCM_RATES, (pcm >> 16) & 0xff, stream & 0xf);
 105 }
 106
 107 static const char *get_jack_location(u32 cfg)
 108 {
 109         static char *bases[7] = {
 110                 "N/A", "Rear", "Front", "Left", "Right", "Top", "Bottom",
 111         };
 112         static unsigned char specials_idx[] = {
 113                 0x07, 0x08,
 114                 0x17, 0x18, 0x19,
 115                 0x37, 0x38
 116         };
 117         static char *specials[] = {
 118                 "Rear Panel", "Drive Bar",
 119                 "Riser", "HDMI", "ATAPI",
 120                 "Mobile-In", "Mobile-Out"
 121         };
 122         int i;
 123         cfg = (cfg & AC_DEFCFG_LOCATION) >> AC_DEFCFG_LOCATION_SHIFT;
 124         if ((cfg & 0x0f) < 7)
 125                 return bases[cfg & 0x0f];
 126         for (i = 0; i < ARRAY_SIZE(specials_idx); i++) {
 127                 if (cfg == specials_idx[i])
 128                         return specials[i];
 129         }
 130         return "UNKNOWN";
 131 }
 132
 133 static const char *get_jack_connection(u32 cfg)
 134 {
 135         static char *names[16] = {
 136                 "Unknown", "1/8", "1/4", "ATAPI",
 137                 "RCA", "Optical","Digital", "Analog",
 138                 "DIN", "XLR", "RJ11", "Comb",
 139                 NULL, NULL, NULL, "Other"
 140         };
 141         cfg = (cfg & AC_DEFCFG_CONN_TYPE) >> AC_DEFCFG_CONN_TYPE_SHIFT;
 142         if (names[cfg])
 143                 return names[cfg];
 144         else
 145                 return "UNKNOWN";
 146 }
 147
 148 static const char *get_jack_color(u32 cfg)
 149 {
 150         static char *names[16] = {
 151                 "Unknown", "Black", "Grey", "Blue",
 152                 "Green", "Red", "Orange", "Yellow",
 153                 "Purple", "Pink", NULL, NULL,
 154                 NULL, NULL, "White", "Other",
 155         };
 156         cfg = (cfg & AC_DEFCFG_COLOR) >> AC_DEFCFG_COLOR_SHIFT;
 157         if (names[cfg])
 158                 return names[cfg];
 159         else
 160                 return "UNKNOWN";
 161 }
 162
 163 static void print_pin_caps(snd_info_buffer_t *buffer,
 164                            struct hda_codec *codec, hda_nid_t nid)
 165 {
 166         static char *jack_conns[4] = { "Jack", "N/A", "Fixed", "Both" };
 167         static char *jack_types[16] = {
 168                 "Line Out", "Speaker", "HP Out", "CD",
 169                 "SPDIF Out", "Digital Out", "Modem Line", "Modem Hand",
 170                 "Line In", "Aux", "Mic", "Telephony",
 171                 "SPDIF In", "Digitial In", "Reserved", "Other"
 172         };
 173         static char *jack_locations[4] = { "Ext", "Int", "Sep", "Oth" };
 174         unsigned int caps;
 175
 176         caps = snd_hda_param_read(codec, nid, AC_PAR_PIN_CAP);
 177         snd_iprintf(buffer, "  Pincap 0x08%x:", caps);
 178         if (caps & AC_PINCAP_IN)
 179                 snd_iprintf(buffer, " IN");
 180         if (caps & AC_PINCAP_OUT)
 181                 snd_iprintf(buffer, " OUT");
 182         if (caps & AC_PINCAP_HP_DRV)
 183                 snd_iprintf(buffer, " HP");
 184         snd_iprintf(buffer, "\n");
 185         caps = snd_hda_codec_read(codec, nid, 0, AC_VERB_GET_CONFIG_DEFAULT, 0);
 186         snd_iprintf(buffer, "  Pin Default 0x%08x: [%s] %s at %s %s\n", caps,
 187                     jack_conns[(caps & AC_DEFCFG_PORT_CONN) >> AC_DEFCFG_PORT_CONN_SHIFT],
 188                     jack_types[(caps & AC_DEFCFG_DEVICE) >> AC_DEFCFG_DEVICE_SHIFT],
 189                     jack_locations[(caps >> (AC_DEFCFG_LOCATION_SHIFT + 4)) & 3],
 190                     get_jack_location(caps));
 191         snd_iprintf(buffer, "    Conn = %s, Color = %s\n",
 192                     get_jack_connection(caps),
 193                     get_jack_color(caps));
 194 }
 195
 196
 197 static void print_codec_info(snd_info_entry_t *entry, snd_info_buffer_t *buffer)
 198 {
 199         struct hda_codec *codec = entry->private_data;
 200         char buf[32];
 201         hda_nid_t nid;
 202         int i, nodes;
 203
 204         snd_hda_get_codec_name(codec, buf, sizeof(buf));
 205         snd_iprintf(buffer, "Codec: %s\n", buf);
 206         snd_iprintf(buffer, "Address: %d\n", codec->addr);
 207         snd_iprintf(buffer, "Vendor Id: 0x%x\n", codec->vendor_id);
 208         snd_iprintf(buffer, "Subsystem Id: 0x%x\n", codec->subsystem_id);
 209         snd_iprintf(buffer, "Revision Id: 0x%x\n", codec->revision_id);
 210         snd_iprintf(buffer, "Default PCM: ");
 211         print_pcm_caps(buffer, codec, codec->afg);
 212         snd_iprintf(buffer, "Default Amp-In caps: ");
 213         print_amp_caps(buffer, codec, codec->afg, HDA_INPUT);
 214         snd_iprintf(buffer, "Default Amp-Out caps: ");
 215         print_amp_caps(buffer, codec, codec->afg, HDA_OUTPUT);
 216
 217         nodes = snd_hda_get_sub_nodes(codec, codec->afg, &nid);
 218         if (! nid || nodes < 0) {
 219                 snd_iprintf(buffer, "Invalid AFG subtree\n");
 220                 return;
 221         }
 222         for (i = 0; i < nodes; i++, nid++) {
 223                 unsigned int wid_caps = snd_hda_param_read(codec, nid,
 224                                                            AC_PAR_AUDIO_WIDGET_CAP);
 225                 unsigned int wid_type = (wid_caps & AC_WCAP_TYPE) >> AC_WCAP_TYPE_SHIFT;
 226                 int conn_len = 0;
 227                 hda_nid_t conn[HDA_MAX_CONNECTIONS];
 228
 229                 snd_iprintf(buffer, "Node 0x%02x [%s] wcaps 0x%x:", nid,
 230                             get_wid_type_name(wid_type), wid_caps);
 231                 if (wid_caps & AC_WCAP_STEREO)
 232                         snd_iprintf(buffer, " Stereo");
 233                 else
 234                         snd_iprintf(buffer, " Mono");
 235                 if (wid_caps & AC_WCAP_DIGITAL)
 236                         snd_iprintf(buffer, " Digital");
 237                 if (wid_caps & AC_WCAP_IN_AMP)
 238                         snd_iprintf(buffer, " Amp-In");
 239                 if (wid_caps & AC_WCAP_OUT_AMP)
 240                         snd_iprintf(buffer, " Amp-Out");
 241                 snd_iprintf(buffer, "\n");
 242
 243                 if (wid_caps & AC_WCAP_CONN_LIST)
 244                         conn_len = snd_hda_get_connections(codec, nid, conn,
 245                                                            HDA_MAX_CONNECTIONS);
 246
 247                 if (wid_caps & AC_WCAP_IN_AMP) {
 248                         snd_iprintf(buffer, "  Amp-In caps: ");
 249                         print_amp_caps(buffer, codec, nid, HDA_INPUT);
 250                         snd_iprintf(buffer, "  Amp-In vals: ");
 251                         print_amp_vals(buffer, codec, nid, HDA_INPUT,
 252                                        wid_caps & AC_WCAP_STEREO, conn_len);
 253                 }
 254                 if (wid_caps & AC_WCAP_OUT_AMP) {
 255                         snd_iprintf(buffer, "  Amp-Out caps: ");
 256                         print_amp_caps(buffer, codec, nid, HDA_OUTPUT);
 257                         snd_iprintf(buffer, "  Amp-Out vals: ");
 258                         print_amp_vals(buffer, codec, nid, HDA_OUTPUT,
 259                                        wid_caps & AC_WCAP_STEREO, 1);
 260                 }
 261
 262                 if (wid_type == AC_WID_PIN) {
 263                         unsigned int pinctls;
 264                         print_pin_caps(buffer, codec, nid);
 265                         pinctls = snd_hda_codec_read(codec, nid, 0, AC_VERB_GET_PIN_WIDGET_CONTROL, 0);
 266                         snd_iprintf(buffer, "  Pin-ctls: 0x%02x:", pinctls);
 267                         if (pinctls & AC_PINCTL_IN_EN)
 268                                 snd_iprintf(buffer, " IN");
 269                         if (pinctls & AC_PINCTL_OUT_EN)
 270                                 snd_iprintf(buffer, " OUT");
 271                         if (pinctls & AC_PINCTL_HP_EN)
 272                                 snd_iprintf(buffer, " HP");
 273                         snd_iprintf(buffer, "\n");
 274                 }
 275
 276                 if ((wid_type == AC_WID_AUD_OUT || wid_type == AC_WID_AUD_IN) &&
 277                     (wid_caps & AC_WCAP_FORMAT_OVRD)) {
 278                         snd_iprintf(buffer, "  PCM: ");
 279                         print_pcm_caps(buffer, codec, nid);
 280                 }
 281
 282                 if (wid_caps & AC_WCAP_CONN_LIST) {
 283                         int c, curr = -1;
 284                         if (conn_len > 1 && wid_type != AC_WID_AUD_MIX)
 285                                 curr = snd_hda_codec_read(codec, nid, 0,
 286                                         AC_VERB_GET_CONNECT_SEL, 0);
 287                         snd_iprintf(buffer, "  Connection: %d\n", conn_len);
 288                         snd_iprintf(buffer, "    ");
 289                         for (c = 0; c < conn_len; c++) {
 290                                 snd_iprintf(buffer, " 0x%02x", conn[c]);
 291                                 if (c == curr)
 292                                         snd_iprintf(buffer, "*");
 293                         }
 294                         snd_iprintf(buffer, "\n");
 295                 }
 296         }
 297 }
 298
 299 /*
 300  * create a proc read
 301  */
 302 int snd_hda_codec_proc_new(struct hda_codec *codec)
 303 {
 304         char name[32];
 305         snd_info_entry_t *entry;
 306         int err;
 307
 308         snprintf(name, sizeof(name), "codec#%d", codec->addr);
 309         err = snd_card_proc_new(codec->bus->card, name, &entry);
 310         if (err < 0)
 311                 return err;
 312
 313         snd_info_set_text_ops(entry, codec, 32 * 1024, print_codec_info);
 314         return 0;
 315 }
 316