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)
  72 {
  73         unsigned int val;
  74         if (stereo) {
  75                 val = snd_hda_codec_read(codec, nid, 0, AC_VERB_GET_AMP_GAIN_MUTE,
  76                                           AC_AMP_GET_LEFT |
  77                                          (dir == HDA_OUTPUT ? AC_AMP_GET_OUTPUT :
  78                                           AC_AMP_GET_INPUT));
  79                 snd_iprintf(buffer, "0x%02x ", val);
  80         }
  81         val = snd_hda_codec_read(codec, nid, 0, AC_VERB_GET_AMP_GAIN_MUTE,
  82                                  AC_AMP_GET_RIGHT |
  83                                  (dir == HDA_OUTPUT ? AC_AMP_GET_OUTPUT :
  84                                   AC_AMP_GET_INPUT));
  85         snd_iprintf(buffer, "0x%02x\n", val);
  86 }
  87
  88 static void print_pcm_caps(snd_info_buffer_t *buffer,
  89                            struct hda_codec *codec, hda_nid_t nid)
  90 {
  91         unsigned int pcm = snd_hda_param_read(codec, nid, AC_PAR_PCM);
  92         unsigned int stream = snd_hda_param_read(codec, nid, AC_PAR_STREAM);
  93         if (pcm == -1 || stream == -1) {
  94                 snd_iprintf(buffer, "N/A\n");
  95                 return;
  96         }
  97         snd_iprintf(buffer, "rates 0x%03x, bits 0x%02x, types 0x%x\n",
  98                     pcm & AC_SUPPCM_RATES, (pcm >> 16) & 0xff, stream & 0xf);
  99 }
 100
 101 static const char *get_jack_location(u32 cfg)
 102 {
 103         static char *bases[7] = {
 104                 "N/A", "Rear", "Front", "Left", "Right", "Top", "Bottom",
 105         };
 106         static unsigned char specials_idx[] = {
 107                 0x07, 0x08,
 108                 0x17, 0x18, 0x19,
 109                 0x37, 0x38
 110         };
 111         static char *specials[] = {
 112                 "Rear Panel", "Drive Bar",
 113                 "Riser", "HDMI", "ATAPI",
 114                 "Mobile-In", "Mobile-Out"
 115         };
 116         int i;
 117         cfg = (cfg & AC_DEFCFG_LOCATION) >> AC_DEFCFG_LOCATION_SHIFT;
 118         if ((cfg & 0x0f) < 7)
 119                 return bases[cfg & 0x0f];
 120         for (i = 0; i < ARRAY_SIZE(specials_idx); i++) {
 121                 if (cfg == specials_idx[i])
 122                         return specials[i];
 123         }
 124         return "UNKNOWN";
 125 }
 126
 127 static const char *get_jack_connection(u32 cfg)
 128 {
 129         static char *names[16] = {
 130                 "Unknown", "1/8", "1/4", "ATAPI",
 131                 "RCA", "Optical","Digital", "Analog",
 132                 "DIN", "XLR", "RJ11", "Comb",
 133                 NULL, NULL, NULL, "Other"
 134         };
 135         cfg = (cfg & AC_DEFCFG_CONN_TYPE) >> AC_DEFCFG_CONN_TYPE_SHIFT;
 136         if (names[cfg])
 137                 return names[cfg];
 138         else
 139                 return "UNKNOWN";
 140 }
 141
 142 static const char *get_jack_color(u32 cfg)
 143 {
 144         static char *names[16] = {
 145                 "Unknown", "Black", "Grey", "Blue",
 146                 "Green", "Red", "Orange", "Yellow",
 147                 "Purple", "Pink", NULL, NULL,
 148                 NULL, NULL, "White", "Other",
 149         };
 150         cfg = (cfg & AC_DEFCFG_COLOR) >> AC_DEFCFG_COLOR_SHIFT;
 151         if (names[cfg])
 152                 return names[cfg];
 153         else
 154                 return "UNKNOWN";
 155 }
 156
 157 static void print_pin_caps(snd_info_buffer_t *buffer,
 158                            struct hda_codec *codec, hda_nid_t nid)
 159 {
 160         static char *jack_types[16] = {
 161                 "Line Out", "Speaker", "HP Out", "CD",
 162                 "SPDIF Out", "Digital Out", "Modem Line", "Modem Hand",
 163                 "Line In", "Aux", "Mic", "Telephony",
 164                 "SPDIF In", "Digitial In", "Reserved", "Other"
 165         };
 166         static char *jack_locations[4] = { "Ext", "Int", "Sep", "Oth" };
 167         unsigned int caps;
 168
 169         caps = snd_hda_param_read(codec, nid, AC_PAR_PIN_CAP);
 170         snd_iprintf(buffer, "  Pincap 0x08%x:", caps);
 171         if (caps & AC_PINCAP_IN)
 172                 snd_iprintf(buffer, " IN");
 173         if (caps & AC_PINCAP_OUT)
 174                 snd_iprintf(buffer, " OUT");
 175         if (caps & AC_PINCAP_HP_DRV)
 176                 snd_iprintf(buffer, " HP");
 177         snd_iprintf(buffer, "\n");
 178         caps = snd_hda_codec_read(codec, nid, 0, AC_VERB_GET_CONFIG_DEFAULT, 0);
 179         snd_iprintf(buffer, "  Pin Default 0x%08x: %s at %s %s\n", caps,
 180                     jack_types[(caps & AC_DEFCFG_DEVICE) >> AC_DEFCFG_DEVICE_SHIFT],
 181                     jack_locations[(caps >> (AC_DEFCFG_LOCATION_SHIFT + 4)) & 3],
 182                     get_jack_location(caps));
 183         snd_iprintf(buffer, "    Conn = %s, Color = %s\n",
 184                     get_jack_connection(caps),
 185                     get_jack_color(caps));
 186 }
 187
 188
 189 static void print_codec_info(snd_info_entry_t *entry, snd_info_buffer_t *buffer)
 190 {
 191         struct hda_codec *codec = entry->private_data;
 192         char buf[32];
 193         hda_nid_t nid;
 194         int i, nodes;
 195
 196         snd_hda_get_codec_name(codec, buf, sizeof(buf));
 197         snd_iprintf(buffer, "Codec: %s\n", buf);
 198         snd_iprintf(buffer, "Address: %d\n", codec->addr);
 199         snd_iprintf(buffer, "Vendor Id: 0x%x\n", codec->vendor_id);
 200         snd_iprintf(buffer, "Subsystem Id: 0x%x\n", codec->subsystem_id);
 201         snd_iprintf(buffer, "Revision Id: 0x%x\n", codec->revision_id);
 202         snd_iprintf(buffer, "Default PCM: ");
 203         print_pcm_caps(buffer, codec, codec->afg);
 204         snd_iprintf(buffer, "Default Amp-In caps: ");
 205         print_amp_caps(buffer, codec, codec->afg, HDA_INPUT);
 206         snd_iprintf(buffer, "Default Amp-Out caps: ");
 207         print_amp_caps(buffer, codec, codec->afg, HDA_OUTPUT);
 208
 209         nodes = snd_hda_get_sub_nodes(codec, codec->afg, &nid);
 210         if (! nid || nodes < 0) {
 211                 snd_iprintf(buffer, "Invalid AFG subtree\n");
 212                 return;
 213         }
 214         for (i = 0; i < nodes; i++, nid++) {
 215                 unsigned int wid_caps = snd_hda_param_read(codec, nid,
 216                                                            AC_PAR_AUDIO_WIDGET_CAP);
 217                 unsigned int wid_type = (wid_caps & AC_WCAP_TYPE) >> AC_WCAP_TYPE_SHIFT;
 218                 snd_iprintf(buffer, "Node 0x%02x [%s] wcaps 0x%x:", nid,
 219                             get_wid_type_name(wid_type), wid_caps);
 220                 if (wid_caps & AC_WCAP_STEREO)
 221                         snd_iprintf(buffer, " Stereo");
 222                 else
 223                         snd_iprintf(buffer, " Mono");
 224                 if (wid_caps & AC_WCAP_DIGITAL)
 225                         snd_iprintf(buffer, " Digital");
 226                 if (wid_caps & AC_WCAP_IN_AMP)
 227                         snd_iprintf(buffer, " Amp-In");
 228                 if (wid_caps & AC_WCAP_OUT_AMP)
 229                         snd_iprintf(buffer, " Amp-Out");
 230                 snd_iprintf(buffer, "\n");
 231
 232                 if (wid_caps & AC_WCAP_IN_AMP) {
 233                         snd_iprintf(buffer, "  Amp-In caps: ");
 234                         print_amp_caps(buffer, codec, nid, HDA_INPUT);
 235                         snd_iprintf(buffer, "  Amp-In vals: ");
 236                         print_amp_vals(buffer, codec, nid, HDA_INPUT,
 237                                        wid_caps & AC_WCAP_STEREO);
 238                 }
 239                 if (wid_caps & AC_WCAP_OUT_AMP) {
 240                         snd_iprintf(buffer, "  Amp-Out caps: ");
 241                         print_amp_caps(buffer, codec, nid, HDA_OUTPUT);
 242                         snd_iprintf(buffer, "  Amp-Out vals: ");
 243                         print_amp_vals(buffer, codec, nid, HDA_OUTPUT,
 244                                        wid_caps & AC_WCAP_STEREO);
 245                 }
 246
 247                 if (wid_type == AC_WID_PIN) {
 248                         unsigned int pinctls;
 249                         print_pin_caps(buffer, codec, nid);
 250                         pinctls = snd_hda_codec_read(codec, nid, 0, AC_VERB_GET_PIN_WIDGET_CONTROL, 0);
 251                         snd_iprintf(buffer, "  Pin-ctls: 0x%02x:", pinctls);
 252                         if (pinctls & AC_PINCTL_IN_EN)
 253                                 snd_iprintf(buffer, " IN");
 254                         if (pinctls & AC_PINCTL_OUT_EN)
 255                                 snd_iprintf(buffer, " OUT");
 256                         if (pinctls & AC_PINCTL_HP_EN)
 257                                 snd_iprintf(buffer, " HP");
 258                         snd_iprintf(buffer, "\n");
 259                 }
 260
 261                 if ((wid_type == AC_WID_AUD_OUT || wid_type == AC_WID_AUD_IN) &&
 262                     (wid_caps & AC_WCAP_FORMAT_OVRD)) {
 263                         snd_iprintf(buffer, "  PCM: ");
 264                         print_pcm_caps(buffer, codec, nid);
 265                 }
 266
 267                 if (wid_caps & AC_WCAP_CONN_LIST) {
 268                         hda_nid_t conn[HDA_MAX_CONNECTIONS];
 269                         int c, conn_len;
 270                         conn_len = snd_hda_get_connections(codec, nid, conn,
 271                                                            HDA_MAX_CONNECTIONS);
 272                         snd_iprintf(buffer, "  Connection: %d\n", conn_len);
 273                         snd_iprintf(buffer, "    ");
 274                         for (c = 0; c < conn_len; c++)
 275                                 snd_iprintf(buffer, " 0x%02x", conn[c]);
 276                         snd_iprintf(buffer, "\n");
 277                 }
 278         }
 279 }
 280
 281 /*
 282  * create a proc read
 283  */
 284 int snd_hda_codec_proc_new(struct hda_codec *codec)
 285 {
 286         char name[32];
 287         snd_info_entry_t *entry;
 288         int err;
 289
 290         snprintf(name, sizeof(name), "codec#%d", codec->addr);
 291         err = snd_card_proc_new(codec->bus->card, name, &entry);
 292         if (err < 0)
 293                 return err;
 294
 295         snd_info_set_text_ops(entry, codec, 32 * 1024, print_codec_info);
 296         return 0;
 297 }
 298