ALSA: hda - proc - introduce Control: lines to show mixer<->NID assignment
[pandora-kernel.git] / 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 <linux/init.h>
25 #include <sound/core.h>
26 #include "hda_codec.h"
27 #include "hda_local.h"
28
29 static const char *get_wid_type_name(unsigned int wid_value)
30 {
31         static char *names[16] = {
32                 [AC_WID_AUD_OUT] = "Audio Output",
33                 [AC_WID_AUD_IN] = "Audio Input",
34                 [AC_WID_AUD_MIX] = "Audio Mixer",
35                 [AC_WID_AUD_SEL] = "Audio Selector",
36                 [AC_WID_PIN] = "Pin Complex",
37                 [AC_WID_POWER] = "Power Widget",
38                 [AC_WID_VOL_KNB] = "Volume Knob Widget",
39                 [AC_WID_BEEP] = "Beep Generator Widget",
40                 [AC_WID_VENDOR] = "Vendor Defined Widget",
41         };
42         wid_value &= 0xf;
43         if (names[wid_value])
44                 return names[wid_value];
45         else
46                 return "UNKNOWN Widget";
47 }
48
49 static void print_nid_mixers(struct snd_info_buffer *buffer,
50                              struct hda_codec *codec, hda_nid_t nid)
51 {
52         int i;
53         struct hda_nid_item *items = codec->mixers.list;
54         struct snd_kcontrol *kctl;
55         for (i = 0; i < codec->mixers.used; i++) {
56                 if (items[i].nid == nid) {
57                         kctl = items[i].kctl;
58                         snd_iprintf(buffer,
59                           "  Control: name=\"%s\", index=%i, device=%i\n",
60                           kctl->id.name, kctl->id.index, kctl->id.device);
61                 }
62         }
63 }
64
65 static void print_nid_pcms(struct snd_info_buffer *buffer,
66                            struct hda_codec *codec, hda_nid_t nid)
67 {
68         int pcm, type;
69         struct hda_pcm *cpcm;
70         for (pcm = 0; pcm < codec->num_pcms; pcm++) {
71                 cpcm = &codec->pcm_info[pcm];
72                 for (type = 0; type < 2; type++) {
73                         if (cpcm->stream[type].nid != nid || cpcm->pcm == NULL)
74                                 continue;
75                         snd_iprintf(buffer, "  Device: name=\"%s\", "
76                                     "type=\"%s\", device=%i\n",
77                                     cpcm->name,
78                                     snd_hda_pcm_type_name[cpcm->pcm_type],
79                                     cpcm->pcm->device);
80                 }
81         }
82 }
83
84 static void print_amp_caps(struct snd_info_buffer *buffer,
85                            struct hda_codec *codec, hda_nid_t nid, int dir)
86 {
87         unsigned int caps;
88         caps = snd_hda_param_read(codec, nid,
89                                   dir == HDA_OUTPUT ?
90                                     AC_PAR_AMP_OUT_CAP : AC_PAR_AMP_IN_CAP);
91         if (caps == -1 || caps == 0) {
92                 snd_iprintf(buffer, "N/A\n");
93                 return;
94         }
95         snd_iprintf(buffer, "ofs=0x%02x, nsteps=0x%02x, stepsize=0x%02x, "
96                     "mute=%x\n",
97                     caps & AC_AMPCAP_OFFSET,
98                     (caps & AC_AMPCAP_NUM_STEPS) >> AC_AMPCAP_NUM_STEPS_SHIFT,
99                     (caps & AC_AMPCAP_STEP_SIZE) >> AC_AMPCAP_STEP_SIZE_SHIFT,
100                     (caps & AC_AMPCAP_MUTE) >> AC_AMPCAP_MUTE_SHIFT);
101 }
102
103 static void print_amp_vals(struct snd_info_buffer *buffer,
104                            struct hda_codec *codec, hda_nid_t nid,
105                            int dir, int stereo, int indices)
106 {
107         unsigned int val;
108         int i;
109
110         dir = dir == HDA_OUTPUT ? AC_AMP_GET_OUTPUT : AC_AMP_GET_INPUT;
111         for (i = 0; i < indices; i++) {
112                 snd_iprintf(buffer, " [");
113                 if (stereo) {
114                         val = snd_hda_codec_read(codec, nid, 0,
115                                                  AC_VERB_GET_AMP_GAIN_MUTE,
116                                                  AC_AMP_GET_LEFT | dir | i);
117                         snd_iprintf(buffer, "0x%02x ", val);
118                 }
119                 val = snd_hda_codec_read(codec, nid, 0,
120                                          AC_VERB_GET_AMP_GAIN_MUTE,
121                                          AC_AMP_GET_RIGHT | dir | i);
122                 snd_iprintf(buffer, "0x%02x]", val);
123         }
124         snd_iprintf(buffer, "\n");
125 }
126
127 static void print_pcm_rates(struct snd_info_buffer *buffer, unsigned int pcm)
128 {
129         char buf[SND_PRINT_RATES_ADVISED_BUFSIZE];
130
131         pcm &= AC_SUPPCM_RATES;
132         snd_iprintf(buffer, "    rates [0x%x]:", pcm);
133         snd_print_pcm_rates(pcm, buf, sizeof(buf));
134         snd_iprintf(buffer, "%s\n", buf);
135 }
136
137 static void print_pcm_bits(struct snd_info_buffer *buffer, unsigned int pcm)
138 {
139         char buf[SND_PRINT_BITS_ADVISED_BUFSIZE];
140
141         snd_iprintf(buffer, "    bits [0x%x]:", (pcm >> 16) & 0xff);
142         snd_print_pcm_bits(pcm, buf, sizeof(buf));
143         snd_iprintf(buffer, "%s\n", buf);
144 }
145
146 static void print_pcm_formats(struct snd_info_buffer *buffer,
147                               unsigned int streams)
148 {
149         snd_iprintf(buffer, "    formats [0x%x]:", streams & 0xf);
150         if (streams & AC_SUPFMT_PCM)
151                 snd_iprintf(buffer, " PCM");
152         if (streams & AC_SUPFMT_FLOAT32)
153                 snd_iprintf(buffer, " FLOAT");
154         if (streams & AC_SUPFMT_AC3)
155                 snd_iprintf(buffer, " AC3");
156         snd_iprintf(buffer, "\n");
157 }
158
159 static void print_pcm_caps(struct snd_info_buffer *buffer,
160                            struct hda_codec *codec, hda_nid_t nid)
161 {
162         unsigned int pcm = snd_hda_param_read(codec, nid, AC_PAR_PCM);
163         unsigned int stream = snd_hda_param_read(codec, nid, AC_PAR_STREAM);
164         if (pcm == -1 || stream == -1) {
165                 snd_iprintf(buffer, "N/A\n");
166                 return;
167         }
168         print_pcm_rates(buffer, pcm);
169         print_pcm_bits(buffer, pcm);
170         print_pcm_formats(buffer, stream);
171 }
172
173 static const char *get_jack_connection(u32 cfg)
174 {
175         static char *names[16] = {
176                 "Unknown", "1/8", "1/4", "ATAPI",
177                 "RCA", "Optical","Digital", "Analog",
178                 "DIN", "XLR", "RJ11", "Comb",
179                 NULL, NULL, NULL, "Other"
180         };
181         cfg = (cfg & AC_DEFCFG_CONN_TYPE) >> AC_DEFCFG_CONN_TYPE_SHIFT;
182         if (names[cfg])
183                 return names[cfg];
184         else
185                 return "UNKNOWN";
186 }
187
188 static const char *get_jack_color(u32 cfg)
189 {
190         static char *names[16] = {
191                 "Unknown", "Black", "Grey", "Blue",
192                 "Green", "Red", "Orange", "Yellow",
193                 "Purple", "Pink", NULL, NULL,
194                 NULL, NULL, "White", "Other",
195         };
196         cfg = (cfg & AC_DEFCFG_COLOR) >> AC_DEFCFG_COLOR_SHIFT;
197         if (names[cfg])
198                 return names[cfg];
199         else
200                 return "UNKNOWN";
201 }
202
203 static void print_pin_caps(struct snd_info_buffer *buffer,
204                            struct hda_codec *codec, hda_nid_t nid,
205                            int *supports_vref)
206 {
207         static char *jack_conns[4] = { "Jack", "N/A", "Fixed", "Both" };
208         unsigned int caps, val;
209
210         caps = snd_hda_param_read(codec, nid, AC_PAR_PIN_CAP);
211         snd_iprintf(buffer, "  Pincap 0x%08x:", caps);
212         if (caps & AC_PINCAP_IN)
213                 snd_iprintf(buffer, " IN");
214         if (caps & AC_PINCAP_OUT)
215                 snd_iprintf(buffer, " OUT");
216         if (caps & AC_PINCAP_HP_DRV)
217                 snd_iprintf(buffer, " HP");
218         if (caps & AC_PINCAP_EAPD)
219                 snd_iprintf(buffer, " EAPD");
220         if (caps & AC_PINCAP_PRES_DETECT)
221                 snd_iprintf(buffer, " Detect");
222         if (caps & AC_PINCAP_BALANCE)
223                 snd_iprintf(buffer, " Balanced");
224         if (caps & AC_PINCAP_HDMI) {
225                 /* Realtek uses this bit as a different meaning */
226                 if ((codec->vendor_id >> 16) == 0x10ec)
227                         snd_iprintf(buffer, " R/L");
228                 else
229                         snd_iprintf(buffer, " HDMI");
230         }
231         if (caps & AC_PINCAP_TRIG_REQ)
232                 snd_iprintf(buffer, " Trigger");
233         if (caps & AC_PINCAP_IMP_SENSE)
234                 snd_iprintf(buffer, " ImpSense");
235         snd_iprintf(buffer, "\n");
236         if (caps & AC_PINCAP_VREF) {
237                 unsigned int vref =
238                         (caps & AC_PINCAP_VREF) >> AC_PINCAP_VREF_SHIFT;
239                 snd_iprintf(buffer, "    Vref caps:");
240                 if (vref & AC_PINCAP_VREF_HIZ)
241                         snd_iprintf(buffer, " HIZ");
242                 if (vref & AC_PINCAP_VREF_50)
243                         snd_iprintf(buffer, " 50");
244                 if (vref & AC_PINCAP_VREF_GRD)
245                         snd_iprintf(buffer, " GRD");
246                 if (vref & AC_PINCAP_VREF_80)
247                         snd_iprintf(buffer, " 80");
248                 if (vref & AC_PINCAP_VREF_100)
249                         snd_iprintf(buffer, " 100");
250                 snd_iprintf(buffer, "\n");
251                 *supports_vref = 1;
252         } else
253                 *supports_vref = 0;
254         if (caps & AC_PINCAP_EAPD) {
255                 val = snd_hda_codec_read(codec, nid, 0,
256                                          AC_VERB_GET_EAPD_BTLENABLE, 0);
257                 snd_iprintf(buffer, "  EAPD 0x%x:", val);
258                 if (val & AC_EAPDBTL_BALANCED)
259                         snd_iprintf(buffer, " BALANCED");
260                 if (val & AC_EAPDBTL_EAPD)
261                         snd_iprintf(buffer, " EAPD");
262                 if (val & AC_EAPDBTL_LR_SWAP)
263                         snd_iprintf(buffer, " R/L");
264                 snd_iprintf(buffer, "\n");
265         }
266         caps = snd_hda_codec_read(codec, nid, 0, AC_VERB_GET_CONFIG_DEFAULT, 0);
267         snd_iprintf(buffer, "  Pin Default 0x%08x: [%s] %s at %s %s\n", caps,
268                     jack_conns[(caps & AC_DEFCFG_PORT_CONN) >> AC_DEFCFG_PORT_CONN_SHIFT],
269                     snd_hda_get_jack_type(caps),
270                     snd_hda_get_jack_connectivity(caps),
271                     snd_hda_get_jack_location(caps));
272         snd_iprintf(buffer, "    Conn = %s, Color = %s\n",
273                     get_jack_connection(caps),
274                     get_jack_color(caps));
275         /* Default association and sequence values refer to default grouping
276          * of pin complexes and their sequence within the group. This is used
277          * for priority and resource allocation.
278          */
279         snd_iprintf(buffer, "    DefAssociation = 0x%x, Sequence = 0x%x\n",
280                     (caps & AC_DEFCFG_DEF_ASSOC) >> AC_DEFCFG_ASSOC_SHIFT,
281                     caps & AC_DEFCFG_SEQUENCE);
282         if (((caps & AC_DEFCFG_MISC) >> AC_DEFCFG_MISC_SHIFT) &
283             AC_DEFCFG_MISC_NO_PRESENCE) {
284                 /* Miscellaneous bit indicates external hardware does not
285                  * support presence detection even if the pin complex
286                  * indicates it is supported.
287                  */
288                 snd_iprintf(buffer, "    Misc = NO_PRESENCE\n");
289         }
290 }
291
292 static void print_pin_ctls(struct snd_info_buffer *buffer,
293                            struct hda_codec *codec, hda_nid_t nid,
294                            int supports_vref)
295 {
296         unsigned int pinctls;
297
298         pinctls = snd_hda_codec_read(codec, nid, 0,
299                                      AC_VERB_GET_PIN_WIDGET_CONTROL, 0);
300         snd_iprintf(buffer, "  Pin-ctls: 0x%02x:", pinctls);
301         if (pinctls & AC_PINCTL_IN_EN)
302                 snd_iprintf(buffer, " IN");
303         if (pinctls & AC_PINCTL_OUT_EN)
304                 snd_iprintf(buffer, " OUT");
305         if (pinctls & AC_PINCTL_HP_EN)
306                 snd_iprintf(buffer, " HP");
307         if (supports_vref) {
308                 int vref = pinctls & AC_PINCTL_VREFEN;
309                 switch (vref) {
310                 case AC_PINCTL_VREF_HIZ:
311                         snd_iprintf(buffer, " VREF_HIZ");
312                         break;
313                 case AC_PINCTL_VREF_50:
314                         snd_iprintf(buffer, " VREF_50");
315                         break;
316                 case AC_PINCTL_VREF_GRD:
317                         snd_iprintf(buffer, " VREF_GRD");
318                         break;
319                 case AC_PINCTL_VREF_80:
320                         snd_iprintf(buffer, " VREF_80");
321                         break;
322                 case AC_PINCTL_VREF_100:
323                         snd_iprintf(buffer, " VREF_100");
324                         break;
325                 }
326         }
327         snd_iprintf(buffer, "\n");
328 }
329
330 static void print_vol_knob(struct snd_info_buffer *buffer,
331                            struct hda_codec *codec, hda_nid_t nid)
332 {
333         unsigned int cap = snd_hda_param_read(codec, nid,
334                                               AC_PAR_VOL_KNB_CAP);
335         snd_iprintf(buffer, "  Volume-Knob: delta=%d, steps=%d, ",
336                     (cap >> 7) & 1, cap & 0x7f);
337         cap = snd_hda_codec_read(codec, nid, 0,
338                                  AC_VERB_GET_VOLUME_KNOB_CONTROL, 0);
339         snd_iprintf(buffer, "direct=%d, val=%d\n",
340                     (cap >> 7) & 1, cap & 0x7f);
341 }
342
343 static void print_audio_io(struct snd_info_buffer *buffer,
344                            struct hda_codec *codec, hda_nid_t nid,
345                            unsigned int wid_type)
346 {
347         int conv = snd_hda_codec_read(codec, nid, 0, AC_VERB_GET_CONV, 0);
348         snd_iprintf(buffer,
349                     "  Converter: stream=%d, channel=%d\n",
350                     (conv & AC_CONV_STREAM) >> AC_CONV_STREAM_SHIFT,
351                     conv & AC_CONV_CHANNEL);
352
353         if (wid_type == AC_WID_AUD_IN && (conv & AC_CONV_CHANNEL) == 0) {
354                 int sdi = snd_hda_codec_read(codec, nid, 0,
355                                              AC_VERB_GET_SDI_SELECT, 0);
356                 snd_iprintf(buffer, "  SDI-Select: %d\n",
357                             sdi & AC_SDI_SELECT);
358         }
359 }
360
361 static void print_digital_conv(struct snd_info_buffer *buffer,
362                                struct hda_codec *codec, hda_nid_t nid)
363 {
364         unsigned int digi1 = snd_hda_codec_read(codec, nid, 0,
365                                                 AC_VERB_GET_DIGI_CONVERT_1, 0);
366         snd_iprintf(buffer, "  Digital:");
367         if (digi1 & AC_DIG1_ENABLE)
368                 snd_iprintf(buffer, " Enabled");
369         if (digi1 & AC_DIG1_V)
370                 snd_iprintf(buffer, " Validity");
371         if (digi1 & AC_DIG1_VCFG)
372                 snd_iprintf(buffer, " ValidityCfg");
373         if (digi1 & AC_DIG1_EMPHASIS)
374                 snd_iprintf(buffer, " Preemphasis");
375         if (digi1 & AC_DIG1_COPYRIGHT)
376                 snd_iprintf(buffer, " Copyright");
377         if (digi1 & AC_DIG1_NONAUDIO)
378                 snd_iprintf(buffer, " Non-Audio");
379         if (digi1 & AC_DIG1_PROFESSIONAL)
380                 snd_iprintf(buffer, " Pro");
381         if (digi1 & AC_DIG1_LEVEL)
382                 snd_iprintf(buffer, " GenLevel");
383         snd_iprintf(buffer, "\n");
384         snd_iprintf(buffer, "  Digital category: 0x%x\n",
385                     (digi1 >> 8) & AC_DIG2_CC);
386 }
387
388 static const char *get_pwr_state(u32 state)
389 {
390         static const char *buf[4] = {
391                 "D0", "D1", "D2", "D3"
392         };
393         if (state < 4)
394                 return buf[state];
395         return "UNKNOWN";
396 }
397
398 static void print_power_state(struct snd_info_buffer *buffer,
399                               struct hda_codec *codec, hda_nid_t nid)
400 {
401         int pwr = snd_hda_codec_read(codec, nid, 0,
402                                      AC_VERB_GET_POWER_STATE, 0);
403         snd_iprintf(buffer, "  Power: setting=%s, actual=%s\n",
404                     get_pwr_state(pwr & AC_PWRST_SETTING),
405                     get_pwr_state((pwr & AC_PWRST_ACTUAL) >>
406                                   AC_PWRST_ACTUAL_SHIFT));
407 }
408
409 static void print_unsol_cap(struct snd_info_buffer *buffer,
410                               struct hda_codec *codec, hda_nid_t nid)
411 {
412         int unsol = snd_hda_codec_read(codec, nid, 0,
413                                        AC_VERB_GET_UNSOLICITED_RESPONSE, 0);
414         snd_iprintf(buffer,
415                     "  Unsolicited: tag=%02x, enabled=%d\n",
416                     unsol & AC_UNSOL_TAG,
417                     (unsol & AC_UNSOL_ENABLED) ? 1 : 0);
418 }
419
420 static void print_proc_caps(struct snd_info_buffer *buffer,
421                             struct hda_codec *codec, hda_nid_t nid)
422 {
423         unsigned int proc_caps = snd_hda_param_read(codec, nid,
424                                                     AC_PAR_PROC_CAP);
425         snd_iprintf(buffer, "  Processing caps: benign=%d, ncoeff=%d\n",
426                     proc_caps & AC_PCAP_BENIGN,
427                     (proc_caps & AC_PCAP_NUM_COEF) >> AC_PCAP_NUM_COEF_SHIFT);
428 }
429
430 static void print_conn_list(struct snd_info_buffer *buffer,
431                             struct hda_codec *codec, hda_nid_t nid,
432                             unsigned int wid_type, hda_nid_t *conn,
433                             int conn_len)
434 {
435         int c, curr = -1;
436
437         if (conn_len > 1 &&
438             wid_type != AC_WID_AUD_MIX &&
439             wid_type != AC_WID_VOL_KNB &&
440             wid_type != AC_WID_POWER)
441                 curr = snd_hda_codec_read(codec, nid, 0,
442                                           AC_VERB_GET_CONNECT_SEL, 0);
443         snd_iprintf(buffer, "  Connection: %d\n", conn_len);
444         if (conn_len > 0) {
445                 snd_iprintf(buffer, "    ");
446                 for (c = 0; c < conn_len; c++) {
447                         snd_iprintf(buffer, " 0x%02x", conn[c]);
448                         if (c == curr)
449                                 snd_iprintf(buffer, "*");
450                 }
451                 snd_iprintf(buffer, "\n");
452         }
453 }
454
455 static void print_gpio(struct snd_info_buffer *buffer,
456                        struct hda_codec *codec, hda_nid_t nid)
457 {
458         unsigned int gpio =
459                 snd_hda_param_read(codec, codec->afg, AC_PAR_GPIO_CAP);
460         unsigned int enable, direction, wake, unsol, sticky, data;
461         int i, max;
462         snd_iprintf(buffer, "GPIO: io=%d, o=%d, i=%d, "
463                     "unsolicited=%d, wake=%d\n",
464                     gpio & AC_GPIO_IO_COUNT,
465                     (gpio & AC_GPIO_O_COUNT) >> AC_GPIO_O_COUNT_SHIFT,
466                     (gpio & AC_GPIO_I_COUNT) >> AC_GPIO_I_COUNT_SHIFT,
467                     (gpio & AC_GPIO_UNSOLICITED) ? 1 : 0,
468                     (gpio & AC_GPIO_WAKE) ? 1 : 0);
469         max = gpio & AC_GPIO_IO_COUNT;
470         if (!max || max > 8)
471                 return;
472         enable = snd_hda_codec_read(codec, nid, 0,
473                                     AC_VERB_GET_GPIO_MASK, 0);
474         direction = snd_hda_codec_read(codec, nid, 0,
475                                        AC_VERB_GET_GPIO_DIRECTION, 0);
476         wake = snd_hda_codec_read(codec, nid, 0,
477                                   AC_VERB_GET_GPIO_WAKE_MASK, 0);
478         unsol  = snd_hda_codec_read(codec, nid, 0,
479                                     AC_VERB_GET_GPIO_UNSOLICITED_RSP_MASK, 0);
480         sticky = snd_hda_codec_read(codec, nid, 0,
481                                     AC_VERB_GET_GPIO_STICKY_MASK, 0);
482         data = snd_hda_codec_read(codec, nid, 0,
483                                   AC_VERB_GET_GPIO_DATA, 0);
484         for (i = 0; i < max; ++i)
485                 snd_iprintf(buffer,
486                             "  IO[%d]: enable=%d, dir=%d, wake=%d, "
487                             "sticky=%d, data=%d, unsol=%d\n", i,
488                             (enable & (1<<i)) ? 1 : 0,
489                             (direction & (1<<i)) ? 1 : 0,
490                             (wake & (1<<i)) ? 1 : 0,
491                             (sticky & (1<<i)) ? 1 : 0,
492                             (data & (1<<i)) ? 1 : 0,
493                             (unsol & (1<<i)) ? 1 : 0);
494         /* FIXME: add GPO and GPI pin information */
495         print_nid_mixers(buffer, codec, nid);
496 }
497
498 static void print_codec_info(struct snd_info_entry *entry,
499                              struct snd_info_buffer *buffer)
500 {
501         struct hda_codec *codec = entry->private_data;
502         hda_nid_t nid;
503         int i, nodes;
504
505         snd_iprintf(buffer, "Codec: ");
506         if (codec->vendor_name && codec->chip_name)
507                 snd_iprintf(buffer, "%s %s\n",
508                             codec->vendor_name, codec->chip_name);
509         else
510                 snd_iprintf(buffer, "Not Set\n");
511         snd_iprintf(buffer, "Address: %d\n", codec->addr);
512         snd_iprintf(buffer, "Function Id: 0x%x\n", codec->function_id);
513         snd_iprintf(buffer, "Vendor Id: 0x%08x\n", codec->vendor_id);
514         snd_iprintf(buffer, "Subsystem Id: 0x%08x\n", codec->subsystem_id);
515         snd_iprintf(buffer, "Revision Id: 0x%x\n", codec->revision_id);
516
517         if (codec->mfg)
518                 snd_iprintf(buffer, "Modem Function Group: 0x%x\n", codec->mfg);
519         else
520                 snd_iprintf(buffer, "No Modem Function Group found\n");
521
522         if (! codec->afg)
523                 return;
524         snd_hda_power_up(codec);
525         snd_iprintf(buffer, "Default PCM:\n");
526         print_pcm_caps(buffer, codec, codec->afg);
527         snd_iprintf(buffer, "Default Amp-In caps: ");
528         print_amp_caps(buffer, codec, codec->afg, HDA_INPUT);
529         snd_iprintf(buffer, "Default Amp-Out caps: ");
530         print_amp_caps(buffer, codec, codec->afg, HDA_OUTPUT);
531
532         nodes = snd_hda_get_sub_nodes(codec, codec->afg, &nid);
533         if (! nid || nodes < 0) {
534                 snd_iprintf(buffer, "Invalid AFG subtree\n");
535                 snd_hda_power_down(codec);
536                 return;
537         }
538
539         print_gpio(buffer, codec, codec->afg);
540         if (codec->proc_widget_hook)
541                 codec->proc_widget_hook(buffer, codec, codec->afg);
542
543         for (i = 0; i < nodes; i++, nid++) {
544                 unsigned int wid_caps =
545                         snd_hda_param_read(codec, nid,
546                                            AC_PAR_AUDIO_WIDGET_CAP);
547                 unsigned int wid_type = get_wcaps_type(wid_caps);
548                 hda_nid_t conn[HDA_MAX_CONNECTIONS];
549                 int conn_len = 0;
550
551                 snd_iprintf(buffer, "Node 0x%02x [%s] wcaps 0x%x:", nid,
552                             get_wid_type_name(wid_type), wid_caps);
553                 if (wid_caps & AC_WCAP_STEREO) {
554                         unsigned int chans = get_wcaps_channels(wid_caps);
555                         if (chans == 2)
556                                 snd_iprintf(buffer, " Stereo");
557                         else
558                                 snd_iprintf(buffer, " %d-Channels", chans);
559                 } else
560                         snd_iprintf(buffer, " Mono");
561                 if (wid_caps & AC_WCAP_DIGITAL)
562                         snd_iprintf(buffer, " Digital");
563                 if (wid_caps & AC_WCAP_IN_AMP)
564                         snd_iprintf(buffer, " Amp-In");
565                 if (wid_caps & AC_WCAP_OUT_AMP)
566                         snd_iprintf(buffer, " Amp-Out");
567                 if (wid_caps & AC_WCAP_STRIPE)
568                         snd_iprintf(buffer, " Stripe");
569                 if (wid_caps & AC_WCAP_LR_SWAP)
570                         snd_iprintf(buffer, " R/L");
571                 if (wid_caps & AC_WCAP_CP_CAPS)
572                         snd_iprintf(buffer, " CP");
573                 snd_iprintf(buffer, "\n");
574
575                 print_nid_mixers(buffer, codec, nid);
576                 print_nid_pcms(buffer, codec, nid);
577
578                 /* volume knob is a special widget that always have connection
579                  * list
580                  */
581                 if (wid_type == AC_WID_VOL_KNB)
582                         wid_caps |= AC_WCAP_CONN_LIST;
583
584                 if (wid_caps & AC_WCAP_CONN_LIST)
585                         conn_len = snd_hda_get_connections(codec, nid, conn,
586                                                            HDA_MAX_CONNECTIONS);
587
588                 if (wid_caps & AC_WCAP_IN_AMP) {
589                         snd_iprintf(buffer, "  Amp-In caps: ");
590                         print_amp_caps(buffer, codec, nid, HDA_INPUT);
591                         snd_iprintf(buffer, "  Amp-In vals: ");
592                         print_amp_vals(buffer, codec, nid, HDA_INPUT,
593                                        wid_caps & AC_WCAP_STEREO,
594                                        wid_type == AC_WID_PIN ? 1 : conn_len);
595                 }
596                 if (wid_caps & AC_WCAP_OUT_AMP) {
597                         snd_iprintf(buffer, "  Amp-Out caps: ");
598                         print_amp_caps(buffer, codec, nid, HDA_OUTPUT);
599                         snd_iprintf(buffer, "  Amp-Out vals: ");
600                         if (wid_type == AC_WID_PIN &&
601                             codec->pin_amp_workaround)
602                                 print_amp_vals(buffer, codec, nid, HDA_OUTPUT,
603                                                wid_caps & AC_WCAP_STEREO,
604                                                conn_len);
605                         else
606                                 print_amp_vals(buffer, codec, nid, HDA_OUTPUT,
607                                                wid_caps & AC_WCAP_STEREO, 1);
608                 }
609
610                 switch (wid_type) {
611                 case AC_WID_PIN: {
612                         int supports_vref;
613                         print_pin_caps(buffer, codec, nid, &supports_vref);
614                         print_pin_ctls(buffer, codec, nid, supports_vref);
615                         break;
616                 }
617                 case AC_WID_VOL_KNB:
618                         print_vol_knob(buffer, codec, nid);
619                         break;
620                 case AC_WID_AUD_OUT:
621                 case AC_WID_AUD_IN:
622                         print_audio_io(buffer, codec, nid, wid_type);
623                         if (wid_caps & AC_WCAP_DIGITAL)
624                                 print_digital_conv(buffer, codec, nid);
625                         if (wid_caps & AC_WCAP_FORMAT_OVRD) {
626                                 snd_iprintf(buffer, "  PCM:\n");
627                                 print_pcm_caps(buffer, codec, nid);
628                         }
629                         break;
630                 }
631
632                 if (wid_caps & AC_WCAP_UNSOL_CAP)
633                         print_unsol_cap(buffer, codec, nid);
634
635                 if (wid_caps & AC_WCAP_POWER)
636                         print_power_state(buffer, codec, nid);
637
638                 if (wid_caps & AC_WCAP_DELAY)
639                         snd_iprintf(buffer, "  Delay: %d samples\n",
640                                     (wid_caps & AC_WCAP_DELAY) >>
641                                     AC_WCAP_DELAY_SHIFT);
642
643                 if (wid_caps & AC_WCAP_CONN_LIST)
644                         print_conn_list(buffer, codec, nid, wid_type,
645                                         conn, conn_len);
646
647                 if (wid_caps & AC_WCAP_PROC_WID)
648                         print_proc_caps(buffer, codec, nid);
649
650                 if (codec->proc_widget_hook)
651                         codec->proc_widget_hook(buffer, codec, nid);
652         }
653         snd_hda_power_down(codec);
654 }
655
656 /*
657  * create a proc read
658  */
659 int snd_hda_codec_proc_new(struct hda_codec *codec)
660 {
661         char name[32];
662         struct snd_info_entry *entry;
663         int err;
664
665         snprintf(name, sizeof(name), "codec#%d", codec->addr);
666         err = snd_card_proc_new(codec->bus->card, name, &entry);
667         if (err < 0)
668                 return err;
669
670         snd_info_set_text_ops(entry, codec, print_codec_info);
671         return 0;
672 }
673