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Merge tag 'for-4.1' of git://git.kernel.org/pub/scm/linux/kernel/git/kishon/linux...
[deliverable/linux.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 <linux/slab.h>
26 #include <sound/core.h>
27 #include <linux/module.h>
28 #include "hda_codec.h"
29 #include "hda_local.h"
30
31 static int dump_coef = -1;
32 module_param(dump_coef, int, 0644);
33 MODULE_PARM_DESC(dump_coef, "Dump processing coefficients in codec proc file (-1=auto, 0=disable, 1=enable)");
34
35 static char *bits_names(unsigned int bits, char *names[], int size)
36 {
37 int i, n;
38 static char buf[128];
39
40 for (i = 0, n = 0; i < size; i++) {
41 if (bits & (1U<<i) && names[i])
42 n += snprintf(buf + n, sizeof(buf) - n, " %s",
43 names[i]);
44 }
45 buf[n] = '\0';
46
47 return buf;
48 }
49
50 static const char *get_wid_type_name(unsigned int wid_value)
51 {
52 static char *names[16] = {
53 [AC_WID_AUD_OUT] = "Audio Output",
54 [AC_WID_AUD_IN] = "Audio Input",
55 [AC_WID_AUD_MIX] = "Audio Mixer",
56 [AC_WID_AUD_SEL] = "Audio Selector",
57 [AC_WID_PIN] = "Pin Complex",
58 [AC_WID_POWER] = "Power Widget",
59 [AC_WID_VOL_KNB] = "Volume Knob Widget",
60 [AC_WID_BEEP] = "Beep Generator Widget",
61 [AC_WID_VENDOR] = "Vendor Defined Widget",
62 };
63 if (wid_value == -1)
64 return "UNKNOWN Widget";
65 wid_value &= 0xf;
66 if (names[wid_value])
67 return names[wid_value];
68 else
69 return "UNKNOWN Widget";
70 }
71
72 static void print_nid_array(struct snd_info_buffer *buffer,
73 struct hda_codec *codec, hda_nid_t nid,
74 struct snd_array *array)
75 {
76 int i;
77 struct hda_nid_item *items = array->list, *item;
78 struct snd_kcontrol *kctl;
79 for (i = 0; i < array->used; i++) {
80 item = &items[i];
81 if (item->nid == nid) {
82 kctl = item->kctl;
83 snd_iprintf(buffer,
84 " Control: name=\"%s\", index=%i, device=%i\n",
85 kctl->id.name, kctl->id.index + item->index,
86 kctl->id.device);
87 if (item->flags & HDA_NID_ITEM_AMP)
88 snd_iprintf(buffer,
89 " ControlAmp: chs=%lu, dir=%s, "
90 "idx=%lu, ofs=%lu\n",
91 get_amp_channels(kctl),
92 get_amp_direction(kctl) ? "Out" : "In",
93 get_amp_index(kctl),
94 get_amp_offset(kctl));
95 }
96 }
97 }
98
99 static void print_nid_pcms(struct snd_info_buffer *buffer,
100 struct hda_codec *codec, hda_nid_t nid)
101 {
102 int pcm, type;
103 struct hda_pcm *cpcm;
104 for (pcm = 0; pcm < codec->num_pcms; pcm++) {
105 cpcm = &codec->pcm_info[pcm];
106 for (type = 0; type < 2; type++) {
107 if (cpcm->stream[type].nid != nid || cpcm->pcm == NULL)
108 continue;
109 snd_iprintf(buffer, " Device: name=\"%s\", "
110 "type=\"%s\", device=%i\n",
111 cpcm->name,
112 snd_hda_pcm_type_name[cpcm->pcm_type],
113 cpcm->pcm->device);
114 }
115 }
116 }
117
118 static void print_amp_caps(struct snd_info_buffer *buffer,
119 struct hda_codec *codec, hda_nid_t nid, int dir)
120 {
121 unsigned int caps;
122 caps = snd_hda_param_read(codec, nid,
123 dir == HDA_OUTPUT ?
124 AC_PAR_AMP_OUT_CAP : AC_PAR_AMP_IN_CAP);
125 if (caps == -1 || caps == 0) {
126 snd_iprintf(buffer, "N/A\n");
127 return;
128 }
129 snd_iprintf(buffer, "ofs=0x%02x, nsteps=0x%02x, stepsize=0x%02x, "
130 "mute=%x\n",
131 caps & AC_AMPCAP_OFFSET,
132 (caps & AC_AMPCAP_NUM_STEPS) >> AC_AMPCAP_NUM_STEPS_SHIFT,
133 (caps & AC_AMPCAP_STEP_SIZE) >> AC_AMPCAP_STEP_SIZE_SHIFT,
134 (caps & AC_AMPCAP_MUTE) >> AC_AMPCAP_MUTE_SHIFT);
135 }
136
137 /* is this a stereo widget or a stereo-to-mono mix? */
138 static bool is_stereo_amps(struct hda_codec *codec, hda_nid_t nid,
139 int dir, unsigned int wcaps, int indices)
140 {
141 hda_nid_t conn;
142
143 if (wcaps & AC_WCAP_STEREO)
144 return true;
145 /* check for a stereo-to-mono mix; it must be:
146 * only a single connection, only for input, and only a mixer widget
147 */
148 if (indices != 1 || dir != HDA_INPUT ||
149 get_wcaps_type(wcaps) != AC_WID_AUD_MIX)
150 return false;
151
152 if (snd_hda_get_raw_connections(codec, nid, &conn, 1) < 0)
153 return false;
154 /* the connection source is a stereo? */
155 wcaps = snd_hda_param_read(codec, conn, AC_PAR_AUDIO_WIDGET_CAP);
156 return !!(wcaps & AC_WCAP_STEREO);
157 }
158
159 static void print_amp_vals(struct snd_info_buffer *buffer,
160 struct hda_codec *codec, hda_nid_t nid,
161 int dir, unsigned int wcaps, int indices)
162 {
163 unsigned int val;
164 bool stereo;
165 int i;
166
167 stereo = is_stereo_amps(codec, nid, dir, wcaps, indices);
168
169 dir = dir == HDA_OUTPUT ? AC_AMP_GET_OUTPUT : AC_AMP_GET_INPUT;
170 for (i = 0; i < indices; i++) {
171 snd_iprintf(buffer, " [");
172 val = snd_hda_codec_read(codec, nid, 0,
173 AC_VERB_GET_AMP_GAIN_MUTE,
174 AC_AMP_GET_LEFT | dir | i);
175 snd_iprintf(buffer, "0x%02x", val);
176 if (stereo) {
177 val = snd_hda_codec_read(codec, nid, 0,
178 AC_VERB_GET_AMP_GAIN_MUTE,
179 AC_AMP_GET_RIGHT | dir | i);
180 snd_iprintf(buffer, " 0x%02x", val);
181 }
182 snd_iprintf(buffer, "]");
183 }
184 snd_iprintf(buffer, "\n");
185 }
186
187 static void print_pcm_rates(struct snd_info_buffer *buffer, unsigned int pcm)
188 {
189 static unsigned int rates[] = {
190 8000, 11025, 16000, 22050, 32000, 44100, 48000, 88200,
191 96000, 176400, 192000, 384000
192 };
193 int i;
194
195 pcm &= AC_SUPPCM_RATES;
196 snd_iprintf(buffer, " rates [0x%x]:", pcm);
197 for (i = 0; i < ARRAY_SIZE(rates); i++)
198 if (pcm & (1 << i))
199 snd_iprintf(buffer, " %d", rates[i]);
200 snd_iprintf(buffer, "\n");
201 }
202
203 static void print_pcm_bits(struct snd_info_buffer *buffer, unsigned int pcm)
204 {
205 char buf[SND_PRINT_BITS_ADVISED_BUFSIZE];
206
207 snd_iprintf(buffer, " bits [0x%x]:", (pcm >> 16) & 0xff);
208 snd_print_pcm_bits(pcm, buf, sizeof(buf));
209 snd_iprintf(buffer, "%s\n", buf);
210 }
211
212 static void print_pcm_formats(struct snd_info_buffer *buffer,
213 unsigned int streams)
214 {
215 snd_iprintf(buffer, " formats [0x%x]:", streams & 0xf);
216 if (streams & AC_SUPFMT_PCM)
217 snd_iprintf(buffer, " PCM");
218 if (streams & AC_SUPFMT_FLOAT32)
219 snd_iprintf(buffer, " FLOAT");
220 if (streams & AC_SUPFMT_AC3)
221 snd_iprintf(buffer, " AC3");
222 snd_iprintf(buffer, "\n");
223 }
224
225 static void print_pcm_caps(struct snd_info_buffer *buffer,
226 struct hda_codec *codec, hda_nid_t nid)
227 {
228 unsigned int pcm = snd_hda_param_read(codec, nid, AC_PAR_PCM);
229 unsigned int stream = snd_hda_param_read(codec, nid, AC_PAR_STREAM);
230 if (pcm == -1 || stream == -1) {
231 snd_iprintf(buffer, "N/A\n");
232 return;
233 }
234 print_pcm_rates(buffer, pcm);
235 print_pcm_bits(buffer, pcm);
236 print_pcm_formats(buffer, stream);
237 }
238
239 static const char *get_jack_connection(u32 cfg)
240 {
241 static char *names[16] = {
242 "Unknown", "1/8", "1/4", "ATAPI",
243 "RCA", "Optical","Digital", "Analog",
244 "DIN", "XLR", "RJ11", "Comb",
245 NULL, NULL, NULL, "Other"
246 };
247 cfg = (cfg & AC_DEFCFG_CONN_TYPE) >> AC_DEFCFG_CONN_TYPE_SHIFT;
248 if (names[cfg])
249 return names[cfg];
250 else
251 return "UNKNOWN";
252 }
253
254 static const char *get_jack_color(u32 cfg)
255 {
256 static char *names[16] = {
257 "Unknown", "Black", "Grey", "Blue",
258 "Green", "Red", "Orange", "Yellow",
259 "Purple", "Pink", NULL, NULL,
260 NULL, NULL, "White", "Other",
261 };
262 cfg = (cfg & AC_DEFCFG_COLOR) >> AC_DEFCFG_COLOR_SHIFT;
263 if (names[cfg])
264 return names[cfg];
265 else
266 return "UNKNOWN";
267 }
268
269 static void print_pin_caps(struct snd_info_buffer *buffer,
270 struct hda_codec *codec, hda_nid_t nid,
271 int *supports_vref)
272 {
273 static char *jack_conns[4] = { "Jack", "N/A", "Fixed", "Both" };
274 unsigned int caps, val;
275
276 caps = snd_hda_param_read(codec, nid, AC_PAR_PIN_CAP);
277 snd_iprintf(buffer, " Pincap 0x%08x:", caps);
278 if (caps & AC_PINCAP_IN)
279 snd_iprintf(buffer, " IN");
280 if (caps & AC_PINCAP_OUT)
281 snd_iprintf(buffer, " OUT");
282 if (caps & AC_PINCAP_HP_DRV)
283 snd_iprintf(buffer, " HP");
284 if (caps & AC_PINCAP_EAPD)
285 snd_iprintf(buffer, " EAPD");
286 if (caps & AC_PINCAP_PRES_DETECT)
287 snd_iprintf(buffer, " Detect");
288 if (caps & AC_PINCAP_BALANCE)
289 snd_iprintf(buffer, " Balanced");
290 if (caps & AC_PINCAP_HDMI) {
291 /* Realtek uses this bit as a different meaning */
292 if ((codec->vendor_id >> 16) == 0x10ec)
293 snd_iprintf(buffer, " R/L");
294 else {
295 if (caps & AC_PINCAP_HBR)
296 snd_iprintf(buffer, " HBR");
297 snd_iprintf(buffer, " HDMI");
298 }
299 }
300 if (caps & AC_PINCAP_DP)
301 snd_iprintf(buffer, " DP");
302 if (caps & AC_PINCAP_TRIG_REQ)
303 snd_iprintf(buffer, " Trigger");
304 if (caps & AC_PINCAP_IMP_SENSE)
305 snd_iprintf(buffer, " ImpSense");
306 snd_iprintf(buffer, "\n");
307 if (caps & AC_PINCAP_VREF) {
308 unsigned int vref =
309 (caps & AC_PINCAP_VREF) >> AC_PINCAP_VREF_SHIFT;
310 snd_iprintf(buffer, " Vref caps:");
311 if (vref & AC_PINCAP_VREF_HIZ)
312 snd_iprintf(buffer, " HIZ");
313 if (vref & AC_PINCAP_VREF_50)
314 snd_iprintf(buffer, " 50");
315 if (vref & AC_PINCAP_VREF_GRD)
316 snd_iprintf(buffer, " GRD");
317 if (vref & AC_PINCAP_VREF_80)
318 snd_iprintf(buffer, " 80");
319 if (vref & AC_PINCAP_VREF_100)
320 snd_iprintf(buffer, " 100");
321 snd_iprintf(buffer, "\n");
322 *supports_vref = 1;
323 } else
324 *supports_vref = 0;
325 if (caps & AC_PINCAP_EAPD) {
326 val = snd_hda_codec_read(codec, nid, 0,
327 AC_VERB_GET_EAPD_BTLENABLE, 0);
328 snd_iprintf(buffer, " EAPD 0x%x:", val);
329 if (val & AC_EAPDBTL_BALANCED)
330 snd_iprintf(buffer, " BALANCED");
331 if (val & AC_EAPDBTL_EAPD)
332 snd_iprintf(buffer, " EAPD");
333 if (val & AC_EAPDBTL_LR_SWAP)
334 snd_iprintf(buffer, " R/L");
335 snd_iprintf(buffer, "\n");
336 }
337 caps = snd_hda_codec_read(codec, nid, 0, AC_VERB_GET_CONFIG_DEFAULT, 0);
338 snd_iprintf(buffer, " Pin Default 0x%08x: [%s] %s at %s %s\n", caps,
339 jack_conns[(caps & AC_DEFCFG_PORT_CONN) >> AC_DEFCFG_PORT_CONN_SHIFT],
340 snd_hda_get_jack_type(caps),
341 snd_hda_get_jack_connectivity(caps),
342 snd_hda_get_jack_location(caps));
343 snd_iprintf(buffer, " Conn = %s, Color = %s\n",
344 get_jack_connection(caps),
345 get_jack_color(caps));
346 /* Default association and sequence values refer to default grouping
347 * of pin complexes and their sequence within the group. This is used
348 * for priority and resource allocation.
349 */
350 snd_iprintf(buffer, " DefAssociation = 0x%x, Sequence = 0x%x\n",
351 (caps & AC_DEFCFG_DEF_ASSOC) >> AC_DEFCFG_ASSOC_SHIFT,
352 caps & AC_DEFCFG_SEQUENCE);
353 if (((caps & AC_DEFCFG_MISC) >> AC_DEFCFG_MISC_SHIFT) &
354 AC_DEFCFG_MISC_NO_PRESENCE) {
355 /* Miscellaneous bit indicates external hardware does not
356 * support presence detection even if the pin complex
357 * indicates it is supported.
358 */
359 snd_iprintf(buffer, " Misc = NO_PRESENCE\n");
360 }
361 }
362
363 static void print_pin_ctls(struct snd_info_buffer *buffer,
364 struct hda_codec *codec, hda_nid_t nid,
365 int supports_vref)
366 {
367 unsigned int pinctls;
368
369 pinctls = snd_hda_codec_read(codec, nid, 0,
370 AC_VERB_GET_PIN_WIDGET_CONTROL, 0);
371 snd_iprintf(buffer, " Pin-ctls: 0x%02x:", pinctls);
372 if (pinctls & AC_PINCTL_IN_EN)
373 snd_iprintf(buffer, " IN");
374 if (pinctls & AC_PINCTL_OUT_EN)
375 snd_iprintf(buffer, " OUT");
376 if (pinctls & AC_PINCTL_HP_EN)
377 snd_iprintf(buffer, " HP");
378 if (supports_vref) {
379 int vref = pinctls & AC_PINCTL_VREFEN;
380 switch (vref) {
381 case AC_PINCTL_VREF_HIZ:
382 snd_iprintf(buffer, " VREF_HIZ");
383 break;
384 case AC_PINCTL_VREF_50:
385 snd_iprintf(buffer, " VREF_50");
386 break;
387 case AC_PINCTL_VREF_GRD:
388 snd_iprintf(buffer, " VREF_GRD");
389 break;
390 case AC_PINCTL_VREF_80:
391 snd_iprintf(buffer, " VREF_80");
392 break;
393 case AC_PINCTL_VREF_100:
394 snd_iprintf(buffer, " VREF_100");
395 break;
396 }
397 }
398 snd_iprintf(buffer, "\n");
399 }
400
401 static void print_vol_knob(struct snd_info_buffer *buffer,
402 struct hda_codec *codec, hda_nid_t nid)
403 {
404 unsigned int cap = snd_hda_param_read(codec, nid,
405 AC_PAR_VOL_KNB_CAP);
406 snd_iprintf(buffer, " Volume-Knob: delta=%d, steps=%d, ",
407 (cap >> 7) & 1, cap & 0x7f);
408 cap = snd_hda_codec_read(codec, nid, 0,
409 AC_VERB_GET_VOLUME_KNOB_CONTROL, 0);
410 snd_iprintf(buffer, "direct=%d, val=%d\n",
411 (cap >> 7) & 1, cap & 0x7f);
412 }
413
414 static void print_audio_io(struct snd_info_buffer *buffer,
415 struct hda_codec *codec, hda_nid_t nid,
416 unsigned int wid_type)
417 {
418 int conv = snd_hda_codec_read(codec, nid, 0, AC_VERB_GET_CONV, 0);
419 snd_iprintf(buffer,
420 " Converter: stream=%d, channel=%d\n",
421 (conv & AC_CONV_STREAM) >> AC_CONV_STREAM_SHIFT,
422 conv & AC_CONV_CHANNEL);
423
424 if (wid_type == AC_WID_AUD_IN && (conv & AC_CONV_CHANNEL) == 0) {
425 int sdi = snd_hda_codec_read(codec, nid, 0,
426 AC_VERB_GET_SDI_SELECT, 0);
427 snd_iprintf(buffer, " SDI-Select: %d\n",
428 sdi & AC_SDI_SELECT);
429 }
430 }
431
432 static void print_digital_conv(struct snd_info_buffer *buffer,
433 struct hda_codec *codec, hda_nid_t nid)
434 {
435 unsigned int digi1 = snd_hda_codec_read(codec, nid, 0,
436 AC_VERB_GET_DIGI_CONVERT_1, 0);
437 unsigned char digi2 = digi1 >> 8;
438 unsigned char digi3 = digi1 >> 16;
439
440 snd_iprintf(buffer, " Digital:");
441 if (digi1 & AC_DIG1_ENABLE)
442 snd_iprintf(buffer, " Enabled");
443 if (digi1 & AC_DIG1_V)
444 snd_iprintf(buffer, " Validity");
445 if (digi1 & AC_DIG1_VCFG)
446 snd_iprintf(buffer, " ValidityCfg");
447 if (digi1 & AC_DIG1_EMPHASIS)
448 snd_iprintf(buffer, " Preemphasis");
449 if (digi1 & AC_DIG1_COPYRIGHT)
450 snd_iprintf(buffer, " Non-Copyright");
451 if (digi1 & AC_DIG1_NONAUDIO)
452 snd_iprintf(buffer, " Non-Audio");
453 if (digi1 & AC_DIG1_PROFESSIONAL)
454 snd_iprintf(buffer, " Pro");
455 if (digi1 & AC_DIG1_LEVEL)
456 snd_iprintf(buffer, " GenLevel");
457 if (digi3 & AC_DIG3_KAE)
458 snd_iprintf(buffer, " KAE");
459 snd_iprintf(buffer, "\n");
460 snd_iprintf(buffer, " Digital category: 0x%x\n",
461 digi2 & AC_DIG2_CC);
462 snd_iprintf(buffer, " IEC Coding Type: 0x%x\n",
463 digi3 & AC_DIG3_ICT);
464 }
465
466 static const char *get_pwr_state(u32 state)
467 {
468 static const char * const buf[] = {
469 "D0", "D1", "D2", "D3", "D3cold"
470 };
471 if (state < ARRAY_SIZE(buf))
472 return buf[state];
473 return "UNKNOWN";
474 }
475
476 static void print_power_state(struct snd_info_buffer *buffer,
477 struct hda_codec *codec, hda_nid_t nid)
478 {
479 static char *names[] = {
480 [ilog2(AC_PWRST_D0SUP)] = "D0",
481 [ilog2(AC_PWRST_D1SUP)] = "D1",
482 [ilog2(AC_PWRST_D2SUP)] = "D2",
483 [ilog2(AC_PWRST_D3SUP)] = "D3",
484 [ilog2(AC_PWRST_D3COLDSUP)] = "D3cold",
485 [ilog2(AC_PWRST_S3D3COLDSUP)] = "S3D3cold",
486 [ilog2(AC_PWRST_CLKSTOP)] = "CLKSTOP",
487 [ilog2(AC_PWRST_EPSS)] = "EPSS",
488 };
489
490 int sup = snd_hda_param_read(codec, nid, AC_PAR_POWER_STATE);
491 int pwr = snd_hda_codec_read(codec, nid, 0,
492 AC_VERB_GET_POWER_STATE, 0);
493 if (sup != -1)
494 snd_iprintf(buffer, " Power states: %s\n",
495 bits_names(sup, names, ARRAY_SIZE(names)));
496
497 snd_iprintf(buffer, " Power: setting=%s, actual=%s",
498 get_pwr_state(pwr & AC_PWRST_SETTING),
499 get_pwr_state((pwr & AC_PWRST_ACTUAL) >>
500 AC_PWRST_ACTUAL_SHIFT));
501 if (pwr & AC_PWRST_ERROR)
502 snd_iprintf(buffer, ", Error");
503 if (pwr & AC_PWRST_CLK_STOP_OK)
504 snd_iprintf(buffer, ", Clock-stop-OK");
505 if (pwr & AC_PWRST_SETTING_RESET)
506 snd_iprintf(buffer, ", Setting-reset");
507 snd_iprintf(buffer, "\n");
508 }
509
510 static void print_unsol_cap(struct snd_info_buffer *buffer,
511 struct hda_codec *codec, hda_nid_t nid)
512 {
513 int unsol = snd_hda_codec_read(codec, nid, 0,
514 AC_VERB_GET_UNSOLICITED_RESPONSE, 0);
515 snd_iprintf(buffer,
516 " Unsolicited: tag=%02x, enabled=%d\n",
517 unsol & AC_UNSOL_TAG,
518 (unsol & AC_UNSOL_ENABLED) ? 1 : 0);
519 }
520
521 static inline bool can_dump_coef(struct hda_codec *codec)
522 {
523 switch (dump_coef) {
524 case 0: return false;
525 case 1: return true;
526 default: return codec->dump_coef;
527 }
528 }
529
530 static void print_proc_caps(struct snd_info_buffer *buffer,
531 struct hda_codec *codec, hda_nid_t nid)
532 {
533 unsigned int i, ncoeff, oldindex;
534 unsigned int proc_caps = snd_hda_param_read(codec, nid,
535 AC_PAR_PROC_CAP);
536 ncoeff = (proc_caps & AC_PCAP_NUM_COEF) >> AC_PCAP_NUM_COEF_SHIFT;
537 snd_iprintf(buffer, " Processing caps: benign=%d, ncoeff=%d\n",
538 proc_caps & AC_PCAP_BENIGN, ncoeff);
539
540 if (!can_dump_coef(codec))
541 return;
542
543 /* Note: This is racy - another process could run in parallel and change
544 the coef index too. */
545 oldindex = snd_hda_codec_read(codec, nid, 0, AC_VERB_GET_COEF_INDEX, 0);
546 for (i = 0; i < ncoeff; i++) {
547 unsigned int val;
548 snd_hda_codec_write(codec, nid, 0, AC_VERB_SET_COEF_INDEX, i);
549 val = snd_hda_codec_read(codec, nid, 0, AC_VERB_GET_PROC_COEF,
550 0);
551 snd_iprintf(buffer, " Coeff 0x%02x: 0x%04x\n", i, val);
552 }
553 snd_hda_codec_write(codec, nid, 0, AC_VERB_SET_COEF_INDEX, oldindex);
554 }
555
556 static void print_conn_list(struct snd_info_buffer *buffer,
557 struct hda_codec *codec, hda_nid_t nid,
558 unsigned int wid_type, hda_nid_t *conn,
559 int conn_len)
560 {
561 int c, curr = -1;
562 const hda_nid_t *list;
563 int cache_len;
564
565 if (conn_len > 1 &&
566 wid_type != AC_WID_AUD_MIX &&
567 wid_type != AC_WID_VOL_KNB &&
568 wid_type != AC_WID_POWER)
569 curr = snd_hda_codec_read(codec, nid, 0,
570 AC_VERB_GET_CONNECT_SEL, 0);
571 snd_iprintf(buffer, " Connection: %d\n", conn_len);
572 if (conn_len > 0) {
573 snd_iprintf(buffer, " ");
574 for (c = 0; c < conn_len; c++) {
575 snd_iprintf(buffer, " 0x%02x", conn[c]);
576 if (c == curr)
577 snd_iprintf(buffer, "*");
578 }
579 snd_iprintf(buffer, "\n");
580 }
581
582 /* Get Cache connections info */
583 cache_len = snd_hda_get_conn_list(codec, nid, &list);
584 if (cache_len != conn_len
585 || memcmp(list, conn, conn_len)) {
586 snd_iprintf(buffer, " In-driver Connection: %d\n", cache_len);
587 if (cache_len > 0) {
588 snd_iprintf(buffer, " ");
589 for (c = 0; c < cache_len; c++)
590 snd_iprintf(buffer, " 0x%02x", list[c]);
591 snd_iprintf(buffer, "\n");
592 }
593 }
594 }
595
596 static void print_gpio(struct snd_info_buffer *buffer,
597 struct hda_codec *codec, hda_nid_t nid)
598 {
599 unsigned int gpio =
600 snd_hda_param_read(codec, codec->afg, AC_PAR_GPIO_CAP);
601 unsigned int enable, direction, wake, unsol, sticky, data;
602 int i, max;
603 snd_iprintf(buffer, "GPIO: io=%d, o=%d, i=%d, "
604 "unsolicited=%d, wake=%d\n",
605 gpio & AC_GPIO_IO_COUNT,
606 (gpio & AC_GPIO_O_COUNT) >> AC_GPIO_O_COUNT_SHIFT,
607 (gpio & AC_GPIO_I_COUNT) >> AC_GPIO_I_COUNT_SHIFT,
608 (gpio & AC_GPIO_UNSOLICITED) ? 1 : 0,
609 (gpio & AC_GPIO_WAKE) ? 1 : 0);
610 max = gpio & AC_GPIO_IO_COUNT;
611 if (!max || max > 8)
612 return;
613 enable = snd_hda_codec_read(codec, nid, 0,
614 AC_VERB_GET_GPIO_MASK, 0);
615 direction = snd_hda_codec_read(codec, nid, 0,
616 AC_VERB_GET_GPIO_DIRECTION, 0);
617 wake = snd_hda_codec_read(codec, nid, 0,
618 AC_VERB_GET_GPIO_WAKE_MASK, 0);
619 unsol = snd_hda_codec_read(codec, nid, 0,
620 AC_VERB_GET_GPIO_UNSOLICITED_RSP_MASK, 0);
621 sticky = snd_hda_codec_read(codec, nid, 0,
622 AC_VERB_GET_GPIO_STICKY_MASK, 0);
623 data = snd_hda_codec_read(codec, nid, 0,
624 AC_VERB_GET_GPIO_DATA, 0);
625 for (i = 0; i < max; ++i)
626 snd_iprintf(buffer,
627 " IO[%d]: enable=%d, dir=%d, wake=%d, "
628 "sticky=%d, data=%d, unsol=%d\n", i,
629 (enable & (1<<i)) ? 1 : 0,
630 (direction & (1<<i)) ? 1 : 0,
631 (wake & (1<<i)) ? 1 : 0,
632 (sticky & (1<<i)) ? 1 : 0,
633 (data & (1<<i)) ? 1 : 0,
634 (unsol & (1<<i)) ? 1 : 0);
635 /* FIXME: add GPO and GPI pin information */
636 print_nid_array(buffer, codec, nid, &codec->mixers);
637 print_nid_array(buffer, codec, nid, &codec->nids);
638 }
639
640 static void print_device_list(struct snd_info_buffer *buffer,
641 struct hda_codec *codec, hda_nid_t nid)
642 {
643 int i, curr = -1;
644 u8 dev_list[AC_MAX_DEV_LIST_LEN];
645 int devlist_len;
646
647 devlist_len = snd_hda_get_devices(codec, nid, dev_list,
648 AC_MAX_DEV_LIST_LEN);
649 snd_iprintf(buffer, " Devices: %d\n", devlist_len);
650 if (devlist_len <= 0)
651 return;
652
653 curr = snd_hda_codec_read(codec, nid, 0,
654 AC_VERB_GET_DEVICE_SEL, 0);
655
656 for (i = 0; i < devlist_len; i++) {
657 if (i == curr)
658 snd_iprintf(buffer, " *");
659 else
660 snd_iprintf(buffer, " ");
661
662 snd_iprintf(buffer,
663 "Dev %02d: PD = %d, ELDV = %d, IA = %d\n", i,
664 !!(dev_list[i] & AC_DE_PD),
665 !!(dev_list[i] & AC_DE_ELDV),
666 !!(dev_list[i] & AC_DE_IA));
667 }
668 }
669
670 static void print_codec_info(struct snd_info_entry *entry,
671 struct snd_info_buffer *buffer)
672 {
673 struct hda_codec *codec = entry->private_data;
674 hda_nid_t nid;
675 int i, nodes;
676
677 snd_iprintf(buffer, "Codec: ");
678 if (codec->vendor_name && codec->chip_name)
679 snd_iprintf(buffer, "%s %s\n",
680 codec->vendor_name, codec->chip_name);
681 else
682 snd_iprintf(buffer, "Not Set\n");
683 snd_iprintf(buffer, "Address: %d\n", codec->addr);
684 if (codec->afg)
685 snd_iprintf(buffer, "AFG Function Id: 0x%x (unsol %u)\n",
686 codec->afg_function_id, codec->afg_unsol);
687 if (codec->mfg)
688 snd_iprintf(buffer, "MFG Function Id: 0x%x (unsol %u)\n",
689 codec->mfg_function_id, codec->mfg_unsol);
690 snd_iprintf(buffer, "Vendor Id: 0x%08x\n", codec->vendor_id);
691 snd_iprintf(buffer, "Subsystem Id: 0x%08x\n", codec->subsystem_id);
692 snd_iprintf(buffer, "Revision Id: 0x%x\n", codec->revision_id);
693
694 if (codec->mfg)
695 snd_iprintf(buffer, "Modem Function Group: 0x%x\n", codec->mfg);
696 else
697 snd_iprintf(buffer, "No Modem Function Group found\n");
698
699 if (! codec->afg)
700 return;
701 snd_hda_power_up(codec);
702 snd_iprintf(buffer, "Default PCM:\n");
703 print_pcm_caps(buffer, codec, codec->afg);
704 snd_iprintf(buffer, "Default Amp-In caps: ");
705 print_amp_caps(buffer, codec, codec->afg, HDA_INPUT);
706 snd_iprintf(buffer, "Default Amp-Out caps: ");
707 print_amp_caps(buffer, codec, codec->afg, HDA_OUTPUT);
708 snd_iprintf(buffer, "State of AFG node 0x%02x:\n", codec->afg);
709 print_power_state(buffer, codec, codec->afg);
710
711 nodes = snd_hda_get_sub_nodes(codec, codec->afg, &nid);
712 if (! nid || nodes < 0) {
713 snd_iprintf(buffer, "Invalid AFG subtree\n");
714 snd_hda_power_down(codec);
715 return;
716 }
717
718 print_gpio(buffer, codec, codec->afg);
719 if (codec->proc_widget_hook)
720 codec->proc_widget_hook(buffer, codec, codec->afg);
721
722 for (i = 0; i < nodes; i++, nid++) {
723 unsigned int wid_caps =
724 snd_hda_param_read(codec, nid,
725 AC_PAR_AUDIO_WIDGET_CAP);
726 unsigned int wid_type = get_wcaps_type(wid_caps);
727 hda_nid_t *conn = NULL;
728 int conn_len = 0;
729
730 snd_iprintf(buffer, "Node 0x%02x [%s] wcaps 0x%x:", nid,
731 get_wid_type_name(wid_type), wid_caps);
732 if (wid_caps & AC_WCAP_STEREO) {
733 unsigned int chans = get_wcaps_channels(wid_caps);
734 if (chans == 2)
735 snd_iprintf(buffer, " Stereo");
736 else
737 snd_iprintf(buffer, " %d-Channels", chans);
738 } else
739 snd_iprintf(buffer, " Mono");
740 if (wid_caps & AC_WCAP_DIGITAL)
741 snd_iprintf(buffer, " Digital");
742 if (wid_caps & AC_WCAP_IN_AMP)
743 snd_iprintf(buffer, " Amp-In");
744 if (wid_caps & AC_WCAP_OUT_AMP)
745 snd_iprintf(buffer, " Amp-Out");
746 if (wid_caps & AC_WCAP_STRIPE)
747 snd_iprintf(buffer, " Stripe");
748 if (wid_caps & AC_WCAP_LR_SWAP)
749 snd_iprintf(buffer, " R/L");
750 if (wid_caps & AC_WCAP_CP_CAPS)
751 snd_iprintf(buffer, " CP");
752 snd_iprintf(buffer, "\n");
753
754 print_nid_array(buffer, codec, nid, &codec->mixers);
755 print_nid_array(buffer, codec, nid, &codec->nids);
756 print_nid_pcms(buffer, codec, nid);
757
758 /* volume knob is a special widget that always have connection
759 * list
760 */
761 if (wid_type == AC_WID_VOL_KNB)
762 wid_caps |= AC_WCAP_CONN_LIST;
763
764 if (wid_caps & AC_WCAP_CONN_LIST) {
765 conn_len = snd_hda_get_num_raw_conns(codec, nid);
766 if (conn_len > 0) {
767 conn = kmalloc(sizeof(hda_nid_t) * conn_len,
768 GFP_KERNEL);
769 if (!conn)
770 return;
771 if (snd_hda_get_raw_connections(codec, nid, conn,
772 conn_len) < 0)
773 conn_len = 0;
774 }
775 }
776
777 if (wid_caps & AC_WCAP_IN_AMP) {
778 snd_iprintf(buffer, " Amp-In caps: ");
779 print_amp_caps(buffer, codec, nid, HDA_INPUT);
780 snd_iprintf(buffer, " Amp-In vals: ");
781 if (wid_type == AC_WID_PIN ||
782 (codec->single_adc_amp &&
783 wid_type == AC_WID_AUD_IN))
784 print_amp_vals(buffer, codec, nid, HDA_INPUT,
785 wid_caps, 1);
786 else
787 print_amp_vals(buffer, codec, nid, HDA_INPUT,
788 wid_caps, conn_len);
789 }
790 if (wid_caps & AC_WCAP_OUT_AMP) {
791 snd_iprintf(buffer, " Amp-Out caps: ");
792 print_amp_caps(buffer, codec, nid, HDA_OUTPUT);
793 snd_iprintf(buffer, " Amp-Out vals: ");
794 if (wid_type == AC_WID_PIN &&
795 codec->pin_amp_workaround)
796 print_amp_vals(buffer, codec, nid, HDA_OUTPUT,
797 wid_caps, conn_len);
798 else
799 print_amp_vals(buffer, codec, nid, HDA_OUTPUT,
800 wid_caps, 1);
801 }
802
803 switch (wid_type) {
804 case AC_WID_PIN: {
805 int supports_vref;
806 print_pin_caps(buffer, codec, nid, &supports_vref);
807 print_pin_ctls(buffer, codec, nid, supports_vref);
808 break;
809 }
810 case AC_WID_VOL_KNB:
811 print_vol_knob(buffer, codec, nid);
812 break;
813 case AC_WID_AUD_OUT:
814 case AC_WID_AUD_IN:
815 print_audio_io(buffer, codec, nid, wid_type);
816 if (wid_caps & AC_WCAP_DIGITAL)
817 print_digital_conv(buffer, codec, nid);
818 if (wid_caps & AC_WCAP_FORMAT_OVRD) {
819 snd_iprintf(buffer, " PCM:\n");
820 print_pcm_caps(buffer, codec, nid);
821 }
822 break;
823 }
824
825 if (wid_caps & AC_WCAP_UNSOL_CAP)
826 print_unsol_cap(buffer, codec, nid);
827
828 if (wid_caps & AC_WCAP_POWER)
829 print_power_state(buffer, codec, nid);
830
831 if (wid_caps & AC_WCAP_DELAY)
832 snd_iprintf(buffer, " Delay: %d samples\n",
833 (wid_caps & AC_WCAP_DELAY) >>
834 AC_WCAP_DELAY_SHIFT);
835
836 if (wid_type == AC_WID_PIN && codec->dp_mst)
837 print_device_list(buffer, codec, nid);
838
839 if (wid_caps & AC_WCAP_CONN_LIST)
840 print_conn_list(buffer, codec, nid, wid_type,
841 conn, conn_len);
842
843 if (wid_caps & AC_WCAP_PROC_WID)
844 print_proc_caps(buffer, codec, nid);
845
846 if (codec->proc_widget_hook)
847 codec->proc_widget_hook(buffer, codec, nid);
848
849 kfree(conn);
850 }
851 snd_hda_power_down(codec);
852 }
853
854 /*
855 * create a proc read
856 */
857 int snd_hda_codec_proc_new(struct hda_codec *codec)
858 {
859 char name[32];
860 struct snd_info_entry *entry;
861 int err;
862
863 snprintf(name, sizeof(name), "codec#%d", codec->addr);
864 err = snd_card_proc_new(codec->bus->card, name, &entry);
865 if (err < 0)
866 return err;
867
868 snd_info_set_text_ops(entry, codec, print_codec_info);
869 return 0;
870 }
871
Linux kernel - Deliverables
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