source: GPL/trunk/alsa-kernel/pci/hda/hda_proc.c

Last change on this file was 695, checked in by David Azarewicz, 4 years ago

Merge changes from next branch.
File size: 28.2 KB
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1// SPDX-License-Identifier: GPL-2.0-or-later
2/*
3 * Universal Interface for Intel High Definition Audio Codec
4 *
5 * Generic proc interface
6 *
7 * Copyright (c) 2004 Takashi Iwai <tiwai@suse.de>
8 */
9
10#include <linux/init.h>
11#include <linux/slab.h>
12#include <sound/core.h>
13#include <linux/module.h>
14#include <sound/hda_codec.h>
15#include "hda_local.h"
16
17static int dump_coef = -1;
18module_param(dump_coef, int, 0644);
19MODULE_PARM_DESC(dump_coef, "Dump processing coefficients in codec proc file (-1=auto, 0=disable, 1=enable)");
20
21/* always use noncached version */
22#define param_read(codec, nid, parm) \
23 snd_hdac_read_parm_uncached(&(codec)->core, nid, parm)
24
25static const char *get_wid_type_name(unsigned int wid_value)
26{
27 static const char * const names[16] = {
28 [AC_WID_AUD_OUT] = "Audio Output",
29 [AC_WID_AUD_IN] = "Audio Input",
30 [AC_WID_AUD_MIX] = "Audio Mixer",
31 [AC_WID_AUD_SEL] = "Audio Selector",
32 [AC_WID_PIN] = "Pin Complex",
33 [AC_WID_POWER] = "Power Widget",
34 [AC_WID_VOL_KNB] = "Volume Knob Widget",
35 [AC_WID_BEEP] = "Beep Generator Widget",
36 [AC_WID_VENDOR] = "Vendor Defined Widget",
37 };
38 if (wid_value == -1)
39 return "UNKNOWN Widget";
40 wid_value &= 0xf;
41 if (names[wid_value])
42 return names[wid_value];
43 else
44 return "UNKNOWN Widget";
45}
46
47static void print_nid_array(struct snd_info_buffer *buffer,
48 struct hda_codec *codec, hda_nid_t nid,
49 struct snd_array *array)
50{
51 int i;
52 struct hda_nid_item *items = array->list, *item;
53 struct snd_kcontrol *kctl;
54 for (i = 0; i < array->used; i++) {
55 item = &items[i];
56 if (item->nid == nid) {
57 kctl = item->kctl;
58 snd_iprintf(buffer,
59 " Control: name=\"%s\", index=%i, device=%i\n",
60 kctl->id.name, kctl->id.index + item->index,
61 kctl->id.device);
62 if (item->flags & HDA_NID_ITEM_AMP)
63 snd_iprintf(buffer,
64 " ControlAmp: chs=%lu, dir=%s, "
65 "idx=%lu, ofs=%lu\n",
66 get_amp_channels(kctl),
67 get_amp_direction(kctl) ? "Out" : "In",
68 get_amp_index(kctl),
69 get_amp_offset(kctl));
70 }
71 }
72}
73
74static void print_nid_pcms(struct snd_info_buffer *buffer,
75 struct hda_codec *codec, hda_nid_t nid)
76{
77 int type;
78 struct hda_pcm *cpcm;
79
80 list_for_each_entry(cpcm, &codec->pcm_list_head, list, struct hda_pcm) {
81 for (type = 0; type < 2; type++) {
82 if (cpcm->stream[type].nid != nid || cpcm->pcm == NULL)
83 continue;
84 snd_iprintf(buffer, " Device: name=\"%s\", "
85 "type=\"%s\", device=%i\n",
86 cpcm->name,
87 snd_hda_pcm_type_name[cpcm->pcm_type],
88 cpcm->pcm->device);
89 }
90 }
91}
92
93static void print_amp_caps(struct snd_info_buffer *buffer,
94 struct hda_codec *codec, hda_nid_t nid, int dir)
95{
96 unsigned int caps;
97 caps = param_read(codec, nid, dir == HDA_OUTPUT ?
98 AC_PAR_AMP_OUT_CAP : AC_PAR_AMP_IN_CAP);
99 if (caps == -1 || caps == 0) {
100 snd_iprintf(buffer, "N/A\n");
101 return;
102 }
103 snd_iprintf(buffer, "ofs=0x%02x, nsteps=0x%02x, stepsize=0x%02x, "
104 "mute=%x\n",
105 caps & AC_AMPCAP_OFFSET,
106 (caps & AC_AMPCAP_NUM_STEPS) >> AC_AMPCAP_NUM_STEPS_SHIFT,
107 (caps & AC_AMPCAP_STEP_SIZE) >> AC_AMPCAP_STEP_SIZE_SHIFT,
108 (caps & AC_AMPCAP_MUTE) >> AC_AMPCAP_MUTE_SHIFT);
109}
110
111/* is this a stereo widget or a stereo-to-mono mix? */
112static bool is_stereo_amps(struct hda_codec *codec, hda_nid_t nid,
113 int dir, unsigned int wcaps, int indices)
114{
115 hda_nid_t conn;
116
117 if (wcaps & AC_WCAP_STEREO)
118 return true;
119 /* check for a stereo-to-mono mix; it must be:
120 * only a single connection, only for input, and only a mixer widget
121 */
122 if (indices != 1 || dir != HDA_INPUT ||
123 get_wcaps_type(wcaps) != AC_WID_AUD_MIX)
124 return false;
125
126 if (snd_hda_get_raw_connections(codec, nid, &conn, 1) < 0)
127 return false;
128 /* the connection source is a stereo? */
129 wcaps = snd_hda_param_read(codec, conn, AC_PAR_AUDIO_WIDGET_CAP);
130 return !!(wcaps & AC_WCAP_STEREO);
131}
132
133static void print_amp_vals(struct snd_info_buffer *buffer,
134 struct hda_codec *codec, hda_nid_t nid,
135 int dir, unsigned int wcaps, int indices)
136{
137 unsigned int val;
138 bool stereo;
139 int i;
140
141 stereo = is_stereo_amps(codec, nid, dir, wcaps, indices);
142
143 dir = dir == HDA_OUTPUT ? AC_AMP_GET_OUTPUT : AC_AMP_GET_INPUT;
144 for (i = 0; i < indices; i++) {
145 snd_iprintf(buffer, " [");
146 val = snd_hda_codec_read(codec, nid, 0,
147 AC_VERB_GET_AMP_GAIN_MUTE,
148 AC_AMP_GET_LEFT | dir | i);
149 snd_iprintf(buffer, "0x%02x", val);
150 if (stereo) {
151 val = snd_hda_codec_read(codec, nid, 0,
152 AC_VERB_GET_AMP_GAIN_MUTE,
153 AC_AMP_GET_RIGHT | dir | i);
154 snd_iprintf(buffer, " 0x%02x", val);
155 }
156 snd_iprintf(buffer, "]");
157 }
158 snd_iprintf(buffer, "\n");
159}
160
161static void print_pcm_rates(struct snd_info_buffer *buffer, unsigned int pcm)
162{
163 static const unsigned int rates[] = {
164 8000, 11025, 16000, 22050, 32000, 44100, 48000, 88200,
165 96000, 176400, 192000, 384000
166 };
167 int i;
168
169 pcm &= AC_SUPPCM_RATES;
170 snd_iprintf(buffer, " rates [0x%x]:", pcm);
171 for (i = 0; i < ARRAY_SIZE(rates); i++)
172 if (pcm & (1 << i))
173 snd_iprintf(buffer, " %d", rates[i]);
174 snd_iprintf(buffer, "\n");
175}
176
177static void print_pcm_bits(struct snd_info_buffer *buffer, unsigned int pcm)
178{
179 char buf[SND_PRINT_BITS_ADVISED_BUFSIZE];
180
181 snd_iprintf(buffer, " bits [0x%x]:", (pcm >> 16) & 0xff);
182 snd_print_pcm_bits(pcm, buf, sizeof(buf));
183 snd_iprintf(buffer, "%s\n", buf);
184}
185
186static void print_pcm_formats(struct snd_info_buffer *buffer,
187 unsigned int streams)
188{
189 snd_iprintf(buffer, " formats [0x%x]:", streams & 0xf);
190 if (streams & AC_SUPFMT_PCM)
191 snd_iprintf(buffer, " PCM");
192 if (streams & AC_SUPFMT_FLOAT32)
193 snd_iprintf(buffer, " FLOAT");
194 if (streams & AC_SUPFMT_AC3)
195 snd_iprintf(buffer, " AC3");
196 snd_iprintf(buffer, "\n");
197}
198
199static void print_pcm_caps(struct snd_info_buffer *buffer,
200 struct hda_codec *codec, hda_nid_t nid)
201{
202 unsigned int pcm = param_read(codec, nid, AC_PAR_PCM);
203 unsigned int stream = param_read(codec, nid, AC_PAR_STREAM);
204 if (pcm == -1 || stream == -1) {
205 snd_iprintf(buffer, "N/A\n");
206 return;
207 }
208 print_pcm_rates(buffer, pcm);
209 print_pcm_bits(buffer, pcm);
210 print_pcm_formats(buffer, stream);
211}
212
213static const char *get_jack_connection(u32 cfg)
214{
215 static const char * const names[16] = {
216 "Unknown", "1/8", "1/4", "ATAPI",
217 "RCA", "Optical","Digital", "Analog",
218 "DIN", "XLR", "RJ11", "Comb",
219 NULL, NULL, NULL, "Other"
220 };
221 cfg = (cfg & AC_DEFCFG_CONN_TYPE) >> AC_DEFCFG_CONN_TYPE_SHIFT;
222 if (names[cfg])
223 return names[cfg];
224 else
225 return "UNKNOWN";
226}
227
228static const char *get_jack_color(u32 cfg)
229{
230 static const char * const names[16] = {
231 "Unknown", "Black", "Grey", "Blue",
232 "Green", "Red", "Orange", "Yellow",
233 "Purple", "Pink", NULL, NULL,
234 NULL, NULL, "White", "Other",
235 };
236 cfg = (cfg & AC_DEFCFG_COLOR) >> AC_DEFCFG_COLOR_SHIFT;
237 if (names[cfg])
238 return names[cfg];
239 else
240 return "UNKNOWN";
241}
242
243/*
244 * Parse the pin default config value and returns the string of the
245 * jack location, e.g. "Rear", "Front", etc.
246 */
247static const char *get_jack_location(u32 cfg)
248{
249 static const char * const bases[7] = {
250 "N/A", "Rear", "Front", "Left", "Right", "Top", "Bottom",
251 };
252 static const unsigned char specials_idx[] = {
253 0x07, 0x08,
254 0x17, 0x18, 0x19,
255 0x37, 0x38
256 };
257 static const char * const specials[] = {
258 "Rear Panel", "Drive Bar",
259 "Riser", "HDMI", "ATAPI",
260 "Mobile-In", "Mobile-Out"
261 };
262 int i;
263
264 cfg = (cfg & AC_DEFCFG_LOCATION) >> AC_DEFCFG_LOCATION_SHIFT;
265 if ((cfg & 0x0f) < 7)
266 return bases[cfg & 0x0f];
267 for (i = 0; i < ARRAY_SIZE(specials_idx); i++) {
268 if (cfg == specials_idx[i])
269 return specials[i];
270 }
271 return "UNKNOWN";
272}
273
274/*
275 * Parse the pin default config value and returns the string of the
276 * jack connectivity, i.e. external or internal connection.
277 */
278static const char *get_jack_connectivity(u32 cfg)
279{
280 static const char * const jack_locations[4] = {
281 "Ext", "Int", "Sep", "Oth"
282 };
283
284 return jack_locations[(cfg >> (AC_DEFCFG_LOCATION_SHIFT + 4)) & 3];
285}
286
287/*
288 * Parse the pin default config value and returns the string of the
289 * jack type, i.e. the purpose of the jack, such as Line-Out or CD.
290 */
291static const char *get_jack_type(u32 cfg)
292{
293 static const char * const jack_types[16] = {
294 "Line Out", "Speaker", "HP Out", "CD",
295 "SPDIF Out", "Digital Out", "Modem Line", "Modem Hand",
296 "Line In", "Aux", "Mic", "Telephony",
297 "SPDIF In", "Digital In", "Reserved", "Other"
298 };
299
300 return jack_types[(cfg & AC_DEFCFG_DEVICE)
301 >> AC_DEFCFG_DEVICE_SHIFT];
302}
303
304static void print_pin_caps(struct snd_info_buffer *buffer,
305 struct hda_codec *codec, hda_nid_t nid,
306 int *supports_vref)
307{
308 static const char * const jack_conns[4] = {
309 "Jack", "N/A", "Fixed", "Both"
310 };
311 unsigned int caps, val;
312
313 caps = param_read(codec, nid, AC_PAR_PIN_CAP);
314 snd_iprintf(buffer, " Pincap 0x%08x:", caps);
315 if (caps & AC_PINCAP_IN)
316 snd_iprintf(buffer, " IN");
317 if (caps & AC_PINCAP_OUT)
318 snd_iprintf(buffer, " OUT");
319 if (caps & AC_PINCAP_HP_DRV)
320 snd_iprintf(buffer, " HP");
321 if (caps & AC_PINCAP_EAPD)
322 snd_iprintf(buffer, " EAPD");
323 if (caps & AC_PINCAP_PRES_DETECT)
324 snd_iprintf(buffer, " Detect");
325 if (caps & AC_PINCAP_BALANCE)
326 snd_iprintf(buffer, " Balanced");
327 if (caps & AC_PINCAP_HDMI) {
328 /* Realtek uses this bit as a different meaning */
329 if ((codec->core.vendor_id >> 16) == 0x10ec)
330 snd_iprintf(buffer, " R/L");
331 else {
332 if (caps & AC_PINCAP_HBR)
333 snd_iprintf(buffer, " HBR");
334 snd_iprintf(buffer, " HDMI");
335 }
336 }
337 if (caps & AC_PINCAP_DP)
338 snd_iprintf(buffer, " DP");
339 if (caps & AC_PINCAP_TRIG_REQ)
340 snd_iprintf(buffer, " Trigger");
341 if (caps & AC_PINCAP_IMP_SENSE)
342 snd_iprintf(buffer, " ImpSense");
343 snd_iprintf(buffer, "\n");
344 if (caps & AC_PINCAP_VREF) {
345 unsigned int vref =
346 (caps & AC_PINCAP_VREF) >> AC_PINCAP_VREF_SHIFT;
347 snd_iprintf(buffer, " Vref caps:");
348 if (vref & AC_PINCAP_VREF_HIZ)
349 snd_iprintf(buffer, " HIZ");
350 if (vref & AC_PINCAP_VREF_50)
351 snd_iprintf(buffer, " 50");
352 if (vref & AC_PINCAP_VREF_GRD)
353 snd_iprintf(buffer, " GRD");
354 if (vref & AC_PINCAP_VREF_80)
355 snd_iprintf(buffer, " 80");
356 if (vref & AC_PINCAP_VREF_100)
357 snd_iprintf(buffer, " 100");
358 snd_iprintf(buffer, "\n");
359 *supports_vref = 1;
360 } else
361 *supports_vref = 0;
362 if (caps & AC_PINCAP_EAPD) {
363 val = snd_hda_codec_read(codec, nid, 0,
364 AC_VERB_GET_EAPD_BTLENABLE, 0);
365 snd_iprintf(buffer, " EAPD 0x%x:", val);
366 if (val & AC_EAPDBTL_BALANCED)
367 snd_iprintf(buffer, " BALANCED");
368 if (val & AC_EAPDBTL_EAPD)
369 snd_iprintf(buffer, " EAPD");
370 if (val & AC_EAPDBTL_LR_SWAP)
371 snd_iprintf(buffer, " R/L");
372 snd_iprintf(buffer, "\n");
373 }
374 caps = snd_hda_codec_read(codec, nid, 0, AC_VERB_GET_CONFIG_DEFAULT, 0);
375 snd_iprintf(buffer, " Pin Default 0x%08x: [%s] %s at %s %s\n", caps,
376 jack_conns[(caps & AC_DEFCFG_PORT_CONN) >> AC_DEFCFG_PORT_CONN_SHIFT],
377 get_jack_type(caps),
378 get_jack_connectivity(caps),
379 get_jack_location(caps));
380 snd_iprintf(buffer, " Conn = %s, Color = %s\n",
381 get_jack_connection(caps),
382 get_jack_color(caps));
383 /* Default association and sequence values refer to default grouping
384 * of pin complexes and their sequence within the group. This is used
385 * for priority and resource allocation.
386 */
387 snd_iprintf(buffer, " DefAssociation = 0x%x, Sequence = 0x%x\n",
388 (caps & AC_DEFCFG_DEF_ASSOC) >> AC_DEFCFG_ASSOC_SHIFT,
389 caps & AC_DEFCFG_SEQUENCE);
390 if (((caps & AC_DEFCFG_MISC) >> AC_DEFCFG_MISC_SHIFT) &
391 AC_DEFCFG_MISC_NO_PRESENCE) {
392 /* Miscellaneous bit indicates external hardware does not
393 * support presence detection even if the pin complex
394 * indicates it is supported.
395 */
396 snd_iprintf(buffer, " Misc = NO_PRESENCE\n");
397 }
398}
399
400static void print_pin_ctls(struct snd_info_buffer *buffer,
401 struct hda_codec *codec, hda_nid_t nid,
402 int supports_vref)
403{
404 unsigned int pinctls;
405
406 pinctls = snd_hda_codec_read(codec, nid, 0,
407 AC_VERB_GET_PIN_WIDGET_CONTROL, 0);
408 snd_iprintf(buffer, " Pin-ctls: 0x%02x:", pinctls);
409 if (pinctls & AC_PINCTL_IN_EN)
410 snd_iprintf(buffer, " IN");
411 if (pinctls & AC_PINCTL_OUT_EN)
412 snd_iprintf(buffer, " OUT");
413 if (pinctls & AC_PINCTL_HP_EN)
414 snd_iprintf(buffer, " HP");
415 if (supports_vref) {
416 int vref = pinctls & AC_PINCTL_VREFEN;
417 switch (vref) {
418 case AC_PINCTL_VREF_HIZ:
419 snd_iprintf(buffer, " VREF_HIZ");
420 break;
421 case AC_PINCTL_VREF_50:
422 snd_iprintf(buffer, " VREF_50");
423 break;
424 case AC_PINCTL_VREF_GRD:
425 snd_iprintf(buffer, " VREF_GRD");
426 break;
427 case AC_PINCTL_VREF_80:
428 snd_iprintf(buffer, " VREF_80");
429 break;
430 case AC_PINCTL_VREF_100:
431 snd_iprintf(buffer, " VREF_100");
432 break;
433 }
434 }
435 snd_iprintf(buffer, "\n");
436}
437
438static void print_vol_knob(struct snd_info_buffer *buffer,
439 struct hda_codec *codec, hda_nid_t nid)
440{
441 unsigned int cap = param_read(codec, nid, AC_PAR_VOL_KNB_CAP);
442 snd_iprintf(buffer, " Volume-Knob: delta=%d, steps=%d, ",
443 (cap >> 7) & 1, cap & 0x7f);
444 cap = snd_hda_codec_read(codec, nid, 0,
445 AC_VERB_GET_VOLUME_KNOB_CONTROL, 0);
446 snd_iprintf(buffer, "direct=%d, val=%d\n",
447 (cap >> 7) & 1, cap & 0x7f);
448}
449
450static void print_audio_io(struct snd_info_buffer *buffer,
451 struct hda_codec *codec, hda_nid_t nid,
452 unsigned int wid_type)
453{
454 int conv = snd_hda_codec_read(codec, nid, 0, AC_VERB_GET_CONV, 0);
455 snd_iprintf(buffer,
456 " Converter: stream=%d, channel=%d\n",
457 (conv & AC_CONV_STREAM) >> AC_CONV_STREAM_SHIFT,
458 conv & AC_CONV_CHANNEL);
459
460 if (wid_type == AC_WID_AUD_IN && (conv & AC_CONV_CHANNEL) == 0) {
461 int sdi = snd_hda_codec_read(codec, nid, 0,
462 AC_VERB_GET_SDI_SELECT, 0);
463 snd_iprintf(buffer, " SDI-Select: %d\n",
464 sdi & AC_SDI_SELECT);
465 }
466}
467
468static void print_digital_conv(struct snd_info_buffer *buffer,
469 struct hda_codec *codec, hda_nid_t nid)
470{
471 unsigned int digi1 = snd_hda_codec_read(codec, nid, 0,
472 AC_VERB_GET_DIGI_CONVERT_1, 0);
473 unsigned char digi2 = digi1 >> 8;
474 unsigned char digi3 = digi1 >> 16;
475
476 snd_iprintf(buffer, " Digital:");
477 if (digi1 & AC_DIG1_ENABLE)
478 snd_iprintf(buffer, " Enabled");
479 if (digi1 & AC_DIG1_V)
480 snd_iprintf(buffer, " Validity");
481 if (digi1 & AC_DIG1_VCFG)
482 snd_iprintf(buffer, " ValidityCfg");
483 if (digi1 & AC_DIG1_EMPHASIS)
484 snd_iprintf(buffer, " Preemphasis");
485 if (digi1 & AC_DIG1_COPYRIGHT)
486 snd_iprintf(buffer, " Non-Copyright");
487 if (digi1 & AC_DIG1_NONAUDIO)
488 snd_iprintf(buffer, " Non-Audio");
489 if (digi1 & AC_DIG1_PROFESSIONAL)
490 snd_iprintf(buffer, " Pro");
491 if (digi1 & AC_DIG1_LEVEL)
492 snd_iprintf(buffer, " GenLevel");
493 if (digi3 & AC_DIG3_KAE)
494 snd_iprintf(buffer, " KAE");
495 snd_iprintf(buffer, "\n");
496 snd_iprintf(buffer, " Digital category: 0x%x\n",
497 digi2 & AC_DIG2_CC);
498 snd_iprintf(buffer, " IEC Coding Type: 0x%x\n",
499 digi3 & AC_DIG3_ICT);
500}
501
502static const char *get_pwr_state(u32 state)
503{
504 static const char * const buf[] = {
505 "D0", "D1", "D2", "D3", "D3cold"
506 };
507 if (state < ARRAY_SIZE(buf))
508 return buf[state];
509 return "UNKNOWN";
510}
511
512static void print_power_state(struct snd_info_buffer *buffer,
513 struct hda_codec *codec, hda_nid_t nid)
514{
515#ifndef TARGET_OS2
516 static const char * const names[] = {
517 [ilog2(AC_PWRST_D0SUP)] = "D0",
518 [ilog2(AC_PWRST_D1SUP)] = "D1",
519 [ilog2(AC_PWRST_D2SUP)] = "D2",
520 [ilog2(AC_PWRST_D3SUP)] = "D3",
521 [ilog2(AC_PWRST_D3COLDSUP)] = "D3cold",
522 [ilog2(AC_PWRST_S3D3COLDSUP)] = "S3D3cold",
523 [ilog2(AC_PWRST_CLKSTOP)] = "CLKSTOP",
524 [ilog2(AC_PWRST_EPSS)] = "EPSS",
525 };
526
527 int sup = param_read(codec, nid, AC_PAR_POWER_STATE);
528#endif
529 int pwr = snd_hda_codec_read(codec, nid, 0,
530 AC_VERB_GET_POWER_STATE, 0);
531#ifndef TARGET_OS2
532 if (sup != -1) {
533 int i;
534
535 snd_iprintf(buffer, " Power states: ");
536 for (i = 0; i < ARRAY_SIZE(names); i++) {
537 if (sup & (1U << i))
538 snd_iprintf(buffer, " %s", names[i]);
539 }
540 snd_iprintf(buffer, "\n");
541 }
542#endif
543 snd_iprintf(buffer, " Power: setting=%s, actual=%s",
544 get_pwr_state(pwr & AC_PWRST_SETTING),
545 get_pwr_state((pwr & AC_PWRST_ACTUAL) >>
546 AC_PWRST_ACTUAL_SHIFT));
547 if (pwr & AC_PWRST_ERROR)
548 snd_iprintf(buffer, ", Error");
549 if (pwr & AC_PWRST_CLK_STOP_OK)
550 snd_iprintf(buffer, ", Clock-stop-OK");
551 if (pwr & AC_PWRST_SETTING_RESET)
552 snd_iprintf(buffer, ", Setting-reset");
553 snd_iprintf(buffer, "\n");
554}
555
556static void print_unsol_cap(struct snd_info_buffer *buffer,
557 struct hda_codec *codec, hda_nid_t nid)
558{
559 int unsol = snd_hda_codec_read(codec, nid, 0,
560 AC_VERB_GET_UNSOLICITED_RESPONSE, 0);
561 snd_iprintf(buffer,
562 " Unsolicited: tag=%02x, enabled=%d\n",
563 unsol & AC_UNSOL_TAG,
564 (unsol & AC_UNSOL_ENABLED) ? 1 : 0);
565}
566
567static inline bool can_dump_coef(struct hda_codec *codec)
568{
569 switch (dump_coef) {
570 case 0: return false;
571 case 1: return true;
572 default: return codec->dump_coef;
573 }
574}
575
576static void print_proc_caps(struct snd_info_buffer *buffer,
577 struct hda_codec *codec, hda_nid_t nid)
578{
579 unsigned int i, ncoeff, oldindex;
580 unsigned int proc_caps = param_read(codec, nid, AC_PAR_PROC_CAP);
581 ncoeff = (proc_caps & AC_PCAP_NUM_COEF) >> AC_PCAP_NUM_COEF_SHIFT;
582 snd_iprintf(buffer, " Processing caps: benign=%d, ncoeff=%d\n",
583 proc_caps & AC_PCAP_BENIGN, ncoeff);
584
585 if (!can_dump_coef(codec))
586 return;
587
588 /* Note: This is racy - another process could run in parallel and change
589 the coef index too. */
590 oldindex = snd_hda_codec_read(codec, nid, 0, AC_VERB_GET_COEF_INDEX, 0);
591 for (i = 0; i < ncoeff; i++) {
592 unsigned int val;
593 snd_hda_codec_write(codec, nid, 0, AC_VERB_SET_COEF_INDEX, i);
594 val = snd_hda_codec_read(codec, nid, 0, AC_VERB_GET_PROC_COEF,
595 0);
596 snd_iprintf(buffer, " Coeff 0x%02x: 0x%04x\n", i, val);
597 }
598 snd_hda_codec_write(codec, nid, 0, AC_VERB_SET_COEF_INDEX, oldindex);
599}
600
601static void print_conn_list(struct snd_info_buffer *buffer,
602 struct hda_codec *codec, hda_nid_t nid,
603 unsigned int wid_type, hda_nid_t *conn,
604 int conn_len)
605{
606 int c, curr = -1;
607 const hda_nid_t *list;
608 int cache_len;
609
610 if (conn_len > 1 &&
611 wid_type != AC_WID_AUD_MIX &&
612 wid_type != AC_WID_VOL_KNB &&
613 wid_type != AC_WID_POWER)
614 curr = snd_hda_codec_read(codec, nid, 0,
615 AC_VERB_GET_CONNECT_SEL, 0);
616 snd_iprintf(buffer, " Connection: %d\n", conn_len);
617 if (conn_len > 0) {
618 snd_iprintf(buffer, " ");
619 for (c = 0; c < conn_len; c++) {
620 snd_iprintf(buffer, " 0x%02x", conn[c]);
621 if (c == curr)
622 snd_iprintf(buffer, "*");
623 }
624 snd_iprintf(buffer, "\n");
625 }
626
627 /* Get Cache connections info */
628 cache_len = snd_hda_get_conn_list(codec, nid, &list);
629 if (cache_len >= 0 && (cache_len != conn_len ||
630 memcmp(list, conn, conn_len) != 0)) {
631 snd_iprintf(buffer, " In-driver Connection: %d\n", cache_len);
632 if (cache_len > 0) {
633 snd_iprintf(buffer, " ");
634 for (c = 0; c < cache_len; c++)
635 snd_iprintf(buffer, " 0x%02x", list[c]);
636 snd_iprintf(buffer, "\n");
637 }
638 }
639}
640
641static void print_gpio(struct snd_info_buffer *buffer,
642 struct hda_codec *codec, hda_nid_t nid)
643{
644 unsigned int gpio =
645 param_read(codec, codec->core.afg, AC_PAR_GPIO_CAP);
646 unsigned int enable, direction, wake, unsol, sticky, data;
647 int i, max;
648 snd_iprintf(buffer, "GPIO: io=%d, o=%d, i=%d, "
649 "unsolicited=%d, wake=%d\n",
650 gpio & AC_GPIO_IO_COUNT,
651 (gpio & AC_GPIO_O_COUNT) >> AC_GPIO_O_COUNT_SHIFT,
652 (gpio & AC_GPIO_I_COUNT) >> AC_GPIO_I_COUNT_SHIFT,
653 (gpio & AC_GPIO_UNSOLICITED) ? 1 : 0,
654 (gpio & AC_GPIO_WAKE) ? 1 : 0);
655 max = gpio & AC_GPIO_IO_COUNT;
656 if (!max || max > 8)
657 return;
658 enable = snd_hda_codec_read(codec, nid, 0,
659 AC_VERB_GET_GPIO_MASK, 0);
660 direction = snd_hda_codec_read(codec, nid, 0,
661 AC_VERB_GET_GPIO_DIRECTION, 0);
662 wake = snd_hda_codec_read(codec, nid, 0,
663 AC_VERB_GET_GPIO_WAKE_MASK, 0);
664 unsol = snd_hda_codec_read(codec, nid, 0,
665 AC_VERB_GET_GPIO_UNSOLICITED_RSP_MASK, 0);
666 sticky = snd_hda_codec_read(codec, nid, 0,
667 AC_VERB_GET_GPIO_STICKY_MASK, 0);
668 data = snd_hda_codec_read(codec, nid, 0,
669 AC_VERB_GET_GPIO_DATA, 0);
670 for (i = 0; i < max; ++i)
671 snd_iprintf(buffer,
672 " IO[%d]: enable=%d, dir=%d, wake=%d, "
673 "sticky=%d, data=%d, unsol=%d\n", i,
674 (enable & (1<<i)) ? 1 : 0,
675 (direction & (1<<i)) ? 1 : 0,
676 (wake & (1<<i)) ? 1 : 0,
677 (sticky & (1<<i)) ? 1 : 0,
678 (data & (1<<i)) ? 1 : 0,
679 (unsol & (1<<i)) ? 1 : 0);
680 /* FIXME: add GPO and GPI pin information */
681 print_nid_array(buffer, codec, nid, &codec->mixers);
682 print_nid_array(buffer, codec, nid, &codec->nids);
683}
684
685static void print_dpmst_connections(struct snd_info_buffer *buffer, struct hda_codec *codec,
686 hda_nid_t nid, int dev_num)
687{
688 int c, conn_len, curr, dev_id_saved;
689 hda_nid_t *conn;
690
691 conn_len = snd_hda_get_num_raw_conns(codec, nid);
692 if (conn_len <= 0)
693 return;
694
695 conn = kmalloc_array(conn_len, sizeof(hda_nid_t), GFP_KERNEL);
696 if (!conn)
697 return;
698
699 dev_id_saved = snd_hda_get_dev_select(codec, nid);
700
701 snd_hda_set_dev_select(codec, nid, dev_num);
702 curr = snd_hda_codec_read(codec, nid, 0, AC_VERB_GET_CONNECT_SEL, 0);
703 if (snd_hda_get_raw_connections(codec, nid, conn, conn_len) < 0)
704 goto out;
705
706 for (c = 0; c < conn_len; c++) {
707 snd_iprintf(buffer, " 0x%02x", conn[c]);
708 if (c == curr)
709 snd_iprintf(buffer, "*");
710 }
711
712out:
713 kfree(conn);
714 snd_hda_set_dev_select(codec, nid, dev_id_saved);
715}
716
717static void print_device_list(struct snd_info_buffer *buffer,
718 struct hda_codec *codec, hda_nid_t nid)
719{
720 int i, curr = -1;
721 u8 dev_list[AC_MAX_DEV_LIST_LEN];
722 int devlist_len;
723
724 devlist_len = snd_hda_get_devices(codec, nid, dev_list,
725 AC_MAX_DEV_LIST_LEN);
726 snd_iprintf(buffer, " Devices: %d\n", devlist_len);
727 if (devlist_len <= 0)
728 return;
729
730 curr = snd_hda_codec_read(codec, nid, 0,
731 AC_VERB_GET_DEVICE_SEL, 0);
732
733 for (i = 0; i < devlist_len; i++) {
734 if (i == curr)
735 snd_iprintf(buffer, " *");
736 else
737 snd_iprintf(buffer, " ");
738
739 snd_iprintf(buffer,
740 "Dev %02d: PD = %d, ELDV = %d, IA = %d, Connections [", i,
741 !!(dev_list[i] & AC_DE_PD),
742 !!(dev_list[i] & AC_DE_ELDV),
743 !!(dev_list[i] & AC_DE_IA));
744
745 print_dpmst_connections(buffer, codec, nid, i);
746
747 snd_iprintf(buffer, " ]\n");
748 }
749}
750
751static void print_codec_core_info(struct hdac_device *codec,
752 struct snd_info_buffer *buffer)
753{
754 snd_iprintf(buffer, "Codec: ");
755 if (codec->vendor_name && codec->chip_name)
756 snd_iprintf(buffer, "%s %s\n",
757 codec->vendor_name, codec->chip_name);
758 else
759 snd_iprintf(buffer, "Not Set\n");
760 snd_iprintf(buffer, "Address: %d\n", codec->addr);
761 if (codec->afg)
762 snd_iprintf(buffer, "AFG Function Id: 0x%x (unsol %u)\n",
763 codec->afg_function_id, codec->afg_unsol);
764 if (codec->mfg)
765 snd_iprintf(buffer, "MFG Function Id: 0x%x (unsol %u)\n",
766 codec->mfg_function_id, codec->mfg_unsol);
767 snd_iprintf(buffer, "Vendor Id: 0x%08x\n", codec->vendor_id);
768 snd_iprintf(buffer, "Subsystem Id: 0x%08x\n", codec->subsystem_id);
769 snd_iprintf(buffer, "Revision Id: 0x%x\n", codec->revision_id);
770
771 if (codec->mfg)
772 snd_iprintf(buffer, "Modem Function Group: 0x%x\n", codec->mfg);
773 else
774 snd_iprintf(buffer, "No Modem Function Group found\n");
775}
776
777static void print_codec_info(struct snd_info_entry *entry,
778 struct snd_info_buffer *buffer)
779{
780 struct hda_codec *codec = entry->private_data;
781 hda_nid_t nid, fg;
782 int i, nodes;
783
784 print_codec_core_info(&codec->core, buffer);
785 fg = codec->core.afg;
786 if (!fg)
787 return;
788 snd_hda_power_up(codec);
789 snd_iprintf(buffer, "Default PCM:\n");
790 print_pcm_caps(buffer, codec, fg);
791 snd_iprintf(buffer, "Default Amp-In caps: ");
792 print_amp_caps(buffer, codec, fg, HDA_INPUT);
793 snd_iprintf(buffer, "Default Amp-Out caps: ");
794 print_amp_caps(buffer, codec, fg, HDA_OUTPUT);
795 snd_iprintf(buffer, "State of AFG node 0x%02x:\n", fg);
796 print_power_state(buffer, codec, fg);
797
798 nodes = snd_hda_get_sub_nodes(codec, fg, &nid);
799 if (! nid || nodes < 0) {
800 snd_iprintf(buffer, "Invalid AFG subtree\n");
801 snd_hda_power_down(codec);
802 return;
803 }
804
805 print_gpio(buffer, codec, fg);
806 if (codec->proc_widget_hook)
807 codec->proc_widget_hook(buffer, codec, fg);
808
809 for (i = 0; i < nodes; i++, nid++) {
810 unsigned int wid_caps =
811 param_read(codec, nid, AC_PAR_AUDIO_WIDGET_CAP);
812 unsigned int wid_type = get_wcaps_type(wid_caps);
813 hda_nid_t *conn = NULL;
814 int conn_len = 0;
815
816 snd_iprintf(buffer, "Node 0x%02x [%s] wcaps 0x%x:", nid,
817 get_wid_type_name(wid_type), wid_caps);
818 if (wid_caps & AC_WCAP_STEREO) {
819 unsigned int chans = get_wcaps_channels(wid_caps);
820 if (chans == 2)
821 snd_iprintf(buffer, " Stereo");
822 else
823 snd_iprintf(buffer, " %d-Channels", chans);
824 } else
825 snd_iprintf(buffer, " Mono");
826 if (wid_caps & AC_WCAP_DIGITAL)
827 snd_iprintf(buffer, " Digital");
828 if (wid_caps & AC_WCAP_IN_AMP)
829 snd_iprintf(buffer, " Amp-In");
830 if (wid_caps & AC_WCAP_OUT_AMP)
831 snd_iprintf(buffer, " Amp-Out");
832 if (wid_caps & AC_WCAP_STRIPE)
833 snd_iprintf(buffer, " Stripe");
834 if (wid_caps & AC_WCAP_LR_SWAP)
835 snd_iprintf(buffer, " R/L");
836 if (wid_caps & AC_WCAP_CP_CAPS)
837 snd_iprintf(buffer, " CP");
838 snd_iprintf(buffer, "\n");
839
840 print_nid_array(buffer, codec, nid, &codec->mixers);
841 print_nid_array(buffer, codec, nid, &codec->nids);
842 print_nid_pcms(buffer, codec, nid);
843
844 /* volume knob is a special widget that always have connection
845 * list
846 */
847 if (wid_type == AC_WID_VOL_KNB)
848 wid_caps |= AC_WCAP_CONN_LIST;
849
850 if (wid_caps & AC_WCAP_CONN_LIST) {
851 conn_len = snd_hda_get_num_raw_conns(codec, nid);
852 if (conn_len > 0) {
853 conn = kmalloc_array(conn_len,
854 sizeof(hda_nid_t),
855 GFP_KERNEL);
856 if (!conn)
857 return;
858 if (snd_hda_get_raw_connections(codec, nid, conn,
859 conn_len) < 0)
860 conn_len = 0;
861 }
862 }
863
864 if (wid_caps & AC_WCAP_IN_AMP) {
865 snd_iprintf(buffer, " Amp-In caps: ");
866 print_amp_caps(buffer, codec, nid, HDA_INPUT);
867 snd_iprintf(buffer, " Amp-In vals: ");
868 if (wid_type == AC_WID_PIN ||
869 (codec->single_adc_amp &&
870 wid_type == AC_WID_AUD_IN))
871 print_amp_vals(buffer, codec, nid, HDA_INPUT,
872 wid_caps, 1);
873 else
874 print_amp_vals(buffer, codec, nid, HDA_INPUT,
875 wid_caps, conn_len);
876 }
877 if (wid_caps & AC_WCAP_OUT_AMP) {
878 snd_iprintf(buffer, " Amp-Out caps: ");
879 print_amp_caps(buffer, codec, nid, HDA_OUTPUT);
880 snd_iprintf(buffer, " Amp-Out vals: ");
881 if (wid_type == AC_WID_PIN &&
882 codec->pin_amp_workaround)
883 print_amp_vals(buffer, codec, nid, HDA_OUTPUT,
884 wid_caps, conn_len);
885 else
886 print_amp_vals(buffer, codec, nid, HDA_OUTPUT,
887 wid_caps, 1);
888 }
889
890 switch (wid_type) {
891 case AC_WID_PIN: {
892 int supports_vref;
893 print_pin_caps(buffer, codec, nid, &supports_vref);
894 print_pin_ctls(buffer, codec, nid, supports_vref);
895 break;
896 }
897 case AC_WID_VOL_KNB:
898 print_vol_knob(buffer, codec, nid);
899 break;
900 case AC_WID_AUD_OUT:
901 case AC_WID_AUD_IN:
902 print_audio_io(buffer, codec, nid, wid_type);
903 if (wid_caps & AC_WCAP_DIGITAL)
904 print_digital_conv(buffer, codec, nid);
905 if (wid_caps & AC_WCAP_FORMAT_OVRD) {
906 snd_iprintf(buffer, " PCM:\n");
907 print_pcm_caps(buffer, codec, nid);
908 }
909 break;
910 }
911
912 if (wid_caps & AC_WCAP_UNSOL_CAP)
913 print_unsol_cap(buffer, codec, nid);
914
915 if (wid_caps & AC_WCAP_POWER)
916 print_power_state(buffer, codec, nid);
917
918 if (wid_caps & AC_WCAP_DELAY)
919 snd_iprintf(buffer, " Delay: %d samples\n",
920 (wid_caps & AC_WCAP_DELAY) >>
921 AC_WCAP_DELAY_SHIFT);
922
923 if (wid_type == AC_WID_PIN && codec->dp_mst)
924 print_device_list(buffer, codec, nid);
925
926 if (wid_caps & AC_WCAP_CONN_LIST)
927 print_conn_list(buffer, codec, nid, wid_type,
928 conn, conn_len);
929
930 if (wid_caps & AC_WCAP_PROC_WID)
931 print_proc_caps(buffer, codec, nid);
932
933 if (codec->proc_widget_hook)
934 codec->proc_widget_hook(buffer, codec, nid);
935
936 kfree(conn);
937 }
938 snd_hda_power_down(codec);
939}
940
941/*
942 * create a proc read
943 */
944int snd_hda_codec_proc_new(struct hda_codec *codec)
945{
946 char name[32];
947
948 snprintf(name, sizeof(name), "codec#%d", codec->core.addr);
949 return snd_card_ro_proc_new(codec->card, name, codec, print_codec_info);
950}
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