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module: Convert symbol namespace to string literal
[linux.git] / sound / pci / hda / hda_proc.c
blob00c2eeb2c472d22348362dcac5f74ad4800e1286
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
17 static int dump_coef = -1;
18 module_param(dump_coef, int, 0644);
19 MODULE_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
25 static 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
47 static 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
74 static 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) {
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
93 static 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? */
112 static 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
133 static 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
161 static 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
177 static 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
186 static 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
199 static 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
213 static 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
228 static 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 */
247 static 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 */
278 static 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 */
291 static 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
304 static 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
400 static 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
438 static 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
450 static 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
468 static 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
502 static 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
512 static void print_power_state(struct snd_info_buffer *buffer,
513 struct hda_codec *codec, hda_nid_t nid)
514 {
515 static const char * const names[] = {
516 [ilog2(AC_PWRST_D0SUP)] = "D0",
517 [ilog2(AC_PWRST_D1SUP)] = "D1",
518 [ilog2(AC_PWRST_D2SUP)] = "D2",
519 [ilog2(AC_PWRST_D3SUP)] = "D3",
520 [ilog2(AC_PWRST_D3COLDSUP)] = "D3cold",
521 [ilog2(AC_PWRST_S3D3COLDSUP)] = "S3D3cold",
522 [ilog2(AC_PWRST_CLKSTOP)] = "CLKSTOP",
523 [ilog2(AC_PWRST_EPSS)] = "EPSS",
524 };
525
526 int sup = param_read(codec, nid, AC_PAR_POWER_STATE);
527 int pwr = snd_hda_codec_read(codec, nid, 0,
528 AC_VERB_GET_POWER_STATE, 0);
529 if (sup != -1) {
530 int i;
531
532 snd_iprintf(buffer, " Power states: ");
533 for (i = 0; i < ARRAY_SIZE(names); i++) {
534 if (sup & (1U << i))
535 snd_iprintf(buffer, " %s", names[i]);
536 }
537 snd_iprintf(buffer, "\n");
538 }
539
540 snd_iprintf(buffer, " Power: setting=%s, actual=%s",
541 get_pwr_state(pwr & AC_PWRST_SETTING),
542 get_pwr_state((pwr & AC_PWRST_ACTUAL) >>
543 AC_PWRST_ACTUAL_SHIFT));
544 if (pwr & AC_PWRST_ERROR)
545 snd_iprintf(buffer, ", Error");
546 if (pwr & AC_PWRST_CLK_STOP_OK)
547 snd_iprintf(buffer, ", Clock-stop-OK");
548 if (pwr & AC_PWRST_SETTING_RESET)
549 snd_iprintf(buffer, ", Setting-reset");
550 snd_iprintf(buffer, "\n");
551 }
552
553 static void print_unsol_cap(struct snd_info_buffer *buffer,
554 struct hda_codec *codec, hda_nid_t nid)
555 {
556 int unsol = snd_hda_codec_read(codec, nid, 0,
557 AC_VERB_GET_UNSOLICITED_RESPONSE, 0);
558 snd_iprintf(buffer,
559 " Unsolicited: tag=%02x, enabled=%d\n",
560 unsol & AC_UNSOL_TAG,
561 (unsol & AC_UNSOL_ENABLED) ? 1 : 0);
562 }
563
564 static inline bool can_dump_coef(struct hda_codec *codec)
565 {
566 switch (dump_coef) {
567 case 0: return false;
568 case 1: return true;
569 default: return codec->dump_coef;
570 }
571 }
572
573 static void print_proc_caps(struct snd_info_buffer *buffer,
574 struct hda_codec *codec, hda_nid_t nid)
575 {
576 unsigned int i, ncoeff, oldindex;
577 unsigned int proc_caps = param_read(codec, nid, AC_PAR_PROC_CAP);
578 ncoeff = (proc_caps & AC_PCAP_NUM_COEF) >> AC_PCAP_NUM_COEF_SHIFT;
579 snd_iprintf(buffer, " Processing caps: benign=%d, ncoeff=%d\n",
580 proc_caps & AC_PCAP_BENIGN, ncoeff);
581
582 if (!can_dump_coef(codec))
583 return;
584
585 /* Note: This is racy - another process could run in parallel and change
586 the coef index too. */
587 oldindex = snd_hda_codec_read(codec, nid, 0, AC_VERB_GET_COEF_INDEX, 0);
588 for (i = 0; i < ncoeff; i++) {
589 unsigned int val;
590 snd_hda_codec_write(codec, nid, 0, AC_VERB_SET_COEF_INDEX, i);
591 val = snd_hda_codec_read(codec, nid, 0, AC_VERB_GET_PROC_COEF,
592 0);
593 snd_iprintf(buffer, " Coeff 0x%02x: 0x%04x\n", i, val);
594 }
595 snd_hda_codec_write(codec, nid, 0, AC_VERB_SET_COEF_INDEX, oldindex);
596 }
597
598 static void print_conn_list(struct snd_info_buffer *buffer,
599 struct hda_codec *codec, hda_nid_t nid,
600 unsigned int wid_type, hda_nid_t *conn,
601 int conn_len)
602 {
603 int c, curr = -1;
604 const hda_nid_t *list;
605 int cache_len;
606
607 if (conn_len > 1 &&
608 wid_type != AC_WID_AUD_MIX &&
609 wid_type != AC_WID_VOL_KNB &&
610 wid_type != AC_WID_POWER)
611 curr = snd_hda_codec_read(codec, nid, 0,
612 AC_VERB_GET_CONNECT_SEL, 0);
613 snd_iprintf(buffer, " Connection: %d\n", conn_len);
614 if (conn_len > 0) {
615 snd_iprintf(buffer, " ");
616 for (c = 0; c < conn_len; c++) {
617 snd_iprintf(buffer, " 0x%02x", conn[c]);
618 if (c == curr)
619 snd_iprintf(buffer, "*");
620 }
621 snd_iprintf(buffer, "\n");
622 }
623
624 /* Get Cache connections info */
625 cache_len = snd_hda_get_conn_list(codec, nid, &list);
626 if (cache_len >= 0 && (cache_len != conn_len ||
627 memcmp(list, conn, conn_len) != 0)) {
628 snd_iprintf(buffer, " In-driver Connection: %d\n", cache_len);
629 if (cache_len > 0) {
630 snd_iprintf(buffer, " ");
631 for (c = 0; c < cache_len; c++)
632 snd_iprintf(buffer, " 0x%02x", list[c]);
633 snd_iprintf(buffer, "\n");
634 }
635 }
636 }
637
638 static void print_gpio(struct snd_info_buffer *buffer,
639 struct hda_codec *codec, hda_nid_t nid)
640 {
641 unsigned int gpio =
642 param_read(codec, codec->core.afg, AC_PAR_GPIO_CAP);
643 unsigned int enable, direction, wake, unsol, sticky, data;
644 int i, max;
645 snd_iprintf(buffer, "GPIO: io=%d, o=%d, i=%d, "
646 "unsolicited=%d, wake=%d\n",
647 gpio & AC_GPIO_IO_COUNT,
648 (gpio & AC_GPIO_O_COUNT) >> AC_GPIO_O_COUNT_SHIFT,
649 (gpio & AC_GPIO_I_COUNT) >> AC_GPIO_I_COUNT_SHIFT,
650 (gpio & AC_GPIO_UNSOLICITED) ? 1 : 0,
651 (gpio & AC_GPIO_WAKE) ? 1 : 0);
652 max = gpio & AC_GPIO_IO_COUNT;
653 if (!max || max > 8)
654 return;
655 enable = snd_hda_codec_read(codec, nid, 0,
656 AC_VERB_GET_GPIO_MASK, 0);
657 direction = snd_hda_codec_read(codec, nid, 0,
658 AC_VERB_GET_GPIO_DIRECTION, 0);
659 wake = snd_hda_codec_read(codec, nid, 0,
660 AC_VERB_GET_GPIO_WAKE_MASK, 0);
661 unsol = snd_hda_codec_read(codec, nid, 0,
662 AC_VERB_GET_GPIO_UNSOLICITED_RSP_MASK, 0);
663 sticky = snd_hda_codec_read(codec, nid, 0,
664 AC_VERB_GET_GPIO_STICKY_MASK, 0);
665 data = snd_hda_codec_read(codec, nid, 0,
666 AC_VERB_GET_GPIO_DATA, 0);
667 for (i = 0; i < max; ++i)
668 snd_iprintf(buffer,
669 " IO[%d]: enable=%d, dir=%d, wake=%d, "
670 "sticky=%d, data=%d, unsol=%d\n", i,
671 (enable & (1<<i)) ? 1 : 0,
672 (direction & (1<<i)) ? 1 : 0,
673 (wake & (1<<i)) ? 1 : 0,
674 (sticky & (1<<i)) ? 1 : 0,
675 (data & (1<<i)) ? 1 : 0,
676 (unsol & (1<<i)) ? 1 : 0);
677 /* FIXME: add GPO and GPI pin information */
678 print_nid_array(buffer, codec, nid, &codec->mixers);
679 print_nid_array(buffer, codec, nid, &codec->nids);
680 }
681
682 static void print_dpmst_connections(struct snd_info_buffer *buffer, struct hda_codec *codec,
683 hda_nid_t nid, int dev_num)
684 {
685 int c, conn_len, curr, dev_id_saved;
686 hda_nid_t *conn;
687
688 conn_len = snd_hda_get_num_raw_conns(codec, nid);
689 if (conn_len <= 0)
690 return;
691
692 conn = kmalloc_array(conn_len, sizeof(hda_nid_t), GFP_KERNEL);
693 if (!conn)
694 return;
695
696 dev_id_saved = snd_hda_get_dev_select(codec, nid);
697
698 snd_hda_set_dev_select(codec, nid, dev_num);
699 curr = snd_hda_codec_read(codec, nid, 0, AC_VERB_GET_CONNECT_SEL, 0);
700 if (snd_hda_get_raw_connections(codec, nid, conn, conn_len) < 0)
701 goto out;
702
703 for (c = 0; c < conn_len; c++) {
704 snd_iprintf(buffer, " 0x%02x", conn[c]);
705 if (c == curr)
706 snd_iprintf(buffer, "*");
707 }
708
709 out:
710 kfree(conn);
711 snd_hda_set_dev_select(codec, nid, dev_id_saved);
712 }
713
714 static void print_device_list(struct snd_info_buffer *buffer,
715 struct hda_codec *codec, hda_nid_t nid)
716 {
717 int i, curr = -1;
718 u8 dev_list[AC_MAX_DEV_LIST_LEN];
719 int devlist_len;
720
721 devlist_len = snd_hda_get_devices(codec, nid, dev_list,
722 AC_MAX_DEV_LIST_LEN);
723 snd_iprintf(buffer, " Devices: %d\n", devlist_len);
724 if (devlist_len <= 0)
725 return;
726
727 curr = snd_hda_codec_read(codec, nid, 0,
728 AC_VERB_GET_DEVICE_SEL, 0);
729
730 for (i = 0; i < devlist_len; i++) {
731 if (i == curr)
732 snd_iprintf(buffer, " *");
733 else
734 snd_iprintf(buffer, " ");
735
736 snd_iprintf(buffer,
737 "Dev %02d: PD = %d, ELDV = %d, IA = %d, Connections [", i,
738 !!(dev_list[i] & AC_DE_PD),
739 !!(dev_list[i] & AC_DE_ELDV),
740 !!(dev_list[i] & AC_DE_IA));
741
742 print_dpmst_connections(buffer, codec, nid, i);
743
744 snd_iprintf(buffer, " ]\n");
745 }
746 }
747
748 static void print_codec_core_info(struct hdac_device *codec,
749 struct snd_info_buffer *buffer)
750 {
751 snd_iprintf(buffer, "Codec: ");
752 if (codec->vendor_name && codec->chip_name)
753 snd_iprintf(buffer, "%s %s\n",
754 codec->vendor_name, codec->chip_name);
755 else
756 snd_iprintf(buffer, "Not Set\n");
757 snd_iprintf(buffer, "Address: %d\n", codec->addr);
758 if (codec->afg)
759 snd_iprintf(buffer, "AFG Function Id: 0x%x (unsol %u)\n",
760 codec->afg_function_id, codec->afg_unsol);
761 if (codec->mfg)
762 snd_iprintf(buffer, "MFG Function Id: 0x%x (unsol %u)\n",
763 codec->mfg_function_id, codec->mfg_unsol);
764 snd_iprintf(buffer, "Vendor Id: 0x%08x\n", codec->vendor_id);
765 snd_iprintf(buffer, "Subsystem Id: 0x%08x\n", codec->subsystem_id);
766 snd_iprintf(buffer, "Revision Id: 0x%x\n", codec->revision_id);
767
768 if (codec->mfg)
769 snd_iprintf(buffer, "Modem Function Group: 0x%x\n", codec->mfg);
770 else
771 snd_iprintf(buffer, "No Modem Function Group found\n");
772 }
773
774 static void print_codec_info(struct snd_info_entry *entry,
775 struct snd_info_buffer *buffer)
776 {
777 struct hda_codec *codec = entry->private_data;
778 hda_nid_t nid, fg;
779 int i, nodes;
780
781 print_codec_core_info(&codec->core, buffer);
782 fg = codec->core.afg;
783 if (!fg)
784 return;
785 snd_hda_power_up(codec);
786 snd_iprintf(buffer, "Default PCM:\n");
787 print_pcm_caps(buffer, codec, fg);
788 snd_iprintf(buffer, "Default Amp-In caps: ");
789 print_amp_caps(buffer, codec, fg, HDA_INPUT);
790 snd_iprintf(buffer, "Default Amp-Out caps: ");
791 print_amp_caps(buffer, codec, fg, HDA_OUTPUT);
792 snd_iprintf(buffer, "State of AFG node 0x%02x:\n", fg);
793 print_power_state(buffer, codec, fg);
794
795 nodes = snd_hda_get_sub_nodes(codec, fg, &nid);
796 if (! nid || nodes < 0) {
797 snd_iprintf(buffer, "Invalid AFG subtree\n");
798 snd_hda_power_down(codec);
799 return;
800 }
801
802 print_gpio(buffer, codec, fg);
803 if (codec->proc_widget_hook)
804 codec->proc_widget_hook(buffer, codec, fg);
805
806 for (i = 0; i < nodes; i++, nid++) {
807 unsigned int wid_caps =
808 param_read(codec, nid, AC_PAR_AUDIO_WIDGET_CAP);
809 unsigned int wid_type = get_wcaps_type(wid_caps);
810 hda_nid_t *conn = NULL;
811 int conn_len = 0;
812
813 snd_iprintf(buffer, "Node 0x%02x [%s] wcaps 0x%x:", nid,
814 get_wid_type_name(wid_type), wid_caps);
815 if (wid_caps & AC_WCAP_STEREO) {
816 unsigned int chans = get_wcaps_channels(wid_caps);
817 if (chans == 2)
818 snd_iprintf(buffer, " Stereo");
819 else
820 snd_iprintf(buffer, " %d-Channels", chans);
821 } else
822 snd_iprintf(buffer, " Mono");
823 if (wid_caps & AC_WCAP_DIGITAL)
824 snd_iprintf(buffer, " Digital");
825 if (wid_caps & AC_WCAP_IN_AMP)
826 snd_iprintf(buffer, " Amp-In");
827 if (wid_caps & AC_WCAP_OUT_AMP)
828 snd_iprintf(buffer, " Amp-Out");
829 if (wid_caps & AC_WCAP_STRIPE)
830 snd_iprintf(buffer, " Stripe");
831 if (wid_caps & AC_WCAP_LR_SWAP)
832 snd_iprintf(buffer, " R/L");
833 if (wid_caps & AC_WCAP_CP_CAPS)
834 snd_iprintf(buffer, " CP");
835 snd_iprintf(buffer, "\n");
836
837 print_nid_array(buffer, codec, nid, &codec->mixers);
838 print_nid_array(buffer, codec, nid, &codec->nids);
839 print_nid_pcms(buffer, codec, nid);
840
841 /* volume knob is a special widget that always have connection
842 * list
843 */
844 if (wid_type == AC_WID_VOL_KNB)
845 wid_caps |= AC_WCAP_CONN_LIST;
846
847 if (wid_caps & AC_WCAP_CONN_LIST) {
848 conn_len = snd_hda_get_num_raw_conns(codec, nid);
849 if (conn_len > 0) {
850 conn = kmalloc_array(conn_len,
851 sizeof(hda_nid_t),
852 GFP_KERNEL);
853 if (!conn)
854 return;
855 if (snd_hda_get_raw_connections(codec, nid, conn,
856 conn_len) < 0)
857 conn_len = 0;
858 }
859 }
860
861 if (wid_caps & AC_WCAP_IN_AMP) {
862 snd_iprintf(buffer, " Amp-In caps: ");
863 print_amp_caps(buffer, codec, nid, HDA_INPUT);
864 snd_iprintf(buffer, " Amp-In vals: ");
865 if (wid_type == AC_WID_PIN ||
866 (codec->single_adc_amp &&
867 wid_type == AC_WID_AUD_IN))
868 print_amp_vals(buffer, codec, nid, HDA_INPUT,
869 wid_caps, 1);
870 else
871 print_amp_vals(buffer, codec, nid, HDA_INPUT,
872 wid_caps, conn_len);
873 }
874 if (wid_caps & AC_WCAP_OUT_AMP) {
875 snd_iprintf(buffer, " Amp-Out caps: ");
876 print_amp_caps(buffer, codec, nid, HDA_OUTPUT);
877 snd_iprintf(buffer, " Amp-Out vals: ");
878 if (wid_type == AC_WID_PIN &&
879 codec->pin_amp_workaround)
880 print_amp_vals(buffer, codec, nid, HDA_OUTPUT,
881 wid_caps, conn_len);
882 else
883 print_amp_vals(buffer, codec, nid, HDA_OUTPUT,
884 wid_caps, 1);
885 }
886
887 switch (wid_type) {
888 case AC_WID_PIN: {
889 int supports_vref;
890 print_pin_caps(buffer, codec, nid, &supports_vref);
891 print_pin_ctls(buffer, codec, nid, supports_vref);
892 break;
893 }
894 case AC_WID_VOL_KNB:
895 print_vol_knob(buffer, codec, nid);
896 break;
897 case AC_WID_AUD_OUT:
898 case AC_WID_AUD_IN:
899 print_audio_io(buffer, codec, nid, wid_type);
900 if (wid_caps & AC_WCAP_DIGITAL)
901 print_digital_conv(buffer, codec, nid);
902 if (wid_caps & AC_WCAP_FORMAT_OVRD) {
903 snd_iprintf(buffer, " PCM:\n");
904 print_pcm_caps(buffer, codec, nid);
905 }
906 break;
907 }
908
909 if (wid_caps & AC_WCAP_UNSOL_CAP)
910 print_unsol_cap(buffer, codec, nid);
911
912 if (wid_caps & AC_WCAP_POWER)
913 print_power_state(buffer, codec, nid);
914
915 if (wid_caps & AC_WCAP_DELAY)
916 snd_iprintf(buffer, " Delay: %d samples\n",
917 (wid_caps & AC_WCAP_DELAY) >>
918 AC_WCAP_DELAY_SHIFT);
919
920 if (wid_type == AC_WID_PIN && codec->dp_mst)
921 print_device_list(buffer, codec, nid);
922
923 if (wid_caps & AC_WCAP_CONN_LIST)
924 print_conn_list(buffer, codec, nid, wid_type,
925 conn, conn_len);
926
927 if (wid_caps & AC_WCAP_PROC_WID)
928 print_proc_caps(buffer, codec, nid);
929
930 if (codec->proc_widget_hook)
931 codec->proc_widget_hook(buffer, codec, nid);
932
933 kfree(conn);
934 }
935 snd_hda_power_down(codec);
936 }
937
938 /*
939 * create a proc read
940 */
941 int snd_hda_codec_proc_new(struct hda_codec *codec)
942 {
943 char name[32];
944
945 snprintf(name, sizeof(name), "codec#%d", codec->core.addr);
946 return snd_card_ro_proc_new(codec->card, name, codec, print_codec_info);
947 }
948
Linux Kernel