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) {
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	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
553static 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
564static 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
573static 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
598static 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
638static 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
682static 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
709out:
710	kfree(conn);
711	snd_hda_set_dev_select(codec, nid, dev_id_saved);
712}
713
714static 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
748static 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
774static 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 */
941int 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
949