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