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