aboutsummaryrefslogtreecommitdiffstats
path: root/sound/pci/hda/hda_proc.c
blob: 4b8d64498fb16a5ff3d27321a92f139e61fefb98 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
/*
 * Universal Interface for Intel High Definition Audio Codec
 * 
 * Generic proc interface
 *
 * Copyright (c) 2004 Takashi Iwai <tiwai@suse.de>
 *
 *
 *  This driver is free software; you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License as published by
 *  the Free Software Foundation; either version 2 of the License, or
 *  (at your option) any later version.
 *
 *  This driver is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *  GNU General Public License for more details.
 *
 *  You should have received a copy of the GNU General Public License
 *  along with this program; if not, write to the Free Software
 *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
 */

#include <linux/init.h>
#include <sound/core.h>
#include "hda_codec.h"
#include "hda_local.h"

static const char *get_wid_type_name(unsigned int wid_value)
{
	static char *names[16] = {
		[AC_WID_AUD_OUT] = "Audio Output",
		[AC_WID_AUD_IN] = "Audio Input",
		[AC_WID_AUD_MIX] = "Audio Mixer",
		[AC_WID_AUD_SEL] = "Audio Selector",
		[AC_WID_PIN] = "Pin Complex",
		[AC_WID_POWER] = "Power Widget",
		[AC_WID_VOL_KNB] = "Volume Knob Widget",
		[AC_WID_BEEP] = "Beep Generator Widget",
		[AC_WID_VENDOR] = "Vendor Defined Widget",
	};
	wid_value &= 0xf;
	if (names[wid_value])
		return names[wid_value];
	else
		return "UNKNOWN Widget";
}

static void print_amp_caps(struct snd_info_buffer *buffer,
			   struct hda_codec *codec, hda_nid_t nid, int dir)
{
	unsigned int caps;
	caps = snd_hda_param_read(codec, nid,
				  dir == HDA_OUTPUT ?
				    AC_PAR_AMP_OUT_CAP : AC_PAR_AMP_IN_CAP);
	if (caps == -1 || caps == 0) {
		snd_iprintf(buffer, "N/A\n");
		return;
	}
	snd_iprintf(buffer, "ofs=0x%02x, nsteps=0x%02x, stepsize=0x%02x, "
		    "mute=%x\n",
		    caps & AC_AMPCAP_OFFSET,
		    (caps & AC_AMPCAP_NUM_STEPS) >> AC_AMPCAP_NUM_STEPS_SHIFT,
		    (caps & AC_AMPCAP_STEP_SIZE) >> AC_AMPCAP_STEP_SIZE_SHIFT,
		    (caps & AC_AMPCAP_MUTE) >> AC_AMPCAP_MUTE_SHIFT);
}

static void print_amp_vals(struct snd_info_buffer *buffer,
			   struct hda_codec *codec, hda_nid_t nid,
			   int dir, int stereo, int indices)
{
	unsigned int val;
	int i;

	dir = dir == HDA_OUTPUT ? AC_AMP_GET_OUTPUT : AC_AMP_GET_INPUT;
	for (i = 0; i < indices; i++) {
		snd_iprintf(buffer, " [");
		if (stereo) {
			val = snd_hda_codec_read(codec, nid, 0,
						 AC_VERB_GET_AMP_GAIN_MUTE,
						 AC_AMP_GET_LEFT | dir | i);
			snd_iprintf(buffer, "0x%02x ", val);
		}
		val = snd_hda_codec_read(codec, nid, 0,
					 AC_VERB_GET_AMP_GAIN_MUTE,
					 AC_AMP_GET_RIGHT | dir | i);
		snd_iprintf(buffer, "0x%02x]", val);
	}
	snd_iprintf(buffer, "\n");
}

static void print_pcm_rates(struct snd_info_buffer *buffer, unsigned int pcm)
{
	static unsigned int rates[] = {
		8000, 11025, 16000, 22050, 32000, 44100, 48000, 88200,
		96000, 176400, 192000, 384000
	};
	int i;

	pcm &= AC_SUPPCM_RATES;
	snd_iprintf(buffer, "    rates [0x%x]:", pcm);
	for (i = 0; i < ARRAY_SIZE(rates); i++) 
		if (pcm & (1 << i))
			snd_iprintf(buffer, " %d", rates[i]);
	snd_iprintf(buffer, "\n");
}

static void print_pcm_bits(struct snd_info_buffer *buffer, unsigned int pcm)
{
	static unsigned int bits[] = { 8, 16, 20, 24, 32 };
	int i;

	pcm = (pcm >> 16) & 0xff;
	snd_iprintf(buffer, "    bits [0x%x]:", pcm);
	for (i = 0; i < ARRAY_SIZE(bits); i++)
		if (pcm & (1 << i))
			snd_iprintf(buffer, " %d", bits[i]);
	snd_iprintf(buffer, "\n");
}

static void print_pcm_formats(struct snd_info_buffer *buffer,
			      unsigned int streams)
{
	snd_iprintf(buffer, "    formats [0x%x]:", streams & 0xf);
	if (streams & AC_SUPFMT_PCM)
		snd_iprintf(buffer, " PCM");
	if (streams & AC_SUPFMT_FLOAT32)
		snd_iprintf(buffer, " FLOAT");
	if (streams & AC_SUPFMT_AC3)
		snd_iprintf(buffer, " AC3");
	snd_iprintf(buffer, "\n");
}

static void print_pcm_caps(struct snd_info_buffer *buffer,
			   struct hda_codec *codec, hda_nid_t nid)
{
	unsigned int pcm = snd_hda_param_read(codec, nid, AC_PAR_PCM);
	unsigned int stream = snd_hda_param_read(codec, nid, AC_PAR_STREAM);
	if (pcm == -1 || stream == -1) {
		snd_iprintf(buffer, "N/A\n");
		return;
	}
	print_pcm_rates(buffer, pcm);
	print_pcm_bits(buffer, pcm);
	print_pcm_formats(buffer, stream);
}

static const char *get_jack_location(u32 cfg)
{
	static char *bases[7] = {
		"N/A", "Rear", "Front", "Left", "Right", "Top", "Bottom",
	};
	static unsigned char specials_idx[] = {
		0x07, 0x08,
		0x17, 0x18, 0x19,
		0x37, 0x38
	};
	static char *specials[] = {
		"Rear Panel", "Drive Bar",
		"Riser", "HDMI", "ATAPI",
		"Mobile-In", "Mobile-Out"
	};
	int i;
	cfg = (cfg & AC_DEFCFG_LOCATION) >> AC_DEFCFG_LOCATION_SHIFT;
	if ((cfg & 0x0f) < 7)
		return bases[cfg & 0x0f];
	for (i = 0; i < ARRAY_SIZE(specials_idx); i++) {
		if (cfg == specials_idx[i])
			return specials[i];
	}
	return "UNKNOWN";
}

static const char *get_jack_connection(u32 cfg)
{
	static char *names[16] = {
		"Unknown", "1/8", "1/4", "ATAPI",
		"RCA", "Optical","Digital", "Analog",
		"DIN", "XLR", "RJ11", "Comb",
		NULL, NULL, NULL, "Other"
	};
	cfg = (cfg & AC_DEFCFG_CONN_TYPE) >> AC_DEFCFG_CONN_TYPE_SHIFT;
	if (names[cfg])
		return names[cfg];
	else
		return "UNKNOWN";
}

static const char *get_jack_color(u32 cfg)
{
	static char *names[16] = {
		"Unknown", "Black", "Grey", "Blue",
		"Green", "Red", "Orange", "Yellow",
		"Purple", "Pink", NULL, NULL,
		NULL, NULL, "White", "Other",
	};
	cfg = (cfg & AC_DEFCFG_COLOR) >> AC_DEFCFG_COLOR_SHIFT;
	if (names[cfg])
		return names[cfg];
	else
		return "UNKNOWN";
}

static void print_pin_caps(struct snd_info_buffer *buffer,
			   struct hda_codec *codec, hda_nid_t nid)
{
	static char *jack_conns[4] = { "Jack", "N/A", "Fixed", "Both" };
	static char *jack_types[16] = {
		"Line Out", "Speaker", "HP Out", "CD",
		"SPDIF Out", "Digital Out", "Modem Line", "Modem Hand",
		"Line In", "Aux", "Mic", "Telephony",
		"SPDIF In", "Digitial In", "Reserved", "Other"
	};
	static char *jack_locations[4] = { "Ext", "Int", "Sep", "Oth" };
	unsigned int caps, val;

	caps = snd_hda_param_read(codec, nid, AC_PAR_PIN_CAP);
	snd_iprintf(buffer, "  Pincap 0x08%x:", caps);
	if (caps & AC_PINCAP_IN)
		snd_iprintf(buffer, " IN");
	if (caps & AC_PINCAP_OUT)
		snd_iprintf(buffer, " OUT");
	if (caps & AC_PINCAP_HP_DRV)
		snd_iprintf(buffer, " HP");
	if (caps & AC_PINCAP_EAPD)
		snd_iprintf(buffer, " EAPD");
	if (caps & AC_PINCAP_PRES_DETECT)
		snd_iprintf(buffer, " Detect");
	snd_iprintf(buffer, "\n");
	caps = snd_hda_codec_read(codec, nid, 0, AC_VERB_GET_CONFIG_DEFAULT, 0);
	snd_iprintf(buffer, "  Pin Default 0x%08x: [%s] %s at %s %s\n", caps,
		    jack_conns[(caps & AC_DEFCFG_PORT_CONN) >> AC_DEFCFG_PORT_CONN_SHIFT],
		    jack_types[(caps & AC_DEFCFG_DEVICE) >> AC_DEFCFG_DEVICE_SHIFT],
		    jack_locations[(caps >> (AC_DEFCFG_LOCATION_SHIFT + 4)) & 3],
		    get_jack_location(caps));
	snd_iprintf(buffer, "    Conn = %s, Color = %s\n",
		    get_jack_connection(caps),
		    get_jack_color(caps));
	if (caps & AC_PINCAP_EAPD) {
		val = snd_hda_codec_read(codec, nid, 0,
					 AC_VERB_GET_EAPD_BTLENABLE, 0);
		snd_iprintf(buffer, "  EAPD: 0x%x\n", val);
	}
}


static void print_codec_info(struct snd_info_entry *entry,
			     struct snd_info_buffer *buffer)
{
	struct hda_codec *codec = entry->private_data;
	char buf[32];
	hda_nid_t nid;
	int i, nodes;

	snd_hda_get_codec_name(codec, buf, sizeof(buf));
	snd_iprintf(buffer, "Codec: %s\n", buf);
	snd_iprintf(buffer, "Address: %d\n", codec->addr);
	snd_iprintf(buffer, "Vendor Id: 0x%x\n", codec->vendor_id);
	snd_iprintf(buffer, "Subsystem Id: 0x%x\n", codec->subsystem_id);
	snd_iprintf(buffer, "Revision Id: 0x%x\n", codec->revision_id);

	if (codec->mfg)
		snd_iprintf(buffer, "Modem Function Group: 0x%x\n", codec->mfg);
	else
		snd_iprintf(buffer, "No Modem Function Group found\n");

	if (! codec->afg)
		return;
	snd_hda_power_up(codec);
	snd_iprintf(buffer, "Default PCM:\n");
	print_pcm_caps(buffer, codec, codec->afg);
	snd_iprintf(buffer, "Default Amp-In caps: ");
	print_amp_caps(buffer, codec, codec->afg, HDA_INPUT);
	snd_iprintf(buffer, "Default Amp-Out caps: ");
	print_amp_caps(buffer, codec, codec->afg, HDA_OUTPUT);

	nodes = snd_hda_get_sub_nodes(codec, codec->afg, &nid);
	if (! nid || nodes < 0) {
		snd_iprintf(buffer, "Invalid AFG subtree\n");
		snd_hda_power_down(codec);
		return;
	}
	for (i = 0; i < nodes; i++, nid++) {
		unsigned int wid_caps =
			snd_hda_param_read(codec, nid,
					   AC_PAR_AUDIO_WIDGET_CAP);
		unsigned int wid_type =
			(wid_caps & AC_WCAP_TYPE) >> AC_WCAP_TYPE_SHIFT;
		int conn_len = 0; 
		hda_nid_t conn[HDA_MAX_CONNECTIONS];
		unsigned int pinctls;

		snd_iprintf(buffer, "Node 0x%02x [%s] wcaps 0x%x:", nid,
			    get_wid_type_name(wid_type), wid_caps);
		if (wid_caps & AC_WCAP_STEREO)
			snd_iprintf(buffer, " Stereo");
		else
			snd_iprintf(buffer, " Mono");
		if (wid_caps & AC_WCAP_DIGITAL)
			snd_iprintf(buffer, " Digital");
		if (wid_caps & AC_WCAP_IN_AMP)
			snd_iprintf(buffer, " Amp-In");
		if (wid_caps & AC_WCAP_OUT_AMP)
			snd_iprintf(buffer, " Amp-Out");
		snd_iprintf(buffer, "\n");

		/* volume knob is a special widget that always have connection
		 * list
		 */
		if (wid_type == AC_WID_VOL_KNB)
			wid_caps |= AC_WCAP_CONN_LIST;

		if (wid_caps & AC_WCAP_CONN_LIST)
			conn_len = snd_hda_get_connections(codec, nid, conn,
							   HDA_MAX_CONNECTIONS);

		if (wid_caps & AC_WCAP_IN_AMP) {
			snd_iprintf(buffer, "  Amp-In caps: ");
			print_amp_caps(buffer, codec, nid, HDA_INPUT);
			snd_iprintf(buffer, "  Amp-In vals: ");
			print_amp_vals(buffer, codec, nid, HDA_INPUT,
				       wid_caps & AC_WCAP_STEREO, conn_len);
		}
		if (wid_caps & AC_WCAP_OUT_AMP) {
			snd_iprintf(buffer, "  Amp-Out caps: ");
			print_amp_caps(buffer, codec, nid, HDA_OUTPUT);
			snd_iprintf(buffer, "  Amp-Out vals: ");
			print_amp_vals(buffer, codec, nid, HDA_OUTPUT,
				       wid_caps & AC_WCAP_STEREO, 1);
		}

		switch (wid_type) {
		case AC_WID_PIN:
			print_pin_caps(buffer, codec, nid);
			pinctls = snd_hda_codec_read(codec, nid, 0,
					     AC_VERB_GET_PIN_WIDGET_CONTROL,
						     0);
			snd_iprintf(buffer, "  Pin-ctls: 0x%02x:", pinctls);
			if (pinctls & AC_PINCTL_IN_EN)
				snd_iprintf(buffer, " IN");
			if (pinctls & AC_PINCTL_OUT_EN)
				snd_iprintf(buffer, " OUT");
			if (pinctls & AC_PINCTL_HP_EN)
				snd_iprintf(buffer, " HP");
			snd_iprintf(buffer, "\n");
			break;
		case AC_WID_VOL_KNB:
			pinctls = snd_hda_param_read(codec, nid,
						     AC_PAR_VOL_KNB_CAP);
			snd_iprintf(buffer, "  Volume-Knob: delta=%d, "
				    "steps=%d, ",
				    (pinctls >> 7) & 1, pinctls & 0x7f);
			pinctls = snd_hda_codec_read(codec, nid, 0,
					AC_VERB_GET_VOLUME_KNOB_CONTROL, 0);
			snd_iprintf(buffer, "direct=%d, val=%d\n",
				    (pinctls >> 7) & 1, pinctls & 0x7f);
			break;
		case AC_WID_AUD_OUT:
		case AC_WID_AUD_IN:
			if (wid_caps & AC_WCAP_FORMAT_OVRD) {
				snd_iprintf(buffer, "  PCM:\n");
				print_pcm_caps(buffer, codec, nid);
			}
			break;
		}

		if (wid_caps & AC_WCAP_POWER)
			snd_iprintf(buffer, "  Power: 0x%x\n",
				    snd_hda_codec_read(codec, nid, 0,
						       AC_VERB_GET_POWER_STATE,
						       0));

		if (wid_caps & AC_WCAP_CONN_LIST) {
			int c, curr = -1;
			if (conn_len > 1 && wid_type != AC_WID_AUD_MIX)
				curr = snd_hda_codec_read(codec, nid, 0,
					AC_VERB_GET_CONNECT_SEL, 0);
			snd_iprintf(buffer, "  Connection: %d\n", conn_len);
			if (conn_len > 0) {
				snd_iprintf(buffer, "    ");
				for (c = 0; c < conn_len; c++) {
					snd_iprintf(buffer, " 0x%02x", conn[c]);
					if (c == curr)
						snd_iprintf(buffer, "*");
				}
				snd_iprintf(buffer, "\n");
			}
		}
	}
	snd_hda_power_down(codec);
}

/*
 * create a proc read
 */
int snd_hda_codec_proc_new(struct hda_codec *codec)
{
	char name[32];
	struct snd_info_entry *entry;
	int err;

	snprintf(name, sizeof(name), "codec#%d", codec->addr);
	err = snd_card_proc_new(codec->bus->card, name, &entry);
	if (err < 0)
		return err;

	snd_info_set_text_ops(entry, codec, print_codec_info);
	return 0;
}

Privacy Policy