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ALSA: hda - Don't access invalid substream in proc file
[deliverable/linux.git] / sound / pci / hda / hda_proc.c
CommitLineData
1da177e4
LT		 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
1da177e4 24#include <linux/init.h>
1da177e4
LT		 25#include <sound/core.h>
26#include "hda_codec.h"
18612048 27#include "hda_local.h"
1da177e4
LT		 28
29static const char *get_wid_type_name(unsigned int wid_value)
30{
31 static char *names[16] = {
32 [AC_WID_AUD_OUT] = "Audio Output",
33 [AC_WID_AUD_IN] = "Audio Input",
34 [AC_WID_AUD_MIX] = "Audio Mixer",
35 [AC_WID_AUD_SEL] = "Audio Selector",
36 [AC_WID_PIN] = "Pin Complex",
37 [AC_WID_POWER] = "Power Widget",
38 [AC_WID_VOL_KNB] = "Volume Knob Widget",
39 [AC_WID_BEEP] = "Beep Generator Widget",
40 [AC_WID_VENDOR] = "Vendor Defined Widget",
41 };
42 wid_value &= 0xf;
43 if (names[wid_value])
44 return names[wid_value];
45 else
3bc89529 46 return "UNKNOWN Widget";
1da177e4
LT		 47}
48
c8b6bf9b 49static void print_amp_caps(struct snd_info_buffer *buffer,
1da177e4
LT		 50 struct hda_codec *codec, hda_nid_t nid, int dir)
51{
52 unsigned int caps;
7f0e2f8b
JK		 53 caps = snd_hda_param_read(codec, nid,
54 dir == HDA_OUTPUT ?
55 AC_PAR_AMP_OUT_CAP : AC_PAR_AMP_IN_CAP);
1da177e4
LT		 56 if (caps == -1 || caps == 0) {
57 snd_iprintf(buffer, "N/A\n");
58 return;
59 }
d01ce99f
TI		 60 snd_iprintf(buffer, "ofs=0x%02x, nsteps=0x%02x, stepsize=0x%02x, "
61 "mute=%x\n",
1da177e4
LT		 62 caps & AC_AMPCAP_OFFSET,
63 (caps & AC_AMPCAP_NUM_STEPS) >> AC_AMPCAP_NUM_STEPS_SHIFT,
64 (caps & AC_AMPCAP_STEP_SIZE) >> AC_AMPCAP_STEP_SIZE_SHIFT,
65 (caps & AC_AMPCAP_MUTE) >> AC_AMPCAP_MUTE_SHIFT);
66}
67
c8b6bf9b 68static void print_amp_vals(struct snd_info_buffer *buffer,
1da177e4 69 struct hda_codec *codec, hda_nid_t nid,
3e289f16 70 int dir, int stereo, int indices)
1da177e4
LT		 71{
72 unsigned int val;
3e289f16
TI		 73 int i;
74
7f0e2f8b 75 dir = dir == HDA_OUTPUT ? AC_AMP_GET_OUTPUT : AC_AMP_GET_INPUT;
3e289f16
TI		 76 for (i = 0; i < indices; i++) {
77 snd_iprintf(buffer, " [");
78 if (stereo) {
d01ce99f
TI		 79 val = snd_hda_codec_read(codec, nid, 0,
80 AC_VERB_GET_AMP_GAIN_MUTE,
3e289f16
TI		 81 AC_AMP_GET_LEFT | dir | i);
82 snd_iprintf(buffer, "0x%02x ", val);
83 }
d01ce99f
TI		 84 val = snd_hda_codec_read(codec, nid, 0,
85 AC_VERB_GET_AMP_GAIN_MUTE,
3e289f16
TI		 86 AC_AMP_GET_RIGHT | dir | i);
87 snd_iprintf(buffer, "0x%02x]", val);
1da177e4 88 }
3e289f16 89 snd_iprintf(buffer, "\n");
1da177e4
LT		 90}
91
33deeca3
WF		 92static void print_pcm_rates(struct snd_info_buffer *buffer, unsigned int pcm)
93{
94 char buf[SND_PRINT_RATES_ADVISED_BUFSIZE];
d39b4352 95
b90d7760
TI		 96 pcm &= AC_SUPPCM_RATES;
97 snd_iprintf(buffer, " rates [0x%x]:", pcm);
33deeca3
WF		 98 snd_print_pcm_rates(pcm, buf, sizeof(buf));
99 snd_iprintf(buffer, "%s\n", buf);
b90d7760
TI		 100}
101
d39b4352
WF		 102static void print_pcm_bits(struct snd_info_buffer *buffer, unsigned int pcm)
103{
104 char buf[SND_PRINT_BITS_ADVISED_BUFSIZE];
b90d7760 105
b0e6481a 106 snd_iprintf(buffer, " bits [0x%x]:", (pcm >> 16) & 0xff);
d39b4352
WF		 107 snd_print_pcm_bits(pcm, buf, sizeof(buf));
108 snd_iprintf(buffer, "%s\n", buf);
b90d7760
TI		 109}
110
111static void print_pcm_formats(struct snd_info_buffer *buffer,
112 unsigned int streams)
113{
114 snd_iprintf(buffer, " formats [0x%x]:", streams & 0xf);
115 if (streams & AC_SUPFMT_PCM)
116 snd_iprintf(buffer, " PCM");
117 if (streams & AC_SUPFMT_FLOAT32)
118 snd_iprintf(buffer, " FLOAT");
119 if (streams & AC_SUPFMT_AC3)
120 snd_iprintf(buffer, " AC3");
121 snd_iprintf(buffer, "\n");
122}
123
c8b6bf9b 124static void print_pcm_caps(struct snd_info_buffer *buffer,
1da177e4
LT		 125 struct hda_codec *codec, hda_nid_t nid)
126{
127 unsigned int pcm = snd_hda_param_read(codec, nid, AC_PAR_PCM);
128 unsigned int stream = snd_hda_param_read(codec, nid, AC_PAR_STREAM);
129 if (pcm == -1 || stream == -1) {
130 snd_iprintf(buffer, "N/A\n");
131 return;
132 }
b90d7760
TI		 133 print_pcm_rates(buffer, pcm);
134 print_pcm_bits(buffer, pcm);
135 print_pcm_formats(buffer, stream);
1da177e4
LT		 136}
137
1da177e4
LT		 138static const char *get_jack_connection(u32 cfg)
139{
140 static char *names[16] = {
141 "Unknown", "1/8", "1/4", "ATAPI",
142 "RCA", "Optical","Digital", "Analog",
143 "DIN", "XLR", "RJ11", "Comb",
144 NULL, NULL, NULL, "Other"
145 };
146 cfg = (cfg & AC_DEFCFG_CONN_TYPE) >> AC_DEFCFG_CONN_TYPE_SHIFT;
147 if (names[cfg])
148 return names[cfg];
149 else
150 return "UNKNOWN";
151}
152
153static const char *get_jack_color(u32 cfg)
154{
155 static char *names[16] = {
156 "Unknown", "Black", "Grey", "Blue",
157 "Green", "Red", "Orange", "Yellow",
158 "Purple", "Pink", NULL, NULL,
159 NULL, NULL, "White", "Other",
160 };
161 cfg = (cfg & AC_DEFCFG_COLOR) >> AC_DEFCFG_COLOR_SHIFT;
162 if (names[cfg])
163 return names[cfg];
164 else
165 return "UNKNOWN";
166}
167
c8b6bf9b 168static void print_pin_caps(struct snd_info_buffer *buffer,
797760ab
AP		 169 struct hda_codec *codec, hda_nid_t nid,
170 int *supports_vref)
1da177e4 171{
b0c95f51 172 static char *jack_conns[4] = { "Jack", "N/A", "Fixed", "Both" };
e97a5167 173 unsigned int caps, val;
1da177e4
LT		 174
175 caps = snd_hda_param_read(codec, nid, AC_PAR_PIN_CAP);
0481f453 176 snd_iprintf(buffer, " Pincap 0x%08x:", caps);
1da177e4
LT		 177 if (caps & AC_PINCAP_IN)
178 snd_iprintf(buffer, " IN");
179 if (caps & AC_PINCAP_OUT)
180 snd_iprintf(buffer, " OUT");
181 if (caps & AC_PINCAP_HP_DRV)
182 snd_iprintf(buffer, " HP");
5885492a
TI		 183 if (caps & AC_PINCAP_EAPD)
184 snd_iprintf(buffer, " EAPD");
185 if (caps & AC_PINCAP_PRES_DETECT)
186 snd_iprintf(buffer, " Detect");
797760ab
AP		 187 if (caps & AC_PINCAP_BALANCE)
188 snd_iprintf(buffer, " Balanced");
c4920606
TI		 189 if (caps & AC_PINCAP_HDMI) {
190 /* Realtek uses this bit as a different meaning */
191 if ((codec->vendor_id >> 16) == 0x10ec)
192 snd_iprintf(buffer, " R/L");
193 else
194 snd_iprintf(buffer, " HDMI");
195 }
797760ab
AP		 196 if (caps & AC_PINCAP_TRIG_REQ)
197 snd_iprintf(buffer, " Trigger");
198 if (caps & AC_PINCAP_IMP_SENSE)
199 snd_iprintf(buffer, " ImpSense");
1da177e4 200 snd_iprintf(buffer, "\n");
797760ab
AP		 201 if (caps & AC_PINCAP_VREF) {
202 unsigned int vref =
203 (caps & AC_PINCAP_VREF) >> AC_PINCAP_VREF_SHIFT;
204 snd_iprintf(buffer, " Vref caps:");
205 if (vref & AC_PINCAP_VREF_HIZ)
206 snd_iprintf(buffer, " HIZ");
207 if (vref & AC_PINCAP_VREF_50)
208 snd_iprintf(buffer, " 50");
209 if (vref & AC_PINCAP_VREF_GRD)
210 snd_iprintf(buffer, " GRD");
211 if (vref & AC_PINCAP_VREF_80)
212 snd_iprintf(buffer, " 80");
213 if (vref & AC_PINCAP_VREF_100)
214 snd_iprintf(buffer, " 100");
215 snd_iprintf(buffer, "\n");
216 *supports_vref = 1;
217 } else
218 *supports_vref = 0;
219 if (caps & AC_PINCAP_EAPD) {
220 val = snd_hda_codec_read(codec, nid, 0,
221 AC_VERB_GET_EAPD_BTLENABLE, 0);
222 snd_iprintf(buffer, " EAPD 0x%x:", val);
223 if (val & AC_EAPDBTL_BALANCED)
224 snd_iprintf(buffer, " BALANCED");
225 if (val & AC_EAPDBTL_EAPD)
226 snd_iprintf(buffer, " EAPD");
227 if (val & AC_EAPDBTL_LR_SWAP)
228 snd_iprintf(buffer, " R/L");
229 snd_iprintf(buffer, "\n");
230 }
1da177e4 231 caps = snd_hda_codec_read(codec, nid, 0, AC_VERB_GET_CONFIG_DEFAULT, 0);
b0c95f51
TI		 232 snd_iprintf(buffer, " Pin Default 0x%08x: [%s] %s at %s %s\n", caps,
233 jack_conns[(caps & AC_DEFCFG_PORT_CONN) >> AC_DEFCFG_PORT_CONN_SHIFT],
50a9f790
MR		 234 snd_hda_get_jack_type(caps),
235 snd_hda_get_jack_connectivity(caps),
236 snd_hda_get_jack_location(caps));
1da177e4
LT		 237 snd_iprintf(buffer, " Conn = %s, Color = %s\n",
238 get_jack_connection(caps),
239 get_jack_color(caps));
797760ab
AP		 240 /* Default association and sequence values refer to default grouping
241 * of pin complexes and their sequence within the group. This is used
242 * for priority and resource allocation.
243 */
244 snd_iprintf(buffer, " DefAssociation = 0x%x, Sequence = 0x%x\n",
245 (caps & AC_DEFCFG_DEF_ASSOC) >> AC_DEFCFG_ASSOC_SHIFT,
246 caps & AC_DEFCFG_SEQUENCE);
247 if (((caps & AC_DEFCFG_MISC) >> AC_DEFCFG_MISC_SHIFT) &
248 AC_DEFCFG_MISC_NO_PRESENCE) {
249 /* Miscellaneous bit indicates external hardware does not
250 * support presence detection even if the pin complex
251 * indicates it is supported.
252 */
253 snd_iprintf(buffer, " Misc = NO_PRESENCE\n");
e97a5167 254 }
1da177e4
LT		 255}
256
797760ab
AP		 257static void print_pin_ctls(struct snd_info_buffer *buffer,
258 struct hda_codec *codec, hda_nid_t nid,
259 int supports_vref)
260{
261 unsigned int pinctls;
262
263 pinctls = snd_hda_codec_read(codec, nid, 0,
264 AC_VERB_GET_PIN_WIDGET_CONTROL, 0);
265 snd_iprintf(buffer, " Pin-ctls: 0x%02x:", pinctls);
266 if (pinctls & AC_PINCTL_IN_EN)
267 snd_iprintf(buffer, " IN");
268 if (pinctls & AC_PINCTL_OUT_EN)
269 snd_iprintf(buffer, " OUT");
270 if (pinctls & AC_PINCTL_HP_EN)
271 snd_iprintf(buffer, " HP");
272 if (supports_vref) {
273 int vref = pinctls & AC_PINCTL_VREFEN;
274 switch (vref) {
275 case AC_PINCTL_VREF_HIZ:
276 snd_iprintf(buffer, " VREF_HIZ");
277 break;
278 case AC_PINCTL_VREF_50:
279 snd_iprintf(buffer, " VREF_50");
280 break;
281 case AC_PINCTL_VREF_GRD:
282 snd_iprintf(buffer, " VREF_GRD");
283 break;
284 case AC_PINCTL_VREF_80:
285 snd_iprintf(buffer, " VREF_80");
286 break;
287 case AC_PINCTL_VREF_100:
288 snd_iprintf(buffer, " VREF_100");
289 break;
290 }
291 }
292 snd_iprintf(buffer, "\n");
293}
294
295static void print_vol_knob(struct snd_info_buffer *buffer,
296 struct hda_codec *codec, hda_nid_t nid)
297{
298 unsigned int cap = snd_hda_param_read(codec, nid,
299 AC_PAR_VOL_KNB_CAP);
300 snd_iprintf(buffer, " Volume-Knob: delta=%d, steps=%d, ",
301 (cap >> 7) & 1, cap & 0x7f);
302 cap = snd_hda_codec_read(codec, nid, 0,
303 AC_VERB_GET_VOLUME_KNOB_CONTROL, 0);
304 snd_iprintf(buffer, "direct=%d, val=%d\n",
305 (cap >> 7) & 1, cap & 0x7f);
306}
307
308static void print_audio_io(struct snd_info_buffer *buffer,
309 struct hda_codec *codec, hda_nid_t nid,
310 unsigned int wid_type)
311{
e3303235
JK		 312 int pcm, conv;
313 for (pcm = 0; pcm < codec->num_pcms; pcm++) {
314 int type;
315 struct hda_pcm *cpcm = &codec->pcm_info[pcm];
316 for (type = 0; type < 2; type++) {
317 if (cpcm->stream[type].nid != nid || cpcm->pcm == NULL)
318 continue;
f8b71635
TI		 319 snd_iprintf(buffer, " Device: name=\"%s\", "
320 "type=\"%s\", device=%i\n",
321 cpcm->name,
322 snd_hda_pcm_type_name[cpcm->pcm_type],
323 cpcm->pcm->device);
e3303235
JK		 324 }
325 }
326 conv = snd_hda_codec_read(codec, nid, 0, AC_VERB_GET_CONV, 0);
797760ab
AP		 327 snd_iprintf(buffer,
328 " Converter: stream=%d, channel=%d\n",
329 (conv & AC_CONV_STREAM) >> AC_CONV_STREAM_SHIFT,
330 conv & AC_CONV_CHANNEL);
331
332 if (wid_type == AC_WID_AUD_IN && (conv & AC_CONV_CHANNEL) == 0) {
333 int sdi = snd_hda_codec_read(codec, nid, 0,
334 AC_VERB_GET_SDI_SELECT, 0);
335 snd_iprintf(buffer, " SDI-Select: %d\n",
336 sdi & AC_SDI_SELECT);
337 }
338}
339
340static void print_digital_conv(struct snd_info_buffer *buffer,
341 struct hda_codec *codec, hda_nid_t nid)
342{
343 unsigned int digi1 = snd_hda_codec_read(codec, nid, 0,
344 AC_VERB_GET_DIGI_CONVERT_1, 0);
797760ab
AP		 345 snd_iprintf(buffer, " Digital:");
346 if (digi1 & AC_DIG1_ENABLE)
347 snd_iprintf(buffer, " Enabled");
348 if (digi1 & AC_DIG1_V)
349 snd_iprintf(buffer, " Validity");
350 if (digi1 & AC_DIG1_VCFG)
351 snd_iprintf(buffer, " ValidityCfg");
352 if (digi1 & AC_DIG1_EMPHASIS)
353 snd_iprintf(buffer, " Preemphasis");
354 if (digi1 & AC_DIG1_COPYRIGHT)
355 snd_iprintf(buffer, " Copyright");
356 if (digi1 & AC_DIG1_NONAUDIO)
357 snd_iprintf(buffer, " Non-Audio");
358 if (digi1 & AC_DIG1_PROFESSIONAL)
359 snd_iprintf(buffer, " Pro");
360 if (digi1 & AC_DIG1_LEVEL)
361 snd_iprintf(buffer, " GenLevel");
362 snd_iprintf(buffer, "\n");
a1855d80
TI		 363 snd_iprintf(buffer, " Digital category: 0x%x\n",
364 (digi1 >> 8) & AC_DIG2_CC);
797760ab
AP		 365}
366
367static const char *get_pwr_state(u32 state)
368{
369 static const char *buf[4] = {
370 "D0", "D1", "D2", "D3"
371 };
372 if (state < 4)
373 return buf[state];
374 return "UNKNOWN";
375}
376
377static void print_power_state(struct snd_info_buffer *buffer,
378 struct hda_codec *codec, hda_nid_t nid)
379{
380 int pwr = snd_hda_codec_read(codec, nid, 0,
381 AC_VERB_GET_POWER_STATE, 0);
382 snd_iprintf(buffer, " Power: setting=%s, actual=%s\n",
383 get_pwr_state(pwr & AC_PWRST_SETTING),
384 get_pwr_state((pwr & AC_PWRST_ACTUAL) >>
385 AC_PWRST_ACTUAL_SHIFT));
386}
387
388static void print_unsol_cap(struct snd_info_buffer *buffer,
389 struct hda_codec *codec, hda_nid_t nid)
390{
391 int unsol = snd_hda_codec_read(codec, nid, 0,
392 AC_VERB_GET_UNSOLICITED_RESPONSE, 0);
393 snd_iprintf(buffer,
394 " Unsolicited: tag=%02x, enabled=%d\n",
395 unsol & AC_UNSOL_TAG,
396 (unsol & AC_UNSOL_ENABLED) ? 1 : 0);
397}
398
399static void print_proc_caps(struct snd_info_buffer *buffer,
400 struct hda_codec *codec, hda_nid_t nid)
401{
402 unsigned int proc_caps = snd_hda_param_read(codec, nid,
403 AC_PAR_PROC_CAP);
404 snd_iprintf(buffer, " Processing caps: benign=%d, ncoeff=%d\n",
405 proc_caps & AC_PCAP_BENIGN,
406 (proc_caps & AC_PCAP_NUM_COEF) >> AC_PCAP_NUM_COEF_SHIFT);
407}
408
409static void print_conn_list(struct snd_info_buffer *buffer,
410 struct hda_codec *codec, hda_nid_t nid,
411 unsigned int wid_type, hda_nid_t *conn,
412 int conn_len)
413{
414 int c, curr = -1;
415
07a1e813
TI		 416 if (conn_len > 1 &&
417 wid_type != AC_WID_AUD_MIX &&
418 wid_type != AC_WID_VOL_KNB &&
419 wid_type != AC_WID_POWER)
797760ab
AP		 420 curr = snd_hda_codec_read(codec, nid, 0,
421 AC_VERB_GET_CONNECT_SEL, 0);
422 snd_iprintf(buffer, " Connection: %d\n", conn_len);
423 if (conn_len > 0) {
424 snd_iprintf(buffer, " ");
425 for (c = 0; c < conn_len; c++) {
426 snd_iprintf(buffer, " 0x%02x", conn[c]);
427 if (c == curr)
428 snd_iprintf(buffer, "*");
429 }
430 snd_iprintf(buffer, "\n");
431 }
432}
433
797760ab
AP		 434static void print_gpio(struct snd_info_buffer *buffer,
435 struct hda_codec *codec, hda_nid_t nid)
436{
437 unsigned int gpio =
438 snd_hda_param_read(codec, codec->afg, AC_PAR_GPIO_CAP);
439 unsigned int enable, direction, wake, unsol, sticky, data;
440 int i, max;
441 snd_iprintf(buffer, "GPIO: io=%d, o=%d, i=%d, "
442 "unsolicited=%d, wake=%d\n",
443 gpio & AC_GPIO_IO_COUNT,
444 (gpio & AC_GPIO_O_COUNT) >> AC_GPIO_O_COUNT_SHIFT,
445 (gpio & AC_GPIO_I_COUNT) >> AC_GPIO_I_COUNT_SHIFT,
446 (gpio & AC_GPIO_UNSOLICITED) ? 1 : 0,
447 (gpio & AC_GPIO_WAKE) ? 1 : 0);
448 max = gpio & AC_GPIO_IO_COUNT;
c4dc5071
TI		 449 if (!max || max > 8)
450 return;
797760ab
AP		 451 enable = snd_hda_codec_read(codec, nid, 0,
452 AC_VERB_GET_GPIO_MASK, 0);
453 direction = snd_hda_codec_read(codec, nid, 0,
454 AC_VERB_GET_GPIO_DIRECTION, 0);
455 wake = snd_hda_codec_read(codec, nid, 0,
456 AC_VERB_GET_GPIO_WAKE_MASK, 0);
457 unsol = snd_hda_codec_read(codec, nid, 0,
458 AC_VERB_GET_GPIO_UNSOLICITED_RSP_MASK, 0);
459 sticky = snd_hda_codec_read(codec, nid, 0,
460 AC_VERB_GET_GPIO_STICKY_MASK, 0);
461 data = snd_hda_codec_read(codec, nid, 0,
462 AC_VERB_GET_GPIO_DATA, 0);
463 for (i = 0; i < max; ++i)
464 snd_iprintf(buffer,
465 " IO[%d]: enable=%d, dir=%d, wake=%d, "
85639646 466 "sticky=%d, data=%d, unsol=%d\n", i,
797760ab
AP		 467 (enable & (1<<i)) ? 1 : 0,
468 (direction & (1<<i)) ? 1 : 0,
469 (wake & (1<<i)) ? 1 : 0,
470 (sticky & (1<<i)) ? 1 : 0,
85639646
TI		 471 (data & (1<<i)) ? 1 : 0,
472 (unsol & (1<<i)) ? 1 : 0);
797760ab
AP		 473 /* FIXME: add GPO and GPI pin information */
474}
1da177e4 475
d01ce99f
TI		 476static void print_codec_info(struct snd_info_entry *entry,
477 struct snd_info_buffer *buffer)
1da177e4
LT		 478{
479 struct hda_codec *codec = entry->private_data;
1da177e4
LT		 480 hda_nid_t nid;
481 int i, nodes;
482
812a2cca
TI		 483 snd_iprintf(buffer, "Codec: ");
484 if (codec->vendor_name && codec->chip_name)
485 snd_iprintf(buffer, "%s %s\n",
486 codec->vendor_name, codec->chip_name);
487 else
488 snd_iprintf(buffer, "Not Set\n");
1da177e4 489 snd_iprintf(buffer, "Address: %d\n", codec->addr);
234b4346
PB		 490 snd_iprintf(buffer, "Function Id: 0x%x\n", codec->function_id);
491 snd_iprintf(buffer, "Vendor Id: 0x%08x\n", codec->vendor_id);
492 snd_iprintf(buffer, "Subsystem Id: 0x%08x\n", codec->subsystem_id);
1da177e4 493 snd_iprintf(buffer, "Revision Id: 0x%x\n", codec->revision_id);
e25c05f1
JP		 494
495 if (codec->mfg)
496 snd_iprintf(buffer, "Modem Function Group: 0x%x\n", codec->mfg);
497 else
498 snd_iprintf(buffer, "No Modem Function Group found\n");
499
ec9e1c5c
TI		 500 if (! codec->afg)
501 return;
cb53c626 502 snd_hda_power_up(codec);
b90d7760 503 snd_iprintf(buffer, "Default PCM:\n");
1da177e4
LT		 504 print_pcm_caps(buffer, codec, codec->afg);
505 snd_iprintf(buffer, "Default Amp-In caps: ");
506 print_amp_caps(buffer, codec, codec->afg, HDA_INPUT);
507 snd_iprintf(buffer, "Default Amp-Out caps: ");
508 print_amp_caps(buffer, codec, codec->afg, HDA_OUTPUT);
509
510 nodes = snd_hda_get_sub_nodes(codec, codec->afg, &nid);
511 if (! nid || nodes < 0) {
512 snd_iprintf(buffer, "Invalid AFG subtree\n");
cb53c626 513 snd_hda_power_down(codec);
1da177e4
LT		 514 return;
515 }
797760ab
AP		 516
517 print_gpio(buffer, codec, codec->afg);
2d34e1b3
TI		 518 if (codec->proc_widget_hook)
519 codec->proc_widget_hook(buffer, codec, codec->afg);
797760ab 520
1da177e4 521 for (i = 0; i < nodes; i++, nid++) {
d01ce99f
TI		 522 unsigned int wid_caps =
523 snd_hda_param_read(codec, nid,
524 AC_PAR_AUDIO_WIDGET_CAP);
a22d543a 525 unsigned int wid_type = get_wcaps_type(wid_caps);
3e289f16 526 hda_nid_t conn[HDA_MAX_CONNECTIONS];
797760ab 527 int conn_len = 0;
3e289f16 528
1da177e4
LT		 529 snd_iprintf(buffer, "Node 0x%02x [%s] wcaps 0x%x:", nid,
530 get_wid_type_name(wid_type), wid_caps);
c4920606 531 if (wid_caps & AC_WCAP_STEREO) {
fd72d008 532 unsigned int chans = get_wcaps_channels(wid_caps);
c4920606
TI		 533 if (chans == 2)
534 snd_iprintf(buffer, " Stereo");
535 else
536 snd_iprintf(buffer, " %d-Channels", chans);
537 } else
1da177e4
LT		 538 snd_iprintf(buffer, " Mono");
539 if (wid_caps & AC_WCAP_DIGITAL)
540 snd_iprintf(buffer, " Digital");
541 if (wid_caps & AC_WCAP_IN_AMP)
542 snd_iprintf(buffer, " Amp-In");
543 if (wid_caps & AC_WCAP_OUT_AMP)
544 snd_iprintf(buffer, " Amp-Out");
797760ab
AP		 545 if (wid_caps & AC_WCAP_STRIPE)
546 snd_iprintf(buffer, " Stripe");
547 if (wid_caps & AC_WCAP_LR_SWAP)
548 snd_iprintf(buffer, " R/L");
c4920606
TI		 549 if (wid_caps & AC_WCAP_CP_CAPS)
550 snd_iprintf(buffer, " CP");
1da177e4
LT		 551 snd_iprintf(buffer, "\n");
552
e1716139
TI		 553 /* volume knob is a special widget that always have connection
554 * list
555 */
556 if (wid_type == AC_WID_VOL_KNB)
557 wid_caps |= AC_WCAP_CONN_LIST;
558
3e289f16
TI		 559 if (wid_caps & AC_WCAP_CONN_LIST)
560 conn_len = snd_hda_get_connections(codec, nid, conn,
561 HDA_MAX_CONNECTIONS);
562
1da177e4
LT		 563 if (wid_caps & AC_WCAP_IN_AMP) {
564 snd_iprintf(buffer, " Amp-In caps: ");
565 print_amp_caps(buffer, codec, nid, HDA_INPUT);
566 snd_iprintf(buffer, " Amp-In vals: ");
567 print_amp_vals(buffer, codec, nid, HDA_INPUT,
9e03ad79
TI		 568 wid_caps & AC_WCAP_STEREO,
569 wid_type == AC_WID_PIN ? 1 : conn_len);
1da177e4
LT		 570 }
571 if (wid_caps & AC_WCAP_OUT_AMP) {
572 snd_iprintf(buffer, " Amp-Out caps: ");
573 print_amp_caps(buffer, codec, nid, HDA_OUTPUT);
574 snd_iprintf(buffer, " Amp-Out vals: ");
9421f954
TI		 575 if (wid_type == AC_WID_PIN &&
576 codec->pin_amp_workaround)
577 print_amp_vals(buffer, codec, nid, HDA_OUTPUT,
578 wid_caps & AC_WCAP_STEREO,
579 conn_len);
580 else
581 print_amp_vals(buffer, codec, nid, HDA_OUTPUT,
582 wid_caps & AC_WCAP_STEREO, 1);
1da177e4
LT		 583 }
584
e97a5167 585 switch (wid_type) {
797760ab
AP		 586 case AC_WID_PIN: {
587 int supports_vref;
588 print_pin_caps(buffer, codec, nid, &supports_vref);
589 print_pin_ctls(buffer, codec, nid, supports_vref);
e97a5167 590 break;
797760ab 591 }
e97a5167 592 case AC_WID_VOL_KNB:
797760ab 593 print_vol_knob(buffer, codec, nid);
e97a5167
TI		 594 break;
595 case AC_WID_AUD_OUT:
596 case AC_WID_AUD_IN:
797760ab
AP		 597 print_audio_io(buffer, codec, nid, wid_type);
598 if (wid_caps & AC_WCAP_DIGITAL)
599 print_digital_conv(buffer, codec, nid);
e97a5167
TI		 600 if (wid_caps & AC_WCAP_FORMAT_OVRD) {
601 snd_iprintf(buffer, " PCM:\n");
602 print_pcm_caps(buffer, codec, nid);
603 }
604 break;
1da177e4
LT		 605 }
606
797760ab
AP		 607 if (wid_caps & AC_WCAP_UNSOL_CAP)
608 print_unsol_cap(buffer, codec, nid);
609
b7027cc2 610 if (wid_caps & AC_WCAP_POWER)
797760ab
AP		 611 print_power_state(buffer, codec, nid);
612
613 if (wid_caps & AC_WCAP_DELAY)
614 snd_iprintf(buffer, " Delay: %d samples\n",
615 (wid_caps & AC_WCAP_DELAY) >>
616 AC_WCAP_DELAY_SHIFT);
617
618 if (wid_caps & AC_WCAP_CONN_LIST)
619 print_conn_list(buffer, codec, nid, wid_type,
620 conn, conn_len);
621
622 if (wid_caps & AC_WCAP_PROC_WID)
623 print_proc_caps(buffer, codec, nid);
624
daead538
TI		 625 if (codec->proc_widget_hook)
626 codec->proc_widget_hook(buffer, codec, nid);
1da177e4 627 }
cb53c626 628 snd_hda_power_down(codec);
1da177e4
LT		 629}
630
631/*
632 * create a proc read
633 */
634int snd_hda_codec_proc_new(struct hda_codec *codec)
635{
636 char name[32];
c8b6bf9b 637 struct snd_info_entry *entry;
1da177e4
LT		 638 int err;
639
640 snprintf(name, sizeof(name), "codec#%d", codec->addr);
641 err = snd_card_proc_new(codec->bus->card, name, &entry);
642 if (err < 0)
643 return err;
644
bf850204 645 snd_info_set_text_ops(entry, codec, print_codec_info);
1da177e4
LT		 646 return 0;
647}
648
Linux kernel - Deliverables
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