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ALSA: hda - Fix regression for slave SPDIF setups
[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>
4eea3091 25#include <linux/slab.h>
1da177e4 26#include <sound/core.h>
cd262518 27#include <linux/module.h>
1da177e4 28#include "hda_codec.h"
18612048 29#include "hda_local.h"
1da177e4 30
cd262518
DH		 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
9ba17b4d
TI		 35/* always use noncached version */
36#define param_read(codec, nid, parm) \
37 snd_hdac_read_parm_uncached(&(codec)->core, nid, parm)
38
83d605fd
WF		 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
1da177e4
LT		 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 };
3a90274d
TI		 67 if (wid_value == -1)
68 return "UNKNOWN Widget";
1da177e4
LT		 69 wid_value &= 0xf;
70 if (names[wid_value])
71 return names[wid_value];
72 else
3bc89529 73 return "UNKNOWN Widget";
1da177e4
LT		 74}
75
5b0cb1d8
JK		 76static void print_nid_array(struct snd_info_buffer *buffer,
77 struct hda_codec *codec, hda_nid_t nid,
78 struct snd_array *array)
3911a4c1
JK		 79{
80 int i;
5b0cb1d8 81 struct hda_nid_item *items = array->list, *item;
3911a4c1 82 struct snd_kcontrol *kctl;
5b0cb1d8
JK		 83 for (i = 0; i < array->used; i++) {
84 item = &items[i];
85 if (item->nid == nid) {
86 kctl = item->kctl;
3911a4c1
JK		 87 snd_iprintf(buffer,
88 " Control: name=\"%s\", index=%i, device=%i\n",
5b0cb1d8
JK		 89 kctl->id.name, kctl->id.index + item->index,
90 kctl->id.device);
9e3fd871
JK		 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));
3911a4c1
JK		 99 }
100 }
101}
102
103static void print_nid_pcms(struct snd_info_buffer *buffer,
104 struct hda_codec *codec, hda_nid_t nid)
105{
bbbc7e85 106 int type;
3911a4c1 107 struct hda_pcm *cpcm;
bbbc7e85
TI		 108
109 list_for_each_entry(cpcm, &codec->pcm_list_head, list) {
3911a4c1
JK		 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
c8b6bf9b 122static void print_amp_caps(struct snd_info_buffer *buffer,
1da177e4
LT		 123 struct hda_codec *codec, hda_nid_t nid, int dir)
124{
125 unsigned int caps;
9ba17b4d
TI		 126 caps = param_read(codec, nid, dir == HDA_OUTPUT ?
127 AC_PAR_AMP_OUT_CAP : AC_PAR_AMP_IN_CAP);
1da177e4
LT		 128 if (caps == -1 || caps == 0) {
129 snd_iprintf(buffer, "N/A\n");
130 return;
131 }
d01ce99f
TI		 132 snd_iprintf(buffer, "ofs=0x%02x, nsteps=0x%02x, stepsize=0x%02x, "
133 "mute=%x\n",
1da177e4
LT		 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
cc261738
TI		 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
c8b6bf9b 162static void print_amp_vals(struct snd_info_buffer *buffer,
1da177e4 163 struct hda_codec *codec, hda_nid_t nid,
cc261738 164 int dir, unsigned int wcaps, int indices)
1da177e4
LT		 165{
166 unsigned int val;
cc261738 167 bool stereo;
3e289f16
TI		 168 int i;
169
cc261738
TI		 170 stereo = is_stereo_amps(codec, nid, dir, wcaps, indices);
171
7f0e2f8b 172 dir = dir == HDA_OUTPUT ? AC_AMP_GET_OUTPUT : AC_AMP_GET_INPUT;
3e289f16
TI		 173 for (i = 0; i < indices; i++) {
174 snd_iprintf(buffer, " [");
2f179721
TI		 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);
3e289f16 179 if (stereo) {
d01ce99f
TI		 180 val = snd_hda_codec_read(codec, nid, 0,
181 AC_VERB_GET_AMP_GAIN_MUTE,
2f179721
TI		 182 AC_AMP_GET_RIGHT | dir | i);
183 snd_iprintf(buffer, " 0x%02x", val);
3e289f16 184 }
2f179721 185 snd_iprintf(buffer, "]");
1da177e4 186 }
3e289f16 187 snd_iprintf(buffer, "\n");
1da177e4
LT		 188}
189
33deeca3
WF		 190static void print_pcm_rates(struct snd_info_buffer *buffer, unsigned int pcm)
191{
f71ff0d7
TI		 192 static unsigned int rates[] = {
193 8000, 11025, 16000, 22050, 32000, 44100, 48000, 88200,
194 96000, 176400, 192000, 384000
195 };
196 int i;
d39b4352 197
b90d7760
TI		 198 pcm &= AC_SUPPCM_RATES;
199 snd_iprintf(buffer, " rates [0x%x]:", pcm);
f71ff0d7
TI		 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");
b90d7760
TI		 204}
205
d39b4352
WF		 206static void print_pcm_bits(struct snd_info_buffer *buffer, unsigned int pcm)
207{
208 char buf[SND_PRINT_BITS_ADVISED_BUFSIZE];
b90d7760 209
b0e6481a 210 snd_iprintf(buffer, " bits [0x%x]:", (pcm >> 16) & 0xff);
d39b4352
WF		 211 snd_print_pcm_bits(pcm, buf, sizeof(buf));
212 snd_iprintf(buffer, "%s\n", buf);
b90d7760
TI		 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
c8b6bf9b 228static void print_pcm_caps(struct snd_info_buffer *buffer,
1da177e4
LT		 229 struct hda_codec *codec, hda_nid_t nid)
230{
9ba17b4d
TI		 231 unsigned int pcm = param_read(codec, nid, AC_PAR_PCM);
232 unsigned int stream = param_read(codec, nid, AC_PAR_STREAM);
1da177e4
LT		 233 if (pcm == -1 || stream == -1) {
234 snd_iprintf(buffer, "N/A\n");
235 return;
236 }
b90d7760
TI		 237 print_pcm_rates(buffer, pcm);
238 print_pcm_bits(buffer, pcm);
239 print_pcm_formats(buffer, stream);
1da177e4
LT		 240}
241
1da177e4
LT		 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
c8b6bf9b 272static void print_pin_caps(struct snd_info_buffer *buffer,
797760ab
AP		 273 struct hda_codec *codec, hda_nid_t nid,
274 int *supports_vref)
1da177e4 275{
b0c95f51 276 static char *jack_conns[4] = { "Jack", "N/A", "Fixed", "Both" };
e97a5167 277 unsigned int caps, val;
1da177e4 278
9ba17b4d 279 caps = param_read(codec, nid, AC_PAR_PIN_CAP);
0481f453 280 snd_iprintf(buffer, " Pincap 0x%08x:", caps);
1da177e4
LT		 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");
5885492a
TI		 287 if (caps & AC_PINCAP_EAPD)
288 snd_iprintf(buffer, " EAPD");
289 if (caps & AC_PINCAP_PRES_DETECT)
290 snd_iprintf(buffer, " Detect");
797760ab
AP		 291 if (caps & AC_PINCAP_BALANCE)
292 snd_iprintf(buffer, " Balanced");
c4920606
TI		 293 if (caps & AC_PINCAP_HDMI) {
294 /* Realtek uses this bit as a different meaning */
7639a06c 295 if ((codec->core.vendor_id >> 16) == 0x10ec)
c4920606 296 snd_iprintf(buffer, " R/L");
b923528e
WF		 297 else {
298 if (caps & AC_PINCAP_HBR)
299 snd_iprintf(buffer, " HBR");
c4920606 300 snd_iprintf(buffer, " HDMI");
b923528e 301 }
c4920606 302 }
728765b3
WF		 303 if (caps & AC_PINCAP_DP)
304 snd_iprintf(buffer, " DP");
797760ab
AP		 305 if (caps & AC_PINCAP_TRIG_REQ)
306 snd_iprintf(buffer, " Trigger");
307 if (caps & AC_PINCAP_IMP_SENSE)
308 snd_iprintf(buffer, " ImpSense");
1da177e4 309 snd_iprintf(buffer, "\n");
797760ab
AP		 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 }
1da177e4 340 caps = snd_hda_codec_read(codec, nid, 0, AC_VERB_GET_CONFIG_DEFAULT, 0);
b0c95f51
TI		 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],
50a9f790
MR		 343 snd_hda_get_jack_type(caps),
344 snd_hda_get_jack_connectivity(caps),
345 snd_hda_get_jack_location(caps));
1da177e4
LT		 346 snd_iprintf(buffer, " Conn = %s, Color = %s\n",
347 get_jack_connection(caps),
348 get_jack_color(caps));
797760ab
AP		 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");
e97a5167 363 }
1da177e4
LT		 364}
365
797760ab
AP		 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{
9ba17b4d 407 unsigned int cap = param_read(codec, nid, AC_PAR_VOL_KNB_CAP);
797760ab
AP		 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{
3911a4c1 420 int conv = snd_hda_codec_read(codec, nid, 0, AC_VERB_GET_CONV, 0);
797760ab
AP		 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);
61525979
WX		 439 unsigned char digi2 = digi1 >> 8;
440 unsigned char digi3 = digi1 >> 16;
441
797760ab
AP		 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)
088c820b 452 snd_iprintf(buffer, " Non-Copyright");
797760ab
AP		 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");
61525979
WX		 459 if (digi3 & AC_DIG3_KAE)
460 snd_iprintf(buffer, " KAE");
797760ab 461 snd_iprintf(buffer, "\n");
a1855d80 462 snd_iprintf(buffer, " Digital category: 0x%x\n",
61525979
WX		 463 digi2 & AC_DIG2_CC);
464 snd_iprintf(buffer, " IEC Coding Type: 0x%x\n",
465 digi3 & AC_DIG3_ICT);
797760ab
AP		 466}
467
468static const char *get_pwr_state(u32 state)
469{
167d2d55
TI		 470 static const char * const buf[] = {
471 "D0", "D1", "D2", "D3", "D3cold"
797760ab 472 };
167d2d55 473 if (state < ARRAY_SIZE(buf))
797760ab
AP		 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{
83d605fd
WF		 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
9ba17b4d 492 int sup = param_read(codec, nid, AC_PAR_POWER_STATE);
797760ab
AP		 493 int pwr = snd_hda_codec_read(codec, nid, 0,
494 AC_VERB_GET_POWER_STATE, 0);
e076eb5c 495 if (sup != -1)
83d605fd
WF		 496 snd_iprintf(buffer, " Power states: %s\n",
497 bits_names(sup, names, ARRAY_SIZE(names)));
498
ce63f3ba 499 snd_iprintf(buffer, " Power: setting=%s, actual=%s",
797760ab
AP		 500 get_pwr_state(pwr & AC_PWRST_SETTING),
501 get_pwr_state((pwr & AC_PWRST_ACTUAL) >>
502 AC_PWRST_ACTUAL_SHIFT));
ce63f3ba
WX		 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");
797760ab
AP		 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
cd262518
DH		 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
797760ab
AP		 532static void print_proc_caps(struct snd_info_buffer *buffer,
533 struct hda_codec *codec, hda_nid_t nid)
534{
cd262518 535 unsigned int i, ncoeff, oldindex;
9ba17b4d 536 unsigned int proc_caps = param_read(codec, nid, AC_PAR_PROC_CAP);
cd262518 537 ncoeff = (proc_caps & AC_PCAP_NUM_COEF) >> AC_PCAP_NUM_COEF_SHIFT;
797760ab 538 snd_iprintf(buffer, " Processing caps: benign=%d, ncoeff=%d\n",
cd262518
DH		 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);
797760ab
AP		 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;
8b2c7a5c
WX		 563 const hda_nid_t *list;
564 int cache_len;
797760ab 565
07a1e813
TI		 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)
797760ab
AP		 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 }
8b2c7a5c
WX		 582
583 /* Get Cache connections info */
584 cache_len = snd_hda_get_conn_list(codec, nid, &list);
585 if (cache_len != conn_len
586 || memcmp(list, conn, conn_len)) {
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 }
797760ab
AP		 595}
596
797760ab
AP		 597static void print_gpio(struct snd_info_buffer *buffer,
598 struct hda_codec *codec, hda_nid_t nid)
599{
600 unsigned int gpio =
9ba17b4d 601 param_read(codec, codec->core.afg, AC_PAR_GPIO_CAP);
797760ab
AP		 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;
c4dc5071
TI		 612 if (!max || max > 8)
613 return;
797760ab
AP		 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, "
85639646 629 "sticky=%d, data=%d, unsol=%d\n", i,
797760ab
AP		 630 (enable & (1<<i)) ? 1 : 0,
631 (direction & (1<<i)) ? 1 : 0,
632 (wake & (1<<i)) ? 1 : 0,
633 (sticky & (1<<i)) ? 1 : 0,
85639646
TI		 634 (data & (1<<i)) ? 1 : 0,
635 (unsol & (1<<i)) ? 1 : 0);
797760ab 636 /* FIXME: add GPO and GPI pin information */
5b0cb1d8
JK		 637 print_nid_array(buffer, codec, nid, &codec->mixers);
638 print_nid_array(buffer, codec, nid, &codec->nids);
797760ab 639}
1da177e4 640
7a624ea5
ML		 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
7639a06c
TI		 671static void print_codec_core_info(struct hdac_device *codec,
672 struct snd_info_buffer *buffer)
1da177e4 673{
812a2cca
TI		 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");
1da177e4 680 snd_iprintf(buffer, "Address: %d\n", codec->addr);
79c944ad
JK		 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);
234b4346
PB		 687 snd_iprintf(buffer, "Vendor Id: 0x%08x\n", codec->vendor_id);
688 snd_iprintf(buffer, "Subsystem Id: 0x%08x\n", codec->subsystem_id);
1da177e4 689 snd_iprintf(buffer, "Revision Id: 0x%x\n", codec->revision_id);
e25c05f1
JP		 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");
7639a06c
TI		 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;
e25c05f1 703
7639a06c
TI		 704 print_codec_core_info(&codec->core, buffer);
705 fg = codec->core.afg;
706 if (!fg)
ec9e1c5c 707 return;
cb53c626 708 snd_hda_power_up(codec);
b90d7760 709 snd_iprintf(buffer, "Default PCM:\n");
7639a06c 710 print_pcm_caps(buffer, codec, fg);
1da177e4 711 snd_iprintf(buffer, "Default Amp-In caps: ");
7639a06c 712 print_amp_caps(buffer, codec, fg, HDA_INPUT);
1da177e4 713 snd_iprintf(buffer, "Default Amp-Out caps: ");
7639a06c
TI		 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);
1da177e4 717
7639a06c 718 nodes = snd_hda_get_sub_nodes(codec, fg, &nid);
1da177e4
LT		 719 if (! nid || nodes < 0) {
720 snd_iprintf(buffer, "Invalid AFG subtree\n");
cb53c626 721 snd_hda_power_down(codec);
1da177e4
LT		 722 return;
723 }
797760ab 724
7639a06c 725 print_gpio(buffer, codec, fg);
2d34e1b3 726 if (codec->proc_widget_hook)
7639a06c 727 codec->proc_widget_hook(buffer, codec, fg);
797760ab 728
1da177e4 729 for (i = 0; i < nodes; i++, nid++) {
d01ce99f 730 unsigned int wid_caps =
9ba17b4d 731 param_read(codec, nid, AC_PAR_AUDIO_WIDGET_CAP);
a22d543a 732 unsigned int wid_type = get_wcaps_type(wid_caps);
4eea3091 733 hda_nid_t *conn = NULL;
797760ab 734 int conn_len = 0;
3e289f16 735
1da177e4
LT		 736 snd_iprintf(buffer, "Node 0x%02x [%s] wcaps 0x%x:", nid,
737 get_wid_type_name(wid_type), wid_caps);
c4920606 738 if (wid_caps & AC_WCAP_STEREO) {
fd72d008 739 unsigned int chans = get_wcaps_channels(wid_caps);
c4920606
TI		 740 if (chans == 2)
741 snd_iprintf(buffer, " Stereo");
742 else
743 snd_iprintf(buffer, " %d-Channels", chans);
744 } else
1da177e4
LT		 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");
797760ab
AP		 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");
c4920606
TI		 756 if (wid_caps & AC_WCAP_CP_CAPS)
757 snd_iprintf(buffer, " CP");
1da177e4
LT		 758 snd_iprintf(buffer, "\n");
759
5b0cb1d8
JK		 760 print_nid_array(buffer, codec, nid, &codec->mixers);
761 print_nid_array(buffer, codec, nid, &codec->nids);
3911a4c1
JK		 762 print_nid_pcms(buffer, codec, nid);
763
e1716139
TI		 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
4eea3091
TI		 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 }
3e289f16 782
1da177e4
LT		 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: ");
4f32456e
MK		 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,
cc261738 791 wid_caps, 1);
4f32456e
MK		 792 else
793 print_amp_vals(buffer, codec, nid, HDA_INPUT,
cc261738 794 wid_caps, conn_len);
1da177e4
LT		 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: ");
9421f954
TI		 800 if (wid_type == AC_WID_PIN &&
801 codec->pin_amp_workaround)
802 print_amp_vals(buffer, codec, nid, HDA_OUTPUT,
cc261738 803 wid_caps, conn_len);
9421f954
TI		 804 else
805 print_amp_vals(buffer, codec, nid, HDA_OUTPUT,
cc261738 806 wid_caps, 1);
1da177e4
LT		 807 }
808
e97a5167 809 switch (wid_type) {
797760ab
AP		 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);
e97a5167 814 break;
797760ab 815 }
e97a5167 816 case AC_WID_VOL_KNB:
797760ab 817 print_vol_knob(buffer, codec, nid);
e97a5167
TI		 818 break;
819 case AC_WID_AUD_OUT:
820 case AC_WID_AUD_IN:
797760ab
AP		 821 print_audio_io(buffer, codec, nid, wid_type);
822 if (wid_caps & AC_WCAP_DIGITAL)
823 print_digital_conv(buffer, codec, nid);
e97a5167
TI		 824 if (wid_caps & AC_WCAP_FORMAT_OVRD) {
825 snd_iprintf(buffer, " PCM:\n");
826 print_pcm_caps(buffer, codec, nid);
827 }
828 break;
1da177e4
LT		 829 }
830
797760ab
AP		 831 if (wid_caps & AC_WCAP_UNSOL_CAP)
832 print_unsol_cap(buffer, codec, nid);
833
b7027cc2 834 if (wid_caps & AC_WCAP_POWER)
797760ab
AP		 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
7a624ea5
ML		 842 if (wid_type == AC_WID_PIN && codec->dp_mst)
843 print_device_list(buffer, codec, nid);
844
797760ab
AP		 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
daead538
TI		 852 if (codec->proc_widget_hook)
853 codec->proc_widget_hook(buffer, codec, nid);
4eea3091
TI		 854
855 kfree(conn);
1da177e4 856 }
cb53c626 857 snd_hda_power_down(codec);
1da177e4
LT		 858}
859
860/*
861 * create a proc read
862 */
863int snd_hda_codec_proc_new(struct hda_codec *codec)
864{
865 char name[32];
c8b6bf9b 866 struct snd_info_entry *entry;
1da177e4
LT		 867 int err;
868
7639a06c 869 snprintf(name, sizeof(name), "codec#%d", codec->core.addr);
6efdd851 870 err = snd_card_proc_new(codec->card, name, &entry);
1da177e4
LT		 871 if (err < 0)
872 return err;
873
bf850204 874 snd_info_set_text_ops(entry, codec, print_codec_info);
1da177e4
LT		 875 return 0;
876}
877
Linux kernel - Deliverables
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