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drm/i915: make hw page ioremap use ioremap_wc
[linux-2.6-block.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{
312 int conv = snd_hda_codec_read(codec, nid, 0, AC_VERB_GET_CONV, 0);
313 snd_iprintf(buffer,
314 " Converter: stream=%d, channel=%d\n",
315 (conv & AC_CONV_STREAM) >> AC_CONV_STREAM_SHIFT,
316 conv & AC_CONV_CHANNEL);
317
318 if (wid_type == AC_WID_AUD_IN && (conv & AC_CONV_CHANNEL) == 0) {
319 int sdi = snd_hda_codec_read(codec, nid, 0,
320 AC_VERB_GET_SDI_SELECT, 0);
321 snd_iprintf(buffer, " SDI-Select: %d\n",
322 sdi & AC_SDI_SELECT);
323 }
324}
325
326static void print_digital_conv(struct snd_info_buffer *buffer,
327 struct hda_codec *codec, hda_nid_t nid)
328{
329 unsigned int digi1 = snd_hda_codec_read(codec, nid, 0,
330 AC_VERB_GET_DIGI_CONVERT_1, 0);
797760ab
AP		 331 snd_iprintf(buffer, " Digital:");
332 if (digi1 & AC_DIG1_ENABLE)
333 snd_iprintf(buffer, " Enabled");
334 if (digi1 & AC_DIG1_V)
335 snd_iprintf(buffer, " Validity");
336 if (digi1 & AC_DIG1_VCFG)
337 snd_iprintf(buffer, " ValidityCfg");
338 if (digi1 & AC_DIG1_EMPHASIS)
339 snd_iprintf(buffer, " Preemphasis");
340 if (digi1 & AC_DIG1_COPYRIGHT)
341 snd_iprintf(buffer, " Copyright");
342 if (digi1 & AC_DIG1_NONAUDIO)
343 snd_iprintf(buffer, " Non-Audio");
344 if (digi1 & AC_DIG1_PROFESSIONAL)
345 snd_iprintf(buffer, " Pro");
346 if (digi1 & AC_DIG1_LEVEL)
347 snd_iprintf(buffer, " GenLevel");
348 snd_iprintf(buffer, "\n");
a1855d80
TI		 349 snd_iprintf(buffer, " Digital category: 0x%x\n",
350 (digi1 >> 8) & AC_DIG2_CC);
797760ab
AP		 351}
352
353static const char *get_pwr_state(u32 state)
354{
355 static const char *buf[4] = {
356 "D0", "D1", "D2", "D3"
357 };
358 if (state < 4)
359 return buf[state];
360 return "UNKNOWN";
361}
362
363static void print_power_state(struct snd_info_buffer *buffer,
364 struct hda_codec *codec, hda_nid_t nid)
365{
366 int pwr = snd_hda_codec_read(codec, nid, 0,
367 AC_VERB_GET_POWER_STATE, 0);
368 snd_iprintf(buffer, " Power: setting=%s, actual=%s\n",
369 get_pwr_state(pwr & AC_PWRST_SETTING),
370 get_pwr_state((pwr & AC_PWRST_ACTUAL) >>
371 AC_PWRST_ACTUAL_SHIFT));
372}
373
374static void print_unsol_cap(struct snd_info_buffer *buffer,
375 struct hda_codec *codec, hda_nid_t nid)
376{
377 int unsol = snd_hda_codec_read(codec, nid, 0,
378 AC_VERB_GET_UNSOLICITED_RESPONSE, 0);
379 snd_iprintf(buffer,
380 " Unsolicited: tag=%02x, enabled=%d\n",
381 unsol & AC_UNSOL_TAG,
382 (unsol & AC_UNSOL_ENABLED) ? 1 : 0);
383}
384
385static void print_proc_caps(struct snd_info_buffer *buffer,
386 struct hda_codec *codec, hda_nid_t nid)
387{
388 unsigned int proc_caps = snd_hda_param_read(codec, nid,
389 AC_PAR_PROC_CAP);
390 snd_iprintf(buffer, " Processing caps: benign=%d, ncoeff=%d\n",
391 proc_caps & AC_PCAP_BENIGN,
392 (proc_caps & AC_PCAP_NUM_COEF) >> AC_PCAP_NUM_COEF_SHIFT);
393}
394
395static void print_conn_list(struct snd_info_buffer *buffer,
396 struct hda_codec *codec, hda_nid_t nid,
397 unsigned int wid_type, hda_nid_t *conn,
398 int conn_len)
399{
400 int c, curr = -1;
401
516a1ced
TI		 402 if (conn_len > 1 && wid_type != AC_WID_AUD_MIX &&
403 wid_type != AC_WID_VOL_KNB)
797760ab
AP		 404 curr = snd_hda_codec_read(codec, nid, 0,
405 AC_VERB_GET_CONNECT_SEL, 0);
406 snd_iprintf(buffer, " Connection: %d\n", conn_len);
407 if (conn_len > 0) {
408 snd_iprintf(buffer, " ");
409 for (c = 0; c < conn_len; c++) {
410 snd_iprintf(buffer, " 0x%02x", conn[c]);
411 if (c == curr)
412 snd_iprintf(buffer, "*");
413 }
414 snd_iprintf(buffer, "\n");
415 }
416}
417
797760ab
AP		 418static void print_gpio(struct snd_info_buffer *buffer,
419 struct hda_codec *codec, hda_nid_t nid)
420{
421 unsigned int gpio =
422 snd_hda_param_read(codec, codec->afg, AC_PAR_GPIO_CAP);
423 unsigned int enable, direction, wake, unsol, sticky, data;
424 int i, max;
425 snd_iprintf(buffer, "GPIO: io=%d, o=%d, i=%d, "
426 "unsolicited=%d, wake=%d\n",
427 gpio & AC_GPIO_IO_COUNT,
428 (gpio & AC_GPIO_O_COUNT) >> AC_GPIO_O_COUNT_SHIFT,
429 (gpio & AC_GPIO_I_COUNT) >> AC_GPIO_I_COUNT_SHIFT,
430 (gpio & AC_GPIO_UNSOLICITED) ? 1 : 0,
431 (gpio & AC_GPIO_WAKE) ? 1 : 0);
432 max = gpio & AC_GPIO_IO_COUNT;
c4dc5071
TI		 433 if (!max || max > 8)
434 return;
797760ab
AP		 435 enable = snd_hda_codec_read(codec, nid, 0,
436 AC_VERB_GET_GPIO_MASK, 0);
437 direction = snd_hda_codec_read(codec, nid, 0,
438 AC_VERB_GET_GPIO_DIRECTION, 0);
439 wake = snd_hda_codec_read(codec, nid, 0,
440 AC_VERB_GET_GPIO_WAKE_MASK, 0);
441 unsol = snd_hda_codec_read(codec, nid, 0,
442 AC_VERB_GET_GPIO_UNSOLICITED_RSP_MASK, 0);
443 sticky = snd_hda_codec_read(codec, nid, 0,
444 AC_VERB_GET_GPIO_STICKY_MASK, 0);
445 data = snd_hda_codec_read(codec, nid, 0,
446 AC_VERB_GET_GPIO_DATA, 0);
447 for (i = 0; i < max; ++i)
448 snd_iprintf(buffer,
449 " IO[%d]: enable=%d, dir=%d, wake=%d, "
85639646 450 "sticky=%d, data=%d, unsol=%d\n", i,
797760ab
AP		 451 (enable & (1<<i)) ? 1 : 0,
452 (direction & (1<<i)) ? 1 : 0,
453 (wake & (1<<i)) ? 1 : 0,
454 (sticky & (1<<i)) ? 1 : 0,
85639646
TI		 455 (data & (1<<i)) ? 1 : 0,
456 (unsol & (1<<i)) ? 1 : 0);
797760ab
AP		 457 /* FIXME: add GPO and GPI pin information */
458}
1da177e4 459
d01ce99f
TI		 460static void print_codec_info(struct snd_info_entry *entry,
461 struct snd_info_buffer *buffer)
1da177e4
LT		 462{
463 struct hda_codec *codec = entry->private_data;
1da177e4
LT		 464 hda_nid_t nid;
465 int i, nodes;
466
f44ac837
TI		 467 snd_iprintf(buffer, "Codec: %s\n",
468 codec->name ? codec->name : "Not Set");
1da177e4
LT		 469 snd_iprintf(buffer, "Address: %d\n", codec->addr);
470 snd_iprintf(buffer, "Vendor Id: 0x%x\n", codec->vendor_id);
471 snd_iprintf(buffer, "Subsystem Id: 0x%x\n", codec->subsystem_id);
472 snd_iprintf(buffer, "Revision Id: 0x%x\n", codec->revision_id);
e25c05f1
JP		 473
474 if (codec->mfg)
475 snd_iprintf(buffer, "Modem Function Group: 0x%x\n", codec->mfg);
476 else
477 snd_iprintf(buffer, "No Modem Function Group found\n");
478
ec9e1c5c
TI		 479 if (! codec->afg)
480 return;
cb53c626 481 snd_hda_power_up(codec);
b90d7760 482 snd_iprintf(buffer, "Default PCM:\n");
1da177e4
LT		 483 print_pcm_caps(buffer, codec, codec->afg);
484 snd_iprintf(buffer, "Default Amp-In caps: ");
485 print_amp_caps(buffer, codec, codec->afg, HDA_INPUT);
486 snd_iprintf(buffer, "Default Amp-Out caps: ");
487 print_amp_caps(buffer, codec, codec->afg, HDA_OUTPUT);
488
489 nodes = snd_hda_get_sub_nodes(codec, codec->afg, &nid);
490 if (! nid || nodes < 0) {
491 snd_iprintf(buffer, "Invalid AFG subtree\n");
cb53c626 492 snd_hda_power_down(codec);
1da177e4
LT		 493 return;
494 }
797760ab
AP		 495
496 print_gpio(buffer, codec, codec->afg);
2d34e1b3
TI		 497 if (codec->proc_widget_hook)
498 codec->proc_widget_hook(buffer, codec, codec->afg);
797760ab 499
1da177e4 500 for (i = 0; i < nodes; i++, nid++) {
d01ce99f
TI		 501 unsigned int wid_caps =
502 snd_hda_param_read(codec, nid,
503 AC_PAR_AUDIO_WIDGET_CAP);
504 unsigned int wid_type =
505 (wid_caps & AC_WCAP_TYPE) >> AC_WCAP_TYPE_SHIFT;
3e289f16 506 hda_nid_t conn[HDA_MAX_CONNECTIONS];
797760ab 507 int conn_len = 0;
3e289f16 508
1da177e4
LT		 509 snd_iprintf(buffer, "Node 0x%02x [%s] wcaps 0x%x:", nid,
510 get_wid_type_name(wid_type), wid_caps);
c4920606
TI		 511 if (wid_caps & AC_WCAP_STEREO) {
512 unsigned int chans;
513 chans = (wid_caps & AC_WCAP_CHAN_CNT_EXT) >> 13;
514 chans = ((chans << 1) | 1) + 1;
515 if (chans == 2)
516 snd_iprintf(buffer, " Stereo");
517 else
518 snd_iprintf(buffer, " %d-Channels", chans);
519 } else
1da177e4
LT		 520 snd_iprintf(buffer, " Mono");
521 if (wid_caps & AC_WCAP_DIGITAL)
522 snd_iprintf(buffer, " Digital");
523 if (wid_caps & AC_WCAP_IN_AMP)
524 snd_iprintf(buffer, " Amp-In");
525 if (wid_caps & AC_WCAP_OUT_AMP)
526 snd_iprintf(buffer, " Amp-Out");
797760ab
AP		 527 if (wid_caps & AC_WCAP_STRIPE)
528 snd_iprintf(buffer, " Stripe");
529 if (wid_caps & AC_WCAP_LR_SWAP)
530 snd_iprintf(buffer, " R/L");
c4920606
TI		 531 if (wid_caps & AC_WCAP_CP_CAPS)
532 snd_iprintf(buffer, " CP");
1da177e4
LT		 533 snd_iprintf(buffer, "\n");
534
e1716139
TI		 535 /* volume knob is a special widget that always have connection
536 * list
537 */
538 if (wid_type == AC_WID_VOL_KNB)
539 wid_caps |= AC_WCAP_CONN_LIST;
540
3e289f16
TI		 541 if (wid_caps & AC_WCAP_CONN_LIST)
542 conn_len = snd_hda_get_connections(codec, nid, conn,
543 HDA_MAX_CONNECTIONS);
544
1da177e4
LT		 545 if (wid_caps & AC_WCAP_IN_AMP) {
546 snd_iprintf(buffer, " Amp-In caps: ");
547 print_amp_caps(buffer, codec, nid, HDA_INPUT);
548 snd_iprintf(buffer, " Amp-In vals: ");
549 print_amp_vals(buffer, codec, nid, HDA_INPUT,
9e03ad79
TI		 550 wid_caps & AC_WCAP_STEREO,
551 wid_type == AC_WID_PIN ? 1 : conn_len);
1da177e4
LT		 552 }
553 if (wid_caps & AC_WCAP_OUT_AMP) {
554 snd_iprintf(buffer, " Amp-Out caps: ");
555 print_amp_caps(buffer, codec, nid, HDA_OUTPUT);
556 snd_iprintf(buffer, " Amp-Out vals: ");
557 print_amp_vals(buffer, codec, nid, HDA_OUTPUT,
3e289f16 558 wid_caps & AC_WCAP_STEREO, 1);
1da177e4
LT		 559 }
560
e97a5167 561 switch (wid_type) {
797760ab
AP		 562 case AC_WID_PIN: {
563 int supports_vref;
564 print_pin_caps(buffer, codec, nid, &supports_vref);
565 print_pin_ctls(buffer, codec, nid, supports_vref);
e97a5167 566 break;
797760ab 567 }
e97a5167 568 case AC_WID_VOL_KNB:
797760ab 569 print_vol_knob(buffer, codec, nid);
e97a5167
TI		 570 break;
571 case AC_WID_AUD_OUT:
572 case AC_WID_AUD_IN:
797760ab
AP		 573 print_audio_io(buffer, codec, nid, wid_type);
574 if (wid_caps & AC_WCAP_DIGITAL)
575 print_digital_conv(buffer, codec, nid);
e97a5167
TI		 576 if (wid_caps & AC_WCAP_FORMAT_OVRD) {
577 snd_iprintf(buffer, " PCM:\n");
578 print_pcm_caps(buffer, codec, nid);
579 }
580 break;
1da177e4
LT		 581 }
582
797760ab
AP		 583 if (wid_caps & AC_WCAP_UNSOL_CAP)
584 print_unsol_cap(buffer, codec, nid);
585
b7027cc2 586 if (wid_caps & AC_WCAP_POWER)
797760ab
AP		 587 print_power_state(buffer, codec, nid);
588
589 if (wid_caps & AC_WCAP_DELAY)
590 snd_iprintf(buffer, " Delay: %d samples\n",
591 (wid_caps & AC_WCAP_DELAY) >>
592 AC_WCAP_DELAY_SHIFT);
593
594 if (wid_caps & AC_WCAP_CONN_LIST)
595 print_conn_list(buffer, codec, nid, wid_type,
596 conn, conn_len);
597
598 if (wid_caps & AC_WCAP_PROC_WID)
599 print_proc_caps(buffer, codec, nid);
600
daead538
TI		 601 if (codec->proc_widget_hook)
602 codec->proc_widget_hook(buffer, codec, nid);
1da177e4 603 }
cb53c626 604 snd_hda_power_down(codec);
1da177e4
LT		 605}
606
607/*
608 * create a proc read
609 */
610int snd_hda_codec_proc_new(struct hda_codec *codec)
611{
612 char name[32];
c8b6bf9b 613 struct snd_info_entry *entry;
1da177e4
LT		 614 int err;
615
616 snprintf(name, sizeof(name), "codec#%d", codec->addr);
617 err = snd_card_proc_new(codec->bus->card, name, &entry);
618 if (err < 0)
619 return err;
620
bf850204 621 snd_info_set_text_ops(entry, codec, print_codec_info);
1da177e4
LT		 622 return 0;
623}
624
Linux 6.x block layer and io_uring tree(s)