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1da177e4 LT |
1 | /* |
2 | * Universal Interface for Intel High Definition Audio Codec | |
3 | * | |
4 | * Copyright (c) 2004 Takashi Iwai <tiwai@suse.de> | |
5 | * | |
6 | * | |
7 | * This driver is free software; you can redistribute it and/or modify | |
8 | * it under the terms of the GNU General Public License as published by | |
9 | * the Free Software Foundation; either version 2 of the License, or | |
10 | * (at your option) any later version. | |
11 | * | |
12 | * This driver is distributed in the hope that it will be useful, | |
13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
15 | * GNU General Public License for more details. | |
16 | * | |
17 | * You should have received a copy of the GNU General Public License | |
18 | * along with this program; if not, write to the Free Software | |
19 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | |
20 | */ | |
21 | ||
22 | #include <sound/driver.h> | |
23 | #include <linux/init.h> | |
24 | #include <linux/delay.h> | |
25 | #include <linux/slab.h> | |
26 | #include <linux/pci.h> | |
27 | #include <linux/moduleparam.h> | |
28 | #include <sound/core.h> | |
29 | #include "hda_codec.h" | |
30 | #include <sound/asoundef.h> | |
31 | #include <sound/initval.h> | |
32 | #include "hda_local.h" | |
33 | ||
34 | ||
35 | MODULE_AUTHOR("Takashi Iwai <tiwai@suse.de>"); | |
36 | MODULE_DESCRIPTION("Universal interface for High Definition Audio Codec"); | |
37 | MODULE_LICENSE("GPL"); | |
38 | ||
39 | ||
40 | /* | |
41 | * vendor / preset table | |
42 | */ | |
43 | ||
44 | struct hda_vendor_id { | |
45 | unsigned int id; | |
46 | const char *name; | |
47 | }; | |
48 | ||
49 | /* codec vendor labels */ | |
50 | static struct hda_vendor_id hda_vendor_ids[] = { | |
51 | { 0x10ec, "Realtek" }, | |
54b903ec | 52 | { 0x11d4, "Analog Devices" }, |
1da177e4 LT |
53 | { 0x13f6, "C-Media" }, |
54 | { 0x434d, "C-Media" }, | |
2f2f4251 | 55 | { 0x8384, "SigmaTel" }, |
1da177e4 LT |
56 | {} /* terminator */ |
57 | }; | |
58 | ||
59 | /* codec presets */ | |
60 | #include "hda_patch.h" | |
61 | ||
62 | ||
63 | /** | |
64 | * snd_hda_codec_read - send a command and get the response | |
65 | * @codec: the HDA codec | |
66 | * @nid: NID to send the command | |
67 | * @direct: direct flag | |
68 | * @verb: the verb to send | |
69 | * @parm: the parameter for the verb | |
70 | * | |
71 | * Send a single command and read the corresponding response. | |
72 | * | |
73 | * Returns the obtained response value, or -1 for an error. | |
74 | */ | |
75 | unsigned int snd_hda_codec_read(struct hda_codec *codec, hda_nid_t nid, int direct, | |
76 | unsigned int verb, unsigned int parm) | |
77 | { | |
78 | unsigned int res; | |
79 | down(&codec->bus->cmd_mutex); | |
80 | if (! codec->bus->ops.command(codec, nid, direct, verb, parm)) | |
81 | res = codec->bus->ops.get_response(codec); | |
82 | else | |
83 | res = (unsigned int)-1; | |
84 | up(&codec->bus->cmd_mutex); | |
85 | return res; | |
86 | } | |
87 | ||
88 | /** | |
89 | * snd_hda_codec_write - send a single command without waiting for response | |
90 | * @codec: the HDA codec | |
91 | * @nid: NID to send the command | |
92 | * @direct: direct flag | |
93 | * @verb: the verb to send | |
94 | * @parm: the parameter for the verb | |
95 | * | |
96 | * Send a single command without waiting for response. | |
97 | * | |
98 | * Returns 0 if successful, or a negative error code. | |
99 | */ | |
100 | int snd_hda_codec_write(struct hda_codec *codec, hda_nid_t nid, int direct, | |
101 | unsigned int verb, unsigned int parm) | |
102 | { | |
103 | int err; | |
104 | down(&codec->bus->cmd_mutex); | |
105 | err = codec->bus->ops.command(codec, nid, direct, verb, parm); | |
106 | up(&codec->bus->cmd_mutex); | |
107 | return err; | |
108 | } | |
109 | ||
110 | /** | |
111 | * snd_hda_sequence_write - sequence writes | |
112 | * @codec: the HDA codec | |
113 | * @seq: VERB array to send | |
114 | * | |
115 | * Send the commands sequentially from the given array. | |
116 | * The array must be terminated with NID=0. | |
117 | */ | |
118 | void snd_hda_sequence_write(struct hda_codec *codec, const struct hda_verb *seq) | |
119 | { | |
120 | for (; seq->nid; seq++) | |
121 | snd_hda_codec_write(codec, seq->nid, 0, seq->verb, seq->param); | |
122 | } | |
123 | ||
124 | /** | |
125 | * snd_hda_get_sub_nodes - get the range of sub nodes | |
126 | * @codec: the HDA codec | |
127 | * @nid: NID to parse | |
128 | * @start_id: the pointer to store the start NID | |
129 | * | |
130 | * Parse the NID and store the start NID of its sub-nodes. | |
131 | * Returns the number of sub-nodes. | |
132 | */ | |
133 | int snd_hda_get_sub_nodes(struct hda_codec *codec, hda_nid_t nid, hda_nid_t *start_id) | |
134 | { | |
135 | unsigned int parm; | |
136 | ||
137 | parm = snd_hda_param_read(codec, nid, AC_PAR_NODE_COUNT); | |
138 | *start_id = (parm >> 16) & 0x7fff; | |
139 | return (int)(parm & 0x7fff); | |
140 | } | |
141 | ||
142 | /** | |
143 | * snd_hda_get_connections - get connection list | |
144 | * @codec: the HDA codec | |
145 | * @nid: NID to parse | |
146 | * @conn_list: connection list array | |
147 | * @max_conns: max. number of connections to store | |
148 | * | |
149 | * Parses the connection list of the given widget and stores the list | |
150 | * of NIDs. | |
151 | * | |
152 | * Returns the number of connections, or a negative error code. | |
153 | */ | |
154 | int snd_hda_get_connections(struct hda_codec *codec, hda_nid_t nid, | |
155 | hda_nid_t *conn_list, int max_conns) | |
156 | { | |
157 | unsigned int parm; | |
158 | int i, j, conn_len, num_tupples, conns; | |
159 | unsigned int shift, num_elems, mask; | |
160 | ||
161 | snd_assert(conn_list && max_conns > 0, return -EINVAL); | |
162 | ||
163 | parm = snd_hda_param_read(codec, nid, AC_PAR_CONNLIST_LEN); | |
164 | if (parm & AC_CLIST_LONG) { | |
165 | /* long form */ | |
166 | shift = 16; | |
167 | num_elems = 2; | |
168 | } else { | |
169 | /* short form */ | |
170 | shift = 8; | |
171 | num_elems = 4; | |
172 | } | |
173 | conn_len = parm & AC_CLIST_LENGTH; | |
174 | num_tupples = num_elems / 2; | |
175 | mask = (1 << (shift-1)) - 1; | |
176 | ||
177 | if (! conn_len) | |
178 | return 0; /* no connection */ | |
179 | ||
180 | if (conn_len == 1) { | |
181 | /* single connection */ | |
182 | parm = snd_hda_codec_read(codec, nid, 0, AC_VERB_GET_CONNECT_LIST, 0); | |
183 | conn_list[0] = parm & mask; | |
184 | return 1; | |
185 | } | |
186 | ||
187 | /* multi connection */ | |
188 | conns = 0; | |
189 | for (i = 0; i < conn_len; i += num_elems) { | |
190 | parm = snd_hda_codec_read(codec, nid, 0, AC_VERB_GET_CONNECT_LIST, i); | |
191 | for (j = 0; j < num_tupples; j++) { | |
192 | int range_val; | |
193 | hda_nid_t val1, val2, n; | |
194 | range_val = parm & (1 << (shift-1)); /* ranges */ | |
195 | val1 = parm & mask; | |
196 | parm >>= shift; | |
197 | val2 = parm & mask; | |
198 | parm >>= shift; | |
199 | if (range_val) { | |
200 | /* ranges between val1 and val2 */ | |
201 | if (val1 > val2) { | |
202 | snd_printk(KERN_WARNING "hda_codec: invalid dep_range_val %x:%x\n", val1, val2); | |
203 | continue; | |
204 | } | |
205 | for (n = val1; n <= val2; n++) { | |
206 | if (conns >= max_conns) | |
207 | return -EINVAL; | |
208 | conn_list[conns++] = n; | |
209 | } | |
210 | } else { | |
211 | if (! val1) | |
212 | break; | |
213 | if (conns >= max_conns) | |
214 | return -EINVAL; | |
215 | conn_list[conns++] = val1; | |
216 | if (! val2) | |
217 | break; | |
218 | if (conns >= max_conns) | |
219 | return -EINVAL; | |
220 | conn_list[conns++] = val2; | |
221 | } | |
222 | } | |
223 | } | |
224 | return conns; | |
225 | } | |
226 | ||
227 | ||
228 | /** | |
229 | * snd_hda_queue_unsol_event - add an unsolicited event to queue | |
230 | * @bus: the BUS | |
231 | * @res: unsolicited event (lower 32bit of RIRB entry) | |
232 | * @res_ex: codec addr and flags (upper 32bit or RIRB entry) | |
233 | * | |
234 | * Adds the given event to the queue. The events are processed in | |
235 | * the workqueue asynchronously. Call this function in the interrupt | |
236 | * hanlder when RIRB receives an unsolicited event. | |
237 | * | |
238 | * Returns 0 if successful, or a negative error code. | |
239 | */ | |
240 | int snd_hda_queue_unsol_event(struct hda_bus *bus, u32 res, u32 res_ex) | |
241 | { | |
242 | struct hda_bus_unsolicited *unsol; | |
243 | unsigned int wp; | |
244 | ||
245 | if ((unsol = bus->unsol) == NULL) | |
246 | return 0; | |
247 | ||
248 | wp = (unsol->wp + 1) % HDA_UNSOL_QUEUE_SIZE; | |
249 | unsol->wp = wp; | |
250 | ||
251 | wp <<= 1; | |
252 | unsol->queue[wp] = res; | |
253 | unsol->queue[wp + 1] = res_ex; | |
254 | ||
255 | queue_work(unsol->workq, &unsol->work); | |
256 | ||
257 | return 0; | |
258 | } | |
259 | ||
260 | /* | |
261 | * process queueud unsolicited events | |
262 | */ | |
263 | static void process_unsol_events(void *data) | |
264 | { | |
265 | struct hda_bus *bus = data; | |
266 | struct hda_bus_unsolicited *unsol = bus->unsol; | |
267 | struct hda_codec *codec; | |
268 | unsigned int rp, caddr, res; | |
269 | ||
270 | while (unsol->rp != unsol->wp) { | |
271 | rp = (unsol->rp + 1) % HDA_UNSOL_QUEUE_SIZE; | |
272 | unsol->rp = rp; | |
273 | rp <<= 1; | |
274 | res = unsol->queue[rp]; | |
275 | caddr = unsol->queue[rp + 1]; | |
276 | if (! (caddr & (1 << 4))) /* no unsolicited event? */ | |
277 | continue; | |
278 | codec = bus->caddr_tbl[caddr & 0x0f]; | |
279 | if (codec && codec->patch_ops.unsol_event) | |
280 | codec->patch_ops.unsol_event(codec, res); | |
281 | } | |
282 | } | |
283 | ||
284 | /* | |
285 | * initialize unsolicited queue | |
286 | */ | |
287 | static int init_unsol_queue(struct hda_bus *bus) | |
288 | { | |
289 | struct hda_bus_unsolicited *unsol; | |
290 | ||
9f146bb6 TI |
291 | if (bus->unsol) /* already initialized */ |
292 | return 0; | |
293 | ||
e560d8d8 | 294 | unsol = kzalloc(sizeof(*unsol), GFP_KERNEL); |
1da177e4 LT |
295 | if (! unsol) { |
296 | snd_printk(KERN_ERR "hda_codec: can't allocate unsolicited queue\n"); | |
297 | return -ENOMEM; | |
298 | } | |
299 | unsol->workq = create_workqueue("hda_codec"); | |
300 | if (! unsol->workq) { | |
301 | snd_printk(KERN_ERR "hda_codec: can't create workqueue\n"); | |
302 | kfree(unsol); | |
303 | return -ENOMEM; | |
304 | } | |
305 | INIT_WORK(&unsol->work, process_unsol_events, bus); | |
306 | bus->unsol = unsol; | |
307 | return 0; | |
308 | } | |
309 | ||
310 | /* | |
311 | * destructor | |
312 | */ | |
313 | static void snd_hda_codec_free(struct hda_codec *codec); | |
314 | ||
315 | static int snd_hda_bus_free(struct hda_bus *bus) | |
316 | { | |
317 | struct list_head *p, *n; | |
318 | ||
319 | if (! bus) | |
320 | return 0; | |
321 | if (bus->unsol) { | |
322 | destroy_workqueue(bus->unsol->workq); | |
323 | kfree(bus->unsol); | |
324 | } | |
325 | list_for_each_safe(p, n, &bus->codec_list) { | |
326 | struct hda_codec *codec = list_entry(p, struct hda_codec, list); | |
327 | snd_hda_codec_free(codec); | |
328 | } | |
329 | if (bus->ops.private_free) | |
330 | bus->ops.private_free(bus); | |
331 | kfree(bus); | |
332 | return 0; | |
333 | } | |
334 | ||
335 | static int snd_hda_bus_dev_free(snd_device_t *device) | |
336 | { | |
337 | struct hda_bus *bus = device->device_data; | |
338 | return snd_hda_bus_free(bus); | |
339 | } | |
340 | ||
341 | /** | |
342 | * snd_hda_bus_new - create a HDA bus | |
343 | * @card: the card entry | |
344 | * @temp: the template for hda_bus information | |
345 | * @busp: the pointer to store the created bus instance | |
346 | * | |
347 | * Returns 0 if successful, or a negative error code. | |
348 | */ | |
349 | int snd_hda_bus_new(snd_card_t *card, const struct hda_bus_template *temp, | |
350 | struct hda_bus **busp) | |
351 | { | |
352 | struct hda_bus *bus; | |
353 | int err; | |
354 | static snd_device_ops_t dev_ops = { | |
355 | .dev_free = snd_hda_bus_dev_free, | |
356 | }; | |
357 | ||
358 | snd_assert(temp, return -EINVAL); | |
359 | snd_assert(temp->ops.command && temp->ops.get_response, return -EINVAL); | |
360 | ||
361 | if (busp) | |
362 | *busp = NULL; | |
363 | ||
e560d8d8 | 364 | bus = kzalloc(sizeof(*bus), GFP_KERNEL); |
1da177e4 LT |
365 | if (bus == NULL) { |
366 | snd_printk(KERN_ERR "can't allocate struct hda_bus\n"); | |
367 | return -ENOMEM; | |
368 | } | |
369 | ||
370 | bus->card = card; | |
371 | bus->private_data = temp->private_data; | |
372 | bus->pci = temp->pci; | |
373 | bus->modelname = temp->modelname; | |
374 | bus->ops = temp->ops; | |
375 | ||
376 | init_MUTEX(&bus->cmd_mutex); | |
377 | INIT_LIST_HEAD(&bus->codec_list); | |
378 | ||
1da177e4 LT |
379 | if ((err = snd_device_new(card, SNDRV_DEV_BUS, bus, &dev_ops)) < 0) { |
380 | snd_hda_bus_free(bus); | |
381 | return err; | |
382 | } | |
383 | if (busp) | |
384 | *busp = bus; | |
385 | return 0; | |
386 | } | |
387 | ||
388 | ||
389 | /* | |
390 | * find a matching codec preset | |
391 | */ | |
392 | static const struct hda_codec_preset *find_codec_preset(struct hda_codec *codec) | |
393 | { | |
394 | const struct hda_codec_preset **tbl, *preset; | |
395 | ||
396 | for (tbl = hda_preset_tables; *tbl; tbl++) { | |
397 | for (preset = *tbl; preset->id; preset++) { | |
398 | u32 mask = preset->mask; | |
399 | if (! mask) | |
400 | mask = ~0; | |
401 | if (preset->id == (codec->vendor_id & mask)) | |
402 | return preset; | |
403 | } | |
404 | } | |
405 | return NULL; | |
406 | } | |
407 | ||
408 | /* | |
409 | * snd_hda_get_codec_name - store the codec name | |
410 | */ | |
411 | void snd_hda_get_codec_name(struct hda_codec *codec, | |
412 | char *name, int namelen) | |
413 | { | |
414 | const struct hda_vendor_id *c; | |
415 | const char *vendor = NULL; | |
416 | u16 vendor_id = codec->vendor_id >> 16; | |
417 | char tmp[16]; | |
418 | ||
419 | for (c = hda_vendor_ids; c->id; c++) { | |
420 | if (c->id == vendor_id) { | |
421 | vendor = c->name; | |
422 | break; | |
423 | } | |
424 | } | |
425 | if (! vendor) { | |
426 | sprintf(tmp, "Generic %04x", vendor_id); | |
427 | vendor = tmp; | |
428 | } | |
429 | if (codec->preset && codec->preset->name) | |
430 | snprintf(name, namelen, "%s %s", vendor, codec->preset->name); | |
431 | else | |
432 | snprintf(name, namelen, "%s ID %x", vendor, codec->vendor_id & 0xffff); | |
433 | } | |
434 | ||
435 | /* | |
673b683a | 436 | * look for an AFG and MFG nodes |
1da177e4 | 437 | */ |
673b683a | 438 | static void setup_fg_nodes(struct hda_codec *codec) |
1da177e4 LT |
439 | { |
440 | int i, total_nodes; | |
441 | hda_nid_t nid; | |
442 | ||
443 | total_nodes = snd_hda_get_sub_nodes(codec, AC_NODE_ROOT, &nid); | |
444 | for (i = 0; i < total_nodes; i++, nid++) { | |
673b683a SK |
445 | switch((snd_hda_param_read(codec, nid, AC_PAR_FUNCTION_TYPE) & 0xff)) { |
446 | case AC_GRP_AUDIO_FUNCTION: | |
447 | codec->afg = nid; | |
448 | break; | |
449 | case AC_GRP_MODEM_FUNCTION: | |
450 | codec->mfg = nid; | |
451 | break; | |
452 | default: | |
453 | break; | |
454 | } | |
1da177e4 | 455 | } |
1da177e4 LT |
456 | } |
457 | ||
458 | /* | |
459 | * codec destructor | |
460 | */ | |
461 | static void snd_hda_codec_free(struct hda_codec *codec) | |
462 | { | |
463 | if (! codec) | |
464 | return; | |
465 | list_del(&codec->list); | |
466 | codec->bus->caddr_tbl[codec->addr] = NULL; | |
467 | if (codec->patch_ops.free) | |
468 | codec->patch_ops.free(codec); | |
d031166f | 469 | kfree(codec->amp_info); |
1da177e4 LT |
470 | kfree(codec); |
471 | } | |
472 | ||
473 | static void init_amp_hash(struct hda_codec *codec); | |
474 | ||
475 | /** | |
476 | * snd_hda_codec_new - create a HDA codec | |
477 | * @bus: the bus to assign | |
478 | * @codec_addr: the codec address | |
479 | * @codecp: the pointer to store the generated codec | |
480 | * | |
481 | * Returns 0 if successful, or a negative error code. | |
482 | */ | |
483 | int snd_hda_codec_new(struct hda_bus *bus, unsigned int codec_addr, | |
484 | struct hda_codec **codecp) | |
485 | { | |
486 | struct hda_codec *codec; | |
487 | char component[13]; | |
488 | int err; | |
489 | ||
490 | snd_assert(bus, return -EINVAL); | |
491 | snd_assert(codec_addr <= HDA_MAX_CODEC_ADDRESS, return -EINVAL); | |
492 | ||
493 | if (bus->caddr_tbl[codec_addr]) { | |
494 | snd_printk(KERN_ERR "hda_codec: address 0x%x is already occupied\n", codec_addr); | |
495 | return -EBUSY; | |
496 | } | |
497 | ||
e560d8d8 | 498 | codec = kzalloc(sizeof(*codec), GFP_KERNEL); |
1da177e4 LT |
499 | if (codec == NULL) { |
500 | snd_printk(KERN_ERR "can't allocate struct hda_codec\n"); | |
501 | return -ENOMEM; | |
502 | } | |
503 | ||
504 | codec->bus = bus; | |
505 | codec->addr = codec_addr; | |
506 | init_MUTEX(&codec->spdif_mutex); | |
507 | init_amp_hash(codec); | |
508 | ||
509 | list_add_tail(&codec->list, &bus->codec_list); | |
510 | bus->caddr_tbl[codec_addr] = codec; | |
511 | ||
512 | codec->vendor_id = snd_hda_param_read(codec, AC_NODE_ROOT, AC_PAR_VENDOR_ID); | |
513 | codec->subsystem_id = snd_hda_param_read(codec, AC_NODE_ROOT, AC_PAR_SUBSYSTEM_ID); | |
514 | codec->revision_id = snd_hda_param_read(codec, AC_NODE_ROOT, AC_PAR_REV_ID); | |
515 | ||
673b683a SK |
516 | setup_fg_nodes(codec); |
517 | if (! codec->afg && ! codec->mfg) { | |
518 | snd_printdd("hda_codec: no AFG or MFG node found\n"); | |
1da177e4 LT |
519 | snd_hda_codec_free(codec); |
520 | return -ENODEV; | |
521 | } | |
522 | ||
86284e45 TI |
523 | if (! codec->subsystem_id) { |
524 | hda_nid_t nid = codec->afg ? codec->afg : codec->mfg; | |
525 | codec->subsystem_id = snd_hda_codec_read(codec, nid, 0, | |
526 | AC_VERB_GET_SUBSYSTEM_ID, | |
527 | 0); | |
528 | } | |
529 | ||
1da177e4 LT |
530 | codec->preset = find_codec_preset(codec); |
531 | if (! *bus->card->mixername) | |
532 | snd_hda_get_codec_name(codec, bus->card->mixername, | |
533 | sizeof(bus->card->mixername)); | |
534 | ||
535 | if (codec->preset && codec->preset->patch) | |
536 | err = codec->preset->patch(codec); | |
537 | else | |
538 | err = snd_hda_parse_generic_codec(codec); | |
539 | if (err < 0) { | |
540 | snd_hda_codec_free(codec); | |
541 | return err; | |
542 | } | |
543 | ||
9f146bb6 TI |
544 | if (codec->patch_ops.unsol_event) |
545 | init_unsol_queue(bus); | |
546 | ||
1da177e4 LT |
547 | snd_hda_codec_proc_new(codec); |
548 | ||
549 | sprintf(component, "HDA:%08x", codec->vendor_id); | |
550 | snd_component_add(codec->bus->card, component); | |
551 | ||
552 | if (codecp) | |
553 | *codecp = codec; | |
554 | return 0; | |
555 | } | |
556 | ||
557 | /** | |
558 | * snd_hda_codec_setup_stream - set up the codec for streaming | |
559 | * @codec: the CODEC to set up | |
560 | * @nid: the NID to set up | |
561 | * @stream_tag: stream tag to pass, it's between 0x1 and 0xf. | |
562 | * @channel_id: channel id to pass, zero based. | |
563 | * @format: stream format. | |
564 | */ | |
565 | void snd_hda_codec_setup_stream(struct hda_codec *codec, hda_nid_t nid, u32 stream_tag, | |
566 | int channel_id, int format) | |
567 | { | |
d21b37ea TI |
568 | if (! nid) |
569 | return; | |
570 | ||
1da177e4 LT |
571 | snd_printdd("hda_codec_setup_stream: NID=0x%x, stream=0x%x, channel=%d, format=0x%x\n", |
572 | nid, stream_tag, channel_id, format); | |
573 | snd_hda_codec_write(codec, nid, 0, AC_VERB_SET_CHANNEL_STREAMID, | |
574 | (stream_tag << 4) | channel_id); | |
575 | msleep(1); | |
576 | snd_hda_codec_write(codec, nid, 0, AC_VERB_SET_STREAM_FORMAT, format); | |
577 | } | |
578 | ||
579 | ||
580 | /* | |
581 | * amp access functions | |
582 | */ | |
583 | ||
4a19faee TI |
584 | /* FIXME: more better hash key? */ |
585 | #define HDA_HASH_KEY(nid,dir,idx) (u32)((nid) + ((idx) << 16) + ((dir) << 24)) | |
1da177e4 | 586 | #define INFO_AMP_CAPS (1<<0) |
4a19faee | 587 | #define INFO_AMP_VOL(ch) (1 << (1 + (ch))) |
1da177e4 LT |
588 | |
589 | /* initialize the hash table */ | |
590 | static void init_amp_hash(struct hda_codec *codec) | |
591 | { | |
592 | memset(codec->amp_hash, 0xff, sizeof(codec->amp_hash)); | |
593 | codec->num_amp_entries = 0; | |
d031166f TI |
594 | codec->amp_info_size = 0; |
595 | codec->amp_info = NULL; | |
1da177e4 LT |
596 | } |
597 | ||
598 | /* query the hash. allocate an entry if not found. */ | |
599 | static struct hda_amp_info *get_alloc_amp_hash(struct hda_codec *codec, u32 key) | |
600 | { | |
601 | u16 idx = key % (u16)ARRAY_SIZE(codec->amp_hash); | |
602 | u16 cur = codec->amp_hash[idx]; | |
603 | struct hda_amp_info *info; | |
604 | ||
605 | while (cur != 0xffff) { | |
606 | info = &codec->amp_info[cur]; | |
607 | if (info->key == key) | |
608 | return info; | |
609 | cur = info->next; | |
610 | } | |
611 | ||
612 | /* add a new hash entry */ | |
d031166f TI |
613 | if (codec->num_amp_entries >= codec->amp_info_size) { |
614 | /* reallocate the array */ | |
615 | int new_size = codec->amp_info_size + 64; | |
616 | struct hda_amp_info *new_info = kcalloc(new_size, sizeof(struct hda_amp_info), | |
617 | GFP_KERNEL); | |
618 | if (! new_info) { | |
619 | snd_printk(KERN_ERR "hda_codec: can't malloc amp_info\n"); | |
620 | return NULL; | |
621 | } | |
622 | if (codec->amp_info) { | |
623 | memcpy(new_info, codec->amp_info, | |
624 | codec->amp_info_size * sizeof(struct hda_amp_info)); | |
625 | kfree(codec->amp_info); | |
626 | } | |
627 | codec->amp_info_size = new_size; | |
628 | codec->amp_info = new_info; | |
1da177e4 LT |
629 | } |
630 | cur = codec->num_amp_entries++; | |
631 | info = &codec->amp_info[cur]; | |
632 | info->key = key; | |
633 | info->status = 0; /* not initialized yet */ | |
634 | info->next = codec->amp_hash[idx]; | |
635 | codec->amp_hash[idx] = cur; | |
636 | ||
637 | return info; | |
638 | } | |
639 | ||
640 | /* | |
641 | * query AMP capabilities for the given widget and direction | |
642 | */ | |
643 | static u32 query_amp_caps(struct hda_codec *codec, hda_nid_t nid, int direction) | |
644 | { | |
645 | struct hda_amp_info *info = get_alloc_amp_hash(codec, HDA_HASH_KEY(nid, direction, 0)); | |
646 | ||
647 | if (! info) | |
648 | return 0; | |
649 | if (! (info->status & INFO_AMP_CAPS)) { | |
650 | if (!(snd_hda_param_read(codec, nid, AC_PAR_AUDIO_WIDGET_CAP) & AC_WCAP_AMP_OVRD)) | |
651 | nid = codec->afg; | |
652 | info->amp_caps = snd_hda_param_read(codec, nid, direction == HDA_OUTPUT ? | |
653 | AC_PAR_AMP_OUT_CAP : AC_PAR_AMP_IN_CAP); | |
654 | info->status |= INFO_AMP_CAPS; | |
655 | } | |
656 | return info->amp_caps; | |
657 | } | |
658 | ||
659 | /* | |
660 | * read the current volume to info | |
4a19faee | 661 | * if the cache exists, read the cache value. |
1da177e4 | 662 | */ |
4a19faee | 663 | static unsigned int get_vol_mute(struct hda_codec *codec, struct hda_amp_info *info, |
1da177e4 LT |
664 | hda_nid_t nid, int ch, int direction, int index) |
665 | { | |
666 | u32 val, parm; | |
667 | ||
4a19faee TI |
668 | if (info->status & INFO_AMP_VOL(ch)) |
669 | return info->vol[ch]; | |
1da177e4 LT |
670 | |
671 | parm = ch ? AC_AMP_GET_RIGHT : AC_AMP_GET_LEFT; | |
672 | parm |= direction == HDA_OUTPUT ? AC_AMP_GET_OUTPUT : AC_AMP_GET_INPUT; | |
673 | parm |= index; | |
674 | val = snd_hda_codec_read(codec, nid, 0, AC_VERB_GET_AMP_GAIN_MUTE, parm); | |
675 | info->vol[ch] = val & 0xff; | |
4a19faee TI |
676 | info->status |= INFO_AMP_VOL(ch); |
677 | return info->vol[ch]; | |
1da177e4 LT |
678 | } |
679 | ||
680 | /* | |
4a19faee | 681 | * write the current volume in info to the h/w and update the cache |
1da177e4 | 682 | */ |
4a19faee | 683 | static void put_vol_mute(struct hda_codec *codec, struct hda_amp_info *info, |
1da177e4 LT |
684 | hda_nid_t nid, int ch, int direction, int index, int val) |
685 | { | |
686 | u32 parm; | |
687 | ||
688 | parm = ch ? AC_AMP_SET_RIGHT : AC_AMP_SET_LEFT; | |
689 | parm |= direction == HDA_OUTPUT ? AC_AMP_SET_OUTPUT : AC_AMP_SET_INPUT; | |
690 | parm |= index << AC_AMP_SET_INDEX_SHIFT; | |
691 | parm |= val; | |
692 | snd_hda_codec_write(codec, nid, 0, AC_VERB_SET_AMP_GAIN_MUTE, parm); | |
4a19faee | 693 | info->vol[ch] = val; |
1da177e4 LT |
694 | } |
695 | ||
696 | /* | |
4a19faee | 697 | * read AMP value. The volume is between 0 to 0x7f, 0x80 = mute bit. |
1da177e4 | 698 | */ |
89c87bf8 | 699 | static int snd_hda_codec_amp_read(struct hda_codec *codec, hda_nid_t nid, int ch, int direction, int index) |
1da177e4 LT |
700 | { |
701 | struct hda_amp_info *info = get_alloc_amp_hash(codec, HDA_HASH_KEY(nid, direction, index)); | |
702 | if (! info) | |
703 | return 0; | |
4a19faee | 704 | return get_vol_mute(codec, info, nid, ch, direction, index); |
1da177e4 LT |
705 | } |
706 | ||
4a19faee TI |
707 | /* |
708 | * update the AMP value, mask = bit mask to set, val = the value | |
709 | */ | |
710 | static int snd_hda_codec_amp_update(struct hda_codec *codec, hda_nid_t nid, int ch, int direction, int idx, int mask, int val) | |
1da177e4 LT |
711 | { |
712 | struct hda_amp_info *info = get_alloc_amp_hash(codec, HDA_HASH_KEY(nid, direction, idx)); | |
4a19faee | 713 | |
1da177e4 LT |
714 | if (! info) |
715 | return 0; | |
4a19faee TI |
716 | val &= mask; |
717 | val |= get_vol_mute(codec, info, nid, ch, direction, idx) & ~mask; | |
1da177e4 LT |
718 | if (info->vol[ch] == val && ! codec->in_resume) |
719 | return 0; | |
4a19faee | 720 | put_vol_mute(codec, info, nid, ch, direction, idx, val); |
1da177e4 LT |
721 | return 1; |
722 | } | |
723 | ||
724 | ||
725 | /* | |
726 | * AMP control callbacks | |
727 | */ | |
728 | /* retrieve parameters from private_value */ | |
729 | #define get_amp_nid(kc) ((kc)->private_value & 0xffff) | |
730 | #define get_amp_channels(kc) (((kc)->private_value >> 16) & 0x3) | |
731 | #define get_amp_direction(kc) (((kc)->private_value >> 18) & 0x1) | |
732 | #define get_amp_index(kc) (((kc)->private_value >> 19) & 0xf) | |
733 | ||
734 | /* volume */ | |
735 | int snd_hda_mixer_amp_volume_info(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t *uinfo) | |
736 | { | |
737 | struct hda_codec *codec = snd_kcontrol_chip(kcontrol); | |
738 | u16 nid = get_amp_nid(kcontrol); | |
739 | u8 chs = get_amp_channels(kcontrol); | |
740 | int dir = get_amp_direction(kcontrol); | |
741 | u32 caps; | |
742 | ||
743 | caps = query_amp_caps(codec, nid, dir); | |
744 | caps = (caps & AC_AMPCAP_NUM_STEPS) >> AC_AMPCAP_NUM_STEPS_SHIFT; /* num steps */ | |
745 | if (! caps) { | |
746 | printk(KERN_WARNING "hda_codec: num_steps = 0 for NID=0x%x\n", nid); | |
747 | return -EINVAL; | |
748 | } | |
749 | uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; | |
750 | uinfo->count = chs == 3 ? 2 : 1; | |
751 | uinfo->value.integer.min = 0; | |
752 | uinfo->value.integer.max = caps; | |
753 | return 0; | |
754 | } | |
755 | ||
756 | int snd_hda_mixer_amp_volume_get(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol) | |
757 | { | |
758 | struct hda_codec *codec = snd_kcontrol_chip(kcontrol); | |
759 | hda_nid_t nid = get_amp_nid(kcontrol); | |
760 | int chs = get_amp_channels(kcontrol); | |
761 | int dir = get_amp_direction(kcontrol); | |
762 | int idx = get_amp_index(kcontrol); | |
763 | long *valp = ucontrol->value.integer.value; | |
764 | ||
765 | if (chs & 1) | |
766 | *valp++ = snd_hda_codec_amp_read(codec, nid, 0, dir, idx) & 0x7f; | |
767 | if (chs & 2) | |
768 | *valp = snd_hda_codec_amp_read(codec, nid, 1, dir, idx) & 0x7f; | |
769 | return 0; | |
770 | } | |
771 | ||
772 | int snd_hda_mixer_amp_volume_put(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol) | |
773 | { | |
774 | struct hda_codec *codec = snd_kcontrol_chip(kcontrol); | |
775 | hda_nid_t nid = get_amp_nid(kcontrol); | |
776 | int chs = get_amp_channels(kcontrol); | |
777 | int dir = get_amp_direction(kcontrol); | |
778 | int idx = get_amp_index(kcontrol); | |
1da177e4 LT |
779 | long *valp = ucontrol->value.integer.value; |
780 | int change = 0; | |
781 | ||
b9f5a89c | 782 | if (chs & 1) { |
4a19faee TI |
783 | change = snd_hda_codec_amp_update(codec, nid, 0, dir, idx, |
784 | 0x7f, *valp); | |
b9f5a89c NG |
785 | valp++; |
786 | } | |
4a19faee TI |
787 | if (chs & 2) |
788 | change |= snd_hda_codec_amp_update(codec, nid, 1, dir, idx, | |
b9f5a89c | 789 | 0x7f, *valp); |
1da177e4 LT |
790 | return change; |
791 | } | |
792 | ||
793 | /* switch */ | |
794 | int snd_hda_mixer_amp_switch_info(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t *uinfo) | |
795 | { | |
796 | int chs = get_amp_channels(kcontrol); | |
797 | ||
798 | uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN; | |
799 | uinfo->count = chs == 3 ? 2 : 1; | |
800 | uinfo->value.integer.min = 0; | |
801 | uinfo->value.integer.max = 1; | |
802 | return 0; | |
803 | } | |
804 | ||
805 | int snd_hda_mixer_amp_switch_get(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol) | |
806 | { | |
807 | struct hda_codec *codec = snd_kcontrol_chip(kcontrol); | |
808 | hda_nid_t nid = get_amp_nid(kcontrol); | |
809 | int chs = get_amp_channels(kcontrol); | |
810 | int dir = get_amp_direction(kcontrol); | |
811 | int idx = get_amp_index(kcontrol); | |
812 | long *valp = ucontrol->value.integer.value; | |
813 | ||
814 | if (chs & 1) | |
815 | *valp++ = (snd_hda_codec_amp_read(codec, nid, 0, dir, idx) & 0x80) ? 0 : 1; | |
816 | if (chs & 2) | |
817 | *valp = (snd_hda_codec_amp_read(codec, nid, 1, dir, idx) & 0x80) ? 0 : 1; | |
818 | return 0; | |
819 | } | |
820 | ||
821 | int snd_hda_mixer_amp_switch_put(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol) | |
822 | { | |
823 | struct hda_codec *codec = snd_kcontrol_chip(kcontrol); | |
824 | hda_nid_t nid = get_amp_nid(kcontrol); | |
825 | int chs = get_amp_channels(kcontrol); | |
826 | int dir = get_amp_direction(kcontrol); | |
827 | int idx = get_amp_index(kcontrol); | |
1da177e4 LT |
828 | long *valp = ucontrol->value.integer.value; |
829 | int change = 0; | |
830 | ||
b9f5a89c | 831 | if (chs & 1) { |
4a19faee TI |
832 | change = snd_hda_codec_amp_update(codec, nid, 0, dir, idx, |
833 | 0x80, *valp ? 0 : 0x80); | |
b9f5a89c NG |
834 | valp++; |
835 | } | |
4a19faee TI |
836 | if (chs & 2) |
837 | change |= snd_hda_codec_amp_update(codec, nid, 1, dir, idx, | |
b9f5a89c NG |
838 | 0x80, *valp ? 0 : 0x80); |
839 | ||
1da177e4 LT |
840 | return change; |
841 | } | |
842 | ||
985be54b TI |
843 | /* |
844 | * bound volume controls | |
845 | * | |
846 | * bind multiple volumes (# indices, from 0) | |
847 | */ | |
848 | ||
849 | #define AMP_VAL_IDX_SHIFT 19 | |
850 | #define AMP_VAL_IDX_MASK (0x0f<<19) | |
851 | ||
852 | int snd_hda_mixer_bind_switch_get(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol) | |
853 | { | |
854 | struct hda_codec *codec = snd_kcontrol_chip(kcontrol); | |
855 | unsigned long pval; | |
856 | int err; | |
857 | ||
858 | down(&codec->spdif_mutex); /* reuse spdif_mutex */ | |
859 | pval = kcontrol->private_value; | |
860 | kcontrol->private_value = pval & ~AMP_VAL_IDX_MASK; /* index 0 */ | |
861 | err = snd_hda_mixer_amp_switch_get(kcontrol, ucontrol); | |
862 | kcontrol->private_value = pval; | |
863 | up(&codec->spdif_mutex); | |
864 | return err; | |
865 | } | |
866 | ||
867 | int snd_hda_mixer_bind_switch_put(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol) | |
868 | { | |
869 | struct hda_codec *codec = snd_kcontrol_chip(kcontrol); | |
870 | unsigned long pval; | |
871 | int i, indices, err = 0, change = 0; | |
872 | ||
873 | down(&codec->spdif_mutex); /* reuse spdif_mutex */ | |
874 | pval = kcontrol->private_value; | |
875 | indices = (pval & AMP_VAL_IDX_MASK) >> AMP_VAL_IDX_SHIFT; | |
876 | for (i = 0; i < indices; i++) { | |
877 | kcontrol->private_value = (pval & ~AMP_VAL_IDX_MASK) | (i << AMP_VAL_IDX_SHIFT); | |
878 | err = snd_hda_mixer_amp_switch_put(kcontrol, ucontrol); | |
879 | if (err < 0) | |
880 | break; | |
881 | change |= err; | |
882 | } | |
883 | kcontrol->private_value = pval; | |
884 | up(&codec->spdif_mutex); | |
885 | return err < 0 ? err : change; | |
886 | } | |
887 | ||
1da177e4 LT |
888 | /* |
889 | * SPDIF out controls | |
890 | */ | |
891 | ||
892 | static int snd_hda_spdif_mask_info(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t *uinfo) | |
893 | { | |
894 | uinfo->type = SNDRV_CTL_ELEM_TYPE_IEC958; | |
895 | uinfo->count = 1; | |
896 | return 0; | |
897 | } | |
898 | ||
899 | static int snd_hda_spdif_cmask_get(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol) | |
900 | { | |
901 | ucontrol->value.iec958.status[0] = IEC958_AES0_PROFESSIONAL | | |
902 | IEC958_AES0_NONAUDIO | | |
903 | IEC958_AES0_CON_EMPHASIS_5015 | | |
904 | IEC958_AES0_CON_NOT_COPYRIGHT; | |
905 | ucontrol->value.iec958.status[1] = IEC958_AES1_CON_CATEGORY | | |
906 | IEC958_AES1_CON_ORIGINAL; | |
907 | return 0; | |
908 | } | |
909 | ||
910 | static int snd_hda_spdif_pmask_get(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol) | |
911 | { | |
912 | ucontrol->value.iec958.status[0] = IEC958_AES0_PROFESSIONAL | | |
913 | IEC958_AES0_NONAUDIO | | |
914 | IEC958_AES0_PRO_EMPHASIS_5015; | |
915 | return 0; | |
916 | } | |
917 | ||
918 | static int snd_hda_spdif_default_get(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol) | |
919 | { | |
920 | struct hda_codec *codec = snd_kcontrol_chip(kcontrol); | |
921 | ||
922 | ucontrol->value.iec958.status[0] = codec->spdif_status & 0xff; | |
923 | ucontrol->value.iec958.status[1] = (codec->spdif_status >> 8) & 0xff; | |
924 | ucontrol->value.iec958.status[2] = (codec->spdif_status >> 16) & 0xff; | |
925 | ucontrol->value.iec958.status[3] = (codec->spdif_status >> 24) & 0xff; | |
926 | ||
927 | return 0; | |
928 | } | |
929 | ||
930 | /* convert from SPDIF status bits to HDA SPDIF bits | |
931 | * bit 0 (DigEn) is always set zero (to be filled later) | |
932 | */ | |
933 | static unsigned short convert_from_spdif_status(unsigned int sbits) | |
934 | { | |
935 | unsigned short val = 0; | |
936 | ||
937 | if (sbits & IEC958_AES0_PROFESSIONAL) | |
938 | val |= 1 << 6; | |
939 | if (sbits & IEC958_AES0_NONAUDIO) | |
940 | val |= 1 << 5; | |
941 | if (sbits & IEC958_AES0_PROFESSIONAL) { | |
942 | if ((sbits & IEC958_AES0_PRO_EMPHASIS) == IEC958_AES0_PRO_EMPHASIS_5015) | |
943 | val |= 1 << 3; | |
944 | } else { | |
945 | if ((sbits & IEC958_AES0_CON_EMPHASIS) == IEC958_AES0_CON_EMPHASIS_5015) | |
946 | val |= 1 << 3; | |
947 | if (! (sbits & IEC958_AES0_CON_NOT_COPYRIGHT)) | |
948 | val |= 1 << 4; | |
949 | if (sbits & (IEC958_AES1_CON_ORIGINAL << 8)) | |
950 | val |= 1 << 7; | |
951 | val |= sbits & (IEC958_AES1_CON_CATEGORY << 8); | |
952 | } | |
953 | return val; | |
954 | } | |
955 | ||
956 | /* convert to SPDIF status bits from HDA SPDIF bits | |
957 | */ | |
958 | static unsigned int convert_to_spdif_status(unsigned short val) | |
959 | { | |
960 | unsigned int sbits = 0; | |
961 | ||
962 | if (val & (1 << 5)) | |
963 | sbits |= IEC958_AES0_NONAUDIO; | |
964 | if (val & (1 << 6)) | |
965 | sbits |= IEC958_AES0_PROFESSIONAL; | |
966 | if (sbits & IEC958_AES0_PROFESSIONAL) { | |
967 | if (sbits & (1 << 3)) | |
968 | sbits |= IEC958_AES0_PRO_EMPHASIS_5015; | |
969 | } else { | |
970 | if (val & (1 << 3)) | |
971 | sbits |= IEC958_AES0_CON_EMPHASIS_5015; | |
972 | if (! (val & (1 << 4))) | |
973 | sbits |= IEC958_AES0_CON_NOT_COPYRIGHT; | |
974 | if (val & (1 << 7)) | |
975 | sbits |= (IEC958_AES1_CON_ORIGINAL << 8); | |
976 | sbits |= val & (0x7f << 8); | |
977 | } | |
978 | return sbits; | |
979 | } | |
980 | ||
981 | static int snd_hda_spdif_default_put(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol) | |
982 | { | |
983 | struct hda_codec *codec = snd_kcontrol_chip(kcontrol); | |
984 | hda_nid_t nid = kcontrol->private_value; | |
985 | unsigned short val; | |
986 | int change; | |
987 | ||
988 | down(&codec->spdif_mutex); | |
989 | codec->spdif_status = ucontrol->value.iec958.status[0] | | |
990 | ((unsigned int)ucontrol->value.iec958.status[1] << 8) | | |
991 | ((unsigned int)ucontrol->value.iec958.status[2] << 16) | | |
992 | ((unsigned int)ucontrol->value.iec958.status[3] << 24); | |
993 | val = convert_from_spdif_status(codec->spdif_status); | |
994 | val |= codec->spdif_ctls & 1; | |
995 | change = codec->spdif_ctls != val; | |
996 | codec->spdif_ctls = val; | |
997 | ||
998 | if (change || codec->in_resume) { | |
999 | snd_hda_codec_write(codec, nid, 0, AC_VERB_SET_DIGI_CONVERT_1, val & 0xff); | |
1000 | snd_hda_codec_write(codec, nid, 0, AC_VERB_SET_DIGI_CONVERT_2, val >> 8); | |
1001 | } | |
1002 | ||
1003 | up(&codec->spdif_mutex); | |
1004 | return change; | |
1005 | } | |
1006 | ||
1007 | static int snd_hda_spdif_out_switch_info(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t *uinfo) | |
1008 | { | |
1009 | uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN; | |
1010 | uinfo->count = 1; | |
1011 | uinfo->value.integer.min = 0; | |
1012 | uinfo->value.integer.max = 1; | |
1013 | return 0; | |
1014 | } | |
1015 | ||
1016 | static int snd_hda_spdif_out_switch_get(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol) | |
1017 | { | |
1018 | struct hda_codec *codec = snd_kcontrol_chip(kcontrol); | |
1019 | ||
1020 | ucontrol->value.integer.value[0] = codec->spdif_ctls & 1; | |
1021 | return 0; | |
1022 | } | |
1023 | ||
1024 | static int snd_hda_spdif_out_switch_put(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol) | |
1025 | { | |
1026 | struct hda_codec *codec = snd_kcontrol_chip(kcontrol); | |
1027 | hda_nid_t nid = kcontrol->private_value; | |
1028 | unsigned short val; | |
1029 | int change; | |
1030 | ||
1031 | down(&codec->spdif_mutex); | |
1032 | val = codec->spdif_ctls & ~1; | |
1033 | if (ucontrol->value.integer.value[0]) | |
1034 | val |= 1; | |
1035 | change = codec->spdif_ctls != val; | |
1036 | if (change || codec->in_resume) { | |
1037 | codec->spdif_ctls = val; | |
1038 | snd_hda_codec_write(codec, nid, 0, AC_VERB_SET_DIGI_CONVERT_1, val & 0xff); | |
1039 | snd_hda_codec_write(codec, nid, 0, AC_VERB_SET_AMP_GAIN_MUTE, | |
1040 | AC_AMP_SET_RIGHT | AC_AMP_SET_LEFT | | |
1041 | AC_AMP_SET_OUTPUT | ((val & 1) ? 0 : 0x80)); | |
1042 | } | |
1043 | up(&codec->spdif_mutex); | |
1044 | return change; | |
1045 | } | |
1046 | ||
1047 | static snd_kcontrol_new_t dig_mixes[] = { | |
1048 | { | |
1049 | .access = SNDRV_CTL_ELEM_ACCESS_READ, | |
1050 | .iface = SNDRV_CTL_ELEM_IFACE_MIXER, | |
1051 | .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,CON_MASK), | |
1052 | .info = snd_hda_spdif_mask_info, | |
1053 | .get = snd_hda_spdif_cmask_get, | |
1054 | }, | |
1055 | { | |
1056 | .access = SNDRV_CTL_ELEM_ACCESS_READ, | |
1057 | .iface = SNDRV_CTL_ELEM_IFACE_MIXER, | |
1058 | .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,PRO_MASK), | |
1059 | .info = snd_hda_spdif_mask_info, | |
1060 | .get = snd_hda_spdif_pmask_get, | |
1061 | }, | |
1062 | { | |
1063 | .iface = SNDRV_CTL_ELEM_IFACE_MIXER, | |
1064 | .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,DEFAULT), | |
1065 | .info = snd_hda_spdif_mask_info, | |
1066 | .get = snd_hda_spdif_default_get, | |
1067 | .put = snd_hda_spdif_default_put, | |
1068 | }, | |
1069 | { | |
1070 | .iface = SNDRV_CTL_ELEM_IFACE_MIXER, | |
1071 | .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,SWITCH), | |
1072 | .info = snd_hda_spdif_out_switch_info, | |
1073 | .get = snd_hda_spdif_out_switch_get, | |
1074 | .put = snd_hda_spdif_out_switch_put, | |
1075 | }, | |
1076 | { } /* end */ | |
1077 | }; | |
1078 | ||
1079 | /** | |
1080 | * snd_hda_create_spdif_out_ctls - create Output SPDIF-related controls | |
1081 | * @codec: the HDA codec | |
1082 | * @nid: audio out widget NID | |
1083 | * | |
1084 | * Creates controls related with the SPDIF output. | |
1085 | * Called from each patch supporting the SPDIF out. | |
1086 | * | |
1087 | * Returns 0 if successful, or a negative error code. | |
1088 | */ | |
1089 | int snd_hda_create_spdif_out_ctls(struct hda_codec *codec, hda_nid_t nid) | |
1090 | { | |
1091 | int err; | |
1092 | snd_kcontrol_t *kctl; | |
1093 | snd_kcontrol_new_t *dig_mix; | |
1094 | ||
1095 | for (dig_mix = dig_mixes; dig_mix->name; dig_mix++) { | |
1096 | kctl = snd_ctl_new1(dig_mix, codec); | |
1097 | kctl->private_value = nid; | |
1098 | if ((err = snd_ctl_add(codec->bus->card, kctl)) < 0) | |
1099 | return err; | |
1100 | } | |
1101 | codec->spdif_ctls = snd_hda_codec_read(codec, nid, 0, AC_VERB_GET_DIGI_CONVERT, 0); | |
1102 | codec->spdif_status = convert_to_spdif_status(codec->spdif_ctls); | |
1103 | return 0; | |
1104 | } | |
1105 | ||
1106 | /* | |
1107 | * SPDIF input | |
1108 | */ | |
1109 | ||
1110 | #define snd_hda_spdif_in_switch_info snd_hda_spdif_out_switch_info | |
1111 | ||
1112 | static int snd_hda_spdif_in_switch_get(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol) | |
1113 | { | |
1114 | struct hda_codec *codec = snd_kcontrol_chip(kcontrol); | |
1115 | ||
1116 | ucontrol->value.integer.value[0] = codec->spdif_in_enable; | |
1117 | return 0; | |
1118 | } | |
1119 | ||
1120 | static int snd_hda_spdif_in_switch_put(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol) | |
1121 | { | |
1122 | struct hda_codec *codec = snd_kcontrol_chip(kcontrol); | |
1123 | hda_nid_t nid = kcontrol->private_value; | |
1124 | unsigned int val = !!ucontrol->value.integer.value[0]; | |
1125 | int change; | |
1126 | ||
1127 | down(&codec->spdif_mutex); | |
1128 | change = codec->spdif_in_enable != val; | |
1129 | if (change || codec->in_resume) { | |
1130 | codec->spdif_in_enable = val; | |
1131 | snd_hda_codec_write(codec, nid, 0, AC_VERB_SET_DIGI_CONVERT_1, val); | |
1132 | } | |
1133 | up(&codec->spdif_mutex); | |
1134 | return change; | |
1135 | } | |
1136 | ||
1137 | static int snd_hda_spdif_in_status_get(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *ucontrol) | |
1138 | { | |
1139 | struct hda_codec *codec = snd_kcontrol_chip(kcontrol); | |
1140 | hda_nid_t nid = kcontrol->private_value; | |
1141 | unsigned short val; | |
1142 | unsigned int sbits; | |
1143 | ||
1144 | val = snd_hda_codec_read(codec, nid, 0, AC_VERB_GET_DIGI_CONVERT, 0); | |
1145 | sbits = convert_to_spdif_status(val); | |
1146 | ucontrol->value.iec958.status[0] = sbits; | |
1147 | ucontrol->value.iec958.status[1] = sbits >> 8; | |
1148 | ucontrol->value.iec958.status[2] = sbits >> 16; | |
1149 | ucontrol->value.iec958.status[3] = sbits >> 24; | |
1150 | return 0; | |
1151 | } | |
1152 | ||
1153 | static snd_kcontrol_new_t dig_in_ctls[] = { | |
1154 | { | |
1155 | .iface = SNDRV_CTL_ELEM_IFACE_MIXER, | |
1156 | .name = SNDRV_CTL_NAME_IEC958("",CAPTURE,SWITCH), | |
1157 | .info = snd_hda_spdif_in_switch_info, | |
1158 | .get = snd_hda_spdif_in_switch_get, | |
1159 | .put = snd_hda_spdif_in_switch_put, | |
1160 | }, | |
1161 | { | |
1162 | .access = SNDRV_CTL_ELEM_ACCESS_READ, | |
1163 | .iface = SNDRV_CTL_ELEM_IFACE_MIXER, | |
1164 | .name = SNDRV_CTL_NAME_IEC958("",CAPTURE,DEFAULT), | |
1165 | .info = snd_hda_spdif_mask_info, | |
1166 | .get = snd_hda_spdif_in_status_get, | |
1167 | }, | |
1168 | { } /* end */ | |
1169 | }; | |
1170 | ||
1171 | /** | |
1172 | * snd_hda_create_spdif_in_ctls - create Input SPDIF-related controls | |
1173 | * @codec: the HDA codec | |
1174 | * @nid: audio in widget NID | |
1175 | * | |
1176 | * Creates controls related with the SPDIF input. | |
1177 | * Called from each patch supporting the SPDIF in. | |
1178 | * | |
1179 | * Returns 0 if successful, or a negative error code. | |
1180 | */ | |
1181 | int snd_hda_create_spdif_in_ctls(struct hda_codec *codec, hda_nid_t nid) | |
1182 | { | |
1183 | int err; | |
1184 | snd_kcontrol_t *kctl; | |
1185 | snd_kcontrol_new_t *dig_mix; | |
1186 | ||
1187 | for (dig_mix = dig_in_ctls; dig_mix->name; dig_mix++) { | |
1188 | kctl = snd_ctl_new1(dig_mix, codec); | |
1189 | kctl->private_value = nid; | |
1190 | if ((err = snd_ctl_add(codec->bus->card, kctl)) < 0) | |
1191 | return err; | |
1192 | } | |
1193 | codec->spdif_in_enable = snd_hda_codec_read(codec, nid, 0, AC_VERB_GET_DIGI_CONVERT, 0) & 1; | |
1194 | return 0; | |
1195 | } | |
1196 | ||
1197 | ||
1198 | /** | |
1199 | * snd_hda_build_controls - build mixer controls | |
1200 | * @bus: the BUS | |
1201 | * | |
1202 | * Creates mixer controls for each codec included in the bus. | |
1203 | * | |
1204 | * Returns 0 if successful, otherwise a negative error code. | |
1205 | */ | |
1206 | int snd_hda_build_controls(struct hda_bus *bus) | |
1207 | { | |
1208 | struct list_head *p; | |
1209 | ||
1210 | /* build controls */ | |
1211 | list_for_each(p, &bus->codec_list) { | |
1212 | struct hda_codec *codec = list_entry(p, struct hda_codec, list); | |
1213 | int err; | |
1214 | if (! codec->patch_ops.build_controls) | |
1215 | continue; | |
1216 | err = codec->patch_ops.build_controls(codec); | |
1217 | if (err < 0) | |
1218 | return err; | |
1219 | } | |
1220 | ||
1221 | /* initialize */ | |
1222 | list_for_each(p, &bus->codec_list) { | |
1223 | struct hda_codec *codec = list_entry(p, struct hda_codec, list); | |
1224 | int err; | |
1225 | if (! codec->patch_ops.init) | |
1226 | continue; | |
1227 | err = codec->patch_ops.init(codec); | |
1228 | if (err < 0) | |
1229 | return err; | |
1230 | } | |
1231 | return 0; | |
1232 | } | |
1233 | ||
1234 | ||
1235 | /* | |
1236 | * stream formats | |
1237 | */ | |
befdf316 TI |
1238 | struct hda_rate_tbl { |
1239 | unsigned int hz; | |
1240 | unsigned int alsa_bits; | |
1241 | unsigned int hda_fmt; | |
1242 | }; | |
1243 | ||
1244 | static struct hda_rate_tbl rate_bits[] = { | |
1da177e4 | 1245 | /* rate in Hz, ALSA rate bitmask, HDA format value */ |
9d8f53f2 NG |
1246 | |
1247 | /* autodetected value used in snd_hda_query_supported_pcm */ | |
1da177e4 LT |
1248 | { 8000, SNDRV_PCM_RATE_8000, 0x0500 }, /* 1/6 x 48 */ |
1249 | { 11025, SNDRV_PCM_RATE_11025, 0x4300 }, /* 1/4 x 44 */ | |
1250 | { 16000, SNDRV_PCM_RATE_16000, 0x0200 }, /* 1/3 x 48 */ | |
1251 | { 22050, SNDRV_PCM_RATE_22050, 0x4100 }, /* 1/2 x 44 */ | |
1252 | { 32000, SNDRV_PCM_RATE_32000, 0x0a00 }, /* 2/3 x 48 */ | |
1253 | { 44100, SNDRV_PCM_RATE_44100, 0x4000 }, /* 44 */ | |
1254 | { 48000, SNDRV_PCM_RATE_48000, 0x0000 }, /* 48 */ | |
1255 | { 88200, SNDRV_PCM_RATE_88200, 0x4800 }, /* 2 x 44 */ | |
1256 | { 96000, SNDRV_PCM_RATE_96000, 0x0800 }, /* 2 x 48 */ | |
1257 | { 176400, SNDRV_PCM_RATE_176400, 0x5800 },/* 4 x 44 */ | |
1258 | { 192000, SNDRV_PCM_RATE_192000, 0x1800 }, /* 4 x 48 */ | |
9d8f53f2 NG |
1259 | |
1260 | /* not autodetected value */ | |
1261 | { 9600, SNDRV_PCM_RATE_KNOT, 0x0400 }, /* 1/5 x 48 */ | |
befdf316 TI |
1262 | |
1263 | { 0 } /* terminator */ | |
1da177e4 LT |
1264 | }; |
1265 | ||
1266 | /** | |
1267 | * snd_hda_calc_stream_format - calculate format bitset | |
1268 | * @rate: the sample rate | |
1269 | * @channels: the number of channels | |
1270 | * @format: the PCM format (SNDRV_PCM_FORMAT_XXX) | |
1271 | * @maxbps: the max. bps | |
1272 | * | |
1273 | * Calculate the format bitset from the given rate, channels and th PCM format. | |
1274 | * | |
1275 | * Return zero if invalid. | |
1276 | */ | |
1277 | unsigned int snd_hda_calc_stream_format(unsigned int rate, | |
1278 | unsigned int channels, | |
1279 | unsigned int format, | |
1280 | unsigned int maxbps) | |
1281 | { | |
1282 | int i; | |
1283 | unsigned int val = 0; | |
1284 | ||
befdf316 TI |
1285 | for (i = 0; rate_bits[i].hz; i++) |
1286 | if (rate_bits[i].hz == rate) { | |
1287 | val = rate_bits[i].hda_fmt; | |
1da177e4 LT |
1288 | break; |
1289 | } | |
befdf316 | 1290 | if (! rate_bits[i].hz) { |
1da177e4 LT |
1291 | snd_printdd("invalid rate %d\n", rate); |
1292 | return 0; | |
1293 | } | |
1294 | ||
1295 | if (channels == 0 || channels > 8) { | |
1296 | snd_printdd("invalid channels %d\n", channels); | |
1297 | return 0; | |
1298 | } | |
1299 | val |= channels - 1; | |
1300 | ||
1301 | switch (snd_pcm_format_width(format)) { | |
1302 | case 8: val |= 0x00; break; | |
1303 | case 16: val |= 0x10; break; | |
1304 | case 20: | |
1305 | case 24: | |
1306 | case 32: | |
1307 | if (maxbps >= 32) | |
1308 | val |= 0x40; | |
1309 | else if (maxbps >= 24) | |
1310 | val |= 0x30; | |
1311 | else | |
1312 | val |= 0x20; | |
1313 | break; | |
1314 | default: | |
1315 | snd_printdd("invalid format width %d\n", snd_pcm_format_width(format)); | |
1316 | return 0; | |
1317 | } | |
1318 | ||
1319 | return val; | |
1320 | } | |
1321 | ||
1322 | /** | |
1323 | * snd_hda_query_supported_pcm - query the supported PCM rates and formats | |
1324 | * @codec: the HDA codec | |
1325 | * @nid: NID to query | |
1326 | * @ratesp: the pointer to store the detected rate bitflags | |
1327 | * @formatsp: the pointer to store the detected formats | |
1328 | * @bpsp: the pointer to store the detected format widths | |
1329 | * | |
1330 | * Queries the supported PCM rates and formats. The NULL @ratesp, @formatsp | |
1331 | * or @bsps argument is ignored. | |
1332 | * | |
1333 | * Returns 0 if successful, otherwise a negative error code. | |
1334 | */ | |
1335 | int snd_hda_query_supported_pcm(struct hda_codec *codec, hda_nid_t nid, | |
1336 | u32 *ratesp, u64 *formatsp, unsigned int *bpsp) | |
1337 | { | |
1338 | int i; | |
1339 | unsigned int val, streams; | |
1340 | ||
1341 | val = 0; | |
1342 | if (nid != codec->afg && | |
1343 | snd_hda_param_read(codec, nid, AC_PAR_AUDIO_WIDGET_CAP) & AC_WCAP_FORMAT_OVRD) { | |
1344 | val = snd_hda_param_read(codec, nid, AC_PAR_PCM); | |
1345 | if (val == -1) | |
1346 | return -EIO; | |
1347 | } | |
1348 | if (! val) | |
1349 | val = snd_hda_param_read(codec, codec->afg, AC_PAR_PCM); | |
1350 | ||
1351 | if (ratesp) { | |
1352 | u32 rates = 0; | |
befdf316 | 1353 | for (i = 0; rate_bits[i].hz; i++) { |
1da177e4 | 1354 | if (val & (1 << i)) |
befdf316 | 1355 | rates |= rate_bits[i].alsa_bits; |
1da177e4 LT |
1356 | } |
1357 | *ratesp = rates; | |
1358 | } | |
1359 | ||
1360 | if (formatsp || bpsp) { | |
1361 | u64 formats = 0; | |
1362 | unsigned int bps; | |
1363 | unsigned int wcaps; | |
1364 | ||
1365 | wcaps = snd_hda_param_read(codec, nid, AC_PAR_AUDIO_WIDGET_CAP); | |
1366 | streams = snd_hda_param_read(codec, nid, AC_PAR_STREAM); | |
1367 | if (streams == -1) | |
1368 | return -EIO; | |
1369 | if (! streams) { | |
1370 | streams = snd_hda_param_read(codec, codec->afg, AC_PAR_STREAM); | |
1371 | if (streams == -1) | |
1372 | return -EIO; | |
1373 | } | |
1374 | ||
1375 | bps = 0; | |
1376 | if (streams & AC_SUPFMT_PCM) { | |
1377 | if (val & AC_SUPPCM_BITS_8) { | |
1378 | formats |= SNDRV_PCM_FMTBIT_U8; | |
1379 | bps = 8; | |
1380 | } | |
1381 | if (val & AC_SUPPCM_BITS_16) { | |
1382 | formats |= SNDRV_PCM_FMTBIT_S16_LE; | |
1383 | bps = 16; | |
1384 | } | |
1385 | if (wcaps & AC_WCAP_DIGITAL) { | |
1386 | if (val & AC_SUPPCM_BITS_32) | |
1387 | formats |= SNDRV_PCM_FMTBIT_IEC958_SUBFRAME_LE; | |
1388 | if (val & (AC_SUPPCM_BITS_20|AC_SUPPCM_BITS_24)) | |
1389 | formats |= SNDRV_PCM_FMTBIT_S32_LE; | |
1390 | if (val & AC_SUPPCM_BITS_24) | |
1391 | bps = 24; | |
1392 | else if (val & AC_SUPPCM_BITS_20) | |
1393 | bps = 20; | |
1394 | } else if (val & (AC_SUPPCM_BITS_20|AC_SUPPCM_BITS_24|AC_SUPPCM_BITS_32)) { | |
1395 | formats |= SNDRV_PCM_FMTBIT_S32_LE; | |
1396 | if (val & AC_SUPPCM_BITS_32) | |
1397 | bps = 32; | |
1398 | else if (val & AC_SUPPCM_BITS_20) | |
1399 | bps = 20; | |
1400 | else if (val & AC_SUPPCM_BITS_24) | |
1401 | bps = 24; | |
1402 | } | |
1403 | } | |
1404 | else if (streams == AC_SUPFMT_FLOAT32) { /* should be exclusive */ | |
1405 | formats |= SNDRV_PCM_FMTBIT_FLOAT_LE; | |
1406 | bps = 32; | |
1407 | } else if (streams == AC_SUPFMT_AC3) { /* should be exclusive */ | |
1408 | /* temporary hack: we have still no proper support | |
1409 | * for the direct AC3 stream... | |
1410 | */ | |
1411 | formats |= SNDRV_PCM_FMTBIT_U8; | |
1412 | bps = 8; | |
1413 | } | |
1414 | if (formatsp) | |
1415 | *formatsp = formats; | |
1416 | if (bpsp) | |
1417 | *bpsp = bps; | |
1418 | } | |
1419 | ||
1420 | return 0; | |
1421 | } | |
1422 | ||
1423 | /** | |
1424 | * snd_hda_is_supported_format - check whether the given node supports the format val | |
1425 | * | |
1426 | * Returns 1 if supported, 0 if not. | |
1427 | */ | |
1428 | int snd_hda_is_supported_format(struct hda_codec *codec, hda_nid_t nid, | |
1429 | unsigned int format) | |
1430 | { | |
1431 | int i; | |
1432 | unsigned int val = 0, rate, stream; | |
1433 | ||
1434 | if (nid != codec->afg && | |
1435 | snd_hda_param_read(codec, nid, AC_PAR_AUDIO_WIDGET_CAP) & AC_WCAP_FORMAT_OVRD) { | |
1436 | val = snd_hda_param_read(codec, nid, AC_PAR_PCM); | |
1437 | if (val == -1) | |
1438 | return 0; | |
1439 | } | |
1440 | if (! val) { | |
1441 | val = snd_hda_param_read(codec, codec->afg, AC_PAR_PCM); | |
1442 | if (val == -1) | |
1443 | return 0; | |
1444 | } | |
1445 | ||
1446 | rate = format & 0xff00; | |
befdf316 TI |
1447 | for (i = 0; rate_bits[i].hz; i++) |
1448 | if (rate_bits[i].hda_fmt == rate) { | |
1da177e4 LT |
1449 | if (val & (1 << i)) |
1450 | break; | |
1451 | return 0; | |
1452 | } | |
befdf316 | 1453 | if (! rate_bits[i].hz) |
1da177e4 LT |
1454 | return 0; |
1455 | ||
1456 | stream = snd_hda_param_read(codec, nid, AC_PAR_STREAM); | |
1457 | if (stream == -1) | |
1458 | return 0; | |
1459 | if (! stream && nid != codec->afg) | |
1460 | stream = snd_hda_param_read(codec, codec->afg, AC_PAR_STREAM); | |
1461 | if (! stream || stream == -1) | |
1462 | return 0; | |
1463 | ||
1464 | if (stream & AC_SUPFMT_PCM) { | |
1465 | switch (format & 0xf0) { | |
1466 | case 0x00: | |
1467 | if (! (val & AC_SUPPCM_BITS_8)) | |
1468 | return 0; | |
1469 | break; | |
1470 | case 0x10: | |
1471 | if (! (val & AC_SUPPCM_BITS_16)) | |
1472 | return 0; | |
1473 | break; | |
1474 | case 0x20: | |
1475 | if (! (val & AC_SUPPCM_BITS_20)) | |
1476 | return 0; | |
1477 | break; | |
1478 | case 0x30: | |
1479 | if (! (val & AC_SUPPCM_BITS_24)) | |
1480 | return 0; | |
1481 | break; | |
1482 | case 0x40: | |
1483 | if (! (val & AC_SUPPCM_BITS_32)) | |
1484 | return 0; | |
1485 | break; | |
1486 | default: | |
1487 | return 0; | |
1488 | } | |
1489 | } else { | |
1490 | /* FIXME: check for float32 and AC3? */ | |
1491 | } | |
1492 | ||
1493 | return 1; | |
1494 | } | |
1495 | ||
1496 | /* | |
1497 | * PCM stuff | |
1498 | */ | |
1499 | static int hda_pcm_default_open_close(struct hda_pcm_stream *hinfo, | |
1500 | struct hda_codec *codec, | |
1501 | snd_pcm_substream_t *substream) | |
1502 | { | |
1503 | return 0; | |
1504 | } | |
1505 | ||
1506 | static int hda_pcm_default_prepare(struct hda_pcm_stream *hinfo, | |
1507 | struct hda_codec *codec, | |
1508 | unsigned int stream_tag, | |
1509 | unsigned int format, | |
1510 | snd_pcm_substream_t *substream) | |
1511 | { | |
1512 | snd_hda_codec_setup_stream(codec, hinfo->nid, stream_tag, 0, format); | |
1513 | return 0; | |
1514 | } | |
1515 | ||
1516 | static int hda_pcm_default_cleanup(struct hda_pcm_stream *hinfo, | |
1517 | struct hda_codec *codec, | |
1518 | snd_pcm_substream_t *substream) | |
1519 | { | |
1520 | snd_hda_codec_setup_stream(codec, hinfo->nid, 0, 0, 0); | |
1521 | return 0; | |
1522 | } | |
1523 | ||
1524 | static int set_pcm_default_values(struct hda_codec *codec, struct hda_pcm_stream *info) | |
1525 | { | |
1526 | if (info->nid) { | |
1527 | /* query support PCM information from the given NID */ | |
1528 | if (! info->rates || ! info->formats) | |
1529 | snd_hda_query_supported_pcm(codec, info->nid, | |
1530 | info->rates ? NULL : &info->rates, | |
1531 | info->formats ? NULL : &info->formats, | |
1532 | info->maxbps ? NULL : &info->maxbps); | |
1533 | } | |
1534 | if (info->ops.open == NULL) | |
1535 | info->ops.open = hda_pcm_default_open_close; | |
1536 | if (info->ops.close == NULL) | |
1537 | info->ops.close = hda_pcm_default_open_close; | |
1538 | if (info->ops.prepare == NULL) { | |
1539 | snd_assert(info->nid, return -EINVAL); | |
1540 | info->ops.prepare = hda_pcm_default_prepare; | |
1541 | } | |
1da177e4 LT |
1542 | if (info->ops.cleanup == NULL) { |
1543 | snd_assert(info->nid, return -EINVAL); | |
1544 | info->ops.cleanup = hda_pcm_default_cleanup; | |
1545 | } | |
1546 | return 0; | |
1547 | } | |
1548 | ||
1549 | /** | |
1550 | * snd_hda_build_pcms - build PCM information | |
1551 | * @bus: the BUS | |
1552 | * | |
1553 | * Create PCM information for each codec included in the bus. | |
1554 | * | |
1555 | * The build_pcms codec patch is requested to set up codec->num_pcms and | |
1556 | * codec->pcm_info properly. The array is referred by the top-level driver | |
1557 | * to create its PCM instances. | |
1558 | * The allocated codec->pcm_info should be released in codec->patch_ops.free | |
1559 | * callback. | |
1560 | * | |
1561 | * At least, substreams, channels_min and channels_max must be filled for | |
1562 | * each stream. substreams = 0 indicates that the stream doesn't exist. | |
1563 | * When rates and/or formats are zero, the supported values are queried | |
1564 | * from the given nid. The nid is used also by the default ops.prepare | |
1565 | * and ops.cleanup callbacks. | |
1566 | * | |
1567 | * The driver needs to call ops.open in its open callback. Similarly, | |
1568 | * ops.close is supposed to be called in the close callback. | |
1569 | * ops.prepare should be called in the prepare or hw_params callback | |
1570 | * with the proper parameters for set up. | |
1571 | * ops.cleanup should be called in hw_free for clean up of streams. | |
1572 | * | |
1573 | * This function returns 0 if successfull, or a negative error code. | |
1574 | */ | |
1575 | int snd_hda_build_pcms(struct hda_bus *bus) | |
1576 | { | |
1577 | struct list_head *p; | |
1578 | ||
1579 | list_for_each(p, &bus->codec_list) { | |
1580 | struct hda_codec *codec = list_entry(p, struct hda_codec, list); | |
1581 | unsigned int pcm, s; | |
1582 | int err; | |
1583 | if (! codec->patch_ops.build_pcms) | |
1584 | continue; | |
1585 | err = codec->patch_ops.build_pcms(codec); | |
1586 | if (err < 0) | |
1587 | return err; | |
1588 | for (pcm = 0; pcm < codec->num_pcms; pcm++) { | |
1589 | for (s = 0; s < 2; s++) { | |
1590 | struct hda_pcm_stream *info; | |
1591 | info = &codec->pcm_info[pcm].stream[s]; | |
1592 | if (! info->substreams) | |
1593 | continue; | |
1594 | err = set_pcm_default_values(codec, info); | |
1595 | if (err < 0) | |
1596 | return err; | |
1597 | } | |
1598 | } | |
1599 | } | |
1600 | return 0; | |
1601 | } | |
1602 | ||
1603 | ||
1604 | /** | |
1605 | * snd_hda_check_board_config - compare the current codec with the config table | |
1606 | * @codec: the HDA codec | |
1607 | * @tbl: configuration table, terminated by null entries | |
1608 | * | |
1609 | * Compares the modelname or PCI subsystem id of the current codec with the | |
1610 | * given configuration table. If a matching entry is found, returns its | |
1611 | * config value (supposed to be 0 or positive). | |
1612 | * | |
1613 | * If no entries are matching, the function returns a negative value. | |
1614 | */ | |
e9edcee0 | 1615 | int snd_hda_check_board_config(struct hda_codec *codec, const struct hda_board_config *tbl) |
1da177e4 | 1616 | { |
e9edcee0 | 1617 | const struct hda_board_config *c; |
1da177e4 LT |
1618 | |
1619 | if (codec->bus->modelname) { | |
7291548d | 1620 | for (c = tbl; c->modelname || c->pci_subvendor; c++) { |
1da177e4 LT |
1621 | if (c->modelname && |
1622 | ! strcmp(codec->bus->modelname, c->modelname)) { | |
1623 | snd_printd(KERN_INFO "hda_codec: model '%s' is selected\n", c->modelname); | |
1624 | return c->config; | |
1625 | } | |
1626 | } | |
1627 | } | |
1628 | ||
1629 | if (codec->bus->pci) { | |
1630 | u16 subsystem_vendor, subsystem_device; | |
1631 | pci_read_config_word(codec->bus->pci, PCI_SUBSYSTEM_VENDOR_ID, &subsystem_vendor); | |
1632 | pci_read_config_word(codec->bus->pci, PCI_SUBSYSTEM_ID, &subsystem_device); | |
7291548d TI |
1633 | for (c = tbl; c->modelname || c->pci_subvendor; c++) { |
1634 | if (c->pci_subvendor == subsystem_vendor && | |
5ecd7022 | 1635 | (! c->pci_subdevice /* all match */|| |
cb8e2f83 TI |
1636 | (c->pci_subdevice == subsystem_device))) { |
1637 | snd_printdd(KERN_INFO "hda_codec: PCI %x:%x, codec config %d is selected\n", | |
1638 | subsystem_vendor, subsystem_device, c->config); | |
1da177e4 | 1639 | return c->config; |
cb8e2f83 | 1640 | } |
1da177e4 LT |
1641 | } |
1642 | } | |
1643 | return -1; | |
1644 | } | |
1645 | ||
1646 | /** | |
1647 | * snd_hda_add_new_ctls - create controls from the array | |
1648 | * @codec: the HDA codec | |
1649 | * @knew: the array of snd_kcontrol_new_t | |
1650 | * | |
1651 | * This helper function creates and add new controls in the given array. | |
1652 | * The array must be terminated with an empty entry as terminator. | |
1653 | * | |
1654 | * Returns 0 if successful, or a negative error code. | |
1655 | */ | |
1656 | int snd_hda_add_new_ctls(struct hda_codec *codec, snd_kcontrol_new_t *knew) | |
1657 | { | |
1658 | int err; | |
1659 | ||
1660 | for (; knew->name; knew++) { | |
1661 | err = snd_ctl_add(codec->bus->card, snd_ctl_new1(knew, codec)); | |
1662 | if (err < 0) | |
1663 | return err; | |
1664 | } | |
1665 | return 0; | |
1666 | } | |
1667 | ||
1668 | ||
d2a6d7dc TI |
1669 | /* |
1670 | * Channel mode helper | |
1671 | */ | |
1672 | int snd_hda_ch_mode_info(struct hda_codec *codec, snd_ctl_elem_info_t *uinfo, | |
1673 | const struct hda_channel_mode *chmode, int num_chmodes) | |
1674 | { | |
1675 | uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED; | |
1676 | uinfo->count = 1; | |
1677 | uinfo->value.enumerated.items = num_chmodes; | |
1678 | if (uinfo->value.enumerated.item >= num_chmodes) | |
1679 | uinfo->value.enumerated.item = num_chmodes - 1; | |
1680 | sprintf(uinfo->value.enumerated.name, "%dch", | |
1681 | chmode[uinfo->value.enumerated.item].channels); | |
1682 | return 0; | |
1683 | } | |
1684 | ||
1685 | int snd_hda_ch_mode_get(struct hda_codec *codec, snd_ctl_elem_value_t *ucontrol, | |
1686 | const struct hda_channel_mode *chmode, int num_chmodes, | |
1687 | int max_channels) | |
1688 | { | |
1689 | int i; | |
1690 | ||
1691 | for (i = 0; i < num_chmodes; i++) { | |
1692 | if (max_channels == chmode[i].channels) { | |
1693 | ucontrol->value.enumerated.item[0] = i; | |
1694 | break; | |
1695 | } | |
1696 | } | |
1697 | return 0; | |
1698 | } | |
1699 | ||
1700 | int snd_hda_ch_mode_put(struct hda_codec *codec, snd_ctl_elem_value_t *ucontrol, | |
1701 | const struct hda_channel_mode *chmode, int num_chmodes, | |
1702 | int *max_channelsp) | |
1703 | { | |
1704 | unsigned int mode; | |
1705 | ||
1706 | mode = ucontrol->value.enumerated.item[0]; | |
1707 | snd_assert(mode < num_chmodes, return -EINVAL); | |
1708 | if (*max_channelsp && ! codec->in_resume) | |
1709 | return 0; | |
1710 | /* change the current channel setting */ | |
1711 | *max_channelsp = chmode[mode].channels; | |
1712 | if (chmode[mode].sequence) | |
1713 | snd_hda_sequence_write(codec, chmode[mode].sequence); | |
1714 | return 1; | |
1715 | } | |
1716 | ||
1da177e4 LT |
1717 | /* |
1718 | * input MUX helper | |
1719 | */ | |
1720 | int snd_hda_input_mux_info(const struct hda_input_mux *imux, snd_ctl_elem_info_t *uinfo) | |
1721 | { | |
1722 | unsigned int index; | |
1723 | ||
1724 | uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED; | |
1725 | uinfo->count = 1; | |
1726 | uinfo->value.enumerated.items = imux->num_items; | |
1727 | index = uinfo->value.enumerated.item; | |
1728 | if (index >= imux->num_items) | |
1729 | index = imux->num_items - 1; | |
1730 | strcpy(uinfo->value.enumerated.name, imux->items[index].label); | |
1731 | return 0; | |
1732 | } | |
1733 | ||
1734 | int snd_hda_input_mux_put(struct hda_codec *codec, const struct hda_input_mux *imux, | |
1735 | snd_ctl_elem_value_t *ucontrol, hda_nid_t nid, | |
1736 | unsigned int *cur_val) | |
1737 | { | |
1738 | unsigned int idx; | |
1739 | ||
1740 | idx = ucontrol->value.enumerated.item[0]; | |
1741 | if (idx >= imux->num_items) | |
1742 | idx = imux->num_items - 1; | |
1743 | if (*cur_val == idx && ! codec->in_resume) | |
1744 | return 0; | |
1745 | snd_hda_codec_write(codec, nid, 0, AC_VERB_SET_CONNECT_SEL, | |
1746 | imux->items[idx].index); | |
1747 | *cur_val = idx; | |
1748 | return 1; | |
1749 | } | |
1750 | ||
1751 | ||
1752 | /* | |
1753 | * Multi-channel / digital-out PCM helper functions | |
1754 | */ | |
1755 | ||
1756 | /* | |
1757 | * open the digital out in the exclusive mode | |
1758 | */ | |
1759 | int snd_hda_multi_out_dig_open(struct hda_codec *codec, struct hda_multi_out *mout) | |
1760 | { | |
1761 | down(&codec->spdif_mutex); | |
1762 | if (mout->dig_out_used) { | |
1763 | up(&codec->spdif_mutex); | |
1764 | return -EBUSY; /* already being used */ | |
1765 | } | |
1766 | mout->dig_out_used = HDA_DIG_EXCLUSIVE; | |
1767 | up(&codec->spdif_mutex); | |
1768 | return 0; | |
1769 | } | |
1770 | ||
1771 | /* | |
1772 | * release the digital out | |
1773 | */ | |
1774 | int snd_hda_multi_out_dig_close(struct hda_codec *codec, struct hda_multi_out *mout) | |
1775 | { | |
1776 | down(&codec->spdif_mutex); | |
1777 | mout->dig_out_used = 0; | |
1778 | up(&codec->spdif_mutex); | |
1779 | return 0; | |
1780 | } | |
1781 | ||
1782 | /* | |
1783 | * set up more restrictions for analog out | |
1784 | */ | |
1785 | int snd_hda_multi_out_analog_open(struct hda_codec *codec, struct hda_multi_out *mout, | |
1786 | snd_pcm_substream_t *substream) | |
1787 | { | |
1788 | substream->runtime->hw.channels_max = mout->max_channels; | |
1789 | return snd_pcm_hw_constraint_step(substream->runtime, 0, | |
1790 | SNDRV_PCM_HW_PARAM_CHANNELS, 2); | |
1791 | } | |
1792 | ||
1793 | /* | |
1794 | * set up the i/o for analog out | |
1795 | * when the digital out is available, copy the front out to digital out, too. | |
1796 | */ | |
1797 | int snd_hda_multi_out_analog_prepare(struct hda_codec *codec, struct hda_multi_out *mout, | |
1798 | unsigned int stream_tag, | |
1799 | unsigned int format, | |
1800 | snd_pcm_substream_t *substream) | |
1801 | { | |
1802 | hda_nid_t *nids = mout->dac_nids; | |
1803 | int chs = substream->runtime->channels; | |
1804 | int i; | |
1805 | ||
1806 | down(&codec->spdif_mutex); | |
1807 | if (mout->dig_out_nid && mout->dig_out_used != HDA_DIG_EXCLUSIVE) { | |
1808 | if (chs == 2 && | |
1809 | snd_hda_is_supported_format(codec, mout->dig_out_nid, format) && | |
1810 | ! (codec->spdif_status & IEC958_AES0_NONAUDIO)) { | |
1811 | mout->dig_out_used = HDA_DIG_ANALOG_DUP; | |
1812 | /* setup digital receiver */ | |
1813 | snd_hda_codec_setup_stream(codec, mout->dig_out_nid, | |
1814 | stream_tag, 0, format); | |
1815 | } else { | |
1816 | mout->dig_out_used = 0; | |
1817 | snd_hda_codec_setup_stream(codec, mout->dig_out_nid, 0, 0, 0); | |
1818 | } | |
1819 | } | |
1820 | up(&codec->spdif_mutex); | |
1821 | ||
1822 | /* front */ | |
1823 | snd_hda_codec_setup_stream(codec, nids[HDA_FRONT], stream_tag, 0, format); | |
1824 | if (mout->hp_nid) | |
1825 | /* headphone out will just decode front left/right (stereo) */ | |
1826 | snd_hda_codec_setup_stream(codec, mout->hp_nid, stream_tag, 0, format); | |
1827 | /* surrounds */ | |
1828 | for (i = 1; i < mout->num_dacs; i++) { | |
4b3acaf5 | 1829 | if (chs >= (i + 1) * 2) /* independent out */ |
1da177e4 LT |
1830 | snd_hda_codec_setup_stream(codec, nids[i], stream_tag, i * 2, |
1831 | format); | |
4b3acaf5 TI |
1832 | else /* copy front */ |
1833 | snd_hda_codec_setup_stream(codec, nids[i], stream_tag, 0, | |
1834 | format); | |
1da177e4 LT |
1835 | } |
1836 | return 0; | |
1837 | } | |
1838 | ||
1839 | /* | |
1840 | * clean up the setting for analog out | |
1841 | */ | |
1842 | int snd_hda_multi_out_analog_cleanup(struct hda_codec *codec, struct hda_multi_out *mout) | |
1843 | { | |
1844 | hda_nid_t *nids = mout->dac_nids; | |
1845 | int i; | |
1846 | ||
1847 | for (i = 0; i < mout->num_dacs; i++) | |
1848 | snd_hda_codec_setup_stream(codec, nids[i], 0, 0, 0); | |
1849 | if (mout->hp_nid) | |
1850 | snd_hda_codec_setup_stream(codec, mout->hp_nid, 0, 0, 0); | |
1851 | down(&codec->spdif_mutex); | |
1852 | if (mout->dig_out_nid && mout->dig_out_used == HDA_DIG_ANALOG_DUP) { | |
1853 | snd_hda_codec_setup_stream(codec, mout->dig_out_nid, 0, 0, 0); | |
1854 | mout->dig_out_used = 0; | |
1855 | } | |
1856 | up(&codec->spdif_mutex); | |
1857 | return 0; | |
1858 | } | |
1859 | ||
e9edcee0 TI |
1860 | /* |
1861 | * Helper for automatic ping configuration | |
1862 | */ | |
1863 | /* parse all pin widgets and store the useful pin nids to cfg */ | |
1864 | int snd_hda_parse_pin_def_config(struct hda_codec *codec, struct auto_pin_cfg *cfg) | |
1865 | { | |
1866 | hda_nid_t nid, nid_start; | |
1867 | int i, j, nodes; | |
1868 | short seq, sequences[4], assoc_line_out; | |
1869 | ||
1870 | memset(cfg, 0, sizeof(*cfg)); | |
1871 | ||
1872 | memset(sequences, 0, sizeof(sequences)); | |
1873 | assoc_line_out = 0; | |
1874 | ||
1875 | nodes = snd_hda_get_sub_nodes(codec, codec->afg, &nid_start); | |
1876 | for (nid = nid_start; nid < nodes + nid_start; nid++) { | |
1877 | unsigned int wid_caps = snd_hda_param_read(codec, nid, | |
1878 | AC_PAR_AUDIO_WIDGET_CAP); | |
1879 | unsigned int wid_type = (wid_caps & AC_WCAP_TYPE) >> AC_WCAP_TYPE_SHIFT; | |
1880 | unsigned int def_conf; | |
1881 | short assoc, loc; | |
1882 | ||
1883 | /* read all default configuration for pin complex */ | |
1884 | if (wid_type != AC_WID_PIN) | |
1885 | continue; | |
1886 | def_conf = snd_hda_codec_read(codec, nid, 0, AC_VERB_GET_CONFIG_DEFAULT, 0); | |
1887 | if (get_defcfg_connect(def_conf) == AC_JACK_PORT_NONE) | |
1888 | continue; | |
1889 | loc = get_defcfg_location(def_conf); | |
1890 | switch (get_defcfg_device(def_conf)) { | |
1891 | case AC_JACK_LINE_OUT: | |
1892 | case AC_JACK_SPEAKER: | |
1893 | seq = get_defcfg_sequence(def_conf); | |
1894 | assoc = get_defcfg_association(def_conf); | |
1895 | if (! assoc) | |
1896 | continue; | |
1897 | if (! assoc_line_out) | |
1898 | assoc_line_out = assoc; | |
1899 | else if (assoc_line_out != assoc) | |
1900 | continue; | |
1901 | if (cfg->line_outs >= ARRAY_SIZE(cfg->line_out_pins)) | |
1902 | continue; | |
1903 | cfg->line_out_pins[cfg->line_outs] = nid; | |
1904 | sequences[cfg->line_outs] = seq; | |
1905 | cfg->line_outs++; | |
1906 | break; | |
1907 | case AC_JACK_HP_OUT: | |
1908 | cfg->hp_pin = nid; | |
1909 | break; | |
1910 | case AC_JACK_MIC_IN: | |
1911 | if (loc == AC_JACK_LOC_FRONT) | |
1912 | cfg->input_pins[AUTO_PIN_FRONT_MIC] = nid; | |
1913 | else | |
1914 | cfg->input_pins[AUTO_PIN_MIC] = nid; | |
1915 | break; | |
1916 | case AC_JACK_LINE_IN: | |
1917 | if (loc == AC_JACK_LOC_FRONT) | |
1918 | cfg->input_pins[AUTO_PIN_FRONT_LINE] = nid; | |
1919 | else | |
1920 | cfg->input_pins[AUTO_PIN_LINE] = nid; | |
1921 | break; | |
1922 | case AC_JACK_CD: | |
1923 | cfg->input_pins[AUTO_PIN_CD] = nid; | |
1924 | break; | |
1925 | case AC_JACK_AUX: | |
1926 | cfg->input_pins[AUTO_PIN_AUX] = nid; | |
1927 | break; | |
1928 | case AC_JACK_SPDIF_OUT: | |
1929 | cfg->dig_out_pin = nid; | |
1930 | break; | |
1931 | case AC_JACK_SPDIF_IN: | |
1932 | cfg->dig_in_pin = nid; | |
1933 | break; | |
1934 | } | |
1935 | } | |
1936 | ||
1937 | /* sort by sequence */ | |
1938 | for (i = 0; i < cfg->line_outs; i++) | |
1939 | for (j = i + 1; j < cfg->line_outs; j++) | |
1940 | if (sequences[i] > sequences[j]) { | |
1941 | seq = sequences[i]; | |
1942 | sequences[i] = sequences[j]; | |
1943 | sequences[j] = seq; | |
1944 | nid = cfg->line_out_pins[i]; | |
1945 | cfg->line_out_pins[i] = cfg->line_out_pins[j]; | |
1946 | cfg->line_out_pins[j] = nid; | |
1947 | } | |
1948 | ||
cb8e2f83 TI |
1949 | /* Reorder the surround channels |
1950 | * ALSA sequence is front/surr/clfe/side | |
1951 | * HDA sequence is: | |
1952 | * 4-ch: front/surr => OK as it is | |
1953 | * 6-ch: front/clfe/surr | |
1954 | * 8-ch: front/clfe/side/surr | |
1955 | */ | |
1956 | switch (cfg->line_outs) { | |
1957 | case 3: | |
e9edcee0 TI |
1958 | nid = cfg->line_out_pins[1]; |
1959 | cfg->line_out_pins[1] = cfg->line_out_pins[2]; | |
1960 | cfg->line_out_pins[2] = nid; | |
cb8e2f83 TI |
1961 | break; |
1962 | case 4: | |
1963 | nid = cfg->line_out_pins[1]; | |
1964 | cfg->line_out_pins[1] = cfg->line_out_pins[3]; | |
1965 | cfg->line_out_pins[3] = cfg->line_out_pins[2]; | |
1966 | cfg->line_out_pins[2] = nid; | |
1967 | break; | |
e9edcee0 TI |
1968 | } |
1969 | ||
1970 | return 0; | |
1971 | } | |
1972 | ||
1da177e4 LT |
1973 | #ifdef CONFIG_PM |
1974 | /* | |
1975 | * power management | |
1976 | */ | |
1977 | ||
1978 | /** | |
1979 | * snd_hda_suspend - suspend the codecs | |
1980 | * @bus: the HDA bus | |
1981 | * @state: suspsend state | |
1982 | * | |
1983 | * Returns 0 if successful. | |
1984 | */ | |
1985 | int snd_hda_suspend(struct hda_bus *bus, pm_message_t state) | |
1986 | { | |
1987 | struct list_head *p; | |
1988 | ||
1989 | /* FIXME: should handle power widget capabilities */ | |
1990 | list_for_each(p, &bus->codec_list) { | |
1991 | struct hda_codec *codec = list_entry(p, struct hda_codec, list); | |
1992 | if (codec->patch_ops.suspend) | |
1993 | codec->patch_ops.suspend(codec, state); | |
1994 | } | |
1995 | return 0; | |
1996 | } | |
1997 | ||
1998 | /** | |
1999 | * snd_hda_resume - resume the codecs | |
2000 | * @bus: the HDA bus | |
2001 | * @state: resume state | |
2002 | * | |
2003 | * Returns 0 if successful. | |
2004 | */ | |
2005 | int snd_hda_resume(struct hda_bus *bus) | |
2006 | { | |
2007 | struct list_head *p; | |
2008 | ||
2009 | list_for_each(p, &bus->codec_list) { | |
2010 | struct hda_codec *codec = list_entry(p, struct hda_codec, list); | |
2011 | if (codec->patch_ops.resume) | |
2012 | codec->patch_ops.resume(codec); | |
2013 | } | |
2014 | return 0; | |
2015 | } | |
2016 | ||
2017 | /** | |
2018 | * snd_hda_resume_ctls - resume controls in the new control list | |
2019 | * @codec: the HDA codec | |
2020 | * @knew: the array of snd_kcontrol_new_t | |
2021 | * | |
2022 | * This function resumes the mixer controls in the snd_kcontrol_new_t array, | |
2023 | * originally for snd_hda_add_new_ctls(). | |
2024 | * The array must be terminated with an empty entry as terminator. | |
2025 | */ | |
2026 | int snd_hda_resume_ctls(struct hda_codec *codec, snd_kcontrol_new_t *knew) | |
2027 | { | |
2028 | snd_ctl_elem_value_t *val; | |
2029 | ||
2030 | val = kmalloc(sizeof(*val), GFP_KERNEL); | |
2031 | if (! val) | |
2032 | return -ENOMEM; | |
2033 | codec->in_resume = 1; | |
2034 | for (; knew->name; knew++) { | |
2035 | int i, count; | |
2036 | count = knew->count ? knew->count : 1; | |
2037 | for (i = 0; i < count; i++) { | |
2038 | memset(val, 0, sizeof(*val)); | |
2039 | val->id.iface = knew->iface; | |
2040 | val->id.device = knew->device; | |
2041 | val->id.subdevice = knew->subdevice; | |
2042 | strcpy(val->id.name, knew->name); | |
2043 | val->id.index = knew->index ? knew->index : i; | |
2044 | /* Assume that get callback reads only from cache, | |
2045 | * not accessing to the real hardware | |
2046 | */ | |
2047 | if (snd_ctl_elem_read(codec->bus->card, val) < 0) | |
2048 | continue; | |
2049 | snd_ctl_elem_write(codec->bus->card, NULL, val); | |
2050 | } | |
2051 | } | |
2052 | codec->in_resume = 0; | |
2053 | kfree(val); | |
2054 | return 0; | |
2055 | } | |
2056 | ||
2057 | /** | |
2058 | * snd_hda_resume_spdif_out - resume the digital out | |
2059 | * @codec: the HDA codec | |
2060 | */ | |
2061 | int snd_hda_resume_spdif_out(struct hda_codec *codec) | |
2062 | { | |
2063 | return snd_hda_resume_ctls(codec, dig_mixes); | |
2064 | } | |
2065 | ||
2066 | /** | |
2067 | * snd_hda_resume_spdif_in - resume the digital in | |
2068 | * @codec: the HDA codec | |
2069 | */ | |
2070 | int snd_hda_resume_spdif_in(struct hda_codec *codec) | |
2071 | { | |
2072 | return snd_hda_resume_ctls(codec, dig_in_ctls); | |
2073 | } | |
2074 | #endif | |
2075 | ||
2076 | /* | |
2077 | * symbols exported for controller modules | |
2078 | */ | |
2079 | EXPORT_SYMBOL(snd_hda_codec_read); | |
2080 | EXPORT_SYMBOL(snd_hda_codec_write); | |
2081 | EXPORT_SYMBOL(snd_hda_sequence_write); | |
2082 | EXPORT_SYMBOL(snd_hda_get_sub_nodes); | |
2083 | EXPORT_SYMBOL(snd_hda_queue_unsol_event); | |
2084 | EXPORT_SYMBOL(snd_hda_bus_new); | |
2085 | EXPORT_SYMBOL(snd_hda_codec_new); | |
2086 | EXPORT_SYMBOL(snd_hda_codec_setup_stream); | |
2087 | EXPORT_SYMBOL(snd_hda_calc_stream_format); | |
2088 | EXPORT_SYMBOL(snd_hda_build_pcms); | |
2089 | EXPORT_SYMBOL(snd_hda_build_controls); | |
2090 | #ifdef CONFIG_PM | |
2091 | EXPORT_SYMBOL(snd_hda_suspend); | |
2092 | EXPORT_SYMBOL(snd_hda_resume); | |
2093 | #endif | |
2094 | ||
2095 | /* | |
2096 | * INIT part | |
2097 | */ | |
2098 | ||
2099 | static int __init alsa_hda_init(void) | |
2100 | { | |
2101 | return 0; | |
2102 | } | |
2103 | ||
2104 | static void __exit alsa_hda_exit(void) | |
2105 | { | |
2106 | } | |
2107 | ||
2108 | module_init(alsa_hda_init) | |
2109 | module_exit(alsa_hda_exit) |