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