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Commit | Line | Data |
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1da177e4 LT |
1 | /* |
2 | * OSS compatible sequencer driver | |
3 | * | |
4 | * synth device handlers | |
5 | * | |
6 | * Copyright (C) 1998,99 Takashi Iwai <tiwai@suse.de> | |
7 | * | |
8 | * This program is free software; you can redistribute it and/or modify | |
9 | * it under the terms of the GNU General Public License as published by | |
10 | * the Free Software Foundation; either version 2 of the License, or | |
11 | * (at your option) any later version. | |
12 | * | |
13 | * This program is distributed in the hope that it will be useful, | |
14 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
16 | * GNU General Public License for more details. | |
17 | * | |
18 | * You should have received a copy of the GNU General Public License | |
19 | * along with this program; if not, write to the Free Software | |
20 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | |
21 | */ | |
22 | ||
23 | #include "seq_oss_synth.h" | |
24 | #include "seq_oss_midi.h" | |
25 | #include "../seq_lock.h" | |
26 | #include <linux/init.h> | |
da155d5b | 27 | #include <linux/module.h> |
5a0e3ad6 | 28 | #include <linux/slab.h> |
1da177e4 LT |
29 | |
30 | /* | |
31 | * constants | |
32 | */ | |
33 | #define SNDRV_SEQ_OSS_MAX_SYNTH_NAME 30 | |
34 | #define MAX_SYSEX_BUFLEN 128 | |
35 | ||
36 | ||
37 | /* | |
38 | * definition of synth info records | |
39 | */ | |
40 | ||
41 | /* sysex buffer */ | |
080dece3 | 42 | struct seq_oss_synth_sysex { |
1da177e4 LT |
43 | int len; |
44 | int skip; | |
45 | unsigned char buf[MAX_SYSEX_BUFLEN]; | |
46 | }; | |
47 | ||
48 | /* synth info */ | |
080dece3 | 49 | struct seq_oss_synth { |
1da177e4 LT |
50 | int seq_device; |
51 | ||
52 | /* for synth_info */ | |
53 | int synth_type; | |
54 | int synth_subtype; | |
55 | int nr_voices; | |
56 | ||
57 | char name[SNDRV_SEQ_OSS_MAX_SYNTH_NAME]; | |
080dece3 | 58 | struct snd_seq_oss_callback oper; |
1da177e4 LT |
59 | |
60 | int opened; | |
61 | ||
62 | void *private_data; | |
63 | snd_use_lock_t use_lock; | |
64 | }; | |
65 | ||
66 | ||
67 | /* | |
68 | * device table | |
69 | */ | |
70 | static int max_synth_devs; | |
080dece3 TI |
71 | static struct seq_oss_synth *synth_devs[SNDRV_SEQ_OSS_MAX_SYNTH_DEVS]; |
72 | static struct seq_oss_synth midi_synth_dev = { | |
76f64b24 AKC |
73 | .seq_device = -1, |
74 | .synth_type = SYNTH_TYPE_MIDI, | |
75 | .synth_subtype = 0, | |
76 | .nr_voices = 16, | |
77 | .name = "MIDI", | |
1da177e4 LT |
78 | }; |
79 | ||
80 | static DEFINE_SPINLOCK(register_lock); | |
81 | ||
82 | /* | |
83 | * prototypes | |
84 | */ | |
080dece3 TI |
85 | static struct seq_oss_synth *get_synthdev(struct seq_oss_devinfo *dp, int dev); |
86 | static void reset_channels(struct seq_oss_synthinfo *info); | |
1da177e4 LT |
87 | |
88 | /* | |
89 | * global initialization | |
90 | */ | |
91 | void __init | |
92 | snd_seq_oss_synth_init(void) | |
93 | { | |
94 | snd_use_lock_init(&midi_synth_dev.use_lock); | |
95 | } | |
96 | ||
97 | /* | |
98 | * registration of the synth device | |
99 | */ | |
100 | int | |
05662205 | 101 | snd_seq_oss_synth_probe(struct device *_dev) |
1da177e4 | 102 | { |
05662205 | 103 | struct snd_seq_device *dev = to_seq_dev(_dev); |
1da177e4 | 104 | int i; |
080dece3 TI |
105 | struct seq_oss_synth *rec; |
106 | struct snd_seq_oss_reg *reg = SNDRV_SEQ_DEVICE_ARGPTR(dev); | |
1da177e4 LT |
107 | unsigned long flags; |
108 | ||
8d98a067 TI |
109 | rec = kzalloc(sizeof(*rec), GFP_KERNEL); |
110 | if (!rec) | |
1da177e4 | 111 | return -ENOMEM; |
1da177e4 LT |
112 | rec->seq_device = -1; |
113 | rec->synth_type = reg->type; | |
114 | rec->synth_subtype = reg->subtype; | |
115 | rec->nr_voices = reg->nvoices; | |
116 | rec->oper = reg->oper; | |
117 | rec->private_data = reg->private_data; | |
118 | rec->opened = 0; | |
119 | snd_use_lock_init(&rec->use_lock); | |
120 | ||
121 | /* copy and truncate the name of synth device */ | |
122 | strlcpy(rec->name, dev->name, sizeof(rec->name)); | |
123 | ||
124 | /* registration */ | |
125 | spin_lock_irqsave(®ister_lock, flags); | |
126 | for (i = 0; i < max_synth_devs; i++) { | |
127 | if (synth_devs[i] == NULL) | |
128 | break; | |
129 | } | |
130 | if (i >= max_synth_devs) { | |
131 | if (max_synth_devs >= SNDRV_SEQ_OSS_MAX_SYNTH_DEVS) { | |
132 | spin_unlock_irqrestore(®ister_lock, flags); | |
bb343e79 | 133 | pr_err("ALSA: seq_oss: no more synth slot\n"); |
1da177e4 LT |
134 | kfree(rec); |
135 | return -ENOMEM; | |
136 | } | |
137 | max_synth_devs++; | |
138 | } | |
139 | rec->seq_device = i; | |
140 | synth_devs[i] = rec; | |
1da177e4 LT |
141 | spin_unlock_irqrestore(®ister_lock, flags); |
142 | dev->driver_data = rec; | |
143 | #ifdef SNDRV_OSS_INFO_DEV_SYNTH | |
144 | if (i < SNDRV_CARDS) | |
145 | snd_oss_info_register(SNDRV_OSS_INFO_DEV_SYNTH, i, rec->name); | |
146 | #endif | |
147 | return 0; | |
148 | } | |
149 | ||
150 | ||
151 | int | |
05662205 | 152 | snd_seq_oss_synth_remove(struct device *_dev) |
1da177e4 | 153 | { |
05662205 | 154 | struct snd_seq_device *dev = to_seq_dev(_dev); |
1da177e4 | 155 | int index; |
080dece3 | 156 | struct seq_oss_synth *rec = dev->driver_data; |
1da177e4 LT |
157 | unsigned long flags; |
158 | ||
159 | spin_lock_irqsave(®ister_lock, flags); | |
160 | for (index = 0; index < max_synth_devs; index++) { | |
161 | if (synth_devs[index] == rec) | |
162 | break; | |
163 | } | |
164 | if (index >= max_synth_devs) { | |
165 | spin_unlock_irqrestore(®ister_lock, flags); | |
bb343e79 | 166 | pr_err("ALSA: seq_oss: can't unregister synth\n"); |
1da177e4 LT |
167 | return -EINVAL; |
168 | } | |
169 | synth_devs[index] = NULL; | |
170 | if (index == max_synth_devs - 1) { | |
171 | for (index--; index >= 0; index--) { | |
172 | if (synth_devs[index]) | |
173 | break; | |
174 | } | |
175 | max_synth_devs = index + 1; | |
176 | } | |
177 | spin_unlock_irqrestore(®ister_lock, flags); | |
178 | #ifdef SNDRV_OSS_INFO_DEV_SYNTH | |
179 | if (rec->seq_device < SNDRV_CARDS) | |
180 | snd_oss_info_unregister(SNDRV_OSS_INFO_DEV_SYNTH, rec->seq_device); | |
181 | #endif | |
182 | ||
183 | snd_use_lock_sync(&rec->use_lock); | |
184 | kfree(rec); | |
185 | ||
186 | return 0; | |
187 | } | |
188 | ||
189 | ||
190 | /* | |
191 | */ | |
080dece3 | 192 | static struct seq_oss_synth * |
1da177e4 LT |
193 | get_sdev(int dev) |
194 | { | |
080dece3 | 195 | struct seq_oss_synth *rec; |
1da177e4 LT |
196 | unsigned long flags; |
197 | ||
198 | spin_lock_irqsave(®ister_lock, flags); | |
199 | rec = synth_devs[dev]; | |
200 | if (rec) | |
201 | snd_use_lock_use(&rec->use_lock); | |
202 | spin_unlock_irqrestore(®ister_lock, flags); | |
203 | return rec; | |
204 | } | |
205 | ||
206 | ||
207 | /* | |
208 | * set up synth tables | |
209 | */ | |
210 | ||
211 | void | |
080dece3 | 212 | snd_seq_oss_synth_setup(struct seq_oss_devinfo *dp) |
1da177e4 LT |
213 | { |
214 | int i; | |
080dece3 TI |
215 | struct seq_oss_synth *rec; |
216 | struct seq_oss_synthinfo *info; | |
1da177e4 LT |
217 | |
218 | dp->max_synthdev = max_synth_devs; | |
219 | dp->synth_opened = 0; | |
220 | memset(dp->synths, 0, sizeof(dp->synths)); | |
221 | for (i = 0; i < dp->max_synthdev; i++) { | |
222 | rec = get_sdev(i); | |
223 | if (rec == NULL) | |
224 | continue; | |
225 | if (rec->oper.open == NULL || rec->oper.close == NULL) { | |
226 | snd_use_lock_free(&rec->use_lock); | |
227 | continue; | |
228 | } | |
229 | info = &dp->synths[i]; | |
230 | info->arg.app_index = dp->port; | |
231 | info->arg.file_mode = dp->file_mode; | |
232 | info->arg.seq_mode = dp->seq_mode; | |
233 | if (dp->seq_mode == SNDRV_SEQ_OSS_MODE_SYNTH) | |
234 | info->arg.event_passing = SNDRV_SEQ_OSS_PROCESS_EVENTS; | |
235 | else | |
236 | info->arg.event_passing = SNDRV_SEQ_OSS_PASS_EVENTS; | |
237 | info->opened = 0; | |
238 | if (!try_module_get(rec->oper.owner)) { | |
239 | snd_use_lock_free(&rec->use_lock); | |
240 | continue; | |
241 | } | |
242 | if (rec->oper.open(&info->arg, rec->private_data) < 0) { | |
243 | module_put(rec->oper.owner); | |
244 | snd_use_lock_free(&rec->use_lock); | |
245 | continue; | |
246 | } | |
247 | info->nr_voices = rec->nr_voices; | |
248 | if (info->nr_voices > 0) { | |
080dece3 | 249 | info->ch = kcalloc(info->nr_voices, sizeof(struct seq_oss_chinfo), GFP_KERNEL); |
c354cd7d | 250 | if (!info->ch) { |
c354cd7d TI |
251 | rec->oper.close(&info->arg); |
252 | module_put(rec->oper.owner); | |
253 | snd_use_lock_free(&rec->use_lock); | |
254 | continue; | |
255 | } | |
1da177e4 LT |
256 | reset_channels(info); |
257 | } | |
1da177e4 LT |
258 | info->opened++; |
259 | rec->opened++; | |
260 | dp->synth_opened++; | |
261 | snd_use_lock_free(&rec->use_lock); | |
262 | } | |
263 | } | |
264 | ||
265 | ||
266 | /* | |
267 | * set up synth tables for MIDI emulation - /dev/music mode only | |
268 | */ | |
269 | ||
270 | void | |
080dece3 | 271 | snd_seq_oss_synth_setup_midi(struct seq_oss_devinfo *dp) |
1da177e4 LT |
272 | { |
273 | int i; | |
274 | ||
275 | if (dp->max_synthdev >= SNDRV_SEQ_OSS_MAX_SYNTH_DEVS) | |
276 | return; | |
277 | ||
278 | for (i = 0; i < dp->max_mididev; i++) { | |
080dece3 | 279 | struct seq_oss_synthinfo *info; |
1da177e4 LT |
280 | info = &dp->synths[dp->max_synthdev]; |
281 | if (snd_seq_oss_midi_open(dp, i, dp->file_mode) < 0) | |
282 | continue; | |
283 | info->arg.app_index = dp->port; | |
284 | info->arg.file_mode = dp->file_mode; | |
285 | info->arg.seq_mode = dp->seq_mode; | |
286 | info->arg.private_data = info; | |
287 | info->is_midi = 1; | |
288 | info->midi_mapped = i; | |
289 | info->arg.event_passing = SNDRV_SEQ_OSS_PASS_EVENTS; | |
290 | snd_seq_oss_midi_get_addr(dp, i, &info->arg.addr); | |
291 | info->opened = 1; | |
292 | midi_synth_dev.opened++; | |
293 | dp->max_synthdev++; | |
294 | if (dp->max_synthdev >= SNDRV_SEQ_OSS_MAX_SYNTH_DEVS) | |
295 | break; | |
296 | } | |
297 | } | |
298 | ||
299 | ||
300 | /* | |
301 | * clean up synth tables | |
302 | */ | |
303 | ||
304 | void | |
080dece3 | 305 | snd_seq_oss_synth_cleanup(struct seq_oss_devinfo *dp) |
1da177e4 LT |
306 | { |
307 | int i; | |
080dece3 TI |
308 | struct seq_oss_synth *rec; |
309 | struct seq_oss_synthinfo *info; | |
1da177e4 | 310 | |
59915133 | 311 | if (snd_BUG_ON(dp->max_synthdev > SNDRV_SEQ_OSS_MAX_SYNTH_DEVS)) |
7eaa943c | 312 | return; |
1da177e4 LT |
313 | for (i = 0; i < dp->max_synthdev; i++) { |
314 | info = &dp->synths[i]; | |
315 | if (! info->opened) | |
316 | continue; | |
317 | if (info->is_midi) { | |
318 | if (midi_synth_dev.opened > 0) { | |
319 | snd_seq_oss_midi_close(dp, info->midi_mapped); | |
320 | midi_synth_dev.opened--; | |
321 | } | |
322 | } else { | |
323 | rec = get_sdev(i); | |
324 | if (rec == NULL) | |
325 | continue; | |
326 | if (rec->opened > 0) { | |
1da177e4 LT |
327 | rec->oper.close(&info->arg); |
328 | module_put(rec->oper.owner); | |
329 | rec->opened = 0; | |
330 | } | |
331 | snd_use_lock_free(&rec->use_lock); | |
332 | } | |
4d572776 JJ |
333 | kfree(info->sysex); |
334 | info->sysex = NULL; | |
335 | kfree(info->ch); | |
336 | info->ch = NULL; | |
1da177e4 LT |
337 | } |
338 | dp->synth_opened = 0; | |
339 | dp->max_synthdev = 0; | |
340 | } | |
341 | ||
342 | /* | |
343 | * check if the specified device is MIDI mapped device | |
344 | */ | |
345 | static int | |
080dece3 | 346 | is_midi_dev(struct seq_oss_devinfo *dp, int dev) |
1da177e4 LT |
347 | { |
348 | if (dev < 0 || dev >= dp->max_synthdev) | |
349 | return 0; | |
350 | if (dp->synths[dev].is_midi) | |
351 | return 1; | |
352 | return 0; | |
353 | } | |
354 | ||
355 | /* | |
356 | * return synth device information pointer | |
357 | */ | |
080dece3 TI |
358 | static struct seq_oss_synth * |
359 | get_synthdev(struct seq_oss_devinfo *dp, int dev) | |
1da177e4 | 360 | { |
080dece3 | 361 | struct seq_oss_synth *rec; |
1da177e4 LT |
362 | if (dev < 0 || dev >= dp->max_synthdev) |
363 | return NULL; | |
364 | if (! dp->synths[dev].opened) | |
365 | return NULL; | |
366 | if (dp->synths[dev].is_midi) | |
367 | return &midi_synth_dev; | |
368 | if ((rec = get_sdev(dev)) == NULL) | |
369 | return NULL; | |
370 | if (! rec->opened) { | |
371 | snd_use_lock_free(&rec->use_lock); | |
372 | return NULL; | |
373 | } | |
374 | return rec; | |
375 | } | |
376 | ||
377 | ||
378 | /* | |
379 | * reset note and velocity on each channel. | |
380 | */ | |
381 | static void | |
080dece3 | 382 | reset_channels(struct seq_oss_synthinfo *info) |
1da177e4 LT |
383 | { |
384 | int i; | |
385 | if (info->ch == NULL || ! info->nr_voices) | |
386 | return; | |
387 | for (i = 0; i < info->nr_voices; i++) { | |
388 | info->ch[i].note = -1; | |
389 | info->ch[i].vel = 0; | |
390 | } | |
391 | } | |
392 | ||
393 | ||
394 | /* | |
395 | * reset synth device: | |
396 | * call reset callback. if no callback is defined, send a heartbeat | |
397 | * event to the corresponding port. | |
398 | */ | |
399 | void | |
080dece3 | 400 | snd_seq_oss_synth_reset(struct seq_oss_devinfo *dp, int dev) |
1da177e4 | 401 | { |
080dece3 TI |
402 | struct seq_oss_synth *rec; |
403 | struct seq_oss_synthinfo *info; | |
1da177e4 | 404 | |
7eaa943c TI |
405 | if (snd_BUG_ON(dev < 0 || dev >= dp->max_synthdev)) |
406 | return; | |
1da177e4 LT |
407 | info = &dp->synths[dev]; |
408 | if (! info->opened) | |
409 | return; | |
410 | if (info->sysex) | |
411 | info->sysex->len = 0; /* reset sysex */ | |
412 | reset_channels(info); | |
413 | if (info->is_midi) { | |
414 | if (midi_synth_dev.opened <= 0) | |
415 | return; | |
416 | snd_seq_oss_midi_reset(dp, info->midi_mapped); | |
417 | /* reopen the device */ | |
418 | snd_seq_oss_midi_close(dp, dev); | |
419 | if (snd_seq_oss_midi_open(dp, info->midi_mapped, | |
420 | dp->file_mode) < 0) { | |
421 | midi_synth_dev.opened--; | |
422 | info->opened = 0; | |
4d572776 JJ |
423 | kfree(info->sysex); |
424 | info->sysex = NULL; | |
425 | kfree(info->ch); | |
426 | info->ch = NULL; | |
1da177e4 LT |
427 | } |
428 | return; | |
429 | } | |
430 | ||
431 | rec = get_sdev(dev); | |
432 | if (rec == NULL) | |
433 | return; | |
434 | if (rec->oper.reset) { | |
435 | rec->oper.reset(&info->arg); | |
436 | } else { | |
080dece3 | 437 | struct snd_seq_event ev; |
1da177e4 LT |
438 | memset(&ev, 0, sizeof(ev)); |
439 | snd_seq_oss_fill_addr(dp, &ev, info->arg.addr.client, | |
440 | info->arg.addr.port); | |
441 | ev.type = SNDRV_SEQ_EVENT_RESET; | |
442 | snd_seq_oss_dispatch(dp, &ev, 0, 0); | |
443 | } | |
444 | snd_use_lock_free(&rec->use_lock); | |
445 | } | |
446 | ||
447 | ||
448 | /* | |
449 | * load a patch record: | |
450 | * call load_patch callback function | |
451 | */ | |
452 | int | |
080dece3 | 453 | snd_seq_oss_synth_load_patch(struct seq_oss_devinfo *dp, int dev, int fmt, |
1da177e4 LT |
454 | const char __user *buf, int p, int c) |
455 | { | |
080dece3 | 456 | struct seq_oss_synth *rec; |
1da177e4 LT |
457 | int rc; |
458 | ||
459 | if (dev < 0 || dev >= dp->max_synthdev) | |
460 | return -ENXIO; | |
461 | ||
462 | if (is_midi_dev(dp, dev)) | |
463 | return 0; | |
464 | if ((rec = get_synthdev(dp, dev)) == NULL) | |
465 | return -ENXIO; | |
466 | ||
467 | if (rec->oper.load_patch == NULL) | |
468 | rc = -ENXIO; | |
469 | else | |
470 | rc = rec->oper.load_patch(&dp->synths[dev].arg, fmt, buf, p, c); | |
471 | snd_use_lock_free(&rec->use_lock); | |
472 | return rc; | |
473 | } | |
474 | ||
475 | /* | |
476 | * check if the device is valid synth device | |
477 | */ | |
478 | int | |
080dece3 | 479 | snd_seq_oss_synth_is_valid(struct seq_oss_devinfo *dp, int dev) |
1da177e4 | 480 | { |
080dece3 | 481 | struct seq_oss_synth *rec; |
1da177e4 LT |
482 | rec = get_synthdev(dp, dev); |
483 | if (rec) { | |
484 | snd_use_lock_free(&rec->use_lock); | |
485 | return 1; | |
486 | } | |
487 | return 0; | |
488 | } | |
489 | ||
490 | ||
491 | /* | |
492 | * receive OSS 6 byte sysex packet: | |
493 | * the full sysex message will be sent if it reaches to the end of data | |
494 | * (0xff). | |
495 | */ | |
496 | int | |
080dece3 | 497 | snd_seq_oss_synth_sysex(struct seq_oss_devinfo *dp, int dev, unsigned char *buf, struct snd_seq_event *ev) |
1da177e4 LT |
498 | { |
499 | int i, send; | |
500 | unsigned char *dest; | |
080dece3 | 501 | struct seq_oss_synth_sysex *sysex; |
1da177e4 LT |
502 | |
503 | if (! snd_seq_oss_synth_is_valid(dp, dev)) | |
504 | return -ENXIO; | |
505 | ||
506 | sysex = dp->synths[dev].sysex; | |
507 | if (sysex == NULL) { | |
ecca82b4 | 508 | sysex = kzalloc(sizeof(*sysex), GFP_KERNEL); |
1da177e4 LT |
509 | if (sysex == NULL) |
510 | return -ENOMEM; | |
511 | dp->synths[dev].sysex = sysex; | |
512 | } | |
513 | ||
514 | send = 0; | |
515 | dest = sysex->buf + sysex->len; | |
516 | /* copy 6 byte packet to the buffer */ | |
517 | for (i = 0; i < 6; i++) { | |
518 | if (buf[i] == 0xff) { | |
519 | send = 1; | |
520 | break; | |
521 | } | |
522 | dest[i] = buf[i]; | |
523 | sysex->len++; | |
524 | if (sysex->len >= MAX_SYSEX_BUFLEN) { | |
525 | sysex->len = 0; | |
526 | sysex->skip = 1; | |
527 | break; | |
528 | } | |
529 | } | |
530 | ||
531 | if (sysex->len && send) { | |
532 | if (sysex->skip) { | |
533 | sysex->skip = 0; | |
534 | sysex->len = 0; | |
535 | return -EINVAL; /* skip */ | |
536 | } | |
537 | /* copy the data to event record and send it */ | |
538 | ev->flags = SNDRV_SEQ_EVENT_LENGTH_VARIABLE; | |
539 | if (snd_seq_oss_synth_addr(dp, dev, ev)) | |
540 | return -EINVAL; | |
541 | ev->data.ext.len = sysex->len; | |
542 | ev->data.ext.ptr = sysex->buf; | |
543 | sysex->len = 0; | |
544 | return 0; | |
545 | } | |
546 | ||
547 | return -EINVAL; /* skip */ | |
548 | } | |
549 | ||
550 | /* | |
551 | * fill the event source/destination addresses | |
552 | */ | |
553 | int | |
080dece3 | 554 | snd_seq_oss_synth_addr(struct seq_oss_devinfo *dp, int dev, struct snd_seq_event *ev) |
1da177e4 LT |
555 | { |
556 | if (! snd_seq_oss_synth_is_valid(dp, dev)) | |
557 | return -EINVAL; | |
558 | snd_seq_oss_fill_addr(dp, ev, dp->synths[dev].arg.addr.client, | |
559 | dp->synths[dev].arg.addr.port); | |
560 | return 0; | |
561 | } | |
562 | ||
563 | ||
564 | /* | |
565 | * OSS compatible ioctl | |
566 | */ | |
567 | int | |
080dece3 | 568 | snd_seq_oss_synth_ioctl(struct seq_oss_devinfo *dp, int dev, unsigned int cmd, unsigned long addr) |
1da177e4 | 569 | { |
080dece3 | 570 | struct seq_oss_synth *rec; |
1da177e4 LT |
571 | int rc; |
572 | ||
573 | if (is_midi_dev(dp, dev)) | |
574 | return -ENXIO; | |
575 | if ((rec = get_synthdev(dp, dev)) == NULL) | |
576 | return -ENXIO; | |
577 | if (rec->oper.ioctl == NULL) | |
578 | rc = -ENXIO; | |
579 | else | |
580 | rc = rec->oper.ioctl(&dp->synths[dev].arg, cmd, addr); | |
581 | snd_use_lock_free(&rec->use_lock); | |
582 | return rc; | |
583 | } | |
584 | ||
585 | ||
586 | /* | |
587 | * send OSS raw events - SEQ_PRIVATE and SEQ_VOLUME | |
588 | */ | |
589 | int | |
080dece3 | 590 | snd_seq_oss_synth_raw_event(struct seq_oss_devinfo *dp, int dev, unsigned char *data, struct snd_seq_event *ev) |
1da177e4 LT |
591 | { |
592 | if (! snd_seq_oss_synth_is_valid(dp, dev) || is_midi_dev(dp, dev)) | |
593 | return -ENXIO; | |
594 | ev->type = SNDRV_SEQ_EVENT_OSS; | |
595 | memcpy(ev->data.raw8.d, data, 8); | |
596 | return snd_seq_oss_synth_addr(dp, dev, ev); | |
597 | } | |
598 | ||
599 | ||
600 | /* | |
601 | * create OSS compatible synth_info record | |
602 | */ | |
603 | int | |
080dece3 | 604 | snd_seq_oss_synth_make_info(struct seq_oss_devinfo *dp, int dev, struct synth_info *inf) |
1da177e4 | 605 | { |
080dece3 | 606 | struct seq_oss_synth *rec; |
1da177e4 | 607 | |
82e68f7f WT |
608 | if (dev < 0 || dev >= dp->max_synthdev) |
609 | return -ENXIO; | |
610 | ||
1da177e4 LT |
611 | if (dp->synths[dev].is_midi) { |
612 | struct midi_info minf; | |
613 | snd_seq_oss_midi_make_info(dp, dp->synths[dev].midi_mapped, &minf); | |
614 | inf->synth_type = SYNTH_TYPE_MIDI; | |
615 | inf->synth_subtype = 0; | |
616 | inf->nr_voices = 16; | |
617 | inf->device = dev; | |
618 | strlcpy(inf->name, minf.name, sizeof(inf->name)); | |
619 | } else { | |
620 | if ((rec = get_synthdev(dp, dev)) == NULL) | |
621 | return -ENXIO; | |
622 | inf->synth_type = rec->synth_type; | |
623 | inf->synth_subtype = rec->synth_subtype; | |
624 | inf->nr_voices = rec->nr_voices; | |
625 | inf->device = dev; | |
626 | strlcpy(inf->name, rec->name, sizeof(inf->name)); | |
627 | snd_use_lock_free(&rec->use_lock); | |
628 | } | |
629 | return 0; | |
630 | } | |
631 | ||
632 | ||
cd6a6503 | 633 | #ifdef CONFIG_SND_PROC_FS |
1da177e4 LT |
634 | /* |
635 | * proc interface | |
636 | */ | |
637 | void | |
080dece3 | 638 | snd_seq_oss_synth_info_read(struct snd_info_buffer *buf) |
1da177e4 LT |
639 | { |
640 | int i; | |
080dece3 | 641 | struct seq_oss_synth *rec; |
1da177e4 LT |
642 | |
643 | snd_iprintf(buf, "\nNumber of synth devices: %d\n", max_synth_devs); | |
644 | for (i = 0; i < max_synth_devs; i++) { | |
645 | snd_iprintf(buf, "\nsynth %d: ", i); | |
646 | rec = get_sdev(i); | |
647 | if (rec == NULL) { | |
648 | snd_iprintf(buf, "*empty*\n"); | |
649 | continue; | |
650 | } | |
651 | snd_iprintf(buf, "[%s]\n", rec->name); | |
652 | snd_iprintf(buf, " type 0x%x : subtype 0x%x : voices %d\n", | |
653 | rec->synth_type, rec->synth_subtype, | |
654 | rec->nr_voices); | |
655 | snd_iprintf(buf, " capabilities : ioctl %s / load_patch %s\n", | |
656 | enabled_str((long)rec->oper.ioctl), | |
657 | enabled_str((long)rec->oper.load_patch)); | |
658 | snd_use_lock_free(&rec->use_lock); | |
659 | } | |
660 | } | |
cd6a6503 | 661 | #endif /* CONFIG_SND_PROC_FS */ |