2 * IWFFFF - AMD InterWave (tm) - Instrument routines
3 * Copyright (c) 1999 by Jaroslav Kysela <perex@suse.cz>
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation; either version 2 of the License, or
8 * (at your option) any later version.
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
15 * You should have received a copy of the GNU General Public License
16 * along with this program; if not, write to the Free Software
17 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
21 #include <sound/driver.h>
22 #include <linux/init.h>
23 #include <linux/sched.h>
24 #include <linux/slab.h>
25 #include <sound/core.h>
26 #include <sound/ainstr_iw.h>
27 #include <sound/initval.h>
28 #include <asm/uaccess.h>
30 MODULE_AUTHOR("Jaroslav Kysela <perex@suse.cz>");
31 MODULE_DESCRIPTION("Advanced Linux Sound Architecture IWFFFF support.");
32 MODULE_LICENSE("GPL");
34 static unsigned int snd_seq_iwffff_size(unsigned int size, unsigned int format)
36 unsigned int result = size;
38 if (format & IWFFFF_WAVE_16BIT)
40 if (format & IWFFFF_WAVE_STEREO)
45 static void snd_seq_iwffff_copy_lfo_from_stream(iwffff_lfo_t *fp,
48 fp->freq = le16_to_cpu(fx->freq);
49 fp->depth = le16_to_cpu(fx->depth);
50 fp->sweep = le16_to_cpu(fx->sweep);
51 fp->shape = fx->shape;
52 fp->delay = fx->delay;
55 static int snd_seq_iwffff_copy_env_from_stream(__u32 req_stype,
64 iwffff_env_record_t *rp, *rp_last;
65 iwffff_xenv_record_t rx;
66 iwffff_env_point_t *pp;
67 iwffff_xenv_point_t px;
70 ep->flags = ex->flags;
72 ep->index = ex->index;
75 if (*len < (long)sizeof(__u32))
77 if (copy_from_user(&stype, *data, sizeof(stype)))
79 if (stype == IWFFFF_STRU_WAVE)
81 if (req_stype != stype) {
82 if (stype == IWFFFF_STRU_ENV_RECP ||
83 stype == IWFFFF_STRU_ENV_RECV)
86 if (*len < (long)sizeof(rx))
88 if (copy_from_user(&rx, *data, sizeof(rx)))
92 points_size = (le16_to_cpu(rx.nattack) + le16_to_cpu(rx.nrelease)) * 2 * sizeof(__u16);
93 if (points_size > *len)
95 rp = kcalloc(1, sizeof(*rp) + points_size, gfp_mask);
98 rp->nattack = le16_to_cpu(rx.nattack);
99 rp->nrelease = le16_to_cpu(rx.nrelease);
100 rp->sustain_offset = le16_to_cpu(rx.sustain_offset);
101 rp->sustain_rate = le16_to_cpu(rx.sustain_rate);
102 rp->release_rate = le16_to_cpu(rx.release_rate);
103 rp->hirange = rx.hirange;
104 pp = (iwffff_env_point_t *)(rp + 1);
105 for (idx = 0; idx < rp->nattack + rp->nrelease; idx++) {
106 if (copy_from_user(&px, *data, sizeof(px)))
110 pp->offset = le16_to_cpu(px.offset);
111 pp->rate = le16_to_cpu(px.rate);
113 if (ep->record == NULL) {
123 static int snd_seq_iwffff_copy_wave_from_stream(snd_iwffff_ops_t *ops,
129 iwffff_wave_t *wp, *prev;
132 unsigned int real_size;
134 gfp_mask = atomic ? GFP_ATOMIC : GFP_KERNEL;
135 if (*len < (long)sizeof(xp))
137 if (copy_from_user(&xp, *data, sizeof(xp)))
141 wp = kcalloc(1, sizeof(*wp), gfp_mask);
144 wp->share_id[0] = le32_to_cpu(xp.share_id[0]);
145 wp->share_id[1] = le32_to_cpu(xp.share_id[1]);
146 wp->share_id[2] = le32_to_cpu(xp.share_id[2]);
147 wp->share_id[3] = le32_to_cpu(xp.share_id[3]);
148 wp->format = le32_to_cpu(xp.format);
149 wp->address.memory = le32_to_cpu(xp.offset);
150 wp->size = le32_to_cpu(xp.size);
151 wp->start = le32_to_cpu(xp.start);
152 wp->loop_start = le32_to_cpu(xp.loop_start);
153 wp->loop_end = le32_to_cpu(xp.loop_end);
154 wp->loop_repeat = le16_to_cpu(xp.loop_repeat);
155 wp->sample_ratio = le32_to_cpu(xp.sample_ratio);
156 wp->attenuation = xp.attenuation;
157 wp->low_note = xp.low_note;
158 wp->high_note = xp.high_note;
159 real_size = snd_seq_iwffff_size(wp->size, wp->format);
160 if (!(wp->format & IWFFFF_WAVE_ROM)) {
161 if ((long)real_size > *len) {
166 if (ops->put_sample) {
167 err = ops->put_sample(ops->private_data, wp,
168 *data, real_size, atomic);
174 if (!(wp->format & IWFFFF_WAVE_ROM)) {
180 while (prev->next) prev = prev->next;
188 static void snd_seq_iwffff_env_free(snd_iwffff_ops_t *ops,
192 iwffff_env_record_t *rec;
194 while ((rec = env->record) != NULL) {
195 env->record = rec->next;
200 static void snd_seq_iwffff_wave_free(snd_iwffff_ops_t *ops,
204 if (ops->remove_sample)
205 ops->remove_sample(ops->private_data, wave, atomic);
209 static void snd_seq_iwffff_instr_free(snd_iwffff_ops_t *ops,
210 iwffff_instrument_t *ip,
213 iwffff_layer_t *layer;
216 while ((layer = ip->layer) != NULL) {
217 ip->layer = layer->next;
218 snd_seq_iwffff_env_free(ops, &layer->penv, atomic);
219 snd_seq_iwffff_env_free(ops, &layer->venv, atomic);
220 while ((wave = layer->wave) != NULL) {
221 layer->wave = wave->next;
222 snd_seq_iwffff_wave_free(ops, wave, atomic);
228 static int snd_seq_iwffff_put(void *private_data, snd_seq_kinstr_t *instr,
229 char __user *instr_data, long len, int atomic,
232 snd_iwffff_ops_t *ops = (snd_iwffff_ops_t *)private_data;
233 iwffff_instrument_t *ip;
234 iwffff_xinstrument_t ix;
235 iwffff_layer_t *lp, *prev_lp;
239 if (cmd != SNDRV_SEQ_INSTR_PUT_CMD_CREATE)
241 gfp_mask = atomic ? GFP_ATOMIC : GFP_KERNEL;
242 /* copy instrument data */
243 if (len < (long)sizeof(ix))
245 if (copy_from_user(&ix, instr_data, sizeof(ix)))
247 if (ix.stype != IWFFFF_STRU_INSTR)
249 instr_data += sizeof(ix);
251 ip = (iwffff_instrument_t *)KINSTR_DATA(instr);
252 ip->exclusion = le16_to_cpu(ix.exclusion);
253 ip->layer_type = le16_to_cpu(ix.layer_type);
254 ip->exclusion_group = le16_to_cpu(ix.exclusion_group);
255 ip->effect1 = ix.effect1;
256 ip->effect1_depth = ix.effect1_depth;
257 ip->effect2 = ix.effect2;
258 ip->effect2_depth = ix.effect2_depth;
262 if (len < (long)sizeof(iwffff_xlayer_t)) {
263 snd_seq_iwffff_instr_free(ops, ip, atomic);
266 if (copy_from_user(&lx, instr_data, sizeof(lx)))
268 instr_data += sizeof(lx);
270 if (lx.stype != IWFFFF_STRU_LAYER) {
271 snd_seq_iwffff_instr_free(ops, ip, atomic);
274 lp = kcalloc(1, sizeof(*lp), gfp_mask);
276 snd_seq_iwffff_instr_free(ops, ip, atomic);
285 lp->flags = lx.flags;
286 lp->velocity_mode = lx.velocity_mode;
287 lp->layer_event = lx.layer_event;
288 lp->low_range = lx.low_range;
289 lp->high_range = lx.high_range;
291 lp->pan_freq_scale = lx.pan_freq_scale;
292 lp->attenuation = lx.attenuation;
293 snd_seq_iwffff_copy_lfo_from_stream(&lp->tremolo, &lx.tremolo);
294 snd_seq_iwffff_copy_lfo_from_stream(&lp->vibrato, &lx.vibrato);
295 lp->freq_scale = le16_to_cpu(lx.freq_scale);
296 lp->freq_center = lx.freq_center;
297 err = snd_seq_iwffff_copy_env_from_stream(IWFFFF_STRU_ENV_RECP,
303 snd_seq_iwffff_instr_free(ops, ip, atomic);
306 err = snd_seq_iwffff_copy_env_from_stream(IWFFFF_STRU_ENV_RECV,
312 snd_seq_iwffff_instr_free(ops, ip, atomic);
315 while (len > (long)sizeof(__u32)) {
318 if (copy_from_user(&stype, instr_data, sizeof(stype)))
320 if (stype != IWFFFF_STRU_WAVE)
322 err = snd_seq_iwffff_copy_wave_from_stream(ops,
328 snd_seq_iwffff_instr_free(ops, ip, atomic);
336 static void snd_seq_iwffff_copy_lfo_to_stream(iwffff_xlfo_t *fx,
339 fx->freq = cpu_to_le16(fp->freq);
340 fx->depth = cpu_to_le16(fp->depth);
341 fx->sweep = cpu_to_le16(fp->sweep);
342 fp->shape = fx->shape;
343 fp->delay = fx->delay;
346 static int snd_seq_iwffff_copy_env_to_stream(__u32 req_stype,
353 iwffff_env_record_t *rp;
354 iwffff_xenv_record_t rx;
355 iwffff_env_point_t *pp;
356 iwffff_xenv_point_t px;
357 int points_size, idx;
359 ex->flags = ep->flags;
361 ex->index = ep->index;
362 for (rp = ep->record; rp; rp = rp->next) {
363 if (*len < (long)sizeof(rx))
365 memset(&rx, 0, sizeof(rx));
366 rx.stype = req_stype;
367 rx.nattack = cpu_to_le16(rp->nattack);
368 rx.nrelease = cpu_to_le16(rp->nrelease);
369 rx.sustain_offset = cpu_to_le16(rp->sustain_offset);
370 rx.sustain_rate = cpu_to_le16(rp->sustain_rate);
371 rx.release_rate = cpu_to_le16(rp->release_rate);
372 rx.hirange = cpu_to_le16(rp->hirange);
373 if (copy_to_user(*data, &rx, sizeof(rx)))
377 points_size = (rp->nattack + rp->nrelease) * 2 * sizeof(__u16);
378 if (*len < points_size)
380 pp = (iwffff_env_point_t *)(rp + 1);
381 for (idx = 0; idx < rp->nattack + rp->nrelease; idx++) {
382 px.offset = cpu_to_le16(pp->offset);
383 px.rate = cpu_to_le16(pp->rate);
384 if (copy_to_user(*data, &px, sizeof(px)))
393 static int snd_seq_iwffff_copy_wave_to_stream(snd_iwffff_ops_t *ops,
402 unsigned int real_size;
404 for (wp = lp->wave; wp; wp = wp->next) {
405 if (*len < (long)sizeof(xp))
407 memset(&xp, 0, sizeof(xp));
408 xp.stype = IWFFFF_STRU_WAVE;
409 xp.share_id[0] = cpu_to_le32(wp->share_id[0]);
410 xp.share_id[1] = cpu_to_le32(wp->share_id[1]);
411 xp.share_id[2] = cpu_to_le32(wp->share_id[2]);
412 xp.share_id[3] = cpu_to_le32(wp->share_id[3]);
413 xp.format = cpu_to_le32(wp->format);
414 if (wp->format & IWFFFF_WAVE_ROM)
415 xp.offset = cpu_to_le32(wp->address.memory);
416 xp.size = cpu_to_le32(wp->size);
417 xp.start = cpu_to_le32(wp->start);
418 xp.loop_start = cpu_to_le32(wp->loop_start);
419 xp.loop_end = cpu_to_le32(wp->loop_end);
420 xp.loop_repeat = cpu_to_le32(wp->loop_repeat);
421 xp.sample_ratio = cpu_to_le32(wp->sample_ratio);
422 xp.attenuation = wp->attenuation;
423 xp.low_note = wp->low_note;
424 xp.high_note = wp->high_note;
425 if (copy_to_user(*data, &xp, sizeof(xp)))
429 real_size = snd_seq_iwffff_size(wp->size, wp->format);
430 if (!(wp->format & IWFFFF_WAVE_ROM)) {
431 if (*len < (long)real_size)
434 if (ops->get_sample) {
435 err = ops->get_sample(ops->private_data, wp,
436 *data, real_size, atomic);
440 if (!(wp->format & IWFFFF_WAVE_ROM)) {
448 static int snd_seq_iwffff_get(void *private_data, snd_seq_kinstr_t *instr,
449 char __user *instr_data, long len, int atomic, int cmd)
451 snd_iwffff_ops_t *ops = (snd_iwffff_ops_t *)private_data;
452 iwffff_instrument_t *ip;
453 iwffff_xinstrument_t ix;
456 char __user *layer_instr_data;
459 if (cmd != SNDRV_SEQ_INSTR_GET_CMD_FULL)
461 if (len < (long)sizeof(ix))
463 memset(&ix, 0, sizeof(ix));
464 ip = (iwffff_instrument_t *)KINSTR_DATA(instr);
465 ix.stype = IWFFFF_STRU_INSTR;
466 ix.exclusion = cpu_to_le16(ip->exclusion);
467 ix.layer_type = cpu_to_le16(ip->layer_type);
468 ix.exclusion_group = cpu_to_le16(ip->exclusion_group);
469 ix.effect1 = cpu_to_le16(ip->effect1);
470 ix.effect1_depth = cpu_to_le16(ip->effect1_depth);
471 ix.effect2 = ip->effect2;
472 ix.effect2_depth = ip->effect2_depth;
473 if (copy_to_user(instr_data, &ix, sizeof(ix)))
475 instr_data += sizeof(ix);
477 for (lp = ip->layer; lp; lp = lp->next) {
478 if (len < (long)sizeof(lx))
480 memset(&lx, 0, sizeof(lx));
481 lx.stype = IWFFFF_STRU_LAYER;
482 lx.flags = lp->flags;
483 lx.velocity_mode = lp->velocity_mode;
484 lx.layer_event = lp->layer_event;
485 lx.low_range = lp->low_range;
486 lx.high_range = lp->high_range;
488 lx.pan_freq_scale = lp->pan_freq_scale;
489 lx.attenuation = lp->attenuation;
490 snd_seq_iwffff_copy_lfo_to_stream(&lx.tremolo, &lp->tremolo);
491 snd_seq_iwffff_copy_lfo_to_stream(&lx.vibrato, &lp->vibrato);
492 layer_instr_data = instr_data;
493 instr_data += sizeof(lx);
495 err = snd_seq_iwffff_copy_env_to_stream(IWFFFF_STRU_ENV_RECP,
501 err = snd_seq_iwffff_copy_env_to_stream(IWFFFF_STRU_ENV_RECV,
507 /* layer structure updating is now finished */
508 if (copy_to_user(layer_instr_data, &lx, sizeof(lx)))
510 err = snd_seq_iwffff_copy_wave_to_stream(ops,
521 static long snd_seq_iwffff_env_size_in_stream(iwffff_env_t *ep)
524 iwffff_env_record_t *rp;
526 for (rp = ep->record; rp; rp = rp->next) {
527 result += sizeof(iwffff_xenv_record_t);
528 result += (rp->nattack + rp->nrelease) * 2 * sizeof(__u16);
533 static long snd_seq_iwffff_wave_size_in_stream(iwffff_layer_t *lp)
538 for (wp = lp->wave; wp; wp = wp->next) {
539 result += sizeof(iwffff_xwave_t);
540 if (!(wp->format & IWFFFF_WAVE_ROM))
546 static int snd_seq_iwffff_get_size(void *private_data, snd_seq_kinstr_t *instr,
550 iwffff_instrument_t *ip;
554 ip = (iwffff_instrument_t *)KINSTR_DATA(instr);
555 result = sizeof(iwffff_xinstrument_t);
556 for (lp = ip->layer; lp; lp = lp->next) {
557 result += sizeof(iwffff_xlayer_t);
558 result += snd_seq_iwffff_env_size_in_stream(&lp->penv);
559 result += snd_seq_iwffff_env_size_in_stream(&lp->venv);
560 result += snd_seq_iwffff_wave_size_in_stream(lp);
566 static int snd_seq_iwffff_remove(void *private_data,
567 snd_seq_kinstr_t *instr,
570 snd_iwffff_ops_t *ops = (snd_iwffff_ops_t *)private_data;
571 iwffff_instrument_t *ip;
573 ip = (iwffff_instrument_t *)KINSTR_DATA(instr);
574 snd_seq_iwffff_instr_free(ops, ip, atomic);
578 static void snd_seq_iwffff_notify(void *private_data,
579 snd_seq_kinstr_t *instr,
582 snd_iwffff_ops_t *ops = (snd_iwffff_ops_t *)private_data;
585 ops->notify(ops->private_data, instr, what);
588 int snd_seq_iwffff_init(snd_iwffff_ops_t *ops,
590 snd_seq_kinstr_ops_t *next)
592 memset(ops, 0, sizeof(*ops));
593 ops->private_data = private_data;
594 ops->kops.private_data = ops;
595 ops->kops.add_len = sizeof(iwffff_instrument_t);
596 ops->kops.instr_type = SNDRV_SEQ_INSTR_ID_INTERWAVE;
597 ops->kops.put = snd_seq_iwffff_put;
598 ops->kops.get = snd_seq_iwffff_get;
599 ops->kops.get_size = snd_seq_iwffff_get_size;
600 ops->kops.remove = snd_seq_iwffff_remove;
601 ops->kops.notify = snd_seq_iwffff_notify;
602 ops->kops.next = next;
610 static int __init alsa_ainstr_iw_init(void)
615 static void __exit alsa_ainstr_iw_exit(void)
619 module_init(alsa_ainstr_iw_init)
620 module_exit(alsa_ainstr_iw_exit)
622 EXPORT_SYMBOL(snd_seq_iwffff_init);