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Commit | Line | Data |
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1a59d1b8 | 1 | // SPDX-License-Identifier: GPL-2.0-or-later |
1da177e4 LT |
2 | /* |
3 | * synth callback routines for Emu10k1 | |
4 | * | |
5 | * Copyright (C) 2000 Takashi Iwai <tiwai@suse.de> | |
1da177e4 LT |
6 | */ |
7 | ||
d81a6d71 | 8 | #include <linux/export.h> |
1da177e4 LT |
9 | #include "emu10k1_synth_local.h" |
10 | #include <sound/asoundef.h> | |
11 | ||
12 | /* voice status */ | |
13 | enum { | |
14 | V_FREE=0, V_OFF, V_RELEASED, V_PLAYING, V_END | |
15 | }; | |
16 | ||
17 | /* Keeps track of what we are finding */ | |
eb4698f3 | 18 | struct best_voice { |
1da177e4 LT |
19 | unsigned int time; |
20 | int voice; | |
eb4698f3 | 21 | }; |
1da177e4 LT |
22 | |
23 | /* | |
24 | * prototypes | |
25 | */ | |
c94fa4c9 | 26 | static void lookup_voices(struct snd_emux *emux, struct snd_emu10k1 *hw, |
eb4698f3 | 27 | struct best_voice *best, int active_only); |
c94fa4c9 | 28 | static struct snd_emux_voice *get_voice(struct snd_emux *emux, |
eb4698f3 TI |
29 | struct snd_emux_port *port); |
30 | static int start_voice(struct snd_emux_voice *vp); | |
31 | static void trigger_voice(struct snd_emux_voice *vp); | |
32 | static void release_voice(struct snd_emux_voice *vp); | |
33 | static void update_voice(struct snd_emux_voice *vp, int update); | |
34 | static void terminate_voice(struct snd_emux_voice *vp); | |
35 | static void free_voice(struct snd_emux_voice *vp); | |
eb4698f3 TI |
36 | static void set_fmmod(struct snd_emu10k1 *hw, struct snd_emux_voice *vp); |
37 | static void set_fm2frq2(struct snd_emu10k1 *hw, struct snd_emux_voice *vp); | |
38 | static void set_filterQ(struct snd_emu10k1 *hw, struct snd_emux_voice *vp); | |
1da177e4 LT |
39 | |
40 | /* | |
41 | * Ensure a value is between two points | |
42 | * macro evaluates its args more than once, so changed to upper-case. | |
43 | */ | |
44 | #define LIMITVALUE(x, a, b) do { if ((x) < (a)) (x) = (a); else if ((x) > (b)) (x) = (b); } while (0) | |
45 | #define LIMITMAX(x, a) do {if ((x) > (a)) (x) = (a); } while (0) | |
46 | ||
47 | ||
48 | /* | |
49 | * set up operators | |
50 | */ | |
3bb9eca9 | 51 | static const struct snd_emux_operators emu10k1_ops = { |
1da177e4 LT |
52 | .owner = THIS_MODULE, |
53 | .get_voice = get_voice, | |
54 | .prepare = start_voice, | |
55 | .trigger = trigger_voice, | |
56 | .release = release_voice, | |
57 | .update = update_voice, | |
58 | .terminate = terminate_voice, | |
59 | .free_voice = free_voice, | |
60 | .sample_new = snd_emu10k1_sample_new, | |
61 | .sample_free = snd_emu10k1_sample_free, | |
62 | }; | |
63 | ||
64 | void | |
c94fa4c9 | 65 | snd_emu10k1_ops_setup(struct snd_emux *emux) |
1da177e4 | 66 | { |
c94fa4c9 | 67 | emux->ops = emu10k1_ops; |
1da177e4 LT |
68 | } |
69 | ||
70 | ||
71 | /* | |
72 | * get more voice for pcm | |
73 | * | |
74 | * terminate most inactive voice and give it as a pcm voice. | |
95926035 TI |
75 | * |
76 | * voice_lock is already held. | |
1da177e4 LT |
77 | */ |
78 | int | |
eb4698f3 | 79 | snd_emu10k1_synth_get_voice(struct snd_emu10k1 *hw) |
1da177e4 | 80 | { |
eb4698f3 TI |
81 | struct snd_emux *emu; |
82 | struct snd_emux_voice *vp; | |
83 | struct best_voice best[V_END]; | |
1da177e4 LT |
84 | int i; |
85 | ||
86 | emu = hw->synth; | |
87 | ||
1da177e4 LT |
88 | lookup_voices(emu, hw, best, 1); /* no OFF voices */ |
89 | for (i = 0; i < V_END; i++) { | |
90 | if (best[i].voice >= 0) { | |
91 | int ch; | |
92 | vp = &emu->voices[best[i].voice]; | |
93 | if ((ch = vp->ch) < 0) { | |
28a97c19 | 94 | /* |
6f002b02 | 95 | dev_warn(emu->card->dev, |
28a97c19 TI |
96 | "synth_get_voice: ch < 0 (%d) ??", i); |
97 | */ | |
1da177e4 LT |
98 | continue; |
99 | } | |
100 | vp->emu->num_voices--; | |
101 | vp->ch = -1; | |
102 | vp->state = SNDRV_EMUX_ST_OFF; | |
1da177e4 LT |
103 | return ch; |
104 | } | |
105 | } | |
1da177e4 LT |
106 | |
107 | /* not found */ | |
108 | return -ENOMEM; | |
109 | } | |
110 | ||
111 | ||
112 | /* | |
113 | * turn off the voice (not terminated) | |
114 | */ | |
115 | static void | |
eb4698f3 | 116 | release_voice(struct snd_emux_voice *vp) |
1da177e4 LT |
117 | { |
118 | int dcysusv; | |
eb4698f3 | 119 | struct snd_emu10k1 *hw; |
1da177e4 LT |
120 | |
121 | hw = vp->hw; | |
122 | dcysusv = 0x8000 | (unsigned char)vp->reg.parm.modrelease; | |
123 | snd_emu10k1_ptr_write(hw, DCYSUSM, vp->ch, dcysusv); | |
124 | dcysusv = 0x8000 | (unsigned char)vp->reg.parm.volrelease | DCYSUSV_CHANNELENABLE_MASK; | |
125 | snd_emu10k1_ptr_write(hw, DCYSUSV, vp->ch, dcysusv); | |
126 | } | |
127 | ||
128 | ||
129 | /* | |
130 | * terminate the voice | |
131 | */ | |
132 | static void | |
eb4698f3 | 133 | terminate_voice(struct snd_emux_voice *vp) |
1da177e4 | 134 | { |
eb4698f3 | 135 | struct snd_emu10k1 *hw; |
1da177e4 | 136 | |
da3cec35 TI |
137 | if (snd_BUG_ON(!vp)) |
138 | return; | |
1da177e4 LT |
139 | hw = vp->hw; |
140 | snd_emu10k1_ptr_write(hw, DCYSUSV, vp->ch, 0x807f | DCYSUSV_CHANNELENABLE_MASK); | |
141 | if (vp->block) { | |
eb4698f3 TI |
142 | struct snd_emu10k1_memblk *emem; |
143 | emem = (struct snd_emu10k1_memblk *)vp->block; | |
1da177e4 LT |
144 | if (emem->map_locked > 0) |
145 | emem->map_locked--; | |
146 | } | |
147 | } | |
148 | ||
149 | /* | |
150 | * release the voice to system | |
151 | */ | |
152 | static void | |
eb4698f3 | 153 | free_voice(struct snd_emux_voice *vp) |
1da177e4 | 154 | { |
eb4698f3 | 155 | struct snd_emu10k1 *hw; |
1da177e4 LT |
156 | |
157 | hw = vp->hw; | |
c94fa4c9 JCD |
158 | /* FIXME: emu10k1_synth is broken. */ |
159 | /* This can get called with hw == 0 */ | |
160 | /* Problem apparent on plug, unplug then plug */ | |
161 | /* on the Audigy 2 ZS Notebook. */ | |
162 | if (hw && (vp->ch >= 0)) { | |
1da177e4 LT |
163 | snd_emu10k1_ptr_write(hw, IFATN, vp->ch, 0xff00); |
164 | snd_emu10k1_ptr_write(hw, DCYSUSV, vp->ch, 0x807f | DCYSUSV_CHANNELENABLE_MASK); | |
165 | // snd_emu10k1_ptr_write(hw, DCYSUSV, vp->ch, 0); | |
166 | snd_emu10k1_ptr_write(hw, VTFT, vp->ch, 0xffff); | |
167 | snd_emu10k1_ptr_write(hw, CVCF, vp->ch, 0xffff); | |
168 | snd_emu10k1_voice_free(hw, &hw->voices[vp->ch]); | |
169 | vp->emu->num_voices--; | |
170 | vp->ch = -1; | |
171 | } | |
172 | } | |
173 | ||
174 | ||
175 | /* | |
176 | * update registers | |
177 | */ | |
178 | static void | |
eb4698f3 | 179 | update_voice(struct snd_emux_voice *vp, int update) |
1da177e4 | 180 | { |
eb4698f3 | 181 | struct snd_emu10k1 *hw; |
1da177e4 LT |
182 | |
183 | hw = vp->hw; | |
184 | if (update & SNDRV_EMUX_UPDATE_VOLUME) | |
185 | snd_emu10k1_ptr_write(hw, IFATN_ATTENUATION, vp->ch, vp->avol); | |
186 | if (update & SNDRV_EMUX_UPDATE_PITCH) | |
187 | snd_emu10k1_ptr_write(hw, IP, vp->ch, vp->apitch); | |
188 | if (update & SNDRV_EMUX_UPDATE_PAN) { | |
189 | snd_emu10k1_ptr_write(hw, PTRX_FXSENDAMOUNT_A, vp->ch, vp->apan); | |
190 | snd_emu10k1_ptr_write(hw, PTRX_FXSENDAMOUNT_B, vp->ch, vp->aaux); | |
191 | } | |
192 | if (update & SNDRV_EMUX_UPDATE_FMMOD) | |
193 | set_fmmod(hw, vp); | |
194 | if (update & SNDRV_EMUX_UPDATE_TREMFREQ) | |
195 | snd_emu10k1_ptr_write(hw, TREMFRQ, vp->ch, vp->reg.parm.tremfrq); | |
196 | if (update & SNDRV_EMUX_UPDATE_FM2FRQ2) | |
197 | set_fm2frq2(hw, vp); | |
198 | if (update & SNDRV_EMUX_UPDATE_Q) | |
199 | set_filterQ(hw, vp); | |
200 | } | |
201 | ||
202 | ||
203 | /* | |
204 | * look up voice table - get the best voice in order of preference | |
205 | */ | |
206 | /* spinlock held! */ | |
207 | static void | |
eb4698f3 TI |
208 | lookup_voices(struct snd_emux *emu, struct snd_emu10k1 *hw, |
209 | struct best_voice *best, int active_only) | |
1da177e4 | 210 | { |
eb4698f3 TI |
211 | struct snd_emux_voice *vp; |
212 | struct best_voice *bp; | |
1da177e4 LT |
213 | int i; |
214 | ||
215 | for (i = 0; i < V_END; i++) { | |
395d9dd5 | 216 | best[i].time = (unsigned int)-1; /* XXX MAX_?INT really */ |
1da177e4 LT |
217 | best[i].voice = -1; |
218 | } | |
219 | ||
220 | /* | |
221 | * Go through them all and get a best one to use. | |
222 | * NOTE: could also look at volume and pick the quietest one. | |
223 | */ | |
224 | for (i = 0; i < emu->max_voices; i++) { | |
225 | int state, val; | |
226 | ||
227 | vp = &emu->voices[i]; | |
228 | state = vp->state; | |
229 | if (state == SNDRV_EMUX_ST_OFF) { | |
230 | if (vp->ch < 0) { | |
231 | if (active_only) | |
232 | continue; | |
233 | bp = best + V_FREE; | |
234 | } else | |
235 | bp = best + V_OFF; | |
236 | } | |
237 | else if (state == SNDRV_EMUX_ST_RELEASED || | |
238 | state == SNDRV_EMUX_ST_PENDING) { | |
239 | bp = best + V_RELEASED; | |
fc207733 | 240 | #if 1 |
1da177e4 LT |
241 | val = snd_emu10k1_ptr_read(hw, CVCF_CURRENTVOL, vp->ch); |
242 | if (! val) | |
243 | bp = best + V_OFF; | |
244 | #endif | |
245 | } | |
246 | else if (state == SNDRV_EMUX_ST_STANDBY) | |
247 | continue; | |
248 | else if (state & SNDRV_EMUX_ST_ON) | |
249 | bp = best + V_PLAYING; | |
250 | else | |
251 | continue; | |
252 | ||
253 | /* check if sample is finished playing (non-looping only) */ | |
254 | if (bp != best + V_OFF && bp != best + V_FREE && | |
255 | (vp->reg.sample_mode & SNDRV_SFNT_SAMPLE_SINGLESHOT)) { | |
256 | val = snd_emu10k1_ptr_read(hw, CCCA_CURRADDR, vp->ch); | |
257 | if (val >= vp->reg.loopstart) | |
258 | bp = best + V_OFF; | |
259 | } | |
260 | ||
261 | if (vp->time < bp->time) { | |
262 | bp->time = vp->time; | |
263 | bp->voice = i; | |
264 | } | |
265 | } | |
266 | } | |
267 | ||
268 | /* | |
269 | * get an empty voice | |
270 | * | |
271 | * emu->voice_lock is already held. | |
272 | */ | |
eb4698f3 TI |
273 | static struct snd_emux_voice * |
274 | get_voice(struct snd_emux *emu, struct snd_emux_port *port) | |
1da177e4 | 275 | { |
eb4698f3 TI |
276 | struct snd_emu10k1 *hw; |
277 | struct snd_emux_voice *vp; | |
278 | struct best_voice best[V_END]; | |
1da177e4 LT |
279 | int i; |
280 | ||
281 | hw = emu->hw; | |
282 | ||
283 | lookup_voices(emu, hw, best, 0); | |
284 | for (i = 0; i < V_END; i++) { | |
285 | if (best[i].voice >= 0) { | |
286 | vp = &emu->voices[best[i].voice]; | |
287 | if (vp->ch < 0) { | |
288 | /* allocate a voice */ | |
eb4698f3 | 289 | struct snd_emu10k1_voice *hwvoice; |
1da177e4 LT |
290 | if (snd_emu10k1_voice_alloc(hw, EMU10K1_SYNTH, 1, &hwvoice) < 0 || hwvoice == NULL) |
291 | continue; | |
292 | vp->ch = hwvoice->number; | |
293 | emu->num_voices++; | |
294 | } | |
295 | return vp; | |
296 | } | |
297 | } | |
298 | ||
299 | /* not found */ | |
300 | return NULL; | |
301 | } | |
302 | ||
303 | /* | |
304 | * prepare envelopes and LFOs | |
305 | */ | |
306 | static int | |
eb4698f3 | 307 | start_voice(struct snd_emux_voice *vp) |
1da177e4 LT |
308 | { |
309 | unsigned int temp; | |
310 | int ch; | |
311 | unsigned int addr, mapped_offset; | |
eb4698f3 TI |
312 | struct snd_midi_channel *chan; |
313 | struct snd_emu10k1 *hw; | |
314 | struct snd_emu10k1_memblk *emem; | |
1da177e4 LT |
315 | |
316 | hw = vp->hw; | |
317 | ch = vp->ch; | |
da3cec35 TI |
318 | if (snd_BUG_ON(ch < 0)) |
319 | return -EINVAL; | |
1da177e4 LT |
320 | chan = vp->chan; |
321 | ||
eb4698f3 | 322 | emem = (struct snd_emu10k1_memblk *)vp->block; |
1da177e4 LT |
323 | if (emem == NULL) |
324 | return -EINVAL; | |
325 | emem->map_locked++; | |
326 | if (snd_emu10k1_memblk_map(hw, emem) < 0) { | |
6f002b02 | 327 | /* dev_err(hw->card->devK, "emu: cannot map!\n"); */ |
1da177e4 LT |
328 | return -ENOMEM; |
329 | } | |
330 | mapped_offset = snd_emu10k1_memblk_offset(emem) >> 1; | |
331 | vp->reg.start += mapped_offset; | |
332 | vp->reg.end += mapped_offset; | |
333 | vp->reg.loopstart += mapped_offset; | |
334 | vp->reg.loopend += mapped_offset; | |
335 | ||
336 | /* set channel routing */ | |
337 | /* A = left(0), B = right(1), C = reverb(c), D = chorus(d) */ | |
338 | if (hw->audigy) { | |
339 | temp = FXBUS_MIDI_LEFT | (FXBUS_MIDI_RIGHT << 8) | | |
340 | (FXBUS_MIDI_REVERB << 16) | (FXBUS_MIDI_CHORUS << 24); | |
341 | snd_emu10k1_ptr_write(hw, A_FXRT1, ch, temp); | |
342 | } else { | |
343 | temp = (FXBUS_MIDI_LEFT << 16) | (FXBUS_MIDI_RIGHT << 20) | | |
344 | (FXBUS_MIDI_REVERB << 24) | (FXBUS_MIDI_CHORUS << 28); | |
345 | snd_emu10k1_ptr_write(hw, FXRT, ch, temp); | |
346 | } | |
347 | ||
348 | /* channel to be silent and idle */ | |
fc207733 | 349 | snd_emu10k1_ptr_write(hw, DCYSUSV, ch, 0x0000); |
1da177e4 LT |
350 | snd_emu10k1_ptr_write(hw, VTFT, ch, 0x0000FFFF); |
351 | snd_emu10k1_ptr_write(hw, CVCF, ch, 0x0000FFFF); | |
352 | snd_emu10k1_ptr_write(hw, PTRX, ch, 0); | |
353 | snd_emu10k1_ptr_write(hw, CPF, ch, 0); | |
354 | ||
355 | /* set pitch offset */ | |
356 | snd_emu10k1_ptr_write(hw, IP, vp->ch, vp->apitch); | |
357 | ||
358 | /* set envelope parameters */ | |
359 | snd_emu10k1_ptr_write(hw, ENVVAL, ch, vp->reg.parm.moddelay); | |
360 | snd_emu10k1_ptr_write(hw, ATKHLDM, ch, vp->reg.parm.modatkhld); | |
361 | snd_emu10k1_ptr_write(hw, DCYSUSM, ch, vp->reg.parm.moddcysus); | |
362 | snd_emu10k1_ptr_write(hw, ENVVOL, ch, vp->reg.parm.voldelay); | |
363 | snd_emu10k1_ptr_write(hw, ATKHLDV, ch, vp->reg.parm.volatkhld); | |
364 | /* decay/sustain parameter for volume envelope is used | |
365 | for triggerg the voice */ | |
366 | ||
367 | /* cutoff and volume */ | |
368 | temp = (unsigned int)vp->acutoff << 8 | (unsigned char)vp->avol; | |
369 | snd_emu10k1_ptr_write(hw, IFATN, vp->ch, temp); | |
370 | ||
371 | /* modulation envelope heights */ | |
372 | snd_emu10k1_ptr_write(hw, PEFE, ch, vp->reg.parm.pefe); | |
373 | ||
374 | /* lfo1/2 delay */ | |
375 | snd_emu10k1_ptr_write(hw, LFOVAL1, ch, vp->reg.parm.lfo1delay); | |
376 | snd_emu10k1_ptr_write(hw, LFOVAL2, ch, vp->reg.parm.lfo2delay); | |
377 | ||
378 | /* lfo1 pitch & cutoff shift */ | |
379 | set_fmmod(hw, vp); | |
380 | /* lfo1 volume & freq */ | |
381 | snd_emu10k1_ptr_write(hw, TREMFRQ, vp->ch, vp->reg.parm.tremfrq); | |
382 | /* lfo2 pitch & freq */ | |
383 | set_fm2frq2(hw, vp); | |
384 | ||
385 | /* reverb and loop start (reverb 8bit, MSB) */ | |
386 | temp = vp->reg.parm.reverb; | |
387 | temp += (int)vp->chan->control[MIDI_CTL_E1_REVERB_DEPTH] * 9 / 10; | |
388 | LIMITMAX(temp, 255); | |
389 | addr = vp->reg.loopstart; | |
390 | snd_emu10k1_ptr_write(hw, PSST, vp->ch, (temp << 24) | addr); | |
391 | ||
392 | /* chorus & loop end (chorus 8bit, MSB) */ | |
393 | addr = vp->reg.loopend; | |
394 | temp = vp->reg.parm.chorus; | |
395 | temp += (int)chan->control[MIDI_CTL_E3_CHORUS_DEPTH] * 9 / 10; | |
396 | LIMITMAX(temp, 255); | |
397 | temp = (temp <<24) | addr; | |
398 | snd_emu10k1_ptr_write(hw, DSL, ch, temp); | |
399 | ||
400 | /* clear filter delay memory */ | |
401 | snd_emu10k1_ptr_write(hw, Z1, ch, 0); | |
402 | snd_emu10k1_ptr_write(hw, Z2, ch, 0); | |
403 | ||
404 | /* invalidate maps */ | |
7241ea55 | 405 | temp = (hw->silent_page.addr << hw->address_mode) | (hw->address_mode ? MAP_PTI_MASK1 : MAP_PTI_MASK0); |
1da177e4 LT |
406 | snd_emu10k1_ptr_write(hw, MAPA, ch, temp); |
407 | snd_emu10k1_ptr_write(hw, MAPB, ch, temp); | |
408 | #if 0 | |
409 | /* cache */ | |
410 | { | |
411 | unsigned int val, sample; | |
412 | val = 32; | |
413 | if (vp->reg.sample_mode & SNDRV_SFNT_SAMPLE_8BITS) | |
414 | sample = 0x80808080; | |
415 | else { | |
416 | sample = 0; | |
417 | val *= 2; | |
418 | } | |
419 | ||
420 | /* cache */ | |
421 | snd_emu10k1_ptr_write(hw, CCR, ch, 0x1c << 16); | |
422 | snd_emu10k1_ptr_write(hw, CDE, ch, sample); | |
423 | snd_emu10k1_ptr_write(hw, CDF, ch, sample); | |
424 | ||
425 | /* invalidate maps */ | |
7241ea55 | 426 | temp = ((unsigned int)hw->silent_page.addr << hw_address_mode) | (hw->address_mode ? MAP_PTI_MASK1 : MAP_PTI_MASK0); |
1da177e4 LT |
427 | snd_emu10k1_ptr_write(hw, MAPA, ch, temp); |
428 | snd_emu10k1_ptr_write(hw, MAPB, ch, temp); | |
429 | ||
430 | /* fill cache */ | |
431 | val -= 4; | |
432 | val <<= 25; | |
433 | val |= 0x1c << 16; | |
434 | snd_emu10k1_ptr_write(hw, CCR, ch, val); | |
435 | } | |
436 | #endif | |
437 | ||
438 | /* Q & current address (Q 4bit value, MSB) */ | |
439 | addr = vp->reg.start; | |
440 | temp = vp->reg.parm.filterQ; | |
441 | temp = (temp<<28) | addr; | |
442 | if (vp->apitch < 0xe400) | |
443 | temp |= CCCA_INTERPROM_0; | |
444 | else { | |
445 | unsigned int shift = (vp->apitch - 0xe000) >> 10; | |
446 | temp |= shift << 25; | |
447 | } | |
448 | if (vp->reg.sample_mode & SNDRV_SFNT_SAMPLE_8BITS) | |
449 | temp |= CCCA_8BITSELECT; | |
450 | snd_emu10k1_ptr_write(hw, CCCA, ch, temp); | |
451 | ||
452 | /* reset volume */ | |
453 | temp = (unsigned int)vp->vtarget << 16; | |
454 | snd_emu10k1_ptr_write(hw, VTFT, ch, temp | vp->ftarget); | |
455 | snd_emu10k1_ptr_write(hw, CVCF, ch, temp | 0xff00); | |
456 | return 0; | |
457 | } | |
458 | ||
459 | /* | |
460 | * Start envelope | |
461 | */ | |
462 | static void | |
eb4698f3 | 463 | trigger_voice(struct snd_emux_voice *vp) |
1da177e4 LT |
464 | { |
465 | unsigned int temp, ptarget; | |
eb4698f3 TI |
466 | struct snd_emu10k1 *hw; |
467 | struct snd_emu10k1_memblk *emem; | |
1da177e4 LT |
468 | |
469 | hw = vp->hw; | |
470 | ||
eb4698f3 | 471 | emem = (struct snd_emu10k1_memblk *)vp->block; |
1da177e4 LT |
472 | if (! emem || emem->mapped_page < 0) |
473 | return; /* not mapped */ | |
474 | ||
475 | #if 0 | |
476 | ptarget = (unsigned int)vp->ptarget << 16; | |
477 | #else | |
478 | ptarget = IP_TO_CP(vp->apitch); | |
479 | #endif | |
480 | /* set pitch target and pan (volume) */ | |
481 | temp = ptarget | (vp->apan << 8) | vp->aaux; | |
482 | snd_emu10k1_ptr_write(hw, PTRX, vp->ch, temp); | |
483 | ||
484 | /* pitch target */ | |
485 | snd_emu10k1_ptr_write(hw, CPF, vp->ch, ptarget); | |
486 | ||
487 | /* trigger voice */ | |
488 | snd_emu10k1_ptr_write(hw, DCYSUSV, vp->ch, vp->reg.parm.voldcysus|DCYSUSV_CHANNELENABLE_MASK); | |
489 | } | |
490 | ||
491 | #define MOD_SENSE 18 | |
492 | ||
493 | /* set lfo1 modulation height and cutoff */ | |
494 | static void | |
eb4698f3 | 495 | set_fmmod(struct snd_emu10k1 *hw, struct snd_emux_voice *vp) |
1da177e4 LT |
496 | { |
497 | unsigned short fmmod; | |
498 | short pitch; | |
499 | unsigned char cutoff; | |
500 | int modulation; | |
501 | ||
502 | pitch = (char)(vp->reg.parm.fmmod>>8); | |
503 | cutoff = (vp->reg.parm.fmmod & 0xff); | |
504 | modulation = vp->chan->gm_modulation + vp->chan->midi_pressure; | |
505 | pitch += (MOD_SENSE * modulation) / 1200; | |
506 | LIMITVALUE(pitch, -128, 127); | |
507 | fmmod = ((unsigned char)pitch<<8) | cutoff; | |
508 | snd_emu10k1_ptr_write(hw, FMMOD, vp->ch, fmmod); | |
509 | } | |
510 | ||
511 | /* set lfo2 pitch & frequency */ | |
512 | static void | |
eb4698f3 | 513 | set_fm2frq2(struct snd_emu10k1 *hw, struct snd_emux_voice *vp) |
1da177e4 LT |
514 | { |
515 | unsigned short fm2frq2; | |
516 | short pitch; | |
517 | unsigned char freq; | |
518 | int modulation; | |
519 | ||
520 | pitch = (char)(vp->reg.parm.fm2frq2>>8); | |
521 | freq = vp->reg.parm.fm2frq2 & 0xff; | |
522 | modulation = vp->chan->gm_modulation + vp->chan->midi_pressure; | |
523 | pitch += (MOD_SENSE * modulation) / 1200; | |
524 | LIMITVALUE(pitch, -128, 127); | |
525 | fm2frq2 = ((unsigned char)pitch<<8) | freq; | |
526 | snd_emu10k1_ptr_write(hw, FM2FRQ2, vp->ch, fm2frq2); | |
527 | } | |
528 | ||
529 | /* set filterQ */ | |
530 | static void | |
eb4698f3 | 531 | set_filterQ(struct snd_emu10k1 *hw, struct snd_emux_voice *vp) |
1da177e4 LT |
532 | { |
533 | unsigned int val; | |
534 | val = snd_emu10k1_ptr_read(hw, CCCA, vp->ch) & ~CCCA_RESONANCE; | |
535 | val |= (vp->reg.parm.filterQ << 28); | |
536 | snd_emu10k1_ptr_write(hw, CCCA, vp->ch, val); | |
537 | } |