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Commit | Line | Data |
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09c434b8 | 1 | // SPDX-License-Identifier: GPL-2.0-only |
1da177e4 LT |
2 | /* |
3 | * linux/sound/oss/dmasound/dmasound_q40.c | |
4 | * | |
5 | * Q40 DMA Sound Driver | |
6 | * | |
7 | * See linux/sound/oss/dmasound/dmasound_core.c for copyright and credits | |
8 | * prior to 28/01/2001 | |
9 | * | |
10 | * 28/01/2001 [0.1] Iain Sandoe | |
11 | * - added versioning | |
12 | * - put in and populated the hardware_afmts field. | |
13 | * [0.2] - put in SNDCTL_DSP_GETCAPS value. | |
14 | * [0.3] - put in default hard/soft settings. | |
15 | */ | |
16 | ||
17 | ||
18 | #include <linux/module.h> | |
19 | #include <linux/init.h> | |
20 | #include <linux/slab.h> | |
21 | #include <linux/soundcard.h> | |
22 | #include <linux/interrupt.h> | |
23 | ||
7c0f6ba6 | 24 | #include <linux/uaccess.h> |
1da177e4 LT |
25 | #include <asm/q40ints.h> |
26 | #include <asm/q40_master.h> | |
27 | ||
28 | #include "dmasound.h" | |
29 | ||
30 | #define DMASOUND_Q40_REVISION 0 | |
31 | #define DMASOUND_Q40_EDITION 3 | |
32 | ||
33 | static int expand_bal; /* Balance factor for expanding (not volume!) */ | |
34 | static int expand_data; /* Data for expanding */ | |
35 | ||
36 | ||
37 | /*** Low level stuff *********************************************************/ | |
38 | ||
39 | ||
1ef64e67 | 40 | static void *Q40Alloc(unsigned int size, gfp_t flags); |
1da177e4 LT |
41 | static void Q40Free(void *, unsigned int); |
42 | static int Q40IrqInit(void); | |
43 | #ifdef MODULE | |
44 | static void Q40IrqCleanUp(void); | |
45 | #endif | |
46 | static void Q40Silence(void); | |
47 | static void Q40Init(void); | |
48 | static int Q40SetFormat(int format); | |
49 | static int Q40SetVolume(int volume); | |
50 | static void Q40PlayNextFrame(int index); | |
51 | static void Q40Play(void); | |
7d12e780 DH |
52 | static irqreturn_t Q40StereoInterrupt(int irq, void *dummy); |
53 | static irqreturn_t Q40MonoInterrupt(int irq, void *dummy); | |
1da177e4 LT |
54 | static void Q40Interrupt(void); |
55 | ||
56 | ||
57 | /*** Mid level stuff *********************************************************/ | |
58 | ||
59 | ||
60 | ||
61 | /* userCount, frameUsed, frameLeft == byte counts */ | |
031eb4cd | 62 | static ssize_t q40_ct_law(const u_char __user *userPtr, size_t userCount, |
1da177e4 LT |
63 | u_char frame[], ssize_t *frameUsed, |
64 | ssize_t frameLeft) | |
65 | { | |
66 | char *table = dmasound.soft.format == AFMT_MU_LAW ? dmasound_ulaw2dma8: dmasound_alaw2dma8; | |
67 | ssize_t count, used; | |
68 | u_char *p = (u_char *) &frame[*frameUsed]; | |
69 | ||
70 | used = count = min_t(size_t, userCount, frameLeft); | |
71 | if (copy_from_user(p,userPtr,count)) | |
72 | return -EFAULT; | |
73 | while (count > 0) { | |
74 | *p = table[*p]+128; | |
75 | p++; | |
76 | count--; | |
77 | } | |
78 | *frameUsed += used ; | |
79 | return used; | |
80 | } | |
81 | ||
82 | ||
031eb4cd | 83 | static ssize_t q40_ct_s8(const u_char __user *userPtr, size_t userCount, |
1da177e4 LT |
84 | u_char frame[], ssize_t *frameUsed, |
85 | ssize_t frameLeft) | |
86 | { | |
87 | ssize_t count, used; | |
88 | u_char *p = (u_char *) &frame[*frameUsed]; | |
89 | ||
90 | used = count = min_t(size_t, userCount, frameLeft); | |
91 | if (copy_from_user(p,userPtr,count)) | |
92 | return -EFAULT; | |
93 | while (count > 0) { | |
94 | *p = *p + 128; | |
95 | p++; | |
96 | count--; | |
97 | } | |
98 | *frameUsed += used; | |
99 | return used; | |
100 | } | |
101 | ||
031eb4cd | 102 | static ssize_t q40_ct_u8(const u_char __user *userPtr, size_t userCount, |
1da177e4 LT |
103 | u_char frame[], ssize_t *frameUsed, |
104 | ssize_t frameLeft) | |
105 | { | |
106 | ssize_t count, used; | |
107 | u_char *p = (u_char *) &frame[*frameUsed]; | |
108 | ||
109 | used = count = min_t(size_t, userCount, frameLeft); | |
110 | if (copy_from_user(p,userPtr,count)) | |
111 | return -EFAULT; | |
112 | *frameUsed += used; | |
113 | return used; | |
114 | } | |
115 | ||
116 | ||
117 | /* a bit too complicated to optimise right now ..*/ | |
031eb4cd | 118 | static ssize_t q40_ctx_law(const u_char __user *userPtr, size_t userCount, |
1da177e4 LT |
119 | u_char frame[], ssize_t *frameUsed, |
120 | ssize_t frameLeft) | |
121 | { | |
122 | unsigned char *table = (unsigned char *) | |
123 | (dmasound.soft.format == AFMT_MU_LAW ? dmasound_ulaw2dma8: dmasound_alaw2dma8); | |
124 | unsigned int data = expand_data; | |
125 | u_char *p = (u_char *) &frame[*frameUsed]; | |
126 | int bal = expand_bal; | |
127 | int hSpeed = dmasound.hard.speed, sSpeed = dmasound.soft.speed; | |
128 | int utotal, ftotal; | |
129 | ||
130 | ftotal = frameLeft; | |
131 | utotal = userCount; | |
132 | while (frameLeft) { | |
133 | u_char c; | |
134 | if (bal < 0) { | |
135 | if (userCount == 0) | |
136 | break; | |
137 | if (get_user(c, userPtr++)) | |
138 | return -EFAULT; | |
139 | data = table[c]; | |
140 | data += 0x80; | |
141 | userCount--; | |
142 | bal += hSpeed; | |
143 | } | |
144 | *p++ = data; | |
145 | frameLeft--; | |
146 | bal -= sSpeed; | |
147 | } | |
148 | expand_bal = bal; | |
149 | expand_data = data; | |
150 | *frameUsed += (ftotal - frameLeft); | |
151 | utotal -= userCount; | |
152 | return utotal; | |
153 | } | |
154 | ||
155 | ||
031eb4cd | 156 | static ssize_t q40_ctx_s8(const u_char __user *userPtr, size_t userCount, |
1da177e4 LT |
157 | u_char frame[], ssize_t *frameUsed, |
158 | ssize_t frameLeft) | |
159 | { | |
160 | u_char *p = (u_char *) &frame[*frameUsed]; | |
161 | unsigned int data = expand_data; | |
162 | int bal = expand_bal; | |
163 | int hSpeed = dmasound.hard.speed, sSpeed = dmasound.soft.speed; | |
164 | int utotal, ftotal; | |
165 | ||
166 | ||
167 | ftotal = frameLeft; | |
168 | utotal = userCount; | |
169 | while (frameLeft) { | |
170 | u_char c; | |
171 | if (bal < 0) { | |
172 | if (userCount == 0) | |
173 | break; | |
174 | if (get_user(c, userPtr++)) | |
175 | return -EFAULT; | |
176 | data = c ; | |
177 | data += 0x80; | |
178 | userCount--; | |
179 | bal += hSpeed; | |
180 | } | |
181 | *p++ = data; | |
182 | frameLeft--; | |
183 | bal -= sSpeed; | |
184 | } | |
185 | expand_bal = bal; | |
186 | expand_data = data; | |
187 | *frameUsed += (ftotal - frameLeft); | |
188 | utotal -= userCount; | |
189 | return utotal; | |
190 | } | |
191 | ||
192 | ||
031eb4cd | 193 | static ssize_t q40_ctx_u8(const u_char __user *userPtr, size_t userCount, |
1da177e4 LT |
194 | u_char frame[], ssize_t *frameUsed, |
195 | ssize_t frameLeft) | |
196 | { | |
197 | u_char *p = (u_char *) &frame[*frameUsed]; | |
198 | unsigned int data = expand_data; | |
199 | int bal = expand_bal; | |
200 | int hSpeed = dmasound.hard.speed, sSpeed = dmasound.soft.speed; | |
201 | int utotal, ftotal; | |
202 | ||
203 | ftotal = frameLeft; | |
204 | utotal = userCount; | |
205 | while (frameLeft) { | |
206 | u_char c; | |
207 | if (bal < 0) { | |
208 | if (userCount == 0) | |
209 | break; | |
210 | if (get_user(c, userPtr++)) | |
211 | return -EFAULT; | |
212 | data = c ; | |
213 | userCount--; | |
214 | bal += hSpeed; | |
215 | } | |
216 | *p++ = data; | |
217 | frameLeft--; | |
218 | bal -= sSpeed; | |
219 | } | |
220 | expand_bal = bal; | |
221 | expand_data = data; | |
222 | *frameUsed += (ftotal - frameLeft) ; | |
223 | utotal -= userCount; | |
224 | return utotal; | |
225 | } | |
226 | ||
227 | /* compressing versions */ | |
031eb4cd | 228 | static ssize_t q40_ctc_law(const u_char __user *userPtr, size_t userCount, |
1da177e4 LT |
229 | u_char frame[], ssize_t *frameUsed, |
230 | ssize_t frameLeft) | |
231 | { | |
232 | unsigned char *table = (unsigned char *) | |
233 | (dmasound.soft.format == AFMT_MU_LAW ? dmasound_ulaw2dma8: dmasound_alaw2dma8); | |
234 | unsigned int data = expand_data; | |
235 | u_char *p = (u_char *) &frame[*frameUsed]; | |
236 | int bal = expand_bal; | |
237 | int hSpeed = dmasound.hard.speed, sSpeed = dmasound.soft.speed; | |
238 | int utotal, ftotal; | |
239 | ||
240 | ftotal = frameLeft; | |
241 | utotal = userCount; | |
242 | while (frameLeft) { | |
243 | u_char c; | |
244 | while(bal<0) { | |
245 | if (userCount == 0) | |
246 | goto lout; | |
247 | if (!(bal<(-hSpeed))) { | |
248 | if (get_user(c, userPtr)) | |
249 | return -EFAULT; | |
250 | data = 0x80 + table[c]; | |
251 | } | |
252 | userPtr++; | |
253 | userCount--; | |
254 | bal += hSpeed; | |
255 | } | |
256 | *p++ = data; | |
257 | frameLeft--; | |
258 | bal -= sSpeed; | |
259 | } | |
260 | lout: | |
261 | expand_bal = bal; | |
262 | expand_data = data; | |
263 | *frameUsed += (ftotal - frameLeft); | |
264 | utotal -= userCount; | |
265 | return utotal; | |
266 | } | |
267 | ||
268 | ||
031eb4cd | 269 | static ssize_t q40_ctc_s8(const u_char __user *userPtr, size_t userCount, |
1da177e4 LT |
270 | u_char frame[], ssize_t *frameUsed, |
271 | ssize_t frameLeft) | |
272 | { | |
273 | u_char *p = (u_char *) &frame[*frameUsed]; | |
274 | unsigned int data = expand_data; | |
275 | int bal = expand_bal; | |
276 | int hSpeed = dmasound.hard.speed, sSpeed = dmasound.soft.speed; | |
277 | int utotal, ftotal; | |
278 | ||
279 | ftotal = frameLeft; | |
280 | utotal = userCount; | |
281 | while (frameLeft) { | |
282 | u_char c; | |
283 | while (bal < 0) { | |
284 | if (userCount == 0) | |
285 | goto lout; | |
286 | if (!(bal<(-hSpeed))) { | |
287 | if (get_user(c, userPtr)) | |
288 | return -EFAULT; | |
289 | data = c + 0x80; | |
290 | } | |
291 | userPtr++; | |
292 | userCount--; | |
293 | bal += hSpeed; | |
294 | } | |
295 | *p++ = data; | |
296 | frameLeft--; | |
297 | bal -= sSpeed; | |
298 | } | |
299 | lout: | |
300 | expand_bal = bal; | |
301 | expand_data = data; | |
302 | *frameUsed += (ftotal - frameLeft); | |
303 | utotal -= userCount; | |
304 | return utotal; | |
305 | } | |
306 | ||
307 | ||
031eb4cd | 308 | static ssize_t q40_ctc_u8(const u_char __user *userPtr, size_t userCount, |
1da177e4 LT |
309 | u_char frame[], ssize_t *frameUsed, |
310 | ssize_t frameLeft) | |
311 | { | |
312 | u_char *p = (u_char *) &frame[*frameUsed]; | |
313 | unsigned int data = expand_data; | |
314 | int bal = expand_bal; | |
315 | int hSpeed = dmasound.hard.speed, sSpeed = dmasound.soft.speed; | |
316 | int utotal, ftotal; | |
317 | ||
318 | ftotal = frameLeft; | |
319 | utotal = userCount; | |
320 | while (frameLeft) { | |
321 | u_char c; | |
322 | while (bal < 0) { | |
323 | if (userCount == 0) | |
324 | goto lout; | |
325 | if (!(bal<(-hSpeed))) { | |
326 | if (get_user(c, userPtr)) | |
327 | return -EFAULT; | |
328 | data = c ; | |
329 | } | |
330 | userPtr++; | |
331 | userCount--; | |
332 | bal += hSpeed; | |
333 | } | |
334 | *p++ = data; | |
335 | frameLeft--; | |
336 | bal -= sSpeed; | |
337 | } | |
338 | lout: | |
339 | expand_bal = bal; | |
340 | expand_data = data; | |
341 | *frameUsed += (ftotal - frameLeft) ; | |
342 | utotal -= userCount; | |
343 | return utotal; | |
344 | } | |
345 | ||
346 | ||
347 | static TRANS transQ40Normal = { | |
348 | q40_ct_law, q40_ct_law, q40_ct_s8, q40_ct_u8, NULL, NULL, NULL, NULL | |
349 | }; | |
350 | ||
351 | static TRANS transQ40Expanding = { | |
352 | q40_ctx_law, q40_ctx_law, q40_ctx_s8, q40_ctx_u8, NULL, NULL, NULL, NULL | |
353 | }; | |
354 | ||
355 | static TRANS transQ40Compressing = { | |
356 | q40_ctc_law, q40_ctc_law, q40_ctc_s8, q40_ctc_u8, NULL, NULL, NULL, NULL | |
357 | }; | |
358 | ||
359 | ||
360 | /*** Low level stuff *********************************************************/ | |
361 | ||
1ef64e67 | 362 | static void *Q40Alloc(unsigned int size, gfp_t flags) |
1da177e4 LT |
363 | { |
364 | return kmalloc(size, flags); /* change to vmalloc */ | |
365 | } | |
366 | ||
367 | static void Q40Free(void *ptr, unsigned int size) | |
368 | { | |
369 | kfree(ptr); | |
370 | } | |
371 | ||
372 | static int __init Q40IrqInit(void) | |
373 | { | |
374 | /* Register interrupt handler. */ | |
89bde7b8 GU |
375 | if (request_irq(Q40_IRQ_SAMPLE, Q40StereoInterrupt, 0, |
376 | "DMA sound", Q40Interrupt)) | |
377 | return 0; | |
1da177e4 LT |
378 | |
379 | return(1); | |
380 | } | |
381 | ||
382 | ||
383 | #ifdef MODULE | |
384 | static void Q40IrqCleanUp(void) | |
385 | { | |
386 | master_outb(0,SAMPLE_ENABLE_REG); | |
387 | free_irq(Q40_IRQ_SAMPLE, Q40Interrupt); | |
388 | } | |
389 | #endif /* MODULE */ | |
390 | ||
391 | ||
392 | static void Q40Silence(void) | |
393 | { | |
394 | master_outb(0,SAMPLE_ENABLE_REG); | |
395 | *DAC_LEFT=*DAC_RIGHT=127; | |
396 | } | |
397 | ||
398 | static char *q40_pp; | |
399 | static unsigned int q40_sc; | |
400 | ||
401 | static void Q40PlayNextFrame(int index) | |
402 | { | |
403 | u_char *start; | |
404 | u_long size; | |
405 | u_char speed; | |
89bde7b8 | 406 | int error; |
1da177e4 LT |
407 | |
408 | /* used by Q40Play() if all doubts whether there really is something | |
409 | * to be played are already wiped out. | |
410 | */ | |
411 | start = write_sq.buffers[write_sq.front]; | |
412 | size = (write_sq.count == index ? write_sq.rear_size : write_sq.block_size); | |
413 | ||
414 | q40_pp=start; | |
415 | q40_sc=size; | |
416 | ||
417 | write_sq.front = (write_sq.front+1) % write_sq.max_count; | |
418 | write_sq.active++; | |
419 | ||
420 | speed=(dmasound.hard.speed==10000 ? 0 : 1); | |
421 | ||
422 | master_outb( 0,SAMPLE_ENABLE_REG); | |
423 | free_irq(Q40_IRQ_SAMPLE, Q40Interrupt); | |
424 | if (dmasound.soft.stereo) | |
89bde7b8 GU |
425 | error = request_irq(Q40_IRQ_SAMPLE, Q40StereoInterrupt, 0, |
426 | "Q40 sound", Q40Interrupt); | |
1da177e4 | 427 | else |
89bde7b8 GU |
428 | error = request_irq(Q40_IRQ_SAMPLE, Q40MonoInterrupt, 0, |
429 | "Q40 sound", Q40Interrupt); | |
430 | if (error && printk_ratelimit()) | |
431 | pr_err("Couldn't register sound interrupt\n"); | |
1da177e4 LT |
432 | |
433 | master_outb( speed, SAMPLE_RATE_REG); | |
434 | master_outb( 1,SAMPLE_CLEAR_REG); | |
435 | master_outb( 1,SAMPLE_ENABLE_REG); | |
436 | } | |
437 | ||
438 | static void Q40Play(void) | |
439 | { | |
440 | unsigned long flags; | |
441 | ||
442 | if (write_sq.active || write_sq.count<=0 ) { | |
443 | /* There's already a frame loaded */ | |
444 | return; | |
445 | } | |
446 | ||
447 | /* nothing in the queue */ | |
448 | if (write_sq.count <= 1 && write_sq.rear_size < write_sq.block_size && !write_sq.syncing) { | |
449 | /* hmmm, the only existing frame is not | |
450 | * yet filled and we're not syncing? | |
451 | */ | |
452 | return; | |
453 | } | |
454 | spin_lock_irqsave(&dmasound.lock, flags); | |
455 | Q40PlayNextFrame(1); | |
456 | spin_unlock_irqrestore(&dmasound.lock, flags); | |
457 | } | |
458 | ||
7d12e780 | 459 | static irqreturn_t Q40StereoInterrupt(int irq, void *dummy) |
1da177e4 LT |
460 | { |
461 | spin_lock(&dmasound.lock); | |
462 | if (q40_sc>1){ | |
463 | *DAC_LEFT=*q40_pp++; | |
464 | *DAC_RIGHT=*q40_pp++; | |
465 | q40_sc -=2; | |
466 | master_outb(1,SAMPLE_CLEAR_REG); | |
467 | }else Q40Interrupt(); | |
468 | spin_unlock(&dmasound.lock); | |
469 | return IRQ_HANDLED; | |
470 | } | |
7d12e780 | 471 | static irqreturn_t Q40MonoInterrupt(int irq, void *dummy) |
1da177e4 LT |
472 | { |
473 | spin_lock(&dmasound.lock); | |
474 | if (q40_sc>0){ | |
475 | *DAC_LEFT=*q40_pp; | |
476 | *DAC_RIGHT=*q40_pp++; | |
477 | q40_sc --; | |
478 | master_outb(1,SAMPLE_CLEAR_REG); | |
479 | }else Q40Interrupt(); | |
480 | spin_unlock(&dmasound.lock); | |
481 | return IRQ_HANDLED; | |
482 | } | |
483 | static void Q40Interrupt(void) | |
484 | { | |
485 | if (!write_sq.active) { | |
486 | /* playing was interrupted and sq_reset() has already cleared | |
487 | * the sq variables, so better don't do anything here. | |
488 | */ | |
489 | WAKE_UP(write_sq.sync_queue); | |
490 | master_outb(0,SAMPLE_ENABLE_REG); /* better safe */ | |
491 | goto exit; | |
492 | } else write_sq.active=0; | |
493 | write_sq.count--; | |
494 | Q40Play(); | |
495 | ||
496 | if (q40_sc<2) | |
497 | { /* there was nothing to play, disable irq */ | |
498 | master_outb(0,SAMPLE_ENABLE_REG); | |
499 | *DAC_LEFT=*DAC_RIGHT=127; | |
500 | } | |
501 | WAKE_UP(write_sq.action_queue); | |
502 | ||
503 | exit: | |
504 | master_outb(1,SAMPLE_CLEAR_REG); | |
505 | } | |
506 | ||
507 | ||
508 | static void Q40Init(void) | |
509 | { | |
510 | int i, idx; | |
511 | const int freq[] = {10000, 20000}; | |
512 | ||
513 | /* search a frequency that fits into the allowed error range */ | |
514 | ||
515 | idx = -1; | |
516 | for (i = 0; i < 2; i++) | |
517 | if ((100 * abs(dmasound.soft.speed - freq[i]) / freq[i]) <= catchRadius) | |
518 | idx = i; | |
519 | ||
520 | dmasound.hard = dmasound.soft; | |
521 | /*sound.hard.stereo=1;*/ /* no longer true */ | |
522 | dmasound.hard.size=8; | |
523 | ||
524 | if (idx > -1) { | |
525 | dmasound.soft.speed = freq[idx]; | |
526 | dmasound.trans_write = &transQ40Normal; | |
527 | } else | |
528 | dmasound.trans_write = &transQ40Expanding; | |
529 | ||
530 | Q40Silence(); | |
531 | ||
532 | if (dmasound.hard.speed > 20200) { | |
533 | /* squeeze the sound, we do that */ | |
534 | dmasound.hard.speed = 20000; | |
535 | dmasound.trans_write = &transQ40Compressing; | |
536 | } else if (dmasound.hard.speed > 10000) { | |
537 | dmasound.hard.speed = 20000; | |
538 | } else { | |
539 | dmasound.hard.speed = 10000; | |
540 | } | |
541 | expand_bal = -dmasound.soft.speed; | |
542 | } | |
543 | ||
544 | ||
545 | static int Q40SetFormat(int format) | |
546 | { | |
547 | /* Q40 sound supports only 8bit modes */ | |
548 | ||
549 | switch (format) { | |
550 | case AFMT_QUERY: | |
551 | return(dmasound.soft.format); | |
552 | case AFMT_MU_LAW: | |
553 | case AFMT_A_LAW: | |
554 | case AFMT_S8: | |
555 | case AFMT_U8: | |
556 | break; | |
557 | default: | |
558 | format = AFMT_S8; | |
559 | } | |
560 | ||
561 | dmasound.soft.format = format; | |
562 | dmasound.soft.size = 8; | |
563 | if (dmasound.minDev == SND_DEV_DSP) { | |
564 | dmasound.dsp.format = format; | |
565 | dmasound.dsp.size = 8; | |
566 | } | |
567 | Q40Init(); | |
568 | ||
569 | return(format); | |
570 | } | |
571 | ||
572 | static int Q40SetVolume(int volume) | |
573 | { | |
574 | return 0; | |
575 | } | |
576 | ||
577 | ||
578 | /*** Machine definitions *****************************************************/ | |
579 | ||
580 | static SETTINGS def_hard = { | |
581 | .format = AFMT_U8, | |
582 | .stereo = 0, | |
583 | .size = 8, | |
584 | .speed = 10000 | |
585 | } ; | |
586 | ||
587 | static SETTINGS def_soft = { | |
588 | .format = AFMT_U8, | |
589 | .stereo = 0, | |
590 | .size = 8, | |
591 | .speed = 8000 | |
592 | } ; | |
593 | ||
594 | static MACHINE machQ40 = { | |
595 | .name = "Q40", | |
596 | .name2 = "Q40", | |
597 | .owner = THIS_MODULE, | |
598 | .dma_alloc = Q40Alloc, | |
599 | .dma_free = Q40Free, | |
600 | .irqinit = Q40IrqInit, | |
601 | #ifdef MODULE | |
602 | .irqcleanup = Q40IrqCleanUp, | |
603 | #endif /* MODULE */ | |
604 | .init = Q40Init, | |
605 | .silence = Q40Silence, | |
606 | .setFormat = Q40SetFormat, | |
607 | .setVolume = Q40SetVolume, | |
608 | .play = Q40Play, | |
609 | .min_dsp_speed = 10000, | |
610 | .version = ((DMASOUND_Q40_REVISION<<8) | DMASOUND_Q40_EDITION), | |
611 | .hardware_afmts = AFMT_U8, /* h'ware-supported formats *only* here */ | |
612 | .capabilities = DSP_CAP_BATCH /* As per SNDCTL_DSP_GETCAPS */ | |
613 | }; | |
614 | ||
615 | ||
616 | /*** Config & Setup **********************************************************/ | |
617 | ||
618 | ||
0a1b42db | 619 | static int __init dmasound_q40_init(void) |
1da177e4 LT |
620 | { |
621 | if (MACH_IS_Q40) { | |
622 | dmasound.mach = machQ40; | |
623 | dmasound.mach.default_hard = def_hard ; | |
624 | dmasound.mach.default_soft = def_soft ; | |
625 | return dmasound_init(); | |
626 | } else | |
627 | return -ENODEV; | |
628 | } | |
629 | ||
630 | static void __exit dmasound_q40_cleanup(void) | |
631 | { | |
632 | dmasound_deinit(); | |
633 | } | |
634 | ||
635 | module_init(dmasound_q40_init); | |
636 | module_exit(dmasound_q40_cleanup); | |
637 | ||
638 | MODULE_DESCRIPTION("Q40/Q60 sound driver"); | |
639 | MODULE_LICENSE("GPL"); |