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