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PM / yenta: Split resume into early and late parts (rev. 4)
[linux/fpc-iii.git] / sound / oss / msnd_pinnacle.c
blobbf27e008f465f29aed345549b583c3e7dcb75213
1 /*********************************************************************
2 *
3 * Turtle Beach MultiSound Sound Card Driver for Linux
4 * Linux 2.0/2.2 Version
5 *
6 * msnd_pinnacle.c / msnd_classic.c
7 *
8 * -- If MSND_CLASSIC is defined:
9 *
10 * -> driver for Turtle Beach Classic/Monterey/Tahiti
11 *
12 * -- Else
13 *
14 * -> driver for Turtle Beach Pinnacle/Fiji
15 *
16 * Copyright (C) 1998 Andrew Veliath
17 *
18 * This program is free software; you can redistribute it and/or modify
19 * it under the terms of the GNU General Public License as published by
20 * the Free Software Foundation; either version 2 of the License, or
21 * (at your option) any later version.
22 *
23 * This program is distributed in the hope that it will be useful,
24 * but WITHOUT ANY WARRANTY; without even the implied warranty of
25 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
26 * GNU General Public License for more details.
27 *
28 * You should have received a copy of the GNU General Public License
29 * along with this program; if not, write to the Free Software
30 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
31 *
32 * 12-3-2000 Modified IO port validation Steve Sycamore
33 *
34 ********************************************************************/
35
36 #include <linux/kernel.h>
37 #include <linux/module.h>
38 #include <linux/slab.h>
39 #include <linux/types.h>
40 #include <linux/delay.h>
41 #include <linux/init.h>
42 #include <linux/interrupt.h>
43 #include <linux/smp_lock.h>
44 #include <asm/irq.h>
45 #include <asm/io.h>
46 #include "sound_config.h"
47 #include "sound_firmware.h"
48 #ifdef MSND_CLASSIC
49 # ifndef __alpha__
50 # define SLOWIO
51 # endif
52 #endif
53 #include "msnd.h"
54 #ifdef MSND_CLASSIC
55 # ifdef CONFIG_MSNDCLAS_HAVE_BOOT
56 # define HAVE_DSPCODEH
57 # endif
58 # include "msnd_classic.h"
59 # define LOGNAME "msnd_classic"
60 #else
61 # ifdef CONFIG_MSNDPIN_HAVE_BOOT
62 # define HAVE_DSPCODEH
63 # endif
64 # include "msnd_pinnacle.h"
65 # define LOGNAME "msnd_pinnacle"
66 #endif
67
68 #ifndef CONFIG_MSND_WRITE_NDELAY
69 # define CONFIG_MSND_WRITE_NDELAY 1
70 #endif
71
72 #define get_play_delay_jiffies(size) ((size) * HZ * \
73 dev.play_sample_size / 8 / \
74 dev.play_sample_rate / \
75 dev.play_channels)
76
77 #define get_rec_delay_jiffies(size) ((size) * HZ * \
78 dev.rec_sample_size / 8 / \
79 dev.rec_sample_rate / \
80 dev.rec_channels)
81
82 static multisound_dev_t dev;
83
84 #ifndef HAVE_DSPCODEH
85 static char *dspini, *permini;
86 static int sizeof_dspini, sizeof_permini;
87 #endif
88
89 static int dsp_full_reset(void);
90 static void dsp_write_flush(void);
91
92 static __inline__ int chk_send_dsp_cmd(multisound_dev_t *dev, register BYTE cmd)
93 {
94 if (msnd_send_dsp_cmd(dev, cmd) == 0)
95 return 0;
96 dsp_full_reset();
97 return msnd_send_dsp_cmd(dev, cmd);
98 }
99
100 static void reset_play_queue(void)
101 {
102 int n;
103 LPDAQD lpDAQ;
104
105 dev.last_playbank = -1;
106 writew(PCTODSP_OFFSET(0 * DAQDS__size), dev.DAPQ + JQS_wHead);
107 writew(PCTODSP_OFFSET(0 * DAQDS__size), dev.DAPQ + JQS_wTail);
108
109 for (n = 0, lpDAQ = dev.base + DAPQ_DATA_BUFF; n < 3; ++n, lpDAQ += DAQDS__size) {
110 writew(PCTODSP_BASED((DWORD)(DAP_BUFF_SIZE * n)), lpDAQ + DAQDS_wStart);
111 writew(0, lpDAQ + DAQDS_wSize);
112 writew(1, lpDAQ + DAQDS_wFormat);
113 writew(dev.play_sample_size, lpDAQ + DAQDS_wSampleSize);
114 writew(dev.play_channels, lpDAQ + DAQDS_wChannels);
115 writew(dev.play_sample_rate, lpDAQ + DAQDS_wSampleRate);
116 writew(HIMT_PLAY_DONE * 0x100 + n, lpDAQ + DAQDS_wIntMsg);
117 writew(n, lpDAQ + DAQDS_wFlags);
118 }
119 }
120
121 static void reset_record_queue(void)
122 {
123 int n;
124 LPDAQD lpDAQ;
125 unsigned long flags;
126
127 dev.last_recbank = 2;
128 writew(PCTODSP_OFFSET(0 * DAQDS__size), dev.DARQ + JQS_wHead);
129 writew(PCTODSP_OFFSET(dev.last_recbank * DAQDS__size), dev.DARQ + JQS_wTail);
130
131 /* Critical section: bank 1 access */
132 spin_lock_irqsave(&dev.lock, flags);
133 msnd_outb(HPBLKSEL_1, dev.io + HP_BLKS);
134 memset_io(dev.base, 0, DAR_BUFF_SIZE * 3);
135 msnd_outb(HPBLKSEL_0, dev.io + HP_BLKS);
136 spin_unlock_irqrestore(&dev.lock, flags);
137
138 for (n = 0, lpDAQ = dev.base + DARQ_DATA_BUFF; n < 3; ++n, lpDAQ += DAQDS__size) {
139 writew(PCTODSP_BASED((DWORD)(DAR_BUFF_SIZE * n)) + 0x4000, lpDAQ + DAQDS_wStart);
140 writew(DAR_BUFF_SIZE, lpDAQ + DAQDS_wSize);
141 writew(1, lpDAQ + DAQDS_wFormat);
142 writew(dev.rec_sample_size, lpDAQ + DAQDS_wSampleSize);
143 writew(dev.rec_channels, lpDAQ + DAQDS_wChannels);
144 writew(dev.rec_sample_rate, lpDAQ + DAQDS_wSampleRate);
145 writew(HIMT_RECORD_DONE * 0x100 + n, lpDAQ + DAQDS_wIntMsg);
146 writew(n, lpDAQ + DAQDS_wFlags);
147 }
148 }
149
150 static void reset_queues(void)
151 {
152 if (dev.mode & FMODE_WRITE) {
153 msnd_fifo_make_empty(&dev.DAPF);
154 reset_play_queue();
155 }
156 if (dev.mode & FMODE_READ) {
157 msnd_fifo_make_empty(&dev.DARF);
158 reset_record_queue();
159 }
160 }
161
162 static int dsp_set_format(struct file *file, int val)
163 {
164 int data, i;
165 LPDAQD lpDAQ, lpDARQ;
166
167 lpDAQ = dev.base + DAPQ_DATA_BUFF;
168 lpDARQ = dev.base + DARQ_DATA_BUFF;
169
170 switch (val) {
171 case AFMT_U8:
172 case AFMT_S16_LE:
173 data = val;
174 break;
175 default:
176 data = DEFSAMPLESIZE;
177 break;
178 }
179
180 for (i = 0; i < 3; ++i, lpDAQ += DAQDS__size, lpDARQ += DAQDS__size) {
181 if (file->f_mode & FMODE_WRITE)
182 writew(data, lpDAQ + DAQDS_wSampleSize);
183 if (file->f_mode & FMODE_READ)
184 writew(data, lpDARQ + DAQDS_wSampleSize);
185 }
186 if (file->f_mode & FMODE_WRITE)
187 dev.play_sample_size = data;
188 if (file->f_mode & FMODE_READ)
189 dev.rec_sample_size = data;
190
191 return data;
192 }
193
194 static int dsp_get_frag_size(void)
195 {
196 int size;
197 size = dev.fifosize / 4;
198 if (size > 32 * 1024)
199 size = 32 * 1024;
200 return size;
201 }
202
203 static int dsp_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
204 {
205 int val, i, data, tmp;
206 LPDAQD lpDAQ, lpDARQ;
207 audio_buf_info abinfo;
208 unsigned long flags;
209 int __user *p = (int __user *)arg;
210
211 lpDAQ = dev.base + DAPQ_DATA_BUFF;
212 lpDARQ = dev.base + DARQ_DATA_BUFF;
213
214 switch (cmd) {
215 case SNDCTL_DSP_SUBDIVIDE:
216 case SNDCTL_DSP_SETFRAGMENT:
217 case SNDCTL_DSP_SETDUPLEX:
218 case SNDCTL_DSP_POST:
219 return 0;
220
221 case SNDCTL_DSP_GETIPTR:
222 case SNDCTL_DSP_GETOPTR:
223 case SNDCTL_DSP_MAPINBUF:
224 case SNDCTL_DSP_MAPOUTBUF:
225 return -EINVAL;
226
227 case SNDCTL_DSP_GETOSPACE:
228 if (!(file->f_mode & FMODE_WRITE))
229 return -EINVAL;
230 spin_lock_irqsave(&dev.lock, flags);
231 abinfo.fragsize = dsp_get_frag_size();
232 abinfo.bytes = dev.DAPF.n - dev.DAPF.len;
233 abinfo.fragstotal = dev.DAPF.n / abinfo.fragsize;
234 abinfo.fragments = abinfo.bytes / abinfo.fragsize;
235 spin_unlock_irqrestore(&dev.lock, flags);
236 return copy_to_user((void __user *)arg, &abinfo, sizeof(abinfo)) ? -EFAULT : 0;
237
238 case SNDCTL_DSP_GETISPACE:
239 if (!(file->f_mode & FMODE_READ))
240 return -EINVAL;
241 spin_lock_irqsave(&dev.lock, flags);
242 abinfo.fragsize = dsp_get_frag_size();
243 abinfo.bytes = dev.DARF.n - dev.DARF.len;
244 abinfo.fragstotal = dev.DARF.n / abinfo.fragsize;
245 abinfo.fragments = abinfo.bytes / abinfo.fragsize;
246 spin_unlock_irqrestore(&dev.lock, flags);
247 return copy_to_user((void __user *)arg, &abinfo, sizeof(abinfo)) ? -EFAULT : 0;
248
249 case SNDCTL_DSP_RESET:
250 dev.nresets = 0;
251 reset_queues();
252 return 0;
253
254 case SNDCTL_DSP_SYNC:
255 dsp_write_flush();
256 return 0;
257
258 case SNDCTL_DSP_GETBLKSIZE:
259 tmp = dsp_get_frag_size();
260 if (put_user(tmp, p))
261 return -EFAULT;
262 return 0;
263
264 case SNDCTL_DSP_GETFMTS:
265 val = AFMT_S16_LE | AFMT_U8;
266 if (put_user(val, p))
267 return -EFAULT;
268 return 0;
269
270 case SNDCTL_DSP_SETFMT:
271 if (get_user(val, p))
272 return -EFAULT;
273
274 if (file->f_mode & FMODE_WRITE)
275 data = val == AFMT_QUERY
276 ? dev.play_sample_size
277 : dsp_set_format(file, val);
278 else
279 data = val == AFMT_QUERY
280 ? dev.rec_sample_size
281 : dsp_set_format(file, val);
282
283 if (put_user(data, p))
284 return -EFAULT;
285 return 0;
286
287 case SNDCTL_DSP_NONBLOCK:
288 if (!test_bit(F_DISABLE_WRITE_NDELAY, &dev.flags) &&
289 file->f_mode & FMODE_WRITE)
290 dev.play_ndelay = 1;
291 if (file->f_mode & FMODE_READ)
292 dev.rec_ndelay = 1;
293 return 0;
294
295 case SNDCTL_DSP_GETCAPS:
296 val = DSP_CAP_DUPLEX | DSP_CAP_BATCH;
297 if (put_user(val, p))
298 return -EFAULT;
299 return 0;
300
301 case SNDCTL_DSP_SPEED:
302 if (get_user(val, p))
303 return -EFAULT;
304
305 if (val < 8000)
306 val = 8000;
307
308 if (val > 48000)
309 val = 48000;
310
311 data = val;
312
313 for (i = 0; i < 3; ++i, lpDAQ += DAQDS__size, lpDARQ += DAQDS__size) {
314 if (file->f_mode & FMODE_WRITE)
315 writew(data, lpDAQ + DAQDS_wSampleRate);
316 if (file->f_mode & FMODE_READ)
317 writew(data, lpDARQ + DAQDS_wSampleRate);
318 }
319 if (file->f_mode & FMODE_WRITE)
320 dev.play_sample_rate = data;
321 if (file->f_mode & FMODE_READ)
322 dev.rec_sample_rate = data;
323
324 if (put_user(data, p))
325 return -EFAULT;
326 return 0;
327
328 case SNDCTL_DSP_CHANNELS:
329 case SNDCTL_DSP_STEREO:
330 if (get_user(val, p))
331 return -EFAULT;
332
333 if (cmd == SNDCTL_DSP_CHANNELS) {
334 switch (val) {
335 case 1:
336 case 2:
337 data = val;
338 break;
339 default:
340 val = data = 2;
341 break;
342 }
343 } else {
344 switch (val) {
345 case 0:
346 data = 1;
347 break;
348 default:
349 val = 1;
350 case 1:
351 data = 2;
352 break;
353 }
354 }
355
356 for (i = 0; i < 3; ++i, lpDAQ += DAQDS__size, lpDARQ += DAQDS__size) {
357 if (file->f_mode & FMODE_WRITE)
358 writew(data, lpDAQ + DAQDS_wChannels);
359 if (file->f_mode & FMODE_READ)
360 writew(data, lpDARQ + DAQDS_wChannels);
361 }
362 if (file->f_mode & FMODE_WRITE)
363 dev.play_channels = data;
364 if (file->f_mode & FMODE_READ)
365 dev.rec_channels = data;
366
367 if (put_user(val, p))
368 return -EFAULT;
369 return 0;
370 }
371
372 return -EINVAL;
373 }
374
375 static int mixer_get(int d)
376 {
377 if (d > 31)
378 return -EINVAL;
379
380 switch (d) {
381 case SOUND_MIXER_VOLUME:
382 case SOUND_MIXER_PCM:
383 case SOUND_MIXER_LINE:
384 case SOUND_MIXER_IMIX:
385 case SOUND_MIXER_LINE1:
386 #ifndef MSND_CLASSIC
387 case SOUND_MIXER_MIC:
388 case SOUND_MIXER_SYNTH:
389 #endif
390 return (dev.left_levels[d] >> 8) * 100 / 0xff |
391 (((dev.right_levels[d] >> 8) * 100 / 0xff) << 8);
392 default:
393 return 0;
394 }
395 }
396
397 #define update_volm(a,b) \
398 writew((dev.left_levels[a] >> 1) * \
399 readw(dev.SMA + SMA_wCurrMastVolLeft) / 0xffff, \
400 dev.SMA + SMA_##b##Left); \
401 writew((dev.right_levels[a] >> 1) * \
402 readw(dev.SMA + SMA_wCurrMastVolRight) / 0xffff, \
403 dev.SMA + SMA_##b##Right);
404
405 #define update_potm(d,s,ar) \
406 writeb((dev.left_levels[d] >> 8) * \
407 readw(dev.SMA + SMA_wCurrMastVolLeft) / 0xffff, \
408 dev.SMA + SMA_##s##Left); \
409 writeb((dev.right_levels[d] >> 8) * \
410 readw(dev.SMA + SMA_wCurrMastVolRight) / 0xffff, \
411 dev.SMA + SMA_##s##Right); \
412 if (msnd_send_word(&dev, 0, 0, ar) == 0) \
413 chk_send_dsp_cmd(&dev, HDEX_AUX_REQ);
414
415 #define update_pot(d,s,ar) \
416 writeb(dev.left_levels[d] >> 8, \
417 dev.SMA + SMA_##s##Left); \
418 writeb(dev.right_levels[d] >> 8, \
419 dev.SMA + SMA_##s##Right); \
420 if (msnd_send_word(&dev, 0, 0, ar) == 0) \
421 chk_send_dsp_cmd(&dev, HDEX_AUX_REQ);
422
423 static int mixer_set(int d, int value)
424 {
425 int left = value & 0x000000ff;
426 int right = (value & 0x0000ff00) >> 8;
427 int bLeft, bRight;
428 int wLeft, wRight;
429 int updatemaster = 0;
430
431 if (d > 31)
432 return -EINVAL;
433
434 bLeft = left * 0xff / 100;
435 wLeft = left * 0xffff / 100;
436
437 bRight = right * 0xff / 100;
438 wRight = right * 0xffff / 100;
439
440 dev.left_levels[d] = wLeft;
441 dev.right_levels[d] = wRight;
442
443 switch (d) {
444 /* master volume unscaled controls */
445 case SOUND_MIXER_LINE: /* line pot control */
446 /* scaled by IMIX in digital mix */
447 writeb(bLeft, dev.SMA + SMA_bInPotPosLeft);
448 writeb(bRight, dev.SMA + SMA_bInPotPosRight);
449 if (msnd_send_word(&dev, 0, 0, HDEXAR_IN_SET_POTS) == 0)
450 chk_send_dsp_cmd(&dev, HDEX_AUX_REQ);
451 break;
452 #ifndef MSND_CLASSIC
453 case SOUND_MIXER_MIC: /* mic pot control */
454 /* scaled by IMIX in digital mix */
455 writeb(bLeft, dev.SMA + SMA_bMicPotPosLeft);
456 writeb(bRight, dev.SMA + SMA_bMicPotPosRight);
457 if (msnd_send_word(&dev, 0, 0, HDEXAR_MIC_SET_POTS) == 0)
458 chk_send_dsp_cmd(&dev, HDEX_AUX_REQ);
459 break;
460 #endif
461 case SOUND_MIXER_VOLUME: /* master volume */
462 writew(wLeft, dev.SMA + SMA_wCurrMastVolLeft);
463 writew(wRight, dev.SMA + SMA_wCurrMastVolRight);
464 /* fall through */
465
466 case SOUND_MIXER_LINE1: /* aux pot control */
467 /* scaled by master volume */
468 /* fall through */
469
470 /* digital controls */
471 case SOUND_MIXER_SYNTH: /* synth vol (dsp mix) */
472 case SOUND_MIXER_PCM: /* pcm vol (dsp mix) */
473 case SOUND_MIXER_IMIX: /* input monitor (dsp mix) */
474 /* scaled by master volume */
475 updatemaster = 1;
476 break;
477
478 default:
479 return 0;
480 }
481
482 if (updatemaster) {
483 /* update master volume scaled controls */
484 update_volm(SOUND_MIXER_PCM, wCurrPlayVol);
485 update_volm(SOUND_MIXER_IMIX, wCurrInVol);
486 #ifndef MSND_CLASSIC
487 update_volm(SOUND_MIXER_SYNTH, wCurrMHdrVol);
488 #endif
489 update_potm(SOUND_MIXER_LINE1, bAuxPotPos, HDEXAR_AUX_SET_POTS);
490 }
491
492 return mixer_get(d);
493 }
494
495 static void mixer_setup(void)
496 {
497 update_pot(SOUND_MIXER_LINE, bInPotPos, HDEXAR_IN_SET_POTS);
498 update_potm(SOUND_MIXER_LINE1, bAuxPotPos, HDEXAR_AUX_SET_POTS);
499 update_volm(SOUND_MIXER_PCM, wCurrPlayVol);
500 update_volm(SOUND_MIXER_IMIX, wCurrInVol);
501 #ifndef MSND_CLASSIC
502 update_pot(SOUND_MIXER_MIC, bMicPotPos, HDEXAR_MIC_SET_POTS);
503 update_volm(SOUND_MIXER_SYNTH, wCurrMHdrVol);
504 #endif
505 }
506
507 static unsigned long set_recsrc(unsigned long recsrc)
508 {
509 if (dev.recsrc == recsrc)
510 return dev.recsrc;
511 #ifdef HAVE_NORECSRC
512 else if (recsrc == 0)
513 dev.recsrc = 0;
514 #endif
515 else
516 dev.recsrc ^= recsrc;
517
518 #ifndef MSND_CLASSIC
519 if (dev.recsrc & SOUND_MASK_IMIX) {
520 if (msnd_send_word(&dev, 0, 0, HDEXAR_SET_ANA_IN) == 0)
521 chk_send_dsp_cmd(&dev, HDEX_AUX_REQ);
522 }
523 else if (dev.recsrc & SOUND_MASK_SYNTH) {
524 if (msnd_send_word(&dev, 0, 0, HDEXAR_SET_SYNTH_IN) == 0)
525 chk_send_dsp_cmd(&dev, HDEX_AUX_REQ);
526 }
527 else if ((dev.recsrc & SOUND_MASK_DIGITAL1) && test_bit(F_HAVEDIGITAL, &dev.flags)) {
528 if (msnd_send_word(&dev, 0, 0, HDEXAR_SET_DAT_IN) == 0)
529 chk_send_dsp_cmd(&dev, HDEX_AUX_REQ);
530 }
531 else {
532 #ifdef HAVE_NORECSRC
533 /* Select no input (?) */
534 dev.recsrc = 0;
535 #else
536 dev.recsrc = SOUND_MASK_IMIX;
537 if (msnd_send_word(&dev, 0, 0, HDEXAR_SET_ANA_IN) == 0)
538 chk_send_dsp_cmd(&dev, HDEX_AUX_REQ);
539 #endif
540 }
541 #endif /* MSND_CLASSIC */
542
543 return dev.recsrc;
544 }
545
546 static unsigned long force_recsrc(unsigned long recsrc)
547 {
548 dev.recsrc = 0;
549 return set_recsrc(recsrc);
550 }
551
552 #define set_mixer_info() \
553 memset(&info, 0, sizeof(info)); \
554 strlcpy(info.id, "MSNDMIXER", sizeof(info.id)); \
555 strlcpy(info.name, "MultiSound Mixer", sizeof(info.name));
556
557 static int mixer_ioctl(unsigned int cmd, unsigned long arg)
558 {
559 if (cmd == SOUND_MIXER_INFO) {
560 mixer_info info;
561 set_mixer_info();
562 info.modify_counter = dev.mixer_mod_count;
563 if (copy_to_user((void __user *)arg, &info, sizeof(info)))
564 return -EFAULT;
565 return 0;
566 } else if (cmd == SOUND_OLD_MIXER_INFO) {
567 _old_mixer_info info;
568 set_mixer_info();
569 if (copy_to_user((void __user *)arg, &info, sizeof(info)))
570 return -EFAULT;
571 return 0;
572 } else if (cmd == SOUND_MIXER_PRIVATE1) {
573 dev.nresets = 0;
574 dsp_full_reset();
575 return 0;
576 } else if (((cmd >> 8) & 0xff) == 'M') {
577 int val = 0;
578
579 if (_SIOC_DIR(cmd) & _SIOC_WRITE) {
580 switch (cmd & 0xff) {
581 case SOUND_MIXER_RECSRC:
582 if (get_user(val, (int __user *)arg))
583 return -EFAULT;
584 val = set_recsrc(val);
585 break;
586
587 default:
588 if (get_user(val, (int __user *)arg))
589 return -EFAULT;
590 val = mixer_set(cmd & 0xff, val);
591 break;
592 }
593 ++dev.mixer_mod_count;
594 return put_user(val, (int __user *)arg);
595 } else {
596 switch (cmd & 0xff) {
597 case SOUND_MIXER_RECSRC:
598 val = dev.recsrc;
599 break;
600
601 case SOUND_MIXER_DEVMASK:
602 case SOUND_MIXER_STEREODEVS:
603 val = SOUND_MASK_PCM |
604 SOUND_MASK_LINE |
605 SOUND_MASK_IMIX |
606 SOUND_MASK_LINE1 |
607 #ifndef MSND_CLASSIC
608 SOUND_MASK_MIC |
609 SOUND_MASK_SYNTH |
610 #endif
611 SOUND_MASK_VOLUME;
612 break;
613
614 case SOUND_MIXER_RECMASK:
615 #ifdef MSND_CLASSIC
616 val = 0;
617 #else
618 val = SOUND_MASK_IMIX |
619 SOUND_MASK_SYNTH;
620 if (test_bit(F_HAVEDIGITAL, &dev.flags))
621 val |= SOUND_MASK_DIGITAL1;
622 #endif
623 break;
624
625 case SOUND_MIXER_CAPS:
626 val = SOUND_CAP_EXCL_INPUT;
627 break;
628
629 default:
630 if ((val = mixer_get(cmd & 0xff)) < 0)
631 return -EINVAL;
632 break;
633 }
634 }
635
636 return put_user(val, (int __user *)arg);
637 }
638
639 return -EINVAL;
640 }
641
642 static int dev_ioctl(struct inode *inode, struct file *file, unsigned int cmd, unsigned long arg)
643 {
644 int minor = iminor(inode);
645
646 if (cmd == OSS_GETVERSION) {
647 int sound_version = SOUND_VERSION;
648 return put_user(sound_version, (int __user *)arg);
649 }
650
651 if (minor == dev.dsp_minor)
652 return dsp_ioctl(file, cmd, arg);
653 else if (minor == dev.mixer_minor)
654 return mixer_ioctl(cmd, arg);
655
656 return -EINVAL;
657 }
658
659 static void dsp_write_flush(void)
660 {
661 if (!(dev.mode & FMODE_WRITE) || !test_bit(F_WRITING, &dev.flags))
662 return;
663 set_bit(F_WRITEFLUSH, &dev.flags);
664 interruptible_sleep_on_timeout(
665 &dev.writeflush,
666 get_play_delay_jiffies(dev.DAPF.len));
667 clear_bit(F_WRITEFLUSH, &dev.flags);
668 if (!signal_pending(current)) {
669 current->state = TASK_INTERRUPTIBLE;
670 schedule_timeout(get_play_delay_jiffies(DAP_BUFF_SIZE));
671 }
672 clear_bit(F_WRITING, &dev.flags);
673 }
674
675 static void dsp_halt(struct file *file)
676 {
677 if ((file ? file->f_mode : dev.mode) & FMODE_READ) {
678 clear_bit(F_READING, &dev.flags);
679 chk_send_dsp_cmd(&dev, HDEX_RECORD_STOP);
680 msnd_disable_irq(&dev);
681 if (file) {
682 printk(KERN_DEBUG LOGNAME ": Stopping read for %p\n", file);
683 dev.mode &= ~FMODE_READ;
684 }
685 clear_bit(F_AUDIO_READ_INUSE, &dev.flags);
686 }
687 if ((file ? file->f_mode : dev.mode) & FMODE_WRITE) {
688 if (test_bit(F_WRITING, &dev.flags)) {
689 dsp_write_flush();
690 chk_send_dsp_cmd(&dev, HDEX_PLAY_STOP);
691 }
692 msnd_disable_irq(&dev);
693 if (file) {
694 printk(KERN_DEBUG LOGNAME ": Stopping write for %p\n", file);
695 dev.mode &= ~FMODE_WRITE;
696 }
697 clear_bit(F_AUDIO_WRITE_INUSE, &dev.flags);
698 }
699 }
700
701 static int dsp_release(struct file *file)
702 {
703 dsp_halt(file);
704 return 0;
705 }
706
707 static int dsp_open(struct file *file)
708 {
709 if ((file ? file->f_mode : dev.mode) & FMODE_WRITE) {
710 set_bit(F_AUDIO_WRITE_INUSE, &dev.flags);
711 clear_bit(F_WRITING, &dev.flags);
712 msnd_fifo_make_empty(&dev.DAPF);
713 reset_play_queue();
714 if (file) {
715 printk(KERN_DEBUG LOGNAME ": Starting write for %p\n", file);
716 dev.mode |= FMODE_WRITE;
717 }
718 msnd_enable_irq(&dev);
719 }
720 if ((file ? file->f_mode : dev.mode) & FMODE_READ) {
721 set_bit(F_AUDIO_READ_INUSE, &dev.flags);
722 clear_bit(F_READING, &dev.flags);
723 msnd_fifo_make_empty(&dev.DARF);
724 reset_record_queue();
725 if (file) {
726 printk(KERN_DEBUG LOGNAME ": Starting read for %p\n", file);
727 dev.mode |= FMODE_READ;
728 }
729 msnd_enable_irq(&dev);
730 }
731 return 0;
732 }
733
734 static void set_default_play_audio_parameters(void)
735 {
736 dev.play_sample_size = DEFSAMPLESIZE;
737 dev.play_sample_rate = DEFSAMPLERATE;
738 dev.play_channels = DEFCHANNELS;
739 }
740
741 static void set_default_rec_audio_parameters(void)
742 {
743 dev.rec_sample_size = DEFSAMPLESIZE;
744 dev.rec_sample_rate = DEFSAMPLERATE;
745 dev.rec_channels = DEFCHANNELS;
746 }
747
748 static void set_default_audio_parameters(void)
749 {
750 set_default_play_audio_parameters();
751 set_default_rec_audio_parameters();
752 }
753
754 static int dev_open(struct inode *inode, struct file *file)
755 {
756 int minor = iminor(inode);
757 int err = 0;
758
759 if (minor == dev.dsp_minor) {
760 if ((file->f_mode & FMODE_WRITE &&
761 test_bit(F_AUDIO_WRITE_INUSE, &dev.flags)) ||
762 (file->f_mode & FMODE_READ &&
763 test_bit(F_AUDIO_READ_INUSE, &dev.flags)))
764 return -EBUSY;
765
766 if ((err = dsp_open(file)) >= 0) {
767 dev.nresets = 0;
768 if (file->f_mode & FMODE_WRITE) {
769 set_default_play_audio_parameters();
770 if (!test_bit(F_DISABLE_WRITE_NDELAY, &dev.flags))
771 dev.play_ndelay = (file->f_flags & O_NDELAY) ? 1 : 0;
772 else
773 dev.play_ndelay = 0;
774 }
775 if (file->f_mode & FMODE_READ) {
776 set_default_rec_audio_parameters();
777 dev.rec_ndelay = (file->f_flags & O_NDELAY) ? 1 : 0;
778 }
779 }
780 }
781 else if (minor == dev.mixer_minor) {
782 /* nothing */
783 } else
784 err = -EINVAL;
785
786 return err;
787 }
788
789 static int dev_release(struct inode *inode, struct file *file)
790 {
791 int minor = iminor(inode);
792 int err = 0;
793
794 lock_kernel();
795 if (minor == dev.dsp_minor)
796 err = dsp_release(file);
797 else if (minor == dev.mixer_minor) {
798 /* nothing */
799 } else
800 err = -EINVAL;
801 unlock_kernel();
802 return err;
803 }
804
805 static __inline__ int pack_DARQ_to_DARF(register int bank)
806 {
807 register int size, timeout = 3;
808 register WORD wTmp;
809 LPDAQD DAQD;
810
811 /* Increment the tail and check for queue wrap */
812 wTmp = readw(dev.DARQ + JQS_wTail) + PCTODSP_OFFSET(DAQDS__size);
813 if (wTmp > readw(dev.DARQ + JQS_wSize))
814 wTmp = 0;
815 while (wTmp == readw(dev.DARQ + JQS_wHead) && timeout--)
816 udelay(1);
817 writew(wTmp, dev.DARQ + JQS_wTail);
818
819 /* Get our digital audio queue struct */
820 DAQD = bank * DAQDS__size + dev.base + DARQ_DATA_BUFF;
821
822 /* Get length of data */
823 size = readw(DAQD + DAQDS_wSize);
824
825 /* Read data from the head (unprotected bank 1 access okay
826 since this is only called inside an interrupt) */
827 msnd_outb(HPBLKSEL_1, dev.io + HP_BLKS);
828 msnd_fifo_write_io(
829 &dev.DARF,
830 dev.base + bank * DAR_BUFF_SIZE,
831 size);
832 msnd_outb(HPBLKSEL_0, dev.io + HP_BLKS);
833
834 return 1;
835 }
836
837 static __inline__ int pack_DAPF_to_DAPQ(register int start)
838 {
839 register WORD DAPQ_tail;
840 register int protect = start, nbanks = 0;
841 LPDAQD DAQD;
842
843 DAPQ_tail = readw(dev.DAPQ + JQS_wTail);
844 while (DAPQ_tail != readw(dev.DAPQ + JQS_wHead) || start) {
845 register int bank_num = DAPQ_tail / PCTODSP_OFFSET(DAQDS__size);
846 register int n;
847 unsigned long flags;
848
849 /* Write the data to the new tail */
850 if (protect) {
851 /* Critical section: protect fifo in non-interrupt */
852 spin_lock_irqsave(&dev.lock, flags);
853 n = msnd_fifo_read_io(
854 &dev.DAPF,
855 dev.base + bank_num * DAP_BUFF_SIZE,
856 DAP_BUFF_SIZE);
857 spin_unlock_irqrestore(&dev.lock, flags);
858 } else {
859 n = msnd_fifo_read_io(
860 &dev.DAPF,
861 dev.base + bank_num * DAP_BUFF_SIZE,
862 DAP_BUFF_SIZE);
863 }
864 if (!n)
865 break;
866
867 if (start)
868 start = 0;
869
870 /* Get our digital audio queue struct */
871 DAQD = bank_num * DAQDS__size + dev.base + DAPQ_DATA_BUFF;
872
873 /* Write size of this bank */
874 writew(n, DAQD + DAQDS_wSize);
875 ++nbanks;
876
877 /* Then advance the tail */
878 DAPQ_tail = (++bank_num % 3) * PCTODSP_OFFSET(DAQDS__size);
879 writew(DAPQ_tail, dev.DAPQ + JQS_wTail);
880 /* Tell the DSP to play the bank */
881 msnd_send_dsp_cmd(&dev, HDEX_PLAY_START);
882 }
883 return nbanks;
884 }
885
886 static int dsp_read(char __user *buf, size_t len)
887 {
888 int count = len;
889 char *page = (char *)__get_free_page(GFP_KERNEL);
890
891 if (!page)
892 return -ENOMEM;
893
894 while (count > 0) {
895 int n, k;
896 unsigned long flags;
897
898 k = PAGE_SIZE;
899 if (k > count)
900 k = count;
901
902 /* Critical section: protect fifo in non-interrupt */
903 spin_lock_irqsave(&dev.lock, flags);
904 n = msnd_fifo_read(&dev.DARF, page, k);
905 spin_unlock_irqrestore(&dev.lock, flags);
906 if (copy_to_user(buf, page, n)) {
907 free_page((unsigned long)page);
908 return -EFAULT;
909 }
910 buf += n;
911 count -= n;
912
913 if (n == k && count)
914 continue;
915
916 if (!test_bit(F_READING, &dev.flags) && dev.mode & FMODE_READ) {
917 dev.last_recbank = -1;
918 if (chk_send_dsp_cmd(&dev, HDEX_RECORD_START) == 0)
919 set_bit(F_READING, &dev.flags);
920 }
921
922 if (dev.rec_ndelay) {
923 free_page((unsigned long)page);
924 return count == len ? -EAGAIN : len - count;
925 }
926
927 if (count > 0) {
928 set_bit(F_READBLOCK, &dev.flags);
929 if (!interruptible_sleep_on_timeout(
930 &dev.readblock,
931 get_rec_delay_jiffies(DAR_BUFF_SIZE)))
932 clear_bit(F_READING, &dev.flags);
933 clear_bit(F_READBLOCK, &dev.flags);
934 if (signal_pending(current)) {
935 free_page((unsigned long)page);
936 return -EINTR;
937 }
938 }
939 }
940 free_page((unsigned long)page);
941 return len - count;
942 }
943
944 static int dsp_write(const char __user *buf, size_t len)
945 {
946 int count = len;
947 char *page = (char *)__get_free_page(GFP_KERNEL);
948
949 if (!page)
950 return -ENOMEM;
951
952 while (count > 0) {
953 int n, k;
954 unsigned long flags;
955
956 k = PAGE_SIZE;
957 if (k > count)
958 k = count;
959
960 if (copy_from_user(page, buf, k)) {
961 free_page((unsigned long)page);
962 return -EFAULT;
963 }
964
965 /* Critical section: protect fifo in non-interrupt */
966 spin_lock_irqsave(&dev.lock, flags);
967 n = msnd_fifo_write(&dev.DAPF, page, k);
968 spin_unlock_irqrestore(&dev.lock, flags);
969 buf += n;
970 count -= n;
971
972 if (count && n == k)
973 continue;
974
975 if (!test_bit(F_WRITING, &dev.flags) && (dev.mode & FMODE_WRITE)) {
976 dev.last_playbank = -1;
977 if (pack_DAPF_to_DAPQ(1) > 0)
978 set_bit(F_WRITING, &dev.flags);
979 }
980
981 if (dev.play_ndelay) {
982 free_page((unsigned long)page);
983 return count == len ? -EAGAIN : len - count;
984 }
985
986 if (count > 0) {
987 set_bit(F_WRITEBLOCK, &dev.flags);
988 interruptible_sleep_on_timeout(
989 &dev.writeblock,
990 get_play_delay_jiffies(DAP_BUFF_SIZE));
991 clear_bit(F_WRITEBLOCK, &dev.flags);
992 if (signal_pending(current)) {
993 free_page((unsigned long)page);
994 return -EINTR;
995 }
996 }
997 }
998
999 free_page((unsigned long)page);
1000 return len - count;
1001 }
1002
1003 static ssize_t dev_read(struct file *file, char __user *buf, size_t count, loff_t *off)
1004 {
1005 int minor = iminor(file->f_path.dentry->d_inode);
1006 if (minor == dev.dsp_minor)
1007 return dsp_read(buf, count);
1008 else
1009 return -EINVAL;
1010 }
1011
1012 static ssize_t dev_write(struct file *file, const char __user *buf, size_t count, loff_t *off)
1013 {
1014 int minor = iminor(file->f_path.dentry->d_inode);
1015 if (minor == dev.dsp_minor)
1016 return dsp_write(buf, count);
1017 else
1018 return -EINVAL;
1019 }
1020
1021 static __inline__ void eval_dsp_msg(register WORD wMessage)
1022 {
1023 switch (HIBYTE(wMessage)) {
1024 case HIMT_PLAY_DONE:
1025 if (dev.last_playbank == LOBYTE(wMessage) || !test_bit(F_WRITING, &dev.flags))
1026 break;
1027 dev.last_playbank = LOBYTE(wMessage);
1028
1029 if (pack_DAPF_to_DAPQ(0) <= 0) {
1030 if (!test_bit(F_WRITEBLOCK, &dev.flags)) {
1031 if (test_and_clear_bit(F_WRITEFLUSH, &dev.flags))
1032 wake_up_interruptible(&dev.writeflush);
1033 }
1034 clear_bit(F_WRITING, &dev.flags);
1035 }
1036
1037 if (test_bit(F_WRITEBLOCK, &dev.flags))
1038 wake_up_interruptible(&dev.writeblock);
1039 break;
1040
1041 case HIMT_RECORD_DONE:
1042 if (dev.last_recbank == LOBYTE(wMessage))
1043 break;
1044 dev.last_recbank = LOBYTE(wMessage);
1045
1046 pack_DARQ_to_DARF(dev.last_recbank);
1047
1048 if (test_bit(F_READBLOCK, &dev.flags))
1049 wake_up_interruptible(&dev.readblock);
1050 break;
1051
1052 case HIMT_DSP:
1053 switch (LOBYTE(wMessage)) {
1054 #ifndef MSND_CLASSIC
1055 case HIDSP_PLAY_UNDER:
1056 #endif
1057 case HIDSP_INT_PLAY_UNDER:
1058 /* printk(KERN_DEBUG LOGNAME ": Play underflow\n"); */
1059 clear_bit(F_WRITING, &dev.flags);
1060 break;
1061
1062 case HIDSP_INT_RECORD_OVER:
1063 /* printk(KERN_DEBUG LOGNAME ": Record overflow\n"); */
1064 clear_bit(F_READING, &dev.flags);
1065 break;
1066
1067 default:
1068 /* printk(KERN_DEBUG LOGNAME ": DSP message %d 0x%02x\n",
1069 LOBYTE(wMessage), LOBYTE(wMessage)); */
1070 break;
1071 }
1072 break;
1073
1074 case HIMT_MIDI_IN_UCHAR:
1075 if (dev.midi_in_interrupt)
1076 (*dev.midi_in_interrupt)(&dev);
1077 break;
1078
1079 default:
1080 /* printk(KERN_DEBUG LOGNAME ": HIMT message %d 0x%02x\n", HIBYTE(wMessage), HIBYTE(wMessage)); */
1081 break;
1082 }
1083 }
1084
1085 static irqreturn_t intr(int irq, void *dev_id)
1086 {
1087 /* Send ack to DSP */
1088 msnd_inb(dev.io + HP_RXL);
1089
1090 /* Evaluate queued DSP messages */
1091 while (readw(dev.DSPQ + JQS_wTail) != readw(dev.DSPQ + JQS_wHead)) {
1092 register WORD wTmp;
1093
1094 eval_dsp_msg(readw(dev.pwDSPQData + 2*readw(dev.DSPQ + JQS_wHead)));
1095
1096 if ((wTmp = readw(dev.DSPQ + JQS_wHead) + 1) > readw(dev.DSPQ + JQS_wSize))
1097 writew(0, dev.DSPQ + JQS_wHead);
1098 else
1099 writew(wTmp, dev.DSPQ + JQS_wHead);
1100 }
1101 return IRQ_HANDLED;
1102 }
1103
1104 static const struct file_operations dev_fileops = {
1105 .owner = THIS_MODULE,
1106 .read = dev_read,
1107 .write = dev_write,
1108 .ioctl = dev_ioctl,
1109 .open = dev_open,
1110 .release = dev_release,
1111 };
1112
1113 static int reset_dsp(void)
1114 {
1115 int timeout = 100;
1116
1117 msnd_outb(HPDSPRESET_ON, dev.io + HP_DSPR);
1118 mdelay(1);
1119 #ifndef MSND_CLASSIC
1120 dev.info = msnd_inb(dev.io + HP_INFO);
1121 #endif
1122 msnd_outb(HPDSPRESET_OFF, dev.io + HP_DSPR);
1123 mdelay(1);
1124 while (timeout-- > 0) {
1125 if (msnd_inb(dev.io + HP_CVR) == HP_CVR_DEF)
1126 return 0;
1127 mdelay(1);
1128 }
1129 printk(KERN_ERR LOGNAME ": Cannot reset DSP\n");
1130
1131 return -EIO;
1132 }
1133
1134 static int __init probe_multisound(void)
1135 {
1136 #ifndef MSND_CLASSIC
1137 char *xv, *rev = NULL;
1138 char *pin = "Pinnacle", *fiji = "Fiji";
1139 char *pinfiji = "Pinnacle/Fiji";
1140 #endif
1141
1142 if (!request_region(dev.io, dev.numio, "probing")) {
1143 printk(KERN_ERR LOGNAME ": I/O port conflict\n");
1144 return -ENODEV;
1145 }
1146
1147 if (reset_dsp() < 0) {
1148 release_region(dev.io, dev.numio);
1149 return -ENODEV;
1150 }
1151
1152 #ifdef MSND_CLASSIC
1153 dev.name = "Classic/Tahiti/Monterey";
1154 printk(KERN_INFO LOGNAME ": %s, "
1155 #else
1156 switch (dev.info >> 4) {
1157 case 0xf: xv = "<= 1.15"; break;
1158 case 0x1: xv = "1.18/1.2"; break;
1159 case 0x2: xv = "1.3"; break;
1160 case 0x3: xv = "1.4"; break;
1161 default: xv = "unknown"; break;
1162 }
1163
1164 switch (dev.info & 0x7) {
1165 case 0x0: rev = "I"; dev.name = pin; break;
1166 case 0x1: rev = "F"; dev.name = pin; break;
1167 case 0x2: rev = "G"; dev.name = pin; break;
1168 case 0x3: rev = "H"; dev.name = pin; break;
1169 case 0x4: rev = "E"; dev.name = fiji; break;
1170 case 0x5: rev = "C"; dev.name = fiji; break;
1171 case 0x6: rev = "D"; dev.name = fiji; break;
1172 case 0x7:
1173 rev = "A-B (Fiji) or A-E (Pinnacle)";
1174 dev.name = pinfiji;
1175 break;
1176 }
1177 printk(KERN_INFO LOGNAME ": %s revision %s, Xilinx version %s, "
1178 #endif /* MSND_CLASSIC */
1179 "I/O 0x%x-0x%x, IRQ %d, memory mapped to %p-%p\n",
1180 dev.name,
1181 #ifndef MSND_CLASSIC
1182 rev, xv,
1183 #endif
1184 dev.io, dev.io + dev.numio - 1,
1185 dev.irq,
1186 dev.base, dev.base + 0x7fff);
1187
1188 release_region(dev.io, dev.numio);
1189 return 0;
1190 }
1191
1192 static int init_sma(void)
1193 {
1194 static int initted;
1195 WORD mastVolLeft, mastVolRight;
1196 unsigned long flags;
1197
1198 #ifdef MSND_CLASSIC
1199 msnd_outb(dev.memid, dev.io + HP_MEMM);
1200 #endif
1201 msnd_outb(HPBLKSEL_0, dev.io + HP_BLKS);
1202 if (initted) {
1203 mastVolLeft = readw(dev.SMA + SMA_wCurrMastVolLeft);
1204 mastVolRight = readw(dev.SMA + SMA_wCurrMastVolRight);
1205 } else
1206 mastVolLeft = mastVolRight = 0;
1207 memset_io(dev.base, 0, 0x8000);
1208
1209 /* Critical section: bank 1 access */
1210 spin_lock_irqsave(&dev.lock, flags);
1211 msnd_outb(HPBLKSEL_1, dev.io + HP_BLKS);
1212 memset_io(dev.base, 0, 0x8000);
1213 msnd_outb(HPBLKSEL_0, dev.io + HP_BLKS);
1214 spin_unlock_irqrestore(&dev.lock, flags);
1215
1216 dev.pwDSPQData = (dev.base + DSPQ_DATA_BUFF);
1217 dev.pwMODQData = (dev.base + MODQ_DATA_BUFF);
1218 dev.pwMIDQData = (dev.base + MIDQ_DATA_BUFF);
1219
1220 /* Motorola 56k shared memory base */
1221 dev.SMA = dev.base + SMA_STRUCT_START;
1222
1223 /* Digital audio play queue */
1224 dev.DAPQ = dev.base + DAPQ_OFFSET;
1225 msnd_init_queue(dev.DAPQ, DAPQ_DATA_BUFF, DAPQ_BUFF_SIZE);
1226
1227 /* Digital audio record queue */
1228 dev.DARQ = dev.base + DARQ_OFFSET;
1229 msnd_init_queue(dev.DARQ, DARQ_DATA_BUFF, DARQ_BUFF_SIZE);
1230
1231 /* MIDI out queue */
1232 dev.MODQ = dev.base + MODQ_OFFSET;
1233 msnd_init_queue(dev.MODQ, MODQ_DATA_BUFF, MODQ_BUFF_SIZE);
1234
1235 /* MIDI in queue */
1236 dev.MIDQ = dev.base + MIDQ_OFFSET;
1237 msnd_init_queue(dev.MIDQ, MIDQ_DATA_BUFF, MIDQ_BUFF_SIZE);
1238
1239 /* DSP -> host message queue */
1240 dev.DSPQ = dev.base + DSPQ_OFFSET;
1241 msnd_init_queue(dev.DSPQ, DSPQ_DATA_BUFF, DSPQ_BUFF_SIZE);
1242
1243 /* Setup some DSP values */
1244 #ifndef MSND_CLASSIC
1245 writew(1, dev.SMA + SMA_wCurrPlayFormat);
1246 writew(dev.play_sample_size, dev.SMA + SMA_wCurrPlaySampleSize);
1247 writew(dev.play_channels, dev.SMA + SMA_wCurrPlayChannels);
1248 writew(dev.play_sample_rate, dev.SMA + SMA_wCurrPlaySampleRate);
1249 #endif
1250 writew(dev.play_sample_rate, dev.SMA + SMA_wCalFreqAtoD);
1251 writew(mastVolLeft, dev.SMA + SMA_wCurrMastVolLeft);
1252 writew(mastVolRight, dev.SMA + SMA_wCurrMastVolRight);
1253 #ifndef MSND_CLASSIC
1254 writel(0x00010000, dev.SMA + SMA_dwCurrPlayPitch);
1255 writel(0x00000001, dev.SMA + SMA_dwCurrPlayRate);
1256 #endif
1257 writew(0x303, dev.SMA + SMA_wCurrInputTagBits);
1258
1259 initted = 1;
1260
1261 return 0;
1262 }
1263
1264 static int __init calibrate_adc(WORD srate)
1265 {
1266 writew(srate, dev.SMA + SMA_wCalFreqAtoD);
1267 if (dev.calibrate_signal == 0)
1268 writew(readw(dev.SMA + SMA_wCurrHostStatusFlags)
1269 | 0x0001, dev.SMA + SMA_wCurrHostStatusFlags);
1270 else
1271 writew(readw(dev.SMA + SMA_wCurrHostStatusFlags)
1272 & ~0x0001, dev.SMA + SMA_wCurrHostStatusFlags);
1273 if (msnd_send_word(&dev, 0, 0, HDEXAR_CAL_A_TO_D) == 0 &&
1274 chk_send_dsp_cmd(&dev, HDEX_AUX_REQ) == 0) {
1275 current->state = TASK_INTERRUPTIBLE;
1276 schedule_timeout(HZ / 3);
1277 return 0;
1278 }
1279 printk(KERN_WARNING LOGNAME ": ADC calibration failed\n");
1280
1281 return -EIO;
1282 }
1283
1284 static int upload_dsp_code(void)
1285 {
1286 msnd_outb(HPBLKSEL_0, dev.io + HP_BLKS);
1287 #ifndef HAVE_DSPCODEH
1288 INITCODESIZE = mod_firmware_load(INITCODEFILE, &INITCODE);
1289 if (!INITCODE) {
1290 printk(KERN_ERR LOGNAME ": Error loading " INITCODEFILE);
1291 return -EBUSY;
1292 }
1293
1294 PERMCODESIZE = mod_firmware_load(PERMCODEFILE, &PERMCODE);
1295 if (!PERMCODE) {
1296 printk(KERN_ERR LOGNAME ": Error loading " PERMCODEFILE);
1297 vfree(INITCODE);
1298 return -EBUSY;
1299 }
1300 #endif
1301 memcpy_toio(dev.base, PERMCODE, PERMCODESIZE);
1302 if (msnd_upload_host(&dev, INITCODE, INITCODESIZE) < 0) {
1303 printk(KERN_WARNING LOGNAME ": Error uploading to DSP\n");
1304 return -ENODEV;
1305 }
1306 #ifdef HAVE_DSPCODEH
1307 printk(KERN_INFO LOGNAME ": DSP firmware uploaded (resident)\n");
1308 #else
1309 printk(KERN_INFO LOGNAME ": DSP firmware uploaded\n");
1310 #endif
1311
1312 #ifndef HAVE_DSPCODEH
1313 vfree(INITCODE);
1314 vfree(PERMCODE);
1315 #endif
1316
1317 return 0;
1318 }
1319
1320 #ifdef MSND_CLASSIC
1321 static void reset_proteus(void)
1322 {
1323 msnd_outb(HPPRORESET_ON, dev.io + HP_PROR);
1324 mdelay(TIME_PRO_RESET);
1325 msnd_outb(HPPRORESET_OFF, dev.io + HP_PROR);
1326 mdelay(TIME_PRO_RESET_DONE);
1327 }
1328 #endif
1329
1330 static int initialize(void)
1331 {
1332 int err, timeout;
1333
1334 #ifdef MSND_CLASSIC
1335 msnd_outb(HPWAITSTATE_0, dev.io + HP_WAIT);
1336 msnd_outb(HPBITMODE_16, dev.io + HP_BITM);
1337
1338 reset_proteus();
1339 #endif
1340 if ((err = init_sma()) < 0) {
1341 printk(KERN_WARNING LOGNAME ": Cannot initialize SMA\n");
1342 return err;
1343 }
1344
1345 if ((err = reset_dsp()) < 0)
1346 return err;
1347
1348 if ((err = upload_dsp_code()) < 0) {
1349 printk(KERN_WARNING LOGNAME ": Cannot upload DSP code\n");
1350 return err;
1351 }
1352
1353 timeout = 200;
1354 while (readw(dev.base)) {
1355 mdelay(1);
1356 if (!timeout--) {
1357 printk(KERN_DEBUG LOGNAME ": DSP reset timeout\n");
1358 return -EIO;
1359 }
1360 }
1361
1362 mixer_setup();
1363
1364 return 0;
1365 }
1366
1367 static int dsp_full_reset(void)
1368 {
1369 int rv;
1370
1371 if (test_bit(F_RESETTING, &dev.flags) || ++dev.nresets > 10)
1372 return 0;
1373
1374 set_bit(F_RESETTING, &dev.flags);
1375 printk(KERN_INFO LOGNAME ": DSP reset\n");
1376 dsp_halt(NULL); /* Unconditionally halt */
1377 if ((rv = initialize()))
1378 printk(KERN_WARNING LOGNAME ": DSP reset failed\n");
1379 force_recsrc(dev.recsrc);
1380 dsp_open(NULL);
1381 clear_bit(F_RESETTING, &dev.flags);
1382
1383 return rv;
1384 }
1385
1386 static int __init attach_multisound(void)
1387 {
1388 int err;
1389
1390 if ((err = request_irq(dev.irq, intr, 0, dev.name, &dev)) < 0) {
1391 printk(KERN_ERR LOGNAME ": Couldn't grab IRQ %d\n", dev.irq);
1392 return err;
1393 }
1394 request_region(dev.io, dev.numio, dev.name);
1395
1396 if ((err = dsp_full_reset()) < 0) {
1397 release_region(dev.io, dev.numio);
1398 free_irq(dev.irq, &dev);
1399 return err;
1400 }
1401
1402 if ((err = msnd_register(&dev)) < 0) {
1403 printk(KERN_ERR LOGNAME ": Unable to register MultiSound\n");
1404 release_region(dev.io, dev.numio);
1405 free_irq(dev.irq, &dev);
1406 return err;
1407 }
1408
1409 if ((dev.dsp_minor = register_sound_dsp(&dev_fileops, -1)) < 0) {
1410 printk(KERN_ERR LOGNAME ": Unable to register DSP operations\n");
1411 msnd_unregister(&dev);
1412 release_region(dev.io, dev.numio);
1413 free_irq(dev.irq, &dev);
1414 return dev.dsp_minor;
1415 }
1416
1417 if ((dev.mixer_minor = register_sound_mixer(&dev_fileops, -1)) < 0) {
1418 printk(KERN_ERR LOGNAME ": Unable to register mixer operations\n");
1419 unregister_sound_mixer(dev.mixer_minor);
1420 msnd_unregister(&dev);
1421 release_region(dev.io, dev.numio);
1422 free_irq(dev.irq, &dev);
1423 return dev.mixer_minor;
1424 }
1425
1426 dev.ext_midi_dev = dev.hdr_midi_dev = -1;
1427
1428 disable_irq(dev.irq);
1429 calibrate_adc(dev.play_sample_rate);
1430 #ifndef MSND_CLASSIC
1431 force_recsrc(SOUND_MASK_IMIX);
1432 #endif
1433
1434 return 0;
1435 }
1436
1437 static void __exit unload_multisound(void)
1438 {
1439 release_region(dev.io, dev.numio);
1440 free_irq(dev.irq, &dev);
1441 unregister_sound_mixer(dev.mixer_minor);
1442 unregister_sound_dsp(dev.dsp_minor);
1443 msnd_unregister(&dev);
1444 }
1445
1446 #ifndef MSND_CLASSIC
1447
1448 /* Pinnacle/Fiji Logical Device Configuration */
1449
1450 static int __init msnd_write_cfg(int cfg, int reg, int value)
1451 {
1452 msnd_outb(reg, cfg);
1453 msnd_outb(value, cfg + 1);
1454 if (value != msnd_inb(cfg + 1)) {
1455 printk(KERN_ERR LOGNAME ": msnd_write_cfg: I/O error\n");
1456 return -EIO;
1457 }
1458 return 0;
1459 }
1460
1461 static int __init msnd_write_cfg_io0(int cfg, int num, WORD io)
1462 {
1463 if (msnd_write_cfg(cfg, IREG_LOGDEVICE, num))
1464 return -EIO;
1465 if (msnd_write_cfg(cfg, IREG_IO0_BASEHI, HIBYTE(io)))
1466 return -EIO;
1467 if (msnd_write_cfg(cfg, IREG_IO0_BASELO, LOBYTE(io)))
1468 return -EIO;
1469 return 0;
1470 }
1471
1472 static int __init msnd_write_cfg_io1(int cfg, int num, WORD io)
1473 {
1474 if (msnd_write_cfg(cfg, IREG_LOGDEVICE, num))
1475 return -EIO;
1476 if (msnd_write_cfg(cfg, IREG_IO1_BASEHI, HIBYTE(io)))
1477 return -EIO;
1478 if (msnd_write_cfg(cfg, IREG_IO1_BASELO, LOBYTE(io)))
1479 return -EIO;
1480 return 0;
1481 }
1482
1483 static int __init msnd_write_cfg_irq(int cfg, int num, WORD irq)
1484 {
1485 if (msnd_write_cfg(cfg, IREG_LOGDEVICE, num))
1486 return -EIO;
1487 if (msnd_write_cfg(cfg, IREG_IRQ_NUMBER, LOBYTE(irq)))
1488 return -EIO;
1489 if (msnd_write_cfg(cfg, IREG_IRQ_TYPE, IRQTYPE_EDGE))
1490 return -EIO;
1491 return 0;
1492 }
1493
1494 static int __init msnd_write_cfg_mem(int cfg, int num, int mem)
1495 {
1496 WORD wmem;
1497
1498 mem >>= 8;
1499 mem &= 0xfff;
1500 wmem = (WORD)mem;
1501 if (msnd_write_cfg(cfg, IREG_LOGDEVICE, num))
1502 return -EIO;
1503 if (msnd_write_cfg(cfg, IREG_MEMBASEHI, HIBYTE(wmem)))
1504 return -EIO;
1505 if (msnd_write_cfg(cfg, IREG_MEMBASELO, LOBYTE(wmem)))
1506 return -EIO;
1507 if (wmem && msnd_write_cfg(cfg, IREG_MEMCONTROL, (MEMTYPE_HIADDR | MEMTYPE_16BIT)))
1508 return -EIO;
1509 return 0;
1510 }
1511
1512 static int __init msnd_activate_logical(int cfg, int num)
1513 {
1514 if (msnd_write_cfg(cfg, IREG_LOGDEVICE, num))
1515 return -EIO;
1516 if (msnd_write_cfg(cfg, IREG_ACTIVATE, LD_ACTIVATE))
1517 return -EIO;
1518 return 0;
1519 }
1520
1521 static int __init msnd_write_cfg_logical(int cfg, int num, WORD io0, WORD io1, WORD irq, int mem)
1522 {
1523 if (msnd_write_cfg(cfg, IREG_LOGDEVICE, num))
1524 return -EIO;
1525 if (msnd_write_cfg_io0(cfg, num, io0))
1526 return -EIO;
1527 if (msnd_write_cfg_io1(cfg, num, io1))
1528 return -EIO;
1529 if (msnd_write_cfg_irq(cfg, num, irq))
1530 return -EIO;
1531 if (msnd_write_cfg_mem(cfg, num, mem))
1532 return -EIO;
1533 if (msnd_activate_logical(cfg, num))
1534 return -EIO;
1535 return 0;
1536 }
1537
1538 typedef struct msnd_pinnacle_cfg_device {
1539 WORD io0, io1, irq;
1540 int mem;
1541 } msnd_pinnacle_cfg_t[4];
1542
1543 static int __init msnd_pinnacle_cfg_devices(int cfg, int reset, msnd_pinnacle_cfg_t device)
1544 {
1545 int i;
1546
1547 /* Reset devices if told to */
1548 if (reset) {
1549 printk(KERN_INFO LOGNAME ": Resetting all devices\n");
1550 for (i = 0; i < 4; ++i)
1551 if (msnd_write_cfg_logical(cfg, i, 0, 0, 0, 0))
1552 return -EIO;
1553 }
1554
1555 /* Configure specified devices */
1556 for (i = 0; i < 4; ++i) {
1557
1558 switch (i) {
1559 case 0: /* DSP */
1560 if (!(device[i].io0 && device[i].irq && device[i].mem))
1561 continue;
1562 break;
1563 case 1: /* MPU */
1564 if (!(device[i].io0 && device[i].irq))
1565 continue;
1566 printk(KERN_INFO LOGNAME
1567 ": Configuring MPU to I/O 0x%x IRQ %d\n",
1568 device[i].io0, device[i].irq);
1569 break;
1570 case 2: /* IDE */
1571 if (!(device[i].io0 && device[i].io1 && device[i].irq))
1572 continue;
1573 printk(KERN_INFO LOGNAME
1574 ": Configuring IDE to I/O 0x%x, 0x%x IRQ %d\n",
1575 device[i].io0, device[i].io1, device[i].irq);
1576 break;
1577 case 3: /* Joystick */
1578 if (!(device[i].io0))
1579 continue;
1580 printk(KERN_INFO LOGNAME
1581 ": Configuring joystick to I/O 0x%x\n",
1582 device[i].io0);
1583 break;
1584 }
1585
1586 /* Configure the device */
1587 if (msnd_write_cfg_logical(cfg, i, device[i].io0, device[i].io1, device[i].irq, device[i].mem))
1588 return -EIO;
1589 }
1590
1591 return 0;
1592 }
1593 #endif
1594
1595 #ifdef MODULE
1596 MODULE_AUTHOR ("Andrew Veliath <andrewtv@usa.net>");
1597 MODULE_DESCRIPTION ("Turtle Beach " LONGNAME " Linux Driver");
1598 MODULE_LICENSE("GPL");
1599
1600 static int io __initdata = -1;
1601 static int irq __initdata = -1;
1602 static int mem __initdata = -1;
1603 static int write_ndelay __initdata = -1;
1604
1605 #ifndef MSND_CLASSIC
1606 /* Pinnacle/Fiji non-PnP Config Port */
1607 static int cfg __initdata = -1;
1608
1609 /* Extra Peripheral Configuration */
1610 static int reset __initdata = 0;
1611 static int mpu_io __initdata = 0;
1612 static int mpu_irq __initdata = 0;
1613 static int ide_io0 __initdata = 0;
1614 static int ide_io1 __initdata = 0;
1615 static int ide_irq __initdata = 0;
1616 static int joystick_io __initdata = 0;
1617
1618 /* If we have the digital daugherboard... */
1619 static int digital __initdata = 0;
1620 #endif
1621
1622 static int fifosize __initdata = DEFFIFOSIZE;
1623 static int calibrate_signal __initdata = 0;
1624
1625 #else /* not a module */
1626
1627 static int write_ndelay __initdata = -1;
1628
1629 #ifdef MSND_CLASSIC
1630 static int io __initdata = CONFIG_MSNDCLAS_IO;
1631 static int irq __initdata = CONFIG_MSNDCLAS_IRQ;
1632 static int mem __initdata = CONFIG_MSNDCLAS_MEM;
1633 #else /* Pinnacle/Fiji */
1634
1635 static int io __initdata = CONFIG_MSNDPIN_IO;
1636 static int irq __initdata = CONFIG_MSNDPIN_IRQ;
1637 static int mem __initdata = CONFIG_MSNDPIN_MEM;
1638
1639 /* Pinnacle/Fiji non-PnP Config Port */
1640 #ifdef CONFIG_MSNDPIN_NONPNP
1641 # ifndef CONFIG_MSNDPIN_CFG
1642 # define CONFIG_MSNDPIN_CFG 0x250
1643 # endif
1644 #else
1645 # ifdef CONFIG_MSNDPIN_CFG
1646 # undef CONFIG_MSNDPIN_CFG
1647 # endif
1648 # define CONFIG_MSNDPIN_CFG -1
1649 #endif
1650 static int cfg __initdata = CONFIG_MSNDPIN_CFG;
1651 /* If not a module, we don't need to bother with reset=1 */
1652 static int reset;
1653
1654 /* Extra Peripheral Configuration (Default: Disable) */
1655 #ifndef CONFIG_MSNDPIN_MPU_IO
1656 # define CONFIG_MSNDPIN_MPU_IO 0
1657 #endif
1658 static int mpu_io __initdata = CONFIG_MSNDPIN_MPU_IO;
1659
1660 #ifndef CONFIG_MSNDPIN_MPU_IRQ
1661 # define CONFIG_MSNDPIN_MPU_IRQ 0
1662 #endif
1663 static int mpu_irq __initdata = CONFIG_MSNDPIN_MPU_IRQ;
1664
1665 #ifndef CONFIG_MSNDPIN_IDE_IO0
1666 # define CONFIG_MSNDPIN_IDE_IO0 0
1667 #endif
1668 static int ide_io0 __initdata = CONFIG_MSNDPIN_IDE_IO0;
1669
1670 #ifndef CONFIG_MSNDPIN_IDE_IO1
1671 # define CONFIG_MSNDPIN_IDE_IO1 0
1672 #endif
1673 static int ide_io1 __initdata = CONFIG_MSNDPIN_IDE_IO1;
1674
1675 #ifndef CONFIG_MSNDPIN_IDE_IRQ
1676 # define CONFIG_MSNDPIN_IDE_IRQ 0
1677 #endif
1678 static int ide_irq __initdata = CONFIG_MSNDPIN_IDE_IRQ;
1679
1680 #ifndef CONFIG_MSNDPIN_JOYSTICK_IO
1681 # define CONFIG_MSNDPIN_JOYSTICK_IO 0
1682 #endif
1683 static int joystick_io __initdata = CONFIG_MSNDPIN_JOYSTICK_IO;
1684
1685 /* Have SPDIF (Digital) Daughterboard */
1686 #ifndef CONFIG_MSNDPIN_DIGITAL
1687 # define CONFIG_MSNDPIN_DIGITAL 0
1688 #endif
1689 static int digital __initdata = CONFIG_MSNDPIN_DIGITAL;
1690
1691 #endif /* MSND_CLASSIC */
1692
1693 #ifndef CONFIG_MSND_FIFOSIZE
1694 # define CONFIG_MSND_FIFOSIZE DEFFIFOSIZE
1695 #endif
1696 static int fifosize __initdata = CONFIG_MSND_FIFOSIZE;
1697
1698 #ifndef CONFIG_MSND_CALSIGNAL
1699 # define CONFIG_MSND_CALSIGNAL 0
1700 #endif
1701 static int
1702 calibrate_signal __initdata = CONFIG_MSND_CALSIGNAL;
1703 #endif /* MODULE */
1704
1705 module_param (io, int, 0);
1706 module_param (irq, int, 0);
1707 module_param (mem, int, 0);
1708 module_param (write_ndelay, int, 0);
1709 module_param (fifosize, int, 0);
1710 module_param (calibrate_signal, int, 0);
1711 #ifndef MSND_CLASSIC
1712 module_param (digital, bool, 0);
1713 module_param (cfg, int, 0);
1714 module_param (reset, int, 0);
1715 module_param (mpu_io, int, 0);
1716 module_param (mpu_irq, int, 0);
1717 module_param (ide_io0, int, 0);
1718 module_param (ide_io1, int, 0);
1719 module_param (ide_irq, int, 0);
1720 module_param (joystick_io, int, 0);
1721 #endif
1722
1723 static int __init msnd_init(void)
1724 {
1725 int err;
1726 #ifndef MSND_CLASSIC
1727 static msnd_pinnacle_cfg_t pinnacle_devs;
1728 #endif /* MSND_CLASSIC */
1729
1730 printk(KERN_INFO LOGNAME ": Turtle Beach " LONGNAME " Linux Driver Version "
1731 VERSION ", Copyright (C) 1998 Andrew Veliath\n");
1732
1733 if (io == -1 || irq == -1 || mem == -1)
1734 printk(KERN_WARNING LOGNAME ": io, irq and mem must be set\n");
1735
1736 #ifdef MSND_CLASSIC
1737 if (io == -1 ||
1738 !(io == 0x290 ||
1739 io == 0x260 ||
1740 io == 0x250 ||
1741 io == 0x240 ||
1742 io == 0x230 ||
1743 io == 0x220 ||
1744 io == 0x210 ||
1745 io == 0x3e0)) {
1746 printk(KERN_ERR LOGNAME ": \"io\" - DSP I/O base must be set to 0x210, 0x220, 0x230, 0x240, 0x250, 0x260, 0x290, or 0x3E0\n");
1747 return -EINVAL;
1748 }
1749 #else
1750 if (io == -1 ||
1751 io < 0x100 ||
1752 io > 0x3e0 ||
1753 (io % 0x10) != 0) {
1754 printk(KERN_ERR LOGNAME ": \"io\" - DSP I/O base must within the range 0x100 to 0x3E0 and must be evenly divisible by 0x10\n");
1755 return -EINVAL;
1756 }
1757 #endif /* MSND_CLASSIC */
1758
1759 if (irq == -1 ||
1760 !(irq == 5 ||
1761 irq == 7 ||
1762 irq == 9 ||
1763 irq == 10 ||
1764 irq == 11 ||
1765 irq == 12)) {
1766 printk(KERN_ERR LOGNAME ": \"irq\" - must be set to 5, 7, 9, 10, 11 or 12\n");
1767 return -EINVAL;
1768 }
1769
1770 if (mem == -1 ||
1771 !(mem == 0xb0000 ||
1772 mem == 0xc8000 ||
1773 mem == 0xd0000 ||
1774 mem == 0xd8000 ||
1775 mem == 0xe0000 ||
1776 mem == 0xe8000)) {
1777 printk(KERN_ERR LOGNAME ": \"mem\" - must be set to "
1778 "0xb0000, 0xc8000, 0xd0000, 0xd8000, 0xe0000 or 0xe8000\n");
1779 return -EINVAL;
1780 }
1781
1782 #ifdef MSND_CLASSIC
1783 switch (irq) {
1784 case 5: dev.irqid = HPIRQ_5; break;
1785 case 7: dev.irqid = HPIRQ_7; break;
1786 case 9: dev.irqid = HPIRQ_9; break;
1787 case 10: dev.irqid = HPIRQ_10; break;
1788 case 11: dev.irqid = HPIRQ_11; break;
1789 case 12: dev.irqid = HPIRQ_12; break;
1790 }
1791
1792 switch (mem) {
1793 case 0xb0000: dev.memid = HPMEM_B000; break;
1794 case 0xc8000: dev.memid = HPMEM_C800; break;
1795 case 0xd0000: dev.memid = HPMEM_D000; break;
1796 case 0xd8000: dev.memid = HPMEM_D800; break;
1797 case 0xe0000: dev.memid = HPMEM_E000; break;
1798 case 0xe8000: dev.memid = HPMEM_E800; break;
1799 }
1800 #else
1801 if (cfg == -1) {
1802 printk(KERN_INFO LOGNAME ": Assuming PnP mode\n");
1803 } else if (cfg != 0x250 && cfg != 0x260 && cfg != 0x270) {
1804 printk(KERN_INFO LOGNAME ": Config port must be 0x250, 0x260 or 0x270 (or unspecified for PnP mode)\n");
1805 return -EINVAL;
1806 } else {
1807 printk(KERN_INFO LOGNAME ": Non-PnP mode: configuring at port 0x%x\n", cfg);
1808
1809 /* DSP */
1810 pinnacle_devs[0].io0 = io;
1811 pinnacle_devs[0].irq = irq;
1812 pinnacle_devs[0].mem = mem;
1813
1814 /* The following are Pinnacle specific */
1815
1816 /* MPU */
1817 pinnacle_devs[1].io0 = mpu_io;
1818 pinnacle_devs[1].irq = mpu_irq;
1819
1820 /* IDE */
1821 pinnacle_devs[2].io0 = ide_io0;
1822 pinnacle_devs[2].io1 = ide_io1;
1823 pinnacle_devs[2].irq = ide_irq;
1824
1825 /* Joystick */
1826 pinnacle_devs[3].io0 = joystick_io;
1827
1828 if (!request_region(cfg, 2, "Pinnacle/Fiji Config")) {
1829 printk(KERN_ERR LOGNAME ": Config port 0x%x conflict\n", cfg);
1830 return -EIO;
1831 }
1832
1833 if (msnd_pinnacle_cfg_devices(cfg, reset, pinnacle_devs)) {
1834 printk(KERN_ERR LOGNAME ": Device configuration error\n");
1835 release_region(cfg, 2);
1836 return -EIO;
1837 }
1838 release_region(cfg, 2);
1839 }
1840 #endif /* MSND_CLASSIC */
1841
1842 if (fifosize < 16)
1843 fifosize = 16;
1844
1845 if (fifosize > 1024)
1846 fifosize = 1024;
1847
1848 set_default_audio_parameters();
1849 #ifdef MSND_CLASSIC
1850 dev.type = msndClassic;
1851 #else
1852 dev.type = msndPinnacle;
1853 #endif
1854 dev.io = io;
1855 dev.numio = DSP_NUMIO;
1856 dev.irq = irq;
1857 dev.base = ioremap(mem, 0x8000);
1858 dev.fifosize = fifosize * 1024;
1859 dev.calibrate_signal = calibrate_signal ? 1 : 0;
1860 dev.recsrc = 0;
1861 dev.dspq_data_buff = DSPQ_DATA_BUFF;
1862 dev.dspq_buff_size = DSPQ_BUFF_SIZE;
1863 if (write_ndelay == -1)
1864 write_ndelay = CONFIG_MSND_WRITE_NDELAY;
1865 if (write_ndelay)
1866 clear_bit(F_DISABLE_WRITE_NDELAY, &dev.flags);
1867 else
1868 set_bit(F_DISABLE_WRITE_NDELAY, &dev.flags);
1869 #ifndef MSND_CLASSIC
1870 if (digital)
1871 set_bit(F_HAVEDIGITAL, &dev.flags);
1872 #endif
1873 init_waitqueue_head(&dev.writeblock);
1874 init_waitqueue_head(&dev.readblock);
1875 init_waitqueue_head(&dev.writeflush);
1876 msnd_fifo_init(&dev.DAPF);
1877 msnd_fifo_init(&dev.DARF);
1878 spin_lock_init(&dev.lock);
1879 printk(KERN_INFO LOGNAME ": %u byte audio FIFOs (x2)\n", dev.fifosize);
1880 if ((err = msnd_fifo_alloc(&dev.DAPF, dev.fifosize)) < 0) {
1881 printk(KERN_ERR LOGNAME ": Couldn't allocate write FIFO\n");
1882 return err;
1883 }
1884
1885 if ((err = msnd_fifo_alloc(&dev.DARF, dev.fifosize)) < 0) {
1886 printk(KERN_ERR LOGNAME ": Couldn't allocate read FIFO\n");
1887 msnd_fifo_free(&dev.DAPF);
1888 return err;
1889 }
1890
1891 if ((err = probe_multisound()) < 0) {
1892 printk(KERN_ERR LOGNAME ": Probe failed\n");
1893 msnd_fifo_free(&dev.DAPF);
1894 msnd_fifo_free(&dev.DARF);
1895 return err;
1896 }
1897
1898 if ((err = attach_multisound()) < 0) {
1899 printk(KERN_ERR LOGNAME ": Attach failed\n");
1900 msnd_fifo_free(&dev.DAPF);
1901 msnd_fifo_free(&dev.DARF);
1902 return err;
1903 }
1904
1905 return 0;
1906 }
1907
1908 static void __exit msdn_cleanup(void)
1909 {
1910 unload_multisound();
1911 msnd_fifo_free(&dev.DAPF);
1912 msnd_fifo_free(&dev.DARF);
1913 }
1914
1915 module_init(msnd_init);
1916 module_exit(msdn_cleanup);
Linux with added FPC-III support