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UDF: check for allocated memory for inode data
[linux-2.6/lfs.git] / sound / oss / msnd_pinnacle.c
blobf1f49ebf752ea0a6ee109fbf9622b1a0265c92f0
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 * $Id: msnd_pinnacle.c,v 1.8 2000/12/30 00:33:21 sycamore Exp $
33 *
34 * 12-3-2000 Modified IO port validation Steve Sycamore
35 *
36 *
37 * $$$: msnd_pinnacle.c,v 1.75 1999/03/21 16:50:09 andrewtv $$$ $
38 *
39 ********************************************************************/
40
41 #include <linux/kernel.h>
42 #include <linux/module.h>
43 #include <linux/slab.h>
44 #include <linux/types.h>
45 #include <linux/delay.h>
46 #include <linux/init.h>
47 #include <linux/interrupt.h>
48 #include <linux/smp_lock.h>
49 #include <asm/irq.h>
50 #include <asm/io.h>
51 #include "sound_config.h"
52 #include "sound_firmware.h"
53 #ifdef MSND_CLASSIC
54 # ifndef __alpha__
55 # define SLOWIO
56 # endif
57 #endif
58 #include "msnd.h"
59 #ifdef MSND_CLASSIC
60 # ifdef CONFIG_MSNDCLAS_HAVE_BOOT
61 # define HAVE_DSPCODEH
62 # endif
63 # include "msnd_classic.h"
64 # define LOGNAME "msnd_classic"
65 #else
66 # ifdef CONFIG_MSNDPIN_HAVE_BOOT
67 # define HAVE_DSPCODEH
68 # endif
69 # include "msnd_pinnacle.h"
70 # define LOGNAME "msnd_pinnacle"
71 #endif
72
73 #ifndef CONFIG_MSND_WRITE_NDELAY
74 # define CONFIG_MSND_WRITE_NDELAY 1
75 #endif
76
77 #define get_play_delay_jiffies(size) ((size) * HZ * \
78 dev.play_sample_size / 8 / \
79 dev.play_sample_rate / \
80 dev.play_channels)
81
82 #define get_rec_delay_jiffies(size) ((size) * HZ * \
83 dev.rec_sample_size / 8 / \
84 dev.rec_sample_rate / \
85 dev.rec_channels)
86
87 static multisound_dev_t dev;
88
89 #ifndef HAVE_DSPCODEH
90 static char *dspini, *permini;
91 static int sizeof_dspini, sizeof_permini;
92 #endif
93
94 static int dsp_full_reset(void);
95 static void dsp_write_flush(void);
96
97 static __inline__ int chk_send_dsp_cmd(multisound_dev_t *dev, register BYTE cmd)
98 {
99 if (msnd_send_dsp_cmd(dev, cmd) == 0)
100 return 0;
101 dsp_full_reset();
102 return msnd_send_dsp_cmd(dev, cmd);
103 }
104
105 static void reset_play_queue(void)
106 {
107 int n;
108 LPDAQD lpDAQ;
109
110 dev.last_playbank = -1;
111 writew(PCTODSP_OFFSET(0 * DAQDS__size), dev.DAPQ + JQS_wHead);
112 writew(PCTODSP_OFFSET(0 * DAQDS__size), dev.DAPQ + JQS_wTail);
113
114 for (n = 0, lpDAQ = dev.base + DAPQ_DATA_BUFF; n < 3; ++n, lpDAQ += DAQDS__size) {
115 writew(PCTODSP_BASED((DWORD)(DAP_BUFF_SIZE * n)), lpDAQ + DAQDS_wStart);
116 writew(0, lpDAQ + DAQDS_wSize);
117 writew(1, lpDAQ + DAQDS_wFormat);
118 writew(dev.play_sample_size, lpDAQ + DAQDS_wSampleSize);
119 writew(dev.play_channels, lpDAQ + DAQDS_wChannels);
120 writew(dev.play_sample_rate, lpDAQ + DAQDS_wSampleRate);
121 writew(HIMT_PLAY_DONE * 0x100 + n, lpDAQ + DAQDS_wIntMsg);
122 writew(n, lpDAQ + DAQDS_wFlags);
123 }
124 }
125
126 static void reset_record_queue(void)
127 {
128 int n;
129 LPDAQD lpDAQ;
130 unsigned long flags;
131
132 dev.last_recbank = 2;
133 writew(PCTODSP_OFFSET(0 * DAQDS__size), dev.DARQ + JQS_wHead);
134 writew(PCTODSP_OFFSET(dev.last_recbank * DAQDS__size), dev.DARQ + JQS_wTail);
135
136 /* Critical section: bank 1 access */
137 spin_lock_irqsave(&dev.lock, flags);
138 msnd_outb(HPBLKSEL_1, dev.io + HP_BLKS);
139 memset_io(dev.base, 0, DAR_BUFF_SIZE * 3);
140 msnd_outb(HPBLKSEL_0, dev.io + HP_BLKS);
141 spin_unlock_irqrestore(&dev.lock, flags);
142
143 for (n = 0, lpDAQ = dev.base + DARQ_DATA_BUFF; n < 3; ++n, lpDAQ += DAQDS__size) {
144 writew(PCTODSP_BASED((DWORD)(DAR_BUFF_SIZE * n)) + 0x4000, lpDAQ + DAQDS_wStart);
145 writew(DAR_BUFF_SIZE, lpDAQ + DAQDS_wSize);
146 writew(1, lpDAQ + DAQDS_wFormat);
147 writew(dev.rec_sample_size, lpDAQ + DAQDS_wSampleSize);
148 writew(dev.rec_channels, lpDAQ + DAQDS_wChannels);
149 writew(dev.rec_sample_rate, lpDAQ + DAQDS_wSampleRate);
150 writew(HIMT_RECORD_DONE * 0x100 + n, lpDAQ + DAQDS_wIntMsg);
151 writew(n, lpDAQ + DAQDS_wFlags);
152 }
153 }
154
155 static void reset_queues(void)
156 {
157 if (dev.mode & FMODE_WRITE) {
158 msnd_fifo_make_empty(&dev.DAPF);
159 reset_play_queue();
160 }
161 if (dev.mode & FMODE_READ) {
162 msnd_fifo_make_empty(&dev.DARF);
163 reset_record_queue();
164 }
165 }
166
167 static int dsp_set_format(struct file *file, int val)
168 {
169 int data, i;
170 LPDAQD lpDAQ, lpDARQ;
171
172 lpDAQ = dev.base + DAPQ_DATA_BUFF;
173 lpDARQ = dev.base + DARQ_DATA_BUFF;
174
175 switch (val) {
176 case AFMT_U8:
177 case AFMT_S16_LE:
178 data = val;
179 break;
180 default:
181 data = DEFSAMPLESIZE;
182 break;
183 }
184
185 for (i = 0; i < 3; ++i, lpDAQ += DAQDS__size, lpDARQ += DAQDS__size) {
186 if (file->f_mode & FMODE_WRITE)
187 writew(data, lpDAQ + DAQDS_wSampleSize);
188 if (file->f_mode & FMODE_READ)
189 writew(data, lpDARQ + DAQDS_wSampleSize);
190 }
191 if (file->f_mode & FMODE_WRITE)
192 dev.play_sample_size = data;
193 if (file->f_mode & FMODE_READ)
194 dev.rec_sample_size = data;
195
196 return data;
197 }
198
199 static int dsp_get_frag_size(void)
200 {
201 int size;
202 size = dev.fifosize / 4;
203 if (size > 32 * 1024)
204 size = 32 * 1024;
205 return size;
206 }
207
208 static int dsp_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
209 {
210 int val, i, data, tmp;
211 LPDAQD lpDAQ, lpDARQ;
212 audio_buf_info abinfo;
213 unsigned long flags;
214 int __user *p = (int __user *)arg;
215
216 lpDAQ = dev.base + DAPQ_DATA_BUFF;
217 lpDARQ = dev.base + DARQ_DATA_BUFF;
218
219 switch (cmd) {
220 case SNDCTL_DSP_SUBDIVIDE:
221 case SNDCTL_DSP_SETFRAGMENT:
222 case SNDCTL_DSP_SETDUPLEX:
223 case SNDCTL_DSP_POST:
224 return 0;
225
226 case SNDCTL_DSP_GETIPTR:
227 case SNDCTL_DSP_GETOPTR:
228 case SNDCTL_DSP_MAPINBUF:
229 case SNDCTL_DSP_MAPOUTBUF:
230 return -EINVAL;
231
232 case SNDCTL_DSP_GETOSPACE:
233 if (!(file->f_mode & FMODE_WRITE))
234 return -EINVAL;
235 spin_lock_irqsave(&dev.lock, flags);
236 abinfo.fragsize = dsp_get_frag_size();
237 abinfo.bytes = dev.DAPF.n - dev.DAPF.len;
238 abinfo.fragstotal = dev.DAPF.n / abinfo.fragsize;
239 abinfo.fragments = abinfo.bytes / abinfo.fragsize;
240 spin_unlock_irqrestore(&dev.lock, flags);
241 return copy_to_user((void __user *)arg, &abinfo, sizeof(abinfo)) ? -EFAULT : 0;
242
243 case SNDCTL_DSP_GETISPACE:
244 if (!(file->f_mode & FMODE_READ))
245 return -EINVAL;
246 spin_lock_irqsave(&dev.lock, flags);
247 abinfo.fragsize = dsp_get_frag_size();
248 abinfo.bytes = dev.DARF.n - dev.DARF.len;
249 abinfo.fragstotal = dev.DARF.n / abinfo.fragsize;
250 abinfo.fragments = abinfo.bytes / abinfo.fragsize;
251 spin_unlock_irqrestore(&dev.lock, flags);
252 return copy_to_user((void __user *)arg, &abinfo, sizeof(abinfo)) ? -EFAULT : 0;
253
254 case SNDCTL_DSP_RESET:
255 dev.nresets = 0;
256 reset_queues();
257 return 0;
258
259 case SNDCTL_DSP_SYNC:
260 dsp_write_flush();
261 return 0;
262
263 case SNDCTL_DSP_GETBLKSIZE:
264 tmp = dsp_get_frag_size();
265 if (put_user(tmp, p))
266 return -EFAULT;
267 return 0;
268
269 case SNDCTL_DSP_GETFMTS:
270 val = AFMT_S16_LE | AFMT_U8;
271 if (put_user(val, p))
272 return -EFAULT;
273 return 0;
274
275 case SNDCTL_DSP_SETFMT:
276 if (get_user(val, p))
277 return -EFAULT;
278
279 if (file->f_mode & FMODE_WRITE)
280 data = val == AFMT_QUERY
281 ? dev.play_sample_size
282 : dsp_set_format(file, val);
283 else
284 data = val == AFMT_QUERY
285 ? dev.rec_sample_size
286 : dsp_set_format(file, val);
287
288 if (put_user(data, p))
289 return -EFAULT;
290 return 0;
291
292 case SNDCTL_DSP_NONBLOCK:
293 if (!test_bit(F_DISABLE_WRITE_NDELAY, &dev.flags) &&
294 file->f_mode & FMODE_WRITE)
295 dev.play_ndelay = 1;
296 if (file->f_mode & FMODE_READ)
297 dev.rec_ndelay = 1;
298 return 0;
299
300 case SNDCTL_DSP_GETCAPS:
301 val = DSP_CAP_DUPLEX | DSP_CAP_BATCH;
302 if (put_user(val, p))
303 return -EFAULT;
304 return 0;
305
306 case SNDCTL_DSP_SPEED:
307 if (get_user(val, p))
308 return -EFAULT;
309
310 if (val < 8000)
311 val = 8000;
312
313 if (val > 48000)
314 val = 48000;
315
316 data = val;
317
318 for (i = 0; i < 3; ++i, lpDAQ += DAQDS__size, lpDARQ += DAQDS__size) {
319 if (file->f_mode & FMODE_WRITE)
320 writew(data, lpDAQ + DAQDS_wSampleRate);
321 if (file->f_mode & FMODE_READ)
322 writew(data, lpDARQ + DAQDS_wSampleRate);
323 }
324 if (file->f_mode & FMODE_WRITE)
325 dev.play_sample_rate = data;
326 if (file->f_mode & FMODE_READ)
327 dev.rec_sample_rate = data;
328
329 if (put_user(data, p))
330 return -EFAULT;
331 return 0;
332
333 case SNDCTL_DSP_CHANNELS:
334 case SNDCTL_DSP_STEREO:
335 if (get_user(val, p))
336 return -EFAULT;
337
338 if (cmd == SNDCTL_DSP_CHANNELS) {
339 switch (val) {
340 case 1:
341 case 2:
342 data = val;
343 break;
344 default:
345 val = data = 2;
346 break;
347 }
348 } else {
349 switch (val) {
350 case 0:
351 data = 1;
352 break;
353 default:
354 val = 1;
355 case 1:
356 data = 2;
357 break;
358 }
359 }
360
361 for (i = 0; i < 3; ++i, lpDAQ += DAQDS__size, lpDARQ += DAQDS__size) {
362 if (file->f_mode & FMODE_WRITE)
363 writew(data, lpDAQ + DAQDS_wChannels);
364 if (file->f_mode & FMODE_READ)
365 writew(data, lpDARQ + DAQDS_wChannels);
366 }
367 if (file->f_mode & FMODE_WRITE)
368 dev.play_channels = data;
369 if (file->f_mode & FMODE_READ)
370 dev.rec_channels = data;
371
372 if (put_user(val, p))
373 return -EFAULT;
374 return 0;
375 }
376
377 return -EINVAL;
378 }
379
380 static int mixer_get(int d)
381 {
382 if (d > 31)
383 return -EINVAL;
384
385 switch (d) {
386 case SOUND_MIXER_VOLUME:
387 case SOUND_MIXER_PCM:
388 case SOUND_MIXER_LINE:
389 case SOUND_MIXER_IMIX:
390 case SOUND_MIXER_LINE1:
391 #ifndef MSND_CLASSIC
392 case SOUND_MIXER_MIC:
393 case SOUND_MIXER_SYNTH:
394 #endif
395 return (dev.left_levels[d] >> 8) * 100 / 0xff |
396 (((dev.right_levels[d] >> 8) * 100 / 0xff) << 8);
397 default:
398 return 0;
399 }
400 }
401
402 #define update_volm(a,b) \
403 writew((dev.left_levels[a] >> 1) * \
404 readw(dev.SMA + SMA_wCurrMastVolLeft) / 0xffff, \
405 dev.SMA + SMA_##b##Left); \
406 writew((dev.right_levels[a] >> 1) * \
407 readw(dev.SMA + SMA_wCurrMastVolRight) / 0xffff, \
408 dev.SMA + SMA_##b##Right);
409
410 #define update_potm(d,s,ar) \
411 writeb((dev.left_levels[d] >> 8) * \
412 readw(dev.SMA + SMA_wCurrMastVolLeft) / 0xffff, \
413 dev.SMA + SMA_##s##Left); \
414 writeb((dev.right_levels[d] >> 8) * \
415 readw(dev.SMA + SMA_wCurrMastVolRight) / 0xffff, \
416 dev.SMA + SMA_##s##Right); \
417 if (msnd_send_word(&dev, 0, 0, ar) == 0) \
418 chk_send_dsp_cmd(&dev, HDEX_AUX_REQ);
419
420 #define update_pot(d,s,ar) \
421 writeb(dev.left_levels[d] >> 8, \
422 dev.SMA + SMA_##s##Left); \
423 writeb(dev.right_levels[d] >> 8, \
424 dev.SMA + SMA_##s##Right); \
425 if (msnd_send_word(&dev, 0, 0, ar) == 0) \
426 chk_send_dsp_cmd(&dev, HDEX_AUX_REQ);
427
428 static int mixer_set(int d, int value)
429 {
430 int left = value & 0x000000ff;
431 int right = (value & 0x0000ff00) >> 8;
432 int bLeft, bRight;
433 int wLeft, wRight;
434 int updatemaster = 0;
435
436 if (d > 31)
437 return -EINVAL;
438
439 bLeft = left * 0xff / 100;
440 wLeft = left * 0xffff / 100;
441
442 bRight = right * 0xff / 100;
443 wRight = right * 0xffff / 100;
444
445 dev.left_levels[d] = wLeft;
446 dev.right_levels[d] = wRight;
447
448 switch (d) {
449 /* master volume unscaled controls */
450 case SOUND_MIXER_LINE: /* line pot control */
451 /* scaled by IMIX in digital mix */
452 writeb(bLeft, dev.SMA + SMA_bInPotPosLeft);
453 writeb(bRight, dev.SMA + SMA_bInPotPosRight);
454 if (msnd_send_word(&dev, 0, 0, HDEXAR_IN_SET_POTS) == 0)
455 chk_send_dsp_cmd(&dev, HDEX_AUX_REQ);
456 break;
457 #ifndef MSND_CLASSIC
458 case SOUND_MIXER_MIC: /* mic pot control */
459 /* scaled by IMIX in digital mix */
460 writeb(bLeft, dev.SMA + SMA_bMicPotPosLeft);
461 writeb(bRight, dev.SMA + SMA_bMicPotPosRight);
462 if (msnd_send_word(&dev, 0, 0, HDEXAR_MIC_SET_POTS) == 0)
463 chk_send_dsp_cmd(&dev, HDEX_AUX_REQ);
464 break;
465 #endif
466 case SOUND_MIXER_VOLUME: /* master volume */
467 writew(wLeft, dev.SMA + SMA_wCurrMastVolLeft);
468 writew(wRight, dev.SMA + SMA_wCurrMastVolRight);
469 /* fall through */
470
471 case SOUND_MIXER_LINE1: /* aux pot control */
472 /* scaled by master volume */
473 /* fall through */
474
475 /* digital controls */
476 case SOUND_MIXER_SYNTH: /* synth vol (dsp mix) */
477 case SOUND_MIXER_PCM: /* pcm vol (dsp mix) */
478 case SOUND_MIXER_IMIX: /* input monitor (dsp mix) */
479 /* scaled by master volume */
480 updatemaster = 1;
481 break;
482
483 default:
484 return 0;
485 }
486
487 if (updatemaster) {
488 /* update master volume scaled controls */
489 update_volm(SOUND_MIXER_PCM, wCurrPlayVol);
490 update_volm(SOUND_MIXER_IMIX, wCurrInVol);
491 #ifndef MSND_CLASSIC
492 update_volm(SOUND_MIXER_SYNTH, wCurrMHdrVol);
493 #endif
494 update_potm(SOUND_MIXER_LINE1, bAuxPotPos, HDEXAR_AUX_SET_POTS);
495 }
496
497 return mixer_get(d);
498 }
499
500 static void mixer_setup(void)
501 {
502 update_pot(SOUND_MIXER_LINE, bInPotPos, HDEXAR_IN_SET_POTS);
503 update_potm(SOUND_MIXER_LINE1, bAuxPotPos, HDEXAR_AUX_SET_POTS);
504 update_volm(SOUND_MIXER_PCM, wCurrPlayVol);
505 update_volm(SOUND_MIXER_IMIX, wCurrInVol);
506 #ifndef MSND_CLASSIC
507 update_pot(SOUND_MIXER_MIC, bMicPotPos, HDEXAR_MIC_SET_POTS);
508 update_volm(SOUND_MIXER_SYNTH, wCurrMHdrVol);
509 #endif
510 }
511
512 static unsigned long set_recsrc(unsigned long recsrc)
513 {
514 if (dev.recsrc == recsrc)
515 return dev.recsrc;
516 #ifdef HAVE_NORECSRC
517 else if (recsrc == 0)
518 dev.recsrc = 0;
519 #endif
520 else
521 dev.recsrc ^= recsrc;
522
523 #ifndef MSND_CLASSIC
524 if (dev.recsrc & SOUND_MASK_IMIX) {
525 if (msnd_send_word(&dev, 0, 0, HDEXAR_SET_ANA_IN) == 0)
526 chk_send_dsp_cmd(&dev, HDEX_AUX_REQ);
527 }
528 else if (dev.recsrc & SOUND_MASK_SYNTH) {
529 if (msnd_send_word(&dev, 0, 0, HDEXAR_SET_SYNTH_IN) == 0)
530 chk_send_dsp_cmd(&dev, HDEX_AUX_REQ);
531 }
532 else if ((dev.recsrc & SOUND_MASK_DIGITAL1) && test_bit(F_HAVEDIGITAL, &dev.flags)) {
533 if (msnd_send_word(&dev, 0, 0, HDEXAR_SET_DAT_IN) == 0)
534 chk_send_dsp_cmd(&dev, HDEX_AUX_REQ);
535 }
536 else {
537 #ifdef HAVE_NORECSRC
538 /* Select no input (?) */
539 dev.recsrc = 0;
540 #else
541 dev.recsrc = SOUND_MASK_IMIX;
542 if (msnd_send_word(&dev, 0, 0, HDEXAR_SET_ANA_IN) == 0)
543 chk_send_dsp_cmd(&dev, HDEX_AUX_REQ);
544 #endif
545 }
546 #endif /* MSND_CLASSIC */
547
548 return dev.recsrc;
549 }
550
551 static unsigned long force_recsrc(unsigned long recsrc)
552 {
553 dev.recsrc = 0;
554 return set_recsrc(recsrc);
555 }
556
557 #define set_mixer_info() \
558 memset(&info, 0, sizeof(info)); \
559 strlcpy(info.id, "MSNDMIXER", sizeof(info.id)); \
560 strlcpy(info.name, "MultiSound Mixer", sizeof(info.name));
561
562 static int mixer_ioctl(unsigned int cmd, unsigned long arg)
563 {
564 if (cmd == SOUND_MIXER_INFO) {
565 mixer_info info;
566 set_mixer_info();
567 info.modify_counter = dev.mixer_mod_count;
568 if (copy_to_user((void __user *)arg, &info, sizeof(info)))
569 return -EFAULT;
570 return 0;
571 } else if (cmd == SOUND_OLD_MIXER_INFO) {
572 _old_mixer_info info;
573 set_mixer_info();
574 if (copy_to_user((void __user *)arg, &info, sizeof(info)))
575 return -EFAULT;
576 return 0;
577 } else if (cmd == SOUND_MIXER_PRIVATE1) {
578 dev.nresets = 0;
579 dsp_full_reset();
580 return 0;
581 } else if (((cmd >> 8) & 0xff) == 'M') {
582 int val = 0;
583
584 if (_SIOC_DIR(cmd) & _SIOC_WRITE) {
585 switch (cmd & 0xff) {
586 case SOUND_MIXER_RECSRC:
587 if (get_user(val, (int __user *)arg))
588 return -EFAULT;
589 val = set_recsrc(val);
590 break;
591
592 default:
593 if (get_user(val, (int __user *)arg))
594 return -EFAULT;
595 val = mixer_set(cmd & 0xff, val);
596 break;
597 }
598 ++dev.mixer_mod_count;
599 return put_user(val, (int __user *)arg);
600 } else {
601 switch (cmd & 0xff) {
602 case SOUND_MIXER_RECSRC:
603 val = dev.recsrc;
604 break;
605
606 case SOUND_MIXER_DEVMASK:
607 case SOUND_MIXER_STEREODEVS:
608 val = SOUND_MASK_PCM |
609 SOUND_MASK_LINE |
610 SOUND_MASK_IMIX |
611 SOUND_MASK_LINE1 |
612 #ifndef MSND_CLASSIC
613 SOUND_MASK_MIC |
614 SOUND_MASK_SYNTH |
615 #endif
616 SOUND_MASK_VOLUME;
617 break;
618
619 case SOUND_MIXER_RECMASK:
620 #ifdef MSND_CLASSIC
621 val = 0;
622 #else
623 val = SOUND_MASK_IMIX |
624 SOUND_MASK_SYNTH;
625 if (test_bit(F_HAVEDIGITAL, &dev.flags))
626 val |= SOUND_MASK_DIGITAL1;
627 #endif
628 break;
629
630 case SOUND_MIXER_CAPS:
631 val = SOUND_CAP_EXCL_INPUT;
632 break;
633
634 default:
635 if ((val = mixer_get(cmd & 0xff)) < 0)
636 return -EINVAL;
637 break;
638 }
639 }
640
641 return put_user(val, (int __user *)arg);
642 }
643
644 return -EINVAL;
645 }
646
647 static int dev_ioctl(struct inode *inode, struct file *file, unsigned int cmd, unsigned long arg)
648 {
649 int minor = iminor(inode);
650
651 if (cmd == OSS_GETVERSION) {
652 int sound_version = SOUND_VERSION;
653 return put_user(sound_version, (int __user *)arg);
654 }
655
656 if (minor == dev.dsp_minor)
657 return dsp_ioctl(file, cmd, arg);
658 else if (minor == dev.mixer_minor)
659 return mixer_ioctl(cmd, arg);
660
661 return -EINVAL;
662 }
663
664 static void dsp_write_flush(void)
665 {
666 if (!(dev.mode & FMODE_WRITE) || !test_bit(F_WRITING, &dev.flags))
667 return;
668 set_bit(F_WRITEFLUSH, &dev.flags);
669 interruptible_sleep_on_timeout(
670 &dev.writeflush,
671 get_play_delay_jiffies(dev.DAPF.len));
672 clear_bit(F_WRITEFLUSH, &dev.flags);
673 if (!signal_pending(current)) {
674 current->state = TASK_INTERRUPTIBLE;
675 schedule_timeout(get_play_delay_jiffies(DAP_BUFF_SIZE));
676 }
677 clear_bit(F_WRITING, &dev.flags);
678 }
679
680 static void dsp_halt(struct file *file)
681 {
682 if ((file ? file->f_mode : dev.mode) & FMODE_READ) {
683 clear_bit(F_READING, &dev.flags);
684 chk_send_dsp_cmd(&dev, HDEX_RECORD_STOP);
685 msnd_disable_irq(&dev);
686 if (file) {
687 printk(KERN_DEBUG LOGNAME ": Stopping read for %p\n", file);
688 dev.mode &= ~FMODE_READ;
689 }
690 clear_bit(F_AUDIO_READ_INUSE, &dev.flags);
691 }
692 if ((file ? file->f_mode : dev.mode) & FMODE_WRITE) {
693 if (test_bit(F_WRITING, &dev.flags)) {
694 dsp_write_flush();
695 chk_send_dsp_cmd(&dev, HDEX_PLAY_STOP);
696 }
697 msnd_disable_irq(&dev);
698 if (file) {
699 printk(KERN_DEBUG LOGNAME ": Stopping write for %p\n", file);
700 dev.mode &= ~FMODE_WRITE;
701 }
702 clear_bit(F_AUDIO_WRITE_INUSE, &dev.flags);
703 }
704 }
705
706 static int dsp_release(struct file *file)
707 {
708 dsp_halt(file);
709 return 0;
710 }
711
712 static int dsp_open(struct file *file)
713 {
714 if ((file ? file->f_mode : dev.mode) & FMODE_WRITE) {
715 set_bit(F_AUDIO_WRITE_INUSE, &dev.flags);
716 clear_bit(F_WRITING, &dev.flags);
717 msnd_fifo_make_empty(&dev.DAPF);
718 reset_play_queue();
719 if (file) {
720 printk(KERN_DEBUG LOGNAME ": Starting write for %p\n", file);
721 dev.mode |= FMODE_WRITE;
722 }
723 msnd_enable_irq(&dev);
724 }
725 if ((file ? file->f_mode : dev.mode) & FMODE_READ) {
726 set_bit(F_AUDIO_READ_INUSE, &dev.flags);
727 clear_bit(F_READING, &dev.flags);
728 msnd_fifo_make_empty(&dev.DARF);
729 reset_record_queue();
730 if (file) {
731 printk(KERN_DEBUG LOGNAME ": Starting read for %p\n", file);
732 dev.mode |= FMODE_READ;
733 }
734 msnd_enable_irq(&dev);
735 }
736 return 0;
737 }
738
739 static void set_default_play_audio_parameters(void)
740 {
741 dev.play_sample_size = DEFSAMPLESIZE;
742 dev.play_sample_rate = DEFSAMPLERATE;
743 dev.play_channels = DEFCHANNELS;
744 }
745
746 static void set_default_rec_audio_parameters(void)
747 {
748 dev.rec_sample_size = DEFSAMPLESIZE;
749 dev.rec_sample_rate = DEFSAMPLERATE;
750 dev.rec_channels = DEFCHANNELS;
751 }
752
753 static void set_default_audio_parameters(void)
754 {
755 set_default_play_audio_parameters();
756 set_default_rec_audio_parameters();
757 }
758
759 static int dev_open(struct inode *inode, struct file *file)
760 {
761 int minor = iminor(inode);
762 int err = 0;
763
764 if (minor == dev.dsp_minor) {
765 if ((file->f_mode & FMODE_WRITE &&
766 test_bit(F_AUDIO_WRITE_INUSE, &dev.flags)) ||
767 (file->f_mode & FMODE_READ &&
768 test_bit(F_AUDIO_READ_INUSE, &dev.flags)))
769 return -EBUSY;
770
771 if ((err = dsp_open(file)) >= 0) {
772 dev.nresets = 0;
773 if (file->f_mode & FMODE_WRITE) {
774 set_default_play_audio_parameters();
775 if (!test_bit(F_DISABLE_WRITE_NDELAY, &dev.flags))
776 dev.play_ndelay = (file->f_flags & O_NDELAY) ? 1 : 0;
777 else
778 dev.play_ndelay = 0;
779 }
780 if (file->f_mode & FMODE_READ) {
781 set_default_rec_audio_parameters();
782 dev.rec_ndelay = (file->f_flags & O_NDELAY) ? 1 : 0;
783 }
784 }
785 }
786 else if (minor == dev.mixer_minor) {
787 /* nothing */
788 } else
789 err = -EINVAL;
790
791 return err;
792 }
793
794 static int dev_release(struct inode *inode, struct file *file)
795 {
796 int minor = iminor(inode);
797 int err = 0;
798
799 lock_kernel();
800 if (minor == dev.dsp_minor)
801 err = dsp_release(file);
802 else if (minor == dev.mixer_minor) {
803 /* nothing */
804 } else
805 err = -EINVAL;
806 unlock_kernel();
807 return err;
808 }
809
810 static __inline__ int pack_DARQ_to_DARF(register int bank)
811 {
812 register int size, timeout = 3;
813 register WORD wTmp;
814 LPDAQD DAQD;
815
816 /* Increment the tail and check for queue wrap */
817 wTmp = readw(dev.DARQ + JQS_wTail) + PCTODSP_OFFSET(DAQDS__size);
818 if (wTmp > readw(dev.DARQ + JQS_wSize))
819 wTmp = 0;
820 while (wTmp == readw(dev.DARQ + JQS_wHead) && timeout--)
821 udelay(1);
822 writew(wTmp, dev.DARQ + JQS_wTail);
823
824 /* Get our digital audio queue struct */
825 DAQD = bank * DAQDS__size + dev.base + DARQ_DATA_BUFF;
826
827 /* Get length of data */
828 size = readw(DAQD + DAQDS_wSize);
829
830 /* Read data from the head (unprotected bank 1 access okay
831 since this is only called inside an interrupt) */
832 msnd_outb(HPBLKSEL_1, dev.io + HP_BLKS);
833 msnd_fifo_write_io(
834 &dev.DARF,
835 dev.base + bank * DAR_BUFF_SIZE,
836 size);
837 msnd_outb(HPBLKSEL_0, dev.io + HP_BLKS);
838
839 return 1;
840 }
841
842 static __inline__ int pack_DAPF_to_DAPQ(register int start)
843 {
844 register WORD DAPQ_tail;
845 register int protect = start, nbanks = 0;
846 LPDAQD DAQD;
847
848 DAPQ_tail = readw(dev.DAPQ + JQS_wTail);
849 while (DAPQ_tail != readw(dev.DAPQ + JQS_wHead) || start) {
850 register int bank_num = DAPQ_tail / PCTODSP_OFFSET(DAQDS__size);
851 register int n;
852 unsigned long flags;
853
854 /* Write the data to the new tail */
855 if (protect) {
856 /* Critical section: protect fifo in non-interrupt */
857 spin_lock_irqsave(&dev.lock, flags);
858 n = msnd_fifo_read_io(
859 &dev.DAPF,
860 dev.base + bank_num * DAP_BUFF_SIZE,
861 DAP_BUFF_SIZE);
862 spin_unlock_irqrestore(&dev.lock, flags);
863 } else {
864 n = msnd_fifo_read_io(
865 &dev.DAPF,
866 dev.base + bank_num * DAP_BUFF_SIZE,
867 DAP_BUFF_SIZE);
868 }
869 if (!n)
870 break;
871
872 if (start)
873 start = 0;
874
875 /* Get our digital audio queue struct */
876 DAQD = bank_num * DAQDS__size + dev.base + DAPQ_DATA_BUFF;
877
878 /* Write size of this bank */
879 writew(n, DAQD + DAQDS_wSize);
880 ++nbanks;
881
882 /* Then advance the tail */
883 DAPQ_tail = (++bank_num % 3) * PCTODSP_OFFSET(DAQDS__size);
884 writew(DAPQ_tail, dev.DAPQ + JQS_wTail);
885 /* Tell the DSP to play the bank */
886 msnd_send_dsp_cmd(&dev, HDEX_PLAY_START);
887 }
888 return nbanks;
889 }
890
891 static int dsp_read(char __user *buf, size_t len)
892 {
893 int count = len;
894 char *page = (char *)__get_free_page(GFP_KERNEL);
895
896 if (!page)
897 return -ENOMEM;
898
899 while (count > 0) {
900 int n, k;
901 unsigned long flags;
902
903 k = PAGE_SIZE;
904 if (k > count)
905 k = count;
906
907 /* Critical section: protect fifo in non-interrupt */
908 spin_lock_irqsave(&dev.lock, flags);
909 n = msnd_fifo_read(&dev.DARF, page, k);
910 spin_unlock_irqrestore(&dev.lock, flags);
911 if (copy_to_user(buf, page, n)) {
912 free_page((unsigned long)page);
913 return -EFAULT;
914 }
915 buf += n;
916 count -= n;
917
918 if (n == k && count)
919 continue;
920
921 if (!test_bit(F_READING, &dev.flags) && dev.mode & FMODE_READ) {
922 dev.last_recbank = -1;
923 if (chk_send_dsp_cmd(&dev, HDEX_RECORD_START) == 0)
924 set_bit(F_READING, &dev.flags);
925 }
926
927 if (dev.rec_ndelay) {
928 free_page((unsigned long)page);
929 return count == len ? -EAGAIN : len - count;
930 }
931
932 if (count > 0) {
933 set_bit(F_READBLOCK, &dev.flags);
934 if (!interruptible_sleep_on_timeout(
935 &dev.readblock,
936 get_rec_delay_jiffies(DAR_BUFF_SIZE)))
937 clear_bit(F_READING, &dev.flags);
938 clear_bit(F_READBLOCK, &dev.flags);
939 if (signal_pending(current)) {
940 free_page((unsigned long)page);
941 return -EINTR;
942 }
943 }
944 }
945 free_page((unsigned long)page);
946 return len - count;
947 }
948
949 static int dsp_write(const char __user *buf, size_t len)
950 {
951 int count = len;
952 char *page = (char *)__get_free_page(GFP_KERNEL);
953
954 if (!page)
955 return -ENOMEM;
956
957 while (count > 0) {
958 int n, k;
959 unsigned long flags;
960
961 k = PAGE_SIZE;
962 if (k > count)
963 k = count;
964
965 if (copy_from_user(page, buf, k)) {
966 free_page((unsigned long)page);
967 return -EFAULT;
968 }
969
970 /* Critical section: protect fifo in non-interrupt */
971 spin_lock_irqsave(&dev.lock, flags);
972 n = msnd_fifo_write(&dev.DAPF, page, k);
973 spin_unlock_irqrestore(&dev.lock, flags);
974 buf += n;
975 count -= n;
976
977 if (count && n == k)
978 continue;
979
980 if (!test_bit(F_WRITING, &dev.flags) && (dev.mode & FMODE_WRITE)) {
981 dev.last_playbank = -1;
982 if (pack_DAPF_to_DAPQ(1) > 0)
983 set_bit(F_WRITING, &dev.flags);
984 }
985
986 if (dev.play_ndelay) {
987 free_page((unsigned long)page);
988 return count == len ? -EAGAIN : len - count;
989 }
990
991 if (count > 0) {
992 set_bit(F_WRITEBLOCK, &dev.flags);
993 interruptible_sleep_on_timeout(
994 &dev.writeblock,
995 get_play_delay_jiffies(DAP_BUFF_SIZE));
996 clear_bit(F_WRITEBLOCK, &dev.flags);
997 if (signal_pending(current)) {
998 free_page((unsigned long)page);
999 return -EINTR;
1000 }
1001 }
1002 }
1003
1004 free_page((unsigned long)page);
1005 return len - count;
1006 }
1007
1008 static ssize_t dev_read(struct file *file, char __user *buf, size_t count, loff_t *off)
1009 {
1010 int minor = iminor(file->f_path.dentry->d_inode);
1011 if (minor == dev.dsp_minor)
1012 return dsp_read(buf, count);
1013 else
1014 return -EINVAL;
1015 }
1016
1017 static ssize_t dev_write(struct file *file, const char __user *buf, size_t count, loff_t *off)
1018 {
1019 int minor = iminor(file->f_path.dentry->d_inode);
1020 if (minor == dev.dsp_minor)
1021 return dsp_write(buf, count);
1022 else
1023 return -EINVAL;
1024 }
1025
1026 static __inline__ void eval_dsp_msg(register WORD wMessage)
1027 {
1028 switch (HIBYTE(wMessage)) {
1029 case HIMT_PLAY_DONE:
1030 if (dev.last_playbank == LOBYTE(wMessage) || !test_bit(F_WRITING, &dev.flags))
1031 break;
1032 dev.last_playbank = LOBYTE(wMessage);
1033
1034 if (pack_DAPF_to_DAPQ(0) <= 0) {
1035 if (!test_bit(F_WRITEBLOCK, &dev.flags)) {
1036 if (test_and_clear_bit(F_WRITEFLUSH, &dev.flags))
1037 wake_up_interruptible(&dev.writeflush);
1038 }
1039 clear_bit(F_WRITING, &dev.flags);
1040 }
1041
1042 if (test_bit(F_WRITEBLOCK, &dev.flags))
1043 wake_up_interruptible(&dev.writeblock);
1044 break;
1045
1046 case HIMT_RECORD_DONE:
1047 if (dev.last_recbank == LOBYTE(wMessage))
1048 break;
1049 dev.last_recbank = LOBYTE(wMessage);
1050
1051 pack_DARQ_to_DARF(dev.last_recbank);
1052
1053 if (test_bit(F_READBLOCK, &dev.flags))
1054 wake_up_interruptible(&dev.readblock);
1055 break;
1056
1057 case HIMT_DSP:
1058 switch (LOBYTE(wMessage)) {
1059 #ifndef MSND_CLASSIC
1060 case HIDSP_PLAY_UNDER:
1061 #endif
1062 case HIDSP_INT_PLAY_UNDER:
1063 /* printk(KERN_DEBUG LOGNAME ": Play underflow\n"); */
1064 clear_bit(F_WRITING, &dev.flags);
1065 break;
1066
1067 case HIDSP_INT_RECORD_OVER:
1068 /* printk(KERN_DEBUG LOGNAME ": Record overflow\n"); */
1069 clear_bit(F_READING, &dev.flags);
1070 break;
1071
1072 default:
1073 /* printk(KERN_DEBUG LOGNAME ": DSP message %d 0x%02x\n",
1074 LOBYTE(wMessage), LOBYTE(wMessage)); */
1075 break;
1076 }
1077 break;
1078
1079 case HIMT_MIDI_IN_UCHAR:
1080 if (dev.midi_in_interrupt)
1081 (*dev.midi_in_interrupt)(&dev);
1082 break;
1083
1084 default:
1085 /* printk(KERN_DEBUG LOGNAME ": HIMT message %d 0x%02x\n", HIBYTE(wMessage), HIBYTE(wMessage)); */
1086 break;
1087 }
1088 }
1089
1090 static irqreturn_t intr(int irq, void *dev_id)
1091 {
1092 /* Send ack to DSP */
1093 msnd_inb(dev.io + HP_RXL);
1094
1095 /* Evaluate queued DSP messages */
1096 while (readw(dev.DSPQ + JQS_wTail) != readw(dev.DSPQ + JQS_wHead)) {
1097 register WORD wTmp;
1098
1099 eval_dsp_msg(readw(dev.pwDSPQData + 2*readw(dev.DSPQ + JQS_wHead)));
1100
1101 if ((wTmp = readw(dev.DSPQ + JQS_wHead) + 1) > readw(dev.DSPQ + JQS_wSize))
1102 writew(0, dev.DSPQ + JQS_wHead);
1103 else
1104 writew(wTmp, dev.DSPQ + JQS_wHead);
1105 }
1106 return IRQ_HANDLED;
1107 }
1108
1109 static const struct file_operations dev_fileops = {
1110 .owner = THIS_MODULE,
1111 .read = dev_read,
1112 .write = dev_write,
1113 .ioctl = dev_ioctl,
1114 .open = dev_open,
1115 .release = dev_release,
1116 };
1117
1118 static int reset_dsp(void)
1119 {
1120 int timeout = 100;
1121
1122 msnd_outb(HPDSPRESET_ON, dev.io + HP_DSPR);
1123 mdelay(1);
1124 #ifndef MSND_CLASSIC
1125 dev.info = msnd_inb(dev.io + HP_INFO);
1126 #endif
1127 msnd_outb(HPDSPRESET_OFF, dev.io + HP_DSPR);
1128 mdelay(1);
1129 while (timeout-- > 0) {
1130 if (msnd_inb(dev.io + HP_CVR) == HP_CVR_DEF)
1131 return 0;
1132 mdelay(1);
1133 }
1134 printk(KERN_ERR LOGNAME ": Cannot reset DSP\n");
1135
1136 return -EIO;
1137 }
1138
1139 static int __init probe_multisound(void)
1140 {
1141 #ifndef MSND_CLASSIC
1142 char *xv, *rev = NULL;
1143 char *pin = "Pinnacle", *fiji = "Fiji";
1144 char *pinfiji = "Pinnacle/Fiji";
1145 #endif
1146
1147 if (!request_region(dev.io, dev.numio, "probing")) {
1148 printk(KERN_ERR LOGNAME ": I/O port conflict\n");
1149 return -ENODEV;
1150 }
1151
1152 if (reset_dsp() < 0) {
1153 release_region(dev.io, dev.numio);
1154 return -ENODEV;
1155 }
1156
1157 #ifdef MSND_CLASSIC
1158 dev.name = "Classic/Tahiti/Monterey";
1159 printk(KERN_INFO LOGNAME ": %s, "
1160 #else
1161 switch (dev.info >> 4) {
1162 case 0xf: xv = "<= 1.15"; break;
1163 case 0x1: xv = "1.18/1.2"; break;
1164 case 0x2: xv = "1.3"; break;
1165 case 0x3: xv = "1.4"; break;
1166 default: xv = "unknown"; break;
1167 }
1168
1169 switch (dev.info & 0x7) {
1170 case 0x0: rev = "I"; dev.name = pin; break;
1171 case 0x1: rev = "F"; dev.name = pin; break;
1172 case 0x2: rev = "G"; dev.name = pin; break;
1173 case 0x3: rev = "H"; dev.name = pin; break;
1174 case 0x4: rev = "E"; dev.name = fiji; break;
1175 case 0x5: rev = "C"; dev.name = fiji; break;
1176 case 0x6: rev = "D"; dev.name = fiji; break;
1177 case 0x7:
1178 rev = "A-B (Fiji) or A-E (Pinnacle)";
1179 dev.name = pinfiji;
1180 break;
1181 }
1182 printk(KERN_INFO LOGNAME ": %s revision %s, Xilinx version %s, "
1183 #endif /* MSND_CLASSIC */
1184 "I/O 0x%x-0x%x, IRQ %d, memory mapped to %p-%p\n",
1185 dev.name,
1186 #ifndef MSND_CLASSIC
1187 rev, xv,
1188 #endif
1189 dev.io, dev.io + dev.numio - 1,
1190 dev.irq,
1191 dev.base, dev.base + 0x7fff);
1192
1193 release_region(dev.io, dev.numio);
1194 return 0;
1195 }
1196
1197 static int init_sma(void)
1198 {
1199 static int initted;
1200 WORD mastVolLeft, mastVolRight;
1201 unsigned long flags;
1202
1203 #ifdef MSND_CLASSIC
1204 msnd_outb(dev.memid, dev.io + HP_MEMM);
1205 #endif
1206 msnd_outb(HPBLKSEL_0, dev.io + HP_BLKS);
1207 if (initted) {
1208 mastVolLeft = readw(dev.SMA + SMA_wCurrMastVolLeft);
1209 mastVolRight = readw(dev.SMA + SMA_wCurrMastVolRight);
1210 } else
1211 mastVolLeft = mastVolRight = 0;
1212 memset_io(dev.base, 0, 0x8000);
1213
1214 /* Critical section: bank 1 access */
1215 spin_lock_irqsave(&dev.lock, flags);
1216 msnd_outb(HPBLKSEL_1, dev.io + HP_BLKS);
1217 memset_io(dev.base, 0, 0x8000);
1218 msnd_outb(HPBLKSEL_0, dev.io + HP_BLKS);
1219 spin_unlock_irqrestore(&dev.lock, flags);
1220
1221 dev.pwDSPQData = (dev.base + DSPQ_DATA_BUFF);
1222 dev.pwMODQData = (dev.base + MODQ_DATA_BUFF);
1223 dev.pwMIDQData = (dev.base + MIDQ_DATA_BUFF);
1224
1225 /* Motorola 56k shared memory base */
1226 dev.SMA = dev.base + SMA_STRUCT_START;
1227
1228 /* Digital audio play queue */
1229 dev.DAPQ = dev.base + DAPQ_OFFSET;
1230 msnd_init_queue(dev.DAPQ, DAPQ_DATA_BUFF, DAPQ_BUFF_SIZE);
1231
1232 /* Digital audio record queue */
1233 dev.DARQ = dev.base + DARQ_OFFSET;
1234 msnd_init_queue(dev.DARQ, DARQ_DATA_BUFF, DARQ_BUFF_SIZE);
1235
1236 /* MIDI out queue */
1237 dev.MODQ = dev.base + MODQ_OFFSET;
1238 msnd_init_queue(dev.MODQ, MODQ_DATA_BUFF, MODQ_BUFF_SIZE);
1239
1240 /* MIDI in queue */
1241 dev.MIDQ = dev.base + MIDQ_OFFSET;
1242 msnd_init_queue(dev.MIDQ, MIDQ_DATA_BUFF, MIDQ_BUFF_SIZE);
1243
1244 /* DSP -> host message queue */
1245 dev.DSPQ = dev.base + DSPQ_OFFSET;
1246 msnd_init_queue(dev.DSPQ, DSPQ_DATA_BUFF, DSPQ_BUFF_SIZE);
1247
1248 /* Setup some DSP values */
1249 #ifndef MSND_CLASSIC
1250 writew(1, dev.SMA + SMA_wCurrPlayFormat);
1251 writew(dev.play_sample_size, dev.SMA + SMA_wCurrPlaySampleSize);
1252 writew(dev.play_channels, dev.SMA + SMA_wCurrPlayChannels);
1253 writew(dev.play_sample_rate, dev.SMA + SMA_wCurrPlaySampleRate);
1254 #endif
1255 writew(dev.play_sample_rate, dev.SMA + SMA_wCalFreqAtoD);
1256 writew(mastVolLeft, dev.SMA + SMA_wCurrMastVolLeft);
1257 writew(mastVolRight, dev.SMA + SMA_wCurrMastVolRight);
1258 #ifndef MSND_CLASSIC
1259 writel(0x00010000, dev.SMA + SMA_dwCurrPlayPitch);
1260 writel(0x00000001, dev.SMA + SMA_dwCurrPlayRate);
1261 #endif
1262 writew(0x303, dev.SMA + SMA_wCurrInputTagBits);
1263
1264 initted = 1;
1265
1266 return 0;
1267 }
1268
1269 static int __init calibrate_adc(WORD srate)
1270 {
1271 writew(srate, dev.SMA + SMA_wCalFreqAtoD);
1272 if (dev.calibrate_signal == 0)
1273 writew(readw(dev.SMA + SMA_wCurrHostStatusFlags)
1274 | 0x0001, dev.SMA + SMA_wCurrHostStatusFlags);
1275 else
1276 writew(readw(dev.SMA + SMA_wCurrHostStatusFlags)
1277 & ~0x0001, dev.SMA + SMA_wCurrHostStatusFlags);
1278 if (msnd_send_word(&dev, 0, 0, HDEXAR_CAL_A_TO_D) == 0 &&
1279 chk_send_dsp_cmd(&dev, HDEX_AUX_REQ) == 0) {
1280 current->state = TASK_INTERRUPTIBLE;
1281 schedule_timeout(HZ / 3);
1282 return 0;
1283 }
1284 printk(KERN_WARNING LOGNAME ": ADC calibration failed\n");
1285
1286 return -EIO;
1287 }
1288
1289 static int upload_dsp_code(void)
1290 {
1291 msnd_outb(HPBLKSEL_0, dev.io + HP_BLKS);
1292 #ifndef HAVE_DSPCODEH
1293 INITCODESIZE = mod_firmware_load(INITCODEFILE, &INITCODE);
1294 if (!INITCODE) {
1295 printk(KERN_ERR LOGNAME ": Error loading " INITCODEFILE);
1296 return -EBUSY;
1297 }
1298
1299 PERMCODESIZE = mod_firmware_load(PERMCODEFILE, &PERMCODE);
1300 if (!PERMCODE) {
1301 printk(KERN_ERR LOGNAME ": Error loading " PERMCODEFILE);
1302 vfree(INITCODE);
1303 return -EBUSY;
1304 }
1305 #endif
1306 memcpy_toio(dev.base, PERMCODE, PERMCODESIZE);
1307 if (msnd_upload_host(&dev, INITCODE, INITCODESIZE) < 0) {
1308 printk(KERN_WARNING LOGNAME ": Error uploading to DSP\n");
1309 return -ENODEV;
1310 }
1311 #ifdef HAVE_DSPCODEH
1312 printk(KERN_INFO LOGNAME ": DSP firmware uploaded (resident)\n");
1313 #else
1314 printk(KERN_INFO LOGNAME ": DSP firmware uploaded\n");
1315 #endif
1316
1317 #ifndef HAVE_DSPCODEH
1318 vfree(INITCODE);
1319 vfree(PERMCODE);
1320 #endif
1321
1322 return 0;
1323 }
1324
1325 #ifdef MSND_CLASSIC
1326 static void reset_proteus(void)
1327 {
1328 msnd_outb(HPPRORESET_ON, dev.io + HP_PROR);
1329 mdelay(TIME_PRO_RESET);
1330 msnd_outb(HPPRORESET_OFF, dev.io + HP_PROR);
1331 mdelay(TIME_PRO_RESET_DONE);
1332 }
1333 #endif
1334
1335 static int initialize(void)
1336 {
1337 int err, timeout;
1338
1339 #ifdef MSND_CLASSIC
1340 msnd_outb(HPWAITSTATE_0, dev.io + HP_WAIT);
1341 msnd_outb(HPBITMODE_16, dev.io + HP_BITM);
1342
1343 reset_proteus();
1344 #endif
1345 if ((err = init_sma()) < 0) {
1346 printk(KERN_WARNING LOGNAME ": Cannot initialize SMA\n");
1347 return err;
1348 }
1349
1350 if ((err = reset_dsp()) < 0)
1351 return err;
1352
1353 if ((err = upload_dsp_code()) < 0) {
1354 printk(KERN_WARNING LOGNAME ": Cannot upload DSP code\n");
1355 return err;
1356 }
1357
1358 timeout = 200;
1359 while (readw(dev.base)) {
1360 mdelay(1);
1361 if (!timeout--) {
1362 printk(KERN_DEBUG LOGNAME ": DSP reset timeout\n");
1363 return -EIO;
1364 }
1365 }
1366
1367 mixer_setup();
1368
1369 return 0;
1370 }
1371
1372 static int dsp_full_reset(void)
1373 {
1374 int rv;
1375
1376 if (test_bit(F_RESETTING, &dev.flags) || ++dev.nresets > 10)
1377 return 0;
1378
1379 set_bit(F_RESETTING, &dev.flags);
1380 printk(KERN_INFO LOGNAME ": DSP reset\n");
1381 dsp_halt(NULL); /* Unconditionally halt */
1382 if ((rv = initialize()))
1383 printk(KERN_WARNING LOGNAME ": DSP reset failed\n");
1384 force_recsrc(dev.recsrc);
1385 dsp_open(NULL);
1386 clear_bit(F_RESETTING, &dev.flags);
1387
1388 return rv;
1389 }
1390
1391 static int __init attach_multisound(void)
1392 {
1393 int err;
1394
1395 if ((err = request_irq(dev.irq, intr, 0, dev.name, &dev)) < 0) {
1396 printk(KERN_ERR LOGNAME ": Couldn't grab IRQ %d\n", dev.irq);
1397 return err;
1398 }
1399 request_region(dev.io, dev.numio, dev.name);
1400
1401 if ((err = dsp_full_reset()) < 0) {
1402 release_region(dev.io, dev.numio);
1403 free_irq(dev.irq, &dev);
1404 return err;
1405 }
1406
1407 if ((err = msnd_register(&dev)) < 0) {
1408 printk(KERN_ERR LOGNAME ": Unable to register MultiSound\n");
1409 release_region(dev.io, dev.numio);
1410 free_irq(dev.irq, &dev);
1411 return err;
1412 }
1413
1414 if ((dev.dsp_minor = register_sound_dsp(&dev_fileops, -1)) < 0) {
1415 printk(KERN_ERR LOGNAME ": Unable to register DSP operations\n");
1416 msnd_unregister(&dev);
1417 release_region(dev.io, dev.numio);
1418 free_irq(dev.irq, &dev);
1419 return dev.dsp_minor;
1420 }
1421
1422 if ((dev.mixer_minor = register_sound_mixer(&dev_fileops, -1)) < 0) {
1423 printk(KERN_ERR LOGNAME ": Unable to register mixer operations\n");
1424 unregister_sound_mixer(dev.mixer_minor);
1425 msnd_unregister(&dev);
1426 release_region(dev.io, dev.numio);
1427 free_irq(dev.irq, &dev);
1428 return dev.mixer_minor;
1429 }
1430
1431 dev.ext_midi_dev = dev.hdr_midi_dev = -1;
1432
1433 disable_irq(dev.irq);
1434 calibrate_adc(dev.play_sample_rate);
1435 #ifndef MSND_CLASSIC
1436 force_recsrc(SOUND_MASK_IMIX);
1437 #endif
1438
1439 return 0;
1440 }
1441
1442 static void __exit unload_multisound(void)
1443 {
1444 release_region(dev.io, dev.numio);
1445 free_irq(dev.irq, &dev);
1446 unregister_sound_mixer(dev.mixer_minor);
1447 unregister_sound_dsp(dev.dsp_minor);
1448 msnd_unregister(&dev);
1449 }
1450
1451 #ifndef MSND_CLASSIC
1452
1453 /* Pinnacle/Fiji Logical Device Configuration */
1454
1455 static int __init msnd_write_cfg(int cfg, int reg, int value)
1456 {
1457 msnd_outb(reg, cfg);
1458 msnd_outb(value, cfg + 1);
1459 if (value != msnd_inb(cfg + 1)) {
1460 printk(KERN_ERR LOGNAME ": msnd_write_cfg: I/O error\n");
1461 return -EIO;
1462 }
1463 return 0;
1464 }
1465
1466 static int __init msnd_write_cfg_io0(int cfg, int num, WORD io)
1467 {
1468 if (msnd_write_cfg(cfg, IREG_LOGDEVICE, num))
1469 return -EIO;
1470 if (msnd_write_cfg(cfg, IREG_IO0_BASEHI, HIBYTE(io)))
1471 return -EIO;
1472 if (msnd_write_cfg(cfg, IREG_IO0_BASELO, LOBYTE(io)))
1473 return -EIO;
1474 return 0;
1475 }
1476
1477 static int __init msnd_write_cfg_io1(int cfg, int num, WORD io)
1478 {
1479 if (msnd_write_cfg(cfg, IREG_LOGDEVICE, num))
1480 return -EIO;
1481 if (msnd_write_cfg(cfg, IREG_IO1_BASEHI, HIBYTE(io)))
1482 return -EIO;
1483 if (msnd_write_cfg(cfg, IREG_IO1_BASELO, LOBYTE(io)))
1484 return -EIO;
1485 return 0;
1486 }
1487
1488 static int __init msnd_write_cfg_irq(int cfg, int num, WORD irq)
1489 {
1490 if (msnd_write_cfg(cfg, IREG_LOGDEVICE, num))
1491 return -EIO;
1492 if (msnd_write_cfg(cfg, IREG_IRQ_NUMBER, LOBYTE(irq)))
1493 return -EIO;
1494 if (msnd_write_cfg(cfg, IREG_IRQ_TYPE, IRQTYPE_EDGE))
1495 return -EIO;
1496 return 0;
1497 }
1498
1499 static int __init msnd_write_cfg_mem(int cfg, int num, int mem)
1500 {
1501 WORD wmem;
1502
1503 mem >>= 8;
1504 mem &= 0xfff;
1505 wmem = (WORD)mem;
1506 if (msnd_write_cfg(cfg, IREG_LOGDEVICE, num))
1507 return -EIO;
1508 if (msnd_write_cfg(cfg, IREG_MEMBASEHI, HIBYTE(wmem)))
1509 return -EIO;
1510 if (msnd_write_cfg(cfg, IREG_MEMBASELO, LOBYTE(wmem)))
1511 return -EIO;
1512 if (wmem && msnd_write_cfg(cfg, IREG_MEMCONTROL, (MEMTYPE_HIADDR | MEMTYPE_16BIT)))
1513 return -EIO;
1514 return 0;
1515 }
1516
1517 static int __init msnd_activate_logical(int cfg, int num)
1518 {
1519 if (msnd_write_cfg(cfg, IREG_LOGDEVICE, num))
1520 return -EIO;
1521 if (msnd_write_cfg(cfg, IREG_ACTIVATE, LD_ACTIVATE))
1522 return -EIO;
1523 return 0;
1524 }
1525
1526 static int __init msnd_write_cfg_logical(int cfg, int num, WORD io0, WORD io1, WORD irq, int mem)
1527 {
1528 if (msnd_write_cfg(cfg, IREG_LOGDEVICE, num))
1529 return -EIO;
1530 if (msnd_write_cfg_io0(cfg, num, io0))
1531 return -EIO;
1532 if (msnd_write_cfg_io1(cfg, num, io1))
1533 return -EIO;
1534 if (msnd_write_cfg_irq(cfg, num, irq))
1535 return -EIO;
1536 if (msnd_write_cfg_mem(cfg, num, mem))
1537 return -EIO;
1538 if (msnd_activate_logical(cfg, num))
1539 return -EIO;
1540 return 0;
1541 }
1542
1543 typedef struct msnd_pinnacle_cfg_device {
1544 WORD io0, io1, irq;
1545 int mem;
1546 } msnd_pinnacle_cfg_t[4];
1547
1548 static int __init msnd_pinnacle_cfg_devices(int cfg, int reset, msnd_pinnacle_cfg_t device)
1549 {
1550 int i;
1551
1552 /* Reset devices if told to */
1553 if (reset) {
1554 printk(KERN_INFO LOGNAME ": Resetting all devices\n");
1555 for (i = 0; i < 4; ++i)
1556 if (msnd_write_cfg_logical(cfg, i, 0, 0, 0, 0))
1557 return -EIO;
1558 }
1559
1560 /* Configure specified devices */
1561 for (i = 0; i < 4; ++i) {
1562
1563 switch (i) {
1564 case 0: /* DSP */
1565 if (!(device[i].io0 && device[i].irq && device[i].mem))
1566 continue;
1567 break;
1568 case 1: /* MPU */
1569 if (!(device[i].io0 && device[i].irq))
1570 continue;
1571 printk(KERN_INFO LOGNAME
1572 ": Configuring MPU to I/O 0x%x IRQ %d\n",
1573 device[i].io0, device[i].irq);
1574 break;
1575 case 2: /* IDE */
1576 if (!(device[i].io0 && device[i].io1 && device[i].irq))
1577 continue;
1578 printk(KERN_INFO LOGNAME
1579 ": Configuring IDE to I/O 0x%x, 0x%x IRQ %d\n",
1580 device[i].io0, device[i].io1, device[i].irq);
1581 break;
1582 case 3: /* Joystick */
1583 if (!(device[i].io0))
1584 continue;
1585 printk(KERN_INFO LOGNAME
1586 ": Configuring joystick to I/O 0x%x\n",
1587 device[i].io0);
1588 break;
1589 }
1590
1591 /* Configure the device */
1592 if (msnd_write_cfg_logical(cfg, i, device[i].io0, device[i].io1, device[i].irq, device[i].mem))
1593 return -EIO;
1594 }
1595
1596 return 0;
1597 }
1598 #endif
1599
1600 #ifdef MODULE
1601 MODULE_AUTHOR ("Andrew Veliath <andrewtv@usa.net>");
1602 MODULE_DESCRIPTION ("Turtle Beach " LONGNAME " Linux Driver");
1603 MODULE_LICENSE("GPL");
1604
1605 static int io __initdata = -1;
1606 static int irq __initdata = -1;
1607 static int mem __initdata = -1;
1608 static int write_ndelay __initdata = -1;
1609
1610 #ifndef MSND_CLASSIC
1611 /* Pinnacle/Fiji non-PnP Config Port */
1612 static int cfg __initdata = -1;
1613
1614 /* Extra Peripheral Configuration */
1615 static int reset __initdata = 0;
1616 static int mpu_io __initdata = 0;
1617 static int mpu_irq __initdata = 0;
1618 static int ide_io0 __initdata = 0;
1619 static int ide_io1 __initdata = 0;
1620 static int ide_irq __initdata = 0;
1621 static int joystick_io __initdata = 0;
1622
1623 /* If we have the digital daugherboard... */
1624 static int digital __initdata = 0;
1625 #endif
1626
1627 static int fifosize __initdata = DEFFIFOSIZE;
1628 static int calibrate_signal __initdata = 0;
1629
1630 #else /* not a module */
1631
1632 static int write_ndelay __initdata = -1;
1633
1634 #ifdef MSND_CLASSIC
1635 static int io __initdata = CONFIG_MSNDCLAS_IO;
1636 static int irq __initdata = CONFIG_MSNDCLAS_IRQ;
1637 static int mem __initdata = CONFIG_MSNDCLAS_MEM;
1638 #else /* Pinnacle/Fiji */
1639
1640 static int io __initdata = CONFIG_MSNDPIN_IO;
1641 static int irq __initdata = CONFIG_MSNDPIN_IRQ;
1642 static int mem __initdata = CONFIG_MSNDPIN_MEM;
1643
1644 /* Pinnacle/Fiji non-PnP Config Port */
1645 #ifdef CONFIG_MSNDPIN_NONPNP
1646 # ifndef CONFIG_MSNDPIN_CFG
1647 # define CONFIG_MSNDPIN_CFG 0x250
1648 # endif
1649 #else
1650 # ifdef CONFIG_MSNDPIN_CFG
1651 # undef CONFIG_MSNDPIN_CFG
1652 # endif
1653 # define CONFIG_MSNDPIN_CFG -1
1654 #endif
1655 static int cfg __initdata = CONFIG_MSNDPIN_CFG;
1656 /* If not a module, we don't need to bother with reset=1 */
1657 static int reset;
1658
1659 /* Extra Peripheral Configuration (Default: Disable) */
1660 #ifndef CONFIG_MSNDPIN_MPU_IO
1661 # define CONFIG_MSNDPIN_MPU_IO 0
1662 #endif
1663 static int mpu_io __initdata = CONFIG_MSNDPIN_MPU_IO;
1664
1665 #ifndef CONFIG_MSNDPIN_MPU_IRQ
1666 # define CONFIG_MSNDPIN_MPU_IRQ 0
1667 #endif
1668 static int mpu_irq __initdata = CONFIG_MSNDPIN_MPU_IRQ;
1669
1670 #ifndef CONFIG_MSNDPIN_IDE_IO0
1671 # define CONFIG_MSNDPIN_IDE_IO0 0
1672 #endif
1673 static int ide_io0 __initdata = CONFIG_MSNDPIN_IDE_IO0;
1674
1675 #ifndef CONFIG_MSNDPIN_IDE_IO1
1676 # define CONFIG_MSNDPIN_IDE_IO1 0
1677 #endif
1678 static int ide_io1 __initdata = CONFIG_MSNDPIN_IDE_IO1;
1679
1680 #ifndef CONFIG_MSNDPIN_IDE_IRQ
1681 # define CONFIG_MSNDPIN_IDE_IRQ 0
1682 #endif
1683 static int ide_irq __initdata = CONFIG_MSNDPIN_IDE_IRQ;
1684
1685 #ifndef CONFIG_MSNDPIN_JOYSTICK_IO
1686 # define CONFIG_MSNDPIN_JOYSTICK_IO 0
1687 #endif
1688 static int joystick_io __initdata = CONFIG_MSNDPIN_JOYSTICK_IO;
1689
1690 /* Have SPDIF (Digital) Daughterboard */
1691 #ifndef CONFIG_MSNDPIN_DIGITAL
1692 # define CONFIG_MSNDPIN_DIGITAL 0
1693 #endif
1694 static int digital __initdata = CONFIG_MSNDPIN_DIGITAL;
1695
1696 #endif /* MSND_CLASSIC */
1697
1698 #ifndef CONFIG_MSND_FIFOSIZE
1699 # define CONFIG_MSND_FIFOSIZE DEFFIFOSIZE
1700 #endif
1701 static int fifosize __initdata = CONFIG_MSND_FIFOSIZE;
1702
1703 #ifndef CONFIG_MSND_CALSIGNAL
1704 # define CONFIG_MSND_CALSIGNAL 0
1705 #endif
1706 static int
1707 calibrate_signal __initdata = CONFIG_MSND_CALSIGNAL;
1708 #endif /* MODULE */
1709
1710 module_param (io, int, 0);
1711 module_param (irq, int, 0);
1712 module_param (mem, int, 0);
1713 module_param (write_ndelay, int, 0);
1714 module_param (fifosize, int, 0);
1715 module_param (calibrate_signal, int, 0);
1716 #ifndef MSND_CLASSIC
1717 module_param (digital, bool, 0);
1718 module_param (cfg, int, 0);
1719 module_param (reset, int, 0);
1720 module_param (mpu_io, int, 0);
1721 module_param (mpu_irq, int, 0);
1722 module_param (ide_io0, int, 0);
1723 module_param (ide_io1, int, 0);
1724 module_param (ide_irq, int, 0);
1725 module_param (joystick_io, int, 0);
1726 #endif
1727
1728 static int __init msnd_init(void)
1729 {
1730 int err;
1731 #ifndef MSND_CLASSIC
1732 static msnd_pinnacle_cfg_t pinnacle_devs;
1733 #endif /* MSND_CLASSIC */
1734
1735 printk(KERN_INFO LOGNAME ": Turtle Beach " LONGNAME " Linux Driver Version "
1736 VERSION ", Copyright (C) 1998 Andrew Veliath\n");
1737
1738 if (io == -1 || irq == -1 || mem == -1)
1739 printk(KERN_WARNING LOGNAME ": io, irq and mem must be set\n");
1740
1741 #ifdef MSND_CLASSIC
1742 if (io == -1 ||
1743 !(io == 0x290 ||
1744 io == 0x260 ||
1745 io == 0x250 ||
1746 io == 0x240 ||
1747 io == 0x230 ||
1748 io == 0x220 ||
1749 io == 0x210 ||
1750 io == 0x3e0)) {
1751 printk(KERN_ERR LOGNAME ": \"io\" - DSP I/O base must be set to 0x210, 0x220, 0x230, 0x240, 0x250, 0x260, 0x290, or 0x3E0\n");
1752 return -EINVAL;
1753 }
1754 #else
1755 if (io == -1 ||
1756 io < 0x100 ||
1757 io > 0x3e0 ||
1758 (io % 0x10) != 0) {
1759 printk(KERN_ERR LOGNAME ": \"io\" - DSP I/O base must within the range 0x100 to 0x3E0 and must be evenly divisible by 0x10\n");
1760 return -EINVAL;
1761 }
1762 #endif /* MSND_CLASSIC */
1763
1764 if (irq == -1 ||
1765 !(irq == 5 ||
1766 irq == 7 ||
1767 irq == 9 ||
1768 irq == 10 ||
1769 irq == 11 ||
1770 irq == 12)) {
1771 printk(KERN_ERR LOGNAME ": \"irq\" - must be set to 5, 7, 9, 10, 11 or 12\n");
1772 return -EINVAL;
1773 }
1774
1775 if (mem == -1 ||
1776 !(mem == 0xb0000 ||
1777 mem == 0xc8000 ||
1778 mem == 0xd0000 ||
1779 mem == 0xd8000 ||
1780 mem == 0xe0000 ||
1781 mem == 0xe8000)) {
1782 printk(KERN_ERR LOGNAME ": \"mem\" - must be set to "
1783 "0xb0000, 0xc8000, 0xd0000, 0xd8000, 0xe0000 or 0xe8000\n");
1784 return -EINVAL;
1785 }
1786
1787 #ifdef MSND_CLASSIC
1788 switch (irq) {
1789 case 5: dev.irqid = HPIRQ_5; break;
1790 case 7: dev.irqid = HPIRQ_7; break;
1791 case 9: dev.irqid = HPIRQ_9; break;
1792 case 10: dev.irqid = HPIRQ_10; break;
1793 case 11: dev.irqid = HPIRQ_11; break;
1794 case 12: dev.irqid = HPIRQ_12; break;
1795 }
1796
1797 switch (mem) {
1798 case 0xb0000: dev.memid = HPMEM_B000; break;
1799 case 0xc8000: dev.memid = HPMEM_C800; break;
1800 case 0xd0000: dev.memid = HPMEM_D000; break;
1801 case 0xd8000: dev.memid = HPMEM_D800; break;
1802 case 0xe0000: dev.memid = HPMEM_E000; break;
1803 case 0xe8000: dev.memid = HPMEM_E800; break;
1804 }
1805 #else
1806 if (cfg == -1) {
1807 printk(KERN_INFO LOGNAME ": Assuming PnP mode\n");
1808 } else if (cfg != 0x250 && cfg != 0x260 && cfg != 0x270) {
1809 printk(KERN_INFO LOGNAME ": Config port must be 0x250, 0x260 or 0x270 (or unspecified for PnP mode)\n");
1810 return -EINVAL;
1811 } else {
1812 printk(KERN_INFO LOGNAME ": Non-PnP mode: configuring at port 0x%x\n", cfg);
1813
1814 /* DSP */
1815 pinnacle_devs[0].io0 = io;
1816 pinnacle_devs[0].irq = irq;
1817 pinnacle_devs[0].mem = mem;
1818
1819 /* The following are Pinnacle specific */
1820
1821 /* MPU */
1822 pinnacle_devs[1].io0 = mpu_io;
1823 pinnacle_devs[1].irq = mpu_irq;
1824
1825 /* IDE */
1826 pinnacle_devs[2].io0 = ide_io0;
1827 pinnacle_devs[2].io1 = ide_io1;
1828 pinnacle_devs[2].irq = ide_irq;
1829
1830 /* Joystick */
1831 pinnacle_devs[3].io0 = joystick_io;
1832
1833 if (!request_region(cfg, 2, "Pinnacle/Fiji Config")) {
1834 printk(KERN_ERR LOGNAME ": Config port 0x%x conflict\n", cfg);
1835 return -EIO;
1836 }
1837
1838 if (msnd_pinnacle_cfg_devices(cfg, reset, pinnacle_devs)) {
1839 printk(KERN_ERR LOGNAME ": Device configuration error\n");
1840 release_region(cfg, 2);
1841 return -EIO;
1842 }
1843 release_region(cfg, 2);
1844 }
1845 #endif /* MSND_CLASSIC */
1846
1847 if (fifosize < 16)
1848 fifosize = 16;
1849
1850 if (fifosize > 1024)
1851 fifosize = 1024;
1852
1853 set_default_audio_parameters();
1854 #ifdef MSND_CLASSIC
1855 dev.type = msndClassic;
1856 #else
1857 dev.type = msndPinnacle;
1858 #endif
1859 dev.io = io;
1860 dev.numio = DSP_NUMIO;
1861 dev.irq = irq;
1862 dev.base = ioremap(mem, 0x8000);
1863 dev.fifosize = fifosize * 1024;
1864 dev.calibrate_signal = calibrate_signal ? 1 : 0;
1865 dev.recsrc = 0;
1866 dev.dspq_data_buff = DSPQ_DATA_BUFF;
1867 dev.dspq_buff_size = DSPQ_BUFF_SIZE;
1868 if (write_ndelay == -1)
1869 write_ndelay = CONFIG_MSND_WRITE_NDELAY;
1870 if (write_ndelay)
1871 clear_bit(F_DISABLE_WRITE_NDELAY, &dev.flags);
1872 else
1873 set_bit(F_DISABLE_WRITE_NDELAY, &dev.flags);
1874 #ifndef MSND_CLASSIC
1875 if (digital)
1876 set_bit(F_HAVEDIGITAL, &dev.flags);
1877 #endif
1878 init_waitqueue_head(&dev.writeblock);
1879 init_waitqueue_head(&dev.readblock);
1880 init_waitqueue_head(&dev.writeflush);
1881 msnd_fifo_init(&dev.DAPF);
1882 msnd_fifo_init(&dev.DARF);
1883 spin_lock_init(&dev.lock);
1884 printk(KERN_INFO LOGNAME ": %u byte audio FIFOs (x2)\n", dev.fifosize);
1885 if ((err = msnd_fifo_alloc(&dev.DAPF, dev.fifosize)) < 0) {
1886 printk(KERN_ERR LOGNAME ": Couldn't allocate write FIFO\n");
1887 return err;
1888 }
1889
1890 if ((err = msnd_fifo_alloc(&dev.DARF, dev.fifosize)) < 0) {
1891 printk(KERN_ERR LOGNAME ": Couldn't allocate read FIFO\n");
1892 msnd_fifo_free(&dev.DAPF);
1893 return err;
1894 }
1895
1896 if ((err = probe_multisound()) < 0) {
1897 printk(KERN_ERR LOGNAME ": Probe failed\n");
1898 msnd_fifo_free(&dev.DAPF);
1899 msnd_fifo_free(&dev.DARF);
1900 return err;
1901 }
1902
1903 if ((err = attach_multisound()) < 0) {
1904 printk(KERN_ERR LOGNAME ": Attach failed\n");
1905 msnd_fifo_free(&dev.DAPF);
1906 msnd_fifo_free(&dev.DARF);
1907 return err;
1908 }
1909
1910 return 0;
1911 }
1912
1913 static void __exit msdn_cleanup(void)
1914 {
1915 unload_multisound();
1916 msnd_fifo_free(&dev.DAPF);
1917 msnd_fifo_free(&dev.DARF);
1918 }
1919
1920 module_init(msnd_init);
1921 module_exit(msdn_cleanup);
Log-structured file system for Linux