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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/types.h>
39#include <linux/delay.h>
40#include <linux/init.h>
41#include <linux/interrupt.h>
42#include <linux/mutex.h>
43#include <linux/gfp.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
82static DEFINE_MUTEX(msnd_pinnacle_mutex);
83static multisound_dev_t dev;
84
85#ifndef HAVE_DSPCODEH
86static char *dspini, *permini;
87static int sizeof_dspini, sizeof_permini;
88#endif
89
90static int dsp_full_reset(void);
91static void dsp_write_flush(void);
92
93static __inline__ int chk_send_dsp_cmd(multisound_dev_t *dev, register BYTE cmd)
94{
95 if (msnd_send_dsp_cmd(dev, cmd) == 0)
96 return 0;
97 dsp_full_reset();
98 return msnd_send_dsp_cmd(dev, cmd);
99}
100
101static void reset_play_queue(void)
102{
103 int n;
104 LPDAQD lpDAQ;
105
106 dev.last_playbank = -1;
107 writew(PCTODSP_OFFSET(0 * DAQDS__size), dev.DAPQ + JQS_wHead);
108 writew(PCTODSP_OFFSET(0 * DAQDS__size), dev.DAPQ + JQS_wTail);
109
110 for (n = 0, lpDAQ = dev.base + DAPQ_DATA_BUFF; n < 3; ++n, lpDAQ += DAQDS__size) {
111 writew(PCTODSP_BASED((DWORD)(DAP_BUFF_SIZE * n)), lpDAQ + DAQDS_wStart);
112 writew(0, lpDAQ + DAQDS_wSize);
113 writew(1, lpDAQ + DAQDS_wFormat);
114 writew(dev.play_sample_size, lpDAQ + DAQDS_wSampleSize);
115 writew(dev.play_channels, lpDAQ + DAQDS_wChannels);
116 writew(dev.play_sample_rate, lpDAQ + DAQDS_wSampleRate);
117 writew(HIMT_PLAY_DONE * 0x100 + n, lpDAQ + DAQDS_wIntMsg);
118 writew(n, lpDAQ + DAQDS_wFlags);
119 }
120}
121
122static void reset_record_queue(void)
123{
124 int n;
125 LPDAQD lpDAQ;
126 unsigned long flags;
127
128 dev.last_recbank = 2;
129 writew(PCTODSP_OFFSET(0 * DAQDS__size), dev.DARQ + JQS_wHead);
130 writew(PCTODSP_OFFSET(dev.last_recbank * DAQDS__size), dev.DARQ + JQS_wTail);
131
132 /* Critical section: bank 1 access */
133 spin_lock_irqsave(&dev.lock, flags);
134 msnd_outb(HPBLKSEL_1, dev.io + HP_BLKS);
135 memset_io(dev.base, 0, DAR_BUFF_SIZE * 3);
136 msnd_outb(HPBLKSEL_0, dev.io + HP_BLKS);
137 spin_unlock_irqrestore(&dev.lock, flags);
138
139 for (n = 0, lpDAQ = dev.base + DARQ_DATA_BUFF; n < 3; ++n, lpDAQ += DAQDS__size) {
140 writew(PCTODSP_BASED((DWORD)(DAR_BUFF_SIZE * n)) + 0x4000, lpDAQ + DAQDS_wStart);
141 writew(DAR_BUFF_SIZE, lpDAQ + DAQDS_wSize);
142 writew(1, lpDAQ + DAQDS_wFormat);
143 writew(dev.rec_sample_size, lpDAQ + DAQDS_wSampleSize);
144 writew(dev.rec_channels, lpDAQ + DAQDS_wChannels);
145 writew(dev.rec_sample_rate, lpDAQ + DAQDS_wSampleRate);
146 writew(HIMT_RECORD_DONE * 0x100 + n, lpDAQ + DAQDS_wIntMsg);
147 writew(n, lpDAQ + DAQDS_wFlags);
148 }
149}
150
151static void reset_queues(void)
152{
153 if (dev.mode & FMODE_WRITE) {
154 msnd_fifo_make_empty(&dev.DAPF);
155 reset_play_queue();
156 }
157 if (dev.mode & FMODE_READ) {
158 msnd_fifo_make_empty(&dev.DARF);
159 reset_record_queue();
160 }
161}
162
163static int dsp_set_format(struct file *file, int val)
164{
165 int data, i;
166 LPDAQD lpDAQ, lpDARQ;
167
168 lpDAQ = dev.base + DAPQ_DATA_BUFF;
169 lpDARQ = dev.base + DARQ_DATA_BUFF;
170
171 switch (val) {
172 case AFMT_U8:
173 case AFMT_S16_LE:
174 data = val;
175 break;
176 default:
177 data = DEFSAMPLESIZE;
178 break;
179 }
180
181 for (i = 0; i < 3; ++i, lpDAQ += DAQDS__size, lpDARQ += DAQDS__size) {
182 if (file->f_mode & FMODE_WRITE)
183 writew(data, lpDAQ + DAQDS_wSampleSize);
184 if (file->f_mode & FMODE_READ)
185 writew(data, lpDARQ + DAQDS_wSampleSize);
186 }
187 if (file->f_mode & FMODE_WRITE)
188 dev.play_sample_size = data;
189 if (file->f_mode & FMODE_READ)
190 dev.rec_sample_size = data;
191
192 return data;
193}
194
195static int dsp_get_frag_size(void)
196{
197 int size;
198 size = dev.fifosize / 4;
199 if (size > 32 * 1024)
200 size = 32 * 1024;
201 return size;
202}
203
204static int dsp_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
205{
206 int val, i, data, tmp;
207 LPDAQD lpDAQ, lpDARQ;
208 audio_buf_info abinfo;
209 unsigned long flags;
210 int __user *p = (int __user *)arg;
211
212 lpDAQ = dev.base + DAPQ_DATA_BUFF;
213 lpDARQ = dev.base + DARQ_DATA_BUFF;
214
215 switch (cmd) {
216 case SNDCTL_DSP_SUBDIVIDE:
217 case SNDCTL_DSP_SETFRAGMENT:
218 case SNDCTL_DSP_SETDUPLEX:
219 case SNDCTL_DSP_POST:
220 return 0;
221
222 case SNDCTL_DSP_GETIPTR:
223 case SNDCTL_DSP_GETOPTR:
224 case SNDCTL_DSP_MAPINBUF:
225 case SNDCTL_DSP_MAPOUTBUF:
226 return -EINVAL;
227
228 case SNDCTL_DSP_GETOSPACE:
229 if (!(file->f_mode & FMODE_WRITE))
230 return -EINVAL;
231 spin_lock_irqsave(&dev.lock, flags);
232 abinfo.fragsize = dsp_get_frag_size();
233 abinfo.bytes = dev.DAPF.n - dev.DAPF.len;
234 abinfo.fragstotal = dev.DAPF.n / abinfo.fragsize;
235 abinfo.fragments = abinfo.bytes / abinfo.fragsize;
236 spin_unlock_irqrestore(&dev.lock, flags);
237 return copy_to_user((void __user *)arg, &abinfo, sizeof(abinfo)) ? -EFAULT : 0;
238
239 case SNDCTL_DSP_GETISPACE:
240 if (!(file->f_mode & FMODE_READ))
241 return -EINVAL;
242 spin_lock_irqsave(&dev.lock, flags);
243 abinfo.fragsize = dsp_get_frag_size();
244 abinfo.bytes = dev.DARF.n - dev.DARF.len;
245 abinfo.fragstotal = dev.DARF.n / abinfo.fragsize;
246 abinfo.fragments = abinfo.bytes / abinfo.fragsize;
247 spin_unlock_irqrestore(&dev.lock, flags);
248 return copy_to_user((void __user *)arg, &abinfo, sizeof(abinfo)) ? -EFAULT : 0;
249
250 case SNDCTL_DSP_RESET:
251 dev.nresets = 0;
252 reset_queues();
253 return 0;
254
255 case SNDCTL_DSP_SYNC:
256 dsp_write_flush();
257 return 0;
258
259 case SNDCTL_DSP_GETBLKSIZE:
260 tmp = dsp_get_frag_size();
261 if (put_user(tmp, p))
262 return -EFAULT;
263 return 0;
264
265 case SNDCTL_DSP_GETFMTS:
266 val = AFMT_S16_LE | AFMT_U8;
267 if (put_user(val, p))
268 return -EFAULT;
269 return 0;
270
271 case SNDCTL_DSP_SETFMT:
272 if (get_user(val, p))
273 return -EFAULT;
274
275 if (file->f_mode & FMODE_WRITE)
276 data = val == AFMT_QUERY
277 ? dev.play_sample_size
278 : dsp_set_format(file, val);
279 else
280 data = val == AFMT_QUERY
281 ? dev.rec_sample_size
282 : dsp_set_format(file, val);
283
284 if (put_user(data, p))
285 return -EFAULT;
286 return 0;
287
288 case SNDCTL_DSP_NONBLOCK:
289 if (!test_bit(F_DISABLE_WRITE_NDELAY, &dev.flags) &&
290 file->f_mode & FMODE_WRITE)
291 dev.play_ndelay = 1;
292 if (file->f_mode & FMODE_READ)
293 dev.rec_ndelay = 1;
294 return 0;
295
296 case SNDCTL_DSP_GETCAPS:
297 val = DSP_CAP_DUPLEX | DSP_CAP_BATCH;
298 if (put_user(val, p))
299 return -EFAULT;
300 return 0;
301
302 case SNDCTL_DSP_SPEED:
303 if (get_user(val, p))
304 return -EFAULT;
305
306 if (val < 8000)
307 val = 8000;
308
309 if (val > 48000)
310 val = 48000;
311
312 data = val;
313
314 for (i = 0; i < 3; ++i, lpDAQ += DAQDS__size, lpDARQ += DAQDS__size) {
315 if (file->f_mode & FMODE_WRITE)
316 writew(data, lpDAQ + DAQDS_wSampleRate);
317 if (file->f_mode & FMODE_READ)
318 writew(data, lpDARQ + DAQDS_wSampleRate);
319 }
320 if (file->f_mode & FMODE_WRITE)
321 dev.play_sample_rate = data;
322 if (file->f_mode & FMODE_READ)
323 dev.rec_sample_rate = data;
324
325 if (put_user(data, p))
326 return -EFAULT;
327 return 0;
328
329 case SNDCTL_DSP_CHANNELS:
330 case SNDCTL_DSP_STEREO:
331 if (get_user(val, p))
332 return -EFAULT;
333
334 if (cmd == SNDCTL_DSP_CHANNELS) {
335 switch (val) {
336 case 1:
337 case 2:
338 data = val;
339 break;
340 default:
341 val = data = 2;
342 break;
343 }
344 } else {
345 switch (val) {
346 case 0:
347 data = 1;
348 break;
349 default:
350 val = 1;
351 case 1:
352 data = 2;
353 break;
354 }
355 }
356
357 for (i = 0; i < 3; ++i, lpDAQ += DAQDS__size, lpDARQ += DAQDS__size) {
358 if (file->f_mode & FMODE_WRITE)
359 writew(data, lpDAQ + DAQDS_wChannels);
360 if (file->f_mode & FMODE_READ)
361 writew(data, lpDARQ + DAQDS_wChannels);
362 }
363 if (file->f_mode & FMODE_WRITE)
364 dev.play_channels = data;
365 if (file->f_mode & FMODE_READ)
366 dev.rec_channels = data;
367
368 if (put_user(val, p))
369 return -EFAULT;
370 return 0;
371 }
372
373 return -EINVAL;
374}
375
376static int mixer_get(int d)
377{
378 if (d > 31)
379 return -EINVAL;
380
381 switch (d) {
382 case SOUND_MIXER_VOLUME:
383 case SOUND_MIXER_PCM:
384 case SOUND_MIXER_LINE:
385 case SOUND_MIXER_IMIX:
386 case SOUND_MIXER_LINE1:
387#ifndef MSND_CLASSIC
388 case SOUND_MIXER_MIC:
389 case SOUND_MIXER_SYNTH:
390#endif
391 return (dev.left_levels[d] >> 8) * 100 / 0xff |
392 (((dev.right_levels[d] >> 8) * 100 / 0xff) << 8);
393 default:
394 return 0;
395 }
396}
397
398#define update_volm(a,b) \
399 writew((dev.left_levels[a] >> 1) * \
400 readw(dev.SMA + SMA_wCurrMastVolLeft) / 0xffff, \
401 dev.SMA + SMA_##b##Left); \
402 writew((dev.right_levels[a] >> 1) * \
403 readw(dev.SMA + SMA_wCurrMastVolRight) / 0xffff, \
404 dev.SMA + SMA_##b##Right);
405
406#define update_potm(d,s,ar) \
407 writeb((dev.left_levels[d] >> 8) * \
408 readw(dev.SMA + SMA_wCurrMastVolLeft) / 0xffff, \
409 dev.SMA + SMA_##s##Left); \
410 writeb((dev.right_levels[d] >> 8) * \
411 readw(dev.SMA + SMA_wCurrMastVolRight) / 0xffff, \
412 dev.SMA + SMA_##s##Right); \
413 if (msnd_send_word(&dev, 0, 0, ar) == 0) \
414 chk_send_dsp_cmd(&dev, HDEX_AUX_REQ);
415
416#define update_pot(d,s,ar) \
417 writeb(dev.left_levels[d] >> 8, \
418 dev.SMA + SMA_##s##Left); \
419 writeb(dev.right_levels[d] >> 8, \
420 dev.SMA + SMA_##s##Right); \
421 if (msnd_send_word(&dev, 0, 0, ar) == 0) \
422 chk_send_dsp_cmd(&dev, HDEX_AUX_REQ);
423
424static int mixer_set(int d, int value)
425{
426 int left = value & 0x000000ff;
427 int right = (value & 0x0000ff00) >> 8;
428 int bLeft, bRight;
429 int wLeft, wRight;
430 int updatemaster = 0;
431
432 if (d > 31)
433 return -EINVAL;
434
435 bLeft = left * 0xff / 100;
436 wLeft = left * 0xffff / 100;
437
438 bRight = right * 0xff / 100;
439 wRight = right * 0xffff / 100;
440
441 dev.left_levels[d] = wLeft;
442 dev.right_levels[d] = wRight;
443
444 switch (d) {
445 /* master volume unscaled controls */
446 case SOUND_MIXER_LINE: /* line pot control */
447 /* scaled by IMIX in digital mix */
448 writeb(bLeft, dev.SMA + SMA_bInPotPosLeft);
449 writeb(bRight, dev.SMA + SMA_bInPotPosRight);
450 if (msnd_send_word(&dev, 0, 0, HDEXAR_IN_SET_POTS) == 0)
451 chk_send_dsp_cmd(&dev, HDEX_AUX_REQ);
452 break;
453#ifndef MSND_CLASSIC
454 case SOUND_MIXER_MIC: /* mic pot control */
455 /* scaled by IMIX in digital mix */
456 writeb(bLeft, dev.SMA + SMA_bMicPotPosLeft);
457 writeb(bRight, dev.SMA + SMA_bMicPotPosRight);
458 if (msnd_send_word(&dev, 0, 0, HDEXAR_MIC_SET_POTS) == 0)
459 chk_send_dsp_cmd(&dev, HDEX_AUX_REQ);
460 break;
461#endif
462 case SOUND_MIXER_VOLUME: /* master volume */
463 writew(wLeft, dev.SMA + SMA_wCurrMastVolLeft);
464 writew(wRight, dev.SMA + SMA_wCurrMastVolRight);
465 /* fall through */
466
467 case SOUND_MIXER_LINE1: /* aux pot control */
468 /* scaled by master volume */
469 /* fall through */
470
471 /* digital controls */
472 case SOUND_MIXER_SYNTH: /* synth vol (dsp mix) */
473 case SOUND_MIXER_PCM: /* pcm vol (dsp mix) */
474 case SOUND_MIXER_IMIX: /* input monitor (dsp mix) */
475 /* scaled by master volume */
476 updatemaster = 1;
477 break;
478
479 default:
480 return 0;
481 }
482
483 if (updatemaster) {
484 /* update master volume scaled controls */
485 update_volm(SOUND_MIXER_PCM, wCurrPlayVol);
486 update_volm(SOUND_MIXER_IMIX, wCurrInVol);
487#ifndef MSND_CLASSIC
488 update_volm(SOUND_MIXER_SYNTH, wCurrMHdrVol);
489#endif
490 update_potm(SOUND_MIXER_LINE1, bAuxPotPos, HDEXAR_AUX_SET_POTS);
491 }
492
493 return mixer_get(d);
494}
495
496static void mixer_setup(void)
497{
498 update_pot(SOUND_MIXER_LINE, bInPotPos, HDEXAR_IN_SET_POTS);
499 update_potm(SOUND_MIXER_LINE1, bAuxPotPos, HDEXAR_AUX_SET_POTS);
500 update_volm(SOUND_MIXER_PCM, wCurrPlayVol);
501 update_volm(SOUND_MIXER_IMIX, wCurrInVol);
502#ifndef MSND_CLASSIC
503 update_pot(SOUND_MIXER_MIC, bMicPotPos, HDEXAR_MIC_SET_POTS);
504 update_volm(SOUND_MIXER_SYNTH, wCurrMHdrVol);
505#endif
506}
507
508static unsigned long set_recsrc(unsigned long recsrc)
509{
510 if (dev.recsrc == recsrc)
511 return dev.recsrc;
512#ifdef HAVE_NORECSRC
513 else if (recsrc == 0)
514 dev.recsrc = 0;
515#endif
516 else
517 dev.recsrc ^= recsrc;
518
519#ifndef MSND_CLASSIC
520 if (dev.recsrc & SOUND_MASK_IMIX) {
521 if (msnd_send_word(&dev, 0, 0, HDEXAR_SET_ANA_IN) == 0)
522 chk_send_dsp_cmd(&dev, HDEX_AUX_REQ);
523 }
524 else if (dev.recsrc & SOUND_MASK_SYNTH) {
525 if (msnd_send_word(&dev, 0, 0, HDEXAR_SET_SYNTH_IN) == 0)
526 chk_send_dsp_cmd(&dev, HDEX_AUX_REQ);
527 }
528 else if ((dev.recsrc & SOUND_MASK_DIGITAL1) && test_bit(F_HAVEDIGITAL, &dev.flags)) {
529 if (msnd_send_word(&dev, 0, 0, HDEXAR_SET_DAT_IN) == 0)
530 chk_send_dsp_cmd(&dev, HDEX_AUX_REQ);
531 }
532 else {
533#ifdef HAVE_NORECSRC
534 /* Select no input (?) */
535 dev.recsrc = 0;
536#else
537 dev.recsrc = SOUND_MASK_IMIX;
538 if (msnd_send_word(&dev, 0, 0, HDEXAR_SET_ANA_IN) == 0)
539 chk_send_dsp_cmd(&dev, HDEX_AUX_REQ);
540#endif
541 }
542#endif /* MSND_CLASSIC */
543
544 return dev.recsrc;
545}
546
547static unsigned long force_recsrc(unsigned long recsrc)
548{
549 dev.recsrc = 0;
550 return set_recsrc(recsrc);
551}
552
553#define set_mixer_info() \
554 memset(&info, 0, sizeof(info)); \
555 strlcpy(info.id, "MSNDMIXER", sizeof(info.id)); \
556 strlcpy(info.name, "MultiSound Mixer", sizeof(info.name));
557
558static int mixer_ioctl(unsigned int cmd, unsigned long arg)
559{
560 if (cmd == SOUND_MIXER_INFO) {
561 mixer_info info;
562 set_mixer_info();
563 info.modify_counter = dev.mixer_mod_count;
564 if (copy_to_user((void __user *)arg, &info, sizeof(info)))
565 return -EFAULT;
566 return 0;
567 } else if (cmd == SOUND_OLD_MIXER_INFO) {
568 _old_mixer_info info;
569 set_mixer_info();
570 if (copy_to_user((void __user *)arg, &info, sizeof(info)))
571 return -EFAULT;
572 return 0;
573 } else if (cmd == SOUND_MIXER_PRIVATE1) {
574 dev.nresets = 0;
575 dsp_full_reset();
576 return 0;
577 } else if (((cmd >> 8) & 0xff) == 'M') {
578 int val = 0;
579
580 if (_SIOC_DIR(cmd) & _SIOC_WRITE) {
581 switch (cmd & 0xff) {
582 case SOUND_MIXER_RECSRC:
583 if (get_user(val, (int __user *)arg))
584 return -EFAULT;
585 val = set_recsrc(val);
586 break;
587
588 default:
589 if (get_user(val, (int __user *)arg))
590 return -EFAULT;
591 val = mixer_set(cmd & 0xff, val);
592 break;
593 }
594 ++dev.mixer_mod_count;
595 return put_user(val, (int __user *)arg);
596 } else {
597 switch (cmd & 0xff) {
598 case SOUND_MIXER_RECSRC:
599 val = dev.recsrc;
600 break;
601
602 case SOUND_MIXER_DEVMASK:
603 case SOUND_MIXER_STEREODEVS:
604 val = SOUND_MASK_PCM |
605 SOUND_MASK_LINE |
606 SOUND_MASK_IMIX |
607 SOUND_MASK_LINE1 |
608#ifndef MSND_CLASSIC
609 SOUND_MASK_MIC |
610 SOUND_MASK_SYNTH |
611#endif
612 SOUND_MASK_VOLUME;
613 break;
614
615 case SOUND_MIXER_RECMASK:
616#ifdef MSND_CLASSIC
617 val = 0;
618#else
619 val = SOUND_MASK_IMIX |
620 SOUND_MASK_SYNTH;
621 if (test_bit(F_HAVEDIGITAL, &dev.flags))
622 val |= SOUND_MASK_DIGITAL1;
623#endif
624 break;
625
626 case SOUND_MIXER_CAPS:
627 val = SOUND_CAP_EXCL_INPUT;
628 break;
629
630 default:
631 if ((val = mixer_get(cmd & 0xff)) < 0)
632 return -EINVAL;
633 break;
634 }
635 }
636
637 return put_user(val, (int __user *)arg);
638 }
639
640 return -EINVAL;
641}
642
643static long dev_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
644{
645 int minor = iminor(file->f_path.dentry->d_inode);
646 int ret;
647
648 if (cmd == OSS_GETVERSION) {
649 int sound_version = SOUND_VERSION;
650 return put_user(sound_version, (int __user *)arg);
651 }
652
653 ret = -EINVAL;
654
655 mutex_lock(&msnd_pinnacle_mutex);
656 if (minor == dev.dsp_minor)
657 ret = dsp_ioctl(file, cmd, arg);
658 else if (minor == dev.mixer_minor)
659 ret = mixer_ioctl(cmd, arg);
660 mutex_unlock(&msnd_pinnacle_mutex);
661
662 return ret;
663}
664
665static void dsp_write_flush(void)
666{
667 if (!(dev.mode & FMODE_WRITE) || !test_bit(F_WRITING, &dev.flags))
668 return;
669 set_bit(F_WRITEFLUSH, &dev.flags);
670 interruptible_sleep_on_timeout(
671 &dev.writeflush,
672 get_play_delay_jiffies(dev.DAPF.len));
673 clear_bit(F_WRITEFLUSH, &dev.flags);
674 if (!signal_pending(current)) {
675 current->state = TASK_INTERRUPTIBLE;
676 schedule_timeout(get_play_delay_jiffies(DAP_BUFF_SIZE));
677 }
678 clear_bit(F_WRITING, &dev.flags);
679}
680
681static void dsp_halt(struct file *file)
682{
683 if ((file ? file->f_mode : dev.mode) & FMODE_READ) {
684 clear_bit(F_READING, &dev.flags);
685 chk_send_dsp_cmd(&dev, HDEX_RECORD_STOP);
686 msnd_disable_irq(&dev);
687 if (file) {
688 printk(KERN_DEBUG LOGNAME ": Stopping read for %p\n", file);
689 dev.mode &= ~FMODE_READ;
690 }
691 clear_bit(F_AUDIO_READ_INUSE, &dev.flags);
692 }
693 if ((file ? file->f_mode : dev.mode) & FMODE_WRITE) {
694 if (test_bit(F_WRITING, &dev.flags)) {
695 dsp_write_flush();
696 chk_send_dsp_cmd(&dev, HDEX_PLAY_STOP);
697 }
698 msnd_disable_irq(&dev);
699 if (file) {
700 printk(KERN_DEBUG LOGNAME ": Stopping write for %p\n", file);
701 dev.mode &= ~FMODE_WRITE;
702 }
703 clear_bit(F_AUDIO_WRITE_INUSE, &dev.flags);
704 }
705}
706
707static int dsp_release(struct file *file)
708{
709 dsp_halt(file);
710 return 0;
711}
712
713static int dsp_open(struct file *file)
714{
715 if ((file ? file->f_mode : dev.mode) & FMODE_WRITE) {
716 set_bit(F_AUDIO_WRITE_INUSE, &dev.flags);
717 clear_bit(F_WRITING, &dev.flags);
718 msnd_fifo_make_empty(&dev.DAPF);
719 reset_play_queue();
720 if (file) {
721 printk(KERN_DEBUG LOGNAME ": Starting write for %p\n", file);
722 dev.mode |= FMODE_WRITE;
723 }
724 msnd_enable_irq(&dev);
725 }
726 if ((file ? file->f_mode : dev.mode) & FMODE_READ) {
727 set_bit(F_AUDIO_READ_INUSE, &dev.flags);
728 clear_bit(F_READING, &dev.flags);
729 msnd_fifo_make_empty(&dev.DARF);
730 reset_record_queue();
731 if (file) {
732 printk(KERN_DEBUG LOGNAME ": Starting read for %p\n", file);
733 dev.mode |= FMODE_READ;
734 }
735 msnd_enable_irq(&dev);
736 }
737 return 0;
738}
739
740static void set_default_play_audio_parameters(void)
741{
742 dev.play_sample_size = DEFSAMPLESIZE;
743 dev.play_sample_rate = DEFSAMPLERATE;
744 dev.play_channels = DEFCHANNELS;
745}
746
747static void set_default_rec_audio_parameters(void)
748{
749 dev.rec_sample_size = DEFSAMPLESIZE;
750 dev.rec_sample_rate = DEFSAMPLERATE;
751 dev.rec_channels = DEFCHANNELS;
752}
753
754static void set_default_audio_parameters(void)
755{
756 set_default_play_audio_parameters();
757 set_default_rec_audio_parameters();
758}
759
760static int dev_open(struct inode *inode, struct file *file)
761{
762 int minor = iminor(inode);
763 int err = 0;
764
765 mutex_lock(&msnd_pinnacle_mutex);
766 if (minor == dev.dsp_minor) {
767 if ((file->f_mode & FMODE_WRITE &&
768 test_bit(F_AUDIO_WRITE_INUSE, &dev.flags)) ||
769 (file->f_mode & FMODE_READ &&
770 test_bit(F_AUDIO_READ_INUSE, &dev.flags))) {
771 err = -EBUSY;
772 goto out;
773 }
774
775 if ((err = dsp_open(file)) >= 0) {
776 dev.nresets = 0;
777 if (file->f_mode & FMODE_WRITE) {
778 set_default_play_audio_parameters();
779 if (!test_bit(F_DISABLE_WRITE_NDELAY, &dev.flags))
780 dev.play_ndelay = (file->f_flags & O_NDELAY) ? 1 : 0;
781 else
782 dev.play_ndelay = 0;
783 }
784 if (file->f_mode & FMODE_READ) {
785 set_default_rec_audio_parameters();
786 dev.rec_ndelay = (file->f_flags & O_NDELAY) ? 1 : 0;
787 }
788 }
789 }
790 else if (minor == dev.mixer_minor) {
791 /* nothing */
792 } else
793 err = -EINVAL;
794out:
795 mutex_unlock(&msnd_pinnacle_mutex);
796 return err;
797}
798
799static int dev_release(struct inode *inode, struct file *file)
800{
801 int minor = iminor(inode);
802 int err = 0;
803
804 mutex_lock(&msnd_pinnacle_mutex);
805 if (minor == dev.dsp_minor)
806 err = dsp_release(file);
807 else if (minor == dev.mixer_minor) {
808 /* nothing */
809 } else
810 err = -EINVAL;
811 mutex_unlock(&msnd_pinnacle_mutex);
812 return err;
813}
814
815static __inline__ int pack_DARQ_to_DARF(register int bank)
816{
817 register int size, timeout = 3;
818 register WORD wTmp;
819 LPDAQD DAQD;
820
821 /* Increment the tail and check for queue wrap */
822 wTmp = readw(dev.DARQ + JQS_wTail) + PCTODSP_OFFSET(DAQDS__size);
823 if (wTmp > readw(dev.DARQ + JQS_wSize))
824 wTmp = 0;
825 while (wTmp == readw(dev.DARQ + JQS_wHead) && timeout--)
826 udelay(1);
827 writew(wTmp, dev.DARQ + JQS_wTail);
828
829 /* Get our digital audio queue struct */
830 DAQD = bank * DAQDS__size + dev.base + DARQ_DATA_BUFF;
831
832 /* Get length of data */
833 size = readw(DAQD + DAQDS_wSize);
834
835 /* Read data from the head (unprotected bank 1 access okay
836 since this is only called inside an interrupt) */
837 msnd_outb(HPBLKSEL_1, dev.io + HP_BLKS);
838 msnd_fifo_write_io(
839 &dev.DARF,
840 dev.base + bank * DAR_BUFF_SIZE,
841 size);
842 msnd_outb(HPBLKSEL_0, dev.io + HP_BLKS);
843
844 return 1;
845}
846
847static __inline__ int pack_DAPF_to_DAPQ(register int start)
848{
849 register WORD DAPQ_tail;
850 register int protect = start, nbanks = 0;
851 LPDAQD DAQD;
852
853 DAPQ_tail = readw(dev.DAPQ + JQS_wTail);
854 while (DAPQ_tail != readw(dev.DAPQ + JQS_wHead) || start) {
855 register int bank_num = DAPQ_tail / PCTODSP_OFFSET(DAQDS__size);
856 register int n;
857 unsigned long flags;
858
859 /* Write the data to the new tail */
860 if (protect) {
861 /* Critical section: protect fifo in non-interrupt */
862 spin_lock_irqsave(&dev.lock, flags);
863 n = msnd_fifo_read_io(
864 &dev.DAPF,
865 dev.base + bank_num * DAP_BUFF_SIZE,
866 DAP_BUFF_SIZE);
867 spin_unlock_irqrestore(&dev.lock, flags);
868 } else {
869 n = msnd_fifo_read_io(
870 &dev.DAPF,
871 dev.base + bank_num * DAP_BUFF_SIZE,
872 DAP_BUFF_SIZE);
873 }
874 if (!n)
875 break;
876
877 if (start)
878 start = 0;
879
880 /* Get our digital audio queue struct */
881 DAQD = bank_num * DAQDS__size + dev.base + DAPQ_DATA_BUFF;
882
883 /* Write size of this bank */
884 writew(n, DAQD + DAQDS_wSize);
885 ++nbanks;
886
887 /* Then advance the tail */
888 DAPQ_tail = (++bank_num % 3) * PCTODSP_OFFSET(DAQDS__size);
889 writew(DAPQ_tail, dev.DAPQ + JQS_wTail);
890 /* Tell the DSP to play the bank */
891 msnd_send_dsp_cmd(&dev, HDEX_PLAY_START);
892 }
893 return nbanks;
894}
895
896static int dsp_read(char __user *buf, size_t len)
897{
898 int count = len;
899 char *page = (char *)__get_free_page(GFP_KERNEL);
900
901 if (!page)
902 return -ENOMEM;
903
904 while (count > 0) {
905 int n, k;
906 unsigned long flags;
907
908 k = PAGE_SIZE;
909 if (k > count)
910 k = count;
911
912 /* Critical section: protect fifo in non-interrupt */
913 spin_lock_irqsave(&dev.lock, flags);
914 n = msnd_fifo_read(&dev.DARF, page, k);
915 spin_unlock_irqrestore(&dev.lock, flags);
916 if (copy_to_user(buf, page, n)) {
917 free_page((unsigned long)page);
918 return -EFAULT;
919 }
920 buf += n;
921 count -= n;
922
923 if (n == k && count)
924 continue;
925
926 if (!test_bit(F_READING, &dev.flags) && dev.mode & FMODE_READ) {
927 dev.last_recbank = -1;
928 if (chk_send_dsp_cmd(&dev, HDEX_RECORD_START) == 0)
929 set_bit(F_READING, &dev.flags);
930 }
931
932 if (dev.rec_ndelay) {
933 free_page((unsigned long)page);
934 return count == len ? -EAGAIN : len - count;
935 }
936
937 if (count > 0) {
938 set_bit(F_READBLOCK, &dev.flags);
939 if (!interruptible_sleep_on_timeout(
940 &dev.readblock,
941 get_rec_delay_jiffies(DAR_BUFF_SIZE)))
942 clear_bit(F_READING, &dev.flags);
943 clear_bit(F_READBLOCK, &dev.flags);
944 if (signal_pending(current)) {
945 free_page((unsigned long)page);
946 return -EINTR;
947 }
948 }
949 }
950 free_page((unsigned long)page);
951 return len - count;
952}
953
954static int dsp_write(const char __user *buf, size_t len)
955{
956 int count = len;
957 char *page = (char *)__get_free_page(GFP_KERNEL);
958
959 if (!page)
960 return -ENOMEM;
961
962 while (count > 0) {
963 int n, k;
964 unsigned long flags;
965
966 k = PAGE_SIZE;
967 if (k > count)
968 k = count;
969
970 if (copy_from_user(page, buf, k)) {
971 free_page((unsigned long)page);
972 return -EFAULT;
973 }
974
975 /* Critical section: protect fifo in non-interrupt */
976 spin_lock_irqsave(&dev.lock, flags);
977 n = msnd_fifo_write(&dev.DAPF, page, k);
978 spin_unlock_irqrestore(&dev.lock, flags);
979 buf += n;
980 count -= n;
981
982 if (count && n == k)
983 continue;
984
985 if (!test_bit(F_WRITING, &dev.flags) && (dev.mode & FMODE_WRITE)) {
986 dev.last_playbank = -1;
987 if (pack_DAPF_to_DAPQ(1) > 0)
988 set_bit(F_WRITING, &dev.flags);
989 }
990
991 if (dev.play_ndelay) {
992 free_page((unsigned long)page);
993 return count == len ? -EAGAIN : len - count;
994 }
995
996 if (count > 0) {
997 set_bit(F_WRITEBLOCK, &dev.flags);
998 interruptible_sleep_on_timeout(
999 &dev.writeblock,
1000 get_play_delay_jiffies(DAP_BUFF_SIZE));
1001 clear_bit(F_WRITEBLOCK, &dev.flags);
1002 if (signal_pending(current)) {
1003 free_page((unsigned long)page);
1004 return -EINTR;
1005 }
1006 }
1007 }
1008
1009 free_page((unsigned long)page);
1010 return len - count;
1011}
1012
1013static ssize_t dev_read(struct file *file, char __user *buf, size_t count, loff_t *off)
1014{
1015 int minor = iminor(file->f_path.dentry->d_inode);
1016 if (minor == dev.dsp_minor)
1017 return dsp_read(buf, count);
1018 else
1019 return -EINVAL;
1020}
1021
1022static ssize_t dev_write(struct file *file, const char __user *buf, size_t count, loff_t *off)
1023{
1024 int minor = iminor(file->f_path.dentry->d_inode);
1025 if (minor == dev.dsp_minor)
1026 return dsp_write(buf, count);
1027 else
1028 return -EINVAL;
1029}
1030
1031static __inline__ void eval_dsp_msg(register WORD wMessage)
1032{
1033 switch (HIBYTE(wMessage)) {
1034 case HIMT_PLAY_DONE:
1035 if (dev.last_playbank == LOBYTE(wMessage) || !test_bit(F_WRITING, &dev.flags))
1036 break;
1037 dev.last_playbank = LOBYTE(wMessage);
1038
1039 if (pack_DAPF_to_DAPQ(0) <= 0) {
1040 if (!test_bit(F_WRITEBLOCK, &dev.flags)) {
1041 if (test_and_clear_bit(F_WRITEFLUSH, &dev.flags))
1042 wake_up_interruptible(&dev.writeflush);
1043 }
1044 clear_bit(F_WRITING, &dev.flags);
1045 }
1046
1047 if (test_bit(F_WRITEBLOCK, &dev.flags))
1048 wake_up_interruptible(&dev.writeblock);
1049 break;
1050
1051 case HIMT_RECORD_DONE:
1052 if (dev.last_recbank == LOBYTE(wMessage))
1053 break;
1054 dev.last_recbank = LOBYTE(wMessage);
1055
1056 pack_DARQ_to_DARF(dev.last_recbank);
1057
1058 if (test_bit(F_READBLOCK, &dev.flags))
1059 wake_up_interruptible(&dev.readblock);
1060 break;
1061
1062 case HIMT_DSP:
1063 switch (LOBYTE(wMessage)) {
1064#ifndef MSND_CLASSIC
1065 case HIDSP_PLAY_UNDER:
1066#endif
1067 case HIDSP_INT_PLAY_UNDER:
1068/* printk(KERN_DEBUG LOGNAME ": Play underflow\n"); */
1069 clear_bit(F_WRITING, &dev.flags);
1070 break;
1071
1072 case HIDSP_INT_RECORD_OVER:
1073/* printk(KERN_DEBUG LOGNAME ": Record overflow\n"); */
1074 clear_bit(F_READING, &dev.flags);
1075 break;
1076
1077 default:
1078/* printk(KERN_DEBUG LOGNAME ": DSP message %d 0x%02x\n",
1079 LOBYTE(wMessage), LOBYTE(wMessage)); */
1080 break;
1081 }
1082 break;
1083
1084 case HIMT_MIDI_IN_UCHAR:
1085 if (dev.midi_in_interrupt)
1086 (*dev.midi_in_interrupt)(&dev);
1087 break;
1088
1089 default:
1090/* printk(KERN_DEBUG LOGNAME ": HIMT message %d 0x%02x\n", HIBYTE(wMessage), HIBYTE(wMessage)); */
1091 break;
1092 }
1093}
1094
1095static irqreturn_t intr(int irq, void *dev_id)
1096{
1097 /* Send ack to DSP */
1098 msnd_inb(dev.io + HP_RXL);
1099
1100 /* Evaluate queued DSP messages */
1101 while (readw(dev.DSPQ + JQS_wTail) != readw(dev.DSPQ + JQS_wHead)) {
1102 register WORD wTmp;
1103
1104 eval_dsp_msg(readw(dev.pwDSPQData + 2*readw(dev.DSPQ + JQS_wHead)));
1105
1106 if ((wTmp = readw(dev.DSPQ + JQS_wHead) + 1) > readw(dev.DSPQ + JQS_wSize))
1107 writew(0, dev.DSPQ + JQS_wHead);
1108 else
1109 writew(wTmp, dev.DSPQ + JQS_wHead);
1110 }
1111 return IRQ_HANDLED;
1112}
1113
1114static const struct file_operations dev_fileops = {
1115 .owner = THIS_MODULE,
1116 .read = dev_read,
1117 .write = dev_write,
1118 .unlocked_ioctl = dev_ioctl,
1119 .open = dev_open,
1120 .release = dev_release,
1121 .llseek = noop_llseek,
1122};
1123
1124static int reset_dsp(void)
1125{
1126 int timeout = 100;
1127
1128 msnd_outb(HPDSPRESET_ON, dev.io + HP_DSPR);
1129 mdelay(1);
1130#ifndef MSND_CLASSIC
1131 dev.info = msnd_inb(dev.io + HP_INFO);
1132#endif
1133 msnd_outb(HPDSPRESET_OFF, dev.io + HP_DSPR);
1134 mdelay(1);
1135 while (timeout-- > 0) {
1136 if (msnd_inb(dev.io + HP_CVR) == HP_CVR_DEF)
1137 return 0;
1138 mdelay(1);
1139 }
1140 printk(KERN_ERR LOGNAME ": Cannot reset DSP\n");
1141
1142 return -EIO;
1143}
1144
1145static int __init probe_multisound(void)
1146{
1147#ifndef MSND_CLASSIC
1148 char *xv, *rev = NULL;
1149 char *pin = "Pinnacle", *fiji = "Fiji";
1150 char *pinfiji = "Pinnacle/Fiji";
1151#endif
1152
1153 if (!request_region(dev.io, dev.numio, "probing")) {
1154 printk(KERN_ERR LOGNAME ": I/O port conflict\n");
1155 return -ENODEV;
1156 }
1157
1158 if (reset_dsp() < 0) {
1159 release_region(dev.io, dev.numio);
1160 return -ENODEV;
1161 }
1162
1163#ifdef MSND_CLASSIC
1164 dev.name = "Classic/Tahiti/Monterey";
1165 printk(KERN_INFO LOGNAME ": %s, "
1166#else
1167 switch (dev.info >> 4) {
1168 case 0xf: xv = "<= 1.15"; break;
1169 case 0x1: xv = "1.18/1.2"; break;
1170 case 0x2: xv = "1.3"; break;
1171 case 0x3: xv = "1.4"; break;
1172 default: xv = "unknown"; break;
1173 }
1174
1175 switch (dev.info & 0x7) {
1176 case 0x0: rev = "I"; dev.name = pin; break;
1177 case 0x1: rev = "F"; dev.name = pin; break;
1178 case 0x2: rev = "G"; dev.name = pin; break;
1179 case 0x3: rev = "H"; dev.name = pin; break;
1180 case 0x4: rev = "E"; dev.name = fiji; break;
1181 case 0x5: rev = "C"; dev.name = fiji; break;
1182 case 0x6: rev = "D"; dev.name = fiji; break;
1183 case 0x7:
1184 rev = "A-B (Fiji) or A-E (Pinnacle)";
1185 dev.name = pinfiji;
1186 break;
1187 }
1188 printk(KERN_INFO LOGNAME ": %s revision %s, Xilinx version %s, "
1189#endif /* MSND_CLASSIC */
1190 "I/O 0x%x-0x%x, IRQ %d, memory mapped to %p-%p\n",
1191 dev.name,
1192#ifndef MSND_CLASSIC
1193 rev, xv,
1194#endif
1195 dev.io, dev.io + dev.numio - 1,
1196 dev.irq,
1197 dev.base, dev.base + 0x7fff);
1198
1199 release_region(dev.io, dev.numio);
1200 return 0;
1201}
1202
1203static int init_sma(void)
1204{
1205 static int initted;
1206 WORD mastVolLeft, mastVolRight;
1207 unsigned long flags;
1208
1209#ifdef MSND_CLASSIC
1210 msnd_outb(dev.memid, dev.io + HP_MEMM);
1211#endif
1212 msnd_outb(HPBLKSEL_0, dev.io + HP_BLKS);
1213 if (initted) {
1214 mastVolLeft = readw(dev.SMA + SMA_wCurrMastVolLeft);
1215 mastVolRight = readw(dev.SMA + SMA_wCurrMastVolRight);
1216 } else
1217 mastVolLeft = mastVolRight = 0;
1218 memset_io(dev.base, 0, 0x8000);
1219
1220 /* Critical section: bank 1 access */
1221 spin_lock_irqsave(&dev.lock, flags);
1222 msnd_outb(HPBLKSEL_1, dev.io + HP_BLKS);
1223 memset_io(dev.base, 0, 0x8000);
1224 msnd_outb(HPBLKSEL_0, dev.io + HP_BLKS);
1225 spin_unlock_irqrestore(&dev.lock, flags);
1226
1227 dev.pwDSPQData = (dev.base + DSPQ_DATA_BUFF);
1228 dev.pwMODQData = (dev.base + MODQ_DATA_BUFF);
1229 dev.pwMIDQData = (dev.base + MIDQ_DATA_BUFF);
1230
1231 /* Motorola 56k shared memory base */
1232 dev.SMA = dev.base + SMA_STRUCT_START;
1233
1234 /* Digital audio play queue */
1235 dev.DAPQ = dev.base + DAPQ_OFFSET;
1236 msnd_init_queue(dev.DAPQ, DAPQ_DATA_BUFF, DAPQ_BUFF_SIZE);
1237
1238 /* Digital audio record queue */
1239 dev.DARQ = dev.base + DARQ_OFFSET;
1240 msnd_init_queue(dev.DARQ, DARQ_DATA_BUFF, DARQ_BUFF_SIZE);
1241
1242 /* MIDI out queue */
1243 dev.MODQ = dev.base + MODQ_OFFSET;
1244 msnd_init_queue(dev.MODQ, MODQ_DATA_BUFF, MODQ_BUFF_SIZE);
1245
1246 /* MIDI in queue */
1247 dev.MIDQ = dev.base + MIDQ_OFFSET;
1248 msnd_init_queue(dev.MIDQ, MIDQ_DATA_BUFF, MIDQ_BUFF_SIZE);
1249
1250 /* DSP -> host message queue */
1251 dev.DSPQ = dev.base + DSPQ_OFFSET;
1252 msnd_init_queue(dev.DSPQ, DSPQ_DATA_BUFF, DSPQ_BUFF_SIZE);
1253
1254 /* Setup some DSP values */
1255#ifndef MSND_CLASSIC
1256 writew(1, dev.SMA + SMA_wCurrPlayFormat);
1257 writew(dev.play_sample_size, dev.SMA + SMA_wCurrPlaySampleSize);
1258 writew(dev.play_channels, dev.SMA + SMA_wCurrPlayChannels);
1259 writew(dev.play_sample_rate, dev.SMA + SMA_wCurrPlaySampleRate);
1260#endif
1261 writew(dev.play_sample_rate, dev.SMA + SMA_wCalFreqAtoD);
1262 writew(mastVolLeft, dev.SMA + SMA_wCurrMastVolLeft);
1263 writew(mastVolRight, dev.SMA + SMA_wCurrMastVolRight);
1264#ifndef MSND_CLASSIC
1265 writel(0x00010000, dev.SMA + SMA_dwCurrPlayPitch);
1266 writel(0x00000001, dev.SMA + SMA_dwCurrPlayRate);
1267#endif
1268 writew(0x303, dev.SMA + SMA_wCurrInputTagBits);
1269
1270 initted = 1;
1271
1272 return 0;
1273}
1274
1275static int __init calibrate_adc(WORD srate)
1276{
1277 writew(srate, dev.SMA + SMA_wCalFreqAtoD);
1278 if (dev.calibrate_signal == 0)
1279 writew(readw(dev.SMA + SMA_wCurrHostStatusFlags)
1280 | 0x0001, dev.SMA + SMA_wCurrHostStatusFlags);
1281 else
1282 writew(readw(dev.SMA + SMA_wCurrHostStatusFlags)
1283 & ~0x0001, dev.SMA + SMA_wCurrHostStatusFlags);
1284 if (msnd_send_word(&dev, 0, 0, HDEXAR_CAL_A_TO_D) == 0 &&
1285 chk_send_dsp_cmd(&dev, HDEX_AUX_REQ) == 0) {
1286 current->state = TASK_INTERRUPTIBLE;
1287 schedule_timeout(HZ / 3);
1288 return 0;
1289 }
1290 printk(KERN_WARNING LOGNAME ": ADC calibration failed\n");
1291
1292 return -EIO;
1293}
1294
1295static int upload_dsp_code(void)
1296{
1297 int ret = 0;
1298
1299 msnd_outb(HPBLKSEL_0, dev.io + HP_BLKS);
1300#ifndef HAVE_DSPCODEH
1301 INITCODESIZE = mod_firmware_load(INITCODEFILE, &INITCODE);
1302 if (!INITCODE) {
1303 printk(KERN_ERR LOGNAME ": Error loading " INITCODEFILE);
1304 return -EBUSY;
1305 }
1306
1307 PERMCODESIZE = mod_firmware_load(PERMCODEFILE, &PERMCODE);
1308 if (!PERMCODE) {
1309 printk(KERN_ERR LOGNAME ": Error loading " PERMCODEFILE);
1310 vfree(INITCODE);
1311 return -EBUSY;
1312 }
1313#endif
1314 memcpy_toio(dev.base, PERMCODE, PERMCODESIZE);
1315 if (msnd_upload_host(&dev, INITCODE, INITCODESIZE) < 0) {
1316 printk(KERN_WARNING LOGNAME ": Error uploading to DSP\n");
1317 ret = -ENODEV;
1318 goto out;
1319 }
1320#ifdef HAVE_DSPCODEH
1321 printk(KERN_INFO LOGNAME ": DSP firmware uploaded (resident)\n");
1322#else
1323 printk(KERN_INFO LOGNAME ": DSP firmware uploaded\n");
1324#endif
1325
1326out:
1327#ifndef HAVE_DSPCODEH
1328 vfree(INITCODE);
1329 vfree(PERMCODE);
1330#endif
1331
1332 return ret;
1333}
1334
1335#ifdef MSND_CLASSIC
1336static void reset_proteus(void)
1337{
1338 msnd_outb(HPPRORESET_ON, dev.io + HP_PROR);
1339 mdelay(TIME_PRO_RESET);
1340 msnd_outb(HPPRORESET_OFF, dev.io + HP_PROR);
1341 mdelay(TIME_PRO_RESET_DONE);
1342}
1343#endif
1344
1345static int initialize(void)
1346{
1347 int err, timeout;
1348
1349#ifdef MSND_CLASSIC
1350 msnd_outb(HPWAITSTATE_0, dev.io + HP_WAIT);
1351 msnd_outb(HPBITMODE_16, dev.io + HP_BITM);
1352
1353 reset_proteus();
1354#endif
1355 if ((err = init_sma()) < 0) {
1356 printk(KERN_WARNING LOGNAME ": Cannot initialize SMA\n");
1357 return err;
1358 }
1359
1360 if ((err = reset_dsp()) < 0)
1361 return err;
1362
1363 if ((err = upload_dsp_code()) < 0) {
1364 printk(KERN_WARNING LOGNAME ": Cannot upload DSP code\n");
1365 return err;
1366 }
1367
1368 timeout = 200;
1369 while (readw(dev.base)) {
1370 mdelay(1);
1371 if (!timeout--) {
1372 printk(KERN_DEBUG LOGNAME ": DSP reset timeout\n");
1373 return -EIO;
1374 }
1375 }
1376
1377 mixer_setup();
1378
1379 return 0;
1380}
1381
1382static int dsp_full_reset(void)
1383{
1384 int rv;
1385
1386 if (test_bit(F_RESETTING, &dev.flags) || ++dev.nresets > 10)
1387 return 0;
1388
1389 set_bit(F_RESETTING, &dev.flags);
1390 printk(KERN_INFO LOGNAME ": DSP reset\n");
1391 dsp_halt(NULL); /* Unconditionally halt */
1392 if ((rv = initialize()))
1393 printk(KERN_WARNING LOGNAME ": DSP reset failed\n");
1394 force_recsrc(dev.recsrc);
1395 dsp_open(NULL);
1396 clear_bit(F_RESETTING, &dev.flags);
1397
1398 return rv;
1399}
1400
1401static int __init attach_multisound(void)
1402{
1403 int err;
1404
1405 if ((err = request_irq(dev.irq, intr, 0, dev.name, &dev)) < 0) {
1406 printk(KERN_ERR LOGNAME ": Couldn't grab IRQ %d\n", dev.irq);
1407 return err;
1408 }
1409 if (request_region(dev.io, dev.numio, dev.name) == NULL) {
1410 free_irq(dev.irq, &dev);
1411 return -EBUSY;
1412 }
1413
1414 err = dsp_full_reset();
1415 if (err < 0) {
1416 release_region(dev.io, dev.numio);
1417 free_irq(dev.irq, &dev);
1418 return err;
1419 }
1420
1421 if ((err = msnd_register(&dev)) < 0) {
1422 printk(KERN_ERR LOGNAME ": Unable to register MultiSound\n");
1423 release_region(dev.io, dev.numio);
1424 free_irq(dev.irq, &dev);
1425 return err;
1426 }
1427
1428 if ((dev.dsp_minor = register_sound_dsp(&dev_fileops, -1)) < 0) {
1429 printk(KERN_ERR LOGNAME ": Unable to register DSP operations\n");
1430 msnd_unregister(&dev);
1431 release_region(dev.io, dev.numio);
1432 free_irq(dev.irq, &dev);
1433 return dev.dsp_minor;
1434 }
1435
1436 if ((dev.mixer_minor = register_sound_mixer(&dev_fileops, -1)) < 0) {
1437 printk(KERN_ERR LOGNAME ": Unable to register mixer operations\n");
1438 unregister_sound_mixer(dev.mixer_minor);
1439 msnd_unregister(&dev);
1440 release_region(dev.io, dev.numio);
1441 free_irq(dev.irq, &dev);
1442 return dev.mixer_minor;
1443 }
1444
1445 dev.ext_midi_dev = dev.hdr_midi_dev = -1;
1446
1447 disable_irq(dev.irq);
1448 calibrate_adc(dev.play_sample_rate);
1449#ifndef MSND_CLASSIC
1450 force_recsrc(SOUND_MASK_IMIX);
1451#endif
1452
1453 return 0;
1454}
1455
1456static void __exit unload_multisound(void)
1457{
1458 release_region(dev.io, dev.numio);
1459 free_irq(dev.irq, &dev);
1460 unregister_sound_mixer(dev.mixer_minor);
1461 unregister_sound_dsp(dev.dsp_minor);
1462 msnd_unregister(&dev);
1463}
1464
1465#ifndef MSND_CLASSIC
1466
1467/* Pinnacle/Fiji Logical Device Configuration */
1468
1469static int __init msnd_write_cfg(int cfg, int reg, int value)
1470{
1471 msnd_outb(reg, cfg);
1472 msnd_outb(value, cfg + 1);
1473 if (value != msnd_inb(cfg + 1)) {
1474 printk(KERN_ERR LOGNAME ": msnd_write_cfg: I/O error\n");
1475 return -EIO;
1476 }
1477 return 0;
1478}
1479
1480static int __init msnd_write_cfg_io0(int cfg, int num, WORD io)
1481{
1482 if (msnd_write_cfg(cfg, IREG_LOGDEVICE, num))
1483 return -EIO;
1484 if (msnd_write_cfg(cfg, IREG_IO0_BASEHI, HIBYTE(io)))
1485 return -EIO;
1486 if (msnd_write_cfg(cfg, IREG_IO0_BASELO, LOBYTE(io)))
1487 return -EIO;
1488 return 0;
1489}
1490
1491static int __init msnd_write_cfg_io1(int cfg, int num, WORD io)
1492{
1493 if (msnd_write_cfg(cfg, IREG_LOGDEVICE, num))
1494 return -EIO;
1495 if (msnd_write_cfg(cfg, IREG_IO1_BASEHI, HIBYTE(io)))
1496 return -EIO;
1497 if (msnd_write_cfg(cfg, IREG_IO1_BASELO, LOBYTE(io)))
1498 return -EIO;
1499 return 0;
1500}
1501
1502static int __init msnd_write_cfg_irq(int cfg, int num, WORD irq)
1503{
1504 if (msnd_write_cfg(cfg, IREG_LOGDEVICE, num))
1505 return -EIO;
1506 if (msnd_write_cfg(cfg, IREG_IRQ_NUMBER, LOBYTE(irq)))
1507 return -EIO;
1508 if (msnd_write_cfg(cfg, IREG_IRQ_TYPE, IRQTYPE_EDGE))
1509 return -EIO;
1510 return 0;
1511}
1512
1513static int __init msnd_write_cfg_mem(int cfg, int num, int mem)
1514{
1515 WORD wmem;
1516
1517 mem >>= 8;
1518 mem &= 0xfff;
1519 wmem = (WORD)mem;
1520 if (msnd_write_cfg(cfg, IREG_LOGDEVICE, num))
1521 return -EIO;
1522 if (msnd_write_cfg(cfg, IREG_MEMBASEHI, HIBYTE(wmem)))
1523 return -EIO;
1524 if (msnd_write_cfg(cfg, IREG_MEMBASELO, LOBYTE(wmem)))
1525 return -EIO;
1526 if (wmem && msnd_write_cfg(cfg, IREG_MEMCONTROL, (MEMTYPE_HIADDR | MEMTYPE_16BIT)))
1527 return -EIO;
1528 return 0;
1529}
1530
1531static int __init msnd_activate_logical(int cfg, int num)
1532{
1533 if (msnd_write_cfg(cfg, IREG_LOGDEVICE, num))
1534 return -EIO;
1535 if (msnd_write_cfg(cfg, IREG_ACTIVATE, LD_ACTIVATE))
1536 return -EIO;
1537 return 0;
1538}
1539
1540static int __init msnd_write_cfg_logical(int cfg, int num, WORD io0, WORD io1, WORD irq, int mem)
1541{
1542 if (msnd_write_cfg(cfg, IREG_LOGDEVICE, num))
1543 return -EIO;
1544 if (msnd_write_cfg_io0(cfg, num, io0))
1545 return -EIO;
1546 if (msnd_write_cfg_io1(cfg, num, io1))
1547 return -EIO;
1548 if (msnd_write_cfg_irq(cfg, num, irq))
1549 return -EIO;
1550 if (msnd_write_cfg_mem(cfg, num, mem))
1551 return -EIO;
1552 if (msnd_activate_logical(cfg, num))
1553 return -EIO;
1554 return 0;
1555}
1556
1557typedef struct msnd_pinnacle_cfg_device {
1558 WORD io0, io1, irq;
1559 int mem;
1560} msnd_pinnacle_cfg_t[4];
1561
1562static int __init msnd_pinnacle_cfg_devices(int cfg, int reset, msnd_pinnacle_cfg_t device)
1563{
1564 int i;
1565
1566 /* Reset devices if told to */
1567 if (reset) {
1568 printk(KERN_INFO LOGNAME ": Resetting all devices\n");
1569 for (i = 0; i < 4; ++i)
1570 if (msnd_write_cfg_logical(cfg, i, 0, 0, 0, 0))
1571 return -EIO;
1572 }
1573
1574 /* Configure specified devices */
1575 for (i = 0; i < 4; ++i) {
1576
1577 switch (i) {
1578 case 0: /* DSP */
1579 if (!(device[i].io0 && device[i].irq && device[i].mem))
1580 continue;
1581 break;
1582 case 1: /* MPU */
1583 if (!(device[i].io0 && device[i].irq))
1584 continue;
1585 printk(KERN_INFO LOGNAME
1586 ": Configuring MPU to I/O 0x%x IRQ %d\n",
1587 device[i].io0, device[i].irq);
1588 break;
1589 case 2: /* IDE */
1590 if (!(device[i].io0 && device[i].io1 && device[i].irq))
1591 continue;
1592 printk(KERN_INFO LOGNAME
1593 ": Configuring IDE to I/O 0x%x, 0x%x IRQ %d\n",
1594 device[i].io0, device[i].io1, device[i].irq);
1595 break;
1596 case 3: /* Joystick */
1597 if (!(device[i].io0))
1598 continue;
1599 printk(KERN_INFO LOGNAME
1600 ": Configuring joystick to I/O 0x%x\n",
1601 device[i].io0);
1602 break;
1603 }
1604
1605 /* Configure the device */
1606 if (msnd_write_cfg_logical(cfg, i, device[i].io0, device[i].io1, device[i].irq, device[i].mem))
1607 return -EIO;
1608 }
1609
1610 return 0;
1611}
1612#endif
1613
1614#ifdef MODULE
1615MODULE_AUTHOR ("Andrew Veliath <andrewtv@usa.net>");
1616MODULE_DESCRIPTION ("Turtle Beach " LONGNAME " Linux Driver");
1617MODULE_LICENSE("GPL");
1618
1619static int io __initdata = -1;
1620static int irq __initdata = -1;
1621static int mem __initdata = -1;
1622static int write_ndelay __initdata = -1;
1623
1624#ifndef MSND_CLASSIC
1625/* Pinnacle/Fiji non-PnP Config Port */
1626static int cfg __initdata = -1;
1627
1628/* Extra Peripheral Configuration */
1629static int reset __initdata = 0;
1630static int mpu_io __initdata = 0;
1631static int mpu_irq __initdata = 0;
1632static int ide_io0 __initdata = 0;
1633static int ide_io1 __initdata = 0;
1634static int ide_irq __initdata = 0;
1635static int joystick_io __initdata = 0;
1636
1637/* If we have the digital daugherboard... */
1638static bool digital __initdata = false;
1639#endif
1640
1641static int fifosize __initdata = DEFFIFOSIZE;
1642static int calibrate_signal __initdata = 0;
1643
1644#else /* not a module */
1645
1646static int write_ndelay __initdata = -1;
1647
1648#ifdef MSND_CLASSIC
1649static int io __initdata = CONFIG_MSNDCLAS_IO;
1650static int irq __initdata = CONFIG_MSNDCLAS_IRQ;
1651static int mem __initdata = CONFIG_MSNDCLAS_MEM;
1652#else /* Pinnacle/Fiji */
1653
1654static int io __initdata = CONFIG_MSNDPIN_IO;
1655static int irq __initdata = CONFIG_MSNDPIN_IRQ;
1656static int mem __initdata = CONFIG_MSNDPIN_MEM;
1657
1658/* Pinnacle/Fiji non-PnP Config Port */
1659#ifdef CONFIG_MSNDPIN_NONPNP
1660# ifndef CONFIG_MSNDPIN_CFG
1661# define CONFIG_MSNDPIN_CFG 0x250
1662# endif
1663#else
1664# ifdef CONFIG_MSNDPIN_CFG
1665# undef CONFIG_MSNDPIN_CFG
1666# endif
1667# define CONFIG_MSNDPIN_CFG -1
1668#endif
1669static int cfg __initdata = CONFIG_MSNDPIN_CFG;
1670/* If not a module, we don't need to bother with reset=1 */
1671static int reset;
1672
1673/* Extra Peripheral Configuration (Default: Disable) */
1674#ifndef CONFIG_MSNDPIN_MPU_IO
1675# define CONFIG_MSNDPIN_MPU_IO 0
1676#endif
1677static int mpu_io __initdata = CONFIG_MSNDPIN_MPU_IO;
1678
1679#ifndef CONFIG_MSNDPIN_MPU_IRQ
1680# define CONFIG_MSNDPIN_MPU_IRQ 0
1681#endif
1682static int mpu_irq __initdata = CONFIG_MSNDPIN_MPU_IRQ;
1683
1684#ifndef CONFIG_MSNDPIN_IDE_IO0
1685# define CONFIG_MSNDPIN_IDE_IO0 0
1686#endif
1687static int ide_io0 __initdata = CONFIG_MSNDPIN_IDE_IO0;
1688
1689#ifndef CONFIG_MSNDPIN_IDE_IO1
1690# define CONFIG_MSNDPIN_IDE_IO1 0
1691#endif
1692static int ide_io1 __initdata = CONFIG_MSNDPIN_IDE_IO1;
1693
1694#ifndef CONFIG_MSNDPIN_IDE_IRQ
1695# define CONFIG_MSNDPIN_IDE_IRQ 0
1696#endif
1697static int ide_irq __initdata = CONFIG_MSNDPIN_IDE_IRQ;
1698
1699#ifndef CONFIG_MSNDPIN_JOYSTICK_IO
1700# define CONFIG_MSNDPIN_JOYSTICK_IO 0
1701#endif
1702static int joystick_io __initdata = CONFIG_MSNDPIN_JOYSTICK_IO;
1703
1704/* Have SPDIF (Digital) Daughterboard */
1705#ifndef CONFIG_MSNDPIN_DIGITAL
1706# define CONFIG_MSNDPIN_DIGITAL 0
1707#endif
1708static bool digital __initdata = CONFIG_MSNDPIN_DIGITAL;
1709
1710#endif /* MSND_CLASSIC */
1711
1712#ifndef CONFIG_MSND_FIFOSIZE
1713# define CONFIG_MSND_FIFOSIZE DEFFIFOSIZE
1714#endif
1715static int fifosize __initdata = CONFIG_MSND_FIFOSIZE;
1716
1717#ifndef CONFIG_MSND_CALSIGNAL
1718# define CONFIG_MSND_CALSIGNAL 0
1719#endif
1720static int
1721calibrate_signal __initdata = CONFIG_MSND_CALSIGNAL;
1722#endif /* MODULE */
1723
1724module_param (io, int, 0);
1725module_param (irq, int, 0);
1726module_param (mem, int, 0);
1727module_param (write_ndelay, int, 0);
1728module_param (fifosize, int, 0);
1729module_param (calibrate_signal, int, 0);
1730#ifndef MSND_CLASSIC
1731module_param (digital, bool, 0);
1732module_param (cfg, int, 0);
1733module_param (reset, int, 0);
1734module_param (mpu_io, int, 0);
1735module_param (mpu_irq, int, 0);
1736module_param (ide_io0, int, 0);
1737module_param (ide_io1, int, 0);
1738module_param (ide_irq, int, 0);
1739module_param (joystick_io, int, 0);
1740#endif
1741
1742static int __init msnd_init(void)
1743{
1744 int err;
1745#ifndef MSND_CLASSIC
1746 static msnd_pinnacle_cfg_t pinnacle_devs;
1747#endif /* MSND_CLASSIC */
1748
1749 printk(KERN_INFO LOGNAME ": Turtle Beach " LONGNAME " Linux Driver Version "
1750 VERSION ", Copyright (C) 1998 Andrew Veliath\n");
1751
1752 if (io == -1 || irq == -1 || mem == -1)
1753 printk(KERN_WARNING LOGNAME ": io, irq and mem must be set\n");
1754
1755#ifdef MSND_CLASSIC
1756 if (io == -1 ||
1757 !(io == 0x290 ||
1758 io == 0x260 ||
1759 io == 0x250 ||
1760 io == 0x240 ||
1761 io == 0x230 ||
1762 io == 0x220 ||
1763 io == 0x210 ||
1764 io == 0x3e0)) {
1765 printk(KERN_ERR LOGNAME ": \"io\" - DSP I/O base must be set to 0x210, 0x220, 0x230, 0x240, 0x250, 0x260, 0x290, or 0x3E0\n");
1766 return -EINVAL;
1767 }
1768#else
1769 if (io == -1 ||
1770 io < 0x100 ||
1771 io > 0x3e0 ||
1772 (io % 0x10) != 0) {
1773 printk(KERN_ERR LOGNAME ": \"io\" - DSP I/O base must within the range 0x100 to 0x3E0 and must be evenly divisible by 0x10\n");
1774 return -EINVAL;
1775 }
1776#endif /* MSND_CLASSIC */
1777
1778 if (irq == -1 ||
1779 !(irq == 5 ||
1780 irq == 7 ||
1781 irq == 9 ||
1782 irq == 10 ||
1783 irq == 11 ||
1784 irq == 12)) {
1785 printk(KERN_ERR LOGNAME ": \"irq\" - must be set to 5, 7, 9, 10, 11 or 12\n");
1786 return -EINVAL;
1787 }
1788
1789 if (mem == -1 ||
1790 !(mem == 0xb0000 ||
1791 mem == 0xc8000 ||
1792 mem == 0xd0000 ||
1793 mem == 0xd8000 ||
1794 mem == 0xe0000 ||
1795 mem == 0xe8000)) {
1796 printk(KERN_ERR LOGNAME ": \"mem\" - must be set to "
1797 "0xb0000, 0xc8000, 0xd0000, 0xd8000, 0xe0000 or 0xe8000\n");
1798 return -EINVAL;
1799 }
1800
1801#ifdef MSND_CLASSIC
1802 switch (irq) {
1803 case 5: dev.irqid = HPIRQ_5; break;
1804 case 7: dev.irqid = HPIRQ_7; break;
1805 case 9: dev.irqid = HPIRQ_9; break;
1806 case 10: dev.irqid = HPIRQ_10; break;
1807 case 11: dev.irqid = HPIRQ_11; break;
1808 case 12: dev.irqid = HPIRQ_12; break;
1809 }
1810
1811 switch (mem) {
1812 case 0xb0000: dev.memid = HPMEM_B000; break;
1813 case 0xc8000: dev.memid = HPMEM_C800; break;
1814 case 0xd0000: dev.memid = HPMEM_D000; break;
1815 case 0xd8000: dev.memid = HPMEM_D800; break;
1816 case 0xe0000: dev.memid = HPMEM_E000; break;
1817 case 0xe8000: dev.memid = HPMEM_E800; break;
1818 }
1819#else
1820 if (cfg == -1) {
1821 printk(KERN_INFO LOGNAME ": Assuming PnP mode\n");
1822 } else if (cfg != 0x250 && cfg != 0x260 && cfg != 0x270) {
1823 printk(KERN_INFO LOGNAME ": Config port must be 0x250, 0x260 or 0x270 (or unspecified for PnP mode)\n");
1824 return -EINVAL;
1825 } else {
1826 printk(KERN_INFO LOGNAME ": Non-PnP mode: configuring at port 0x%x\n", cfg);
1827
1828 /* DSP */
1829 pinnacle_devs[0].io0 = io;
1830 pinnacle_devs[0].irq = irq;
1831 pinnacle_devs[0].mem = mem;
1832
1833 /* The following are Pinnacle specific */
1834
1835 /* MPU */
1836 pinnacle_devs[1].io0 = mpu_io;
1837 pinnacle_devs[1].irq = mpu_irq;
1838
1839 /* IDE */
1840 pinnacle_devs[2].io0 = ide_io0;
1841 pinnacle_devs[2].io1 = ide_io1;
1842 pinnacle_devs[2].irq = ide_irq;
1843
1844 /* Joystick */
1845 pinnacle_devs[3].io0 = joystick_io;
1846
1847 if (!request_region(cfg, 2, "Pinnacle/Fiji Config")) {
1848 printk(KERN_ERR LOGNAME ": Config port 0x%x conflict\n", cfg);
1849 return -EIO;
1850 }
1851
1852 if (msnd_pinnacle_cfg_devices(cfg, reset, pinnacle_devs)) {
1853 printk(KERN_ERR LOGNAME ": Device configuration error\n");
1854 release_region(cfg, 2);
1855 return -EIO;
1856 }
1857 release_region(cfg, 2);
1858 }
1859#endif /* MSND_CLASSIC */
1860
1861 if (fifosize < 16)
1862 fifosize = 16;
1863
1864 if (fifosize > 1024)
1865 fifosize = 1024;
1866
1867 set_default_audio_parameters();
1868#ifdef MSND_CLASSIC
1869 dev.type = msndClassic;
1870#else
1871 dev.type = msndPinnacle;
1872#endif
1873 dev.io = io;
1874 dev.numio = DSP_NUMIO;
1875 dev.irq = irq;
1876 dev.base = ioremap(mem, 0x8000);
1877 dev.fifosize = fifosize * 1024;
1878 dev.calibrate_signal = calibrate_signal ? 1 : 0;
1879 dev.recsrc = 0;
1880 dev.dspq_data_buff = DSPQ_DATA_BUFF;
1881 dev.dspq_buff_size = DSPQ_BUFF_SIZE;
1882 if (write_ndelay == -1)
1883 write_ndelay = CONFIG_MSND_WRITE_NDELAY;
1884 if (write_ndelay)
1885 clear_bit(F_DISABLE_WRITE_NDELAY, &dev.flags);
1886 else
1887 set_bit(F_DISABLE_WRITE_NDELAY, &dev.flags);
1888#ifndef MSND_CLASSIC
1889 if (digital)
1890 set_bit(F_HAVEDIGITAL, &dev.flags);
1891#endif
1892 init_waitqueue_head(&dev.writeblock);
1893 init_waitqueue_head(&dev.readblock);
1894 init_waitqueue_head(&dev.writeflush);
1895 msnd_fifo_init(&dev.DAPF);
1896 msnd_fifo_init(&dev.DARF);
1897 spin_lock_init(&dev.lock);
1898 printk(KERN_INFO LOGNAME ": %u byte audio FIFOs (x2)\n", dev.fifosize);
1899 if ((err = msnd_fifo_alloc(&dev.DAPF, dev.fifosize)) < 0) {
1900 printk(KERN_ERR LOGNAME ": Couldn't allocate write FIFO\n");
1901 return err;
1902 }
1903
1904 if ((err = msnd_fifo_alloc(&dev.DARF, dev.fifosize)) < 0) {
1905 printk(KERN_ERR LOGNAME ": Couldn't allocate read FIFO\n");
1906 msnd_fifo_free(&dev.DAPF);
1907 return err;
1908 }
1909
1910 if ((err = probe_multisound()) < 0) {
1911 printk(KERN_ERR LOGNAME ": Probe failed\n");
1912 msnd_fifo_free(&dev.DAPF);
1913 msnd_fifo_free(&dev.DARF);
1914 return err;
1915 }
1916
1917 if ((err = attach_multisound()) < 0) {
1918 printk(KERN_ERR LOGNAME ": Attach failed\n");
1919 msnd_fifo_free(&dev.DAPF);
1920 msnd_fifo_free(&dev.DARF);
1921 return err;
1922 }
1923
1924 return 0;
1925}
1926
1927static void __exit msdn_cleanup(void)
1928{
1929 unload_multisound();
1930 msnd_fifo_free(&dev.DAPF);
1931 msnd_fifo_free(&dev.DARF);
1932}
1933
1934module_init(msnd_init);
1935module_exit(msdn_cleanup);