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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_inode(file));
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 int timeout = get_play_delay_jiffies(dev.DAPF.len);
668
669 if (!(dev.mode & FMODE_WRITE) || !test_bit(F_WRITING, &dev.flags))
670 return;
671 set_bit(F_WRITEFLUSH, &dev.flags);
672 wait_event_interruptible_timeout(
673 dev.writeflush,
674 !test_bit(F_WRITEFLUSH, &dev.flags),
675 timeout);
676 clear_bit(F_WRITEFLUSH, &dev.flags);
677 if (!signal_pending(current)) {
678 current->state = TASK_INTERRUPTIBLE;
679 schedule_timeout(get_play_delay_jiffies(DAP_BUFF_SIZE));
680 }
681 clear_bit(F_WRITING, &dev.flags);
682}
683
684static void dsp_halt(struct file *file)
685{
686 if ((file ? file->f_mode : dev.mode) & FMODE_READ) {
687 clear_bit(F_READING, &dev.flags);
688 chk_send_dsp_cmd(&dev, HDEX_RECORD_STOP);
689 msnd_disable_irq(&dev);
690 if (file) {
691 printk(KERN_DEBUG LOGNAME ": Stopping read for %p\n", file);
692 dev.mode &= ~FMODE_READ;
693 }
694 clear_bit(F_AUDIO_READ_INUSE, &dev.flags);
695 }
696 if ((file ? file->f_mode : dev.mode) & FMODE_WRITE) {
697 if (test_bit(F_WRITING, &dev.flags)) {
698 dsp_write_flush();
699 chk_send_dsp_cmd(&dev, HDEX_PLAY_STOP);
700 }
701 msnd_disable_irq(&dev);
702 if (file) {
703 printk(KERN_DEBUG LOGNAME ": Stopping write for %p\n", file);
704 dev.mode &= ~FMODE_WRITE;
705 }
706 clear_bit(F_AUDIO_WRITE_INUSE, &dev.flags);
707 }
708}
709
710static int dsp_release(struct file *file)
711{
712 dsp_halt(file);
713 return 0;
714}
715
716static int dsp_open(struct file *file)
717{
718 if ((file ? file->f_mode : dev.mode) & FMODE_WRITE) {
719 set_bit(F_AUDIO_WRITE_INUSE, &dev.flags);
720 clear_bit(F_WRITING, &dev.flags);
721 msnd_fifo_make_empty(&dev.DAPF);
722 reset_play_queue();
723 if (file) {
724 printk(KERN_DEBUG LOGNAME ": Starting write for %p\n", file);
725 dev.mode |= FMODE_WRITE;
726 }
727 msnd_enable_irq(&dev);
728 }
729 if ((file ? file->f_mode : dev.mode) & FMODE_READ) {
730 set_bit(F_AUDIO_READ_INUSE, &dev.flags);
731 clear_bit(F_READING, &dev.flags);
732 msnd_fifo_make_empty(&dev.DARF);
733 reset_record_queue();
734 if (file) {
735 printk(KERN_DEBUG LOGNAME ": Starting read for %p\n", file);
736 dev.mode |= FMODE_READ;
737 }
738 msnd_enable_irq(&dev);
739 }
740 return 0;
741}
742
743static void set_default_play_audio_parameters(void)
744{
745 dev.play_sample_size = DEFSAMPLESIZE;
746 dev.play_sample_rate = DEFSAMPLERATE;
747 dev.play_channels = DEFCHANNELS;
748}
749
750static void set_default_rec_audio_parameters(void)
751{
752 dev.rec_sample_size = DEFSAMPLESIZE;
753 dev.rec_sample_rate = DEFSAMPLERATE;
754 dev.rec_channels = DEFCHANNELS;
755}
756
757static void set_default_audio_parameters(void)
758{
759 set_default_play_audio_parameters();
760 set_default_rec_audio_parameters();
761}
762
763static int dev_open(struct inode *inode, struct file *file)
764{
765 int minor = iminor(inode);
766 int err = 0;
767
768 mutex_lock(&msnd_pinnacle_mutex);
769 if (minor == dev.dsp_minor) {
770 if ((file->f_mode & FMODE_WRITE &&
771 test_bit(F_AUDIO_WRITE_INUSE, &dev.flags)) ||
772 (file->f_mode & FMODE_READ &&
773 test_bit(F_AUDIO_READ_INUSE, &dev.flags))) {
774 err = -EBUSY;
775 goto out;
776 }
777
778 if ((err = dsp_open(file)) >= 0) {
779 dev.nresets = 0;
780 if (file->f_mode & FMODE_WRITE) {
781 set_default_play_audio_parameters();
782 if (!test_bit(F_DISABLE_WRITE_NDELAY, &dev.flags))
783 dev.play_ndelay = (file->f_flags & O_NDELAY) ? 1 : 0;
784 else
785 dev.play_ndelay = 0;
786 }
787 if (file->f_mode & FMODE_READ) {
788 set_default_rec_audio_parameters();
789 dev.rec_ndelay = (file->f_flags & O_NDELAY) ? 1 : 0;
790 }
791 }
792 }
793 else if (minor == dev.mixer_minor) {
794 /* nothing */
795 } else
796 err = -EINVAL;
797out:
798 mutex_unlock(&msnd_pinnacle_mutex);
799 return err;
800}
801
802static int dev_release(struct inode *inode, struct file *file)
803{
804 int minor = iminor(inode);
805 int err = 0;
806
807 mutex_lock(&msnd_pinnacle_mutex);
808 if (minor == dev.dsp_minor)
809 err = dsp_release(file);
810 else if (minor == dev.mixer_minor) {
811 /* nothing */
812 } else
813 err = -EINVAL;
814 mutex_unlock(&msnd_pinnacle_mutex);
815 return err;
816}
817
818static __inline__ int pack_DARQ_to_DARF(register int bank)
819{
820 register int size, timeout = 3;
821 register WORD wTmp;
822 LPDAQD DAQD;
823
824 /* Increment the tail and check for queue wrap */
825 wTmp = readw(dev.DARQ + JQS_wTail) + PCTODSP_OFFSET(DAQDS__size);
826 if (wTmp > readw(dev.DARQ + JQS_wSize))
827 wTmp = 0;
828 while (wTmp == readw(dev.DARQ + JQS_wHead) && timeout--)
829 udelay(1);
830 writew(wTmp, dev.DARQ + JQS_wTail);
831
832 /* Get our digital audio queue struct */
833 DAQD = bank * DAQDS__size + dev.base + DARQ_DATA_BUFF;
834
835 /* Get length of data */
836 size = readw(DAQD + DAQDS_wSize);
837
838 /* Read data from the head (unprotected bank 1 access okay
839 since this is only called inside an interrupt) */
840 msnd_outb(HPBLKSEL_1, dev.io + HP_BLKS);
841 msnd_fifo_write_io(
842 &dev.DARF,
843 dev.base + bank * DAR_BUFF_SIZE,
844 size);
845 msnd_outb(HPBLKSEL_0, dev.io + HP_BLKS);
846
847 return 1;
848}
849
850static __inline__ int pack_DAPF_to_DAPQ(register int start)
851{
852 register WORD DAPQ_tail;
853 register int protect = start, nbanks = 0;
854 LPDAQD DAQD;
855
856 DAPQ_tail = readw(dev.DAPQ + JQS_wTail);
857 while (DAPQ_tail != readw(dev.DAPQ + JQS_wHead) || start) {
858 register int bank_num = DAPQ_tail / PCTODSP_OFFSET(DAQDS__size);
859 register int n;
860 unsigned long flags;
861
862 /* Write the data to the new tail */
863 if (protect) {
864 /* Critical section: protect fifo in non-interrupt */
865 spin_lock_irqsave(&dev.lock, flags);
866 n = msnd_fifo_read_io(
867 &dev.DAPF,
868 dev.base + bank_num * DAP_BUFF_SIZE,
869 DAP_BUFF_SIZE);
870 spin_unlock_irqrestore(&dev.lock, flags);
871 } else {
872 n = msnd_fifo_read_io(
873 &dev.DAPF,
874 dev.base + bank_num * DAP_BUFF_SIZE,
875 DAP_BUFF_SIZE);
876 }
877 if (!n)
878 break;
879
880 if (start)
881 start = 0;
882
883 /* Get our digital audio queue struct */
884 DAQD = bank_num * DAQDS__size + dev.base + DAPQ_DATA_BUFF;
885
886 /* Write size of this bank */
887 writew(n, DAQD + DAQDS_wSize);
888 ++nbanks;
889
890 /* Then advance the tail */
891 DAPQ_tail = (++bank_num % 3) * PCTODSP_OFFSET(DAQDS__size);
892 writew(DAPQ_tail, dev.DAPQ + JQS_wTail);
893 /* Tell the DSP to play the bank */
894 msnd_send_dsp_cmd(&dev, HDEX_PLAY_START);
895 }
896 return nbanks;
897}
898
899static int dsp_read(char __user *buf, size_t len)
900{
901 int count = len;
902 char *page = (char *)__get_free_page(GFP_KERNEL);
903 int timeout = get_rec_delay_jiffies(DAR_BUFF_SIZE);
904
905 if (!page)
906 return -ENOMEM;
907
908 while (count > 0) {
909 int n, k;
910 unsigned long flags;
911
912 k = PAGE_SIZE;
913 if (k > count)
914 k = count;
915
916 /* Critical section: protect fifo in non-interrupt */
917 spin_lock_irqsave(&dev.lock, flags);
918 n = msnd_fifo_read(&dev.DARF, page, k);
919 spin_unlock_irqrestore(&dev.lock, flags);
920 if (copy_to_user(buf, page, n)) {
921 free_page((unsigned long)page);
922 return -EFAULT;
923 }
924 buf += n;
925 count -= n;
926
927 if (n == k && count)
928 continue;
929
930 if (!test_bit(F_READING, &dev.flags) && dev.mode & FMODE_READ) {
931 dev.last_recbank = -1;
932 if (chk_send_dsp_cmd(&dev, HDEX_RECORD_START) == 0)
933 set_bit(F_READING, &dev.flags);
934 }
935
936 if (dev.rec_ndelay) {
937 free_page((unsigned long)page);
938 return count == len ? -EAGAIN : len - count;
939 }
940
941 if (count > 0) {
942 set_bit(F_READBLOCK, &dev.flags);
943 if (wait_event_interruptible_timeout(
944 dev.readblock,
945 test_bit(F_READBLOCK, &dev.flags),
946 timeout) <= 0)
947 clear_bit(F_READING, &dev.flags);
948 if (signal_pending(current)) {
949 free_page((unsigned long)page);
950 return -EINTR;
951 }
952 }
953 }
954 free_page((unsigned long)page);
955 return len - count;
956}
957
958static int dsp_write(const char __user *buf, size_t len)
959{
960 int count = len;
961 char *page = (char *)__get_free_page(GFP_KERNEL);
962 int timeout = get_play_delay_jiffies(DAP_BUFF_SIZE);
963
964 if (!page)
965 return -ENOMEM;
966
967 while (count > 0) {
968 int n, k;
969 unsigned long flags;
970
971 k = PAGE_SIZE;
972 if (k > count)
973 k = count;
974
975 if (copy_from_user(page, buf, k)) {
976 free_page((unsigned long)page);
977 return -EFAULT;
978 }
979
980 /* Critical section: protect fifo in non-interrupt */
981 spin_lock_irqsave(&dev.lock, flags);
982 n = msnd_fifo_write(&dev.DAPF, page, k);
983 spin_unlock_irqrestore(&dev.lock, flags);
984 buf += n;
985 count -= n;
986
987 if (count && n == k)
988 continue;
989
990 if (!test_bit(F_WRITING, &dev.flags) && (dev.mode & FMODE_WRITE)) {
991 dev.last_playbank = -1;
992 if (pack_DAPF_to_DAPQ(1) > 0)
993 set_bit(F_WRITING, &dev.flags);
994 }
995
996 if (dev.play_ndelay) {
997 free_page((unsigned long)page);
998 return count == len ? -EAGAIN : len - count;
999 }
1000
1001 if (count > 0) {
1002 set_bit(F_WRITEBLOCK, &dev.flags);
1003 wait_event_interruptible_timeout(
1004 dev.writeblock,
1005 test_bit(F_WRITEBLOCK, &dev.flags),
1006 timeout);
1007 if (signal_pending(current)) {
1008 free_page((unsigned long)page);
1009 return -EINTR;
1010 }
1011 }
1012 }
1013
1014 free_page((unsigned long)page);
1015 return len - count;
1016}
1017
1018static ssize_t dev_read(struct file *file, char __user *buf, size_t count, loff_t *off)
1019{
1020 int minor = iminor(file_inode(file));
1021 if (minor == dev.dsp_minor)
1022 return dsp_read(buf, count);
1023 else
1024 return -EINVAL;
1025}
1026
1027static ssize_t dev_write(struct file *file, const char __user *buf, size_t count, loff_t *off)
1028{
1029 int minor = iminor(file_inode(file));
1030 if (minor == dev.dsp_minor)
1031 return dsp_write(buf, count);
1032 else
1033 return -EINVAL;
1034}
1035
1036static __inline__ void eval_dsp_msg(register WORD wMessage)
1037{
1038 switch (HIBYTE(wMessage)) {
1039 case HIMT_PLAY_DONE:
1040 if (dev.last_playbank == LOBYTE(wMessage) || !test_bit(F_WRITING, &dev.flags))
1041 break;
1042 dev.last_playbank = LOBYTE(wMessage);
1043
1044 if (pack_DAPF_to_DAPQ(0) <= 0) {
1045 if (!test_bit(F_WRITEBLOCK, &dev.flags)) {
1046 if (test_and_clear_bit(F_WRITEFLUSH, &dev.flags))
1047 wake_up_interruptible(&dev.writeflush);
1048 }
1049 clear_bit(F_WRITING, &dev.flags);
1050 }
1051
1052 if (test_and_clear_bit(F_WRITEBLOCK, &dev.flags))
1053 wake_up_interruptible(&dev.writeblock);
1054 break;
1055
1056 case HIMT_RECORD_DONE:
1057 if (dev.last_recbank == LOBYTE(wMessage))
1058 break;
1059 dev.last_recbank = LOBYTE(wMessage);
1060
1061 pack_DARQ_to_DARF(dev.last_recbank);
1062
1063 if (test_and_clear_bit(F_READBLOCK, &dev.flags))
1064 wake_up_interruptible(&dev.readblock);
1065 break;
1066
1067 case HIMT_DSP:
1068 switch (LOBYTE(wMessage)) {
1069#ifndef MSND_CLASSIC
1070 case HIDSP_PLAY_UNDER:
1071#endif
1072 case HIDSP_INT_PLAY_UNDER:
1073/* printk(KERN_DEBUG LOGNAME ": Play underflow\n"); */
1074 clear_bit(F_WRITING, &dev.flags);
1075 break;
1076
1077 case HIDSP_INT_RECORD_OVER:
1078/* printk(KERN_DEBUG LOGNAME ": Record overflow\n"); */
1079 clear_bit(F_READING, &dev.flags);
1080 break;
1081
1082 default:
1083/* printk(KERN_DEBUG LOGNAME ": DSP message %d 0x%02x\n",
1084 LOBYTE(wMessage), LOBYTE(wMessage)); */
1085 break;
1086 }
1087 break;
1088
1089 case HIMT_MIDI_IN_UCHAR:
1090 if (dev.midi_in_interrupt)
1091 (*dev.midi_in_interrupt)(&dev);
1092 break;
1093
1094 default:
1095/* printk(KERN_DEBUG LOGNAME ": HIMT message %d 0x%02x\n", HIBYTE(wMessage), HIBYTE(wMessage)); */
1096 break;
1097 }
1098}
1099
1100static irqreturn_t intr(int irq, void *dev_id)
1101{
1102 /* Send ack to DSP */
1103 msnd_inb(dev.io + HP_RXL);
1104
1105 /* Evaluate queued DSP messages */
1106 while (readw(dev.DSPQ + JQS_wTail) != readw(dev.DSPQ + JQS_wHead)) {
1107 register WORD wTmp;
1108
1109 eval_dsp_msg(readw(dev.pwDSPQData + 2*readw(dev.DSPQ + JQS_wHead)));
1110
1111 if ((wTmp = readw(dev.DSPQ + JQS_wHead) + 1) > readw(dev.DSPQ + JQS_wSize))
1112 writew(0, dev.DSPQ + JQS_wHead);
1113 else
1114 writew(wTmp, dev.DSPQ + JQS_wHead);
1115 }
1116 return IRQ_HANDLED;
1117}
1118
1119static const struct file_operations dev_fileops = {
1120 .owner = THIS_MODULE,
1121 .read = dev_read,
1122 .write = dev_write,
1123 .unlocked_ioctl = dev_ioctl,
1124 .open = dev_open,
1125 .release = dev_release,
1126 .llseek = noop_llseek,
1127};
1128
1129static int reset_dsp(void)
1130{
1131 int timeout = 100;
1132
1133 msnd_outb(HPDSPRESET_ON, dev.io + HP_DSPR);
1134 mdelay(1);
1135#ifndef MSND_CLASSIC
1136 dev.info = msnd_inb(dev.io + HP_INFO);
1137#endif
1138 msnd_outb(HPDSPRESET_OFF, dev.io + HP_DSPR);
1139 mdelay(1);
1140 while (timeout-- > 0) {
1141 if (msnd_inb(dev.io + HP_CVR) == HP_CVR_DEF)
1142 return 0;
1143 mdelay(1);
1144 }
1145 printk(KERN_ERR LOGNAME ": Cannot reset DSP\n");
1146
1147 return -EIO;
1148}
1149
1150static int __init probe_multisound(void)
1151{
1152#ifndef MSND_CLASSIC
1153 char *xv, *rev = NULL;
1154 char *pin = "Pinnacle", *fiji = "Fiji";
1155 char *pinfiji = "Pinnacle/Fiji";
1156#endif
1157
1158 if (!request_region(dev.io, dev.numio, "probing")) {
1159 printk(KERN_ERR LOGNAME ": I/O port conflict\n");
1160 return -ENODEV;
1161 }
1162
1163 if (reset_dsp() < 0) {
1164 release_region(dev.io, dev.numio);
1165 return -ENODEV;
1166 }
1167
1168#ifdef MSND_CLASSIC
1169 dev.name = "Classic/Tahiti/Monterey";
1170 printk(KERN_INFO LOGNAME ": %s, "
1171#else
1172 switch (dev.info >> 4) {
1173 case 0xf: xv = "<= 1.15"; break;
1174 case 0x1: xv = "1.18/1.2"; break;
1175 case 0x2: xv = "1.3"; break;
1176 case 0x3: xv = "1.4"; break;
1177 default: xv = "unknown"; break;
1178 }
1179
1180 switch (dev.info & 0x7) {
1181 case 0x0: rev = "I"; dev.name = pin; break;
1182 case 0x1: rev = "F"; dev.name = pin; break;
1183 case 0x2: rev = "G"; dev.name = pin; break;
1184 case 0x3: rev = "H"; dev.name = pin; break;
1185 case 0x4: rev = "E"; dev.name = fiji; break;
1186 case 0x5: rev = "C"; dev.name = fiji; break;
1187 case 0x6: rev = "D"; dev.name = fiji; break;
1188 case 0x7:
1189 rev = "A-B (Fiji) or A-E (Pinnacle)";
1190 dev.name = pinfiji;
1191 break;
1192 }
1193 printk(KERN_INFO LOGNAME ": %s revision %s, Xilinx version %s, "
1194#endif /* MSND_CLASSIC */
1195 "I/O 0x%x-0x%x, IRQ %d, memory mapped to %p-%p\n",
1196 dev.name,
1197#ifndef MSND_CLASSIC
1198 rev, xv,
1199#endif
1200 dev.io, dev.io + dev.numio - 1,
1201 dev.irq,
1202 dev.base, dev.base + 0x7fff);
1203
1204 release_region(dev.io, dev.numio);
1205 return 0;
1206}
1207
1208static int init_sma(void)
1209{
1210 static int initted;
1211 WORD mastVolLeft, mastVolRight;
1212 unsigned long flags;
1213
1214#ifdef MSND_CLASSIC
1215 msnd_outb(dev.memid, dev.io + HP_MEMM);
1216#endif
1217 msnd_outb(HPBLKSEL_0, dev.io + HP_BLKS);
1218 if (initted) {
1219 mastVolLeft = readw(dev.SMA + SMA_wCurrMastVolLeft);
1220 mastVolRight = readw(dev.SMA + SMA_wCurrMastVolRight);
1221 } else
1222 mastVolLeft = mastVolRight = 0;
1223 memset_io(dev.base, 0, 0x8000);
1224
1225 /* Critical section: bank 1 access */
1226 spin_lock_irqsave(&dev.lock, flags);
1227 msnd_outb(HPBLKSEL_1, dev.io + HP_BLKS);
1228 memset_io(dev.base, 0, 0x8000);
1229 msnd_outb(HPBLKSEL_0, dev.io + HP_BLKS);
1230 spin_unlock_irqrestore(&dev.lock, flags);
1231
1232 dev.pwDSPQData = (dev.base + DSPQ_DATA_BUFF);
1233 dev.pwMODQData = (dev.base + MODQ_DATA_BUFF);
1234 dev.pwMIDQData = (dev.base + MIDQ_DATA_BUFF);
1235
1236 /* Motorola 56k shared memory base */
1237 dev.SMA = dev.base + SMA_STRUCT_START;
1238
1239 /* Digital audio play queue */
1240 dev.DAPQ = dev.base + DAPQ_OFFSET;
1241 msnd_init_queue(dev.DAPQ, DAPQ_DATA_BUFF, DAPQ_BUFF_SIZE);
1242
1243 /* Digital audio record queue */
1244 dev.DARQ = dev.base + DARQ_OFFSET;
1245 msnd_init_queue(dev.DARQ, DARQ_DATA_BUFF, DARQ_BUFF_SIZE);
1246
1247 /* MIDI out queue */
1248 dev.MODQ = dev.base + MODQ_OFFSET;
1249 msnd_init_queue(dev.MODQ, MODQ_DATA_BUFF, MODQ_BUFF_SIZE);
1250
1251 /* MIDI in queue */
1252 dev.MIDQ = dev.base + MIDQ_OFFSET;
1253 msnd_init_queue(dev.MIDQ, MIDQ_DATA_BUFF, MIDQ_BUFF_SIZE);
1254
1255 /* DSP -> host message queue */
1256 dev.DSPQ = dev.base + DSPQ_OFFSET;
1257 msnd_init_queue(dev.DSPQ, DSPQ_DATA_BUFF, DSPQ_BUFF_SIZE);
1258
1259 /* Setup some DSP values */
1260#ifndef MSND_CLASSIC
1261 writew(1, dev.SMA + SMA_wCurrPlayFormat);
1262 writew(dev.play_sample_size, dev.SMA + SMA_wCurrPlaySampleSize);
1263 writew(dev.play_channels, dev.SMA + SMA_wCurrPlayChannels);
1264 writew(dev.play_sample_rate, dev.SMA + SMA_wCurrPlaySampleRate);
1265#endif
1266 writew(dev.play_sample_rate, dev.SMA + SMA_wCalFreqAtoD);
1267 writew(mastVolLeft, dev.SMA + SMA_wCurrMastVolLeft);
1268 writew(mastVolRight, dev.SMA + SMA_wCurrMastVolRight);
1269#ifndef MSND_CLASSIC
1270 writel(0x00010000, dev.SMA + SMA_dwCurrPlayPitch);
1271 writel(0x00000001, dev.SMA + SMA_dwCurrPlayRate);
1272#endif
1273 writew(0x303, dev.SMA + SMA_wCurrInputTagBits);
1274
1275 initted = 1;
1276
1277 return 0;
1278}
1279
1280static int __init calibrate_adc(WORD srate)
1281{
1282 writew(srate, dev.SMA + SMA_wCalFreqAtoD);
1283 if (dev.calibrate_signal == 0)
1284 writew(readw(dev.SMA + SMA_wCurrHostStatusFlags)
1285 | 0x0001, dev.SMA + SMA_wCurrHostStatusFlags);
1286 else
1287 writew(readw(dev.SMA + SMA_wCurrHostStatusFlags)
1288 & ~0x0001, dev.SMA + SMA_wCurrHostStatusFlags);
1289 if (msnd_send_word(&dev, 0, 0, HDEXAR_CAL_A_TO_D) == 0 &&
1290 chk_send_dsp_cmd(&dev, HDEX_AUX_REQ) == 0) {
1291 current->state = TASK_INTERRUPTIBLE;
1292 schedule_timeout(HZ / 3);
1293 return 0;
1294 }
1295 printk(KERN_WARNING LOGNAME ": ADC calibration failed\n");
1296
1297 return -EIO;
1298}
1299
1300static int upload_dsp_code(void)
1301{
1302 int ret = 0;
1303
1304 msnd_outb(HPBLKSEL_0, dev.io + HP_BLKS);
1305#ifndef HAVE_DSPCODEH
1306 INITCODESIZE = mod_firmware_load(INITCODEFILE, &INITCODE);
1307 if (!INITCODE) {
1308 printk(KERN_ERR LOGNAME ": Error loading " INITCODEFILE);
1309 return -EBUSY;
1310 }
1311
1312 PERMCODESIZE = mod_firmware_load(PERMCODEFILE, &PERMCODE);
1313 if (!PERMCODE) {
1314 printk(KERN_ERR LOGNAME ": Error loading " PERMCODEFILE);
1315 vfree(INITCODE);
1316 return -EBUSY;
1317 }
1318#endif
1319 memcpy_toio(dev.base, PERMCODE, PERMCODESIZE);
1320 if (msnd_upload_host(&dev, INITCODE, INITCODESIZE) < 0) {
1321 printk(KERN_WARNING LOGNAME ": Error uploading to DSP\n");
1322 ret = -ENODEV;
1323 goto out;
1324 }
1325#ifdef HAVE_DSPCODEH
1326 printk(KERN_INFO LOGNAME ": DSP firmware uploaded (resident)\n");
1327#else
1328 printk(KERN_INFO LOGNAME ": DSP firmware uploaded\n");
1329#endif
1330
1331out:
1332#ifndef HAVE_DSPCODEH
1333 vfree(INITCODE);
1334 vfree(PERMCODE);
1335#endif
1336
1337 return ret;
1338}
1339
1340#ifdef MSND_CLASSIC
1341static void reset_proteus(void)
1342{
1343 msnd_outb(HPPRORESET_ON, dev.io + HP_PROR);
1344 mdelay(TIME_PRO_RESET);
1345 msnd_outb(HPPRORESET_OFF, dev.io + HP_PROR);
1346 mdelay(TIME_PRO_RESET_DONE);
1347}
1348#endif
1349
1350static int initialize(void)
1351{
1352 int err, timeout;
1353
1354#ifdef MSND_CLASSIC
1355 msnd_outb(HPWAITSTATE_0, dev.io + HP_WAIT);
1356 msnd_outb(HPBITMODE_16, dev.io + HP_BITM);
1357
1358 reset_proteus();
1359#endif
1360 if ((err = init_sma()) < 0) {
1361 printk(KERN_WARNING LOGNAME ": Cannot initialize SMA\n");
1362 return err;
1363 }
1364
1365 if ((err = reset_dsp()) < 0)
1366 return err;
1367
1368 if ((err = upload_dsp_code()) < 0) {
1369 printk(KERN_WARNING LOGNAME ": Cannot upload DSP code\n");
1370 return err;
1371 }
1372
1373 timeout = 200;
1374 while (readw(dev.base)) {
1375 mdelay(1);
1376 if (!timeout--) {
1377 printk(KERN_DEBUG LOGNAME ": DSP reset timeout\n");
1378 return -EIO;
1379 }
1380 }
1381
1382 mixer_setup();
1383
1384 return 0;
1385}
1386
1387static int dsp_full_reset(void)
1388{
1389 int rv;
1390
1391 if (test_bit(F_RESETTING, &dev.flags) || ++dev.nresets > 10)
1392 return 0;
1393
1394 set_bit(F_RESETTING, &dev.flags);
1395 printk(KERN_INFO LOGNAME ": DSP reset\n");
1396 dsp_halt(NULL); /* Unconditionally halt */
1397 if ((rv = initialize()))
1398 printk(KERN_WARNING LOGNAME ": DSP reset failed\n");
1399 force_recsrc(dev.recsrc);
1400 dsp_open(NULL);
1401 clear_bit(F_RESETTING, &dev.flags);
1402
1403 return rv;
1404}
1405
1406static int __init attach_multisound(void)
1407{
1408 int err;
1409
1410 if ((err = request_irq(dev.irq, intr, 0, dev.name, &dev)) < 0) {
1411 printk(KERN_ERR LOGNAME ": Couldn't grab IRQ %d\n", dev.irq);
1412 return err;
1413 }
1414 if (request_region(dev.io, dev.numio, dev.name) == NULL) {
1415 free_irq(dev.irq, &dev);
1416 return -EBUSY;
1417 }
1418
1419 err = dsp_full_reset();
1420 if (err < 0) {
1421 release_region(dev.io, dev.numio);
1422 free_irq(dev.irq, &dev);
1423 return err;
1424 }
1425
1426 if ((err = msnd_register(&dev)) < 0) {
1427 printk(KERN_ERR LOGNAME ": Unable to register MultiSound\n");
1428 release_region(dev.io, dev.numio);
1429 free_irq(dev.irq, &dev);
1430 return err;
1431 }
1432
1433 if ((dev.dsp_minor = register_sound_dsp(&dev_fileops, -1)) < 0) {
1434 printk(KERN_ERR LOGNAME ": Unable to register DSP operations\n");
1435 msnd_unregister(&dev);
1436 release_region(dev.io, dev.numio);
1437 free_irq(dev.irq, &dev);
1438 return dev.dsp_minor;
1439 }
1440
1441 if ((dev.mixer_minor = register_sound_mixer(&dev_fileops, -1)) < 0) {
1442 printk(KERN_ERR LOGNAME ": Unable to register mixer operations\n");
1443 unregister_sound_mixer(dev.mixer_minor);
1444 msnd_unregister(&dev);
1445 release_region(dev.io, dev.numio);
1446 free_irq(dev.irq, &dev);
1447 return dev.mixer_minor;
1448 }
1449
1450 dev.ext_midi_dev = dev.hdr_midi_dev = -1;
1451
1452 disable_irq(dev.irq);
1453 calibrate_adc(dev.play_sample_rate);
1454#ifndef MSND_CLASSIC
1455 force_recsrc(SOUND_MASK_IMIX);
1456#endif
1457
1458 return 0;
1459}
1460
1461static void __exit unload_multisound(void)
1462{
1463 release_region(dev.io, dev.numio);
1464 free_irq(dev.irq, &dev);
1465 unregister_sound_mixer(dev.mixer_minor);
1466 unregister_sound_dsp(dev.dsp_minor);
1467 msnd_unregister(&dev);
1468}
1469
1470#ifndef MSND_CLASSIC
1471
1472/* Pinnacle/Fiji Logical Device Configuration */
1473
1474static int __init msnd_write_cfg(int cfg, int reg, int value)
1475{
1476 msnd_outb(reg, cfg);
1477 msnd_outb(value, cfg + 1);
1478 if (value != msnd_inb(cfg + 1)) {
1479 printk(KERN_ERR LOGNAME ": msnd_write_cfg: I/O error\n");
1480 return -EIO;
1481 }
1482 return 0;
1483}
1484
1485static int __init msnd_write_cfg_io0(int cfg, int num, WORD io)
1486{
1487 if (msnd_write_cfg(cfg, IREG_LOGDEVICE, num))
1488 return -EIO;
1489 if (msnd_write_cfg(cfg, IREG_IO0_BASEHI, HIBYTE(io)))
1490 return -EIO;
1491 if (msnd_write_cfg(cfg, IREG_IO0_BASELO, LOBYTE(io)))
1492 return -EIO;
1493 return 0;
1494}
1495
1496static int __init msnd_write_cfg_io1(int cfg, int num, WORD io)
1497{
1498 if (msnd_write_cfg(cfg, IREG_LOGDEVICE, num))
1499 return -EIO;
1500 if (msnd_write_cfg(cfg, IREG_IO1_BASEHI, HIBYTE(io)))
1501 return -EIO;
1502 if (msnd_write_cfg(cfg, IREG_IO1_BASELO, LOBYTE(io)))
1503 return -EIO;
1504 return 0;
1505}
1506
1507static int __init msnd_write_cfg_irq(int cfg, int num, WORD irq)
1508{
1509 if (msnd_write_cfg(cfg, IREG_LOGDEVICE, num))
1510 return -EIO;
1511 if (msnd_write_cfg(cfg, IREG_IRQ_NUMBER, LOBYTE(irq)))
1512 return -EIO;
1513 if (msnd_write_cfg(cfg, IREG_IRQ_TYPE, IRQTYPE_EDGE))
1514 return -EIO;
1515 return 0;
1516}
1517
1518static int __init msnd_write_cfg_mem(int cfg, int num, int mem)
1519{
1520 WORD wmem;
1521
1522 mem >>= 8;
1523 mem &= 0xfff;
1524 wmem = (WORD)mem;
1525 if (msnd_write_cfg(cfg, IREG_LOGDEVICE, num))
1526 return -EIO;
1527 if (msnd_write_cfg(cfg, IREG_MEMBASEHI, HIBYTE(wmem)))
1528 return -EIO;
1529 if (msnd_write_cfg(cfg, IREG_MEMBASELO, LOBYTE(wmem)))
1530 return -EIO;
1531 if (wmem && msnd_write_cfg(cfg, IREG_MEMCONTROL, (MEMTYPE_HIADDR | MEMTYPE_16BIT)))
1532 return -EIO;
1533 return 0;
1534}
1535
1536static int __init msnd_activate_logical(int cfg, int num)
1537{
1538 if (msnd_write_cfg(cfg, IREG_LOGDEVICE, num))
1539 return -EIO;
1540 if (msnd_write_cfg(cfg, IREG_ACTIVATE, LD_ACTIVATE))
1541 return -EIO;
1542 return 0;
1543}
1544
1545static int __init msnd_write_cfg_logical(int cfg, int num, WORD io0, WORD io1, WORD irq, int mem)
1546{
1547 if (msnd_write_cfg(cfg, IREG_LOGDEVICE, num))
1548 return -EIO;
1549 if (msnd_write_cfg_io0(cfg, num, io0))
1550 return -EIO;
1551 if (msnd_write_cfg_io1(cfg, num, io1))
1552 return -EIO;
1553 if (msnd_write_cfg_irq(cfg, num, irq))
1554 return -EIO;
1555 if (msnd_write_cfg_mem(cfg, num, mem))
1556 return -EIO;
1557 if (msnd_activate_logical(cfg, num))
1558 return -EIO;
1559 return 0;
1560}
1561
1562typedef struct msnd_pinnacle_cfg_device {
1563 WORD io0, io1, irq;
1564 int mem;
1565} msnd_pinnacle_cfg_t[4];
1566
1567static int __init msnd_pinnacle_cfg_devices(int cfg, int reset, msnd_pinnacle_cfg_t device)
1568{
1569 int i;
1570
1571 /* Reset devices if told to */
1572 if (reset) {
1573 printk(KERN_INFO LOGNAME ": Resetting all devices\n");
1574 for (i = 0; i < 4; ++i)
1575 if (msnd_write_cfg_logical(cfg, i, 0, 0, 0, 0))
1576 return -EIO;
1577 }
1578
1579 /* Configure specified devices */
1580 for (i = 0; i < 4; ++i) {
1581
1582 switch (i) {
1583 case 0: /* DSP */
1584 if (!(device[i].io0 && device[i].irq && device[i].mem))
1585 continue;
1586 break;
1587 case 1: /* MPU */
1588 if (!(device[i].io0 && device[i].irq))
1589 continue;
1590 printk(KERN_INFO LOGNAME
1591 ": Configuring MPU to I/O 0x%x IRQ %d\n",
1592 device[i].io0, device[i].irq);
1593 break;
1594 case 2: /* IDE */
1595 if (!(device[i].io0 && device[i].io1 && device[i].irq))
1596 continue;
1597 printk(KERN_INFO LOGNAME
1598 ": Configuring IDE to I/O 0x%x, 0x%x IRQ %d\n",
1599 device[i].io0, device[i].io1, device[i].irq);
1600 break;
1601 case 3: /* Joystick */
1602 if (!(device[i].io0))
1603 continue;
1604 printk(KERN_INFO LOGNAME
1605 ": Configuring joystick to I/O 0x%x\n",
1606 device[i].io0);
1607 break;
1608 }
1609
1610 /* Configure the device */
1611 if (msnd_write_cfg_logical(cfg, i, device[i].io0, device[i].io1, device[i].irq, device[i].mem))
1612 return -EIO;
1613 }
1614
1615 return 0;
1616}
1617#endif
1618
1619#ifdef MODULE
1620MODULE_AUTHOR ("Andrew Veliath <andrewtv@usa.net>");
1621MODULE_DESCRIPTION ("Turtle Beach " LONGNAME " Linux Driver");
1622MODULE_LICENSE("GPL");
1623
1624static int io __initdata = -1;
1625static int irq __initdata = -1;
1626static int mem __initdata = -1;
1627static int write_ndelay __initdata = -1;
1628
1629#ifndef MSND_CLASSIC
1630/* Pinnacle/Fiji non-PnP Config Port */
1631static int cfg __initdata = -1;
1632
1633/* Extra Peripheral Configuration */
1634static int reset __initdata = 0;
1635static int mpu_io __initdata = 0;
1636static int mpu_irq __initdata = 0;
1637static int ide_io0 __initdata = 0;
1638static int ide_io1 __initdata = 0;
1639static int ide_irq __initdata = 0;
1640static int joystick_io __initdata = 0;
1641
1642/* If we have the digital daugherboard... */
1643static bool digital __initdata = false;
1644#endif
1645
1646static int fifosize __initdata = DEFFIFOSIZE;
1647static int calibrate_signal __initdata = 0;
1648
1649#else /* not a module */
1650
1651static int write_ndelay __initdata = -1;
1652
1653#ifdef MSND_CLASSIC
1654static int io __initdata = CONFIG_MSNDCLAS_IO;
1655static int irq __initdata = CONFIG_MSNDCLAS_IRQ;
1656static int mem __initdata = CONFIG_MSNDCLAS_MEM;
1657#else /* Pinnacle/Fiji */
1658
1659static int io __initdata = CONFIG_MSNDPIN_IO;
1660static int irq __initdata = CONFIG_MSNDPIN_IRQ;
1661static int mem __initdata = CONFIG_MSNDPIN_MEM;
1662
1663/* Pinnacle/Fiji non-PnP Config Port */
1664#ifdef CONFIG_MSNDPIN_NONPNP
1665# ifndef CONFIG_MSNDPIN_CFG
1666# define CONFIG_MSNDPIN_CFG 0x250
1667# endif
1668#else
1669# ifdef CONFIG_MSNDPIN_CFG
1670# undef CONFIG_MSNDPIN_CFG
1671# endif
1672# define CONFIG_MSNDPIN_CFG -1
1673#endif
1674static int cfg __initdata = CONFIG_MSNDPIN_CFG;
1675/* If not a module, we don't need to bother with reset=1 */
1676static int reset;
1677
1678/* Extra Peripheral Configuration (Default: Disable) */
1679#ifndef CONFIG_MSNDPIN_MPU_IO
1680# define CONFIG_MSNDPIN_MPU_IO 0
1681#endif
1682static int mpu_io __initdata = CONFIG_MSNDPIN_MPU_IO;
1683
1684#ifndef CONFIG_MSNDPIN_MPU_IRQ
1685# define CONFIG_MSNDPIN_MPU_IRQ 0
1686#endif
1687static int mpu_irq __initdata = CONFIG_MSNDPIN_MPU_IRQ;
1688
1689#ifndef CONFIG_MSNDPIN_IDE_IO0
1690# define CONFIG_MSNDPIN_IDE_IO0 0
1691#endif
1692static int ide_io0 __initdata = CONFIG_MSNDPIN_IDE_IO0;
1693
1694#ifndef CONFIG_MSNDPIN_IDE_IO1
1695# define CONFIG_MSNDPIN_IDE_IO1 0
1696#endif
1697static int ide_io1 __initdata = CONFIG_MSNDPIN_IDE_IO1;
1698
1699#ifndef CONFIG_MSNDPIN_IDE_IRQ
1700# define CONFIG_MSNDPIN_IDE_IRQ 0
1701#endif
1702static int ide_irq __initdata = CONFIG_MSNDPIN_IDE_IRQ;
1703
1704#ifndef CONFIG_MSNDPIN_JOYSTICK_IO
1705# define CONFIG_MSNDPIN_JOYSTICK_IO 0
1706#endif
1707static int joystick_io __initdata = CONFIG_MSNDPIN_JOYSTICK_IO;
1708
1709/* Have SPDIF (Digital) Daughterboard */
1710#ifndef CONFIG_MSNDPIN_DIGITAL
1711# define CONFIG_MSNDPIN_DIGITAL 0
1712#endif
1713static bool digital __initdata = CONFIG_MSNDPIN_DIGITAL;
1714
1715#endif /* MSND_CLASSIC */
1716
1717#ifndef CONFIG_MSND_FIFOSIZE
1718# define CONFIG_MSND_FIFOSIZE DEFFIFOSIZE
1719#endif
1720static int fifosize __initdata = CONFIG_MSND_FIFOSIZE;
1721
1722#ifndef CONFIG_MSND_CALSIGNAL
1723# define CONFIG_MSND_CALSIGNAL 0
1724#endif
1725static int
1726calibrate_signal __initdata = CONFIG_MSND_CALSIGNAL;
1727#endif /* MODULE */
1728
1729module_param (io, int, 0);
1730module_param (irq, int, 0);
1731module_param (mem, int, 0);
1732module_param (write_ndelay, int, 0);
1733module_param (fifosize, int, 0);
1734module_param (calibrate_signal, int, 0);
1735#ifndef MSND_CLASSIC
1736module_param (digital, bool, 0);
1737module_param (cfg, int, 0);
1738module_param (reset, int, 0);
1739module_param (mpu_io, int, 0);
1740module_param (mpu_irq, int, 0);
1741module_param (ide_io0, int, 0);
1742module_param (ide_io1, int, 0);
1743module_param (ide_irq, int, 0);
1744module_param (joystick_io, int, 0);
1745#endif
1746
1747static int __init msnd_init(void)
1748{
1749 int err;
1750#ifndef MSND_CLASSIC
1751 static msnd_pinnacle_cfg_t pinnacle_devs;
1752#endif /* MSND_CLASSIC */
1753
1754 printk(KERN_INFO LOGNAME ": Turtle Beach " LONGNAME " Linux Driver Version "
1755 VERSION ", Copyright (C) 1998 Andrew Veliath\n");
1756
1757 if (io == -1 || irq == -1 || mem == -1)
1758 printk(KERN_WARNING LOGNAME ": io, irq and mem must be set\n");
1759
1760#ifdef MSND_CLASSIC
1761 if (io == -1 ||
1762 !(io == 0x290 ||
1763 io == 0x260 ||
1764 io == 0x250 ||
1765 io == 0x240 ||
1766 io == 0x230 ||
1767 io == 0x220 ||
1768 io == 0x210 ||
1769 io == 0x3e0)) {
1770 printk(KERN_ERR LOGNAME ": \"io\" - DSP I/O base must be set to 0x210, 0x220, 0x230, 0x240, 0x250, 0x260, 0x290, or 0x3E0\n");
1771 return -EINVAL;
1772 }
1773#else
1774 if (io == -1 ||
1775 io < 0x100 ||
1776 io > 0x3e0 ||
1777 (io % 0x10) != 0) {
1778 printk(KERN_ERR LOGNAME ": \"io\" - DSP I/O base must within the range 0x100 to 0x3E0 and must be evenly divisible by 0x10\n");
1779 return -EINVAL;
1780 }
1781#endif /* MSND_CLASSIC */
1782
1783 if (irq == -1 ||
1784 !(irq == 5 ||
1785 irq == 7 ||
1786 irq == 9 ||
1787 irq == 10 ||
1788 irq == 11 ||
1789 irq == 12)) {
1790 printk(KERN_ERR LOGNAME ": \"irq\" - must be set to 5, 7, 9, 10, 11 or 12\n");
1791 return -EINVAL;
1792 }
1793
1794 if (mem == -1 ||
1795 !(mem == 0xb0000 ||
1796 mem == 0xc8000 ||
1797 mem == 0xd0000 ||
1798 mem == 0xd8000 ||
1799 mem == 0xe0000 ||
1800 mem == 0xe8000)) {
1801 printk(KERN_ERR LOGNAME ": \"mem\" - must be set to "
1802 "0xb0000, 0xc8000, 0xd0000, 0xd8000, 0xe0000 or 0xe8000\n");
1803 return -EINVAL;
1804 }
1805
1806#ifdef MSND_CLASSIC
1807 switch (irq) {
1808 case 5: dev.irqid = HPIRQ_5; break;
1809 case 7: dev.irqid = HPIRQ_7; break;
1810 case 9: dev.irqid = HPIRQ_9; break;
1811 case 10: dev.irqid = HPIRQ_10; break;
1812 case 11: dev.irqid = HPIRQ_11; break;
1813 case 12: dev.irqid = HPIRQ_12; break;
1814 }
1815
1816 switch (mem) {
1817 case 0xb0000: dev.memid = HPMEM_B000; break;
1818 case 0xc8000: dev.memid = HPMEM_C800; break;
1819 case 0xd0000: dev.memid = HPMEM_D000; break;
1820 case 0xd8000: dev.memid = HPMEM_D800; break;
1821 case 0xe0000: dev.memid = HPMEM_E000; break;
1822 case 0xe8000: dev.memid = HPMEM_E800; break;
1823 }
1824#else
1825 if (cfg == -1) {
1826 printk(KERN_INFO LOGNAME ": Assuming PnP mode\n");
1827 } else if (cfg != 0x250 && cfg != 0x260 && cfg != 0x270) {
1828 printk(KERN_INFO LOGNAME ": Config port must be 0x250, 0x260 or 0x270 (or unspecified for PnP mode)\n");
1829 return -EINVAL;
1830 } else {
1831 printk(KERN_INFO LOGNAME ": Non-PnP mode: configuring at port 0x%x\n", cfg);
1832
1833 /* DSP */
1834 pinnacle_devs[0].io0 = io;
1835 pinnacle_devs[0].irq = irq;
1836 pinnacle_devs[0].mem = mem;
1837
1838 /* The following are Pinnacle specific */
1839
1840 /* MPU */
1841 pinnacle_devs[1].io0 = mpu_io;
1842 pinnacle_devs[1].irq = mpu_irq;
1843
1844 /* IDE */
1845 pinnacle_devs[2].io0 = ide_io0;
1846 pinnacle_devs[2].io1 = ide_io1;
1847 pinnacle_devs[2].irq = ide_irq;
1848
1849 /* Joystick */
1850 pinnacle_devs[3].io0 = joystick_io;
1851
1852 if (!request_region(cfg, 2, "Pinnacle/Fiji Config")) {
1853 printk(KERN_ERR LOGNAME ": Config port 0x%x conflict\n", cfg);
1854 return -EIO;
1855 }
1856
1857 if (msnd_pinnacle_cfg_devices(cfg, reset, pinnacle_devs)) {
1858 printk(KERN_ERR LOGNAME ": Device configuration error\n");
1859 release_region(cfg, 2);
1860 return -EIO;
1861 }
1862 release_region(cfg, 2);
1863 }
1864#endif /* MSND_CLASSIC */
1865
1866 if (fifosize < 16)
1867 fifosize = 16;
1868
1869 if (fifosize > 1024)
1870 fifosize = 1024;
1871
1872 set_default_audio_parameters();
1873#ifdef MSND_CLASSIC
1874 dev.type = msndClassic;
1875#else
1876 dev.type = msndPinnacle;
1877#endif
1878 dev.io = io;
1879 dev.numio = DSP_NUMIO;
1880 dev.irq = irq;
1881 dev.base = ioremap(mem, 0x8000);
1882 dev.fifosize = fifosize * 1024;
1883 dev.calibrate_signal = calibrate_signal ? 1 : 0;
1884 dev.recsrc = 0;
1885 dev.dspq_data_buff = DSPQ_DATA_BUFF;
1886 dev.dspq_buff_size = DSPQ_BUFF_SIZE;
1887 if (write_ndelay == -1)
1888 write_ndelay = CONFIG_MSND_WRITE_NDELAY;
1889 if (write_ndelay)
1890 clear_bit(F_DISABLE_WRITE_NDELAY, &dev.flags);
1891 else
1892 set_bit(F_DISABLE_WRITE_NDELAY, &dev.flags);
1893#ifndef MSND_CLASSIC
1894 if (digital)
1895 set_bit(F_HAVEDIGITAL, &dev.flags);
1896#endif
1897 init_waitqueue_head(&dev.writeblock);
1898 init_waitqueue_head(&dev.readblock);
1899 init_waitqueue_head(&dev.writeflush);
1900 msnd_fifo_init(&dev.DAPF);
1901 msnd_fifo_init(&dev.DARF);
1902 spin_lock_init(&dev.lock);
1903 printk(KERN_INFO LOGNAME ": %u byte audio FIFOs (x2)\n", dev.fifosize);
1904 if ((err = msnd_fifo_alloc(&dev.DAPF, dev.fifosize)) < 0) {
1905 printk(KERN_ERR LOGNAME ": Couldn't allocate write FIFO\n");
1906 return err;
1907 }
1908
1909 if ((err = msnd_fifo_alloc(&dev.DARF, dev.fifosize)) < 0) {
1910 printk(KERN_ERR LOGNAME ": Couldn't allocate read FIFO\n");
1911 msnd_fifo_free(&dev.DAPF);
1912 return err;
1913 }
1914
1915 if ((err = probe_multisound()) < 0) {
1916 printk(KERN_ERR LOGNAME ": Probe failed\n");
1917 msnd_fifo_free(&dev.DAPF);
1918 msnd_fifo_free(&dev.DARF);
1919 return err;
1920 }
1921
1922 if ((err = attach_multisound()) < 0) {
1923 printk(KERN_ERR LOGNAME ": Attach failed\n");
1924 msnd_fifo_free(&dev.DAPF);
1925 msnd_fifo_free(&dev.DARF);
1926 return err;
1927 }
1928
1929 return 0;
1930}
1931
1932static void __exit msdn_cleanup(void)
1933{
1934 unload_multisound();
1935 msnd_fifo_free(&dev.DAPF);
1936 msnd_fifo_free(&dev.DARF);
1937}
1938
1939module_init(msnd_init);
1940module_exit(msdn_cleanup);