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Merge branch 'bug-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/josef/btrfs...
[deliverable/linux.git] / sound / oss / msnd_pinnacle.c
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/smp_lock.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
82 static multisound_dev_t dev;
83
84 #ifndef HAVE_DSPCODEH
85 static char *dspini, *permini;
86 static int sizeof_dspini, sizeof_permini;
87 #endif
88
89 static int dsp_full_reset(void);
90 static void dsp_write_flush(void);
91
92 static __inline__ int chk_send_dsp_cmd(multisound_dev_t *dev, register BYTE cmd)
93 {
94 if (msnd_send_dsp_cmd(dev, cmd) == 0)
95 return 0;
96 dsp_full_reset();
97 return msnd_send_dsp_cmd(dev, cmd);
98 }
99
100 static void reset_play_queue(void)
101 {
102 int n;
103 LPDAQD lpDAQ;
104
105 dev.last_playbank = -1;
106 writew(PCTODSP_OFFSET(0 * DAQDS__size), dev.DAPQ + JQS_wHead);
107 writew(PCTODSP_OFFSET(0 * DAQDS__size), dev.DAPQ + JQS_wTail);
108
109 for (n = 0, lpDAQ = dev.base + DAPQ_DATA_BUFF; n < 3; ++n, lpDAQ += DAQDS__size) {
110 writew(PCTODSP_BASED((DWORD)(DAP_BUFF_SIZE * n)), lpDAQ + DAQDS_wStart);
111 writew(0, lpDAQ + DAQDS_wSize);
112 writew(1, lpDAQ + DAQDS_wFormat);
113 writew(dev.play_sample_size, lpDAQ + DAQDS_wSampleSize);
114 writew(dev.play_channels, lpDAQ + DAQDS_wChannels);
115 writew(dev.play_sample_rate, lpDAQ + DAQDS_wSampleRate);
116 writew(HIMT_PLAY_DONE * 0x100 + n, lpDAQ + DAQDS_wIntMsg);
117 writew(n, lpDAQ + DAQDS_wFlags);
118 }
119 }
120
121 static void reset_record_queue(void)
122 {
123 int n;
124 LPDAQD lpDAQ;
125 unsigned long flags;
126
127 dev.last_recbank = 2;
128 writew(PCTODSP_OFFSET(0 * DAQDS__size), dev.DARQ + JQS_wHead);
129 writew(PCTODSP_OFFSET(dev.last_recbank * DAQDS__size), dev.DARQ + JQS_wTail);
130
131 /* Critical section: bank 1 access */
132 spin_lock_irqsave(&dev.lock, flags);
133 msnd_outb(HPBLKSEL_1, dev.io + HP_BLKS);
134 memset_io(dev.base, 0, DAR_BUFF_SIZE * 3);
135 msnd_outb(HPBLKSEL_0, dev.io + HP_BLKS);
136 spin_unlock_irqrestore(&dev.lock, flags);
137
138 for (n = 0, lpDAQ = dev.base + DARQ_DATA_BUFF; n < 3; ++n, lpDAQ += DAQDS__size) {
139 writew(PCTODSP_BASED((DWORD)(DAR_BUFF_SIZE * n)) + 0x4000, lpDAQ + DAQDS_wStart);
140 writew(DAR_BUFF_SIZE, lpDAQ + DAQDS_wSize);
141 writew(1, lpDAQ + DAQDS_wFormat);
142 writew(dev.rec_sample_size, lpDAQ + DAQDS_wSampleSize);
143 writew(dev.rec_channels, lpDAQ + DAQDS_wChannels);
144 writew(dev.rec_sample_rate, lpDAQ + DAQDS_wSampleRate);
145 writew(HIMT_RECORD_DONE * 0x100 + n, lpDAQ + DAQDS_wIntMsg);
146 writew(n, lpDAQ + DAQDS_wFlags);
147 }
148 }
149
150 static void reset_queues(void)
151 {
152 if (dev.mode & FMODE_WRITE) {
153 msnd_fifo_make_empty(&dev.DAPF);
154 reset_play_queue();
155 }
156 if (dev.mode & FMODE_READ) {
157 msnd_fifo_make_empty(&dev.DARF);
158 reset_record_queue();
159 }
160 }
161
162 static int dsp_set_format(struct file *file, int val)
163 {
164 int data, i;
165 LPDAQD lpDAQ, lpDARQ;
166
167 lpDAQ = dev.base + DAPQ_DATA_BUFF;
168 lpDARQ = dev.base + DARQ_DATA_BUFF;
169
170 switch (val) {
171 case AFMT_U8:
172 case AFMT_S16_LE:
173 data = val;
174 break;
175 default:
176 data = DEFSAMPLESIZE;
177 break;
178 }
179
180 for (i = 0; i < 3; ++i, lpDAQ += DAQDS__size, lpDARQ += DAQDS__size) {
181 if (file->f_mode & FMODE_WRITE)
182 writew(data, lpDAQ + DAQDS_wSampleSize);
183 if (file->f_mode & FMODE_READ)
184 writew(data, lpDARQ + DAQDS_wSampleSize);
185 }
186 if (file->f_mode & FMODE_WRITE)
187 dev.play_sample_size = data;
188 if (file->f_mode & FMODE_READ)
189 dev.rec_sample_size = data;
190
191 return data;
192 }
193
194 static int dsp_get_frag_size(void)
195 {
196 int size;
197 size = dev.fifosize / 4;
198 if (size > 32 * 1024)
199 size = 32 * 1024;
200 return size;
201 }
202
203 static int dsp_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
204 {
205 int val, i, data, tmp;
206 LPDAQD lpDAQ, lpDARQ;
207 audio_buf_info abinfo;
208 unsigned long flags;
209 int __user *p = (int __user *)arg;
210
211 lpDAQ = dev.base + DAPQ_DATA_BUFF;
212 lpDARQ = dev.base + DARQ_DATA_BUFF;
213
214 switch (cmd) {
215 case SNDCTL_DSP_SUBDIVIDE:
216 case SNDCTL_DSP_SETFRAGMENT:
217 case SNDCTL_DSP_SETDUPLEX:
218 case SNDCTL_DSP_POST:
219 return 0;
220
221 case SNDCTL_DSP_GETIPTR:
222 case SNDCTL_DSP_GETOPTR:
223 case SNDCTL_DSP_MAPINBUF:
224 case SNDCTL_DSP_MAPOUTBUF:
225 return -EINVAL;
226
227 case SNDCTL_DSP_GETOSPACE:
228 if (!(file->f_mode & FMODE_WRITE))
229 return -EINVAL;
230 spin_lock_irqsave(&dev.lock, flags);
231 abinfo.fragsize = dsp_get_frag_size();
232 abinfo.bytes = dev.DAPF.n - dev.DAPF.len;
233 abinfo.fragstotal = dev.DAPF.n / abinfo.fragsize;
234 abinfo.fragments = abinfo.bytes / abinfo.fragsize;
235 spin_unlock_irqrestore(&dev.lock, flags);
236 return copy_to_user((void __user *)arg, &abinfo, sizeof(abinfo)) ? -EFAULT : 0;
237
238 case SNDCTL_DSP_GETISPACE:
239 if (!(file->f_mode & FMODE_READ))
240 return -EINVAL;
241 spin_lock_irqsave(&dev.lock, flags);
242 abinfo.fragsize = dsp_get_frag_size();
243 abinfo.bytes = dev.DARF.n - dev.DARF.len;
244 abinfo.fragstotal = dev.DARF.n / abinfo.fragsize;
245 abinfo.fragments = abinfo.bytes / abinfo.fragsize;
246 spin_unlock_irqrestore(&dev.lock, flags);
247 return copy_to_user((void __user *)arg, &abinfo, sizeof(abinfo)) ? -EFAULT : 0;
248
249 case SNDCTL_DSP_RESET:
250 dev.nresets = 0;
251 reset_queues();
252 return 0;
253
254 case SNDCTL_DSP_SYNC:
255 dsp_write_flush();
256 return 0;
257
258 case SNDCTL_DSP_GETBLKSIZE:
259 tmp = dsp_get_frag_size();
260 if (put_user(tmp, p))
261 return -EFAULT;
262 return 0;
263
264 case SNDCTL_DSP_GETFMTS:
265 val = AFMT_S16_LE | AFMT_U8;
266 if (put_user(val, p))
267 return -EFAULT;
268 return 0;
269
270 case SNDCTL_DSP_SETFMT:
271 if (get_user(val, p))
272 return -EFAULT;
273
274 if (file->f_mode & FMODE_WRITE)
275 data = val == AFMT_QUERY
276 ? dev.play_sample_size
277 : dsp_set_format(file, val);
278 else
279 data = val == AFMT_QUERY
280 ? dev.rec_sample_size
281 : dsp_set_format(file, val);
282
283 if (put_user(data, p))
284 return -EFAULT;
285 return 0;
286
287 case SNDCTL_DSP_NONBLOCK:
288 if (!test_bit(F_DISABLE_WRITE_NDELAY, &dev.flags) &&
289 file->f_mode & FMODE_WRITE)
290 dev.play_ndelay = 1;
291 if (file->f_mode & FMODE_READ)
292 dev.rec_ndelay = 1;
293 return 0;
294
295 case SNDCTL_DSP_GETCAPS:
296 val = DSP_CAP_DUPLEX | DSP_CAP_BATCH;
297 if (put_user(val, p))
298 return -EFAULT;
299 return 0;
300
301 case SNDCTL_DSP_SPEED:
302 if (get_user(val, p))
303 return -EFAULT;
304
305 if (val < 8000)
306 val = 8000;
307
308 if (val > 48000)
309 val = 48000;
310
311 data = val;
312
313 for (i = 0; i < 3; ++i, lpDAQ += DAQDS__size, lpDARQ += DAQDS__size) {
314 if (file->f_mode & FMODE_WRITE)
315 writew(data, lpDAQ + DAQDS_wSampleRate);
316 if (file->f_mode & FMODE_READ)
317 writew(data, lpDARQ + DAQDS_wSampleRate);
318 }
319 if (file->f_mode & FMODE_WRITE)
320 dev.play_sample_rate = data;
321 if (file->f_mode & FMODE_READ)
322 dev.rec_sample_rate = data;
323
324 if (put_user(data, p))
325 return -EFAULT;
326 return 0;
327
328 case SNDCTL_DSP_CHANNELS:
329 case SNDCTL_DSP_STEREO:
330 if (get_user(val, p))
331 return -EFAULT;
332
333 if (cmd == SNDCTL_DSP_CHANNELS) {
334 switch (val) {
335 case 1:
336 case 2:
337 data = val;
338 break;
339 default:
340 val = data = 2;
341 break;
342 }
343 } else {
344 switch (val) {
345 case 0:
346 data = 1;
347 break;
348 default:
349 val = 1;
350 case 1:
351 data = 2;
352 break;
353 }
354 }
355
356 for (i = 0; i < 3; ++i, lpDAQ += DAQDS__size, lpDARQ += DAQDS__size) {
357 if (file->f_mode & FMODE_WRITE)
358 writew(data, lpDAQ + DAQDS_wChannels);
359 if (file->f_mode & FMODE_READ)
360 writew(data, lpDARQ + DAQDS_wChannels);
361 }
362 if (file->f_mode & FMODE_WRITE)
363 dev.play_channels = data;
364 if (file->f_mode & FMODE_READ)
365 dev.rec_channels = data;
366
367 if (put_user(val, p))
368 return -EFAULT;
369 return 0;
370 }
371
372 return -EINVAL;
373 }
374
375 static int mixer_get(int d)
376 {
377 if (d > 31)
378 return -EINVAL;
379
380 switch (d) {
381 case SOUND_MIXER_VOLUME:
382 case SOUND_MIXER_PCM:
383 case SOUND_MIXER_LINE:
384 case SOUND_MIXER_IMIX:
385 case SOUND_MIXER_LINE1:
386 #ifndef MSND_CLASSIC
387 case SOUND_MIXER_MIC:
388 case SOUND_MIXER_SYNTH:
389 #endif
390 return (dev.left_levels[d] >> 8) * 100 / 0xff |
391 (((dev.right_levels[d] >> 8) * 100 / 0xff) << 8);
392 default:
393 return 0;
394 }
395 }
396
397 #define update_volm(a,b) \
398 writew((dev.left_levels[a] >> 1) * \
399 readw(dev.SMA + SMA_wCurrMastVolLeft) / 0xffff, \
400 dev.SMA + SMA_##b##Left); \
401 writew((dev.right_levels[a] >> 1) * \
402 readw(dev.SMA + SMA_wCurrMastVolRight) / 0xffff, \
403 dev.SMA + SMA_##b##Right);
404
405 #define update_potm(d,s,ar) \
406 writeb((dev.left_levels[d] >> 8) * \
407 readw(dev.SMA + SMA_wCurrMastVolLeft) / 0xffff, \
408 dev.SMA + SMA_##s##Left); \
409 writeb((dev.right_levels[d] >> 8) * \
410 readw(dev.SMA + SMA_wCurrMastVolRight) / 0xffff, \
411 dev.SMA + SMA_##s##Right); \
412 if (msnd_send_word(&dev, 0, 0, ar) == 0) \
413 chk_send_dsp_cmd(&dev, HDEX_AUX_REQ);
414
415 #define update_pot(d,s,ar) \
416 writeb(dev.left_levels[d] >> 8, \
417 dev.SMA + SMA_##s##Left); \
418 writeb(dev.right_levels[d] >> 8, \
419 dev.SMA + SMA_##s##Right); \
420 if (msnd_send_word(&dev, 0, 0, ar) == 0) \
421 chk_send_dsp_cmd(&dev, HDEX_AUX_REQ);
422
423 static int mixer_set(int d, int value)
424 {
425 int left = value & 0x000000ff;
426 int right = (value & 0x0000ff00) >> 8;
427 int bLeft, bRight;
428 int wLeft, wRight;
429 int updatemaster = 0;
430
431 if (d > 31)
432 return -EINVAL;
433
434 bLeft = left * 0xff / 100;
435 wLeft = left * 0xffff / 100;
436
437 bRight = right * 0xff / 100;
438 wRight = right * 0xffff / 100;
439
440 dev.left_levels[d] = wLeft;
441 dev.right_levels[d] = wRight;
442
443 switch (d) {
444 /* master volume unscaled controls */
445 case SOUND_MIXER_LINE: /* line pot control */
446 /* scaled by IMIX in digital mix */
447 writeb(bLeft, dev.SMA + SMA_bInPotPosLeft);
448 writeb(bRight, dev.SMA + SMA_bInPotPosRight);
449 if (msnd_send_word(&dev, 0, 0, HDEXAR_IN_SET_POTS) == 0)
450 chk_send_dsp_cmd(&dev, HDEX_AUX_REQ);
451 break;
452 #ifndef MSND_CLASSIC
453 case SOUND_MIXER_MIC: /* mic pot control */
454 /* scaled by IMIX in digital mix */
455 writeb(bLeft, dev.SMA + SMA_bMicPotPosLeft);
456 writeb(bRight, dev.SMA + SMA_bMicPotPosRight);
457 if (msnd_send_word(&dev, 0, 0, HDEXAR_MIC_SET_POTS) == 0)
458 chk_send_dsp_cmd(&dev, HDEX_AUX_REQ);
459 break;
460 #endif
461 case SOUND_MIXER_VOLUME: /* master volume */
462 writew(wLeft, dev.SMA + SMA_wCurrMastVolLeft);
463 writew(wRight, dev.SMA + SMA_wCurrMastVolRight);
464 /* fall through */
465
466 case SOUND_MIXER_LINE1: /* aux pot control */
467 /* scaled by master volume */
468 /* fall through */
469
470 /* digital controls */
471 case SOUND_MIXER_SYNTH: /* synth vol (dsp mix) */
472 case SOUND_MIXER_PCM: /* pcm vol (dsp mix) */
473 case SOUND_MIXER_IMIX: /* input monitor (dsp mix) */
474 /* scaled by master volume */
475 updatemaster = 1;
476 break;
477
478 default:
479 return 0;
480 }
481
482 if (updatemaster) {
483 /* update master volume scaled controls */
484 update_volm(SOUND_MIXER_PCM, wCurrPlayVol);
485 update_volm(SOUND_MIXER_IMIX, wCurrInVol);
486 #ifndef MSND_CLASSIC
487 update_volm(SOUND_MIXER_SYNTH, wCurrMHdrVol);
488 #endif
489 update_potm(SOUND_MIXER_LINE1, bAuxPotPos, HDEXAR_AUX_SET_POTS);
490 }
491
492 return mixer_get(d);
493 }
494
495 static void mixer_setup(void)
496 {
497 update_pot(SOUND_MIXER_LINE, bInPotPos, HDEXAR_IN_SET_POTS);
498 update_potm(SOUND_MIXER_LINE1, bAuxPotPos, HDEXAR_AUX_SET_POTS);
499 update_volm(SOUND_MIXER_PCM, wCurrPlayVol);
500 update_volm(SOUND_MIXER_IMIX, wCurrInVol);
501 #ifndef MSND_CLASSIC
502 update_pot(SOUND_MIXER_MIC, bMicPotPos, HDEXAR_MIC_SET_POTS);
503 update_volm(SOUND_MIXER_SYNTH, wCurrMHdrVol);
504 #endif
505 }
506
507 static unsigned long set_recsrc(unsigned long recsrc)
508 {
509 if (dev.recsrc == recsrc)
510 return dev.recsrc;
511 #ifdef HAVE_NORECSRC
512 else if (recsrc == 0)
513 dev.recsrc = 0;
514 #endif
515 else
516 dev.recsrc ^= recsrc;
517
518 #ifndef MSND_CLASSIC
519 if (dev.recsrc & SOUND_MASK_IMIX) {
520 if (msnd_send_word(&dev, 0, 0, HDEXAR_SET_ANA_IN) == 0)
521 chk_send_dsp_cmd(&dev, HDEX_AUX_REQ);
522 }
523 else if (dev.recsrc & SOUND_MASK_SYNTH) {
524 if (msnd_send_word(&dev, 0, 0, HDEXAR_SET_SYNTH_IN) == 0)
525 chk_send_dsp_cmd(&dev, HDEX_AUX_REQ);
526 }
527 else if ((dev.recsrc & SOUND_MASK_DIGITAL1) && test_bit(F_HAVEDIGITAL, &dev.flags)) {
528 if (msnd_send_word(&dev, 0, 0, HDEXAR_SET_DAT_IN) == 0)
529 chk_send_dsp_cmd(&dev, HDEX_AUX_REQ);
530 }
531 else {
532 #ifdef HAVE_NORECSRC
533 /* Select no input (?) */
534 dev.recsrc = 0;
535 #else
536 dev.recsrc = SOUND_MASK_IMIX;
537 if (msnd_send_word(&dev, 0, 0, HDEXAR_SET_ANA_IN) == 0)
538 chk_send_dsp_cmd(&dev, HDEX_AUX_REQ);
539 #endif
540 }
541 #endif /* MSND_CLASSIC */
542
543 return dev.recsrc;
544 }
545
546 static unsigned long force_recsrc(unsigned long recsrc)
547 {
548 dev.recsrc = 0;
549 return set_recsrc(recsrc);
550 }
551
552 #define set_mixer_info() \
553 memset(&info, 0, sizeof(info)); \
554 strlcpy(info.id, "MSNDMIXER", sizeof(info.id)); \
555 strlcpy(info.name, "MultiSound Mixer", sizeof(info.name));
556
557 static int mixer_ioctl(unsigned int cmd, unsigned long arg)
558 {
559 if (cmd == SOUND_MIXER_INFO) {
560 mixer_info info;
561 set_mixer_info();
562 info.modify_counter = dev.mixer_mod_count;
563 if (copy_to_user((void __user *)arg, &info, sizeof(info)))
564 return -EFAULT;
565 return 0;
566 } else if (cmd == SOUND_OLD_MIXER_INFO) {
567 _old_mixer_info info;
568 set_mixer_info();
569 if (copy_to_user((void __user *)arg, &info, sizeof(info)))
570 return -EFAULT;
571 return 0;
572 } else if (cmd == SOUND_MIXER_PRIVATE1) {
573 dev.nresets = 0;
574 dsp_full_reset();
575 return 0;
576 } else if (((cmd >> 8) & 0xff) == 'M') {
577 int val = 0;
578
579 if (_SIOC_DIR(cmd) & _SIOC_WRITE) {
580 switch (cmd & 0xff) {
581 case SOUND_MIXER_RECSRC:
582 if (get_user(val, (int __user *)arg))
583 return -EFAULT;
584 val = set_recsrc(val);
585 break;
586
587 default:
588 if (get_user(val, (int __user *)arg))
589 return -EFAULT;
590 val = mixer_set(cmd & 0xff, val);
591 break;
592 }
593 ++dev.mixer_mod_count;
594 return put_user(val, (int __user *)arg);
595 } else {
596 switch (cmd & 0xff) {
597 case SOUND_MIXER_RECSRC:
598 val = dev.recsrc;
599 break;
600
601 case SOUND_MIXER_DEVMASK:
602 case SOUND_MIXER_STEREODEVS:
603 val = SOUND_MASK_PCM |
604 SOUND_MASK_LINE |
605 SOUND_MASK_IMIX |
606 SOUND_MASK_LINE1 |
607 #ifndef MSND_CLASSIC
608 SOUND_MASK_MIC |
609 SOUND_MASK_SYNTH |
610 #endif
611 SOUND_MASK_VOLUME;
612 break;
613
614 case SOUND_MIXER_RECMASK:
615 #ifdef MSND_CLASSIC
616 val = 0;
617 #else
618 val = SOUND_MASK_IMIX |
619 SOUND_MASK_SYNTH;
620 if (test_bit(F_HAVEDIGITAL, &dev.flags))
621 val |= SOUND_MASK_DIGITAL1;
622 #endif
623 break;
624
625 case SOUND_MIXER_CAPS:
626 val = SOUND_CAP_EXCL_INPUT;
627 break;
628
629 default:
630 if ((val = mixer_get(cmd & 0xff)) < 0)
631 return -EINVAL;
632 break;
633 }
634 }
635
636 return put_user(val, (int __user *)arg);
637 }
638
639 return -EINVAL;
640 }
641
642 static long dev_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
643 {
644 int minor = iminor(file->f_path.dentry->d_inode);
645 int ret;
646
647 if (cmd == OSS_GETVERSION) {
648 int sound_version = SOUND_VERSION;
649 return put_user(sound_version, (int __user *)arg);
650 }
651
652 ret = -EINVAL;
653
654 lock_kernel();
655 if (minor == dev.dsp_minor)
656 ret = dsp_ioctl(file, cmd, arg);
657 else if (minor == dev.mixer_minor)
658 ret = mixer_ioctl(cmd, arg);
659 unlock_kernel();
660
661 return ret;
662 }
663
664 static void dsp_write_flush(void)
665 {
666 if (!(dev.mode & FMODE_WRITE) || !test_bit(F_WRITING, &dev.flags))
667 return;
668 set_bit(F_WRITEFLUSH, &dev.flags);
669 interruptible_sleep_on_timeout(
670 &dev.writeflush,
671 get_play_delay_jiffies(dev.DAPF.len));
672 clear_bit(F_WRITEFLUSH, &dev.flags);
673 if (!signal_pending(current)) {
674 current->state = TASK_INTERRUPTIBLE;
675 schedule_timeout(get_play_delay_jiffies(DAP_BUFF_SIZE));
676 }
677 clear_bit(F_WRITING, &dev.flags);
678 }
679
680 static void dsp_halt(struct file *file)
681 {
682 if ((file ? file->f_mode : dev.mode) & FMODE_READ) {
683 clear_bit(F_READING, &dev.flags);
684 chk_send_dsp_cmd(&dev, HDEX_RECORD_STOP);
685 msnd_disable_irq(&dev);
686 if (file) {
687 printk(KERN_DEBUG LOGNAME ": Stopping read for %p\n", file);
688 dev.mode &= ~FMODE_READ;
689 }
690 clear_bit(F_AUDIO_READ_INUSE, &dev.flags);
691 }
692 if ((file ? file->f_mode : dev.mode) & FMODE_WRITE) {
693 if (test_bit(F_WRITING, &dev.flags)) {
694 dsp_write_flush();
695 chk_send_dsp_cmd(&dev, HDEX_PLAY_STOP);
696 }
697 msnd_disable_irq(&dev);
698 if (file) {
699 printk(KERN_DEBUG LOGNAME ": Stopping write for %p\n", file);
700 dev.mode &= ~FMODE_WRITE;
701 }
702 clear_bit(F_AUDIO_WRITE_INUSE, &dev.flags);
703 }
704 }
705
706 static int dsp_release(struct file *file)
707 {
708 dsp_halt(file);
709 return 0;
710 }
711
712 static int dsp_open(struct file *file)
713 {
714 if ((file ? file->f_mode : dev.mode) & FMODE_WRITE) {
715 set_bit(F_AUDIO_WRITE_INUSE, &dev.flags);
716 clear_bit(F_WRITING, &dev.flags);
717 msnd_fifo_make_empty(&dev.DAPF);
718 reset_play_queue();
719 if (file) {
720 printk(KERN_DEBUG LOGNAME ": Starting write for %p\n", file);
721 dev.mode |= FMODE_WRITE;
722 }
723 msnd_enable_irq(&dev);
724 }
725 if ((file ? file->f_mode : dev.mode) & FMODE_READ) {
726 set_bit(F_AUDIO_READ_INUSE, &dev.flags);
727 clear_bit(F_READING, &dev.flags);
728 msnd_fifo_make_empty(&dev.DARF);
729 reset_record_queue();
730 if (file) {
731 printk(KERN_DEBUG LOGNAME ": Starting read for %p\n", file);
732 dev.mode |= FMODE_READ;
733 }
734 msnd_enable_irq(&dev);
735 }
736 return 0;
737 }
738
739 static void set_default_play_audio_parameters(void)
740 {
741 dev.play_sample_size = DEFSAMPLESIZE;
742 dev.play_sample_rate = DEFSAMPLERATE;
743 dev.play_channels = DEFCHANNELS;
744 }
745
746 static void set_default_rec_audio_parameters(void)
747 {
748 dev.rec_sample_size = DEFSAMPLESIZE;
749 dev.rec_sample_rate = DEFSAMPLERATE;
750 dev.rec_channels = DEFCHANNELS;
751 }
752
753 static void set_default_audio_parameters(void)
754 {
755 set_default_play_audio_parameters();
756 set_default_rec_audio_parameters();
757 }
758
759 static int dev_open(struct inode *inode, struct file *file)
760 {
761 int minor = iminor(inode);
762 int err = 0;
763
764 lock_kernel();
765 if (minor == dev.dsp_minor) {
766 if ((file->f_mode & FMODE_WRITE &&
767 test_bit(F_AUDIO_WRITE_INUSE, &dev.flags)) ||
768 (file->f_mode & FMODE_READ &&
769 test_bit(F_AUDIO_READ_INUSE, &dev.flags))) {
770 err = -EBUSY;
771 goto out;
772 }
773
774 if ((err = dsp_open(file)) >= 0) {
775 dev.nresets = 0;
776 if (file->f_mode & FMODE_WRITE) {
777 set_default_play_audio_parameters();
778 if (!test_bit(F_DISABLE_WRITE_NDELAY, &dev.flags))
779 dev.play_ndelay = (file->f_flags & O_NDELAY) ? 1 : 0;
780 else
781 dev.play_ndelay = 0;
782 }
783 if (file->f_mode & FMODE_READ) {
784 set_default_rec_audio_parameters();
785 dev.rec_ndelay = (file->f_flags & O_NDELAY) ? 1 : 0;
786 }
787 }
788 }
789 else if (minor == dev.mixer_minor) {
790 /* nothing */
791 } else
792 err = -EINVAL;
793 out:
794 unlock_kernel();
795 return err;
796 }
797
798 static int dev_release(struct inode *inode, struct file *file)
799 {
800 int minor = iminor(inode);
801 int err = 0;
802
803 lock_kernel();
804 if (minor == dev.dsp_minor)
805 err = dsp_release(file);
806 else if (minor == dev.mixer_minor) {
807 /* nothing */
808 } else
809 err = -EINVAL;
810 unlock_kernel();
811 return err;
812 }
813
814 static __inline__ int pack_DARQ_to_DARF(register int bank)
815 {
816 register int size, timeout = 3;
817 register WORD wTmp;
818 LPDAQD DAQD;
819
820 /* Increment the tail and check for queue wrap */
821 wTmp = readw(dev.DARQ + JQS_wTail) + PCTODSP_OFFSET(DAQDS__size);
822 if (wTmp > readw(dev.DARQ + JQS_wSize))
823 wTmp = 0;
824 while (wTmp == readw(dev.DARQ + JQS_wHead) && timeout--)
825 udelay(1);
826 writew(wTmp, dev.DARQ + JQS_wTail);
827
828 /* Get our digital audio queue struct */
829 DAQD = bank * DAQDS__size + dev.base + DARQ_DATA_BUFF;
830
831 /* Get length of data */
832 size = readw(DAQD + DAQDS_wSize);
833
834 /* Read data from the head (unprotected bank 1 access okay
835 since this is only called inside an interrupt) */
836 msnd_outb(HPBLKSEL_1, dev.io + HP_BLKS);
837 msnd_fifo_write_io(
838 &dev.DARF,
839 dev.base + bank * DAR_BUFF_SIZE,
840 size);
841 msnd_outb(HPBLKSEL_0, dev.io + HP_BLKS);
842
843 return 1;
844 }
845
846 static __inline__ int pack_DAPF_to_DAPQ(register int start)
847 {
848 register WORD DAPQ_tail;
849 register int protect = start, nbanks = 0;
850 LPDAQD DAQD;
851
852 DAPQ_tail = readw(dev.DAPQ + JQS_wTail);
853 while (DAPQ_tail != readw(dev.DAPQ + JQS_wHead) || start) {
854 register int bank_num = DAPQ_tail / PCTODSP_OFFSET(DAQDS__size);
855 register int n;
856 unsigned long flags;
857
858 /* Write the data to the new tail */
859 if (protect) {
860 /* Critical section: protect fifo in non-interrupt */
861 spin_lock_irqsave(&dev.lock, flags);
862 n = msnd_fifo_read_io(
863 &dev.DAPF,
864 dev.base + bank_num * DAP_BUFF_SIZE,
865 DAP_BUFF_SIZE);
866 spin_unlock_irqrestore(&dev.lock, flags);
867 } else {
868 n = msnd_fifo_read_io(
869 &dev.DAPF,
870 dev.base + bank_num * DAP_BUFF_SIZE,
871 DAP_BUFF_SIZE);
872 }
873 if (!n)
874 break;
875
876 if (start)
877 start = 0;
878
879 /* Get our digital audio queue struct */
880 DAQD = bank_num * DAQDS__size + dev.base + DAPQ_DATA_BUFF;
881
882 /* Write size of this bank */
883 writew(n, DAQD + DAQDS_wSize);
884 ++nbanks;
885
886 /* Then advance the tail */
887 DAPQ_tail = (++bank_num % 3) * PCTODSP_OFFSET(DAQDS__size);
888 writew(DAPQ_tail, dev.DAPQ + JQS_wTail);
889 /* Tell the DSP to play the bank */
890 msnd_send_dsp_cmd(&dev, HDEX_PLAY_START);
891 }
892 return nbanks;
893 }
894
895 static int dsp_read(char __user *buf, size_t len)
896 {
897 int count = len;
898 char *page = (char *)__get_free_page(GFP_KERNEL);
899
900 if (!page)
901 return -ENOMEM;
902
903 while (count > 0) {
904 int n, k;
905 unsigned long flags;
906
907 k = PAGE_SIZE;
908 if (k > count)
909 k = count;
910
911 /* Critical section: protect fifo in non-interrupt */
912 spin_lock_irqsave(&dev.lock, flags);
913 n = msnd_fifo_read(&dev.DARF, page, k);
914 spin_unlock_irqrestore(&dev.lock, flags);
915 if (copy_to_user(buf, page, n)) {
916 free_page((unsigned long)page);
917 return -EFAULT;
918 }
919 buf += n;
920 count -= n;
921
922 if (n == k && count)
923 continue;
924
925 if (!test_bit(F_READING, &dev.flags) && dev.mode & FMODE_READ) {
926 dev.last_recbank = -1;
927 if (chk_send_dsp_cmd(&dev, HDEX_RECORD_START) == 0)
928 set_bit(F_READING, &dev.flags);
929 }
930
931 if (dev.rec_ndelay) {
932 free_page((unsigned long)page);
933 return count == len ? -EAGAIN : len - count;
934 }
935
936 if (count > 0) {
937 set_bit(F_READBLOCK, &dev.flags);
938 if (!interruptible_sleep_on_timeout(
939 &dev.readblock,
940 get_rec_delay_jiffies(DAR_BUFF_SIZE)))
941 clear_bit(F_READING, &dev.flags);
942 clear_bit(F_READBLOCK, &dev.flags);
943 if (signal_pending(current)) {
944 free_page((unsigned long)page);
945 return -EINTR;
946 }
947 }
948 }
949 free_page((unsigned long)page);
950 return len - count;
951 }
952
953 static int dsp_write(const char __user *buf, size_t len)
954 {
955 int count = len;
956 char *page = (char *)__get_free_page(GFP_KERNEL);
957
958 if (!page)
959 return -ENOMEM;
960
961 while (count > 0) {
962 int n, k;
963 unsigned long flags;
964
965 k = PAGE_SIZE;
966 if (k > count)
967 k = count;
968
969 if (copy_from_user(page, buf, k)) {
970 free_page((unsigned long)page);
971 return -EFAULT;
972 }
973
974 /* Critical section: protect fifo in non-interrupt */
975 spin_lock_irqsave(&dev.lock, flags);
976 n = msnd_fifo_write(&dev.DAPF, page, k);
977 spin_unlock_irqrestore(&dev.lock, flags);
978 buf += n;
979 count -= n;
980
981 if (count && n == k)
982 continue;
983
984 if (!test_bit(F_WRITING, &dev.flags) && (dev.mode & FMODE_WRITE)) {
985 dev.last_playbank = -1;
986 if (pack_DAPF_to_DAPQ(1) > 0)
987 set_bit(F_WRITING, &dev.flags);
988 }
989
990 if (dev.play_ndelay) {
991 free_page((unsigned long)page);
992 return count == len ? -EAGAIN : len - count;
993 }
994
995 if (count > 0) {
996 set_bit(F_WRITEBLOCK, &dev.flags);
997 interruptible_sleep_on_timeout(
998 &dev.writeblock,
999 get_play_delay_jiffies(DAP_BUFF_SIZE));
1000 clear_bit(F_WRITEBLOCK, &dev.flags);
1001 if (signal_pending(current)) {
1002 free_page((unsigned long)page);
1003 return -EINTR;
1004 }
1005 }
1006 }
1007
1008 free_page((unsigned long)page);
1009 return len - count;
1010 }
1011
1012 static ssize_t dev_read(struct file *file, char __user *buf, size_t count, loff_t *off)
1013 {
1014 int minor = iminor(file->f_path.dentry->d_inode);
1015 if (minor == dev.dsp_minor)
1016 return dsp_read(buf, count);
1017 else
1018 return -EINVAL;
1019 }
1020
1021 static ssize_t dev_write(struct file *file, const char __user *buf, size_t count, loff_t *off)
1022 {
1023 int minor = iminor(file->f_path.dentry->d_inode);
1024 if (minor == dev.dsp_minor)
1025 return dsp_write(buf, count);
1026 else
1027 return -EINVAL;
1028 }
1029
1030 static __inline__ void eval_dsp_msg(register WORD wMessage)
1031 {
1032 switch (HIBYTE(wMessage)) {
1033 case HIMT_PLAY_DONE:
1034 if (dev.last_playbank == LOBYTE(wMessage) || !test_bit(F_WRITING, &dev.flags))
1035 break;
1036 dev.last_playbank = LOBYTE(wMessage);
1037
1038 if (pack_DAPF_to_DAPQ(0) <= 0) {
1039 if (!test_bit(F_WRITEBLOCK, &dev.flags)) {
1040 if (test_and_clear_bit(F_WRITEFLUSH, &dev.flags))
1041 wake_up_interruptible(&dev.writeflush);
1042 }
1043 clear_bit(F_WRITING, &dev.flags);
1044 }
1045
1046 if (test_bit(F_WRITEBLOCK, &dev.flags))
1047 wake_up_interruptible(&dev.writeblock);
1048 break;
1049
1050 case HIMT_RECORD_DONE:
1051 if (dev.last_recbank == LOBYTE(wMessage))
1052 break;
1053 dev.last_recbank = LOBYTE(wMessage);
1054
1055 pack_DARQ_to_DARF(dev.last_recbank);
1056
1057 if (test_bit(F_READBLOCK, &dev.flags))
1058 wake_up_interruptible(&dev.readblock);
1059 break;
1060
1061 case HIMT_DSP:
1062 switch (LOBYTE(wMessage)) {
1063 #ifndef MSND_CLASSIC
1064 case HIDSP_PLAY_UNDER:
1065 #endif
1066 case HIDSP_INT_PLAY_UNDER:
1067 /* printk(KERN_DEBUG LOGNAME ": Play underflow\n"); */
1068 clear_bit(F_WRITING, &dev.flags);
1069 break;
1070
1071 case HIDSP_INT_RECORD_OVER:
1072 /* printk(KERN_DEBUG LOGNAME ": Record overflow\n"); */
1073 clear_bit(F_READING, &dev.flags);
1074 break;
1075
1076 default:
1077 /* printk(KERN_DEBUG LOGNAME ": DSP message %d 0x%02x\n",
1078 LOBYTE(wMessage), LOBYTE(wMessage)); */
1079 break;
1080 }
1081 break;
1082
1083 case HIMT_MIDI_IN_UCHAR:
1084 if (dev.midi_in_interrupt)
1085 (*dev.midi_in_interrupt)(&dev);
1086 break;
1087
1088 default:
1089 /* printk(KERN_DEBUG LOGNAME ": HIMT message %d 0x%02x\n", HIBYTE(wMessage), HIBYTE(wMessage)); */
1090 break;
1091 }
1092 }
1093
1094 static irqreturn_t intr(int irq, void *dev_id)
1095 {
1096 /* Send ack to DSP */
1097 msnd_inb(dev.io + HP_RXL);
1098
1099 /* Evaluate queued DSP messages */
1100 while (readw(dev.DSPQ + JQS_wTail) != readw(dev.DSPQ + JQS_wHead)) {
1101 register WORD wTmp;
1102
1103 eval_dsp_msg(readw(dev.pwDSPQData + 2*readw(dev.DSPQ + JQS_wHead)));
1104
1105 if ((wTmp = readw(dev.DSPQ + JQS_wHead) + 1) > readw(dev.DSPQ + JQS_wSize))
1106 writew(0, dev.DSPQ + JQS_wHead);
1107 else
1108 writew(wTmp, dev.DSPQ + JQS_wHead);
1109 }
1110 return IRQ_HANDLED;
1111 }
1112
1113 static const struct file_operations dev_fileops = {
1114 .owner = THIS_MODULE,
1115 .read = dev_read,
1116 .write = dev_write,
1117 .unlocked_ioctl = dev_ioctl,
1118 .open = dev_open,
1119 .release = dev_release,
1120 };
1121
1122 static int reset_dsp(void)
1123 {
1124 int timeout = 100;
1125
1126 msnd_outb(HPDSPRESET_ON, dev.io + HP_DSPR);
1127 mdelay(1);
1128 #ifndef MSND_CLASSIC
1129 dev.info = msnd_inb(dev.io + HP_INFO);
1130 #endif
1131 msnd_outb(HPDSPRESET_OFF, dev.io + HP_DSPR);
1132 mdelay(1);
1133 while (timeout-- > 0) {
1134 if (msnd_inb(dev.io + HP_CVR) == HP_CVR_DEF)
1135 return 0;
1136 mdelay(1);
1137 }
1138 printk(KERN_ERR LOGNAME ": Cannot reset DSP\n");
1139
1140 return -EIO;
1141 }
1142
1143 static int __init probe_multisound(void)
1144 {
1145 #ifndef MSND_CLASSIC
1146 char *xv, *rev = NULL;
1147 char *pin = "Pinnacle", *fiji = "Fiji";
1148 char *pinfiji = "Pinnacle/Fiji";
1149 #endif
1150
1151 if (!request_region(dev.io, dev.numio, "probing")) {
1152 printk(KERN_ERR LOGNAME ": I/O port conflict\n");
1153 return -ENODEV;
1154 }
1155
1156 if (reset_dsp() < 0) {
1157 release_region(dev.io, dev.numio);
1158 return -ENODEV;
1159 }
1160
1161 #ifdef MSND_CLASSIC
1162 dev.name = "Classic/Tahiti/Monterey";
1163 printk(KERN_INFO LOGNAME ": %s, "
1164 #else
1165 switch (dev.info >> 4) {
1166 case 0xf: xv = "<= 1.15"; break;
1167 case 0x1: xv = "1.18/1.2"; break;
1168 case 0x2: xv = "1.3"; break;
1169 case 0x3: xv = "1.4"; break;
1170 default: xv = "unknown"; break;
1171 }
1172
1173 switch (dev.info & 0x7) {
1174 case 0x0: rev = "I"; dev.name = pin; break;
1175 case 0x1: rev = "F"; dev.name = pin; break;
1176 case 0x2: rev = "G"; dev.name = pin; break;
1177 case 0x3: rev = "H"; dev.name = pin; break;
1178 case 0x4: rev = "E"; dev.name = fiji; break;
1179 case 0x5: rev = "C"; dev.name = fiji; break;
1180 case 0x6: rev = "D"; dev.name = fiji; break;
1181 case 0x7:
1182 rev = "A-B (Fiji) or A-E (Pinnacle)";
1183 dev.name = pinfiji;
1184 break;
1185 }
1186 printk(KERN_INFO LOGNAME ": %s revision %s, Xilinx version %s, "
1187 #endif /* MSND_CLASSIC */
1188 "I/O 0x%x-0x%x, IRQ %d, memory mapped to %p-%p\n",
1189 dev.name,
1190 #ifndef MSND_CLASSIC
1191 rev, xv,
1192 #endif
1193 dev.io, dev.io + dev.numio - 1,
1194 dev.irq,
1195 dev.base, dev.base + 0x7fff);
1196
1197 release_region(dev.io, dev.numio);
1198 return 0;
1199 }
1200
1201 static int init_sma(void)
1202 {
1203 static int initted;
1204 WORD mastVolLeft, mastVolRight;
1205 unsigned long flags;
1206
1207 #ifdef MSND_CLASSIC
1208 msnd_outb(dev.memid, dev.io + HP_MEMM);
1209 #endif
1210 msnd_outb(HPBLKSEL_0, dev.io + HP_BLKS);
1211 if (initted) {
1212 mastVolLeft = readw(dev.SMA + SMA_wCurrMastVolLeft);
1213 mastVolRight = readw(dev.SMA + SMA_wCurrMastVolRight);
1214 } else
1215 mastVolLeft = mastVolRight = 0;
1216 memset_io(dev.base, 0, 0x8000);
1217
1218 /* Critical section: bank 1 access */
1219 spin_lock_irqsave(&dev.lock, flags);
1220 msnd_outb(HPBLKSEL_1, dev.io + HP_BLKS);
1221 memset_io(dev.base, 0, 0x8000);
1222 msnd_outb(HPBLKSEL_0, dev.io + HP_BLKS);
1223 spin_unlock_irqrestore(&dev.lock, flags);
1224
1225 dev.pwDSPQData = (dev.base + DSPQ_DATA_BUFF);
1226 dev.pwMODQData = (dev.base + MODQ_DATA_BUFF);
1227 dev.pwMIDQData = (dev.base + MIDQ_DATA_BUFF);
1228
1229 /* Motorola 56k shared memory base */
1230 dev.SMA = dev.base + SMA_STRUCT_START;
1231
1232 /* Digital audio play queue */
1233 dev.DAPQ = dev.base + DAPQ_OFFSET;
1234 msnd_init_queue(dev.DAPQ, DAPQ_DATA_BUFF, DAPQ_BUFF_SIZE);
1235
1236 /* Digital audio record queue */
1237 dev.DARQ = dev.base + DARQ_OFFSET;
1238 msnd_init_queue(dev.DARQ, DARQ_DATA_BUFF, DARQ_BUFF_SIZE);
1239
1240 /* MIDI out queue */
1241 dev.MODQ = dev.base + MODQ_OFFSET;
1242 msnd_init_queue(dev.MODQ, MODQ_DATA_BUFF, MODQ_BUFF_SIZE);
1243
1244 /* MIDI in queue */
1245 dev.MIDQ = dev.base + MIDQ_OFFSET;
1246 msnd_init_queue(dev.MIDQ, MIDQ_DATA_BUFF, MIDQ_BUFF_SIZE);
1247
1248 /* DSP -> host message queue */
1249 dev.DSPQ = dev.base + DSPQ_OFFSET;
1250 msnd_init_queue(dev.DSPQ, DSPQ_DATA_BUFF, DSPQ_BUFF_SIZE);
1251
1252 /* Setup some DSP values */
1253 #ifndef MSND_CLASSIC
1254 writew(1, dev.SMA + SMA_wCurrPlayFormat);
1255 writew(dev.play_sample_size, dev.SMA + SMA_wCurrPlaySampleSize);
1256 writew(dev.play_channels, dev.SMA + SMA_wCurrPlayChannels);
1257 writew(dev.play_sample_rate, dev.SMA + SMA_wCurrPlaySampleRate);
1258 #endif
1259 writew(dev.play_sample_rate, dev.SMA + SMA_wCalFreqAtoD);
1260 writew(mastVolLeft, dev.SMA + SMA_wCurrMastVolLeft);
1261 writew(mastVolRight, dev.SMA + SMA_wCurrMastVolRight);
1262 #ifndef MSND_CLASSIC
1263 writel(0x00010000, dev.SMA + SMA_dwCurrPlayPitch);
1264 writel(0x00000001, dev.SMA + SMA_dwCurrPlayRate);
1265 #endif
1266 writew(0x303, dev.SMA + SMA_wCurrInputTagBits);
1267
1268 initted = 1;
1269
1270 return 0;
1271 }
1272
1273 static int __init calibrate_adc(WORD srate)
1274 {
1275 writew(srate, dev.SMA + SMA_wCalFreqAtoD);
1276 if (dev.calibrate_signal == 0)
1277 writew(readw(dev.SMA + SMA_wCurrHostStatusFlags)
1278 | 0x0001, dev.SMA + SMA_wCurrHostStatusFlags);
1279 else
1280 writew(readw(dev.SMA + SMA_wCurrHostStatusFlags)
1281 & ~0x0001, dev.SMA + SMA_wCurrHostStatusFlags);
1282 if (msnd_send_word(&dev, 0, 0, HDEXAR_CAL_A_TO_D) == 0 &&
1283 chk_send_dsp_cmd(&dev, HDEX_AUX_REQ) == 0) {
1284 current->state = TASK_INTERRUPTIBLE;
1285 schedule_timeout(HZ / 3);
1286 return 0;
1287 }
1288 printk(KERN_WARNING LOGNAME ": ADC calibration failed\n");
1289
1290 return -EIO;
1291 }
1292
1293 static int upload_dsp_code(void)
1294 {
1295 msnd_outb(HPBLKSEL_0, dev.io + HP_BLKS);
1296 #ifndef HAVE_DSPCODEH
1297 INITCODESIZE = mod_firmware_load(INITCODEFILE, &INITCODE);
1298 if (!INITCODE) {
1299 printk(KERN_ERR LOGNAME ": Error loading " INITCODEFILE);
1300 return -EBUSY;
1301 }
1302
1303 PERMCODESIZE = mod_firmware_load(PERMCODEFILE, &PERMCODE);
1304 if (!PERMCODE) {
1305 printk(KERN_ERR LOGNAME ": Error loading " PERMCODEFILE);
1306 vfree(INITCODE);
1307 return -EBUSY;
1308 }
1309 #endif
1310 memcpy_toio(dev.base, PERMCODE, PERMCODESIZE);
1311 if (msnd_upload_host(&dev, INITCODE, INITCODESIZE) < 0) {
1312 printk(KERN_WARNING LOGNAME ": Error uploading to DSP\n");
1313 return -ENODEV;
1314 }
1315 #ifdef HAVE_DSPCODEH
1316 printk(KERN_INFO LOGNAME ": DSP firmware uploaded (resident)\n");
1317 #else
1318 printk(KERN_INFO LOGNAME ": DSP firmware uploaded\n");
1319 #endif
1320
1321 #ifndef HAVE_DSPCODEH
1322 vfree(INITCODE);
1323 vfree(PERMCODE);
1324 #endif
1325
1326 return 0;
1327 }
1328
1329 #ifdef MSND_CLASSIC
1330 static void reset_proteus(void)
1331 {
1332 msnd_outb(HPPRORESET_ON, dev.io + HP_PROR);
1333 mdelay(TIME_PRO_RESET);
1334 msnd_outb(HPPRORESET_OFF, dev.io + HP_PROR);
1335 mdelay(TIME_PRO_RESET_DONE);
1336 }
1337 #endif
1338
1339 static int initialize(void)
1340 {
1341 int err, timeout;
1342
1343 #ifdef MSND_CLASSIC
1344 msnd_outb(HPWAITSTATE_0, dev.io + HP_WAIT);
1345 msnd_outb(HPBITMODE_16, dev.io + HP_BITM);
1346
1347 reset_proteus();
1348 #endif
1349 if ((err = init_sma()) < 0) {
1350 printk(KERN_WARNING LOGNAME ": Cannot initialize SMA\n");
1351 return err;
1352 }
1353
1354 if ((err = reset_dsp()) < 0)
1355 return err;
1356
1357 if ((err = upload_dsp_code()) < 0) {
1358 printk(KERN_WARNING LOGNAME ": Cannot upload DSP code\n");
1359 return err;
1360 }
1361
1362 timeout = 200;
1363 while (readw(dev.base)) {
1364 mdelay(1);
1365 if (!timeout--) {
1366 printk(KERN_DEBUG LOGNAME ": DSP reset timeout\n");
1367 return -EIO;
1368 }
1369 }
1370
1371 mixer_setup();
1372
1373 return 0;
1374 }
1375
1376 static int dsp_full_reset(void)
1377 {
1378 int rv;
1379
1380 if (test_bit(F_RESETTING, &dev.flags) || ++dev.nresets > 10)
1381 return 0;
1382
1383 set_bit(F_RESETTING, &dev.flags);
1384 printk(KERN_INFO LOGNAME ": DSP reset\n");
1385 dsp_halt(NULL); /* Unconditionally halt */
1386 if ((rv = initialize()))
1387 printk(KERN_WARNING LOGNAME ": DSP reset failed\n");
1388 force_recsrc(dev.recsrc);
1389 dsp_open(NULL);
1390 clear_bit(F_RESETTING, &dev.flags);
1391
1392 return rv;
1393 }
1394
1395 static int __init attach_multisound(void)
1396 {
1397 int err;
1398
1399 if ((err = request_irq(dev.irq, intr, 0, dev.name, &dev)) < 0) {
1400 printk(KERN_ERR LOGNAME ": Couldn't grab IRQ %d\n", dev.irq);
1401 return err;
1402 }
1403 if (request_region(dev.io, dev.numio, dev.name) == NULL) {
1404 free_irq(dev.irq, &dev);
1405 return -EBUSY;
1406 }
1407
1408 err = dsp_full_reset();
1409 if (err < 0) {
1410 release_region(dev.io, dev.numio);
1411 free_irq(dev.irq, &dev);
1412 return err;
1413 }
1414
1415 if ((err = msnd_register(&dev)) < 0) {
1416 printk(KERN_ERR LOGNAME ": Unable to register MultiSound\n");
1417 release_region(dev.io, dev.numio);
1418 free_irq(dev.irq, &dev);
1419 return err;
1420 }
1421
1422 if ((dev.dsp_minor = register_sound_dsp(&dev_fileops, -1)) < 0) {
1423 printk(KERN_ERR LOGNAME ": Unable to register DSP operations\n");
1424 msnd_unregister(&dev);
1425 release_region(dev.io, dev.numio);
1426 free_irq(dev.irq, &dev);
1427 return dev.dsp_minor;
1428 }
1429
1430 if ((dev.mixer_minor = register_sound_mixer(&dev_fileops, -1)) < 0) {
1431 printk(KERN_ERR LOGNAME ": Unable to register mixer operations\n");
1432 unregister_sound_mixer(dev.mixer_minor);
1433 msnd_unregister(&dev);
1434 release_region(dev.io, dev.numio);
1435 free_irq(dev.irq, &dev);
1436 return dev.mixer_minor;
1437 }
1438
1439 dev.ext_midi_dev = dev.hdr_midi_dev = -1;
1440
1441 disable_irq(dev.irq);
1442 calibrate_adc(dev.play_sample_rate);
1443 #ifndef MSND_CLASSIC
1444 force_recsrc(SOUND_MASK_IMIX);
1445 #endif
1446
1447 return 0;
1448 }
1449
1450 static void __exit unload_multisound(void)
1451 {
1452 release_region(dev.io, dev.numio);
1453 free_irq(dev.irq, &dev);
1454 unregister_sound_mixer(dev.mixer_minor);
1455 unregister_sound_dsp(dev.dsp_minor);
1456 msnd_unregister(&dev);
1457 }
1458
1459 #ifndef MSND_CLASSIC
1460
1461 /* Pinnacle/Fiji Logical Device Configuration */
1462
1463 static int __init msnd_write_cfg(int cfg, int reg, int value)
1464 {
1465 msnd_outb(reg, cfg);
1466 msnd_outb(value, cfg + 1);
1467 if (value != msnd_inb(cfg + 1)) {
1468 printk(KERN_ERR LOGNAME ": msnd_write_cfg: I/O error\n");
1469 return -EIO;
1470 }
1471 return 0;
1472 }
1473
1474 static int __init msnd_write_cfg_io0(int cfg, int num, WORD io)
1475 {
1476 if (msnd_write_cfg(cfg, IREG_LOGDEVICE, num))
1477 return -EIO;
1478 if (msnd_write_cfg(cfg, IREG_IO0_BASEHI, HIBYTE(io)))
1479 return -EIO;
1480 if (msnd_write_cfg(cfg, IREG_IO0_BASELO, LOBYTE(io)))
1481 return -EIO;
1482 return 0;
1483 }
1484
1485 static int __init msnd_write_cfg_io1(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_IO1_BASEHI, HIBYTE(io)))
1490 return -EIO;
1491 if (msnd_write_cfg(cfg, IREG_IO1_BASELO, LOBYTE(io)))
1492 return -EIO;
1493 return 0;
1494 }
1495
1496 static int __init msnd_write_cfg_irq(int cfg, int num, WORD irq)
1497 {
1498 if (msnd_write_cfg(cfg, IREG_LOGDEVICE, num))
1499 return -EIO;
1500 if (msnd_write_cfg(cfg, IREG_IRQ_NUMBER, LOBYTE(irq)))
1501 return -EIO;
1502 if (msnd_write_cfg(cfg, IREG_IRQ_TYPE, IRQTYPE_EDGE))
1503 return -EIO;
1504 return 0;
1505 }
1506
1507 static int __init msnd_write_cfg_mem(int cfg, int num, int mem)
1508 {
1509 WORD wmem;
1510
1511 mem >>= 8;
1512 mem &= 0xfff;
1513 wmem = (WORD)mem;
1514 if (msnd_write_cfg(cfg, IREG_LOGDEVICE, num))
1515 return -EIO;
1516 if (msnd_write_cfg(cfg, IREG_MEMBASEHI, HIBYTE(wmem)))
1517 return -EIO;
1518 if (msnd_write_cfg(cfg, IREG_MEMBASELO, LOBYTE(wmem)))
1519 return -EIO;
1520 if (wmem && msnd_write_cfg(cfg, IREG_MEMCONTROL, (MEMTYPE_HIADDR | MEMTYPE_16BIT)))
1521 return -EIO;
1522 return 0;
1523 }
1524
1525 static int __init msnd_activate_logical(int cfg, int num)
1526 {
1527 if (msnd_write_cfg(cfg, IREG_LOGDEVICE, num))
1528 return -EIO;
1529 if (msnd_write_cfg(cfg, IREG_ACTIVATE, LD_ACTIVATE))
1530 return -EIO;
1531 return 0;
1532 }
1533
1534 static int __init msnd_write_cfg_logical(int cfg, int num, WORD io0, WORD io1, WORD irq, int mem)
1535 {
1536 if (msnd_write_cfg(cfg, IREG_LOGDEVICE, num))
1537 return -EIO;
1538 if (msnd_write_cfg_io0(cfg, num, io0))
1539 return -EIO;
1540 if (msnd_write_cfg_io1(cfg, num, io1))
1541 return -EIO;
1542 if (msnd_write_cfg_irq(cfg, num, irq))
1543 return -EIO;
1544 if (msnd_write_cfg_mem(cfg, num, mem))
1545 return -EIO;
1546 if (msnd_activate_logical(cfg, num))
1547 return -EIO;
1548 return 0;
1549 }
1550
1551 typedef struct msnd_pinnacle_cfg_device {
1552 WORD io0, io1, irq;
1553 int mem;
1554 } msnd_pinnacle_cfg_t[4];
1555
1556 static int __init msnd_pinnacle_cfg_devices(int cfg, int reset, msnd_pinnacle_cfg_t device)
1557 {
1558 int i;
1559
1560 /* Reset devices if told to */
1561 if (reset) {
1562 printk(KERN_INFO LOGNAME ": Resetting all devices\n");
1563 for (i = 0; i < 4; ++i)
1564 if (msnd_write_cfg_logical(cfg, i, 0, 0, 0, 0))
1565 return -EIO;
1566 }
1567
1568 /* Configure specified devices */
1569 for (i = 0; i < 4; ++i) {
1570
1571 switch (i) {
1572 case 0: /* DSP */
1573 if (!(device[i].io0 && device[i].irq && device[i].mem))
1574 continue;
1575 break;
1576 case 1: /* MPU */
1577 if (!(device[i].io0 && device[i].irq))
1578 continue;
1579 printk(KERN_INFO LOGNAME
1580 ": Configuring MPU to I/O 0x%x IRQ %d\n",
1581 device[i].io0, device[i].irq);
1582 break;
1583 case 2: /* IDE */
1584 if (!(device[i].io0 && device[i].io1 && device[i].irq))
1585 continue;
1586 printk(KERN_INFO LOGNAME
1587 ": Configuring IDE to I/O 0x%x, 0x%x IRQ %d\n",
1588 device[i].io0, device[i].io1, device[i].irq);
1589 break;
1590 case 3: /* Joystick */
1591 if (!(device[i].io0))
1592 continue;
1593 printk(KERN_INFO LOGNAME
1594 ": Configuring joystick to I/O 0x%x\n",
1595 device[i].io0);
1596 break;
1597 }
1598
1599 /* Configure the device */
1600 if (msnd_write_cfg_logical(cfg, i, device[i].io0, device[i].io1, device[i].irq, device[i].mem))
1601 return -EIO;
1602 }
1603
1604 return 0;
1605 }
1606 #endif
1607
1608 #ifdef MODULE
1609 MODULE_AUTHOR ("Andrew Veliath <andrewtv@usa.net>");
1610 MODULE_DESCRIPTION ("Turtle Beach " LONGNAME " Linux Driver");
1611 MODULE_LICENSE("GPL");
1612
1613 static int io __initdata = -1;
1614 static int irq __initdata = -1;
1615 static int mem __initdata = -1;
1616 static int write_ndelay __initdata = -1;
1617
1618 #ifndef MSND_CLASSIC
1619 /* Pinnacle/Fiji non-PnP Config Port */
1620 static int cfg __initdata = -1;
1621
1622 /* Extra Peripheral Configuration */
1623 static int reset __initdata = 0;
1624 static int mpu_io __initdata = 0;
1625 static int mpu_irq __initdata = 0;
1626 static int ide_io0 __initdata = 0;
1627 static int ide_io1 __initdata = 0;
1628 static int ide_irq __initdata = 0;
1629 static int joystick_io __initdata = 0;
1630
1631 /* If we have the digital daugherboard... */
1632 static int digital __initdata = 0;
1633 #endif
1634
1635 static int fifosize __initdata = DEFFIFOSIZE;
1636 static int calibrate_signal __initdata = 0;
1637
1638 #else /* not a module */
1639
1640 static int write_ndelay __initdata = -1;
1641
1642 #ifdef MSND_CLASSIC
1643 static int io __initdata = CONFIG_MSNDCLAS_IO;
1644 static int irq __initdata = CONFIG_MSNDCLAS_IRQ;
1645 static int mem __initdata = CONFIG_MSNDCLAS_MEM;
1646 #else /* Pinnacle/Fiji */
1647
1648 static int io __initdata = CONFIG_MSNDPIN_IO;
1649 static int irq __initdata = CONFIG_MSNDPIN_IRQ;
1650 static int mem __initdata = CONFIG_MSNDPIN_MEM;
1651
1652 /* Pinnacle/Fiji non-PnP Config Port */
1653 #ifdef CONFIG_MSNDPIN_NONPNP
1654 # ifndef CONFIG_MSNDPIN_CFG
1655 # define CONFIG_MSNDPIN_CFG 0x250
1656 # endif
1657 #else
1658 # ifdef CONFIG_MSNDPIN_CFG
1659 # undef CONFIG_MSNDPIN_CFG
1660 # endif
1661 # define CONFIG_MSNDPIN_CFG -1
1662 #endif
1663 static int cfg __initdata = CONFIG_MSNDPIN_CFG;
1664 /* If not a module, we don't need to bother with reset=1 */
1665 static int reset;
1666
1667 /* Extra Peripheral Configuration (Default: Disable) */
1668 #ifndef CONFIG_MSNDPIN_MPU_IO
1669 # define CONFIG_MSNDPIN_MPU_IO 0
1670 #endif
1671 static int mpu_io __initdata = CONFIG_MSNDPIN_MPU_IO;
1672
1673 #ifndef CONFIG_MSNDPIN_MPU_IRQ
1674 # define CONFIG_MSNDPIN_MPU_IRQ 0
1675 #endif
1676 static int mpu_irq __initdata = CONFIG_MSNDPIN_MPU_IRQ;
1677
1678 #ifndef CONFIG_MSNDPIN_IDE_IO0
1679 # define CONFIG_MSNDPIN_IDE_IO0 0
1680 #endif
1681 static int ide_io0 __initdata = CONFIG_MSNDPIN_IDE_IO0;
1682
1683 #ifndef CONFIG_MSNDPIN_IDE_IO1
1684 # define CONFIG_MSNDPIN_IDE_IO1 0
1685 #endif
1686 static int ide_io1 __initdata = CONFIG_MSNDPIN_IDE_IO1;
1687
1688 #ifndef CONFIG_MSNDPIN_IDE_IRQ
1689 # define CONFIG_MSNDPIN_IDE_IRQ 0
1690 #endif
1691 static int ide_irq __initdata = CONFIG_MSNDPIN_IDE_IRQ;
1692
1693 #ifndef CONFIG_MSNDPIN_JOYSTICK_IO
1694 # define CONFIG_MSNDPIN_JOYSTICK_IO 0
1695 #endif
1696 static int joystick_io __initdata = CONFIG_MSNDPIN_JOYSTICK_IO;
1697
1698 /* Have SPDIF (Digital) Daughterboard */
1699 #ifndef CONFIG_MSNDPIN_DIGITAL
1700 # define CONFIG_MSNDPIN_DIGITAL 0
1701 #endif
1702 static int digital __initdata = CONFIG_MSNDPIN_DIGITAL;
1703
1704 #endif /* MSND_CLASSIC */
1705
1706 #ifndef CONFIG_MSND_FIFOSIZE
1707 # define CONFIG_MSND_FIFOSIZE DEFFIFOSIZE
1708 #endif
1709 static int fifosize __initdata = CONFIG_MSND_FIFOSIZE;
1710
1711 #ifndef CONFIG_MSND_CALSIGNAL
1712 # define CONFIG_MSND_CALSIGNAL 0
1713 #endif
1714 static int
1715 calibrate_signal __initdata = CONFIG_MSND_CALSIGNAL;
1716 #endif /* MODULE */
1717
1718 module_param (io, int, 0);
1719 module_param (irq, int, 0);
1720 module_param (mem, int, 0);
1721 module_param (write_ndelay, int, 0);
1722 module_param (fifosize, int, 0);
1723 module_param (calibrate_signal, int, 0);
1724 #ifndef MSND_CLASSIC
1725 module_param (digital, bool, 0);
1726 module_param (cfg, int, 0);
1727 module_param (reset, int, 0);
1728 module_param (mpu_io, int, 0);
1729 module_param (mpu_irq, int, 0);
1730 module_param (ide_io0, int, 0);
1731 module_param (ide_io1, int, 0);
1732 module_param (ide_irq, int, 0);
1733 module_param (joystick_io, int, 0);
1734 #endif
1735
1736 static int __init msnd_init(void)
1737 {
1738 int err;
1739 #ifndef MSND_CLASSIC
1740 static msnd_pinnacle_cfg_t pinnacle_devs;
1741 #endif /* MSND_CLASSIC */
1742
1743 printk(KERN_INFO LOGNAME ": Turtle Beach " LONGNAME " Linux Driver Version "
1744 VERSION ", Copyright (C) 1998 Andrew Veliath\n");
1745
1746 if (io == -1 || irq == -1 || mem == -1)
1747 printk(KERN_WARNING LOGNAME ": io, irq and mem must be set\n");
1748
1749 #ifdef MSND_CLASSIC
1750 if (io == -1 ||
1751 !(io == 0x290 ||
1752 io == 0x260 ||
1753 io == 0x250 ||
1754 io == 0x240 ||
1755 io == 0x230 ||
1756 io == 0x220 ||
1757 io == 0x210 ||
1758 io == 0x3e0)) {
1759 printk(KERN_ERR LOGNAME ": \"io\" - DSP I/O base must be set to 0x210, 0x220, 0x230, 0x240, 0x250, 0x260, 0x290, or 0x3E0\n");
1760 return -EINVAL;
1761 }
1762 #else
1763 if (io == -1 ||
1764 io < 0x100 ||
1765 io > 0x3e0 ||
1766 (io % 0x10) != 0) {
1767 printk(KERN_ERR LOGNAME ": \"io\" - DSP I/O base must within the range 0x100 to 0x3E0 and must be evenly divisible by 0x10\n");
1768 return -EINVAL;
1769 }
1770 #endif /* MSND_CLASSIC */
1771
1772 if (irq == -1 ||
1773 !(irq == 5 ||
1774 irq == 7 ||
1775 irq == 9 ||
1776 irq == 10 ||
1777 irq == 11 ||
1778 irq == 12)) {
1779 printk(KERN_ERR LOGNAME ": \"irq\" - must be set to 5, 7, 9, 10, 11 or 12\n");
1780 return -EINVAL;
1781 }
1782
1783 if (mem == -1 ||
1784 !(mem == 0xb0000 ||
1785 mem == 0xc8000 ||
1786 mem == 0xd0000 ||
1787 mem == 0xd8000 ||
1788 mem == 0xe0000 ||
1789 mem == 0xe8000)) {
1790 printk(KERN_ERR LOGNAME ": \"mem\" - must be set to "
1791 "0xb0000, 0xc8000, 0xd0000, 0xd8000, 0xe0000 or 0xe8000\n");
1792 return -EINVAL;
1793 }
1794
1795 #ifdef MSND_CLASSIC
1796 switch (irq) {
1797 case 5: dev.irqid = HPIRQ_5; break;
1798 case 7: dev.irqid = HPIRQ_7; break;
1799 case 9: dev.irqid = HPIRQ_9; break;
1800 case 10: dev.irqid = HPIRQ_10; break;
1801 case 11: dev.irqid = HPIRQ_11; break;
1802 case 12: dev.irqid = HPIRQ_12; break;
1803 }
1804
1805 switch (mem) {
1806 case 0xb0000: dev.memid = HPMEM_B000; break;
1807 case 0xc8000: dev.memid = HPMEM_C800; break;
1808 case 0xd0000: dev.memid = HPMEM_D000; break;
1809 case 0xd8000: dev.memid = HPMEM_D800; break;
1810 case 0xe0000: dev.memid = HPMEM_E000; break;
1811 case 0xe8000: dev.memid = HPMEM_E800; break;
1812 }
1813 #else
1814 if (cfg == -1) {
1815 printk(KERN_INFO LOGNAME ": Assuming PnP mode\n");
1816 } else if (cfg != 0x250 && cfg != 0x260 && cfg != 0x270) {
1817 printk(KERN_INFO LOGNAME ": Config port must be 0x250, 0x260 or 0x270 (or unspecified for PnP mode)\n");
1818 return -EINVAL;
1819 } else {
1820 printk(KERN_INFO LOGNAME ": Non-PnP mode: configuring at port 0x%x\n", cfg);
1821
1822 /* DSP */
1823 pinnacle_devs[0].io0 = io;
1824 pinnacle_devs[0].irq = irq;
1825 pinnacle_devs[0].mem = mem;
1826
1827 /* The following are Pinnacle specific */
1828
1829 /* MPU */
1830 pinnacle_devs[1].io0 = mpu_io;
1831 pinnacle_devs[1].irq = mpu_irq;
1832
1833 /* IDE */
1834 pinnacle_devs[2].io0 = ide_io0;
1835 pinnacle_devs[2].io1 = ide_io1;
1836 pinnacle_devs[2].irq = ide_irq;
1837
1838 /* Joystick */
1839 pinnacle_devs[3].io0 = joystick_io;
1840
1841 if (!request_region(cfg, 2, "Pinnacle/Fiji Config")) {
1842 printk(KERN_ERR LOGNAME ": Config port 0x%x conflict\n", cfg);
1843 return -EIO;
1844 }
1845
1846 if (msnd_pinnacle_cfg_devices(cfg, reset, pinnacle_devs)) {
1847 printk(KERN_ERR LOGNAME ": Device configuration error\n");
1848 release_region(cfg, 2);
1849 return -EIO;
1850 }
1851 release_region(cfg, 2);
1852 }
1853 #endif /* MSND_CLASSIC */
1854
1855 if (fifosize < 16)
1856 fifosize = 16;
1857
1858 if (fifosize > 1024)
1859 fifosize = 1024;
1860
1861 set_default_audio_parameters();
1862 #ifdef MSND_CLASSIC
1863 dev.type = msndClassic;
1864 #else
1865 dev.type = msndPinnacle;
1866 #endif
1867 dev.io = io;
1868 dev.numio = DSP_NUMIO;
1869 dev.irq = irq;
1870 dev.base = ioremap(mem, 0x8000);
1871 dev.fifosize = fifosize * 1024;
1872 dev.calibrate_signal = calibrate_signal ? 1 : 0;
1873 dev.recsrc = 0;
1874 dev.dspq_data_buff = DSPQ_DATA_BUFF;
1875 dev.dspq_buff_size = DSPQ_BUFF_SIZE;
1876 if (write_ndelay == -1)
1877 write_ndelay = CONFIG_MSND_WRITE_NDELAY;
1878 if (write_ndelay)
1879 clear_bit(F_DISABLE_WRITE_NDELAY, &dev.flags);
1880 else
1881 set_bit(F_DISABLE_WRITE_NDELAY, &dev.flags);
1882 #ifndef MSND_CLASSIC
1883 if (digital)
1884 set_bit(F_HAVEDIGITAL, &dev.flags);
1885 #endif
1886 init_waitqueue_head(&dev.writeblock);
1887 init_waitqueue_head(&dev.readblock);
1888 init_waitqueue_head(&dev.writeflush);
1889 msnd_fifo_init(&dev.DAPF);
1890 msnd_fifo_init(&dev.DARF);
1891 spin_lock_init(&dev.lock);
1892 printk(KERN_INFO LOGNAME ": %u byte audio FIFOs (x2)\n", dev.fifosize);
1893 if ((err = msnd_fifo_alloc(&dev.DAPF, dev.fifosize)) < 0) {
1894 printk(KERN_ERR LOGNAME ": Couldn't allocate write FIFO\n");
1895 return err;
1896 }
1897
1898 if ((err = msnd_fifo_alloc(&dev.DARF, dev.fifosize)) < 0) {
1899 printk(KERN_ERR LOGNAME ": Couldn't allocate read FIFO\n");
1900 msnd_fifo_free(&dev.DAPF);
1901 return err;
1902 }
1903
1904 if ((err = probe_multisound()) < 0) {
1905 printk(KERN_ERR LOGNAME ": Probe failed\n");
1906 msnd_fifo_free(&dev.DAPF);
1907 msnd_fifo_free(&dev.DARF);
1908 return err;
1909 }
1910
1911 if ((err = attach_multisound()) < 0) {
1912 printk(KERN_ERR LOGNAME ": Attach failed\n");
1913 msnd_fifo_free(&dev.DAPF);
1914 msnd_fifo_free(&dev.DARF);
1915 return err;
1916 }
1917
1918 return 0;
1919 }
1920
1921 static void __exit msdn_cleanup(void)
1922 {
1923 unload_multisound();
1924 msnd_fifo_free(&dev.DAPF);
1925 msnd_fifo_free(&dev.DARF);
1926 }
1927
1928 module_init(msnd_init);
1929 module_exit(msdn_cleanup);
Linux kernel - Deliverables
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