1 /*********************************************************************
2  *
3  * Turtle Beach MultiSound Sound Card Driver for Linux
4  * Linux 2.0/2.2 Version
5  *
6  * msnd_pinnacle.c / msnd_classic.c
7  *
8  * -- If MSND_CLASSIC is defined:
9  *
10  *     -> driver for Turtle Beach Classic/Monterey/Tahiti
11  *
12  * -- Else
13  *
14  *     -> driver for Turtle Beach Pinnacle/Fiji
15  *
16  * Copyright (C) 1998 Andrew Veliath
17  *
18  * This program is free software; you can redistribute it and/or modify
19  * it under the terms of the GNU General Public License as published by
20  * the Free Software Foundation; either version 2 of the License, or
21  * (at your option) any later version.
22  *
23  * This program is distributed in the hope that it will be useful,
24  * but WITHOUT ANY WARRANTY; without even the implied warranty of
25  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
26  * GNU General Public License for more details.
27  *
28  * You should have received a copy of the GNU General Public License
29  * along with this program; if not, write to the Free Software
30  * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
31  *
32  * $Id: msnd_pinnacle.c,v 1.8 2000/12/30 00:33:21 sycamore Exp $
33  *
34  * 12-3-2000  Modified IO port validation  Steve Sycamore
35  *
36  *
37  * $$$: msnd_pinnacle.c,v 1.75 1999/03/21 16:50:09 andrewtv $$$ $
38  *
39  ********************************************************************/
40 
41 #include <linux/kernel.h>
42 #include <linux/config.h>
43 #include <linux/version.h>
44 #include <linux/module.h>
45 #include <linux/slab.h>
46 #include <linux/types.h>
47 #include <linux/delay.h>
48 #include <linux/init.h>
49 #include <linux/smp_lock.h>
50 #include <asm/irq.h>
51 #include <asm/io.h>
52 #include "sound_config.h"
53 #include "sound_firmware.h"
54 #ifdef MSND_CLASSIC
55 # ifndef __alpha__
56 #  define SLOWIO
57 # endif
58 #endif
59 #include "msnd.h"
60 #ifdef MSND_CLASSIC
61 #  ifdef CONFIG_MSNDCLAS_HAVE_BOOT
62 #    define HAVE_DSPCODEH
63 #  endif
64 #  include "msnd_classic.h"
65 #  define LOGNAME			"msnd_classic"
66 #else
67 #  ifdef CONFIG_MSNDPIN_HAVE_BOOT
68 #    define HAVE_DSPCODEH
69 #  endif
70 #  include "msnd_pinnacle.h"
71 #  define LOGNAME			"msnd_pinnacle"
72 #endif
73 
74 #ifndef CONFIG_MSND_WRITE_NDELAY
75 #  define CONFIG_MSND_WRITE_NDELAY	1
76 #endif
77 
78 #define get_play_delay_jiffies(size)	((size) * HZ *			\
79 					 dev.play_sample_size / 8 /	\
80 					 dev.play_sample_rate /		\
81 					 dev.play_channels)
82 
83 #define get_rec_delay_jiffies(size)	((size) * HZ *			\
84 					 dev.rec_sample_size / 8 /	\
85 					 dev.rec_sample_rate /		\
86 					 dev.rec_channels)
87 
88 static multisound_dev_t			dev;
89 
90 #ifndef HAVE_DSPCODEH
91 static char				*dspini, *permini;
92 static int				sizeof_dspini, sizeof_permini;
93 #endif
94 
95 static int				dsp_full_reset(void);
96 static void				dsp_write_flush(void);
97 
chk_send_dsp_cmd(multisound_dev_t * dev,register BYTE cmd)98 static __inline__ int chk_send_dsp_cmd(multisound_dev_t *dev, register BYTE cmd)
99 {
100 	if (msnd_send_dsp_cmd(dev, cmd) == 0)
101 		return 0;
102 	dsp_full_reset();
103 	return msnd_send_dsp_cmd(dev, cmd);
104 }
105 
reset_play_queue(void)106 static void reset_play_queue(void)
107 {
108 	int n;
109 	LPDAQD lpDAQ;
110 
111 	dev.last_playbank = -1;
112 	isa_writew(PCTODSP_OFFSET(0 * DAQDS__size), dev.DAPQ + JQS_wHead);
113 	isa_writew(PCTODSP_OFFSET(0 * DAQDS__size), dev.DAPQ + JQS_wTail);
114 
115 	for (n = 0, lpDAQ = dev.base + DAPQ_DATA_BUFF; n < 3; ++n, lpDAQ += DAQDS__size) {
116 		isa_writew(PCTODSP_BASED((DWORD)(DAP_BUFF_SIZE * n)), lpDAQ + DAQDS_wStart);
117 		isa_writew(0, lpDAQ + DAQDS_wSize);
118 		isa_writew(1, lpDAQ + DAQDS_wFormat);
119 		isa_writew(dev.play_sample_size, lpDAQ + DAQDS_wSampleSize);
120 		isa_writew(dev.play_channels, lpDAQ + DAQDS_wChannels);
121 		isa_writew(dev.play_sample_rate, lpDAQ + DAQDS_wSampleRate);
122 		isa_writew(HIMT_PLAY_DONE * 0x100 + n, lpDAQ + DAQDS_wIntMsg);
123 		isa_writew(n, lpDAQ + DAQDS_wFlags);
124 	}
125 }
126 
reset_record_queue(void)127 static void reset_record_queue(void)
128 {
129 	int n;
130 	LPDAQD lpDAQ;
131 	unsigned long flags;
132 
133 	dev.last_recbank = 2;
134 	isa_writew(PCTODSP_OFFSET(0 * DAQDS__size), dev.DARQ + JQS_wHead);
135 	isa_writew(PCTODSP_OFFSET(dev.last_recbank * DAQDS__size), dev.DARQ + JQS_wTail);
136 
137 	/* Critical section: bank 1 access */
138 	spin_lock_irqsave(&dev.lock, flags);
139 	outb(HPBLKSEL_1, dev.io + HP_BLKS);
140 	isa_memset_io(dev.base, 0, DAR_BUFF_SIZE * 3);
141 	outb(HPBLKSEL_0, dev.io + HP_BLKS);
142 	spin_unlock_irqrestore(&dev.lock, flags);
143 
144 	for (n = 0, lpDAQ = dev.base + DARQ_DATA_BUFF; n < 3; ++n, lpDAQ += DAQDS__size) {
145 		isa_writew(PCTODSP_BASED((DWORD)(DAR_BUFF_SIZE * n)) + 0x4000, lpDAQ + DAQDS_wStart);
146 		isa_writew(DAR_BUFF_SIZE, lpDAQ + DAQDS_wSize);
147 		isa_writew(1, lpDAQ + DAQDS_wFormat);
148 		isa_writew(dev.rec_sample_size, lpDAQ + DAQDS_wSampleSize);
149 		isa_writew(dev.rec_channels, lpDAQ + DAQDS_wChannels);
150 		isa_writew(dev.rec_sample_rate, lpDAQ + DAQDS_wSampleRate);
151 		isa_writew(HIMT_RECORD_DONE * 0x100 + n, lpDAQ + DAQDS_wIntMsg);
152 		isa_writew(n, lpDAQ + DAQDS_wFlags);
153 	}
154 }
155 
reset_queues(void)156 static void reset_queues(void)
157 {
158 	if (dev.mode & FMODE_WRITE) {
159 		msnd_fifo_make_empty(&dev.DAPF);
160 		reset_play_queue();
161 	}
162 	if (dev.mode & FMODE_READ) {
163 		msnd_fifo_make_empty(&dev.DARF);
164 		reset_record_queue();
165 	}
166 }
167 
dsp_set_format(struct file * file,int val)168 static int dsp_set_format(struct file *file, int val)
169 {
170 	int data, i;
171 	LPDAQD lpDAQ, lpDARQ;
172 
173 	lpDAQ = dev.base + DAPQ_DATA_BUFF;
174 	lpDARQ = dev.base + DARQ_DATA_BUFF;
175 
176 	switch (val) {
177 	case AFMT_U8:
178 	case AFMT_S16_LE:
179 		data = val;
180 		break;
181 	default:
182 		data = DEFSAMPLESIZE;
183 		break;
184 	}
185 
186 	for (i = 0; i < 3; ++i, lpDAQ += DAQDS__size, lpDARQ += DAQDS__size) {
187 		if (file->f_mode & FMODE_WRITE)
188 			isa_writew(data, lpDAQ + DAQDS_wSampleSize);
189 		if (file->f_mode & FMODE_READ)
190 			isa_writew(data, lpDARQ + DAQDS_wSampleSize);
191 	}
192 	if (file->f_mode & FMODE_WRITE)
193 		dev.play_sample_size = data;
194 	if (file->f_mode & FMODE_READ)
195 		dev.rec_sample_size = data;
196 
197 	return data;
198 }
199 
dsp_get_frag_size(void)200 static int dsp_get_frag_size(void)
201 {
202 	int size;
203 	size = dev.fifosize / 4;
204 	if (size > 32 * 1024)
205 		size = 32 * 1024;
206 	return size;
207 }
208 
dsp_ioctl(struct file * file,unsigned int cmd,unsigned long arg)209 static int dsp_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
210 {
211 	int val, i, data, tmp;
212 	LPDAQD lpDAQ, lpDARQ;
213         audio_buf_info abinfo;
214 	unsigned long flags;
215 
216 	lpDAQ = dev.base + DAPQ_DATA_BUFF;
217 	lpDARQ = dev.base + DARQ_DATA_BUFF;
218 
219 	switch (cmd) {
220 	case SNDCTL_DSP_SUBDIVIDE:
221 	case SNDCTL_DSP_SETFRAGMENT:
222 	case SNDCTL_DSP_SETDUPLEX:
223 	case SNDCTL_DSP_POST:
224 		return 0;
225 
226 	case SNDCTL_DSP_GETIPTR:
227 	case SNDCTL_DSP_GETOPTR:
228 	case SNDCTL_DSP_MAPINBUF:
229 	case SNDCTL_DSP_MAPOUTBUF:
230 		return -EINVAL;
231 
232 	case SNDCTL_DSP_GETOSPACE:
233 		if (!(file->f_mode & FMODE_WRITE))
234 			return -EINVAL;
235 		spin_lock_irqsave(&dev.lock, flags);
236 		abinfo.fragsize = dsp_get_frag_size();
237                 abinfo.bytes = dev.DAPF.n - dev.DAPF.len;
238                 abinfo.fragstotal = dev.DAPF.n / abinfo.fragsize;
239                 abinfo.fragments = abinfo.bytes / abinfo.fragsize;
240 		spin_unlock_irqrestore(&dev.lock, flags);
241 		return copy_to_user((void *)arg, &abinfo, sizeof(abinfo)) ? -EFAULT : 0;
242 
243 	case SNDCTL_DSP_GETISPACE:
244 		if (!(file->f_mode & FMODE_READ))
245 			return -EINVAL;
246 		spin_lock_irqsave(&dev.lock, flags);
247 		abinfo.fragsize = dsp_get_frag_size();
248                 abinfo.bytes = dev.DARF.n - dev.DARF.len;
249                 abinfo.fragstotal = dev.DARF.n / abinfo.fragsize;
250                 abinfo.fragments = abinfo.bytes / abinfo.fragsize;
251 		spin_unlock_irqrestore(&dev.lock, flags);
252 		return copy_to_user((void *)arg, &abinfo, sizeof(abinfo)) ? -EFAULT : 0;
253 
254 	case SNDCTL_DSP_RESET:
255 		dev.nresets = 0;
256 		reset_queues();
257 		return 0;
258 
259 	case SNDCTL_DSP_SYNC:
260 		dsp_write_flush();
261 		return 0;
262 
263 	case SNDCTL_DSP_GETBLKSIZE:
264 		tmp = dsp_get_frag_size();
265 		if (put_user(tmp, (int *)arg))
266                         return -EFAULT;
267 		return 0;
268 
269 	case SNDCTL_DSP_GETFMTS:
270 		val = AFMT_S16_LE | AFMT_U8;
271 		if (put_user(val, (int *)arg))
272 			return -EFAULT;
273 		return 0;
274 
275 	case SNDCTL_DSP_SETFMT:
276 		if (get_user(val, (int *)arg))
277 			return -EFAULT;
278 
279 		if (file->f_mode & FMODE_WRITE)
280 			data = val == AFMT_QUERY
281 				? dev.play_sample_size
282 				: dsp_set_format(file, val);
283 		else
284 			data = val == AFMT_QUERY
285 				? dev.rec_sample_size
286 				: dsp_set_format(file, val);
287 
288 		if (put_user(data, (int *)arg))
289 			return -EFAULT;
290 		return 0;
291 
292 	case SNDCTL_DSP_NONBLOCK:
293 		if (!test_bit(F_DISABLE_WRITE_NDELAY, &dev.flags) &&
294 		    file->f_mode & FMODE_WRITE)
295 			dev.play_ndelay = 1;
296 		if (file->f_mode & FMODE_READ)
297 			dev.rec_ndelay = 1;
298 		return 0;
299 
300 	case SNDCTL_DSP_GETCAPS:
301 		val = DSP_CAP_DUPLEX | DSP_CAP_BATCH;
302 		if (put_user(val, (int *)arg))
303 			return -EFAULT;
304 		return 0;
305 
306 	case SNDCTL_DSP_SPEED:
307 		if (get_user(val, (int *)arg))
308 			return -EFAULT;
309 
310 		if (val < 8000)
311 			val = 8000;
312 
313 		if (val > 48000)
314 			val = 48000;
315 
316 		data = val;
317 
318 		for (i = 0; i < 3; ++i, lpDAQ += DAQDS__size, lpDARQ += DAQDS__size) {
319 			if (file->f_mode & FMODE_WRITE)
320 				isa_writew(data, lpDAQ + DAQDS_wSampleRate);
321 			if (file->f_mode & FMODE_READ)
322 				isa_writew(data, lpDARQ + DAQDS_wSampleRate);
323 		}
324 		if (file->f_mode & FMODE_WRITE)
325 			dev.play_sample_rate = data;
326 		if (file->f_mode & FMODE_READ)
327 			dev.rec_sample_rate = data;
328 
329 		if (put_user(data, (int *)arg))
330 			return -EFAULT;
331 		return 0;
332 
333 	case SNDCTL_DSP_CHANNELS:
334 	case SNDCTL_DSP_STEREO:
335 		if (get_user(val, (int *)arg))
336 			return -EFAULT;
337 
338 		if (cmd == SNDCTL_DSP_CHANNELS) {
339 			switch (val) {
340 			case 1:
341 			case 2:
342 				data = val;
343 				break;
344 			default:
345 				val = data = 2;
346 				break;
347 			}
348 		} else {
349 			switch (val) {
350 			case 0:
351 				data = 1;
352 				break;
353 			default:
354 				val = 1;
355 			case 1:
356 				data = 2;
357 				break;
358 			}
359 		}
360 
361 		for (i = 0; i < 3; ++i, lpDAQ += DAQDS__size, lpDARQ += DAQDS__size) {
362 			if (file->f_mode & FMODE_WRITE)
363 				isa_writew(data, lpDAQ + DAQDS_wChannels);
364 			if (file->f_mode & FMODE_READ)
365 				isa_writew(data, lpDARQ + DAQDS_wChannels);
366 		}
367 		if (file->f_mode & FMODE_WRITE)
368 			dev.play_channels = data;
369 		if (file->f_mode & FMODE_READ)
370 			dev.rec_channels = data;
371 
372 		if (put_user(val, (int *)arg))
373 			return -EFAULT;
374 		return 0;
375 	}
376 
377 	return -EINVAL;
378 }
379 
mixer_get(int d)380 static int mixer_get(int d)
381 {
382 	if (d > 31)
383 		return -EINVAL;
384 
385 	switch (d) {
386 	case SOUND_MIXER_VOLUME:
387 	case SOUND_MIXER_PCM:
388 	case SOUND_MIXER_LINE:
389 	case SOUND_MIXER_IMIX:
390 	case SOUND_MIXER_LINE1:
391 #ifndef MSND_CLASSIC
392 	case SOUND_MIXER_MIC:
393 	case SOUND_MIXER_SYNTH:
394 #endif
395 		return (dev.left_levels[d] >> 8) * 100 / 0xff |
396 			(((dev.right_levels[d] >> 8) * 100 / 0xff) << 8);
397 	default:
398 		return 0;
399 	}
400 }
401 
402 #define update_volm(a,b)						\
403 	isa_writew((dev.left_levels[a] >> 1) *				\
404 	       isa_readw(dev.SMA + SMA_wCurrMastVolLeft) / 0xffff,	\
405 	       dev.SMA + SMA_##b##Left);				\
406 	isa_writew((dev.right_levels[a] >> 1)  *			\
407 	       isa_readw(dev.SMA + SMA_wCurrMastVolRight) / 0xffff,	\
408 	       dev.SMA + SMA_##b##Right);
409 
410 #define update_potm(d,s,ar)						\
411 	isa_writeb((dev.left_levels[d] >> 8) *				\
412 	       isa_readw(dev.SMA + SMA_wCurrMastVolLeft) / 0xffff,	\
413 	       dev.SMA + SMA_##s##Left);				\
414 	isa_writeb((dev.right_levels[d] >> 8) *				\
415 	       isa_readw(dev.SMA + SMA_wCurrMastVolRight) / 0xffff,	\
416 	       dev.SMA + SMA_##s##Right);				\
417 	if (msnd_send_word(&dev, 0, 0, ar) == 0)			\
418 		chk_send_dsp_cmd(&dev, HDEX_AUX_REQ);
419 
420 #define update_pot(d,s,ar)				\
421 	isa_writeb(dev.left_levels[d] >> 8,		\
422 	       dev.SMA + SMA_##s##Left);		\
423 	isa_writeb(dev.right_levels[d] >> 8,		\
424 	       dev.SMA + SMA_##s##Right);		\
425 	if (msnd_send_word(&dev, 0, 0, ar) == 0)	\
426 		chk_send_dsp_cmd(&dev, HDEX_AUX_REQ);
427 
mixer_set(int d,int value)428 static int mixer_set(int d, int value)
429 {
430 	int left = value & 0x000000ff;
431 	int right = (value & 0x0000ff00) >> 8;
432 	int bLeft, bRight;
433 	int wLeft, wRight;
434 	int updatemaster = 0;
435 
436 	if (d > 31)
437 		return -EINVAL;
438 
439 	bLeft = left * 0xff / 100;
440 	wLeft = left * 0xffff / 100;
441 
442 	bRight = right * 0xff / 100;
443 	wRight = right * 0xffff / 100;
444 
445 	dev.left_levels[d] = wLeft;
446 	dev.right_levels[d] = wRight;
447 
448 	switch (d) {
449 		/* master volume unscaled controls */
450 	case SOUND_MIXER_LINE:			/* line pot control */
451 		/* scaled by IMIX in digital mix */
452 		isa_writeb(bLeft, dev.SMA + SMA_bInPotPosLeft);
453 		isa_writeb(bRight, dev.SMA + SMA_bInPotPosRight);
454 		if (msnd_send_word(&dev, 0, 0, HDEXAR_IN_SET_POTS) == 0)
455 			chk_send_dsp_cmd(&dev, HDEX_AUX_REQ);
456 		break;
457 #ifndef MSND_CLASSIC
458 	case SOUND_MIXER_MIC:			/* mic pot control */
459 		/* scaled by IMIX in digital mix */
460 		isa_writeb(bLeft, dev.SMA + SMA_bMicPotPosLeft);
461 		isa_writeb(bRight, dev.SMA + SMA_bMicPotPosRight);
462 		if (msnd_send_word(&dev, 0, 0, HDEXAR_MIC_SET_POTS) == 0)
463 			chk_send_dsp_cmd(&dev, HDEX_AUX_REQ);
464 		break;
465 #endif
466 	case SOUND_MIXER_VOLUME:		/* master volume */
467 		isa_writew(wLeft, dev.SMA + SMA_wCurrMastVolLeft);
468 		isa_writew(wRight, dev.SMA + SMA_wCurrMastVolRight);
469 		/* fall through */
470 
471 	case SOUND_MIXER_LINE1:			/* aux pot control */
472 		/* scaled by master volume */
473 		/* fall through */
474 
475 		/* digital controls */
476 	case SOUND_MIXER_SYNTH:			/* synth vol (dsp mix) */
477 	case SOUND_MIXER_PCM:			/* pcm vol (dsp mix) */
478 	case SOUND_MIXER_IMIX:			/* input monitor (dsp mix) */
479 		/* scaled by master volume */
480 		updatemaster = 1;
481 		break;
482 
483 	default:
484 		return 0;
485 	}
486 
487 	if (updatemaster) {
488 		/* update master volume scaled controls */
489 		update_volm(SOUND_MIXER_PCM, wCurrPlayVol);
490 		update_volm(SOUND_MIXER_IMIX, wCurrInVol);
491 #ifndef MSND_CLASSIC
492 		update_volm(SOUND_MIXER_SYNTH, wCurrMHdrVol);
493 #endif
494 		update_potm(SOUND_MIXER_LINE1, bAuxPotPos, HDEXAR_AUX_SET_POTS);
495 	}
496 
497 	return mixer_get(d);
498 }
499 
mixer_setup(void)500 static void mixer_setup(void)
501 {
502 	update_pot(SOUND_MIXER_LINE, bInPotPos, HDEXAR_IN_SET_POTS);
503 	update_potm(SOUND_MIXER_LINE1, bAuxPotPos, HDEXAR_AUX_SET_POTS);
504 	update_volm(SOUND_MIXER_PCM, wCurrPlayVol);
505 	update_volm(SOUND_MIXER_IMIX, wCurrInVol);
506 #ifndef MSND_CLASSIC
507 	update_pot(SOUND_MIXER_MIC, bMicPotPos, HDEXAR_MIC_SET_POTS);
508 	update_volm(SOUND_MIXER_SYNTH, wCurrMHdrVol);
509 #endif
510 }
511 
set_recsrc(unsigned long recsrc)512 static unsigned long set_recsrc(unsigned long recsrc)
513 {
514 	if (dev.recsrc == recsrc)
515 		return dev.recsrc;
516 #ifdef HAVE_NORECSRC
517 	else if (recsrc == 0)
518 		dev.recsrc = 0;
519 #endif
520 	else
521 		dev.recsrc ^= recsrc;
522 
523 #ifndef MSND_CLASSIC
524 	if (dev.recsrc & SOUND_MASK_IMIX) {
525 		if (msnd_send_word(&dev, 0, 0, HDEXAR_SET_ANA_IN) == 0)
526 			chk_send_dsp_cmd(&dev, HDEX_AUX_REQ);
527 	}
528 	else if (dev.recsrc & SOUND_MASK_SYNTH) {
529 		if (msnd_send_word(&dev, 0, 0, HDEXAR_SET_SYNTH_IN) == 0)
530 			chk_send_dsp_cmd(&dev, HDEX_AUX_REQ);
531 	}
532 	else if ((dev.recsrc & SOUND_MASK_DIGITAL1) && test_bit(F_HAVEDIGITAL, &dev.flags)) {
533 		if (msnd_send_word(&dev, 0, 0, HDEXAR_SET_DAT_IN) == 0)
534       			chk_send_dsp_cmd(&dev, HDEX_AUX_REQ);
535 	}
536 	else {
537 #ifdef HAVE_NORECSRC
538 		/* Select no input (?) */
539 		dev.recsrc = 0;
540 #else
541 		dev.recsrc = SOUND_MASK_IMIX;
542 		if (msnd_send_word(&dev, 0, 0, HDEXAR_SET_ANA_IN) == 0)
543 			chk_send_dsp_cmd(&dev, HDEX_AUX_REQ);
544 #endif
545 	}
546 #endif /* MSND_CLASSIC */
547 
548 	return dev.recsrc;
549 }
550 
force_recsrc(unsigned long recsrc)551 static unsigned long force_recsrc(unsigned long recsrc)
552 {
553 	dev.recsrc = 0;
554 	return set_recsrc(recsrc);
555 }
556 
557 #define set_mixer_info()							\
558 		strncpy(info.id, "MSNDMIXER", sizeof(info.id));			\
559 		strncpy(info.name, "MultiSound Mixer", sizeof(info.name));
560 
mixer_ioctl(unsigned int cmd,unsigned long arg)561 static int mixer_ioctl(unsigned int cmd, unsigned long arg)
562 {
563 	if (cmd == SOUND_MIXER_INFO) {
564 		mixer_info info;
565 		set_mixer_info();
566 		info.modify_counter = dev.mixer_mod_count;
567 		return copy_to_user((void *)arg, &info, sizeof(info))?-EFAULT:0;
568 	} else if (cmd == SOUND_OLD_MIXER_INFO) {
569 		_old_mixer_info info;
570 		set_mixer_info();
571 		return copy_to_user((void *)arg, &info, sizeof(info))?-EFAULT: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 *)arg))
583 					return -EFAULT;
584 				val = set_recsrc(val);
585 				break;
586 
587 			default:
588 				if (get_user(val, (int *)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 *)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 *)arg);
637 	}
638 
639 	return -EINVAL;
640 }
641 
dev_ioctl(struct inode * inode,struct file * file,unsigned int cmd,unsigned long arg)642 static int dev_ioctl(struct inode *inode, struct file *file, unsigned int cmd, unsigned long arg)
643 {
644 	int minor = MINOR(inode->i_rdev);
645 
646 	if (cmd == OSS_GETVERSION) {
647 		int sound_version = SOUND_VERSION;
648 		return put_user(sound_version, (int *)arg);
649 	}
650 
651 	if (minor == dev.dsp_minor)
652 		return dsp_ioctl(file, cmd, arg);
653 	else if (minor == dev.mixer_minor)
654 		return mixer_ioctl(cmd, arg);
655 
656 	return -EINVAL;
657 }
658 
dsp_write_flush(void)659 static void dsp_write_flush(void)
660 {
661 	if (!(dev.mode & FMODE_WRITE) || !test_bit(F_WRITING, &dev.flags))
662 		return;
663 	set_bit(F_WRITEFLUSH, &dev.flags);
664 	interruptible_sleep_on_timeout(
665 		&dev.writeflush,
666 		get_play_delay_jiffies(dev.DAPF.len));
667 	clear_bit(F_WRITEFLUSH, &dev.flags);
668 	if (!signal_pending(current)) {
669 		current->state = TASK_INTERRUPTIBLE;
670 		schedule_timeout(get_play_delay_jiffies(DAP_BUFF_SIZE));
671 	}
672 	clear_bit(F_WRITING, &dev.flags);
673 }
674 
dsp_halt(struct file * file)675 static void dsp_halt(struct file *file)
676 {
677 	if ((file ? file->f_mode : dev.mode) & FMODE_READ) {
678 		clear_bit(F_READING, &dev.flags);
679 		chk_send_dsp_cmd(&dev, HDEX_RECORD_STOP);
680 		msnd_disable_irq(&dev);
681 		if (file) {
682 			printk(KERN_DEBUG LOGNAME ": Stopping read for %p\n", file);
683 			dev.mode &= ~FMODE_READ;
684 		}
685 		clear_bit(F_AUDIO_READ_INUSE, &dev.flags);
686 	}
687 	if ((file ? file->f_mode : dev.mode) & FMODE_WRITE) {
688 		if (test_bit(F_WRITING, &dev.flags)) {
689 			dsp_write_flush();
690 			chk_send_dsp_cmd(&dev, HDEX_PLAY_STOP);
691 		}
692 		msnd_disable_irq(&dev);
693 		if (file) {
694 			printk(KERN_DEBUG LOGNAME ": Stopping write for %p\n", file);
695 			dev.mode &= ~FMODE_WRITE;
696 		}
697 		clear_bit(F_AUDIO_WRITE_INUSE, &dev.flags);
698 	}
699 }
700 
dsp_release(struct file * file)701 static int dsp_release(struct file *file)
702 {
703 	dsp_halt(file);
704 	return 0;
705 }
706 
dsp_open(struct file * file)707 static int dsp_open(struct file *file)
708 {
709 	if ((file ? file->f_mode : dev.mode) & FMODE_WRITE) {
710 		set_bit(F_AUDIO_WRITE_INUSE, &dev.flags);
711 		clear_bit(F_WRITING, &dev.flags);
712 		msnd_fifo_make_empty(&dev.DAPF);
713 		reset_play_queue();
714 		if (file) {
715 			printk(KERN_DEBUG LOGNAME ": Starting write for %p\n", file);
716 			dev.mode |= FMODE_WRITE;
717 		}
718 		msnd_enable_irq(&dev);
719 	}
720 	if ((file ? file->f_mode : dev.mode) & FMODE_READ) {
721 		set_bit(F_AUDIO_READ_INUSE, &dev.flags);
722 		clear_bit(F_READING, &dev.flags);
723 		msnd_fifo_make_empty(&dev.DARF);
724 		reset_record_queue();
725 		if (file) {
726 			printk(KERN_DEBUG LOGNAME ": Starting read for %p\n", file);
727 			dev.mode |= FMODE_READ;
728 		}
729 		msnd_enable_irq(&dev);
730 	}
731 	return 0;
732 }
733 
set_default_play_audio_parameters(void)734 static void set_default_play_audio_parameters(void)
735 {
736 	dev.play_sample_size = DEFSAMPLESIZE;
737 	dev.play_sample_rate = DEFSAMPLERATE;
738 	dev.play_channels = DEFCHANNELS;
739 }
740 
set_default_rec_audio_parameters(void)741 static void set_default_rec_audio_parameters(void)
742 {
743 	dev.rec_sample_size = DEFSAMPLESIZE;
744 	dev.rec_sample_rate = DEFSAMPLERATE;
745 	dev.rec_channels = DEFCHANNELS;
746 }
747 
set_default_audio_parameters(void)748 static void set_default_audio_parameters(void)
749 {
750 	set_default_play_audio_parameters();
751 	set_default_rec_audio_parameters();
752 }
753 
dev_open(struct inode * inode,struct file * file)754 static int dev_open(struct inode *inode, struct file *file)
755 {
756 	int minor = MINOR(inode->i_rdev);
757 	int err = 0;
758 
759 	if (minor == dev.dsp_minor) {
760 		if ((file->f_mode & FMODE_WRITE &&
761 		     test_bit(F_AUDIO_WRITE_INUSE, &dev.flags)) ||
762 		    (file->f_mode & FMODE_READ &&
763 		     test_bit(F_AUDIO_READ_INUSE, &dev.flags)))
764 			return -EBUSY;
765 
766 		if ((err = dsp_open(file)) >= 0) {
767 			dev.nresets = 0;
768 			if (file->f_mode & FMODE_WRITE) {
769 				set_default_play_audio_parameters();
770 				if (!test_bit(F_DISABLE_WRITE_NDELAY, &dev.flags))
771 					dev.play_ndelay = (file->f_flags & O_NDELAY) ? 1 : 0;
772 				else
773 					dev.play_ndelay = 0;
774 			}
775 			if (file->f_mode & FMODE_READ) {
776 				set_default_rec_audio_parameters();
777 				dev.rec_ndelay = (file->f_flags & O_NDELAY) ? 1 : 0;
778 			}
779 		}
780 	}
781 	else if (minor == dev.mixer_minor) {
782 		/* nothing */
783 	} else
784 		err = -EINVAL;
785 
786 	return err;
787 }
788 
dev_release(struct inode * inode,struct file * file)789 static int dev_release(struct inode *inode, struct file *file)
790 {
791 	int minor = MINOR(inode->i_rdev);
792 	int err = 0;
793 
794 	lock_kernel();
795 	if (minor == dev.dsp_minor)
796 		err = dsp_release(file);
797 	else if (minor == dev.mixer_minor) {
798 		/* nothing */
799 	} else
800 		err = -EINVAL;
801 	unlock_kernel();
802 	return err;
803 }
804 
pack_DARQ_to_DARF(register int bank)805 static __inline__ int pack_DARQ_to_DARF(register int bank)
806 {
807 	register int size, timeout = 3;
808 	register WORD wTmp;
809 	LPDAQD DAQD;
810 
811 	/* Increment the tail and check for queue wrap */
812 	wTmp = isa_readw(dev.DARQ + JQS_wTail) + PCTODSP_OFFSET(DAQDS__size);
813 	if (wTmp > isa_readw(dev.DARQ + JQS_wSize))
814 		wTmp = 0;
815 	while (wTmp == isa_readw(dev.DARQ + JQS_wHead) && timeout--)
816 		udelay(1);
817 	isa_writew(wTmp, dev.DARQ + JQS_wTail);
818 
819 	/* Get our digital audio queue struct */
820 	DAQD = bank * DAQDS__size + dev.base + DARQ_DATA_BUFF;
821 
822 	/* Get length of data */
823 	size = isa_readw(DAQD + DAQDS_wSize);
824 
825 	/* Read data from the head (unprotected bank 1 access okay
826            since this is only called inside an interrupt) */
827 	outb(HPBLKSEL_1, dev.io + HP_BLKS);
828 	msnd_fifo_write(
829 		&dev.DARF,
830 		(char *)(dev.base + bank * DAR_BUFF_SIZE),
831 		size);
832 	outb(HPBLKSEL_0, dev.io + HP_BLKS);
833 
834 	return 1;
835 }
836 
pack_DAPF_to_DAPQ(register int start)837 static __inline__ int pack_DAPF_to_DAPQ(register int start)
838 {
839 	register WORD DAPQ_tail;
840 	register int protect = start, nbanks = 0;
841 	LPDAQD DAQD;
842 
843 	DAPQ_tail = isa_readw(dev.DAPQ + JQS_wTail);
844 	while (DAPQ_tail != isa_readw(dev.DAPQ + JQS_wHead) || start) {
845 		register int bank_num = DAPQ_tail / PCTODSP_OFFSET(DAQDS__size);
846 		register int n;
847 		unsigned long flags;
848 
849 		/* Write the data to the new tail */
850 		if (protect) {
851 			/* Critical section: protect fifo in non-interrupt */
852 			spin_lock_irqsave(&dev.lock, flags);
853 			n = msnd_fifo_read(
854 				&dev.DAPF,
855 				(char *)(dev.base + bank_num * DAP_BUFF_SIZE),
856 				DAP_BUFF_SIZE);
857 			spin_unlock_irqrestore(&dev.lock, flags);
858 		} else {
859 			n = msnd_fifo_read(
860 				&dev.DAPF,
861 				(char *)(dev.base + bank_num * DAP_BUFF_SIZE),
862 				DAP_BUFF_SIZE);
863 		}
864 		if (!n)
865 			break;
866 
867 		if (start)
868 			start = 0;
869 
870 		/* Get our digital audio queue struct */
871 		DAQD = bank_num * DAQDS__size + dev.base + DAPQ_DATA_BUFF;
872 
873 		/* Write size of this bank */
874 		isa_writew(n, DAQD + DAQDS_wSize);
875 		++nbanks;
876 
877 		/* Then advance the tail */
878 		DAPQ_tail = (++bank_num % 3) * PCTODSP_OFFSET(DAQDS__size);
879 		isa_writew(DAPQ_tail, dev.DAPQ + JQS_wTail);
880 		/* Tell the DSP to play the bank */
881 		msnd_send_dsp_cmd(&dev, HDEX_PLAY_START);
882 	}
883 	return nbanks;
884 }
885 
dsp_read(char * buf,size_t len)886 static int dsp_read(char *buf, size_t len)
887 {
888 	int count = len;
889 	char *page = (char *)__get_free_page(PAGE_SIZE);
890 
891 	if (!page)
892 		return -ENOMEM;
893 
894 	while (count > 0) {
895 		int n, k;
896 		unsigned long flags;
897 
898 		k = PAGE_SIZE;
899 		if (k > count)
900 			k = count;
901 
902 		/* Critical section: protect fifo in non-interrupt */
903 		spin_lock_irqsave(&dev.lock, flags);
904 		n = msnd_fifo_read(&dev.DARF, page, k);
905 		spin_unlock_irqrestore(&dev.lock, flags);
906 		if (copy_to_user(buf, page, n)) {
907 			free_page((unsigned long)page);
908 			return -EFAULT;
909 		}
910 		buf += n;
911 		count -= n;
912 
913 		if (n == k && count)
914 			continue;
915 
916 		if (!test_bit(F_READING, &dev.flags) && dev.mode & FMODE_READ) {
917 			dev.last_recbank = -1;
918 			if (chk_send_dsp_cmd(&dev, HDEX_RECORD_START) == 0)
919 				set_bit(F_READING, &dev.flags);
920 		}
921 
922 		if (dev.rec_ndelay) {
923 			free_page((unsigned long)page);
924 			return count == len ? -EAGAIN : len - count;
925 		}
926 
927 		if (count > 0) {
928 			set_bit(F_READBLOCK, &dev.flags);
929 			if (!interruptible_sleep_on_timeout(
930 				&dev.readblock,
931 				get_rec_delay_jiffies(DAR_BUFF_SIZE)))
932 				clear_bit(F_READING, &dev.flags);
933 			clear_bit(F_READBLOCK, &dev.flags);
934 			if (signal_pending(current)) {
935 				free_page((unsigned long)page);
936 				return -EINTR;
937 			}
938 		}
939 	}
940 	free_page((unsigned long)page);
941 	return len - count;
942 }
943 
dsp_write(const char * buf,size_t len)944 static int dsp_write(const char *buf, size_t len)
945 {
946 	int count = len;
947 	char *page = (char *)__get_free_page(GFP_KERNEL);
948 
949 	if (!page)
950 		return -ENOMEM;
951 
952 	while (count > 0) {
953 		int n, k;
954 		unsigned long flags;
955 
956 		k = PAGE_SIZE;
957 		if (k > count)
958 			k = count;
959 
960 		if (copy_from_user(page, buf, k)) {
961 			free_page((unsigned long)page);
962 			return -EFAULT;
963 		}
964 
965 		/* Critical section: protect fifo in non-interrupt */
966 		spin_lock_irqsave(&dev.lock, flags);
967 		n = msnd_fifo_write(&dev.DAPF, page, k);
968 		spin_unlock_irqrestore(&dev.lock, flags);
969 		buf += n;
970 		count -= n;
971 
972 		if (count && n == k)
973 			continue;
974 
975 		if (!test_bit(F_WRITING, &dev.flags) && (dev.mode & FMODE_WRITE)) {
976 			dev.last_playbank = -1;
977 			if (pack_DAPF_to_DAPQ(1) > 0)
978 				set_bit(F_WRITING, &dev.flags);
979 		}
980 
981 		if (dev.play_ndelay) {
982 			free_page((unsigned long)page);
983 			return count == len ? -EAGAIN : len - count;
984 		}
985 
986 		if (count > 0) {
987 			set_bit(F_WRITEBLOCK, &dev.flags);
988 			interruptible_sleep_on_timeout(
989 				&dev.writeblock,
990 				get_play_delay_jiffies(DAP_BUFF_SIZE));
991 			clear_bit(F_WRITEBLOCK, &dev.flags);
992 			if (signal_pending(current)) {
993 				free_page((unsigned long)page);
994 				return -EINTR;
995 			}
996 		}
997 	}
998 
999 	free_page((unsigned long)page);
1000 	return len - count;
1001 }
1002 
dev_read(struct file * file,char * buf,size_t count,loff_t * off)1003 static ssize_t dev_read(struct file *file, char *buf, size_t count, loff_t *off)
1004 {
1005 	int minor = MINOR(file->f_dentry->d_inode->i_rdev);
1006 	if (minor == dev.dsp_minor)
1007 		return dsp_read(buf, count);
1008 	else
1009 		return -EINVAL;
1010 }
1011 
dev_write(struct file * file,const char * buf,size_t count,loff_t * off)1012 static ssize_t dev_write(struct file *file, const char *buf, size_t count, loff_t *off)
1013 {
1014 	int minor = MINOR(file->f_dentry->d_inode->i_rdev);
1015 	if (minor == dev.dsp_minor)
1016 		return dsp_write(buf, count);
1017 	else
1018 		return -EINVAL;
1019 }
1020 
eval_dsp_msg(register WORD wMessage)1021 static __inline__ void eval_dsp_msg(register WORD wMessage)
1022 {
1023 	switch (HIBYTE(wMessage)) {
1024 	case HIMT_PLAY_DONE:
1025 		if (dev.last_playbank == LOBYTE(wMessage) || !test_bit(F_WRITING, &dev.flags))
1026 			break;
1027 		dev.last_playbank = LOBYTE(wMessage);
1028 
1029 		if (pack_DAPF_to_DAPQ(0) <= 0) {
1030 			if (!test_bit(F_WRITEBLOCK, &dev.flags)) {
1031 				if (test_and_clear_bit(F_WRITEFLUSH, &dev.flags))
1032 					wake_up_interruptible(&dev.writeflush);
1033 			}
1034 			clear_bit(F_WRITING, &dev.flags);
1035 		}
1036 
1037 		if (test_bit(F_WRITEBLOCK, &dev.flags))
1038 			wake_up_interruptible(&dev.writeblock);
1039 		break;
1040 
1041 	case HIMT_RECORD_DONE:
1042 		if (dev.last_recbank == LOBYTE(wMessage))
1043 			break;
1044 		dev.last_recbank = LOBYTE(wMessage);
1045 
1046 		pack_DARQ_to_DARF(dev.last_recbank);
1047 
1048 		if (test_bit(F_READBLOCK, &dev.flags))
1049 			wake_up_interruptible(&dev.readblock);
1050 		break;
1051 
1052 	case HIMT_DSP:
1053 		switch (LOBYTE(wMessage)) {
1054 #ifndef MSND_CLASSIC
1055 		case HIDSP_PLAY_UNDER:
1056 #endif
1057 		case HIDSP_INT_PLAY_UNDER:
1058 /*			printk(KERN_DEBUG LOGNAME ": Play underflow\n"); */
1059 			clear_bit(F_WRITING, &dev.flags);
1060 			break;
1061 
1062 		case HIDSP_INT_RECORD_OVER:
1063 /*			printk(KERN_DEBUG LOGNAME ": Record overflow\n"); */
1064 			clear_bit(F_READING, &dev.flags);
1065 			break;
1066 
1067 		default:
1068 /*			printk(KERN_DEBUG LOGNAME ": DSP message %d 0x%02x\n",
1069 			LOBYTE(wMessage), LOBYTE(wMessage)); */
1070 			break;
1071 		}
1072 		break;
1073 
1074         case HIMT_MIDI_IN_UCHAR:
1075 		if (dev.midi_in_interrupt)
1076 			(*dev.midi_in_interrupt)(&dev);
1077 		break;
1078 
1079 	default:
1080 /*		printk(KERN_DEBUG LOGNAME ": HIMT message %d 0x%02x\n", HIBYTE(wMessage), HIBYTE(wMessage)); */
1081 		break;
1082 	}
1083 }
1084 
intr(int irq,void * dev_id,struct pt_regs * regs)1085 static void intr(int irq, void *dev_id, struct pt_regs *regs)
1086 {
1087 	/* Send ack to DSP */
1088 	inb(dev.io + HP_RXL);
1089 
1090 	/* Evaluate queued DSP messages */
1091 	while (isa_readw(dev.DSPQ + JQS_wTail) != isa_readw(dev.DSPQ + JQS_wHead)) {
1092 		register WORD wTmp;
1093 
1094 		eval_dsp_msg(isa_readw(dev.pwDSPQData + 2*isa_readw(dev.DSPQ + JQS_wHead)));
1095 
1096 		if ((wTmp = isa_readw(dev.DSPQ + JQS_wHead) + 1) > isa_readw(dev.DSPQ + JQS_wSize))
1097 			isa_writew(0, dev.DSPQ + JQS_wHead);
1098 		else
1099 			isa_writew(wTmp, dev.DSPQ + JQS_wHead);
1100 	}
1101 }
1102 
1103 static struct file_operations dev_fileops = {
1104 	owner:		THIS_MODULE,
1105 	read:		dev_read,
1106 	write:		dev_write,
1107 	ioctl:		dev_ioctl,
1108 	open:		dev_open,
1109 	release:	dev_release,
1110 };
1111 
reset_dsp(void)1112 static int reset_dsp(void)
1113 {
1114 	int timeout = 100;
1115 
1116 	outb(HPDSPRESET_ON, dev.io + HP_DSPR);
1117 	mdelay(1);
1118 #ifndef MSND_CLASSIC
1119 	dev.info = inb(dev.io + HP_INFO);
1120 #endif
1121 	outb(HPDSPRESET_OFF, dev.io + HP_DSPR);
1122 	mdelay(1);
1123 	while (timeout-- > 0) {
1124 		if (inb(dev.io + HP_CVR) == HP_CVR_DEF)
1125 			return 0;
1126 		mdelay(1);
1127 	}
1128 	printk(KERN_ERR LOGNAME ": Cannot reset DSP\n");
1129 
1130 	return -EIO;
1131 }
1132 
probe_multisound(void)1133 static int __init probe_multisound(void)
1134 {
1135 #ifndef MSND_CLASSIC
1136 	char *xv, *rev = NULL;
1137 	char *pin = "Pinnacle", *fiji = "Fiji";
1138 	char *pinfiji = "Pinnacle/Fiji";
1139 #endif
1140 
1141 	if (check_region(dev.io, dev.numio)) {
1142 		printk(KERN_ERR LOGNAME ": I/O port conflict\n");
1143 		return -ENODEV;
1144 	}
1145 	request_region(dev.io, dev.numio, "probing");
1146 
1147 	if (reset_dsp() < 0) {
1148 		release_region(dev.io, dev.numio);
1149 		return -ENODEV;
1150 	}
1151 
1152 #ifdef MSND_CLASSIC
1153 	dev.name = "Classic/Tahiti/Monterey";
1154 	printk(KERN_INFO LOGNAME ": %s, "
1155 #else
1156 	switch (dev.info >> 4) {
1157 	case 0xf: xv = "<= 1.15"; break;
1158 	case 0x1: xv = "1.18/1.2"; break;
1159 	case 0x2: xv = "1.3"; break;
1160 	case 0x3: xv = "1.4"; break;
1161 	default: xv = "unknown"; break;
1162 	}
1163 
1164 	switch (dev.info & 0x7) {
1165 	case 0x0: rev = "I"; dev.name = pin; break;
1166 	case 0x1: rev = "F"; dev.name = pin; break;
1167 	case 0x2: rev = "G"; dev.name = pin; break;
1168 	case 0x3: rev = "H"; dev.name = pin; break;
1169 	case 0x4: rev = "E"; dev.name = fiji; break;
1170 	case 0x5: rev = "C"; dev.name = fiji; break;
1171 	case 0x6: rev = "D"; dev.name = fiji; break;
1172 	case 0x7:
1173 		rev = "A-B (Fiji) or A-E (Pinnacle)";
1174 		dev.name = pinfiji;
1175 		break;
1176 	}
1177 	printk(KERN_INFO LOGNAME ": %s revision %s, Xilinx version %s, "
1178 #endif /* MSND_CLASSIC */
1179 	       "I/O 0x%x-0x%x, IRQ %d, memory mapped to 0x%lX-0x%lX\n",
1180 	       dev.name,
1181 #ifndef MSND_CLASSIC
1182 	       rev, xv,
1183 #endif
1184 	       dev.io, dev.io + dev.numio - 1,
1185 	       dev.irq,
1186 	       dev.base, dev.base + 0x7fff);
1187 
1188 	release_region(dev.io, dev.numio);
1189 	return 0;
1190 }
1191 
init_sma(void)1192 static int init_sma(void)
1193 {
1194 	static int initted;
1195 	WORD mastVolLeft, mastVolRight;
1196 	unsigned long flags;
1197 
1198 #ifdef MSND_CLASSIC
1199 	outb(dev.memid, dev.io + HP_MEMM);
1200 #endif
1201 	outb(HPBLKSEL_0, dev.io + HP_BLKS);
1202 	if (initted) {
1203 		mastVolLeft = isa_readw(dev.SMA + SMA_wCurrMastVolLeft);
1204 		mastVolRight = isa_readw(dev.SMA + SMA_wCurrMastVolRight);
1205 	} else
1206 		mastVolLeft = mastVolRight = 0;
1207 	isa_memset_io(dev.base, 0, 0x8000);
1208 
1209 	/* Critical section: bank 1 access */
1210 	spin_lock_irqsave(&dev.lock, flags);
1211 	outb(HPBLKSEL_1, dev.io + HP_BLKS);
1212 	isa_memset_io(dev.base, 0, 0x8000);
1213 	outb(HPBLKSEL_0, dev.io + HP_BLKS);
1214 	spin_unlock_irqrestore(&dev.lock, flags);
1215 
1216 	dev.pwDSPQData = (dev.base + DSPQ_DATA_BUFF);
1217 	dev.pwMODQData = (dev.base + MODQ_DATA_BUFF);
1218 	dev.pwMIDQData = (dev.base + MIDQ_DATA_BUFF);
1219 
1220 	/* Motorola 56k shared memory base */
1221 	dev.SMA = dev.base + SMA_STRUCT_START;
1222 
1223 	/* Digital audio play queue */
1224 	dev.DAPQ = dev.base + DAPQ_OFFSET;
1225 	msnd_init_queue(dev.DAPQ, DAPQ_DATA_BUFF, DAPQ_BUFF_SIZE);
1226 
1227 	/* Digital audio record queue */
1228 	dev.DARQ = dev.base + DARQ_OFFSET;
1229 	msnd_init_queue(dev.DARQ, DARQ_DATA_BUFF, DARQ_BUFF_SIZE);
1230 
1231 	/* MIDI out queue */
1232 	dev.MODQ = dev.base + MODQ_OFFSET;
1233 	msnd_init_queue(dev.MODQ, MODQ_DATA_BUFF, MODQ_BUFF_SIZE);
1234 
1235 	/* MIDI in queue */
1236 	dev.MIDQ = dev.base + MIDQ_OFFSET;
1237 	msnd_init_queue(dev.MIDQ, MIDQ_DATA_BUFF, MIDQ_BUFF_SIZE);
1238 
1239 	/* DSP -> host message queue */
1240 	dev.DSPQ = dev.base + DSPQ_OFFSET;
1241 	msnd_init_queue(dev.DSPQ, DSPQ_DATA_BUFF, DSPQ_BUFF_SIZE);
1242 
1243 	/* Setup some DSP values */
1244 #ifndef MSND_CLASSIC
1245 	isa_writew(1, dev.SMA + SMA_wCurrPlayFormat);
1246 	isa_writew(dev.play_sample_size, dev.SMA + SMA_wCurrPlaySampleSize);
1247 	isa_writew(dev.play_channels, dev.SMA + SMA_wCurrPlayChannels);
1248 	isa_writew(dev.play_sample_rate, dev.SMA + SMA_wCurrPlaySampleRate);
1249 #endif
1250 	isa_writew(dev.play_sample_rate, dev.SMA + SMA_wCalFreqAtoD);
1251 	isa_writew(mastVolLeft, dev.SMA + SMA_wCurrMastVolLeft);
1252 	isa_writew(mastVolRight, dev.SMA + SMA_wCurrMastVolRight);
1253 #ifndef MSND_CLASSIC
1254 	isa_writel(0x00010000, dev.SMA + SMA_dwCurrPlayPitch);
1255 	isa_writel(0x00000001, dev.SMA + SMA_dwCurrPlayRate);
1256 #endif
1257 	isa_writew(0x303, dev.SMA + SMA_wCurrInputTagBits);
1258 
1259 	initted = 1;
1260 
1261 	return 0;
1262 }
1263 
calibrate_adc(WORD srate)1264 static int __init calibrate_adc(WORD srate)
1265 {
1266 	isa_writew(srate, dev.SMA + SMA_wCalFreqAtoD);
1267 	if (dev.calibrate_signal == 0)
1268 		isa_writew(isa_readw(dev.SMA + SMA_wCurrHostStatusFlags)
1269 		       | 0x0001, dev.SMA + SMA_wCurrHostStatusFlags);
1270 	else
1271 		isa_writew(isa_readw(dev.SMA + SMA_wCurrHostStatusFlags)
1272 		       & ~0x0001, dev.SMA + SMA_wCurrHostStatusFlags);
1273 	if (msnd_send_word(&dev, 0, 0, HDEXAR_CAL_A_TO_D) == 0 &&
1274 	    chk_send_dsp_cmd(&dev, HDEX_AUX_REQ) == 0) {
1275 		current->state = TASK_INTERRUPTIBLE;
1276 		schedule_timeout(HZ / 3);
1277 		return 0;
1278 	}
1279 	printk(KERN_WARNING LOGNAME ": ADC calibration failed\n");
1280 
1281 	return -EIO;
1282 }
1283 
upload_dsp_code(void)1284 static int upload_dsp_code(void)
1285 {
1286 	outb(HPBLKSEL_0, dev.io + HP_BLKS);
1287 #ifndef HAVE_DSPCODEH
1288 	INITCODESIZE = mod_firmware_load(INITCODEFILE, &INITCODE);
1289 	if (!INITCODE) {
1290 		printk(KERN_ERR LOGNAME ": Error loading " INITCODEFILE);
1291 		return -EBUSY;
1292 	}
1293 
1294 	PERMCODESIZE = mod_firmware_load(PERMCODEFILE, &PERMCODE);
1295 	if (!PERMCODE) {
1296 		printk(KERN_ERR LOGNAME ": Error loading " PERMCODEFILE);
1297 		vfree(INITCODE);
1298 		return -EBUSY;
1299 	}
1300 #endif
1301 	isa_memcpy_toio(dev.base, PERMCODE, PERMCODESIZE);
1302 	if (msnd_upload_host(&dev, INITCODE, INITCODESIZE) < 0) {
1303 		printk(KERN_WARNING LOGNAME ": Error uploading to DSP\n");
1304 		return -ENODEV;
1305 	}
1306 #ifdef HAVE_DSPCODEH
1307 	printk(KERN_INFO LOGNAME ": DSP firmware uploaded (resident)\n");
1308 #else
1309 	printk(KERN_INFO LOGNAME ": DSP firmware uploaded\n");
1310 #endif
1311 
1312 #ifndef HAVE_DSPCODEH
1313 	vfree(INITCODE);
1314 	vfree(PERMCODE);
1315 #endif
1316 
1317 	return 0;
1318 }
1319 
1320 #ifdef MSND_CLASSIC
reset_proteus(void)1321 static void reset_proteus(void)
1322 {
1323 	outb(HPPRORESET_ON, dev.io + HP_PROR);
1324 	mdelay(TIME_PRO_RESET);
1325 	outb(HPPRORESET_OFF, dev.io + HP_PROR);
1326 	mdelay(TIME_PRO_RESET_DONE);
1327 }
1328 #endif
1329 
initialize(void)1330 static int initialize(void)
1331 {
1332 	int err, timeout;
1333 
1334 #ifdef MSND_CLASSIC
1335 	outb(HPWAITSTATE_0, dev.io + HP_WAIT);
1336 	outb(HPBITMODE_16, dev.io + HP_BITM);
1337 
1338 	reset_proteus();
1339 #endif
1340 	if ((err = init_sma()) < 0) {
1341 		printk(KERN_WARNING LOGNAME ": Cannot initialize SMA\n");
1342 		return err;
1343 	}
1344 
1345 	if ((err = reset_dsp()) < 0)
1346 		return err;
1347 
1348 	if ((err = upload_dsp_code()) < 0) {
1349 		printk(KERN_WARNING LOGNAME ": Cannot upload DSP code\n");
1350 		return err;
1351 	}
1352 
1353 	timeout = 200;
1354 	while (isa_readw(dev.base)) {
1355 		mdelay(1);
1356 		if (!timeout--) {
1357 			printk(KERN_DEBUG LOGNAME ": DSP reset timeout\n");
1358 			return -EIO;
1359 		}
1360 	}
1361 
1362 	mixer_setup();
1363 
1364 	return 0;
1365 }
1366 
dsp_full_reset(void)1367 static int dsp_full_reset(void)
1368 {
1369 	int rv;
1370 
1371 	if (test_bit(F_RESETTING, &dev.flags) || ++dev.nresets > 10)
1372 		return 0;
1373 
1374 	set_bit(F_RESETTING, &dev.flags);
1375 	printk(KERN_INFO LOGNAME ": DSP reset\n");
1376 	dsp_halt(NULL);			/* Unconditionally halt */
1377 	if ((rv = initialize()))
1378 		printk(KERN_WARNING LOGNAME ": DSP reset failed\n");
1379 	force_recsrc(dev.recsrc);
1380 	dsp_open(NULL);
1381 	clear_bit(F_RESETTING, &dev.flags);
1382 
1383 	return rv;
1384 }
1385 
attach_multisound(void)1386 static int __init attach_multisound(void)
1387 {
1388 	int err;
1389 
1390 	if ((err = request_irq(dev.irq, intr, 0, dev.name, &dev)) < 0) {
1391 		printk(KERN_ERR LOGNAME ": Couldn't grab IRQ %d\n", dev.irq);
1392 		return err;
1393 	}
1394 	request_region(dev.io, dev.numio, dev.name);
1395 
1396         if ((err = dsp_full_reset()) < 0) {
1397 		release_region(dev.io, dev.numio);
1398 		free_irq(dev.irq, &dev);
1399 		return err;
1400 	}
1401 
1402 	if ((err = msnd_register(&dev)) < 0) {
1403 		printk(KERN_ERR LOGNAME ": Unable to register MultiSound\n");
1404 		release_region(dev.io, dev.numio);
1405 		free_irq(dev.irq, &dev);
1406 		return err;
1407 	}
1408 
1409 	if ((dev.dsp_minor = register_sound_dsp(&dev_fileops, -1)) < 0) {
1410 		printk(KERN_ERR LOGNAME ": Unable to register DSP operations\n");
1411 		msnd_unregister(&dev);
1412 		release_region(dev.io, dev.numio);
1413 		free_irq(dev.irq, &dev);
1414 		return dev.dsp_minor;
1415 	}
1416 
1417 	if ((dev.mixer_minor = register_sound_mixer(&dev_fileops, -1)) < 0) {
1418 		printk(KERN_ERR LOGNAME ": Unable to register mixer operations\n");
1419 		unregister_sound_mixer(dev.mixer_minor);
1420 		msnd_unregister(&dev);
1421 		release_region(dev.io, dev.numio);
1422 		free_irq(dev.irq, &dev);
1423 		return dev.mixer_minor;
1424 	}
1425 
1426 	dev.ext_midi_dev = dev.hdr_midi_dev = -1;
1427 
1428 	disable_irq(dev.irq);
1429 	calibrate_adc(dev.play_sample_rate);
1430 #ifndef MSND_CLASSIC
1431 	force_recsrc(SOUND_MASK_IMIX);
1432 #endif
1433 
1434 	return 0;
1435 }
1436 
unload_multisound(void)1437 static void __exit unload_multisound(void)
1438 {
1439 	release_region(dev.io, dev.numio);
1440 	free_irq(dev.irq, &dev);
1441 	unregister_sound_mixer(dev.mixer_minor);
1442 	unregister_sound_dsp(dev.dsp_minor);
1443 	msnd_unregister(&dev);
1444 }
1445 
1446 #ifndef MSND_CLASSIC
1447 
1448 /* Pinnacle/Fiji Logical Device Configuration */
1449 
msnd_write_cfg(int cfg,int reg,int value)1450 static int __init msnd_write_cfg(int cfg, int reg, int value)
1451 {
1452 	outb(reg, cfg);
1453 	outb(value, cfg + 1);
1454 	if (value != inb(cfg + 1)) {
1455 		printk(KERN_ERR LOGNAME ": msnd_write_cfg: I/O error\n");
1456 		return -EIO;
1457 	}
1458 	return 0;
1459 }
1460 
msnd_write_cfg_io0(int cfg,int num,WORD io)1461 static int __init msnd_write_cfg_io0(int cfg, int num, WORD io)
1462 {
1463 	if (msnd_write_cfg(cfg, IREG_LOGDEVICE, num))
1464 		return -EIO;
1465 	if (msnd_write_cfg(cfg, IREG_IO0_BASEHI, HIBYTE(io)))
1466 		return -EIO;
1467 	if (msnd_write_cfg(cfg, IREG_IO0_BASELO, LOBYTE(io)))
1468 		return -EIO;
1469 	return 0;
1470 }
1471 
msnd_write_cfg_io1(int cfg,int num,WORD io)1472 static int __init msnd_write_cfg_io1(int cfg, int num, WORD io)
1473 {
1474 	if (msnd_write_cfg(cfg, IREG_LOGDEVICE, num))
1475 		return -EIO;
1476 	if (msnd_write_cfg(cfg, IREG_IO1_BASEHI, HIBYTE(io)))
1477 		return -EIO;
1478 	if (msnd_write_cfg(cfg, IREG_IO1_BASELO, LOBYTE(io)))
1479 		return -EIO;
1480 	return 0;
1481 }
1482 
msnd_write_cfg_irq(int cfg,int num,WORD irq)1483 static int __init msnd_write_cfg_irq(int cfg, int num, WORD irq)
1484 {
1485 	if (msnd_write_cfg(cfg, IREG_LOGDEVICE, num))
1486 		return -EIO;
1487 	if (msnd_write_cfg(cfg, IREG_IRQ_NUMBER, LOBYTE(irq)))
1488 		return -EIO;
1489 	if (msnd_write_cfg(cfg, IREG_IRQ_TYPE, IRQTYPE_EDGE))
1490 		return -EIO;
1491 	return 0;
1492 }
1493 
msnd_write_cfg_mem(int cfg,int num,int mem)1494 static int __init msnd_write_cfg_mem(int cfg, int num, int mem)
1495 {
1496 	WORD wmem;
1497 
1498 	mem >>= 8;
1499 	mem &= 0xfff;
1500 	wmem = (WORD)mem;
1501 	if (msnd_write_cfg(cfg, IREG_LOGDEVICE, num))
1502 		return -EIO;
1503 	if (msnd_write_cfg(cfg, IREG_MEMBASEHI, HIBYTE(wmem)))
1504 		return -EIO;
1505 	if (msnd_write_cfg(cfg, IREG_MEMBASELO, LOBYTE(wmem)))
1506 		return -EIO;
1507 	if (wmem && msnd_write_cfg(cfg, IREG_MEMCONTROL, (MEMTYPE_HIADDR | MEMTYPE_16BIT)))
1508 		return -EIO;
1509 	return 0;
1510 }
1511 
msnd_activate_logical(int cfg,int num)1512 static int __init msnd_activate_logical(int cfg, int num)
1513 {
1514 	if (msnd_write_cfg(cfg, IREG_LOGDEVICE, num))
1515 		return -EIO;
1516 	if (msnd_write_cfg(cfg, IREG_ACTIVATE, LD_ACTIVATE))
1517 		return -EIO;
1518 	return 0;
1519 }
1520 
msnd_write_cfg_logical(int cfg,int num,WORD io0,WORD io1,WORD irq,int mem)1521 static int __init msnd_write_cfg_logical(int cfg, int num, WORD io0, WORD io1, WORD irq, int mem)
1522 {
1523 	if (msnd_write_cfg(cfg, IREG_LOGDEVICE, num))
1524 		return -EIO;
1525 	if (msnd_write_cfg_io0(cfg, num, io0))
1526 		return -EIO;
1527 	if (msnd_write_cfg_io1(cfg, num, io1))
1528 		return -EIO;
1529 	if (msnd_write_cfg_irq(cfg, num, irq))
1530 		return -EIO;
1531 	if (msnd_write_cfg_mem(cfg, num, mem))
1532 		return -EIO;
1533 	if (msnd_activate_logical(cfg, num))
1534 		return -EIO;
1535 	return 0;
1536 }
1537 
1538 typedef struct msnd_pinnacle_cfg_device {
1539 	WORD io0, io1, irq;
1540 	int mem;
1541 } msnd_pinnacle_cfg_t[4];
1542 
msnd_pinnacle_cfg_devices(int cfg,int reset,msnd_pinnacle_cfg_t device)1543 static int __init msnd_pinnacle_cfg_devices(int cfg, int reset, msnd_pinnacle_cfg_t device)
1544 {
1545 	int i;
1546 
1547 	/* Reset devices if told to */
1548 	if (reset) {
1549 		printk(KERN_INFO LOGNAME ": Resetting all devices\n");
1550 		for (i = 0; i < 4; ++i)
1551 			if (msnd_write_cfg_logical(cfg, i, 0, 0, 0, 0))
1552 				return -EIO;
1553 	}
1554 
1555 	/* Configure specified devices */
1556 	for (i = 0; i < 4; ++i) {
1557 
1558 		switch (i) {
1559 		case 0:		/* DSP */
1560 			if (!(device[i].io0 && device[i].irq && device[i].mem))
1561 				continue;
1562 			break;
1563 		case 1:		/* MPU */
1564 			if (!(device[i].io0 && device[i].irq))
1565 				continue;
1566 			printk(KERN_INFO LOGNAME
1567 			       ": Configuring MPU to I/O 0x%x IRQ %d\n",
1568 			       device[i].io0, device[i].irq);
1569 			break;
1570 		case 2:		/* IDE */
1571 			if (!(device[i].io0 && device[i].io1 && device[i].irq))
1572 				continue;
1573 			printk(KERN_INFO LOGNAME
1574 			       ": Configuring IDE to I/O 0x%x, 0x%x IRQ %d\n",
1575 			       device[i].io0, device[i].io1, device[i].irq);
1576 			break;
1577 		case 3:		/* Joystick */
1578 			if (!(device[i].io0))
1579 				continue;
1580 			printk(KERN_INFO LOGNAME
1581 			       ": Configuring joystick to I/O 0x%x\n",
1582 			       device[i].io0);
1583 			break;
1584 		}
1585 
1586 		/* Configure the device */
1587 		if (msnd_write_cfg_logical(cfg, i, device[i].io0, device[i].io1, device[i].irq, device[i].mem))
1588 			return -EIO;
1589 	}
1590 
1591 	return 0;
1592 }
1593 #endif
1594 
1595 #ifdef MODULE
1596 MODULE_AUTHOR				("Andrew Veliath <andrewtv@usa.net>");
1597 MODULE_DESCRIPTION			("Turtle Beach " LONGNAME " Linux Driver");
1598 MODULE_LICENSE("GPL");
1599 
1600 MODULE_PARM				(io, "i");
1601 MODULE_PARM				(irq, "i");
1602 MODULE_PARM				(mem, "i");
1603 MODULE_PARM				(write_ndelay, "i");
1604 MODULE_PARM				(fifosize, "i");
1605 MODULE_PARM				(calibrate_signal, "i");
1606 #ifndef MSND_CLASSIC
1607 MODULE_PARM				(digital, "i");
1608 MODULE_PARM				(cfg, "i");
1609 MODULE_PARM				(reset, "i");
1610 MODULE_PARM				(mpu_io, "i");
1611 MODULE_PARM				(mpu_irq, "i");
1612 MODULE_PARM				(ide_io0, "i");
1613 MODULE_PARM				(ide_io1, "i");
1614 MODULE_PARM				(ide_irq, "i");
1615 MODULE_PARM				(joystick_io, "i");
1616 #endif
1617 
1618 static int io __initdata =		-1;
1619 static int irq __initdata =		-1;
1620 static int mem __initdata =		-1;
1621 static int write_ndelay __initdata =	-1;
1622 
1623 #ifndef MSND_CLASSIC
1624 /* Pinnacle/Fiji non-PnP Config Port */
1625 static int cfg __initdata =		-1;
1626 
1627 /* Extra Peripheral Configuration */
1628 static int reset __initdata = 0;
1629 static int mpu_io __initdata = 0;
1630 static int mpu_irq __initdata = 0;
1631 static int ide_io0 __initdata = 0;
1632 static int ide_io1 __initdata = 0;
1633 static int ide_irq __initdata = 0;
1634 static int joystick_io __initdata = 0;
1635 
1636 /* If we have the digital daugherboard... */
1637 static int digital __initdata = 0;
1638 #endif
1639 
1640 static int fifosize __initdata =	DEFFIFOSIZE;
1641 static int calibrate_signal __initdata = 0;
1642 
1643 #else /* not a module */
1644 
1645 static int write_ndelay __initdata =	-1;
1646 
1647 #ifdef MSND_CLASSIC
1648 static int io __initdata =		CONFIG_MSNDCLAS_IO;
1649 static int irq __initdata =		CONFIG_MSNDCLAS_IRQ;
1650 static int mem __initdata =		CONFIG_MSNDCLAS_MEM;
1651 #else /* Pinnacle/Fiji */
1652 
1653 static int io __initdata =		CONFIG_MSNDPIN_IO;
1654 static int irq __initdata =		CONFIG_MSNDPIN_IRQ;
1655 static int mem __initdata =		CONFIG_MSNDPIN_MEM;
1656 
1657 /* Pinnacle/Fiji non-PnP Config Port */
1658 #ifdef CONFIG_MSNDPIN_NONPNP
1659 #  ifndef CONFIG_MSNDPIN_CFG
1660 #    define CONFIG_MSNDPIN_CFG		0x250
1661 #  endif
1662 #else
1663 #  ifdef CONFIG_MSNDPIN_CFG
1664 #    undef CONFIG_MSNDPIN_CFG
1665 #  endif
1666 #  define CONFIG_MSNDPIN_CFG		-1
1667 #endif
1668 static int cfg __initdata =		CONFIG_MSNDPIN_CFG;
1669 /* If not a module, we don't need to bother with reset=1 */
1670 static int reset;
1671 
1672 /* Extra Peripheral Configuration (Default: Disable) */
1673 #ifndef CONFIG_MSNDPIN_MPU_IO
1674 #  define CONFIG_MSNDPIN_MPU_IO		0
1675 #endif
1676 static int mpu_io __initdata =		CONFIG_MSNDPIN_MPU_IO;
1677 
1678 #ifndef CONFIG_MSNDPIN_MPU_IRQ
1679 #  define CONFIG_MSNDPIN_MPU_IRQ	0
1680 #endif
1681 static int mpu_irq __initdata =		CONFIG_MSNDPIN_MPU_IRQ;
1682 
1683 #ifndef CONFIG_MSNDPIN_IDE_IO0
1684 #  define CONFIG_MSNDPIN_IDE_IO0	0
1685 #endif
1686 static int ide_io0 __initdata =		CONFIG_MSNDPIN_IDE_IO0;
1687 
1688 #ifndef CONFIG_MSNDPIN_IDE_IO1
1689 #  define CONFIG_MSNDPIN_IDE_IO1	0
1690 #endif
1691 static int ide_io1 __initdata =		CONFIG_MSNDPIN_IDE_IO1;
1692 
1693 #ifndef CONFIG_MSNDPIN_IDE_IRQ
1694 #  define CONFIG_MSNDPIN_IDE_IRQ	0
1695 #endif
1696 static int ide_irq __initdata =		CONFIG_MSNDPIN_IDE_IRQ;
1697 
1698 #ifndef CONFIG_MSNDPIN_JOYSTICK_IO
1699 #  define CONFIG_MSNDPIN_JOYSTICK_IO	0
1700 #endif
1701 static int joystick_io __initdata =	CONFIG_MSNDPIN_JOYSTICK_IO;
1702 
1703 /* Have SPDIF (Digital) Daughterboard */
1704 #ifndef CONFIG_MSNDPIN_DIGITAL
1705 #  define CONFIG_MSNDPIN_DIGITAL	0
1706 #endif
1707 static int digital __initdata =		CONFIG_MSNDPIN_DIGITAL;
1708 
1709 #endif /* MSND_CLASSIC */
1710 
1711 #ifndef CONFIG_MSND_FIFOSIZE
1712 #  define CONFIG_MSND_FIFOSIZE		DEFFIFOSIZE
1713 #endif
1714 static int fifosize __initdata =	CONFIG_MSND_FIFOSIZE;
1715 
1716 #ifndef CONFIG_MSND_CALSIGNAL
1717 #  define CONFIG_MSND_CALSIGNAL		0
1718 #endif
1719 static int
1720 calibrate_signal __initdata =		CONFIG_MSND_CALSIGNAL;
1721 #endif /* MODULE */
1722 
1723 
msnd_init(void)1724 static int __init msnd_init(void)
1725 {
1726 	int err;
1727 #ifndef MSND_CLASSIC
1728 	static msnd_pinnacle_cfg_t pinnacle_devs;
1729 #endif /* MSND_CLASSIC */
1730 
1731 	printk(KERN_INFO LOGNAME ": Turtle Beach " LONGNAME " Linux Driver Version "
1732 	       VERSION ", Copyright (C) 1998 Andrew Veliath\n");
1733 
1734 	if (io == -1 || irq == -1 || mem == -1)
1735 		printk(KERN_WARNING LOGNAME ": io, irq and mem must be set\n");
1736 
1737 #ifdef MSND_CLASSIC
1738 	if (io == -1 ||
1739 	    !(io == 0x290 ||
1740 	      io == 0x260 ||
1741 	      io == 0x250 ||
1742 	      io == 0x240 ||
1743 	      io == 0x230 ||
1744 	      io == 0x220 ||
1745 	      io == 0x210 ||
1746 	      io == 0x3e0)) {
1747 		printk(KERN_ERR LOGNAME ": \"io\" - DSP I/O base must be set to 0x210, 0x220, 0x230, 0x240, 0x250, 0x260, 0x290, or 0x3E0\n");
1748 		return -EINVAL;
1749 	}
1750 #else
1751 	if (io == -1 ||
1752 		io < 0x100 ||
1753 		io > 0x3e0 ||
1754 		(io % 0x10) != 0) {
1755 			printk(KERN_ERR LOGNAME ": \"io\" - DSP I/O base must within the range 0x100 to 0x3E0 and must be evenly divisible by 0x10\n");
1756 			return -EINVAL;
1757 	}
1758 #endif /* MSND_CLASSIC */
1759 
1760 	if (irq == -1 ||
1761 	    !(irq == 5 ||
1762 	      irq == 7 ||
1763 	      irq == 9 ||
1764 	      irq == 10 ||
1765 	      irq == 11 ||
1766 	      irq == 12)) {
1767 		printk(KERN_ERR LOGNAME ": \"irq\" - must be set to 5, 7, 9, 10, 11 or 12\n");
1768 		return -EINVAL;
1769 	}
1770 
1771 	if (mem == -1 ||
1772 	    !(mem == 0xb0000 ||
1773 	      mem == 0xc8000 ||
1774 	      mem == 0xd0000 ||
1775 	      mem == 0xd8000 ||
1776 	      mem == 0xe0000 ||
1777 	      mem == 0xe8000)) {
1778 		printk(KERN_ERR LOGNAME ": \"mem\" - must be set to "
1779 		       "0xb0000, 0xc8000, 0xd0000, 0xd8000, 0xe0000 or 0xe8000\n");
1780 		return -EINVAL;
1781 	}
1782 
1783 #ifdef MSND_CLASSIC
1784 	switch (irq) {
1785 	case 5: dev.irqid = HPIRQ_5; break;
1786 	case 7: dev.irqid = HPIRQ_7; break;
1787 	case 9: dev.irqid = HPIRQ_9; break;
1788 	case 10: dev.irqid = HPIRQ_10; break;
1789 	case 11: dev.irqid = HPIRQ_11; break;
1790 	case 12: dev.irqid = HPIRQ_12; break;
1791 	}
1792 
1793 	switch (mem) {
1794 	case 0xb0000: dev.memid = HPMEM_B000; break;
1795 	case 0xc8000: dev.memid = HPMEM_C800; break;
1796 	case 0xd0000: dev.memid = HPMEM_D000; break;
1797 	case 0xd8000: dev.memid = HPMEM_D800; break;
1798 	case 0xe0000: dev.memid = HPMEM_E000; break;
1799 	case 0xe8000: dev.memid = HPMEM_E800; break;
1800 	}
1801 #else
1802 	if (cfg == -1) {
1803 		printk(KERN_INFO LOGNAME ": Assuming PnP mode\n");
1804 	} else if (cfg != 0x250 && cfg != 0x260 && cfg != 0x270) {
1805 		printk(KERN_INFO LOGNAME ": Config port must be 0x250, 0x260 or 0x270 (or unspecified for PnP mode)\n");
1806 		return -EINVAL;
1807 	} else {
1808 		printk(KERN_INFO LOGNAME ": Non-PnP mode: configuring at port 0x%x\n", cfg);
1809 
1810 		/* DSP */
1811 		pinnacle_devs[0].io0 = io;
1812 		pinnacle_devs[0].irq = irq;
1813 		pinnacle_devs[0].mem = mem;
1814 
1815 		/* The following are Pinnacle specific */
1816 
1817 		/* MPU */
1818 		pinnacle_devs[1].io0 = mpu_io;
1819 		pinnacle_devs[1].irq = mpu_irq;
1820 
1821 		/* IDE */
1822 		pinnacle_devs[2].io0 = ide_io0;
1823 		pinnacle_devs[2].io1 = ide_io1;
1824 		pinnacle_devs[2].irq = ide_irq;
1825 
1826 		/* Joystick */
1827 		pinnacle_devs[3].io0 = joystick_io;
1828 
1829 		if (check_region(cfg, 2)) {
1830 			printk(KERN_ERR LOGNAME ": Config port 0x%x conflict\n", cfg);
1831 			return -EIO;
1832 		}
1833 
1834 		request_region(cfg, 2, "Pinnacle/Fiji Config");
1835 		if (msnd_pinnacle_cfg_devices(cfg, reset, pinnacle_devs)) {
1836 			printk(KERN_ERR LOGNAME ": Device configuration error\n");
1837 			release_region(cfg, 2);
1838 			return -EIO;
1839 		}
1840 		release_region(cfg, 2);
1841 	}
1842 #endif /* MSND_CLASSIC */
1843 
1844 	if (fifosize < 16)
1845 		fifosize = 16;
1846 
1847 	if (fifosize > 1024)
1848 		fifosize = 1024;
1849 
1850 	set_default_audio_parameters();
1851 #ifdef MSND_CLASSIC
1852 	dev.type = msndClassic;
1853 #else
1854 	dev.type = msndPinnacle;
1855 #endif
1856 	dev.io = io;
1857 	dev.numio = DSP_NUMIO;
1858 	dev.irq = irq;
1859 	dev.base = mem;
1860 	dev.fifosize = fifosize * 1024;
1861 	dev.calibrate_signal = calibrate_signal ? 1 : 0;
1862 	dev.recsrc = 0;
1863 	dev.dspq_data_buff = DSPQ_DATA_BUFF;
1864 	dev.dspq_buff_size = DSPQ_BUFF_SIZE;
1865 	if (write_ndelay == -1)
1866 		write_ndelay = CONFIG_MSND_WRITE_NDELAY;
1867 	if (write_ndelay)
1868 		clear_bit(F_DISABLE_WRITE_NDELAY, &dev.flags);
1869 	else
1870 		set_bit(F_DISABLE_WRITE_NDELAY, &dev.flags);
1871 #ifndef MSND_CLASSIC
1872 	if (digital)
1873 		set_bit(F_HAVEDIGITAL, &dev.flags);
1874 #endif
1875 	init_waitqueue_head(&dev.writeblock);
1876 	init_waitqueue_head(&dev.readblock);
1877 	init_waitqueue_head(&dev.writeflush);
1878 	msnd_fifo_init(&dev.DAPF);
1879 	msnd_fifo_init(&dev.DARF);
1880 	spin_lock_init(&dev.lock);
1881 	printk(KERN_INFO LOGNAME ": %u byte audio FIFOs (x2)\n", dev.fifosize);
1882 	if ((err = msnd_fifo_alloc(&dev.DAPF, dev.fifosize)) < 0) {
1883 		printk(KERN_ERR LOGNAME ": Couldn't allocate write FIFO\n");
1884 		return err;
1885 	}
1886 
1887 	if ((err = msnd_fifo_alloc(&dev.DARF, dev.fifosize)) < 0) {
1888 		printk(KERN_ERR LOGNAME ": Couldn't allocate read FIFO\n");
1889 		msnd_fifo_free(&dev.DAPF);
1890 		return err;
1891 	}
1892 
1893 	if ((err = probe_multisound()) < 0) {
1894 		printk(KERN_ERR LOGNAME ": Probe failed\n");
1895 		msnd_fifo_free(&dev.DAPF);
1896 		msnd_fifo_free(&dev.DARF);
1897 		return err;
1898 	}
1899 
1900 	if ((err = attach_multisound()) < 0) {
1901 		printk(KERN_ERR LOGNAME ": Attach failed\n");
1902 		msnd_fifo_free(&dev.DAPF);
1903 		msnd_fifo_free(&dev.DARF);
1904 		return err;
1905 	}
1906 
1907 	return 0;
1908 }
1909 
msdn_cleanup(void)1910 static void __exit msdn_cleanup(void)
1911 {
1912 	unload_multisound();
1913 	msnd_fifo_free(&dev.DAPF);
1914 	msnd_fifo_free(&dev.DARF);
1915 }
1916 
1917 module_init(msnd_init);
1918 module_exit(msdn_cleanup);
1919