xref: /freebsd/sys/dev/sound/pci/emu10k1.c (revision 2357939bc239bd5334a169b62313806178dd8f30)
1 /*
2  * Copyright (c) 2004 David O'Brien <obrien@FreeBSD.org>
3  * Copyright (c) 2003 Orlando Bassotto <orlando.bassotto@ieo-research.it>
4  * Copyright (c) 1999 Cameron Grant <cg@freebsd.org>
5  * All rights reserved.
6  *
7  * Redistribution and use in source and binary forms, with or without
8  * modification, are permitted provided that the following conditions
9  * are met:
10  * 1. Redistributions of source code must retain the above copyright
11  *    notice, this list of conditions and the following disclaimer.
12  * 2. Redistributions in binary form must reproduce the above copyright
13  *    notice, this list of conditions and the following disclaimer in the
14  *    documentation and/or other materials provided with the distribution.
15  *
16  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
17  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
20  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHERIN CONTRACT, STRICT
24  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26  * SUCH DAMAGE.
27  */
28 
29 #include <dev/sound/pcm/sound.h>
30 #include <dev/sound/pcm/ac97.h>
31 #include <gnu/dev/sound/pci/emu10k1.h>
32 #include "emu10k1-alsa%diked.h"
33 
34 #include <dev/pci/pcireg.h>
35 #include <dev/pci/pcivar.h>
36 #include <sys/queue.h>
37 
38 SND_DECLARE_FILE("$FreeBSD$");
39 
40 /* -------------------------------------------------------------------- */
41 
42 #define	NUM_G		64	/* use all channels */
43 #define	WAVEOUT_MAXBUFSIZE 32768
44 #define	EMUPAGESIZE	4096	/* don't change */
45 #define	EMUMAXPAGES	(WAVEOUT_MAXBUFSIZE * NUM_G / EMUPAGESIZE)
46 #define	EMU10K1_PCI_ID	0x00021102	/* 1102 => Creative Labs Vendor ID */
47 #define	EMU10K2_PCI_ID	0x00041102
48 #define	EMU_DEFAULT_BUFSZ	4096
49 #define EMU_MAX_CHANS	8
50 #define	EMU_CHANS	4
51 
52 #define	MAXREQVOICES	8
53 #define	RESERVED	0
54 #define	NUM_MIDI	16
55 #define	NUM_FXSENDS	4
56 
57 #define	TMEMSIZE	256*1024
58 #define	TMEMSIZEREG	4
59 
60 #define	ENABLE		0xffffffff
61 #define	DISABLE		0x00000000
62 #define	ENV_ON		DCYSUSV_CHANNELENABLE_MASK
63 #define	ENV_OFF		0x00	/* XXX: should this be 1? */
64 
65 #define	A_IOCFG_GPOUT_A	0x40	/* Analog Output */
66 #define	A_IOCFG_GPOUT_D	0x04	/* Digital Output */
67 #define	A_IOCFG_GPOUT_AD (A_IOCFG_GPOUT_A|A_IOCFG_GPOUT_D)  /* A_IOCFG_GPOUT0 */
68 
69 struct emu_memblk {
70 	SLIST_ENTRY(emu_memblk) link;
71 	void *buf;
72 	bus_addr_t buf_addr;
73 	u_int32_t pte_start, pte_size;
74 };
75 
76 struct emu_mem {
77 	u_int8_t bmap[EMUMAXPAGES / 8];
78 	u_int32_t *ptb_pages;
79 	void *silent_page;
80 	bus_addr_t silent_page_addr;
81 	bus_addr_t ptb_pages_addr;
82 	SLIST_HEAD(, emu_memblk) blocks;
83 };
84 
85 struct emu_voice {
86 	int vnum;
87 	int b16:1, stereo:1, busy:1, running:1, ismaster:1;
88 	int speed;
89 	int start, end, vol;
90 	int fxrt1;	/* FX routing */
91 	int fxrt2;	/* FX routing (only for audigy) */
92 	u_int32_t buf;
93 	struct emu_voice *slave;
94 	struct pcm_channel *channel;
95 };
96 
97 struct sc_info;
98 
99 /* channel registers */
100 struct sc_pchinfo {
101 	int spd, fmt, blksz, run;
102 	struct emu_voice *master, *slave;
103 	struct snd_dbuf *buffer;
104 	struct pcm_channel *channel;
105 	struct sc_info *parent;
106 };
107 
108 struct sc_rchinfo {
109 	int spd, fmt, run, blksz, num;
110 	u_int32_t idxreg, basereg, sizereg, setupreg, irqmask;
111 	struct snd_dbuf *buffer;
112 	struct pcm_channel *channel;
113 	struct sc_info *parent;
114 };
115 
116 /* device private data */
117 struct sc_info {
118 	device_t	dev;
119 	u_int32_t	type, rev;
120 	u_int32_t	tos_link:1, APS:1, audigy:1, audigy2:1;
121 	u_int32_t	addrmask;	/* wider if audigy */
122 
123 	bus_space_tag_t st;
124 	bus_space_handle_t sh;
125 	bus_dma_tag_t parent_dmat;
126 
127 	struct resource *reg, *irq;
128 	void		*ih;
129 	struct mtx	*lock;
130 
131 	unsigned int bufsz;
132 	int timer, timerinterval;
133 	int pnum, rnum;
134 	int nchans;
135 	struct emu_mem mem;
136 	struct emu_voice voice[64];
137 	struct sc_pchinfo pch[EMU_MAX_CHANS];
138 	struct sc_rchinfo rch[3];
139 };
140 
141 /* -------------------------------------------------------------------- */
142 
143 /*
144  * prototypes
145  */
146 
147 /* stuff */
148 static int emu_init(struct sc_info *);
149 static void emu_intr(void *);
150 static void *emu_malloc(struct sc_info *sc, u_int32_t sz, bus_addr_t *addr);
151 static void *emu_memalloc(struct sc_info *sc, u_int32_t sz, bus_addr_t *addr);
152 static int emu_memfree(struct sc_info *sc, void *buf);
153 static int emu_memstart(struct sc_info *sc, void *buf);
154 #ifdef EMUDEBUG
155 static void emu_vdump(struct sc_info *sc, struct emu_voice *v);
156 #endif
157 
158 /* talk to the card */
159 static u_int32_t emu_rd(struct sc_info *, int, int);
160 static void emu_wr(struct sc_info *, int, u_int32_t, int);
161 
162 /* -------------------------------------------------------------------- */
163 
164 static u_int32_t emu_rfmt_ac97[] = {
165 	AFMT_S16_LE,
166 	AFMT_STEREO | AFMT_S16_LE,
167 	0
168 };
169 
170 static u_int32_t emu_rfmt_mic[] = {
171 	AFMT_U8,
172 	0
173 };
174 
175 static u_int32_t emu_rfmt_efx[] = {
176 	AFMT_STEREO | AFMT_S16_LE,
177 	0
178 };
179 
180 static struct pcmchan_caps emu_reccaps[3] = {
181 	{8000, 48000, emu_rfmt_ac97, 0},
182 	{8000, 8000, emu_rfmt_mic, 0},
183 	{48000, 48000, emu_rfmt_efx, 0},
184 };
185 
186 static u_int32_t emu_pfmt[] = {
187 	AFMT_U8,
188 	AFMT_STEREO | AFMT_U8,
189 	AFMT_S16_LE,
190 	AFMT_STEREO | AFMT_S16_LE,
191 	0
192 };
193 
194 static struct pcmchan_caps emu_playcaps = {4000, 48000, emu_pfmt, 0};
195 
196 static int adcspeed[8] = {48000, 44100, 32000, 24000, 22050, 16000, 11025, 8000};
197 /* audigy supports 12kHz. */
198 static int audigy_adcspeed[9] = {
199 	48000, 44100, 32000, 24000, 22050, 16000, 12000, 11025, 8000
200 };
201 
202 /* -------------------------------------------------------------------- */
203 /* Hardware */
204 static u_int32_t
205 emu_rd(struct sc_info *sc, int regno, int size)
206 {
207 	switch (size) {
208 	case 1:
209 		return bus_space_read_1(sc->st, sc->sh, regno);
210 	case 2:
211 		return bus_space_read_2(sc->st, sc->sh, regno);
212 	case 4:
213 		return bus_space_read_4(sc->st, sc->sh, regno);
214 	default:
215 		return 0xffffffff;
216 	}
217 }
218 
219 static void
220 emu_wr(struct sc_info *sc, int regno, u_int32_t data, int size)
221 {
222 	switch (size) {
223 	case 1:
224 		bus_space_write_1(sc->st, sc->sh, regno, data);
225 		break;
226 	case 2:
227 		bus_space_write_2(sc->st, sc->sh, regno, data);
228 		break;
229 	case 4:
230 		bus_space_write_4(sc->st, sc->sh, regno, data);
231 		break;
232 	}
233 }
234 
235 static u_int32_t
236 emu_rdptr(struct sc_info *sc, int chn, int reg)
237 {
238 	u_int32_t ptr, val, mask, size, offset;
239 
240 	ptr = ((reg << 16) & sc->addrmask) | (chn & PTR_CHANNELNUM_MASK);
241 	emu_wr(sc, PTR, ptr, 4);
242 	val = emu_rd(sc, DATA, 4);
243 	if (reg & 0xff000000) {
244 		size = (reg >> 24) & 0x3f;
245 		offset = (reg >> 16) & 0x1f;
246 		mask = ((1 << size) - 1) << offset;
247 		val &= mask;
248 		val >>= offset;
249 	}
250 	return val;
251 }
252 
253 static void
254 emu_wrptr(struct sc_info *sc, int chn, int reg, u_int32_t data)
255 {
256 	u_int32_t ptr, mask, size, offset;
257 
258 	ptr = ((reg << 16) & sc->addrmask) | (chn & PTR_CHANNELNUM_MASK);
259 	emu_wr(sc, PTR, ptr, 4);
260 	if (reg & 0xff000000) {
261 		size = (reg >> 24) & 0x3f;
262 		offset = (reg >> 16) & 0x1f;
263 		mask = ((1 << size) - 1) << offset;
264 		data <<= offset;
265 		data &= mask;
266 		data |= emu_rd(sc, DATA, 4) & ~mask;
267 	}
268 	emu_wr(sc, DATA, data, 4);
269 }
270 
271 static void
272 emu_wrefx(struct sc_info *sc, unsigned int pc, unsigned int data)
273 {
274 	pc += sc->audigy ? AUDIGY_CODEBASE : MICROCODEBASE;
275 	emu_wrptr(sc, 0, pc, data);
276 }
277 
278 /* -------------------------------------------------------------------- */
279 /* ac97 codec */
280 /* no locking needed */
281 
282 static int
283 emu_rdcd(kobj_t obj, void *devinfo, int regno)
284 {
285 	struct sc_info *sc = (struct sc_info *)devinfo;
286 
287 	emu_wr(sc, AC97ADDRESS, regno, 1);
288 	return emu_rd(sc, AC97DATA, 2);
289 }
290 
291 static int
292 emu_wrcd(kobj_t obj, void *devinfo, int regno, u_int32_t data)
293 {
294 	struct sc_info *sc = (struct sc_info *)devinfo;
295 
296 	emu_wr(sc, AC97ADDRESS, regno, 1);
297 	emu_wr(sc, AC97DATA, data, 2);
298 	return 0;
299 }
300 
301 static kobj_method_t emu_ac97_methods[] = {
302 	KOBJMETHOD(ac97_read,		emu_rdcd),
303 	KOBJMETHOD(ac97_write,		emu_wrcd),
304 	{ 0, 0 }
305 };
306 AC97_DECLARE(emu_ac97);
307 
308 /* -------------------------------------------------------------------- */
309 /* stuff */
310 static int
311 emu_settimer(struct sc_info *sc)
312 {
313 	struct sc_pchinfo *pch;
314 	struct sc_rchinfo *rch;
315 	int i, tmp, rate;
316 
317 	rate = 0;
318 	for (i = 0; i < sc->nchans; i++) {
319 		pch = &sc->pch[i];
320 		if (pch->buffer) {
321 			tmp = (pch->spd * sndbuf_getbps(pch->buffer))
322 			    / pch->blksz;
323 			if (tmp > rate)
324 				rate = tmp;
325 		}
326 	}
327 
328 	for (i = 0; i < 3; i++) {
329 		rch = &sc->rch[i];
330 		if (rch->buffer) {
331 			tmp = (rch->spd * sndbuf_getbps(rch->buffer))
332 			    / rch->blksz;
333 			if (tmp > rate)
334 				rate = tmp;
335 		}
336 	}
337 	RANGE(rate, 48, 9600);
338 	sc->timerinterval = 48000 / rate;
339 	emu_wr(sc, TIMER, sc->timerinterval & 0x03ff, 2);
340 
341 	return sc->timerinterval;
342 }
343 
344 static int
345 emu_enatimer(struct sc_info *sc, int go)
346 {
347 	u_int32_t x;
348 	if (go) {
349 		if (sc->timer++ == 0) {
350 			x = emu_rd(sc, INTE, 4);
351 			x |= INTE_INTERVALTIMERENB;
352 			emu_wr(sc, INTE, x, 4);
353 		}
354 	} else {
355 		sc->timer = 0;
356 		x = emu_rd(sc, INTE, 4);
357 		x &= ~INTE_INTERVALTIMERENB;
358 		emu_wr(sc, INTE, x, 4);
359 	}
360 	return 0;
361 }
362 
363 static void
364 emu_enastop(struct sc_info *sc, char channel, int enable)
365 {
366 	int reg = (channel & 0x20) ? SOLEH : SOLEL;
367 	channel &= 0x1f;
368 	reg |= 1 << 24;
369 	reg |= channel << 16;
370 	emu_wrptr(sc, 0, reg, enable);
371 }
372 
373 static int
374 emu_recval(int speed) {
375 	int val;
376 
377 	val = 0;
378 	while (val < 7 && speed < adcspeed[val])
379 		val++;
380 	return val;
381 }
382 
383 static int
384 audigy_recval(int speed) {
385 	int val;
386 
387 	val = 0;
388 	while (val < 8 && speed < audigy_adcspeed[val])
389 		val++;
390 	return val;
391 }
392 
393 static u_int32_t
394 emu_rate_to_pitch(u_int32_t rate)
395 {
396 	static u_int32_t logMagTable[128] = {
397 		0x00000, 0x02dfc, 0x05b9e, 0x088e6, 0x0b5d6, 0x0e26f, 0x10eb3, 0x13aa2,
398 		0x1663f, 0x1918a, 0x1bc84, 0x1e72e, 0x2118b, 0x23b9a, 0x2655d, 0x28ed5,
399 		0x2b803, 0x2e0e8, 0x30985, 0x331db, 0x359eb, 0x381b6, 0x3a93d, 0x3d081,
400 		0x3f782, 0x41e42, 0x444c1, 0x46b01, 0x49101, 0x4b6c4, 0x4dc49, 0x50191,
401 		0x5269e, 0x54b6f, 0x57006, 0x59463, 0x5b888, 0x5dc74, 0x60029, 0x623a7,
402 		0x646ee, 0x66a00, 0x68cdd, 0x6af86, 0x6d1fa, 0x6f43c, 0x7164b, 0x73829,
403 		0x759d4, 0x77b4f, 0x79c9a, 0x7bdb5, 0x7dea1, 0x7ff5e, 0x81fed, 0x8404e,
404 		0x86082, 0x88089, 0x8a064, 0x8c014, 0x8df98, 0x8fef1, 0x91e20, 0x93d26,
405 		0x95c01, 0x97ab4, 0x9993e, 0x9b79f, 0x9d5d9, 0x9f3ec, 0xa11d8, 0xa2f9d,
406 		0xa4d3c, 0xa6ab5, 0xa8808, 0xaa537, 0xac241, 0xadf26, 0xafbe7, 0xb1885,
407 		0xb3500, 0xb5157, 0xb6d8c, 0xb899f, 0xba58f, 0xbc15e, 0xbdd0c, 0xbf899,
408 		0xc1404, 0xc2f50, 0xc4a7b, 0xc6587, 0xc8073, 0xc9b3f, 0xcb5ed, 0xcd07c,
409 		0xceaec, 0xd053f, 0xd1f73, 0xd398a, 0xd5384, 0xd6d60, 0xd8720, 0xda0c3,
410 		0xdba4a, 0xdd3b4, 0xded03, 0xe0636, 0xe1f4e, 0xe384a, 0xe512c, 0xe69f3,
411 		0xe829f, 0xe9b31, 0xeb3a9, 0xecc08, 0xee44c, 0xefc78, 0xf148a, 0xf2c83,
412 		0xf4463, 0xf5c2a, 0xf73da, 0xf8b71, 0xfa2f0, 0xfba57, 0xfd1a7, 0xfe8df
413 	};
414 	static char logSlopeTable[128] = {
415 		0x5c, 0x5c, 0x5b, 0x5a, 0x5a, 0x59, 0x58, 0x58,
416 		0x57, 0x56, 0x56, 0x55, 0x55, 0x54, 0x53, 0x53,
417 		0x52, 0x52, 0x51, 0x51, 0x50, 0x50, 0x4f, 0x4f,
418 		0x4e, 0x4d, 0x4d, 0x4d, 0x4c, 0x4c, 0x4b, 0x4b,
419 		0x4a, 0x4a, 0x49, 0x49, 0x48, 0x48, 0x47, 0x47,
420 		0x47, 0x46, 0x46, 0x45, 0x45, 0x45, 0x44, 0x44,
421 		0x43, 0x43, 0x43, 0x42, 0x42, 0x42, 0x41, 0x41,
422 		0x41, 0x40, 0x40, 0x40, 0x3f, 0x3f, 0x3f, 0x3e,
423 		0x3e, 0x3e, 0x3d, 0x3d, 0x3d, 0x3c, 0x3c, 0x3c,
424 		0x3b, 0x3b, 0x3b, 0x3b, 0x3a, 0x3a, 0x3a, 0x39,
425 		0x39, 0x39, 0x39, 0x38, 0x38, 0x38, 0x38, 0x37,
426 		0x37, 0x37, 0x37, 0x36, 0x36, 0x36, 0x36, 0x35,
427 		0x35, 0x35, 0x35, 0x34, 0x34, 0x34, 0x34, 0x34,
428 		0x33, 0x33, 0x33, 0x33, 0x32, 0x32, 0x32, 0x32,
429 		0x32, 0x31, 0x31, 0x31, 0x31, 0x31, 0x30, 0x30,
430 		0x30, 0x30, 0x30, 0x2f, 0x2f, 0x2f, 0x2f, 0x2f
431 	};
432 	int i;
433 
434 	if (rate == 0)
435 		return 0;	/* Bail out if no leading "1" */
436 	rate *= 11185;	/* Scale 48000 to 0x20002380 */
437 	for (i = 31; i > 0; i--) {
438 		if (rate & 0x80000000) {	/* Detect leading "1" */
439 			return (((u_int32_t) (i - 15) << 20) +
440 			    logMagTable[0x7f & (rate >> 24)] +
441 			    (0x7f & (rate >> 17)) *
442 			    logSlopeTable[0x7f & (rate >> 24)]);
443 		}
444 		rate <<= 1;
445 	}
446 
447 	return 0;		/* Should never reach this point */
448 }
449 
450 static u_int32_t
451 emu_rate_to_linearpitch(u_int32_t rate)
452 {
453 	rate = (rate << 8) / 375;
454 	return (rate >> 1) + (rate & 1);
455 }
456 
457 static struct emu_voice *
458 emu_valloc(struct sc_info *sc)
459 {
460 	struct emu_voice *v;
461 	int i;
462 
463 	v = NULL;
464 	for (i = 0; i < 64 && sc->voice[i].busy; i++);
465 	if (i < 64) {
466 		v = &sc->voice[i];
467 		v->busy = 1;
468 	}
469 	return v;
470 }
471 
472 static int
473 emu_vinit(struct sc_info *sc, struct emu_voice *m, struct emu_voice *s,
474 	  u_int32_t sz, struct snd_dbuf *b)
475 {
476 	void *buf;
477 	bus_addr_t tmp_addr;
478 
479 	buf = emu_memalloc(sc, sz, &tmp_addr);
480 	if (buf == NULL)
481 		return -1;
482 	if (b != NULL)
483 		sndbuf_setup(b, buf, sz);
484 	m->start = emu_memstart(sc, buf) * EMUPAGESIZE;
485 	m->end = m->start + sz;
486 	m->channel = NULL;
487 	m->speed = 0;
488 	m->b16 = 0;
489 	m->stereo = 0;
490 	m->running = 0;
491 	m->ismaster = 1;
492 	m->vol = 0xff;
493 	m->buf = tmp_addr;
494 	m->slave = s;
495 	if (sc->audigy) {
496 		m->fxrt1 = FXBUS_MIDI_CHORUS | FXBUS_PCM_LEFT << 8 |
497 		    FXBUS_PCM_RIGHT << 16 | FXBUS_MIDI_REVERB << 24;
498 		m->fxrt2 = 0x3f3f3f3f;	/* No effects on second route */
499 	} else {
500 		m->fxrt1 = FXBUS_MIDI_CHORUS | FXBUS_PCM_LEFT << 4 |
501 		    FXBUS_PCM_RIGHT << 8 | FXBUS_MIDI_REVERB << 12;
502 		m->fxrt2 = 0;
503 	}
504 
505 	if (s != NULL) {
506 		s->start = m->start;
507 		s->end = m->end;
508 		s->channel = NULL;
509 		s->speed = 0;
510 		s->b16 = 0;
511 		s->stereo = 0;
512 		s->running = 0;
513 		s->ismaster = 0;
514 		s->vol = m->vol;
515 		s->buf = m->buf;
516 		s->fxrt1 = m->fxrt1;
517 		s->fxrt2 = m->fxrt2;
518 		s->slave = NULL;
519 	}
520 	return 0;
521 }
522 
523 static void
524 emu_vsetup(struct sc_pchinfo *ch)
525 {
526 	struct emu_voice *v = ch->master;
527 
528 	if (ch->fmt) {
529 		v->b16 = (ch->fmt & AFMT_16BIT) ? 1 : 0;
530 		v->stereo = (ch->fmt & AFMT_STEREO) ? 1 : 0;
531 		if (v->slave != NULL) {
532 			v->slave->b16 = v->b16;
533 			v->slave->stereo = v->stereo;
534 		}
535 	}
536 	if (ch->spd) {
537 		v->speed = ch->spd;
538 		if (v->slave != NULL)
539 			v->slave->speed = v->speed;
540 	}
541 }
542 
543 static void
544 emu_vwrite(struct sc_info *sc, struct emu_voice *v)
545 {
546 	int s;
547 	int l, r, x, y;
548 	u_int32_t sa, ea, start, val, silent_page;
549 
550 	s = (v->stereo ? 1 : 0) + (v->b16 ? 1 : 0);
551 
552 	sa = v->start >> s;
553 	ea = v->end >> s;
554 
555 	l = r = x = y = v->vol;
556 	if (v->stereo) {
557 		l = v->ismaster ? l : 0;
558 		r = v->ismaster ? 0 : r;
559 	}
560 
561 	emu_wrptr(sc, v->vnum, CPF, v->stereo ? CPF_STEREO_MASK : 0);
562 	val = v->stereo ? 28 : 30;
563 	val *= v->b16 ? 1 : 2;
564 	start = sa + val;
565 
566 	if (sc->audigy) {
567 		emu_wrptr(sc, v->vnum, A_FXRT1, v->fxrt1);
568 		emu_wrptr(sc, v->vnum, A_FXRT2, v->fxrt2);
569 		emu_wrptr(sc, v->vnum, A_SENDAMOUNTS, 0);
570 	}
571 	else
572 		emu_wrptr(sc, v->vnum, FXRT, v->fxrt1 << 16);
573 
574 	emu_wrptr(sc, v->vnum, PTRX, (x << 8) | r);
575 	emu_wrptr(sc, v->vnum, DSL, ea | (y << 24));
576 	emu_wrptr(sc, v->vnum, PSST, sa | (l << 24));
577 	emu_wrptr(sc, v->vnum, CCCA, start | (v->b16 ? 0 : CCCA_8BITSELECT));
578 
579 	emu_wrptr(sc, v->vnum, Z1, 0);
580 	emu_wrptr(sc, v->vnum, Z2, 0);
581 
582 	silent_page = ((u_int32_t)(sc->mem.silent_page_addr) << 1)
583 	    | MAP_PTI_MASK;
584 	emu_wrptr(sc, v->vnum, MAPA, silent_page);
585 	emu_wrptr(sc, v->vnum, MAPB, silent_page);
586 
587 	emu_wrptr(sc, v->vnum, CVCF, CVCF_CURRENTFILTER_MASK);
588 	emu_wrptr(sc, v->vnum, VTFT, VTFT_FILTERTARGET_MASK);
589 	emu_wrptr(sc, v->vnum, ATKHLDM, 0);
590 	emu_wrptr(sc, v->vnum, DCYSUSM, DCYSUSM_DECAYTIME_MASK);
591 	emu_wrptr(sc, v->vnum, LFOVAL1, 0x8000);
592 	emu_wrptr(sc, v->vnum, LFOVAL2, 0x8000);
593 	emu_wrptr(sc, v->vnum, FMMOD, 0);
594 	emu_wrptr(sc, v->vnum, TREMFRQ, 0);
595 	emu_wrptr(sc, v->vnum, FM2FRQ2, 0);
596 	emu_wrptr(sc, v->vnum, ENVVAL, 0x8000);
597 
598 	emu_wrptr(sc, v->vnum, ATKHLDV,
599 	    ATKHLDV_HOLDTIME_MASK | ATKHLDV_ATTACKTIME_MASK);
600 	emu_wrptr(sc, v->vnum, ENVVOL, 0x8000);
601 
602 	emu_wrptr(sc, v->vnum, PEFE_FILTERAMOUNT, 0x7f);
603 	emu_wrptr(sc, v->vnum, PEFE_PITCHAMOUNT, 0);
604 
605 	if (v->slave != NULL)
606 		emu_vwrite(sc, v->slave);
607 }
608 
609 static void
610 emu_vtrigger(struct sc_info *sc, struct emu_voice *v, int go)
611 {
612 	u_int32_t pitch_target, initial_pitch;
613 	u_int32_t cra, cs, ccis;
614 	u_int32_t sample, i;
615 
616 	if (go) {
617 		cra = 64;
618 		cs = v->stereo ? 4 : 2;
619 		ccis = v->stereo ? 28 : 30;
620 		ccis *= v->b16 ? 1 : 2;
621 		sample = v->b16 ? 0x00000000 : 0x80808080;
622 
623 		for (i = 0; i < cs; i++)
624 			emu_wrptr(sc, v->vnum, CD0 + i, sample);
625 		emu_wrptr(sc, v->vnum, CCR_CACHEINVALIDSIZE, 0);
626 		emu_wrptr(sc, v->vnum, CCR_READADDRESS, cra);
627 		emu_wrptr(sc, v->vnum, CCR_CACHEINVALIDSIZE, ccis);
628 
629 		emu_wrptr(sc, v->vnum, IFATN, 0xff00);
630 		emu_wrptr(sc, v->vnum, VTFT, 0xffffffff);
631 		emu_wrptr(sc, v->vnum, CVCF, 0xffffffff);
632 		emu_wrptr(sc, v->vnum, DCYSUSV, 0x00007f7f);
633 		emu_enastop(sc, v->vnum, 0);
634 
635 		pitch_target = emu_rate_to_linearpitch(v->speed);
636 		initial_pitch = emu_rate_to_pitch(v->speed) >> 8;
637 		emu_wrptr(sc, v->vnum, PTRX_PITCHTARGET, pitch_target);
638 		emu_wrptr(sc, v->vnum, CPF_CURRENTPITCH, pitch_target);
639 		emu_wrptr(sc, v->vnum, IP, initial_pitch);
640 	} else {
641 		emu_wrptr(sc, v->vnum, PTRX_PITCHTARGET, 0);
642 		emu_wrptr(sc, v->vnum, CPF_CURRENTPITCH, 0);
643 		emu_wrptr(sc, v->vnum, IFATN, 0xffff);
644 		emu_wrptr(sc, v->vnum, VTFT, 0x0000ffff);
645 		emu_wrptr(sc, v->vnum, CVCF, 0x0000ffff);
646 		emu_wrptr(sc, v->vnum, IP, 0);
647 		emu_enastop(sc, v->vnum, 1);
648 	}
649 	if (v->slave != NULL)
650 		emu_vtrigger(sc, v->slave, go);
651 }
652 
653 static int
654 emu_vpos(struct sc_info *sc, struct emu_voice *v)
655 {
656 	int s, ptr;
657 
658 	s = (v->b16 ? 1 : 0) + (v->stereo ? 1 : 0);
659 	ptr = (emu_rdptr(sc, v->vnum, CCCA_CURRADDR) - (v->start >> s)) << s;
660 	return ptr & ~0x0000001f;
661 }
662 
663 #ifdef EMUDEBUG
664 static void
665 emu_vdump(struct sc_info *sc, struct emu_voice *v)
666 {
667 	char *regname[] = {
668 		"cpf", "ptrx", "cvcf", "vtft", "z2", "z1", "psst", "dsl",
669 		"ccca", "ccr", "clp", "fxrt", "mapa", "mapb", NULL, NULL,
670 		"envvol", "atkhldv", "dcysusv", "lfoval1",
671 		"envval", "atkhldm", "dcysusm", "lfoval2",
672 		"ip", "ifatn", "pefe", "fmmod", "tremfrq", "fmfrq2",
673 		"tempenv"
674 	};
675 	char *regname2[] = {
676 		"mudata1", "mustat1", "mudata2", "mustat2",
677 		"fxwc1", "fxwc2", "spdrate", NULL, NULL,
678 		NULL, NULL, NULL, "fxrt2", "sndamnt", "fxrt1",
679 		NULL, NULL
680 	};
681 	int i, x;
682 
683 	printf("voice number %d\n", v->vnum);
684 	for (i = 0, x = 0; i <= 0x1e; i++) {
685 		if (regname[i] == NULL)
686 			continue;
687 		printf("%s\t[%08x]", regname[i], emu_rdptr(sc, v->vnum, i));
688 		printf("%s", (x == 2) ? "\n" : "\t");
689 		x++;
690 		if (x > 2)
691 			x = 0;
692 	}
693 
694 	/* Print out audigy extra registers */
695 	if (sc->audigy) {
696 		for (i = 0; i <= 0xe; i++) {
697 			if (regname2[i] == NULL)
698 				continue;
699 			printf("%s\t[%08x]", regname2[i],
700 			    emu_rdptr(sc, v->vnum, i + 0x70));
701 			printf("%s", (x == 2)? "\n" : "\t");
702 			x++;
703 			if (x > 2)
704 				x = 0;
705 		}
706 	}
707 	printf("\n\n");
708 }
709 #endif
710 
711 /* channel interface */
712 static void *
713 emupchan_init(kobj_t obj, void *devinfo, struct snd_dbuf *b,
714     struct pcm_channel *c, int dir)
715 {
716 	struct sc_info *sc = devinfo;
717 	struct sc_pchinfo *ch;
718 	void *r;
719 
720 	KASSERT(dir == PCMDIR_PLAY, ("emupchan_init: bad direction"));
721 	ch = &sc->pch[sc->pnum++];
722 	ch->buffer = b;
723 	ch->parent = sc;
724 	ch->channel = c;
725 	ch->blksz = sc->bufsz / 2;
726 	ch->fmt = AFMT_U8;
727 	ch->spd = 8000;
728 	snd_mtxlock(sc->lock);
729 	ch->master = emu_valloc(sc);
730 	ch->slave = emu_valloc(sc);
731 	snd_mtxunlock(sc->lock);
732 	r = (emu_vinit(sc, ch->master, ch->slave, sc->bufsz, ch->buffer))
733 	    ? NULL : ch;
734 
735 	return r;
736 }
737 
738 static int
739 emupchan_free(kobj_t obj, void *data)
740 {
741 	struct sc_pchinfo *ch = data;
742 	struct sc_info *sc = ch->parent;
743 	int r;
744 
745 	snd_mtxlock(sc->lock);
746 	r = emu_memfree(sc, sndbuf_getbuf(ch->buffer));
747 	snd_mtxunlock(sc->lock);
748 
749 	return r;
750 }
751 
752 static int
753 emupchan_setformat(kobj_t obj, void *data, u_int32_t format)
754 {
755 	struct sc_pchinfo *ch = data;
756 
757 	ch->fmt = format;
758 	return 0;
759 }
760 
761 static int
762 emupchan_setspeed(kobj_t obj, void *data, u_int32_t speed)
763 {
764 	struct sc_pchinfo *ch = data;
765 
766 	ch->spd = speed;
767 	return ch->spd;
768 }
769 
770 static int
771 emupchan_setblocksize(kobj_t obj, void *data, u_int32_t blocksize)
772 {
773 	struct sc_pchinfo *ch = data;
774 	struct sc_info *sc = ch->parent;
775 	int irqrate, blksz;
776 
777 	ch->blksz = blocksize;
778 	snd_mtxlock(sc->lock);
779 	emu_settimer(sc);
780 	irqrate = 48000 / sc->timerinterval;
781 	snd_mtxunlock(sc->lock);
782 	blksz = (ch->spd * sndbuf_getbps(ch->buffer)) / irqrate;
783 	return blocksize;
784 }
785 
786 static int
787 emupchan_trigger(kobj_t obj, void *data, int go)
788 {
789 	struct sc_pchinfo *ch = data;
790 	struct sc_info *sc = ch->parent;
791 
792 	if (go == PCMTRIG_EMLDMAWR || go == PCMTRIG_EMLDMARD)
793 		return 0;
794 
795 	snd_mtxlock(sc->lock);
796 	if (go == PCMTRIG_START) {
797 		emu_vsetup(ch);
798 		emu_vwrite(sc, ch->master);
799 		emu_settimer(sc);
800 		emu_enatimer(sc, 1);
801 #ifdef EMUDEBUG
802 		printf("start [%d bit, %s, %d hz]\n",
803 			ch->master->b16 ? 16 : 8,
804 			ch->master->stereo ? "stereo" : "mono",
805 			ch->master->speed);
806 		emu_vdump(sc, ch->master);
807 		emu_vdump(sc, ch->slave);
808 #endif
809 	}
810 	ch->run = (go == PCMTRIG_START) ? 1 : 0;
811 	emu_vtrigger(sc, ch->master, ch->run);
812 	snd_mtxunlock(sc->lock);
813 	return 0;
814 }
815 
816 static int
817 emupchan_getptr(kobj_t obj, void *data)
818 {
819 	struct sc_pchinfo *ch = data;
820 	struct sc_info *sc = ch->parent;
821 	int r;
822 
823 	snd_mtxlock(sc->lock);
824 	r = emu_vpos(sc, ch->master);
825 	snd_mtxunlock(sc->lock);
826 
827 	return r;
828 }
829 
830 static struct pcmchan_caps *
831 emupchan_getcaps(kobj_t obj, void *data)
832 {
833 	return &emu_playcaps;
834 }
835 
836 static kobj_method_t emupchan_methods[] = {
837 	KOBJMETHOD(channel_init,		emupchan_init),
838 	KOBJMETHOD(channel_free,		emupchan_free),
839 	KOBJMETHOD(channel_setformat,		emupchan_setformat),
840 	KOBJMETHOD(channel_setspeed,		emupchan_setspeed),
841 	KOBJMETHOD(channel_setblocksize,	emupchan_setblocksize),
842 	KOBJMETHOD(channel_trigger,		emupchan_trigger),
843 	KOBJMETHOD(channel_getptr,		emupchan_getptr),
844 	KOBJMETHOD(channel_getcaps,		emupchan_getcaps),
845 	{ 0, 0 }
846 };
847 CHANNEL_DECLARE(emupchan);
848 
849 /* channel interface */
850 static void *
851 emurchan_init(kobj_t obj, void *devinfo, struct snd_dbuf *b,
852     struct pcm_channel *c, int dir)
853 {
854 	struct sc_info *sc = devinfo;
855 	struct sc_rchinfo *ch;
856 
857 	KASSERT(dir == PCMDIR_REC, ("emurchan_init: bad direction"));
858 	ch = &sc->rch[sc->rnum];
859 	ch->buffer = b;
860 	ch->parent = sc;
861 	ch->channel = c;
862 	ch->blksz = sc->bufsz / 2;
863 	ch->fmt = AFMT_U8;
864 	ch->spd = 8000;
865 	ch->num = sc->rnum;
866 	switch(sc->rnum) {
867 	case 0:
868 		ch->idxreg = sc->audigy ? A_ADCIDX : ADCIDX;
869 		ch->basereg = ADCBA;
870 		ch->sizereg = ADCBS;
871 		ch->setupreg = ADCCR;
872 		ch->irqmask = INTE_ADCBUFENABLE;
873 		break;
874 
875 	case 1:
876 		ch->idxreg = FXIDX;
877 		ch->basereg = FXBA;
878 		ch->sizereg = FXBS;
879 		ch->setupreg = FXWC;
880 		ch->irqmask = INTE_EFXBUFENABLE;
881 		break;
882 
883 	case 2:
884 		ch->idxreg = MICIDX;
885 		ch->basereg = MICBA;
886 		ch->sizereg = MICBS;
887 		ch->setupreg = 0;
888 		ch->irqmask = INTE_MICBUFENABLE;
889 		break;
890 	}
891 	sc->rnum++;
892 	if (sndbuf_alloc(ch->buffer, sc->parent_dmat, sc->bufsz) == -1)
893 		return NULL;
894 	else {
895 		snd_mtxlock(sc->lock);
896 		emu_wrptr(sc, 0, ch->basereg, sndbuf_getbufaddr(ch->buffer));
897 		emu_wrptr(sc, 0, ch->sizereg, 0); /* off */
898 		snd_mtxunlock(sc->lock);
899 		return ch;
900 	}
901 }
902 
903 static int
904 emurchan_setformat(kobj_t obj, void *data, u_int32_t format)
905 {
906 	struct sc_rchinfo *ch = data;
907 
908 	ch->fmt = format;
909 	return 0;
910 }
911 
912 static int
913 emurchan_setspeed(kobj_t obj, void *data, u_int32_t speed)
914 {
915 	struct sc_rchinfo *ch = data;
916 
917 	if (ch->num == 0) {
918 		if (ch->parent->audigy)
919 			speed = audigy_adcspeed[audigy_recval(speed)];
920 		else
921 			speed = adcspeed[emu_recval(speed)];
922 	}
923 	if (ch->num == 1)
924 		speed = 48000;
925 	if (ch->num == 2)
926 		speed = 8000;
927 	ch->spd = speed;
928 	return ch->spd;
929 }
930 
931 static int
932 emurchan_setblocksize(kobj_t obj, void *data, u_int32_t blocksize)
933 {
934 	struct sc_rchinfo *ch = data;
935 	struct sc_info *sc = ch->parent;
936 	int irqrate, blksz;
937 
938 	ch->blksz = blocksize;
939 	snd_mtxlock(sc->lock);
940 	emu_settimer(sc);
941 	irqrate = 48000 / sc->timerinterval;
942 	snd_mtxunlock(sc->lock);
943 	blksz = (ch->spd * sndbuf_getbps(ch->buffer)) / irqrate;
944 	return blocksize;
945 }
946 
947 /* semantic note: must start at beginning of buffer */
948 static int
949 emurchan_trigger(kobj_t obj, void *data, int go)
950 {
951 	struct sc_rchinfo *ch = data;
952 	struct sc_info *sc = ch->parent;
953 	u_int32_t val, sz;
954 
955 	switch(sc->bufsz) {
956 	case 4096:
957 		sz = ADCBS_BUFSIZE_4096;
958 		break;
959 
960 	case 8192:
961 		sz = ADCBS_BUFSIZE_8192;
962 		break;
963 
964 	case 16384:
965 		sz = ADCBS_BUFSIZE_16384;
966 		break;
967 
968 	case 32768:
969 		sz = ADCBS_BUFSIZE_32768;
970 		break;
971 
972 	case 65536:
973 		sz = ADCBS_BUFSIZE_65536;
974 		break;
975 
976 	default:
977 		sz = ADCBS_BUFSIZE_4096;
978 	}
979 
980 	snd_mtxlock(sc->lock);
981 	switch(go) {
982 	case PCMTRIG_START:
983 		ch->run = 1;
984 		emu_wrptr(sc, 0, ch->sizereg, sz);
985 		if (ch->num == 0) {
986 			if (sc->audigy) {
987 				val = A_ADCCR_LCHANENABLE;
988 				if (ch->fmt & AFMT_STEREO)
989 					val |= A_ADCCR_RCHANENABLE;
990 				val |= audigy_recval(ch->spd);
991 			} else {
992 				val = ADCCR_LCHANENABLE;
993 				if (ch->fmt & AFMT_STEREO)
994 					val |= ADCCR_RCHANENABLE;
995 				val |= emu_recval(ch->spd);
996 			}
997 
998 			emu_wrptr(sc, 0, ch->setupreg, 0);
999 			emu_wrptr(sc, 0, ch->setupreg, val);
1000 		}
1001 		val = emu_rd(sc, INTE, 4);
1002 		val |= ch->irqmask;
1003 		emu_wr(sc, INTE, val, 4);
1004 		break;
1005 
1006 	case PCMTRIG_STOP:
1007 	case PCMTRIG_ABORT:
1008 		ch->run = 0;
1009 		emu_wrptr(sc, 0, ch->sizereg, 0);
1010 		if (ch->setupreg)
1011 			emu_wrptr(sc, 0, ch->setupreg, 0);
1012 		val = emu_rd(sc, INTE, 4);
1013 		val &= ~ch->irqmask;
1014 		emu_wr(sc, INTE, val, 4);
1015 		break;
1016 
1017 	case PCMTRIG_EMLDMAWR:
1018 	case PCMTRIG_EMLDMARD:
1019 	default:
1020 		break;
1021 	}
1022 	snd_mtxunlock(sc->lock);
1023 
1024 	return 0;
1025 }
1026 
1027 static int
1028 emurchan_getptr(kobj_t obj, void *data)
1029 {
1030 	struct sc_rchinfo *ch = data;
1031 	struct sc_info *sc = ch->parent;
1032 	int r;
1033 
1034 	snd_mtxlock(sc->lock);
1035 	r = emu_rdptr(sc, 0, ch->idxreg) & 0x0000ffff;
1036 	snd_mtxunlock(sc->lock);
1037 
1038 	return r;
1039 }
1040 
1041 static struct pcmchan_caps *
1042 emurchan_getcaps(kobj_t obj, void *data)
1043 {
1044 	struct sc_rchinfo *ch = data;
1045 
1046 	return &emu_reccaps[ch->num];
1047 }
1048 
1049 static kobj_method_t emurchan_methods[] = {
1050 	KOBJMETHOD(channel_init,		emurchan_init),
1051 	KOBJMETHOD(channel_setformat,		emurchan_setformat),
1052 	KOBJMETHOD(channel_setspeed,		emurchan_setspeed),
1053 	KOBJMETHOD(channel_setblocksize,	emurchan_setblocksize),
1054 	KOBJMETHOD(channel_trigger,		emurchan_trigger),
1055 	KOBJMETHOD(channel_getptr,		emurchan_getptr),
1056 	KOBJMETHOD(channel_getcaps,		emurchan_getcaps),
1057 	{ 0, 0 }
1058 };
1059 CHANNEL_DECLARE(emurchan);
1060 
1061 /* -------------------------------------------------------------------- */
1062 /* The interrupt handler */
1063 static void
1064 emu_intr(void *p)
1065 {
1066 	struct sc_info *sc = (struct sc_info *)p;
1067 	u_int32_t stat, ack, i, x;
1068 
1069 	while (1) {
1070 		stat = emu_rd(sc, IPR, 4);
1071 		if (stat == 0)
1072 			break;
1073 		ack = 0;
1074 
1075 		/* process irq */
1076 		if (stat & IPR_INTERVALTIMER) {
1077 			ack |= IPR_INTERVALTIMER;
1078 			x = 0;
1079 			for (i = 0; i < sc->nchans; i++) {
1080 				if (sc->pch[i].run) {
1081 					x = 1;
1082 					chn_intr(sc->pch[i].channel);
1083 				}
1084 			}
1085 			if (x == 0)
1086 				emu_enatimer(sc, 0);
1087 		}
1088 
1089 
1090 		if (stat & (IPR_ADCBUFFULL | IPR_ADCBUFHALFFULL)) {
1091 			ack |= stat & (IPR_ADCBUFFULL | IPR_ADCBUFHALFFULL);
1092 			if (sc->rch[0].channel)
1093 				chn_intr(sc->rch[0].channel);
1094 		}
1095 		if (stat & (IPR_EFXBUFFULL | IPR_EFXBUFHALFFULL)) {
1096 			ack |= stat & (IPR_EFXBUFFULL | IPR_EFXBUFHALFFULL);
1097 			if (sc->rch[1].channel)
1098 				chn_intr(sc->rch[1].channel);
1099 		}
1100 		if (stat & (IPR_MICBUFFULL | IPR_MICBUFHALFFULL)) {
1101 			ack |= stat & (IPR_MICBUFFULL | IPR_MICBUFHALFFULL);
1102 			if (sc->rch[2].channel)
1103 				chn_intr(sc->rch[2].channel);
1104 		}
1105 		if (stat & IPR_PCIERROR) {
1106 			ack |= IPR_PCIERROR;
1107 			device_printf(sc->dev, "pci error\n");
1108 			/* we still get an nmi with ecc ram even if we ack this */
1109 		}
1110 		if (stat & IPR_SAMPLERATETRACKER) {
1111 			ack |= IPR_SAMPLERATETRACKER;
1112 #ifdef EMUDEBUG
1113 			device_printf(sc->dev,
1114 			    "sample rate tracker lock status change\n");
1115 #endif
1116 		}
1117 
1118 		if (stat & ~ack)
1119 			device_printf(sc->dev, "dodgy irq: %x (harmless)\n", stat & ~ack);
1120 
1121 		emu_wr(sc, IPR, stat, 4);
1122 	}
1123 }
1124 
1125 /* -------------------------------------------------------------------- */
1126 
1127 static void
1128 emu_setmap(void *arg, bus_dma_segment_t *segs, int nseg, int error)
1129 {
1130 	bus_addr_t *phys = arg;
1131 
1132 	*phys = error ? 0 : (bus_addr_t)segs->ds_addr;
1133 
1134 	if (bootverbose) {
1135 		printf("emu: setmap (%lx, %lx), nseg=%d, error=%d\n",
1136 		    (unsigned long)segs->ds_addr, (unsigned long)segs->ds_len,
1137 		    nseg, error);
1138 	}
1139 }
1140 
1141 static void *
1142 emu_malloc(struct sc_info *sc, u_int32_t sz, bus_addr_t *addr)
1143 {
1144 	void *buf;
1145 	bus_dmamap_t map;
1146 
1147 	*addr = 0;
1148 	if (bus_dmamem_alloc(sc->parent_dmat, &buf, BUS_DMA_NOWAIT, &map))
1149 		return NULL;
1150 	if (bus_dmamap_load(sc->parent_dmat, map, buf, sz, emu_setmap, addr, 0)
1151 	    || !*addr)
1152 		return NULL;
1153 	return buf;
1154 }
1155 
1156 static void
1157 emu_free(struct sc_info *sc, void *buf)
1158 {
1159 	bus_dmamem_free(sc->parent_dmat, buf, NULL);
1160 }
1161 
1162 static void *
1163 emu_memalloc(struct sc_info *sc, u_int32_t sz, bus_addr_t *addr)
1164 {
1165 	u_int32_t blksz, start, idx, ofs, tmp, found;
1166 	struct emu_mem *mem = &sc->mem;
1167 	struct emu_memblk *blk;
1168 	void *buf;
1169 
1170 	blksz = sz / EMUPAGESIZE;
1171 	if (sz > (blksz * EMUPAGESIZE))
1172 		blksz++;
1173 	/* find a free block in the bitmap */
1174 	found = 0;
1175 	start = 1;
1176 	while (!found && start + blksz < EMUMAXPAGES) {
1177 		found = 1;
1178 		for (idx = start; idx < start + blksz; idx++)
1179 			if (mem->bmap[idx >> 3] & (1 << (idx & 7)))
1180 				found = 0;
1181 		if (!found)
1182 			start++;
1183 	}
1184 	if (!found)
1185 		return NULL;
1186 	blk = malloc(sizeof(*blk), M_DEVBUF, M_NOWAIT);
1187 	if (blk == NULL)
1188 		return NULL;
1189 	buf = emu_malloc(sc, sz, &blk->buf_addr);
1190 	*addr = blk->buf_addr;
1191 	if (buf == NULL) {
1192 		free(blk, M_DEVBUF);
1193 		return NULL;
1194 	}
1195 	blk->buf = buf;
1196 	blk->pte_start = start;
1197 	blk->pte_size = blksz;
1198 #ifdef EMUDEBUG
1199 	printf("buf %p, pte_start %d, pte_size %d\n", blk->buf,
1200 	    blk->pte_start, blk->pte_size);
1201 #endif
1202 	ofs = 0;
1203 	for (idx = start; idx < start + blksz; idx++) {
1204 		mem->bmap[idx >> 3] |= 1 << (idx & 7);
1205 		tmp = (u_int32_t)(u_long)((u_int8_t *)blk->buf_addr + ofs);
1206 #ifdef EMUDEBUG
1207 		printf("pte[%d] -> %x phys, %x virt\n", idx, tmp,
1208 		    ((u_int32_t)buf) + ofs);
1209 #endif
1210 		mem->ptb_pages[idx] = (tmp << 1) | idx;
1211 		ofs += EMUPAGESIZE;
1212 	}
1213 	SLIST_INSERT_HEAD(&mem->blocks, blk, link);
1214 	return buf;
1215 }
1216 
1217 static int
1218 emu_memfree(struct sc_info *sc, void *buf)
1219 {
1220 	u_int32_t idx, tmp;
1221 	struct emu_mem *mem = &sc->mem;
1222 	struct emu_memblk *blk, *i;
1223 
1224 	blk = NULL;
1225 	SLIST_FOREACH(i, &mem->blocks, link) {
1226 		if (i->buf == buf)
1227 			blk = i;
1228 	}
1229 	if (blk == NULL)
1230 		return EINVAL;
1231 	SLIST_REMOVE(&mem->blocks, blk, emu_memblk, link);
1232 	emu_free(sc, buf);
1233 	tmp = (u_int32_t)(sc->mem.silent_page_addr) << 1;
1234 	for (idx = blk->pte_start; idx < blk->pte_start + blk->pte_size; idx++) {
1235 		mem->bmap[idx >> 3] &= ~(1 << (idx & 7));
1236 		mem->ptb_pages[idx] = tmp | idx;
1237 	}
1238 	free(blk, M_DEVBUF);
1239 	return 0;
1240 }
1241 
1242 static int
1243 emu_memstart(struct sc_info *sc, void *buf)
1244 {
1245 	struct emu_mem *mem = &sc->mem;
1246 	struct emu_memblk *blk, *i;
1247 
1248 	blk = NULL;
1249 	SLIST_FOREACH(i, &mem->blocks, link) {
1250 		if (i->buf == buf)
1251 			blk = i;
1252 	}
1253 	if (blk == NULL)
1254 		return -EINVAL;
1255 	return blk->pte_start;
1256 }
1257 
1258 static void
1259 emu_addefxop(struct sc_info *sc, int op, int z, int w, int x, int y,
1260     u_int32_t *pc)
1261 {
1262 	emu_wrefx(sc, (*pc) * 2, (x << 10) | y);
1263 	emu_wrefx(sc, (*pc) * 2 + 1, (op << 20) | (z << 10) | w);
1264 	(*pc)++;
1265 }
1266 
1267 static void
1268 audigy_addefxop(struct sc_info *sc, int op, int z, int w, int x, int y,
1269     u_int32_t *pc)
1270 {
1271 	emu_wrefx(sc, (*pc) * 2, (x << 12) | y);
1272 	emu_wrefx(sc, (*pc) * 2 + 1, (op << 24) | (z << 12) | w);
1273 	(*pc)++;
1274 }
1275 
1276 static void
1277 audigy_initefx(struct sc_info *sc)
1278 {
1279 	int i;
1280 	u_int32_t pc = 0;
1281 
1282 	/* skip 0, 0, -1, 0 - NOPs */
1283 	for (i = 0; i < 512; i++)
1284 		audigy_addefxop(sc, 0x0f, 0x0c0, 0x0c0, 0x0cf, 0x0c0, &pc);
1285 
1286 	for (i = 0; i < 512; i++)
1287 		emu_wrptr(sc, 0, A_FXGPREGBASE + i, 0x0);
1288 
1289 	pc = 16;
1290 
1291 	/* stop fx processor */
1292 	emu_wrptr(sc, 0, A_DBG, A_DBG_SINGLE_STEP);
1293 
1294 	/* Audigy 2 (EMU10K2) DSP Registers:
1295 	   FX Bus
1296 		0x000-0x00f : 16 registers (???)
1297 	   Input
1298 		0x040/0x041 : AC97 Codec (l/r)
1299 		0x042/0x043 : ADC, S/PDIF (l/r)
1300 		0x044/0x045 : Optical S/PDIF in (l/r)
1301 		0x046/0x047 : ???
1302 		0x048/0x049 : Line/Mic 2 (l/r)
1303 		0x04a/0x04b : RCA S/PDIF (l/r)
1304 		0x04c/0x04d : Aux 2 (l/r)
1305 	   Output
1306 		0x060/0x061 : Digital Front (l/r)
1307 		0x062/0x063 : Digital Center/LFE
1308 		0x064/0x065 : AudigyDrive Heaphone (l/r)
1309 		0x066/0x067 : Digital Rear (l/r)
1310 		0x068/0x069 : Analog Front (l/r)
1311 		0x06a/0x06b : Analog Center/LFE
1312 		0x06c/0x06d : ???
1313 		0x06e/0x06f : Analog Rear (l/r)
1314 		0x070/0x071 : AC97 Output (l/r)
1315 		0x072/0x073 : ???
1316 		0x074/0x075 : ???
1317 		0x076/0x077 : ADC Recording Buffer (l/r)
1318 	   Constants
1319 		0x0c0 - 0x0c4 = 0 - 4
1320 		0x0c5 = 0x8, 0x0c6 = 0x10, 0x0c7 = 0x20
1321 		0x0c8 = 0x100, 0x0c9 = 0x10000, 0x0ca = 0x80000
1322 		0x0cb = 0x10000000, 0x0cc = 0x20000000, 0x0cd = 0x40000000
1323 		0x0ce = 0x80000000, 0x0cf = 0x7fffffff, 0x0d0 = 0xffffffff
1324 		0x0d1 = 0xfffffffe, 0x0d2 = 0xc0000000, 0x0d3 = 0x41fbbcdc
1325 		0x0d4 = 0x5a7ef9db, 0x0d5 = 0x00100000, 0x0dc = 0x00000001 (???)
1326 	   Temporary Values
1327 		0x0d6 : Accumulator (???)
1328 		0x0d7 : Condition Register
1329 		0x0d8 : Noise source
1330 		0x0d9 : Noise source
1331 	   Tank Memory Data Registers
1332 		0x200 - 0x2ff
1333 	   Tank Memory Address Registers
1334 		0x300 - 0x3ff
1335 	   General Purpose Registers
1336 		0x400 - 0x5ff
1337 	 */
1338 
1339 	/* AC97Output[l/r] = FXBus PCM[l/r] */
1340 	audigy_addefxop(sc, iACC3, A_EXTOUT(A_EXTOUT_AC97_L), A_C_00000000,
1341 			A_C_00000000, A_FXBUS(FXBUS_PCM_LEFT), &pc);
1342 	audigy_addefxop(sc, iACC3, A_EXTOUT(A_EXTOUT_AC97_R), A_C_00000000,
1343 			A_C_00000000, A_FXBUS(FXBUS_PCM_RIGHT), &pc);
1344 
1345 	/* GPR[0/1] = RCA S/PDIF[l/r] -- Master volume */
1346 	audigy_addefxop(sc, iACC3, A_GPR(0), A_C_00000000,
1347 			A_C_00000000, A_EXTIN(EXTIN_COAX_SPDIF_L), &pc);
1348 	audigy_addefxop(sc, iACC3, A_GPR(1), A_C_00000000,
1349 			A_C_00000000, A_EXTIN(EXTIN_COAX_SPDIF_R), &pc);
1350 
1351 	/* GPR[2] = GPR[0] (Left) / 2 + GPR[1] (Right) / 2 -- Central volume */
1352 	audigy_addefxop(sc, iINTERP, A_GPR(2), A_GPR(1),
1353 			A_C_40000000, A_GPR(0), &pc);
1354 
1355 	/* Headphones[l/r] = GPR[0/1] */
1356 	audigy_addefxop(sc, iACC3, A_EXTOUT(A_EXTOUT_HEADPHONE_L),
1357 			A_C_00000000, A_C_00000000, A_GPR(0), &pc);
1358 	audigy_addefxop(sc, iACC3, A_EXTOUT(A_EXTOUT_HEADPHONE_R),
1359 			A_C_00000000, A_C_00000000, A_GPR(1), &pc);
1360 
1361 	/* Analog Front[l/r] = GPR[0/1] */
1362 	audigy_addefxop(sc, iACC3, A_EXTOUT(A_EXTOUT_AFRONT_L), A_C_00000000,
1363 			A_C_00000000, A_GPR(0), &pc);
1364 	audigy_addefxop(sc, iACC3, A_EXTOUT(A_EXTOUT_AFRONT_R), A_C_00000000,
1365 			A_C_00000000, A_GPR(1), &pc);
1366 
1367 	/* Digital Front[l/r] = GPR[0/1] */
1368 	audigy_addefxop(sc, iACC3, A_EXTOUT(A_EXTOUT_FRONT_L), A_C_00000000,
1369 			A_C_00000000, A_GPR(0), &pc);
1370 	audigy_addefxop(sc, iACC3, A_EXTOUT(A_EXTOUT_FRONT_R), A_C_00000000,
1371 			A_C_00000000, A_GPR(1), &pc);
1372 
1373 	/* Center and Subwoofer configuration */
1374 	/* Analog Center = GPR[0] + GPR[2] */
1375 	audigy_addefxop(sc, iACC3, A_EXTOUT(A_EXTOUT_ACENTER), A_C_00000000,
1376 			A_GPR(0), A_GPR(2), &pc);
1377 	/* Analog Sub = GPR[1] + GPR[2] */
1378 	audigy_addefxop(sc, iACC3, A_EXTOUT(A_EXTOUT_ALFE), A_C_00000000,
1379 			A_GPR(1), A_GPR(2), &pc);
1380 
1381 	/* Digital Center = GPR[0] + GPR[2] */
1382 	audigy_addefxop(sc, iACC3, A_EXTOUT(A_EXTOUT_CENTER), A_C_00000000,
1383 			A_GPR(0), A_GPR(2), &pc);
1384 	/* Digital Sub = GPR[1] + GPR[2] */
1385 	audigy_addefxop(sc, iACC3, A_EXTOUT(A_EXTOUT_LFE), A_C_00000000,
1386 			A_GPR(1), A_GPR(2), &pc);
1387 
1388 #if 0
1389 	/* Analog Rear[l/r] = (GPR[0/1] * RearVolume[l/r]) >> 31 */
1390 	/*   RearVolume = GPR[0x10/0x11] (Will this ever be implemented?) */
1391 	audigy_addefxop(sc, iMAC0, A_EXTOUT(A_EXTOUT_AREAR_L), A_C_00000000,
1392 			A_GPR(16), A_GPR(0), &pc);
1393 	audigy_addefxop(sc, iMAC0, A_EXTOUT(A_EXTOUT_AREAR_R), A_C_00000000,
1394 			A_GPR(17), A_GPR(1), &pc);
1395 
1396 	/* Digital Rear[l/r] = (GPR[0/1] * RearVolume[l/r]) >> 31 */
1397 	/*   RearVolume = GPR[0x10/0x11] (Will this ever be implemented?) */
1398 	audigy_addefxop(sc, iMAC0, A_EXTOUT(A_EXTOUT_REAR_L), A_C_00000000,
1399 			A_GPR(16), A_GPR(0), &pc);
1400 	audigy_addefxop(sc, iMAC0, A_EXTOUT(A_EXTOUT_REAR_R), A_C_00000000,
1401 			A_GPR(17), A_GPR(1), &pc);
1402 #else
1403 	/* XXX This is just a copy to the channel, since we do not have
1404 	 *     a patch manager, it is useful for have another output enabled.
1405 	 */
1406 
1407 	/* Analog Rear[l/r] = GPR[0/1] */
1408 	audigy_addefxop(sc, iACC3, A_EXTOUT(A_EXTOUT_AREAR_L), A_C_00000000,
1409 			A_C_00000000, A_GPR(0), &pc);
1410 	audigy_addefxop(sc, iACC3, A_EXTOUT(A_EXTOUT_AREAR_R), A_C_00000000,
1411 			A_C_00000000, A_GPR(1), &pc);
1412 
1413 	/* Digital Rear[l/r] = GPR[0/1] */
1414 	audigy_addefxop(sc, iACC3, A_EXTOUT(A_EXTOUT_REAR_L), A_C_00000000,
1415 			A_C_00000000, A_GPR(0), &pc);
1416 	audigy_addefxop(sc, iACC3, A_EXTOUT(A_EXTOUT_REAR_R), A_C_00000000,
1417 			A_C_00000000, A_GPR(1), &pc);
1418 #endif
1419 
1420 	/* ADC Recording buffer[l/r] = AC97Input[l/r] */
1421 	audigy_addefxop(sc, iACC3, A_EXTOUT(A_EXTOUT_ADC_CAP_L), A_C_00000000,
1422 			A_C_00000000, A_EXTIN(A_EXTIN_AC97_L), &pc);
1423 	audigy_addefxop(sc, iACC3, A_EXTOUT(A_EXTOUT_ADC_CAP_R), A_C_00000000,
1424 			A_C_00000000, A_EXTIN(A_EXTIN_AC97_R), &pc);
1425 
1426 	/* resume normal operations */
1427 	emu_wrptr(sc, 0, A_DBG, 0);
1428 }
1429 
1430 static void
1431 emu_initefx(struct sc_info *sc)
1432 {
1433 	int i;
1434 	u_int32_t pc = 16;
1435 
1436 	/* acc3 0,0,0,0 - NOPs */
1437 	for (i = 0; i < 512; i++) {
1438 		emu_wrefx(sc, i * 2, 0x10040);
1439 		emu_wrefx(sc, i * 2 + 1, 0x610040);
1440 	}
1441 
1442 	for (i = 0; i < 256; i++)
1443 		emu_wrptr(sc, 0, FXGPREGBASE + i, 0);
1444 
1445 	/* FX-8010 DSP Registers:
1446 	   FX Bus
1447 	     0x000-0x00f : 16 registers
1448 	   Input
1449 	     0x010/0x011 : AC97 Codec (l/r)
1450 	     0x012/0x013 : ADC, S/PDIF (l/r)
1451 	     0x014/0x015 : Mic(left), Zoom (l/r)
1452 	     0x016/0x017 : TOS link in (l/r)
1453 	     0x018/0x019 : Line/Mic 1 (l/r)
1454 	     0x01a/0x01b : COAX S/PDIF (l/r)
1455 	     0x01c/0x01d : Line/Mic 2 (l/r)
1456 	   Output
1457 	     0x020/0x021 : AC97 Output (l/r)
1458 	     0x022/0x023 : TOS link out (l/r)
1459 	     0x024/0x025 : Center/LFE
1460 	     0x026/0x027 : LiveDrive Headphone (l/r)
1461 	     0x028/0x029 : Rear Channel (l/r)
1462 	     0x02a/0x02b : ADC Recording Buffer (l/r)
1463 	     0x02c       : Mic Recording Buffer
1464 	     0x031/0x032 : Analog Center/LFE
1465 	   Constants
1466 	     0x040 - 0x044 = 0 - 4
1467 	     0x045 = 0x8, 0x046 = 0x10, 0x047 = 0x20
1468 	     0x048 = 0x100, 0x049 = 0x10000, 0x04a = 0x80000
1469 	     0x04b = 0x10000000, 0x04c = 0x20000000, 0x04d = 0x40000000
1470 	     0x04e = 0x80000000, 0x04f = 0x7fffffff, 0x050 = 0xffffffff
1471 	     0x051 = 0xfffffffe, 0x052 = 0xc0000000, 0x053 = 0x41fbbcdc
1472 	     0x054 = 0x5a7ef9db, 0x055 = 0x00100000
1473 	   Temporary Values
1474 	     0x056 : Accumulator
1475 	     0x057 : Condition Register
1476 	     0x058 : Noise source
1477 	     0x059 : Noise source
1478 	     0x05a : IRQ Register
1479 	     0x05b : TRAM Delay Base Address Count
1480 	   General Purpose Registers
1481 	     0x100 - 0x1ff
1482 	   Tank Memory Data Registers
1483 	     0x200 - 0x2ff
1484 	   Tank Memory Address Registers
1485 	     0x300 - 0x3ff
1486 	     */
1487 
1488 	/* Routing - this will be configurable in later version */
1489 
1490 	/* GPR[0/1] = FX * 4 + SPDIF-in */
1491 	emu_addefxop(sc, iMACINT0, GPR(0), EXTIN(EXTIN_SPDIF_CD_L),
1492 			FXBUS(FXBUS_PCM_LEFT), C_00000004, &pc);
1493 	emu_addefxop(sc, iMACINT0, GPR(1), EXTIN(EXTIN_SPDIF_CD_R),
1494 			FXBUS(FXBUS_PCM_RIGHT), C_00000004, &pc);
1495 
1496 	/* GPR[0/1] += APS-input */
1497 	emu_addefxop(sc, iACC3, GPR(0), GPR(0), C_00000000,
1498 			sc->APS ? EXTIN(EXTIN_TOSLINK_L) : C_00000000, &pc);
1499 	emu_addefxop(sc, iACC3, GPR(1), GPR(1), C_00000000,
1500 			sc->APS ? EXTIN(EXTIN_TOSLINK_R) : C_00000000, &pc);
1501 
1502 	/* FrontOut (AC97) = GPR[0/1] */
1503 	emu_addefxop(sc, iACC3, EXTOUT(EXTOUT_AC97_L), C_00000000,
1504 			C_00000000, GPR(0), &pc);
1505 	emu_addefxop(sc, iACC3, EXTOUT(EXTOUT_AC97_R), C_00000000,
1506 			C_00000001, GPR(1), &pc);
1507 
1508 	/* GPR[2] = GPR[0] (Left) / 2 + GPR[1] (Right) / 2 -- Central volume */
1509 	emu_addefxop(sc, iINTERP, GPR(2), GPR(1), C_40000000, GPR(0), &pc);
1510 
1511 #if 0
1512 	/* RearOut = (GPR[0/1] * RearVolume) >> 31 */
1513 	/*   RearVolume = GPR[0x10/0x11] */
1514 	emu_addefxop(sc, iMAC0, EXTOUT(EXTOUT_REAR_L), C_00000000,
1515 			GPR(16), GPR(0), &pc);
1516 	emu_addefxop(sc, iMAC0, EXTOUT(EXTOUT_REAR_R), C_00000000,
1517 			GPR(17), GPR(1), &pc);
1518 #else
1519 	/* XXX This is just a copy to the channel, since we do not have
1520 	 *     a patch manager, it is useful for have another output enabled.
1521 	 */
1522 
1523 	/* Rear[l/r] = GPR[0/1] */
1524 	emu_addefxop(sc, iACC3, EXTOUT(EXTOUT_REAR_L), C_00000000,
1525 			C_00000000, GPR(0), &pc);
1526 	emu_addefxop(sc, iACC3, EXTOUT(EXTOUT_REAR_R), C_00000000,
1527 			C_00000000, GPR(1), &pc);
1528 #endif
1529 
1530 	/* TOS out[l/r] = GPR[0/1] */
1531 	emu_addefxop(sc, iACC3, EXTOUT(EXTOUT_TOSLINK_L), C_00000000,
1532 			C_00000000, GPR(0), &pc);
1533 	emu_addefxop(sc, iACC3, EXTOUT(EXTOUT_TOSLINK_R), C_00000000,
1534 			C_00000000, GPR(1), &pc);
1535 
1536 	/* Center and Subwoofer configuration */
1537 	/* Analog Center = GPR[0] + GPR[2] */
1538 	emu_addefxop(sc, iACC3, EXTOUT(EXTOUT_ACENTER), C_00000000,
1539 			GPR(0), GPR(2), &pc);
1540 	/* Analog Sub = GPR[1] + GPR[2] */
1541 	emu_addefxop(sc, iACC3, EXTOUT(EXTOUT_ALFE), C_00000000,
1542 			GPR(1), GPR(2), &pc);
1543 	/* Digital Center = GPR[0] + GPR[2] */
1544 	emu_addefxop(sc, iACC3, EXTOUT(EXTOUT_CENTER), C_00000000,
1545 			GPR(0), GPR(2), &pc);
1546 	/* Digital Sub = GPR[1] + GPR[2] */
1547 	emu_addefxop(sc, iACC3, EXTOUT(EXTOUT_LFE), C_00000000,
1548 			GPR(1), GPR(2), &pc);
1549 
1550 	/* Headphones[l/r] = GPR[0/1] */
1551 	emu_addefxop(sc, iACC3, EXTOUT(EXTOUT_HEADPHONE_L), C_00000000,
1552 			C_00000000, GPR(0), &pc);
1553 	emu_addefxop(sc, iACC3, EXTOUT(EXTOUT_HEADPHONE_R), C_00000000,
1554 			C_00000000, GPR(1), &pc);
1555 
1556 	/* ADC Recording buffer[l/r] = AC97Input[l/r] */
1557 	emu_addefxop(sc, iACC3, EXTOUT(EXTOUT_ADC_CAP_L), C_00000000,
1558 			C_00000000, EXTIN(EXTIN_AC97_L), &pc);
1559 	emu_addefxop(sc, iACC3, EXTOUT(EXTOUT_ADC_CAP_R), C_00000000,
1560 			C_00000000, EXTIN(EXTIN_AC97_R), &pc);
1561 
1562 	/* resume normal operations */
1563 	emu_wrptr(sc, 0, DBG, 0);
1564 }
1565 
1566 /* Probe and attach the card */
1567 static int
1568 emu_init(struct sc_info *sc)
1569 {
1570 	u_int32_t spcs, ch, tmp, i;
1571 
1572 	if (sc->audigy) {
1573 		/* enable additional AC97 slots */
1574 		emu_wrptr(sc, 0, AC97SLOT, AC97SLOT_CNTR | AC97SLOT_LFE);
1575 	}
1576 
1577 	/* disable audio and lock cache */
1578 	emu_wr(sc, HCFG,
1579 	    HCFG_LOCKSOUNDCACHE | HCFG_LOCKTANKCACHE_MASK | HCFG_MUTEBUTTONENABLE,
1580 	    4);
1581 
1582 	/* reset recording buffers */
1583 	emu_wrptr(sc, 0, MICBS, ADCBS_BUFSIZE_NONE);
1584 	emu_wrptr(sc, 0, MICBA, 0);
1585 	emu_wrptr(sc, 0, FXBS, ADCBS_BUFSIZE_NONE);
1586 	emu_wrptr(sc, 0, FXBA, 0);
1587 	emu_wrptr(sc, 0, ADCBS, ADCBS_BUFSIZE_NONE);
1588 	emu_wrptr(sc, 0, ADCBA, 0);
1589 
1590 	/* disable channel interrupt */
1591 	emu_wr(sc, INTE,
1592 	    INTE_INTERVALTIMERENB | INTE_SAMPLERATETRACKER | INTE_PCIERRORENABLE,
1593 	    4);
1594 	emu_wrptr(sc, 0, CLIEL, 0);
1595 	emu_wrptr(sc, 0, CLIEH, 0);
1596 	emu_wrptr(sc, 0, SOLEL, 0);
1597 	emu_wrptr(sc, 0, SOLEH, 0);
1598 
1599 	/* wonder what these do... */
1600 	if (sc->audigy) {
1601 		emu_wrptr(sc, 0, SPBYPASS, 0xf00);
1602 		emu_wrptr(sc, 0, AC97SLOT, 0x3);
1603 	}
1604 
1605 	/* init envelope engine */
1606 	for (ch = 0; ch < NUM_G; ch++) {
1607 		emu_wrptr(sc, ch, DCYSUSV, ENV_OFF);
1608 		emu_wrptr(sc, ch, IP, 0);
1609 		emu_wrptr(sc, ch, VTFT, 0xffff);
1610 		emu_wrptr(sc, ch, CVCF, 0xffff);
1611 		emu_wrptr(sc, ch, PTRX, 0);
1612 		emu_wrptr(sc, ch, CPF, 0);
1613 		emu_wrptr(sc, ch, CCR, 0);
1614 
1615 		emu_wrptr(sc, ch, PSST, 0);
1616 		emu_wrptr(sc, ch, DSL, 0x10);
1617 		emu_wrptr(sc, ch, CCCA, 0);
1618 		emu_wrptr(sc, ch, Z1, 0);
1619 		emu_wrptr(sc, ch, Z2, 0);
1620 		emu_wrptr(sc, ch, FXRT, 0xd01c0000);
1621 
1622 		emu_wrptr(sc, ch, ATKHLDM, 0);
1623 		emu_wrptr(sc, ch, DCYSUSM, 0);
1624 		emu_wrptr(sc, ch, IFATN, 0xffff);
1625 		emu_wrptr(sc, ch, PEFE, 0);
1626 		emu_wrptr(sc, ch, FMMOD, 0);
1627 		emu_wrptr(sc, ch, TREMFRQ, 24);	/* 1 Hz */
1628 		emu_wrptr(sc, ch, FM2FRQ2, 24);	/* 1 Hz */
1629 		emu_wrptr(sc, ch, TEMPENV, 0);
1630 
1631 		/*** these are last so OFF prevents writing ***/
1632 		emu_wrptr(sc, ch, LFOVAL2, 0);
1633 		emu_wrptr(sc, ch, LFOVAL1, 0);
1634 		emu_wrptr(sc, ch, ATKHLDV, 0);
1635 		emu_wrptr(sc, ch, ENVVOL, 0);
1636 		emu_wrptr(sc, ch, ENVVAL, 0);
1637 
1638 		if (sc->audigy) {
1639 			/* audigy cards need this to initialize correctly */
1640 			emu_wrptr(sc, ch, 0x4c, 0);
1641 			emu_wrptr(sc, ch, 0x4d, 0);
1642 			emu_wrptr(sc, ch, 0x4e, 0);
1643 			emu_wrptr(sc, ch, 0x4f, 0);
1644 			/* set default routing */
1645 			emu_wrptr(sc, ch, A_FXRT1, 0x03020100);
1646 			emu_wrptr(sc, ch, A_FXRT2, 0x3f3f3f3f);
1647 			emu_wrptr(sc, ch, A_SENDAMOUNTS, 0);
1648 		}
1649 
1650 		sc->voice[ch].vnum = ch;
1651 		sc->voice[ch].slave = NULL;
1652 		sc->voice[ch].busy = 0;
1653 		sc->voice[ch].ismaster = 0;
1654 		sc->voice[ch].running = 0;
1655 		sc->voice[ch].b16 = 0;
1656 		sc->voice[ch].stereo = 0;
1657 		sc->voice[ch].speed = 0;
1658 		sc->voice[ch].start = 0;
1659 		sc->voice[ch].end = 0;
1660 		sc->voice[ch].channel = NULL;
1661 	}
1662 	sc->pnum = sc->rnum = 0;
1663 
1664 	/*
1665 	 *  Init to 0x02109204 :
1666 	 *  Clock accuracy    = 0     (1000ppm)
1667 	 *  Sample Rate       = 2     (48kHz)
1668 	 *  Audio Channel     = 1     (Left of 2)
1669 	 *  Source Number     = 0     (Unspecified)
1670 	 *  Generation Status = 1     (Original for Cat Code 12)
1671 	 *  Cat Code          = 12    (Digital Signal Mixer)
1672 	 *  Mode              = 0     (Mode 0)
1673 	 *  Emphasis          = 0     (None)
1674 	 *  CP                = 1     (Copyright unasserted)
1675 	 *  AN                = 0     (Audio data)
1676 	 *  P                 = 0     (Consumer)
1677 	 */
1678 	spcs = SPCS_CLKACCY_1000PPM | SPCS_SAMPLERATE_48 |
1679 	    SPCS_CHANNELNUM_LEFT | SPCS_SOURCENUM_UNSPEC |
1680 	    SPCS_GENERATIONSTATUS | 0x00001200 | 0x00000000 |
1681 	    SPCS_EMPHASIS_NONE | SPCS_COPYRIGHT;
1682 	emu_wrptr(sc, 0, SPCS0, spcs);
1683 	emu_wrptr(sc, 0, SPCS1, spcs);
1684 	emu_wrptr(sc, 0, SPCS2, spcs);
1685 
1686 	if (!sc->audigy)
1687 		emu_initefx(sc);
1688 	else if (sc->audigy2) {	/* Audigy 2 */
1689 		/* from ALSA initialization code: */
1690 
1691 		/* Hack for Alice3 to work independent of haP16V driver */
1692 		u_int32_t tmp;
1693 
1694 		/* Setup SRCMulti_I2S SamplingRate */
1695 		tmp = emu_rdptr(sc, 0, A_SPDIF_SAMPLERATE) & 0xfffff1ff;
1696 		emu_wrptr(sc, 0, A_SPDIF_SAMPLERATE, tmp | 0x400);
1697 
1698 		/* Setup SRCSel (Enable SPDIF, I2S SRCMulti) */
1699 		emu_wr(sc, 0x20, 0x00600000, 4);
1700 		emu_wr(sc, 0x24, 0x00000014, 4);
1701 
1702 		/* Setup SRCMulti Input Audio Enable */
1703 		emu_wr(sc, 0x20, 0x006e0000, 4);
1704 		emu_wr(sc, 0x24, 0xff00ff00, 4);
1705 	}
1706 
1707 	SLIST_INIT(&sc->mem.blocks);
1708 	sc->mem.ptb_pages = emu_malloc(sc, EMUMAXPAGES * sizeof(u_int32_t),
1709 	    &sc->mem.ptb_pages_addr);
1710 	if (sc->mem.ptb_pages == NULL)
1711 		return -1;
1712 
1713 	sc->mem.silent_page = emu_malloc(sc, EMUPAGESIZE,
1714 	    &sc->mem.silent_page_addr);
1715 	if (sc->mem.silent_page == NULL) {
1716 		emu_free(sc, sc->mem.ptb_pages);
1717 		return -1;
1718 	}
1719 	/* Clear page with silence & setup all pointers to this page */
1720 	bzero(sc->mem.silent_page, EMUPAGESIZE);
1721 	tmp = (u_int32_t)(sc->mem.silent_page_addr) << 1;
1722 	for (i = 0; i < EMUMAXPAGES; i++)
1723 		sc->mem.ptb_pages[i] = tmp | i;
1724 
1725 	emu_wrptr(sc, 0, PTB, (sc->mem.ptb_pages_addr));
1726 	emu_wrptr(sc, 0, TCB, 0);	/* taken from original driver */
1727 	emu_wrptr(sc, 0, TCBS, 0);	/* taken from original driver */
1728 
1729 	for (ch = 0; ch < NUM_G; ch++) {
1730 		emu_wrptr(sc, ch, MAPA, tmp | MAP_PTI_MASK);
1731 		emu_wrptr(sc, ch, MAPB, tmp | MAP_PTI_MASK);
1732 	}
1733 
1734 	/* emu_memalloc(sc, EMUPAGESIZE); */
1735 	/*
1736 	 *  Hokay, now enable the AUD bit
1737 	 *
1738 	 *  Audigy
1739 	 *   Enable Audio = 0 (enabled after fx processor initialization)
1740 	 *   Mute Disable Audio = 0
1741 	 *   Joystick = 1
1742 	 *
1743 	 *  Audigy 2
1744 	 *   Enable Audio = 1
1745 	 *   Mute Disable Audio = 0
1746 	 *   Joystick = 1
1747 	 *   GP S/PDIF AC3 Enable = 1
1748 	 *   CD S/PDIF AC3 Enable = 1
1749 	 *
1750 	 *  EMU10K1
1751 	 *   Enable Audio = 1
1752 	 *   Mute Disable Audio = 0
1753 	 *   Lock Tank Memory = 1
1754 	 *   Lock Sound Memory = 0
1755 	 *   Auto Mute = 1
1756 	 */
1757 
1758 	if (sc->audigy) {
1759 		tmp = HCFG_AUTOMUTE | HCFG_JOYENABLE;
1760 		if (sc->audigy2)	/* Audigy 2 */
1761 			tmp = HCFG_AUDIOENABLE | HCFG_AC3ENABLE_CDSPDIF |
1762 			    HCFG_AC3ENABLE_GPSPDIF;
1763 		emu_wr(sc, HCFG, tmp, 4);
1764 
1765 		audigy_initefx(sc);
1766 
1767 		/* from ALSA initialization code: */
1768 
1769 		/* enable audio and disable both audio/digital outputs */
1770 		emu_wr(sc, HCFG, emu_rd(sc, HCFG, 4) | HCFG_AUDIOENABLE, 4);
1771 		emu_wr(sc, A_IOCFG, emu_rd(sc, A_IOCFG, 4) & ~A_IOCFG_GPOUT_AD,
1772 		    4);
1773 		if (sc->audigy2) {	/* Audigy 2 */
1774 			/* Unmute Analog.
1775 			 * Set GPO6 to 1 for Apollo. This has to be done after
1776 			 * init Alice3 I2SOut beyond 48kHz.
1777 			 * So, sequence is important.
1778 			 */
1779 			emu_wr(sc, A_IOCFG,
1780 			    emu_rd(sc, A_IOCFG, 4) | A_IOCFG_GPOUT_A, 4);
1781 		}
1782 	} else {
1783 		/* EMU10K1 initialization code */
1784 		tmp = HCFG_AUDIOENABLE | HCFG_LOCKTANKCACHE_MASK
1785 		    | HCFG_AUTOMUTE;
1786 		if (sc->rev >= 6)
1787 			tmp |= HCFG_JOYENABLE;
1788 
1789 		emu_wr(sc, HCFG, tmp, 4);
1790 
1791 		/* TOSLink detection */
1792 		sc->tos_link = 0;
1793 		tmp = emu_rd(sc, HCFG, 4);
1794 		if (tmp & (HCFG_GPINPUT0 | HCFG_GPINPUT1)) {
1795 			emu_wr(sc, HCFG, tmp | HCFG_GPOUT1, 4);
1796 			DELAY(50);
1797 			if (tmp != (emu_rd(sc, HCFG, 4) & ~HCFG_GPOUT1)) {
1798 				sc->tos_link = 1;
1799 				emu_wr(sc, HCFG, tmp, 4);
1800 			}
1801 		}
1802 	}
1803 
1804 	return 0;
1805 }
1806 
1807 static int
1808 emu_uninit(struct sc_info *sc)
1809 {
1810 	u_int32_t ch;
1811 
1812 	emu_wr(sc, INTE, 0, 4);
1813 	for (ch = 0; ch < NUM_G; ch++)
1814 		emu_wrptr(sc, ch, DCYSUSV, ENV_OFF);
1815 	for (ch = 0; ch < NUM_G; ch++) {
1816 		emu_wrptr(sc, ch, VTFT, 0);
1817 		emu_wrptr(sc, ch, CVCF, 0);
1818 		emu_wrptr(sc, ch, PTRX, 0);
1819 		emu_wrptr(sc, ch, CPF, 0);
1820 	}
1821 
1822 	if (sc->audigy) {	/* stop fx processor */
1823 		emu_wrptr(sc, 0, A_DBG, A_DBG_SINGLE_STEP);
1824 	}
1825 
1826 	/* disable audio and lock cache */
1827 	emu_wr(sc, HCFG,
1828 	    HCFG_LOCKSOUNDCACHE | HCFG_LOCKTANKCACHE_MASK | HCFG_MUTEBUTTONENABLE,
1829 	    4);
1830 
1831 	emu_wrptr(sc, 0, PTB, 0);
1832 	/* reset recording buffers */
1833 	emu_wrptr(sc, 0, MICBS, ADCBS_BUFSIZE_NONE);
1834 	emu_wrptr(sc, 0, MICBA, 0);
1835 	emu_wrptr(sc, 0, FXBS, ADCBS_BUFSIZE_NONE);
1836 	emu_wrptr(sc, 0, FXBA, 0);
1837 	emu_wrptr(sc, 0, FXWC, 0);
1838 	emu_wrptr(sc, 0, ADCBS, ADCBS_BUFSIZE_NONE);
1839 	emu_wrptr(sc, 0, ADCBA, 0);
1840 	emu_wrptr(sc, 0, TCB, 0);
1841 	emu_wrptr(sc, 0, TCBS, 0);
1842 
1843 	/* disable channel interrupt */
1844 	emu_wrptr(sc, 0, CLIEL, 0);
1845 	emu_wrptr(sc, 0, CLIEH, 0);
1846 	emu_wrptr(sc, 0, SOLEL, 0);
1847 	emu_wrptr(sc, 0, SOLEH, 0);
1848 
1849 	/* init envelope engine */
1850 	if (!SLIST_EMPTY(&sc->mem.blocks))
1851 		device_printf(sc->dev, "warning: memblock list not empty\n");
1852 	emu_free(sc, sc->mem.ptb_pages);
1853 	emu_free(sc, sc->mem.silent_page);
1854 
1855 	return 0;
1856 }
1857 
1858 static int
1859 emu_pci_probe(device_t dev)
1860 {
1861 	char *s = NULL;
1862 
1863 	switch (pci_get_devid(dev)) {
1864 	case EMU10K1_PCI_ID:
1865 		s = "Creative EMU10K1";
1866 		break;
1867 
1868 	case EMU10K2_PCI_ID:
1869 		if (pci_get_revid(dev) == 0x04)
1870 			s = "Creative Audigy 2 (EMU10K2)";
1871 		else
1872 			s = "Creative Audigy (EMU10K2)";
1873 		break;
1874 
1875 	default:
1876 		return ENXIO;
1877 	}
1878 
1879 	device_set_desc(dev, s);
1880 	return 0;
1881 }
1882 
1883 static int
1884 emu_pci_attach(device_t dev)
1885 {
1886 	struct ac97_info *codec = NULL;
1887 	struct sc_info *sc;
1888 	u_int32_t data;
1889 	int i, gotmic;
1890 	char status[SND_STATUSLEN];
1891 
1892 	if ((sc = malloc(sizeof(*sc), M_DEVBUF, M_WAITOK | M_ZERO)) == NULL) {
1893 		device_printf(dev, "cannot allocate softc\n");
1894 		return ENXIO;
1895 	}
1896 
1897 	sc->lock = snd_mtxcreate(device_get_nameunit(dev), "sound softc");
1898 	sc->dev = dev;
1899 	sc->type = pci_get_devid(dev);
1900 	sc->rev = pci_get_revid(dev);
1901 	sc->audigy = (sc->type == EMU10K2_PCI_ID);
1902 	sc->audigy2 = (sc->audigy && sc->rev == 0x04);
1903 	sc->nchans = sc->audigy ? 8 : 4;
1904 	sc->addrmask = sc->audigy ? A_PTR_ADDRESS_MASK : PTR_ADDRESS_MASK;
1905 
1906 	data = pci_read_config(dev, PCIR_COMMAND, 2);
1907 	data |= (PCIM_CMD_PORTEN | PCIM_CMD_BUSMASTEREN);
1908 	pci_write_config(dev, PCIR_COMMAND, data, 2);
1909 	data = pci_read_config(dev, PCIR_COMMAND, 2);
1910 
1911 	i = PCIR_BAR(0);
1912 	sc->reg = bus_alloc_resource_any(dev, SYS_RES_IOPORT, &i, RF_ACTIVE);
1913 	if (sc->reg == NULL) {
1914 		device_printf(dev, "unable to map register space\n");
1915 		goto bad;
1916 	}
1917 	sc->st = rman_get_bustag(sc->reg);
1918 	sc->sh = rman_get_bushandle(sc->reg);
1919 
1920 	sc->bufsz = pcm_getbuffersize(dev, 4096, EMU_DEFAULT_BUFSZ, 65536);
1921 
1922 	if (bus_dma_tag_create(/*parent*/NULL, /*alignment*/2, /*boundary*/0,
1923 		/*lowaddr*/1 << 31, /* can only access 0-2gb */
1924 		/*highaddr*/BUS_SPACE_MAXADDR,
1925 		/*filter*/NULL, /*filterarg*/NULL,
1926 		/*maxsize*/sc->bufsz, /*nsegments*/1, /*maxsegz*/0x3ffff,
1927 		/*flags*/0, /*lockfunc*/busdma_lock_mutex,
1928 		/*lockarg*/&Giant, &sc->parent_dmat) != 0) {
1929 		device_printf(dev, "unable to create dma tag\n");
1930 		goto bad;
1931 	}
1932 
1933 	if (emu_init(sc) == -1) {
1934 		device_printf(dev, "unable to initialize the card\n");
1935 		goto bad;
1936 	}
1937 
1938 	codec = AC97_CREATE(dev, sc, emu_ac97);
1939 	if (codec == NULL) goto bad;
1940 	gotmic = (ac97_getcaps(codec) & AC97_CAP_MICCHANNEL) ? 1 : 0;
1941 	if (mixer_init(dev, ac97_getmixerclass(), codec) == -1) goto bad;
1942 
1943 	i = 0;
1944 	sc->irq = bus_alloc_resource_any(dev, SYS_RES_IRQ, &i,
1945 	    RF_ACTIVE | RF_SHAREABLE);
1946 	if (!sc->irq ||
1947 	    snd_setup_intr(dev, sc->irq, 0, emu_intr, sc, &sc->ih)) {
1948 		device_printf(dev, "unable to map interrupt\n");
1949 		goto bad;
1950 	}
1951 
1952 	snprintf(status, SND_STATUSLEN, "at io 0x%lx irq %ld %s",
1953 	    rman_get_start(sc->reg), rman_get_start(sc->irq),
1954 	    PCM_KLDSTRING(snd_emu10k1));
1955 
1956 	if (pcm_register(dev, sc, sc->nchans, gotmic ? 3 : 2)) goto bad;
1957 	for (i = 0; i < sc->nchans; i++)
1958 		pcm_addchan(dev, PCMDIR_PLAY, &emupchan_class, sc);
1959 	for (i = 0; i < (gotmic ? 3 : 2); i++)
1960 		pcm_addchan(dev, PCMDIR_REC, &emurchan_class, sc);
1961 
1962 	pcm_setstatus(dev, status);
1963 
1964 	return 0;
1965 
1966 bad:
1967 	if (codec) ac97_destroy(codec);
1968 	if (sc->reg) bus_release_resource(dev, SYS_RES_IOPORT, PCIR_BAR(0), sc->reg);
1969 	if (sc->ih) bus_teardown_intr(dev, sc->irq, sc->ih);
1970 	if (sc->irq) bus_release_resource(dev, SYS_RES_IRQ, 0, sc->irq);
1971 	if (sc->parent_dmat) bus_dma_tag_destroy(sc->parent_dmat);
1972 	if (sc->lock) snd_mtxfree(sc->lock);
1973 	free(sc, M_DEVBUF);
1974 	return ENXIO;
1975 }
1976 
1977 static int
1978 emu_pci_detach(device_t dev)
1979 {
1980 	int r;
1981 	struct sc_info *sc;
1982 
1983 	r = pcm_unregister(dev);
1984 	if (r)
1985 		return r;
1986 
1987 	sc = pcm_getdevinfo(dev);
1988 	/* shutdown chip */
1989 	emu_uninit(sc);
1990 
1991 	bus_release_resource(dev, SYS_RES_IOPORT, PCIR_BAR(0), sc->reg);
1992 	bus_teardown_intr(dev, sc->irq, sc->ih);
1993 	bus_release_resource(dev, SYS_RES_IRQ, 0, sc->irq);
1994 	bus_dma_tag_destroy(sc->parent_dmat);
1995 	snd_mtxfree(sc->lock);
1996 	free(sc, M_DEVBUF);
1997 
1998 	return 0;
1999 }
2000 
2001 /* add suspend, resume */
2002 static device_method_t emu_methods[] = {
2003 	/* Device interface */
2004 	DEVMETHOD(device_probe,		emu_pci_probe),
2005 	DEVMETHOD(device_attach,	emu_pci_attach),
2006 	DEVMETHOD(device_detach,	emu_pci_detach),
2007 
2008 	{ 0, 0 }
2009 };
2010 
2011 static driver_t emu_driver = {
2012 	"pcm",
2013 	emu_methods,
2014 	PCM_SOFTC_SIZE,
2015 };
2016 
2017 DRIVER_MODULE(snd_emu10k1, pci, emu_driver, pcm_devclass, 0, 0);
2018 MODULE_DEPEND(snd_emu10k1, snd_pcm, PCM_MINVER, PCM_PREFVER, PCM_MAXVER);
2019 MODULE_VERSION(snd_emu10k1, 1);
2020 
2021 /* dummy driver to silence the joystick device */
2022 static int
2023 emujoy_pci_probe(device_t dev)
2024 {
2025 	char *s = NULL;
2026 
2027 	switch (pci_get_devid(dev)) {
2028 	case 0x70021102:
2029 		s = "Creative EMU10K1 Joystick";
2030 		device_quiet(dev);
2031 		break;
2032 	case 0x70031102:
2033 		s = "Creative EMU10K2 Joystick";
2034 		device_quiet(dev);
2035 		break;
2036 	}
2037 
2038 	if (s) device_set_desc(dev, s);
2039 	return s ? -1000 : ENXIO;
2040 }
2041 
2042 static int
2043 emujoy_pci_attach(device_t dev)
2044 {
2045 	return 0;
2046 }
2047 
2048 static int
2049 emujoy_pci_detach(device_t dev)
2050 {
2051 	return 0;
2052 }
2053 
2054 static device_method_t emujoy_methods[] = {
2055 	DEVMETHOD(device_probe,		emujoy_pci_probe),
2056 	DEVMETHOD(device_attach,	emujoy_pci_attach),
2057 	DEVMETHOD(device_detach,	emujoy_pci_detach),
2058 
2059 	{ 0, 0 }
2060 };
2061 
2062 static driver_t emujoy_driver = {
2063 	"emujoy",
2064 	emujoy_methods,
2065 	8,
2066 };
2067 
2068 static devclass_t emujoy_devclass;
2069 
2070 DRIVER_MODULE(emujoy, pci, emujoy_driver, emujoy_devclass, 0, 0);
2071 
2072