sb16.c revision 51768
1/*
2 * Copyright (c) 1999 Cameron Grant <gandalf@vilnya.demon.co.uk>
3 * Copyright 1997,1998 Luigi Rizzo.
4 *
5 * Derived from files in the Voxware 3.5 distribution,
6 * Copyright by Hannu Savolainen 1994, under the same copyright
7 * conditions.
8 * All rights reserved.
9 *
10 * Redistribution and use in source and binary forms, with or without
11 * modification, are permitted provided that the following conditions
12 * are met:
13 * 1. Redistributions of source code must retain the above copyright
14 *    notice, this list of conditions and the following disclaimer.
15 * 2. Redistributions in binary form must reproduce the above copyright
16 *    notice, this list of conditions and the following disclaimer in the
17 *    documentation and/or other materials provided with the distribution.
18 *
19 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
20 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
21 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
22 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
23 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
24 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
25 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
26 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
27 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
28 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
29 * SUCH DAMAGE.
30 *
31 * $FreeBSD: head/sys/dev/sound/isa/sb16.c 51768 1999-09-28 20:24:28Z cg $
32 */
33
34#include <dev/pcm/sound.h>
35#if NPCM > 0
36
37#define __SB_MIXER_C__	/* XXX warning... */
38#include  <dev/pcm/isa/sb.h>
39
40/* channel interface */
41static void *sbchan_init(void *devinfo, snd_dbuf *b, pcm_channel *c, int dir);
42static int sbchan_setdir(void *data, int dir);
43static int sbchan_setformat(void *data, u_int32_t format);
44static int sbchan_setspeed(void *data, u_int32_t speed);
45static int sbchan_setblocksize(void *data, u_int32_t blocksize);
46static int sbchan_trigger(void *data, int go);
47static int sbchan_getptr(void *data);
48static pcmchan_caps *sbchan_getcaps(void *data);
49
50/* channel interface for ESS */
51#ifdef notyet
52static void *esschan_init(void *devinfo, snd_dbuf *b, pcm_channel *c, int dir);
53#endif
54static int esschan_setdir(void *data, int dir);
55static int esschan_setformat(void *data, u_int32_t format);
56static int esschan_setspeed(void *data, u_int32_t speed);
57static int esschan_setblocksize(void *data, u_int32_t blocksize);
58static int esschan_trigger(void *data, int go);
59static int esschan_getptr(void *data);
60static pcmchan_caps *esschan_getcaps(void *data);
61static pcmchan_caps sb_playcaps = {
62	4000, 22050,
63	AFMT_U8,
64	AFMT_U8
65};
66
67static pcmchan_caps sb_reccaps = {
68	4000, 13000,
69	AFMT_U8,
70	AFMT_U8
71};
72
73static pcmchan_caps sbpro_playcaps = {
74	4000, 45000,
75	AFMT_STEREO | AFMT_U8,
76	AFMT_STEREO | AFMT_U8
77};
78
79static pcmchan_caps sbpro_reccaps = {
80	4000, 15000,
81	AFMT_STEREO | AFMT_U8,
82	AFMT_STEREO | AFMT_U8
83};
84
85static pcmchan_caps sb16_playcaps = {
86	5000, 45000,
87	AFMT_STEREO | AFMT_S16_LE,
88	AFMT_STEREO | AFMT_S16_LE
89};
90
91static pcmchan_caps sb16_reccaps = {
92	5000, 45000,
93	AFMT_STEREO | AFMT_U8,
94	AFMT_STEREO | AFMT_U8
95};
96
97static pcmchan_caps ess_playcaps = {
98	5000, 49000,
99	AFMT_STEREO | AFMT_U8 | AFMT_S16_LE,
100	AFMT_STEREO | AFMT_S16_LE
101};
102
103static pcmchan_caps ess_reccaps = {
104	5000, 49000,
105	AFMT_STEREO | AFMT_U8 | AFMT_S16_LE,
106	AFMT_STEREO | AFMT_S16_LE
107};
108
109static pcm_channel sb_chantemplate = {
110	sbchan_init,
111	sbchan_setdir,
112	sbchan_setformat,
113	sbchan_setspeed,
114	sbchan_setblocksize,
115	sbchan_trigger,
116	sbchan_getptr,
117	sbchan_getcaps,
118};
119
120static pcm_channel ess_chantemplate = {
121	sbchan_init,
122	esschan_setdir,
123	esschan_setformat,
124	esschan_setspeed,
125	esschan_setblocksize,
126	esschan_trigger,
127	esschan_getptr,
128	esschan_getcaps,
129};
130#define PLAIN_SB16(x) ((((x)->bd_flags) & (BD_F_SB16|BD_F_SB16X)) == BD_F_SB16)
131
132struct sb_info;
133
134struct sb_chinfo {
135	struct sb_info *parent;
136	pcm_channel *channel;
137	snd_dbuf *buffer;
138	int dir;
139	u_int32_t fmt;
140	int ess_dma_started;
141};
142
143struct sb_info {
144    	struct resource *io_base;	/* I/O address for the board */
145    	int		     io_rid;
146    	struct resource *irq;
147    	int		     irq_rid;
148    	struct resource *drq1; /* play */
149    	int		     drq1_rid;
150    	struct resource *drq2; /* rec */
151    	int		     drq2_rid;
152    	bus_dma_tag_t    parent_dmat;
153
154    	int dma16, dma8;
155    	int bd_id;
156    	u_long bd_flags;       /* board-specific flags */
157    	struct sb_chinfo pch, rch;
158};
159
160static int sb_rd(struct sb_info *sb, int reg);
161static void sb_wr(struct sb_info *sb, int reg, u_int8_t val);
162static int sb_dspready(struct sb_info *sb);
163static int sb_cmd(struct sb_info *sb, u_char val);
164static int sb_cmd1(struct sb_info *sb, u_char cmd, int val);
165static int sb_cmd2(struct sb_info *sb, u_char cmd, int val);
166static u_int sb_get_byte(struct sb_info *sb);
167static int ess_write(struct sb_info *sb, u_char reg, int val);
168static int ess_read(struct sb_info *sb, u_char reg);
169
170/*
171 * in the SB, there is a set of indirect "mixer" registers with
172 * address at offset 4, data at offset 5
173 */
174static void sb_setmixer(struct sb_info *sb, u_int port, u_int value);
175static int sb_getmixer(struct sb_info *sb, u_int port);
176
177static void sb_intr(void *arg);
178static void ess_intr(void *arg);
179static int sb_init(device_t dev, struct sb_info *sb);
180static int sb_reset_dsp(struct sb_info *sb);
181
182static int sb_format(struct sb_chinfo *ch, u_int32_t format);
183static int sb_speed(struct sb_chinfo *ch, int speed);
184static int sb_start(struct sb_chinfo *ch);
185static int sb_stop(struct sb_chinfo *ch);
186
187static int ess_format(struct sb_chinfo *ch, u_int32_t format);
188static int ess_speed(struct sb_chinfo *ch, int speed);
189static int ess_start(struct sb_chinfo *ch);
190static int ess_stop(struct sb_chinfo *ch);
191static int ess_abort(struct sb_chinfo *ch);
192static int sbmix_init(snd_mixer *m);
193static int sbmix_set(snd_mixer *m, unsigned dev, unsigned left, unsigned right);
194static int sbmix_setrecsrc(snd_mixer *m, u_int32_t src);
195
196static snd_mixer sb_mixer = {
197    "SoundBlaster mixer",
198    sbmix_init,
199    sbmix_set,
200    sbmix_setrecsrc,
201};
202
203static devclass_t pcm_devclass;
204
205/*
206 * Common code for the midi and pcm functions
207 *
208 * sb_cmd write a single byte to the CMD port.
209 * sb_cmd1 write a CMD + 1 byte arg
210 * sb_cmd2 write a CMD + 2 byte arg
211 * sb_get_byte returns a single byte from the DSP data port
212 *
213 * ess_write is actually sb_cmd1
214 * ess_read access ext. regs via sb_cmd(0xc0, reg) followed by sb_get_byte
215 */
216
217static int
218port_rd(struct resource *port, int off)
219{
220	return bus_space_read_1(rman_get_bustag(port),
221				rman_get_bushandle(port),
222				off);
223}
224
225static void
226port_wr(struct resource *port, int off, u_int8_t data)
227{
228	return bus_space_write_1(rman_get_bustag(port),
229				 rman_get_bushandle(port),
230				 off, data);
231}
232
233static int
234sb_rd(struct sb_info *sb, int reg)
235{
236	return port_rd(sb->io_base, reg);
237}
238
239static void
240sb_wr(struct sb_info *sb, int reg, u_int8_t val)
241{
242	port_wr(sb->io_base, reg, val);
243}
244
245static int
246sb_dspready(struct sb_info *sb)
247{
248	return ((sb_rd(sb, SBDSP_STATUS) & 0x80) == 0);
249}
250
251static int
252sb_dspwr(struct sb_info *sb, u_char val)
253{
254    	int  i;
255
256    	for (i = 0; i < 1000; i++) {
257		if (sb_dspready(sb)) {
258	    		sb_wr(sb, SBDSP_CMD, val);
259	    		return 1;
260		}
261		if (i > 10) DELAY((i > 100)? 1000 : 10);
262    	}
263    	printf("sb_dspwr(0x%02x) timed out.\n", val);
264    	return 0;
265}
266
267static int
268sb_cmd(struct sb_info *sb, u_char val)
269{
270#if 0
271	printf("sb_cmd: %x\n", val);
272#endif
273    	return sb_dspwr(sb, val);
274}
275
276static int
277sb_cmd1(struct sb_info *sb, u_char cmd, int val)
278{
279#if 0
280    	printf("sb_cmd1: %x, %x\n", cmd, val);
281#endif
282    	if (sb_dspwr(sb, cmd)) {
283		return sb_dspwr(sb, val & 0xff);
284    	} else return 0;
285}
286
287static int
288sb_cmd2(struct sb_info *sb, u_char cmd, int val)
289{
290#if 0
291    	printf("sb_cmd2: %x, %x\n", cmd, val);
292#endif
293    	if (sb_dspwr(sb, cmd)) {
294		return sb_dspwr(sb, val & 0xff) &&
295		       sb_dspwr(sb, (val >> 8) & 0xff);
296    	} else return 0;
297}
298
299/*
300 * in the SB, there is a set of indirect "mixer" registers with
301 * address at offset 4, data at offset 5
302 */
303static void
304sb_setmixer(struct sb_info *sb, u_int port, u_int value)
305{
306    	u_long   flags;
307
308    	flags = spltty();
309    	sb_wr(sb, SB_MIX_ADDR, (u_char) (port & 0xff)); /* Select register */
310    	DELAY(10);
311    	sb_wr(sb, SB_MIX_DATA, (u_char) (value & 0xff));
312    	DELAY(10);
313    	splx(flags);
314}
315
316static int
317sb_getmixer(struct sb_info *sb, u_int port)
318{
319    	int val;
320    	u_long flags;
321
322    	flags = spltty();
323    	sb_wr(sb, SB_MIX_ADDR, (u_char) (port & 0xff)); /* Select register */
324    	DELAY(10);
325    	val = sb_rd(sb, SB_MIX_DATA);
326    	DELAY(10);
327    	splx(flags);
328
329    	return val;
330}
331
332static u_int
333sb_get_byte(struct sb_info *sb)
334{
335    	int i;
336
337    	for (i = 1000; i > 0; i--) {
338		if (sb_rd(sb, DSP_DATA_AVAIL) & 0x80)
339			return sb_rd(sb, DSP_READ);
340		else
341			DELAY(20);
342    	}
343    	return 0xffff;
344}
345
346static int
347ess_write(struct sb_info *sb, u_char reg, int val)
348{
349    	return sb_cmd1(sb, reg, val);
350}
351
352static int
353ess_read(struct sb_info *sb, u_char reg)
354{
355    	return (sb_cmd(sb, 0xc0) && sb_cmd(sb, reg))? sb_get_byte(sb) : 0xffff;
356}
357
358static int
359sb_reset_dsp(struct sb_info *sb)
360{
361    	sb_wr(sb, SBDSP_RST, 3);
362    	DELAY(100);
363    	sb_wr(sb, SBDSP_RST, 0);
364    	if (sb_get_byte(sb) != 0xAA) {
365        	DEB(printf("sb_reset_dsp 0x%lx failed\n",
366			   rman_get_start(d->io_base)));
367		return ENXIO;	/* Sorry */
368    	}
369    	if (sb->bd_flags & BD_F_ESS) sb_cmd(sb, 0xc6);
370    	return 0;
371}
372
373static void
374sb_release_resources(struct sb_info *sb, device_t dev)
375{
376    	/* should we bus_teardown_intr here? */
377    	if (sb->irq) {
378		bus_release_resource(dev, SYS_RES_IRQ, sb->irq_rid, sb->irq);
379		sb->irq = 0;
380    	}
381    	if (sb->drq1) {
382		bus_release_resource(dev, SYS_RES_DRQ, sb->drq1_rid, sb->drq1);
383		sb->drq1 = 0;
384    	}
385    	if (sb->drq2) {
386		bus_release_resource(dev, SYS_RES_DRQ, sb->drq2_rid, sb->drq2);
387		sb->drq2 = 0;
388    	}
389    	if (sb->io_base) {
390		bus_release_resource(dev, SYS_RES_IOPORT, sb->io_rid,
391				     sb->io_base);
392		sb->io_base = 0;
393    	}
394    	free(sb, M_DEVBUF);
395}
396
397static int
398sb_alloc_resources(struct sb_info *sb, device_t dev)
399{
400	if (!sb->io_base)
401    		sb->io_base = bus_alloc_resource(dev, SYS_RES_IOPORT,
402						 &sb->io_rid, 0, ~0, 1,
403						 RF_ACTIVE);
404	if (!sb->irq)
405    		sb->irq = bus_alloc_resource(dev, SYS_RES_IRQ,
406					     &sb->irq_rid, 0, ~0, 1,
407					     RF_ACTIVE);
408	if (!sb->drq1)
409    		sb->drq1 = bus_alloc_resource(dev, SYS_RES_DRQ,
410					      &sb->drq1_rid, 0, ~0, 1,
411					      RF_ACTIVE);
412	if (!sb->drq2 && sb->drq2_rid > 0)
413        	sb->drq2 = bus_alloc_resource(dev, SYS_RES_DRQ,
414					      &sb->drq2_rid, 0, ~0, 1,
415					      RF_ACTIVE);
416
417    	if (sb->io_base && sb->drq1 && sb->irq) {
418		sb->dma8 = rman_get_start(sb->drq1);
419		isa_dma_acquire(sb->dma8);
420		isa_dmainit(sb->dma8, DSP_BUFFSIZE);
421
422		if (sb->drq2) {
423			sb->dma16 = rman_get_start(sb->drq2);
424			isa_dma_acquire(sb->dma16);
425			isa_dmainit(sb->dma16, DSP_BUFFSIZE);
426		} else sb->dma16 = sb->dma8;
427
428		if (sb->dma8 > sb->dma16) {
429			int tmp = sb->dma16;
430			sb->dma16 = sb->dma8;
431			sb->dma8 = tmp;
432		}
433		return 0;
434	} else return ENXIO;
435}
436
437static int
438sb_identify_board(device_t dev, struct sb_info *sb)
439{
440    	char *fmt = NULL;
441    	static char buf[64];
442	int essver = 0;
443
444    	sb_cmd(sb, DSP_CMD_GETVER);	/* Get version */
445    	sb->bd_id = (sb_get_byte(sb) << 8) | sb_get_byte(sb);
446
447    	switch (sb->bd_id >> 8) {
448    	case 1: /* old sound blaster has nothing... */
449    	case 2:
450		fmt = "SoundBlaster %d.%d" ; /* default */
451		break;
452
453    	case 3:
454		fmt = "SoundBlaster Pro %d.%d";
455		if (sb->bd_id == 0x301) {
456	    		int rev;
457
458	    		/* Try to detect ESS chips. */
459	    		sb_cmd(sb, DSP_CMD_GETID); /* Return ident. bytes. */
460	    		essver = (sb_get_byte(sb) << 8) | sb_get_byte(sb);
461	    		rev = essver & 0x000f;
462	    		essver &= 0xfff0;
463	    		if (essver == 0x4880) {
464				/* the ESS488 can be treated as an SBPRO */
465				fmt = "SoundBlaster Pro (ESS488 rev %d)";
466	    		} else if (essver == 0x6880) {
467				if (rev < 8) fmt = "ESS688 rev %d";
468				else fmt = "ESS1868 rev %d";
469	        		sb->bd_flags |= BD_F_ESS;
470	    		} else return ENXIO;
471	    		sb->bd_id &= 0xff00;
472	    		sb->bd_id |= ((essver & 0xf000) >> 8) | rev;
473		}
474		break;
475
476    	case 4:
477		sb->bd_flags |= BD_F_SB16;
478		if (sb->bd_flags & BD_F_SB16X) fmt = "SB16 ViBRA16X %d.%d";
479        	else fmt = "SoundBlaster 16 %d.%d";
480		break;
481
482    	default:
483		device_printf(dev, "failed to get SB version (%x)\n",
484			      sb->bd_id);
485		return ENXIO;
486    	}
487    	if (essver) snprintf(buf, sizeof buf, fmt, sb->bd_id & 0x000f);
488	else snprintf(buf, sizeof buf, fmt, sb->bd_id >> 8, sb->bd_id & 0xff);
489    	device_set_desc_copy(dev, buf);
490    	return sb_reset_dsp(sb);
491}
492
493static int
494sb_init(device_t dev, struct sb_info *sb)
495{
496    	int x, irq;
497
498    	sb->bd_flags &= ~BD_F_MIX_MASK;
499    	/* do various initializations depending on board id. */
500    	switch (sb->bd_id >> 8) {
501    	case 1: /* old sound blaster has nothing... */
502		break;
503
504    	case 2:
505		sb->bd_flags |= BD_F_DUP_MIDI;
506		if (sb->bd_id > 0x200) sb->bd_flags |= BD_F_MIX_CT1335;
507		break;
508
509    	case 3:
510		sb->bd_flags |= BD_F_DUP_MIDI | BD_F_MIX_CT1345;
511		break;
512
513    	case 4:
514    		sb->bd_flags |= BD_F_SB16 | BD_F_MIX_CT1745;
515		if (sb->dma16 != sb->dma8) sb->bd_flags |= BD_F_DUPLEX;
516
517		/* soft irq/dma configuration */
518		x = -1;
519		irq = rman_get_start(sb->irq);
520		if      (irq == 5) x = 2;
521		else if (irq == 7) x = 4;
522		else if (irq == 9) x = 1;
523		else if (irq == 10) x = 8;
524		if (x == -1) device_printf(dev,
525					   "bad irq %d (5/7/9/10 valid)\n",
526					   irq);
527		else sb_setmixer(sb, IRQ_NR, x);
528		sb_setmixer(sb, DMA_NR, (1 << sb->dma16) | (1 << sb->dma8));
529		break;
530    	}
531    	return 0;
532}
533
534static int
535sb_probe(device_t dev)
536{
537    	snddev_info *d = device_get_softc(dev);
538    	struct sb_info *sb;
539    	int allocated, i;
540    	int error;
541
542    	if (isa_get_vendorid(dev)) return ENXIO; /* not yet */
543
544    	device_set_desc(dev, "SoundBlaster");
545    	bzero(d, sizeof *d);
546    	sb = (struct sb_info *)malloc(sizeof *sb, M_DEVBUF, M_NOWAIT);
547    	if (!sb) return ENXIO;
548    	bzero(sb, sizeof *sb);
549
550    	allocated = 0;
551    	sb->io_rid = 0;
552    	sb->io_base = bus_alloc_resource(dev, SYS_RES_IOPORT, &sb->io_rid,
553				    	0, ~0, 16, RF_ACTIVE);
554    	if (!sb->io_base) {
555		BVDDB(printf("sb_probe: no addr, trying (0x220, 0x240)\n"));
556		allocated = 1;
557		sb->io_rid = 0;
558		sb->io_base = bus_alloc_resource(dev, SYS_RES_IOPORT,
559						 &sb->io_rid, 0x220, 0x22f,
560						 16, RF_ACTIVE);
561		if (!sb->io_base) {
562		    	sb->io_base = bus_alloc_resource(dev, SYS_RES_IOPORT,
563							 &sb->io_rid, 0x240,
564							 0x24f, 16, RF_ACTIVE);
565		}
566    	}
567    	if (!sb->io_base) return ENXIO;
568
569    	error = sb_reset_dsp(sb);
570    	if (error) goto no;
571    	error = sb_identify_board(dev, sb);
572    	if (error) goto no;
573no:
574    	i = sb->io_rid;
575    	sb_release_resources(sb, dev);
576    	if (allocated) ISA_DELETE_RESOURCE(device_get_parent(dev), dev,
577					   SYS_RES_IOPORT, i);
578    	return error;
579}
580
581static int
582sb_doattach(device_t dev, struct sb_info *sb)
583{
584    	snddev_info *d = device_get_softc(dev);
585    	void *ih;
586    	int error;
587    	char status[SND_STATUSLEN];
588
589    	sb->irq_rid = 0;
590    	sb->drq1_rid = 0;
591    	sb->drq2_rid = 1;
592    	if (sb_alloc_resources(sb, dev)) goto no;
593    	error = sb_reset_dsp(sb);
594    	if (error) goto no;
595    	error = sb_identify_board(dev, sb);
596    	if (error) goto no;
597
598    	sb_init(dev, sb);
599    	mixer_init(d, &sb_mixer, sb);
600	if (sb->bd_flags & BD_F_ESS)
601		bus_setup_intr(dev, sb->irq, INTR_TYPE_TTY, ess_intr, sb, &ih);
602	else
603		bus_setup_intr(dev, sb->irq, INTR_TYPE_TTY, sb_intr, sb, &ih);
604
605    	if (sb->bd_flags & BD_F_SB16)
606		pcm_setflags(dev, pcm_getflags(dev) | SD_F_EVILSB16);
607    	if (sb->dma16 == sb->dma8)
608		pcm_setflags(dev, pcm_getflags(dev) | SD_F_SIMPLEX);
609    	if (bus_dma_tag_create(/*parent*/NULL, /*alignment*/2, /*boundary*/0,
610			/*lowaddr*/BUS_SPACE_MAXADDR_24BIT,
611			/*highaddr*/BUS_SPACE_MAXADDR,
612			/*filter*/NULL, /*filterarg*/NULL,
613			/*maxsize*/DSP_BUFFSIZE, /*nsegments*/1,
614			/*maxsegz*/0x3ffff,
615			/*flags*/0, &sb->parent_dmat) != 0) {
616		device_printf(dev, "unable to create dma tag\n");
617		goto no;
618    	}
619
620    	snprintf(status, SND_STATUSLEN, "at io 0x%lx irq %ld drq %d",
621    	     	rman_get_start(sb->io_base), rman_get_start(sb->irq),
622		sb->dma8);
623    	if (sb->dma16 != sb->dma8) snprintf(status + strlen(status),
624    		SND_STATUSLEN - strlen(status), ":%d", sb->dma16);
625
626    	if (pcm_register(dev, sb, 1, 1)) goto no;
627	if (sb->bd_flags & BD_F_ESS) {
628		pcm_addchan(dev, PCMDIR_REC, &ess_chantemplate, sb);
629		pcm_addchan(dev, PCMDIR_PLAY, &ess_chantemplate, sb);
630	} else {
631		pcm_addchan(dev, PCMDIR_REC, &sb_chantemplate, sb);
632		pcm_addchan(dev, PCMDIR_PLAY, &sb_chantemplate, sb);
633	}
634    	pcm_setstatus(dev, status);
635
636    	return 0;
637
638no:
639    	sb_release_resources(sb, dev);
640    	return ENXIO;
641}
642
643static int
644sb_attach(device_t dev)
645{
646    	struct sb_info *sb;
647    	int flags = device_get_flags(dev);
648
649    	if (flags & DV_F_DUAL_DMA) {
650        	ISA_SET_RESOURCE(device_get_parent(dev), dev, SYS_RES_DRQ, 1,
651    		         	flags & DV_F_DRQ_MASK, 1);
652    	}
653    	sb = (struct sb_info *)malloc(sizeof *sb, M_DEVBUF, M_NOWAIT);
654    	if (!sb) return ENXIO;
655    	bzero(sb, sizeof *sb);
656
657    	/* XXX in probe should set io resource to right val instead of this */
658    	sb->io_rid = 0;
659    	sb->io_base = bus_alloc_resource(dev, SYS_RES_IOPORT, &sb->io_rid,
660				    	0, ~0, 16, RF_ACTIVE);
661    	if (!sb->io_base) {
662		BVDDB(printf("sb_probe: no addr, trying (0x220, 0x240)\n"));
663		sb->io_rid = 0;
664		sb->io_base = bus_alloc_resource(dev, SYS_RES_IOPORT,
665						 &sb->io_rid, 0x220, 0x22f,
666						 16, RF_ACTIVE);
667		if (!sb->io_base) {
668	    		sb->io_base = bus_alloc_resource(dev, SYS_RES_IOPORT,
669							 &sb->io_rid, 0x240,
670							 0x24f, 16, RF_ACTIVE);
671		}
672    	}
673    	if (!sb->io_base) return ENXIO;
674
675    	return sb_doattach(dev, sb);
676}
677
678static device_method_t sb_methods[] = {
679	/* Device interface */
680	DEVMETHOD(device_probe,		sb_probe),
681	DEVMETHOD(device_attach,	sb_attach),
682
683	{ 0, 0 }
684};
685
686static driver_t sb_driver = {
687	"pcm",
688	sb_methods,
689	sizeof(snddev_info),
690};
691
692DRIVER_MODULE(sb, isa, sb_driver, pcm_devclass, 0, 0);
693
694static void
695sb_intr(void *arg)
696{
697    	struct sb_info *sb = (struct sb_info *)arg;
698    	int reason = 3, c;
699
700    	/*
701     	* SB < 4.0 is half duplex and has only 1 bit for int source,
702     	* so we fake it. SB 4.x (SB16) has the int source in a separate
703     	* register.
704     	* The Vibra16X has separate flags for 8 and 16 bit transfers, but
705     	* I have no idea how to tell capture from playback interrupts...
706     	*/
707    	if (sb->bd_flags & BD_F_SB16) {
708    		c = sb_getmixer(sb, IRQ_STAT);
709    		/* this tells us if the source is 8-bit or 16-bit dma. We
710     		* have to check the io channel to map it to read or write...
711     		*/
712    		reason = 0;
713    		if (c & 1) { /* 8-bit dma */
714			if (sb->pch.fmt & AFMT_U8) reason |= 1;
715			if (sb->rch.fmt & AFMT_U8) reason |= 2;
716    		}
717    		if (c & 2) { /* 16-bit dma */
718			if (sb->pch.fmt & AFMT_S16_LE) reason |= 1;
719			if (sb->rch.fmt & AFMT_S16_LE) reason |= 2;
720    		}
721    	} else c = 1;
722#if 0
723    	printf("sb_intr: reason=%d c=0x%x\n", reason, c);
724#endif
725    	if ((reason & 1) && (sb->pch.buffer->dl > 0))
726		chn_intr(sb->pch.channel);
727    	if ((reason & 2) && (sb->rch.buffer->dl > 0))
728		chn_intr(sb->rch.channel);
729    	if (c & 1) sb_rd(sb, DSP_DATA_AVAIL); /* 8-bit int ack */
730    	if (c & 2) sb_rd(sb, DSP_DATA_AVL16); /* 16-bit int ack */
731}
732
733static void
734ess_intr(void *arg)
735{
736    struct sb_info *sb = (struct sb_info *)arg;
737    sb_rd(sb, DSP_DATA_AVAIL); /* int ack */
738#ifdef notyet
739    /*
740     * XXX
741     * for full-duplex mode:
742     * should read port 0x6 to identify where interrupt came from.
743     */
744#endif
745    /*
746     * We are transferring data in DSP normal mode,
747     * so clear the dl to indicate the DMA is stopped.
748     */
749    if (sb->pch.buffer->dl > 0) {
750	sb->pch.buffer->dl = -1;
751	chn_intr(sb->pch.channel);
752    }
753    if (sb->rch.buffer->dl > 0) {
754	sb->rch.buffer->dl = -1;
755	chn_intr(sb->rch.channel);
756    }
757}
758
759static int
760sb_format(struct sb_chinfo *ch, u_int32_t format)
761{
762	ch->fmt = format;
763	return 0;
764}
765
766static int
767sb_speed(struct sb_chinfo *ch, int speed)
768{
769    	struct sb_info *sb = ch->parent;
770    	int play = (ch->dir == PCMDIR_PLAY)? 1 : 0;
771    	int stereo = (ch->fmt & AFMT_STEREO)? 1 : 0;
772
773    	if (sb->bd_flags & BD_F_SB16) {
774		RANGE(speed, 5000, 45000);
775		sb_cmd(sb, 0x42 - play);
776    		sb_cmd(sb, speed >> 8);
777		sb_cmd(sb, speed & 0xff);
778    	} else {
779		u_char tconst;
780		int max_speed = 45000, tmp;
781        	u_long flags;
782
783    		/* here enforce speed limitations - max 22050 on sb 1.x*/
784    		if (sb->bd_id <= 0x200) max_speed = 22050;
785
786    		/*
787     	 	* SB models earlier than SB Pro have low limit for the
788     	 	* input rate. Note that this is only for input, but since
789     	 	* we do not support separate values for rec & play....
790     	 	*/
791		if (!play) {
792    			if (sb->bd_id <= 0x200) max_speed = 13000;
793    			else if (sb->bd_id < 0x300) max_speed = 15000;
794		}
795    		RANGE(speed, 4000, max_speed);
796    		if (stereo) speed <<= 1;
797
798    		/*
799     	 	* Now the speed should be valid. Compute the value to be
800     	 	* programmed into the board.
801     	 	*/
802    		if (speed > 22050) { /* High speed mode on 2.01/3.xx */
803			tconst = (u_char)
804				((65536 - ((256000000 + speed / 2) / speed))
805				>> 8);
806			sb->bd_flags |= BD_F_HISPEED;
807			tmp = 65536 - (tconst << 8);
808			speed = (256000000 + tmp / 2) / tmp;
809    		} else {
810			sb->bd_flags &= ~BD_F_HISPEED;
811			tconst = (256 - ((1000000 + speed / 2) / speed)) & 0xff;
812			tmp = 256 - tconst;
813			speed = (1000000 + tmp / 2) / tmp;
814    		}
815		flags = spltty();
816		sb_cmd1(sb, 0x40, tconst); /* set time constant */
817		splx(flags);
818    		if (stereo) speed >>= 1;
819    	}
820    	return speed;
821}
822
823static int
824sb_start(struct sb_chinfo *ch)
825{
826	struct sb_info *sb = ch->parent;
827    	int play = (ch->dir == PCMDIR_PLAY)? 1 : 0;
828    	int b16 = (ch->fmt & AFMT_S16_LE)? 1 : 0;
829    	int stereo = (ch->fmt & AFMT_STEREO)? 1 : 0;
830	int l = ch->buffer->dl;
831	u_char i1, i2 = 0;
832
833	if (b16) l >>= 1;
834	l--;
835	if (play) sb_cmd(sb, DSP_CMD_SPKON);
836	if (sb->bd_flags & BD_F_SB16) {
837	    i1 = DSP_F16_AUTO | DSP_F16_FIFO_ON |
838	         (play? DSP_F16_DAC : DSP_F16_ADC);
839	    i1 |= (b16 && (sb->bd_flags & BD_F_DUPLEX))? DSP_DMA16 : DSP_DMA8;
840	    i2 = (stereo? DSP_F16_STEREO : 0) | (b16? DSP_F16_SIGNED : 0);
841	    sb_cmd(sb, i1);
842	    sb_cmd2(sb, i2, l);
843	} else {
844	    if (sb->bd_flags & BD_F_HISPEED) i1 = play? 0x90 : 0x98;
845	    else i1 = play? 0x1c : 0x2c;
846	    sb_setmixer(sb, 0x0e, stereo? 2 : 0);
847	    /* an ESS extension -- they can do 16 bits */
848	    if (b16) i1 |= 1;
849	    sb_cmd2(sb, 0x48, l);
850	    sb_cmd(sb, i1);
851	}
852	sb->bd_flags |= BD_F_DMARUN << b16;
853	return 0;
854}
855
856static int
857sb_stop(struct sb_chinfo *ch)
858{
859	struct sb_info *sb = ch->parent;
860    	int play = (ch->dir == PCMDIR_PLAY)? 1 : 0;
861    	int b16 = (ch->fmt & AFMT_S16_LE)? 1 : 0;
862
863    	if (sb->bd_flags & BD_F_HISPEED) sb_reset_dsp(sb);
864	else {
865		sb_cmd(sb, b16? DSP_CMD_DMAPAUSE_16 : DSP_CMD_DMAPAUSE_8);
866	       /*
867		* The above seems to have the undocumented side effect of
868		* blocking the other side as well. If the other
869		* channel was active (SB16) I have to re-enable it :(
870		*/
871		if (sb->bd_flags & (BD_F_DMARUN << (1 - b16)))
872			sb_cmd(sb, b16? 0xd4 : 0xd6 );
873	}
874	if (play) sb_cmd(sb, DSP_CMD_SPKOFF); /* speaker off */
875	sb->bd_flags &= ~(BD_F_DMARUN << b16);
876	return 0;
877}
878
879/* utility functions for ESS */
880static int
881ess_format(struct sb_chinfo *ch, u_int32_t format)
882{
883	struct sb_info *sb = ch->parent;
884	int play = (ch->dir == PCMDIR_PLAY)? 1 : 0;
885	int b16 = (ch->fmt & AFMT_S16_LE)? 1 : 0;
886	int stereo = (ch->fmt & AFMT_STEREO)? 1 : 0;
887	u_char c;
888	ch->fmt = format;
889	sb_reset_dsp(sb);
890	/* normal DMA mode */
891	ess_write(sb, 0xb8, play ? 0x00 : 0x0a);
892	/* mono/stereo */
893	c = (ess_read(sb, 0xa8) & ~0x03) | 1;
894	if (!stereo) c++;
895	ess_write(sb, 0xa8, c);
896	/* demand mode, 4 bytes/xfer */
897	ess_write(sb, 0xb9, 2);
898	/* setup dac/adc */
899	if (play) ess_write(sb, 0xb6, b16? 0x00 : 0x80);
900	ess_write(sb, 0xb7, 0x51 | (b16? 0x20 : 0x00));
901	ess_write(sb, 0xb7, 0x98 + (b16? 0x24 : 0x00) + (stereo? 0x00 : 0x38));
902	/* irq/drq control */
903	ess_write(sb, 0xb1, (ess_read(sb, 0xb1) & 0x0f) | 0x50);
904	ess_write(sb, 0xb2, (ess_read(sb, 0xb2) & 0x0f) | 0x50);
905	return 0;
906}
907
908static int
909ess_speed(struct sb_chinfo *ch, int speed)
910{
911	struct sb_info *sb = ch->parent;
912	int t;
913	RANGE (speed, 5000, 49000);
914	if (speed > 22000) {
915		t = (795500 + speed / 2) / speed;
916		speed = (795500 + t / 2) / t;
917	t = (256 - t ) | 0x80;
918	} else {
919		t = (397700 + speed / 2) / speed;
920		speed = (397700 + t / 2) / t;
921		t = 128 - t;
922	}
923	ess_write(sb, 0xa1, t); /* set time constant */
924#if 0
925	d->play_speed = d->rec_speed = speed;
926	speed = (speed * 9 ) / 20;
927#endif
928	t = 256 - 7160000 / ((speed * 9 / 20) * 82);
929	ess_write(sb, 0xa2, t);
930	return speed;
931}
932
933static int
934ess_start(struct sb_chinfo *ch)
935{
936	struct sb_info *sb = ch->parent;
937    	int play = (ch->dir == PCMDIR_PLAY)? 1 : 0;
938	short c = - ch->buffer->dl;
939	u_char c1;
940	/*
941	 * clear bit 0 of register B8h
942	 */
943#if 1
944	c1 = play ? 0x00 : 0x0a;
945	ess_write(sb, 0xb8, c1++);
946#else
947	c1 = ess_read(sb, 0xb8) & 0xfe;
948	ess_write(sb, 0xb8, c1++);
949#endif
950	/*
951	 * update ESS Transfer Count Register
952	 */
953	ess_write(sb, 0xa4, (u_char)((u_short)c & 0xff));
954	ess_write(sb, 0xa5, (u_char)(((u_short)c >> 8) & 0xff));
955	/*
956	 * set bit 0 of register B8h
957	 */
958	ess_write(sb, 0xb8, c1);
959	if (play)
960		sb_cmd(sb, DSP_CMD_SPKON);
961	return 0;
962}
963
964static int
965ess_stop(struct sb_chinfo *ch)
966{
967	struct sb_info *sb = ch->parent;
968	/*
969	 * no need to send a stop command if the DMA has already stopped.
970	 */
971	if (ch->buffer->dl > 0) {
972		sb_cmd(sb, DSP_CMD_DMAPAUSE_8); /* pause dma. */
973	}
974	return 0;
975}
976
977static int
978ess_abort(struct sb_chinfo *ch)
979{
980	struct sb_info *sb = ch->parent;
981    	int play = (ch->dir == PCMDIR_PLAY)? 1 : 0;
982	if (play) sb_cmd(sb, DSP_CMD_SPKOFF); /* speaker off */
983	sb_reset_dsp(sb);
984	ess_format(ch, ch->fmt);
985	ess_speed(ch, ch->channel->speed);
986	return 0;
987}
988
989/* channel interface */
990static void *
991sbchan_init(void *devinfo, snd_dbuf *b, pcm_channel *c, int dir)
992{
993	struct sb_info *sb = devinfo;
994	struct sb_chinfo *ch = (dir == PCMDIR_PLAY)? &sb->pch : &sb->rch;
995
996	ch->parent = sb;
997	ch->channel = c;
998	ch->buffer = b;
999	ch->buffer->bufsize = DSP_BUFFSIZE;
1000	if (chn_allocbuf(ch->buffer, sb->parent_dmat) == -1) return NULL;
1001	ch->buffer->chan = (dir == PCMDIR_PLAY)? sb->dma16 : sb->dma8;
1002	return ch;
1003}
1004
1005static int
1006sbchan_setdir(void *data, int dir)
1007{
1008	struct sb_chinfo *ch = data;
1009	ch->dir = dir;
1010	return 0;
1011}
1012
1013static int
1014sbchan_setformat(void *data, u_int32_t format)
1015{
1016	struct sb_chinfo *ch = data;
1017	sb_format(ch, format);
1018	return 0;
1019}
1020
1021static int
1022sbchan_setspeed(void *data, u_int32_t speed)
1023{
1024	struct sb_chinfo *ch = data;
1025	return sb_speed(ch, speed);
1026}
1027
1028static int
1029sbchan_setblocksize(void *data, u_int32_t blocksize)
1030{
1031	return blocksize;
1032}
1033
1034static int
1035sbchan_trigger(void *data, int go)
1036{
1037	struct sb_chinfo *ch = data;
1038	buf_isadma(ch->buffer, go);
1039	if (go == PCMTRIG_START) sb_start(ch); else sb_stop(ch);
1040	return 0;
1041}
1042
1043static int
1044sbchan_getptr(void *data)
1045{
1046	struct sb_chinfo *ch = data;
1047	return buf_isadmaptr(ch->buffer);
1048}
1049
1050static pcmchan_caps *
1051sbchan_getcaps(void *data)
1052{
1053	struct sb_chinfo *ch = data;
1054	int p = (ch->dir == PCMDIR_PLAY)? 1 : 0;
1055	if (ch->parent->bd_id <= 0x200)
1056		return p? &sb_playcaps : &sb_reccaps;
1057	else if (ch->parent->bd_id >= 0x400)
1058		return p? &sb16_playcaps : &sb16_reccaps;
1059	else
1060		return p? &sbpro_playcaps : &sbpro_reccaps;
1061}
1062/* channel interface for ESS18xx */
1063#ifdef notyet
1064static void *
1065esschan_init(void *devinfo, snd_dbuf *b, pcm_channel *c, int dir)
1066{
1067	/* the same as sbchan_init()? */
1068}
1069#endif
1070
1071static int
1072esschan_setdir(void *data, int dir)
1073{
1074	struct sb_chinfo *ch = data;
1075	ch->dir = dir;
1076	return 0;
1077}
1078
1079static int
1080esschan_setformat(void *data, u_int32_t format)
1081{
1082	struct sb_chinfo *ch = data;
1083	ess_format(ch, format);
1084	return 0;
1085}
1086
1087static int
1088esschan_setspeed(void *data, u_int32_t speed)
1089{
1090	struct sb_chinfo *ch = data;
1091	return ess_speed(ch, speed);
1092}
1093
1094static int
1095esschan_setblocksize(void *data, u_int32_t blocksize)
1096{
1097	return blocksize;
1098}
1099
1100static int
1101esschan_trigger(void *data, int go)
1102{
1103	struct sb_chinfo *ch = data;
1104	switch (go) {
1105	case PCMTRIG_START:
1106		if (!ch->ess_dma_started)
1107			buf_isadma(ch->buffer, go);
1108		ch->ess_dma_started = 1;
1109		ess_start(ch);
1110		break;
1111	case PCMTRIG_STOP:
1112		if (ch->buffer->dl >= 0) {
1113			buf_isadma(ch->buffer, go);
1114			ch->ess_dma_started = 0;
1115			ess_stop(ch);
1116		}
1117		break;
1118	case PCMTRIG_ABORT:
1119	default:
1120		ch->ess_dma_started = 0;
1121		ess_abort(ch);
1122		buf_isadma(ch->buffer, go);
1123		break;
1124	}
1125	return 0;
1126}
1127
1128static int
1129esschan_getptr(void *data)
1130{
1131	struct sb_chinfo *ch = data;
1132	return buf_isadmaptr(ch->buffer);
1133}
1134
1135static pcmchan_caps *
1136esschan_getcaps(void *data)
1137{
1138	struct sb_chinfo *ch = data;
1139	return (ch->dir == PCMDIR_PLAY)? &ess_playcaps : &ess_reccaps;
1140}
1141
1142/************************************************************/
1143
1144static int
1145sbmix_init(snd_mixer *m)
1146{
1147    	struct sb_info *sb = mix_getdevinfo(m);
1148
1149    	switch (sb->bd_flags & BD_F_MIX_MASK) {
1150    	case BD_F_MIX_CT1345: /* SB 3.0 has 1345 mixer */
1151		mix_setdevs(m, SBPRO_MIXER_DEVICES);
1152		mix_setrecdevs(m, SBPRO_RECORDING_DEVICES);
1153		sb_setmixer(sb, 0, 1); /* reset mixer */
1154		sb_setmixer(sb, MIC_VOL, 0x6); /* mic volume max */
1155		sb_setmixer(sb, RECORD_SRC, 0x0); /* mic source */
1156		sb_setmixer(sb, FM_VOL, 0x0); /* no midi */
1157		break;
1158
1159    	case BD_F_MIX_CT1745: /* SB16 mixer ... */
1160		mix_setdevs(m, SB16_MIXER_DEVICES);
1161		mix_setrecdevs(m, SB16_RECORDING_DEVICES);
1162		sb_setmixer(sb, 0x3c, 0x1f); /* make all output active */
1163		sb_setmixer(sb, 0x3d, 0); /* make all inputs-l off */
1164		sb_setmixer(sb, 0x3e, 0); /* make all inputs-r off */
1165    	}
1166    	return 0;
1167}
1168
1169static int
1170sbmix_set(snd_mixer *m, unsigned dev, unsigned left, unsigned right)
1171{
1172    	struct sb_info *sb = mix_getdevinfo(m);
1173    	int regoffs;
1174    	u_char   val;
1175    	mixer_tab *iomap;
1176
1177    	switch (sb->bd_flags & BD_F_MIX_MASK) {
1178    	case BD_F_MIX_CT1345:
1179		iomap = &sbpro_mix;
1180		break;
1181
1182    	case BD_F_MIX_CT1745:
1183		iomap = &sb16_mix;
1184		break;
1185
1186    	default:
1187        	return -1;
1188    	/* XXX how about the SG NX Pro, iomap = sgnxpro_mix */
1189    	}
1190    	regoffs = (*iomap)[dev][LEFT_CHN].regno;
1191    	if (regoffs == 0) return -1;
1192    	val = sb_getmixer(sb, regoffs);
1193    	change_bits(iomap, &val, dev, LEFT_CHN, left);
1194    	sb_setmixer(sb, regoffs, val);
1195    	if ((*iomap)[dev][RIGHT_CHN].regno != regoffs) { /* Change register */
1196        	regoffs = (*iomap)[dev][RIGHT_CHN].regno;
1197        	if (regoffs != 0) {
1198            		val = sb_getmixer(sb, regoffs); /* Read the new one */
1199            		change_bits(iomap, &val, dev, RIGHT_CHN, right);
1200            		sb_setmixer(sb, regoffs, val);
1201        	} else right = left;
1202    	} else right = left;
1203    	return left | (right << 8);
1204}
1205
1206static int
1207sbmix_setrecsrc(snd_mixer *m, u_int32_t src)
1208{
1209    	struct sb_info *sb = mix_getdevinfo(m);
1210    	u_char recdev;
1211
1212    	switch (sb->bd_flags & BD_F_MIX_MASK) {
1213    	case BD_F_MIX_CT1345:
1214		if      (src == SOUND_MASK_LINE) 	recdev = 0x06;
1215		else if (src == SOUND_MASK_CD) 		recdev = 0x02;
1216		else { /* default: mic */
1217	    		src = SOUND_MASK_MIC;
1218	    		recdev = 0;
1219		}
1220		sb_setmixer(sb, RECORD_SRC, recdev |
1221			    (sb_getmixer(sb, RECORD_SRC) & ~0x07));
1222		break;
1223
1224    	case BD_F_MIX_CT1745: /* sb16 */
1225		recdev = 0;
1226		if (src & SOUND_MASK_MIC)   recdev |= 0x01; /* mono mic */
1227		if (src & SOUND_MASK_CD)    recdev |= 0x06; /* l+r cd */
1228		if (src & SOUND_MASK_LINE)  recdev |= 0x18; /* l+r line */
1229		if (src & SOUND_MASK_SYNTH) recdev |= 0x60; /* l+r midi */
1230		sb_setmixer(sb, SB16_IMASK_L, recdev);
1231		sb_setmixer(sb, SB16_IMASK_R, recdev);
1232		/*
1233	 	* since the same volume controls apply to the input and
1234	 	* output sections, the best approach to have a consistent
1235	 	* behaviour among cards would be to disable the output path
1236	 	* on devices which are used to record.
1237	 	* However, since users like to have feedback, we only disable
1238	 	* the mic -- permanently.
1239	 	*/
1240        	sb_setmixer(sb, SB16_OMASK, 0x1f & ~1);
1241		break;
1242       	}
1243    	return src;
1244}
1245
1246#if NPNP > 0
1247static int
1248sbpnp_probe(device_t dev)
1249{
1250    	char *s = NULL;
1251    	u_int32_t logical_id = isa_get_logicalid(dev);
1252
1253    	switch(logical_id) {
1254    	case 0x43008c0e: /* CTL0043 */
1255    	case 0x01008c0e: /* CTL0001 */
1256		s = "Vibra16X";
1257		break;
1258
1259    	case 0x31008c0e: /* CTL0031 */
1260    	case 0x41008c0e: /* CTL0041 */
1261    	case 0x42008c0e: /* CTL0042 */
1262    	case 0x44008c0e: /* CTL0044 */
1263    	case 0x45008c0e: /* CTL0045 */
1264		s = "SB16 PnP";
1265		break;
1266
1267    	case 0x01100000: /* @@@1001 */
1268    		s = "Avance Asound 110";
1269		break;
1270
1271    	case 0x01200000: /* @@@2001 */
1272        	s = "Avance Logic ALS120";
1273		break;
1274
1275    	case 0x68187316: /* ESS1868 */
1276		s = "ESS1868";
1277		break;
1278    	}
1279    	if (s) {
1280		device_set_desc(dev, s);
1281		return 0;
1282    	}
1283    	return ENXIO;
1284}
1285
1286static int
1287sbpnp_attach(device_t dev)
1288{
1289    	struct sb_info *sb;
1290    	u_int32_t vend_id = isa_get_vendorid(dev);
1291
1292    	sb = (struct sb_info *)malloc(sizeof *sb, M_DEVBUF, M_NOWAIT);
1293    	if (!sb) return ENXIO;
1294    	bzero(sb, sizeof *sb);
1295
1296    	switch(vend_id) {
1297    	case 0xf0008c0e:
1298    	case 0x10019305:
1299    	case 0x20019305:
1300		/* XXX add here the vend_id for other vibra16X cards... */
1301		sb->bd_flags = BD_F_SB16X;
1302    	}
1303    	return sb_doattach(dev, sb);
1304}
1305
1306static device_method_t sbpnp_methods[] = {
1307	/* Device interface */
1308	DEVMETHOD(device_probe,		sbpnp_probe),
1309	DEVMETHOD(device_attach,	sbpnp_attach),
1310
1311	{ 0, 0 }
1312};
1313
1314static driver_t sbpnp_driver = {
1315	"pcm",
1316	sbpnp_methods,
1317	sizeof(snddev_info),
1318};
1319
1320DRIVER_MODULE(sbpnp, isa, sbpnp_driver, pcm_devclass, 0, 0);
1321
1322#endif /* NPNP > 0 */
1323
1324#endif /* NPCM > 0 */
1325
1326
1327