sbc.c revision 57838
1/*-
2 * Copyright (c) 1999 Seigo Tanimura
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 *    notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 *    notice, this list of conditions and the following disclaimer in the
12 *    documentation and/or other materials provided with the distribution.
13 *
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24 * SUCH DAMAGE.
25 *
26 * $FreeBSD: head/sys/dev/sound/isa/sbc.c 57838 2000-03-09 02:13:21Z tanimura $
27 */
28
29#include "isa.h"
30
31#include <dev/sound/chip.h>
32#include <dev/sound/pcm/sound.h>
33#include  <dev/sound/isa/sb.h>
34
35#define IO_MAX	3
36#define IRQ_MAX	1
37#define DRQ_MAX	2
38#define INTR_MAX	2
39
40struct sbc_ihl {
41	driver_intr_t *intr[INTR_MAX];
42	void *intr_arg[INTR_MAX];
43};
44
45/* Here is the parameter structure per a device. */
46struct sbc_softc {
47	device_t dev; /* device */
48
49	int io_rid[IO_MAX]; /* io port rids */
50	struct resource *io[IO_MAX]; /* io port resources */
51	int io_alloced[IO_MAX]; /* io port alloc flag */
52
53	int irq_rid[IRQ_MAX]; /* irq rids */
54	struct resource *irq[IRQ_MAX]; /* irq resources */
55	int irq_alloced[IRQ_MAX]; /* irq alloc flag */
56
57	int drq_rid[DRQ_MAX]; /* drq rids */
58	struct resource *drq[DRQ_MAX]; /* drq resources */
59	int drq_alloced[DRQ_MAX]; /* drq alloc flag */
60
61	struct sbc_ihl ihl[IRQ_MAX];
62
63	void *ih;
64
65	u_int32_t bd_ver;
66};
67
68static int sbc_probe(device_t dev);
69static int sbc_attach(device_t dev);
70static void sbc_intr(void *p);
71
72static struct resource *sbc_alloc_resource(device_t bus, device_t child, int type, int *rid,
73					   u_long start, u_long end, u_long count, u_int flags);
74static int sbc_release_resource(device_t bus, device_t child, int type, int rid,
75				struct resource *r);
76static int sbc_setup_intr(device_t dev, device_t child, struct resource *irq,
77   	       int flags, driver_intr_t *intr, void *arg,
78   	       void **cookiep);
79static int sbc_teardown_intr(device_t dev, device_t child, struct resource *irq,
80  		  void *cookie);
81
82static int alloc_resource(struct sbc_softc *scp);
83static int release_resource(struct sbc_softc *scp);
84
85static devclass_t sbc_devclass;
86
87static int io_range[3] = {0x10, 0x2, 0x4};
88
89static int sb_rd(struct resource *io, int reg);
90static void sb_wr(struct resource *io, int reg, u_int8_t val);
91static int sb_dspready(struct resource *io);
92static int sb_cmd(struct resource *io, u_char val);
93static u_int sb_get_byte(struct resource *io);
94static void sb_setmixer(struct resource *io, u_int port, u_int value);
95
96static int
97sb_rd(struct resource *io, int reg)
98{
99	return bus_space_read_1(rman_get_bustag(io),
100				rman_get_bushandle(io),
101				reg);
102}
103
104static void
105sb_wr(struct resource *io, int reg, u_int8_t val)
106{
107	return bus_space_write_1(rman_get_bustag(io),
108				 rman_get_bushandle(io),
109				 reg, val);
110}
111
112static int
113sb_dspready(struct resource *io)
114{
115	return ((sb_rd(io, SBDSP_STATUS) & 0x80) == 0);
116}
117
118static int
119sb_dspwr(struct resource *io, u_char val)
120{
121    	int  i;
122
123    	for (i = 0; i < 1000; i++) {
124		if (sb_dspready(io)) {
125	    		sb_wr(io, SBDSP_CMD, val);
126	    		return 1;
127		}
128		if (i > 10) DELAY((i > 100)? 1000 : 10);
129    	}
130    	printf("sb_dspwr(0x%02x) timed out.\n", val);
131    	return 0;
132}
133
134static int
135sb_cmd(struct resource *io, u_char val)
136{
137    	return sb_dspwr(io, val);
138}
139
140static void
141sb_setmixer(struct resource *io, u_int port, u_int value)
142{
143    	u_long   flags;
144
145    	flags = spltty();
146    	sb_wr(io, SB_MIX_ADDR, (u_char) (port & 0xff)); /* Select register */
147    	DELAY(10);
148    	sb_wr(io, SB_MIX_DATA, (u_char) (value & 0xff));
149    	DELAY(10);
150    	splx(flags);
151}
152
153static u_int
154sb_get_byte(struct resource *io)
155{
156    	int i;
157
158    	for (i = 1000; i > 0; i--) {
159		if (sb_rd(io, DSP_DATA_AVAIL) & 0x80)
160			return sb_rd(io, DSP_READ);
161		else
162			DELAY(20);
163    	}
164    	return 0xffff;
165}
166
167static int
168sb_reset_dsp(struct resource *io)
169{
170    	sb_wr(io, SBDSP_RST, 3);
171    	DELAY(100);
172    	sb_wr(io, SBDSP_RST, 0);
173    	return (sb_get_byte(io) == 0xAA)? 0 : ENXIO;
174}
175
176static int
177sb_identify_board(struct resource *io)
178{
179	int ver, essver, rev;
180
181    	sb_cmd(io, DSP_CMD_GETVER);	/* Get version */
182    	ver = (sb_get_byte(io) << 8) | sb_get_byte(io);
183	if (ver < 0x100 || ver > 0x4ff) return 0;
184    	if (ver == 0x0301) {
185	    	/* Try to detect ESS chips. */
186	    	sb_cmd(io, DSP_CMD_GETID); /* Return ident. bytes. */
187	    	essver = (sb_get_byte(io) << 8) | sb_get_byte(io);
188	    	rev = essver & 0x000f;
189	    	essver &= 0xfff0;
190	    	if (essver == 0x4880) ver |= 0x1000;
191	    	else if (essver == 0x6880) ver = 0x0500 | rev;
192	}
193	return ver;
194}
195
196static struct isa_pnp_id sbc_ids[] = {
197	{0x01008c0e, "Creative ViBRA16C"},		/* CTL0001 */
198	{0x31008c0e, "Creative SB16/SB32"},		/* CTL0031 */
199	{0x41008c0e, "Creative SB16/SB32"},		/* CTL0041 */
200	{0x42008c0e, "Creative SB AWE64"},		/* CTL0042 */
201	{0x43008c0e, "Creative ViBRA16X"},		/* CTL0043 */
202	{0x44008c0e, "Creative SB AWE64 Gold"},		/* CTL0044 */
203	{0x45008c0e, "Creative SB AWE64"},		/* CTL0045 */
204
205	{0x01000000, "Avance Logic ALS100+"},		/* @@@0001 */
206	{0x01100000, "Avance Asound 110"},		/* @@@1001 */
207	{0x01200000, "Avance Logic ALS120"},		/* @@@2001 */
208
209	{0x02017316, "ESS ES1688"},			/* ESS1688 */
210	{0x68187316, "ESS ES1868"},			/* ESS1868 */
211	{0x69187316, "ESS ES1869"},			/* ESS1869 */
212	{0xacb0110e, "ESS ES1869 (Compaq OEM)"},	/* CPQb0ac */
213	{0x78187316, "ESS ES1878"},			/* ESS1878 */
214	{0x79187316, "ESS ES1879"},			/* ESS1879 */
215	{0x88187316, "ESS ES1888"},			/* ESS1888 */
216	{0x07017316, "ESS ES1888 (DEC OEM)"},		/* ESS0107 */
217	{0}
218};
219
220static int
221sbc_probe(device_t dev)
222{
223	char *s = NULL;
224	u_int32_t lid, vid;
225
226	lid = isa_get_logicalid(dev);
227	vid = isa_get_vendorid(dev);
228	if (lid) {
229		if (lid == 0x01000000 && vid != 0x01009305) /* ALS0001 */
230			return ENXIO;
231		/* Check pnp ids */
232		return ISA_PNP_PROBE(device_get_parent(dev), dev, sbc_ids);
233	} else {
234		int rid = 0, ver;
235	    	struct resource *io;
236
237		io = bus_alloc_resource(dev, SYS_RES_IOPORT, &rid,
238		  		    	0, ~0, 16, RF_ACTIVE);
239		if (!io) goto bad;
240    		if (sb_reset_dsp(io)) goto bad2;
241		ver = sb_identify_board(io);
242		if (ver == 0) goto bad2;
243		switch ((ver & 0x00000f00) >> 8) {
244		case 1:
245		case 2:
246			s = "Soundblaster";
247			break;
248
249		case 3:
250			s = (ver & 0x0000f000)? "ESS 488" : "Soundblaster Pro";
251			break;
252
253		case 4:
254			s = "Soundblaster 16";
255			break;
256
257		case 5:
258			s = (ver & 0x00000008)? "ESS 688" : "ESS 1688";
259			break;
260	     	}
261		if (s) device_set_desc(dev, s);
262bad2:		bus_release_resource(dev, SYS_RES_IOPORT, rid, io);
263bad:		return s? 0 : ENXIO;
264	}
265}
266
267static int
268sbc_attach(device_t dev)
269{
270	char *err = NULL;
271	struct sbc_softc *scp;
272	struct sndcard_func *func;
273	device_t child;
274	u_int32_t logical_id = isa_get_logicalid(dev);
275    	int flags = device_get_flags(dev);
276	int f, dh, dl, x, irq, i;
277
278    	if (!logical_id && (flags & DV_F_DUAL_DMA)) {
279        	bus_set_resource(dev, SYS_RES_DRQ, 1,
280				 flags & DV_F_DRQ_MASK, 1);
281    	}
282
283	scp = device_get_softc(dev);
284	bzero(scp, sizeof(*scp));
285	scp->dev = dev;
286	err = "alloc_resource";
287	if (alloc_resource(scp)) goto bad;
288
289	err = "sb_reset_dsp";
290	if (sb_reset_dsp(scp->io[0])) goto bad;
291	err = "sb_identify_board";
292	scp->bd_ver = sb_identify_board(scp->io[0]) & 0x00000fff;
293	if (scp->bd_ver == 0) goto bad;
294	f = 0;
295	switch ((scp->bd_ver & 0x0f00) >> 8) {
296    	case 1: /* old sound blaster has nothing... */
297		break;
298
299    	case 2:
300		f |= BD_F_DUP_MIDI;
301		if (scp->bd_ver > 0x200) f |= BD_F_MIX_CT1335;
302		break;
303
304	case 5:
305		f |= BD_F_ESS;
306		scp->bd_ver = 0x0301;
307    	case 3:
308		f |= BD_F_DUP_MIDI | BD_F_MIX_CT1345;
309		break;
310
311    	case 4:
312    		f |= BD_F_SB16 | BD_F_MIX_CT1745;
313		if (scp->drq[0]) dl = rman_get_start(scp->drq[0]); else dl = -1;
314		if (scp->drq[1]) dh = rman_get_start(scp->drq[1]); else dh = dl;
315		if (!logical_id && (dh < dl)) {
316			struct resource *r;
317			r = scp->drq[0];
318			scp->drq[0] = scp->drq[1];
319			scp->drq[1] = r;
320			dl = rman_get_start(scp->drq[0]);
321			dh = rman_get_start(scp->drq[1]);
322		}
323		/* soft irq/dma configuration */
324		x = -1;
325		irq = rman_get_start(scp->irq[0]);
326		if      (irq == 5) x = 2;
327		else if (irq == 7) x = 4;
328		else if (irq == 9) x = 1;
329		else if (irq == 10) x = 8;
330		if (x == -1) {
331			err = "bad irq (5/7/9/10 valid)";
332			goto bad;
333		}
334		else sb_setmixer(scp->io[0], IRQ_NR, x);
335		sb_setmixer(scp->io[0], DMA_NR, (1 << dh) | (1 << dl));
336		device_printf(dev, "setting card to irq %d, drq %d", irq, dl);
337		if (dl != dh) printf(", %d", dh);
338		printf("\n");
339		break;
340    	}
341
342	switch (logical_id) {
343    	case 0x43008c0e:	/* CTL0043 */
344		f |= BD_F_SB16X;
345		break;
346	}
347	scp->bd_ver |= f << 16;
348
349	err = "setup_intr";
350	for (i = 0; i < IRQ_MAX; i++) {
351		if (bus_setup_intr(dev, scp->irq[i], INTR_TYPE_TTY, sbc_intr, &scp->ihl[i], &scp->ih))
352			goto bad;
353	}
354
355	/* PCM Audio */
356	func = malloc(sizeof(struct sndcard_func), M_DEVBUF, M_NOWAIT);
357	if (func == NULL) goto bad;
358	bzero(func, sizeof(*func));
359	func->func = SCF_PCM;
360	child = device_add_child(dev, "pcm", -1);
361	device_set_ivars(child, func);
362
363#if notyet
364	/* Midi Interface */
365	func = malloc(sizeof(struct sndcard_func), M_DEVBUF, M_NOWAIT);
366	if (func == NULL) goto bad;
367	bzero(func, sizeof(*func));
368	func->func = SCF_MIDI;
369	child = device_add_child(dev, "midi", -1);
370	device_set_ivars(child, func);
371
372	/* OPL FM Synthesizer */
373	func = malloc(sizeof(struct sndcard_func), M_DEVBUF, M_NOWAIT);
374	if (func == NULL) goto bad;
375	bzero(func, sizeof(*func));
376	func->func = SCF_SYNTH;
377	child = device_add_child(dev, "midi", -1);
378	device_set_ivars(child, func);
379#endif /* notyet */
380
381	/* probe/attach kids */
382	bus_generic_attach(dev);
383
384	return (0);
385
386bad:	if (err) device_printf(dev, "%s\n", err);
387	release_resource(scp);
388	return (ENXIO);
389}
390
391static void
392sbc_intr(void *p)
393{
394	struct sbc_ihl *ihl = p;
395	int i;
396
397	i = 0;
398	while (i < INTR_MAX) {
399		if (ihl->intr[i] != NULL) ihl->intr[i](ihl->intr_arg[i]);
400		i++;
401	}
402}
403
404static int
405sbc_setup_intr(device_t dev, device_t child, struct resource *irq,
406   	       int flags, driver_intr_t *intr, void *arg,
407   	       void **cookiep)
408{
409	struct sbc_softc *scp = device_get_softc(dev);
410	struct sbc_ihl *ihl = NULL;
411	int i;
412
413	i = 0;
414	while (i < IRQ_MAX) {
415		if (irq == scp->irq[i]) ihl = &scp->ihl[i];
416		i++;
417	}
418	if (ihl == NULL) return (EINVAL);
419	i = 0;
420	while (i < INTR_MAX) {
421		if (ihl->intr[i] == NULL) {
422			ihl->intr[i] = intr;
423			ihl->intr_arg[i] = arg;
424			*cookiep = &ihl->intr[i];
425			return 0;
426		} else i++;
427	}
428	return (EINVAL);
429}
430
431static int
432sbc_teardown_intr(device_t dev, device_t child, struct resource *irq,
433  		  void *cookie)
434{
435	struct sbc_softc *scp = device_get_softc(dev);
436	struct sbc_ihl *ihl = NULL;
437	int i;
438
439	i = 0;
440	while (i < IRQ_MAX) {
441		if (irq == scp->irq[i]) ihl = &scp->ihl[i];
442		i++;
443	}
444	if (ihl == NULL) return (EINVAL);
445	i = 0;
446	while (i < INTR_MAX) {
447		if (cookie == &ihl->intr[i]) {
448			ihl->intr[i] = NULL;
449			ihl->intr_arg[i] = NULL;
450			return 0;
451		} else i++;
452	}
453	return (EINVAL);
454}
455
456static struct resource *
457sbc_alloc_resource(device_t bus, device_t child, int type, int *rid,
458		      u_long start, u_long end, u_long count, u_int flags)
459{
460	struct sbc_softc *scp;
461	int *alloced, rid_max, alloced_max;
462	struct resource **res;
463
464	scp = device_get_softc(bus);
465	switch (type) {
466	case SYS_RES_IOPORT:
467		alloced = scp->io_alloced;
468		res = scp->io;
469		rid_max = IO_MAX - 1;
470		alloced_max = 1;
471		break;
472	case SYS_RES_DRQ:
473		alloced = scp->drq_alloced;
474		res = scp->drq;
475		rid_max = DRQ_MAX - 1;
476		alloced_max = 1;
477		break;
478	case SYS_RES_IRQ:
479		alloced = scp->irq_alloced;
480		res = scp->irq;
481		rid_max = IRQ_MAX - 1;
482		alloced_max = INTR_MAX; /* pcm and mpu may share the irq. */
483		break;
484	default:
485		return (NULL);
486	}
487
488	if (*rid > rid_max || alloced[*rid] == alloced_max)
489		return (NULL);
490
491	alloced[*rid]++;
492	return (res[*rid]);
493}
494
495static int
496sbc_release_resource(device_t bus, device_t child, int type, int rid,
497			struct resource *r)
498{
499	struct sbc_softc *scp;
500	int *alloced, rid_max;
501
502	scp = device_get_softc(bus);
503	switch (type) {
504	case SYS_RES_IOPORT:
505		alloced = scp->io_alloced;
506		rid_max = IO_MAX - 1;
507		break;
508	case SYS_RES_DRQ:
509		alloced = scp->drq_alloced;
510		rid_max = DRQ_MAX - 1;
511		break;
512	case SYS_RES_IRQ:
513		alloced = scp->irq_alloced;
514		rid_max = IRQ_MAX - 1;
515		break;
516	default:
517		return (1);
518	}
519
520	if (rid > rid_max || alloced[rid] == 0)
521		return (1);
522
523	alloced[rid]--;
524	return (0);
525}
526
527static int
528sbc_read_ivar(device_t bus, device_t dev, int index, uintptr_t * result)
529{
530	struct sbc_softc *scp = device_get_softc(bus);
531	struct sndcard_func *func = device_get_ivars(dev);
532
533	switch (index) {
534	case 0:
535		*result = func->func;
536		break;
537
538	case 1:
539		*result = scp->bd_ver;
540	      	break;
541
542	default:
543		return ENOENT;
544	}
545
546	return 0;
547}
548
549static int
550sbc_write_ivar(device_t bus, device_t dev,
551	       int index, uintptr_t value)
552{
553	switch (index) {
554	case 0:
555	case 1:
556  		return EINVAL;
557
558	default:
559		return (ENOENT);
560	}
561}
562
563static int
564alloc_resource(struct sbc_softc *scp)
565{
566	int i;
567
568	for (i = 0 ; i < IO_MAX ; i++) {
569		if (scp->io[i] == NULL) {
570			scp->io_rid[i] = i;
571			scp->io[i] = bus_alloc_resource(scp->dev, SYS_RES_IOPORT, &scp->io_rid[i],
572							0, ~0, io_range[i], RF_ACTIVE);
573			if (i == 0 && scp->io[i] == NULL)
574				return (1);
575			scp->io_alloced[i] = 0;
576		}
577	}
578	for (i = 0 ; i < DRQ_MAX ; i++) {
579		if (scp->drq[i] == NULL) {
580			scp->drq_rid[i] = i;
581			scp->drq[i] = bus_alloc_resource(scp->dev, SYS_RES_DRQ, &scp->drq_rid[i],
582							 0, ~0, 1, RF_ACTIVE);
583			if (i == 0 && scp->drq[i] == NULL)
584				return (1);
585			scp->drq_alloced[i] = 0;
586		}
587	}
588	for (i = 0 ; i < IRQ_MAX ; i++) {
589		if (scp->irq[i] == NULL) {
590			scp->irq_rid[i] = i;
591			scp->irq[i] = bus_alloc_resource(scp->dev, SYS_RES_IRQ, &scp->irq_rid[i],
592							 0, ~0, 1, RF_ACTIVE);
593			if (i == 0 && scp->irq[i] == NULL)
594				return (1);
595			scp->irq_alloced[i] = 0;
596		}
597	}
598	return (0);
599}
600
601static int
602release_resource(struct sbc_softc *scp)
603{
604	int i;
605
606	for (i = 0 ; i < IO_MAX ; i++) {
607		if (scp->io[i] != NULL) {
608			bus_release_resource(scp->dev, SYS_RES_IOPORT, scp->io_rid[i], scp->io[i]);
609			scp->io[i] = NULL;
610		}
611	}
612	for (i = 0 ; i < DRQ_MAX ; i++) {
613		if (scp->drq[i] != NULL) {
614			bus_release_resource(scp->dev, SYS_RES_DRQ, scp->drq_rid[i], scp->drq[i]);
615			scp->drq[i] = NULL;
616		}
617	}
618	for (i = 0 ; i < IRQ_MAX ; i++) {
619		if (scp->irq[i] != NULL) {
620			bus_release_resource(scp->dev, SYS_RES_IRQ, scp->irq_rid[i], scp->irq[i]);
621			scp->irq[i] = NULL;
622		}
623	}
624	return (0);
625}
626
627static device_method_t sbc_methods[] = {
628	/* Device interface */
629	DEVMETHOD(device_probe,		sbc_probe),
630	DEVMETHOD(device_attach,	sbc_attach),
631	DEVMETHOD(device_detach,	bus_generic_detach),
632	DEVMETHOD(device_shutdown,	bus_generic_shutdown),
633	DEVMETHOD(device_suspend,	bus_generic_suspend),
634	DEVMETHOD(device_resume,	bus_generic_resume),
635
636	/* Bus interface */
637	DEVMETHOD(bus_read_ivar,	sbc_read_ivar),
638	DEVMETHOD(bus_write_ivar,	sbc_write_ivar),
639	DEVMETHOD(bus_print_child,	bus_generic_print_child),
640	DEVMETHOD(bus_alloc_resource,	sbc_alloc_resource),
641	DEVMETHOD(bus_release_resource,	sbc_release_resource),
642	DEVMETHOD(bus_activate_resource, bus_generic_activate_resource),
643	DEVMETHOD(bus_deactivate_resource, bus_generic_deactivate_resource),
644	DEVMETHOD(bus_setup_intr,	sbc_setup_intr),
645	DEVMETHOD(bus_teardown_intr,	sbc_teardown_intr),
646
647	{ 0, 0 }
648};
649
650static driver_t sbc_driver = {
651	"sbc",
652	sbc_methods,
653	sizeof(struct sbc_softc),
654};
655
656/* sbc can be attached to an isa bus. */
657DRIVER_MODULE(sbc, isa, sbc_driver, sbc_devclass, 0, 0);
658