2 * Copyright (c) 1999 Seigo Tanimura
3 * Copyright (c) 1999 Ville-Pertti Keinonen
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
9 * 1. Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
16 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
18 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
19 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
20 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
21 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
22 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
23 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
24 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27 * $FreeBSD: src/sys/dev/sound/isa/gusc.c,v 1.5.2.6 2002/04/22 15:49:30 cg Exp $
28 * $DragonFly: src/sys/dev/sound/isa/gusc.c,v 1.6 2005/10/12 17:35:55 dillon Exp $
31 #include <sys/param.h>
32 #include <sys/systm.h>
33 #include <sys/kernel.h>
35 #include <sys/malloc.h>
36 #include <sys/module.h>
37 #include <machine/resource.h>
38 #include <machine/bus.h>
40 #include <sys/soundcard.h>
41 #include <dev/sound/pcm/sound.h>
42 #include <dev/sound/chip.h>
45 #include <bus/isa/isavar.h>
46 #include <bus/isa/isa_common.h>
47 #ifdef __alpha__ /* XXX workaround a stupid warning */
48 #include <alpha/isa/isavar.h>
51 SND_DECLARE_FILE("$DragonFly: src/sys/dev/sound/isa/gusc.c,v 1.6 2005/10/12 17:35:55 dillon Exp $");
53 #define LOGICALID_NOPNP 0
54 #define LOGICALID_PCM 0x0000561e
55 #define LOGICALID_OPL 0x0300561e
56 #define LOGICALID_MIDI 0x0400561e
59 static struct isa_pnp_id gusc_ids[] = {
60 {LOGICALID_PCM, "GRV0000 Gravis UltraSound PnP PCM"}, /* GRV0000 */
61 {LOGICALID_OPL, "GRV0003 Gravis UltraSound PnP OPL"}, /* GRV0003 */
62 {LOGICALID_MIDI, "GRV0004 Gravis UltraSound PnP MIDI"}, /* GRV0004 */
65 /* Interrupt handler. */
66 struct gusc_ihandler {
71 /* Here is the parameter structure per a device. */
73 device_t dev; /* device */
74 int io_rid[3]; /* io port rids */
75 struct resource *io[3]; /* io port resources */
76 int io_alloced[3]; /* io port alloc flag */
77 int irq_rid; /* irq rids */
78 struct resource *irq; /* irq resources */
79 int irq_alloced; /* irq alloc flag */
80 int drq_rid[2]; /* drq rids */
81 struct resource *drq[2]; /* drq resources */
82 int drq_alloced[2]; /* drq alloc flag */
84 /* Interrupts are shared (XXX non-PnP only?) */
85 struct gusc_ihandler midi_intr;
86 struct gusc_ihandler pcm_intr;
89 typedef struct gusc_softc *sc_p;
91 static int gusc_probe(device_t dev);
92 static int gusc_attach(device_t dev);
93 static int gusisa_probe(device_t dev);
94 static void gusc_intr(void *);
95 static struct resource *gusc_alloc_resource(device_t bus, device_t child, int type, int *rid,
96 u_long start, u_long end, u_long count, u_int flags);
97 static int gusc_release_resource(device_t bus, device_t child, int type, int rid,
100 static device_t find_masterdev(sc_p scp);
101 static int alloc_resource(sc_p scp);
102 static int release_resource(sc_p scp);
104 static devclass_t gusc_devclass;
107 gusc_probe(device_t dev)
110 u_int32_t logical_id;
112 struct sndcard_func *func;
115 logical_id = isa_get_logicalid(dev);
118 /* Check isapnp ids */
119 if (logical_id != 0 && (ret = ISA_PNP_PROBE(device_get_parent(dev), dev, gusc_ids)) != 0)
123 return gusisa_probe(dev);
126 switch (logical_id) {
128 s = "Gravis UltraSound Plug & Play PCM";
129 func = malloc(sizeof(struct sndcard_func), M_DEVBUF, M_NOWAIT | M_ZERO);
132 func->func = SCF_PCM;
133 child = device_add_child(dev, "pcm", -1);
134 device_set_ivars(child, func);
137 s = "Gravis UltraSound Plug & Play OPL";
138 func = malloc(sizeof(struct sndcard_func), M_DEVBUF, M_NOWAIT | M_ZERO);
141 func->func = SCF_SYNTH;
142 child = device_add_child(dev, "midi", -1);
143 device_set_ivars(child, func);
146 s = "Gravis UltraSound Plug & Play MIDI";
147 func = malloc(sizeof(struct sndcard_func), M_DEVBUF, M_NOWAIT | M_ZERO);
150 func->func = SCF_MIDI;
151 child = device_add_child(dev, "midi", -1);
152 device_set_ivars(child, func);
157 device_set_desc(dev, s);
165 port_wr(struct resource *r, int i, unsigned char v)
167 bus_space_write_1(rman_get_bustag(r), rman_get_bushandle(r), i, v);
171 port_rd(struct resource *r, int i)
173 return bus_space_read_1(rman_get_bustag(r), rman_get_bushandle(r), i);
177 * Probe for an old (non-PnP) GUS card on the ISA bus.
181 gusisa_probe(device_t dev)
184 struct resource *res, *res2;
185 int base, rid, rid2, flags;
188 base = isa_get_port(dev);
189 flags = device_get_flags(dev);
191 res = bus_alloc_resource(dev, SYS_RES_IOPORT, &rid, base + 0x100,
192 base + 0x107, 8, RF_ACTIVE);
200 * Check for the presence of some GUS card. Reset the card,
201 * then see if we can access the memory on it.
204 port_wr(res, 3, 0x4c);
208 port_wr(res, 3, 0x4c);
216 port_wr(res, 3, 0x43); /* Register select */
217 port_wr(res, 4, 0); /* Low addr */
218 port_wr(res, 5, 0); /* Med addr */
220 port_wr(res, 3, 0x44); /* Register select */
221 port_wr(res, 4, 0); /* High addr */
222 port_wr(res, 7, 0x55); /* DRAM */
224 /* Read from DRAM. */
226 port_wr(res, 3, 0x43); /* Register select */
227 port_wr(res, 4, 0); /* Low addr */
228 port_wr(res, 5, 0); /* Med addr */
230 port_wr(res, 3, 0x44); /* Register select */
231 port_wr(res, 4, 0); /* High addr */
232 val = port_rd(res, 7); /* DRAM */
240 res2 = bus_alloc_resource(dev, SYS_RES_IOPORT, &rid2, base, base, 1,
247 port_wr(res2, 0x0f, 0x20);
248 val = port_rd(res2, 0x0f);
251 if (val == 0xff || (val & 0x06) == 0)
254 val = port_rd(res2, 0x506); /* XXX Out of range. */
259 bus_release_resource(dev, SYS_RES_IOPORT, rid2, res2);
260 bus_release_resource(dev, SYS_RES_IOPORT, rid, res);
263 struct sndcard_func *func;
265 /* Looks like a GUS MAX. Set the rest of the resources. */
267 bus_set_resource(dev, SYS_RES_IOPORT, 2, base + 0x10c, 8);
269 if (flags & DV_F_DUAL_DMA)
270 bus_set_resource(dev, SYS_RES_DRQ, 1,
271 flags & DV_F_DRQ_MASK, 1);
273 /* We can support the CS4231 and MIDI devices. */
275 func = malloc(sizeof(struct sndcard_func), M_DEVBUF, M_NOWAIT | M_ZERO);
278 func->func = SCF_MIDI;
279 child = device_add_child(dev, "midi", -1);
280 device_set_ivars(child, func);
282 func = malloc(sizeof(struct sndcard_func), M_DEVBUF, M_NOWAIT | M_ZERO);
284 printf("xxx: gus pcm not attached, out of memory\n");
286 func->func = SCF_PCM;
287 child = device_add_child(dev, "pcm", -1);
288 device_set_ivars(child, func);
290 device_set_desc(dev, "Gravis UltraSound MAX");
295 * TODO: Support even older GUS cards. MIDI should work on
302 bus_release_resource(dev, SYS_RES_IOPORT, rid, res);
307 gusc_attach(device_t dev)
313 scp = device_get_softc(dev);
314 unit = device_get_unit(dev);
316 bzero(scp, sizeof(*scp));
319 if (alloc_resource(scp)) {
320 release_resource(scp);
324 if (scp->irq != NULL) {
325 bus_setup_intr(dev, scp->irq, 0, gusc_intr, scp, &ih, NULL);
327 bus_generic_attach(dev);
333 * Handle interrupts on GUS devices until there aren't any left.
338 sc_p scp = (sc_p)arg;
343 if (scp->pcm_intr.intr != NULL &&
344 (port_rd(scp->io[2], 2) & 1)) {
345 (*scp->pcm_intr.intr)(scp->pcm_intr.arg);
348 if (scp->midi_intr.intr != NULL &&
349 (port_rd(scp->io[1], 0) & 0x80)) {
350 (*scp->midi_intr.intr)(scp->midi_intr.arg);
353 } while (did_something != 0);
356 static struct resource *
357 gusc_alloc_resource(device_t bus, device_t child, int type, int *rid,
358 u_long start, u_long end, u_long count, u_int flags)
361 int *alloced, rid_max, alloced_max;
362 struct resource **res;
364 scp = device_get_softc(bus);
367 alloced = scp->io_alloced;
370 alloced_max = 2; /* pcm + midi (more to include synth) */
373 alloced = &scp->irq_alloced;
376 alloced_max = 2; /* pcm and midi share the single irq. */
379 alloced = scp->drq_alloced;
388 if (*rid > rid_max || alloced[*rid] == alloced_max)
396 gusc_release_resource(device_t bus, device_t child, int type, int rid,
400 int *alloced, rid_max;
402 scp = device_get_softc(bus);
405 alloced = scp->io_alloced;
409 alloced = &scp->irq_alloced;
413 alloced = scp->drq_alloced;
420 if (rid > rid_max || alloced[rid] == 0)
428 gusc_setup_intr(device_t dev, device_t child, struct resource *irq,
429 int flags, driver_intr_t *intr, void *arg,
430 void **cookiep, lwkt_serialize_t serializer)
432 sc_p scp = (sc_p)device_get_softc(dev);
435 devclass = device_get_devclass(child);
436 if (strcmp(devclass_get_name(devclass), "midi") == 0) {
437 scp->midi_intr.intr = intr;
438 scp->midi_intr.arg = arg;
440 } else if (strcmp(devclass_get_name(devclass), "pcm") == 0) {
441 scp->pcm_intr.intr = intr;
442 scp->pcm_intr.arg = arg;
445 return bus_generic_setup_intr(dev, child, irq, flags, intr,
446 arg, cookiep, serializer);
450 find_masterdev(sc_p scp)
456 devclass = device_get_devclass(scp->dev);
457 units = devclass_get_maxunit(devclass);
459 for (i = 0 ; i < units ; i++) {
460 dev = devclass_get_device(devclass, i);
461 if (isa_get_vendorid(dev) == isa_get_vendorid(scp->dev)
462 && isa_get_logicalid(dev) == LOGICALID_PCM
463 && isa_get_serial(dev) == isa_get_serial(scp->dev))
472 static int io_range[3] = {0x10, 0x8 , 0x4 };
473 static int io_offset[3] = {0x0 , 0x100, 0x10c};
475 alloc_resource(sc_p scp)
477 int i, base, lid, flags;
481 if (isa_get_vendorid(scp->dev))
482 lid = isa_get_logicalid(scp->dev);
484 lid = LOGICALID_NOPNP;
485 flags = device_get_flags(scp->dev);
489 case LOGICALID_NOPNP: /* XXX Non-PnP */
490 if (lid == LOGICALID_NOPNP)
491 base = isa_get_port(scp->dev);
494 for (i = 0 ; i < sizeof(scp->io) / sizeof(*scp->io) ; i++) {
495 if (scp->io[i] == NULL) {
498 scp->io[i] = bus_alloc_resource(scp->dev, SYS_RES_IOPORT, &scp->io_rid[i],
499 0, ~0, io_range[i], RF_ACTIVE);
501 scp->io[i] = bus_alloc_resource(scp->dev, SYS_RES_IOPORT, &scp->io_rid[i],
503 base + io_offset[i] + io_range[i] - 1
504 , io_range[i], RF_ACTIVE);
505 if (scp->io[i] == NULL)
507 scp->io_alloced[i] = 0;
510 if (scp->irq == NULL) {
512 scp->irq = bus_alloc_resource(scp->dev, SYS_RES_IRQ, &scp->irq_rid,
513 0, ~0, 1, RF_ACTIVE | RF_SHAREABLE);
514 if (scp->irq == NULL)
516 scp->irq_alloced = 0;
518 for (i = 0 ; i < sizeof(scp->drq) / sizeof(*scp->drq) ; i++) {
519 if (scp->drq[i] == NULL) {
521 if (base == 0 || i == 0)
522 scp->drq[i] = bus_alloc_resource(scp->dev, SYS_RES_DRQ, &scp->drq_rid[i],
523 0, ~0, 1, RF_ACTIVE);
524 else if ((flags & DV_F_DUAL_DMA) != 0)
525 /* XXX The secondary drq is specified in the flag. */
526 scp->drq[i] = bus_alloc_resource(scp->dev, SYS_RES_DRQ, &scp->drq_rid[i],
527 flags & DV_F_DRQ_MASK,
528 flags & DV_F_DRQ_MASK, 1, RF_ACTIVE);
529 if (scp->drq[i] == NULL)
531 scp->drq_alloced[i] = 0;
536 if (scp->io[0] == NULL) {
538 scp->io[0] = bus_alloc_resource(scp->dev, SYS_RES_IOPORT, &scp->io_rid[0],
539 0, ~0, io_range[0], RF_ACTIVE);
540 if (scp->io[0] == NULL)
542 scp->io_alloced[0] = 0;
546 if (scp->io[0] == NULL) {
548 scp->io[0] = bus_alloc_resource(scp->dev, SYS_RES_IOPORT, &scp->io_rid[0],
549 0, ~0, io_range[0], RF_ACTIVE);
550 if (scp->io[0] == NULL)
552 scp->io_alloced[0] = 0;
554 if (scp->irq == NULL) {
555 /* The irq is shared with pcm audio. */
556 dev = find_masterdev(scp);
560 scp->irq = BUS_ALLOC_RESOURCE(dev, NULL, SYS_RES_IRQ, &scp->irq_rid,
561 0, ~0, 1, RF_ACTIVE | RF_SHAREABLE);
562 if (scp->irq == NULL)
564 scp->irq_alloced = 0;
572 release_resource(sc_p scp)
578 if (isa_get_vendorid(scp->dev))
579 lid = isa_get_logicalid(scp->dev);
581 lid = LOGICALID_NOPNP;
582 flags = device_get_flags(scp->dev);
586 case LOGICALID_NOPNP: /* XXX Non-PnP */
587 for (i = 0 ; i < sizeof(scp->io) / sizeof(*scp->io) ; i++) {
588 if (scp->io[i] != NULL) {
589 bus_release_resource(scp->dev, SYS_RES_IOPORT, scp->io_rid[i], scp->io[i]);
593 if (scp->irq != NULL) {
594 bus_release_resource(scp->dev, SYS_RES_IRQ, scp->irq_rid, scp->irq);
597 for (i = 0 ; i < sizeof(scp->drq) / sizeof(*scp->drq) ; i++) {
598 if (scp->drq[i] != NULL) {
599 bus_release_resource(scp->dev, SYS_RES_DRQ, scp->drq_rid[i], scp->drq[i]);
605 if (scp->io[0] != NULL) {
606 bus_release_resource(scp->dev, SYS_RES_IOPORT, scp->io_rid[0], scp->io[0]);
611 if (scp->io[0] != NULL) {
612 bus_release_resource(scp->dev, SYS_RES_IOPORT, scp->io_rid[0], scp->io[0]);
615 if (scp->irq != NULL) {
616 /* The irq is shared with pcm audio. */
617 dev = find_masterdev(scp);
620 BUS_RELEASE_RESOURCE(dev, NULL, SYS_RES_IOPORT, scp->irq_rid, scp->irq);
628 static device_method_t gusc_methods[] = {
629 /* Device interface */
630 DEVMETHOD(device_probe, gusc_probe),
631 DEVMETHOD(device_attach, gusc_attach),
632 DEVMETHOD(device_detach, bus_generic_detach),
633 DEVMETHOD(device_shutdown, bus_generic_shutdown),
634 DEVMETHOD(device_suspend, bus_generic_suspend),
635 DEVMETHOD(device_resume, bus_generic_resume),
638 DEVMETHOD(bus_print_child, bus_generic_print_child),
639 DEVMETHOD(bus_alloc_resource, gusc_alloc_resource),
640 DEVMETHOD(bus_release_resource, gusc_release_resource),
641 DEVMETHOD(bus_activate_resource, bus_generic_activate_resource),
642 DEVMETHOD(bus_deactivate_resource, bus_generic_deactivate_resource),
643 DEVMETHOD(bus_setup_intr, gusc_setup_intr),
644 DEVMETHOD(bus_teardown_intr, bus_generic_teardown_intr),
649 static driver_t gusc_driver = {
652 sizeof(struct gusc_softc),
656 * gusc can be attached to an isa bus.
658 DRIVER_MODULE(snd_gusc, isa, gusc_driver, gusc_devclass, 0, 0);
659 MODULE_DEPEND(snd_gusc, snd_pcm, PCM_MINVER, PCM_PREFVER, PCM_MAXVER);
660 MODULE_VERSION(snd_gusc, 1);