[mirror_qemu.git] / hw / audio / gus.c

/*
 * QEMU Proxy for Gravis Ultrasound GF1 emulation by Tibor "TS" Schütz
 *
 * Copyright (c) 2002-2005 Vassili Karpov (malc)
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 * THE SOFTWARE.
 */
#include "qemu/osdep.h"
#include "qapi/error.h"
#include "hw/hw.h"
#include "hw/audio/audio.h"
#include "audio/audio.h"
#include "hw/isa/isa.h"
#include "gusemu.h"
#include "gustate.h"

#define dolog(...) AUD_log ("audio", __VA_ARGS__)
#ifdef DEBUG
#define ldebug(...) dolog (__VA_ARGS__)
#else
#define ldebug(...)
#endif

#ifdef HOST_WORDS_BIGENDIAN
#define GUS_ENDIANNESS 1
#else
#define GUS_ENDIANNESS 0
#endif

#define TYPE_GUS "gus"
#define GUS(obj) OBJECT_CHECK (GUSState, (obj), TYPE_GUS)

typedef struct GUSState {
    ISADevice dev;
    GUSEmuState emu;
    QEMUSoundCard card;
    uint32_t freq;
    uint32_t port;
    int pos, left, shift, irqs;
    GUSsample *mixbuf;
    uint8_t himem[1024 * 1024 + 32 + 4096];
    int samples;
    SWVoiceOut *voice;
    int64_t last_ticks;
    qemu_irq pic;
    IsaDma *isa_dma;
    PortioList portio_list1;
    PortioList portio_list2;
} GUSState;

static uint32_t gus_readb(void *opaque, uint32_t nport)
{
    GUSState *s = opaque;

    return gus_read (&s->emu, nport, 1);
}

static void gus_writeb(void *opaque, uint32_t nport, uint32_t val)
{
    GUSState *s = opaque;

    gus_write (&s->emu, nport, 1, val);
}

static int write_audio (GUSState *s, int samples)
{
    int net = 0;
    int pos = s->pos;

    while (samples) {
        int nbytes, wbytes, wsampl;

        nbytes = samples << s->shift;
        wbytes = AUD_write (
            s->voice,
            s->mixbuf + (pos << (s->shift - 1)),
            nbytes
            );

        if (wbytes) {
            wsampl = wbytes >> s->shift;

            samples -= wsampl;
            pos = (pos + wsampl) % s->samples;

            net += wsampl;
        }
        else {
            break;
        }
    }

    return net;
}

static void GUS_callback (void *opaque, int free)
{
    int samples, to_play, net = 0;
    GUSState *s = opaque;

    samples = free >> s->shift;
    to_play = audio_MIN (samples, s->left);

    while (to_play) {
        int written = write_audio (s, to_play);

        if (!written) {
            goto reset;
        }

        s->left -= written;
        to_play -= written;
        samples -= written;
        net += written;
    }

    samples = audio_MIN (samples, s->samples);
    if (samples) {
        gus_mixvoices (&s->emu, s->freq, samples, s->mixbuf);

        while (samples) {
            int written = write_audio (s, samples);
            if (!written) {
                break;
            }
            samples -= written;
            net += written;
        }
    }
    s->left = samples;

 reset:
    gus_irqgen (&s->emu, (uint64_t)net * 1000000 / s->freq);
}

int GUS_irqrequest (GUSEmuState *emu, int hwirq, int n)
{
    GUSState *s = emu->opaque;
    /* qemu_irq_lower (s->pic); */
    qemu_irq_raise (s->pic);
    s->irqs += n;
    ldebug ("irqrequest %d %d %d\n", hwirq, n, s->irqs);
    return n;
}

void GUS_irqclear (GUSEmuState *emu, int hwirq)
{
    GUSState *s = emu->opaque;
    ldebug ("irqclear %d %d\n", hwirq, s->irqs);
    qemu_irq_lower (s->pic);
    s->irqs -= 1;
#ifdef IRQ_STORM
    if (s->irqs > 0) {
        qemu_irq_raise (s->pic[hwirq]);
    }
#endif
}

void GUS_dmarequest (GUSEmuState *emu)
{
    GUSState *s = emu->opaque;
    IsaDmaClass *k = ISADMA_GET_CLASS(s->isa_dma);
    ldebug ("dma request %d\n", der->gusdma);
    k->hold_DREQ(s->isa_dma, s->emu.gusdma);
}

static int GUS_read_DMA (void *opaque, int nchan, int dma_pos, int dma_len)
{
    GUSState *s = opaque;
    IsaDmaClass *k = ISADMA_GET_CLASS(s->isa_dma);
    char tmpbuf[4096];
    int pos = dma_pos, mode, left = dma_len - dma_pos;

    ldebug ("read DMA %#x %d\n", dma_pos, dma_len);
    mode = k->has_autoinitialization(s->isa_dma, s->emu.gusdma);
    while (left) {
        int to_copy = audio_MIN ((size_t) left, sizeof (tmpbuf));
        int copied;

        ldebug ("left=%d to_copy=%d pos=%d\n", left, to_copy, pos);
        copied = k->read_memory(s->isa_dma, nchan, tmpbuf, pos, to_copy);
        gus_dma_transferdata (&s->emu, tmpbuf, copied, left == copied);
        left -= copied;
        pos += copied;
    }

    if (((mode >> 4) & 1) == 0) {
        k->release_DREQ(s->isa_dma, s->emu.gusdma);
    }
    return dma_len;
}

static const VMStateDescription vmstate_gus = {
    .name = "gus",
    .version_id = 2,
    .minimum_version_id = 2,
    .fields = (VMStateField[]) {
        VMSTATE_INT32 (pos, GUSState),
        VMSTATE_INT32 (left, GUSState),
        VMSTATE_INT32 (shift, GUSState),
        VMSTATE_INT32 (irqs, GUSState),
        VMSTATE_INT32 (samples, GUSState),
        VMSTATE_INT64 (last_ticks, GUSState),
        VMSTATE_BUFFER (himem, GUSState),
        VMSTATE_END_OF_LIST ()
    }
};

static const MemoryRegionPortio gus_portio_list1[] = {
    {0x000,  1, 1, .write = gus_writeb },
    {0x006, 10, 1, .read = gus_readb, .write = gus_writeb },
    {0x100,  8, 1, .read = gus_readb, .write = gus_writeb },
    PORTIO_END_OF_LIST (),
};

static const MemoryRegionPortio gus_portio_list2[] = {
    {0, 2, 1, .read = gus_readb },
    PORTIO_END_OF_LIST (),
};

static void gus_realizefn (DeviceState *dev, Error **errp)
{
    ISADevice *d = ISA_DEVICE(dev);
    GUSState *s = GUS (dev);
    IsaDmaClass *k;
    struct audsettings as;

    AUD_register_card ("gus", &s->card);

    as.freq = s->freq;
    as.nchannels = 2;
    as.fmt = AUD_FMT_S16;
    as.endianness = GUS_ENDIANNESS;

    s->voice = AUD_open_out (
        &s->card,
        NULL,
        "gus",
        s,
        GUS_callback,
        &as
        );

    if (!s->voice) {
        AUD_remove_card (&s->card);
        error_setg(errp, "No voice");
        return;
    }

    s->shift = 2;
    s->samples = AUD_get_buffer_size_out (s->voice) >> s->shift;
    s->mixbuf = g_malloc0 (s->samples << s->shift);

    isa_register_portio_list(d, &s->portio_list1, s->port,
                             gus_portio_list1, s, "gus");
    isa_register_portio_list(d, &s->portio_list2, (s->port + 0x100) & 0xf00,
                             gus_portio_list2, s, "gus");

    s->isa_dma = isa_get_dma(isa_bus_from_device(d), s->emu.gusdma);
    k = ISADMA_GET_CLASS(s->isa_dma);
    k->register_channel(s->isa_dma, s->emu.gusdma, GUS_read_DMA, s);
    s->emu.himemaddr = s->himem;
    s->emu.gusdatapos = s->emu.himemaddr + 1024 * 1024 + 32;
    s->emu.opaque = s;
    isa_init_irq (d, &s->pic, s->emu.gusirq);

    AUD_set_active_out (s->voice, 1);
}

static int GUS_init (ISABus *bus)
{
    isa_create_simple (bus, TYPE_GUS);
    return 0;
}

static Property gus_properties[] = {
    DEFINE_PROP_UINT32 ("freq",    GUSState, freq,        44100),
    DEFINE_PROP_UINT32 ("iobase",  GUSState, port,        0x240),
    DEFINE_PROP_UINT32 ("irq",     GUSState, emu.gusirq,  7),
    DEFINE_PROP_UINT32 ("dma",     GUSState, emu.gusdma,  3),
    DEFINE_PROP_END_OF_LIST (),
};

static void gus_class_initfn (ObjectClass *klass, void *data)
{
    DeviceClass *dc = DEVICE_CLASS (klass);

    dc->realize = gus_realizefn;
    set_bit(DEVICE_CATEGORY_SOUND, dc->categories);
    dc->desc = "Gravis Ultrasound GF1";
    dc->vmsd = &vmstate_gus;
    dc->props = gus_properties;
}

static const TypeInfo gus_info = {
    .name          = TYPE_GUS,
    .parent        = TYPE_ISA_DEVICE,
    .instance_size = sizeof (GUSState),
    .class_init    = gus_class_initfn,
};

static void gus_register_types (void)
{
    type_register_static (&gus_info);
    isa_register_soundhw("gus", "Gravis Ultrasound GF1", GUS_init);
}

type_init (gus_register_types)
Commit	Line	Data
423d65f4 AZ	1	/*
	2	* QEMU Proxy for Gravis Ultrasound GF1 emulation by Tibor "TS" Schütz
	3	*
	4	* Copyright (c) 2002-2005 Vassili Karpov (malc)
	5	*
	6	* Permission is hereby granted, free of charge, to any person obtaining a copy
	7	* of this software and associated documentation files (the "Software"), to deal
	8	* in the Software without restriction, including without limitation the rights
	9	* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
	10	* copies of the Software, and to permit persons to whom the Software is
	11	* furnished to do so, subject to the following conditions:
	12	*
	13	* The above copyright notice and this permission notice shall be included in
	14	* all copies or substantial portions of the Software.
	15	*
	16	* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
	17	* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
	18	* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
	19	* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
	20	* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
	21	* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
	22	* THE SOFTWARE.
	23	*/
6086a565	24	#include "qemu/osdep.h"
da34e65c	25	#include "qapi/error.h"
83c9f4ca	26	#include "hw/hw.h"
0d09e41a	27	#include "hw/audio/audio.h"
423d65f4	28	#include "audio/audio.h"
0d09e41a	29	#include "hw/isa/isa.h"
47b43a1f PB	30	#include "gusemu.h"
47b43a1f PB	31	#include "gustate.h"
423d65f4 AZ	32
	33	#define dolog(...) AUD_log ("audio", __VA_ARGS__)
	34	#ifdef DEBUG
	35	#define ldebug(...) dolog (__VA_ARGS__)
	36	#else
	37	#define ldebug(...)
	38	#endif
	39
e2542fe2	40	#ifdef HOST_WORDS_BIGENDIAN
423d65f4 AZ	41	#define GUS_ENDIANNESS 1
	42	#else
	43	#define GUS_ENDIANNESS 0
	44	#endif
	45
11c7549d AF	46	#define TYPE_GUS "gus"
	47	#define GUS(obj) OBJECT_CHECK (GUSState, (obj), TYPE_GUS)
	48
423d65f4	49	typedef struct GUSState {
9df34396	50	ISADevice dev;
423d65f4 AZ	51	GUSEmuState emu;
423d65f4 AZ	52	QEMUSoundCard card;
9df34396 GH	53	uint32_t freq;
9df34396 GH	54	uint32_t port;
423d65f4	55	int pos, left, shift, irqs;
731ba0ce	56	GUSsample *mixbuf;
423d65f4 AZ	57	uint8_t himem[1024 * 1024 + 32 + 4096];
	58	int samples;
	59	SWVoiceOut *voice;
	60	int64_t last_ticks;
9df34396	61	qemu_irq pic;
467be5f2	62	IsaDma *isa_dma;
e305a165 MAL	63	PortioList portio_list1;
e305a165 MAL	64	PortioList portio_list2;
423d65f4 AZ	65	} GUSState;
423d65f4 AZ	66
8307c294	67	static uint32_t gus_readb(void *opaque, uint32_t nport)
423d65f4 AZ	68	{
	69	GUSState *s = opaque;
	70
	71	return gus_read (&s->emu, nport, 1);
	72	}
	73
8307c294	74	static void gus_writeb(void *opaque, uint32_t nport, uint32_t val)
423d65f4 AZ	75	{
	76	GUSState *s = opaque;
	77
	78	gus_write (&s->emu, nport, 1, val);
	79	}
	80
423d65f4 AZ	81	static int write_audio (GUSState *s, int samples)
	82	{
	83	int net = 0;
	84	int pos = s->pos;
	85
	86	while (samples) {
	87	int nbytes, wbytes, wsampl;
	88
	89	nbytes = samples << s->shift;
	90	wbytes = AUD_write (
	91	s->voice,
	92	s->mixbuf + (pos << (s->shift - 1)),
	93	nbytes
	94	);
	95
	96	if (wbytes) {
	97	wsampl = wbytes >> s->shift;
	98
	99	samples -= wsampl;
	100	pos = (pos + wsampl) % s->samples;
	101
	102	net += wsampl;
	103	}
	104	else {
	105	break;
	106	}
	107	}
	108
	109	return net;
	110	}
	111
	112	static void GUS_callback (void *opaque, int free)
	113	{
	114	int samples, to_play, net = 0;
	115	GUSState *s = opaque;
	116
	117	samples = free >> s->shift;
	118	to_play = audio_MIN (samples, s->left);
	119
	120	while (to_play) {
	121	int written = write_audio (s, to_play);
	122
	123	if (!written) {
	124	goto reset;
	125	}
	126
	127	s->left -= written;
	128	to_play -= written;
	129	samples -= written;
	130	net += written;
	131	}
	132
	133	samples = audio_MIN (samples, s->samples);
	134	if (samples) {
	135	gus_mixvoices (&s->emu, s->freq, samples, s->mixbuf);
	136
	137	while (samples) {
	138	int written = write_audio (s, samples);
	139	if (!written) {
	140	break;
	141	}
	142	samples -= written;
	143	net += written;
	144	}
145	}
146	s->left = samples;
147
4f4cc0ef	148	reset:
c00dc675	149	gus_irqgen (&s->emu, (uint64_t)net * 1000000 / s->freq);
423d65f4 AZ	150	}
	151
	152	int GUS_irqrequest (GUSEmuState *emu, int hwirq, int n)
	153	{
	154	GUSState *s = emu->opaque;
9df34396 GH	155	/* qemu_irq_lower (s->pic); */
9df34396 GH	156	qemu_irq_raise (s->pic);
423d65f4 AZ	157	s->irqs += n;
	158	ldebug ("irqrequest %d %d %d\n", hwirq, n, s->irqs);
	159	return n;
	160	}
	161
	162	void GUS_irqclear (GUSEmuState *emu, int hwirq)
	163	{
	164	GUSState *s = emu->opaque;
	165	ldebug ("irqclear %d %d\n", hwirq, s->irqs);
9df34396	166	qemu_irq_lower (s->pic);
423d65f4 AZ	167	s->irqs -= 1;
	168	#ifdef IRQ_STORM
	169	if (s->irqs > 0) {
	170	qemu_irq_raise (s->pic[hwirq]);
	171	}
	172	#endif
	173	}
	174
467be5f2	175	void GUS_dmarequest (GUSEmuState *emu)
423d65f4	176	{
467be5f2 HP	177	GUSState *s = emu->opaque;
467be5f2 HP	178	IsaDmaClass *k = ISADMA_GET_CLASS(s->isa_dma);
423d65f4	179	ldebug ("dma request %d\n", der->gusdma);
467be5f2	180	k->hold_DREQ(s->isa_dma, s->emu.gusdma);
423d65f4 AZ	181	}
423d65f4 AZ	182
371bc573	183	static int GUS_read_DMA (void *opaque, int nchan, int dma_pos, int dma_len)
423d65f4 AZ	184	{
423d65f4 AZ	185	GUSState *s = opaque;
467be5f2	186	IsaDmaClass *k = ISADMA_GET_CLASS(s->isa_dma);
731ba0ce	187	char tmpbuf[4096];
423d65f4 AZ	188	int pos = dma_pos, mode, left = dma_len - dma_pos;
	189
	190	ldebug ("read DMA %#x %d\n", dma_pos, dma_len);
467be5f2	191	mode = k->has_autoinitialization(s->isa_dma, s->emu.gusdma);
423d65f4 AZ	192	while (left) {
	193	int to_copy = audio_MIN ((size_t) left, sizeof (tmpbuf));
	194	int copied;
	195
	196	ldebug ("left=%d to_copy=%d pos=%d\n", left, to_copy, pos);
467be5f2	197	copied = k->read_memory(s->isa_dma, nchan, tmpbuf, pos, to_copy);
423d65f4 AZ	198	gus_dma_transferdata (&s->emu, tmpbuf, copied, left == copied);
	199	left -= copied;
	200	pos += copied;
	201	}
	202
2ab5bf67	203	if (((mode >> 4) & 1) == 0) {
467be5f2	204	k->release_DREQ(s->isa_dma, s->emu.gusdma);
423d65f4 AZ	205	}
	206	return dma_len;
	207	}
	208
709ae102 JQ	209	static const VMStateDescription vmstate_gus = {
	210	.name = "gus",
	211	.version_id = 2,
	212	.minimum_version_id = 2,
d49805ae	213	.fields = (VMStateField[]) {
cf4dc461	214	VMSTATE_INT32 (pos, GUSState),
	215	VMSTATE_INT32 (left, GUSState),
	216	VMSTATE_INT32 (shift, GUSState),
	217	VMSTATE_INT32 (irqs, GUSState),
	218	VMSTATE_INT32 (samples, GUSState),
	219	VMSTATE_INT64 (last_ticks, GUSState),
	220	VMSTATE_BUFFER (himem, GUSState),
	221	VMSTATE_END_OF_LIST ()
709ae102 JQ	222	}
709ae102 JQ	223	};
5b5ef0db	224
d7adb96f RH	225	static const MemoryRegionPortio gus_portio_list1[] = {
d7adb96f RH	226	{0x000, 1, 1, .write = gus_writeb },
d7adb96f	227	{0x006, 10, 1, .read = gus_readb, .write = gus_writeb },
d7adb96f	228	{0x100, 8, 1, .read = gus_readb, .write = gus_writeb },
cf4dc461	229	PORTIO_END_OF_LIST (),
d7adb96f RH	230	};
	231
	232	static const MemoryRegionPortio gus_portio_list2[] = {
54da54e5	233	{0, 2, 1, .read = gus_readb },
cf4dc461	234	PORTIO_END_OF_LIST (),
d7adb96f RH	235	};
d7adb96f RH	236
db895a1e	237	static void gus_realizefn (DeviceState dev, Error *errp)
423d65f4	238	{
db895a1e	239	ISADevice *d = ISA_DEVICE(dev);
11c7549d	240	GUSState *s = GUS (dev);
467be5f2	241	IsaDmaClass *k;
1ea879e5	242	struct audsettings as;
423d65f4	243
1a7dafce	244	AUD_register_card ("gus", &s->card);
423d65f4	245
9df34396	246	as.freq = s->freq;
423d65f4 AZ	247	as.nchannels = 2;
	248	as.fmt = AUD_FMT_S16;
	249	as.endianness = GUS_ENDIANNESS;
	250
	251	s->voice = AUD_open_out (
	252	&s->card,
	253	NULL,
	254	"gus",
	255	s,
	256	GUS_callback,
	257	&as
	258	);
	259
	260	if (!s->voice) {
	261	AUD_remove_card (&s->card);
db895a1e AF	262	error_setg(errp, "No voice");
db895a1e AF	263	return;
423d65f4 AZ	264	}
	265
	266	s->shift = 2;
	267	s->samples = AUD_get_buffer_size_out (s->voice) >> s->shift;
7267c094	268	s->mixbuf = g_malloc0 (s->samples << s->shift);
423d65f4	269
e305a165 MAL	270	isa_register_portio_list(d, &s->portio_list1, s->port,
	271	gus_portio_list1, s, "gus");
	272	isa_register_portio_list(d, &s->portio_list2, (s->port + 0x100) & 0xf00,
	273	gus_portio_list2, s, "gus");
423d65f4	274
467be5f2 HP	275	s->isa_dma = isa_get_dma(isa_bus_from_device(d), s->emu.gusdma);
	276	k = ISADMA_GET_CLASS(s->isa_dma);
	277	k->register_channel(s->isa_dma, s->emu.gusdma, GUS_read_DMA, s);
423d65f4 AZ	278	s->emu.himemaddr = s->himem;
	279	s->emu.gusdatapos = s->emu.himemaddr + 1024 * 1024 + 32;
	280	s->emu.opaque = s;
db895a1e	281	isa_init_irq (d, &s->pic, s->emu.gusirq);
423d65f4 AZ	282
423d65f4 AZ	283	AUD_set_active_out (s->voice, 1);
423d65f4	284	}
9df34396	285
36cd6f6f	286	static int GUS_init (ISABus *bus)
9df34396	287	{
11c7549d	288	isa_create_simple (bus, TYPE_GUS);
9df34396 GH	289	return 0;
	290	}
	291
39bffca2 AL	292	static Property gus_properties[] = {
39bffca2 AL	293	DEFINE_PROP_UINT32 ("freq", GUSState, freq, 44100),
c7bcc85d	294	DEFINE_PROP_UINT32 ("iobase", GUSState, port, 0x240),
39bffca2 AL	295	DEFINE_PROP_UINT32 ("irq", GUSState, emu.gusirq, 7),
	296	DEFINE_PROP_UINT32 ("dma", GUSState, emu.gusdma, 3),
	297	DEFINE_PROP_END_OF_LIST (),
	298	};
	299
cf4dc461	300	static void gus_class_initfn (ObjectClass klass, void data)
8f04ee08	301	{
cf4dc461	302	DeviceClass *dc = DEVICE_CLASS (klass);
db895a1e AF	303
db895a1e AF	304	dc->realize = gus_realizefn;
125ee0ed	305	set_bit(DEVICE_CATEGORY_SOUND, dc->categories);
39bffca2 AL	306	dc->desc = "Gravis Ultrasound GF1";
	307	dc->vmsd = &vmstate_gus;
	308	dc->props = gus_properties;
8f04ee08 AL	309	}
8f04ee08 AL	310
8c43a6f0	311	static const TypeInfo gus_info = {
11c7549d	312	.name = TYPE_GUS,
39bffca2 AL	313	.parent = TYPE_ISA_DEVICE,
	314	.instance_size = sizeof (GUSState),
	315	.class_init = gus_class_initfn,
9df34396 GH	316	};
9df34396 GH	317
83f7d43a	318	static void gus_register_types (void)
9df34396	319	{
cf4dc461	320	type_register_static (&gus_info);
36cd6f6f	321	isa_register_soundhw("gus", "Gravis Ultrasound GF1", GUS_init);
9df34396	322	}
83f7d43a AF	323
83f7d43a AF	324	type_init (gus_register_types)