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qdev/isa: convert gravis ultrasound 

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
This commit is contained in:
Gerd Hoffmann 2009-09-10 11:43:32 +02:00 committed by malc
parent f8ba784657
commit 9df34396d5
2 changed files with 51 additions and 28 deletions
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75
hw/gus.c
View File

@ -54,16 +54,18 @@ static struct {
} conf = {0x240, 7, 3, 44100};
typedef struct GUSState {
ISADevice dev;
GUSEmuState emu;
QEMUSoundCard card;
int freq;
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;
qemu_irq pic;
} GUSState;
IO_READ_PROTO (gus_readb)
@ -168,8 +170,8 @@ reset:
int GUS_irqrequest (GUSEmuState *emu, int hwirq, int n)
{
GUSState *s = emu->opaque;
/* qemu_irq_lower (s->pic[hwirq]); */
qemu_irq_raise (s->pic[hwirq]);
/* 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;
@ -179,7 +181,7 @@ void GUS_irqclear (GUSEmuState *emu, int hwirq)
{
GUSState *s = emu->opaque;
ldebug ("irqclear %d %d\n", hwirq, s->irqs);
qemu_irq_lower (s->pic[hwirq]);
qemu_irq_lower (s->pic);
s->irqs -= 1;
#ifdef IRQ_STORM
if (s->irqs > 0) {
@ -250,16 +252,14 @@ static int GUS_load (QEMUFile *f, void *opaque, int version_id)
return 0;
}
int GUS_init (qemu_irq *pic)
static int gus_initfn (ISADevice *dev)
{
GUSState *s;
GUSState *s = DO_UPCAST(GUSState, dev, dev);
struct audsettings as;
s = qemu_mallocz (sizeof (*s));
AUD_register_card ("gus", &s->card);
as.freq = conf.freq;
as.freq = s->freq;
as.nchannels = 2;
as.fmt = AUD_FMT_S16;
as.endianness = GUS_ENDIANNESS;
@ -283,34 +283,57 @@ int GUS_init (qemu_irq *pic)
s->samples = AUD_get_buffer_size_out (s->voice) >> s->shift;
s->mixbuf = qemu_mallocz (s->samples << s->shift);
register_ioport_write (conf.port, 1, 1, gus_writeb, s);
register_ioport_write (conf.port, 1, 2, gus_writew, s);
register_ioport_write (s->port, 1, 1, gus_writeb, s);
register_ioport_write (s->port, 1, 2, gus_writew, s);
register_ioport_read ((conf.port + 0x100) & 0xf00, 1, 1, gus_readb, s);
register_ioport_read ((conf.port + 0x100) & 0xf00, 1, 2, gus_readw, s);
register_ioport_read ((s->port + 0x100) & 0xf00, 1, 1, gus_readb, s);
register_ioport_read ((s->port + 0x100) & 0xf00, 1, 2, gus_readw, s);
register_ioport_write (conf.port + 6, 10, 1, gus_writeb, s);
register_ioport_write (conf.port + 6, 10, 2, gus_writew, s);
register_ioport_read (conf.port + 6, 10, 1, gus_readb, s);
register_ioport_read (conf.port + 6, 10, 2, gus_readw, s);
register_ioport_write (s->port + 6, 10, 1, gus_writeb, s);
register_ioport_write (s->port + 6, 10, 2, gus_writew, s);
register_ioport_read (s->port + 6, 10, 1, gus_readb, s);
register_ioport_read (s->port + 6, 10, 2, gus_readw, s);
register_ioport_write (conf.port + 0x100, 8, 1, gus_writeb, s);
register_ioport_write (conf.port + 0x100, 8, 2, gus_writew, s);
register_ioport_read (conf.port + 0x100, 8, 1, gus_readb, s);
register_ioport_read (conf.port + 0x100, 8, 2, gus_readw, s);
register_ioport_write (s->port + 0x100, 8, 1, gus_writeb, s);
register_ioport_write (s->port + 0x100, 8, 2, gus_writew, s);
register_ioport_read (s->port + 0x100, 8, 1, gus_readb, s);
register_ioport_read (s->port + 0x100, 8, 2, gus_readw, s);
DMA_register_channel (conf.dma, GUS_read_DMA, s);
s->emu.gusirq = conf.irq;
s->emu.gusdma = conf.dma;
s->emu.himemaddr = s->himem;
s->emu.gusdatapos = s->emu.himemaddr + 1024 * 1024 + 32;
s->emu.opaque = s;
s->freq = conf.freq;
s->pic = pic;
isa_init_irq(dev, &s->pic, s->emu.gusirq);
AUD_set_active_out (s->voice, 1);
register_savevm ("gus", 0, 2, GUS_save, GUS_load, s);
return 0;
}
int GUS_init (qemu_irq *pic)
{
isa_create_simple("gus");
return 0;
}
static ISADeviceInfo gus_info = {
.qdev.name = "gus",
.qdev.desc = "Creative Sound Blaster 16",
.qdev.size = sizeof (GUSState),
.init = gus_initfn,
.qdev.props = (Property[]) {
DEFINE_PROP_UINT32 ("freq", GUSState, freq, 44100),
DEFINE_PROP_HEX32 ("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_register(void)
{
isa_qdev_register(&gus_info);
}
device_init(gus_register)

4
hw/gusemu.h
View File

@ -46,8 +46,8 @@ typedef struct _GUSEmuState
{
GUSbyte *himemaddr; /* 1024*1024 bytes used for storing uploaded samples (+32 additional bytes for read padding) */
GUSbyte *gusdatapos; /* (gusdataend-gusdata) bytes used for storing emulated GF1/mixer register states (32*32+4 bytes in initial GUSemu32 version) */
int gusirq;
int gusdma;
uint32_t gusirq;
uint32_t gusdma;
unsigned int timer1fraction;
unsigned int timer2fraction;
void *opaque;