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ac97: convert PIO to new memory api read/write

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Signed-off-by: Alexander Graf <agraf@suse.de>
This commit is contained in:
Alexander Graf 2012-10-08 13:02:20 +02:00
parent 74d042e5ce
commit d6a6d362aa
1 changed files with 89 additions and 20 deletions
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109
hw/ac97.c
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@ -1226,32 +1226,101 @@ static const VMStateDescription vmstate_ac97 = {
}
};
static const MemoryRegionPortio nam_portio[] = {
{ 0, 256 * 1, 1, .read = nam_readb, },
{ 0, 256 * 2, 2, .read = nam_readw, },
{ 0, 256 * 4, 4, .read = nam_readl, },
{ 0, 256 * 1, 1, .write = nam_writeb, },
{ 0, 256 * 2, 2, .write = nam_writew, },
{ 0, 256 * 4, 4, .write = nam_writel, },
PORTIO_END_OF_LIST (),
};
static uint64_t nam_read(void *opaque, hwaddr addr, unsigned size)
{
if ((addr / size) > 256) {
return -1;
}
switch (size) {
case 1:
return nam_readb(opaque, addr);
case 2:
return nam_readw(opaque, addr);
case 4:
return nam_readl(opaque, addr);
default:
return -1;
}
}
static void nam_write(void *opaque, hwaddr addr, uint64_t val,
unsigned size)
{
if ((addr / size) > 256) {
return;
}
switch (size) {
case 1:
nam_writeb(opaque, addr, val);
break;
case 2:
nam_writew(opaque, addr, val);
break;
case 4:
nam_writel(opaque, addr, val);
break;
}
}
static const MemoryRegionOps ac97_io_nam_ops = {
.old_portio = nam_portio,
.read = nam_read,
.write = nam_write,
.impl = {
.min_access_size = 1,
.max_access_size = 4,
},
.endianness = DEVICE_LITTLE_ENDIAN,
};
static const MemoryRegionPortio nabm_portio[] = {
{ 0, 64 * 1, 1, .read = nabm_readb, },
{ 0, 64 * 2, 2, .read = nabm_readw, },
{ 0, 64 * 4, 4, .read = nabm_readl, },
{ 0, 64 * 1, 1, .write = nabm_writeb, },
{ 0, 64 * 2, 2, .write = nabm_writew, },
{ 0, 64 * 4, 4, .write = nabm_writel, },
PORTIO_END_OF_LIST ()
};
static uint64_t nabm_read(void *opaque, hwaddr addr, unsigned size)
{
if ((addr / size) > 64) {
return -1;
}
switch (size) {
case 1:
return nabm_readb(opaque, addr);
case 2:
return nabm_readw(opaque, addr);
case 4:
return nabm_readl(opaque, addr);
default:
return -1;
}
}
static void nabm_write(void *opaque, hwaddr addr, uint64_t val,
unsigned size)
{
if ((addr / size) > 64) {
return;
}
switch (size) {
case 1:
nabm_writeb(opaque, addr, val);
break;
case 2:
nabm_writew(opaque, addr, val);
break;
case 4:
nabm_writel(opaque, addr, val);
break;
}
}
static const MemoryRegionOps ac97_io_nabm_ops = {
.old_portio = nabm_portio,
.read = nabm_read,
.write = nabm_write,
.impl = {
.min_access_size = 1,
.max_access_size = 4,
},
.endianness = DEVICE_LITTLE_ENDIAN,
};
static void ac97_on_reset (void *opaque)