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acpi: switch smbus to memory api

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Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
This commit is contained in:
Gerd Hoffmann 2012-11-23 14:57:01 +01:00
parent 4a522de090
commit 798512e552
5 changed files with 33 additions and 50 deletions
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17
hw/pm_smbus.c
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@ -94,10 +94,11 @@ static void smb_transaction(PMSMBus *s)
s->smb_stat |= 0x04;
}
void smb_ioport_writeb(void *opaque, uint32_t addr, uint32_t val)
static void smb_ioport_writeb(void *opaque, hwaddr addr, uint64_t val,
unsigned width)
{
PMSMBus *s = opaque;
addr &= 0x3f;
SMBUS_DPRINTF("SMB writeb port=0x%04x val=0x%02x\n", addr, val);
switch(addr) {
case SMBHSTSTS:
@ -131,12 +132,11 @@ void smb_ioport_writeb(void *opaque, uint32_t addr, uint32_t val)
}
}
uint32_t smb_ioport_readb(void *opaque, uint32_t addr)
static uint64_t smb_ioport_readb(void *opaque, hwaddr addr, unsigned width)
{
PMSMBus *s = opaque;
uint32_t val;
addr &= 0x3f;
switch(addr) {
case SMBHSTSTS:
val = s->smb_stat;
@ -170,7 +170,16 @@ uint32_t smb_ioport_readb(void *opaque, uint32_t addr)
return val;
}
static const MemoryRegionOps pm_smbus_ops = {
.read = smb_ioport_readb,
.write = smb_ioport_writeb,
.valid.min_access_size = 1,
.valid.max_access_size = 1,
.endianness = DEVICE_LITTLE_ENDIAN,
};
void pm_smbus_init(DeviceState *parent, PMSMBus *smb)
{
smb->smbus = i2c_init_bus(parent, "i2c");
memory_region_init_io(&smb->io, &pm_smbus_ops, smb, "pm-smbus", 64);
}