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acpi: split out piix4 smbus routines from acpi.c into pm_smbus.c

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Split out piix4 smbus routines from acpi.c into pm_smbus.c and
use it.
The split out smbus emulation will be used later.

Signed-off-by: Isaku Yamahata <yamahata@valinux.co.jp>
Acked-by: Gerd Hoffmann <kraxel@redhat.com>
Cc: Aurelien Jarno <aurelien@aurel32.net>
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
This commit is contained in:
Isaku Yamahata 2010-05-14 16:28:59 +09:00 • committed by Blue Swirl
parent dc6839100e
commit fc0bdd995c
4 changed files with 209 additions and 156 deletions
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21
hw/pm_smbus.h Normal file
View file

@ -0,0 +1,21 @@
#ifndef PM_SMBUS_H
#define PM_SMBUS_H
typedef struct PMSMBus {
i2c_bus *smbus;
uint8_t smb_stat;
uint8_t smb_ctl;
uint8_t smb_cmd;
uint8_t smb_addr;
uint8_t smb_data0;
uint8_t smb_data1;
uint8_t smb_data[32];
uint8_t smb_index;
} PMSMBus;
void pm_smbus_init(DeviceState *parent, PMSMBus *smb);
void smb_ioport_writeb(void *opaque, uint32_t addr, uint32_t val);
uint32_t smb_ioport_readb(void *opaque, uint32_t addr);
#endif /* !PM_SMBUS_H */