qemu-e2k/include/hw/i2c/pm_smbus.h

41 lines
903 B
C

#ifndef PM_SMBUS_H
#define PM_SMBUS_H
#include "hw/i2c/smbus_master.h"
#define PM_SMBUS_MAX_MSG_SIZE 32
typedef struct PMSMBus {
I2CBus *smbus;
MemoryRegion io;
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[PM_SMBUS_MAX_MSG_SIZE];
uint8_t smb_blkdata;
uint8_t smb_auxctl;
uint32_t smb_index;
/* Set by pm_smbus.c */
void (*reset)(struct PMSMBus *s);
/* Set by the user. */
bool i2c_enable;
void (*set_irq)(struct PMSMBus *s, bool enabled);
void *opaque;
/* Internally used by pm_smbus. */
/* Set on block transfers after the last byte has been read, so the
INTR bit can be set at the right time. */
bool op_done;
} PMSMBus;
void pm_smbus_init(DeviceState *parent, PMSMBus *smb, bool force_aux_blk);
#endif /* PM_SMBUS_H */