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//#include <device/smbus_def.h>
#define SMBUS_ERROR -1
#define SMBUS_WAIT_UNTIL_READY_TIMEOUT -2
#define SMBUS_WAIT_UNTIL_DONE_TIMEOUT -3
#define SMB_SDA 0x00
#define SMB_STS 0x01
#define SMB_CTRL_STS 0x02
#define SMB_CTRL1 0x03
#define SMB_ADD 0x04
#define SMB_CTRL2 0x05
#define SMB_CTRL3 0x06
#define SMB_STS_SLVSTP (0x01 << 7)
#define SMB_STS_SDAST (0x01 << 6)
#define SMB_STS_BER (0x01 << 5)
#define SMB_STS_NEGACK (0x01 << 4)
#define SMB_STS_STASTR (0x01 << 3)
#define SMB_STS_NMATCH (0x01 << 2)
#define SMB_STS_MASTER (0x01 << 1)
#define SMB_STS_XMIT (0x01 << 0)
#define SMB_CSTS_TGSCL (0x01 << 5)
#define SMB_CSTS_TSDA (0x01 << 4)
#define SMB_CSTS_GCMTCH (0x01 << 3)
#define SMB_CSTS_MATCH (0x01 << 2)
#define SMB_CSTS_BB (0x01 << 1)
#define SMB_CSTS_BUSY (0x01 << 0)
#define SMB_CTRL1_STASTRE (0x01 << 7)
#define SMB_CTRL1_NMINTE (0x01 << 6)
#define SMB_CTRL1_GCMEN (0x01 << 5)
#define SMB_CTRL1_ACK (0x01 << 4)
#define SMB_CTRL1_RSVD (0x01 << 3)
#define SMB_CTRL1_INTEN (0x01 << 2)
#define SMB_CTRL1_STOP (0x01 << 1)
#define SMB_CTRL1_START (0x01 << 0)
#define SMB_ADD_SAEN (0x01 << 7)
#define SMB_CTRL2_ENABLE 0x01
#define SMBUS_TIMEOUT (100*1000*10)
#define SMBUS_STATUS_MASK 0xfbff
#define SMBUS_IO_BASE 0x6000
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