#define SJA_MAJOR       90#define SJA_NUM         2#define SJA_CMD_PORT    0x324#define SJA1_DAT_PORT   0x325#define SJA2_DAT_PORT   0x326#define SJA_MODE	0x00#define SJA_CMR		0x01#define SJA_SR		0x02#define SJA_IR		0x03#define SJA_IE		0x04#define SJA_BTR0	0x06#define SJA_BTR1	0x07#define SJA_OCR		0x08#define SJA_ECC		0x0C#define SJA_TXBUF	0x10#define SJA_RXBUF	0x10#define SJA_ACR0	0x10#define SJA_ACR1	0x11#define SJA_ACR2	0x12#define SJA_ACR3	0x13#define SJA_AMR0	0x14#define SJA_AMR1	0x15#define SJA_AMR2	0x16#define SJA_AMR3	0x17#define SJA_CDR		0x1F#define BUFSIZ          4000#define SJA_READ(addr,data_port) ({ \        outb_p(addr,SJA_CMD_PORT); \        inb_p(data_port); \        })#define SJA_WRITE(val,addr,data_port)    ({ \        outb_p(addr,SJA_CMD_PORT); \        outb_p(val,data_port); \        })struct SJA_device {       struct tq_struct     *recv_bottom_task;       unsigned char       *RecvBuf;       volatile unsigned long RecvHead;       volatile unsigned long RecvTail;       volatile unsigned long RecvNum;       struct wait_queue   *RecvQueue;       unsigned int         IrqNum;       volatile unsigned char   lock;       unsigned char     Block;       unsigned int      PortNum;/*設備此設備號*/       unsigned int      FrameMode;       unsigned int      BaudRate;       unsigned int      DMA;     //8=no ,0=1,...7=7;       unsigned int      FIFOEnable;       unsigned int      TriggerLevel;       unsigned int      ref_count;       unsigned char     *SendBuf;       unsigned int      SendNum;       unsigned long volatile SendHead;       volatile unsigned long SendTail;       struct wait_queue *SendQueue;       struct timer_list *timer;       int TimerCount;} __attribute__((aligned(L1_CACHE_BYTES),packed));