#ifndef _UART_DEF_EXT_H
#define _UART_DEF_EXT_H
#include <drv_types.h>

#define MAX_BUFFER_SIZE		1024

typedef struct _Ser8250_IOData{ 
	unsigned int	len;		//dont' use int!! overflow limit
	unsigned char 	buff[MAX_BUFFER_SIZE];	
} Ser8250_IOData, *Ser8250_IODataPtr;

#define SiS_UART_READ		_IOR('T', 0xA0, Ser8250_IOData )	//0x54A0
#define SiS_UART_TRYREAD	_IOR('T', 0xA1, Ser8250_IOData )	//0x54A1
#define SiS_UART_WRITE		_IOW('T', 0xA2, Ser8250_IOData )	//0x54A2
#define SiS_UART_STOP		_IOW('T', 0xA3, Ser8250_IOData )	//0x54A3
#endif // end of #ifndef _UART_DEF_EXT_H