/* $PSLibId: Run-time Library Release 4.7$ */
#ifndef _LIBSIO_H_
#define _LIBSIO_H_

/*
 *  Copyright (C) 1996,1997 Sony Computer Entertainment Inc. All Rights Reserved
 *  libsio.h: Sio Interface
 */

/* status bits */
#define SR_IRQ		0x200
#define SR_CTS		0x100
#define SR_DSR		0x80
#define SR_FE		0x20
#define SR_OE		0x10
#define SR_PERROR	0x8
#define SR_TXU		0x4
#define SR_RXRDY	0x2
#define SR_TXRDY	0x1

#define SIO_CTS		0x100
#define SIO_DSR		0x80
#define SIO_FE		0x20
#define SIO_OE		0x10
#define SIO_PERROR	0x8
#define SIO_TXU		0x4
#define SIO_RXRDY	0x2
#define SIO_TXRDY	0x1


/* control bits */
#define CR_DSRIEN	0x1000
#define CR_RXIEN	0x800
#define CR_TXIEN	0x400
#define CR_BUFSZ_1	0x0
#define CR_BUFSZ_2	0x100
#define CR_BUFSZ_4	0x200
#define CR_BUFSZ_8	0x300
#define CR_INTRST	0x40
#define CR_RTS		0x20
#define CR_ERRRST	0x10
#define CR_BRK		0x8
#define CR_RXEN		0x4
#define CR_DTR		0x2
#define CR_TXEN		0x1

#define SIO_BIT_DTR	CR_DTR
#define SIO_BIT_RTS	CR_RTS

/* mode bits */
#define	MR_SB_00	0x0
#define	MR_SB_01	0x40
#define	MR_SB_10	0x80
#define	MR_SB_11	0xC0
#define MR_P_EVEN	0x20
#define MR_PEN		0x10
#define MR_CHLEN_5	0x0
#define MR_CHLEN_6	0x4
#define MR_CHLEN_7	0x8
#define MR_CHLEN_8	0xC
#define MR_BR_1		0x1
#define MR_BR_16	0x2
#define MR_BR_64	0x3

/*
 * Prototypes
 */

#if defined(_LANGUAGE_C_PLUS_PLUS)||defined(__cplusplus)||defined(c_plusplus)
extern "C" {
#endif
extern long AddSIO(int baud);
extern long DelSIO(void);
extern long _sio_control(unsigned long cmd, unsigned long arg, unsigned long param);
extern int Sio1Callback (void (*func)());
#if defined(_LANGUAGE_C_PLUS_PLUS)||defined(__cplusplus)||defined(c_plusplus)
}
#endif
#endif /* _LIBSIO_H_ */