/* i82550Sio.h - header file for i82550 serial driver *//* Copyright 1984-2002 Wind River Systems, Inc. *//*modification history--------------------01f,26apr02,dat  Adding cplusplus protection, SPR 7501701e,29sep01,dat  Rework for adaptor type struct, new API is just		 create and destroy.01d,01jul97,db	added registers and defines for modem control. 01c,24feb97,dat  used SIO_CHAN as first structure element,		instead of SIO_DRV_FUNCS *.01b,17dec96,dat added 'options' to chan structure.01a,02aug95,ms  written.*/#ifndef __INCi82550Sioh#define __INCi82550Sioh#include "sioLib.h"#ifdef __cplusplusextern "C" {#endif/* * This driver for a generic SIO device only uses 8 bit reads/writes. * These are the register offsets for our fictitious device. * * Control Register	 	0x0	(write) * Status Register	 	0x0	(read) * Data register		0x1	(read/write) * Modem Status Register	0x2	(read) * Modem Control Register	0x2	(write) * Baud Rate Control Reg.       0x3	(read/write) * * The i82550 driver uses 3 interrupt vectors. * Receive Interrupt		0x0 * Transmit Interrupt		0x1 * Error/Modem Interrupt	0x2 * * Other adaptor functions used include: * intConnect, intDisconnect. */#define I82550_CSR_ID		0x0	/* register offsets */#define I82550_DATA_ID	0x1#define I82550_MSR_ID		0x2#define I82550_BAUD_ID	0x3#define I82550_RXINT_ID	0x0	/* vector offsets */#define I82550_TXINT_ID	0x1#define I82550_ERRINT_ID	0x2/* * Here is the real API for creating and destroying an instance of a i82550 * SIO device.  Use the standard sioLib functions * for manipulating the device.  The only really device specific * functions are for creation and destruction. */IMPORT SIO_CHAN * i82550SioCreate /* create an instance */	(	UINT32 ioBase,		/* device adaptor specific data */	UINT32 vecBase,		/* vector base number */	UINT32 intLevel,	/* interrupt level for vectors */	UINT32 clkFreq		/* device clock frequency */	);IMPORT STATUS i82550SioDestroy /* destroy an instance */	(SIO_CHAN *);		/* must be a i82550 SIO type object */#ifdef __cplusplus}#endif#endif  /* __INCi82550Sioh */