au1500sio.h

au1500开发的应用程序

/* au1500Sio.h - Au1x00 UART tty driver header */

/*
 * This file has been developed or significantly modified by the
 * MIPS Center of Excellence Dedicated Engineering Staff.
 * This notice is as per the MIPS Center of Excellence Master Partner
 * Agreement, do not remove this notice without checking first with
 * WR/Platforms MIPS Center of Excellence engineering management.
 */

/* Copyright 1984-2001 Wind River Systems, Inc. */

/*
modification history
--------------------
01b,12mar05,fhc  adopted from pb1500/au1000Sio.c
01a,01feb01,ejd  written
*/

#ifndef __INCau1500Sioh
#define __INCau1500Sioh

#ifdef __cplusplus
extern "C" {
#endif

#ifndef _ASMLANGUAGE
#endif 

/* Register content definitions */

    /* uart_inten */

#define UART_INTEN_MIE		(1<<3)
#define UART_INTEN_LIE		(1<<2)
#define UART_INTEN_TIE		(1<<1)
#define UART_INTEN_RIE		(1<<0)

    /* uart_intcause */

#define UART_INTCAUSE_IID	(7<<1)
#define UART_INTCAUSE_IP	(1<<0)
#define UART_INTCAUSE_IID_MS	(0<<1)
#define UART_INTCAUSE_IID_TBA	(1<<1)
#define UART_INTCAUSE_IID_RDA	(2<<1)
#define UART_INTCAUSE_IID_RLS	(3<<1)
#define UART_INTCAUSE_IID_CTO	(6<<1)

    /* uart_fifoctrl */
    
#define UART_FIFOCTRL_RFT	(3<<6)
#define UART_FIFOCTRL_TFT	(3<<4)
#define UART_FIFOCTRL_MS	(1<<3)
#define UART_FIFOCTRL_TR	(1<<2)
#define UART_FIFOCTRL_RR	(1<<1)
#define UART_FIFOCTRL_FE	(1<<0)
#define UART_FIFOCTRL_RFT_1	(0<<6)
#define UART_FIFOCTRL_RFT_4	(1<<6)
#define UART_FIFOCTRL_RFT_8	(2<<6)
#define UART_FIFOCTRL_RFT_14	(3<<6)
#define UART_FIFOCTRL_TFT_0	(0<<4)
#define UART_FIFOCTRL_TFT_4	(1<<4)
#define UART_FIFOCTRL_TFT_8	(2<<4)
#define UART_FIFOCTRL_TFT_12	(3<<4)

    /* uart_linectrl */

#define UART_LINECTRL_SB	(1<<6)
#define UART_LINECTRL_PAR	(3<<4)
#define UART_LINECTRL_PE	(1<<3)
#define UART_LINECTRL_ST	(1<<2)
#define UART_LINECTRL_WLS	(3<<0)
#define UART_LINECTRL_PAR_O	(0<<4)
#define UART_LINECTRL_PAR_E	(1<<4)
#define UART_LINECTRL_PAR_M	(2<<4)
#define UART_LINECTRL_PAR_Z	(3<<4)
#define UART_LINECTRL_WLS_5	(0<<0)
#define UART_LINECTRL_WLS_6	(1<<0)
#define UART_LINECTRL_WLS_7	(2<<0)
#define UART_LINECTRL_WLS_8	(3<<0)

    /* uart_mdmctrl */

#define UART_MDMCTRL_LB		(1<<4)
#define UART_MDMCTRL_I1		(1<<3)
#define UART_MDMCTRL_I0		(1<<2)
#define UART_MDMCTRL_RT		(1<<1)
#define UART_MDMCTRL_DT		(1<<0)

    /* uart_linestat */

#define UART_LINESTAT_RF	(1<<7)
#define UART_LINESTAT_TE	(1<<6)
#define UART_LINESTAT_TT	(1<<5)
#define UART_LINESTAT_BI	(1<<4)
#define UART_LINESTAT_FE	(1<<3)
#define UART_LINESTAT_PE	(1<<2)
#define UART_LINESTAT_OE	(1<<1)
#define UART_LINESTAT_DR	(1<<0)

    /* uart_mdmstat */

#define UART_MDMSTAT_CD		(1<<7)
#define UART_MDMSTAT_RI		(1<<6)
#define UART_MDMSTAT_DS		(1<<5)
#define UART_MDMSTAT_CT		(1<<4)
#define UART_MDMSTAT_DD		(1<<3)
#define UART_MDMSTAT_TRI	(1<<2)
#define UART_MDMSTAT_DR		(1<<1)
#define UART_MDMSTAT_DC		(1<<0)

    /* uart_enable */

#define UART_ENABLE_E		(1<<1)
#define UART_ENABLE_CE		(1<<0)

/* structures */

#ifndef _ASMLANGUAGE

typedef volatile struct
{
	UINT32 uart_rxdata;
	UINT32 uart_txdata;
	UINT32 uart_inten;
	UINT32 uart_intcause;
	UINT32 uart_fifoctrl;
	UINT32 uart_linectrl;
	UINT32 uart_mdmctrl;
	UINT32 uart_linestat;
	UINT32 uart_mdmstat;
	UINT32 reserved0;
	UINT32 uart_clkdiv;
	UINT32 reserved1[53];
	UINT32 uart_enable;

} AU1000_UART;

typedef struct
    {
    /* always goes first */

    SIO_DRV_FUNCS *     pDrvFuncs;      /* driver functions */

    /* callbacks */

    STATUS      (*getTxChar) (); /* pointer to xmitr function */	
    STATUS      (*putRcvChar) (); /* pointer to rcvr function */
    void *      getTxArg;
    void *      putRcvArg;

    AU1000_UART *regs;		/* UART registers */
    UINT8 	level;		/* 8259a interrupt level for this device */
    UINT8 	ier;		/* copy of interrupt enable register */
    UINT8 	lcr;		/* copy of line control register */
    UINT8 	mcr;		/* copy of modem control register */
    UINT8 	pad1;

    UINT16      channelMode;	/* such as INT, POLL modes */
    UINT16      regDelta;	/* register address spacing */
    int         baudRate;       /* UART baud rate */
    UINT32      xtal;		/* UART clock frequency     */     
    UINT32	options;	/* hardware setup options */

    } AUSIO_CHAN;

extern void auSioInt (AUSIO_CHAN *);
extern void auSioDevInit (AUSIO_CHAN *);

#endif  /* _ASMLANGUAGE */

#ifdef __cplusplus
}
#endif

#endif /* __INCau1500Sioh */