diff --git a/drivers/char/rocket_int.h b/drivers/char/rocket_int.h
new file mode 100644
index 0000000..8026872
--- /dev/null
+++ b/drivers/char/rocket_int.h
@@ -0,0 +1,1296 @@
+/*
+ * rocket_int.h --- internal header file for rocket.c
+ *
+ * Written by Theodore Ts'o, Copyright 1997.
+ * Copyright 1997 Comtrol Corporation.  
+ * 
+ */
+
+/*
+ * Definition of the types in rcktpt_type
+ */
+#define ROCKET_TYPE_NORMAL	0
+#define ROCKET_TYPE_MODEM	1
+#define ROCKET_TYPE_MODEMII	2
+#define ROCKET_TYPE_MODEMIII	3
+#define ROCKET_TYPE_PC104       4
+
+#include <asm/io.h>
+#include <asm/byteorder.h>
+
+typedef unsigned char Byte_t;
+typedef unsigned int ByteIO_t;
+
+typedef unsigned int Word_t;
+typedef unsigned int WordIO_t;
+
+typedef unsigned long DWord_t;
+typedef unsigned int DWordIO_t;
+
+/*
+ * Note!  Normally the Linux I/O macros already take care of
+ * byte-swapping the I/O instructions.  However, all accesses using
+ * sOutDW aren't really 32-bit accesses, but should be handled in byte
+ * order.  Hence the use of the cpu_to_le32() macro to byte-swap
+ * things to no-op the byte swapping done by the big-endian outl()
+ * instruction.
+ */
+
+#ifdef ROCKET_DEBUG_IO
+static inline void sOutB(unsigned short port, unsigned char value)
+{
+#ifdef ROCKET_DEBUG_IO
+	printk("sOutB(%x, %x)...", port, value);
+#endif
+	outb_p(value, port);
+}
+
+static inline void sOutW(unsigned short port, unsigned short value)
+{
+#ifdef ROCKET_DEBUG_IO
+	printk("sOutW(%x, %x)...", port, value);
+#endif
+	outw_p(value, port);
+}
+
+static inline void sOutDW(unsigned short port, unsigned long value)
+{
+#ifdef ROCKET_DEBUG_IO
+	printk("sOutDW(%x, %lx)...", port, value);
+#endif
+	outl_p(cpu_to_le32(value), port);
+}
+
+static inline unsigned char sInB(unsigned short port)
+{
+	return inb_p(port);
+}
+
+static inline unsigned short sInW(unsigned short port)
+{
+	return inw_p(port);
+}
+
+#else				/* !ROCKET_DEBUG_IO */
+#define sOutB(a, b) outb_p(b, a)
+#define sOutW(a, b) outw_p(b, a)
+#define sOutDW(port, value) outl_p(cpu_to_le32(value), port)
+#define sInB(a) (inb_p(a))
+#define sInW(a) (inw_p(a))
+#endif				/* ROCKET_DEBUG_IO */
+
+/* This is used to move arrays of bytes so byte swapping isn't appropriate. */
+#define sOutStrW(port, addr, count) if (count) outsw(port, addr, count)
+#define sInStrW(port, addr, count) if (count) insw(port, addr, count)
+
+#define CTL_SIZE 8
+#define AIOP_CTL_SIZE 4
+#define CHAN_AIOP_SIZE 8
+#define MAX_PORTS_PER_AIOP 8
+#define MAX_AIOPS_PER_BOARD 4
+#define MAX_PORTS_PER_BOARD 32
+
+/* Bus type ID */
+#define	isISA	0
+#define	isPCI	1
+#define	isMC	2
+
+/* Controller ID numbers */
+#define CTLID_NULL  -1		/* no controller exists */
+#define CTLID_0001  0x0001	/* controller release 1 */
+
+/* AIOP ID numbers, identifies AIOP type implementing channel */
+#define AIOPID_NULL -1		/* no AIOP or channel exists */
+#define AIOPID_0001 0x0001	/* AIOP release 1 */
+
+#define NULLDEV -1		/* identifies non-existant device */
+#define NULLCTL -1		/* identifies non-existant controller */
+#define NULLCTLPTR (CONTROLLER_T *)0	/* identifies non-existant controller */
+#define NULLAIOP -1		/* identifies non-existant AIOP */
+#define NULLCHAN -1		/* identifies non-existant channel */
+
+/************************************************************************
+ Global Register Offsets - Direct Access - Fixed values
+************************************************************************/
+
+#define _CMD_REG   0x38		/* Command Register            8    Write */
+#define _INT_CHAN  0x39		/* Interrupt Channel Register  8    Read */
+#define _INT_MASK  0x3A		/* Interrupt Mask Register     8    Read / Write */
+#define _UNUSED    0x3B		/* Unused                      8 */
+#define _INDX_ADDR 0x3C		/* Index Register Address      16   Write */
+#define _INDX_DATA 0x3E		/* Index Register Data         8/16 Read / Write */
+
+/************************************************************************
+ Channel Register Offsets for 1st channel in AIOP - Direct Access
+************************************************************************/
+#define _TD0       0x00		/* Transmit Data               16   Write */
+#define _RD0       0x00		/* Receive Data                16   Read */
+#define _CHN_STAT0 0x20		/* Channel Status              8/16 Read / Write */
+#define _FIFO_CNT0 0x10		/* Transmit/Receive FIFO Count 16   Read */
+#define _INT_ID0   0x30		/* Interrupt Identification    8    Read */
+
+/************************************************************************
+ Tx Control Register Offsets - Indexed - External - Fixed
+************************************************************************/
+#define _TX_ENBLS  0x980	/* Tx Processor Enables Register 8 Read / Write */
+#define _TXCMP1    0x988	/* Transmit Compare Value #1     8 Read / Write */
+#define _TXCMP2    0x989	/* Transmit Compare Value #2     8 Read / Write */
+#define _TXREP1B1  0x98A	/* Tx Replace Value #1 - Byte 1  8 Read / Write */
+#define _TXREP1B2  0x98B	/* Tx Replace Value #1 - Byte 2  8 Read / Write */
+#define _TXREP2    0x98C	/* Transmit Replace Value #2     8 Read / Write */
+
+/************************************************************************
+Memory Controller Register Offsets - Indexed - External - Fixed
+************************************************************************/
+#define _RX_FIFO    0x000	/* Rx FIFO */
+#define _TX_FIFO    0x800	/* Tx FIFO */
+#define _RXF_OUTP   0x990	/* Rx FIFO OUT pointer        16 Read / Write */
+#define _RXF_INP    0x992	/* Rx FIFO IN pointer         16 Read / Write */
+#define _TXF_OUTP   0x994	/* Tx FIFO OUT pointer        8  Read / Write */
+#define _TXF_INP    0x995	/* Tx FIFO IN pointer         8  Read / Write */
+#define _TXP_CNT    0x996	/* Tx Priority Count          8  Read / Write */
+#define _TXP_PNTR   0x997	/* Tx Priority Pointer        8  Read / Write */
+
+#define PRI_PEND    0x80	/* Priority data pending (bit7, Tx pri cnt) */
+#define TXFIFO_SIZE 255		/* size of Tx FIFO */
+#define RXFIFO_SIZE 1023	/* size of Rx FIFO */
+
+/************************************************************************
+Tx Priority Buffer - Indexed - External - Fixed
+************************************************************************/
+#define _TXP_BUF    0x9C0	/* Tx Priority Buffer  32  Bytes   Read / Write */
+#define TXP_SIZE    0x20	/* 32 bytes */
+
+/************************************************************************
+Channel Register Offsets - Indexed - Internal - Fixed
+************************************************************************/
+
+#define _TX_CTRL    0xFF0	/* Transmit Control               16  Write */
+#define _RX_CTRL    0xFF2	/* Receive Control                 8  Write */
+#define _BAUD       0xFF4	/* Baud Rate                      16  Write */
+#define _CLK_PRE    0xFF6	/* Clock Prescaler                 8  Write */
+
+#define STMBREAK   0x08		/* BREAK */
+#define STMFRAME   0x04		/* framing error */
+#define STMRCVROVR 0x02		/* receiver over run error */
+#define STMPARITY  0x01		/* parity error */
+#define STMERROR   (STMBREAK | STMFRAME | STMPARITY)
+#define STMBREAKH   0x800	/* BREAK */
+#define STMFRAMEH   0x400	/* framing error */
+#define STMRCVROVRH 0x200	/* receiver over run error */
+#define STMPARITYH  0x100	/* parity error */
+#define STMERRORH   (STMBREAKH | STMFRAMEH | STMPARITYH)
+
+#define CTS_ACT   0x20		/* CTS input asserted */
+#define DSR_ACT   0x10		/* DSR input asserted */
+#define CD_ACT    0x08		/* CD input asserted */
+#define TXFIFOMT  0x04		/* Tx FIFO is empty */
+#define TXSHRMT   0x02		/* Tx shift register is empty */
+#define RDA       0x01		/* Rx data available */
+#define DRAINED (TXFIFOMT | TXSHRMT)	/* indicates Tx is drained */
+
+#define STATMODE  0x8000	/* status mode enable bit */
+#define RXFOVERFL 0x2000	/* receive FIFO overflow */
+#define RX2MATCH  0x1000	/* receive compare byte 2 match */
+#define RX1MATCH  0x0800	/* receive compare byte 1 match */
+#define RXBREAK   0x0400	/* received BREAK */
+#define RXFRAME   0x0200	/* received framing error */
+#define RXPARITY  0x0100	/* received parity error */
+#define STATERROR (RXBREAK | RXFRAME | RXPARITY)
+
+#define CTSFC_EN  0x80		/* CTS flow control enable bit */
+#define RTSTOG_EN 0x40		/* RTS toggle enable bit */
+#define TXINT_EN  0x10		/* transmit interrupt enable */
+#define STOP2     0x08		/* enable 2 stop bits (0 = 1 stop) */
+#define PARITY_EN 0x04		/* enable parity (0 = no parity) */
+#define EVEN_PAR  0x02		/* even parity (0 = odd parity) */
+#define DATA8BIT  0x01		/* 8 bit data (0 = 7 bit data) */
+
+#define SETBREAK  0x10		/* send break condition (must clear) */
+#define LOCALLOOP 0x08		/* local loopback set for test */
+#define SET_DTR   0x04		/* assert DTR */
+#define SET_RTS   0x02		/* assert RTS */
+#define TX_ENABLE 0x01		/* enable transmitter */
+
+#define RTSFC_EN  0x40		/* RTS flow control enable */
+#define RXPROC_EN 0x20		/* receive processor enable */
+#define TRIG_NO   0x00		/* Rx FIFO trigger level 0 (no trigger) */
+#define TRIG_1    0x08		/* trigger level 1 char */
+#define TRIG_1_2  0x10		/* trigger level 1/2 */
+#define TRIG_7_8  0x18		/* trigger level 7/8 */
+#define TRIG_MASK 0x18		/* trigger level mask */
+#define SRCINT_EN 0x04		/* special Rx condition interrupt enable */
+#define RXINT_EN  0x02		/* Rx interrupt enable */
+#define MCINT_EN  0x01		/* modem change interrupt enable */
+
+#define RXF_TRIG  0x20		/* Rx FIFO trigger level interrupt */
+#define TXFIFO_MT 0x10		/* Tx FIFO empty interrupt */
+#define SRC_INT   0x08		/* special receive condition interrupt */
+#define DELTA_CD  0x04		/* CD change interrupt */
+#define DELTA_CTS 0x02		/* CTS change interrupt */
+#define DELTA_DSR 0x01		/* DSR change interrupt */
+
+#define REP1W2_EN 0x10		/* replace byte 1 with 2 bytes enable */
+#define IGN2_EN   0x08		/* ignore byte 2 enable */
+#define IGN1_EN   0x04		/* ignore byte 1 enable */
+#define COMP2_EN  0x02		/* compare byte 2 enable */
+#define COMP1_EN  0x01		/* compare byte 1 enable */
+
+#define RESET_ALL 0x80		/* reset AIOP (all channels) */
+#define TXOVERIDE 0x40		/* Transmit software off override */
+#define RESETUART 0x20		/* reset channel's UART */
+#define RESTXFCNT 0x10		/* reset channel's Tx FIFO count register */
+#define RESRXFCNT 0x08		/* reset channel's Rx FIFO count register */
+
+#define INTSTAT0  0x01		/* AIOP 0 interrupt status */
+#define INTSTAT1  0x02		/* AIOP 1 interrupt status */
+#define INTSTAT2  0x04		/* AIOP 2 interrupt status */
+#define INTSTAT3  0x08		/* AIOP 3 interrupt status */
+
+#define INTR_EN   0x08		/* allow interrupts to host */
+#define INT_STROB 0x04		/* strobe and clear interrupt line (EOI) */
+
+/**************************************************************************
+ MUDBAC remapped for PCI
+**************************************************************************/
+
+#define _CFG_INT_PCI  0x40
+#define _PCI_INT_FUNC 0x3A
+
+#define PCI_STROB 0x2000	/* bit 13 of int aiop register */
+#define INTR_EN_PCI   0x0010	/* allow interrupts to host */
+
+/*
+ * Definitions for Universal PCI board registers
+ */
+#define _PCI_9030_INT_CTRL	0x4c          /* Offsets from BAR1 */
+#define _PCI_9030_GPIO_CTRL	0x54
+#define PCI_INT_CTRL_AIOP	0x0001
+#define PCI_GPIO_CTRL_8PORT	0x4000
+#define _PCI_9030_RING_IND	0xc0          /* Offsets from BAR1 */
+
+#define CHAN3_EN  0x08		/* enable AIOP 3 */
+#define CHAN2_EN  0x04		/* enable AIOP 2 */
+#define CHAN1_EN  0x02		/* enable AIOP 1 */
+#define CHAN0_EN  0x01		/* enable AIOP 0 */
+#define FREQ_DIS  0x00
+#define FREQ_274HZ 0x60
+#define FREQ_137HZ 0x50
+#define FREQ_69HZ  0x40
+#define FREQ_34HZ  0x30
+#define FREQ_17HZ  0x20
+#define FREQ_9HZ   0x10
+#define PERIODIC_ONLY 0x80	/* only PERIODIC interrupt */
+
+#define CHANINT_EN 0x0100	/* flags to enable/disable channel ints */
+
+#define RDATASIZE 72
+#define RREGDATASIZE 52
+
+/*
+ * AIOP interrupt bits for ISA/PCI boards and UPCI boards.
+ */
+#define AIOP_INTR_BIT_0		0x0001
+#define AIOP_INTR_BIT_1		0x0002
+#define AIOP_INTR_BIT_2		0x0004
+#define AIOP_INTR_BIT_3		0x0008
+
+#define AIOP_INTR_BITS ( \
+	AIOP_INTR_BIT_0 \
+	| AIOP_INTR_BIT_1 \
+	| AIOP_INTR_BIT_2 \
+	| AIOP_INTR_BIT_3)
+
+#define UPCI_AIOP_INTR_BIT_0	0x0004
+#define UPCI_AIOP_INTR_BIT_1	0x0020
+#define UPCI_AIOP_INTR_BIT_2	0x0100
+#define UPCI_AIOP_INTR_BIT_3	0x0800
+
+#define UPCI_AIOP_INTR_BITS ( \
+	UPCI_AIOP_INTR_BIT_0 \
+	| UPCI_AIOP_INTR_BIT_1 \
+	| UPCI_AIOP_INTR_BIT_2 \
+	| UPCI_AIOP_INTR_BIT_3)
+
+/* Controller level information structure */
+typedef struct {
+	int CtlID;
+	int CtlNum;
+	int BusType;
+	int boardType;
+	int isUPCI;
+	WordIO_t PCIIO;
+	WordIO_t PCIIO2;
+	ByteIO_t MBaseIO;
+	ByteIO_t MReg1IO;
+	ByteIO_t MReg2IO;
+	ByteIO_t MReg3IO;
+	Byte_t MReg2;
+	Byte_t MReg3;
+	int NumAiop;
+	int AltChanRingIndicator;
+	ByteIO_t UPCIRingInd;
+	WordIO_t AiopIO[AIOP_CTL_SIZE];
+	ByteIO_t AiopIntChanIO[AIOP_CTL_SIZE];
+	int AiopID[AIOP_CTL_SIZE];
+	int AiopNumChan[AIOP_CTL_SIZE];
+	Word_t *AiopIntrBits;
+} CONTROLLER_T;
+
+typedef CONTROLLER_T CONTROLLER_t;
+
+/* Channel level information structure */
+typedef struct {
+	CONTROLLER_T *CtlP;
+	int AiopNum;
+	int ChanID;
+	int ChanNum;
+	int rtsToggle;
+
+	ByteIO_t Cmd;
+	ByteIO_t IntChan;
+	ByteIO_t IntMask;
+	DWordIO_t IndexAddr;
+	WordIO_t IndexData;
+
+	WordIO_t TxRxData;
+	WordIO_t ChanStat;
+	WordIO_t TxRxCount;
+	ByteIO_t IntID;
+
+	Word_t TxFIFO;
+	Word_t TxFIFOPtrs;
+	Word_t RxFIFO;
+	Word_t RxFIFOPtrs;
+	Word_t TxPrioCnt;
+	Word_t TxPrioPtr;
+	Word_t TxPrioBuf;
+
+	Byte_t R[RREGDATASIZE];
+
+	Byte_t BaudDiv[4];
+	Byte_t TxControl[4];
+	Byte_t RxControl[4];
+	Byte_t TxEnables[4];
+	Byte_t TxCompare[4];
+	Byte_t TxReplace1[4];
+	Byte_t TxReplace2[4];
+} CHANNEL_T;
+
+typedef CHANNEL_T CHANNEL_t;
+typedef CHANNEL_T *CHANPTR_T;
+
+#define InterfaceModeRS232  0x00
+#define InterfaceModeRS422  0x08
+#define InterfaceModeRS485  0x10
+#define InterfaceModeRS232T 0x18
+
+/***************************************************************************
+Function: sClrBreak
+Purpose:  Stop sending a transmit BREAK signal
+Call:     sClrBreak(ChP)
+          CHANNEL_T *ChP; Ptr to channel structure
+*/
+#define sClrBreak(ChP) \
+do { \
+   (ChP)->TxControl[3] &= ~SETBREAK; \
+   sOutDW((ChP)->IndexAddr,*(DWord_t *)&(ChP)->TxControl[0]); \
+} while (0)
+
+/***************************************************************************
+Function: sClrDTR
+Purpose:  Clr the DTR output
+Call:     sClrDTR(ChP)
+          CHANNEL_T *ChP; Ptr to channel structure
+*/
+#define sClrDTR(ChP) \
+do { \
+   (ChP)->TxControl[3] &= ~SET_DTR; \
+   sOutDW((ChP)->IndexAddr,*(DWord_t *)&(ChP)->TxControl[0]); \
+} while (0)
+
+/***************************************************************************
+Function: sClrRTS
+Purpose:  Clr the RTS output
+Call:     sClrRTS(ChP)
+          CHANNEL_T *ChP; Ptr to channel structure
+*/
+#define sClrRTS(ChP) \
+do { \
+   if ((ChP)->rtsToggle) break; \
+   (ChP)->TxControl[3] &= ~SET_RTS; \
+   sOutDW((ChP)->IndexAddr,*(DWord_t *)&(ChP)->TxControl[0]); \
+} while (0)
+
+/***************************************************************************
+Function: sClrTxXOFF
+Purpose:  Clear any existing transmit software flow control off condition
+Call:     sClrTxXOFF(ChP)
+          CHANNEL_T *ChP; Ptr to channel structure
+*/
+#define sClrTxXOFF(ChP) \
+do { \
+   sOutB((ChP)->Cmd,TXOVERIDE | (Byte_t)(ChP)->ChanNum); \
+   sOutB((ChP)->Cmd,(Byte_t)(ChP)->ChanNum); \
+} while (0)
+
+/***************************************************************************
+Function: sCtlNumToCtlPtr
+Purpose:  Convert a controller number to controller structure pointer
+Call:     sCtlNumToCtlPtr(CtlNum)
+          int CtlNum; Controller number
+Return:   CONTROLLER_T *: Ptr to controller structure
+*/
+#define sCtlNumToCtlPtr(CTLNUM) &sController[CTLNUM]
+
+/***************************************************************************
+Function: sControllerEOI
+Purpose:  Strobe the MUDBAC's End Of Interrupt bit.
+Call:     sControllerEOI(CtlP)
+          CONTROLLER_T *CtlP; Ptr to controller structure
+*/
+#define sControllerEOI(CTLP) sOutB((CTLP)->MReg2IO,(CTLP)->MReg2 | INT_STROB)
+
+/***************************************************************************
+Function: sPCIControllerEOI
+Purpose:  Strobe the PCI End Of Interrupt bit.
+          For the UPCI boards, toggle the AIOP interrupt enable bit
+	  (this was taken from the Windows driver).
+Call:     sPCIControllerEOI(CtlP)
+          CONTROLLER_T *CtlP; Ptr to controller structure
+*/
+#define sPCIControllerEOI(CTLP) \
+do { \
+    if ((CTLP)->isUPCI) { \
+	Word_t w = sInW((CTLP)->PCIIO); \
+	sOutW((CTLP)->PCIIO, (w ^ PCI_INT_CTRL_AIOP)); \
+	sOutW((CTLP)->PCIIO, w); \
+    } \
+    else { \
+	sOutW((CTLP)->PCIIO, PCI_STROB); \
+    } \
+} while (0)
+
+/***************************************************************************
+Function: sDisAiop
+Purpose:  Disable I/O access to an AIOP
+Call:     sDisAiop(CltP)
+          CONTROLLER_T *CtlP; Ptr to controller structure
+          int AiopNum; Number of AIOP on controller
+*/
+#define sDisAiop(CTLP,AIOPNUM) \
+do { \
+   (CTLP)->MReg3 &= sBitMapClrTbl[AIOPNUM]; \
+   sOutB((CTLP)->MReg3IO,(CTLP)->MReg3); \
+} while (0)
+
+/***************************************************************************
+Function: sDisCTSFlowCtl
+Purpose:  Disable output flow control using CTS
+Call:     sDisCTSFlowCtl(ChP)
+          CHANNEL_T *ChP; Ptr to channel structure
+*/
+#define sDisCTSFlowCtl(ChP) \
+do { \
+   (ChP)->TxControl[2] &= ~CTSFC_EN; \
+   sOutDW((ChP)->IndexAddr,*(DWord_t *)&(ChP)->TxControl[0]); \
+} while (0)
+
+/***************************************************************************
+Function: sDisIXANY
+Purpose:  Disable IXANY Software Flow Control
+Call:     sDisIXANY(ChP)
+          CHANNEL_T *ChP; Ptr to channel structure
+*/
+#define sDisIXANY(ChP) \
+do { \
+   (ChP)->R[0x0e] = 0x86; \
+   sOutDW((ChP)->IndexAddr,*(DWord_t *)&(ChP)->R[0x0c]); \
+} while (0)
+
+/***************************************************************************
+Function: DisParity
+Purpose:  Disable parity
+Call:     sDisParity(ChP)
+          CHANNEL_T *ChP; Ptr to channel structure
+Comments: Function sSetParity() can be used in place of functions sEnParity(),
+          sDisParity(), sSetOddParity(), and sSetEvenParity().
+*/
+#define sDisParity(ChP) \
+do { \
+   (ChP)->TxControl[2] &= ~PARITY_EN; \
+   sOutDW((ChP)->IndexAddr,*(DWord_t *)&(ChP)->TxControl[0]); \
+} while (0)
+
+/***************************************************************************
+Function: sDisRTSToggle
+Purpose:  Disable RTS toggle
+Call:     sDisRTSToggle(ChP)
+          CHANNEL_T *ChP; Ptr to channel structure
+*/
+#define sDisRTSToggle(ChP) \
+do { \
+   (ChP)->TxControl[2] &= ~RTSTOG_EN; \
+   sOutDW((ChP)->IndexAddr,*(DWord_t *)&(ChP)->TxControl[0]); \
+   (ChP)->rtsToggle = 0; \
+} while (0)
+
+/***************************************************************************
+Function: sDisRxFIFO
+Purpose:  Disable Rx FIFO
+Call:     sDisRxFIFO(ChP)
+          CHANNEL_T *ChP; Ptr to channel structure
+*/
+#define sDisRxFIFO(ChP) \
+do { \
+   (ChP)->R[0x32] = 0x0a; \
+   sOutDW((ChP)->IndexAddr,*(DWord_t *)&(ChP)->R[0x30]); \
+} while (0)
+
+/***************************************************************************
+Function: sDisRxStatusMode
+Purpose:  Disable the Rx status mode
+Call:     sDisRxStatusMode(ChP)
+          CHANNEL_T *ChP; Ptr to channel structure
+Comments: This takes the channel out of the receive status mode.  All
+          subsequent reads of receive data using sReadRxWord() will return
+          two data bytes.
+*/
+#define sDisRxStatusMode(ChP) sOutW((ChP)->ChanStat,0)
+
+/***************************************************************************
+Function: sDisTransmit
+Purpose:  Disable transmit
+Call:     sDisTransmit(ChP)
+          CHANNEL_T *ChP; Ptr to channel structure
+          This disables movement of Tx data from the Tx FIFO into the 1 byte
+          Tx buffer.  Therefore there could be up to a 2 byte latency
+          between the time sDisTransmit() is called and the transmit buffer
+          and transmit shift register going completely empty.
+*/
+#define sDisTransmit(ChP) \
+do { \
+   (ChP)->TxControl[3] &= ~TX_ENABLE; \
+   sOutDW((ChP)->IndexAddr,*(DWord_t *)&(ChP)->TxControl[0]); \
+} while (0)
+
+/***************************************************************************
+Function: sDisTxSoftFlowCtl
+Purpose:  Disable Tx Software Flow Control
+Call:     sDisTxSoftFlowCtl(ChP)
+          CHANNEL_T *ChP; Ptr to channel structure
+*/
+#define sDisTxSoftFlowCtl(ChP) \
+do { \
+   (ChP)->R[0x06] = 0x8a; \
+   sOutDW((ChP)->IndexAddr,*(DWord_t *)&(ChP)->R[0x04]); \
+} while (0)
+
+/***************************************************************************
+Function: sEnAiop
+Purpose:  Enable I/O access to an AIOP
+Call:     sEnAiop(CltP)
+          CONTROLLER_T *CtlP; Ptr to controller structure
+          int AiopNum; Number of AIOP on controller
+*/
+#define sEnAiop(CTLP,AIOPNUM) \
+do { \
+   (CTLP)->MReg3 |= sBitMapSetTbl[AIOPNUM]; \
+   sOutB((CTLP)->MReg3IO,(CTLP)->MReg3); \
+} while (0)
+
+/***************************************************************************
+Function: sEnCTSFlowCtl
+Purpose:  Enable output flow control using CTS
+Call:     sEnCTSFlowCtl(ChP)
+          CHANNEL_T *ChP; Ptr to channel structure
+*/
+#define sEnCTSFlowCtl(ChP) \
+do { \
+   (ChP)->TxControl[2] |= CTSFC_EN; \
+   sOutDW((ChP)->IndexAddr,*(DWord_t *)&(ChP)->TxControl[0]); \
+} while (0)
+
+/***************************************************************************
+Function: sEnIXANY
+Purpose:  Enable IXANY Software Flow Control
+Call:     sEnIXANY(ChP)
+          CHANNEL_T *ChP; Ptr to channel structure
+*/
+#define sEnIXANY(ChP) \
+do { \
+   (ChP)->R[0x0e] = 0x21; \
+   sOutDW((ChP)->IndexAddr,*(DWord_t *)&(ChP)->R[0x0c]); \
+} while (0)
+
+/***************************************************************************
+Function: EnParity
+Purpose:  Enable parity
+Call:     sEnParity(ChP)
+          CHANNEL_T *ChP; Ptr to channel structure
+Comments: Function sSetParity() can be used in place of functions sEnParity(),
+          sDisParity(), sSetOddParity(), and sSetEvenParity().
+
+Warnings: Before enabling parity odd or even parity should be chosen using
+          functions sSetOddParity() or sSetEvenParity().
+*/
+#define sEnParity(ChP) \
+do { \
+   (ChP)->TxControl[2] |= PARITY_EN; \
+   sOutDW((ChP)->IndexAddr,*(DWord_t *)&(ChP)->TxControl[0]); \
+} while (0)
+
+/***************************************************************************
+Function: sEnRTSToggle
+Purpose:  Enable RTS toggle
+Call:     sEnRTSToggle(ChP)
+          CHANNEL_T *ChP; Ptr to channel structure
+Comments: This function will disable RTS flow control and clear the RTS
+          line to allow operation of RTS toggle.
+*/
+#define sEnRTSToggle(ChP) \
+do { \
+   (ChP)->RxControl[2] &= ~RTSFC_EN; \
+   sOutDW((ChP)->IndexAddr,*(DWord_t *)&(ChP)->RxControl[0]); \
+   (ChP)->TxControl[2] |= RTSTOG_EN; \
+   (ChP)->TxControl[3] &= ~SET_RTS; \
+   sOutDW((ChP)->IndexAddr,*(DWord_t *)&(ChP)->TxControl[0]); \
+   (ChP)->rtsToggle = 1; \
+} while (0)
+
+/***************************************************************************
+Function: sEnRxFIFO
+Purpose:  Enable Rx FIFO
+Call:     sEnRxFIFO(ChP)
+          CHANNEL_T *ChP; Ptr to channel structure
+*/
+#define sEnRxFIFO(ChP) \
+do { \
+   (ChP)->R[0x32] = 0x08; \
+   sOutDW((ChP)->IndexAddr,*(DWord_t *)&(ChP)->R[0x30]); \
+} while (0)
+
+/***************************************************************************
+Function: sEnRxProcessor
+Purpose:  Enable the receive processor
+Call:     sEnRxProcessor(ChP)
+          CHANNEL_T *ChP; Ptr to channel structure
+Comments: This function is used to start the receive processor.  When
+          the channel is in the reset state the receive processor is not
+          running.  This is done to prevent the receive processor from
+          executing invalid microcode instructions prior to the
+          downloading of the microcode.
+
+Warnings: This function must be called after valid microcode has been
+          downloaded to the AIOP, and it must not be called before the
+          microcode has been downloaded.
+*/
+#define sEnRxProcessor(ChP) \
+do { \
+   (ChP)->RxControl[2] |= RXPROC_EN; \
+   sOutDW((ChP)->IndexAddr,*(DWord_t *)&(ChP)->RxControl[0]); \
+} while (0)
+
+/***************************************************************************
+Function: sEnRxStatusMode
+Purpose:  Enable the Rx status mode
+Call:     sEnRxStatusMode(ChP)
+          CHANNEL_T *ChP; Ptr to channel structure
+Comments: This places the channel in the receive status mode.  All subsequent
+          reads of receive data using sReadRxWord() will return a data byte
+          in the low word and a status byte in the high word.
+
+*/
+#define sEnRxStatusMode(ChP) sOutW((ChP)->ChanStat,STATMODE)
+
+/***************************************************************************
+Function: sEnTransmit
+Purpose:  Enable transmit
+Call:     sEnTransmit(ChP)
+          CHANNEL_T *ChP; Ptr to channel structure
+*/
+#define sEnTransmit(ChP) \
+do { \
+   (ChP)->TxControl[3] |= TX_ENABLE; \
+   sOutDW((ChP)->IndexAddr,*(DWord_t *)&(ChP)->TxControl[0]); \
+} while (0)
+
+/***************************************************************************
+Function: sEnTxSoftFlowCtl
+Purpose:  Enable Tx Software Flow Control
+Call:     sEnTxSoftFlowCtl(ChP)
+          CHANNEL_T *ChP; Ptr to channel structure
+*/
+#define sEnTxSoftFlowCtl(ChP) \
+do { \
+   (ChP)->R[0x06] = 0xc5; \
+   sOutDW((ChP)->IndexAddr,*(DWord_t *)&(ChP)->R[0x04]); \
+} while (0)
+
+/***************************************************************************
+Function: sGetAiopIntStatus
+Purpose:  Get the AIOP interrupt status
+Call:     sGetAiopIntStatus(CtlP,AiopNum)
+          CONTROLLER_T *CtlP; Ptr to controller structure
+          int AiopNum; AIOP number
+Return:   Byte_t: The AIOP interrupt status.  Bits 0 through 7
+                         represent channels 0 through 7 respectively.  If a
+                         bit is set that channel is interrupting.
+*/
+#define sGetAiopIntStatus(CTLP,AIOPNUM) sInB((CTLP)->AiopIntChanIO[AIOPNUM])
+
+/***************************************************************************
+Function: sGetAiopNumChan
+Purpose:  Get the number of channels supported by an AIOP
+Call:     sGetAiopNumChan(CtlP,AiopNum)
+          CONTROLLER_T *CtlP; Ptr to controller structure
+          int AiopNum; AIOP number
+Return:   int: The number of channels supported by the AIOP
+*/
+#define sGetAiopNumChan(CTLP,AIOPNUM) (CTLP)->AiopNumChan[AIOPNUM]
+
+/***************************************************************************
+Function: sGetChanIntID
+Purpose:  Get a channel's interrupt identification byte
+Call:     sGetChanIntID(ChP)
+          CHANNEL_T *ChP; Ptr to channel structure
+Return:   Byte_t: The channel interrupt ID.  Can be any
+             combination of the following flags:
+                RXF_TRIG:     Rx FIFO trigger level interrupt
+                TXFIFO_MT:    Tx FIFO empty interrupt
+                SRC_INT:      Special receive condition interrupt
+                DELTA_CD:     CD change interrupt
+                DELTA_CTS:    CTS change interrupt
+                DELTA_DSR:    DSR change interrupt
+*/
+#define sGetChanIntID(ChP) (sInB((ChP)->IntID) & (RXF_TRIG | TXFIFO_MT | SRC_INT | DELTA_CD | DELTA_CTS | DELTA_DSR))
+
+/***************************************************************************
+Function: sGetChanNum
+Purpose:  Get the number of a channel within an AIOP
+Call:     sGetChanNum(ChP)
+          CHANNEL_T *ChP; Ptr to channel structure
+Return:   int: Channel number within AIOP, or NULLCHAN if channel does
+               not exist.
+*/
+#define sGetChanNum(ChP) (ChP)->ChanNum
+
+/***************************************************************************
+Function: sGetChanStatus
+Purpose:  Get the channel status
+Call:     sGetChanStatus(ChP)
+          CHANNEL_T *ChP; Ptr to channel structure
+Return:   Word_t: The channel status.  Can be any combination of
+             the following flags:
+                LOW BYTE FLAGS
+                CTS_ACT:      CTS input asserted
+                DSR_ACT:      DSR input asserted
+                CD_ACT:       CD input asserted
+                TXFIFOMT:     Tx FIFO is empty
+                TXSHRMT:      Tx shift register is empty
+                RDA:          Rx data available
+
+                HIGH BYTE FLAGS
+                STATMODE:     status mode enable bit
+                RXFOVERFL:    receive FIFO overflow
+                RX2MATCH:     receive compare byte 2 match
+                RX1MATCH:     receive compare byte 1 match
+                RXBREAK:      received BREAK
+                RXFRAME:      received framing error
+                RXPARITY:     received parity error
+Warnings: This function will clear the high byte flags in the Channel
+          Status Register.
+*/
+#define sGetChanStatus(ChP) sInW((ChP)->ChanStat)
+
+/***************************************************************************
+Function: sGetChanStatusLo
+Purpose:  Get the low byte only of the channel status
+Call:     sGetChanStatusLo(ChP)
+          CHANNEL_T *ChP; Ptr to channel structure
+Return:   Byte_t: The channel status low byte.  Can be any combination
+             of the following flags:
+                CTS_ACT:      CTS input asserted
+                DSR_ACT:      DSR input asserted
+                CD_ACT:       CD input asserted
+                TXFIFOMT:     Tx FIFO is empty
+                TXSHRMT:      Tx shift register is empty
+                RDA:          Rx data available
+*/
+#define sGetChanStatusLo(ChP) sInB((ByteIO_t)(ChP)->ChanStat)
+
+/**********************************************************************
+ * Get RI status of channel
+ * Defined as a function in rocket.c   -aes
+ */
+#if 0
+#define sGetChanRI(ChP) ((ChP)->CtlP->AltChanRingIndicator ? \
+                          (sInB((ByteIO_t)((ChP)->ChanStat+8)) & DSR_ACT) : \
+                            (((ChP)->CtlP->boardType == ROCKET_TYPE_PC104) ? \
+                               (!(sInB((ChP)->CtlP->AiopIO[3]) & sBitMapSetTbl[(ChP)->ChanNum])) : \
+                             0))
+#endif
+
+/***************************************************************************
+Function: sGetControllerIntStatus
+Purpose:  Get the controller interrupt status
+Call:     sGetControllerIntStatus(CtlP)
+          CONTROLLER_T *CtlP; Ptr to controller structure
+Return:   Byte_t: The controller interrupt status in the lower 4
+                         bits.  Bits 0 through 3 represent AIOP's 0
+                         through 3 respectively.  If a bit is set that
+                         AIOP is interrupting.  Bits 4 through 7 will
+                         always be cleared.
+*/
+#define sGetControllerIntStatus(CTLP) (sInB((CTLP)->MReg1IO) & 0x0f)
+
+/***************************************************************************
+Function: sPCIGetControllerIntStatus
+Purpose:  Get the controller interrupt status
+Call:     sPCIGetControllerIntStatus(CtlP)
+          CONTROLLER_T *CtlP; Ptr to controller structure
+Return:   unsigned char: The controller interrupt status in the lower 4
+                         bits and bit 4.  Bits 0 through 3 represent AIOP's 0
+                         through 3 respectively. Bit 4 is set if the int 
+			 was generated from periodic. If a bit is set the
+			 AIOP is interrupting.
+*/
+#define sPCIGetControllerIntStatus(CTLP) \
+	((CTLP)->isUPCI ? \
+	  (sInW((CTLP)->PCIIO2) & UPCI_AIOP_INTR_BITS) : \
+	  ((sInW((CTLP)->PCIIO) >> 8) & AIOP_INTR_BITS))
+
+/***************************************************************************
+
+Function: sGetRxCnt
+Purpose:  Get the number of data bytes in the Rx FIFO
+Call:     sGetRxCnt(ChP)
+          CHANNEL_T *ChP; Ptr to channel structure
+Return:   int: The number of data bytes in the Rx FIFO.
+Comments: Byte read of count register is required to obtain Rx count.
+
+*/
+#define sGetRxCnt(ChP) sInW((ChP)->TxRxCount)
+
+/***************************************************************************
+Function: sGetTxCnt
+Purpose:  Get the number of data bytes in the Tx FIFO
+Call:     sGetTxCnt(ChP)
+          CHANNEL_T *ChP; Ptr to channel structure
+Return:   Byte_t: The number of data bytes in the Tx FIFO.
+Comments: Byte read of count register is required to obtain Tx count.
+
+*/
+#define sGetTxCnt(ChP) sInB((ByteIO_t)(ChP)->TxRxCount)
+
+/*****************************************************************************
+Function: sGetTxRxDataIO
+Purpose:  Get the I/O address of a channel's TxRx Data register
+Call:     sGetTxRxDataIO(ChP)
+          CHANNEL_T *ChP; Ptr to channel structure
+Return:   WordIO_t: I/O address of a channel's TxRx Data register
+*/
+#define sGetTxRxDataIO(ChP) (ChP)->TxRxData
+
+/***************************************************************************
+Function: sInitChanDefaults
+Purpose:  Initialize a channel structure to it's default state.
+Call:     sInitChanDefaults(ChP)
+          CHANNEL_T *ChP; Ptr to the channel structure
+Comments: This function must be called once for every channel structure
+          that exists before any other SSCI calls can be made.
+
+*/
+#define sInitChanDefaults(ChP) \
+do { \
+   (ChP)->CtlP = NULLCTLPTR; \
+   (ChP)->AiopNum = NULLAIOP; \
+   (ChP)->ChanID = AIOPID_NULL; \
+   (ChP)->ChanNum = NULLCHAN; \
+} while (0)
+
+/***************************************************************************
+Function: sResetAiopByNum
+Purpose:  Reset the AIOP by number
+Call:     sResetAiopByNum(CTLP,AIOPNUM)
+	CONTROLLER_T CTLP; Ptr to controller structure
+	AIOPNUM; AIOP index 
+*/
+#define sResetAiopByNum(CTLP,AIOPNUM) \
+do { \
+   sOutB((CTLP)->AiopIO[(AIOPNUM)]+_CMD_REG,RESET_ALL); \
+   sOutB((CTLP)->AiopIO[(AIOPNUM)]+_CMD_REG,0x0); \
+} while (0)
+
+/***************************************************************************
+Function: sSendBreak
+Purpose:  Send a transmit BREAK signal
+Call:     sSendBreak(ChP)
+          CHANNEL_T *ChP; Ptr to channel structure
+*/
+#define sSendBreak(ChP) \
+do { \
+   (ChP)->TxControl[3] |= SETBREAK; \
+   sOutDW((ChP)->IndexAddr,*(DWord_t *)&(ChP)->TxControl[0]); \
+} while (0)
+
+/***************************************************************************
+Function: sSetBaud
+Purpose:  Set baud rate
+Call:     sSetBaud(ChP,Divisor)
+          CHANNEL_T *ChP; Ptr to channel structure
+          Word_t Divisor; 16 bit baud rate divisor for channel
+*/
+#define sSetBaud(ChP,DIVISOR) \
+do { \
+   (ChP)->BaudDiv[2] = (Byte_t)(DIVISOR); \
+   (ChP)->BaudDiv[3] = (Byte_t)((DIVISOR) >> 8); \
+   sOutDW((ChP)->IndexAddr,*(DWord_t *)&(ChP)->BaudDiv[0]); \
+} while (0)
+
+/***************************************************************************
+Function: sSetData7
+Purpose:  Set data bits to 7
+Call:     sSetData7(ChP)
+          CHANNEL_T *ChP; Ptr to channel structure
+*/
+#define sSetData7(ChP) \
+do { \
+   (ChP)->TxControl[2] &= ~DATA8BIT; \
+   sOutDW((ChP)->IndexAddr,*(DWord_t *)&(ChP)->TxControl[0]); \
+} while (0)
+
+/***************************************************************************
+Function: sSetData8
+Purpose:  Set data bits to 8
+Call:     sSetData8(ChP)
+          CHANNEL_T *ChP; Ptr to channel structure
+*/
+#define sSetData8(ChP) \
+do { \
+   (ChP)->TxControl[2] |= DATA8BIT; \
+   sOutDW((ChP)->IndexAddr,*(DWord_t *)&(ChP)->TxControl[0]); \
+} while (0)
+
+/***************************************************************************
+Function: sSetDTR
+Purpose:  Set the DTR output
+Call:     sSetDTR(ChP)
+          CHANNEL_T *ChP; Ptr to channel structure
+*/
+#define sSetDTR(ChP) \
+do { \
+   (ChP)->TxControl[3] |= SET_DTR; \
+   sOutDW((ChP)->IndexAddr,*(DWord_t *)&(ChP)->TxControl[0]); \
+} while (0)
+
+/***************************************************************************
+Function: sSetEvenParity
+Purpose:  Set even parity
+Call:     sSetEvenParity(ChP)
+          CHANNEL_T *ChP; Ptr to channel structure
+Comments: Function sSetParity() can be used in place of functions sEnParity(),
+          sDisParity(), sSetOddParity(), and sSetEvenParity().
+
+Warnings: This function has no effect unless parity is enabled with function
+          sEnParity().
+*/
+#define sSetEvenParity(ChP) \
+do { \
+   (ChP)->TxControl[2] |= EVEN_PAR; \
+   sOutDW((ChP)->IndexAddr,*(DWord_t *)&(ChP)->TxControl[0]); \
+} while (0)
+
+/***************************************************************************
+Function: sSetOddParity
+Purpose:  Set odd parity
+Call:     sSetOddParity(ChP)
+          CHANNEL_T *ChP; Ptr to channel structure
+Comments: Function sSetParity() can be used in place of functions sEnParity(),
+          sDisParity(), sSetOddParity(), and sSetEvenParity().
+
+Warnings: This function has no effect unless parity is enabled with function
+          sEnParity().
+*/
+#define sSetOddParity(ChP) \
+do { \
+   (ChP)->TxControl[2] &= ~EVEN_PAR; \
+   sOutDW((ChP)->IndexAddr,*(DWord_t *)&(ChP)->TxControl[0]); \
+} while (0)
+
+/***************************************************************************
+Function: sSetRTS
+Purpose:  Set the RTS output
+Call:     sSetRTS(ChP)
+          CHANNEL_T *ChP; Ptr to channel structure
+*/
+#define sSetRTS(ChP) \
+do { \
+   if ((ChP)->rtsToggle) break; \
+   (ChP)->TxControl[3] |= SET_RTS; \
+   sOutDW((ChP)->IndexAddr,*(DWord_t *)&(ChP)->TxControl[0]); \
+} while (0)
+
+/***************************************************************************
+Function: sSetRxTrigger
+Purpose:  Set the Rx FIFO trigger level
+Call:     sSetRxProcessor(ChP,Level)
+          CHANNEL_T *ChP; Ptr to channel structure
+          Byte_t Level; Number of characters in Rx FIFO at which the
+             interrupt will be generated.  Can be any of the following flags:
+
+             TRIG_NO:   no trigger
+             TRIG_1:    1 character in FIFO
+             TRIG_1_2:  FIFO 1/2 full
+             TRIG_7_8:  FIFO 7/8 full
+Comments: An interrupt will be generated when the trigger level is reached
+          only if function sEnInterrupt() has been called with flag
+          RXINT_EN set.  The RXF_TRIG flag in the Interrupt Idenfification
+          register will be set whenever the trigger level is reached
+          regardless of the setting of RXINT_EN.
+
+*/
+#define sSetRxTrigger(ChP,LEVEL) \
+do { \
+   (ChP)->RxControl[2] &= ~TRIG_MASK; \
+   (ChP)->RxControl[2] |= LEVEL; \
+   sOutDW((ChP)->IndexAddr,*(DWord_t *)&(ChP)->RxControl[0]); \
+} while (0)
+
+/***************************************************************************
+Function: sSetStop1
+Purpose:  Set stop bits to 1
+Call:     sSetStop1(ChP)
+          CHANNEL_T *ChP; Ptr to channel structure
+*/
+#define sSetStop1(ChP) \
+do { \
+   (ChP)->TxControl[2] &= ~STOP2; \
+   sOutDW((ChP)->IndexAddr,*(DWord_t *)&(ChP)->TxControl[0]); \
+} while (0)
+
+/***************************************************************************
+Function: sSetStop2
+Purpose:  Set stop bits to 2
+Call:     sSetStop2(ChP)
+          CHANNEL_T *ChP; Ptr to channel structure
+*/
+#define sSetStop2(ChP) \
+do { \
+   (ChP)->TxControl[2] |= STOP2; \
+   sOutDW((ChP)->IndexAddr,*(DWord_t *)&(ChP)->TxControl[0]); \
+} while (0)
+
+/***************************************************************************
+Function: sSetTxXOFFChar
+Purpose:  Set the Tx XOFF flow control character
+Call:     sSetTxXOFFChar(ChP,Ch)
+          CHANNEL_T *ChP; Ptr to channel structure
+          Byte_t Ch; The value to set the Tx XOFF character to
+*/
+#define sSetTxXOFFChar(ChP,CH) \
+do { \
+   (ChP)->R[0x07] = (CH); \
+   sOutDW((ChP)->IndexAddr,*(DWord_t *)&(ChP)->R[0x04]); \
+} while (0)
+
+/***************************************************************************
+Function: sSetTxXONChar
+Purpose:  Set the Tx XON flow control character
+Call:     sSetTxXONChar(ChP,Ch)
+          CHANNEL_T *ChP; Ptr to channel structure
+          Byte_t Ch; The value to set the Tx XON character to
+*/
+#define sSetTxXONChar(ChP,CH) \
+do { \
+   (ChP)->R[0x0b] = (CH); \
+   sOutDW((ChP)->IndexAddr,*(DWord_t *)&(ChP)->R[0x08]); \
+} while (0)
+
+/***************************************************************************
+Function: sStartRxProcessor
+Purpose:  Start a channel's receive processor
+Call:     sStartRxProcessor(ChP)
+          CHANNEL_T *ChP; Ptr to channel structure
+Comments: This function is used to start a Rx processor after it was
+          stopped with sStopRxProcessor() or sStopSWInFlowCtl().  It
+          will restart both the Rx processor and software input flow control.
+
+*/
+#define sStartRxProcessor(ChP) sOutDW((ChP)->IndexAddr,*(DWord_t *)&(ChP)->R[0])
+
+/***************************************************************************
+Function: sWriteTxByte
+Purpose:  Write a transmit data byte to a channel.
+          ByteIO_t io: Channel transmit register I/O address.  This can
+                           be obtained with sGetTxRxDataIO().
+          Byte_t Data; The transmit data byte.
+Warnings: This function writes the data byte without checking to see if
+          sMaxTxSize is exceeded in the Tx FIFO.
+*/
+#define sWriteTxByte(IO,DATA) sOutB(IO,DATA)
+
+int sInitController(CONTROLLER_T * CtlP,
+		    int CtlNum,
+		    ByteIO_t MudbacIO,
+		    ByteIO_t * AiopIOList,
+		    int AiopIOListSize,
+		    int IRQNum, Byte_t Frequency, int PeriodicOnly);
+
+int sPCIInitController(CONTROLLER_T * CtlP,
+		       int CtlNum,
+		       ByteIO_t * AiopIOList,
+		       int AiopIOListSize,
+		       WordIO_t ConfigIO,
+		       int IRQNum,
+		       Byte_t Frequency,
+		       int PeriodicOnly,
+		       int altChanRingIndicator, int UPCIRingInd);
+
+int sReadAiopID(ByteIO_t io);
+int sReadAiopNumChan(WordIO_t io);
+int sInitChan(CONTROLLER_T * CtlP,
+	      CHANNEL_T * ChP, int AiopNum, int ChanNum);
+Byte_t sGetRxErrStatus(CHANNEL_T * ChP);
+void sStopRxProcessor(CHANNEL_T * ChP);
+void sStopSWInFlowCtl(CHANNEL_T * ChP);
+void sFlushRxFIFO(CHANNEL_T * ChP);
+void sFlushTxFIFO(CHANNEL_T * ChP);
+int sWriteTxPrioByte(CHANNEL_T * ChP, Byte_t Data);
+void sEnInterrupts(CHANNEL_T * ChP, Word_t Flags);
+void sDisInterrupts(CHANNEL_T * ChP, Word_t Flags);
+void sModemReset(CONTROLLER_T * CtlP, int chan, int on);
+void sPCIModemReset(CONTROLLER_T * CtlP, int chan, int on);
+void sSetInterfaceMode(CHANNEL_T * ChP, Byte_t mode);
+
+extern Byte_t R[RDATASIZE];
+extern CONTROLLER_T sController[CTL_SIZE];
+extern Byte_t sIRQMap[16];
+extern Byte_t sBitMapClrTbl[8];
+extern Byte_t sBitMapSetTbl[8];
+extern int sClockPrescale;
+
+/*
+ * Begin Linux specific definitions for the Rocketport driver
+ *
+ * This code is Copyright Theodore Ts'o, 1995-1997
+ */
+
+struct r_port {
+	int magic;
+	int line;
+	int flags;
+	int count;
+	int blocked_open;
+	struct tty_struct *tty;
+	unsigned int board:3;
+	unsigned int aiop:2;
+	unsigned int chan:3;
+	CONTROLLER_t *ctlp;
+	CHANNEL_t channel;
+	int closing_wait;
+	int close_delay;
+	int intmask;
+	int xmit_fifo_room;	/* room in xmit fifo */
+	unsigned char *xmit_buf;
+	int xmit_head;
+	int xmit_tail;
+	int xmit_cnt;
+	int session;
+	int pgrp;
+	int cd_status;
+	int ignore_status_mask;
+	int read_status_mask;
+	int cps;
+
+#ifdef DECLARE_WAITQUEUE
+	wait_queue_head_t open_wait;
+	wait_queue_head_t close_wait;
+#else
+	struct wait_queue *open_wait;
+	struct wait_queue *close_wait;
+#endif
+	spinlock_t slock;
+	struct semaphore write_sem;
+};
+
+#define RPORT_MAGIC 0x525001
+
+#define NUM_BOARDS 8
+#define MAX_RP_PORTS (32*NUM_BOARDS)
+
+/*
+ * The size of the xmit buffer is 1 page, or 4096 bytes
+ */
+#define XMIT_BUF_SIZE 4096
+
+/* number of characters left in xmit buffer before we ask for more */
+#define WAKEUP_CHARS 256
+
+/* Internal flags used only by the rocketport driver */
+#define ROCKET_INITIALIZED	0x80000000	/* Port is active */
+#define ROCKET_CLOSING		0x40000000	/* Serial port is closing */
+#define ROCKET_NORMAL_ACTIVE	0x20000000	/* Normal port is active */
+
+/* tty subtypes */
+#define SERIAL_TYPE_NORMAL 1
+
+/*
+ * Assigned major numbers for the Comtrol Rocketport
+ */
+#define TTY_ROCKET_MAJOR	46
+#define CUA_ROCKET_MAJOR	47
+
+#ifdef PCI_VENDOR_ID_RP
+#undef PCI_VENDOR_ID_RP
+#undef PCI_DEVICE_ID_RP8OCTA
+#undef PCI_DEVICE_ID_RP8INTF
+#undef PCI_DEVICE_ID_RP16INTF
+#undef PCI_DEVICE_ID_RP32INTF
+#undef PCI_DEVICE_ID_URP8OCTA
+#undef PCI_DEVICE_ID_URP8INTF
+#undef PCI_DEVICE_ID_URP16INTF
+#undef PCI_DEVICE_ID_CRP16INTF
+#undef PCI_DEVICE_ID_URP32INTF
+#endif
+
+/*  Comtrol PCI Vendor ID */
+#define PCI_VENDOR_ID_RP		0x11fe
+
+/*  Comtrol Device ID's */
+#define PCI_DEVICE_ID_RP32INTF		0x0001	/* Rocketport 32 port w/external I/F     */
+#define PCI_DEVICE_ID_RP8INTF		0x0002	/* Rocketport 8 port w/external I/F      */
+#define PCI_DEVICE_ID_RP16INTF		0x0003	/* Rocketport 16 port w/external I/F     */
+#define PCI_DEVICE_ID_RP4QUAD		0x0004	/* Rocketport 4 port w/quad cable        */
+#define PCI_DEVICE_ID_RP8OCTA		0x0005	/* Rocketport 8 port w/octa cable        */
+#define PCI_DEVICE_ID_RP8J		0x0006	/* Rocketport 8 port w/RJ11 connectors   */
+#define PCI_DEVICE_ID_RP4J		0x0007	/* Rocketport 4 port w/RJ11 connectors   */
+#define PCI_DEVICE_ID_RP8SNI		0x0008	/* Rocketport 8 port w/ DB78 SNI (Siemens) connector */
+#define PCI_DEVICE_ID_RP16SNI		0x0009	/* Rocketport 16 port w/ DB78 SNI (Siemens) connector   */
+#define PCI_DEVICE_ID_RPP4		0x000A	/* Rocketport Plus 4 port                */
+#define PCI_DEVICE_ID_RPP8		0x000B	/* Rocketport Plus 8 port                */
+#define PCI_DEVICE_ID_RP6M		0x000C	/* RocketModem 6 port                    */
+#define PCI_DEVICE_ID_RP4M		0x000D	/* RocketModem 4 port                    */
+#define PCI_DEVICE_ID_RP2_232           0x000E	/* Rocketport Plus 2 port RS232          */
+#define PCI_DEVICE_ID_RP2_422           0x000F	/* Rocketport Plus 2 port RS422          */ 
+
+/* Universal PCI boards  */
+#define PCI_DEVICE_ID_URP32INTF		0x0801	/* Rocketport UPCI 32 port w/external I/F */ 
+#define PCI_DEVICE_ID_URP8INTF		0x0802	/* Rocketport UPCI 8 port w/external I/F  */
+#define PCI_DEVICE_ID_URP16INTF		0x0803	/* Rocketport UPCI 16 port w/external I/F */
+#define PCI_DEVICE_ID_URP8OCTA		0x0805	/* Rocketport UPCI 8 port w/octa cable    */
+#define PCI_DEVICE_ID_UPCI_RM3_8PORT    0x080C	/* Rocketmodem III 8 port                 */
+#define PCI_DEVICE_ID_UPCI_RM3_4PORT    0x080D	/* Rocketmodem III 4 port                 */
+
+/* Compact PCI device */ 
+#define PCI_DEVICE_ID_CRP16INTF		0x0903	/* Rocketport Compact PCI 16 port w/external I/F */
+
+#define TTY_GET_LINE(t) t->index
+#define TTY_DRIVER_MINOR_START(t) t->driver->minor_start
+#define TTY_DRIVER_SUBTYPE(t) t->driver->subtype
+#define TTY_DRIVER_NAME(t) t->driver->name
+#define TTY_DRIVER_NAME_BASE(t) t->driver->name_base
+#define TTY_DRIVER_FLUSH_BUFFER_EXISTS(t) t->driver->flush_buffer
+#define TTY_DRIVER_FLUSH_BUFFER(t) t->driver->flush_buffer(t)
+
+