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/*-
* Copyright (c) Comtrol Corporation <support@comtrol.com>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted prodived that the follwoing conditions
* are met.
* 1. Redistributions of source code must retain the above copyright
* notive, this list of conditions and the following disclainer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials prodided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by Comtrol Corporation.
* 4. The name of Comtrol Corporation may not be used to endorse or
* promote products derived from this software without specific
* prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY COMTROL CORPORATION ``AS IS'' AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL COMTROL CORPORATION BE LIABLE FOR
* ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, LIFE OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* $FreeBSD: release/9.1.0/sys/dev/rp/rpreg.h 191563 2009-04-27 15:58:38Z ambrisko $
*/
/*
* Begin OS-specific defines - rpreg.h - for RocketPort FreeBSD
*/
typedef uint8_t Byte_t;
typedef uint8_t ByteIO_t;
typedef uint16_t Word_t;
typedef uint16_t WordIO_t;
typedef uint32_t DWord_t;
typedef uint32_t DWordIO_t;
#define rp_readio(size, ctlp, rid, offset) \
(bus_read_##size(ctlp->io[rid], offset))
#define rp_readmultiio(size, ctlp, rid, offset, addr, count) \
(bus_read_multi_##size(ctlp->io[rid], offset, addr, count))
#define rp_writeio(size, ctlp, rid, offset, data) \
(bus_write_##size(ctlp->io[rid], offset, data))
#define rp_writemultiio(size, ctlp, rid, offset, addr, count) \
(bus_write_multi_##size(ctlp->io[rid], offset, addr, count))
#define rp_readio1(ctlp, rid, offset) rp_readio(1, ctlp, rid, offset)
#define rp_readio2(ctlp, rid, offset) rp_readio(2, ctlp, rid, offset)
#define rp_readio4(ctlp, rid, offset) rp_readio(4, ctlp, rid, offset)
#define rp_writeio1(ctlp, rid, offset, data) rp_writeio(1, ctlp, rid, offset, data)
#define rp_writeio2(ctlp, rid, offset, data) rp_writeio(2, ctlp, rid, offset, data)
#define rp_writeio4(ctlp, rid, offset, data) rp_writeio(4, ctlp, rid, offset, data)
#define rp_readmultiio1(ctlp, rid, offset, addr, count) rp_readmultiio(1, ctlp, rid, offset, addr, count)
#define rp_readmultiio2(ctlp, rid, offset, addr, count) rp_readmultiio(2, ctlp, rid, offset, addr, count)
#define rp_readmultiio4(ctlp, rid, offset, addr, count) rp_readmultiio(4, ctlp, rid, offset, addr, count)
#define rp_writemultiio1(ctlp, rid, offset, addr, count) rp_writemultiio(1, ctlp, rid, offset, addr, count)
#define rp_writemultiio2(ctlp, rid, offset, addr, count) rp_writemultiio(2, ctlp, rid, offset, addr, count)
#define rp_writemultiio4(ctlp, rid, offset, addr, count) rp_writemultiio(4, ctlp, rid, offset, addr, count)
#define rp_readaiop1(ctlp, aiop, offset) \
(rp_readio1((ctlp), (ctlp)->aiop2rid(aiop, offset), (ctlp)->aiop2off(aiop, offset)))
#define rp_readaiop2(ctlp, aiop, offset) \
(rp_readio2((ctlp), (ctlp)->aiop2rid(aiop, offset), (ctlp)->aiop2off(aiop, offset)))
#define rp_readaiop4(ctlp, aiop, offset) \
(rp_readio4((ctlp), (ctlp)->aiop2rid(aiop, offset), (ctlp)->aiop2off(aiop, offset)))
#define rp_readmultiaiop1(ctlp, aiop, offset, addr, count) \
(rp_readmultiio1((ctlp), (ctlp)->aiop2rid(aiop, offset), (ctlp)->aiop2off(aiop, offset), addr, count))
#define rp_readmultiaiop2(ctlp, aiop, offset, addr, count) \
(rp_readmultiio2((ctlp), (ctlp)->aiop2rid(aiop, offset), (ctlp)->aiop2off(aiop, offset), addr, count))
#define rp_readmultiaiop4(ctlp, aiop, offset, addr, count) \
(rp_readmultiio4((ctlp), (ctlp)->aiop2rid(aiop, offset), (ctlp)->aiop2off(aiop, offset), addr, count))
#define rp_writeaiop1(ctlp, aiop, offset, data) \
(rp_writeio1((ctlp), (ctlp)->aiop2rid(aiop, offset), (ctlp)->aiop2off(aiop, offset), data))
#define rp_writeaiop2(ctlp, aiop, offset, data) \
(rp_writeio2((ctlp), (ctlp)->aiop2rid(aiop, offset), (ctlp)->aiop2off(aiop, offset), data))
#define rp_writeaiop4(ctlp, aiop, offset, data) \
(rp_writeio4((ctlp), (ctlp)->aiop2rid(aiop, offset), (ctlp)->aiop2off(aiop, offset), data))
#define rp_writemultiaiop1(ctlp, aiop, offset, addr, count) \
(rp_writemultiio1((ctlp), (ctlp)->aiop2rid(aiop, offset), (ctlp)->aiop2off(aiop, offset), addr, count))
#define rp_writemultiaiop2(ctlp, aiop, offset, addr, count) \
(rp_writemultiio2((ctlp), (ctlp)->aiop2rid(aiop, offset), (ctlp)->aiop2off(aiop, offset), addr, count))
#define rp_writemultiaiop4(ctlp, aiop, offset, addr, count) \
(rp_writemultiio4((ctlp), (ctlp)->aiop2rid(aiop, offset), (ctlp)->aiop2off(aiop, offset), addr, count))
#define rp_readch1(chp, offset) \
(rp_readaiop1((chp)->CtlP, (chp)->AiopNum, offset))
#define rp_readch2(chp, offset) \
(rp_readaiop2((chp)->CtlP, (chp)->AiopNum, offset))
#define rp_readch4(chp, offset) \
(rp_readaiop4((chp)->CtlP, (chp)->AiopNum, offset))
#define rp_readmultich1(chp, offset, addr, count) \
(rp_readmultiaiop1((chp)->CtlP, (chp)->AiopNum, offset, addr, count))
#define rp_readmultich2(chp, offset, addr, count) \
(rp_readmultiaiop2((chp)->CtlP, (chp)->AiopNum, offset, addr, count))
#define rp_readmultich4(chp, offset, addr, count) \
(rp_readmultiaiop4((chp)->CtlP, (chp)->AiopNum, offset, addr, count))
#define rp_writech1(chp, offset, data) \
(rp_writeaiop1((chp)->CtlP, (chp)->AiopNum, offset, data))
#define rp_writech2(chp, offset, data) \
(rp_writeaiop2((chp)->CtlP, (chp)->AiopNum, offset, data))
#define rp_writech4(chp, offset, data) \
(rp_writeaiop4((chp)->CtlP, (chp)->AiopNum, offset, data))
#define rp_writemultich1(chp, offset, addr, count) \
(rp_writemultiaiop1((chp)->CtlP, (chp)->AiopNum, offset, addr, count))
#define rp_writemultich2(chp, offset, addr, count) \
(rp_writemultiaiop2((chp)->CtlP, (chp)->AiopNum, offset, addr, count))
#define rp_writemultich4(chp, offset, addr, count) \
(rp_writemultiaiop4((chp)->CtlP, (chp)->AiopNum, offset, addr, count))
/*
* End of OS-specific defines
*/
#define ROCKET_H
#define CTL_SIZE 4
#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
/* 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 */
/************************************************************************
Receive FIFO
************************************************************************/
#define RXFIFO_DATA 0x5f
#define RXFIFO_OUT 0x5c
#define RXFIFO_EN 0x08
#define RXFIFO_DIS 0xa7
/************************************************************************
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 CLOCK_PRESC 0x19 /* mod 9 (divide by 10) prescale */
#define BRD50 4607
#define BRD75 3071
#define BRD110 2094
#define BRD134 1712
#define BRD150 1535
#define BRD200 1151
#define BRD300 767
#define BRD600 383
#define BRD1200 191
#define BRD1800 127
#define BRD2000 114
#define BRD2400 95
#define BRD3600 64
#define BRD4800 47
#define BRD7200 31
#define BRD9600 23
#define BRD14400 15
#define BRD19200 11
#define BRD38400 5
#define BRD57600 3
#define BRD76800 2
#define BRD115200 1
#define BRD230400 0
#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) */
#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
#ifndef TRUE
#define TRUE 1
#endif
#ifndef FALSE
#define FALSE 0
#endif
struct CONTROLLER_str;
struct CHANNEL_str;
/* The types of bus-specific methods */
typedef int rp_aiop2rid_t(int, int);
typedef int rp_aiop2off_t(int, int);
typedef unsigned char rp_ctlmask_t(struct CONTROLLER_str *);
/* Controller level information structure */
struct CONTROLLER_str
{
int CtlID;
int NumAiop;
int AiopID[AIOP_CTL_SIZE];
int AiopNumChan[AIOP_CTL_SIZE];
struct mtx hwmtx; /* Spinlock protecting hardware. */
int hwmtx_init;
int free;
/* Device and resource management */
device_t dev; /* device */
int io_num; /* Number of IO resources */
int *io_rid; /* IO resource IDs */
struct resource **io; /* IO resources */
struct rp_port *rp; /* port */
/* Device nodes */
struct cdev **dev_nodes;
/* Bus-specific properties */
void *bus_ctlp;
/* Bus-specific methods */
rp_aiop2rid_t *aiop2rid; /* (aiop, offset) -> rid */
rp_aiop2off_t *aiop2off; /* (aiop, offset) -> off */
rp_ctlmask_t *ctlmask; /* Int status */
};
typedef struct CONTROLLER_str CONTROLLER_T;
typedef CONTROLLER_T CONTROLLER_t;
/* Channel level information structure */
struct CHANNEL_str
{
CONTROLLER_t *CtlP;
int AiopNum;
int ChanID;
int ChanNum;
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];
};
typedef struct CHANNEL_str CHANNEL_T;
typedef CHANNEL_T CHANNEL_t;
typedef CHANNEL_T * CHANPTR_T;
#define CHNOFF_TXRXDATA(chp) ((chp)->ChanNum * 2 + _TD0)
#define CHNOFF_CHANSTAT(chp) ((chp)->ChanNum * 2 + _CHN_STAT0)
#define CHNOFF_TXRXCOUNT(chp) ((chp)->ChanNum * 2 + _FIFO_CNT0)
#define CHNOFF_INTID(chp) ((chp)->ChanNum + _INT_ID0)
/***************************************************************************
Function: sClrBreak
Purpose: Stop sending a transmit BREAK signal
Call: sClrBreak(ChP)
CHANNEL_T *ChP; Ptr to channel structure
*/
#define sClrBreak(ChP) \
{ \
(ChP)->TxControl[3] &= ~SETBREAK; \
rp_writech4(ChP,_INDX_ADDR,le32dec((ChP)->TxControl)); \
}
/***************************************************************************
Function: sClrDTR
Purpose: Clr the DTR output
Call: sClrDTR(ChP)
CHANNEL_T *ChP; Ptr to channel structure
*/
#define sClrDTR(ChP) \
{ \
(ChP)->TxControl[3] &= ~SET_DTR; \
rp_writech4(ChP,_INDX_ADDR,le32dec((ChP)->TxControl)); \
}
/***************************************************************************
Function: sClrRTS
Purpose: Clr the RTS output
Call: sClrRTS(ChP)
CHANNEL_T *ChP; Ptr to channel structure
*/
#define sClrRTS(ChP) \
{ \
(ChP)->TxControl[3] &= ~SET_RTS; \
rp_writech4(ChP,_INDX_ADDR,le32dec((ChP)->TxControl)); \
}
/***************************************************************************
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) \
{ \
rp_writech1(ChP,_CMD_REG,TXOVERIDE | (Byte_t)(ChP)->ChanNum); \
rp_writech1(ChP,_CMD_REG,(Byte_t)(ChP)->ChanNum); \
}
/***************************************************************************
Function: sDisCTSFlowCtl
Purpose: Disable output flow control using CTS
Call: sDisCTSFlowCtl(ChP)
CHANNEL_T *ChP; Ptr to channel structure
*/
#define sDisCTSFlowCtl(ChP) \
{ \
(ChP)->TxControl[2] &= ~CTSFC_EN; \
rp_writech4(ChP,_INDX_ADDR,le32dec((ChP)->TxControl)); \
}
/***************************************************************************
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) \
{ \
(ChP)->TxControl[2] &= ~PARITY_EN; \
rp_writech4(ChP,_INDX_ADDR,le32dec((ChP)->TxControl)); \
}
/***************************************************************************
Function: sDisRxFIFO
Purpose: Disable Rx FIFO
Call: sDisRxFIFO(ChP)
CHANNEL_T *ChP; Ptr to channel structure
*/
#define sDisRxFIFO(ChP) \
{ \
(ChP)->R[0x32] = 0x0a; \
rp_writech4(ChP,_INDX_ADDR,le32dec((ChP)->R + 0x30)); \
}
/***************************************************************************
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) rp_writech2(ChP,CHNOFF_CHANSTAT(ChP),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) \
{ \
(ChP)->TxControl[3] &= ~TX_ENABLE; \
rp_writech4(ChP,_INDX_ADDR,le32dec((ChP)->TxControl)); \
}
/***************************************************************************
Function: sDisTxSoftFlowCtl
Purpose: Disable Tx Software Flow Control
Call: sDisTxSoftFlowCtl(ChP)
CHANNEL_T *ChP; Ptr to channel structure
*/
#define sDisTxSoftFlowCtl(ChP) \
{ \
(ChP)->R[0x06] = 0x8a; \
rp_writech4(ChP,_INDX_ADDR,le32dec((ChP)->R + 0x04)); \
}
/***************************************************************************
Function: sEnCTSFlowCtl
Purpose: Enable output flow control using CTS
Call: sEnCTSFlowCtl(ChP)
CHANNEL_T *ChP; Ptr to channel structure
*/
#define sEnCTSFlowCtl(ChP) \
{ \
(ChP)->TxControl[2] |= CTSFC_EN; \
rp_writech4(ChP,_INDX_ADDR,le32dec((ChP)->TxControl)); \
}
/***************************************************************************
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) \
{ \
(ChP)->TxControl[2] |= PARITY_EN; \
rp_writech4(ChP,_INDX_ADDR,le32dec((ChP)->TxControl)); \
}
/***************************************************************************
Function: sEnRTSFlowCtl
Return: void
*/
#define sEnRTSFlowCtl(ChP) \
{ \
(ChP)->TxControl[2] &= ~RTSTOG_EN; \
(ChP)->TxControl[3] &= ~SET_RTS; \
rp_writech4(ChP,_INDX_ADDR,le32dec((ChP)->TxControl)); \
(ChP)->RxControl[2] |= RTSFC_EN; \
rp_writech4(ChP,_INDX_ADDR,le32dec((ChP)->RxControl)); \
}
/***************************************************************************
Function: sDisRTSFlowCtl
Return: void
*/
#define sDisRTSFlowCtl(ChP) \
{ \
(ChP)->RxControl[2] &= ~RTSFC_EN; \
rp_writech4(ChP,_INDX_ADDR,le32dec((ChP)->RxControl)); \
}
/***************************************************************************
Function: sEnRxFIFO
Purpose: Enable Rx FIFO
Call: sEnRxFIFO(ChP)
CHANNEL_T *ChP; Ptr to channel structure
*/
#define sEnRxFIFO(ChP) \
{ \
(ChP)->R[0x32] = 0x08; \
rp_writech4(ChP,_INDX_ADDR,le32dec((ChP)->R + 0x30)); \
}
/***************************************************************************
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) \
{ \
(ChP)->RxControl[2] |= RXPROC_EN; \
rp_writech4(ChP,_INDX_ADDR,le32dec((ChP)->RxControl)); \
}
/***************************************************************************
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) rp_writech2(ChP,CHNOFF_CHANSTAT(ChP),STATMODE)
/***************************************************************************
Function: sEnTransmit
Purpose: Enable transmit
Call: sEnTransmit(ChP)
CHANNEL_T *ChP; Ptr to channel structure
*/
#define sEnTransmit(ChP) \
{ \
(ChP)->TxControl[3] |= TX_ENABLE; \
rp_writech4(ChP,_INDX_ADDR,le32dec((ChP)->TxControl)); \
}
/***************************************************************************
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) rp_readaiop1(CtlP,AIOPNUM,_INT_CHAN)
/***************************************************************************
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) (rp_readch1(ChP,(ChP)->ChanNum+_INT_ID0) & (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) rp_readch2(ChP,CHNOFF_CHANSTAT(ChP))
/***************************************************************************
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) rp_readch1(ChP,CHNOFF_CHANSTAT(ChP))
/***************************************************************************
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) rp_readch2(ChP,CHNOFF_TXRXCOUNT(ChP))
/***************************************************************************
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) rp_readch1(ChP,CHNOFF_TXRXCOUNT(ChP))
/*****************************************************************************
Function: sGetTxRxDataIO
Purpose: Get the offset of a channel's TxRx Data register
Call: sGetTxRxDataIO(ChP)
CHANNEL_T *ChP; Ptr to channel structure
Return: WordIO_t: offset of a channel's TxRx Data register
*/
#define sGetTxRxDataIO(ChP) CHNOFF_TXRXDATA(ChP)
/***************************************************************************
Function: sInitChanDefaults
Purpose: Initialize a channel structure to its 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) \
{ \
(ChP)->CtlP = NULLCTLPTR; \
(ChP)->AiopNum = NULLAIOP; \
(ChP)->ChanID = AIOPID_NULL; \
(ChP)->ChanNum = NULLCHAN; \
}
/***************************************************************************
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) \
{ \
rp_writeaiop1(CTLP,AIOPNUM,_CMD_REG,RESET_ALL); \
rp_writeaiop1(CTLP,AIOPNUM,_CMD_REG,0x0); \
}
/***************************************************************************
Function: sSendBreak
Purpose: Send a transmit BREAK signal
Call: sSendBreak(ChP)
CHANNEL_T *ChP; Ptr to channel structure
*/
#define sSendBreak(ChP) \
{ \
(ChP)->TxControl[3] |= SETBREAK; \
rp_writech4(ChP,_INDX_ADDR,le32dec((ChP)->TxControl)); \
}
/***************************************************************************
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) \
{ \
(ChP)->BaudDiv[2] = (Byte_t)(DIVISOR); \
(ChP)->BaudDiv[3] = (Byte_t)((DIVISOR) >> 8); \
rp_writech4(ChP,_INDX_ADDR,le32dec((ChP)->BaudDiv)); \
}
/***************************************************************************
Function: sSetData7
Purpose: Set data bits to 7
Call: sSetData7(ChP)
CHANNEL_T *ChP; Ptr to channel structure
*/
#define sSetData7(ChP) \
{ \
(ChP)->TxControl[2] &= ~DATA8BIT; \
rp_writech4(ChP,_INDX_ADDR,le32dec((ChP)->TxControl)); \
}
/***************************************************************************
Function: sSetData8
Purpose: Set data bits to 8
Call: sSetData8(ChP)
CHANNEL_T *ChP; Ptr to channel structure
*/
#define sSetData8(ChP) \
{ \
(ChP)->TxControl[2] |= DATA8BIT; \
rp_writech4(ChP,_INDX_ADDR,le32dec((ChP)->TxControl)); \
}
/***************************************************************************
Function: sSetDTR
Purpose: Set the DTR output
Call: sSetDTR(ChP)
CHANNEL_T *ChP; Ptr to channel structure
*/
#define sSetDTR(ChP) \
{ \
(ChP)->TxControl[3] |= SET_DTR; \
rp_writech4(ChP,_INDX_ADDR,le32dec((ChP)->TxControl)); \
}
/***************************************************************************
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) \
{ \
(ChP)->TxControl[2] |= EVEN_PAR; \
rp_writech4(ChP,_INDX_ADDR,le32dec((ChP)->TxControl)); \
}
/***************************************************************************
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) \
{ \
(ChP)->TxControl[2] &= ~EVEN_PAR; \
rp_writech4(ChP,_INDX_ADDR,le32dec((ChP)->TxControl)); \
}
/***************************************************************************
Function: sSetRTS
Purpose: Set the RTS output
Call: sSetRTS(ChP)
CHANNEL_T *ChP; Ptr to channel structure
*/
#define sSetRTS(ChP) \
{ \
(ChP)->TxControl[3] |= SET_RTS; \
rp_writech4(ChP,_INDX_ADDR,le32dec((ChP)->TxControl)); \
}
/***************************************************************************
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) \
{ \
(ChP)->RxControl[2] &= ~TRIG_MASK; \
(ChP)->RxControl[2] |= LEVEL; \
rp_writech4(ChP,_INDX_ADDR,le32dec((ChP)->RxControl)); \
}
/***************************************************************************
Function: sSetStop1
Purpose: Set stop bits to 1
Call: sSetStop1(ChP)
CHANNEL_T *ChP; Ptr to channel structure
*/
#define sSetStop1(ChP) \
{ \
(ChP)->TxControl[2] &= ~STOP2; \
rp_writech4(ChP,_INDX_ADDR,le32dec((ChP)->TxControl)); \
}
/***************************************************************************
Function: sSetStop2
Purpose: Set stop bits to 2
Call: sSetStop2(ChP)
CHANNEL_T *ChP; Ptr to channel structure
*/
#define sSetStop2(ChP) \
{ \
(ChP)->TxControl[2] |= STOP2; \
rp_writech4(ChP,_INDX_ADDR,le32dec((ChP)->TxControl)); \
}
/***************************************************************************
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) rp_writech4(ChP,_INDX_ADDR,le32dec((ChP)->R))
/***************************************************************************
Function: sWriteTxByte
Purpose: Write a transmit data byte to a channel.
CHANNEL_T *ChP; Ptr to channel structure
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(ChP,IO,DATA) rp_writech1(ChP,IO,DATA)
int sReadAiopID(CONTROLLER_T *CtlP, int aiop);
int sReadAiopNumChan(CONTROLLER_T *CtlP, int aiop);
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);
int rp_attachcommon(CONTROLLER_T *ctlp, int num_aiops, int num_ports);
void rp_releaseresource(CONTROLLER_t *ctlp);
void rp_untimeout(void);
static __inline void
rp_lock(CONTROLLER_T *CtlP)
{
if (CtlP->hwmtx_init != 0)
mtx_lock_spin(&CtlP->hwmtx);
}
static __inline void
rp_unlock(CONTROLLER_T *CtlP)
{
if (CtlP->hwmtx_init != 0)
mtx_unlock_spin(&CtlP->hwmtx);
}
#ifndef ROCKET_C
extern Byte_t R[RDATASIZE];
extern CONTROLLER_T sController[CTL_SIZE];
extern Byte_t sIRQMap[16];
#endif
extern Byte_t rp_sBitMapClrTbl[8];
extern Byte_t rp_sBitMapSetTbl[8];