rpreg.h revision 28868
1/*
2 * Copyright (c) Comtrol Corporation <support@comtrol.com>
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted prodived that the follwoing conditions
7 * are met.
8 * 1. Redistributions of source code must retain the above copyright
9 *    notive, this list of conditions and the following disclainer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 *    notice, this list of conditions and the following disclaimer in the
12 *    documentation and/or other materials prodided with the distribution.
13 * 3. All advertising materials mentioning features or use of this software
14 *    must display the following acknowledgement:
15 *       This product includes software developed by Comtrol Corporation.
16 * 4. The name of Comtrol Corporation may not be used to endorse or
17 *    promote products derived from this software without specific
18 *    prior written permission.
19 *
20 * THIS SOFTWARE IS PROVIDED BY COMTROL CORPORATION ``AS IS'' AND ANY
21 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
22 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
23 * ARE DISCLAIMED.  IN NO EVENT SHALL COMTROL CORPORATION BE LIABLE FOR
24 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
25 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
26 * OR SERVICES; LOSS OF USE, DATA, LIFE OR PROFITS; OR BUSINESS INTERRUPTION)
27 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
28 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
29 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
30 * SUCH DAMAGE.
31 */
32
33/*
34 * Begin OS-specific defines -  rpreg.h - for RocketPort FreeBSD
35 */
36
37typedef unsigned char Byte_t;
38typedef unsigned int ByteIO_t;
39
40typedef unsigned int Word_t;
41typedef unsigned int WordIO_t;
42
43typedef unsigned long DWord_t;
44typedef unsigned int DWordIO_t;
45
46#define sOutB(a, b) outb(a, b)
47#define sOutW(a, b) outw(a, b)
48#define sOutDW(a, b) outl(a, b)
49#define sInB(a) (inb(a))
50#define sInW(a) (inw(a))
51#define sOutStrW(port, addr, count) outsw(port, addr, count)
52#define sInStrW(port, addr, count) insw(port, addr, count)
53
54/*
55 * End of OS-specific defines
56 */
57
58#define ROCKET_H
59
60#define CTL_SIZE 4
61#define AIOP_CTL_SIZE 4
62#define CHAN_AIOP_SIZE 8
63#define MAX_PORTS_PER_AIOP 8
64#define MAX_AIOPS_PER_BOARD 4
65#define MAX_PORTS_PER_BOARD 32
66
67/* Bus Type ID */
68#define isISA	0
69#define isPCI	1
70#define isMC	2
71
72/* Controller ID numbers */
73#define CTLID_NULL  -1		    /* no controller exists */
74#define CTLID_0001  0x0001	    /* controller release 1 */
75
76/* PCI IDs  */
77#define RP_VENDOR_ID		0x11FE
78#define RP_DEVICE_ID_8OCTA	0x0001
79#define RP_DEVICE_ID_8INTF	0x0002
80#define RP_DEVICE_ID_16INTF	0x0003
81#define RP_DEVICE_ID_32INTF	0x0004
82
83/* AIOP ID numbers, identifies AIOP type implementing channel */
84#define AIOPID_NULL -1		    /* no AIOP or channel exists */
85#define AIOPID_0001 0x0001	    /* AIOP release 1 */
86
87#define NULLDEV -1		    /* identifies non-existant device */
88#define NULLCTL -1		    /* identifies non-existant controller */
89#define NULLCTLPTR (CONTROLLER_T *)0 /* identifies non-existant controller */
90#define NULLAIOP -1		    /* identifies non-existant AIOP */
91#define NULLCHAN -1		    /* identifies non-existant channel */
92
93/************************************************************************
94 Global Register Offsets - Direct Access - Fixed values
95************************************************************************/
96
97#define _CMD_REG   0x38   /* Command Register		 8    Write */
98#define _INT_CHAN  0x39   /* Interrupt Channel Register  8    Read */
99#define _INT_MASK  0x3A   /* Interrupt Mask Register	 8    Read / Write */
100#define _UNUSED    0x3B   /* Unused			 8 */
101#define _INDX_ADDR 0x3C   /* Index Register Address	 16   Write */
102#define _INDX_DATA 0x3E   /* Index Register Data	 8/16 Read / Write */
103
104/************************************************************************
105 Channel Register Offsets for 1st channel in AIOP - Direct Access
106************************************************************************/
107#define _TD0	   0x00  /* Transmit Data		16   Write */
108#define _RD0	   0x00  /* Receive Data		16   Read */
109#define _CHN_STAT0 0x20  /* Channel Status		8/16 Read / Write */
110#define _FIFO_CNT0 0x10  /* Transmit/Receive FIFO Count 16   Read */
111#define _INT_ID0   0x30  /* Interrupt Identification	8    Read */
112
113/************************************************************************
114 Tx Control Register Offsets - Indexed - External - Fixed
115************************************************************************/
116#define _TX_ENBLS  0x980    /* Tx Processor Enables Register 8 Read / Write */
117#define _TXCMP1    0x988    /* Transmit Compare Value #1     8 Read / Write */
118#define _TXCMP2    0x989    /* Transmit Compare Value #2     8 Read / Write */
119#define _TXREP1B1  0x98A    /* Tx Replace Value #1 - Byte 1  8 Read / Write */
120#define _TXREP1B2  0x98B    /* Tx Replace Value #1 - Byte 2  8 Read / Write */
121#define _TXREP2    0x98C    /* Transmit Replace Value #2     8 Read / Write */
122
123/************************************************************************
124 Receive FIFO
125************************************************************************/
126#define RXFIFO_DATA	0x5f
127#define RXFIFO_OUT	0x5c
128#define RXFIFO_EN	0x08
129#define RXFIFO_DIS	0xa7
130
131/************************************************************************
132Memory Controller Register Offsets - Indexed - External - Fixed
133************************************************************************/
134#define _RX_FIFO    0x000    /* Rx FIFO */
135#define _TX_FIFO    0x800    /* Tx FIFO */
136#define _RXF_OUTP   0x990    /* Rx FIFO OUT pointer	   16 Read / Write */
137#define _RXF_INP    0x992    /* Rx FIFO IN pointer	   16 Read / Write */
138#define _TXF_OUTP   0x994    /* Tx FIFO OUT pointer	   8  Read / Write */
139#define _TXF_INP    0x995    /* Tx FIFO IN pointer	   8  Read / Write */
140#define _TXP_CNT    0x996    /* Tx Priority Count	   8  Read / Write */
141#define _TXP_PNTR   0x997    /* Tx Priority Pointer	   8  Read / Write */
142
143#define PRI_PEND    0x80     /* Priority data pending (bit7, Tx pri cnt) */
144#define TXFIFO_SIZE 255      /* size of Tx FIFO */
145#define RXFIFO_SIZE 1023     /* size of Rx FIFO */
146
147/************************************************************************
148Tx Priority Buffer - Indexed - External - Fixed
149************************************************************************/
150#define _TXP_BUF    0x9C0    /* Tx Priority Buffer  32	Bytes	Read / Write */
151#define TXP_SIZE    0x20     /* 32 bytes */
152
153/************************************************************************
154Channel Register Offsets - Indexed - Internal - Fixed
155************************************************************************/
156
157#define _TX_CTRL    0xFF0    /* Transmit Control	       16  Write */
158#define _RX_CTRL    0xFF2    /* Receive Control 		8  Write */
159#define _BAUD	    0xFF4    /* Baud Rate		       16  Write */
160#define _CLK_PRE    0xFF6    /* Clock Prescaler 		8  Write */
161
162#define CLOCK_PRESC 0x19	  /* mod 9 (divide by 10) prescale */
163
164#define BRD50		  4607
165#define BRD75		  3071
166#define BRD110		  2094
167#define BRD134		  1712
168#define BRD150		  1535
169#define BRD200		  1151
170#define BRD300		  767
171#define BRD600		  383
172#define BRD1200 	  191
173#define BRD1800 	  127
174#define BRD2000 	  114
175#define BRD2400 	  95
176#define BRD3600 	  64
177#define BRD4800 	  47
178#define BRD7200 	  31
179#define BRD9600 	  23
180#define BRD14400	  15
181#define BRD19200	  11
182#define BRD38400	  5
183#define BRD57600	  3
184#define BRD76800	  2
185#define BRD115200	  1
186#define BRD230400	  0
187
188#define STMBREAK   0x08        /* BREAK */
189#define STMFRAME   0x04        /* framing error */
190#define STMRCVROVR 0x02        /* receiver over run error */
191#define STMPARITY  0x01        /* parity error */
192#define STMERROR   (STMBREAK | STMFRAME | STMPARITY)
193#define STMBREAKH   0x800      /* BREAK */
194#define STMFRAMEH   0x400      /* framing error */
195#define STMRCVROVRH 0x200      /* receiver over run error */
196#define STMPARITYH  0x100      /* parity error */
197#define STMERRORH   (STMBREAKH | STMFRAMEH | STMPARITYH)
198
199#define CTS_ACT   0x20	      /* CTS input asserted */
200#define DSR_ACT   0x10	      /* DSR input asserted */
201#define CD_ACT	  0x08	      /* CD input asserted */
202#define TXFIFOMT  0x04	      /* Tx FIFO is empty */
203#define TXSHRMT   0x02	      /* Tx shift register is empty */
204#define RDA	  0x01	      /* Rx data available */
205#define DRAINED (TXFIFOMT | TXSHRMT)  /* indicates Tx is drained */
206
207#define STATMODE  0x8000      /* status mode enable bit */
208#define RXFOVERFL 0x2000      /* receive FIFO overflow */
209#define RX2MATCH  0x1000      /* receive compare byte 2 match */
210#define RX1MATCH  0x0800      /* receive compare byte 1 match */
211#define RXBREAK   0x0400      /* received BREAK */
212#define RXFRAME   0x0200      /* received framing error */
213#define RXPARITY  0x0100      /* received parity error */
214#define STATERROR (RXBREAK | RXFRAME | RXPARITY)
215
216#define CTSFC_EN  0x80	      /* CTS flow control enable bit */
217#define RTSTOG_EN 0x40	      /* RTS toggle enable bit */
218#define TXINT_EN  0x10	      /* transmit interrupt enable */
219#define STOP2	  0x08	      /* enable 2 stop bits (0 = 1 stop) */
220#define PARITY_EN 0x04	      /* enable parity (0 = no parity) */
221#define EVEN_PAR  0x02	      /* even parity (0 = odd parity) */
222#define DATA8BIT  0x01	      /* 8 bit data (0 = 7 bit data) */
223
224#define SETBREAK  0x10	      /* send break condition (must clear) */
225#define LOCALLOOP 0x08	      /* local loopback set for test */
226#define SET_DTR   0x04	      /* assert DTR */
227#define SET_RTS   0x02	      /* assert RTS */
228#define TX_ENABLE 0x01	      /* enable transmitter */
229
230#define RTSFC_EN  0x40	      /* RTS flow control enable */
231#define RXPROC_EN 0x20	      /* receive processor enable */
232#define TRIG_NO   0x00	      /* Rx FIFO trigger level 0 (no trigger) */
233#define TRIG_1	  0x08	      /* trigger level 1 char */
234#define TRIG_1_2  0x10	      /* trigger level 1/2 */
235#define TRIG_7_8  0x18	      /* trigger level 7/8 */
236#define TRIG_MASK 0x18	      /* trigger level mask */
237#define SRCINT_EN 0x04	      /* special Rx condition interrupt enable */
238#define RXINT_EN  0x02	      /* Rx interrupt enable */
239#define MCINT_EN  0x01	      /* modem change interrupt enable */
240
241#define RXF_TRIG  0x20	      /* Rx FIFO trigger level interrupt */
242#define TXFIFO_MT 0x10	      /* Tx FIFO empty interrupt */
243#define SRC_INT   0x08	      /* special receive condition interrupt */
244#define DELTA_CD  0x04	      /* CD change interrupt */
245#define DELTA_CTS 0x02	      /* CTS change interrupt */
246#define DELTA_DSR 0x01	      /* DSR change interrupt */
247
248#define REP1W2_EN 0x10	      /* replace byte 1 with 2 bytes enable */
249#define IGN2_EN   0x08	      /* ignore byte 2 enable */
250#define IGN1_EN   0x04	      /* ignore byte 1 enable */
251#define COMP2_EN  0x02	      /* compare byte 2 enable */
252#define COMP1_EN  0x01	      /* compare byte 1 enable */
253
254#define RESET_ALL 0x80	      /* reset AIOP (all channels) */
255#define TXOVERIDE 0x40	      /* Transmit software off override */
256#define RESETUART 0x20	      /* reset channel's UART */
257#define RESTXFCNT 0x10	      /* reset channel's Tx FIFO count register */
258#define RESRXFCNT 0x08	      /* reset channel's Rx FIFO count register */
259
260#define INTSTAT0  0x01	      /* AIOP 0 interrupt status */
261#define INTSTAT1  0x02	      /* AIOP 1 interrupt status */
262#define INTSTAT2  0x04	      /* AIOP 2 interrupt status */
263#define INTSTAT3  0x08	      /* AIOP 3 interrupt status */
264
265#define INTR_EN   0x08	      /* allow interrupts to host */
266#define INT_STROB 0x04	      /* strobe and clear interrupt line (EOI) */
267
268/**************************************************************************
269  MUDBAC remapped for PCI
270**************************************************************************/
271
272#define _CFG_INT_PCI	0x40
273#define _PCI_INT_FUNC	0x3A
274
275#define PCI_STROB	0x2000
276#define INTR_EN_PCI	0x0010
277
278#define CHAN3_EN  0x08	      /* enable AIOP 3 */
279#define CHAN2_EN  0x04	      /* enable AIOP 2 */
280#define CHAN1_EN  0x02	      /* enable AIOP 1 */
281#define CHAN0_EN  0x01	      /* enable AIOP 0 */
282#define FREQ_DIS  0x00
283#define FREQ_274HZ 0x60
284#define FREQ_137HZ 0x50
285#define FREQ_69HZ  0x40
286#define FREQ_34HZ  0x30
287#define FREQ_17HZ  0x20
288#define FREQ_9HZ   0x10
289#define PERIODIC_ONLY 0x80    /* only PERIODIC interrupt */
290
291#define CHANINT_EN 0x0100	    /* flags to enable/disable channel ints */
292
293#define RDATASIZE 72
294#define RREGDATASIZE 52
295
296/* Controller level information structure */
297typedef struct
298{
299	int		CtlID;
300	int		CtlNum;
301	int		BusType;
302	WordIO_t	PCIIO;
303	ByteIO_t	MBaseIO;
304	ByteIO_t	MReg1IO;
305	ByteIO_t	MReg2IO;
306	ByteIO_t	MReg3IO;
307	Byte_t		MReg2;
308	Byte_t		MReg3;
309	int		NumAiop;
310	WordIO_t	AiopIO[AIOP_CTL_SIZE];
311	ByteIO_t	AiopIntChanIO[AIOP_CTL_SIZE];
312	int		AiopID[AIOP_CTL_SIZE];
313	int		AiopNumChan[AIOP_CTL_SIZE];
314} CONTROLLER_T;
315
316typedef CONTROLLER_T CONTROLLER_t;
317
318/* Channel level information structure */
319typedef struct
320{
321	CONTROLLER_T	*CtlP;
322	int		AiopNum;
323	int		ChanID;
324	int		ChanNum;
325
326	ByteIO_t	Cmd;
327	ByteIO_t	IntChan;
328	ByteIO_t	IntMask;
329	DWordIO_t	IndexAddr;
330	WordIO_t	IndexData;
331
332	WordIO_t	TxRxData;
333	WordIO_t	ChanStat;
334	WordIO_t	TxRxCount;
335	ByteIO_t	IntID;
336
337	Word_t		TxFIFO;
338	Word_t		TxFIFOPtrs;
339	Word_t		RxFIFO;
340	Word_t		RxFIFOPtrs;
341	Word_t		TxPrioCnt;
342	Word_t		TxPrioPtr;
343	Word_t		TxPrioBuf;
344
345	Byte_t		R[RREGDATASIZE];
346
347	Byte_t		BaudDiv[4];
348	Byte_t		TxControl[4];
349	Byte_t		RxControl[4];
350	Byte_t		TxEnables[4];
351	Byte_t		TxCompare[4];
352	Byte_t		TxReplace1[4];
353	Byte_t		TxReplace2[4];
354} CHANNEL_T;
355
356typedef CHANNEL_T CHANNEL_t;
357typedef CHANNEL_T * CHANPTR_T;
358
359/***************************************************************************
360Function: sClrBreak
361Purpose:  Stop sending a transmit BREAK signal
362Call:	  sClrBreak(ChP)
363	  CHANNEL_T *ChP; Ptr to channel structure
364*/
365#define sClrBreak(ChP) \
366{ \
367   (ChP)->TxControl[3] &= ~SETBREAK; \
368   sOutDW((ChP)->IndexAddr,*(DWord_t *)&(ChP)->TxControl[0]); \
369}
370
371/***************************************************************************
372Function: sClrDTR
373Purpose:  Clr the DTR output
374Call:	  sClrDTR(ChP)
375	  CHANNEL_T *ChP; Ptr to channel structure
376*/
377#define sClrDTR(ChP) \
378{ \
379   (ChP)->TxControl[3] &= ~SET_DTR; \
380   sOutDW((ChP)->IndexAddr,*(DWord_t *)&(ChP)->TxControl[0]); \
381}
382
383/***************************************************************************
384Function: sClrRTS
385Purpose:  Clr the RTS output
386Call:	  sClrRTS(ChP)
387	  CHANNEL_T *ChP; Ptr to channel structure
388*/
389#define sClrRTS(ChP) \
390{ \
391   (ChP)->TxControl[3] &= ~SET_RTS; \
392   sOutDW((ChP)->IndexAddr,*(DWord_t *)&(ChP)->TxControl[0]); \
393}
394
395/***************************************************************************
396Function: sClrTxXOFF
397Purpose:  Clear any existing transmit software flow control off condition
398Call:	  sClrTxXOFF(ChP)
399	  CHANNEL_T *ChP; Ptr to channel structure
400*/
401#define sClrTxXOFF(ChP) \
402{ \
403   sOutB((ChP)->Cmd,TXOVERIDE | (Byte_t)(ChP)->ChanNum); \
404   sOutB((ChP)->Cmd,(Byte_t)(ChP)->ChanNum); \
405}
406
407/***************************************************************************
408Function: sCtlNumToCtlPtr
409Purpose:  Convert a controller number to controller structure pointer
410Call:	  sCtlNumToCtlPtr(CtlNum)
411	  int CtlNum; Controller number
412Return:   CONTROLLER_T *: Ptr to controller structure
413*/
414#define sCtlNumToCtlPtr(CTLNUM) &sController[CTLNUM]
415
416/***************************************************************************
417Function: sControllerEOI
418Purpose:  Strobe the MUDBAC's End Of Interrupt bit.
419Call:	  sControllerEOI(CtlP)
420	  CONTROLLER_T *CtlP; Ptr to controller structure
421*/
422#define sControllerEOI(CTLP) sOutB((CTLP)->MReg2IO,(CTLP)->MReg2 | INT_STROB)
423
424
425/***************************************************************************
426Function: sPCIControllerEOI
427Purpose:  Strobe the MUDBAC's End Of Interrupt bit.
428Call:	  sPCIControllerEOI(CtlP)
429	  CONTROLLER_T *CtlP; Ptr to controller structure
430*/
431#define sPCIControllerEOI(CTLP) sOutW((CTLP)->PCIIO, PCI_STROB)
432
433/***************************************************************************
434Function: sDisAiop
435Purpose:  Disable I/O access to an AIOP
436Call:	  sDisAiop(CltP)
437	  CONTROLLER_T *CtlP; Ptr to controller structure
438	  int AiopNum; Number of AIOP on controller
439*/
440#define sDisAiop(CTLP,AIOPNUM) \
441{ \
442   (CTLP)->MReg3 &= sBitMapClrTbl[AIOPNUM]; \
443   sOutB((CTLP)->MReg3IO,(CTLP)->MReg3); \
444}
445
446/***************************************************************************
447Function: sDisCTSFlowCtl
448Purpose:  Disable output flow control using CTS
449Call:	  sDisCTSFlowCtl(ChP)
450	  CHANNEL_T *ChP; Ptr to channel structure
451*/
452#define sDisCTSFlowCtl(ChP) \
453{ \
454   (ChP)->TxControl[2] &= ~CTSFC_EN; \
455   sOutDW((ChP)->IndexAddr,*(DWord_t *)&(ChP)->TxControl[0]); \
456}
457
458/***************************************************************************
459Function: DisParity
460Purpose:  Disable parity
461Call:	  sDisParity(ChP)
462	  CHANNEL_T *ChP; Ptr to channel structure
463Comments: Function sSetParity() can be used in place of functions sEnParity(),
464	  sDisParity(), sSetOddParity(), and sSetEvenParity().
465*/
466#define sDisParity(ChP) \
467{ \
468   (ChP)->TxControl[2] &= ~PARITY_EN; \
469   sOutDW((ChP)->IndexAddr,*(DWord_t *)&(ChP)->TxControl[0]); \
470}
471
472/***************************************************************************
473Function: sDisRxFIFO
474Purpose:  Disable Rx FIFO
475Call:	  sDisRxFIFO(ChP)
476	  CHANNEL_T *ChP; Ptr to channel structure
477*/
478#define sDisRxFIFO(ChP) \
479{ \
480   (ChP)->R[0x32] = 0x0a; \
481   sOutDW((ChP)->IndexAddr,*(DWord_t *)&(ChP)->R[0x30]); \
482}
483
484/***************************************************************************
485Function: sDisRxStatusMode
486Purpose:  Disable the Rx status mode
487Call:	  sDisRxStatusMode(ChP)
488	  CHANNEL_T *ChP; Ptr to channel structure
489Comments: This takes the channel out of the receive status mode.  All
490	  subsequent reads of receive data using sReadRxWord() will return
491	  two data bytes.
492*/
493#define sDisRxStatusMode(ChP) sOutW((ChP)->ChanStat,0)
494
495/***************************************************************************
496Function: sDisTransmit
497Purpose:  Disable transmit
498Call:	  sDisTransmit(ChP)
499	  CHANNEL_T *ChP; Ptr to channel structure
500	  This disables movement of Tx data from the Tx FIFO into the 1 byte
501	  Tx buffer.  Therefore there could be up to a 2 byte latency
502	  between the time sDisTransmit() is called and the transmit buffer
503	  and transmit shift register going completely empty.
504*/
505#define sDisTransmit(ChP) \
506{ \
507   (ChP)->TxControl[3] &= ~TX_ENABLE; \
508   sOutDW((ChP)->IndexAddr,*(DWord_t *)&(ChP)->TxControl[0]); \
509}
510
511/***************************************************************************
512Function: sDisTxSoftFlowCtl
513Purpose:  Disable Tx Software Flow Control
514Call:	  sDisTxSoftFlowCtl(ChP)
515	  CHANNEL_T *ChP; Ptr to channel structure
516*/
517#define sDisTxSoftFlowCtl(ChP) \
518{ \
519   (ChP)->R[0x06] = 0x8a; \
520   sOutDW((ChP)->IndexAddr,*(DWord_t *)&(ChP)->R[0x04]); \
521}
522
523/***************************************************************************
524Function: sEnAiop
525Purpose:  Enable I/O access to an AIOP
526Call:	  sEnAiop(CltP)
527	  CONTROLLER_T *CtlP; Ptr to controller structure
528	  int AiopNum; Number of AIOP on controller
529*/
530#define sEnAiop(CTLP,AIOPNUM) \
531{ \
532   (CTLP)->MReg3 |= sBitMapSetTbl[AIOPNUM]; \
533   sOutB((CTLP)->MReg3IO,(CTLP)->MReg3); \
534}
535
536/***************************************************************************
537Function: sEnCTSFlowCtl
538Purpose:  Enable output flow control using CTS
539Call:	  sEnCTSFlowCtl(ChP)
540	  CHANNEL_T *ChP; Ptr to channel structure
541*/
542#define sEnCTSFlowCtl(ChP) \
543{ \
544   (ChP)->TxControl[2] |= CTSFC_EN; \
545   sOutDW((ChP)->IndexAddr,*(DWord_t *)&(ChP)->TxControl[0]); \
546}
547
548/***************************************************************************
549Function: EnParity
550Purpose:  Enable parity
551Call:	  sEnParity(ChP)
552	  CHANNEL_T *ChP; Ptr to channel structure
553Comments: Function sSetParity() can be used in place of functions sEnParity(),
554	  sDisParity(), sSetOddParity(), and sSetEvenParity().
555
556Warnings: Before enabling parity odd or even parity should be chosen using
557	  functions sSetOddParity() or sSetEvenParity().
558*/
559#define sEnParity(ChP) \
560{ \
561   (ChP)->TxControl[2] |= PARITY_EN; \
562   sOutDW((ChP)->IndexAddr,*(DWord_t *)&(ChP)->TxControl[0]); \
563}
564
565/***************************************************************************
566Function: sEnRTSFlowCtl
567Return: void
568*/
569#define sEnRTSFlowCtl(ChP) \
570{ \
571	(ChP)->TxControl[2] &= ~RTSTOG_EN; \
572	(ChP)->TxControl[3] &= ~SET_RTS; \
573   sOutDW((ChP)->IndexAddr,*(DWord_t *)&(ChP)->TxControl[0]); \
574	(ChP)->RxControl[2] |= RTSFC_EN; \
575   sOutDW((ChP)->IndexAddr,*(DWord_t *)&(ChP)->RxControl[0]); \
576}
577
578/***************************************************************************
579Function: sDisRTSFlowCtl
580Return: void
581*/
582#define sDisRTSFlowCtl(ChP) \
583{ \
584	(ChP)->RxControl[2] &= ~RTSFC_EN; \
585   sOutDW((ChP)->IndexAddr,*(DWord_t *)&(ChP)->RxControl[0]); \
586}
587
588/***************************************************************************
589Function: sEnRxFIFO
590Purpose:  Enable Rx FIFO
591Call:	  sEnRxFIFO(ChP)
592	  CHANNEL_T *ChP; Ptr to channel structure
593*/
594#define sEnRxFIFO(ChP) \
595{ \
596   (ChP)->R[0x32] = 0x08; \
597   sOutDW((ChP)->IndexAddr,*(DWord_t *)&(ChP)->R[0x30]); \
598}
599
600/***************************************************************************
601Function: sEnRxProcessor
602Purpose:  Enable the receive processor
603Call:	  sEnRxProcessor(ChP)
604	  CHANNEL_T *ChP; Ptr to channel structure
605Comments: This function is used to start the receive processor.  When
606	  the channel is in the reset state the receive processor is not
607	  running.  This is done to prevent the receive processor from
608	  executing invalid microcode instructions prior to the
609	  downloading of the microcode.
610
611Warnings: This function must be called after valid microcode has been
612	  downloaded to the AIOP, and it must not be called before the
613	  microcode has been downloaded.
614*/
615#define sEnRxProcessor(ChP) \
616{ \
617   (ChP)->RxControl[2] |= RXPROC_EN; \
618   sOutDW((ChP)->IndexAddr,*(DWord_t *)&(ChP)->RxControl[0]); \
619}
620
621/***************************************************************************
622Function: sEnRxStatusMode
623Purpose:  Enable the Rx status mode
624Call:	  sEnRxStatusMode(ChP)
625	  CHANNEL_T *ChP; Ptr to channel structure
626Comments: This places the channel in the receive status mode.  All subsequent
627	  reads of receive data using sReadRxWord() will return a data byte
628	  in the low word and a status byte in the high word.
629
630*/
631#define sEnRxStatusMode(ChP) sOutW((ChP)->ChanStat,STATMODE)
632
633/***************************************************************************
634Function: sEnTransmit
635Purpose:  Enable transmit
636Call:	  sEnTransmit(ChP)
637	  CHANNEL_T *ChP; Ptr to channel structure
638*/
639#define sEnTransmit(ChP) \
640{ \
641   (ChP)->TxControl[3] |= TX_ENABLE; \
642   sOutDW((ChP)->IndexAddr,*(DWord_t *)&(ChP)->TxControl[0]); \
643}
644
645/***************************************************************************
646Function: sGetAiopIntStatus
647Purpose:  Get the AIOP interrupt status
648Call:	  sGetAiopIntStatus(CtlP,AiopNum)
649	  CONTROLLER_T *CtlP; Ptr to controller structure
650	  int AiopNum; AIOP number
651Return:   Byte_t: The AIOP interrupt status.  Bits 0 through 7
652			 represent channels 0 through 7 respectively.  If a
653			 bit is set that channel is interrupting.
654*/
655#define sGetAiopIntStatus(CTLP,AIOPNUM) sInB((CTLP)->AiopIntChanIO[AIOPNUM])
656
657/***************************************************************************
658Function: sGetAiopNumChan
659Purpose:  Get the number of channels supported by an AIOP
660Call:	  sGetAiopNumChan(CtlP,AiopNum)
661	  CONTROLLER_T *CtlP; Ptr to controller structure
662	  int AiopNum; AIOP number
663Return:   int: The number of channels supported by the AIOP
664*/
665#define sGetAiopNumChan(CTLP,AIOPNUM) (CTLP)->AiopNumChan[AIOPNUM]
666
667/***************************************************************************
668Function: sGetChanIntID
669Purpose:  Get a channel's interrupt identification byte
670Call:	  sGetChanIntID(ChP)
671	  CHANNEL_T *ChP; Ptr to channel structure
672Return:   Byte_t: The channel interrupt ID.  Can be any
673	     combination of the following flags:
674		RXF_TRIG:     Rx FIFO trigger level interrupt
675		TXFIFO_MT:    Tx FIFO empty interrupt
676		SRC_INT:      Special receive condition interrupt
677		DELTA_CD:     CD change interrupt
678		DELTA_CTS:    CTS change interrupt
679		DELTA_DSR:    DSR change interrupt
680*/
681#define sGetChanIntID(ChP) (sInB((ChP)->IntID) & (RXF_TRIG | TXFIFO_MT | SRC_INT | DELTA_CD | DELTA_CTS | DELTA_DSR))
682
683/***************************************************************************
684Function: sGetChanNum
685Purpose:  Get the number of a channel within an AIOP
686Call:	  sGetChanNum(ChP)
687	  CHANNEL_T *ChP; Ptr to channel structure
688Return:   int: Channel number within AIOP, or NULLCHAN if channel does
689	       not exist.
690*/
691#define sGetChanNum(ChP) (ChP)->ChanNum
692
693/***************************************************************************
694Function: sGetChanStatus
695Purpose:  Get the channel status
696Call:	  sGetChanStatus(ChP)
697	  CHANNEL_T *ChP; Ptr to channel structure
698Return:   Word_t: The channel status.  Can be any combination of
699	     the following flags:
700		LOW BYTE FLAGS
701		CTS_ACT:      CTS input asserted
702		DSR_ACT:      DSR input asserted
703		CD_ACT:       CD input asserted
704		TXFIFOMT:     Tx FIFO is empty
705		TXSHRMT:      Tx shift register is empty
706		RDA:	      Rx data available
707
708		HIGH BYTE FLAGS
709		STATMODE:     status mode enable bit
710		RXFOVERFL:    receive FIFO overflow
711		RX2MATCH:     receive compare byte 2 match
712		RX1MATCH:     receive compare byte 1 match
713		RXBREAK:      received BREAK
714		RXFRAME:      received framing error
715		RXPARITY:     received parity error
716Warnings: This function will clear the high byte flags in the Channel
717	  Status Register.
718*/
719#define sGetChanStatus(ChP) sInW((ChP)->ChanStat)
720
721/***************************************************************************
722Function: sGetChanStatusLo
723Purpose:  Get the low byte only of the channel status
724Call:	  sGetChanStatusLo(ChP)
725	  CHANNEL_T *ChP; Ptr to channel structure
726Return:   Byte_t: The channel status low byte.	Can be any combination
727	     of the following flags:
728		CTS_ACT:      CTS input asserted
729		DSR_ACT:      DSR input asserted
730		CD_ACT:       CD input asserted
731		TXFIFOMT:     Tx FIFO is empty
732		TXSHRMT:      Tx shift register is empty
733		RDA:	      Rx data available
734*/
735#define sGetChanStatusLo(ChP) sInB((ByteIO_t)(ChP)->ChanStat)
736
737/***************************************************************************
738Function: sGetControllerIntStatus
739Purpose:  Get the controller interrupt status
740Call:	  sGetControllerIntStatus(CtlP)
741	  CONTROLLER_T *CtlP; Ptr to controller structure
742Return:   Byte_t: The controller interrupt status in the lower 4
743			 bits.	Bits 0 through 3 represent AIOP's 0
744			 through 3 respectively.  If a bit is set that
745			 AIOP is interrupting.	Bits 4 through 7 will
746			 always be cleared.
747*/
748#define sGetControllerIntStatus(CTLP) (sInB((CTLP)->MReg1IO) & 0x0f)
749
750/***************************************************************************
751Function: sPCIGetControllerIntStatus
752Purpose:  Get the controller interrupt status
753Call:	  sPCIGetControllerIntStatus(CtlP)
754	  CONTROLLER_T *CtlP; Ptr to controller structure
755Return:   Byte_t: The controller interrupt status in the lower 4
756			 bits.	Bits 0 through 3 represent AIOP's 0
757			 through 3 respectively.  If a bit is set that
758			 AIOP is interrupting.	Bits 4 through 7 will
759			 always be cleared.
760*/
761#define sPCIGetControllerIntStatus(CTLP) ((sInW((CTLP)->PCIIO) >> 8) & 0x1f)
762
763/***************************************************************************
764Function: sGetRxCnt
765Purpose:  Get the number of data bytes in the Rx FIFO
766Call:	  sGetRxCnt(ChP)
767	  CHANNEL_T *ChP; Ptr to channel structure
768Return:   int: The number of data bytes in the Rx FIFO.
769Comments: Byte read of count register is required to obtain Rx count.
770
771*/
772#define sGetRxCnt(ChP) sInW((ChP)->TxRxCount)
773
774/***************************************************************************
775Function: sGetTxCnt
776Purpose:  Get the number of data bytes in the Tx FIFO
777Call:	  sGetTxCnt(ChP)
778	  CHANNEL_T *ChP; Ptr to channel structure
779Return:   Byte_t: The number of data bytes in the Tx FIFO.
780Comments: Byte read of count register is required to obtain Tx count.
781
782*/
783#define sGetTxCnt(ChP) sInB((ByteIO_t)(ChP)->TxRxCount)
784
785/*****************************************************************************
786Function: sGetTxRxDataIO
787Purpose:  Get the I/O address of a channel's TxRx Data register
788Call:	  sGetTxRxDataIO(ChP)
789	  CHANNEL_T *ChP; Ptr to channel structure
790Return:   WordIO_t: I/O address of a channel's TxRx Data register
791*/
792#define sGetTxRxDataIO(ChP) (ChP)->TxRxData
793
794/***************************************************************************
795Function: sInitChanDefaults
796Purpose:  Initialize a channel structure to it's default state.
797Call:	  sInitChanDefaults(ChP)
798	  CHANNEL_T *ChP; Ptr to the channel structure
799Comments: This function must be called once for every channel structure
800	  that exists before any other SSCI calls can be made.
801
802*/
803#define sInitChanDefaults(ChP) \
804{ \
805   (ChP)->CtlP = NULLCTLPTR; \
806   (ChP)->AiopNum = NULLAIOP; \
807   (ChP)->ChanID = AIOPID_NULL; \
808   (ChP)->ChanNum = NULLCHAN; \
809}
810
811/***************************************************************************
812Function: sResetAiopByNum
813Purpose:  Reset the AIOP by number
814Call:	  sResetAiopByNum(CTLP,AIOPNUM)
815	CONTROLLER_T CTLP; Ptr to controller structure
816	AIOPNUM; AIOP index
817*/
818#define sResetAiopByNum(CTLP,AIOPNUM) \
819{ \
820   sOutB((CTLP)->AiopIO[(AIOPNUM)]+_CMD_REG,RESET_ALL); \
821   sOutB((CTLP)->AiopIO[(AIOPNUM)]+_CMD_REG,0x0); \
822}
823
824/***************************************************************************
825Function: sSendBreak
826Purpose:  Send a transmit BREAK signal
827Call:	  sSendBreak(ChP)
828	  CHANNEL_T *ChP; Ptr to channel structure
829*/
830#define sSendBreak(ChP) \
831{ \
832   (ChP)->TxControl[3] |= SETBREAK; \
833   sOutDW((ChP)->IndexAddr,*(DWord_t *)&(ChP)->TxControl[0]); \
834}
835
836/***************************************************************************
837Function: sSetBaud
838Purpose:  Set baud rate
839Call:	  sSetBaud(ChP,Divisor)
840	  CHANNEL_T *ChP; Ptr to channel structure
841	  Word_t Divisor; 16 bit baud rate divisor for channel
842*/
843#define sSetBaud(ChP,DIVISOR) \
844{ \
845   (ChP)->BaudDiv[2] = (Byte_t)(DIVISOR); \
846   (ChP)->BaudDiv[3] = (Byte_t)((DIVISOR) >> 8); \
847   sOutDW((ChP)->IndexAddr,*(DWord_t *)&(ChP)->BaudDiv[0]); \
848}
849
850/***************************************************************************
851Function: sSetData7
852Purpose:  Set data bits to 7
853Call:	  sSetData7(ChP)
854	  CHANNEL_T *ChP; Ptr to channel structure
855*/
856#define sSetData7(ChP) \
857{ \
858   (ChP)->TxControl[2] &= ~DATA8BIT; \
859   sOutDW((ChP)->IndexAddr,*(DWord_t *)&(ChP)->TxControl[0]); \
860}
861
862/***************************************************************************
863Function: sSetData8
864Purpose:  Set data bits to 8
865Call:	  sSetData8(ChP)
866	  CHANNEL_T *ChP; Ptr to channel structure
867*/
868#define sSetData8(ChP) \
869{ \
870   (ChP)->TxControl[2] |= DATA8BIT; \
871   sOutDW((ChP)->IndexAddr,*(DWord_t *)&(ChP)->TxControl[0]); \
872}
873
874/***************************************************************************
875Function: sSetDTR
876Purpose:  Set the DTR output
877Call:	  sSetDTR(ChP)
878	  CHANNEL_T *ChP; Ptr to channel structure
879*/
880#define sSetDTR(ChP) \
881{ \
882   (ChP)->TxControl[3] |= SET_DTR; \
883   sOutDW((ChP)->IndexAddr,*(DWord_t *)&(ChP)->TxControl[0]); \
884}
885
886/***************************************************************************
887Function: sSetEvenParity
888Purpose:  Set even parity
889Call:	  sSetEvenParity(ChP)
890	  CHANNEL_T *ChP; Ptr to channel structure
891Comments: Function sSetParity() can be used in place of functions sEnParity(),
892	  sDisParity(), sSetOddParity(), and sSetEvenParity().
893
894Warnings: This function has no effect unless parity is enabled with function
895	  sEnParity().
896*/
897#define sSetEvenParity(ChP) \
898{ \
899   (ChP)->TxControl[2] |= EVEN_PAR; \
900   sOutDW((ChP)->IndexAddr,*(DWord_t *)&(ChP)->TxControl[0]); \
901}
902
903/***************************************************************************
904Function: sSetOddParity
905Purpose:  Set odd parity
906Call:	  sSetOddParity(ChP)
907	  CHANNEL_T *ChP; Ptr to channel structure
908Comments: Function sSetParity() can be used in place of functions sEnParity(),
909	  sDisParity(), sSetOddParity(), and sSetEvenParity().
910
911Warnings: This function has no effect unless parity is enabled with function
912	  sEnParity().
913*/
914#define sSetOddParity(ChP) \
915{ \
916   (ChP)->TxControl[2] &= ~EVEN_PAR; \
917   sOutDW((ChP)->IndexAddr,*(DWord_t *)&(ChP)->TxControl[0]); \
918}
919
920/***************************************************************************
921Function: sSetRTS
922Purpose:  Set the RTS output
923Call:	  sSetRTS(ChP)
924	  CHANNEL_T *ChP; Ptr to channel structure
925*/
926#define sSetRTS(ChP) \
927{ \
928   (ChP)->TxControl[3] |= SET_RTS; \
929   sOutDW((ChP)->IndexAddr,*(DWord_t *)&(ChP)->TxControl[0]); \
930}
931
932/***************************************************************************
933Function: sSetRxTrigger
934Purpose:  Set the Rx FIFO trigger level
935Call:	  sSetRxProcessor(ChP,Level)
936	  CHANNEL_T *ChP; Ptr to channel structure
937	  Byte_t Level; Number of characters in Rx FIFO at which the
938	     interrupt will be generated.  Can be any of the following flags:
939
940	     TRIG_NO:	no trigger
941	     TRIG_1:	1 character in FIFO
942	     TRIG_1_2:	FIFO 1/2 full
943	     TRIG_7_8:	FIFO 7/8 full
944Comments: An interrupt will be generated when the trigger level is reached
945	  only if function sEnInterrupt() has been called with flag
946	  RXINT_EN set.  The RXF_TRIG flag in the Interrupt Idenfification
947	  register will be set whenever the trigger level is reached
948	  regardless of the setting of RXINT_EN.
949
950*/
951#define sSetRxTrigger(ChP,LEVEL) \
952{ \
953   (ChP)->RxControl[2] &= ~TRIG_MASK; \
954   (ChP)->RxControl[2] |= LEVEL; \
955   sOutDW((ChP)->IndexAddr,*(DWord_t *)&(ChP)->RxControl[0]); \
956}
957
958/***************************************************************************
959Function: sSetStop1
960Purpose:  Set stop bits to 1
961Call:	  sSetStop1(ChP)
962	  CHANNEL_T *ChP; Ptr to channel structure
963*/
964#define sSetStop1(ChP) \
965{ \
966   (ChP)->TxControl[2] &= ~STOP2; \
967   sOutDW((ChP)->IndexAddr,*(DWord_t *)&(ChP)->TxControl[0]); \
968}
969
970/***************************************************************************
971Function: sSetStop2
972Purpose:  Set stop bits to 2
973Call:	  sSetStop2(ChP)
974	  CHANNEL_T *ChP; Ptr to channel structure
975*/
976#define sSetStop2(ChP) \
977{ \
978   (ChP)->TxControl[2] |= STOP2; \
979   sOutDW((ChP)->IndexAddr,*(DWord_t *)&(ChP)->TxControl[0]); \
980}
981
982/***************************************************************************
983Function: sStartRxProcessor
984Purpose:  Start a channel's receive processor
985Call:	  sStartRxProcessor(ChP)
986	  CHANNEL_T *ChP; Ptr to channel structure
987Comments: This function is used to start a Rx processor after it was
988	  stopped with sStopRxProcessor() or sStopSWInFlowCtl().  It
989	  will restart both the Rx processor and software input flow control.
990
991*/
992#define sStartRxProcessor(ChP) sOutDW((ChP)->IndexAddr,*(DWord_t *)&(ChP)->R[0])
993
994/***************************************************************************
995Function: sWriteTxByte
996Purpose:  Write a transmit data byte to a channel.
997	  ByteIO_t io: Channel transmit register I/O address.  This can
998			   be obtained with sGetTxRxDataIO().
999	  Byte_t Data; The transmit data byte.
1000Warnings: This function writes the data byte without checking to see if
1001	  sMaxTxSize is exceeded in the Tx FIFO.
1002*/
1003#define sWriteTxByte(IO,DATA) sOutB(IO,DATA)
1004
1005int sInitController(	CONTROLLER_T *CtlP,
1006			int CtlNum,
1007			ByteIO_t MudbacIO,
1008			ByteIO_t *AiopIOList,
1009			int AiopIOListSize,
1010			int IRQNum,
1011			Byte_t Frequency,
1012			int PeriodicOnly);
1013
1014int sPCIInitController( CONTROLLER_T *CtlP,
1015			int CtlNum,
1016			ByteIO_t *AiopIOList,
1017			int AiopIOListSize,
1018			int IRQNum,
1019			Byte_t Frequency,
1020			int PeriodicOnly);
1021
1022int sReadAiopID(ByteIO_t io);
1023int sReadAiopNumChan(WordIO_t io);
1024int sInitChan(	CONTROLLER_T *CtlP,
1025		CHANNEL_T *ChP,
1026		int AiopNum,
1027		int ChanNum);
1028Byte_t sGetRxErrStatus(CHANNEL_T *ChP);
1029void sStopRxProcessor(CHANNEL_T *ChP);
1030void sStopSWInFlowCtl(CHANNEL_T *ChP);
1031void sFlushRxFIFO(CHANNEL_T *ChP);
1032void sFlushTxFIFO(CHANNEL_T *ChP);
1033int sWriteTxPrioByte(CHANNEL_T *ChP, Byte_t Data);
1034void sEnInterrupts(CHANNEL_T *ChP,Word_t Flags);
1035void sDisInterrupts(CHANNEL_T *ChP,Word_t Flags);
1036
1037#ifndef ROCKET_C
1038extern Byte_t R[RDATASIZE];
1039extern CONTROLLER_T sController[CTL_SIZE];
1040extern Byte_t sIRQMap[16];
1041extern Byte_t sBitMapClrTbl[8];
1042extern Byte_t sBitMapSetTbl[8];
1043#endif
1044