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 * $FreeBSD$
33 */
34
35/*
36 * Begin OS-specific defines -  rpreg.h - for RocketPort FreeBSD
37 */
38
39typedef uint8_t Byte_t;
40typedef uint8_t ByteIO_t;
41
42typedef uint16_t Word_t;
43typedef uint16_t WordIO_t;
44
45typedef uint32_t DWord_t;
46typedef uint32_t DWordIO_t;
47
48#define rp_readio(size, ctlp, rid, offset) \
49	(bus_read_##size(ctlp->io[rid], offset))
50#define rp_readmultiio(size, ctlp, rid, offset, addr, count) \
51	(bus_read_multi_##size(ctlp->io[rid], offset, addr, count))
52#define rp_writeio(size, ctlp, rid, offset, data) \
53	(bus_write_##size(ctlp->io[rid], offset, data))
54#define rp_writemultiio(size, ctlp, rid, offset, addr, count) \
55	(bus_write_multi_##size(ctlp->io[rid], offset, addr, count))
56
57#define rp_readio1(ctlp, rid, offset)				rp_readio(1, ctlp, rid, offset)
58#define rp_readio2(ctlp, rid, offset)				rp_readio(2, ctlp, rid, offset)
59#define rp_readio4(ctlp, rid, offset)				rp_readio(4, ctlp, rid, offset)
60#define rp_writeio1(ctlp, rid, offset, data)			rp_writeio(1, ctlp, rid, offset, data)
61#define rp_writeio2(ctlp, rid, offset, data)			rp_writeio(2, ctlp, rid, offset, data)
62#define rp_writeio4(ctlp, rid, offset, data)			rp_writeio(4, ctlp, rid, offset, data)
63#define rp_readmultiio1(ctlp, rid, offset, addr, count)		rp_readmultiio(1, ctlp, rid, offset, addr, count)
64#define rp_readmultiio2(ctlp, rid, offset, addr, count)		rp_readmultiio(2, ctlp, rid, offset, addr, count)
65#define rp_readmultiio4(ctlp, rid, offset, addr, count)		rp_readmultiio(4, ctlp, rid, offset, addr, count)
66#define rp_writemultiio1(ctlp, rid, offset, addr, count)	rp_writemultiio(1, ctlp, rid, offset, addr, count)
67#define rp_writemultiio2(ctlp, rid, offset, addr, count)	rp_writemultiio(2, ctlp, rid, offset, addr, count)
68#define rp_writemultiio4(ctlp, rid, offset, addr, count)	rp_writemultiio(4, ctlp, rid, offset, addr, count)
69
70#define rp_readaiop1(ctlp, aiop, offset) \
71	(rp_readio1((ctlp), (ctlp)->aiop2rid(aiop, offset), (ctlp)->aiop2off(aiop, offset)))
72#define rp_readaiop2(ctlp, aiop, offset) \
73	(rp_readio2((ctlp), (ctlp)->aiop2rid(aiop, offset), (ctlp)->aiop2off(aiop, offset)))
74#define rp_readaiop4(ctlp, aiop, offset) \
75	(rp_readio4((ctlp), (ctlp)->aiop2rid(aiop, offset), (ctlp)->aiop2off(aiop, offset)))
76#define rp_readmultiaiop1(ctlp, aiop, offset, addr, count) \
77	(rp_readmultiio1((ctlp), (ctlp)->aiop2rid(aiop, offset), (ctlp)->aiop2off(aiop, offset), addr, count))
78#define rp_readmultiaiop2(ctlp, aiop, offset, addr, count) \
79	(rp_readmultiio2((ctlp), (ctlp)->aiop2rid(aiop, offset), (ctlp)->aiop2off(aiop, offset), addr, count))
80#define rp_readmultiaiop4(ctlp, aiop, offset, addr, count) \
81	(rp_readmultiio4((ctlp), (ctlp)->aiop2rid(aiop, offset), (ctlp)->aiop2off(aiop, offset), addr, count))
82#define rp_writeaiop1(ctlp, aiop, offset, data) \
83	(rp_writeio1((ctlp), (ctlp)->aiop2rid(aiop, offset), (ctlp)->aiop2off(aiop, offset), data))
84#define rp_writeaiop2(ctlp, aiop, offset, data) \
85	(rp_writeio2((ctlp), (ctlp)->aiop2rid(aiop, offset), (ctlp)->aiop2off(aiop, offset), data))
86#define rp_writeaiop4(ctlp, aiop, offset, data) \
87	(rp_writeio4((ctlp), (ctlp)->aiop2rid(aiop, offset), (ctlp)->aiop2off(aiop, offset), data))
88#define rp_writemultiaiop1(ctlp, aiop, offset, addr, count) \
89	(rp_writemultiio1((ctlp), (ctlp)->aiop2rid(aiop, offset), (ctlp)->aiop2off(aiop, offset), addr, count))
90#define rp_writemultiaiop2(ctlp, aiop, offset, addr, count) \
91	(rp_writemultiio2((ctlp), (ctlp)->aiop2rid(aiop, offset), (ctlp)->aiop2off(aiop, offset), addr, count))
92#define rp_writemultiaiop4(ctlp, aiop, offset, addr, count) \
93	(rp_writemultiio4((ctlp), (ctlp)->aiop2rid(aiop, offset), (ctlp)->aiop2off(aiop, offset), addr, count))
94
95#define rp_readch1(chp, offset) \
96	(rp_readaiop1((chp)->CtlP, (chp)->AiopNum, offset))
97#define rp_readch2(chp, offset) \
98	(rp_readaiop2((chp)->CtlP, (chp)->AiopNum, offset))
99#define rp_readch4(chp, offset) \
100	(rp_readaiop4((chp)->CtlP, (chp)->AiopNum, offset))
101#define rp_readmultich1(chp, offset, addr, count) \
102	(rp_readmultiaiop1((chp)->CtlP, (chp)->AiopNum, offset, addr, count))
103#define rp_readmultich2(chp, offset, addr, count) \
104	(rp_readmultiaiop2((chp)->CtlP, (chp)->AiopNum, offset, addr, count))
105#define rp_readmultich4(chp, offset, addr, count) \
106	(rp_readmultiaiop4((chp)->CtlP, (chp)->AiopNum, offset, addr, count))
107#define rp_writech1(chp, offset, data) \
108	(rp_writeaiop1((chp)->CtlP, (chp)->AiopNum, offset, data))
109#define rp_writech2(chp, offset, data) \
110	(rp_writeaiop2((chp)->CtlP, (chp)->AiopNum, offset, data))
111#define rp_writech4(chp, offset, data) \
112	(rp_writeaiop4((chp)->CtlP, (chp)->AiopNum, offset, data))
113#define rp_writemultich1(chp, offset, addr, count) \
114	(rp_writemultiaiop1((chp)->CtlP, (chp)->AiopNum, offset, addr, count))
115#define rp_writemultich2(chp, offset, addr, count) \
116	(rp_writemultiaiop2((chp)->CtlP, (chp)->AiopNum, offset, addr, count))
117#define rp_writemultich4(chp, offset, addr, count) \
118	(rp_writemultiaiop4((chp)->CtlP, (chp)->AiopNum, offset, addr, count))
119
120/*
121 * End of OS-specific defines
122 */
123
124#define ROCKET_H
125
126#define CTL_SIZE 4
127#define AIOP_CTL_SIZE 4
128#define CHAN_AIOP_SIZE 8
129#define MAX_PORTS_PER_AIOP 8
130#define MAX_AIOPS_PER_BOARD 4
131#define MAX_PORTS_PER_BOARD 32
132
133/* Controller ID numbers */
134#define CTLID_NULL  -1		    /* no controller exists */
135#define CTLID_0001  0x0001	    /* controller release 1 */
136
137/* AIOP ID numbers, identifies AIOP type implementing channel */
138#define AIOPID_NULL -1		    /* no AIOP or channel exists */
139#define AIOPID_0001 0x0001	    /* AIOP release 1 */
140
141#define NULLDEV -1		    /* identifies non-existant device */
142#define NULLCTL -1		    /* identifies non-existant controller */
143#define NULLCTLPTR (CONTROLLER_T *)0 /* identifies non-existant controller */
144#define NULLAIOP -1		    /* identifies non-existant AIOP */
145#define NULLCHAN -1		    /* identifies non-existant channel */
146
147/************************************************************************
148 Global Register Offsets - Direct Access - Fixed values
149************************************************************************/
150
151#define _CMD_REG   0x38   /* Command Register		 8    Write */
152#define _INT_CHAN  0x39   /* Interrupt Channel Register  8    Read */
153#define _INT_MASK  0x3A   /* Interrupt Mask Register	 8    Read / Write */
154#define _UNUSED    0x3B   /* Unused			 8 */
155#define _INDX_ADDR 0x3C   /* Index Register Address	 16   Write */
156#define _INDX_DATA 0x3E   /* Index Register Data	 8/16 Read / Write */
157
158/************************************************************************
159 Channel Register Offsets for 1st channel in AIOP - Direct Access
160************************************************************************/
161#define _TD0	   0x00  /* Transmit Data		16   Write */
162#define _RD0	   0x00  /* Receive Data		16   Read */
163#define _CHN_STAT0 0x20  /* Channel Status		8/16 Read / Write */
164#define _FIFO_CNT0 0x10  /* Transmit/Receive FIFO Count 16   Read */
165#define _INT_ID0   0x30  /* Interrupt Identification	8    Read */
166
167/************************************************************************
168 Tx Control Register Offsets - Indexed - External - Fixed
169************************************************************************/
170#define _TX_ENBLS  0x980    /* Tx Processor Enables Register 8 Read / Write */
171#define _TXCMP1    0x988    /* Transmit Compare Value #1     8 Read / Write */
172#define _TXCMP2    0x989    /* Transmit Compare Value #2     8 Read / Write */
173#define _TXREP1B1  0x98A    /* Tx Replace Value #1 - Byte 1  8 Read / Write */
174#define _TXREP1B2  0x98B    /* Tx Replace Value #1 - Byte 2  8 Read / Write */
175#define _TXREP2    0x98C    /* Transmit Replace Value #2     8 Read / Write */
176
177/************************************************************************
178 Receive FIFO
179************************************************************************/
180#define RXFIFO_DATA	0x5f
181#define RXFIFO_OUT	0x5c
182#define RXFIFO_EN	0x08
183#define RXFIFO_DIS	0xa7
184
185/************************************************************************
186Memory Controller Register Offsets - Indexed - External - Fixed
187************************************************************************/
188#define _RX_FIFO    0x000    /* Rx FIFO */
189#define _TX_FIFO    0x800    /* Tx FIFO */
190#define _RXF_OUTP   0x990    /* Rx FIFO OUT pointer	   16 Read / Write */
191#define _RXF_INP    0x992    /* Rx FIFO IN pointer	   16 Read / Write */
192#define _TXF_OUTP   0x994    /* Tx FIFO OUT pointer	   8  Read / Write */
193#define _TXF_INP    0x995    /* Tx FIFO IN pointer	   8  Read / Write */
194#define _TXP_CNT    0x996    /* Tx Priority Count	   8  Read / Write */
195#define _TXP_PNTR   0x997    /* Tx Priority Pointer	   8  Read / Write */
196
197#define PRI_PEND    0x80     /* Priority data pending (bit7, Tx pri cnt) */
198#define TXFIFO_SIZE 255      /* size of Tx FIFO */
199#define RXFIFO_SIZE 1023     /* size of Rx FIFO */
200
201/************************************************************************
202Tx Priority Buffer - Indexed - External - Fixed
203************************************************************************/
204#define _TXP_BUF    0x9C0    /* Tx Priority Buffer  32	Bytes	Read / Write */
205#define TXP_SIZE    0x20     /* 32 bytes */
206
207/************************************************************************
208Channel Register Offsets - Indexed - Internal - Fixed
209************************************************************************/
210
211#define _TX_CTRL    0xFF0    /* Transmit Control	       16  Write */
212#define _RX_CTRL    0xFF2    /* Receive Control 		8  Write */
213#define _BAUD	    0xFF4    /* Baud Rate		       16  Write */
214#define _CLK_PRE    0xFF6    /* Clock Prescaler 		8  Write */
215
216#define CLOCK_PRESC 0x19	  /* mod 9 (divide by 10) prescale */
217
218#define BRD50		  4607
219#define BRD75		  3071
220#define BRD110		  2094
221#define BRD134		  1712
222#define BRD150		  1535
223#define BRD200		  1151
224#define BRD300		  767
225#define BRD600		  383
226#define BRD1200 	  191
227#define BRD1800 	  127
228#define BRD2000 	  114
229#define BRD2400 	  95
230#define BRD3600 	  64
231#define BRD4800 	  47
232#define BRD7200 	  31
233#define BRD9600 	  23
234#define BRD14400	  15
235#define BRD19200	  11
236#define BRD38400	  5
237#define BRD57600	  3
238#define BRD76800	  2
239#define BRD115200	  1
240#define BRD230400	  0
241
242#define STMBREAK   0x08        /* BREAK */
243#define STMFRAME   0x04        /* framing error */
244#define STMRCVROVR 0x02        /* receiver over run error */
245#define STMPARITY  0x01        /* parity error */
246#define STMERROR   (STMBREAK | STMFRAME | STMPARITY)
247#define STMBREAKH   0x800      /* BREAK */
248#define STMFRAMEH   0x400      /* framing error */
249#define STMRCVROVRH 0x200      /* receiver over run error */
250#define STMPARITYH  0x100      /* parity error */
251#define STMERRORH   (STMBREAKH | STMFRAMEH | STMPARITYH)
252
253#define CTS_ACT   0x20	      /* CTS input asserted */
254#define DSR_ACT   0x10	      /* DSR input asserted */
255#define CD_ACT	  0x08	      /* CD input asserted */
256#define TXFIFOMT  0x04	      /* Tx FIFO is empty */
257#define TXSHRMT   0x02	      /* Tx shift register is empty */
258#define RDA	  0x01	      /* Rx data available */
259#define DRAINED (TXFIFOMT | TXSHRMT)  /* indicates Tx is drained */
260
261#define STATMODE  0x8000      /* status mode enable bit */
262#define RXFOVERFL 0x2000      /* receive FIFO overflow */
263#define RX2MATCH  0x1000      /* receive compare byte 2 match */
264#define RX1MATCH  0x0800      /* receive compare byte 1 match */
265#define RXBREAK   0x0400      /* received BREAK */
266#define RXFRAME   0x0200      /* received framing error */
267#define RXPARITY  0x0100      /* received parity error */
268#define STATERROR (RXBREAK | RXFRAME | RXPARITY)
269
270#define CTSFC_EN  0x80	      /* CTS flow control enable bit */
271#define RTSTOG_EN 0x40	      /* RTS toggle enable bit */
272#define TXINT_EN  0x10	      /* transmit interrupt enable */
273#define STOP2	  0x08	      /* enable 2 stop bits (0 = 1 stop) */
274#define PARITY_EN 0x04	      /* enable parity (0 = no parity) */
275#define EVEN_PAR  0x02	      /* even parity (0 = odd parity) */
276#define DATA8BIT  0x01	      /* 8 bit data (0 = 7 bit data) */
277
278#define SETBREAK  0x10	      /* send break condition (must clear) */
279#define LOCALLOOP 0x08	      /* local loopback set for test */
280#define SET_DTR   0x04	      /* assert DTR */
281#define SET_RTS   0x02	      /* assert RTS */
282#define TX_ENABLE 0x01	      /* enable transmitter */
283
284#define RTSFC_EN  0x40	      /* RTS flow control enable */
285#define RXPROC_EN 0x20	      /* receive processor enable */
286#define TRIG_NO   0x00	      /* Rx FIFO trigger level 0 (no trigger) */
287#define TRIG_1	  0x08	      /* trigger level 1 char */
288#define TRIG_1_2  0x10	      /* trigger level 1/2 */
289#define TRIG_7_8  0x18	      /* trigger level 7/8 */
290#define TRIG_MASK 0x18	      /* trigger level mask */
291#define SRCINT_EN 0x04	      /* special Rx condition interrupt enable */
292#define RXINT_EN  0x02	      /* Rx interrupt enable */
293#define MCINT_EN  0x01	      /* modem change interrupt enable */
294
295#define RXF_TRIG  0x20	      /* Rx FIFO trigger level interrupt */
296#define TXFIFO_MT 0x10	      /* Tx FIFO empty interrupt */
297#define SRC_INT   0x08	      /* special receive condition interrupt */
298#define DELTA_CD  0x04	      /* CD change interrupt */
299#define DELTA_CTS 0x02	      /* CTS change interrupt */
300#define DELTA_DSR 0x01	      /* DSR change interrupt */
301
302#define REP1W2_EN 0x10	      /* replace byte 1 with 2 bytes enable */
303#define IGN2_EN   0x08	      /* ignore byte 2 enable */
304#define IGN1_EN   0x04	      /* ignore byte 1 enable */
305#define COMP2_EN  0x02	      /* compare byte 2 enable */
306#define COMP1_EN  0x01	      /* compare byte 1 enable */
307
308#define RESET_ALL 0x80	      /* reset AIOP (all channels) */
309#define TXOVERIDE 0x40	      /* Transmit software off override */
310#define RESETUART 0x20	      /* reset channel's UART */
311#define RESTXFCNT 0x10	      /* reset channel's Tx FIFO count register */
312#define RESRXFCNT 0x08	      /* reset channel's Rx FIFO count register */
313
314#define INTSTAT0  0x01	      /* AIOP 0 interrupt status */
315#define INTSTAT1  0x02	      /* AIOP 1 interrupt status */
316#define INTSTAT2  0x04	      /* AIOP 2 interrupt status */
317#define INTSTAT3  0x08	      /* AIOP 3 interrupt status */
318
319#define INTR_EN   0x08	      /* allow interrupts to host */
320#define INT_STROB 0x04	      /* strobe and clear interrupt line (EOI) */
321
322#define CHAN3_EN  0x08	      /* enable AIOP 3 */
323#define CHAN2_EN  0x04	      /* enable AIOP 2 */
324#define CHAN1_EN  0x02	      /* enable AIOP 1 */
325#define CHAN0_EN  0x01	      /* enable AIOP 0 */
326#define FREQ_DIS  0x00
327#define FREQ_274HZ 0x60
328#define FREQ_137HZ 0x50
329#define FREQ_69HZ  0x40
330#define FREQ_34HZ  0x30
331#define FREQ_17HZ  0x20
332#define FREQ_9HZ   0x10
333#define PERIODIC_ONLY 0x80    /* only PERIODIC interrupt */
334
335#define CHANINT_EN 0x0100	    /* flags to enable/disable channel ints */
336
337#define RDATASIZE 72
338#define RREGDATASIZE 52
339
340#ifndef TRUE
341#define TRUE 1
342#endif
343
344#ifndef FALSE
345#define FALSE 0
346#endif
347
348struct CONTROLLER_str;
349struct CHANNEL_str;
350
351/* The types of bus-specific methods */
352typedef int rp_aiop2rid_t(int, int);
353typedef int rp_aiop2off_t(int, int);
354typedef unsigned char rp_ctlmask_t(struct CONTROLLER_str *);
355
356/* Controller level information structure */
357struct CONTROLLER_str
358{
359	int		CtlID;
360	int		NumAiop;
361	int		AiopID[AIOP_CTL_SIZE];
362	int		AiopNumChan[AIOP_CTL_SIZE];
363
364        struct mtx	hwmtx;     /* Spinlock protecting hardware. */
365	int		hwmtx_init;
366	int		free;
367	int		num_ports;
368
369	/* Device and resource management */
370	device_t		dev;		/* device */
371	int			io_num;		/* Number of IO resources */
372	int			*io_rid;	/* IO resource IDs */
373	struct resource		**io;		/* IO resources */
374
375	struct rp_port		*rp;		/* port */
376
377	/* Device nodes */
378	struct cdev **dev_nodes;
379
380	/* Bus-specific properties */
381	void			*bus_ctlp;
382
383	/* Bus-specific methods */
384	rp_aiop2rid_t		*aiop2rid;	/* (aiop, offset) -> rid */
385	rp_aiop2off_t		*aiop2off;	/* (aiop, offset) -> off */
386	rp_ctlmask_t		*ctlmask;	/* Int status */
387};
388typedef struct CONTROLLER_str CONTROLLER_T;
389typedef CONTROLLER_T CONTROLLER_t;
390
391/* Channel level information structure */
392struct CHANNEL_str
393{
394	CONTROLLER_t	*CtlP;
395	int		AiopNum;
396	int		ChanID;
397	int		ChanNum;
398
399	Word_t		TxFIFO;
400	Word_t		TxFIFOPtrs;
401	Word_t		RxFIFO;
402	Word_t		RxFIFOPtrs;
403	Word_t		TxPrioCnt;
404	Word_t		TxPrioPtr;
405	Word_t		TxPrioBuf;
406
407	Byte_t		R[RREGDATASIZE];
408
409	Byte_t		BaudDiv[4];
410	Byte_t		TxControl[4];
411	Byte_t		RxControl[4];
412	Byte_t		TxEnables[4];
413	Byte_t		TxCompare[4];
414	Byte_t		TxReplace1[4];
415	Byte_t		TxReplace2[4];
416};
417
418typedef struct CHANNEL_str CHANNEL_T;
419typedef CHANNEL_T CHANNEL_t;
420typedef CHANNEL_T * CHANPTR_T;
421
422#define CHNOFF_TXRXDATA(chp)	((chp)->ChanNum * 2 + _TD0)
423#define CHNOFF_CHANSTAT(chp)	((chp)->ChanNum * 2 + _CHN_STAT0)
424#define CHNOFF_TXRXCOUNT(chp)	((chp)->ChanNum * 2 + _FIFO_CNT0)
425#define CHNOFF_INTID(chp)	((chp)->ChanNum     + _INT_ID0)
426
427/***************************************************************************
428Function: sClrBreak
429Purpose:  Stop sending a transmit BREAK signal
430Call:	  sClrBreak(ChP)
431	  CHANNEL_T *ChP; Ptr to channel structure
432*/
433#define sClrBreak(ChP) \
434{ \
435   (ChP)->TxControl[3] &= ~SETBREAK; \
436   rp_writech4(ChP,_INDX_ADDR,le32dec((ChP)->TxControl)); \
437}
438
439/***************************************************************************
440Function: sClrDTR
441Purpose:  Clr the DTR output
442Call:	  sClrDTR(ChP)
443	  CHANNEL_T *ChP; Ptr to channel structure
444*/
445#define sClrDTR(ChP) \
446{ \
447   (ChP)->TxControl[3] &= ~SET_DTR; \
448   rp_writech4(ChP,_INDX_ADDR,le32dec((ChP)->TxControl)); \
449}
450
451/***************************************************************************
452Function: sClrRTS
453Purpose:  Clr the RTS output
454Call:	  sClrRTS(ChP)
455	  CHANNEL_T *ChP; Ptr to channel structure
456*/
457#define sClrRTS(ChP) \
458{ \
459   (ChP)->TxControl[3] &= ~SET_RTS; \
460   rp_writech4(ChP,_INDX_ADDR,le32dec((ChP)->TxControl)); \
461}
462
463/***************************************************************************
464Function: sClrTxXOFF
465Purpose:  Clear any existing transmit software flow control off condition
466Call:	  sClrTxXOFF(ChP)
467	  CHANNEL_T *ChP; Ptr to channel structure
468*/
469#define sClrTxXOFF(ChP) \
470{ \
471   rp_writech1(ChP,_CMD_REG,TXOVERIDE | (Byte_t)(ChP)->ChanNum); \
472   rp_writech1(ChP,_CMD_REG,(Byte_t)(ChP)->ChanNum); \
473}
474
475/***************************************************************************
476Function: sDisCTSFlowCtl
477Purpose:  Disable output flow control using CTS
478Call:	  sDisCTSFlowCtl(ChP)
479	  CHANNEL_T *ChP; Ptr to channel structure
480*/
481#define sDisCTSFlowCtl(ChP) \
482{ \
483   (ChP)->TxControl[2] &= ~CTSFC_EN; \
484   rp_writech4(ChP,_INDX_ADDR,le32dec((ChP)->TxControl)); \
485}
486
487/***************************************************************************
488Function: DisParity
489Purpose:  Disable parity
490Call:	  sDisParity(ChP)
491	  CHANNEL_T *ChP; Ptr to channel structure
492Comments: Function sSetParity() can be used in place of functions sEnParity(),
493	  sDisParity(), sSetOddParity(), and sSetEvenParity().
494*/
495#define sDisParity(ChP) \
496{ \
497   (ChP)->TxControl[2] &= ~PARITY_EN; \
498   rp_writech4(ChP,_INDX_ADDR,le32dec((ChP)->TxControl)); \
499}
500
501/***************************************************************************
502Function: sDisRxFIFO
503Purpose:  Disable Rx FIFO
504Call:	  sDisRxFIFO(ChP)
505	  CHANNEL_T *ChP; Ptr to channel structure
506*/
507#define sDisRxFIFO(ChP) \
508{ \
509   (ChP)->R[0x32] = 0x0a; \
510   rp_writech4(ChP,_INDX_ADDR,le32dec((ChP)->R + 0x30)); \
511}
512
513/***************************************************************************
514Function: sDisRxStatusMode
515Purpose:  Disable the Rx status mode
516Call:	  sDisRxStatusMode(ChP)
517	  CHANNEL_T *ChP; Ptr to channel structure
518Comments: This takes the channel out of the receive status mode.  All
519	  subsequent reads of receive data using sReadRxWord() will return
520	  two data bytes.
521*/
522#define sDisRxStatusMode(ChP) rp_writech2(ChP,CHNOFF_CHANSTAT(ChP),0)
523
524/***************************************************************************
525Function: sDisTransmit
526Purpose:  Disable transmit
527Call:	  sDisTransmit(ChP)
528	  CHANNEL_T *ChP; Ptr to channel structure
529	  This disables movement of Tx data from the Tx FIFO into the 1 byte
530	  Tx buffer.  Therefore there could be up to a 2 byte latency
531	  between the time sDisTransmit() is called and the transmit buffer
532	  and transmit shift register going completely empty.
533*/
534#define sDisTransmit(ChP) \
535{ \
536   (ChP)->TxControl[3] &= ~TX_ENABLE; \
537   rp_writech4(ChP,_INDX_ADDR,le32dec((ChP)->TxControl)); \
538}
539
540/***************************************************************************
541Function: sDisTxSoftFlowCtl
542Purpose:  Disable Tx Software Flow Control
543Call:	  sDisTxSoftFlowCtl(ChP)
544	  CHANNEL_T *ChP; Ptr to channel structure
545*/
546#define sDisTxSoftFlowCtl(ChP) \
547{ \
548   (ChP)->R[0x06] = 0x8a; \
549   rp_writech4(ChP,_INDX_ADDR,le32dec((ChP)->R + 0x04)); \
550}
551
552/***************************************************************************
553Function: sEnCTSFlowCtl
554Purpose:  Enable output flow control using CTS
555Call:	  sEnCTSFlowCtl(ChP)
556	  CHANNEL_T *ChP; Ptr to channel structure
557*/
558#define sEnCTSFlowCtl(ChP) \
559{ \
560   (ChP)->TxControl[2] |= CTSFC_EN; \
561   rp_writech4(ChP,_INDX_ADDR,le32dec((ChP)->TxControl)); \
562}
563
564/***************************************************************************
565Function: EnParity
566Purpose:  Enable parity
567Call:	  sEnParity(ChP)
568	  CHANNEL_T *ChP; Ptr to channel structure
569Comments: Function sSetParity() can be used in place of functions sEnParity(),
570	  sDisParity(), sSetOddParity(), and sSetEvenParity().
571
572Warnings: Before enabling parity odd or even parity should be chosen using
573	  functions sSetOddParity() or sSetEvenParity().
574*/
575#define sEnParity(ChP) \
576{ \
577   (ChP)->TxControl[2] |= PARITY_EN; \
578   rp_writech4(ChP,_INDX_ADDR,le32dec((ChP)->TxControl)); \
579}
580
581/***************************************************************************
582Function: sEnRTSFlowCtl
583Return: void
584*/
585#define sEnRTSFlowCtl(ChP) \
586{ \
587	(ChP)->TxControl[2] &= ~RTSTOG_EN; \
588	(ChP)->TxControl[3] &= ~SET_RTS; \
589   rp_writech4(ChP,_INDX_ADDR,le32dec((ChP)->TxControl)); \
590	(ChP)->RxControl[2] |= RTSFC_EN; \
591   rp_writech4(ChP,_INDX_ADDR,le32dec((ChP)->RxControl)); \
592}
593
594/***************************************************************************
595Function: sDisRTSFlowCtl
596Return: void
597*/
598#define sDisRTSFlowCtl(ChP) \
599{ \
600	(ChP)->RxControl[2] &= ~RTSFC_EN; \
601   rp_writech4(ChP,_INDX_ADDR,le32dec((ChP)->RxControl)); \
602}
603
604/***************************************************************************
605Function: sEnRxFIFO
606Purpose:  Enable Rx FIFO
607Call:	  sEnRxFIFO(ChP)
608	  CHANNEL_T *ChP; Ptr to channel structure
609*/
610#define sEnRxFIFO(ChP) \
611{ \
612   (ChP)->R[0x32] = 0x08; \
613   rp_writech4(ChP,_INDX_ADDR,le32dec((ChP)->R + 0x30)); \
614}
615
616/***************************************************************************
617Function: sEnRxProcessor
618Purpose:  Enable the receive processor
619Call:	  sEnRxProcessor(ChP)
620	  CHANNEL_T *ChP; Ptr to channel structure
621Comments: This function is used to start the receive processor.  When
622	  the channel is in the reset state the receive processor is not
623	  running.  This is done to prevent the receive processor from
624	  executing invalid microcode instructions prior to the
625	  downloading of the microcode.
626
627Warnings: This function must be called after valid microcode has been
628	  downloaded to the AIOP, and it must not be called before the
629	  microcode has been downloaded.
630*/
631#define sEnRxProcessor(ChP) \
632{ \
633   (ChP)->RxControl[2] |= RXPROC_EN; \
634   rp_writech4(ChP,_INDX_ADDR,le32dec((ChP)->RxControl)); \
635}
636
637/***************************************************************************
638Function: sEnRxStatusMode
639Purpose:  Enable the Rx status mode
640Call:	  sEnRxStatusMode(ChP)
641	  CHANNEL_T *ChP; Ptr to channel structure
642Comments: This places the channel in the receive status mode.  All subsequent
643	  reads of receive data using sReadRxWord() will return a data byte
644	  in the low word and a status byte in the high word.
645
646*/
647#define sEnRxStatusMode(ChP) rp_writech2(ChP,CHNOFF_CHANSTAT(ChP),STATMODE)
648
649/***************************************************************************
650Function: sEnTransmit
651Purpose:  Enable transmit
652Call:	  sEnTransmit(ChP)
653	  CHANNEL_T *ChP; Ptr to channel structure
654*/
655#define sEnTransmit(ChP) \
656{ \
657   (ChP)->TxControl[3] |= TX_ENABLE; \
658   rp_writech4(ChP,_INDX_ADDR,le32dec((ChP)->TxControl)); \
659}
660
661/***************************************************************************
662Function: sGetAiopIntStatus
663Purpose:  Get the AIOP interrupt status
664Call:	  sGetAiopIntStatus(CtlP,AiopNum)
665	  CONTROLLER_T *CtlP; Ptr to controller structure
666	  int AiopNum; AIOP number
667Return:   Byte_t: The AIOP interrupt status.  Bits 0 through 7
668			 represent channels 0 through 7 respectively.  If a
669			 bit is set that channel is interrupting.
670*/
671#define sGetAiopIntStatus(CtlP,AIOPNUM) rp_readaiop1(CtlP,AIOPNUM,_INT_CHAN)
672
673/***************************************************************************
674Function: sGetAiopNumChan
675Purpose:  Get the number of channels supported by an AIOP
676Call:	  sGetAiopNumChan(CtlP,AiopNum)
677	  CONTROLLER_T *CtlP; Ptr to controller structure
678	  int AiopNum; AIOP number
679Return:   int: The number of channels supported by the AIOP
680*/
681#define sGetAiopNumChan(CtlP,AIOPNUM) CtlP->AiopNumChan[AIOPNUM]
682
683/***************************************************************************
684Function: sGetChanIntID
685Purpose:  Get a channel's interrupt identification byte
686Call:	  sGetChanIntID(ChP)
687	  CHANNEL_T *ChP; Ptr to channel structure
688Return:   Byte_t: The channel interrupt ID.  Can be any
689	     combination of the following flags:
690		RXF_TRIG:     Rx FIFO trigger level interrupt
691		TXFIFO_MT:    Tx FIFO empty interrupt
692		SRC_INT:      Special receive condition interrupt
693		DELTA_CD:     CD change interrupt
694		DELTA_CTS:    CTS change interrupt
695		DELTA_DSR:    DSR change interrupt
696*/
697#define sGetChanIntID(ChP) (rp_readch1(ChP,(ChP)->ChanNum+_INT_ID0) & (RXF_TRIG | TXFIFO_MT | SRC_INT | DELTA_CD | DELTA_CTS | DELTA_DSR))
698
699/***************************************************************************
700Function: sGetChanNum
701Purpose:  Get the number of a channel within an AIOP
702Call:	  sGetChanNum(ChP)
703	  CHANNEL_T *ChP; Ptr to channel structure
704Return:   int: Channel number within AIOP, or NULLCHAN if channel does
705	       not exist.
706*/
707#define sGetChanNum(ChP) (ChP)->ChanNum
708
709/***************************************************************************
710Function: sGetChanStatus
711Purpose:  Get the channel status
712Call:	  sGetChanStatus(ChP)
713	  CHANNEL_T *ChP; Ptr to channel structure
714Return:   Word_t: The channel status.  Can be any combination of
715	     the following flags:
716		LOW BYTE FLAGS
717		CTS_ACT:      CTS input asserted
718		DSR_ACT:      DSR input asserted
719		CD_ACT:       CD input asserted
720		TXFIFOMT:     Tx FIFO is empty
721		TXSHRMT:      Tx shift register is empty
722		RDA:	      Rx data available
723
724		HIGH BYTE FLAGS
725		STATMODE:     status mode enable bit
726		RXFOVERFL:    receive FIFO overflow
727		RX2MATCH:     receive compare byte 2 match
728		RX1MATCH:     receive compare byte 1 match
729		RXBREAK:      received BREAK
730		RXFRAME:      received framing error
731		RXPARITY:     received parity error
732Warnings: This function will clear the high byte flags in the Channel
733	  Status Register.
734*/
735#define sGetChanStatus(ChP) rp_readch2(ChP,CHNOFF_CHANSTAT(ChP))
736
737/***************************************************************************
738Function: sGetChanStatusLo
739Purpose:  Get the low byte only of the channel status
740Call:	  sGetChanStatusLo(ChP)
741	  CHANNEL_T *ChP; Ptr to channel structure
742Return:   Byte_t: The channel status low byte.	Can be any combination
743	     of the following flags:
744		CTS_ACT:      CTS input asserted
745		DSR_ACT:      DSR input asserted
746		CD_ACT:       CD input asserted
747		TXFIFOMT:     Tx FIFO is empty
748		TXSHRMT:      Tx shift register is empty
749		RDA:	      Rx data available
750*/
751#define sGetChanStatusLo(ChP) rp_readch1(ChP,CHNOFF_CHANSTAT(ChP))
752
753/***************************************************************************
754Function: sGetRxCnt
755Purpose:  Get the number of data bytes in the Rx FIFO
756Call:	  sGetRxCnt(ChP)
757	  CHANNEL_T *ChP; Ptr to channel structure
758Return:   int: The number of data bytes in the Rx FIFO.
759Comments: Byte read of count register is required to obtain Rx count.
760
761*/
762#define sGetRxCnt(ChP) rp_readch2(ChP,CHNOFF_TXRXCOUNT(ChP))
763
764/***************************************************************************
765Function: sGetTxCnt
766Purpose:  Get the number of data bytes in the Tx FIFO
767Call:	  sGetTxCnt(ChP)
768	  CHANNEL_T *ChP; Ptr to channel structure
769Return:   Byte_t: The number of data bytes in the Tx FIFO.
770Comments: Byte read of count register is required to obtain Tx count.
771
772*/
773#define sGetTxCnt(ChP) rp_readch1(ChP,CHNOFF_TXRXCOUNT(ChP))
774
775/*****************************************************************************
776Function: sGetTxRxDataIO
777Purpose:  Get the offset of a channel's TxRx Data register
778Call:	  sGetTxRxDataIO(ChP)
779	  CHANNEL_T *ChP; Ptr to channel structure
780Return:   WordIO_t: offset of a channel's TxRx Data register
781*/
782#define sGetTxRxDataIO(ChP) CHNOFF_TXRXDATA(ChP)
783
784/***************************************************************************
785Function: sInitChanDefaults
786Purpose:  Initialize a channel structure to its default state.
787Call:	  sInitChanDefaults(ChP)
788	  CHANNEL_T *ChP; Ptr to the channel structure
789Comments: This function must be called once for every channel structure
790	  that exists before any other SSCI calls can be made.
791
792*/
793#define sInitChanDefaults(ChP) \
794{ \
795   (ChP)->CtlP = NULLCTLPTR; \
796   (ChP)->AiopNum = NULLAIOP; \
797   (ChP)->ChanID = AIOPID_NULL; \
798   (ChP)->ChanNum = NULLCHAN; \
799}
800
801/***************************************************************************
802Function: sResetAiopByNum
803Purpose:  Reset the AIOP by number
804Call:	  sResetAiopByNum(CTLP,AIOPNUM)
805	CONTROLLER_T CTLP; Ptr to controller structure
806	AIOPNUM; AIOP index
807*/
808#define sResetAiopByNum(CTLP,AIOPNUM) \
809{ \
810   rp_writeaiop1(CTLP,AIOPNUM,_CMD_REG,RESET_ALL); \
811   rp_writeaiop1(CTLP,AIOPNUM,_CMD_REG,0x0); \
812}
813
814/***************************************************************************
815Function: sSendBreak
816Purpose:  Send a transmit BREAK signal
817Call:	  sSendBreak(ChP)
818	  CHANNEL_T *ChP; Ptr to channel structure
819*/
820#define sSendBreak(ChP) \
821{ \
822   (ChP)->TxControl[3] |= SETBREAK; \
823   rp_writech4(ChP,_INDX_ADDR,le32dec((ChP)->TxControl)); \
824}
825
826/***************************************************************************
827Function: sSetBaud
828Purpose:  Set baud rate
829Call:	  sSetBaud(ChP,Divisor)
830	  CHANNEL_T *ChP; Ptr to channel structure
831	  Word_t Divisor; 16 bit baud rate divisor for channel
832*/
833#define sSetBaud(ChP,DIVISOR) \
834{ \
835   (ChP)->BaudDiv[2] = (Byte_t)(DIVISOR); \
836   (ChP)->BaudDiv[3] = (Byte_t)((DIVISOR) >> 8); \
837   rp_writech4(ChP,_INDX_ADDR,le32dec((ChP)->BaudDiv)); \
838}
839
840/***************************************************************************
841Function: sSetData7
842Purpose:  Set data bits to 7
843Call:	  sSetData7(ChP)
844	  CHANNEL_T *ChP; Ptr to channel structure
845*/
846#define sSetData7(ChP) \
847{ \
848   (ChP)->TxControl[2] &= ~DATA8BIT; \
849   rp_writech4(ChP,_INDX_ADDR,le32dec((ChP)->TxControl)); \
850}
851
852/***************************************************************************
853Function: sSetData8
854Purpose:  Set data bits to 8
855Call:	  sSetData8(ChP)
856	  CHANNEL_T *ChP; Ptr to channel structure
857*/
858#define sSetData8(ChP) \
859{ \
860   (ChP)->TxControl[2] |= DATA8BIT; \
861   rp_writech4(ChP,_INDX_ADDR,le32dec((ChP)->TxControl)); \
862}
863
864/***************************************************************************
865Function: sSetDTR
866Purpose:  Set the DTR output
867Call:	  sSetDTR(ChP)
868	  CHANNEL_T *ChP; Ptr to channel structure
869*/
870#define sSetDTR(ChP) \
871{ \
872   (ChP)->TxControl[3] |= SET_DTR; \
873   rp_writech4(ChP,_INDX_ADDR,le32dec((ChP)->TxControl)); \
874}
875
876/***************************************************************************
877Function: sSetEvenParity
878Purpose:  Set even parity
879Call:	  sSetEvenParity(ChP)
880	  CHANNEL_T *ChP; Ptr to channel structure
881Comments: Function sSetParity() can be used in place of functions sEnParity(),
882	  sDisParity(), sSetOddParity(), and sSetEvenParity().
883
884Warnings: This function has no effect unless parity is enabled with function
885	  sEnParity().
886*/
887#define sSetEvenParity(ChP) \
888{ \
889   (ChP)->TxControl[2] |= EVEN_PAR; \
890   rp_writech4(ChP,_INDX_ADDR,le32dec((ChP)->TxControl)); \
891}
892
893/***************************************************************************
894Function: sSetOddParity
895Purpose:  Set odd parity
896Call:	  sSetOddParity(ChP)
897	  CHANNEL_T *ChP; Ptr to channel structure
898Comments: Function sSetParity() can be used in place of functions sEnParity(),
899	  sDisParity(), sSetOddParity(), and sSetEvenParity().
900
901Warnings: This function has no effect unless parity is enabled with function
902	  sEnParity().
903*/
904#define sSetOddParity(ChP) \
905{ \
906   (ChP)->TxControl[2] &= ~EVEN_PAR; \
907   rp_writech4(ChP,_INDX_ADDR,le32dec((ChP)->TxControl)); \
908}
909
910/***************************************************************************
911Function: sSetRTS
912Purpose:  Set the RTS output
913Call:	  sSetRTS(ChP)
914	  CHANNEL_T *ChP; Ptr to channel structure
915*/
916#define sSetRTS(ChP) \
917{ \
918   (ChP)->TxControl[3] |= SET_RTS; \
919   rp_writech4(ChP,_INDX_ADDR,le32dec((ChP)->TxControl)); \
920}
921
922/***************************************************************************
923Function: sSetRxTrigger
924Purpose:  Set the Rx FIFO trigger level
925Call:	  sSetRxProcessor(ChP,Level)
926	  CHANNEL_T *ChP; Ptr to channel structure
927	  Byte_t Level; Number of characters in Rx FIFO at which the
928	     interrupt will be generated.  Can be any of the following flags:
929
930	     TRIG_NO:	no trigger
931	     TRIG_1:	1 character in FIFO
932	     TRIG_1_2:	FIFO 1/2 full
933	     TRIG_7_8:	FIFO 7/8 full
934Comments: An interrupt will be generated when the trigger level is reached
935	  only if function sEnInterrupt() has been called with flag
936	  RXINT_EN set.  The RXF_TRIG flag in the Interrupt Idenfification
937	  register will be set whenever the trigger level is reached
938	  regardless of the setting of RXINT_EN.
939
940*/
941#define sSetRxTrigger(ChP,LEVEL) \
942{ \
943   (ChP)->RxControl[2] &= ~TRIG_MASK; \
944   (ChP)->RxControl[2] |= LEVEL; \
945   rp_writech4(ChP,_INDX_ADDR,le32dec((ChP)->RxControl)); \
946}
947
948/***************************************************************************
949Function: sSetStop1
950Purpose:  Set stop bits to 1
951Call:	  sSetStop1(ChP)
952	  CHANNEL_T *ChP; Ptr to channel structure
953*/
954#define sSetStop1(ChP) \
955{ \
956   (ChP)->TxControl[2] &= ~STOP2; \
957   rp_writech4(ChP,_INDX_ADDR,le32dec((ChP)->TxControl)); \
958}
959
960/***************************************************************************
961Function: sSetStop2
962Purpose:  Set stop bits to 2
963Call:	  sSetStop2(ChP)
964	  CHANNEL_T *ChP; Ptr to channel structure
965*/
966#define sSetStop2(ChP) \
967{ \
968   (ChP)->TxControl[2] |= STOP2; \
969   rp_writech4(ChP,_INDX_ADDR,le32dec((ChP)->TxControl)); \
970}
971
972/***************************************************************************
973Function: sStartRxProcessor
974Purpose:  Start a channel's receive processor
975Call:	  sStartRxProcessor(ChP)
976	  CHANNEL_T *ChP; Ptr to channel structure
977Comments: This function is used to start a Rx processor after it was
978	  stopped with sStopRxProcessor() or sStopSWInFlowCtl().  It
979	  will restart both the Rx processor and software input flow control.
980
981*/
982#define sStartRxProcessor(ChP) rp_writech4(ChP,_INDX_ADDR,le32dec((ChP)->R))
983
984/***************************************************************************
985Function: sWriteTxByte
986Purpose:  Write a transmit data byte to a channel.
987	  CHANNEL_T *ChP; Ptr to channel structure
988	  ByteIO_t io: Channel transmit register I/O address.  This can
989			   be obtained with sGetTxRxDataIO().
990	  Byte_t Data; The transmit data byte.
991Warnings: This function writes the data byte without checking to see if
992	  sMaxTxSize is exceeded in the Tx FIFO.
993*/
994#define sWriteTxByte(ChP,IO,DATA) rp_writech1(ChP,IO,DATA)
995
996int sReadAiopID(CONTROLLER_T *CtlP, int aiop);
997int sReadAiopNumChan(CONTROLLER_T *CtlP, int aiop);
998int sInitChan(	CONTROLLER_T *CtlP,
999		CHANNEL_T *ChP,
1000		int AiopNum,
1001		int ChanNum);
1002Byte_t sGetRxErrStatus(CHANNEL_T *ChP);
1003void sStopRxProcessor(CHANNEL_T *ChP);
1004void sStopSWInFlowCtl(CHANNEL_T *ChP);
1005void sFlushRxFIFO(CHANNEL_T *ChP);
1006void sFlushTxFIFO(CHANNEL_T *ChP);
1007int sWriteTxPrioByte(CHANNEL_T *ChP, Byte_t Data);
1008void sEnInterrupts(CHANNEL_T *ChP,Word_t Flags);
1009void sDisInterrupts(CHANNEL_T *ChP,Word_t Flags);
1010int rp_attachcommon(CONTROLLER_T *ctlp, int num_aiops, int num_ports);
1011void rp_releaseresource(CONTROLLER_t *ctlp);
1012static __inline void
1013rp_lock(CONTROLLER_T *CtlP)
1014{
1015        if (CtlP->hwmtx_init != 0)
1016                mtx_lock(&CtlP->hwmtx);
1017}
1018static __inline void
1019rp_unlock(CONTROLLER_T *CtlP)
1020{
1021        if (CtlP->hwmtx_init != 0)
1022                mtx_unlock(&CtlP->hwmtx);
1023}
1024
1025#ifndef ROCKET_C
1026extern Byte_t R[RDATASIZE];
1027extern CONTROLLER_T sController[CTL_SIZE];
1028extern Byte_t sIRQMap[16];
1029#endif
1030extern Byte_t rp_sBitMapClrTbl[8];
1031extern Byte_t rp_sBitMapSetTbl[8];
1032