rpreg.h revision 191563
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: head/sys/dev/rp/rpreg.h 191563 2009-04-27 15:58:38Z ambrisko $
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
368	/* Device and resource management */
369	device_t		dev;		/* device */
370	int			io_num;		/* Number of IO resources */
371	int			*io_rid;	/* IO resource IDs */
372	struct resource		**io;		/* IO resources */
373
374	struct rp_port		*rp;		/* port */
375
376	/* Device nodes */
377	struct cdev **dev_nodes;
378
379	/* Bus-specific properties */
380	void			*bus_ctlp;
381
382	/* Bus-specific methods */
383	rp_aiop2rid_t		*aiop2rid;	/* (aiop, offset) -> rid */
384	rp_aiop2off_t		*aiop2off;	/* (aiop, offset) -> off */
385	rp_ctlmask_t		*ctlmask;	/* Int status */
386};
387typedef struct CONTROLLER_str CONTROLLER_T;
388typedef CONTROLLER_T CONTROLLER_t;
389
390/* Channel level information structure */
391struct CHANNEL_str
392{
393	CONTROLLER_t	*CtlP;
394	int		AiopNum;
395	int		ChanID;
396	int		ChanNum;
397
398	Word_t		TxFIFO;
399	Word_t		TxFIFOPtrs;
400	Word_t		RxFIFO;
401	Word_t		RxFIFOPtrs;
402	Word_t		TxPrioCnt;
403	Word_t		TxPrioPtr;
404	Word_t		TxPrioBuf;
405
406	Byte_t		R[RREGDATASIZE];
407
408	Byte_t		BaudDiv[4];
409	Byte_t		TxControl[4];
410	Byte_t		RxControl[4];
411	Byte_t		TxEnables[4];
412	Byte_t		TxCompare[4];
413	Byte_t		TxReplace1[4];
414	Byte_t		TxReplace2[4];
415};
416
417typedef struct CHANNEL_str CHANNEL_T;
418typedef CHANNEL_T CHANNEL_t;
419typedef CHANNEL_T * CHANPTR_T;
420
421#define CHNOFF_TXRXDATA(chp)	((chp)->ChanNum * 2 + _TD0)
422#define CHNOFF_CHANSTAT(chp)	((chp)->ChanNum * 2 + _CHN_STAT0)
423#define CHNOFF_TXRXCOUNT(chp)	((chp)->ChanNum * 2 + _FIFO_CNT0)
424#define CHNOFF_INTID(chp)	((chp)->ChanNum     + _INT_ID0)
425
426/***************************************************************************
427Function: sClrBreak
428Purpose:  Stop sending a transmit BREAK signal
429Call:	  sClrBreak(ChP)
430	  CHANNEL_T *ChP; Ptr to channel structure
431*/
432#define sClrBreak(ChP) \
433{ \
434   (ChP)->TxControl[3] &= ~SETBREAK; \
435   rp_writech4(ChP,_INDX_ADDR,le32dec((ChP)->TxControl)); \
436}
437
438/***************************************************************************
439Function: sClrDTR
440Purpose:  Clr the DTR output
441Call:	  sClrDTR(ChP)
442	  CHANNEL_T *ChP; Ptr to channel structure
443*/
444#define sClrDTR(ChP) \
445{ \
446   (ChP)->TxControl[3] &= ~SET_DTR; \
447   rp_writech4(ChP,_INDX_ADDR,le32dec((ChP)->TxControl)); \
448}
449
450/***************************************************************************
451Function: sClrRTS
452Purpose:  Clr the RTS output
453Call:	  sClrRTS(ChP)
454	  CHANNEL_T *ChP; Ptr to channel structure
455*/
456#define sClrRTS(ChP) \
457{ \
458   (ChP)->TxControl[3] &= ~SET_RTS; \
459   rp_writech4(ChP,_INDX_ADDR,le32dec((ChP)->TxControl)); \
460}
461
462/***************************************************************************
463Function: sClrTxXOFF
464Purpose:  Clear any existing transmit software flow control off condition
465Call:	  sClrTxXOFF(ChP)
466	  CHANNEL_T *ChP; Ptr to channel structure
467*/
468#define sClrTxXOFF(ChP) \
469{ \
470   rp_writech1(ChP,_CMD_REG,TXOVERIDE | (Byte_t)(ChP)->ChanNum); \
471   rp_writech1(ChP,_CMD_REG,(Byte_t)(ChP)->ChanNum); \
472}
473
474/***************************************************************************
475Function: sDisCTSFlowCtl
476Purpose:  Disable output flow control using CTS
477Call:	  sDisCTSFlowCtl(ChP)
478	  CHANNEL_T *ChP; Ptr to channel structure
479*/
480#define sDisCTSFlowCtl(ChP) \
481{ \
482   (ChP)->TxControl[2] &= ~CTSFC_EN; \
483   rp_writech4(ChP,_INDX_ADDR,le32dec((ChP)->TxControl)); \
484}
485
486/***************************************************************************
487Function: DisParity
488Purpose:  Disable parity
489Call:	  sDisParity(ChP)
490	  CHANNEL_T *ChP; Ptr to channel structure
491Comments: Function sSetParity() can be used in place of functions sEnParity(),
492	  sDisParity(), sSetOddParity(), and sSetEvenParity().
493*/
494#define sDisParity(ChP) \
495{ \
496   (ChP)->TxControl[2] &= ~PARITY_EN; \
497   rp_writech4(ChP,_INDX_ADDR,le32dec((ChP)->TxControl)); \
498}
499
500/***************************************************************************
501Function: sDisRxFIFO
502Purpose:  Disable Rx FIFO
503Call:	  sDisRxFIFO(ChP)
504	  CHANNEL_T *ChP; Ptr to channel structure
505*/
506#define sDisRxFIFO(ChP) \
507{ \
508   (ChP)->R[0x32] = 0x0a; \
509   rp_writech4(ChP,_INDX_ADDR,le32dec((ChP)->R + 0x30)); \
510}
511
512/***************************************************************************
513Function: sDisRxStatusMode
514Purpose:  Disable the Rx status mode
515Call:	  sDisRxStatusMode(ChP)
516	  CHANNEL_T *ChP; Ptr to channel structure
517Comments: This takes the channel out of the receive status mode.  All
518	  subsequent reads of receive data using sReadRxWord() will return
519	  two data bytes.
520*/
521#define sDisRxStatusMode(ChP) rp_writech2(ChP,CHNOFF_CHANSTAT(ChP),0)
522
523/***************************************************************************
524Function: sDisTransmit
525Purpose:  Disable transmit
526Call:	  sDisTransmit(ChP)
527	  CHANNEL_T *ChP; Ptr to channel structure
528	  This disables movement of Tx data from the Tx FIFO into the 1 byte
529	  Tx buffer.  Therefore there could be up to a 2 byte latency
530	  between the time sDisTransmit() is called and the transmit buffer
531	  and transmit shift register going completely empty.
532*/
533#define sDisTransmit(ChP) \
534{ \
535   (ChP)->TxControl[3] &= ~TX_ENABLE; \
536   rp_writech4(ChP,_INDX_ADDR,le32dec((ChP)->TxControl)); \
537}
538
539/***************************************************************************
540Function: sDisTxSoftFlowCtl
541Purpose:  Disable Tx Software Flow Control
542Call:	  sDisTxSoftFlowCtl(ChP)
543	  CHANNEL_T *ChP; Ptr to channel structure
544*/
545#define sDisTxSoftFlowCtl(ChP) \
546{ \
547   (ChP)->R[0x06] = 0x8a; \
548   rp_writech4(ChP,_INDX_ADDR,le32dec((ChP)->R + 0x04)); \
549}
550
551/***************************************************************************
552Function: sEnCTSFlowCtl
553Purpose:  Enable output flow control using CTS
554Call:	  sEnCTSFlowCtl(ChP)
555	  CHANNEL_T *ChP; Ptr to channel structure
556*/
557#define sEnCTSFlowCtl(ChP) \
558{ \
559   (ChP)->TxControl[2] |= CTSFC_EN; \
560   rp_writech4(ChP,_INDX_ADDR,le32dec((ChP)->TxControl)); \
561}
562
563/***************************************************************************
564Function: EnParity
565Purpose:  Enable parity
566Call:	  sEnParity(ChP)
567	  CHANNEL_T *ChP; Ptr to channel structure
568Comments: Function sSetParity() can be used in place of functions sEnParity(),
569	  sDisParity(), sSetOddParity(), and sSetEvenParity().
570
571Warnings: Before enabling parity odd or even parity should be chosen using
572	  functions sSetOddParity() or sSetEvenParity().
573*/
574#define sEnParity(ChP) \
575{ \
576   (ChP)->TxControl[2] |= PARITY_EN; \
577   rp_writech4(ChP,_INDX_ADDR,le32dec((ChP)->TxControl)); \
578}
579
580/***************************************************************************
581Function: sEnRTSFlowCtl
582Return: void
583*/
584#define sEnRTSFlowCtl(ChP) \
585{ \
586	(ChP)->TxControl[2] &= ~RTSTOG_EN; \
587	(ChP)->TxControl[3] &= ~SET_RTS; \
588   rp_writech4(ChP,_INDX_ADDR,le32dec((ChP)->TxControl)); \
589	(ChP)->RxControl[2] |= RTSFC_EN; \
590   rp_writech4(ChP,_INDX_ADDR,le32dec((ChP)->RxControl)); \
591}
592
593/***************************************************************************
594Function: sDisRTSFlowCtl
595Return: void
596*/
597#define sDisRTSFlowCtl(ChP) \
598{ \
599	(ChP)->RxControl[2] &= ~RTSFC_EN; \
600   rp_writech4(ChP,_INDX_ADDR,le32dec((ChP)->RxControl)); \
601}
602
603/***************************************************************************
604Function: sEnRxFIFO
605Purpose:  Enable Rx FIFO
606Call:	  sEnRxFIFO(ChP)
607	  CHANNEL_T *ChP; Ptr to channel structure
608*/
609#define sEnRxFIFO(ChP) \
610{ \
611   (ChP)->R[0x32] = 0x08; \
612   rp_writech4(ChP,_INDX_ADDR,le32dec((ChP)->R + 0x30)); \
613}
614
615/***************************************************************************
616Function: sEnRxProcessor
617Purpose:  Enable the receive processor
618Call:	  sEnRxProcessor(ChP)
619	  CHANNEL_T *ChP; Ptr to channel structure
620Comments: This function is used to start the receive processor.  When
621	  the channel is in the reset state the receive processor is not
622	  running.  This is done to prevent the receive processor from
623	  executing invalid microcode instructions prior to the
624	  downloading of the microcode.
625
626Warnings: This function must be called after valid microcode has been
627	  downloaded to the AIOP, and it must not be called before the
628	  microcode has been downloaded.
629*/
630#define sEnRxProcessor(ChP) \
631{ \
632   (ChP)->RxControl[2] |= RXPROC_EN; \
633   rp_writech4(ChP,_INDX_ADDR,le32dec((ChP)->RxControl)); \
634}
635
636/***************************************************************************
637Function: sEnRxStatusMode
638Purpose:  Enable the Rx status mode
639Call:	  sEnRxStatusMode(ChP)
640	  CHANNEL_T *ChP; Ptr to channel structure
641Comments: This places the channel in the receive status mode.  All subsequent
642	  reads of receive data using sReadRxWord() will return a data byte
643	  in the low word and a status byte in the high word.
644
645*/
646#define sEnRxStatusMode(ChP) rp_writech2(ChP,CHNOFF_CHANSTAT(ChP),STATMODE)
647
648/***************************************************************************
649Function: sEnTransmit
650Purpose:  Enable transmit
651Call:	  sEnTransmit(ChP)
652	  CHANNEL_T *ChP; Ptr to channel structure
653*/
654#define sEnTransmit(ChP) \
655{ \
656   (ChP)->TxControl[3] |= TX_ENABLE; \
657   rp_writech4(ChP,_INDX_ADDR,le32dec((ChP)->TxControl)); \
658}
659
660/***************************************************************************
661Function: sGetAiopIntStatus
662Purpose:  Get the AIOP interrupt status
663Call:	  sGetAiopIntStatus(CtlP,AiopNum)
664	  CONTROLLER_T *CtlP; Ptr to controller structure
665	  int AiopNum; AIOP number
666Return:   Byte_t: The AIOP interrupt status.  Bits 0 through 7
667			 represent channels 0 through 7 respectively.  If a
668			 bit is set that channel is interrupting.
669*/
670#define sGetAiopIntStatus(CtlP,AIOPNUM) rp_readaiop1(CtlP,AIOPNUM,_INT_CHAN)
671
672/***************************************************************************
673Function: sGetAiopNumChan
674Purpose:  Get the number of channels supported by an AIOP
675Call:	  sGetAiopNumChan(CtlP,AiopNum)
676	  CONTROLLER_T *CtlP; Ptr to controller structure
677	  int AiopNum; AIOP number
678Return:   int: The number of channels supported by the AIOP
679*/
680#define sGetAiopNumChan(CtlP,AIOPNUM) CtlP->AiopNumChan[AIOPNUM]
681
682/***************************************************************************
683Function: sGetChanIntID
684Purpose:  Get a channel's interrupt identification byte
685Call:	  sGetChanIntID(ChP)
686	  CHANNEL_T *ChP; Ptr to channel structure
687Return:   Byte_t: The channel interrupt ID.  Can be any
688	     combination of the following flags:
689		RXF_TRIG:     Rx FIFO trigger level interrupt
690		TXFIFO_MT:    Tx FIFO empty interrupt
691		SRC_INT:      Special receive condition interrupt
692		DELTA_CD:     CD change interrupt
693		DELTA_CTS:    CTS change interrupt
694		DELTA_DSR:    DSR change interrupt
695*/
696#define sGetChanIntID(ChP) (rp_readch1(ChP,(ChP)->ChanNum+_INT_ID0) & (RXF_TRIG | TXFIFO_MT | SRC_INT | DELTA_CD | DELTA_CTS | DELTA_DSR))
697
698/***************************************************************************
699Function: sGetChanNum
700Purpose:  Get the number of a channel within an AIOP
701Call:	  sGetChanNum(ChP)
702	  CHANNEL_T *ChP; Ptr to channel structure
703Return:   int: Channel number within AIOP, or NULLCHAN if channel does
704	       not exist.
705*/
706#define sGetChanNum(ChP) (ChP)->ChanNum
707
708/***************************************************************************
709Function: sGetChanStatus
710Purpose:  Get the channel status
711Call:	  sGetChanStatus(ChP)
712	  CHANNEL_T *ChP; Ptr to channel structure
713Return:   Word_t: The channel status.  Can be any combination of
714	     the following flags:
715		LOW BYTE FLAGS
716		CTS_ACT:      CTS input asserted
717		DSR_ACT:      DSR input asserted
718		CD_ACT:       CD input asserted
719		TXFIFOMT:     Tx FIFO is empty
720		TXSHRMT:      Tx shift register is empty
721		RDA:	      Rx data available
722
723		HIGH BYTE FLAGS
724		STATMODE:     status mode enable bit
725		RXFOVERFL:    receive FIFO overflow
726		RX2MATCH:     receive compare byte 2 match
727		RX1MATCH:     receive compare byte 1 match
728		RXBREAK:      received BREAK
729		RXFRAME:      received framing error
730		RXPARITY:     received parity error
731Warnings: This function will clear the high byte flags in the Channel
732	  Status Register.
733*/
734#define sGetChanStatus(ChP) rp_readch2(ChP,CHNOFF_CHANSTAT(ChP))
735
736/***************************************************************************
737Function: sGetChanStatusLo
738Purpose:  Get the low byte only of the channel status
739Call:	  sGetChanStatusLo(ChP)
740	  CHANNEL_T *ChP; Ptr to channel structure
741Return:   Byte_t: The channel status low byte.	Can be any combination
742	     of the following flags:
743		CTS_ACT:      CTS input asserted
744		DSR_ACT:      DSR input asserted
745		CD_ACT:       CD input asserted
746		TXFIFOMT:     Tx FIFO is empty
747		TXSHRMT:      Tx shift register is empty
748		RDA:	      Rx data available
749*/
750#define sGetChanStatusLo(ChP) rp_readch1(ChP,CHNOFF_CHANSTAT(ChP))
751
752/***************************************************************************
753Function: sGetRxCnt
754Purpose:  Get the number of data bytes in the Rx FIFO
755Call:	  sGetRxCnt(ChP)
756	  CHANNEL_T *ChP; Ptr to channel structure
757Return:   int: The number of data bytes in the Rx FIFO.
758Comments: Byte read of count register is required to obtain Rx count.
759
760*/
761#define sGetRxCnt(ChP) rp_readch2(ChP,CHNOFF_TXRXCOUNT(ChP))
762
763/***************************************************************************
764Function: sGetTxCnt
765Purpose:  Get the number of data bytes in the Tx FIFO
766Call:	  sGetTxCnt(ChP)
767	  CHANNEL_T *ChP; Ptr to channel structure
768Return:   Byte_t: The number of data bytes in the Tx FIFO.
769Comments: Byte read of count register is required to obtain Tx count.
770
771*/
772#define sGetTxCnt(ChP) rp_readch1(ChP,CHNOFF_TXRXCOUNT(ChP))
773
774/*****************************************************************************
775Function: sGetTxRxDataIO
776Purpose:  Get the offset of a channel's TxRx Data register
777Call:	  sGetTxRxDataIO(ChP)
778	  CHANNEL_T *ChP; Ptr to channel structure
779Return:   WordIO_t: offset of a channel's TxRx Data register
780*/
781#define sGetTxRxDataIO(ChP) CHNOFF_TXRXDATA(ChP)
782
783/***************************************************************************
784Function: sInitChanDefaults
785Purpose:  Initialize a channel structure to its default state.
786Call:	  sInitChanDefaults(ChP)
787	  CHANNEL_T *ChP; Ptr to the channel structure
788Comments: This function must be called once for every channel structure
789	  that exists before any other SSCI calls can be made.
790
791*/
792#define sInitChanDefaults(ChP) \
793{ \
794   (ChP)->CtlP = NULLCTLPTR; \
795   (ChP)->AiopNum = NULLAIOP; \
796   (ChP)->ChanID = AIOPID_NULL; \
797   (ChP)->ChanNum = NULLCHAN; \
798}
799
800/***************************************************************************
801Function: sResetAiopByNum
802Purpose:  Reset the AIOP by number
803Call:	  sResetAiopByNum(CTLP,AIOPNUM)
804	CONTROLLER_T CTLP; Ptr to controller structure
805	AIOPNUM; AIOP index
806*/
807#define sResetAiopByNum(CTLP,AIOPNUM) \
808{ \
809   rp_writeaiop1(CTLP,AIOPNUM,_CMD_REG,RESET_ALL); \
810   rp_writeaiop1(CTLP,AIOPNUM,_CMD_REG,0x0); \
811}
812
813/***************************************************************************
814Function: sSendBreak
815Purpose:  Send a transmit BREAK signal
816Call:	  sSendBreak(ChP)
817	  CHANNEL_T *ChP; Ptr to channel structure
818*/
819#define sSendBreak(ChP) \
820{ \
821   (ChP)->TxControl[3] |= SETBREAK; \
822   rp_writech4(ChP,_INDX_ADDR,le32dec((ChP)->TxControl)); \
823}
824
825/***************************************************************************
826Function: sSetBaud
827Purpose:  Set baud rate
828Call:	  sSetBaud(ChP,Divisor)
829	  CHANNEL_T *ChP; Ptr to channel structure
830	  Word_t Divisor; 16 bit baud rate divisor for channel
831*/
832#define sSetBaud(ChP,DIVISOR) \
833{ \
834   (ChP)->BaudDiv[2] = (Byte_t)(DIVISOR); \
835   (ChP)->BaudDiv[3] = (Byte_t)((DIVISOR) >> 8); \
836   rp_writech4(ChP,_INDX_ADDR,le32dec((ChP)->BaudDiv)); \
837}
838
839/***************************************************************************
840Function: sSetData7
841Purpose:  Set data bits to 7
842Call:	  sSetData7(ChP)
843	  CHANNEL_T *ChP; Ptr to channel structure
844*/
845#define sSetData7(ChP) \
846{ \
847   (ChP)->TxControl[2] &= ~DATA8BIT; \
848   rp_writech4(ChP,_INDX_ADDR,le32dec((ChP)->TxControl)); \
849}
850
851/***************************************************************************
852Function: sSetData8
853Purpose:  Set data bits to 8
854Call:	  sSetData8(ChP)
855	  CHANNEL_T *ChP; Ptr to channel structure
856*/
857#define sSetData8(ChP) \
858{ \
859   (ChP)->TxControl[2] |= DATA8BIT; \
860   rp_writech4(ChP,_INDX_ADDR,le32dec((ChP)->TxControl)); \
861}
862
863/***************************************************************************
864Function: sSetDTR
865Purpose:  Set the DTR output
866Call:	  sSetDTR(ChP)
867	  CHANNEL_T *ChP; Ptr to channel structure
868*/
869#define sSetDTR(ChP) \
870{ \
871   (ChP)->TxControl[3] |= SET_DTR; \
872   rp_writech4(ChP,_INDX_ADDR,le32dec((ChP)->TxControl)); \
873}
874
875/***************************************************************************
876Function: sSetEvenParity
877Purpose:  Set even parity
878Call:	  sSetEvenParity(ChP)
879	  CHANNEL_T *ChP; Ptr to channel structure
880Comments: Function sSetParity() can be used in place of functions sEnParity(),
881	  sDisParity(), sSetOddParity(), and sSetEvenParity().
882
883Warnings: This function has no effect unless parity is enabled with function
884	  sEnParity().
885*/
886#define sSetEvenParity(ChP) \
887{ \
888   (ChP)->TxControl[2] |= EVEN_PAR; \
889   rp_writech4(ChP,_INDX_ADDR,le32dec((ChP)->TxControl)); \
890}
891
892/***************************************************************************
893Function: sSetOddParity
894Purpose:  Set odd parity
895Call:	  sSetOddParity(ChP)
896	  CHANNEL_T *ChP; Ptr to channel structure
897Comments: Function sSetParity() can be used in place of functions sEnParity(),
898	  sDisParity(), sSetOddParity(), and sSetEvenParity().
899
900Warnings: This function has no effect unless parity is enabled with function
901	  sEnParity().
902*/
903#define sSetOddParity(ChP) \
904{ \
905   (ChP)->TxControl[2] &= ~EVEN_PAR; \
906   rp_writech4(ChP,_INDX_ADDR,le32dec((ChP)->TxControl)); \
907}
908
909/***************************************************************************
910Function: sSetRTS
911Purpose:  Set the RTS output
912Call:	  sSetRTS(ChP)
913	  CHANNEL_T *ChP; Ptr to channel structure
914*/
915#define sSetRTS(ChP) \
916{ \
917   (ChP)->TxControl[3] |= SET_RTS; \
918   rp_writech4(ChP,_INDX_ADDR,le32dec((ChP)->TxControl)); \
919}
920
921/***************************************************************************
922Function: sSetRxTrigger
923Purpose:  Set the Rx FIFO trigger level
924Call:	  sSetRxProcessor(ChP,Level)
925	  CHANNEL_T *ChP; Ptr to channel structure
926	  Byte_t Level; Number of characters in Rx FIFO at which the
927	     interrupt will be generated.  Can be any of the following flags:
928
929	     TRIG_NO:	no trigger
930	     TRIG_1:	1 character in FIFO
931	     TRIG_1_2:	FIFO 1/2 full
932	     TRIG_7_8:	FIFO 7/8 full
933Comments: An interrupt will be generated when the trigger level is reached
934	  only if function sEnInterrupt() has been called with flag
935	  RXINT_EN set.  The RXF_TRIG flag in the Interrupt Idenfification
936	  register will be set whenever the trigger level is reached
937	  regardless of the setting of RXINT_EN.
938
939*/
940#define sSetRxTrigger(ChP,LEVEL) \
941{ \
942   (ChP)->RxControl[2] &= ~TRIG_MASK; \
943   (ChP)->RxControl[2] |= LEVEL; \
944   rp_writech4(ChP,_INDX_ADDR,le32dec((ChP)->RxControl)); \
945}
946
947/***************************************************************************
948Function: sSetStop1
949Purpose:  Set stop bits to 1
950Call:	  sSetStop1(ChP)
951	  CHANNEL_T *ChP; Ptr to channel structure
952*/
953#define sSetStop1(ChP) \
954{ \
955   (ChP)->TxControl[2] &= ~STOP2; \
956   rp_writech4(ChP,_INDX_ADDR,le32dec((ChP)->TxControl)); \
957}
958
959/***************************************************************************
960Function: sSetStop2
961Purpose:  Set stop bits to 2
962Call:	  sSetStop2(ChP)
963	  CHANNEL_T *ChP; Ptr to channel structure
964*/
965#define sSetStop2(ChP) \
966{ \
967   (ChP)->TxControl[2] |= STOP2; \
968   rp_writech4(ChP,_INDX_ADDR,le32dec((ChP)->TxControl)); \
969}
970
971/***************************************************************************
972Function: sStartRxProcessor
973Purpose:  Start a channel's receive processor
974Call:	  sStartRxProcessor(ChP)
975	  CHANNEL_T *ChP; Ptr to channel structure
976Comments: This function is used to start a Rx processor after it was
977	  stopped with sStopRxProcessor() or sStopSWInFlowCtl().  It
978	  will restart both the Rx processor and software input flow control.
979
980*/
981#define sStartRxProcessor(ChP) rp_writech4(ChP,_INDX_ADDR,le32dec((ChP)->R))
982
983/***************************************************************************
984Function: sWriteTxByte
985Purpose:  Write a transmit data byte to a channel.
986	  CHANNEL_T *ChP; Ptr to channel structure
987	  ByteIO_t io: Channel transmit register I/O address.  This can
988			   be obtained with sGetTxRxDataIO().
989	  Byte_t Data; The transmit data byte.
990Warnings: This function writes the data byte without checking to see if
991	  sMaxTxSize is exceeded in the Tx FIFO.
992*/
993#define sWriteTxByte(ChP,IO,DATA) rp_writech1(ChP,IO,DATA)
994
995int sReadAiopID(CONTROLLER_T *CtlP, int aiop);
996int sReadAiopNumChan(CONTROLLER_T *CtlP, int aiop);
997int sInitChan(	CONTROLLER_T *CtlP,
998		CHANNEL_T *ChP,
999		int AiopNum,
1000		int ChanNum);
1001Byte_t sGetRxErrStatus(CHANNEL_T *ChP);
1002void sStopRxProcessor(CHANNEL_T *ChP);
1003void sStopSWInFlowCtl(CHANNEL_T *ChP);
1004void sFlushRxFIFO(CHANNEL_T *ChP);
1005void sFlushTxFIFO(CHANNEL_T *ChP);
1006int sWriteTxPrioByte(CHANNEL_T *ChP, Byte_t Data);
1007void sEnInterrupts(CHANNEL_T *ChP,Word_t Flags);
1008void sDisInterrupts(CHANNEL_T *ChP,Word_t Flags);
1009int rp_attachcommon(CONTROLLER_T *ctlp, int num_aiops, int num_ports);
1010void rp_releaseresource(CONTROLLER_t *ctlp);
1011void rp_untimeout(void);
1012static __inline void
1013rp_lock(CONTROLLER_T *CtlP)
1014{
1015        if (CtlP->hwmtx_init != 0)
1016                mtx_lock_spin(&CtlP->hwmtx);
1017}
1018static __inline void
1019rp_unlock(CONTROLLER_T *CtlP)
1020{
1021        if (CtlP->hwmtx_init != 0)
1022                mtx_unlock_spin(&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