2 * Copyright (c) Comtrol Corporation <support@comtrol.com>
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted prodived that the follwoing conditions
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.
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
32 * $FreeBSD: src/sys/dev/rp/rp.c,v 1.45.2.2 2002/11/07 22:26:59 tegge Exp $
33 * $DragonFly: src/sys/dev/serial/rp/rp.c,v 1.21 2006/12/22 23:26:24 swildner Exp $
37 * rp.c - for RocketPort FreeBSD
40 #include <sys/param.h>
41 #include <sys/systm.h>
42 #include <sys/fcntl.h>
43 #include <sys/malloc.h>
47 #include <sys/dkstat.h>
49 #include <sys/kernel.h>
52 #include <sys/thread2.h>
58 static const char RocketPortVersion[] = "3.02";
60 static Byte_t RData[RDATASIZE] =
62 0x00, 0x09, 0xf6, 0x82,
63 0x02, 0x09, 0x86, 0xfb,
64 0x04, 0x09, 0x00, 0x0a,
65 0x06, 0x09, 0x01, 0x0a,
66 0x08, 0x09, 0x8a, 0x13,
67 0x0a, 0x09, 0xc5, 0x11,
68 0x0c, 0x09, 0x86, 0x85,
69 0x0e, 0x09, 0x20, 0x0a,
70 0x10, 0x09, 0x21, 0x0a,
71 0x12, 0x09, 0x41, 0xff,
72 0x14, 0x09, 0x82, 0x00,
73 0x16, 0x09, 0x82, 0x7b,
74 0x18, 0x09, 0x8a, 0x7d,
75 0x1a, 0x09, 0x88, 0x81,
76 0x1c, 0x09, 0x86, 0x7a,
77 0x1e, 0x09, 0x84, 0x81,
78 0x20, 0x09, 0x82, 0x7c,
79 0x22, 0x09, 0x0a, 0x0a
82 static Byte_t RRegData[RREGDATASIZE]=
84 0x00, 0x09, 0xf6, 0x82, /* 00: Stop Rx processor */
85 0x08, 0x09, 0x8a, 0x13, /* 04: Tx software flow control */
86 0x0a, 0x09, 0xc5, 0x11, /* 08: XON char */
87 0x0c, 0x09, 0x86, 0x85, /* 0c: XANY */
88 0x12, 0x09, 0x41, 0xff, /* 10: Rx mask char */
89 0x14, 0x09, 0x82, 0x00, /* 14: Compare/Ignore #0 */
90 0x16, 0x09, 0x82, 0x7b, /* 18: Compare #1 */
91 0x18, 0x09, 0x8a, 0x7d, /* 1c: Compare #2 */
92 0x1a, 0x09, 0x88, 0x81, /* 20: Interrupt #1 */
93 0x1c, 0x09, 0x86, 0x7a, /* 24: Ignore/Replace #1 */
94 0x1e, 0x09, 0x84, 0x81, /* 28: Interrupt #2 */
95 0x20, 0x09, 0x82, 0x7c, /* 2c: Ignore/Replace #2 */
96 0x22, 0x09, 0x0a, 0x0a /* 30: Rx FIFO Enable */
100 /* IRQ number to MUDBAC register 2 mapping */
103 0,0,0,0x10,0x20,0x30,0,0,0,0x40,0x50,0x60,0x70,0,0,0x80
107 Byte_t rp_sBitMapClrTbl[8] =
109 0xfe,0xfd,0xfb,0xf7,0xef,0xdf,0xbf,0x7f
112 Byte_t rp_sBitMapSetTbl[8] =
114 0x01,0x02,0x04,0x08,0x10,0x20,0x40,0x80
117 /* Actually not used */
119 struct termios deftermios = {
124 { CEOF, CEOL, CEOL, CERASE, CWERASE, CKILL, CREPRINT,
125 _POSIX_VDISABLE, CINTR, CQUIT, CSUSP, CDSUSP, CSTART, CSTOP, CLNEXT,
126 CDISCARD, CMIN, CTIME, CSTATUS, _POSIX_VDISABLE },
132 /***************************************************************************
133 Function: sReadAiopID
134 Purpose: Read the AIOP idenfication number directly from an AIOP.
135 Call: sReadAiopID(CtlP, aiop)
136 CONTROLLER_T *CtlP; Ptr to controller structure
138 Return: int: Flag AIOPID_XXXX if a valid AIOP is found, where X
139 is replace by an identifying number.
140 Flag AIOPID_NULL if no valid AIOP is found
141 Warnings: No context switches are allowed while executing this function.
144 int sReadAiopID(CONTROLLER_T *CtlP, int aiop)
146 Byte_t AiopID; /* ID byte from AIOP */
148 rp_writeaiop1(CtlP, aiop, _CMD_REG, RESET_ALL); /* reset AIOP */
149 rp_writeaiop1(CtlP, aiop, _CMD_REG, 0x0);
150 AiopID = rp_readaiop1(CtlP, aiop, _CHN_STAT0) & 0x07;
153 else /* AIOP does not exist */
157 /***************************************************************************
158 Function: sReadAiopNumChan
159 Purpose: Read the number of channels available in an AIOP directly from
161 Call: sReadAiopNumChan(CtlP, aiop)
162 CONTROLLER_T *CtlP; Ptr to controller structure
164 Return: int: The number of channels available
165 Comments: The number of channels is determined by write/reads from identical
166 offsets within the SRAM address spaces for channels 0 and 4.
167 If the channel 4 space is mirrored to channel 0 it is a 4 channel
168 AIOP, otherwise it is an 8 channel.
169 Warnings: No context switches are allowed while executing this function.
171 int sReadAiopNumChan(CONTROLLER_T *CtlP, int aiop)
175 rp_writeaiop4(CtlP, aiop, _INDX_ADDR,0x12340000L); /* write to chan 0 SRAM */
176 rp_writeaiop2(CtlP, aiop, _INDX_ADDR,0); /* read from SRAM, chan 0 */
177 x = rp_readaiop2(CtlP, aiop, _INDX_DATA);
178 rp_writeaiop2(CtlP, aiop, _INDX_ADDR,0x4000); /* read from SRAM, chan 4 */
179 y = rp_readaiop2(CtlP, aiop, _INDX_DATA);
180 if(x != y) /* if different must be 8 chan */
186 /***************************************************************************
188 Purpose: Initialization of a channel and channel structure
189 Call: sInitChan(CtlP,ChP,AiopNum,ChanNum)
190 CONTROLLER_T *CtlP; Ptr to controller structure
191 CHANNEL_T *ChP; Ptr to channel structure
192 int AiopNum; AIOP number within controller
193 int ChanNum; Channel number within AIOP
194 Return: int: TRUE if initialization succeeded, FALSE if it fails because channel
195 number exceeds number of channels available in AIOP.
196 Comments: This function must be called before a channel can be used.
197 Warnings: No range checking on any of the parameters is done.
199 No context switches are allowed while executing this function.
201 int sInitChan( CONTROLLER_T *CtlP,
210 if(ChanNum >= CtlP->AiopNumChan[AiopNum])
211 return(FALSE); /* exceeds num chans in AIOP */
213 /* Channel, AIOP, and controller identifiers */
215 ChP->ChanID = CtlP->AiopID[AiopNum];
216 ChP->AiopNum = AiopNum;
217 ChP->ChanNum = ChanNum;
219 /* Initialize the channel from the RData array */
220 for(i=0; i < RDATASIZE; i+=4)
223 R[1] = RData[i+1] + 0x10 * ChanNum;
226 rp_writech4(ChP,_INDX_ADDR,*((DWord_t *)&R[0]));
230 for(i=0; i < RREGDATASIZE; i+=4)
232 ChR[i] = RRegData[i];
233 ChR[i+1] = RRegData[i+1] + 0x10 * ChanNum;
234 ChR[i+2] = RRegData[i+2];
235 ChR[i+3] = RRegData[i+3];
238 /* Indexed registers */
239 ChOff = (Word_t)ChanNum * 0x1000;
241 ChP->BaudDiv[0] = (Byte_t)(ChOff + _BAUD);
242 ChP->BaudDiv[1] = (Byte_t)((ChOff + _BAUD) >> 8);
243 ChP->BaudDiv[2] = (Byte_t)BRD9600;
244 ChP->BaudDiv[3] = (Byte_t)(BRD9600 >> 8);
245 rp_writech4(ChP,_INDX_ADDR,*(DWord_t *)&ChP->BaudDiv[0]);
247 ChP->TxControl[0] = (Byte_t)(ChOff + _TX_CTRL);
248 ChP->TxControl[1] = (Byte_t)((ChOff + _TX_CTRL) >> 8);
249 ChP->TxControl[2] = 0;
250 ChP->TxControl[3] = 0;
251 rp_writech4(ChP,_INDX_ADDR,*(DWord_t *)&ChP->TxControl[0]);
253 ChP->RxControl[0] = (Byte_t)(ChOff + _RX_CTRL);
254 ChP->RxControl[1] = (Byte_t)((ChOff + _RX_CTRL) >> 8);
255 ChP->RxControl[2] = 0;
256 ChP->RxControl[3] = 0;
257 rp_writech4(ChP,_INDX_ADDR,*(DWord_t *)&ChP->RxControl[0]);
259 ChP->TxEnables[0] = (Byte_t)(ChOff + _TX_ENBLS);
260 ChP->TxEnables[1] = (Byte_t)((ChOff + _TX_ENBLS) >> 8);
261 ChP->TxEnables[2] = 0;
262 ChP->TxEnables[3] = 0;
263 rp_writech4(ChP,_INDX_ADDR,*(DWord_t *)&ChP->TxEnables[0]);
265 ChP->TxCompare[0] = (Byte_t)(ChOff + _TXCMP1);
266 ChP->TxCompare[1] = (Byte_t)((ChOff + _TXCMP1) >> 8);
267 ChP->TxCompare[2] = 0;
268 ChP->TxCompare[3] = 0;
269 rp_writech4(ChP,_INDX_ADDR,*(DWord_t *)&ChP->TxCompare[0]);
271 ChP->TxReplace1[0] = (Byte_t)(ChOff + _TXREP1B1);
272 ChP->TxReplace1[1] = (Byte_t)((ChOff + _TXREP1B1) >> 8);
273 ChP->TxReplace1[2] = 0;
274 ChP->TxReplace1[3] = 0;
275 rp_writech4(ChP,_INDX_ADDR,*(DWord_t *)&ChP->TxReplace1[0]);
277 ChP->TxReplace2[0] = (Byte_t)(ChOff + _TXREP2);
278 ChP->TxReplace2[1] = (Byte_t)((ChOff + _TXREP2) >> 8);
279 ChP->TxReplace2[2] = 0;
280 ChP->TxReplace2[3] = 0;
281 rp_writech4(ChP,_INDX_ADDR,*(DWord_t *)&ChP->TxReplace2[0]);
283 ChP->TxFIFOPtrs = ChOff + _TXF_OUTP;
284 ChP->TxFIFO = ChOff + _TX_FIFO;
286 rp_writech1(ChP,_CMD_REG,(Byte_t)ChanNum | RESTXFCNT); /* apply reset Tx FIFO count */
287 rp_writech1(ChP,_CMD_REG,(Byte_t)ChanNum); /* remove reset Tx FIFO count */
288 rp_writech2(ChP,_INDX_ADDR,ChP->TxFIFOPtrs); /* clear Tx in/out ptrs */
289 rp_writech2(ChP,_INDX_DATA,0);
290 ChP->RxFIFOPtrs = ChOff + _RXF_OUTP;
291 ChP->RxFIFO = ChOff + _RX_FIFO;
293 rp_writech1(ChP,_CMD_REG,(Byte_t)ChanNum | RESRXFCNT); /* apply reset Rx FIFO count */
294 rp_writech1(ChP,_CMD_REG,(Byte_t)ChanNum); /* remove reset Rx FIFO count */
295 rp_writech2(ChP,_INDX_ADDR,ChP->RxFIFOPtrs); /* clear Rx out ptr */
296 rp_writech2(ChP,_INDX_DATA,0);
297 rp_writech2(ChP,_INDX_ADDR,ChP->RxFIFOPtrs + 2); /* clear Rx in ptr */
298 rp_writech2(ChP,_INDX_DATA,0);
299 ChP->TxPrioCnt = ChOff + _TXP_CNT;
300 rp_writech2(ChP,_INDX_ADDR,ChP->TxPrioCnt);
301 rp_writech1(ChP,_INDX_DATA,0);
302 ChP->TxPrioPtr = ChOff + _TXP_PNTR;
303 rp_writech2(ChP,_INDX_ADDR,ChP->TxPrioPtr);
304 rp_writech1(ChP,_INDX_DATA,0);
305 ChP->TxPrioBuf = ChOff + _TXP_BUF;
306 sEnRxProcessor(ChP); /* start the Rx processor */
311 /***************************************************************************
312 Function: sStopRxProcessor
313 Purpose: Stop the receive processor from processing a channel.
314 Call: sStopRxProcessor(ChP)
315 CHANNEL_T *ChP; Ptr to channel structure
317 Comments: The receive processor can be started again with sStartRxProcessor().
318 This function causes the receive processor to skip over the
319 stopped channel. It does not stop it from processing other channels.
321 Warnings: No context switches are allowed while executing this function.
323 Do not leave the receive processor stopped for more than one
326 After calling this function a delay of 4 uS is required to ensure
327 that the receive processor is no longer processing this channel.
329 void sStopRxProcessor(CHANNEL_T *ChP)
337 rp_writech4(ChP, _INDX_ADDR,*(DWord_t *)&R[0]);
340 /***************************************************************************
341 Function: sFlushRxFIFO
342 Purpose: Flush the Rx FIFO
343 Call: sFlushRxFIFO(ChP)
344 CHANNEL_T *ChP; Ptr to channel structure
346 Comments: To prevent data from being enqueued or dequeued in the Tx FIFO
347 while it is being flushed the receive processor is stopped
348 and the transmitter is disabled. After these operations a
349 4 uS delay is done before clearing the pointers to allow
350 the receive processor to stop. These items are handled inside
352 Warnings: No context switches are allowed while executing this function.
354 void sFlushRxFIFO(CHANNEL_T *ChP)
357 Byte_t Ch; /* channel number within AIOP */
358 int RxFIFOEnabled; /* TRUE if Rx FIFO enabled */
360 if(sGetRxCnt(ChP) == 0) /* Rx FIFO empty */
361 return; /* don't need to flush */
363 RxFIFOEnabled = FALSE;
364 if(ChP->R[0x32] == 0x08) /* Rx FIFO is enabled */
366 RxFIFOEnabled = TRUE;
367 sDisRxFIFO(ChP); /* disable it */
368 for(i=0; i < 2000/200; i++) /* delay 2 uS to allow proc to disable FIFO*/
369 rp_readch1(ChP,_INT_CHAN); /* depends on bus i/o timing */
371 sGetChanStatus(ChP); /* clear any pending Rx errors in chan stat */
372 Ch = (Byte_t)sGetChanNum(ChP);
373 rp_writech1(ChP,_CMD_REG,Ch | RESRXFCNT); /* apply reset Rx FIFO count */
374 rp_writech1(ChP,_CMD_REG,Ch); /* remove reset Rx FIFO count */
375 rp_writech2(ChP,_INDX_ADDR,ChP->RxFIFOPtrs); /* clear Rx out ptr */
376 rp_writech2(ChP,_INDX_DATA,0);
377 rp_writech2(ChP,_INDX_ADDR,ChP->RxFIFOPtrs + 2); /* clear Rx in ptr */
378 rp_writech2(ChP,_INDX_DATA,0);
380 sEnRxFIFO(ChP); /* enable Rx FIFO */
383 /***************************************************************************
384 Function: sFlushTxFIFO
385 Purpose: Flush the Tx FIFO
386 Call: sFlushTxFIFO(ChP)
387 CHANNEL_T *ChP; Ptr to channel structure
389 Comments: To prevent data from being enqueued or dequeued in the Tx FIFO
390 while it is being flushed the receive processor is stopped
391 and the transmitter is disabled. After these operations a
392 4 uS delay is done before clearing the pointers to allow
393 the receive processor to stop. These items are handled inside
395 Warnings: No context switches are allowed while executing this function.
397 void sFlushTxFIFO(CHANNEL_T *ChP)
400 Byte_t Ch; /* channel number within AIOP */
401 int TxEnabled; /* TRUE if transmitter enabled */
403 if(sGetTxCnt(ChP) == 0) /* Tx FIFO empty */
404 return; /* don't need to flush */
407 if(ChP->TxControl[3] & TX_ENABLE)
410 sDisTransmit(ChP); /* disable transmitter */
412 sStopRxProcessor(ChP); /* stop Rx processor */
413 for(i = 0; i < 4000/200; i++) /* delay 4 uS to allow proc to stop */
414 rp_readch1(ChP,_INT_CHAN); /* depends on bus i/o timing */
415 Ch = (Byte_t)sGetChanNum(ChP);
416 rp_writech1(ChP,_CMD_REG,Ch | RESTXFCNT); /* apply reset Tx FIFO count */
417 rp_writech1(ChP,_CMD_REG,Ch); /* remove reset Tx FIFO count */
418 rp_writech2(ChP,_INDX_ADDR,ChP->TxFIFOPtrs); /* clear Tx in/out ptrs */
419 rp_writech2(ChP,_INDX_DATA,0);
421 sEnTransmit(ChP); /* enable transmitter */
422 sStartRxProcessor(ChP); /* restart Rx processor */
425 /***************************************************************************
426 Function: sWriteTxPrioByte
427 Purpose: Write a byte of priority transmit data to a channel
428 Call: sWriteTxPrioByte(ChP,Data)
429 CHANNEL_T *ChP; Ptr to channel structure
430 Byte_t Data; The transmit data byte
432 Return: int: 1 if the bytes is successfully written, otherwise 0.
434 Comments: The priority byte is transmitted before any data in the Tx FIFO.
436 Warnings: No context switches are allowed while executing this function.
438 int sWriteTxPrioByte(CHANNEL_T *ChP, Byte_t Data)
440 Byte_t DWBuf[4]; /* buffer for double word writes */
441 Word_t *WordPtr; /* must be far because Win SS != DS */
443 if(sGetTxCnt(ChP) > 1) /* write it to Tx priority buffer */
445 rp_writech2(ChP,_INDX_ADDR,ChP->TxPrioCnt); /* get priority buffer status */
446 if(rp_readch1(ChP,_INDX_DATA) & PRI_PEND) /* priority buffer busy */
447 return(0); /* nothing sent */
449 WordPtr = (Word_t *)(&DWBuf[0]);
450 *WordPtr = ChP->TxPrioBuf; /* data byte address */
452 DWBuf[2] = Data; /* data byte value */
453 rp_writech4(ChP,_INDX_ADDR,*((DWord_t *)(&DWBuf[0]))); /* write it out */
455 *WordPtr = ChP->TxPrioCnt; /* Tx priority count address */
457 DWBuf[2] = PRI_PEND + 1; /* indicate 1 byte pending */
458 DWBuf[3] = 0; /* priority buffer pointer */
459 rp_writech4(ChP,_INDX_ADDR,*((DWord_t *)(&DWBuf[0]))); /* write it out */
461 else /* write it to Tx FIFO */
463 sWriteTxByte(ChP,sGetTxRxDataIO(ChP),Data);
465 return(1); /* 1 byte sent */
468 /***************************************************************************
469 Function: sEnInterrupts
470 Purpose: Enable one or more interrupts for a channel
471 Call: sEnInterrupts(ChP,Flags)
472 CHANNEL_T *ChP; Ptr to channel structure
473 Word_t Flags: Interrupt enable flags, can be any combination
474 of the following flags:
475 TXINT_EN: Interrupt on Tx FIFO empty
476 RXINT_EN: Interrupt on Rx FIFO at trigger level (see
478 SRCINT_EN: Interrupt on SRC (Special Rx Condition)
479 MCINT_EN: Interrupt on modem input change
480 CHANINT_EN: Allow channel interrupt signal to the AIOP's
481 Interrupt Channel Register.
483 Comments: If an interrupt enable flag is set in Flags, that interrupt will be
484 enabled. If an interrupt enable flag is not set in Flags, that
485 interrupt will not be changed. Interrupts can be disabled with
486 function sDisInterrupts().
488 This function sets the appropriate bit for the channel in the AIOP's
489 Interrupt Mask Register if the CHANINT_EN flag is set. This allows
490 this channel's bit to be set in the AIOP's Interrupt Channel Register.
492 Interrupts must also be globally enabled before channel interrupts
493 will be passed on to the host. This is done with function
496 In some cases it may be desirable to disable interrupts globally but
497 enable channel interrupts. This would allow the global interrupt
498 status register to be used to determine which AIOPs need service.
500 void sEnInterrupts(CHANNEL_T *ChP,Word_t Flags)
502 Byte_t Mask; /* Interrupt Mask Register */
505 ((Byte_t)Flags & (RXINT_EN | SRCINT_EN | MCINT_EN));
507 rp_writech4(ChP,_INDX_ADDR,*(DWord_t *)&ChP->RxControl[0]);
509 ChP->TxControl[2] |= ((Byte_t)Flags & TXINT_EN);
511 rp_writech4(ChP,_INDX_ADDR,*(DWord_t *)&ChP->TxControl[0]);
513 if(Flags & CHANINT_EN)
515 Mask = rp_readch1(ChP,_INT_MASK) | rp_sBitMapSetTbl[ChP->ChanNum];
516 rp_writech1(ChP,_INT_MASK,Mask);
520 /***************************************************************************
521 Function: sDisInterrupts
522 Purpose: Disable one or more interrupts for a channel
523 Call: sDisInterrupts(ChP,Flags)
524 CHANNEL_T *ChP; Ptr to channel structure
525 Word_t Flags: Interrupt flags, can be any combination
526 of the following flags:
527 TXINT_EN: Interrupt on Tx FIFO empty
528 RXINT_EN: Interrupt on Rx FIFO at trigger level (see
530 SRCINT_EN: Interrupt on SRC (Special Rx Condition)
531 MCINT_EN: Interrupt on modem input change
532 CHANINT_EN: Disable channel interrupt signal to the
533 AIOP's Interrupt Channel Register.
535 Comments: If an interrupt flag is set in Flags, that interrupt will be
536 disabled. If an interrupt flag is not set in Flags, that
537 interrupt will not be changed. Interrupts can be enabled with
538 function sEnInterrupts().
540 This function clears the appropriate bit for the channel in the AIOP's
541 Interrupt Mask Register if the CHANINT_EN flag is set. This blocks
542 this channel's bit from being set in the AIOP's Interrupt Channel
545 void sDisInterrupts(CHANNEL_T *ChP,Word_t Flags)
547 Byte_t Mask; /* Interrupt Mask Register */
550 ~((Byte_t)Flags & (RXINT_EN | SRCINT_EN | MCINT_EN));
551 rp_writech4(ChP,_INDX_ADDR,*(DWord_t *)&ChP->RxControl[0]);
552 ChP->TxControl[2] &= ~((Byte_t)Flags & TXINT_EN);
553 rp_writech4(ChP,_INDX_ADDR,*(DWord_t *)&ChP->TxControl[0]);
555 if(Flags & CHANINT_EN)
557 Mask = rp_readch1(ChP,_INT_MASK) & rp_sBitMapClrTbl[ChP->ChanNum];
558 rp_writech1(ChP,_INT_MASK,Mask);
562 /*********************************************************************
563 Begin FreeBsd-specific driver code
564 **********************************************************************/
566 static timeout_t rpdtrwakeup;
568 static d_open_t rpopen;
569 static d_close_t rpclose;
570 static d_write_t rpwrite;
571 static d_ioctl_t rpioctl;
573 #define CDEV_MAJOR 81
574 struct dev_ops rp_ops = {
575 { "rp", CDEV_MAJOR, D_TTY },
582 .d_revoke = ttyrevoke
585 static int rp_num_ports_open = 0;
586 static int rp_ndevs = 0;
587 static int minor_to_unit[128];
588 static int rp_initialized;
589 static struct callout rp_poll_ch;
591 static int rp_num_ports[4]; /* Number of ports on each controller */
593 #define POLL_INTERVAL 1
595 #define CALLOUT_MASK 0x80
596 #define CONTROL_MASK 0x60
597 #define CONTROL_INIT_STATE 0x20
598 #define CONTROL_LOCK_STATE 0x40
599 #define DEV_UNIT(dev) (MINOR_TO_UNIT(minor(dev))
600 #define MINOR_MAGIC_MASK (CALLOUT_MASK | CONTROL_MASK)
601 #define MINOR_MAGIC(dev) ((minor(dev)) & ~MINOR_MAGIC_MASK)
602 #define IS_CALLOUT(dev) (minor(dev) & CALLOUT_MASK)
603 #define IS_CONTROL(dev) (minor(dev) & CONTROL_MASK)
605 #define RP_ISMULTIPORT(dev) ((dev)->id_flags & 0x1)
606 #define RP_MPMASTER(dev) (((dev)->id_flags >> 8) & 0xff)
607 #define RP_NOTAST4(dev) ((dev)->id_flags & 0x04)
609 static struct rp_port *p_rp_addr[4];
610 static struct rp_port *p_rp_table[MAX_RP_PORTS];
611 #define rp_addr(unit) (p_rp_addr[unit])
612 #define rp_table(port) (p_rp_table[port])
615 * The top-level routines begin here
618 static int rpparam (struct tty *, struct termios *);
619 static void rpstart (struct tty *);
620 static void rpstop (struct tty *, int);
621 static void rphardclose (struct rp_port *);
622 static void rp_disc_optim (struct tty *tp, struct termios *t);
625 rp_do_receive(struct rp_port *rp, struct tty *tp,
626 CHANNEL_t *cp, unsigned int ChanStatus)
628 unsigned int CharNStat;
629 int ToRecv, wRecv, ch, ttynocopy;
631 ToRecv = sGetRxCnt(cp);
635 /* If status indicates there are errored characters in the
636 FIFO, then enter status mode (a word in FIFO holds
637 characters and status)
640 if(ChanStatus & (RXFOVERFL | RXBREAK | RXFRAME | RXPARITY)) {
641 if(!(ChanStatus & STATMODE)) {
642 ChanStatus |= STATMODE;
647 if we previously entered status mode then read down the
648 FIFO one word at a time, pulling apart the character and
649 the status. Update error counters depending on status.
651 if(ChanStatus & STATMODE) {
653 if(tp->t_state & TS_TBLOCK) {
656 CharNStat = rp_readch2(cp,sGetTxRxDataIO(cp));
657 ch = CharNStat & 0xff;
659 if((CharNStat & STMBREAK) || (CharNStat & STMFRAMEH))
661 else if (CharNStat & STMPARITYH)
663 else if (CharNStat & STMRCVROVRH)
666 (*linesw[tp->t_line].l_rint)(ch, tp);
670 After emtying FIFO in status mode, turn off status mode
673 if(sGetRxCnt(cp) == 0) {
674 sDisRxStatusMode(cp);
678 * Avoid the grotesquely inefficient lineswitch routine
679 * (ttyinput) in "raw" mode. It usually takes about 450
680 * instructions (that's without canonical processing or echo!).
681 * slinput is reasonably fast (usually 40 instructions plus
684 ToRecv = sGetRxCnt(cp);
685 if ( tp->t_state & TS_CAN_BYPASS_L_RINT ) {
686 if ( ToRecv > RXFIFO_SIZE ) {
687 ToRecv = RXFIFO_SIZE;
691 rp_readmultich2(cp,sGetTxRxDataIO(cp),(u_int16_t *)rp->RxBuf,wRecv);
694 ((unsigned char *)rp->RxBuf)[(ToRecv-1)] = (u_char) rp_readch1(cp,sGetTxRxDataIO(cp));
698 tp->t_rawcc += ToRecv;
699 ttynocopy = b_to_q((char *)rp->RxBuf, ToRecv, &tp->t_rawq);
703 if(tp->t_state & TS_TBLOCK) {
706 ch = (u_char) rp_readch1(cp,sGetTxRxDataIO(cp));
708 (*linesw[tp->t_line].l_rint)(ch, tp);
717 rp_handle_port(struct rp_port *rp)
721 unsigned int IntMask, ChanStatus;
726 cp = &rp->rp_channel;
728 IntMask = sGetChanIntID(cp);
729 IntMask = IntMask & rp->rp_intmask;
730 ChanStatus = sGetChanStatus(cp);
731 if(IntMask & RXF_TRIG)
732 if(!(tp->t_state & TS_TBLOCK) && (tp->t_state & TS_CARR_ON) && (tp->t_state & TS_ISOPEN)) {
733 rp_do_receive(rp, tp, cp, ChanStatus);
735 if(IntMask & DELTA_CD) {
736 if(ChanStatus & CD_ACT) {
737 if(!(tp->t_state & TS_CARR_ON) ) {
738 (void)(*linesw[tp->t_line].l_modem)(tp, 1);
741 if((tp->t_state & TS_CARR_ON)) {
742 (void)(*linesw[tp->t_line].l_modem)(tp, 0);
743 if((*linesw[tp->t_line].l_modem)(tp, 0) == 0) {
749 /* oldcts = rp->rp_cts;
750 rp->rp_cts = ((ChanStatus & CTS_ACT) != 0);
751 if(oldcts != rp->rp_cts) {
752 kprintf("CTS change (now %s)... on port %d\n", rp->rp_cts ? "on" : "off", rp->rp_port);
757 static void rp_do_poll(void *not_used)
762 int unit, aiop, ch, line, count;
763 unsigned char CtlMask, AiopMask;
765 for(unit = 0; unit < rp_ndevs; unit++) {
768 CtlMask = ctl->ctlmask(ctl);
769 for(aiop=0; CtlMask; CtlMask >>=1, aiop++) {
771 AiopMask = sGetAiopIntStatus(ctl, aiop);
772 for(ch = 0; AiopMask; AiopMask >>=1, ch++) {
774 line = (unit << 5) | (aiop << 3) | ch;
782 for(line = 0, rp = rp_addr(unit); line < rp_num_ports[unit];
785 if((tp->t_state & TS_BUSY) && (tp->t_state & TS_ISOPEN)) {
786 count = sGetTxCnt(&rp->rp_channel);
788 tp->t_state &= ~(TS_BUSY);
789 if(!(tp->t_state & TS_TTSTOP) &&
790 (count <= rp->rp_restart)) {
791 (*linesw[tp->t_line].l_start)(tp);
796 if(rp_num_ports_open)
797 callout_reset(&rp_poll_ch, POLL_INTERVAL, rp_do_poll, NULL);
801 rp_attachcommon(CONTROLLER_T *ctlp, int num_aiops, int num_ports)
805 int aiop, chan, port;
806 int ChanStatus, line, i, count;
811 unit = device_get_unit(ctlp->dev);
813 kprintf("RocketPort%d (Version %s) %d ports.\n", unit,
814 RocketPortVersion, num_ports);
815 rp_num_ports[unit] = num_ports;
817 ctlp->rp = rp = kmalloc(sizeof(struct rp_port) * num_ports,
818 M_TTYS, M_WAITOK | M_ZERO);
820 count = unit * 32; /* board times max ports per card SG */
821 for(i=count;i < (count + rp_num_ports[unit]);i++)
822 minor_to_unit[i] = unit;
824 ctlp->tty = tty = kmalloc(sizeof(struct tty) * num_ports,
825 M_TTYS, M_WAITOK | M_ZERO);
831 for (i = 0 ; i < rp_num_ports[unit] ; i++) {
832 make_dev(&rp_ops, ((unit + 1) << 16) | i,
833 UID_ROOT, GID_WHEEL, 0666, "ttyR%c",
834 i <= 9 ? '0' + i : 'a' + i - 10);
835 make_dev(&rp_ops, ((unit + 1) << 16) | i | 0x20,
836 UID_ROOT, GID_WHEEL, 0666, "ttyiR%c",
837 i <= 9 ? '0' + i : 'a' + i - 10);
838 make_dev(&rp_ops, ((unit + 1) << 16) | i | 0x40,
839 UID_ROOT, GID_WHEEL, 0666, "ttylR%c",
840 i <= 9 ? '0' + i : 'a' + i - 10);
841 make_dev(&rp_ops, ((unit + 1) << 16) | i | 0x80,
842 UID_ROOT, GID_WHEEL, 0666, "cuaR%c",
843 i <= 9 ? '0' + i : 'a' + i - 10);
844 make_dev(&rp_ops, ((unit + 1) << 16) | i | 0xa0,
845 UID_ROOT, GID_WHEEL, 0666, "cuaiR%c",
846 i <= 9 ? '0' + i : 'a' + i - 10);
847 make_dev(&rp_ops, ((unit + 1) << 16) | i | 0xc0,
848 UID_ROOT, GID_WHEEL, 0666, "cualR%c",
849 i <= 9 ? '0' + i : 'a' + i - 10);
853 for(aiop=0; aiop < num_aiops; aiop++) {
854 num_chan = sGetAiopNumChan(ctlp, aiop);
855 for(chan=0; chan < num_chan; chan++, port++, rp++, tty++) {
864 /* tty->t_termios = deftermios;
866 rp->dtr_wait = 3 * hz;
867 rp->it_in.c_iflag = 0;
868 rp->it_in.c_oflag = 0;
869 rp->it_in.c_cflag = TTYDEF_CFLAG;
870 rp->it_in.c_lflag = 0;
871 termioschars(&rp->it_in);
872 /* termioschars(&tty->t_termios);
874 rp->it_in.c_ispeed = rp->it_in.c_ospeed = TTYDEF_SPEED;
875 rp->it_out = rp->it_in;
877 rp->rp_intmask = RXF_TRIG | TXFIFO_MT | SRC_INT |
878 DELTA_CD | DELTA_CTS | DELTA_DSR;
880 ChanStatus = sGetChanStatus(&rp->rp_channel);
882 if(sInitChan(ctlp, &rp->rp_channel, aiop, chan) == 0) {
883 device_printf(ctlp->dev, "RocketPort sInitChan(%d, %d, %d) failed.\n",
888 ChanStatus = sGetChanStatus(&rp->rp_channel);
889 rp->rp_cts = (ChanStatus & CTS_ACT) != 0;
890 line = (unit << 5) | (aiop << 3) | chan;
899 rp_releaseresource(ctlp);
905 rp_releaseresource(CONTROLLER_t *ctlp)
909 unit = device_get_unit(ctlp->dev);
911 if (ctlp->rp != NULL) {
913 for (i = 0 ; i < sizeof(p_rp_addr) / sizeof(*p_rp_addr) ; i++)
914 if (p_rp_addr[i] == ctlp->rp)
916 for (i = 0 ; i < sizeof(p_rp_table) / sizeof(*p_rp_table) ; i++)
917 if (p_rp_table[i] == ctlp->rp)
918 p_rp_table[i] = NULL;
920 kfree(ctlp->rp, M_DEVBUF);
923 if (ctlp->tty != NULL) {
924 kfree(ctlp->tty, M_DEVBUF);
927 if (ctlp->dev != NULL)
929 dev_ops_remove_minor(&rp_ops, /*0xffff0000, */(unit + 1) << 16);
933 rpopen(struct dev_open_args *ap)
935 cdev_t dev = ap->a_head.a_dev;
937 int unit, port, mynor, umynor, flags; /* SG */
940 unsigned int IntMask, ChanStatus;
942 if (!rp_initialized) {
944 callout_init(&rp_poll_ch);
947 umynor = (((minor(dev) >> 16) -1) * 32); /* SG */
948 port = (minor(dev) & 0x1f); /* SG */
949 mynor = (port + umynor); /* SG */
950 unit = minor_to_unit[mynor];
951 if (rp_addr(unit) == NULL)
955 rp = rp_addr(unit) + port;
956 /* rp->rp_tty = &rp_tty[rp->rp_port];
958 callout_init(&rp->wakeup_callout);
965 while(rp->state & ~SET_DTR) {
966 error = tsleep(&rp->dtr_wait, PCATCH, "rpdtr", 0);
971 if(tp->t_state & TS_ISOPEN) {
972 if(IS_CALLOUT(dev)) {
973 if(!rp->active_out) {
979 if(ap->a_oflags & O_NONBLOCK) {
983 error = tsleep(&rp->active_out,
990 if(tp->t_state & TS_XCLUDE && priv_check_cred(ap->a_cred, PRIV_ROOT, 0) != 0) {
998 tp->t_param = rpparam;
999 tp->t_oproc = rpstart;
1000 tp->t_stop = rpstop;
1002 tp->t_termios = IS_CALLOUT(dev) ? rp->it_out : rp->it_in;
1003 tp->t_ififosize = 512;
1004 tp->t_ispeedwat = (speed_t)-1;
1005 tp->t_ospeedwat = (speed_t)-1;
1009 rp->rp_channel.TxControl[3] =
1010 ((rp->rp_channel.TxControl[3]
1011 & ~(SET_RTS | SET_DTR)) | flags);
1012 rp_writech4(&rp->rp_channel,_INDX_ADDR,
1013 *(DWord_t *) &(rp->rp_channel.TxControl[0]));
1014 sSetRxTrigger(&rp->rp_channel, TRIG_1);
1015 sDisRxStatusMode(&rp->rp_channel);
1016 sFlushRxFIFO(&rp->rp_channel);
1017 sFlushTxFIFO(&rp->rp_channel);
1019 sEnInterrupts(&rp->rp_channel,
1020 (TXINT_EN|MCINT_EN|RXINT_EN|SRCINT_EN|CHANINT_EN));
1021 sSetRxTrigger(&rp->rp_channel, TRIG_1);
1023 sDisRxStatusMode(&rp->rp_channel);
1024 sClrTxXOFF(&rp->rp_channel);
1026 /* sDisRTSFlowCtl(&rp->rp_channel);
1027 sDisCTSFlowCtl(&rp->rp_channel);
1029 sDisTxSoftFlowCtl(&rp->rp_channel);
1031 sStartRxProcessor(&rp->rp_channel);
1033 sEnRxFIFO(&rp->rp_channel);
1034 sEnTransmit(&rp->rp_channel);
1036 /* sSetDTR(&rp->rp_channel);
1037 sSetRTS(&rp->rp_channel);
1041 error = rpparam(tp, &tp->t_termios);
1048 rp_num_ports_open++;
1050 IntMask = sGetChanIntID(&rp->rp_channel);
1051 IntMask = IntMask & rp->rp_intmask;
1052 ChanStatus = sGetChanStatus(&rp->rp_channel);
1053 if((IntMask & DELTA_CD) || IS_CALLOUT(dev)) {
1054 if((ChanStatus & CD_ACT) || IS_CALLOUT(dev)) {
1055 (void)(*linesw[tp->t_line].l_modem)(tp, 1);
1059 if(rp_num_ports_open == 1)
1060 callout_reset(&rp_poll_ch, POLL_INTERVAL, rp_do_poll, NULL);
1064 if(!(ap->a_oflags&O_NONBLOCK) && !(tp->t_cflag&CLOCAL) &&
1065 !(tp->t_state & TS_CARR_ON) && !(IS_CALLOUT(dev))) {
1067 error = tsleep(TSA_CARR_ON(tp), PCATCH, "rpdcd", 0);
1073 error = (*linesw[tp->t_line].l_open)(dev, tp);
1075 rp_disc_optim(tp, &tp->t_termios);
1076 if(tp->t_state & TS_ISOPEN && IS_CALLOUT(dev))
1077 rp->active_out = TRUE;
1079 /* if(rp_num_ports_open == 1)
1080 callout_reset(&rp_poll_ch, POLL_INTERVAL, rp_do_poll, NULL);
1084 if(!(tp->t_state & TS_ISOPEN) && rp->wopeners == 0) {
1089 device_busy(rp->rp_ctlp->dev);
1094 rpclose(struct dev_close_args *ap)
1096 cdev_t dev = ap->a_head.a_dev;
1097 int unit, mynor, umynor, port; /* SG */
1102 umynor = (((minor(dev) >> 16) -1) * 32); /* SG */
1103 port = (minor(dev) & 0x1f); /* SG */
1104 mynor = (port + umynor); /* SG */
1105 unit = minor_to_unit[mynor]; /* SG */
1109 rp = rp_addr(unit) + port;
1110 cp = &rp->rp_channel;
1114 (*linesw[tp->t_line].l_close)(tp, ap->a_fflag);
1115 rp_disc_optim(tp, &tp->t_termios);
1116 rpstop(tp, FREAD | FWRITE);
1119 tp->t_state &= ~TS_BUSY;
1124 device_unbusy(rp->rp_ctlp->dev);
1130 rphardclose(struct rp_port *rp)
1136 cp = &rp->rp_channel;
1138 mynor = MINOR_MAGIC(tp->t_dev);
1143 sDisInterrupts(cp, TXINT_EN|MCINT_EN|RXINT_EN|SRCINT_EN|CHANINT_EN);
1146 sDisTxSoftFlowCtl(cp);
1149 if(tp->t_cflag&HUPCL || !(tp->t_state&TS_ISOPEN) || !rp->active_out) {
1152 if(IS_CALLOUT(tp->t_dev)) {
1155 if(rp->dtr_wait != 0) {
1156 callout_reset(&rp->wakeup_callout, rp->dtr_wait,
1158 rp->state |= ~SET_DTR;
1161 rp->active_out = FALSE;
1162 wakeup(&rp->active_out);
1163 wakeup(TSA_CARR_ON(tp));
1168 rpwrite(struct dev_write_args *ap)
1170 cdev_t dev = ap->a_head.a_dev;
1173 int unit, mynor, port, umynor, error = 0; /* SG */
1175 umynor = (((minor(dev) >> 16) -1) * 32); /* SG */
1176 port = (minor(dev) & 0x1f); /* SG */
1177 mynor = (port + umynor); /* SG */
1178 unit = minor_to_unit[mynor]; /* SG */
1182 rp = rp_addr(unit) + port;
1184 while(rp->rp_disable_writes) {
1186 error = ttysleep(tp, (caddr_t)rp, PCATCH, "rp_write", 0);
1191 error = (*linesw[tp->t_line].l_write)(tp, ap->a_uio, ap->a_ioflag);
1196 rpdtrwakeup(void *chan)
1200 rp = (struct rp_port *)chan;
1201 rp->state &= SET_DTR;
1202 wakeup(&rp->dtr_wait);
1206 rpioctl(struct dev_ioctl_args *ap)
1208 cdev_t dev = ap->a_head.a_dev;
1209 u_long cmd = ap->a_cmd;
1210 caddr_t data = ap->a_data;
1214 int unit, mynor, port, umynor; /* SG */
1216 int arg, flags, result, ChanStatus;
1219 umynor = (((minor(dev) >> 16) -1) * 32); /* SG */
1220 port = (minor(dev) & 0x1f); /* SG */
1221 mynor = (port + umynor); /* SG */
1222 unit = minor_to_unit[mynor];
1223 rp = rp_addr(unit) + port;
1225 if(IS_CONTROL(dev)) {
1228 switch (IS_CONTROL(dev)) {
1229 case CONTROL_INIT_STATE:
1230 ct = IS_CALLOUT(dev) ? &rp->it_out : &rp->it_in;
1232 case CONTROL_LOCK_STATE:
1233 ct = IS_CALLOUT(dev) ? &rp->lt_out : &rp->lt_in;
1236 return(ENODEV); /* /dev/nodev */
1240 error = priv_check_cred(ap->a_cred, PRIV_ROOT, 0);
1243 *ct = *(struct termios *)data;
1246 *(struct termios *)data = *ct;
1249 *(int *)data = TTYDISC;
1252 bzero(data, sizeof(struct winsize));
1260 cp = &rp->rp_channel;
1262 #if defined(COMPAT_43) || defined(COMPAT_SUNOS)
1263 term = tp->t_termios;
1265 error = ttsetcompat(tp, &cmd, data, &term);
1269 data = (caddr_t)&term;
1272 if((cmd == TIOCSETA) || (cmd == TIOCSETAW) || (cmd == TIOCSETAF)) {
1274 struct termios *dt = (struct termios *)data;
1275 struct termios *lt = IS_CALLOUT(dev)
1276 ? &rp->lt_out : &rp->lt_in;
1278 dt->c_iflag = (tp->t_iflag & lt->c_iflag)
1279 | (dt->c_iflag & ~lt->c_iflag);
1280 dt->c_oflag = (tp->t_oflag & lt->c_oflag)
1281 | (dt->c_oflag & ~lt->c_oflag);
1282 dt->c_cflag = (tp->t_cflag & lt->c_cflag)
1283 | (dt->c_cflag & ~lt->c_cflag);
1284 dt->c_lflag = (tp->t_lflag & lt->c_lflag)
1285 | (dt->c_lflag & ~lt->c_lflag);
1286 for(cc = 0; cc < NCCS; ++cc)
1287 if(lt->c_cc[cc] != 0)
1288 dt->c_cc[cc] = tp->t_cc[cc];
1289 if(lt->c_ispeed != 0)
1290 dt->c_ispeed = tp->t_ispeed;
1291 if(lt->c_ospeed != 0)
1292 dt->c_ospeed = tp->t_ospeed;
1297 error = (*linesw[tp->t_line].l_ioctl)(tp, cmd, data,
1298 ap->a_fflag, ap->a_cred);
1299 if(error != ENOIOCTL) {
1304 flags = rp->rp_channel.TxControl[3];
1306 error = ttioctl(tp, cmd, data, ap->a_fflag);
1307 flags = rp->rp_channel.TxControl[3];
1308 rp_disc_optim(tp, &tp->t_termios);
1309 if(error != ENOIOCTL) {
1315 sSendBreak(&rp->rp_channel);
1319 sClrBreak(&rp->rp_channel);
1323 sSetDTR(&rp->rp_channel);
1324 sSetRTS(&rp->rp_channel);
1328 sClrDTR(&rp->rp_channel);
1332 arg = *(int *) data;
1338 rp->rp_channel.TxControl[3] =
1339 ((rp->rp_channel.TxControl[3]
1340 & ~(SET_RTS | SET_DTR)) | flags);
1341 rp_writech4(&rp->rp_channel,_INDX_ADDR,
1342 *(DWord_t *) &(rp->rp_channel.TxControl[0]));
1345 arg = *(int *) data;
1351 rp->rp_channel.TxControl[3] |= flags;
1352 rp_writech4(&rp->rp_channel,_INDX_ADDR,
1353 *(DWord_t *) &(rp->rp_channel.TxControl[0]));
1356 arg = *(int *) data;
1362 rp->rp_channel.TxControl[3] &= ~flags;
1363 rp_writech4(&rp->rp_channel,_INDX_ADDR,
1364 *(DWord_t *) &(rp->rp_channel.TxControl[0]));
1369 ChanStatus = sGetChanStatusLo(&rp->rp_channel);
1370 flags = rp->rp_channel.TxControl[3];
1371 result = TIOCM_LE; /* always on while open for some reason */
1372 result |= (((flags & SET_DTR) ? TIOCM_DTR : 0)
1373 | ((flags & SET_RTS) ? TIOCM_RTS : 0)
1374 | ((ChanStatus & CD_ACT) ? TIOCM_CAR : 0)
1375 | ((ChanStatus & DSR_ACT) ? TIOCM_DSR : 0)
1376 | ((ChanStatus & CTS_ACT) ? TIOCM_CTS : 0));
1378 if(rp->rp_channel.RxControl[2] & RTSFC_EN)
1380 result |= TIOCM_RTS;
1383 *(int *)data = result;
1386 error = priv_check_cred(ap->a_cred, PRIV_ROOT, 0);
1391 rp->dtr_wait = *(int *)data * hz/100;
1394 *(int *)data = rp->dtr_wait * 100/hz;
1404 static struct speedtab baud_table[] = {
1405 {B0, 0}, {B50, BRD50}, {B75, BRD75},
1406 {B110, BRD110}, {B134, BRD134}, {B150, BRD150},
1407 {B200, BRD200}, {B300, BRD300}, {B600, BRD600},
1408 {B1200, BRD1200}, {B1800, BRD1800}, {B2400, BRD2400},
1409 {B4800, BRD4800}, {B9600, BRD9600}, {B19200, BRD19200},
1410 {B38400, BRD38400}, {B7200, BRD7200}, {B14400, BRD14400},
1411 {B57600, BRD57600}, {B76800, BRD76800},
1412 {B115200, BRD115200}, {B230400, BRD230400},
1417 rpparam(struct tty *tp, struct termios *t)
1421 int unit, mynor, port, umynor; /* SG */
1422 int cflag, iflag, oflag, lflag;
1429 umynor = (((minor(tp->t_dev) >> 16) -1) * 32); /* SG */
1430 port = (minor(tp->t_dev) & 0x1f); /* SG */
1431 mynor = (port + umynor); /* SG */
1433 unit = minor_to_unit[mynor];
1434 rp = rp_addr(unit) + port;
1435 cp = &rp->rp_channel;
1440 devshift = umynor / 32;
1441 devshift = 1 << devshift;
1442 if ( devshift & RPCLOCAL ) {
1450 ospeed = ttspeedtab(t->c_ispeed, baud_table);
1451 if(ospeed < 0 || t->c_ispeed != t->c_ospeed)
1454 tp->t_ispeed = t->c_ispeed;
1455 tp->t_ospeed = t->c_ospeed;
1456 tp->t_cflag = cflag;
1457 tp->t_iflag = iflag;
1458 tp->t_oflag = oflag;
1459 tp->t_lflag = lflag;
1461 if(t->c_ospeed == 0) {
1465 rp->rp_fifo_lw = ((t->c_ospeed*2) / 1000) +1;
1467 /* Set baud rate ----- we only pay attention to ispeed */
1470 sSetBaud(cp, ospeed);
1472 if(cflag & CSTOPB) {
1478 if(cflag & PARENB) {
1480 if(cflag & PARODD) {
1489 if((cflag & CSIZE) == CS8) {
1491 rp->rp_imask = 0xFF;
1494 rp->rp_imask = 0x7F;
1497 if(iflag & ISTRIP) {
1498 rp->rp_imask &= 0x7F;
1501 if(cflag & CLOCAL) {
1502 rp->rp_intmask &= ~DELTA_CD;
1504 rp->rp_intmask |= DELTA_CD;
1507 /* Put flow control stuff here */
1509 if(cflag & CCTS_OFLOW) {
1515 if(cflag & CRTS_IFLOW) {
1516 rp->rp_rts_iflow = 1;
1518 rp->rp_rts_iflow = 0;
1521 if(cflag & CRTS_IFLOW) {
1526 rp_disc_optim(tp, t);
1528 if((cflag & CLOCAL) || (sGetChanStatusLo(cp) & CD_ACT)) {
1529 tp->t_state |= TS_CARR_ON;
1530 wakeup(TSA_CARR_ON(tp));
1533 /* tp->t_state |= TS_CAN_BYPASS_L_RINT;
1534 flags = rp->rp_channel.TxControl[3];
1546 rp_disc_optim(struct tty *tp, struct termios *t)
1548 if(!(t->c_iflag & (ICRNL | IGNCR | IMAXBEL | INLCR | ISTRIP | IXON))
1549 &&(!(t->c_iflag & BRKINT) || (t->c_iflag & IGNBRK))
1550 &&(!(t->c_iflag & PARMRK)
1551 ||(t->c_iflag & (IGNPAR | IGNBRK)) == (IGNPAR | IGNBRK))
1552 && !(t->c_lflag & (ECHO | ICANON | IEXTEN | ISIG | PENDIN))
1553 && linesw[tp->t_line].l_rint == ttyinput)
1554 tp->t_state |= TS_CAN_BYPASS_L_RINT;
1556 tp->t_state &= ~TS_CAN_BYPASS_L_RINT;
1560 rpstart(struct tty *tp)
1565 int unit, mynor, port, umynor; /* SG */
1571 umynor = (((minor(tp->t_dev) >> 16) -1) * 32); /* SG */
1572 port = (minor(tp->t_dev) & 0x1f); /* SG */
1573 mynor = (port + umynor); /* SG */
1574 unit = minor_to_unit[mynor];
1575 rp = rp_addr(unit) + port;
1576 cp = &rp->rp_channel;
1577 flags = rp->rp_channel.TxControl[3];
1580 if(tp->t_state & (TS_TIMEOUT | TS_TTSTOP)) {
1585 if(rp->rp_xmit_stopped) {
1587 rp->rp_xmit_stopped = 0;
1589 count = sGetTxCnt(cp);
1591 if(tp->t_outq.c_cc == 0) {
1592 if((tp->t_state & TS_BUSY) && (count == 0)) {
1593 tp->t_state &= ~TS_BUSY;
1599 xmit_fifo_room = TXFIFO_SIZE - sGetTxCnt(cp);
1601 if(xmit_fifo_room > 0 && qp->c_cc > 0) {
1602 tp->t_state |= TS_BUSY;
1603 count = q_to_b( qp, (char *)rp->TxBuf, xmit_fifo_room );
1604 wcount = count >> 1;
1606 rp_writemultich2(cp, sGetTxRxDataIO(cp), (u_int16_t *)rp->TxBuf, wcount);
1609 rp_writech1(cp, sGetTxRxDataIO(cp),
1610 ((unsigned char *)(rp->TxBuf))[(count-1)]);
1613 rp->rp_restart = (qp->c_cc > 0) ? rp->rp_fifo_lw : 0;
1621 rpstop(struct tty *tp, int flag)
1625 int unit, mynor, port, umynor; /* SG */
1627 umynor = (((minor(tp->t_dev) >> 16) -1) * 32); /* SG */
1628 port = (minor(tp->t_dev) & 0x1f); /* SG */
1629 mynor = (port + umynor); /* SG */
1630 unit = minor_to_unit[mynor];
1631 rp = rp_addr(unit) + port;
1632 cp = &rp->rp_channel;
1636 if(tp->t_state & TS_BUSY) {
1637 if((tp->t_state&TS_TTSTOP) == 0) {
1640 if(rp->rp_xmit_stopped == 0) {
1642 rp->rp_xmit_stopped = 1;