2 * Copyright (c) Comtrol Corporation <support@comtrol.com>
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32 * $FreeBSD: src/sys/i386/isa/rp.c,v 1.33.2.2 2001/02/26 04:23:10 jlemon Exp $
36 * rp.c - for RocketPort FreeBSD
39 #include "opt_compat.h"
41 #include <sys/param.h>
42 #include <sys/systm.h>
43 #include <sys/fcntl.h>
44 #include <sys/malloc.h>
48 #include <sys/kernel.h>
50 #include <i386/isa/isa_device.h>
52 #include <pci/pcivar.h>
55 #include <i386/isa/rpreg.h>
56 #include <i386/isa/rpvar.h>
66 static Byte_t RData[RDATASIZE] =
68 0x00, 0x09, 0xf6, 0x82,
69 0x02, 0x09, 0x86, 0xfb,
70 0x04, 0x09, 0x00, 0x0a,
71 0x06, 0x09, 0x01, 0x0a,
72 0x08, 0x09, 0x8a, 0x13,
73 0x0a, 0x09, 0xc5, 0x11,
74 0x0c, 0x09, 0x86, 0x85,
75 0x0e, 0x09, 0x20, 0x0a,
76 0x10, 0x09, 0x21, 0x0a,
77 0x12, 0x09, 0x41, 0xff,
78 0x14, 0x09, 0x82, 0x00,
79 0x16, 0x09, 0x82, 0x7b,
80 0x18, 0x09, 0x8a, 0x7d,
81 0x1a, 0x09, 0x88, 0x81,
82 0x1c, 0x09, 0x86, 0x7a,
83 0x1e, 0x09, 0x84, 0x81,
84 0x20, 0x09, 0x82, 0x7c,
85 0x22, 0x09, 0x0a, 0x0a
88 static Byte_t RRegData[RREGDATASIZE]=
90 0x00, 0x09, 0xf6, 0x82, /* 00: Stop Rx processor */
91 0x08, 0x09, 0x8a, 0x13, /* 04: Tx software flow control */
92 0x0a, 0x09, 0xc5, 0x11, /* 08: XON char */
93 0x0c, 0x09, 0x86, 0x85, /* 0c: XANY */
94 0x12, 0x09, 0x41, 0xff, /* 10: Rx mask char */
95 0x14, 0x09, 0x82, 0x00, /* 14: Compare/Ignore #0 */
96 0x16, 0x09, 0x82, 0x7b, /* 18: Compare #1 */
97 0x18, 0x09, 0x8a, 0x7d, /* 1c: Compare #2 */
98 0x1a, 0x09, 0x88, 0x81, /* 20: Interrupt #1 */
99 0x1c, 0x09, 0x86, 0x7a, /* 24: Ignore/Replace #1 */
100 0x1e, 0x09, 0x84, 0x81, /* 28: Interrupt #2 */
101 0x20, 0x09, 0x82, 0x7c, /* 2c: Ignore/Replace #2 */
102 0x22, 0x09, 0x0a, 0x0a /* 30: Rx FIFO Enable */
105 static CONTROLLER_T sController[CTL_SIZE] =
107 {-1,-1,0,0,0,0,0,0,0,0,0,{0,0,0,0},{0,0,0,0},{-1,-1,-1,-1},{0,0,0,0}},
108 {-1,-1,0,0,0,0,0,0,0,0,0,{0,0,0,0},{0,0,0,0},{-1,-1,-1,-1},{0,0,0,0}},
109 {-1,-1,0,0,0,0,0,0,0,0,0,{0,0,0,0},{0,0,0,0},{-1,-1,-1,-1},{0,0,0,0}},
110 {-1,-1,0,0,0,0,0,0,0,0,0,{0,0,0,0},{0,0,0,0},{-1,-1,-1,-1},{0,0,0,0}}
114 /* IRQ number to MUDBAC register 2 mapping */
117 0,0,0,0x10,0x20,0x30,0,0,0,0x40,0x50,0x60,0x70,0,0,0x80
121 static Byte_t sBitMapClrTbl[8] =
123 0xfe,0xfd,0xfb,0xf7,0xef,0xdf,0xbf,0x7f
126 static Byte_t sBitMapSetTbl[8] =
128 0x01,0x02,0x04,0x08,0x10,0x20,0x40,0x80
131 /***************************************************************************
132 Function: sInitController
133 Purpose: Initialization of controller global registers and controller
135 Call: sInitController(CtlP,CtlNum,MudbacIO,AiopIOList,AiopIOListSize,
136 IRQNum,Frequency,PeriodicOnly)
137 CONTROLLER_T *CtlP; Ptr to controller structure
138 int CtlNum; Controller number
139 ByteIO_t MudbacIO; Mudbac base I/O address.
140 ByteIO_t *AiopIOList; List of I/O addresses for each AIOP.
141 This list must be in the order the AIOPs will be found on the
142 controller. Once an AIOP in the list is not found, it is
143 assumed that there are no more AIOPs on the controller.
144 int AiopIOListSize; Number of addresses in AiopIOList
145 int IRQNum; Interrupt Request number. Can be any of the following:
146 0: Disable global interrupts
155 Byte_t Frequency: A flag identifying the frequency
156 of the periodic interrupt, can be any one of the following:
157 FREQ_DIS - periodic interrupt disabled
158 FREQ_137HZ - 137 Hertz
164 If IRQNum is set to 0 the Frequency parameter is
165 overidden, it is forced to a value of FREQ_DIS.
166 int PeriodicOnly: TRUE if all interrupts except the periodic
167 interrupt are to be blocked.
168 FALSE is both the periodic interrupt and
169 other channel interrupts are allowed.
170 If IRQNum is set to 0 the PeriodicOnly parameter is
171 overidden, it is forced to a value of FALSE.
172 Return: int: Number of AIOPs on the controller, or CTLID_NULL if controller
173 initialization failed.
176 If periodic interrupts are to be disabled but AIOP interrupts
177 are allowed, set Frequency to FREQ_DIS and PeriodicOnly to FALSE.
179 If interrupts are to be completely disabled set IRQNum to 0.
181 Setting Frequency to FREQ_DIS and PeriodicOnly to TRUE is an
184 This function performs initialization of global interrupt modes,
185 but it does not actually enable global interrupts. To enable
186 and disable global interrupts use functions sEnGlobalInt() and
187 sDisGlobalInt(). Enabling of global interrupts is normally not
188 done until all other initializations are complete.
190 Even if interrupts are globally enabled, they must also be
191 individually enabled for each channel that is to generate
194 Warnings: No range checking on any of the parameters is done.
196 No context switches are allowed while executing this function.
198 After this function all AIOPs on the controller are disabled,
199 they can be enabled with sEnAiop().
201 int sInitController( CONTROLLER_T *CtlP,
204 ByteIO_t *AiopIOList,
213 CtlP->CtlNum = CtlNum;
214 CtlP->BusType = isISA;
215 CtlP->CtlID = CTLID_0001; /* controller release 1 */
217 CtlP->MBaseIO = MudbacIO;
218 CtlP->MReg1IO = MudbacIO + 1;
219 CtlP->MReg2IO = MudbacIO + 2;
220 CtlP->MReg3IO = MudbacIO + 3;
222 CtlP->MReg2 = 0; /* interrupt disable */
223 CtlP->MReg3 = 0; /* no periodic interrupts */
225 if(sIRQMap[IRQNum] == 0) /* interrupts globally disabled */
227 CtlP->MReg2 = 0; /* interrupt disable */
228 CtlP->MReg3 = 0; /* no periodic interrupts */
232 CtlP->MReg2 = sIRQMap[IRQNum]; /* set IRQ number */
233 CtlP->MReg3 = Frequency; /* set frequency */
234 if(PeriodicOnly) /* periodic interrupt only */
236 CtlP->MReg3 |= PERIODIC_ONLY;
240 sOutB(CtlP->MReg2IO,CtlP->MReg2);
241 sOutB(CtlP->MReg3IO,CtlP->MReg3);
242 sControllerEOI(CtlP); /* clear EOI if warm init */
246 for(i=0; i < AiopIOListSize; i++)
249 CtlP->AiopIO[i] = (WordIO_t)io;
250 CtlP->AiopIntChanIO[i] = io + _INT_CHAN;
251 sOutB(CtlP->MReg2IO,CtlP->MReg2 | (i & 0x03)); /* AIOP index */
252 sOutB(MudbacIO,(Byte_t)(io >> 6)); /* set up AIOP I/O in MUDBAC */
253 sEnAiop(CtlP,i); /* enable the AIOP */
255 CtlP->AiopID[i] = sReadAiopID(io); /* read AIOP ID */
256 if(CtlP->AiopID[i] == AIOPID_NULL) /* if AIOP does not exist */
258 sDisAiop(CtlP,i); /* disable AIOP */
259 break; /* done looking for AIOPs */
262 CtlP->AiopNumChan[i] = sReadAiopNumChan((WordIO_t)io); /* num channels in AIOP */
263 sOutW((WordIO_t)io + _INDX_ADDR,_CLK_PRE); /* clock prescaler */
264 sOutB(io + _INDX_DATA,CLOCK_PRESC);
265 CtlP->NumAiop++; /* bump count of AIOPs */
266 sDisAiop(CtlP,i); /* disable AIOP */
269 if(CtlP->NumAiop == 0)
272 return(CtlP->NumAiop);
275 int sPCIInitController( CONTROLLER_T *CtlP,
277 ByteIO_t *AiopIOList,
286 CtlP->CtlNum = CtlNum;
287 CtlP->BusType = isPCI;
288 CtlP->CtlID = CTLID_0001; /* controller release 1 */
289 CtlP->PCIIO = (WordIO_t)((ByteIO_t)AiopIOList[0] + _PCI_INT_FUNC);
291 sPCIControllerEOI(CtlP);
295 for(i=0; i < AiopIOListSize; i++)
298 CtlP->AiopIO[i] = (WordIO_t)io;
299 CtlP->AiopIntChanIO[i] = io + _INT_CHAN;
301 CtlP->AiopID[i] = sReadAiopID(io); /* read AIOP ID */
302 if(CtlP->AiopID[i] == AIOPID_NULL) /* if AIOP does not exist */
304 break; /* done looking for AIOPs */
307 CtlP->AiopNumChan[i] = sReadAiopNumChan((WordIO_t)io); /* num channels in AIOP */
308 sOutW((WordIO_t)io + _INDX_ADDR,_CLK_PRE); /* clock prescaler */
309 sOutB(io + _INDX_DATA,CLOCK_PRESC);
310 CtlP->NumAiop++; /* bump count of AIOPs */
313 if(CtlP->NumAiop == 0)
316 return(CtlP->NumAiop);
319 /***************************************************************************
320 Function: sReadAiopID
321 Purpose: Read the AIOP idenfication number directly from an AIOP.
322 Call: sReadAiopID(io)
323 ByteIO_t io: AIOP base I/O address
324 Return: int: Flag AIOPID_XXXX if a valid AIOP is found, where X
325 is replace by an identifying number.
326 Flag AIOPID_NULL if no valid AIOP is found
327 Warnings: No context switches are allowed while executing this function.
330 int sReadAiopID(ByteIO_t io)
332 Byte_t AiopID; /* ID byte from AIOP */
334 sOutB(io + _CMD_REG,RESET_ALL); /* reset AIOP */
335 sOutB(io + _CMD_REG,0x0);
336 AiopID = sInB(io + _CHN_STAT0) & 0x07;
339 else /* AIOP does not exist */
343 /***************************************************************************
344 Function: sReadAiopNumChan
345 Purpose: Read the number of channels available in an AIOP directly from
347 Call: sReadAiopNumChan(io)
348 WordIO_t io: AIOP base I/O address
349 Return: int: The number of channels available
350 Comments: The number of channels is determined by write/reads from identical
351 offsets within the SRAM address spaces for channels 0 and 4.
352 If the channel 4 space is mirrored to channel 0 it is a 4 channel
353 AIOP, otherwise it is an 8 channel.
354 Warnings: No context switches are allowed while executing this function.
356 int sReadAiopNumChan(WordIO_t io)
360 sOutDW((DWordIO_t)io + _INDX_ADDR,0x12340000L); /* write to chan 0 SRAM */
361 sOutW(io + _INDX_ADDR,0); /* read from SRAM, chan 0 */
362 x = sInW(io + _INDX_DATA);
363 sOutW(io + _INDX_ADDR,0x4000); /* read from SRAM, chan 4 */
364 if(x != sInW(io + _INDX_DATA)) /* if different must be 8 chan */
370 /***************************************************************************
372 Purpose: Initialization of a channel and channel structure
373 Call: sInitChan(CtlP,ChP,AiopNum,ChanNum)
374 CONTROLLER_T *CtlP; Ptr to controller structure
375 CHANNEL_T *ChP; Ptr to channel structure
376 int AiopNum; AIOP number within controller
377 int ChanNum; Channel number within AIOP
378 Return: int: TRUE if initialization succeeded, FALSE if it fails because channel
379 number exceeds number of channels available in AIOP.
380 Comments: This function must be called before a channel can be used.
381 Warnings: No range checking on any of the parameters is done.
383 No context switches are allowed while executing this function.
385 int sInitChan( CONTROLLER_T *CtlP,
397 if(ChanNum >= CtlP->AiopNumChan[AiopNum])
398 return(FALSE); /* exceeds num chans in AIOP */
400 /* Channel, AIOP, and controller identifiers */
402 ChP->ChanID = CtlP->AiopID[AiopNum];
403 ChP->AiopNum = AiopNum;
404 ChP->ChanNum = ChanNum;
406 /* Global direct addresses */
407 AiopIO = CtlP->AiopIO[AiopNum];
408 ChP->Cmd = (ByteIO_t)AiopIO + _CMD_REG;
409 ChP->IntChan = (ByteIO_t)AiopIO + _INT_CHAN;
410 ChP->IntMask = (ByteIO_t)AiopIO + _INT_MASK;
411 ChP->IndexAddr = (DWordIO_t)AiopIO + _INDX_ADDR;
412 ChP->IndexData = AiopIO + _INDX_DATA;
414 /* Channel direct addresses */
415 ChIOOff = AiopIO + ChP->ChanNum * 2;
416 ChP->TxRxData = ChIOOff + _TD0;
417 ChP->ChanStat = ChIOOff + _CHN_STAT0;
418 ChP->TxRxCount = ChIOOff + _FIFO_CNT0;
419 ChP->IntID = (ByteIO_t)AiopIO + ChP->ChanNum + _INT_ID0;
421 /* Initialize the channel from the RData array */
422 for(i=0; i < RDATASIZE; i+=4)
425 R[1] = RData[i+1] + 0x10 * ChanNum;
428 sOutDW(ChP->IndexAddr,*((DWord_t *)&R[0]));
432 for(i=0; i < RREGDATASIZE; i+=4)
434 ChR[i] = RRegData[i];
435 ChR[i+1] = RRegData[i+1] + 0x10 * ChanNum;
436 ChR[i+2] = RRegData[i+2];
437 ChR[i+3] = RRegData[i+3];
440 /* Indexed registers */
441 ChOff = (Word_t)ChanNum * 0x1000;
443 ChP->BaudDiv[0] = (Byte_t)(ChOff + _BAUD);
444 ChP->BaudDiv[1] = (Byte_t)((ChOff + _BAUD) >> 8);
445 ChP->BaudDiv[2] = (Byte_t)BRD9600;
446 ChP->BaudDiv[3] = (Byte_t)(BRD9600 >> 8);
447 sOutDW(ChP->IndexAddr,*(DWord_t *)&ChP->BaudDiv[0]);
449 ChP->TxControl[0] = (Byte_t)(ChOff + _TX_CTRL);
450 ChP->TxControl[1] = (Byte_t)((ChOff + _TX_CTRL) >> 8);
451 ChP->TxControl[2] = 0;
452 ChP->TxControl[3] = 0;
453 sOutDW(ChP->IndexAddr,*(DWord_t *)&ChP->TxControl[0]);
455 ChP->RxControl[0] = (Byte_t)(ChOff + _RX_CTRL);
456 ChP->RxControl[1] = (Byte_t)((ChOff + _RX_CTRL) >> 8);
457 ChP->RxControl[2] = 0;
458 ChP->RxControl[3] = 0;
459 sOutDW(ChP->IndexAddr,*(DWord_t *)&ChP->RxControl[0]);
461 ChP->TxEnables[0] = (Byte_t)(ChOff + _TX_ENBLS);
462 ChP->TxEnables[1] = (Byte_t)((ChOff + _TX_ENBLS) >> 8);
463 ChP->TxEnables[2] = 0;
464 ChP->TxEnables[3] = 0;
465 sOutDW(ChP->IndexAddr,*(DWord_t *)&ChP->TxEnables[0]);
467 ChP->TxCompare[0] = (Byte_t)(ChOff + _TXCMP1);
468 ChP->TxCompare[1] = (Byte_t)((ChOff + _TXCMP1) >> 8);
469 ChP->TxCompare[2] = 0;
470 ChP->TxCompare[3] = 0;
471 sOutDW(ChP->IndexAddr,*(DWord_t *)&ChP->TxCompare[0]);
473 ChP->TxReplace1[0] = (Byte_t)(ChOff + _TXREP1B1);
474 ChP->TxReplace1[1] = (Byte_t)((ChOff + _TXREP1B1) >> 8);
475 ChP->TxReplace1[2] = 0;
476 ChP->TxReplace1[3] = 0;
477 sOutDW(ChP->IndexAddr,*(DWord_t *)&ChP->TxReplace1[0]);
479 ChP->TxReplace2[0] = (Byte_t)(ChOff + _TXREP2);
480 ChP->TxReplace2[1] = (Byte_t)((ChOff + _TXREP2) >> 8);
481 ChP->TxReplace2[2] = 0;
482 ChP->TxReplace2[3] = 0;
483 sOutDW(ChP->IndexAddr,*(DWord_t *)&ChP->TxReplace2[0]);
485 ChP->TxFIFOPtrs = ChOff + _TXF_OUTP;
486 ChP->TxFIFO = ChOff + _TX_FIFO;
488 sOutB(ChP->Cmd,(Byte_t)ChanNum | RESTXFCNT); /* apply reset Tx FIFO count */
489 sOutB(ChP->Cmd,(Byte_t)ChanNum); /* remove reset Tx FIFO count */
490 sOutW((WordIO_t)ChP->IndexAddr,ChP->TxFIFOPtrs); /* clear Tx in/out ptrs */
491 sOutW(ChP->IndexData,0);
492 ChP->RxFIFOPtrs = ChOff + _RXF_OUTP;
493 ChP->RxFIFO = ChOff + _RX_FIFO;
495 sOutB(ChP->Cmd,(Byte_t)ChanNum | RESRXFCNT); /* apply reset Rx FIFO count */
496 sOutB(ChP->Cmd,(Byte_t)ChanNum); /* remove reset Rx FIFO count */
497 sOutW((WordIO_t)ChP->IndexAddr,ChP->RxFIFOPtrs); /* clear Rx out ptr */
498 sOutW(ChP->IndexData,0);
499 sOutW((WordIO_t)ChP->IndexAddr,ChP->RxFIFOPtrs + 2); /* clear Rx in ptr */
500 sOutW(ChP->IndexData,0);
501 ChP->TxPrioCnt = ChOff + _TXP_CNT;
502 sOutW((WordIO_t)ChP->IndexAddr,ChP->TxPrioCnt);
503 sOutB(ChP->IndexData,0);
504 ChP->TxPrioPtr = ChOff + _TXP_PNTR;
505 sOutW((WordIO_t)ChP->IndexAddr,ChP->TxPrioPtr);
506 sOutB(ChP->IndexData,0);
507 ChP->TxPrioBuf = ChOff + _TXP_BUF;
508 sEnRxProcessor(ChP); /* start the Rx processor */
513 /***************************************************************************
514 Function: sStopRxProcessor
515 Purpose: Stop the receive processor from processing a channel.
516 Call: sStopRxProcessor(ChP)
517 CHANNEL_T *ChP; Ptr to channel structure
519 Comments: The receive processor can be started again with sStartRxProcessor().
520 This function causes the receive processor to skip over the
521 stopped channel. It does not stop it from processing other channels.
523 Warnings: No context switches are allowed while executing this function.
525 Do not leave the receive processor stopped for more than one
528 After calling this function a delay of 4 uS is required to ensure
529 that the receive processor is no longer processing this channel.
531 void sStopRxProcessor(CHANNEL_T *ChP)
539 sOutDW(ChP->IndexAddr,*(DWord_t *)&R[0]);
542 /***************************************************************************
543 Function: sFlushRxFIFO
544 Purpose: Flush the Rx FIFO
545 Call: sFlushRxFIFO(ChP)
546 CHANNEL_T *ChP; Ptr to channel structure
548 Comments: To prevent data from being enqueued or dequeued in the Tx FIFO
549 while it is being flushed the receive processor is stopped
550 and the transmitter is disabled. After these operations a
551 4 uS delay is done before clearing the pointers to allow
552 the receive processor to stop. These items are handled inside
554 Warnings: No context switches are allowed while executing this function.
556 void sFlushRxFIFO(CHANNEL_T *ChP)
559 Byte_t Ch; /* channel number within AIOP */
560 int RxFIFOEnabled; /* TRUE if Rx FIFO enabled */
562 if(sGetRxCnt(ChP) == 0) /* Rx FIFO empty */
563 return; /* don't need to flush */
565 RxFIFOEnabled = FALSE;
566 if(ChP->R[0x32] == 0x08) /* Rx FIFO is enabled */
568 RxFIFOEnabled = TRUE;
569 sDisRxFIFO(ChP); /* disable it */
570 for(i=0; i < 2000/200; i++) /* delay 2 uS to allow proc to disable FIFO*/
571 sInB(ChP->IntChan); /* depends on bus i/o timing */
573 sGetChanStatus(ChP); /* clear any pending Rx errors in chan stat */
574 Ch = (Byte_t)sGetChanNum(ChP);
575 sOutB(ChP->Cmd,Ch | RESRXFCNT); /* apply reset Rx FIFO count */
576 sOutB(ChP->Cmd,Ch); /* remove reset Rx FIFO count */
577 sOutW((WordIO_t)ChP->IndexAddr,ChP->RxFIFOPtrs); /* clear Rx out ptr */
578 sOutW(ChP->IndexData,0);
579 sOutW((WordIO_t)ChP->IndexAddr,ChP->RxFIFOPtrs + 2); /* clear Rx in ptr */
580 sOutW(ChP->IndexData,0);
582 sEnRxFIFO(ChP); /* enable Rx FIFO */
585 /***************************************************************************
586 Function: sFlushTxFIFO
587 Purpose: Flush the Tx FIFO
588 Call: sFlushTxFIFO(ChP)
589 CHANNEL_T *ChP; Ptr to channel structure
591 Comments: To prevent data from being enqueued or dequeued in the Tx FIFO
592 while it is being flushed the receive processor is stopped
593 and the transmitter is disabled. After these operations a
594 4 uS delay is done before clearing the pointers to allow
595 the receive processor to stop. These items are handled inside
597 Warnings: No context switches are allowed while executing this function.
599 void sFlushTxFIFO(CHANNEL_T *ChP)
602 Byte_t Ch; /* channel number within AIOP */
603 int TxEnabled; /* TRUE if transmitter enabled */
605 if(sGetTxCnt(ChP) == 0) /* Tx FIFO empty */
606 return; /* don't need to flush */
609 if(ChP->TxControl[3] & TX_ENABLE)
612 sDisTransmit(ChP); /* disable transmitter */
614 sStopRxProcessor(ChP); /* stop Rx processor */
615 for(i = 0; i < 4000/200; i++) /* delay 4 uS to allow proc to stop */
616 sInB(ChP->IntChan); /* depends on bus i/o timing */
617 Ch = (Byte_t)sGetChanNum(ChP);
618 sOutB(ChP->Cmd,Ch | RESTXFCNT); /* apply reset Tx FIFO count */
619 sOutB(ChP->Cmd,Ch); /* remove reset Tx FIFO count */
620 sOutW((WordIO_t)ChP->IndexAddr,ChP->TxFIFOPtrs); /* clear Tx in/out ptrs */
621 sOutW(ChP->IndexData,0);
623 sEnTransmit(ChP); /* enable transmitter */
624 sStartRxProcessor(ChP); /* restart Rx processor */
627 /***************************************************************************
628 Function: sWriteTxPrioByte
629 Purpose: Write a byte of priority transmit data to a channel
630 Call: sWriteTxPrioByte(ChP,Data)
631 CHANNEL_T *ChP; Ptr to channel structure
632 Byte_t Data; The transmit data byte
634 Return: int: 1 if the bytes is successfully written, otherwise 0.
636 Comments: The priority byte is transmitted before any data in the Tx FIFO.
638 Warnings: No context switches are allowed while executing this function.
640 int sWriteTxPrioByte(CHANNEL_T *ChP, Byte_t Data)
642 Byte_t DWBuf[4]; /* buffer for double word writes */
643 Word_t *WordPtr; /* must be far because Win SS != DS */
644 register DWordIO_t IndexAddr;
646 if(sGetTxCnt(ChP) > 1) /* write it to Tx priority buffer */
648 IndexAddr = ChP->IndexAddr;
649 sOutW((WordIO_t)IndexAddr,ChP->TxPrioCnt); /* get priority buffer status */
650 if(sInB((ByteIO_t)ChP->IndexData) & PRI_PEND) /* priority buffer busy */
651 return(0); /* nothing sent */
653 WordPtr = (Word_t *)(&DWBuf[0]);
654 *WordPtr = ChP->TxPrioBuf; /* data byte address */
656 DWBuf[2] = Data; /* data byte value */
657 sOutDW(IndexAddr,*((DWord_t *)(&DWBuf[0]))); /* write it out */
659 *WordPtr = ChP->TxPrioCnt; /* Tx priority count address */
661 DWBuf[2] = PRI_PEND + 1; /* indicate 1 byte pending */
662 DWBuf[3] = 0; /* priority buffer pointer */
663 sOutDW(IndexAddr,*((DWord_t *)(&DWBuf[0]))); /* write it out */
665 else /* write it to Tx FIFO */
667 sWriteTxByte(sGetTxRxDataIO(ChP),Data);
669 return(1); /* 1 byte sent */
672 /***************************************************************************
673 Function: sEnInterrupts
674 Purpose: Enable one or more interrupts for a channel
675 Call: sEnInterrupts(ChP,Flags)
676 CHANNEL_T *ChP; Ptr to channel structure
677 Word_t Flags: Interrupt enable flags, can be any combination
678 of the following flags:
679 TXINT_EN: Interrupt on Tx FIFO empty
680 RXINT_EN: Interrupt on Rx FIFO at trigger level (see
682 SRCINT_EN: Interrupt on SRC (Special Rx Condition)
683 MCINT_EN: Interrupt on modem input change
684 CHANINT_EN: Allow channel interrupt signal to the AIOP's
685 Interrupt Channel Register.
687 Comments: If an interrupt enable flag is set in Flags, that interrupt will be
688 enabled. If an interrupt enable flag is not set in Flags, that
689 interrupt will not be changed. Interrupts can be disabled with
690 function sDisInterrupts().
692 This function sets the appropriate bit for the channel in the AIOP's
693 Interrupt Mask Register if the CHANINT_EN flag is set. This allows
694 this channel's bit to be set in the AIOP's Interrupt Channel Register.
696 Interrupts must also be globally enabled before channel interrupts
697 will be passed on to the host. This is done with function
700 In some cases it may be desirable to disable interrupts globally but
701 enable channel interrupts. This would allow the global interrupt
702 status register to be used to determine which AIOPs need service.
704 void sEnInterrupts(CHANNEL_T *ChP,Word_t Flags)
706 Byte_t Mask; /* Interrupt Mask Register */
709 ((Byte_t)Flags & (RXINT_EN | SRCINT_EN | MCINT_EN));
711 sOutDW(ChP->IndexAddr,*(DWord_t *)&ChP->RxControl[0]);
713 ChP->TxControl[2] |= ((Byte_t)Flags & TXINT_EN);
715 sOutDW(ChP->IndexAddr,*(DWord_t *)&ChP->TxControl[0]);
717 if(Flags & CHANINT_EN)
719 Mask = sInB(ChP->IntMask) | sBitMapSetTbl[ChP->ChanNum];
720 sOutB(ChP->IntMask,Mask);
724 /***************************************************************************
725 Function: sDisInterrupts
726 Purpose: Disable one or more interrupts for a channel
727 Call: sDisInterrupts(ChP,Flags)
728 CHANNEL_T *ChP; Ptr to channel structure
729 Word_t Flags: Interrupt flags, can be any combination
730 of the following flags:
731 TXINT_EN: Interrupt on Tx FIFO empty
732 RXINT_EN: Interrupt on Rx FIFO at trigger level (see
734 SRCINT_EN: Interrupt on SRC (Special Rx Condition)
735 MCINT_EN: Interrupt on modem input change
736 CHANINT_EN: Disable channel interrupt signal to the
737 AIOP's Interrupt Channel Register.
739 Comments: If an interrupt flag is set in Flags, that interrupt will be
740 disabled. If an interrupt flag is not set in Flags, that
741 interrupt will not be changed. Interrupts can be enabled with
742 function sEnInterrupts().
744 This function clears the appropriate bit for the channel in the AIOP's
745 Interrupt Mask Register if the CHANINT_EN flag is set. This blocks
746 this channel's bit from being set in the AIOP's Interrupt Channel
749 void sDisInterrupts(CHANNEL_T *ChP,Word_t Flags)
751 Byte_t Mask; /* Interrupt Mask Register */
754 ~((Byte_t)Flags & (RXINT_EN | SRCINT_EN | MCINT_EN));
755 sOutDW(ChP->IndexAddr,*(DWord_t *)&ChP->RxControl[0]);
756 ChP->TxControl[2] &= ~((Byte_t)Flags & TXINT_EN);
757 sOutDW(ChP->IndexAddr,*(DWord_t *)&ChP->TxControl[0]);
759 if(Flags & CHANINT_EN)
761 Mask = sInB(ChP->IntMask) & sBitMapClrTbl[ChP->ChanNum];
762 sOutB(ChP->IntMask,Mask);
766 /*********************************************************************
767 Begin FreeBsd-specific driver code
768 **********************************************************************/
770 static int rpprobe __P((struct isa_device *));
771 static int rpattach __P((struct isa_device *));
773 static const char* rp_pciprobe(pcici_t tag, pcidi_t type);
774 static void rp_pciattach(pcici_t tag, int unit);
775 static u_long rp_pcicount;
777 static struct pci_device rp_pcidevice = {
785 COMPAT_PCI_DRIVER (rp_pci, rp_pcidevice);
787 static timeout_t rpdtrwakeup;
789 struct isa_driver rpdriver = {
790 rpprobe, rpattach, "rp"
793 static char driver_name[] = "rp";
795 static d_open_t rpopen;
796 static d_close_t rpclose;
797 static d_write_t rpwrite;
798 static d_ioctl_t rpioctl;
800 #define CDEV_MAJOR 81
801 static struct cdevsw rp_cdevsw = {
809 /* strategy */ nostrategy,
810 /* name */ driver_name,
811 /* maj */ CDEV_MAJOR,
814 /* flags */ D_TTY | D_KQFILTER,
816 /* kqfilter */ ttykqfilter,
819 static int rp_controller_port = 0;
820 static int rp_num_ports_open = 0;
821 static int ndevs = 0;
822 static int minor_to_unit[128];
824 static struct tty rp_tty[128];
827 static int rp_num_ports[4]; /* Number of ports on each controller */
829 #define _INLINE_ __inline
830 #define POLL_INTERVAL 1
832 #define CALLOUT_MASK 0x80
833 #define CONTROL_MASK 0x60
834 #define CONTROL_INIT_STATE 0x20
835 #define CONTROL_LOCK_STATE 0x40
836 #define DEV_UNIT(dev) (MINOR_TO_UNIT(minor(dev))
837 #define MINOR_MAGIC_MASK (CALLOUT_MASK | CONTROL_MASK)
838 #define MINOR_MAGIC(dev) ((minor(dev)) & ~MINOR_MAGIC_MASK)
839 #define IS_CALLOUT(dev) (minor(dev) & CALLOUT_MASK)
840 #define IS_CONTROL(dev) (minor(dev) & CONTROL_MASK)
842 #define RP_ISMULTIPORT(dev) ((dev)->id_flags & 0x1)
843 #define RP_MPMASTER(dev) (((dev)->id_flags >> 8) & 0xff)
844 #define RP_NOTAST4(dev) ((dev)->id_flags & 0x04)
846 static struct rp_port *p_rp_addr[4];
847 static struct rp_port *p_rp_table[MAX_RP_PORTS];
848 #define rp_addr(unit) (p_rp_addr[unit])
849 #define rp_table(port) (p_rp_table[port])
852 * The top-level routines begin here
855 static int rpparam __P((struct tty *, struct termios *));
856 static void rpstart __P((struct tty *));
857 static void rpstop __P((struct tty *, int));
858 static void rphardclose __P((struct rp_port *));
859 static void rp_disc_optim __P((struct tty *tp, struct termios *t,
860 struct rp_port *rp));
862 static _INLINE_ void rp_do_receive(struct rp_port *rp, struct tty *tp,
863 CHANNEL_t *cp, unsigned int ChanStatus)
866 unsigned int CharNStat;
869 ToRecv = sGetRxCnt(cp);
873 /* If status indicates there are errored characters in the
874 FIFO, then enter status mode (a word in FIFO holds
875 characters and status)
878 if(ChanStatus & (RXFOVERFL | RXBREAK | RXFRAME | RXPARITY)) {
879 if(!(ChanStatus & STATMODE)) {
880 ChanStatus |= STATMODE;
885 if we previously entered status mode then read down the
886 FIFO one word at a time, pulling apart the character and
887 the status. Update error counters depending on status.
889 if(ChanStatus & STATMODE) {
891 if(tp->t_state & TS_TBLOCK) {
894 CharNStat = sInW(sGetTxRxDataIO(cp));
895 ch = CharNStat & 0xff;
897 if((CharNStat & STMBREAK) || (CharNStat & STMFRAMEH))
899 else if (CharNStat & STMPARITYH)
901 else if (CharNStat & STMRCVROVRH)
904 (*linesw[tp->t_line].l_rint)(ch, tp);
908 After emtying FIFO in status mode, turn off status mode
911 if(sGetRxCnt(cp) == 0)
912 sDisRxStatusMode(cp);
916 if(tp->t_state & TS_TBLOCK) {
919 ch = (u_char) sInB(sGetTxRxDataIO(cp));
921 (*linesw[tp->t_line].l_rint)(ch, tp);
928 static _INLINE_ void rp_handle_port(struct rp_port *rp)
932 unsigned int IntMask, ChanStatus;
938 cp = &rp->rp_channel;
940 IntMask = sGetChanIntID(cp);
941 IntMask = IntMask & rp->rp_intmask;
942 ChanStatus = sGetChanStatus(cp);
943 if(IntMask & RXF_TRIG)
944 if(!(tp->t_state & TS_TBLOCK) && (tp->t_state & TS_CARR_ON) && (tp->t_state & TS_ISOPEN)) {
945 rp_do_receive(rp, tp, cp, ChanStatus);
947 if(IntMask & DELTA_CD) {
948 if(ChanStatus & CD_ACT) {
949 if(!(tp->t_state & TS_CARR_ON) ) {
950 (void)(*linesw[tp->t_line].l_modem)(tp, 1);
953 if((tp->t_state & TS_CARR_ON)) {
954 (void)(*linesw[tp->t_line].l_modem)(tp, 0);
955 if((*linesw[tp->t_line].l_modem)(tp, 0) == 0) {
961 /* oldcts = rp->rp_cts;
962 rp->rp_cts = ((ChanStatus & CTS_ACT) != 0);
963 if(oldcts != rp->rp_cts) {
964 printf("CTS change (now %s)... on port %d\n", rp->rp_cts ? "on" : "off", rp->rp_port);
969 static void rp_do_poll(void *not_used)
974 int unit, aiop, ch, line, count;
975 unsigned char CtlMask, AiopMask;
977 for(unit = 0; unit <= ndevs; unit++) {
980 if(ctl->BusType == isPCI)
981 CtlMask = sPCIGetControllerIntStatus(ctl);
983 CtlMask = sGetControllerIntStatus(ctl);
984 for(aiop=0; CtlMask; CtlMask >>=1, aiop++) {
986 AiopMask = sGetAiopIntStatus(ctl, aiop);
987 for(ch = 0; AiopMask; AiopMask >>=1, ch++) {
989 line = (unit << 5) | (aiop << 3) | ch;
997 for(line = 0, rp = rp_addr(unit); line < rp_num_ports[unit];
1000 if((tp->t_state & TS_BUSY) && (tp->t_state & TS_ISOPEN)) {
1001 count = sGetTxCnt(&rp->rp_channel);
1003 tp->t_state &= ~(TS_BUSY);
1004 if(!(tp->t_state & TS_TTSTOP) &&
1005 (count <= rp->rp_restart)) {
1006 (*linesw[tp->t_line].l_start)(tp);
1011 if(rp_num_ports_open)
1012 timeout(rp_do_poll, (void *)NULL, POLL_INTERVAL);
1016 rp_pciprobe(pcici_t tag, pcidi_t type)
1020 vendor_id = type & 0xffff;
1030 struct isa_device *dev;
1032 int controller, unit;
1033 int aiop, num_aiops;
1034 unsigned int aiopio[MAX_AIOPS_PER_BOARD];
1037 unit = dev->id_unit;
1038 if (dev->id_unit >= 4) {
1039 printf("rpprobe: unit number %d invalid.\n", dev->id_unit);
1042 printf("probing for RocketPort(ISA) unit %d\n", unit);
1043 if (rp_controller_port)
1044 controller = rp_controller_port;
1046 controller = dev->id_iobase + 0x40;
1049 for (aiop=0; aiop<MAX_AIOPS_PER_BOARD; aiop++)
1050 aiopio[aiop]= dev->id_iobase + (aiop * 0x400);
1052 ctlp = sCtlNumToCtlPtr(dev->id_unit);
1053 num_aiops = sInitController(ctlp, dev->id_unit,
1054 controller + ((unit-rp_pcicount)*0x400),
1055 aiopio, MAX_AIOPS_PER_BOARD, 0,
1057 if (num_aiops <= 0) {
1058 printf("board%d init failed\n", unit);
1062 if (rp_controller_port) {
1066 rp_controller_port = controller;
1075 rp_pciattach(pcici_t tag, int unit)
1077 int success, oldspl;
1079 int num_ports, num_chan, num_aiops;
1080 int aiop, chan, port;
1081 int ChanStatus, line, i, count;
1082 unsigned int aiopio[MAX_AIOPS_PER_BOARD];
1087 success = pci_map_port(tag, 0x10, &iobase);
1089 printf("ioaddr mapping failed for RocketPort(PCI)\n");
1091 for(aiop=0; aiop < MAX_AIOPS_PER_BOARD; aiop++)
1092 aiopio[aiop] = iobase + (aiop * 0x40);
1094 ctlp = sCtlNumToCtlPtr(unit);
1095 num_aiops = sPCIInitController(ctlp, unit,
1096 aiopio, MAX_AIOPS_PER_BOARD, 0,
1100 for(aiop=0; aiop < num_aiops; aiop++) {
1101 sResetAiopByNum(ctlp, aiop);
1102 num_ports += sGetAiopNumChan(ctlp, aiop);
1104 printf("RocketPort%d = %d ports\n", unit, num_ports);
1105 rp_num_ports[unit] = num_ports;
1107 rp = (struct rp_port *)
1108 malloc(sizeof(struct rp_port) * num_ports, M_TTYS, M_NOWAIT);
1110 printf("rp_attach: Could not malloc rp_ports structures\n");
1114 count = unit * 32; /* board times max ports per card SG */
1115 for(i=count;i < (count + rp_num_ports[unit]);i++)
1116 minor_to_unit[i] = unit;
1118 bzero(rp, sizeof(struct rp_port) * num_ports);
1119 tty = (struct tty *)
1120 malloc(sizeof(struct tty) * num_ports, M_TTYS, M_NOWAIT);
1122 printf("rp_attach: Could not malloc tty structures\n");
1125 bzero(tty, sizeof(struct tty) * num_ports);
1131 cdevsw_add(&rp_cdevsw);
1134 for(aiop=0; aiop < num_aiops; aiop++) {
1135 num_chan = sGetAiopNumChan(ctlp, aiop);
1136 for(chan=0; chan < num_chan; chan++, port++, rp++, tty++) {
1145 /* tty->t_termios = deftermios;
1147 rp->dtr_wait = 3 * hz;
1148 rp->it_in.c_iflag = 0;
1149 rp->it_in.c_oflag = 0;
1150 rp->it_in.c_cflag = TTYDEF_CFLAG;
1151 rp->it_in.c_lflag = 0;
1152 termioschars(&rp->it_in);
1153 /* termioschars(&tty->t_termios);
1155 rp->it_in.c_ispeed = rp->it_in.c_ospeed = TTYDEF_SPEED;
1156 rp->it_out = rp->it_in;
1158 rp->rp_intmask = RXF_TRIG | TXFIFO_MT | SRC_INT |
1159 DELTA_CD | DELTA_CTS | DELTA_DSR;
1160 ChanStatus = sGetChanStatus(&rp->rp_channel);
1161 if(sInitChan(ctlp, &rp->rp_channel, aiop, chan) == 0) {
1162 printf("RocketPort sInitChan(%d, %d, %d) failed
1163 \n", unit, aiop, chan);
1166 ChanStatus = sGetChanStatus(&rp->rp_channel);
1167 rp->rp_cts = (ChanStatus & CTS_ACT) != 0;
1168 line = (unit << 5) | (aiop << 3) | chan;
1169 rp_table(line) = rp;
1177 struct isa_device *dev;
1179 int iobase, unit, /*rpmajor,*/ oldspl;
1180 int num_ports, num_chan, num_aiops;
1181 int aiop, chan, port;
1182 int ChanStatus, line, i, count;
1183 unsigned int aiopio[MAX_AIOPS_PER_BOARD];
1188 iobase = dev->id_iobase;
1189 unit = dev->id_unit;
1192 for(aiop=0; aiop < MAX_AIOPS_PER_BOARD; aiop++)
1193 aiopio[aiop] = iobase + (aiop * 0x400);
1195 ctlp = sCtlNumToCtlPtr(unit);
1196 num_aiops = sInitController(ctlp, unit,
1197 rp_controller_port + ((unit-rp_pcicount) * 0x400),
1198 aiopio, MAX_AIOPS_PER_BOARD, 0,
1202 for(aiop=0; aiop < num_aiops; aiop++) {
1203 sResetAiopByNum(ctlp, aiop);
1204 sEnAiop(ctlp, aiop);
1205 num_ports += sGetAiopNumChan(ctlp, aiop);
1207 printf("RocketPort%d = %d ports\n", unit, num_ports);
1208 rp_num_ports[unit] = num_ports;
1210 rp = (struct rp_port *)
1211 malloc(sizeof(struct rp_port) * num_ports, M_TTYS, M_NOWAIT);
1213 printf("rp_attach: Could not malloc rp_ports structures\n");
1217 count = unit * 32; /* board # times max ports per card SG */
1218 for(i=count;i < (count + rp_num_ports[unit]);i++)
1219 minor_to_unit[i] = unit;
1221 bzero(rp, sizeof(struct rp_port) * num_ports);
1222 tty = (struct tty *)
1223 malloc(sizeof(struct tty) * num_ports, M_TTYS, M_NOWAIT);
1225 printf("rp_attach: Could not malloc tty structures\n");
1228 bzero(tty, sizeof(struct tty) * num_ports);
1234 cdevsw_add(&rp_cdevsw);
1237 for(aiop=0; aiop < num_aiops; aiop++) {
1238 num_chan = sGetAiopNumChan(ctlp, aiop);
1239 for(chan=0; chan < num_chan; chan++, port++, rp++, tty++) {
1248 /* tty->t_termios = deftermios;
1250 rp->dtr_wait = 3 * hz;
1251 rp->it_in.c_iflag = 0;
1252 rp->it_in.c_oflag = 0;
1253 rp->it_in.c_cflag = TTYDEF_CFLAG;
1254 rp->it_in.c_lflag = 0;
1255 termioschars(&rp->it_in);
1256 /* termioschars(&tty->t_termios);
1258 rp->it_in.c_ispeed = rp->it_in.c_ospeed = TTYDEF_SPEED;
1259 rp->it_out = rp->it_in;
1261 rp->rp_intmask = RXF_TRIG | TXFIFO_MT | SRC_INT |
1262 DELTA_CD | DELTA_CTS | DELTA_DSR;
1263 ChanStatus = sGetChanStatus(&rp->rp_channel);
1264 if(sInitChan(ctlp, &rp->rp_channel, aiop, chan) == 0) {
1265 printf("RocketPort sInitChan(%d, %d, %d) failed
1266 \n", unit, aiop, chan);
1269 ChanStatus = sGetChanStatus(&rp->rp_channel);
1270 rp->rp_cts = (ChanStatus & CTS_ACT) != 0;
1271 line = (unit << 5) | (aiop << 3) | chan;
1272 rp_table(line) = rp;
1280 rpopen(dev, flag, mode, p)
1286 int unit, port, mynor, umynor, flags; /* SG */
1289 unsigned int IntMask, ChanStatus;
1292 umynor = (((minor(dev) >> 16) -1) * 32); /* SG */
1293 port = (minor(dev) & 0x1f); /* SG */
1294 mynor = (port + umynor); /* SG */
1295 unit = minor_to_unit[mynor];
1296 if (rp_addr(unit) == NULL)
1300 rp = rp_addr(unit) + port;
1301 /* rp->rp_tty = &rp_tty[rp->rp_port];
1309 while(rp->state & ~SET_DTR) {
1310 error = tsleep(&rp->dtr_wait, TTIPRI | PCATCH, "rpdtr", 0);
1315 if(tp->t_state & TS_ISOPEN) {
1316 if(IS_CALLOUT(dev)) {
1317 if(!rp->active_out) {
1322 if(rp->active_out) {
1323 if(flag & O_NONBLOCK) {
1327 error = tsleep(&rp->active_out,
1328 TTIPRI | PCATCH, "rpbi", 0);
1334 if(tp->t_state & TS_XCLUDE &&
1342 tp->t_param = rpparam;
1343 tp->t_oproc = rpstart;
1344 tp->t_stop = rpstop;
1346 tp->t_termios = IS_CALLOUT(dev) ? rp->it_out : rp->it_in;
1350 rp->rp_channel.TxControl[3] =
1351 ((rp->rp_channel.TxControl[3]
1352 & ~(SET_RTS | SET_DTR)) | flags);
1353 sOutDW(rp->rp_channel.IndexAddr,
1354 *(DWord_t *) &(rp->rp_channel.TxControl[0]));
1355 sSetRxTrigger(&rp->rp_channel, TRIG_1);
1356 sDisRxStatusMode(&rp->rp_channel);
1357 sFlushRxFIFO(&rp->rp_channel);
1358 sFlushTxFIFO(&rp->rp_channel);
1360 sEnInterrupts(&rp->rp_channel,
1361 (TXINT_EN|MCINT_EN|RXINT_EN|SRCINT_EN|CHANINT_EN));
1362 sSetRxTrigger(&rp->rp_channel, TRIG_1);
1364 sDisRxStatusMode(&rp->rp_channel);
1365 sClrTxXOFF(&rp->rp_channel);
1367 /* sDisRTSFlowCtl(&rp->rp_channel);
1368 sDisCTSFlowCtl(&rp->rp_channel);
1370 sDisTxSoftFlowCtl(&rp->rp_channel);
1372 sStartRxProcessor(&rp->rp_channel);
1374 sEnRxFIFO(&rp->rp_channel);
1375 sEnTransmit(&rp->rp_channel);
1377 /* sSetDTR(&rp->rp_channel);
1378 sSetRTS(&rp->rp_channel);
1382 error = rpparam(tp, &tp->t_termios);
1389 rp_num_ports_open++;
1391 IntMask = sGetChanIntID(&rp->rp_channel);
1392 IntMask = IntMask & rp->rp_intmask;
1393 ChanStatus = sGetChanStatus(&rp->rp_channel);
1394 if((IntMask & DELTA_CD) || IS_CALLOUT(dev)) {
1395 if((ChanStatus & CD_ACT) || IS_CALLOUT(dev)) {
1396 (void)(*linesw[tp->t_line].l_modem)(tp, 1);
1400 if(rp_num_ports_open == 1)
1401 timeout(rp_do_poll, (void *)NULL, POLL_INTERVAL);
1405 if(!(flag&O_NONBLOCK) && !(tp->t_cflag&CLOCAL) &&
1406 !(tp->t_state & TS_CARR_ON) && !(IS_CALLOUT(dev))) {
1408 error = tsleep(TSA_CARR_ON(tp), TTIPRI | PCATCH,
1415 error = (*linesw[tp->t_line].l_open)(dev, tp);
1417 rp_disc_optim(tp, &tp->t_termios, rp);
1418 if(tp->t_state & TS_ISOPEN && IS_CALLOUT(dev))
1419 rp->active_out = TRUE;
1421 /* if(rp_num_ports_open == 1)
1422 timeout(rp_do_poll, (void *)NULL, POLL_INTERVAL);
1426 if(!(tp->t_state & TS_ISOPEN) && rp->wopeners == 0) {
1433 rpclose(dev, flag, mode, p)
1438 int oldspl, unit, mynor, umynor, port; /* SG */
1443 umynor = (((minor(dev) >> 16) -1) * 32); /* SG */
1444 port = (minor(dev) & 0x1f); /* SG */
1445 mynor = (port + umynor); /* SG */
1446 unit = minor_to_unit[mynor]; /* SG */
1450 rp = rp_addr(unit) + port;
1451 cp = &rp->rp_channel;
1455 (*linesw[tp->t_line].l_close)(tp, flag);
1456 rp_disc_optim(tp, &tp->t_termios, rp);
1457 rpstop(tp, FREAD | FWRITE);
1460 tp->t_state &= ~TS_BUSY;
1469 rphardclose(struct rp_port *rp)
1475 cp = &rp->rp_channel;
1477 mynor = MINOR_MAGIC(tp->t_dev);
1482 sDisInterrupts(cp, TXINT_EN|MCINT_EN|RXINT_EN|SRCINT_EN|CHANINT_EN);
1485 sDisTxSoftFlowCtl(cp);
1488 if(tp->t_cflag&HUPCL || !(tp->t_state&TS_ISOPEN) || !rp->active_out) {
1491 if(IS_CALLOUT(tp->t_dev)) {
1494 if(rp->dtr_wait != 0) {
1495 timeout(rpdtrwakeup, rp, rp->dtr_wait);
1496 rp->state |= ~SET_DTR;
1499 rp->active_out = FALSE;
1500 wakeup(&rp->active_out);
1501 wakeup(TSA_CARR_ON(tp));
1506 rpwrite(dev, uio, flag)
1513 int unit, mynor, port, umynor, error = 0; /* SG */
1515 umynor = (((minor(dev) >> 16) -1) * 32); /* SG */
1516 port = (minor(dev) & 0x1f); /* SG */
1517 mynor = (port + umynor); /* SG */
1518 unit = minor_to_unit[mynor]; /* SG */
1522 rp = rp_addr(unit) + port;
1524 while(rp->rp_disable_writes) {
1526 error = ttysleep(tp, (caddr_t)rp, TTOPRI|PCATCH, "rp_write", 0);
1531 error = (*linesw[tp->t_line].l_write)(tp, uio, flag);
1536 rpdtrwakeup(void *chan)
1540 rp = (struct rp_port *)chan;
1541 rp->state &= SET_DTR;
1542 wakeup(&rp->dtr_wait);
1546 rpioctl(dev, cmd, data, flag, p)
1556 int unit, mynor, port, umynor; /* SG */
1559 int arg, flags, result, ChanStatus;
1561 struct termios term, *t;
1563 umynor = (((minor(dev) >> 16) -1) * 32); /* SG */
1564 port = (minor(dev) & 0x1f); /* SG */
1565 mynor = (port + umynor); /* SG */
1566 unit = minor_to_unit[mynor];
1567 rp = rp_addr(unit) + port;
1569 if(IS_CONTROL(dev)) {
1572 switch (IS_CONTROL(dev)) {
1573 case CONTROL_INIT_STATE:
1574 ct = IS_CALLOUT(dev) ? &rp->it_out : &rp->it_in;
1576 case CONTROL_LOCK_STATE:
1577 ct = IS_CALLOUT(dev) ? &rp->lt_out : &rp->lt_in;
1580 return(ENODEV); /* /dev/nodev */
1587 *ct = *(struct termios *)data;
1590 *(struct termios *)data = *ct;
1593 *(int *)data = TTYDISC;
1596 bzero(data, sizeof(struct winsize));
1604 cp = &rp->rp_channel;
1606 #if defined(COMPAT_43) || defined(COMPAT_SUNOS)
1607 term = tp->t_termios;
1609 error = ttsetcompat(tp, &cmd, data, &term);
1613 data = (caddr_t)&term;
1616 if((cmd == TIOCSETA) || (cmd == TIOCSETAW) || (cmd == TIOCSETAF)) {
1618 struct termios *dt = (struct termios *)data;
1619 struct termios *lt = IS_CALLOUT(dev)
1620 ? &rp->lt_out : &rp->lt_in;
1622 dt->c_iflag = (tp->t_iflag & lt->c_iflag)
1623 | (dt->c_iflag & ~lt->c_iflag);
1624 dt->c_oflag = (tp->t_oflag & lt->c_oflag)
1625 | (dt->c_oflag & ~lt->c_oflag);
1626 dt->c_cflag = (tp->t_cflag & lt->c_cflag)
1627 | (dt->c_cflag & ~lt->c_cflag);
1628 dt->c_lflag = (tp->t_lflag & lt->c_lflag)
1629 | (dt->c_lflag & ~lt->c_lflag);
1630 for(cc = 0; cc < NCCS; ++cc)
1631 if(lt->c_cc[cc] != 0)
1632 dt->c_cc[cc] = tp->t_cc[cc];
1633 if(lt->c_ispeed != 0)
1634 dt->c_ispeed = tp->t_ispeed;
1635 if(lt->c_ospeed != 0)
1636 dt->c_ospeed = tp->t_ospeed;
1641 error = (*linesw[tp->t_line].l_ioctl)(tp, cmd, data, flag, p);
1642 if(error != ENOIOCTL) {
1647 flags = rp->rp_channel.TxControl[3];
1649 error = ttioctl(tp, cmd, data, flag);
1650 flags = rp->rp_channel.TxControl[3];
1651 rp_disc_optim(tp, &tp->t_termios, rp);
1652 if(error != ENOIOCTL) {
1658 sSendBreak(&rp->rp_channel);
1662 sClrBreak(&rp->rp_channel);
1666 sSetDTR(&rp->rp_channel);
1667 sSetRTS(&rp->rp_channel);
1671 sClrDTR(&rp->rp_channel);
1675 arg = *(int *) data;
1681 rp->rp_channel.TxControl[3] =
1682 ((rp->rp_channel.TxControl[3]
1683 & ~(SET_RTS | SET_DTR)) | flags);
1684 sOutDW(rp->rp_channel.IndexAddr,
1685 *(DWord_t *) &(rp->rp_channel.TxControl[0]));
1688 arg = *(int *) data;
1694 rp->rp_channel.TxControl[3] |= flags;
1695 sOutDW(rp->rp_channel.IndexAddr,
1696 *(DWord_t *) &(rp->rp_channel.TxControl[0]));
1699 arg = *(int *) data;
1705 rp->rp_channel.TxControl[3] &= ~flags;
1706 sOutDW(rp->rp_channel.IndexAddr,
1707 *(DWord_t *) &(rp->rp_channel.TxControl[0]));
1712 ChanStatus = sGetChanStatusLo(&rp->rp_channel);
1713 flags = rp->rp_channel.TxControl[3];
1714 result = TIOCM_LE; /* always on while open for some reason */
1715 result |= (((flags & SET_DTR) ? TIOCM_DTR : 0)
1716 | ((flags & SET_RTS) ? TIOCM_RTS : 0)
1717 | ((ChanStatus & CD_ACT) ? TIOCM_CAR : 0)
1718 | ((ChanStatus & DSR_ACT) ? TIOCM_DSR : 0)
1719 | ((ChanStatus & CTS_ACT) ? TIOCM_CTS : 0));
1721 if(rp->rp_channel.RxControl[2] & RTSFC_EN)
1723 result |= TIOCM_RTS;
1726 *(int *)data = result;
1734 rp->dtr_wait = *(int *)data * hz/100;
1737 *(int *)data = rp->dtr_wait * 100/hz;
1747 static struct speedtab baud_table[] = {
1748 {B0, 0}, {B50, BRD50}, {B75, BRD75},
1749 {B110, BRD110}, {B134, BRD134}, {B150, BRD150},
1750 {B200, BRD200}, {B300, BRD300}, {B600, BRD600},
1751 {B1200, BRD1200}, {B1800, BRD1800}, {B2400, BRD2400},
1752 {B4800, BRD4800}, {B9600, BRD9600}, {B19200, BRD19200},
1753 {B38400, BRD38400}, {B7200, BRD7200}, {B14400, BRD14400},
1754 {B57600, BRD57600}, {B76800, BRD76800},
1755 {B115200, BRD115200}, {B230400, BRD230400},
1766 int unit, mynor, port, umynor; /* SG */
1767 int oldspl, cflag, iflag, oflag, lflag;
1771 umynor = (((minor(tp->t_dev) >> 16) -1) * 32); /* SG */
1772 port = (minor(tp->t_dev) & 0x1f); /* SG */
1773 mynor = (port + umynor); /* SG */
1775 unit = minor_to_unit[mynor];
1776 rp = rp_addr(unit) + port;
1777 cp = &rp->rp_channel;
1785 ospeed = ttspeedtab(t->c_ispeed, baud_table);
1786 if(ospeed < 0 || t->c_ispeed != t->c_ospeed)
1789 tp->t_ispeed = t->c_ispeed;
1790 tp->t_ospeed = t->c_ospeed;
1791 tp->t_cflag = cflag;
1792 tp->t_iflag = iflag;
1793 tp->t_oflag = oflag;
1794 tp->t_lflag = lflag;
1796 if(t->c_ospeed == 0) {
1800 rp->rp_fifo_lw = ((t->c_ospeed*2) / 1000) +1;
1802 /* Set baud rate ----- we only pay attention to ispeed */
1805 sSetBaud(cp, ospeed);
1807 if(cflag & CSTOPB) {
1813 if(cflag & PARENB) {
1815 if(cflag & PARODD) {
1824 if((cflag & CSIZE) == CS8) {
1826 rp->rp_imask = 0xFF;
1829 rp->rp_imask = 0x7F;
1832 if(iflag & ISTRIP) {
1833 rp->rp_imask &= 0x7F;
1836 if(cflag & CLOCAL) {
1837 rp->rp_intmask &= ~DELTA_CD;
1839 rp->rp_intmask |= DELTA_CD;
1842 /* Put flow control stuff here */
1844 if(cflag & CCTS_OFLOW) {
1850 if(cflag & CRTS_IFLOW) {
1851 rp->rp_rts_iflow = 1;
1853 rp->rp_rts_iflow = 0;
1856 if(cflag & CRTS_IFLOW) {
1861 rp_disc_optim(tp, t, rp);
1863 if((cflag & CLOCAL) || (sGetChanStatusLo(cp) & CD_ACT)) {
1864 tp->t_state |= TS_CARR_ON;
1865 wakeup(TSA_CARR_ON(tp));
1868 /* tp->t_state |= TS_CAN_BYPASS_L_RINT;
1869 flags = rp->rp_channel.TxControl[3];
1881 rp_disc_optim(tp, t, rp)
1886 if(!(t->c_iflag & (ICRNL | IGNCR | IMAXBEL | INLCR | ISTRIP | IXON))
1887 &&(!(t->c_iflag & BRKINT) || (t->c_iflag & IGNBRK))
1888 &&(!(t->c_iflag & PARMRK)
1889 ||(t->c_iflag & (IGNPAR | IGNBRK)) == (IGNPAR | IGNBRK))
1890 && !(t->c_lflag & (ECHO | ICANON | IEXTEN | ISIG | PENDIN))
1891 && linesw[tp->t_line].l_rint == ttyinput)
1892 tp->t_state |= TS_CAN_BYPASS_L_RINT;
1894 tp->t_state &= ~TS_CAN_BYPASS_L_RINT;
1904 int unit, mynor, port, umynor; /* SG */
1906 int spl, xmit_fifo_room;
1910 umynor = (((minor(tp->t_dev) >> 16) -1) * 32); /* SG */
1911 port = (minor(tp->t_dev) & 0x1f); /* SG */
1912 mynor = (port + umynor); /* SG */
1913 unit = minor_to_unit[mynor];
1914 rp = rp_addr(unit) + port;
1915 cp = &rp->rp_channel;
1916 flags = rp->rp_channel.TxControl[3];
1919 if(tp->t_state & (TS_TIMEOUT | TS_TTSTOP)) {
1924 if(rp->rp_xmit_stopped) {
1926 rp->rp_xmit_stopped = 0;
1928 count = sGetTxCnt(cp);
1930 if(tp->t_outq.c_cc == 0) {
1931 if((tp->t_state & TS_BUSY) && (count == 0)) {
1932 tp->t_state &= ~TS_BUSY;
1938 xmit_fifo_room = TXFIFO_SIZE - sGetTxCnt(cp);
1941 if(xmit_fifo_room > 0 && qp->c_cc > 0) {
1942 tp->t_state |= TS_BUSY;
1944 while(xmit_fifo_room > 0 && qp->c_cc > 0) {
1946 sOutB(sGetTxRxDataIO(cp), ch);
1950 rp->rp_restart = (qp->c_cc > 0) ? rp->rp_fifo_lw : 0;
1959 register struct tty *tp;
1964 int unit, mynor, port, umynor; /* SG */
1967 umynor = (((minor(tp->t_dev) >> 16) -1) * 32); /* SG */
1968 port = (minor(tp->t_dev) & 0x1f); /* SG */
1969 mynor = (port + umynor); /* SG */
1970 unit = minor_to_unit[mynor];
1971 rp = rp_addr(unit) + port;
1972 cp = &rp->rp_channel;
1976 if(tp->t_state & TS_BUSY) {
1977 if((tp->t_state&TS_TTSTOP) == 0) {
1980 if(rp->rp_xmit_stopped == 0) {
1982 rp->rp_xmit_stopped = 1;