rp.c revision 50254
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 * $Id: rp.c,v 1.28 1999/05/31 11:26:24 phk Exp $ 33 */ 34 35/* 36 * rp.c - for RocketPort FreeBSD 37 */ 38 39#include "opt_compat.h" 40 41#include <sys/param.h> 42#include <sys/systm.h> 43#include <sys/fcntl.h> 44#include <sys/malloc.h> 45#include <sys/tty.h> 46#include <sys/proc.h> 47#include <sys/conf.h> 48#include <sys/kernel.h> 49 50#include <i386/isa/isa_device.h> 51 52#include <pci/pcivar.h> 53 54#define ROCKET_C 55#include <i386/isa/rpreg.h> 56#include <i386/isa/rpvar.h> 57 58#ifndef TRUE 59#define TRUE 1 60#endif 61 62#ifndef FALSE 63#define FALSE 0 64#endif 65 66static Byte_t RData[RDATASIZE] = 67{ 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 86}; 87 88static Byte_t RRegData[RREGDATASIZE]= 89{ 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 */ 103}; 104 105static CONTROLLER_T sController[CTL_SIZE] = 106{ 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}} 111}; 112 113#if 0 114/* IRQ number to MUDBAC register 2 mapping */ 115Byte_t sIRQMap[16] = 116{ 117 0,0,0,0x10,0x20,0x30,0,0,0,0x40,0x50,0x60,0x70,0,0,0x80 118}; 119#endif 120 121static Byte_t sBitMapClrTbl[8] = 122{ 123 0xfe,0xfd,0xfb,0xf7,0xef,0xdf,0xbf,0x7f 124}; 125 126static Byte_t sBitMapSetTbl[8] = 127{ 128 0x01,0x02,0x04,0x08,0x10,0x20,0x40,0x80 129}; 130 131/*************************************************************************** 132Function: sInitController 133Purpose: Initialization of controller global registers and controller 134 structure. 135Call: 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 147 3: IRQ 3 148 4: IRQ 4 149 5: IRQ 5 150 9: IRQ 9 151 10: IRQ 10 152 11: IRQ 11 153 12: IRQ 12 154 15: IRQ 15 155 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 159 FREQ_69HZ - 69 Hertz 160 FREQ_34HZ - 34 Hertz 161 FREQ_17HZ - 17 Hertz 162 FREQ_9HZ - 9 Hertz 163 FREQ_4HZ - 4 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. 172Return: int: Number of AIOPs on the controller, or CTLID_NULL if controller 173 initialization failed. 174 175Comments: 176 If periodic interrupts are to be disabled but AIOP interrupts 177 are allowed, set Frequency to FREQ_DIS and PeriodicOnly to FALSE. 178 179 If interrupts are to be completely disabled set IRQNum to 0. 180 181 Setting Frequency to FREQ_DIS and PeriodicOnly to TRUE is an 182 invalid combination. 183 184 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. 189 190 Even if interrupts are globally enabled, they must also be 191 individually enabled for each channel that is to generate 192 interrupts. 193 194Warnings: No range checking on any of the parameters is done. 195 196 No context switches are allowed while executing this function. 197 198 After this function all AIOPs on the controller are disabled, 199 they can be enabled with sEnAiop(). 200*/ 201int sInitController( CONTROLLER_T *CtlP, 202 int CtlNum, 203 ByteIO_t MudbacIO, 204 ByteIO_t *AiopIOList, 205 int AiopIOListSize, 206 int IRQNum, 207 Byte_t Frequency, 208 int PeriodicOnly) 209{ 210 int i; 211 ByteIO_t io; 212 213 CtlP->CtlNum = CtlNum; 214 CtlP->BusType = isISA; 215 CtlP->CtlID = CTLID_0001; /* controller release 1 */ 216 217 CtlP->MBaseIO = MudbacIO; 218 CtlP->MReg1IO = MudbacIO + 1; 219 CtlP->MReg2IO = MudbacIO + 2; 220 CtlP->MReg3IO = MudbacIO + 3; 221#if 1 222 CtlP->MReg2 = 0; /* interrupt disable */ 223 CtlP->MReg3 = 0; /* no periodic interrupts */ 224#else 225 if(sIRQMap[IRQNum] == 0) /* interrupts globally disabled */ 226 { 227 CtlP->MReg2 = 0; /* interrupt disable */ 228 CtlP->MReg3 = 0; /* no periodic interrupts */ 229 } 230 else 231 { 232 CtlP->MReg2 = sIRQMap[IRQNum]; /* set IRQ number */ 233 CtlP->MReg3 = Frequency; /* set frequency */ 234 if(PeriodicOnly) /* periodic interrupt only */ 235 { 236 CtlP->MReg3 |= PERIODIC_ONLY; 237 } 238 } 239#endif 240 sOutB(CtlP->MReg2IO,CtlP->MReg2); 241 sOutB(CtlP->MReg3IO,CtlP->MReg3); 242 sControllerEOI(CtlP); /* clear EOI if warm init */ 243 244 /* Init AIOPs */ 245 CtlP->NumAiop = 0; 246 for(i=0; i < AiopIOListSize; i++) 247 { 248 io = AiopIOList[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 */ 254 255 CtlP->AiopID[i] = sReadAiopID(io); /* read AIOP ID */ 256 if(CtlP->AiopID[i] == AIOPID_NULL) /* if AIOP does not exist */ 257 { 258 sDisAiop(CtlP,i); /* disable AIOP */ 259 break; /* done looking for AIOPs */ 260 } 261 262 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 */ 267 } 268 269 if(CtlP->NumAiop == 0) 270 return(-1); 271 else 272 return(CtlP->NumAiop); 273} 274 275int sPCIInitController( CONTROLLER_T *CtlP, 276 int CtlNum, 277 ByteIO_t *AiopIOList, 278 int AiopIOListSize, 279 int IRQNum, 280 Byte_t Frequency, 281 int PeriodicOnly) 282{ 283 int i; 284 ByteIO_t io; 285 286 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); 290 291 sPCIControllerEOI(CtlP); 292 293 /* Init AIOPs */ 294 CtlP->NumAiop = 0; 295 for(i=0; i < AiopIOListSize; i++) 296 { 297 io = AiopIOList[i]; 298 CtlP->AiopIO[i] = (WordIO_t)io; 299 CtlP->AiopIntChanIO[i] = io + _INT_CHAN; 300 301 CtlP->AiopID[i] = sReadAiopID(io); /* read AIOP ID */ 302 if(CtlP->AiopID[i] == AIOPID_NULL) /* if AIOP does not exist */ 303 { 304 break; /* done looking for AIOPs */ 305 } 306 307 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 */ 311 } 312 313 if(CtlP->NumAiop == 0) 314 return(-1); 315 else 316 return(CtlP->NumAiop); 317} 318 319/*************************************************************************** 320Function: sReadAiopID 321Purpose: Read the AIOP idenfication number directly from an AIOP. 322Call: sReadAiopID(io) 323 ByteIO_t io: AIOP base I/O address 324Return: 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 327Warnings: No context switches are allowed while executing this function. 328 329*/ 330int sReadAiopID(ByteIO_t io) 331{ 332 Byte_t AiopID; /* ID byte from AIOP */ 333 334 sOutB(io + _CMD_REG,RESET_ALL); /* reset AIOP */ 335 sOutB(io + _CMD_REG,0x0); 336 AiopID = sInB(io + _CHN_STAT0) & 0x07; 337 if(AiopID == 0x06) 338 return(1); 339 else /* AIOP does not exist */ 340 return(-1); 341} 342 343/*************************************************************************** 344Function: sReadAiopNumChan 345Purpose: Read the number of channels available in an AIOP directly from 346 an AIOP. 347Call: sReadAiopNumChan(io) 348 WordIO_t io: AIOP base I/O address 349Return: int: The number of channels available 350Comments: 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. 354Warnings: No context switches are allowed while executing this function. 355*/ 356int sReadAiopNumChan(WordIO_t io) 357{ 358 Word_t x; 359 360 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 */ 365 return(8); 366 else 367 return(4); 368} 369 370/*************************************************************************** 371Function: sInitChan 372Purpose: Initialization of a channel and channel structure 373Call: 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 378Return: int: TRUE if initialization succeeded, FALSE if it fails because channel 379 number exceeds number of channels available in AIOP. 380Comments: This function must be called before a channel can be used. 381Warnings: No range checking on any of the parameters is done. 382 383 No context switches are allowed while executing this function. 384*/ 385int sInitChan( CONTROLLER_T *CtlP, 386 CHANNEL_T *ChP, 387 int AiopNum, 388 int ChanNum) 389{ 390 int i; 391 WordIO_t AiopIO; 392 WordIO_t ChIOOff; 393 Byte_t *ChR; 394 Word_t ChOff; 395 static Byte_t R[4]; 396 397 if(ChanNum >= CtlP->AiopNumChan[AiopNum]) 398 return(FALSE); /* exceeds num chans in AIOP */ 399 400 /* Channel, AIOP, and controller identifiers */ 401 ChP->CtlP = CtlP; 402 ChP->ChanID = CtlP->AiopID[AiopNum]; 403 ChP->AiopNum = AiopNum; 404 ChP->ChanNum = ChanNum; 405 406 /* 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; 413 414 /* 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; 420 421 /* Initialize the channel from the RData array */ 422 for(i=0; i < RDATASIZE; i+=4) 423 { 424 R[0] = RData[i]; 425 R[1] = RData[i+1] + 0x10 * ChanNum; 426 R[2] = RData[i+2]; 427 R[3] = RData[i+3]; 428 sOutDW(ChP->IndexAddr,*((DWord_t *)&R[0])); 429 } 430 431 ChR = ChP->R; 432 for(i=0; i < RREGDATASIZE; i+=4) 433 { 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]; 438 } 439 440 /* Indexed registers */ 441 ChOff = (Word_t)ChanNum * 0x1000; 442 443 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]); 448 449 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]); 454 455 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]); 460 461 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]); 466 467 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]); 472 473 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]); 478 479 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]); 484 485 ChP->TxFIFOPtrs = ChOff + _TXF_OUTP; 486 ChP->TxFIFO = ChOff + _TX_FIFO; 487 488 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; 494 495 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 */ 509 510 return(TRUE); 511} 512 513/*************************************************************************** 514Function: sStopRxProcessor 515Purpose: Stop the receive processor from processing a channel. 516Call: sStopRxProcessor(ChP) 517 CHANNEL_T *ChP; Ptr to channel structure 518 519Comments: 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. 522 523Warnings: No context switches are allowed while executing this function. 524 525 Do not leave the receive processor stopped for more than one 526 character time. 527 528 After calling this function a delay of 4 uS is required to ensure 529 that the receive processor is no longer processing this channel. 530*/ 531void sStopRxProcessor(CHANNEL_T *ChP) 532{ 533 Byte_t R[4]; 534 535 R[0] = ChP->R[0]; 536 R[1] = ChP->R[1]; 537 R[2] = 0x0a; 538 R[3] = ChP->R[3]; 539 sOutDW(ChP->IndexAddr,*(DWord_t *)&R[0]); 540} 541 542/*************************************************************************** 543Function: sFlushRxFIFO 544Purpose: Flush the Rx FIFO 545Call: sFlushRxFIFO(ChP) 546 CHANNEL_T *ChP; Ptr to channel structure 547Return: void 548Comments: 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 553 this function. 554Warnings: No context switches are allowed while executing this function. 555*/ 556void sFlushRxFIFO(CHANNEL_T *ChP) 557{ 558 int i; 559 Byte_t Ch; /* channel number within AIOP */ 560 int RxFIFOEnabled; /* TRUE if Rx FIFO enabled */ 561 562 if(sGetRxCnt(ChP) == 0) /* Rx FIFO empty */ 563 return; /* don't need to flush */ 564 565 RxFIFOEnabled = FALSE; 566 if(ChP->R[0x32] == 0x08) /* Rx FIFO is enabled */ 567 { 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 */ 572 } 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); 581 if(RxFIFOEnabled) 582 sEnRxFIFO(ChP); /* enable Rx FIFO */ 583} 584 585/*************************************************************************** 586Function: sFlushTxFIFO 587Purpose: Flush the Tx FIFO 588Call: sFlushTxFIFO(ChP) 589 CHANNEL_T *ChP; Ptr to channel structure 590Return: void 591Comments: 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 596 this function. 597Warnings: No context switches are allowed while executing this function. 598*/ 599void sFlushTxFIFO(CHANNEL_T *ChP) 600{ 601 int i; 602 Byte_t Ch; /* channel number within AIOP */ 603 int TxEnabled; /* TRUE if transmitter enabled */ 604 605 if(sGetTxCnt(ChP) == 0) /* Tx FIFO empty */ 606 return; /* don't need to flush */ 607 608 TxEnabled = FALSE; 609 if(ChP->TxControl[3] & TX_ENABLE) 610 { 611 TxEnabled = TRUE; 612 sDisTransmit(ChP); /* disable transmitter */ 613 } 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); 622 if(TxEnabled) 623 sEnTransmit(ChP); /* enable transmitter */ 624 sStartRxProcessor(ChP); /* restart Rx processor */ 625} 626 627/*************************************************************************** 628Function: sWriteTxPrioByte 629Purpose: Write a byte of priority transmit data to a channel 630Call: sWriteTxPrioByte(ChP,Data) 631 CHANNEL_T *ChP; Ptr to channel structure 632 Byte_t Data; The transmit data byte 633 634Return: int: 1 if the bytes is successfully written, otherwise 0. 635 636Comments: The priority byte is transmitted before any data in the Tx FIFO. 637 638Warnings: No context switches are allowed while executing this function. 639*/ 640int sWriteTxPrioByte(CHANNEL_T *ChP, Byte_t Data) 641{ 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; 645 646 if(sGetTxCnt(ChP) > 1) /* write it to Tx priority buffer */ 647 { 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 */ 652 653 WordPtr = (Word_t *)(&DWBuf[0]); 654 *WordPtr = ChP->TxPrioBuf; /* data byte address */ 655 656 DWBuf[2] = Data; /* data byte value */ 657 sOutDW(IndexAddr,*((DWord_t *)(&DWBuf[0]))); /* write it out */ 658 659 *WordPtr = ChP->TxPrioCnt; /* Tx priority count address */ 660 661 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 */ 664 } 665 else /* write it to Tx FIFO */ 666 { 667 sWriteTxByte(sGetTxRxDataIO(ChP),Data); 668 } 669 return(1); /* 1 byte sent */ 670} 671 672/*************************************************************************** 673Function: sEnInterrupts 674Purpose: Enable one or more interrupts for a channel 675Call: 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 681 sSetRxTrigger()) 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. 686Return: void 687Comments: 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(). 691 692 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. 695 696 Interrupts must also be globally enabled before channel interrupts 697 will be passed on to the host. This is done with function 698 sEnGlobalInt(). 699 700 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. 703*/ 704void sEnInterrupts(CHANNEL_T *ChP,Word_t Flags) 705{ 706 Byte_t Mask; /* Interrupt Mask Register */ 707 708 ChP->RxControl[2] |= 709 ((Byte_t)Flags & (RXINT_EN | SRCINT_EN | MCINT_EN)); 710 711 sOutDW(ChP->IndexAddr,*(DWord_t *)&ChP->RxControl[0]); 712 713 ChP->TxControl[2] |= ((Byte_t)Flags & TXINT_EN); 714 715 sOutDW(ChP->IndexAddr,*(DWord_t *)&ChP->TxControl[0]); 716 717 if(Flags & CHANINT_EN) 718 { 719 Mask = sInB(ChP->IntMask) | sBitMapSetTbl[ChP->ChanNum]; 720 sOutB(ChP->IntMask,Mask); 721 } 722} 723 724/*************************************************************************** 725Function: sDisInterrupts 726Purpose: Disable one or more interrupts for a channel 727Call: 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 733 sSetRxTrigger()) 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. 738Return: void 739Comments: 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(). 743 744 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 747 Register. 748*/ 749void sDisInterrupts(CHANNEL_T *ChP,Word_t Flags) 750{ 751 Byte_t Mask; /* Interrupt Mask Register */ 752 753 ChP->RxControl[2] &= 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]); 758 759 if(Flags & CHANINT_EN) 760 { 761 Mask = sInB(ChP->IntMask) & sBitMapClrTbl[ChP->ChanNum]; 762 sOutB(ChP->IntMask,Mask); 763 } 764} 765 766/********************************************************************* 767 Begin FreeBsd-specific driver code 768**********************************************************************/ 769 770static int rpprobe __P((struct isa_device *)); 771static int rpattach __P((struct isa_device *)); 772 773static const char* rp_pciprobe(pcici_t tag, pcidi_t type); 774static void rp_pciattach(pcici_t tag, int unit); 775static u_long rp_pcicount; 776 777static struct pci_device rp_pcidevice = { 778 "rp", 779 rp_pciprobe, 780 rp_pciattach, 781 &rp_pcicount, 782 NULL 783}; 784 785COMPAT_PCI_DRIVER (rp_pci, rp_pcidevice); 786 787static timeout_t rpdtrwakeup; 788 789struct isa_driver rpdriver = { 790 rpprobe, rpattach, "rp" 791 }; 792 793static char driver_name[] = "rp"; 794 795static d_open_t rpopen; 796static d_close_t rpclose; 797static d_read_t rpread; 798static d_write_t rpwrite; 799static d_ioctl_t rpioctl; 800static d_stop_t rpstop; 801static d_devtotty_t rpdevtotty; 802 803#define CDEV_MAJOR 81 804static struct cdevsw rp_cdevsw = { 805 /* open */ rpopen, 806 /* close */ rpclose, 807 /* read */ rpread, 808 /* write */ rpwrite, 809 /* ioctl */ rpioctl, 810 /* stop */ rpstop, 811 /* reset */ noreset, 812 /* devtotty */ rpdevtotty, 813 /* poll */ ttpoll, 814 /* mmap */ nommap, 815 /* strategy */ nostrategy, 816 /* name */ driver_name, 817 /* parms */ noparms, 818 /* maj */ CDEV_MAJOR, 819 /* dump */ nodump, 820 /* psize */ nopsize, 821 /* flags */ D_TTY, 822 /* maxio */ 0, 823 /* bmaj */ -1 824}; 825 826static int rp_controller_port = 0; 827static int rp_num_ports_open = 0; 828static int ndevs = 0; 829static int minor_to_unit[128]; 830#if 0 831static struct tty rp_tty[128]; 832#endif 833 834static int rp_num_ports[4]; /* Number of ports on each controller */ 835 836#define _INLINE_ __inline 837#define POLL_INTERVAL 1 838 839#define CALLOUT_MASK 0x80 840#define CONTROL_MASK 0x60 841#define CONTROL_INIT_STATE 0x20 842#define CONTROL_LOCK_STATE 0x40 843#define DEV_UNIT(dev) (MINOR_TO_UNIT(minor(dev)) 844#define MINOR_MAGIC_MASK (CALLOUT_MASK | CONTROL_MASK) 845#define MINOR_MAGIC(dev) ((minor(dev)) & ~MINOR_MAGIC_MASK) 846#define IS_CALLOUT(dev) (minor(dev) & CALLOUT_MASK) 847#define IS_CONTROL(dev) (minor(dev) & CONTROL_MASK) 848 849#define RP_ISMULTIPORT(dev) ((dev)->id_flags & 0x1) 850#define RP_MPMASTER(dev) (((dev)->id_flags >> 8) & 0xff) 851#define RP_NOTAST4(dev) ((dev)->id_flags & 0x04) 852 853static struct rp_port *p_rp_addr[4]; 854static struct rp_port *p_rp_table[MAX_RP_PORTS]; 855#define rp_addr(unit) (p_rp_addr[unit]) 856#define rp_table(port) (p_rp_table[port]) 857 858/* 859 * The top-level routines begin here 860 */ 861 862int rpselect __P((dev_t, int, struct proc *)); 863 864static int rpparam __P((struct tty *, struct termios *)); 865static void rpstart __P((struct tty *)); 866static void rphardclose __P((struct rp_port *)); 867#define rpmap nomap 868#define rpreset noreset 869#define rpstrategy nostrategy 870static void rp_disc_optim __P((struct tty *tp, struct termios *t, 871 struct rp_port *rp)); 872 873static _INLINE_ void rp_do_receive(struct rp_port *rp, struct tty *tp, 874 CHANNEL_t *cp, unsigned int ChanStatus) 875{ 876 int spl; 877 unsigned int CharNStat; 878 int ToRecv, ch; 879 880 ToRecv = sGetRxCnt(cp); 881 if(ToRecv == 0) 882 return; 883 884/* If status indicates there are errored characters in the 885 FIFO, then enter status mode (a word in FIFO holds 886 characters and status) 887*/ 888 889 if(ChanStatus & (RXFOVERFL | RXBREAK | RXFRAME | RXPARITY)) { 890 if(!(ChanStatus & STATMODE)) { 891 ChanStatus |= STATMODE; 892 sEnRxStatusMode(cp); 893 } 894 } 895/* 896 if we previously entered status mode then read down the 897 FIFO one word at a time, pulling apart the character and 898 the status. Update error counters depending on status. 899*/ 900 if(ChanStatus & STATMODE) { 901 while(ToRecv) { 902 if(tp->t_state & TS_TBLOCK) { 903 break; 904 } 905 CharNStat = sInW(sGetTxRxDataIO(cp)); 906 ch = CharNStat & 0xff; 907 908 if((CharNStat & STMBREAK) || (CharNStat & STMFRAMEH)) 909 ch |= TTY_FE; 910 else if (CharNStat & STMPARITYH) 911 ch |= TTY_PE; 912 else if (CharNStat & STMRCVROVRH) 913 rp->rp_overflows++; 914 915 (*linesw[tp->t_line].l_rint)(ch, tp); 916 ToRecv--; 917 } 918/* 919 After emtying FIFO in status mode, turn off status mode 920*/ 921 922 if(sGetRxCnt(cp) == 0) 923 sDisRxStatusMode(cp); 924 } 925 else { 926 while (ToRecv) { 927 if(tp->t_state & TS_TBLOCK) { 928 break; 929 } 930 ch = (u_char) sInB(sGetTxRxDataIO(cp)); 931 spl = spltty(); 932 (*linesw[tp->t_line].l_rint)(ch, tp); 933 splx(spl); 934 ToRecv--; 935 } 936 } 937} 938 939static _INLINE_ void rp_handle_port(struct rp_port *rp) 940{ 941 CHANNEL_t *cp; 942 struct tty *tp; 943 unsigned int IntMask, ChanStatus; 944 /* int oldcts; */ 945 946 if(!rp) 947 return; 948 949 cp = &rp->rp_channel; 950 tp = rp->rp_tty; 951 IntMask = sGetChanIntID(cp); 952 IntMask = IntMask & rp->rp_intmask; 953 ChanStatus = sGetChanStatus(cp); 954 if(IntMask & RXF_TRIG) 955 if(!(tp->t_state & TS_TBLOCK) && (tp->t_state & TS_CARR_ON) && (tp->t_state & TS_ISOPEN)) { 956 rp_do_receive(rp, tp, cp, ChanStatus); 957 } 958 if(IntMask & DELTA_CD) { 959 if(ChanStatus & CD_ACT) { 960 if(!(tp->t_state & TS_CARR_ON) ) { 961 (void)(*linesw[tp->t_line].l_modem)(tp, 1); 962 } 963 } else { 964 if((tp->t_state & TS_CARR_ON)) { 965 (void)(*linesw[tp->t_line].l_modem)(tp, 0); 966 if((*linesw[tp->t_line].l_modem)(tp, 0) == 0) { 967 rphardclose(rp); 968 } 969 } 970 } 971 } 972/* oldcts = rp->rp_cts; 973 rp->rp_cts = ((ChanStatus & CTS_ACT) != 0); 974 if(oldcts != rp->rp_cts) { 975 printf("CTS change (now %s)... on port %d\n", rp->rp_cts ? "on" : "off", rp->rp_port); 976 } 977*/ 978} 979 980static void rp_do_poll(void *not_used) 981{ 982 CONTROLLER_t *ctl; 983 struct rp_port *rp; 984 struct tty *tp; 985 int unit, aiop, ch, line, count; 986 unsigned char CtlMask, AiopMask; 987 988 for(unit = 0; unit <= ndevs; unit++) { 989 rp = rp_addr(unit); 990 ctl = rp->rp_ctlp; 991 if(ctl->BusType == isPCI) 992 CtlMask = sPCIGetControllerIntStatus(ctl); 993 else 994 CtlMask = sGetControllerIntStatus(ctl); 995 for(aiop=0; CtlMask; CtlMask >>=1, aiop++) { 996 if(CtlMask & 1) { 997 AiopMask = sGetAiopIntStatus(ctl, aiop); 998 for(ch = 0; AiopMask; AiopMask >>=1, ch++) { 999 if(AiopMask & 1) { 1000 line = (unit << 5) | (aiop << 3) | ch; 1001 rp = rp_table(line); 1002 rp_handle_port(rp); 1003 } 1004 } 1005 } 1006 } 1007 1008 for(line = 0, rp = rp_addr(unit); line < rp_num_ports[unit]; 1009 line++, rp++) { 1010 tp = rp->rp_tty; 1011 if((tp->t_state & TS_BUSY) && (tp->t_state & TS_ISOPEN)) { 1012 count = sGetTxCnt(&rp->rp_channel); 1013 if(count == 0) 1014 tp->t_state &= ~(TS_BUSY); 1015 if(!(tp->t_state & TS_TTSTOP) && 1016 (count <= rp->rp_restart)) { 1017 (*linesw[tp->t_line].l_start)(tp); 1018 } 1019 } 1020 } 1021 } 1022 if(rp_num_ports_open) 1023 timeout(rp_do_poll, (void *)NULL, POLL_INTERVAL); 1024} 1025 1026static const char* 1027rp_pciprobe(pcici_t tag, pcidi_t type) 1028{ 1029 int vendor_id; 1030 1031 vendor_id = type & 0xffff; 1032 switch(vendor_id) 1033 case 0x11fe: 1034 return("rp"); 1035 return(NULL); 1036} 1037 1038static 1039int 1040rpprobe(dev) 1041struct isa_device *dev; 1042{ 1043 int controller, unit; 1044 int aiop, num_aiops; 1045 unsigned int aiopio[MAX_AIOPS_PER_BOARD]; 1046 CONTROLLER_t *ctlp; 1047 1048 unit = dev->id_unit; 1049 if (dev->id_unit >= 4) { 1050 printf("rpprobe: unit number %d invalid.\n", dev->id_unit); 1051 return 1; 1052 } 1053 printf("probing for RocketPort(ISA) unit %d\n", unit); 1054 if (rp_controller_port) 1055 controller = rp_controller_port; 1056 else { 1057 controller = dev->id_iobase + 0x40; 1058 } 1059 1060 for (aiop=0; aiop<MAX_AIOPS_PER_BOARD; aiop++) 1061 aiopio[aiop]= dev->id_iobase + (aiop * 0x400); 1062 1063 ctlp = sCtlNumToCtlPtr(dev->id_unit); 1064 num_aiops = sInitController(ctlp, dev->id_unit, 1065 controller + ((unit-rp_pcicount)*0x400), 1066 aiopio, MAX_AIOPS_PER_BOARD, 0, 1067 FREQ_DIS, 0); 1068 if (num_aiops <= 0) { 1069 printf("board%d init failed\n", unit); 1070 return 0; 1071 } 1072 1073 if (rp_controller_port) { 1074 dev->id_msize = 64; 1075 } else { 1076 dev->id_msize = 68; 1077 rp_controller_port = controller; 1078 } 1079 1080 dev->id_irq = 0; 1081 1082 return 1; 1083} 1084 1085static void 1086rp_pciattach(pcici_t tag, int unit) 1087{ 1088 int success, oldspl; 1089 u_short iobase; 1090 int num_ports, num_chan, num_aiops; 1091 int aiop, chan, port; 1092 int ChanStatus, line, i, count; 1093 unsigned int aiopio[MAX_AIOPS_PER_BOARD]; 1094 struct rp_port *rp; 1095 struct tty *tty; 1096 CONTROLLER_t *ctlp; 1097 1098 success = pci_map_port(tag, 0x10, &iobase); 1099 if(!success) 1100 printf("ioaddr mapping failed for RocketPort(PCI)\n"); 1101 1102 for(aiop=0; aiop < MAX_AIOPS_PER_BOARD; aiop++) 1103 aiopio[aiop] = iobase + (aiop * 0x40); 1104 1105 ctlp = sCtlNumToCtlPtr(unit); 1106 num_aiops = sPCIInitController(ctlp, unit, 1107 aiopio, MAX_AIOPS_PER_BOARD, 0, 1108 FREQ_DIS, 0); 1109 1110 num_ports = 0; 1111 for(aiop=0; aiop < num_aiops; aiop++) { 1112 sResetAiopByNum(ctlp, aiop); 1113 num_ports += sGetAiopNumChan(ctlp, aiop); 1114 } 1115 printf("RocketPort%d = %d ports\n", unit, num_ports); 1116 rp_num_ports[unit] = num_ports; 1117 1118 rp = (struct rp_port *) 1119 malloc(sizeof(struct rp_port) * num_ports, M_TTYS, M_NOWAIT); 1120 if(rp == 0) { 1121 printf("rp_attach: Could not malloc rp_ports structures\n"); 1122 return; 1123 } 1124 1125 count = unit * 32; /* board times max ports per card SG */ 1126 for(i=count;i < (count + rp_num_ports[unit]);i++) 1127 minor_to_unit[i] = unit; 1128 1129 bzero(rp, sizeof(struct rp_port) * num_ports); 1130 tty = (struct tty *) 1131 malloc(sizeof(struct tty) * num_ports, M_TTYS, M_NOWAIT); 1132 if(tty == 0) { 1133 printf("rp_attach: Could not malloc tty structures\n"); 1134 return; 1135 } 1136 bzero(tty, sizeof(struct tty) * num_ports); 1137 1138 oldspl = spltty(); 1139 rp_addr(unit) = rp; 1140 splx(oldspl); 1141 1142 cdevsw_add(&rp_cdevsw); 1143 1144 port = 0; 1145 for(aiop=0; aiop < num_aiops; aiop++) { 1146 num_chan = sGetAiopNumChan(ctlp, aiop); 1147 for(chan=0; chan < num_chan; chan++, port++, rp++, tty++) { 1148 rp->rp_tty = tty; 1149 rp->rp_port = port; 1150 rp->rp_ctlp = ctlp; 1151 rp->rp_unit = unit; 1152 rp->rp_chan = chan; 1153 rp->rp_aiop = aiop; 1154 1155 tty->t_line = 0; 1156 /* tty->t_termios = deftermios; 1157 */ 1158 rp->dtr_wait = 3 * hz; 1159 rp->it_in.c_iflag = 0; 1160 rp->it_in.c_oflag = 0; 1161 rp->it_in.c_cflag = TTYDEF_CFLAG; 1162 rp->it_in.c_lflag = 0; 1163 termioschars(&rp->it_in); 1164 /* termioschars(&tty->t_termios); 1165 */ 1166 rp->it_in.c_ispeed = rp->it_in.c_ospeed = TTYDEF_SPEED; 1167 rp->it_out = rp->it_in; 1168 1169 rp->rp_intmask = RXF_TRIG | TXFIFO_MT | SRC_INT | 1170 DELTA_CD | DELTA_CTS | DELTA_DSR; 1171 ChanStatus = sGetChanStatus(&rp->rp_channel); 1172 if(sInitChan(ctlp, &rp->rp_channel, aiop, chan) == 0) { 1173 printf("RocketPort sInitChan(%d, %d, %d) failed 1174 \n", unit, aiop, chan); 1175 return; 1176 } 1177 ChanStatus = sGetChanStatus(&rp->rp_channel); 1178 rp->rp_cts = (ChanStatus & CTS_ACT) != 0; 1179 line = (unit << 5) | (aiop << 3) | chan; 1180 rp_table(line) = rp; 1181 } 1182 } 1183} 1184 1185static 1186int 1187rpattach(dev) 1188struct isa_device *dev; 1189{ 1190 int iobase, unit, /*rpmajor,*/ oldspl; 1191 int num_ports, num_chan, num_aiops; 1192 int aiop, chan, port; 1193 int ChanStatus, line, i, count; 1194 unsigned int aiopio[MAX_AIOPS_PER_BOARD]; 1195 struct rp_port *rp; 1196 struct tty *tty; 1197 CONTROLLER_t *ctlp; 1198 1199 iobase = dev->id_iobase; 1200 unit = dev->id_unit; 1201 ndevs = unit; 1202 1203 for(aiop=0; aiop < MAX_AIOPS_PER_BOARD; aiop++) 1204 aiopio[aiop] = iobase + (aiop * 0x400); 1205 1206 ctlp = sCtlNumToCtlPtr(unit); 1207 num_aiops = sInitController(ctlp, unit, 1208 rp_controller_port + ((unit-rp_pcicount) * 0x400), 1209 aiopio, MAX_AIOPS_PER_BOARD, 0, 1210 FREQ_DIS, 0); 1211 1212 num_ports = 0; 1213 for(aiop=0; aiop < num_aiops; aiop++) { 1214 sResetAiopByNum(ctlp, aiop); 1215 sEnAiop(ctlp, aiop); 1216 num_ports += sGetAiopNumChan(ctlp, aiop); 1217 } 1218 printf("RocketPort%d = %d ports\n", unit, num_ports); 1219 rp_num_ports[unit] = num_ports; 1220 1221 rp = (struct rp_port *) 1222 malloc(sizeof(struct rp_port) * num_ports, M_TTYS, M_NOWAIT); 1223 if(rp == 0) { 1224 printf("rp_attach: Could not malloc rp_ports structures\n"); 1225 return(0); 1226 } 1227 1228 count = unit * 32; /* board # times max ports per card SG */ 1229 for(i=count;i < (count + rp_num_ports[unit]);i++) 1230 minor_to_unit[i] = unit; 1231 1232 bzero(rp, sizeof(struct rp_port) * num_ports); 1233 tty = (struct tty *) 1234 malloc(sizeof(struct tty) * num_ports, M_TTYS, M_NOWAIT); 1235 if(tty == 0) { 1236 printf("rp_attach: Could not malloc tty structures\n"); 1237 return(0); 1238 } 1239 bzero(tty, sizeof(struct tty) * num_ports); 1240 1241 oldspl = spltty(); 1242 rp_addr(unit) = rp; 1243 splx(oldspl); 1244 1245 cdevsw_add(&rp_cdevsw); 1246 1247 port = 0; 1248 for(aiop=0; aiop < num_aiops; aiop++) { 1249 num_chan = sGetAiopNumChan(ctlp, aiop); 1250 for(chan=0; chan < num_chan; chan++, port++, rp++, tty++) { 1251 rp->rp_tty = tty; 1252 rp->rp_port = port; 1253 rp->rp_ctlp = ctlp; 1254 rp->rp_unit = unit; 1255 rp->rp_chan = chan; 1256 rp->rp_aiop = aiop; 1257 1258 tty->t_line = 0; 1259 /* tty->t_termios = deftermios; 1260 */ 1261 rp->dtr_wait = 3 * hz; 1262 rp->it_in.c_iflag = 0; 1263 rp->it_in.c_oflag = 0; 1264 rp->it_in.c_cflag = TTYDEF_CFLAG; 1265 rp->it_in.c_lflag = 0; 1266 termioschars(&rp->it_in); 1267 /* termioschars(&tty->t_termios); 1268 */ 1269 rp->it_in.c_ispeed = rp->it_in.c_ospeed = TTYDEF_SPEED; 1270 rp->it_out = rp->it_in; 1271 1272 rp->rp_intmask = RXF_TRIG | TXFIFO_MT | SRC_INT | 1273 DELTA_CD | DELTA_CTS | DELTA_DSR; 1274 ChanStatus = sGetChanStatus(&rp->rp_channel); 1275 if(sInitChan(ctlp, &rp->rp_channel, aiop, chan) == 0) { 1276 printf("RocketPort sInitChan(%d, %d, %d) failed 1277 \n", unit, aiop, chan); 1278 return(0); 1279 } 1280 ChanStatus = sGetChanStatus(&rp->rp_channel); 1281 rp->rp_cts = (ChanStatus & CTS_ACT) != 0; 1282 line = (unit << 5) | (aiop << 3) | chan; 1283 rp_table(line) = rp; 1284 } 1285 } 1286 1287 return(1); 1288} 1289 1290int 1291rpopen(dev, flag, mode, p) 1292 dev_t dev; 1293 int flag, mode; 1294 struct proc *p; 1295{ 1296 struct rp_port *rp; 1297 int unit, port, mynor, umynor, flags; /* SG */ 1298 struct tty *tp; 1299 int oldspl, error; 1300 unsigned int IntMask, ChanStatus; 1301 1302 1303 umynor = (((minor(dev) >> 16) -1) * 32); /* SG */ 1304 port = (minor(dev) & 0x1f); /* SG */ 1305 mynor = (port + umynor); /* SG */ 1306 unit = minor_to_unit[mynor]; 1307 if(IS_CONTROL(dev)) 1308 return(0); 1309 rp = rp_addr(unit) + port; 1310/* rp->rp_tty = &rp_tty[rp->rp_port]; 1311*/ 1312 tp = rp->rp_tty; 1313 1314 oldspl = spltty(); 1315 1316open_top: 1317 while(rp->state & ~SET_DTR) { 1318 error = tsleep(&rp->dtr_wait, TTIPRI | PCATCH, "rpdtr", 0); 1319 if(error != 0) 1320 goto out; 1321 } 1322 1323 if(tp->t_state & TS_ISOPEN) { 1324 if(IS_CALLOUT(dev)) { 1325 if(!rp->active_out) { 1326 error = EBUSY; 1327 goto out; 1328 } 1329 } else { 1330 if(rp->active_out) { 1331 if(flag & O_NONBLOCK) { 1332 error = EBUSY; 1333 goto out; 1334 } 1335 error = tsleep(&rp->active_out, 1336 TTIPRI | PCATCH, "rpbi", 0); 1337 if(error != 0) 1338 goto out; 1339 goto open_top; 1340 } 1341 } 1342 if(tp->t_state & TS_XCLUDE && 1343 suser(p)) { 1344 splx(oldspl); 1345 return(EBUSY); 1346 } 1347 } 1348 else { 1349 tp->t_dev = dev; 1350 tp->t_param = rpparam; 1351 tp->t_oproc = rpstart; 1352 tp->t_line = 0; 1353 tp->t_termios = IS_CALLOUT(dev) ? rp->it_out : rp->it_in; 1354 flags = 0; 1355 flags |= SET_RTS; 1356 flags |= SET_DTR; 1357 rp->rp_channel.TxControl[3] = 1358 ((rp->rp_channel.TxControl[3] 1359 & ~(SET_RTS | SET_DTR)) | flags); 1360 sOutDW(rp->rp_channel.IndexAddr, 1361 *(DWord_t *) &(rp->rp_channel.TxControl[0])); 1362 sSetRxTrigger(&rp->rp_channel, TRIG_1); 1363 sDisRxStatusMode(&rp->rp_channel); 1364 sFlushRxFIFO(&rp->rp_channel); 1365 sFlushTxFIFO(&rp->rp_channel); 1366 1367 sEnInterrupts(&rp->rp_channel, 1368 (TXINT_EN|MCINT_EN|RXINT_EN|SRCINT_EN|CHANINT_EN)); 1369 sSetRxTrigger(&rp->rp_channel, TRIG_1); 1370 1371 sDisRxStatusMode(&rp->rp_channel); 1372 sClrTxXOFF(&rp->rp_channel); 1373 1374/* sDisRTSFlowCtl(&rp->rp_channel); 1375 sDisCTSFlowCtl(&rp->rp_channel); 1376*/ 1377 sDisTxSoftFlowCtl(&rp->rp_channel); 1378 1379 sStartRxProcessor(&rp->rp_channel); 1380 1381 sEnRxFIFO(&rp->rp_channel); 1382 sEnTransmit(&rp->rp_channel); 1383 1384/* sSetDTR(&rp->rp_channel); 1385 sSetRTS(&rp->rp_channel); 1386*/ 1387 1388 ++rp->wopeners; 1389 error = rpparam(tp, &tp->t_termios); 1390 --rp->wopeners; 1391 if(error != 0) { 1392 splx(oldspl); 1393 return(error); 1394 } 1395 1396 rp_num_ports_open++; 1397 1398 IntMask = sGetChanIntID(&rp->rp_channel); 1399 IntMask = IntMask & rp->rp_intmask; 1400 ChanStatus = sGetChanStatus(&rp->rp_channel); 1401 if((IntMask & DELTA_CD) || IS_CALLOUT(dev)) { 1402 if((ChanStatus & CD_ACT) || IS_CALLOUT(dev)) { 1403 (void)(*linesw[tp->t_line].l_modem)(tp, 1); 1404 } 1405 } 1406 1407 if(rp_num_ports_open == 1) 1408 timeout(rp_do_poll, (void *)NULL, POLL_INTERVAL); 1409 1410 } 1411 1412 if(!(flag&O_NONBLOCK) && !(tp->t_cflag&CLOCAL) && 1413 !(tp->t_state & TS_CARR_ON) && !(IS_CALLOUT(dev))) { 1414 ++rp->wopeners; 1415 error = tsleep(TSA_CARR_ON(tp), TTIPRI | PCATCH, 1416 "rpdcd", 0); 1417 --rp->wopeners; 1418 if(error != 0) 1419 goto out; 1420 goto open_top; 1421 } 1422 error = (*linesw[tp->t_line].l_open)(dev, tp); 1423 1424 rp_disc_optim(tp, &tp->t_termios, rp); 1425 if(tp->t_state & TS_ISOPEN && IS_CALLOUT(dev)) 1426 rp->active_out = TRUE; 1427 1428/* if(rp_num_ports_open == 1) 1429 timeout(rp_do_poll, (void *)NULL, POLL_INTERVAL); 1430*/ 1431out: 1432 splx(oldspl); 1433 if(!(tp->t_state & TS_ISOPEN) && rp->wopeners == 0) { 1434 rphardclose(rp); 1435 } 1436 return(error); 1437} 1438 1439int 1440rpclose(dev, flag, mode, p) 1441 dev_t dev; 1442 int flag, mode; 1443 struct proc *p; 1444{ 1445 int oldspl, unit, mynor, umynor, port; /* SG */ 1446 struct rp_port *rp; 1447 struct tty *tp; 1448 CHANNEL_t *cp; 1449 1450 umynor = (((minor(dev) >> 16) -1) * 32); /* SG */ 1451 port = (minor(dev) & 0x1f); /* SG */ 1452 mynor = (port + umynor); /* SG */ 1453 unit = minor_to_unit[mynor]; /* SG */ 1454 1455 if(IS_CONTROL(dev)) 1456 return(0); 1457 rp = rp_addr(unit) + port; 1458 cp = &rp->rp_channel; 1459 tp = rp->rp_tty; 1460 1461 oldspl = spltty(); 1462 (*linesw[tp->t_line].l_close)(tp, flag); 1463 rp_disc_optim(tp, &tp->t_termios, rp); 1464 rpstop(tp, FREAD | FWRITE); 1465 rphardclose(rp); 1466 1467 tp->t_state &= ~TS_BUSY; 1468 ttyclose(tp); 1469 1470 splx(oldspl); 1471 1472 return(0); 1473} 1474 1475static void 1476rphardclose(struct rp_port *rp) 1477{ 1478 int mynor; 1479 struct tty *tp; 1480 CHANNEL_t *cp; 1481 1482 cp = &rp->rp_channel; 1483 tp = rp->rp_tty; 1484 mynor = MINOR_MAGIC(tp->t_dev); 1485 1486 sFlushRxFIFO(cp); 1487 sFlushTxFIFO(cp); 1488 sDisTransmit(cp); 1489 sDisInterrupts(cp, TXINT_EN|MCINT_EN|RXINT_EN|SRCINT_EN|CHANINT_EN); 1490 sDisRTSFlowCtl(cp); 1491 sDisCTSFlowCtl(cp); 1492 sDisTxSoftFlowCtl(cp); 1493 sClrTxXOFF(cp); 1494 1495 if(tp->t_cflag&HUPCL || !(tp->t_state&TS_ISOPEN) || !rp->active_out) { 1496 sClrDTR(cp); 1497 } 1498 if(IS_CALLOUT(tp->t_dev)) { 1499 sClrDTR(cp); 1500 } 1501 if(rp->dtr_wait != 0) { 1502 timeout(rpdtrwakeup, rp, rp->dtr_wait); 1503 rp->state |= ~SET_DTR; 1504 } 1505 1506 rp->active_out = FALSE; 1507 wakeup(&rp->active_out); 1508 wakeup(TSA_CARR_ON(tp)); 1509} 1510 1511static 1512int 1513rpread(dev, uio, flag) 1514 dev_t dev; 1515 struct uio *uio; 1516 int flag; 1517{ 1518 struct rp_port *rp; 1519 struct tty *tp; 1520 int unit, mynor, umynor, port, error = 0; /* SG */ 1521 1522 umynor = (((minor(dev) >> 16) -1) * 32); /* SG */ 1523 port = (minor(dev) & 0x1f); /* SG */ 1524 mynor = (port + umynor); /* SG */ 1525 unit = minor_to_unit[mynor]; /* SG */ 1526 1527 if(IS_CONTROL(dev)) 1528 return(ENODEV); 1529 rp = rp_addr(unit) + port; 1530 tp = rp->rp_tty; 1531 error = (*linesw[tp->t_line].l_read)(tp, uio, flag); 1532 return(error); 1533} 1534 1535static 1536int 1537rpwrite(dev, uio, flag) 1538 dev_t dev; 1539 struct uio *uio; 1540 int flag; 1541{ 1542 struct rp_port *rp; 1543 struct tty *tp; 1544 int unit, mynor, port, umynor, error = 0; /* SG */ 1545 1546 umynor = (((minor(dev) >> 16) -1) * 32); /* SG */ 1547 port = (minor(dev) & 0x1f); /* SG */ 1548 mynor = (port + umynor); /* SG */ 1549 unit = minor_to_unit[mynor]; /* SG */ 1550 1551 if(IS_CONTROL(dev)) 1552 return(ENODEV); 1553 rp = rp_addr(unit) + port; 1554 tp = rp->rp_tty; 1555 while(rp->rp_disable_writes) { 1556 rp->rp_waiting = 1; 1557 error = ttysleep(tp, (caddr_t)rp, TTOPRI|PCATCH, "rp_write", 0); 1558 if (error) 1559 return(error); 1560 } 1561 1562 error = (*linesw[tp->t_line].l_write)(tp, uio, flag); 1563 return error; 1564} 1565 1566static void 1567rpdtrwakeup(void *chan) 1568{ 1569 struct rp_port *rp; 1570 1571 rp = (struct rp_port *)chan; 1572 rp->state &= SET_DTR; 1573 wakeup(&rp->dtr_wait); 1574} 1575 1576int 1577rpioctl(dev, cmd, data, flag, p) 1578 dev_t dev; 1579 u_long cmd; 1580 caddr_t data; 1581 int flag; 1582 struct proc *p; 1583{ 1584 struct rp_port *rp; 1585 CHANNEL_t *cp; 1586 struct tty *tp; 1587 int unit, mynor, port, umynor; /* SG */ 1588 int oldspl; 1589 int error = 0; 1590 int arg, flags, result, ChanStatus; 1591 int oldcmd; 1592 struct termios term, *t; 1593 1594 umynor = (((minor(dev) >> 16) -1) * 32); /* SG */ 1595 port = (minor(dev) & 0x1f); /* SG */ 1596 mynor = (port + umynor); /* SG */ 1597 unit = minor_to_unit[mynor]; 1598 rp = rp_addr(unit) + port; 1599 1600 if(IS_CONTROL(dev)) { 1601 struct termios *ct; 1602 1603 switch (IS_CONTROL(dev)) { 1604 case CONTROL_INIT_STATE: 1605 ct = IS_CALLOUT(dev) ? &rp->it_out : &rp->it_in; 1606 break; 1607 case CONTROL_LOCK_STATE: 1608 ct = IS_CALLOUT(dev) ? &rp->lt_out : &rp->lt_in; 1609 break; 1610 default: 1611 return(ENODEV); /* /dev/nodev */ 1612 } 1613 switch (cmd) { 1614 case TIOCSETA: 1615 error = suser(p); 1616 if(error != 0) 1617 return(error); 1618 *ct = *(struct termios *)data; 1619 return(0); 1620 case TIOCGETA: 1621 *(struct termios *)data = *ct; 1622 return(0); 1623 case TIOCGETD: 1624 *(int *)data = TTYDISC; 1625 return(0); 1626 case TIOCGWINSZ: 1627 bzero(data, sizeof(struct winsize)); 1628 return(0); 1629 default: 1630 return(ENOTTY); 1631 } 1632 } 1633 1634 tp = rp->rp_tty; 1635 cp = &rp->rp_channel; 1636 1637#if defined(COMPAT_43) || defined(COMPAT_SUNOS) 1638 term = tp->t_termios; 1639 oldcmd = cmd; 1640 error = ttsetcompat(tp, &cmd, data, &term); 1641 if(error != 0) 1642 return(error); 1643 if(cmd != oldcmd) { 1644 data = (caddr_t)&term; 1645 } 1646#endif 1647 if((cmd == TIOCSETA) || (cmd == TIOCSETAW) || (cmd == TIOCSETAF)) { 1648 int cc; 1649 struct termios *dt = (struct termios *)data; 1650 struct termios *lt = IS_CALLOUT(dev) 1651 ? &rp->lt_out : &rp->lt_in; 1652 1653 dt->c_iflag = (tp->t_iflag & lt->c_iflag) 1654 | (dt->c_iflag & ~lt->c_iflag); 1655 dt->c_oflag = (tp->t_oflag & lt->c_oflag) 1656 | (dt->c_oflag & ~lt->c_oflag); 1657 dt->c_cflag = (tp->t_cflag & lt->c_cflag) 1658 | (dt->c_cflag & ~lt->c_cflag); 1659 dt->c_lflag = (tp->t_lflag & lt->c_lflag) 1660 | (dt->c_lflag & ~lt->c_lflag); 1661 for(cc = 0; cc < NCCS; ++cc) 1662 if((lt->c_cc[cc] = tp->t_cc[cc]) != 0) 1663 dt->c_cc[cc] = tp->t_cc[cc]; 1664 if(lt->c_ispeed != 0) 1665 dt->c_ispeed = tp->t_ispeed; 1666 if(lt->c_ospeed != 0) 1667 dt->c_ospeed = tp->t_ospeed; 1668 } 1669 1670 t = &tp->t_termios; 1671 1672 error = (*linesw[tp->t_line].l_ioctl)(tp, cmd, data, flag, p); 1673 if(error != ENOIOCTL) { 1674 return(error); 1675 } 1676 oldspl = spltty(); 1677 1678 flags = rp->rp_channel.TxControl[3]; 1679 1680 error = ttioctl(tp, cmd, data, flag); 1681 flags = rp->rp_channel.TxControl[3]; 1682 rp_disc_optim(tp, &tp->t_termios, rp); 1683 if(error != ENOIOCTL) { 1684 splx(oldspl); 1685 return(error); 1686 } 1687 switch(cmd) { 1688 case TIOCSBRK: 1689 sSendBreak(&rp->rp_channel); 1690 break; 1691 1692 case TIOCCBRK: 1693 sClrBreak(&rp->rp_channel); 1694 break; 1695 1696 case TIOCSDTR: 1697 sSetDTR(&rp->rp_channel); 1698 sSetRTS(&rp->rp_channel); 1699 break; 1700 1701 case TIOCCDTR: 1702 sClrDTR(&rp->rp_channel); 1703 break; 1704 1705 case TIOCMSET: 1706 arg = *(int *) data; 1707 flags = 0; 1708 if(arg & TIOCM_RTS) 1709 flags |= SET_RTS; 1710 if(arg & TIOCM_DTR) 1711 flags |= SET_DTR; 1712 rp->rp_channel.TxControl[3] = 1713 ((rp->rp_channel.TxControl[3] 1714 & ~(SET_RTS | SET_DTR)) | flags); 1715 sOutDW(rp->rp_channel.IndexAddr, 1716 *(DWord_t *) &(rp->rp_channel.TxControl[0])); 1717 break; 1718 case TIOCMBIS: 1719 arg = *(int *) data; 1720 flags = 0; 1721 if(arg & TIOCM_RTS) 1722 flags |= SET_RTS; 1723 if(arg & TIOCM_DTR) 1724 flags |= SET_DTR; 1725 rp->rp_channel.TxControl[3] |= flags; 1726 sOutDW(rp->rp_channel.IndexAddr, 1727 *(DWord_t *) &(rp->rp_channel.TxControl[0])); 1728 break; 1729 case TIOCMBIC: 1730 arg = *(int *) data; 1731 flags = 0; 1732 if(arg & TIOCM_RTS) 1733 flags |= SET_RTS; 1734 if(arg & TIOCM_DTR) 1735 flags |= SET_DTR; 1736 rp->rp_channel.TxControl[3] &= ~flags; 1737 sOutDW(rp->rp_channel.IndexAddr, 1738 *(DWord_t *) &(rp->rp_channel.TxControl[0])); 1739 break; 1740 1741 1742 case TIOCMGET: 1743 ChanStatus = sGetChanStatusLo(&rp->rp_channel); 1744 flags = rp->rp_channel.TxControl[3]; 1745 result = TIOCM_LE; /* always on while open for some reason */ 1746 result |= (((flags & SET_DTR) ? TIOCM_DTR : 0) 1747 | ((flags & SET_RTS) ? TIOCM_RTS : 0) 1748 | ((ChanStatus & CD_ACT) ? TIOCM_CAR : 0) 1749 | ((ChanStatus & DSR_ACT) ? TIOCM_DSR : 0) 1750 | ((ChanStatus & CTS_ACT) ? TIOCM_CTS : 0)); 1751 1752 if(rp->rp_channel.RxControl[2] & RTSFC_EN) 1753 { 1754 result |= TIOCM_RTS; 1755 } 1756 1757 *(int *)data = result; 1758 break; 1759 case TIOCMSDTRWAIT: 1760 error = suser(p); 1761 if(error != 0) { 1762 splx(oldspl); 1763 return(error); 1764 } 1765 rp->dtr_wait = *(int *)data * hz/100; 1766 break; 1767 case TIOCMGDTRWAIT: 1768 *(int *)data = rp->dtr_wait * 100/hz; 1769 break; 1770 default: 1771 splx(oldspl); 1772 return ENOTTY; 1773 } 1774 splx(oldspl); 1775 return(0); 1776} 1777 1778static struct speedtab baud_table[] = { 1779 B0, 0, B50, BRD50, B75, BRD75, 1780 B110, BRD110, B134, BRD134, B150, BRD150, 1781 B200, BRD200, B300, BRD300, B600, BRD600, 1782 B1200, BRD1200, B1800, BRD1800, B2400, BRD2400, 1783 B4800, BRD4800, B9600, BRD9600, B19200, BRD19200, 1784 B38400, BRD38400, B7200, BRD7200, B14400, BRD14400, 1785 B57600, BRD57600, B76800, BRD76800, 1786 B115200, BRD115200, B230400, BRD230400, 1787 -1, -1 1788}; 1789 1790static int 1791rpparam(tp, t) 1792 struct tty *tp; 1793 struct termios *t; 1794{ 1795 struct rp_port *rp; 1796 CHANNEL_t *cp; 1797 int unit, mynor, port, umynor; /* SG */ 1798 int oldspl, cflag, iflag, oflag, lflag; 1799 int ospeed; 1800 1801 1802 umynor = (((minor(tp->t_dev) >> 16) -1) * 32); /* SG */ 1803 port = (minor(tp->t_dev) & 0x1f); /* SG */ 1804 mynor = (port + umynor); /* SG */ 1805 1806 unit = minor_to_unit[mynor]; 1807 rp = rp_addr(unit) + port; 1808 cp = &rp->rp_channel; 1809 oldspl = spltty(); 1810 1811 cflag = t->c_cflag; 1812 iflag = t->c_iflag; 1813 oflag = t->c_oflag; 1814 lflag = t->c_lflag; 1815 1816 ospeed = ttspeedtab(t->c_ispeed, baud_table); 1817 if(ospeed < 0 || t->c_ispeed != t->c_ospeed) 1818 return(EINVAL); 1819 1820 tp->t_ispeed = t->c_ispeed; 1821 tp->t_ospeed = t->c_ospeed; 1822 tp->t_cflag = cflag; 1823 tp->t_iflag = iflag; 1824 tp->t_oflag = oflag; 1825 tp->t_lflag = lflag; 1826 1827 if(t->c_ospeed == 0) { 1828 sClrDTR(cp); 1829 return(0); 1830 } 1831 rp->rp_fifo_lw = ((t->c_ospeed*2) / 1000) +1; 1832 1833 /* Set baud rate ----- we only pay attention to ispeed */ 1834 sSetDTR(cp); 1835 sSetRTS(cp); 1836 sSetBaud(cp, ospeed); 1837 1838 if(cflag & CSTOPB) { 1839 sSetStop2(cp); 1840 } else { 1841 sSetStop1(cp); 1842 } 1843 1844 if(cflag & PARENB) { 1845 sEnParity(cp); 1846 if(cflag & PARODD) { 1847 sSetOddParity(cp); 1848 } else { 1849 sSetEvenParity(cp); 1850 } 1851 } 1852 else { 1853 sDisParity(cp); 1854 } 1855 if((cflag & CSIZE) == CS8) { 1856 sSetData8(cp); 1857 rp->rp_imask = 0xFF; 1858 } else { 1859 sSetData7(cp); 1860 rp->rp_imask = 0x7F; 1861 } 1862 1863 if(iflag & ISTRIP) { 1864 rp->rp_imask &= 0x7F; 1865 } 1866 1867 if(cflag & CLOCAL) { 1868 rp->rp_intmask &= ~DELTA_CD; 1869 } else { 1870 rp->rp_intmask |= DELTA_CD; 1871 } 1872 1873 /* Put flow control stuff here */ 1874 1875 if(cflag & CCTS_OFLOW) { 1876 sEnCTSFlowCtl(cp); 1877 } else { 1878 sDisCTSFlowCtl(cp); 1879 } 1880 1881 if(cflag & CRTS_IFLOW) { 1882 rp->rp_rts_iflow = 1; 1883 } else { 1884 rp->rp_rts_iflow = 0; 1885 } 1886 1887 if(cflag & CRTS_IFLOW) { 1888 sEnRTSFlowCtl(cp); 1889 } else { 1890 sDisRTSFlowCtl(cp); 1891 } 1892 rp_disc_optim(tp, t, rp); 1893 1894 if((cflag & CLOCAL) || (sGetChanStatusLo(cp) & CD_ACT)) { 1895 tp->t_state |= TS_CARR_ON; 1896 wakeup(TSA_CARR_ON(tp)); 1897 } 1898 1899/* tp->t_state |= TS_CAN_BYPASS_L_RINT; 1900 flags = rp->rp_channel.TxControl[3]; 1901 if(flags & SET_DTR) 1902 else 1903 if(flags & SET_RTS) 1904 else 1905*/ 1906 splx(oldspl); 1907 1908 return(0); 1909} 1910 1911static void 1912rp_disc_optim(tp, t, rp) 1913struct tty *tp; 1914struct termios *t; 1915struct rp_port *rp; 1916{ 1917 if(!(t->c_iflag & (ICRNL | IGNCR | IMAXBEL | INLCR | ISTRIP | IXON)) 1918 &&(!(t->c_iflag & BRKINT) || (t->c_iflag & IGNBRK)) 1919 &&(!(t->c_iflag & PARMRK) 1920 ||(t->c_iflag & (IGNPAR | IGNBRK)) == (IGNPAR | IGNBRK)) 1921 && !(t->c_lflag & (ECHO | ICANON | IEXTEN | ISIG | PENDIN)) 1922 && linesw[tp->t_line].l_rint == ttyinput) 1923 tp->t_state |= TS_CAN_BYPASS_L_RINT; 1924 else 1925 tp->t_state &= ~TS_CAN_BYPASS_L_RINT; 1926} 1927 1928static void 1929rpstart(tp) 1930 struct tty *tp; 1931{ 1932 struct rp_port *rp; 1933 CHANNEL_t *cp; 1934 struct clist *qp; 1935 int unit, mynor, port, umynor; /* SG */ 1936 char ch, flags; 1937 int spl, xmit_fifo_room; 1938 int count; 1939 1940 1941 umynor = (((minor(tp->t_dev) >> 16) -1) * 32); /* SG */ 1942 port = (minor(tp->t_dev) & 0x1f); /* SG */ 1943 mynor = (port + umynor); /* SG */ 1944 unit = minor_to_unit[mynor]; 1945 rp = rp_addr(unit) + port; 1946 cp = &rp->rp_channel; 1947 flags = rp->rp_channel.TxControl[3]; 1948 spl = spltty(); 1949 1950 if(tp->t_state & (TS_TIMEOUT | TS_TTSTOP)) { 1951 ttwwakeup(tp); 1952 splx(spl); 1953 return; 1954 } 1955 if(rp->rp_xmit_stopped) { 1956 sEnTransmit(cp); 1957 rp->rp_xmit_stopped = 0; 1958 } 1959 count = sGetTxCnt(cp); 1960 1961 if(tp->t_outq.c_cc == 0) { 1962 if((tp->t_state & TS_BUSY) && (count == 0)) { 1963 tp->t_state &= ~TS_BUSY; 1964 } 1965 ttwwakeup(tp); 1966 splx(spl); 1967 return; 1968 } 1969 xmit_fifo_room = TXFIFO_SIZE - sGetTxCnt(cp); 1970 qp = &tp->t_outq; 1971 count = 0; 1972 if(xmit_fifo_room > 0 && qp->c_cc > 0) { 1973 tp->t_state |= TS_BUSY; 1974 } 1975 while(xmit_fifo_room > 0 && qp->c_cc > 0) { 1976 ch = getc(qp); 1977 sOutB(sGetTxRxDataIO(cp), ch); 1978 xmit_fifo_room--; 1979 count++; 1980 } 1981 rp->rp_restart = (qp->c_cc > 0) ? rp->rp_fifo_lw : 0; 1982 1983 ttwwakeup(tp); 1984 splx(spl); 1985} 1986 1987static 1988void 1989rpstop(tp, flag) 1990 register struct tty *tp; 1991 int flag; 1992{ 1993 struct rp_port *rp; 1994 CHANNEL_t *cp; 1995 int unit, mynor, port, umynor; /* SG */ 1996 int spl; 1997 1998 umynor = (((minor(tp->t_dev) >> 16) -1) * 32); /* SG */ 1999 port = (minor(tp->t_dev) & 0x1f); /* SG */ 2000 mynor = (port + umynor); /* SG */ 2001 unit = minor_to_unit[mynor]; 2002 rp = rp_addr(unit) + port; 2003 cp = &rp->rp_channel; 2004 2005 spl = spltty(); 2006 2007 if(tp->t_state & TS_BUSY) { 2008 if((tp->t_state&TS_TTSTOP) == 0) { 2009 sFlushTxFIFO(cp); 2010 } else { 2011 if(rp->rp_xmit_stopped == 0) { 2012 sDisTransmit(cp); 2013 rp->rp_xmit_stopped = 1; 2014 } 2015 } 2016 } 2017 splx(spl); 2018 rpstart(tp); 2019} 2020 2021int 2022rpselect(dev, flag, p) 2023 dev_t dev; 2024 int flag; 2025 struct proc *p; 2026{ 2027 return(0); 2028} 2029 2030struct tty * 2031rpdevtotty(dev_t dev) 2032{ 2033 struct rp_port *rp; 2034 int unit, port, mynor, umynor; /* SG */ 2035 2036 umynor = (((minor(dev) >> 16) -1) * 32); /* SG */ 2037 port = (minor(dev) & 0x1f); /* SG */ 2038 mynor = (port + umynor); /* SG */ 2039 unit = minor_to_unit[mynor]; /* SG */ 2040 2041 if(IS_CONTROL(dev)) 2042 return(NULL); 2043 rp = rp_addr(unit) + port; 2044 return(rp->rp_tty); 2045} 2046