advlib.c revision 1.12
1 /* $NetBSD: advlib.c,v 1.12 2000/06/26 14:38:50 mrg Exp $ */ 2 3 /* 4 * Low level routines for the Advanced Systems Inc. SCSI controllers chips 5 * 6 * Copyright (c) 1998 The NetBSD Foundation, Inc. 7 * All rights reserved. 8 * 9 * Author: Baldassare Dante Profeta <dante (at) mclink.it> 10 * 11 * Redistribution and use in source and binary forms, with or without 12 * modification, are permitted provided that the following conditions 13 * are met: 14 * 1. Redistributions of source code must retain the above copyright 15 * notice, this list of conditions and the following disclaimer. 16 * 2. Redistributions in binary form must reproduce the above copyright 17 * notice, this list of conditions and the following disclaimer in the 18 * documentation and/or other materials provided with the distribution. 19 * 3. All advertising materials mentioning features or use of this software 20 * must display the following acknowledgement: 21 * This product includes software developed by the NetBSD 22 * Foundation, Inc. and its contributors. 23 * 4. Neither the name of The NetBSD Foundation nor the names of its 24 * contributors may be used to endorse or promote products derived 25 * from this software without specific prior written permission. 26 * 27 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 28 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 29 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 30 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 31 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 32 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 33 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 34 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 35 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 36 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 37 * POSSIBILITY OF SUCH DAMAGE. 38 */ 39 /* 40 * Ported from: 41 */ 42 /* 43 * advansys.c - Linux Host Driver for AdvanSys SCSI Adapters 44 * 45 * Copyright (c) 1995-1998 Advanced System Products, Inc. 46 * All Rights Reserved. 47 * 48 * Redistribution and use in source and binary forms, with or without 49 * modification, are permitted provided that redistributions of source 50 * code retain the above copyright notice and this comment without 51 * modification. 52 * 53 */ 54 55 #include <sys/types.h> 56 #include <sys/param.h> 57 #include <sys/systm.h> 58 #include <sys/malloc.h> 59 #include <sys/kernel.h> 60 #include <sys/queue.h> 61 #include <sys/device.h> 62 63 #include <machine/bus.h> 64 #include <machine/intr.h> 65 66 #include <dev/scsipi/scsi_all.h> 67 #include <dev/scsipi/scsipi_all.h> 68 #include <dev/scsipi/scsiconf.h> 69 70 #include <vm/vm.h> 71 72 #include <dev/ic/advlib.h> 73 #include <dev/ic/adv.h> 74 #include <dev/ic/advmcode.h> 75 76 77 /* #define ASC_DEBUG */ 78 79 /******************************************************************************/ 80 /* Static functions */ 81 /******************************************************************************/ 82 83 /* Initializzation routines */ 84 static u_int32_t AscLoadMicroCode __P((bus_space_tag_t, bus_space_handle_t, 85 u_int16_t, u_int16_t *, u_int16_t)); 86 static void AscInitLram __P((ASC_SOFTC *)); 87 static void AscInitQLinkVar __P((ASC_SOFTC *)); 88 static int AscResetChipAndScsiBus __P((bus_space_tag_t, bus_space_handle_t)); 89 static u_int16_t AscGetChipBusType __P((bus_space_tag_t, bus_space_handle_t)); 90 /* 91 static u_int16_t AscGetEisaChipCfg __P((bus_space_tag_t, bus_space_handle_t)); 92 */ 93 /* Chip register routines */ 94 static void AscSetBank __P((bus_space_tag_t, bus_space_handle_t, u_int8_t)); 95 96 /* RISC Chip routines */ 97 static int AscStartChip __P((bus_space_tag_t, bus_space_handle_t)); 98 static int AscStopChip __P((bus_space_tag_t, bus_space_handle_t)); 99 static u_int8_t AscSetChipScsiID __P((bus_space_tag_t, bus_space_handle_t, 100 u_int8_t)); 101 static u_int8_t AscGetChipScsiCtrl __P((bus_space_tag_t, bus_space_handle_t)); 102 static int AscSetRunChipSynRegAtID __P((bus_space_tag_t, bus_space_handle_t, 103 u_int8_t, u_int8_t)); 104 static int AscSetChipSynRegAtID __P((bus_space_tag_t, bus_space_handle_t, 105 u_int8_t, u_int8_t)); 106 static int AscHostReqRiscHalt __P((bus_space_tag_t, bus_space_handle_t)); 107 static int AscIsChipHalted __P((bus_space_tag_t, bus_space_handle_t)); 108 static void AscSetChipIH __P((bus_space_tag_t, bus_space_handle_t, u_int16_t)); 109 110 /* Lram routines */ 111 static u_int8_t AscReadLramByte __P((bus_space_tag_t, bus_space_handle_t, 112 u_int16_t)); 113 static void AscWriteLramByte __P((bus_space_tag_t, bus_space_handle_t, 114 u_int16_t, u_int8_t)); 115 static u_int16_t AscReadLramWord __P((bus_space_tag_t, bus_space_handle_t, 116 u_int16_t)); 117 static void AscWriteLramWord __P((bus_space_tag_t, bus_space_handle_t, 118 u_int16_t, u_int16_t)); 119 static u_int32_t AscReadLramDWord __P((bus_space_tag_t, bus_space_handle_t, 120 u_int16_t)); 121 static void AscWriteLramDWord __P((bus_space_tag_t, bus_space_handle_t, 122 u_int16_t, u_int32_t)); 123 static void AscMemWordSetLram __P((bus_space_tag_t, bus_space_handle_t, 124 u_int16_t, u_int16_t, int)); 125 static void AscMemWordCopyToLram __P((bus_space_tag_t, bus_space_handle_t, 126 u_int16_t, u_int16_t *, int)); 127 static void AscMemWordCopyFromLram __P((bus_space_tag_t, bus_space_handle_t, 128 u_int16_t, u_int16_t *, int)); 129 static void AscMemDWordCopyToLram __P((bus_space_tag_t, bus_space_handle_t, 130 u_int16_t, u_int32_t *, int)); 131 static u_int32_t AscMemSumLramWord __P((bus_space_tag_t, bus_space_handle_t, 132 u_int16_t, int)); 133 static int AscTestExternalLram __P((bus_space_tag_t, bus_space_handle_t)); 134 135 /* MicroCode routines */ 136 static u_int16_t AscInitMicroCodeVar __P((ASC_SOFTC *)); 137 138 /* EEProm routines */ 139 static int AscWriteEEPCmdReg __P((bus_space_tag_t, bus_space_handle_t, 140 u_int8_t)); 141 static int AscWriteEEPDataReg __P((bus_space_tag_t, bus_space_handle_t, 142 u_int16_t)); 143 static void AscWaitEEPRead __P((void)); 144 static void AscWaitEEPWrite __P((void)); 145 static u_int16_t AscReadEEPWord __P((bus_space_tag_t, bus_space_handle_t, 146 u_int8_t)); 147 static u_int16_t AscWriteEEPWord __P((bus_space_tag_t, bus_space_handle_t, 148 u_int8_t, u_int16_t)); 149 static u_int16_t AscGetEEPConfig __P((bus_space_tag_t, bus_space_handle_t, 150 ASCEEP_CONFIG *, u_int16_t)); 151 static int AscSetEEPConfig __P((bus_space_tag_t, bus_space_handle_t, 152 ASCEEP_CONFIG *, u_int16_t)); 153 static int AscSetEEPConfigOnce __P((bus_space_tag_t, bus_space_handle_t, 154 ASCEEP_CONFIG *, u_int16_t)); 155 #ifdef ASC_DEBUG 156 static void AscPrintEEPConfig __P((ASCEEP_CONFIG *, u_int16_t)); 157 #endif 158 159 /* Interrupt routines */ 160 static void AscIsrChipHalted __P((ASC_SOFTC *)); 161 static int AscIsrQDone __P((ASC_SOFTC *)); 162 static int AscWaitTixISRDone __P((ASC_SOFTC *, u_int8_t)); 163 static int AscWaitISRDone __P((ASC_SOFTC *)); 164 static u_int8_t _AscCopyLramScsiDoneQ __P((bus_space_tag_t, bus_space_handle_t, 165 u_int16_t, ASC_QDONE_INFO *, 166 u_int32_t)); 167 static void AscGetQDoneInfo __P((bus_space_tag_t, bus_space_handle_t, u_int16_t, 168 ASC_QDONE_INFO *)); 169 static void AscToggleIRQAct __P((bus_space_tag_t, bus_space_handle_t)); 170 static void AscDisableInterrupt __P((bus_space_tag_t, bus_space_handle_t)); 171 static void AscEnableInterrupt __P((bus_space_tag_t, bus_space_handle_t)); 172 static u_int8_t AscSetChipIRQ __P((bus_space_tag_t, bus_space_handle_t, 173 u_int8_t, u_int16_t)); 174 static void AscAckInterrupt __P((bus_space_tag_t, bus_space_handle_t)); 175 static u_int32_t AscGetMaxDmaCount __P((u_int16_t)); 176 static u_int16_t AscSetIsaDmaChannel __P((bus_space_tag_t, bus_space_handle_t, 177 u_int16_t)); 178 static u_int8_t AscGetIsaDmaSpeed __P((bus_space_tag_t, bus_space_handle_t)); 179 static u_int8_t AscSetIsaDmaSpeed __P((bus_space_tag_t, bus_space_handle_t, 180 u_int8_t)); 181 182 /* Messages routines */ 183 static void AscHandleExtMsgIn __P((ASC_SOFTC *, u_int16_t, u_int8_t, 184 ASC_SCSI_BIT_ID_TYPE, int, u_int8_t)); 185 static u_int8_t AscMsgOutSDTR __P((ASC_SOFTC *, u_int8_t, u_int8_t)); 186 187 /* SDTR routines */ 188 static void AscSetChipSDTR __P((bus_space_tag_t, bus_space_handle_t, 189 u_int8_t, u_int8_t)); 190 static u_int8_t AscCalSDTRData __P((ASC_SOFTC *, u_int8_t, u_int8_t)); 191 static u_int8_t AscGetSynPeriodIndex __P((ASC_SOFTC *, u_int8_t)); 192 193 /* Queue routines */ 194 static int AscSendScsiQueue __P((ASC_SOFTC *, ASC_SCSI_Q *, u_int8_t)); 195 static int AscSgListToQueue __P((int)); 196 static u_int AscGetNumOfFreeQueue __P((ASC_SOFTC *, u_int8_t, u_int8_t)); 197 static int AscPutReadyQueue __P((ASC_SOFTC *, ASC_SCSI_Q *, u_int8_t)); 198 static void AscPutSCSIQ __P((bus_space_tag_t, bus_space_handle_t, 199 u_int16_t, ASC_SCSI_Q *)); 200 static int AscPutReadySgListQueue __P((ASC_SOFTC *, ASC_SCSI_Q *, u_int8_t)); 201 static u_int8_t AscAllocFreeQueue __P((bus_space_tag_t, bus_space_handle_t, 202 u_int8_t)); 203 static u_int8_t AscAllocMultipleFreeQueue __P((bus_space_tag_t, 204 bus_space_handle_t, 205 u_int8_t, u_int8_t)); 206 static int AscStopQueueExe __P((bus_space_tag_t, bus_space_handle_t)); 207 static void AscStartQueueExe __P((bus_space_tag_t, bus_space_handle_t)); 208 static void AscCleanUpBusyQueue __P((bus_space_tag_t, bus_space_handle_t)); 209 static int _AscWaitQDone __P((bus_space_tag_t, bus_space_handle_t, 210 ASC_SCSI_Q *)); 211 static int AscCleanUpDiscQueue __P((bus_space_tag_t, bus_space_handle_t)); 212 213 /* Abort and Reset CCB routines */ 214 static int AscRiscHaltedAbortCCB __P((ASC_SOFTC *, ADV_CCB *)); 215 static int AscRiscHaltedAbortTIX __P((ASC_SOFTC *, u_int8_t)); 216 217 /* Error Handling routines */ 218 static int AscSetLibErrorCode __P((ASC_SOFTC *, u_int16_t)); 219 220 /* Handle bugged borads routines */ 221 static int AscTagQueuingSafe __P((ASC_SCSI_INQUIRY *)); 222 static void AscAsyncFix __P((ASC_SOFTC *, u_int8_t, ASC_SCSI_INQUIRY *)); 223 224 /* Miscellaneous routines */ 225 static int AscCompareString __P((u_char *, u_char *, int)); 226 227 /* Device oriented routines */ 228 static int DvcEnterCritical __P((void)); 229 static void DvcLeaveCritical __P((int)); 230 static void DvcSleepMilliSecond __P((u_int32_t)); 231 //static void DvcDelayMicroSecond __P((u_int32_t)); 232 static void DvcDelayNanoSecond __P((u_int32_t)); 233 234 235 /******************************************************************************/ 236 /* Initializzation routines */ 237 /******************************************************************************/ 238 239 /* 240 * This function perform the following steps: 241 * - initialize ASC_SOFTC structure with defaults values. 242 * - inquire board registers to know what kind of board it is. 243 * - keep track of bugged borads. 244 */ 245 void 246 AscInitASC_SOFTC(sc) 247 ASC_SOFTC *sc; 248 { 249 bus_space_tag_t iot = sc->sc_iot; 250 bus_space_handle_t ioh = sc->sc_ioh; 251 int i; 252 253 254 ASC_SET_CHIP_CONTROL(iot, ioh, ASC_CC_HALT); 255 ASC_SET_CHIP_STATUS(iot, ioh, 0); 256 257 sc->bug_fix_cntl = 0; 258 sc->pci_fix_asyn_xfer = 0; 259 sc->pci_fix_asyn_xfer_always = 0; 260 sc->sdtr_done = 0; 261 sc->cur_total_qng = 0; 262 sc->last_q_shortage = 0; 263 sc->use_tagged_qng = 0; 264 sc->unit_not_ready = 0; 265 sc->queue_full_or_busy = 0; 266 sc->host_init_sdtr_index = 0; 267 sc->can_tagged_qng = 0; 268 sc->cmd_qng_enabled = 0; 269 sc->dvc_cntl = ASC_DEF_DVC_CNTL; 270 sc->init_sdtr = 0; 271 sc->max_total_qng = ASC_DEF_MAX_TOTAL_QNG; 272 sc->scsi_reset_wait = 3; 273 sc->start_motor = ASC_SCSI_WIDTH_BIT_SET; 274 sc->max_dma_count = AscGetMaxDmaCount(sc->bus_type); 275 sc->sdtr_enable = ASC_SCSI_WIDTH_BIT_SET; 276 sc->disc_enable = ASC_SCSI_WIDTH_BIT_SET; 277 sc->chip_scsi_id = ASC_DEF_CHIP_SCSI_ID; 278 sc->lib_serial_no = ASC_LIB_SERIAL_NUMBER; 279 sc->lib_version = (ASC_LIB_VERSION_MAJOR << 8) | ASC_LIB_VERSION_MINOR; 280 if ((sc->bus_type & ASC_IS_PCI) && 281 (sc->chip_version >= ASC_CHIP_VER_PCI_ULTRA_3150)) { 282 sc->bus_type = ASC_IS_PCI_ULTRA; 283 sc->sdtr_period_tbl[0] = SYN_ULTRA_XFER_NS_0; 284 sc->sdtr_period_tbl[1] = SYN_ULTRA_XFER_NS_1; 285 sc->sdtr_period_tbl[2] = SYN_ULTRA_XFER_NS_2; 286 sc->sdtr_period_tbl[3] = SYN_ULTRA_XFER_NS_3; 287 sc->sdtr_period_tbl[4] = SYN_ULTRA_XFER_NS_4; 288 sc->sdtr_period_tbl[5] = SYN_ULTRA_XFER_NS_5; 289 sc->sdtr_period_tbl[6] = SYN_ULTRA_XFER_NS_6; 290 sc->sdtr_period_tbl[7] = SYN_ULTRA_XFER_NS_7; 291 sc->sdtr_period_tbl[8] = SYN_ULTRA_XFER_NS_8; 292 sc->sdtr_period_tbl[9] = SYN_ULTRA_XFER_NS_9; 293 sc->sdtr_period_tbl[10] = SYN_ULTRA_XFER_NS_10; 294 sc->sdtr_period_tbl[11] = SYN_ULTRA_XFER_NS_11; 295 sc->sdtr_period_tbl[12] = SYN_ULTRA_XFER_NS_12; 296 sc->sdtr_period_tbl[13] = SYN_ULTRA_XFER_NS_13; 297 sc->sdtr_period_tbl[14] = SYN_ULTRA_XFER_NS_14; 298 sc->sdtr_period_tbl[15] = SYN_ULTRA_XFER_NS_15; 299 sc->max_sdtr_index = 15; 300 if (sc->chip_version == ASC_CHIP_VER_PCI_ULTRA_3150) 301 ASC_SET_EXTRA_CONTROL(iot, ioh, 302 (SEC_ACTIVE_NEGATE | SEC_SLEW_RATE)); 303 else if (sc->chip_version >= ASC_CHIP_VER_PCI_ULTRA_3050) 304 ASC_SET_EXTRA_CONTROL(iot, ioh, 305 (SEC_ACTIVE_NEGATE | SEC_ENABLE_FILTER)); 306 } else { 307 sc->sdtr_period_tbl[0] = SYN_XFER_NS_0; 308 sc->sdtr_period_tbl[1] = SYN_XFER_NS_1; 309 sc->sdtr_period_tbl[2] = SYN_XFER_NS_2; 310 sc->sdtr_period_tbl[3] = SYN_XFER_NS_3; 311 sc->sdtr_period_tbl[4] = SYN_XFER_NS_4; 312 sc->sdtr_period_tbl[5] = SYN_XFER_NS_5; 313 sc->sdtr_period_tbl[6] = SYN_XFER_NS_6; 314 sc->sdtr_period_tbl[7] = SYN_XFER_NS_7; 315 sc->max_sdtr_index = 7; 316 } 317 318 if (sc->bus_type == ASC_IS_PCI) 319 ASC_SET_EXTRA_CONTROL(iot, ioh, 320 (SEC_ACTIVE_NEGATE | SEC_SLEW_RATE)); 321 322 sc->isa_dma_speed = ASC_DEF_ISA_DMA_SPEED; 323 if (AscGetChipBusType(iot, ioh) == ASC_IS_ISAPNP) { 324 ASC_SET_CHIP_IFC(iot, ioh, ASC_IFC_INIT_DEFAULT); 325 sc->bus_type = ASC_IS_ISAPNP; 326 } 327 if ((sc->bus_type & ASC_IS_ISA) != 0) 328 sc->isa_dma_channel = AscGetIsaDmaChannel(iot, ioh); 329 330 for (i = 0; i <= ASC_MAX_TID; i++) { 331 sc->cur_dvc_qng[i] = 0; 332 sc->max_dvc_qng[i] = ASC_MAX_SCSI1_QNG; 333 sc->max_tag_qng[i] = ASC_MAX_INRAM_TAG_QNG; 334 } 335 } 336 337 338 /* 339 * This function initialize some ASC_SOFTC fields with values read from 340 * on-board EEProm. 341 */ 342 int16_t 343 AscInitFromEEP(sc) 344 ASC_SOFTC *sc; 345 { 346 bus_space_tag_t iot = sc->sc_iot; 347 bus_space_handle_t ioh = sc->sc_ioh; 348 ASCEEP_CONFIG eep_config_buf; 349 ASCEEP_CONFIG *eep_config; 350 u_int16_t chksum; 351 u_int16_t warn_code; 352 u_int16_t cfg_msw, cfg_lsw; 353 int i; 354 int write_eep = 0; 355 356 357 warn_code = 0; 358 AscWriteLramWord(iot, ioh, ASCV_HALTCODE_W, 0x00FE); 359 AscStopQueueExe(iot, ioh); 360 361 AscStopChip(iot, ioh); 362 AscResetChipAndScsiBus(iot, ioh); 363 DvcSleepMilliSecond(sc->scsi_reset_wait * 1000); 364 365 if ((AscStopChip(iot, ioh) == FALSE) || 366 (AscGetChipScsiCtrl(iot, ioh) != 0)) { 367 AscResetChipAndScsiBus(iot, ioh); 368 DvcSleepMilliSecond(sc->scsi_reset_wait * 1000); 369 } 370 if (AscIsChipHalted(iot, ioh) == FALSE) 371 return (-1); 372 373 ASC_SET_PC_ADDR(iot, ioh, ASC_MCODE_START_ADDR); 374 if (ASC_GET_PC_ADDR(iot, ioh) != ASC_MCODE_START_ADDR) 375 return (-2); 376 377 eep_config = &eep_config_buf; 378 cfg_msw = ASC_GET_CHIP_CFG_MSW(iot, ioh); 379 cfg_lsw = ASC_GET_CHIP_CFG_LSW(iot, ioh); 380 if ((cfg_msw & ASC_CFG_MSW_CLR_MASK) != 0) { 381 cfg_msw &= (~(ASC_CFG_MSW_CLR_MASK)); 382 warn_code |= ASC_WARN_CFG_MSW_RECOVER; 383 ASC_SET_CHIP_CFG_MSW(iot, ioh, cfg_msw); 384 } 385 chksum = AscGetEEPConfig(iot, ioh, eep_config, sc->bus_type); 386 #ifdef ASC_DEBUG 387 AscPrintEEPConfig(eep_config, chksum); 388 #endif 389 if (chksum == 0) 390 chksum = 0xAA55; 391 392 if (ASC_GET_CHIP_STATUS(iot, ioh) & ASC_CSW_AUTO_CONFIG) { 393 warn_code |= ASC_WARN_AUTO_CONFIG; 394 if (sc->chip_version == 3) { 395 if (eep_config->cfg_lsw != cfg_lsw) { 396 warn_code |= ASC_WARN_EEPROM_RECOVER; 397 eep_config->cfg_lsw = ASC_GET_CHIP_CFG_LSW(iot, ioh); 398 } 399 if (eep_config->cfg_msw != cfg_msw) { 400 warn_code |= ASC_WARN_EEPROM_RECOVER; 401 eep_config->cfg_msw = ASC_GET_CHIP_CFG_MSW(iot, ioh); 402 } 403 } 404 } 405 eep_config->cfg_msw &= ~ASC_CFG_MSW_CLR_MASK; 406 eep_config->cfg_lsw |= ASC_CFG0_HOST_INT_ON; 407 408 if (chksum != eep_config->chksum) { 409 if (sc->chip_version == ASC_CHIP_VER_PCI_ULTRA_3050) { 410 eep_config->init_sdtr = 0xFF; 411 eep_config->disc_enable = 0xFF; 412 eep_config->start_motor = 0xFF; 413 eep_config->use_cmd_qng = 0; 414 eep_config->max_total_qng = 0xF0; 415 eep_config->max_tag_qng = 0x20; 416 eep_config->cntl = 0xBFFF; 417 eep_config->chip_scsi_id = 7; 418 eep_config->no_scam = 0; 419 eep_config->adapter_info[0] = 0; 420 eep_config->adapter_info[1] = 0; 421 eep_config->adapter_info[2] = 0; 422 eep_config->adapter_info[3] = 0; 423 #if BYTE_ORDER == BIG_ENDIAN 424 eep_config->adapter_info[5] = 0; 425 /* Indicate EEPROM-less board. */ 426 eep_config->adapter_info[4] = 0xBB; 427 #else 428 eep_config->adapter_info[4] = 0; 429 /* Indicate EEPROM-less board. */ 430 eep_config->adapter_info[5] = 0xBB; 431 #endif 432 } else { 433 write_eep = 1; 434 warn_code |= ASC_WARN_EEPROM_CHKSUM; 435 } 436 } 437 sc->sdtr_enable = eep_config->init_sdtr; 438 sc->disc_enable = eep_config->disc_enable; 439 sc->cmd_qng_enabled = eep_config->use_cmd_qng; 440 sc->isa_dma_speed = eep_config->isa_dma_speed; 441 sc->start_motor = eep_config->start_motor; 442 sc->dvc_cntl = eep_config->cntl; 443 #if BYTE_ORDER == BIG_ENDIAN 444 sc->adapter_info[0] = eep_config->adapter_info[1]; 445 sc->adapter_info[1] = eep_config->adapter_info[0]; 446 sc->adapter_info[2] = eep_config->adapter_info[3]; 447 sc->adapter_info[3] = eep_config->adapter_info[2]; 448 sc->adapter_info[4] = eep_config->adapter_info[5]; 449 sc->adapter_info[5] = eep_config->adapter_info[4]; 450 #else 451 sc->adapter_info[0] = eep_config->adapter_info[0]; 452 sc->adapter_info[1] = eep_config->adapter_info[1]; 453 sc->adapter_info[2] = eep_config->adapter_info[2]; 454 sc->adapter_info[3] = eep_config->adapter_info[3]; 455 sc->adapter_info[4] = eep_config->adapter_info[4]; 456 sc->adapter_info[5] = eep_config->adapter_info[5]; 457 #endif 458 459 if (!AscTestExternalLram(iot, ioh)) { 460 if (((sc->bus_type & ASC_IS_PCI_ULTRA) == ASC_IS_PCI_ULTRA)) { 461 eep_config->max_total_qng = ASC_MAX_PCI_ULTRA_INRAM_TOTAL_QNG; 462 eep_config->max_tag_qng = ASC_MAX_PCI_ULTRA_INRAM_TAG_QNG; 463 } else { 464 eep_config->cfg_msw |= 0x0800; 465 cfg_msw |= 0x0800; 466 ASC_SET_CHIP_CFG_MSW(iot, ioh, cfg_msw); 467 eep_config->max_total_qng = ASC_MAX_PCI_INRAM_TOTAL_QNG; 468 eep_config->max_tag_qng = ASC_MAX_INRAM_TAG_QNG; 469 } 470 } 471 if (eep_config->max_total_qng < ASC_MIN_TOTAL_QNG) 472 eep_config->max_total_qng = ASC_MIN_TOTAL_QNG; 473 474 if (eep_config->max_total_qng > ASC_MAX_TOTAL_QNG) 475 eep_config->max_total_qng = ASC_MAX_TOTAL_QNG; 476 477 if (eep_config->max_tag_qng > eep_config->max_total_qng) 478 eep_config->max_tag_qng = eep_config->max_total_qng; 479 480 if (eep_config->max_tag_qng < ASC_MIN_TAG_Q_PER_DVC) 481 eep_config->max_tag_qng = ASC_MIN_TAG_Q_PER_DVC; 482 483 sc->max_total_qng = eep_config->max_total_qng; 484 if ((eep_config->use_cmd_qng & eep_config->disc_enable) != 485 eep_config->use_cmd_qng) { 486 eep_config->disc_enable = eep_config->use_cmd_qng; 487 warn_code |= ASC_WARN_CMD_QNG_CONFLICT; 488 } 489 if (sc->bus_type & (ASC_IS_ISA | ASC_IS_VL | ASC_IS_EISA)) 490 sc->irq_no = AscGetChipIRQ(iot, ioh, sc->bus_type); 491 492 eep_config->chip_scsi_id &= ASC_MAX_TID; 493 sc->chip_scsi_id = eep_config->chip_scsi_id; 494 if (((sc->bus_type & ASC_IS_PCI_ULTRA) == ASC_IS_PCI_ULTRA) && 495 !(sc->dvc_cntl & ASC_CNTL_SDTR_ENABLE_ULTRA)) { 496 sc->host_init_sdtr_index = ASC_SDTR_ULTRA_PCI_10MB_INDEX; 497 } 498 for (i = 0; i <= ASC_MAX_TID; i++) { 499 sc->max_tag_qng[i] = eep_config->max_tag_qng; 500 sc->sdtr_period_offset[i] = ASC_DEF_SDTR_OFFSET | 501 (sc->host_init_sdtr_index << 4); 502 } 503 504 eep_config->cfg_msw = ASC_GET_CHIP_CFG_MSW(iot, ioh); 505 if (write_eep) { 506 AscSetEEPConfig(iot, ioh, eep_config, sc->bus_type); 507 #ifdef ASC_DEBUG 508 AscPrintEEPConfig(eep_config, 0); 509 #endif 510 } 511 512 return (warn_code); 513 } 514 515 516 u_int16_t 517 AscInitFromASC_SOFTC(sc) 518 ASC_SOFTC *sc; 519 { 520 bus_space_tag_t iot = sc->sc_iot; 521 bus_space_handle_t ioh = sc->sc_ioh; 522 u_int16_t cfg_msw; 523 u_int16_t warn_code; 524 u_int16_t pci_device_id = sc->pci_device_id; 525 526 527 warn_code = 0; 528 cfg_msw = ASC_GET_CHIP_CFG_MSW(iot, ioh); 529 530 if ((cfg_msw & ASC_CFG_MSW_CLR_MASK) != 0) { 531 cfg_msw &= (~(ASC_CFG_MSW_CLR_MASK)); 532 warn_code |= ASC_WARN_CFG_MSW_RECOVER; 533 ASC_SET_CHIP_CFG_MSW(iot, ioh, cfg_msw); 534 } 535 if ((sc->cmd_qng_enabled & sc->disc_enable) != sc->cmd_qng_enabled) { 536 sc->disc_enable = sc->cmd_qng_enabled; 537 warn_code |= ASC_WARN_CMD_QNG_CONFLICT; 538 } 539 if (ASC_GET_CHIP_STATUS(iot, ioh) & ASC_CSW_AUTO_CONFIG) { 540 warn_code |= ASC_WARN_AUTO_CONFIG; 541 } 542 if ((sc->bus_type & (ASC_IS_ISA | ASC_IS_VL)) != 0) { 543 AscSetChipIRQ(iot, ioh, sc->irq_no, sc->bus_type); 544 } 545 if (sc->bus_type & ASC_IS_PCI) { 546 cfg_msw &= 0xFFC0; 547 ASC_SET_CHIP_CFG_MSW(iot, ioh, cfg_msw); 548 549 if ((sc->bus_type & ASC_IS_PCI_ULTRA) != ASC_IS_PCI_ULTRA) { 550 if ((pci_device_id == ASC_PCI_DEVICE_ID_REV_A) || 551 (pci_device_id == ASC_PCI_DEVICE_ID_REV_B)) { 552 sc->bug_fix_cntl |= ASC_BUG_FIX_IF_NOT_DWB; 553 sc->bug_fix_cntl |= ASC_BUG_FIX_ASYN_USE_SYN; 554 } 555 } 556 } else if (sc->bus_type == ASC_IS_ISAPNP) { 557 if (sc->chip_version == ASC_CHIP_VER_ASYN_BUG) { 558 sc->bug_fix_cntl |= ASC_BUG_FIX_ASYN_USE_SYN; 559 } 560 } 561 AscSetChipScsiID(iot, ioh, sc->chip_scsi_id); 562 563 if (sc->bus_type & ASC_IS_ISA) { 564 AscSetIsaDmaChannel(iot, ioh, sc->isa_dma_channel); 565 AscSetIsaDmaSpeed(iot, ioh, sc->isa_dma_speed); 566 } 567 return (warn_code); 568 } 569 570 571 /* 572 * - Initialize RISC chip 573 * - Intialize Lram 574 * - Load uCode into Lram 575 * - Enable Interrupts 576 */ 577 int 578 AscInitDriver(sc) 579 ASC_SOFTC *sc; 580 { 581 bus_space_tag_t iot = sc->sc_iot; 582 bus_space_handle_t ioh = sc->sc_ioh; 583 u_int32_t chksum; 584 585 586 if (!AscFindSignature(iot, ioh)) 587 return (1); 588 589 AscDisableInterrupt(iot, ioh); 590 591 AscInitLram(sc); 592 chksum = AscLoadMicroCode(iot, ioh, 0, (u_int16_t *) asc_mcode, 593 asc_mcode_size); 594 if (chksum != asc_mcode_chksum) 595 return (2); 596 597 if (AscInitMicroCodeVar(sc) == 0) 598 return (3); 599 600 AscEnableInterrupt(iot, ioh); 601 602 return (0); 603 } 604 605 606 int 607 AscFindSignature(iot, ioh) 608 bus_space_tag_t iot; 609 bus_space_handle_t ioh; 610 { 611 u_int16_t sig_word; 612 613 if (ASC_GET_CHIP_SIGNATURE_BYTE(iot, ioh) == ASC_1000_ID1B) { 614 sig_word = ASC_GET_CHIP_SIGNATURE_WORD(iot, ioh); 615 if (sig_word == ASC_1000_ID0W || 616 sig_word == ASC_1000_ID0W_FIX) 617 return (1); 618 } 619 return (0); 620 } 621 622 623 static void 624 AscInitLram(sc) 625 ASC_SOFTC *sc; 626 { 627 bus_space_tag_t iot = sc->sc_iot; 628 bus_space_handle_t ioh = sc->sc_ioh; 629 u_int8_t i; 630 u_int16_t s_addr; 631 632 633 AscMemWordSetLram(iot, ioh, ASC_QADR_BEG, 0, 634 (((sc->max_total_qng + 2 + 1) * 64) >> 1)); 635 636 i = ASC_MIN_ACTIVE_QNO; 637 s_addr = ASC_QADR_BEG + ASC_QBLK_SIZE; 638 AscWriteLramByte(iot, ioh, s_addr + ASC_SCSIQ_B_FWD, i + 1); 639 AscWriteLramByte(iot, ioh, s_addr + ASC_SCSIQ_B_BWD, sc->max_total_qng); 640 AscWriteLramByte(iot, ioh, s_addr + ASC_SCSIQ_B_QNO, i); 641 i++; 642 s_addr += ASC_QBLK_SIZE; 643 for (; i < sc->max_total_qng; i++, s_addr += ASC_QBLK_SIZE) { 644 AscWriteLramByte(iot, ioh, s_addr + ASC_SCSIQ_B_FWD, i + 1); 645 AscWriteLramByte(iot, ioh, s_addr + ASC_SCSIQ_B_BWD, i - 1); 646 AscWriteLramByte(iot, ioh, s_addr + ASC_SCSIQ_B_QNO, i); 647 } 648 AscWriteLramByte(iot, ioh, s_addr + ASC_SCSIQ_B_FWD, ASC_QLINK_END); 649 AscWriteLramByte(iot, ioh, s_addr + ASC_SCSIQ_B_BWD, sc->max_total_qng - 1); 650 AscWriteLramByte(iot, ioh, s_addr + ASC_SCSIQ_B_QNO, sc->max_total_qng); 651 i++; 652 s_addr += ASC_QBLK_SIZE; 653 for (; i <= (u_int8_t) (sc->max_total_qng + 3); i++, s_addr += ASC_QBLK_SIZE) { 654 AscWriteLramByte(iot, ioh, s_addr + ASC_SCSIQ_B_FWD, i); 655 AscWriteLramByte(iot, ioh, s_addr + ASC_SCSIQ_B_BWD, i); 656 AscWriteLramByte(iot, ioh, s_addr + ASC_SCSIQ_B_QNO, i); 657 } 658 } 659 660 661 void 662 AscReInitLram(sc) 663 ASC_SOFTC *sc; 664 { 665 666 AscInitLram(sc); 667 AscInitQLinkVar(sc); 668 } 669 670 671 static void 672 AscInitQLinkVar(sc) 673 ASC_SOFTC *sc; 674 { 675 bus_space_tag_t iot = sc->sc_iot; 676 bus_space_handle_t ioh = sc->sc_ioh; 677 u_int8_t i; 678 u_int16_t lram_addr; 679 680 681 ASC_PUT_RISC_VAR_FREE_QHEAD(iot, ioh, 1); 682 ASC_PUT_RISC_VAR_DONE_QTAIL(iot, ioh, sc->max_total_qng); 683 ASC_PUT_VAR_FREE_QHEAD(iot, ioh, 1); 684 ASC_PUT_VAR_DONE_QTAIL(iot, ioh, sc->max_total_qng); 685 AscWriteLramByte(iot, ioh, ASCV_BUSY_QHEAD_B, sc->max_total_qng + 1); 686 AscWriteLramByte(iot, ioh, ASCV_DISC1_QHEAD_B, sc->max_total_qng + 2); 687 AscWriteLramByte(iot, ioh, ASCV_TOTAL_READY_Q_B, sc->max_total_qng); 688 AscWriteLramWord(iot, ioh, ASCV_ASCDVC_ERR_CODE_W, 0); 689 AscWriteLramWord(iot, ioh, ASCV_HALTCODE_W, 0); 690 AscWriteLramByte(iot, ioh, ASCV_STOP_CODE_B, 0); 691 AscWriteLramByte(iot, ioh, ASCV_SCSIBUSY_B, 0); 692 AscWriteLramByte(iot, ioh, ASCV_WTM_FLAG_B, 0); 693 ASC_PUT_QDONE_IN_PROGRESS(iot, ioh, 0); 694 lram_addr = ASC_QADR_BEG; 695 for (i = 0; i < 32; i++, lram_addr += 2) 696 AscWriteLramWord(iot, ioh, lram_addr, 0); 697 } 698 699 700 static int 701 AscResetChipAndScsiBus(bus_space_tag_t iot, 702 bus_space_handle_t ioh) 703 { 704 while (ASC_GET_CHIP_STATUS(iot, ioh) & ASC_CSW_SCSI_RESET_ACTIVE); 705 706 AscStopChip(iot, ioh); 707 ASC_SET_CHIP_CONTROL(iot, ioh, ASC_CC_CHIP_RESET | ASC_CC_SCSI_RESET | ASC_CC_HALT); 708 709 DvcDelayNanoSecond(60000); 710 711 AscSetChipIH(iot, ioh, ASC_INS_RFLAG_WTM); 712 AscSetChipIH(iot, ioh, ASC_INS_HALT); 713 ASC_SET_CHIP_CONTROL(iot, ioh, ASC_CC_CHIP_RESET | ASC_CC_HALT); 714 ASC_SET_CHIP_CONTROL(iot, ioh, ASC_CC_HALT); 715 716 DvcSleepMilliSecond(200); 717 718 ASC_SET_CHIP_STATUS(iot, ioh, ASC_CIW_CLR_SCSI_RESET_INT); 719 AscStartChip(iot, ioh); 720 721 DvcSleepMilliSecond(200); 722 723 return (AscIsChipHalted(iot, ioh)); 724 } 725 726 727 static u_int16_t 728 AscGetChipBusType(iot, ioh) 729 bus_space_tag_t iot; 730 bus_space_handle_t ioh; 731 { 732 u_int16_t chip_ver; 733 734 chip_ver = ASC_GET_CHIP_VER_NO(iot, ioh); 735 /* if ((chip_ver >= ASC_CHIP_MIN_VER_VL) && 736 (chip_ver <= ASC_CHIP_MAX_VER_VL)) { 737 if(((ioh & 0x0C30) == 0x0C30) || ((ioh & 0x0C50) == 0x0C50)) { 738 return (ASC_IS_EISA); 739 } 740 else { 741 return (ASC_IS_VL); 742 } 743 } 744 */ if ((chip_ver >= ASC_CHIP_MIN_VER_ISA) && 745 (chip_ver <= ASC_CHIP_MAX_VER_ISA)) { 746 if (chip_ver >= ASC_CHIP_MIN_VER_ISA_PNP) 747 return (ASC_IS_ISAPNP); 748 749 return (ASC_IS_ISA); 750 } else if ((chip_ver >= ASC_CHIP_MIN_VER_PCI) && 751 (chip_ver <= ASC_CHIP_MAX_VER_PCI)) 752 return (ASC_IS_PCI); 753 754 return (0); 755 } 756 757 /* 758 static u_int16_t 759 AscGetEisaChipCfg(iot, ioh) 760 bus_space_tag_t iot; 761 bus_space_handle_t ioh; 762 { 763 int eisa_cfg_iop; 764 765 eisa_cfg_iop = ASC_GET_EISA_SLOT(ioh) | (ASC_EISA_CFG_IOP_MASK); 766 return (inw(eisa_cfg_iop)); 767 } 768 */ 769 770 /******************************************************************************/ 771 /* Chip register routines */ 772 /******************************************************************************/ 773 774 775 static void 776 AscSetBank(iot, ioh, bank) 777 bus_space_tag_t iot; 778 bus_space_handle_t ioh; 779 u_int8_t bank; 780 { 781 u_int8_t val; 782 783 val = ASC_GET_CHIP_CONTROL(iot, ioh) & 784 (~(ASC_CC_SINGLE_STEP | ASC_CC_TEST | 785 ASC_CC_DIAG | ASC_CC_SCSI_RESET | 786 ASC_CC_CHIP_RESET)); 787 788 switch (bank) { 789 case 1: 790 val |= ASC_CC_BANK_ONE; 791 break; 792 793 case 2: 794 val |= ASC_CC_DIAG | ASC_CC_BANK_ONE; 795 break; 796 797 default: 798 val &= ~ASC_CC_BANK_ONE; 799 } 800 801 ASC_SET_CHIP_CONTROL(iot, ioh, val); 802 return; 803 } 804 805 806 /******************************************************************************/ 807 /* Chip routines */ 808 /******************************************************************************/ 809 810 811 static int 812 AscStartChip(iot, ioh) 813 bus_space_tag_t iot; 814 bus_space_handle_t ioh; 815 { 816 ASC_SET_CHIP_CONTROL(iot, ioh, 0); 817 if ((ASC_GET_CHIP_STATUS(iot, ioh) & ASC_CSW_HALTED) != 0) 818 return (0); 819 820 return (1); 821 } 822 823 824 static int 825 AscStopChip(iot, ioh) 826 bus_space_tag_t iot; 827 bus_space_handle_t ioh; 828 { 829 u_int8_t cc_val; 830 831 cc_val = ASC_GET_CHIP_CONTROL(iot, ioh) & 832 (~(ASC_CC_SINGLE_STEP | ASC_CC_TEST | ASC_CC_DIAG)); 833 ASC_SET_CHIP_CONTROL(iot, ioh, cc_val | ASC_CC_HALT); 834 AscSetChipIH(iot, ioh, ASC_INS_HALT); 835 AscSetChipIH(iot, ioh, ASC_INS_RFLAG_WTM); 836 if ((ASC_GET_CHIP_STATUS(iot, ioh) & ASC_CSW_HALTED) == 0) 837 return (0); 838 839 return (1); 840 } 841 842 843 static u_int8_t 844 AscSetChipScsiID(iot, ioh, new_id) 845 bus_space_tag_t iot; 846 bus_space_handle_t ioh; 847 u_int8_t new_id; 848 { 849 u_int16_t cfg_lsw; 850 851 if (ASC_GET_CHIP_SCSI_ID(iot, ioh) == new_id) 852 return (new_id); 853 854 cfg_lsw = ASC_GET_CHIP_SCSI_ID(iot, ioh); 855 cfg_lsw &= 0xF8FF; 856 cfg_lsw |= (new_id & ASC_MAX_TID) << 8; 857 ASC_SET_CHIP_CFG_LSW(iot, ioh, cfg_lsw); 858 return (ASC_GET_CHIP_SCSI_ID(iot, ioh)); 859 } 860 861 862 static u_int8_t 863 AscGetChipScsiCtrl(iot, ioh) 864 bus_space_tag_t iot; 865 bus_space_handle_t ioh; 866 { 867 u_int8_t scsi_ctrl; 868 869 AscSetBank(iot, ioh, 1); 870 scsi_ctrl = bus_space_read_1(iot, ioh, ASC_IOP_REG_SC); 871 AscSetBank(iot, ioh, 0); 872 return (scsi_ctrl); 873 } 874 875 876 static int 877 AscSetRunChipSynRegAtID(iot, ioh, tid_no, sdtr_data) 878 bus_space_tag_t iot; 879 bus_space_handle_t ioh; 880 u_int8_t tid_no; 881 u_int8_t sdtr_data; 882 { 883 int retval = FALSE; 884 885 if (AscHostReqRiscHalt(iot, ioh)) { 886 retval = AscSetChipSynRegAtID(iot, ioh, tid_no, sdtr_data); 887 AscStartChip(iot, ioh); 888 } 889 return (retval); 890 } 891 892 893 static int 894 AscSetChipSynRegAtID(iot, ioh, id, sdtr_data) 895 bus_space_tag_t iot; 896 bus_space_handle_t ioh; 897 u_int8_t id; 898 u_int8_t sdtr_data; 899 { 900 ASC_SCSI_BIT_ID_TYPE org_id; 901 int i; 902 int sta = TRUE; 903 904 AscSetBank(iot, ioh, 1); 905 org_id = ASC_READ_CHIP_DVC_ID(iot, ioh); 906 for (i = 0; i <= ASC_MAX_TID; i++) 907 if (org_id == (0x01 << i)) 908 break; 909 910 org_id = i; 911 ASC_WRITE_CHIP_DVC_ID(iot, ioh, id); 912 if (ASC_READ_CHIP_DVC_ID(iot, ioh) == (0x01 << id)) { 913 AscSetBank(iot, ioh, 0); 914 ASC_SET_CHIP_SYN(iot, ioh, sdtr_data); 915 if (ASC_GET_CHIP_SYN(iot, ioh) != sdtr_data) 916 sta = FALSE; 917 } else 918 sta = FALSE; 919 920 AscSetBank(iot, ioh, 1); 921 ASC_WRITE_CHIP_DVC_ID(iot, ioh, org_id); 922 AscSetBank(iot, ioh, 0); 923 return (sta); 924 } 925 926 927 static int 928 AscHostReqRiscHalt(iot, ioh) 929 bus_space_tag_t iot; 930 bus_space_handle_t ioh; 931 { 932 int count = 0; 933 int retval = 0; 934 u_int8_t saved_stop_code; 935 936 937 if (AscIsChipHalted(iot, ioh)) 938 return (1); 939 saved_stop_code = AscReadLramByte(iot, ioh, ASCV_STOP_CODE_B); 940 AscWriteLramByte(iot, ioh, ASCV_STOP_CODE_B, 941 ASC_STOP_HOST_REQ_RISC_HALT | ASC_STOP_REQ_RISC_STOP); 942 943 do { 944 if (AscIsChipHalted(iot, ioh)) { 945 retval = 1; 946 break; 947 } 948 DvcSleepMilliSecond(100); 949 } while (count++ < 20); 950 951 AscWriteLramByte(iot, ioh, ASCV_STOP_CODE_B, saved_stop_code); 952 953 return (retval); 954 } 955 956 957 static int 958 AscIsChipHalted(iot, ioh) 959 bus_space_tag_t iot; 960 bus_space_handle_t ioh; 961 { 962 if ((ASC_GET_CHIP_STATUS(iot, ioh) & ASC_CSW_HALTED) != 0) 963 if ((ASC_GET_CHIP_CONTROL(iot, ioh) & ASC_CC_HALT) != 0) 964 return (1); 965 966 return (0); 967 } 968 969 970 static void 971 AscSetChipIH(iot, ioh, ins_code) 972 bus_space_tag_t iot; 973 bus_space_handle_t ioh; 974 u_int16_t ins_code; 975 { 976 AscSetBank(iot, ioh, 1); 977 ASC_WRITE_CHIP_IH(iot, ioh, ins_code); 978 AscSetBank(iot, ioh, 0); 979 980 return; 981 } 982 983 984 /******************************************************************************/ 985 /* Lram routines */ 986 /******************************************************************************/ 987 988 989 static u_int8_t 990 AscReadLramByte(iot, ioh, addr) 991 bus_space_tag_t iot; 992 bus_space_handle_t ioh; 993 u_int16_t addr; 994 { 995 u_int8_t byte_data; 996 u_int16_t word_data; 997 998 999 ASC_SET_CHIP_LRAM_ADDR(iot, ioh, addr & 0xFFFE); 1000 word_data = ASC_GET_CHIP_LRAM_DATA(iot, ioh); 1001 1002 if (addr & 1) { 1003 /* odd address */ 1004 byte_data = (u_int8_t) ((word_data >> 8) & 0xFF); 1005 } else { 1006 /* even address */ 1007 byte_data = (u_int8_t) (word_data & 0xFF); 1008 } 1009 1010 return (byte_data); 1011 } 1012 1013 1014 static void 1015 AscWriteLramByte(iot, ioh, addr, data) 1016 bus_space_tag_t iot; 1017 bus_space_handle_t ioh; 1018 u_int16_t addr; 1019 u_int8_t data; 1020 { 1021 u_int16_t word_data; 1022 1023 1024 word_data = AscReadLramWord(iot, ioh, addr & 0xFFFE); 1025 1026 if (addr & 1) { 1027 /* odd address */ 1028 word_data &= 0x00FF; 1029 word_data |= (((u_int16_t) data) << 8) & 0xFF00; 1030 } else { 1031 /* even address */ 1032 word_data &= 0xFF00; 1033 word_data |= ((u_int16_t) data) & 0x00FF; 1034 } 1035 1036 AscWriteLramWord(iot, ioh, addr, word_data); 1037 } 1038 1039 1040 static u_int16_t 1041 AscReadLramWord(iot, ioh, addr) 1042 bus_space_tag_t iot; 1043 bus_space_handle_t ioh; 1044 u_int16_t addr; 1045 { 1046 1047 ASC_SET_CHIP_LRAM_ADDR(iot, ioh, addr); 1048 return (ASC_GET_CHIP_LRAM_DATA(iot, ioh)); 1049 } 1050 1051 1052 static void 1053 AscWriteLramWord(iot, ioh, addr, data) 1054 bus_space_tag_t iot; 1055 bus_space_handle_t ioh; 1056 u_int16_t addr; 1057 u_int16_t data; 1058 { 1059 1060 ASC_SET_CHIP_LRAM_ADDR(iot, ioh, addr); 1061 ASC_SET_CHIP_LRAM_DATA(iot, ioh, data); 1062 } 1063 1064 1065 static u_int32_t 1066 AscReadLramDWord(iot, ioh, addr) 1067 bus_space_tag_t iot; 1068 bus_space_handle_t ioh; 1069 u_int16_t addr; 1070 { 1071 u_int16_t low_word, hi_word; 1072 1073 1074 ASC_SET_CHIP_LRAM_ADDR(iot, ioh, addr); 1075 low_word = ASC_GET_CHIP_LRAM_DATA(iot, ioh); 1076 hi_word = ASC_GET_CHIP_LRAM_DATA(iot, ioh); 1077 1078 return ((((u_int32_t) hi_word) << 16) | (u_int32_t) low_word); 1079 } 1080 1081 1082 static void 1083 AscWriteLramDWord(iot, ioh, addr, data) 1084 bus_space_tag_t iot; 1085 bus_space_handle_t ioh; 1086 u_int16_t addr; 1087 u_int32_t data; 1088 { 1089 1090 ASC_SET_CHIP_LRAM_ADDR(iot, ioh, addr); 1091 ASC_SET_CHIP_LRAM_DATA(iot, ioh, (u_int16_t) (data & 0x0000FFFF)); 1092 ASC_SET_CHIP_LRAM_DATA(iot, ioh, (u_int16_t) (data >> 16)); 1093 } 1094 1095 1096 static void 1097 AscMemWordSetLram(iot, ioh, s_addr, s_words, count) 1098 bus_space_tag_t iot; 1099 bus_space_handle_t ioh; 1100 u_int16_t s_addr; 1101 u_int16_t s_words; 1102 int count; 1103 { 1104 int i; 1105 1106 ASC_SET_CHIP_LRAM_ADDR(iot, ioh, s_addr); 1107 for (i = 0; i < count; i++) 1108 ASC_SET_CHIP_LRAM_DATA(iot, ioh, s_words); 1109 } 1110 1111 1112 static void 1113 AscMemWordCopyToLram(iot, ioh, s_addr, s_buffer, words) 1114 bus_space_tag_t iot; 1115 bus_space_handle_t ioh; 1116 u_int16_t s_addr; 1117 u_int16_t *s_buffer; 1118 int words; 1119 { 1120 int i; 1121 1122 ASC_SET_CHIP_LRAM_ADDR(iot, ioh, s_addr); 1123 for (i = 0; i < words; i++, s_buffer++) 1124 ASC_SET_CHIP_LRAM_DATA_NO_SWAP(iot, ioh, *s_buffer); 1125 } 1126 1127 1128 static void 1129 AscMemWordCopyFromLram(iot, ioh, s_addr, s_buffer, words) 1130 bus_space_tag_t iot; 1131 bus_space_handle_t ioh; 1132 u_int16_t s_addr; 1133 u_int16_t *s_buffer; 1134 int words; 1135 { 1136 int i; 1137 1138 ASC_SET_CHIP_LRAM_ADDR(iot, ioh, s_addr); 1139 for (i = 0; i < words; i++, s_buffer++) 1140 *s_buffer = ASC_GET_CHIP_LRAM_DATA_NO_SWAP(iot, ioh); 1141 } 1142 1143 1144 static void 1145 AscMemDWordCopyToLram(iot, ioh, s_addr, s_buffer, dwords) 1146 bus_space_tag_t iot; 1147 bus_space_handle_t ioh; 1148 u_int16_t s_addr; 1149 u_int32_t *s_buffer; 1150 int dwords; 1151 { 1152 int i; 1153 u_int32_t *pw; 1154 1155 ASC_SET_CHIP_LRAM_ADDR(iot, ioh, s_addr); 1156 1157 pw = s_buffer; 1158 for (i = 0; i < dwords; i++, pw++) { 1159 ASC_SET_CHIP_LRAM_DATA(iot, ioh, LO_WORD(*pw)); 1160 DELAY(1); 1161 ASC_SET_CHIP_LRAM_DATA(iot, ioh, HI_WORD(*pw)); 1162 } 1163 } 1164 1165 1166 static u_int32_t 1167 AscMemSumLramWord(iot, ioh, s_addr, words) 1168 bus_space_tag_t iot; 1169 bus_space_handle_t ioh; 1170 u_int16_t s_addr; 1171 int words; 1172 { 1173 u_int32_t sum = 0L; 1174 u_int16_t i; 1175 1176 1177 for (i = 0; i < words; i++, s_addr += 2) 1178 sum += AscReadLramWord(iot, ioh, s_addr); 1179 1180 return (sum); 1181 } 1182 1183 1184 static int 1185 AscTestExternalLram(iot, ioh) 1186 bus_space_tag_t iot; 1187 bus_space_handle_t ioh; 1188 { 1189 u_int16_t q_addr; 1190 u_int16_t saved_word; 1191 int retval; 1192 1193 1194 retval = 0; 1195 q_addr = ASC_QNO_TO_QADDR(241); 1196 saved_word = AscReadLramWord(iot, ioh, q_addr); 1197 ASC_SET_CHIP_LRAM_ADDR(iot, ioh, q_addr); 1198 ASC_SET_CHIP_LRAM_DATA(iot, ioh, 0x55AA); 1199 DvcSleepMilliSecond(10); 1200 ASC_SET_CHIP_LRAM_ADDR(iot, ioh, q_addr); 1201 1202 if (ASC_GET_CHIP_LRAM_DATA(iot, ioh) == 0x55AA) { 1203 retval = 1; 1204 AscWriteLramWord(iot, ioh, q_addr, saved_word); 1205 } 1206 return (retval); 1207 } 1208 1209 1210 /******************************************************************************/ 1211 /* MicroCode routines */ 1212 /******************************************************************************/ 1213 1214 1215 static u_int16_t 1216 AscInitMicroCodeVar(sc) 1217 ASC_SOFTC *sc; 1218 { 1219 bus_space_tag_t iot = sc->sc_iot; 1220 bus_space_handle_t ioh = sc->sc_ioh; 1221 u_int32_t phy_addr; 1222 int i; 1223 1224 1225 for (i = 0; i <= ASC_MAX_TID; i++) 1226 ASC_PUT_MCODE_INIT_SDTR_AT_ID(iot, ioh, i, 1227 sc->sdtr_period_offset[i]); 1228 1229 AscInitQLinkVar(sc); 1230 AscWriteLramByte(iot, ioh, ASCV_DISC_ENABLE_B, sc->disc_enable); 1231 AscWriteLramByte(iot, ioh, ASCV_HOSTSCSI_ID_B, 1232 ASC_TID_TO_TARGET_ID(sc->chip_scsi_id)); 1233 1234 phy_addr = (sc->overrun_buf & 0xfffffff8) + 8; 1235 AscWriteLramDWord(iot, ioh, ASCV_OVERRUN_PADDR_D, phy_addr); 1236 AscWriteLramDWord(iot, ioh, ASCV_OVERRUN_BSIZE_D, 1237 ASC_OVERRUN_BSIZE - 8); 1238 1239 sc->mcode_date = AscReadLramWord(iot, ioh, ASCV_MC_DATE_W); 1240 sc->mcode_version = AscReadLramWord(iot, ioh, ASCV_MC_VER_W); 1241 ASC_SET_PC_ADDR(iot, ioh, ASC_MCODE_START_ADDR); 1242 1243 if (ASC_GET_PC_ADDR(iot, ioh) != ASC_MCODE_START_ADDR) { 1244 return (0); 1245 } 1246 if (AscStartChip(iot, ioh) != 1) { 1247 return (0); 1248 } 1249 return (1); 1250 } 1251 1252 1253 static u_int32_t 1254 AscLoadMicroCode(iot, ioh, s_addr, mcode_buf, mcode_size) 1255 bus_space_tag_t iot; 1256 bus_space_handle_t ioh; 1257 u_int16_t s_addr; 1258 u_int16_t *mcode_buf; 1259 u_int16_t mcode_size; 1260 { 1261 u_int32_t chksum; 1262 u_int16_t mcode_word_size; 1263 u_int16_t mcode_chksum; 1264 1265 mcode_word_size = mcode_size >> 1; 1266 /* clear board memory */ 1267 AscMemWordSetLram(iot, ioh, s_addr, 0, mcode_word_size); 1268 /* copy uCode to board memory */ 1269 AscMemWordCopyToLram(iot, ioh, s_addr, mcode_buf, mcode_word_size); 1270 chksum = AscMemSumLramWord(iot, ioh, s_addr, mcode_word_size); 1271 mcode_chksum = AscMemSumLramWord(iot, ioh, ASC_CODE_SEC_BEG, 1272 ((mcode_size - s_addr - ASC_CODE_SEC_BEG) >> 1)); 1273 AscWriteLramWord(iot, ioh, ASCV_MCODE_CHKSUM_W, mcode_chksum); 1274 AscWriteLramWord(iot, ioh, ASCV_MCODE_SIZE_W, mcode_size); 1275 1276 return (chksum); 1277 } 1278 1279 1280 /******************************************************************************/ 1281 /* EEProm routines */ 1282 /******************************************************************************/ 1283 1284 1285 static int 1286 AscWriteEEPCmdReg(iot, ioh, cmd_reg) 1287 bus_space_tag_t iot; 1288 bus_space_handle_t ioh; 1289 u_int8_t cmd_reg; 1290 { 1291 u_int8_t read_back; 1292 int retry; 1293 1294 retry = 0; 1295 1296 while (TRUE) { 1297 ASC_SET_CHIP_EEP_CMD(iot, ioh, cmd_reg); 1298 DvcSleepMilliSecond(1); 1299 read_back = ASC_GET_CHIP_EEP_CMD(iot, ioh); 1300 if (read_back == cmd_reg) 1301 return (1); 1302 1303 if (retry++ > ASC_EEP_MAX_RETRY) 1304 return (0); 1305 } 1306 } 1307 1308 1309 static int 1310 AscWriteEEPDataReg(iot, ioh, data_reg) 1311 bus_space_tag_t iot; 1312 bus_space_handle_t ioh; 1313 u_int16_t data_reg; 1314 { 1315 u_int16_t read_back; 1316 int retry; 1317 1318 retry = 0; 1319 while (TRUE) { 1320 ASC_SET_CHIP_EEP_DATA(iot, ioh, data_reg); 1321 DvcSleepMilliSecond(1); 1322 read_back = ASC_GET_CHIP_EEP_DATA(iot, ioh); 1323 if (read_back == data_reg) 1324 return (1); 1325 1326 if (retry++ > ASC_EEP_MAX_RETRY) 1327 return (0); 1328 } 1329 } 1330 1331 1332 static void 1333 AscWaitEEPRead(void) 1334 { 1335 1336 DvcSleepMilliSecond(1); 1337 } 1338 1339 1340 static void 1341 AscWaitEEPWrite(void) 1342 { 1343 1344 DvcSleepMilliSecond(1); 1345 } 1346 1347 1348 static u_int16_t 1349 AscReadEEPWord(iot, ioh, addr) 1350 bus_space_tag_t iot; 1351 bus_space_handle_t ioh; 1352 u_int8_t addr; 1353 { 1354 u_int16_t read_wval; 1355 u_int8_t cmd_reg; 1356 1357 AscWriteEEPCmdReg(iot, ioh, ASC_EEP_CMD_WRITE_DISABLE); 1358 AscWaitEEPRead(); 1359 cmd_reg = addr | ASC_EEP_CMD_READ; 1360 AscWriteEEPCmdReg(iot, ioh, cmd_reg); 1361 AscWaitEEPRead(); 1362 read_wval = ASC_GET_CHIP_EEP_DATA(iot, ioh); 1363 AscWaitEEPRead(); 1364 1365 return (read_wval); 1366 } 1367 1368 1369 static u_int16_t 1370 AscWriteEEPWord(iot, ioh, addr, word_val) 1371 bus_space_tag_t iot; 1372 bus_space_handle_t ioh; 1373 u_int8_t addr; 1374 u_int16_t word_val; 1375 { 1376 u_int16_t read_wval; 1377 1378 read_wval = AscReadEEPWord(iot, ioh, addr); 1379 if (read_wval != word_val) { 1380 AscWriteEEPCmdReg(iot, ioh, ASC_EEP_CMD_WRITE_ABLE); 1381 AscWaitEEPRead(); 1382 AscWriteEEPDataReg(iot, ioh, word_val); 1383 AscWaitEEPRead(); 1384 AscWriteEEPCmdReg(iot, ioh, ASC_EEP_CMD_WRITE | addr); 1385 AscWaitEEPWrite(); 1386 AscWriteEEPCmdReg(iot, ioh, ASC_EEP_CMD_WRITE_DISABLE); 1387 AscWaitEEPRead(); 1388 return (AscReadEEPWord(iot, ioh, addr)); 1389 } 1390 return (read_wval); 1391 } 1392 1393 1394 static u_int16_t 1395 AscGetEEPConfig(iot, ioh, cfg_buf, bus_type) 1396 bus_space_tag_t iot; 1397 bus_space_handle_t ioh; 1398 ASCEEP_CONFIG *cfg_buf; 1399 u_int16_t bus_type; 1400 { 1401 u_int16_t wval; 1402 u_int16_t sum; 1403 u_int16_t *wbuf; 1404 int cfg_beg; 1405 int cfg_end; 1406 int s_addr; 1407 int isa_pnp_wsize; 1408 1409 1410 wbuf = (u_int16_t *) cfg_buf; 1411 sum = 0; 1412 isa_pnp_wsize = 0; 1413 1414 for (s_addr = 0; s_addr < (2 + isa_pnp_wsize); s_addr++, wbuf++) { 1415 wval = AscReadEEPWord(iot, ioh, s_addr); 1416 sum += wval; 1417 *wbuf = wval; 1418 } 1419 1420 if (bus_type & ASC_IS_VL) { 1421 cfg_beg = ASC_EEP_DVC_CFG_BEG_VL; 1422 cfg_end = ASC_EEP_MAX_DVC_ADDR_VL; 1423 } else { 1424 cfg_beg = ASC_EEP_DVC_CFG_BEG; 1425 cfg_end = ASC_EEP_MAX_DVC_ADDR; 1426 } 1427 1428 for (s_addr = cfg_beg; s_addr <= (cfg_end - 1); s_addr++, wbuf++) { 1429 wval = AscReadEEPWord(iot, ioh, s_addr); 1430 sum += wval; 1431 *wbuf = wval; 1432 } 1433 1434 *wbuf = AscReadEEPWord(iot, ioh, s_addr); 1435 1436 return (sum); 1437 } 1438 1439 1440 static int 1441 AscSetEEPConfig(iot, ioh, cfg_buf, bus_type) 1442 bus_space_tag_t iot; 1443 bus_space_handle_t ioh; 1444 ASCEEP_CONFIG *cfg_buf; 1445 u_int16_t bus_type; 1446 { 1447 int retry; 1448 int n_error; 1449 1450 retry = 0; 1451 while (TRUE) { 1452 if ((n_error = AscSetEEPConfigOnce(iot, ioh, cfg_buf, bus_type)) == 0) 1453 break; 1454 1455 if (++retry > ASC_EEP_MAX_RETRY) 1456 break; 1457 } 1458 1459 return (n_error); 1460 } 1461 1462 1463 static int 1464 AscSetEEPConfigOnce(iot, ioh, cfg_buf, bus_type) 1465 bus_space_tag_t iot; 1466 bus_space_handle_t ioh; 1467 ASCEEP_CONFIG *cfg_buf; 1468 u_int16_t bus_type; 1469 { 1470 int n_error; 1471 u_int16_t *wbuf; 1472 u_int16_t sum; 1473 int s_addr; 1474 int cfg_beg; 1475 int cfg_end; 1476 1477 wbuf = (u_int16_t *) cfg_buf; 1478 n_error = 0; 1479 sum = 0; 1480 1481 for (s_addr = 0; s_addr < 2; s_addr++, wbuf++) { 1482 sum += *wbuf; 1483 if (*wbuf != AscWriteEEPWord(iot, ioh, s_addr, *wbuf)) 1484 n_error++; 1485 } 1486 1487 if (bus_type & ASC_IS_VL) { 1488 cfg_beg = ASC_EEP_DVC_CFG_BEG_VL; 1489 cfg_end = ASC_EEP_MAX_DVC_ADDR_VL; 1490 } else { 1491 cfg_beg = ASC_EEP_DVC_CFG_BEG; 1492 cfg_end = ASC_EEP_MAX_DVC_ADDR; 1493 } 1494 1495 for (s_addr = cfg_beg; s_addr <= (cfg_end - 1); s_addr++, wbuf++) { 1496 sum += *wbuf; 1497 if (*wbuf != AscWriteEEPWord(iot, ioh, s_addr, *wbuf)) 1498 n_error++; 1499 } 1500 1501 *wbuf = sum; 1502 if (sum != AscWriteEEPWord(iot, ioh, s_addr, sum)) 1503 n_error++; 1504 1505 wbuf = (u_int16_t *) cfg_buf; 1506 for (s_addr = 0; s_addr < 2; s_addr++, wbuf++) { 1507 if (*wbuf != AscReadEEPWord(iot, ioh, s_addr)) 1508 n_error++; 1509 } 1510 1511 for (s_addr = cfg_beg; s_addr <= cfg_end; s_addr++, wbuf++) { 1512 if (*wbuf != AscReadEEPWord(iot, ioh, s_addr)) 1513 n_error++; 1514 } 1515 1516 return (n_error); 1517 } 1518 1519 1520 #ifdef ASC_DEBUG 1521 static void 1522 AscPrintEEPConfig(eep_config, chksum) 1523 ASCEEP_CONFIG *eep_config; 1524 u_int16_t chksum; 1525 { 1526 printf("---- ASC EEprom settings ----\n"); 1527 printf("cfg_lsw = 0x%x\n", eep_config->cfg_lsw); 1528 printf("cfg_msw = 0x%x\n", eep_config->cfg_msw); 1529 printf("init_sdtr = 0x%x\n", eep_config->init_sdtr); 1530 printf("disc_enable = 0x%x\n", eep_config->disc_enable); 1531 printf("use_cmd_qng = %d\n", eep_config->use_cmd_qng); 1532 printf("start_motor = 0x%x\n", eep_config->start_motor); 1533 printf("max_total_qng = 0x%x\n", eep_config->max_total_qng); 1534 printf("max_tag_qng = 0x%x\n", eep_config->max_tag_qng); 1535 printf("bios_scan = 0x%x\n", eep_config->bios_scan); 1536 printf("power_up_wait = 0x%x\n", eep_config->power_up_wait); 1537 printf("no_scam = %d\n", eep_config->no_scam); 1538 printf("chip_scsi_id = %d\n", eep_config->chip_scsi_id); 1539 printf("isa_dma_speed = %d\n", eep_config->isa_dma_speed); 1540 printf("cntl = 0x%x\n", eep_config->cntl); 1541 #if BYTE_ORDER == BIG_ENDIAN 1542 printf("adapter_info[0] = 0x%x\n", eep_config->adapter_info[1]); 1543 printf("adapter_info[1] = 0x%x\n", eep_config->adapter_info[0]); 1544 printf("adapter_info[2] = 0x%x\n", eep_config->adapter_info[3]); 1545 printf("adapter_info[3] = 0x%x\n", eep_config->adapter_info[2]); 1546 printf("adapter_info[4] = 0x%x\n", eep_config->adapter_info[5]); 1547 printf("adapter_info[5] = 0x%x\n", eep_config->adapter_info[4]); 1548 #else 1549 printf("adapter_info[0] = 0x%x\n", eep_config->adapter_info[0]); 1550 printf("adapter_info[1] = 0x%x\n", eep_config->adapter_info[1]); 1551 printf("adapter_info[2] = 0x%x\n", eep_config->adapter_info[2]); 1552 printf("adapter_info[3] = 0x%x\n", eep_config->adapter_info[3]); 1553 printf("adapter_info[4] = 0x%x\n", eep_config->adapter_info[4]); 1554 printf("adapter_info[5] = 0x%x\n", eep_config->adapter_info[5]); 1555 #endif 1556 printf("checksum = 0x%x\n", eep_config->chksum); 1557 printf("calculated checksum = 0x%x\n", chksum); 1558 printf("-----------------------------\n"); 1559 } 1560 #endif 1561 1562 1563 /******************************************************************************/ 1564 /* Interrupt routines */ 1565 /******************************************************************************/ 1566 1567 1568 int 1569 AscISR(sc) 1570 ASC_SOFTC *sc; 1571 { 1572 bus_space_tag_t iot = sc->sc_iot; 1573 bus_space_handle_t ioh = sc->sc_ioh; 1574 u_int16_t chipstat; 1575 u_int16_t saved_ram_addr; 1576 u_int8_t ctrl_reg; 1577 u_int8_t saved_ctrl_reg; 1578 int int_pending; 1579 int status; 1580 u_int8_t host_flag; 1581 1582 1583 int_pending = FALSE; 1584 1585 ctrl_reg = ASC_GET_CHIP_CONTROL(iot, ioh); 1586 saved_ctrl_reg = ctrl_reg & (~(ASC_CC_SCSI_RESET | ASC_CC_CHIP_RESET | 1587 ASC_CC_SINGLE_STEP | ASC_CC_DIAG | ASC_CC_TEST)); 1588 chipstat = ASC_GET_CHIP_STATUS(iot, ioh); 1589 if (chipstat & ASC_CSW_SCSI_RESET_LATCH) { 1590 if (!(sc->bus_type & (ASC_IS_VL | ASC_IS_EISA))) { 1591 int_pending = TRUE; 1592 sc->sdtr_done = 0; 1593 saved_ctrl_reg &= (u_int8_t) (~ASC_CC_HALT); 1594 1595 while (ASC_GET_CHIP_STATUS(iot, ioh) & ASC_CSW_SCSI_RESET_ACTIVE); 1596 1597 ASC_SET_CHIP_CONTROL(iot, ioh, (ASC_CC_CHIP_RESET | ASC_CC_HALT)); 1598 ASC_SET_CHIP_CONTROL(iot, ioh, ASC_CC_HALT); 1599 ASC_SET_CHIP_STATUS(iot, ioh, ASC_CIW_CLR_SCSI_RESET_INT); 1600 ASC_SET_CHIP_STATUS(iot, ioh, 0); 1601 chipstat = ASC_GET_CHIP_STATUS(iot, ioh); 1602 } 1603 } 1604 saved_ram_addr = ASC_GET_CHIP_LRAM_ADDR(iot, ioh); 1605 host_flag = AscReadLramByte(iot, ioh, ASCV_HOST_FLAG_B) & 1606 (u_int8_t) (~ASC_HOST_FLAG_IN_ISR); 1607 AscWriteLramByte(iot, ioh, ASCV_HOST_FLAG_B, 1608 (host_flag | ASC_HOST_FLAG_IN_ISR)); 1609 1610 if ((chipstat & ASC_CSW_INT_PENDING) || (int_pending)) { 1611 AscAckInterrupt(iot, ioh); 1612 int_pending = TRUE; 1613 1614 if ((chipstat & ASC_CSW_HALTED) && 1615 (ctrl_reg & ASC_CC_SINGLE_STEP)) { 1616 AscIsrChipHalted(sc); 1617 saved_ctrl_reg &= ~ASC_CC_HALT; 1618 } else { 1619 if (sc->dvc_cntl & ASC_CNTL_INT_MULTI_Q) { 1620 while (((status = AscIsrQDone(sc)) & 0x01) != 0); 1621 } else { 1622 do { 1623 if ((status = AscIsrQDone(sc)) == 1) 1624 break; 1625 } while (status == 0x11); 1626 } 1627 1628 if (status & 0x80) 1629 int_pending = -1; 1630 } 1631 } 1632 AscWriteLramByte(iot, ioh, ASCV_HOST_FLAG_B, host_flag); 1633 ASC_SET_CHIP_LRAM_ADDR(iot, ioh, saved_ram_addr); 1634 ASC_SET_CHIP_CONTROL(iot, ioh, saved_ctrl_reg); 1635 1636 return (1); 1637 /* return(int_pending); */ 1638 } 1639 1640 1641 static int 1642 AscIsrQDone(sc) 1643 ASC_SOFTC *sc; 1644 { 1645 u_int8_t next_qp; 1646 u_int8_t n_q_used; 1647 u_int8_t sg_list_qp; 1648 u_int8_t sg_queue_cnt; 1649 u_int8_t q_cnt; 1650 u_int8_t done_q_tail; 1651 u_int8_t tid_no; 1652 ASC_SCSI_BIT_ID_TYPE scsi_busy; 1653 ASC_SCSI_BIT_ID_TYPE target_id; 1654 bus_space_tag_t iot = sc->sc_iot; 1655 bus_space_handle_t ioh = sc->sc_ioh; 1656 u_int16_t q_addr; 1657 u_int16_t sg_q_addr; 1658 u_int8_t cur_target_qng; 1659 ASC_QDONE_INFO scsiq_buf; 1660 ASC_QDONE_INFO *scsiq; 1661 ASC_ISR_CALLBACK asc_isr_callback; 1662 1663 1664 asc_isr_callback = (ASC_ISR_CALLBACK) sc->isr_callback; 1665 n_q_used = 1; 1666 scsiq = (ASC_QDONE_INFO *) & scsiq_buf; 1667 done_q_tail = ASC_GET_VAR_DONE_QTAIL(iot, ioh); 1668 q_addr = ASC_QNO_TO_QADDR(done_q_tail); 1669 next_qp = AscReadLramByte(iot, ioh, (q_addr + ASC_SCSIQ_B_FWD)); 1670 1671 if (next_qp != ASC_QLINK_END) { 1672 ASC_PUT_VAR_DONE_QTAIL(iot, ioh, next_qp); 1673 q_addr = ASC_QNO_TO_QADDR(next_qp); 1674 sg_queue_cnt = _AscCopyLramScsiDoneQ(iot, ioh, q_addr, scsiq, 1675 sc->max_dma_count); 1676 AscWriteLramByte(iot, ioh, (q_addr + ASC_SCSIQ_B_STATUS), 1677 (scsiq->q_status & ~(ASC_QS_READY | ASC_QS_ABORTED))); 1678 tid_no = ASC_TIX_TO_TID(scsiq->d2.target_ix); 1679 target_id = ASC_TIX_TO_TARGET_ID(scsiq->d2.target_ix); 1680 if ((scsiq->cntl & ASC_QC_SG_HEAD) != 0) { 1681 sg_q_addr = q_addr; 1682 sg_list_qp = next_qp; 1683 for (q_cnt = 0; q_cnt < sg_queue_cnt; q_cnt++) { 1684 sg_list_qp = AscReadLramByte(iot, ioh, 1685 sg_q_addr + ASC_SCSIQ_B_FWD); 1686 sg_q_addr = ASC_QNO_TO_QADDR(sg_list_qp); 1687 if (sg_list_qp == ASC_QLINK_END) { 1688 AscSetLibErrorCode(sc, ASCQ_ERR_SG_Q_LINKS); 1689 scsiq->d3.done_stat = ASC_QD_WITH_ERROR; 1690 scsiq->d3.host_stat = ASC_QHSTA_D_QDONE_SG_LIST_CORRUPTED; 1691 panic("AscIsrQDone: Corrupted SG list encountered"); 1692 } 1693 AscWriteLramByte(iot, ioh, 1694 sg_q_addr + ASC_SCSIQ_B_STATUS, ASC_QS_FREE); 1695 } 1696 n_q_used = sg_queue_cnt + 1; 1697 ASC_PUT_VAR_DONE_QTAIL(iot, ioh, sg_list_qp); 1698 } 1699 if (sc->queue_full_or_busy & target_id) { 1700 cur_target_qng = AscReadLramByte(iot, ioh, 1701 ASC_QADR_BEG + scsiq->d2.target_ix); 1702 1703 if (cur_target_qng < sc->max_dvc_qng[tid_no]) { 1704 scsi_busy = AscReadLramByte(iot, ioh, ASCV_SCSIBUSY_B); 1705 scsi_busy &= ~target_id; 1706 AscWriteLramByte(iot, ioh, ASCV_SCSIBUSY_B, scsi_busy); 1707 sc->queue_full_or_busy &= ~target_id; 1708 } 1709 } 1710 if (sc->cur_total_qng >= n_q_used) { 1711 sc->cur_total_qng -= n_q_used; 1712 if (sc->cur_dvc_qng[tid_no] != 0) { 1713 sc->cur_dvc_qng[tid_no]--; 1714 } 1715 } else { 1716 AscSetLibErrorCode(sc, ASCQ_ERR_CUR_QNG); 1717 scsiq->d3.done_stat = ASC_QD_WITH_ERROR; 1718 panic("AscIsrQDone: Attempting to free more queues than are active"); 1719 } 1720 1721 if ((adv_ccb_phys_kv(sc, scsiq->d2.ccb_ptr) == 0UL) || 1722 ((scsiq->q_status & ASC_QS_ABORTED) != 0)) { 1723 return (0x11); 1724 } else if (scsiq->q_status == ASC_QS_DONE) { 1725 scsiq->remain_bytes += scsiq->extra_bytes; 1726 1727 if (scsiq->d3.done_stat == ASC_QD_WITH_ERROR) { 1728 if (scsiq->d3.host_stat == ASC_QHSTA_M_DATA_OVER_RUN) { 1729 if ((scsiq->cntl & (ASC_QC_DATA_IN | ASC_QC_DATA_OUT)) == 0) { 1730 scsiq->d3.done_stat = ASC_QD_NO_ERROR; 1731 scsiq->d3.host_stat = ASC_QHSTA_NO_ERROR; 1732 } 1733 } else if (scsiq->d3.host_stat == ASC_QHSTA_M_HUNG_REQ_SCSI_BUS_RESET) { 1734 AscStopChip(iot, ioh); 1735 ASC_SET_CHIP_CONTROL(iot, ioh, (ASC_CC_SCSI_RESET | ASC_CC_HALT)); 1736 DvcDelayNanoSecond(60000); 1737 ASC_SET_CHIP_CONTROL(iot, ioh, ASC_CC_HALT); 1738 ASC_SET_CHIP_STATUS(iot, ioh, ASC_CIW_CLR_SCSI_RESET_INT); 1739 ASC_SET_CHIP_STATUS(iot, ioh, 0); 1740 ASC_SET_CHIP_CONTROL(iot, ioh, 0); 1741 } 1742 } 1743 (*asc_isr_callback) (sc, scsiq); 1744 1745 return (1); 1746 } else { 1747 AscSetLibErrorCode(sc, ASCQ_ERR_Q_STATUS); 1748 panic("AscIsrQDone: completed scsiq with unknown status"); 1749 1750 return (0x80); 1751 } 1752 } 1753 return (0); 1754 } 1755 1756 1757 /* 1758 * handle all the conditions that may halt the board 1759 * waiting us to intervene 1760 */ 1761 static void 1762 AscIsrChipHalted(sc) 1763 ASC_SOFTC *sc; 1764 { 1765 bus_space_tag_t iot = sc->sc_iot; 1766 bus_space_handle_t ioh = sc->sc_ioh; 1767 EXT_MSG out_msg; 1768 u_int16_t int_halt_code; 1769 u_int16_t halt_q_addr; 1770 u_int8_t halt_qp; 1771 u_int8_t target_ix; 1772 u_int8_t tag_code; 1773 u_int8_t q_status; 1774 u_int8_t q_cntl; 1775 u_int8_t tid_no; 1776 u_int8_t cur_dvc_qng; 1777 u_int8_t asyn_sdtr; 1778 u_int8_t scsi_status; 1779 u_int8_t sdtr_data; 1780 ASC_SCSI_BIT_ID_TYPE scsi_busy; 1781 ASC_SCSI_BIT_ID_TYPE target_id; 1782 1783 1784 int_halt_code = AscReadLramWord(iot, ioh, ASCV_HALTCODE_W); 1785 1786 halt_qp = AscReadLramByte(iot, ioh, ASCV_CURCDB_B); 1787 halt_q_addr = ASC_QNO_TO_QADDR(halt_qp); 1788 target_ix = AscReadLramByte(iot, ioh, halt_q_addr + ASC_SCSIQ_B_TARGET_IX); 1789 q_cntl = AscReadLramByte(iot, ioh, halt_q_addr + ASC_SCSIQ_B_CNTL); 1790 tid_no = ASC_TIX_TO_TID(target_ix); 1791 target_id = ASC_TID_TO_TARGET_ID(tid_no); 1792 1793 if (sc->pci_fix_asyn_xfer & target_id) { 1794 asyn_sdtr = ASYN_SDTR_DATA_FIX_PCI_REV_AB; 1795 } else { 1796 asyn_sdtr = 0; 1797 } 1798 1799 if (int_halt_code == ASC_HALT_DISABLE_ASYN_USE_SYN_FIX) { 1800 if (sc->pci_fix_asyn_xfer & target_id) { 1801 AscSetChipSDTR(iot, ioh, 0, tid_no); 1802 sc->sdtr_data[tid_no] = 0; 1803 } 1804 AscWriteLramWord(iot, ioh, ASCV_HALTCODE_W, 0); 1805 } else if (int_halt_code == ASC_HALT_ENABLE_ASYN_USE_SYN_FIX) { 1806 if (sc->pci_fix_asyn_xfer & target_id) { 1807 AscSetChipSDTR(iot, ioh, asyn_sdtr, tid_no); 1808 sc->sdtr_data[tid_no] = asyn_sdtr; 1809 } 1810 AscWriteLramWord(iot, ioh, ASCV_HALTCODE_W, 0); 1811 } else if (int_halt_code == ASC_HALT_EXTMSG_IN) { 1812 AscHandleExtMsgIn(sc, halt_q_addr, q_cntl, target_id, 1813 tid_no, asyn_sdtr); 1814 AscWriteLramWord(iot, ioh, ASCV_HALTCODE_W, 0); 1815 } else if (int_halt_code == ASC_HALT_CHK_CONDITION) { 1816 q_cntl |= ASC_QC_REQ_SENSE; 1817 1818 if (sc->init_sdtr & target_id) { 1819 sc->sdtr_done &= ~target_id; 1820 1821 sdtr_data = ASC_GET_MCODE_INIT_SDTR_AT_ID(iot, ioh, tid_no); 1822 q_cntl |= ASC_QC_MSG_OUT; 1823 AscMsgOutSDTR(sc, sc->sdtr_period_tbl[(sdtr_data >> 4) & 1824 (sc->max_sdtr_index - 1)], 1825 (sdtr_data & ASC_SYN_MAX_OFFSET)); 1826 } 1827 AscWriteLramByte(iot, ioh, halt_q_addr + ASC_SCSIQ_B_CNTL, q_cntl); 1828 1829 tag_code = AscReadLramByte(iot, ioh, halt_q_addr + ASC_SCSIQ_B_TAG_CODE); 1830 tag_code &= 0xDC; 1831 1832 if ((sc->pci_fix_asyn_xfer & target_id) && 1833 !(sc->pci_fix_asyn_xfer_always & target_id)) { 1834 tag_code |= (ASC_TAG_FLAG_DISABLE_DISCONNECT | 1835 ASC_TAG_FLAG_DISABLE_ASYN_USE_SYN_FIX); 1836 } 1837 AscWriteLramByte(iot, ioh, halt_q_addr + ASC_SCSIQ_B_TAG_CODE, tag_code); 1838 1839 q_status = AscReadLramByte(iot, ioh, halt_q_addr + ASC_SCSIQ_B_STATUS); 1840 q_status |= ASC_QS_READY | ASC_QS_BUSY; 1841 1842 AscWriteLramByte(iot, ioh, halt_q_addr + ASC_SCSIQ_B_STATUS, q_status); 1843 1844 scsi_busy = AscReadLramByte(iot, ioh, ASCV_SCSIBUSY_B); 1845 scsi_busy &= ~target_id; 1846 AscWriteLramByte(iot, ioh, ASCV_SCSIBUSY_B, scsi_busy); 1847 1848 AscWriteLramWord(iot, ioh, ASCV_HALTCODE_W, 0); 1849 } else if (int_halt_code == ASC_HALT_SDTR_REJECTED) { 1850 AscMemWordCopyFromLram(iot, ioh, ASCV_MSGOUT_BEG, 1851 (u_int16_t *) & out_msg, sizeof(EXT_MSG) >> 1); 1852 1853 if ((out_msg.msg_type == MS_EXTEND) && 1854 (out_msg.msg_len == MS_SDTR_LEN) && 1855 (out_msg.msg_req == MS_SDTR_CODE)) { 1856 sc->init_sdtr &= ~target_id; 1857 sc->sdtr_done &= ~target_id; 1858 AscSetChipSDTR(iot, ioh, asyn_sdtr, tid_no); 1859 sc->sdtr_data[tid_no] = asyn_sdtr; 1860 } 1861 q_cntl &= ~ASC_QC_MSG_OUT; 1862 AscWriteLramByte(iot, ioh, halt_q_addr + ASC_SCSIQ_B_CNTL, q_cntl); 1863 AscWriteLramWord(iot, ioh, ASCV_HALTCODE_W, 0); 1864 } else if (int_halt_code == ASC_HALT_SS_QUEUE_FULL) { 1865 scsi_status = AscReadLramByte(iot, ioh, 1866 halt_q_addr + ASC_SCSIQ_SCSI_STATUS); 1867 cur_dvc_qng = AscReadLramByte(iot, ioh, target_ix + ASC_QADR_BEG); 1868 1869 if ((cur_dvc_qng > 0) && (sc->cur_dvc_qng[tid_no] > 0)) { 1870 scsi_busy = AscReadLramByte(iot, ioh, ASCV_SCSIBUSY_B); 1871 scsi_busy |= target_id; 1872 AscWriteLramByte(iot, ioh, ASCV_SCSIBUSY_B, scsi_busy); 1873 sc->queue_full_or_busy |= target_id; 1874 1875 if (scsi_status == SS_QUEUE_FULL) { 1876 if (cur_dvc_qng > ASC_MIN_TAGGED_CMD) { 1877 cur_dvc_qng -= 1; 1878 sc->max_dvc_qng[tid_no] = cur_dvc_qng; 1879 1880 AscWriteLramByte(iot, ioh, 1881 tid_no + ASCV_MAX_DVC_QNG_BEG, cur_dvc_qng); 1882 1883 #if ASC_QUEUE_FLOW_CONTROL 1884 if ((sc->device[tid_no] != NULL) && 1885 (sc->device[tid_no]->queue_curr_depth > cur_dvc_qng)) { 1886 sc->device[tid_no]->queue_curr_depth = cur_dvc_qng; 1887 } 1888 #endif /* ASC_QUEUE_FLOW_CONTROL */ 1889 } 1890 } 1891 } 1892 AscWriteLramWord(iot, ioh, ASCV_HALTCODE_W, 0); 1893 } 1894 return; 1895 } 1896 1897 1898 static int 1899 AscWaitTixISRDone(sc, target_ix) 1900 ASC_SOFTC *sc; 1901 u_int8_t target_ix; 1902 { 1903 u_int8_t cur_req; 1904 u_int8_t tid_no; 1905 int i = 0; 1906 1907 tid_no = ASC_TIX_TO_TID(target_ix); 1908 while (i++ < 10) { 1909 if ((cur_req = sc->cur_dvc_qng[tid_no]) == 0) 1910 break; 1911 1912 DvcSleepMilliSecond(1000L); 1913 if (sc->cur_dvc_qng[tid_no] == cur_req) 1914 break; 1915 } 1916 return (1); 1917 } 1918 1919 static int 1920 AscWaitISRDone(sc) 1921 ASC_SOFTC *sc; 1922 { 1923 int tid; 1924 1925 for (tid = 0; tid <= ASC_MAX_TID; tid++) 1926 AscWaitTixISRDone(sc, ASC_TID_TO_TIX(tid)); 1927 1928 return (1); 1929 } 1930 1931 1932 static u_int8_t 1933 _AscCopyLramScsiDoneQ(iot, ioh, q_addr, scsiq, max_dma_count) 1934 bus_space_tag_t iot; 1935 bus_space_handle_t ioh; 1936 u_int16_t q_addr; 1937 ASC_QDONE_INFO *scsiq; 1938 u_int32_t max_dma_count; 1939 { 1940 u_int16_t _val; 1941 u_int8_t sg_queue_cnt; 1942 1943 AscGetQDoneInfo(iot, ioh, q_addr + ASC_SCSIQ_DONE_INFO_BEG, scsiq); 1944 1945 _val = AscReadLramWord(iot, ioh, q_addr + ASC_SCSIQ_B_STATUS); 1946 scsiq->q_status = LO_BYTE(_val); 1947 scsiq->q_no = HI_BYTE(_val); 1948 _val = AscReadLramWord(iot, ioh, q_addr + ASC_SCSIQ_B_CNTL); 1949 scsiq->cntl = LO_BYTE(_val); 1950 sg_queue_cnt = HI_BYTE(_val); 1951 _val = AscReadLramWord(iot, ioh, q_addr + ASC_SCSIQ_B_SENSE_LEN); 1952 scsiq->sense_len = LO_BYTE(_val); 1953 scsiq->extra_bytes = HI_BYTE(_val); 1954 scsiq->remain_bytes = AscReadLramWord(iot, ioh, 1955 q_addr + ASC_SCSIQ_DW_REMAIN_XFER_CNT); 1956 scsiq->remain_bytes &= max_dma_count; 1957 1958 return (sg_queue_cnt); 1959 } 1960 1961 1962 static void 1963 AscGetQDoneInfo(iot, ioh, addr, scsiq) 1964 bus_space_tag_t iot; 1965 bus_space_handle_t ioh; 1966 u_int16_t addr; 1967 ASC_QDONE_INFO *scsiq; 1968 { 1969 u_int16_t val; 1970 1971 ASC_SET_CHIP_LRAM_ADDR(iot, ioh, addr); 1972 1973 val = ASC_GET_CHIP_LRAM_DATA(iot, ioh); 1974 scsiq->d2.ccb_ptr = MAKELONG(val, ASC_GET_CHIP_LRAM_DATA(iot, ioh)); 1975 val = ASC_GET_CHIP_LRAM_DATA(iot, ioh); 1976 scsiq->d2.target_ix = LO_BYTE(val); 1977 scsiq->d2.flag = HI_BYTE(val); 1978 val = ASC_GET_CHIP_LRAM_DATA(iot, ioh); 1979 scsiq->d2.cdb_len = LO_BYTE(val); 1980 scsiq->d2.tag_code = HI_BYTE(val); 1981 scsiq->d2.vm_id = ASC_GET_CHIP_LRAM_DATA(iot, ioh); 1982 1983 val = ASC_GET_CHIP_LRAM_DATA(iot, ioh); 1984 scsiq->d3.done_stat = LO_BYTE(val); 1985 scsiq->d3.host_stat = HI_BYTE(val); 1986 val = ASC_GET_CHIP_LRAM_DATA(iot, ioh); 1987 scsiq->d3.scsi_stat = LO_BYTE(val); 1988 scsiq->d3.scsi_msg = HI_BYTE(val); 1989 } 1990 1991 1992 static void 1993 AscToggleIRQAct(iot, ioh) 1994 bus_space_tag_t iot; 1995 bus_space_handle_t ioh; 1996 { 1997 1998 ASC_SET_CHIP_STATUS(iot, ioh, ASC_CIW_IRQ_ACT); 1999 ASC_SET_CHIP_STATUS(iot, ioh, 0); 2000 } 2001 2002 2003 static void 2004 AscDisableInterrupt(iot, ioh) 2005 bus_space_tag_t iot; 2006 bus_space_handle_t ioh; 2007 { 2008 u_int16_t cfg; 2009 2010 cfg = ASC_GET_CHIP_CFG_LSW(iot, ioh); 2011 ASC_SET_CHIP_CFG_LSW(iot, ioh, cfg & (~ASC_CFG0_HOST_INT_ON)); 2012 } 2013 2014 2015 static void 2016 AscEnableInterrupt(iot, ioh) 2017 bus_space_tag_t iot; 2018 bus_space_handle_t ioh; 2019 { 2020 u_int16_t cfg; 2021 2022 cfg = ASC_GET_CHIP_CFG_LSW(iot, ioh); 2023 ASC_SET_CHIP_CFG_LSW(iot, ioh, cfg | ASC_CFG0_HOST_INT_ON); 2024 } 2025 2026 2027 u_int8_t 2028 AscGetChipIRQ(iot, ioh, bus_type) 2029 bus_space_tag_t iot; 2030 bus_space_handle_t ioh; 2031 u_int16_t bus_type; 2032 { 2033 u_int16_t cfg_lsw; 2034 u_int8_t chip_irq; 2035 2036 2037 /* if (bus_type & ASC_IS_EISA) { 2038 cfg_lsw = AscGetEisaChipCfg(iot, ioh); 2039 chip_irq = ((cfg_lsw >> 8) & 0x07) + 10; 2040 if((chip_irq == 13) || (chip_irq > 15)) 2041 return (0); 2042 return(chip_irq); 2043 } 2044 */ if ((bus_type & ASC_IS_VL) != 0) { 2045 cfg_lsw = ASC_GET_CHIP_CFG_LSW(iot, ioh); 2046 chip_irq = (cfg_lsw >> 2) & 0x07; 2047 if ((chip_irq == 0) || 2048 (chip_irq == 4) || 2049 (chip_irq == 7)) { 2050 return (0); 2051 } 2052 return (chip_irq + (ASC_MIN_IRQ_NO - 1)); 2053 } 2054 cfg_lsw = ASC_GET_CHIP_CFG_LSW(iot, ioh); 2055 chip_irq = (cfg_lsw >> 2) & 0x03; 2056 if (chip_irq == 3) 2057 chip_irq += 2; 2058 return (chip_irq + ASC_MIN_IRQ_NO); 2059 } 2060 2061 2062 static u_int8_t 2063 AscSetChipIRQ(iot, ioh, irq_no, bus_type) 2064 bus_space_tag_t iot; 2065 bus_space_handle_t ioh; 2066 u_int8_t irq_no; 2067 u_int16_t bus_type; 2068 { 2069 u_int16_t cfg_lsw; 2070 2071 2072 if (bus_type & ASC_IS_VL) { 2073 if (irq_no) { 2074 if ((irq_no < ASC_MIN_IRQ_NO) || (irq_no > ASC_MAX_IRQ_NO)) 2075 irq_no = 0; 2076 else 2077 irq_no -= ASC_MIN_IRQ_NO - 1; 2078 } 2079 2080 cfg_lsw = ASC_GET_CHIP_CFG_LSW(iot, ioh) & 0xFFE3; 2081 cfg_lsw |= 0x0010; 2082 ASC_SET_CHIP_CFG_LSW(iot, ioh, cfg_lsw); 2083 AscToggleIRQAct(iot, ioh); 2084 cfg_lsw = ASC_GET_CHIP_CFG_LSW(iot, ioh) & 0xFFE0; 2085 cfg_lsw |= (irq_no & 0x07) << 2; 2086 ASC_SET_CHIP_CFG_LSW(iot, ioh, cfg_lsw); 2087 AscToggleIRQAct(iot, ioh); 2088 2089 return (AscGetChipIRQ(iot, ioh, bus_type)); 2090 } 2091 if (bus_type & ASC_IS_ISA) { 2092 if (irq_no == 15) 2093 irq_no -= 2; 2094 irq_no -= ASC_MIN_IRQ_NO; 2095 cfg_lsw = ASC_GET_CHIP_CFG_LSW(iot, ioh) & 0xFFF3; 2096 cfg_lsw |= (irq_no & 0x03) << 2; 2097 ASC_SET_CHIP_CFG_LSW(iot, ioh, cfg_lsw); 2098 2099 return (AscGetChipIRQ(iot, ioh, bus_type)); 2100 } 2101 return (0); 2102 } 2103 2104 2105 static void 2106 AscAckInterrupt(iot, ioh) 2107 bus_space_tag_t iot; 2108 bus_space_handle_t ioh; 2109 { 2110 u_int8_t host_flag; 2111 u_int8_t risc_flag; 2112 u_int16_t loop; 2113 2114 2115 loop = 0; 2116 do { 2117 risc_flag = AscReadLramByte(iot, ioh, ASCV_RISC_FLAG_B); 2118 if (loop++ > 0x7FFF) 2119 break; 2120 } while ((risc_flag & ASC_RISC_FLAG_GEN_INT) != 0); 2121 2122 host_flag = AscReadLramByte(iot, ioh, ASCV_HOST_FLAG_B) & 2123 (~ASC_HOST_FLAG_ACK_INT); 2124 AscWriteLramByte(iot, ioh, ASCV_HOST_FLAG_B, 2125 host_flag | ASC_HOST_FLAG_ACK_INT); 2126 ASC_SET_CHIP_STATUS(iot, ioh, ASC_CIW_INT_ACK); 2127 2128 loop = 0; 2129 while (ASC_GET_CHIP_STATUS(iot, ioh) & ASC_CSW_INT_PENDING) { 2130 ASC_SET_CHIP_STATUS(iot, ioh, ASC_CIW_INT_ACK); 2131 if (loop++ > 3) 2132 break; 2133 } 2134 2135 AscWriteLramByte(iot, ioh, ASCV_HOST_FLAG_B, host_flag); 2136 } 2137 2138 2139 static u_int32_t 2140 AscGetMaxDmaCount(bus_type) 2141 u_int16_t bus_type; 2142 { 2143 if (bus_type & ASC_IS_ISA) 2144 return (ASC_MAX_ISA_DMA_COUNT); 2145 else if (bus_type & (ASC_IS_EISA | ASC_IS_VL)) 2146 return (ASC_MAX_VL_DMA_COUNT); 2147 return (ASC_MAX_PCI_DMA_COUNT); 2148 } 2149 2150 2151 u_int16_t 2152 AscGetIsaDmaChannel(iot, ioh) 2153 bus_space_tag_t iot; 2154 bus_space_handle_t ioh; 2155 { 2156 u_int16_t channel; 2157 2158 channel = ASC_GET_CHIP_CFG_LSW(iot, ioh) & 0x0003; 2159 if (channel == 0x03) 2160 return (0); 2161 else if (channel == 0x00) 2162 return (7); 2163 return (channel + 4); 2164 } 2165 2166 2167 static u_int16_t 2168 AscSetIsaDmaChannel(iot, ioh, dma_channel) 2169 bus_space_tag_t iot; 2170 bus_space_handle_t ioh; 2171 u_int16_t dma_channel; 2172 { 2173 u_int16_t cfg_lsw; 2174 u_int8_t value; 2175 2176 if ((dma_channel >= 5) && (dma_channel <= 7)) { 2177 if (dma_channel == 7) 2178 value = 0x00; 2179 else 2180 value = dma_channel - 4; 2181 cfg_lsw = ASC_GET_CHIP_CFG_LSW(iot, ioh) & 0xFFFC; 2182 cfg_lsw |= value; 2183 ASC_SET_CHIP_CFG_LSW(iot, ioh, cfg_lsw); 2184 return (AscGetIsaDmaChannel(iot, ioh)); 2185 } 2186 return (0); 2187 } 2188 2189 2190 static u_int8_t 2191 AscGetIsaDmaSpeed(iot, ioh) 2192 bus_space_tag_t iot; 2193 bus_space_handle_t ioh; 2194 { 2195 u_int8_t speed_value; 2196 2197 AscSetBank(iot, ioh, 1); 2198 speed_value = ASC_READ_CHIP_DMA_SPEED(iot, ioh); 2199 speed_value &= 0x07; 2200 AscSetBank(iot, ioh, 0); 2201 return (speed_value); 2202 } 2203 2204 2205 static u_int8_t 2206 AscSetIsaDmaSpeed(iot, ioh, speed_value) 2207 bus_space_tag_t iot; 2208 bus_space_handle_t ioh; 2209 u_int8_t speed_value; 2210 { 2211 speed_value &= 0x07; 2212 AscSetBank(iot, ioh, 1); 2213 ASC_WRITE_CHIP_DMA_SPEED(iot, ioh, speed_value); 2214 AscSetBank(iot, ioh, 0); 2215 return (AscGetIsaDmaSpeed(iot, ioh)); 2216 } 2217 2218 2219 /******************************************************************************/ 2220 /* Messages routines */ 2221 /******************************************************************************/ 2222 2223 2224 static void 2225 AscHandleExtMsgIn(sc, halt_q_addr, q_cntl, target_id, tid_no, asyn_sdtr) 2226 ASC_SOFTC *sc; 2227 u_int16_t halt_q_addr; 2228 u_int8_t q_cntl; 2229 ASC_SCSI_BIT_ID_TYPE target_id; 2230 int tid_no; 2231 u_int8_t asyn_sdtr; 2232 { 2233 bus_space_tag_t iot = sc->sc_iot; 2234 bus_space_handle_t ioh = sc->sc_ioh; 2235 EXT_MSG ext_msg; 2236 u_int8_t sdtr_data; 2237 int sdtr_accept; 2238 2239 2240 AscMemWordCopyFromLram(iot, ioh, ASCV_MSGIN_BEG, 2241 (u_int16_t *) & ext_msg, sizeof(EXT_MSG) >> 1); 2242 2243 if (ext_msg.msg_type == MS_EXTEND && 2244 ext_msg.msg_req == MS_SDTR_CODE && 2245 ext_msg.msg_len == MS_SDTR_LEN) { 2246 sdtr_accept = TRUE; 2247 2248 if (ext_msg.req_ack_offset > ASC_SYN_MAX_OFFSET) { 2249 sdtr_accept = FALSE; 2250 ext_msg.req_ack_offset = ASC_SYN_MAX_OFFSET; 2251 } 2252 if ((ext_msg.xfer_period < 2253 sc->sdtr_period_tbl[sc->host_init_sdtr_index]) || 2254 (ext_msg.xfer_period > 2255 sc->sdtr_period_tbl[sc->max_sdtr_index])) { 2256 sdtr_accept = FALSE; 2257 ext_msg.xfer_period = sc->sdtr_period_tbl[sc->host_init_sdtr_index]; 2258 } 2259 if (sdtr_accept) { 2260 sdtr_data = AscCalSDTRData(sc, ext_msg.xfer_period, 2261 ext_msg.req_ack_offset); 2262 if (sdtr_data == 0xFF) { 2263 q_cntl |= ASC_QC_MSG_OUT; 2264 sc->init_sdtr &= ~target_id; 2265 sc->sdtr_done &= ~target_id; 2266 AscSetChipSDTR(iot, ioh, asyn_sdtr, tid_no); 2267 sc->sdtr_data[tid_no] = asyn_sdtr; 2268 } 2269 } 2270 if (ext_msg.req_ack_offset == 0) { 2271 q_cntl &= ~ASC_QC_MSG_OUT; 2272 sc->init_sdtr &= ~target_id; 2273 sc->sdtr_done &= ~target_id; 2274 AscSetChipSDTR(iot, ioh, asyn_sdtr, tid_no); 2275 } else { 2276 if (sdtr_accept && (q_cntl & ASC_QC_MSG_OUT)) { 2277 q_cntl &= ~ASC_QC_MSG_OUT; 2278 sc->sdtr_done |= target_id; 2279 sc->init_sdtr |= target_id; 2280 sc->pci_fix_asyn_xfer &= ~target_id; 2281 sdtr_data = AscCalSDTRData(sc, ext_msg.xfer_period, 2282 ext_msg.req_ack_offset); 2283 AscSetChipSDTR(iot, ioh, sdtr_data, tid_no); 2284 sc->sdtr_data[tid_no] = sdtr_data; 2285 } else { 2286 q_cntl |= ASC_QC_MSG_OUT; 2287 AscMsgOutSDTR(sc, ext_msg.xfer_period, 2288 ext_msg.req_ack_offset); 2289 sc->pci_fix_asyn_xfer &= ~target_id; 2290 sdtr_data = AscCalSDTRData(sc, ext_msg.xfer_period, 2291 ext_msg.req_ack_offset); 2292 AscSetChipSDTR(iot, ioh, sdtr_data, tid_no); 2293 sc->sdtr_data[tid_no] = sdtr_data; 2294 sc->sdtr_done |= target_id; 2295 sc->init_sdtr |= target_id; 2296 } 2297 } 2298 } else if (ext_msg.msg_type == MS_EXTEND && 2299 ext_msg.msg_req == MS_WDTR_CODE && 2300 ext_msg.msg_len == MS_WDTR_LEN) { 2301 ext_msg.wdtr_width = 0; 2302 AscMemWordCopyToLram(iot, ioh, ASCV_MSGOUT_BEG, 2303 (u_int16_t *) & ext_msg, sizeof(EXT_MSG) >> 1); 2304 q_cntl |= ASC_QC_MSG_OUT; 2305 } else { 2306 ext_msg.msg_type = M1_MSG_REJECT; 2307 AscMemWordCopyToLram(iot, ioh, ASCV_MSGOUT_BEG, 2308 (u_int16_t *) & ext_msg, sizeof(EXT_MSG) >> 1); 2309 q_cntl |= ASC_QC_MSG_OUT; 2310 } 2311 2312 AscWriteLramByte(iot, ioh, halt_q_addr + ASC_SCSIQ_B_CNTL, q_cntl); 2313 } 2314 2315 2316 static u_int8_t 2317 AscMsgOutSDTR(sc, sdtr_period, sdtr_offset) 2318 ASC_SOFTC *sc; 2319 u_int8_t sdtr_period; 2320 u_int8_t sdtr_offset; 2321 { 2322 bus_space_tag_t iot = sc->sc_iot; 2323 bus_space_handle_t ioh = sc->sc_ioh; 2324 EXT_MSG sdtr_buf; 2325 u_int8_t sdtr_period_index; 2326 2327 2328 sdtr_buf.msg_type = MS_EXTEND; 2329 sdtr_buf.msg_len = MS_SDTR_LEN; 2330 sdtr_buf.msg_req = MS_SDTR_CODE; 2331 sdtr_buf.xfer_period = sdtr_period; 2332 sdtr_offset &= ASC_SYN_MAX_OFFSET; 2333 sdtr_buf.req_ack_offset = sdtr_offset; 2334 if ((sdtr_period_index = AscGetSynPeriodIndex(sc, sdtr_period)) <= 2335 sc->max_sdtr_index) { 2336 AscMemWordCopyToLram(iot, ioh, ASCV_MSGOUT_BEG, 2337 (u_int16_t *) & sdtr_buf, sizeof(EXT_MSG) >> 1); 2338 return ((sdtr_period_index << 4) | sdtr_offset); 2339 } else { 2340 sdtr_buf.req_ack_offset = 0; 2341 AscMemWordCopyToLram(iot, ioh, ASCV_MSGOUT_BEG, 2342 (u_int16_t *) & sdtr_buf, sizeof(EXT_MSG) >> 1); 2343 return (0); 2344 } 2345 } 2346 2347 2348 /******************************************************************************/ 2349 /* SDTR routines */ 2350 /******************************************************************************/ 2351 2352 2353 static void 2354 AscSetChipSDTR(iot, ioh, sdtr_data, tid_no) 2355 bus_space_tag_t iot; 2356 bus_space_handle_t ioh; 2357 u_int8_t sdtr_data; 2358 u_int8_t tid_no; 2359 { 2360 AscSetChipSynRegAtID(iot, ioh, tid_no, sdtr_data); 2361 AscWriteLramByte(iot, ioh, tid_no + ASCV_SDTR_DONE_BEG, sdtr_data); 2362 } 2363 2364 2365 static u_int8_t 2366 AscCalSDTRData(sc, sdtr_period, syn_offset) 2367 ASC_SOFTC *sc; 2368 u_int8_t sdtr_period; 2369 u_int8_t syn_offset; 2370 { 2371 u_int8_t byte; 2372 u_int8_t sdtr_period_ix; 2373 2374 sdtr_period_ix = AscGetSynPeriodIndex(sc, sdtr_period); 2375 if (sdtr_period_ix > sc->max_sdtr_index) 2376 return (0xFF); 2377 2378 byte = (sdtr_period_ix << 4) | (syn_offset & ASC_SYN_MAX_OFFSET); 2379 return (byte); 2380 } 2381 2382 2383 static u_int8_t 2384 AscGetSynPeriodIndex(sc, syn_time) 2385 ASC_SOFTC *sc; 2386 u_int8_t syn_time; 2387 { 2388 u_int8_t *period_table; 2389 int max_index; 2390 int min_index; 2391 int i; 2392 2393 period_table = sc->sdtr_period_tbl; 2394 max_index = sc->max_sdtr_index; 2395 min_index = sc->host_init_sdtr_index; 2396 if ((syn_time <= period_table[max_index])) { 2397 for (i = min_index; i < (max_index - 1); i++) { 2398 if (syn_time <= period_table[i]) 2399 return (i); 2400 } 2401 2402 return (max_index); 2403 } else 2404 return (max_index + 1); 2405 } 2406 2407 2408 /******************************************************************************/ 2409 /* Queue routines */ 2410 /******************************************************************************/ 2411 2412 /* 2413 * Send a command to the board 2414 */ 2415 int 2416 AscExeScsiQueue(sc, scsiq) 2417 ASC_SOFTC *sc; 2418 ASC_SCSI_Q *scsiq; 2419 { 2420 bus_space_tag_t iot = sc->sc_iot; 2421 bus_space_handle_t ioh = sc->sc_ioh; 2422 ASC_SG_HEAD *sg_head = scsiq->sg_head; 2423 int retval; 2424 int n_q_required; 2425 int disable_syn_offset_one_fix; 2426 int i; 2427 u_int32_t addr; 2428 u_int16_t sg_entry_cnt = 0; 2429 u_int16_t sg_entry_cnt_minus_one = 0; 2430 u_int8_t target_ix; 2431 u_int8_t tid_no; 2432 u_int8_t sdtr_data; 2433 u_int8_t extra_bytes; 2434 u_int8_t scsi_cmd; 2435 u_int32_t data_cnt; 2436 2437 2438 scsiq->q1.q_no = 0; 2439 if ((scsiq->q2.tag_code & ASC_TAG_FLAG_EXTRA_BYTES) == 0) 2440 scsiq->q1.extra_bytes = 0; 2441 2442 retval = ASC_BUSY; 2443 target_ix = scsiq->q2.target_ix; 2444 tid_no = ASC_TIX_TO_TID(target_ix); 2445 n_q_required = 1; 2446 2447 if (scsiq->cdbptr[0] == SCSICMD_RequestSense) 2448 if ((sc->init_sdtr & scsiq->q1.target_id) != 0) { 2449 sc->sdtr_done &= ~scsiq->q1.target_id; 2450 sdtr_data = ASC_GET_MCODE_INIT_SDTR_AT_ID(iot, ioh, tid_no); 2451 AscMsgOutSDTR(sc, sc->sdtr_period_tbl[(sdtr_data >> 4) & 2452 (sc->max_sdtr_index - 1)], 2453 sdtr_data & ASC_SYN_MAX_OFFSET); 2454 scsiq->q1.cntl |= (ASC_QC_MSG_OUT | ASC_QC_URGENT); 2455 } 2456 /* 2457 * if there is just one segment into S/G list then 2458 * map it as it was a single request, filling 2459 * data_addr and data_cnt of ASC_SCSIQ structure. 2460 */ 2461 if ((scsiq->q1.cntl & ASC_QC_SG_HEAD) != 0) { 2462 sg_entry_cnt = sg_head->entry_cnt; 2463 2464 if (sg_entry_cnt < 1) 2465 panic("AscExeScsiQueue: Queue with QC_SG_HEAD set but %d segs.", 2466 sg_entry_cnt); 2467 2468 if (sg_entry_cnt > ASC_MAX_SG_LIST) 2469 panic("AscExeScsiQueue: Queue with too many segs."); 2470 2471 if (sg_entry_cnt == 1) { 2472 scsiq->q1.data_addr = sg_head->sg_list[0].addr; 2473 scsiq->q1.data_cnt = sg_head->sg_list[0].bytes; 2474 scsiq->q1.cntl &= ~(ASC_QC_SG_HEAD | ASC_QC_SG_SWAP_QUEUE); 2475 } 2476 sg_entry_cnt_minus_one = sg_entry_cnt - 1; 2477 } 2478 scsi_cmd = scsiq->cdbptr[0]; 2479 disable_syn_offset_one_fix = FALSE; 2480 if ((sc->pci_fix_asyn_xfer & scsiq->q1.target_id) && 2481 !(sc->pci_fix_asyn_xfer_always & scsiq->q1.target_id)) { 2482 if (scsiq->q1.cntl & ASC_QC_SG_HEAD) { 2483 data_cnt = 0; 2484 for (i = 0; i < sg_entry_cnt; i++) 2485 data_cnt += sg_head->sg_list[i].bytes; 2486 } else { 2487 data_cnt = scsiq->q1.data_cnt; 2488 } 2489 2490 if (data_cnt != 0ul) { 2491 if (data_cnt < 512ul) { 2492 disable_syn_offset_one_fix = TRUE; 2493 } else { 2494 if (scsi_cmd == SCSICMD_Inquiry || 2495 scsi_cmd == SCSICMD_RequestSense || 2496 scsi_cmd == SCSICMD_ReadCapacity || 2497 scsi_cmd == SCSICMD_ReadTOC || 2498 scsi_cmd == SCSICMD_ModeSelect6 || 2499 scsi_cmd == SCSICMD_ModeSense6 || 2500 scsi_cmd == SCSICMD_ModeSelect10 || 2501 scsi_cmd == SCSICMD_ModeSense10) { 2502 disable_syn_offset_one_fix = TRUE; 2503 } 2504 } 2505 } 2506 } 2507 if (disable_syn_offset_one_fix) { 2508 scsiq->q2.tag_code &= ~M2_QTAG_MSG_SIMPLE; 2509 scsiq->q2.tag_code |= (ASC_TAG_FLAG_DISABLE_ASYN_USE_SYN_FIX | 2510 ASC_TAG_FLAG_DISABLE_DISCONNECT); 2511 } else { 2512 scsiq->q2.tag_code &= 0x23; 2513 } 2514 2515 if ((scsiq->q1.cntl & ASC_QC_SG_HEAD) != 0) { 2516 if (sc->bug_fix_cntl) { 2517 if (sc->bug_fix_cntl & ASC_BUG_FIX_IF_NOT_DWB) { 2518 if ((scsi_cmd == SCSICMD_Read6) || (scsi_cmd == SCSICMD_Read10)) { 2519 addr = sg_head->sg_list[sg_entry_cnt_minus_one].addr + 2520 sg_head->sg_list[sg_entry_cnt_minus_one].bytes; 2521 extra_bytes = addr & 0x0003; 2522 if ((extra_bytes != 0) && 2523 ((scsiq->q2.tag_code & ASC_TAG_FLAG_EXTRA_BYTES) == 0)) { 2524 scsiq->q2.tag_code |= ASC_TAG_FLAG_EXTRA_BYTES; 2525 scsiq->q1.extra_bytes = extra_bytes; 2526 sg_head->sg_list[sg_entry_cnt_minus_one].bytes -= 2527 extra_bytes; 2528 } 2529 } 2530 } 2531 } 2532 sg_head->entry_to_copy = sg_head->entry_cnt; 2533 n_q_required = AscSgListToQueue(sg_entry_cnt); 2534 if ((AscGetNumOfFreeQueue(sc, target_ix, n_q_required) >= n_q_required) 2535 || ((scsiq->q1.cntl & ASC_QC_URGENT) != 0)) { 2536 retval = AscSendScsiQueue(sc, scsiq, n_q_required); 2537 } 2538 } else { 2539 if (sc->bug_fix_cntl) { 2540 if (sc->bug_fix_cntl & ASC_BUG_FIX_IF_NOT_DWB) { 2541 if ((scsi_cmd == SCSICMD_Read6) || (scsi_cmd == SCSICMD_Read10)) { 2542 addr = scsiq->q1.data_addr + scsiq->q1.data_cnt; 2543 extra_bytes = addr & 0x0003; 2544 if ((extra_bytes != 0) && 2545 ((scsiq->q2.tag_code & ASC_TAG_FLAG_EXTRA_BYTES) == 0)) { 2546 if ((scsiq->q1.data_cnt & 0x01FF) == 0) { 2547 scsiq->q2.tag_code |= ASC_TAG_FLAG_EXTRA_BYTES; 2548 scsiq->q1.data_cnt -= extra_bytes; 2549 scsiq->q1.extra_bytes = extra_bytes; 2550 } 2551 } 2552 } 2553 } 2554 } 2555 n_q_required = 1; 2556 if ((AscGetNumOfFreeQueue(sc, target_ix, 1) >= 1) || 2557 ((scsiq->q1.cntl & ASC_QC_URGENT) != 0)) { 2558 retval = AscSendScsiQueue(sc, scsiq, n_q_required); 2559 } 2560 } 2561 2562 return (retval); 2563 } 2564 2565 2566 static int 2567 AscSendScsiQueue(sc, scsiq, n_q_required) 2568 ASC_SOFTC *sc; 2569 ASC_SCSI_Q *scsiq; 2570 u_int8_t n_q_required; 2571 { 2572 bus_space_tag_t iot = sc->sc_iot; 2573 bus_space_handle_t ioh = sc->sc_ioh; 2574 u_int8_t free_q_head; 2575 u_int8_t next_qp; 2576 u_int8_t tid_no; 2577 u_int8_t target_ix; 2578 int retval; 2579 2580 2581 target_ix = scsiq->q2.target_ix; 2582 tid_no = ASC_TIX_TO_TID(target_ix); 2583 retval = ASC_BUSY; 2584 free_q_head = ASC_GET_VAR_FREE_QHEAD(iot, ioh); 2585 2586 if ((next_qp = AscAllocMultipleFreeQueue(iot, ioh, free_q_head, n_q_required)) 2587 != ASC_QLINK_END) { 2588 if (n_q_required > 1) { 2589 sc->last_q_shortage = 0; 2590 scsiq->sg_head->queue_cnt = n_q_required - 1; 2591 } 2592 scsiq->q1.q_no = free_q_head; 2593 2594 if ((retval = AscPutReadySgListQueue(sc, scsiq, free_q_head)) == ASC_NOERROR) { 2595 ASC_PUT_VAR_FREE_QHEAD(iot, ioh, next_qp); 2596 sc->cur_total_qng += n_q_required; 2597 sc->cur_dvc_qng[tid_no]++; 2598 } 2599 } 2600 return (retval); 2601 } 2602 2603 2604 static int 2605 AscPutReadySgListQueue(sc, scsiq, q_no) 2606 ASC_SOFTC *sc; 2607 ASC_SCSI_Q *scsiq; 2608 u_int8_t q_no; 2609 { 2610 bus_space_tag_t iot = sc->sc_iot; 2611 bus_space_handle_t ioh = sc->sc_ioh; 2612 int retval; 2613 int i; 2614 ASC_SG_HEAD *sg_head; 2615 ASC_SG_LIST_Q scsi_sg_q; 2616 u_int32_t saved_data_addr; 2617 u_int32_t saved_data_cnt; 2618 u_int16_t sg_list_dwords; 2619 u_int16_t sg_index; 2620 u_int16_t sg_entry_cnt; 2621 u_int16_t q_addr; 2622 u_int8_t next_qp; 2623 2624 2625 saved_data_addr = scsiq->q1.data_addr; 2626 saved_data_cnt = scsiq->q1.data_cnt; 2627 2628 if ((sg_head = scsiq->sg_head) != 0) { 2629 scsiq->q1.data_addr = sg_head->sg_list[0].addr; 2630 scsiq->q1.data_cnt = sg_head->sg_list[0].bytes; 2631 sg_entry_cnt = sg_head->entry_cnt - 1; 2632 if (sg_entry_cnt != 0) { 2633 q_addr = ASC_QNO_TO_QADDR(q_no); 2634 sg_index = 1; 2635 scsiq->q1.sg_queue_cnt = sg_head->queue_cnt; 2636 scsi_sg_q.sg_head_qp = q_no; 2637 scsi_sg_q.cntl = ASC_QCSG_SG_XFER_LIST; 2638 2639 for (i = 0; i < sg_head->queue_cnt; i++) { 2640 scsi_sg_q.seq_no = i + 1; 2641 if (sg_entry_cnt > ASC_SG_LIST_PER_Q) { 2642 sg_list_dwords = ASC_SG_LIST_PER_Q * 2; 2643 sg_entry_cnt -= ASC_SG_LIST_PER_Q; 2644 if (i == 0) { 2645 scsi_sg_q.sg_list_cnt = ASC_SG_LIST_PER_Q; 2646 scsi_sg_q.sg_cur_list_cnt = ASC_SG_LIST_PER_Q; 2647 } else { 2648 scsi_sg_q.sg_list_cnt = ASC_SG_LIST_PER_Q - 1; 2649 scsi_sg_q.sg_cur_list_cnt = ASC_SG_LIST_PER_Q - 1; 2650 } 2651 } else { 2652 scsi_sg_q.cntl |= ASC_QCSG_SG_XFER_END; 2653 sg_list_dwords = sg_entry_cnt << 1; 2654 if (i == 0) { 2655 scsi_sg_q.sg_list_cnt = sg_entry_cnt; 2656 scsi_sg_q.sg_cur_list_cnt = sg_entry_cnt; 2657 } else { 2658 scsi_sg_q.sg_list_cnt = sg_entry_cnt - 1; 2659 scsi_sg_q.sg_cur_list_cnt = sg_entry_cnt - 1; 2660 } 2661 2662 sg_entry_cnt = 0; 2663 } 2664 2665 next_qp = AscReadLramByte(iot, ioh, q_addr + ASC_SCSIQ_B_FWD); 2666 scsi_sg_q.q_no = next_qp; 2667 q_addr = ASC_QNO_TO_QADDR(next_qp); 2668 2669 /* 2670 * Tell the board how many entries are in the S/G list 2671 */ 2672 AscMemWordCopyToLram(iot, ioh, q_addr + ASC_SCSIQ_SGHD_CPY_BEG, 2673 (u_int16_t *) & scsi_sg_q, 2674 sizeof(ASC_SG_LIST_Q) >> 1); 2675 /* 2676 * Tell the board the addresses of the S/G list segments 2677 */ 2678 AscMemDWordCopyToLram(iot, ioh, q_addr + ASC_SGQ_LIST_BEG, 2679 (u_int32_t *) & sg_head->sg_list[sg_index], 2680 sg_list_dwords); 2681 sg_index += ASC_SG_LIST_PER_Q; 2682 } 2683 } 2684 } 2685 retval = AscPutReadyQueue(sc, scsiq, q_no); 2686 scsiq->q1.data_addr = saved_data_addr; 2687 scsiq->q1.data_cnt = saved_data_cnt; 2688 return (retval); 2689 } 2690 2691 2692 static int 2693 AscPutReadyQueue(sc, scsiq, q_no) 2694 ASC_SOFTC *sc; 2695 ASC_SCSI_Q *scsiq; 2696 u_int8_t q_no; 2697 { 2698 bus_space_tag_t iot = sc->sc_iot; 2699 bus_space_handle_t ioh = sc->sc_ioh; 2700 u_int16_t q_addr; 2701 u_int8_t tid_no; 2702 u_int8_t sdtr_data; 2703 u_int8_t syn_period_ix; 2704 u_int8_t syn_offset; 2705 2706 2707 if (((sc->init_sdtr & scsiq->q1.target_id) != 0) && 2708 ((sc->sdtr_done & scsiq->q1.target_id) == 0)) { 2709 tid_no = ASC_TIX_TO_TID(scsiq->q2.target_ix); 2710 sdtr_data = ASC_GET_MCODE_INIT_SDTR_AT_ID(iot, ioh, tid_no); 2711 syn_period_ix = (sdtr_data >> 4) & (sc->max_sdtr_index - 1); 2712 syn_offset = sdtr_data & ASC_SYN_MAX_OFFSET; 2713 AscMsgOutSDTR(sc, sc->sdtr_period_tbl[syn_period_ix], syn_offset); 2714 scsiq->q1.cntl |= ASC_QC_MSG_OUT; 2715 } 2716 q_addr = ASC_QNO_TO_QADDR(q_no); 2717 2718 if ((scsiq->q1.target_id & sc->use_tagged_qng) == 0) { 2719 scsiq->q2.tag_code &= ~M2_QTAG_MSG_SIMPLE; 2720 } 2721 scsiq->q1.status = ASC_QS_FREE; 2722 AscMemWordCopyToLram(iot, ioh, q_addr + ASC_SCSIQ_CDB_BEG, 2723 (u_int16_t *) scsiq->cdbptr, scsiq->q2.cdb_len >> 1); 2724 2725 AscPutSCSIQ(iot, ioh, q_addr + ASC_SCSIQ_CPY_BEG, scsiq); 2726 2727 /* 2728 * Let's start the command 2729 */ 2730 AscWriteLramWord(iot, ioh, q_addr + ASC_SCSIQ_B_STATUS, 2731 (scsiq->q1.q_no << 8) | ASC_QS_READY); 2732 2733 return (ASC_NOERROR); 2734 } 2735 2736 2737 static void 2738 AscPutSCSIQ(iot, ioh, addr, scsiq) 2739 bus_space_tag_t iot; 2740 bus_space_handle_t ioh; 2741 u_int16_t addr; 2742 ASC_SCSI_Q *scsiq; 2743 { 2744 u_int16_t val; 2745 2746 2747 ASC_SET_CHIP_LRAM_ADDR(iot, ioh, addr); 2748 2749 /* ASC_SCSIQ_1 */ 2750 val = MAKEWORD(scsiq->q1.cntl, scsiq->q1.sg_queue_cnt); 2751 ASC_SET_CHIP_LRAM_DATA(iot, ioh, val); 2752 val = MAKEWORD(scsiq->q1.target_id, scsiq->q1.target_lun); 2753 ASC_SET_CHIP_LRAM_DATA(iot, ioh, val); 2754 val = LO_WORD(scsiq->q1.data_addr); 2755 ASC_SET_CHIP_LRAM_DATA(iot, ioh, val); 2756 val = HI_WORD(scsiq->q1.data_addr); 2757 ASC_SET_CHIP_LRAM_DATA(iot, ioh, val); 2758 val = LO_WORD(scsiq->q1.data_cnt); 2759 ASC_SET_CHIP_LRAM_DATA(iot, ioh, val); 2760 val = HI_WORD(scsiq->q1.data_cnt); 2761 ASC_SET_CHIP_LRAM_DATA(iot, ioh, val); 2762 val = LO_WORD(scsiq->q1.sense_addr); 2763 ASC_SET_CHIP_LRAM_DATA(iot, ioh, val); 2764 val = HI_WORD(scsiq->q1.sense_addr); 2765 ASC_SET_CHIP_LRAM_DATA(iot, ioh, val); 2766 val = MAKEWORD(scsiq->q1.sense_len, scsiq->q1.extra_bytes); 2767 ASC_SET_CHIP_LRAM_DATA(iot, ioh, val); 2768 2769 /* ASC_SCSIQ_2 */ 2770 val = LO_WORD(scsiq->q2.ccb_ptr); 2771 ASC_SET_CHIP_LRAM_DATA(iot, ioh, val); 2772 val = HI_WORD(scsiq->q2.ccb_ptr); 2773 ASC_SET_CHIP_LRAM_DATA(iot, ioh, val); 2774 val = MAKEWORD(scsiq->q2.target_ix, scsiq->q2.flag); 2775 ASC_SET_CHIP_LRAM_DATA(iot, ioh, val); 2776 val = MAKEWORD(scsiq->q2.cdb_len, scsiq->q2.tag_code); 2777 ASC_SET_CHIP_LRAM_DATA(iot, ioh, val); 2778 ASC_SET_CHIP_LRAM_DATA(iot, ioh, scsiq->q2.vm_id); 2779 } 2780 2781 2782 static int 2783 AscSgListToQueue(sg_list) 2784 int sg_list; 2785 { 2786 int n_sg_list_qs; 2787 2788 n_sg_list_qs = ((sg_list - 1) / ASC_SG_LIST_PER_Q); 2789 if (((sg_list - 1) % ASC_SG_LIST_PER_Q) != 0) 2790 n_sg_list_qs++; 2791 2792 return (n_sg_list_qs + 1); 2793 } 2794 2795 2796 static u_int 2797 AscGetNumOfFreeQueue(sc, target_ix, n_qs) 2798 ASC_SOFTC *sc; 2799 u_int8_t target_ix; 2800 u_int8_t n_qs; 2801 { 2802 u_int cur_used_qs; 2803 u_int cur_free_qs; 2804 2805 2806 if (n_qs == 1) { 2807 cur_used_qs = sc->cur_total_qng + 2808 sc->last_q_shortage + 2809 ASC_MIN_FREE_Q; 2810 } else { 2811 cur_used_qs = sc->cur_total_qng + ASC_MIN_FREE_Q; 2812 } 2813 2814 if ((cur_used_qs + n_qs) <= sc->max_total_qng) { 2815 cur_free_qs = sc->max_total_qng - cur_used_qs; 2816 return (cur_free_qs); 2817 } 2818 if (n_qs > 1) 2819 if ((n_qs > sc->last_q_shortage) && 2820 (n_qs <= (sc->max_total_qng - ASC_MIN_FREE_Q))) { 2821 sc->last_q_shortage = n_qs; 2822 } 2823 return (0); 2824 } 2825 2826 2827 static u_int8_t 2828 AscAllocFreeQueue(iot, ioh, free_q_head) 2829 bus_space_tag_t iot; 2830 bus_space_handle_t ioh; 2831 u_int8_t free_q_head; 2832 { 2833 u_int16_t q_addr; 2834 u_int8_t next_qp; 2835 u_int8_t q_status; 2836 2837 2838 q_addr = ASC_QNO_TO_QADDR(free_q_head); 2839 q_status = AscReadLramByte(iot, ioh, q_addr + ASC_SCSIQ_B_STATUS); 2840 next_qp = AscReadLramByte(iot, ioh, q_addr + ASC_SCSIQ_B_FWD); 2841 if (((q_status & ASC_QS_READY) == 0) && (next_qp != ASC_QLINK_END)) 2842 return (next_qp); 2843 2844 return (ASC_QLINK_END); 2845 } 2846 2847 2848 static u_int8_t 2849 AscAllocMultipleFreeQueue(iot, ioh, free_q_head, n_free_q) 2850 bus_space_tag_t iot; 2851 bus_space_handle_t ioh; 2852 u_int8_t free_q_head; 2853 u_int8_t n_free_q; 2854 { 2855 u_int8_t i; 2856 2857 for (i = 0; i < n_free_q; i++) { 2858 free_q_head = AscAllocFreeQueue(iot, ioh, free_q_head); 2859 if (free_q_head == ASC_QLINK_END) 2860 break; 2861 } 2862 2863 return (free_q_head); 2864 } 2865 2866 2867 static int 2868 AscStopQueueExe(iot, ioh) 2869 bus_space_tag_t iot; 2870 bus_space_handle_t ioh; 2871 { 2872 int count = 0; 2873 2874 if (AscReadLramByte(iot, ioh, ASCV_STOP_CODE_B) == 0) { 2875 AscWriteLramByte(iot, ioh, ASCV_STOP_CODE_B, ASC_STOP_REQ_RISC_STOP); 2876 do { 2877 if (AscReadLramByte(iot, ioh, ASCV_STOP_CODE_B) & 2878 ASC_STOP_ACK_RISC_STOP) 2879 return (1); 2880 2881 DvcSleepMilliSecond(100); 2882 } while (count++ < 20); 2883 } 2884 return (0); 2885 } 2886 2887 2888 static void 2889 AscStartQueueExe(iot, ioh) 2890 bus_space_tag_t iot; 2891 bus_space_handle_t ioh; 2892 { 2893 2894 if (AscReadLramByte(iot, ioh, ASCV_STOP_CODE_B) != 0) 2895 AscWriteLramByte(iot, ioh, ASCV_STOP_CODE_B, 0); 2896 } 2897 2898 2899 static void 2900 AscCleanUpBusyQueue(iot, ioh) 2901 bus_space_tag_t iot; 2902 bus_space_handle_t ioh; 2903 { 2904 int count = 0; 2905 u_int8_t stop_code; 2906 2907 2908 if (AscReadLramByte(iot, ioh, ASCV_STOP_CODE_B) != 0) { 2909 AscWriteLramByte(iot, ioh, ASCV_STOP_CODE_B, ASC_STOP_CLEAN_UP_BUSY_Q); 2910 do { 2911 stop_code = AscReadLramByte(iot, ioh, ASCV_STOP_CODE_B); 2912 if ((stop_code & ASC_STOP_CLEAN_UP_BUSY_Q) == 0) 2913 break; 2914 2915 DvcSleepMilliSecond(100); 2916 } while (count++ < 20); 2917 } 2918 } 2919 2920 2921 static int 2922 _AscWaitQDone(iot, ioh, scsiq) 2923 bus_space_tag_t iot; 2924 bus_space_handle_t ioh; 2925 ASC_SCSI_Q *scsiq; 2926 { 2927 u_int16_t q_addr; 2928 u_int8_t q_status; 2929 int count = 0; 2930 2931 while (scsiq->q1.q_no == 0); 2932 2933 q_addr = ASC_QNO_TO_QADDR(scsiq->q1.q_no); 2934 do { 2935 q_status = AscReadLramByte(iot, ioh, q_addr + ASC_SCSIQ_B_STATUS); 2936 DvcSleepMilliSecond(100L); 2937 if (count++ > 30) 2938 return (0); 2939 2940 } while ((q_status & ASC_QS_READY) != 0); 2941 2942 return (1); 2943 } 2944 2945 2946 static int 2947 AscCleanUpDiscQueue(iot, ioh) 2948 bus_space_tag_t iot; 2949 bus_space_handle_t ioh; 2950 { 2951 int count; 2952 u_int8_t stop_code; 2953 2954 count = 0; 2955 if (AscReadLramByte(iot, ioh, ASCV_STOP_CODE_B) != 0) { 2956 AscWriteLramByte(iot, ioh, ASCV_STOP_CODE_B, ASC_STOP_CLEAN_UP_DISC_Q); 2957 do { 2958 stop_code = AscReadLramByte(iot, ioh, ASCV_STOP_CODE_B); 2959 if ((stop_code & ASC_STOP_CLEAN_UP_DISC_Q) == 0) 2960 break; 2961 2962 DvcSleepMilliSecond(100); 2963 } while (count++ < 20); 2964 } 2965 return (1); 2966 } 2967 2968 2969 /******************************************************************************/ 2970 /* Abort and Reset CCB routines */ 2971 /******************************************************************************/ 2972 2973 2974 int 2975 AscAbortCCB(sc, ccb) 2976 ASC_SOFTC *sc; 2977 ADV_CCB *ccb; 2978 { 2979 bus_space_tag_t iot = sc->sc_iot; 2980 bus_space_handle_t ioh = sc->sc_ioh; 2981 int retval; 2982 ASC_SCSI_BIT_ID_TYPE saved_unit_not_ready; 2983 2984 2985 retval = -1; 2986 saved_unit_not_ready = sc->unit_not_ready; 2987 sc->unit_not_ready = 0xFF; 2988 AscWaitISRDone(sc); 2989 if (AscStopQueueExe(iot, ioh) == 1) { 2990 if (AscRiscHaltedAbortCCB(sc, ccb) == 1) { 2991 retval = 1; 2992 AscCleanUpBusyQueue(iot, ioh); 2993 AscStartQueueExe(iot, ioh); 2994 } else { 2995 retval = 0; 2996 AscStartQueueExe(iot, ioh); 2997 } 2998 } 2999 sc->unit_not_ready = saved_unit_not_ready; 3000 3001 return (retval); 3002 } 3003 3004 3005 static int 3006 AscRiscHaltedAbortCCB(sc, ccb) 3007 ASC_SOFTC *sc; 3008 ADV_CCB *ccb; 3009 { 3010 bus_space_tag_t iot = sc->sc_iot; 3011 bus_space_handle_t ioh = sc->sc_ioh; 3012 u_int16_t q_addr; 3013 u_int8_t q_no; 3014 ASC_QDONE_INFO scsiq_buf; 3015 ASC_QDONE_INFO *scsiq; 3016 ASC_ISR_CALLBACK asc_isr_callback; 3017 int last_int_level; 3018 3019 3020 asc_isr_callback = (ASC_ISR_CALLBACK) sc->isr_callback; 3021 last_int_level = DvcEnterCritical(); 3022 scsiq = (ASC_QDONE_INFO *) & scsiq_buf; 3023 3024 for (q_no = ASC_MIN_ACTIVE_QNO; q_no <= sc->max_total_qng; q_no++) { 3025 q_addr = ASC_QNO_TO_QADDR(q_no); 3026 scsiq->d2.ccb_ptr = AscReadLramDWord(iot, ioh, 3027 q_addr + ASC_SCSIQ_D_CCBPTR); 3028 if (adv_ccb_phys_kv(sc, scsiq->d2.ccb_ptr) == ccb) { 3029 _AscCopyLramScsiDoneQ(iot, ioh, q_addr, scsiq, sc->max_dma_count); 3030 if (((scsiq->q_status & ASC_QS_READY) != 0) 3031 && ((scsiq->q_status & ASC_QS_ABORTED) == 0) 3032 && ((scsiq->cntl & ASC_QCSG_SG_XFER_LIST) == 0)) { 3033 scsiq->q_status |= ASC_QS_ABORTED; 3034 scsiq->d3.done_stat = ASC_QD_ABORTED_BY_HOST; 3035 AscWriteLramDWord(iot, ioh, q_addr + ASC_SCSIQ_D_CCBPTR, 0L); 3036 AscWriteLramByte(iot, ioh, q_addr + ASC_SCSIQ_B_STATUS, 3037 scsiq->q_status); 3038 (*asc_isr_callback) (sc, scsiq); 3039 return (1); 3040 } 3041 } 3042 } 3043 3044 DvcLeaveCritical(last_int_level); 3045 return (0); 3046 } 3047 3048 3049 static int 3050 AscRiscHaltedAbortTIX(sc, target_ix) 3051 ASC_SOFTC *sc; 3052 u_int8_t target_ix; 3053 { 3054 bus_space_tag_t iot = sc->sc_iot; 3055 bus_space_handle_t ioh = sc->sc_ioh; 3056 u_int16_t q_addr; 3057 u_int8_t q_no; 3058 ASC_QDONE_INFO scsiq_buf; 3059 ASC_QDONE_INFO *scsiq; 3060 ASC_ISR_CALLBACK asc_isr_callback; 3061 int last_int_level; 3062 3063 3064 asc_isr_callback = (ASC_ISR_CALLBACK) sc->isr_callback; 3065 last_int_level = DvcEnterCritical(); 3066 scsiq = (ASC_QDONE_INFO *) & scsiq_buf; 3067 for (q_no = ASC_MIN_ACTIVE_QNO; q_no <= sc->max_total_qng; q_no++) { 3068 q_addr = ASC_QNO_TO_QADDR(q_no); 3069 _AscCopyLramScsiDoneQ(iot, ioh, q_addr, scsiq, sc->max_dma_count); 3070 if (((scsiq->q_status & ASC_QS_READY) != 0) && 3071 ((scsiq->q_status & ASC_QS_ABORTED) == 0) && 3072 ((scsiq->cntl & ASC_QCSG_SG_XFER_LIST) == 0)) { 3073 if (scsiq->d2.target_ix == target_ix) { 3074 scsiq->q_status |= ASC_QS_ABORTED; 3075 scsiq->d3.done_stat = ASC_QD_ABORTED_BY_HOST; 3076 AscWriteLramDWord(iot, ioh, q_addr + ASC_SCSIQ_D_CCBPTR, 0L); 3077 AscWriteLramByte(iot, ioh, q_addr + ASC_SCSIQ_B_STATUS, 3078 scsiq->q_status); 3079 (*asc_isr_callback) (sc, scsiq); 3080 } 3081 } 3082 } 3083 DvcLeaveCritical(last_int_level); 3084 return (1); 3085 } 3086 3087 3088 /* 3089 * AscResetDevice calls _AscWaitQDone which requires interrupt enabled, 3090 * so we cannot use this function with the actual NetBSD SCSI layer 3091 * because at boot time interrupts are disabled. 3092 */ 3093 int 3094 AscResetDevice(sc, target_ix) 3095 ASC_SOFTC *sc; 3096 u_char target_ix; 3097 { 3098 bus_space_tag_t iot = sc->sc_iot; 3099 bus_space_handle_t ioh = sc->sc_ioh; 3100 int retval; 3101 u_int8_t tid_no; 3102 ASC_SCSI_BIT_ID_TYPE target_id; 3103 int i; 3104 ASC_SCSI_REQ_Q scsiq_buf; 3105 ASC_SCSI_REQ_Q *scsiq; 3106 u_int8_t *buf; 3107 ASC_SCSI_BIT_ID_TYPE saved_unit_not_ready; 3108 3109 3110 tid_no = ASC_TIX_TO_TID(target_ix); 3111 target_id = ASC_TID_TO_TARGET_ID(tid_no); 3112 saved_unit_not_ready = sc->unit_not_ready; 3113 sc->unit_not_ready = target_id; 3114 retval = ASC_ERROR; 3115 3116 AscWaitTixISRDone(sc, target_ix); 3117 3118 if (AscStopQueueExe(iot, ioh) == 1) { 3119 if (AscRiscHaltedAbortTIX(sc, target_ix) == 1) { 3120 AscCleanUpBusyQueue(iot, ioh); 3121 AscStartQueueExe(iot, ioh); 3122 AscWaitTixISRDone(sc, target_ix); 3123 retval = ASC_NOERROR; 3124 scsiq = (ASC_SCSI_REQ_Q *) & scsiq_buf; 3125 buf = (u_char *) & scsiq_buf; 3126 for (i = 0; i < sizeof(ASC_SCSI_REQ_Q); i++) 3127 *buf++ = 0x00; 3128 scsiq->q1.status = (u_char) ASC_QS_READY; 3129 scsiq->q2.cdb_len = 6; 3130 scsiq->q2.tag_code = M2_QTAG_MSG_SIMPLE; 3131 scsiq->q1.target_id = target_id; 3132 scsiq->q2.target_ix = ASC_TIDLUN_TO_IX(tid_no, 0); 3133 scsiq->cdbptr = scsiq->cdb; 3134 scsiq->q1.cntl = ASC_QC_NO_CALLBACK | ASC_QC_MSG_OUT | ASC_QC_URGENT; 3135 AscWriteLramByte(iot, ioh, ASCV_MSGOUT_BEG, M1_BUS_DVC_RESET); 3136 sc->unit_not_ready &= ~target_id; 3137 sc->sdtr_done |= target_id; 3138 if (AscExeScsiQueue(sc, (ASC_SCSI_Q *) scsiq) == ASC_NOERROR) { 3139 sc->unit_not_ready = target_id; 3140 DvcSleepMilliSecond(1000); 3141 _AscWaitQDone(iot, ioh, (ASC_SCSI_Q *) scsiq); 3142 if (AscStopQueueExe(iot, ioh) == ASC_NOERROR) { 3143 AscCleanUpDiscQueue(iot, ioh); 3144 AscStartQueueExe(iot, ioh); 3145 if (sc->pci_fix_asyn_xfer & target_id) 3146 AscSetRunChipSynRegAtID(iot, ioh, tid_no, 3147 ASYN_SDTR_DATA_FIX_PCI_REV_AB); 3148 AscWaitTixISRDone(sc, target_ix); 3149 } 3150 } else 3151 retval = ASC_BUSY; 3152 sc->sdtr_done &= ~target_id; 3153 } else { 3154 retval = ASC_ERROR; 3155 AscStartQueueExe(iot, ioh); 3156 } 3157 } 3158 sc->unit_not_ready = saved_unit_not_ready; 3159 return (retval); 3160 } 3161 3162 3163 int 3164 AscResetBus(sc) 3165 ASC_SOFTC *sc; 3166 { 3167 bus_space_tag_t iot = sc->sc_iot; 3168 bus_space_handle_t ioh = sc->sc_ioh; 3169 int retval; 3170 int i; 3171 3172 3173 sc->unit_not_ready = 0xFF; 3174 retval = ASC_NOERROR; 3175 3176 AscWaitISRDone(sc); 3177 AscStopQueueExe(iot, ioh); 3178 sc->sdtr_done = 0; 3179 AscResetChipAndScsiBus(iot, ioh); 3180 DvcSleepMilliSecond((u_long) ((u_int16_t) sc->scsi_reset_wait * 1000)); 3181 AscReInitLram(sc); 3182 for (i = 0; i <= ASC_MAX_TID; i++) { 3183 sc->cur_dvc_qng[i] = 0; 3184 if (sc->pci_fix_asyn_xfer & (ASC_SCSI_BIT_ID_TYPE) (0x01 << i)) 3185 AscSetChipSynRegAtID(iot, ioh, i, ASYN_SDTR_DATA_FIX_PCI_REV_AB); 3186 } 3187 3188 ASC_SET_PC_ADDR(iot, ioh, ASC_MCODE_START_ADDR); 3189 if (ASC_GET_PC_ADDR(iot, ioh) != ASC_MCODE_START_ADDR) 3190 retval = ASC_ERROR; 3191 3192 if (AscStartChip(iot, ioh) == 0) 3193 retval = ASC_ERROR; 3194 3195 AscStartQueueExe(iot, ioh); 3196 sc->unit_not_ready = 0; 3197 sc->queue_full_or_busy = 0; 3198 return (retval); 3199 } 3200 3201 3202 /******************************************************************************/ 3203 /* Error Handling routines */ 3204 /******************************************************************************/ 3205 3206 3207 static int 3208 AscSetLibErrorCode(sc, err_code) 3209 ASC_SOFTC *sc; 3210 u_int16_t err_code; 3211 { 3212 /* 3213 * if(sc->err_code == 0) { sc->err_code = err_code; 3214 */ AscWriteLramWord(sc->sc_iot, sc->sc_ioh, ASCV_ASCDVC_ERR_CODE_W, 3215 err_code); 3216 /* 3217 * } 3218 */ 3219 return (err_code); 3220 } 3221 3222 3223 /******************************************************************************/ 3224 /* Handle bugged borads routines */ 3225 /******************************************************************************/ 3226 3227 3228 void 3229 AscInquiryHandling(sc, tid_no, inq) 3230 ASC_SOFTC *sc; 3231 u_int8_t tid_no; 3232 ASC_SCSI_INQUIRY *inq; 3233 { 3234 bus_space_tag_t iot = sc->sc_iot; 3235 bus_space_handle_t ioh = sc->sc_ioh; 3236 ASC_SCSI_BIT_ID_TYPE tid_bit = ASC_TIX_TO_TARGET_ID(tid_no); 3237 ASC_SCSI_BIT_ID_TYPE orig_init_sdtr, orig_use_tagged_qng; 3238 3239 3240 orig_init_sdtr = sc->init_sdtr; 3241 orig_use_tagged_qng = sc->use_tagged_qng; 3242 3243 sc->init_sdtr &= ~tid_bit; 3244 sc->can_tagged_qng &= ~tid_bit; 3245 sc->use_tagged_qng &= ~tid_bit; 3246 3247 if (inq->byte3.rsp_data_fmt >= 2 || inq->byte2.ansi_apr_ver >= 2) { 3248 if ((sc->sdtr_enable & tid_bit) && inq->byte7.Sync) 3249 sc->init_sdtr |= tid_bit; 3250 3251 if ((sc->cmd_qng_enabled & tid_bit) && inq->byte7.CmdQue) 3252 if (AscTagQueuingSafe(inq)) { 3253 sc->use_tagged_qng |= tid_bit; 3254 sc->can_tagged_qng |= tid_bit; 3255 } 3256 } 3257 if (orig_use_tagged_qng != sc->use_tagged_qng) { 3258 AscWriteLramByte(iot, ioh, ASCV_DISC_ENABLE_B, 3259 sc->disc_enable); 3260 AscWriteLramByte(iot, ioh, ASCV_USE_TAGGED_QNG_B, 3261 sc->use_tagged_qng); 3262 AscWriteLramByte(iot, ioh, ASCV_CAN_TAGGED_QNG_B, 3263 sc->can_tagged_qng); 3264 3265 sc->max_dvc_qng[tid_no] = 3266 sc->max_tag_qng[tid_no]; 3267 AscWriteLramByte(iot, ioh, ASCV_MAX_DVC_QNG_BEG + tid_no, 3268 sc->max_dvc_qng[tid_no]); 3269 } 3270 if (orig_init_sdtr != sc->init_sdtr) 3271 AscAsyncFix(sc, tid_no, inq); 3272 } 3273 3274 3275 static int 3276 AscTagQueuingSafe(inq) 3277 ASC_SCSI_INQUIRY *inq; 3278 { 3279 if ((inq->add_len >= 32) && 3280 (AscCompareString(inq->vendor_id, "QUANTUM XP34301", 15) == 0) && 3281 (AscCompareString(inq->product_rev_level, "1071", 4) == 0)) { 3282 return 0; 3283 } 3284 return 1; 3285 } 3286 3287 3288 static void 3289 AscAsyncFix(sc, tid_no, inq) 3290 ASC_SOFTC *sc; 3291 u_int8_t tid_no; 3292 ASC_SCSI_INQUIRY *inq; 3293 { 3294 u_int8_t dvc_type; 3295 ASC_SCSI_BIT_ID_TYPE tid_bits; 3296 3297 3298 dvc_type = inq->byte0.peri_dvc_type; 3299 tid_bits = ASC_TIX_TO_TARGET_ID(tid_no); 3300 3301 if (sc->bug_fix_cntl & ASC_BUG_FIX_ASYN_USE_SYN) { 3302 if (!(sc->init_sdtr & tid_bits)) { 3303 if ((dvc_type == SCSI_TYPE_CDROM) && 3304 (AscCompareString(inq->vendor_id, "HP ", 3) == 0)) { 3305 sc->pci_fix_asyn_xfer_always |= tid_bits; 3306 } 3307 sc->pci_fix_asyn_xfer |= tid_bits; 3308 if ((dvc_type == SCSI_TYPE_PROC) || 3309 (dvc_type == SCSI_TYPE_SCANNER)) { 3310 sc->pci_fix_asyn_xfer &= ~tid_bits; 3311 } 3312 if ((dvc_type == SCSI_TYPE_SASD) && 3313 (AscCompareString(inq->vendor_id, "TANDBERG", 8) == 0) && 3314 (AscCompareString(inq->product_id, " TDC 36", 7) == 0)) { 3315 sc->pci_fix_asyn_xfer &= ~tid_bits; 3316 } 3317 if ((dvc_type == SCSI_TYPE_SASD) && 3318 (AscCompareString(inq->vendor_id, "WANGTEK ", 8) == 0)) { 3319 sc->pci_fix_asyn_xfer &= ~tid_bits; 3320 } 3321 if ((dvc_type == SCSI_TYPE_CDROM) && 3322 (AscCompareString(inq->vendor_id, "NEC ", 8) == 0) && 3323 (AscCompareString(inq->product_id, "CD-ROM DRIVE ", 16) == 0)) { 3324 sc->pci_fix_asyn_xfer &= ~tid_bits; 3325 } 3326 if ((dvc_type == SCSI_TYPE_CDROM) && 3327 (AscCompareString(inq->vendor_id, "YAMAHA", 6) == 0) && 3328 (AscCompareString(inq->product_id, "CDR400", 6) == 0)) { 3329 sc->pci_fix_asyn_xfer &= ~tid_bits; 3330 } 3331 if (sc->pci_fix_asyn_xfer & tid_bits) { 3332 AscSetRunChipSynRegAtID(sc->sc_iot, sc->sc_ioh, tid_no, 3333 ASYN_SDTR_DATA_FIX_PCI_REV_AB); 3334 } 3335 } 3336 } 3337 } 3338 3339 3340 /******************************************************************************/ 3341 /* Miscellaneous routines */ 3342 /******************************************************************************/ 3343 3344 3345 static int 3346 AscCompareString(str1, str2, len) 3347 u_char *str1; 3348 u_char *str2; 3349 int len; 3350 { 3351 int i; 3352 int diff; 3353 3354 for (i = 0; i < len; i++) { 3355 diff = (int) (str1[i] - str2[i]); 3356 if (diff != 0) 3357 return (diff); 3358 } 3359 3360 return (0); 3361 } 3362 3363 3364 /******************************************************************************/ 3365 /* Device oriented routines */ 3366 /******************************************************************************/ 3367 3368 3369 static int 3370 DvcEnterCritical(void) 3371 { 3372 int s; 3373 3374 s = splbio(); 3375 return (s); 3376 } 3377 3378 3379 static void 3380 DvcLeaveCritical(s) 3381 int s; 3382 { 3383 3384 splx(s); 3385 } 3386 3387 3388 static void 3389 DvcSleepMilliSecond(n) 3390 u_int32_t n; 3391 { 3392 3393 DELAY(n * 1000); 3394 } 3395 3396 #ifdef UNUSED 3397 static void 3398 DvcDelayMicroSecond(n) 3399 u_int32_t n; 3400 { 3401 3402 DELAY(n); 3403 } 3404 #endif 3405 3406 static void 3407 DvcDelayNanoSecond(n) 3408 u_int32_t n; 3409 { 3410 3411 DELAY((n + 999) / 1000); 3412 } 3413
Indexes created Thu Oct 02 10:09:58 GMT 2025