1 /************************************************************************/ 2 /* */ 3 /* dc395x.h */ 4 /* */ 5 /* Device Driver for Tekram DC395(U/UW/F), DC315(U) */ 6 /* PCI SCSI Bus Master Host Adapter */ 7 /* (SCSI chip set used Tekram ASIC TRM-S1040) */ 8 /* */ 9 /************************************************************************/ 10 #ifndef DC395x_H 11 #define DC395x_H 12 13 /************************************************************************/ 14 /* */ 15 /* Initial values */ 16 /* */ 17 /************************************************************************/ 18 #define DC395x_MAX_CMD_QUEUE 32 19 /* #define DC395x_MAX_QTAGS 32 */ 20 #define DC395x_MAX_QTAGS 16 21 #define DC395x_MAX_SCSI_ID 16 22 #define DC395x_MAX_CMD_PER_LUN DC395x_MAX_QTAGS 23 #define DC395x_MAX_SG_TABLESIZE 64 /* HW limitation */ 24 #define DC395x_MAX_SG_LISTENTRY 64 /* Must be equal or lower to previous */ 25 /* item */ 26 #define DC395x_MAX_SRB_CNT 63 27 /* #define DC395x_MAX_CAN_QUEUE 7 * DC395x_MAX_QTAGS */ 28 #define DC395x_MAX_CAN_QUEUE DC395x_MAX_SRB_CNT 29 #define DC395x_END_SCAN 2 30 #define DC395x_SEL_TIMEOUT 153 /* 250 ms selection timeout (@ 40 MHz) */ 31 #define DC395x_MAX_RETRIES 3 32 33 #if 0 34 #define SYNC_FIRST 35 #endif 36 37 #define NORM_REC_LVL 0 38 39 /************************************************************************/ 40 /* */ 41 /* Various definitions */ 42 /* */ 43 /************************************************************************/ 44 #define BIT31 0x80000000 45 #define BIT30 0x40000000 46 #define BIT29 0x20000000 47 #define BIT28 0x10000000 48 #define BIT27 0x08000000 49 #define BIT26 0x04000000 50 #define BIT25 0x02000000 51 #define BIT24 0x01000000 52 #define BIT23 0x00800000 53 #define BIT22 0x00400000 54 #define BIT21 0x00200000 55 #define BIT20 0x00100000 56 #define BIT19 0x00080000 57 #define BIT18 0x00040000 58 #define BIT17 0x00020000 59 #define BIT16 0x00010000 60 #define BIT15 0x00008000 61 #define BIT14 0x00004000 62 #define BIT13 0x00002000 63 #define BIT12 0x00001000 64 #define BIT11 0x00000800 65 #define BIT10 0x00000400 66 #define BIT9 0x00000200 67 #define BIT8 0x00000100 68 #define BIT7 0x00000080 69 #define BIT6 0x00000040 70 #define BIT5 0x00000020 71 #define BIT4 0x00000010 72 #define BIT3 0x00000008 73 #define BIT2 0x00000004 74 #define BIT1 0x00000002 75 #define BIT0 0x00000001 76 77 /* UnitCtrlFlag */ 78 #define UNIT_ALLOCATED BIT0 79 #define UNIT_INFO_CHANGED BIT1 80 #define FORMATING_MEDIA BIT2 81 #define UNIT_RETRY BIT3 82 83 /* UnitFlags */ 84 #define DASD_SUPPORT BIT0 85 #define SCSI_SUPPORT BIT1 86 #define ASPI_SUPPORT BIT2 87 88 /* SRBState machine definition */ 89 #define SRB_FREE 0x0000 90 #define SRB_WAIT 0x0001 91 #define SRB_READY 0x0002 92 #define SRB_MSGOUT 0x0004 /* arbitration+msg_out 1st byte */ 93 #define SRB_MSGIN 0x0008 94 #define SRB_EXTEND_MSGIN 0x0010 95 #define SRB_COMMAND 0x0020 96 #define SRB_START_ 0x0040 /* arbitration+msg_out+command_out */ 97 #define SRB_DISCONNECT 0x0080 98 #define SRB_DATA_XFER 0x0100 99 #define SRB_XFERPAD 0x0200 100 #define SRB_STATUS 0x0400 101 #define SRB_COMPLETED 0x0800 102 #define SRB_ABORT_SENT 0x1000 103 #define SRB_DO_SYNC_NEGO 0x2000 104 #define SRB_DO_WIDE_NEGO 0x4000 105 #define SRB_UNEXPECT_RESEL 0x8000 106 107 /************************************************************************/ 108 /* */ 109 /* ACB Config */ 110 /* */ 111 /************************************************************************/ 112 #define HCC_WIDE_CARD 0x20 113 #define HCC_SCSI_RESET 0x10 114 #define HCC_PARITY 0x08 115 #define HCC_AUTOTERM 0x04 116 #define HCC_LOW8TERM 0x02 117 #define HCC_UP8TERM 0x01 118 119 /* ACBFlag */ 120 #define RESET_DEV BIT0 121 #define RESET_DETECT BIT1 122 #define RESET_DONE BIT2 123 124 /* DCBFlag */ 125 #define ABORT_DEV_ BIT0 126 127 /* SRBstatus */ 128 #define SRB_OK BIT0 129 #define ABORTION BIT1 130 #define OVER_RUN BIT2 131 #define UNDER_RUN BIT3 132 #define PARITY_ERROR BIT4 133 #define SRB_ERROR BIT5 134 135 /* SRBFlag */ 136 #define DATAOUT BIT7 137 #define DATAIN BIT6 138 #define RESIDUAL_VALID BIT5 139 #define ENABLE_TIMER BIT4 140 #define RESET_DEV0 BIT2 141 #define ABORT_DEV BIT1 142 #define AUTO_REQSENSE BIT0 143 144 /* Adapter status */ 145 #define H_STATUS_GOOD 0 146 #define H_SEL_TIMEOUT 0x11 147 #define H_OVER_UNDER_RUN 0x12 148 #define H_UNEXP_BUS_FREE 0x13 149 #define H_TARGET_PHASE_F 0x14 150 #define H_INVALID_CCB_OP 0x16 151 #define H_LINK_CCB_BAD 0x17 152 #define H_BAD_TARGET_DIR 0x18 153 #define H_DUPLICATE_CCB 0x19 154 #define H_BAD_CCB_OR_SG 0x1A 155 #define H_ABORT 0x0FF 156 157 /* SCSI BUS Status byte codes */ 158 #define SCSI_STAT_GOOD 0x0 /* Good status */ 159 #define SCSI_STAT_CHECKCOND 0x02 /* SCSI Check Condition */ 160 #define SCSI_STAT_CONDMET 0x04 /* Condition Met */ 161 #define SCSI_STAT_BUSY 0x08 /* Target busy status */ 162 #define SCSI_STAT_INTER 0x10 /* Intermediate status */ 163 #define SCSI_STAT_INTERCONDMET 0x14 /* Intermediate condition met */ 164 #define SCSI_STAT_RESCONFLICT 0x18 /* Reservation conflict */ 165 #define SCSI_STAT_CMDTERM 0x22 /* Command Terminated */ 166 #define SCSI_STAT_QUEUEFULL 0x28 /* Queue Full */ 167 #define SCSI_STAT_UNEXP_BUS_F 0xFD /* Unexpect Bus Free */ 168 #define SCSI_STAT_BUS_RST_DETECT 0xFE /* Scsi Bus Reset detected */ 169 #define SCSI_STAT_SEL_TIMEOUT 0xFF /* Selection Time out */ 170 171 /* Sync_Mode */ 172 #define SYNC_WIDE_TAG_ATNT_DISABLE 0 173 #define SYNC_NEGO_ENABLE BIT0 174 #define SYNC_NEGO_DONE BIT1 175 #define WIDE_NEGO_ENABLE BIT2 176 #define WIDE_NEGO_DONE BIT3 177 #define WIDE_NEGO_STATE BIT4 178 #define EN_TAG_QUEUEING BIT5 179 #define EN_ATN_STOP BIT6 180 181 #define SYNC_NEGO_OFFSET 15 182 183 /* SCSI MSG BYTE */ 184 #define MSG_COMPLETE 0x00 185 #define MSG_EXTENDED 0x01 186 #define MSG_SAVE_PTR 0x02 187 #define MSG_RESTORE_PTR 0x03 188 #define MSG_DISCONNECT 0x04 189 #define MSG_INITIATOR_ERROR 0x05 190 #define MSG_ABORT 0x06 191 #define MSG_REJECT_ 0x07 192 #define MSG_NOP 0x08 193 #define MSG_PARITY_ERROR 0x09 194 #define MSG_LINK_CMD_COMPL 0x0A 195 #define MSG_LINK_CMD_COMPL_FLG 0x0B 196 #define MSG_BUS_RESET 0x0C 197 #define MSG_ABORT_TAG 0x0D 198 #define MSG_SIMPLE_QTAG 0x20 199 #define MSG_HEAD_QTAG 0x21 200 #define MSG_ORDER_QTAG 0x22 201 #define MSG_IGNOREWIDE 0x23 202 #define MSG_IDENTIFY 0x80 203 #define MSG_HOST_ID 0xC0 204 205 /* SCSI STATUS BYTE */ 206 #define STATUS_GOOD 0x00 207 #define CHECK_CONDITION_ 0x02 208 #define STATUS_BUSY 0x08 209 #define STATUS_INTERMEDIATE 0x10 210 #define RESERVE_CONFLICT 0x18 211 212 /* cmd->result */ 213 #define STATUS_MASK_ 0xFF 214 #define MSG_MASK 0xFF00 215 #define RETURN_MASK 0xFF0000 216 217 /************************************************************************/ 218 /* */ 219 /* Inquiry Data format */ 220 /* */ 221 /************************************************************************/ 222 struct ScsiInqData 223 { /* INQ */ 224 u8 DevType; /* Periph Qualifier & Periph Dev Type */ 225 u8 RMB_TypeMod; /* rem media bit & Dev Type Modifier */ 226 u8 Vers; /* ISO, ECMA, & ANSI versions */ 227 u8 RDF; /* AEN, TRMIOP, & response data format */ 228 u8 AddLen; /* length of additional data */ 229 u8 Res1; /* reserved */ 230 u8 Res2; /* reserved */ 231 u8 Flags; /* RelADr, Wbus32, Wbus16, Sync, etc. */ 232 u8 VendorID[8]; /* Vendor Identification */ 233 u8 ProductID[16]; /* Product Identification */ 234 u8 ProductRev[4]; /* Product Revision */ 235 }; 236 237 /* Inquiry byte 0 masks */ 238 #define SCSI_DEVTYPE 0x1F /* Peripheral Device Type */ 239 #define SCSI_PERIPHQUAL 0xE0 /* Peripheral Qualifier */ 240 /* Inquiry byte 1 mask */ 241 #define SCSI_REMOVABLE_MEDIA 0x80 /* Removable Media bit (1=removable) */ 242 /* Peripheral Device Type definitions */ 243 /* See include/scsi/scsi.h */ 244 #define TYPE_NODEV SCSI_DEVTYPE /* Unknown or no device type */ 245 #ifndef TYPE_PRINTER /* */ 246 # define TYPE_PRINTER 0x02 /* Printer device */ 247 #endif /* */ 248 #ifndef TYPE_COMM /* */ 249 # define TYPE_COMM 0x09 /* Communications device */ 250 #endif 251 252 /************************************************************************/ 253 /* */ 254 /* Inquiry flag definitions (Inq data byte 7) */ 255 /* */ 256 /************************************************************************/ 257 #define SCSI_INQ_RELADR 0x80 /* device supports relative addressing */ 258 #define SCSI_INQ_WBUS32 0x40 /* device supports 32 bit data xfers */ 259 #define SCSI_INQ_WBUS16 0x20 /* device supports 16 bit data xfers */ 260 #define SCSI_INQ_SYNC 0x10 /* device supports synchronous xfer */ 261 #define SCSI_INQ_LINKED 0x08 /* device supports linked commands */ 262 #define SCSI_INQ_CMDQUEUE 0x02 /* device supports command queueing */ 263 #define SCSI_INQ_SFTRE 0x01 /* device supports soft resets */ 264 265 #define ENABLE_CE 1 266 #define DISABLE_CE 0 267 #define EEPROM_READ 0x80 268 269 /************************************************************************/ 270 /* */ 271 /* The PCI configuration register offset for TRM_S1040 */ 272 /* */ 273 /************************************************************************/ 274 #define TRM_S1040_ID 0x00 /* Vendor and Device ID */ 275 #define TRM_S1040_COMMAND 0x04 /* PCI command register */ 276 #define TRM_S1040_IOBASE 0x10 /* I/O Space base address */ 277 #define TRM_S1040_ROMBASE 0x30 /* Expansion ROM Base Address */ 278 #define TRM_S1040_INTLINE 0x3C /* Interrupt line */ 279 280 /************************************************************************/ 281 /* */ 282 /* The SCSI register offset for TRM_S1040 */ 283 /* */ 284 /************************************************************************/ 285 #define TRM_S1040_SCSI_STATUS 0x80 /* SCSI Status (R) */ 286 #define COMMANDPHASEDONE 0x2000 /* SCSI command phase done */ 287 #define SCSIXFERDONE 0x0800 /* SCSI SCSI transfer done */ 288 #define SCSIXFERCNT_2_ZERO 0x0100 /* SCSI SCSI transfer count to zero */ 289 #define SCSIINTERRUPT 0x0080 /* SCSI interrupt pending */ 290 #define COMMANDABORT 0x0040 /* SCSI command abort */ 291 #define SEQUENCERACTIVE 0x0020 /* SCSI sequencer active */ 292 #define PHASEMISMATCH 0x0010 /* SCSI phase mismatch */ 293 #define PARITYERROR 0x0008 /* SCSI parity error */ 294 295 #define PHASEMASK 0x0007 /* Phase MSG/CD/IO */ 296 #define PH_DATA_OUT 0x00 /* Data out phase */ 297 #define PH_DATA_IN 0x01 /* Data in phase */ 298 #define PH_COMMAND 0x02 /* Command phase */ 299 #define PH_STATUS 0x03 /* Status phase */ 300 #define PH_BUS_FREE 0x05 /* Invalid phase used as bus free */ 301 #define PH_MSG_OUT 0x06 /* Message out phase */ 302 #define PH_MSG_IN 0x07 /* Message in phase */ 303 304 #define TRM_S1040_SCSI_CONTROL 0x80 /* SCSI Control (W) */ 305 #define DO_CLRATN 0x0400 /* Clear ATN */ 306 #define DO_SETATN 0x0200 /* Set ATN */ 307 #define DO_CMDABORT 0x0100 /* Abort SCSI command */ 308 #define DO_RSTMODULE 0x0010 /* Reset SCSI chip */ 309 #define DO_RSTSCSI 0x0008 /* Reset SCSI bus */ 310 #define DO_CLRFIFO 0x0004 /* Clear SCSI transfer FIFO */ 311 #define DO_DATALATCH 0x0002 /* Enable SCSI bus data input (latched) */ 312 /* #define DO_DATALATCH 0x0000 */ /* KG: DISable SCSI bus data latch */ 313 #define DO_HWRESELECT 0x0001 /* Enable hardware reselection */ 314 315 #define TRM_S1040_SCSI_FIFOCNT 0x82 /* SCSI FIFO Counter 5bits(R) */ 316 #define TRM_S1040_SCSI_SIGNAL 0x83 /* SCSI low level signal (R/W) */ 317 318 #define TRM_S1040_SCSI_INTSTATUS 0x84 /* SCSI Interrupt Status (R) */ 319 #define INT_SCAM 0x80 /* SCAM selection interrupt */ 320 #define INT_SELECT 0x40 /* Selection interrupt */ 321 #define INT_SELTIMEOUT 0x20 /* Selection timeout interrupt */ 322 #define INT_DISCONNECT 0x10 /* Bus disconnected interrupt */ 323 #define INT_RESELECTED 0x08 /* Reselected interrupt */ 324 #define INT_SCSIRESET 0x04 /* SCSI reset detected interrupt */ 325 #define INT_BUSSERVICE 0x02 /* Bus service interrupt */ 326 #define INT_CMDDONE 0x01 /* SCSI command done interrupt */ 327 328 #define TRM_S1040_SCSI_OFFSET 0x84 /* SCSI Offset Count (W) */ 329 330 /************************************************************************/ 331 /* */ 332 /* Bit Name Definition */ 333 /* --------- ------------- ---------------------------- */ 334 /* 07-05 0 RSVD Reversed. Always 0. */ 335 /* 04 0 OFFSET4 Reversed for LVDS. Always 0. */ 336 /* 03-00 0 OFFSET[03:00] Offset number from 0 to 15 */ 337 /* */ 338 /************************************************************************/ 339 340 #define TRM_S1040_SCSI_SYNC 0x85 /* SCSI Synchronous Control (R/W) */ 341 #define LVDS_SYNC 0x20 /* Enable LVDS synchronous */ 342 #define WIDE_SYNC 0x10 /* Enable WIDE synchronous */ 343 #define ALT_SYNC 0x08 /* Enable Fast-20 alternate synchronous */ 344 345 /************************************************************************/ 346 /* */ 347 /* SYNCM 7 6 5 4 3 2 1 0 */ 348 /* Name RSVD RSVD LVDS WIDE ALTPERD PERIOD2 PERIOD1 PERIOD0 */ 349 /* Default 0 0 0 0 0 0 0 0 */ 350 /* */ 351 /* Bit Name Definition */ 352 /* --------- ------------- --------------------------- */ 353 /* 07-06 0 RSVD Reversed. Always read 0 */ 354 /* 05 0 LVDS Reversed. Always read 0 */ 355 /* 04 0 WIDE/WSCSI Enable wide (16-bits) SCSI */ 356 /* transfer. */ 357 /* 03 0 ALTPERD/ALTPD Alternate (Sync./Period) mode. */ 358 /* */ 359 /* @@ When this bit is set, */ 360 /* the synchronous period bits 2:0 */ 361 /* in the Synchronous Mode register */ 362 /* are used to transfer data */ 363 /* at the Fast-20 rate. */ 364 /* @@ When this bit is unset, */ 365 /* the synchronous period bits 2:0 */ 366 /* in the Synchronous Mode Register */ 367 /* are used to transfer data */ 368 /* at the Fast-10 rate (or Fast-40 w/ LVDS). */ 369 /* */ 370 /* 02-00 0 PERIOD[2:0]/ Synchronous SCSI Transfer Rate. */ 371 /* SXPD[02:00] These 3 bits specify */ 372 /* the Synchronous SCSI Transfer */ 373 /* Rate for Fast-20 and Fast-10. */ 374 /* These bits are also reset */ 375 /* by a SCSI Bus reset. */ 376 /* */ 377 /* For Fast-10 bit ALTPD = 0 and LVDS = 0 */ 378 /* and bit2,bit1,bit0 is defined as follows : */ 379 /* */ 380 /* 000 100ns, 10.0 MHz */ 381 /* 001 150ns, 6.6 MHz */ 382 /* 010 200ns, 5.0 MHz */ 383 /* 011 250ns, 4.0 MHz */ 384 /* 100 300ns, 3.3 MHz */ 385 /* 101 350ns, 2.8 MHz */ 386 /* 110 400ns, 2.5 MHz */ 387 /* 111 450ns, 2.2 MHz */ 388 /* */ 389 /* For Fast-20 bit ALTPD = 1 and LVDS = 0 */ 390 /* and bit2,bit1,bit0 is defined as follows : */ 391 /* */ 392 /* 000 50ns, 20.0 MHz */ 393 /* 001 75ns, 13.3 MHz */ 394 /* 010 100ns, 10.0 MHz */ 395 /* 011 125ns, 8.0 MHz */ 396 /* 100 150ns, 6.6 MHz */ 397 /* 101 175ns, 5.7 MHz */ 398 /* 110 200ns, 5.0 MHz */ 399 /* 111 250ns, 4.0 MHz KG: Maybe 225ns, 4.4 MHz */ 400 /* */ 401 /* For Fast-40 bit ALTPD = 0 and LVDS = 1 */ 402 /* and bit2,bit1,bit0 is defined as follows : */ 403 /* */ 404 /* 000 25ns, 40.0 MHz */ 405 /* 001 50ns, 20.0 MHz */ 406 /* 010 75ns, 13.3 MHz */ 407 /* 011 100ns, 10.0 MHz */ 408 /* 100 125ns, 8.0 MHz */ 409 /* 101 150ns, 6.6 MHz */ 410 /* 110 175ns, 5.7 MHz */ 411 /* 111 200ns, 5.0 MHz */ 412 /* */ 413 /************************************************************************/ 414 415 #define TRM_S1040_SCSI_TARGETID 0x86 /* SCSI Target ID (R/W) */ 416 #define TRM_S1040_SCSI_IDMSG 0x87 /* SCSI Identify Message (R) */ 417 #define TRM_S1040_SCSI_HOSTID 0x87 /* SCSI Host ID (W) */ 418 #define TRM_S1040_SCSI_COUNTER 0x88 /* SCSI Transfer Counter 24bits(R/W) */ 419 420 #define TRM_S1040_SCSI_INTEN 0x8C /* SCSI Interrupt Enable (R/W) */ 421 #define EN_SCAM 0x80 /* Enable SCAM selection interrupt */ 422 #define EN_SELECT 0x40 /* Enable selection interrupt */ 423 #define EN_SELTIMEOUT 0x20 /* Enable selection timeout interrupt */ 424 #define EN_DISCONNECT 0x10 /* Enable bus disconnected interrupt */ 425 #define EN_RESELECTED 0x08 /* Enable reselected interrupt */ 426 #define EN_SCSIRESET 0x04 /* Enable SCSI reset detected interrupt */ 427 #define EN_BUSSERVICE 0x02 /* Enable bus service interrupt */ 428 #define EN_CMDDONE 0x01 /* Enable SCSI command done interrupt */ 429 430 #define TRM_S1040_SCSI_CONFIG0 0x8D /* SCSI Configuration 0 (R/W) */ 431 #define PHASELATCH 0x40 /* Enable phase latch */ 432 #define INITIATOR 0x20 /* Enable initiator mode */ 433 #define PARITYCHECK 0x10 /* Enable parity check */ 434 #define BLOCKRST 0x01 /* Disable SCSI reset1 */ 435 436 #define TRM_S1040_SCSI_CONFIG1 0x8E /* SCSI Configuration 1 (R/W) */ 437 #define ACTIVE_NEGPLUS 0x10 /* Enhance active negation */ 438 #define FILTER_DISABLE 0x08 /* Disable SCSI data filter */ 439 #define FAST_FILTER 0x04 /* ? */ 440 #define ACTIVE_NEG 0x02 /* Enable active negation */ 441 442 #define TRM_S1040_SCSI_CONFIG2 0x8F /* SCSI Configuration 2 (R/W) */ 443 #define CFG2_WIDEFIFO 0x02 /* */ 444 445 #define TRM_S1040_SCSI_COMMAND 0x90 /* SCSI Command (R/W) */ 446 #define SCMD_COMP 0x12 /* Command complete */ 447 #define SCMD_SEL_ATN 0x60 /* Selection with ATN */ 448 #define SCMD_SEL_ATN3 0x64 /* Selection with ATN3 */ 449 #define SCMD_SEL_ATNSTOP 0xB8 /* Selection with ATN and Stop */ 450 #define SCMD_FIFO_OUT 0xC0 /* SCSI FIFO transfer out */ 451 #define SCMD_DMA_OUT 0xC1 /* SCSI DMA transfer out */ 452 #define SCMD_FIFO_IN 0xC2 /* SCSI FIFO transfer in */ 453 #define SCMD_DMA_IN 0xC3 /* SCSI DMA transfer in */ 454 #define SCMD_MSGACCEPT 0xD8 /* Message accept */ 455 456 /************************************************************************/ 457 /* */ 458 /* Code Command Description */ 459 /* ---- ---------------------------------------- */ 460 /* 02 Enable reselection with FIFO */ 461 /* 40 Select without ATN with FIFO */ 462 /* 60 Select with ATN with FIFO */ 463 /* 64 Select with ATN3 with FIFO */ 464 /* A0 Select with ATN and stop with FIFO */ 465 /* C0 Transfer information out with FIFO */ 466 /* C1 Transfer information out with DMA */ 467 /* C2 Transfer information in with FIFO */ 468 /* C3 Transfer information in with DMA */ 469 /* 12 Initiator command complete with FIFO */ 470 /* 50 Initiator transfer information out sequence without ATN */ 471 /* with FIFO */ 472 /* 70 Initiator transfer information out sequence with ATN */ 473 /* with FIFO */ 474 /* 74 Initiator transfer information out sequence with ATN3 */ 475 /* with FIFO */ 476 /* 52 Initiator transfer information in sequence without ATN */ 477 /* with FIFO */ 478 /* 72 Initiator transfer information in sequence with ATN */ 479 /* with FIFO */ 480 /* 76 Initiator transfer information in sequence with ATN3 */ 481 /* with FIFO */ 482 /* 90 Initiator transfer information out command complete */ 483 /* with FIFO */ 484 /* 92 Initiator transfer information in command complete */ 485 /* with FIFO */ 486 /* D2 Enable selection */ 487 /* 08 Reselection */ 488 /* 48 Disconnect command with FIFO */ 489 /* 88 Terminate command with FIFO */ 490 /* C8 Target command complete with FIFO */ 491 /* 18 SCAM Arbitration/ Selection */ 492 /* 5A Enable reselection */ 493 /* 98 Select without ATN with FIFO */ 494 /* B8 Select with ATN with FIFO */ 495 /* D8 Message Accepted */ 496 /* 58 NOP */ 497 /* */ 498 /************************************************************************/ 499 500 #define TRM_S1040_SCSI_TIMEOUT 0x91 /* SCSI Time Out Value (R/W) */ 501 #define TRM_S1040_SCSI_FIFO 0x98 /* SCSI FIFO (R/W) */ 502 503 #define TRM_S1040_SCSI_TCR0 0x9C /* SCSI Target Control 0 (R/W) */ 504 #define TCR0_WIDE_NEGO_DONE 0x8000 /* Wide nego done */ 505 #define TCR0_SYNC_NEGO_DONE 0x4000 /* Synchronous nego done */ 506 #define TCR0_ENABLE_LVDS 0x2000 /* Enable LVDS synchronous */ 507 #define TCR0_ENABLE_WIDE 0x1000 /* Enable WIDE synchronous */ 508 #define TCR0_ENABLE_ALT 0x0800 /* Enable alternate synchronous */ 509 #define TCR0_PERIOD_MASK 0x0700 /* Transfer rate */ 510 511 #define TCR0_DO_WIDE_NEGO 0x0080 /* Do wide NEGO */ 512 #define TCR0_DO_SYNC_NEGO 0x0040 /* Do sync NEGO */ 513 #define TCR0_DISCONNECT_EN 0x0020 /* Disconnection enable */ 514 #define TCR0_OFFSET_MASK 0x001F /* Offset number */ 515 516 #define TRM_S1040_SCSI_TCR1 0x9E /* SCSI Target Control 1 (R/W) */ 517 #define MAXTAG_MASK 0x7F00 /* Maximum tags (127) */ 518 #define NON_TAG_BUSY 0x0080 /* Non tag command active */ 519 #define ACTTAG_MASK 0x007F /* Active tags */ 520 521 /************************************************************************/ 522 /* */ 523 /* The DMA register offset for TRM_S1040 */ 524 /* */ 525 /************************************************************************/ 526 #define TRM_S1040_DMA_COMMAND 0xA0 /* DMA Command (R/W) */ 527 #define DMACMD_SG 0x02 /* Enable HW S/G support */ 528 #define DMACMD_DIR 0x01 /* 1 = read from SCSI write to Host */ 529 #define XFERDATAIN_SG 0x0103 /* Transfer data in w/ SG */ 530 #define XFERDATAOUT_SG 0x0102 /* Transfer data out w/ SG */ 531 #define XFERDATAIN 0x0101 /* Transfer data in w/o SG */ 532 #define XFERDATAOUT 0x0100 /* Transfer data out w/o SG */ 533 534 #define TRM_S1040_DMA_FIFOCNT 0xA1 /* DMA FIFO Counter (R) */ 535 536 #define TRM_S1040_DMA_CONTROL 0xA1 /* DMA Control (W) */ 537 #define DMARESETMODULE 0x10 /* Reset PCI/DMA module */ 538 #define STOPDMAXFER 0x08 /* Stop DMA transfer */ 539 #define ABORTXFER 0x04 /* Abort DMA transfer */ 540 #define CLRXFIFO 0x02 /* Clear DMA transfer FIFO */ 541 #define STARTDMAXFER 0x01 /* Start DMA transfer */ 542 543 #define TRM_S1040_DMA_FIFOSTAT 0xA2 /* DMA FIFO Status (R) */ 544 545 #define TRM_S1040_DMA_STATUS 0xA3 /* DMA Interrupt Status (R/W) */ 546 #define XFERPENDING 0x80 /* Transfer pending */ 547 #define SCSIBUSY 0x40 /* SCSI busy */ 548 #define GLOBALINT 0x20 /* DMA_INTEN bit 0-4 set */ 549 #define FORCEDMACOMP 0x10 /* Force DMA transfer complete */ 550 #define DMAXFERERROR 0x08 /* DMA transfer error */ 551 #define DMAXFERABORT 0x04 /* DMA transfer abort */ 552 #define DMAXFERCOMP 0x02 /* Bus Master XFER Complete status */ 553 #define SCSICOMP 0x01 /* SCSI complete interrupt */ 554 555 #define TRM_S1040_DMA_INTEN 0xA4 /* DMA Interrupt Enable (R/W) */ 556 #define EN_FORCEDMACOMP 0x10 /* Force DMA transfer complete */ 557 #define EN_DMAXFERERROR 0x08 /* DMA transfer error */ 558 #define EN_DMAXFERABORT 0x04 /* DMA transfer abort */ 559 #define EN_DMAXFERCOMP 0x02 /* Bus Master XFER Complete status */ 560 #define EN_SCSIINTR 0x01 /* Enable SCSI complete interrupt */ 561 562 #define TRM_S1040_DMA_CONFIG 0xA6 /* DMA Configuration (R/W) */ 563 #define DMA_ENHANCE 0x8000 /* Enable DMA enhance feature (SG?) */ 564 #define DMA_PCI_DUAL_ADDR 0x4000 /* */ 565 #define DMA_CFG_RES 0x2000 /* Always 1 */ 566 #define DMA_AUTO_CLR_FIFO 0x1000 /* DISable DMA auto clear FIFO */ 567 #define DMA_MEM_MULTI_READ 0x0800 /* */ 568 #define DMA_MEM_WRITE_INVAL 0x0400 /* Memory write and invalidate */ 569 #define DMA_FIFO_CTRL 0x0300 /* Control FIFO operation with DMA */ 570 #define DMA_FIFO_HALF_HALF 0x0200 /* Keep half filled on both read/write */ 571 572 #define TRM_S1040_DMA_XCNT 0xA8 /* DMA Transfer Counter (R/W), 24bits */ 573 #define TRM_S1040_DMA_CXCNT 0xAC /* DMA Current Transfer Counter (R) */ 574 #define TRM_S1040_DMA_XLOWADDR 0xB0 /* DMA Transfer Physical Low Address */ 575 #define TRM_S1040_DMA_XHIGHADDR 0xB4 /* DMA Transfer Physical High Address */ 576 577 /************************************************************************/ 578 /* */ 579 /* The general register offset for TRM_S1040 */ 580 /* */ 581 /************************************************************************/ 582 #define TRM_S1040_GEN_CONTROL 0xD4 /* Global Control */ 583 #define CTRL_LED 0x80 /* Control onboard LED */ 584 #define EN_EEPROM 0x10 /* Enable EEPROM programming */ 585 #define DIS_TERM 0x08 /* Disable onboard termination */ 586 #define AUTOTERM 0x04 /* Enable Auto SCSI terminator */ 587 #define LOW8TERM 0x02 /* Enable Lower 8 bit SCSI terminator */ 588 #define UP8TERM 0x01 /* Enable Upper 8 bit SCSI terminator */ 589 590 #define TRM_S1040_GEN_STATUS 0xD5 /* Global Status */ 591 #define GTIMEOUT 0x80 /* Global timer reach 0 */ 592 #define EXT68HIGH 0x40 /* Higher 8 bit connected externally */ 593 #define INT68HIGH 0x20 /* Higher 8 bit connected internally */ 594 #define CON5068 0x10 /* External 50/68 pin connected (low) */ 595 #define CON68 0x08 /* Internal 68 pin connected (low) */ 596 #define CON50 0x04 /* Internal 50 pin connected (low!) */ 597 #define WIDESCSI 0x02 /* Wide SCSI card */ 598 #define STATUS_LOAD_DEFAULT 0x01 /* */ 599 600 #define TRM_S1040_GEN_NVRAM 0xD6 /* Serial NON-VOLATILE RAM port */ 601 #define NVR_BITOUT 0x08 /* Serial data out */ 602 #define NVR_BITIN 0x04 /* Serial data in */ 603 #define NVR_CLOCK 0x02 /* Serial clock */ 604 #define NVR_SELECT 0x01 /* Serial select */ 605 606 #define TRM_S1040_GEN_EDATA 0xD7 /* Parallel EEPROM data port */ 607 #define TRM_S1040_GEN_EADDRESS 0xD8 /* Parallel EEPROM address */ 608 #define TRM_S1040_GEN_TIMER 0xDB /* Global timer */ 609 610 /************************************************************************/ 611 /* */ 612 /* NvmTarCfg0: Target configuration byte 0 :..pDCB->DevMode */ 613 /* */ 614 /************************************************************************/ 615 #define NTC_DO_WIDE_NEGO 0x20 /* Wide negotiate */ 616 #define NTC_DO_TAG_QUEUEING 0x10 /* Enable SCSI tag queuing */ 617 #define NTC_DO_SEND_START 0x08 /* Send start command SPINUP */ 618 #define NTC_DO_DISCONNECT 0x04 /* Enable SCSI disconnect */ 619 #define NTC_DO_SYNC_NEGO 0x02 /* Sync negotiation */ 620 #define NTC_DO_PARITY_CHK 0x01 /* (it sould define at NAC) */ 621 /* Parity check enable */ 622 623 /************************************************************************/ 624 /* */ 625 /* Nvram Initiater bits definition */ 626 /* */ 627 /************************************************************************/ 628 #if 0 629 #define MORE2_DRV BIT0 630 #define GREATER_1G BIT1 631 #define RST_SCSI_BUS BIT2 632 #define ACTIVE_NEGATION BIT3 633 #define NO_SEEK BIT4 634 #define LUN_CHECK BIT5 635 #endif 636 637 /************************************************************************/ 638 /* */ 639 /* Nvram Adapter Cfg bits definition */ 640 /* */ 641 /************************************************************************/ 642 #define NAC_SCANLUN 0x20 /* Include LUN as BIOS device */ 643 #define NAC_POWERON_SCSI_RESET 0x04 /* Power on reset enable */ 644 #define NAC_GREATER_1G 0x02 /* > 1G support enable */ 645 #define NAC_GT2DRIVES 0x01 /* Support more than 2 drives */ 646 /* #define NAC_DO_PARITY_CHK 0x08 */ /* Parity check enable */ 647 648 #endif 649