projects / linux-2.6-block.git / blame
| Commit | Line | Data |
|---|---|---|
| b2441318 | 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
| 1da177e4 LT |
2 | /************************************************************************/ |
| 3 | /* */ | |
| 4 | /* dc395x.h */ | |
| 5 | /* */ | |
| 6 | /* Device Driver for Tekram DC395(U/UW/F), DC315(U) */ | |
| 7 | /* PCI SCSI Bus Master Host Adapter */ | |
| 8 | /* (SCSI chip set used Tekram ASIC TRM-S1040) */ | |
| 9 | /* */ | |
| 10 | /************************************************************************/ | |
| 11 | #ifndef DC395x_H | |
| 12 | #define DC395x_H | |
| 13 | ||
| 14 | /************************************************************************/ | |
| 15 | /* */ | |
| 16 | /* Initial values */ | |
| 17 | /* */ | |
| 18 | /************************************************************************/ | |
| 19 | #define DC395x_MAX_CMD_QUEUE 32 | |
| 20 | /* #define DC395x_MAX_QTAGS 32 */ | |
| 21 | #define DC395x_MAX_QTAGS 16 | |
| 22 | #define DC395x_MAX_SCSI_ID 16 | |
| 23 | #define DC395x_MAX_CMD_PER_LUN DC395x_MAX_QTAGS | |
| 24 | #define DC395x_MAX_SG_TABLESIZE 64 /* HW limitation */ | |
| 25 | #define DC395x_MAX_SG_LISTENTRY 64 /* Must be equal or lower to previous */ | |
| 26 | /* item */ | |
| 27 | #define DC395x_MAX_SRB_CNT 63 | |
| 28 | /* #define DC395x_MAX_CAN_QUEUE 7 * DC395x_MAX_QTAGS */ | |
| 29 | #define DC395x_MAX_CAN_QUEUE DC395x_MAX_SRB_CNT | |
| 30 | #define DC395x_END_SCAN 2 | |
| 31 | #define DC395x_SEL_TIMEOUT 153 /* 250 ms selection timeout (@ 40 MHz) */ | |
| 32 | #define DC395x_MAX_RETRIES 3 | |
| 33 | ||
| 34 | #if 0 | |
| 35 | #define SYNC_FIRST | |
| 36 | #endif | |
| 37 | ||
| 38 | #define NORM_REC_LVL 0 | |
| 39 | ||
| 40 | /************************************************************************/ | |
| 41 | /* */ | |
| 42 | /* Various definitions */ | |
| 43 | /* */ | |
| 44 | /************************************************************************/ | |
| 45 | #define BIT31 0x80000000 | |
| 46 | #define BIT30 0x40000000 | |
| 47 | #define BIT29 0x20000000 | |
| 48 | #define BIT28 0x10000000 | |
| 49 | #define BIT27 0x08000000 | |
| 50 | #define BIT26 0x04000000 | |
| 51 | #define BIT25 0x02000000 | |
| 52 | #define BIT24 0x01000000 | |
| 53 | #define BIT23 0x00800000 | |
| 54 | #define BIT22 0x00400000 | |
| 55 | #define BIT21 0x00200000 | |
| 56 | #define BIT20 0x00100000 | |
| 57 | #define BIT19 0x00080000 | |
| 58 | #define BIT18 0x00040000 | |
| 59 | #define BIT17 0x00020000 | |
| 60 | #define BIT16 0x00010000 | |
| 61 | #define BIT15 0x00008000 | |
| 62 | #define BIT14 0x00004000 | |
| 63 | #define BIT13 0x00002000 | |
| 64 | #define BIT12 0x00001000 | |
| 65 | #define BIT11 0x00000800 | |
| 66 | #define BIT10 0x00000400 | |
| 67 | #define BIT9 0x00000200 | |
| 68 | #define BIT8 0x00000100 | |
| 69 | #define BIT7 0x00000080 | |
| 70 | #define BIT6 0x00000040 | |
| 71 | #define BIT5 0x00000020 | |
| 72 | #define BIT4 0x00000010 | |
| 73 | #define BIT3 0x00000008 | |
| 74 | #define BIT2 0x00000004 | |
| 75 | #define BIT1 0x00000002 | |
| 76 | #define BIT0 0x00000001 | |
| 77 | ||
| 78 | /* UnitCtrlFlag */ | |
| 79 | #define UNIT_ALLOCATED BIT0 | |
| 80 | #define UNIT_INFO_CHANGED BIT1 | |
| 81 | #define FORMATING_MEDIA BIT2 | |
| 82 | #define UNIT_RETRY BIT3 | |
| 83 | ||
| 84 | /* UnitFlags */ | |
| 85 | #define DASD_SUPPORT BIT0 | |
| 86 | #define SCSI_SUPPORT BIT1 | |
| 87 | #define ASPI_SUPPORT BIT2 | |
| 88 | ||
| 89 | /* SRBState machine definition */ | |
| 90 | #define SRB_FREE 0x0000 | |
| 91 | #define SRB_WAIT 0x0001 | |
| 92 | #define SRB_READY 0x0002 | |
| 93 | #define SRB_MSGOUT 0x0004 /* arbitration+msg_out 1st byte */ | |
| 94 | #define SRB_MSGIN 0x0008 | |
| 95 | #define SRB_EXTEND_MSGIN 0x0010 | |
| 96 | #define SRB_COMMAND 0x0020 | |
| 97 | #define SRB_START_ 0x0040 /* arbitration+msg_out+command_out */ | |
| 98 | #define SRB_DISCONNECT 0x0080 | |
| 99 | #define SRB_DATA_XFER 0x0100 | |
| 100 | #define SRB_XFERPAD 0x0200 | |
| 101 | #define SRB_STATUS 0x0400 | |
| 102 | #define SRB_COMPLETED 0x0800 | |
| 103 | #define SRB_ABORT_SENT 0x1000 | |
| 104 | #define SRB_DO_SYNC_NEGO 0x2000 | |
| 105 | #define SRB_DO_WIDE_NEGO 0x4000 | |
| 106 | #define SRB_UNEXPECT_RESEL 0x8000 | |
| 107 | ||
| 108 | /************************************************************************/ | |
| 109 | /* */ | |
| 110 | /* ACB Config */ | |
| 111 | /* */ | |
| 112 | /************************************************************************/ | |
| 113 | #define HCC_WIDE_CARD 0x20 | |
| 114 | #define HCC_SCSI_RESET 0x10 | |
| 115 | #define HCC_PARITY 0x08 | |
| 116 | #define HCC_AUTOTERM 0x04 | |
| 117 | #define HCC_LOW8TERM 0x02 | |
| 118 | #define HCC_UP8TERM 0x01 | |
| 119 | ||
| 120 | /* ACBFlag */ | |
| 121 | #define RESET_DEV BIT0 | |
| 122 | #define RESET_DETECT BIT1 | |
| 123 | #define RESET_DONE BIT2 | |
| 124 | ||
| 125 | /* DCBFlag */ | |
| 126 | #define ABORT_DEV_ BIT0 | |
| 127 | ||
| 128 | /* SRBstatus */ | |
| 129 | #define SRB_OK BIT0 | |
| 130 | #define ABORTION BIT1 | |
| 131 | #define OVER_RUN BIT2 | |
| 132 | #define UNDER_RUN BIT3 | |
| 133 | #define PARITY_ERROR BIT4 | |
| 134 | #define SRB_ERROR BIT5 | |
| 135 | ||
| 136 | /* SRBFlag */ | |
| 137 | #define DATAOUT BIT7 | |
| 138 | #define DATAIN BIT6 | |
| 139 | #define RESIDUAL_VALID BIT5 | |
| 140 | #define ENABLE_TIMER BIT4 | |
| 141 | #define RESET_DEV0 BIT2 | |
| 142 | #define ABORT_DEV BIT1 | |
| 143 | #define AUTO_REQSENSE BIT0 | |
| 144 | ||
| 145 | /* Adapter status */ | |
| 146 | #define H_STATUS_GOOD 0 | |
| 147 | #define H_SEL_TIMEOUT 0x11 | |
| 148 | #define H_OVER_UNDER_RUN 0x12 | |
| 149 | #define H_UNEXP_BUS_FREE 0x13 | |
| 150 | #define H_TARGET_PHASE_F 0x14 | |
| 151 | #define H_INVALID_CCB_OP 0x16 | |
| 152 | #define H_LINK_CCB_BAD 0x17 | |
| 153 | #define H_BAD_TARGET_DIR 0x18 | |
| 154 | #define H_DUPLICATE_CCB 0x19 | |
| 155 | #define H_BAD_CCB_OR_SG 0x1A | |
| 156 | #define H_ABORT 0x0FF | |
| 157 | ||
| 158 | /* SCSI BUS Status byte codes */ | |
| 159 | #define SCSI_STAT_GOOD 0x0 /* Good status */ | |
| 160 | #define SCSI_STAT_CHECKCOND 0x02 /* SCSI Check Condition */ | |
| 161 | #define SCSI_STAT_CONDMET 0x04 /* Condition Met */ | |
| 162 | #define SCSI_STAT_BUSY 0x08 /* Target busy status */ | |
| 163 | #define SCSI_STAT_INTER 0x10 /* Intermediate status */ | |
| 164 | #define SCSI_STAT_INTERCONDMET 0x14 /* Intermediate condition met */ | |
| 165 | #define SCSI_STAT_RESCONFLICT 0x18 /* Reservation conflict */ | |
| 166 | #define SCSI_STAT_CMDTERM 0x22 /* Command Terminated */ | |
| 167 | #define SCSI_STAT_QUEUEFULL 0x28 /* Queue Full */ | |
| 168 | #define SCSI_STAT_UNEXP_BUS_F 0xFD /* Unexpect Bus Free */ | |
| 169 | #define SCSI_STAT_BUS_RST_DETECT 0xFE /* Scsi Bus Reset detected */ | |
| 170 | #define SCSI_STAT_SEL_TIMEOUT 0xFF /* Selection Time out */ | |
| 171 | ||
| 172 | /* Sync_Mode */ | |
| 173 | #define SYNC_WIDE_TAG_ATNT_DISABLE 0 | |
| 174 | #define SYNC_NEGO_ENABLE BIT0 | |
| 175 | #define SYNC_NEGO_DONE BIT1 | |
| 176 | #define WIDE_NEGO_ENABLE BIT2 | |
| 177 | #define WIDE_NEGO_DONE BIT3 | |
| 178 | #define WIDE_NEGO_STATE BIT4 | |
| 179 | #define EN_TAG_QUEUEING BIT5 | |
| 180 | #define EN_ATN_STOP BIT6 | |
| 181 | ||
| 182 | #define SYNC_NEGO_OFFSET 15 | |
| 183 | ||
| 184 | /* SCSI MSG BYTE */ | |
| 185 | #define MSG_COMPLETE 0x00 | |
| 186 | #define MSG_EXTENDED 0x01 | |
| 187 | #define MSG_SAVE_PTR 0x02 | |
| 188 | #define MSG_RESTORE_PTR 0x03 | |
| 189 | #define MSG_DISCONNECT 0x04 | |
| 190 | #define MSG_INITIATOR_ERROR 0x05 | |
| 191 | #define MSG_ABORT 0x06 | |
| 192 | #define MSG_REJECT_ 0x07 | |
| 193 | #define MSG_NOP 0x08 | |
| 194 | #define MSG_PARITY_ERROR 0x09 | |
| 195 | #define MSG_LINK_CMD_COMPL 0x0A | |
| 196 | #define MSG_LINK_CMD_COMPL_FLG 0x0B | |
| 197 | #define MSG_BUS_RESET 0x0C | |
| 198 | #define MSG_ABORT_TAG 0x0D | |
| 199 | #define MSG_SIMPLE_QTAG 0x20 | |
| 200 | #define MSG_HEAD_QTAG 0x21 | |
| 201 | #define MSG_ORDER_QTAG 0x22 | |
| 202 | #define MSG_IGNOREWIDE 0x23 | |
| 203 | #define MSG_IDENTIFY 0x80 | |
| 204 | #define MSG_HOST_ID 0xC0 | |
| 205 | ||
| 206 | /* SCSI STATUS BYTE */ | |
| 207 | #define STATUS_GOOD 0x00 | |
| 208 | #define CHECK_CONDITION_ 0x02 | |
| 209 | #define STATUS_BUSY 0x08 | |
| 210 | #define STATUS_INTERMEDIATE 0x10 | |
| 211 | #define RESERVE_CONFLICT 0x18 | |
| 212 | ||
| 213 | /* cmd->result */ | |
| 214 | #define STATUS_MASK_ 0xFF | |
| 215 | #define MSG_MASK 0xFF00 | |
| 216 | #define RETURN_MASK 0xFF0000 | |
| 217 | ||
| 218 | /************************************************************************/ | |
| 219 | /* */ | |
| 220 | /* Inquiry Data format */ | |
| 221 | /* */ | |
| 222 | /************************************************************************/ | |
| 223 | struct ScsiInqData | |
| 224 | { /* INQ */ | |
| 225 | u8 DevType; /* Periph Qualifier & Periph Dev Type */ | |
| 226 | u8 RMB_TypeMod; /* rem media bit & Dev Type Modifier */ | |
| 227 | u8 Vers; /* ISO, ECMA, & ANSI versions */ | |
| 228 | u8 RDF; /* AEN, TRMIOP, & response data format */ | |
| 229 | u8 AddLen; /* length of additional data */ | |
| 230 | u8 Res1; /* reserved */ | |
| 231 | u8 Res2; /* reserved */ | |
| 232 | u8 Flags; /* RelADr, Wbus32, Wbus16, Sync, etc. */ | |
| 233 | u8 VendorID[8]; /* Vendor Identification */ | |
| 234 | u8 ProductID[16]; /* Product Identification */ | |
| 235 | u8 ProductRev[4]; /* Product Revision */ | |
| 236 | }; | |
| 237 | ||
| 238 | /* Inquiry byte 0 masks */ | |
| 239 | #define SCSI_DEVTYPE 0x1F /* Peripheral Device Type */ | |
| 240 | #define SCSI_PERIPHQUAL 0xE0 /* Peripheral Qualifier */ | |
| 241 | /* Inquiry byte 1 mask */ | |
| 242 | #define SCSI_REMOVABLE_MEDIA 0x80 /* Removable Media bit (1=removable) */ | |
| 243 | /* Peripheral Device Type definitions */ | |
| 244 | /* See include/scsi/scsi.h */ | |
| 245 | #define TYPE_NODEV SCSI_DEVTYPE /* Unknown or no device type */ | |
| 246 | #ifndef TYPE_PRINTER /* */ | |
| 247 | # define TYPE_PRINTER 0x02 /* Printer device */ | |
| 248 | #endif /* */ | |
| 249 | #ifndef TYPE_COMM /* */ | |
| 250 | # define TYPE_COMM 0x09 /* Communications device */ | |
| 251 | #endif | |
| 252 | ||
| 253 | /************************************************************************/ | |
| 254 | /* */ | |
| 255 | /* Inquiry flag definitions (Inq data byte 7) */ | |
| 256 | /* */ | |
| 257 | /************************************************************************/ | |
| 258 | #define SCSI_INQ_RELADR 0x80 /* device supports relative addressing */ | |
| 259 | #define SCSI_INQ_WBUS32 0x40 /* device supports 32 bit data xfers */ | |
| 260 | #define SCSI_INQ_WBUS16 0x20 /* device supports 16 bit data xfers */ | |
| 261 | #define SCSI_INQ_SYNC 0x10 /* device supports synchronous xfer */ | |
| 262 | #define SCSI_INQ_LINKED 0x08 /* device supports linked commands */ | |
| 263 | #define SCSI_INQ_CMDQUEUE 0x02 /* device supports command queueing */ | |
| 264 | #define SCSI_INQ_SFTRE 0x01 /* device supports soft resets */ | |
| 265 | ||
| 266 | #define ENABLE_CE 1 | |
| 267 | #define DISABLE_CE 0 | |
| 268 | #define EEPROM_READ 0x80 | |
| 269 | ||
| 270 | /************************************************************************/ | |
| 271 | /* */ | |
| 272 | /* The PCI configuration register offset for TRM_S1040 */ | |
| 273 | /* */ | |
| 274 | /************************************************************************/ | |
| 275 | #define TRM_S1040_ID 0x00 /* Vendor and Device ID */ | |
| 276 | #define TRM_S1040_COMMAND 0x04 /* PCI command register */ | |
| 277 | #define TRM_S1040_IOBASE 0x10 /* I/O Space base address */ | |
| 278 | #define TRM_S1040_ROMBASE 0x30 /* Expansion ROM Base Address */ | |
| 279 | #define TRM_S1040_INTLINE 0x3C /* Interrupt line */ | |
| 280 | ||
| 281 | /************************************************************************/ | |
| 282 | /* */ | |
| 283 | /* The SCSI register offset for TRM_S1040 */ | |
| 284 | /* */ | |
| 285 | /************************************************************************/ | |
| 286 | #define TRM_S1040_SCSI_STATUS 0x80 /* SCSI Status (R) */ | |
| 287 | #define COMMANDPHASEDONE 0x2000 /* SCSI command phase done */ | |
| 288 | #define SCSIXFERDONE 0x0800 /* SCSI SCSI transfer done */ | |
| 289 | #define SCSIXFERCNT_2_ZERO 0x0100 /* SCSI SCSI transfer count to zero */ | |
| 290 | #define SCSIINTERRUPT 0x0080 /* SCSI interrupt pending */ | |
| 291 | #define COMMANDABORT 0x0040 /* SCSI command abort */ | |
| 292 | #define SEQUENCERACTIVE 0x0020 /* SCSI sequencer active */ | |
| 293 | #define PHASEMISMATCH 0x0010 /* SCSI phase mismatch */ | |
| 294 | #define PARITYERROR 0x0008 /* SCSI parity error */ | |
| 295 | ||
| 296 | #define PHASEMASK 0x0007 /* Phase MSG/CD/IO */ | |
| 297 | #define PH_DATA_OUT 0x00 /* Data out phase */ | |
| 298 | #define PH_DATA_IN 0x01 /* Data in phase */ | |
| 299 | #define PH_COMMAND 0x02 /* Command phase */ | |
| 300 | #define PH_STATUS 0x03 /* Status phase */ | |
| 301 | #define PH_BUS_FREE 0x05 /* Invalid phase used as bus free */ | |
| 302 | #define PH_MSG_OUT 0x06 /* Message out phase */ | |
| 303 | #define PH_MSG_IN 0x07 /* Message in phase */ | |
| 304 | ||
| 305 | #define TRM_S1040_SCSI_CONTROL 0x80 /* SCSI Control (W) */ | |
| 306 | #define DO_CLRATN 0x0400 /* Clear ATN */ | |
| 307 | #define DO_SETATN 0x0200 /* Set ATN */ | |
| 308 | #define DO_CMDABORT 0x0100 /* Abort SCSI command */ | |
| 309 | #define DO_RSTMODULE 0x0010 /* Reset SCSI chip */ | |
| 310 | #define DO_RSTSCSI 0x0008 /* Reset SCSI bus */ | |
| 311 | #define DO_CLRFIFO 0x0004 /* Clear SCSI transfer FIFO */ | |
| 312 | #define DO_DATALATCH 0x0002 /* Enable SCSI bus data input (latched) */ | |
| 313 | /* #define DO_DATALATCH 0x0000 */ /* KG: DISable SCSI bus data latch */ | |
| 314 | #define DO_HWRESELECT 0x0001 /* Enable hardware reselection */ | |
| 315 | ||
| 316 | #define TRM_S1040_SCSI_FIFOCNT 0x82 /* SCSI FIFO Counter 5bits(R) */ | |
| 317 | #define TRM_S1040_SCSI_SIGNAL 0x83 /* SCSI low level signal (R/W) */ | |
| 318 | ||
| 319 | #define TRM_S1040_SCSI_INTSTATUS 0x84 /* SCSI Interrupt Status (R) */ | |
| 320 | #define INT_SCAM 0x80 /* SCAM selection interrupt */ | |
| 321 | #define INT_SELECT 0x40 /* Selection interrupt */ | |
| 322 | #define INT_SELTIMEOUT 0x20 /* Selection timeout interrupt */ | |
| 323 | #define INT_DISCONNECT 0x10 /* Bus disconnected interrupt */ | |
| 324 | #define INT_RESELECTED 0x08 /* Reselected interrupt */ | |
| 325 | #define INT_SCSIRESET 0x04 /* SCSI reset detected interrupt */ | |
| 326 | #define INT_BUSSERVICE 0x02 /* Bus service interrupt */ | |
| 327 | #define INT_CMDDONE 0x01 /* SCSI command done interrupt */ | |
| 328 | ||
| 329 | #define TRM_S1040_SCSI_OFFSET 0x84 /* SCSI Offset Count (W) */ | |
| 330 | ||
| 331 | /************************************************************************/ | |
| 332 | /* */ | |
| 333 | /* Bit Name Definition */ | |
| 334 | /* --------- ------------- ---------------------------- */ | |
| 335 | /* 07-05 0 RSVD Reversed. Always 0. */ | |
| 336 | /* 04 0 OFFSET4 Reversed for LVDS. Always 0. */ | |
| 337 | /* 03-00 0 OFFSET[03:00] Offset number from 0 to 15 */ | |
| 338 | /* */ | |
| 339 | /************************************************************************/ | |
| 340 | ||
| 341 | #define TRM_S1040_SCSI_SYNC 0x85 /* SCSI Synchronous Control (R/W) */ | |
| 342 | #define LVDS_SYNC 0x20 /* Enable LVDS synchronous */ | |
| 343 | #define WIDE_SYNC 0x10 /* Enable WIDE synchronous */ | |
| 344 | #define ALT_SYNC 0x08 /* Enable Fast-20 alternate synchronous */ | |
| 345 | ||
| 346 | /************************************************************************/ | |
| 347 | /* */ | |
| 348 | /* SYNCM 7 6 5 4 3 2 1 0 */ | |
| 349 | /* Name RSVD RSVD LVDS WIDE ALTPERD PERIOD2 PERIOD1 PERIOD0 */ | |
| 350 | /* Default 0 0 0 0 0 0 0 0 */ | |
| 351 | /* */ | |
| 352 | /* Bit Name Definition */ | |
| 353 | /* --------- ------------- --------------------------- */ | |
| 354 | /* 07-06 0 RSVD Reversed. Always read 0 */ | |
| 355 | /* 05 0 LVDS Reversed. Always read 0 */ | |
| 356 | /* 04 0 WIDE/WSCSI Enable wide (16-bits) SCSI */ | |
| 357 | /* transfer. */ | |
| 358 | /* 03 0 ALTPERD/ALTPD Alternate (Sync./Period) mode. */ | |
| 359 | /* */ | |
| 360 | /* @@ When this bit is set, */ | |
| 361 | /* the synchronous period bits 2:0 */ | |
| 362 | /* in the Synchronous Mode register */ | |
| 363 | /* are used to transfer data */ | |
| 364 | /* at the Fast-20 rate. */ | |
| 365 | /* @@ When this bit is unset, */ | |
| 366 | /* the synchronous period bits 2:0 */ | |
| 367 | /* in the Synchronous Mode Register */ | |
| 368 | /* are used to transfer data */ | |
| 369 | /* at the Fast-10 rate (or Fast-40 w/ LVDS). */ | |
| 370 | /* */ | |
| 371 | /* 02-00 0 PERIOD[2:0]/ Synchronous SCSI Transfer Rate. */ | |
| 372 | /* SXPD[02:00] These 3 bits specify */ | |
| 373 | /* the Synchronous SCSI Transfer */ | |
| 374 | /* Rate for Fast-20 and Fast-10. */ | |
| 375 | /* These bits are also reset */ | |
| 376 | /* by a SCSI Bus reset. */ | |
| 377 | /* */ | |
| 378 | /* For Fast-10 bit ALTPD = 0 and LVDS = 0 */ | |
| 379 | /* and bit2,bit1,bit0 is defined as follows : */ | |
| 380 | /* */ | |
| 381 | /* 000 100ns, 10.0 MHz */ | |
| 382 | /* 001 150ns, 6.6 MHz */ | |
| 383 | /* 010 200ns, 5.0 MHz */ | |
| 384 | /* 011 250ns, 4.0 MHz */ | |
| 385 | /* 100 300ns, 3.3 MHz */ | |
| 386 | /* 101 350ns, 2.8 MHz */ | |
| 387 | /* 110 400ns, 2.5 MHz */ | |
| 388 | /* 111 450ns, 2.2 MHz */ | |
| 389 | /* */ | |
| 390 | /* For Fast-20 bit ALTPD = 1 and LVDS = 0 */ | |
| 391 | /* and bit2,bit1,bit0 is defined as follows : */ | |
| 392 | /* */ | |
| 393 | /* 000 50ns, 20.0 MHz */ | |
| 394 | /* 001 75ns, 13.3 MHz */ | |
| 395 | /* 010 100ns, 10.0 MHz */ | |
| 396 | /* 011 125ns, 8.0 MHz */ | |
| 397 | /* 100 150ns, 6.6 MHz */ | |
| 398 | /* 101 175ns, 5.7 MHz */ | |
| 399 | /* 110 200ns, 5.0 MHz */ | |
| 400 | /* 111 250ns, 4.0 MHz KG: Maybe 225ns, 4.4 MHz */ | |
| 401 | /* */ | |
| 402 | /* For Fast-40 bit ALTPD = 0 and LVDS = 1 */ | |
| 403 | /* and bit2,bit1,bit0 is defined as follows : */ | |
| 404 | /* */ | |
| 405 | /* 000 25ns, 40.0 MHz */ | |
| 406 | /* 001 50ns, 20.0 MHz */ | |
| 407 | /* 010 75ns, 13.3 MHz */ | |
| 408 | /* 011 100ns, 10.0 MHz */ | |
| 409 | /* 100 125ns, 8.0 MHz */ | |
| 410 | /* 101 150ns, 6.6 MHz */ | |
| 411 | /* 110 175ns, 5.7 MHz */ | |
| 412 | /* 111 200ns, 5.0 MHz */ | |
| 413 | /* */ | |
| 414 | /************************************************************************/ | |
| 415 | ||
| 416 | #define TRM_S1040_SCSI_TARGETID 0x86 /* SCSI Target ID (R/W) */ | |
| 417 | #define TRM_S1040_SCSI_IDMSG 0x87 /* SCSI Identify Message (R) */ | |
| 418 | #define TRM_S1040_SCSI_HOSTID 0x87 /* SCSI Host ID (W) */ | |
| 419 | #define TRM_S1040_SCSI_COUNTER 0x88 /* SCSI Transfer Counter 24bits(R/W) */ | |
| 420 | ||
| 421 | #define TRM_S1040_SCSI_INTEN 0x8C /* SCSI Interrupt Enable (R/W) */ | |
| 422 | #define EN_SCAM 0x80 /* Enable SCAM selection interrupt */ | |
| 423 | #define EN_SELECT 0x40 /* Enable selection interrupt */ | |
| 424 | #define EN_SELTIMEOUT 0x20 /* Enable selection timeout interrupt */ | |
| 425 | #define EN_DISCONNECT 0x10 /* Enable bus disconnected interrupt */ | |
| 426 | #define EN_RESELECTED 0x08 /* Enable reselected interrupt */ | |
| 427 | #define EN_SCSIRESET 0x04 /* Enable SCSI reset detected interrupt */ | |
| 428 | #define EN_BUSSERVICE 0x02 /* Enable bus service interrupt */ | |
| 429 | #define EN_CMDDONE 0x01 /* Enable SCSI command done interrupt */ | |
| 430 | ||
| 431 | #define TRM_S1040_SCSI_CONFIG0 0x8D /* SCSI Configuration 0 (R/W) */ | |
| 432 | #define PHASELATCH 0x40 /* Enable phase latch */ | |
| 433 | #define INITIATOR 0x20 /* Enable initiator mode */ | |
| 434 | #define PARITYCHECK 0x10 /* Enable parity check */ | |
| 435 | #define BLOCKRST 0x01 /* Disable SCSI reset1 */ | |
| 436 | ||
| 437 | #define TRM_S1040_SCSI_CONFIG1 0x8E /* SCSI Configuration 1 (R/W) */ | |
| 438 | #define ACTIVE_NEGPLUS 0x10 /* Enhance active negation */ | |
| 439 | #define FILTER_DISABLE 0x08 /* Disable SCSI data filter */ | |
| 440 | #define FAST_FILTER 0x04 /* ? */ | |
| 441 | #define ACTIVE_NEG 0x02 /* Enable active negation */ | |
| 442 | ||
| 443 | #define TRM_S1040_SCSI_CONFIG2 0x8F /* SCSI Configuration 2 (R/W) */ | |
| 444 | #define CFG2_WIDEFIFO 0x02 /* */ | |
| 445 | ||
| 446 | #define TRM_S1040_SCSI_COMMAND 0x90 /* SCSI Command (R/W) */ | |
| 447 | #define SCMD_COMP 0x12 /* Command complete */ | |
| 448 | #define SCMD_SEL_ATN 0x60 /* Selection with ATN */ | |
| 449 | #define SCMD_SEL_ATN3 0x64 /* Selection with ATN3 */ | |
| 450 | #define SCMD_SEL_ATNSTOP 0xB8 /* Selection with ATN and Stop */ | |
| 451 | #define SCMD_FIFO_OUT 0xC0 /* SCSI FIFO transfer out */ | |
| 452 | #define SCMD_DMA_OUT 0xC1 /* SCSI DMA transfer out */ | |
| 453 | #define SCMD_FIFO_IN 0xC2 /* SCSI FIFO transfer in */ | |
| 454 | #define SCMD_DMA_IN 0xC3 /* SCSI DMA transfer in */ | |
| 455 | #define SCMD_MSGACCEPT 0xD8 /* Message accept */ | |
| 456 | ||
| 457 | /************************************************************************/ | |
| 458 | /* */ | |
| 459 | /* Code Command Description */ | |
| 460 | /* ---- ---------------------------------------- */ | |
| 461 | /* 02 Enable reselection with FIFO */ | |
| 462 | /* 40 Select without ATN with FIFO */ | |
| 463 | /* 60 Select with ATN with FIFO */ | |
| 464 | /* 64 Select with ATN3 with FIFO */ | |
| 465 | /* A0 Select with ATN and stop with FIFO */ | |
| 466 | /* C0 Transfer information out with FIFO */ | |
| 467 | /* C1 Transfer information out with DMA */ | |
| 468 | /* C2 Transfer information in with FIFO */ | |
| 469 | /* C3 Transfer information in with DMA */ | |
| 470 | /* 12 Initiator command complete with FIFO */ | |
| 471 | /* 50 Initiator transfer information out sequence without ATN */ | |
| 472 | /* with FIFO */ | |
| 473 | /* 70 Initiator transfer information out sequence with ATN */ | |
| 474 | /* with FIFO */ | |
| 475 | /* 74 Initiator transfer information out sequence with ATN3 */ | |
| 476 | /* with FIFO */ | |
| 477 | /* 52 Initiator transfer information in sequence without ATN */ | |
| 478 | /* with FIFO */ | |
| 479 | /* 72 Initiator transfer information in sequence with ATN */ | |
| 480 | /* with FIFO */ | |
| 481 | /* 76 Initiator transfer information in sequence with ATN3 */ | |
| 482 | /* with FIFO */ | |
| 483 | /* 90 Initiator transfer information out command complete */ | |
| 484 | /* with FIFO */ | |
| 485 | /* 92 Initiator transfer information in command complete */ | |
| 486 | /* with FIFO */ | |
| 487 | /* D2 Enable selection */ | |
| 488 | /* 08 Reselection */ | |
| 489 | /* 48 Disconnect command with FIFO */ | |
| 490 | /* 88 Terminate command with FIFO */ | |
| 491 | /* C8 Target command complete with FIFO */ | |
| 492 | /* 18 SCAM Arbitration/ Selection */ | |
| 493 | /* 5A Enable reselection */ | |
| 494 | /* 98 Select without ATN with FIFO */ | |
| 495 | /* B8 Select with ATN with FIFO */ | |
| 496 | /* D8 Message Accepted */ | |
| 497 | /* 58 NOP */ | |
| 498 | /* */ | |
| 499 | /************************************************************************/ | |
| 500 | ||
| 501 | #define TRM_S1040_SCSI_TIMEOUT 0x91 /* SCSI Time Out Value (R/W) */ | |
| 502 | #define TRM_S1040_SCSI_FIFO 0x98 /* SCSI FIFO (R/W) */ | |
| 503 | ||
| 504 | #define TRM_S1040_SCSI_TCR0 0x9C /* SCSI Target Control 0 (R/W) */ | |
| 505 | #define TCR0_WIDE_NEGO_DONE 0x8000 /* Wide nego done */ | |
| 506 | #define TCR0_SYNC_NEGO_DONE 0x4000 /* Synchronous nego done */ | |
| 507 | #define TCR0_ENABLE_LVDS 0x2000 /* Enable LVDS synchronous */ | |
| 508 | #define TCR0_ENABLE_WIDE 0x1000 /* Enable WIDE synchronous */ | |
| 509 | #define TCR0_ENABLE_ALT 0x0800 /* Enable alternate synchronous */ | |
| 510 | #define TCR0_PERIOD_MASK 0x0700 /* Transfer rate */ | |
| 511 | ||
| 512 | #define TCR0_DO_WIDE_NEGO 0x0080 /* Do wide NEGO */ | |
| 513 | #define TCR0_DO_SYNC_NEGO 0x0040 /* Do sync NEGO */ | |
| 514 | #define TCR0_DISCONNECT_EN 0x0020 /* Disconnection enable */ | |
| 515 | #define TCR0_OFFSET_MASK 0x001F /* Offset number */ | |
| 516 | ||
| 517 | #define TRM_S1040_SCSI_TCR1 0x9E /* SCSI Target Control 1 (R/W) */ | |
| 518 | #define MAXTAG_MASK 0x7F00 /* Maximum tags (127) */ | |
| 519 | #define NON_TAG_BUSY 0x0080 /* Non tag command active */ | |
| 520 | #define ACTTAG_MASK 0x007F /* Active tags */ | |
| 521 | ||
| 522 | /************************************************************************/ | |
| 523 | /* */ | |
| 524 | /* The DMA register offset for TRM_S1040 */ | |
| 525 | /* */ | |
| 526 | /************************************************************************/ | |
| 527 | #define TRM_S1040_DMA_COMMAND 0xA0 /* DMA Command (R/W) */ | |
| 528 | #define DMACMD_SG 0x02 /* Enable HW S/G support */ | |
| 529 | #define DMACMD_DIR 0x01 /* 1 = read from SCSI write to Host */ | |
| 530 | #define XFERDATAIN_SG 0x0103 /* Transfer data in w/ SG */ | |
| 531 | #define XFERDATAOUT_SG 0x0102 /* Transfer data out w/ SG */ | |
| 532 | #define XFERDATAIN 0x0101 /* Transfer data in w/o SG */ | |
| 533 | #define XFERDATAOUT 0x0100 /* Transfer data out w/o SG */ | |
| 534 | ||
| 535 | #define TRM_S1040_DMA_FIFOCNT 0xA1 /* DMA FIFO Counter (R) */ | |
| 536 | ||
| 537 | #define TRM_S1040_DMA_CONTROL 0xA1 /* DMA Control (W) */ | |
| 538 | #define DMARESETMODULE 0x10 /* Reset PCI/DMA module */ | |
| 539 | #define STOPDMAXFER 0x08 /* Stop DMA transfer */ | |
| 540 | #define ABORTXFER 0x04 /* Abort DMA transfer */ | |
| 541 | #define CLRXFIFO 0x02 /* Clear DMA transfer FIFO */ | |
| 542 | #define STARTDMAXFER 0x01 /* Start DMA transfer */ | |
| 543 | ||
| 544 | #define TRM_S1040_DMA_FIFOSTAT 0xA2 /* DMA FIFO Status (R) */ | |
| 545 | ||
| 546 | #define TRM_S1040_DMA_STATUS 0xA3 /* DMA Interrupt Status (R/W) */ | |
| 547 | #define XFERPENDING 0x80 /* Transfer pending */ | |
| 548 | #define SCSIBUSY 0x40 /* SCSI busy */ | |
| 549 | #define GLOBALINT 0x20 /* DMA_INTEN bit 0-4 set */ | |
| 550 | #define FORCEDMACOMP 0x10 /* Force DMA transfer complete */ | |
| 551 | #define DMAXFERERROR 0x08 /* DMA transfer error */ | |
| 552 | #define DMAXFERABORT 0x04 /* DMA transfer abort */ | |
| 553 | #define DMAXFERCOMP 0x02 /* Bus Master XFER Complete status */ | |
| 554 | #define SCSICOMP 0x01 /* SCSI complete interrupt */ | |
| 555 | ||
| 556 | #define TRM_S1040_DMA_INTEN 0xA4 /* DMA Interrupt Enable (R/W) */ | |
| 557 | #define EN_FORCEDMACOMP 0x10 /* Force DMA transfer complete */ | |
| 558 | #define EN_DMAXFERERROR 0x08 /* DMA transfer error */ | |
| 559 | #define EN_DMAXFERABORT 0x04 /* DMA transfer abort */ | |
| 560 | #define EN_DMAXFERCOMP 0x02 /* Bus Master XFER Complete status */ | |
| 561 | #define EN_SCSIINTR 0x01 /* Enable SCSI complete interrupt */ | |
| 562 | ||
| 563 | #define TRM_S1040_DMA_CONFIG 0xA6 /* DMA Configuration (R/W) */ | |
| 564 | #define DMA_ENHANCE 0x8000 /* Enable DMA enhance feature (SG?) */ | |
| 565 | #define DMA_PCI_DUAL_ADDR 0x4000 /* */ | |
| 566 | #define DMA_CFG_RES 0x2000 /* Always 1 */ | |
| 567 | #define DMA_AUTO_CLR_FIFO 0x1000 /* DISable DMA auto clear FIFO */ | |
| 568 | #define DMA_MEM_MULTI_READ 0x0800 /* */ | |
| 569 | #define DMA_MEM_WRITE_INVAL 0x0400 /* Memory write and invalidate */ | |
| 570 | #define DMA_FIFO_CTRL 0x0300 /* Control FIFO operation with DMA */ | |
| 571 | #define DMA_FIFO_HALF_HALF 0x0200 /* Keep half filled on both read/write */ | |
| 572 | ||
| 573 | #define TRM_S1040_DMA_XCNT 0xA8 /* DMA Transfer Counter (R/W), 24bits */ | |
| 574 | #define TRM_S1040_DMA_CXCNT 0xAC /* DMA Current Transfer Counter (R) */ | |
| 575 | #define TRM_S1040_DMA_XLOWADDR 0xB0 /* DMA Transfer Physical Low Address */ | |
| 576 | #define TRM_S1040_DMA_XHIGHADDR 0xB4 /* DMA Transfer Physical High Address */ | |
| 577 | ||
| 578 | /************************************************************************/ | |
| 579 | /* */ | |
| 580 | /* The general register offset for TRM_S1040 */ | |
| 581 | /* */ | |
| 582 | /************************************************************************/ | |
| 583 | #define TRM_S1040_GEN_CONTROL 0xD4 /* Global Control */ | |
| 584 | #define CTRL_LED 0x80 /* Control onboard LED */ | |
| 585 | #define EN_EEPROM 0x10 /* Enable EEPROM programming */ | |
| 586 | #define DIS_TERM 0x08 /* Disable onboard termination */ | |
| 587 | #define AUTOTERM 0x04 /* Enable Auto SCSI terminator */ | |
| 588 | #define LOW8TERM 0x02 /* Enable Lower 8 bit SCSI terminator */ | |
| 589 | #define UP8TERM 0x01 /* Enable Upper 8 bit SCSI terminator */ | |
| 590 | ||
| 591 | #define TRM_S1040_GEN_STATUS 0xD5 /* Global Status */ | |
| 592 | #define GTIMEOUT 0x80 /* Global timer reach 0 */ | |
| 593 | #define EXT68HIGH 0x40 /* Higher 8 bit connected externally */ | |
| 594 | #define INT68HIGH 0x20 /* Higher 8 bit connected internally */ | |
| 595 | #define CON5068 0x10 /* External 50/68 pin connected (low) */ | |
| 596 | #define CON68 0x08 /* Internal 68 pin connected (low) */ | |
| 597 | #define CON50 0x04 /* Internal 50 pin connected (low!) */ | |
| 598 | #define WIDESCSI 0x02 /* Wide SCSI card */ | |
| 599 | #define STATUS_LOAD_DEFAULT 0x01 /* */ | |
| 600 | ||
| 601 | #define TRM_S1040_GEN_NVRAM 0xD6 /* Serial NON-VOLATILE RAM port */ | |
| 602 | #define NVR_BITOUT 0x08 /* Serial data out */ | |
| 603 | #define NVR_BITIN 0x04 /* Serial data in */ | |
| 604 | #define NVR_CLOCK 0x02 /* Serial clock */ | |
| 605 | #define NVR_SELECT 0x01 /* Serial select */ | |
| 606 | ||
| 607 | #define TRM_S1040_GEN_EDATA 0xD7 /* Parallel EEPROM data port */ | |
| 608 | #define TRM_S1040_GEN_EADDRESS 0xD8 /* Parallel EEPROM address */ | |
| 609 | #define TRM_S1040_GEN_TIMER 0xDB /* Global timer */ | |
| 610 | ||
| 611 | /************************************************************************/ | |
| 612 | /* */ | |
| 613 | /* NvmTarCfg0: Target configuration byte 0 :..pDCB->DevMode */ | |
| 614 | /* */ | |
| 615 | /************************************************************************/ | |
| 616 | #define NTC_DO_WIDE_NEGO 0x20 /* Wide negotiate */ | |
| 617 | #define NTC_DO_TAG_QUEUEING 0x10 /* Enable SCSI tag queuing */ | |
| 618 | #define NTC_DO_SEND_START 0x08 /* Send start command SPINUP */ | |
| 619 | #define NTC_DO_DISCONNECT 0x04 /* Enable SCSI disconnect */ | |
| 620 | #define NTC_DO_SYNC_NEGO 0x02 /* Sync negotiation */ | |
| 25985edc | 621 | #define NTC_DO_PARITY_CHK 0x01 /* (it should define at NAC) */ |
| 1da177e4 LT |
622 | /* Parity check enable */ |
| 623 | ||
| 624 | /************************************************************************/ | |
| 625 | /* */ | |
| 626 | /* Nvram Initiater bits definition */ | |
| 627 | /* */ | |
| 628 | /************************************************************************/ | |
| 629 | #if 0 | |
| 630 | #define MORE2_DRV BIT0 | |
| 631 | #define GREATER_1G BIT1 | |
| 632 | #define RST_SCSI_BUS BIT2 | |
| 633 | #define ACTIVE_NEGATION BIT3 | |
| 634 | #define NO_SEEK BIT4 | |
| 635 | #define LUN_CHECK BIT5 | |
| 636 | #endif | |
| 637 | ||
| 638 | /************************************************************************/ | |
| 639 | /* */ | |
| 640 | /* Nvram Adapter Cfg bits definition */ | |
| 641 | /* */ | |
| 642 | /************************************************************************/ | |
| 643 | #define NAC_SCANLUN 0x20 /* Include LUN as BIOS device */ | |
| 644 | #define NAC_POWERON_SCSI_RESET 0x04 /* Power on reset enable */ | |
| 645 | #define NAC_GREATER_1G 0x02 /* > 1G support enable */ | |
| 646 | #define NAC_GT2DRIVES 0x01 /* Support more than 2 drives */ | |
| 647 | /* #define NAC_DO_PARITY_CHK 0x08 */ /* Parity check enable */ | |
| 648 | ||
| 649 | #endif |