drivers/scsi/initio.h

   1 /**************************************************************************
   2  * Initio 9100 device driver for Linux.
   3  *
   4  * Copyright (c) 1994-1998 Initio Corporation
   5  * All rights reserved.
   6  *
   7  * This program is free software; you can redistribute it and/or modify
   8  * it under the terms of the GNU General Public License as published by
   9  * the Free Software Foundation; either version 2, or (at your option)
  10  * any later version.
  11  *
  12  * This program is distributed in the hope that it will be useful,
  13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15  * GNU General Public License for more details.
  16  *
  17  * You should have received a copy of the GNU General Public License
  18  * along with this program; see the file COPYING.  If not, write to
  19  * the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
  20  *
  21  * --------------------------------------------------------------------------
  22  *
  23  * Redistribution and use in source and binary forms, with or without
  24  * modification, are permitted provided that the following conditions
  25  * are met:
  26  * 1. Redistributions of source code must retain the above copyright
  27  *    notice, this list of conditions, and the following disclaimer,
  28  *    without modification, immediately at the beginning of the file.
  29  * 2. Redistributions in binary form must reproduce the above copyright
  30  *    notice, this list of conditions and the following disclaimer in the
  31  *    documentation and/or other materials provided with the distribution.
  32  * 3. The name of the author may not be used to endorse or promote products
  33  *    derived from this software without specific prior written permission.
  34  *
  35  * Where this Software is combined with software released under the terms of
  36  * the GNU General Public License ("GPL") and the terms of the GPL would require the
  37  * combined work to also be released under the terms of the GPL, the terms
  38  * and conditions of this License will apply in addition to those of the
  39  * GPL with the exception of any terms or conditions of this License that
  40  * conflict with, or are expressly prohibited by, the GPL.
  41  *
  42  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
  43  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  44  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  45  * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR
  46  * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  47  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  48  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  49  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  50  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  51  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  52  * SUCH DAMAGE.
  53  *
  54  **************************************************************************/
  55
  56
  57 #include <linux/config.h>
  58 #include <linux/types.h>
  59
  60 #define ULONG   unsigned long
  61 #define USHORT  unsigned short
  62 #define UCHAR   unsigned char
  63 #define BYTE    unsigned char
  64 #define WORD    unsigned short
  65 #define DWORD   unsigned long
  66 #define UBYTE   unsigned char
  67 #define UWORD   unsigned short
  68 #define UDWORD  unsigned long
  69 #define U32     u32
  70
  71 #define TOTAL_SG_ENTRY          32
  72 #define MAX_SUPPORTED_ADAPTERS  8
  73 #define MAX_OFFSET              15
  74 #define MAX_TARGETS             16
  75
  76 typedef struct {
  77         unsigned short base;
  78         unsigned short vec;
  79 } i91u_config;
  80
  81 /***************************************/
  82 /*  Tulip Configuration Register Set */
  83 /***************************************/
  84 #define TUL_PVID        0x00    /* Vendor ID                    */
  85 #define TUL_PDID        0x02    /* Device ID                    */
  86 #define TUL_PCMD        0x04    /* Command                      */
  87 #define TUL_PSTUS       0x06    /* Status                       */
  88 #define TUL_PRID        0x08    /* Revision number              */
  89 #define TUL_PPI         0x09    /* Programming interface        */
  90 #define TUL_PSC         0x0A    /* Sub Class                    */
  91 #define TUL_PBC         0x0B    /* Base Class                   */
  92 #define TUL_PCLS        0x0C    /* Cache line size              */
  93 #define TUL_PLTR        0x0D    /* Latency timer                */
  94 #define TUL_PHDT        0x0E    /* Header type                  */
  95 #define TUL_PBIST       0x0F    /* BIST                         */
  96 #define TUL_PBAD        0x10    /* Base address                 */
  97 #define TUL_PBAD1       0x14    /* Base address                 */
  98 #define TUL_PBAD2       0x18    /* Base address                 */
  99 #define TUL_PBAD3       0x1C    /* Base address                 */
 100 #define TUL_PBAD4       0x20    /* Base address                 */
 101 #define TUL_PBAD5       0x24    /* Base address                 */
 102 #define TUL_PRSVD       0x28    /* Reserved                     */
 103 #define TUL_PRSVD1      0x2C    /* Reserved                     */
 104 #define TUL_PRAD        0x30    /* Expansion ROM base address   */
 105 #define TUL_PRSVD2      0x34    /* Reserved                     */
 106 #define TUL_PRSVD3      0x38    /* Reserved                     */
 107 #define TUL_PINTL       0x3C    /* Interrupt line               */
 108 #define TUL_PINTP       0x3D    /* Interrupt pin                */
 109 #define TUL_PIGNT       0x3E    /* MIN_GNT                      */
 110 #define TUL_PMGNT       0x3F    /* MAX_GNT                      */
 111
 112 /************************/
 113 /*  Jasmin Register Set */
 114 /************************/
 115 #define TUL_HACFG0      0x40    /* H/A Configuration Register 0         */
 116 #define TUL_HACFG1      0x41    /* H/A Configuration Register 1         */
 117 #define TUL_HACFG2      0x42    /* H/A Configuration Register 2         */
 118
 119 #define TUL_SDCFG0      0x44    /* SCSI Device Configuration 0          */
 120 #define TUL_SDCFG1      0x45    /* SCSI Device Configuration 1          */
 121 #define TUL_SDCFG2      0x46    /* SCSI Device Configuration 2          */
 122 #define TUL_SDCFG3      0x47    /* SCSI Device Configuration 3          */
 123
 124 #define TUL_GINTS       0x50    /* Global Interrupt Status Register     */
 125 #define TUL_GIMSK       0x52    /* Global Interrupt MASK Register       */
 126 #define TUL_GCTRL       0x54    /* Global Control Register              */
 127 #define TUL_GCTRL_EEPROM_BIT    0x04
 128 #define TUL_GCTRL1      0x55    /* Global Control Register              */
 129 #define TUL_DMACFG      0x5B    /* DMA configuration                    */
 130 #define TUL_NVRAM       0x5D    /* Non-volatile RAM port                */
 131
 132 #define TUL_SCnt0       0x80    /* 00 R/W Transfer Counter Low          */
 133 #define TUL_SCnt1       0x81    /* 01 R/W Transfer Counter Mid          */
 134 #define TUL_SCnt2       0x82    /* 02 R/W Transfer Count High           */
 135 #define TUL_SFifoCnt    0x83    /* 03 R   FIFO counter                  */
 136 #define TUL_SIntEnable  0x84    /* 03 W   Interrupt enble               */
 137 #define TUL_SInt        0x84    /* 04 R   Interrupt Register            */
 138 #define TUL_SCtrl0      0x85    /* 05 W   Control 0                     */
 139 #define TUL_SStatus0    0x85    /* 05 R   Status 0                      */
 140 #define TUL_SCtrl1      0x86    /* 06 W   Control 1                     */
 141 #define TUL_SStatus1    0x86    /* 06 R   Status 1                      */
 142 #define TUL_SConfig     0x87    /* 07 W   Configuration                 */
 143 #define TUL_SStatus2    0x87    /* 07 R   Status 2                      */
 144 #define TUL_SPeriod     0x88    /* 08 W   Sync. Transfer Period & Offset */
 145 #define TUL_SOffset     0x88    /* 08 R   Offset                        */
 146 #define TUL_SScsiId     0x89    /* 09 W   SCSI ID                       */
 147 #define TUL_SBusId      0x89    /* 09 R   SCSI BUS ID                   */
 148 #define TUL_STimeOut    0x8A    /* 0A W   Sel/Resel Time Out Register   */
 149 #define TUL_SIdent      0x8A    /* 0A R   Identify Message Register     */
 150 #define TUL_SAvail      0x8A    /* 0A R   Availiable Counter Register   */
 151 #define TUL_SData       0x8B    /* 0B R/W SCSI data in/out              */
 152 #define TUL_SFifo       0x8C    /* 0C R/W FIFO                          */
 153 #define TUL_SSignal     0x90    /* 10 R/W SCSI signal in/out            */
 154 #define TUL_SCmd        0x91    /* 11 R/W Command                       */
 155 #define TUL_STest0      0x92    /* 12 R/W Test0                         */
 156 #define TUL_STest1      0x93    /* 13 R/W Test1                         */
 157 #define TUL_SCFG1       0x94    /* 14 R/W Configuration                 */
 158
 159 #define TUL_XAddH       0xC0    /*DMA Transfer Physical Address         */
 160 #define TUL_XAddW       0xC8    /*DMA Current Transfer Physical Address */
 161 #define TUL_XCntH       0xD0    /*DMA Transfer Counter                  */
 162 #define TUL_XCntW       0xD4    /*DMA Current Transfer Counter          */
 163 #define TUL_XCmd        0xD8    /*DMA Command Register                  */
 164 #define TUL_Int         0xDC    /*Interrupt Register                    */
 165 #define TUL_XStatus     0xDD    /*DMA status Register                   */
 166 #define TUL_Mask        0xE0    /*Interrupt Mask Register               */
 167 #define TUL_XCtrl       0xE4    /*DMA Control Register                  */
 168 #define TUL_XCtrl1      0xE5    /*DMA Control Register 1                */
 169 #define TUL_XFifo       0xE8    /*DMA FIFO                              */
 170
 171 #define TUL_WCtrl       0xF7    /*Bus master wait state control         */
 172 #define TUL_DCtrl       0xFB    /*DMA delay control                     */
 173
 174 /*----------------------------------------------------------------------*/
 175 /*   bit definition for Command register of Configuration Space Header  */
 176 /*----------------------------------------------------------------------*/
 177 #define BUSMS           0x04    /* BUS MASTER Enable                    */
 178 #define IOSPA           0x01    /* IO Space Enable                      */
 179
 180 /*----------------------------------------------------------------------*/
 181 /* Command Codes of Tulip SCSI Command register                         */
 182 /*----------------------------------------------------------------------*/
 183 #define TSC_EN_RESEL    0x80    /* Enable Reselection                   */
 184 #define TSC_CMD_COMP    0x84    /* Command Complete Sequence            */
 185 #define TSC_SEL         0x01    /* Select Without ATN Sequence          */
 186 #define TSC_SEL_ATN     0x11    /* Select With ATN Sequence             */
 187 #define TSC_SEL_ATN_DMA 0x51    /* Select With ATN Sequence with DMA    */
 188 #define TSC_SEL_ATN3    0x31    /* Select With ATN3 Sequence            */
 189 #define TSC_SEL_ATNSTOP 0x12    /* Select With ATN and Stop Sequence    */
 190 #define TSC_SELATNSTOP  0x1E    /* Select With ATN and Stop Sequence    */
 191
 192 #define TSC_SEL_ATN_DIRECT_IN   0x95    /* Select With ATN Sequence     */
 193 #define TSC_SEL_ATN_DIRECT_OUT  0x15    /* Select With ATN Sequence     */
 194 #define TSC_SEL_ATN3_DIRECT_IN  0xB5    /* Select With ATN3 Sequence    */
 195 #define TSC_SEL_ATN3_DIRECT_OUT 0x35    /* Select With ATN3 Sequence    */
 196 #define TSC_XF_DMA_OUT_DIRECT   0x06    /* DMA Xfer Infomation out      */
 197 #define TSC_XF_DMA_IN_DIRECT    0x86    /* DMA Xfer Infomation in       */
 198
 199 #define TSC_XF_DMA_OUT  0x43    /* DMA Xfer Infomation out              */
 200 #define TSC_XF_DMA_IN   0xC3    /* DMA Xfer Infomation in               */
 201 #define TSC_XF_FIFO_OUT 0x03    /* FIFO Xfer Infomation out             */
 202 #define TSC_XF_FIFO_IN  0x83    /* FIFO Xfer Infomation in              */
 203
 204 #define TSC_MSG_ACCEPT  0x0F    /* Message Accept                       */
 205
 206 /*----------------------------------------------------------------------*/
 207 /* bit definition for Tulip SCSI Control 0 Register                     */
 208 /*----------------------------------------------------------------------*/
 209 #define TSC_RST_SEQ     0x20    /* Reset sequence counter               */
 210 #define TSC_FLUSH_FIFO  0x10    /* Flush FIFO                           */
 211 #define TSC_ABT_CMD     0x04    /* Abort command (sequence)             */
 212 #define TSC_RST_CHIP    0x02    /* Reset SCSI Chip                      */
 213 #define TSC_RST_BUS     0x01    /* Reset SCSI Bus                       */
 214
 215 /*----------------------------------------------------------------------*/
 216 /* bit definition for Tulip SCSI Control 1 Register                     */
 217 /*----------------------------------------------------------------------*/
 218 #define TSC_EN_SCAM     0x80    /* Enable SCAM                          */
 219 #define TSC_TIMER       0x40    /* Select timeout unit                  */
 220 #define TSC_EN_SCSI2    0x20    /* SCSI-2 mode                          */
 221 #define TSC_PWDN        0x10    /* Power down mode                      */
 222 #define TSC_WIDE_CPU    0x08    /* Wide CPU                             */
 223 #define TSC_HW_RESELECT 0x04    /* Enable HW reselect                   */
 224 #define TSC_EN_BUS_OUT  0x02    /* Enable SCSI data bus out latch       */
 225 #define TSC_EN_BUS_IN   0x01    /* Enable SCSI data bus in latch        */
 226
 227 /*----------------------------------------------------------------------*/
 228 /* bit definition for Tulip SCSI Configuration Register                 */
 229 /*----------------------------------------------------------------------*/
 230 #define TSC_EN_LATCH    0x80    /* Enable phase latch                   */
 231 #define TSC_INITIATOR   0x40    /* Initiator mode                       */
 232 #define TSC_EN_SCSI_PAR 0x20    /* Enable SCSI parity                   */
 233 #define TSC_DMA_8BIT    0x10    /* Alternate dma 8-bits mode            */
 234 #define TSC_DMA_16BIT   0x08    /* Alternate dma 16-bits mode           */
 235 #define TSC_EN_WDACK    0x04    /* Enable DACK while wide SCSI xfer     */
 236 #define TSC_ALT_PERIOD  0x02    /* Alternate sync period mode           */
 237 #define TSC_DIS_SCSIRST 0x01    /* Disable SCSI bus reset us            */
 238
 239 #define TSC_INITDEFAULT (TSC_INITIATOR | TSC_EN_LATCH | TSC_ALT_PERIOD | TSC_DIS_SCSIRST)
 240
 241 #define TSC_WIDE_SCSI   0x80    /* Enable Wide SCSI                     */
 242
 243 /*----------------------------------------------------------------------*/
 244 /* bit definition for Tulip SCSI signal Register                        */
 245 /*----------------------------------------------------------------------*/
 246 #define TSC_RST_ACK     0x00    /* Release ACK signal                   */
 247 #define TSC_RST_ATN     0x00    /* Release ATN signal                   */
 248 #define TSC_RST_BSY     0x00    /* Release BSY signal                   */
 249
 250 #define TSC_SET_ACK     0x40    /* ACK signal                           */
 251 #define TSC_SET_ATN     0x08    /* ATN signal                           */
 252
 253 #define TSC_REQI        0x80    /* REQ signal                           */
 254 #define TSC_ACKI        0x40    /* ACK signal                           */
 255 #define TSC_BSYI        0x20    /* BSY signal                           */
 256 #define TSC_SELI        0x10    /* SEL signal                           */
 257 #define TSC_ATNI        0x08    /* ATN signal                           */
 258 #define TSC_MSGI        0x04    /* MSG signal                           */
 259 #define TSC_CDI         0x02    /* C/D signal                           */
 260 #define TSC_IOI         0x01    /* I/O signal                           */
 261
 262
 263 /*----------------------------------------------------------------------*/
 264 /* bit definition for Tulip SCSI Status 0 Register                      */
 265 /*----------------------------------------------------------------------*/
 266 #define TSS_INT_PENDING 0x80    /* Interrupt pending            */
 267 #define TSS_SEQ_ACTIVE  0x40    /* Sequencer active             */
 268 #define TSS_XFER_CNT    0x20    /* Transfer counter zero        */
 269 #define TSS_FIFO_EMPTY  0x10    /* FIFO empty                   */
 270 #define TSS_PAR_ERROR   0x08    /* SCSI parity error            */
 271 #define TSS_PH_MASK     0x07    /* SCSI phase mask              */
 272
 273 /*----------------------------------------------------------------------*/
 274 /* bit definition for Tulip SCSI Status 1 Register                      */
 275 /*----------------------------------------------------------------------*/
 276 #define TSS_STATUS_RCV  0x08    /* Status received              */
 277 #define TSS_MSG_SEND    0x40    /* Message sent                 */
 278 #define TSS_CMD_PH_CMP  0x20    /* command phase done              */
 279 #define TSS_DATA_PH_CMP 0x10    /* Data phase done              */
 280 #define TSS_STATUS_SEND 0x08    /* Status sent                  */
 281 #define TSS_XFER_CMP    0x04    /* Transfer completed           */
 282 #define TSS_SEL_CMP     0x02    /* Selection completed          */
 283 #define TSS_ARB_CMP     0x01    /* Arbitration completed        */
 284
 285 /*----------------------------------------------------------------------*/
 286 /* bit definition for Tulip SCSI Status 2 Register                      */
 287 /*----------------------------------------------------------------------*/
 288 #define TSS_CMD_ABTED   0x80    /* Command aborted              */
 289 #define TSS_OFFSET_0    0x40    /* Offset counter zero          */
 290 #define TSS_FIFO_FULL   0x20    /* FIFO full                    */
 291 #define TSS_TIMEOUT_0   0x10    /* Timeout counter zero         */
 292 #define TSS_BUSY_RLS    0x08    /* Busy release                 */
 293 #define TSS_PH_MISMATCH 0x04    /* Phase mismatch               */
 294 #define TSS_SCSI_BUS_EN 0x02    /* SCSI data bus enable         */
 295 #define TSS_SCSIRST     0x01    /* SCSI bus reset in progress   */
 296
 297 /*----------------------------------------------------------------------*/
 298 /* bit definition for Tulip SCSI Interrupt Register                     */
 299 /*----------------------------------------------------------------------*/
 300 #define TSS_RESEL_INT   0x80    /* Reselected interrupt         */
 301 #define TSS_SEL_TIMEOUT 0x40    /* Selected/reselected timeout  */
 302 #define TSS_BUS_SERV    0x20
 303 #define TSS_SCSIRST_INT 0x10    /* SCSI bus reset detected      */
 304 #define TSS_DISC_INT    0x08    /* Disconnected interrupt       */
 305 #define TSS_SEL_INT     0x04    /* Select interrupt             */
 306 #define TSS_SCAM_SEL    0x02    /* SCAM selected                */
 307 #define TSS_FUNC_COMP   0x01
 308
 309 /*----------------------------------------------------------------------*/
 310 /* SCSI Phase Codes.                                                    */
 311 /*----------------------------------------------------------------------*/
 312 #define DATA_OUT        0
 313 #define DATA_IN         1       /* 4                            */
 314 #define CMD_OUT         2
 315 #define STATUS_IN       3       /* 6                            */
 316 #define MSG_OUT         6       /* 3                            */
 317 #define MSG_IN          7
 318
 319
 320
 321 /*----------------------------------------------------------------------*/
 322 /* Command Codes of Tulip xfer Command register                         */
 323 /*----------------------------------------------------------------------*/
 324 #define TAX_X_FORC      0x02
 325 #define TAX_X_ABT       0x04
 326 #define TAX_X_CLR_FIFO  0x08
 327
 328 #define TAX_X_IN        0x21
 329 #define TAX_X_OUT       0x01
 330 #define TAX_SG_IN       0xA1
 331 #define TAX_SG_OUT      0x81
 332
 333 /*----------------------------------------------------------------------*/
 334 /* Tulip Interrupt Register                                             */
 335 /*----------------------------------------------------------------------*/
 336 #define XCMP            0x01
 337 #define FCMP            0x02
 338 #define XABT            0x04
 339 #define XERR            0x08
 340 #define SCMP            0x10
 341 #define IPEND           0x80
 342
 343 /*----------------------------------------------------------------------*/
 344 /* Tulip DMA Status Register                                            */
 345 /*----------------------------------------------------------------------*/
 346 #define XPEND           0x01    /* Transfer pending             */
 347 #define FEMPTY          0x02    /* FIFO empty                   */
 348
 349
 350
 351 /*----------------------------------------------------------------------*/
 352 /* bit definition for TUL_GCTRL                                         */
 353 /*----------------------------------------------------------------------*/
 354 #define EXTSG           0x80
 355 #define EXTAD           0x60
 356 #define SEG4K           0x08
 357 #define EEPRG           0x04
 358 #define MRMUL           0x02
 359
 360 /*----------------------------------------------------------------------*/
 361 /* bit definition for TUL_NVRAM                                         */
 362 /*----------------------------------------------------------------------*/
 363 #define SE2CS           0x08
 364 #define SE2CLK          0x04
 365 #define SE2DO           0x02
 366 #define SE2DI           0x01
 367
 368
 369 /************************************************************************/
 370 /*              Scatter-Gather Element Structure                        */
 371 /************************************************************************/
 372 typedef struct SG_Struc {
 373         U32 SG_Ptr;             /* Data Pointer */
 374         U32 SG_Len;             /* Data Length */
 375 } SG;
 376
 377 /***********************************************************************
 378                 SCSI Control Block
 379 ************************************************************************/
 380 typedef struct Scsi_Ctrl_Blk {
 381         struct Scsi_Ctrl_Blk *SCB_NxtScb;
 382         UBYTE SCB_Status;       /*4 */
 383         UBYTE SCB_NxtStat;      /*5 */
 384         UBYTE SCB_Mode;         /*6 */
 385         UBYTE SCB_Msgin;        /*7 SCB_Res0 */
 386         UWORD SCB_SGIdx;        /*8 */
 387         UWORD SCB_SGMax;        /*A */
 388 #ifdef ALPHA
 389         U32 SCB_Reserved[2];    /*C */
 390 #else
 391         U32 SCB_Reserved[3];    /*C */
 392 #endif
 393
 394         U32 SCB_XferLen;        /*18 Current xfer len           */
 395         U32 SCB_TotXLen;        /*1C Total xfer len             */
 396         U32 SCB_PAddr;          /*20 SCB phy. Addr. */
 397
 398         UBYTE SCB_Opcode;       /*24 SCB command code */
 399         UBYTE SCB_Flags;        /*25 SCB Flags */
 400         UBYTE SCB_Target;       /*26 Target Id */
 401         UBYTE SCB_Lun;          /*27 Lun */
 402         U32 SCB_BufPtr;         /*28 Data Buffer Pointer */
 403         U32 SCB_BufLen;         /*2C Data Allocation Length */
 404         UBYTE SCB_SGLen;        /*30 SG list # */
 405         UBYTE SCB_SenseLen;     /*31 Sense Allocation Length */
 406         UBYTE SCB_HaStat;       /*32 */
 407         UBYTE SCB_TaStat;       /*33 */
 408         UBYTE SCB_CDBLen;       /*34 CDB Length */
 409         UBYTE SCB_Ident;        /*35 Identify */
 410         UBYTE SCB_TagMsg;       /*36 Tag Message */
 411         UBYTE SCB_TagId;        /*37 Queue Tag */
 412         UBYTE SCB_CDB[12];      /*38 */
 413         U32 SCB_SGPAddr;        /*44 SG List/Sense Buf phy. Addr. */
 414         U32 SCB_SensePtr;       /*48 Sense data pointer */
 415         void (*SCB_Post) (BYTE *, BYTE *);      /*4C POST routine */
 416         struct scsi_cmnd *SCB_Srb;      /*50 SRB Pointer */
 417         SG SCB_SGList[TOTAL_SG_ENTRY];  /*54 Start of SG list */
 418 } SCB;
 419
 420 /* Bit Definition for SCB_Status */
 421 #define SCB_RENT        0x01
 422 #define SCB_PEND        0x02
 423 #define SCB_CONTIG      0x04    /* Contigent Allegiance */
 424 #define SCB_SELECT      0x08
 425 #define SCB_BUSY        0x10
 426 #define SCB_DONE        0x20
 427
 428
 429 /* Opcodes of SCB_Opcode */
 430 #define ExecSCSI        0x1
 431 #define BusDevRst       0x2
 432 #define AbortCmd        0x3
 433
 434
 435 /* Bit Definition for SCB_Mode */
 436 #define SCM_RSENS       0x01    /* request sense mode */
 437
 438
 439 /* Bit Definition for SCB_Flags */
 440 #define SCF_DONE        0x01
 441 #define SCF_POST        0x02
 442 #define SCF_SENSE       0x04
 443 #define SCF_DIR         0x18
 444 #define SCF_NO_DCHK     0x00
 445 #define SCF_DIN         0x08
 446 #define SCF_DOUT        0x10
 447 #define SCF_NO_XF       0x18
 448 #define SCF_WR_VF       0x20    /* Write verify turn on         */
 449 #define SCF_POLL        0x40
 450 #define SCF_SG          0x80
 451
 452 /* Error Codes for SCB_HaStat */
 453 #define HOST_SEL_TOUT   0x11
 454 #define HOST_DO_DU      0x12
 455 #define HOST_BUS_FREE   0x13
 456 #define HOST_BAD_PHAS   0x14
 457 #define HOST_INV_CMD    0x16
 458 #define HOST_ABORTED    0x1A    /* 07/21/98 */
 459 #define HOST_SCSI_RST   0x1B
 460 #define HOST_DEV_RST    0x1C
 461
 462 /* Error Codes for SCB_TaStat */
 463 #define TARGET_CHKCOND  0x02
 464 #define TARGET_BUSY     0x08
 465 #define INI_QUEUE_FULL  0x28
 466
 467 /* SCSI MESSAGE */
 468 #define MSG_COMP        0x00
 469 #define MSG_EXTEND      0x01
 470 #define MSG_SDP         0x02
 471 #define MSG_RESTORE     0x03
 472 #define MSG_DISC        0x04
 473 #define MSG_IDE         0x05
 474 #define MSG_ABORT       0x06
 475 #define MSG_REJ         0x07
 476 #define MSG_NOP         0x08
 477 #define MSG_PARITY      0x09
 478 #define MSG_LINK_COMP   0x0A
 479 #define MSG_LINK_FLAG   0x0B
 480 #define MSG_DEVRST      0x0C
 481 #define MSG_ABORT_TAG   0x0D
 482
 483 /* Queue tag msg: Simple_quque_tag, Head_of_queue_tag, Ordered_queue_tag */
 484 #define MSG_STAG        0x20
 485 #define MSG_HTAG        0x21
 486 #define MSG_OTAG        0x22
 487
 488 #define MSG_IGNOREWIDE  0x23
 489
 490 #define MSG_IDENT   0x80
 491
 492 /***********************************************************************
 493                 Target Device Control Structure
 494 **********************************************************************/
 495
 496 typedef struct Tar_Ctrl_Struc {
 497         UWORD TCS_Flags;        /* 0 */
 498         UBYTE TCS_JS_Period;    /* 2 */
 499         UBYTE TCS_SConfig0;     /* 3 */
 500
 501         UWORD TCS_DrvFlags;     /* 4 */
 502         UBYTE TCS_DrvHead;      /* 6 */
 503         UBYTE TCS_DrvSector;    /* 7 */
 504 } TCS;
 505
 506 /***********************************************************************
 507                 Target Device Control Structure
 508 **********************************************************************/
 509
 510 /* Bit Definition for TCF_Flags */
 511 #define TCF_SCSI_RATE           0x0007
 512 #define TCF_EN_DISC             0x0008
 513 #define TCF_NO_SYNC_NEGO        0x0010
 514 #define TCF_NO_WDTR             0x0020
 515 #define TCF_EN_255              0x0040
 516 #define TCF_EN_START            0x0080
 517 #define TCF_WDTR_DONE           0x0100
 518 #define TCF_SYNC_DONE           0x0200
 519 #define TCF_BUSY                0x0400
 520
 521
 522 /* Bit Definition for TCF_DrvFlags */
 523 #define TCF_DRV_BUSY            0x01    /* Indicate target busy(driver) */
 524 #define TCF_DRV_EN_TAG          0x0800
 525 #define TCF_DRV_255_63          0x0400
 526
 527 typedef struct I91u_Adpt_Struc {
 528         UWORD ADPT_BIOS;        /* 0 */
 529         UWORD ADPT_BASE;        /* 1 */
 530         UBYTE ADPT_Bus;         /* 2 */
 531         UBYTE ADPT_Device;      /* 3 */
 532         UBYTE ADPT_INTR;        /* 4 */
 533 } INI_ADPT_STRUCT;
 534
 535
 536 /***********************************************************************
 537               Host Adapter Control Structure
 538 ************************************************************************/
 539 typedef struct Ha_Ctrl_Struc {
 540         UWORD HCS_Base;         /* 00 */
 541         UWORD HCS_BIOS;         /* 02 */
 542         UBYTE HCS_Intr;         /* 04 */
 543         UBYTE HCS_SCSI_ID;      /* 05 */
 544         UBYTE HCS_MaxTar;       /* 06 */
 545         UBYTE HCS_NumScbs;      /* 07 */
 546
 547         UBYTE HCS_Flags;        /* 08 */
 548         UBYTE HCS_Index;        /* 09 */
 549         UBYTE HCS_HaId;         /* 0A */
 550         UBYTE HCS_Config;       /* 0B */
 551         UWORD HCS_IdMask;       /* 0C */
 552         UBYTE HCS_Semaph;       /* 0E */
 553         UBYTE HCS_Phase;        /* 0F */
 554         UBYTE HCS_JSStatus0;    /* 10 */
 555         UBYTE HCS_JSInt;        /* 11 */
 556         UBYTE HCS_JSStatus1;    /* 12 */
 557         UBYTE HCS_SConf1;       /* 13 */
 558
 559         UBYTE HCS_Msg[8];       /* 14 */
 560         SCB *HCS_NxtAvail;      /* 1C */
 561         SCB *HCS_Scb;           /* 20 */
 562         SCB *HCS_ScbEnd;        /* 24 */
 563         SCB *HCS_NxtPend;       /* 28 */
 564         SCB *HCS_NxtContig;     /* 2C */
 565         SCB *HCS_ActScb;        /* 30 */
 566         TCS *HCS_ActTcs;        /* 34 */
 567
 568         SCB *HCS_FirstAvail;    /* 38 */
 569         SCB *HCS_LastAvail;     /* 3C */
 570         SCB *HCS_FirstPend;     /* 40 */
 571         SCB *HCS_LastPend;      /* 44 */
 572         SCB *HCS_FirstBusy;     /* 48 */
 573         SCB *HCS_LastBusy;      /* 4C */
 574         SCB *HCS_FirstDone;     /* 50 */
 575         SCB *HCS_LastDone;      /* 54 */
 576         UBYTE HCS_MaxTags[16];  /* 58 */
 577         UBYTE HCS_ActTags[16];  /* 68 */
 578         TCS HCS_Tcs[MAX_TARGETS];       /* 78 */
 579         spinlock_t HCS_AvailLock;
 580         spinlock_t HCS_SemaphLock;
 581         struct pci_dev *pci_dev;
 582 } HCS;
 583
 584 /* Bit Definition for HCB_Config */
 585 #define HCC_SCSI_RESET          0x01
 586 #define HCC_EN_PAR              0x02
 587 #define HCC_ACT_TERM1           0x04
 588 #define HCC_ACT_TERM2           0x08
 589 #define HCC_AUTO_TERM           0x10
 590 #define HCC_EN_PWR              0x80
 591
 592 /* Bit Definition for HCB_Flags */
 593 #define HCF_EXPECT_DISC         0x01
 594 #define HCF_EXPECT_SELECT       0x02
 595 #define HCF_EXPECT_RESET        0x10
 596 #define HCF_EXPECT_DONE_DISC    0x20
 597
 598 /******************************************************************
 599         Serial EEProm
 600 *******************************************************************/
 601
 602 typedef struct _NVRAM_SCSI {    /* SCSI channel configuration   */
 603         UCHAR NVM_ChSCSIID;     /* 0Ch -> Channel SCSI ID       */
 604         UCHAR NVM_ChConfig1;    /* 0Dh -> Channel config 1      */
 605         UCHAR NVM_ChConfig2;    /* 0Eh -> Channel config 2      */
 606         UCHAR NVM_NumOfTarg;    /* 0Fh -> Number of SCSI target */
 607         /* SCSI target configuration    */
 608         UCHAR NVM_Targ0Config;  /* 10h -> Target 0 configuration */
 609         UCHAR NVM_Targ1Config;  /* 11h -> Target 1 configuration */
 610         UCHAR NVM_Targ2Config;  /* 12h -> Target 2 configuration */
 611         UCHAR NVM_Targ3Config;  /* 13h -> Target 3 configuration */
 612         UCHAR NVM_Targ4Config;  /* 14h -> Target 4 configuration */
 613         UCHAR NVM_Targ5Config;  /* 15h -> Target 5 configuration */
 614         UCHAR NVM_Targ6Config;  /* 16h -> Target 6 configuration */
 615         UCHAR NVM_Targ7Config;  /* 17h -> Target 7 configuration */
 616         UCHAR NVM_Targ8Config;  /* 18h -> Target 8 configuration */
 617         UCHAR NVM_Targ9Config;  /* 19h -> Target 9 configuration */
 618         UCHAR NVM_TargAConfig;  /* 1Ah -> Target A configuration */
 619         UCHAR NVM_TargBConfig;  /* 1Bh -> Target B configuration */
 620         UCHAR NVM_TargCConfig;  /* 1Ch -> Target C configuration */
 621         UCHAR NVM_TargDConfig;  /* 1Dh -> Target D configuration */
 622         UCHAR NVM_TargEConfig;  /* 1Eh -> Target E configuration */
 623         UCHAR NVM_TargFConfig;  /* 1Fh -> Target F configuration */
 624 } NVRAM_SCSI;
 625
 626 typedef struct _NVRAM {
 627 /*----------header ---------------*/
 628         USHORT NVM_Signature;   /* 0,1: Signature */
 629         UCHAR NVM_Size;         /* 2:   Size of data structure */
 630         UCHAR NVM_Revision;     /* 3:   Revision of data structure */
 631         /* ----Host Adapter Structure ---- */
 632         UCHAR NVM_ModelByte0;   /* 4:   Model number (byte 0) */
 633         UCHAR NVM_ModelByte1;   /* 5:   Model number (byte 1) */
 634         UCHAR NVM_ModelInfo;    /* 6:   Model information         */
 635         UCHAR NVM_NumOfCh;      /* 7:   Number of SCSI channel */
 636         UCHAR NVM_BIOSConfig1;  /* 8:   BIOS configuration 1  */
 637         UCHAR NVM_BIOSConfig2;  /* 9:   BIOS configuration 2  */
 638         UCHAR NVM_HAConfig1;    /* A:   Hoat adapter configuration 1 */
 639         UCHAR NVM_HAConfig2;    /* B:   Hoat adapter configuration 2 */
 640         NVRAM_SCSI NVM_SCSIInfo[2];
 641         UCHAR NVM_reserved[10];
 642         /* ---------- CheckSum ----------       */
 643         USHORT NVM_CheckSum;    /* 0x3E, 0x3F: Checksum of NVRam        */
 644 } NVRAM, *PNVRAM;
 645
 646 /* Bios Configuration for nvram->BIOSConfig1                            */
 647 #define NBC1_ENABLE             0x01    /* BIOS enable                  */
 648 #define NBC1_8DRIVE             0x02    /* Support more than 2 drives   */
 649 #define NBC1_REMOVABLE          0x04    /* Support removable drive      */
 650 #define NBC1_INT19              0x08    /* Intercept int 19h            */
 651 #define NBC1_BIOSSCAN           0x10    /* Dynamic BIOS scan            */
 652 #define NBC1_LUNSUPPORT         0x40    /* Support LUN                  */
 653
 654 /* HA Configuration Byte 1                                              */
 655 #define NHC1_BOOTIDMASK 0x0F    /* Boot ID number               */
 656 #define NHC1_LUNMASK    0x70    /* Boot LUN number              */
 657 #define NHC1_CHANMASK   0x80    /* Boot Channel number          */
 658
 659 /* Bit definition for nvram->SCSIconfig1                                */
 660 #define NCC1_BUSRESET           0x01    /* Reset SCSI bus at power up   */
 661 #define NCC1_PARITYCHK          0x02    /* SCSI parity enable           */
 662 #define NCC1_ACTTERM1           0x04    /* Enable active terminator 1   */
 663 #define NCC1_ACTTERM2           0x08    /* Enable active terminator 2   */
 664 #define NCC1_AUTOTERM           0x10    /* Enable auto terminator       */
 665 #define NCC1_PWRMGR             0x80    /* Enable power management      */
 666
 667 /* Bit definition for SCSI Target configuration byte                    */
 668 #define NTC_DISCONNECT          0x08    /* Enable SCSI disconnect       */
 669 #define NTC_SYNC                0x10    /* SYNC_NEGO                    */
 670 #define NTC_NO_WDTR             0x20    /* SYNC_NEGO                    */
 671 #define NTC_1GIGA               0x40    /* 255 head / 63 sectors (64/32) */
 672 #define NTC_SPINUP              0x80    /* Start disk drive             */
 673
 674 /*      Default NVRam values                                            */
 675 #define INI_SIGNATURE           0xC925
 676 #define NBC1_DEFAULT            (NBC1_ENABLE)
 677 #define NCC1_DEFAULT            (NCC1_BUSRESET | NCC1_AUTOTERM | NCC1_PARITYCHK)
 678 #define NTC_DEFAULT             (NTC_NO_WDTR | NTC_1GIGA | NTC_DISCONNECT)
 679
 680 /* SCSI related definition                                              */
 681 #define DISC_NOT_ALLOW          0x80    /* Disconnect is not allowed    */
 682 #define DISC_ALLOW              0xC0    /* Disconnect is allowed        */
 683 #define SCSICMD_RequestSense    0x03
 684
 685 typedef struct _HCSinfo {
 686         ULONG base;
 687         UCHAR vec;
 688         UCHAR bios;             /* High byte of BIOS address */
 689         USHORT BaseAndBios;     /* high byte: pHcsInfo->bios,low byte:pHcsInfo->base */
 690 } HCSINFO;
 691
 692 #define TUL_RD(x,y)             (UCHAR)(inb(  (int)((ULONG)(x+y)) ))
 693 #define TUL_RDLONG(x,y)         (ULONG)(inl((int)((ULONG)(x+y)) ))
 694 #define TUL_WR(     adr,data)   outb( (UCHAR)(data), (int)(adr))
 695 #define TUL_WRSHORT(adr,data)   outw( (UWORD)(data), (int)(adr))
 696 #define TUL_WRLONG( adr,data)   outl( (ULONG)(data), (int)(adr))
 697
 698 #define SCSI_ABORT_SNOOZE 0
 699 #define SCSI_ABORT_SUCCESS 1
 700 #define SCSI_ABORT_PENDING 2
 701 #define SCSI_ABORT_BUSY 3
 702 #define SCSI_ABORT_NOT_RUNNING 4
 703 #define SCSI_ABORT_ERROR 5
 704
 705 #define SCSI_RESET_SNOOZE 0
 706 #define SCSI_RESET_PUNT 1
 707 #define SCSI_RESET_SUCCESS 2
 708 #define SCSI_RESET_PENDING 3
 709 #define SCSI_RESET_WAKEUP 4
 710 #define SCSI_RESET_NOT_RUNNING 5
 711 #define SCSI_RESET_ERROR 6
 712
 713 #define SCSI_RESET_SYNCHRONOUS          0x01
 714 #define SCSI_RESET_ASYNCHRONOUS         0x02
 715 #define SCSI_RESET_SUGGEST_BUS_RESET    0x04
 716 #define SCSI_RESET_SUGGEST_HOST_RESET   0x08
 717
 718 #define SCSI_RESET_BUS_RESET 0x100
 719 #define SCSI_RESET_HOST_RESET 0x200
 720 #define SCSI_RESET_ACTION   0xff
 721
 722 extern void init_i91uAdapter_table(void);
 723 extern int Addi91u_into_Adapter_table(WORD, WORD, BYTE, BYTE, BYTE);
 724 extern int tul_ReturnNumberOfAdapters(void);
 725 extern void get_tulipPCIConfig(HCS * pHCB, int iChannel_index);
 726 extern int init_tulip(HCS * pHCB, SCB * pSCB, int tul_num_scb, BYTE * pbBiosAdr, int reset_time);
 727 extern SCB *tul_alloc_scb(HCS * pHCB);
 728 extern int tul_abort_srb(HCS * pHCB, struct scsi_cmnd * pSRB);
 729 extern void tul_exec_scb(HCS * pHCB, SCB * pSCB);
 730 extern void tul_release_scb(HCS * pHCB, SCB * pSCB);
 731 extern void tul_stop_bm(HCS * pHCB);
 732 extern int tul_reset_scsi(HCS * pCurHcb, int seconds);
 733 extern int tul_isr(HCS * pHCB);
 734 extern int tul_reset(HCS * pHCB, struct scsi_cmnd * pSRB, unsigned char target);
 735 extern int tul_reset_scsi_bus(HCS * pCurHcb);
 736 extern int tul_device_reset(HCS * pCurHcb, struct scsi_cmnd *pSrb,
 737                 unsigned int target, unsigned int ResetFlags);
 738                                 /* ---- EXTERNAL VARIABLES ---- */
 739 extern HCS tul_hcs[];