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[/] [or1k/] [trunk/] [linux/] [linux-2.4/] [drivers/] [scsi/] [i60uscsi.h] - Blame information for rev 1765

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1 1275 phoenix
/**************************************************************************
2
 * Initio A100 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
 * Module: inia100.h
57
 * Description: INI-A100U2W LINUX device driver header
58
 * Revision History:
59
 *      06/18/98 HL, Initial Version 1.02
60
 *      12/19/98 bv, v1.02a Use spinlocks for 2.1.95 and up.
61
 **************************************************************************/
62
 
63
#include <linux/config.h>
64
#include <linux/types.h>
65
 
66
#define ULONG   unsigned long
67
#define PVOID   void *
68
#define USHORT  unsigned short
69
#define UCHAR   unsigned char
70
#define BYTE    unsigned char
71
#define WORD    unsigned short
72
#define DWORD   unsigned long
73
#define UBYTE   unsigned char
74
#define UWORD   unsigned short
75
#define UDWORD  unsigned long
76
#define U32     u32
77
 
78
#ifndef NULL
79
#define NULL     0              /* zero          */
80
#endif
81
#ifndef TRUE
82
#define TRUE     (1)            /* boolean true  */
83
#endif
84
#ifndef FALSE
85
#define FALSE    (0)            /* boolean false */
86
#endif
87
#ifndef FAILURE
88
#define FAILURE  (-1)
89
#endif
90
#if 1
91
#define ORC_MAXQUEUE            245
92
#else
93
#define ORC_MAXQUEUE            25
94
#endif
95
 
96
#define TOTAL_SG_ENTRY          32
97
#define MAX_TARGETS             16
98
#define IMAX_CDB                        15
99
#define SENSE_SIZE              14
100
#define MAX_SUPPORTED_ADAPTERS  4
101
#define SUCCESSFUL              0x00
102
 
103
#define I920_DEVICE_ID  0x0002  /* Initio's inic-950 product ID   */
104
 
105
/************************************************************************/
106
/*              Scatter-Gather Element Structure                        */
107
/************************************************************************/
108
typedef struct ORC_SG_Struc {
109
        U32 SG_Ptr;             /* Data Pointer */
110
        U32 SG_Len;             /* Data Length */
111
} ORC_SG;
112
 
113
typedef struct inia100_Adpt_Struc {
114
        UWORD ADPT_BIOS;        /* 0 */
115
        UWORD ADPT_BASE;        /* 1 */
116
        UBYTE ADPT_Bus;         /* 2 */
117
        UBYTE ADPT_Device;      /* 3 */
118
        UBYTE ADPT_INTR;        /* 4 */
119
} INIA100_ADPT_STRUCT;
120
 
121
 
122
/* SCSI related definition                                              */
123
#define DISC_NOT_ALLOW          0x80    /* Disconnect is not allowed    */
124
#define DISC_ALLOW              0xC0    /* Disconnect is allowed        */
125
 
126
 
127
#define ORC_OFFSET_SCB                  16
128
#define ORC_MAX_SCBS                250
129
#define MAX_CHANNELS       2
130
#define MAX_ESCB_ELE                            64
131
#define TCF_DRV_255_63     0x0400
132
 
133
/********************************************************/
134
/*      Orchid Configuration Register Set               */
135
/********************************************************/
136
#define ORC_PVID        0x00    /* Vendor ID                      */
137
#define ORC_VENDOR_ID   0x1101  /* Orchid vendor ID               */
138
#define ORC_PDID        0x02    /* Device ID                    */
139
#define ORC_DEVICE_ID   0x1060  /* Orchid device ID               */
140
#define ORC_COMMAND     0x04    /* Command                        */
141
#define BUSMS           0x04    /* BUS MASTER Enable              */
142
#define IOSPA           0x01    /* IO Space Enable                */
143
#define ORC_STATUS      0x06    /* Status register                */
144
#define ORC_REVISION    0x08    /* Revision number                */
145
#define ORC_BASE        0x10    /* Base address                   */
146
#define ORC_BIOS        0x50    /* Expansion ROM base address     */
147
#define ORC_INT_NUM     0x3C    /* Interrupt line         */
148
#define ORC_INT_PIN     0x3D    /* Interrupt pin          */
149
 
150
 
151
/********************************************************/
152
/*      Orchid Host Command Set                         */
153
/********************************************************/
154
#define ORC_CMD_NOP             0x00    /* Host command - NOP             */
155
#define ORC_CMD_VERSION         0x01    /* Host command - Get F/W version */
156
#define ORC_CMD_ECHO            0x02    /* Host command - ECHO            */
157
#define ORC_CMD_SET_NVM         0x03    /* Host command - Set NVRAM       */
158
#define ORC_CMD_GET_NVM         0x04    /* Host command - Get NVRAM       */
159
#define ORC_CMD_GET_BUS_STATUS  0x05    /* Host command - Get SCSI bus status */
160
#define ORC_CMD_ABORT_SCB       0x06    /* Host command - Abort SCB       */
161
#define ORC_CMD_ISSUE_SCB       0x07    /* Host command - Issue SCB       */
162
 
163
/********************************************************/
164
/*              Orchid Register Set                     */
165
/********************************************************/
166
#define ORC_GINTS       0xA0    /* Global Interrupt Status        */
167
#define QINT            0x04    /* Reply Queue Interrupt  */
168
#define ORC_GIMSK       0xA1    /* Global Interrupt MASK  */
169
#define MQINT           0x04    /* Mask Reply Queue Interrupt     */
170
#define ORC_GCFG        0xA2    /* Global Configure               */
171
#define EEPRG           0x01    /* Enable EEPROM programming */
172
#define ORC_GSTAT       0xA3    /* Global status          */
173
#define WIDEBUS         0x10    /* Wide SCSI Devices connected    */
174
#define ORC_HDATA       0xA4    /* Host Data                      */
175
#define ORC_HCTRL       0xA5    /* Host Control                   */
176
#define SCSIRST         0x80    /* SCSI bus reset         */
177
#define HDO                     0x40    /* Host data out          */
178
#define HOSTSTOP                0x02    /* Host stop RISC engine  */
179
#define DEVRST          0x01    /* Device reset                   */
180
#define ORC_HSTUS       0xA6    /* Host Status                    */
181
#define HDI                     0x02    /* Host data in                   */
182
#define RREADY          0x01    /* RISC engine is ready to receive */
183
#define ORC_NVRAM       0xA7    /* Nvram port address             */
184
#define SE2CS           0x008
185
#define SE2CLK          0x004
186
#define SE2DO           0x002
187
#define SE2DI           0x001
188
#define ORC_PQUEUE      0xA8    /* Posting queue FIFO             */
189
#define ORC_PQCNT       0xA9    /* Posting queue FIFO Cnt */
190
#define ORC_RQUEUE      0xAA    /* Reply queue FIFO               */
191
#define ORC_RQUEUECNT   0xAB    /* Reply queue FIFO Cnt           */
192
#define ORC_FWBASEADR   0xAC    /* Firmware base address  */
193
 
194
#define ORC_EBIOSADR0 0xB0      /* External Bios address */
195
#define ORC_EBIOSADR1 0xB1      /* External Bios address */
196
#define ORC_EBIOSADR2 0xB2      /* External Bios address */
197
#define ORC_EBIOSDATA 0xB3      /* External Bios address */
198
 
199
#define ORC_SCBSIZE     0xB7    /* SCB size register              */
200
#define ORC_SCBBASE0    0xB8    /* SCB base address 0             */
201
#define ORC_SCBBASE1    0xBC    /* SCB base address 1             */
202
 
203
#define ORC_RISCCTL     0xE0    /* RISC Control                   */
204
#define PRGMRST         0x002
205
#define DOWNLOAD                0x001
206
#define ORC_PRGMCTR0    0xE2    /* RISC program counter           */
207
#define ORC_PRGMCTR1    0xE3    /* RISC program counter           */
208
#define ORC_RISCRAM     0xEC    /* RISC RAM data port 4 bytes     */
209
 
210
typedef struct orc_extended_scb {       /* Extended SCB                 */
211
        ORC_SG ESCB_SGList[TOTAL_SG_ENTRY];     /*0 Start of SG list              */
212
        unsigned char *SCB_Srb; /*50 SRB Pointer */
213
//         Scsi_Cmnd    *SCB_Srb;       /*50 SRB Pointer */
214
} ESCB;
215
 
216
/***********************************************************************
217
                SCSI Control Block
218
************************************************************************/
219
typedef struct orc_scb {        /* Scsi_Ctrl_Blk                */
220
        UBYTE SCB_Opcode;       /*00 SCB command code&residual  */
221
        UBYTE SCB_Flags;        /*01 SCB Flags                  */
222
        UBYTE SCB_Target;       /*02 Target Id                  */
223
        UBYTE SCB_Lun;          /*03 Lun                        */
224
        U32 SCB_Reserved0;      /*04 Reserved for ORCHID must 0 */
225
        U32 SCB_XferLen;        /*08 Data Transfer Length       */
226
        U32 SCB_Reserved1;      /*0C Reserved for ORCHID must 0 */
227
        U32 SCB_SGLen;          /*10 SG list # * 8              */
228
        U32 SCB_SGPAddr;        /*14 SG List Buf physical Addr  */
229
        U32 SCB_SGPAddrHigh;    /*18 SG Buffer high physical Addr */
230
        UBYTE SCB_HaStat;       /*1C Host Status                */
231
        UBYTE SCB_TaStat;       /*1D Target Status              */
232
        UBYTE SCB_Status;       /*1E SCB status                 */
233
        UBYTE SCB_Link;         /*1F Link pointer, default 0xFF */
234
        UBYTE SCB_SenseLen;     /*20 Sense Allocation Length    */
235
        UBYTE SCB_CDBLen;       /*21 CDB Length                 */
236
        UBYTE SCB_Ident;        /*22 Identify                   */
237
        UBYTE SCB_TagMsg;       /*23 Tag Message                */
238
        UBYTE SCB_CDB[IMAX_CDB];        /*24 SCSI CDBs                  */
239
        UBYTE SCB_ScbIdx;       /*3C Index for this ORCSCB      */
240
        U32 SCB_SensePAddr;     /*34 Sense Buffer physical Addr */
241
 
242
        ESCB *SCB_EScb;         /*38 Extended SCB Pointer       */
243
#ifndef ALPHA
244
        UBYTE SCB_Reserved2[4]; /*3E Reserved for Driver use    */
245
#endif
246
} ORC_SCB;
247
 
248
/* Opcodes of ORCSCB_Opcode */
249
#define ORC_EXECSCSI    0x00    /* SCSI initiator command with residual */
250
#define ORC_BUSDEVRST   0x01    /* SCSI Bus Device Reset  */
251
 
252
/* Status of ORCSCB_Status */
253
#define SCB_COMPLETE    0x00    /* SCB request completed  */
254
#define SCB_POST        0x01    /* SCB is posted by the HOST      */
255
 
256
/* Bit Definition for ORCSCB_Flags */
257
#define SCF_DISINT      0x01    /* Disable HOST interrupt */
258
#define SCF_DIR         0x18    /* Direction bits         */
259
#define SCF_NO_DCHK     0x00    /* Direction determined by SCSI   */
260
#define SCF_DIN         0x08    /* From Target to Initiator       */
261
#define SCF_DOUT        0x10    /* From Initiator to Target       */
262
#define SCF_NO_XF       0x18    /* No data transfer               */
263
#define SCF_POLL   0x40
264
 
265
/* Error Codes for ORCSCB_HaStat */
266
#define HOST_SEL_TOUT   0x11
267
#define HOST_DO_DU      0x12
268
#define HOST_BUS_FREE   0x13
269
#define HOST_BAD_PHAS   0x14
270
#define HOST_INV_CMD    0x16
271
#define HOST_SCSI_RST   0x1B
272
#define HOST_DEV_RST    0x1C
273
 
274
 
275
/* Error Codes for ORCSCB_TaStat */
276
#define TARGET_CHK_COND 0x02
277
#define TARGET_BUSY     0x08
278
#define TARGET_TAG_FULL 0x28
279
 
280
 
281
/* Queue tag msg: Simple_quque_tag, Head_of_queue_tag, Ordered_queue_tag */
282
#define MSG_STAG        0x20
283
#define MSG_HTAG        0x21
284
#define MSG_OTAG        0x22
285
 
286
#define MSG_IGNOREWIDE  0x23
287
 
288
#define MSG_IDENT       0x80
289
#define MSG_DISC        0x40    /* Disconnect allowed             */
290
 
291
 
292
/* SCSI MESSAGE */
293
#define MSG_EXTEND      0x01
294
#define MSG_SDP         0x02
295
#define MSG_ABORT       0x06
296
#define MSG_REJ         0x07
297
#define MSG_NOP         0x08
298
#define MSG_PARITY      0x09
299
#define MSG_DEVRST      0x0C
300
#define MSG_STAG        0x20
301
 
302
/***********************************************************************
303
                Target Device Control Structure
304
**********************************************************************/
305
 
306
typedef struct ORC_Tar_Ctrl_Struc {
307
        UBYTE TCS_DrvDASD;      /* 6 */
308
        UBYTE TCS_DrvSCSI;      /* 7 */
309
        UBYTE TCS_DrvHead;      /* 8 */
310
        UWORD TCS_DrvFlags;     /* 4 */
311
        UBYTE TCS_DrvSector;    /* 7 */
312
} ORC_TCS, *PORC_TCS;
313
 
314
/* Bit Definition for TCF_DrvFlags */
315
#define TCS_DF_NODASD_SUPT      0x20    /* Suppress OS/2 DASD Mgr support */
316
#define TCS_DF_NOSCSI_SUPT      0x40    /* Suppress OS/2 SCSI Mgr support */
317
 
318
 
319
/***********************************************************************
320
              Host Adapter Control Structure
321
************************************************************************/
322
typedef struct ORC_Ha_Ctrl_Struc {
323
        USHORT HCS_Base;        /* 00 */
324
        UBYTE HCS_Index;        /* 02 */
325
        UBYTE HCS_Intr;         /* 04 */
326
        UBYTE HCS_SCSI_ID;      /* 06    H/A SCSI ID */
327
        UBYTE HCS_BIOS;         /* 07    BIOS configuration */
328
 
329
        UBYTE HCS_Flags;        /* 0B */
330
        UBYTE HCS_HAConfig1;    /* 1B    SCSI0MAXTags */
331
        UBYTE HCS_MaxTar;       /* 1B    SCSI0MAXTags */
332
 
333
        USHORT HCS_Units;       /* Number of units this adapter  */
334
        USHORT HCS_AFlags;      /* Adapter info. defined flags   */
335
        ULONG HCS_Timeout;      /* Adapter timeout value   */
336
        PVOID HCS_virScbArray;  /* 28 Virtual Pointer to SCB array     */
337
        U32 HCS_physScbArray;   /* Scb Physical address */
338
        PVOID HCS_virEscbArray; /* Virtual pointer to ESCB Scatter list */
339
        U32 HCS_physEscbArray;  /* scatter list Physical address */
340
        UBYTE TargetFlag[16];   /* 30  target configuration, TCF_EN_TAG */
341
        UBYTE MaximumTags[16];  /* 40  ORC_MAX_SCBS */
342
        UBYTE ActiveTags[16][16];       /* 50 */
343
        ORC_TCS HCS_Tcs[16];    /* 28 */
344
        U32 BitAllocFlag[MAX_CHANNELS][8];      /* Max STB is 256, So 256/32 */
345
        spinlock_t BitAllocFlagLock;
346
        ULONG pSRB_head;
347
        ULONG pSRB_tail;
348
        spinlock_t pSRB_lock;
349
} ORC_HCS;
350
 
351
/* Bit Definition for HCS_Flags */
352
 
353
#define HCF_SCSI_RESET  0x01    /* SCSI BUS RESET         */
354
#define HCF_PARITY      0x02    /* parity card                    */
355
#define HCF_LVDS        0x10    /* parity card                    */
356
 
357
/* Bit Definition for TargetFlag */
358
 
359
#define TCF_EN_255          0x08
360
#define TCF_EN_TAG          0x10
361
#define TCF_BUSY              0x20
362
#define TCF_DISCONNECT  0x40
363
#define TCF_SPIN_UP       0x80
364
 
365
/* Bit Definition for HCS_AFlags */
366
#define HCS_AF_IGNORE           0x01    /* Adapter ignore         */
367
#define HCS_AF_DISABLE_RESET    0x10    /* Adapter disable reset  */
368
#define HCS_AF_DISABLE_ADPT     0x80    /* Adapter disable                */
369
 
370
 
371
/*---------------------------------------*/
372
/* TimeOut for RESET to complete (30s)   */
373
/*                                       */
374
/* After a RESET the drive is checked    */
375
/* every 200ms.                          */
376
/*---------------------------------------*/
377
#define DELAYED_RESET_MAX       (30*1000L)
378
#define DELAYED_RESET_INTERVAL  200L
379
 
380
/*----------------------------------------------*/
381
/* TimeOut for IRQ from last interrupt (5s)     */
382
/*----------------------------------------------*/
383
#define IRQ_TIMEOUT_INTERVAL    (5*1000L)
384
 
385
/*----------------------------------------------*/
386
/* Retry Delay interval (200ms)                 */
387
/*----------------------------------------------*/
388
#define DELAYED_RETRY_INTERVAL  200L
389
 
390
#define INQUIRY_SIZE            36
391
#define CAPACITY_SIZE           8
392
#define DEFAULT_SENSE_LEN       14
393
 
394
#define DEVICE_NOT_FOUND        0x86
395
 
396
/*----------------------------------------------*/
397
/* Definition for PCI device                    */
398
/*----------------------------------------------*/
399
#define MAX_PCI_DEVICES 21
400
#define MAX_PCI_BUSES   8
401
 
402
typedef struct Adpt_Struc {
403
        USHORT ADPT_BIOS;       /* 0 */
404
        UBYTE ADPT_BASE;        /* 1 */
405
        UBYTE ADPT_Bus;         /* 2 */
406
        UBYTE ADPT_Device;      /* 3 */
407
        UBYTE ADPT_Reserved[3];
408
} JACS, *PJACS;
409
 
410
typedef struct _NVRAM {
411
/*----------header ---------------*/
412
        UCHAR SubVendorID0;     /* 00 - Sub Vendor ID           */
413
        UCHAR SubVendorID1;     /* 00 - Sub Vendor ID           */
414
        UCHAR SubSysID0;        /* 02 - Sub System ID           */
415
        UCHAR SubSysID1;        /* 02 - Sub System ID           */
416
        UCHAR SubClass;         /* 04 - Sub Class               */
417
        UCHAR VendorID0;        /* 05 - Vendor ID               */
418
        UCHAR VendorID1;        /* 05 - Vendor ID               */
419
        UCHAR DeviceID0;        /* 07 - Device ID               */
420
        UCHAR DeviceID1;        /* 07 - Device ID               */
421
        UCHAR Reserved0[2];     /* 09 - Reserved                */
422
        UCHAR Revision;         /* 0B - Revision of data structure */
423
        /* ----Host Adapter Structure ---- */
424
        UCHAR NumOfCh;          /* 0C - Number of SCSI channel  */
425
        UCHAR BIOSConfig1;      /* 0D - BIOS configuration 1    */
426
        UCHAR BIOSConfig2;      /* 0E - BIOS boot channel&target ID */
427
        UCHAR BIOSConfig3;      /* 0F - BIOS configuration 3    */
428
        /* ----SCSI channel Structure ---- */
429
        /* from "CTRL-I SCSI Host Adapter SetUp menu "  */
430
        UCHAR SCSI0Id;          /* 10 - Channel 0 SCSI ID       */
431
        UCHAR SCSI0Config;      /* 11 - Channel 0 SCSI configuration */
432
        UCHAR SCSI0MaxTags;     /* 12 - Channel 0 Maximum tags  */
433
        UCHAR SCSI0ResetTime;   /* 13 - Channel 0 Reset recovering time */
434
        UCHAR ReservedforChannel0[2];   /* 14 - Reserved                */
435
 
436
        /* ----SCSI target Structure ----  */
437
        /* from "CTRL-I SCSI device SetUp menu "                        */
438
        UCHAR Target00Config;   /* 16 - Channel 0 Target 0 config */
439
        UCHAR Target01Config;   /* 17 - Channel 0 Target 1 config */
440
        UCHAR Target02Config;   /* 18 - Channel 0 Target 2 config */
441
        UCHAR Target03Config;   /* 19 - Channel 0 Target 3 config */
442
        UCHAR Target04Config;   /* 1A - Channel 0 Target 4 config */
443
        UCHAR Target05Config;   /* 1B - Channel 0 Target 5 config */
444
        UCHAR Target06Config;   /* 1C - Channel 0 Target 6 config */
445
        UCHAR Target07Config;   /* 1D - Channel 0 Target 7 config */
446
        UCHAR Target08Config;   /* 1E - Channel 0 Target 8 config */
447
        UCHAR Target09Config;   /* 1F - Channel 0 Target 9 config */
448
        UCHAR Target0AConfig;   /* 20 - Channel 0 Target A config */
449
        UCHAR Target0BConfig;   /* 21 - Channel 0 Target B config */
450
        UCHAR Target0CConfig;   /* 22 - Channel 0 Target C config */
451
        UCHAR Target0DConfig;   /* 23 - Channel 0 Target D config */
452
        UCHAR Target0EConfig;   /* 24 - Channel 0 Target E config */
453
        UCHAR Target0FConfig;   /* 25 - Channel 0 Target F config */
454
 
455
        UCHAR SCSI1Id;          /* 26 - Channel 1 SCSI ID       */
456
        UCHAR SCSI1Config;      /* 27 - Channel 1 SCSI configuration */
457
        UCHAR SCSI1MaxTags;     /* 28 - Channel 1 Maximum tags  */
458
        UCHAR SCSI1ResetTime;   /* 29 - Channel 1 Reset recovering time */
459
        UCHAR ReservedforChannel1[2];   /* 2A - Reserved                */
460
 
461
        /* ----SCSI target Structure ----  */
462
        /* from "CTRL-I SCSI device SetUp menu "                                          */
463
        UCHAR Target10Config;   /* 2C - Channel 1 Target 0 config */
464
        UCHAR Target11Config;   /* 2D - Channel 1 Target 1 config */
465
        UCHAR Target12Config;   /* 2E - Channel 1 Target 2 config */
466
        UCHAR Target13Config;   /* 2F - Channel 1 Target 3 config */
467
        UCHAR Target14Config;   /* 30 - Channel 1 Target 4 config */
468
        UCHAR Target15Config;   /* 31 - Channel 1 Target 5 config */
469
        UCHAR Target16Config;   /* 32 - Channel 1 Target 6 config */
470
        UCHAR Target17Config;   /* 33 - Channel 1 Target 7 config */
471
        UCHAR Target18Config;   /* 34 - Channel 1 Target 8 config */
472
        UCHAR Target19Config;   /* 35 - Channel 1 Target 9 config */
473
        UCHAR Target1AConfig;   /* 36 - Channel 1 Target A config */
474
        UCHAR Target1BConfig;   /* 37 - Channel 1 Target B config */
475
        UCHAR Target1CConfig;   /* 38 - Channel 1 Target C config */
476
        UCHAR Target1DConfig;   /* 39 - Channel 1 Target D config */
477
        UCHAR Target1EConfig;   /* 3A - Channel 1 Target E config */
478
        UCHAR Target1FConfig;   /* 3B - Channel 1 Target F config */
479
        UCHAR reserved[3];      /* 3C - Reserved                */
480
        /* ---------- CheckSum ----------       */
481
        UCHAR CheckSum;         /* 3F - Checksum of NVRam       */
482
} NVRAM, *PNVRAM;
483
 
484
/* Bios Configuration for nvram->BIOSConfig1                            */
485
#define NBC_BIOSENABLE  0x01    /* BIOS enable                    */
486
#define NBC_CDROM       0x02    /* Support bootable CDROM */
487
#define NBC_REMOVABLE   0x04    /* Support removable drive        */
488
 
489
/* Bios Configuration for nvram->BIOSConfig2                            */
490
#define NBB_TARGET_MASK 0x0F    /* Boot SCSI target ID number     */
491
#define NBB_CHANL_MASK  0xF0    /* Boot SCSI channel number       */
492
 
493
/* Bit definition for nvram->SCSIConfig                                 */
494
#define NCC_BUSRESET    0x01    /* Reset SCSI bus at power up     */
495
#define NCC_PARITYCHK   0x02    /* SCSI parity enable             */
496
#define NCC_LVDS        0x10    /* Enable LVDS                    */
497
#define NCC_ACTTERM1    0x20    /* Enable active terminator 1     */
498
#define NCC_ACTTERM2    0x40    /* Enable active terminator 2     */
499
#define NCC_AUTOTERM    0x80    /* Enable auto termination        */
500
 
501
/* Bit definition for nvram->TargetxConfig                              */
502
#define NTC_PERIOD      0x07    /* Maximum Sync. Speed            */
503
#define NTC_1GIGA       0x08    /* 255 head / 63 sectors (64/32) */
504
#define NTC_NO_SYNC     0x10    /* NO SYNC. NEGO          */
505
#define NTC_NO_WIDESYNC 0x20    /* NO WIDE SYNC. NEGO             */
506
#define NTC_DISC_ENABLE 0x40    /* Enable SCSI disconnect */
507
#define NTC_SPINUP      0x80    /* Start disk drive               */
508
 
509
/* Default NVRam values                                                 */
510
#define NBC_DEFAULT     (NBC_ENABLE)
511
#define NCC_DEFAULT     (NCC_BUSRESET | NCC_AUTOTERM | NCC_PARITYCHK)
512
#define NCC_MAX_TAGS    0x20    /* Maximum tags per target        */
513
#define NCC_RESET_TIME  0x0A    /* SCSI RESET recovering time     */
514
#define NTC_DEFAULT     (NTC_1GIGA | NTC_NO_WIDESYNC | NTC_DISC_ENABLE)
515
 
516
typedef union {                 /* Union define for mechanism 1   */
517
        struct {
518
                unsigned char RegNum;
519
                unsigned char FcnNum:3;
520
                unsigned char DeviceNum:5;
521
                unsigned char BusNum;
522
                unsigned char Reserved:7;
523
                unsigned char Enable:1;
524
        } sConfigAdr;
525
        unsigned long lConfigAdr;
526
} CONFIG_ADR;
527
 
528
typedef union {                 /* Union define for mechanism 2   */
529
        struct {
530
                unsigned char RegNum;
531
                unsigned char DeviceNum;
532
                unsigned short Reserved;
533
        } sHostAdr;
534
        unsigned long lHostAdr;
535
} HOST_ADR;
536
 
537
#define ORC_RD(x,y)             (UCHAR)(inb(  (int)((ULONG)((ULONG)x+(UCHAR)y)) ))
538
#define ORC_RDLONG(x,y)         (long)(inl((int)((ULONG)((ULONG)x+(UCHAR)y)) ))
539
 
540
#define ORC_WR(     adr,data)   outb( (UCHAR)(data), (int)(adr))
541
#define ORC_WRSHORT(adr,data)   outw( (UWORD)(data), (int)(adr))
542
#define ORC_WRLONG( adr,data)   outl( (ULONG)(data), (int)(adr))
543
 
544
 
545
#define SCSI_ABORT_SNOOZE 0
546
#define SCSI_ABORT_SUCCESS 1
547
#define SCSI_ABORT_PENDING 2
548
#define SCSI_ABORT_BUSY 3
549
#define SCSI_ABORT_NOT_RUNNING 4
550
#define SCSI_ABORT_ERROR 5
551
 
552
#define SCSI_RESET_SNOOZE 0
553
#define SCSI_RESET_PUNT 1
554
#define SCSI_RESET_SUCCESS 2
555
#define SCSI_RESET_PENDING 3
556
#define SCSI_RESET_WAKEUP 4
557
#define SCSI_RESET_NOT_RUNNING 5
558
#define SCSI_RESET_ERROR 6
559
 
560
#define SCSI_RESET_SYNCHRONOUS          0x01
561
#define SCSI_RESET_ASYNCHRONOUS         0x02
562
#define SCSI_RESET_SUGGEST_BUS_RESET    0x04
563
#define SCSI_RESET_SUGGEST_HOST_RESET   0x08
564
 
565
#define SCSI_RESET_BUS_RESET 0x100
566
#define SCSI_RESET_HOST_RESET 0x200
567
#define SCSI_RESET_ACTION   0xff

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