1 /**************************************************************************
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
568