1/**************************************************************************
2 * Initio 9100 device driver for Linux.
3 *
4 * Copyright (c) 1994-1998 Initio Corporation
5 * All rights reserved.
6 *
7 * Cleanups (c) Copyright 2007 Red Hat <alan@lxorguk.ukuu.org.uk>
8 *
9 * This program is free software; you can redistribute it and/or modify
10 * it under the terms of the GNU General Public License as published by
11 * the Free Software Foundation; either version 2, or (at your option)
12 * any later version.
13 *
14 * This program is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
17 * GNU General Public License for more details.
18 *
19 * You should have received a copy of the GNU General Public License
20 * along with this program; see the file COPYING.  If not, write to
21 * the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
22 *
23 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
24 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
25 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
26 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR
27 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
28 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
29 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
30 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
31 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
32 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
33 * SUCH DAMAGE.
34 *
35 **************************************************************************/
36
37
38#include <linux/types.h>
39
40#define TOTAL_SG_ENTRY		32
41#define MAX_SUPPORTED_ADAPTERS  8
42#define MAX_OFFSET		15
43#define MAX_TARGETS		16
44
45typedef struct {
46	unsigned short base;
47	unsigned short vec;
48} i91u_config;
49
50/***************************************/
51/*  Tulip Configuration Register Set */
52/***************************************/
53#define TUL_PVID        0x00	/* Vendor ID                    */
54#define TUL_PDID        0x02	/* Device ID                    */
55#define TUL_PCMD        0x04	/* Command                      */
56#define TUL_PSTUS       0x06	/* Status                       */
57#define TUL_PRID        0x08	/* Revision number              */
58#define TUL_PPI         0x09	/* Programming interface        */
59#define TUL_PSC         0x0A	/* Sub Class                    */
60#define TUL_PBC         0x0B	/* Base Class                   */
61#define TUL_PCLS        0x0C	/* Cache line size              */
62#define TUL_PLTR        0x0D	/* Latency timer                */
63#define TUL_PHDT        0x0E	/* Header type                  */
64#define TUL_PBIST       0x0F	/* BIST                         */
65#define TUL_PBAD        0x10	/* Base address                 */
66#define TUL_PBAD1       0x14	/* Base address                 */
67#define TUL_PBAD2       0x18	/* Base address                 */
68#define TUL_PBAD3       0x1C	/* Base address                 */
69#define TUL_PBAD4       0x20	/* Base address                 */
70#define TUL_PBAD5       0x24	/* Base address                 */
71#define TUL_PRSVD       0x28	/* Reserved                     */
72#define TUL_PRSVD1      0x2C	/* Reserved                     */
73#define TUL_PRAD        0x30	/* Expansion ROM base address   */
74#define TUL_PRSVD2      0x34	/* Reserved                     */
75#define TUL_PRSVD3      0x38	/* Reserved                     */
76#define TUL_PINTL       0x3C	/* Interrupt line               */
77#define TUL_PINTP       0x3D	/* Interrupt pin                */
78#define TUL_PIGNT       0x3E	/* MIN_GNT                      */
79#define TUL_PMGNT       0x3F	/* MAX_GNT                      */
80
81/************************/
82/*  Jasmin Register Set */
83/************************/
84#define TUL_HACFG0      0x40	/* H/A Configuration Register 0         */
85#define TUL_HACFG1      0x41	/* H/A Configuration Register 1         */
86#define TUL_HACFG2      0x42	/* H/A Configuration Register 2         */
87
88#define TUL_SDCFG0      0x44	/* SCSI Device Configuration 0          */
89#define TUL_SDCFG1      0x45	/* SCSI Device Configuration 1          */
90#define TUL_SDCFG2      0x46	/* SCSI Device Configuration 2          */
91#define TUL_SDCFG3      0x47	/* SCSI Device Configuration 3          */
92
93#define TUL_GINTS       0x50	/* Global Interrupt Status Register     */
94#define TUL_GIMSK       0x52	/* Global Interrupt MASK Register       */
95#define TUL_GCTRL       0x54	/* Global Control Register              */
96#define TUL_GCTRL_EEPROM_BIT    0x04
97#define TUL_GCTRL1      0x55	/* Global Control Register              */
98#define TUL_DMACFG      0x5B	/* DMA configuration                    */
99#define TUL_NVRAM       0x5D	/* Non-volatile RAM port                */
100
101#define TUL_SCnt0       0x80	/* 00 R/W Transfer Counter Low          */
102#define TUL_SCnt1       0x81	/* 01 R/W Transfer Counter Mid          */
103#define TUL_SCnt2       0x82	/* 02 R/W Transfer Count High           */
104#define TUL_SFifoCnt    0x83	/* 03 R   FIFO counter                  */
105#define TUL_SIntEnable  0x84	/* 03 W   Interrupt enble               */
106#define TUL_SInt        0x84	/* 04 R   Interrupt Register            */
107#define TUL_SCtrl0      0x85	/* 05 W   Control 0                     */
108#define TUL_SStatus0    0x85	/* 05 R   Status 0                      */
109#define TUL_SCtrl1      0x86	/* 06 W   Control 1                     */
110#define TUL_SStatus1    0x86	/* 06 R   Status 1                      */
111#define TUL_SConfig     0x87	/* 07 W   Configuration                 */
112#define TUL_SStatus2    0x87	/* 07 R   Status 2                      */
113#define TUL_SPeriod     0x88	/* 08 W   Sync. Transfer Period & Offset */
114#define TUL_SOffset     0x88	/* 08 R   Offset                        */
115#define TUL_SScsiId     0x89	/* 09 W   SCSI ID                       */
116#define TUL_SBusId      0x89	/* 09 R   SCSI BUS ID                   */
117#define TUL_STimeOut    0x8A	/* 0A W   Sel/Resel Time Out Register   */
118#define TUL_SIdent      0x8A	/* 0A R   Identify Message Register     */
119#define TUL_SAvail      0x8A	/* 0A R   Available Counter Register   */
120#define TUL_SData       0x8B	/* 0B R/W SCSI data in/out              */
121#define TUL_SFifo       0x8C	/* 0C R/W FIFO                          */
122#define TUL_SSignal     0x90	/* 10 R/W SCSI signal in/out            */
123#define TUL_SCmd        0x91	/* 11 R/W Command                       */
124#define TUL_STest0      0x92	/* 12 R/W Test0                         */
125#define TUL_STest1      0x93	/* 13 R/W Test1                         */
126#define TUL_SCFG1	0x94	/* 14 R/W Configuration                 */
127
128#define TUL_XAddH       0xC0	/*DMA Transfer Physical Address         */
129#define TUL_XAddW       0xC8	/*DMA Current Transfer Physical Address */
130#define TUL_XCntH       0xD0	/*DMA Transfer Counter                  */
131#define TUL_XCntW       0xD4	/*DMA Current Transfer Counter          */
132#define TUL_XCmd        0xD8	/*DMA Command Register                  */
133#define TUL_Int         0xDC	/*Interrupt Register                    */
134#define TUL_XStatus     0xDD	/*DMA status Register                   */
135#define TUL_Mask        0xE0	/*Interrupt Mask Register               */
136#define TUL_XCtrl       0xE4	/*DMA Control Register                  */
137#define TUL_XCtrl1      0xE5	/*DMA Control Register 1                */
138#define TUL_XFifo       0xE8	/*DMA FIFO                              */
139
140#define TUL_WCtrl       0xF7	/*Bus master wait state control         */
141#define TUL_DCtrl       0xFB	/*DMA delay control                     */
142
143/*----------------------------------------------------------------------*/
144/*   bit definition for Command register of Configuration Space Header  */
145/*----------------------------------------------------------------------*/
146#define BUSMS           0x04	/* BUS MASTER Enable                    */
147#define IOSPA           0x01	/* IO Space Enable                      */
148
149/*----------------------------------------------------------------------*/
150/* Command Codes of Tulip SCSI Command register                         */
151/*----------------------------------------------------------------------*/
152#define TSC_EN_RESEL    0x80	/* Enable Reselection                   */
153#define TSC_CMD_COMP    0x84	/* Command Complete Sequence            */
154#define TSC_SEL         0x01	/* Select Without ATN Sequence          */
155#define TSC_SEL_ATN     0x11	/* Select With ATN Sequence             */
156#define TSC_SEL_ATN_DMA 0x51	/* Select With ATN Sequence with DMA    */
157#define TSC_SEL_ATN3    0x31	/* Select With ATN3 Sequence            */
158#define TSC_SEL_ATNSTOP 0x12	/* Select With ATN and Stop Sequence    */
159#define TSC_SELATNSTOP  0x1E	/* Select With ATN and Stop Sequence    */
160
161#define TSC_SEL_ATN_DIRECT_IN   0x95	/* Select With ATN Sequence     */
162#define TSC_SEL_ATN_DIRECT_OUT  0x15	/* Select With ATN Sequence     */
163#define TSC_SEL_ATN3_DIRECT_IN  0xB5	/* Select With ATN3 Sequence    */
164#define TSC_SEL_ATN3_DIRECT_OUT 0x35	/* Select With ATN3 Sequence    */
165#define TSC_XF_DMA_OUT_DIRECT   0x06	/* DMA Xfer Information out      */
166#define TSC_XF_DMA_IN_DIRECT    0x86	/* DMA Xfer Information in       */
167
168#define TSC_XF_DMA_OUT  0x43	/* DMA Xfer Information out              */
169#define TSC_XF_DMA_IN   0xC3	/* DMA Xfer Information in               */
170#define TSC_XF_FIFO_OUT 0x03	/* FIFO Xfer Information out             */
171#define TSC_XF_FIFO_IN  0x83	/* FIFO Xfer Information in              */
172
173#define TSC_MSG_ACCEPT  0x0F	/* Message Accept                       */
174
175/*----------------------------------------------------------------------*/
176/* bit definition for Tulip SCSI Control 0 Register                     */
177/*----------------------------------------------------------------------*/
178#define TSC_RST_SEQ     0x20	/* Reset sequence counter               */
179#define TSC_FLUSH_FIFO  0x10	/* Flush FIFO                           */
180#define TSC_ABT_CMD     0x04	/* Abort command (sequence)             */
181#define TSC_RST_CHIP    0x02	/* Reset SCSI Chip                      */
182#define TSC_RST_BUS     0x01	/* Reset SCSI Bus                       */
183
184/*----------------------------------------------------------------------*/
185/* bit definition for Tulip SCSI Control 1 Register                     */
186/*----------------------------------------------------------------------*/
187#define TSC_EN_SCAM     0x80	/* Enable SCAM                          */
188#define TSC_TIMER       0x40	/* Select timeout unit                  */
189#define TSC_EN_SCSI2    0x20	/* SCSI-2 mode                          */
190#define TSC_PWDN        0x10	/* Power down mode                      */
191#define TSC_WIDE_CPU    0x08	/* Wide CPU                             */
192#define TSC_HW_RESELECT 0x04	/* Enable HW reselect                   */
193#define TSC_EN_BUS_OUT  0x02	/* Enable SCSI data bus out latch       */
194#define TSC_EN_BUS_IN   0x01	/* Enable SCSI data bus in latch        */
195
196/*----------------------------------------------------------------------*/
197/* bit definition for Tulip SCSI Configuration Register                 */
198/*----------------------------------------------------------------------*/
199#define TSC_EN_LATCH    0x80	/* Enable phase latch                   */
200#define TSC_INITIATOR   0x40	/* Initiator mode                       */
201#define TSC_EN_SCSI_PAR 0x20	/* Enable SCSI parity                   */
202#define TSC_DMA_8BIT    0x10	/* Alternate dma 8-bits mode            */
203#define TSC_DMA_16BIT   0x08	/* Alternate dma 16-bits mode           */
204#define TSC_EN_WDACK    0x04	/* Enable DACK while wide SCSI xfer     */
205#define TSC_ALT_PERIOD  0x02	/* Alternate sync period mode           */
206#define TSC_DIS_SCSIRST 0x01	/* Disable SCSI bus reset us            */
207
208#define TSC_INITDEFAULT (TSC_INITIATOR | TSC_EN_LATCH | TSC_ALT_PERIOD | TSC_DIS_SCSIRST)
209
210#define TSC_WIDE_SCSI   0x80	/* Enable Wide SCSI                     */
211
212/*----------------------------------------------------------------------*/
213/* bit definition for Tulip SCSI signal Register                        */
214/*----------------------------------------------------------------------*/
215#define TSC_RST_ACK     0x00	/* Release ACK signal                   */
216#define TSC_RST_ATN     0x00	/* Release ATN signal                   */
217#define TSC_RST_BSY     0x00	/* Release BSY signal                   */
218
219#define TSC_SET_ACK     0x40	/* ACK signal                           */
220#define TSC_SET_ATN     0x08	/* ATN signal                           */
221
222#define TSC_REQI        0x80	/* REQ signal                           */
223#define TSC_ACKI        0x40	/* ACK signal                           */
224#define TSC_BSYI        0x20	/* BSY signal                           */
225#define TSC_SELI        0x10	/* SEL signal                           */
226#define TSC_ATNI        0x08	/* ATN signal                           */
227#define TSC_MSGI        0x04	/* MSG signal                           */
228#define TSC_CDI         0x02	/* C/D signal                           */
229#define TSC_IOI         0x01	/* I/O signal                           */
230
231
232/*----------------------------------------------------------------------*/
233/* bit definition for Tulip SCSI Status 0 Register                      */
234/*----------------------------------------------------------------------*/
235#define TSS_INT_PENDING 0x80	/* Interrupt pending            */
236#define TSS_SEQ_ACTIVE  0x40	/* Sequencer active             */
237#define TSS_XFER_CNT    0x20	/* Transfer counter zero        */
238#define TSS_FIFO_EMPTY  0x10	/* FIFO empty                   */
239#define TSS_PAR_ERROR   0x08	/* SCSI parity error            */
240#define TSS_PH_MASK     0x07	/* SCSI phase mask              */
241
242/*----------------------------------------------------------------------*/
243/* bit definition for Tulip SCSI Status 1 Register                      */
244/*----------------------------------------------------------------------*/
245#define TSS_STATUS_RCV  0x08	/* Status received              */
246#define TSS_MSG_SEND    0x40	/* Message sent                 */
247#define TSS_CMD_PH_CMP  0x20	/* command phase done              */
248#define TSS_DATA_PH_CMP 0x10	/* Data phase done              */
249#define TSS_STATUS_SEND 0x08	/* Status sent                  */
250#define TSS_XFER_CMP    0x04	/* Transfer completed           */
251#define TSS_SEL_CMP     0x02	/* Selection completed          */
252#define TSS_ARB_CMP     0x01	/* Arbitration completed        */
253
254/*----------------------------------------------------------------------*/
255/* bit definition for Tulip SCSI Status 2 Register                      */
256/*----------------------------------------------------------------------*/
257#define TSS_CMD_ABTED   0x80	/* Command aborted              */
258#define TSS_OFFSET_0    0x40	/* Offset counter zero          */
259#define TSS_FIFO_FULL   0x20	/* FIFO full                    */
260#define TSS_TIMEOUT_0   0x10	/* Timeout counter zero         */
261#define TSS_BUSY_RLS    0x08	/* Busy release                 */
262#define TSS_PH_MISMATCH 0x04	/* Phase mismatch               */
263#define TSS_SCSI_BUS_EN 0x02	/* SCSI data bus enable         */
264#define TSS_SCSIRST     0x01	/* SCSI bus reset in progress   */
265
266/*----------------------------------------------------------------------*/
267/* bit definition for Tulip SCSI Interrupt Register                     */
268/*----------------------------------------------------------------------*/
269#define TSS_RESEL_INT   0x80	/* Reselected interrupt         */
270#define TSS_SEL_TIMEOUT 0x40	/* Selected/reselected timeout  */
271#define TSS_BUS_SERV    0x20
272#define TSS_SCSIRST_INT 0x10	/* SCSI bus reset detected      */
273#define TSS_DISC_INT    0x08	/* Disconnected interrupt       */
274#define TSS_SEL_INT     0x04	/* Select interrupt             */
275#define TSS_SCAM_SEL    0x02	/* SCAM selected                */
276#define TSS_FUNC_COMP   0x01
277
278/*----------------------------------------------------------------------*/
279/* SCSI Phase Codes.                                                    */
280/*----------------------------------------------------------------------*/
281#define DATA_OUT        0
282#define DATA_IN         1	/* 4                            */
283#define CMD_OUT         2
284#define STATUS_IN       3	/* 6                            */
285#define MSG_OUT         6	/* 3                            */
286#define MSG_IN          7
287
288
289
290/*----------------------------------------------------------------------*/
291/* Command Codes of Tulip xfer Command register                         */
292/*----------------------------------------------------------------------*/
293#define TAX_X_FORC      0x02
294#define TAX_X_ABT       0x04
295#define TAX_X_CLR_FIFO  0x08
296
297#define TAX_X_IN        0x21
298#define TAX_X_OUT       0x01
299#define TAX_SG_IN       0xA1
300#define TAX_SG_OUT      0x81
301
302/*----------------------------------------------------------------------*/
303/* Tulip Interrupt Register                                             */
304/*----------------------------------------------------------------------*/
305#define XCMP            0x01
306#define FCMP            0x02
307#define XABT            0x04
308#define XERR            0x08
309#define SCMP            0x10
310#define IPEND           0x80
311
312/*----------------------------------------------------------------------*/
313/* Tulip DMA Status Register                                            */
314/*----------------------------------------------------------------------*/
315#define XPEND           0x01	/* Transfer pending             */
316#define FEMPTY          0x02	/* FIFO empty                   */
317
318
319
320/*----------------------------------------------------------------------*/
321/* bit definition for TUL_GCTRL                                         */
322/*----------------------------------------------------------------------*/
323#define EXTSG           0x80
324#define EXTAD           0x60
325#define SEG4K           0x08
326#define EEPRG           0x04
327#define MRMUL           0x02
328
329/*----------------------------------------------------------------------*/
330/* bit definition for TUL_NVRAM                                         */
331/*----------------------------------------------------------------------*/
332#define SE2CS           0x08
333#define SE2CLK          0x04
334#define SE2DO           0x02
335#define SE2DI           0x01
336
337
338/************************************************************************/
339/*              Scatter-Gather Element Structure                        */
340/************************************************************************/
341struct sg_entry {
342	u32 data;		/* Data Pointer */
343	u32 len;		/* Data Length */
344};
345
346/***********************************************************************
347		SCSI Control Block
348************************************************************************/
349struct scsi_ctrl_blk {
350	struct scsi_ctrl_blk *next;
351	u8 status;	/*4 */
352	u8 next_state;	/*5 */
353	u8 mode;		/*6 */
354	u8 msgin;	/*7 SCB_Res0 */
355	u16 sgidx;	/*8 */
356	u16 sgmax;	/*A */
357#ifdef ALPHA
358	u32 reserved[2];	/*C */
359#else
360	u32 reserved[3];	/*C */
361#endif
362
363	u32 xferlen;	/*18 Current xfer len           */
364	u32 totxlen;	/*1C Total xfer len             */
365	u32 paddr;		/*20 SCB phy. Addr. */
366
367	u8 opcode;	/*24 SCB command code */
368	u8 flags;	/*25 SCB Flags */
369	u8 target;	/*26 Target Id */
370	u8 lun;		/*27 Lun */
371	u32 bufptr;		/*28 Data Buffer Pointer */
372	u32 buflen;		/*2C Data Allocation Length */
373	u8 sglen;	/*30 SG list # */
374	u8 senselen;	/*31 Sense Allocation Length */
375	u8 hastat;	/*32 */
376	u8 tastat;	/*33 */
377	u8 cdblen;	/*34 CDB Length */
378	u8 ident;	/*35 Identify */
379	u8 tagmsg;	/*36 Tag Message */
380	u8 tagid;	/*37 Queue Tag */
381	u8 cdb[12];	/*38 */
382	u32 sgpaddr;	/*44 SG List/Sense Buf phy. Addr. */
383	u32 senseptr;	/*48 Sense data pointer */
384	void (*post) (u8 *, u8 *);	/*4C POST routine */
385	struct scsi_cmnd *srb;	/*50 SRB Pointer */
386	struct sg_entry sglist[TOTAL_SG_ENTRY];	/*54 Start of SG list */
387};
388
389/* Bit Definition for status */
390#define SCB_RENT        0x01
391#define SCB_PEND        0x02
392#define SCB_CONTIG      0x04	/* Contingent Allegiance */
393#define SCB_SELECT      0x08
394#define SCB_BUSY        0x10
395#define SCB_DONE        0x20
396
397
398/* Opcodes for opcode */
399#define ExecSCSI        0x1
400#define BusDevRst       0x2
401#define AbortCmd        0x3
402
403
404/* Bit Definition for mode */
405#define SCM_RSENS       0x01	/* request sense mode */
406
407
408/* Bit Definition for flags */
409#define SCF_DONE        0x01
410#define SCF_POST        0x02
411#define SCF_SENSE       0x04
412#define SCF_DIR         0x18
413#define SCF_NO_DCHK     0x00
414#define SCF_DIN         0x08
415#define SCF_DOUT        0x10
416#define SCF_NO_XF       0x18
417#define SCF_WR_VF       0x20	/* Write verify turn on         */
418#define SCF_POLL        0x40
419#define SCF_SG          0x80
420
421/* Error Codes for SCB_HaStat */
422#define HOST_SEL_TOUT   0x11
423#define HOST_DO_DU      0x12
424#define HOST_BUS_FREE   0x13
425#define HOST_BAD_PHAS   0x14
426#define HOST_INV_CMD    0x16
427#define HOST_ABORTED    0x1A	/* 07/21/98 */
428#define HOST_SCSI_RST   0x1B
429#define HOST_DEV_RST    0x1C
430
431/* Error Codes for SCB_TaStat */
432#define TARGET_CHKCOND  0x02
433#define TARGET_BUSY     0x08
434#define INI_QUEUE_FULL	0x28
435
436/***********************************************************************
437		Target Device Control Structure
438**********************************************************************/
439
440struct target_control {
441	u16 flags;
442	u8 js_period;
443	u8 sconfig0;
444	u16 drv_flags;
445	u8 heads;
446	u8 sectors;
447};
448
449/***********************************************************************
450		Target Device Control Structure
451**********************************************************************/
452
453/* Bit Definition for TCF_Flags */
454#define TCF_SCSI_RATE           0x0007
455#define TCF_EN_DISC             0x0008
456#define TCF_NO_SYNC_NEGO        0x0010
457#define TCF_NO_WDTR             0x0020
458#define TCF_EN_255              0x0040
459#define TCF_EN_START            0x0080
460#define TCF_WDTR_DONE           0x0100
461#define TCF_SYNC_DONE           0x0200
462#define TCF_BUSY                0x0400
463
464
465/* Bit Definition for TCF_DrvFlags */
466#define TCF_DRV_BUSY            0x01	/* Indicate target busy(driver) */
467#define TCF_DRV_EN_TAG          0x0800
468#define TCF_DRV_255_63          0x0400
469
470/***********************************************************************
471	      Host Adapter Control Structure
472************************************************************************/
473struct initio_host {
474	u16 addr;		/* 00 */
475	u16 bios_addr;		/* 02 */
476	u8 irq;			/* 04 */
477	u8 scsi_id;		/* 05 */
478	u8 max_tar;		/* 06 */
479	u8 num_scbs;		/* 07 */
480
481	u8 flags;		/* 08 */
482	u8 index;		/* 09 */
483	u8 ha_id;		/* 0A */
484	u8 config;		/* 0B */
485	u16 idmask;		/* 0C */
486	u8 semaph;		/* 0E */
487	u8 phase;		/* 0F */
488	u8 jsstatus0;		/* 10 */
489	u8 jsint;		/* 11 */
490	u8 jsstatus1;		/* 12 */
491	u8 sconf1;		/* 13 */
492
493	u8 msg[8];		/* 14 */
494	struct scsi_ctrl_blk *next_avail;	/* 1C */
495	struct scsi_ctrl_blk *scb;		/* 20 */
496	struct scsi_ctrl_blk *scb_end;		/* 24 */ /*UNUSED*/
497	struct scsi_ctrl_blk *next_pending;	/* 28 */
498	struct scsi_ctrl_blk *next_contig;	/* 2C */ /*UNUSED*/
499	struct scsi_ctrl_blk *active;		/* 30 */
500	struct target_control *active_tc;	/* 34 */
501
502	struct scsi_ctrl_blk *first_avail;	/* 38 */
503	struct scsi_ctrl_blk *last_avail;	/* 3C */
504	struct scsi_ctrl_blk *first_pending;	/* 40 */
505	struct scsi_ctrl_blk *last_pending;	/* 44 */
506	struct scsi_ctrl_blk *first_busy;	/* 48 */
507	struct scsi_ctrl_blk *last_busy;	/* 4C */
508	struct scsi_ctrl_blk *first_done;	/* 50 */
509	struct scsi_ctrl_blk *last_done;	/* 54 */
510	u8 max_tags[16];	/* 58 */
511	u8 act_tags[16];	/* 68 */
512	struct target_control targets[MAX_TARGETS];	/* 78 */
513	spinlock_t avail_lock;
514	spinlock_t semaph_lock;
515	struct pci_dev *pci_dev;
516};
517
518/* Bit Definition for HCB_Config */
519#define HCC_SCSI_RESET          0x01
520#define HCC_EN_PAR              0x02
521#define HCC_ACT_TERM1           0x04
522#define HCC_ACT_TERM2           0x08
523#define HCC_AUTO_TERM           0x10
524#define HCC_EN_PWR              0x80
525
526/* Bit Definition for HCB_Flags */
527#define HCF_EXPECT_DISC         0x01
528#define HCF_EXPECT_SELECT       0x02
529#define HCF_EXPECT_RESET        0x10
530#define HCF_EXPECT_DONE_DISC    0x20
531
532/******************************************************************
533	Serial EEProm
534*******************************************************************/
535
536typedef struct _NVRAM_SCSI {	/* SCSI channel configuration   */
537	u8 NVM_ChSCSIID;	/* 0Ch -> Channel SCSI ID       */
538	u8 NVM_ChConfig1;	/* 0Dh -> Channel config 1      */
539	u8 NVM_ChConfig2;	/* 0Eh -> Channel config 2      */
540	u8 NVM_NumOfTarg;	/* 0Fh -> Number of SCSI target */
541	/* SCSI target configuration    */
542	u8 NVM_Targ0Config;	/* 10h -> Target 0 configuration */
543	u8 NVM_Targ1Config;	/* 11h -> Target 1 configuration */
544	u8 NVM_Targ2Config;	/* 12h -> Target 2 configuration */
545	u8 NVM_Targ3Config;	/* 13h -> Target 3 configuration */
546	u8 NVM_Targ4Config;	/* 14h -> Target 4 configuration */
547	u8 NVM_Targ5Config;	/* 15h -> Target 5 configuration */
548	u8 NVM_Targ6Config;	/* 16h -> Target 6 configuration */
549	u8 NVM_Targ7Config;	/* 17h -> Target 7 configuration */
550	u8 NVM_Targ8Config;	/* 18h -> Target 8 configuration */
551	u8 NVM_Targ9Config;	/* 19h -> Target 9 configuration */
552	u8 NVM_TargAConfig;	/* 1Ah -> Target A configuration */
553	u8 NVM_TargBConfig;	/* 1Bh -> Target B configuration */
554	u8 NVM_TargCConfig;	/* 1Ch -> Target C configuration */
555	u8 NVM_TargDConfig;	/* 1Dh -> Target D configuration */
556	u8 NVM_TargEConfig;	/* 1Eh -> Target E configuration */
557	u8 NVM_TargFConfig;	/* 1Fh -> Target F configuration */
558} NVRAM_SCSI;
559
560typedef struct _NVRAM {
561/*----------header ---------------*/
562	u16 NVM_Signature;	/* 0,1: Signature */
563	u8 NVM_Size;		/* 2:   Size of data structure */
564	u8 NVM_Revision;	/* 3:   Revision of data structure */
565	/* ----Host Adapter Structure ---- */
566	u8 NVM_ModelByte0;	/* 4:   Model number (byte 0) */
567	u8 NVM_ModelByte1;	/* 5:   Model number (byte 1) */
568	u8 NVM_ModelInfo;	/* 6:   Model information         */
569	u8 NVM_NumOfCh;	/* 7:   Number of SCSI channel */
570	u8 NVM_BIOSConfig1;	/* 8:   BIOS configuration 1  */
571	u8 NVM_BIOSConfig2;	/* 9:   BIOS configuration 2  */
572	u8 NVM_HAConfig1;	/* A:   Hoat adapter configuration 1 */
573	u8 NVM_HAConfig2;	/* B:   Hoat adapter configuration 2 */
574	NVRAM_SCSI NVM_SCSIInfo[2];
575	u8 NVM_reserved[10];
576	/* ---------- CheckSum ----------       */
577	u16 NVM_CheckSum;	/* 0x3E, 0x3F: Checksum of NVRam        */
578} NVRAM, *PNVRAM;
579
580/* Bios Configuration for nvram->BIOSConfig1                            */
581#define NBC1_ENABLE             0x01	/* BIOS enable                  */
582#define NBC1_8DRIVE             0x02	/* Support more than 2 drives   */
583#define NBC1_REMOVABLE          0x04	/* Support removable drive      */
584#define NBC1_INT19              0x08	/* Intercept int 19h            */
585#define NBC1_BIOSSCAN           0x10	/* Dynamic BIOS scan            */
586#define NBC1_LUNSUPPORT         0x40	/* Support LUN                  */
587
588/* HA Configuration Byte 1                                              */
589#define NHC1_BOOTIDMASK 0x0F	/* Boot ID number               */
590#define NHC1_LUNMASK    0x70	/* Boot LUN number              */
591#define NHC1_CHANMASK   0x80	/* Boot Channel number          */
592
593/* Bit definition for nvram->SCSIconfig1                                */
594#define NCC1_BUSRESET           0x01	/* Reset SCSI bus at power up   */
595#define NCC1_PARITYCHK          0x02	/* SCSI parity enable           */
596#define NCC1_ACTTERM1           0x04	/* Enable active terminator 1   */
597#define NCC1_ACTTERM2           0x08	/* Enable active terminator 2   */
598#define NCC1_AUTOTERM           0x10	/* Enable auto terminator       */
599#define NCC1_PWRMGR             0x80	/* Enable power management      */
600
601/* Bit definition for SCSI Target configuration byte                    */
602#define NTC_DISCONNECT          0x08	/* Enable SCSI disconnect       */
603#define NTC_SYNC                0x10	/* SYNC_NEGO                    */
604#define NTC_NO_WDTR             0x20	/* SYNC_NEGO                    */
605#define NTC_1GIGA               0x40	/* 255 head / 63 sectors (64/32) */
606#define NTC_SPINUP              0x80	/* Start disk drive             */
607
608/*      Default NVRam values                                            */
609#define INI_SIGNATURE           0xC925
610#define NBC1_DEFAULT            (NBC1_ENABLE)
611#define NCC1_DEFAULT            (NCC1_BUSRESET | NCC1_AUTOTERM | NCC1_PARITYCHK)
612#define NTC_DEFAULT             (NTC_NO_WDTR | NTC_1GIGA | NTC_DISCONNECT)
613
614/* SCSI related definition                                              */
615#define DISC_NOT_ALLOW          0x80	/* Disconnect is not allowed    */
616#define DISC_ALLOW              0xC0	/* Disconnect is allowed        */
617#define SCSICMD_RequestSense    0x03
618
619#define SCSI_ABORT_SNOOZE 0
620#define SCSI_ABORT_SUCCESS 1
621#define SCSI_ABORT_PENDING 2
622#define SCSI_ABORT_BUSY 3
623#define SCSI_ABORT_NOT_RUNNING 4
624#define SCSI_ABORT_ERROR 5
625
626#define SCSI_RESET_SNOOZE 0
627#define SCSI_RESET_PUNT 1
628#define SCSI_RESET_SUCCESS 2
629#define SCSI_RESET_PENDING 3
630#define SCSI_RESET_WAKEUP 4
631#define SCSI_RESET_NOT_RUNNING 5
632#define SCSI_RESET_ERROR 6
633
634#define SCSI_RESET_SYNCHRONOUS		0x01
635#define SCSI_RESET_ASYNCHRONOUS		0x02
636#define SCSI_RESET_SUGGEST_BUS_RESET	0x04
637#define SCSI_RESET_SUGGEST_HOST_RESET	0x08
638
639#define SCSI_RESET_BUS_RESET 0x100
640#define SCSI_RESET_HOST_RESET 0x200
641#define SCSI_RESET_ACTION   0xff
642
643struct initio_cmd_priv {
644	dma_addr_t sense_dma_addr;
645	dma_addr_t sglist_dma_addr;
646};
647
648static inline struct initio_cmd_priv *initio_priv(struct scsi_cmnd *cmd)
649{
650	return scsi_cmd_priv(cmd);
651}
652