Linux-2.6.12-rc2
[linux-flexiantxendom0-natty.git] / drivers / scsi / psi240i.h
1 /*+M*************************************************************************
2  * Perceptive Solutions, Inc. PSI-240I device driver proc support for Linux.
3  *
4  * Copyright (c) 1997 Perceptive Solutions, Inc.
5  *
6  * This program is free software; you can redistribute it and/or modify
7  * it under the terms of the GNU General Public License as published by
8  * the Free Software Foundation; either version 2, or (at your option)
9  * any later version.
10  *
11  * This program is distributed in the hope that it will be useful,
12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
14  * GNU General Public License for more details.
15  *
16  * You should have received a copy of the GNU General Public License
17  * along with this program; see the file COPYING.  If not, write to
18  * the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
19  *
20  *
21  *      File Name:              psi240i.h
22  *
23  *      Description:    Header file for the SCSI driver for the PSI240I
24  *                                      EIDE interface card.
25  *
26  *-M*************************************************************************/
27 #ifndef _PSI240I_H
28 #define _PSI240I_H
29
30 #include <linux/types.h>
31
32 #ifndef PSI_EIDE_SCSIOP
33 #define PSI_EIDE_SCSIOP 1
34
35 /************************************************/
36 /*              Some defines that we like                               */
37 /************************************************/
38 #define CHAR            char
39 #define UCHAR           unsigned char
40 #define SHORT           short
41 #define USHORT          unsigned short
42 #define BOOL            unsigned short
43 #define LONG            long
44 #define ULONG           unsigned long
45 #define VOID            void
46
47 /************************************************/
48 /*              Timeout konstants                                               */
49 /************************************************/
50 #define TIMEOUT_READY                           10              // 100 mSec
51 #define TIMEOUT_DRQ                                     40              // 400 mSec
52
53 /************************************************/
54 /*              Misc. macros                                                    */
55 /************************************************/
56 #define ANY2SCSI(up, p)                                 \
57 ((UCHAR *)up)[0] = (((ULONG)(p)) >> 8); \
58 ((UCHAR *)up)[1] = ((ULONG)(p));
59
60 #define SCSI2LONG(up)                                   \
61 ( (((long)*(((UCHAR *)up))) << 16)              \
62 + (((long)(((UCHAR *)up)[1])) << 8)             \
63 + ((long)(((UCHAR *)up)[2])) )
64
65 #define XANY2SCSI(up, p)                                \
66 ((UCHAR *)up)[0] = ((long)(p)) >> 24;   \
67 ((UCHAR *)up)[1] = ((long)(p)) >> 16;   \
68 ((UCHAR *)up)[2] = ((long)(p)) >> 8;    \
69 ((UCHAR *)up)[3] = ((long)(p));
70
71 #define XSCSI2LONG(up)                                  \
72 ( (((long)(((UCHAR *)up)[0])) << 24)    \
73 + (((long)(((UCHAR *)up)[1])) << 16)    \
74 + (((long)(((UCHAR *)up)[2])) <<  8)    \
75 + ((long)(((UCHAR *)up)[3])) )
76
77 /************************************************/
78 /*              SCSI CDB operation codes                                */
79 /************************************************/
80 #define SCSIOP_TEST_UNIT_READY          0x00
81 #define SCSIOP_REZERO_UNIT                      0x01
82 #define SCSIOP_REWIND                           0x01
83 #define SCSIOP_REQUEST_BLOCK_ADDR       0x02
84 #define SCSIOP_REQUEST_SENSE            0x03
85 #define SCSIOP_FORMAT_UNIT                      0x04
86 #define SCSIOP_READ_BLOCK_LIMITS        0x05
87 #define SCSIOP_REASSIGN_BLOCKS          0x07
88 #define SCSIOP_READ6                            0x08
89 #define SCSIOP_RECEIVE                          0x08
90 #define SCSIOP_WRITE6                           0x0A
91 #define SCSIOP_PRINT                            0x0A
92 #define SCSIOP_SEND                                     0x0A
93 #define SCSIOP_SEEK6                            0x0B
94 #define SCSIOP_TRACK_SELECT                     0x0B
95 #define SCSIOP_SLEW_PRINT                       0x0B
96 #define SCSIOP_SEEK_BLOCK                       0x0C
97 #define SCSIOP_PARTITION                        0x0D
98 #define SCSIOP_READ_REVERSE                     0x0F
99 #define SCSIOP_WRITE_FILEMARKS          0x10
100 #define SCSIOP_FLUSH_BUFFER                     0x10
101 #define SCSIOP_SPACE                            0x11
102 #define SCSIOP_INQUIRY                          0x12
103 #define SCSIOP_VERIFY6                          0x13
104 #define SCSIOP_RECOVER_BUF_DATA         0x14
105 #define SCSIOP_MODE_SELECT                      0x15
106 #define SCSIOP_RESERVE_UNIT                     0x16
107 #define SCSIOP_RELEASE_UNIT                     0x17
108 #define SCSIOP_COPY                                     0x18
109 #define SCSIOP_ERASE                            0x19
110 #define SCSIOP_MODE_SENSE                       0x1A
111 #define SCSIOP_START_STOP_UNIT          0x1B
112 #define SCSIOP_STOP_PRINT                       0x1B
113 #define SCSIOP_LOAD_UNLOAD                      0x1B
114 #define SCSIOP_RECEIVE_DIAGNOSTIC       0x1C
115 #define SCSIOP_SEND_DIAGNOSTIC          0x1D
116 #define SCSIOP_MEDIUM_REMOVAL           0x1E
117 #define SCSIOP_READ_CAPACITY            0x25
118 #define SCSIOP_READ                                     0x28
119 #define SCSIOP_WRITE                            0x2A
120 #define SCSIOP_SEEK                                     0x2B
121 #define SCSIOP_LOCATE                           0x2B
122 #define SCSIOP_WRITE_VERIFY                     0x2E
123 #define SCSIOP_VERIFY                           0x2F
124 #define SCSIOP_SEARCH_DATA_HIGH         0x30
125 #define SCSIOP_SEARCH_DATA_EQUAL        0x31
126 #define SCSIOP_SEARCH_DATA_LOW          0x32
127 #define SCSIOP_SET_LIMITS                       0x33
128 #define SCSIOP_READ_POSITION            0x34
129 #define SCSIOP_SYNCHRONIZE_CACHE        0x35
130 #define SCSIOP_COMPARE                          0x39
131 #define SCSIOP_COPY_COMPARE                     0x3A
132 #define SCSIOP_WRITE_DATA_BUFF          0x3B
133 #define SCSIOP_READ_DATA_BUFF           0x3C
134 #define SCSIOP_CHANGE_DEFINITION        0x40
135 #define SCSIOP_READ_SUB_CHANNEL         0x42
136 #define SCSIOP_READ_TOC                         0x43
137 #define SCSIOP_READ_HEADER                      0x44
138 #define SCSIOP_PLAY_AUDIO                       0x45
139 #define SCSIOP_PLAY_AUDIO_MSF           0x47
140 #define SCSIOP_PLAY_TRACK_INDEX         0x48
141 #define SCSIOP_PLAY_TRACK_RELATIVE      0x49
142 #define SCSIOP_PAUSE_RESUME                     0x4B
143 #define SCSIOP_LOG_SELECT                       0x4C
144 #define SCSIOP_LOG_SENSE                        0x4D
145 #define SCSIOP_MODE_SELECT10            0x55
146 #define SCSIOP_MODE_SENSE10                     0x5A
147 #define SCSIOP_LOAD_UNLOAD_SLOT         0xA6
148 #define SCSIOP_MECHANISM_STATUS         0xBD
149 #define SCSIOP_READ_CD                          0xBE
150
151 // IDE command definitions
152 #define IDE_COMMAND_ATAPI_RESET         0x08
153 #define IDE_COMMAND_READ                        0x20
154 #define IDE_COMMAND_WRITE                       0x30
155 #define IDE_COMMAND_RECALIBRATE         0x10
156 #define IDE_COMMAND_SEEK                        0x70
157 #define IDE_COMMAND_SET_PARAMETERS      0x91
158 #define IDE_COMMAND_VERIFY                      0x40
159 #define IDE_COMMAND_ATAPI_PACKET        0xA0
160 #define IDE_COMMAND_ATAPI_IDENTIFY      0xA1
161 #define IDE_CMD_READ_MULTIPLE           0xC4
162 #define IDE_CMD_WRITE_MULTIPLE          0xC5
163 #define IDE_CMD_SET_MULTIPLE            0xC6
164 #define IDE_COMMAND_WRITE_DMA           0xCA
165 #define IDE_COMMAND_READ_DMA            0xC8
166 #define IDE_COMMAND_IDENTIFY            0xEC
167
168 // IDE status definitions
169 #define IDE_STATUS_ERROR                        0x01
170 #define IDE_STATUS_INDEX                        0x02
171 #define IDE_STATUS_CORRECTED_ERROR      0x04
172 #define IDE_STATUS_DRQ                          0x08
173 #define IDE_STATUS_DSC                          0x10
174 #define IDE_STATUS_WRITE_FAULT          0x20
175 #define IDE_STATUS_DRDY                         0x40
176 #define IDE_STATUS_BUSY                         0x80
177
178 // IDE error definitions
179 #define IDE_ERROR_AMNF                          0x01
180 #define IDE_ERROR_TKONF                         0x02
181 #define IDE_ERROR_ABRT                          0x04
182 #define IDE_ERROR_MCR                           0x08
183 #define IDE_ERROR_IDFN                          0x10
184 #define IDE_ERROR_MC                            0x20
185 #define IDE_ERROR_UNC                           0x40
186 #define IDE_ERROR_BBK                           0x80
187
188 //      IDE interface structure
189 typedef struct _IDE_STRUCT
190         {
191         union
192                 {
193                 UCHAR   ide[9];
194                 struct
195                         {
196                         USHORT  data;
197                         UCHAR   sectors;
198                         UCHAR   lba[4];
199                         UCHAR   cmd;
200                         UCHAR   spigot;
201                         }       ides;
202                 } ide;
203         }       IDE_STRUCT;
204
205 // SCSI read capacity structure
206 typedef struct _READ_CAPACITY_DATA
207         {
208         ULONG blks;                             /* total blocks (converted to little endian) */
209         ULONG blksiz;                   /* size of each (converted to little endian) */
210         }       READ_CAPACITY_DATA, *PREAD_CAPACITY_DATA;
211
212 // SCSI inquiry data
213 #ifndef HOSTS_C
214
215 typedef struct _INQUIRYDATA
216         {
217         UCHAR DeviceType                        :5;
218         UCHAR DeviceTypeQualifier       :3;
219         UCHAR DeviceTypeModifier        :7;
220         UCHAR RemovableMedia            :1;
221     UCHAR Versions;
222     UCHAR ResponseDataFormat;
223     UCHAR AdditionalLength;
224     UCHAR Reserved[2];
225         UCHAR SoftReset                         :1;
226         UCHAR CommandQueue                      :1;
227         UCHAR Reserved2                         :1;
228         UCHAR LinkedCommands            :1;
229         UCHAR Synchronous                       :1;
230         UCHAR Wide16Bit                         :1;
231         UCHAR Wide32Bit                         :1;
232         UCHAR RelativeAddressing        :1;
233     UCHAR VendorId[8];
234     UCHAR ProductId[16];
235     UCHAR ProductRevisionLevel[4];
236     UCHAR VendorSpecific[20];
237     UCHAR Reserved3[40];
238         }       INQUIRYDATA, *PINQUIRYDATA;
239 #endif
240
241 // IDE IDENTIFY data
242 typedef struct _IDENTIFY_DATA
243         {
244     USHORT GeneralConfiguration;            // 00
245     USHORT NumberOfCylinders;               // 02
246     USHORT Reserved1;                       // 04
247     USHORT NumberOfHeads;                   // 06
248     USHORT UnformattedBytesPerTrack;        // 08
249     USHORT UnformattedBytesPerSector;       // 0A
250     USHORT SectorsPerTrack;                 // 0C
251     USHORT VendorUnique1[3];                // 0E
252     USHORT SerialNumber[10];                // 14
253     USHORT BufferType;                      // 28
254     USHORT BufferSectorSize;                // 2A
255     USHORT NumberOfEccBytes;                // 2C
256     USHORT FirmwareRevision[4];             // 2E
257     USHORT ModelNumber[20];                 // 36
258     UCHAR  MaximumBlockTransfer;            // 5E
259     UCHAR  VendorUnique2;                   // 5F
260     USHORT DoubleWordIo;                    // 60
261     USHORT Capabilities;                    // 62
262     USHORT Reserved2;                       // 64
263     UCHAR  VendorUnique3;                   // 66
264     UCHAR  PioCycleTimingMode;              // 67
265     UCHAR  VendorUnique4;                   // 68
266     UCHAR  DmaCycleTimingMode;              // 69
267     USHORT TranslationFieldsValid:1;        // 6A
268     USHORT Reserved3:15;
269     USHORT NumberOfCurrentCylinders;        // 6C
270     USHORT NumberOfCurrentHeads;            // 6E
271     USHORT CurrentSectorsPerTrack;          // 70
272     ULONG  CurrentSectorCapacity;           // 72
273     USHORT Reserved4[197];                  // 76
274         }       IDENTIFY_DATA, *PIDENTIFY_DATA;
275
276 // Identify data without the Reserved4.
277 typedef struct _IDENTIFY_DATA2 {
278     USHORT GeneralConfiguration;            // 00
279     USHORT NumberOfCylinders;               // 02
280     USHORT Reserved1;                       // 04
281     USHORT NumberOfHeads;                   // 06
282     USHORT UnformattedBytesPerTrack;        // 08
283     USHORT UnformattedBytesPerSector;       // 0A
284     USHORT SectorsPerTrack;                 // 0C
285     USHORT VendorUnique1[3];                // 0E
286     USHORT SerialNumber[10];                // 14
287     USHORT BufferType;                      // 28
288     USHORT BufferSectorSize;                // 2A
289     USHORT NumberOfEccBytes;                // 2C
290     USHORT FirmwareRevision[4];             // 2E
291     USHORT ModelNumber[20];                 // 36
292     UCHAR  MaximumBlockTransfer;            // 5E
293     UCHAR  VendorUnique2;                   // 5F
294     USHORT DoubleWordIo;                    // 60
295     USHORT Capabilities;                    // 62
296     USHORT Reserved2;                       // 64
297     UCHAR  VendorUnique3;                   // 66
298     UCHAR  PioCycleTimingMode;              // 67
299     UCHAR  VendorUnique4;                   // 68
300     UCHAR  DmaCycleTimingMode;              // 69
301         USHORT TranslationFieldsValid:1;        // 6A
302     USHORT Reserved3:15;
303     USHORT NumberOfCurrentCylinders;        // 6C
304     USHORT NumberOfCurrentHeads;            // 6E
305     USHORT CurrentSectorsPerTrack;          // 70
306     ULONG  CurrentSectorCapacity;           // 72
307         }       IDENTIFY_DATA2, *PIDENTIFY_DATA2;
308
309 #endif  // PSI_EIDE_SCSIOP
310
311 // function prototypes
312 int Psi240i_Command                     (Scsi_Cmnd *SCpnt);
313 int Psi240i_Abort                       (Scsi_Cmnd *SCpnt);
314 int Psi240i_Reset                       (Scsi_Cmnd *SCpnt, unsigned int flags);
315 #endif