Commit | Line | Data |
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1da177e4 LT |
1 | /************************************************************************/ |
2 | /* */ | |
3 | /* dc395x.h */ | |
4 | /* */ | |
5 | /* Device Driver for Tekram DC395(U/UW/F), DC315(U) */ | |
6 | /* PCI SCSI Bus Master Host Adapter */ | |
7 | /* (SCSI chip set used Tekram ASIC TRM-S1040) */ | |
8 | /* */ | |
9 | /************************************************************************/ | |
10 | #ifndef DC395x_H | |
11 | #define DC395x_H | |
12 | ||
13 | /************************************************************************/ | |
14 | /* */ | |
15 | /* Initial values */ | |
16 | /* */ | |
17 | /************************************************************************/ | |
18 | #define DC395x_MAX_CMD_QUEUE 32 | |
19 | /* #define DC395x_MAX_QTAGS 32 */ | |
20 | #define DC395x_MAX_QTAGS 16 | |
21 | #define DC395x_MAX_SCSI_ID 16 | |
22 | #define DC395x_MAX_CMD_PER_LUN DC395x_MAX_QTAGS | |
23 | #define DC395x_MAX_SG_TABLESIZE 64 /* HW limitation */ | |
24 | #define DC395x_MAX_SG_LISTENTRY 64 /* Must be equal or lower to previous */ | |
25 | /* item */ | |
26 | #define DC395x_MAX_SRB_CNT 63 | |
27 | /* #define DC395x_MAX_CAN_QUEUE 7 * DC395x_MAX_QTAGS */ | |
28 | #define DC395x_MAX_CAN_QUEUE DC395x_MAX_SRB_CNT | |
29 | #define DC395x_END_SCAN 2 | |
30 | #define DC395x_SEL_TIMEOUT 153 /* 250 ms selection timeout (@ 40 MHz) */ | |
31 | #define DC395x_MAX_RETRIES 3 | |
32 | ||
33 | #if 0 | |
34 | #define SYNC_FIRST | |
35 | #endif | |
36 | ||
37 | #define NORM_REC_LVL 0 | |
38 | ||
39 | /************************************************************************/ | |
40 | /* */ | |
41 | /* Various definitions */ | |
42 | /* */ | |
43 | /************************************************************************/ | |
44 | #define BIT31 0x80000000 | |
45 | #define BIT30 0x40000000 | |
46 | #define BIT29 0x20000000 | |
47 | #define BIT28 0x10000000 | |
48 | #define BIT27 0x08000000 | |
49 | #define BIT26 0x04000000 | |
50 | #define BIT25 0x02000000 | |
51 | #define BIT24 0x01000000 | |
52 | #define BIT23 0x00800000 | |
53 | #define BIT22 0x00400000 | |
54 | #define BIT21 0x00200000 | |
55 | #define BIT20 0x00100000 | |
56 | #define BIT19 0x00080000 | |
57 | #define BIT18 0x00040000 | |
58 | #define BIT17 0x00020000 | |
59 | #define BIT16 0x00010000 | |
60 | #define BIT15 0x00008000 | |
61 | #define BIT14 0x00004000 | |
62 | #define BIT13 0x00002000 | |
63 | #define BIT12 0x00001000 | |
64 | #define BIT11 0x00000800 | |
65 | #define BIT10 0x00000400 | |
66 | #define BIT9 0x00000200 | |
67 | #define BIT8 0x00000100 | |
68 | #define BIT7 0x00000080 | |
69 | #define BIT6 0x00000040 | |
70 | #define BIT5 0x00000020 | |
71 | #define BIT4 0x00000010 | |
72 | #define BIT3 0x00000008 | |
73 | #define BIT2 0x00000004 | |
74 | #define BIT1 0x00000002 | |
75 | #define BIT0 0x00000001 | |
76 | ||
77 | /* UnitCtrlFlag */ | |
78 | #define UNIT_ALLOCATED BIT0 | |
79 | #define UNIT_INFO_CHANGED BIT1 | |
80 | #define FORMATING_MEDIA BIT2 | |
81 | #define UNIT_RETRY BIT3 | |
82 | ||
83 | /* UnitFlags */ | |
84 | #define DASD_SUPPORT BIT0 | |
85 | #define SCSI_SUPPORT BIT1 | |
86 | #define ASPI_SUPPORT BIT2 | |
87 | ||
88 | /* SRBState machine definition */ | |
89 | #define SRB_FREE 0x0000 | |
90 | #define SRB_WAIT 0x0001 | |
91 | #define SRB_READY 0x0002 | |
92 | #define SRB_MSGOUT 0x0004 /* arbitration+msg_out 1st byte */ | |
93 | #define SRB_MSGIN 0x0008 | |
94 | #define SRB_EXTEND_MSGIN 0x0010 | |
95 | #define SRB_COMMAND 0x0020 | |
96 | #define SRB_START_ 0x0040 /* arbitration+msg_out+command_out */ | |
97 | #define SRB_DISCONNECT 0x0080 | |
98 | #define SRB_DATA_XFER 0x0100 | |
99 | #define SRB_XFERPAD 0x0200 | |
100 | #define SRB_STATUS 0x0400 | |
101 | #define SRB_COMPLETED 0x0800 | |
102 | #define SRB_ABORT_SENT 0x1000 | |
103 | #define SRB_DO_SYNC_NEGO 0x2000 | |
104 | #define SRB_DO_WIDE_NEGO 0x4000 | |
105 | #define SRB_UNEXPECT_RESEL 0x8000 | |
106 | ||
107 | /************************************************************************/ | |
108 | /* */ | |
109 | /* ACB Config */ | |
110 | /* */ | |
111 | /************************************************************************/ | |
112 | #define HCC_WIDE_CARD 0x20 | |
113 | #define HCC_SCSI_RESET 0x10 | |
114 | #define HCC_PARITY 0x08 | |
115 | #define HCC_AUTOTERM 0x04 | |
116 | #define HCC_LOW8TERM 0x02 | |
117 | #define HCC_UP8TERM 0x01 | |
118 | ||
119 | /* ACBFlag */ | |
120 | #define RESET_DEV BIT0 | |
121 | #define RESET_DETECT BIT1 | |
122 | #define RESET_DONE BIT2 | |
123 | ||
124 | /* DCBFlag */ | |
125 | #define ABORT_DEV_ BIT0 | |
126 | ||
127 | /* SRBstatus */ | |
128 | #define SRB_OK BIT0 | |
129 | #define ABORTION BIT1 | |
130 | #define OVER_RUN BIT2 | |
131 | #define UNDER_RUN BIT3 | |
132 | #define PARITY_ERROR BIT4 | |
133 | #define SRB_ERROR BIT5 | |
134 | ||
135 | /* SRBFlag */ | |
136 | #define DATAOUT BIT7 | |
137 | #define DATAIN BIT6 | |
138 | #define RESIDUAL_VALID BIT5 | |
139 | #define ENABLE_TIMER BIT4 | |
140 | #define RESET_DEV0 BIT2 | |
141 | #define ABORT_DEV BIT1 | |
142 | #define AUTO_REQSENSE BIT0 | |
143 | ||
144 | /* Adapter status */ | |
145 | #define H_STATUS_GOOD 0 | |
146 | #define H_SEL_TIMEOUT 0x11 | |
147 | #define H_OVER_UNDER_RUN 0x12 | |
148 | #define H_UNEXP_BUS_FREE 0x13 | |
149 | #define H_TARGET_PHASE_F 0x14 | |
150 | #define H_INVALID_CCB_OP 0x16 | |
151 | #define H_LINK_CCB_BAD 0x17 | |
152 | #define H_BAD_TARGET_DIR 0x18 | |
153 | #define H_DUPLICATE_CCB 0x19 | |
154 | #define H_BAD_CCB_OR_SG 0x1A | |
155 | #define H_ABORT 0x0FF | |
156 | ||
157 | /* SCSI BUS Status byte codes */ | |
158 | #define SCSI_STAT_GOOD 0x0 /* Good status */ | |
159 | #define SCSI_STAT_CHECKCOND 0x02 /* SCSI Check Condition */ | |
160 | #define SCSI_STAT_CONDMET 0x04 /* Condition Met */ | |
161 | #define SCSI_STAT_BUSY 0x08 /* Target busy status */ | |
162 | #define SCSI_STAT_INTER 0x10 /* Intermediate status */ | |
163 | #define SCSI_STAT_INTERCONDMET 0x14 /* Intermediate condition met */ | |
164 | #define SCSI_STAT_RESCONFLICT 0x18 /* Reservation conflict */ | |
165 | #define SCSI_STAT_CMDTERM 0x22 /* Command Terminated */ | |
166 | #define SCSI_STAT_QUEUEFULL 0x28 /* Queue Full */ | |
167 | #define SCSI_STAT_UNEXP_BUS_F 0xFD /* Unexpect Bus Free */ | |
168 | #define SCSI_STAT_BUS_RST_DETECT 0xFE /* Scsi Bus Reset detected */ | |
169 | #define SCSI_STAT_SEL_TIMEOUT 0xFF /* Selection Time out */ | |
170 | ||
171 | /* Sync_Mode */ | |
172 | #define SYNC_WIDE_TAG_ATNT_DISABLE 0 | |
173 | #define SYNC_NEGO_ENABLE BIT0 | |
174 | #define SYNC_NEGO_DONE BIT1 | |
175 | #define WIDE_NEGO_ENABLE BIT2 | |
176 | #define WIDE_NEGO_DONE BIT3 | |
177 | #define WIDE_NEGO_STATE BIT4 | |
178 | #define EN_TAG_QUEUEING BIT5 | |
179 | #define EN_ATN_STOP BIT6 | |
180 | ||
181 | #define SYNC_NEGO_OFFSET 15 | |
182 | ||
183 | /* SCSI MSG BYTE */ | |
184 | #define MSG_COMPLETE 0x00 | |
185 | #define MSG_EXTENDED 0x01 | |
186 | #define MSG_SAVE_PTR 0x02 | |
187 | #define MSG_RESTORE_PTR 0x03 | |
188 | #define MSG_DISCONNECT 0x04 | |
189 | #define MSG_INITIATOR_ERROR 0x05 | |
190 | #define MSG_ABORT 0x06 | |
191 | #define MSG_REJECT_ 0x07 | |
192 | #define MSG_NOP 0x08 | |
193 | #define MSG_PARITY_ERROR 0x09 | |
194 | #define MSG_LINK_CMD_COMPL 0x0A | |
195 | #define MSG_LINK_CMD_COMPL_FLG 0x0B | |
196 | #define MSG_BUS_RESET 0x0C | |
197 | #define MSG_ABORT_TAG 0x0D | |
198 | #define MSG_SIMPLE_QTAG 0x20 | |
199 | #define MSG_HEAD_QTAG 0x21 | |
200 | #define MSG_ORDER_QTAG 0x22 | |
201 | #define MSG_IGNOREWIDE 0x23 | |
202 | #define MSG_IDENTIFY 0x80 | |
203 | #define MSG_HOST_ID 0xC0 | |
204 | ||
205 | /* SCSI STATUS BYTE */ | |
206 | #define STATUS_GOOD 0x00 | |
207 | #define CHECK_CONDITION_ 0x02 | |
208 | #define STATUS_BUSY 0x08 | |
209 | #define STATUS_INTERMEDIATE 0x10 | |
210 | #define RESERVE_CONFLICT 0x18 | |
211 | ||
212 | /* cmd->result */ | |
213 | #define STATUS_MASK_ 0xFF | |
214 | #define MSG_MASK 0xFF00 | |
215 | #define RETURN_MASK 0xFF0000 | |
216 | ||
217 | /************************************************************************/ | |
218 | /* */ | |
219 | /* Inquiry Data format */ | |
220 | /* */ | |
221 | /************************************************************************/ | |
222 | struct ScsiInqData | |
223 | { /* INQ */ | |
224 | u8 DevType; /* Periph Qualifier & Periph Dev Type */ | |
225 | u8 RMB_TypeMod; /* rem media bit & Dev Type Modifier */ | |
226 | u8 Vers; /* ISO, ECMA, & ANSI versions */ | |
227 | u8 RDF; /* AEN, TRMIOP, & response data format */ | |
228 | u8 AddLen; /* length of additional data */ | |
229 | u8 Res1; /* reserved */ | |
230 | u8 Res2; /* reserved */ | |
231 | u8 Flags; /* RelADr, Wbus32, Wbus16, Sync, etc. */ | |
232 | u8 VendorID[8]; /* Vendor Identification */ | |
233 | u8 ProductID[16]; /* Product Identification */ | |
234 | u8 ProductRev[4]; /* Product Revision */ | |
235 | }; | |
236 | ||
237 | /* Inquiry byte 0 masks */ | |
238 | #define SCSI_DEVTYPE 0x1F /* Peripheral Device Type */ | |
239 | #define SCSI_PERIPHQUAL 0xE0 /* Peripheral Qualifier */ | |
240 | /* Inquiry byte 1 mask */ | |
241 | #define SCSI_REMOVABLE_MEDIA 0x80 /* Removable Media bit (1=removable) */ | |
242 | /* Peripheral Device Type definitions */ | |
243 | /* See include/scsi/scsi.h */ | |
244 | #define TYPE_NODEV SCSI_DEVTYPE /* Unknown or no device type */ | |
245 | #ifndef TYPE_PRINTER /* */ | |
246 | # define TYPE_PRINTER 0x02 /* Printer device */ | |
247 | #endif /* */ | |
248 | #ifndef TYPE_COMM /* */ | |
249 | # define TYPE_COMM 0x09 /* Communications device */ | |
250 | #endif | |
251 | ||
252 | /************************************************************************/ | |
253 | /* */ | |
254 | /* Inquiry flag definitions (Inq data byte 7) */ | |
255 | /* */ | |
256 | /************************************************************************/ | |
257 | #define SCSI_INQ_RELADR 0x80 /* device supports relative addressing */ | |
258 | #define SCSI_INQ_WBUS32 0x40 /* device supports 32 bit data xfers */ | |
259 | #define SCSI_INQ_WBUS16 0x20 /* device supports 16 bit data xfers */ | |
260 | #define SCSI_INQ_SYNC 0x10 /* device supports synchronous xfer */ | |
261 | #define SCSI_INQ_LINKED 0x08 /* device supports linked commands */ | |
262 | #define SCSI_INQ_CMDQUEUE 0x02 /* device supports command queueing */ | |
263 | #define SCSI_INQ_SFTRE 0x01 /* device supports soft resets */ | |
264 | ||
265 | #define ENABLE_CE 1 | |
266 | #define DISABLE_CE 0 | |
267 | #define EEPROM_READ 0x80 | |
268 | ||
269 | /************************************************************************/ | |
270 | /* */ | |
271 | /* The PCI configuration register offset for TRM_S1040 */ | |
272 | /* */ | |
273 | /************************************************************************/ | |
274 | #define TRM_S1040_ID 0x00 /* Vendor and Device ID */ | |
275 | #define TRM_S1040_COMMAND 0x04 /* PCI command register */ | |
276 | #define TRM_S1040_IOBASE 0x10 /* I/O Space base address */ | |
277 | #define TRM_S1040_ROMBASE 0x30 /* Expansion ROM Base Address */ | |
278 | #define TRM_S1040_INTLINE 0x3C /* Interrupt line */ | |
279 | ||
280 | /************************************************************************/ | |
281 | /* */ | |
282 | /* The SCSI register offset for TRM_S1040 */ | |
283 | /* */ | |
284 | /************************************************************************/ | |
285 | #define TRM_S1040_SCSI_STATUS 0x80 /* SCSI Status (R) */ | |
286 | #define COMMANDPHASEDONE 0x2000 /* SCSI command phase done */ | |
287 | #define SCSIXFERDONE 0x0800 /* SCSI SCSI transfer done */ | |
288 | #define SCSIXFERCNT_2_ZERO 0x0100 /* SCSI SCSI transfer count to zero */ | |
289 | #define SCSIINTERRUPT 0x0080 /* SCSI interrupt pending */ | |
290 | #define COMMANDABORT 0x0040 /* SCSI command abort */ | |
291 | #define SEQUENCERACTIVE 0x0020 /* SCSI sequencer active */ | |
292 | #define PHASEMISMATCH 0x0010 /* SCSI phase mismatch */ | |
293 | #define PARITYERROR 0x0008 /* SCSI parity error */ | |
294 | ||
295 | #define PHASEMASK 0x0007 /* Phase MSG/CD/IO */ | |
296 | #define PH_DATA_OUT 0x00 /* Data out phase */ | |
297 | #define PH_DATA_IN 0x01 /* Data in phase */ | |
298 | #define PH_COMMAND 0x02 /* Command phase */ | |
299 | #define PH_STATUS 0x03 /* Status phase */ | |
300 | #define PH_BUS_FREE 0x05 /* Invalid phase used as bus free */ | |
301 | #define PH_MSG_OUT 0x06 /* Message out phase */ | |
302 | #define PH_MSG_IN 0x07 /* Message in phase */ | |
303 | ||
304 | #define TRM_S1040_SCSI_CONTROL 0x80 /* SCSI Control (W) */ | |
305 | #define DO_CLRATN 0x0400 /* Clear ATN */ | |
306 | #define DO_SETATN 0x0200 /* Set ATN */ | |
307 | #define DO_CMDABORT 0x0100 /* Abort SCSI command */ | |
308 | #define DO_RSTMODULE 0x0010 /* Reset SCSI chip */ | |
309 | #define DO_RSTSCSI 0x0008 /* Reset SCSI bus */ | |
310 | #define DO_CLRFIFO 0x0004 /* Clear SCSI transfer FIFO */ | |
311 | #define DO_DATALATCH 0x0002 /* Enable SCSI bus data input (latched) */ | |
312 | /* #define DO_DATALATCH 0x0000 */ /* KG: DISable SCSI bus data latch */ | |
313 | #define DO_HWRESELECT 0x0001 /* Enable hardware reselection */ | |
314 | ||
315 | #define TRM_S1040_SCSI_FIFOCNT 0x82 /* SCSI FIFO Counter 5bits(R) */ | |
316 | #define TRM_S1040_SCSI_SIGNAL 0x83 /* SCSI low level signal (R/W) */ | |
317 | ||
318 | #define TRM_S1040_SCSI_INTSTATUS 0x84 /* SCSI Interrupt Status (R) */ | |
319 | #define INT_SCAM 0x80 /* SCAM selection interrupt */ | |
320 | #define INT_SELECT 0x40 /* Selection interrupt */ | |
321 | #define INT_SELTIMEOUT 0x20 /* Selection timeout interrupt */ | |
322 | #define INT_DISCONNECT 0x10 /* Bus disconnected interrupt */ | |
323 | #define INT_RESELECTED 0x08 /* Reselected interrupt */ | |
324 | #define INT_SCSIRESET 0x04 /* SCSI reset detected interrupt */ | |
325 | #define INT_BUSSERVICE 0x02 /* Bus service interrupt */ | |
326 | #define INT_CMDDONE 0x01 /* SCSI command done interrupt */ | |
327 | ||
328 | #define TRM_S1040_SCSI_OFFSET 0x84 /* SCSI Offset Count (W) */ | |
329 | ||
330 | /************************************************************************/ | |
331 | /* */ | |
332 | /* Bit Name Definition */ | |
333 | /* --------- ------------- ---------------------------- */ | |
334 | /* 07-05 0 RSVD Reversed. Always 0. */ | |
335 | /* 04 0 OFFSET4 Reversed for LVDS. Always 0. */ | |
336 | /* 03-00 0 OFFSET[03:00] Offset number from 0 to 15 */ | |
337 | /* */ | |
338 | /************************************************************************/ | |
339 | ||
340 | #define TRM_S1040_SCSI_SYNC 0x85 /* SCSI Synchronous Control (R/W) */ | |
341 | #define LVDS_SYNC 0x20 /* Enable LVDS synchronous */ | |
342 | #define WIDE_SYNC 0x10 /* Enable WIDE synchronous */ | |
343 | #define ALT_SYNC 0x08 /* Enable Fast-20 alternate synchronous */ | |
344 | ||
345 | /************************************************************************/ | |
346 | /* */ | |
347 | /* SYNCM 7 6 5 4 3 2 1 0 */ | |
348 | /* Name RSVD RSVD LVDS WIDE ALTPERD PERIOD2 PERIOD1 PERIOD0 */ | |
349 | /* Default 0 0 0 0 0 0 0 0 */ | |
350 | /* */ | |
351 | /* Bit Name Definition */ | |
352 | /* --------- ------------- --------------------------- */ | |
353 | /* 07-06 0 RSVD Reversed. Always read 0 */ | |
354 | /* 05 0 LVDS Reversed. Always read 0 */ | |
355 | /* 04 0 WIDE/WSCSI Enable wide (16-bits) SCSI */ | |
356 | /* transfer. */ | |
357 | /* 03 0 ALTPERD/ALTPD Alternate (Sync./Period) mode. */ | |
358 | /* */ | |
359 | /* @@ When this bit is set, */ | |
360 | /* the synchronous period bits 2:0 */ | |
361 | /* in the Synchronous Mode register */ | |
362 | /* are used to transfer data */ | |
363 | /* at the Fast-20 rate. */ | |
364 | /* @@ When this bit is unset, */ | |
365 | /* the synchronous period bits 2:0 */ | |
366 | /* in the Synchronous Mode Register */ | |
367 | /* are used to transfer data */ | |
368 | /* at the Fast-10 rate (or Fast-40 w/ LVDS). */ | |
369 | /* */ | |
370 | /* 02-00 0 PERIOD[2:0]/ Synchronous SCSI Transfer Rate. */ | |
371 | /* SXPD[02:00] These 3 bits specify */ | |
372 | /* the Synchronous SCSI Transfer */ | |
373 | /* Rate for Fast-20 and Fast-10. */ | |
374 | /* These bits are also reset */ | |
375 | /* by a SCSI Bus reset. */ | |
376 | /* */ | |
377 | /* For Fast-10 bit ALTPD = 0 and LVDS = 0 */ | |
378 | /* and bit2,bit1,bit0 is defined as follows : */ | |
379 | /* */ | |
380 | /* 000 100ns, 10.0 MHz */ | |
381 | /* 001 150ns, 6.6 MHz */ | |
382 | /* 010 200ns, 5.0 MHz */ | |
383 | /* 011 250ns, 4.0 MHz */ | |
384 | /* 100 300ns, 3.3 MHz */ | |
385 | /* 101 350ns, 2.8 MHz */ | |
386 | /* 110 400ns, 2.5 MHz */ | |
387 | /* 111 450ns, 2.2 MHz */ | |
388 | /* */ | |
389 | /* For Fast-20 bit ALTPD = 1 and LVDS = 0 */ | |
390 | /* and bit2,bit1,bit0 is defined as follows : */ | |
391 | /* */ | |
392 | /* 000 50ns, 20.0 MHz */ | |
393 | /* 001 75ns, 13.3 MHz */ | |
394 | /* 010 100ns, 10.0 MHz */ | |
395 | /* 011 125ns, 8.0 MHz */ | |
396 | /* 100 150ns, 6.6 MHz */ | |
397 | /* 101 175ns, 5.7 MHz */ | |
398 | /* 110 200ns, 5.0 MHz */ | |
399 | /* 111 250ns, 4.0 MHz KG: Maybe 225ns, 4.4 MHz */ | |
400 | /* */ | |
401 | /* For Fast-40 bit ALTPD = 0 and LVDS = 1 */ | |
402 | /* and bit2,bit1,bit0 is defined as follows : */ | |
403 | /* */ | |
404 | /* 000 25ns, 40.0 MHz */ | |
405 | /* 001 50ns, 20.0 MHz */ | |
406 | /* 010 75ns, 13.3 MHz */ | |
407 | /* 011 100ns, 10.0 MHz */ | |
408 | /* 100 125ns, 8.0 MHz */ | |
409 | /* 101 150ns, 6.6 MHz */ | |
410 | /* 110 175ns, 5.7 MHz */ | |
411 | /* 111 200ns, 5.0 MHz */ | |
412 | /* */ | |
413 | /************************************************************************/ | |
414 | ||
415 | #define TRM_S1040_SCSI_TARGETID 0x86 /* SCSI Target ID (R/W) */ | |
416 | #define TRM_S1040_SCSI_IDMSG 0x87 /* SCSI Identify Message (R) */ | |
417 | #define TRM_S1040_SCSI_HOSTID 0x87 /* SCSI Host ID (W) */ | |
418 | #define TRM_S1040_SCSI_COUNTER 0x88 /* SCSI Transfer Counter 24bits(R/W) */ | |
419 | ||
420 | #define TRM_S1040_SCSI_INTEN 0x8C /* SCSI Interrupt Enable (R/W) */ | |
421 | #define EN_SCAM 0x80 /* Enable SCAM selection interrupt */ | |
422 | #define EN_SELECT 0x40 /* Enable selection interrupt */ | |
423 | #define EN_SELTIMEOUT 0x20 /* Enable selection timeout interrupt */ | |
424 | #define EN_DISCONNECT 0x10 /* Enable bus disconnected interrupt */ | |
425 | #define EN_RESELECTED 0x08 /* Enable reselected interrupt */ | |
426 | #define EN_SCSIRESET 0x04 /* Enable SCSI reset detected interrupt */ | |
427 | #define EN_BUSSERVICE 0x02 /* Enable bus service interrupt */ | |
428 | #define EN_CMDDONE 0x01 /* Enable SCSI command done interrupt */ | |
429 | ||
430 | #define TRM_S1040_SCSI_CONFIG0 0x8D /* SCSI Configuration 0 (R/W) */ | |
431 | #define PHASELATCH 0x40 /* Enable phase latch */ | |
432 | #define INITIATOR 0x20 /* Enable initiator mode */ | |
433 | #define PARITYCHECK 0x10 /* Enable parity check */ | |
434 | #define BLOCKRST 0x01 /* Disable SCSI reset1 */ | |
435 | ||
436 | #define TRM_S1040_SCSI_CONFIG1 0x8E /* SCSI Configuration 1 (R/W) */ | |
437 | #define ACTIVE_NEGPLUS 0x10 /* Enhance active negation */ | |
438 | #define FILTER_DISABLE 0x08 /* Disable SCSI data filter */ | |
439 | #define FAST_FILTER 0x04 /* ? */ | |
440 | #define ACTIVE_NEG 0x02 /* Enable active negation */ | |
441 | ||
442 | #define TRM_S1040_SCSI_CONFIG2 0x8F /* SCSI Configuration 2 (R/W) */ | |
443 | #define CFG2_WIDEFIFO 0x02 /* */ | |
444 | ||
445 | #define TRM_S1040_SCSI_COMMAND 0x90 /* SCSI Command (R/W) */ | |
446 | #define SCMD_COMP 0x12 /* Command complete */ | |
447 | #define SCMD_SEL_ATN 0x60 /* Selection with ATN */ | |
448 | #define SCMD_SEL_ATN3 0x64 /* Selection with ATN3 */ | |
449 | #define SCMD_SEL_ATNSTOP 0xB8 /* Selection with ATN and Stop */ | |
450 | #define SCMD_FIFO_OUT 0xC0 /* SCSI FIFO transfer out */ | |
451 | #define SCMD_DMA_OUT 0xC1 /* SCSI DMA transfer out */ | |
452 | #define SCMD_FIFO_IN 0xC2 /* SCSI FIFO transfer in */ | |
453 | #define SCMD_DMA_IN 0xC3 /* SCSI DMA transfer in */ | |
454 | #define SCMD_MSGACCEPT 0xD8 /* Message accept */ | |
455 | ||
456 | /************************************************************************/ | |
457 | /* */ | |
458 | /* Code Command Description */ | |
459 | /* ---- ---------------------------------------- */ | |
460 | /* 02 Enable reselection with FIFO */ | |
461 | /* 40 Select without ATN with FIFO */ | |
462 | /* 60 Select with ATN with FIFO */ | |
463 | /* 64 Select with ATN3 with FIFO */ | |
464 | /* A0 Select with ATN and stop with FIFO */ | |
465 | /* C0 Transfer information out with FIFO */ | |
466 | /* C1 Transfer information out with DMA */ | |
467 | /* C2 Transfer information in with FIFO */ | |
468 | /* C3 Transfer information in with DMA */ | |
469 | /* 12 Initiator command complete with FIFO */ | |
470 | /* 50 Initiator transfer information out sequence without ATN */ | |
471 | /* with FIFO */ | |
472 | /* 70 Initiator transfer information out sequence with ATN */ | |
473 | /* with FIFO */ | |
474 | /* 74 Initiator transfer information out sequence with ATN3 */ | |
475 | /* with FIFO */ | |
476 | /* 52 Initiator transfer information in sequence without ATN */ | |
477 | /* with FIFO */ | |
478 | /* 72 Initiator transfer information in sequence with ATN */ | |
479 | /* with FIFO */ | |
480 | /* 76 Initiator transfer information in sequence with ATN3 */ | |
481 | /* with FIFO */ | |
482 | /* 90 Initiator transfer information out command complete */ | |
483 | /* with FIFO */ | |
484 | /* 92 Initiator transfer information in command complete */ | |
485 | /* with FIFO */ | |
486 | /* D2 Enable selection */ | |
487 | /* 08 Reselection */ | |
488 | /* 48 Disconnect command with FIFO */ | |
489 | /* 88 Terminate command with FIFO */ | |
490 | /* C8 Target command complete with FIFO */ | |
491 | /* 18 SCAM Arbitration/ Selection */ | |
492 | /* 5A Enable reselection */ | |
493 | /* 98 Select without ATN with FIFO */ | |
494 | /* B8 Select with ATN with FIFO */ | |
495 | /* D8 Message Accepted */ | |
496 | /* 58 NOP */ | |
497 | /* */ | |
498 | /************************************************************************/ | |
499 | ||
500 | #define TRM_S1040_SCSI_TIMEOUT 0x91 /* SCSI Time Out Value (R/W) */ | |
501 | #define TRM_S1040_SCSI_FIFO 0x98 /* SCSI FIFO (R/W) */ | |
502 | ||
503 | #define TRM_S1040_SCSI_TCR0 0x9C /* SCSI Target Control 0 (R/W) */ | |
504 | #define TCR0_WIDE_NEGO_DONE 0x8000 /* Wide nego done */ | |
505 | #define TCR0_SYNC_NEGO_DONE 0x4000 /* Synchronous nego done */ | |
506 | #define TCR0_ENABLE_LVDS 0x2000 /* Enable LVDS synchronous */ | |
507 | #define TCR0_ENABLE_WIDE 0x1000 /* Enable WIDE synchronous */ | |
508 | #define TCR0_ENABLE_ALT 0x0800 /* Enable alternate synchronous */ | |
509 | #define TCR0_PERIOD_MASK 0x0700 /* Transfer rate */ | |
510 | ||
511 | #define TCR0_DO_WIDE_NEGO 0x0080 /* Do wide NEGO */ | |
512 | #define TCR0_DO_SYNC_NEGO 0x0040 /* Do sync NEGO */ | |
513 | #define TCR0_DISCONNECT_EN 0x0020 /* Disconnection enable */ | |
514 | #define TCR0_OFFSET_MASK 0x001F /* Offset number */ | |
515 | ||
516 | #define TRM_S1040_SCSI_TCR1 0x9E /* SCSI Target Control 1 (R/W) */ | |
517 | #define MAXTAG_MASK 0x7F00 /* Maximum tags (127) */ | |
518 | #define NON_TAG_BUSY 0x0080 /* Non tag command active */ | |
519 | #define ACTTAG_MASK 0x007F /* Active tags */ | |
520 | ||
521 | /************************************************************************/ | |
522 | /* */ | |
523 | /* The DMA register offset for TRM_S1040 */ | |
524 | /* */ | |
525 | /************************************************************************/ | |
526 | #define TRM_S1040_DMA_COMMAND 0xA0 /* DMA Command (R/W) */ | |
527 | #define DMACMD_SG 0x02 /* Enable HW S/G support */ | |
528 | #define DMACMD_DIR 0x01 /* 1 = read from SCSI write to Host */ | |
529 | #define XFERDATAIN_SG 0x0103 /* Transfer data in w/ SG */ | |
530 | #define XFERDATAOUT_SG 0x0102 /* Transfer data out w/ SG */ | |
531 | #define XFERDATAIN 0x0101 /* Transfer data in w/o SG */ | |
532 | #define XFERDATAOUT 0x0100 /* Transfer data out w/o SG */ | |
533 | ||
534 | #define TRM_S1040_DMA_FIFOCNT 0xA1 /* DMA FIFO Counter (R) */ | |
535 | ||
536 | #define TRM_S1040_DMA_CONTROL 0xA1 /* DMA Control (W) */ | |
537 | #define DMARESETMODULE 0x10 /* Reset PCI/DMA module */ | |
538 | #define STOPDMAXFER 0x08 /* Stop DMA transfer */ | |
539 | #define ABORTXFER 0x04 /* Abort DMA transfer */ | |
540 | #define CLRXFIFO 0x02 /* Clear DMA transfer FIFO */ | |
541 | #define STARTDMAXFER 0x01 /* Start DMA transfer */ | |
542 | ||
543 | #define TRM_S1040_DMA_FIFOSTAT 0xA2 /* DMA FIFO Status (R) */ | |
544 | ||
545 | #define TRM_S1040_DMA_STATUS 0xA3 /* DMA Interrupt Status (R/W) */ | |
546 | #define XFERPENDING 0x80 /* Transfer pending */ | |
547 | #define SCSIBUSY 0x40 /* SCSI busy */ | |
548 | #define GLOBALINT 0x20 /* DMA_INTEN bit 0-4 set */ | |
549 | #define FORCEDMACOMP 0x10 /* Force DMA transfer complete */ | |
550 | #define DMAXFERERROR 0x08 /* DMA transfer error */ | |
551 | #define DMAXFERABORT 0x04 /* DMA transfer abort */ | |
552 | #define DMAXFERCOMP 0x02 /* Bus Master XFER Complete status */ | |
553 | #define SCSICOMP 0x01 /* SCSI complete interrupt */ | |
554 | ||
555 | #define TRM_S1040_DMA_INTEN 0xA4 /* DMA Interrupt Enable (R/W) */ | |
556 | #define EN_FORCEDMACOMP 0x10 /* Force DMA transfer complete */ | |
557 | #define EN_DMAXFERERROR 0x08 /* DMA transfer error */ | |
558 | #define EN_DMAXFERABORT 0x04 /* DMA transfer abort */ | |
559 | #define EN_DMAXFERCOMP 0x02 /* Bus Master XFER Complete status */ | |
560 | #define EN_SCSIINTR 0x01 /* Enable SCSI complete interrupt */ | |
561 | ||
562 | #define TRM_S1040_DMA_CONFIG 0xA6 /* DMA Configuration (R/W) */ | |
563 | #define DMA_ENHANCE 0x8000 /* Enable DMA enhance feature (SG?) */ | |
564 | #define DMA_PCI_DUAL_ADDR 0x4000 /* */ | |
565 | #define DMA_CFG_RES 0x2000 /* Always 1 */ | |
566 | #define DMA_AUTO_CLR_FIFO 0x1000 /* DISable DMA auto clear FIFO */ | |
567 | #define DMA_MEM_MULTI_READ 0x0800 /* */ | |
568 | #define DMA_MEM_WRITE_INVAL 0x0400 /* Memory write and invalidate */ | |
569 | #define DMA_FIFO_CTRL 0x0300 /* Control FIFO operation with DMA */ | |
570 | #define DMA_FIFO_HALF_HALF 0x0200 /* Keep half filled on both read/write */ | |
571 | ||
572 | #define TRM_S1040_DMA_XCNT 0xA8 /* DMA Transfer Counter (R/W), 24bits */ | |
573 | #define TRM_S1040_DMA_CXCNT 0xAC /* DMA Current Transfer Counter (R) */ | |
574 | #define TRM_S1040_DMA_XLOWADDR 0xB0 /* DMA Transfer Physical Low Address */ | |
575 | #define TRM_S1040_DMA_XHIGHADDR 0xB4 /* DMA Transfer Physical High Address */ | |
576 | ||
577 | /************************************************************************/ | |
578 | /* */ | |
579 | /* The general register offset for TRM_S1040 */ | |
580 | /* */ | |
581 | /************************************************************************/ | |
582 | #define TRM_S1040_GEN_CONTROL 0xD4 /* Global Control */ | |
583 | #define CTRL_LED 0x80 /* Control onboard LED */ | |
584 | #define EN_EEPROM 0x10 /* Enable EEPROM programming */ | |
585 | #define DIS_TERM 0x08 /* Disable onboard termination */ | |
586 | #define AUTOTERM 0x04 /* Enable Auto SCSI terminator */ | |
587 | #define LOW8TERM 0x02 /* Enable Lower 8 bit SCSI terminator */ | |
588 | #define UP8TERM 0x01 /* Enable Upper 8 bit SCSI terminator */ | |
589 | ||
590 | #define TRM_S1040_GEN_STATUS 0xD5 /* Global Status */ | |
591 | #define GTIMEOUT 0x80 /* Global timer reach 0 */ | |
592 | #define EXT68HIGH 0x40 /* Higher 8 bit connected externally */ | |
593 | #define INT68HIGH 0x20 /* Higher 8 bit connected internally */ | |
594 | #define CON5068 0x10 /* External 50/68 pin connected (low) */ | |
595 | #define CON68 0x08 /* Internal 68 pin connected (low) */ | |
596 | #define CON50 0x04 /* Internal 50 pin connected (low!) */ | |
597 | #define WIDESCSI 0x02 /* Wide SCSI card */ | |
598 | #define STATUS_LOAD_DEFAULT 0x01 /* */ | |
599 | ||
600 | #define TRM_S1040_GEN_NVRAM 0xD6 /* Serial NON-VOLATILE RAM port */ | |
601 | #define NVR_BITOUT 0x08 /* Serial data out */ | |
602 | #define NVR_BITIN 0x04 /* Serial data in */ | |
603 | #define NVR_CLOCK 0x02 /* Serial clock */ | |
604 | #define NVR_SELECT 0x01 /* Serial select */ | |
605 | ||
606 | #define TRM_S1040_GEN_EDATA 0xD7 /* Parallel EEPROM data port */ | |
607 | #define TRM_S1040_GEN_EADDRESS 0xD8 /* Parallel EEPROM address */ | |
608 | #define TRM_S1040_GEN_TIMER 0xDB /* Global timer */ | |
609 | ||
610 | /************************************************************************/ | |
611 | /* */ | |
612 | /* NvmTarCfg0: Target configuration byte 0 :..pDCB->DevMode */ | |
613 | /* */ | |
614 | /************************************************************************/ | |
615 | #define NTC_DO_WIDE_NEGO 0x20 /* Wide negotiate */ | |
616 | #define NTC_DO_TAG_QUEUEING 0x10 /* Enable SCSI tag queuing */ | |
617 | #define NTC_DO_SEND_START 0x08 /* Send start command SPINUP */ | |
618 | #define NTC_DO_DISCONNECT 0x04 /* Enable SCSI disconnect */ | |
619 | #define NTC_DO_SYNC_NEGO 0x02 /* Sync negotiation */ | |
25985edc | 620 | #define NTC_DO_PARITY_CHK 0x01 /* (it should define at NAC) */ |
1da177e4 LT |
621 | /* Parity check enable */ |
622 | ||
623 | /************************************************************************/ | |
624 | /* */ | |
625 | /* Nvram Initiater bits definition */ | |
626 | /* */ | |
627 | /************************************************************************/ | |
628 | #if 0 | |
629 | #define MORE2_DRV BIT0 | |
630 | #define GREATER_1G BIT1 | |
631 | #define RST_SCSI_BUS BIT2 | |
632 | #define ACTIVE_NEGATION BIT3 | |
633 | #define NO_SEEK BIT4 | |
634 | #define LUN_CHECK BIT5 | |
635 | #endif | |
636 | ||
637 | /************************************************************************/ | |
638 | /* */ | |
639 | /* Nvram Adapter Cfg bits definition */ | |
640 | /* */ | |
641 | /************************************************************************/ | |
642 | #define NAC_SCANLUN 0x20 /* Include LUN as BIOS device */ | |
643 | #define NAC_POWERON_SCSI_RESET 0x04 /* Power on reset enable */ | |
644 | #define NAC_GREATER_1G 0x02 /* > 1G support enable */ | |
645 | #define NAC_GT2DRIVES 0x01 /* Support more than 2 drives */ | |
646 | /* #define NAC_DO_PARITY_CHK 0x08 */ /* Parity check enable */ | |
647 | ||
648 | #endif |