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1da177e4 LT |
1 | /*====================================================================== |
2 | ||
3 | NinjaSCSI-3 / NinjaSCSI-32Bi PCMCIA SCSI host adapter card driver | |
4 | By: YOKOTA Hiroshi <yokota@netlab.is.tsukuba.ac.jp> | |
5 | ||
6 | Ver.2.8 Support 32bit MMIO mode | |
7 | Support Synchronous Data Transfer Request (SDTR) mode | |
8 | Ver.2.0 Support 32bit PIO mode | |
9 | Ver.1.1.2 Fix for scatter list buffer exceeds | |
10 | Ver.1.1 Support scatter list | |
11 | Ver.0.1 Initial version | |
12 | ||
13 | This software may be used and distributed according to the terms of | |
14 | the GNU General Public License. | |
15 | ||
16 | ======================================================================*/ | |
17 | ||
18 | /*********************************************************************** | |
19 | This driver is for these PCcards. | |
20 | ||
21 | I-O DATA PCSC-F (Workbit NinjaSCSI-3) | |
22 | "WBT", "NinjaSCSI-3", "R1.0" | |
23 | I-O DATA CBSC-II (Workbit NinjaSCSI-32Bi in 16bit mode) | |
24 | "IO DATA", "CBSC16 ", "1" | |
25 | ||
26 | ***********************************************************************/ | |
27 | ||
28 | /* $Id: nsp_cs.c,v 1.23 2003/08/18 11:09:19 elca Exp $ */ | |
29 | ||
30 | #include <linux/version.h> | |
31 | #include <linux/module.h> | |
32 | #include <linux/kernel.h> | |
33 | #include <linux/init.h> | |
34 | #include <linux/sched.h> | |
35 | #include <linux/slab.h> | |
36 | #include <linux/string.h> | |
37 | #include <linux/timer.h> | |
38 | #include <linux/ioport.h> | |
39 | #include <linux/delay.h> | |
40 | #include <linux/interrupt.h> | |
41 | #include <linux/major.h> | |
42 | #include <linux/blkdev.h> | |
43 | #include <linux/stat.h> | |
44 | ||
45 | #include <asm/io.h> | |
46 | #include <asm/irq.h> | |
47 | ||
48 | #include <../drivers/scsi/scsi.h> | |
49 | #include <scsi/scsi_host.h> | |
50 | ||
51 | #include <scsi/scsi.h> | |
52 | #include <scsi/scsi_ioctl.h> | |
53 | ||
1da177e4 LT |
54 | #include <pcmcia/cs_types.h> |
55 | #include <pcmcia/cs.h> | |
56 | #include <pcmcia/cistpl.h> | |
57 | #include <pcmcia/cisreg.h> | |
58 | #include <pcmcia/ds.h> | |
59 | ||
60 | #include "nsp_cs.h" | |
61 | ||
62 | MODULE_AUTHOR("YOKOTA Hiroshi <yokota@netlab.is.tsukuba.ac.jp>"); | |
63 | MODULE_DESCRIPTION("WorkBit NinjaSCSI-3 / NinjaSCSI-32Bi(16bit) PCMCIA SCSI host adapter module $Revision: 1.23 $"); | |
64 | MODULE_SUPPORTED_DEVICE("sd,sr,sg,st"); | |
65 | #ifdef MODULE_LICENSE | |
66 | MODULE_LICENSE("GPL"); | |
67 | #endif | |
68 | ||
69 | #include "nsp_io.h" | |
70 | ||
71 | /*====================================================================*/ | |
72 | /* Parameters that can be set with 'insmod' */ | |
73 | ||
74 | static int nsp_burst_mode = BURST_MEM32; | |
75 | module_param(nsp_burst_mode, int, 0); | |
76 | MODULE_PARM_DESC(nsp_burst_mode, "Burst transfer mode (0=io8, 1=io32, 2=mem32(default))"); | |
77 | ||
78 | /* Release IO ports after configuration? */ | |
79 | static int free_ports = 0; | |
80 | module_param(free_ports, bool, 0); | |
81 | MODULE_PARM_DESC(free_ports, "Release IO ports after configuration? (default: 0 (=no))"); | |
82 | ||
d0be4a7d | 83 | static struct scsi_host_template nsp_driver_template = { |
1da177e4 LT |
84 | .proc_name = "nsp_cs", |
85 | .proc_info = nsp_proc_info, | |
86 | .name = "WorkBit NinjaSCSI-3/32Bi(16bit)", | |
87 | #if (LINUX_VERSION_CODE < KERNEL_VERSION(2,5,0)) | |
88 | .detect = nsp_detect_old, | |
89 | .release = nsp_release_old, | |
90 | #endif | |
91 | .info = nsp_info, | |
92 | .queuecommand = nsp_queuecommand, | |
1da177e4 | 93 | /* .eh_abort_handler = nsp_eh_abort,*/ |
1da177e4 LT |
94 | .eh_bus_reset_handler = nsp_eh_bus_reset, |
95 | .eh_host_reset_handler = nsp_eh_host_reset, | |
96 | .can_queue = 1, | |
97 | .this_id = NSP_INITIATOR_ID, | |
98 | .sg_tablesize = SG_ALL, | |
99 | .cmd_per_lun = 1, | |
100 | .use_clustering = DISABLE_CLUSTERING, | |
101 | #if (LINUX_VERSION_CODE < KERNEL_VERSION(2,5,2)) | |
102 | .use_new_eh_code = 1, | |
103 | #endif | |
104 | }; | |
105 | ||
1da177e4 LT |
106 | static nsp_hw_data nsp_data_base; /* attach <-> detect glue */ |
107 | ||
108 | ||
109 | ||
110 | /* | |
111 | * debug, error print | |
112 | */ | |
113 | #ifndef NSP_DEBUG | |
114 | # define NSP_DEBUG_MASK 0x000000 | |
115 | # define nsp_msg(type, args...) nsp_cs_message("", 0, (type), args) | |
116 | # define nsp_dbg(mask, args...) /* */ | |
117 | #else | |
118 | # define NSP_DEBUG_MASK 0xffffff | |
119 | # define nsp_msg(type, args...) \ | |
120 | nsp_cs_message (__FUNCTION__, __LINE__, (type), args) | |
121 | # define nsp_dbg(mask, args...) \ | |
122 | nsp_cs_dmessage(__FUNCTION__, __LINE__, (mask), args) | |
123 | #endif | |
124 | ||
125 | #define NSP_DEBUG_QUEUECOMMAND BIT(0) | |
126 | #define NSP_DEBUG_REGISTER BIT(1) | |
127 | #define NSP_DEBUG_AUTOSCSI BIT(2) | |
128 | #define NSP_DEBUG_INTR BIT(3) | |
129 | #define NSP_DEBUG_SGLIST BIT(4) | |
130 | #define NSP_DEBUG_BUSFREE BIT(5) | |
131 | #define NSP_DEBUG_CDB_CONTENTS BIT(6) | |
132 | #define NSP_DEBUG_RESELECTION BIT(7) | |
133 | #define NSP_DEBUG_MSGINOCCUR BIT(8) | |
134 | #define NSP_DEBUG_EEPROM BIT(9) | |
135 | #define NSP_DEBUG_MSGOUTOCCUR BIT(10) | |
136 | #define NSP_DEBUG_BUSRESET BIT(11) | |
137 | #define NSP_DEBUG_RESTART BIT(12) | |
138 | #define NSP_DEBUG_SYNC BIT(13) | |
139 | #define NSP_DEBUG_WAIT BIT(14) | |
140 | #define NSP_DEBUG_TARGETFLAG BIT(15) | |
141 | #define NSP_DEBUG_PROC BIT(16) | |
142 | #define NSP_DEBUG_INIT BIT(17) | |
143 | #define NSP_DEBUG_DATA_IO BIT(18) | |
144 | #define NSP_SPECIAL_PRINT_REGISTER BIT(20) | |
145 | ||
146 | #define NSP_DEBUG_BUF_LEN 150 | |
147 | ||
148 | static void nsp_cs_message(const char *func, int line, char *type, char *fmt, ...) | |
149 | { | |
150 | va_list args; | |
151 | char buf[NSP_DEBUG_BUF_LEN]; | |
152 | ||
153 | va_start(args, fmt); | |
154 | vsnprintf(buf, sizeof(buf), fmt, args); | |
155 | va_end(args); | |
156 | ||
157 | #ifndef NSP_DEBUG | |
158 | printk("%snsp_cs: %s\n", type, buf); | |
159 | #else | |
160 | printk("%snsp_cs: %s (%d): %s\n", type, func, line, buf); | |
161 | #endif | |
162 | } | |
163 | ||
164 | #ifdef NSP_DEBUG | |
165 | static void nsp_cs_dmessage(const char *func, int line, int mask, char *fmt, ...) | |
166 | { | |
167 | va_list args; | |
168 | char buf[NSP_DEBUG_BUF_LEN]; | |
169 | ||
170 | va_start(args, fmt); | |
171 | vsnprintf(buf, sizeof(buf), fmt, args); | |
172 | va_end(args); | |
173 | ||
174 | if (mask & NSP_DEBUG_MASK) { | |
175 | printk("nsp_cs-debug: 0x%x %s (%d): %s\n", mask, func, line, buf); | |
176 | } | |
177 | } | |
178 | #endif | |
179 | ||
180 | /***********************************************************/ | |
181 | ||
182 | /*==================================================== | |
183 | * Clenaup parameters and call done() functions. | |
184 | * You must be set SCpnt->result before call this function. | |
185 | */ | |
186 | static void nsp_scsi_done(Scsi_Cmnd *SCpnt) | |
187 | { | |
188 | nsp_hw_data *data = (nsp_hw_data *)SCpnt->device->host->hostdata; | |
189 | ||
190 | data->CurrentSC = NULL; | |
191 | ||
192 | SCpnt->scsi_done(SCpnt); | |
193 | } | |
194 | ||
195 | static int nsp_queuecommand(Scsi_Cmnd *SCpnt, void (*done)(Scsi_Cmnd *)) | |
196 | { | |
197 | #ifdef NSP_DEBUG | |
198 | /*unsigned int host_id = SCpnt->device->host->this_id;*/ | |
199 | /*unsigned int base = SCpnt->device->host->io_port;*/ | |
422c0d61 | 200 | unsigned char target = scmd_id(SCpnt); |
1da177e4 LT |
201 | #endif |
202 | nsp_hw_data *data = (nsp_hw_data *)SCpnt->device->host->hostdata; | |
203 | ||
204 | nsp_dbg(NSP_DEBUG_QUEUECOMMAND, "SCpnt=0x%p target=%d lun=%d buff=0x%p bufflen=%d use_sg=%d", | |
205 | SCpnt, target, SCpnt->device->lun, SCpnt->request_buffer, SCpnt->request_bufflen, SCpnt->use_sg); | |
206 | //nsp_dbg(NSP_DEBUG_QUEUECOMMAND, "before CurrentSC=0x%p", data->CurrentSC); | |
207 | ||
208 | SCpnt->scsi_done = done; | |
209 | ||
210 | if (data->CurrentSC != NULL) { | |
211 | nsp_msg(KERN_DEBUG, "CurrentSC!=NULL this can't be happen"); | |
212 | SCpnt->result = DID_BAD_TARGET << 16; | |
213 | nsp_scsi_done(SCpnt); | |
214 | return 0; | |
215 | } | |
216 | ||
217 | #if 0 | |
218 | /* XXX: pcmcia-cs generates SCSI command with "scsi_info" utility. | |
219 | This makes kernel crash when suspending... */ | |
220 | if (data->ScsiInfo->stop != 0) { | |
221 | nsp_msg(KERN_INFO, "suspending device. reject command."); | |
222 | SCpnt->result = DID_BAD_TARGET << 16; | |
223 | nsp_scsi_done(SCpnt); | |
224 | return SCSI_MLQUEUE_HOST_BUSY; | |
225 | } | |
226 | #endif | |
227 | ||
228 | show_command(SCpnt); | |
229 | ||
230 | data->CurrentSC = SCpnt; | |
231 | ||
232 | SCpnt->SCp.Status = CHECK_CONDITION; | |
233 | SCpnt->SCp.Message = 0; | |
234 | SCpnt->SCp.have_data_in = IO_UNKNOWN; | |
235 | SCpnt->SCp.sent_command = 0; | |
236 | SCpnt->SCp.phase = PH_UNDETERMINED; | |
237 | SCpnt->resid = SCpnt->request_bufflen; | |
238 | ||
239 | /* setup scratch area | |
240 | SCp.ptr : buffer pointer | |
241 | SCp.this_residual : buffer length | |
242 | SCp.buffer : next buffer | |
243 | SCp.buffers_residual : left buffers in list | |
244 | SCp.phase : current state of the command */ | |
245 | if (SCpnt->use_sg) { | |
246 | SCpnt->SCp.buffer = (struct scatterlist *) SCpnt->request_buffer; | |
247 | SCpnt->SCp.ptr = BUFFER_ADDR; | |
248 | SCpnt->SCp.this_residual = SCpnt->SCp.buffer->length; | |
249 | SCpnt->SCp.buffers_residual = SCpnt->use_sg - 1; | |
250 | } else { | |
251 | SCpnt->SCp.ptr = (char *) SCpnt->request_buffer; | |
252 | SCpnt->SCp.this_residual = SCpnt->request_bufflen; | |
253 | SCpnt->SCp.buffer = NULL; | |
254 | SCpnt->SCp.buffers_residual = 0; | |
255 | } | |
256 | ||
257 | if (nsphw_start_selection(SCpnt) == FALSE) { | |
258 | nsp_dbg(NSP_DEBUG_QUEUECOMMAND, "selection fail"); | |
259 | SCpnt->result = DID_BUS_BUSY << 16; | |
260 | nsp_scsi_done(SCpnt); | |
261 | return 0; | |
262 | } | |
263 | ||
264 | ||
265 | //nsp_dbg(NSP_DEBUG_QUEUECOMMAND, "out"); | |
266 | #ifdef NSP_DEBUG | |
267 | data->CmdId++; | |
268 | #endif | |
269 | return 0; | |
270 | } | |
271 | ||
272 | /* | |
273 | * setup PIO FIFO transfer mode and enable/disable to data out | |
274 | */ | |
275 | static void nsp_setup_fifo(nsp_hw_data *data, int enabled) | |
276 | { | |
277 | unsigned int base = data->BaseAddress; | |
278 | unsigned char transfer_mode_reg; | |
279 | ||
280 | //nsp_dbg(NSP_DEBUG_DATA_IO, "enabled=%d", enabled); | |
281 | ||
282 | if (enabled != FALSE) { | |
283 | transfer_mode_reg = TRANSFER_GO | BRAIND; | |
284 | } else { | |
285 | transfer_mode_reg = 0; | |
286 | } | |
287 | ||
288 | transfer_mode_reg |= data->TransferMode; | |
289 | ||
290 | nsp_index_write(base, TRANSFERMODE, transfer_mode_reg); | |
291 | } | |
292 | ||
293 | static void nsphw_init_sync(nsp_hw_data *data) | |
294 | { | |
295 | sync_data tmp_sync = { .SyncNegotiation = SYNC_NOT_YET, | |
296 | .SyncPeriod = 0, | |
297 | .SyncOffset = 0 | |
298 | }; | |
299 | int i; | |
300 | ||
301 | /* setup sync data */ | |
302 | for ( i = 0; i < ARRAY_SIZE(data->Sync); i++ ) { | |
303 | data->Sync[i] = tmp_sync; | |
304 | } | |
305 | } | |
306 | ||
307 | /* | |
308 | * Initialize Ninja hardware | |
309 | */ | |
310 | static int nsphw_init(nsp_hw_data *data) | |
311 | { | |
312 | unsigned int base = data->BaseAddress; | |
313 | ||
314 | nsp_dbg(NSP_DEBUG_INIT, "in base=0x%x", base); | |
315 | ||
316 | data->ScsiClockDiv = CLOCK_40M | FAST_20; | |
317 | data->CurrentSC = NULL; | |
318 | data->FifoCount = 0; | |
319 | data->TransferMode = MODE_IO8; | |
320 | ||
321 | nsphw_init_sync(data); | |
322 | ||
323 | /* block all interrupts */ | |
324 | nsp_write(base, IRQCONTROL, IRQCONTROL_ALLMASK); | |
325 | ||
326 | /* setup SCSI interface */ | |
327 | nsp_write(base, IFSELECT, IF_IFSEL); | |
328 | ||
329 | nsp_index_write(base, SCSIIRQMODE, 0); | |
330 | ||
331 | nsp_index_write(base, TRANSFERMODE, MODE_IO8); | |
332 | nsp_index_write(base, CLOCKDIV, data->ScsiClockDiv); | |
333 | ||
334 | nsp_index_write(base, PARITYCTRL, 0); | |
335 | nsp_index_write(base, POINTERCLR, POINTER_CLEAR | | |
336 | ACK_COUNTER_CLEAR | | |
337 | REQ_COUNTER_CLEAR | | |
338 | HOST_COUNTER_CLEAR); | |
339 | ||
340 | /* setup fifo asic */ | |
341 | nsp_write(base, IFSELECT, IF_REGSEL); | |
342 | nsp_index_write(base, TERMPWRCTRL, 0); | |
343 | if ((nsp_index_read(base, OTHERCONTROL) & TPWR_SENSE) == 0) { | |
344 | nsp_msg(KERN_INFO, "terminator power on"); | |
345 | nsp_index_write(base, TERMPWRCTRL, POWER_ON); | |
346 | } | |
347 | ||
348 | nsp_index_write(base, TIMERCOUNT, 0); | |
349 | nsp_index_write(base, TIMERCOUNT, 0); /* requires 2 times!! */ | |
350 | ||
351 | nsp_index_write(base, SYNCREG, 0); | |
352 | nsp_index_write(base, ACKWIDTH, 0); | |
353 | ||
354 | /* enable interrupts and ack them */ | |
355 | nsp_index_write(base, SCSIIRQMODE, SCSI_PHASE_CHANGE_EI | | |
356 | RESELECT_EI | | |
357 | SCSI_RESET_IRQ_EI ); | |
358 | nsp_write(base, IRQCONTROL, IRQCONTROL_ALLCLEAR); | |
359 | ||
360 | nsp_setup_fifo(data, FALSE); | |
361 | ||
362 | return TRUE; | |
363 | } | |
364 | ||
365 | /* | |
366 | * Start selection phase | |
367 | */ | |
368 | static int nsphw_start_selection(Scsi_Cmnd *SCpnt) | |
369 | { | |
370 | unsigned int host_id = SCpnt->device->host->this_id; | |
371 | unsigned int base = SCpnt->device->host->io_port; | |
422c0d61 | 372 | unsigned char target = scmd_id(SCpnt); |
1da177e4 LT |
373 | nsp_hw_data *data = (nsp_hw_data *)SCpnt->device->host->hostdata; |
374 | int time_out; | |
375 | unsigned char phase, arbit; | |
376 | ||
377 | //nsp_dbg(NSP_DEBUG_RESELECTION, "in"); | |
378 | ||
379 | phase = nsp_index_read(base, SCSIBUSMON); | |
380 | if(phase != BUSMON_BUS_FREE) { | |
381 | //nsp_dbg(NSP_DEBUG_RESELECTION, "bus busy"); | |
382 | return FALSE; | |
383 | } | |
384 | ||
385 | /* start arbitration */ | |
386 | //nsp_dbg(NSP_DEBUG_RESELECTION, "start arbit"); | |
387 | SCpnt->SCp.phase = PH_ARBSTART; | |
388 | nsp_index_write(base, SETARBIT, ARBIT_GO); | |
389 | ||
390 | time_out = 1000; | |
391 | do { | |
392 | /* XXX: what a stupid chip! */ | |
393 | arbit = nsp_index_read(base, ARBITSTATUS); | |
394 | //nsp_dbg(NSP_DEBUG_RESELECTION, "arbit=%d, wait_count=%d", arbit, wait_count); | |
395 | udelay(1); /* hold 1.2us */ | |
396 | } while((arbit & (ARBIT_WIN | ARBIT_FAIL)) == 0 && | |
397 | (time_out-- != 0)); | |
398 | ||
399 | if (!(arbit & ARBIT_WIN)) { | |
400 | //nsp_dbg(NSP_DEBUG_RESELECTION, "arbit fail"); | |
401 | nsp_index_write(base, SETARBIT, ARBIT_FLAG_CLEAR); | |
402 | return FALSE; | |
403 | } | |
404 | ||
405 | /* assert select line */ | |
406 | //nsp_dbg(NSP_DEBUG_RESELECTION, "assert SEL line"); | |
407 | SCpnt->SCp.phase = PH_SELSTART; | |
408 | udelay(3); /* wait 2.4us */ | |
409 | nsp_index_write(base, SCSIDATALATCH, BIT(host_id) | BIT(target)); | |
410 | nsp_index_write(base, SCSIBUSCTRL, SCSI_SEL | SCSI_BSY | SCSI_ATN); | |
411 | udelay(2); /* wait >1.2us */ | |
412 | nsp_index_write(base, SCSIBUSCTRL, SCSI_SEL | SCSI_BSY | SCSI_DATAOUT_ENB | SCSI_ATN); | |
413 | nsp_index_write(base, SETARBIT, ARBIT_FLAG_CLEAR); | |
414 | /*udelay(1);*/ /* wait >90ns */ | |
415 | nsp_index_write(base, SCSIBUSCTRL, SCSI_SEL | SCSI_DATAOUT_ENB | SCSI_ATN); | |
416 | ||
417 | /* check selection timeout */ | |
418 | nsp_start_timer(SCpnt, 1000/51); | |
419 | data->SelectionTimeOut = 1; | |
420 | ||
421 | return TRUE; | |
422 | } | |
423 | ||
424 | struct nsp_sync_table { | |
425 | unsigned int min_period; | |
426 | unsigned int max_period; | |
427 | unsigned int chip_period; | |
428 | unsigned int ack_width; | |
429 | }; | |
430 | ||
431 | static struct nsp_sync_table nsp_sync_table_40M[] = { | |
432 | {0x0c, 0x0c, 0x1, 0}, /* 20MB 50ns*/ | |
433 | {0x19, 0x19, 0x3, 1}, /* 10MB 100ns*/ | |
434 | {0x1a, 0x25, 0x5, 2}, /* 7.5MB 150ns*/ | |
435 | {0x26, 0x32, 0x7, 3}, /* 5MB 200ns*/ | |
436 | { 0, 0, 0, 0}, | |
437 | }; | |
438 | ||
439 | static struct nsp_sync_table nsp_sync_table_20M[] = { | |
440 | {0x19, 0x19, 0x1, 0}, /* 10MB 100ns*/ | |
441 | {0x1a, 0x25, 0x2, 0}, /* 7.5MB 150ns*/ | |
442 | {0x26, 0x32, 0x3, 1}, /* 5MB 200ns*/ | |
443 | { 0, 0, 0, 0}, | |
444 | }; | |
445 | ||
446 | /* | |
447 | * setup synchronous data transfer mode | |
448 | */ | |
449 | static int nsp_analyze_sdtr(Scsi_Cmnd *SCpnt) | |
450 | { | |
422c0d61 | 451 | unsigned char target = scmd_id(SCpnt); |
1da177e4 LT |
452 | // unsigned char lun = SCpnt->device->lun; |
453 | nsp_hw_data *data = (nsp_hw_data *)SCpnt->device->host->hostdata; | |
454 | sync_data *sync = &(data->Sync[target]); | |
455 | struct nsp_sync_table *sync_table; | |
456 | unsigned int period, offset; | |
457 | int i; | |
458 | ||
459 | ||
460 | nsp_dbg(NSP_DEBUG_SYNC, "in"); | |
461 | ||
462 | period = sync->SyncPeriod; | |
463 | offset = sync->SyncOffset; | |
464 | ||
465 | nsp_dbg(NSP_DEBUG_SYNC, "period=0x%x, offset=0x%x", period, offset); | |
466 | ||
467 | if ((data->ScsiClockDiv & (BIT(0)|BIT(1))) == CLOCK_20M) { | |
468 | sync_table = nsp_sync_table_20M; | |
469 | } else { | |
470 | sync_table = nsp_sync_table_40M; | |
471 | } | |
472 | ||
473 | for ( i = 0; sync_table->max_period != 0; i++, sync_table++) { | |
474 | if ( period >= sync_table->min_period && | |
475 | period <= sync_table->max_period ) { | |
476 | break; | |
477 | } | |
478 | } | |
479 | ||
480 | if (period != 0 && sync_table->max_period == 0) { | |
481 | /* | |
482 | * No proper period/offset found | |
483 | */ | |
484 | nsp_dbg(NSP_DEBUG_SYNC, "no proper period/offset"); | |
485 | ||
486 | sync->SyncPeriod = 0; | |
487 | sync->SyncOffset = 0; | |
488 | sync->SyncRegister = 0; | |
489 | sync->AckWidth = 0; | |
490 | ||
491 | return FALSE; | |
492 | } | |
493 | ||
494 | sync->SyncRegister = (sync_table->chip_period << SYNCREG_PERIOD_SHIFT) | | |
495 | (offset & SYNCREG_OFFSET_MASK); | |
496 | sync->AckWidth = sync_table->ack_width; | |
497 | ||
498 | nsp_dbg(NSP_DEBUG_SYNC, "sync_reg=0x%x, ack_width=0x%x", sync->SyncRegister, sync->AckWidth); | |
499 | ||
500 | return TRUE; | |
501 | } | |
502 | ||
503 | ||
504 | /* | |
505 | * start ninja hardware timer | |
506 | */ | |
507 | static void nsp_start_timer(Scsi_Cmnd *SCpnt, int time) | |
508 | { | |
509 | unsigned int base = SCpnt->device->host->io_port; | |
510 | nsp_hw_data *data = (nsp_hw_data *)SCpnt->device->host->hostdata; | |
511 | ||
512 | //nsp_dbg(NSP_DEBUG_INTR, "in SCpnt=0x%p, time=%d", SCpnt, time); | |
513 | data->TimerCount = time; | |
514 | nsp_index_write(base, TIMERCOUNT, time); | |
515 | } | |
516 | ||
517 | /* | |
518 | * wait for bus phase change | |
519 | */ | |
520 | static int nsp_negate_signal(Scsi_Cmnd *SCpnt, unsigned char mask, char *str) | |
521 | { | |
522 | unsigned int base = SCpnt->device->host->io_port; | |
523 | unsigned char reg; | |
524 | int time_out; | |
525 | ||
526 | //nsp_dbg(NSP_DEBUG_INTR, "in"); | |
527 | ||
528 | time_out = 100; | |
529 | ||
530 | do { | |
531 | reg = nsp_index_read(base, SCSIBUSMON); | |
532 | if (reg == 0xff) { | |
533 | break; | |
534 | } | |
535 | } while ((time_out-- != 0) && (reg & mask) != 0); | |
536 | ||
537 | if (time_out == 0) { | |
538 | nsp_msg(KERN_DEBUG, " %s signal off timeut", str); | |
539 | } | |
540 | ||
541 | return 0; | |
542 | } | |
543 | ||
544 | /* | |
545 | * expect Ninja Irq | |
546 | */ | |
547 | static int nsp_expect_signal(Scsi_Cmnd *SCpnt, | |
548 | unsigned char current_phase, | |
549 | unsigned char mask) | |
550 | { | |
551 | unsigned int base = SCpnt->device->host->io_port; | |
552 | int time_out; | |
553 | unsigned char phase, i_src; | |
554 | ||
555 | //nsp_dbg(NSP_DEBUG_INTR, "current_phase=0x%x, mask=0x%x", current_phase, mask); | |
556 | ||
557 | time_out = 100; | |
558 | do { | |
559 | phase = nsp_index_read(base, SCSIBUSMON); | |
560 | if (phase == 0xff) { | |
561 | //nsp_dbg(NSP_DEBUG_INTR, "ret -1"); | |
562 | return -1; | |
563 | } | |
564 | i_src = nsp_read(base, IRQSTATUS); | |
565 | if (i_src & IRQSTATUS_SCSI) { | |
566 | //nsp_dbg(NSP_DEBUG_INTR, "ret 0 found scsi signal"); | |
567 | return 0; | |
568 | } | |
569 | if ((phase & mask) != 0 && (phase & BUSMON_PHASE_MASK) == current_phase) { | |
570 | //nsp_dbg(NSP_DEBUG_INTR, "ret 1 phase=0x%x", phase); | |
571 | return 1; | |
572 | } | |
573 | } while(time_out-- != 0); | |
574 | ||
575 | //nsp_dbg(NSP_DEBUG_INTR, "timeout"); | |
576 | return -1; | |
577 | } | |
578 | ||
579 | /* | |
580 | * transfer SCSI message | |
581 | */ | |
582 | static int nsp_xfer(Scsi_Cmnd *SCpnt, int phase) | |
583 | { | |
584 | unsigned int base = SCpnt->device->host->io_port; | |
585 | nsp_hw_data *data = (nsp_hw_data *)SCpnt->device->host->hostdata; | |
586 | char *buf = data->MsgBuffer; | |
587 | int len = min(MSGBUF_SIZE, data->MsgLen); | |
588 | int ptr; | |
589 | int ret; | |
590 | ||
591 | //nsp_dbg(NSP_DEBUG_DATA_IO, "in"); | |
592 | for (ptr = 0; len > 0; len--, ptr++) { | |
593 | ||
594 | ret = nsp_expect_signal(SCpnt, phase, BUSMON_REQ); | |
595 | if (ret <= 0) { | |
596 | nsp_dbg(NSP_DEBUG_DATA_IO, "xfer quit"); | |
597 | return 0; | |
598 | } | |
599 | ||
600 | /* if last byte, negate ATN */ | |
601 | if (len == 1 && SCpnt->SCp.phase == PH_MSG_OUT) { | |
602 | nsp_index_write(base, SCSIBUSCTRL, AUTODIRECTION | ACKENB); | |
603 | } | |
604 | ||
605 | /* read & write message */ | |
606 | if (phase & BUSMON_IO) { | |
607 | nsp_dbg(NSP_DEBUG_DATA_IO, "read msg"); | |
608 | buf[ptr] = nsp_index_read(base, SCSIDATAWITHACK); | |
609 | } else { | |
610 | nsp_dbg(NSP_DEBUG_DATA_IO, "write msg"); | |
611 | nsp_index_write(base, SCSIDATAWITHACK, buf[ptr]); | |
612 | } | |
613 | nsp_negate_signal(SCpnt, BUSMON_ACK, "xfer<ack>"); | |
614 | ||
615 | } | |
616 | return len; | |
617 | } | |
618 | ||
619 | /* | |
620 | * get extra SCSI data from fifo | |
621 | */ | |
622 | static int nsp_dataphase_bypass(Scsi_Cmnd *SCpnt) | |
623 | { | |
624 | nsp_hw_data *data = (nsp_hw_data *)SCpnt->device->host->hostdata; | |
625 | unsigned int count; | |
626 | ||
627 | //nsp_dbg(NSP_DEBUG_DATA_IO, "in"); | |
628 | ||
629 | if (SCpnt->SCp.have_data_in != IO_IN) { | |
630 | return 0; | |
631 | } | |
632 | ||
633 | count = nsp_fifo_count(SCpnt); | |
634 | if (data->FifoCount == count) { | |
635 | //nsp_dbg(NSP_DEBUG_DATA_IO, "not use bypass quirk"); | |
636 | return 0; | |
637 | } | |
638 | ||
639 | /* | |
640 | * XXX: NSP_QUIRK | |
641 | * data phase skip only occures in case of SCSI_LOW_READ | |
642 | */ | |
643 | nsp_dbg(NSP_DEBUG_DATA_IO, "use bypass quirk"); | |
644 | SCpnt->SCp.phase = PH_DATA; | |
645 | nsp_pio_read(SCpnt); | |
646 | nsp_setup_fifo(data, FALSE); | |
647 | ||
648 | return 0; | |
649 | } | |
650 | ||
651 | /* | |
652 | * accept reselection | |
653 | */ | |
654 | static int nsp_reselected(Scsi_Cmnd *SCpnt) | |
655 | { | |
656 | unsigned int base = SCpnt->device->host->io_port; | |
657 | unsigned int host_id = SCpnt->device->host->this_id; | |
658 | //nsp_hw_data *data = (nsp_hw_data *)SCpnt->device->host->hostdata; | |
659 | unsigned char bus_reg; | |
660 | unsigned char id_reg, tmp; | |
661 | int target; | |
662 | ||
663 | nsp_dbg(NSP_DEBUG_RESELECTION, "in"); | |
664 | ||
665 | id_reg = nsp_index_read(base, RESELECTID); | |
666 | tmp = id_reg & (~BIT(host_id)); | |
667 | target = 0; | |
668 | while(tmp != 0) { | |
669 | if (tmp & BIT(0)) { | |
670 | break; | |
671 | } | |
672 | tmp >>= 1; | |
673 | target++; | |
674 | } | |
675 | ||
422c0d61 | 676 | if (scmd_id(SCpnt) != target) { |
1da177e4 LT |
677 | nsp_msg(KERN_ERR, "XXX: reselect ID must be %d in this implementation.", target); |
678 | } | |
679 | ||
680 | nsp_negate_signal(SCpnt, BUSMON_SEL, "reselect<SEL>"); | |
681 | ||
682 | nsp_nexus(SCpnt); | |
683 | bus_reg = nsp_index_read(base, SCSIBUSCTRL) & ~(SCSI_BSY | SCSI_ATN); | |
684 | nsp_index_write(base, SCSIBUSCTRL, bus_reg); | |
685 | nsp_index_write(base, SCSIBUSCTRL, bus_reg | AUTODIRECTION | ACKENB); | |
686 | ||
687 | return TRUE; | |
688 | } | |
689 | ||
690 | /* | |
691 | * count how many data transferd | |
692 | */ | |
693 | static int nsp_fifo_count(Scsi_Cmnd *SCpnt) | |
694 | { | |
695 | unsigned int base = SCpnt->device->host->io_port; | |
696 | unsigned int count; | |
697 | unsigned int l, m, h, dummy; | |
698 | ||
699 | nsp_index_write(base, POINTERCLR, POINTER_CLEAR | ACK_COUNTER); | |
700 | ||
701 | l = nsp_index_read(base, TRANSFERCOUNT); | |
702 | m = nsp_index_read(base, TRANSFERCOUNT); | |
703 | h = nsp_index_read(base, TRANSFERCOUNT); | |
704 | dummy = nsp_index_read(base, TRANSFERCOUNT); /* required this! */ | |
705 | ||
706 | count = (h << 16) | (m << 8) | (l << 0); | |
707 | ||
708 | //nsp_dbg(NSP_DEBUG_DATA_IO, "count=0x%x", count); | |
709 | ||
710 | return count; | |
711 | } | |
712 | ||
713 | /* fifo size */ | |
714 | #define RFIFO_CRIT 64 | |
715 | #define WFIFO_CRIT 64 | |
716 | ||
717 | /* | |
718 | * read data in DATA IN phase | |
719 | */ | |
720 | static void nsp_pio_read(Scsi_Cmnd *SCpnt) | |
721 | { | |
722 | unsigned int base = SCpnt->device->host->io_port; | |
723 | unsigned long mmio_base = SCpnt->device->host->base; | |
724 | nsp_hw_data *data = (nsp_hw_data *)SCpnt->device->host->hostdata; | |
725 | long time_out; | |
726 | int ocount, res; | |
727 | unsigned char stat, fifo_stat; | |
728 | ||
729 | ocount = data->FifoCount; | |
730 | ||
731 | nsp_dbg(NSP_DEBUG_DATA_IO, "in SCpnt=0x%p resid=%d ocount=%d ptr=0x%p this_residual=%d buffers=0x%p nbuf=%d", | |
732 | SCpnt, SCpnt->resid, ocount, SCpnt->SCp.ptr, SCpnt->SCp.this_residual, SCpnt->SCp.buffer, SCpnt->SCp.buffers_residual); | |
733 | ||
734 | time_out = 1000; | |
735 | ||
736 | while ((time_out-- != 0) && | |
737 | (SCpnt->SCp.this_residual > 0 || SCpnt->SCp.buffers_residual > 0 ) ) { | |
738 | ||
739 | stat = nsp_index_read(base, SCSIBUSMON); | |
740 | stat &= BUSMON_PHASE_MASK; | |
741 | ||
742 | ||
743 | res = nsp_fifo_count(SCpnt) - ocount; | |
744 | //nsp_dbg(NSP_DEBUG_DATA_IO, "ptr=0x%p this=0x%x ocount=0x%x res=0x%x", SCpnt->SCp.ptr, SCpnt->SCp.this_residual, ocount, res); | |
745 | if (res == 0) { /* if some data avilable ? */ | |
746 | if (stat == BUSPHASE_DATA_IN) { /* phase changed? */ | |
747 | //nsp_dbg(NSP_DEBUG_DATA_IO, " wait for data this=%d", SCpnt->SCp.this_residual); | |
748 | continue; | |
749 | } else { | |
750 | nsp_dbg(NSP_DEBUG_DATA_IO, "phase changed stat=0x%x", stat); | |
751 | break; | |
752 | } | |
753 | } | |
754 | ||
755 | fifo_stat = nsp_read(base, FIFOSTATUS); | |
756 | if ((fifo_stat & FIFOSTATUS_FULL_EMPTY) == 0 && | |
757 | stat == BUSPHASE_DATA_IN) { | |
758 | continue; | |
759 | } | |
760 | ||
761 | res = min(res, SCpnt->SCp.this_residual); | |
762 | ||
763 | switch (data->TransferMode) { | |
764 | case MODE_IO32: | |
765 | res &= ~(BIT(1)|BIT(0)); /* align 4 */ | |
766 | nsp_fifo32_read(base, SCpnt->SCp.ptr, res >> 2); | |
767 | break; | |
768 | case MODE_IO8: | |
769 | nsp_fifo8_read (base, SCpnt->SCp.ptr, res ); | |
770 | break; | |
771 | ||
772 | case MODE_MEM32: | |
773 | res &= ~(BIT(1)|BIT(0)); /* align 4 */ | |
774 | nsp_mmio_fifo32_read(mmio_base, SCpnt->SCp.ptr, res >> 2); | |
775 | break; | |
776 | ||
777 | default: | |
778 | nsp_dbg(NSP_DEBUG_DATA_IO, "unknown read mode"); | |
779 | return; | |
780 | } | |
781 | ||
782 | SCpnt->resid -= res; | |
783 | SCpnt->SCp.ptr += res; | |
784 | SCpnt->SCp.this_residual -= res; | |
785 | ocount += res; | |
786 | //nsp_dbg(NSP_DEBUG_DATA_IO, "ptr=0x%p this_residual=0x%x ocount=0x%x", SCpnt->SCp.ptr, SCpnt->SCp.this_residual, ocount); | |
787 | ||
788 | /* go to next scatter list if available */ | |
789 | if (SCpnt->SCp.this_residual == 0 && | |
790 | SCpnt->SCp.buffers_residual != 0 ) { | |
791 | //nsp_dbg(NSP_DEBUG_DATA_IO, "scatterlist next timeout=%d", time_out); | |
792 | SCpnt->SCp.buffers_residual--; | |
793 | SCpnt->SCp.buffer++; | |
794 | SCpnt->SCp.ptr = BUFFER_ADDR; | |
795 | SCpnt->SCp.this_residual = SCpnt->SCp.buffer->length; | |
796 | time_out = 1000; | |
797 | ||
798 | //nsp_dbg(NSP_DEBUG_DATA_IO, "page: 0x%p, off: 0x%x", SCpnt->SCp.buffer->page, SCpnt->SCp.buffer->offset); | |
799 | } | |
800 | } | |
801 | ||
802 | data->FifoCount = ocount; | |
803 | ||
804 | if (time_out == 0) { | |
805 | nsp_msg(KERN_DEBUG, "pio read timeout resid=%d this_residual=%d buffers_residual=%d", | |
806 | SCpnt->resid, SCpnt->SCp.this_residual, SCpnt->SCp.buffers_residual); | |
807 | } | |
808 | nsp_dbg(NSP_DEBUG_DATA_IO, "read ocount=0x%x", ocount); | |
809 | nsp_dbg(NSP_DEBUG_DATA_IO, "r cmd=%d resid=0x%x\n", data->CmdId, SCpnt->resid); | |
810 | } | |
811 | ||
812 | /* | |
813 | * write data in DATA OUT phase | |
814 | */ | |
815 | static void nsp_pio_write(Scsi_Cmnd *SCpnt) | |
816 | { | |
817 | unsigned int base = SCpnt->device->host->io_port; | |
818 | unsigned long mmio_base = SCpnt->device->host->base; | |
819 | nsp_hw_data *data = (nsp_hw_data *)SCpnt->device->host->hostdata; | |
820 | int time_out; | |
821 | int ocount, res; | |
822 | unsigned char stat; | |
823 | ||
824 | ocount = data->FifoCount; | |
825 | ||
826 | nsp_dbg(NSP_DEBUG_DATA_IO, "in fifocount=%d ptr=0x%p this_residual=%d buffers=0x%p nbuf=%d resid=0x%x", | |
827 | data->FifoCount, SCpnt->SCp.ptr, SCpnt->SCp.this_residual, SCpnt->SCp.buffer, SCpnt->SCp.buffers_residual, SCpnt->resid); | |
828 | ||
829 | time_out = 1000; | |
830 | ||
831 | while ((time_out-- != 0) && | |
832 | (SCpnt->SCp.this_residual > 0 || SCpnt->SCp.buffers_residual > 0)) { | |
833 | stat = nsp_index_read(base, SCSIBUSMON); | |
834 | stat &= BUSMON_PHASE_MASK; | |
835 | ||
836 | if (stat != BUSPHASE_DATA_OUT) { | |
837 | res = ocount - nsp_fifo_count(SCpnt); | |
838 | ||
839 | nsp_dbg(NSP_DEBUG_DATA_IO, "phase changed stat=0x%x, res=%d\n", stat, res); | |
840 | /* Put back pointer */ | |
841 | SCpnt->resid += res; | |
842 | SCpnt->SCp.ptr -= res; | |
843 | SCpnt->SCp.this_residual += res; | |
844 | ocount -= res; | |
845 | ||
846 | break; | |
847 | } | |
848 | ||
849 | res = ocount - nsp_fifo_count(SCpnt); | |
850 | if (res > 0) { /* write all data? */ | |
851 | nsp_dbg(NSP_DEBUG_DATA_IO, "wait for all data out. ocount=0x%x res=%d", ocount, res); | |
852 | continue; | |
853 | } | |
854 | ||
855 | res = min(SCpnt->SCp.this_residual, WFIFO_CRIT); | |
856 | ||
857 | //nsp_dbg(NSP_DEBUG_DATA_IO, "ptr=0x%p this=0x%x res=0x%x", SCpnt->SCp.ptr, SCpnt->SCp.this_residual, res); | |
858 | switch (data->TransferMode) { | |
859 | case MODE_IO32: | |
860 | res &= ~(BIT(1)|BIT(0)); /* align 4 */ | |
861 | nsp_fifo32_write(base, SCpnt->SCp.ptr, res >> 2); | |
862 | break; | |
863 | case MODE_IO8: | |
864 | nsp_fifo8_write (base, SCpnt->SCp.ptr, res ); | |
865 | break; | |
866 | ||
867 | case MODE_MEM32: | |
868 | res &= ~(BIT(1)|BIT(0)); /* align 4 */ | |
869 | nsp_mmio_fifo32_write(mmio_base, SCpnt->SCp.ptr, res >> 2); | |
870 | break; | |
871 | ||
872 | default: | |
873 | nsp_dbg(NSP_DEBUG_DATA_IO, "unknown write mode"); | |
874 | break; | |
875 | } | |
876 | ||
877 | SCpnt->resid -= res; | |
878 | SCpnt->SCp.ptr += res; | |
879 | SCpnt->SCp.this_residual -= res; | |
880 | ocount += res; | |
881 | ||
882 | /* go to next scatter list if available */ | |
883 | if (SCpnt->SCp.this_residual == 0 && | |
884 | SCpnt->SCp.buffers_residual != 0 ) { | |
885 | //nsp_dbg(NSP_DEBUG_DATA_IO, "scatterlist next"); | |
886 | SCpnt->SCp.buffers_residual--; | |
887 | SCpnt->SCp.buffer++; | |
888 | SCpnt->SCp.ptr = BUFFER_ADDR; | |
889 | SCpnt->SCp.this_residual = SCpnt->SCp.buffer->length; | |
890 | time_out = 1000; | |
891 | } | |
892 | } | |
893 | ||
894 | data->FifoCount = ocount; | |
895 | ||
896 | if (time_out == 0) { | |
897 | nsp_msg(KERN_DEBUG, "pio write timeout resid=0x%x", SCpnt->resid); | |
898 | } | |
899 | nsp_dbg(NSP_DEBUG_DATA_IO, "write ocount=0x%x", ocount); | |
900 | nsp_dbg(NSP_DEBUG_DATA_IO, "w cmd=%d resid=0x%x\n", data->CmdId, SCpnt->resid); | |
901 | } | |
902 | #undef RFIFO_CRIT | |
903 | #undef WFIFO_CRIT | |
904 | ||
905 | /* | |
906 | * setup synchronous/asynchronous data transfer mode | |
907 | */ | |
908 | static int nsp_nexus(Scsi_Cmnd *SCpnt) | |
909 | { | |
910 | unsigned int base = SCpnt->device->host->io_port; | |
422c0d61 | 911 | unsigned char target = scmd_id(SCpnt); |
1da177e4 LT |
912 | // unsigned char lun = SCpnt->device->lun; |
913 | nsp_hw_data *data = (nsp_hw_data *)SCpnt->device->host->hostdata; | |
914 | sync_data *sync = &(data->Sync[target]); | |
915 | ||
916 | //nsp_dbg(NSP_DEBUG_DATA_IO, "in SCpnt=0x%p", SCpnt); | |
917 | ||
918 | /* setup synch transfer registers */ | |
919 | nsp_index_write(base, SYNCREG, sync->SyncRegister); | |
920 | nsp_index_write(base, ACKWIDTH, sync->AckWidth); | |
921 | ||
922 | if (SCpnt->use_sg == 0 || | |
923 | SCpnt->resid % 4 != 0 || | |
924 | SCpnt->resid <= PAGE_SIZE ) { | |
925 | data->TransferMode = MODE_IO8; | |
926 | } else if (nsp_burst_mode == BURST_MEM32) { | |
927 | data->TransferMode = MODE_MEM32; | |
928 | } else if (nsp_burst_mode == BURST_IO32) { | |
929 | data->TransferMode = MODE_IO32; | |
930 | } else { | |
931 | data->TransferMode = MODE_IO8; | |
932 | } | |
933 | ||
934 | /* setup pdma fifo */ | |
935 | nsp_setup_fifo(data, TRUE); | |
936 | ||
937 | /* clear ack counter */ | |
938 | data->FifoCount = 0; | |
939 | nsp_index_write(base, POINTERCLR, POINTER_CLEAR | | |
940 | ACK_COUNTER_CLEAR | | |
941 | REQ_COUNTER_CLEAR | | |
942 | HOST_COUNTER_CLEAR); | |
943 | ||
944 | return 0; | |
945 | } | |
946 | ||
947 | #include "nsp_message.c" | |
948 | /* | |
949 | * interrupt handler | |
950 | */ | |
7d12e780 | 951 | static irqreturn_t nspintr(int irq, void *dev_id) |
1da177e4 LT |
952 | { |
953 | unsigned int base; | |
954 | unsigned char irq_status, irq_phase, phase; | |
955 | Scsi_Cmnd *tmpSC; | |
956 | unsigned char target, lun; | |
957 | unsigned int *sync_neg; | |
958 | int i, tmp; | |
959 | nsp_hw_data *data; | |
960 | ||
961 | ||
962 | //nsp_dbg(NSP_DEBUG_INTR, "dev_id=0x%p", dev_id); | |
963 | //nsp_dbg(NSP_DEBUG_INTR, "host=0x%p", ((scsi_info_t *)dev_id)->host); | |
964 | ||
965 | if ( dev_id != NULL && | |
966 | ((scsi_info_t *)dev_id)->host != NULL ) { | |
967 | scsi_info_t *info = (scsi_info_t *)dev_id; | |
968 | ||
969 | data = (nsp_hw_data *)info->host->hostdata; | |
970 | } else { | |
971 | nsp_dbg(NSP_DEBUG_INTR, "host data wrong"); | |
972 | return IRQ_NONE; | |
973 | } | |
974 | ||
975 | //nsp_dbg(NSP_DEBUG_INTR, "&nsp_data_base=0x%p, dev_id=0x%p", &nsp_data_base, dev_id); | |
976 | ||
977 | base = data->BaseAddress; | |
978 | //nsp_dbg(NSP_DEBUG_INTR, "base=0x%x", base); | |
979 | ||
980 | /* | |
981 | * interrupt check | |
982 | */ | |
983 | nsp_write(base, IRQCONTROL, IRQCONTROL_IRQDISABLE); | |
984 | irq_status = nsp_read(base, IRQSTATUS); | |
985 | //nsp_dbg(NSP_DEBUG_INTR, "irq_status=0x%x", irq_status); | |
986 | if ((irq_status == 0xff) || ((irq_status & IRQSTATUS_MASK) == 0)) { | |
987 | nsp_write(base, IRQCONTROL, 0); | |
988 | //nsp_dbg(NSP_DEBUG_INTR, "no irq/shared irq"); | |
989 | return IRQ_NONE; | |
990 | } | |
991 | ||
992 | /* XXX: IMPORTANT | |
993 | * Do not read an irq_phase register if no scsi phase interrupt. | |
994 | * Unless, you should lose a scsi phase interrupt. | |
995 | */ | |
996 | phase = nsp_index_read(base, SCSIBUSMON); | |
997 | if((irq_status & IRQSTATUS_SCSI) != 0) { | |
998 | irq_phase = nsp_index_read(base, IRQPHASESENCE); | |
999 | } else { | |
1000 | irq_phase = 0; | |
1001 | } | |
1002 | ||
1003 | //nsp_dbg(NSP_DEBUG_INTR, "irq_phase=0x%x", irq_phase); | |
1004 | ||
1005 | /* | |
1006 | * timer interrupt handler (scsi vs timer interrupts) | |
1007 | */ | |
1008 | //nsp_dbg(NSP_DEBUG_INTR, "timercount=%d", data->TimerCount); | |
1009 | if (data->TimerCount != 0) { | |
1010 | //nsp_dbg(NSP_DEBUG_INTR, "stop timer"); | |
1011 | nsp_index_write(base, TIMERCOUNT, 0); | |
1012 | nsp_index_write(base, TIMERCOUNT, 0); | |
1013 | data->TimerCount = 0; | |
1014 | } | |
1015 | ||
1016 | if ((irq_status & IRQSTATUS_MASK) == IRQSTATUS_TIMER && | |
1017 | data->SelectionTimeOut == 0) { | |
1018 | //nsp_dbg(NSP_DEBUG_INTR, "timer start"); | |
1019 | nsp_write(base, IRQCONTROL, IRQCONTROL_TIMER_CLEAR); | |
1020 | return IRQ_HANDLED; | |
1021 | } | |
1022 | ||
1023 | nsp_write(base, IRQCONTROL, IRQCONTROL_TIMER_CLEAR | IRQCONTROL_FIFO_CLEAR); | |
1024 | ||
1025 | if ((irq_status & IRQSTATUS_SCSI) && | |
1026 | (irq_phase & SCSI_RESET_IRQ)) { | |
1027 | nsp_msg(KERN_ERR, "bus reset (power off?)"); | |
1028 | ||
1029 | nsphw_init(data); | |
1030 | nsp_bus_reset(data); | |
1031 | ||
1032 | if(data->CurrentSC != NULL) { | |
1033 | tmpSC = data->CurrentSC; | |
1034 | tmpSC->result = (DID_RESET << 16) | | |
1035 | ((tmpSC->SCp.Message & 0xff) << 8) | | |
1036 | ((tmpSC->SCp.Status & 0xff) << 0); | |
1037 | nsp_scsi_done(tmpSC); | |
1038 | } | |
1039 | return IRQ_HANDLED; | |
1040 | } | |
1041 | ||
1042 | if (data->CurrentSC == NULL) { | |
1043 | nsp_msg(KERN_ERR, "CurrentSC==NULL irq_status=0x%x phase=0x%x irq_phase=0x%x this can't be happen. reset everything", irq_status, phase, irq_phase); | |
1044 | nsphw_init(data); | |
1045 | nsp_bus_reset(data); | |
1046 | return IRQ_HANDLED; | |
1047 | } | |
1048 | ||
1049 | tmpSC = data->CurrentSC; | |
1050 | target = tmpSC->device->id; | |
1051 | lun = tmpSC->device->lun; | |
1052 | sync_neg = &(data->Sync[target].SyncNegotiation); | |
1053 | ||
1054 | /* | |
1055 | * parse hardware SCSI irq reasons register | |
1056 | */ | |
1057 | if (irq_status & IRQSTATUS_SCSI) { | |
1058 | if (irq_phase & RESELECT_IRQ) { | |
1059 | nsp_dbg(NSP_DEBUG_INTR, "reselect"); | |
1060 | nsp_write(base, IRQCONTROL, IRQCONTROL_RESELECT_CLEAR); | |
1061 | if (nsp_reselected(tmpSC) != FALSE) { | |
1062 | return IRQ_HANDLED; | |
1063 | } | |
1064 | } | |
1065 | ||
1066 | if ((irq_phase & (PHASE_CHANGE_IRQ | LATCHED_BUS_FREE)) == 0) { | |
1067 | return IRQ_HANDLED; | |
1068 | } | |
1069 | } | |
1070 | ||
1071 | //show_phase(tmpSC); | |
1072 | ||
1073 | switch(tmpSC->SCp.phase) { | |
1074 | case PH_SELSTART: | |
1075 | // *sync_neg = SYNC_NOT_YET; | |
1076 | if ((phase & BUSMON_BSY) == 0) { | |
1077 | //nsp_dbg(NSP_DEBUG_INTR, "selection count=%d", data->SelectionTimeOut); | |
1078 | if (data->SelectionTimeOut >= NSP_SELTIMEOUT) { | |
1079 | nsp_dbg(NSP_DEBUG_INTR, "selection time out"); | |
1080 | data->SelectionTimeOut = 0; | |
1081 | nsp_index_write(base, SCSIBUSCTRL, 0); | |
1082 | ||
1083 | tmpSC->result = DID_TIME_OUT << 16; | |
1084 | nsp_scsi_done(tmpSC); | |
1085 | ||
1086 | return IRQ_HANDLED; | |
1087 | } | |
1088 | data->SelectionTimeOut += 1; | |
1089 | nsp_start_timer(tmpSC, 1000/51); | |
1090 | return IRQ_HANDLED; | |
1091 | } | |
1092 | ||
1093 | /* attention assert */ | |
1094 | //nsp_dbg(NSP_DEBUG_INTR, "attention assert"); | |
1095 | data->SelectionTimeOut = 0; | |
1096 | tmpSC->SCp.phase = PH_SELECTED; | |
1097 | nsp_index_write(base, SCSIBUSCTRL, SCSI_ATN); | |
1098 | udelay(1); | |
1099 | nsp_index_write(base, SCSIBUSCTRL, SCSI_ATN | AUTODIRECTION | ACKENB); | |
1100 | return IRQ_HANDLED; | |
1101 | ||
1102 | break; | |
1103 | ||
1104 | case PH_RESELECT: | |
1105 | //nsp_dbg(NSP_DEBUG_INTR, "phase reselect"); | |
1106 | // *sync_neg = SYNC_NOT_YET; | |
1107 | if ((phase & BUSMON_PHASE_MASK) != BUSPHASE_MESSAGE_IN) { | |
1108 | ||
1109 | tmpSC->result = DID_ABORT << 16; | |
1110 | nsp_scsi_done(tmpSC); | |
1111 | return IRQ_HANDLED; | |
1112 | } | |
1113 | /* fall thru */ | |
1114 | default: | |
1115 | if ((irq_status & (IRQSTATUS_SCSI | IRQSTATUS_FIFO)) == 0) { | |
1116 | return IRQ_HANDLED; | |
1117 | } | |
1118 | break; | |
1119 | } | |
1120 | ||
1121 | /* | |
1122 | * SCSI sequencer | |
1123 | */ | |
1124 | //nsp_dbg(NSP_DEBUG_INTR, "start scsi seq"); | |
1125 | ||
1126 | /* normal disconnect */ | |
1127 | if (((tmpSC->SCp.phase == PH_MSG_IN) || (tmpSC->SCp.phase == PH_MSG_OUT)) && | |
1128 | (irq_phase & LATCHED_BUS_FREE) != 0 ) { | |
1129 | nsp_dbg(NSP_DEBUG_INTR, "normal disconnect irq_status=0x%x, phase=0x%x, irq_phase=0x%x", irq_status, phase, irq_phase); | |
1130 | ||
1131 | //*sync_neg = SYNC_NOT_YET; | |
1132 | ||
1133 | if ((tmpSC->SCp.Message == MSG_COMMAND_COMPLETE)) { /* all command complete and return status */ | |
1134 | tmpSC->result = (DID_OK << 16) | | |
1135 | ((tmpSC->SCp.Message & 0xff) << 8) | | |
1136 | ((tmpSC->SCp.Status & 0xff) << 0); | |
1137 | nsp_dbg(NSP_DEBUG_INTR, "command complete result=0x%x", tmpSC->result); | |
1138 | nsp_scsi_done(tmpSC); | |
1139 | ||
1140 | return IRQ_HANDLED; | |
1141 | } | |
1142 | ||
1143 | return IRQ_HANDLED; | |
1144 | } | |
1145 | ||
1146 | ||
1147 | /* check unexpected bus free state */ | |
1148 | if (phase == 0) { | |
1149 | nsp_msg(KERN_DEBUG, "unexpected bus free. irq_status=0x%x, phase=0x%x, irq_phase=0x%x", irq_status, phase, irq_phase); | |
1150 | ||
1151 | *sync_neg = SYNC_NG; | |
1152 | tmpSC->result = DID_ERROR << 16; | |
1153 | nsp_scsi_done(tmpSC); | |
1154 | return IRQ_HANDLED; | |
1155 | } | |
1156 | ||
1157 | switch (phase & BUSMON_PHASE_MASK) { | |
1158 | case BUSPHASE_COMMAND: | |
1159 | nsp_dbg(NSP_DEBUG_INTR, "BUSPHASE_COMMAND"); | |
1160 | if ((phase & BUSMON_REQ) == 0) { | |
1161 | nsp_dbg(NSP_DEBUG_INTR, "REQ == 0"); | |
1162 | return IRQ_HANDLED; | |
1163 | } | |
1164 | ||
1165 | tmpSC->SCp.phase = PH_COMMAND; | |
1166 | ||
1167 | nsp_nexus(tmpSC); | |
1168 | ||
1169 | /* write scsi command */ | |
1170 | nsp_dbg(NSP_DEBUG_INTR, "cmd_len=%d", tmpSC->cmd_len); | |
1171 | nsp_index_write(base, COMMANDCTRL, CLEAR_COMMAND_POINTER); | |
1172 | for (i = 0; i < tmpSC->cmd_len; i++) { | |
1173 | nsp_index_write(base, COMMANDDATA, tmpSC->cmnd[i]); | |
1174 | } | |
1175 | nsp_index_write(base, COMMANDCTRL, CLEAR_COMMAND_POINTER | AUTO_COMMAND_GO); | |
1176 | break; | |
1177 | ||
1178 | case BUSPHASE_DATA_OUT: | |
1179 | nsp_dbg(NSP_DEBUG_INTR, "BUSPHASE_DATA_OUT"); | |
1180 | ||
1181 | tmpSC->SCp.phase = PH_DATA; | |
1182 | tmpSC->SCp.have_data_in = IO_OUT; | |
1183 | ||
1184 | nsp_pio_write(tmpSC); | |
1185 | ||
1186 | break; | |
1187 | ||
1188 | case BUSPHASE_DATA_IN: | |
1189 | nsp_dbg(NSP_DEBUG_INTR, "BUSPHASE_DATA_IN"); | |
1190 | ||
1191 | tmpSC->SCp.phase = PH_DATA; | |
1192 | tmpSC->SCp.have_data_in = IO_IN; | |
1193 | ||
1194 | nsp_pio_read(tmpSC); | |
1195 | ||
1196 | break; | |
1197 | ||
1198 | case BUSPHASE_STATUS: | |
1199 | nsp_dataphase_bypass(tmpSC); | |
1200 | nsp_dbg(NSP_DEBUG_INTR, "BUSPHASE_STATUS"); | |
1201 | ||
1202 | tmpSC->SCp.phase = PH_STATUS; | |
1203 | ||
1204 | tmpSC->SCp.Status = nsp_index_read(base, SCSIDATAWITHACK); | |
1205 | nsp_dbg(NSP_DEBUG_INTR, "message=0x%x status=0x%x", tmpSC->SCp.Message, tmpSC->SCp.Status); | |
1206 | ||
1207 | break; | |
1208 | ||
1209 | case BUSPHASE_MESSAGE_OUT: | |
1210 | nsp_dbg(NSP_DEBUG_INTR, "BUSPHASE_MESSAGE_OUT"); | |
1211 | if ((phase & BUSMON_REQ) == 0) { | |
1212 | goto timer_out; | |
1213 | } | |
1214 | ||
1215 | tmpSC->SCp.phase = PH_MSG_OUT; | |
1216 | ||
1217 | //*sync_neg = SYNC_NOT_YET; | |
1218 | ||
1219 | data->MsgLen = i = 0; | |
1220 | data->MsgBuffer[i] = IDENTIFY(TRUE, lun); i++; | |
1221 | ||
1222 | if (*sync_neg == SYNC_NOT_YET) { | |
1223 | data->Sync[target].SyncPeriod = 0; | |
1224 | data->Sync[target].SyncOffset = 0; | |
1225 | ||
1226 | /**/ | |
1227 | data->MsgBuffer[i] = MSG_EXTENDED; i++; | |
1228 | data->MsgBuffer[i] = 3; i++; | |
1229 | data->MsgBuffer[i] = MSG_EXT_SDTR; i++; | |
1230 | data->MsgBuffer[i] = 0x0c; i++; | |
1231 | data->MsgBuffer[i] = 15; i++; | |
1232 | /**/ | |
1233 | } | |
1234 | data->MsgLen = i; | |
1235 | ||
1236 | nsp_analyze_sdtr(tmpSC); | |
1237 | show_message(data); | |
1238 | nsp_message_out(tmpSC); | |
1239 | break; | |
1240 | ||
1241 | case BUSPHASE_MESSAGE_IN: | |
1242 | nsp_dataphase_bypass(tmpSC); | |
1243 | nsp_dbg(NSP_DEBUG_INTR, "BUSPHASE_MESSAGE_IN"); | |
1244 | if ((phase & BUSMON_REQ) == 0) { | |
1245 | goto timer_out; | |
1246 | } | |
1247 | ||
1248 | tmpSC->SCp.phase = PH_MSG_IN; | |
1249 | nsp_message_in(tmpSC); | |
1250 | ||
1251 | /**/ | |
1252 | if (*sync_neg == SYNC_NOT_YET) { | |
1253 | //nsp_dbg(NSP_DEBUG_INTR, "sync target=%d,lun=%d",target,lun); | |
1254 | ||
1255 | if (data->MsgLen >= 5 && | |
1256 | data->MsgBuffer[0] == MSG_EXTENDED && | |
1257 | data->MsgBuffer[1] == 3 && | |
1258 | data->MsgBuffer[2] == MSG_EXT_SDTR ) { | |
1259 | data->Sync[target].SyncPeriod = data->MsgBuffer[3]; | |
1260 | data->Sync[target].SyncOffset = data->MsgBuffer[4]; | |
1261 | //nsp_dbg(NSP_DEBUG_INTR, "sync ok, %d %d", data->MsgBuffer[3], data->MsgBuffer[4]); | |
1262 | *sync_neg = SYNC_OK; | |
1263 | } else { | |
1264 | data->Sync[target].SyncPeriod = 0; | |
1265 | data->Sync[target].SyncOffset = 0; | |
1266 | *sync_neg = SYNC_NG; | |
1267 | } | |
1268 | nsp_analyze_sdtr(tmpSC); | |
1269 | } | |
1270 | /**/ | |
1271 | ||
1272 | /* search last messeage byte */ | |
1273 | tmp = -1; | |
1274 | for (i = 0; i < data->MsgLen; i++) { | |
1275 | tmp = data->MsgBuffer[i]; | |
1276 | if (data->MsgBuffer[i] == MSG_EXTENDED) { | |
1277 | i += (1 + data->MsgBuffer[i+1]); | |
1278 | } | |
1279 | } | |
1280 | tmpSC->SCp.Message = tmp; | |
1281 | ||
1282 | nsp_dbg(NSP_DEBUG_INTR, "message=0x%x len=%d", tmpSC->SCp.Message, data->MsgLen); | |
1283 | show_message(data); | |
1284 | ||
1285 | break; | |
1286 | ||
1287 | case BUSPHASE_SELECT: | |
1288 | default: | |
1289 | nsp_dbg(NSP_DEBUG_INTR, "BUSPHASE other"); | |
1290 | ||
1291 | break; | |
1292 | } | |
1293 | ||
1294 | //nsp_dbg(NSP_DEBUG_INTR, "out"); | |
1295 | return IRQ_HANDLED; | |
1296 | ||
1297 | timer_out: | |
1298 | nsp_start_timer(tmpSC, 1000/102); | |
1299 | return IRQ_HANDLED; | |
1300 | } | |
1301 | ||
1302 | #ifdef NSP_DEBUG | |
1303 | #include "nsp_debug.c" | |
1304 | #endif /* NSP_DEBUG */ | |
1305 | ||
1306 | /*----------------------------------------------------------------*/ | |
1307 | /* look for ninja3 card and init if found */ | |
1308 | /*----------------------------------------------------------------*/ | |
d0be4a7d | 1309 | static struct Scsi_Host *nsp_detect(struct scsi_host_template *sht) |
1da177e4 LT |
1310 | { |
1311 | struct Scsi_Host *host; /* registered host structure */ | |
1312 | nsp_hw_data *data_b = &nsp_data_base, *data; | |
1313 | ||
1314 | nsp_dbg(NSP_DEBUG_INIT, "this_id=%d", sht->this_id); | |
1315 | #if (LINUX_VERSION_CODE > KERNEL_VERSION(2,5,73)) | |
1316 | host = scsi_host_alloc(&nsp_driver_template, sizeof(nsp_hw_data)); | |
1317 | #else | |
1318 | host = scsi_register(sht, sizeof(nsp_hw_data)); | |
1319 | #endif | |
1320 | if (host == NULL) { | |
1321 | nsp_dbg(NSP_DEBUG_INIT, "host failed"); | |
1322 | return NULL; | |
1323 | } | |
1324 | ||
1325 | memcpy(host->hostdata, data_b, sizeof(nsp_hw_data)); | |
1326 | data = (nsp_hw_data *)host->hostdata; | |
1327 | data->ScsiInfo->host = host; | |
1328 | #ifdef NSP_DEBUG | |
1329 | data->CmdId = 0; | |
1330 | #endif | |
1331 | ||
1332 | nsp_dbg(NSP_DEBUG_INIT, "irq=%d,%d", data_b->IrqNumber, ((nsp_hw_data *)host->hostdata)->IrqNumber); | |
1333 | ||
1334 | host->unique_id = data->BaseAddress; | |
1335 | host->io_port = data->BaseAddress; | |
1336 | host->n_io_port = data->NumAddress; | |
1337 | host->irq = data->IrqNumber; | |
1338 | host->base = data->MmioAddress; | |
1339 | ||
1340 | spin_lock_init(&(data->Lock)); | |
1341 | ||
1342 | snprintf(data->nspinfo, | |
1343 | sizeof(data->nspinfo), | |
1344 | "NinjaSCSI-3/32Bi Driver $Revision: 1.23 $ IO:0x%04lx-0x%04lx MMIO(virt addr):0x%04lx IRQ:%02d", | |
1345 | host->io_port, host->io_port + host->n_io_port - 1, | |
1346 | host->base, | |
1347 | host->irq); | |
1348 | sht->name = data->nspinfo; | |
1349 | ||
1350 | nsp_dbg(NSP_DEBUG_INIT, "end"); | |
1351 | ||
1352 | ||
1353 | return host; /* detect done. */ | |
1354 | } | |
1355 | ||
1356 | #if (LINUX_VERSION_CODE < KERNEL_VERSION(2,5,0)) | |
d0be4a7d | 1357 | static int nsp_detect_old(struct scsi_host_template *sht) |
1da177e4 LT |
1358 | { |
1359 | if (nsp_detect(sht) == NULL) { | |
1360 | return 0; | |
1361 | } else { | |
1362 | //MOD_INC_USE_COUNT; | |
1363 | return 1; | |
1364 | } | |
1365 | } | |
1366 | ||
1367 | ||
1368 | static int nsp_release_old(struct Scsi_Host *shpnt) | |
1369 | { | |
1370 | //nsp_hw_data *data = (nsp_hw_data *)shpnt->hostdata; | |
1371 | ||
1372 | /* PCMCIA Card Service dose same things below. */ | |
1373 | /* So we do nothing. */ | |
1374 | //if (shpnt->irq) { | |
1375 | // free_irq(shpnt->irq, data->ScsiInfo); | |
1376 | //} | |
1377 | //if (shpnt->io_port) { | |
1378 | // release_region(shpnt->io_port, shpnt->n_io_port); | |
1379 | //} | |
1380 | ||
1381 | //MOD_DEC_USE_COUNT; | |
1382 | ||
1383 | return 0; | |
1384 | } | |
1385 | #endif | |
1386 | ||
1387 | /*----------------------------------------------------------------*/ | |
1388 | /* return info string */ | |
1389 | /*----------------------------------------------------------------*/ | |
1390 | static const char *nsp_info(struct Scsi_Host *shpnt) | |
1391 | { | |
1392 | nsp_hw_data *data = (nsp_hw_data *)shpnt->hostdata; | |
1393 | ||
1394 | return data->nspinfo; | |
1395 | } | |
1396 | ||
1397 | #undef SPRINTF | |
1398 | #define SPRINTF(args...) \ | |
1399 | do { \ | |
1400 | if(length > (pos - buffer)) { \ | |
1401 | pos += snprintf(pos, length - (pos - buffer) + 1, ## args); \ | |
1402 | nsp_dbg(NSP_DEBUG_PROC, "buffer=0x%p pos=0x%p length=%d %d\n", buffer, pos, length, length - (pos - buffer));\ | |
1403 | } \ | |
1404 | } while(0) | |
1405 | static int | |
1406 | nsp_proc_info( | |
1407 | #if (LINUX_VERSION_CODE > KERNEL_VERSION(2,5,73)) | |
1408 | struct Scsi_Host *host, | |
1409 | #endif | |
1410 | char *buffer, | |
1411 | char **start, | |
1412 | off_t offset, | |
1413 | int length, | |
1414 | #if !(LINUX_VERSION_CODE > KERNEL_VERSION(2,5,73)) | |
1415 | int hostno, | |
1416 | #endif | |
1417 | int inout) | |
1418 | { | |
1419 | int id; | |
1420 | char *pos = buffer; | |
1421 | int thislength; | |
1422 | int speed; | |
1423 | unsigned long flags; | |
1424 | nsp_hw_data *data; | |
1425 | #if !(LINUX_VERSION_CODE > KERNEL_VERSION(2,5,73)) | |
1426 | struct Scsi_Host *host; | |
1427 | #else | |
1428 | int hostno; | |
1429 | #endif | |
1430 | if (inout) { | |
1431 | return -EINVAL; | |
1432 | } | |
1433 | ||
1434 | #if (LINUX_VERSION_CODE > KERNEL_VERSION(2,5,73)) | |
1435 | hostno = host->host_no; | |
1436 | #else | |
1437 | /* search this HBA host */ | |
1438 | host = scsi_host_hn_get(hostno); | |
1439 | if (host == NULL) { | |
1440 | return -ESRCH; | |
1441 | } | |
1442 | #endif | |
1443 | data = (nsp_hw_data *)host->hostdata; | |
1444 | ||
1445 | ||
1446 | SPRINTF("NinjaSCSI status\n\n"); | |
1447 | SPRINTF("Driver version: $Revision: 1.23 $\n"); | |
1448 | SPRINTF("SCSI host No.: %d\n", hostno); | |
1449 | SPRINTF("IRQ: %d\n", host->irq); | |
1450 | SPRINTF("IO: 0x%lx-0x%lx\n", host->io_port, host->io_port + host->n_io_port - 1); | |
1451 | SPRINTF("MMIO(virtual address): 0x%lx-0x%lx\n", host->base, host->base + data->MmioLength - 1); | |
1452 | SPRINTF("sg_tablesize: %d\n", host->sg_tablesize); | |
1453 | ||
1454 | SPRINTF("burst transfer mode: "); | |
1455 | switch (nsp_burst_mode) { | |
1456 | case BURST_IO8: | |
1457 | SPRINTF("io8"); | |
1458 | break; | |
1459 | case BURST_IO32: | |
1460 | SPRINTF("io32"); | |
1461 | break; | |
1462 | case BURST_MEM32: | |
1463 | SPRINTF("mem32"); | |
1464 | break; | |
1465 | default: | |
1466 | SPRINTF("???"); | |
1467 | break; | |
1468 | } | |
1469 | SPRINTF("\n"); | |
1470 | ||
1471 | ||
1472 | spin_lock_irqsave(&(data->Lock), flags); | |
1473 | SPRINTF("CurrentSC: 0x%p\n\n", data->CurrentSC); | |
1474 | spin_unlock_irqrestore(&(data->Lock), flags); | |
1475 | ||
1476 | SPRINTF("SDTR status\n"); | |
1477 | for(id = 0; id < ARRAY_SIZE(data->Sync); id++) { | |
1478 | ||
1479 | SPRINTF("id %d: ", id); | |
1480 | ||
1481 | if (id == host->this_id) { | |
1482 | SPRINTF("----- NinjaSCSI-3 host adapter\n"); | |
1483 | continue; | |
1484 | } | |
1485 | ||
1486 | switch(data->Sync[id].SyncNegotiation) { | |
1487 | case SYNC_OK: | |
1488 | SPRINTF(" sync"); | |
1489 | break; | |
1490 | case SYNC_NG: | |
1491 | SPRINTF("async"); | |
1492 | break; | |
1493 | case SYNC_NOT_YET: | |
1494 | SPRINTF(" none"); | |
1495 | break; | |
1496 | default: | |
1497 | SPRINTF("?????"); | |
1498 | break; | |
1499 | } | |
1500 | ||
1501 | if (data->Sync[id].SyncPeriod != 0) { | |
1502 | speed = 1000000 / (data->Sync[id].SyncPeriod * 4); | |
1503 | ||
1504 | SPRINTF(" transfer %d.%dMB/s, offset %d", | |
1505 | speed / 1000, | |
1506 | speed % 1000, | |
1507 | data->Sync[id].SyncOffset | |
1508 | ); | |
1509 | } | |
1510 | SPRINTF("\n"); | |
1511 | } | |
1512 | ||
1513 | thislength = pos - (buffer + offset); | |
1514 | ||
1515 | if(thislength < 0) { | |
1516 | *start = NULL; | |
1517 | return 0; | |
1518 | } | |
1519 | ||
1520 | ||
1521 | thislength = min(thislength, length); | |
1522 | *start = buffer + offset; | |
1523 | ||
1524 | return thislength; | |
1525 | } | |
1526 | #undef SPRINTF | |
1527 | ||
1528 | /*---------------------------------------------------------------*/ | |
1529 | /* error handler */ | |
1530 | /*---------------------------------------------------------------*/ | |
1531 | ||
1da177e4 LT |
1532 | /* |
1533 | static int nsp_eh_abort(Scsi_Cmnd *SCpnt) | |
1534 | { | |
1535 | nsp_dbg(NSP_DEBUG_BUSRESET, "SCpnt=0x%p", SCpnt); | |
1536 | ||
1537 | return nsp_eh_bus_reset(SCpnt); | |
1538 | }*/ | |
1539 | ||
1da177e4 LT |
1540 | static int nsp_bus_reset(nsp_hw_data *data) |
1541 | { | |
1542 | unsigned int base = data->BaseAddress; | |
1543 | int i; | |
1544 | ||
1545 | nsp_write(base, IRQCONTROL, IRQCONTROL_ALLMASK); | |
1546 | ||
1547 | nsp_index_write(base, SCSIBUSCTRL, SCSI_RST); | |
1548 | mdelay(100); /* 100ms */ | |
1549 | nsp_index_write(base, SCSIBUSCTRL, 0); | |
1550 | for(i = 0; i < 5; i++) { | |
1551 | nsp_index_read(base, IRQPHASESENCE); /* dummy read */ | |
1552 | } | |
1553 | ||
1554 | nsphw_init_sync(data); | |
1555 | ||
1556 | nsp_write(base, IRQCONTROL, IRQCONTROL_ALLCLEAR); | |
1557 | ||
1558 | return SUCCESS; | |
1559 | } | |
1560 | ||
1561 | static int nsp_eh_bus_reset(Scsi_Cmnd *SCpnt) | |
1562 | { | |
1563 | nsp_hw_data *data = (nsp_hw_data *)SCpnt->device->host->hostdata; | |
1564 | ||
1565 | nsp_dbg(NSP_DEBUG_BUSRESET, "SCpnt=0x%p", SCpnt); | |
1566 | ||
1567 | return nsp_bus_reset(data); | |
1568 | } | |
1569 | ||
1570 | static int nsp_eh_host_reset(Scsi_Cmnd *SCpnt) | |
1571 | { | |
1572 | nsp_hw_data *data = (nsp_hw_data *)SCpnt->device->host->hostdata; | |
1573 | ||
1574 | nsp_dbg(NSP_DEBUG_BUSRESET, "in"); | |
1575 | ||
1576 | nsphw_init(data); | |
1577 | ||
1578 | return SUCCESS; | |
1579 | } | |
1580 | ||
1581 | ||
1582 | /********************************************************************** | |
1583 | PCMCIA functions | |
1584 | **********************************************************************/ | |
1585 | ||
1586 | /*====================================================================== | |
1587 | nsp_cs_attach() creates an "instance" of the driver, allocating | |
1588 | local data structures for one device. The device is registered | |
1589 | with Card Services. | |
1590 | ||
1591 | The dev_link structure is initialized, but we don't actually | |
1592 | configure the card at this point -- we wait until we receive a | |
1593 | card insertion event. | |
1594 | ======================================================================*/ | |
15b99ac1 | 1595 | static int nsp_cs_probe(struct pcmcia_device *link) |
1da177e4 LT |
1596 | { |
1597 | scsi_info_t *info; | |
1da177e4 | 1598 | nsp_hw_data *data = &nsp_data_base; |
15b99ac1 | 1599 | int ret; |
1da177e4 LT |
1600 | |
1601 | nsp_dbg(NSP_DEBUG_INIT, "in"); | |
1602 | ||
1603 | /* Create new SCSI device */ | |
1604 | info = kmalloc(sizeof(*info), GFP_KERNEL); | |
f8cfa618 | 1605 | if (info == NULL) { return -ENOMEM; } |
1da177e4 | 1606 | memset(info, 0, sizeof(*info)); |
fba395ee | 1607 | info->p_dev = link; |
1da177e4 LT |
1608 | link->priv = info; |
1609 | data->ScsiInfo = info; | |
1610 | ||
1611 | nsp_dbg(NSP_DEBUG_INIT, "info=0x%p", info); | |
1612 | ||
1613 | /* The io structure describes IO port mapping */ | |
1614 | link->io.NumPorts1 = 0x10; | |
1615 | link->io.Attributes1 = IO_DATA_PATH_WIDTH_AUTO; | |
1616 | link->io.IOAddrLines = 10; /* not used */ | |
1617 | ||
1618 | /* Interrupt setup */ | |
1619 | link->irq.Attributes = IRQ_TYPE_EXCLUSIVE | IRQ_HANDLE_PRESENT; | |
1620 | link->irq.IRQInfo1 = IRQ_LEVEL_ID; | |
1621 | ||
1622 | /* Interrupt handler */ | |
1623 | link->irq.Handler = &nspintr; | |
1624 | link->irq.Instance = info; | |
c4e00fac | 1625 | link->irq.Attributes |= IRQF_SHARED; |
1da177e4 LT |
1626 | |
1627 | /* General socket configuration */ | |
1628 | link->conf.Attributes = CONF_ENABLE_IRQ; | |
1da177e4 LT |
1629 | link->conf.IntType = INT_MEMORY_AND_IO; |
1630 | link->conf.Present = PRESENT_OPTION; | |
1631 | ||
15b99ac1 | 1632 | ret = nsp_cs_config(link); |
1da177e4 LT |
1633 | |
1634 | nsp_dbg(NSP_DEBUG_INIT, "link=0x%p", link); | |
15b99ac1 | 1635 | return ret; |
1da177e4 LT |
1636 | } /* nsp_cs_attach */ |
1637 | ||
1638 | ||
1639 | /*====================================================================== | |
1640 | This deletes a driver "instance". The device is de-registered | |
1641 | with Card Services. If it has been released, all local data | |
1642 | structures are freed. Otherwise, the structures will be freed | |
1643 | when the device is released. | |
1644 | ======================================================================*/ | |
fba395ee | 1645 | static void nsp_cs_detach(struct pcmcia_device *link) |
1da177e4 | 1646 | { |
1da177e4 LT |
1647 | nsp_dbg(NSP_DEBUG_INIT, "in, link=0x%p", link); |
1648 | ||
e2d40963 DB |
1649 | ((scsi_info_t *)link->priv)->stop = 1; |
1650 | nsp_cs_release(link); | |
1da177e4 | 1651 | |
1da177e4 LT |
1652 | kfree(link->priv); |
1653 | link->priv = NULL; | |
1da177e4 LT |
1654 | } /* nsp_cs_detach */ |
1655 | ||
1656 | ||
1657 | /*====================================================================== | |
1658 | nsp_cs_config() is scheduled to run after a CARD_INSERTION event | |
1659 | is received, to configure the PCMCIA socket, and to make the | |
1660 | ethernet device available to the system. | |
1661 | ======================================================================*/ | |
1662 | #define CS_CHECK(fn, ret) \ | |
1663 | do { last_fn = (fn); if ((last_ret = (ret)) != 0) goto cs_failed; } while (0) | |
1664 | /*====================================================================*/ | |
15b99ac1 | 1665 | static int nsp_cs_config(struct pcmcia_device *link) |
1da177e4 | 1666 | { |
15b99ac1 | 1667 | int ret; |
1da177e4 LT |
1668 | scsi_info_t *info = link->priv; |
1669 | tuple_t tuple; | |
1670 | cisparse_t parse; | |
1671 | int last_ret, last_fn; | |
1672 | unsigned char tuple_data[64]; | |
1673 | config_info_t conf; | |
1674 | win_req_t req; | |
1675 | memreq_t map; | |
1676 | cistpl_cftable_entry_t dflt = { 0 }; | |
1677 | struct Scsi_Host *host; | |
1678 | nsp_hw_data *data = &nsp_data_base; | |
1679 | #if !(LINUX_VERSION_CODE >= KERNEL_VERSION(2,5,74)) | |
f64a181d | 1680 | struct scsi_device *dev; |
1da177e4 LT |
1681 | dev_node_t **tail, *node; |
1682 | #endif | |
1683 | ||
1684 | nsp_dbg(NSP_DEBUG_INIT, "in"); | |
1685 | ||
1686 | tuple.DesiredTuple = CISTPL_CONFIG; | |
1687 | tuple.Attributes = 0; | |
1688 | tuple.TupleData = tuple_data; | |
1689 | tuple.TupleDataMax = sizeof(tuple_data); | |
1690 | tuple.TupleOffset = 0; | |
fba395ee DB |
1691 | CS_CHECK(GetFirstTuple, pcmcia_get_first_tuple(link, &tuple)); |
1692 | CS_CHECK(GetTupleData, pcmcia_get_tuple_data(link, &tuple)); | |
1693 | CS_CHECK(ParseTuple, pcmcia_parse_tuple(link, &tuple, &parse)); | |
1da177e4 LT |
1694 | link->conf.ConfigBase = parse.config.base; |
1695 | link->conf.Present = parse.config.rmask[0]; | |
1696 | ||
1da177e4 | 1697 | /* Look up the current Vcc */ |
fba395ee | 1698 | CS_CHECK(GetConfigurationInfo, pcmcia_get_configuration_info(link, &conf)); |
1da177e4 LT |
1699 | |
1700 | tuple.DesiredTuple = CISTPL_CFTABLE_ENTRY; | |
fba395ee | 1701 | CS_CHECK(GetFirstTuple, pcmcia_get_first_tuple(link, &tuple)); |
1da177e4 LT |
1702 | while (1) { |
1703 | cistpl_cftable_entry_t *cfg = &(parse.cftable_entry); | |
1704 | ||
fba395ee DB |
1705 | if (pcmcia_get_tuple_data(link, &tuple) != 0 || |
1706 | pcmcia_parse_tuple(link, &tuple, &parse) != 0) | |
1da177e4 LT |
1707 | goto next_entry; |
1708 | ||
1709 | if (cfg->flags & CISTPL_CFTABLE_DEFAULT) { dflt = *cfg; } | |
1710 | if (cfg->index == 0) { goto next_entry; } | |
1711 | link->conf.ConfigIndex = cfg->index; | |
1712 | ||
1713 | /* Does this card need audio output? */ | |
1714 | if (cfg->flags & CISTPL_CFTABLE_AUDIO) { | |
1715 | link->conf.Attributes |= CONF_ENABLE_SPKR; | |
1716 | link->conf.Status = CCSR_AUDIO_ENA; | |
1717 | } | |
1718 | ||
1719 | /* Use power settings for Vcc and Vpp if present */ | |
1720 | /* Note that the CIS values need to be rescaled */ | |
1721 | if (cfg->vcc.present & (1<<CISTPL_POWER_VNOM)) { | |
1722 | if (conf.Vcc != cfg->vcc.param[CISTPL_POWER_VNOM]/10000) { | |
1723 | goto next_entry; | |
1724 | } | |
1725 | } else if (dflt.vcc.present & (1<<CISTPL_POWER_VNOM)) { | |
1726 | if (conf.Vcc != dflt.vcc.param[CISTPL_POWER_VNOM]/10000) { | |
1727 | goto next_entry; | |
1728 | } | |
1729 | } | |
1730 | ||
1731 | if (cfg->vpp1.present & (1 << CISTPL_POWER_VNOM)) { | |
70294b46 | 1732 | link->conf.Vpp = |
1da177e4 LT |
1733 | cfg->vpp1.param[CISTPL_POWER_VNOM] / 10000; |
1734 | } else if (dflt.vpp1.present & (1 << CISTPL_POWER_VNOM)) { | |
70294b46 | 1735 | link->conf.Vpp = |
1da177e4 LT |
1736 | dflt.vpp1.param[CISTPL_POWER_VNOM] / 10000; |
1737 | } | |
1738 | ||
1739 | /* Do we need to allocate an interrupt? */ | |
1740 | if (cfg->irq.IRQInfo1 || dflt.irq.IRQInfo1) { | |
1741 | link->conf.Attributes |= CONF_ENABLE_IRQ; | |
1742 | } | |
1743 | ||
1744 | /* IO window settings */ | |
1745 | link->io.NumPorts1 = link->io.NumPorts2 = 0; | |
1746 | if ((cfg->io.nwin > 0) || (dflt.io.nwin > 0)) { | |
1747 | cistpl_io_t *io = (cfg->io.nwin) ? &cfg->io : &dflt.io; | |
1748 | link->io.Attributes1 = IO_DATA_PATH_WIDTH_AUTO; | |
1749 | if (!(io->flags & CISTPL_IO_8BIT)) | |
1750 | link->io.Attributes1 = IO_DATA_PATH_WIDTH_16; | |
1751 | if (!(io->flags & CISTPL_IO_16BIT)) | |
1752 | link->io.Attributes1 = IO_DATA_PATH_WIDTH_8; | |
1753 | link->io.IOAddrLines = io->flags & CISTPL_IO_LINES_MASK; | |
1754 | link->io.BasePort1 = io->win[0].base; | |
1755 | link->io.NumPorts1 = io->win[0].len; | |
1756 | if (io->nwin > 1) { | |
1757 | link->io.Attributes2 = link->io.Attributes1; | |
1758 | link->io.BasePort2 = io->win[1].base; | |
1759 | link->io.NumPorts2 = io->win[1].len; | |
1760 | } | |
1761 | /* This reserves IO space but doesn't actually enable it */ | |
fba395ee | 1762 | if (pcmcia_request_io(link, &link->io) != 0) |
1da177e4 LT |
1763 | goto next_entry; |
1764 | } | |
1765 | ||
1766 | if ((cfg->mem.nwin > 0) || (dflt.mem.nwin > 0)) { | |
1767 | cistpl_mem_t *mem = | |
1768 | (cfg->mem.nwin) ? &cfg->mem : &dflt.mem; | |
1769 | req.Attributes = WIN_DATA_WIDTH_16|WIN_MEMORY_TYPE_CM; | |
1770 | req.Attributes |= WIN_ENABLE; | |
1771 | req.Base = mem->win[0].host_addr; | |
1772 | req.Size = mem->win[0].len; | |
1773 | if (req.Size < 0x1000) { | |
1774 | req.Size = 0x1000; | |
1775 | } | |
1776 | req.AccessSpeed = 0; | |
fba395ee | 1777 | if (pcmcia_request_window(&link, &req, &link->win) != 0) |
1da177e4 LT |
1778 | goto next_entry; |
1779 | map.Page = 0; map.CardOffset = mem->win[0].card_addr; | |
1780 | if (pcmcia_map_mem_page(link->win, &map) != 0) | |
1781 | goto next_entry; | |
1782 | ||
1783 | data->MmioAddress = (unsigned long)ioremap_nocache(req.Base, req.Size); | |
1784 | data->MmioLength = req.Size; | |
1785 | } | |
1786 | /* If we got this far, we're cool! */ | |
1787 | break; | |
1788 | ||
1789 | next_entry: | |
1790 | nsp_dbg(NSP_DEBUG_INIT, "next"); | |
fba395ee DB |
1791 | pcmcia_disable_device(link); |
1792 | CS_CHECK(GetNextTuple, pcmcia_get_next_tuple(link, &tuple)); | |
1da177e4 LT |
1793 | } |
1794 | ||
1795 | if (link->conf.Attributes & CONF_ENABLE_IRQ) { | |
fba395ee | 1796 | CS_CHECK(RequestIRQ, pcmcia_request_irq(link, &link->irq)); |
1da177e4 | 1797 | } |
fba395ee | 1798 | CS_CHECK(RequestConfiguration, pcmcia_request_configuration(link, &link->conf)); |
1da177e4 LT |
1799 | |
1800 | if (free_ports) { | |
1801 | if (link->io.BasePort1) { | |
1802 | release_region(link->io.BasePort1, link->io.NumPorts1); | |
1803 | } | |
1804 | if (link->io.BasePort2) { | |
1805 | release_region(link->io.BasePort2, link->io.NumPorts2); | |
1806 | } | |
1807 | } | |
1808 | ||
1809 | /* Set port and IRQ */ | |
1810 | data->BaseAddress = link->io.BasePort1; | |
1811 | data->NumAddress = link->io.NumPorts1; | |
1812 | data->IrqNumber = link->irq.AssignedIRQ; | |
1813 | ||
1814 | nsp_dbg(NSP_DEBUG_INIT, "I/O[0x%x+0x%x] IRQ %d", | |
1815 | data->BaseAddress, data->NumAddress, data->IrqNumber); | |
1816 | ||
1817 | if(nsphw_init(data) == FALSE) { | |
1818 | goto cs_failed; | |
1819 | } | |
1820 | ||
1821 | #if (LINUX_VERSION_CODE > KERNEL_VERSION(2,5,2)) | |
1822 | host = nsp_detect(&nsp_driver_template); | |
1823 | #else | |
1824 | scsi_register_host(&nsp_driver_template); | |
1825 | for (host = scsi_host_get_next(NULL); host != NULL; | |
1826 | host = scsi_host_get_next(host)) { | |
1827 | if (host->hostt == &nsp_driver_template) { | |
1828 | break; | |
1829 | } | |
1830 | } | |
1831 | #endif | |
1832 | ||
1833 | if (host == NULL) { | |
1834 | nsp_dbg(NSP_DEBUG_INIT, "detect failed"); | |
1835 | goto cs_failed; | |
1836 | } | |
1837 | ||
1838 | ||
1839 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,5,74)) | |
15b99ac1 DB |
1840 | ret = scsi_add_host (host, NULL); |
1841 | if (ret) | |
1842 | goto cs_failed; | |
1843 | ||
1da177e4 LT |
1844 | scsi_scan_host(host); |
1845 | ||
1846 | snprintf(info->node.dev_name, sizeof(info->node.dev_name), "scsi%d", host->host_no); | |
fd238232 | 1847 | link->dev_node = &info->node; |
1da177e4 LT |
1848 | info->host = host; |
1849 | ||
1850 | #else | |
1851 | nsp_dbg(NSP_DEBUG_INIT, "GET_SCSI_INFO"); | |
fd238232 | 1852 | tail = &link->dev_node; |
1da177e4 LT |
1853 | info->ndev = 0; |
1854 | ||
1855 | nsp_dbg(NSP_DEBUG_INIT, "host=0x%p", host); | |
1856 | ||
1857 | for (dev = host->host_queue; dev != NULL; dev = dev->next) { | |
1858 | unsigned long id; | |
1859 | id = (dev->id & 0x0f) + ((dev->lun & 0x0f) << 4) + | |
1860 | ((dev->channel & 0x0f) << 8) + | |
1861 | ((dev->host->host_no & 0x0f) << 12); | |
1862 | node = &info->node[info->ndev]; | |
1863 | node->minor = 0; | |
1864 | switch (dev->type) { | |
1865 | case TYPE_TAPE: | |
1866 | node->major = SCSI_TAPE_MAJOR; | |
1867 | snprintf(node->dev_name, sizeof(node->dev_name), "st#%04lx", id); | |
1868 | break; | |
1869 | case TYPE_DISK: | |
1870 | case TYPE_MOD: | |
1871 | node->major = SCSI_DISK0_MAJOR; | |
1872 | snprintf(node->dev_name, sizeof(node->dev_name), "sd#%04lx", id); | |
1873 | break; | |
1874 | case TYPE_ROM: | |
1875 | case TYPE_WORM: | |
1876 | node->major = SCSI_CDROM_MAJOR; | |
1877 | snprintf(node->dev_name, sizeof(node->dev_name), "sr#%04lx", id); | |
1878 | break; | |
1879 | default: | |
1880 | node->major = SCSI_GENERIC_MAJOR; | |
1881 | snprintf(node->dev_name, sizeof(node->dev_name), "sg#%04lx", id); | |
1882 | break; | |
1883 | } | |
1884 | *tail = node; tail = &node->next; | |
1885 | info->ndev++; | |
1886 | info->host = dev->host; | |
1887 | } | |
1888 | ||
1889 | *tail = NULL; | |
1890 | if (info->ndev == 0) { | |
1891 | nsp_msg(KERN_INFO, "no SCSI devices found"); | |
1892 | } | |
1893 | nsp_dbg(NSP_DEBUG_INIT, "host=0x%p", host); | |
1894 | #endif | |
1895 | ||
1896 | /* Finally, report what we've done */ | |
70294b46 DB |
1897 | printk(KERN_INFO "nsp_cs: index 0x%02x: ", |
1898 | link->conf.ConfigIndex); | |
1899 | if (link->conf.Vpp) { | |
1900 | printk(", Vpp %d.%d", link->conf.Vpp/10, link->conf.Vpp%10); | |
1da177e4 LT |
1901 | } |
1902 | if (link->conf.Attributes & CONF_ENABLE_IRQ) { | |
1903 | printk(", irq %d", link->irq.AssignedIRQ); | |
1904 | } | |
1905 | if (link->io.NumPorts1) { | |
1906 | printk(", io 0x%04x-0x%04x", link->io.BasePort1, | |
1907 | link->io.BasePort1+link->io.NumPorts1-1); | |
1908 | } | |
1909 | if (link->io.NumPorts2) | |
1910 | printk(" & 0x%04x-0x%04x", link->io.BasePort2, | |
1911 | link->io.BasePort2+link->io.NumPorts2-1); | |
1912 | if (link->win) | |
1913 | printk(", mem 0x%06lx-0x%06lx", req.Base, | |
1914 | req.Base+req.Size-1); | |
1915 | printk("\n"); | |
1916 | ||
15b99ac1 | 1917 | return 0; |
1da177e4 LT |
1918 | |
1919 | cs_failed: | |
1920 | nsp_dbg(NSP_DEBUG_INIT, "config fail"); | |
fba395ee | 1921 | cs_error(link, last_fn, last_ret); |
1da177e4 LT |
1922 | nsp_cs_release(link); |
1923 | ||
15b99ac1 | 1924 | return -ENODEV; |
1da177e4 LT |
1925 | } /* nsp_cs_config */ |
1926 | #undef CS_CHECK | |
1927 | ||
1928 | ||
1929 | /*====================================================================== | |
1930 | After a card is removed, nsp_cs_release() will unregister the net | |
1931 | device, and release the PCMCIA configuration. If the device is | |
1932 | still open, this will be postponed until it is closed. | |
1933 | ======================================================================*/ | |
fba395ee | 1934 | static void nsp_cs_release(struct pcmcia_device *link) |
1da177e4 LT |
1935 | { |
1936 | scsi_info_t *info = link->priv; | |
1937 | nsp_hw_data *data = NULL; | |
1938 | ||
1939 | if (info->host == NULL) { | |
1940 | nsp_msg(KERN_DEBUG, "unexpected card release call."); | |
1941 | } else { | |
1942 | data = (nsp_hw_data *)info->host->hostdata; | |
1943 | } | |
1944 | ||
1945 | nsp_dbg(NSP_DEBUG_INIT, "link=0x%p", link); | |
1946 | ||
1947 | /* Unlink the device chain */ | |
1948 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,5,2)) | |
1949 | if (info->host != NULL) { | |
1950 | scsi_remove_host(info->host); | |
1951 | } | |
1952 | #else | |
1953 | scsi_unregister_host(&nsp_driver_template); | |
1954 | #endif | |
fd238232 | 1955 | link->dev_node = NULL; |
1da177e4 LT |
1956 | |
1957 | if (link->win) { | |
1958 | if (data != NULL) { | |
1959 | iounmap((void *)(data->MmioAddress)); | |
1960 | } | |
1da177e4 | 1961 | } |
fba395ee | 1962 | pcmcia_disable_device(link); |
5f2a71fc | 1963 | |
1da177e4 LT |
1964 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,5,2)) |
1965 | if (info->host != NULL) { | |
1966 | scsi_host_put(info->host); | |
1967 | } | |
1968 | #endif | |
1969 | } /* nsp_cs_release */ | |
1970 | ||
fba395ee | 1971 | static int nsp_cs_suspend(struct pcmcia_device *link) |
98e4c28b | 1972 | { |
98e4c28b DB |
1973 | scsi_info_t *info = link->priv; |
1974 | nsp_hw_data *data; | |
1975 | ||
98e4c28b DB |
1976 | nsp_dbg(NSP_DEBUG_INIT, "event: suspend"); |
1977 | ||
1978 | if (info->host != NULL) { | |
1979 | nsp_msg(KERN_INFO, "clear SDTR status"); | |
1980 | ||
1981 | data = (nsp_hw_data *)info->host->hostdata; | |
1982 | ||
1983 | nsphw_init_sync(data); | |
1984 | } | |
1985 | ||
1986 | info->stop = 1; | |
1987 | ||
98e4c28b DB |
1988 | return 0; |
1989 | } | |
1990 | ||
fba395ee | 1991 | static int nsp_cs_resume(struct pcmcia_device *link) |
98e4c28b | 1992 | { |
98e4c28b DB |
1993 | scsi_info_t *info = link->priv; |
1994 | nsp_hw_data *data; | |
1995 | ||
1996 | nsp_dbg(NSP_DEBUG_INIT, "event: resume"); | |
1997 | ||
98e4c28b DB |
1998 | info->stop = 0; |
1999 | ||
2000 | if (info->host != NULL) { | |
2001 | nsp_msg(KERN_INFO, "reset host and bus"); | |
2002 | ||
2003 | data = (nsp_hw_data *)info->host->hostdata; | |
2004 | ||
2005 | nsphw_init (data); | |
2006 | nsp_bus_reset(data); | |
2007 | } | |
2008 | ||
2009 | return 0; | |
2010 | } | |
2011 | ||
1da177e4 LT |
2012 | /*======================================================================* |
2013 | * module entry point | |
2014 | *====================================================================*/ | |
2015 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,5,68)) | |
aba14100 DB |
2016 | static struct pcmcia_device_id nsp_cs_ids[] = { |
2017 | PCMCIA_DEVICE_PROD_ID123("IO DATA", "CBSC16 ", "1", 0x547e66dc, 0x0d63a3fd, 0x51de003a), | |
2018 | PCMCIA_DEVICE_PROD_ID123("KME ", "SCSI-CARD-001", "1", 0x534c02bc, 0x52008408, 0x51de003a), | |
2019 | PCMCIA_DEVICE_PROD_ID123("KME ", "SCSI-CARD-002", "1", 0x534c02bc, 0xcb09d5b2, 0x51de003a), | |
2020 | PCMCIA_DEVICE_PROD_ID123("KME ", "SCSI-CARD-003", "1", 0x534c02bc, 0xbc0ee524, 0x51de003a), | |
2021 | PCMCIA_DEVICE_PROD_ID123("KME ", "SCSI-CARD-004", "1", 0x534c02bc, 0x226a7087, 0x51de003a), | |
2022 | PCMCIA_DEVICE_PROD_ID123("WBT", "NinjaSCSI-3", "R1.0", 0xc7ba805f, 0xfdc7c97d, 0x6973710e), | |
2023 | PCMCIA_DEVICE_PROD_ID123("WORKBIT", "UltraNinja-16", "1", 0x28191418, 0xb70f4b09, 0x51de003a), | |
2024 | PCMCIA_DEVICE_NULL | |
2025 | }; | |
2026 | MODULE_DEVICE_TABLE(pcmcia, nsp_cs_ids); | |
2027 | ||
1da177e4 | 2028 | static struct pcmcia_driver nsp_driver = { |
1e212f36 DB |
2029 | .owner = THIS_MODULE, |
2030 | .drv = { | |
2031 | .name = "nsp_cs", | |
1da177e4 | 2032 | }, |
15b99ac1 | 2033 | .probe = nsp_cs_probe, |
cc3b4866 | 2034 | .remove = nsp_cs_detach, |
aba14100 | 2035 | .id_table = nsp_cs_ids, |
98e4c28b DB |
2036 | .suspend = nsp_cs_suspend, |
2037 | .resume = nsp_cs_resume, | |
1da177e4 LT |
2038 | }; |
2039 | #endif | |
2040 | ||
2041 | static int __init nsp_cs_init(void) | |
2042 | { | |
2043 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,5,68)) | |
2044 | nsp_msg(KERN_INFO, "loading..."); | |
2045 | ||
2046 | return pcmcia_register_driver(&nsp_driver); | |
2047 | #else | |
2048 | servinfo_t serv; | |
2049 | ||
2050 | nsp_msg(KERN_INFO, "loading..."); | |
2051 | pcmcia_get_card_services_info(&serv); | |
2ffe6e28 PR |
2052 | if (serv.Revision != CS_RELEASE_CODE) { |
2053 | nsp_msg(KERN_DEBUG, "Card Services release does not match!"); | |
2054 | return -EINVAL; | |
2055 | } | |
1da177e4 LT |
2056 | register_pcmcia_driver(&dev_info, &nsp_cs_attach, &nsp_cs_detach); |
2057 | ||
2058 | nsp_dbg(NSP_DEBUG_INIT, "out"); | |
2059 | return 0; | |
2060 | #endif | |
2061 | } | |
2062 | ||
2063 | static void __exit nsp_cs_exit(void) | |
2064 | { | |
2065 | nsp_msg(KERN_INFO, "unloading..."); | |
1da177e4 | 2066 | pcmcia_unregister_driver(&nsp_driver); |
1da177e4 LT |
2067 | } |
2068 | ||
2069 | ||
2070 | module_init(nsp_cs_init) | |
2071 | module_exit(nsp_cs_exit) | |
2072 | ||
2073 | /* end */ |