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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 | ||
1da177e4 LT |
28 | #include <linux/version.h> |
29 | #include <linux/module.h> | |
30 | #include <linux/kernel.h> | |
31 | #include <linux/init.h> | |
1da177e4 LT |
32 | #include <linux/slab.h> |
33 | #include <linux/string.h> | |
34 | #include <linux/timer.h> | |
35 | #include <linux/ioport.h> | |
36 | #include <linux/delay.h> | |
37 | #include <linux/interrupt.h> | |
38 | #include <linux/major.h> | |
39 | #include <linux/blkdev.h> | |
40 | #include <linux/stat.h> | |
41 | ||
42 | #include <asm/io.h> | |
43 | #include <asm/irq.h> | |
44 | ||
45 | #include <../drivers/scsi/scsi.h> | |
46 | #include <scsi/scsi_host.h> | |
47 | ||
48 | #include <scsi/scsi.h> | |
49 | #include <scsi/scsi_ioctl.h> | |
50 | ||
1da177e4 LT |
51 | #include <pcmcia/cs_types.h> |
52 | #include <pcmcia/cs.h> | |
53 | #include <pcmcia/cistpl.h> | |
54 | #include <pcmcia/cisreg.h> | |
55 | #include <pcmcia/ds.h> | |
56 | ||
57 | #include "nsp_cs.h" | |
58 | ||
59 | MODULE_AUTHOR("YOKOTA Hiroshi <yokota@netlab.is.tsukuba.ac.jp>"); | |
774251ef | 60 | MODULE_DESCRIPTION("WorkBit NinjaSCSI-3 / NinjaSCSI-32Bi(16bit) PCMCIA SCSI host adapter module"); |
1da177e4 LT |
61 | MODULE_SUPPORTED_DEVICE("sd,sr,sg,st"); |
62 | #ifdef MODULE_LICENSE | |
63 | MODULE_LICENSE("GPL"); | |
64 | #endif | |
65 | ||
66 | #include "nsp_io.h" | |
67 | ||
68 | /*====================================================================*/ | |
69 | /* Parameters that can be set with 'insmod' */ | |
70 | ||
71 | static int nsp_burst_mode = BURST_MEM32; | |
72 | module_param(nsp_burst_mode, int, 0); | |
73 | MODULE_PARM_DESC(nsp_burst_mode, "Burst transfer mode (0=io8, 1=io32, 2=mem32(default))"); | |
74 | ||
75 | /* Release IO ports after configuration? */ | |
76 | static int free_ports = 0; | |
77 | module_param(free_ports, bool, 0); | |
78 | MODULE_PARM_DESC(free_ports, "Release IO ports after configuration? (default: 0 (=no))"); | |
79 | ||
d0be4a7d | 80 | static struct scsi_host_template nsp_driver_template = { |
1da177e4 LT |
81 | .proc_name = "nsp_cs", |
82 | .proc_info = nsp_proc_info, | |
83 | .name = "WorkBit NinjaSCSI-3/32Bi(16bit)", | |
1da177e4 LT |
84 | .info = nsp_info, |
85 | .queuecommand = nsp_queuecommand, | |
1da177e4 | 86 | /* .eh_abort_handler = nsp_eh_abort,*/ |
1da177e4 LT |
87 | .eh_bus_reset_handler = nsp_eh_bus_reset, |
88 | .eh_host_reset_handler = nsp_eh_host_reset, | |
89 | .can_queue = 1, | |
90 | .this_id = NSP_INITIATOR_ID, | |
91 | .sg_tablesize = SG_ALL, | |
92 | .cmd_per_lun = 1, | |
93 | .use_clustering = DISABLE_CLUSTERING, | |
1da177e4 LT |
94 | }; |
95 | ||
1da177e4 LT |
96 | static nsp_hw_data nsp_data_base; /* attach <-> detect glue */ |
97 | ||
98 | ||
99 | ||
100 | /* | |
101 | * debug, error print | |
102 | */ | |
103 | #ifndef NSP_DEBUG | |
104 | # define NSP_DEBUG_MASK 0x000000 | |
105 | # define nsp_msg(type, args...) nsp_cs_message("", 0, (type), args) | |
106 | # define nsp_dbg(mask, args...) /* */ | |
107 | #else | |
108 | # define NSP_DEBUG_MASK 0xffffff | |
109 | # define nsp_msg(type, args...) \ | |
cadbd4a5 | 110 | nsp_cs_message (__func__, __LINE__, (type), args) |
1da177e4 | 111 | # define nsp_dbg(mask, args...) \ |
cadbd4a5 | 112 | nsp_cs_dmessage(__func__, __LINE__, (mask), args) |
1da177e4 LT |
113 | #endif |
114 | ||
115 | #define NSP_DEBUG_QUEUECOMMAND BIT(0) | |
116 | #define NSP_DEBUG_REGISTER BIT(1) | |
117 | #define NSP_DEBUG_AUTOSCSI BIT(2) | |
118 | #define NSP_DEBUG_INTR BIT(3) | |
119 | #define NSP_DEBUG_SGLIST BIT(4) | |
120 | #define NSP_DEBUG_BUSFREE BIT(5) | |
121 | #define NSP_DEBUG_CDB_CONTENTS BIT(6) | |
122 | #define NSP_DEBUG_RESELECTION BIT(7) | |
123 | #define NSP_DEBUG_MSGINOCCUR BIT(8) | |
124 | #define NSP_DEBUG_EEPROM BIT(9) | |
125 | #define NSP_DEBUG_MSGOUTOCCUR BIT(10) | |
126 | #define NSP_DEBUG_BUSRESET BIT(11) | |
127 | #define NSP_DEBUG_RESTART BIT(12) | |
128 | #define NSP_DEBUG_SYNC BIT(13) | |
129 | #define NSP_DEBUG_WAIT BIT(14) | |
130 | #define NSP_DEBUG_TARGETFLAG BIT(15) | |
131 | #define NSP_DEBUG_PROC BIT(16) | |
132 | #define NSP_DEBUG_INIT BIT(17) | |
133 | #define NSP_DEBUG_DATA_IO BIT(18) | |
134 | #define NSP_SPECIAL_PRINT_REGISTER BIT(20) | |
135 | ||
136 | #define NSP_DEBUG_BUF_LEN 150 | |
137 | ||
040cd232 BH |
138 | static inline void nsp_inc_resid(struct scsi_cmnd *SCpnt, int residInc) |
139 | { | |
140 | scsi_set_resid(SCpnt, scsi_get_resid(SCpnt) + residInc); | |
141 | } | |
142 | ||
1da177e4 LT |
143 | static void nsp_cs_message(const char *func, int line, char *type, char *fmt, ...) |
144 | { | |
145 | va_list args; | |
146 | char buf[NSP_DEBUG_BUF_LEN]; | |
147 | ||
148 | va_start(args, fmt); | |
149 | vsnprintf(buf, sizeof(buf), fmt, args); | |
150 | va_end(args); | |
151 | ||
152 | #ifndef NSP_DEBUG | |
153 | printk("%snsp_cs: %s\n", type, buf); | |
154 | #else | |
155 | printk("%snsp_cs: %s (%d): %s\n", type, func, line, buf); | |
156 | #endif | |
157 | } | |
158 | ||
159 | #ifdef NSP_DEBUG | |
160 | static void nsp_cs_dmessage(const char *func, int line, int mask, char *fmt, ...) | |
161 | { | |
162 | va_list args; | |
163 | char buf[NSP_DEBUG_BUF_LEN]; | |
164 | ||
165 | va_start(args, fmt); | |
166 | vsnprintf(buf, sizeof(buf), fmt, args); | |
167 | va_end(args); | |
168 | ||
169 | if (mask & NSP_DEBUG_MASK) { | |
170 | printk("nsp_cs-debug: 0x%x %s (%d): %s\n", mask, func, line, buf); | |
171 | } | |
172 | } | |
173 | #endif | |
174 | ||
175 | /***********************************************************/ | |
176 | ||
177 | /*==================================================== | |
178 | * Clenaup parameters and call done() functions. | |
179 | * You must be set SCpnt->result before call this function. | |
180 | */ | |
0fc82d5e | 181 | static void nsp_scsi_done(struct scsi_cmnd *SCpnt) |
1da177e4 LT |
182 | { |
183 | nsp_hw_data *data = (nsp_hw_data *)SCpnt->device->host->hostdata; | |
184 | ||
185 | data->CurrentSC = NULL; | |
186 | ||
187 | SCpnt->scsi_done(SCpnt); | |
188 | } | |
189 | ||
0fc82d5e HK |
190 | static int nsp_queuecommand(struct scsi_cmnd *SCpnt, |
191 | void (*done)(struct scsi_cmnd *)) | |
1da177e4 LT |
192 | { |
193 | #ifdef NSP_DEBUG | |
194 | /*unsigned int host_id = SCpnt->device->host->this_id;*/ | |
195 | /*unsigned int base = SCpnt->device->host->io_port;*/ | |
422c0d61 | 196 | unsigned char target = scmd_id(SCpnt); |
1da177e4 LT |
197 | #endif |
198 | nsp_hw_data *data = (nsp_hw_data *)SCpnt->device->host->hostdata; | |
199 | ||
040cd232 BH |
200 | nsp_dbg(NSP_DEBUG_QUEUECOMMAND, |
201 | "SCpnt=0x%p target=%d lun=%d sglist=0x%p bufflen=%d sg_count=%d", | |
202 | SCpnt, target, SCpnt->device->lun, scsi_sglist(SCpnt), | |
203 | scsi_bufflen(SCpnt), scsi_sg_count(SCpnt)); | |
1da177e4 LT |
204 | //nsp_dbg(NSP_DEBUG_QUEUECOMMAND, "before CurrentSC=0x%p", data->CurrentSC); |
205 | ||
206 | SCpnt->scsi_done = done; | |
207 | ||
208 | if (data->CurrentSC != NULL) { | |
209 | nsp_msg(KERN_DEBUG, "CurrentSC!=NULL this can't be happen"); | |
210 | SCpnt->result = DID_BAD_TARGET << 16; | |
211 | nsp_scsi_done(SCpnt); | |
212 | return 0; | |
213 | } | |
214 | ||
215 | #if 0 | |
216 | /* XXX: pcmcia-cs generates SCSI command with "scsi_info" utility. | |
217 | This makes kernel crash when suspending... */ | |
218 | if (data->ScsiInfo->stop != 0) { | |
219 | nsp_msg(KERN_INFO, "suspending device. reject command."); | |
220 | SCpnt->result = DID_BAD_TARGET << 16; | |
221 | nsp_scsi_done(SCpnt); | |
222 | return SCSI_MLQUEUE_HOST_BUSY; | |
223 | } | |
224 | #endif | |
225 | ||
226 | show_command(SCpnt); | |
227 | ||
228 | data->CurrentSC = SCpnt; | |
229 | ||
230 | SCpnt->SCp.Status = CHECK_CONDITION; | |
231 | SCpnt->SCp.Message = 0; | |
232 | SCpnt->SCp.have_data_in = IO_UNKNOWN; | |
233 | SCpnt->SCp.sent_command = 0; | |
234 | SCpnt->SCp.phase = PH_UNDETERMINED; | |
040cd232 | 235 | scsi_set_resid(SCpnt, scsi_bufflen(SCpnt)); |
1da177e4 LT |
236 | |
237 | /* setup scratch area | |
238 | SCp.ptr : buffer pointer | |
239 | SCp.this_residual : buffer length | |
240 | SCp.buffer : next buffer | |
241 | SCp.buffers_residual : left buffers in list | |
242 | SCp.phase : current state of the command */ | |
040cd232 BH |
243 | if (scsi_bufflen(SCpnt)) { |
244 | SCpnt->SCp.buffer = scsi_sglist(SCpnt); | |
1da177e4 LT |
245 | SCpnt->SCp.ptr = BUFFER_ADDR; |
246 | SCpnt->SCp.this_residual = SCpnt->SCp.buffer->length; | |
040cd232 | 247 | SCpnt->SCp.buffers_residual = scsi_sg_count(SCpnt) - 1; |
1da177e4 | 248 | } else { |
040cd232 BH |
249 | SCpnt->SCp.ptr = NULL; |
250 | SCpnt->SCp.this_residual = 0; | |
1da177e4 LT |
251 | SCpnt->SCp.buffer = NULL; |
252 | SCpnt->SCp.buffers_residual = 0; | |
253 | } | |
254 | ||
255 | if (nsphw_start_selection(SCpnt) == FALSE) { | |
256 | nsp_dbg(NSP_DEBUG_QUEUECOMMAND, "selection fail"); | |
257 | SCpnt->result = DID_BUS_BUSY << 16; | |
258 | nsp_scsi_done(SCpnt); | |
259 | return 0; | |
260 | } | |
261 | ||
262 | ||
263 | //nsp_dbg(NSP_DEBUG_QUEUECOMMAND, "out"); | |
264 | #ifdef NSP_DEBUG | |
265 | data->CmdId++; | |
266 | #endif | |
267 | return 0; | |
268 | } | |
269 | ||
270 | /* | |
271 | * setup PIO FIFO transfer mode and enable/disable to data out | |
272 | */ | |
273 | static void nsp_setup_fifo(nsp_hw_data *data, int enabled) | |
274 | { | |
275 | unsigned int base = data->BaseAddress; | |
276 | unsigned char transfer_mode_reg; | |
277 | ||
278 | //nsp_dbg(NSP_DEBUG_DATA_IO, "enabled=%d", enabled); | |
279 | ||
280 | if (enabled != FALSE) { | |
281 | transfer_mode_reg = TRANSFER_GO | BRAIND; | |
282 | } else { | |
283 | transfer_mode_reg = 0; | |
284 | } | |
285 | ||
286 | transfer_mode_reg |= data->TransferMode; | |
287 | ||
288 | nsp_index_write(base, TRANSFERMODE, transfer_mode_reg); | |
289 | } | |
290 | ||
291 | static void nsphw_init_sync(nsp_hw_data *data) | |
292 | { | |
293 | sync_data tmp_sync = { .SyncNegotiation = SYNC_NOT_YET, | |
294 | .SyncPeriod = 0, | |
295 | .SyncOffset = 0 | |
296 | }; | |
297 | int i; | |
298 | ||
299 | /* setup sync data */ | |
300 | for ( i = 0; i < ARRAY_SIZE(data->Sync); i++ ) { | |
301 | data->Sync[i] = tmp_sync; | |
302 | } | |
303 | } | |
304 | ||
305 | /* | |
306 | * Initialize Ninja hardware | |
307 | */ | |
308 | static int nsphw_init(nsp_hw_data *data) | |
309 | { | |
310 | unsigned int base = data->BaseAddress; | |
311 | ||
312 | nsp_dbg(NSP_DEBUG_INIT, "in base=0x%x", base); | |
313 | ||
314 | data->ScsiClockDiv = CLOCK_40M | FAST_20; | |
315 | data->CurrentSC = NULL; | |
316 | data->FifoCount = 0; | |
317 | data->TransferMode = MODE_IO8; | |
318 | ||
319 | nsphw_init_sync(data); | |
320 | ||
321 | /* block all interrupts */ | |
322 | nsp_write(base, IRQCONTROL, IRQCONTROL_ALLMASK); | |
323 | ||
324 | /* setup SCSI interface */ | |
325 | nsp_write(base, IFSELECT, IF_IFSEL); | |
326 | ||
327 | nsp_index_write(base, SCSIIRQMODE, 0); | |
328 | ||
329 | nsp_index_write(base, TRANSFERMODE, MODE_IO8); | |
330 | nsp_index_write(base, CLOCKDIV, data->ScsiClockDiv); | |
331 | ||
332 | nsp_index_write(base, PARITYCTRL, 0); | |
333 | nsp_index_write(base, POINTERCLR, POINTER_CLEAR | | |
334 | ACK_COUNTER_CLEAR | | |
335 | REQ_COUNTER_CLEAR | | |
336 | HOST_COUNTER_CLEAR); | |
337 | ||
338 | /* setup fifo asic */ | |
339 | nsp_write(base, IFSELECT, IF_REGSEL); | |
340 | nsp_index_write(base, TERMPWRCTRL, 0); | |
341 | if ((nsp_index_read(base, OTHERCONTROL) & TPWR_SENSE) == 0) { | |
342 | nsp_msg(KERN_INFO, "terminator power on"); | |
343 | nsp_index_write(base, TERMPWRCTRL, POWER_ON); | |
344 | } | |
345 | ||
346 | nsp_index_write(base, TIMERCOUNT, 0); | |
347 | nsp_index_write(base, TIMERCOUNT, 0); /* requires 2 times!! */ | |
348 | ||
349 | nsp_index_write(base, SYNCREG, 0); | |
350 | nsp_index_write(base, ACKWIDTH, 0); | |
351 | ||
352 | /* enable interrupts and ack them */ | |
353 | nsp_index_write(base, SCSIIRQMODE, SCSI_PHASE_CHANGE_EI | | |
354 | RESELECT_EI | | |
355 | SCSI_RESET_IRQ_EI ); | |
356 | nsp_write(base, IRQCONTROL, IRQCONTROL_ALLCLEAR); | |
357 | ||
358 | nsp_setup_fifo(data, FALSE); | |
359 | ||
360 | return TRUE; | |
361 | } | |
362 | ||
363 | /* | |
364 | * Start selection phase | |
365 | */ | |
0fc82d5e | 366 | static int nsphw_start_selection(struct scsi_cmnd *SCpnt) |
1da177e4 LT |
367 | { |
368 | unsigned int host_id = SCpnt->device->host->this_id; | |
369 | unsigned int base = SCpnt->device->host->io_port; | |
422c0d61 | 370 | unsigned char target = scmd_id(SCpnt); |
1da177e4 LT |
371 | nsp_hw_data *data = (nsp_hw_data *)SCpnt->device->host->hostdata; |
372 | int time_out; | |
373 | unsigned char phase, arbit; | |
374 | ||
375 | //nsp_dbg(NSP_DEBUG_RESELECTION, "in"); | |
376 | ||
377 | phase = nsp_index_read(base, SCSIBUSMON); | |
378 | if(phase != BUSMON_BUS_FREE) { | |
379 | //nsp_dbg(NSP_DEBUG_RESELECTION, "bus busy"); | |
380 | return FALSE; | |
381 | } | |
382 | ||
383 | /* start arbitration */ | |
384 | //nsp_dbg(NSP_DEBUG_RESELECTION, "start arbit"); | |
385 | SCpnt->SCp.phase = PH_ARBSTART; | |
386 | nsp_index_write(base, SETARBIT, ARBIT_GO); | |
387 | ||
388 | time_out = 1000; | |
389 | do { | |
390 | /* XXX: what a stupid chip! */ | |
391 | arbit = nsp_index_read(base, ARBITSTATUS); | |
392 | //nsp_dbg(NSP_DEBUG_RESELECTION, "arbit=%d, wait_count=%d", arbit, wait_count); | |
393 | udelay(1); /* hold 1.2us */ | |
394 | } while((arbit & (ARBIT_WIN | ARBIT_FAIL)) == 0 && | |
395 | (time_out-- != 0)); | |
396 | ||
397 | if (!(arbit & ARBIT_WIN)) { | |
398 | //nsp_dbg(NSP_DEBUG_RESELECTION, "arbit fail"); | |
399 | nsp_index_write(base, SETARBIT, ARBIT_FLAG_CLEAR); | |
400 | return FALSE; | |
401 | } | |
402 | ||
403 | /* assert select line */ | |
404 | //nsp_dbg(NSP_DEBUG_RESELECTION, "assert SEL line"); | |
405 | SCpnt->SCp.phase = PH_SELSTART; | |
406 | udelay(3); /* wait 2.4us */ | |
407 | nsp_index_write(base, SCSIDATALATCH, BIT(host_id) | BIT(target)); | |
408 | nsp_index_write(base, SCSIBUSCTRL, SCSI_SEL | SCSI_BSY | SCSI_ATN); | |
409 | udelay(2); /* wait >1.2us */ | |
410 | nsp_index_write(base, SCSIBUSCTRL, SCSI_SEL | SCSI_BSY | SCSI_DATAOUT_ENB | SCSI_ATN); | |
411 | nsp_index_write(base, SETARBIT, ARBIT_FLAG_CLEAR); | |
412 | /*udelay(1);*/ /* wait >90ns */ | |
413 | nsp_index_write(base, SCSIBUSCTRL, SCSI_SEL | SCSI_DATAOUT_ENB | SCSI_ATN); | |
414 | ||
415 | /* check selection timeout */ | |
416 | nsp_start_timer(SCpnt, 1000/51); | |
417 | data->SelectionTimeOut = 1; | |
418 | ||
419 | return TRUE; | |
420 | } | |
421 | ||
422 | struct nsp_sync_table { | |
423 | unsigned int min_period; | |
424 | unsigned int max_period; | |
425 | unsigned int chip_period; | |
426 | unsigned int ack_width; | |
427 | }; | |
428 | ||
429 | static struct nsp_sync_table nsp_sync_table_40M[] = { | |
430 | {0x0c, 0x0c, 0x1, 0}, /* 20MB 50ns*/ | |
431 | {0x19, 0x19, 0x3, 1}, /* 10MB 100ns*/ | |
432 | {0x1a, 0x25, 0x5, 2}, /* 7.5MB 150ns*/ | |
433 | {0x26, 0x32, 0x7, 3}, /* 5MB 200ns*/ | |
434 | { 0, 0, 0, 0}, | |
435 | }; | |
436 | ||
437 | static struct nsp_sync_table nsp_sync_table_20M[] = { | |
438 | {0x19, 0x19, 0x1, 0}, /* 10MB 100ns*/ | |
439 | {0x1a, 0x25, 0x2, 0}, /* 7.5MB 150ns*/ | |
440 | {0x26, 0x32, 0x3, 1}, /* 5MB 200ns*/ | |
441 | { 0, 0, 0, 0}, | |
442 | }; | |
443 | ||
444 | /* | |
445 | * setup synchronous data transfer mode | |
446 | */ | |
0fc82d5e | 447 | static int nsp_analyze_sdtr(struct scsi_cmnd *SCpnt) |
1da177e4 | 448 | { |
422c0d61 | 449 | unsigned char target = scmd_id(SCpnt); |
1da177e4 LT |
450 | // unsigned char lun = SCpnt->device->lun; |
451 | nsp_hw_data *data = (nsp_hw_data *)SCpnt->device->host->hostdata; | |
452 | sync_data *sync = &(data->Sync[target]); | |
453 | struct nsp_sync_table *sync_table; | |
454 | unsigned int period, offset; | |
455 | int i; | |
456 | ||
457 | ||
458 | nsp_dbg(NSP_DEBUG_SYNC, "in"); | |
459 | ||
460 | period = sync->SyncPeriod; | |
461 | offset = sync->SyncOffset; | |
462 | ||
463 | nsp_dbg(NSP_DEBUG_SYNC, "period=0x%x, offset=0x%x", period, offset); | |
464 | ||
465 | if ((data->ScsiClockDiv & (BIT(0)|BIT(1))) == CLOCK_20M) { | |
466 | sync_table = nsp_sync_table_20M; | |
467 | } else { | |
468 | sync_table = nsp_sync_table_40M; | |
469 | } | |
470 | ||
471 | for ( i = 0; sync_table->max_period != 0; i++, sync_table++) { | |
472 | if ( period >= sync_table->min_period && | |
473 | period <= sync_table->max_period ) { | |
474 | break; | |
475 | } | |
476 | } | |
477 | ||
478 | if (period != 0 && sync_table->max_period == 0) { | |
479 | /* | |
480 | * No proper period/offset found | |
481 | */ | |
482 | nsp_dbg(NSP_DEBUG_SYNC, "no proper period/offset"); | |
483 | ||
484 | sync->SyncPeriod = 0; | |
485 | sync->SyncOffset = 0; | |
486 | sync->SyncRegister = 0; | |
487 | sync->AckWidth = 0; | |
488 | ||
489 | return FALSE; | |
490 | } | |
491 | ||
492 | sync->SyncRegister = (sync_table->chip_period << SYNCREG_PERIOD_SHIFT) | | |
493 | (offset & SYNCREG_OFFSET_MASK); | |
494 | sync->AckWidth = sync_table->ack_width; | |
495 | ||
496 | nsp_dbg(NSP_DEBUG_SYNC, "sync_reg=0x%x, ack_width=0x%x", sync->SyncRegister, sync->AckWidth); | |
497 | ||
498 | return TRUE; | |
499 | } | |
500 | ||
501 | ||
502 | /* | |
503 | * start ninja hardware timer | |
504 | */ | |
0fc82d5e | 505 | static void nsp_start_timer(struct scsi_cmnd *SCpnt, int time) |
1da177e4 LT |
506 | { |
507 | unsigned int base = SCpnt->device->host->io_port; | |
508 | nsp_hw_data *data = (nsp_hw_data *)SCpnt->device->host->hostdata; | |
509 | ||
510 | //nsp_dbg(NSP_DEBUG_INTR, "in SCpnt=0x%p, time=%d", SCpnt, time); | |
511 | data->TimerCount = time; | |
512 | nsp_index_write(base, TIMERCOUNT, time); | |
513 | } | |
514 | ||
515 | /* | |
516 | * wait for bus phase change | |
517 | */ | |
0fc82d5e HK |
518 | static int nsp_negate_signal(struct scsi_cmnd *SCpnt, unsigned char mask, |
519 | char *str) | |
1da177e4 LT |
520 | { |
521 | unsigned int base = SCpnt->device->host->io_port; | |
522 | unsigned char reg; | |
523 | int time_out; | |
524 | ||
525 | //nsp_dbg(NSP_DEBUG_INTR, "in"); | |
526 | ||
527 | time_out = 100; | |
528 | ||
529 | do { | |
530 | reg = nsp_index_read(base, SCSIBUSMON); | |
531 | if (reg == 0xff) { | |
532 | break; | |
533 | } | |
534 | } while ((time_out-- != 0) && (reg & mask) != 0); | |
535 | ||
536 | if (time_out == 0) { | |
537 | nsp_msg(KERN_DEBUG, " %s signal off timeut", str); | |
538 | } | |
539 | ||
540 | return 0; | |
541 | } | |
542 | ||
543 | /* | |
544 | * expect Ninja Irq | |
545 | */ | |
0fc82d5e HK |
546 | static int nsp_expect_signal(struct scsi_cmnd *SCpnt, |
547 | unsigned char current_phase, | |
548 | unsigned char mask) | |
1da177e4 LT |
549 | { |
550 | unsigned int base = SCpnt->device->host->io_port; | |
551 | int time_out; | |
552 | unsigned char phase, i_src; | |
553 | ||
554 | //nsp_dbg(NSP_DEBUG_INTR, "current_phase=0x%x, mask=0x%x", current_phase, mask); | |
555 | ||
556 | time_out = 100; | |
557 | do { | |
558 | phase = nsp_index_read(base, SCSIBUSMON); | |
559 | if (phase == 0xff) { | |
560 | //nsp_dbg(NSP_DEBUG_INTR, "ret -1"); | |
561 | return -1; | |
562 | } | |
563 | i_src = nsp_read(base, IRQSTATUS); | |
564 | if (i_src & IRQSTATUS_SCSI) { | |
565 | //nsp_dbg(NSP_DEBUG_INTR, "ret 0 found scsi signal"); | |
566 | return 0; | |
567 | } | |
568 | if ((phase & mask) != 0 && (phase & BUSMON_PHASE_MASK) == current_phase) { | |
569 | //nsp_dbg(NSP_DEBUG_INTR, "ret 1 phase=0x%x", phase); | |
570 | return 1; | |
571 | } | |
572 | } while(time_out-- != 0); | |
573 | ||
574 | //nsp_dbg(NSP_DEBUG_INTR, "timeout"); | |
575 | return -1; | |
576 | } | |
577 | ||
578 | /* | |
579 | * transfer SCSI message | |
580 | */ | |
0fc82d5e | 581 | static int nsp_xfer(struct scsi_cmnd *SCpnt, int phase) |
1da177e4 LT |
582 | { |
583 | unsigned int base = SCpnt->device->host->io_port; | |
584 | nsp_hw_data *data = (nsp_hw_data *)SCpnt->device->host->hostdata; | |
585 | char *buf = data->MsgBuffer; | |
586 | int len = min(MSGBUF_SIZE, data->MsgLen); | |
587 | int ptr; | |
588 | int ret; | |
589 | ||
590 | //nsp_dbg(NSP_DEBUG_DATA_IO, "in"); | |
591 | for (ptr = 0; len > 0; len--, ptr++) { | |
592 | ||
593 | ret = nsp_expect_signal(SCpnt, phase, BUSMON_REQ); | |
594 | if (ret <= 0) { | |
595 | nsp_dbg(NSP_DEBUG_DATA_IO, "xfer quit"); | |
596 | return 0; | |
597 | } | |
598 | ||
599 | /* if last byte, negate ATN */ | |
600 | if (len == 1 && SCpnt->SCp.phase == PH_MSG_OUT) { | |
601 | nsp_index_write(base, SCSIBUSCTRL, AUTODIRECTION | ACKENB); | |
602 | } | |
603 | ||
604 | /* read & write message */ | |
605 | if (phase & BUSMON_IO) { | |
606 | nsp_dbg(NSP_DEBUG_DATA_IO, "read msg"); | |
607 | buf[ptr] = nsp_index_read(base, SCSIDATAWITHACK); | |
608 | } else { | |
609 | nsp_dbg(NSP_DEBUG_DATA_IO, "write msg"); | |
610 | nsp_index_write(base, SCSIDATAWITHACK, buf[ptr]); | |
611 | } | |
612 | nsp_negate_signal(SCpnt, BUSMON_ACK, "xfer<ack>"); | |
613 | ||
614 | } | |
615 | return len; | |
616 | } | |
617 | ||
618 | /* | |
619 | * get extra SCSI data from fifo | |
620 | */ | |
0fc82d5e | 621 | static int nsp_dataphase_bypass(struct scsi_cmnd *SCpnt) |
1da177e4 LT |
622 | { |
623 | nsp_hw_data *data = (nsp_hw_data *)SCpnt->device->host->hostdata; | |
624 | unsigned int count; | |
625 | ||
626 | //nsp_dbg(NSP_DEBUG_DATA_IO, "in"); | |
627 | ||
628 | if (SCpnt->SCp.have_data_in != IO_IN) { | |
629 | return 0; | |
630 | } | |
631 | ||
632 | count = nsp_fifo_count(SCpnt); | |
633 | if (data->FifoCount == count) { | |
634 | //nsp_dbg(NSP_DEBUG_DATA_IO, "not use bypass quirk"); | |
635 | return 0; | |
636 | } | |
637 | ||
638 | /* | |
639 | * XXX: NSP_QUIRK | |
640 | * data phase skip only occures in case of SCSI_LOW_READ | |
641 | */ | |
642 | nsp_dbg(NSP_DEBUG_DATA_IO, "use bypass quirk"); | |
643 | SCpnt->SCp.phase = PH_DATA; | |
644 | nsp_pio_read(SCpnt); | |
645 | nsp_setup_fifo(data, FALSE); | |
646 | ||
647 | return 0; | |
648 | } | |
649 | ||
650 | /* | |
651 | * accept reselection | |
652 | */ | |
0fc82d5e | 653 | static int nsp_reselected(struct scsi_cmnd *SCpnt) |
1da177e4 LT |
654 | { |
655 | unsigned int base = SCpnt->device->host->io_port; | |
656 | unsigned int host_id = SCpnt->device->host->this_id; | |
657 | //nsp_hw_data *data = (nsp_hw_data *)SCpnt->device->host->hostdata; | |
658 | unsigned char bus_reg; | |
659 | unsigned char id_reg, tmp; | |
660 | int target; | |
661 | ||
662 | nsp_dbg(NSP_DEBUG_RESELECTION, "in"); | |
663 | ||
664 | id_reg = nsp_index_read(base, RESELECTID); | |
665 | tmp = id_reg & (~BIT(host_id)); | |
666 | target = 0; | |
667 | while(tmp != 0) { | |
668 | if (tmp & BIT(0)) { | |
669 | break; | |
670 | } | |
671 | tmp >>= 1; | |
672 | target++; | |
673 | } | |
674 | ||
422c0d61 | 675 | if (scmd_id(SCpnt) != target) { |
1da177e4 LT |
676 | nsp_msg(KERN_ERR, "XXX: reselect ID must be %d in this implementation.", target); |
677 | } | |
678 | ||
679 | nsp_negate_signal(SCpnt, BUSMON_SEL, "reselect<SEL>"); | |
680 | ||
681 | nsp_nexus(SCpnt); | |
682 | bus_reg = nsp_index_read(base, SCSIBUSCTRL) & ~(SCSI_BSY | SCSI_ATN); | |
683 | nsp_index_write(base, SCSIBUSCTRL, bus_reg); | |
684 | nsp_index_write(base, SCSIBUSCTRL, bus_reg | AUTODIRECTION | ACKENB); | |
685 | ||
686 | return TRUE; | |
687 | } | |
688 | ||
689 | /* | |
690 | * count how many data transferd | |
691 | */ | |
0fc82d5e | 692 | static int nsp_fifo_count(struct scsi_cmnd *SCpnt) |
1da177e4 LT |
693 | { |
694 | unsigned int base = SCpnt->device->host->io_port; | |
695 | unsigned int count; | |
696 | unsigned int l, m, h, dummy; | |
697 | ||
698 | nsp_index_write(base, POINTERCLR, POINTER_CLEAR | ACK_COUNTER); | |
699 | ||
700 | l = nsp_index_read(base, TRANSFERCOUNT); | |
701 | m = nsp_index_read(base, TRANSFERCOUNT); | |
702 | h = nsp_index_read(base, TRANSFERCOUNT); | |
703 | dummy = nsp_index_read(base, TRANSFERCOUNT); /* required this! */ | |
704 | ||
705 | count = (h << 16) | (m << 8) | (l << 0); | |
706 | ||
707 | //nsp_dbg(NSP_DEBUG_DATA_IO, "count=0x%x", count); | |
708 | ||
709 | return count; | |
710 | } | |
711 | ||
712 | /* fifo size */ | |
713 | #define RFIFO_CRIT 64 | |
714 | #define WFIFO_CRIT 64 | |
715 | ||
716 | /* | |
717 | * read data in DATA IN phase | |
718 | */ | |
0fc82d5e | 719 | static void nsp_pio_read(struct scsi_cmnd *SCpnt) |
1da177e4 LT |
720 | { |
721 | unsigned int base = SCpnt->device->host->io_port; | |
722 | unsigned long mmio_base = SCpnt->device->host->base; | |
723 | nsp_hw_data *data = (nsp_hw_data *)SCpnt->device->host->hostdata; | |
724 | long time_out; | |
725 | int ocount, res; | |
726 | unsigned char stat, fifo_stat; | |
727 | ||
728 | ocount = data->FifoCount; | |
729 | ||
730 | 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", | |
040cd232 BH |
731 | SCpnt, scsi_get_resid(SCpnt), ocount, SCpnt->SCp.ptr, |
732 | SCpnt->SCp.this_residual, SCpnt->SCp.buffer, | |
733 | SCpnt->SCp.buffers_residual); | |
1da177e4 LT |
734 | |
735 | time_out = 1000; | |
736 | ||
737 | while ((time_out-- != 0) && | |
738 | (SCpnt->SCp.this_residual > 0 || SCpnt->SCp.buffers_residual > 0 ) ) { | |
739 | ||
740 | stat = nsp_index_read(base, SCSIBUSMON); | |
741 | stat &= BUSMON_PHASE_MASK; | |
742 | ||
743 | ||
744 | res = nsp_fifo_count(SCpnt) - ocount; | |
745 | //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); | |
746 | if (res == 0) { /* if some data avilable ? */ | |
747 | if (stat == BUSPHASE_DATA_IN) { /* phase changed? */ | |
748 | //nsp_dbg(NSP_DEBUG_DATA_IO, " wait for data this=%d", SCpnt->SCp.this_residual); | |
749 | continue; | |
750 | } else { | |
751 | nsp_dbg(NSP_DEBUG_DATA_IO, "phase changed stat=0x%x", stat); | |
752 | break; | |
753 | } | |
754 | } | |
755 | ||
756 | fifo_stat = nsp_read(base, FIFOSTATUS); | |
757 | if ((fifo_stat & FIFOSTATUS_FULL_EMPTY) == 0 && | |
758 | stat == BUSPHASE_DATA_IN) { | |
759 | continue; | |
760 | } | |
761 | ||
762 | res = min(res, SCpnt->SCp.this_residual); | |
763 | ||
764 | switch (data->TransferMode) { | |
765 | case MODE_IO32: | |
766 | res &= ~(BIT(1)|BIT(0)); /* align 4 */ | |
767 | nsp_fifo32_read(base, SCpnt->SCp.ptr, res >> 2); | |
768 | break; | |
769 | case MODE_IO8: | |
770 | nsp_fifo8_read (base, SCpnt->SCp.ptr, res ); | |
771 | break; | |
772 | ||
773 | case MODE_MEM32: | |
774 | res &= ~(BIT(1)|BIT(0)); /* align 4 */ | |
775 | nsp_mmio_fifo32_read(mmio_base, SCpnt->SCp.ptr, res >> 2); | |
776 | break; | |
777 | ||
778 | default: | |
779 | nsp_dbg(NSP_DEBUG_DATA_IO, "unknown read mode"); | |
780 | return; | |
781 | } | |
782 | ||
040cd232 | 783 | nsp_inc_resid(SCpnt, -res); |
1da177e4 LT |
784 | SCpnt->SCp.ptr += res; |
785 | SCpnt->SCp.this_residual -= res; | |
786 | ocount += res; | |
787 | //nsp_dbg(NSP_DEBUG_DATA_IO, "ptr=0x%p this_residual=0x%x ocount=0x%x", SCpnt->SCp.ptr, SCpnt->SCp.this_residual, ocount); | |
788 | ||
789 | /* go to next scatter list if available */ | |
790 | if (SCpnt->SCp.this_residual == 0 && | |
791 | SCpnt->SCp.buffers_residual != 0 ) { | |
792 | //nsp_dbg(NSP_DEBUG_DATA_IO, "scatterlist next timeout=%d", time_out); | |
793 | SCpnt->SCp.buffers_residual--; | |
794 | SCpnt->SCp.buffer++; | |
795 | SCpnt->SCp.ptr = BUFFER_ADDR; | |
796 | SCpnt->SCp.this_residual = SCpnt->SCp.buffer->length; | |
797 | time_out = 1000; | |
798 | ||
799 | //nsp_dbg(NSP_DEBUG_DATA_IO, "page: 0x%p, off: 0x%x", SCpnt->SCp.buffer->page, SCpnt->SCp.buffer->offset); | |
800 | } | |
801 | } | |
802 | ||
803 | data->FifoCount = ocount; | |
804 | ||
805 | if (time_out == 0) { | |
806 | nsp_msg(KERN_DEBUG, "pio read timeout resid=%d this_residual=%d buffers_residual=%d", | |
040cd232 BH |
807 | scsi_get_resid(SCpnt), SCpnt->SCp.this_residual, |
808 | SCpnt->SCp.buffers_residual); | |
1da177e4 LT |
809 | } |
810 | nsp_dbg(NSP_DEBUG_DATA_IO, "read ocount=0x%x", ocount); | |
040cd232 BH |
811 | nsp_dbg(NSP_DEBUG_DATA_IO, "r cmd=%d resid=0x%x\n", data->CmdId, |
812 | scsi_get_resid(SCpnt)); | |
1da177e4 LT |
813 | } |
814 | ||
815 | /* | |
816 | * write data in DATA OUT phase | |
817 | */ | |
0fc82d5e | 818 | static void nsp_pio_write(struct scsi_cmnd *SCpnt) |
1da177e4 LT |
819 | { |
820 | unsigned int base = SCpnt->device->host->io_port; | |
821 | unsigned long mmio_base = SCpnt->device->host->base; | |
822 | nsp_hw_data *data = (nsp_hw_data *)SCpnt->device->host->hostdata; | |
823 | int time_out; | |
824 | int ocount, res; | |
825 | unsigned char stat; | |
826 | ||
827 | ocount = data->FifoCount; | |
828 | ||
829 | nsp_dbg(NSP_DEBUG_DATA_IO, "in fifocount=%d ptr=0x%p this_residual=%d buffers=0x%p nbuf=%d resid=0x%x", | |
040cd232 BH |
830 | data->FifoCount, SCpnt->SCp.ptr, SCpnt->SCp.this_residual, |
831 | SCpnt->SCp.buffer, SCpnt->SCp.buffers_residual, | |
832 | scsi_get_resid(SCpnt)); | |
1da177e4 LT |
833 | |
834 | time_out = 1000; | |
835 | ||
836 | while ((time_out-- != 0) && | |
837 | (SCpnt->SCp.this_residual > 0 || SCpnt->SCp.buffers_residual > 0)) { | |
838 | stat = nsp_index_read(base, SCSIBUSMON); | |
839 | stat &= BUSMON_PHASE_MASK; | |
840 | ||
841 | if (stat != BUSPHASE_DATA_OUT) { | |
842 | res = ocount - nsp_fifo_count(SCpnt); | |
843 | ||
844 | nsp_dbg(NSP_DEBUG_DATA_IO, "phase changed stat=0x%x, res=%d\n", stat, res); | |
845 | /* Put back pointer */ | |
040cd232 | 846 | nsp_inc_resid(SCpnt, res); |
1da177e4 LT |
847 | SCpnt->SCp.ptr -= res; |
848 | SCpnt->SCp.this_residual += res; | |
849 | ocount -= res; | |
850 | ||
851 | break; | |
852 | } | |
853 | ||
854 | res = ocount - nsp_fifo_count(SCpnt); | |
855 | if (res > 0) { /* write all data? */ | |
856 | nsp_dbg(NSP_DEBUG_DATA_IO, "wait for all data out. ocount=0x%x res=%d", ocount, res); | |
857 | continue; | |
858 | } | |
859 | ||
860 | res = min(SCpnt->SCp.this_residual, WFIFO_CRIT); | |
861 | ||
862 | //nsp_dbg(NSP_DEBUG_DATA_IO, "ptr=0x%p this=0x%x res=0x%x", SCpnt->SCp.ptr, SCpnt->SCp.this_residual, res); | |
863 | switch (data->TransferMode) { | |
864 | case MODE_IO32: | |
865 | res &= ~(BIT(1)|BIT(0)); /* align 4 */ | |
866 | nsp_fifo32_write(base, SCpnt->SCp.ptr, res >> 2); | |
867 | break; | |
868 | case MODE_IO8: | |
869 | nsp_fifo8_write (base, SCpnt->SCp.ptr, res ); | |
870 | break; | |
871 | ||
872 | case MODE_MEM32: | |
873 | res &= ~(BIT(1)|BIT(0)); /* align 4 */ | |
874 | nsp_mmio_fifo32_write(mmio_base, SCpnt->SCp.ptr, res >> 2); | |
875 | break; | |
876 | ||
877 | default: | |
878 | nsp_dbg(NSP_DEBUG_DATA_IO, "unknown write mode"); | |
879 | break; | |
880 | } | |
881 | ||
040cd232 | 882 | nsp_inc_resid(SCpnt, -res); |
1da177e4 LT |
883 | SCpnt->SCp.ptr += res; |
884 | SCpnt->SCp.this_residual -= res; | |
885 | ocount += res; | |
886 | ||
887 | /* go to next scatter list if available */ | |
888 | if (SCpnt->SCp.this_residual == 0 && | |
889 | SCpnt->SCp.buffers_residual != 0 ) { | |
890 | //nsp_dbg(NSP_DEBUG_DATA_IO, "scatterlist next"); | |
891 | SCpnt->SCp.buffers_residual--; | |
892 | SCpnt->SCp.buffer++; | |
893 | SCpnt->SCp.ptr = BUFFER_ADDR; | |
894 | SCpnt->SCp.this_residual = SCpnt->SCp.buffer->length; | |
895 | time_out = 1000; | |
896 | } | |
897 | } | |
898 | ||
899 | data->FifoCount = ocount; | |
900 | ||
901 | if (time_out == 0) { | |
040cd232 BH |
902 | nsp_msg(KERN_DEBUG, "pio write timeout resid=0x%x", |
903 | scsi_get_resid(SCpnt)); | |
1da177e4 LT |
904 | } |
905 | nsp_dbg(NSP_DEBUG_DATA_IO, "write ocount=0x%x", ocount); | |
040cd232 BH |
906 | nsp_dbg(NSP_DEBUG_DATA_IO, "w cmd=%d resid=0x%x\n", data->CmdId, |
907 | scsi_get_resid(SCpnt)); | |
1da177e4 LT |
908 | } |
909 | #undef RFIFO_CRIT | |
910 | #undef WFIFO_CRIT | |
911 | ||
912 | /* | |
913 | * setup synchronous/asynchronous data transfer mode | |
914 | */ | |
0fc82d5e | 915 | static int nsp_nexus(struct scsi_cmnd *SCpnt) |
1da177e4 LT |
916 | { |
917 | unsigned int base = SCpnt->device->host->io_port; | |
422c0d61 | 918 | unsigned char target = scmd_id(SCpnt); |
1da177e4 LT |
919 | // unsigned char lun = SCpnt->device->lun; |
920 | nsp_hw_data *data = (nsp_hw_data *)SCpnt->device->host->hostdata; | |
921 | sync_data *sync = &(data->Sync[target]); | |
922 | ||
923 | //nsp_dbg(NSP_DEBUG_DATA_IO, "in SCpnt=0x%p", SCpnt); | |
924 | ||
925 | /* setup synch transfer registers */ | |
926 | nsp_index_write(base, SYNCREG, sync->SyncRegister); | |
927 | nsp_index_write(base, ACKWIDTH, sync->AckWidth); | |
928 | ||
040cd232 BH |
929 | if (scsi_get_resid(SCpnt) % 4 != 0 || |
930 | scsi_get_resid(SCpnt) <= PAGE_SIZE ) { | |
1da177e4 LT |
931 | data->TransferMode = MODE_IO8; |
932 | } else if (nsp_burst_mode == BURST_MEM32) { | |
933 | data->TransferMode = MODE_MEM32; | |
934 | } else if (nsp_burst_mode == BURST_IO32) { | |
935 | data->TransferMode = MODE_IO32; | |
936 | } else { | |
937 | data->TransferMode = MODE_IO8; | |
938 | } | |
939 | ||
940 | /* setup pdma fifo */ | |
941 | nsp_setup_fifo(data, TRUE); | |
942 | ||
943 | /* clear ack counter */ | |
944 | data->FifoCount = 0; | |
945 | nsp_index_write(base, POINTERCLR, POINTER_CLEAR | | |
946 | ACK_COUNTER_CLEAR | | |
947 | REQ_COUNTER_CLEAR | | |
948 | HOST_COUNTER_CLEAR); | |
949 | ||
950 | return 0; | |
951 | } | |
952 | ||
953 | #include "nsp_message.c" | |
954 | /* | |
955 | * interrupt handler | |
956 | */ | |
7d12e780 | 957 | static irqreturn_t nspintr(int irq, void *dev_id) |
1da177e4 LT |
958 | { |
959 | unsigned int base; | |
960 | unsigned char irq_status, irq_phase, phase; | |
0fc82d5e | 961 | struct scsi_cmnd *tmpSC; |
1da177e4 LT |
962 | unsigned char target, lun; |
963 | unsigned int *sync_neg; | |
964 | int i, tmp; | |
965 | nsp_hw_data *data; | |
966 | ||
967 | ||
968 | //nsp_dbg(NSP_DEBUG_INTR, "dev_id=0x%p", dev_id); | |
969 | //nsp_dbg(NSP_DEBUG_INTR, "host=0x%p", ((scsi_info_t *)dev_id)->host); | |
970 | ||
971 | if ( dev_id != NULL && | |
972 | ((scsi_info_t *)dev_id)->host != NULL ) { | |
973 | scsi_info_t *info = (scsi_info_t *)dev_id; | |
974 | ||
975 | data = (nsp_hw_data *)info->host->hostdata; | |
976 | } else { | |
977 | nsp_dbg(NSP_DEBUG_INTR, "host data wrong"); | |
978 | return IRQ_NONE; | |
979 | } | |
980 | ||
981 | //nsp_dbg(NSP_DEBUG_INTR, "&nsp_data_base=0x%p, dev_id=0x%p", &nsp_data_base, dev_id); | |
982 | ||
983 | base = data->BaseAddress; | |
984 | //nsp_dbg(NSP_DEBUG_INTR, "base=0x%x", base); | |
985 | ||
986 | /* | |
987 | * interrupt check | |
988 | */ | |
989 | nsp_write(base, IRQCONTROL, IRQCONTROL_IRQDISABLE); | |
990 | irq_status = nsp_read(base, IRQSTATUS); | |
991 | //nsp_dbg(NSP_DEBUG_INTR, "irq_status=0x%x", irq_status); | |
992 | if ((irq_status == 0xff) || ((irq_status & IRQSTATUS_MASK) == 0)) { | |
993 | nsp_write(base, IRQCONTROL, 0); | |
994 | //nsp_dbg(NSP_DEBUG_INTR, "no irq/shared irq"); | |
995 | return IRQ_NONE; | |
996 | } | |
997 | ||
998 | /* XXX: IMPORTANT | |
999 | * Do not read an irq_phase register if no scsi phase interrupt. | |
1000 | * Unless, you should lose a scsi phase interrupt. | |
1001 | */ | |
1002 | phase = nsp_index_read(base, SCSIBUSMON); | |
1003 | if((irq_status & IRQSTATUS_SCSI) != 0) { | |
1004 | irq_phase = nsp_index_read(base, IRQPHASESENCE); | |
1005 | } else { | |
1006 | irq_phase = 0; | |
1007 | } | |
1008 | ||
1009 | //nsp_dbg(NSP_DEBUG_INTR, "irq_phase=0x%x", irq_phase); | |
1010 | ||
1011 | /* | |
1012 | * timer interrupt handler (scsi vs timer interrupts) | |
1013 | */ | |
1014 | //nsp_dbg(NSP_DEBUG_INTR, "timercount=%d", data->TimerCount); | |
1015 | if (data->TimerCount != 0) { | |
1016 | //nsp_dbg(NSP_DEBUG_INTR, "stop timer"); | |
1017 | nsp_index_write(base, TIMERCOUNT, 0); | |
1018 | nsp_index_write(base, TIMERCOUNT, 0); | |
1019 | data->TimerCount = 0; | |
1020 | } | |
1021 | ||
1022 | if ((irq_status & IRQSTATUS_MASK) == IRQSTATUS_TIMER && | |
1023 | data->SelectionTimeOut == 0) { | |
1024 | //nsp_dbg(NSP_DEBUG_INTR, "timer start"); | |
1025 | nsp_write(base, IRQCONTROL, IRQCONTROL_TIMER_CLEAR); | |
1026 | return IRQ_HANDLED; | |
1027 | } | |
1028 | ||
1029 | nsp_write(base, IRQCONTROL, IRQCONTROL_TIMER_CLEAR | IRQCONTROL_FIFO_CLEAR); | |
1030 | ||
1031 | if ((irq_status & IRQSTATUS_SCSI) && | |
1032 | (irq_phase & SCSI_RESET_IRQ)) { | |
1033 | nsp_msg(KERN_ERR, "bus reset (power off?)"); | |
1034 | ||
1035 | nsphw_init(data); | |
1036 | nsp_bus_reset(data); | |
1037 | ||
1038 | if(data->CurrentSC != NULL) { | |
1039 | tmpSC = data->CurrentSC; | |
1040 | tmpSC->result = (DID_RESET << 16) | | |
1041 | ((tmpSC->SCp.Message & 0xff) << 8) | | |
1042 | ((tmpSC->SCp.Status & 0xff) << 0); | |
1043 | nsp_scsi_done(tmpSC); | |
1044 | } | |
1045 | return IRQ_HANDLED; | |
1046 | } | |
1047 | ||
1048 | if (data->CurrentSC == NULL) { | |
1049 | 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); | |
1050 | nsphw_init(data); | |
1051 | nsp_bus_reset(data); | |
1052 | return IRQ_HANDLED; | |
1053 | } | |
1054 | ||
1055 | tmpSC = data->CurrentSC; | |
1056 | target = tmpSC->device->id; | |
1057 | lun = tmpSC->device->lun; | |
1058 | sync_neg = &(data->Sync[target].SyncNegotiation); | |
1059 | ||
1060 | /* | |
1061 | * parse hardware SCSI irq reasons register | |
1062 | */ | |
1063 | if (irq_status & IRQSTATUS_SCSI) { | |
1064 | if (irq_phase & RESELECT_IRQ) { | |
1065 | nsp_dbg(NSP_DEBUG_INTR, "reselect"); | |
1066 | nsp_write(base, IRQCONTROL, IRQCONTROL_RESELECT_CLEAR); | |
1067 | if (nsp_reselected(tmpSC) != FALSE) { | |
1068 | return IRQ_HANDLED; | |
1069 | } | |
1070 | } | |
1071 | ||
1072 | if ((irq_phase & (PHASE_CHANGE_IRQ | LATCHED_BUS_FREE)) == 0) { | |
1073 | return IRQ_HANDLED; | |
1074 | } | |
1075 | } | |
1076 | ||
1077 | //show_phase(tmpSC); | |
1078 | ||
1079 | switch(tmpSC->SCp.phase) { | |
1080 | case PH_SELSTART: | |
1081 | // *sync_neg = SYNC_NOT_YET; | |
1082 | if ((phase & BUSMON_BSY) == 0) { | |
1083 | //nsp_dbg(NSP_DEBUG_INTR, "selection count=%d", data->SelectionTimeOut); | |
1084 | if (data->SelectionTimeOut >= NSP_SELTIMEOUT) { | |
1085 | nsp_dbg(NSP_DEBUG_INTR, "selection time out"); | |
1086 | data->SelectionTimeOut = 0; | |
1087 | nsp_index_write(base, SCSIBUSCTRL, 0); | |
1088 | ||
1089 | tmpSC->result = DID_TIME_OUT << 16; | |
1090 | nsp_scsi_done(tmpSC); | |
1091 | ||
1092 | return IRQ_HANDLED; | |
1093 | } | |
1094 | data->SelectionTimeOut += 1; | |
1095 | nsp_start_timer(tmpSC, 1000/51); | |
1096 | return IRQ_HANDLED; | |
1097 | } | |
1098 | ||
1099 | /* attention assert */ | |
1100 | //nsp_dbg(NSP_DEBUG_INTR, "attention assert"); | |
1101 | data->SelectionTimeOut = 0; | |
1102 | tmpSC->SCp.phase = PH_SELECTED; | |
1103 | nsp_index_write(base, SCSIBUSCTRL, SCSI_ATN); | |
1104 | udelay(1); | |
1105 | nsp_index_write(base, SCSIBUSCTRL, SCSI_ATN | AUTODIRECTION | ACKENB); | |
1106 | return IRQ_HANDLED; | |
1107 | ||
1108 | break; | |
1109 | ||
1110 | case PH_RESELECT: | |
1111 | //nsp_dbg(NSP_DEBUG_INTR, "phase reselect"); | |
1112 | // *sync_neg = SYNC_NOT_YET; | |
1113 | if ((phase & BUSMON_PHASE_MASK) != BUSPHASE_MESSAGE_IN) { | |
1114 | ||
1115 | tmpSC->result = DID_ABORT << 16; | |
1116 | nsp_scsi_done(tmpSC); | |
1117 | return IRQ_HANDLED; | |
1118 | } | |
1119 | /* fall thru */ | |
1120 | default: | |
1121 | if ((irq_status & (IRQSTATUS_SCSI | IRQSTATUS_FIFO)) == 0) { | |
1122 | return IRQ_HANDLED; | |
1123 | } | |
1124 | break; | |
1125 | } | |
1126 | ||
1127 | /* | |
1128 | * SCSI sequencer | |
1129 | */ | |
1130 | //nsp_dbg(NSP_DEBUG_INTR, "start scsi seq"); | |
1131 | ||
1132 | /* normal disconnect */ | |
1133 | if (((tmpSC->SCp.phase == PH_MSG_IN) || (tmpSC->SCp.phase == PH_MSG_OUT)) && | |
1134 | (irq_phase & LATCHED_BUS_FREE) != 0 ) { | |
1135 | nsp_dbg(NSP_DEBUG_INTR, "normal disconnect irq_status=0x%x, phase=0x%x, irq_phase=0x%x", irq_status, phase, irq_phase); | |
1136 | ||
1137 | //*sync_neg = SYNC_NOT_YET; | |
1138 | ||
1139 | if ((tmpSC->SCp.Message == MSG_COMMAND_COMPLETE)) { /* all command complete and return status */ | |
1140 | tmpSC->result = (DID_OK << 16) | | |
1141 | ((tmpSC->SCp.Message & 0xff) << 8) | | |
1142 | ((tmpSC->SCp.Status & 0xff) << 0); | |
1143 | nsp_dbg(NSP_DEBUG_INTR, "command complete result=0x%x", tmpSC->result); | |
1144 | nsp_scsi_done(tmpSC); | |
1145 | ||
1146 | return IRQ_HANDLED; | |
1147 | } | |
1148 | ||
1149 | return IRQ_HANDLED; | |
1150 | } | |
1151 | ||
1152 | ||
1153 | /* check unexpected bus free state */ | |
1154 | if (phase == 0) { | |
1155 | nsp_msg(KERN_DEBUG, "unexpected bus free. irq_status=0x%x, phase=0x%x, irq_phase=0x%x", irq_status, phase, irq_phase); | |
1156 | ||
1157 | *sync_neg = SYNC_NG; | |
1158 | tmpSC->result = DID_ERROR << 16; | |
1159 | nsp_scsi_done(tmpSC); | |
1160 | return IRQ_HANDLED; | |
1161 | } | |
1162 | ||
1163 | switch (phase & BUSMON_PHASE_MASK) { | |
1164 | case BUSPHASE_COMMAND: | |
1165 | nsp_dbg(NSP_DEBUG_INTR, "BUSPHASE_COMMAND"); | |
1166 | if ((phase & BUSMON_REQ) == 0) { | |
1167 | nsp_dbg(NSP_DEBUG_INTR, "REQ == 0"); | |
1168 | return IRQ_HANDLED; | |
1169 | } | |
1170 | ||
1171 | tmpSC->SCp.phase = PH_COMMAND; | |
1172 | ||
1173 | nsp_nexus(tmpSC); | |
1174 | ||
1175 | /* write scsi command */ | |
1176 | nsp_dbg(NSP_DEBUG_INTR, "cmd_len=%d", tmpSC->cmd_len); | |
1177 | nsp_index_write(base, COMMANDCTRL, CLEAR_COMMAND_POINTER); | |
1178 | for (i = 0; i < tmpSC->cmd_len; i++) { | |
1179 | nsp_index_write(base, COMMANDDATA, tmpSC->cmnd[i]); | |
1180 | } | |
1181 | nsp_index_write(base, COMMANDCTRL, CLEAR_COMMAND_POINTER | AUTO_COMMAND_GO); | |
1182 | break; | |
1183 | ||
1184 | case BUSPHASE_DATA_OUT: | |
1185 | nsp_dbg(NSP_DEBUG_INTR, "BUSPHASE_DATA_OUT"); | |
1186 | ||
1187 | tmpSC->SCp.phase = PH_DATA; | |
1188 | tmpSC->SCp.have_data_in = IO_OUT; | |
1189 | ||
1190 | nsp_pio_write(tmpSC); | |
1191 | ||
1192 | break; | |
1193 | ||
1194 | case BUSPHASE_DATA_IN: | |
1195 | nsp_dbg(NSP_DEBUG_INTR, "BUSPHASE_DATA_IN"); | |
1196 | ||
1197 | tmpSC->SCp.phase = PH_DATA; | |
1198 | tmpSC->SCp.have_data_in = IO_IN; | |
1199 | ||
1200 | nsp_pio_read(tmpSC); | |
1201 | ||
1202 | break; | |
1203 | ||
1204 | case BUSPHASE_STATUS: | |
1205 | nsp_dataphase_bypass(tmpSC); | |
1206 | nsp_dbg(NSP_DEBUG_INTR, "BUSPHASE_STATUS"); | |
1207 | ||
1208 | tmpSC->SCp.phase = PH_STATUS; | |
1209 | ||
1210 | tmpSC->SCp.Status = nsp_index_read(base, SCSIDATAWITHACK); | |
1211 | nsp_dbg(NSP_DEBUG_INTR, "message=0x%x status=0x%x", tmpSC->SCp.Message, tmpSC->SCp.Status); | |
1212 | ||
1213 | break; | |
1214 | ||
1215 | case BUSPHASE_MESSAGE_OUT: | |
1216 | nsp_dbg(NSP_DEBUG_INTR, "BUSPHASE_MESSAGE_OUT"); | |
1217 | if ((phase & BUSMON_REQ) == 0) { | |
1218 | goto timer_out; | |
1219 | } | |
1220 | ||
1221 | tmpSC->SCp.phase = PH_MSG_OUT; | |
1222 | ||
1223 | //*sync_neg = SYNC_NOT_YET; | |
1224 | ||
1225 | data->MsgLen = i = 0; | |
1226 | data->MsgBuffer[i] = IDENTIFY(TRUE, lun); i++; | |
1227 | ||
1228 | if (*sync_neg == SYNC_NOT_YET) { | |
1229 | data->Sync[target].SyncPeriod = 0; | |
1230 | data->Sync[target].SyncOffset = 0; | |
1231 | ||
1232 | /**/ | |
1233 | data->MsgBuffer[i] = MSG_EXTENDED; i++; | |
1234 | data->MsgBuffer[i] = 3; i++; | |
1235 | data->MsgBuffer[i] = MSG_EXT_SDTR; i++; | |
1236 | data->MsgBuffer[i] = 0x0c; i++; | |
1237 | data->MsgBuffer[i] = 15; i++; | |
1238 | /**/ | |
1239 | } | |
1240 | data->MsgLen = i; | |
1241 | ||
1242 | nsp_analyze_sdtr(tmpSC); | |
1243 | show_message(data); | |
1244 | nsp_message_out(tmpSC); | |
1245 | break; | |
1246 | ||
1247 | case BUSPHASE_MESSAGE_IN: | |
1248 | nsp_dataphase_bypass(tmpSC); | |
1249 | nsp_dbg(NSP_DEBUG_INTR, "BUSPHASE_MESSAGE_IN"); | |
1250 | if ((phase & BUSMON_REQ) == 0) { | |
1251 | goto timer_out; | |
1252 | } | |
1253 | ||
1254 | tmpSC->SCp.phase = PH_MSG_IN; | |
1255 | nsp_message_in(tmpSC); | |
1256 | ||
1257 | /**/ | |
1258 | if (*sync_neg == SYNC_NOT_YET) { | |
1259 | //nsp_dbg(NSP_DEBUG_INTR, "sync target=%d,lun=%d",target,lun); | |
1260 | ||
1261 | if (data->MsgLen >= 5 && | |
1262 | data->MsgBuffer[0] == MSG_EXTENDED && | |
1263 | data->MsgBuffer[1] == 3 && | |
1264 | data->MsgBuffer[2] == MSG_EXT_SDTR ) { | |
1265 | data->Sync[target].SyncPeriod = data->MsgBuffer[3]; | |
1266 | data->Sync[target].SyncOffset = data->MsgBuffer[4]; | |
1267 | //nsp_dbg(NSP_DEBUG_INTR, "sync ok, %d %d", data->MsgBuffer[3], data->MsgBuffer[4]); | |
1268 | *sync_neg = SYNC_OK; | |
1269 | } else { | |
1270 | data->Sync[target].SyncPeriod = 0; | |
1271 | data->Sync[target].SyncOffset = 0; | |
1272 | *sync_neg = SYNC_NG; | |
1273 | } | |
1274 | nsp_analyze_sdtr(tmpSC); | |
1275 | } | |
1276 | /**/ | |
1277 | ||
1278 | /* search last messeage byte */ | |
1279 | tmp = -1; | |
1280 | for (i = 0; i < data->MsgLen; i++) { | |
1281 | tmp = data->MsgBuffer[i]; | |
1282 | if (data->MsgBuffer[i] == MSG_EXTENDED) { | |
1283 | i += (1 + data->MsgBuffer[i+1]); | |
1284 | } | |
1285 | } | |
1286 | tmpSC->SCp.Message = tmp; | |
1287 | ||
1288 | nsp_dbg(NSP_DEBUG_INTR, "message=0x%x len=%d", tmpSC->SCp.Message, data->MsgLen); | |
1289 | show_message(data); | |
1290 | ||
1291 | break; | |
1292 | ||
1293 | case BUSPHASE_SELECT: | |
1294 | default: | |
1295 | nsp_dbg(NSP_DEBUG_INTR, "BUSPHASE other"); | |
1296 | ||
1297 | break; | |
1298 | } | |
1299 | ||
1300 | //nsp_dbg(NSP_DEBUG_INTR, "out"); | |
1301 | return IRQ_HANDLED; | |
1302 | ||
1303 | timer_out: | |
1304 | nsp_start_timer(tmpSC, 1000/102); | |
1305 | return IRQ_HANDLED; | |
1306 | } | |
1307 | ||
1308 | #ifdef NSP_DEBUG | |
1309 | #include "nsp_debug.c" | |
1310 | #endif /* NSP_DEBUG */ | |
1311 | ||
1312 | /*----------------------------------------------------------------*/ | |
1313 | /* look for ninja3 card and init if found */ | |
1314 | /*----------------------------------------------------------------*/ | |
d0be4a7d | 1315 | static struct Scsi_Host *nsp_detect(struct scsi_host_template *sht) |
1da177e4 LT |
1316 | { |
1317 | struct Scsi_Host *host; /* registered host structure */ | |
1318 | nsp_hw_data *data_b = &nsp_data_base, *data; | |
1319 | ||
1320 | nsp_dbg(NSP_DEBUG_INIT, "this_id=%d", sht->this_id); | |
1da177e4 | 1321 | host = scsi_host_alloc(&nsp_driver_template, sizeof(nsp_hw_data)); |
1da177e4 LT |
1322 | if (host == NULL) { |
1323 | nsp_dbg(NSP_DEBUG_INIT, "host failed"); | |
1324 | return NULL; | |
1325 | } | |
1326 | ||
1327 | memcpy(host->hostdata, data_b, sizeof(nsp_hw_data)); | |
1328 | data = (nsp_hw_data *)host->hostdata; | |
1329 | data->ScsiInfo->host = host; | |
1330 | #ifdef NSP_DEBUG | |
1331 | data->CmdId = 0; | |
1332 | #endif | |
1333 | ||
1334 | nsp_dbg(NSP_DEBUG_INIT, "irq=%d,%d", data_b->IrqNumber, ((nsp_hw_data *)host->hostdata)->IrqNumber); | |
1335 | ||
1336 | host->unique_id = data->BaseAddress; | |
1337 | host->io_port = data->BaseAddress; | |
1338 | host->n_io_port = data->NumAddress; | |
1339 | host->irq = data->IrqNumber; | |
1340 | host->base = data->MmioAddress; | |
1341 | ||
1342 | spin_lock_init(&(data->Lock)); | |
1343 | ||
1344 | snprintf(data->nspinfo, | |
1345 | sizeof(data->nspinfo), | |
1346 | "NinjaSCSI-3/32Bi Driver $Revision: 1.23 $ IO:0x%04lx-0x%04lx MMIO(virt addr):0x%04lx IRQ:%02d", | |
1347 | host->io_port, host->io_port + host->n_io_port - 1, | |
1348 | host->base, | |
1349 | host->irq); | |
1350 | sht->name = data->nspinfo; | |
1351 | ||
1352 | nsp_dbg(NSP_DEBUG_INIT, "end"); | |
1353 | ||
1354 | ||
1355 | return host; /* detect done. */ | |
1356 | } | |
1357 | ||
1da177e4 LT |
1358 | /*----------------------------------------------------------------*/ |
1359 | /* return info string */ | |
1360 | /*----------------------------------------------------------------*/ | |
1361 | static const char *nsp_info(struct Scsi_Host *shpnt) | |
1362 | { | |
1363 | nsp_hw_data *data = (nsp_hw_data *)shpnt->hostdata; | |
1364 | ||
1365 | return data->nspinfo; | |
1366 | } | |
1367 | ||
1368 | #undef SPRINTF | |
1369 | #define SPRINTF(args...) \ | |
1370 | do { \ | |
1371 | if(length > (pos - buffer)) { \ | |
1372 | pos += snprintf(pos, length - (pos - buffer) + 1, ## args); \ | |
1373 | nsp_dbg(NSP_DEBUG_PROC, "buffer=0x%p pos=0x%p length=%d %d\n", buffer, pos, length, length - (pos - buffer));\ | |
1374 | } \ | |
1375 | } while(0) | |
774251ef AB |
1376 | |
1377 | static int nsp_proc_info(struct Scsi_Host *host, char *buffer, char **start, | |
1378 | off_t offset, int length, int inout) | |
1da177e4 LT |
1379 | { |
1380 | int id; | |
1381 | char *pos = buffer; | |
1382 | int thislength; | |
1383 | int speed; | |
1384 | unsigned long flags; | |
1385 | nsp_hw_data *data; | |
1da177e4 | 1386 | int hostno; |
774251ef | 1387 | |
1da177e4 LT |
1388 | if (inout) { |
1389 | return -EINVAL; | |
1390 | } | |
1391 | ||
1da177e4 | 1392 | hostno = host->host_no; |
1da177e4 LT |
1393 | data = (nsp_hw_data *)host->hostdata; |
1394 | ||
1395 | ||
1396 | SPRINTF("NinjaSCSI status\n\n"); | |
1397 | SPRINTF("Driver version: $Revision: 1.23 $\n"); | |
1398 | SPRINTF("SCSI host No.: %d\n", hostno); | |
1399 | SPRINTF("IRQ: %d\n", host->irq); | |
1400 | SPRINTF("IO: 0x%lx-0x%lx\n", host->io_port, host->io_port + host->n_io_port - 1); | |
1401 | SPRINTF("MMIO(virtual address): 0x%lx-0x%lx\n", host->base, host->base + data->MmioLength - 1); | |
1402 | SPRINTF("sg_tablesize: %d\n", host->sg_tablesize); | |
1403 | ||
1404 | SPRINTF("burst transfer mode: "); | |
1405 | switch (nsp_burst_mode) { | |
1406 | case BURST_IO8: | |
1407 | SPRINTF("io8"); | |
1408 | break; | |
1409 | case BURST_IO32: | |
1410 | SPRINTF("io32"); | |
1411 | break; | |
1412 | case BURST_MEM32: | |
1413 | SPRINTF("mem32"); | |
1414 | break; | |
1415 | default: | |
1416 | SPRINTF("???"); | |
1417 | break; | |
1418 | } | |
1419 | SPRINTF("\n"); | |
1420 | ||
1421 | ||
1422 | spin_lock_irqsave(&(data->Lock), flags); | |
1423 | SPRINTF("CurrentSC: 0x%p\n\n", data->CurrentSC); | |
1424 | spin_unlock_irqrestore(&(data->Lock), flags); | |
1425 | ||
1426 | SPRINTF("SDTR status\n"); | |
1427 | for(id = 0; id < ARRAY_SIZE(data->Sync); id++) { | |
1428 | ||
1429 | SPRINTF("id %d: ", id); | |
1430 | ||
1431 | if (id == host->this_id) { | |
1432 | SPRINTF("----- NinjaSCSI-3 host adapter\n"); | |
1433 | continue; | |
1434 | } | |
1435 | ||
1436 | switch(data->Sync[id].SyncNegotiation) { | |
1437 | case SYNC_OK: | |
1438 | SPRINTF(" sync"); | |
1439 | break; | |
1440 | case SYNC_NG: | |
1441 | SPRINTF("async"); | |
1442 | break; | |
1443 | case SYNC_NOT_YET: | |
1444 | SPRINTF(" none"); | |
1445 | break; | |
1446 | default: | |
1447 | SPRINTF("?????"); | |
1448 | break; | |
1449 | } | |
1450 | ||
1451 | if (data->Sync[id].SyncPeriod != 0) { | |
1452 | speed = 1000000 / (data->Sync[id].SyncPeriod * 4); | |
1453 | ||
1454 | SPRINTF(" transfer %d.%dMB/s, offset %d", | |
1455 | speed / 1000, | |
1456 | speed % 1000, | |
1457 | data->Sync[id].SyncOffset | |
1458 | ); | |
1459 | } | |
1460 | SPRINTF("\n"); | |
1461 | } | |
1462 | ||
1463 | thislength = pos - (buffer + offset); | |
1464 | ||
1465 | if(thislength < 0) { | |
1466 | *start = NULL; | |
1467 | return 0; | |
1468 | } | |
1469 | ||
1470 | ||
1471 | thislength = min(thislength, length); | |
1472 | *start = buffer + offset; | |
1473 | ||
1474 | return thislength; | |
1475 | } | |
1476 | #undef SPRINTF | |
1477 | ||
1478 | /*---------------------------------------------------------------*/ | |
1479 | /* error handler */ | |
1480 | /*---------------------------------------------------------------*/ | |
1481 | ||
1da177e4 | 1482 | /* |
0fc82d5e | 1483 | static int nsp_eh_abort(struct scsi_cmnd *SCpnt) |
1da177e4 LT |
1484 | { |
1485 | nsp_dbg(NSP_DEBUG_BUSRESET, "SCpnt=0x%p", SCpnt); | |
1486 | ||
1487 | return nsp_eh_bus_reset(SCpnt); | |
1488 | }*/ | |
1489 | ||
1da177e4 LT |
1490 | static int nsp_bus_reset(nsp_hw_data *data) |
1491 | { | |
1492 | unsigned int base = data->BaseAddress; | |
1493 | int i; | |
1494 | ||
1495 | nsp_write(base, IRQCONTROL, IRQCONTROL_ALLMASK); | |
1496 | ||
1497 | nsp_index_write(base, SCSIBUSCTRL, SCSI_RST); | |
1498 | mdelay(100); /* 100ms */ | |
1499 | nsp_index_write(base, SCSIBUSCTRL, 0); | |
1500 | for(i = 0; i < 5; i++) { | |
1501 | nsp_index_read(base, IRQPHASESENCE); /* dummy read */ | |
1502 | } | |
1503 | ||
1504 | nsphw_init_sync(data); | |
1505 | ||
1506 | nsp_write(base, IRQCONTROL, IRQCONTROL_ALLCLEAR); | |
1507 | ||
1508 | return SUCCESS; | |
1509 | } | |
1510 | ||
0fc82d5e | 1511 | static int nsp_eh_bus_reset(struct scsi_cmnd *SCpnt) |
1da177e4 LT |
1512 | { |
1513 | nsp_hw_data *data = (nsp_hw_data *)SCpnt->device->host->hostdata; | |
1514 | ||
1515 | nsp_dbg(NSP_DEBUG_BUSRESET, "SCpnt=0x%p", SCpnt); | |
1516 | ||
1517 | return nsp_bus_reset(data); | |
1518 | } | |
1519 | ||
0fc82d5e | 1520 | static int nsp_eh_host_reset(struct scsi_cmnd *SCpnt) |
1da177e4 LT |
1521 | { |
1522 | nsp_hw_data *data = (nsp_hw_data *)SCpnt->device->host->hostdata; | |
1523 | ||
1524 | nsp_dbg(NSP_DEBUG_BUSRESET, "in"); | |
1525 | ||
1526 | nsphw_init(data); | |
1527 | ||
1528 | return SUCCESS; | |
1529 | } | |
1530 | ||
1531 | ||
1532 | /********************************************************************** | |
1533 | PCMCIA functions | |
1534 | **********************************************************************/ | |
1535 | ||
1536 | /*====================================================================== | |
1537 | nsp_cs_attach() creates an "instance" of the driver, allocating | |
1538 | local data structures for one device. The device is registered | |
1539 | with Card Services. | |
1540 | ||
1541 | The dev_link structure is initialized, but we don't actually | |
1542 | configure the card at this point -- we wait until we receive a | |
1543 | card insertion event. | |
1544 | ======================================================================*/ | |
15b99ac1 | 1545 | static int nsp_cs_probe(struct pcmcia_device *link) |
1da177e4 LT |
1546 | { |
1547 | scsi_info_t *info; | |
1da177e4 | 1548 | nsp_hw_data *data = &nsp_data_base; |
15b99ac1 | 1549 | int ret; |
1da177e4 LT |
1550 | |
1551 | nsp_dbg(NSP_DEBUG_INIT, "in"); | |
1552 | ||
1553 | /* Create new SCSI device */ | |
dd00cc48 | 1554 | info = kzalloc(sizeof(*info), GFP_KERNEL); |
f8cfa618 | 1555 | if (info == NULL) { return -ENOMEM; } |
fba395ee | 1556 | info->p_dev = link; |
1da177e4 LT |
1557 | link->priv = info; |
1558 | data->ScsiInfo = info; | |
1559 | ||
1560 | nsp_dbg(NSP_DEBUG_INIT, "info=0x%p", info); | |
1561 | ||
1562 | /* The io structure describes IO port mapping */ | |
1563 | link->io.NumPorts1 = 0x10; | |
1564 | link->io.Attributes1 = IO_DATA_PATH_WIDTH_AUTO; | |
1565 | link->io.IOAddrLines = 10; /* not used */ | |
1566 | ||
1567 | /* Interrupt setup */ | |
1568 | link->irq.Attributes = IRQ_TYPE_EXCLUSIVE | IRQ_HANDLE_PRESENT; | |
1569 | link->irq.IRQInfo1 = IRQ_LEVEL_ID; | |
1570 | ||
1571 | /* Interrupt handler */ | |
1572 | link->irq.Handler = &nspintr; | |
1573 | link->irq.Instance = info; | |
c4e00fac | 1574 | link->irq.Attributes |= IRQF_SHARED; |
1da177e4 LT |
1575 | |
1576 | /* General socket configuration */ | |
1577 | link->conf.Attributes = CONF_ENABLE_IRQ; | |
1da177e4 | 1578 | link->conf.IntType = INT_MEMORY_AND_IO; |
1da177e4 | 1579 | |
15b99ac1 | 1580 | ret = nsp_cs_config(link); |
1da177e4 LT |
1581 | |
1582 | nsp_dbg(NSP_DEBUG_INIT, "link=0x%p", link); | |
15b99ac1 | 1583 | return ret; |
1da177e4 LT |
1584 | } /* nsp_cs_attach */ |
1585 | ||
1586 | ||
1587 | /*====================================================================== | |
1588 | This deletes a driver "instance". The device is de-registered | |
1589 | with Card Services. If it has been released, all local data | |
1590 | structures are freed. Otherwise, the structures will be freed | |
1591 | when the device is released. | |
1592 | ======================================================================*/ | |
fba395ee | 1593 | static void nsp_cs_detach(struct pcmcia_device *link) |
1da177e4 | 1594 | { |
1da177e4 LT |
1595 | nsp_dbg(NSP_DEBUG_INIT, "in, link=0x%p", link); |
1596 | ||
e2d40963 DB |
1597 | ((scsi_info_t *)link->priv)->stop = 1; |
1598 | nsp_cs_release(link); | |
1da177e4 | 1599 | |
1da177e4 LT |
1600 | kfree(link->priv); |
1601 | link->priv = NULL; | |
1da177e4 LT |
1602 | } /* nsp_cs_detach */ |
1603 | ||
1604 | ||
1605 | /*====================================================================== | |
1606 | nsp_cs_config() is scheduled to run after a CARD_INSERTION event | |
1607 | is received, to configure the PCMCIA socket, and to make the | |
1608 | ethernet device available to the system. | |
1609 | ======================================================================*/ | |
1610 | #define CS_CHECK(fn, ret) \ | |
1611 | do { last_fn = (fn); if ((last_ret = (ret)) != 0) goto cs_failed; } while (0) | |
1612 | /*====================================================================*/ | |
15b99ac1 | 1613 | static int nsp_cs_config(struct pcmcia_device *link) |
1da177e4 | 1614 | { |
15b99ac1 | 1615 | int ret; |
1da177e4 LT |
1616 | scsi_info_t *info = link->priv; |
1617 | tuple_t tuple; | |
1618 | cisparse_t parse; | |
1619 | int last_ret, last_fn; | |
1620 | unsigned char tuple_data[64]; | |
1621 | config_info_t conf; | |
1622 | win_req_t req; | |
1623 | memreq_t map; | |
1624 | cistpl_cftable_entry_t dflt = { 0 }; | |
1625 | struct Scsi_Host *host; | |
1626 | nsp_hw_data *data = &nsp_data_base; | |
1da177e4 LT |
1627 | |
1628 | nsp_dbg(NSP_DEBUG_INIT, "in"); | |
1629 | ||
1da177e4 LT |
1630 | tuple.Attributes = 0; |
1631 | tuple.TupleData = tuple_data; | |
1632 | tuple.TupleDataMax = sizeof(tuple_data); | |
1633 | tuple.TupleOffset = 0; | |
1da177e4 | 1634 | |
1da177e4 | 1635 | /* Look up the current Vcc */ |
fba395ee | 1636 | CS_CHECK(GetConfigurationInfo, pcmcia_get_configuration_info(link, &conf)); |
1da177e4 LT |
1637 | |
1638 | tuple.DesiredTuple = CISTPL_CFTABLE_ENTRY; | |
fba395ee | 1639 | CS_CHECK(GetFirstTuple, pcmcia_get_first_tuple(link, &tuple)); |
1da177e4 LT |
1640 | while (1) { |
1641 | cistpl_cftable_entry_t *cfg = &(parse.cftable_entry); | |
1642 | ||
fba395ee DB |
1643 | if (pcmcia_get_tuple_data(link, &tuple) != 0 || |
1644 | pcmcia_parse_tuple(link, &tuple, &parse) != 0) | |
1da177e4 LT |
1645 | goto next_entry; |
1646 | ||
1647 | if (cfg->flags & CISTPL_CFTABLE_DEFAULT) { dflt = *cfg; } | |
1648 | if (cfg->index == 0) { goto next_entry; } | |
1649 | link->conf.ConfigIndex = cfg->index; | |
1650 | ||
1651 | /* Does this card need audio output? */ | |
1652 | if (cfg->flags & CISTPL_CFTABLE_AUDIO) { | |
1653 | link->conf.Attributes |= CONF_ENABLE_SPKR; | |
1654 | link->conf.Status = CCSR_AUDIO_ENA; | |
1655 | } | |
1656 | ||
1657 | /* Use power settings for Vcc and Vpp if present */ | |
1658 | /* Note that the CIS values need to be rescaled */ | |
1659 | if (cfg->vcc.present & (1<<CISTPL_POWER_VNOM)) { | |
1660 | if (conf.Vcc != cfg->vcc.param[CISTPL_POWER_VNOM]/10000) { | |
1661 | goto next_entry; | |
1662 | } | |
1663 | } else if (dflt.vcc.present & (1<<CISTPL_POWER_VNOM)) { | |
1664 | if (conf.Vcc != dflt.vcc.param[CISTPL_POWER_VNOM]/10000) { | |
1665 | goto next_entry; | |
1666 | } | |
1667 | } | |
1668 | ||
1669 | if (cfg->vpp1.present & (1 << CISTPL_POWER_VNOM)) { | |
70294b46 | 1670 | link->conf.Vpp = |
1da177e4 LT |
1671 | cfg->vpp1.param[CISTPL_POWER_VNOM] / 10000; |
1672 | } else if (dflt.vpp1.present & (1 << CISTPL_POWER_VNOM)) { | |
70294b46 | 1673 | link->conf.Vpp = |
1da177e4 LT |
1674 | dflt.vpp1.param[CISTPL_POWER_VNOM] / 10000; |
1675 | } | |
1676 | ||
1677 | /* Do we need to allocate an interrupt? */ | |
1678 | if (cfg->irq.IRQInfo1 || dflt.irq.IRQInfo1) { | |
1679 | link->conf.Attributes |= CONF_ENABLE_IRQ; | |
1680 | } | |
1681 | ||
1682 | /* IO window settings */ | |
1683 | link->io.NumPorts1 = link->io.NumPorts2 = 0; | |
1684 | if ((cfg->io.nwin > 0) || (dflt.io.nwin > 0)) { | |
1685 | cistpl_io_t *io = (cfg->io.nwin) ? &cfg->io : &dflt.io; | |
1686 | link->io.Attributes1 = IO_DATA_PATH_WIDTH_AUTO; | |
1687 | if (!(io->flags & CISTPL_IO_8BIT)) | |
1688 | link->io.Attributes1 = IO_DATA_PATH_WIDTH_16; | |
1689 | if (!(io->flags & CISTPL_IO_16BIT)) | |
1690 | link->io.Attributes1 = IO_DATA_PATH_WIDTH_8; | |
1691 | link->io.IOAddrLines = io->flags & CISTPL_IO_LINES_MASK; | |
1692 | link->io.BasePort1 = io->win[0].base; | |
1693 | link->io.NumPorts1 = io->win[0].len; | |
1694 | if (io->nwin > 1) { | |
1695 | link->io.Attributes2 = link->io.Attributes1; | |
1696 | link->io.BasePort2 = io->win[1].base; | |
1697 | link->io.NumPorts2 = io->win[1].len; | |
1698 | } | |
1699 | /* This reserves IO space but doesn't actually enable it */ | |
fba395ee | 1700 | if (pcmcia_request_io(link, &link->io) != 0) |
1da177e4 LT |
1701 | goto next_entry; |
1702 | } | |
1703 | ||
1704 | if ((cfg->mem.nwin > 0) || (dflt.mem.nwin > 0)) { | |
1705 | cistpl_mem_t *mem = | |
1706 | (cfg->mem.nwin) ? &cfg->mem : &dflt.mem; | |
1707 | req.Attributes = WIN_DATA_WIDTH_16|WIN_MEMORY_TYPE_CM; | |
1708 | req.Attributes |= WIN_ENABLE; | |
1709 | req.Base = mem->win[0].host_addr; | |
1710 | req.Size = mem->win[0].len; | |
1711 | if (req.Size < 0x1000) { | |
1712 | req.Size = 0x1000; | |
1713 | } | |
1714 | req.AccessSpeed = 0; | |
fba395ee | 1715 | if (pcmcia_request_window(&link, &req, &link->win) != 0) |
1da177e4 LT |
1716 | goto next_entry; |
1717 | map.Page = 0; map.CardOffset = mem->win[0].card_addr; | |
1718 | if (pcmcia_map_mem_page(link->win, &map) != 0) | |
1719 | goto next_entry; | |
1720 | ||
1721 | data->MmioAddress = (unsigned long)ioremap_nocache(req.Base, req.Size); | |
1722 | data->MmioLength = req.Size; | |
1723 | } | |
1724 | /* If we got this far, we're cool! */ | |
1725 | break; | |
1726 | ||
1727 | next_entry: | |
1728 | nsp_dbg(NSP_DEBUG_INIT, "next"); | |
fba395ee DB |
1729 | pcmcia_disable_device(link); |
1730 | CS_CHECK(GetNextTuple, pcmcia_get_next_tuple(link, &tuple)); | |
1da177e4 LT |
1731 | } |
1732 | ||
1733 | if (link->conf.Attributes & CONF_ENABLE_IRQ) { | |
fba395ee | 1734 | CS_CHECK(RequestIRQ, pcmcia_request_irq(link, &link->irq)); |
1da177e4 | 1735 | } |
fba395ee | 1736 | CS_CHECK(RequestConfiguration, pcmcia_request_configuration(link, &link->conf)); |
1da177e4 LT |
1737 | |
1738 | if (free_ports) { | |
1739 | if (link->io.BasePort1) { | |
1740 | release_region(link->io.BasePort1, link->io.NumPorts1); | |
1741 | } | |
1742 | if (link->io.BasePort2) { | |
1743 | release_region(link->io.BasePort2, link->io.NumPorts2); | |
1744 | } | |
1745 | } | |
1746 | ||
1747 | /* Set port and IRQ */ | |
1748 | data->BaseAddress = link->io.BasePort1; | |
1749 | data->NumAddress = link->io.NumPorts1; | |
1750 | data->IrqNumber = link->irq.AssignedIRQ; | |
1751 | ||
1752 | nsp_dbg(NSP_DEBUG_INIT, "I/O[0x%x+0x%x] IRQ %d", | |
1753 | data->BaseAddress, data->NumAddress, data->IrqNumber); | |
1754 | ||
1755 | if(nsphw_init(data) == FALSE) { | |
1756 | goto cs_failed; | |
1757 | } | |
1758 | ||
1da177e4 | 1759 | host = nsp_detect(&nsp_driver_template); |
1da177e4 LT |
1760 | |
1761 | if (host == NULL) { | |
1762 | nsp_dbg(NSP_DEBUG_INIT, "detect failed"); | |
1763 | goto cs_failed; | |
1764 | } | |
1765 | ||
1766 | ||
15b99ac1 DB |
1767 | ret = scsi_add_host (host, NULL); |
1768 | if (ret) | |
1769 | goto cs_failed; | |
1770 | ||
1da177e4 LT |
1771 | scsi_scan_host(host); |
1772 | ||
1773 | snprintf(info->node.dev_name, sizeof(info->node.dev_name), "scsi%d", host->host_no); | |
fd238232 | 1774 | link->dev_node = &info->node; |
1da177e4 LT |
1775 | info->host = host; |
1776 | ||
1da177e4 | 1777 | /* Finally, report what we've done */ |
70294b46 DB |
1778 | printk(KERN_INFO "nsp_cs: index 0x%02x: ", |
1779 | link->conf.ConfigIndex); | |
1780 | if (link->conf.Vpp) { | |
1781 | printk(", Vpp %d.%d", link->conf.Vpp/10, link->conf.Vpp%10); | |
1da177e4 LT |
1782 | } |
1783 | if (link->conf.Attributes & CONF_ENABLE_IRQ) { | |
1784 | printk(", irq %d", link->irq.AssignedIRQ); | |
1785 | } | |
1786 | if (link->io.NumPorts1) { | |
1787 | printk(", io 0x%04x-0x%04x", link->io.BasePort1, | |
1788 | link->io.BasePort1+link->io.NumPorts1-1); | |
1789 | } | |
1790 | if (link->io.NumPorts2) | |
1791 | printk(" & 0x%04x-0x%04x", link->io.BasePort2, | |
1792 | link->io.BasePort2+link->io.NumPorts2-1); | |
1793 | if (link->win) | |
1794 | printk(", mem 0x%06lx-0x%06lx", req.Base, | |
1795 | req.Base+req.Size-1); | |
1796 | printk("\n"); | |
1797 | ||
15b99ac1 | 1798 | return 0; |
1da177e4 LT |
1799 | |
1800 | cs_failed: | |
1801 | nsp_dbg(NSP_DEBUG_INIT, "config fail"); | |
fba395ee | 1802 | cs_error(link, last_fn, last_ret); |
1da177e4 LT |
1803 | nsp_cs_release(link); |
1804 | ||
15b99ac1 | 1805 | return -ENODEV; |
1da177e4 LT |
1806 | } /* nsp_cs_config */ |
1807 | #undef CS_CHECK | |
1808 | ||
1809 | ||
1810 | /*====================================================================== | |
1811 | After a card is removed, nsp_cs_release() will unregister the net | |
1812 | device, and release the PCMCIA configuration. If the device is | |
1813 | still open, this will be postponed until it is closed. | |
1814 | ======================================================================*/ | |
fba395ee | 1815 | static void nsp_cs_release(struct pcmcia_device *link) |
1da177e4 LT |
1816 | { |
1817 | scsi_info_t *info = link->priv; | |
1818 | nsp_hw_data *data = NULL; | |
1819 | ||
1820 | if (info->host == NULL) { | |
1821 | nsp_msg(KERN_DEBUG, "unexpected card release call."); | |
1822 | } else { | |
1823 | data = (nsp_hw_data *)info->host->hostdata; | |
1824 | } | |
1825 | ||
1826 | nsp_dbg(NSP_DEBUG_INIT, "link=0x%p", link); | |
1827 | ||
1828 | /* Unlink the device chain */ | |
1da177e4 LT |
1829 | if (info->host != NULL) { |
1830 | scsi_remove_host(info->host); | |
1831 | } | |
fd238232 | 1832 | link->dev_node = NULL; |
1da177e4 LT |
1833 | |
1834 | if (link->win) { | |
1835 | if (data != NULL) { | |
1836 | iounmap((void *)(data->MmioAddress)); | |
1837 | } | |
1da177e4 | 1838 | } |
fba395ee | 1839 | pcmcia_disable_device(link); |
5f2a71fc | 1840 | |
1da177e4 LT |
1841 | if (info->host != NULL) { |
1842 | scsi_host_put(info->host); | |
1843 | } | |
1da177e4 LT |
1844 | } /* nsp_cs_release */ |
1845 | ||
fba395ee | 1846 | static int nsp_cs_suspend(struct pcmcia_device *link) |
98e4c28b | 1847 | { |
98e4c28b DB |
1848 | scsi_info_t *info = link->priv; |
1849 | nsp_hw_data *data; | |
1850 | ||
98e4c28b DB |
1851 | nsp_dbg(NSP_DEBUG_INIT, "event: suspend"); |
1852 | ||
1853 | if (info->host != NULL) { | |
1854 | nsp_msg(KERN_INFO, "clear SDTR status"); | |
1855 | ||
1856 | data = (nsp_hw_data *)info->host->hostdata; | |
1857 | ||
1858 | nsphw_init_sync(data); | |
1859 | } | |
1860 | ||
1861 | info->stop = 1; | |
1862 | ||
98e4c28b DB |
1863 | return 0; |
1864 | } | |
1865 | ||
fba395ee | 1866 | static int nsp_cs_resume(struct pcmcia_device *link) |
98e4c28b | 1867 | { |
98e4c28b DB |
1868 | scsi_info_t *info = link->priv; |
1869 | nsp_hw_data *data; | |
1870 | ||
1871 | nsp_dbg(NSP_DEBUG_INIT, "event: resume"); | |
1872 | ||
98e4c28b DB |
1873 | info->stop = 0; |
1874 | ||
1875 | if (info->host != NULL) { | |
1876 | nsp_msg(KERN_INFO, "reset host and bus"); | |
1877 | ||
1878 | data = (nsp_hw_data *)info->host->hostdata; | |
1879 | ||
1880 | nsphw_init (data); | |
1881 | nsp_bus_reset(data); | |
1882 | } | |
1883 | ||
1884 | return 0; | |
1885 | } | |
1886 | ||
1da177e4 LT |
1887 | /*======================================================================* |
1888 | * module entry point | |
1889 | *====================================================================*/ | |
aba14100 DB |
1890 | static struct pcmcia_device_id nsp_cs_ids[] = { |
1891 | PCMCIA_DEVICE_PROD_ID123("IO DATA", "CBSC16 ", "1", 0x547e66dc, 0x0d63a3fd, 0x51de003a), | |
1892 | PCMCIA_DEVICE_PROD_ID123("KME ", "SCSI-CARD-001", "1", 0x534c02bc, 0x52008408, 0x51de003a), | |
1893 | PCMCIA_DEVICE_PROD_ID123("KME ", "SCSI-CARD-002", "1", 0x534c02bc, 0xcb09d5b2, 0x51de003a), | |
1894 | PCMCIA_DEVICE_PROD_ID123("KME ", "SCSI-CARD-003", "1", 0x534c02bc, 0xbc0ee524, 0x51de003a), | |
1895 | PCMCIA_DEVICE_PROD_ID123("KME ", "SCSI-CARD-004", "1", 0x534c02bc, 0x226a7087, 0x51de003a), | |
1896 | PCMCIA_DEVICE_PROD_ID123("WBT", "NinjaSCSI-3", "R1.0", 0xc7ba805f, 0xfdc7c97d, 0x6973710e), | |
1897 | PCMCIA_DEVICE_PROD_ID123("WORKBIT", "UltraNinja-16", "1", 0x28191418, 0xb70f4b09, 0x51de003a), | |
1898 | PCMCIA_DEVICE_NULL | |
1899 | }; | |
1900 | MODULE_DEVICE_TABLE(pcmcia, nsp_cs_ids); | |
1901 | ||
1da177e4 | 1902 | static struct pcmcia_driver nsp_driver = { |
1e212f36 DB |
1903 | .owner = THIS_MODULE, |
1904 | .drv = { | |
1905 | .name = "nsp_cs", | |
1da177e4 | 1906 | }, |
15b99ac1 | 1907 | .probe = nsp_cs_probe, |
cc3b4866 | 1908 | .remove = nsp_cs_detach, |
aba14100 | 1909 | .id_table = nsp_cs_ids, |
98e4c28b DB |
1910 | .suspend = nsp_cs_suspend, |
1911 | .resume = nsp_cs_resume, | |
1da177e4 | 1912 | }; |
1da177e4 LT |
1913 | |
1914 | static int __init nsp_cs_init(void) | |
1915 | { | |
1da177e4 LT |
1916 | nsp_msg(KERN_INFO, "loading..."); |
1917 | ||
1918 | return pcmcia_register_driver(&nsp_driver); | |
1da177e4 LT |
1919 | } |
1920 | ||
1921 | static void __exit nsp_cs_exit(void) | |
1922 | { | |
1923 | nsp_msg(KERN_INFO, "unloading..."); | |
1da177e4 | 1924 | pcmcia_unregister_driver(&nsp_driver); |
1da177e4 LT |
1925 | } |
1926 | ||
1927 | ||
1928 | module_init(nsp_cs_init) | |
1929 | module_exit(nsp_cs_exit) | |
1930 | ||
1931 | /* end */ |