Commit | Line | Data |
---|---|---|
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 | ||
83 | /* /usr/src/linux/drivers/scsi/hosts.h */ | |
84 | static Scsi_Host_Template nsp_driver_template = { | |
85 | .proc_name = "nsp_cs", | |
86 | .proc_info = nsp_proc_info, | |
87 | .name = "WorkBit NinjaSCSI-3/32Bi(16bit)", | |
88 | #if (LINUX_VERSION_CODE < KERNEL_VERSION(2,5,0)) | |
89 | .detect = nsp_detect_old, | |
90 | .release = nsp_release_old, | |
91 | #endif | |
92 | .info = nsp_info, | |
93 | .queuecommand = nsp_queuecommand, | |
1da177e4 | 94 | /* .eh_abort_handler = nsp_eh_abort,*/ |
1da177e4 LT |
95 | .eh_bus_reset_handler = nsp_eh_bus_reset, |
96 | .eh_host_reset_handler = nsp_eh_host_reset, | |
97 | .can_queue = 1, | |
98 | .this_id = NSP_INITIATOR_ID, | |
99 | .sg_tablesize = SG_ALL, | |
100 | .cmd_per_lun = 1, | |
101 | .use_clustering = DISABLE_CLUSTERING, | |
102 | #if (LINUX_VERSION_CODE < KERNEL_VERSION(2,5,2)) | |
103 | .use_new_eh_code = 1, | |
104 | #endif | |
105 | }; | |
106 | ||
107 | static dev_link_t *dev_list = NULL; | |
108 | static dev_info_t dev_info = {"nsp_cs"}; | |
109 | ||
110 | static nsp_hw_data nsp_data_base; /* attach <-> detect glue */ | |
111 | ||
112 | ||
113 | ||
114 | /* | |
115 | * debug, error print | |
116 | */ | |
117 | #ifndef NSP_DEBUG | |
118 | # define NSP_DEBUG_MASK 0x000000 | |
119 | # define nsp_msg(type, args...) nsp_cs_message("", 0, (type), args) | |
120 | # define nsp_dbg(mask, args...) /* */ | |
121 | #else | |
122 | # define NSP_DEBUG_MASK 0xffffff | |
123 | # define nsp_msg(type, args...) \ | |
124 | nsp_cs_message (__FUNCTION__, __LINE__, (type), args) | |
125 | # define nsp_dbg(mask, args...) \ | |
126 | nsp_cs_dmessage(__FUNCTION__, __LINE__, (mask), args) | |
127 | #endif | |
128 | ||
129 | #define NSP_DEBUG_QUEUECOMMAND BIT(0) | |
130 | #define NSP_DEBUG_REGISTER BIT(1) | |
131 | #define NSP_DEBUG_AUTOSCSI BIT(2) | |
132 | #define NSP_DEBUG_INTR BIT(3) | |
133 | #define NSP_DEBUG_SGLIST BIT(4) | |
134 | #define NSP_DEBUG_BUSFREE BIT(5) | |
135 | #define NSP_DEBUG_CDB_CONTENTS BIT(6) | |
136 | #define NSP_DEBUG_RESELECTION BIT(7) | |
137 | #define NSP_DEBUG_MSGINOCCUR BIT(8) | |
138 | #define NSP_DEBUG_EEPROM BIT(9) | |
139 | #define NSP_DEBUG_MSGOUTOCCUR BIT(10) | |
140 | #define NSP_DEBUG_BUSRESET BIT(11) | |
141 | #define NSP_DEBUG_RESTART BIT(12) | |
142 | #define NSP_DEBUG_SYNC BIT(13) | |
143 | #define NSP_DEBUG_WAIT BIT(14) | |
144 | #define NSP_DEBUG_TARGETFLAG BIT(15) | |
145 | #define NSP_DEBUG_PROC BIT(16) | |
146 | #define NSP_DEBUG_INIT BIT(17) | |
147 | #define NSP_DEBUG_DATA_IO BIT(18) | |
148 | #define NSP_SPECIAL_PRINT_REGISTER BIT(20) | |
149 | ||
150 | #define NSP_DEBUG_BUF_LEN 150 | |
151 | ||
152 | static void nsp_cs_message(const char *func, int line, char *type, char *fmt, ...) | |
153 | { | |
154 | va_list args; | |
155 | char buf[NSP_DEBUG_BUF_LEN]; | |
156 | ||
157 | va_start(args, fmt); | |
158 | vsnprintf(buf, sizeof(buf), fmt, args); | |
159 | va_end(args); | |
160 | ||
161 | #ifndef NSP_DEBUG | |
162 | printk("%snsp_cs: %s\n", type, buf); | |
163 | #else | |
164 | printk("%snsp_cs: %s (%d): %s\n", type, func, line, buf); | |
165 | #endif | |
166 | } | |
167 | ||
168 | #ifdef NSP_DEBUG | |
169 | static void nsp_cs_dmessage(const char *func, int line, int mask, char *fmt, ...) | |
170 | { | |
171 | va_list args; | |
172 | char buf[NSP_DEBUG_BUF_LEN]; | |
173 | ||
174 | va_start(args, fmt); | |
175 | vsnprintf(buf, sizeof(buf), fmt, args); | |
176 | va_end(args); | |
177 | ||
178 | if (mask & NSP_DEBUG_MASK) { | |
179 | printk("nsp_cs-debug: 0x%x %s (%d): %s\n", mask, func, line, buf); | |
180 | } | |
181 | } | |
182 | #endif | |
183 | ||
184 | /***********************************************************/ | |
185 | ||
186 | /*==================================================== | |
187 | * Clenaup parameters and call done() functions. | |
188 | * You must be set SCpnt->result before call this function. | |
189 | */ | |
190 | static void nsp_scsi_done(Scsi_Cmnd *SCpnt) | |
191 | { | |
192 | nsp_hw_data *data = (nsp_hw_data *)SCpnt->device->host->hostdata; | |
193 | ||
194 | data->CurrentSC = NULL; | |
195 | ||
196 | SCpnt->scsi_done(SCpnt); | |
197 | } | |
198 | ||
199 | static int nsp_queuecommand(Scsi_Cmnd *SCpnt, void (*done)(Scsi_Cmnd *)) | |
200 | { | |
201 | #ifdef NSP_DEBUG | |
202 | /*unsigned int host_id = SCpnt->device->host->this_id;*/ | |
203 | /*unsigned int base = SCpnt->device->host->io_port;*/ | |
422c0d61 | 204 | unsigned char target = scmd_id(SCpnt); |
1da177e4 LT |
205 | #endif |
206 | nsp_hw_data *data = (nsp_hw_data *)SCpnt->device->host->hostdata; | |
207 | ||
208 | nsp_dbg(NSP_DEBUG_QUEUECOMMAND, "SCpnt=0x%p target=%d lun=%d buff=0x%p bufflen=%d use_sg=%d", | |
209 | SCpnt, target, SCpnt->device->lun, SCpnt->request_buffer, SCpnt->request_bufflen, SCpnt->use_sg); | |
210 | //nsp_dbg(NSP_DEBUG_QUEUECOMMAND, "before CurrentSC=0x%p", data->CurrentSC); | |
211 | ||
212 | SCpnt->scsi_done = done; | |
213 | ||
214 | if (data->CurrentSC != NULL) { | |
215 | nsp_msg(KERN_DEBUG, "CurrentSC!=NULL this can't be happen"); | |
216 | SCpnt->result = DID_BAD_TARGET << 16; | |
217 | nsp_scsi_done(SCpnt); | |
218 | return 0; | |
219 | } | |
220 | ||
221 | #if 0 | |
222 | /* XXX: pcmcia-cs generates SCSI command with "scsi_info" utility. | |
223 | This makes kernel crash when suspending... */ | |
224 | if (data->ScsiInfo->stop != 0) { | |
225 | nsp_msg(KERN_INFO, "suspending device. reject command."); | |
226 | SCpnt->result = DID_BAD_TARGET << 16; | |
227 | nsp_scsi_done(SCpnt); | |
228 | return SCSI_MLQUEUE_HOST_BUSY; | |
229 | } | |
230 | #endif | |
231 | ||
232 | show_command(SCpnt); | |
233 | ||
234 | data->CurrentSC = SCpnt; | |
235 | ||
236 | SCpnt->SCp.Status = CHECK_CONDITION; | |
237 | SCpnt->SCp.Message = 0; | |
238 | SCpnt->SCp.have_data_in = IO_UNKNOWN; | |
239 | SCpnt->SCp.sent_command = 0; | |
240 | SCpnt->SCp.phase = PH_UNDETERMINED; | |
241 | SCpnt->resid = SCpnt->request_bufflen; | |
242 | ||
243 | /* setup scratch area | |
244 | SCp.ptr : buffer pointer | |
245 | SCp.this_residual : buffer length | |
246 | SCp.buffer : next buffer | |
247 | SCp.buffers_residual : left buffers in list | |
248 | SCp.phase : current state of the command */ | |
249 | if (SCpnt->use_sg) { | |
250 | SCpnt->SCp.buffer = (struct scatterlist *) SCpnt->request_buffer; | |
251 | SCpnt->SCp.ptr = BUFFER_ADDR; | |
252 | SCpnt->SCp.this_residual = SCpnt->SCp.buffer->length; | |
253 | SCpnt->SCp.buffers_residual = SCpnt->use_sg - 1; | |
254 | } else { | |
255 | SCpnt->SCp.ptr = (char *) SCpnt->request_buffer; | |
256 | SCpnt->SCp.this_residual = SCpnt->request_bufflen; | |
257 | SCpnt->SCp.buffer = NULL; | |
258 | SCpnt->SCp.buffers_residual = 0; | |
259 | } | |
260 | ||
261 | if (nsphw_start_selection(SCpnt) == FALSE) { | |
262 | nsp_dbg(NSP_DEBUG_QUEUECOMMAND, "selection fail"); | |
263 | SCpnt->result = DID_BUS_BUSY << 16; | |
264 | nsp_scsi_done(SCpnt); | |
265 | return 0; | |
266 | } | |
267 | ||
268 | ||
269 | //nsp_dbg(NSP_DEBUG_QUEUECOMMAND, "out"); | |
270 | #ifdef NSP_DEBUG | |
271 | data->CmdId++; | |
272 | #endif | |
273 | return 0; | |
274 | } | |
275 | ||
276 | /* | |
277 | * setup PIO FIFO transfer mode and enable/disable to data out | |
278 | */ | |
279 | static void nsp_setup_fifo(nsp_hw_data *data, int enabled) | |
280 | { | |
281 | unsigned int base = data->BaseAddress; | |
282 | unsigned char transfer_mode_reg; | |
283 | ||
284 | //nsp_dbg(NSP_DEBUG_DATA_IO, "enabled=%d", enabled); | |
285 | ||
286 | if (enabled != FALSE) { | |
287 | transfer_mode_reg = TRANSFER_GO | BRAIND; | |
288 | } else { | |
289 | transfer_mode_reg = 0; | |
290 | } | |
291 | ||
292 | transfer_mode_reg |= data->TransferMode; | |
293 | ||
294 | nsp_index_write(base, TRANSFERMODE, transfer_mode_reg); | |
295 | } | |
296 | ||
297 | static void nsphw_init_sync(nsp_hw_data *data) | |
298 | { | |
299 | sync_data tmp_sync = { .SyncNegotiation = SYNC_NOT_YET, | |
300 | .SyncPeriod = 0, | |
301 | .SyncOffset = 0 | |
302 | }; | |
303 | int i; | |
304 | ||
305 | /* setup sync data */ | |
306 | for ( i = 0; i < ARRAY_SIZE(data->Sync); i++ ) { | |
307 | data->Sync[i] = tmp_sync; | |
308 | } | |
309 | } | |
310 | ||
311 | /* | |
312 | * Initialize Ninja hardware | |
313 | */ | |
314 | static int nsphw_init(nsp_hw_data *data) | |
315 | { | |
316 | unsigned int base = data->BaseAddress; | |
317 | ||
318 | nsp_dbg(NSP_DEBUG_INIT, "in base=0x%x", base); | |
319 | ||
320 | data->ScsiClockDiv = CLOCK_40M | FAST_20; | |
321 | data->CurrentSC = NULL; | |
322 | data->FifoCount = 0; | |
323 | data->TransferMode = MODE_IO8; | |
324 | ||
325 | nsphw_init_sync(data); | |
326 | ||
327 | /* block all interrupts */ | |
328 | nsp_write(base, IRQCONTROL, IRQCONTROL_ALLMASK); | |
329 | ||
330 | /* setup SCSI interface */ | |
331 | nsp_write(base, IFSELECT, IF_IFSEL); | |
332 | ||
333 | nsp_index_write(base, SCSIIRQMODE, 0); | |
334 | ||
335 | nsp_index_write(base, TRANSFERMODE, MODE_IO8); | |
336 | nsp_index_write(base, CLOCKDIV, data->ScsiClockDiv); | |
337 | ||
338 | nsp_index_write(base, PARITYCTRL, 0); | |
339 | nsp_index_write(base, POINTERCLR, POINTER_CLEAR | | |
340 | ACK_COUNTER_CLEAR | | |
341 | REQ_COUNTER_CLEAR | | |
342 | HOST_COUNTER_CLEAR); | |
343 | ||
344 | /* setup fifo asic */ | |
345 | nsp_write(base, IFSELECT, IF_REGSEL); | |
346 | nsp_index_write(base, TERMPWRCTRL, 0); | |
347 | if ((nsp_index_read(base, OTHERCONTROL) & TPWR_SENSE) == 0) { | |
348 | nsp_msg(KERN_INFO, "terminator power on"); | |
349 | nsp_index_write(base, TERMPWRCTRL, POWER_ON); | |
350 | } | |
351 | ||
352 | nsp_index_write(base, TIMERCOUNT, 0); | |
353 | nsp_index_write(base, TIMERCOUNT, 0); /* requires 2 times!! */ | |
354 | ||
355 | nsp_index_write(base, SYNCREG, 0); | |
356 | nsp_index_write(base, ACKWIDTH, 0); | |
357 | ||
358 | /* enable interrupts and ack them */ | |
359 | nsp_index_write(base, SCSIIRQMODE, SCSI_PHASE_CHANGE_EI | | |
360 | RESELECT_EI | | |
361 | SCSI_RESET_IRQ_EI ); | |
362 | nsp_write(base, IRQCONTROL, IRQCONTROL_ALLCLEAR); | |
363 | ||
364 | nsp_setup_fifo(data, FALSE); | |
365 | ||
366 | return TRUE; | |
367 | } | |
368 | ||
369 | /* | |
370 | * Start selection phase | |
371 | */ | |
372 | static int nsphw_start_selection(Scsi_Cmnd *SCpnt) | |
373 | { | |
374 | unsigned int host_id = SCpnt->device->host->this_id; | |
375 | unsigned int base = SCpnt->device->host->io_port; | |
422c0d61 | 376 | unsigned char target = scmd_id(SCpnt); |
1da177e4 LT |
377 | nsp_hw_data *data = (nsp_hw_data *)SCpnt->device->host->hostdata; |
378 | int time_out; | |
379 | unsigned char phase, arbit; | |
380 | ||
381 | //nsp_dbg(NSP_DEBUG_RESELECTION, "in"); | |
382 | ||
383 | phase = nsp_index_read(base, SCSIBUSMON); | |
384 | if(phase != BUSMON_BUS_FREE) { | |
385 | //nsp_dbg(NSP_DEBUG_RESELECTION, "bus busy"); | |
386 | return FALSE; | |
387 | } | |
388 | ||
389 | /* start arbitration */ | |
390 | //nsp_dbg(NSP_DEBUG_RESELECTION, "start arbit"); | |
391 | SCpnt->SCp.phase = PH_ARBSTART; | |
392 | nsp_index_write(base, SETARBIT, ARBIT_GO); | |
393 | ||
394 | time_out = 1000; | |
395 | do { | |
396 | /* XXX: what a stupid chip! */ | |
397 | arbit = nsp_index_read(base, ARBITSTATUS); | |
398 | //nsp_dbg(NSP_DEBUG_RESELECTION, "arbit=%d, wait_count=%d", arbit, wait_count); | |
399 | udelay(1); /* hold 1.2us */ | |
400 | } while((arbit & (ARBIT_WIN | ARBIT_FAIL)) == 0 && | |
401 | (time_out-- != 0)); | |
402 | ||
403 | if (!(arbit & ARBIT_WIN)) { | |
404 | //nsp_dbg(NSP_DEBUG_RESELECTION, "arbit fail"); | |
405 | nsp_index_write(base, SETARBIT, ARBIT_FLAG_CLEAR); | |
406 | return FALSE; | |
407 | } | |
408 | ||
409 | /* assert select line */ | |
410 | //nsp_dbg(NSP_DEBUG_RESELECTION, "assert SEL line"); | |
411 | SCpnt->SCp.phase = PH_SELSTART; | |
412 | udelay(3); /* wait 2.4us */ | |
413 | nsp_index_write(base, SCSIDATALATCH, BIT(host_id) | BIT(target)); | |
414 | nsp_index_write(base, SCSIBUSCTRL, SCSI_SEL | SCSI_BSY | SCSI_ATN); | |
415 | udelay(2); /* wait >1.2us */ | |
416 | nsp_index_write(base, SCSIBUSCTRL, SCSI_SEL | SCSI_BSY | SCSI_DATAOUT_ENB | SCSI_ATN); | |
417 | nsp_index_write(base, SETARBIT, ARBIT_FLAG_CLEAR); | |
418 | /*udelay(1);*/ /* wait >90ns */ | |
419 | nsp_index_write(base, SCSIBUSCTRL, SCSI_SEL | SCSI_DATAOUT_ENB | SCSI_ATN); | |
420 | ||
421 | /* check selection timeout */ | |
422 | nsp_start_timer(SCpnt, 1000/51); | |
423 | data->SelectionTimeOut = 1; | |
424 | ||
425 | return TRUE; | |
426 | } | |
427 | ||
428 | struct nsp_sync_table { | |
429 | unsigned int min_period; | |
430 | unsigned int max_period; | |
431 | unsigned int chip_period; | |
432 | unsigned int ack_width; | |
433 | }; | |
434 | ||
435 | static struct nsp_sync_table nsp_sync_table_40M[] = { | |
436 | {0x0c, 0x0c, 0x1, 0}, /* 20MB 50ns*/ | |
437 | {0x19, 0x19, 0x3, 1}, /* 10MB 100ns*/ | |
438 | {0x1a, 0x25, 0x5, 2}, /* 7.5MB 150ns*/ | |
439 | {0x26, 0x32, 0x7, 3}, /* 5MB 200ns*/ | |
440 | { 0, 0, 0, 0}, | |
441 | }; | |
442 | ||
443 | static struct nsp_sync_table nsp_sync_table_20M[] = { | |
444 | {0x19, 0x19, 0x1, 0}, /* 10MB 100ns*/ | |
445 | {0x1a, 0x25, 0x2, 0}, /* 7.5MB 150ns*/ | |
446 | {0x26, 0x32, 0x3, 1}, /* 5MB 200ns*/ | |
447 | { 0, 0, 0, 0}, | |
448 | }; | |
449 | ||
450 | /* | |
451 | * setup synchronous data transfer mode | |
452 | */ | |
453 | static int nsp_analyze_sdtr(Scsi_Cmnd *SCpnt) | |
454 | { | |
422c0d61 | 455 | unsigned char target = scmd_id(SCpnt); |
1da177e4 LT |
456 | // unsigned char lun = SCpnt->device->lun; |
457 | nsp_hw_data *data = (nsp_hw_data *)SCpnt->device->host->hostdata; | |
458 | sync_data *sync = &(data->Sync[target]); | |
459 | struct nsp_sync_table *sync_table; | |
460 | unsigned int period, offset; | |
461 | int i; | |
462 | ||
463 | ||
464 | nsp_dbg(NSP_DEBUG_SYNC, "in"); | |
465 | ||
466 | period = sync->SyncPeriod; | |
467 | offset = sync->SyncOffset; | |
468 | ||
469 | nsp_dbg(NSP_DEBUG_SYNC, "period=0x%x, offset=0x%x", period, offset); | |
470 | ||
471 | if ((data->ScsiClockDiv & (BIT(0)|BIT(1))) == CLOCK_20M) { | |
472 | sync_table = nsp_sync_table_20M; | |
473 | } else { | |
474 | sync_table = nsp_sync_table_40M; | |
475 | } | |
476 | ||
477 | for ( i = 0; sync_table->max_period != 0; i++, sync_table++) { | |
478 | if ( period >= sync_table->min_period && | |
479 | period <= sync_table->max_period ) { | |
480 | break; | |
481 | } | |
482 | } | |
483 | ||
484 | if (period != 0 && sync_table->max_period == 0) { | |
485 | /* | |
486 | * No proper period/offset found | |
487 | */ | |
488 | nsp_dbg(NSP_DEBUG_SYNC, "no proper period/offset"); | |
489 | ||
490 | sync->SyncPeriod = 0; | |
491 | sync->SyncOffset = 0; | |
492 | sync->SyncRegister = 0; | |
493 | sync->AckWidth = 0; | |
494 | ||
495 | return FALSE; | |
496 | } | |
497 | ||
498 | sync->SyncRegister = (sync_table->chip_period << SYNCREG_PERIOD_SHIFT) | | |
499 | (offset & SYNCREG_OFFSET_MASK); | |
500 | sync->AckWidth = sync_table->ack_width; | |
501 | ||
502 | nsp_dbg(NSP_DEBUG_SYNC, "sync_reg=0x%x, ack_width=0x%x", sync->SyncRegister, sync->AckWidth); | |
503 | ||
504 | return TRUE; | |
505 | } | |
506 | ||
507 | ||
508 | /* | |
509 | * start ninja hardware timer | |
510 | */ | |
511 | static void nsp_start_timer(Scsi_Cmnd *SCpnt, int time) | |
512 | { | |
513 | unsigned int base = SCpnt->device->host->io_port; | |
514 | nsp_hw_data *data = (nsp_hw_data *)SCpnt->device->host->hostdata; | |
515 | ||
516 | //nsp_dbg(NSP_DEBUG_INTR, "in SCpnt=0x%p, time=%d", SCpnt, time); | |
517 | data->TimerCount = time; | |
518 | nsp_index_write(base, TIMERCOUNT, time); | |
519 | } | |
520 | ||
521 | /* | |
522 | * wait for bus phase change | |
523 | */ | |
524 | static int nsp_negate_signal(Scsi_Cmnd *SCpnt, unsigned char mask, char *str) | |
525 | { | |
526 | unsigned int base = SCpnt->device->host->io_port; | |
527 | unsigned char reg; | |
528 | int time_out; | |
529 | ||
530 | //nsp_dbg(NSP_DEBUG_INTR, "in"); | |
531 | ||
532 | time_out = 100; | |
533 | ||
534 | do { | |
535 | reg = nsp_index_read(base, SCSIBUSMON); | |
536 | if (reg == 0xff) { | |
537 | break; | |
538 | } | |
539 | } while ((time_out-- != 0) && (reg & mask) != 0); | |
540 | ||
541 | if (time_out == 0) { | |
542 | nsp_msg(KERN_DEBUG, " %s signal off timeut", str); | |
543 | } | |
544 | ||
545 | return 0; | |
546 | } | |
547 | ||
548 | /* | |
549 | * expect Ninja Irq | |
550 | */ | |
551 | static int nsp_expect_signal(Scsi_Cmnd *SCpnt, | |
552 | unsigned char current_phase, | |
553 | unsigned char mask) | |
554 | { | |
555 | unsigned int base = SCpnt->device->host->io_port; | |
556 | int time_out; | |
557 | unsigned char phase, i_src; | |
558 | ||
559 | //nsp_dbg(NSP_DEBUG_INTR, "current_phase=0x%x, mask=0x%x", current_phase, mask); | |
560 | ||
561 | time_out = 100; | |
562 | do { | |
563 | phase = nsp_index_read(base, SCSIBUSMON); | |
564 | if (phase == 0xff) { | |
565 | //nsp_dbg(NSP_DEBUG_INTR, "ret -1"); | |
566 | return -1; | |
567 | } | |
568 | i_src = nsp_read(base, IRQSTATUS); | |
569 | if (i_src & IRQSTATUS_SCSI) { | |
570 | //nsp_dbg(NSP_DEBUG_INTR, "ret 0 found scsi signal"); | |
571 | return 0; | |
572 | } | |
573 | if ((phase & mask) != 0 && (phase & BUSMON_PHASE_MASK) == current_phase) { | |
574 | //nsp_dbg(NSP_DEBUG_INTR, "ret 1 phase=0x%x", phase); | |
575 | return 1; | |
576 | } | |
577 | } while(time_out-- != 0); | |
578 | ||
579 | //nsp_dbg(NSP_DEBUG_INTR, "timeout"); | |
580 | return -1; | |
581 | } | |
582 | ||
583 | /* | |
584 | * transfer SCSI message | |
585 | */ | |
586 | static int nsp_xfer(Scsi_Cmnd *SCpnt, int phase) | |
587 | { | |
588 | unsigned int base = SCpnt->device->host->io_port; | |
589 | nsp_hw_data *data = (nsp_hw_data *)SCpnt->device->host->hostdata; | |
590 | char *buf = data->MsgBuffer; | |
591 | int len = min(MSGBUF_SIZE, data->MsgLen); | |
592 | int ptr; | |
593 | int ret; | |
594 | ||
595 | //nsp_dbg(NSP_DEBUG_DATA_IO, "in"); | |
596 | for (ptr = 0; len > 0; len--, ptr++) { | |
597 | ||
598 | ret = nsp_expect_signal(SCpnt, phase, BUSMON_REQ); | |
599 | if (ret <= 0) { | |
600 | nsp_dbg(NSP_DEBUG_DATA_IO, "xfer quit"); | |
601 | return 0; | |
602 | } | |
603 | ||
604 | /* if last byte, negate ATN */ | |
605 | if (len == 1 && SCpnt->SCp.phase == PH_MSG_OUT) { | |
606 | nsp_index_write(base, SCSIBUSCTRL, AUTODIRECTION | ACKENB); | |
607 | } | |
608 | ||
609 | /* read & write message */ | |
610 | if (phase & BUSMON_IO) { | |
611 | nsp_dbg(NSP_DEBUG_DATA_IO, "read msg"); | |
612 | buf[ptr] = nsp_index_read(base, SCSIDATAWITHACK); | |
613 | } else { | |
614 | nsp_dbg(NSP_DEBUG_DATA_IO, "write msg"); | |
615 | nsp_index_write(base, SCSIDATAWITHACK, buf[ptr]); | |
616 | } | |
617 | nsp_negate_signal(SCpnt, BUSMON_ACK, "xfer<ack>"); | |
618 | ||
619 | } | |
620 | return len; | |
621 | } | |
622 | ||
623 | /* | |
624 | * get extra SCSI data from fifo | |
625 | */ | |
626 | static int nsp_dataphase_bypass(Scsi_Cmnd *SCpnt) | |
627 | { | |
628 | nsp_hw_data *data = (nsp_hw_data *)SCpnt->device->host->hostdata; | |
629 | unsigned int count; | |
630 | ||
631 | //nsp_dbg(NSP_DEBUG_DATA_IO, "in"); | |
632 | ||
633 | if (SCpnt->SCp.have_data_in != IO_IN) { | |
634 | return 0; | |
635 | } | |
636 | ||
637 | count = nsp_fifo_count(SCpnt); | |
638 | if (data->FifoCount == count) { | |
639 | //nsp_dbg(NSP_DEBUG_DATA_IO, "not use bypass quirk"); | |
640 | return 0; | |
641 | } | |
642 | ||
643 | /* | |
644 | * XXX: NSP_QUIRK | |
645 | * data phase skip only occures in case of SCSI_LOW_READ | |
646 | */ | |
647 | nsp_dbg(NSP_DEBUG_DATA_IO, "use bypass quirk"); | |
648 | SCpnt->SCp.phase = PH_DATA; | |
649 | nsp_pio_read(SCpnt); | |
650 | nsp_setup_fifo(data, FALSE); | |
651 | ||
652 | return 0; | |
653 | } | |
654 | ||
655 | /* | |
656 | * accept reselection | |
657 | */ | |
658 | static int nsp_reselected(Scsi_Cmnd *SCpnt) | |
659 | { | |
660 | unsigned int base = SCpnt->device->host->io_port; | |
661 | unsigned int host_id = SCpnt->device->host->this_id; | |
662 | //nsp_hw_data *data = (nsp_hw_data *)SCpnt->device->host->hostdata; | |
663 | unsigned char bus_reg; | |
664 | unsigned char id_reg, tmp; | |
665 | int target; | |
666 | ||
667 | nsp_dbg(NSP_DEBUG_RESELECTION, "in"); | |
668 | ||
669 | id_reg = nsp_index_read(base, RESELECTID); | |
670 | tmp = id_reg & (~BIT(host_id)); | |
671 | target = 0; | |
672 | while(tmp != 0) { | |
673 | if (tmp & BIT(0)) { | |
674 | break; | |
675 | } | |
676 | tmp >>= 1; | |
677 | target++; | |
678 | } | |
679 | ||
422c0d61 | 680 | if (scmd_id(SCpnt) != target) { |
1da177e4 LT |
681 | nsp_msg(KERN_ERR, "XXX: reselect ID must be %d in this implementation.", target); |
682 | } | |
683 | ||
684 | nsp_negate_signal(SCpnt, BUSMON_SEL, "reselect<SEL>"); | |
685 | ||
686 | nsp_nexus(SCpnt); | |
687 | bus_reg = nsp_index_read(base, SCSIBUSCTRL) & ~(SCSI_BSY | SCSI_ATN); | |
688 | nsp_index_write(base, SCSIBUSCTRL, bus_reg); | |
689 | nsp_index_write(base, SCSIBUSCTRL, bus_reg | AUTODIRECTION | ACKENB); | |
690 | ||
691 | return TRUE; | |
692 | } | |
693 | ||
694 | /* | |
695 | * count how many data transferd | |
696 | */ | |
697 | static int nsp_fifo_count(Scsi_Cmnd *SCpnt) | |
698 | { | |
699 | unsigned int base = SCpnt->device->host->io_port; | |
700 | unsigned int count; | |
701 | unsigned int l, m, h, dummy; | |
702 | ||
703 | nsp_index_write(base, POINTERCLR, POINTER_CLEAR | ACK_COUNTER); | |
704 | ||
705 | l = nsp_index_read(base, TRANSFERCOUNT); | |
706 | m = nsp_index_read(base, TRANSFERCOUNT); | |
707 | h = nsp_index_read(base, TRANSFERCOUNT); | |
708 | dummy = nsp_index_read(base, TRANSFERCOUNT); /* required this! */ | |
709 | ||
710 | count = (h << 16) | (m << 8) | (l << 0); | |
711 | ||
712 | //nsp_dbg(NSP_DEBUG_DATA_IO, "count=0x%x", count); | |
713 | ||
714 | return count; | |
715 | } | |
716 | ||
717 | /* fifo size */ | |
718 | #define RFIFO_CRIT 64 | |
719 | #define WFIFO_CRIT 64 | |
720 | ||
721 | /* | |
722 | * read data in DATA IN phase | |
723 | */ | |
724 | static void nsp_pio_read(Scsi_Cmnd *SCpnt) | |
725 | { | |
726 | unsigned int base = SCpnt->device->host->io_port; | |
727 | unsigned long mmio_base = SCpnt->device->host->base; | |
728 | nsp_hw_data *data = (nsp_hw_data *)SCpnt->device->host->hostdata; | |
729 | long time_out; | |
730 | int ocount, res; | |
731 | unsigned char stat, fifo_stat; | |
732 | ||
733 | ocount = data->FifoCount; | |
734 | ||
735 | 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", | |
736 | SCpnt, SCpnt->resid, ocount, SCpnt->SCp.ptr, SCpnt->SCp.this_residual, SCpnt->SCp.buffer, SCpnt->SCp.buffers_residual); | |
737 | ||
738 | time_out = 1000; | |
739 | ||
740 | while ((time_out-- != 0) && | |
741 | (SCpnt->SCp.this_residual > 0 || SCpnt->SCp.buffers_residual > 0 ) ) { | |
742 | ||
743 | stat = nsp_index_read(base, SCSIBUSMON); | |
744 | stat &= BUSMON_PHASE_MASK; | |
745 | ||
746 | ||
747 | res = nsp_fifo_count(SCpnt) - ocount; | |
748 | //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); | |
749 | if (res == 0) { /* if some data avilable ? */ | |
750 | if (stat == BUSPHASE_DATA_IN) { /* phase changed? */ | |
751 | //nsp_dbg(NSP_DEBUG_DATA_IO, " wait for data this=%d", SCpnt->SCp.this_residual); | |
752 | continue; | |
753 | } else { | |
754 | nsp_dbg(NSP_DEBUG_DATA_IO, "phase changed stat=0x%x", stat); | |
755 | break; | |
756 | } | |
757 | } | |
758 | ||
759 | fifo_stat = nsp_read(base, FIFOSTATUS); | |
760 | if ((fifo_stat & FIFOSTATUS_FULL_EMPTY) == 0 && | |
761 | stat == BUSPHASE_DATA_IN) { | |
762 | continue; | |
763 | } | |
764 | ||
765 | res = min(res, SCpnt->SCp.this_residual); | |
766 | ||
767 | switch (data->TransferMode) { | |
768 | case MODE_IO32: | |
769 | res &= ~(BIT(1)|BIT(0)); /* align 4 */ | |
770 | nsp_fifo32_read(base, SCpnt->SCp.ptr, res >> 2); | |
771 | break; | |
772 | case MODE_IO8: | |
773 | nsp_fifo8_read (base, SCpnt->SCp.ptr, res ); | |
774 | break; | |
775 | ||
776 | case MODE_MEM32: | |
777 | res &= ~(BIT(1)|BIT(0)); /* align 4 */ | |
778 | nsp_mmio_fifo32_read(mmio_base, SCpnt->SCp.ptr, res >> 2); | |
779 | break; | |
780 | ||
781 | default: | |
782 | nsp_dbg(NSP_DEBUG_DATA_IO, "unknown read mode"); | |
783 | return; | |
784 | } | |
785 | ||
786 | SCpnt->resid -= res; | |
787 | SCpnt->SCp.ptr += res; | |
788 | SCpnt->SCp.this_residual -= res; | |
789 | ocount += res; | |
790 | //nsp_dbg(NSP_DEBUG_DATA_IO, "ptr=0x%p this_residual=0x%x ocount=0x%x", SCpnt->SCp.ptr, SCpnt->SCp.this_residual, ocount); | |
791 | ||
792 | /* go to next scatter list if available */ | |
793 | if (SCpnt->SCp.this_residual == 0 && | |
794 | SCpnt->SCp.buffers_residual != 0 ) { | |
795 | //nsp_dbg(NSP_DEBUG_DATA_IO, "scatterlist next timeout=%d", time_out); | |
796 | SCpnt->SCp.buffers_residual--; | |
797 | SCpnt->SCp.buffer++; | |
798 | SCpnt->SCp.ptr = BUFFER_ADDR; | |
799 | SCpnt->SCp.this_residual = SCpnt->SCp.buffer->length; | |
800 | time_out = 1000; | |
801 | ||
802 | //nsp_dbg(NSP_DEBUG_DATA_IO, "page: 0x%p, off: 0x%x", SCpnt->SCp.buffer->page, SCpnt->SCp.buffer->offset); | |
803 | } | |
804 | } | |
805 | ||
806 | data->FifoCount = ocount; | |
807 | ||
808 | if (time_out == 0) { | |
809 | nsp_msg(KERN_DEBUG, "pio read timeout resid=%d this_residual=%d buffers_residual=%d", | |
810 | SCpnt->resid, SCpnt->SCp.this_residual, SCpnt->SCp.buffers_residual); | |
811 | } | |
812 | nsp_dbg(NSP_DEBUG_DATA_IO, "read ocount=0x%x", ocount); | |
813 | nsp_dbg(NSP_DEBUG_DATA_IO, "r cmd=%d resid=0x%x\n", data->CmdId, SCpnt->resid); | |
814 | } | |
815 | ||
816 | /* | |
817 | * write data in DATA OUT phase | |
818 | */ | |
819 | static void nsp_pio_write(Scsi_Cmnd *SCpnt) | |
820 | { | |
821 | unsigned int base = SCpnt->device->host->io_port; | |
822 | unsigned long mmio_base = SCpnt->device->host->base; | |
823 | nsp_hw_data *data = (nsp_hw_data *)SCpnt->device->host->hostdata; | |
824 | int time_out; | |
825 | int ocount, res; | |
826 | unsigned char stat; | |
827 | ||
828 | ocount = data->FifoCount; | |
829 | ||
830 | nsp_dbg(NSP_DEBUG_DATA_IO, "in fifocount=%d ptr=0x%p this_residual=%d buffers=0x%p nbuf=%d resid=0x%x", | |
831 | data->FifoCount, SCpnt->SCp.ptr, SCpnt->SCp.this_residual, SCpnt->SCp.buffer, SCpnt->SCp.buffers_residual, SCpnt->resid); | |
832 | ||
833 | time_out = 1000; | |
834 | ||
835 | while ((time_out-- != 0) && | |
836 | (SCpnt->SCp.this_residual > 0 || SCpnt->SCp.buffers_residual > 0)) { | |
837 | stat = nsp_index_read(base, SCSIBUSMON); | |
838 | stat &= BUSMON_PHASE_MASK; | |
839 | ||
840 | if (stat != BUSPHASE_DATA_OUT) { | |
841 | res = ocount - nsp_fifo_count(SCpnt); | |
842 | ||
843 | nsp_dbg(NSP_DEBUG_DATA_IO, "phase changed stat=0x%x, res=%d\n", stat, res); | |
844 | /* Put back pointer */ | |
845 | SCpnt->resid += res; | |
846 | SCpnt->SCp.ptr -= res; | |
847 | SCpnt->SCp.this_residual += res; | |
848 | ocount -= res; | |
849 | ||
850 | break; | |
851 | } | |
852 | ||
853 | res = ocount - nsp_fifo_count(SCpnt); | |
854 | if (res > 0) { /* write all data? */ | |
855 | nsp_dbg(NSP_DEBUG_DATA_IO, "wait for all data out. ocount=0x%x res=%d", ocount, res); | |
856 | continue; | |
857 | } | |
858 | ||
859 | res = min(SCpnt->SCp.this_residual, WFIFO_CRIT); | |
860 | ||
861 | //nsp_dbg(NSP_DEBUG_DATA_IO, "ptr=0x%p this=0x%x res=0x%x", SCpnt->SCp.ptr, SCpnt->SCp.this_residual, res); | |
862 | switch (data->TransferMode) { | |
863 | case MODE_IO32: | |
864 | res &= ~(BIT(1)|BIT(0)); /* align 4 */ | |
865 | nsp_fifo32_write(base, SCpnt->SCp.ptr, res >> 2); | |
866 | break; | |
867 | case MODE_IO8: | |
868 | nsp_fifo8_write (base, SCpnt->SCp.ptr, res ); | |
869 | break; | |
870 | ||
871 | case MODE_MEM32: | |
872 | res &= ~(BIT(1)|BIT(0)); /* align 4 */ | |
873 | nsp_mmio_fifo32_write(mmio_base, SCpnt->SCp.ptr, res >> 2); | |
874 | break; | |
875 | ||
876 | default: | |
877 | nsp_dbg(NSP_DEBUG_DATA_IO, "unknown write mode"); | |
878 | break; | |
879 | } | |
880 | ||
881 | SCpnt->resid -= res; | |
882 | SCpnt->SCp.ptr += res; | |
883 | SCpnt->SCp.this_residual -= res; | |
884 | ocount += res; | |
885 | ||
886 | /* go to next scatter list if available */ | |
887 | if (SCpnt->SCp.this_residual == 0 && | |
888 | SCpnt->SCp.buffers_residual != 0 ) { | |
889 | //nsp_dbg(NSP_DEBUG_DATA_IO, "scatterlist next"); | |
890 | SCpnt->SCp.buffers_residual--; | |
891 | SCpnt->SCp.buffer++; | |
892 | SCpnt->SCp.ptr = BUFFER_ADDR; | |
893 | SCpnt->SCp.this_residual = SCpnt->SCp.buffer->length; | |
894 | time_out = 1000; | |
895 | } | |
896 | } | |
897 | ||
898 | data->FifoCount = ocount; | |
899 | ||
900 | if (time_out == 0) { | |
901 | nsp_msg(KERN_DEBUG, "pio write timeout resid=0x%x", SCpnt->resid); | |
902 | } | |
903 | nsp_dbg(NSP_DEBUG_DATA_IO, "write ocount=0x%x", ocount); | |
904 | nsp_dbg(NSP_DEBUG_DATA_IO, "w cmd=%d resid=0x%x\n", data->CmdId, SCpnt->resid); | |
905 | } | |
906 | #undef RFIFO_CRIT | |
907 | #undef WFIFO_CRIT | |
908 | ||
909 | /* | |
910 | * setup synchronous/asynchronous data transfer mode | |
911 | */ | |
912 | static int nsp_nexus(Scsi_Cmnd *SCpnt) | |
913 | { | |
914 | unsigned int base = SCpnt->device->host->io_port; | |
422c0d61 | 915 | unsigned char target = scmd_id(SCpnt); |
1da177e4 LT |
916 | // unsigned char lun = SCpnt->device->lun; |
917 | nsp_hw_data *data = (nsp_hw_data *)SCpnt->device->host->hostdata; | |
918 | sync_data *sync = &(data->Sync[target]); | |
919 | ||
920 | //nsp_dbg(NSP_DEBUG_DATA_IO, "in SCpnt=0x%p", SCpnt); | |
921 | ||
922 | /* setup synch transfer registers */ | |
923 | nsp_index_write(base, SYNCREG, sync->SyncRegister); | |
924 | nsp_index_write(base, ACKWIDTH, sync->AckWidth); | |
925 | ||
926 | if (SCpnt->use_sg == 0 || | |
927 | SCpnt->resid % 4 != 0 || | |
928 | SCpnt->resid <= PAGE_SIZE ) { | |
929 | data->TransferMode = MODE_IO8; | |
930 | } else if (nsp_burst_mode == BURST_MEM32) { | |
931 | data->TransferMode = MODE_MEM32; | |
932 | } else if (nsp_burst_mode == BURST_IO32) { | |
933 | data->TransferMode = MODE_IO32; | |
934 | } else { | |
935 | data->TransferMode = MODE_IO8; | |
936 | } | |
937 | ||
938 | /* setup pdma fifo */ | |
939 | nsp_setup_fifo(data, TRUE); | |
940 | ||
941 | /* clear ack counter */ | |
942 | data->FifoCount = 0; | |
943 | nsp_index_write(base, POINTERCLR, POINTER_CLEAR | | |
944 | ACK_COUNTER_CLEAR | | |
945 | REQ_COUNTER_CLEAR | | |
946 | HOST_COUNTER_CLEAR); | |
947 | ||
948 | return 0; | |
949 | } | |
950 | ||
951 | #include "nsp_message.c" | |
952 | /* | |
953 | * interrupt handler | |
954 | */ | |
955 | static irqreturn_t nspintr(int irq, void *dev_id, struct pt_regs *regs) | |
956 | { | |
957 | unsigned int base; | |
958 | unsigned char irq_status, irq_phase, phase; | |
959 | Scsi_Cmnd *tmpSC; | |
960 | unsigned char target, lun; | |
961 | unsigned int *sync_neg; | |
962 | int i, tmp; | |
963 | nsp_hw_data *data; | |
964 | ||
965 | ||
966 | //nsp_dbg(NSP_DEBUG_INTR, "dev_id=0x%p", dev_id); | |
967 | //nsp_dbg(NSP_DEBUG_INTR, "host=0x%p", ((scsi_info_t *)dev_id)->host); | |
968 | ||
969 | if ( dev_id != NULL && | |
970 | ((scsi_info_t *)dev_id)->host != NULL ) { | |
971 | scsi_info_t *info = (scsi_info_t *)dev_id; | |
972 | ||
973 | data = (nsp_hw_data *)info->host->hostdata; | |
974 | } else { | |
975 | nsp_dbg(NSP_DEBUG_INTR, "host data wrong"); | |
976 | return IRQ_NONE; | |
977 | } | |
978 | ||
979 | //nsp_dbg(NSP_DEBUG_INTR, "&nsp_data_base=0x%p, dev_id=0x%p", &nsp_data_base, dev_id); | |
980 | ||
981 | base = data->BaseAddress; | |
982 | //nsp_dbg(NSP_DEBUG_INTR, "base=0x%x", base); | |
983 | ||
984 | /* | |
985 | * interrupt check | |
986 | */ | |
987 | nsp_write(base, IRQCONTROL, IRQCONTROL_IRQDISABLE); | |
988 | irq_status = nsp_read(base, IRQSTATUS); | |
989 | //nsp_dbg(NSP_DEBUG_INTR, "irq_status=0x%x", irq_status); | |
990 | if ((irq_status == 0xff) || ((irq_status & IRQSTATUS_MASK) == 0)) { | |
991 | nsp_write(base, IRQCONTROL, 0); | |
992 | //nsp_dbg(NSP_DEBUG_INTR, "no irq/shared irq"); | |
993 | return IRQ_NONE; | |
994 | } | |
995 | ||
996 | /* XXX: IMPORTANT | |
997 | * Do not read an irq_phase register if no scsi phase interrupt. | |
998 | * Unless, you should lose a scsi phase interrupt. | |
999 | */ | |
1000 | phase = nsp_index_read(base, SCSIBUSMON); | |
1001 | if((irq_status & IRQSTATUS_SCSI) != 0) { | |
1002 | irq_phase = nsp_index_read(base, IRQPHASESENCE); | |
1003 | } else { | |
1004 | irq_phase = 0; | |
1005 | } | |
1006 | ||
1007 | //nsp_dbg(NSP_DEBUG_INTR, "irq_phase=0x%x", irq_phase); | |
1008 | ||
1009 | /* | |
1010 | * timer interrupt handler (scsi vs timer interrupts) | |
1011 | */ | |
1012 | //nsp_dbg(NSP_DEBUG_INTR, "timercount=%d", data->TimerCount); | |
1013 | if (data->TimerCount != 0) { | |
1014 | //nsp_dbg(NSP_DEBUG_INTR, "stop timer"); | |
1015 | nsp_index_write(base, TIMERCOUNT, 0); | |
1016 | nsp_index_write(base, TIMERCOUNT, 0); | |
1017 | data->TimerCount = 0; | |
1018 | } | |
1019 | ||
1020 | if ((irq_status & IRQSTATUS_MASK) == IRQSTATUS_TIMER && | |
1021 | data->SelectionTimeOut == 0) { | |
1022 | //nsp_dbg(NSP_DEBUG_INTR, "timer start"); | |
1023 | nsp_write(base, IRQCONTROL, IRQCONTROL_TIMER_CLEAR); | |
1024 | return IRQ_HANDLED; | |
1025 | } | |
1026 | ||
1027 | nsp_write(base, IRQCONTROL, IRQCONTROL_TIMER_CLEAR | IRQCONTROL_FIFO_CLEAR); | |
1028 | ||
1029 | if ((irq_status & IRQSTATUS_SCSI) && | |
1030 | (irq_phase & SCSI_RESET_IRQ)) { | |
1031 | nsp_msg(KERN_ERR, "bus reset (power off?)"); | |
1032 | ||
1033 | nsphw_init(data); | |
1034 | nsp_bus_reset(data); | |
1035 | ||
1036 | if(data->CurrentSC != NULL) { | |
1037 | tmpSC = data->CurrentSC; | |
1038 | tmpSC->result = (DID_RESET << 16) | | |
1039 | ((tmpSC->SCp.Message & 0xff) << 8) | | |
1040 | ((tmpSC->SCp.Status & 0xff) << 0); | |
1041 | nsp_scsi_done(tmpSC); | |
1042 | } | |
1043 | return IRQ_HANDLED; | |
1044 | } | |
1045 | ||
1046 | if (data->CurrentSC == NULL) { | |
1047 | 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); | |
1048 | nsphw_init(data); | |
1049 | nsp_bus_reset(data); | |
1050 | return IRQ_HANDLED; | |
1051 | } | |
1052 | ||
1053 | tmpSC = data->CurrentSC; | |
1054 | target = tmpSC->device->id; | |
1055 | lun = tmpSC->device->lun; | |
1056 | sync_neg = &(data->Sync[target].SyncNegotiation); | |
1057 | ||
1058 | /* | |
1059 | * parse hardware SCSI irq reasons register | |
1060 | */ | |
1061 | if (irq_status & IRQSTATUS_SCSI) { | |
1062 | if (irq_phase & RESELECT_IRQ) { | |
1063 | nsp_dbg(NSP_DEBUG_INTR, "reselect"); | |
1064 | nsp_write(base, IRQCONTROL, IRQCONTROL_RESELECT_CLEAR); | |
1065 | if (nsp_reselected(tmpSC) != FALSE) { | |
1066 | return IRQ_HANDLED; | |
1067 | } | |
1068 | } | |
1069 | ||
1070 | if ((irq_phase & (PHASE_CHANGE_IRQ | LATCHED_BUS_FREE)) == 0) { | |
1071 | return IRQ_HANDLED; | |
1072 | } | |
1073 | } | |
1074 | ||
1075 | //show_phase(tmpSC); | |
1076 | ||
1077 | switch(tmpSC->SCp.phase) { | |
1078 | case PH_SELSTART: | |
1079 | // *sync_neg = SYNC_NOT_YET; | |
1080 | if ((phase & BUSMON_BSY) == 0) { | |
1081 | //nsp_dbg(NSP_DEBUG_INTR, "selection count=%d", data->SelectionTimeOut); | |
1082 | if (data->SelectionTimeOut >= NSP_SELTIMEOUT) { | |
1083 | nsp_dbg(NSP_DEBUG_INTR, "selection time out"); | |
1084 | data->SelectionTimeOut = 0; | |
1085 | nsp_index_write(base, SCSIBUSCTRL, 0); | |
1086 | ||
1087 | tmpSC->result = DID_TIME_OUT << 16; | |
1088 | nsp_scsi_done(tmpSC); | |
1089 | ||
1090 | return IRQ_HANDLED; | |
1091 | } | |
1092 | data->SelectionTimeOut += 1; | |
1093 | nsp_start_timer(tmpSC, 1000/51); | |
1094 | return IRQ_HANDLED; | |
1095 | } | |
1096 | ||
1097 | /* attention assert */ | |
1098 | //nsp_dbg(NSP_DEBUG_INTR, "attention assert"); | |
1099 | data->SelectionTimeOut = 0; | |
1100 | tmpSC->SCp.phase = PH_SELECTED; | |
1101 | nsp_index_write(base, SCSIBUSCTRL, SCSI_ATN); | |
1102 | udelay(1); | |
1103 | nsp_index_write(base, SCSIBUSCTRL, SCSI_ATN | AUTODIRECTION | ACKENB); | |
1104 | return IRQ_HANDLED; | |
1105 | ||
1106 | break; | |
1107 | ||
1108 | case PH_RESELECT: | |
1109 | //nsp_dbg(NSP_DEBUG_INTR, "phase reselect"); | |
1110 | // *sync_neg = SYNC_NOT_YET; | |
1111 | if ((phase & BUSMON_PHASE_MASK) != BUSPHASE_MESSAGE_IN) { | |
1112 | ||
1113 | tmpSC->result = DID_ABORT << 16; | |
1114 | nsp_scsi_done(tmpSC); | |
1115 | return IRQ_HANDLED; | |
1116 | } | |
1117 | /* fall thru */ | |
1118 | default: | |
1119 | if ((irq_status & (IRQSTATUS_SCSI | IRQSTATUS_FIFO)) == 0) { | |
1120 | return IRQ_HANDLED; | |
1121 | } | |
1122 | break; | |
1123 | } | |
1124 | ||
1125 | /* | |
1126 | * SCSI sequencer | |
1127 | */ | |
1128 | //nsp_dbg(NSP_DEBUG_INTR, "start scsi seq"); | |
1129 | ||
1130 | /* normal disconnect */ | |
1131 | if (((tmpSC->SCp.phase == PH_MSG_IN) || (tmpSC->SCp.phase == PH_MSG_OUT)) && | |
1132 | (irq_phase & LATCHED_BUS_FREE) != 0 ) { | |
1133 | nsp_dbg(NSP_DEBUG_INTR, "normal disconnect irq_status=0x%x, phase=0x%x, irq_phase=0x%x", irq_status, phase, irq_phase); | |
1134 | ||
1135 | //*sync_neg = SYNC_NOT_YET; | |
1136 | ||
1137 | if ((tmpSC->SCp.Message == MSG_COMMAND_COMPLETE)) { /* all command complete and return status */ | |
1138 | tmpSC->result = (DID_OK << 16) | | |
1139 | ((tmpSC->SCp.Message & 0xff) << 8) | | |
1140 | ((tmpSC->SCp.Status & 0xff) << 0); | |
1141 | nsp_dbg(NSP_DEBUG_INTR, "command complete result=0x%x", tmpSC->result); | |
1142 | nsp_scsi_done(tmpSC); | |
1143 | ||
1144 | return IRQ_HANDLED; | |
1145 | } | |
1146 | ||
1147 | return IRQ_HANDLED; | |
1148 | } | |
1149 | ||
1150 | ||
1151 | /* check unexpected bus free state */ | |
1152 | if (phase == 0) { | |
1153 | nsp_msg(KERN_DEBUG, "unexpected bus free. irq_status=0x%x, phase=0x%x, irq_phase=0x%x", irq_status, phase, irq_phase); | |
1154 | ||
1155 | *sync_neg = SYNC_NG; | |
1156 | tmpSC->result = DID_ERROR << 16; | |
1157 | nsp_scsi_done(tmpSC); | |
1158 | return IRQ_HANDLED; | |
1159 | } | |
1160 | ||
1161 | switch (phase & BUSMON_PHASE_MASK) { | |
1162 | case BUSPHASE_COMMAND: | |
1163 | nsp_dbg(NSP_DEBUG_INTR, "BUSPHASE_COMMAND"); | |
1164 | if ((phase & BUSMON_REQ) == 0) { | |
1165 | nsp_dbg(NSP_DEBUG_INTR, "REQ == 0"); | |
1166 | return IRQ_HANDLED; | |
1167 | } | |
1168 | ||
1169 | tmpSC->SCp.phase = PH_COMMAND; | |
1170 | ||
1171 | nsp_nexus(tmpSC); | |
1172 | ||
1173 | /* write scsi command */ | |
1174 | nsp_dbg(NSP_DEBUG_INTR, "cmd_len=%d", tmpSC->cmd_len); | |
1175 | nsp_index_write(base, COMMANDCTRL, CLEAR_COMMAND_POINTER); | |
1176 | for (i = 0; i < tmpSC->cmd_len; i++) { | |
1177 | nsp_index_write(base, COMMANDDATA, tmpSC->cmnd[i]); | |
1178 | } | |
1179 | nsp_index_write(base, COMMANDCTRL, CLEAR_COMMAND_POINTER | AUTO_COMMAND_GO); | |
1180 | break; | |
1181 | ||
1182 | case BUSPHASE_DATA_OUT: | |
1183 | nsp_dbg(NSP_DEBUG_INTR, "BUSPHASE_DATA_OUT"); | |
1184 | ||
1185 | tmpSC->SCp.phase = PH_DATA; | |
1186 | tmpSC->SCp.have_data_in = IO_OUT; | |
1187 | ||
1188 | nsp_pio_write(tmpSC); | |
1189 | ||
1190 | break; | |
1191 | ||
1192 | case BUSPHASE_DATA_IN: | |
1193 | nsp_dbg(NSP_DEBUG_INTR, "BUSPHASE_DATA_IN"); | |
1194 | ||
1195 | tmpSC->SCp.phase = PH_DATA; | |
1196 | tmpSC->SCp.have_data_in = IO_IN; | |
1197 | ||
1198 | nsp_pio_read(tmpSC); | |
1199 | ||
1200 | break; | |
1201 | ||
1202 | case BUSPHASE_STATUS: | |
1203 | nsp_dataphase_bypass(tmpSC); | |
1204 | nsp_dbg(NSP_DEBUG_INTR, "BUSPHASE_STATUS"); | |
1205 | ||
1206 | tmpSC->SCp.phase = PH_STATUS; | |
1207 | ||
1208 | tmpSC->SCp.Status = nsp_index_read(base, SCSIDATAWITHACK); | |
1209 | nsp_dbg(NSP_DEBUG_INTR, "message=0x%x status=0x%x", tmpSC->SCp.Message, tmpSC->SCp.Status); | |
1210 | ||
1211 | break; | |
1212 | ||
1213 | case BUSPHASE_MESSAGE_OUT: | |
1214 | nsp_dbg(NSP_DEBUG_INTR, "BUSPHASE_MESSAGE_OUT"); | |
1215 | if ((phase & BUSMON_REQ) == 0) { | |
1216 | goto timer_out; | |
1217 | } | |
1218 | ||
1219 | tmpSC->SCp.phase = PH_MSG_OUT; | |
1220 | ||
1221 | //*sync_neg = SYNC_NOT_YET; | |
1222 | ||
1223 | data->MsgLen = i = 0; | |
1224 | data->MsgBuffer[i] = IDENTIFY(TRUE, lun); i++; | |
1225 | ||
1226 | if (*sync_neg == SYNC_NOT_YET) { | |
1227 | data->Sync[target].SyncPeriod = 0; | |
1228 | data->Sync[target].SyncOffset = 0; | |
1229 | ||
1230 | /**/ | |
1231 | data->MsgBuffer[i] = MSG_EXTENDED; i++; | |
1232 | data->MsgBuffer[i] = 3; i++; | |
1233 | data->MsgBuffer[i] = MSG_EXT_SDTR; i++; | |
1234 | data->MsgBuffer[i] = 0x0c; i++; | |
1235 | data->MsgBuffer[i] = 15; i++; | |
1236 | /**/ | |
1237 | } | |
1238 | data->MsgLen = i; | |
1239 | ||
1240 | nsp_analyze_sdtr(tmpSC); | |
1241 | show_message(data); | |
1242 | nsp_message_out(tmpSC); | |
1243 | break; | |
1244 | ||
1245 | case BUSPHASE_MESSAGE_IN: | |
1246 | nsp_dataphase_bypass(tmpSC); | |
1247 | nsp_dbg(NSP_DEBUG_INTR, "BUSPHASE_MESSAGE_IN"); | |
1248 | if ((phase & BUSMON_REQ) == 0) { | |
1249 | goto timer_out; | |
1250 | } | |
1251 | ||
1252 | tmpSC->SCp.phase = PH_MSG_IN; | |
1253 | nsp_message_in(tmpSC); | |
1254 | ||
1255 | /**/ | |
1256 | if (*sync_neg == SYNC_NOT_YET) { | |
1257 | //nsp_dbg(NSP_DEBUG_INTR, "sync target=%d,lun=%d",target,lun); | |
1258 | ||
1259 | if (data->MsgLen >= 5 && | |
1260 | data->MsgBuffer[0] == MSG_EXTENDED && | |
1261 | data->MsgBuffer[1] == 3 && | |
1262 | data->MsgBuffer[2] == MSG_EXT_SDTR ) { | |
1263 | data->Sync[target].SyncPeriod = data->MsgBuffer[3]; | |
1264 | data->Sync[target].SyncOffset = data->MsgBuffer[4]; | |
1265 | //nsp_dbg(NSP_DEBUG_INTR, "sync ok, %d %d", data->MsgBuffer[3], data->MsgBuffer[4]); | |
1266 | *sync_neg = SYNC_OK; | |
1267 | } else { | |
1268 | data->Sync[target].SyncPeriod = 0; | |
1269 | data->Sync[target].SyncOffset = 0; | |
1270 | *sync_neg = SYNC_NG; | |
1271 | } | |
1272 | nsp_analyze_sdtr(tmpSC); | |
1273 | } | |
1274 | /**/ | |
1275 | ||
1276 | /* search last messeage byte */ | |
1277 | tmp = -1; | |
1278 | for (i = 0; i < data->MsgLen; i++) { | |
1279 | tmp = data->MsgBuffer[i]; | |
1280 | if (data->MsgBuffer[i] == MSG_EXTENDED) { | |
1281 | i += (1 + data->MsgBuffer[i+1]); | |
1282 | } | |
1283 | } | |
1284 | tmpSC->SCp.Message = tmp; | |
1285 | ||
1286 | nsp_dbg(NSP_DEBUG_INTR, "message=0x%x len=%d", tmpSC->SCp.Message, data->MsgLen); | |
1287 | show_message(data); | |
1288 | ||
1289 | break; | |
1290 | ||
1291 | case BUSPHASE_SELECT: | |
1292 | default: | |
1293 | nsp_dbg(NSP_DEBUG_INTR, "BUSPHASE other"); | |
1294 | ||
1295 | break; | |
1296 | } | |
1297 | ||
1298 | //nsp_dbg(NSP_DEBUG_INTR, "out"); | |
1299 | return IRQ_HANDLED; | |
1300 | ||
1301 | timer_out: | |
1302 | nsp_start_timer(tmpSC, 1000/102); | |
1303 | return IRQ_HANDLED; | |
1304 | } | |
1305 | ||
1306 | #ifdef NSP_DEBUG | |
1307 | #include "nsp_debug.c" | |
1308 | #endif /* NSP_DEBUG */ | |
1309 | ||
1310 | /*----------------------------------------------------------------*/ | |
1311 | /* look for ninja3 card and init if found */ | |
1312 | /*----------------------------------------------------------------*/ | |
1313 | static struct Scsi_Host *nsp_detect(Scsi_Host_Template *sht) | |
1314 | { | |
1315 | struct Scsi_Host *host; /* registered host structure */ | |
1316 | nsp_hw_data *data_b = &nsp_data_base, *data; | |
1317 | ||
1318 | nsp_dbg(NSP_DEBUG_INIT, "this_id=%d", sht->this_id); | |
1319 | #if (LINUX_VERSION_CODE > KERNEL_VERSION(2,5,73)) | |
1320 | host = scsi_host_alloc(&nsp_driver_template, sizeof(nsp_hw_data)); | |
1321 | #else | |
1322 | host = scsi_register(sht, sizeof(nsp_hw_data)); | |
1323 | #endif | |
1324 | if (host == NULL) { | |
1325 | nsp_dbg(NSP_DEBUG_INIT, "host failed"); | |
1326 | return NULL; | |
1327 | } | |
1328 | ||
1329 | memcpy(host->hostdata, data_b, sizeof(nsp_hw_data)); | |
1330 | data = (nsp_hw_data *)host->hostdata; | |
1331 | data->ScsiInfo->host = host; | |
1332 | #ifdef NSP_DEBUG | |
1333 | data->CmdId = 0; | |
1334 | #endif | |
1335 | ||
1336 | nsp_dbg(NSP_DEBUG_INIT, "irq=%d,%d", data_b->IrqNumber, ((nsp_hw_data *)host->hostdata)->IrqNumber); | |
1337 | ||
1338 | host->unique_id = data->BaseAddress; | |
1339 | host->io_port = data->BaseAddress; | |
1340 | host->n_io_port = data->NumAddress; | |
1341 | host->irq = data->IrqNumber; | |
1342 | host->base = data->MmioAddress; | |
1343 | ||
1344 | spin_lock_init(&(data->Lock)); | |
1345 | ||
1346 | snprintf(data->nspinfo, | |
1347 | sizeof(data->nspinfo), | |
1348 | "NinjaSCSI-3/32Bi Driver $Revision: 1.23 $ IO:0x%04lx-0x%04lx MMIO(virt addr):0x%04lx IRQ:%02d", | |
1349 | host->io_port, host->io_port + host->n_io_port - 1, | |
1350 | host->base, | |
1351 | host->irq); | |
1352 | sht->name = data->nspinfo; | |
1353 | ||
1354 | nsp_dbg(NSP_DEBUG_INIT, "end"); | |
1355 | ||
1356 | ||
1357 | return host; /* detect done. */ | |
1358 | } | |
1359 | ||
1360 | #if (LINUX_VERSION_CODE < KERNEL_VERSION(2,5,0)) | |
1361 | static int nsp_detect_old(Scsi_Host_Template *sht) | |
1362 | { | |
1363 | if (nsp_detect(sht) == NULL) { | |
1364 | return 0; | |
1365 | } else { | |
1366 | //MOD_INC_USE_COUNT; | |
1367 | return 1; | |
1368 | } | |
1369 | } | |
1370 | ||
1371 | ||
1372 | static int nsp_release_old(struct Scsi_Host *shpnt) | |
1373 | { | |
1374 | //nsp_hw_data *data = (nsp_hw_data *)shpnt->hostdata; | |
1375 | ||
1376 | /* PCMCIA Card Service dose same things below. */ | |
1377 | /* So we do nothing. */ | |
1378 | //if (shpnt->irq) { | |
1379 | // free_irq(shpnt->irq, data->ScsiInfo); | |
1380 | //} | |
1381 | //if (shpnt->io_port) { | |
1382 | // release_region(shpnt->io_port, shpnt->n_io_port); | |
1383 | //} | |
1384 | ||
1385 | //MOD_DEC_USE_COUNT; | |
1386 | ||
1387 | return 0; | |
1388 | } | |
1389 | #endif | |
1390 | ||
1391 | /*----------------------------------------------------------------*/ | |
1392 | /* return info string */ | |
1393 | /*----------------------------------------------------------------*/ | |
1394 | static const char *nsp_info(struct Scsi_Host *shpnt) | |
1395 | { | |
1396 | nsp_hw_data *data = (nsp_hw_data *)shpnt->hostdata; | |
1397 | ||
1398 | return data->nspinfo; | |
1399 | } | |
1400 | ||
1401 | #undef SPRINTF | |
1402 | #define SPRINTF(args...) \ | |
1403 | do { \ | |
1404 | if(length > (pos - buffer)) { \ | |
1405 | pos += snprintf(pos, length - (pos - buffer) + 1, ## args); \ | |
1406 | nsp_dbg(NSP_DEBUG_PROC, "buffer=0x%p pos=0x%p length=%d %d\n", buffer, pos, length, length - (pos - buffer));\ | |
1407 | } \ | |
1408 | } while(0) | |
1409 | static int | |
1410 | nsp_proc_info( | |
1411 | #if (LINUX_VERSION_CODE > KERNEL_VERSION(2,5,73)) | |
1412 | struct Scsi_Host *host, | |
1413 | #endif | |
1414 | char *buffer, | |
1415 | char **start, | |
1416 | off_t offset, | |
1417 | int length, | |
1418 | #if !(LINUX_VERSION_CODE > KERNEL_VERSION(2,5,73)) | |
1419 | int hostno, | |
1420 | #endif | |
1421 | int inout) | |
1422 | { | |
1423 | int id; | |
1424 | char *pos = buffer; | |
1425 | int thislength; | |
1426 | int speed; | |
1427 | unsigned long flags; | |
1428 | nsp_hw_data *data; | |
1429 | #if !(LINUX_VERSION_CODE > KERNEL_VERSION(2,5,73)) | |
1430 | struct Scsi_Host *host; | |
1431 | #else | |
1432 | int hostno; | |
1433 | #endif | |
1434 | if (inout) { | |
1435 | return -EINVAL; | |
1436 | } | |
1437 | ||
1438 | #if (LINUX_VERSION_CODE > KERNEL_VERSION(2,5,73)) | |
1439 | hostno = host->host_no; | |
1440 | #else | |
1441 | /* search this HBA host */ | |
1442 | host = scsi_host_hn_get(hostno); | |
1443 | if (host == NULL) { | |
1444 | return -ESRCH; | |
1445 | } | |
1446 | #endif | |
1447 | data = (nsp_hw_data *)host->hostdata; | |
1448 | ||
1449 | ||
1450 | SPRINTF("NinjaSCSI status\n\n"); | |
1451 | SPRINTF("Driver version: $Revision: 1.23 $\n"); | |
1452 | SPRINTF("SCSI host No.: %d\n", hostno); | |
1453 | SPRINTF("IRQ: %d\n", host->irq); | |
1454 | SPRINTF("IO: 0x%lx-0x%lx\n", host->io_port, host->io_port + host->n_io_port - 1); | |
1455 | SPRINTF("MMIO(virtual address): 0x%lx-0x%lx\n", host->base, host->base + data->MmioLength - 1); | |
1456 | SPRINTF("sg_tablesize: %d\n", host->sg_tablesize); | |
1457 | ||
1458 | SPRINTF("burst transfer mode: "); | |
1459 | switch (nsp_burst_mode) { | |
1460 | case BURST_IO8: | |
1461 | SPRINTF("io8"); | |
1462 | break; | |
1463 | case BURST_IO32: | |
1464 | SPRINTF("io32"); | |
1465 | break; | |
1466 | case BURST_MEM32: | |
1467 | SPRINTF("mem32"); | |
1468 | break; | |
1469 | default: | |
1470 | SPRINTF("???"); | |
1471 | break; | |
1472 | } | |
1473 | SPRINTF("\n"); | |
1474 | ||
1475 | ||
1476 | spin_lock_irqsave(&(data->Lock), flags); | |
1477 | SPRINTF("CurrentSC: 0x%p\n\n", data->CurrentSC); | |
1478 | spin_unlock_irqrestore(&(data->Lock), flags); | |
1479 | ||
1480 | SPRINTF("SDTR status\n"); | |
1481 | for(id = 0; id < ARRAY_SIZE(data->Sync); id++) { | |
1482 | ||
1483 | SPRINTF("id %d: ", id); | |
1484 | ||
1485 | if (id == host->this_id) { | |
1486 | SPRINTF("----- NinjaSCSI-3 host adapter\n"); | |
1487 | continue; | |
1488 | } | |
1489 | ||
1490 | switch(data->Sync[id].SyncNegotiation) { | |
1491 | case SYNC_OK: | |
1492 | SPRINTF(" sync"); | |
1493 | break; | |
1494 | case SYNC_NG: | |
1495 | SPRINTF("async"); | |
1496 | break; | |
1497 | case SYNC_NOT_YET: | |
1498 | SPRINTF(" none"); | |
1499 | break; | |
1500 | default: | |
1501 | SPRINTF("?????"); | |
1502 | break; | |
1503 | } | |
1504 | ||
1505 | if (data->Sync[id].SyncPeriod != 0) { | |
1506 | speed = 1000000 / (data->Sync[id].SyncPeriod * 4); | |
1507 | ||
1508 | SPRINTF(" transfer %d.%dMB/s, offset %d", | |
1509 | speed / 1000, | |
1510 | speed % 1000, | |
1511 | data->Sync[id].SyncOffset | |
1512 | ); | |
1513 | } | |
1514 | SPRINTF("\n"); | |
1515 | } | |
1516 | ||
1517 | thislength = pos - (buffer + offset); | |
1518 | ||
1519 | if(thislength < 0) { | |
1520 | *start = NULL; | |
1521 | return 0; | |
1522 | } | |
1523 | ||
1524 | ||
1525 | thislength = min(thislength, length); | |
1526 | *start = buffer + offset; | |
1527 | ||
1528 | return thislength; | |
1529 | } | |
1530 | #undef SPRINTF | |
1531 | ||
1532 | /*---------------------------------------------------------------*/ | |
1533 | /* error handler */ | |
1534 | /*---------------------------------------------------------------*/ | |
1535 | ||
1da177e4 LT |
1536 | /* |
1537 | static int nsp_eh_abort(Scsi_Cmnd *SCpnt) | |
1538 | { | |
1539 | nsp_dbg(NSP_DEBUG_BUSRESET, "SCpnt=0x%p", SCpnt); | |
1540 | ||
1541 | return nsp_eh_bus_reset(SCpnt); | |
1542 | }*/ | |
1543 | ||
1da177e4 LT |
1544 | static int nsp_bus_reset(nsp_hw_data *data) |
1545 | { | |
1546 | unsigned int base = data->BaseAddress; | |
1547 | int i; | |
1548 | ||
1549 | nsp_write(base, IRQCONTROL, IRQCONTROL_ALLMASK); | |
1550 | ||
1551 | nsp_index_write(base, SCSIBUSCTRL, SCSI_RST); | |
1552 | mdelay(100); /* 100ms */ | |
1553 | nsp_index_write(base, SCSIBUSCTRL, 0); | |
1554 | for(i = 0; i < 5; i++) { | |
1555 | nsp_index_read(base, IRQPHASESENCE); /* dummy read */ | |
1556 | } | |
1557 | ||
1558 | nsphw_init_sync(data); | |
1559 | ||
1560 | nsp_write(base, IRQCONTROL, IRQCONTROL_ALLCLEAR); | |
1561 | ||
1562 | return SUCCESS; | |
1563 | } | |
1564 | ||
1565 | static int nsp_eh_bus_reset(Scsi_Cmnd *SCpnt) | |
1566 | { | |
1567 | nsp_hw_data *data = (nsp_hw_data *)SCpnt->device->host->hostdata; | |
1568 | ||
1569 | nsp_dbg(NSP_DEBUG_BUSRESET, "SCpnt=0x%p", SCpnt); | |
1570 | ||
1571 | return nsp_bus_reset(data); | |
1572 | } | |
1573 | ||
1574 | static int nsp_eh_host_reset(Scsi_Cmnd *SCpnt) | |
1575 | { | |
1576 | nsp_hw_data *data = (nsp_hw_data *)SCpnt->device->host->hostdata; | |
1577 | ||
1578 | nsp_dbg(NSP_DEBUG_BUSRESET, "in"); | |
1579 | ||
1580 | nsphw_init(data); | |
1581 | ||
1582 | return SUCCESS; | |
1583 | } | |
1584 | ||
1585 | ||
1586 | /********************************************************************** | |
1587 | PCMCIA functions | |
1588 | **********************************************************************/ | |
1589 | ||
1590 | /*====================================================================== | |
1591 | nsp_cs_attach() creates an "instance" of the driver, allocating | |
1592 | local data structures for one device. The device is registered | |
1593 | with Card Services. | |
1594 | ||
1595 | The dev_link structure is initialized, but we don't actually | |
1596 | configure the card at this point -- we wait until we receive a | |
1597 | card insertion event. | |
1598 | ======================================================================*/ | |
1599 | static dev_link_t *nsp_cs_attach(void) | |
1600 | { | |
1601 | scsi_info_t *info; | |
1602 | client_reg_t client_reg; | |
1603 | dev_link_t *link; | |
1604 | int ret; | |
1605 | nsp_hw_data *data = &nsp_data_base; | |
1606 | ||
1607 | nsp_dbg(NSP_DEBUG_INIT, "in"); | |
1608 | ||
1609 | /* Create new SCSI device */ | |
1610 | info = kmalloc(sizeof(*info), GFP_KERNEL); | |
1611 | if (info == NULL) { return NULL; } | |
1612 | memset(info, 0, sizeof(*info)); | |
1613 | link = &info->link; | |
1614 | link->priv = info; | |
1615 | data->ScsiInfo = info; | |
1616 | ||
1617 | nsp_dbg(NSP_DEBUG_INIT, "info=0x%p", info); | |
1618 | ||
1619 | /* The io structure describes IO port mapping */ | |
1620 | link->io.NumPorts1 = 0x10; | |
1621 | link->io.Attributes1 = IO_DATA_PATH_WIDTH_AUTO; | |
1622 | link->io.IOAddrLines = 10; /* not used */ | |
1623 | ||
1624 | /* Interrupt setup */ | |
1625 | link->irq.Attributes = IRQ_TYPE_EXCLUSIVE | IRQ_HANDLE_PRESENT; | |
1626 | link->irq.IRQInfo1 = IRQ_LEVEL_ID; | |
1627 | ||
1628 | /* Interrupt handler */ | |
1629 | link->irq.Handler = &nspintr; | |
1630 | link->irq.Instance = info; | |
1631 | link->irq.Attributes |= (SA_SHIRQ | SA_SAMPLE_RANDOM); | |
1632 | ||
1633 | /* General socket configuration */ | |
1634 | link->conf.Attributes = CONF_ENABLE_IRQ; | |
1635 | link->conf.Vcc = 50; | |
1636 | link->conf.IntType = INT_MEMORY_AND_IO; | |
1637 | link->conf.Present = PRESENT_OPTION; | |
1638 | ||
1639 | ||
1640 | /* Register with Card Services */ | |
1641 | link->next = dev_list; | |
1642 | dev_list = link; | |
1643 | client_reg.dev_info = &dev_info; | |
1da177e4 LT |
1644 | client_reg.Version = 0x0210; |
1645 | client_reg.event_callback_args.client_data = link; | |
1646 | ret = pcmcia_register_client(&link->handle, &client_reg); | |
1647 | if (ret != CS_SUCCESS) { | |
1648 | cs_error(link->handle, RegisterClient, ret); | |
1649 | nsp_cs_detach(link); | |
1650 | return NULL; | |
1651 | } | |
1652 | ||
1653 | ||
1654 | nsp_dbg(NSP_DEBUG_INIT, "link=0x%p", link); | |
1655 | return link; | |
1656 | } /* nsp_cs_attach */ | |
1657 | ||
1658 | ||
1659 | /*====================================================================== | |
1660 | This deletes a driver "instance". The device is de-registered | |
1661 | with Card Services. If it has been released, all local data | |
1662 | structures are freed. Otherwise, the structures will be freed | |
1663 | when the device is released. | |
1664 | ======================================================================*/ | |
1665 | static void nsp_cs_detach(dev_link_t *link) | |
1666 | { | |
1667 | dev_link_t **linkp; | |
1668 | ||
1669 | nsp_dbg(NSP_DEBUG_INIT, "in, link=0x%p", link); | |
1670 | ||
1671 | /* Locate device structure */ | |
1672 | for (linkp = &dev_list; *linkp; linkp = &(*linkp)->next) { | |
1673 | if (*linkp == link) { | |
1674 | break; | |
1675 | } | |
1676 | } | |
1677 | if (*linkp == NULL) { | |
1678 | return; | |
1679 | } | |
1680 | ||
1681 | if (link->state & DEV_CONFIG) | |
1682 | nsp_cs_release(link); | |
1683 | ||
1684 | /* Break the link with Card Services */ | |
1685 | if (link->handle) { | |
1686 | pcmcia_deregister_client(link->handle); | |
1687 | } | |
1688 | ||
1689 | /* Unlink device structure, free bits */ | |
1690 | *linkp = link->next; | |
1691 | kfree(link->priv); | |
1692 | link->priv = NULL; | |
1693 | ||
1694 | } /* nsp_cs_detach */ | |
1695 | ||
1696 | ||
1697 | /*====================================================================== | |
1698 | nsp_cs_config() is scheduled to run after a CARD_INSERTION event | |
1699 | is received, to configure the PCMCIA socket, and to make the | |
1700 | ethernet device available to the system. | |
1701 | ======================================================================*/ | |
1702 | #define CS_CHECK(fn, ret) \ | |
1703 | do { last_fn = (fn); if ((last_ret = (ret)) != 0) goto cs_failed; } while (0) | |
1704 | /*====================================================================*/ | |
1705 | static void nsp_cs_config(dev_link_t *link) | |
1706 | { | |
1707 | client_handle_t handle = link->handle; | |
1708 | scsi_info_t *info = link->priv; | |
1709 | tuple_t tuple; | |
1710 | cisparse_t parse; | |
1711 | int last_ret, last_fn; | |
1712 | unsigned char tuple_data[64]; | |
1713 | config_info_t conf; | |
1714 | win_req_t req; | |
1715 | memreq_t map; | |
1716 | cistpl_cftable_entry_t dflt = { 0 }; | |
1717 | struct Scsi_Host *host; | |
1718 | nsp_hw_data *data = &nsp_data_base; | |
1719 | #if !(LINUX_VERSION_CODE >= KERNEL_VERSION(2,5,74)) | |
1720 | Scsi_Device *dev; | |
1721 | dev_node_t **tail, *node; | |
1722 | #endif | |
1723 | ||
1724 | nsp_dbg(NSP_DEBUG_INIT, "in"); | |
1725 | ||
1726 | tuple.DesiredTuple = CISTPL_CONFIG; | |
1727 | tuple.Attributes = 0; | |
1728 | tuple.TupleData = tuple_data; | |
1729 | tuple.TupleDataMax = sizeof(tuple_data); | |
1730 | tuple.TupleOffset = 0; | |
1731 | CS_CHECK(GetFirstTuple, pcmcia_get_first_tuple(handle, &tuple)); | |
1732 | CS_CHECK(GetTupleData, pcmcia_get_tuple_data(handle, &tuple)); | |
1733 | CS_CHECK(ParseTuple, pcmcia_parse_tuple(handle, &tuple, &parse)); | |
1734 | link->conf.ConfigBase = parse.config.base; | |
1735 | link->conf.Present = parse.config.rmask[0]; | |
1736 | ||
1737 | /* Configure card */ | |
1738 | link->state |= DEV_CONFIG; | |
1739 | ||
1740 | /* Look up the current Vcc */ | |
1741 | CS_CHECK(GetConfigurationInfo, pcmcia_get_configuration_info(handle, &conf)); | |
1742 | link->conf.Vcc = conf.Vcc; | |
1743 | ||
1744 | tuple.DesiredTuple = CISTPL_CFTABLE_ENTRY; | |
1745 | CS_CHECK(GetFirstTuple, pcmcia_get_first_tuple(handle, &tuple)); | |
1746 | while (1) { | |
1747 | cistpl_cftable_entry_t *cfg = &(parse.cftable_entry); | |
1748 | ||
1749 | if (pcmcia_get_tuple_data(handle, &tuple) != 0 || | |
1750 | pcmcia_parse_tuple(handle, &tuple, &parse) != 0) | |
1751 | goto next_entry; | |
1752 | ||
1753 | if (cfg->flags & CISTPL_CFTABLE_DEFAULT) { dflt = *cfg; } | |
1754 | if (cfg->index == 0) { goto next_entry; } | |
1755 | link->conf.ConfigIndex = cfg->index; | |
1756 | ||
1757 | /* Does this card need audio output? */ | |
1758 | if (cfg->flags & CISTPL_CFTABLE_AUDIO) { | |
1759 | link->conf.Attributes |= CONF_ENABLE_SPKR; | |
1760 | link->conf.Status = CCSR_AUDIO_ENA; | |
1761 | } | |
1762 | ||
1763 | /* Use power settings for Vcc and Vpp if present */ | |
1764 | /* Note that the CIS values need to be rescaled */ | |
1765 | if (cfg->vcc.present & (1<<CISTPL_POWER_VNOM)) { | |
1766 | if (conf.Vcc != cfg->vcc.param[CISTPL_POWER_VNOM]/10000) { | |
1767 | goto next_entry; | |
1768 | } | |
1769 | } else if (dflt.vcc.present & (1<<CISTPL_POWER_VNOM)) { | |
1770 | if (conf.Vcc != dflt.vcc.param[CISTPL_POWER_VNOM]/10000) { | |
1771 | goto next_entry; | |
1772 | } | |
1773 | } | |
1774 | ||
1775 | if (cfg->vpp1.present & (1 << CISTPL_POWER_VNOM)) { | |
1776 | link->conf.Vpp1 = link->conf.Vpp2 = | |
1777 | cfg->vpp1.param[CISTPL_POWER_VNOM] / 10000; | |
1778 | } else if (dflt.vpp1.present & (1 << CISTPL_POWER_VNOM)) { | |
1779 | link->conf.Vpp1 = link->conf.Vpp2 = | |
1780 | dflt.vpp1.param[CISTPL_POWER_VNOM] / 10000; | |
1781 | } | |
1782 | ||
1783 | /* Do we need to allocate an interrupt? */ | |
1784 | if (cfg->irq.IRQInfo1 || dflt.irq.IRQInfo1) { | |
1785 | link->conf.Attributes |= CONF_ENABLE_IRQ; | |
1786 | } | |
1787 | ||
1788 | /* IO window settings */ | |
1789 | link->io.NumPorts1 = link->io.NumPorts2 = 0; | |
1790 | if ((cfg->io.nwin > 0) || (dflt.io.nwin > 0)) { | |
1791 | cistpl_io_t *io = (cfg->io.nwin) ? &cfg->io : &dflt.io; | |
1792 | link->io.Attributes1 = IO_DATA_PATH_WIDTH_AUTO; | |
1793 | if (!(io->flags & CISTPL_IO_8BIT)) | |
1794 | link->io.Attributes1 = IO_DATA_PATH_WIDTH_16; | |
1795 | if (!(io->flags & CISTPL_IO_16BIT)) | |
1796 | link->io.Attributes1 = IO_DATA_PATH_WIDTH_8; | |
1797 | link->io.IOAddrLines = io->flags & CISTPL_IO_LINES_MASK; | |
1798 | link->io.BasePort1 = io->win[0].base; | |
1799 | link->io.NumPorts1 = io->win[0].len; | |
1800 | if (io->nwin > 1) { | |
1801 | link->io.Attributes2 = link->io.Attributes1; | |
1802 | link->io.BasePort2 = io->win[1].base; | |
1803 | link->io.NumPorts2 = io->win[1].len; | |
1804 | } | |
1805 | /* This reserves IO space but doesn't actually enable it */ | |
1806 | if (pcmcia_request_io(link->handle, &link->io) != 0) | |
1807 | goto next_entry; | |
1808 | } | |
1809 | ||
1810 | if ((cfg->mem.nwin > 0) || (dflt.mem.nwin > 0)) { | |
1811 | cistpl_mem_t *mem = | |
1812 | (cfg->mem.nwin) ? &cfg->mem : &dflt.mem; | |
1813 | req.Attributes = WIN_DATA_WIDTH_16|WIN_MEMORY_TYPE_CM; | |
1814 | req.Attributes |= WIN_ENABLE; | |
1815 | req.Base = mem->win[0].host_addr; | |
1816 | req.Size = mem->win[0].len; | |
1817 | if (req.Size < 0x1000) { | |
1818 | req.Size = 0x1000; | |
1819 | } | |
1820 | req.AccessSpeed = 0; | |
1821 | if (pcmcia_request_window(&link->handle, &req, &link->win) != 0) | |
1822 | goto next_entry; | |
1823 | map.Page = 0; map.CardOffset = mem->win[0].card_addr; | |
1824 | if (pcmcia_map_mem_page(link->win, &map) != 0) | |
1825 | goto next_entry; | |
1826 | ||
1827 | data->MmioAddress = (unsigned long)ioremap_nocache(req.Base, req.Size); | |
1828 | data->MmioLength = req.Size; | |
1829 | } | |
1830 | /* If we got this far, we're cool! */ | |
1831 | break; | |
1832 | ||
1833 | next_entry: | |
1834 | nsp_dbg(NSP_DEBUG_INIT, "next"); | |
1835 | ||
1836 | if (link->io.NumPorts1) { | |
1837 | pcmcia_release_io(link->handle, &link->io); | |
1838 | } | |
1839 | CS_CHECK(GetNextTuple, pcmcia_get_next_tuple(handle, &tuple)); | |
1840 | } | |
1841 | ||
1842 | if (link->conf.Attributes & CONF_ENABLE_IRQ) { | |
1843 | CS_CHECK(RequestIRQ, pcmcia_request_irq(link->handle, &link->irq)); | |
1844 | } | |
1845 | CS_CHECK(RequestConfiguration, pcmcia_request_configuration(handle, &link->conf)); | |
1846 | ||
1847 | if (free_ports) { | |
1848 | if (link->io.BasePort1) { | |
1849 | release_region(link->io.BasePort1, link->io.NumPorts1); | |
1850 | } | |
1851 | if (link->io.BasePort2) { | |
1852 | release_region(link->io.BasePort2, link->io.NumPorts2); | |
1853 | } | |
1854 | } | |
1855 | ||
1856 | /* Set port and IRQ */ | |
1857 | data->BaseAddress = link->io.BasePort1; | |
1858 | data->NumAddress = link->io.NumPorts1; | |
1859 | data->IrqNumber = link->irq.AssignedIRQ; | |
1860 | ||
1861 | nsp_dbg(NSP_DEBUG_INIT, "I/O[0x%x+0x%x] IRQ %d", | |
1862 | data->BaseAddress, data->NumAddress, data->IrqNumber); | |
1863 | ||
1864 | if(nsphw_init(data) == FALSE) { | |
1865 | goto cs_failed; | |
1866 | } | |
1867 | ||
1868 | #if (LINUX_VERSION_CODE > KERNEL_VERSION(2,5,2)) | |
1869 | host = nsp_detect(&nsp_driver_template); | |
1870 | #else | |
1871 | scsi_register_host(&nsp_driver_template); | |
1872 | for (host = scsi_host_get_next(NULL); host != NULL; | |
1873 | host = scsi_host_get_next(host)) { | |
1874 | if (host->hostt == &nsp_driver_template) { | |
1875 | break; | |
1876 | } | |
1877 | } | |
1878 | #endif | |
1879 | ||
1880 | if (host == NULL) { | |
1881 | nsp_dbg(NSP_DEBUG_INIT, "detect failed"); | |
1882 | goto cs_failed; | |
1883 | } | |
1884 | ||
1885 | ||
1886 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,5,74)) | |
1887 | scsi_add_host (host, NULL); | |
1888 | scsi_scan_host(host); | |
1889 | ||
1890 | snprintf(info->node.dev_name, sizeof(info->node.dev_name), "scsi%d", host->host_no); | |
1891 | link->dev = &info->node; | |
1892 | info->host = host; | |
1893 | ||
1894 | #else | |
1895 | nsp_dbg(NSP_DEBUG_INIT, "GET_SCSI_INFO"); | |
1896 | tail = &link->dev; | |
1897 | info->ndev = 0; | |
1898 | ||
1899 | nsp_dbg(NSP_DEBUG_INIT, "host=0x%p", host); | |
1900 | ||
1901 | for (dev = host->host_queue; dev != NULL; dev = dev->next) { | |
1902 | unsigned long id; | |
1903 | id = (dev->id & 0x0f) + ((dev->lun & 0x0f) << 4) + | |
1904 | ((dev->channel & 0x0f) << 8) + | |
1905 | ((dev->host->host_no & 0x0f) << 12); | |
1906 | node = &info->node[info->ndev]; | |
1907 | node->minor = 0; | |
1908 | switch (dev->type) { | |
1909 | case TYPE_TAPE: | |
1910 | node->major = SCSI_TAPE_MAJOR; | |
1911 | snprintf(node->dev_name, sizeof(node->dev_name), "st#%04lx", id); | |
1912 | break; | |
1913 | case TYPE_DISK: | |
1914 | case TYPE_MOD: | |
1915 | node->major = SCSI_DISK0_MAJOR; | |
1916 | snprintf(node->dev_name, sizeof(node->dev_name), "sd#%04lx", id); | |
1917 | break; | |
1918 | case TYPE_ROM: | |
1919 | case TYPE_WORM: | |
1920 | node->major = SCSI_CDROM_MAJOR; | |
1921 | snprintf(node->dev_name, sizeof(node->dev_name), "sr#%04lx", id); | |
1922 | break; | |
1923 | default: | |
1924 | node->major = SCSI_GENERIC_MAJOR; | |
1925 | snprintf(node->dev_name, sizeof(node->dev_name), "sg#%04lx", id); | |
1926 | break; | |
1927 | } | |
1928 | *tail = node; tail = &node->next; | |
1929 | info->ndev++; | |
1930 | info->host = dev->host; | |
1931 | } | |
1932 | ||
1933 | *tail = NULL; | |
1934 | if (info->ndev == 0) { | |
1935 | nsp_msg(KERN_INFO, "no SCSI devices found"); | |
1936 | } | |
1937 | nsp_dbg(NSP_DEBUG_INIT, "host=0x%p", host); | |
1938 | #endif | |
1939 | ||
1940 | /* Finally, report what we've done */ | |
1941 | printk(KERN_INFO "nsp_cs: index 0x%02x: Vcc %d.%d", | |
1942 | link->conf.ConfigIndex, | |
1943 | link->conf.Vcc/10, link->conf.Vcc%10); | |
1944 | if (link->conf.Vpp1) { | |
1945 | printk(", Vpp %d.%d", link->conf.Vpp1/10, link->conf.Vpp1%10); | |
1946 | } | |
1947 | if (link->conf.Attributes & CONF_ENABLE_IRQ) { | |
1948 | printk(", irq %d", link->irq.AssignedIRQ); | |
1949 | } | |
1950 | if (link->io.NumPorts1) { | |
1951 | printk(", io 0x%04x-0x%04x", link->io.BasePort1, | |
1952 | link->io.BasePort1+link->io.NumPorts1-1); | |
1953 | } | |
1954 | if (link->io.NumPorts2) | |
1955 | printk(" & 0x%04x-0x%04x", link->io.BasePort2, | |
1956 | link->io.BasePort2+link->io.NumPorts2-1); | |
1957 | if (link->win) | |
1958 | printk(", mem 0x%06lx-0x%06lx", req.Base, | |
1959 | req.Base+req.Size-1); | |
1960 | printk("\n"); | |
1961 | ||
1962 | link->state &= ~DEV_CONFIG_PENDING; | |
1963 | return; | |
1964 | ||
1965 | cs_failed: | |
1966 | nsp_dbg(NSP_DEBUG_INIT, "config fail"); | |
1967 | cs_error(link->handle, last_fn, last_ret); | |
1968 | nsp_cs_release(link); | |
1969 | ||
1970 | return; | |
1971 | } /* nsp_cs_config */ | |
1972 | #undef CS_CHECK | |
1973 | ||
1974 | ||
1975 | /*====================================================================== | |
1976 | After a card is removed, nsp_cs_release() will unregister the net | |
1977 | device, and release the PCMCIA configuration. If the device is | |
1978 | still open, this will be postponed until it is closed. | |
1979 | ======================================================================*/ | |
1980 | static void nsp_cs_release(dev_link_t *link) | |
1981 | { | |
1982 | scsi_info_t *info = link->priv; | |
1983 | nsp_hw_data *data = NULL; | |
1984 | ||
1985 | if (info->host == NULL) { | |
1986 | nsp_msg(KERN_DEBUG, "unexpected card release call."); | |
1987 | } else { | |
1988 | data = (nsp_hw_data *)info->host->hostdata; | |
1989 | } | |
1990 | ||
1991 | nsp_dbg(NSP_DEBUG_INIT, "link=0x%p", link); | |
1992 | ||
1993 | /* Unlink the device chain */ | |
1994 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,5,2)) | |
1995 | if (info->host != NULL) { | |
1996 | scsi_remove_host(info->host); | |
1997 | } | |
1998 | #else | |
1999 | scsi_unregister_host(&nsp_driver_template); | |
2000 | #endif | |
2001 | link->dev = NULL; | |
2002 | ||
2003 | if (link->win) { | |
2004 | if (data != NULL) { | |
2005 | iounmap((void *)(data->MmioAddress)); | |
2006 | } | |
2007 | pcmcia_release_window(link->win); | |
2008 | } | |
2009 | pcmcia_release_configuration(link->handle); | |
2010 | if (link->io.NumPorts1) { | |
2011 | pcmcia_release_io(link->handle, &link->io); | |
2012 | } | |
2013 | if (link->irq.AssignedIRQ) { | |
2014 | pcmcia_release_irq(link->handle, &link->irq); | |
2015 | } | |
2016 | link->state &= ~DEV_CONFIG; | |
2017 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,5,2)) | |
2018 | if (info->host != NULL) { | |
2019 | scsi_host_put(info->host); | |
2020 | } | |
2021 | #endif | |
2022 | } /* nsp_cs_release */ | |
2023 | ||
2024 | /*====================================================================== | |
2025 | ||
2026 | The card status event handler. Mostly, this schedules other | |
2027 | stuff to run after an event is received. A CARD_REMOVAL event | |
2028 | also sets some flags to discourage the net drivers from trying | |
2029 | to talk to the card any more. | |
2030 | ||
2031 | When a CARD_REMOVAL event is received, we immediately set a flag | |
2032 | to block future accesses to this device. All the functions that | |
2033 | actually access the device should check this flag to make sure | |
2034 | the card is still present. | |
2035 | ||
2036 | ======================================================================*/ | |
2037 | static int nsp_cs_event(event_t event, | |
2038 | int priority, | |
2039 | event_callback_args_t *args) | |
2040 | { | |
2041 | dev_link_t *link = args->client_data; | |
2042 | scsi_info_t *info = link->priv; | |
2043 | nsp_hw_data *data; | |
2044 | ||
2045 | nsp_dbg(NSP_DEBUG_INIT, "in, event=0x%08x", event); | |
2046 | ||
2047 | switch (event) { | |
2048 | case CS_EVENT_CARD_REMOVAL: | |
2049 | nsp_dbg(NSP_DEBUG_INIT, "event: remove"); | |
2050 | link->state &= ~DEV_PRESENT; | |
2051 | if (link->state & DEV_CONFIG) { | |
2052 | ((scsi_info_t *)link->priv)->stop = 1; | |
2053 | nsp_cs_release(link); | |
2054 | } | |
2055 | break; | |
2056 | ||
2057 | case CS_EVENT_CARD_INSERTION: | |
2058 | nsp_dbg(NSP_DEBUG_INIT, "event: insert"); | |
2059 | link->state |= DEV_PRESENT | DEV_CONFIG_PENDING; | |
2060 | #if (LINUX_VERSION_CODE < KERNEL_VERSION(2,5,68)) | |
2061 | info->bus = args->bus; | |
2062 | #endif | |
2063 | nsp_cs_config(link); | |
2064 | break; | |
2065 | ||
2066 | case CS_EVENT_PM_SUSPEND: | |
2067 | nsp_dbg(NSP_DEBUG_INIT, "event: suspend"); | |
2068 | link->state |= DEV_SUSPEND; | |
2069 | /* Fall through... */ | |
2070 | case CS_EVENT_RESET_PHYSICAL: | |
2071 | /* Mark the device as stopped, to block IO until later */ | |
2072 | nsp_dbg(NSP_DEBUG_INIT, "event: reset physical"); | |
2073 | ||
2074 | if (info->host != NULL) { | |
2075 | nsp_msg(KERN_INFO, "clear SDTR status"); | |
2076 | ||
2077 | data = (nsp_hw_data *)info->host->hostdata; | |
2078 | ||
2079 | nsphw_init_sync(data); | |
2080 | } | |
2081 | ||
2082 | info->stop = 1; | |
2083 | if (link->state & DEV_CONFIG) { | |
2084 | pcmcia_release_configuration(link->handle); | |
2085 | } | |
2086 | break; | |
2087 | ||
2088 | case CS_EVENT_PM_RESUME: | |
2089 | nsp_dbg(NSP_DEBUG_INIT, "event: resume"); | |
2090 | link->state &= ~DEV_SUSPEND; | |
2091 | /* Fall through... */ | |
2092 | case CS_EVENT_CARD_RESET: | |
2093 | nsp_dbg(NSP_DEBUG_INIT, "event: reset"); | |
2094 | if (link->state & DEV_CONFIG) { | |
2095 | pcmcia_request_configuration(link->handle, &link->conf); | |
2096 | } | |
2097 | info->stop = 0; | |
2098 | ||
2099 | if (info->host != NULL) { | |
2100 | nsp_msg(KERN_INFO, "reset host and bus"); | |
2101 | ||
2102 | data = (nsp_hw_data *)info->host->hostdata; | |
2103 | ||
2104 | nsphw_init (data); | |
2105 | nsp_bus_reset(data); | |
2106 | } | |
2107 | ||
2108 | break; | |
2109 | ||
2110 | default: | |
2111 | nsp_dbg(NSP_DEBUG_INIT, "event: unknown"); | |
2112 | break; | |
2113 | } | |
2114 | nsp_dbg(NSP_DEBUG_INIT, "end"); | |
2115 | return 0; | |
2116 | } /* nsp_cs_event */ | |
2117 | ||
2118 | /*======================================================================* | |
2119 | * module entry point | |
2120 | *====================================================================*/ | |
2121 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,5,68)) | |
aba14100 DB |
2122 | static struct pcmcia_device_id nsp_cs_ids[] = { |
2123 | PCMCIA_DEVICE_PROD_ID123("IO DATA", "CBSC16 ", "1", 0x547e66dc, 0x0d63a3fd, 0x51de003a), | |
2124 | PCMCIA_DEVICE_PROD_ID123("KME ", "SCSI-CARD-001", "1", 0x534c02bc, 0x52008408, 0x51de003a), | |
2125 | PCMCIA_DEVICE_PROD_ID123("KME ", "SCSI-CARD-002", "1", 0x534c02bc, 0xcb09d5b2, 0x51de003a), | |
2126 | PCMCIA_DEVICE_PROD_ID123("KME ", "SCSI-CARD-003", "1", 0x534c02bc, 0xbc0ee524, 0x51de003a), | |
2127 | PCMCIA_DEVICE_PROD_ID123("KME ", "SCSI-CARD-004", "1", 0x534c02bc, 0x226a7087, 0x51de003a), | |
2128 | PCMCIA_DEVICE_PROD_ID123("WBT", "NinjaSCSI-3", "R1.0", 0xc7ba805f, 0xfdc7c97d, 0x6973710e), | |
2129 | PCMCIA_DEVICE_PROD_ID123("WORKBIT", "UltraNinja-16", "1", 0x28191418, 0xb70f4b09, 0x51de003a), | |
2130 | PCMCIA_DEVICE_NULL | |
2131 | }; | |
2132 | MODULE_DEVICE_TABLE(pcmcia, nsp_cs_ids); | |
2133 | ||
1da177e4 | 2134 | static struct pcmcia_driver nsp_driver = { |
1e212f36 DB |
2135 | .owner = THIS_MODULE, |
2136 | .drv = { | |
2137 | .name = "nsp_cs", | |
1da177e4 | 2138 | }, |
1e212f36 DB |
2139 | .attach = nsp_cs_attach, |
2140 | .event = nsp_cs_event, | |
2141 | .detach = nsp_cs_detach, | |
aba14100 | 2142 | .id_table = nsp_cs_ids, |
1da177e4 LT |
2143 | }; |
2144 | #endif | |
2145 | ||
2146 | static int __init nsp_cs_init(void) | |
2147 | { | |
2148 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,5,68)) | |
2149 | nsp_msg(KERN_INFO, "loading..."); | |
2150 | ||
2151 | return pcmcia_register_driver(&nsp_driver); | |
2152 | #else | |
2153 | servinfo_t serv; | |
2154 | ||
2155 | nsp_msg(KERN_INFO, "loading..."); | |
2156 | pcmcia_get_card_services_info(&serv); | |
2ffe6e28 PR |
2157 | if (serv.Revision != CS_RELEASE_CODE) { |
2158 | nsp_msg(KERN_DEBUG, "Card Services release does not match!"); | |
2159 | return -EINVAL; | |
2160 | } | |
1da177e4 LT |
2161 | register_pcmcia_driver(&dev_info, &nsp_cs_attach, &nsp_cs_detach); |
2162 | ||
2163 | nsp_dbg(NSP_DEBUG_INIT, "out"); | |
2164 | return 0; | |
2165 | #endif | |
2166 | } | |
2167 | ||
2168 | static void __exit nsp_cs_exit(void) | |
2169 | { | |
2170 | nsp_msg(KERN_INFO, "unloading..."); | |
2171 | ||
2172 | #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,5,68)) | |
2173 | pcmcia_unregister_driver(&nsp_driver); | |
2174 | BUG_ON(dev_list != NULL); | |
2175 | #else | |
2176 | unregister_pcmcia_driver(&dev_info); | |
2177 | /* XXX: this really needs to move into generic code.. */ | |
2178 | while (dev_list != NULL) { | |
2179 | if (dev_list->state & DEV_CONFIG) { | |
2180 | nsp_cs_release(dev_list); | |
2181 | } | |
2182 | nsp_cs_detach(dev_list); | |
2183 | } | |
2184 | #endif | |
2185 | } | |
2186 | ||
2187 | ||
2188 | module_init(nsp_cs_init) | |
2189 | module_exit(nsp_cs_exit) | |
2190 | ||
2191 | /* end */ |