nsp_cs.c revision dd00cc486ab1c17049a535413d1751ef3482141c
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/slab.h> 35#include <linux/string.h> 36#include <linux/timer.h> 37#include <linux/ioport.h> 38#include <linux/delay.h> 39#include <linux/interrupt.h> 40#include <linux/major.h> 41#include <linux/blkdev.h> 42#include <linux/stat.h> 43 44#include <asm/io.h> 45#include <asm/irq.h> 46 47#include <../drivers/scsi/scsi.h> 48#include <scsi/scsi_host.h> 49 50#include <scsi/scsi.h> 51#include <scsi/scsi_ioctl.h> 52 53#include <pcmcia/cs_types.h> 54#include <pcmcia/cs.h> 55#include <pcmcia/cistpl.h> 56#include <pcmcia/cisreg.h> 57#include <pcmcia/ds.h> 58 59#include "nsp_cs.h" 60 61MODULE_AUTHOR("YOKOTA Hiroshi <yokota@netlab.is.tsukuba.ac.jp>"); 62MODULE_DESCRIPTION("WorkBit NinjaSCSI-3 / NinjaSCSI-32Bi(16bit) PCMCIA SCSI host adapter module $Revision: 1.23 $"); 63MODULE_SUPPORTED_DEVICE("sd,sr,sg,st"); 64#ifdef MODULE_LICENSE 65MODULE_LICENSE("GPL"); 66#endif 67 68#include "nsp_io.h" 69 70/*====================================================================*/ 71/* Parameters that can be set with 'insmod' */ 72 73static int nsp_burst_mode = BURST_MEM32; 74module_param(nsp_burst_mode, int, 0); 75MODULE_PARM_DESC(nsp_burst_mode, "Burst transfer mode (0=io8, 1=io32, 2=mem32(default))"); 76 77/* Release IO ports after configuration? */ 78static int free_ports = 0; 79module_param(free_ports, bool, 0); 80MODULE_PARM_DESC(free_ports, "Release IO ports after configuration? (default: 0 (=no))"); 81 82static struct scsi_host_template nsp_driver_template = { 83 .proc_name = "nsp_cs", 84 .proc_info = nsp_proc_info, 85 .name = "WorkBit NinjaSCSI-3/32Bi(16bit)", 86#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,5,0)) 87 .detect = nsp_detect_old, 88 .release = nsp_release_old, 89#endif 90 .info = nsp_info, 91 .queuecommand = nsp_queuecommand, 92/* .eh_abort_handler = nsp_eh_abort,*/ 93 .eh_bus_reset_handler = nsp_eh_bus_reset, 94 .eh_host_reset_handler = nsp_eh_host_reset, 95 .can_queue = 1, 96 .this_id = NSP_INITIATOR_ID, 97 .sg_tablesize = SG_ALL, 98 .cmd_per_lun = 1, 99 .use_clustering = DISABLE_CLUSTERING, 100#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,5,2)) 101 .use_new_eh_code = 1, 102#endif 103}; 104 105static nsp_hw_data nsp_data_base; /* attach <-> detect glue */ 106 107 108 109/* 110 * debug, error print 111 */ 112#ifndef NSP_DEBUG 113# define NSP_DEBUG_MASK 0x000000 114# define nsp_msg(type, args...) nsp_cs_message("", 0, (type), args) 115# define nsp_dbg(mask, args...) /* */ 116#else 117# define NSP_DEBUG_MASK 0xffffff 118# define nsp_msg(type, args...) \ 119 nsp_cs_message (__FUNCTION__, __LINE__, (type), args) 120# define nsp_dbg(mask, args...) \ 121 nsp_cs_dmessage(__FUNCTION__, __LINE__, (mask), args) 122#endif 123 124#define NSP_DEBUG_QUEUECOMMAND BIT(0) 125#define NSP_DEBUG_REGISTER BIT(1) 126#define NSP_DEBUG_AUTOSCSI BIT(2) 127#define NSP_DEBUG_INTR BIT(3) 128#define NSP_DEBUG_SGLIST BIT(4) 129#define NSP_DEBUG_BUSFREE BIT(5) 130#define NSP_DEBUG_CDB_CONTENTS BIT(6) 131#define NSP_DEBUG_RESELECTION BIT(7) 132#define NSP_DEBUG_MSGINOCCUR BIT(8) 133#define NSP_DEBUG_EEPROM BIT(9) 134#define NSP_DEBUG_MSGOUTOCCUR BIT(10) 135#define NSP_DEBUG_BUSRESET BIT(11) 136#define NSP_DEBUG_RESTART BIT(12) 137#define NSP_DEBUG_SYNC BIT(13) 138#define NSP_DEBUG_WAIT BIT(14) 139#define NSP_DEBUG_TARGETFLAG BIT(15) 140#define NSP_DEBUG_PROC BIT(16) 141#define NSP_DEBUG_INIT BIT(17) 142#define NSP_DEBUG_DATA_IO BIT(18) 143#define NSP_SPECIAL_PRINT_REGISTER BIT(20) 144 145#define NSP_DEBUG_BUF_LEN 150 146 147static void nsp_cs_message(const char *func, int line, char *type, char *fmt, ...) 148{ 149 va_list args; 150 char buf[NSP_DEBUG_BUF_LEN]; 151 152 va_start(args, fmt); 153 vsnprintf(buf, sizeof(buf), fmt, args); 154 va_end(args); 155 156#ifndef NSP_DEBUG 157 printk("%snsp_cs: %s\n", type, buf); 158#else 159 printk("%snsp_cs: %s (%d): %s\n", type, func, line, buf); 160#endif 161} 162 163#ifdef NSP_DEBUG 164static void nsp_cs_dmessage(const char *func, int line, int mask, char *fmt, ...) 165{ 166 va_list args; 167 char buf[NSP_DEBUG_BUF_LEN]; 168 169 va_start(args, fmt); 170 vsnprintf(buf, sizeof(buf), fmt, args); 171 va_end(args); 172 173 if (mask & NSP_DEBUG_MASK) { 174 printk("nsp_cs-debug: 0x%x %s (%d): %s\n", mask, func, line, buf); 175 } 176} 177#endif 178 179/***********************************************************/ 180 181/*==================================================== 182 * Clenaup parameters and call done() functions. 183 * You must be set SCpnt->result before call this function. 184 */ 185static void nsp_scsi_done(struct scsi_cmnd *SCpnt) 186{ 187 nsp_hw_data *data = (nsp_hw_data *)SCpnt->device->host->hostdata; 188 189 data->CurrentSC = NULL; 190 191 SCpnt->scsi_done(SCpnt); 192} 193 194static int nsp_queuecommand(struct scsi_cmnd *SCpnt, 195 void (*done)(struct scsi_cmnd *)) 196{ 197#ifdef NSP_DEBUG 198 /*unsigned int host_id = SCpnt->device->host->this_id;*/ 199 /*unsigned int base = SCpnt->device->host->io_port;*/ 200 unsigned char target = scmd_id(SCpnt); 201#endif 202 nsp_hw_data *data = (nsp_hw_data *)SCpnt->device->host->hostdata; 203 204 nsp_dbg(NSP_DEBUG_QUEUECOMMAND, "SCpnt=0x%p target=%d lun=%d buff=0x%p bufflen=%d use_sg=%d", 205 SCpnt, target, SCpnt->device->lun, SCpnt->request_buffer, SCpnt->request_bufflen, SCpnt->use_sg); 206 //nsp_dbg(NSP_DEBUG_QUEUECOMMAND, "before CurrentSC=0x%p", data->CurrentSC); 207 208 SCpnt->scsi_done = done; 209 210 if (data->CurrentSC != NULL) { 211 nsp_msg(KERN_DEBUG, "CurrentSC!=NULL this can't be happen"); 212 SCpnt->result = DID_BAD_TARGET << 16; 213 nsp_scsi_done(SCpnt); 214 return 0; 215 } 216 217#if 0 218 /* XXX: pcmcia-cs generates SCSI command with "scsi_info" utility. 219 This makes kernel crash when suspending... */ 220 if (data->ScsiInfo->stop != 0) { 221 nsp_msg(KERN_INFO, "suspending device. reject command."); 222 SCpnt->result = DID_BAD_TARGET << 16; 223 nsp_scsi_done(SCpnt); 224 return SCSI_MLQUEUE_HOST_BUSY; 225 } 226#endif 227 228 show_command(SCpnt); 229 230 data->CurrentSC = SCpnt; 231 232 SCpnt->SCp.Status = CHECK_CONDITION; 233 SCpnt->SCp.Message = 0; 234 SCpnt->SCp.have_data_in = IO_UNKNOWN; 235 SCpnt->SCp.sent_command = 0; 236 SCpnt->SCp.phase = PH_UNDETERMINED; 237 SCpnt->resid = SCpnt->request_bufflen; 238 239 /* setup scratch area 240 SCp.ptr : buffer pointer 241 SCp.this_residual : buffer length 242 SCp.buffer : next buffer 243 SCp.buffers_residual : left buffers in list 244 SCp.phase : current state of the command */ 245 if (SCpnt->use_sg) { 246 SCpnt->SCp.buffer = (struct scatterlist *) SCpnt->request_buffer; 247 SCpnt->SCp.ptr = BUFFER_ADDR; 248 SCpnt->SCp.this_residual = SCpnt->SCp.buffer->length; 249 SCpnt->SCp.buffers_residual = SCpnt->use_sg - 1; 250 } else { 251 SCpnt->SCp.ptr = (char *) SCpnt->request_buffer; 252 SCpnt->SCp.this_residual = SCpnt->request_bufflen; 253 SCpnt->SCp.buffer = NULL; 254 SCpnt->SCp.buffers_residual = 0; 255 } 256 257 if (nsphw_start_selection(SCpnt) == FALSE) { 258 nsp_dbg(NSP_DEBUG_QUEUECOMMAND, "selection fail"); 259 SCpnt->result = DID_BUS_BUSY << 16; 260 nsp_scsi_done(SCpnt); 261 return 0; 262 } 263 264 265 //nsp_dbg(NSP_DEBUG_QUEUECOMMAND, "out"); 266#ifdef NSP_DEBUG 267 data->CmdId++; 268#endif 269 return 0; 270} 271 272/* 273 * setup PIO FIFO transfer mode and enable/disable to data out 274 */ 275static void nsp_setup_fifo(nsp_hw_data *data, int enabled) 276{ 277 unsigned int base = data->BaseAddress; 278 unsigned char transfer_mode_reg; 279 280 //nsp_dbg(NSP_DEBUG_DATA_IO, "enabled=%d", enabled); 281 282 if (enabled != FALSE) { 283 transfer_mode_reg = TRANSFER_GO | BRAIND; 284 } else { 285 transfer_mode_reg = 0; 286 } 287 288 transfer_mode_reg |= data->TransferMode; 289 290 nsp_index_write(base, TRANSFERMODE, transfer_mode_reg); 291} 292 293static void nsphw_init_sync(nsp_hw_data *data) 294{ 295 sync_data tmp_sync = { .SyncNegotiation = SYNC_NOT_YET, 296 .SyncPeriod = 0, 297 .SyncOffset = 0 298 }; 299 int i; 300 301 /* setup sync data */ 302 for ( i = 0; i < ARRAY_SIZE(data->Sync); i++ ) { 303 data->Sync[i] = tmp_sync; 304 } 305} 306 307/* 308 * Initialize Ninja hardware 309 */ 310static int nsphw_init(nsp_hw_data *data) 311{ 312 unsigned int base = data->BaseAddress; 313 314 nsp_dbg(NSP_DEBUG_INIT, "in base=0x%x", base); 315 316 data->ScsiClockDiv = CLOCK_40M | FAST_20; 317 data->CurrentSC = NULL; 318 data->FifoCount = 0; 319 data->TransferMode = MODE_IO8; 320 321 nsphw_init_sync(data); 322 323 /* block all interrupts */ 324 nsp_write(base, IRQCONTROL, IRQCONTROL_ALLMASK); 325 326 /* setup SCSI interface */ 327 nsp_write(base, IFSELECT, IF_IFSEL); 328 329 nsp_index_write(base, SCSIIRQMODE, 0); 330 331 nsp_index_write(base, TRANSFERMODE, MODE_IO8); 332 nsp_index_write(base, CLOCKDIV, data->ScsiClockDiv); 333 334 nsp_index_write(base, PARITYCTRL, 0); 335 nsp_index_write(base, POINTERCLR, POINTER_CLEAR | 336 ACK_COUNTER_CLEAR | 337 REQ_COUNTER_CLEAR | 338 HOST_COUNTER_CLEAR); 339 340 /* setup fifo asic */ 341 nsp_write(base, IFSELECT, IF_REGSEL); 342 nsp_index_write(base, TERMPWRCTRL, 0); 343 if ((nsp_index_read(base, OTHERCONTROL) & TPWR_SENSE) == 0) { 344 nsp_msg(KERN_INFO, "terminator power on"); 345 nsp_index_write(base, TERMPWRCTRL, POWER_ON); 346 } 347 348 nsp_index_write(base, TIMERCOUNT, 0); 349 nsp_index_write(base, TIMERCOUNT, 0); /* requires 2 times!! */ 350 351 nsp_index_write(base, SYNCREG, 0); 352 nsp_index_write(base, ACKWIDTH, 0); 353 354 /* enable interrupts and ack them */ 355 nsp_index_write(base, SCSIIRQMODE, SCSI_PHASE_CHANGE_EI | 356 RESELECT_EI | 357 SCSI_RESET_IRQ_EI ); 358 nsp_write(base, IRQCONTROL, IRQCONTROL_ALLCLEAR); 359 360 nsp_setup_fifo(data, FALSE); 361 362 return TRUE; 363} 364 365/* 366 * Start selection phase 367 */ 368static int nsphw_start_selection(struct scsi_cmnd *SCpnt) 369{ 370 unsigned int host_id = SCpnt->device->host->this_id; 371 unsigned int base = SCpnt->device->host->io_port; 372 unsigned char target = scmd_id(SCpnt); 373 nsp_hw_data *data = (nsp_hw_data *)SCpnt->device->host->hostdata; 374 int time_out; 375 unsigned char phase, arbit; 376 377 //nsp_dbg(NSP_DEBUG_RESELECTION, "in"); 378 379 phase = nsp_index_read(base, SCSIBUSMON); 380 if(phase != BUSMON_BUS_FREE) { 381 //nsp_dbg(NSP_DEBUG_RESELECTION, "bus busy"); 382 return FALSE; 383 } 384 385 /* start arbitration */ 386 //nsp_dbg(NSP_DEBUG_RESELECTION, "start arbit"); 387 SCpnt->SCp.phase = PH_ARBSTART; 388 nsp_index_write(base, SETARBIT, ARBIT_GO); 389 390 time_out = 1000; 391 do { 392 /* XXX: what a stupid chip! */ 393 arbit = nsp_index_read(base, ARBITSTATUS); 394 //nsp_dbg(NSP_DEBUG_RESELECTION, "arbit=%d, wait_count=%d", arbit, wait_count); 395 udelay(1); /* hold 1.2us */ 396 } while((arbit & (ARBIT_WIN | ARBIT_FAIL)) == 0 && 397 (time_out-- != 0)); 398 399 if (!(arbit & ARBIT_WIN)) { 400 //nsp_dbg(NSP_DEBUG_RESELECTION, "arbit fail"); 401 nsp_index_write(base, SETARBIT, ARBIT_FLAG_CLEAR); 402 return FALSE; 403 } 404 405 /* assert select line */ 406 //nsp_dbg(NSP_DEBUG_RESELECTION, "assert SEL line"); 407 SCpnt->SCp.phase = PH_SELSTART; 408 udelay(3); /* wait 2.4us */ 409 nsp_index_write(base, SCSIDATALATCH, BIT(host_id) | BIT(target)); 410 nsp_index_write(base, SCSIBUSCTRL, SCSI_SEL | SCSI_BSY | SCSI_ATN); 411 udelay(2); /* wait >1.2us */ 412 nsp_index_write(base, SCSIBUSCTRL, SCSI_SEL | SCSI_BSY | SCSI_DATAOUT_ENB | SCSI_ATN); 413 nsp_index_write(base, SETARBIT, ARBIT_FLAG_CLEAR); 414 /*udelay(1);*/ /* wait >90ns */ 415 nsp_index_write(base, SCSIBUSCTRL, SCSI_SEL | SCSI_DATAOUT_ENB | SCSI_ATN); 416 417 /* check selection timeout */ 418 nsp_start_timer(SCpnt, 1000/51); 419 data->SelectionTimeOut = 1; 420 421 return TRUE; 422} 423 424struct nsp_sync_table { 425 unsigned int min_period; 426 unsigned int max_period; 427 unsigned int chip_period; 428 unsigned int ack_width; 429}; 430 431static struct nsp_sync_table nsp_sync_table_40M[] = { 432 {0x0c, 0x0c, 0x1, 0}, /* 20MB 50ns*/ 433 {0x19, 0x19, 0x3, 1}, /* 10MB 100ns*/ 434 {0x1a, 0x25, 0x5, 2}, /* 7.5MB 150ns*/ 435 {0x26, 0x32, 0x7, 3}, /* 5MB 200ns*/ 436 { 0, 0, 0, 0}, 437}; 438 439static struct nsp_sync_table nsp_sync_table_20M[] = { 440 {0x19, 0x19, 0x1, 0}, /* 10MB 100ns*/ 441 {0x1a, 0x25, 0x2, 0}, /* 7.5MB 150ns*/ 442 {0x26, 0x32, 0x3, 1}, /* 5MB 200ns*/ 443 { 0, 0, 0, 0}, 444}; 445 446/* 447 * setup synchronous data transfer mode 448 */ 449static int nsp_analyze_sdtr(struct scsi_cmnd *SCpnt) 450{ 451 unsigned char target = scmd_id(SCpnt); 452// unsigned char lun = SCpnt->device->lun; 453 nsp_hw_data *data = (nsp_hw_data *)SCpnt->device->host->hostdata; 454 sync_data *sync = &(data->Sync[target]); 455 struct nsp_sync_table *sync_table; 456 unsigned int period, offset; 457 int i; 458 459 460 nsp_dbg(NSP_DEBUG_SYNC, "in"); 461 462 period = sync->SyncPeriod; 463 offset = sync->SyncOffset; 464 465 nsp_dbg(NSP_DEBUG_SYNC, "period=0x%x, offset=0x%x", period, offset); 466 467 if ((data->ScsiClockDiv & (BIT(0)|BIT(1))) == CLOCK_20M) { 468 sync_table = nsp_sync_table_20M; 469 } else { 470 sync_table = nsp_sync_table_40M; 471 } 472 473 for ( i = 0; sync_table->max_period != 0; i++, sync_table++) { 474 if ( period >= sync_table->min_period && 475 period <= sync_table->max_period ) { 476 break; 477 } 478 } 479 480 if (period != 0 && sync_table->max_period == 0) { 481 /* 482 * No proper period/offset found 483 */ 484 nsp_dbg(NSP_DEBUG_SYNC, "no proper period/offset"); 485 486 sync->SyncPeriod = 0; 487 sync->SyncOffset = 0; 488 sync->SyncRegister = 0; 489 sync->AckWidth = 0; 490 491 return FALSE; 492 } 493 494 sync->SyncRegister = (sync_table->chip_period << SYNCREG_PERIOD_SHIFT) | 495 (offset & SYNCREG_OFFSET_MASK); 496 sync->AckWidth = sync_table->ack_width; 497 498 nsp_dbg(NSP_DEBUG_SYNC, "sync_reg=0x%x, ack_width=0x%x", sync->SyncRegister, sync->AckWidth); 499 500 return TRUE; 501} 502 503 504/* 505 * start ninja hardware timer 506 */ 507static void nsp_start_timer(struct scsi_cmnd *SCpnt, int time) 508{ 509 unsigned int base = SCpnt->device->host->io_port; 510 nsp_hw_data *data = (nsp_hw_data *)SCpnt->device->host->hostdata; 511 512 //nsp_dbg(NSP_DEBUG_INTR, "in SCpnt=0x%p, time=%d", SCpnt, time); 513 data->TimerCount = time; 514 nsp_index_write(base, TIMERCOUNT, time); 515} 516 517/* 518 * wait for bus phase change 519 */ 520static int nsp_negate_signal(struct scsi_cmnd *SCpnt, unsigned char mask, 521 char *str) 522{ 523 unsigned int base = SCpnt->device->host->io_port; 524 unsigned char reg; 525 int time_out; 526 527 //nsp_dbg(NSP_DEBUG_INTR, "in"); 528 529 time_out = 100; 530 531 do { 532 reg = nsp_index_read(base, SCSIBUSMON); 533 if (reg == 0xff) { 534 break; 535 } 536 } while ((time_out-- != 0) && (reg & mask) != 0); 537 538 if (time_out == 0) { 539 nsp_msg(KERN_DEBUG, " %s signal off timeut", str); 540 } 541 542 return 0; 543} 544 545/* 546 * expect Ninja Irq 547 */ 548static int nsp_expect_signal(struct scsi_cmnd *SCpnt, 549 unsigned char current_phase, 550 unsigned char mask) 551{ 552 unsigned int base = SCpnt->device->host->io_port; 553 int time_out; 554 unsigned char phase, i_src; 555 556 //nsp_dbg(NSP_DEBUG_INTR, "current_phase=0x%x, mask=0x%x", current_phase, mask); 557 558 time_out = 100; 559 do { 560 phase = nsp_index_read(base, SCSIBUSMON); 561 if (phase == 0xff) { 562 //nsp_dbg(NSP_DEBUG_INTR, "ret -1"); 563 return -1; 564 } 565 i_src = nsp_read(base, IRQSTATUS); 566 if (i_src & IRQSTATUS_SCSI) { 567 //nsp_dbg(NSP_DEBUG_INTR, "ret 0 found scsi signal"); 568 return 0; 569 } 570 if ((phase & mask) != 0 && (phase & BUSMON_PHASE_MASK) == current_phase) { 571 //nsp_dbg(NSP_DEBUG_INTR, "ret 1 phase=0x%x", phase); 572 return 1; 573 } 574 } while(time_out-- != 0); 575 576 //nsp_dbg(NSP_DEBUG_INTR, "timeout"); 577 return -1; 578} 579 580/* 581 * transfer SCSI message 582 */ 583static int nsp_xfer(struct scsi_cmnd *SCpnt, int phase) 584{ 585 unsigned int base = SCpnt->device->host->io_port; 586 nsp_hw_data *data = (nsp_hw_data *)SCpnt->device->host->hostdata; 587 char *buf = data->MsgBuffer; 588 int len = min(MSGBUF_SIZE, data->MsgLen); 589 int ptr; 590 int ret; 591 592 //nsp_dbg(NSP_DEBUG_DATA_IO, "in"); 593 for (ptr = 0; len > 0; len--, ptr++) { 594 595 ret = nsp_expect_signal(SCpnt, phase, BUSMON_REQ); 596 if (ret <= 0) { 597 nsp_dbg(NSP_DEBUG_DATA_IO, "xfer quit"); 598 return 0; 599 } 600 601 /* if last byte, negate ATN */ 602 if (len == 1 && SCpnt->SCp.phase == PH_MSG_OUT) { 603 nsp_index_write(base, SCSIBUSCTRL, AUTODIRECTION | ACKENB); 604 } 605 606 /* read & write message */ 607 if (phase & BUSMON_IO) { 608 nsp_dbg(NSP_DEBUG_DATA_IO, "read msg"); 609 buf[ptr] = nsp_index_read(base, SCSIDATAWITHACK); 610 } else { 611 nsp_dbg(NSP_DEBUG_DATA_IO, "write msg"); 612 nsp_index_write(base, SCSIDATAWITHACK, buf[ptr]); 613 } 614 nsp_negate_signal(SCpnt, BUSMON_ACK, "xfer<ack>"); 615 616 } 617 return len; 618} 619 620/* 621 * get extra SCSI data from fifo 622 */ 623static int nsp_dataphase_bypass(struct scsi_cmnd *SCpnt) 624{ 625 nsp_hw_data *data = (nsp_hw_data *)SCpnt->device->host->hostdata; 626 unsigned int count; 627 628 //nsp_dbg(NSP_DEBUG_DATA_IO, "in"); 629 630 if (SCpnt->SCp.have_data_in != IO_IN) { 631 return 0; 632 } 633 634 count = nsp_fifo_count(SCpnt); 635 if (data->FifoCount == count) { 636 //nsp_dbg(NSP_DEBUG_DATA_IO, "not use bypass quirk"); 637 return 0; 638 } 639 640 /* 641 * XXX: NSP_QUIRK 642 * data phase skip only occures in case of SCSI_LOW_READ 643 */ 644 nsp_dbg(NSP_DEBUG_DATA_IO, "use bypass quirk"); 645 SCpnt->SCp.phase = PH_DATA; 646 nsp_pio_read(SCpnt); 647 nsp_setup_fifo(data, FALSE); 648 649 return 0; 650} 651 652/* 653 * accept reselection 654 */ 655static int nsp_reselected(struct scsi_cmnd *SCpnt) 656{ 657 unsigned int base = SCpnt->device->host->io_port; 658 unsigned int host_id = SCpnt->device->host->this_id; 659 //nsp_hw_data *data = (nsp_hw_data *)SCpnt->device->host->hostdata; 660 unsigned char bus_reg; 661 unsigned char id_reg, tmp; 662 int target; 663 664 nsp_dbg(NSP_DEBUG_RESELECTION, "in"); 665 666 id_reg = nsp_index_read(base, RESELECTID); 667 tmp = id_reg & (~BIT(host_id)); 668 target = 0; 669 while(tmp != 0) { 670 if (tmp & BIT(0)) { 671 break; 672 } 673 tmp >>= 1; 674 target++; 675 } 676 677 if (scmd_id(SCpnt) != target) { 678 nsp_msg(KERN_ERR, "XXX: reselect ID must be %d in this implementation.", target); 679 } 680 681 nsp_negate_signal(SCpnt, BUSMON_SEL, "reselect<SEL>"); 682 683 nsp_nexus(SCpnt); 684 bus_reg = nsp_index_read(base, SCSIBUSCTRL) & ~(SCSI_BSY | SCSI_ATN); 685 nsp_index_write(base, SCSIBUSCTRL, bus_reg); 686 nsp_index_write(base, SCSIBUSCTRL, bus_reg | AUTODIRECTION | ACKENB); 687 688 return TRUE; 689} 690 691/* 692 * count how many data transferd 693 */ 694static int nsp_fifo_count(struct scsi_cmnd *SCpnt) 695{ 696 unsigned int base = SCpnt->device->host->io_port; 697 unsigned int count; 698 unsigned int l, m, h, dummy; 699 700 nsp_index_write(base, POINTERCLR, POINTER_CLEAR | ACK_COUNTER); 701 702 l = nsp_index_read(base, TRANSFERCOUNT); 703 m = nsp_index_read(base, TRANSFERCOUNT); 704 h = nsp_index_read(base, TRANSFERCOUNT); 705 dummy = nsp_index_read(base, TRANSFERCOUNT); /* required this! */ 706 707 count = (h << 16) | (m << 8) | (l << 0); 708 709 //nsp_dbg(NSP_DEBUG_DATA_IO, "count=0x%x", count); 710 711 return count; 712} 713 714/* fifo size */ 715#define RFIFO_CRIT 64 716#define WFIFO_CRIT 64 717 718/* 719 * read data in DATA IN phase 720 */ 721static void nsp_pio_read(struct scsi_cmnd *SCpnt) 722{ 723 unsigned int base = SCpnt->device->host->io_port; 724 unsigned long mmio_base = SCpnt->device->host->base; 725 nsp_hw_data *data = (nsp_hw_data *)SCpnt->device->host->hostdata; 726 long time_out; 727 int ocount, res; 728 unsigned char stat, fifo_stat; 729 730 ocount = data->FifoCount; 731 732 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", 733 SCpnt, SCpnt->resid, ocount, SCpnt->SCp.ptr, SCpnt->SCp.this_residual, SCpnt->SCp.buffer, SCpnt->SCp.buffers_residual); 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 } 782 783 SCpnt->resid -= res; 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", 807 SCpnt->resid, SCpnt->SCp.this_residual, SCpnt->SCp.buffers_residual); 808 } 809 nsp_dbg(NSP_DEBUG_DATA_IO, "read ocount=0x%x", ocount); 810 nsp_dbg(NSP_DEBUG_DATA_IO, "r cmd=%d resid=0x%x\n", data->CmdId, SCpnt->resid); 811} 812 813/* 814 * write data in DATA OUT phase 815 */ 816static void nsp_pio_write(struct scsi_cmnd *SCpnt) 817{ 818 unsigned int base = SCpnt->device->host->io_port; 819 unsigned long mmio_base = SCpnt->device->host->base; 820 nsp_hw_data *data = (nsp_hw_data *)SCpnt->device->host->hostdata; 821 int time_out; 822 int ocount, res; 823 unsigned char stat; 824 825 ocount = data->FifoCount; 826 827 nsp_dbg(NSP_DEBUG_DATA_IO, "in fifocount=%d ptr=0x%p this_residual=%d buffers=0x%p nbuf=%d resid=0x%x", 828 data->FifoCount, SCpnt->SCp.ptr, SCpnt->SCp.this_residual, SCpnt->SCp.buffer, SCpnt->SCp.buffers_residual, SCpnt->resid); 829 830 time_out = 1000; 831 832 while ((time_out-- != 0) && 833 (SCpnt->SCp.this_residual > 0 || SCpnt->SCp.buffers_residual > 0)) { 834 stat = nsp_index_read(base, SCSIBUSMON); 835 stat &= BUSMON_PHASE_MASK; 836 837 if (stat != BUSPHASE_DATA_OUT) { 838 res = ocount - nsp_fifo_count(SCpnt); 839 840 nsp_dbg(NSP_DEBUG_DATA_IO, "phase changed stat=0x%x, res=%d\n", stat, res); 841 /* Put back pointer */ 842 SCpnt->resid += res; 843 SCpnt->SCp.ptr -= res; 844 SCpnt->SCp.this_residual += res; 845 ocount -= res; 846 847 break; 848 } 849 850 res = ocount - nsp_fifo_count(SCpnt); 851 if (res > 0) { /* write all data? */ 852 nsp_dbg(NSP_DEBUG_DATA_IO, "wait for all data out. ocount=0x%x res=%d", ocount, res); 853 continue; 854 } 855 856 res = min(SCpnt->SCp.this_residual, WFIFO_CRIT); 857 858 //nsp_dbg(NSP_DEBUG_DATA_IO, "ptr=0x%p this=0x%x res=0x%x", SCpnt->SCp.ptr, SCpnt->SCp.this_residual, res); 859 switch (data->TransferMode) { 860 case MODE_IO32: 861 res &= ~(BIT(1)|BIT(0)); /* align 4 */ 862 nsp_fifo32_write(base, SCpnt->SCp.ptr, res >> 2); 863 break; 864 case MODE_IO8: 865 nsp_fifo8_write (base, SCpnt->SCp.ptr, res ); 866 break; 867 868 case MODE_MEM32: 869 res &= ~(BIT(1)|BIT(0)); /* align 4 */ 870 nsp_mmio_fifo32_write(mmio_base, SCpnt->SCp.ptr, res >> 2); 871 break; 872 873 default: 874 nsp_dbg(NSP_DEBUG_DATA_IO, "unknown write mode"); 875 break; 876 } 877 878 SCpnt->resid -= res; 879 SCpnt->SCp.ptr += res; 880 SCpnt->SCp.this_residual -= res; 881 ocount += res; 882 883 /* go to next scatter list if available */ 884 if (SCpnt->SCp.this_residual == 0 && 885 SCpnt->SCp.buffers_residual != 0 ) { 886 //nsp_dbg(NSP_DEBUG_DATA_IO, "scatterlist next"); 887 SCpnt->SCp.buffers_residual--; 888 SCpnt->SCp.buffer++; 889 SCpnt->SCp.ptr = BUFFER_ADDR; 890 SCpnt->SCp.this_residual = SCpnt->SCp.buffer->length; 891 time_out = 1000; 892 } 893 } 894 895 data->FifoCount = ocount; 896 897 if (time_out == 0) { 898 nsp_msg(KERN_DEBUG, "pio write timeout resid=0x%x", SCpnt->resid); 899 } 900 nsp_dbg(NSP_DEBUG_DATA_IO, "write ocount=0x%x", ocount); 901 nsp_dbg(NSP_DEBUG_DATA_IO, "w cmd=%d resid=0x%x\n", data->CmdId, SCpnt->resid); 902} 903#undef RFIFO_CRIT 904#undef WFIFO_CRIT 905 906/* 907 * setup synchronous/asynchronous data transfer mode 908 */ 909static int nsp_nexus(struct scsi_cmnd *SCpnt) 910{ 911 unsigned int base = SCpnt->device->host->io_port; 912 unsigned char target = scmd_id(SCpnt); 913// unsigned char lun = SCpnt->device->lun; 914 nsp_hw_data *data = (nsp_hw_data *)SCpnt->device->host->hostdata; 915 sync_data *sync = &(data->Sync[target]); 916 917 //nsp_dbg(NSP_DEBUG_DATA_IO, "in SCpnt=0x%p", SCpnt); 918 919 /* setup synch transfer registers */ 920 nsp_index_write(base, SYNCREG, sync->SyncRegister); 921 nsp_index_write(base, ACKWIDTH, sync->AckWidth); 922 923 if (SCpnt->use_sg == 0 || 924 SCpnt->resid % 4 != 0 || 925 SCpnt->resid <= PAGE_SIZE ) { 926 data->TransferMode = MODE_IO8; 927 } else if (nsp_burst_mode == BURST_MEM32) { 928 data->TransferMode = MODE_MEM32; 929 } else if (nsp_burst_mode == BURST_IO32) { 930 data->TransferMode = MODE_IO32; 931 } else { 932 data->TransferMode = MODE_IO8; 933 } 934 935 /* setup pdma fifo */ 936 nsp_setup_fifo(data, TRUE); 937 938 /* clear ack counter */ 939 data->FifoCount = 0; 940 nsp_index_write(base, POINTERCLR, POINTER_CLEAR | 941 ACK_COUNTER_CLEAR | 942 REQ_COUNTER_CLEAR | 943 HOST_COUNTER_CLEAR); 944 945 return 0; 946} 947 948#include "nsp_message.c" 949/* 950 * interrupt handler 951 */ 952static irqreturn_t nspintr(int irq, void *dev_id) 953{ 954 unsigned int base; 955 unsigned char irq_status, irq_phase, phase; 956 struct scsi_cmnd *tmpSC; 957 unsigned char target, lun; 958 unsigned int *sync_neg; 959 int i, tmp; 960 nsp_hw_data *data; 961 962 963 //nsp_dbg(NSP_DEBUG_INTR, "dev_id=0x%p", dev_id); 964 //nsp_dbg(NSP_DEBUG_INTR, "host=0x%p", ((scsi_info_t *)dev_id)->host); 965 966 if ( dev_id != NULL && 967 ((scsi_info_t *)dev_id)->host != NULL ) { 968 scsi_info_t *info = (scsi_info_t *)dev_id; 969 970 data = (nsp_hw_data *)info->host->hostdata; 971 } else { 972 nsp_dbg(NSP_DEBUG_INTR, "host data wrong"); 973 return IRQ_NONE; 974 } 975 976 //nsp_dbg(NSP_DEBUG_INTR, "&nsp_data_base=0x%p, dev_id=0x%p", &nsp_data_base, dev_id); 977 978 base = data->BaseAddress; 979 //nsp_dbg(NSP_DEBUG_INTR, "base=0x%x", base); 980 981 /* 982 * interrupt check 983 */ 984 nsp_write(base, IRQCONTROL, IRQCONTROL_IRQDISABLE); 985 irq_status = nsp_read(base, IRQSTATUS); 986 //nsp_dbg(NSP_DEBUG_INTR, "irq_status=0x%x", irq_status); 987 if ((irq_status == 0xff) || ((irq_status & IRQSTATUS_MASK) == 0)) { 988 nsp_write(base, IRQCONTROL, 0); 989 //nsp_dbg(NSP_DEBUG_INTR, "no irq/shared irq"); 990 return IRQ_NONE; 991 } 992 993 /* XXX: IMPORTANT 994 * Do not read an irq_phase register if no scsi phase interrupt. 995 * Unless, you should lose a scsi phase interrupt. 996 */ 997 phase = nsp_index_read(base, SCSIBUSMON); 998 if((irq_status & IRQSTATUS_SCSI) != 0) { 999 irq_phase = nsp_index_read(base, IRQPHASESENCE); 1000 } else { 1001 irq_phase = 0; 1002 } 1003 1004 //nsp_dbg(NSP_DEBUG_INTR, "irq_phase=0x%x", irq_phase); 1005 1006 /* 1007 * timer interrupt handler (scsi vs timer interrupts) 1008 */ 1009 //nsp_dbg(NSP_DEBUG_INTR, "timercount=%d", data->TimerCount); 1010 if (data->TimerCount != 0) { 1011 //nsp_dbg(NSP_DEBUG_INTR, "stop timer"); 1012 nsp_index_write(base, TIMERCOUNT, 0); 1013 nsp_index_write(base, TIMERCOUNT, 0); 1014 data->TimerCount = 0; 1015 } 1016 1017 if ((irq_status & IRQSTATUS_MASK) == IRQSTATUS_TIMER && 1018 data->SelectionTimeOut == 0) { 1019 //nsp_dbg(NSP_DEBUG_INTR, "timer start"); 1020 nsp_write(base, IRQCONTROL, IRQCONTROL_TIMER_CLEAR); 1021 return IRQ_HANDLED; 1022 } 1023 1024 nsp_write(base, IRQCONTROL, IRQCONTROL_TIMER_CLEAR | IRQCONTROL_FIFO_CLEAR); 1025 1026 if ((irq_status & IRQSTATUS_SCSI) && 1027 (irq_phase & SCSI_RESET_IRQ)) { 1028 nsp_msg(KERN_ERR, "bus reset (power off?)"); 1029 1030 nsphw_init(data); 1031 nsp_bus_reset(data); 1032 1033 if(data->CurrentSC != NULL) { 1034 tmpSC = data->CurrentSC; 1035 tmpSC->result = (DID_RESET << 16) | 1036 ((tmpSC->SCp.Message & 0xff) << 8) | 1037 ((tmpSC->SCp.Status & 0xff) << 0); 1038 nsp_scsi_done(tmpSC); 1039 } 1040 return IRQ_HANDLED; 1041 } 1042 1043 if (data->CurrentSC == NULL) { 1044 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); 1045 nsphw_init(data); 1046 nsp_bus_reset(data); 1047 return IRQ_HANDLED; 1048 } 1049 1050 tmpSC = data->CurrentSC; 1051 target = tmpSC->device->id; 1052 lun = tmpSC->device->lun; 1053 sync_neg = &(data->Sync[target].SyncNegotiation); 1054 1055 /* 1056 * parse hardware SCSI irq reasons register 1057 */ 1058 if (irq_status & IRQSTATUS_SCSI) { 1059 if (irq_phase & RESELECT_IRQ) { 1060 nsp_dbg(NSP_DEBUG_INTR, "reselect"); 1061 nsp_write(base, IRQCONTROL, IRQCONTROL_RESELECT_CLEAR); 1062 if (nsp_reselected(tmpSC) != FALSE) { 1063 return IRQ_HANDLED; 1064 } 1065 } 1066 1067 if ((irq_phase & (PHASE_CHANGE_IRQ | LATCHED_BUS_FREE)) == 0) { 1068 return IRQ_HANDLED; 1069 } 1070 } 1071 1072 //show_phase(tmpSC); 1073 1074 switch(tmpSC->SCp.phase) { 1075 case PH_SELSTART: 1076 // *sync_neg = SYNC_NOT_YET; 1077 if ((phase & BUSMON_BSY) == 0) { 1078 //nsp_dbg(NSP_DEBUG_INTR, "selection count=%d", data->SelectionTimeOut); 1079 if (data->SelectionTimeOut >= NSP_SELTIMEOUT) { 1080 nsp_dbg(NSP_DEBUG_INTR, "selection time out"); 1081 data->SelectionTimeOut = 0; 1082 nsp_index_write(base, SCSIBUSCTRL, 0); 1083 1084 tmpSC->result = DID_TIME_OUT << 16; 1085 nsp_scsi_done(tmpSC); 1086 1087 return IRQ_HANDLED; 1088 } 1089 data->SelectionTimeOut += 1; 1090 nsp_start_timer(tmpSC, 1000/51); 1091 return IRQ_HANDLED; 1092 } 1093 1094 /* attention assert */ 1095 //nsp_dbg(NSP_DEBUG_INTR, "attention assert"); 1096 data->SelectionTimeOut = 0; 1097 tmpSC->SCp.phase = PH_SELECTED; 1098 nsp_index_write(base, SCSIBUSCTRL, SCSI_ATN); 1099 udelay(1); 1100 nsp_index_write(base, SCSIBUSCTRL, SCSI_ATN | AUTODIRECTION | ACKENB); 1101 return IRQ_HANDLED; 1102 1103 break; 1104 1105 case PH_RESELECT: 1106 //nsp_dbg(NSP_DEBUG_INTR, "phase reselect"); 1107 // *sync_neg = SYNC_NOT_YET; 1108 if ((phase & BUSMON_PHASE_MASK) != BUSPHASE_MESSAGE_IN) { 1109 1110 tmpSC->result = DID_ABORT << 16; 1111 nsp_scsi_done(tmpSC); 1112 return IRQ_HANDLED; 1113 } 1114 /* fall thru */ 1115 default: 1116 if ((irq_status & (IRQSTATUS_SCSI | IRQSTATUS_FIFO)) == 0) { 1117 return IRQ_HANDLED; 1118 } 1119 break; 1120 } 1121 1122 /* 1123 * SCSI sequencer 1124 */ 1125 //nsp_dbg(NSP_DEBUG_INTR, "start scsi seq"); 1126 1127 /* normal disconnect */ 1128 if (((tmpSC->SCp.phase == PH_MSG_IN) || (tmpSC->SCp.phase == PH_MSG_OUT)) && 1129 (irq_phase & LATCHED_BUS_FREE) != 0 ) { 1130 nsp_dbg(NSP_DEBUG_INTR, "normal disconnect irq_status=0x%x, phase=0x%x, irq_phase=0x%x", irq_status, phase, irq_phase); 1131 1132 //*sync_neg = SYNC_NOT_YET; 1133 1134 if ((tmpSC->SCp.Message == MSG_COMMAND_COMPLETE)) { /* all command complete and return status */ 1135 tmpSC->result = (DID_OK << 16) | 1136 ((tmpSC->SCp.Message & 0xff) << 8) | 1137 ((tmpSC->SCp.Status & 0xff) << 0); 1138 nsp_dbg(NSP_DEBUG_INTR, "command complete result=0x%x", tmpSC->result); 1139 nsp_scsi_done(tmpSC); 1140 1141 return IRQ_HANDLED; 1142 } 1143 1144 return IRQ_HANDLED; 1145 } 1146 1147 1148 /* check unexpected bus free state */ 1149 if (phase == 0) { 1150 nsp_msg(KERN_DEBUG, "unexpected bus free. irq_status=0x%x, phase=0x%x, irq_phase=0x%x", irq_status, phase, irq_phase); 1151 1152 *sync_neg = SYNC_NG; 1153 tmpSC->result = DID_ERROR << 16; 1154 nsp_scsi_done(tmpSC); 1155 return IRQ_HANDLED; 1156 } 1157 1158 switch (phase & BUSMON_PHASE_MASK) { 1159 case BUSPHASE_COMMAND: 1160 nsp_dbg(NSP_DEBUG_INTR, "BUSPHASE_COMMAND"); 1161 if ((phase & BUSMON_REQ) == 0) { 1162 nsp_dbg(NSP_DEBUG_INTR, "REQ == 0"); 1163 return IRQ_HANDLED; 1164 } 1165 1166 tmpSC->SCp.phase = PH_COMMAND; 1167 1168 nsp_nexus(tmpSC); 1169 1170 /* write scsi command */ 1171 nsp_dbg(NSP_DEBUG_INTR, "cmd_len=%d", tmpSC->cmd_len); 1172 nsp_index_write(base, COMMANDCTRL, CLEAR_COMMAND_POINTER); 1173 for (i = 0; i < tmpSC->cmd_len; i++) { 1174 nsp_index_write(base, COMMANDDATA, tmpSC->cmnd[i]); 1175 } 1176 nsp_index_write(base, COMMANDCTRL, CLEAR_COMMAND_POINTER | AUTO_COMMAND_GO); 1177 break; 1178 1179 case BUSPHASE_DATA_OUT: 1180 nsp_dbg(NSP_DEBUG_INTR, "BUSPHASE_DATA_OUT"); 1181 1182 tmpSC->SCp.phase = PH_DATA; 1183 tmpSC->SCp.have_data_in = IO_OUT; 1184 1185 nsp_pio_write(tmpSC); 1186 1187 break; 1188 1189 case BUSPHASE_DATA_IN: 1190 nsp_dbg(NSP_DEBUG_INTR, "BUSPHASE_DATA_IN"); 1191 1192 tmpSC->SCp.phase = PH_DATA; 1193 tmpSC->SCp.have_data_in = IO_IN; 1194 1195 nsp_pio_read(tmpSC); 1196 1197 break; 1198 1199 case BUSPHASE_STATUS: 1200 nsp_dataphase_bypass(tmpSC); 1201 nsp_dbg(NSP_DEBUG_INTR, "BUSPHASE_STATUS"); 1202 1203 tmpSC->SCp.phase = PH_STATUS; 1204 1205 tmpSC->SCp.Status = nsp_index_read(base, SCSIDATAWITHACK); 1206 nsp_dbg(NSP_DEBUG_INTR, "message=0x%x status=0x%x", tmpSC->SCp.Message, tmpSC->SCp.Status); 1207 1208 break; 1209 1210 case BUSPHASE_MESSAGE_OUT: 1211 nsp_dbg(NSP_DEBUG_INTR, "BUSPHASE_MESSAGE_OUT"); 1212 if ((phase & BUSMON_REQ) == 0) { 1213 goto timer_out; 1214 } 1215 1216 tmpSC->SCp.phase = PH_MSG_OUT; 1217 1218 //*sync_neg = SYNC_NOT_YET; 1219 1220 data->MsgLen = i = 0; 1221 data->MsgBuffer[i] = IDENTIFY(TRUE, lun); i++; 1222 1223 if (*sync_neg == SYNC_NOT_YET) { 1224 data->Sync[target].SyncPeriod = 0; 1225 data->Sync[target].SyncOffset = 0; 1226 1227 /**/ 1228 data->MsgBuffer[i] = MSG_EXTENDED; i++; 1229 data->MsgBuffer[i] = 3; i++; 1230 data->MsgBuffer[i] = MSG_EXT_SDTR; i++; 1231 data->MsgBuffer[i] = 0x0c; i++; 1232 data->MsgBuffer[i] = 15; i++; 1233 /**/ 1234 } 1235 data->MsgLen = i; 1236 1237 nsp_analyze_sdtr(tmpSC); 1238 show_message(data); 1239 nsp_message_out(tmpSC); 1240 break; 1241 1242 case BUSPHASE_MESSAGE_IN: 1243 nsp_dataphase_bypass(tmpSC); 1244 nsp_dbg(NSP_DEBUG_INTR, "BUSPHASE_MESSAGE_IN"); 1245 if ((phase & BUSMON_REQ) == 0) { 1246 goto timer_out; 1247 } 1248 1249 tmpSC->SCp.phase = PH_MSG_IN; 1250 nsp_message_in(tmpSC); 1251 1252 /**/ 1253 if (*sync_neg == SYNC_NOT_YET) { 1254 //nsp_dbg(NSP_DEBUG_INTR, "sync target=%d,lun=%d",target,lun); 1255 1256 if (data->MsgLen >= 5 && 1257 data->MsgBuffer[0] == MSG_EXTENDED && 1258 data->MsgBuffer[1] == 3 && 1259 data->MsgBuffer[2] == MSG_EXT_SDTR ) { 1260 data->Sync[target].SyncPeriod = data->MsgBuffer[3]; 1261 data->Sync[target].SyncOffset = data->MsgBuffer[4]; 1262 //nsp_dbg(NSP_DEBUG_INTR, "sync ok, %d %d", data->MsgBuffer[3], data->MsgBuffer[4]); 1263 *sync_neg = SYNC_OK; 1264 } else { 1265 data->Sync[target].SyncPeriod = 0; 1266 data->Sync[target].SyncOffset = 0; 1267 *sync_neg = SYNC_NG; 1268 } 1269 nsp_analyze_sdtr(tmpSC); 1270 } 1271 /**/ 1272 1273 /* search last messeage byte */ 1274 tmp = -1; 1275 for (i = 0; i < data->MsgLen; i++) { 1276 tmp = data->MsgBuffer[i]; 1277 if (data->MsgBuffer[i] == MSG_EXTENDED) { 1278 i += (1 + data->MsgBuffer[i+1]); 1279 } 1280 } 1281 tmpSC->SCp.Message = tmp; 1282 1283 nsp_dbg(NSP_DEBUG_INTR, "message=0x%x len=%d", tmpSC->SCp.Message, data->MsgLen); 1284 show_message(data); 1285 1286 break; 1287 1288 case BUSPHASE_SELECT: 1289 default: 1290 nsp_dbg(NSP_DEBUG_INTR, "BUSPHASE other"); 1291 1292 break; 1293 } 1294 1295 //nsp_dbg(NSP_DEBUG_INTR, "out"); 1296 return IRQ_HANDLED; 1297 1298timer_out: 1299 nsp_start_timer(tmpSC, 1000/102); 1300 return IRQ_HANDLED; 1301} 1302 1303#ifdef NSP_DEBUG 1304#include "nsp_debug.c" 1305#endif /* NSP_DEBUG */ 1306 1307/*----------------------------------------------------------------*/ 1308/* look for ninja3 card and init if found */ 1309/*----------------------------------------------------------------*/ 1310static struct Scsi_Host *nsp_detect(struct scsi_host_template *sht) 1311{ 1312 struct Scsi_Host *host; /* registered host structure */ 1313 nsp_hw_data *data_b = &nsp_data_base, *data; 1314 1315 nsp_dbg(NSP_DEBUG_INIT, "this_id=%d", sht->this_id); 1316#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,5,73)) 1317 host = scsi_host_alloc(&nsp_driver_template, sizeof(nsp_hw_data)); 1318#else 1319 host = scsi_register(sht, sizeof(nsp_hw_data)); 1320#endif 1321 if (host == NULL) { 1322 nsp_dbg(NSP_DEBUG_INIT, "host failed"); 1323 return NULL; 1324 } 1325 1326 memcpy(host->hostdata, data_b, sizeof(nsp_hw_data)); 1327 data = (nsp_hw_data *)host->hostdata; 1328 data->ScsiInfo->host = host; 1329#ifdef NSP_DEBUG 1330 data->CmdId = 0; 1331#endif 1332 1333 nsp_dbg(NSP_DEBUG_INIT, "irq=%d,%d", data_b->IrqNumber, ((nsp_hw_data *)host->hostdata)->IrqNumber); 1334 1335 host->unique_id = data->BaseAddress; 1336 host->io_port = data->BaseAddress; 1337 host->n_io_port = data->NumAddress; 1338 host->irq = data->IrqNumber; 1339 host->base = data->MmioAddress; 1340 1341 spin_lock_init(&(data->Lock)); 1342 1343 snprintf(data->nspinfo, 1344 sizeof(data->nspinfo), 1345 "NinjaSCSI-3/32Bi Driver $Revision: 1.23 $ IO:0x%04lx-0x%04lx MMIO(virt addr):0x%04lx IRQ:%02d", 1346 host->io_port, host->io_port + host->n_io_port - 1, 1347 host->base, 1348 host->irq); 1349 sht->name = data->nspinfo; 1350 1351 nsp_dbg(NSP_DEBUG_INIT, "end"); 1352 1353 1354 return host; /* detect done. */ 1355} 1356 1357#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,5,0)) 1358static int nsp_detect_old(struct scsi_host_template *sht) 1359{ 1360 if (nsp_detect(sht) == NULL) { 1361 return 0; 1362 } else { 1363 //MOD_INC_USE_COUNT; 1364 return 1; 1365 } 1366} 1367 1368 1369static int nsp_release_old(struct Scsi_Host *shpnt) 1370{ 1371 //nsp_hw_data *data = (nsp_hw_data *)shpnt->hostdata; 1372 1373 /* PCMCIA Card Service dose same things below. */ 1374 /* So we do nothing. */ 1375 //if (shpnt->irq) { 1376 // free_irq(shpnt->irq, data->ScsiInfo); 1377 //} 1378 //if (shpnt->io_port) { 1379 // release_region(shpnt->io_port, shpnt->n_io_port); 1380 //} 1381 1382 //MOD_DEC_USE_COUNT; 1383 1384 return 0; 1385} 1386#endif 1387 1388/*----------------------------------------------------------------*/ 1389/* return info string */ 1390/*----------------------------------------------------------------*/ 1391static const char *nsp_info(struct Scsi_Host *shpnt) 1392{ 1393 nsp_hw_data *data = (nsp_hw_data *)shpnt->hostdata; 1394 1395 return data->nspinfo; 1396} 1397 1398#undef SPRINTF 1399#define SPRINTF(args...) \ 1400 do { \ 1401 if(length > (pos - buffer)) { \ 1402 pos += snprintf(pos, length - (pos - buffer) + 1, ## args); \ 1403 nsp_dbg(NSP_DEBUG_PROC, "buffer=0x%p pos=0x%p length=%d %d\n", buffer, pos, length, length - (pos - buffer));\ 1404 } \ 1405 } while(0) 1406static int 1407nsp_proc_info( 1408#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,5,73)) 1409 struct Scsi_Host *host, 1410#endif 1411 char *buffer, 1412 char **start, 1413 off_t offset, 1414 int length, 1415#if !(LINUX_VERSION_CODE > KERNEL_VERSION(2,5,73)) 1416 int hostno, 1417#endif 1418 int inout) 1419{ 1420 int id; 1421 char *pos = buffer; 1422 int thislength; 1423 int speed; 1424 unsigned long flags; 1425 nsp_hw_data *data; 1426#if !(LINUX_VERSION_CODE > KERNEL_VERSION(2,5,73)) 1427 struct Scsi_Host *host; 1428#else 1429 int hostno; 1430#endif 1431 if (inout) { 1432 return -EINVAL; 1433 } 1434 1435#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,5,73)) 1436 hostno = host->host_no; 1437#else 1438 /* search this HBA host */ 1439 host = scsi_host_hn_get(hostno); 1440 if (host == NULL) { 1441 return -ESRCH; 1442 } 1443#endif 1444 data = (nsp_hw_data *)host->hostdata; 1445 1446 1447 SPRINTF("NinjaSCSI status\n\n"); 1448 SPRINTF("Driver version: $Revision: 1.23 $\n"); 1449 SPRINTF("SCSI host No.: %d\n", hostno); 1450 SPRINTF("IRQ: %d\n", host->irq); 1451 SPRINTF("IO: 0x%lx-0x%lx\n", host->io_port, host->io_port + host->n_io_port - 1); 1452 SPRINTF("MMIO(virtual address): 0x%lx-0x%lx\n", host->base, host->base + data->MmioLength - 1); 1453 SPRINTF("sg_tablesize: %d\n", host->sg_tablesize); 1454 1455 SPRINTF("burst transfer mode: "); 1456 switch (nsp_burst_mode) { 1457 case BURST_IO8: 1458 SPRINTF("io8"); 1459 break; 1460 case BURST_IO32: 1461 SPRINTF("io32"); 1462 break; 1463 case BURST_MEM32: 1464 SPRINTF("mem32"); 1465 break; 1466 default: 1467 SPRINTF("???"); 1468 break; 1469 } 1470 SPRINTF("\n"); 1471 1472 1473 spin_lock_irqsave(&(data->Lock), flags); 1474 SPRINTF("CurrentSC: 0x%p\n\n", data->CurrentSC); 1475 spin_unlock_irqrestore(&(data->Lock), flags); 1476 1477 SPRINTF("SDTR status\n"); 1478 for(id = 0; id < ARRAY_SIZE(data->Sync); id++) { 1479 1480 SPRINTF("id %d: ", id); 1481 1482 if (id == host->this_id) { 1483 SPRINTF("----- NinjaSCSI-3 host adapter\n"); 1484 continue; 1485 } 1486 1487 switch(data->Sync[id].SyncNegotiation) { 1488 case SYNC_OK: 1489 SPRINTF(" sync"); 1490 break; 1491 case SYNC_NG: 1492 SPRINTF("async"); 1493 break; 1494 case SYNC_NOT_YET: 1495 SPRINTF(" none"); 1496 break; 1497 default: 1498 SPRINTF("?????"); 1499 break; 1500 } 1501 1502 if (data->Sync[id].SyncPeriod != 0) { 1503 speed = 1000000 / (data->Sync[id].SyncPeriod * 4); 1504 1505 SPRINTF(" transfer %d.%dMB/s, offset %d", 1506 speed / 1000, 1507 speed % 1000, 1508 data->Sync[id].SyncOffset 1509 ); 1510 } 1511 SPRINTF("\n"); 1512 } 1513 1514 thislength = pos - (buffer + offset); 1515 1516 if(thislength < 0) { 1517 *start = NULL; 1518 return 0; 1519 } 1520 1521 1522 thislength = min(thislength, length); 1523 *start = buffer + offset; 1524 1525 return thislength; 1526} 1527#undef SPRINTF 1528 1529/*---------------------------------------------------------------*/ 1530/* error handler */ 1531/*---------------------------------------------------------------*/ 1532 1533/* 1534static int nsp_eh_abort(struct scsi_cmnd *SCpnt) 1535{ 1536 nsp_dbg(NSP_DEBUG_BUSRESET, "SCpnt=0x%p", SCpnt); 1537 1538 return nsp_eh_bus_reset(SCpnt); 1539}*/ 1540 1541static int nsp_bus_reset(nsp_hw_data *data) 1542{ 1543 unsigned int base = data->BaseAddress; 1544 int i; 1545 1546 nsp_write(base, IRQCONTROL, IRQCONTROL_ALLMASK); 1547 1548 nsp_index_write(base, SCSIBUSCTRL, SCSI_RST); 1549 mdelay(100); /* 100ms */ 1550 nsp_index_write(base, SCSIBUSCTRL, 0); 1551 for(i = 0; i < 5; i++) { 1552 nsp_index_read(base, IRQPHASESENCE); /* dummy read */ 1553 } 1554 1555 nsphw_init_sync(data); 1556 1557 nsp_write(base, IRQCONTROL, IRQCONTROL_ALLCLEAR); 1558 1559 return SUCCESS; 1560} 1561 1562static int nsp_eh_bus_reset(struct scsi_cmnd *SCpnt) 1563{ 1564 nsp_hw_data *data = (nsp_hw_data *)SCpnt->device->host->hostdata; 1565 1566 nsp_dbg(NSP_DEBUG_BUSRESET, "SCpnt=0x%p", SCpnt); 1567 1568 return nsp_bus_reset(data); 1569} 1570 1571static int nsp_eh_host_reset(struct scsi_cmnd *SCpnt) 1572{ 1573 nsp_hw_data *data = (nsp_hw_data *)SCpnt->device->host->hostdata; 1574 1575 nsp_dbg(NSP_DEBUG_BUSRESET, "in"); 1576 1577 nsphw_init(data); 1578 1579 return SUCCESS; 1580} 1581 1582 1583/********************************************************************** 1584 PCMCIA functions 1585**********************************************************************/ 1586 1587/*====================================================================== 1588 nsp_cs_attach() creates an "instance" of the driver, allocating 1589 local data structures for one device. The device is registered 1590 with Card Services. 1591 1592 The dev_link structure is initialized, but we don't actually 1593 configure the card at this point -- we wait until we receive a 1594 card insertion event. 1595======================================================================*/ 1596static int nsp_cs_probe(struct pcmcia_device *link) 1597{ 1598 scsi_info_t *info; 1599 nsp_hw_data *data = &nsp_data_base; 1600 int ret; 1601 1602 nsp_dbg(NSP_DEBUG_INIT, "in"); 1603 1604 /* Create new SCSI device */ 1605 info = kzalloc(sizeof(*info), GFP_KERNEL); 1606 if (info == NULL) { return -ENOMEM; } 1607 info->p_dev = link; 1608 link->priv = info; 1609 data->ScsiInfo = info; 1610 1611 nsp_dbg(NSP_DEBUG_INIT, "info=0x%p", info); 1612 1613 /* The io structure describes IO port mapping */ 1614 link->io.NumPorts1 = 0x10; 1615 link->io.Attributes1 = IO_DATA_PATH_WIDTH_AUTO; 1616 link->io.IOAddrLines = 10; /* not used */ 1617 1618 /* Interrupt setup */ 1619 link->irq.Attributes = IRQ_TYPE_EXCLUSIVE | IRQ_HANDLE_PRESENT; 1620 link->irq.IRQInfo1 = IRQ_LEVEL_ID; 1621 1622 /* Interrupt handler */ 1623 link->irq.Handler = &nspintr; 1624 link->irq.Instance = info; 1625 link->irq.Attributes |= IRQF_SHARED; 1626 1627 /* General socket configuration */ 1628 link->conf.Attributes = CONF_ENABLE_IRQ; 1629 link->conf.IntType = INT_MEMORY_AND_IO; 1630 1631 ret = nsp_cs_config(link); 1632 1633 nsp_dbg(NSP_DEBUG_INIT, "link=0x%p", link); 1634 return ret; 1635} /* nsp_cs_attach */ 1636 1637 1638/*====================================================================== 1639 This deletes a driver "instance". The device is de-registered 1640 with Card Services. If it has been released, all local data 1641 structures are freed. Otherwise, the structures will be freed 1642 when the device is released. 1643======================================================================*/ 1644static void nsp_cs_detach(struct pcmcia_device *link) 1645{ 1646 nsp_dbg(NSP_DEBUG_INIT, "in, link=0x%p", link); 1647 1648 ((scsi_info_t *)link->priv)->stop = 1; 1649 nsp_cs_release(link); 1650 1651 kfree(link->priv); 1652 link->priv = NULL; 1653} /* nsp_cs_detach */ 1654 1655 1656/*====================================================================== 1657 nsp_cs_config() is scheduled to run after a CARD_INSERTION event 1658 is received, to configure the PCMCIA socket, and to make the 1659 ethernet device available to the system. 1660======================================================================*/ 1661#define CS_CHECK(fn, ret) \ 1662do { last_fn = (fn); if ((last_ret = (ret)) != 0) goto cs_failed; } while (0) 1663/*====================================================================*/ 1664static int nsp_cs_config(struct pcmcia_device *link) 1665{ 1666 int ret; 1667 scsi_info_t *info = link->priv; 1668 tuple_t tuple; 1669 cisparse_t parse; 1670 int last_ret, last_fn; 1671 unsigned char tuple_data[64]; 1672 config_info_t conf; 1673 win_req_t req; 1674 memreq_t map; 1675 cistpl_cftable_entry_t dflt = { 0 }; 1676 struct Scsi_Host *host; 1677 nsp_hw_data *data = &nsp_data_base; 1678#if !(LINUX_VERSION_CODE >= KERNEL_VERSION(2,5,74)) 1679 struct scsi_device *dev; 1680 dev_node_t **tail, *node; 1681#endif 1682 1683 nsp_dbg(NSP_DEBUG_INIT, "in"); 1684 1685 tuple.Attributes = 0; 1686 tuple.TupleData = tuple_data; 1687 tuple.TupleDataMax = sizeof(tuple_data); 1688 tuple.TupleOffset = 0; 1689 1690 /* Look up the current Vcc */ 1691 CS_CHECK(GetConfigurationInfo, pcmcia_get_configuration_info(link, &conf)); 1692 1693 tuple.DesiredTuple = CISTPL_CFTABLE_ENTRY; 1694 CS_CHECK(GetFirstTuple, pcmcia_get_first_tuple(link, &tuple)); 1695 while (1) { 1696 cistpl_cftable_entry_t *cfg = &(parse.cftable_entry); 1697 1698 if (pcmcia_get_tuple_data(link, &tuple) != 0 || 1699 pcmcia_parse_tuple(link, &tuple, &parse) != 0) 1700 goto next_entry; 1701 1702 if (cfg->flags & CISTPL_CFTABLE_DEFAULT) { dflt = *cfg; } 1703 if (cfg->index == 0) { goto next_entry; } 1704 link->conf.ConfigIndex = cfg->index; 1705 1706 /* Does this card need audio output? */ 1707 if (cfg->flags & CISTPL_CFTABLE_AUDIO) { 1708 link->conf.Attributes |= CONF_ENABLE_SPKR; 1709 link->conf.Status = CCSR_AUDIO_ENA; 1710 } 1711 1712 /* Use power settings for Vcc and Vpp if present */ 1713 /* Note that the CIS values need to be rescaled */ 1714 if (cfg->vcc.present & (1<<CISTPL_POWER_VNOM)) { 1715 if (conf.Vcc != cfg->vcc.param[CISTPL_POWER_VNOM]/10000) { 1716 goto next_entry; 1717 } 1718 } else if (dflt.vcc.present & (1<<CISTPL_POWER_VNOM)) { 1719 if (conf.Vcc != dflt.vcc.param[CISTPL_POWER_VNOM]/10000) { 1720 goto next_entry; 1721 } 1722 } 1723 1724 if (cfg->vpp1.present & (1 << CISTPL_POWER_VNOM)) { 1725 link->conf.Vpp = 1726 cfg->vpp1.param[CISTPL_POWER_VNOM] / 10000; 1727 } else if (dflt.vpp1.present & (1 << CISTPL_POWER_VNOM)) { 1728 link->conf.Vpp = 1729 dflt.vpp1.param[CISTPL_POWER_VNOM] / 10000; 1730 } 1731 1732 /* Do we need to allocate an interrupt? */ 1733 if (cfg->irq.IRQInfo1 || dflt.irq.IRQInfo1) { 1734 link->conf.Attributes |= CONF_ENABLE_IRQ; 1735 } 1736 1737 /* IO window settings */ 1738 link->io.NumPorts1 = link->io.NumPorts2 = 0; 1739 if ((cfg->io.nwin > 0) || (dflt.io.nwin > 0)) { 1740 cistpl_io_t *io = (cfg->io.nwin) ? &cfg->io : &dflt.io; 1741 link->io.Attributes1 = IO_DATA_PATH_WIDTH_AUTO; 1742 if (!(io->flags & CISTPL_IO_8BIT)) 1743 link->io.Attributes1 = IO_DATA_PATH_WIDTH_16; 1744 if (!(io->flags & CISTPL_IO_16BIT)) 1745 link->io.Attributes1 = IO_DATA_PATH_WIDTH_8; 1746 link->io.IOAddrLines = io->flags & CISTPL_IO_LINES_MASK; 1747 link->io.BasePort1 = io->win[0].base; 1748 link->io.NumPorts1 = io->win[0].len; 1749 if (io->nwin > 1) { 1750 link->io.Attributes2 = link->io.Attributes1; 1751 link->io.BasePort2 = io->win[1].base; 1752 link->io.NumPorts2 = io->win[1].len; 1753 } 1754 /* This reserves IO space but doesn't actually enable it */ 1755 if (pcmcia_request_io(link, &link->io) != 0) 1756 goto next_entry; 1757 } 1758 1759 if ((cfg->mem.nwin > 0) || (dflt.mem.nwin > 0)) { 1760 cistpl_mem_t *mem = 1761 (cfg->mem.nwin) ? &cfg->mem : &dflt.mem; 1762 req.Attributes = WIN_DATA_WIDTH_16|WIN_MEMORY_TYPE_CM; 1763 req.Attributes |= WIN_ENABLE; 1764 req.Base = mem->win[0].host_addr; 1765 req.Size = mem->win[0].len; 1766 if (req.Size < 0x1000) { 1767 req.Size = 0x1000; 1768 } 1769 req.AccessSpeed = 0; 1770 if (pcmcia_request_window(&link, &req, &link->win) != 0) 1771 goto next_entry; 1772 map.Page = 0; map.CardOffset = mem->win[0].card_addr; 1773 if (pcmcia_map_mem_page(link->win, &map) != 0) 1774 goto next_entry; 1775 1776 data->MmioAddress = (unsigned long)ioremap_nocache(req.Base, req.Size); 1777 data->MmioLength = req.Size; 1778 } 1779 /* If we got this far, we're cool! */ 1780 break; 1781 1782 next_entry: 1783 nsp_dbg(NSP_DEBUG_INIT, "next"); 1784 pcmcia_disable_device(link); 1785 CS_CHECK(GetNextTuple, pcmcia_get_next_tuple(link, &tuple)); 1786 } 1787 1788 if (link->conf.Attributes & CONF_ENABLE_IRQ) { 1789 CS_CHECK(RequestIRQ, pcmcia_request_irq(link, &link->irq)); 1790 } 1791 CS_CHECK(RequestConfiguration, pcmcia_request_configuration(link, &link->conf)); 1792 1793 if (free_ports) { 1794 if (link->io.BasePort1) { 1795 release_region(link->io.BasePort1, link->io.NumPorts1); 1796 } 1797 if (link->io.BasePort2) { 1798 release_region(link->io.BasePort2, link->io.NumPorts2); 1799 } 1800 } 1801 1802 /* Set port and IRQ */ 1803 data->BaseAddress = link->io.BasePort1; 1804 data->NumAddress = link->io.NumPorts1; 1805 data->IrqNumber = link->irq.AssignedIRQ; 1806 1807 nsp_dbg(NSP_DEBUG_INIT, "I/O[0x%x+0x%x] IRQ %d", 1808 data->BaseAddress, data->NumAddress, data->IrqNumber); 1809 1810 if(nsphw_init(data) == FALSE) { 1811 goto cs_failed; 1812 } 1813 1814#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,5,2)) 1815 host = nsp_detect(&nsp_driver_template); 1816#else 1817 scsi_register_host(&nsp_driver_template); 1818 for (host = scsi_host_get_next(NULL); host != NULL; 1819 host = scsi_host_get_next(host)) { 1820 if (host->hostt == &nsp_driver_template) { 1821 break; 1822 } 1823 } 1824#endif 1825 1826 if (host == NULL) { 1827 nsp_dbg(NSP_DEBUG_INIT, "detect failed"); 1828 goto cs_failed; 1829 } 1830 1831 1832#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,5,74)) 1833 ret = scsi_add_host (host, NULL); 1834 if (ret) 1835 goto cs_failed; 1836 1837 scsi_scan_host(host); 1838 1839 snprintf(info->node.dev_name, sizeof(info->node.dev_name), "scsi%d", host->host_no); 1840 link->dev_node = &info->node; 1841 info->host = host; 1842 1843#else 1844 nsp_dbg(NSP_DEBUG_INIT, "GET_SCSI_INFO"); 1845 tail = &link->dev_node; 1846 info->ndev = 0; 1847 1848 nsp_dbg(NSP_DEBUG_INIT, "host=0x%p", host); 1849 1850 for (dev = host->host_queue; dev != NULL; dev = dev->next) { 1851 unsigned long id; 1852 id = (dev->id & 0x0f) + ((dev->lun & 0x0f) << 4) + 1853 ((dev->channel & 0x0f) << 8) + 1854 ((dev->host->host_no & 0x0f) << 12); 1855 node = &info->node[info->ndev]; 1856 node->minor = 0; 1857 switch (dev->type) { 1858 case TYPE_TAPE: 1859 node->major = SCSI_TAPE_MAJOR; 1860 snprintf(node->dev_name, sizeof(node->dev_name), "st#%04lx", id); 1861 break; 1862 case TYPE_DISK: 1863 case TYPE_MOD: 1864 node->major = SCSI_DISK0_MAJOR; 1865 snprintf(node->dev_name, sizeof(node->dev_name), "sd#%04lx", id); 1866 break; 1867 case TYPE_ROM: 1868 case TYPE_WORM: 1869 node->major = SCSI_CDROM_MAJOR; 1870 snprintf(node->dev_name, sizeof(node->dev_name), "sr#%04lx", id); 1871 break; 1872 default: 1873 node->major = SCSI_GENERIC_MAJOR; 1874 snprintf(node->dev_name, sizeof(node->dev_name), "sg#%04lx", id); 1875 break; 1876 } 1877 *tail = node; tail = &node->next; 1878 info->ndev++; 1879 info->host = dev->host; 1880 } 1881 1882 *tail = NULL; 1883 if (info->ndev == 0) { 1884 nsp_msg(KERN_INFO, "no SCSI devices found"); 1885 } 1886 nsp_dbg(NSP_DEBUG_INIT, "host=0x%p", host); 1887#endif 1888 1889 /* Finally, report what we've done */ 1890 printk(KERN_INFO "nsp_cs: index 0x%02x: ", 1891 link->conf.ConfigIndex); 1892 if (link->conf.Vpp) { 1893 printk(", Vpp %d.%d", link->conf.Vpp/10, link->conf.Vpp%10); 1894 } 1895 if (link->conf.Attributes & CONF_ENABLE_IRQ) { 1896 printk(", irq %d", link->irq.AssignedIRQ); 1897 } 1898 if (link->io.NumPorts1) { 1899 printk(", io 0x%04x-0x%04x", link->io.BasePort1, 1900 link->io.BasePort1+link->io.NumPorts1-1); 1901 } 1902 if (link->io.NumPorts2) 1903 printk(" & 0x%04x-0x%04x", link->io.BasePort2, 1904 link->io.BasePort2+link->io.NumPorts2-1); 1905 if (link->win) 1906 printk(", mem 0x%06lx-0x%06lx", req.Base, 1907 req.Base+req.Size-1); 1908 printk("\n"); 1909 1910 return 0; 1911 1912 cs_failed: 1913 nsp_dbg(NSP_DEBUG_INIT, "config fail"); 1914 cs_error(link, last_fn, last_ret); 1915 nsp_cs_release(link); 1916 1917 return -ENODEV; 1918} /* nsp_cs_config */ 1919#undef CS_CHECK 1920 1921 1922/*====================================================================== 1923 After a card is removed, nsp_cs_release() will unregister the net 1924 device, and release the PCMCIA configuration. If the device is 1925 still open, this will be postponed until it is closed. 1926======================================================================*/ 1927static void nsp_cs_release(struct pcmcia_device *link) 1928{ 1929 scsi_info_t *info = link->priv; 1930 nsp_hw_data *data = NULL; 1931 1932 if (info->host == NULL) { 1933 nsp_msg(KERN_DEBUG, "unexpected card release call."); 1934 } else { 1935 data = (nsp_hw_data *)info->host->hostdata; 1936 } 1937 1938 nsp_dbg(NSP_DEBUG_INIT, "link=0x%p", link); 1939 1940 /* Unlink the device chain */ 1941#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,5,2)) 1942 if (info->host != NULL) { 1943 scsi_remove_host(info->host); 1944 } 1945#else 1946 scsi_unregister_host(&nsp_driver_template); 1947#endif 1948 link->dev_node = NULL; 1949 1950 if (link->win) { 1951 if (data != NULL) { 1952 iounmap((void *)(data->MmioAddress)); 1953 } 1954 } 1955 pcmcia_disable_device(link); 1956 1957#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,5,2)) 1958 if (info->host != NULL) { 1959 scsi_host_put(info->host); 1960 } 1961#endif 1962} /* nsp_cs_release */ 1963 1964static int nsp_cs_suspend(struct pcmcia_device *link) 1965{ 1966 scsi_info_t *info = link->priv; 1967 nsp_hw_data *data; 1968 1969 nsp_dbg(NSP_DEBUG_INIT, "event: suspend"); 1970 1971 if (info->host != NULL) { 1972 nsp_msg(KERN_INFO, "clear SDTR status"); 1973 1974 data = (nsp_hw_data *)info->host->hostdata; 1975 1976 nsphw_init_sync(data); 1977 } 1978 1979 info->stop = 1; 1980 1981 return 0; 1982} 1983 1984static int nsp_cs_resume(struct pcmcia_device *link) 1985{ 1986 scsi_info_t *info = link->priv; 1987 nsp_hw_data *data; 1988 1989 nsp_dbg(NSP_DEBUG_INIT, "event: resume"); 1990 1991 info->stop = 0; 1992 1993 if (info->host != NULL) { 1994 nsp_msg(KERN_INFO, "reset host and bus"); 1995 1996 data = (nsp_hw_data *)info->host->hostdata; 1997 1998 nsphw_init (data); 1999 nsp_bus_reset(data); 2000 } 2001 2002 return 0; 2003} 2004 2005/*======================================================================* 2006 * module entry point 2007 *====================================================================*/ 2008#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,5,68)) 2009static struct pcmcia_device_id nsp_cs_ids[] = { 2010 PCMCIA_DEVICE_PROD_ID123("IO DATA", "CBSC16 ", "1", 0x547e66dc, 0x0d63a3fd, 0x51de003a), 2011 PCMCIA_DEVICE_PROD_ID123("KME ", "SCSI-CARD-001", "1", 0x534c02bc, 0x52008408, 0x51de003a), 2012 PCMCIA_DEVICE_PROD_ID123("KME ", "SCSI-CARD-002", "1", 0x534c02bc, 0xcb09d5b2, 0x51de003a), 2013 PCMCIA_DEVICE_PROD_ID123("KME ", "SCSI-CARD-003", "1", 0x534c02bc, 0xbc0ee524, 0x51de003a), 2014 PCMCIA_DEVICE_PROD_ID123("KME ", "SCSI-CARD-004", "1", 0x534c02bc, 0x226a7087, 0x51de003a), 2015 PCMCIA_DEVICE_PROD_ID123("WBT", "NinjaSCSI-3", "R1.0", 0xc7ba805f, 0xfdc7c97d, 0x6973710e), 2016 PCMCIA_DEVICE_PROD_ID123("WORKBIT", "UltraNinja-16", "1", 0x28191418, 0xb70f4b09, 0x51de003a), 2017 PCMCIA_DEVICE_NULL 2018}; 2019MODULE_DEVICE_TABLE(pcmcia, nsp_cs_ids); 2020 2021static struct pcmcia_driver nsp_driver = { 2022 .owner = THIS_MODULE, 2023 .drv = { 2024 .name = "nsp_cs", 2025 }, 2026 .probe = nsp_cs_probe, 2027 .remove = nsp_cs_detach, 2028 .id_table = nsp_cs_ids, 2029 .suspend = nsp_cs_suspend, 2030 .resume = nsp_cs_resume, 2031}; 2032#endif 2033 2034static int __init nsp_cs_init(void) 2035{ 2036#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,5,68)) 2037 nsp_msg(KERN_INFO, "loading..."); 2038 2039 return pcmcia_register_driver(&nsp_driver); 2040#else 2041 servinfo_t serv; 2042 2043 nsp_msg(KERN_INFO, "loading..."); 2044 pcmcia_get_card_services_info(&serv); 2045 if (serv.Revision != CS_RELEASE_CODE) { 2046 nsp_msg(KERN_DEBUG, "Card Services release does not match!"); 2047 return -EINVAL; 2048 } 2049 register_pcmcia_driver(&dev_info, &nsp_cs_attach, &nsp_cs_detach); 2050 2051 nsp_dbg(NSP_DEBUG_INIT, "out"); 2052 return 0; 2053#endif 2054} 2055 2056static void __exit nsp_cs_exit(void) 2057{ 2058 nsp_msg(KERN_INFO, "unloading..."); 2059 pcmcia_unregister_driver(&nsp_driver); 2060} 2061 2062 2063module_init(nsp_cs_init) 2064module_exit(nsp_cs_exit) 2065 2066/* end */ 2067