1 /*======================================================================
3 NinjaSCSI-3 / NinjaSCSI-32Bi PCMCIA SCSI host adapter card driver
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
13 This software may be used and distributed according to the terms of
14 the GNU General Public License.
16 ======================================================================*/
18 /***********************************************************************
19 This driver is for these PCcards.
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"
26 ***********************************************************************/
28 #include <linux/module.h>
29 #include <linux/kernel.h>
30 #include <linux/init.h>
31 #include <linux/slab.h>
32 #include <linux/string.h>
33 #include <linux/timer.h>
34 #include <linux/ioport.h>
35 #include <linux/delay.h>
36 #include <linux/interrupt.h>
37 #include <linux/major.h>
38 #include <linux/blkdev.h>
39 #include <linux/stat.h>
44 #include <../drivers/scsi/scsi.h>
45 #include <scsi/scsi_host.h>
47 #include <scsi/scsi.h>
48 #include <scsi/scsi_ioctl.h>
50 #include <pcmcia/cistpl.h>
51 #include <pcmcia/cisreg.h>
52 #include <pcmcia/ds.h>
57 MODULE_DESCRIPTION("WorkBit NinjaSCSI-3 / NinjaSCSI-32Bi(16bit) PCMCIA SCSI host adapter module");
58 MODULE_SUPPORTED_DEVICE("sd,sr,sg,st");
59 MODULE_LICENSE("GPL");
63 /*====================================================================*/
64 /* Parameters that can be set with 'insmod' */
66 static int nsp_burst_mode = BURST_MEM32;
67 module_param(nsp_burst_mode, int, 0);
68 MODULE_PARM_DESC(nsp_burst_mode, "Burst transfer mode (0=io8, 1=io32, 2=mem32(default))");
70 /* Release IO ports after configuration? */
71 static bool free_ports = 0;
72 module_param(free_ports, bool, 0);
73 MODULE_PARM_DESC(free_ports, "Release IO ports after configuration? (default: 0 (=no))");
75 static struct scsi_host_template nsp_driver_template = {
76 .proc_name = "nsp_cs",
77 .show_info = nsp_show_info,
78 .name = "WorkBit NinjaSCSI-3/32Bi(16bit)",
80 .queuecommand = nsp_queuecommand,
81 /* .eh_abort_handler = nsp_eh_abort,*/
82 .eh_bus_reset_handler = nsp_eh_bus_reset,
83 .eh_host_reset_handler = nsp_eh_host_reset,
85 .this_id = NSP_INITIATOR_ID,
86 .sg_tablesize = SG_ALL,
87 .dma_boundary = PAGE_SIZE - 1,
90 static nsp_hw_data nsp_data_base; /* attach <-> detect glue */
98 # define NSP_DEBUG_MASK 0x000000
99 # define nsp_msg(type, args...) nsp_cs_message("", 0, (type), args)
100 # define nsp_dbg(mask, args...) /* */
102 # define NSP_DEBUG_MASK 0xffffff
103 # define nsp_msg(type, args...) \
104 nsp_cs_message (__func__, __LINE__, (type), args)
105 # define nsp_dbg(mask, args...) \
106 nsp_cs_dmessage(__func__, __LINE__, (mask), args)
109 #define NSP_DEBUG_QUEUECOMMAND BIT(0)
110 #define NSP_DEBUG_REGISTER BIT(1)
111 #define NSP_DEBUG_AUTOSCSI BIT(2)
112 #define NSP_DEBUG_INTR BIT(3)
113 #define NSP_DEBUG_SGLIST BIT(4)
114 #define NSP_DEBUG_BUSFREE BIT(5)
115 #define NSP_DEBUG_CDB_CONTENTS BIT(6)
116 #define NSP_DEBUG_RESELECTION BIT(7)
117 #define NSP_DEBUG_MSGINOCCUR BIT(8)
118 #define NSP_DEBUG_EEPROM BIT(9)
119 #define NSP_DEBUG_MSGOUTOCCUR BIT(10)
120 #define NSP_DEBUG_BUSRESET BIT(11)
121 #define NSP_DEBUG_RESTART BIT(12)
122 #define NSP_DEBUG_SYNC BIT(13)
123 #define NSP_DEBUG_WAIT BIT(14)
124 #define NSP_DEBUG_TARGETFLAG BIT(15)
125 #define NSP_DEBUG_PROC BIT(16)
126 #define NSP_DEBUG_INIT BIT(17)
127 #define NSP_DEBUG_DATA_IO BIT(18)
128 #define NSP_SPECIAL_PRINT_REGISTER BIT(20)
130 #define NSP_DEBUG_BUF_LEN 150
132 static inline void nsp_inc_resid(struct scsi_cmnd *SCpnt, int residInc)
134 scsi_set_resid(SCpnt, scsi_get_resid(SCpnt) + residInc);
138 static void nsp_cs_message(const char *func, int line, char *type, char *fmt, ...)
141 char buf[NSP_DEBUG_BUF_LEN];
144 vsnprintf(buf, sizeof(buf), fmt, args);
148 printk("%snsp_cs: %s\n", type, buf);
150 printk("%snsp_cs: %s (%d): %s\n", type, func, line, buf);
155 static void nsp_cs_dmessage(const char *func, int line, int mask, char *fmt, ...)
158 char buf[NSP_DEBUG_BUF_LEN];
161 vsnprintf(buf, sizeof(buf), fmt, args);
164 if (mask & NSP_DEBUG_MASK) {
165 printk("nsp_cs-debug: 0x%x %s (%d): %s\n", mask, func, line, buf);
170 /***********************************************************/
172 /*====================================================
173 * Clenaup parameters and call done() functions.
174 * You must be set SCpnt->result before call this function.
176 static void nsp_scsi_done(struct scsi_cmnd *SCpnt)
178 nsp_hw_data *data = (nsp_hw_data *)SCpnt->device->host->hostdata;
180 data->CurrentSC = NULL;
182 SCpnt->scsi_done(SCpnt);
185 static int nsp_queuecommand_lck(struct scsi_cmnd *SCpnt,
186 void (*done)(struct scsi_cmnd *))
189 /*unsigned int host_id = SCpnt->device->host->this_id;*/
190 /*unsigned int base = SCpnt->device->host->io_port;*/
191 unsigned char target = scmd_id(SCpnt);
193 nsp_hw_data *data = (nsp_hw_data *)SCpnt->device->host->hostdata;
195 nsp_dbg(NSP_DEBUG_QUEUECOMMAND,
196 "SCpnt=0x%p target=%d lun=%llu sglist=0x%p bufflen=%d sg_count=%d",
197 SCpnt, target, SCpnt->device->lun, scsi_sglist(SCpnt),
198 scsi_bufflen(SCpnt), scsi_sg_count(SCpnt));
199 //nsp_dbg(NSP_DEBUG_QUEUECOMMAND, "before CurrentSC=0x%p", data->CurrentSC);
201 SCpnt->scsi_done = done;
203 if (data->CurrentSC != NULL) {
204 nsp_msg(KERN_DEBUG, "CurrentSC!=NULL this can't be happen");
205 SCpnt->result = DID_BAD_TARGET << 16;
206 nsp_scsi_done(SCpnt);
211 /* XXX: pcmcia-cs generates SCSI command with "scsi_info" utility.
212 This makes kernel crash when suspending... */
213 if (data->ScsiInfo->stop != 0) {
214 nsp_msg(KERN_INFO, "suspending device. reject command.");
215 SCpnt->result = DID_BAD_TARGET << 16;
216 nsp_scsi_done(SCpnt);
217 return SCSI_MLQUEUE_HOST_BUSY;
223 data->CurrentSC = SCpnt;
225 SCpnt->SCp.Status = CHECK_CONDITION;
226 SCpnt->SCp.Message = 0;
227 SCpnt->SCp.have_data_in = IO_UNKNOWN;
228 SCpnt->SCp.sent_command = 0;
229 SCpnt->SCp.phase = PH_UNDETERMINED;
230 scsi_set_resid(SCpnt, scsi_bufflen(SCpnt));
232 /* setup scratch area
233 SCp.ptr : buffer pointer
234 SCp.this_residual : buffer length
235 SCp.buffer : next buffer
236 SCp.buffers_residual : left buffers in list
237 SCp.phase : current state of the command */
238 if (scsi_bufflen(SCpnt)) {
239 SCpnt->SCp.buffer = scsi_sglist(SCpnt);
240 SCpnt->SCp.ptr = BUFFER_ADDR;
241 SCpnt->SCp.this_residual = SCpnt->SCp.buffer->length;
242 SCpnt->SCp.buffers_residual = scsi_sg_count(SCpnt) - 1;
244 SCpnt->SCp.ptr = NULL;
245 SCpnt->SCp.this_residual = 0;
246 SCpnt->SCp.buffer = NULL;
247 SCpnt->SCp.buffers_residual = 0;
250 if (nsphw_start_selection(SCpnt) == FALSE) {
251 nsp_dbg(NSP_DEBUG_QUEUECOMMAND, "selection fail");
252 SCpnt->result = DID_BUS_BUSY << 16;
253 nsp_scsi_done(SCpnt);
258 //nsp_dbg(NSP_DEBUG_QUEUECOMMAND, "out");
265 static DEF_SCSI_QCMD(nsp_queuecommand)
268 * setup PIO FIFO transfer mode and enable/disable to data out
270 static void nsp_setup_fifo(nsp_hw_data *data, int enabled)
272 unsigned int base = data->BaseAddress;
273 unsigned char transfer_mode_reg;
275 //nsp_dbg(NSP_DEBUG_DATA_IO, "enabled=%d", enabled);
277 if (enabled != FALSE) {
278 transfer_mode_reg = TRANSFER_GO | BRAIND;
280 transfer_mode_reg = 0;
283 transfer_mode_reg |= data->TransferMode;
285 nsp_index_write(base, TRANSFERMODE, transfer_mode_reg);
288 static void nsphw_init_sync(nsp_hw_data *data)
290 sync_data tmp_sync = { .SyncNegotiation = SYNC_NOT_YET,
296 /* setup sync data */
297 for ( i = 0; i < ARRAY_SIZE(data->Sync); i++ ) {
298 data->Sync[i] = tmp_sync;
303 * Initialize Ninja hardware
305 static int nsphw_init(nsp_hw_data *data)
307 unsigned int base = data->BaseAddress;
309 nsp_dbg(NSP_DEBUG_INIT, "in base=0x%x", base);
311 data->ScsiClockDiv = CLOCK_40M | FAST_20;
312 data->CurrentSC = NULL;
314 data->TransferMode = MODE_IO8;
316 nsphw_init_sync(data);
318 /* block all interrupts */
319 nsp_write(base, IRQCONTROL, IRQCONTROL_ALLMASK);
321 /* setup SCSI interface */
322 nsp_write(base, IFSELECT, IF_IFSEL);
324 nsp_index_write(base, SCSIIRQMODE, 0);
326 nsp_index_write(base, TRANSFERMODE, MODE_IO8);
327 nsp_index_write(base, CLOCKDIV, data->ScsiClockDiv);
329 nsp_index_write(base, PARITYCTRL, 0);
330 nsp_index_write(base, POINTERCLR, POINTER_CLEAR |
335 /* setup fifo asic */
336 nsp_write(base, IFSELECT, IF_REGSEL);
337 nsp_index_write(base, TERMPWRCTRL, 0);
338 if ((nsp_index_read(base, OTHERCONTROL) & TPWR_SENSE) == 0) {
339 nsp_msg(KERN_INFO, "terminator power on");
340 nsp_index_write(base, TERMPWRCTRL, POWER_ON);
343 nsp_index_write(base, TIMERCOUNT, 0);
344 nsp_index_write(base, TIMERCOUNT, 0); /* requires 2 times!! */
346 nsp_index_write(base, SYNCREG, 0);
347 nsp_index_write(base, ACKWIDTH, 0);
349 /* enable interrupts and ack them */
350 nsp_index_write(base, SCSIIRQMODE, SCSI_PHASE_CHANGE_EI |
353 nsp_write(base, IRQCONTROL, IRQCONTROL_ALLCLEAR);
355 nsp_setup_fifo(data, FALSE);
361 * Start selection phase
363 static int nsphw_start_selection(struct scsi_cmnd *SCpnt)
365 unsigned int host_id = SCpnt->device->host->this_id;
366 unsigned int base = SCpnt->device->host->io_port;
367 unsigned char target = scmd_id(SCpnt);
368 nsp_hw_data *data = (nsp_hw_data *)SCpnt->device->host->hostdata;
370 unsigned char phase, arbit;
372 //nsp_dbg(NSP_DEBUG_RESELECTION, "in");
374 phase = nsp_index_read(base, SCSIBUSMON);
375 if(phase != BUSMON_BUS_FREE) {
376 //nsp_dbg(NSP_DEBUG_RESELECTION, "bus busy");
380 /* start arbitration */
381 //nsp_dbg(NSP_DEBUG_RESELECTION, "start arbit");
382 SCpnt->SCp.phase = PH_ARBSTART;
383 nsp_index_write(base, SETARBIT, ARBIT_GO);
387 /* XXX: what a stupid chip! */
388 arbit = nsp_index_read(base, ARBITSTATUS);
389 //nsp_dbg(NSP_DEBUG_RESELECTION, "arbit=%d, wait_count=%d", arbit, wait_count);
390 udelay(1); /* hold 1.2us */
391 } while((arbit & (ARBIT_WIN | ARBIT_FAIL)) == 0 &&
394 if (!(arbit & ARBIT_WIN)) {
395 //nsp_dbg(NSP_DEBUG_RESELECTION, "arbit fail");
396 nsp_index_write(base, SETARBIT, ARBIT_FLAG_CLEAR);
400 /* assert select line */
401 //nsp_dbg(NSP_DEBUG_RESELECTION, "assert SEL line");
402 SCpnt->SCp.phase = PH_SELSTART;
403 udelay(3); /* wait 2.4us */
404 nsp_index_write(base, SCSIDATALATCH, BIT(host_id) | BIT(target));
405 nsp_index_write(base, SCSIBUSCTRL, SCSI_SEL | SCSI_BSY | SCSI_ATN);
406 udelay(2); /* wait >1.2us */
407 nsp_index_write(base, SCSIBUSCTRL, SCSI_SEL | SCSI_BSY | SCSI_DATAOUT_ENB | SCSI_ATN);
408 nsp_index_write(base, SETARBIT, ARBIT_FLAG_CLEAR);
409 /*udelay(1);*/ /* wait >90ns */
410 nsp_index_write(base, SCSIBUSCTRL, SCSI_SEL | SCSI_DATAOUT_ENB | SCSI_ATN);
412 /* check selection timeout */
413 nsp_start_timer(SCpnt, 1000/51);
414 data->SelectionTimeOut = 1;
419 struct nsp_sync_table {
420 unsigned int min_period;
421 unsigned int max_period;
422 unsigned int chip_period;
423 unsigned int ack_width;
426 static struct nsp_sync_table nsp_sync_table_40M[] = {
427 {0x0c, 0x0c, 0x1, 0}, /* 20MB 50ns*/
428 {0x19, 0x19, 0x3, 1}, /* 10MB 100ns*/
429 {0x1a, 0x25, 0x5, 2}, /* 7.5MB 150ns*/
430 {0x26, 0x32, 0x7, 3}, /* 5MB 200ns*/
434 static struct nsp_sync_table nsp_sync_table_20M[] = {
435 {0x19, 0x19, 0x1, 0}, /* 10MB 100ns*/
436 {0x1a, 0x25, 0x2, 0}, /* 7.5MB 150ns*/
437 {0x26, 0x32, 0x3, 1}, /* 5MB 200ns*/
442 * setup synchronous data transfer mode
444 static int nsp_analyze_sdtr(struct scsi_cmnd *SCpnt)
446 unsigned char target = scmd_id(SCpnt);
447 // unsigned char lun = SCpnt->device->lun;
448 nsp_hw_data *data = (nsp_hw_data *)SCpnt->device->host->hostdata;
449 sync_data *sync = &(data->Sync[target]);
450 struct nsp_sync_table *sync_table;
451 unsigned int period, offset;
455 nsp_dbg(NSP_DEBUG_SYNC, "in");
457 period = sync->SyncPeriod;
458 offset = sync->SyncOffset;
460 nsp_dbg(NSP_DEBUG_SYNC, "period=0x%x, offset=0x%x", period, offset);
462 if ((data->ScsiClockDiv & (BIT(0)|BIT(1))) == CLOCK_20M) {
463 sync_table = nsp_sync_table_20M;
465 sync_table = nsp_sync_table_40M;
468 for ( i = 0; sync_table->max_period != 0; i++, sync_table++) {
469 if ( period >= sync_table->min_period &&
470 period <= sync_table->max_period ) {
475 if (period != 0 && sync_table->max_period == 0) {
477 * No proper period/offset found
479 nsp_dbg(NSP_DEBUG_SYNC, "no proper period/offset");
481 sync->SyncPeriod = 0;
482 sync->SyncOffset = 0;
483 sync->SyncRegister = 0;
489 sync->SyncRegister = (sync_table->chip_period << SYNCREG_PERIOD_SHIFT) |
490 (offset & SYNCREG_OFFSET_MASK);
491 sync->AckWidth = sync_table->ack_width;
493 nsp_dbg(NSP_DEBUG_SYNC, "sync_reg=0x%x, ack_width=0x%x", sync->SyncRegister, sync->AckWidth);
500 * start ninja hardware timer
502 static void nsp_start_timer(struct scsi_cmnd *SCpnt, int time)
504 unsigned int base = SCpnt->device->host->io_port;
505 nsp_hw_data *data = (nsp_hw_data *)SCpnt->device->host->hostdata;
507 //nsp_dbg(NSP_DEBUG_INTR, "in SCpnt=0x%p, time=%d", SCpnt, time);
508 data->TimerCount = time;
509 nsp_index_write(base, TIMERCOUNT, time);
513 * wait for bus phase change
515 static int nsp_negate_signal(struct scsi_cmnd *SCpnt, unsigned char mask,
518 unsigned int base = SCpnt->device->host->io_port;
522 //nsp_dbg(NSP_DEBUG_INTR, "in");
527 reg = nsp_index_read(base, SCSIBUSMON);
531 } while ((--time_out != 0) && (reg & mask) != 0);
534 nsp_msg(KERN_DEBUG, " %s signal off timeout", str);
543 static int nsp_expect_signal(struct scsi_cmnd *SCpnt,
544 unsigned char current_phase,
547 unsigned int base = SCpnt->device->host->io_port;
549 unsigned char phase, i_src;
551 //nsp_dbg(NSP_DEBUG_INTR, "current_phase=0x%x, mask=0x%x", current_phase, mask);
555 phase = nsp_index_read(base, SCSIBUSMON);
557 //nsp_dbg(NSP_DEBUG_INTR, "ret -1");
560 i_src = nsp_read(base, IRQSTATUS);
561 if (i_src & IRQSTATUS_SCSI) {
562 //nsp_dbg(NSP_DEBUG_INTR, "ret 0 found scsi signal");
565 if ((phase & mask) != 0 && (phase & BUSMON_PHASE_MASK) == current_phase) {
566 //nsp_dbg(NSP_DEBUG_INTR, "ret 1 phase=0x%x", phase);
569 } while(time_out-- != 0);
571 //nsp_dbg(NSP_DEBUG_INTR, "timeout");
576 * transfer SCSI message
578 static int nsp_xfer(struct scsi_cmnd *SCpnt, int phase)
580 unsigned int base = SCpnt->device->host->io_port;
581 nsp_hw_data *data = (nsp_hw_data *)SCpnt->device->host->hostdata;
582 char *buf = data->MsgBuffer;
583 int len = min(MSGBUF_SIZE, data->MsgLen);
587 //nsp_dbg(NSP_DEBUG_DATA_IO, "in");
588 for (ptr = 0; len > 0; len--, ptr++) {
590 ret = nsp_expect_signal(SCpnt, phase, BUSMON_REQ);
592 nsp_dbg(NSP_DEBUG_DATA_IO, "xfer quit");
596 /* if last byte, negate ATN */
597 if (len == 1 && SCpnt->SCp.phase == PH_MSG_OUT) {
598 nsp_index_write(base, SCSIBUSCTRL, AUTODIRECTION | ACKENB);
601 /* read & write message */
602 if (phase & BUSMON_IO) {
603 nsp_dbg(NSP_DEBUG_DATA_IO, "read msg");
604 buf[ptr] = nsp_index_read(base, SCSIDATAWITHACK);
606 nsp_dbg(NSP_DEBUG_DATA_IO, "write msg");
607 nsp_index_write(base, SCSIDATAWITHACK, buf[ptr]);
609 nsp_negate_signal(SCpnt, BUSMON_ACK, "xfer<ack>");
616 * get extra SCSI data from fifo
618 static int nsp_dataphase_bypass(struct scsi_cmnd *SCpnt)
620 nsp_hw_data *data = (nsp_hw_data *)SCpnt->device->host->hostdata;
623 //nsp_dbg(NSP_DEBUG_DATA_IO, "in");
625 if (SCpnt->SCp.have_data_in != IO_IN) {
629 count = nsp_fifo_count(SCpnt);
630 if (data->FifoCount == count) {
631 //nsp_dbg(NSP_DEBUG_DATA_IO, "not use bypass quirk");
637 * data phase skip only occures in case of SCSI_LOW_READ
639 nsp_dbg(NSP_DEBUG_DATA_IO, "use bypass quirk");
640 SCpnt->SCp.phase = PH_DATA;
642 nsp_setup_fifo(data, FALSE);
650 static int nsp_reselected(struct scsi_cmnd *SCpnt)
652 unsigned int base = SCpnt->device->host->io_port;
653 unsigned int host_id = SCpnt->device->host->this_id;
654 //nsp_hw_data *data = (nsp_hw_data *)SCpnt->device->host->hostdata;
655 unsigned char bus_reg;
656 unsigned char id_reg, tmp;
659 nsp_dbg(NSP_DEBUG_RESELECTION, "in");
661 id_reg = nsp_index_read(base, RESELECTID);
662 tmp = id_reg & (~BIT(host_id));
672 if (scmd_id(SCpnt) != target) {
673 nsp_msg(KERN_ERR, "XXX: reselect ID must be %d in this implementation.", target);
676 nsp_negate_signal(SCpnt, BUSMON_SEL, "reselect<SEL>");
679 bus_reg = nsp_index_read(base, SCSIBUSCTRL) & ~(SCSI_BSY | SCSI_ATN);
680 nsp_index_write(base, SCSIBUSCTRL, bus_reg);
681 nsp_index_write(base, SCSIBUSCTRL, bus_reg | AUTODIRECTION | ACKENB);
687 * count how many data transferd
689 static int nsp_fifo_count(struct scsi_cmnd *SCpnt)
691 unsigned int base = SCpnt->device->host->io_port;
693 unsigned int l, m, h;
695 nsp_index_write(base, POINTERCLR, POINTER_CLEAR | ACK_COUNTER);
697 l = nsp_index_read(base, TRANSFERCOUNT);
698 m = nsp_index_read(base, TRANSFERCOUNT);
699 h = nsp_index_read(base, TRANSFERCOUNT);
700 nsp_index_read(base, TRANSFERCOUNT); /* required this! */
702 count = (h << 16) | (m << 8) | (l << 0);
704 //nsp_dbg(NSP_DEBUG_DATA_IO, "count=0x%x", count);
710 #define RFIFO_CRIT 64
711 #define WFIFO_CRIT 64
714 * read data in DATA IN phase
716 static void nsp_pio_read(struct scsi_cmnd *SCpnt)
718 unsigned int base = SCpnt->device->host->io_port;
719 unsigned long mmio_base = SCpnt->device->host->base;
720 nsp_hw_data *data = (nsp_hw_data *)SCpnt->device->host->hostdata;
723 unsigned char stat, fifo_stat;
725 ocount = data->FifoCount;
727 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",
728 SCpnt, scsi_get_resid(SCpnt), ocount, SCpnt->SCp.ptr,
729 SCpnt->SCp.this_residual, SCpnt->SCp.buffer,
730 SCpnt->SCp.buffers_residual);
734 while ((time_out-- != 0) &&
735 (SCpnt->SCp.this_residual > 0 || SCpnt->SCp.buffers_residual > 0 ) ) {
737 stat = nsp_index_read(base, SCSIBUSMON);
738 stat &= BUSMON_PHASE_MASK;
741 res = nsp_fifo_count(SCpnt) - ocount;
742 //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);
743 if (res == 0) { /* if some data available ? */
744 if (stat == BUSPHASE_DATA_IN) { /* phase changed? */
745 //nsp_dbg(NSP_DEBUG_DATA_IO, " wait for data this=%d", SCpnt->SCp.this_residual);
748 nsp_dbg(NSP_DEBUG_DATA_IO, "phase changed stat=0x%x", stat);
753 fifo_stat = nsp_read(base, FIFOSTATUS);
754 if ((fifo_stat & FIFOSTATUS_FULL_EMPTY) == 0 &&
755 stat == BUSPHASE_DATA_IN) {
759 res = min(res, SCpnt->SCp.this_residual);
761 switch (data->TransferMode) {
763 res &= ~(BIT(1)|BIT(0)); /* align 4 */
764 nsp_fifo32_read(base, SCpnt->SCp.ptr, res >> 2);
767 nsp_fifo8_read (base, SCpnt->SCp.ptr, res );
771 res &= ~(BIT(1)|BIT(0)); /* align 4 */
772 nsp_mmio_fifo32_read(mmio_base, SCpnt->SCp.ptr, res >> 2);
776 nsp_dbg(NSP_DEBUG_DATA_IO, "unknown read mode");
780 nsp_inc_resid(SCpnt, -res);
781 SCpnt->SCp.ptr += res;
782 SCpnt->SCp.this_residual -= res;
784 //nsp_dbg(NSP_DEBUG_DATA_IO, "ptr=0x%p this_residual=0x%x ocount=0x%x", SCpnt->SCp.ptr, SCpnt->SCp.this_residual, ocount);
786 /* go to next scatter list if available */
787 if (SCpnt->SCp.this_residual == 0 &&
788 SCpnt->SCp.buffers_residual != 0 ) {
789 //nsp_dbg(NSP_DEBUG_DATA_IO, "scatterlist next timeout=%d", time_out);
790 SCpnt->SCp.buffers_residual--;
791 SCpnt->SCp.buffer = sg_next(SCpnt->SCp.buffer);
792 SCpnt->SCp.ptr = BUFFER_ADDR;
793 SCpnt->SCp.this_residual = SCpnt->SCp.buffer->length;
796 //nsp_dbg(NSP_DEBUG_DATA_IO, "page: 0x%p, off: 0x%x", SCpnt->SCp.buffer->page, SCpnt->SCp.buffer->offset);
800 data->FifoCount = ocount;
803 nsp_msg(KERN_DEBUG, "pio read timeout resid=%d this_residual=%d buffers_residual=%d",
804 scsi_get_resid(SCpnt), SCpnt->SCp.this_residual,
805 SCpnt->SCp.buffers_residual);
807 nsp_dbg(NSP_DEBUG_DATA_IO, "read ocount=0x%x", ocount);
808 nsp_dbg(NSP_DEBUG_DATA_IO, "r cmd=%d resid=0x%x\n", data->CmdId,
809 scsi_get_resid(SCpnt));
813 * write data in DATA OUT phase
815 static void nsp_pio_write(struct scsi_cmnd *SCpnt)
817 unsigned int base = SCpnt->device->host->io_port;
818 unsigned long mmio_base = SCpnt->device->host->base;
819 nsp_hw_data *data = (nsp_hw_data *)SCpnt->device->host->hostdata;
824 ocount = data->FifoCount;
826 nsp_dbg(NSP_DEBUG_DATA_IO, "in fifocount=%d ptr=0x%p this_residual=%d buffers=0x%p nbuf=%d resid=0x%x",
827 data->FifoCount, SCpnt->SCp.ptr, SCpnt->SCp.this_residual,
828 SCpnt->SCp.buffer, SCpnt->SCp.buffers_residual,
829 scsi_get_resid(SCpnt));
833 while ((time_out-- != 0) &&
834 (SCpnt->SCp.this_residual > 0 || SCpnt->SCp.buffers_residual > 0)) {
835 stat = nsp_index_read(base, SCSIBUSMON);
836 stat &= BUSMON_PHASE_MASK;
838 if (stat != BUSPHASE_DATA_OUT) {
839 res = ocount - nsp_fifo_count(SCpnt);
841 nsp_dbg(NSP_DEBUG_DATA_IO, "phase changed stat=0x%x, res=%d\n", stat, res);
842 /* Put back pointer */
843 nsp_inc_resid(SCpnt, res);
844 SCpnt->SCp.ptr -= res;
845 SCpnt->SCp.this_residual += res;
851 res = ocount - nsp_fifo_count(SCpnt);
852 if (res > 0) { /* write all data? */
853 nsp_dbg(NSP_DEBUG_DATA_IO, "wait for all data out. ocount=0x%x res=%d", ocount, res);
857 res = min(SCpnt->SCp.this_residual, WFIFO_CRIT);
859 //nsp_dbg(NSP_DEBUG_DATA_IO, "ptr=0x%p this=0x%x res=0x%x", SCpnt->SCp.ptr, SCpnt->SCp.this_residual, res);
860 switch (data->TransferMode) {
862 res &= ~(BIT(1)|BIT(0)); /* align 4 */
863 nsp_fifo32_write(base, SCpnt->SCp.ptr, res >> 2);
866 nsp_fifo8_write (base, SCpnt->SCp.ptr, res );
870 res &= ~(BIT(1)|BIT(0)); /* align 4 */
871 nsp_mmio_fifo32_write(mmio_base, SCpnt->SCp.ptr, res >> 2);
875 nsp_dbg(NSP_DEBUG_DATA_IO, "unknown write mode");
879 nsp_inc_resid(SCpnt, -res);
880 SCpnt->SCp.ptr += res;
881 SCpnt->SCp.this_residual -= res;
884 /* go to next scatter list if available */
885 if (SCpnt->SCp.this_residual == 0 &&
886 SCpnt->SCp.buffers_residual != 0 ) {
887 //nsp_dbg(NSP_DEBUG_DATA_IO, "scatterlist next");
888 SCpnt->SCp.buffers_residual--;
889 SCpnt->SCp.buffer = sg_next(SCpnt->SCp.buffer);
890 SCpnt->SCp.ptr = BUFFER_ADDR;
891 SCpnt->SCp.this_residual = SCpnt->SCp.buffer->length;
896 data->FifoCount = ocount;
899 nsp_msg(KERN_DEBUG, "pio write timeout resid=0x%x",
900 scsi_get_resid(SCpnt));
902 nsp_dbg(NSP_DEBUG_DATA_IO, "write ocount=0x%x", ocount);
903 nsp_dbg(NSP_DEBUG_DATA_IO, "w cmd=%d resid=0x%x\n", data->CmdId,
904 scsi_get_resid(SCpnt));
910 * setup synchronous/asynchronous data transfer mode
912 static int nsp_nexus(struct scsi_cmnd *SCpnt)
914 unsigned int base = SCpnt->device->host->io_port;
915 unsigned char target = scmd_id(SCpnt);
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]);
920 //nsp_dbg(NSP_DEBUG_DATA_IO, "in SCpnt=0x%p", SCpnt);
922 /* setup synch transfer registers */
923 nsp_index_write(base, SYNCREG, sync->SyncRegister);
924 nsp_index_write(base, ACKWIDTH, sync->AckWidth);
926 if (scsi_get_resid(SCpnt) % 4 != 0 ||
927 scsi_get_resid(SCpnt) <= PAGE_SIZE ) {
928 data->TransferMode = MODE_IO8;
929 } else if (nsp_burst_mode == BURST_MEM32) {
930 data->TransferMode = MODE_MEM32;
931 } else if (nsp_burst_mode == BURST_IO32) {
932 data->TransferMode = MODE_IO32;
934 data->TransferMode = MODE_IO8;
937 /* setup pdma fifo */
938 nsp_setup_fifo(data, TRUE);
940 /* clear ack counter */
942 nsp_index_write(base, POINTERCLR, POINTER_CLEAR |
950 #include "nsp_message.c"
954 static irqreturn_t nspintr(int irq, void *dev_id)
957 unsigned char irq_status, irq_phase, phase;
958 struct scsi_cmnd *tmpSC;
959 unsigned char target, lun;
960 unsigned int *sync_neg;
965 //nsp_dbg(NSP_DEBUG_INTR, "dev_id=0x%p", dev_id);
966 //nsp_dbg(NSP_DEBUG_INTR, "host=0x%p", ((scsi_info_t *)dev_id)->host);
968 if ( dev_id != NULL &&
969 ((scsi_info_t *)dev_id)->host != NULL ) {
970 scsi_info_t *info = (scsi_info_t *)dev_id;
972 data = (nsp_hw_data *)info->host->hostdata;
974 nsp_dbg(NSP_DEBUG_INTR, "host data wrong");
978 //nsp_dbg(NSP_DEBUG_INTR, "&nsp_data_base=0x%p, dev_id=0x%p", &nsp_data_base, dev_id);
980 base = data->BaseAddress;
981 //nsp_dbg(NSP_DEBUG_INTR, "base=0x%x", base);
986 nsp_write(base, IRQCONTROL, IRQCONTROL_IRQDISABLE);
987 irq_status = nsp_read(base, IRQSTATUS);
988 //nsp_dbg(NSP_DEBUG_INTR, "irq_status=0x%x", irq_status);
989 if ((irq_status == 0xff) || ((irq_status & IRQSTATUS_MASK) == 0)) {
990 nsp_write(base, IRQCONTROL, 0);
991 //nsp_dbg(NSP_DEBUG_INTR, "no irq/shared irq");
996 * Do not read an irq_phase register if no scsi phase interrupt.
997 * Unless, you should lose a scsi phase interrupt.
999 phase = nsp_index_read(base, SCSIBUSMON);
1000 if((irq_status & IRQSTATUS_SCSI) != 0) {
1001 irq_phase = nsp_index_read(base, IRQPHASESENCE);
1006 //nsp_dbg(NSP_DEBUG_INTR, "irq_phase=0x%x", irq_phase);
1009 * timer interrupt handler (scsi vs timer interrupts)
1011 //nsp_dbg(NSP_DEBUG_INTR, "timercount=%d", data->TimerCount);
1012 if (data->TimerCount != 0) {
1013 //nsp_dbg(NSP_DEBUG_INTR, "stop timer");
1014 nsp_index_write(base, TIMERCOUNT, 0);
1015 nsp_index_write(base, TIMERCOUNT, 0);
1016 data->TimerCount = 0;
1019 if ((irq_status & IRQSTATUS_MASK) == IRQSTATUS_TIMER &&
1020 data->SelectionTimeOut == 0) {
1021 //nsp_dbg(NSP_DEBUG_INTR, "timer start");
1022 nsp_write(base, IRQCONTROL, IRQCONTROL_TIMER_CLEAR);
1026 nsp_write(base, IRQCONTROL, IRQCONTROL_TIMER_CLEAR | IRQCONTROL_FIFO_CLEAR);
1028 if ((irq_status & IRQSTATUS_SCSI) &&
1029 (irq_phase & SCSI_RESET_IRQ)) {
1030 nsp_msg(KERN_ERR, "bus reset (power off?)");
1033 nsp_bus_reset(data);
1035 if(data->CurrentSC != NULL) {
1036 tmpSC = data->CurrentSC;
1037 tmpSC->result = (DID_RESET << 16) |
1038 ((tmpSC->SCp.Message & 0xff) << 8) |
1039 ((tmpSC->SCp.Status & 0xff) << 0);
1040 nsp_scsi_done(tmpSC);
1045 if (data->CurrentSC == NULL) {
1046 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 nsp_bus_reset(data);
1052 tmpSC = data->CurrentSC;
1053 target = tmpSC->device->id;
1054 lun = tmpSC->device->lun;
1055 sync_neg = &(data->Sync[target].SyncNegotiation);
1058 * parse hardware SCSI irq reasons register
1060 if (irq_status & IRQSTATUS_SCSI) {
1061 if (irq_phase & RESELECT_IRQ) {
1062 nsp_dbg(NSP_DEBUG_INTR, "reselect");
1063 nsp_write(base, IRQCONTROL, IRQCONTROL_RESELECT_CLEAR);
1064 if (nsp_reselected(tmpSC) != FALSE) {
1069 if ((irq_phase & (PHASE_CHANGE_IRQ | LATCHED_BUS_FREE)) == 0) {
1074 //show_phase(tmpSC);
1076 switch(tmpSC->SCp.phase) {
1078 // *sync_neg = SYNC_NOT_YET;
1079 if ((phase & BUSMON_BSY) == 0) {
1080 //nsp_dbg(NSP_DEBUG_INTR, "selection count=%d", data->SelectionTimeOut);
1081 if (data->SelectionTimeOut >= NSP_SELTIMEOUT) {
1082 nsp_dbg(NSP_DEBUG_INTR, "selection time out");
1083 data->SelectionTimeOut = 0;
1084 nsp_index_write(base, SCSIBUSCTRL, 0);
1086 tmpSC->result = DID_TIME_OUT << 16;
1087 nsp_scsi_done(tmpSC);
1091 data->SelectionTimeOut += 1;
1092 nsp_start_timer(tmpSC, 1000/51);
1096 /* attention assert */
1097 //nsp_dbg(NSP_DEBUG_INTR, "attention assert");
1098 data->SelectionTimeOut = 0;
1099 tmpSC->SCp.phase = PH_SELECTED;
1100 nsp_index_write(base, SCSIBUSCTRL, SCSI_ATN);
1102 nsp_index_write(base, SCSIBUSCTRL, SCSI_ATN | AUTODIRECTION | ACKENB);
1108 //nsp_dbg(NSP_DEBUG_INTR, "phase reselect");
1109 // *sync_neg = SYNC_NOT_YET;
1110 if ((phase & BUSMON_PHASE_MASK) != BUSPHASE_MESSAGE_IN) {
1112 tmpSC->result = DID_ABORT << 16;
1113 nsp_scsi_done(tmpSC);
1118 if ((irq_status & (IRQSTATUS_SCSI | IRQSTATUS_FIFO)) == 0) {
1127 //nsp_dbg(NSP_DEBUG_INTR, "start scsi seq");
1129 /* normal disconnect */
1130 if (((tmpSC->SCp.phase == PH_MSG_IN) || (tmpSC->SCp.phase == PH_MSG_OUT)) &&
1131 (irq_phase & LATCHED_BUS_FREE) != 0 ) {
1132 nsp_dbg(NSP_DEBUG_INTR, "normal disconnect irq_status=0x%x, phase=0x%x, irq_phase=0x%x", irq_status, phase, irq_phase);
1134 //*sync_neg = SYNC_NOT_YET;
1136 /* all command complete and return status */
1137 if (tmpSC->SCp.Message == MSG_COMMAND_COMPLETE) {
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);
1151 /* check unexpected bus free state */
1153 nsp_msg(KERN_DEBUG, "unexpected bus free. irq_status=0x%x, phase=0x%x, irq_phase=0x%x", irq_status, phase, irq_phase);
1155 *sync_neg = SYNC_NG;
1156 tmpSC->result = DID_ERROR << 16;
1157 nsp_scsi_done(tmpSC);
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");
1169 tmpSC->SCp.phase = PH_COMMAND;
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]);
1179 nsp_index_write(base, COMMANDCTRL, CLEAR_COMMAND_POINTER | AUTO_COMMAND_GO);
1182 case BUSPHASE_DATA_OUT:
1183 nsp_dbg(NSP_DEBUG_INTR, "BUSPHASE_DATA_OUT");
1185 tmpSC->SCp.phase = PH_DATA;
1186 tmpSC->SCp.have_data_in = IO_OUT;
1188 nsp_pio_write(tmpSC);
1192 case BUSPHASE_DATA_IN:
1193 nsp_dbg(NSP_DEBUG_INTR, "BUSPHASE_DATA_IN");
1195 tmpSC->SCp.phase = PH_DATA;
1196 tmpSC->SCp.have_data_in = IO_IN;
1198 nsp_pio_read(tmpSC);
1202 case BUSPHASE_STATUS:
1203 nsp_dataphase_bypass(tmpSC);
1204 nsp_dbg(NSP_DEBUG_INTR, "BUSPHASE_STATUS");
1206 tmpSC->SCp.phase = PH_STATUS;
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);
1213 case BUSPHASE_MESSAGE_OUT:
1214 nsp_dbg(NSP_DEBUG_INTR, "BUSPHASE_MESSAGE_OUT");
1215 if ((phase & BUSMON_REQ) == 0) {
1219 tmpSC->SCp.phase = PH_MSG_OUT;
1221 //*sync_neg = SYNC_NOT_YET;
1223 data->MsgLen = i = 0;
1224 data->MsgBuffer[i] = IDENTIFY(TRUE, lun); i++;
1226 if (*sync_neg == SYNC_NOT_YET) {
1227 data->Sync[target].SyncPeriod = 0;
1228 data->Sync[target].SyncOffset = 0;
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++;
1240 nsp_analyze_sdtr(tmpSC);
1242 nsp_message_out(tmpSC);
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) {
1252 tmpSC->SCp.phase = PH_MSG_IN;
1253 nsp_message_in(tmpSC);
1256 if (*sync_neg == SYNC_NOT_YET) {
1257 //nsp_dbg(NSP_DEBUG_INTR, "sync target=%d,lun=%d",target,lun);
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;
1268 data->Sync[target].SyncPeriod = 0;
1269 data->Sync[target].SyncOffset = 0;
1270 *sync_neg = SYNC_NG;
1272 nsp_analyze_sdtr(tmpSC);
1276 /* search last messeage byte */
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]);
1284 tmpSC->SCp.Message = tmp;
1286 nsp_dbg(NSP_DEBUG_INTR, "message=0x%x len=%d", tmpSC->SCp.Message, data->MsgLen);
1291 case BUSPHASE_SELECT:
1293 nsp_dbg(NSP_DEBUG_INTR, "BUSPHASE other");
1298 //nsp_dbg(NSP_DEBUG_INTR, "out");
1302 nsp_start_timer(tmpSC, 1000/102);
1307 #include "nsp_debug.c"
1308 #endif /* NSP_DEBUG */
1310 /*----------------------------------------------------------------*/
1311 /* look for ninja3 card and init if found */
1312 /*----------------------------------------------------------------*/
1313 static struct Scsi_Host *nsp_detect(struct scsi_host_template *sht)
1315 struct Scsi_Host *host; /* registered host structure */
1316 nsp_hw_data *data_b = &nsp_data_base, *data;
1318 nsp_dbg(NSP_DEBUG_INIT, "this_id=%d", sht->this_id);
1319 host = scsi_host_alloc(&nsp_driver_template, sizeof(nsp_hw_data));
1321 nsp_dbg(NSP_DEBUG_INIT, "host failed");
1325 memcpy(host->hostdata, data_b, sizeof(nsp_hw_data));
1326 data = (nsp_hw_data *)host->hostdata;
1327 data->ScsiInfo->host = host;
1332 nsp_dbg(NSP_DEBUG_INIT, "irq=%d,%d", data_b->IrqNumber, ((nsp_hw_data *)host->hostdata)->IrqNumber);
1334 host->unique_id = data->BaseAddress;
1335 host->io_port = data->BaseAddress;
1336 host->n_io_port = data->NumAddress;
1337 host->irq = data->IrqNumber;
1338 host->base = data->MmioAddress;
1340 spin_lock_init(&(data->Lock));
1342 snprintf(data->nspinfo,
1343 sizeof(data->nspinfo),
1344 "NinjaSCSI-3/32Bi Driver $Revision: 1.23 $ IO:0x%04lx-0x%04lx MMIO(virt addr):0x%04lx IRQ:%02d",
1345 host->io_port, host->io_port + host->n_io_port - 1,
1348 sht->name = data->nspinfo;
1350 nsp_dbg(NSP_DEBUG_INIT, "end");
1353 return host; /* detect done. */
1356 /*----------------------------------------------------------------*/
1357 /* return info string */
1358 /*----------------------------------------------------------------*/
1359 static const char *nsp_info(struct Scsi_Host *shpnt)
1361 nsp_hw_data *data = (nsp_hw_data *)shpnt->hostdata;
1363 return data->nspinfo;
1366 static int nsp_show_info(struct seq_file *m, struct Scsi_Host *host)
1370 unsigned long flags;
1374 hostno = host->host_no;
1375 data = (nsp_hw_data *)host->hostdata;
1377 seq_puts(m, "NinjaSCSI status\n\n"
1378 "Driver version: $Revision: 1.23 $\n");
1379 seq_printf(m, "SCSI host No.: %d\n", hostno);
1380 seq_printf(m, "IRQ: %d\n", host->irq);
1381 seq_printf(m, "IO: 0x%lx-0x%lx\n", host->io_port, host->io_port + host->n_io_port - 1);
1382 seq_printf(m, "MMIO(virtual address): 0x%lx-0x%lx\n", host->base, host->base + data->MmioLength - 1);
1383 seq_printf(m, "sg_tablesize: %d\n", host->sg_tablesize);
1385 seq_puts(m, "burst transfer mode: ");
1386 switch (nsp_burst_mode) {
1391 seq_puts(m, "io32");
1394 seq_puts(m, "mem32");
1403 spin_lock_irqsave(&(data->Lock), flags);
1404 seq_printf(m, "CurrentSC: 0x%p\n\n", data->CurrentSC);
1405 spin_unlock_irqrestore(&(data->Lock), flags);
1407 seq_puts(m, "SDTR status\n");
1408 for(id = 0; id < ARRAY_SIZE(data->Sync); id++) {
1410 seq_printf(m, "id %d: ", id);
1412 if (id == host->this_id) {
1413 seq_puts(m, "----- NinjaSCSI-3 host adapter\n");
1417 switch(data->Sync[id].SyncNegotiation) {
1419 seq_puts(m, " sync");
1422 seq_puts(m, "async");
1425 seq_puts(m, " none");
1428 seq_puts(m, "?????");
1432 if (data->Sync[id].SyncPeriod != 0) {
1433 speed = 1000000 / (data->Sync[id].SyncPeriod * 4);
1435 seq_printf(m, " transfer %d.%dMB/s, offset %d",
1438 data->Sync[id].SyncOffset
1446 /*---------------------------------------------------------------*/
1448 /*---------------------------------------------------------------*/
1451 static int nsp_eh_abort(struct scsi_cmnd *SCpnt)
1453 nsp_dbg(NSP_DEBUG_BUSRESET, "SCpnt=0x%p", SCpnt);
1455 return nsp_eh_bus_reset(SCpnt);
1458 static int nsp_bus_reset(nsp_hw_data *data)
1460 unsigned int base = data->BaseAddress;
1463 nsp_write(base, IRQCONTROL, IRQCONTROL_ALLMASK);
1465 nsp_index_write(base, SCSIBUSCTRL, SCSI_RST);
1466 mdelay(100); /* 100ms */
1467 nsp_index_write(base, SCSIBUSCTRL, 0);
1468 for(i = 0; i < 5; i++) {
1469 nsp_index_read(base, IRQPHASESENCE); /* dummy read */
1472 nsphw_init_sync(data);
1474 nsp_write(base, IRQCONTROL, IRQCONTROL_ALLCLEAR);
1479 static int nsp_eh_bus_reset(struct scsi_cmnd *SCpnt)
1481 nsp_hw_data *data = (nsp_hw_data *)SCpnt->device->host->hostdata;
1483 nsp_dbg(NSP_DEBUG_BUSRESET, "SCpnt=0x%p", SCpnt);
1485 return nsp_bus_reset(data);
1488 static int nsp_eh_host_reset(struct scsi_cmnd *SCpnt)
1490 nsp_hw_data *data = (nsp_hw_data *)SCpnt->device->host->hostdata;
1492 nsp_dbg(NSP_DEBUG_BUSRESET, "in");
1500 /**********************************************************************
1502 **********************************************************************/
1504 static int nsp_cs_probe(struct pcmcia_device *link)
1507 nsp_hw_data *data = &nsp_data_base;
1510 nsp_dbg(NSP_DEBUG_INIT, "in");
1512 /* Create new SCSI device */
1513 info = kzalloc(sizeof(*info), GFP_KERNEL);
1514 if (info == NULL) { return -ENOMEM; }
1517 data->ScsiInfo = info;
1519 nsp_dbg(NSP_DEBUG_INIT, "info=0x%p", info);
1521 ret = nsp_cs_config(link);
1523 nsp_dbg(NSP_DEBUG_INIT, "link=0x%p", link);
1525 } /* nsp_cs_attach */
1528 static void nsp_cs_detach(struct pcmcia_device *link)
1530 nsp_dbg(NSP_DEBUG_INIT, "in, link=0x%p", link);
1532 ((scsi_info_t *)link->priv)->stop = 1;
1533 nsp_cs_release(link);
1537 } /* nsp_cs_detach */
1540 static int nsp_cs_config_check(struct pcmcia_device *p_dev, void *priv_data)
1542 nsp_hw_data *data = priv_data;
1544 if (p_dev->config_index == 0)
1547 /* This reserves IO space but doesn't actually enable it */
1548 if (pcmcia_request_io(p_dev) != 0)
1551 if (resource_size(p_dev->resource[2])) {
1552 p_dev->resource[2]->flags |= (WIN_DATA_WIDTH_16 |
1553 WIN_MEMORY_TYPE_CM |
1555 if (p_dev->resource[2]->end < 0x1000)
1556 p_dev->resource[2]->end = 0x1000;
1557 if (pcmcia_request_window(p_dev, p_dev->resource[2], 0) != 0)
1559 if (pcmcia_map_mem_page(p_dev, p_dev->resource[2],
1560 p_dev->card_addr) != 0)
1563 data->MmioAddress = (unsigned long)
1564 ioremap(p_dev->resource[2]->start,
1565 resource_size(p_dev->resource[2]));
1566 data->MmioLength = resource_size(p_dev->resource[2]);
1568 /* If we got this far, we're cool! */
1572 nsp_dbg(NSP_DEBUG_INIT, "next");
1573 pcmcia_disable_device(p_dev);
1577 static int nsp_cs_config(struct pcmcia_device *link)
1580 scsi_info_t *info = link->priv;
1581 struct Scsi_Host *host;
1582 nsp_hw_data *data = &nsp_data_base;
1584 nsp_dbg(NSP_DEBUG_INIT, "in");
1586 link->config_flags |= CONF_ENABLE_IRQ | CONF_AUTO_CHECK_VCC |
1587 CONF_AUTO_SET_VPP | CONF_AUTO_AUDIO | CONF_AUTO_SET_IOMEM |
1590 ret = pcmcia_loop_config(link, nsp_cs_config_check, data);
1594 if (pcmcia_request_irq(link, nspintr))
1597 ret = pcmcia_enable_device(link);
1602 if (link->resource[0]) {
1603 release_region(link->resource[0]->start,
1604 resource_size(link->resource[0]));
1606 if (link->resource[1]) {
1607 release_region(link->resource[1]->start,
1608 resource_size(link->resource[1]));
1612 /* Set port and IRQ */
1613 data->BaseAddress = link->resource[0]->start;
1614 data->NumAddress = resource_size(link->resource[0]);
1615 data->IrqNumber = link->irq;
1617 nsp_dbg(NSP_DEBUG_INIT, "I/O[0x%x+0x%x] IRQ %d",
1618 data->BaseAddress, data->NumAddress, data->IrqNumber);
1620 if(nsphw_init(data) == FALSE) {
1624 host = nsp_detect(&nsp_driver_template);
1627 nsp_dbg(NSP_DEBUG_INIT, "detect failed");
1632 ret = scsi_add_host (host, NULL);
1636 scsi_scan_host(host);
1643 nsp_dbg(NSP_DEBUG_INIT, "config fail");
1644 nsp_cs_release(link);
1647 } /* nsp_cs_config */
1650 static void nsp_cs_release(struct pcmcia_device *link)
1652 scsi_info_t *info = link->priv;
1653 nsp_hw_data *data = NULL;
1655 if (info->host == NULL) {
1656 nsp_msg(KERN_DEBUG, "unexpected card release call.");
1658 data = (nsp_hw_data *)info->host->hostdata;
1661 nsp_dbg(NSP_DEBUG_INIT, "link=0x%p", link);
1663 /* Unlink the device chain */
1664 if (info->host != NULL) {
1665 scsi_remove_host(info->host);
1668 if (resource_size(link->resource[2])) {
1670 iounmap((void *)(data->MmioAddress));
1673 pcmcia_disable_device(link);
1675 if (info->host != NULL) {
1676 scsi_host_put(info->host);
1678 } /* nsp_cs_release */
1680 static int nsp_cs_suspend(struct pcmcia_device *link)
1682 scsi_info_t *info = link->priv;
1685 nsp_dbg(NSP_DEBUG_INIT, "event: suspend");
1687 if (info->host != NULL) {
1688 nsp_msg(KERN_INFO, "clear SDTR status");
1690 data = (nsp_hw_data *)info->host->hostdata;
1692 nsphw_init_sync(data);
1700 static int nsp_cs_resume(struct pcmcia_device *link)
1702 scsi_info_t *info = link->priv;
1705 nsp_dbg(NSP_DEBUG_INIT, "event: resume");
1709 if (info->host != NULL) {
1710 nsp_msg(KERN_INFO, "reset host and bus");
1712 data = (nsp_hw_data *)info->host->hostdata;
1715 nsp_bus_reset(data);
1721 /*======================================================================*
1722 * module entry point
1723 *====================================================================*/
1724 static const struct pcmcia_device_id nsp_cs_ids[] = {
1725 PCMCIA_DEVICE_PROD_ID123("IO DATA", "CBSC16 ", "1", 0x547e66dc, 0x0d63a3fd, 0x51de003a),
1726 PCMCIA_DEVICE_PROD_ID123("KME ", "SCSI-CARD-001", "1", 0x534c02bc, 0x52008408, 0x51de003a),
1727 PCMCIA_DEVICE_PROD_ID123("KME ", "SCSI-CARD-002", "1", 0x534c02bc, 0xcb09d5b2, 0x51de003a),
1728 PCMCIA_DEVICE_PROD_ID123("KME ", "SCSI-CARD-003", "1", 0x534c02bc, 0xbc0ee524, 0x51de003a),
1729 PCMCIA_DEVICE_PROD_ID123("KME ", "SCSI-CARD-004", "1", 0x534c02bc, 0x226a7087, 0x51de003a),
1730 PCMCIA_DEVICE_PROD_ID123("WBT", "NinjaSCSI-3", "R1.0", 0xc7ba805f, 0xfdc7c97d, 0x6973710e),
1731 PCMCIA_DEVICE_PROD_ID123("WORKBIT", "UltraNinja-16", "1", 0x28191418, 0xb70f4b09, 0x51de003a),
1734 MODULE_DEVICE_TABLE(pcmcia, nsp_cs_ids);
1736 static struct pcmcia_driver nsp_driver = {
1737 .owner = THIS_MODULE,
1739 .probe = nsp_cs_probe,
1740 .remove = nsp_cs_detach,
1741 .id_table = nsp_cs_ids,
1742 .suspend = nsp_cs_suspend,
1743 .resume = nsp_cs_resume,
1745 module_pcmcia_driver(nsp_driver);