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23#include <linux/kernel.h>
24#include <linux/module.h>
25#include <linux/slab.h>
26#include <asm/errno.h>
27#include <asm/io.h>
28#include <asm/uaccess.h>
29#include <linux/miscdevice.h>
30#include <linux/pci.h>
31#include <linux/wait.h>
32#include <linux/init.h>
33#include <linux/compatmac.h>
34
35#include "applicom.h"
36
37#if LINUX_VERSION_CODE < 0x20300
38
39#define init_waitqueue_head(x) do { *(x) = NULL; } while (0)
40#define PCI_BASE_ADDRESS(dev) (dev->base_address[0])
41#define DECLARE_WAIT_QUEUE_HEAD(x) struct wait_queue *x
42#define __setup(x,y)
43#else
44#define PCI_BASE_ADDRESS(dev) (dev->resource[0].start)
45#endif
46
47
48
49
50
51
52
53
54#undef DEBUG
55
56#define MAX_BOARD 8
57#define MAX_ISA_BOARD 4
58#define LEN_RAM_IO 0x800
59#define AC_MINOR 157
60
61#ifndef PCI_VENDOR_ID_APPLICOM
62#define PCI_VENDOR_ID_APPLICOM 0x1389
63#define PCI_DEVICE_ID_APPLICOM_PCIGENERIC 0x0001
64#define PCI_DEVICE_ID_APPLICOM_PCI2000IBS_CAN 0x0002
65#define PCI_DEVICE_ID_APPLICOM_PCI2000PFB 0x0003
66#endif
67#define MAX_PCI_DEVICE_NUM 3
68
69static char *applicom_pci_devnames[] = {
70 "PCI board",
71 "PCI2000IBS / PCI2000CAN",
72 "PCI2000PFB"
73};
74
75static struct pci_device_id applicom_pci_tbl[] = {
76 { PCI_VENDOR_ID_APPLICOM, PCI_DEVICE_ID_APPLICOM_PCIGENERIC,
77 PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0 },
78 { PCI_VENDOR_ID_APPLICOM, PCI_DEVICE_ID_APPLICOM_PCI2000IBS_CAN,
79 PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0 },
80 { PCI_VENDOR_ID_APPLICOM, PCI_DEVICE_ID_APPLICOM_PCI2000PFB,
81 PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0 },
82 { 0 }
83};
84MODULE_DEVICE_TABLE(pci, applicom_pci_tbl);
85
86MODULE_AUTHOR("David Woodhouse & Applicom International");
87MODULE_DESCRIPTION("Driver for Applicom Profibus card");
88MODULE_LICENSE("GPL");
89MODULE_PARM(irq, "i");
90MODULE_PARM_DESC(irq, "IRQ of the Applicom board");
91MODULE_PARM(mem, "i");
92MODULE_PARM_DESC(mem, "Shared Memory Address of Applicom board");
93
94MODULE_SUPPORTED_DEVICE("ac");
95
96
97static struct applicom_board {
98 unsigned long PhysIO;
99 unsigned long RamIO;
100 wait_queue_head_t FlagSleepSend;
101 long irq;
102 spinlock_t mutex;
103} apbs[MAX_BOARD];
104
105static unsigned int irq = 0;
106static unsigned long mem = 0;
107
108static unsigned int numboards;
109static volatile unsigned char Dummy;
110static DECLARE_WAIT_QUEUE_HEAD(FlagSleepRec);
111static unsigned int WriteErrorCount;
112static unsigned int ReadErrorCount;
113static unsigned int DeviceErrorCount;
114
115static ssize_t ac_read (struct file *, char *, size_t, loff_t *);
116static ssize_t ac_write (struct file *, const char *, size_t, loff_t *);
117static int ac_ioctl(struct inode *, struct file *, unsigned int,
118 unsigned long);
119static void ac_interrupt(int, void *, struct pt_regs *);
120
121static struct file_operations ac_fops = {
122 owner:THIS_MODULE,
123 llseek:no_llseek,
124 read:ac_read,
125 write:ac_write,
126 ioctl:ac_ioctl,
127};
128
129static struct miscdevice ac_miscdev = {
130 AC_MINOR,
131 "ac",
132 &ac_fops
133};
134
135static int dummy;
136
137static int ac_register_board(unsigned long physloc, unsigned long loc,
138 unsigned char boardno)
139{
140 volatile unsigned char byte_reset_it;
141
142 if((readb(loc + CONF_END_TEST) != 0x00) ||
143 (readb(loc + CONF_END_TEST + 1) != 0x55) ||
144 (readb(loc + CONF_END_TEST + 2) != 0xAA) ||
145 (readb(loc + CONF_END_TEST + 3) != 0xFF))
146 return 0;
147
148 if (!boardno)
149 boardno = readb(loc + NUMCARD_OWNER_TO_PC);
150
151 if (!boardno && boardno > MAX_BOARD) {
152 printk(KERN_WARNING "Board #%d (at 0x%lx) is out of range (1 <= x <= %d).\n",
153 boardno, physloc, MAX_BOARD);
154 return 0;
155 }
156
157 if (apbs[boardno - 1].RamIO) {
158 printk(KERN_WARNING "Board #%d (at 0x%lx) conflicts with previous board #%d (at 0x%lx)\n",
159 boardno, physloc, boardno, apbs[boardno-1].PhysIO);
160 return 0;
161 }
162
163 boardno--;
164
165 apbs[boardno].PhysIO = physloc;
166 apbs[boardno].RamIO = loc;
167 init_waitqueue_head(&apbs[boardno].FlagSleepSend);
168 spin_lock_init(&apbs[boardno].mutex);
169 byte_reset_it = readb(loc + RAM_IT_TO_PC);
170
171 numboards++;
172 return boardno + 1;
173}
174
175#ifdef MODULE
176
177#define applicom_init init_module
178
179void cleanup_module(void)
180{
181 int i;
182
183 misc_deregister(&ac_miscdev);
184
185 for (i = 0; i < MAX_BOARD; i++) {
186
187 if (!apbs[i].RamIO)
188 continue;
189
190 iounmap((void *) apbs[i].RamIO);
191
192 if (apbs[i].irq)
193 free_irq(apbs[i].irq, &dummy);
194 }
195}
196
197#endif
198
199int __init applicom_init(void)
200{
201 int i, numisa = 0;
202 struct pci_dev *dev = NULL;
203 void *RamIO;
204 int boardno;
205
206 printk(KERN_INFO "Applicom driver: $Id: ac.c,v 1.30 2000/03/22 16:03:57 dwmw2 Exp $\n");
207
208
209
210 while ( (dev = pci_find_class(PCI_CLASS_OTHERS << 16, dev))) {
211
212 if (dev->vendor != PCI_VENDOR_ID_APPLICOM)
213 continue;
214
215 if (dev->device > MAX_PCI_DEVICE_NUM || dev->device == 0)
216 continue;
217
218 if (pci_enable_device(dev))
219 return -EIO;
220
221 RamIO = ioremap(PCI_BASE_ADDRESS(dev), LEN_RAM_IO);
222
223 if (!RamIO) {
224 printk(KERN_INFO "ac.o: Failed to ioremap PCI memory space at 0x%lx\n", PCI_BASE_ADDRESS(dev));
225 pci_disable_device(dev);
226 return -EIO;
227 }
228
229 printk(KERN_INFO "Applicom %s found at mem 0x%lx, irq %d\n",
230 applicom_pci_devnames[dev->device-1], PCI_BASE_ADDRESS(dev),
231 dev->irq);
232
233 if (!(boardno = ac_register_board(PCI_BASE_ADDRESS(dev),
234 (unsigned long)RamIO,0))) {
235 printk(KERN_INFO "ac.o: PCI Applicom device doesn't have correct signature.\n");
236 iounmap(RamIO);
237 pci_disable_device(dev);
238 continue;
239 }
240
241 if (request_irq(dev->irq, &ac_interrupt, SA_SHIRQ, "Applicom PCI", &dummy)) {
242 printk(KERN_INFO "Could not allocate IRQ %d for PCI Applicom device.\n", dev->irq);
243 iounmap(RamIO);
244 pci_disable_device(dev);
245 apbs[boardno - 1].RamIO = 0;
246 continue;
247 }
248
249
250
251 writeb(0x40, apbs[boardno - 1].RamIO + RAM_IT_FROM_PC);
252
253 apbs[boardno - 1].irq = dev->irq;
254 }
255
256
257
258
259 if (!mem || !irq) {
260 if (numboards)
261 goto fin;
262 else {
263 printk(KERN_INFO "ac.o: No PCI boards found.\n");
264 printk(KERN_INFO "ac.o: For an ISA board you must supply memory and irq parameters.\n");
265 return -ENXIO;
266 }
267 }
268
269
270
271 for (i = 0; i < MAX_ISA_BOARD; i++) {
272 RamIO = ioremap(mem + (LEN_RAM_IO * i), LEN_RAM_IO);
273
274 if (!RamIO) {
275 printk(KERN_INFO "ac.o: Failed to ioremap the ISA card's memory space (slot #%d)\n", i + 1);
276 continue;
277 }
278
279 if (!(boardno = ac_register_board((unsigned long)mem+ (LEN_RAM_IO*i),
280 (unsigned long)RamIO,i+1))) {
281 iounmap(RamIO);
282 continue;
283 }
284
285 printk(KERN_NOTICE "Applicom ISA card found at mem 0x%lx, irq %d\n", mem + (LEN_RAM_IO*i), irq);
286
287 if (!numisa) {
288 if (request_irq(irq, &ac_interrupt, SA_SHIRQ, "Applicom ISA", &dummy)) {
289 printk(KERN_WARNING "Could not allocate IRQ %d for ISA Applicom device.\n", irq);
290 iounmap((void *) RamIO);
291 apbs[boardno - 1].RamIO = 0;
292 }
293 else
294 apbs[boardno - 1].irq = irq;
295 }
296 else
297 apbs[boardno - 1].irq = 0;
298
299 numisa++;
300 }
301
302 if (!numisa)
303 printk(KERN_WARNING"ac.o: No valid ISA Applicom boards found at mem 0x%lx\n",mem);
304
305 fin:
306 init_waitqueue_head(&FlagSleepRec);
307
308 WriteErrorCount = 0;
309 ReadErrorCount = 0;
310 DeviceErrorCount = 0;
311
312 if (numboards) {
313 misc_register(&ac_miscdev);
314 for (i = 0; i < MAX_BOARD; i++) {
315 int serial;
316 char boardname[(SERIAL_NUMBER - TYPE_CARD) + 1];
317
318 if (!apbs[i].RamIO)
319 continue;
320
321 for (serial = 0; serial < SERIAL_NUMBER - TYPE_CARD; serial++)
322 boardname[serial] = readb(apbs[i].RamIO + TYPE_CARD + serial);
323
324 boardname[serial] = 0;
325
326
327 printk(KERN_INFO "Applicom board %d: %s, PROM V%d.%d",
328 i+1, boardname,
329 (int)(readb(apbs[i].RamIO + VERS) >> 4),
330 (int)(readb(apbs[i].RamIO + VERS) & 0xF));
331
332 serial = (readb(apbs[i].RamIO + SERIAL_NUMBER) << 16) +
333 (readb(apbs[i].RamIO + SERIAL_NUMBER + 1) << 8) +
334 (readb(apbs[i].RamIO + SERIAL_NUMBER + 2) );
335
336 if (serial != 0)
337 printk(" S/N %d\n", serial);
338 else
339 printk("\n");
340 }
341 return 0;
342 }
343
344 else
345 return -ENXIO;
346}
347
348
349#ifndef MODULE
350__initcall(applicom_init);
351#endif
352
353static ssize_t ac_write(struct file *file, const char *buf, size_t count, loff_t * ppos)
354{
355 unsigned int NumCard;
356 unsigned int IndexCard;
357 unsigned char TicCard;
358 unsigned long flags;
359 struct st_ram_io st_loc;
360 struct mailbox tmpmailbox;
361#ifdef DEBUG
362 int c;
363#endif
364 DECLARE_WAITQUEUE(wait, current);
365
366 if (count != sizeof(struct st_ram_io) + sizeof(struct mailbox)) {
367 static int warncount = 5;
368 if (warncount) {
369 printk(KERN_INFO "Hmmm. write() of Applicom card, length %zd != expected %zd\n",
370 count, sizeof(struct st_ram_io) + sizeof(struct mailbox));
371 warncount--;
372 }
373 return -EINVAL;
374 }
375
376 if(copy_from_user(&st_loc, buf, sizeof(struct st_ram_io)))
377 return -EFAULT;
378
379 if(copy_from_user(&tmpmailbox, &buf[sizeof(struct st_ram_io)],
380 sizeof(struct mailbox)))
381 return -EFAULT;
382
383 NumCard = st_loc.num_card;
384 TicCard = st_loc.tic_des_from_pc;
385 IndexCard = NumCard - 1;
386
387 if((NumCard < 1) || (NumCard > MAX_BOARD) || !apbs[IndexCard].RamIO)
388 return -EINVAL;
389
390#ifdef DEBUG
391 printk("Write to applicom card #%d. struct st_ram_io follows:",
392 IndexCard+1);
393
394 for (c = 0; c < sizeof(struct st_ram_io);) {
395
396 printk("\n%5.5X: %2.2X", c, ((unsigned char *) &st_loc)[c]);
397
398 for (c++; c % 8 && c < sizeof(struct st_ram_io); c++) {
399 printk(" %2.2X", ((unsigned char *) &st_loc)[c]);
400 }
401 }
402
403 printk("\nstruct mailbox follows:");
404
405 for (c = 0; c < sizeof(struct mailbox);) {
406 printk("\n%5.5X: %2.2X", c, ((unsigned char *) &tmpmailbox)[c]);
407
408 for (c++; c % 8 && c < sizeof(struct mailbox); c++) {
409 printk(" %2.2X", ((unsigned char *) &tmpmailbox)[c]);
410 }
411 }
412
413 printk("\n");
414#endif
415
416 spin_lock_irqsave(&apbs[IndexCard].mutex, flags);
417
418
419 if(readb(apbs[IndexCard].RamIO + DATA_FROM_PC_READY) > 2) {
420 Dummy = readb(apbs[IndexCard].RamIO + VERS);
421 spin_unlock_irqrestore(&apbs[IndexCard].mutex, flags);
422 printk(KERN_WARNING "APPLICOM driver write error board %d, DataFromPcReady = %d\n",
423 IndexCard,(int)readb(apbs[IndexCard].RamIO + DATA_FROM_PC_READY));
424 DeviceErrorCount++;
425 return -EIO;
426 }
427
428
429 set_current_state(TASK_INTERRUPTIBLE);
430 add_wait_queue(&apbs[IndexCard].FlagSleepSend, &wait);
431
432
433 while (readb(apbs[IndexCard].RamIO + DATA_FROM_PC_READY) != 0) {
434 Dummy = readb(apbs[IndexCard].RamIO + VERS);
435
436
437 spin_unlock_irqrestore(&apbs[IndexCard].mutex, flags);
438 schedule();
439 if (signal_pending(current)) {
440 remove_wait_queue(&apbs[IndexCard].FlagSleepSend,
441 &wait);
442 return -EINTR;
443 }
444 spin_lock_irqsave(&apbs[IndexCard].mutex, flags);
445 set_current_state(TASK_INTERRUPTIBLE);
446 }
447
448
449 set_current_state(TASK_RUNNING);
450 remove_wait_queue(&apbs[IndexCard].FlagSleepSend, &wait);
451
452 writeb(1, apbs[IndexCard].RamIO + DATA_FROM_PC_READY);
453
454
455
456
457 {
458 unsigned char *from = (unsigned char *) &tmpmailbox;
459 unsigned long to = (unsigned long) apbs[IndexCard].RamIO + RAM_FROM_PC;
460 int c;
461
462 for (c = 0; c < sizeof(struct mailbox); c++)
463 writeb(*(from++), to++);
464 }
465
466 writeb(0x20, apbs[IndexCard].RamIO + TIC_OWNER_FROM_PC);
467 writeb(0xff, apbs[IndexCard].RamIO + NUMCARD_OWNER_FROM_PC);
468 writeb(TicCard, apbs[IndexCard].RamIO + TIC_DES_FROM_PC);
469 writeb(NumCard, apbs[IndexCard].RamIO + NUMCARD_DES_FROM_PC);
470 writeb(2, apbs[IndexCard].RamIO + DATA_FROM_PC_READY);
471 writeb(1, apbs[IndexCard].RamIO + RAM_IT_FROM_PC);
472 Dummy = readb(apbs[IndexCard].RamIO + VERS);
473 spin_unlock_irqrestore(&apbs[IndexCard].mutex, flags);
474 return 0;
475}
476
477static int do_ac_read(int IndexCard, char *buf,
478 struct st_ram_io *st_loc, struct mailbox *mailbox)
479{
480 unsigned long from = (unsigned long)apbs[IndexCard].RamIO + RAM_TO_PC;
481 unsigned char *to = (unsigned char *)&mailbox;
482#ifdef DEBUG
483 int c;
484#endif
485
486 st_loc->tic_owner_to_pc = readb(apbs[IndexCard].RamIO + TIC_OWNER_TO_PC);
487 st_loc->numcard_owner_to_pc = readb(apbs[IndexCard].RamIO + NUMCARD_OWNER_TO_PC);
488
489
490 {
491 int c;
492
493 for (c = 0; c < sizeof(struct mailbox); c++)
494 *(to++) = readb(from++);
495 }
496 writeb(1, apbs[IndexCard].RamIO + ACK_FROM_PC_READY);
497 writeb(1, apbs[IndexCard].RamIO + TYP_ACK_FROM_PC);
498 writeb(IndexCard+1, apbs[IndexCard].RamIO + NUMCARD_ACK_FROM_PC);
499 writeb(readb(apbs[IndexCard].RamIO + TIC_OWNER_TO_PC),
500 apbs[IndexCard].RamIO + TIC_ACK_FROM_PC);
501 writeb(2, apbs[IndexCard].RamIO + ACK_FROM_PC_READY);
502 writeb(0, apbs[IndexCard].RamIO + DATA_TO_PC_READY);
503 writeb(2, apbs[IndexCard].RamIO + RAM_IT_FROM_PC);
504 Dummy = readb(apbs[IndexCard].RamIO + VERS);
505
506#ifdef DEBUG
507 printk("Read from applicom card #%d. struct st_ram_io follows:", NumCard);
508
509 for (c = 0; c < sizeof(struct st_ram_io);) {
510 printk("\n%5.5X: %2.2X", c, ((unsigned char *)st_loc)[c]);
511
512 for (c++; c % 8 && c < sizeof(struct st_ram_io); c++) {
513 printk(" %2.2X", ((unsigned char *)st_loc)[c]);
514 }
515 }
516
517 printk("\nstruct mailbox follows:");
518
519 for (c = 0; c < sizeof(struct mailbox);) {
520 printk("\n%5.5X: %2.2X", c, ((unsigned char *)mailbox)[c]);
521
522 for (c++; c % 8 && c < sizeof(struct mailbox); c++) {
523 printk(" %2.2X", ((unsigned char *)mailbox)[c]);
524 }
525 }
526 printk("\n");
527#endif
528 return (sizeof(struct st_ram_io) + sizeof(struct mailbox));
529}
530
531static ssize_t ac_read (struct file *filp, char *buf, size_t count, loff_t *ptr)
532{
533 unsigned long flags;
534 unsigned int i;
535 unsigned char tmp;
536 int ret = 0;
537 DECLARE_WAITQUEUE(wait, current);
538#ifdef DEBUG
539 int loopcount=0;
540#endif
541
542 if (count != sizeof(struct st_ram_io) + sizeof(struct mailbox)) {
543 printk( KERN_WARNING "Hmmm. read() of Applicom card, length %zd != expected %zd\n",
544 count,sizeof(struct st_ram_io) + sizeof(struct mailbox));
545 return -EINVAL;
546 }
547
548 while(1) {
549
550 set_current_state(TASK_INTERRUPTIBLE);
551 add_wait_queue(&FlagSleepRec, &wait);
552
553
554 for (i=0; i < MAX_BOARD; i++) {
555 if (!apbs[i].RamIO)
556 continue;
557 spin_lock_irqsave(&apbs[i].mutex, flags);
558
559 tmp = readb(apbs[i].RamIO + DATA_TO_PC_READY);
560
561 if (tmp == 2) {
562 struct st_ram_io st_loc;
563 struct mailbox mailbox;
564
565
566 ret = do_ac_read(i, buf, &st_loc, &mailbox);
567 spin_unlock_irqrestore(&apbs[i].mutex, flags);
568 set_current_state(TASK_RUNNING);
569 remove_wait_queue(&FlagSleepRec, &wait);
570
571 if (copy_to_user(buf, &st_loc, sizeof(st_loc)))
572 return -EFAULT;
573 if (copy_to_user(buf + sizeof(st_loc), &mailbox, sizeof(mailbox)))
574 return -EFAULT;
575 return tmp;
576 }
577
578 if (tmp > 2) {
579
580 Dummy = readb(apbs[i].RamIO + VERS);
581
582 spin_unlock_irqrestore(&apbs[i].mutex, flags);
583 set_current_state(TASK_RUNNING);
584 remove_wait_queue(&FlagSleepRec, &wait);
585
586 printk(KERN_WARNING "APPLICOM driver read error board %d, DataToPcReady = %d\n",
587 i,(int)readb(apbs[i].RamIO + DATA_TO_PC_READY));
588 DeviceErrorCount++;
589 return -EIO;
590 }
591
592
593 Dummy = readb(apbs[i].RamIO + VERS);
594 spin_unlock_irqrestore(&apbs[i].mutex, flags);
595
596 }
597
598
599
600 schedule();
601 remove_wait_queue(&FlagSleepRec, &wait);
602
603 if (signal_pending(current))
604 return -EINTR;
605
606#ifdef DEBUG
607 if (loopcount++ > 2) {
608 printk("Looping in ac_read. loopcount %d\n", loopcount);
609 }
610#endif
611 }
612}
613
614static void ac_interrupt(int vec, void *dev_instance, struct pt_regs *regs)
615{
616 unsigned int i;
617 unsigned int FlagInt;
618 unsigned int LoopCount;
619
620
621
622 LoopCount = 0;
623
624 do {
625 FlagInt = 0;
626 for (i = 0; i < MAX_BOARD; i++) {
627
628
629 if (!apbs[i].RamIO)
630 continue;
631
632 spin_lock(&apbs[i].mutex);
633
634
635 if(readb(apbs[i].RamIO + RAM_IT_TO_PC) == 0) {
636 spin_unlock(&apbs[i].mutex);
637 continue;
638 }
639
640 FlagInt = 1;
641 writeb(0, apbs[i].RamIO + RAM_IT_TO_PC);
642
643 if (readb(apbs[i].RamIO + DATA_TO_PC_READY) > 2) {
644 printk(KERN_WARNING "APPLICOM driver interrupt err board %d, DataToPcReady = %d\n",
645 i+1,(int)readb(apbs[i].RamIO + DATA_TO_PC_READY));
646 DeviceErrorCount++;
647 }
648
649 if((readb(apbs[i].RamIO + DATA_FROM_PC_READY) > 2) &&
650 (readb(apbs[i].RamIO + DATA_FROM_PC_READY) != 6)) {
651
652 printk(KERN_WARNING "APPLICOM driver interrupt err board %d, DataFromPcReady = %d\n",
653 i+1,(int)readb(apbs[i].RamIO + DATA_FROM_PC_READY));
654 DeviceErrorCount++;
655 }
656
657 if (readb(apbs[i].RamIO + DATA_TO_PC_READY) == 2) {
658 if (waitqueue_active(&FlagSleepRec)) {
659 wake_up_interruptible(&FlagSleepRec);
660 }
661 }
662
663 if (readb(apbs[i].RamIO + DATA_FROM_PC_READY) == 0) {
664 if (waitqueue_active(&apbs[i].FlagSleepSend)) {
665 wake_up_interruptible(&apbs[i].FlagSleepSend);
666 }
667 }
668 Dummy = readb(apbs[i].RamIO + VERS);
669
670 if(readb(apbs[i].RamIO + RAM_IT_TO_PC)) {
671
672 spin_unlock(&apbs[i].mutex);
673 i--;
674 } else {
675 spin_unlock(&apbs[i].mutex);
676 }
677 }
678 if (FlagInt)
679 LoopCount = 0;
680 else
681 LoopCount++;
682 } while(LoopCount < 2);
683}
684
685
686
687static int ac_ioctl(struct inode *inode, struct file *file, unsigned int cmd, unsigned long arg)
688
689{
690 int i;
691 unsigned char IndexCard;
692 unsigned long pmem;
693 int ret = 0;
694 volatile unsigned char byte_reset_it;
695 struct st_ram_io *adgl;
696
697
698
699
700 adgl = kmalloc(sizeof(struct st_ram_io), GFP_KERNEL);
701 if (!adgl)
702 return -ENOMEM;
703
704 if (copy_from_user(adgl, (void *)arg,sizeof(struct st_ram_io))) {
705 kfree(adgl);
706 return -EFAULT;
707 }
708
709 IndexCard = adgl->num_card-1;
710
711 if(cmd != 0 && cmd != 6 &&
712 ((IndexCard >= MAX_BOARD) || !apbs[IndexCard].RamIO)) {
713 static int warncount = 10;
714 if (warncount) {
715 printk( KERN_WARNING "APPLICOM driver IOCTL, bad board number %d\n",(int)IndexCard+1);
716 warncount--;
717 }
718 kfree(adgl);
719 return -EINVAL;
720 }
721
722 switch (cmd) {
723
724 case 0:
725 pmem = apbs[IndexCard].RamIO;
726 for (i = 0; i < sizeof(struct st_ram_io); i++)
727 ((unsigned char *)adgl)[i]=readb(pmem++);
728 if (copy_to_user((void *)arg, adgl, sizeof(struct st_ram_io)))
729 ret = -EFAULT;
730 break;
731 case 1:
732 pmem = apbs[IndexCard].RamIO + CONF_END_TEST;
733 for (i = 0; i < 4; i++)
734 adgl->conf_end_test[i] = readb(pmem++);
735 for (i = 0; i < 2; i++)
736 adgl->error_code[i] = readb(pmem++);
737 for (i = 0; i < 4; i++)
738 adgl->parameter_error[i] = readb(pmem++);
739 pmem = apbs[IndexCard].RamIO + VERS;
740 adgl->vers = readb(pmem);
741 pmem = apbs[IndexCard].RamIO + TYPE_CARD;
742 for (i = 0; i < 20; i++)
743 adgl->reserv1[i] = readb(pmem++);
744 *(int *)&adgl->reserv1[20] =
745 (readb(apbs[IndexCard].RamIO + SERIAL_NUMBER) << 16) +
746 (readb(apbs[IndexCard].RamIO + SERIAL_NUMBER + 1) << 8) +
747 (readb(apbs[IndexCard].RamIO + SERIAL_NUMBER + 2) );
748
749 if (copy_to_user((void *)arg, adgl, sizeof(struct st_ram_io)))
750 ret = -EFAULT;
751 break;
752 case 2:
753 pmem = apbs[IndexCard].RamIO + CONF_END_TEST;
754 for (i = 0; i < 10; i++)
755 writeb(0xff, pmem++);
756 writeb(adgl->data_from_pc_ready,
757 apbs[IndexCard].RamIO + DATA_FROM_PC_READY);
758
759 writeb(1, apbs[IndexCard].RamIO + RAM_IT_FROM_PC);
760
761 for (i = 0; i < MAX_BOARD; i++) {
762 if (apbs[i].RamIO) {
763 byte_reset_it = readb(apbs[i].RamIO + RAM_IT_TO_PC);
764 }
765 }
766 break;
767 case 3:
768 pmem = apbs[IndexCard].RamIO + TIC_DES_FROM_PC;
769 writeb(adgl->tic_des_from_pc, pmem);
770 break;
771 case 4:
772 pmem = apbs[IndexCard].RamIO + TIC_OWNER_TO_PC;
773 adgl->tic_owner_to_pc = readb(pmem++);
774 adgl->numcard_owner_to_pc = readb(pmem);
775 if (copy_to_user((void *)arg, adgl,sizeof(struct st_ram_io)))
776 ret = -EFAULT;
777 break;
778 case 5:
779 writeb(adgl->num_card, apbs[IndexCard].RamIO + NUMCARD_OWNER_TO_PC);
780 writeb(adgl->num_card, apbs[IndexCard].RamIO + NUMCARD_DES_FROM_PC);
781 writeb(adgl->num_card, apbs[IndexCard].RamIO + NUMCARD_ACK_FROM_PC);
782 writeb(4, apbs[IndexCard].RamIO + DATA_FROM_PC_READY);
783 writeb(1, apbs[IndexCard].RamIO + RAM_IT_FROM_PC);
784 break;
785 case 6:
786 printk(KERN_INFO "APPLICOM driver release .... V2.8.0 ($Revision: 1.30 $)\n");
787 printk(KERN_INFO "Number of installed boards . %d\n", (int) numboards);
788 printk(KERN_INFO "Segment of board ........... %X\n", (int) mem);
789 printk(KERN_INFO "Interrupt IRQ number ....... %d\n", (int) irq);
790 for (i = 0; i < MAX_BOARD; i++) {
791 int serial;
792 char boardname[(SERIAL_NUMBER - TYPE_CARD) + 1];
793
794 if (!apbs[i].RamIO)
795 continue;
796
797 for (serial = 0; serial < SERIAL_NUMBER - TYPE_CARD; serial++)
798 boardname[serial] = readb(apbs[i].RamIO + TYPE_CARD + serial);
799 boardname[serial] = 0;
800
801 printk(KERN_INFO "Prom version board %d ....... V%d.%d %s",
802 i+1,
803 (int)(readb(apbs[IndexCard].RamIO + VERS) >> 4),
804 (int)(readb(apbs[IndexCard].RamIO + VERS) & 0xF),
805 boardname);
806
807
808 serial = (readb(apbs[i].RamIO + SERIAL_NUMBER) << 16) +
809 (readb(apbs[i].RamIO + SERIAL_NUMBER + 1) << 8) +
810 (readb(apbs[i].RamIO + SERIAL_NUMBER + 2) );
811
812 if (serial != 0)
813 printk(" S/N %d\n", serial);
814 else
815 printk("\n");
816 }
817 if (DeviceErrorCount != 0)
818 printk(KERN_INFO "DeviceErrorCount ........... %d\n", DeviceErrorCount);
819 if (ReadErrorCount != 0)
820 printk(KERN_INFO "ReadErrorCount ............. %d\n", ReadErrorCount);
821 if (WriteErrorCount != 0)
822 printk(KERN_INFO "WriteErrorCount ............ %d\n", WriteErrorCount);
823 if (waitqueue_active(&FlagSleepRec))
824 printk(KERN_INFO "Process in read pending\n");
825 for (i = 0; i < MAX_BOARD; i++) {
826 if (apbs[i].RamIO && waitqueue_active(&apbs[i].FlagSleepSend))
827 printk(KERN_INFO "Process in write pending board %d\n",i+1);
828 }
829 break;
830 default:
831 printk(KERN_INFO "APPLICOM driver ioctl, unknown function code %d\n",cmd) ;
832 ret = -EINVAL;
833 break;
834 }
835 Dummy = readb(apbs[IndexCard].RamIO + VERS);
836 kfree(adgl);
837 return 0;
838}
839
840#ifndef MODULE
841static int __init applicom_setup(char *str)
842{
843 int ints[4];
844
845 (void) get_options(str, 4, ints);
846
847 if (ints[0] > 2) {
848 printk(KERN_WARNING "Too many arguments to 'applicom=', expected mem,irq only.\n");
849 }
850
851 if (ints[0] < 2) {
852 printk(KERN_INFO"applicom numargs: %d\n", ints[0]);
853 return 0;
854 }
855
856 mem = ints[1];
857 irq = ints[2];
858 return 1;
859}
860
861__setup("applicom=", applicom_setup);
862
863#endif
864
865
