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12#include <linux/module.h>
13#include <linux/init.h>
14#include <linux/kernel.h>
15#include <linux/uaccess.h>
16#include <asm/io.h>
17#include <linux/ioport.h>
18#include <linux/pci.h>
19#include <linux/interrupt.h>
20#include <linux/list.h>
21#include <linux/poll.h>
22#include <linux/kmod.h>
23
24#include "platform.h"
25#undef ID_MASK
26#undef N_DATA
27#include "pc.h"
28#include "di_defs.h"
29#include "divasync.h"
30#include "diva.h"
31#include "di.h"
32#include "io.h"
33#include "xdi_msg.h"
34#include "xdi_adapter.h"
35#include "xdi_vers.h"
36#include "diva_dma.h"
37#include "diva_pci.h"
38
39static char *main_revision = "$Revision: 1.55.4.6 $";
40
41static int major;
42
43static int dbgmask;
44
45MODULE_DESCRIPTION("Kernel driver for Eicon DIVA Server cards");
46MODULE_AUTHOR("Cytronics & Melware, Eicon Networks");
47MODULE_LICENSE("GPL");
48
49module_param(dbgmask, int, 0);
50MODULE_PARM_DESC(dbgmask, "initial debug mask");
51
52static char *DRIVERNAME =
53 "Eicon DIVA Server driver (http://www.melware.net)";
54static char *DRIVERLNAME = "divas";
55static char *DEVNAME = "Divas";
56char *DRIVERRELEASE_DIVAS = "2.0";
57
58extern irqreturn_t diva_os_irq_wrapper(int irq, void *context);
59extern int create_divas_proc(void);
60extern void remove_divas_proc(void);
61extern void diva_get_vserial_number(PISDN_ADAPTER IoAdapter, char *buf);
62extern int divasfunc_init(int dbgmask);
63extern void divasfunc_exit(void);
64
65typedef struct _diva_os_thread_dpc {
66 struct tasklet_struct divas_task;
67 diva_os_soft_isr_t *psoft_isr;
68} diva_os_thread_dpc_t;
69
70
71
72
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76
77
78
79
80
81
82#if !defined(PCI_DEVICE_ID_EICON_MAESTRAP_2)
83#define PCI_DEVICE_ID_EICON_MAESTRAP_2 0xE015
84#endif
85
86#if !defined(PCI_DEVICE_ID_EICON_4BRI_VOIP)
87#define PCI_DEVICE_ID_EICON_4BRI_VOIP 0xE016
88#endif
89
90#if !defined(PCI_DEVICE_ID_EICON_4BRI_2_VOIP)
91#define PCI_DEVICE_ID_EICON_4BRI_2_VOIP 0xE017
92#endif
93
94#if !defined(PCI_DEVICE_ID_EICON_BRI2M_2)
95#define PCI_DEVICE_ID_EICON_BRI2M_2 0xE018
96#endif
97
98#if !defined(PCI_DEVICE_ID_EICON_MAESTRAP_2_VOIP)
99#define PCI_DEVICE_ID_EICON_MAESTRAP_2_VOIP 0xE019
100#endif
101
102#if !defined(PCI_DEVICE_ID_EICON_2F)
103#define PCI_DEVICE_ID_EICON_2F 0xE01A
104#endif
105
106#if !defined(PCI_DEVICE_ID_EICON_BRI2M_2_VOIP)
107#define PCI_DEVICE_ID_EICON_BRI2M_2_VOIP 0xE01B
108#endif
109
110
111
112
113static const struct pci_device_id divas_pci_tbl[] = {
114
115 { PCI_VDEVICE(EICON, PCI_DEVICE_ID_EICON_MAESTRA),
116 CARDTYPE_MAESTRA_PCI },
117
118 { PCI_VDEVICE(EICON, PCI_DEVICE_ID_EICON_MAESTRAQ),
119 CARDTYPE_DIVASRV_Q_8M_PCI },
120
121 { PCI_VDEVICE(EICON, PCI_DEVICE_ID_EICON_MAESTRAQ_U),
122 CARDTYPE_DIVASRV_Q_8M_V2_PCI },
123
124 { PCI_VDEVICE(EICON, PCI_DEVICE_ID_EICON_MAESTRAP),
125 CARDTYPE_DIVASRV_P_30M_PCI },
126
127 { PCI_VDEVICE(EICON, PCI_DEVICE_ID_EICON_MAESTRAP_2),
128 CARDTYPE_DIVASRV_P_30M_V2_PCI },
129
130 { PCI_VDEVICE(EICON, PCI_DEVICE_ID_EICON_4BRI_VOIP),
131 CARDTYPE_DIVASRV_VOICE_Q_8M_PCI },
132
133 { PCI_VDEVICE(EICON, PCI_DEVICE_ID_EICON_4BRI_2_VOIP),
134 CARDTYPE_DIVASRV_VOICE_Q_8M_V2_PCI },
135
136 { PCI_VDEVICE(EICON, PCI_DEVICE_ID_EICON_BRI2M_2),
137 CARDTYPE_DIVASRV_B_2M_V2_PCI },
138
139 { PCI_VDEVICE(EICON, PCI_DEVICE_ID_EICON_MAESTRAP_2_VOIP),
140 CARDTYPE_DIVASRV_VOICE_P_30M_V2_PCI },
141
142 { PCI_VDEVICE(EICON, PCI_DEVICE_ID_EICON_2F),
143 CARDTYPE_DIVASRV_B_2F_PCI },
144
145 { PCI_VDEVICE(EICON, PCI_DEVICE_ID_EICON_BRI2M_2_VOIP),
146 CARDTYPE_DIVASRV_VOICE_B_2M_V2_PCI },
147 { 0, }
148};
149MODULE_DEVICE_TABLE(pci, divas_pci_tbl);
150
151static int divas_init_one(struct pci_dev *pdev,
152 const struct pci_device_id *ent);
153static void divas_remove_one(struct pci_dev *pdev);
154
155static struct pci_driver diva_pci_driver = {
156 .name = "divas",
157 .probe = divas_init_one,
158 .remove = divas_remove_one,
159 .id_table = divas_pci_tbl,
160};
161
162
163
164
165static char *getrev(const char *revision)
166{
167 char *rev;
168 char *p;
169 if ((p = strchr(revision, ':'))) {
170 rev = p + 2;
171 p = strchr(rev, '$');
172 *--p = 0;
173 } else
174 rev = "1.0";
175 return rev;
176}
177
178void diva_log_info(unsigned char *format, ...)
179{
180 va_list args;
181 unsigned char line[160];
182
183 va_start(args, format);
184 vsnprintf(line, sizeof(line), format, args);
185 va_end(args);
186
187 printk(KERN_INFO "%s: %s\n", DRIVERLNAME, line);
188}
189
190void divas_get_version(char *p)
191{
192 char tmprev[32];
193
194 strcpy(tmprev, main_revision);
195 sprintf(p, "%s: %s(%s) %s(%s) major=%d\n", DRIVERLNAME, DRIVERRELEASE_DIVAS,
196 getrev(tmprev), diva_xdi_common_code_build, DIVA_BUILD, major);
197}
198
199
200
201
202byte diva_os_get_pci_bus(void *pci_dev_handle)
203{
204 struct pci_dev *pdev = (struct pci_dev *) pci_dev_handle;
205 return ((byte) pdev->bus->number);
206}
207
208byte diva_os_get_pci_func(void *pci_dev_handle)
209{
210 struct pci_dev *pdev = (struct pci_dev *) pci_dev_handle;
211 return ((byte) pdev->devfn);
212}
213
214unsigned long divasa_get_pci_irq(unsigned char bus, unsigned char func,
215 void *pci_dev_handle)
216{
217 unsigned char irq = 0;
218 struct pci_dev *dev = (struct pci_dev *) pci_dev_handle;
219
220 irq = dev->irq;
221
222 return ((unsigned long) irq);
223}
224
225unsigned long divasa_get_pci_bar(unsigned char bus, unsigned char func,
226 int bar, void *pci_dev_handle)
227{
228 unsigned long ret = 0;
229 struct pci_dev *dev = (struct pci_dev *) pci_dev_handle;
230
231 if (bar < 6) {
232 ret = dev->resource[bar].start;
233 }
234
235 DBG_TRC(("GOT BAR[%d]=%08x", bar, ret));
236
237 {
238 unsigned long type = (ret & 0x00000001);
239 if (type & PCI_BASE_ADDRESS_SPACE_IO) {
240 DBG_TRC((" I/O"));
241 ret &= PCI_BASE_ADDRESS_IO_MASK;
242 } else {
243 DBG_TRC((" memory"));
244 ret &= PCI_BASE_ADDRESS_MEM_MASK;
245 }
246 DBG_TRC((" final=%08x", ret));
247 }
248
249 return (ret);
250}
251
252void PCIwrite(byte bus, byte func, int offset, void *data, int length,
253 void *pci_dev_handle)
254{
255 struct pci_dev *dev = (struct pci_dev *) pci_dev_handle;
256
257 switch (length) {
258 case 1:
259 pci_write_config_byte(dev, offset,
260 *(unsigned char *) data);
261 break;
262 case 2:
263 pci_write_config_word(dev, offset,
264 *(unsigned short *) data);
265 break;
266 case 4:
267 pci_write_config_dword(dev, offset,
268 *(unsigned int *) data);
269 break;
270
271 default:
272 if (!(length % 4) && !(length & 0x03)) {
273 dword *p = (dword *) data;
274 length /= 4;
275
276 while (length--) {
277 pci_write_config_dword(dev, offset,
278 *(unsigned int *)
279 p++);
280 }
281 } else {
282 byte *p = (byte *) data;
283
284 while (length--) {
285 pci_write_config_byte(dev, offset,
286 *(unsigned char *)
287 p++);
288 }
289 }
290 }
291}
292
293void PCIread(byte bus, byte func, int offset, void *data, int length,
294 void *pci_dev_handle)
295{
296 struct pci_dev *dev = (struct pci_dev *) pci_dev_handle;
297
298 switch (length) {
299 case 1:
300 pci_read_config_byte(dev, offset, (unsigned char *) data);
301 break;
302 case 2:
303 pci_read_config_word(dev, offset, (unsigned short *) data);
304 break;
305 case 4:
306 pci_read_config_dword(dev, offset, (unsigned int *) data);
307 break;
308
309 default:
310 if (!(length % 4) && !(length & 0x03)) {
311 dword *p = (dword *) data;
312 length /= 4;
313
314 while (length--) {
315 pci_read_config_dword(dev, offset,
316 (unsigned int *)
317 p++);
318 }
319 } else {
320 byte *p = (byte *) data;
321
322 while (length--) {
323 pci_read_config_byte(dev, offset,
324 (unsigned char *)
325 p++);
326 }
327 }
328 }
329}
330
331
332
333
334
335
336static void *diva_pci_alloc_consistent(struct pci_dev *hwdev,
337 size_t size,
338 dma_addr_t *dma_handle,
339 void **addr_handle)
340{
341 void *addr = pci_alloc_consistent(hwdev, size, dma_handle);
342
343 *addr_handle = addr;
344
345 return (addr);
346}
347
348void diva_init_dma_map(void *hdev,
349 struct _diva_dma_map_entry **ppmap, int nentries)
350{
351 struct pci_dev *pdev = (struct pci_dev *) hdev;
352 struct _diva_dma_map_entry *pmap =
353 diva_alloc_dma_map(hdev, nentries);
354
355 if (pmap) {
356 int i;
357 dma_addr_t dma_handle;
358 void *cpu_addr;
359 void *addr_handle;
360
361 for (i = 0; i < nentries; i++) {
362 if (!(cpu_addr = diva_pci_alloc_consistent(pdev,
363 PAGE_SIZE,
364 &dma_handle,
365 &addr_handle)))
366 {
367 break;
368 }
369 diva_init_dma_map_entry(pmap, i, cpu_addr,
370 (dword) dma_handle,
371 addr_handle);
372 DBG_TRC(("dma map alloc [%d]=(%08lx:%08x:%08lx)",
373 i, (unsigned long) cpu_addr,
374 (dword) dma_handle,
375 (unsigned long) addr_handle))}
376 }
377
378 *ppmap = pmap;
379}
380
381
382
383
384
385void diva_free_dma_map(void *hdev, struct _diva_dma_map_entry *pmap)
386{
387 struct pci_dev *pdev = (struct pci_dev *) hdev;
388 int i;
389 dword phys_addr;
390 void *cpu_addr;
391 dma_addr_t dma_handle;
392 void *addr_handle;
393
394 for (i = 0; (pmap != NULL); i++) {
395 diva_get_dma_map_entry(pmap, i, &cpu_addr, &phys_addr);
396 if (!cpu_addr) {
397 break;
398 }
399 addr_handle = diva_get_entry_handle(pmap, i);
400 dma_handle = (dma_addr_t) phys_addr;
401 pci_free_consistent(pdev, PAGE_SIZE, addr_handle,
402 dma_handle);
403 DBG_TRC(("dma map free [%d]=(%08lx:%08x:%08lx)", i,
404 (unsigned long) cpu_addr, (dword) dma_handle,
405 (unsigned long) addr_handle))
406 }
407
408 diva_free_dma_mapping(pmap);
409}
410
411
412
413
414
415
416int
417diva_os_register_io_port(void *adapter, int on, unsigned long port,
418 unsigned long length, const char *name, int id)
419{
420 if (on) {
421 if (!request_region(port, length, name)) {
422 DBG_ERR(("A: I/O: can't register port=%08x", port))
423 return (-1);
424 }
425 } else {
426 release_region(port, length);
427 }
428 return (0);
429}
430
431void __iomem *divasa_remap_pci_bar(diva_os_xdi_adapter_t *a, int id, unsigned long bar, unsigned long area_length)
432{
433 void __iomem *ret = ioremap(bar, area_length);
434 DBG_TRC(("remap(%08x)->%p", bar, ret));
435 return (ret);
436}
437
438void divasa_unmap_pci_bar(void __iomem *bar)
439{
440 if (bar) {
441 iounmap(bar);
442 }
443}
444
445
446
447
448inline byte inpp(void __iomem *addr)
449{
450 return (inb((unsigned long) addr));
451}
452
453inline word inppw(void __iomem *addr)
454{
455 return (inw((unsigned long) addr));
456}
457
458inline void inppw_buffer(void __iomem *addr, void *P, int length)
459{
460 insw((unsigned long) addr, (word *) P, length >> 1);
461}
462
463inline void outppw_buffer(void __iomem *addr, void *P, int length)
464{
465 outsw((unsigned long) addr, (word *) P, length >> 1);
466}
467
468inline void outppw(void __iomem *addr, word w)
469{
470 outw(w, (unsigned long) addr);
471}
472
473inline void outpp(void __iomem *addr, word p)
474{
475 outb(p, (unsigned long) addr);
476}
477
478
479
480
481int diva_os_register_irq(void *context, byte irq, const char *name)
482{
483 int result = request_irq(irq, diva_os_irq_wrapper,
484 IRQF_SHARED, name, context);
485 return (result);
486}
487
488void diva_os_remove_irq(void *context, byte irq)
489{
490 free_irq(irq, context);
491}
492
493
494
495
496static void diva_os_dpc_proc(unsigned long context)
497{
498 diva_os_thread_dpc_t *psoft_isr = (diva_os_thread_dpc_t *) context;
499 diva_os_soft_isr_t *pisr = psoft_isr->psoft_isr;
500
501 (*(pisr->callback)) (pisr, pisr->callback_context);
502}
503
504int diva_os_initialize_soft_isr(diva_os_soft_isr_t *psoft_isr,
505 diva_os_soft_isr_callback_t callback,
506 void *callback_context)
507{
508 diva_os_thread_dpc_t *pdpc;
509
510 pdpc = (diva_os_thread_dpc_t *) diva_os_malloc(0, sizeof(*pdpc));
511 if (!(psoft_isr->object = pdpc)) {
512 return (-1);
513 }
514 memset(pdpc, 0x00, sizeof(*pdpc));
515 psoft_isr->callback = callback;
516 psoft_isr->callback_context = callback_context;
517 pdpc->psoft_isr = psoft_isr;
518 tasklet_init(&pdpc->divas_task, diva_os_dpc_proc, (unsigned long)pdpc);
519
520 return (0);
521}
522
523int diva_os_schedule_soft_isr(diva_os_soft_isr_t *psoft_isr)
524{
525 if (psoft_isr && psoft_isr->object) {
526 diva_os_thread_dpc_t *pdpc =
527 (diva_os_thread_dpc_t *) psoft_isr->object;
528
529 tasklet_schedule(&pdpc->divas_task);
530 }
531
532 return (1);
533}
534
535int diva_os_cancel_soft_isr(diva_os_soft_isr_t *psoft_isr)
536{
537 return (0);
538}
539
540void diva_os_remove_soft_isr(diva_os_soft_isr_t *psoft_isr)
541{
542 if (psoft_isr && psoft_isr->object) {
543 diva_os_thread_dpc_t *pdpc =
544 (diva_os_thread_dpc_t *) psoft_isr->object;
545 void *mem;
546
547 tasklet_kill(&pdpc->divas_task);
548 mem = psoft_isr->object;
549 psoft_isr->object = NULL;
550 diva_os_free(0, mem);
551 }
552}
553
554
555
556
557static int
558xdi_copy_to_user(void *os_handle, void __user *dst, const void *src, int length)
559{
560 if (copy_to_user(dst, src, length)) {
561 return (-EFAULT);
562 }
563 return (length);
564}
565
566static int
567xdi_copy_from_user(void *os_handle, void *dst, const void __user *src, int length)
568{
569 if (copy_from_user(dst, src, length)) {
570 return (-EFAULT);
571 }
572 return (length);
573}
574
575
576
577
578static int divas_open(struct inode *inode, struct file *file)
579{
580 return (0);
581}
582
583static int divas_release(struct inode *inode, struct file *file)
584{
585 if (file->private_data) {
586 diva_xdi_close_adapter(file->private_data, file);
587 }
588 return (0);
589}
590
591static ssize_t divas_write(struct file *file, const char __user *buf,
592 size_t count, loff_t *ppos)
593{
594 diva_xdi_um_cfg_cmd_t msg;
595 int ret = -EINVAL;
596
597 if (!file->private_data) {
598 file->private_data = diva_xdi_open_adapter(file, buf,
599 count, &msg,
600 xdi_copy_from_user);
601 if (!file->private_data)
602 return (-ENODEV);
603 ret = diva_xdi_write(file->private_data, file,
604 buf, count, &msg, xdi_copy_from_user);
605 } else {
606 ret = diva_xdi_write(file->private_data, file,
607 buf, count, NULL, xdi_copy_from_user);
608 }
609
610 switch (ret) {
611 case -1:
612 ret = -EBUSY;
613 break;
614 case -2:
615 ret = -ENOMEM;
616 break;
617 case -3:
618 ret = -ENXIO;
619 break;
620 }
621 DBG_TRC(("write: ret %d", ret));
622 return (ret);
623}
624
625static ssize_t divas_read(struct file *file, char __user *buf,
626 size_t count, loff_t *ppos)
627{
628 diva_xdi_um_cfg_cmd_t msg;
629 int ret = -EINVAL;
630
631 if (!file->private_data) {
632 file->private_data = diva_xdi_open_adapter(file, buf,
633 count, &msg,
634 xdi_copy_from_user);
635 }
636 if (!file->private_data) {
637 return (-ENODEV);
638 }
639
640 ret = diva_xdi_read(file->private_data, file,
641 buf, count, xdi_copy_to_user);
642 switch (ret) {
643 case -1:
644 ret = -EAGAIN;
645 break;
646 case -2:
647 ret = -ENOMEM;
648 break;
649 case -3:
650 ret = -EFAULT;
651 break;
652 }
653 DBG_TRC(("read: ret %d", ret));
654 return (ret);
655}
656
657static __poll_t divas_poll(struct file *file, poll_table *wait)
658{
659 if (!file->private_data) {
660 return (EPOLLERR);
661 }
662 return (EPOLLIN | EPOLLRDNORM);
663}
664
665static const struct file_operations divas_fops = {
666 .owner = THIS_MODULE,
667 .llseek = no_llseek,
668 .read = divas_read,
669 .write = divas_write,
670 .poll = divas_poll,
671 .open = divas_open,
672 .release = divas_release
673};
674
675static void divas_unregister_chrdev(void)
676{
677 unregister_chrdev(major, DEVNAME);
678}
679
680static int __init divas_register_chrdev(void)
681{
682 if ((major = register_chrdev(0, DEVNAME, &divas_fops)) < 0)
683 {
684 printk(KERN_ERR "%s: failed to create /dev entry.\n",
685 DRIVERLNAME);
686 return (0);
687 }
688
689 return (1);
690}
691
692
693
694
695static int divas_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
696{
697 void *pdiva = NULL;
698 u8 pci_latency;
699 u8 new_latency = 32;
700
701 DBG_TRC(("%s bus: %08x fn: %08x insertion.\n",
702 CardProperties[ent->driver_data].Name,
703 pdev->bus->number, pdev->devfn))
704 printk(KERN_INFO "%s: %s bus: %08x fn: %08x insertion.\n",
705 DRIVERLNAME, CardProperties[ent->driver_data].Name,
706 pdev->bus->number, pdev->devfn);
707
708 if (pci_enable_device(pdev)) {
709 DBG_TRC(("%s: %s bus: %08x fn: %08x device init failed.\n",
710 DRIVERLNAME,
711 CardProperties[ent->driver_data].Name,
712 pdev->bus->number,
713 pdev->devfn))
714 printk(KERN_ERR
715 "%s: %s bus: %08x fn: %08x device init failed.\n",
716 DRIVERLNAME,
717 CardProperties[ent->driver_data].
718 Name, pdev->bus->number,
719 pdev->devfn);
720 return (-EIO);
721 }
722
723 pci_set_master(pdev);
724
725 pci_read_config_byte(pdev, PCI_LATENCY_TIMER, &pci_latency);
726 if (!pci_latency) {
727 DBG_TRC(("%s: bus: %08x fn: %08x fix latency.\n",
728 DRIVERLNAME, pdev->bus->number, pdev->devfn))
729 printk(KERN_INFO
730 "%s: bus: %08x fn: %08x fix latency.\n",
731 DRIVERLNAME, pdev->bus->number, pdev->devfn);
732 pci_write_config_byte(pdev, PCI_LATENCY_TIMER, new_latency);
733 }
734
735 if (!(pdiva = diva_driver_add_card(pdev, ent->driver_data))) {
736 DBG_TRC(("%s: %s bus: %08x fn: %08x card init failed.\n",
737 DRIVERLNAME,
738 CardProperties[ent->driver_data].Name,
739 pdev->bus->number,
740 pdev->devfn))
741 printk(KERN_ERR
742 "%s: %s bus: %08x fn: %08x card init failed.\n",
743 DRIVERLNAME,
744 CardProperties[ent->driver_data].
745 Name, pdev->bus->number,
746 pdev->devfn);
747 return (-EIO);
748 }
749
750 pci_set_drvdata(pdev, pdiva);
751
752 return (0);
753}
754
755static void divas_remove_one(struct pci_dev *pdev)
756{
757 void *pdiva = pci_get_drvdata(pdev);
758
759 DBG_TRC(("bus: %08x fn: %08x removal.\n",
760 pdev->bus->number, pdev->devfn))
761 printk(KERN_INFO "%s: bus: %08x fn: %08x removal.\n",
762 DRIVERLNAME, pdev->bus->number, pdev->devfn);
763
764 if (pdiva) {
765 diva_driver_remove_card(pdiva);
766 }
767
768}
769
770
771
772
773static int __init divas_init(void)
774{
775 char tmprev[50];
776 int ret = 0;
777
778 printk(KERN_INFO "%s\n", DRIVERNAME);
779 printk(KERN_INFO "%s: Rel:%s Rev:", DRIVERLNAME, DRIVERRELEASE_DIVAS);
780 strcpy(tmprev, main_revision);
781 printk("%s Build: %s(%s)\n", getrev(tmprev),
782 diva_xdi_common_code_build, DIVA_BUILD);
783 printk(KERN_INFO "%s: support for: ", DRIVERLNAME);
784#ifdef CONFIG_ISDN_DIVAS_BRIPCI
785 printk("BRI/PCI ");
786#endif
787#ifdef CONFIG_ISDN_DIVAS_PRIPCI
788 printk("PRI/PCI ");
789#endif
790 printk("adapters\n");
791
792 if (!divasfunc_init(dbgmask)) {
793 printk(KERN_ERR "%s: failed to connect to DIDD.\n",
794 DRIVERLNAME);
795 ret = -EIO;
796 goto out;
797 }
798
799 if (!divas_register_chrdev()) {
800#ifdef MODULE
801 divasfunc_exit();
802#endif
803 ret = -EIO;
804 goto out;
805 }
806
807 if (!create_divas_proc()) {
808#ifdef MODULE
809 divas_unregister_chrdev();
810 divasfunc_exit();
811#endif
812 printk(KERN_ERR "%s: failed to create proc entry.\n",
813 DRIVERLNAME);
814 ret = -EIO;
815 goto out;
816 }
817
818 if ((ret = pci_register_driver(&diva_pci_driver))) {
819#ifdef MODULE
820 remove_divas_proc();
821 divas_unregister_chrdev();
822 divasfunc_exit();
823#endif
824 printk(KERN_ERR "%s: failed to init pci driver.\n",
825 DRIVERLNAME);
826 goto out;
827 }
828 printk(KERN_INFO "%s: started with major %d\n", DRIVERLNAME, major);
829
830out:
831 return (ret);
832}
833
834
835
836
837static void __exit divas_exit(void)
838{
839 pci_unregister_driver(&diva_pci_driver);
840 remove_divas_proc();
841 divas_unregister_chrdev();
842 divasfunc_exit();
843
844 printk(KERN_INFO "%s: module unloaded.\n", DRIVERLNAME);
845}
846
847module_init(divas_init);
848module_exit(divas_exit);
849
