1 /* $Id: divasmain.c,v 1.55.4.6 2005/02/09 19:28:20 armin Exp $
3 * Low level driver for Eicon DIVA Server ISDN cards.
5 * Copyright 2000-2003 by Armin Schindler (mac@melware.de)
6 * Copyright 2000-2003 Cytronics & Melware (info@melware.de)
8 * This software may be used and distributed according to the terms
9 * of the GNU General Public License, incorporated herein by reference.
12 #include <linux/module.h>
13 #include <linux/init.h>
14 #include <linux/kernel.h>
15 #include <linux/sched.h>
16 #include <asm/uaccess.h>
18 #include <linux/ioport.h>
19 #include <linux/workqueue.h>
20 #include <linux/pci.h>
21 #include <linux/smp_lock.h>
22 #include <linux/interrupt.h>
23 #include <linux/list.h>
24 #include <linux/poll.h>
25 #include <linux/kmod.h>
37 #include "xdi_adapter.h"
42 static char *main_revision
= "$Revision: 1.55.4.6 $";
48 MODULE_DESCRIPTION("Kernel driver for Eicon DIVA Server cards");
49 MODULE_AUTHOR("Cytronics & Melware, Eicon Networks");
50 MODULE_LICENSE("GPL");
52 module_param(dbgmask
, int, 0);
53 MODULE_PARM_DESC(dbgmask
, "initial debug mask");
55 static char *DRIVERNAME
=
56 "Eicon DIVA Server driver (http://www.melware.net)";
57 static char *DRIVERLNAME
= "divas";
58 static char *DEVNAME
= "Divas";
59 char *DRIVERRELEASE_DIVAS
= "2.0";
61 extern irqreturn_t
diva_os_irq_wrapper(int irq
, void *context
);
62 extern int create_divas_proc(void);
63 extern void remove_divas_proc(void);
64 extern void diva_get_vserial_number(PISDN_ADAPTER IoAdapter
, char *buf
);
65 extern int divasfunc_init(int dbgmask
);
66 extern void divasfunc_exit(void);
68 typedef struct _diva_os_thread_dpc
{
69 struct tasklet_struct divas_task
;
70 diva_os_soft_isr_t
*psoft_isr
;
71 } diva_os_thread_dpc_t
;
73 /* --------------------------------------------------------------------------
74 PCI driver interface section
75 -------------------------------------------------------------------------- */
77 vendor, device Vendor and device ID to match (or PCI_ANY_ID)
78 subvendor, Subsystem vendor and device ID to match (or PCI_ANY_ID)
80 class, Device class to match. The class_mask tells which bits
81 class_mask of the class are honored during the comparison.
82 driver_data Data private to the driver.
85 #if !defined(PCI_DEVICE_ID_EICON_MAESTRAP_2)
86 #define PCI_DEVICE_ID_EICON_MAESTRAP_2 0xE015
89 #if !defined(PCI_DEVICE_ID_EICON_4BRI_VOIP)
90 #define PCI_DEVICE_ID_EICON_4BRI_VOIP 0xE016
93 #if !defined(PCI_DEVICE_ID_EICON_4BRI_2_VOIP)
94 #define PCI_DEVICE_ID_EICON_4BRI_2_VOIP 0xE017
97 #if !defined(PCI_DEVICE_ID_EICON_BRI2M_2)
98 #define PCI_DEVICE_ID_EICON_BRI2M_2 0xE018
101 #if !defined(PCI_DEVICE_ID_EICON_MAESTRAP_2_VOIP)
102 #define PCI_DEVICE_ID_EICON_MAESTRAP_2_VOIP 0xE019
105 #if !defined(PCI_DEVICE_ID_EICON_2F)
106 #define PCI_DEVICE_ID_EICON_2F 0xE01A
109 #if !defined(PCI_DEVICE_ID_EICON_BRI2M_2_VOIP)
110 #define PCI_DEVICE_ID_EICON_BRI2M_2_VOIP 0xE01B
114 This table should be sorted by PCI device ID
116 static struct pci_device_id divas_pci_tbl
[] = {
117 /* Diva Server BRI-2M PCI 0xE010 */
118 {PCI_VENDOR_ID_EICON
, PCI_DEVICE_ID_EICON_MAESTRA
,
119 PCI_ANY_ID
, PCI_ANY_ID
, 0, 0, CARDTYPE_MAESTRA_PCI
},
120 /* Diva Server 4BRI-8M PCI 0xE012 */
121 {PCI_VENDOR_ID_EICON
, PCI_DEVICE_ID_EICON_MAESTRAQ
,
122 PCI_ANY_ID
, PCI_ANY_ID
, 0, 0, CARDTYPE_DIVASRV_Q_8M_PCI
},
123 /* Diva Server 4BRI-8M 2.0 PCI 0xE013 */
124 {PCI_VENDOR_ID_EICON
, PCI_DEVICE_ID_EICON_MAESTRAQ_U
,
125 PCI_ANY_ID
, PCI_ANY_ID
, 0, 0, CARDTYPE_DIVASRV_Q_8M_V2_PCI
},
126 /* Diva Server PRI-30M PCI 0xE014 */
127 {PCI_VENDOR_ID_EICON
, PCI_DEVICE_ID_EICON_MAESTRAP
,
128 PCI_ANY_ID
, PCI_ANY_ID
, 0, 0, CARDTYPE_DIVASRV_P_30M_PCI
},
129 /* Diva Server PRI 2.0 adapter 0xE015 */
130 {PCI_VENDOR_ID_EICON
, PCI_DEVICE_ID_EICON_MAESTRAP_2
,
131 PCI_ANY_ID
, PCI_ANY_ID
, 0, 0, CARDTYPE_DIVASRV_P_30M_V2_PCI
},
132 /* Diva Server Voice 4BRI-8M PCI 0xE016 */
133 {PCI_VENDOR_ID_EICON
, PCI_DEVICE_ID_EICON_4BRI_VOIP
,
134 PCI_ANY_ID
, PCI_ANY_ID
, 0, 0, CARDTYPE_DIVASRV_VOICE_Q_8M_PCI
},
135 /* Diva Server Voice 4BRI-8M 2.0 PCI 0xE017 */
136 {PCI_VENDOR_ID_EICON
, PCI_DEVICE_ID_EICON_4BRI_2_VOIP
,
137 PCI_ANY_ID
, PCI_ANY_ID
, 0, 0, CARDTYPE_DIVASRV_VOICE_Q_8M_V2_PCI
},
138 /* Diva Server BRI-2M 2.0 PCI 0xE018 */
139 {PCI_VENDOR_ID_EICON
, PCI_DEVICE_ID_EICON_BRI2M_2
,
140 PCI_ANY_ID
, PCI_ANY_ID
, 0, 0, CARDTYPE_DIVASRV_B_2M_V2_PCI
},
141 /* Diva Server Voice PRI 2.0 PCI 0xE019 */
142 {PCI_VENDOR_ID_EICON
, PCI_DEVICE_ID_EICON_MAESTRAP_2_VOIP
,
143 PCI_ANY_ID
, PCI_ANY_ID
, 0, 0,
144 CARDTYPE_DIVASRV_VOICE_P_30M_V2_PCI
},
145 /* Diva Server 2FX 0xE01A */
146 {PCI_VENDOR_ID_EICON
, PCI_DEVICE_ID_EICON_2F
,
147 PCI_ANY_ID
, PCI_ANY_ID
, 0, 0, CARDTYPE_DIVASRV_B_2F_PCI
},
148 /* Diva Server Voice BRI-2M 2.0 PCI 0xE01B */
149 {PCI_VENDOR_ID_EICON
, PCI_DEVICE_ID_EICON_BRI2M_2_VOIP
,
150 PCI_ANY_ID
, PCI_ANY_ID
, 0, 0, CARDTYPE_DIVASRV_VOICE_B_2M_V2_PCI
},
151 {0,} /* 0 terminated list. */
153 MODULE_DEVICE_TABLE(pci
, divas_pci_tbl
);
155 static int divas_init_one(struct pci_dev
*pdev
,
156 const struct pci_device_id
*ent
);
157 static void __devexit
divas_remove_one(struct pci_dev
*pdev
);
159 static struct pci_driver diva_pci_driver
= {
161 .probe
= divas_init_one
,
162 .remove
= __devexit_p(divas_remove_one
),
163 .id_table
= divas_pci_tbl
,
166 /*********************************************************
167 ** little helper functions
168 *********************************************************/
169 static char *getrev(const char *revision
)
173 if ((p
= strchr(revision
, ':'))) {
175 p
= strchr(rev
, '$');
182 void diva_log_info(unsigned char *format
, ...)
185 unsigned char line
[160];
187 va_start(args
, format
);
188 vsprintf(line
, format
, args
);
191 printk(KERN_INFO
"%s: %s\n", DRIVERLNAME
, line
);
194 void divas_get_version(char *p
)
198 strcpy(tmprev
, main_revision
);
199 sprintf(p
, "%s: %s(%s) %s(%s) major=%d\n", DRIVERLNAME
, DRIVERRELEASE_DIVAS
,
200 getrev(tmprev
), diva_xdi_common_code_build
, DIVA_BUILD
, major
);
203 /* --------------------------------------------------------------------------
205 -------------------------------------------------------------------------- */
206 byte
diva_os_get_pci_bus(void *pci_dev_handle
)
208 struct pci_dev
*pdev
= (struct pci_dev
*) pci_dev_handle
;
209 return ((byte
) pdev
->bus
->number
);
212 byte
diva_os_get_pci_func(void *pci_dev_handle
)
214 struct pci_dev
*pdev
= (struct pci_dev
*) pci_dev_handle
;
215 return ((byte
) pdev
->devfn
);
218 unsigned long divasa_get_pci_irq(unsigned char bus
, unsigned char func
,
219 void *pci_dev_handle
)
221 unsigned char irq
= 0;
222 struct pci_dev
*dev
= (struct pci_dev
*) pci_dev_handle
;
226 return ((unsigned long) irq
);
229 unsigned long divasa_get_pci_bar(unsigned char bus
, unsigned char func
,
230 int bar
, void *pci_dev_handle
)
232 unsigned long ret
= 0;
233 struct pci_dev
*dev
= (struct pci_dev
*) pci_dev_handle
;
236 ret
= dev
->resource
[bar
].start
;
239 DBG_TRC(("GOT BAR[%d]=%08x", bar
, ret
));
242 unsigned long type
= (ret
& 0x00000001);
243 if (type
& PCI_BASE_ADDRESS_SPACE_IO
) {
245 ret
&= PCI_BASE_ADDRESS_IO_MASK
;
247 DBG_TRC((" memory"));
248 ret
&= PCI_BASE_ADDRESS_MEM_MASK
;
250 DBG_TRC((" final=%08x", ret
));
256 void PCIwrite(byte bus
, byte func
, int offset
, void *data
, int length
,
257 void *pci_dev_handle
)
259 struct pci_dev
*dev
= (struct pci_dev
*) pci_dev_handle
;
263 pci_write_config_byte(dev
, offset
,
264 *(unsigned char *) data
);
267 pci_write_config_word(dev
, offset
,
268 *(unsigned short *) data
);
271 pci_write_config_dword(dev
, offset
,
272 *(unsigned int *) data
);
275 default: /* buffer */
276 if (!(length
% 4) && !(length
& 0x03)) { /* Copy as dword */
277 dword
*p
= (dword
*) data
;
281 pci_write_config_dword(dev
, offset
,
285 } else { /* copy as byte stream */
286 byte
*p
= (byte
*) data
;
289 pci_write_config_byte(dev
, offset
,
297 void PCIread(byte bus
, byte func
, int offset
, void *data
, int length
,
298 void *pci_dev_handle
)
300 struct pci_dev
*dev
= (struct pci_dev
*) pci_dev_handle
;
304 pci_read_config_byte(dev
, offset
, (unsigned char *) data
);
307 pci_read_config_word(dev
, offset
, (unsigned short *) data
);
310 pci_read_config_dword(dev
, offset
, (unsigned int *) data
);
313 default: /* buffer */
314 if (!(length
% 4) && !(length
& 0x03)) { /* Copy as dword */
315 dword
*p
= (dword
*) data
;
319 pci_read_config_dword(dev
, offset
,
323 } else { /* copy as byte stream */
324 byte
*p
= (byte
*) data
;
327 pci_read_config_byte(dev
, offset
,
336 Init map with DMA pages. It is not problem if some allocations fail -
337 the channels that will not get one DMA page will use standard PIO
340 static void *diva_pci_alloc_consistent(struct pci_dev
*hwdev
,
342 dma_addr_t
* dma_handle
,
345 void *addr
= pci_alloc_consistent(hwdev
, size
, dma_handle
);
352 void diva_init_dma_map(void *hdev
,
353 struct _diva_dma_map_entry
**ppmap
, int nentries
)
355 struct pci_dev
*pdev
= (struct pci_dev
*) hdev
;
356 struct _diva_dma_map_entry
*pmap
=
357 diva_alloc_dma_map(hdev
, nentries
);
361 dma_addr_t dma_handle
;
365 for (i
= 0; i
< nentries
; i
++) {
366 if (!(cpu_addr
= diva_pci_alloc_consistent(pdev
,
373 diva_init_dma_map_entry(pmap
, i
, cpu_addr
,
376 DBG_TRC(("dma map alloc [%d]=(%08lx:%08x:%08lx)",
377 i
, (unsigned long) cpu_addr
,
379 (unsigned long) addr_handle
))}
386 Free all contained in the map entries and memory used by the map
387 Should be always called after adapter removal from DIDD array
389 void diva_free_dma_map(void *hdev
, struct _diva_dma_map_entry
*pmap
)
391 struct pci_dev
*pdev
= (struct pci_dev
*) hdev
;
395 dma_addr_t dma_handle
;
398 for (i
= 0; (pmap
!= 0); i
++) {
399 diva_get_dma_map_entry(pmap
, i
, &cpu_addr
, &phys_addr
);
403 addr_handle
= diva_get_entry_handle(pmap
, i
);
404 dma_handle
= (dma_addr_t
) phys_addr
;
405 pci_free_consistent(pdev
, PAGE_SIZE
, addr_handle
,
407 DBG_TRC(("dma map free [%d]=(%08lx:%08x:%08lx)", i
,
408 (unsigned long) cpu_addr
, (dword
) dma_handle
,
409 (unsigned long) addr_handle
))
412 diva_free_dma_mapping(pmap
);
416 /*********************************************************
417 ** I/O port utilities
418 *********************************************************/
421 diva_os_register_io_port(void *adapter
, int on
, unsigned long port
,
422 unsigned long length
, const char *name
, int id
)
425 if (!request_region(port
, length
, name
)) {
426 DBG_ERR(("A: I/O: can't register port=%08x", port
))
430 release_region(port
, length
);
435 void __iomem
*divasa_remap_pci_bar(diva_os_xdi_adapter_t
*a
, int id
, unsigned long bar
, unsigned long area_length
)
437 void __iomem
*ret
= ioremap(bar
, area_length
);
438 DBG_TRC(("remap(%08x)->%p", bar
, ret
));
442 void divasa_unmap_pci_bar(void __iomem
*bar
)
449 /*********************************************************
451 *********************************************************/
452 byte __inline__
inpp(void __iomem
*addr
)
454 return (inb((unsigned long) addr
));
457 word __inline__
inppw(void __iomem
*addr
)
459 return (inw((unsigned long) addr
));
462 void __inline__
inppw_buffer(void __iomem
*addr
, void *P
, int length
)
464 insw((unsigned long) addr
, (word
*) P
, length
>> 1);
467 void __inline__
outppw_buffer(void __iomem
*addr
, void *P
, int length
)
469 outsw((unsigned long) addr
, (word
*) P
, length
>> 1);
472 void __inline__
outppw(void __iomem
*addr
, word w
)
474 outw(w
, (unsigned long) addr
);
477 void __inline__
outpp(void __iomem
*addr
, word p
)
479 outb(p
, (unsigned long) addr
);
482 /* --------------------------------------------------------------------------
484 -------------------------------------------------------------------------- */
485 int diva_os_register_irq(void *context
, byte irq
, const char *name
)
487 int result
= request_irq(irq
, diva_os_irq_wrapper
,
488 IRQF_DISABLED
| IRQF_SHARED
, name
, context
);
492 void diva_os_remove_irq(void *context
, byte irq
)
494 free_irq(irq
, context
);
497 /* --------------------------------------------------------------------------
498 DPC framework implementation
499 -------------------------------------------------------------------------- */
500 static void diva_os_dpc_proc(unsigned long context
)
502 diva_os_thread_dpc_t
*psoft_isr
= (diva_os_thread_dpc_t
*) context
;
503 diva_os_soft_isr_t
*pisr
= psoft_isr
->psoft_isr
;
505 (*(pisr
->callback
)) (pisr
, pisr
->callback_context
);
508 int diva_os_initialize_soft_isr(diva_os_soft_isr_t
* psoft_isr
,
509 diva_os_soft_isr_callback_t callback
,
510 void *callback_context
)
512 diva_os_thread_dpc_t
*pdpc
;
514 pdpc
= (diva_os_thread_dpc_t
*) diva_os_malloc(0, sizeof(*pdpc
));
515 if (!(psoft_isr
->object
= pdpc
)) {
518 memset(pdpc
, 0x00, sizeof(*pdpc
));
519 psoft_isr
->callback
= callback
;
520 psoft_isr
->callback_context
= callback_context
;
521 pdpc
->psoft_isr
= psoft_isr
;
522 tasklet_init(&pdpc
->divas_task
, diva_os_dpc_proc
, (unsigned long)pdpc
);
527 int diva_os_schedule_soft_isr(diva_os_soft_isr_t
* psoft_isr
)
529 if (psoft_isr
&& psoft_isr
->object
) {
530 diva_os_thread_dpc_t
*pdpc
=
531 (diva_os_thread_dpc_t
*) psoft_isr
->object
;
533 tasklet_schedule(&pdpc
->divas_task
);
539 int diva_os_cancel_soft_isr(diva_os_soft_isr_t
* psoft_isr
)
544 void diva_os_remove_soft_isr(diva_os_soft_isr_t
* psoft_isr
)
546 if (psoft_isr
&& psoft_isr
->object
) {
547 diva_os_thread_dpc_t
*pdpc
=
548 (diva_os_thread_dpc_t
*) psoft_isr
->object
;
551 tasklet_kill(&pdpc
->divas_task
);
552 flush_scheduled_work();
553 mem
= psoft_isr
->object
;
554 psoft_isr
->object
= NULL
;
555 diva_os_free(0, mem
);
560 * kernel/user space copy functions
563 xdi_copy_to_user(void *os_handle
, void __user
*dst
, const void *src
, int length
)
565 if (copy_to_user(dst
, src
, length
)) {
572 xdi_copy_from_user(void *os_handle
, void *dst
, const void __user
*src
, int length
)
574 if (copy_from_user(dst
, src
, length
)) {
581 * device node operations
583 static int divas_open(struct inode
*inode
, struct file
*file
)
588 static int divas_release(struct inode
*inode
, struct file
*file
)
590 if (file
->private_data
) {
591 diva_xdi_close_adapter(file
->private_data
, file
);
596 static ssize_t
divas_write(struct file
*file
, const char __user
*buf
,
597 size_t count
, loff_t
* ppos
)
601 if (!file
->private_data
) {
602 file
->private_data
= diva_xdi_open_adapter(file
, buf
,
606 if (!file
->private_data
) {
610 ret
= diva_xdi_write(file
->private_data
, file
,
611 buf
, count
, xdi_copy_from_user
);
613 case -1: /* Message should be removed from rx mailbox first */
616 case -2: /* invalid adapter was specified in this call */
623 DBG_TRC(("write: ret %d", ret
));
627 static ssize_t
divas_read(struct file
*file
, char __user
*buf
,
628 size_t count
, loff_t
* ppos
)
632 if (!file
->private_data
) {
633 file
->private_data
= diva_xdi_open_adapter(file
, buf
,
637 if (!file
->private_data
) {
641 ret
= diva_xdi_read(file
->private_data
, file
,
642 buf
, count
, xdi_copy_to_user
);
644 case -1: /* RX mailbox is empty */
647 case -2: /* no memory, mailbox was cleared, last command is failed */
650 case -3: /* can't copy to user, retry */
654 DBG_TRC(("read: ret %d", ret
));
658 static unsigned int divas_poll(struct file
*file
, poll_table
* wait
)
660 if (!file
->private_data
) {
663 return (POLLIN
| POLLRDNORM
);
666 static struct file_operations divas_fops
= {
667 .owner
= THIS_MODULE
,
670 .write
= divas_write
,
673 .release
= divas_release
676 static void divas_unregister_chrdev(void)
678 unregister_chrdev(major
, DEVNAME
);
681 static int DIVA_INIT_FUNCTION
divas_register_chrdev(void)
683 if ((major
= register_chrdev(0, DEVNAME
, &divas_fops
)) < 0)
685 printk(KERN_ERR
"%s: failed to create /dev entry.\n",
693 /* --------------------------------------------------------------------------
695 -------------------------------------------------------------------------- */
696 static int __devinit
divas_init_one(struct pci_dev
*pdev
,
697 const struct pci_device_id
*ent
)
703 DBG_TRC(("%s bus: %08x fn: %08x insertion.\n",
704 CardProperties
[ent
->driver_data
].Name
,
705 pdev
->bus
->number
, pdev
->devfn
))
706 printk(KERN_INFO
"%s: %s bus: %08x fn: %08x insertion.\n",
707 DRIVERLNAME
, CardProperties
[ent
->driver_data
].Name
,
708 pdev
->bus
->number
, pdev
->devfn
);
710 if (pci_enable_device(pdev
)) {
711 DBG_TRC(("%s: %s bus: %08x fn: %08x device init failed.\n",
713 CardProperties
[ent
->driver_data
].Name
,
717 "%s: %s bus: %08x fn: %08x device init failed.\n",
719 CardProperties
[ent
->driver_data
].
720 Name
, pdev
->bus
->number
,
725 pci_set_master(pdev
);
727 pci_read_config_byte(pdev
, PCI_LATENCY_TIMER
, &pci_latency
);
729 DBG_TRC(("%s: bus: %08x fn: %08x fix latency.\n",
730 DRIVERLNAME
, pdev
->bus
->number
, pdev
->devfn
))
732 "%s: bus: %08x fn: %08x fix latency.\n",
733 DRIVERLNAME
, pdev
->bus
->number
, pdev
->devfn
);
734 pci_write_config_byte(pdev
, PCI_LATENCY_TIMER
, new_latency
);
737 if (!(pdiva
= diva_driver_add_card(pdev
, ent
->driver_data
))) {
738 DBG_TRC(("%s: %s bus: %08x fn: %08x card init failed.\n",
740 CardProperties
[ent
->driver_data
].Name
,
744 "%s: %s bus: %08x fn: %08x card init failed.\n",
746 CardProperties
[ent
->driver_data
].
747 Name
, pdev
->bus
->number
,
752 pci_set_drvdata(pdev
, pdiva
);
757 static void __devexit
divas_remove_one(struct pci_dev
*pdev
)
759 void *pdiva
= pci_get_drvdata(pdev
);
761 DBG_TRC(("bus: %08x fn: %08x removal.\n",
762 pdev
->bus
->number
, pdev
->devfn
))
763 printk(KERN_INFO
"%s: bus: %08x fn: %08x removal.\n",
764 DRIVERLNAME
, pdev
->bus
->number
, pdev
->devfn
);
767 diva_driver_remove_card(pdiva
);
772 /* --------------------------------------------------------------------------
773 Driver Load / Startup
774 -------------------------------------------------------------------------- */
775 static int DIVA_INIT_FUNCTION
divas_init(void)
780 printk(KERN_INFO
"%s\n", DRIVERNAME
);
781 printk(KERN_INFO
"%s: Rel:%s Rev:", DRIVERLNAME
, DRIVERRELEASE_DIVAS
);
782 strcpy(tmprev
, main_revision
);
783 printk("%s Build: %s(%s)\n", getrev(tmprev
),
784 diva_xdi_common_code_build
, DIVA_BUILD
);
785 printk(KERN_INFO
"%s: support for: ", DRIVERLNAME
);
786 #ifdef CONFIG_ISDN_DIVAS_BRIPCI
789 #ifdef CONFIG_ISDN_DIVAS_PRIPCI
792 printk("adapters\n");
794 if (!divasfunc_init(dbgmask
)) {
795 printk(KERN_ERR
"%s: failed to connect to DIDD.\n",
801 if (!divas_register_chrdev()) {
809 if (!create_divas_proc()) {
812 divas_unregister_chrdev();
815 printk(KERN_ERR
"%s: failed to create proc entry.\n",
821 if ((ret
= pci_register_driver(&diva_pci_driver
))) {
824 divas_unregister_chrdev();
827 printk(KERN_ERR
"%s: failed to init pci driver.\n",
831 printk(KERN_INFO
"%s: started with major %d\n", DRIVERLNAME
, major
);
837 /* --------------------------------------------------------------------------
839 -------------------------------------------------------------------------- */
840 static void DIVA_EXIT_FUNCTION
divas_exit(void)
842 pci_unregister_driver(&diva_pci_driver
);
844 divas_unregister_chrdev();
847 printk(KERN_INFO
"%s: module unloaded.\n", DRIVERLNAME
);
850 module_init(divas_init
);
851 module_exit(divas_exit
);