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 struct pt_regs
*regs
);
63 extern int create_divas_proc(void);
64 extern void remove_divas_proc(void);
65 extern void diva_get_vserial_number(PISDN_ADAPTER IoAdapter
, char *buf
);
66 extern int divasfunc_init(int dbgmask
);
67 extern void divasfunc_exit(void);
69 typedef struct _diva_os_thread_dpc
{
70 struct tasklet_struct divas_task
;
71 diva_os_soft_isr_t
*psoft_isr
;
72 } diva_os_thread_dpc_t
;
74 /* --------------------------------------------------------------------------
75 PCI driver interface section
76 -------------------------------------------------------------------------- */
78 vendor, device Vendor and device ID to match (or PCI_ANY_ID)
79 subvendor, Subsystem vendor and device ID to match (or PCI_ANY_ID)
81 class, Device class to match. The class_mask tells which bits
82 class_mask of the class are honored during the comparison.
83 driver_data Data private to the driver.
86 #if !defined(PCI_DEVICE_ID_EICON_MAESTRAP_2)
87 #define PCI_DEVICE_ID_EICON_MAESTRAP_2 0xE015
90 #if !defined(PCI_DEVICE_ID_EICON_4BRI_VOIP)
91 #define PCI_DEVICE_ID_EICON_4BRI_VOIP 0xE016
94 #if !defined(PCI_DEVICE_ID_EICON_4BRI_2_VOIP)
95 #define PCI_DEVICE_ID_EICON_4BRI_2_VOIP 0xE017
98 #if !defined(PCI_DEVICE_ID_EICON_BRI2M_2)
99 #define PCI_DEVICE_ID_EICON_BRI2M_2 0xE018
102 #if !defined(PCI_DEVICE_ID_EICON_MAESTRAP_2_VOIP)
103 #define PCI_DEVICE_ID_EICON_MAESTRAP_2_VOIP 0xE019
106 #if !defined(PCI_DEVICE_ID_EICON_2F)
107 #define PCI_DEVICE_ID_EICON_2F 0xE01A
110 #if !defined(PCI_DEVICE_ID_EICON_BRI2M_2_VOIP)
111 #define PCI_DEVICE_ID_EICON_BRI2M_2_VOIP 0xE01B
115 This table should be sorted by PCI device ID
117 static struct pci_device_id divas_pci_tbl
[] = {
118 /* Diva Server BRI-2M PCI 0xE010 */
119 {PCI_VENDOR_ID_EICON
, PCI_DEVICE_ID_EICON_MAESTRA
,
120 PCI_ANY_ID
, PCI_ANY_ID
, 0, 0, CARDTYPE_MAESTRA_PCI
},
121 /* Diva Server 4BRI-8M PCI 0xE012 */
122 {PCI_VENDOR_ID_EICON
, PCI_DEVICE_ID_EICON_MAESTRAQ
,
123 PCI_ANY_ID
, PCI_ANY_ID
, 0, 0, CARDTYPE_DIVASRV_Q_8M_PCI
},
124 /* Diva Server 4BRI-8M 2.0 PCI 0xE013 */
125 {PCI_VENDOR_ID_EICON
, PCI_DEVICE_ID_EICON_MAESTRAQ_U
,
126 PCI_ANY_ID
, PCI_ANY_ID
, 0, 0, CARDTYPE_DIVASRV_Q_8M_V2_PCI
},
127 /* Diva Server PRI-30M PCI 0xE014 */
128 {PCI_VENDOR_ID_EICON
, PCI_DEVICE_ID_EICON_MAESTRAP
,
129 PCI_ANY_ID
, PCI_ANY_ID
, 0, 0, CARDTYPE_DIVASRV_P_30M_PCI
},
130 /* Diva Server PRI 2.0 adapter 0xE015 */
131 {PCI_VENDOR_ID_EICON
, PCI_DEVICE_ID_EICON_MAESTRAP_2
,
132 PCI_ANY_ID
, PCI_ANY_ID
, 0, 0, CARDTYPE_DIVASRV_P_30M_V2_PCI
},
133 /* Diva Server Voice 4BRI-8M PCI 0xE016 */
134 {PCI_VENDOR_ID_EICON
, PCI_DEVICE_ID_EICON_4BRI_VOIP
,
135 PCI_ANY_ID
, PCI_ANY_ID
, 0, 0, CARDTYPE_DIVASRV_VOICE_Q_8M_PCI
},
136 /* Diva Server Voice 4BRI-8M 2.0 PCI 0xE017 */
137 {PCI_VENDOR_ID_EICON
, PCI_DEVICE_ID_EICON_4BRI_2_VOIP
,
138 PCI_ANY_ID
, PCI_ANY_ID
, 0, 0, CARDTYPE_DIVASRV_VOICE_Q_8M_V2_PCI
},
139 /* Diva Server BRI-2M 2.0 PCI 0xE018 */
140 {PCI_VENDOR_ID_EICON
, PCI_DEVICE_ID_EICON_BRI2M_2
,
141 PCI_ANY_ID
, PCI_ANY_ID
, 0, 0, CARDTYPE_DIVASRV_B_2M_V2_PCI
},
142 /* Diva Server Voice PRI 2.0 PCI 0xE019 */
143 {PCI_VENDOR_ID_EICON
, PCI_DEVICE_ID_EICON_MAESTRAP_2_VOIP
,
144 PCI_ANY_ID
, PCI_ANY_ID
, 0, 0,
145 CARDTYPE_DIVASRV_VOICE_P_30M_V2_PCI
},
146 /* Diva Server 2FX 0xE01A */
147 {PCI_VENDOR_ID_EICON
, PCI_DEVICE_ID_EICON_2F
,
148 PCI_ANY_ID
, PCI_ANY_ID
, 0, 0, CARDTYPE_DIVASRV_B_2F_PCI
},
149 /* Diva Server Voice BRI-2M 2.0 PCI 0xE01B */
150 {PCI_VENDOR_ID_EICON
, PCI_DEVICE_ID_EICON_BRI2M_2_VOIP
,
151 PCI_ANY_ID
, PCI_ANY_ID
, 0, 0, CARDTYPE_DIVASRV_VOICE_B_2M_V2_PCI
},
152 {0,} /* 0 terminated list. */
154 MODULE_DEVICE_TABLE(pci
, divas_pci_tbl
);
156 static int divas_init_one(struct pci_dev
*pdev
,
157 const struct pci_device_id
*ent
);
158 static void __devexit
divas_remove_one(struct pci_dev
*pdev
);
160 static struct pci_driver diva_pci_driver
= {
162 .probe
= divas_init_one
,
163 .remove
= __devexit_p(divas_remove_one
),
164 .id_table
= divas_pci_tbl
,
167 /*********************************************************
168 ** little helper functions
169 *********************************************************/
170 static char *getrev(const char *revision
)
174 if ((p
= strchr(revision
, ':'))) {
176 p
= strchr(rev
, '$');
183 void diva_log_info(unsigned char *format
, ...)
186 unsigned char line
[160];
188 va_start(args
, format
);
189 vsprintf(line
, format
, args
);
192 printk(KERN_INFO
"%s: %s\n", DRIVERLNAME
, line
);
195 void divas_get_version(char *p
)
199 strcpy(tmprev
, main_revision
);
200 sprintf(p
, "%s: %s(%s) %s(%s) major=%d\n", DRIVERLNAME
, DRIVERRELEASE_DIVAS
,
201 getrev(tmprev
), diva_xdi_common_code_build
, DIVA_BUILD
, major
);
204 /* --------------------------------------------------------------------------
206 -------------------------------------------------------------------------- */
207 byte
diva_os_get_pci_bus(void *pci_dev_handle
)
209 struct pci_dev
*pdev
= (struct pci_dev
*) pci_dev_handle
;
210 return ((byte
) pdev
->bus
->number
);
213 byte
diva_os_get_pci_func(void *pci_dev_handle
)
215 struct pci_dev
*pdev
= (struct pci_dev
*) pci_dev_handle
;
216 return ((byte
) pdev
->devfn
);
219 unsigned long divasa_get_pci_irq(unsigned char bus
, unsigned char func
,
220 void *pci_dev_handle
)
222 unsigned char irq
= 0;
223 struct pci_dev
*dev
= (struct pci_dev
*) pci_dev_handle
;
227 return ((unsigned long) irq
);
230 unsigned long divasa_get_pci_bar(unsigned char bus
, unsigned char func
,
231 int bar
, void *pci_dev_handle
)
233 unsigned long ret
= 0;
234 struct pci_dev
*dev
= (struct pci_dev
*) pci_dev_handle
;
237 ret
= dev
->resource
[bar
].start
;
240 DBG_TRC(("GOT BAR[%d]=%08x", bar
, ret
));
243 unsigned long type
= (ret
& 0x00000001);
244 if (type
& PCI_BASE_ADDRESS_SPACE_IO
) {
246 ret
&= PCI_BASE_ADDRESS_IO_MASK
;
248 DBG_TRC((" memory"));
249 ret
&= PCI_BASE_ADDRESS_MEM_MASK
;
251 DBG_TRC((" final=%08x", ret
));
257 void PCIwrite(byte bus
, byte func
, int offset
, void *data
, int length
,
258 void *pci_dev_handle
)
260 struct pci_dev
*dev
= (struct pci_dev
*) pci_dev_handle
;
264 pci_write_config_byte(dev
, offset
,
265 *(unsigned char *) data
);
268 pci_write_config_word(dev
, offset
,
269 *(unsigned short *) data
);
272 pci_write_config_dword(dev
, offset
,
273 *(unsigned int *) data
);
276 default: /* buffer */
277 if (!(length
% 4) && !(length
& 0x03)) { /* Copy as dword */
278 dword
*p
= (dword
*) data
;
282 pci_write_config_dword(dev
, offset
,
286 } else { /* copy as byte stream */
287 byte
*p
= (byte
*) data
;
290 pci_write_config_byte(dev
, offset
,
298 void PCIread(byte bus
, byte func
, int offset
, void *data
, int length
,
299 void *pci_dev_handle
)
301 struct pci_dev
*dev
= (struct pci_dev
*) pci_dev_handle
;
305 pci_read_config_byte(dev
, offset
, (unsigned char *) data
);
308 pci_read_config_word(dev
, offset
, (unsigned short *) data
);
311 pci_read_config_dword(dev
, offset
, (unsigned int *) data
);
314 default: /* buffer */
315 if (!(length
% 4) && !(length
& 0x03)) { /* Copy as dword */
316 dword
*p
= (dword
*) data
;
320 pci_read_config_dword(dev
, offset
,
324 } else { /* copy as byte stream */
325 byte
*p
= (byte
*) data
;
328 pci_read_config_byte(dev
, offset
,
337 Init map with DMA pages. It is not problem if some allocations fail -
338 the channels that will not get one DMA page will use standard PIO
341 static void *diva_pci_alloc_consistent(struct pci_dev
*hwdev
,
343 dma_addr_t
* dma_handle
,
346 void *addr
= pci_alloc_consistent(hwdev
, size
, dma_handle
);
353 void diva_init_dma_map(void *hdev
,
354 struct _diva_dma_map_entry
**ppmap
, int nentries
)
356 struct pci_dev
*pdev
= (struct pci_dev
*) hdev
;
357 struct _diva_dma_map_entry
*pmap
=
358 diva_alloc_dma_map(hdev
, nentries
);
362 dma_addr_t dma_handle
;
366 for (i
= 0; i
< nentries
; i
++) {
367 if (!(cpu_addr
= diva_pci_alloc_consistent(pdev
,
374 diva_init_dma_map_entry(pmap
, i
, cpu_addr
,
377 DBG_TRC(("dma map alloc [%d]=(%08lx:%08x:%08lx)",
378 i
, (unsigned long) cpu_addr
,
380 (unsigned long) addr_handle
))}
387 Free all contained in the map entries and memory used by the map
388 Should be always called after adapter removal from DIDD array
390 void diva_free_dma_map(void *hdev
, struct _diva_dma_map_entry
*pmap
)
392 struct pci_dev
*pdev
= (struct pci_dev
*) hdev
;
396 dma_addr_t dma_handle
;
399 for (i
= 0; (pmap
!= 0); i
++) {
400 diva_get_dma_map_entry(pmap
, i
, &cpu_addr
, &phys_addr
);
404 addr_handle
= diva_get_entry_handle(pmap
, i
);
405 dma_handle
= (dma_addr_t
) phys_addr
;
406 pci_free_consistent(pdev
, PAGE_SIZE
, addr_handle
,
408 DBG_TRC(("dma map free [%d]=(%08lx:%08x:%08lx)", i
,
409 (unsigned long) cpu_addr
, (dword
) dma_handle
,
410 (unsigned long) addr_handle
))
413 diva_free_dma_mapping(pmap
);
417 /*********************************************************
418 ** I/O port utilities
419 *********************************************************/
422 diva_os_register_io_port(void *adapter
, int on
, unsigned long port
,
423 unsigned long length
, const char *name
, int id
)
426 if (!request_region(port
, length
, name
)) {
427 DBG_ERR(("A: I/O: can't register port=%08x", port
))
431 release_region(port
, length
);
436 void __iomem
*divasa_remap_pci_bar(diva_os_xdi_adapter_t
*a
, int id
, unsigned long bar
, unsigned long area_length
)
438 void __iomem
*ret
= ioremap(bar
, area_length
);
439 DBG_TRC(("remap(%08x)->%p", bar
, ret
));
443 void divasa_unmap_pci_bar(void __iomem
*bar
)
450 /*********************************************************
452 *********************************************************/
453 byte __inline__
inpp(void __iomem
*addr
)
455 return (inb((unsigned long) addr
));
458 word __inline__
inppw(void __iomem
*addr
)
460 return (inw((unsigned long) addr
));
463 void __inline__
inppw_buffer(void __iomem
*addr
, void *P
, int length
)
465 insw((unsigned long) addr
, (word
*) P
, length
>> 1);
468 void __inline__
outppw_buffer(void __iomem
*addr
, void *P
, int length
)
470 outsw((unsigned long) addr
, (word
*) P
, length
>> 1);
473 void __inline__
outppw(void __iomem
*addr
, word w
)
475 outw(w
, (unsigned long) addr
);
478 void __inline__
outpp(void __iomem
*addr
, word p
)
480 outb(p
, (unsigned long) addr
);
483 /* --------------------------------------------------------------------------
485 -------------------------------------------------------------------------- */
486 int diva_os_register_irq(void *context
, byte irq
, const char *name
)
488 int result
= request_irq(irq
, diva_os_irq_wrapper
,
489 IRQF_DISABLED
| IRQF_SHARED
, name
, context
);
493 void diva_os_remove_irq(void *context
, byte irq
)
495 free_irq(irq
, context
);
498 /* --------------------------------------------------------------------------
499 DPC framework implementation
500 -------------------------------------------------------------------------- */
501 static void diva_os_dpc_proc(unsigned long context
)
503 diva_os_thread_dpc_t
*psoft_isr
= (diva_os_thread_dpc_t
*) context
;
504 diva_os_soft_isr_t
*pisr
= psoft_isr
->psoft_isr
;
506 (*(pisr
->callback
)) (pisr
, pisr
->callback_context
);
509 int diva_os_initialize_soft_isr(diva_os_soft_isr_t
* psoft_isr
,
510 diva_os_soft_isr_callback_t callback
,
511 void *callback_context
)
513 diva_os_thread_dpc_t
*pdpc
;
515 pdpc
= (diva_os_thread_dpc_t
*) diva_os_malloc(0, sizeof(*pdpc
));
516 if (!(psoft_isr
->object
= pdpc
)) {
519 memset(pdpc
, 0x00, sizeof(*pdpc
));
520 psoft_isr
->callback
= callback
;
521 psoft_isr
->callback_context
= callback_context
;
522 pdpc
->psoft_isr
= psoft_isr
;
523 tasklet_init(&pdpc
->divas_task
, diva_os_dpc_proc
, (unsigned long)pdpc
);
528 int diva_os_schedule_soft_isr(diva_os_soft_isr_t
* psoft_isr
)
530 if (psoft_isr
&& psoft_isr
->object
) {
531 diva_os_thread_dpc_t
*pdpc
=
532 (diva_os_thread_dpc_t
*) psoft_isr
->object
;
534 tasklet_schedule(&pdpc
->divas_task
);
540 int diva_os_cancel_soft_isr(diva_os_soft_isr_t
* psoft_isr
)
545 void diva_os_remove_soft_isr(diva_os_soft_isr_t
* psoft_isr
)
547 if (psoft_isr
&& psoft_isr
->object
) {
548 diva_os_thread_dpc_t
*pdpc
=
549 (diva_os_thread_dpc_t
*) psoft_isr
->object
;
552 tasklet_kill(&pdpc
->divas_task
);
553 flush_scheduled_work();
554 mem
= psoft_isr
->object
;
555 psoft_isr
->object
= NULL
;
556 diva_os_free(0, mem
);
561 * kernel/user space copy functions
564 xdi_copy_to_user(void *os_handle
, void __user
*dst
, const void *src
, int length
)
566 if (copy_to_user(dst
, src
, length
)) {
573 xdi_copy_from_user(void *os_handle
, void *dst
, const void __user
*src
, int length
)
575 if (copy_from_user(dst
, src
, length
)) {
582 * device node operations
584 static int divas_open(struct inode
*inode
, struct file
*file
)
589 static int divas_release(struct inode
*inode
, struct file
*file
)
591 if (file
->private_data
) {
592 diva_xdi_close_adapter(file
->private_data
, file
);
597 static ssize_t
divas_write(struct file
*file
, const char __user
*buf
,
598 size_t count
, loff_t
* ppos
)
602 if (!file
->private_data
) {
603 file
->private_data
= diva_xdi_open_adapter(file
, buf
,
607 if (!file
->private_data
) {
611 ret
= diva_xdi_write(file
->private_data
, file
,
612 buf
, count
, xdi_copy_from_user
);
614 case -1: /* Message should be removed from rx mailbox first */
617 case -2: /* invalid adapter was specified in this call */
624 DBG_TRC(("write: ret %d", ret
));
628 static ssize_t
divas_read(struct file
*file
, char __user
*buf
,
629 size_t count
, loff_t
* ppos
)
633 if (!file
->private_data
) {
634 file
->private_data
= diva_xdi_open_adapter(file
, buf
,
638 if (!file
->private_data
) {
642 ret
= diva_xdi_read(file
->private_data
, file
,
643 buf
, count
, xdi_copy_to_user
);
645 case -1: /* RX mailbox is empty */
648 case -2: /* no memory, mailbox was cleared, last command is failed */
651 case -3: /* can't copy to user, retry */
655 DBG_TRC(("read: ret %d", ret
));
659 static unsigned int divas_poll(struct file
*file
, poll_table
* wait
)
661 if (!file
->private_data
) {
664 return (POLLIN
| POLLRDNORM
);
667 static struct file_operations divas_fops
= {
668 .owner
= THIS_MODULE
,
671 .write
= divas_write
,
674 .release
= divas_release
677 static void divas_unregister_chrdev(void)
679 unregister_chrdev(major
, DEVNAME
);
682 static int DIVA_INIT_FUNCTION
divas_register_chrdev(void)
684 if ((major
= register_chrdev(0, DEVNAME
, &divas_fops
)) < 0)
686 printk(KERN_ERR
"%s: failed to create /dev entry.\n",
694 /* --------------------------------------------------------------------------
696 -------------------------------------------------------------------------- */
697 static int __devinit
divas_init_one(struct pci_dev
*pdev
,
698 const struct pci_device_id
*ent
)
704 DBG_TRC(("%s bus: %08x fn: %08x insertion.\n",
705 CardProperties
[ent
->driver_data
].Name
,
706 pdev
->bus
->number
, pdev
->devfn
))
707 printk(KERN_INFO
"%s: %s bus: %08x fn: %08x insertion.\n",
708 DRIVERLNAME
, CardProperties
[ent
->driver_data
].Name
,
709 pdev
->bus
->number
, pdev
->devfn
);
711 if (pci_enable_device(pdev
)) {
712 DBG_TRC(("%s: %s bus: %08x fn: %08x device init failed.\n",
714 CardProperties
[ent
->driver_data
].Name
,
718 "%s: %s bus: %08x fn: %08x device init failed.\n",
720 CardProperties
[ent
->driver_data
].
721 Name
, pdev
->bus
->number
,
726 pci_set_master(pdev
);
728 pci_read_config_byte(pdev
, PCI_LATENCY_TIMER
, &pci_latency
);
730 DBG_TRC(("%s: bus: %08x fn: %08x fix latency.\n",
731 DRIVERLNAME
, pdev
->bus
->number
, pdev
->devfn
))
733 "%s: bus: %08x fn: %08x fix latency.\n",
734 DRIVERLNAME
, pdev
->bus
->number
, pdev
->devfn
);
735 pci_write_config_byte(pdev
, PCI_LATENCY_TIMER
, new_latency
);
738 if (!(pdiva
= diva_driver_add_card(pdev
, ent
->driver_data
))) {
739 DBG_TRC(("%s: %s bus: %08x fn: %08x card init failed.\n",
741 CardProperties
[ent
->driver_data
].Name
,
745 "%s: %s bus: %08x fn: %08x card init failed.\n",
747 CardProperties
[ent
->driver_data
].
748 Name
, pdev
->bus
->number
,
753 pci_set_drvdata(pdev
, pdiva
);
758 static void __devexit
divas_remove_one(struct pci_dev
*pdev
)
760 void *pdiva
= pci_get_drvdata(pdev
);
762 DBG_TRC(("bus: %08x fn: %08x removal.\n",
763 pdev
->bus
->number
, pdev
->devfn
))
764 printk(KERN_INFO
"%s: bus: %08x fn: %08x removal.\n",
765 DRIVERLNAME
, pdev
->bus
->number
, pdev
->devfn
);
768 diva_driver_remove_card(pdiva
);
773 /* --------------------------------------------------------------------------
774 Driver Load / Startup
775 -------------------------------------------------------------------------- */
776 static int DIVA_INIT_FUNCTION
divas_init(void)
781 printk(KERN_INFO
"%s\n", DRIVERNAME
);
782 printk(KERN_INFO
"%s: Rel:%s Rev:", DRIVERLNAME
, DRIVERRELEASE_DIVAS
);
783 strcpy(tmprev
, main_revision
);
784 printk("%s Build: %s(%s)\n", getrev(tmprev
),
785 diva_xdi_common_code_build
, DIVA_BUILD
);
786 printk(KERN_INFO
"%s: support for: ", DRIVERLNAME
);
787 #ifdef CONFIG_ISDN_DIVAS_BRIPCI
790 #ifdef CONFIG_ISDN_DIVAS_PRIPCI
793 printk("adapters\n");
795 if (!divasfunc_init(dbgmask
)) {
796 printk(KERN_ERR
"%s: failed to connect to DIDD.\n",
802 if (!divas_register_chrdev()) {
810 if (!create_divas_proc()) {
813 divas_unregister_chrdev();
816 printk(KERN_ERR
"%s: failed to create proc entry.\n",
822 if ((ret
= pci_register_driver(&diva_pci_driver
))) {
825 divas_unregister_chrdev();
828 printk(KERN_ERR
"%s: failed to init pci driver.\n",
832 printk(KERN_INFO
"%s: started with major %d\n", DRIVERLNAME
, major
);
838 /* --------------------------------------------------------------------------
840 -------------------------------------------------------------------------- */
841 static void DIVA_EXIT_FUNCTION
divas_exit(void)
843 pci_unregister_driver(&diva_pci_driver
);
845 divas_unregister_chrdev();
848 printk(KERN_INFO
"%s: module unloaded.\n", DRIVERLNAME
);
851 module_init(divas_init
);
852 module_exit(divas_exit
);