Viewing file:  Divas_mod.c (2.52 KB) -rw-r--r--
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/*
* This software may be used and distributed according to the terms
* of the GNU General Public License, incorporated herein by reference.
*
*/
#include <linux/config.h>
#include <linux/init.h>
#include <linux/fs.h>
#undef N_DATA
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/pci.h>
#include <linux/ioport.h>
#include <linux/slab.h>
#include <linux/errno.h>
#include "adapter.h"
#include "uxio.h"
MODULE_DESCRIPTION("ISDN4Linux: Driver for Eicon Diva Server cards");
MODULE_AUTHOR("Armin Schindler");
MODULE_LICENSE("GPL");
#ifdef MODULE
#include "idi.h"
void DIVA_DIDD_Write(DESCRIPTOR *, int);
EXPORT_SYMBOL_NOVERS(DIVA_DIDD_Read);
EXPORT_SYMBOL_NOVERS(DIVA_DIDD_Write);
EXPORT_SYMBOL_NOVERS(DivasPrintf);
#endif
int DivasCardsDiscover(void);
static int __init
divas_init(void)
{
printk(KERN_DEBUG "DIVA Server Driver - initialising\n");
printk(KERN_DEBUG "DIVA Server Driver - Version 2.0.16\n");
#if !defined(CONFIG_PCI)
printk(KERN_WARNING "CONFIG_PCI is not defined!\n");
return -ENODEV;
#endif
if (pci_present())
{
if (DivasCardsDiscover() < 0)
{
printk(KERN_WARNING "Divas: Not loaded\n");
return -ENODEV;
}
}
else
{
printk(KERN_WARNING "Divas: No PCI bus present\n");
return -ENODEV;
}
return 0;
}
static void __exit
divas_exit(void)
{
card_t *pCard;
word wCardIndex;
extern int Divas_major;
printk(KERN_DEBUG "DIVA Server Driver - unloading\n");
pCard = DivasCards;
for (wCardIndex = 0; wCardIndex < MAX_CARDS; wCardIndex++)
{
if ((pCard->hw) && (pCard->hw->in_use))
{
(*pCard->card_reset)(pCard);
UxIsrRemove(pCard->hw, pCard);
UxCardHandleFree(pCard->hw);
if(pCard->e_tbl != NULL)
{
kfree(pCard->e_tbl);
}
if(pCard->hw->card_type == DIA_CARD_TYPE_DIVA_SERVER_B)
{
release_region(pCard->hw->io_base,0x20);
release_region(pCard->hw->reset_base,0x80);
}
// If this is a 4BRI ...
if (pCard->hw->card_type == DIA_CARD_TYPE_DIVA_SERVER_Q)
{
// Skip over the next 3 virtual adapters
wCardIndex += 3;
// But free their handles
pCard++;
UxCardHandleFree(pCard->hw);
if(pCard->e_tbl != NULL)
{
kfree(pCard->e_tbl);
}
pCard++;
UxCardHandleFree(pCard->hw);
if(pCard->e_tbl != NULL)
{
kfree(pCard->e_tbl);
}
pCard++;
UxCardHandleFree(pCard->hw);
if(pCard->e_tbl != NULL)
{
kfree(pCard->e_tbl);
}
}
}
pCard++;
}
unregister_chrdev(Divas_major, "Divas");
}
module_init(divas_init);
module_exit(divas_exit);
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