forked from luck/tmp_suning_uos_patched
aade0e8273
This patch makes some needlessly global code static. Signed-off-by: Adrian Bunk <bunk@stusta.de> Signed-off-by: Armin Schindler <armin@melware.de> Signed-off-by: Karsten Keil <kkeil@suse.de> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
255 lines
8.3 KiB
C
255 lines
8.3 KiB
C
/* $Id: hysdn_init.c,v 1.6.6.6 2001/09/23 22:24:54 kai Exp $
|
|
*
|
|
* Linux driver for HYSDN cards, init functions.
|
|
*
|
|
* Author Werner Cornelius (werner@titro.de) for Hypercope GmbH
|
|
* Copyright 1999 by Werner Cornelius (werner@titro.de)
|
|
*
|
|
* 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/module.h>
|
|
#include <linux/init.h>
|
|
#include <linux/version.h>
|
|
#include <linux/poll.h>
|
|
#include <linux/vmalloc.h>
|
|
#include <linux/slab.h>
|
|
#include <linux/pci.h>
|
|
|
|
#include "hysdn_defs.h"
|
|
|
|
static struct pci_device_id hysdn_pci_tbl[] = {
|
|
{PCI_VENDOR_ID_HYPERCOPE, PCI_DEVICE_ID_HYPERCOPE_PLX, PCI_ANY_ID, PCI_SUBDEVICE_ID_HYPERCOPE_METRO},
|
|
{PCI_VENDOR_ID_HYPERCOPE, PCI_DEVICE_ID_HYPERCOPE_PLX, PCI_ANY_ID, PCI_SUBDEVICE_ID_HYPERCOPE_CHAMP2},
|
|
{PCI_VENDOR_ID_HYPERCOPE, PCI_DEVICE_ID_HYPERCOPE_PLX, PCI_ANY_ID, PCI_SUBDEVICE_ID_HYPERCOPE_ERGO},
|
|
{PCI_VENDOR_ID_HYPERCOPE, PCI_DEVICE_ID_HYPERCOPE_PLX, PCI_ANY_ID, PCI_SUBDEVICE_ID_HYPERCOPE_OLD_ERGO},
|
|
{ } /* Terminating entry */
|
|
};
|
|
MODULE_DEVICE_TABLE(pci, hysdn_pci_tbl);
|
|
MODULE_DESCRIPTION("ISDN4Linux: Driver for HYSDN cards");
|
|
MODULE_AUTHOR("Werner Cornelius");
|
|
MODULE_LICENSE("GPL");
|
|
|
|
static char *hysdn_init_revision = "$Revision: 1.6.6.6 $";
|
|
static int cardmax; /* number of found cards */
|
|
hysdn_card *card_root = NULL; /* pointer to first card */
|
|
|
|
/**********************************************/
|
|
/* table assigning PCI-sub ids to board types */
|
|
/* the last entry contains all 0 */
|
|
/**********************************************/
|
|
static struct {
|
|
word subid; /* PCI sub id */
|
|
uchar cardtyp; /* card type assigned */
|
|
} pci_subid_map[] = {
|
|
|
|
{
|
|
PCI_SUBDEVICE_ID_HYPERCOPE_METRO, BD_METRO
|
|
},
|
|
{
|
|
PCI_SUBDEVICE_ID_HYPERCOPE_CHAMP2, BD_CHAMP2
|
|
},
|
|
{
|
|
PCI_SUBDEVICE_ID_HYPERCOPE_ERGO, BD_ERGO
|
|
},
|
|
{
|
|
PCI_SUBDEVICE_ID_HYPERCOPE_OLD_ERGO, BD_ERGO
|
|
},
|
|
{
|
|
0, 0
|
|
} /* terminating entry */
|
|
};
|
|
|
|
|
|
/*********************************************************************/
|
|
/* search_cards searches for available cards in the pci config data. */
|
|
/* If a card is found, the card structure is allocated and the cards */
|
|
/* ressources are reserved. cardmax is incremented. */
|
|
/*********************************************************************/
|
|
static void
|
|
search_cards(void)
|
|
{
|
|
struct pci_dev *akt_pcidev = NULL;
|
|
hysdn_card *card, *card_last;
|
|
int i;
|
|
|
|
card_root = NULL;
|
|
card_last = NULL;
|
|
while ((akt_pcidev = pci_find_device(PCI_VENDOR_ID_HYPERCOPE, PCI_DEVICE_ID_HYPERCOPE_PLX,
|
|
akt_pcidev)) != NULL) {
|
|
if (pci_enable_device(akt_pcidev))
|
|
continue;
|
|
|
|
if (!(card = kmalloc(sizeof(hysdn_card), GFP_KERNEL))) {
|
|
printk(KERN_ERR "HYSDN: unable to alloc device mem \n");
|
|
return;
|
|
}
|
|
memset(card, 0, sizeof(hysdn_card));
|
|
card->myid = cardmax; /* set own id */
|
|
card->bus = akt_pcidev->bus->number;
|
|
card->devfn = akt_pcidev->devfn; /* slot + function */
|
|
card->subsysid = akt_pcidev->subsystem_device;
|
|
card->irq = akt_pcidev->irq;
|
|
card->iobase = pci_resource_start(akt_pcidev, PCI_REG_PLX_IO_BASE);
|
|
card->plxbase = pci_resource_start(akt_pcidev, PCI_REG_PLX_MEM_BASE);
|
|
card->membase = pci_resource_start(akt_pcidev, PCI_REG_MEMORY_BASE);
|
|
card->brdtype = BD_NONE; /* unknown */
|
|
card->debug_flags = DEF_DEB_FLAGS; /* set default debug */
|
|
card->faxchans = 0; /* default no fax channels */
|
|
card->bchans = 2; /* and 2 b-channels */
|
|
for (i = 0; pci_subid_map[i].subid; i++)
|
|
if (pci_subid_map[i].subid == card->subsysid) {
|
|
card->brdtype = pci_subid_map[i].cardtyp;
|
|
break;
|
|
}
|
|
if (card->brdtype != BD_NONE) {
|
|
if (ergo_inithardware(card)) {
|
|
printk(KERN_WARNING "HYSDN: card at io 0x%04x already in use\n", card->iobase);
|
|
kfree(card);
|
|
continue;
|
|
}
|
|
} else {
|
|
printk(KERN_WARNING "HYSDN: unknown card id 0x%04x\n", card->subsysid);
|
|
kfree(card); /* release mem */
|
|
continue;
|
|
}
|
|
cardmax++;
|
|
card->next = NULL; /*end of chain */
|
|
if (card_last)
|
|
card_last->next = card; /* pointer to next card */
|
|
else
|
|
card_root = card;
|
|
card_last = card; /* new chain end */
|
|
} /* device found */
|
|
} /* search_cards */
|
|
|
|
/************************************************************************************/
|
|
/* free_resources frees the acquired PCI resources and returns the allocated memory */
|
|
/************************************************************************************/
|
|
static void
|
|
free_resources(void)
|
|
{
|
|
hysdn_card *card;
|
|
|
|
while (card_root) {
|
|
card = card_root;
|
|
if (card->releasehardware)
|
|
card->releasehardware(card); /* free all hardware resources */
|
|
card_root = card_root->next; /* remove card from chain */
|
|
kfree(card); /* return mem */
|
|
|
|
} /* while card_root */
|
|
} /* free_resources */
|
|
|
|
/**************************************************************************/
|
|
/* stop_cards disables (hardware resets) all cards and disables interrupt */
|
|
/**************************************************************************/
|
|
static void
|
|
stop_cards(void)
|
|
{
|
|
hysdn_card *card;
|
|
|
|
card = card_root; /* first in chain */
|
|
while (card) {
|
|
if (card->stopcard)
|
|
card->stopcard(card);
|
|
card = card->next; /* remove card from chain */
|
|
} /* while card */
|
|
} /* stop_cards */
|
|
|
|
|
|
/****************************************************************************/
|
|
/* The module startup and shutdown code. Only compiled when used as module. */
|
|
/* Using the driver as module is always advisable, because the booting */
|
|
/* image becomes smaller and the driver code is only loaded when needed. */
|
|
/* Additionally newer versions may be activated without rebooting. */
|
|
/****************************************************************************/
|
|
|
|
/******************************************************/
|
|
/* extract revision number from string for log output */
|
|
/******************************************************/
|
|
char *
|
|
hysdn_getrev(const char *revision)
|
|
{
|
|
char *rev;
|
|
char *p;
|
|
|
|
if ((p = strchr(revision, ':'))) {
|
|
rev = p + 2;
|
|
p = strchr(rev, '$');
|
|
*--p = 0;
|
|
} else
|
|
rev = "???";
|
|
return rev;
|
|
}
|
|
|
|
|
|
/****************************************************************************/
|
|
/* init_module is called once when the module is loaded to do all necessary */
|
|
/* things like autodetect... */
|
|
/* If the return value of this function is 0 the init has been successful */
|
|
/* and the module is added to the list in /proc/modules, otherwise an error */
|
|
/* is assumed and the module will not be kept in memory. */
|
|
/****************************************************************************/
|
|
static int __init
|
|
hysdn_init(void)
|
|
{
|
|
char tmp[50];
|
|
|
|
strcpy(tmp, hysdn_init_revision);
|
|
printk(KERN_NOTICE "HYSDN: module Rev: %s loaded\n", hysdn_getrev(tmp));
|
|
strcpy(tmp, hysdn_net_revision);
|
|
printk(KERN_NOTICE "HYSDN: network interface Rev: %s \n", hysdn_getrev(tmp));
|
|
search_cards();
|
|
printk(KERN_INFO "HYSDN: %d card(s) found.\n", cardmax);
|
|
|
|
if (hysdn_procconf_init()) {
|
|
free_resources(); /* proc file_sys not created */
|
|
return (-1);
|
|
}
|
|
#ifdef CONFIG_HYSDN_CAPI
|
|
if(cardmax > 0) {
|
|
if(hycapi_init()) {
|
|
printk(KERN_ERR "HYCAPI: init failed\n");
|
|
return(-1);
|
|
}
|
|
}
|
|
#endif /* CONFIG_HYSDN_CAPI */
|
|
return (0); /* no error */
|
|
} /* init_module */
|
|
|
|
|
|
/***********************************************************************/
|
|
/* cleanup_module is called when the module is released by the kernel. */
|
|
/* The routine is only called if init_module has been successful and */
|
|
/* the module counter has a value of 0. Otherwise this function will */
|
|
/* not be called. This function must release all resources still allo- */
|
|
/* cated as after the return from this function the module code will */
|
|
/* be removed from memory. */
|
|
/***********************************************************************/
|
|
static void __exit
|
|
hysdn_exit(void)
|
|
{
|
|
#ifdef CONFIG_HYSDN_CAPI
|
|
hysdn_card *card;
|
|
#endif /* CONFIG_HYSDN_CAPI */
|
|
stop_cards();
|
|
#ifdef CONFIG_HYSDN_CAPI
|
|
card = card_root; /* first in chain */
|
|
while (card) {
|
|
hycapi_capi_release(card);
|
|
card = card->next; /* remove card from chain */
|
|
} /* while card */
|
|
hycapi_cleanup();
|
|
#endif /* CONFIG_HYSDN_CAPI */
|
|
hysdn_procconf_release();
|
|
free_resources();
|
|
printk(KERN_NOTICE "HYSDN: module unloaded\n");
|
|
} /* cleanup_module */
|
|
|
|
module_init(hysdn_init);
|
|
module_exit(hysdn_exit);
|