blob: 15ceb82f2c4da162c7abdde1b4d0f7fd1e76a3f5 [file] [log] [blame]
/*
* PCBIT-D module support
*
* Copyright (C) 1996 Universidade de Lisboa
*
* Written by Pedro Roque Marques (pedro_m@yahoo.com)
*
* This software may be used and distributed according to the terms of
* the GNU General Public License, incorporated herein by reference.
*/
#include <linux/module.h>
#include <linux/init.h>
#include <linux/sched.h>
#include <linux/string.h>
#include <linux/kernel.h>
#include <linux/tqueue.h>
#include <linux/skbuff.h>
#include <linux/isdnif.h>
#include "pcbit.h"
MODULE_DESCRIPTION("ISDN4Linux: Driver for PCBIT-T card");
MODULE_AUTHOR("Pedro Roque Marques");
MODULE_LICENSE("GPL");
MODULE_PARM(mem, "1-" __MODULE_STRING(MAX_PCBIT_CARDS) "i");
MODULE_PARM(irq, "1-" __MODULE_STRING(MAX_PCBIT_CARDS) "i");
static int mem[MAX_PCBIT_CARDS] = {0, };
static int irq[MAX_PCBIT_CARDS] = {0, };
static int num_boards;
struct pcbit_dev * dev_pcbit[MAX_PCBIT_CARDS] = {0, };
extern void pcbit_terminate(int board);
extern int pcbit_init_dev(int board, int mem_base, int irq);
static int __init pcbit_init(void)
{
int board;
num_boards = 0;
printk(KERN_NOTICE
"PCBIT-D device driver v 0.5-fjpc0 19991204 - "
"Copyright (C) 1996 Universidade de Lisboa\n");
if (mem[0] || irq[0])
{
for (board=0; board < MAX_PCBIT_CARDS && mem[board] && irq[board]; board++)
{
if (!mem[board])
mem[board] = 0xD0000;
if (!irq[board])
irq[board] = 5;
if (pcbit_init_dev(board, mem[board], irq[board]) == 0)
num_boards++;
else
{
printk(KERN_WARNING
"pcbit_init failed for dev %d",
board + 1);
return -EIO;
}
}
}
/* Hardcoded default settings detection */
if (!num_boards)
{
printk(KERN_INFO
"Trying to detect board using default settings\n");
if (pcbit_init_dev(0, 0xD0000, 5) == 0)
num_boards++;
else
return -EIO;
}
return 0;
}
static void __exit pcbit_exit(void)
{
int board;
for (board = 0; board < num_boards; board++)
pcbit_terminate(board);
printk(KERN_NOTICE
"PCBIT-D module unloaded\n");
}
#ifndef MODULE
#define MAX_PARA (MAX_PCBIT_CARDS * 2)
static int __init pcbit_setup(char *line)
{
int i, j, argc;
char *str;
int ints[MAX_PARA+1];
str = get_options(line, MAX_PARA, ints);
argc = ints[0];
i = 0;
j = 1;
while (argc && (i<MAX_PCBIT_CARDS)) {
if (argc) {
mem[i] = ints[j];
j++; argc--;
}
if (argc) {
irq[i] = ints[j];
j++; argc--;
}
i++;
}
return(1);
}
__setup("pcbit=", pcbit_setup);
#endif
module_init(pcbit_init);
module_exit(pcbit_exit);