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