1/*
2 * PCBIT-D module support
3 *
4 * Copyright (C) 1996 Universidade de Lisboa
5 *
6 * Written by Pedro Roque Marques (roque@di.fc.ul.pt)
7 *
8 * This software may be used and distributed according to the terms of
9 * the GNU General Public License, incorporated herein by reference.
10 */
11
12#include <linux/module.h>
13#include <linux/init.h>
14#include <linux/string.h>
15#include <linux/kernel.h>
16#include <linux/skbuff.h>
17
18#include <linux/isdnif.h>
19#include "pcbit.h"
20
21MODULE_DESCRIPTION("ISDN4Linux: Driver for PCBIT-T card");
22MODULE_AUTHOR("Pedro Roque Marques");
23MODULE_LICENSE("GPL");
24
25static int mem[MAX_PCBIT_CARDS];
26static int irq[MAX_PCBIT_CARDS];
27
28module_param_array(mem, int, NULL, 0);
29module_param_array(irq, int, NULL, 0);
30
31static int num_boards;
32struct pcbit_dev * dev_pcbit[MAX_PCBIT_CARDS];
33
34static int __init pcbit_init(void)
35{
36	int board;
37
38	num_boards = 0;
39
40	printk(KERN_NOTICE
41	       "PCBIT-D device driver v 0.5-fjpc0 19991204 - "
42	       "Copyright (C) 1996 Universidade de Lisboa\n");
43
44	if (mem[0] || irq[0])
45	{
46		for (board=0; board < MAX_PCBIT_CARDS && mem[board] && irq[board]; board++)
47		{
48			if (!mem[board])
49				mem[board] = 0xD0000;
50			if (!irq[board])
51				irq[board] = 5;
52
53			if (pcbit_init_dev(board, mem[board], irq[board]) == 0)
54				num_boards++;
55
56			else
57			{
58				printk(KERN_WARNING
59				       "pcbit_init failed for dev %d",
60				       board + 1);
61				return -EIO;
62			}
63		}
64	}
65
66	/* Hardcoded default settings detection */
67
68	if (!num_boards)
69	{
70		printk(KERN_INFO
71		       "Trying to detect board using default settings\n");
72		if (pcbit_init_dev(0, 0xD0000, 5) == 0)
73			num_boards++;
74		else
75			return -EIO;
76	}
77	return 0;
78}
79
80static void __exit pcbit_exit(void)
81{
82#ifdef MODULE
83	int board;
84
85	for (board = 0; board < num_boards; board++)
86		pcbit_terminate(board);
87	printk(KERN_NOTICE
88	       "PCBIT-D module unloaded\n");
89#endif
90}
91
92#ifndef MODULE
93#define MAX_PARA	(MAX_PCBIT_CARDS * 2)
94static int __init pcbit_setup(char *line)
95{
96	int i, j, argc;
97	char *str;
98	int ints[MAX_PARA+1];
99
100	str = get_options(line, MAX_PARA, ints);
101	argc = ints[0];
102	i = 0;
103	j = 1;
104
105	while (argc && (i<MAX_PCBIT_CARDS)) {
106
107		if (argc) {
108			mem[i]	= ints[j];
109			j++; argc--;
110		}
111
112		if (argc) {
113			irq[i]	= ints[j];
114			j++; argc--;
115		}
116
117		i++;
118	}
119	return(1);
120}
121__setup("pcbit=", pcbit_setup);
122#endif
123
124module_init(pcbit_init);
125module_exit(pcbit_exit);
126