patch-1.3.93 linux/drivers/isdn/pcbit/module.c

• Lines: 135
• Date: Sun Apr 21 11:56:14 1996
• Orig file: v1.3.92/linux/drivers/isdn/pcbit/module.c
• Orig date: Thu Jan 1 02:00:00 1970

diff -u --recursive --new-file v1.3.92/linux/drivers/isdn/pcbit/module.c linux/drivers/isdn/pcbit/module.c
@@ -0,0 +1,134 @@
+/*
+ * Copyright (C) 1996 Universidade de Lisboa
+ * 
+ * Writen by Pedro Roque Marques (roque@di.fc.ul.pt)
+ *
+ * This software may be used and distributed according to the terms of 
+ * the GNU Public License, incorporated herein by reference.
+ */
+
+/*        
+ *        PCBIT-D module support
+ */
+
+#include <linux/module.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"
+
+int mem[MAX_PCBIT_CARDS] = {0, };
+int irq[MAX_PCBIT_CARDS] = {0, };
+
+int num_boards;
+struct pcbit_dev * dev_pcbit[MAX_PCBIT_CARDS] = {0, 0, 0, 0};
+
+int init_module(void);
+void cleanup_module(void);
+
+extern void pcbit_terminate(int board);
+extern int pcbit_init_dev(int board, int mem_base, int irq);
+
+#ifdef MODULE
+#define pcbit_init init_module
+#endif
+
+int pcbit_init(void)
+{
+	int board;
+
+	num_boards = 0;
+
+	printk(KERN_INFO 
+	       "PCBIT-D device driver v 0.5 - "
+	       "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;
+	}
+
+	/* No symbols to export, hide all symbols */
+	register_symtab(NULL);
+
+	return 0;
+}
+
+#ifdef MODULE
+void cleanup_module(void)
+{
+	int board;
+
+	if (MOD_IN_USE) {
+		printk(KERN_WARNING "pcbit: device busy, remove cancelled\n");
+		return;
+	}
+
+	for (board = 0; board < num_boards; board++)
+		pcbit_terminate(board);
+	printk(KERN_INFO 
+	       "PCBIT-D module unloaded\n");
+}
+
+#else
+void pcbit_setup(char *str, int *ints)
+{
+	int i, j, argc;
+
+	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++;
+	}
+}
+#endif
+
+
+