From 57f0f512b273f60d52568b8c6b77e17f5636edc0 Mon Sep 17 00:00:00 2001
From: André Fabian Silva Delgado <emulatorman@parabola.nu>
Date: Wed, 5 Aug 2015 17:04:01 -0300
Subject: Initial import

---
 drivers/isdn/pcbit/module.c | 125 ++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 125 insertions(+)
 create mode 100644 drivers/isdn/pcbit/module.c

(limited to 'drivers/isdn/pcbit/module.c')

diff --git a/drivers/isdn/pcbit/module.c b/drivers/isdn/pcbit/module.c
new file mode 100644
index 000000000..0a59bd0b8
--- /dev/null
+++ b/drivers/isdn/pcbit/module.c
@@ -0,0 +1,125 @@
+/*
+ * PCBIT-D module support
+ *
+ * Copyright (C) 1996 Universidade de Lisboa
+ *
+ * Written by Pedro Roque Marques (roque@di.fc.ul.pt)
+ *
+ * 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/string.h>
+#include <linux/kernel.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");
+
+static int mem[MAX_PCBIT_CARDS];
+static int irq[MAX_PCBIT_CARDS];
+
+module_param_array(mem, int, NULL, 0);
+module_param_array(irq, int, NULL, 0);
+
+static int num_boards;
+struct pcbit_dev *dev_pcbit[MAX_PCBIT_CARDS];
+
+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)
+{
+#ifdef MODULE
+	int board;
+
+	for (board = 0; board < num_boards; board++)
+		pcbit_terminate(board);
+	printk(KERN_NOTICE
+	       "PCBIT-D module unloaded\n");
+#endif
+}
+
+#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);
-- 
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