Add the rt linux 4.1.3-rt3 as base

[kvmfornfv.git] / kernel / drivers / isdn / pcbit / module.c

diff --git a/kernel/drivers/isdn/pcbit/module.c b/kernel/drivers/isdn/pcbit/module.c
new file mode 100644 (file)
index 0000000..0a59bd0
--- /dev/null
+++ b/kernel/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);