zte's code,first commit
Change-Id: I9a04da59e459a9bc0d67f101f700d9d7dc8d681b
diff --git a/ap/os/linux/linux-3.4.x/drivers/isdn/pcbit/module.c b/ap/os/linux/linux-3.4.x/drivers/isdn/pcbit/module.c
new file mode 100644
index 0000000..0a59bd0
--- /dev/null
+++ b/ap/os/linux/linux-3.4.x/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);