patch-2.2.11 linux/drivers/isdn/divert/divert_init.c

• Lines: 106
• Date: Mon Aug 9 12:04:39 1999
• Orig file: v2.2.10/linux/drivers/isdn/divert/divert_init.c
• Orig date: Wed Dec 31 16:00:00 1969

diff -u --recursive --new-file v2.2.10/linux/drivers/isdn/divert/divert_init.c linux/drivers/isdn/divert/divert_init.c
@@ -0,0 +1,105 @@
+/* 
+ * $Id: divert_init.c,v 1.3 1999/07/05 20:21:39 werner Exp $
+ *
+ * Module init for DSS1 diversion services for i4l.
+ *
+ * Copyright 1999       by Werner Cornelius (werner@isdn4linux.de)
+ * 
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2, or (at your option)
+ * any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. 
+ *
+ * $Log: divert_init.c,v $
+ * Revision 1.3  1999/07/05 20:21:39  werner
+ * changes to use diversion sources for all kernel versions.
+ * removed static device, only proc filesystem used
+ *
+ * Revision 1.2  1999/07/04 21:37:30  werner
+ * Ported from kernel version 2.0
+ *
+ *
+ *
+ */
+
+#include <linux/config.h>
+#include <linux/module.h>
+#include <linux/version.h>
+#include "isdn_divert.h"
+
+/********************/
+/* needed externals */
+/********************/
+extern int printk(const char *fmt,...);
+
+/****************************************/
+/* structure containing interface to hl */
+/****************************************/
+isdn_divert_if divert_if =
+  { DIVERT_IF_MAGIC,  /* magic value */
+    DIVERT_CMD_REG,   /* register cmd */
+    ll_callback,      /* callback routine from ll */
+    NULL,             /* command still not specified */
+    NULL,             /* drv_to_name */
+    NULL,             /* name_to_drv */
+  };
+
+/*************************/
+/* Module interface code */
+/* no cmd line parms     */
+/*************************/
+int init_module(void)
+{ int i;
+
+  if (divert_dev_init())
+   { printk(KERN_WARNING "dss1_divert: cannot install device, not loaded\n");
+     return(-EIO);
+   }
+  if ((i = DIVERT_REG_NAME(&divert_if)) != DIVERT_NO_ERR)
+   { divert_dev_deinit();
+     printk(KERN_WARNING "dss1_divert: error %d registering module, not loaded\n",i);
+     return(-EIO);
+   } 
+#if (LINUX_VERSION_CODE < 0x020111)
+  register_symtab(0);
+#endif
+  printk(KERN_INFO "dss1_divert module successfully installed\n");
+  return(0);
+} /* init_module */
+
+/**********************/
+/* Module deinit code */
+/**********************/
+void cleanup_module(void)
+{ int flags;
+  int i;
+
+  save_flags(flags);
+  cli();
+  divert_if.cmd = DIVERT_CMD_REL; /* release */
+  if ((i = DIVERT_REG_NAME(&divert_if)) != DIVERT_NO_ERR)
+   { printk(KERN_WARNING "dss1_divert: error %d releasing module\n",i);
+     restore_flags(flags);
+     return;
+   } 
+  if (divert_dev_deinit()) 
+   { printk(KERN_WARNING "dss1_divert: device busy, remove cancelled\n");
+     restore_flags(flags);
+     return;
+   }
+  restore_flags(flags);
+  deleterule(-1); /* delete all rules and free mem */
+  deleteprocs();
+  printk(KERN_INFO "dss1_divert module successfully removed \n");
+} /* cleanup_module */
+
+