diff options
Diffstat (limited to 'drivers/isdn/divert/divert_init.c')
| -rw-r--r-- | drivers/isdn/divert/divert_init.c | 110 |
1 files changed, 110 insertions, 0 deletions
diff --git a/drivers/isdn/divert/divert_init.c b/drivers/isdn/divert/divert_init.c new file mode 100644 index 000000000..ce44cfa19 --- /dev/null +++ b/drivers/isdn/divert/divert_init.c @@ -0,0 +1,110 @@ +/* + * $Id: divert_init.c,v 1.4 1999/08/22 20:26:32 calle 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 1.4 1999/08/22 20:26:32 calle + * backported changes from kernel 2.3.14: + * - several #include "config.h" gone, others come. + * - "struct device" changed to "struct net_device" in 2.3.14, added a + * define in isdn_compat.h for older kernel versions. + * + * 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/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 */ + + |