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/*
* dmxdevP.h
* private header, only for dmxdev.
*
* Copyright (C) Michael Stickel <michael@cubic.org>
*
* 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
* of the License, 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#ifndef __DMXDEVP_H__
#define __DMXDEVP_H__
#include <linux/config.h>
#include <linux/version.h>
#ifndef CONFIG_MODULES
#error Linux Kernel needs Modules support for DMX4Linux
#endif
#ifndef KERNEL_VERSION
#define KERNEL_VERSION(a,b,c) (((a) << 16) + ((b) << 8) + (c))
#endif
#if LINUX_VERSION_CODE < KERNEL_VERSION(2,2,0)
#error DMX4Linux requires Linux 2.2.x or greater
#endif
#if defined(CONFIG_MODVERSIONS) && !defined(MODVERSIONS)
# define MODVERSIONS
#endif
#ifdef MODVERSIONS
# if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,0)
# include <config/modversions.h>
# else
# include <linux/modversions.h>
# endif
#endif
#include <dmx/dmxdev.h>
#include <dmxdev/utils.h>
#include <dmxdev/fileinfo.h>
#define MINOR_NUM(min,node) int min=MINOR(node->i_rdev)
#define FILE_MINOR_NUM(min,file) int min=MINOR(file->f_dentry->d_inode->i_rdev)
#define FILE_MINOR(file) MINOR((file)->f_dentry->d_inode->i_rdev)
#define MINVAL(min) ((min)>=0 && (min)<DMX_DEVNUMS)
#define DEV_BUF(buf,n) unsigned char *buf=DMX_Buffer[(n)]
#define IS_MINOR_DMXOUT(x) ((x)==DMXOUTMINOR) /* output device. memory mapping possible */
#define IS_MINOR_DMXIN(x) ((x)==DMXINMINOR) /* works as dmx-out for inputs */
#ifndef MIN
#define MIN(a,b) (((a)<(b))?(a):(b))
#endif
#ifndef MAX
#define MAX(a,b) (((a)>(b))?(a):(b))
#endif
int DMXProcInit (void);
void DMXProcCleanup (void);
int number_input_universes (void);
int number_output_universes (void);
DMXInterface *dmx_family_create_interface (DMXFamily *f, DMXPropList *pl);
/*
* for internal use only
*/
int
dmx_universe_signal_changed (DMXUniverse *u, uint start, uint size);
#endif
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