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/**************************************************************************
*
* Copyright (c) 2013 Alcatel-Lucent
*
* Alcatel Lucent licenses this file to You under the Apache License,
* Version 2.0 (the "License"); you may not use this file except in
* compliance with the License. A copy of the License is contained the
* file LICENSE at the top level of this repository.
* You may also obtain a copy of the License at:
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
**************************************************************************
*
* devices.h
*
* device structure:
* This structure defines the basic information needed for device
* control. The table of devices is initialized at compile time
* with each device assigned an integer device descriptor.
*
* Original author: Ed Sutter (ed.sutter@alcatel-lucent.com)
*
*/
#ifndef _DEVICES_H_
#define _DEVICES_H_
struct device {
int (*init)(unsigned long);
int (*ctrl)(int,unsigned long,unsigned long);
int (*open)(unsigned long,unsigned long);
int (*close)(int);
int (*read)(char *,int);
int (*write)(char *,int);
char *name;
};
extern struct device devtbl[];
/* Generic driver functions: */
extern int open(int, unsigned long, unsigned long);
extern int close(int);
extern int read(int, char *, int);
extern int write(int, char *, int);
extern int init(int, unsigned long);
extern int ioctl(int, int, unsigned long, unsigned long);
extern int devInit(int);
extern int isbaddev(int);
extern void devtbldump(void);
/* Common ioctl definitions: */
#define INIT 1
#define GOTACHAR 2
#define SETBAUD 3
#define nodriver 0
extern int ConsoleDevice;
#endif
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