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/*
*
* Copyright (c) 2002, Smart Link Ltd.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following
* disclaimer in the documentation and/or other materials provided
* with the distribution.
* 3. Neither the name of the Smart Link Ltd. nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
*/
/*
*
* modem_dp.h - modem data pumps interface definitions
*
* Author: sashak@smlink.com
*/
#ifndef __MODEM_DP_H__
#define __MODEM_DP_H__
#include <modem_defs.h>
/*
* type definitions
*
*/
/* data pump operations structure */
struct dp_operations {
const char *name;
int use_count;
/* dp interface */
struct dp *(*create)(struct modem *, enum DP_ID id,
int caller, int srate, int max_frag,
struct dp_operations *);
int (*delete)(struct dp *);
int (*process)(struct dp *, void *in, void *out, int cnt);
int (*hangup)(struct dp *);
};
/* data pump structure */
struct dp {
enum DP_ID id;
struct modem *modem;
unsigned status;
struct dp_operations *op;
void *dp_data;
};
/*
* prototypes
*
*/
/* bit interface */
extern int modem_get_bits(struct modem *m, int nbits, u8 *buf, int n);
extern int modem_put_bits(struct modem *m, int nbits, u8 *buf, int n);
/* modem dp registration */
extern int modem_dp_register(enum DP_ID id, struct dp_operations *op);
extern void modem_dp_deregister(enum DP_ID id, struct dp_operations *op);
#endif /* __MODEM_DP_H__ */
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