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