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/*
* Copyright (c) 2000, 2001 Hellmuth Michaelis. 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.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR 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 AUTHOR 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.
*
*---------------------------------------------------------------------------*
*
* i4b_l1.h - isdn4bsd layer 1 header file
* ---------------------------------------
*
* $FreeBSD$
*
* last edit-date: [Tue Jan 23 17:04:57 2001]
*
*---------------------------------------------------------------------------*/
#ifndef _I4B_L1_H_
#define _I4B_L1_H_
#include <i4b/include/i4b_l3l4.h>
#define SEC_DELAY 1000000 /* one second DELAY for DELAY*/
#define MAX_DFRAME_LEN 264 /* max length of a D frame */
#define min(a,b) ((a)<(b)?(a):(b))
/* L1DRVR_XXXX moved to i4b_ioctl.h */
#define L0DRVR(du) (((du) >> 8) & 0xff)
#define L0UNIT(du) ((du) & 0xff)
#define L0DRVRUNIT(d, u) ( (((d) << 8) & 0xff00) | ((u) & 0xff))
#define L0ISICUNIT(u) ( (((L1DRVR_ISIC) << 8) & 0xff00) | ((u) & 0xff))
#define L0IWICUNIT(u) ( (((L1DRVR_IWIC) << 8) & 0xff00) | ((u) & 0xff))
#define L0IFPIUNIT(u) ( (((L1DRVR_IFPI) << 8) & 0xff00) | ((u) & 0xff))
#define L0IHFCUNIT(u) ( (((L1DRVR_IHFC) << 8) & 0xff00) | ((u) & 0xff))
#define L0IFPNPUNIT(u) ( (((L1DRVR_IFPNP) << 8) & 0xff00) | ((u) & 0xff))
#define L0ICCHPUNIT(u) ( (((L1DRVR_ICCHP) << 8) & 0xff00) | ((u) & 0xff))
#define L0ITJCUNIT(u) ( (((L1DRVR_ITJC) << 8) & 0xff00) | ((u) & 0xff))
#define L0IFPI2UNIT(u) ( (((L1DRVR_IFPI2) << 8) & 0xff00) | ((u) & 0xff))
/* jump table for the multiplex functions */
struct i4b_l1mux_func {
isdn_link_t * (*ret_linktab)(int, int);
void (*set_linktab)(int, int, drvr_link_t *);
int (*mph_command_req)(int, int, void *);
int (*ph_data_req)(int, struct mbuf *, int);
int (*ph_activate_req)(int);
};
int i4b_l1_ph_data_ind(int unit, struct mbuf *m);
int i4b_l1_ph_activate_ind(int unit);
int i4b_l1_ph_deactivate_ind(int unit);
int i4b_l1_mph_status_ind(int, int, int, struct i4b_l1mux_func *);
isdn_link_t *i4b_l1_ret_linktab(int unit, int channel);
void i4b_l1_set_linktab(int unit, int channel, drvr_link_t *dlt);
int i4b_l1_trace_ind(i4b_trace_hdr_t *, int, u_char *);
/* i4b_l1lib.c */
int i4b_l1_bchan_tel_silence(unsigned char *data, int len);
#endif /* _I4B_L1_H_ */
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