NetBSD/sys/netisdn/i4b_l1l2.h
martin bf8b82a971 Move isic_intr_enable to a file not depending on the HSCX driver, so
ifpci-only configurations build again.

Remove the now unused controller enable function from the passive drivers
l2<->l1 interface.
2002-04-01 12:14:26 +00:00

84 lines
3.0 KiB
C

/* $NetBSD: i4b_l1l2.h,v 1.5 2002/04/01 12:14:26 martin Exp $ */
/*
* Copyright (c) 2001-2002 Martin Husemann. 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.
*
*/
#ifndef _I4B_L1L2_H_
#define _I4B_L1L2_H_
/*
* This file defines the D-channel interface between layer 1 (physical
* card hardware) and layer 2 of a passive ISDN card (i.e. a card that
* does not run it's own ISDN stack in firmware).
*
* Since each layer 1 driver knows in advance it will need to attach
* to this layer 2, the whole layer 2 softc struct is typically included
* in the layer 1 softc.
*
* A back-pointer to the layer 1 softc is included (as void*) in this
* structure.
*/
typedef void * isdn_layer1token;
/*
* Each driver attaching to layer 2 via this interface provides a pointer
* to a struct of function pointers used to communicate with layer 1, while
* layer 1 calls layer 2 functions directly (see below).
*
* Layer 1 functions called from layer 2:
*/
struct isdn_layer1_bri_driver {
/* Request to transmit data. */
int (*ph_data_req)(isdn_layer1token, struct mbuf *, int);
/* Request to activate layer 1. */
int (*ph_activate_req)(isdn_layer1token);
/* Request to execute an internal command. */
int (*mph_command_req)(isdn_layer1token, int, void *);
};
/*
* Layer 2 functions called by layer 1:
*/
/* Process a rx'd frame */
int isdn_layer2_data_ind(struct l2_softc * t, struct mbuf *m);
/* Pass a layer 1 activation/deactivation to layer 2. */
int isdn_layer2_activate_ind(struct l2_softc *, int);
/* Pass trace data to layer 2. */
struct i4b_trace_hdr; /* from i4b_trace.h */
int isdn_layer2_trace_ind(struct l2_softc *, struct i4b_trace_hdr *, size_t, unsigned char *);
/* Pass status informations to layer 2. */
int isdn_layer2_status_ind(struct l2_softc *, int, int);
#endif /* !_I4B_L1L2_H_ */