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6b244dc54b
Add a CAPI (hardware independent) driver i4bcapi(4) and hardware driver iavc (4) to support active CAPI-based BRI and PRI cards (currently AVM B1 and T1 cards) to isdn4bsd.
130 lines
4.4 KiB
C
130 lines
4.4 KiB
C
/*
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* Copyright (c) 2001 Cubical Solutions Ltd. 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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* 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 copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* capi/capi.h The CAPI device interface.
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*
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* $FreeBSD$
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*/
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#ifndef _I4B_CAPI_H_
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#define _I4B_CAPI_H_
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/*
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// CAPI driver context: B channels and controller softcs.
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*/
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#define INVALID -1
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enum capi_b_state {
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B_FREE, /* channel free, ncci invalid */
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B_CONNECT_CONF, /* wait for CONNECT_CONF */
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B_CONNECT_IND, /* IND got, wait for appl RESP */
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B_CONNECT_ACTIVE_IND, /* wait for CONNECT_ACTIVE_IND */
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B_CONNECT_B3_CONF, /* wait for CONNECT_B3_CONF */
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B_CONNECT_B3_IND, /* wait for CONNECT_B3_IND */
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B_CONNECT_B3_ACTIVE_IND, /* wait for CONNECT_B3_ACTIVE_IND */
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B_CONNECTED, /* channel connected & in use */
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B_DISCONNECT_CONF, /* wait for DISCONNECT_CONF */
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B_DISCONNECT_B3_CONF, /* wait for DISCONNECT_B3_CONF */
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B_DISCONNECT_IND, /* wait for DISCONNECT_IND */
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};
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typedef struct capi_bchan
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{
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/* Channel state */
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int ncci;
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#define CAPI_CTRL_MASK 0x000000ff
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#define CAPI_PLCI_MASK 0x0000ffff
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#define CAPI_NCCI_MASK 0xffff0000
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u_int16_t msgid;
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int busy;
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enum capi_b_state state;
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struct ifqueue tx_queue;
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struct ifqueue rx_queue;
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int rxcount;
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int txcount;
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/* The rest is needed for i4b integration */
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int bprot;
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int cdid;
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struct mbuf *in_mbuf;
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isdn_link_t capi_isdn_linktab;
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drvr_link_t *capi_drvr_linktab;
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} capi_bchan_t;
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enum capi_c_state {
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C_DOWN, /* controller uninitialized */
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C_READY, /* controller initialized but not listening */
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C_UP, /* controller listening */
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};
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typedef struct capi_softc {
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int sc_unit; /* index in capi_sc[] */
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int ctrl_unit; /* index in isdn_ctrl_tab[] */
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int card_type; /* CARD_TYPEC_xxx, filled by ll driver */
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int sc_nbch; /* number of b channels on this controller */
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int sc_enabled; /* is daemon connected TRUE/FALSE */
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int sc_msgid; /* next CAPI message id */
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char sc_profile[64];/* CAPI profile data */
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enum capi_c_state sc_state;
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capi_bchan_t sc_bchan[MAX_BCHAN];
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/* Link layer driver context holder and methods */
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void *ctx;
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int (*load)(struct capi_softc *, int, u_int8_t *);
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int (*reg_appl)(struct capi_softc *, int, int);
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int (*rel_appl)(struct capi_softc *, int);
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int (*send)(struct capi_softc *, struct mbuf *);
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} capi_softc_t;
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extern capi_softc_t *capi_sc[];
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extern int ncapi;
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/*
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// CAPI upcalls for the link layer.
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*/
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#define I4BCAPI_APPLID 1
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extern int capi_ll_attach(capi_softc_t *);
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extern int capi_ll_control(capi_softc_t *, int op, int arg);
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#define CAPI_CTRL_READY 0 /* ctrl ready, value=TRUE/FALSE */
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#define CAPI_CTRL_PROFILE 1 /* set CAPI profile */
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#define CAPI_CTRL_NEW_NCCI 2 /* new ncci value, assign bchan */
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#define CAPI_CTRL_FREE_NCCI 3 /* free ncci value, clear bchan */
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extern int capi_ll_receive(capi_softc_t *, struct mbuf *);
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extern int capi_start_tx(capi_softc_t *, int bchan);
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#endif /* _I4B_CAPI_H_ */
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