102 lines
4.2 KiB
C
102 lines
4.2 KiB
C
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/*
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* Copyright (c) 1997,2001 Martin Husemann <martin@duskware.de>
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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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* 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. The name of the author may not be used to endorse or promote products
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* derived from this software withough specific prior written permission
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT 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 OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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*/
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#ifndef DIEHLISDNVAR
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#define DIEHLISDNVAR
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#if defined(KERNEL) || defined(_KERNEL)
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#define DAIC_MAX_PORT 4
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#define DAIC_ISA_MEMSIZE 2048
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#define DAIC_ISA_QUADSIZE (DAIC_MAX_PORT*DAIC_ISA_MEMSIZE)
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#define DAIC_MAX_ACTIVE (2*DAIC_MAX_PORT) /* simlutaneous connections on one instance */
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/* A queue of pending outgoing calls */
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struct outcallentry {
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TAILQ_ENTRY(outcallentry) queue;
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unsigned int cdid; /* call descriptor id for layer 4 */
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u_int8_t dchan_id; /* task id for microcode */
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u_int8_t rc; /* return code */
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};
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/* One active connection */
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struct daic_connection {
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u_int cdid; /* layer 4 call descriptor id */
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struct ifqueue tx_queue; /* outgoing data */
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struct ifqueue rx_queue; /* incoming data */
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isdn_link_t isdn_linktab; /* description of ourself */
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drvr_link_t *drvr_linktab; /* application driver using us */
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u_int8_t dchan_inst; /* d-channel instance */
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u_int8_t dchan_rc; /* return code for dchannel requests */
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u_int8_t bchan_inst; /* b-channel instance */
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u_int8_t bchan_rc; /* return code for bchannel requests */
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};
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/* superclass of all softc structs for attachments, you should
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* always be able to cast an attachments struct device *self to this. */
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struct daic {
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struct device sc_dev;
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bus_space_tag_t sc_iot; /* bus identifier */
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bus_space_handle_t sc_ioh; /* mem handle */
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int sc_cardtype; /* variant of card */
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#define DAIC_TYPE_S 0
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#define DAIC_TYPE_SX 1
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#define DAIC_TYPE_SCOM 2
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#define DAIC_TYPE_QUAD 3
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int sc_ctrl[DAIC_MAX_PORT]; /* upper layer controller number */
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int sc_state[DAIC_MAX_PORT]; /* state of board, see below */
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#define DAIC_STATE_COLD 0 /* nothing happened to the board */
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#define DAIC_STATE_DOWNLOAD 1 /* the card is waiting for protocol code */
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#define DAIC_STATE_TESTING 2 /* waiting for first interrupt from card */
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#define DAIC_STATE_RUNNING 3 /* the protocol is running */
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#define DAIC_STATE_DIAGNOSTIC 4 /* temporary disabled for diagnostics */
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int sc_assign[DAIC_MAX_PORT]; /* allocating new protocol instance */
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#define DAIC_ASSIGN_PENDING 1 /* we are awaiting a new ID */
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#define DAIC_ASSIGN_SLEEPING 2 /* somebody sleeping, wakeup after we got the ID */
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#define DAIC_ASSIGN_GLOBAL 4 /* result is a global d-channel id */
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#define DAIC_ASSIGN_NOGLOBAL 8 /* need to assign a global d-channel id */
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u_int8_t sc_global_dchan[DAIC_MAX_PORT]; /* handle of global dchannel instance */
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u_int8_t sc_request_res[DAIC_MAX_PORT]; /* result of requests */
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u_int8_t sc_assign_res[DAIC_MAX_PORT]; /* result of assigns */
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/* one record for each b-channel we could handle concurrently */
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struct daic_connection sc_con[DAIC_MAX_ACTIVE];
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/* a tailq of ougoing calls no yet assigned to any b-channel */
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TAILQ_HEAD(outcallhead, outcallentry) sc_outcalls[DAIC_MAX_PORT];
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};
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/*
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* functions exported from MI part
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*/
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extern int daic_probe __P((bus_space_tag_t bus, bus_space_handle_t io));
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extern void daic_attach __P((struct device *self, struct daic *sc));
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extern int daic_intr __P((struct daic *));
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#endif
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#endif
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