FreeBSD/Linux Kernel Cross Reference
sys/dev/ic/daicvar.h

     /* $NetBSD: daicvar.h,v 1.10 2008/04/28 20:23:49 martin Exp $ */
     
     /*-
      * Copyright (c) 2002 The NetBSD Foundation, Inc.
      * All rights reserved.
      *
      * This code is derived from software contributed to The NetBSD Foundation
      * by Martin Husemann <martin@NetBSD.org>.
      *
     * 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 NETBSD FOUNDATION, INC. 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 FOUNDATION 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 DIEHLISDNVAR
    #define DIEHLISDNVAR
    #if defined(KERNEL) || defined(_KERNEL)
    
    #define DAIC_MAX_PORT           4
    #define DAIC_ISA_MEMSIZE        2048
    #define DAIC_ISA_QUADSIZE       (DAIC_MAX_PORT*DAIC_ISA_MEMSIZE)
    #define DAIC_MAX_ACTIVE         (2*DAIC_MAX_PORT)       /* simlutaneous connections on one instance */
    
    /* A queue of pending outgoing calls */
    struct outcallentry {
            TAILQ_ENTRY(outcallentry) queue;
            unsigned int cdid;      /* call descriptor id for layer 4 */
            u_int8_t dchan_id;      /* task id for microcode */
            u_int8_t rc;            /* return code */
    };
    
    /* One active connection */
    struct daic_connection {
            u_int cdid;                     /* layer 4 call descriptor id */
            struct ifqueue tx_queue;        /* outgoing data */
            struct ifqueue rx_queue;        /* incoming data */
            isdn_link_t isdn_linktab;       /* description of ourself */
            const struct isdn_l4_driver_functions
                            *l4_driver;             /* layer 4 driver               */
            void            *l4_driver_softc;       /* layer 4 driver instance      */
            u_int8_t dchan_inst;            /* d-channel instance */
            u_int8_t dchan_rc;              /* return code for dchannel requests */
            u_int8_t bchan_inst;            /* b-channel instance */
            u_int8_t bchan_rc;              /* return code for bchannel requests */
    };
    
    /*
     * One BRI as exposed to the upper layers, with all the internal management
     * information we need for it. A pointer to this is passed as the driver
     * token.
     */
    struct daic_unit {
            struct daic_softc *du_sc;       /* pointer to softc */
            const struct isdn_l3_driver *du_l3;
            int du_port;                    /* port number (on multi BRI cards) */
            int du_state;                   /* state of board, see below */
    #define DAIC_STATE_COLD         0       /* nothing happened to the board */
    #define DAIC_STATE_DOWNLOAD     1       /* the card is waiting for protocol code */
    #define DAIC_STATE_TESTING      2       /* waiting for first interrupt from card */
    #define DAIC_STATE_RUNNING      3       /* the protocol is running */
    #define DAIC_STATE_DIAGNOSTIC   4       /* temporary disabled for diagnostics */
    
            int du_assign;                  /* allocate new protocol instance */
    #define DAIC_ASSIGN_PENDING     1       /* we are awaiting a new ID */
    #define DAIC_ASSIGN_SLEEPING    2       /* somebody sleeping, wakeup after we got the ID */
    #define DAIC_ASSIGN_GLOBAL      4       /* result is a global d-channel id */
    #define DAIC_ASSIGN_NOGLOBAL    8       /* need to assign a global d-channel id */
    
            u_int8_t du_global_dchan;       /* handle of global dchannel instance */
            u_int8_t du_request_res;        /* result of requests */
            u_int8_t du_assign_res;         /* result of assigns */
    };
    
    /* superclass of all softc structs for attachments, you should
     * always be able to cast an attachments struct device *self to this. */
    struct daic_softc {
            struct device sc_dev;
            bus_space_tag_t sc_iot;         /* bus identifier */
            bus_space_handle_t sc_ioh;      /* mem handle */
            int sc_cardtype;                /* variant of card */
    #define DAIC_TYPE_S     0
    #define DAIC_TYPE_SX    1
   #define DAIC_TYPE_SCOM  2
   #define DAIC_TYPE_QUAD  3
   
           struct daic_unit sc_port[DAIC_MAX_PORT];
   
           /* one record for each b-channel we could handle concurrently */
           struct daic_connection sc_con[DAIC_MAX_ACTIVE];
   
           /* a tailq of ougoing calls no yet assigned to any b-channel */
           TAILQ_HEAD(outcallhead, outcallentry) sc_outcalls[DAIC_MAX_PORT];
   };
   
   /*
    * functions exported from MI part
    */
   extern int daic_probe(bus_space_tag_t bus, bus_space_handle_t io);
   extern void daic_attach(struct device *self, struct daic_softc *sc);
   extern int daic_intr(struct daic_softc *);
   
   #endif
   #endif

Cache object: c213b45e6abca338a2004a2eef0d13b5