The Design and Implementation of the FreeBSD Operating System, Second Edition
Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)


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FreeBSD/Linux Kernel Cross Reference
sys/dev/ic/smc90cx6var.h

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    1 /*      $NetBSD: smc90cx6var.h,v 1.9 2008/04/28 20:23:51 martin Exp $   */
    2 
    3 /*-
    4  * Copyright (c) 1994, 1995, 1998 The NetBSD Foundation, Inc.
    5  * All rights reserved.
    6  *
    7  * This code is derived from software contributed to The NetBSD Foundation
    8  * by Ignatios Souvatzis.
    9  *
   10  * Redistribution and use in source and binary forms, with or without
   11  * modification, are permitted provided that the following conditions
   12  * are met:
   13  * 1. Redistributions of source code must retain the above copyright
   14  *    notice, this list of conditions and the following disclaimer.
   15  * 2. Redistributions in binary form must reproduce the above copyright
   16  *    notice, this list of conditions and the following disclaimer in the
   17  *    documentation and/or other materials provided with the distribution.
   18  *
   19  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
   20  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
   21  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
   22  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
   23  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
   24  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
   25  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
   26  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
   27  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
   28  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
   29  * POSSIBILITY OF SUCH DAMAGE.
   30  */
   31 
   32 /*
   33  * BAH (SMC 8bit ARCnet chipset) k/dpi
   34  *
   35  * The SMC 8bit ARCnet chip family uses a register and a memory window, which
   36  * we get passed via bus_space_tags and bus_space_handles.
   37  *
   38  * As the reset functionality differs between the Amiga boards (using the
   39  * 90c26 chip) and middle-aged ISA boards (using the 90c56 chip), we have
   40  * a sc_reset callback function in the softc, which does a stop function
   41  * (reset and leave dead) or a reset function depending on wether the 2nd
   42  * parameter is 0 or 1.
   43  */
   44 
   45 #ifndef _SMC90CX6VAR_H_
   46 #define _SMC90CX6VAR_H_
   47 
   48 #include <sys/callout.h>
   49 
   50 struct bah_softc {
   51         struct  device          sc_dev;
   52         struct  arccom          sc_arccom;      /* Common arcnet structures */
   53         bus_space_tag_t         sc_bst_r, sc_bst_m;
   54         bus_space_handle_t      sc_regs, sc_mem;
   55         void    (*sc_reset)(struct bah_softc *, int);
   56         void    *sc_rxcookie;           /* softcallback cookies */
   57         void    *sc_txcookie;
   58         struct callout sc_recon_ch;
   59         u_long  sc_recontime;           /* seconds only, I'm lazy */
   60         u_long  sc_reconcount;          /* for the above */
   61         u_long  sc_reconcount_excessive; /* for the above */
   62 #define ARC_EXCESSIVE_RECONS 20
   63 #define ARC_EXCESSIVE_RECONS_REWARN 400
   64         u_char  sc_intmask;
   65         u_char  sc_rx_act;              /* 2..3 */
   66         u_char  sc_tx_act;              /* 0..1 */
   67         u_char  sc_rx_fillcount;
   68         u_char  sc_tx_fillcount;
   69         u_char  sc_broadcast[2];        /* is it a broadcast packet? */
   70         u_char  sc_retransmits[2];      /* unused at the moment */
   71 };
   72 
   73 void    bah_attach_subr(struct bah_softc *);
   74 int     bahintr(void *);
   75 
   76 #endif

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