sys/dev/ic/tropicvar.h

   1 /*      $NetBSD: tropicvar.h,v 1.12 2007/03/04 06:02:02 christos Exp $  */
   2
   3 /*
   4  * Mach Operating System
   5  * Copyright (c) 1991 Carnegie Mellon University
   6  * Copyright (c) 1991 IBM Corporation
   7  * All Rights Reserved.
   8  *
   9  * Permission to use, copy, modify and distribute this software and its
  10  * documentation is hereby granted, provided that both the copyright
  11  * notice and this permission notice appear in all copies of the
  12  * software, derivative works or modified versions, and any portions
  13  * thereof, and that both notices appear in supporting documentation,
  14  * and that the name IBM not be used in advertising or publicity
  15  * pertaining to distribution of the software without specific, written
  16  * prior permission.
  17  *
  18  * CARNEGIE MELLON AND IBM ALLOW FREE USE OF THIS SOFTWARE IN ITS "AS IS"
  19  * CONDITION.  CARNEGIE MELLON AND IBM DISCLAIM ANY LIABILITY OF ANY KIND FOR
  20  * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
  21  *
  22  * Carnegie Mellon requests users of this software to return to
  23  *
  24  *  Software Distribution Coordinator  or  Software.Distribution@CS.CMU.EDU
  25  *  School of Computer Science
  26  *  Carnegie Mellon University
  27  *  Pittsburgh PA 15213-3890
  28  *
  29  * any improvements or extensions that they make and grant Carnegie Mellon
  30  * the rights to redistribute these changes.
  31  */
  32
  33 /* $ACIS:if_lanvar.h 12.0$ */
  34
  35 #include <sys/callout.h>
  36
  37 /*
  38  * This file contains structures used in the "tr" driver for the
  39  *      IBM TOKEN-RING NETWORK PC ADAPTER
  40  */
  41
  42 /* Receive buffer control block */
  43 struct rbcb {
  44         bus_size_t      rbufp;          /* offset of current receive buffer */
  45         bus_size_t      rbufp_next;     /* offset of next receive buffer */
  46         bus_size_t      rbuf_datap;     /* offset of data in receive buffer */
  47         unsigned short  data_len;       /* amount of data in this rec buffer */
  48 };
  49
  50 /*
  51  *      Token-Ring software status per adapter
  52  */
  53 struct  tr_softc {
  54         struct device sc_dev;
  55         void    *sc_ih;
  56         struct ethercom sc_ethercom;
  57         struct ifmedia  sc_media;
  58         u_char  sc_xmit_correlator;
  59         int     sc_xmit_buffers;
  60 #if 1
  61         int     sc_xmit_head;
  62         int     sc_xmit_tail;
  63 #endif
  64         int     sc_minbuf;
  65         int     sc_nbuf;
  66         bus_size_t sc_txca;
  67
  68         bus_space_tag_t sc_piot;
  69         bus_space_tag_t sc_memt;
  70         bus_space_handle_t sc_pioh;     /* handle pio area */
  71         bus_space_handle_t sc_sramh;    /* handle for the shared ram area */
  72         bus_space_handle_t sc_mmioh;    /* handle for the bios/mmio area */
  73
  74         struct callout sc_init_callout;
  75         struct callout sc_reinit_callout;
  76
  77         int (*sc_mediachange)(struct tr_softc *);
  78         void (*sc_mediastatus)(struct tr_softc *, struct ifmediareq *);
  79         struct rbcb rbc;        /* receiver buffer control block */
  80         bus_size_t sc_aca;      /* offset of adapter ACA */
  81         bus_size_t sc_ssb;      /* offset of System Status Block */
  82         bus_size_t sc_arb;      /* offset of Adapter Request Block */
  83         bus_size_t sc_srb;      /* offset of System Request Block */
  84         bus_size_t sc_asb;      /* offset of Adapter Status Block */
  85         u_int sc_maddr;         /* mapped shared memory address */
  86         u_int sc_memwinsz;      /* mapped shared memory window size */
  87         u_int sc_memsize;       /* memory installed on adapter */
  88         u_int sc_memreserved;   /* reserved memory on adapter */
  89         int sc_dhb4maxsz;       /* max. dhb size at 4MBIT ring speed */
  90         int sc_dhb16maxsz;      /* max. dbh size at 16MBIT ring speed */
  91         int sc_maxmtu;          /* max. MTU supported by adapter */
  92         unsigned char   sc_init_status;
  93         void * tr_sleepevent;           /* tr event signalled on successful */
  94                                         /* open of adapter  */
  95         unsigned short exsap_station;   /* station assigned by open sap cmd */
  96
  97         void *sc_sdhook;
  98
  99         /* Power management hooks */
 100         int (*sc_enable)(struct tr_softc *);
 101         void (*sc_disable)(struct tr_softc *);
 102         int sc_enabled;
 103 };
 104
 105 int tr_config(struct tr_softc *);
 106 int tr_attach(struct tr_softc *);
 107 int tr_intr(void *);
 108 void tr_init(void *);
 109 int tr_ioctl(struct ifnet *, u_long, void *);
 110 void tr_stop(struct tr_softc *);
 111 int tr_reset(struct tr_softc *);
 112 void tr_sleep(struct tr_softc *);
 113 int tr_setspeed(struct tr_softc *, u_int8_t);
 114 int tr_enable(struct tr_softc *);
 115 void tr_disable(struct tr_softc *);
 116 int tr_activate(device_t, enum devact);
 117 int tr_detach(device_t, int flags);