lancevar.h revision 1.1
1 /* $NetBSD: lancevar.h,v 1.1 1998/07/21 17:26:46 drochner Exp $ */ 2 3 /*- 4 * Copyright (c) 1997 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by Jason R. Thorpe of the Numerical Aerospace Simulation Facility, 9 * NASA Ames Research Center. 10 * 11 * Redistribution and use in source and binary forms, with or without 12 * modification, are permitted provided that the following conditions 13 * are met: 14 * 1. Redistributions of source code must retain the above copyright 15 * notice, this list of conditions and the following disclaimer. 16 * 2. Redistributions in binary form must reproduce the above copyright 17 * notice, this list of conditions and the following disclaimer in the 18 * documentation and/or other materials provided with the distribution. 19 * 3. All advertising materials mentioning features or use of this software 20 * must display the following acknowledgement: 21 * This product includes software developed by the NetBSD 22 * Foundation, Inc. and its contributors. 23 * 4. Neither the name of The NetBSD Foundation nor the names of its 24 * contributors may be used to endorse or promote products derived 25 * from this software without specific prior written permission. 26 * 27 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 28 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 29 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 30 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 31 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 32 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 33 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 34 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 35 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 36 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 37 * POSSIBILITY OF SUCH DAMAGE. 38 */ 39 40 /* 41 * Copyright (c) 1995 Charles M. Hannum. All rights reserved. 42 * 43 * Redistribution and use in source and binary forms, with or without 44 * modification, are permitted provided that the following conditions 45 * are met: 46 * 1. Redistributions of source code must retain the above copyright 47 * notice, this list of conditions and the following disclaimer. 48 * 2. Redistributions in binary form must reproduce the above copyright 49 * notice, this list of conditions and the following disclaimer in the 50 * documentation and/or other materials provided with the distribution. 51 * 3. All advertising materials mentioning features or use of this software 52 * must display the following acknowledgement: 53 * This product includes software developed by Charles M. Hannum. 54 * 4. The name of the author may not be used to endorse or promote products 55 * derived from this software without specific prior written permission. 56 * 57 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 58 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 59 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 60 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 61 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 62 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 63 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 64 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 65 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 66 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 67 */ 68 69 #include "rnd.h" 70 71 #if NRND > 0 72 #include <sys/rnd.h> 73 #endif 74 75 struct lance_softc { 76 struct device sc_dev; /* base device glue */ 77 struct ethercom sc_ethercom; /* Ethernet common part */ 78 struct ifmedia sc_media; /* our supported media */ 79 80 /* 81 * Memory functions: 82 * 83 * copy to/from descriptor 84 * copy to/from buffer 85 * zero bytes in buffer 86 */ 87 void (*sc_copytodesc) 88 __P((struct lance_softc *, void *, int, int)); 89 void (*sc_copyfromdesc) 90 __P((struct lance_softc *, void *, int, int)); 91 void (*sc_copytobuf) 92 __P((struct lance_softc *, void *, int, int)); 93 void (*sc_copyfrombuf) 94 __P((struct lance_softc *, void *, int, int)); 95 void (*sc_zerobuf) 96 __P((struct lance_softc *, int, int)); 97 98 /* 99 * Machine-dependent functions: 100 * 101 * read/write CSR 102 * hardware reset hook - may be NULL 103 * hardware init hook - may be NULL 104 * no carrier hook - may be NULL 105 * media change hook - may be NULL 106 */ 107 u_int16_t (*sc_rdcsr) 108 __P((struct lance_softc *, u_int16_t)); 109 void (*sc_wrcsr) 110 __P((struct lance_softc *, u_int16_t, u_int16_t)); 111 void (*sc_hwreset) __P((struct lance_softc *)); 112 void (*sc_hwinit) __P((struct lance_softc *)); 113 void (*sc_nocarrier) __P((struct lance_softc *)); 114 int (*sc_mediachange) __P((struct lance_softc *)); 115 void (*sc_mediastatus) __P((struct lance_softc *, 116 struct ifmediareq *)); 117 118 /* 119 * Media-supported by this interface. If this is NULL, 120 * the only supported media is assumed to be "manual". 121 */ 122 int *sc_supmedia; 123 int sc_nsupmedia; 124 int sc_defaultmedia; 125 126 /* PCnet bit to use software selection of a port */ 127 int sc_initmodemedia; 128 129 int sc_havecarrier; /* carrier status */ 130 131 void *sc_sh; /* shutdownhook cookie */ 132 133 u_int16_t sc_conf3; /* CSR3 value */ 134 u_int16_t sc_saved_csr0;/* Value of csr0 at time of interrupt */ 135 136 void *sc_mem; /* base address of RAM -- CPU's view */ 137 u_long sc_addr; /* base address of RAM -- LANCE's view */ 138 139 u_long sc_memsize; /* size of RAM */ 140 141 int sc_nrbuf; /* number of receive buffers */ 142 int sc_ntbuf; /* number of transmit buffers */ 143 int sc_last_rd; 144 int sc_first_td, sc_last_td, sc_no_td; 145 146 int sc_initaddr; 147 int sc_rmdaddr; 148 int sc_tmdaddr; 149 int *sc_rbufaddr; 150 int *sc_tbufaddr; 151 152 #ifdef LEDEBUG 153 int sc_debug; 154 #endif 155 u_int8_t sc_enaddr[6]; 156 u_int8_t sc_pad[2]; 157 #if NRND > 0 158 rndsource_element_t rnd_source; 159 #endif 160 161 void (*sc_meminit) __P((struct lance_softc *)); 162 void (*sc_start) __P((struct ifnet *)); 163 }; 164 165 void lance_config __P((struct lance_softc *)); 166 void lance_reset __P((struct lance_softc *)); 167 void lance_init __P((struct lance_softc *)); 168 int lance_put __P((struct lance_softc *, int, struct mbuf *)); 169 void lance_read __P((struct lance_softc *, int, int)); 170 void lance_setladrf __P((struct ethercom *, u_int16_t *)); 171 172 /* 173 * The following functions are only useful on certain cpu/bus 174 * combinations. They should be written in assembly language for 175 * maximum efficiency, but machine-independent versions are provided 176 * for drivers that have not yet been optimized. 177 */ 178 void lance_copytobuf_contig __P((struct lance_softc *, void *, int, int)); 179 void lance_copyfrombuf_contig __P((struct lance_softc *, void *, int, int)); 180 void lance_zerobuf_contig __P((struct lance_softc *, int, int)); 181 182 #if 0 /* Example only - see lance.c */ 183 void lance_copytobuf_gap2 __P((struct lance_softc *, void *, int, int)); 184 void lance_copyfrombuf_gap2 __P((struct lance_softc *, void *, int, int)); 185 void lance_zerobuf_gap2 __P((struct lance_softc *, int, int)); 186 187 void lance_copytobuf_gap16 __P((struct lance_softc *, void *, int, int)); 188 void lance_copyfrombuf_gap16 __P((struct lance_softc *, void *, int, int)); 189 void lance_zerobuf_gap16 __P((struct lance_softc *, int, int)); 190 #endif /* Example only */ 191
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