lancevar.h revision 1.5
1 /* $NetBSD: lancevar.h,v 1.5 2003/06/29 14:42:58 jdolecek Exp $ */ 2 3 /*- 4 * Copyright (c) 1997, 1998 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by Charles M. Hannum and by Jason R. Thorpe of the Numerical Aerospace 9 * Simulation Facility, 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 #include "rnd.h" 41 42 #if NRND > 0 43 #include <sys/rnd.h> 44 #endif 45 46 struct lance_softc { 47 struct device sc_dev; /* base device glue */ 48 struct ethercom sc_ethercom; /* Ethernet common part */ 49 struct ifmedia sc_media; /* our supported media */ 50 51 /* 52 * Memory functions: 53 * 54 * copy to/from descriptor 55 * copy to/from buffer 56 * zero bytes in buffer 57 */ 58 void (*sc_copytodesc) 59 __P((struct lance_softc *, void *, int, int)); 60 void (*sc_copyfromdesc) 61 __P((struct lance_softc *, void *, int, int)); 62 void (*sc_copytobuf) 63 __P((struct lance_softc *, void *, int, int)); 64 void (*sc_copyfrombuf) 65 __P((struct lance_softc *, void *, int, int)); 66 void (*sc_zerobuf) 67 __P((struct lance_softc *, int, int)); 68 69 /* 70 * Machine-dependent functions: 71 * 72 * read/write CSR 73 * hardware reset hook - may be NULL 74 * hardware init hook - may be NULL 75 * no carrier hook - may be NULL 76 * media change hook - may be NULL 77 */ 78 u_int16_t (*sc_rdcsr) 79 __P((struct lance_softc *, u_int16_t)); 80 void (*sc_wrcsr) 81 __P((struct lance_softc *, u_int16_t, u_int16_t)); 82 void (*sc_hwreset) __P((struct lance_softc *)); 83 void (*sc_hwinit) __P((struct lance_softc *)); 84 void (*sc_nocarrier) __P((struct lance_softc *)); 85 int (*sc_mediachange) __P((struct lance_softc *)); 86 void (*sc_mediastatus) __P((struct lance_softc *, 87 struct ifmediareq *)); 88 89 /* 90 * Media-supported by this interface. If this is NULL, 91 * the only supported media is assumed to be "manual". 92 */ 93 const int *sc_supmedia; 94 int sc_nsupmedia; 95 int sc_defaultmedia; 96 97 /* PCnet bit to use software selection of a port */ 98 int sc_initmodemedia; 99 100 int sc_havecarrier; /* carrier status */ 101 102 void *sc_sh; /* shutdownhook cookie */ 103 104 u_int16_t sc_conf3; /* CSR3 value */ 105 u_int16_t sc_saved_csr0;/* Value of csr0 at time of interrupt */ 106 107 void *sc_mem; /* base address of RAM -- CPU's view */ 108 u_long sc_addr; /* base address of RAM -- LANCE's view */ 109 110 u_long sc_memsize; /* size of RAM */ 111 112 int sc_nrbuf; /* number of receive buffers */ 113 int sc_ntbuf; /* number of transmit buffers */ 114 int sc_last_rd; 115 int sc_first_td, sc_last_td, sc_no_td; 116 117 int sc_initaddr; 118 int sc_rmdaddr; 119 int sc_tmdaddr; 120 int *sc_rbufaddr; 121 int *sc_tbufaddr; 122 123 #ifdef LEDEBUG 124 int sc_debug; 125 #endif 126 u_int8_t sc_enaddr[ETHER_ADDR_LEN]; 127 u_int8_t sc_pad[2]; 128 #if NRND > 0 129 rndsource_element_t rnd_source; 130 #endif 131 132 void (*sc_meminit) __P((struct lance_softc *)); 133 void (*sc_start) __P((struct ifnet *)); 134 }; 135 136 void lance_config __P((struct lance_softc *)); 137 void lance_reset __P((struct lance_softc *)); 138 int lance_init __P((struct ifnet *)); 139 int lance_put __P((struct lance_softc *, int, struct mbuf *)); 140 void lance_read __P((struct lance_softc *, int, int)); 141 void lance_setladrf __P((struct ethercom *, u_int16_t *)); 142 143 /* 144 * The following functions are only useful on certain cpu/bus 145 * combinations. They should be written in assembly language for 146 * maximum efficiency, but machine-independent versions are provided 147 * for drivers that have not yet been optimized. 148 */ 149 void lance_copytobuf_contig __P((struct lance_softc *, void *, int, int)); 150 void lance_copyfrombuf_contig __P((struct lance_softc *, void *, int, int)); 151 void lance_zerobuf_contig __P((struct lance_softc *, int, int)); 152 153 #if 0 /* Example only - see lance.c */ 154 void lance_copytobuf_gap2 __P((struct lance_softc *, void *, int, int)); 155 void lance_copyfrombuf_gap2 __P((struct lance_softc *, void *, int, int)); 156 void lance_zerobuf_gap2 __P((struct lance_softc *, int, int)); 157 158 void lance_copytobuf_gap16 __P((struct lance_softc *, void *, int, int)); 159 void lance_copyfrombuf_gap16 __P((struct lance_softc *, void *, int, int)); 160 void lance_zerobuf_gap16 __P((struct lance_softc *, int, int)); 161 #endif /* Example only */ 162
Indexes created Wed Sep 24 05:09:52 GMT 2025