am7990var.h revision 1.16
1 /* $NetBSD: am7990var.h,v 1.16 1997/10/13 00:47:24 explorer 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 #ifdef DDB 72 #define integrate 73 #define hide 74 #else 75 #define integrate static __inline 76 #define hide static 77 #endif 78 79 #if NRND > 0 80 #include <sys/rnd.h> 81 #endif 82 83 /* 84 * Ethernet software status per device. 85 * 86 * Each interface is referenced by a network interface structure, 87 * ethercom.ec_if, which the routing code uses to locate the interface. 88 * This structure contains the output queue for the interface, its address, ... 89 * 90 * NOTE: this structure MUST be the first element in machine-dependent 91 * le_softc structures! This is designed SPECIFICALLY to make it possible 92 * to simply cast a "void *" to "struct le_softc *" or to 93 * "struct am7990_softc *". Among other things, this saves a lot of hair 94 * in the interrupt handlers. 95 */ 96 struct am7990_softc { 97 struct device sc_dev; /* base device glue */ 98 struct ethercom sc_ethercom; /* Ethernet common part */ 99 struct ifmedia sc_media; /* our supported media */ 100 101 /* 102 * Memory functions: 103 * 104 * copy to/from descriptor 105 * copy to/from buffer 106 * zero bytes in buffer 107 */ 108 void (*sc_copytodesc) 109 __P((struct am7990_softc *, void *, int, int)); 110 void (*sc_copyfromdesc) 111 __P((struct am7990_softc *, void *, int, int)); 112 void (*sc_copytobuf) 113 __P((struct am7990_softc *, void *, int, int)); 114 void (*sc_copyfrombuf) 115 __P((struct am7990_softc *, void *, int, int)); 116 void (*sc_zerobuf) 117 __P((struct am7990_softc *, int, int)); 118 119 /* 120 * Machine-dependent functions: 121 * 122 * read/write CSR 123 * hardware reset hook - may be NULL 124 * hardware init hook - may be NULL 125 * no carrier hook - may be NULL 126 * media change hook - may be NULL 127 */ 128 u_int16_t (*sc_rdcsr) 129 __P((struct am7990_softc *, u_int16_t)); 130 void (*sc_wrcsr) 131 __P((struct am7990_softc *, u_int16_t, u_int16_t)); 132 void (*sc_hwreset) __P((struct am7990_softc *)); 133 void (*sc_hwinit) __P((struct am7990_softc *)); 134 void (*sc_nocarrier) __P((struct am7990_softc *)); 135 int (*sc_mediachange) __P((struct am7990_softc *)); 136 void (*sc_mediastatus) __P((struct am7990_softc *, 137 struct ifmediareq *)); 138 139 /* 140 * Media-supported by this interface. If this is NULL, 141 * the only supported media is assumed to be "manual". 142 */ 143 int *sc_supmedia; 144 int sc_nsupmedia; 145 int sc_defaultmedia; 146 147 /* PCnet bit to use software selection of a port */ 148 int sc_initmodemedia; 149 150 int sc_havecarrier; /* carrier status */ 151 152 void *sc_sh; /* shutdownhook cookie */ 153 154 u_int16_t sc_conf3; /* CSR3 value */ 155 u_int16_t sc_saved_csr0;/* Value of csr0 at time of interrupt */ 156 157 void *sc_mem; /* base address of RAM -- CPU's view */ 158 u_long sc_addr; /* base address of RAM -- LANCE's view */ 159 160 u_long sc_memsize; /* size of RAM */ 161 162 int sc_nrbuf; /* number of receive buffers */ 163 int sc_ntbuf; /* number of transmit buffers */ 164 int sc_last_rd; 165 int sc_first_td, sc_last_td, sc_no_td; 166 167 int sc_initaddr; 168 int sc_rmdaddr; 169 int sc_tmdaddr; 170 int *sc_rbufaddr; 171 int *sc_tbufaddr; 172 173 #ifdef LEDEBUG 174 int sc_debug; 175 #endif 176 u_int8_t sc_enaddr[6]; 177 u_int8_t sc_pad[2]; 178 #if NRND > 0 179 rndsource_element_t rnd_source; 180 #endif 181 }; 182 183 /* Export this to machine-dependent drivers. */ 184 extern struct cfdriver le_cd; 185 186 void am7990_config __P((struct am7990_softc *)); 187 void am7990_init __P((struct am7990_softc *)); 188 int am7990_ioctl __P((struct ifnet *, u_long, caddr_t)); 189 void am7990_meminit __P((struct am7990_softc *)); 190 void am7990_reset __P((struct am7990_softc *)); 191 void am7990_setladrf __P((struct ethercom *, u_int16_t *)); 192 void am7990_start __P((struct ifnet *)); 193 void am7990_stop __P((struct am7990_softc *)); 194 void am7990_watchdog __P((struct ifnet *)); 195 int am7990_intr __P((void *)); 196 197 /* 198 * The following functions are only useful on certain cpu/bus 199 * combinations. They should be written in assembly language for 200 * maximum efficiency, but machine-independent versions are provided 201 * for drivers that have not yet been optimized. 202 */ 203 void am7990_copytobuf_contig __P((struct am7990_softc *, void *, int, int)); 204 void am7990_copyfrombuf_contig __P((struct am7990_softc *, void *, int, int)); 205 void am7990_zerobuf_contig __P((struct am7990_softc *, int, int)); 206 207 #if 0 /* Example only - see am7990.c */ 208 void am7990_copytobuf_gap2 __P((struct am7990_softc *, void *, int, int)); 209 void am7990_copyfrombuf_gap2 __P((struct am7990_softc *, void *, int, int)); 210 void am7990_zerobuf_gap2 __P((struct am7990_softc *, int, int)); 211 212 void am7990_copytobuf_gap16 __P((struct am7990_softc *, void *, int, int)); 213 void am7990_copyfrombuf_gap16 __P((struct am7990_softc *, void *, int, int)); 214 void am7990_zerobuf_gap16 __P((struct am7990_softc *, int, int)); 215 #endif /* Example only */ 216
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