am7990var.h revision 1.19
1 /* $NetBSD: am7990var.h,v 1.19 1998/07/04 22:18:49 jonathan 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 #if defined(_KERNEL) && !defined(_LKM) 76 #include "opt_ddb.h" 77 #endif 78 79 #ifdef DDB 80 #define integrate 81 #define hide 82 #else 83 #define integrate static __inline 84 #define hide static 85 #endif 86 87 /* 88 * Ethernet software status per device. 89 * 90 * Each interface is referenced by a network interface structure, 91 * ethercom.ec_if, which the routing code uses to locate the interface. 92 * This structure contains the output queue for the interface, its address, ... 93 * 94 * NOTE: this structure MUST be the first element in machine-dependent 95 * le_softc structures! This is designed SPECIFICALLY to make it possible 96 * to simply cast a "void *" to "struct le_softc *" or to 97 * "struct am7990_softc *". Among other things, this saves a lot of hair 98 * in the interrupt handlers. 99 */ 100 struct am7990_softc { 101 struct device sc_dev; /* base device glue */ 102 struct ethercom sc_ethercom; /* Ethernet common part */ 103 struct ifmedia sc_media; /* our supported media */ 104 105 /* 106 * Memory functions: 107 * 108 * copy to/from descriptor 109 * copy to/from buffer 110 * zero bytes in buffer 111 */ 112 void (*sc_copytodesc) 113 __P((struct am7990_softc *, void *, int, int)); 114 void (*sc_copyfromdesc) 115 __P((struct am7990_softc *, void *, int, int)); 116 void (*sc_copytobuf) 117 __P((struct am7990_softc *, void *, int, int)); 118 void (*sc_copyfrombuf) 119 __P((struct am7990_softc *, void *, int, int)); 120 void (*sc_zerobuf) 121 __P((struct am7990_softc *, int, int)); 122 123 /* 124 * Machine-dependent functions: 125 * 126 * read/write CSR 127 * hardware reset hook - may be NULL 128 * hardware init hook - may be NULL 129 * no carrier hook - may be NULL 130 * media change hook - may be NULL 131 */ 132 u_int16_t (*sc_rdcsr) 133 __P((struct am7990_softc *, u_int16_t)); 134 void (*sc_wrcsr) 135 __P((struct am7990_softc *, u_int16_t, u_int16_t)); 136 void (*sc_hwreset) __P((struct am7990_softc *)); 137 void (*sc_hwinit) __P((struct am7990_softc *)); 138 void (*sc_nocarrier) __P((struct am7990_softc *)); 139 int (*sc_mediachange) __P((struct am7990_softc *)); 140 void (*sc_mediastatus) __P((struct am7990_softc *, 141 struct ifmediareq *)); 142 143 /* 144 * Media-supported by this interface. If this is NULL, 145 * the only supported media is assumed to be "manual". 146 */ 147 int *sc_supmedia; 148 int sc_nsupmedia; 149 int sc_defaultmedia; 150 151 /* PCnet bit to use software selection of a port */ 152 int sc_initmodemedia; 153 154 int sc_havecarrier; /* carrier status */ 155 156 void *sc_sh; /* shutdownhook cookie */ 157 158 u_int16_t sc_conf3; /* CSR3 value */ 159 u_int16_t sc_saved_csr0;/* Value of csr0 at time of interrupt */ 160 161 void *sc_mem; /* base address of RAM -- CPU's view */ 162 u_long sc_addr; /* base address of RAM -- LANCE's view */ 163 164 u_long sc_memsize; /* size of RAM */ 165 166 int sc_nrbuf; /* number of receive buffers */ 167 int sc_ntbuf; /* number of transmit buffers */ 168 int sc_last_rd; 169 int sc_first_td, sc_last_td, sc_no_td; 170 171 int sc_initaddr; 172 int sc_rmdaddr; 173 int sc_tmdaddr; 174 int *sc_rbufaddr; 175 int *sc_tbufaddr; 176 177 #ifdef LEDEBUG 178 int sc_debug; 179 #endif 180 u_int8_t sc_enaddr[6]; 181 u_int8_t sc_pad[2]; 182 #if NRND > 0 183 rndsource_element_t rnd_source; 184 #endif 185 }; 186 187 void am7990_config __P((struct am7990_softc *)); 188 void am7990_init __P((struct am7990_softc *)); 189 int am7990_ioctl __P((struct ifnet *, u_long, caddr_t)); 190 void am7990_meminit __P((struct am7990_softc *)); 191 void am7990_reset __P((struct am7990_softc *)); 192 void am7990_setladrf __P((struct ethercom *, u_int16_t *)); 193 void am7990_start __P((struct ifnet *)); 194 void am7990_stop __P((struct am7990_softc *)); 195 void am7990_watchdog __P((struct ifnet *)); 196 int am7990_intr __P((void *)); 197 198 /* 199 * The following functions are only useful on certain cpu/bus 200 * combinations. They should be written in assembly language for 201 * maximum efficiency, but machine-independent versions are provided 202 * for drivers that have not yet been optimized. 203 */ 204 void am7990_copytobuf_contig __P((struct am7990_softc *, void *, int, int)); 205 void am7990_copyfrombuf_contig __P((struct am7990_softc *, void *, int, int)); 206 void am7990_zerobuf_contig __P((struct am7990_softc *, int, int)); 207 208 #if 0 /* Example only - see am7990.c */ 209 void am7990_copytobuf_gap2 __P((struct am7990_softc *, void *, int, int)); 210 void am7990_copyfrombuf_gap2 __P((struct am7990_softc *, void *, int, int)); 211 void am7990_zerobuf_gap2 __P((struct am7990_softc *, int, int)); 212 213 void am7990_copytobuf_gap16 __P((struct am7990_softc *, void *, int, int)); 214 void am7990_copyfrombuf_gap16 __P((struct am7990_softc *, void *, int, int)); 215 void am7990_zerobuf_gap16 __P((struct am7990_softc *, int, int)); 216 #endif /* Example only */ 217
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