am7990var.h revision 1.15
1 /* $NetBSD: am7990var.h,v 1.15 1997/10/10 01:13:02 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 #ifdef DDB 70 #define integrate 71 #define hide 72 #else 73 #define integrate static __inline 74 #define hide static 75 #endif 76 77 #include <sys/rnd.h> 78 79 /* 80 * Ethernet software status per device. 81 * 82 * Each interface is referenced by a network interface structure, 83 * ethercom.ec_if, which the routing code uses to locate the interface. 84 * This structure contains the output queue for the interface, its address, ... 85 * 86 * NOTE: this structure MUST be the first element in machine-dependent 87 * le_softc structures! This is designed SPECIFICALLY to make it possible 88 * to simply cast a "void *" to "struct le_softc *" or to 89 * "struct am7990_softc *". Among other things, this saves a lot of hair 90 * in the interrupt handlers. 91 */ 92 struct am7990_softc { 93 struct device sc_dev; /* base device glue */ 94 struct ethercom sc_ethercom; /* Ethernet common part */ 95 struct ifmedia sc_media; /* our supported media */ 96 97 /* 98 * Memory functions: 99 * 100 * copy to/from descriptor 101 * copy to/from buffer 102 * zero bytes in buffer 103 */ 104 void (*sc_copytodesc) 105 __P((struct am7990_softc *, void *, int, int)); 106 void (*sc_copyfromdesc) 107 __P((struct am7990_softc *, void *, int, int)); 108 void (*sc_copytobuf) 109 __P((struct am7990_softc *, void *, int, int)); 110 void (*sc_copyfrombuf) 111 __P((struct am7990_softc *, void *, int, int)); 112 void (*sc_zerobuf) 113 __P((struct am7990_softc *, int, int)); 114 115 /* 116 * Machine-dependent functions: 117 * 118 * read/write CSR 119 * hardware reset hook - may be NULL 120 * hardware init hook - may be NULL 121 * no carrier hook - may be NULL 122 * media change hook - may be NULL 123 */ 124 u_int16_t (*sc_rdcsr) 125 __P((struct am7990_softc *, u_int16_t)); 126 void (*sc_wrcsr) 127 __P((struct am7990_softc *, u_int16_t, u_int16_t)); 128 void (*sc_hwreset) __P((struct am7990_softc *)); 129 void (*sc_hwinit) __P((struct am7990_softc *)); 130 void (*sc_nocarrier) __P((struct am7990_softc *)); 131 int (*sc_mediachange) __P((struct am7990_softc *)); 132 void (*sc_mediastatus) __P((struct am7990_softc *, 133 struct ifmediareq *)); 134 135 /* 136 * Media-supported by this interface. If this is NULL, 137 * the only supported media is assumed to be "manual". 138 */ 139 int *sc_supmedia; 140 int sc_nsupmedia; 141 int sc_defaultmedia; 142 143 /* PCnet bit to use software selection of a port */ 144 int sc_initmodemedia; 145 146 int sc_havecarrier; /* carrier status */ 147 148 void *sc_sh; /* shutdownhook cookie */ 149 150 u_int16_t sc_conf3; /* CSR3 value */ 151 u_int16_t sc_saved_csr0;/* Value of csr0 at time of interrupt */ 152 153 void *sc_mem; /* base address of RAM -- CPU's view */ 154 u_long sc_addr; /* base address of RAM -- LANCE's view */ 155 156 u_long sc_memsize; /* size of RAM */ 157 158 int sc_nrbuf; /* number of receive buffers */ 159 int sc_ntbuf; /* number of transmit buffers */ 160 int sc_last_rd; 161 int sc_first_td, sc_last_td, sc_no_td; 162 163 int sc_initaddr; 164 int sc_rmdaddr; 165 int sc_tmdaddr; 166 int *sc_rbufaddr; 167 int *sc_tbufaddr; 168 169 #ifdef LEDEBUG 170 int sc_debug; 171 #endif 172 u_int8_t sc_enaddr[6]; 173 u_int8_t sc_pad[2]; 174 rndsource_element_t rnd_source; 175 }; 176 177 /* Export this to machine-dependent drivers. */ 178 extern struct cfdriver le_cd; 179 180 void am7990_config __P((struct am7990_softc *)); 181 void am7990_init __P((struct am7990_softc *)); 182 int am7990_ioctl __P((struct ifnet *, u_long, caddr_t)); 183 void am7990_meminit __P((struct am7990_softc *)); 184 void am7990_reset __P((struct am7990_softc *)); 185 void am7990_setladrf __P((struct ethercom *, u_int16_t *)); 186 void am7990_start __P((struct ifnet *)); 187 void am7990_stop __P((struct am7990_softc *)); 188 void am7990_watchdog __P((struct ifnet *)); 189 int am7990_intr __P((void *)); 190 191 /* 192 * The following functions are only useful on certain cpu/bus 193 * combinations. They should be written in assembly language for 194 * maximum efficiency, but machine-independent versions are provided 195 * for drivers that have not yet been optimized. 196 */ 197 void am7990_copytobuf_contig __P((struct am7990_softc *, void *, int, int)); 198 void am7990_copyfrombuf_contig __P((struct am7990_softc *, void *, int, int)); 199 void am7990_zerobuf_contig __P((struct am7990_softc *, int, int)); 200 201 #if 0 /* Example only - see am7990.c */ 202 void am7990_copytobuf_gap2 __P((struct am7990_softc *, void *, int, int)); 203 void am7990_copyfrombuf_gap2 __P((struct am7990_softc *, void *, int, int)); 204 void am7990_zerobuf_gap2 __P((struct am7990_softc *, int, int)); 205 206 void am7990_copytobuf_gap16 __P((struct am7990_softc *, void *, int, int)); 207 void am7990_copyfrombuf_gap16 __P((struct am7990_softc *, void *, int, int)); 208 void am7990_zerobuf_gap16 __P((struct am7990_softc *, int, int)); 209 #endif /* Example only */ 210
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