am7990var.h revision 1.13
1 /* $NetBSD: am7990var.h,v 1.13 1997/03/27 21:01:50 veego Exp $ */ 2 3 /* 4 * Copyright (c) 1997 Jason R. Thorpe. All rights reserved. 5 * Copyright (c) 1995 Charles M. Hannum. All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 3. All advertising materials mentioning features or use of this software 16 * must display the following acknowledgement: 17 * This product includes software developed by Charles M. Hannum. 18 * 4. The name of the author may not be used to endorse or promote products 19 * derived from this software without specific prior written permission. 20 * 21 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 22 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 23 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 24 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 25 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 26 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 27 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 28 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 29 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 30 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 31 */ 32 33 #ifdef DDB 34 #define integrate 35 #define hide 36 #else 37 #define integrate static __inline 38 #define hide static 39 #endif 40 41 /* 42 * Ethernet software status per device. 43 * 44 * Each interface is referenced by a network interface structure, 45 * ethercom.ec_if, which the routing code uses to locate the interface. 46 * This structure contains the output queue for the interface, its address, ... 47 * 48 * NOTE: this structure MUST be the first element in machine-dependent 49 * le_softc structures! This is designed SPECIFICALLY to make it possible 50 * to simply cast a "void *" to "struct le_softc *" or to 51 * "struct am7990_softc *". Among other things, this saves a lot of hair 52 * in the interrupt handlers. 53 */ 54 struct am7990_softc { 55 struct device sc_dev; /* base device glue */ 56 struct ethercom sc_ethercom; /* Ethernet common part */ 57 struct ifmedia sc_media; /* our supported media */ 58 59 /* 60 * Memory functions: 61 * 62 * copy to/from descriptor 63 * copy to/from buffer 64 * zero bytes in buffer 65 */ 66 void (*sc_copytodesc) 67 __P((struct am7990_softc *, void *, int, int)); 68 void (*sc_copyfromdesc) 69 __P((struct am7990_softc *, void *, int, int)); 70 void (*sc_copytobuf) 71 __P((struct am7990_softc *, void *, int, int)); 72 void (*sc_copyfrombuf) 73 __P((struct am7990_softc *, void *, int, int)); 74 void (*sc_zerobuf) 75 __P((struct am7990_softc *, int, int)); 76 77 /* 78 * Machine-dependent functions: 79 * 80 * read/write CSR 81 * hardware reset hook - may be NULL 82 * hardware init hook - may be NULL 83 * no carrier hook - may be NULL 84 * media change hook - may be NULL 85 */ 86 u_int16_t (*sc_rdcsr) 87 __P((struct am7990_softc *, u_int16_t)); 88 void (*sc_wrcsr) 89 __P((struct am7990_softc *, u_int16_t, u_int16_t)); 90 void (*sc_hwreset) __P((struct am7990_softc *)); 91 void (*sc_hwinit) __P((struct am7990_softc *)); 92 void (*sc_nocarrier) __P((struct am7990_softc *)); 93 int (*sc_mediachange) __P((struct am7990_softc *)); 94 void (*sc_mediastatus) __P((struct am7990_softc *, 95 struct ifmediareq *)); 96 97 /* 98 * Media-supported by this interface. If this is NULL, 99 * the only supported media is assumed to be "manual". 100 */ 101 int *sc_supmedia; 102 int sc_nsupmedia; 103 int sc_defaultmedia; 104 105 /* PCnet bit to use software selection of a port */ 106 int sc_initmodemedia; 107 108 int sc_havecarrier; /* carrier status */ 109 110 void *sc_sh; /* shutdownhook cookie */ 111 112 u_int16_t sc_conf3; /* CSR3 value */ 113 u_int16_t sc_saved_csr0;/* Value of csr0 at time of interrupt */ 114 115 void *sc_mem; /* base address of RAM -- CPU's view */ 116 u_long sc_addr; /* base address of RAM -- LANCE's view */ 117 118 u_long sc_memsize; /* size of RAM */ 119 120 int sc_nrbuf; /* number of receive buffers */ 121 int sc_ntbuf; /* number of transmit buffers */ 122 int sc_last_rd; 123 int sc_first_td, sc_last_td, sc_no_td; 124 125 int sc_initaddr; 126 int sc_rmdaddr; 127 int sc_tmdaddr; 128 int *sc_rbufaddr; 129 int *sc_tbufaddr; 130 131 #ifdef LEDEBUG 132 int sc_debug; 133 #endif 134 u_int8_t sc_enaddr[6]; 135 u_int8_t sc_pad[2]; 136 }; 137 138 /* Export this to machine-dependent drivers. */ 139 extern struct cfdriver le_cd; 140 141 void am7990_config __P((struct am7990_softc *)); 142 void am7990_init __P((struct am7990_softc *)); 143 int am7990_ioctl __P((struct ifnet *, u_long, caddr_t)); 144 void am7990_meminit __P((struct am7990_softc *)); 145 void am7990_reset __P((struct am7990_softc *)); 146 void am7990_setladrf __P((struct ethercom *, u_int16_t *)); 147 void am7990_start __P((struct ifnet *)); 148 void am7990_stop __P((struct am7990_softc *)); 149 void am7990_watchdog __P((struct ifnet *)); 150 int am7990_intr __P((void *)); 151 152 /* 153 * The following functions are only useful on certain cpu/bus 154 * combinations. They should be written in assembly language for 155 * maximum efficiency, but machine-independent versions are provided 156 * for drivers that have not yet been optimized. 157 */ 158 void am7990_copytobuf_contig __P((struct am7990_softc *, void *, int, int)); 159 void am7990_copyfrombuf_contig __P((struct am7990_softc *, void *, int, int)); 160 void am7990_zerobuf_contig __P((struct am7990_softc *, int, int)); 161 162 #if 0 /* Example only - see am7990.c */ 163 void am7990_copytobuf_gap2 __P((struct am7990_softc *, void *, int, int)); 164 void am7990_copyfrombuf_gap2 __P((struct am7990_softc *, void *, int, int)); 165 void am7990_zerobuf_gap2 __P((struct am7990_softc *, int, int)); 166 167 void am7990_copytobuf_gap16 __P((struct am7990_softc *, void *, int, int)); 168 void am7990_copyfrombuf_gap16 __P((struct am7990_softc *, void *, int, int)); 169 void am7990_zerobuf_gap16 __P((struct am7990_softc *, int, int)); 170 #endif /* Example only */ 171
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