| 1 | /* $NetBSD: lancevar.h,v 1.16 2015/04/13 16:33:24 riastradh 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 | * |
| 20 | * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS |
| 21 | * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED |
| 22 | * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
| 23 | * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS |
| 24 | * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
| 25 | * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
| 26 | * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
| 27 | * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
| 28 | * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
| 29 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
| 30 | * POSSIBILITY OF SUCH DAMAGE. |
| 31 | */ |
| 32 | |
| 33 | #include <sys/rndsource.h> |
| 34 | |
| 35 | struct lance_softc { |
| 36 | device_t sc_dev; /* base device glue */ |
| 37 | struct ethercom sc_ethercom; /* Ethernet common part */ |
| 38 | struct ifmedia sc_media; /* our supported media */ |
| 39 | |
| 40 | /* |
| 41 | * Memory functions: |
| 42 | * |
| 43 | * copy to/from descriptor |
| 44 | * copy to/from buffer |
| 45 | * zero bytes in buffer |
| 46 | */ |
| 47 | void (*sc_copytodesc) |
| 48 | (struct lance_softc *, void *, int, int); |
| 49 | void (*sc_copyfromdesc) |
| 50 | (struct lance_softc *, void *, int, int); |
| 51 | void (*sc_copytobuf) |
| 52 | (struct lance_softc *, void *, int, int); |
| 53 | void (*sc_copyfrombuf) |
| 54 | (struct lance_softc *, void *, int, int); |
| 55 | void (*sc_zerobuf) |
| 56 | (struct lance_softc *, int, int); |
| 57 | |
| 58 | /* |
| 59 | * Machine-dependent functions: |
| 60 | * |
| 61 | * read/write CSR |
| 62 | * hardware reset hook - may be NULL |
| 63 | * hardware init hook - may be NULL |
| 64 | * no carrier hook - may be NULL |
| 65 | * media change hook - may be NULL |
| 66 | */ |
| 67 | uint16_t (*sc_rdcsr) |
| 68 | (struct lance_softc *, uint16_t); |
| 69 | void (*sc_wrcsr) |
| 70 | (struct lance_softc *, uint16_t, uint16_t); |
| 71 | void (*sc_hwreset)(struct lance_softc *); |
| 72 | void (*sc_hwinit)(struct lance_softc *); |
| 73 | void (*sc_nocarrier)(struct lance_softc *); |
| 74 | int (*sc_mediachange)(struct lance_softc *); |
| 75 | void (*sc_mediastatus)(struct lance_softc *, struct ifmediareq *); |
| 76 | |
| 77 | /* |
| 78 | * Media-supported by this interface. If this is NULL, |
| 79 | * the only supported media is assumed to be "manual". |
| 80 | */ |
| 81 | const int *sc_supmedia; |
| 82 | int sc_nsupmedia; |
| 83 | int sc_defaultmedia; |
| 84 | |
| 85 | /* PCnet bit to use software selection of a port */ |
| 86 | int sc_initmodemedia; |
| 87 | |
| 88 | int sc_havecarrier; /* carrier status */ |
| 89 | |
| 90 | uint16_t sc_conf3; /* CSR3 value */ |
| 91 | uint16_t sc_saved_csr0;/* Value of csr0 at time of interrupt */ |
| 92 | |
| 93 | void *sc_mem; /* base address of RAM -- CPU's view */ |
| 94 | u_long sc_addr; /* base address of RAM -- LANCE's view */ |
| 95 | |
| 96 | u_long sc_memsize; /* size of RAM */ |
| 97 | |
| 98 | int sc_nrbuf; /* number of receive buffers */ |
| 99 | int sc_ntbuf; /* number of transmit buffers */ |
| 100 | int sc_last_rd; |
| 101 | int sc_first_td, sc_last_td, sc_no_td; |
| 102 | |
| 103 | int sc_initaddr; |
| 104 | int sc_rmdaddr; |
| 105 | int sc_tmdaddr; |
| 106 | int *sc_rbufaddr; |
| 107 | int *sc_tbufaddr; |
| 108 | |
| 109 | #ifdef LEDEBUG |
| 110 | int sc_debug; |
| 111 | #endif |
| 112 | uint8_t sc_enaddr[ETHER_ADDR_LEN]; |
| 113 | uint8_t sc_pad[2]; |
| 114 | krndsource_t rnd_source; |
| 115 | |
| 116 | void (*sc_meminit)(struct lance_softc *); |
| 117 | void (*sc_start)(struct ifnet *); |
| 118 | }; |
| 119 | |
| 120 | void lance_config(struct lance_softc *); |
| 121 | void lance_reset(struct lance_softc *); |
| 122 | int lance_init(struct ifnet *); |
| 123 | int lance_put(struct lance_softc *, int, struct mbuf *); |
| 124 | void lance_read(struct lance_softc *, int, int); |
| 125 | void lance_setladrf(struct ethercom *, uint16_t *); |
| 126 | |
| 127 | /* |
| 128 | * The following functions are only useful on certain CPU/bus |
| 129 | * combinations. They should be written in assembly language for |
| 130 | * maximum efficiency, but machine-independent versions are provided |
| 131 | * for drivers that have not yet been optimized. |
| 132 | */ |
| 133 | void lance_copytobuf_contig(struct lance_softc *, void *, int, int); |
| 134 | void lance_copyfrombuf_contig(struct lance_softc *, void *, int, int); |
| 135 | void lance_zerobuf_contig(struct lance_softc *, int, int); |
| 136 | |
| 137 | #if 0 /* Example only - see lance.c */ |
| 138 | void lance_copytobuf_gap2(struct lance_softc *, void *, int, int); |
| 139 | void lance_copyfrombuf_gap2(struct lance_softc *, void *, int, int); |
| 140 | void lance_zerobuf_gap2(struct lance_softc *, int, int); |
| 141 | |
| 142 | void lance_copytobuf_gap16(struct lance_softc *, void *, int, int); |
| 143 | void lance_copyfrombuf_gap16(struct lance_softc *, void *, int, int); |
| 144 | void lance_zerobuf_gap16(struct lance_softc *, int, int); |
| 145 | #endif /* Example only */ |
| 146 | |