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1/* $OpenBSD: lancevar.h,v 1.3 2015/09/11 13:02:28 stsp Exp $ */
2/* $NetBSD: lancevar.h,v 1.15 2012/02/02 19:43:03 tls Exp $ */
3
4/*-
5 * Copyright (c) 1997, 1998 The NetBSD Foundation, Inc.
6 * All rights reserved.
7 *
8 * This code is derived from software contributed to The NetBSD Foundation
9 * by Charles M. Hannum and by Jason R. Thorpe of the Numerical Aerospace
10 * Simulation Facility, NASA Ames Research Center.
11 *
12 * Redistribution and use in source and binary forms, with or without
13 * modification, are permitted provided that the following conditions
14 * are met:
15 * 1. Redistributions of source code must retain the above copyright
16 * notice, this list of conditions and the following disclaimer.
17 * 2. Redistributions in binary form must reproduce the above copyright
18 * notice, this list of conditions and the following disclaimer in the
19 * documentation and/or other materials provided with the distribution.
20 *
21 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
22 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
23 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
24 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
25 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
26 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
27 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
28 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
29 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
30 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
31 * POSSIBILITY OF SUCH DAMAGE.
32 */
33
34struct lance_softc {
35 struct device sc_dev; /* base device glue */
36 struct arpcom sc_arpcom; /* Ethernet common part */
37 struct ifmedia sc_ifmedia; /* our supported media */
38
39 /*
40 * Memory functions:
41 *
42 * copy to/from descriptor
43 * copy to/from buffer
44 * zero bytes in buffer
45 */
46 void (*sc_copytodesc)(struct lance_softc *, void *, int, int);
47 void (*sc_copyfromdesc)(struct lance_softc *, void *, int, int);
48 void (*sc_copytobuf)(struct lance_softc *, void *, int, int);
49 void (*sc_copyfrombuf)(struct lance_softc *, void *, int, int);
50 void (*sc_zerobuf)(struct lance_softc *, int, int);
51
52 /*
53 * Machine-dependent functions:
54 *
55 * read/write CSR
56 * hardware reset hook - may be NULL
57 * hardware init hook - may be NULL
58 * no carrier hook - may be NULL
59 * media change hook - may be NULL
60 */
61 uint16_t (*sc_rdcsr)(struct lance_softc *, uint16_t);
62 void (*sc_wrcsr)(struct lance_softc *, uint16_t, uint16_t);
63 void (*sc_hwreset)(struct lance_softc *);
64 void (*sc_hwinit)(struct lance_softc *);
65 void (*sc_nocarrier)(struct lance_softc *);
66 int (*sc_mediachange)(struct lance_softc *);
67 void (*sc_mediastatus)(struct lance_softc *, struct ifmediareq *);
68
69 /*
70 * Media-supported by this interface. If this is NULL,
71 * the only supported media is assumed to be "manual".
72 */
73 const uint64_t *sc_supmedia;
74 int sc_nsupmedia;
75 uint64_t sc_defaultmedia;
76
77 /* PCnet bit to use software selection of a port */
78 int sc_initmodemedia;
79
80 int sc_havecarrier; /* carrier status */
81
82 uint16_t sc_conf3; /* CSR3 value */
83 uint16_t sc_saved_csr0;/* Value of csr0 at time of interrupt */
84
85 void *sc_mem; /* base address of RAM -- CPU's view */
86 u_long sc_addr; /* base address of RAM -- LANCE's view */
87
88 u_long sc_memsize; /* size of RAM */
89
90 int sc_nrbuf; /* number of receive buffers */
91 int sc_ntbuf; /* number of transmit buffers */
92 int sc_last_rd;
93 int sc_first_td, sc_last_td, sc_no_td;
94
95 int sc_initaddr;
96 int sc_rmdaddr;
97 int sc_tmdaddr;
98 int *sc_rbufaddr;
99 int *sc_tbufaddr;
100
101#ifdef LEDEBUG
102 int sc_debug;
103#endif
104 uint8_t sc_enaddr[ETHER_ADDR_LEN];
105
106 void (*sc_meminit)(struct lance_softc *);
107 void (*sc_start)(struct ifnet *);
108};
109
110extern struct cfdriver le_cd;
111
112void lance_config(struct lance_softc *);
113void lance_reset(struct lance_softc *);
114int lance_init(struct lance_softc *);
115int lance_put(struct lance_softc *, int, struct mbuf *);
116struct mbuf *lance_read(struct lance_softc *, int, int);
117void lance_setladrf(struct arpcom *, uint16_t *);
118
119/*
120 * The following functions are only useful on certain CPU/bus
121 * combinations. They should be written in assembly language for
122 * maximum efficiency, but machine-independent versions are provided
123 * for drivers that have not yet been optimized.
124 */
125void lance_copytobuf_contig(struct lance_softc *, void *, int, int);
126void lance_copyfrombuf_contig(struct lance_softc *, void *, int, int);
127void lance_zerobuf_contig(struct lance_softc *, int, int);
128
129#if 0 /* Example only - see lance.c */
130void lance_copytobuf_gap2(struct lance_softc *, void *, int, int);
131void lance_copyfrombuf_gap2(struct lance_softc *, void *, int, int);
132void lance_zerobuf_gap2(struct lance_softc *, int, int);
133
134void lance_copytobuf_gap16(struct lance_softc *, void *, int, int);
135void lance_copyfrombuf_gap16(struct lance_softc *, void *, int, int);
136void lance_zerobuf_gap16(struct lance_softc *, int, int);
137#endif /* Example only */