FreeBSD/Linux Kernel Cross Reference
sys/dev/ic/lancevar.h
1 /* $NetBSD: lancevar.h,v 1.7 2004/02/13 11:36:22 wiz 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 * 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 #include "rnd.h"
41
42 #if NRND > 0
43 #include <sys/rnd.h>
44 #endif
45
46 struct lance_softc {
47 struct device sc_dev; /* base device glue */
48 struct ethercom sc_ethercom; /* Ethernet common part */
49 struct ifmedia sc_media; /* our supported media */
50
51 /*
52 * Memory functions:
53 *
54 * copy to/from descriptor
55 * copy to/from buffer
56 * zero bytes in buffer
57 */
58 void (*sc_copytodesc)
59 __P((struct lance_softc *, void *, int, int));
60 void (*sc_copyfromdesc)
61 __P((struct lance_softc *, void *, int, int));
62 void (*sc_copytobuf)
63 __P((struct lance_softc *, void *, int, int));
64 void (*sc_copyfrombuf)
65 __P((struct lance_softc *, void *, int, int));
66 void (*sc_zerobuf)
67 __P((struct lance_softc *, int, int));
68
69 /*
70 * Machine-dependent functions:
71 *
72 * read/write CSR
73 * hardware reset hook - may be NULL
74 * hardware init hook - may be NULL
75 * no carrier hook - may be NULL
76 * media change hook - may be NULL
77 */
78 u_int16_t (*sc_rdcsr)
79 __P((struct lance_softc *, u_int16_t));
80 void (*sc_wrcsr)
81 __P((struct lance_softc *, u_int16_t, u_int16_t));
82 void (*sc_hwreset) __P((struct lance_softc *));
83 void (*sc_hwinit) __P((struct lance_softc *));
84 void (*sc_nocarrier) __P((struct lance_softc *));
85 int (*sc_mediachange) __P((struct lance_softc *));
86 void (*sc_mediastatus) __P((struct lance_softc *,
87 struct ifmediareq *));
88
89 /*
90 * Media-supported by this interface. If this is NULL,
91 * the only supported media is assumed to be "manual".
92 */
93 const int *sc_supmedia;
94 int sc_nsupmedia;
95 int sc_defaultmedia;
96
97 /* PCnet bit to use software selection of a port */
98 int sc_initmodemedia;
99
100 int sc_havecarrier; /* carrier status */
101
102 void *sc_sh; /* shutdownhook cookie */
103
104 u_int16_t sc_conf3; /* CSR3 value */
105 u_int16_t sc_saved_csr0;/* Value of csr0 at time of interrupt */
106
107 void *sc_mem; /* base address of RAM -- CPU's view */
108 u_long sc_addr; /* base address of RAM -- LANCE's view */
109
110 u_long sc_memsize; /* size of RAM */
111
112 int sc_nrbuf; /* number of receive buffers */
113 int sc_ntbuf; /* number of transmit buffers */
114 int sc_last_rd;
115 int sc_first_td, sc_last_td, sc_no_td;
116
117 int sc_initaddr;
118 int sc_rmdaddr;
119 int sc_tmdaddr;
120 int *sc_rbufaddr;
121 int *sc_tbufaddr;
122
123 #ifdef LEDEBUG
124 int sc_debug;
125 #endif
126 u_int8_t sc_enaddr[ETHER_ADDR_LEN];
127 u_int8_t sc_pad[2];
128 #if NRND > 0
129 rndsource_element_t rnd_source;
130 #endif
131
132 void (*sc_meminit) __P((struct lance_softc *));
133 void (*sc_start) __P((struct ifnet *));
134 };
135
136 void lance_config __P((struct lance_softc *));
137 void lance_reset __P((struct lance_softc *));
138 int lance_init __P((struct ifnet *));
139 int lance_put __P((struct lance_softc *, int, struct mbuf *));
140 void lance_read __P((struct lance_softc *, int, int));
141 void lance_setladrf __P((struct ethercom *, u_int16_t *));
142
143 /*
144 * The following functions are only useful on certain CPU/bus
145 * combinations. They should be written in assembly language for
146 * maximum efficiency, but machine-independent versions are provided
147 * for drivers that have not yet been optimized.
148 */
149 void lance_copytobuf_contig __P((struct lance_softc *, void *, int, int));
150 void lance_copyfrombuf_contig __P((struct lance_softc *, void *, int, int));
151 void lance_zerobuf_contig __P((struct lance_softc *, int, int));
152
153 #if 0 /* Example only - see lance.c */
154 void lance_copytobuf_gap2 __P((struct lance_softc *, void *, int, int));
155 void lance_copyfrombuf_gap2 __P((struct lance_softc *, void *, int, int));
156 void lance_zerobuf_gap2 __P((struct lance_softc *, int, int));
157
158 void lance_copytobuf_gap16 __P((struct lance_softc *, void *, int, int));
159 void lance_copyfrombuf_gap16 __P((struct lance_softc *, void *, int, int));
160 void lance_zerobuf_gap16 __P((struct lance_softc *, int, int));
161 #endif /* Example only */
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