FreeBSD/Linux Kernel Cross Reference
sys/dev/ic/lancevar.h
1 /* $NetBSD: lancevar.h,v 1.9 2005/02/27 00:27:01 perry 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 (struct lance_softc *, void *, int, int);
60 void (*sc_copyfromdesc)
61 (struct lance_softc *, void *, int, int);
62 void (*sc_copytobuf)
63 (struct lance_softc *, void *, int, int);
64 void (*sc_copyfrombuf)
65 (struct lance_softc *, void *, int, int);
66 void (*sc_zerobuf)
67 (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 (struct lance_softc *, u_int16_t);
80 void (*sc_wrcsr)
81 (struct lance_softc *, u_int16_t, u_int16_t);
82 void (*sc_hwreset)(struct lance_softc *);
83 void (*sc_hwinit)(struct lance_softc *);
84 void (*sc_nocarrier)(struct lance_softc *);
85 int (*sc_mediachange)(struct lance_softc *);
86 void (*sc_mediastatus)(struct lance_softc *, struct ifmediareq *);
87
88 /*
89 * Media-supported by this interface. If this is NULL,
90 * the only supported media is assumed to be "manual".
91 */
92 const int *sc_supmedia;
93 int sc_nsupmedia;
94 int sc_defaultmedia;
95
96 /* PCnet bit to use software selection of a port */
97 int sc_initmodemedia;
98
99 int sc_havecarrier; /* carrier status */
100
101 void *sc_sh; /* shutdownhook cookie */
102
103 u_int16_t sc_conf3; /* CSR3 value */
104 u_int16_t sc_saved_csr0;/* Value of csr0 at time of interrupt */
105
106 void *sc_mem; /* base address of RAM -- CPU's view */
107 u_long sc_addr; /* base address of RAM -- LANCE's view */
108
109 u_long sc_memsize; /* size of RAM */
110
111 int sc_nrbuf; /* number of receive buffers */
112 int sc_ntbuf; /* number of transmit buffers */
113 int sc_last_rd;
114 int sc_first_td, sc_last_td, sc_no_td;
115
116 int sc_initaddr;
117 int sc_rmdaddr;
118 int sc_tmdaddr;
119 int *sc_rbufaddr;
120 int *sc_tbufaddr;
121
122 #ifdef LEDEBUG
123 int sc_debug;
124 #endif
125 u_int8_t sc_enaddr[ETHER_ADDR_LEN];
126 u_int8_t sc_pad[2];
127 #if NRND > 0
128 rndsource_element_t rnd_source;
129 #endif
130
131 void (*sc_meminit)(struct lance_softc *);
132 void (*sc_start)(struct ifnet *);
133 };
134
135 void lance_config(struct lance_softc *);
136 void lance_reset(struct lance_softc *);
137 int lance_init(struct ifnet *);
138 int lance_put(struct lance_softc *, int, struct mbuf *);
139 void lance_read(struct lance_softc *, int, int);
140 void lance_setladrf(struct ethercom *, u_int16_t *);
141
142 /*
143 * The following functions are only useful on certain CPU/bus
144 * combinations. They should be written in assembly language for
145 * maximum efficiency, but machine-independent versions are provided
146 * for drivers that have not yet been optimized.
147 */
148 void lance_copytobuf_contig(struct lance_softc *, void *, int, int);
149 void lance_copyfrombuf_contig(struct lance_softc *, void *, int, int);
150 void lance_zerobuf_contig(struct lance_softc *, int, int);
151
152 #if 0 /* Example only - see lance.c */
153 void lance_copytobuf_gap2(struct lance_softc *, void *, int, int);
154 void lance_copyfrombuf_gap2(struct lance_softc *, void *, int, int);
155 void lance_zerobuf_gap2(struct lance_softc *, int, int);
156
157 void lance_copytobuf_gap16(struct lance_softc *, void *, int, int);
158 void lance_copyfrombuf_gap16(struct lance_softc *, void *, int, int);
159 void lance_zerobuf_gap16(struct lance_softc *, int, int);
160 #endif /* Example only */
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