am7990var.h revision 1.10 1 1.10 leo /* $NetBSD: am7990var.h,v 1.10 1997/03/09 21:12:42 leo Exp $ */
2 1.1 cgd
3 1.1 cgd /*
4 1.1 cgd * Copyright (c) 1995 Charles M. Hannum. All rights reserved.
5 1.1 cgd *
6 1.1 cgd * Redistribution and use in source and binary forms, with or without
7 1.1 cgd * modification, are permitted provided that the following conditions
8 1.1 cgd * are met:
9 1.1 cgd * 1. Redistributions of source code must retain the above copyright
10 1.1 cgd * notice, this list of conditions and the following disclaimer.
11 1.1 cgd * 2. Redistributions in binary form must reproduce the above copyright
12 1.1 cgd * notice, this list of conditions and the following disclaimer in the
13 1.1 cgd * documentation and/or other materials provided with the distribution.
14 1.1 cgd * 3. All advertising materials mentioning features or use of this software
15 1.1 cgd * must display the following acknowledgement:
16 1.1 cgd * This product includes software developed by Charles M. Hannum.
17 1.1 cgd * 4. The name of the author may not be used to endorse or promote products
18 1.1 cgd * derived from this software without specific prior written permission.
19 1.1 cgd *
20 1.1 cgd * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
21 1.1 cgd * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
22 1.1 cgd * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
23 1.1 cgd * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
24 1.1 cgd * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
25 1.1 cgd * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
26 1.1 cgd * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
27 1.1 cgd * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
28 1.1 cgd * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
29 1.1 cgd * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
30 1.1 cgd */
31 1.1 cgd
32 1.1 cgd #ifdef DDB
33 1.1 cgd #define integrate
34 1.7 thorpej #define hide
35 1.1 cgd #else
36 1.6 christos #define integrate static __inline
37 1.7 thorpej #define hide static
38 1.1 cgd #endif
39 1.1 cgd
40 1.7 thorpej /*
41 1.7 thorpej * Ethernet software status per device.
42 1.7 thorpej *
43 1.7 thorpej * Each interface is referenced by a network interface structure,
44 1.7 thorpej * arpcom.ac_if, which the routing code uses to locate the interface.
45 1.7 thorpej * This structure contains the output queue for the interface, its address, ...
46 1.7 thorpej *
47 1.7 thorpej * NOTE: this structure MUST be the first element in machine-dependent
48 1.7 thorpej * le_softc structures! This is designed SPECIFICALLY to make it possible
49 1.7 thorpej * to simply cast a "void *" to "struct le_softc *" or to
50 1.7 thorpej * "struct am7990_softc *". Among other things, this saves a lot of hair
51 1.7 thorpej * in the interrupt handlers.
52 1.7 thorpej */
53 1.7 thorpej struct am7990_softc {
54 1.7 thorpej struct device sc_dev; /* base device glue */
55 1.7 thorpej struct arpcom sc_arpcom; /* Ethernet common part */
56 1.7 thorpej
57 1.7 thorpej /*
58 1.7 thorpej * Memory functions:
59 1.7 thorpej *
60 1.7 thorpej * copy to/from descriptor
61 1.7 thorpej * copy to/from buffer
62 1.7 thorpej * zero bytes in buffer
63 1.7 thorpej */
64 1.7 thorpej void (*sc_copytodesc)
65 1.7 thorpej __P((struct am7990_softc *, void *, int, int));
66 1.7 thorpej void (*sc_copyfromdesc)
67 1.7 thorpej __P((struct am7990_softc *, void *, int, int));
68 1.7 thorpej void (*sc_copytobuf)
69 1.7 thorpej __P((struct am7990_softc *, void *, int, int));
70 1.7 thorpej void (*sc_copyfrombuf)
71 1.7 thorpej __P((struct am7990_softc *, void *, int, int));
72 1.7 thorpej void (*sc_zerobuf)
73 1.7 thorpej __P((struct am7990_softc *, int, int));
74 1.7 thorpej
75 1.7 thorpej /*
76 1.7 thorpej * Machine-dependent functions:
77 1.7 thorpej *
78 1.7 thorpej * read/write CSR
79 1.7 thorpej * hardware init hook - may be NULL
80 1.8 abrown * no carrier hook - may be NULL
81 1.7 thorpej */
82 1.7 thorpej u_int16_t (*sc_rdcsr)
83 1.7 thorpej __P((struct am7990_softc *, u_int16_t));
84 1.7 thorpej void (*sc_wrcsr)
85 1.7 thorpej __P((struct am7990_softc *, u_int16_t, u_int16_t));
86 1.7 thorpej void (*sc_hwinit) __P((struct am7990_softc *));
87 1.8 abrown void (*sc_nocarrier) __P((struct am7990_softc *));
88 1.7 thorpej
89 1.7 thorpej void *sc_sh; /* shutdownhook cookie */
90 1.7 thorpej
91 1.7 thorpej u_int16_t sc_conf3; /* CSR3 value */
92 1.10 leo u_int16_t sc_saved_csr0;/* Value of csr0 at time of interrupt */
93 1.7 thorpej
94 1.7 thorpej void *sc_mem; /* base address of RAM -- CPU's view */
95 1.7 thorpej u_long sc_addr; /* base address of RAM -- LANCE's view */
96 1.7 thorpej
97 1.7 thorpej u_long sc_memsize; /* size of RAM */
98 1.7 thorpej
99 1.7 thorpej int sc_nrbuf; /* number of receive buffers */
100 1.7 thorpej int sc_ntbuf; /* number of transmit buffers */
101 1.7 thorpej int sc_last_rd;
102 1.7 thorpej int sc_first_td, sc_last_td, sc_no_td;
103 1.7 thorpej
104 1.7 thorpej int sc_initaddr;
105 1.7 thorpej int sc_rmdaddr;
106 1.7 thorpej int sc_tmdaddr;
107 1.10 leo int *sc_rbufaddr;
108 1.10 leo int *sc_tbufaddr;
109 1.7 thorpej
110 1.7 thorpej #ifdef LEDEBUG
111 1.7 thorpej int sc_debug;
112 1.7 thorpej #endif
113 1.7 thorpej };
114 1.7 thorpej
115 1.7 thorpej /* Export this to machine-dependent drivers. */
116 1.7 thorpej extern struct cfdriver le_cd;
117 1.7 thorpej
118 1.7 thorpej void am7990_config __P((struct am7990_softc *));
119 1.7 thorpej void am7990_init __P((struct am7990_softc *));
120 1.7 thorpej int am7990_ioctl __P((struct ifnet *, u_long, caddr_t));
121 1.7 thorpej void am7990_meminit __P((struct am7990_softc *));
122 1.7 thorpej void am7990_reset __P((struct am7990_softc *));
123 1.7 thorpej void am7990_setladrf __P((struct arpcom *, u_int16_t *));
124 1.7 thorpej void am7990_start __P((struct ifnet *));
125 1.7 thorpej void am7990_stop __P((struct am7990_softc *));
126 1.7 thorpej void am7990_watchdog __P((struct ifnet *));
127 1.7 thorpej int am7990_intr __P((void *));
128 1.1 cgd
129 1.2 cgd /*
130 1.2 cgd * The following functions are only useful on certain cpu/bus
131 1.2 cgd * combinations. They should be written in assembly language for
132 1.2 cgd * maximum efficiency, but machine-independent versions are provided
133 1.2 cgd * for drivers that have not yet been optimized.
134 1.2 cgd */
135 1.7 thorpej void am7990_copytobuf_contig __P((struct am7990_softc *, void *, int, int));
136 1.7 thorpej void am7990_copyfrombuf_contig __P((struct am7990_softc *, void *, int, int));
137 1.7 thorpej void am7990_zerobuf_contig __P((struct am7990_softc *, int, int));
138 1.7 thorpej
139 1.7 thorpej #if 0 /* Example only - see am7990.c */
140 1.7 thorpej void am7990_copytobuf_gap2 __P((struct am7990_softc *, void *, int, int));
141 1.7 thorpej void am7990_copyfrombuf_gap2 __P((struct am7990_softc *, void *, int, int));
142 1.7 thorpej void am7990_zerobuf_gap2 __P((struct am7990_softc *, int, int));
143 1.7 thorpej
144 1.7 thorpej void am7990_copytobuf_gap16 __P((struct am7990_softc *, void *, int, int));
145 1.7 thorpej void am7990_copyfrombuf_gap16 __P((struct am7990_softc *, void *, int, int));
146 1.7 thorpej void am7990_zerobuf_gap16 __P((struct am7990_softc *, int, int));
147 1.7 thorpej #endif /* Example only */
148