Annotation of sys/dev/ic/am7990var.h, Revision 1.1.1.1
1.1 nbrk 1: /* $OpenBSD: am7990var.h,v 1.9 2002/03/14 01:26:54 millert Exp $ */
2: /* $NetBSD: am7990var.h,v 1.8 1996/07/05 23:57:01 abrown Exp $ */
3:
4: /*
5: * Copyright (c) 1995 Charles M. Hannum. All rights reserved.
6: *
7: * Redistribution and use in source and binary forms, with or without
8: * modification, are permitted provided that the following conditions
9: * are met:
10: * 1. Redistributions of source code must retain the above copyright
11: * notice, this list of conditions and the following disclaimer.
12: * 2. Redistributions in binary form must reproduce the above copyright
13: * notice, this list of conditions and the following disclaimer in the
14: * documentation and/or other materials provided with the distribution.
15: * 3. All advertising materials mentioning features or use of this software
16: * must display the following acknowledgement:
17: * This product includes software developed by Charles M. Hannum.
18: * 4. The name of the author may not be used to endorse or promote products
19: * derived from this software without specific prior written permission.
20: *
21: * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
22: * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
23: * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
24: * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
25: * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
26: * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
27: * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
28: * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
29: * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
30: * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
31: */
32:
33: #ifdef DDB
34: #define integrate
35: #define hide
36: #else
37: #define integrate static __inline
38: #define hide static
39: #endif
40:
41: /*
42: * Ethernet software status per device.
43: *
44: * Each interface is referenced by a network interface structure,
45: * arpcom.ac_if, which the routing code uses to locate the interface.
46: * This structure contains the output queue for the interface, its address, ...
47: *
48: * NOTE: this structure MUST be the first element in machine-dependent
49: * le_softc structures! This is designed SPECIFICALLY to make it possible
50: * to simply cast a "void *" to "struct le_softc *" or to
51: * "struct am7990_softc *". Among other things, this saves a lot of hair
52: * in the interrupt handlers.
53: */
54: struct am7990_softc {
55: struct device sc_dev; /* base device glue */
56: struct arpcom sc_arpcom; /* Ethernet common part */
57:
58: /*
59: * Memory functions:
60: *
61: * copy to/from descriptor
62: * copy to/from buffer
63: * zero bytes in buffer
64: */
65: void (*sc_copytodesc)(struct am7990_softc *, void *, int, int);
66: void (*sc_copyfromdesc)(struct am7990_softc *, void *, int, int);
67: void (*sc_copytobuf)(struct am7990_softc *, void *, int, int);
68: void (*sc_copyfrombuf)(struct am7990_softc *, void *, int, int);
69: void (*sc_zerobuf)(struct am7990_softc *, int, int);
70:
71: /*
72: * Machine-dependent functions:
73: *
74: * read/write CSR
75: * hardware reset hook - may be NULL
76: * hardware init hook - may be NULL
77: * no carrier hook - may be NULL
78: */
79: u_int16_t (*sc_rdcsr)(struct am7990_softc *, u_int16_t);
80: void (*sc_wrcsr)(struct am7990_softc *, u_int16_t, u_int16_t);
81: void (*sc_hwreset)(struct am7990_softc *);
82: void (*sc_hwinit)(struct am7990_softc *);
83: void (*sc_nocarrier)(struct am7990_softc *);
84:
85: int sc_hasifmedia;
86: struct ifmedia sc_ifmedia;
87:
88: void *sc_sh; /* shutdownhook cookie */
89:
90: u_int16_t sc_conf3; /* CSR3 value */
91:
92: void *sc_mem; /* base address of RAM -- CPU's view */
93: u_long sc_addr; /* base address of RAM -- LANCE's view */
94:
95: u_long sc_memsize; /* size of RAM */
96:
97: int sc_nrbuf; /* number of receive buffers */
98: int sc_ntbuf; /* number of transmit buffers */
99: int sc_last_rd;
100: int sc_first_td, sc_last_td, sc_no_td;
101:
102: int sc_initaddr;
103: int sc_rmdaddr;
104: int sc_tmdaddr;
105: int sc_rbufaddr;
106: int sc_tbufaddr;
107:
108: #ifdef LEDEBUG
109: int sc_debug;
110: #endif
111: };
112:
113: /* Export this to machine-dependent drivers. */
114: extern struct cfdriver le_cd;
115:
116: void am7990_config(struct am7990_softc *);
117: void am7990_init(struct am7990_softc *);
118: int am7990_ioctl(struct ifnet *, u_long, caddr_t);
119: void am7990_meminit(struct am7990_softc *);
120: void am7990_reset(struct am7990_softc *);
121: void am7990_setladrf(struct arpcom *, u_int16_t *);
122: void am7990_start(struct ifnet *);
123: void am7990_stop(struct am7990_softc *);
124: void am7990_watchdog(struct ifnet *);
125: int am7990_intr(void *);
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 am7990_copytobuf_contig(struct am7990_softc *, void *, int, int);
134: void am7990_copyfrombuf_contig(struct am7990_softc *, void *, int, int);
135: void am7990_zerobuf_contig(struct am7990_softc *, int, int);
136:
137: #if 0 /* Example only - see am7990.c */
138: void am7990_copytobuf_gap2(struct am7990_softc *, void *, int, int);
139: void am7990_copyfrombuf_gap2(struct am7990_softc *, void *, int, int);
140: void am7990_zerobuf_gap2(struct am7990_softc *, int, int);
141:
142: void am7990_copytobuf_gap16(struct am7990_softc *, void *, int, int);
143: void am7990_copyfrombuf_gap16(struct am7990_softc *, void *, int, int);
144: void am7990_zerobuf_gap16(struct am7990_softc *, int, int);
145: #endif /* Example only */
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