Annotation of sys/dev/tc/if_le_tc.c, Revision 1.1.1.1
1.1 nbrk 1: /* $OpenBSD: if_le_tc.c,v 1.8 2007/06/17 21:20:47 jasper Exp $ */
2: /* $NetBSD: if_le_tc.c,v 1.12 2001/11/13 06:26:10 lukem Exp $ */
3:
4: /*
5: * Copyright (c) 1996 Carnegie-Mellon University.
6: * All rights reserved.
7: *
8: * Author: Chris G. Demetriou
9: *
10: * Permission to use, copy, modify and distribute this software and
11: * its documentation is hereby granted, provided that both the copyright
12: * notice and this permission notice appear in all copies of the
13: * software, derivative works or modified versions, and any portions
14: * thereof, and that both notices appear in supporting documentation.
15: *
16: * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
17: * CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND
18: * FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
19: *
20: * Carnegie Mellon requests users of this software to return to
21: *
22: * Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU
23: * School of Computer Science
24: * Carnegie Mellon University
25: * Pittsburgh PA 15213-3890
26: *
27: * any improvements or extensions that they make and grant Carnegie the
28: * rights to redistribute these changes.
29: */
30:
31: /*
32: * LANCE on TurboChannel.
33: */
34:
35: #include <sys/param.h>
36: #include <sys/systm.h>
37: #include <sys/mbuf.h>
38: #include <sys/syslog.h>
39: #include <sys/socket.h>
40: #include <sys/device.h>
41:
42: #include <net/if.h>
43: #include <net/if_media.h>
44:
45: #ifdef INET
46: #include <netinet/in.h>
47: #include <netinet/if_ether.h>
48: #endif
49:
50: #include <dev/ic/am7990reg.h>
51: #include <dev/ic/am7990var.h>
52:
53: #include <dev/tc/if_levar.h>
54: #include <dev/tc/tcvar.h>
55:
56: int le_tc_match(struct device *, void *, void *);
57: void le_tc_attach(struct device *, struct device *, void *);
58:
59: struct cfattach le_tc_ca = {
60: sizeof(struct le_softc), le_tc_match, le_tc_attach
61: };
62:
63: #define LE_OFFSET_RAM 0x0
64: #define LE_OFFSET_LANCE 0x100000
65: #define LE_OFFSET_ROM 0x1c0000
66:
67: int
68: le_tc_match(struct device *parent, void *match, void *aux)
69: {
70: struct tc_attach_args *d = aux;
71:
72: if (strncmp("PMAD-AA ", d->ta_modname, TC_ROM_LLEN) != 0)
73: return (0);
74:
75: return (1);
76: }
77:
78: void
79: le_tc_attach(struct device *parent, struct device *self, void *aux)
80: {
81: struct le_softc *lesc = (void *)self;
82: struct am7990_softc *sc = &lesc->sc_am7990;
83: struct tc_attach_args *d = aux;
84:
85: /*
86: * It's on the turbochannel proper, or a kn02
87: * baseboard implementation of a TC option card.
88: */
89: lesc->sc_r1 = (struct lereg1 *)
90: TC_DENSE_TO_SPARSE(TC_PHYS_TO_UNCACHED(d->ta_addr + LE_OFFSET_LANCE));
91: sc->sc_mem = (void *)(d->ta_addr + LE_OFFSET_RAM);
92:
93: sc->sc_copytodesc = am7990_copytobuf_contig;
94: sc->sc_copyfromdesc = am7990_copyfrombuf_contig;
95: sc->sc_copytobuf = am7990_copytobuf_contig;
96: sc->sc_copyfrombuf = am7990_copyfrombuf_contig;
97: sc->sc_zerobuf = am7990_zerobuf_contig;
98:
99: /*
100: * TC lance boards have onboard SRAM buffers. DMA
101: * between the onbard RAM and main memory is not possible,
102: * so DMA setup is not required.
103: */
104:
105: dec_le_common_attach(&lesc->sc_am7990,
106: (u_char *)(d->ta_addr + LE_OFFSET_ROM + 2));
107:
108: tc_intr_establish(parent, d->ta_cookie, TC_IPL_NET, am7990_intr, sc);
109: }
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