1/*	$OpenBSD: if_le_tc.c,v 1.14 2022/04/06 18:59:30 naddy 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#include <netinet/in.h>
46#include <netinet/if_ether.h>
47
48#include <dev/ic/lancereg.h>
49#include <dev/ic/lancevar.h>
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
56int	le_tc_match(struct device *, void *, void *);
57void	le_tc_attach(struct device *, struct device *, void *);
58
59const 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
67int
68le_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
78void
79le_tc_attach(struct device *parent, struct device *self, void *aux)
80{
81	struct le_softc *lesc = (void *)self;
82	struct lance_softc *sc = &lesc->sc_am7990.lsc;
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 = lance_copytobuf_contig;
94	sc->sc_copyfromdesc = lance_copyfrombuf_contig;
95	sc->sc_copytobuf = lance_copytobuf_contig;
96	sc->sc_copyfrombuf = lance_copyfrombuf_contig;
97	sc->sc_zerobuf = lance_zerobuf_contig;
98
99	/*
100	 * TC lance boards have onboard SRAM buffers.  DMA
101	 * between the onboard 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, IPL_NET, am7990_intr, sc,
109	    self->dv_xname);
110}
111