1/*	$NetBSD: if_ne_zbus.c,v 1.14 2011/07/19 15:55:27 dyoung Exp $ */
2
3/*-
4 * Copyright (c) 1998 The NetBSD Foundation, Inc.
5 * All rights reserved.
6 *
7 * This code is derived from software contributed to The NetBSD Foundation
8 * by Bernd Ernesti.
9 *
10 * Redistribution and use in source and binary forms, with or without
11 * modification, are permitted provided that the following conditions
12 * are met:
13 * 1. Redistributions of source code must retain the above copyright
14 *    notice, this list of conditions and the following disclaimer.
15 * 2. Redistributions in binary form must reproduce the above copyright
16 *    notice, this list of conditions and the following disclaimer in the
17 *    documentation and/or other materials provided with the distribution.
18 *
19 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
20 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
21 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
22 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
23 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
29 * POSSIBILITY OF SUCH DAMAGE.
30 */
31
32#include <sys/cdefs.h>
33__KERNEL_RCSID(0, "$NetBSD: if_ne_zbus.c,v 1.14 2011/07/19 15:55:27 dyoung Exp $");
34
35/*
36 * Thanks to Village Tronic for giving me a card.
37 * Bernd Ernesti
38 */
39
40#include <sys/param.h>
41#include <sys/device.h>
42#include <sys/malloc.h>
43#include <sys/mbuf.h>
44#include <sys/socket.h>
45#include <sys/syslog.h>
46#include <sys/systm.h>
47#include <sys/bus.h>
48
49#include <net/if.h>
50#include <net/if_media.h>
51#include <net/if_ether.h>
52
53#include <dev/ic/dp8390reg.h>
54#include <dev/ic/dp8390var.h>
55
56#include <dev/ic/ne2000reg.h>
57#include <dev/ic/ne2000var.h>
58
59#include <dev/ic/rtl80x9reg.h>
60#include <dev/ic/rtl80x9var.h>
61
62#include <amiga/amiga/device.h>
63#include <amiga/amiga/isr.h>
64
65#include <amiga/dev/zbusvar.h>
66
67int	ne_zbus_match(device_t, cfdata_t , void *);
68void	ne_zbus_attach(device_t, device_t, void *);
69
70struct ne_zbus_softc {
71	struct ne2000_softc	sc_ne2000;
72	struct bus_space_tag	sc_bst;
73	struct isr		sc_isr;
74};
75
76CFATTACH_DECL_NEW(ne_zbus, sizeof(struct ne_zbus_softc),
77    ne_zbus_match, ne_zbus_attach, NULL, NULL);
78
79/*
80 * The Amiga address are shifted by one bit to the ISA-Bus, but
81 * this is handled by the bus_space functions.
82 */
83#define	NE_ARIADNE_II_NPORTS	0x20
84#define	NE_ARIADNE_II_NICBASE	0x0300	/* 0x0600 */
85#define	NE_ARIADNE_II_NICSIZE	0x10
86#define	NE_ARIADNE_II_ASICBASE	0x0310	/* 0x0620 */
87#define	NE_ARIADNE_II_ASICSIZE	0x10
88
89/*
90 * E3B Deneb firmware v11 creates fake X-Surf autoconfig entry.
91 * Do not attach ne driver to this fake card, otherwise kernel panic
92 * may occur.
93 */
94#define DENEB_XSURF_SERNO	0xC0FFEE01	/* Serial of the fake card */
95
96int
97ne_zbus_match(device_t parent, cfdata_t cf, void *aux)
98{
99	struct zbus_args *zap = aux;
100
101	/* Ariadne II ethernet card */
102	if (zap->manid == 2167 && zap->prodid == 202)
103		return (1);
104
105	/* X-surf ethernet card */
106	if (zap->manid == 4626 && zap->prodid == 23) {
107		if (zap->serno != DENEB_XSURF_SERNO)
108			return (1);
109	}
110
111	return (0);
112}
113
114/*
115 * Install interface into kernel networking data structures
116 */
117void
118ne_zbus_attach(device_t parent, device_t self, void *aux)
119{
120	struct ne_zbus_softc *zsc = device_private(self);
121	struct ne2000_softc *nsc = &zsc->sc_ne2000;
122	struct dp8390_softc *dsc = &nsc->sc_dp8390;
123	struct zbus_args *zap = aux;
124	bus_space_tag_t nict = &zsc->sc_bst;
125	bus_space_handle_t nich;
126	bus_space_tag_t asict = nict;
127	bus_space_handle_t asich;
128
129	dsc->sc_dev = self;
130	dsc->sc_mediachange = rtl80x9_mediachange;
131	dsc->sc_mediastatus = rtl80x9_mediastatus;
132	dsc->init_card = rtl80x9_init_card;
133	dsc->sc_media_init = rtl80x9_media_init;
134
135	zsc->sc_bst.base = (u_long)zap->va + 0;
136	if (zap->manid == 4626)
137		 zsc->sc_bst.base += 0x8000;
138
139	zsc->sc_bst.absm = &amiga_bus_stride_2;
140
141	aprint_normal("\n");
142
143	/* Map i/o space. */
144	if (bus_space_map(nict, NE_ARIADNE_II_NICBASE, NE_ARIADNE_II_NPORTS, 0, &nich)) {
145		aprint_error_dev(self, "can't map nic i/o space\n");
146		return;
147	}
148
149	if (bus_space_subregion(nict, nich, NE2000_ASIC_OFFSET, NE_ARIADNE_II_ASICSIZE,
150	    &asich)) {
151		aprint_error_dev(self, "can't map asic i/o space\n");
152		return;
153	}
154
155	dsc->sc_regt = nict;
156	dsc->sc_regh = nich;
157
158	nsc->sc_asict = asict;
159	nsc->sc_asich = asich;
160
161	/* This interface is always enabled. */
162	dsc->sc_enabled = 1;
163
164	/*
165	 * Do generic NE2000 attach.  This will read the station address
166	 * from the EEPROM.
167	 */
168	ne2000_attach(nsc, NULL);
169
170	zsc->sc_isr.isr_intr = dp8390_intr;
171	zsc->sc_isr.isr_arg = dsc;
172	zsc->sc_isr.isr_ipl = 2;
173	add_isr(&zsc->sc_isr);
174}
175