1/*	$NetBSD: ax88190.c,v 1.10 2008/03/12 14:31:11 cube Exp $	*/
2
3/*-
4 * Copyright (c) 2001 The NetBSD Foundation, Inc.
5 * All rights reserved.
6 *
7 * This code is derived from software contributed to The NetBSD Foundation
8 * by Enami Tsugutomo.
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: ax88190.c,v 1.10 2008/03/12 14:31:11 cube Exp $");
34
35#include <sys/param.h>
36#include <sys/systm.h>
37#include <sys/device.h>
38#include <sys/socket.h>
39
40#include <net/if.h>
41#include <net/if_dl.h>
42#include <net/if_types.h>
43#include <net/if_media.h>
44#include <net/if_ether.h>
45
46#include <sys/bus.h>
47
48#include <dev/mii/miivar.h>
49#include <dev/mii/mii.h>
50#include <dev/mii/mii_bitbang.h>
51
52#include <dev/ic/dp8390reg.h>
53#include <dev/ic/dp8390var.h>
54
55#include <dev/ic/ne2000reg.h>
56#include <dev/ic/ne2000var.h>
57
58#include <dev/ic/ax88190reg.h>
59#include <dev/ic/ax88190var.h>
60
61static int	ax88190_mii_readreg(device_t, int, int);
62static void	ax88190_mii_writereg(device_t, int, int, int);
63static void	ax88190_mii_statchg(device_t);
64
65/*
66 * MII bit-bang glue.
67 */
68static u_int32_t	ax88190_mii_bitbang_read(device_t);
69static void		ax88190_mii_bitbang_write(device_t, u_int32_t);
70
71static const struct mii_bitbang_ops ax88190_mii_bitbang_ops = {
72	ax88190_mii_bitbang_read,
73	ax88190_mii_bitbang_write,
74	{
75		AX88190_MEMR_MDO,	/* MII_BIT_MDO */
76		AX88190_MEMR_MDI,	/* MII_BIT_MDI */
77		AX88190_MEMR_MDC,	/* MII_BIT_MDC */
78		0,			/* MII_BIT_DIR_HOST_PHY */
79		AX88190_MEMR_MDIR,	/* MII_BIT_DIR_PHY_HOST */
80	}
81};
82
83void
84ax88190_media_init(struct dp8390_softc *sc)
85{
86	struct ifnet *ifp = &sc->sc_ec.ec_if;
87
88	sc->sc_mii.mii_ifp = ifp;
89	sc->sc_mii.mii_readreg = ax88190_mii_readreg;
90	sc->sc_mii.mii_writereg = ax88190_mii_writereg;
91	sc->sc_mii.mii_statchg = ax88190_mii_statchg;
92	ifmedia_init(&sc->sc_mii.mii_media, IFM_IMASK, dp8390_mediachange,
93	    dp8390_mediastatus);
94
95	mii_attach(sc->sc_dev, &sc->sc_mii, 0xffffffff, MII_PHY_ANY,
96	    MII_OFFSET_ANY, 0);
97
98	if (LIST_FIRST(&sc->sc_mii.mii_phys) == NULL) {
99		ifmedia_add(&sc->sc_mii.mii_media, IFM_ETHER|IFM_NONE, 0,
100		    NULL);
101		ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_NONE);
102	} else
103		ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_AUTO);
104}
105
106void
107ax88190_media_fini(struct dp8390_softc *sc)
108{
109
110	mii_detach(&sc->sc_mii, MII_PHY_ANY, MII_OFFSET_ANY);
111}
112
113int
114ax88190_mediachange(struct dp8390_softc *sc)
115{
116	int rc;
117
118	if ((rc = mii_mediachg(&sc->sc_mii)) == ENXIO)
119		return 0;
120	return rc;
121}
122
123void
124ax88190_mediastatus(struct dp8390_softc *sc, struct ifmediareq *ifmr)
125{
126
127	mii_pollstat(&sc->sc_mii);
128	ifmr->ifm_status = sc->sc_mii.mii_media_status;
129	ifmr->ifm_active = sc->sc_mii.mii_media_active;
130}
131
132void
133ax88190_init_card(struct dp8390_softc *sc)
134{
135
136	mii_mediachg(&sc->sc_mii);
137}
138
139void
140ax88190_stop_card(struct dp8390_softc *sc)
141{
142
143	mii_down(&sc->sc_mii);
144}
145
146static u_int32_t
147ax88190_mii_bitbang_read(device_t self)
148{
149	struct ne2000_softc *sc = device_private(self);
150
151	return (bus_space_read_1(sc->sc_asict, sc->sc_asich, AX88190_MEMR));
152}
153
154static void
155ax88190_mii_bitbang_write(device_t self, uint32_t val)
156{
157	struct ne2000_softc *sc = device_private(self);
158
159	bus_space_write_1(sc->sc_asict, sc->sc_asich, AX88190_MEMR, val);
160}
161
162static int
163ax88190_mii_readreg(device_t self, int phy, int reg)
164{
165
166	return (mii_bitbang_readreg(self, &ax88190_mii_bitbang_ops, phy, reg));
167}
168
169static void
170ax88190_mii_writereg(device_t self, int phy, int reg, int val)
171{
172
173	mii_bitbang_writereg(self, &ax88190_mii_bitbang_ops, phy, reg, val);
174}
175
176static void
177ax88190_mii_statchg(device_t self)
178{
179
180	/* XXX */
181}
182