1 /* $OpenBSD: ax88190.c,v 1.9 2021/03/07 06:21:38 jsg Exp $ */
2 /* $NetBSD$ */
3
4 /*-
5 * Copyright (c) 2001 The NetBSD Foundation, Inc.
6 * All rights reserved.
7 *
8 * This code is derived from software contributed to The NetBSD Foundation
9 * by Enami Tsugutomo.
10 *
11 * Redistribution and use in source and binary forms, with or without
12 * modification, are permitted provided that the following conditions
13 * are met:
14 * 1. Redistributions of source code must retain the above copyright
15 * notice, this list of conditions and the following disclaimer.
16 * 2. Redistributions in binary form must reproduce the above copyright
17 * notice, this list of conditions and the following disclaimer in the
18 * documentation and/or other materials provided with the distribution.
19 *
20 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
21 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
22 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
23 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
24 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
25 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
26 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
27 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
28 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
29 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
30 * POSSIBILITY OF SUCH DAMAGE.
31 */
32
33 #include <sys/param.h>
34 #include <sys/systm.h>
35 #include <sys/device.h>
36 #include <sys/socket.h>
37
38 #include <net/if.h>
39 #include <net/if_media.h>
40
41 #include <netinet/in.h>
42 #include <netinet/if_ether.h>
43
44 #include <machine/bus.h>
45
46 #include <dev/mii/miivar.h>
47 #include <dev/mii/mii.h>
48 #include <dev/mii/mii_bitbang.h>
49
50 #include <dev/ic/dp8390reg.h>
51 #include <dev/ic/dp8390var.h>
52
53 #include <dev/ic/ne2000reg.h>
54 #include <dev/ic/ne2000var.h>
55
56 #include <dev/ic/ax88190reg.h>
57
58 int ax88190_mii_readreg(struct device *, int, int);
59 void ax88190_mii_writereg(struct device *, int, int, int);
60 void ax88190_mii_statchg(struct device *);
61
62 /*
63 * MII bit-bang glue.
64 */
65 u_int32_t ax88190_mii_bitbang_read(struct device *);
66 void ax88190_mii_bitbang_write(struct device *, u_int32_t);
67
68 const struct mii_bitbang_ops ax88190_mii_bitbang_ops = {
69 ax88190_mii_bitbang_read,
70 ax88190_mii_bitbang_write,
71 {
72 AX88190_MEMR_MDO, /* MII_BIT_MDO */
73 AX88190_MEMR_MDI, /* MII_BIT_MDI */
74 AX88190_MEMR_MDC, /* MII_BIT_MDC */
75 0, /* MII_BIT_DIR_HOST_PHY */
76 AX88190_MEMR_MDIR, /* MII_BIT_DIR_PHY_HOST */
77 }
78 };
79
80 void
ax88190_media_init(struct dp8390_softc * sc)81 ax88190_media_init(struct dp8390_softc *sc)
82 {
83 struct ifnet *ifp = &sc->sc_arpcom.ac_if;
84
85 sc->sc_mii.mii_ifp = ifp;
86 sc->sc_mii.mii_readreg = ax88190_mii_readreg;
87 sc->sc_mii.mii_writereg = ax88190_mii_writereg;
88 sc->sc_mii.mii_statchg = ax88190_mii_statchg;
89 ifmedia_init(&sc->sc_mii.mii_media, 0, dp8390_mediachange,
90 dp8390_mediastatus);
91
92 mii_attach(&sc->sc_dev, &sc->sc_mii, 0xffffffff, MII_PHY_ANY,
93 MII_OFFSET_ANY, 0);
94
95 if (LIST_FIRST(&sc->sc_mii.mii_phys) == NULL) {
96 ifmedia_add(&sc->sc_mii.mii_media, IFM_ETHER|IFM_NONE, 0,
97 NULL);
98 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_NONE);
99 } else
100 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_AUTO);
101 }
102
103 void
ax88190_media_fini(struct dp8390_softc * sc)104 ax88190_media_fini(struct dp8390_softc *sc)
105 {
106 mii_detach(&sc->sc_mii, MII_PHY_ANY, MII_OFFSET_ANY);
107 }
108
109 int
ax88190_mediachange(struct dp8390_softc * sc)110 ax88190_mediachange(struct dp8390_softc *sc)
111 {
112 mii_mediachg(&sc->sc_mii);
113 return (0);
114 }
115
116 void
ax88190_mediastatus(struct dp8390_softc * sc,struct ifmediareq * ifmr)117 ax88190_mediastatus(struct dp8390_softc *sc, struct ifmediareq *ifmr)
118 {
119 mii_pollstat(&sc->sc_mii);
120 ifmr->ifm_status = sc->sc_mii.mii_media_status;
121 ifmr->ifm_active = sc->sc_mii.mii_media_active;
122 }
123
124 void
ax88190_init_card(struct dp8390_softc * sc)125 ax88190_init_card(struct dp8390_softc *sc)
126 {
127 mii_mediachg(&sc->sc_mii);
128 }
129
130 void
ax88190_stop_card(struct dp8390_softc * sc)131 ax88190_stop_card(struct dp8390_softc *sc)
132 {
133 mii_down(&sc->sc_mii);
134 }
135
136 u_int32_t
ax88190_mii_bitbang_read(struct device * self)137 ax88190_mii_bitbang_read(struct device *self)
138 {
139 struct ne2000_softc *sc = (void *)self;
140
141 return (bus_space_read_1(sc->sc_asict, sc->sc_asich, AX88190_MEMR));
142 }
143
144 void
ax88190_mii_bitbang_write(struct device * self,u_int32_t val)145 ax88190_mii_bitbang_write(struct device *self, u_int32_t val)
146 {
147 struct ne2000_softc *sc = (void *)self;
148
149 bus_space_write_1(sc->sc_asict, sc->sc_asich, AX88190_MEMR, val);
150 }
151
152 int
ax88190_mii_readreg(struct device * self,int phy,int reg)153 ax88190_mii_readreg(struct device *self, int phy, int reg)
154 {
155 return (mii_bitbang_readreg(self, &ax88190_mii_bitbang_ops, phy, reg));
156 }
157
158 void
ax88190_mii_writereg(struct device * self,int phy,int reg,int val)159 ax88190_mii_writereg(struct device *self, int phy, int reg, int val)
160 {
161 mii_bitbang_writereg(self, &ax88190_mii_bitbang_ops, phy, reg, val);
162 }
163
164 void
ax88190_mii_statchg(struct device * self)165 ax88190_mii_statchg(struct device *self)
166 {
167 /* XXX */
168 }
169