1 | /* $NetBSD: ax88190.c,v 1.12 2012/07/22 14:32:56 matt 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 1.12 2012/07/22 14:32:56 matt 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 | |
61 | static int ax88190_mii_readreg(device_t, int, int); |
62 | static void ax88190_mii_writereg(device_t, int, int, int); |
63 | static void ax88190_mii_statchg(struct ifnet *); |
64 | |
65 | /* |
66 | * MII bit-bang glue. |
67 | */ |
68 | static u_int32_t ax88190_mii_bitbang_read(device_t); |
69 | static void ax88190_mii_bitbang_write(device_t, u_int32_t); |
70 | |
71 | static 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 | |
83 | void |
84 | ax88190_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 | |
106 | void |
107 | ax88190_media_fini(struct dp8390_softc *sc) |
108 | { |
109 | |
110 | mii_detach(&sc->sc_mii, MII_PHY_ANY, MII_OFFSET_ANY); |
111 | } |
112 | |
113 | int |
114 | ax88190_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 | |
123 | void |
124 | ax88190_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 | |
132 | void |
133 | ax88190_init_card(struct dp8390_softc *sc) |
134 | { |
135 | |
136 | mii_mediachg(&sc->sc_mii); |
137 | } |
138 | |
139 | void |
140 | ax88190_stop_card(struct dp8390_softc *sc) |
141 | { |
142 | |
143 | mii_down(&sc->sc_mii); |
144 | } |
145 | |
146 | static u_int32_t |
147 | ax88190_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 | |
154 | static void |
155 | ax88190_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 | |
162 | static int |
163 | ax88190_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 | |
169 | static void |
170 | ax88190_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 | |
176 | static void |
177 | ax88190_mii_statchg(struct ifnet *ifp) |
178 | { |
179 | |
180 | /* XXX */ |
181 | } |
182 | |