1 | /* $NetBSD: rtl80x9.c,v 1.16 2014/06/16 16:48:16 msaitoh 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 Jason R. Thorpe of the Numerical Aerospace Simulation Facility, |
9 | * NASA Ames Research Center. |
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/cdefs.h> |
34 | __KERNEL_RCSID(0, "$NetBSD: rtl80x9.c,v 1.16 2014/06/16 16:48:16 msaitoh Exp $" ); |
35 | |
36 | #include <sys/param.h> |
37 | #include <sys/systm.h> |
38 | #include <sys/mbuf.h> |
39 | #include <sys/syslog.h> |
40 | #include <sys/socket.h> |
41 | #include <sys/device.h> |
42 | |
43 | #include <net/if.h> |
44 | #include <net/if_ether.h> |
45 | #include <net/if_media.h> |
46 | |
47 | #include <sys/bus.h> |
48 | #include <sys/intr.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/rtl80x9reg.h> |
57 | #include <dev/ic/rtl80x9var.h> |
58 | |
59 | int |
60 | rtl80x9_mediachange(struct dp8390_softc *dsc) |
61 | { |
62 | |
63 | /* |
64 | * Current media is already set up. Just reset the interface |
65 | * to let the new value take hold. The new media will be |
66 | * set up in ne_pci_rtl8029_init_card() called via dp8390_init(). |
67 | */ |
68 | dp8390_reset(dsc); |
69 | return (0); |
70 | } |
71 | |
72 | void |
73 | rtl80x9_mediastatus(struct dp8390_softc *sc, struct ifmediareq *ifmr) |
74 | { |
75 | struct ifnet *ifp = &sc->sc_ec.ec_if; |
76 | u_int8_t cr_proto = sc->cr_proto | |
77 | ((ifp->if_flags & IFF_RUNNING) ? ED_CR_STA : ED_CR_STP); |
78 | |
79 | /* |
80 | * Sigh, can detect which media is being used, but can't |
81 | * detect if we have link or not. |
82 | */ |
83 | |
84 | /* Set NIC to page 3 registers. */ |
85 | NIC_PUT(sc->sc_regt, sc->sc_regh, ED_P0_CR, cr_proto | ED_CR_PAGE_3); |
86 | |
87 | if (NIC_GET(sc->sc_regt, sc->sc_regh, NERTL_RTL3_CONFIG0) & |
88 | RTL3_CONFIG0_BNC) |
89 | ifmr->ifm_active = IFM_ETHER|IFM_10_2; |
90 | else { |
91 | ifmr->ifm_active = IFM_ETHER|IFM_10_T; |
92 | if (NIC_GET(sc->sc_regt, sc->sc_regh, NERTL_RTL3_CONFIG3) & |
93 | RTL3_CONFIG3_FUDUP) |
94 | ifmr->ifm_active |= IFM_FDX; |
95 | else |
96 | ifmr->ifm_active |= IFM_HDX; |
97 | } |
98 | |
99 | /* Set NIC to page 0 registers. */ |
100 | NIC_PUT(sc->sc_regt, sc->sc_regh, ED_P0_CR, cr_proto | ED_CR_PAGE_0); |
101 | } |
102 | |
103 | void |
104 | rtl80x9_init_card(struct dp8390_softc *sc) |
105 | { |
106 | struct ifmedia *ifm = &sc->sc_media; |
107 | struct ifnet *ifp = &sc->sc_ec.ec_if; |
108 | u_int8_t cr_proto = sc->cr_proto | |
109 | ((ifp->if_flags & IFF_RUNNING) ? ED_CR_STA : ED_CR_STP); |
110 | u_int8_t reg; |
111 | |
112 | /* Set NIC to page 3 registers. */ |
113 | NIC_PUT(sc->sc_regt, sc->sc_regh, ED_P0_CR, cr_proto | ED_CR_PAGE_3); |
114 | |
115 | /* write enable config1-3. */ |
116 | NIC_PUT(sc->sc_regt, sc->sc_regh, NERTL_RTL3_EECR, |
117 | RTL3_EECR_EEM1|RTL3_EECR_EEM0); |
118 | |
119 | /* First, set basic media type. */ |
120 | reg = NIC_GET(sc->sc_regt, sc->sc_regh, NERTL_RTL3_CONFIG2); |
121 | reg &= ~(RTL3_CONFIG2_PL1|RTL3_CONFIG2_PL0); |
122 | switch (IFM_SUBTYPE(ifm->ifm_cur->ifm_media)) { |
123 | case IFM_AUTO: |
124 | /* Nothing to do; both bits clear == auto-detect. */ |
125 | break; |
126 | |
127 | case IFM_10_T: |
128 | /* |
129 | * According to docs, this should be: |
130 | * reg |= RTL3_CONFIG2_PL0; |
131 | * but this doesn't work, so make it the same as AUTO. |
132 | */ |
133 | break; |
134 | |
135 | case IFM_10_2: |
136 | reg |= RTL3_CONFIG2_PL1|RTL3_CONFIG2_PL0; |
137 | break; |
138 | } |
139 | NIC_PUT(sc->sc_regt, sc->sc_regh, NERTL_RTL3_CONFIG2, reg); |
140 | |
141 | /* Now, set duplex mode. */ |
142 | reg = NIC_GET(sc->sc_regt, sc->sc_regh, NERTL_RTL3_CONFIG3); |
143 | if (ifm->ifm_cur->ifm_media & IFM_FDX) |
144 | reg |= RTL3_CONFIG3_FUDUP; |
145 | else |
146 | reg &= ~RTL3_CONFIG3_FUDUP; |
147 | NIC_PUT(sc->sc_regt, sc->sc_regh, NERTL_RTL3_CONFIG3, reg); |
148 | |
149 | /* write disable config1-3 */ |
150 | NIC_PUT(sc->sc_regt, sc->sc_regh, NERTL_RTL3_EECR, 0); |
151 | |
152 | /* Set NIC to page 0 registers. */ |
153 | NIC_PUT(sc->sc_regt, sc->sc_regh, ED_P0_CR, cr_proto | ED_CR_PAGE_0); |
154 | } |
155 | |
156 | void |
157 | rtl80x9_media_init(struct dp8390_softc *sc) |
158 | { |
159 | static int rtl80x9_media[] = { |
160 | IFM_ETHER|IFM_AUTO, |
161 | IFM_ETHER|IFM_10_T, |
162 | IFM_ETHER|IFM_10_T|IFM_FDX, |
163 | IFM_ETHER|IFM_10_2, |
164 | }; |
165 | static const int rtl80x9_nmedia = |
166 | sizeof(rtl80x9_media) / sizeof(rtl80x9_media[0]); |
167 | |
168 | int i, defmedia; |
169 | u_int8_t conf2, conf3; |
170 | |
171 | aprint_normal_dev(sc->sc_dev, |
172 | "10base2, 10baseT, 10baseT-FDX, auto, default " ); |
173 | |
174 | bus_space_write_1(sc->sc_regt, sc->sc_regh, ED_P0_CR, ED_CR_PAGE_3); |
175 | |
176 | conf2 = bus_space_read_1(sc->sc_regt, sc->sc_regh, NERTL_RTL3_CONFIG2); |
177 | conf3 = bus_space_read_1(sc->sc_regt, sc->sc_regh, NERTL_RTL3_CONFIG3); |
178 | printf("[0x%02x 0x%02x] " , conf2, conf3); |
179 | |
180 | conf2 &= RTL3_CONFIG2_PL1|RTL3_CONFIG2_PL0; |
181 | |
182 | switch (conf2) { |
183 | default: |
184 | defmedia = IFM_ETHER|IFM_AUTO; |
185 | printf("auto\n" ); |
186 | break; |
187 | |
188 | case RTL3_CONFIG2_PL1|RTL3_CONFIG2_PL0: |
189 | case RTL3_CONFIG2_PL1: /* XXX rtl docs sys 10base5, but chip cant do */ |
190 | defmedia = IFM_ETHER|IFM_10_2; |
191 | printf("10base2\n" ); |
192 | break; |
193 | |
194 | case RTL3_CONFIG2_PL0: |
195 | if (conf3 & RTL3_CONFIG3_FUDUP) { |
196 | defmedia = IFM_ETHER|IFM_10_T|IFM_FDX; |
197 | printf("10baseT-FDX\n" ); |
198 | } else { |
199 | defmedia = IFM_ETHER|IFM_10_T; |
200 | printf("10baseT\n" ); |
201 | } |
202 | break; |
203 | } |
204 | |
205 | bus_space_write_1(sc->sc_regt, sc->sc_regh, ED_P0_CR, ED_CR_PAGE_0); |
206 | |
207 | ifmedia_init(&sc->sc_media, 0, dp8390_mediachange, dp8390_mediastatus); |
208 | for (i = 0; i < rtl80x9_nmedia; i++) |
209 | ifmedia_add(&sc->sc_media, rtl80x9_media[i], 0, NULL); |
210 | ifmedia_set(&sc->sc_media, defmedia); |
211 | } |
212 | |