FreeBSD/Linux Kernel Cross Reference
sys/dev/ic/rtl80x9.c
1 /* $NetBSD: rtl80x9.c,v 1.11 2005/12/11 12:21:28 christos 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 * 3. All advertising materials mentioning features or use of this software
20 * must display the following acknowledgement:
21 * This product includes software developed by the NetBSD
22 * Foundation, Inc. and its contributors.
23 * 4. Neither the name of The NetBSD Foundation nor the names of its
24 * contributors may be used to endorse or promote products derived
25 * from this software without specific prior written permission.
26 *
27 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
28 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
29 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
30 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
31 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
32 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
33 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
34 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
35 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
36 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
37 * POSSIBILITY OF SUCH DAMAGE.
38 */
39
40 #include <sys/cdefs.h>
41 __KERNEL_RCSID(0, "$NetBSD: rtl80x9.c,v 1.11 2005/12/11 12:21:28 christos Exp $");
42
43 #include <sys/param.h>
44 #include <sys/systm.h>
45 #include <sys/mbuf.h>
46 #include <sys/syslog.h>
47 #include <sys/socket.h>
48 #include <sys/device.h>
49
50 #include <net/if.h>
51 #include <net/if_ether.h>
52 #include <net/if_media.h>
53
54 #include <machine/bus.h>
55 #include <machine/intr.h>
56
57 #include <dev/ic/dp8390reg.h>
58 #include <dev/ic/dp8390var.h>
59
60 #include <dev/ic/ne2000reg.h>
61 #include <dev/ic/ne2000var.h>
62
63 #include <dev/ic/rtl80x9reg.h>
64 #include <dev/ic/rtl80x9var.h>
65
66 int
67 rtl80x9_mediachange(dsc)
68 struct dp8390_softc *dsc;
69 {
70
71 /*
72 * Current media is already set up. Just reset the interface
73 * to let the new value take hold. The new media will be
74 * set up in ne_pci_rtl8029_init_card() called via dp8390_init().
75 */
76 dp8390_reset(dsc);
77 return (0);
78 }
79
80 void
81 rtl80x9_mediastatus(sc, ifmr)
82 struct dp8390_softc *sc;
83 struct ifmediareq *ifmr;
84 {
85 struct ifnet *ifp = &sc->sc_ec.ec_if;
86 u_int8_t cr_proto = sc->cr_proto |
87 ((ifp->if_flags & IFF_RUNNING) ? ED_CR_STA : ED_CR_STP);
88
89 /*
90 * Sigh, can detect which media is being used, but can't
91 * detect if we have link or not.
92 */
93
94 /* Set NIC to page 3 registers. */
95 NIC_PUT(sc->sc_regt, sc->sc_regh, ED_P0_CR, cr_proto | ED_CR_PAGE_3);
96
97 if (NIC_GET(sc->sc_regt, sc->sc_regh, NERTL_RTL3_CONFIG0) &
98 RTL3_CONFIG0_BNC)
99 ifmr->ifm_active = IFM_ETHER|IFM_10_2;
100 else {
101 ifmr->ifm_active = IFM_ETHER|IFM_10_T;
102 if (NIC_GET(sc->sc_regt, sc->sc_regh, NERTL_RTL3_CONFIG3) &
103 RTL3_CONFIG3_FUDUP)
104 ifmr->ifm_active |= IFM_FDX;
105 }
106
107 /* Set NIC to page 0 registers. */
108 NIC_PUT(sc->sc_regt, sc->sc_regh, ED_P0_CR, cr_proto | ED_CR_PAGE_0);
109 }
110
111 void
112 rtl80x9_init_card(sc)
113 struct dp8390_softc *sc;
114 {
115 struct ifmedia *ifm = &sc->sc_media;
116 struct ifnet *ifp = &sc->sc_ec.ec_if;
117 u_int8_t cr_proto = sc->cr_proto |
118 ((ifp->if_flags & IFF_RUNNING) ? ED_CR_STA : ED_CR_STP);
119 u_int8_t reg;
120
121 /* Set NIC to page 3 registers. */
122 NIC_PUT(sc->sc_regt, sc->sc_regh, ED_P0_CR, cr_proto | ED_CR_PAGE_3);
123
124 /* write enable config1-3. */
125 NIC_PUT(sc->sc_regt, sc->sc_regh, NERTL_RTL3_EECR,
126 RTL3_EECR_EEM1|RTL3_EECR_EEM0);
127
128 /* First, set basic media type. */
129 reg = NIC_GET(sc->sc_regt, sc->sc_regh, NERTL_RTL3_CONFIG2);
130 reg &= ~(RTL3_CONFIG2_PL1|RTL3_CONFIG2_PL0);
131 switch (IFM_SUBTYPE(ifm->ifm_cur->ifm_media)) {
132 case IFM_AUTO:
133 /* Nothing to do; both bits clear == auto-detect. */
134 break;
135
136 case IFM_10_T:
137 /*
138 * According to docs, this should be:
139 * reg |= RTL3_CONFIG2_PL0;
140 * but this doesn't work, so make it the same as AUTO.
141 */
142 break;
143
144 case IFM_10_2:
145 reg |= RTL3_CONFIG2_PL1|RTL3_CONFIG2_PL0;
146 break;
147 }
148 NIC_PUT(sc->sc_regt, sc->sc_regh, NERTL_RTL3_CONFIG2, reg);
149
150 /* Now, set duplex mode. */
151 reg = NIC_GET(sc->sc_regt, sc->sc_regh, NERTL_RTL3_CONFIG3);
152 if (ifm->ifm_cur->ifm_media & IFM_FDX)
153 reg |= RTL3_CONFIG3_FUDUP;
154 else
155 reg &= ~RTL3_CONFIG3_FUDUP;
156 NIC_PUT(sc->sc_regt, sc->sc_regh, NERTL_RTL3_CONFIG3, reg);
157
158 /* write disable config1-3 */
159 NIC_PUT(sc->sc_regt, sc->sc_regh, NERTL_RTL3_EECR, 0);
160
161 /* Set NIC to page 0 registers. */
162 NIC_PUT(sc->sc_regt, sc->sc_regh, ED_P0_CR, cr_proto | ED_CR_PAGE_0);
163 }
164
165 void
166 rtl80x9_media_init(sc)
167 struct dp8390_softc *sc;
168 {
169 static int rtl80x9_media[] = {
170 IFM_ETHER|IFM_AUTO,
171 IFM_ETHER|IFM_10_T,
172 IFM_ETHER|IFM_10_T|IFM_FDX,
173 IFM_ETHER|IFM_10_2,
174 };
175 static const int rtl80x9_nmedia =
176 sizeof(rtl80x9_media) / sizeof(rtl80x9_media[0]);
177
178 int i, defmedia;
179 u_int8_t conf2, conf3;
180
181 printf("%s: 10base2, 10baseT, 10baseT-FDX, auto, default ",
182 sc->sc_dev.dv_xname);
183
184 bus_space_write_1(sc->sc_regt, sc->sc_regh, ED_P0_CR, ED_CR_PAGE_3);
185
186 conf2 = bus_space_read_1(sc->sc_regt, sc->sc_regh, NERTL_RTL3_CONFIG2);
187 conf3 = bus_space_read_1(sc->sc_regt, sc->sc_regh, NERTL_RTL3_CONFIG3);
188 printf("[0x%02x 0x%02x] ", conf2, conf3);
189
190 conf2 &= RTL3_CONFIG2_PL1|RTL3_CONFIG2_PL0;
191
192 switch (conf2) {
193 default:
194 defmedia = IFM_ETHER|IFM_AUTO;
195 printf("auto\n");
196 break;
197
198 case RTL3_CONFIG2_PL1|RTL3_CONFIG2_PL0:
199 case RTL3_CONFIG2_PL1: /* XXX rtl docs sys 10base5, but chip cant do */
200 defmedia = IFM_ETHER|IFM_10_2;
201 printf("10base2\n");
202 break;
203
204 case RTL3_CONFIG2_PL0:
205 if (conf3 & RTL3_CONFIG3_FUDUP) {
206 defmedia = IFM_ETHER|IFM_10_T|IFM_FDX;
207 printf("10baseT-FDX\n");
208 } else {
209 defmedia = IFM_ETHER|IFM_10_T;
210 printf("10baseT\n");
211 }
212 break;
213 }
214
215 bus_space_write_1(sc->sc_regt, sc->sc_regh, ED_P0_CR, ED_CR_PAGE_0);
216
217 ifmedia_init(&sc->sc_media, 0, dp8390_mediachange, dp8390_mediastatus);
218 for (i = 0; i < rtl80x9_nmedia; i++)
219 ifmedia_add(&sc->sc_media, rtl80x9_media[i], 0, NULL);
220 ifmedia_set(&sc->sc_media, defmedia);
221 }
Cache object: 0141800e0264f1a4abd5034c28fc9a6b
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