tlphy.c revision 1.5 1 /* $NetBSD: tlphy.c,v 1.5 1998/01/12 09:28:54 thorpej Exp $ */
2
3 /*
4 * Copyright (c) 1997 Manuel Bouyer. All rights reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
8 * are met:
9 * 1. Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
14 * 3. All advertising materials mentioning features or use of this software
15 * must display the following acknowledgement:
16 * This product includes software developed by Manuel Bouyer.
17 * 4. The name of the author may not be used to endorse or promote products
18 * derived from this software without specific prior written permission.
19 *
20 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
21 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
22 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
23 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
24 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
25 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
26 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
27 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
28 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
29 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
30 */
31
32 /* Driver for Texas Instruments's ThunderLAN internal PHY */
33
34 #include <sys/param.h>
35 #include <sys/systm.h>
36 #include <sys/kernel.h>
37 #include <sys/device.h>
38 #include <sys/malloc.h>
39 #include <sys/proc.h>
40 #include <sys/socket.h>
41 #include <net/if.h>
42 #include <net/if_media.h>
43
44
45 #include <dev/mii/mii_adapter.h>
46 #include <dev/mii/mii_adapters_id.h>
47 #include <dev/mii/mii_phy.h>
48 #include <dev/mii/generic_phy.h>
49 #include <dev/mii/tlphy.h>
50
51 static int tlphy_up __P((struct phy_softc *sc));
52 void tlphy_pdown __P((void *v));
53 int tlphy_media_set __P((int, void *));
54 int tlphy_media_set_aui __P((struct phy_softc *));
55 int tlphy_status __P((int, void*));
56
57 #ifdef __BROKEN_INDIRECT_CONFIG
58 int tlphymatch __P((struct device *, void *, void *));
59 #else
60 int tlphymatch __P((struct device *, struct cfdata *, void *));
61 #endif
62 void tlphyattach __P((struct device *, struct device *, void *));
63
64 struct cfattach tlphy_ca = {
65 sizeof(struct phy_softc), tlphymatch, tlphyattach
66 };
67
68 int
69 tlphymatch(parent, match, aux)
70 struct device *parent;
71 #ifdef __BROKEN_INDIRECT_CONFIG
72 void *match;
73 #else
74 struct cfdata *match;
75 #endif
76 void *aux;
77 {
78 mii_phy_t *phy = aux;
79
80 if (phy->phy_id == 0x40005013 || phy->phy_id == 0x40005014 ||
81 phy->phy_id == 0x40005015)
82 return (1);
83 return (0);
84 }
85
86 void
87 tlphyattach(parent, self, aux)
88 struct device *parent, *self;
89 void *aux;
90 {
91 struct phy_softc *sc = (struct phy_softc *)self;
92
93 sc->phy_link = aux;
94 sc->phy_link->phy_softc = sc;
95 sc->phy_link->phy_media_set = tlphy_media_set;
96 sc->phy_link->phy_status = tlphy_status;
97 sc->phy_link->phy_pdown = tlphy_pdown;
98
99 phy_reset(sc);
100
101 switch (sc->phy_link->adapter_id) {
102 case COMPAQ_INT_NETLIGENT_10_100:
103 sc->phy_link->phy_media = PHY_BNC;
104 break;
105 case COMPAQ_NETLIGENT_10_100:
106 sc->phy_link->phy_media = 0;
107 break;
108 case COMPAQ_INT_NETFLEX:
109 case COMPAQ_NETFLEX_BNC:
110 sc->phy_link->phy_media = PHY_BNC | PHY_10baseT;
111 break;
112 case TI_TLAN:
113 sc->phy_link->phy_media = PHY_10baseT;
114 break;
115 default:
116 sc->phy_link->phy_media = PHY_AUI;
117 if (phy_media_probe(sc) != 0) {
118 printf(" (autoconfig failed)");
119 break;
120 }
121 }
122
123 if (sc->phy_link->phy_media) {
124 printf(": ");
125 phy_media_print(sc->phy_link->phy_media);
126 }
127 printf("\n");
128 }
129
130 void
131 tlphy_pdown(v)
132 void *v;
133 {
134 struct phy_softc *sc = v;
135 mii_phy_t *phy_link = sc->phy_link;
136
137 mii_writereg(phy_link->mii_softc, phy_link->dev, PHY_CONTROL,
138 CTRL_ISO | CTRL_PDOWN);
139 }
140
141 static int
142 tlphy_up(sc)
143 struct phy_softc *sc;
144 {
145 int s;
146 mii_phy_t *phy_link = sc->phy_link;
147 int control, i;
148
149 s = splnet();
150
151 /* set control registers to a reasonable value, wait for power_up */
152 mii_writereg(phy_link->mii_softc, phy_link->dev, PHY_CONTROL,
153 CTRL_LOOPBK);
154 mii_writereg(phy_link->mii_softc, phy_link->dev, PHY_TL_CTRL, 0);
155 i = 0;
156 do {
157 DELAY(100000);
158 control = mii_readreg(phy_link->mii_softc, phy_link->dev,
159 PHY_TL_ST);
160 } while ((control < 0 || (control & TL_ST_PHOK) == 0) && ++i < 10);
161 if (control < 0 || (control & TL_ST_PHOK) == 0) {
162 splx(s);
163 printf("%s: power-up failed\n", sc->sc_dev.dv_xname);
164 return (0);
165 }
166 if (phy_reset(sc) == 0) {
167 splx(s);
168 return (0);
169 }
170 splx(s);
171 return (1);
172 }
173
174 int
175 tlphy_media_set(media, v)
176 int media;
177 void *v;
178 {
179 struct phy_softc *sc = v;
180 int subtype;
181
182 if (IFM_TYPE(media) != IFM_ETHER)
183 return (EINVAL);
184
185 if (tlphy_up(sc) == 0)
186 return (EIO);
187
188 subtype = IFM_SUBTYPE(media);
189 switch (subtype) {
190 case IFM_10_2:
191 case IFM_10_5:
192 if ((subtype == IFM_10_2 &&
193 (sc->phy_link->phy_media & PHY_BNC)) ||
194 (subtype == IFM_10_5 &&
195 (sc->phy_link->phy_media & PHY_AUI)))
196 return (tlphy_media_set_aui(sc));
197 else
198 return (EINVAL);
199 case IFM_10_T:
200 return (phy_media_set_10_100(sc, media));
201 case IFM_AUTO:
202 return (ENODEV);
203 default:
204 return (EINVAL);
205 }
206 }
207
208 int
209 tlphy_media_set_aui(sc)
210 struct phy_softc *sc;
211 {
212 mii_phy_t *phy_link = sc->phy_link;
213
214 mii_writereg(phy_link->mii_softc, phy_link->dev,
215 PHY_CONTROL, 0);
216 mii_writereg(phy_link->mii_softc, phy_link->dev,
217 PHY_TL_CTRL, TL_CTRL_AUISEL);
218 DELAY(100000);
219 return (0);
220 }
221
222 int
223 tlphy_status(media, v)
224 int media;
225 void *v;
226 {
227 struct phy_softc *sc = v;
228 int reg;
229
230 if (IFM_SUBTYPE(media) == IFM_10_T)
231 return (phy_status(media, sc));
232 reg = mii_readreg(sc->phy_link->mii_softc, sc->phy_link->dev,
233 PHY_TL_ST);
234 if ((reg & PHY_TL_ST) == 0)
235 return (ENETDOWN);
236 return (0);
237 }
238