1 /* $NetBSD: nsphy.c,v 1.2 1997/11/17 09:02:27 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 /* 33 * driver for National Semiconductor's DP83840A ethernet 10/100 PHY 34 * Data Sheet available from www.national.com 35 */ 36 37 #include <sys/param.h> 38 #include <sys/systm.h> 39 #include <sys/kernel.h> 40 #include <sys/device.h> 41 #include <sys/malloc.h> 42 #include <sys/proc.h> 43 #include <sys/socket.h> 44 #include <net/if.h> 45 #include <net/if_media.h> 46 47 48 #include <dev/mii/mii_adapter.h> 49 #include <dev/mii/mii_adapters_id.h> 50 #include <dev/mii/mii_phy.h> 51 #include <dev/mii/generic_phy.h> 52 53 void nsphy_pdown __P((void *v)); 54 int nsphy_media_set __P((int, void *)); 55 56 #ifdef __BROKEN_INDIRECT_CONFIG 57 int nsphymatch __P((struct device *, void *, void *)); 58 #else 59 int nsphymatch __P((struct device *, struct cfdata *, void *)); 60 #endif 61 void nsphyattach __P((struct device *, struct device *, void *)); 62 63 struct cfattach nsphy_ca = { 64 sizeof(struct phy_softc), nsphymatch, nsphyattach 65 }; 66 67 struct cfdriver nsphy_cd = { 68 NULL, "nsphy", DV_IFNET 69 }; 70 71 int 72 nsphymatch(parent, match, aux) 73 struct device *parent; 74 #ifdef __BROKEN_INDIRECT_CONFIG 75 void *match; 76 #else 77 struct cfdata *match; 78 #endif 79 void *aux; 80 { 81 mii_phy_t *phy = aux; 82 83 if (phy->phy_id == 0x20005c01) 84 return 1; 85 return 0; 86 } 87 88 void 89 nsphyattach(parent, self, aux) 90 struct device *parent, *self; 91 void *aux; 92 { 93 struct phy_softc *sc = (struct phy_softc *)self; 94 95 sc->phy_link = aux; 96 sc->phy_link->phy_softc = sc; 97 sc->phy_link->phy_media_set = nsphy_media_set; 98 sc->phy_link->phy_status = phy_status; 99 sc->phy_link->phy_pdown = nsphy_pdown; 100 101 phy_reset(sc); 102 103 sc->phy_link->phy_media = 0; 104 if (phy_media_probe(sc) != 0) { 105 printf(": autoconfig failed\n"); 106 return; 107 } 108 printf(": "); 109 phy_media_print(sc->phy_link->phy_media); 110 printf("\n"); 111 } 112 113 void 114 nsphy_pdown(v) 115 void *v; 116 { 117 struct phy_softc *sc = v; 118 mii_phy_t *phy_link = sc->phy_link; 119 120 mii_writereg(phy_link->mii_softc, phy_link->dev, PHY_CONTROL, 121 CTRL_ISO); 122 } 123 124 int 125 nsphy_media_set(media, v) 126 int media; 127 void *v; 128 { 129 struct phy_softc *sc = v; 130 int subtype; 131 132 if (IFM_TYPE(media) != IFM_ETHER) 133 return (EINVAL); 134 135 if (phy_reset(sc) == 0) 136 return (EIO); 137 138 subtype = IFM_SUBTYPE(media); 139 switch (subtype) { 140 case IFM_10_2: 141 case IFM_10_5: 142 return (EINVAL); 143 case IFM_10_T: 144 case IFM_100_TX: 145 case IFM_100_T4: 146 return (phy_media_set_10_100(sc, media)); 147 case IFM_AUTO: 148 return (ENODEV); 149 default: 150 return (EINVAL); 151 } 152 } 153