miivar.h revision 1.14
1 /* $NetBSD: miivar.h,v 1.14 2000/02/02 08:05:33 thorpej Exp $ */ 2 3 /*- 4 * Copyright (c) 1998, 1999 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 #ifndef _DEV_MII_MIIVAR_H_ 41 #define _DEV_MII_MIIVAR_H_ 42 43 #include <sys/queue.h> 44 45 /* 46 * Media Independent Interface autoconfiguration defintions. 47 */ 48 49 struct mii_softc; 50 51 /* 52 * Callbacks from MII layer into network interface device driver. 53 */ 54 typedef int (*mii_readreg_t) __P((struct device *, int, int)); 55 typedef void (*mii_writereg_t) __P((struct device *, int, int, int)); 56 typedef void (*mii_statchg_t) __P((struct device *)); 57 58 /* 59 * A network interface driver has one of these structures in its softc. 60 * It is the interface from the network interface driver to the MII 61 * layer. 62 */ 63 struct mii_data { 64 struct ifmedia mii_media; /* media information */ 65 struct ifnet *mii_ifp; /* pointer back to network interface */ 66 67 int mii_flags; /* misc. flags; see below */ 68 69 /* 70 * For network interfaces with multiple PHYs, a list of all 71 * PHYs is required so they can all be notified when a media 72 * request is made. 73 */ 74 LIST_HEAD(mii_listhead, mii_softc) mii_phys; 75 int mii_instance; 76 77 /* 78 * PHY driver fills this in with active media status. 79 */ 80 int mii_media_status; 81 int mii_media_active; 82 83 /* 84 * Calls from MII layer into network interface driver. 85 */ 86 mii_readreg_t mii_readreg; 87 mii_writereg_t mii_writereg; 88 mii_statchg_t mii_statchg; 89 }; 90 typedef struct mii_data mii_data_t; 91 92 /* 93 * This call is used by the MII layer to call into the PHY driver 94 * to perform a `service request'. 95 */ 96 typedef int (*mii_downcall_t) __P((struct mii_softc *, struct mii_data *, int)); 97 98 /* 99 * Requests that can be made to the downcall. 100 */ 101 #define MII_TICK 1 /* once-per-second tick */ 102 #define MII_MEDIACHG 2 /* user changed media; perform the switch */ 103 #define MII_POLLSTAT 3 /* user requested media status; fill it in */ 104 #define MII_DOWN 4 /* interface is down */ 105 106 /* 107 * Each PHY driver's softc has one of these as the first member. 108 * XXX This would be better named "phy_softc", but this is the name 109 * XXX BSDI used, and we would like to have the same interface. 110 */ 111 struct mii_softc { 112 struct device mii_dev; /* generic device glue */ 113 114 LIST_ENTRY(mii_softc) mii_list; /* entry on parent's PHY list */ 115 116 int mii_phy; /* our MII address */ 117 int mii_offset; /* first PHY, second PHY, etc. */ 118 int mii_inst; /* instance for ifmedia */ 119 120 mii_downcall_t mii_service; /* our downcall */ 121 struct mii_data *mii_pdata; /* pointer to parent's mii_data */ 122 123 int mii_flags; /* misc. flags; see below */ 124 int mii_capabilities; /* capabilities from BMSR */ 125 int mii_ticks; /* MII_TICK counter */ 126 int mii_active; /* last active media */ 127 }; 128 typedef struct mii_softc mii_softc_t; 129 130 /* mii_flags */ 131 #define MIIF_INITDONE 0x0001 /* has been initialized (mii_data) */ 132 #define MIIF_NOISOLATE 0x0002 /* do not isolate the PHY */ 133 #define MIIF_NOLOOP 0x0004 /* no loopback capability */ 134 #define MIIF_DOINGAUTO 0x0008 /* doing autonegotiation (mii_softc) */ 135 136 #define MIIF_INHERIT_MASK (MIIF_NOISOLATE|MIIF_NOLOOP) 137 138 /* 139 * Special `locators' passed to mii_attach(). If one of these is not 140 * an `any' value, we look for *that* PHY and configure it. If both 141 * are not `any', that is an error, and mii_attach() will panic. 142 */ 143 #define MII_OFFSET_ANY -1 144 #define MII_PHY_ANY -1 145 146 /* 147 * Used to attach a PHY to a parent. 148 */ 149 struct mii_attach_args { 150 struct mii_data *mii_data; /* pointer to parent data */ 151 int mii_phyno; /* MII address */ 152 int mii_id1; /* PHY ID register 1 */ 153 int mii_id2; /* PHY ID register 2 */ 154 int mii_capmask; /* capability mask from BMSR */ 155 }; 156 typedef struct mii_attach_args mii_attach_args_t; 157 158 /* 159 * An array of these structures map MII media types to BMCR/ANAR settings. 160 */ 161 struct mii_media { 162 int mm_bmcr; /* BMCR settings for this media */ 163 int mm_anar; /* ANAR settings for this media */ 164 }; 165 166 #define MII_MEDIA_NONE 0 167 #define MII_MEDIA_10_T 1 168 #define MII_MEDIA_10_T_FDX 2 169 #define MII_MEDIA_100_T4 3 170 #define MII_MEDIA_100_TX 4 171 #define MII_MEDIA_100_TX_FDX 5 172 #define MII_NMEDIA 6 173 174 #ifdef _KERNEL 175 #include "locators.h" 176 177 #define PHY_READ(p, r) \ 178 (*(p)->mii_pdata->mii_readreg)((p)->mii_dev.dv_parent, \ 179 (p)->mii_phy, (r)) 180 181 #define PHY_WRITE(p, r, v) \ 182 (*(p)->mii_pdata->mii_writereg)((p)->mii_dev.dv_parent, \ 183 (p)->mii_phy, (r), (v)) 184 185 void mii_attach __P((struct device *, struct mii_data *, int, int, int)); 186 void mii_activate __P((struct mii_data *, enum devact, int, int)); 187 void mii_detach __P((struct mii_data *, int, int)); 188 189 int mii_mediachg __P((struct mii_data *)); 190 void mii_tick __P((struct mii_data *)); 191 void mii_pollstat __P((struct mii_data *)); 192 void mii_down __P((struct mii_data *)); 193 194 int mii_phy_activate __P((struct device *, enum devact)); 195 int mii_phy_detach __P((struct device *, int)); 196 197 void mii_phy_add_media __P((struct mii_softc *)); 198 void mii_phy_delete_media __P((struct mii_softc *)); 199 200 void mii_phy_setmedia __P((struct mii_softc *)); 201 int mii_phy_auto __P((struct mii_softc *, int)); 202 void mii_phy_reset __P((struct mii_softc *)); 203 void mii_phy_down __P((struct mii_softc *)); 204 205 void ukphy_status __P((struct mii_softc *)); 206 #endif /* _KERNEL */ 207 208 #endif /* _DEV_MII_MIIVAR_H_ */ 209
Indexes created Tue Sep 30 11:09:46 GMT 2025