miivar.h revision 1.17
1 /* $NetBSD: miivar.h,v 1.17 2000/03/06 20:56:57 thorpej Exp $ */ 2 3 /*- 4 * Copyright (c) 1998, 1999, 2000 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 datat structure 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 * This is a call back into the PHY driver made by a `status request'. 100 */ 101 typedef void (*mii_statusreq_t) __P((struct mii_softc *)); 102 103 /* 104 * Requests that can be made to the downcall. 105 */ 106 #define MII_TICK 1 /* once-per-second tick */ 107 #define MII_MEDIACHG 2 /* user changed media; perform the switch */ 108 #define MII_POLLSTAT 3 /* user requested media status; fill it in */ 109 #define MII_DOWN 4 /* interface is down */ 110 111 /* 112 * Each PHY driver's softc has one of these as the first member. 113 * XXX This would be better named "phy_softc", but this is the name 114 * XXX BSDI used, and we would like to have the same interface. 115 */ 116 struct mii_softc { 117 struct device mii_dev; /* generic device glue */ 118 119 LIST_ENTRY(mii_softc) mii_list; /* entry on parent's PHY list */ 120 121 int mii_phy; /* our MII address */ 122 int mii_offset; /* first PHY, second PHY, etc. */ 123 int mii_inst; /* instance for ifmedia */ 124 125 mii_downcall_t mii_service; /* our downcall */ 126 mii_statusreq_t mii_status; /* our status request fn */ 127 struct mii_data *mii_pdata; /* pointer to parent's mii_data */ 128 129 int mii_flags; /* misc. flags; see below */ 130 int mii_capabilities; /* capabilities from BMSR */ 131 int mii_ticks; /* MII_TICK counter */ 132 int mii_media_active; /* last active media */ 133 int mii_media_status; /* last active status */ 134 }; 135 typedef struct mii_softc mii_softc_t; 136 137 /* mii_flags */ 138 #define MIIF_INITDONE 0x0001 /* has been initialized (mii_data) */ 139 #define MIIF_NOISOLATE 0x0002 /* do not isolate the PHY */ 140 #define MIIF_NOLOOP 0x0004 /* no loopback capability */ 141 #define MIIF_DOINGAUTO 0x0008 /* doing autonegotiation (mii_softc) */ 142 143 #define MIIF_INHERIT_MASK (MIIF_NOISOLATE|MIIF_NOLOOP) 144 145 /* 146 * Special `locators' passed to mii_attach(). If one of these is not 147 * an `any' value, we look for *that* PHY and configure it. If both 148 * are not `any', that is an error, and mii_attach() will panic. 149 */ 150 #define MII_OFFSET_ANY -1 151 #define MII_PHY_ANY -1 152 153 /* 154 * Used to attach a PHY to a parent. 155 */ 156 struct mii_attach_args { 157 struct mii_data *mii_data; /* pointer to parent data */ 158 int mii_phyno; /* MII address */ 159 int mii_id1; /* PHY ID register 1 */ 160 int mii_id2; /* PHY ID register 2 */ 161 int mii_capmask; /* capability mask from BMSR */ 162 int mii_flags; /* flags from parent */ 163 }; 164 typedef struct mii_attach_args mii_attach_args_t; 165 166 /* 167 * An array of these structures map MII media types to BMCR/ANAR settings. 168 */ 169 struct mii_media { 170 int mm_bmcr; /* BMCR settings for this media */ 171 int mm_anar; /* ANAR settings for this media */ 172 }; 173 174 #define MII_MEDIA_NONE 0 175 #define MII_MEDIA_10_T 1 176 #define MII_MEDIA_10_T_FDX 2 177 #define MII_MEDIA_100_T4 3 178 #define MII_MEDIA_100_TX 4 179 #define MII_MEDIA_100_TX_FDX 5 180 #define MII_NMEDIA 6 181 182 #ifdef _KERNEL 183 #include "locators.h" 184 185 #define PHY_READ(p, r) \ 186 (*(p)->mii_pdata->mii_readreg)((p)->mii_dev.dv_parent, \ 187 (p)->mii_phy, (r)) 188 189 #define PHY_WRITE(p, r, v) \ 190 (*(p)->mii_pdata->mii_writereg)((p)->mii_dev.dv_parent, \ 191 (p)->mii_phy, (r), (v)) 192 193 void mii_attach __P((struct device *, struct mii_data *, int, int, 194 int, int)); 195 void mii_activate __P((struct mii_data *, enum devact, int, int)); 196 void mii_detach __P((struct mii_data *, int, int)); 197 198 int mii_mediachg __P((struct mii_data *)); 199 void mii_tick __P((struct mii_data *)); 200 void mii_pollstat __P((struct mii_data *)); 201 void mii_down __P((struct mii_data *)); 202 203 int mii_phy_activate __P((struct device *, enum devact)); 204 int mii_phy_detach __P((struct device *, int)); 205 206 void mii_phy_add_media __P((struct mii_softc *)); 207 void mii_phy_delete_media __P((struct mii_softc *)); 208 209 void mii_phy_setmedia __P((struct mii_softc *)); 210 int mii_phy_auto __P((struct mii_softc *, int)); 211 void mii_phy_reset __P((struct mii_softc *)); 212 void mii_phy_down __P((struct mii_softc *)); 213 int mii_phy_tick __P((struct mii_softc *)); 214 215 void mii_phy_status __P((struct mii_softc *)); 216 void mii_phy_update __P((struct mii_softc *, int)); 217 void mii_phy_statusmsg __P((struct mii_softc *)); 218 219 void ukphy_status __P((struct mii_softc *)); 220 #endif /* _KERNEL */ 221 222 #endif /* _DEV_MII_MIIVAR_H_ */ 223
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