1 /* $NetBSD: mii.h,v 1.1 1998/08/10 23:55:17 thorpej Exp $ */ 2 3 /* 4 * Copyright (c) 1997 Manuel Bouyer. All rights reserved. 5 * 6 * Modification to match BSD/OS 3.0 MII interface by Jason R. Thorpe, 7 * Numerical Aerospace Simulation Facility, NASA Ames Research Center. 8 * 9 * Redistribution and use in source and binary forms, with or without 10 * modification, are permitted provided that the following conditions 11 * are met: 12 * 1. Redistributions of source code must retain the above copyright 13 * notice, this list of conditions and the following disclaimer. 14 * 2. Redistributions in binary form must reproduce the above copyright 15 * notice, this list of conditions and the following disclaimer in the 16 * documentation and/or other materials provided with the distribution. 17 * 3. All advertising materials mentioning features or use of this software 18 * must display the following acknowledgement: 19 * This product includes software developed by Manuel Bouyer. 20 * 4. The name of the author may not be used to endorse or promote products 21 * derived from this software without specific prior written permission. 22 * 23 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 24 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 25 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 26 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 27 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 28 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 29 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 30 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 31 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 32 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 33 * 34 * $FreeBSD: src/sys/dev/mii/mii.h,v 1.2 1999/08/28 00:42:14 peter Exp $ 35 */ 36 37 #ifndef _DEV_MII_MII_H_ 38 #define _DEV_MII_MII_H_ 39 40 /* 41 * Registers common to all PHYs. 42 */ 43 44 #define MII_NPHY 32 /* max # of PHYs per MII */ 45 46 /* 47 * MII commands, used if a device must drive the MII lines 48 * manually. 49 */ 50 #define MII_COMMAND_START 0x01 51 #define MII_COMMAND_READ 0x02 52 #define MII_COMMAND_WRITE 0x01 53 #define MII_COMMAND_ACK 0x02 54 55 #define MII_BMCR 0x00 /* Basic mode control register (rw) */ 56 #define BMCR_RESET 0x8000 /* reset */ 57 #define BMCR_LOOP 0x4000 /* loopback */ 58 #define BMCR_S100 0x2000 /* speed (10/100) select */ 59 #define BMCR_AUTOEN 0x1000 /* autonegotiation enable */ 60 #define BMCR_PDOWN 0x0800 /* power down */ 61 #define BMCR_ISO 0x0400 /* isolate */ 62 #define BMCR_STARTNEG 0x0200 /* restart autonegotiation */ 63 #define BMCR_FDX 0x0100 /* Set duplex mode */ 64 #define BMCR_CTEST 0x0080 /* collision test */ 65 66 #define MII_BMSR 0x01 /* Basic mode status register (ro) */ 67 #define BMSR_100T4 0x8000 /* 100 base T4 capable */ 68 #define BMSR_100TXFDX 0x4000 /* 100 base Tx full duplex capable */ 69 #define BMSR_100TXHDX 0x2000 /* 100 base Tx half duplex capable */ 70 #define BMSR_10TFDX 0x1000 /* 10 base T full duplex capable */ 71 #define BMSR_10THDX 0x0800 /* 10 base T half duplex capable */ 72 #define BMSR_ACOMP 0x0020 /* Autonegotiation complete */ 73 #define BMSR_RFAULT 0x0010 /* Link partner fault */ 74 #define BMSR_ANEG 0x0008 /* Autonegotiation capable */ 75 #define BMSR_LINK 0x0004 /* Link status */ 76 #define BMSR_JABBER 0x0002 /* Jabber detected */ 77 #define BMSR_EXT 0x0001 /* Extended capability */ 78 79 #define BMSR_MEDIAMASK (BMSR_100T4|BMSR_100TXFDX|BMSR_100TXHDX|BMSR_10TFDX| \ 80 BMSR_10THDX|BMSR_ANEG) 81 82 /* 83 * Convert BMSR media capabilities to ANAR bits for autonegotiation. 84 * Note the shift chopps off the BMSR_ANEG bit. 85 */ 86 #define BMSR_MEDIA_TO_ANAR(x) (((x) & BMSR_MEDIAMASK) >> 6) 87 88 #define MII_PHYIDR1 0x02 /* ID register 1 (ro) */ 89 90 #define MII_PHYIDR2 0x03 /* ID register 2 (ro) */ 91 #define IDR2_OUILSB 0xfc00 /* OUI LSB */ 92 #define IDR2_MODEL 0x03f0 /* vendor model */ 93 #define IDR2_REV 0x000f /* vendor revision */ 94 95 #define MII_OUI(id1, id2) (((id1) << 6) | ((id2) >> 10)) 96 #define MII_MODEL(id2) (((id2) & IDR2_MODEL) >> 4) 97 #define MII_REV(id2) ((id2) & IDR2_REV) 98 99 #define MII_ANAR 0x04 /* Autonegotiation advertisement (rw) */ 100 #define ANAR_NP 0x8000 /* Next page (ro) */ 101 #define ANAR_ACK 0x4000 /* link partner abilities acknowledged (ro) */ 102 #define ANAR_RF 0x2000 /* remote fault (ro) */ 103 #define ANAR_T4 0x0200 /* local device supports 100bT4 */ 104 #define ANAR_TX_FD 0x0100 /* local device supports 100bTx FD */ 105 #define ANAR_TX 0x0080 /* local device supports 100bTx */ 106 #define ANAR_10_FD 0x0040 /* local device supports 10bT FD */ 107 #define ANAR_10 0x0020 /* local device supports 10bT */ 108 #define ANAR_CSMA 0x0001 /* protocol selector CSMA/CD */ 109 110 #define MII_ANLPAR 0x05 /* Autonegotiation lnk partner abilities (rw) */ 111 #define ANLPAR_NP 0x8000 /* Next page (ro) */ 112 #define ANLPAR_ACK 0x4000 /* link partner accepted ACK (ro) */ 113 #define ANLPAR_RF 0x2000 /* remote fault (ro) */ 114 #define ANLPAR_T4 0x0200 /* link partner supports 100bT4 */ 115 #define ANLPAR_TX_FD 0x0100 /* link partner supports 100bTx FD */ 116 #define ANLPAR_TX 0x0080 /* link partner supports 100bTx */ 117 #define ANLPAR_10_FD 0x0040 /* link partner supports 10bT FD */ 118 #define ANLPAR_10 0x0020 /* link partner supports 10bT */ 119 #define ANLPAR_CSMA 0x0001 /* protocol selector CSMA/CD */ 120 121 #define MII_ANER 0x06 /* Autonegotiation expansion (ro) */ 122 #define ANER_MLF 0x0010 /* multiple link detection fault */ 123 #define ANER_LPNP 0x0008 /* link parter next page-able */ 124 #define ANER_NP 0x0004 /* next page-able */ 125 #define ANER_PAGE_RX 0x0002 /* Page received */ 126 #define ANER_LPAN 0x0001 /* link parter autoneg-able */ 127 128 #endif /* _DEV_MII_MII_H_ */ 129