1/* $OpenBSD: mii.h,v 1.14 2015/07/18 20:38:44 yuo Exp $ */ 2/* $NetBSD: mii.h,v 1.8 2001/05/31 03:06:46 thorpej Exp $ */ 3 4/* 5 * Copyright (c) 1997 Manuel Bouyer. All rights reserved. 6 * 7 * Modification to match BSD/OS 3.0 MII interface by Jason R. Thorpe, 8 * Numerical Aerospace Simulation Facility, NASA Ames Research Center. 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 20 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 21 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 22 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 23 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 24 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 28 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 29 */ 30 31#ifndef _DEV_MII_MII_H_ 32#define _DEV_MII_MII_H_ 33 34/* 35 * Registers common to all PHYs. 36 */ 37 38#define MII_NPHY 32 /* max # of PHYs per MII */ 39 40/* 41 * MII commands, used if a device must drive the MII lines 42 * manually. 43 */ 44#define MII_COMMAND_START 0x01 45#define MII_COMMAND_READ 0x02 46#define MII_COMMAND_WRITE 0x01 47#define MII_COMMAND_ACK 0x02 48 49#define MII_BMCR 0x00 /* Basic mode control register (rw) */ 50#define BMCR_RESET 0x8000 /* reset */ 51#define BMCR_LOOP 0x4000 /* loopback */ 52#define BMCR_SPEED0 0x2000 /* speed selection (LSB) */ 53#define BMCR_AUTOEN 0x1000 /* autonegotiation enable */ 54#define BMCR_PDOWN 0x0800 /* power down */ 55#define BMCR_ISO 0x0400 /* isolate */ 56#define BMCR_STARTNEG 0x0200 /* restart autonegotiation */ 57#define BMCR_FDX 0x0100 /* Set duplex mode */ 58#define BMCR_CTEST 0x0080 /* collision test */ 59#define BMCR_SPEED1 0x0040 /* speed selection (MSB) */ 60 61#define BMCR_S10 0x0000 /* 10 Mb/s */ 62#define BMCR_S100 BMCR_SPEED0 /* 100 Mb/s */ 63#define BMCR_S1000 BMCR_SPEED1 /* 1000 Mb/s */ 64 65#define BMCR_SPEED(x) ((x) & (BMCR_SPEED0|BMCR_SPEED1)) 66 67#define MII_BMSR 0x01 /* Basic mode status register (ro) */ 68#define BMSR_100T4 0x8000 /* 100 base T4 capable */ 69#define BMSR_100TXFDX 0x4000 /* 100 base Tx full duplex capable */ 70#define BMSR_100TXHDX 0x2000 /* 100 base Tx half duplex capable */ 71#define BMSR_10TFDX 0x1000 /* 10 base T full duplex capable */ 72#define BMSR_10THDX 0x0800 /* 10 base T half duplex capable */ 73#define BMSR_MFPS 0x0040 /* MII Frame Preamble Suppression */ 74#define BMSR_100T2FDX 0x0400 /* 100 base T2 full duplex capable */ 75#define BMSR_100T2HDX 0x0200 /* 100 base T2 half duplex capable */ 76#define BMSR_EXTSTAT 0x0100 /* Extended status in register 15 */ 77#define BMSR_ACOMP 0x0020 /* Autonegotiation complete */ 78#define BMSR_RFAULT 0x0010 /* Link partner fault */ 79#define BMSR_ANEG 0x0008 /* Autonegotiation capable */ 80#define BMSR_LINK 0x0004 /* Link status */ 81#define BMSR_JABBER 0x0002 /* Jabber detected */ 82#define BMSR_EXTCAP 0x0001 /* Extended capability */ 83 84/* 85 * Note that the EXTSTAT bit indicates that there is extended status 86 * info available in register 15, but 802.3 section 22.2.4.3 also 87 * states that all 1000 Mb/s capable PHYs will set this bit to 1. 88 */ 89 90#define BMSR_MEDIAMASK (BMSR_100T4|BMSR_100TXFDX|BMSR_100TXHDX| \ 91 BMSR_10TFDX|BMSR_10THDX|BMSR_100T2FDX|BMSR_100T2HDX) 92 93/* 94 * Convert BMSR media capabilities to ANAR bits for autonegotiation. 95 * Note the shift chopps off the BMSR_ANEG bit. 96 */ 97#define BMSR_MEDIA_TO_ANAR(x) (((x) & BMSR_MEDIAMASK) >> 6) 98 99#define MII_PHYIDR1 0x02 /* ID register 1 (ro) */ 100 101#define MII_PHYIDR2 0x03 /* ID register 2 (ro) */ 102#define IDR2_OUILSB 0xfc00 /* OUI LSB */ 103#define IDR2_MODEL 0x03f0 /* vendor model */ 104#define IDR2_REV 0x000f /* vendor revision */ 105 106#define MII_ANAR 0x04 /* Autonegotiation advertisement (rw) */ 107 /* section 28.2.4.1 and 37.2.6.1 */ 108#define ANAR_NP 0x8000 /* Next page (ro) */ 109#define ANAR_ACK 0x4000 /* link partner abilities acknowledged (ro) */ 110#define ANAR_RF 0x2000 /* remote fault (ro) */ 111#define ANAR_FC 0x0400 /* local device supports PAUSE */ 112#define ANAR_T4 0x0200 /* local device supports 100bT4 */ 113#define ANAR_TX_FD 0x0100 /* local device supports 100bTx FD */ 114#define ANAR_TX 0x0080 /* local device supports 100bTx */ 115#define ANAR_10_FD 0x0040 /* local device supports 10bT FD */ 116#define ANAR_10 0x0020 /* local device supports 10bT */ 117#define ANAR_CSMA 0x0001 /* protocol selector CSMA/CD */ 118#define ANAR_PAUSE_NONE (0 << 10) 119#define ANAR_PAUSE_SYM (1 << 10) 120#define ANAR_PAUSE_ASYM (2 << 10) 121#define ANAR_PAUSE_TOWARDS (3 << 10) 122 123#define ANAR_X_FD 0x0020 /* local device supports 1000BASE-X FD */ 124#define ANAR_X_HD 0x0040 /* local device supports 1000BASE-X HD */ 125#define ANAR_X_PAUSE_NONE (0 << 7) 126#define ANAR_X_PAUSE_SYM (1 << 7) 127#define ANAR_X_PAUSE_ASYM (2 << 7) 128#define ANAR_X_PAUSE_TOWARDS (3 << 7) 129 130#define MII_ANLPAR 0x05 /* Autonegotiation lnk partner abilities (rw) */ 131 /* section 28.2.4.1 and 37.2.6.1 */ 132#define ANLPAR_NP 0x8000 /* Next page (ro) */ 133#define ANLPAR_ACK 0x4000 /* link partner accepted ACK (ro) */ 134#define ANLPAR_RF 0x2000 /* remote fault (ro) */ 135#define ANLPAR_FC 0x0400 /* link partner supports PAUSE */ 136#define ANLPAR_T4 0x0200 /* link partner supports 100bT4 */ 137#define ANLPAR_TX_FD 0x0100 /* link partner supports 100bTx FD */ 138#define ANLPAR_TX 0x0080 /* link partner supports 100bTx */ 139#define ANLPAR_10_FD 0x0040 /* link partner supports 10bT FD */ 140#define ANLPAR_10 0x0020 /* link partner supports 10bT */ 141#define ANLPAR_CSMA 0x0001 /* protocol selector CSMA/CD */ 142#define ANLPAR_PAUSE_MASK (3 << 10) 143#define ANLPAR_PAUSE_NONE (0 << 10) 144#define ANLPAR_PAUSE_SYM (1 << 10) 145#define ANLPAR_PAUSE_ASYM (2 << 10) 146#define ANLPAR_PAUSE_TOWARDS (3 << 10) 147 148#define ANLPAR_X_FD 0x0020 /* local device supports 1000BASE-X FD */ 149#define ANLPAR_X_HD 0x0040 /* local device supports 1000BASE-X HD */ 150#define ANLPAR_X_PAUSE_MASK (3 << 7) 151#define ANLPAR_X_PAUSE_NONE (0 << 7) 152#define ANLPAR_X_PAUSE_SYM (1 << 7) 153#define ANLPAR_X_PAUSE_ASYM (2 << 7) 154#define ANLPAR_X_PAUSE_TOWARDS (3 << 7) 155 156#define MII_ANER 0x06 /* Autonegotiation expansion (ro) */ 157 /* section 28.2.4.1 and 37.2.6.1 */ 158#define ANER_MLF 0x0010 /* multiple link detection fault */ 159#define ANER_LPNP 0x0008 /* link parter next page-able */ 160#define ANER_NP 0x0004 /* next page-able */ 161#define ANER_PAGE_RX 0x0002 /* Page received */ 162#define ANER_LPAN 0x0001 /* link parter autoneg-able */ 163 164#define MII_ANNP 0x07 /* Autonegotiation next page */ 165 /* section 28.2.4.1 and 37.2.6.1 */ 166 167#define MII_ANLPRNP 0x08 /* Autonegotiation link partner rx next page */ 168 /* section 32.5.1 and 37.2.6.1 */ 169 170 /* This is also the 1000baseT control register */ 171#define MII_100T2CR 0x09 /* 100base-T2 control register */ 172#define GTCR_TEST_MASK 0xe000 /* see 802.3ab ss. 40.6.1.1.2 */ 173#define GTCR_MAN_MS 0x1000 /* enable manual master/slave control */ 174#define GTCR_ADV_MS 0x0800 /* 1 = adv. master, 0 = adv. slave */ 175#define GTCR_PORT_TYPE 0x0400 /* 1 = DCE, 0 = DTE (NIC) */ 176#define GTCR_ADV_1000TFDX 0x0200 /* adv. 1000baseT FDX */ 177#define GTCR_ADV_1000THDX 0x0100 /* adv. 1000baseT HDX */ 178 179 /* This is also the 1000baseT status register */ 180#define MII_100T2SR 0x0a /* 100base-T2 status register */ 181#define GTSR_MAN_MS_FLT 0x8000 /* master/slave config fault */ 182#define GTSR_MS_RES 0x4000 /* result: 1 = master, 0 = slave */ 183#define GTSR_LRS 0x2000 /* local rx status, 1 = ok */ 184#define GTSR_RRS 0x1000 /* remove rx status, 1 = ok */ 185#define GTSR_LP_1000TFDX 0x0800 /* link partner 1000baseT FDX capable */ 186#define GTSR_LP_1000THDX 0x0400 /* link partner 1000baseT HDX capable */ 187#define GTSR_LP_ASM_DIR 0x0200 /* link partner asym. pause dir. capable */ 188#define GTSR_IDLE_ERR 0x00ff /* IDLE error count */ 189 190#define MII_PSECR 0x0b /* PSE control register */ 191#define PSECR_PACTLMASK 0x000c /* pair control mask */ 192#define PSECR_PSEENMASK 0x0003 /* PSE enable mask */ 193#define PSECR_PINOUTB 0x0008 /* PSE pinout Alternative B */ 194#define PSECR_PINOUTA 0x0004 /* PSE pinout Alternative A */ 195#define PSECR_FOPOWTST 0x0002 /* Force Power Test Mode */ 196#define PSECR_PSEEN 0x0001 /* PSE Enabled */ 197#define PSECR_PSEDIS 0x0000 /* PSE Disabled */ 198 199#define MII_PSESR 0x0c /* PSE status register */ 200#define PSESR_PWRDENIED 0x1000 /* Power Denied */ 201#define PSESR_VALSIG 0x0800 /* Valid PD signature detected */ 202#define PSESR_INVALSIG 0x0400 /* Invalid PD signature detected */ 203#define PSESR_SHORTCIRC 0x0200 /* Short circuit condition detected */ 204#define PSESR_OVERLOAD 0x0100 /* Overload condition detected */ 205#define PSESR_MPSABSENT 0x0080 /* MPS absent condition detected */ 206#define PSESR_PDCLMASK 0x0070 /* PD Class mask */ 207#define PSESR_STATMASK 0x000e /* PSE Status mask */ 208#define PSESR_PAIRCTABL 0x0001 /* PAIR Control Ability */ 209#define PSESR_PDCL_4 (4 << 4) /* Class 4 */ 210#define PSESR_PDCL_3 (3 << 4) /* Class 3 */ 211#define PSESR_PDCL_2 (2 << 4) /* Class 2 */ 212#define PSESR_PDCL_1 (1 << 4) /* Class 1 */ 213#define PSESR_PDCL_0 (0 << 4) /* Class 0 */ 214 215#define MII_MMDACR 0x0d /* MMD access control register */ 216#define MMDACR_FUNCMASK 0xc000 /* function */ 217#define MMDACR_DADDRMASK 0x001f /* device address */ 218#define MMDACR_FN_ADDRESS (0 << 14) /* address */ 219#define MMDACR_FN_DATANPI (1 << 14) /* data, no post increment */ 220#define MMDACR_FN_DATAPIRW (2 << 14) /* data, post increment on r/w */ 221#define MMDACR_FN_DATAPIW (3 << 14) /* data, post increment on wr only */ 222 223#define MII_MMDAADR 0x0e /* MMD access address data register */ 224 225#define MII_EXTSR 0x0f /* Extended status register */ 226#define EXTSR_1000XFDX 0x8000 /* 1000X full-duplex capable */ 227#define EXTSR_1000XHDX 0x4000 /* 1000X half-duplex capable */ 228#define EXTSR_1000TFDX 0x2000 /* 1000T full-duplex capable */ 229#define EXTSR_1000THDX 0x1000 /* 1000T half-duplex capable */ 230 231#define EXTSR_MEDIAMASK (EXTSR_1000XFDX|EXTSR_1000XHDX| \ 232 EXTSR_1000TFDX|EXTSR_1000THDX) 233 234#endif /* _DEV_MII_MII_H_ */ 235