Annotation of sys/dev/mii/mii.h, Revision 1.1
1.1 ! nbrk 1: /* $OpenBSD: mii.h,v 1.11 2007/02/10 22:36:18 kettenis 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: * 3. All advertising materials mentioning features or use of this software
! 19: * must display the following acknowledgement:
! 20: * This product includes software developed by Manuel Bouyer.
! 21: * 4. The name of the author may not be used to endorse or promote products
! 22: * derived from this software without specific prior written permission.
! 23: *
! 24: * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
! 25: * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
! 26: * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
! 27: * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
! 28: * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
! 29: * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
! 30: * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
! 31: * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
! 32: * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
! 33: * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
! 34: */
! 35:
! 36: #ifndef _DEV_MII_MII_H_
! 37: #define _DEV_MII_MII_H_
! 38:
! 39: /*
! 40: * Registers common to all PHYs.
! 41: */
! 42:
! 43: #define MII_NPHY 32 /* max # of PHYs per MII */
! 44:
! 45: /*
! 46: * MII commands, used if a device must drive the MII lines
! 47: * manually.
! 48: */
! 49: #define MII_COMMAND_START 0x01
! 50: #define MII_COMMAND_READ 0x02
! 51: #define MII_COMMAND_WRITE 0x01
! 52: #define MII_COMMAND_ACK 0x02
! 53:
! 54: #define MII_BMCR 0x00 /* Basic mode control register (rw) */
! 55: #define BMCR_RESET 0x8000 /* reset */
! 56: #define BMCR_LOOP 0x4000 /* loopback */
! 57: #define BMCR_SPEED0 0x2000 /* speed selection (LSB) */
! 58: #define BMCR_AUTOEN 0x1000 /* autonegotiation enable */
! 59: #define BMCR_PDOWN 0x0800 /* power down */
! 60: #define BMCR_ISO 0x0400 /* isolate */
! 61: #define BMCR_STARTNEG 0x0200 /* restart autonegotiation */
! 62: #define BMCR_FDX 0x0100 /* Set duplex mode */
! 63: #define BMCR_CTEST 0x0080 /* collision test */
! 64: #define BMCR_SPEED1 0x0040 /* speed selection (MSB) */
! 65:
! 66: #define BMCR_S10 0x0000 /* 10 Mb/s */
! 67: #define BMCR_S100 BMCR_SPEED0 /* 100 Mb/s */
! 68: #define BMCR_S1000 BMCR_SPEED1 /* 1000 Mb/s */
! 69:
! 70: #define BMCR_SPEED(x) ((x) & (BMCR_SPEED0|BMCR_SPEED1))
! 71:
! 72: #define MII_BMSR 0x01 /* Basic mode status register (ro) */
! 73: #define BMSR_100T4 0x8000 /* 100 base T4 capable */
! 74: #define BMSR_100TXFDX 0x4000 /* 100 base Tx full duplex capable */
! 75: #define BMSR_100TXHDX 0x2000 /* 100 base Tx half duplex capable */
! 76: #define BMSR_10TFDX 0x1000 /* 10 base T full duplex capable */
! 77: #define BMSR_10THDX 0x0800 /* 10 base T half duplex capable */
! 78: #define BMSR_MFPS 0x0040 /* MII Frame Preamble Suppression */
! 79: #define BMSR_100T2FDX 0x0400 /* 100 base T2 full duplex capable */
! 80: #define BMSR_100T2HDX 0x0200 /* 100 base T2 half duplex capable */
! 81: #define BMSR_EXTSTAT 0x0100 /* Extended status in register 15 */
! 82: #define BMSR_ACOMP 0x0020 /* Autonegotiation complete */
! 83: #define BMSR_RFAULT 0x0010 /* Link partner fault */
! 84: #define BMSR_ANEG 0x0008 /* Autonegotiation capable */
! 85: #define BMSR_LINK 0x0004 /* Link status */
! 86: #define BMSR_JABBER 0x0002 /* Jabber detected */
! 87: #define BMSR_EXTCAP 0x0001 /* Extended capability */
! 88:
! 89: /*
! 90: * Note that the EXTSTAT bit indicates that there is extended status
! 91: * info available in register 15, but 802.3 section 22.2.4.3 also
! 92: * states that all 1000 Mb/s capable PHYs will set this bit to 1.
! 93: */
! 94:
! 95: #define BMSR_MEDIAMASK (BMSR_100T4|BMSR_100TXFDX|BMSR_100TXHDX| \
! 96: BMSR_10TFDX|BMSR_10THDX|BMSR_100T2FDX|BMSR_100T2HDX)
! 97:
! 98: /*
! 99: * Convert BMSR media capabilities to ANAR bits for autonegotiation.
! 100: * Note the shift chopps off the BMSR_ANEG bit.
! 101: */
! 102: #define BMSR_MEDIA_TO_ANAR(x) (((x) & BMSR_MEDIAMASK) >> 6)
! 103:
! 104: #define MII_PHYIDR1 0x02 /* ID register 1 (ro) */
! 105:
! 106: #define MII_PHYIDR2 0x03 /* ID register 2 (ro) */
! 107: #define IDR2_OUILSB 0xfc00 /* OUI LSB */
! 108: #define IDR2_MODEL 0x03f0 /* vendor model */
! 109: #define IDR2_REV 0x000f /* vendor revision */
! 110:
! 111: #define MII_ANAR 0x04 /* Autonegotiation advertisement (rw) */
! 112: /* section 28.2.4.1 and 37.2.6.1 */
! 113: #define ANAR_NP 0x8000 /* Next page (ro) */
! 114: #define ANAR_ACK 0x4000 /* link partner abilities acknowledged (ro) */
! 115: #define ANAR_RF 0x2000 /* remote fault (ro) */
! 116: #define ANAR_FC 0x0400 /* local device supports PAUSE */
! 117: #define ANAR_T4 0x0200 /* local device supports 100bT4 */
! 118: #define ANAR_TX_FD 0x0100 /* local device supports 100bTx FD */
! 119: #define ANAR_TX 0x0080 /* local device supports 100bTx */
! 120: #define ANAR_10_FD 0x0040 /* local device supports 10bT FD */
! 121: #define ANAR_10 0x0020 /* local device supports 10bT */
! 122: #define ANAR_CSMA 0x0001 /* protocol selector CSMA/CD */
! 123: #define ANAR_PAUSE_NONE (0 << 10)
! 124: #define ANAR_PAUSE_SYM (1 << 10)
! 125: #define ANAR_PAUSE_ASYM (2 << 10)
! 126: #define ANAR_PAUSE_TOWARDS (3 << 10)
! 127:
! 128: #define ANAR_X_FD 0x0020 /* local device supports 1000BASE-X FD */
! 129: #define ANAR_X_HD 0x0040 /* local device supports 1000BASE-X HD */
! 130: #define ANAR_X_PAUSE_NONE (0 << 7)
! 131: #define ANAR_X_PAUSE_SYM (1 << 7)
! 132: #define ANAR_X_PAUSE_ASYM (2 << 7)
! 133: #define ANAR_X_PAUSE_TOWARDS (3 << 7)
! 134:
! 135: #define MII_ANLPAR 0x05 /* Autonegotiation lnk partner abilities (rw) */
! 136: /* section 28.2.4.1 and 37.2.6.1 */
! 137: #define ANLPAR_NP 0x8000 /* Next page (ro) */
! 138: #define ANLPAR_ACK 0x4000 /* link partner accepted ACK (ro) */
! 139: #define ANLPAR_RF 0x2000 /* remote fault (ro) */
! 140: #define ANLPAR_FC 0x0400 /* link partner supports PAUSE */
! 141: #define ANLPAR_T4 0x0200 /* link partner supports 100bT4 */
! 142: #define ANLPAR_TX_FD 0x0100 /* link partner supports 100bTx FD */
! 143: #define ANLPAR_TX 0x0080 /* link partner supports 100bTx */
! 144: #define ANLPAR_10_FD 0x0040 /* link partner supports 10bT FD */
! 145: #define ANLPAR_10 0x0020 /* link partner supports 10bT */
! 146: #define ANLPAR_CSMA 0x0001 /* protocol selector CSMA/CD */
! 147: #define ANLPAR_PAUSE_MASK (3 << 10)
! 148: #define ANLPAR_PAUSE_NONE (0 << 10)
! 149: #define ANLPAR_PAUSE_SYM (1 << 10)
! 150: #define ANLPAR_PAUSE_ASYM (2 << 10)
! 151: #define ANLPAR_PAUSE_TOWARDS (3 << 10)
! 152:
! 153: #define ANLPAR_X_FD 0x0020 /* local device supports 1000BASE-X FD */
! 154: #define ANLPAR_X_HD 0x0040 /* local device supports 1000BASE-X HD */
! 155: #define ANLPAR_X_PAUSE_MASK (3 << 7)
! 156: #define ANLPAR_X_PAUSE_NONE (0 << 7)
! 157: #define ANLPAR_X_PAUSE_SYM (1 << 7)
! 158: #define ANLPAR_X_PAUSE_ASYM (2 << 7)
! 159: #define ANLPAR_X_PAUSE_TOWARDS (3 << 7)
! 160:
! 161: #define MII_ANER 0x06 /* Autonegotiation expansion (ro) */
! 162: /* section 28.2.4.1 and 37.2.6.1 */
! 163: #define ANER_MLF 0x0010 /* multiple link detection fault */
! 164: #define ANER_LPNP 0x0008 /* link parter next page-able */
! 165: #define ANER_NP 0x0004 /* next page-able */
! 166: #define ANER_PAGE_RX 0x0002 /* Page received */
! 167: #define ANER_LPAN 0x0001 /* link parter autoneg-able */
! 168:
! 169: #define MII_ANNP 0x07 /* Autonegotiation next page */
! 170: /* section 28.2.4.1 and 37.2.6.1 */
! 171:
! 172: #define MII_ANLPRNP 0x08 /* Autonegotiation link partner rx next page */
! 173: /* section 32.5.1 and 37.2.6.1 */
! 174:
! 175: /* This is also the 1000baseT control register */
! 176: #define MII_100T2CR 0x09 /* 100base-T2 control register */
! 177: #define GTCR_TEST_MASK 0xe000 /* see 802.3ab ss. 40.6.1.1.2 */
! 178: #define GTCR_MAN_MS 0x1000 /* enable manual master/slave control */
! 179: #define GTCR_ADV_MS 0x0800 /* 1 = adv. master, 0 = adv. slave */
! 180: #define GTCR_PORT_TYPE 0x0400 /* 1 = DCE, 0 = DTE (NIC) */
! 181: #define GTCR_ADV_1000TFDX 0x0200 /* adv. 1000baseT FDX */
! 182: #define GTCR_ADV_1000THDX 0x0100 /* adv. 1000baseT HDX */
! 183:
! 184: /* This is also the 1000baseT status register */
! 185: #define MII_100T2SR 0x0a /* 100base-T2 status register */
! 186: #define GTSR_MAN_MS_FLT 0x8000 /* master/slave config fault */
! 187: #define GTSR_MS_RES 0x4000 /* result: 1 = master, 0 = slave */
! 188: #define GTSR_LRS 0x2000 /* local rx status, 1 = ok */
! 189: #define GTSR_RRS 0x1000 /* remove rx status, 1 = ok */
! 190: #define GTSR_LP_1000TFDX 0x0800 /* link partner 1000baseT FDX capable */
! 191: #define GTSR_LP_1000THDX 0x0400 /* link partner 1000baseT HDX capable */
! 192: #define GTSR_LP_ASM_DIR 0x0200 /* link partner asym. pause dir. capable */
! 193: #define GTSR_IDLE_ERR 0x00ff /* IDLE error count */
! 194:
! 195: #define MII_EXTSR 0x0f /* Extended status register */
! 196: #define EXTSR_1000XFDX 0x8000 /* 1000X full-duplex capable */
! 197: #define EXTSR_1000XHDX 0x4000 /* 1000X half-duplex capable */
! 198: #define EXTSR_1000TFDX 0x2000 /* 1000T full-duplex capable */
! 199: #define EXTSR_1000THDX 0x1000 /* 1000T half-duplex capable */
! 200:
! 201: #define EXTSR_MEDIAMASK (EXTSR_1000XFDX|EXTSR_1000XHDX| \
! 202: EXTSR_1000TFDX|EXTSR_1000THDX)
! 203:
! 204: #endif /* _DEV_MII_MII_H_ */
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