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/* $OpenBSD: mii.h,v 1.2 2000/08/26 20:04:17 nate Exp $ */
/* $NetBSD: mii.h,v 1.2 1999/09/29 22:49:33 thorpej Exp $ */
/*
* Copyright (c) 1997 Manuel Bouyer. All rights reserved.
*
* Modification to match BSD/OS 3.0 MII interface by Jason R. Thorpe,
* Numerical Aerospace Simulation Facility, NASA Ames Research Center.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by Manuel Bouyer.
* 4. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef _DEV_MII_MII_H_
#define _DEV_MII_MII_H_
/*
* Registers common to all PHYs.
*/
#define MII_NPHY 32 /* max # of PHYs per MII */
/*
* MII commands, used if a device must drive the MII lines
* manually.
*/
#define MII_COMMAND_START 0x01
#define MII_COMMAND_READ 0x02
#define MII_COMMAND_WRITE 0x01
#define MII_COMMAND_ACK 0x02
#define MII_BMCR 0x00 /* Basic mode control register (rw) */
#define BMCR_RESET 0x8000 /* reset */
#define BMCR_LOOP 0x4000 /* loopback */
#define BMCR_S100 0x2000 /* speed (10/100) select */
#define BMCR_AUTOEN 0x1000 /* autonegotiation enable */
#define BMCR_PDOWN 0x0800 /* power down */
#define BMCR_ISO 0x0400 /* isolate */
#define BMCR_STARTNEG 0x0200 /* restart autonegotiation */
#define BMCR_FDX 0x0100 /* Set duplex mode */
#define BMCR_CTEST 0x0080 /* collision test */
#define MII_BMSR 0x01 /* Basic mode status register (ro) */
#define BMSR_100T4 0x8000 /* 100 base T4 capable */
#define BMSR_100TXFDX 0x4000 /* 100 base Tx full duplex capable */
#define BMSR_100TXHDX 0x2000 /* 100 base Tx half duplex capable */
#define BMSR_10TFDX 0x1000 /* 10 base T full duplex capable */
#define BMSR_10THDX 0x0800 /* 10 base T half duplex capable */
#define BMSR_MFPS 0x0040 /* MII Frame Preamble Suppression */
#define BMSR_ACOMP 0x0020 /* Autonegotiation complete */
#define BMSR_RFAULT 0x0010 /* Link partner fault */
#define BMSR_ANEG 0x0008 /* Autonegotiation capable */
#define BMSR_LINK 0x0004 /* Link status */
#define BMSR_JABBER 0x0002 /* Jabber detected */
#define BMSR_EXT 0x0001 /* Extended capability */
#define BMSR_MEDIAMASK (BMSR_100T4|BMSR_100TXFDX|BMSR_100TXHDX|BMSR_10TFDX| \
BMSR_10THDX|BMSR_ANEG)
/*
* Convert BMSR media capabilities to ANAR bits for autonegotiation.
* Note the shift chopps off the BMSR_ANEG bit.
*/
#define BMSR_MEDIA_TO_ANAR(x) (((x) & BMSR_MEDIAMASK) >> 6)
#define MII_PHYIDR1 0x02 /* ID register 1 (ro) */
#define MII_PHYIDR2 0x03 /* ID register 2 (ro) */
#define IDR2_OUILSB 0xfc00 /* OUI LSB */
#define IDR2_MODEL 0x03f0 /* vendor model */
#define IDR2_REV 0x000f /* vendor revision */
#define MII_OUI(id1, id2) (((id1) << 6) | ((id2) >> 10))
#define MII_MODEL(id2) (((id2) & IDR2_MODEL) >> 4)
#define MII_REV(id2) ((id2) & IDR2_REV)
#define MII_ANAR 0x04 /* Autonegotiation advertisement (rw) */
#define ANAR_NP 0x8000 /* Next page (ro) */
#define ANAR_ACK 0x4000 /* link partner abilities acknowledged (ro) */
#define ANAR_RF 0x2000 /* remote fault (ro) */
#define ANAR_FC 0x0400 /* local device supports PAUSE */
#define ANAR_T4 0x0200 /* local device supports 100bT4 */
#define ANAR_TX_FD 0x0100 /* local device supports 100bTx FD */
#define ANAR_TX 0x0080 /* local device supports 100bTx */
#define ANAR_10_FD 0x0040 /* local device supports 10bT FD */
#define ANAR_10 0x0020 /* local device supports 10bT */
#define ANAR_CSMA 0x0001 /* protocol selector CSMA/CD */
#define MII_ANLPAR 0x05 /* Autonegotiation lnk partner abilities (rw) */
#define ANLPAR_NP 0x8000 /* Next page (ro) */
#define ANLPAR_ACK 0x4000 /* link partner accepted ACK (ro) */
#define ANLPAR_RF 0x2000 /* remote fault (ro) */
#define ANLPAR_FC 0x0400 /* link partner supports PAUSE */
#define ANLPAR_T4 0x0200 /* link partner supports 100bT4 */
#define ANLPAR_TX_FD 0x0100 /* link partner supports 100bTx FD */
#define ANLPAR_TX 0x0080 /* link partner supports 100bTx */
#define ANLPAR_10_FD 0x0040 /* link partner supports 10bT FD */
#define ANLPAR_10 0x0020 /* link partner supports 10bT */
#define ANLPAR_CSMA 0x0001 /* protocol selector CSMA/CD */
#define MII_ANER 0x06 /* Autonegotiation expansion (ro) */
#define ANER_MLF 0x0010 /* multiple link detection fault */
#define ANER_LPNP 0x0008 /* link parter next page-able */
#define ANER_NP 0x0004 /* next page-able */
#define ANER_PAGE_RX 0x0002 /* Page received */
#define ANER_LPAN 0x0001 /* link parter autoneg-able */
#endif /* _DEV_MII_MII_H_ */
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