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/* $OpenBSD: mii.h,v 1.7 2004/10/07 22:18:48 brad Exp $ */
/* $NetBSD: mii.h,v 1.8 2001/05/31 03:06:46 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_SPEED0 0x2000 /* speed selection (LSB) */
#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 BMCR_SPEED1 0x0040 /* speed selection (MSB) */
#define BMCR_S10 0x0000 /* 10 Mb/s */
#define BMCR_S100 BMCR_SPEED0 /* 100 Mb/s */
#define BMCR_S1000 BMCR_SPEED1 /* 1000 Mb/s */
#define BMCR_SPEED(x) ((x) & (BMCR_SPEED0|BMCR_SPEED1))
#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_100T2FDX 0x0400 /* 100 base T2 full duplex capable */
#define BMSR_100T2HDX 0x0200 /* 100 base T2 half duplex capable */
#define BMSR_EXTSTAT 0x0100 /* Extended status in register 15 */
#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_EXTCAP 0x0001 /* Extended capability */
/*
* Note that the EXTSTAT bit indicates that there is extended status
* info available in register 15, but 802.3 section 22.2.4.3 also
* states that all 1000 Mb/s capable PHYs will set this bit to 1.
*/
#define BMSR_MEDIAMASK (BMSR_100T4|BMSR_100TXFDX|BMSR_100TXHDX| \
BMSR_10TFDX|BMSR_10THDX|BMSR_100T2FDX|BMSR_100T2HDX)
/*
* 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) */
/* section 28.2.4.1 and 37.2.6.1 */
#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 ANAR_X_FD 0x0020 /* local device supports 1000BASE-X FD */
#define ANAR_X_HD 0x0040 /* local device supports 1000BASE-X HD */
#define ANAR_X_PAUSE_NONE (0 << 10)
#define ANAR_X_PAUSE_SYM (1 << 10)
#define ANAR_X_PAUSE_ASYM (2 << 10)
#define ANAR_X_PAUSE_TOWARDS (3 << 10)
#define MII_ANLPAR 0x05 /* Autonegotiation lnk partner abilities (rw) */
/* section 28.2.4.1 and 37.2.6.1 */
#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 ANLPAR_X_FD 0x0020 /* local device supports 1000BASE-X FD */
#define ANLPAR_X_HD 0x0040 /* local device supports 1000BASE-X HD */
#define ANLPAR_X_PAUSE_MASK (3 << 10)
#define ANLPAR_X_PAUSE_NONE (0 << 10)
#define ANLPAR_X_PAUSE_SYM (1 << 10)
#define ANLPAR_X_PAUSE_ASYM (2 << 10)
#define ANLPAR_X_PAUSE_TOWARDS (3 << 10)
#define MII_ANER 0x06 /* Autonegotiation expansion (ro) */
/* section 28.2.4.1 and 37.2.6.1 */
#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 */
#define MII_ANNP 0x07 /* Autonegotiation next page */
/* section 28.2.4.1 and 37.2.6.1 */
#define MII_ANLPRNP 0x08 /* Autonegotiation link partner rx next page */
/* section 32.5.1 and 37.2.6.1 */
/* This is also the 1000baseT control register */
#define MII_100T2CR 0x09 /* 100base-T2 control register */
#define GTCR_TEST_MASK 0xe000 /* see 802.3ab ss. 40.6.1.1.2 */
#define GTCR_MAN_MS 0x1000 /* enable manual master/slave control */
#define GTCR_ADV_MS 0x0800 /* 1 = adv. master, 0 = adv. slave */
#define GTCR_PORT_TYPE 0x0400 /* 1 = DCE, 0 = DTE (NIC) */
#define GTCR_ADV_1000TFDX 0x0200 /* adv. 1000baseT FDX */
#define GTCR_ADV_1000THDX 0x0100 /* adv. 1000baseT HDX */
/* This is also the 1000baseT status register */
#define MII_100T2SR 0x0a /* 100base-T2 status register */
#define GTSR_MAN_MS_FLT 0x8000 /* master/slave config fault */
#define GTSR_MS_RES 0x4000 /* result: 1 = master, 0 = slave */
#define GTSR_LRS 0x2000 /* local rx status, 1 = ok */
#define GTSR_RRS 0x1000 /* remove rx status, 1 = ok */
#define GTSR_LP_1000TFDX 0x0800 /* link partner 1000baseT FDX capable */
#define GTSR_LP_1000THDX 0x0400 /* link partner 1000baseT HDX capable */
#define GTSR_LP_ASM_DIR 0x0200 /* link partner asym. pause dir. capable */
#define GTSR_IDLE_ERR 0x00ff /* IDLE error count */
#define MII_EXTSR 0x0f /* Extended status register */
#define EXTSR_1000XFDX 0x8000 /* 1000X full-duplex capable */
#define EXTSR_1000XHDX 0x4000 /* 1000X half-duplex capable */
#define EXTSR_1000TFDX 0x2000 /* 1000T full-duplex capable */
#define EXTSR_1000THDX 0x1000 /* 1000T half-duplex capable */
#define EXTSR_MEDIAMASK (EXTSR_1000XFDX|EXTSR_1000XHDX| \
EXTSR_1000TFDX|EXTSR_1000THDX)
#endif /* _DEV_MII_MII_H_ */
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