FreeBSD/Linux Kernel Cross Reference
sys/dev/netif/mii_layer/mii.h

     /*      $NetBSD: mii.h,v 1.13 2005/12/11 12:22:42 christos 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.
     *
     * $FreeBSD: src/sys/dev/mii/mii.h,v 1.2 1999/08/28 00:42:14 peter Exp $
     * $DragonFly: src/sys/dev/netif/mii_layer/mii.h,v 1.4 2006/08/06 10:32:23 sephe Exp $
     */
    
    #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 (low bit) */
    #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_S1000      0x0040  /* speed select (high bit) (note 1) */
    #define BMCR_S10        0x0000  /* 10 Mb/s */
    #define BMCR_SPEED(x)   ((x) & (BMCR_S1000 | BMCR_S100))
    
    /*
     * 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 that all 1000 Mb/s capable PHYs will set this bit to 1.
     */
    #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_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_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_EXTCAP     0x0001  /* Extended capability */
    
    #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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