mii.inc
mxlgv_kos-virtualbox-guest/inc/mii.inc
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;;                                                                 ;;
;; Copyright (C) KolibriOS team 2010-2015. All rights reserved.    ;;
;; Distributed under terms of the GNU General Public License       ;;
;;                                                                 ;;
;;  mii.inc - Media Independent Interface routines for KolibriOS   ;;
;;                                                                 ;;
;;          GNU GENERAL PUBLIC LICENSE                             ;;
;;             Version 2, June 1991                                ;;
;;                                                                 ;;
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;


; Generic MII registers.

        MII_BMCR                = 0x00          ; Basic mode control register
        MII_BMSR                = 0x01          ; Basic mode status register
        MII_PHYSID1             = 0x02          ; PHYS ID 1
        MII_PHYSID2             = 0x03          ; PHYS ID 2

        ; Auto negotiation registers
        MII_ADVERTISE           = 0x04          ; Advertisement control reg
        MII_LPA                 = 0x05          ; Link partner ability reg
        MII_EXPANSION           = 0x06          ; Expansion register

        MII_CTRL1000            = 0x09          ; 1000BASE-T control
        MII_STAT1000            = 0x0a          ; 1000BASE-T status
        MII_ESTATUS             = 0x0f          ; Extended Status
        MII_DCOUNTER            = 0x12          ; Disconnect counter
        MII_FCSCOUNTER          = 0x13          ; False carrier counter
        MII_NWAYTEST            = 0x14          ; N-way auto-neg test reg
        MII_RERRCOUNTER         = 0x15          ; Receive error counter
        MII_SREVISION           = 0x16          ; Silicon revision
        MII_RESV1               = 0x17          ; Reserved...
        MII_LBRERROR            = 0x18          ; Lpback, rx, bypass error
        MII_PHYADDR             = 0x19          ; PHY address
        MII_RESV2               = 0x1a          ; Reserved...
        MII_TPISTATUS           = 0x1b          ; TPI status for 10mbps
        MII_NCONFIG             = 0x1c          ; Network interface config

; Basic mode control register.

        BMCR_RESV               = 0x003f        ; Unused...
        BMCR_SPEED1000          = 0x0040        ; MSB of Speed (1000)
        BMCR_CTST               = 0x0080        ; Collision test
        BMCR_FULLDPLX           = 0x0100        ; Full duplex
        BMCR_ANRESTART          = 0x0200        ; Auto negotiation restart
        BMCR_ISOLATE            = 0x0400        ; Disconnect DP83840 from MII
        BMCR_PDOWN              = 0x0800        ; Powerdown the DP83840
        BMCR_ANENABLE           = 0x1000        ; Enable auto negotiation
        BMCR_SPEED100           = 0x2000        ; Select 100Mbps
        BMCR_LOOPBACK           = 0x4000        ; TXD loopback bits
        BMCR_RESET              = 0x8000        ; Reset the DP83840

; Basic mode status register.

        BMSR_ERCAP              = 0x0001        ; Ext-reg capability
        BMSR_JCD                = 0x0002        ; Jabber detected
        BMSR_LSTATUS            = 0x0004        ; Link status
        BMSR_ANEGCAPABLE        = 0x0008        ; Able to do auto-negotiation
        BMSR_RFAULT             = 0x0010        ; Remote fault detected
        BMSR_ANEGCOMPLETE       = 0x0020        ; Auto-negotiation complete
        BMSR_RESV               = 0x00c0        ; Unused...
        BMSR_ESTATEN            = 0x0100        ; Extended Status in R15
        BMSR_100HALF2           = 0x0200        ; Can do 100BASE-T2 HDX
        BMSR_100FULL2           = 0x0400        ; Can do 100BASE-T2 FDX
        BMSR_10HALF             = 0x0800        ; Can do 10mbps, half-duplex
        BMSR_10FULL             = 0x1000        ; Can do 10mbps, full-duplex
        BMSR_100HALF            = 0x2000        ; Can do 100mbps, half-duplex
        BMSR_100FULL            = 0x4000        ; Can do 100mbps, full-duplex
        BMSR_100BASE4           = 0x8000        ; Can do 100mbps, 4k packets

; Advertisement control register.

        ADVERTISE_SLCT          = 0x001f        ; Selector bits
        ADVERTISE_CSMA          = 0x0001        ; Only selector supported
        ADVERTISE_10HALF        = 0x0020        ; Try for 10mbps half-duplex
        ADVERTISE_1000XFULL     = 0x0020        ; Try for 1000BASE-X full-duplex
        ADVERTISE_10FULL        = 0x0040        ; Try for 10mbps full-duplex
        ADVERTISE_1000XHALF     = 0x0040        ; Try for 1000BASE-X half-duplex
        ADVERTISE_100HALF       = 0x0080        ; Try for 100mbps half-duplex
        ADVERTISE_1000XPAUSE    = 0x0080        ; Try for 1000BASE-X pause
        ADVERTISE_100FULL       = 0x0100        ; Try for 100mbps full-duplex
        ADVERTISE_1000XPSE_ASYM = 0x0100        ; Try for 1000BASE-X asym pause
        ADVERTISE_100BASE4      = 0x0200        ; Try for 100mbps 4k packets
        ADVERTISE_PAUSE_CAP     = 0x0400        ; Try for pause
        ADVERTISE_PAUSE_ASYM    = 0x0800        ; Try for asymetric pause
        ADVERTISE_RESV          = 0x1000        ; Unused...
        ADVERTISE_RFAULT        = 0x2000        ; Say we can detect faults
        ADVERTISE_LPACK         = 0x4000        ; Ack link partners response
        ADVERTISE_NPAGE         = 0x8000        ; Next page bit

        ADVERTISE_FULL          = (ADVERTISE_100FULL or ADVERTISE_10FULL or ADVERTISE_CSMA)
        ADVERTISE_ALL           = (ADVERTISE_10HALF or ADVERTISE_10FULL or ADVERTISE_100HALF or ADVERTISE_100FULL)

; Link partner ability register.

        LPA_SLCT                = 0x001f        ; Same as advertise selector
        LPA_10HALF              = 0x0020        ; Can do 10mbps half-duplex
        LPA_1000XFULL           = 0x0020        ; Can do 1000BASE-X full-duplex
        LPA_10FULL              = 0x0040        ; Can do 10mbps full-duplex
        LPA_1000XHALF           = 0x0040        ; Can do 1000BASE-X half-duplex
        LPA_100HALF             = 0x0080        ; Can do 100mbps half-duplex
        LPA_1000XPAUSE          = 0x0080        ; Can do 1000BASE-X pause
        LPA_100FULL             = 0x0100        ; Can do 100mbps full-duplex
        LPA_1000XPAUSE_ASYM     = 0x0100        ; Can do 1000BASE-X pause asym
        LPA_100BASE4            = 0x0200        ; Can do 100mbps 4k packets
        LPA_PAUSE_CAP           = 0x0400        ; Can pause
        LPA_PAUSE_ASYM          = 0x0800        ; Can pause asymetrically
        LPA_RESV                = 0x1000        ; Unused...
        LPA_RFAULT              = 0x2000        ; Link partner faulted
        LPA_LPACK               = 0x4000        ; Link partner acked us
        LPA_NPAGE               = 0x8000        ; Next page bit

        LPA_DUPLEX              = (LPA_10FULL or LPA_100FULL)
        LPA_100                 = (LPA_100FULL or LPA_100HALF or LPA_100BASE4)

; Expansion register for auto-negotiation.

        EXPANSION_NWAY          = 0x0001        ; Can do N-way auto-nego
        EXPANSION_LCWP          = 0x0002        ; Got new RX page code word
        EXPANSION_ENABLENPAGE   = 0x0004        ; This enables npage words
        EXPANSION_NPCAPABLE     = 0x0008        ; Link partner supports npage
        EXPANSION_MFAULTS       = 0x0010        ; Multiple faults detected
        EXPANSION_RESV          = 0xffe0        ; Unused...

        ESTATUS_1000_TFULL      = 0x2000        ; Can do 1000BT Full
        ESTATUS_1000_THALF      = 0x1000        ; Can do 1000BT Half

; N-way test register.

        NWAYTEST_RESV1          = 0x00ff        ; Unused...
        NWAYTEST_LOOPBACK       = 0x0100        ; Enable loopback for N-way
        NWAYTEST_RESV2          = 0xfe00        ; Unused...

; 1000BASE-T Control register

        ADVERTISE_1000FULL      = 0x0200        ; Advertise 1000BASE-T full duplex
        ADVERTISE_1000HALF      = 0x0100        ; Advertise 1000BASE-T half duplex

; 1000BASE-T Status register

        LPA_1000LOCALRXOK       = 0x2000        ; Link partner local receiver status
        LPA_1000REMRXOK         = 0x1000        ; Link partner remote receiver status
        LPA_1000FULL            = 0x0800        ; Link partner 1000BASE-T full duplex
        LPA_1000HALF            = 0x0400        ; Link partner 1000BASE-T half duplex

; Flow control flags

        FLOW_CTRL_TX            = 0x01
        FLOW_CTRL_RX            = 0x02



if used mii_link_ok

align 4
mii_link_ok:

        DEBUGF  1, "mii_link_ok\n"

; First do a dummy read to latch some MII phys

        mov     ecx, MII_BMSR
        call    mdio_read

        mov     ecx, MII_BMSR
        call    mdio_read

        and     ax, BMSR_LSTATUS

        DEBUGF  1, "link status=0x%x\n", ax

        ret

end if