177 lines
6.0 KiB
C
177 lines
6.0 KiB
C
/* $FreeBSD$ */
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/*-
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* Copyright (c) 2010, 2011 Rick van der Zwet <info@rickvanderzwet.nl>
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*
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* Permission to use, copy, modify, and distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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/*-
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* Copyright (c) 2008 Johann Christian Rode <jcrode@gmx.net>
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*
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* Permission to use, copy, modify, and distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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/*-
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* Copyright (c) 1997, 1998, 1999, 2000-2003
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* Bill Paul <wpaul@windriver.com>. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by Ravikanth.
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* 4. Neither the name of the author nor the names of any co-contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY Bill Paul AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL Bill Paul, THE VOICES IN HIS HEAD OR
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* THE CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
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* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
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* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
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* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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*/
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/*
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* Register definitions for the Moschip MCS7x30 ethernet controller.
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*/
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#define MOS_MCAST_TABLE 0x00
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#define MOS_IPG0 0x08
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#define MOS_IPG1 0x09
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#define MOS_PHY_DATA0 0x0a
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#define MOS_PHY_DATA1 0x0b
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#define MOS_PHY_CTL 0x0c
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#define MOS_PHY_STS 0x0d
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#define MOS_PHY_DATA MOS_PHY_DATA0
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#define MOS_CTL 0x0e
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#define MOS_MAC0 0x0f
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#define MOS_MAC1 0x10
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#define MOS_MAC2 0x11
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#define MOS_MAC3 0x12
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#define MOS_MAC4 0x13
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#define MOS_MAC5 0x14
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#define MOS_MAC MOS_MAC0
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/* apparently only available on hardware rev. C */
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#define MOS_FRAME_DROP_CNT 0x15
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#define MOS_PAUSE_TRHD 0x16
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#define MOS_PHYCTL_PHYADDR 0x1f
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#define MOS_PHYCTL_WRITE 0x20
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#define MOS_PHYCTL_READ 0x40
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#define MOS_PHYSTS_PHYREG 0x1f
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#define MOS_PHYSTS_READY 0x40
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#define MOS_PHYSTS_PENDING 0x80
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#define MOS_CTL_RX_PROMISC 0x01
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#define MOS_CTL_ALLMULTI 0x02
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#define MOS_CTL_SLEEP 0x04
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#define MOS_CTL_TX_ENB 0x08
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/*
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* The documentation calls this bit 'reserved', but in the FreeBSD driver
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* provided by the vendor, this enables the receiver.
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*/
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#define MOS_CTL_RX_ENB 0x10
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#define MOS_CTL_FDX_ENB 0x20
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/* 0 = 10 Mbps, 1 = 100 Mbps */
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#define MOS_CTL_SPEEDSEL 0x40
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/* 0 = PHY controls speed/duplex mode, 1 = bridge controls speed/duplex mode */
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#define MOS_CTL_BS_ENB 0x80
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#define MOS_RXSTS_SHORT_FRAME 0x01
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#define MOS_RXSTS_LENGTH_ERROR 0x02
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#define MOS_RXSTS_ALIGN_ERROR 0x04
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#define MOS_RXSTS_CRC_ERROR 0x08
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#define MOS_RXSTS_LARGE_FRAME 0x10
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#define MOS_RXSTS_VALID 0x20
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/*
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* The EtherType field of an Ethernet frame can contain values other than
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* the frame length, hence length errors are ignored.
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*/
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#define MOS_RXSTS_MASK 0x3d
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#define MOS_PAUSE_TRHD_DEFAULT 0
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#define MOS_PAUSE_REWRITES 3
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#define MOS_TIMEOUT 1000
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#define MOS_RX_LIST_CNT 1
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#define MOS_TX_LIST_CNT 1
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/* Maximum size of a fast ethernet frame plus one byte for the status */
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#define MOS_BUFSZ (ETHER_MAX_LEN+1)
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/*
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* USB endpoints.
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*/
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#define MOS_ENDPT_RX 0
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#define MOS_ENDPT_TX 1
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#define MOS_ENDPT_INTR 2
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#define MOS_ENDPT_MAX 3
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/*
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* USB vendor requests.
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*/
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#define MOS_UR_READREG 0x0e
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#define MOS_UR_WRITEREG 0x0d
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#define MOS_CONFIG_IDX 0
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#define MOS_IFACE_IDX 0
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#define MCS7730 0x0001
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#define MCS7830 0x0002
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#define MCS7832 0x0004
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#define MOS_INC(x, y) (x) = (x + 1) % y
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struct mos_softc {
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struct usb_ether sc_ue;
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struct ifnet ifp;
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struct mtx sc_mtx;
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struct usb_xfer *sc_xfer[MOS_ENDPT_MAX];
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uint16_t mos_flags;
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int mos_link;
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unsigned char mos_ipgs[2];
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unsigned char mos_phyaddrs[2];
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};
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#define GET_MII(sc) uether_getmii(&(sc)->sc_ue)
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#define MOS_LOCK(_sc) mtx_lock(&(_sc)->sc_mtx)
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#define MOS_UNLOCK(_sc) mtx_unlock(&(_sc)->sc_mtx)
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#define MOS_LOCK_ASSERT(_sc, t) mtx_assert(&(_sc)->sc_mtx, t)
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