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