1 /* $FreeBSD$ */ 2 /*- 3 * Copyright (c) 2010, 2011 Rick van der Zwet <info@rickvanderzwet.nl> 4 * 5 * Permission to use, copy, modify, and distribute this software for any 6 * purpose with or without fee is hereby granted, provided that the above 7 * copyright notice and this permission notice appear in all copies. 8 * 9 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES 10 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF 11 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR 12 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 13 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN 14 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF 15 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 16 */ 17 18 /*- 19 * Copyright (c) 2008 Johann Christian Rode <jcrode@gmx.net> 20 * 21 * Permission to use, copy, modify, and distribute this software for any 22 * purpose with or without fee is hereby granted, provided that the above 23 * copyright notice and this permission notice appear in all copies. 24 * 25 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES 26 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF 27 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR 28 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 29 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN 30 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF 31 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 32 */ 33 34 /*- 35 * SPDX-License-Identifier: BSD-4-Clause 36 * 37 * Copyright (c) 1997, 1998, 1999, 2000-2003 38 * Bill Paul <wpaul@windriver.com>. All rights reserved. 39 * 40 * Redistribution and use in source and binary forms, with or without 41 * modification, are permitted provided that the following conditions 42 * are met: 43 * 1. Redistributions of source code must retain the above copyright 44 * notice, this list of conditions and the following disclaimer. 45 * 2. Redistributions in binary form must reproduce the above copyright 46 * notice, this list of conditions and the following disclaimer in the 47 * documentation and/or other materials provided with the distribution. 48 * 3. All advertising materials mentioning features or use of this software 49 * must display the following acknowledgement: 50 * This product includes software developed by Ravikanth. 51 * 4. Neither the name of the author nor the names of any co-contributors 52 * may be used to endorse or promote products derived from this software 53 * without specific prior written permission. 54 * 55 * THIS SOFTWARE IS PROVIDED BY Bill Paul AND CONTRIBUTORS ``AS IS'' AND 56 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 57 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 58 * ARE DISCLAIMED. IN NO EVENT SHALL Bill Paul, THE VOICES IN HIS HEAD OR 59 * THE CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 60 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 61 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; 62 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, 63 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR 64 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF 65 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 66 * 67 */ 68 69 /* 70 * Register definitions for the Moschip MCS7x30 ethernet controller. 71 */ 72 #define MOS_MCAST_TABLE 0x00 73 #define MOS_IPG0 0x08 74 #define MOS_IPG1 0x09 75 #define MOS_PHY_DATA0 0x0a 76 #define MOS_PHY_DATA1 0x0b 77 #define MOS_PHY_CTL 0x0c 78 #define MOS_PHY_STS 0x0d 79 #define MOS_PHY_DATA MOS_PHY_DATA0 80 #define MOS_CTL 0x0e 81 #define MOS_MAC0 0x0f 82 #define MOS_MAC1 0x10 83 #define MOS_MAC2 0x11 84 #define MOS_MAC3 0x12 85 #define MOS_MAC4 0x13 86 #define MOS_MAC5 0x14 87 #define MOS_MAC MOS_MAC0 88 /* apparently only available on hardware rev. C */ 89 #define MOS_FRAME_DROP_CNT 0x15 90 #define MOS_PAUSE_TRHD 0x16 91 92 #define MOS_PHYCTL_PHYADDR 0x1f 93 #define MOS_PHYCTL_WRITE 0x20 94 #define MOS_PHYCTL_READ 0x40 95 96 #define MOS_PHYSTS_PHYREG 0x1f 97 #define MOS_PHYSTS_READY 0x40 98 #define MOS_PHYSTS_PENDING 0x80 99 100 #define MOS_CTL_RX_PROMISC 0x01 101 #define MOS_CTL_ALLMULTI 0x02 102 #define MOS_CTL_SLEEP 0x04 103 #define MOS_CTL_TX_ENB 0x08 104 /* 105 * The documentation calls this bit 'reserved', but in the FreeBSD driver 106 * provided by the vendor, this enables the receiver. 107 */ 108 #define MOS_CTL_RX_ENB 0x10 109 #define MOS_CTL_FDX_ENB 0x20 110 /* 0 = 10 Mbps, 1 = 100 Mbps */ 111 #define MOS_CTL_SPEEDSEL 0x40 112 /* 0 = PHY controls speed/duplex mode, 1 = bridge controls speed/duplex mode */ 113 #define MOS_CTL_BS_ENB 0x80 114 115 #define MOS_RXSTS_SHORT_FRAME 0x01 116 #define MOS_RXSTS_LENGTH_ERROR 0x02 117 #define MOS_RXSTS_ALIGN_ERROR 0x04 118 #define MOS_RXSTS_CRC_ERROR 0x08 119 #define MOS_RXSTS_LARGE_FRAME 0x10 120 #define MOS_RXSTS_VALID 0x20 121 /* 122 * The EtherType field of an Ethernet frame can contain values other than 123 * the frame length, hence length errors are ignored. 124 */ 125 #define MOS_RXSTS_MASK 0x3d 126 127 #define MOS_PAUSE_TRHD_DEFAULT 0 128 #define MOS_PAUSE_REWRITES 3 129 130 #define MOS_TIMEOUT 1000 131 132 #define MOS_RX_LIST_CNT 1 133 #define MOS_TX_LIST_CNT 1 134 135 /* Maximum size of a fast ethernet frame plus one byte for the status */ 136 #define MOS_BUFSZ (ETHER_MAX_LEN+1) 137 138 /* 139 * USB endpoints. 140 */ 141 #define MOS_ENDPT_RX 0 142 #define MOS_ENDPT_TX 1 143 #define MOS_ENDPT_INTR 2 144 #define MOS_ENDPT_MAX 3 145 146 /* 147 * USB vendor requests. 148 */ 149 #define MOS_UR_READREG 0x0e 150 #define MOS_UR_WRITEREG 0x0d 151 152 #define MOS_CONFIG_IDX 0 153 #define MOS_IFACE_IDX 0 154 155 #define MCS7730 0x0001 156 #define MCS7830 0x0002 157 #define MCS7832 0x0004 158 159 #define MOS_INC(x, y) (x) = (x + 1) % y 160 161 struct mos_softc { 162 struct usb_ether sc_ue; 163 struct ifnet ifp; 164 165 struct mtx sc_mtx; 166 struct usb_xfer *sc_xfer[MOS_ENDPT_MAX]; 167 168 uint16_t mos_flags; 169 170 int mos_link; 171 unsigned char mos_ipgs[2]; 172 unsigned char mos_phyaddrs[2]; 173 }; 174 175 #define GET_MII(sc) uether_getmii(&(sc)->sc_ue) 176 #define MOS_LOCK(_sc) mtx_lock(&(_sc)->sc_mtx) 177 #define MOS_UNLOCK(_sc) mtx_unlock(&(_sc)->sc_mtx) 178 #define MOS_LOCK_ASSERT(_sc, t) mtx_assert(&(_sc)->sc_mtx, t) 179