1 /* $NetBSD: mii.h,v 1.1 1998/08/10 23:55:17 thorpej Exp $ */
4 * Copyright (c) 1997 Manuel Bouyer. All rights reserved.
6 * Modification to match BSD/OS 3.0 MII interface by Jason R. Thorpe,
7 * Numerical Aerospace Simulation Facility, NASA Ames Research Center.
9 * Redistribution and use in source and binary forms, with or without
10 * modification, are permitted provided that the following conditions
12 * 1. Redistributions of source code must retain the above copyright
13 * notice, this list of conditions and the following disclaimer.
14 * 2. Redistributions in binary form must reproduce the above copyright
15 * notice, this list of conditions and the following disclaimer in the
16 * documentation and/or other materials provided with the distribution.
17 * 3. All advertising materials mentioning features or use of this software
18 * must display the following acknowledgement:
19 * This product includes software developed by Manuel Bouyer.
20 * 4. The name of the author may not be used to endorse or promote products
21 * derived from this software without specific prior written permission.
23 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
24 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
25 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
26 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
27 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
28 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
29 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
30 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
31 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
32 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
34 * $FreeBSD: src/sys/dev/mii/mii.h,v 1.2 1999/08/28 00:42:14 peter Exp $
35 * $DragonFly: src/sys/dev/netif/mii_layer/mii.h,v 1.2 2003/06/17 04:28:28 dillon Exp $
38 #ifndef _DEV_MII_MII_H_
39 #define _DEV_MII_MII_H_
42 * Registers common to all PHYs.
45 #define MII_NPHY 32 /* max # of PHYs per MII */
48 * MII commands, used if a device must drive the MII lines
51 #define MII_COMMAND_START 0x01
52 #define MII_COMMAND_READ 0x02
53 #define MII_COMMAND_WRITE 0x01
54 #define MII_COMMAND_ACK 0x02
56 #define MII_BMCR 0x00 /* Basic mode control register (rw) */
57 #define BMCR_RESET 0x8000 /* reset */
58 #define BMCR_LOOP 0x4000 /* loopback */
59 #define BMCR_S100 0x2000 /* speed (10/100) select */
60 #define BMCR_AUTOEN 0x1000 /* autonegotiation enable */
61 #define BMCR_PDOWN 0x0800 /* power down */
62 #define BMCR_ISO 0x0400 /* isolate */
63 #define BMCR_STARTNEG 0x0200 /* restart autonegotiation */
64 #define BMCR_FDX 0x0100 /* Set duplex mode */
65 #define BMCR_CTEST 0x0080 /* collision test */
67 #define MII_BMSR 0x01 /* Basic mode status register (ro) */
68 #define BMSR_100T4 0x8000 /* 100 base T4 capable */
69 #define BMSR_100TXFDX 0x4000 /* 100 base Tx full duplex capable */
70 #define BMSR_100TXHDX 0x2000 /* 100 base Tx half duplex capable */
71 #define BMSR_10TFDX 0x1000 /* 10 base T full duplex capable */
72 #define BMSR_10THDX 0x0800 /* 10 base T half duplex capable */
73 #define BMSR_ACOMP 0x0020 /* Autonegotiation complete */
74 #define BMSR_RFAULT 0x0010 /* Link partner fault */
75 #define BMSR_ANEG 0x0008 /* Autonegotiation capable */
76 #define BMSR_LINK 0x0004 /* Link status */
77 #define BMSR_JABBER 0x0002 /* Jabber detected */
78 #define BMSR_EXT 0x0001 /* Extended capability */
80 #define BMSR_MEDIAMASK (BMSR_100T4|BMSR_100TXFDX|BMSR_100TXHDX|BMSR_10TFDX| \
81 BMSR_10THDX|BMSR_ANEG)
84 * Convert BMSR media capabilities to ANAR bits for autonegotiation.
85 * Note the shift chopps off the BMSR_ANEG bit.
87 #define BMSR_MEDIA_TO_ANAR(x) (((x) & BMSR_MEDIAMASK) >> 6)
89 #define MII_PHYIDR1 0x02 /* ID register 1 (ro) */
91 #define MII_PHYIDR2 0x03 /* ID register 2 (ro) */
92 #define IDR2_OUILSB 0xfc00 /* OUI LSB */
93 #define IDR2_MODEL 0x03f0 /* vendor model */
94 #define IDR2_REV 0x000f /* vendor revision */
96 #define MII_OUI(id1, id2) (((id1) << 6) | ((id2) >> 10))
97 #define MII_MODEL(id2) (((id2) & IDR2_MODEL) >> 4)
98 #define MII_REV(id2) ((id2) & IDR2_REV)
100 #define MII_ANAR 0x04 /* Autonegotiation advertisement (rw) */
101 #define ANAR_NP 0x8000 /* Next page (ro) */
102 #define ANAR_ACK 0x4000 /* link partner abilities acknowledged (ro) */
103 #define ANAR_RF 0x2000 /* remote fault (ro) */
104 #define ANAR_T4 0x0200 /* local device supports 100bT4 */
105 #define ANAR_TX_FD 0x0100 /* local device supports 100bTx FD */
106 #define ANAR_TX 0x0080 /* local device supports 100bTx */
107 #define ANAR_10_FD 0x0040 /* local device supports 10bT FD */
108 #define ANAR_10 0x0020 /* local device supports 10bT */
109 #define ANAR_CSMA 0x0001 /* protocol selector CSMA/CD */
111 #define MII_ANLPAR 0x05 /* Autonegotiation lnk partner abilities (rw) */
112 #define ANLPAR_NP 0x8000 /* Next page (ro) */
113 #define ANLPAR_ACK 0x4000 /* link partner accepted ACK (ro) */
114 #define ANLPAR_RF 0x2000 /* remote fault (ro) */
115 #define ANLPAR_T4 0x0200 /* link partner supports 100bT4 */
116 #define ANLPAR_TX_FD 0x0100 /* link partner supports 100bTx FD */
117 #define ANLPAR_TX 0x0080 /* link partner supports 100bTx */
118 #define ANLPAR_10_FD 0x0040 /* link partner supports 10bT FD */
119 #define ANLPAR_10 0x0020 /* link partner supports 10bT */
120 #define ANLPAR_CSMA 0x0001 /* protocol selector CSMA/CD */
122 #define MII_ANER 0x06 /* Autonegotiation expansion (ro) */
123 #define ANER_MLF 0x0010 /* multiple link detection fault */
124 #define ANER_LPNP 0x0008 /* link parter next page-able */
125 #define ANER_NP 0x0004 /* next page-able */
126 #define ANER_PAGE_RX 0x0002 /* Page received */
127 #define ANER_LPAN 0x0001 /* link parter autoneg-able */
129 #endif /* _DEV_MII_MII_H_ */