1/*
2 * linux/mii.h: definitions for MII-compatible transceivers
3 * Originally drivers/net/sunhme.h.
4 *
5 * Copyright (C) 1996, 1999, 2001 David S. Miller (davem@redhat.com)
6 */
7
8#ifndef _UAPI__LINUX_MII_H__
9#define _UAPI__LINUX_MII_H__
10
11#include <linux/types.h>
12#include <linux/ethtool.h>
13
14/* Generic MII registers. */
15#define MII_BMCR		0x00	/* Basic mode control register */
16#define MII_BMSR		0x01	/* Basic mode status register  */
17#define MII_PHYSID1		0x02	/* PHYS ID 1                   */
18#define MII_PHYSID2		0x03	/* PHYS ID 2                   */
19#define MII_ADVERTISE		0x04	/* Advertisement control reg   */
20#define MII_LPA			0x05	/* Link partner ability reg    */
21#define MII_EXPANSION		0x06	/* Expansion register          */
22#define MII_CTRL1000		0x09	/* 1000BASE-T control          */
23#define MII_STAT1000		0x0a	/* 1000BASE-T status           */
24#define	MII_MMD_CTRL		0x0d	/* MMD Access Control Register */
25#define	MII_MMD_DATA		0x0e	/* MMD Access Data Register */
26#define MII_ESTATUS		0x0f	/* Extended Status             */
27#define MII_DCOUNTER		0x12	/* Disconnect counter          */
28#define MII_FCSCOUNTER		0x13	/* False carrier counter       */
29#define MII_NWAYTEST		0x14	/* N-way auto-neg test reg     */
30#define MII_RERRCOUNTER		0x15	/* Receive error counter       */
31#define MII_SREVISION		0x16	/* Silicon revision            */
32#define MII_RESV1		0x17	/* Reserved...                 */
33#define MII_LBRERROR		0x18	/* Lpback, rx, bypass error    */
34#define MII_PHYADDR		0x19	/* PHY address                 */
35#define MII_RESV2		0x1a	/* Reserved...                 */
36#define MII_TPISTATUS		0x1b	/* TPI status for 10mbps       */
37#define MII_NCONFIG		0x1c	/* Network interface config    */
38
39/* Basic mode control register. */
40#define BMCR_RESV		0x003f	/* Unused...                   */
41#define BMCR_SPEED1000		0x0040	/* MSB of Speed (1000)         */
42#define BMCR_CTST		0x0080	/* Collision test              */
43#define BMCR_FULLDPLX		0x0100	/* Full duplex                 */
44#define BMCR_ANRESTART		0x0200	/* Auto negotiation restart    */
45#define BMCR_ISOLATE		0x0400	/* Isolate data paths from MII */
46#define BMCR_PDOWN		0x0800	/* Enable low power state      */
47#define BMCR_ANENABLE		0x1000	/* Enable auto negotiation     */
48#define BMCR_SPEED100		0x2000	/* Select 100Mbps              */
49#define BMCR_LOOPBACK		0x4000	/* TXD loopback bits           */
50#define BMCR_RESET		0x8000	/* Reset to default state      */
51
52/* Basic mode status register. */
53#define BMSR_ERCAP		0x0001	/* Ext-reg capability          */
54#define BMSR_JCD		0x0002	/* Jabber detected             */
55#define BMSR_LSTATUS		0x0004	/* Link status                 */
56#define BMSR_ANEGCAPABLE	0x0008	/* Able to do auto-negotiation */
57#define BMSR_RFAULT		0x0010	/* Remote fault detected       */
58#define BMSR_ANEGCOMPLETE	0x0020	/* Auto-negotiation complete   */
59#define BMSR_RESV		0x00c0	/* Unused...                   */
60#define BMSR_ESTATEN		0x0100	/* Extended Status in R15      */
61#define BMSR_100HALF2		0x0200	/* Can do 100BASE-T2 HDX       */
62#define BMSR_100FULL2		0x0400	/* Can do 100BASE-T2 FDX       */
63#define BMSR_10HALF		0x0800	/* Can do 10mbps, half-duplex  */
64#define BMSR_10FULL		0x1000	/* Can do 10mbps, full-duplex  */
65#define BMSR_100HALF		0x2000	/* Can do 100mbps, half-duplex */
66#define BMSR_100FULL		0x4000	/* Can do 100mbps, full-duplex */
67#define BMSR_100BASE4		0x8000	/* Can do 100mbps, 4k packets  */
68
69/* Advertisement control register. */
70#define ADVERTISE_SLCT		0x001f	/* Selector bits               */
71#define ADVERTISE_CSMA		0x0001	/* Only selector supported     */
72#define ADVERTISE_10HALF	0x0020	/* Try for 10mbps half-duplex  */
73#define ADVERTISE_1000XFULL	0x0020	/* Try for 1000BASE-X full-duplex */
74#define ADVERTISE_10FULL	0x0040	/* Try for 10mbps full-duplex  */
75#define ADVERTISE_1000XHALF	0x0040	/* Try for 1000BASE-X half-duplex */
76#define ADVERTISE_100HALF	0x0080	/* Try for 100mbps half-duplex */
77#define ADVERTISE_1000XPAUSE	0x0080	/* Try for 1000BASE-X pause    */
78#define ADVERTISE_100FULL	0x0100	/* Try for 100mbps full-duplex */
79#define ADVERTISE_1000XPSE_ASYM	0x0100	/* Try for 1000BASE-X asym pause */
80#define ADVERTISE_100BASE4	0x0200	/* Try for 100mbps 4k packets  */
81#define ADVERTISE_PAUSE_CAP	0x0400	/* Try for pause               */
82#define ADVERTISE_PAUSE_ASYM	0x0800	/* Try for asymetric pause     */
83#define ADVERTISE_RESV		0x1000	/* Unused...                   */
84#define ADVERTISE_RFAULT	0x2000	/* Say we can detect faults    */
85#define ADVERTISE_LPACK		0x4000	/* Ack link partners response  */
86#define ADVERTISE_NPAGE		0x8000	/* Next page bit               */
87
88#define ADVERTISE_FULL		(ADVERTISE_100FULL | ADVERTISE_10FULL | \
89				  ADVERTISE_CSMA)
90#define ADVERTISE_ALL		(ADVERTISE_10HALF | ADVERTISE_10FULL | \
91				  ADVERTISE_100HALF | ADVERTISE_100FULL)
92
93/* Link partner ability register. */
94#define LPA_SLCT		0x001f	/* Same as advertise selector  */
95#define LPA_10HALF		0x0020	/* Can do 10mbps half-duplex   */
96#define LPA_1000XFULL		0x0020	/* Can do 1000BASE-X full-duplex */
97#define LPA_10FULL		0x0040	/* Can do 10mbps full-duplex   */
98#define LPA_1000XHALF		0x0040	/* Can do 1000BASE-X half-duplex */
99#define LPA_100HALF		0x0080	/* Can do 100mbps half-duplex  */
100#define LPA_1000XPAUSE		0x0080	/* Can do 1000BASE-X pause     */
101#define LPA_100FULL		0x0100	/* Can do 100mbps full-duplex  */
102#define LPA_1000XPAUSE_ASYM	0x0100	/* Can do 1000BASE-X pause asym*/
103#define LPA_100BASE4		0x0200	/* Can do 100mbps 4k packets   */
104#define LPA_PAUSE_CAP		0x0400	/* Can pause                   */
105#define LPA_PAUSE_ASYM		0x0800	/* Can pause asymetrically     */
106#define LPA_RESV		0x1000	/* Unused...                   */
107#define LPA_RFAULT		0x2000	/* Link partner faulted        */
108#define LPA_LPACK		0x4000	/* Link partner acked us       */
109#define LPA_NPAGE		0x8000	/* Next page bit               */
110
111#define LPA_DUPLEX		(LPA_10FULL | LPA_100FULL)
112#define LPA_100			(LPA_100FULL | LPA_100HALF | LPA_100BASE4)
113
114/* Expansion register for auto-negotiation. */
115#define EXPANSION_NWAY		0x0001	/* Can do N-way auto-nego      */
116#define EXPANSION_LCWP		0x0002	/* Got new RX page code word   */
117#define EXPANSION_ENABLENPAGE	0x0004	/* This enables npage words    */
118#define EXPANSION_NPCAPABLE	0x0008	/* Link partner supports npage */
119#define EXPANSION_MFAULTS	0x0010	/* Multiple faults detected    */
120#define EXPANSION_RESV		0xffe0	/* Unused...                   */
121
122#define ESTATUS_1000_TFULL	0x2000	/* Can do 1000BT Full          */
123#define ESTATUS_1000_THALF	0x1000	/* Can do 1000BT Half          */
124
125/* N-way test register. */
126#define NWAYTEST_RESV1		0x00ff	/* Unused...                   */
127#define NWAYTEST_LOOPBACK	0x0100	/* Enable loopback for N-way   */
128#define NWAYTEST_RESV2		0xfe00	/* Unused...                   */
129
130/* 1000BASE-T Control register */
131#define ADVERTISE_1000FULL	0x0200  /* Advertise 1000BASE-T full duplex */
132#define ADVERTISE_1000HALF	0x0100  /* Advertise 1000BASE-T half duplex */
133#define CTL1000_AS_MASTER	0x0800
134#define CTL1000_ENABLE_MASTER	0x1000
135
136/* 1000BASE-T Status register */
137#define LPA_1000LOCALRXOK	0x2000	/* Link partner local receiver status */
138#define LPA_1000REMRXOK		0x1000	/* Link partner remote receiver status */
139#define LPA_1000FULL		0x0800	/* Link partner 1000BASE-T full duplex */
140#define LPA_1000HALF		0x0400	/* Link partner 1000BASE-T half duplex */
141
142/* Flow control flags */
143#define FLOW_CTRL_TX		0x01
144#define FLOW_CTRL_RX		0x02
145
146/* MMD Access Control register fields */
147#define MII_MMD_CTRL_DEVAD_MASK	0x1f	/* Mask MMD DEVAD*/
148#define MII_MMD_CTRL_ADDR	0x0000	/* Address */
149#define MII_MMD_CTRL_NOINCR	0x4000	/* no post increment */
150#define MII_MMD_CTRL_INCR_RDWT	0x8000	/* post increment on reads & writes */
151#define MII_MMD_CTRL_INCR_ON_WT	0xC000	/* post increment on writes only */
152
153/* This structure is used in all SIOCxMIIxxx ioctl calls */
154struct mii_ioctl_data {
155	__u16		phy_id;
156	__u16		reg_num;
157	__u16		val_in;
158	__u16		val_out;
159};
160
161#endif /* _UAPI__LINUX_MII_H__ */
162