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Diffstat (limited to 'include/linux/mdio.h')
| -rw-r--r-- | include/linux/mdio.h | 278 | 
1 files changed, 278 insertions, 0 deletions
| diff --git a/include/linux/mdio.h b/include/linux/mdio.h new file mode 100644 index 000000000..022d77214 --- /dev/null +++ b/include/linux/mdio.h @@ -0,0 +1,278 @@ +/* + * linux/mdio.h: definitions for MDIO (clause 45) transceivers + * Copyright 2006-2009 Solarflare Communications Inc. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License version 2 as published + * by the Free Software Foundation, incorporated herein by reference. + */ + +#ifndef __LINUX_MDIO_H__ +#define __LINUX_MDIO_H__ + +#include <linux/mii.h> + +/* MDIO Manageable Devices (MMDs). */ +#define MDIO_MMD_PMAPMD		1	/* Physical Medium Attachment/ +					 * Physical Medium Dependent */ +#define MDIO_MMD_WIS		2	/* WAN Interface Sublayer */ +#define MDIO_MMD_PCS		3	/* Physical Coding Sublayer */ +#define MDIO_MMD_PHYXS		4	/* PHY Extender Sublayer */ +#define MDIO_MMD_DTEXS		5	/* DTE Extender Sublayer */ +#define MDIO_MMD_TC		6	/* Transmission Convergence */ +#define MDIO_MMD_AN		7	/* Auto-Negotiation */ +#define MDIO_MMD_C22EXT		29	/* Clause 22 extension */ +#define MDIO_MMD_VEND1		30	/* Vendor specific 1 */ +#define MDIO_MMD_VEND2		31	/* Vendor specific 2 */ + +/* Generic MDIO registers. */ +#define MDIO_CTRL1		MII_BMCR +#define MDIO_STAT1		MII_BMSR +#define MDIO_DEVID1		MII_PHYSID1 +#define MDIO_DEVID2		MII_PHYSID2 +#define MDIO_SPEED		4	/* Speed ability */ +#define MDIO_DEVS1		5	/* Devices in package */ +#define MDIO_DEVS2		6 +#define MDIO_CTRL2		7	/* 10G control 2 */ +#define MDIO_STAT2		8	/* 10G status 2 */ +#define MDIO_PMA_TXDIS		9	/* 10G PMA/PMD transmit disable */ +#define MDIO_PMA_RXDET		10	/* 10G PMA/PMD receive signal detect */ +#define MDIO_PMA_EXTABLE	11	/* 10G PMA/PMD extended ability */ +#define MDIO_PKGID1		14	/* Package identifier */ +#define MDIO_PKGID2		15 +#define MDIO_AN_ADVERTISE	16	/* AN advertising (base page) */ +#define MDIO_AN_LPA		19	/* AN LP abilities (base page) */ +#define MDIO_PHYXS_LNSTAT	24	/* PHY XGXS lane state */ + +/* Media-dependent registers. */ +#define MDIO_PMA_10GBT_SWAPPOL	130	/* 10GBASE-T pair swap & polarity */ +#define MDIO_PMA_10GBT_TXPWR	131	/* 10GBASE-T TX power control */ +#define MDIO_PMA_10GBT_SNR	133	/* 10GBASE-T SNR margin, lane A. +					 * Lanes B-D are numbered 134-136. */ +#define MDIO_PMA_10GBR_FECABLE	170	/* 10GBASE-R FEC ability */ +#define MDIO_PCS_10GBX_STAT1	24	/* 10GBASE-X PCS status 1 */ +#define MDIO_PCS_10GBRT_STAT1	32	/* 10GBASE-R/-T PCS status 1 */ +#define MDIO_PCS_10GBRT_STAT2	33	/* 10GBASE-R/-T PCS status 2 */ +#define MDIO_AN_10GBT_CTRL	32	/* 10GBASE-T auto-negotiation control */ +#define MDIO_AN_10GBT_STAT	33	/* 10GBASE-T auto-negotiation status */ +#define MDIO_AN_EEE_ADV		60	/* EEE advertisement */ + +/* LASI (Link Alarm Status Interrupt) registers, defined by XENPAK MSA. */ +#define MDIO_PMA_LASI_RXCTRL	0x9000	/* RX_ALARM control */ +#define MDIO_PMA_LASI_TXCTRL	0x9001	/* TX_ALARM control */ +#define MDIO_PMA_LASI_CTRL	0x9002	/* LASI control */ +#define MDIO_PMA_LASI_RXSTAT	0x9003	/* RX_ALARM status */ +#define MDIO_PMA_LASI_TXSTAT	0x9004	/* TX_ALARM status */ +#define MDIO_PMA_LASI_STAT	0x9005	/* LASI status */ + +/* Control register 1. */ +/* Enable extended speed selection */ +#define MDIO_CTRL1_SPEEDSELEXT		(BMCR_SPEED1000 | BMCR_SPEED100) +/* All speed selection bits */ +#define MDIO_CTRL1_SPEEDSEL		(MDIO_CTRL1_SPEEDSELEXT | 0x003c) +#define MDIO_CTRL1_FULLDPLX		BMCR_FULLDPLX +#define MDIO_CTRL1_LPOWER		BMCR_PDOWN +#define MDIO_CTRL1_RESET		BMCR_RESET +#define MDIO_PMA_CTRL1_LOOPBACK		0x0001 +#define MDIO_PMA_CTRL1_SPEED1000	BMCR_SPEED1000 +#define MDIO_PMA_CTRL1_SPEED100		BMCR_SPEED100 +#define MDIO_PCS_CTRL1_LOOPBACK		BMCR_LOOPBACK +#define MDIO_PHYXS_CTRL1_LOOPBACK	BMCR_LOOPBACK +#define MDIO_AN_CTRL1_RESTART		BMCR_ANRESTART +#define MDIO_AN_CTRL1_ENABLE		BMCR_ANENABLE +#define MDIO_AN_CTRL1_XNP		0x2000	/* Enable extended next page */ + +/* 10 Gb/s */ +#define MDIO_CTRL1_SPEED10G		(MDIO_CTRL1_SPEEDSELEXT | 0x00) +/* 10PASS-TS/2BASE-TL */ +#define MDIO_CTRL1_SPEED10P2B		(MDIO_CTRL1_SPEEDSELEXT | 0x04) + +/* Status register 1. */ +#define MDIO_STAT1_LPOWERABLE		0x0002	/* Low-power ability */ +#define MDIO_STAT1_LSTATUS		BMSR_LSTATUS +#define MDIO_STAT1_FAULT		0x0080	/* Fault */ +#define MDIO_AN_STAT1_LPABLE		0x0001	/* Link partner AN ability */ +#define MDIO_AN_STAT1_ABLE		BMSR_ANEGCAPABLE +#define MDIO_AN_STAT1_RFAULT		BMSR_RFAULT +#define MDIO_AN_STAT1_COMPLETE		BMSR_ANEGCOMPLETE +#define MDIO_AN_STAT1_PAGE		0x0040	/* Page received */ +#define MDIO_AN_STAT1_XNP		0x0080	/* Extended next page status */ + +/* Speed register. */ +#define MDIO_SPEED_10G			0x0001	/* 10G capable */ +#define MDIO_PMA_SPEED_2B		0x0002	/* 2BASE-TL capable */ +#define MDIO_PMA_SPEED_10P		0x0004	/* 10PASS-TS capable */ +#define MDIO_PMA_SPEED_1000		0x0010	/* 1000M capable */ +#define MDIO_PMA_SPEED_100		0x0020	/* 100M capable */ +#define MDIO_PMA_SPEED_10		0x0040	/* 10M capable */ +#define MDIO_PCS_SPEED_10P2B		0x0002	/* 10PASS-TS/2BASE-TL capable */ + +/* Device present registers. */ +#define MDIO_DEVS_PRESENT(devad)	(1 << (devad)) +#define MDIO_DEVS_PMAPMD		MDIO_DEVS_PRESENT(MDIO_MMD_PMAPMD) +#define MDIO_DEVS_WIS			MDIO_DEVS_PRESENT(MDIO_MMD_WIS) +#define MDIO_DEVS_PCS			MDIO_DEVS_PRESENT(MDIO_MMD_PCS) +#define MDIO_DEVS_PHYXS			MDIO_DEVS_PRESENT(MDIO_MMD_PHYXS) +#define MDIO_DEVS_DTEXS			MDIO_DEVS_PRESENT(MDIO_MMD_DTEXS) +#define MDIO_DEVS_TC			MDIO_DEVS_PRESENT(MDIO_MMD_TC) +#define MDIO_DEVS_AN			MDIO_DEVS_PRESENT(MDIO_MMD_AN) +#define MDIO_DEVS_C22EXT		MDIO_DEVS_PRESENT(MDIO_MMD_C22EXT) +#define MDIO_DEVS_VEND1			MDIO_DEVS_PRESENT(MDIO_MMD_VEND1) +#define MDIO_DEVS_VEND2			MDIO_DEVS_PRESENT(MDIO_MMD_VEND2) + + +/* Control register 2. */ +#define MDIO_PMA_CTRL2_TYPE		0x000f	/* PMA/PMD type selection */ +#define MDIO_PMA_CTRL2_10GBCX4		0x0000	/* 10GBASE-CX4 type */ +#define MDIO_PMA_CTRL2_10GBEW		0x0001	/* 10GBASE-EW type */ +#define MDIO_PMA_CTRL2_10GBLW		0x0002	/* 10GBASE-LW type */ +#define MDIO_PMA_CTRL2_10GBSW		0x0003	/* 10GBASE-SW type */ +#define MDIO_PMA_CTRL2_10GBLX4		0x0004	/* 10GBASE-LX4 type */ +#define MDIO_PMA_CTRL2_10GBER		0x0005	/* 10GBASE-ER type */ +#define MDIO_PMA_CTRL2_10GBLR		0x0006	/* 10GBASE-LR type */ +#define MDIO_PMA_CTRL2_10GBSR		0x0007	/* 10GBASE-SR type */ +#define MDIO_PMA_CTRL2_10GBLRM		0x0008	/* 10GBASE-LRM type */ +#define MDIO_PMA_CTRL2_10GBT		0x0009	/* 10GBASE-T type */ +#define MDIO_PMA_CTRL2_10GBKX4		0x000a	/* 10GBASE-KX4 type */ +#define MDIO_PMA_CTRL2_10GBKR		0x000b	/* 10GBASE-KR type */ +#define MDIO_PMA_CTRL2_1000BT		0x000c	/* 1000BASE-T type */ +#define MDIO_PMA_CTRL2_1000BKX		0x000d	/* 1000BASE-KX type */ +#define MDIO_PMA_CTRL2_100BTX		0x000e	/* 100BASE-TX type */ +#define MDIO_PMA_CTRL2_10BT		0x000f	/* 10BASE-T type */ +#define MDIO_PCS_CTRL2_TYPE		0x0003	/* PCS type selection */ +#define MDIO_PCS_CTRL2_10GBR		0x0000	/* 10GBASE-R type */ +#define MDIO_PCS_CTRL2_10GBX		0x0001	/* 10GBASE-X type */ +#define MDIO_PCS_CTRL2_10GBW		0x0002	/* 10GBASE-W type */ +#define MDIO_PCS_CTRL2_10GBT		0x0003	/* 10GBASE-T type */ + +/* Status register 2. */ +#define MDIO_STAT2_RXFAULT		0x0400	/* Receive fault */ +#define MDIO_STAT2_TXFAULT		0x0800	/* Transmit fault */ +#define MDIO_STAT2_DEVPRST		0xc000	/* Device present */ +#define MDIO_STAT2_DEVPRST_VAL		0x8000	/* Device present value */ +#define MDIO_PMA_STAT2_LBABLE		0x0001	/* PMA loopback ability */ +#define MDIO_PMA_STAT2_10GBEW		0x0002	/* 10GBASE-EW ability */ +#define MDIO_PMA_STAT2_10GBLW		0x0004	/* 10GBASE-LW ability */ +#define MDIO_PMA_STAT2_10GBSW		0x0008	/* 10GBASE-SW ability */ +#define MDIO_PMA_STAT2_10GBLX4		0x0010	/* 10GBASE-LX4 ability */ +#define MDIO_PMA_STAT2_10GBER		0x0020	/* 10GBASE-ER ability */ +#define MDIO_PMA_STAT2_10GBLR		0x0040	/* 10GBASE-LR ability */ +#define MDIO_PMA_STAT2_10GBSR		0x0080	/* 10GBASE-SR ability */ +#define MDIO_PMD_STAT2_TXDISAB		0x0100	/* PMD TX disable ability */ +#define MDIO_PMA_STAT2_EXTABLE		0x0200	/* Extended abilities */ +#define MDIO_PMA_STAT2_RXFLTABLE	0x1000	/* Receive fault ability */ +#define MDIO_PMA_STAT2_TXFLTABLE	0x2000	/* Transmit fault ability */ +#define MDIO_PCS_STAT2_10GBR		0x0001	/* 10GBASE-R capable */ +#define MDIO_PCS_STAT2_10GBX		0x0002	/* 10GBASE-X capable */ +#define MDIO_PCS_STAT2_10GBW		0x0004	/* 10GBASE-W capable */ +#define MDIO_PCS_STAT2_RXFLTABLE	0x1000	/* Receive fault ability */ +#define MDIO_PCS_STAT2_TXFLTABLE	0x2000	/* Transmit fault ability */ + +/* Transmit disable register. */ +#define MDIO_PMD_TXDIS_GLOBAL		0x0001	/* Global PMD TX disable */ +#define MDIO_PMD_TXDIS_0		0x0002	/* PMD TX disable 0 */ +#define MDIO_PMD_TXDIS_1		0x0004	/* PMD TX disable 1 */ +#define MDIO_PMD_TXDIS_2		0x0008	/* PMD TX disable 2 */ +#define MDIO_PMD_TXDIS_3		0x0010	/* PMD TX disable 3 */ + +/* Receive signal detect register. */ +#define MDIO_PMD_RXDET_GLOBAL		0x0001	/* Global PMD RX signal detect */ +#define MDIO_PMD_RXDET_0		0x0002	/* PMD RX signal detect 0 */ +#define MDIO_PMD_RXDET_1		0x0004	/* PMD RX signal detect 1 */ +#define MDIO_PMD_RXDET_2		0x0008	/* PMD RX signal detect 2 */ +#define MDIO_PMD_RXDET_3		0x0010	/* PMD RX signal detect 3 */ + +/* Extended abilities register. */ +#define MDIO_PMA_EXTABLE_10GCX4		0x0001	/* 10GBASE-CX4 ability */ +#define MDIO_PMA_EXTABLE_10GBLRM	0x0002	/* 10GBASE-LRM ability */ +#define MDIO_PMA_EXTABLE_10GBT		0x0004	/* 10GBASE-T ability */ +#define MDIO_PMA_EXTABLE_10GBKX4	0x0008	/* 10GBASE-KX4 ability */ +#define MDIO_PMA_EXTABLE_10GBKR		0x0010	/* 10GBASE-KR ability */ +#define MDIO_PMA_EXTABLE_1000BT		0x0020	/* 1000BASE-T ability */ +#define MDIO_PMA_EXTABLE_1000BKX	0x0040	/* 1000BASE-KX ability */ +#define MDIO_PMA_EXTABLE_100BTX		0x0080	/* 100BASE-TX ability */ +#define MDIO_PMA_EXTABLE_10BT		0x0100	/* 10BASE-T ability */ + +/* PHY XGXS lane state register. */ +#define MDIO_PHYXS_LNSTAT_SYNC0		0x0001 +#define MDIO_PHYXS_LNSTAT_SYNC1		0x0002 +#define MDIO_PHYXS_LNSTAT_SYNC2		0x0004 +#define MDIO_PHYXS_LNSTAT_SYNC3		0x0008 +#define MDIO_PHYXS_LNSTAT_ALIGN		0x1000 + +/* PMA 10GBASE-T pair swap & polarity */ +#define MDIO_PMA_10GBT_SWAPPOL_ABNX	0x0001	/* Pair A/B uncrossed */ +#define MDIO_PMA_10GBT_SWAPPOL_CDNX	0x0002	/* Pair C/D uncrossed */ +#define MDIO_PMA_10GBT_SWAPPOL_AREV	0x0100	/* Pair A polarity reversed */ +#define MDIO_PMA_10GBT_SWAPPOL_BREV	0x0200	/* Pair B polarity reversed */ +#define MDIO_PMA_10GBT_SWAPPOL_CREV	0x0400	/* Pair C polarity reversed */ +#define MDIO_PMA_10GBT_SWAPPOL_DREV	0x0800	/* Pair D polarity reversed */ + +/* PMA 10GBASE-T TX power register. */ +#define MDIO_PMA_10GBT_TXPWR_SHORT	0x0001	/* Short-reach mode */ + +/* PMA 10GBASE-T SNR registers. */ +/* Value is SNR margin in dB, clamped to range [-127, 127], plus 0x8000. */ +#define MDIO_PMA_10GBT_SNR_BIAS		0x8000 +#define MDIO_PMA_10GBT_SNR_MAX		127 + +/* PMA 10GBASE-R FEC ability register. */ +#define MDIO_PMA_10GBR_FECABLE_ABLE	0x0001	/* FEC ability */ +#define MDIO_PMA_10GBR_FECABLE_ERRABLE	0x0002	/* FEC error indic. ability */ + +/* PCS 10GBASE-R/-T status register 1. */ +#define MDIO_PCS_10GBRT_STAT1_BLKLK	0x0001	/* Block lock attained */ + +/* PCS 10GBASE-R/-T status register 2. */ +#define MDIO_PCS_10GBRT_STAT2_ERR	0x00ff +#define MDIO_PCS_10GBRT_STAT2_BER	0x3f00 + +/* AN 10GBASE-T control register. */ +#define MDIO_AN_10GBT_CTRL_ADV10G	0x1000	/* Advertise 10GBASE-T */ + +/* AN 10GBASE-T status register. */ +#define MDIO_AN_10GBT_STAT_LPTRR	0x0200	/* LP training reset req. */ +#define MDIO_AN_10GBT_STAT_LPLTABLE	0x0400	/* LP loop timing ability */ +#define MDIO_AN_10GBT_STAT_LP10G	0x0800	/* LP is 10GBT capable */ +#define MDIO_AN_10GBT_STAT_REMOK	0x1000	/* Remote OK */ +#define MDIO_AN_10GBT_STAT_LOCOK	0x2000	/* Local OK */ +#define MDIO_AN_10GBT_STAT_MS		0x4000	/* Master/slave config */ +#define MDIO_AN_10GBT_STAT_MSFLT	0x8000	/* Master/slave config fault */ + +/* AN EEE Advertisement register. */ +#define MDIO_AN_EEE_ADV_100TX		0x0002	/* Advertise 100TX EEE cap */ +#define MDIO_AN_EEE_ADV_1000T		0x0004	/* Advertise 1000T EEE cap */ + +/* LASI RX_ALARM control/status registers. */ +#define MDIO_PMA_LASI_RX_PHYXSLFLT	0x0001	/* PHY XS RX local fault */ +#define MDIO_PMA_LASI_RX_PCSLFLT	0x0008	/* PCS RX local fault */ +#define MDIO_PMA_LASI_RX_PMALFLT	0x0010	/* PMA/PMD RX local fault */ +#define MDIO_PMA_LASI_RX_OPTICPOWERFLT	0x0020	/* RX optical power fault */ +#define MDIO_PMA_LASI_RX_WISLFLT	0x0200	/* WIS local fault */ + +/* LASI TX_ALARM control/status registers. */ +#define MDIO_PMA_LASI_TX_PHYXSLFLT	0x0001	/* PHY XS TX local fault */ +#define MDIO_PMA_LASI_TX_PCSLFLT	0x0008	/* PCS TX local fault */ +#define MDIO_PMA_LASI_TX_PMALFLT	0x0010	/* PMA/PMD TX local fault */ +#define MDIO_PMA_LASI_TX_LASERPOWERFLT	0x0080	/* Laser output power fault */ +#define MDIO_PMA_LASI_TX_LASERTEMPFLT	0x0100	/* Laser temperature fault */ +#define MDIO_PMA_LASI_TX_LASERBICURRFLT	0x0200	/* Laser bias current fault */ + +/* LASI control/status registers. */ +#define MDIO_PMA_LASI_LSALARM		0x0001	/* LS_ALARM enable/status */ +#define MDIO_PMA_LASI_TXALARM		0x0002	/* TX_ALARM enable/status */ +#define MDIO_PMA_LASI_RXALARM		0x0004	/* RX_ALARM enable/status */ + +/* Mapping between MDIO PRTAD/DEVAD and mii_ioctl_data::phy_id */ + +#define MDIO_PHY_ID_C45			0x8000 +#define MDIO_PHY_ID_PRTAD		0x03e0 +#define MDIO_PHY_ID_DEVAD		0x001f +#define MDIO_PHY_ID_C45_MASK						\ +	(MDIO_PHY_ID_C45 | MDIO_PHY_ID_PRTAD | MDIO_PHY_ID_DEVAD) + +#define MDIO_PRTAD_NONE			(-1) +#define MDIO_DEVAD_NONE			(-1) +#define MDIO_EMULATE_C22		4 + +#endif /* __LINUX_MDIO_H__ */ |