linux/drivers/net/sfc/gmii.h

/****************************************************************************
 * Driver for Solarflare Solarstorm network controllers and boards
 * Copyright 2005-2006 Fen Systems Ltd.
 * Copyright 2006-2008 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 EFX_GMII_H
#define EFX_GMII_H

/*
 * GMII interface
 */

#include <linux/mii.h>

/* GMII registers, excluding registers already defined as MII
 * registers in mii.h
 */
#define GMII_IER		0x12	/* Interrupt enable register */
#define GMII_ISR		0x13	/* Interrupt status register */

/* Interrupt enable register */
#define IER_ANEG_ERR		0x8000	/* Bit 15 - autonegotiation error */
#define IER_SPEED_CHG		0x4000	/* Bit 14 - speed changed */
#define IER_DUPLEX_CHG		0x2000	/* Bit 13 - duplex changed */
#define IER_PAGE_RCVD		0x1000	/* Bit 12 - page received */
#define IER_ANEG_DONE		0x0800	/* Bit 11 - autonegotiation complete */
#define IER_LINK_CHG		0x0400	/* Bit 10 - link status changed */
#define IER_SYM_ERR		0x0200	/* Bit 9 - symbol error */
#define IER_FALSE_CARRIER	0x0100	/* Bit 8 - false carrier */
#define IER_FIFO_ERR		0x0080	/* Bit 7 - FIFO over/underflow */
#define IER_MDIX_CHG		0x0040	/* Bit 6 - MDI crossover changed */
#define IER_DOWNSHIFT		0x0020	/* Bit 5 - downshift */
#define IER_ENERGY		0x0010	/* Bit 4 - energy detect */
#define IER_DTE_POWER		0x0004	/* Bit 2 - DTE power detect */
#define IER_POLARITY_CHG	0x0002	/* Bit 1 - polarity changed */
#define IER_JABBER		0x0001	/* Bit 0 - jabber */

/* Interrupt status register */
#define ISR_ANEG_ERR		0x8000	/* Bit 15 - autonegotiation error */
#define ISR_SPEED_CHG		0x4000	/* Bit 14 - speed changed */
#define ISR_DUPLEX_CHG		0x2000	/* Bit 13 - duplex changed */
#define ISR_PAGE_RCVD		0x1000	/* Bit 12 - page received */
#define ISR_ANEG_DONE		0x0800	/* Bit 11 - autonegotiation complete */
#define ISR_LINK_CHG		0x0400	/* Bit 10 - link status changed */
#define ISR_SYM_ERR		0x0200	/* Bit 9 - symbol error */
#define ISR_FALSE_CARRIER	0x0100	/* Bit 8 - false carrier */
#define ISR_FIFO_ERR		0x0080	/* Bit 7 - FIFO over/underflow */
#define ISR_MDIX_CHG		0x0040	/* Bit 6 - MDI crossover changed */
#define ISR_DOWNSHIFT		0x0020	/* Bit 5 - downshift */
#define ISR_ENERGY		0x0010	/* Bit 4 - energy detect */
#define ISR_DTE_POWER		0x0004	/* Bit 2 - DTE power detect */
#define ISR_POLARITY_CHG	0x0002	/* Bit 1 - polarity changed */
#define ISR_JABBER		0x0001	/* Bit 0 - jabber */

#endif /* EFX_GMII_H */