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/****************************************************************************
* Driver for Solarflare Solarstorm network controllers and boards
* Copyright 2006 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_XENPACK_H
#define EFX_XENPACK_H
/* Exported functions from Xenpack standard PHY control */
#include "mdio_10g.h"
/****************************************************************************/
/* XENPACK MDIO register extensions */
#define MDIO_XP_LASI_RX_CTRL (0x9000)
#define MDIO_XP_LASI_TX_CTRL (0x9001)
#define MDIO_XP_LASI_CTRL (0x9002)
#define MDIO_XP_LASI_RX_STAT (0x9003)
#define MDIO_XP_LASI_TX_STAT (0x9004)
#define MDIO_XP_LASI_STAT (0x9005)
/* Control/Status bits */
#define XP_LASI_LS_ALARM (1 << 0)
#define XP_LASI_TX_ALARM (1 << 1)
#define XP_LASI_RX_ALARM (1 << 2)
/* These two are Quake vendor extensions to the standard XENPACK defines */
#define XP_LASI_LS_INTB (1 << 3)
#define XP_LASI_TEST (1 << 7)
/* Enable LASI interrupts for PHY */
static inline void xenpack_enable_lasi_irqs(struct efx_nic *efx)
{
int reg;
int phy_id = efx->mii.phy_id;
/* Read to clear LASI status register */
reg = mdio_clause45_read(efx, phy_id, MDIO_MMD_PMAPMD,
MDIO_XP_LASI_STAT);
mdio_clause45_write(efx, phy_id, MDIO_MMD_PMAPMD,
MDIO_XP_LASI_CTRL, XP_LASI_LS_ALARM);
}
/* Read the LASI interrupt status to clear the interrupt. */
static inline int xenpack_clear_lasi_irqs(struct efx_nic *efx)
{
/* Read to clear link status alarm */
return mdio_clause45_read(efx, efx->mii.phy_id,
MDIO_MMD_PMAPMD, MDIO_XP_LASI_STAT);
}
/* Turn off LASI interrupts */
static inline void xenpack_disable_lasi_irqs(struct efx_nic *efx)
{
mdio_clause45_write(efx, efx->mii.phy_id, MDIO_MMD_PMAPMD,
MDIO_XP_LASI_CTRL, 0);
}
#endif /* EFX_XENPACK_H */
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