forked from Minki/linux
63 lines
2.0 KiB
C
63 lines
2.0 KiB
C
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/****************************************************************************
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* Driver for Solarflare Solarstorm network controllers and boards
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* Copyright 2006 Solarflare Communications Inc.
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 as published
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* by the Free Software Foundation, incorporated herein by reference.
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*/
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#ifndef EFX_XENPACK_H
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#define EFX_XENPACK_H
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/* Exported functions from Xenpack standard PHY control */
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#include "mdio_10g.h"
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/****************************************************************************/
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/* XENPACK MDIO register extensions */
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#define MDIO_XP_LASI_RX_CTRL (0x9000)
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#define MDIO_XP_LASI_TX_CTRL (0x9001)
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#define MDIO_XP_LASI_CTRL (0x9002)
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#define MDIO_XP_LASI_RX_STAT (0x9003)
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#define MDIO_XP_LASI_TX_STAT (0x9004)
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#define MDIO_XP_LASI_STAT (0x9005)
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/* Control/Status bits */
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#define XP_LASI_LS_ALARM (1 << 0)
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#define XP_LASI_TX_ALARM (1 << 1)
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#define XP_LASI_RX_ALARM (1 << 2)
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/* These two are Quake vendor extensions to the standard XENPACK defines */
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#define XP_LASI_LS_INTB (1 << 3)
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#define XP_LASI_TEST (1 << 7)
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/* Enable LASI interrupts for PHY */
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static inline void xenpack_enable_lasi_irqs(struct efx_nic *efx)
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{
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int reg;
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int phy_id = efx->mii.phy_id;
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/* Read to clear LASI status register */
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reg = mdio_clause45_read(efx, phy_id, MDIO_MMD_PMAPMD,
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MDIO_XP_LASI_STAT);
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mdio_clause45_write(efx, phy_id, MDIO_MMD_PMAPMD,
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MDIO_XP_LASI_CTRL, XP_LASI_LS_ALARM);
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}
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/* Read the LASI interrupt status to clear the interrupt. */
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static inline int xenpack_clear_lasi_irqs(struct efx_nic *efx)
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{
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/* Read to clear link status alarm */
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return mdio_clause45_read(efx, efx->mii.phy_id,
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MDIO_MMD_PMAPMD, MDIO_XP_LASI_STAT);
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}
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/* Turn off LASI interrupts */
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static inline void xenpack_disable_lasi_irqs(struct efx_nic *efx)
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{
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mdio_clause45_write(efx, efx->mii.phy_id, MDIO_MMD_PMAPMD,
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MDIO_XP_LASI_CTRL, 0);
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}
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#endif /* EFX_XENPACK_H */
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