| /**************************************************************************** |
| * 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 */ |