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Diffstat (limited to 'drivers/net/sfc/gmii.h')
| -rw-r--r-- | drivers/net/sfc/gmii.h | 195 |
1 files changed, 0 insertions, 195 deletions
diff --git a/drivers/net/sfc/gmii.h b/drivers/net/sfc/gmii.h deleted file mode 100644 index d25bbd1297f..00000000000 --- a/drivers/net/sfc/gmii.h +++ /dev/null @@ -1,195 +0,0 @@ -/**************************************************************************** - * Driver for Solarflare Solarstorm network controllers and boards - * Copyright 2005-2006 Fen Systems Ltd. - * 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_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 */ - -/* Logically extended advertisement register */ -#define GM_ADVERTISE_SLCT ADVERTISE_SLCT -#define GM_ADVERTISE_CSMA ADVERTISE_CSMA -#define GM_ADVERTISE_10HALF ADVERTISE_10HALF -#define GM_ADVERTISE_1000XFULL ADVERTISE_1000XFULL -#define GM_ADVERTISE_10FULL ADVERTISE_10FULL -#define GM_ADVERTISE_1000XHALF ADVERTISE_1000XHALF -#define GM_ADVERTISE_100HALF ADVERTISE_100HALF -#define GM_ADVERTISE_1000XPAUSE ADVERTISE_1000XPAUSE -#define GM_ADVERTISE_100FULL ADVERTISE_100FULL -#define GM_ADVERTISE_1000XPSE_ASYM ADVERTISE_1000XPSE_ASYM -#define GM_ADVERTISE_100BASE4 ADVERTISE_100BASE4 -#define GM_ADVERTISE_PAUSE_CAP ADVERTISE_PAUSE_CAP -#define GM_ADVERTISE_PAUSE_ASYM ADVERTISE_PAUSE_ASYM -#define GM_ADVERTISE_RESV ADVERTISE_RESV -#define GM_ADVERTISE_RFAULT ADVERTISE_RFAULT -#define GM_ADVERTISE_LPACK ADVERTISE_LPACK -#define GM_ADVERTISE_NPAGE ADVERTISE_NPAGE -#define GM_ADVERTISE_1000FULL (ADVERTISE_1000FULL << 8) -#define GM_ADVERTISE_1000HALF (ADVERTISE_1000HALF << 8) -#define GM_ADVERTISE_1000 (GM_ADVERTISE_1000FULL | \ - GM_ADVERTISE_1000HALF) -#define GM_ADVERTISE_FULL (GM_ADVERTISE_1000FULL | \ - ADVERTISE_FULL) -#define GM_ADVERTISE_ALL (GM_ADVERTISE_1000FULL | \ - GM_ADVERTISE_1000HALF | \ - ADVERTISE_ALL) - -/* Logically extended link partner ability register */ -#define GM_LPA_SLCT LPA_SLCT -#define GM_LPA_10HALF LPA_10HALF -#define GM_LPA_1000XFULL LPA_1000XFULL -#define GM_LPA_10FULL LPA_10FULL -#define GM_LPA_1000XHALF LPA_1000XHALF -#define GM_LPA_100HALF LPA_100HALF -#define GM_LPA_1000XPAUSE LPA_1000XPAUSE -#define GM_LPA_100FULL LPA_100FULL -#define GM_LPA_1000XPAUSE_ASYM LPA_1000XPAUSE_ASYM -#define GM_LPA_100BASE4 LPA_100BASE4 -#define GM_LPA_PAUSE_CAP LPA_PAUSE_CAP -#define GM_LPA_PAUSE_ASYM LPA_PAUSE_ASYM -#define GM_LPA_RESV LPA_RESV -#define GM_LPA_RFAULT LPA_RFAULT -#define GM_LPA_LPACK LPA_LPACK -#define GM_LPA_NPAGE LPA_NPAGE -#define GM_LPA_1000FULL (LPA_1000FULL << 6) -#define GM_LPA_1000HALF (LPA_1000HALF << 6) -#define GM_LPA_10000FULL 0x00040000 -#define GM_LPA_10000HALF 0x00080000 -#define GM_LPA_DUPLEX (GM_LPA_1000FULL | GM_LPA_10000FULL \ - | LPA_DUPLEX) -#define GM_LPA_10 (LPA_10FULL | LPA_10HALF) -#define GM_LPA_100 LPA_100 -#define GM_LPA_1000 (GM_LPA_1000FULL | GM_LPA_1000HALF) -#define GM_LPA_10000 (GM_LPA_10000FULL | GM_LPA_10000HALF) - -/* Retrieve GMII autonegotiation advertised abilities - * - * The MII advertisment register (MII_ADVERTISE) is logically extended - * to include advertisement bits ADVERTISE_1000FULL and - * ADVERTISE_1000HALF from MII_CTRL1000. The result can be tested - * against the GM_ADVERTISE_xxx constants. - */ -static inline unsigned int gmii_advertised(struct mii_if_info *gmii) -{ - unsigned int advertise; - unsigned int ctrl1000; - - advertise = gmii->mdio_read(gmii->dev, gmii->phy_id, MII_ADVERTISE); - ctrl1000 = gmii->mdio_read(gmii->dev, gmii->phy_id, MII_CTRL1000); - return (((ctrl1000 << 8) & GM_ADVERTISE_1000) | advertise); -} - -/* Retrieve GMII autonegotiation link partner abilities - * - * The MII link partner ability register (MII_LPA) is logically - * extended by adding bits LPA_1000HALF and LPA_1000FULL from - * MII_STAT1000. The result can be tested against the GM_LPA_xxx - * constants. - */ -static inline unsigned int gmii_lpa(struct mii_if_info *gmii) -{ - unsigned int lpa; - unsigned int stat1000; - - lpa = gmii->mdio_read(gmii->dev, gmii->phy_id, MII_LPA); - stat1000 = gmii->mdio_read(gmii->dev, gmii->phy_id, MII_STAT1000); - return (((stat1000 << 6) & GM_LPA_1000) | lpa); -} - -/* Calculate GMII autonegotiated link technology - * - * "negotiated" should be the result of gmii_advertised() logically - * ANDed with the result of gmii_lpa(). - * - * "tech" will be negotiated with the unused bits masked out. For - * example, if both ends of the link are capable of both - * GM_LPA_1000FULL and GM_LPA_100FULL, GM_LPA_100FULL will be masked - * out. - */ -static inline unsigned int gmii_nway_result(unsigned int negotiated) -{ - unsigned int other_bits; - - /* Mask out the speed and duplexity bits */ - other_bits = negotiated & ~(GM_LPA_10 | GM_LPA_100 | GM_LPA_1000); - - if (negotiated & GM_LPA_1000FULL) - return (other_bits | GM_LPA_1000FULL); - else if (negotiated & GM_LPA_1000HALF) - return (other_bits | GM_LPA_1000HALF); - else - return (other_bits | mii_nway_result(negotiated)); -} - -/* Calculate GMII non-autonegotiated link technology - * - * This provides an equivalent to gmii_nway_result for the case when - * autonegotiation is disabled. - */ -static inline unsigned int gmii_forced_result(unsigned int bmcr) -{ - unsigned int result; - int full_duplex; - - full_duplex = bmcr & BMCR_FULLDPLX; - if (bmcr & BMCR_SPEED1000) - result = full_duplex ? GM_LPA_1000FULL : GM_LPA_1000HALF; - else if (bmcr & BMCR_SPEED100) - result = full_duplex ? GM_LPA_100FULL : GM_LPA_100HALF; - else - result = full_duplex ? GM_LPA_10FULL : GM_LPA_10HALF; - return result; -} - -#endif /* EFX_GMII_H */ |