Merge branch 'topic/azt3328' into for-linus
[pandora-kernel.git] / drivers / net / sfc / gmii.h
index d25bbd1..dfccaa7 100644 (file)
@@ -1,7 +1,7 @@
 /****************************************************************************
  * Driver for Solarflare Solarstorm network controllers and boards
  * Copyright 2005-2006 Fen Systems Ltd.
- * Copyright 2006 Solarflare Communications Inc.
+ * 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
 #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 */