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author | Florian Fainelli <f.fainelli@gmail.com> | 2014-08-22 18:55:40 -0700 |
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committer | David S. Miller <davem@davemloft.net> | 2014-08-23 11:38:53 -0700 |
commit | 705314797b8b997554b7e9d0ea7b65a497356e53 (patch) | |
tree | d687efea56072223575739944125a7fc1ebae871 /include/linux/brcmphy.h | |
parent | 3af20efc0f83cdc65ce56ec108c0e81f602364df (diff) | |
download | linux-705314797b8b997554b7e9d0ea7b65a497356e53.tar.gz linux-705314797b8b997554b7e9d0ea7b65a497356e53.tar.bz2 linux-705314797b8b997554b7e9d0ea7b65a497356e53.zip |
net: phy: broadcom: move shadow 0x1C register accessors to brcmphy.h
The shadow register 0x1C is used both by the BCM54xxx PHYs and the
BCM7xxx internal PHYs, move the accessors to a common location so both
drivers can use them.
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'include/linux/brcmphy.h')
-rw-r--r-- | include/linux/brcmphy.h | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/include/linux/brcmphy.h b/include/linux/brcmphy.h index be31bf9f60c2..722cf26567fa 100644 --- a/include/linux/brcmphy.h +++ b/include/linux/brcmphy.h @@ -195,4 +195,24 @@ #define MII_BRCM_FET_SHDW_AUXSTAT2 0x1b /* Auxiliary status 2 */ #define MII_BRCM_FET_SHDW_AS2_APDE 0x0020 /* Auto power down enable */ +/* + * Indirect register access functions for the 1000BASE-T/100BASE-TX/10BASE-T + * 0x1c shadow registers. + */ +static inline int bcm54xx_shadow_read(struct phy_device *phydev, u16 shadow) +{ + phy_write(phydev, MII_BCM54XX_SHD, MII_BCM54XX_SHD_VAL(shadow)); + return MII_BCM54XX_SHD_DATA(phy_read(phydev, MII_BCM54XX_SHD)); +} + +static inline int bcm54xx_shadow_write(struct phy_device *phydev, u16 shadow, + u16 val) +{ + return phy_write(phydev, MII_BCM54XX_SHD, + MII_BCM54XX_SHD_WRITE | + MII_BCM54XX_SHD_VAL(shadow) | + MII_BCM54XX_SHD_DATA(val)); +} + + #endif /* _LINUX_BRCMPHY_H */ |