diff options
Diffstat (limited to 'drivers/net/wireless/b43')
| -rw-r--r-- | drivers/net/wireless/b43/phy_lp.c | 23 |
1 files changed, 17 insertions, 6 deletions
diff --git a/drivers/net/wireless/b43/phy_lp.c b/drivers/net/wireless/b43/phy_lp.c index be2a5191f48..e769ca0b29a 100644 --- a/drivers/net/wireless/b43/phy_lp.c +++ b/drivers/net/wireless/b43/phy_lp.c @@ -66,19 +66,29 @@ static void b43_lpphy_op_exit(struct b43_wldev *dev) static u16 b43_lpphy_op_read(struct b43_wldev *dev, u16 reg) { - //TODO - return 0; + b43_write16(dev, B43_MMIO_PHY_CONTROL, reg); + return b43_read16(dev, B43_MMIO_PHY_DATA); } static void b43_lpphy_op_write(struct b43_wldev *dev, u16 reg, u16 value) { - //TODO + b43_write16(dev, B43_MMIO_PHY_CONTROL, reg); + b43_write16(dev, B43_MMIO_PHY_DATA, value); } static u16 b43_lpphy_op_radio_read(struct b43_wldev *dev, u16 reg) { - //TODO - return 0; + /* Register 1 is a 32-bit register. */ + B43_WARN_ON(reg == 1); + /* LP-PHY needs a special bit set for read access */ + if (dev->phy.rev < 2) { + if (reg != 0x4001) + reg |= 0x100; + } else + reg |= 0x200; + + b43_write16(dev, B43_MMIO_RADIO_CONTROL, reg); + return b43_read16(dev, B43_MMIO_RADIO_DATA_LOW); } static void b43_lpphy_op_radio_write(struct b43_wldev *dev, u16 reg, u16 value) @@ -86,7 +96,8 @@ static void b43_lpphy_op_radio_write(struct b43_wldev *dev, u16 reg, u16 value) /* Register 1 is a 32-bit register. */ B43_WARN_ON(reg == 1); - //TODO + b43_write16(dev, B43_MMIO_RADIO_CONTROL, reg); + b43_write16(dev, B43_MMIO_RADIO_DATA_LOW, value); } static void b43_lpphy_op_software_rfkill(struct b43_wldev *dev, |