b43: Add LP-PHY read/write phyops
This adds read/write phyops for the LP-PHY and LP-PHY radios.
Signed-off-by: Michael Buesch <mb@bu3sch.de>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/drivers/net/wireless/b43/phy_lp.c b/drivers/net/wireless/b43/phy_lp.c
index be2a519..e769ca0 100644
--- a/drivers/net/wireless/b43/phy_lp.c
+++ b/drivers/net/wireless/b43/phy_lp.c
@@ -66,19 +66,29 @@
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 @@
/* 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,