b43: Refactor and update antenna diversity for A/G-PHY
-Make use of the b43_phy_set/mask/maskset helpers.
-Fix a few errors in the code.
-Make the code more readable.
Signed-off-by: Gábor Stefanik <netrolller.3d@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/drivers/net/wireless/b43/phy_a.c b/drivers/net/wireless/b43/phy_a.c
index 809ec97..d90217c 100644
--- a/drivers/net/wireless/b43/phy_a.c
+++ b/drivers/net/wireless/b43/phy_a.c
@@ -518,58 +518,40 @@
static void b43_aphy_op_set_rx_antenna(struct b43_wldev *dev, int antenna)
{//TODO
struct b43_phy *phy = &dev->phy;
- u64 hf;
u16 tmp;
int autodiv = 0;
if (antenna == B43_ANTENNA_AUTO0 || antenna == B43_ANTENNA_AUTO1)
autodiv = 1;
- hf = b43_hf_read(dev);
- hf &= ~B43_HF_ANTDIVHELP;
- b43_hf_write(dev, hf);
+ b43_hf_write(dev, b43_hf_read(dev) & ~B43_HF_ANTDIVHELP);
- tmp = b43_phy_read(dev, B43_PHY_BBANDCFG);
- tmp &= ~B43_PHY_BBANDCFG_RXANT;
- tmp |= (autodiv ? B43_ANTENNA_AUTO1 : antenna)
- << B43_PHY_BBANDCFG_RXANT_SHIFT;
- b43_phy_write(dev, B43_PHY_BBANDCFG, tmp);
+ b43_phy_maskset(dev, B43_PHY_BBANDCFG, ~B43_PHY_BBANDCFG_RXANT,
+ (autodiv ? B43_ANTENNA_AUTO1 : antenna) <<
+ B43_PHY_BBANDCFG_RXANT_SHIFT);
if (autodiv) {
tmp = b43_phy_read(dev, B43_PHY_ANTDWELL);
- if (antenna == B43_ANTENNA_AUTO0)
+ if (antenna == B43_ANTENNA_AUTO1)
tmp &= ~B43_PHY_ANTDWELL_AUTODIV1;
else
tmp |= B43_PHY_ANTDWELL_AUTODIV1;
b43_phy_write(dev, B43_PHY_ANTDWELL, tmp);
}
- if (phy->rev < 3) {
- tmp = b43_phy_read(dev, B43_PHY_ANTDWELL);
- tmp = (tmp & 0xFF00) | 0x24;
- b43_phy_write(dev, B43_PHY_ANTDWELL, tmp);
- } else {
- tmp = b43_phy_read(dev, B43_PHY_OFDM61);
- tmp |= 0x10;
- b43_phy_write(dev, B43_PHY_OFDM61, tmp);
- if (phy->analog == 3) {
- b43_phy_write(dev, B43_PHY_CLIPPWRDOWNT,
- 0x1D);
- b43_phy_write(dev, B43_PHY_ADIVRELATED,
- 8);
+ if (phy->rev < 3)
+ b43_phy_maskset(dev, B43_PHY_ANTDWELL, 0xFF00, 0x24);
+ else {
+ b43_phy_set(dev, B43_PHY_OFDM61, 0x10);
+ if (phy->rev == 3) {
+ b43_phy_write(dev, B43_PHY_CLIPPWRDOWNT, 0x1D);
+ b43_phy_write(dev, B43_PHY_ADIVRELATED, 8);
} else {
- b43_phy_write(dev, B43_PHY_CLIPPWRDOWNT,
- 0x3A);
- tmp =
- b43_phy_read(dev,
- B43_PHY_ADIVRELATED);
- tmp = (tmp & 0xFF00) | 8;
- b43_phy_write(dev, B43_PHY_ADIVRELATED,
- tmp);
+ b43_phy_write(dev, B43_PHY_CLIPPWRDOWNT, 0x3A);
+ b43_phy_maskset(dev, B43_PHY_ADIVRELATED, 0xFF00, 8);
}
}
- hf |= B43_HF_ANTDIVHELP;
- b43_hf_write(dev, hf);
+ b43_hf_write(dev, b43_hf_read(dev) | B43_HF_ANTDIVHELP);
}
static void b43_aphy_op_adjust_txpower(struct b43_wldev *dev)