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b43: Refactor and update antenna diversity for A/G-PHY

Browse source 
-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>
This commit is contained in:
Gábor Stefanik 2009-08-28 21:37:00 +02:00 committed by John W. Linville
parent af472a953e
commit c206a39d58
2 changed files with 36 additions and 65 deletions
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48
drivers/net/wireless/b43/phy_a.c
View file

@ -518,58 +518,40 @@ static unsigned int b43_aphy_op_get_default_chan(struct b43_wldev *dev)
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)

53
drivers/net/wireless/b43/phy_g.c
View file

@ -2651,65 +2651,54 @@ static unsigned int b43_gphy_op_get_default_chan(struct b43_wldev *dev)
static void b43_gphy_op_set_rx_antenna(struct b43_wldev *dev, int antenna)
{
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);
}
tmp = b43_phy_read(dev, B43_PHY_ANTWRSETT);
if (autodiv)
tmp |= B43_PHY_ANTWRSETT_ARXDIV;
else
tmp &= ~B43_PHY_ANTWRSETT_ARXDIV;
b43_phy_write(dev, B43_PHY_ANTWRSETT, tmp);
if (autodiv)
b43_phy_set(dev, B43_PHY_ANTWRSETT, B43_PHY_ANTWRSETT_ARXDIV);
else {
b43_phy_mask(dev, B43_PHY_ANTWRSETT,
B43_PHY_ANTWRSETT_ARXDIV);
}
if (phy->rev >= 2) {
tmp = b43_phy_read(dev, B43_PHY_OFDM61);
tmp |= B43_PHY_OFDM61_10;
b43_phy_write(dev, B43_PHY_OFDM61, tmp);
b43_phy_set(dev, B43_PHY_OFDM61, B43_PHY_OFDM61_10);
b43_phy_maskset(dev, B43_PHY_DIVSRCHGAINBACK, 0xFF00, 0x15);
tmp =
b43_phy_read(dev, B43_PHY_DIVSRCHGAINBACK);
tmp = (tmp & 0xFF00) | 0x15;
b43_phy_write(dev, B43_PHY_DIVSRCHGAINBACK,
tmp);
if (phy->rev == 2) {
b43_phy_write(dev, B43_PHY_ADIVRELATED,
8);
} else {
tmp =
b43_phy_read(dev,
B43_PHY_ADIVRELATED);
tmp = (tmp & 0xFF00) | 8;
b43_phy_write(dev, B43_PHY_ADIVRELATED,
tmp);
}
if (phy->rev == 2)
b43_phy_write(dev, B43_PHY_ADIVRELATED, 8);
else
b43_phy_maskset(dev, B43_PHY_ADIVRELATED, 0xFF00, 8);
}
if (phy->rev >= 6)
b43_phy_write(dev, B43_PHY_OFDM9B, 0xDC);
hf |= B43_HF_ANTDIVHELP;
b43_hf_write(dev, hf);
b43_hf_write(dev, b43_hf_read(dev) | B43_HF_ANTDIVHELP);
}
static int b43_gphy_op_interf_mitigation(struct b43_wldev *dev,