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b43: Implement antenna diversity support for LP-PHY

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The A/G-PHY changes are fallout fixes from the enum change,
which in turn allows the LP-PHY code to be much simpler.
The antenna_to_phyctl change is a fix for a potential
existing bug that this patch may otherwise trigger.

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 2009-08-27 22:49:49 +02:00 committed by John W. Linville
parent 867b2efe68
commit 64e368bf9c
5 changed files with 17 additions and 9 deletions
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3
drivers/net/wireless/b43/main.c
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@ -1456,7 +1456,8 @@ static u16 b43_antenna_to_phyctl(int antenna)
return B43_TXH_PHY_ANT2;
case B43_ANTENNA3:
return B43_TXH_PHY_ANT3;
case B43_ANTENNA_AUTO:
case B43_ANTENNA_AUTO0:
case B43_ANTENNA_AUTO1:
return B43_TXH_PHY_ANT01AUTO;
}
B43_WARN_ON(1);

2
drivers/net/wireless/b43/phy_a.c
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@ -531,7 +531,7 @@ static void b43_aphy_op_set_rx_antenna(struct b43_wldev *dev, int antenna)
tmp = b43_phy_read(dev, B43_PHY_BBANDCFG);
tmp &= ~B43_PHY_BBANDCFG_RXANT;
tmp |= (autodiv ? B43_ANTENNA_AUTO0 : antenna)
tmp |= (autodiv ? B43_ANTENNA_AUTO1 : antenna)
<< B43_PHY_BBANDCFG_RXANT_SHIFT;
b43_phy_write(dev, B43_PHY_BBANDCFG, tmp);

10
drivers/net/wireless/b43/phy_common.h
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@ -49,11 +49,11 @@ enum b43_interference_mitigation {
/* Antenna identifiers */
enum {
B43_ANTENNA0, /* Antenna 0 */
B43_ANTENNA1, /* Antenna 0 */
B43_ANTENNA_AUTO1, /* Automatic, starting with antenna 1 */
B43_ANTENNA_AUTO0, /* Automatic, starting with antenna 0 */
B43_ANTENNA2,
B43_ANTENNA0 = 0, /* Antenna 0 */
B43_ANTENNA1 = 1, /* Antenna 1 */
B43_ANTENNA_AUTO0 = 2, /* Automatic, starting with antenna 0 */
B43_ANTENNA_AUTO1 = 3, /* Automatic, starting with antenna 1 */
B43_ANTENNA2 = 4,
B43_ANTENNA3 = 8,
B43_ANTENNA_AUTO = B43_ANTENNA_AUTO0,

2
drivers/net/wireless/b43/phy_g.c
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@ -2664,7 +2664,7 @@ static void b43_gphy_op_set_rx_antenna(struct b43_wldev *dev, int antenna)
tmp = b43_phy_read(dev, B43_PHY_BBANDCFG);
tmp &= ~B43_PHY_BBANDCFG_RXANT;
tmp |= (autodiv ? B43_ANTENNA_AUTO0 : antenna)
tmp |= (autodiv ? B43_ANTENNA_AUTO1 : antenna)
<< B43_PHY_BBANDCFG_RXANT_SHIFT;
b43_phy_write(dev, B43_PHY_BBANDCFG, tmp);

9
drivers/net/wireless/b43/phy_lp.c
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@ -2205,7 +2205,14 @@ static int b43_lpphy_op_init(struct b43_wldev *dev)
static void b43_lpphy_op_set_rx_antenna(struct b43_wldev *dev, int antenna)
{
//TODO
if (dev->phy.rev >= 2)
return; // rev2+ doesn't support antenna diversity
if (B43_WARN_ON(antenna > B43_ANTENNA_AUTO1))
return;
b43_phy_maskset(dev, B43_LPPHY_CRSGAIN_CTL, 0xFFFD, antenna & 0x2);
b43_phy_maskset(dev, B43_LPPHY_CRSGAIN_CTL, 0xFFFE, antenna & 0x1);
}
static void b43_lpphy_op_adjust_txpower(struct b43_wldev *dev)