diff options
| author | Gábor Stefanik <netrolller.3d@gmail.com> | 2009-08-27 22:49:49 +0200 |
|---|---|---|
| committer | John W. Linville <linville@tuxdriver.com> | 2009-08-28 20:40:55 +0200 |
| commit | 64e368bf9c3690eebd4b3a5cc243f39e902ecdd1 (patch) | |
| tree | f39751877ea511aa2ecc640278c6560be0301c06 /drivers/net/wireless/b43 | |
| parent | b43: Enable LP-PHY support by default and remove Kconfig warning (diff) | |
| download | linux-64e368bf9c3690eebd4b3a5cc243f39e902ecdd1.tar.xz linux-64e368bf9c3690eebd4b3a5cc243f39e902ecdd1.zip | |
b43: Implement antenna diversity support for LP-PHY
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>
Diffstat (limited to 'drivers/net/wireless/b43')
| -rw-r--r-- | drivers/net/wireless/b43/main.c | 3 | ||||
| -rw-r--r-- | drivers/net/wireless/b43/phy_a.c | 2 | ||||
| -rw-r--r-- | drivers/net/wireless/b43/phy_common.h | 10 | ||||
| -rw-r--r-- | drivers/net/wireless/b43/phy_g.c | 2 | ||||
| -rw-r--r-- | drivers/net/wireless/b43/phy_lp.c | 9 |
5 files changed, 17 insertions, 9 deletions
diff --git a/drivers/net/wireless/b43/main.c b/drivers/net/wireless/b43/main.c index f5bdf1cae1d1..0f168443ad49 100644 --- a/drivers/net/wireless/b43/main.c +++ b/drivers/net/wireless/b43/main.c @@ -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); diff --git a/drivers/net/wireless/b43/phy_a.c b/drivers/net/wireless/b43/phy_a.c index 816e028a2620..809ec97031cb 100644 --- a/drivers/net/wireless/b43/phy_a.c +++ b/drivers/net/wireless/b43/phy_a.c @@ -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); diff --git a/drivers/net/wireless/b43/phy_common.h b/drivers/net/wireless/b43/phy_common.h index b47a0f55c0b6..28e384633c34 100644 --- a/drivers/net/wireless/b43/phy_common.h +++ b/drivers/net/wireless/b43/phy_common.h @@ -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, diff --git a/drivers/net/wireless/b43/phy_g.c b/drivers/net/wireless/b43/phy_g.c index e47131216a67..bdff9afe3f81 100644 --- a/drivers/net/wireless/b43/phy_g.c +++ b/drivers/net/wireless/b43/phy_g.c @@ -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); diff --git a/drivers/net/wireless/b43/phy_lp.c b/drivers/net/wireless/b43/phy_lp.c index 7d2a7027235a..1ab00b034cbd 100644 --- a/drivers/net/wireless/b43/phy_lp.c +++ b/drivers/net/wireless/b43/phy_lp.c @@ -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) |