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authorGábor Stefanik <netrolller.3d@gmail.com>2009-08-27 22:49:49 +0200
committerJohn W. Linville <linville@tuxdriver.com>2009-08-28 14:40:55 -0400
commit64e368bf9c3690eebd4b3a5cc243f39e902ecdd1 (patch)
treef39751877ea511aa2ecc640278c6560be0301c06
parent867b2efe68b6bb929e3bd1c6d699ba61ff2cf847 (diff)
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>
-rw-r--r--drivers/net/wireless/b43/main.c3
-rw-r--r--drivers/net/wireless/b43/phy_a.c2
-rw-r--r--drivers/net/wireless/b43/phy_common.h10
-rw-r--r--drivers/net/wireless/b43/phy_g.c2
-rw-r--r--drivers/net/wireless/b43/phy_lp.c9
5 files changed, 17 insertions, 9 deletions
diff --git a/drivers/net/wireless/b43/main.c b/drivers/net/wireless/b43/main.c
index f5bdf1cae1d..0f168443ad4 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 816e028a262..809ec97031c 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 b47a0f55c0b..28e384633c3 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 e47131216a6..bdff9afe3f8 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 7d2a7027235..1ab00b034cb 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)