diff options
| author | Rafał Miłecki | 2013-03-09 13:49:01 +0100 |
|---|---|---|
| committer | John W. Linville | 2013-03-13 19:27:49 +0100 |
| commit | a51ab25811beef67bdd0ba2c5dd4b03e47948aa1 (patch) | |
| tree | 6caea5930ce108a74cf6bf6cded9daf106223258 /drivers/net/wireless/b43 | |
| parent | b43: HT-PHY: implement CCA reset (diff) | |
| download | kernel-qcow2-linux-a51ab25811beef67bdd0ba2c5dd4b03e47948aa1.tar.gz kernel-qcow2-linux-a51ab25811beef67bdd0ba2c5dd4b03e47948aa1.tar.xz kernel-qcow2-linux-a51ab25811beef67bdd0ba2c5dd4b03e47948aa1.zip | |
b43: HT-PHY: implement PA override
Signed-off-by: Rafał Miłecki <zajec5@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/phy_ht.c | 22 | ||||
| -rw-r--r-- | drivers/net/wireless/b43/phy_ht.h | 5 |
2 files changed, 27 insertions, 0 deletions
diff --git a/drivers/net/wireless/b43/phy_ht.c b/drivers/net/wireless/b43/phy_ht.c index 23a46c667974..1998dca73faa 100644 --- a/drivers/net/wireless/b43/phy_ht.c +++ b/drivers/net/wireless/b43/phy_ht.c @@ -178,6 +178,26 @@ static void b43_phy_ht_force_rf_sequence(struct b43_wldev *dev, u16 rf_seq) b43_phy_write(dev, B43_PHY_HT_RF_SEQ_MODE, save_seq_mode); } +static void b43_phy_ht_pa_override(struct b43_wldev *dev, bool enable) +{ + struct b43_phy_ht *htphy = dev->phy.ht; + static const u16 regs[3] = { B43_PHY_HT_RF_CTL_INT_C1, + B43_PHY_HT_RF_CTL_INT_C2, + B43_PHY_HT_RF_CTL_INT_C3 }; + int i; + + if (enable) { + for (i = 0; i < 3; i++) + b43_phy_write(dev, regs[i], htphy->rf_ctl_int_save[i]); + } else { + for (i = 0; i < 3; i++) + htphy->rf_ctl_int_save[i] = b43_phy_read(dev, regs[i]); + /* TODO: Does 5GHz band use different value (not 0x0400)? */ + for (i = 0; i < 3; i++) + b43_phy_write(dev, regs[i], 0x0400); + } +} + /************************************************** * Various PHY ops **************************************************/ @@ -554,8 +574,10 @@ static int b43_phy_ht_op_init(struct b43_wldev *dev) b43_mac_phy_clock_set(dev, true); + b43_phy_ht_pa_override(dev, false); b43_phy_ht_force_rf_sequence(dev, B43_PHY_HT_RF_SEQ_TRIG_RX2TX); b43_phy_ht_force_rf_sequence(dev, B43_PHY_HT_RF_SEQ_TRIG_RST2RX); + b43_phy_ht_pa_override(dev, true); /* TODO: Should we restore it? Or store it in global PHY info? */ b43_phy_ht_classifier(dev, 0, 0); diff --git a/drivers/net/wireless/b43/phy_ht.h b/drivers/net/wireless/b43/phy_ht.h index 52603affa2d6..684807c2f125 100644 --- a/drivers/net/wireless/b43/phy_ht.h +++ b/drivers/net/wireless/b43/phy_ht.h @@ -40,6 +40,10 @@ #define B43_PHY_HT_RF_CTL1 B43_PHY_EXTG(0x010) +#define B43_PHY_HT_RF_CTL_INT_C1 B43_PHY_EXTG(0x04c) +#define B43_PHY_HT_RF_CTL_INT_C2 B43_PHY_EXTG(0x06c) +#define B43_PHY_HT_RF_CTL_INT_C3 B43_PHY_EXTG(0x08c) + #define B43_PHY_HT_AFE_C1_OVER B43_PHY_EXTG(0x110) #define B43_PHY_HT_AFE_C1 B43_PHY_EXTG(0x111) #define B43_PHY_HT_AFE_C2_OVER B43_PHY_EXTG(0x114) @@ -62,6 +66,7 @@ struct b43_phy_ht_channeltab_e_phy { struct b43_phy_ht { + u16 rf_ctl_int_save[3]; }; |