diff options
| author | Rafał Miłecki <zajec5@gmail.com> | 2010-01-15 14:31:39 +0100 |
|---|---|---|
| committer | John W. Linville <linville@tuxdriver.com> | 2010-01-15 17:05:34 -0500 |
| commit | bbec398c1b7baa1dbde1e49446d1cbf4c6c20fa1 (patch) | |
| tree | beee82ffb026274828bc26715ea1efbe0f9c10fa /drivers | |
| parent | 4cb9977516d0f52a779d12a430ccf263d35802fc (diff) | |
b43: N-PHY: add clip detection reading/writing and some classifier function
Signed-off-by: Rafał Miłecki <zajec5@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/net/wireless/b43/phy_n.c | 40 |
1 files changed, 38 insertions, 2 deletions
diff --git a/drivers/net/wireless/b43/phy_n.c b/drivers/net/wireless/b43/phy_n.c index 30b9dacb666..72b1c410b7f 100644 --- a/drivers/net/wireless/b43/phy_n.c +++ b/drivers/net/wireless/b43/phy_n.c @@ -28,6 +28,7 @@ #include "b43.h" #include "phy_n.h" #include "tables_nphy.h" +#include "main.h" struct nphy_txgains { u16 txgm[2]; @@ -373,6 +374,41 @@ static void b43_nphy_reset_cca(struct b43_wldev *dev) /* TODO: N PHY Force RF Seq with argument 2 */ } +/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/clip-detection */ +static void b43_nphy_write_clip_detection(struct b43_wldev *dev, u16 *clip_st) +{ + b43_phy_write(dev, B43_NPHY_C1_CLIP1THRES, clip_st[0]); + b43_phy_write(dev, B43_NPHY_C2_CLIP1THRES, clip_st[1]); +} + +/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/clip-detection */ +static void b43_nphy_read_clip_detection(struct b43_wldev *dev, u16 *clip_st) +{ + clip_st[0] = b43_phy_read(dev, B43_NPHY_C1_CLIP1THRES); + clip_st[1] = b43_phy_read(dev, B43_NPHY_C2_CLIP1THRES); +} + +/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/classifier */ +static u16 b43_nphy_classifier(struct b43_wldev *dev, u16 mask, u16 val) +{ + u16 tmp; + + if (dev->dev->id.revision == 16) + b43_mac_suspend(dev); + + tmp = b43_phy_read(dev, B43_NPHY_CLASSCTL); + tmp &= (B43_NPHY_CLASSCTL_CCKEN | B43_NPHY_CLASSCTL_OFDMEN | + B43_NPHY_CLASSCTL_WAITEDEN); + tmp &= ~mask; + tmp |= (val & mask); + b43_phy_maskset(dev, B43_NPHY_CLASSCTL, 0xFFF8, tmp); + + if (dev->dev->id.revision == 16) + b43_mac_enable(dev); + + return tmp; +} + enum b43_nphy_rf_sequence { B43_RFSEQ_RX2TX, B43_RFSEQ_TX2RX, @@ -563,8 +599,8 @@ int b43_phy_initn(struct b43_wldev *dev) b43_nphy_force_rf_sequence(dev, B43_RFSEQ_RESET2RX); /* b43_nphy_pa_override(dev, true); */ - /* b43_nphy_classifier(dev, 0, 0); */ - /* b43_nphy_read_clip_detection(dev, clip); */ + b43_nphy_classifier(dev, 0, 0); + b43_nphy_read_clip_detection(dev, clip); tx_pwr_state = nphy->txpwrctrl; /* TODO N PHY TX power control with argument 0 (turning off power control) */ |