diff options
| author | Rafał Miłecki <zajec5@gmail.com> | 2010-01-15 15:02:38 +0100 |
|---|---|---|
| committer | John W. Linville <linville@tuxdriver.com> | 2010-01-15 17:05:36 -0500 |
| commit | e50cbcf6741684753da401722f337efacfa4a98f (patch) | |
| tree | 12927fd8b03ee50e5ad2711882eb9caad7bb8082 /drivers/net | |
| parent | 90b9738d85395d46ffdc961e1a0c80a17e8f4d32 (diff) | |
b43: N-PHY: implement PA overriding (RF control related)
Signed-off-by: Rafał Miłecki <zajec5@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'drivers/net')
| -rw-r--r-- | drivers/net/wireless/b43/phy_n.c | 38 |
1 files changed, 36 insertions, 2 deletions
diff --git a/drivers/net/wireless/b43/phy_n.c b/drivers/net/wireless/b43/phy_n.c index 126c0afa5da..0e379427270 100644 --- a/drivers/net/wireless/b43/phy_n.c +++ b/drivers/net/wireless/b43/phy_n.c @@ -344,6 +344,40 @@ static void b43_nphy_workarounds(struct b43_wldev *dev) b43_phy_write(dev, B43_NPHY_PHASETR_B2, 0x20); } +/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/PA%20override */ +static void b43_nphy_pa_override(struct b43_wldev *dev, bool enable) +{ + struct b43_phy_n *nphy = dev->phy.n; + enum ieee80211_band band; + u16 tmp; + + if (!enable) { + nphy->rfctrl_intc1_save = b43_phy_read(dev, + B43_NPHY_RFCTL_INTC1); + nphy->rfctrl_intc2_save = b43_phy_read(dev, + B43_NPHY_RFCTL_INTC2); + band = b43_current_band(dev->wl); + if (dev->phy.rev >= 3) { + if (band == IEEE80211_BAND_5GHZ) + tmp = 0x600; + else + tmp = 0x480; + } else { + if (band == IEEE80211_BAND_5GHZ) + tmp = 0x180; + else + tmp = 0x120; + } + b43_phy_write(dev, B43_NPHY_RFCTL_INTC1, tmp); + b43_phy_write(dev, B43_NPHY_RFCTL_INTC2, tmp); + } else { + b43_phy_write(dev, B43_NPHY_RFCTL_INTC1, + nphy->rfctrl_intc1_save); + b43_phy_write(dev, B43_NPHY_RFCTL_INTC2, + nphy->rfctrl_intc2_save); + } +} + /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/BmacPhyClkFgc */ static void b43_nphy_bmac_clock_fgc(struct b43_wldev *dev, bool force) { @@ -964,10 +998,10 @@ int b43_phy_initn(struct b43_wldev *dev) /* TODO N PHY MAC PHY Clock Set with argument 1 */ - /* b43_nphy_pa_override(dev, false); */ + b43_nphy_pa_override(dev, false); b43_nphy_force_rf_sequence(dev, B43_RFSEQ_RX2TX); b43_nphy_force_rf_sequence(dev, B43_RFSEQ_RESET2RX); - /* b43_nphy_pa_override(dev, true); */ + b43_nphy_pa_override(dev, true); b43_nphy_classifier(dev, 0, 0); b43_nphy_read_clip_detection(dev, clip); |