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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>
This commit is contained in:
Rafał Miłecki 2010-01-15 15:02:38 +01:00 committed by John W. Linville
parent 90b9738d85
commit e50cbcf674
1 changed files with 36 additions and 2 deletions
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38
drivers/net/wireless/b43/phy_n.c
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@ -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);