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b43: N-PHY: add TX LP FBW (TX filter 40 related)

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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 15:51:55 +01:00 committed by John W. Linville
parent b0022e15cc
commit fe3e46e881
1 changed files with 23 additions and 1 deletions
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24
drivers/net/wireless/b43/phy_n.c
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@ -378,6 +378,28 @@ static void b43_nphy_pa_override(struct b43_wldev *dev, bool enable)
}
}
/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/TxLpFbw */
static void b43_nphy_tx_lp_fbw(struct b43_wldev *dev)
{
struct b43_phy_n *nphy = dev->phy.n;
u16 tmp;
enum ieee80211_band band = b43_current_band(dev->wl);
bool ipa = (nphy->ipa2g_on && band == IEEE80211_BAND_2GHZ) ||
(nphy->ipa5g_on && band == IEEE80211_BAND_5GHZ);
if (dev->phy.rev >= 3) {
if (ipa) {
tmp = 4;
b43_phy_write(dev, B43_NPHY_TXF_40CO_B32S2,
(((((tmp << 3) | tmp) << 3) | tmp) << 3) | tmp);
}
tmp = 1;
b43_phy_write(dev, B43_NPHY_TXF_40CO_B1S2,
(((((tmp << 3) | tmp) << 3) | tmp) << 3) | tmp);
}
}
/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/BmacPhyClkFgc */
static void b43_nphy_bmac_clock_fgc(struct b43_wldev *dev, bool force)
{
@ -1494,7 +1516,7 @@ int b43_phy_initn(struct b43_wldev *dev)
b43_phy_write(dev, B43_NPHY_TXMACDELAY, 0x0320);
if (phy->rev >= 3 && phy->rev <= 6)
b43_phy_write(dev, B43_NPHY_PLOAD_CSENSE_EXTLEN, 0x0014);
/* b43_nphy_tx_lp_fbw(dev); */
b43_nphy_tx_lp_fbw(dev);
/* TODO N PHY Spur Workaround */
b43err(dev->wl, "IEEE 802.11n devices are not supported, yet.\n");