diff options
| author | Rafał Miłecki <zajec5@gmail.com> | 2010-01-15 17:51:55 +0300 |
|---|---|---|
| committer | John W. Linville <linville@tuxdriver.com> | 2010-01-16 01:05:40 +0300 |
| commit | fe3e46e881daad2c7e3886e767bda90871d5f4d6 (patch) | |
| tree | f3566a5bac6facd38102e5c10bd6e51cbde70d3b | |
| parent | b0022e15cc39abebd997fefa18cf3b6e141f76bd (diff) | |
| download | linux-fe3e46e881daad2c7e3886e767bda90871d5f4d6.tar.xz | |
b43: N-PHY: add TX LP FBW (TX filter 40 related)
Signed-off-by: Rafał Miłecki <zajec5@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
| -rw-r--r-- | drivers/net/wireless/b43/phy_n.c | 24 |
1 files changed, 23 insertions, 1 deletions
diff --git a/drivers/net/wireless/b43/phy_n.c b/drivers/net/wireless/b43/phy_n.c index e21526f2f24c..242f16d489fa 100644 --- a/drivers/net/wireless/b43/phy_n.c +++ b/drivers/net/wireless/b43/phy_n.c @@ -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"); |