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>
diff --git a/drivers/net/wireless/b43/phy_n.c b/drivers/net/wireless/b43/phy_n.c
index e21526f..242f16d 100644
--- a/drivers/net/wireless/b43/phy_n.c
+++ b/drivers/net/wireless/b43/phy_n.c
@@ -378,6 +378,28 @@
}
}
+/* 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 @@
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");