b43: N-PHY: implement MIMO config update
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 fd93b2a..1996843e 100644
--- a/drivers/net/wireless/b43/phy_n.c
+++ b/drivers/net/wireless/b43/phy_n.c
@@ -424,6 +424,20 @@
/* TODO: N PHY Force RF Seq with argument 2 */
}
+/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/MIMOConfig */
+static void b43_nphy_update_mimo_config(struct b43_wldev *dev, s32 preamble)
+{
+ u16 mimocfg = b43_phy_read(dev, B43_NPHY_MIMOCFG);
+
+ mimocfg |= B43_NPHY_MIMOCFG_AUTO;
+ if (preamble == 1)
+ mimocfg |= B43_NPHY_MIMOCFG_GFMIX;
+ else
+ mimocfg &= ~B43_NPHY_MIMOCFG_GFMIX;
+
+ b43_phy_write(dev, B43_NPHY_MIMOCFG, mimocfg);
+}
+
/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/RxIqEst */
static void b43_nphy_rx_iq_est(struct b43_wldev *dev, struct nphy_iq_est *est,
u16 samps, u8 time, bool wait)
@@ -2180,7 +2194,7 @@
b43_phy_write(dev, B43_NPHY_PLOAD_CSENSE_EXTLEN, 0x50);
b43_phy_write(dev, B43_NPHY_TXRIFS_FRDEL, 0x30);
- /* TODO MIMO-Config */
+ b43_nphy_update_mimo_config(dev, nphy->preamble_override);
/* TODO Update TX/RX chain */
if (phy->rev < 2) {