b43: N-PHY: add RSSI selection for newer PHYs

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 558d3c0..0e04a26 100644 (file)
--- a/drivers/net/wireless/b43/phy_n.c
+++ b/drivers/net/wireless/b43/phy_n.c
@@ -1367,7 +1367,89 @@ static void b43_nphy_rev2_rssi_select(struct b43_wldev *dev, u8 code, u8 type)
 
 static void b43_nphy_rev3_rssi_select(struct b43_wldev *dev, u8 code, u8 type)
 {
-       /* TODO */
+       struct b43_phy_n *nphy = dev->phy.n;
+       u8 i;
+       u16 reg, val;
+
+       if (code == 0) {
+               b43_phy_mask(dev, B43_NPHY_AFECTL_OVER1, 0xFDFF);
+               b43_phy_mask(dev, B43_NPHY_AFECTL_OVER, 0xFDFF);
+               b43_phy_mask(dev, B43_NPHY_AFECTL_C1, 0xFCFF);
+               b43_phy_mask(dev, B43_NPHY_AFECTL_C2, 0xFCFF);
+               b43_phy_mask(dev, B43_NPHY_TXF_40CO_B1S0, 0xFFDF);
+               b43_phy_mask(dev, B43_NPHY_TXF_40CO_B32S1, 0xFFDF);
+               b43_phy_mask(dev, B43_NPHY_RFCTL_LUT_TRSW_UP1, 0xFFC3);
+               b43_phy_mask(dev, B43_NPHY_RFCTL_LUT_TRSW_UP2, 0xFFC3);
+       } else {
+               for (i = 0; i < 2; i++) {
+                       if ((code == 1 && i == 1) || (code == 2 && !i))
+                               continue;
+
+                       reg = (i == 0) ?
+                               B43_NPHY_AFECTL_OVER1 : B43_NPHY_AFECTL_OVER;
+                       b43_phy_maskset(dev, reg, 0xFDFF, 0x0200);
+
+                       if (type < 3) {
+                               reg = (i == 0) ?
+                                       B43_NPHY_AFECTL_C1 :
+                                       B43_NPHY_AFECTL_C2;
+                               b43_phy_maskset(dev, reg, 0xFCFF, 0);
+
+                               reg = (i == 0) ?
+                                       B43_NPHY_RFCTL_LUT_TRSW_UP1 :
+                                       B43_NPHY_RFCTL_LUT_TRSW_UP2;
+                               b43_phy_maskset(dev, reg, 0xFFC3, 0);
+
+                               if (type == 0)
+                                       val = (b43_current_band(dev->wl) == IEEE80211_BAND_5GHZ) ? 4 : 8;
+                               else if (type == 1)
+                                       val = 16;
+                               else
+                                       val = 32;
+                               b43_phy_set(dev, reg, val);
+
+                               reg = (i == 0) ?
+                                       B43_NPHY_TXF_40CO_B1S0 :
+                                       B43_NPHY_TXF_40CO_B32S1;
+                               b43_phy_set(dev, reg, 0x0020);
+                       } else {
+                               if (type == 6)
+                                       val = 0x0100;
+                               else if (type == 3)
+                                       val = 0x0200;
+                               else
+                                       val = 0x0300;
+
+                               reg = (i == 0) ?
+                                       B43_NPHY_AFECTL_C1 :
+                                       B43_NPHY_AFECTL_C2;
+
+                               b43_phy_maskset(dev, reg, 0xFCFF, val);
+                               b43_phy_maskset(dev, reg, 0xF3FF, val << 2);
+
+                               if (type != 3 && type != 6) {
+                                       enum ieee80211_band band =
+                                               b43_current_band(dev->wl);
+
+                                       if ((nphy->ipa2g_on &&
+                                               band == IEEE80211_BAND_2GHZ) ||
+                                               (nphy->ipa5g_on &&
+                                               band == IEEE80211_BAND_5GHZ))
+                                               val = (band == IEEE80211_BAND_5GHZ) ? 0xC : 0xE;
+                                       else
+                                               val = 0x11;
+                                       reg = (i == 0) ? 0x2000 : 0x3000;
+                                       reg |= B2055_PADDRV;
+                                       b43_radio_write16(dev, reg, val);
+
+                                       reg = (i == 0) ?
+                                               B43_NPHY_AFECTL_OVER1 :
+                                               B43_NPHY_AFECTL_OVER;
+                                       b43_phy_set(dev, reg, 0x0200);
+                               }
+                       }
+               }
+       }
 }
 
 /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/RSSISel */