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authorRafał Miłecki <zajec5@gmail.com>2010-01-15 17:55:18 +0300
committerJohn W. Linville <linville@tuxdriver.com>2010-01-16 01:05:41 +0300
commitc4a92003b0d02367bb1be94867a79651897e91ed (patch)
treebdca43667c99bc42d999755b7ce0bc8889efbf8f /drivers/net/wireless
parentfe3e46e881daad2c7e3886e767bda90871d5f4d6 (diff)
downloadlinux-c4a92003b0d02367bb1be94867a79651897e91ed.tar.xz
b43: N-PHY: add RX radio cores calibration
Signed-off-by: Rafał Miłecki <zajec5@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'drivers/net/wireless')
-rw-r--r--drivers/net/wireless/b43/phy_n.c43
1 files changed, 43 insertions, 0 deletions
diff --git a/drivers/net/wireless/b43/phy_n.c b/drivers/net/wireless/b43/phy_n.c
index 242f16d489fa..3e587d73619e 100644
--- a/drivers/net/wireless/b43/phy_n.c
+++ b/drivers/net/wireless/b43/phy_n.c
@@ -1173,6 +1173,49 @@ static const u32 *b43_nphy_get_ipa_gain_table(struct b43_wldev *dev)
}
}
+/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/TxCalRadioSetup */
+static void b43_nphy_tx_cal_radio_setup(struct b43_wldev *dev)
+{
+ struct b43_phy_n *nphy = dev->phy.n;
+ u16 *save = nphy->tx_rx_cal_radio_saveregs;
+
+ if (dev->phy.rev >= 3) {
+ /* TODO */
+ } else {
+ save[0] = b43_radio_read16(dev, B2055_C1_TX_RF_IQCAL1);
+ b43_radio_write16(dev, B2055_C1_TX_RF_IQCAL1, 0x29);
+
+ save[1] = b43_radio_read16(dev, B2055_C1_TX_RF_IQCAL2);
+ b43_radio_write16(dev, B2055_C1_TX_RF_IQCAL2, 0x54);
+
+ save[2] = b43_radio_read16(dev, B2055_C2_TX_RF_IQCAL1);
+ b43_radio_write16(dev, B2055_C2_TX_RF_IQCAL1, 0x29);
+
+ save[3] = b43_radio_read16(dev, B2055_C2_TX_RF_IQCAL2);
+ b43_radio_write16(dev, B2055_C2_TX_RF_IQCAL2, 0x54);
+
+ save[3] = b43_radio_read16(dev, B2055_C1_PWRDET_RXTX);
+ save[4] = b43_radio_read16(dev, B2055_C2_PWRDET_RXTX);
+
+ if (!(b43_phy_read(dev, B43_NPHY_BANDCTL) &
+ B43_NPHY_BANDCTL_5GHZ)) {
+ b43_radio_write16(dev, B2055_C1_PWRDET_RXTX, 0x04);
+ b43_radio_write16(dev, B2055_C2_PWRDET_RXTX, 0x04);
+ } else {
+ b43_radio_write16(dev, B2055_C1_PWRDET_RXTX, 0x20);
+ b43_radio_write16(dev, B2055_C2_PWRDET_RXTX, 0x20);
+ }
+
+ if (dev->phy.rev < 2) {
+ b43_radio_set(dev, B2055_C1_TX_BB_MXGM, 0x20);
+ b43_radio_set(dev, B2055_C2_TX_BB_MXGM, 0x20);
+ } else {
+ b43_radio_mask(dev, B2055_C1_TX_BB_MXGM, ~0x20);
+ b43_radio_mask(dev, B2055_C2_TX_BB_MXGM, ~0x20);
+ }
+ }
+}
+
/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/GetTxGain */
static struct nphy_txgains b43_nphy_get_tx_gains(struct b43_wldev *dev)
{