From c4a92003b0d02367bb1be94867a79651897e91ed Mon Sep 17 00:00:00 2001 From: =?utf8?q?Rafa=C5=82=20Mi=C5=82ecki?= Date: Fri, 15 Jan 2010 15:55:18 +0100 Subject: [PATCH] b43: N-PHY: add RX radio cores calibration MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 Content-Transfer-Encoding: 8bit Signed-off-by: Rafał Miłecki Signed-off-by: John W. Linville --- drivers/net/wireless/b43/phy_n.c | 43 ++++++++++++++++++++++++++++++++++++++++ 1 file changed, 43 insertions(+) diff --git a/drivers/net/wireless/b43/phy_n.c b/drivers/net/wireless/b43/phy_n.c index 242f16d..3e587d7 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) { -- 2.7.4