diff options
| author | Rafał Miłecki <zajec5@gmail.com> | 2010-02-04 12:23:10 +0100 |
|---|---|---|
| committer | John W. Linville <linville@tuxdriver.com> | 2010-02-08 16:50:55 -0500 |
| commit | 984ff4ffb7fa36b9ac440a3802fd19658eccc84e (patch) | |
| tree | ff1db376382dba4933766bebf3931d300eec0ae1 /drivers/net/wireless/b43 | |
| parent | 67cbc3ed5b96a5acfddae142fa0e2adb1b6270d5 (diff) | |
b43: N-PHY: prepare code for reapplying TX cal coeffs
Signed-off-by: Rafał Miłecki <zajec5@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'drivers/net/wireless/b43')
| -rw-r--r-- | drivers/net/wireless/b43/phy_n.c | 35 |
1 files changed, 34 insertions, 1 deletions
diff --git a/drivers/net/wireless/b43/phy_n.c b/drivers/net/wireless/b43/phy_n.c index 8992457b0c0b..3dd22bc527d0 100644 --- a/drivers/net/wireless/b43/phy_n.c +++ b/drivers/net/wireless/b43/phy_n.c @@ -2587,6 +2587,39 @@ static int b43_nphy_cal_tx_iq_lo(struct b43_wldev *dev, return error; } +/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/ReapplyTxCalCoeffs */ +static void b43_nphy_reapply_tx_cal_coeffs(struct b43_wldev *dev) +{ + struct b43_phy_n *nphy = dev->phy.n; + u8 i; + u16 buffer[7]; + bool equal = true; + + if (!nphy->txiqlocal_coeffsvalid || 1 /* FIXME */) + return; + + b43_ntab_read_bulk(dev, B43_NTAB16(15, 80), 7, buffer); + for (i = 0; i < 4; i++) { + if (buffer[i] != nphy->txiqlocal_bestc[i]) { + equal = false; + break; + } + } + + if (!equal) { + b43_ntab_write_bulk(dev, B43_NTAB16(15, 80), 4, + nphy->txiqlocal_bestc); + for (i = 0; i < 4; i++) + buffer[i] = 0; + b43_ntab_write_bulk(dev, B43_NTAB16(15, 88), 4, + buffer); + b43_ntab_write_bulk(dev, B43_NTAB16(15, 85), 2, + &nphy->txiqlocal_bestc[5]); + b43_ntab_write_bulk(dev, B43_NTAB16(15, 93), 2, + &nphy->txiqlocal_bestc[5]); + } +} + /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/CalRxIqRev2 */ static int b43_nphy_rev2_cal_rx_iq(struct b43_wldev *dev, struct nphy_txgains target, u8 type, bool debug) @@ -2617,7 +2650,7 @@ static int b43_nphy_rev2_cal_rx_iq(struct b43_wldev *dev, b43_nphy_stay_in_carrier_search(dev, 1); if (dev->phy.rev < 2) - ;/* TODO: Call N PHY Reapply TX Cal Coeffs */ + b43_nphy_reapply_tx_cal_coeffs(dev); b43_ntab_read_bulk(dev, B43_NTAB16(7, 0x110), 2, gain_save); for (i = 0; i < 2; i++) { b43_nphy_iq_cal_gain_params(dev, i, target, &cal_params[i]); |