diff options
| author | Rafał Miłecki <zajec5@gmail.com> | 2010-01-15 16:06:35 +0100 |
|---|---|---|
| committer | John W. Linville <linville@tuxdriver.com> | 2010-01-15 17:05:42 -0500 |
| commit | de7ed0c6245276eaa62523ffb36512d88bf1efb3 (patch) | |
| tree | 8f8757e4402ee12b604a6a6181565cd0b068a58b /drivers | |
| parent | c4a92003b0d02367bb1be94867a79651897e91ed (diff) | |
b43: N-PHY: update TX calibration ladder
Signed-off-by: Rafał Miłecki <zajec5@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/net/wireless/b43/phy_n.c | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/drivers/net/wireless/b43/phy_n.c b/drivers/net/wireless/b43/phy_n.c index 3e587d73619..d09a16f7600 100644 --- a/drivers/net/wireless/b43/phy_n.c +++ b/drivers/net/wireless/b43/phy_n.c @@ -1216,6 +1216,31 @@ static void b43_nphy_tx_cal_radio_setup(struct b43_wldev *dev) } } +/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/UpdateTxCalLadder */ +static void b43_nphy_update_tx_cal_ladder(struct b43_wldev *dev, u16 core) +{ + struct b43_phy_n *nphy = dev->phy.n; + int i; + u16 scale, entry; + + u16 tmp = nphy->txcal_bbmult; + if (core == 0) + tmp >>= 8; + tmp &= 0xff; + + for (i = 0; i < 18; i++) { + scale = (ladder_lo[i].percent * tmp) / 100; + entry = ((scale & 0xFF) << 8) | ladder_lo[i].g_env; + /* TODO: Write an N PHY Table with ID 15, length 1, + offset i, width 16, and data entry */ + + scale = (ladder_iq[i].percent * tmp) / 100; + entry = ((scale & 0xFF) << 8) | ladder_iq[i].g_env; + /* TODO: Write an N PHY Table with ID 15, length 1, + offset i + 32, width 16, and data entry */ + } +} + /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/GetTxGain */ static struct nphy_txgains b43_nphy_get_tx_gains(struct b43_wldev *dev) { |