Commit e9762492 authored by Rafał Miłecki's avatar Rafał Miłecki Committed by John W. Linville

b43: N-PHY: implement calculating IQ gain params

Signed-off-by: default avatarRafał Miłecki <zajec5@gmail.com>
Signed-off-by: default avatarJohn W. Linville <linville@tuxdriver.com>
parent de7ed0c6
......@@ -1216,6 +1216,44 @@ static void b43_nphy_tx_cal_radio_setup(struct b43_wldev *dev)
}
}
/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/IqCalGainParams */
static void b43_nphy_iq_cal_gain_params(struct b43_wldev *dev, u16 core,
struct nphy_txgains target,
struct nphy_iqcal_params *params)
{
int i, j, indx;
u16 gain;
if (dev->phy.rev >= 3) {
params->txgm = target.txgm[core];
params->pga = target.pga[core];
params->pad = target.pad[core];
params->ipa = target.ipa[core];
params->cal_gain = (params->txgm << 12) | (params->pga << 8) |
(params->pad << 4) | (params->ipa);
for (j = 0; j < 5; j++)
params->ncorr[j] = 0x79;
} else {
gain = (target.pad[core]) | (target.pga[core] << 4) |
(target.txgm[core] << 8);
indx = (b43_current_band(dev->wl) == IEEE80211_BAND_5GHZ) ?
1 : 0;
for (i = 0; i < 9; i++)
if (tbl_iqcal_gainparams[indx][i][0] == gain)
break;
i = min(i, 8);
params->txgm = tbl_iqcal_gainparams[indx][i][1];
params->pga = tbl_iqcal_gainparams[indx][i][2];
params->pad = tbl_iqcal_gainparams[indx][i][3];
params->cal_gain = (params->txgm << 7) | (params->pga << 4) |
(params->pad << 2);
for (j = 0; j < 4; j++)
params->ncorr[j] = tbl_iqcal_gainparams[indx][i][4 + j];
}
}
/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/UpdateTxCalLadder */
static void b43_nphy_update_tx_cal_ladder(struct b43_wldev *dev, u16 core)
{
......
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