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>
This commit is contained in:
Rafał Miłecki 2010-02-04 12:23:10 +01:00 committed by John W. Linville
parent 67cbc3ed5b
commit 984ff4ffb7
1 changed files with 34 additions and 1 deletions

View File

@ -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]);