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>
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@ -2587,6 +2587,39 @@ static int b43_nphy_cal_tx_iq_lo(struct b43_wldev *dev,
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return error;
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}
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/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/ReapplyTxCalCoeffs */
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static void b43_nphy_reapply_tx_cal_coeffs(struct b43_wldev *dev)
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{
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struct b43_phy_n *nphy = dev->phy.n;
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u8 i;
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u16 buffer[7];
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bool equal = true;
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if (!nphy->txiqlocal_coeffsvalid || 1 /* FIXME */)
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return;
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b43_ntab_read_bulk(dev, B43_NTAB16(15, 80), 7, buffer);
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for (i = 0; i < 4; i++) {
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if (buffer[i] != nphy->txiqlocal_bestc[i]) {
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equal = false;
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break;
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}
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}
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if (!equal) {
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b43_ntab_write_bulk(dev, B43_NTAB16(15, 80), 4,
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nphy->txiqlocal_bestc);
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for (i = 0; i < 4; i++)
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buffer[i] = 0;
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b43_ntab_write_bulk(dev, B43_NTAB16(15, 88), 4,
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buffer);
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b43_ntab_write_bulk(dev, B43_NTAB16(15, 85), 2,
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&nphy->txiqlocal_bestc[5]);
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b43_ntab_write_bulk(dev, B43_NTAB16(15, 93), 2,
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&nphy->txiqlocal_bestc[5]);
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}
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}
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/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/CalRxIqRev2 */
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static int b43_nphy_rev2_cal_rx_iq(struct b43_wldev *dev,
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struct nphy_txgains target, u8 type, bool debug)
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@ -2617,7 +2650,7 @@ static int b43_nphy_rev2_cal_rx_iq(struct b43_wldev *dev,
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b43_nphy_stay_in_carrier_search(dev, 1);
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if (dev->phy.rev < 2)
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;/* TODO: Call N PHY Reapply TX Cal Coeffs */
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b43_nphy_reapply_tx_cal_coeffs(dev);
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b43_ntab_read_bulk(dev, B43_NTAB16(7, 0x110), 2, gain_save);
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for (i = 0; i < 2; i++) {
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b43_nphy_iq_cal_gain_params(dev, i, target, &cal_params[i]);
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