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Commit c4a92003 authored by Rafał Miłecki's avatar Rafał Miłecki Committed by John W. Linville
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b43: N-PHY: add RX radio cores calibration 



Signed-off-by: default avatarRafał Miłecki <zajec5@gmail.com>
Signed-off-by: default avatarJohn W. Linville <linville@tuxdriver.com>
parent fe3e46e8

drivers/net/wireless/b43/phy_n.c

+43 −0
Original line number Diff line number Diff line
@@ -1173,6 +1173,49 @@ static const u32 *b43_nphy_get_ipa_gain_table(struct b43_wldev *dev) 
	}

}



/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/TxCalRadioSetup */

static void b43_nphy_tx_cal_radio_setup(struct b43_wldev *dev)

{

	struct b43_phy_n *nphy = dev->phy.n;

	u16 *save = nphy->tx_rx_cal_radio_saveregs;



	if (dev->phy.rev >= 3) {

		/* TODO */

	} else {

		save[0] = b43_radio_read16(dev, B2055_C1_TX_RF_IQCAL1);

		b43_radio_write16(dev, B2055_C1_TX_RF_IQCAL1, 0x29);



		save[1] = b43_radio_read16(dev, B2055_C1_TX_RF_IQCAL2);

		b43_radio_write16(dev, B2055_C1_TX_RF_IQCAL2, 0x54);



		save[2] = b43_radio_read16(dev, B2055_C2_TX_RF_IQCAL1);

		b43_radio_write16(dev, B2055_C2_TX_RF_IQCAL1, 0x29);



		save[3] = b43_radio_read16(dev, B2055_C2_TX_RF_IQCAL2);

		b43_radio_write16(dev, B2055_C2_TX_RF_IQCAL2, 0x54);



		save[3] = b43_radio_read16(dev, B2055_C1_PWRDET_RXTX);

		save[4] = b43_radio_read16(dev, B2055_C2_PWRDET_RXTX);



		if (!(b43_phy_read(dev, B43_NPHY_BANDCTL) &

		    B43_NPHY_BANDCTL_5GHZ)) {

			b43_radio_write16(dev, B2055_C1_PWRDET_RXTX, 0x04);

			b43_radio_write16(dev, B2055_C2_PWRDET_RXTX, 0x04);

		} else {

			b43_radio_write16(dev, B2055_C1_PWRDET_RXTX, 0x20);

			b43_radio_write16(dev, B2055_C2_PWRDET_RXTX, 0x20);

		}



		if (dev->phy.rev < 2) {

			b43_radio_set(dev, B2055_C1_TX_BB_MXGM, 0x20);

			b43_radio_set(dev, B2055_C2_TX_BB_MXGM, 0x20);

		} else {

			b43_radio_mask(dev, B2055_C1_TX_BB_MXGM, ~0x20);

			b43_radio_mask(dev, B2055_C2_TX_BB_MXGM, ~0x20);

		}

	}

}



/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/GetTxGain */

static struct nphy_txgains b43_nphy_get_tx_gains(struct b43_wldev *dev)

{