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Commit 4e687b22 authored by Gábor Stefanik's avatar Gábor Stefanik Committed by John W. Linville
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b43: N-PHY: Implement RX core state setting for rev.2 and earlier PHYs 



Rev.3+ support coming in a later patch.

Signed-off-by: default avatarGábor Stefanik <netrolller.3d@gmail.com>
Signed-off-by: default avatarJohn W. Linville <linville@tuxdriver.com>
parent d2730b2a

drivers/net/wireless/b43/phy_n.c

+39 −1
Original line number Diff line number Diff line
@@ -3085,6 +3085,44 @@ static void b43_nphy_mac_phy_clock_set(struct b43_wldev *dev, bool on) 
	ssb_write32(dev->dev, SSB_TMSLOW, tmslow);

}



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

static void b43_nphy_set_rx_core_state(struct b43_wldev *dev, u8 mask)

{

	struct b43_phy *phy = &dev->phy;

	struct b43_phy_n *nphy = phy->n;

	u16 buf[16];



	if (0 /* FIXME clk */)

		return;



	b43_mac_suspend(dev);



	if (nphy->hang_avoid)

		b43_nphy_stay_in_carrier_search(dev, true);



	b43_phy_maskset(dev, B43_NPHY_RFSEQCA, ~B43_NPHY_RFSEQCA_RXEN,

			(mask & 0x3) << B43_NPHY_RFSEQCA_RXEN_SHIFT);



	if (mask & 0x3 != 0x3) {

		b43_phy_write(dev, B43_NPHY_HPANT_SWTHRES, 1);

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

			/* TODO */

		}

	} else {

		b43_phy_write(dev, B43_NPHY_HPANT_SWTHRES, 0x1E);

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

			/* TODO */

		}

	}



	b43_nphy_force_rf_sequence(dev, B43_RFSEQ_RESET2RX);



	if (nphy->hang_avoid)

		b43_nphy_stay_in_carrier_search(dev, false);



	b43_mac_enable(dev);

}



/*

 * Init N-PHY

 * http://bcm-v4.sipsolutions.net/802.11/PHY/Init/N
@@ -3211,7 +3249,7 @@ int b43_phy_initn(struct b43_wldev *dev) 
	}



	if (nphy->phyrxchain != 3)

		;/* TODO N PHY RX Core Set State with phyrxchain as argument */

		b43_nphy_set_rx_core_state(dev, nphy->phyrxchain);

	if (nphy->mphase_cal_phase_id > 0)

		;/* TODO PHY Periodic Calibration Multi-Phase Restart */