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Commit fe3e46e8 authored by Rafał Miłecki's avatar Rafał Miłecki Committed by John W. Linville
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b43: N-PHY: add TX LP FBW (TX filter 40 related) 



Signed-off-by: default avatarRafał Miłecki <zajec5@gmail.com>
Signed-off-by: default avatarJohn W. Linville <linville@tuxdriver.com>
parent b0022e15

drivers/net/wireless/b43/phy_n.c

+23 −1
Original line number Diff line number Diff line
@@ -378,6 +378,28 @@ static void b43_nphy_pa_override(struct b43_wldev *dev, bool enable) 
	}

}



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

static void b43_nphy_tx_lp_fbw(struct b43_wldev *dev)

{

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

	u16 tmp;

	enum ieee80211_band band = b43_current_band(dev->wl);

	bool ipa = (nphy->ipa2g_on && band == IEEE80211_BAND_2GHZ) ||

			(nphy->ipa5g_on && band == IEEE80211_BAND_5GHZ);



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

		if (ipa) {

			tmp = 4;

			b43_phy_write(dev, B43_NPHY_TXF_40CO_B32S2,

			      (((((tmp << 3) | tmp) << 3) | tmp) << 3) | tmp);

		}



		tmp = 1;

		b43_phy_write(dev, B43_NPHY_TXF_40CO_B1S2,

			      (((((tmp << 3) | tmp) << 3) | tmp) << 3) | tmp);

	}

}



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

static void b43_nphy_bmac_clock_fgc(struct b43_wldev *dev, bool force)

{
@@ -1494,7 +1516,7 @@ int b43_phy_initn(struct b43_wldev *dev) 
	b43_phy_write(dev, B43_NPHY_TXMACDELAY, 0x0320);

	if (phy->rev >= 3 && phy->rev <= 6)

		b43_phy_write(dev, B43_NPHY_PLOAD_CSENSE_EXTLEN, 0x0014);

	/* b43_nphy_tx_lp_fbw(dev); */

	b43_nphy_tx_lp_fbw(dev);

	/* TODO N PHY Spur Workaround */



	b43err(dev->wl, "IEEE 802.11n devices are not supported, yet.\n");