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Commit e50cbcf6 authored by Rafał Miłecki's avatar Rafał Miłecki Committed by John W. Linville
Browse files

b43: N-PHY: implement PA overriding (RF control related) 



Signed-off-by: default avatarRafał Miłecki <zajec5@gmail.com>
Signed-off-by: default avatarJohn W. Linville <linville@tuxdriver.com>
parent 90b9738d

drivers/net/wireless/b43/phy_n.c

+36 −2
Original line number Diff line number Diff line
@@ -344,6 +344,40 @@ static void b43_nphy_workarounds(struct b43_wldev *dev) 
	b43_phy_write(dev, B43_NPHY_PHASETR_B2, 0x20);

}



/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/PA%20override */

static void b43_nphy_pa_override(struct b43_wldev *dev, bool enable)

{

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

	enum ieee80211_band band;

	u16 tmp;



	if (!enable) {

		nphy->rfctrl_intc1_save = b43_phy_read(dev,

						       B43_NPHY_RFCTL_INTC1);

		nphy->rfctrl_intc2_save = b43_phy_read(dev,

						       B43_NPHY_RFCTL_INTC2);

		band = b43_current_band(dev->wl);

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

			if (band == IEEE80211_BAND_5GHZ)

				tmp = 0x600;

			else

				tmp = 0x480;

		} else {

			if (band == IEEE80211_BAND_5GHZ)

				tmp = 0x180;

			else

				tmp = 0x120;

		}

		b43_phy_write(dev, B43_NPHY_RFCTL_INTC1, tmp);

		b43_phy_write(dev, B43_NPHY_RFCTL_INTC2, tmp);

	} else {

		b43_phy_write(dev, B43_NPHY_RFCTL_INTC1,

				nphy->rfctrl_intc1_save);

		b43_phy_write(dev, B43_NPHY_RFCTL_INTC2,

				nphy->rfctrl_intc2_save);

	}

}



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

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

{
@@ -964,10 +998,10 @@ int b43_phy_initn(struct b43_wldev *dev) 


	/* TODO N PHY MAC PHY Clock Set with argument 1 */



	/* b43_nphy_pa_override(dev, false); */

	b43_nphy_pa_override(dev, false);

	b43_nphy_force_rf_sequence(dev, B43_RFSEQ_RX2TX);

	b43_nphy_force_rf_sequence(dev, B43_RFSEQ_RESET2RX);

	/* b43_nphy_pa_override(dev, true); */

	b43_nphy_pa_override(dev, true);



	b43_nphy_classifier(dev, 0, 0);

	b43_nphy_read_clip_detection(dev, clip);