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Commit 3ccd0957 authored by Rafał Miłecki's avatar Rafał Miłecki Committed by John W. Linville
Browse files

b43: N-PHY: reorder functions: move rest of workarounds

parent 5ecab603
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+226 −226
Original line number Diff line number Diff line
@@ -1702,6 +1702,232 @@ static void b43_nphy_gain_ctl_workarounds(struct b43_wldev *dev)
		b43_nphy_gain_ctl_workarounds_rev1_2(dev);
}

static void b43_nphy_workarounds_rev3plus(struct b43_wldev *dev)
{
	struct b43_phy_n *nphy = dev->phy.n;
	struct ssb_sprom *sprom = dev->dev->bus_sprom;

	/* TX to RX */
	u8 tx2rx_events[8] = { 0x4, 0x3, 0x6, 0x5, 0x2, 0x1, 0x8, 0x1F };
	u8 tx2rx_delays[8] = { 8, 4, 2, 2, 4, 4, 6, 1 };
	/* RX to TX */
	u8 rx2tx_events_ipa[9] = { 0x0, 0x1, 0x2, 0x8, 0x5, 0x6, 0xF, 0x3,
					0x1F };
	u8 rx2tx_delays_ipa[9] = { 8, 6, 6, 4, 4, 16, 43, 1, 1 };
	u8 rx2tx_events[9] = { 0x0, 0x1, 0x2, 0x8, 0x5, 0x6, 0x3, 0x4, 0x1F };
	u8 rx2tx_delays[9] = { 8, 6, 6, 4, 4, 18, 42, 1, 1 };

	u16 tmp16;
	u32 tmp32;

	b43_phy_write(dev, 0x23f, 0x1f8);
	b43_phy_write(dev, 0x240, 0x1f8);

	tmp32 = b43_ntab_read(dev, B43_NTAB32(30, 0));
	tmp32 &= 0xffffff;
	b43_ntab_write(dev, B43_NTAB32(30, 0), tmp32);

	b43_phy_write(dev, B43_NPHY_PHASETR_A0, 0x0125);
	b43_phy_write(dev, B43_NPHY_PHASETR_A1, 0x01B3);
	b43_phy_write(dev, B43_NPHY_PHASETR_A2, 0x0105);
	b43_phy_write(dev, B43_NPHY_PHASETR_B0, 0x016E);
	b43_phy_write(dev, B43_NPHY_PHASETR_B1, 0x00CD);
	b43_phy_write(dev, B43_NPHY_PHASETR_B2, 0x0020);

	b43_phy_write(dev, B43_NPHY_C2_CLIP1_MEDGAIN, 0x000C);
	b43_phy_write(dev, 0x2AE, 0x000C);

	/* TX to RX */
	b43_nphy_set_rf_sequence(dev, 1, tx2rx_events, tx2rx_delays,
				 ARRAY_SIZE(tx2rx_events));

	/* RX to TX */
	if (b43_nphy_ipa(dev))
		b43_nphy_set_rf_sequence(dev, 0, rx2tx_events_ipa,
				rx2tx_delays_ipa, ARRAY_SIZE(rx2tx_events_ipa));
	if (nphy->hw_phyrxchain != 3 &&
	    nphy->hw_phyrxchain != nphy->hw_phytxchain) {
		if (b43_nphy_ipa(dev)) {
			rx2tx_delays[5] = 59;
			rx2tx_delays[6] = 1;
			rx2tx_events[7] = 0x1F;
		}
		b43_nphy_set_rf_sequence(dev, 1, rx2tx_events, rx2tx_delays,
					 ARRAY_SIZE(rx2tx_events));
	}

	tmp16 = (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ) ?
		0x2 : 0x9C40;
	b43_phy_write(dev, B43_NPHY_ENDROP_TLEN, tmp16);

	b43_phy_maskset(dev, 0x294, 0xF0FF, 0x0700);

	b43_ntab_write(dev, B43_NTAB32(16, 3), 0x18D);
	b43_ntab_write(dev, B43_NTAB32(16, 127), 0x18D);

	b43_nphy_gain_ctl_workarounds(dev);

	b43_ntab_write(dev, B43_NTAB16(8, 0), 2);
	b43_ntab_write(dev, B43_NTAB16(8, 16), 2);

	/* TODO */

	b43_radio_write(dev, B2056_RX0 | B2056_RX_MIXA_MAST_BIAS, 0x00);
	b43_radio_write(dev, B2056_RX1 | B2056_RX_MIXA_MAST_BIAS, 0x00);
	b43_radio_write(dev, B2056_RX0 | B2056_RX_MIXA_BIAS_MAIN, 0x06);
	b43_radio_write(dev, B2056_RX1 | B2056_RX_MIXA_BIAS_MAIN, 0x06);
	b43_radio_write(dev, B2056_RX0 | B2056_RX_MIXA_BIAS_AUX, 0x07);
	b43_radio_write(dev, B2056_RX1 | B2056_RX_MIXA_BIAS_AUX, 0x07);
	b43_radio_write(dev, B2056_RX0 | B2056_RX_MIXA_LOB_BIAS, 0x88);
	b43_radio_write(dev, B2056_RX1 | B2056_RX_MIXA_LOB_BIAS, 0x88);
	b43_radio_write(dev, B2056_RX0 | B2056_RX_MIXA_CMFB_IDAC, 0x00);
	b43_radio_write(dev, B2056_RX1 | B2056_RX_MIXA_CMFB_IDAC, 0x00);
	b43_radio_write(dev, B2056_RX0 | B2056_RX_MIXG_CMFB_IDAC, 0x00);
	b43_radio_write(dev, B2056_RX1 | B2056_RX_MIXG_CMFB_IDAC, 0x00);

	/* N PHY WAR TX Chain Update with hw_phytxchain as argument */

	if ((sprom->boardflags2_lo & B43_BFL2_APLL_WAR &&
	     b43_current_band(dev->wl) == IEEE80211_BAND_5GHZ) ||
	    (sprom->boardflags2_lo & B43_BFL2_GPLL_WAR &&
	     b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ))
		tmp32 = 0x00088888;
	else
		tmp32 = 0x88888888;
	b43_ntab_write(dev, B43_NTAB32(30, 1), tmp32);
	b43_ntab_write(dev, B43_NTAB32(30, 2), tmp32);
	b43_ntab_write(dev, B43_NTAB32(30, 3), tmp32);

	if (dev->phy.rev == 4 &&
		b43_current_band(dev->wl) == IEEE80211_BAND_5GHZ) {
		b43_radio_write(dev, B2056_TX0 | B2056_TX_GMBB_IDAC,
				0x70);
		b43_radio_write(dev, B2056_TX1 | B2056_TX_GMBB_IDAC,
				0x70);
	}

	b43_phy_write(dev, 0x224, 0x03eb);
	b43_phy_write(dev, 0x225, 0x03eb);
	b43_phy_write(dev, 0x226, 0x0341);
	b43_phy_write(dev, 0x227, 0x0341);
	b43_phy_write(dev, 0x228, 0x042b);
	b43_phy_write(dev, 0x229, 0x042b);
	b43_phy_write(dev, 0x22a, 0x0381);
	b43_phy_write(dev, 0x22b, 0x0381);
	b43_phy_write(dev, 0x22c, 0x042b);
	b43_phy_write(dev, 0x22d, 0x042b);
	b43_phy_write(dev, 0x22e, 0x0381);
	b43_phy_write(dev, 0x22f, 0x0381);
}

static void b43_nphy_workarounds_rev1_2(struct b43_wldev *dev)
{
	struct ssb_sprom *sprom = dev->dev->bus_sprom;
	struct b43_phy *phy = &dev->phy;
	struct b43_phy_n *nphy = phy->n;

	u8 events1[7] = { 0x0, 0x1, 0x2, 0x8, 0x4, 0x5, 0x3 };
	u8 delays1[7] = { 0x8, 0x6, 0x6, 0x2, 0x4, 0x3C, 0x1 };

	u8 events2[7] = { 0x0, 0x3, 0x5, 0x4, 0x2, 0x1, 0x8 };
	u8 delays2[7] = { 0x8, 0x6, 0x2, 0x4, 0x4, 0x6, 0x1 };

	if (b43_current_band(dev->wl) == IEEE80211_BAND_5GHZ &&
	    nphy->band5g_pwrgain) {
		b43_radio_mask(dev, B2055_C1_TX_RF_SPARE, ~0x8);
		b43_radio_mask(dev, B2055_C2_TX_RF_SPARE, ~0x8);
	} else {
		b43_radio_set(dev, B2055_C1_TX_RF_SPARE, 0x8);
		b43_radio_set(dev, B2055_C2_TX_RF_SPARE, 0x8);
	}

	b43_ntab_write(dev, B43_NTAB16(8, 0x00), 0x000A);
	b43_ntab_write(dev, B43_NTAB16(8, 0x10), 0x000A);
	b43_ntab_write(dev, B43_NTAB16(8, 0x02), 0xCDAA);
	b43_ntab_write(dev, B43_NTAB16(8, 0x12), 0xCDAA);

	if (dev->phy.rev < 2) {
		b43_ntab_write(dev, B43_NTAB16(8, 0x08), 0x0000);
		b43_ntab_write(dev, B43_NTAB16(8, 0x18), 0x0000);
		b43_ntab_write(dev, B43_NTAB16(8, 0x07), 0x7AAB);
		b43_ntab_write(dev, B43_NTAB16(8, 0x17), 0x7AAB);
		b43_ntab_write(dev, B43_NTAB16(8, 0x06), 0x0800);
		b43_ntab_write(dev, B43_NTAB16(8, 0x16), 0x0800);
	}

	b43_phy_write(dev, B43_NPHY_RFCTL_LUT_TRSW_LO1, 0x2D8);
	b43_phy_write(dev, B43_NPHY_RFCTL_LUT_TRSW_UP1, 0x301);
	b43_phy_write(dev, B43_NPHY_RFCTL_LUT_TRSW_LO2, 0x2D8);
	b43_phy_write(dev, B43_NPHY_RFCTL_LUT_TRSW_UP2, 0x301);

	if (sprom->boardflags2_lo & B43_BFL2_SKWRKFEM_BRD &&
	    dev->dev->board_type == 0x8B) {
		delays1[0] = 0x1;
		delays1[5] = 0x14;
	}
	b43_nphy_set_rf_sequence(dev, 0, events1, delays1, 7);
	b43_nphy_set_rf_sequence(dev, 1, events2, delays2, 7);

	b43_nphy_gain_ctl_workarounds(dev);

	if (dev->phy.rev < 2) {
		if (b43_phy_read(dev, B43_NPHY_RXCTL) & 0x2)
			b43_hf_write(dev, b43_hf_read(dev) |
					B43_HF_MLADVW);
	} else if (dev->phy.rev == 2) {
		b43_phy_write(dev, B43_NPHY_CRSCHECK2, 0);
		b43_phy_write(dev, B43_NPHY_CRSCHECK3, 0);
	}

	if (dev->phy.rev < 2)
		b43_phy_mask(dev, B43_NPHY_SCRAM_SIGCTL,
				~B43_NPHY_SCRAM_SIGCTL_SCM);

	/* Set phase track alpha and beta */
	b43_phy_write(dev, B43_NPHY_PHASETR_A0, 0x125);
	b43_phy_write(dev, B43_NPHY_PHASETR_A1, 0x1B3);
	b43_phy_write(dev, B43_NPHY_PHASETR_A2, 0x105);
	b43_phy_write(dev, B43_NPHY_PHASETR_B0, 0x16E);
	b43_phy_write(dev, B43_NPHY_PHASETR_B1, 0xCD);
	b43_phy_write(dev, B43_NPHY_PHASETR_B2, 0x20);

	b43_phy_mask(dev, B43_NPHY_PIL_DW1,
			~B43_NPHY_PIL_DW_64QAM & 0xFFFF);
	b43_phy_write(dev, B43_NPHY_TXF_20CO_S2B1, 0xB5);
	b43_phy_write(dev, B43_NPHY_TXF_20CO_S2B2, 0xA4);
	b43_phy_write(dev, B43_NPHY_TXF_20CO_S2B3, 0x00);

	if (dev->phy.rev == 2)
		b43_phy_set(dev, B43_NPHY_FINERX2_CGC,
				B43_NPHY_FINERX2_CGC_DECGC);
}

/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/Workarounds */
static void b43_nphy_workarounds(struct b43_wldev *dev)
{
	struct b43_phy *phy = &dev->phy;
	struct b43_phy_n *nphy = phy->n;

	if (b43_current_band(dev->wl) == IEEE80211_BAND_5GHZ)
		b43_nphy_classifier(dev, 1, 0);
	else
		b43_nphy_classifier(dev, 1, 1);

	if (nphy->hang_avoid)
		b43_nphy_stay_in_carrier_search(dev, 1);

	b43_phy_set(dev, B43_NPHY_IQFLIP,
		    B43_NPHY_IQFLIP_ADC1 | B43_NPHY_IQFLIP_ADC2);

	if (dev->phy.rev >= 3)
		b43_nphy_workarounds_rev3plus(dev);
	else
		b43_nphy_workarounds_rev1_2(dev);

	if (nphy->hang_avoid)
		b43_nphy_stay_in_carrier_search(dev, 0);
}

/**************************************************
 * Others
 **************************************************/
@@ -2514,232 +2740,6 @@ static void b43_nphy_spur_workaround(struct b43_wldev *dev)
		b43_nphy_stay_in_carrier_search(dev, 0);
}

static void b43_nphy_workarounds_rev3plus(struct b43_wldev *dev)
{
	struct b43_phy_n *nphy = dev->phy.n;
	struct ssb_sprom *sprom = dev->dev->bus_sprom;

	/* TX to RX */
	u8 tx2rx_events[8] = { 0x4, 0x3, 0x6, 0x5, 0x2, 0x1, 0x8, 0x1F };
	u8 tx2rx_delays[8] = { 8, 4, 2, 2, 4, 4, 6, 1 };
	/* RX to TX */
	u8 rx2tx_events_ipa[9] = { 0x0, 0x1, 0x2, 0x8, 0x5, 0x6, 0xF, 0x3,
					0x1F };
	u8 rx2tx_delays_ipa[9] = { 8, 6, 6, 4, 4, 16, 43, 1, 1 };
	u8 rx2tx_events[9] = { 0x0, 0x1, 0x2, 0x8, 0x5, 0x6, 0x3, 0x4, 0x1F };
	u8 rx2tx_delays[9] = { 8, 6, 6, 4, 4, 18, 42, 1, 1 };

	u16 tmp16;
	u32 tmp32;

	b43_phy_write(dev, 0x23f, 0x1f8);
	b43_phy_write(dev, 0x240, 0x1f8);

	tmp32 = b43_ntab_read(dev, B43_NTAB32(30, 0));
	tmp32 &= 0xffffff;
	b43_ntab_write(dev, B43_NTAB32(30, 0), tmp32);

	b43_phy_write(dev, B43_NPHY_PHASETR_A0, 0x0125);
	b43_phy_write(dev, B43_NPHY_PHASETR_A1, 0x01B3);
	b43_phy_write(dev, B43_NPHY_PHASETR_A2, 0x0105);
	b43_phy_write(dev, B43_NPHY_PHASETR_B0, 0x016E);
	b43_phy_write(dev, B43_NPHY_PHASETR_B1, 0x00CD);
	b43_phy_write(dev, B43_NPHY_PHASETR_B2, 0x0020);

	b43_phy_write(dev, B43_NPHY_C2_CLIP1_MEDGAIN, 0x000C);
	b43_phy_write(dev, 0x2AE, 0x000C);

	/* TX to RX */
	b43_nphy_set_rf_sequence(dev, 1, tx2rx_events, tx2rx_delays,
				 ARRAY_SIZE(tx2rx_events));

	/* RX to TX */
	if (b43_nphy_ipa(dev))
		b43_nphy_set_rf_sequence(dev, 0, rx2tx_events_ipa,
				rx2tx_delays_ipa, ARRAY_SIZE(rx2tx_events_ipa));
	if (nphy->hw_phyrxchain != 3 &&
	    nphy->hw_phyrxchain != nphy->hw_phytxchain) {
		if (b43_nphy_ipa(dev)) {
			rx2tx_delays[5] = 59;
			rx2tx_delays[6] = 1;
			rx2tx_events[7] = 0x1F;
		}
		b43_nphy_set_rf_sequence(dev, 1, rx2tx_events, rx2tx_delays,
					 ARRAY_SIZE(rx2tx_events));
	}

	tmp16 = (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ) ?
		0x2 : 0x9C40;
	b43_phy_write(dev, B43_NPHY_ENDROP_TLEN, tmp16);

	b43_phy_maskset(dev, 0x294, 0xF0FF, 0x0700);

	b43_ntab_write(dev, B43_NTAB32(16, 3), 0x18D);
	b43_ntab_write(dev, B43_NTAB32(16, 127), 0x18D);

	b43_nphy_gain_ctl_workarounds(dev);

	b43_ntab_write(dev, B43_NTAB16(8, 0), 2);
	b43_ntab_write(dev, B43_NTAB16(8, 16), 2);

	/* TODO */

	b43_radio_write(dev, B2056_RX0 | B2056_RX_MIXA_MAST_BIAS, 0x00);
	b43_radio_write(dev, B2056_RX1 | B2056_RX_MIXA_MAST_BIAS, 0x00);
	b43_radio_write(dev, B2056_RX0 | B2056_RX_MIXA_BIAS_MAIN, 0x06);
	b43_radio_write(dev, B2056_RX1 | B2056_RX_MIXA_BIAS_MAIN, 0x06);
	b43_radio_write(dev, B2056_RX0 | B2056_RX_MIXA_BIAS_AUX, 0x07);
	b43_radio_write(dev, B2056_RX1 | B2056_RX_MIXA_BIAS_AUX, 0x07);
	b43_radio_write(dev, B2056_RX0 | B2056_RX_MIXA_LOB_BIAS, 0x88);
	b43_radio_write(dev, B2056_RX1 | B2056_RX_MIXA_LOB_BIAS, 0x88);
	b43_radio_write(dev, B2056_RX0 | B2056_RX_MIXA_CMFB_IDAC, 0x00);
	b43_radio_write(dev, B2056_RX1 | B2056_RX_MIXA_CMFB_IDAC, 0x00);
	b43_radio_write(dev, B2056_RX0 | B2056_RX_MIXG_CMFB_IDAC, 0x00);
	b43_radio_write(dev, B2056_RX1 | B2056_RX_MIXG_CMFB_IDAC, 0x00);

	/* N PHY WAR TX Chain Update with hw_phytxchain as argument */

	if ((sprom->boardflags2_lo & B43_BFL2_APLL_WAR &&
	     b43_current_band(dev->wl) == IEEE80211_BAND_5GHZ) ||
	    (sprom->boardflags2_lo & B43_BFL2_GPLL_WAR &&
	     b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ))
		tmp32 = 0x00088888;
	else
		tmp32 = 0x88888888;
	b43_ntab_write(dev, B43_NTAB32(30, 1), tmp32);
	b43_ntab_write(dev, B43_NTAB32(30, 2), tmp32);
	b43_ntab_write(dev, B43_NTAB32(30, 3), tmp32);

	if (dev->phy.rev == 4 &&
		b43_current_band(dev->wl) == IEEE80211_BAND_5GHZ) {
		b43_radio_write(dev, B2056_TX0 | B2056_TX_GMBB_IDAC,
				0x70);
		b43_radio_write(dev, B2056_TX1 | B2056_TX_GMBB_IDAC,
				0x70);
	}

	b43_phy_write(dev, 0x224, 0x03eb);
	b43_phy_write(dev, 0x225, 0x03eb);
	b43_phy_write(dev, 0x226, 0x0341);
	b43_phy_write(dev, 0x227, 0x0341);
	b43_phy_write(dev, 0x228, 0x042b);
	b43_phy_write(dev, 0x229, 0x042b);
	b43_phy_write(dev, 0x22a, 0x0381);
	b43_phy_write(dev, 0x22b, 0x0381);
	b43_phy_write(dev, 0x22c, 0x042b);
	b43_phy_write(dev, 0x22d, 0x042b);
	b43_phy_write(dev, 0x22e, 0x0381);
	b43_phy_write(dev, 0x22f, 0x0381);
}

static void b43_nphy_workarounds_rev1_2(struct b43_wldev *dev)
{
	struct ssb_sprom *sprom = dev->dev->bus_sprom;
	struct b43_phy *phy = &dev->phy;
	struct b43_phy_n *nphy = phy->n;

	u8 events1[7] = { 0x0, 0x1, 0x2, 0x8, 0x4, 0x5, 0x3 };
	u8 delays1[7] = { 0x8, 0x6, 0x6, 0x2, 0x4, 0x3C, 0x1 };

	u8 events2[7] = { 0x0, 0x3, 0x5, 0x4, 0x2, 0x1, 0x8 };
	u8 delays2[7] = { 0x8, 0x6, 0x2, 0x4, 0x4, 0x6, 0x1 };

	if (b43_current_band(dev->wl) == IEEE80211_BAND_5GHZ &&
	    nphy->band5g_pwrgain) {
		b43_radio_mask(dev, B2055_C1_TX_RF_SPARE, ~0x8);
		b43_radio_mask(dev, B2055_C2_TX_RF_SPARE, ~0x8);
	} else {
		b43_radio_set(dev, B2055_C1_TX_RF_SPARE, 0x8);
		b43_radio_set(dev, B2055_C2_TX_RF_SPARE, 0x8);
	}

	b43_ntab_write(dev, B43_NTAB16(8, 0x00), 0x000A);
	b43_ntab_write(dev, B43_NTAB16(8, 0x10), 0x000A);
	b43_ntab_write(dev, B43_NTAB16(8, 0x02), 0xCDAA);
	b43_ntab_write(dev, B43_NTAB16(8, 0x12), 0xCDAA);

	if (dev->phy.rev < 2) {
		b43_ntab_write(dev, B43_NTAB16(8, 0x08), 0x0000);
		b43_ntab_write(dev, B43_NTAB16(8, 0x18), 0x0000);
		b43_ntab_write(dev, B43_NTAB16(8, 0x07), 0x7AAB);
		b43_ntab_write(dev, B43_NTAB16(8, 0x17), 0x7AAB);
		b43_ntab_write(dev, B43_NTAB16(8, 0x06), 0x0800);
		b43_ntab_write(dev, B43_NTAB16(8, 0x16), 0x0800);
	}

	b43_phy_write(dev, B43_NPHY_RFCTL_LUT_TRSW_LO1, 0x2D8);
	b43_phy_write(dev, B43_NPHY_RFCTL_LUT_TRSW_UP1, 0x301);
	b43_phy_write(dev, B43_NPHY_RFCTL_LUT_TRSW_LO2, 0x2D8);
	b43_phy_write(dev, B43_NPHY_RFCTL_LUT_TRSW_UP2, 0x301);

	if (sprom->boardflags2_lo & B43_BFL2_SKWRKFEM_BRD &&
	    dev->dev->board_type == 0x8B) {
		delays1[0] = 0x1;
		delays1[5] = 0x14;
	}
	b43_nphy_set_rf_sequence(dev, 0, events1, delays1, 7);
	b43_nphy_set_rf_sequence(dev, 1, events2, delays2, 7);

	b43_nphy_gain_ctl_workarounds(dev);

	if (dev->phy.rev < 2) {
		if (b43_phy_read(dev, B43_NPHY_RXCTL) & 0x2)
			b43_hf_write(dev, b43_hf_read(dev) |
					B43_HF_MLADVW);
	} else if (dev->phy.rev == 2) {
		b43_phy_write(dev, B43_NPHY_CRSCHECK2, 0);
		b43_phy_write(dev, B43_NPHY_CRSCHECK3, 0);
	}

	if (dev->phy.rev < 2)
		b43_phy_mask(dev, B43_NPHY_SCRAM_SIGCTL,
				~B43_NPHY_SCRAM_SIGCTL_SCM);

	/* Set phase track alpha and beta */
	b43_phy_write(dev, B43_NPHY_PHASETR_A0, 0x125);
	b43_phy_write(dev, B43_NPHY_PHASETR_A1, 0x1B3);
	b43_phy_write(dev, B43_NPHY_PHASETR_A2, 0x105);
	b43_phy_write(dev, B43_NPHY_PHASETR_B0, 0x16E);
	b43_phy_write(dev, B43_NPHY_PHASETR_B1, 0xCD);
	b43_phy_write(dev, B43_NPHY_PHASETR_B2, 0x20);

	b43_phy_mask(dev, B43_NPHY_PIL_DW1,
			~B43_NPHY_PIL_DW_64QAM & 0xFFFF);
	b43_phy_write(dev, B43_NPHY_TXF_20CO_S2B1, 0xB5);
	b43_phy_write(dev, B43_NPHY_TXF_20CO_S2B2, 0xA4);
	b43_phy_write(dev, B43_NPHY_TXF_20CO_S2B3, 0x00);

	if (dev->phy.rev == 2)
		b43_phy_set(dev, B43_NPHY_FINERX2_CGC,
				B43_NPHY_FINERX2_CGC_DECGC);
}

/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/Workarounds */
static void b43_nphy_workarounds(struct b43_wldev *dev)
{
	struct b43_phy *phy = &dev->phy;
	struct b43_phy_n *nphy = phy->n;

	if (b43_current_band(dev->wl) == IEEE80211_BAND_5GHZ)
		b43_nphy_classifier(dev, 1, 0);
	else
		b43_nphy_classifier(dev, 1, 1);

	if (nphy->hang_avoid)
		b43_nphy_stay_in_carrier_search(dev, 1);

	b43_phy_set(dev, B43_NPHY_IQFLIP,
		    B43_NPHY_IQFLIP_ADC1 | B43_NPHY_IQFLIP_ADC2);

	if (dev->phy.rev >= 3)
		b43_nphy_workarounds_rev3plus(dev);
	else
		b43_nphy_workarounds_rev1_2(dev);

	if (nphy->hang_avoid)
		b43_nphy_stay_in_carrier_search(dev, 0);
}

/*
 * Transmits a known value for LO calibration
 * http://bcm-v4.sipsolutions.net/802.11/PHY/N/TXTone