phy_n.c 130.3 KB
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/*

  Broadcom B43 wireless driver
  IEEE 802.11n PHY support

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Michael Büsch 已提交
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  Copyright (c) 2008 Michael Buesch <m@bues.ch>
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  Copyright (c) 2010-2011 Rafał Miłecki <zajec5@gmail.com>
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  This program is free software; you can redistribute it and/or modify
  it under the terms of the GNU General Public License as published by
  the Free Software Foundation; either version 2 of the License, or
  (at your option) any later version.

  This program is distributed in the hope that it will be useful,
  but WITHOUT ANY WARRANTY; without even the implied warranty of
  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  GNU General Public License for more details.

  You should have received a copy of the GNU General Public License
  along with this program; see the file COPYING.  If not, write to
  the Free Software Foundation, Inc., 51 Franklin Steet, Fifth Floor,
  Boston, MA 02110-1301, USA.

*/

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#include <linux/delay.h>
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#include <linux/slab.h>
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#include <linux/types.h>

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#include "b43.h"
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#include "phy_n.h"
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Michael Buesch 已提交
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#include "tables_nphy.h"
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#include "radio_2055.h"
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#include "radio_2056.h"
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#include "main.h"
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struct nphy_txgains {
	u16 txgm[2];
	u16 pga[2];
	u16 pad[2];
	u16 ipa[2];
};

struct nphy_iqcal_params {
	u16 txgm;
	u16 pga;
	u16 pad;
	u16 ipa;
	u16 cal_gain;
	u16 ncorr[5];
};

struct nphy_iq_est {
	s32 iq0_prod;
	u32 i0_pwr;
	u32 q0_pwr;
	s32 iq1_prod;
	u32 i1_pwr;
	u32 q1_pwr;
};
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enum b43_nphy_rf_sequence {
	B43_RFSEQ_RX2TX,
	B43_RFSEQ_TX2RX,
	B43_RFSEQ_RESET2RX,
	B43_RFSEQ_UPDATE_GAINH,
	B43_RFSEQ_UPDATE_GAINL,
	B43_RFSEQ_UPDATE_GAINU,
};

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enum b43_nphy_rssi_type {
	B43_NPHY_RSSI_X = 0,
	B43_NPHY_RSSI_Y,
	B43_NPHY_RSSI_Z,
	B43_NPHY_RSSI_PWRDET,
	B43_NPHY_RSSI_TSSI_I,
	B43_NPHY_RSSI_TSSI_Q,
	B43_NPHY_RSSI_TBD,
};

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static inline bool b43_nphy_ipa(struct b43_wldev *dev)
{
	enum ieee80211_band band = b43_current_band(dev->wl);
	return ((dev->phy.n->ipa2g_on && band == IEEE80211_BAND_2GHZ) ||
		(dev->phy.n->ipa5g_on && band == IEEE80211_BAND_5GHZ));
}

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/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/GetIpaGainTbl */
static const u32 *b43_nphy_get_ipa_gain_table(struct b43_wldev *dev)
{
	if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ) {
		if (dev->phy.rev >= 6) {
			if (dev->dev->chip_id == 47162)
				return txpwrctrl_tx_gain_ipa_rev5;
			return txpwrctrl_tx_gain_ipa_rev6;
		} else if (dev->phy.rev >= 5) {
			return txpwrctrl_tx_gain_ipa_rev5;
		} else {
			return txpwrctrl_tx_gain_ipa;
		}
	} else {
		return txpwrctrl_tx_gain_ipa_5g;
	}
}

/**************************************************
 * RF (just without b43_nphy_rf_control_intc_override)
 **************************************************/

/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/ForceRFSeq */
static void b43_nphy_force_rf_sequence(struct b43_wldev *dev,
				       enum b43_nphy_rf_sequence seq)
{
	static const u16 trigger[] = {
		[B43_RFSEQ_RX2TX]		= B43_NPHY_RFSEQTR_RX2TX,
		[B43_RFSEQ_TX2RX]		= B43_NPHY_RFSEQTR_TX2RX,
		[B43_RFSEQ_RESET2RX]		= B43_NPHY_RFSEQTR_RST2RX,
		[B43_RFSEQ_UPDATE_GAINH]	= B43_NPHY_RFSEQTR_UPGH,
		[B43_RFSEQ_UPDATE_GAINL]	= B43_NPHY_RFSEQTR_UPGL,
		[B43_RFSEQ_UPDATE_GAINU]	= B43_NPHY_RFSEQTR_UPGU,
	};
	int i;
	u16 seq_mode = b43_phy_read(dev, B43_NPHY_RFSEQMODE);

	B43_WARN_ON(seq >= ARRAY_SIZE(trigger));

	b43_phy_set(dev, B43_NPHY_RFSEQMODE,
		    B43_NPHY_RFSEQMODE_CAOVER | B43_NPHY_RFSEQMODE_TROVER);
	b43_phy_set(dev, B43_NPHY_RFSEQTR, trigger[seq]);
	for (i = 0; i < 200; i++) {
		if (!(b43_phy_read(dev, B43_NPHY_RFSEQST) & trigger[seq]))
			goto ok;
		msleep(1);
	}
	b43err(dev->wl, "RF sequence status timeout\n");
ok:
	b43_phy_write(dev, B43_NPHY_RFSEQMODE, seq_mode);
}

/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/RFCtrlOverride */
static void b43_nphy_rf_control_override(struct b43_wldev *dev, u16 field,
						u16 value, u8 core, bool off)
{
	int i;
	u8 index = fls(field);
	u8 addr, en_addr, val_addr;
	/* we expect only one bit set */
	B43_WARN_ON(field & (~(1 << (index - 1))));

	if (dev->phy.rev >= 3) {
		const struct nphy_rf_control_override_rev3 *rf_ctrl;
		for (i = 0; i < 2; i++) {
			if (index == 0 || index == 16) {
				b43err(dev->wl,
					"Unsupported RF Ctrl Override call\n");
				return;
			}

			rf_ctrl = &tbl_rf_control_override_rev3[index - 1];
			en_addr = B43_PHY_N((i == 0) ?
				rf_ctrl->en_addr0 : rf_ctrl->en_addr1);
			val_addr = B43_PHY_N((i == 0) ?
				rf_ctrl->val_addr0 : rf_ctrl->val_addr1);

			if (off) {
				b43_phy_mask(dev, en_addr, ~(field));
				b43_phy_mask(dev, val_addr,
						~(rf_ctrl->val_mask));
			} else {
				if (core == 0 || ((1 << core) & i) != 0) {
					b43_phy_set(dev, en_addr, field);
					b43_phy_maskset(dev, val_addr,
						~(rf_ctrl->val_mask),
						(value << rf_ctrl->val_shift));
				}
			}
		}
	} else {
		const struct nphy_rf_control_override_rev2 *rf_ctrl;
		if (off) {
			b43_phy_mask(dev, B43_NPHY_RFCTL_OVER, ~(field));
			value = 0;
		} else {
			b43_phy_set(dev, B43_NPHY_RFCTL_OVER, field);
		}

		for (i = 0; i < 2; i++) {
			if (index <= 1 || index == 16) {
				b43err(dev->wl,
					"Unsupported RF Ctrl Override call\n");
				return;
			}

			if (index == 2 || index == 10 ||
			    (index >= 13 && index <= 15)) {
				core = 1;
			}

			rf_ctrl = &tbl_rf_control_override_rev2[index - 2];
			addr = B43_PHY_N((i == 0) ?
				rf_ctrl->addr0 : rf_ctrl->addr1);

			if ((core & (1 << i)) != 0)
				b43_phy_maskset(dev, addr, ~(rf_ctrl->bmask),
						(value << rf_ctrl->shift));

			b43_phy_set(dev, B43_NPHY_RFCTL_OVER, 0x1);
			b43_phy_set(dev, B43_NPHY_RFCTL_CMD,
					B43_NPHY_RFCTL_CMD_START);
			udelay(1);
			b43_phy_mask(dev, B43_NPHY_RFCTL_OVER, 0xFFFE);
		}
	}
}

/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/RFCtrlIntcOverride */
static void b43_nphy_rf_control_intc_override(struct b43_wldev *dev, u8 field,
						u16 value, u8 core)
{
	u8 i, j;
	u16 reg, tmp, val;

	B43_WARN_ON(dev->phy.rev < 3);
	B43_WARN_ON(field > 4);

	for (i = 0; i < 2; i++) {
		if ((core == 1 && i == 1) || (core == 2 && !i))
			continue;

		reg = (i == 0) ?
			B43_NPHY_RFCTL_INTC1 : B43_NPHY_RFCTL_INTC2;
		b43_phy_mask(dev, reg, 0xFBFF);

		switch (field) {
		case 0:
			b43_phy_write(dev, reg, 0);
			b43_nphy_force_rf_sequence(dev, B43_RFSEQ_RESET2RX);
			break;
		case 1:
			if (!i) {
				b43_phy_maskset(dev, B43_NPHY_RFCTL_INTC1,
						0xFC3F, (value << 6));
				b43_phy_maskset(dev, B43_NPHY_TXF_40CO_B1S1,
						0xFFFE, 1);
				b43_phy_set(dev, B43_NPHY_RFCTL_CMD,
						B43_NPHY_RFCTL_CMD_START);
				for (j = 0; j < 100; j++) {
					if (b43_phy_read(dev, B43_NPHY_RFCTL_CMD) & B43_NPHY_RFCTL_CMD_START) {
						j = 0;
						break;
					}
					udelay(10);
				}
				if (j)
					b43err(dev->wl,
						"intc override timeout\n");
				b43_phy_mask(dev, B43_NPHY_TXF_40CO_B1S1,
						0xFFFE);
			} else {
				b43_phy_maskset(dev, B43_NPHY_RFCTL_INTC2,
						0xFC3F, (value << 6));
				b43_phy_maskset(dev, B43_NPHY_RFCTL_OVER,
						0xFFFE, 1);
				b43_phy_set(dev, B43_NPHY_RFCTL_CMD,
						B43_NPHY_RFCTL_CMD_RXTX);
				for (j = 0; j < 100; j++) {
					if (b43_phy_read(dev, B43_NPHY_RFCTL_CMD) & B43_NPHY_RFCTL_CMD_RXTX) {
						j = 0;
						break;
					}
					udelay(10);
				}
				if (j)
					b43err(dev->wl,
						"intc override timeout\n");
				b43_phy_mask(dev, B43_NPHY_RFCTL_OVER,
						0xFFFE);
			}
			break;
		case 2:
			if (b43_current_band(dev->wl) == IEEE80211_BAND_5GHZ) {
				tmp = 0x0020;
				val = value << 5;
			} else {
				tmp = 0x0010;
				val = value << 4;
			}
			b43_phy_maskset(dev, reg, ~tmp, val);
			break;
		case 3:
			if (b43_current_band(dev->wl) == IEEE80211_BAND_5GHZ) {
				tmp = 0x0001;
				val = value;
			} else {
				tmp = 0x0004;
				val = value << 2;
			}
			b43_phy_maskset(dev, reg, ~tmp, val);
			break;
		case 4:
			if (b43_current_band(dev->wl) == IEEE80211_BAND_5GHZ) {
				tmp = 0x0002;
				val = value << 1;
			} else {
				tmp = 0x0008;
				val = value << 3;
			}
			b43_phy_maskset(dev, reg, ~tmp, val);
			break;
		}
	}
}

/**************************************************
 * Various PHY ops
 **************************************************/

/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/clip-detection */
static void b43_nphy_write_clip_detection(struct b43_wldev *dev,
					  const u16 *clip_st)
{
	b43_phy_write(dev, B43_NPHY_C1_CLIP1THRES, clip_st[0]);
	b43_phy_write(dev, B43_NPHY_C2_CLIP1THRES, clip_st[1]);
}

/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/clip-detection */
static void b43_nphy_read_clip_detection(struct b43_wldev *dev, u16 *clip_st)
{
	clip_st[0] = b43_phy_read(dev, B43_NPHY_C1_CLIP1THRES);
	clip_st[1] = b43_phy_read(dev, B43_NPHY_C2_CLIP1THRES);
}

/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/classifier */
static u16 b43_nphy_classifier(struct b43_wldev *dev, u16 mask, u16 val)
{
	u16 tmp;

	if (dev->dev->core_rev == 16)
		b43_mac_suspend(dev);

	tmp = b43_phy_read(dev, B43_NPHY_CLASSCTL);
	tmp &= (B43_NPHY_CLASSCTL_CCKEN | B43_NPHY_CLASSCTL_OFDMEN |
		B43_NPHY_CLASSCTL_WAITEDEN);
	tmp &= ~mask;
	tmp |= (val & mask);
	b43_phy_maskset(dev, B43_NPHY_CLASSCTL, 0xFFF8, tmp);

	if (dev->dev->core_rev == 16)
		b43_mac_enable(dev);

	return tmp;
}

/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/CCA */
static void b43_nphy_reset_cca(struct b43_wldev *dev)
{
	u16 bbcfg;

	b43_phy_force_clock(dev, 1);
	bbcfg = b43_phy_read(dev, B43_NPHY_BBCFG);
	b43_phy_write(dev, B43_NPHY_BBCFG, bbcfg | B43_NPHY_BBCFG_RSTCCA);
	udelay(1);
	b43_phy_write(dev, B43_NPHY_BBCFG, bbcfg & ~B43_NPHY_BBCFG_RSTCCA);
	b43_phy_force_clock(dev, 0);
	b43_nphy_force_rf_sequence(dev, B43_RFSEQ_RESET2RX);
}

/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/carriersearch */
static void b43_nphy_stay_in_carrier_search(struct b43_wldev *dev, bool enable)
{
	struct b43_phy *phy = &dev->phy;
	struct b43_phy_n *nphy = phy->n;

	if (enable) {
		static const u16 clip[] = { 0xFFFF, 0xFFFF };
		if (nphy->deaf_count++ == 0) {
			nphy->classifier_state = b43_nphy_classifier(dev, 0, 0);
			b43_nphy_classifier(dev, 0x7, 0);
			b43_nphy_read_clip_detection(dev, nphy->clip_state);
			b43_nphy_write_clip_detection(dev, clip);
		}
		b43_nphy_reset_cca(dev);
	} else {
		if (--nphy->deaf_count == 0) {
			b43_nphy_classifier(dev, 0x7, nphy->classifier_state);
			b43_nphy_write_clip_detection(dev, nphy->clip_state);
		}
	}
}

/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/SetRfSeq */
static void b43_nphy_set_rf_sequence(struct b43_wldev *dev, u8 cmd,
					u8 *events, u8 *delays, u8 length)
{
	struct b43_phy_n *nphy = dev->phy.n;
	u8 i;
	u8 end = (dev->phy.rev >= 3) ? 0x1F : 0x0F;
	u16 offset1 = cmd << 4;
	u16 offset2 = offset1 + 0x80;

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

	b43_ntab_write_bulk(dev, B43_NTAB8(7, offset1), length, events);
	b43_ntab_write_bulk(dev, B43_NTAB8(7, offset2), length, delays);

	for (i = length; i < 16; i++) {
		b43_ntab_write(dev, B43_NTAB8(7, offset1 + i), end);
		b43_ntab_write(dev, B43_NTAB8(7, offset2 + i), 1);
	}

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

/**************************************************
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 * Radio 0x2056
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 **************************************************/

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static void b43_chantab_radio_2056_upload(struct b43_wldev *dev,
				const struct b43_nphy_channeltab_entry_rev3 *e)
{
	b43_radio_write(dev, B2056_SYN_PLL_VCOCAL1, e->radio_syn_pll_vcocal1);
	b43_radio_write(dev, B2056_SYN_PLL_VCOCAL2, e->radio_syn_pll_vcocal2);
	b43_radio_write(dev, B2056_SYN_PLL_REFDIV, e->radio_syn_pll_refdiv);
	b43_radio_write(dev, B2056_SYN_PLL_MMD2, e->radio_syn_pll_mmd2);
	b43_radio_write(dev, B2056_SYN_PLL_MMD1, e->radio_syn_pll_mmd1);
	b43_radio_write(dev, B2056_SYN_PLL_LOOPFILTER1,
					e->radio_syn_pll_loopfilter1);
	b43_radio_write(dev, B2056_SYN_PLL_LOOPFILTER2,
					e->radio_syn_pll_loopfilter2);
	b43_radio_write(dev, B2056_SYN_PLL_LOOPFILTER3,
					e->radio_syn_pll_loopfilter3);
	b43_radio_write(dev, B2056_SYN_PLL_LOOPFILTER4,
					e->radio_syn_pll_loopfilter4);
	b43_radio_write(dev, B2056_SYN_PLL_LOOPFILTER5,
					e->radio_syn_pll_loopfilter5);
	b43_radio_write(dev, B2056_SYN_RESERVED_ADDR27,
					e->radio_syn_reserved_addr27);
	b43_radio_write(dev, B2056_SYN_RESERVED_ADDR28,
					e->radio_syn_reserved_addr28);
	b43_radio_write(dev, B2056_SYN_RESERVED_ADDR29,
					e->radio_syn_reserved_addr29);
	b43_radio_write(dev, B2056_SYN_LOGEN_VCOBUF1,
					e->radio_syn_logen_vcobuf1);
	b43_radio_write(dev, B2056_SYN_LOGEN_MIXER2, e->radio_syn_logen_mixer2);
	b43_radio_write(dev, B2056_SYN_LOGEN_BUF3, e->radio_syn_logen_buf3);
	b43_radio_write(dev, B2056_SYN_LOGEN_BUF4, e->radio_syn_logen_buf4);

	b43_radio_write(dev, B2056_RX0 | B2056_RX_LNAA_TUNE,
					e->radio_rx0_lnaa_tune);
	b43_radio_write(dev, B2056_RX0 | B2056_RX_LNAG_TUNE,
					e->radio_rx0_lnag_tune);

	b43_radio_write(dev, B2056_TX0 | B2056_TX_INTPAA_BOOST_TUNE,
					e->radio_tx0_intpaa_boost_tune);
	b43_radio_write(dev, B2056_TX0 | B2056_TX_INTPAG_BOOST_TUNE,
					e->radio_tx0_intpag_boost_tune);
	b43_radio_write(dev, B2056_TX0 | B2056_TX_PADA_BOOST_TUNE,
					e->radio_tx0_pada_boost_tune);
	b43_radio_write(dev, B2056_TX0 | B2056_TX_PADG_BOOST_TUNE,
					e->radio_tx0_padg_boost_tune);
	b43_radio_write(dev, B2056_TX0 | B2056_TX_PGAA_BOOST_TUNE,
					e->radio_tx0_pgaa_boost_tune);
	b43_radio_write(dev, B2056_TX0 | B2056_TX_PGAG_BOOST_TUNE,
					e->radio_tx0_pgag_boost_tune);
	b43_radio_write(dev, B2056_TX0 | B2056_TX_MIXA_BOOST_TUNE,
					e->radio_tx0_mixa_boost_tune);
	b43_radio_write(dev, B2056_TX0 | B2056_TX_MIXG_BOOST_TUNE,
					e->radio_tx0_mixg_boost_tune);

	b43_radio_write(dev, B2056_RX1 | B2056_RX_LNAA_TUNE,
					e->radio_rx1_lnaa_tune);
	b43_radio_write(dev, B2056_RX1 | B2056_RX_LNAG_TUNE,
					e->radio_rx1_lnag_tune);

	b43_radio_write(dev, B2056_TX1 | B2056_TX_INTPAA_BOOST_TUNE,
					e->radio_tx1_intpaa_boost_tune);
	b43_radio_write(dev, B2056_TX1 | B2056_TX_INTPAG_BOOST_TUNE,
					e->radio_tx1_intpag_boost_tune);
	b43_radio_write(dev, B2056_TX1 | B2056_TX_PADA_BOOST_TUNE,
					e->radio_tx1_pada_boost_tune);
	b43_radio_write(dev, B2056_TX1 | B2056_TX_PADG_BOOST_TUNE,
					e->radio_tx1_padg_boost_tune);
	b43_radio_write(dev, B2056_TX1 | B2056_TX_PGAA_BOOST_TUNE,
					e->radio_tx1_pgaa_boost_tune);
	b43_radio_write(dev, B2056_TX1 | B2056_TX_PGAG_BOOST_TUNE,
					e->radio_tx1_pgag_boost_tune);
	b43_radio_write(dev, B2056_TX1 | B2056_TX_MIXA_BOOST_TUNE,
					e->radio_tx1_mixa_boost_tune);
	b43_radio_write(dev, B2056_TX1 | B2056_TX_MIXG_BOOST_TUNE,
					e->radio_tx1_mixg_boost_tune);
}

/* http://bcm-v4.sipsolutions.net/802.11/PHY/Radio/2056Setup */
static void b43_radio_2056_setup(struct b43_wldev *dev,
				const struct b43_nphy_channeltab_entry_rev3 *e)
{
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	struct ssb_sprom *sprom = dev->dev->bus_sprom;
	enum ieee80211_band band = b43_current_band(dev->wl);
	u16 offset;
	u8 i;
	u16 bias, cbias, pag_boost, pgag_boost, mixg_boost, padg_boost;

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	B43_WARN_ON(dev->phy.rev < 3);

	b43_chantab_radio_2056_upload(dev, e);
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	b2056_upload_syn_pll_cp2(dev, band == IEEE80211_BAND_5GHZ);

	if (sprom->boardflags2_lo & B43_BFL2_GPLL_WAR &&
	    b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ) {
		b43_radio_write(dev, B2056_SYN_PLL_LOOPFILTER1, 0x1F);
		b43_radio_write(dev, B2056_SYN_PLL_LOOPFILTER2, 0x1F);
		if (dev->dev->chip_id == 0x4716) {
			b43_radio_write(dev, B2056_SYN_PLL_LOOPFILTER4, 0x14);
			b43_radio_write(dev, B2056_SYN_PLL_CP2, 0);
		} else {
			b43_radio_write(dev, B2056_SYN_PLL_LOOPFILTER4, 0x0B);
			b43_radio_write(dev, B2056_SYN_PLL_CP2, 0x14);
		}
	}
	if (sprom->boardflags2_lo & B43_BFL2_APLL_WAR &&
	    b43_current_band(dev->wl) == IEEE80211_BAND_5GHZ) {
		b43_radio_write(dev, B2056_SYN_PLL_LOOPFILTER1, 0x1F);
		b43_radio_write(dev, B2056_SYN_PLL_LOOPFILTER2, 0x1F);
		b43_radio_write(dev, B2056_SYN_PLL_LOOPFILTER4, 0x05);
		b43_radio_write(dev, B2056_SYN_PLL_CP2, 0x0C);
	}

	if (dev->phy.n->ipa2g_on && band == IEEE80211_BAND_2GHZ) {
		for (i = 0; i < 2; i++) {
			offset = i ? B2056_TX1 : B2056_TX0;
			if (dev->phy.rev >= 5) {
				b43_radio_write(dev,
					offset | B2056_TX_PADG_IDAC, 0xcc);

				if (dev->dev->chip_id == 0x4716) {
					bias = 0x40;
					cbias = 0x45;
					pag_boost = 0x5;
					pgag_boost = 0x33;
					mixg_boost = 0x55;
				} else {
					bias = 0x25;
					cbias = 0x20;
					pag_boost = 0x4;
					pgag_boost = 0x03;
					mixg_boost = 0x65;
				}
				padg_boost = 0x77;

				b43_radio_write(dev,
					offset | B2056_TX_INTPAG_IMAIN_STAT,
					bias);
				b43_radio_write(dev,
					offset | B2056_TX_INTPAG_IAUX_STAT,
					bias);
				b43_radio_write(dev,
					offset | B2056_TX_INTPAG_CASCBIAS,
					cbias);
				b43_radio_write(dev,
					offset | B2056_TX_INTPAG_BOOST_TUNE,
					pag_boost);
				b43_radio_write(dev,
					offset | B2056_TX_PGAG_BOOST_TUNE,
					pgag_boost);
				b43_radio_write(dev,
					offset | B2056_TX_PADG_BOOST_TUNE,
					padg_boost);
				b43_radio_write(dev,
					offset | B2056_TX_MIXG_BOOST_TUNE,
					mixg_boost);
			} else {
				bias = dev->phy.is_40mhz ? 0x40 : 0x20;
				b43_radio_write(dev,
					offset | B2056_TX_INTPAG_IMAIN_STAT,
					bias);
				b43_radio_write(dev,
					offset | B2056_TX_INTPAG_IAUX_STAT,
					bias);
				b43_radio_write(dev,
					offset | B2056_TX_INTPAG_CASCBIAS,
					0x30);
			}
			b43_radio_write(dev, offset | B2056_TX_PA_SPARE1, 0xee);
		}
	} else if (dev->phy.n->ipa5g_on && band == IEEE80211_BAND_5GHZ) {
		/* TODO */
	}

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	udelay(50);
	/* VCO calibration */
	b43_radio_write(dev, B2056_SYN_PLL_VCOCAL12, 0x00);
	b43_radio_write(dev, B2056_TX_INTPAA_PA_MISC, 0x38);
	b43_radio_write(dev, B2056_TX_INTPAA_PA_MISC, 0x18);
	b43_radio_write(dev, B2056_TX_INTPAA_PA_MISC, 0x38);
	b43_radio_write(dev, B2056_TX_INTPAA_PA_MISC, 0x39);
	udelay(300);
}

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static void b43_radio_init2056_pre(struct b43_wldev *dev)
{
	b43_phy_mask(dev, B43_NPHY_RFCTL_CMD,
		     ~B43_NPHY_RFCTL_CMD_CHIP0PU);
	/* Maybe wl meant to reset and set (order?) RFCTL_CMD_OEPORFORCE? */
	b43_phy_mask(dev, B43_NPHY_RFCTL_CMD,
		     B43_NPHY_RFCTL_CMD_OEPORFORCE);
	b43_phy_set(dev, B43_NPHY_RFCTL_CMD,
		    ~B43_NPHY_RFCTL_CMD_OEPORFORCE);
	b43_phy_set(dev, B43_NPHY_RFCTL_CMD,
		    B43_NPHY_RFCTL_CMD_CHIP0PU);
}

static void b43_radio_init2056_post(struct b43_wldev *dev)
{
	b43_radio_set(dev, B2056_SYN_COM_CTRL, 0xB);
	b43_radio_set(dev, B2056_SYN_COM_PU, 0x2);
	b43_radio_set(dev, B2056_SYN_COM_RESET, 0x2);
	msleep(1);
	b43_radio_mask(dev, B2056_SYN_COM_RESET, ~0x2);
	b43_radio_mask(dev, B2056_SYN_PLL_MAST2, ~0xFC);
	b43_radio_mask(dev, B2056_SYN_RCCAL_CTRL0, ~0x1);
	/*
	if (nphy->init_por)
		Call Radio 2056 Recalibrate
	*/
}

/*
 * Initialize a Broadcom 2056 N-radio
 * http://bcm-v4.sipsolutions.net/802.11/Radio/2056/Init
 */
static void b43_radio_init2056(struct b43_wldev *dev)
{
	b43_radio_init2056_pre(dev);
	b2056_upload_inittabs(dev, 0, 0);
	b43_radio_init2056_post(dev);
}

/**************************************************
 * Radio 0x2055
 **************************************************/

static void b43_chantab_radio_upload(struct b43_wldev *dev,
				const struct b43_nphy_channeltab_entry_rev2 *e)
{
	b43_radio_write(dev, B2055_PLL_REF, e->radio_pll_ref);
	b43_radio_write(dev, B2055_RF_PLLMOD0, e->radio_rf_pllmod0);
	b43_radio_write(dev, B2055_RF_PLLMOD1, e->radio_rf_pllmod1);
	b43_radio_write(dev, B2055_VCO_CAPTAIL, e->radio_vco_captail);
	b43_read32(dev, B43_MMIO_MACCTL); /* flush writes */

	b43_radio_write(dev, B2055_VCO_CAL1, e->radio_vco_cal1);
	b43_radio_write(dev, B2055_VCO_CAL2, e->radio_vco_cal2);
	b43_radio_write(dev, B2055_PLL_LFC1, e->radio_pll_lfc1);
	b43_radio_write(dev, B2055_PLL_LFR1, e->radio_pll_lfr1);
	b43_read32(dev, B43_MMIO_MACCTL); /* flush writes */

	b43_radio_write(dev, B2055_PLL_LFC2, e->radio_pll_lfc2);
	b43_radio_write(dev, B2055_LGBUF_CENBUF, e->radio_lgbuf_cenbuf);
	b43_radio_write(dev, B2055_LGEN_TUNE1, e->radio_lgen_tune1);
	b43_radio_write(dev, B2055_LGEN_TUNE2, e->radio_lgen_tune2);
	b43_read32(dev, B43_MMIO_MACCTL); /* flush writes */

	b43_radio_write(dev, B2055_C1_LGBUF_ATUNE, e->radio_c1_lgbuf_atune);
	b43_radio_write(dev, B2055_C1_LGBUF_GTUNE, e->radio_c1_lgbuf_gtune);
	b43_radio_write(dev, B2055_C1_RX_RFR1, e->radio_c1_rx_rfr1);
	b43_radio_write(dev, B2055_C1_TX_PGAPADTN, e->radio_c1_tx_pgapadtn);
	b43_read32(dev, B43_MMIO_MACCTL); /* flush writes */

	b43_radio_write(dev, B2055_C1_TX_MXBGTRIM, e->radio_c1_tx_mxbgtrim);
	b43_radio_write(dev, B2055_C2_LGBUF_ATUNE, e->radio_c2_lgbuf_atune);
	b43_radio_write(dev, B2055_C2_LGBUF_GTUNE, e->radio_c2_lgbuf_gtune);
	b43_radio_write(dev, B2055_C2_RX_RFR1, e->radio_c2_rx_rfr1);
	b43_read32(dev, B43_MMIO_MACCTL); /* flush writes */

	b43_radio_write(dev, B2055_C2_TX_PGAPADTN, e->radio_c2_tx_pgapadtn);
	b43_radio_write(dev, B2055_C2_TX_MXBGTRIM, e->radio_c2_tx_mxbgtrim);
}

/* http://bcm-v4.sipsolutions.net/802.11/PHY/Radio/2055Setup */
static void b43_radio_2055_setup(struct b43_wldev *dev,
				const struct b43_nphy_channeltab_entry_rev2 *e)
{
	B43_WARN_ON(dev->phy.rev >= 3);

	b43_chantab_radio_upload(dev, e);
	udelay(50);
	b43_radio_write(dev, B2055_VCO_CAL10, 0x05);
	b43_radio_write(dev, B2055_VCO_CAL10, 0x45);
	b43_read32(dev, B43_MMIO_MACCTL); /* flush writes */
	b43_radio_write(dev, B2055_VCO_CAL10, 0x65);
	udelay(300);
}

static void b43_radio_init2055_pre(struct b43_wldev *dev)
{
	b43_phy_mask(dev, B43_NPHY_RFCTL_CMD,
		     ~B43_NPHY_RFCTL_CMD_PORFORCE);
	b43_phy_set(dev, B43_NPHY_RFCTL_CMD,
		    B43_NPHY_RFCTL_CMD_CHIP0PU |
		    B43_NPHY_RFCTL_CMD_OEPORFORCE);
	b43_phy_set(dev, B43_NPHY_RFCTL_CMD,
		    B43_NPHY_RFCTL_CMD_PORFORCE);
}

static void b43_radio_init2055_post(struct b43_wldev *dev)
{
	struct b43_phy_n *nphy = dev->phy.n;
	struct ssb_sprom *sprom = dev->dev->bus_sprom;
	int i;
	u16 val;
	bool workaround = false;

	if (sprom->revision < 4)
		workaround = (dev->dev->board_vendor != PCI_VENDOR_ID_BROADCOM
			      && dev->dev->board_type == 0x46D
			      && dev->dev->board_rev >= 0x41);
	else
		workaround =
			!(sprom->boardflags2_lo & B43_BFL2_RXBB_INT_REG_DIS);

	b43_radio_mask(dev, B2055_MASTER1, 0xFFF3);
	if (workaround) {
		b43_radio_mask(dev, B2055_C1_RX_BB_REG, 0x7F);
		b43_radio_mask(dev, B2055_C2_RX_BB_REG, 0x7F);
	}
	b43_radio_maskset(dev, B2055_RRCCAL_NOPTSEL, 0xFFC0, 0x2C);
	b43_radio_write(dev, B2055_CAL_MISC, 0x3C);
	b43_radio_mask(dev, B2055_CAL_MISC, 0xFFBE);
	b43_radio_set(dev, B2055_CAL_LPOCTL, 0x80);
	b43_radio_set(dev, B2055_CAL_MISC, 0x1);
	msleep(1);
	b43_radio_set(dev, B2055_CAL_MISC, 0x40);
	for (i = 0; i < 200; i++) {
		val = b43_radio_read(dev, B2055_CAL_COUT2);
		if (val & 0x80) {
			i = 0;
			break;
		}
		udelay(10);
	}
	if (i)
		b43err(dev->wl, "radio post init timeout\n");
	b43_radio_mask(dev, B2055_CAL_LPOCTL, 0xFF7F);
	b43_switch_channel(dev, dev->phy.channel);
	b43_radio_write(dev, B2055_C1_RX_BB_LPF, 0x9);
	b43_radio_write(dev, B2055_C2_RX_BB_LPF, 0x9);
	b43_radio_write(dev, B2055_C1_RX_BB_MIDACHP, 0x83);
	b43_radio_write(dev, B2055_C2_RX_BB_MIDACHP, 0x83);
	b43_radio_maskset(dev, B2055_C1_LNA_GAINBST, 0xFFF8, 0x6);
	b43_radio_maskset(dev, B2055_C2_LNA_GAINBST, 0xFFF8, 0x6);
	if (!nphy->gain_boost) {
		b43_radio_set(dev, B2055_C1_RX_RFSPC1, 0x2);
		b43_radio_set(dev, B2055_C2_RX_RFSPC1, 0x2);
	} else {
		b43_radio_mask(dev, B2055_C1_RX_RFSPC1, 0xFFFD);
		b43_radio_mask(dev, B2055_C2_RX_RFSPC1, 0xFFFD);
	}
	udelay(2);
}

/*
 * Initialize a Broadcom 2055 N-radio
 * http://bcm-v4.sipsolutions.net/802.11/Radio/2055/Init
 */
static void b43_radio_init2055(struct b43_wldev *dev)
{
	b43_radio_init2055_pre(dev);
	if (b43_status(dev) < B43_STAT_INITIALIZED) {
		/* Follow wl, not specs. Do not force uploading all regs */
		b2055_upload_inittab(dev, 0, 0);
	} else {
		bool ghz5 = b43_current_band(dev->wl) == IEEE80211_BAND_5GHZ;
		b2055_upload_inittab(dev, ghz5, 0);
	}
	b43_radio_init2055_post(dev);
}

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/**************************************************
 * Samples
 **************************************************/

/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/LoadSampleTable */
static int b43_nphy_load_samples(struct b43_wldev *dev,
					struct b43_c32 *samples, u16 len) {
	struct b43_phy_n *nphy = dev->phy.n;
	u16 i;
	u32 *data;

	data = kzalloc(len * sizeof(u32), GFP_KERNEL);
	if (!data) {
		b43err(dev->wl, "allocation for samples loading failed\n");
		return -ENOMEM;
	}
	if (nphy->hang_avoid)
		b43_nphy_stay_in_carrier_search(dev, 1);

	for (i = 0; i < len; i++) {
		data[i] = (samples[i].i & 0x3FF << 10);
		data[i] |= samples[i].q & 0x3FF;
	}
	b43_ntab_write_bulk(dev, B43_NTAB32(17, 0), len, data);

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

/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/GenLoadSamples */
static u16 b43_nphy_gen_load_samples(struct b43_wldev *dev, u32 freq, u16 max,
					bool test)
{
	int i;
	u16 bw, len, rot, angle;
	struct b43_c32 *samples;


	bw = (dev->phy.is_40mhz) ? 40 : 20;
	len = bw << 3;

	if (test) {
		if (b43_phy_read(dev, B43_NPHY_BBCFG) & B43_NPHY_BBCFG_RSTRX)
			bw = 82;
		else
			bw = 80;

		if (dev->phy.is_40mhz)
			bw <<= 1;

		len = bw << 1;
	}

	samples = kcalloc(len, sizeof(struct b43_c32), GFP_KERNEL);
	if (!samples) {
		b43err(dev->wl, "allocation for samples generation failed\n");
		return 0;
	}
	rot = (((freq * 36) / bw) << 16) / 100;
	angle = 0;

	for (i = 0; i < len; i++) {
		samples[i] = b43_cordic(angle);
		angle += rot;
		samples[i].q = CORDIC_CONVERT(samples[i].q * max);
		samples[i].i = CORDIC_CONVERT(samples[i].i * max);
	}

	i = b43_nphy_load_samples(dev, samples, len);
	kfree(samples);
	return (i < 0) ? 0 : len;
}

/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/RunSamples */
static void b43_nphy_run_samples(struct b43_wldev *dev, u16 samps, u16 loops,
					u16 wait, bool iqmode, bool dac_test)
{
	struct b43_phy_n *nphy = dev->phy.n;
	int i;
	u16 seq_mode;
	u32 tmp;

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

	if ((nphy->bb_mult_save & 0x80000000) == 0) {
		tmp = b43_ntab_read(dev, B43_NTAB16(15, 87));
		nphy->bb_mult_save = (tmp & 0xFFFF) | 0x80000000;
	}

	if (!dev->phy.is_40mhz)
		tmp = 0x6464;
	else
		tmp = 0x4747;
	b43_ntab_write(dev, B43_NTAB16(15, 87), tmp);

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

	b43_phy_write(dev, B43_NPHY_SAMP_DEPCNT, (samps - 1));

	if (loops != 0xFFFF)
		b43_phy_write(dev, B43_NPHY_SAMP_LOOPCNT, (loops - 1));
	else
		b43_phy_write(dev, B43_NPHY_SAMP_LOOPCNT, loops);

	b43_phy_write(dev, B43_NPHY_SAMP_WAITCNT, wait);

	seq_mode = b43_phy_read(dev, B43_NPHY_RFSEQMODE);

	b43_phy_set(dev, B43_NPHY_RFSEQMODE, B43_NPHY_RFSEQMODE_CAOVER);
	if (iqmode) {
		b43_phy_mask(dev, B43_NPHY_IQLOCAL_CMDGCTL, 0x7FFF);
		b43_phy_set(dev, B43_NPHY_IQLOCAL_CMDGCTL, 0x8000);
	} else {
		if (dac_test)
			b43_phy_write(dev, B43_NPHY_SAMP_CMD, 5);
		else
			b43_phy_write(dev, B43_NPHY_SAMP_CMD, 1);
	}
	for (i = 0; i < 100; i++) {
		if (b43_phy_read(dev, B43_NPHY_RFSEQST) & 1) {
			i = 0;
			break;
		}
		udelay(10);
	}
	if (i)
		b43err(dev->wl, "run samples timeout\n");

	b43_phy_write(dev, B43_NPHY_RFSEQMODE, seq_mode);
}

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/**************************************************
 * RSSI
 **************************************************/

/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/ScaleOffsetRssi */
static void b43_nphy_scale_offset_rssi(struct b43_wldev *dev, u16 scale,
					s8 offset, u8 core, u8 rail,
					enum b43_nphy_rssi_type type)
{
	u16 tmp;
	bool core1or5 = (core == 1) || (core == 5);
	bool core2or5 = (core == 2) || (core == 5);

	offset = clamp_val(offset, -32, 31);
	tmp = ((scale & 0x3F) << 8) | (offset & 0x3F);

	if (core1or5 && (rail == 0) && (type == B43_NPHY_RSSI_Z))
		b43_phy_write(dev, B43_NPHY_RSSIMC_0I_RSSI_Z, tmp);
	if (core1or5 && (rail == 1) && (type == B43_NPHY_RSSI_Z))
		b43_phy_write(dev, B43_NPHY_RSSIMC_0Q_RSSI_Z, tmp);
	if (core2or5 && (rail == 0) && (type == B43_NPHY_RSSI_Z))
		b43_phy_write(dev, B43_NPHY_RSSIMC_1I_RSSI_Z, tmp);
	if (core2or5 && (rail == 1) && (type == B43_NPHY_RSSI_Z))
		b43_phy_write(dev, B43_NPHY_RSSIMC_1Q_RSSI_Z, tmp);

	if (core1or5 && (rail == 0) && (type == B43_NPHY_RSSI_X))
		b43_phy_write(dev, B43_NPHY_RSSIMC_0I_RSSI_X, tmp);
	if (core1or5 && (rail == 1) && (type == B43_NPHY_RSSI_X))
		b43_phy_write(dev, B43_NPHY_RSSIMC_0Q_RSSI_X, tmp);
	if (core2or5 && (rail == 0) && (type == B43_NPHY_RSSI_X))
		b43_phy_write(dev, B43_NPHY_RSSIMC_1I_RSSI_X, tmp);
	if (core2or5 && (rail == 1) && (type == B43_NPHY_RSSI_X))
		b43_phy_write(dev, B43_NPHY_RSSIMC_1Q_RSSI_X, tmp);

	if (core1or5 && (rail == 0) && (type == B43_NPHY_RSSI_Y))
		b43_phy_write(dev, B43_NPHY_RSSIMC_0I_RSSI_Y, tmp);
	if (core1or5 && (rail == 1) && (type == B43_NPHY_RSSI_Y))
		b43_phy_write(dev, B43_NPHY_RSSIMC_0Q_RSSI_Y, tmp);
	if (core2or5 && (rail == 0) && (type == B43_NPHY_RSSI_Y))
		b43_phy_write(dev, B43_NPHY_RSSIMC_1I_RSSI_Y, tmp);
	if (core2or5 && (rail == 1) && (type == B43_NPHY_RSSI_Y))
		b43_phy_write(dev, B43_NPHY_RSSIMC_1Q_RSSI_Y, tmp);

	if (core1or5 && (rail == 0) && (type == B43_NPHY_RSSI_TBD))
		b43_phy_write(dev, B43_NPHY_RSSIMC_0I_TBD, tmp);
	if (core1or5 && (rail == 1) && (type == B43_NPHY_RSSI_TBD))
		b43_phy_write(dev, B43_NPHY_RSSIMC_0Q_TBD, tmp);
	if (core2or5 && (rail == 0) && (type == B43_NPHY_RSSI_TBD))
		b43_phy_write(dev, B43_NPHY_RSSIMC_1I_TBD, tmp);
	if (core2or5 && (rail == 1) && (type == B43_NPHY_RSSI_TBD))
		b43_phy_write(dev, B43_NPHY_RSSIMC_1Q_TBD, tmp);

	if (core1or5 && (rail == 0) && (type == B43_NPHY_RSSI_PWRDET))
		b43_phy_write(dev, B43_NPHY_RSSIMC_0I_PWRDET, tmp);
	if (core1or5 && (rail == 1) && (type == B43_NPHY_RSSI_PWRDET))
		b43_phy_write(dev, B43_NPHY_RSSIMC_0Q_PWRDET, tmp);
	if (core2or5 && (rail == 0) && (type == B43_NPHY_RSSI_PWRDET))
		b43_phy_write(dev, B43_NPHY_RSSIMC_1I_PWRDET, tmp);
	if (core2or5 && (rail == 1) && (type == B43_NPHY_RSSI_PWRDET))
		b43_phy_write(dev, B43_NPHY_RSSIMC_1Q_PWRDET, tmp);

	if (core1or5 && (type == B43_NPHY_RSSI_TSSI_I))
		b43_phy_write(dev, B43_NPHY_RSSIMC_0I_TSSI, tmp);
	if (core2or5 && (type == B43_NPHY_RSSI_TSSI_I))
		b43_phy_write(dev, B43_NPHY_RSSIMC_1I_TSSI, tmp);

	if (core1or5 && (type == B43_NPHY_RSSI_TSSI_Q))
		b43_phy_write(dev, B43_NPHY_RSSIMC_0Q_TSSI, tmp);
	if (core2or5 && (type == B43_NPHY_RSSI_TSSI_Q))
		b43_phy_write(dev, B43_NPHY_RSSIMC_1Q_TSSI, tmp);
}

static void b43_nphy_rev3_rssi_select(struct b43_wldev *dev, u8 code, u8 type)
{
	u8 i;
	u16 reg, val;

	if (code == 0) {
		b43_phy_mask(dev, B43_NPHY_AFECTL_OVER1, 0xFDFF);
		b43_phy_mask(dev, B43_NPHY_AFECTL_OVER, 0xFDFF);
		b43_phy_mask(dev, B43_NPHY_AFECTL_C1, 0xFCFF);
		b43_phy_mask(dev, B43_NPHY_AFECTL_C2, 0xFCFF);
		b43_phy_mask(dev, B43_NPHY_TXF_40CO_B1S0, 0xFFDF);
		b43_phy_mask(dev, B43_NPHY_TXF_40CO_B32S1, 0xFFDF);
		b43_phy_mask(dev, B43_NPHY_RFCTL_LUT_TRSW_UP1, 0xFFC3);
		b43_phy_mask(dev, B43_NPHY_RFCTL_LUT_TRSW_UP2, 0xFFC3);
	} else {
		for (i = 0; i < 2; i++) {
			if ((code == 1 && i == 1) || (code == 2 && !i))
				continue;

			reg = (i == 0) ?
				B43_NPHY_AFECTL_OVER1 : B43_NPHY_AFECTL_OVER;
			b43_phy_maskset(dev, reg, 0xFDFF, 0x0200);

			if (type < 3) {
				reg = (i == 0) ?
					B43_NPHY_AFECTL_C1 :
					B43_NPHY_AFECTL_C2;
				b43_phy_maskset(dev, reg, 0xFCFF, 0);

				reg = (i == 0) ?
					B43_NPHY_RFCTL_LUT_TRSW_UP1 :
					B43_NPHY_RFCTL_LUT_TRSW_UP2;
				b43_phy_maskset(dev, reg, 0xFFC3, 0);

				if (type == 0)
					val = (b43_current_band(dev->wl) == IEEE80211_BAND_5GHZ) ? 4 : 8;
				else if (type == 1)
					val = 16;
				else
					val = 32;
				b43_phy_set(dev, reg, val);

				reg = (i == 0) ?
					B43_NPHY_TXF_40CO_B1S0 :
					B43_NPHY_TXF_40CO_B32S1;
				b43_phy_set(dev, reg, 0x0020);
			} else {
				if (type == 6)
					val = 0x0100;
				else if (type == 3)
					val = 0x0200;
				else
					val = 0x0300;

				reg = (i == 0) ?
					B43_NPHY_AFECTL_C1 :
					B43_NPHY_AFECTL_C2;

				b43_phy_maskset(dev, reg, 0xFCFF, val);
				b43_phy_maskset(dev, reg, 0xF3FF, val << 2);

				if (type != 3 && type != 6) {
					enum ieee80211_band band =
						b43_current_band(dev->wl);

					if (b43_nphy_ipa(dev))
						val = (band == IEEE80211_BAND_5GHZ) ? 0xC : 0xE;
					else
						val = 0x11;
					reg = (i == 0) ? 0x2000 : 0x3000;
					reg |= B2055_PADDRV;
					b43_radio_write16(dev, reg, val);

					reg = (i == 0) ?
						B43_NPHY_AFECTL_OVER1 :
						B43_NPHY_AFECTL_OVER;
					b43_phy_set(dev, reg, 0x0200);
				}
			}
		}
	}
}

static void b43_nphy_rev2_rssi_select(struct b43_wldev *dev, u8 code, u8 type)
{
	u16 val;

	if (type < 3)
		val = 0;
	else if (type == 6)
		val = 1;
	else if (type == 3)
		val = 2;
	else
		val = 3;

	val = (val << 12) | (val << 14);
	b43_phy_maskset(dev, B43_NPHY_AFECTL_C1, 0x0FFF, val);
	b43_phy_maskset(dev, B43_NPHY_AFECTL_C2, 0x0FFF, val);

	if (type < 3) {
		b43_phy_maskset(dev, B43_NPHY_RFCTL_RSSIO1, 0xFFCF,
				(type + 1) << 4);
		b43_phy_maskset(dev, B43_NPHY_RFCTL_RSSIO2, 0xFFCF,
				(type + 1) << 4);
	}

	if (code == 0) {
		b43_phy_mask(dev, B43_NPHY_AFECTL_OVER, ~0x3000);
		if (type < 3) {
			b43_phy_mask(dev, B43_NPHY_RFCTL_CMD,
				~(B43_NPHY_RFCTL_CMD_RXEN |
				  B43_NPHY_RFCTL_CMD_CORESEL));
			b43_phy_mask(dev, B43_NPHY_RFCTL_OVER,
				~(0x1 << 12 |
				  0x1 << 5 |
				  0x1 << 1 |
				  0x1));
			b43_phy_mask(dev, B43_NPHY_RFCTL_CMD,
				~B43_NPHY_RFCTL_CMD_START);
			udelay(20);
			b43_phy_mask(dev, B43_NPHY_RFCTL_OVER, ~0x1);
		}
	} else {
		b43_phy_set(dev, B43_NPHY_AFECTL_OVER, 0x3000);
		if (type < 3) {
			b43_phy_maskset(dev, B43_NPHY_RFCTL_CMD,
				~(B43_NPHY_RFCTL_CMD_RXEN |
				  B43_NPHY_RFCTL_CMD_CORESEL),
				(B43_NPHY_RFCTL_CMD_RXEN |
				 code << B43_NPHY_RFCTL_CMD_CORESEL_SHIFT));
			b43_phy_set(dev, B43_NPHY_RFCTL_OVER,
				(0x1 << 12 |
				  0x1 << 5 |
				  0x1 << 1 |
				  0x1));
			b43_phy_set(dev, B43_NPHY_RFCTL_CMD,
				B43_NPHY_RFCTL_CMD_START);
			udelay(20);
			b43_phy_mask(dev, B43_NPHY_RFCTL_OVER, ~0x1);
		}
	}
}

/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/RSSISel */
static void b43_nphy_rssi_select(struct b43_wldev *dev, u8 code, u8 type)
{
	if (dev->phy.rev >= 3)
		b43_nphy_rev3_rssi_select(dev, code, type);
	else
		b43_nphy_rev2_rssi_select(dev, code, type);
}

1140 1141 1142 1143 1144 1145 1146 1147 1148 1149 1150 1151 1152 1153 1154 1155 1156 1157
/**************************************************
 * Others
 **************************************************/

void b43_nphy_set_rxantenna(struct b43_wldev *dev, int antenna)
{//TODO
}

static void b43_nphy_op_adjust_txpower(struct b43_wldev *dev)
{//TODO
}

static enum b43_txpwr_result b43_nphy_op_recalc_txpower(struct b43_wldev *dev,
							bool ignore_tssi)
{//TODO
	return B43_TXPWR_RES_DONE;
}

1158
static void b43_chantab_phy_upload(struct b43_wldev *dev,
1159
				   const struct b43_phy_n_sfo_cfg *e)
1160 1161 1162 1163 1164 1165 1166 1167 1168
{
	b43_phy_write(dev, B43_NPHY_BW1A, e->phy_bw1a);
	b43_phy_write(dev, B43_NPHY_BW2, e->phy_bw2);
	b43_phy_write(dev, B43_NPHY_BW3, e->phy_bw3);
	b43_phy_write(dev, B43_NPHY_BW4, e->phy_bw4);
	b43_phy_write(dev, B43_NPHY_BW5, e->phy_bw5);
	b43_phy_write(dev, B43_NPHY_BW6, e->phy_bw6);
}

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/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/TxPwrCtrlEnable */
static void b43_nphy_tx_power_ctrl(struct b43_wldev *dev, bool enable)
{
	struct b43_phy_n *nphy = dev->phy.n;
	u8 i;
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	u16 bmask, val, tmp;
	enum ieee80211_band band = b43_current_band(dev->wl);
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	if (nphy->hang_avoid)
		b43_nphy_stay_in_carrier_search(dev, 1);

	nphy->txpwrctrl = enable;
	if (!enable) {
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		if (dev->phy.rev >= 3 &&
		    (b43_phy_read(dev, B43_NPHY_TXPCTL_CMD) &
		     (B43_NPHY_TXPCTL_CMD_COEFF |
		      B43_NPHY_TXPCTL_CMD_HWPCTLEN |
		      B43_NPHY_TXPCTL_CMD_PCTLEN))) {
			/* We disable enabled TX pwr ctl, save it's state */
			nphy->tx_pwr_idx[0] = b43_phy_read(dev,
						B43_NPHY_C1_TXPCTL_STAT) & 0x7f;
			nphy->tx_pwr_idx[1] = b43_phy_read(dev,
						B43_NPHY_C2_TXPCTL_STAT) & 0x7f;
		}
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		b43_phy_write(dev, B43_NPHY_TABLE_ADDR, 0x6840);
		for (i = 0; i < 84; i++)
			b43_phy_write(dev, B43_NPHY_TABLE_DATALO, 0);

		b43_phy_write(dev, B43_NPHY_TABLE_ADDR, 0x6C40);
		for (i = 0; i < 84; i++)
			b43_phy_write(dev, B43_NPHY_TABLE_DATALO, 0);

		tmp = B43_NPHY_TXPCTL_CMD_COEFF | B43_NPHY_TXPCTL_CMD_HWPCTLEN;
		if (dev->phy.rev >= 3)
			tmp |= B43_NPHY_TXPCTL_CMD_PCTLEN;
		b43_phy_mask(dev, B43_NPHY_TXPCTL_CMD, ~tmp);

		if (dev->phy.rev >= 3) {
			b43_phy_set(dev, B43_NPHY_AFECTL_OVER1, 0x0100);
			b43_phy_set(dev, B43_NPHY_AFECTL_OVER, 0x0100);
		} else {
			b43_phy_set(dev, B43_NPHY_AFECTL_OVER, 0x4000);
		}

		if (dev->phy.rev == 2)
			b43_phy_maskset(dev, B43_NPHY_BPHY_CTL3,
				~B43_NPHY_BPHY_CTL3_SCALE, 0x53);
		else if (dev->phy.rev < 2)
			b43_phy_maskset(dev, B43_NPHY_BPHY_CTL3,
				~B43_NPHY_BPHY_CTL3_SCALE, 0x5A);

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		if (dev->phy.rev < 2 && dev->phy.is_40mhz)
			b43_hf_write(dev, b43_hf_read(dev) | B43_HF_TSSIRPSMW);
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	} else {
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		b43_ntab_write_bulk(dev, B43_NTAB16(26, 64), 84,
				    nphy->adj_pwr_tbl);
		b43_ntab_write_bulk(dev, B43_NTAB16(27, 64), 84,
				    nphy->adj_pwr_tbl);

		bmask = B43_NPHY_TXPCTL_CMD_COEFF |
			B43_NPHY_TXPCTL_CMD_HWPCTLEN;
		/* wl does useless check for "enable" param here */
		val = B43_NPHY_TXPCTL_CMD_COEFF | B43_NPHY_TXPCTL_CMD_HWPCTLEN;
		if (dev->phy.rev >= 3) {
			bmask |= B43_NPHY_TXPCTL_CMD_PCTLEN;
			if (val)
				val |= B43_NPHY_TXPCTL_CMD_PCTLEN;
		}
		b43_phy_maskset(dev, B43_NPHY_TXPCTL_CMD, ~(bmask), val);

		if (band == IEEE80211_BAND_5GHZ) {
			b43_phy_maskset(dev, B43_NPHY_TXPCTL_CMD,
					~B43_NPHY_TXPCTL_CMD_INIT, 0x64);
			if (dev->phy.rev > 1)
				b43_phy_maskset(dev, B43_NPHY_TXPCTL_INIT,
						~B43_NPHY_TXPCTL_INIT_PIDXI1,
						0x64);
		}

		if (dev->phy.rev >= 3) {
			if (nphy->tx_pwr_idx[0] != 128 &&
			    nphy->tx_pwr_idx[1] != 128) {
				/* Recover TX pwr ctl state */
				b43_phy_maskset(dev, B43_NPHY_TXPCTL_CMD,
						~B43_NPHY_TXPCTL_CMD_INIT,
						nphy->tx_pwr_idx[0]);
				if (dev->phy.rev > 1)
					b43_phy_maskset(dev,
						B43_NPHY_TXPCTL_INIT,
						~0xff, nphy->tx_pwr_idx[1]);
			}
		}

		if (dev->phy.rev >= 3) {
			b43_phy_mask(dev, B43_NPHY_AFECTL_OVER1, ~0x100);
			b43_phy_mask(dev, B43_NPHY_AFECTL_OVER, ~0x100);
		} else {
			b43_phy_mask(dev, B43_NPHY_AFECTL_OVER, ~0x4000);
		}

		if (dev->phy.rev == 2)
			b43_phy_maskset(dev, B43_NPHY_BPHY_CTL3, ~0xFF, 0x3b);
		else if (dev->phy.rev < 2)
			b43_phy_maskset(dev, B43_NPHY_BPHY_CTL3, ~0xFF, 0x40);

		if (dev->phy.rev < 2 && dev->phy.is_40mhz)
			b43_hf_write(dev, b43_hf_read(dev) & ~B43_HF_TSSIRPSMW);

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		if (b43_nphy_ipa(dev)) {
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			b43_phy_mask(dev, B43_NPHY_PAPD_EN0, ~0x4);
			b43_phy_mask(dev, B43_NPHY_PAPD_EN1, ~0x4);
		}
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	}

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

/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/TxPwrFix */
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static void b43_nphy_tx_power_fix(struct b43_wldev *dev)
{
1291
	struct b43_phy_n *nphy = dev->phy.n;
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	struct ssb_sprom *sprom = dev->dev->bus_sprom;
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	u8 txpi[2], bbmult, i;
	u16 tmp, radio_gain, dac_gain;
	u16 freq = dev->phy.channel_freq;
	u32 txgain;
	/* u32 gaintbl; rev3+ */

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

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	if (dev->phy.rev >= 7) {
		txpi[0] = txpi[1] = 30;
	} else if (dev->phy.rev >= 3) {
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		txpi[0] = 40;
		txpi[1] = 40;
	} else if (sprom->revision < 4) {
		txpi[0] = 72;
		txpi[1] = 72;
	} else {
		if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ) {
			txpi[0] = sprom->txpid2g[0];
			txpi[1] = sprom->txpid2g[1];
		} else if (freq >= 4900 && freq < 5100) {
			txpi[0] = sprom->txpid5gl[0];
			txpi[1] = sprom->txpid5gl[1];
		} else if (freq >= 5100 && freq < 5500) {
			txpi[0] = sprom->txpid5g[0];
			txpi[1] = sprom->txpid5g[1];
		} else if (freq >= 5500) {
			txpi[0] = sprom->txpid5gh[0];
			txpi[1] = sprom->txpid5gh[1];
		} else {
			txpi[0] = 91;
			txpi[1] = 91;
		}
	}
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	if (dev->phy.rev < 7 &&
	    (txpi[0] < 40 || txpi[0] > 100 || txpi[1] < 40 || txpi[1] > 10))
		txpi[0] = txpi[1] = 91;
1332 1333 1334 1335 1336 1337 1338 1339 1340 1341

	/*
	for (i = 0; i < 2; i++) {
		nphy->txpwrindex[i].index_internal = txpi[i];
		nphy->txpwrindex[i].index_internal_save = txpi[i];
	}
	*/

	for (i = 0; i < 2; i++) {
		if (dev->phy.rev >= 3) {
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			if (b43_nphy_ipa(dev)) {
				txgain = *(b43_nphy_get_ipa_gain_table(dev) +
						txpi[i]);
			} else if (b43_current_band(dev->wl) ==
				   IEEE80211_BAND_5GHZ) {
				/* FIXME: use 5GHz tables */
				txgain =
					b43_ntab_tx_gain_rev3plus_2ghz[txpi[i]];
			} else {
				if (dev->phy.rev >= 5 &&
				    sprom->fem.ghz5.extpa_gain == 3)
					; /* FIXME: 5GHz_txgain_HiPwrEPA */
				txgain =
					b43_ntab_tx_gain_rev3plus_2ghz[txpi[i]];
			}
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			radio_gain = (txgain >> 16) & 0x1FFFF;
		} else {
			txgain = b43_ntab_tx_gain_rev0_1_2[txpi[i]];
			radio_gain = (txgain >> 16) & 0x1FFF;
		}

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		if (dev->phy.rev >= 7)
			dac_gain = (txgain >> 8) & 0x7;
		else
			dac_gain = (txgain >> 8) & 0x3F;
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		bbmult = txgain & 0xFF;

		if (dev->phy.rev >= 3) {
			if (i == 0)
				b43_phy_set(dev, B43_NPHY_AFECTL_OVER1, 0x0100);
			else
				b43_phy_set(dev, B43_NPHY_AFECTL_OVER, 0x0100);
		} else {
			b43_phy_set(dev, B43_NPHY_AFECTL_OVER, 0x4000);
		}

		if (i == 0)
			b43_phy_write(dev, B43_NPHY_AFECTL_DACGAIN1, dac_gain);
		else
			b43_phy_write(dev, B43_NPHY_AFECTL_DACGAIN2, dac_gain);

1383
		b43_ntab_write(dev, B43_NTAB16(0x7, 0x110 + i), radio_gain);
1384

1385
		tmp = b43_ntab_read(dev, B43_NTAB16(0xF, 0x57));
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		if (i == 0)
			tmp = (tmp & 0x00FF) | (bbmult << 8);
		else
			tmp = (tmp & 0xFF00) | bbmult;
1390
		b43_ntab_write(dev, B43_NTAB16(0xF, 0x57), tmp);
1391

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		if (b43_nphy_ipa(dev)) {
			u32 tmp32;
			u16 reg = (i == 0) ?
				B43_NPHY_PAPD_EN0 : B43_NPHY_PAPD_EN1;
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			tmp32 = b43_ntab_read(dev, B43_NTAB32(26 + i,
							      576 + txpi[i]));
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			b43_phy_maskset(dev, reg, 0xE00F, (u32) tmp32 << 4);
			b43_phy_set(dev, reg, 0x4);
		}
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	}

	b43_phy_mask(dev, B43_NPHY_BPHY_CTL2, ~B43_NPHY_BPHY_CTL2_LUT);

	if (nphy->hang_avoid)
		b43_nphy_stay_in_carrier_search(dev, 0);
1407 1408
}

1409 1410 1411 1412 1413 1414 1415 1416 1417 1418 1419 1420 1421 1422 1423 1424 1425 1426 1427 1428 1429 1430 1431 1432 1433 1434 1435 1436 1437 1438 1439 1440 1441 1442 1443 1444 1445 1446 1447 1448 1449 1450 1451 1452 1453 1454 1455 1456 1457 1458 1459
static void b43_nphy_tx_gain_table_upload(struct b43_wldev *dev)
{
	struct b43_phy *phy = &dev->phy;

	const u32 *table = NULL;
#if 0
	TODO: b43_ntab_papd_pga_gain_delta_ipa_2*
	u32 rfpwr_offset;
	u8 pga_gain;
	int i;
#endif

	if (phy->rev >= 3) {
		if (b43_nphy_ipa(dev)) {
			table = b43_nphy_get_ipa_gain_table(dev);
		} else {
			if (b43_current_band(dev->wl) == IEEE80211_BAND_5GHZ) {
				if (phy->rev == 3)
					table = b43_ntab_tx_gain_rev3_5ghz;
				if (phy->rev == 4)
					table = b43_ntab_tx_gain_rev4_5ghz;
				else
					table = b43_ntab_tx_gain_rev5plus_5ghz;
			} else {
				table = b43_ntab_tx_gain_rev3plus_2ghz;
			}
		}
	} else {
		table = b43_ntab_tx_gain_rev0_1_2;
	}
	b43_ntab_write_bulk(dev, B43_NTAB32(26, 192), 128, table);
	b43_ntab_write_bulk(dev, B43_NTAB32(27, 192), 128, table);

	if (phy->rev >= 3) {
#if 0
		nphy->gmval = (table[0] >> 16) & 0x7000;

		for (i = 0; i < 128; i++) {
			pga_gain = (table[i] >> 24) & 0xF;
			if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ)
				rfpwr_offset = b43_ntab_papd_pga_gain_delta_ipa_2g[pga_gain];
			else
				rfpwr_offset = b43_ntab_papd_pga_gain_delta_ipa_5g[pga_gain];
			b43_ntab_write(dev, B43_NTAB32(26, 576 + i),
				       rfpwr_offset);
			b43_ntab_write(dev, B43_NTAB32(27, 576 + i),
				       rfpwr_offset);
		}
#endif
	}
}
1460

1461 1462 1463 1464
/*
 * Upload the N-PHY tables.
 * http://bcm-v4.sipsolutions.net/802.11/PHY/N/InitTables
 */
M
Michael Buesch 已提交
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static void b43_nphy_tables_init(struct b43_wldev *dev)
{
1467 1468 1469 1470
	if (dev->phy.rev < 3)
		b43_nphy_rev0_1_2_tables_init(dev);
	else
		b43_nphy_rev3plus_tables_init(dev);
M
Michael Buesch 已提交
1471 1472
}

1473 1474 1475 1476 1477 1478 1479 1480 1481 1482 1483 1484 1485 1486 1487 1488 1489 1490 1491 1492 1493 1494 1495 1496 1497 1498 1499 1500 1501 1502 1503 1504 1505 1506
/* 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);
	}
}

1507 1508 1509 1510 1511 1512
/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/TxLpFbw */
static void b43_nphy_tx_lp_fbw(struct b43_wldev *dev)
{
	u16 tmp;

	if (dev->phy.rev >= 3) {
1513
		if (b43_nphy_ipa(dev)) {
1514 1515 1516 1517 1518 1519 1520 1521 1522 1523 1524
			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);
	}
}

1525 1526 1527 1528 1529 1530 1531 1532 1533 1534 1535 1536 1537 1538
/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/MIMOConfig */
static void b43_nphy_update_mimo_config(struct b43_wldev *dev, s32 preamble)
{
	u16 mimocfg = b43_phy_read(dev, B43_NPHY_MIMOCFG);

	mimocfg |= B43_NPHY_MIMOCFG_AUTO;
	if (preamble == 1)
		mimocfg |= B43_NPHY_MIMOCFG_GFMIX;
	else
		mimocfg &= ~B43_NPHY_MIMOCFG_GFMIX;

	b43_phy_write(dev, B43_NPHY_MIMOCFG, mimocfg);
}

1539 1540 1541 1542 1543 1544 1545 1546 1547 1548 1549 1550 1551 1552 1553 1554 1555 1556 1557 1558 1559 1560 1561 1562 1563 1564 1565 1566
/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/Chains */
static void b43_nphy_update_txrx_chain(struct b43_wldev *dev)
{
	struct b43_phy_n *nphy = dev->phy.n;

	bool override = false;
	u16 chain = 0x33;

	if (nphy->txrx_chain == 0) {
		chain = 0x11;
		override = true;
	} else if (nphy->txrx_chain == 1) {
		chain = 0x22;
		override = true;
	}

	b43_phy_maskset(dev, B43_NPHY_RFSEQCA,
			~(B43_NPHY_RFSEQCA_TXEN | B43_NPHY_RFSEQCA_RXEN),
			chain);

	if (override)
		b43_phy_set(dev, B43_NPHY_RFSEQMODE,
				B43_NPHY_RFSEQMODE_CAOVER);
	else
		b43_phy_mask(dev, B43_NPHY_RFSEQMODE,
				~B43_NPHY_RFSEQMODE_CAOVER);
}

1567 1568 1569 1570 1571 1572 1573 1574 1575 1576 1577 1578 1579 1580 1581 1582 1583 1584 1585 1586 1587 1588 1589 1590 1591 1592 1593 1594 1595 1596 1597 1598 1599 1600 1601 1602 1603 1604 1605
/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/RxIqEst */
static void b43_nphy_rx_iq_est(struct b43_wldev *dev, struct nphy_iq_est *est,
				u16 samps, u8 time, bool wait)
{
	int i;
	u16 tmp;

	b43_phy_write(dev, B43_NPHY_IQEST_SAMCNT, samps);
	b43_phy_maskset(dev, B43_NPHY_IQEST_WT, ~B43_NPHY_IQEST_WT_VAL, time);
	if (wait)
		b43_phy_set(dev, B43_NPHY_IQEST_CMD, B43_NPHY_IQEST_CMD_MODE);
	else
		b43_phy_mask(dev, B43_NPHY_IQEST_CMD, ~B43_NPHY_IQEST_CMD_MODE);

	b43_phy_set(dev, B43_NPHY_IQEST_CMD, B43_NPHY_IQEST_CMD_START);

	for (i = 1000; i; i--) {
		tmp = b43_phy_read(dev, B43_NPHY_IQEST_CMD);
		if (!(tmp & B43_NPHY_IQEST_CMD_START)) {
			est->i0_pwr = (b43_phy_read(dev, B43_NPHY_IQEST_IPACC_HI0) << 16) |
					b43_phy_read(dev, B43_NPHY_IQEST_IPACC_LO0);
			est->q0_pwr = (b43_phy_read(dev, B43_NPHY_IQEST_QPACC_HI0) << 16) |
					b43_phy_read(dev, B43_NPHY_IQEST_QPACC_LO0);
			est->iq0_prod = (b43_phy_read(dev, B43_NPHY_IQEST_IQACC_HI0) << 16) |
					b43_phy_read(dev, B43_NPHY_IQEST_IQACC_LO0);

			est->i1_pwr = (b43_phy_read(dev, B43_NPHY_IQEST_IPACC_HI1) << 16) |
					b43_phy_read(dev, B43_NPHY_IQEST_IPACC_LO1);
			est->q1_pwr = (b43_phy_read(dev, B43_NPHY_IQEST_QPACC_HI1) << 16) |
					b43_phy_read(dev, B43_NPHY_IQEST_QPACC_LO1);
			est->iq1_prod = (b43_phy_read(dev, B43_NPHY_IQEST_IQACC_HI1) << 16) |
					b43_phy_read(dev, B43_NPHY_IQEST_IQACC_LO1);
			return;
		}
		udelay(10);
	}
	memset(est, 0, sizeof(*est));
}

1606 1607 1608 1609 1610 1611 1612 1613 1614 1615 1616 1617 1618 1619 1620 1621 1622
/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/RxIqCoeffs */
static void b43_nphy_rx_iq_coeffs(struct b43_wldev *dev, bool write,
					struct b43_phy_n_iq_comp *pcomp)
{
	if (write) {
		b43_phy_write(dev, B43_NPHY_C1_RXIQ_COMPA0, pcomp->a0);
		b43_phy_write(dev, B43_NPHY_C1_RXIQ_COMPB0, pcomp->b0);
		b43_phy_write(dev, B43_NPHY_C2_RXIQ_COMPA1, pcomp->a1);
		b43_phy_write(dev, B43_NPHY_C2_RXIQ_COMPB1, pcomp->b1);
	} else {
		pcomp->a0 = b43_phy_read(dev, B43_NPHY_C1_RXIQ_COMPA0);
		pcomp->b0 = b43_phy_read(dev, B43_NPHY_C1_RXIQ_COMPB0);
		pcomp->a1 = b43_phy_read(dev, B43_NPHY_C2_RXIQ_COMPA1);
		pcomp->b1 = b43_phy_read(dev, B43_NPHY_C2_RXIQ_COMPB1);
	}
}

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Rafał Miłecki 已提交
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#if 0
/* Ready but not used anywhere */
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/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/RxCalPhyCleanup */
static void b43_nphy_rx_cal_phy_cleanup(struct b43_wldev *dev, u8 core)
{
	u16 *regs = dev->phy.n->tx_rx_cal_phy_saveregs;

	b43_phy_write(dev, B43_NPHY_RFSEQCA, regs[0]);
	if (core == 0) {
		b43_phy_write(dev, B43_NPHY_AFECTL_C1, regs[1]);
		b43_phy_write(dev, B43_NPHY_AFECTL_OVER1, regs[2]);
	} else {
		b43_phy_write(dev, B43_NPHY_AFECTL_C2, regs[1]);
		b43_phy_write(dev, B43_NPHY_AFECTL_OVER, regs[2]);
	}
	b43_phy_write(dev, B43_NPHY_RFCTL_INTC1, regs[3]);
	b43_phy_write(dev, B43_NPHY_RFCTL_INTC2, regs[4]);
	b43_phy_write(dev, B43_NPHY_RFCTL_RSSIO1, regs[5]);
	b43_phy_write(dev, B43_NPHY_RFCTL_RSSIO2, regs[6]);
	b43_phy_write(dev, B43_NPHY_TXF_40CO_B1S1, regs[7]);
	b43_phy_write(dev, B43_NPHY_RFCTL_OVER, regs[8]);
	b43_phy_write(dev, B43_NPHY_PAPD_EN0, regs[9]);
	b43_phy_write(dev, B43_NPHY_PAPD_EN1, regs[10]);
}

/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/RxCalPhySetup */
static void b43_nphy_rx_cal_phy_setup(struct b43_wldev *dev, u8 core)
{
	u8 rxval, txval;
	u16 *regs = dev->phy.n->tx_rx_cal_phy_saveregs;

	regs[0] = b43_phy_read(dev, B43_NPHY_RFSEQCA);
	if (core == 0) {
		regs[1] = b43_phy_read(dev, B43_NPHY_AFECTL_C1);
		regs[2] = b43_phy_read(dev, B43_NPHY_AFECTL_OVER1);
	} else {
		regs[1] = b43_phy_read(dev, B43_NPHY_AFECTL_C2);
		regs[2] = b43_phy_read(dev, B43_NPHY_AFECTL_OVER);
	}
	regs[3] = b43_phy_read(dev, B43_NPHY_RFCTL_INTC1);
	regs[4] = b43_phy_read(dev, B43_NPHY_RFCTL_INTC2);
	regs[5] = b43_phy_read(dev, B43_NPHY_RFCTL_RSSIO1);
	regs[6] = b43_phy_read(dev, B43_NPHY_RFCTL_RSSIO2);
	regs[7] = b43_phy_read(dev, B43_NPHY_TXF_40CO_B1S1);
	regs[8] = b43_phy_read(dev, B43_NPHY_RFCTL_OVER);
	regs[9] = b43_phy_read(dev, B43_NPHY_PAPD_EN0);
	regs[10] = b43_phy_read(dev, B43_NPHY_PAPD_EN1);

	b43_phy_mask(dev, B43_NPHY_PAPD_EN0, ~0x0001);
	b43_phy_mask(dev, B43_NPHY_PAPD_EN1, ~0x0001);

1674 1675
	b43_phy_maskset(dev, B43_NPHY_RFSEQCA,
			~B43_NPHY_RFSEQCA_RXDIS & 0xFFFF,
1676 1677 1678 1679 1680 1681 1682 1683 1684 1685 1686 1687 1688 1689 1690 1691
			((1 - core) << B43_NPHY_RFSEQCA_RXDIS_SHIFT));
	b43_phy_maskset(dev, B43_NPHY_RFSEQCA, ~B43_NPHY_RFSEQCA_TXEN,
			((1 - core) << B43_NPHY_RFSEQCA_TXEN_SHIFT));
	b43_phy_maskset(dev, B43_NPHY_RFSEQCA, ~B43_NPHY_RFSEQCA_RXEN,
			(core << B43_NPHY_RFSEQCA_RXEN_SHIFT));
	b43_phy_maskset(dev, B43_NPHY_RFSEQCA, ~B43_NPHY_RFSEQCA_TXDIS,
			(core << B43_NPHY_RFSEQCA_TXDIS_SHIFT));

	if (core == 0) {
		b43_phy_mask(dev, B43_NPHY_AFECTL_C1, ~0x0007);
		b43_phy_set(dev, B43_NPHY_AFECTL_OVER1, 0x0007);
	} else {
		b43_phy_mask(dev, B43_NPHY_AFECTL_C2, ~0x0007);
		b43_phy_set(dev, B43_NPHY_AFECTL_OVER, 0x0007);
	}

1692 1693
	b43_nphy_rf_control_intc_override(dev, 2, 0, 3);
	b43_nphy_rf_control_override(dev, 8, 0, 3, false);
1694
	b43_nphy_force_rf_sequence(dev, B43_RFSEQ_RX2TX);
1695 1696 1697 1698 1699 1700 1701 1702

	if (core == 0) {
		rxval = 1;
		txval = 8;
	} else {
		rxval = 4;
		txval = 2;
	}
1703 1704
	b43_nphy_rf_control_intc_override(dev, 1, rxval, (core + 1));
	b43_nphy_rf_control_intc_override(dev, 1, txval, (2 - core));
1705
}
R
Rafał Miłecki 已提交
1706
#endif
1707

1708 1709 1710 1711 1712 1713 1714 1715 1716 1717 1718 1719 1720 1721 1722 1723 1724 1725 1726 1727 1728 1729 1730 1731 1732 1733 1734 1735 1736 1737 1738 1739 1740 1741 1742 1743 1744 1745 1746 1747 1748 1749 1750 1751 1752 1753 1754 1755 1756 1757 1758 1759 1760 1761 1762 1763 1764 1765 1766 1767 1768 1769 1770 1771 1772 1773 1774 1775 1776 1777 1778 1779 1780 1781 1782 1783 1784 1785 1786 1787 1788 1789 1790 1791 1792 1793 1794 1795 1796 1797 1798 1799 1800 1801 1802 1803 1804 1805
/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/CalcRxIqComp */
static void b43_nphy_calc_rx_iq_comp(struct b43_wldev *dev, u8 mask)
{
	int i;
	s32 iq;
	u32 ii;
	u32 qq;
	int iq_nbits, qq_nbits;
	int arsh, brsh;
	u16 tmp, a, b;

	struct nphy_iq_est est;
	struct b43_phy_n_iq_comp old;
	struct b43_phy_n_iq_comp new = { };
	bool error = false;

	if (mask == 0)
		return;

	b43_nphy_rx_iq_coeffs(dev, false, &old);
	b43_nphy_rx_iq_coeffs(dev, true, &new);
	b43_nphy_rx_iq_est(dev, &est, 0x4000, 32, false);
	new = old;

	for (i = 0; i < 2; i++) {
		if (i == 0 && (mask & 1)) {
			iq = est.iq0_prod;
			ii = est.i0_pwr;
			qq = est.q0_pwr;
		} else if (i == 1 && (mask & 2)) {
			iq = est.iq1_prod;
			ii = est.i1_pwr;
			qq = est.q1_pwr;
		} else {
			continue;
		}

		if (ii + qq < 2) {
			error = true;
			break;
		}

		iq_nbits = fls(abs(iq));
		qq_nbits = fls(qq);

		arsh = iq_nbits - 20;
		if (arsh >= 0) {
			a = -((iq << (30 - iq_nbits)) + (ii >> (1 + arsh)));
			tmp = ii >> arsh;
		} else {
			a = -((iq << (30 - iq_nbits)) + (ii << (-1 - arsh)));
			tmp = ii << -arsh;
		}
		if (tmp == 0) {
			error = true;
			break;
		}
		a /= tmp;

		brsh = qq_nbits - 11;
		if (brsh >= 0) {
			b = (qq << (31 - qq_nbits));
			tmp = ii >> brsh;
		} else {
			b = (qq << (31 - qq_nbits));
			tmp = ii << -brsh;
		}
		if (tmp == 0) {
			error = true;
			break;
		}
		b = int_sqrt(b / tmp - a * a) - (1 << 10);

		if (i == 0 && (mask & 0x1)) {
			if (dev->phy.rev >= 3) {
				new.a0 = a & 0x3FF;
				new.b0 = b & 0x3FF;
			} else {
				new.a0 = b & 0x3FF;
				new.b0 = a & 0x3FF;
			}
		} else if (i == 1 && (mask & 0x2)) {
			if (dev->phy.rev >= 3) {
				new.a1 = a & 0x3FF;
				new.b1 = b & 0x3FF;
			} else {
				new.a1 = b & 0x3FF;
				new.b1 = a & 0x3FF;
			}
		}
	}

	if (error)
		new = old;

	b43_nphy_rx_iq_coeffs(dev, true, &new);
}

1806 1807 1808 1809
/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/TxIqWar */
static void b43_nphy_tx_iq_workaround(struct b43_wldev *dev)
{
	u16 array[4];
1810
	b43_ntab_read_bulk(dev, B43_NTAB16(0xF, 0x50), 4, array);
1811 1812 1813 1814 1815 1816 1817

	b43_shm_write16(dev, B43_SHM_SHARED, B43_SHM_SH_NPHY_TXIQW0, array[0]);
	b43_shm_write16(dev, B43_SHM_SHARED, B43_SHM_SH_NPHY_TXIQW1, array[1]);
	b43_shm_write16(dev, B43_SHM_SHARED, B43_SHM_SH_NPHY_TXIQW2, array[2]);
	b43_shm_write16(dev, B43_SHM_SHARED, B43_SHM_SH_NPHY_TXIQW3, array[3]);
}

1818 1819 1820 1821 1822 1823 1824 1825 1826 1827 1828 1829 1830 1831 1832 1833
/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/SuperSwitchInit */
static void b43_nphy_superswitch_init(struct b43_wldev *dev, bool init)
{
	if (dev->phy.rev >= 3) {
		if (!init)
			return;
		if (0 /* FIXME */) {
			b43_ntab_write(dev, B43_NTAB16(9, 2), 0x211);
			b43_ntab_write(dev, B43_NTAB16(9, 3), 0x222);
			b43_ntab_write(dev, B43_NTAB16(9, 8), 0x144);
			b43_ntab_write(dev, B43_NTAB16(9, 12), 0x188);
		}
	} else {
		b43_phy_write(dev, B43_NPHY_GPIO_LOOEN, 0);
		b43_phy_write(dev, B43_NPHY_GPIO_HIOEN, 0);

1834
		switch (dev->dev->bus_type) {
1835 1836 1837 1838 1839 1840
#ifdef CONFIG_B43_BCMA
		case B43_BUS_BCMA:
			bcma_chipco_gpio_control(&dev->dev->bdev->bus->drv_cc,
						 0xFC00, 0xFC00);
			break;
#endif
1841 1842 1843 1844 1845 1846 1847 1848
#ifdef CONFIG_B43_SSB
		case B43_BUS_SSB:
			ssb_chipco_gpio_control(&dev->dev->sdev->bus->chipco,
						0xFC00, 0xFC00);
			break;
#endif
		}

1849 1850 1851 1852
		b43_write32(dev, B43_MMIO_MACCTL,
			b43_read32(dev, B43_MMIO_MACCTL) &
			~B43_MACCTL_GPOUTSMSK);
		b43_write16(dev, B43_MMIO_GPIO_MASK,
1853 1854 1855 1856 1857 1858 1859 1860 1861
			b43_read16(dev, B43_MMIO_GPIO_MASK) | 0xFC00);
		b43_write16(dev, B43_MMIO_GPIO_CONTROL,
			b43_read16(dev, B43_MMIO_GPIO_CONTROL) & ~0xFC00);

		if (init) {
			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);
1862 1863 1864 1865
		}
	}
}

1866 1867 1868 1869 1870 1871 1872 1873 1874 1875 1876 1877 1878
/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/stop-playback */
static void b43_nphy_stop_playback(struct b43_wldev *dev)
{
	struct b43_phy_n *nphy = dev->phy.n;
	u16 tmp;

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

	tmp = b43_phy_read(dev, B43_NPHY_SAMP_STAT);
	if (tmp & 0x1)
		b43_phy_set(dev, B43_NPHY_SAMP_CMD, B43_NPHY_SAMP_CMD_STOP);
	else if (tmp & 0x2)
1879
		b43_phy_mask(dev, B43_NPHY_IQLOCAL_CMDGCTL, 0x7FFF);
1880 1881 1882 1883 1884

	b43_phy_mask(dev, B43_NPHY_SAMP_CMD, ~0x0004);

	if (nphy->bb_mult_save & 0x80000000) {
		tmp = nphy->bb_mult_save & 0xFFFF;
1885
		b43_ntab_write(dev, B43_NTAB16(15, 87), tmp);
1886 1887 1888 1889 1890 1891 1892
		nphy->bb_mult_save = 0;
	}

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

1893 1894 1895 1896 1897
/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/SpurWar */
static void b43_nphy_spur_workaround(struct b43_wldev *dev)
{
	struct b43_phy_n *nphy = dev->phy.n;

1898
	u8 channel = dev->phy.channel;
1899 1900 1901 1902 1903 1904 1905 1906 1907 1908 1909 1910 1911 1912 1913 1914 1915 1916 1917 1918 1919 1920 1921 1922 1923 1924 1925 1926 1927 1928 1929 1930 1931 1932 1933 1934 1935 1936 1937 1938 1939 1940 1941 1942 1943 1944 1945 1946 1947 1948 1949 1950 1951
	int tone[2] = { 57, 58 };
	u32 noise[2] = { 0x3FF, 0x3FF };

	B43_WARN_ON(dev->phy.rev < 3);

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

	if (nphy->gband_spurwar_en) {
		/* TODO: N PHY Adjust Analog Pfbw (7) */
		if (channel == 11 && dev->phy.is_40mhz)
			; /* TODO: N PHY Adjust Min Noise Var(2, tone, noise)*/
		else
			; /* TODO: N PHY Adjust Min Noise Var(0, NULL, NULL)*/
		/* TODO: N PHY Adjust CRS Min Power (0x1E) */
	}

	if (nphy->aband_spurwar_en) {
		if (channel == 54) {
			tone[0] = 0x20;
			noise[0] = 0x25F;
		} else if (channel == 38 || channel == 102 || channel == 118) {
			if (0 /* FIXME */) {
				tone[0] = 0x20;
				noise[0] = 0x21F;
			} else {
				tone[0] = 0;
				noise[0] = 0;
			}
		} else if (channel == 134) {
			tone[0] = 0x20;
			noise[0] = 0x21F;
		} else if (channel == 151) {
			tone[0] = 0x10;
			noise[0] = 0x23F;
		} else if (channel == 153 || channel == 161) {
			tone[0] = 0x30;
			noise[0] = 0x23F;
		} else {
			tone[0] = 0;
			noise[0] = 0;
		}

		if (!tone[0] && !noise[0])
			; /* TODO: N PHY Adjust Min Noise Var(1, tone, noise)*/
		else
			; /* TODO: N PHY Adjust Min Noise Var(0, NULL, NULL)*/
	}

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

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1952 1953 1954 1955 1956 1957 1958 1959 1960 1961
/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/AdjustLnaGainTbl */
static void b43_nphy_adjust_lna_gain_table(struct b43_wldev *dev)
{
	struct b43_phy_n *nphy = dev->phy.n;

	u8 i;
	s16 tmp;
	u16 data[4];
	s16 gain[2];
	u16 minmax[2];
J
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1962
	static const u16 lna_gain[4] = { -2, 10, 19, 25 };
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1963 1964 1965 1966 1967 1968 1969 1970 1971

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

	if (nphy->gain_boost) {
		if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ) {
			gain[0] = 6;
			gain[1] = 6;
		} else {
1972
			tmp = 40370 - 315 * dev->phy.channel;
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			gain[0] = ((tmp >> 13) + ((tmp >> 12) & 1));
1974
			tmp = 23242 - 224 * dev->phy.channel;
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1975 1976 1977 1978 1979 1980 1981 1982 1983 1984 1985 1986 1987 1988 1989 1990 1991 1992 1993
			gain[1] = ((tmp >> 13) + ((tmp >> 12) & 1));
		}
	} else {
		gain[0] = 0;
		gain[1] = 0;
	}

	for (i = 0; i < 2; i++) {
		if (nphy->elna_gain_config) {
			data[0] = 19 + gain[i];
			data[1] = 25 + gain[i];
			data[2] = 25 + gain[i];
			data[3] = 25 + gain[i];
		} else {
			data[0] = lna_gain[0] + gain[i];
			data[1] = lna_gain[1] + gain[i];
			data[2] = lna_gain[2] + gain[i];
			data[3] = lna_gain[3] + gain[i];
		}
1994
		b43_ntab_write_bulk(dev, B43_NTAB16(i, 8), 4, data);
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		minmax[i] = 23 + gain[i];
	}

	b43_phy_maskset(dev, B43_NPHY_C1_MINMAX_GAIN, ~B43_NPHY_C1_MINGAIN,
				minmax[0] << B43_NPHY_C1_MINGAIN_SHIFT);
	b43_phy_maskset(dev, B43_NPHY_C2_MINMAX_GAIN, ~B43_NPHY_C2_MINGAIN,
				minmax[1] << B43_NPHY_C2_MINGAIN_SHIFT);

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

2008
/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/WorkaroundsGainCtrl */
2009
static void b43_nphy_gain_ctrl_workarounds(struct b43_wldev *dev)
2010 2011
{
	struct b43_phy_n *nphy = dev->phy.n;
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2012
	struct ssb_sprom *sprom = dev->dev->bus_sprom;
2013 2014

	/* PHY rev 0, 1, 2 */
2015 2016
	u8 i, j;
	u8 code;
2017
	u16 tmp;
2018 2019
	u8 rfseq_events[3] = { 6, 8, 7 };
	u8 rfseq_delays[3] = { 10, 30, 1 };
2020

2021 2022 2023 2024 2025
	/* PHY rev >= 3 */
	bool ghz5;
	bool ext_lna;
	u16 rssi_gain;
	struct nphy_gain_ctl_workaround_entry *e;
2026 2027 2028 2029
	u8 lpf_gain[6] = { 0x00, 0x06, 0x0C, 0x12, 0x12, 0x12 };
	u8 lpf_bits[6] = { 0, 1, 2, 3, 3, 3 };

	if (dev->phy.rev >= 3) {
2030 2031 2032 2033 2034 2035 2036 2037 2038 2039 2040 2041 2042 2043 2044 2045 2046 2047 2048 2049 2050 2051 2052 2053 2054 2055 2056 2057 2058 2059 2060 2061 2062 2063 2064 2065 2066 2067 2068 2069 2070 2071 2072 2073 2074 2075 2076 2077 2078 2079 2080 2081 2082 2083 2084 2085 2086 2087 2088 2089 2090 2091 2092 2093 2094 2095 2096 2097 2098 2099 2100 2101 2102 2103
		/* Prepare values */
		ghz5 = b43_phy_read(dev, B43_NPHY_BANDCTL)
			& B43_NPHY_BANDCTL_5GHZ;
		ext_lna = sprom->boardflags_lo & B43_BFL_EXTLNA;
		e = b43_nphy_get_gain_ctl_workaround_ent(dev, ghz5, ext_lna);
		if (ghz5 && dev->phy.rev >= 5)
			rssi_gain = 0x90;
		else
			rssi_gain = 0x50;

		b43_phy_set(dev, B43_NPHY_RXCTL, 0x0040);

		/* Set Clip 2 detect */
		b43_phy_set(dev, B43_NPHY_C1_CGAINI,
				B43_NPHY_C1_CGAINI_CL2DETECT);
		b43_phy_set(dev, B43_NPHY_C2_CGAINI,
				B43_NPHY_C2_CGAINI_CL2DETECT);

		b43_radio_write(dev, B2056_RX0 | B2056_RX_BIASPOLE_LNAG1_IDAC,
				0x17);
		b43_radio_write(dev, B2056_RX1 | B2056_RX_BIASPOLE_LNAG1_IDAC,
				0x17);
		b43_radio_write(dev, B2056_RX0 | B2056_RX_LNAG2_IDAC, 0xF0);
		b43_radio_write(dev, B2056_RX1 | B2056_RX_LNAG2_IDAC, 0xF0);
		b43_radio_write(dev, B2056_RX0 | B2056_RX_RSSI_POLE, 0x00);
		b43_radio_write(dev, B2056_RX1 | B2056_RX_RSSI_POLE, 0x00);
		b43_radio_write(dev, B2056_RX0 | B2056_RX_RSSI_GAIN,
				rssi_gain);
		b43_radio_write(dev, B2056_RX1 | B2056_RX_RSSI_GAIN,
				rssi_gain);
		b43_radio_write(dev, B2056_RX0 | B2056_RX_BIASPOLE_LNAA1_IDAC,
				0x17);
		b43_radio_write(dev, B2056_RX1 | B2056_RX_BIASPOLE_LNAA1_IDAC,
				0x17);
		b43_radio_write(dev, B2056_RX0 | B2056_RX_LNAA2_IDAC, 0xFF);
		b43_radio_write(dev, B2056_RX1 | B2056_RX_LNAA2_IDAC, 0xFF);

		b43_ntab_write_bulk(dev, B43_NTAB8(0, 8), 4, e->lna1_gain);
		b43_ntab_write_bulk(dev, B43_NTAB8(1, 8), 4, e->lna1_gain);
		b43_ntab_write_bulk(dev, B43_NTAB8(0, 16), 4, e->lna2_gain);
		b43_ntab_write_bulk(dev, B43_NTAB8(1, 16), 4, e->lna2_gain);
		b43_ntab_write_bulk(dev, B43_NTAB8(0, 32), 10, e->gain_db);
		b43_ntab_write_bulk(dev, B43_NTAB8(1, 32), 10, e->gain_db);
		b43_ntab_write_bulk(dev, B43_NTAB8(2, 32), 10, e->gain_bits);
		b43_ntab_write_bulk(dev, B43_NTAB8(3, 32), 10, e->gain_bits);
		b43_ntab_write_bulk(dev, B43_NTAB8(0, 0x40), 6, lpf_gain);
		b43_ntab_write_bulk(dev, B43_NTAB8(1, 0x40), 6, lpf_gain);
		b43_ntab_write_bulk(dev, B43_NTAB8(2, 0x40), 6, lpf_bits);
		b43_ntab_write_bulk(dev, B43_NTAB8(3, 0x40), 6, lpf_bits);

		b43_phy_write(dev, B43_NPHY_C1_INITGAIN, e->init_gain);
		b43_phy_write(dev, 0x2A7, e->init_gain);
		b43_ntab_write_bulk(dev, B43_NTAB16(7, 0x106), 2,
					e->rfseq_init);
		b43_phy_write(dev, B43_NPHY_C1_INITGAIN, e->init_gain);

		/* TODO: check defines. Do not match variables names */
		b43_phy_write(dev, B43_NPHY_C1_CLIP1_MEDGAIN, e->cliphi_gain);
		b43_phy_write(dev, 0x2A9, e->cliphi_gain);
		b43_phy_write(dev, B43_NPHY_C1_CLIP2_GAIN, e->clipmd_gain);
		b43_phy_write(dev, 0x2AB, e->clipmd_gain);
		b43_phy_write(dev, B43_NPHY_C2_CLIP1_HIGAIN, e->cliplo_gain);
		b43_phy_write(dev, 0x2AD, e->cliplo_gain);

		b43_phy_maskset(dev, 0x27D, 0xFF00, e->crsmin);
		b43_phy_maskset(dev, 0x280, 0xFF00, e->crsminl);
		b43_phy_maskset(dev, 0x283, 0xFF00, e->crsminu);
		b43_phy_write(dev, B43_NPHY_C1_NBCLIPTHRES, e->nbclip);
		b43_phy_write(dev, B43_NPHY_C2_NBCLIPTHRES, e->nbclip);
		b43_phy_maskset(dev, B43_NPHY_C1_CLIPWBTHRES,
				~B43_NPHY_C1_CLIPWBTHRES_CLIP2, e->wlclip);
		b43_phy_maskset(dev, B43_NPHY_C2_CLIPWBTHRES,
				~B43_NPHY_C2_CLIPWBTHRES_CLIP2, e->wlclip);
		b43_phy_write(dev, B43_NPHY_CCK_SHIFTB_REF, 0x809C);
2104 2105 2106 2107 2108 2109 2110 2111
	} else {
		/* Set Clip 2 detect */
		b43_phy_set(dev, B43_NPHY_C1_CGAINI,
				B43_NPHY_C1_CGAINI_CL2DETECT);
		b43_phy_set(dev, B43_NPHY_C2_CGAINI,
				B43_NPHY_C2_CGAINI_CL2DETECT);

		/* Set narrowband clip threshold */
2112 2113
		b43_phy_write(dev, B43_NPHY_C1_NBCLIPTHRES, 0x84);
		b43_phy_write(dev, B43_NPHY_C2_NBCLIPTHRES, 0x84);
2114 2115 2116

		if (!dev->phy.is_40mhz) {
			/* Set dwell lengths */
2117 2118 2119 2120
			b43_phy_write(dev, B43_NPHY_CLIP1_NBDWELL_LEN, 0x002B);
			b43_phy_write(dev, B43_NPHY_CLIP2_NBDWELL_LEN, 0x002B);
			b43_phy_write(dev, B43_NPHY_W1CLIP1_DWELL_LEN, 0x0009);
			b43_phy_write(dev, B43_NPHY_W1CLIP2_DWELL_LEN, 0x0009);
2121 2122 2123 2124 2125 2126 2127 2128 2129 2130 2131 2132 2133 2134 2135 2136 2137 2138 2139 2140 2141
		}

		/* Set wideband clip 2 threshold */
		b43_phy_maskset(dev, B43_NPHY_C1_CLIPWBTHRES,
				~B43_NPHY_C1_CLIPWBTHRES_CLIP2,
				21);
		b43_phy_maskset(dev, B43_NPHY_C2_CLIPWBTHRES,
				~B43_NPHY_C2_CLIPWBTHRES_CLIP2,
				21);

		if (!dev->phy.is_40mhz) {
			b43_phy_maskset(dev, B43_NPHY_C1_CGAINI,
				~B43_NPHY_C1_CGAINI_GAINBKOFF, 0x1);
			b43_phy_maskset(dev, B43_NPHY_C2_CGAINI,
				~B43_NPHY_C2_CGAINI_GAINBKOFF, 0x1);
			b43_phy_maskset(dev, B43_NPHY_C1_CCK_CGAINI,
				~B43_NPHY_C1_CCK_CGAINI_GAINBKOFF, 0x1);
			b43_phy_maskset(dev, B43_NPHY_C2_CCK_CGAINI,
				~B43_NPHY_C2_CCK_CGAINI_GAINBKOFF, 0x1);
		}

2142
		b43_phy_write(dev, B43_NPHY_CCK_SHIFTB_REF, 0x809C);
2143 2144 2145 2146 2147 2148 2149 2150 2151 2152 2153 2154 2155 2156 2157 2158 2159 2160 2161 2162

		if (nphy->gain_boost) {
			if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ &&
			    dev->phy.is_40mhz)
				code = 4;
			else
				code = 5;
		} else {
			code = dev->phy.is_40mhz ? 6 : 7;
		}

		/* Set HPVGA2 index */
		b43_phy_maskset(dev, B43_NPHY_C1_INITGAIN,
				~B43_NPHY_C1_INITGAIN_HPVGA2,
				code << B43_NPHY_C1_INITGAIN_HPVGA2_SHIFT);
		b43_phy_maskset(dev, B43_NPHY_C2_INITGAIN,
				~B43_NPHY_C2_INITGAIN_HPVGA2,
				code << B43_NPHY_C2_INITGAIN_HPVGA2_SHIFT);

		b43_phy_write(dev, B43_NPHY_TABLE_ADDR, 0x1D06);
2163 2164 2165 2166
		/* specs say about 2 loops, but wl does 4 */
		for (i = 0; i < 4; i++)
			b43_phy_write(dev, B43_NPHY_TABLE_DATALO,
							(code << 8 | 0x7C));
2167

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2168
		b43_nphy_adjust_lna_gain_table(dev);
2169 2170 2171 2172 2173 2174 2175 2176 2177 2178 2179 2180 2181 2182 2183

		if (nphy->elna_gain_config) {
			b43_phy_write(dev, B43_NPHY_TABLE_ADDR, 0x0808);
			b43_phy_write(dev, B43_NPHY_TABLE_DATALO, 0x0);
			b43_phy_write(dev, B43_NPHY_TABLE_DATALO, 0x1);
			b43_phy_write(dev, B43_NPHY_TABLE_DATALO, 0x1);
			b43_phy_write(dev, B43_NPHY_TABLE_DATALO, 0x1);

			b43_phy_write(dev, B43_NPHY_TABLE_ADDR, 0x0C08);
			b43_phy_write(dev, B43_NPHY_TABLE_DATALO, 0x0);
			b43_phy_write(dev, B43_NPHY_TABLE_DATALO, 0x1);
			b43_phy_write(dev, B43_NPHY_TABLE_DATALO, 0x1);
			b43_phy_write(dev, B43_NPHY_TABLE_DATALO, 0x1);

			b43_phy_write(dev, B43_NPHY_TABLE_ADDR, 0x1D06);
2184 2185 2186 2187
			/* specs say about 2 loops, but wl does 4 */
			for (i = 0; i < 4; i++)
				b43_phy_write(dev, B43_NPHY_TABLE_DATALO,
							(code << 8 | 0x74));
2188 2189 2190 2191 2192 2193
		}

		if (dev->phy.rev == 2) {
			for (i = 0; i < 4; i++) {
				b43_phy_write(dev, B43_NPHY_TABLE_ADDR,
						(0x0400 * i) + 0x0020);
2194 2195
				for (j = 0; j < 21; j++) {
					tmp = j * (i < 2 ? 3 : 1);
2196
					b43_phy_write(dev,
2197 2198
						B43_NPHY_TABLE_DATALO, tmp);
				}
2199
			}
2200
		}
2201

2202 2203 2204 2205 2206
		b43_nphy_set_rf_sequence(dev, 5,
				rfseq_events, rfseq_delays, 3);
		b43_phy_maskset(dev, B43_NPHY_OVER_DGAIN1,
			~B43_NPHY_OVER_DGAIN_CCKDGECV & 0xFFFF,
			0x5A << B43_NPHY_OVER_DGAIN_CCKDGECV_SHIFT);
2207

2208 2209 2210
		if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ)
			b43_phy_maskset(dev, B43_PHY_N(0xC5D),
					0xFF80, 4);
2211 2212 2213
	}
}

2214
static void b43_nphy_workarounds_rev3plus(struct b43_wldev *dev)
2215
{
2216
	struct b43_phy_n *nphy = dev->phy.n;
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2217
	struct ssb_sprom *sprom = dev->dev->bus_sprom;
2218

2219
	/* TX to RX */
2220 2221
	u8 tx2rx_events[8] = { 0x4, 0x3, 0x6, 0x5, 0x2, 0x1, 0x8, 0x1F };
	u8 tx2rx_delays[8] = { 8, 4, 2, 2, 4, 4, 6, 1 };
2222 2223 2224 2225 2226 2227 2228
	/* 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 };

2229 2230 2231
	u16 tmp16;
	u32 tmp32;

2232 2233 2234
	b43_phy_write(dev, 0x23f, 0x1f8);
	b43_phy_write(dev, 0x240, 0x1f8);

2235 2236 2237
	tmp32 = b43_ntab_read(dev, B43_NTAB32(30, 0));
	tmp32 &= 0xffffff;
	b43_ntab_write(dev, B43_NTAB32(30, 0), tmp32);
2238

2239 2240 2241 2242 2243 2244
	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);
2245

2246 2247
	b43_phy_write(dev, B43_NPHY_C2_CLIP1_MEDGAIN, 0x000C);
	b43_phy_write(dev, 0x2AE, 0x000C);
2248

2249
	/* TX to RX */
2250 2251
	b43_nphy_set_rf_sequence(dev, 1, tx2rx_events, tx2rx_delays,
				 ARRAY_SIZE(tx2rx_events));
2252 2253 2254

	/* RX to TX */
	if (b43_nphy_ipa(dev))
2255 2256
		b43_nphy_set_rf_sequence(dev, 0, rx2tx_events_ipa,
				rx2tx_delays_ipa, ARRAY_SIZE(rx2tx_events_ipa));
2257 2258 2259 2260 2261 2262 2263
	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;
		}
2264 2265
		b43_nphy_set_rf_sequence(dev, 1, rx2tx_events, rx2tx_delays,
					 ARRAY_SIZE(rx2tx_events));
2266
	}
2267

2268 2269 2270
	tmp16 = (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ) ?
		0x2 : 0x9C40;
	b43_phy_write(dev, B43_NPHY_ENDROP_TLEN, tmp16);
2271

2272
	b43_phy_maskset(dev, 0x294, 0xF0FF, 0x0700);
2273

2274 2275
	b43_ntab_write(dev, B43_NTAB32(16, 3), 0x18D);
	b43_ntab_write(dev, B43_NTAB32(16, 127), 0x18D);
2276

2277
	b43_nphy_gain_ctrl_workarounds(dev);
2278

2279 2280
	b43_ntab_write(dev, B43_NTAB16(8, 0), 2);
	b43_ntab_write(dev, B43_NTAB16(8, 16), 2);
2281

2282
	/* TODO */
2283

2284 2285 2286 2287 2288 2289 2290 2291
	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);
2292 2293
	b43_radio_write(dev, B2056_RX0 | B2056_RX_MIXA_CMFB_IDAC, 0x00);
	b43_radio_write(dev, B2056_RX1 | B2056_RX_MIXA_CMFB_IDAC, 0x00);
2294 2295 2296 2297 2298 2299 2300 2301 2302 2303 2304 2305 2306 2307 2308 2309 2310 2311 2312 2313 2314 2315 2316
	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);
	}
2317

2318 2319 2320 2321 2322 2323 2324 2325 2326 2327 2328 2329
	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);
2330
}
2331

2332 2333 2334 2335 2336
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;
2337

2338 2339
	u8 events1[7] = { 0x0, 0x1, 0x2, 0x8, 0x4, 0x5, 0x3 };
	u8 delays1[7] = { 0x8, 0x6, 0x6, 0x2, 0x4, 0x3C, 0x1 };
2340

2341 2342
	u8 events2[7] = { 0x0, 0x3, 0x5, 0x4, 0x2, 0x1, 0x8 };
	u8 delays2[7] = { 0x8, 0x6, 0x2, 0x4, 0x4, 0x6, 0x1 };
2343

2344 2345 2346 2347
	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);
2348
	} else {
2349 2350 2351
		b43_radio_set(dev, B2055_C1_TX_RF_SPARE, 0x8);
		b43_radio_set(dev, B2055_C2_TX_RF_SPARE, 0x8);
	}
2352

2353 2354 2355 2356 2357 2358 2359 2360 2361 2362 2363 2364 2365
	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);
	}
2366

2367 2368 2369 2370
	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);
2371

2372 2373
	if (sprom->boardflags2_lo & B43_BFL2_SKWRKFEM_BRD &&
	    dev->dev->board_type == 0x8B) {
2374 2375 2376 2377 2378 2379 2380 2381 2382 2383 2384 2385 2386 2387 2388 2389
		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_ctrl_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);
	}
2390

2391 2392 2393 2394 2395 2396 2397 2398 2399 2400 2401 2402 2403 2404 2405 2406 2407 2408 2409 2410 2411 2412
	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);
}
2413

2414 2415 2416 2417 2418
/* 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;
2419

2420 2421 2422 2423
	if (b43_current_band(dev->wl) == IEEE80211_BAND_5GHZ)
		b43_nphy_classifier(dev, 1, 0);
	else
		b43_nphy_classifier(dev, 1, 1);
2424

2425 2426 2427 2428 2429 2430 2431 2432 2433 2434
	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);
2435 2436 2437 2438 2439

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

R
Rafał Miłecki 已提交
2440 2441 2442 2443 2444 2445 2446 2447 2448 2449 2450 2451 2452 2453
/*
 * Transmits a known value for LO calibration
 * http://bcm-v4.sipsolutions.net/802.11/PHY/N/TXTone
 */
static int b43_nphy_tx_tone(struct b43_wldev *dev, u32 freq, u16 max_val,
				bool iqmode, bool dac_test)
{
	u16 samp = b43_nphy_gen_load_samples(dev, freq, max_val, dac_test);
	if (samp == 0)
		return -1;
	b43_nphy_run_samples(dev, samp, 0xFFFF, 0, iqmode, dac_test);
	return 0;
}

2454 2455 2456 2457 2458 2459 2460 2461 2462 2463 2464 2465 2466
/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/TxPwrCtrlCoefSetup */
static void b43_nphy_tx_pwr_ctrl_coef_setup(struct b43_wldev *dev)
{
	struct b43_phy_n *nphy = dev->phy.n;
	int i, j;
	u32 tmp;
	u32 cur_real, cur_imag, real_part, imag_part;

	u16 buffer[7];

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

2467
	b43_ntab_read_bulk(dev, B43_NTAB16(15, 80), 7, buffer);
2468 2469 2470 2471 2472 2473 2474 2475 2476 2477 2478 2479 2480 2481 2482 2483 2484 2485 2486 2487 2488 2489 2490 2491 2492 2493 2494 2495 2496 2497 2498 2499 2500 2501 2502 2503 2504 2505 2506 2507 2508 2509 2510 2511 2512 2513 2514 2515 2516 2517 2518 2519

	for (i = 0; i < 2; i++) {
		tmp = ((buffer[i * 2] & 0x3FF) << 10) |
			(buffer[i * 2 + 1] & 0x3FF);
		b43_phy_write(dev, B43_NPHY_TABLE_ADDR,
				(((i + 26) << 10) | 320));
		for (j = 0; j < 128; j++) {
			b43_phy_write(dev, B43_NPHY_TABLE_DATAHI,
					((tmp >> 16) & 0xFFFF));
			b43_phy_write(dev, B43_NPHY_TABLE_DATALO,
					(tmp & 0xFFFF));
		}
	}

	for (i = 0; i < 2; i++) {
		tmp = buffer[5 + i];
		real_part = (tmp >> 8) & 0xFF;
		imag_part = (tmp & 0xFF);
		b43_phy_write(dev, B43_NPHY_TABLE_ADDR,
				(((i + 26) << 10) | 448));

		if (dev->phy.rev >= 3) {
			cur_real = real_part;
			cur_imag = imag_part;
			tmp = ((cur_real & 0xFF) << 8) | (cur_imag & 0xFF);
		}

		for (j = 0; j < 128; j++) {
			if (dev->phy.rev < 3) {
				cur_real = (real_part * loscale[j] + 128) >> 8;
				cur_imag = (imag_part * loscale[j] + 128) >> 8;
				tmp = ((cur_real & 0xFF) << 8) |
					(cur_imag & 0xFF);
			}
			b43_phy_write(dev, B43_NPHY_TABLE_DATAHI,
					((tmp >> 16) & 0xFFFF));
			b43_phy_write(dev, B43_NPHY_TABLE_DATALO,
					(tmp & 0xFFFF));
		}
	}

	if (dev->phy.rev >= 3) {
		b43_shm_write16(dev, B43_SHM_SHARED,
				B43_SHM_SH_NPHY_TXPWR_INDX0, 0xFFFF);
		b43_shm_write16(dev, B43_SHM_SHARED,
				B43_SHM_SH_NPHY_TXPWR_INDX1, 0xFFFF);
	}

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

2520
/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/BPHYInit */
M
Michael Buesch 已提交
2521 2522 2523 2524 2525 2526
static void b43_nphy_bphy_init(struct b43_wldev *dev)
{
	unsigned int i;
	u16 val;

	val = 0x1E1F;
R
Rafał Miłecki 已提交
2527
	for (i = 0; i < 16; i++) {
M
Michael Buesch 已提交
2528 2529 2530 2531 2532
		b43_phy_write(dev, B43_PHY_N_BMODE(0x88 + i), val);
		val -= 0x202;
	}
	val = 0x3E3F;
	for (i = 0; i < 16; i++) {
R
Rafał Miłecki 已提交
2533
		b43_phy_write(dev, B43_PHY_N_BMODE(0x98 + i), val);
M
Michael Buesch 已提交
2534 2535 2536 2537 2538
		val -= 0x202;
	}
	b43_phy_write(dev, B43_PHY_N_BMODE(0x38), 0x668);
}

2539 2540 2541 2542 2543 2544 2545 2546 2547 2548 2549 2550 2551 2552 2553 2554 2555 2556 2557 2558 2559 2560 2561 2562 2563 2564 2565 2566 2567 2568 2569 2570 2571 2572 2573 2574 2575 2576 2577 2578 2579 2580 2581 2582 2583 2584 2585 2586
/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/SetRssi2055Vcm */
static void b43_nphy_set_rssi_2055_vcm(struct b43_wldev *dev, u8 type, u8 *buf)
{
	int i;
	for (i = 0; i < 2; i++) {
		if (type == 2) {
			if (i == 0) {
				b43_radio_maskset(dev, B2055_C1_B0NB_RSSIVCM,
						  0xFC, buf[0]);
				b43_radio_maskset(dev, B2055_C1_RX_BB_RSSICTL5,
						  0xFC, buf[1]);
			} else {
				b43_radio_maskset(dev, B2055_C2_B0NB_RSSIVCM,
						  0xFC, buf[2 * i]);
				b43_radio_maskset(dev, B2055_C2_RX_BB_RSSICTL5,
						  0xFC, buf[2 * i + 1]);
			}
		} else {
			if (i == 0)
				b43_radio_maskset(dev, B2055_C1_RX_BB_RSSICTL5,
						  0xF3, buf[0] << 2);
			else
				b43_radio_maskset(dev, B2055_C2_RX_BB_RSSICTL5,
						  0xF3, buf[2 * i + 1] << 2);
		}
	}
}

/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/PollRssi */
static int b43_nphy_poll_rssi(struct b43_wldev *dev, u8 type, s32 *buf,
				u8 nsamp)
{
	int i;
	int out;
	u16 save_regs_phy[9];
	u16 s[2];

	if (dev->phy.rev >= 3) {
		save_regs_phy[0] = b43_phy_read(dev,
						B43_NPHY_RFCTL_LUT_TRSW_UP1);
		save_regs_phy[1] = b43_phy_read(dev,
						B43_NPHY_RFCTL_LUT_TRSW_UP2);
		save_regs_phy[2] = b43_phy_read(dev, B43_NPHY_AFECTL_C1);
		save_regs_phy[3] = b43_phy_read(dev, B43_NPHY_AFECTL_C2);
		save_regs_phy[4] = b43_phy_read(dev, B43_NPHY_AFECTL_OVER1);
		save_regs_phy[5] = b43_phy_read(dev, B43_NPHY_AFECTL_OVER);
		save_regs_phy[6] = b43_phy_read(dev, B43_NPHY_TXF_40CO_B1S0);
		save_regs_phy[7] = b43_phy_read(dev, B43_NPHY_TXF_40CO_B32S1);
2587
		save_regs_phy[8] = 0;
2588
	} else {
2589 2590 2591 2592 2593 2594 2595
		save_regs_phy[0] = b43_phy_read(dev, B43_NPHY_AFECTL_C1);
		save_regs_phy[1] = b43_phy_read(dev, B43_NPHY_AFECTL_C2);
		save_regs_phy[2] = b43_phy_read(dev, B43_NPHY_AFECTL_OVER);
		save_regs_phy[3] = b43_phy_read(dev, B43_NPHY_RFCTL_CMD);
		save_regs_phy[4] = b43_phy_read(dev, B43_NPHY_RFCTL_OVER);
		save_regs_phy[5] = b43_phy_read(dev, B43_NPHY_RFCTL_RSSIO1);
		save_regs_phy[6] = b43_phy_read(dev, B43_NPHY_RFCTL_RSSIO2);
2596 2597
		save_regs_phy[7] = 0;
		save_regs_phy[8] = 0;
2598 2599 2600 2601 2602 2603 2604 2605 2606 2607 2608 2609 2610 2611 2612 2613 2614 2615 2616 2617 2618 2619 2620 2621 2622 2623 2624 2625 2626 2627 2628 2629 2630 2631 2632 2633 2634 2635 2636 2637 2638 2639 2640
	}

	b43_nphy_rssi_select(dev, 5, type);

	if (dev->phy.rev < 2) {
		save_regs_phy[8] = b43_phy_read(dev, B43_NPHY_GPIO_SEL);
		b43_phy_write(dev, B43_NPHY_GPIO_SEL, 5);
	}

	for (i = 0; i < 4; i++)
		buf[i] = 0;

	for (i = 0; i < nsamp; i++) {
		if (dev->phy.rev < 2) {
			s[0] = b43_phy_read(dev, B43_NPHY_GPIO_LOOUT);
			s[1] = b43_phy_read(dev, B43_NPHY_GPIO_HIOUT);
		} else {
			s[0] = b43_phy_read(dev, B43_NPHY_RSSI1);
			s[1] = b43_phy_read(dev, B43_NPHY_RSSI2);
		}

		buf[0] += ((s8)((s[0] & 0x3F) << 2)) >> 2;
		buf[1] += ((s8)(((s[0] >> 8) & 0x3F) << 2)) >> 2;
		buf[2] += ((s8)((s[1] & 0x3F) << 2)) >> 2;
		buf[3] += ((s8)(((s[1] >> 8) & 0x3F) << 2)) >> 2;
	}
	out = (buf[0] & 0xFF) << 24 | (buf[1] & 0xFF) << 16 |
		(buf[2] & 0xFF) << 8 | (buf[3] & 0xFF);

	if (dev->phy.rev < 2)
		b43_phy_write(dev, B43_NPHY_GPIO_SEL, save_regs_phy[8]);

	if (dev->phy.rev >= 3) {
		b43_phy_write(dev, B43_NPHY_RFCTL_LUT_TRSW_UP1,
				save_regs_phy[0]);
		b43_phy_write(dev, B43_NPHY_RFCTL_LUT_TRSW_UP2,
				save_regs_phy[1]);
		b43_phy_write(dev, B43_NPHY_AFECTL_C1, save_regs_phy[2]);
		b43_phy_write(dev, B43_NPHY_AFECTL_C2, save_regs_phy[3]);
		b43_phy_write(dev, B43_NPHY_AFECTL_OVER1, save_regs_phy[4]);
		b43_phy_write(dev, B43_NPHY_AFECTL_OVER, save_regs_phy[5]);
		b43_phy_write(dev, B43_NPHY_TXF_40CO_B1S0, save_regs_phy[6]);
		b43_phy_write(dev, B43_NPHY_TXF_40CO_B32S1, save_regs_phy[7]);
2641
	} else {
2642 2643 2644 2645 2646 2647 2648
		b43_phy_write(dev, B43_NPHY_AFECTL_C1, save_regs_phy[0]);
		b43_phy_write(dev, B43_NPHY_AFECTL_C2, save_regs_phy[1]);
		b43_phy_write(dev, B43_NPHY_AFECTL_OVER, save_regs_phy[2]);
		b43_phy_write(dev, B43_NPHY_RFCTL_CMD, save_regs_phy[3]);
		b43_phy_write(dev, B43_NPHY_RFCTL_OVER, save_regs_phy[4]);
		b43_phy_write(dev, B43_NPHY_RFCTL_RSSIO1, save_regs_phy[5]);
		b43_phy_write(dev, B43_NPHY_RFCTL_RSSIO2, save_regs_phy[6]);
2649 2650 2651 2652 2653
	}

	return out;
}

2654 2655
/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/RSSICal */
static void b43_nphy_rev2_rssi_cal(struct b43_wldev *dev, u8 type)
M
Michael Buesch 已提交
2656
{
2657 2658 2659 2660 2661 2662
	int i, j;
	u8 state[4];
	u8 code, val;
	u16 class, override;
	u8 regs_save_radio[2];
	u16 regs_save_phy[2];
R
Rafał Miłecki 已提交
2663

2664
	s8 offset[4];
R
Rafał Miłecki 已提交
2665 2666
	u8 core;
	u8 rail;
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	u16 clip_state[2];
	u16 clip_off[2] = { 0xFFFF, 0xFFFF };
	s32 results_min[4] = { };
	u8 vcm_final[4] = { };
	s32 results[4][4] = { };
	s32 miniq[4][2] = { };

	if (type == 2) {
		code = 0;
		val = 6;
	} else if (type < 2) {
		code = 25;
		val = 4;
	} else {
		B43_WARN_ON(1);
		return;
	}

	class = b43_nphy_classifier(dev, 0, 0);
	b43_nphy_classifier(dev, 7, 4);
	b43_nphy_read_clip_detection(dev, clip_state);
	b43_nphy_write_clip_detection(dev, clip_off);

	if (b43_current_band(dev->wl) == IEEE80211_BAND_5GHZ)
		override = 0x140;
	else
		override = 0x110;

	regs_save_phy[0] = b43_phy_read(dev, B43_NPHY_RFCTL_INTC1);
	regs_save_radio[0] = b43_radio_read16(dev, B2055_C1_PD_RXTX);
	b43_phy_write(dev, B43_NPHY_RFCTL_INTC1, override);
	b43_radio_write16(dev, B2055_C1_PD_RXTX, val);

	regs_save_phy[1] = b43_phy_read(dev, B43_NPHY_RFCTL_INTC2);
	regs_save_radio[1] = b43_radio_read16(dev, B2055_C2_PD_RXTX);
	b43_phy_write(dev, B43_NPHY_RFCTL_INTC2, override);
	b43_radio_write16(dev, B2055_C2_PD_RXTX, val);

	state[0] = b43_radio_read16(dev, B2055_C1_PD_RSSIMISC) & 0x07;
	state[1] = b43_radio_read16(dev, B2055_C2_PD_RSSIMISC) & 0x07;
	b43_radio_mask(dev, B2055_C1_PD_RSSIMISC, 0xF8);
	b43_radio_mask(dev, B2055_C2_PD_RSSIMISC, 0xF8);
	state[2] = b43_radio_read16(dev, B2055_C1_SP_RSSI) & 0x07;
	state[3] = b43_radio_read16(dev, B2055_C2_SP_RSSI) & 0x07;

	b43_nphy_rssi_select(dev, 5, type);
	b43_nphy_scale_offset_rssi(dev, 0, 0, 5, 0, type);
	b43_nphy_scale_offset_rssi(dev, 0, 0, 5, 1, type);

	for (i = 0; i < 4; i++) {
		u8 tmp[4];
		for (j = 0; j < 4; j++)
			tmp[j] = i;
		if (type != 1)
			b43_nphy_set_rssi_2055_vcm(dev, type, tmp);
		b43_nphy_poll_rssi(dev, type, results[i], 8);
		if (type < 2)
			for (j = 0; j < 2; j++)
				miniq[i][j] = min(results[i][2 * j],
						results[i][2 * j + 1]);
	}

	for (i = 0; i < 4; i++) {
		s32 mind = 40;
		u8 minvcm = 0;
		s32 minpoll = 249;
		s32 curr;
		for (j = 0; j < 4; j++) {
			if (type == 2)
				curr = abs(results[j][i]);
			else
				curr = abs(miniq[j][i / 2] - code * 8);

			if (curr < mind) {
				mind = curr;
				minvcm = j;
			}

			if (results[j][i] < minpoll)
				minpoll = results[j][i];
		}
		results_min[i] = minpoll;
		vcm_final[i] = minvcm;
	}

	if (type != 1)
		b43_nphy_set_rssi_2055_vcm(dev, type, vcm_final);

	for (i = 0; i < 4; i++) {
		offset[i] = (code * 8) - results[vcm_final[i]][i];

		if (offset[i] < 0)
			offset[i] = -((abs(offset[i]) + 4) / 8);
		else
			offset[i] = (offset[i] + 4) / 8;

		if (results_min[i] == 248)
			offset[i] = code - 32;

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Rafał Miłecki 已提交
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		core = (i / 2) ? 2 : 1;
		rail = (i % 2) ? 1 : 0;

		b43_nphy_scale_offset_rssi(dev, 0, offset[i], core, rail,
						type);
2772 2773 2774
	}

	b43_radio_maskset(dev, B2055_C1_PD_RSSIMISC, 0xF8, state[0]);
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Rafał Miłecki 已提交
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	b43_radio_maskset(dev, B2055_C2_PD_RSSIMISC, 0xF8, state[1]);
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	switch (state[2]) {
	case 1:
		b43_nphy_rssi_select(dev, 1, 2);
		break;
	case 4:
		b43_nphy_rssi_select(dev, 1, 0);
		break;
	case 2:
		b43_nphy_rssi_select(dev, 1, 1);
		break;
	default:
		b43_nphy_rssi_select(dev, 1, 1);
		break;
	}

	switch (state[3]) {
	case 1:
		b43_nphy_rssi_select(dev, 2, 2);
		break;
	case 4:
		b43_nphy_rssi_select(dev, 2, 0);
		break;
	default:
		b43_nphy_rssi_select(dev, 2, 1);
		break;
	}

	b43_nphy_rssi_select(dev, 0, type);

	b43_phy_write(dev, B43_NPHY_RFCTL_INTC1, regs_save_phy[0]);
	b43_radio_write16(dev, B2055_C1_PD_RXTX, regs_save_radio[0]);
	b43_phy_write(dev, B43_NPHY_RFCTL_INTC2, regs_save_phy[1]);
	b43_radio_write16(dev, B2055_C2_PD_RXTX, regs_save_radio[1]);

	b43_nphy_classifier(dev, 7, class);
	b43_nphy_write_clip_detection(dev, clip_state);
2813 2814 2815
	/* Specs don't say about reset here, but it makes wl and b43 dumps
	   identical, it really seems wl performs this */
	b43_nphy_reset_cca(dev);
2816 2817 2818 2819 2820 2821 2822 2823 2824 2825 2826 2827 2828 2829 2830 2831 2832
}

/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/RSSICalRev3 */
static void b43_nphy_rev3_rssi_cal(struct b43_wldev *dev)
{
	/* TODO */
}

/*
 * RSSI Calibration
 * http://bcm-v4.sipsolutions.net/802.11/PHY/N/RSSICal
 */
static void b43_nphy_rssi_cal(struct b43_wldev *dev)
{
	if (dev->phy.rev >= 3) {
		b43_nphy_rev3_rssi_cal(dev);
	} else {
2833 2834 2835
		b43_nphy_rev2_rssi_cal(dev, B43_NPHY_RSSI_Z);
		b43_nphy_rev2_rssi_cal(dev, B43_NPHY_RSSI_X);
		b43_nphy_rev2_rssi_cal(dev, B43_NPHY_RSSI_Y);
2836
	}
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Michael Buesch 已提交
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}

2839 2840 2841 2842 2843 2844 2845 2846 2847 2848 2849 2850
/*
 * Restore RSSI Calibration
 * http://bcm-v4.sipsolutions.net/802.11/PHY/N/RestoreRssiCal
 */
static void b43_nphy_restore_rssi_cal(struct b43_wldev *dev)
{
	struct b43_phy_n *nphy = dev->phy.n;

	u16 *rssical_radio_regs = NULL;
	u16 *rssical_phy_regs = NULL;

	if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ) {
2851
		if (!nphy->rssical_chanspec_2G.center_freq)
2852 2853 2854 2855
			return;
		rssical_radio_regs = nphy->rssical_cache.rssical_radio_regs_2G;
		rssical_phy_regs = nphy->rssical_cache.rssical_phy_regs_2G;
	} else {
2856
		if (!nphy->rssical_chanspec_5G.center_freq)
2857 2858 2859 2860 2861 2862 2863 2864 2865 2866 2867 2868 2869 2870 2871 2872 2873 2874 2875 2876 2877 2878 2879 2880 2881
			return;
		rssical_radio_regs = nphy->rssical_cache.rssical_radio_regs_5G;
		rssical_phy_regs = nphy->rssical_cache.rssical_phy_regs_5G;
	}

	/* TODO use some definitions */
	b43_radio_maskset(dev, 0x602B, 0xE3, rssical_radio_regs[0]);
	b43_radio_maskset(dev, 0x702B, 0xE3, rssical_radio_regs[1]);

	b43_phy_write(dev, B43_NPHY_RSSIMC_0I_RSSI_Z, rssical_phy_regs[0]);
	b43_phy_write(dev, B43_NPHY_RSSIMC_0Q_RSSI_Z, rssical_phy_regs[1]);
	b43_phy_write(dev, B43_NPHY_RSSIMC_1I_RSSI_Z, rssical_phy_regs[2]);
	b43_phy_write(dev, B43_NPHY_RSSIMC_1Q_RSSI_Z, rssical_phy_regs[3]);

	b43_phy_write(dev, B43_NPHY_RSSIMC_0I_RSSI_X, rssical_phy_regs[4]);
	b43_phy_write(dev, B43_NPHY_RSSIMC_0Q_RSSI_X, rssical_phy_regs[5]);
	b43_phy_write(dev, B43_NPHY_RSSIMC_1I_RSSI_X, rssical_phy_regs[6]);
	b43_phy_write(dev, B43_NPHY_RSSIMC_1Q_RSSI_X, rssical_phy_regs[7]);

	b43_phy_write(dev, B43_NPHY_RSSIMC_0I_RSSI_Y, rssical_phy_regs[8]);
	b43_phy_write(dev, B43_NPHY_RSSIMC_0Q_RSSI_Y, rssical_phy_regs[9]);
	b43_phy_write(dev, B43_NPHY_RSSIMC_1I_RSSI_Y, rssical_phy_regs[10]);
	b43_phy_write(dev, B43_NPHY_RSSIMC_1Q_RSSI_Y, rssical_phy_regs[11]);
}

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/* 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;
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	u16 tmp;
	u8 offset, i;
2889 2890

	if (dev->phy.rev >= 3) {
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	    for (i = 0; i < 2; i++) {
		tmp = (i == 0) ? 0x2000 : 0x3000;
		offset = i * 11;

		save[offset + 0] = b43_radio_read16(dev, B2055_CAL_RVARCTL);
		save[offset + 1] = b43_radio_read16(dev, B2055_CAL_LPOCTL);
		save[offset + 2] = b43_radio_read16(dev, B2055_CAL_TS);
		save[offset + 3] = b43_radio_read16(dev, B2055_CAL_RCCALRTS);
		save[offset + 4] = b43_radio_read16(dev, B2055_CAL_RCALRTS);
		save[offset + 5] = b43_radio_read16(dev, B2055_PADDRV);
		save[offset + 6] = b43_radio_read16(dev, B2055_XOCTL1);
		save[offset + 7] = b43_radio_read16(dev, B2055_XOCTL2);
		save[offset + 8] = b43_radio_read16(dev, B2055_XOREGUL);
		save[offset + 9] = b43_radio_read16(dev, B2055_XOMISC);
		save[offset + 10] = b43_radio_read16(dev, B2055_PLL_LFC1);

		if (b43_current_band(dev->wl) == IEEE80211_BAND_5GHZ) {
			b43_radio_write16(dev, tmp | B2055_CAL_RVARCTL, 0x0A);
			b43_radio_write16(dev, tmp | B2055_CAL_LPOCTL, 0x40);
			b43_radio_write16(dev, tmp | B2055_CAL_TS, 0x55);
			b43_radio_write16(dev, tmp | B2055_CAL_RCCALRTS, 0);
			b43_radio_write16(dev, tmp | B2055_CAL_RCALRTS, 0);
			if (nphy->ipa5g_on) {
				b43_radio_write16(dev, tmp | B2055_PADDRV, 4);
				b43_radio_write16(dev, tmp | B2055_XOCTL1, 1);
			} else {
				b43_radio_write16(dev, tmp | B2055_PADDRV, 0);
				b43_radio_write16(dev, tmp | B2055_XOCTL1, 0x2F);
			}
			b43_radio_write16(dev, tmp | B2055_XOCTL2, 0);
		} else {
			b43_radio_write16(dev, tmp | B2055_CAL_RVARCTL, 0x06);
			b43_radio_write16(dev, tmp | B2055_CAL_LPOCTL, 0x40);
			b43_radio_write16(dev, tmp | B2055_CAL_TS, 0x55);
			b43_radio_write16(dev, tmp | B2055_CAL_RCCALRTS, 0);
			b43_radio_write16(dev, tmp | B2055_CAL_RCALRTS, 0);
			b43_radio_write16(dev, tmp | B2055_XOCTL1, 0);
			if (nphy->ipa2g_on) {
				b43_radio_write16(dev, tmp | B2055_PADDRV, 6);
				b43_radio_write16(dev, tmp | B2055_XOCTL2,
					(dev->phy.rev < 5) ? 0x11 : 0x01);
			} else {
				b43_radio_write16(dev, tmp | B2055_PADDRV, 0);
				b43_radio_write16(dev, tmp | B2055_XOCTL2, 0);
			}
		}
		b43_radio_write16(dev, tmp | B2055_XOREGUL, 0);
		b43_radio_write16(dev, tmp | B2055_XOMISC, 0);
		b43_radio_write16(dev, tmp | B2055_PLL_LFC1, 0);
	    }
2941 2942 2943 2944 2945 2946 2947 2948 2949 2950 2951 2952 2953 2954 2955 2956 2957 2958 2959 2960 2961 2962 2963 2964 2965 2966 2967 2968 2969 2970 2971 2972 2973 2974 2975
	} 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);
		}
	}
}

2976 2977 2978 2979 2980 2981 2982 2983 2984 2985 2986 2987 2988 2989 2990 2991 2992 2993 2994 2995 2996 2997 2998 2999 3000 3001 3002 3003 3004 3005 3006 3007 3008 3009 3010 3011 3012 3013
/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/IqCalGainParams */
static void b43_nphy_iq_cal_gain_params(struct b43_wldev *dev, u16 core,
					struct nphy_txgains target,
					struct nphy_iqcal_params *params)
{
	int i, j, indx;
	u16 gain;

	if (dev->phy.rev >= 3) {
		params->txgm = target.txgm[core];
		params->pga = target.pga[core];
		params->pad = target.pad[core];
		params->ipa = target.ipa[core];
		params->cal_gain = (params->txgm << 12) | (params->pga << 8) |
					(params->pad << 4) | (params->ipa);
		for (j = 0; j < 5; j++)
			params->ncorr[j] = 0x79;
	} else {
		gain = (target.pad[core]) | (target.pga[core] << 4) |
			(target.txgm[core] << 8);

		indx = (b43_current_band(dev->wl) == IEEE80211_BAND_5GHZ) ?
			1 : 0;
		for (i = 0; i < 9; i++)
			if (tbl_iqcal_gainparams[indx][i][0] == gain)
				break;
		i = min(i, 8);

		params->txgm = tbl_iqcal_gainparams[indx][i][1];
		params->pga = tbl_iqcal_gainparams[indx][i][2];
		params->pad = tbl_iqcal_gainparams[indx][i][3];
		params->cal_gain = (params->txgm << 7) | (params->pga << 4) |
					(params->pad << 2);
		for (j = 0; j < 4; j++)
			params->ncorr[j] = tbl_iqcal_gainparams[indx][i][4 + j];
	}
}

3014 3015 3016 3017 3018 3019 3020 3021 3022 3023 3024 3025 3026 3027 3028
/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/UpdateTxCalLadder */
static void b43_nphy_update_tx_cal_ladder(struct b43_wldev *dev, u16 core)
{
	struct b43_phy_n *nphy = dev->phy.n;
	int i;
	u16 scale, entry;

	u16 tmp = nphy->txcal_bbmult;
	if (core == 0)
		tmp >>= 8;
	tmp &= 0xff;

	for (i = 0; i < 18; i++) {
		scale = (ladder_lo[i].percent * tmp) / 100;
		entry = ((scale & 0xFF) << 8) | ladder_lo[i].g_env;
3029
		b43_ntab_write(dev, B43_NTAB16(15, i), entry);
3030 3031 3032

		scale = (ladder_iq[i].percent * tmp) / 100;
		entry = ((scale & 0xFF) << 8) | ladder_iq[i].g_env;
3033
		b43_ntab_write(dev, B43_NTAB16(15, i + 32), entry);
3034 3035 3036
	}
}

3037 3038 3039 3040 3041 3042 3043 3044 3045 3046 3047 3048 3049 3050
/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/ExtPaSetTxDigiFilts */
static void b43_nphy_ext_pa_set_tx_dig_filters(struct b43_wldev *dev)
{
	int i;
	for (i = 0; i < 15; i++)
		b43_phy_write(dev, B43_PHY_N(0x2C5 + i),
				tbl_tx_filter_coef_rev4[2][i]);
}

/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/IpaSetTxDigiFilts */
static void b43_nphy_int_pa_set_tx_dig_filters(struct b43_wldev *dev)
{
	int i, j;
	/* B43_NPHY_TXF_20CO_S0A1, B43_NPHY_TXF_40CO_S0A1, unknown */
J
Joe Perches 已提交
3051
	static const u16 offset[] = { 0x186, 0x195, 0x2C5 };
3052 3053 3054 3055 3056 3057 3058 3059 3060 3061 3062 3063 3064 3065 3066 3067 3068 3069 3070 3071 3072 3073

	for (i = 0; i < 3; i++)
		for (j = 0; j < 15; j++)
			b43_phy_write(dev, B43_PHY_N(offset[i] + j),
					tbl_tx_filter_coef_rev4[i][j]);

	if (dev->phy.is_40mhz) {
		for (j = 0; j < 15; j++)
			b43_phy_write(dev, B43_PHY_N(offset[0] + j),
					tbl_tx_filter_coef_rev4[3][j]);
	} else if (b43_current_band(dev->wl) == IEEE80211_BAND_5GHZ) {
		for (j = 0; j < 15; j++)
			b43_phy_write(dev, B43_PHY_N(offset[0] + j),
					tbl_tx_filter_coef_rev4[5][j]);
	}

	if (dev->phy.channel == 14)
		for (j = 0; j < 15; j++)
			b43_phy_write(dev, B43_PHY_N(offset[0] + j),
					tbl_tx_filter_coef_rev4[6][j]);
}

3074 3075 3076 3077 3078 3079 3080 3081 3082
/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/GetTxGain */
static struct nphy_txgains b43_nphy_get_tx_gains(struct b43_wldev *dev)
{
	struct b43_phy_n *nphy = dev->phy.n;

	u16 curr_gain[2];
	struct nphy_txgains target;
	const u32 *table = NULL;

3083
	if (!nphy->txpwrctrl) {
3084 3085 3086 3087
		int i;

		if (nphy->hang_avoid)
			b43_nphy_stay_in_carrier_search(dev, true);
3088
		b43_ntab_read_bulk(dev, B43_NTAB16(7, 0x110), 2, curr_gain);
3089 3090 3091 3092 3093 3094 3095 3096 3097 3098 3099 3100 3101 3102 3103 3104 3105 3106 3107 3108 3109 3110 3111 3112 3113 3114 3115 3116 3117 3118 3119
		if (nphy->hang_avoid)
			b43_nphy_stay_in_carrier_search(dev, false);

		for (i = 0; i < 2; ++i) {
			if (dev->phy.rev >= 3) {
				target.ipa[i] = curr_gain[i] & 0x000F;
				target.pad[i] = (curr_gain[i] & 0x00F0) >> 4;
				target.pga[i] = (curr_gain[i] & 0x0F00) >> 8;
				target.txgm[i] = (curr_gain[i] & 0x7000) >> 12;
			} else {
				target.ipa[i] = curr_gain[i] & 0x0003;
				target.pad[i] = (curr_gain[i] & 0x000C) >> 2;
				target.pga[i] = (curr_gain[i] & 0x0070) >> 4;
				target.txgm[i] = (curr_gain[i] & 0x0380) >> 7;
			}
		}
	} else {
		int i;
		u16 index[2];
		index[0] = (b43_phy_read(dev, B43_NPHY_C1_TXPCTL_STAT) &
			B43_NPHY_TXPCTL_STAT_BIDX) >>
			B43_NPHY_TXPCTL_STAT_BIDX_SHIFT;
		index[1] = (b43_phy_read(dev, B43_NPHY_C2_TXPCTL_STAT) &
			B43_NPHY_TXPCTL_STAT_BIDX) >>
			B43_NPHY_TXPCTL_STAT_BIDX_SHIFT;

		for (i = 0; i < 2; ++i) {
			if (dev->phy.rev >= 3) {
				enum ieee80211_band band =
					b43_current_band(dev->wl);

3120
				if (b43_nphy_ipa(dev)) {
3121 3122 3123 3124 3125 3126 3127 3128 3129 3130 3131 3132 3133 3134 3135 3136 3137 3138 3139 3140 3141 3142 3143 3144 3145 3146 3147 3148 3149 3150 3151 3152
					table = b43_nphy_get_ipa_gain_table(dev);
				} else {
					if (band == IEEE80211_BAND_5GHZ) {
						if (dev->phy.rev == 3)
							table = b43_ntab_tx_gain_rev3_5ghz;
						else if (dev->phy.rev == 4)
							table = b43_ntab_tx_gain_rev4_5ghz;
						else
							table = b43_ntab_tx_gain_rev5plus_5ghz;
					} else {
						table = b43_ntab_tx_gain_rev3plus_2ghz;
					}
				}

				target.ipa[i] = (table[index[i]] >> 16) & 0xF;
				target.pad[i] = (table[index[i]] >> 20) & 0xF;
				target.pga[i] = (table[index[i]] >> 24) & 0xF;
				target.txgm[i] = (table[index[i]] >> 28) & 0xF;
			} else {
				table = b43_ntab_tx_gain_rev0_1_2;

				target.ipa[i] = (table[index[i]] >> 16) & 0x3;
				target.pad[i] = (table[index[i]] >> 18) & 0x3;
				target.pga[i] = (table[index[i]] >> 20) & 0x7;
				target.txgm[i] = (table[index[i]] >> 23) & 0x7;
			}
		}
	}

	return target;
}

3153 3154 3155 3156 3157 3158 3159 3160 3161 3162 3163
/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/TxCalPhyCleanup */
static void b43_nphy_tx_cal_phy_cleanup(struct b43_wldev *dev)
{
	u16 *regs = dev->phy.n->tx_rx_cal_phy_saveregs;

	if (dev->phy.rev >= 3) {
		b43_phy_write(dev, B43_NPHY_AFECTL_C1, regs[0]);
		b43_phy_write(dev, B43_NPHY_AFECTL_C2, regs[1]);
		b43_phy_write(dev, B43_NPHY_AFECTL_OVER1, regs[2]);
		b43_phy_write(dev, B43_NPHY_AFECTL_OVER, regs[3]);
		b43_phy_write(dev, B43_NPHY_BBCFG, regs[4]);
3164 3165
		b43_ntab_write(dev, B43_NTAB16(8, 3), regs[5]);
		b43_ntab_write(dev, B43_NTAB16(8, 19), regs[6]);
3166 3167 3168 3169 3170 3171 3172 3173 3174
		b43_phy_write(dev, B43_NPHY_RFCTL_INTC1, regs[7]);
		b43_phy_write(dev, B43_NPHY_RFCTL_INTC2, regs[8]);
		b43_phy_write(dev, B43_NPHY_PAPD_EN0, regs[9]);
		b43_phy_write(dev, B43_NPHY_PAPD_EN1, regs[10]);
		b43_nphy_reset_cca(dev);
	} else {
		b43_phy_maskset(dev, B43_NPHY_AFECTL_C1, 0x0FFF, regs[0]);
		b43_phy_maskset(dev, B43_NPHY_AFECTL_C2, 0x0FFF, regs[1]);
		b43_phy_write(dev, B43_NPHY_AFECTL_OVER, regs[2]);
3175 3176
		b43_ntab_write(dev, B43_NTAB16(8, 2), regs[3]);
		b43_ntab_write(dev, B43_NTAB16(8, 18), regs[4]);
3177 3178 3179 3180 3181 3182 3183 3184 3185 3186 3187 3188 3189 3190 3191 3192 3193 3194 3195 3196 3197 3198 3199 3200 3201 3202
		b43_phy_write(dev, B43_NPHY_RFCTL_INTC1, regs[5]);
		b43_phy_write(dev, B43_NPHY_RFCTL_INTC2, regs[6]);
	}
}

/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/TxCalPhySetup */
static void b43_nphy_tx_cal_phy_setup(struct b43_wldev *dev)
{
	u16 *regs = dev->phy.n->tx_rx_cal_phy_saveregs;
	u16 tmp;

	regs[0] = b43_phy_read(dev, B43_NPHY_AFECTL_C1);
	regs[1] = b43_phy_read(dev, B43_NPHY_AFECTL_C2);
	if (dev->phy.rev >= 3) {
		b43_phy_maskset(dev, B43_NPHY_AFECTL_C1, 0xF0FF, 0x0A00);
		b43_phy_maskset(dev, B43_NPHY_AFECTL_C2, 0xF0FF, 0x0A00);

		tmp = b43_phy_read(dev, B43_NPHY_AFECTL_OVER1);
		regs[2] = tmp;
		b43_phy_write(dev, B43_NPHY_AFECTL_OVER1, tmp | 0x0600);

		tmp = b43_phy_read(dev, B43_NPHY_AFECTL_OVER);
		regs[3] = tmp;
		b43_phy_write(dev, B43_NPHY_AFECTL_OVER, tmp | 0x0600);

		regs[4] = b43_phy_read(dev, B43_NPHY_BBCFG);
3203 3204
		b43_phy_mask(dev, B43_NPHY_BBCFG,
			     ~B43_NPHY_BBCFG_RSTRX & 0xFFFF);
3205

3206
		tmp = b43_ntab_read(dev, B43_NTAB16(8, 3));
3207
		regs[5] = tmp;
3208
		b43_ntab_write(dev, B43_NTAB16(8, 3), 0);
3209 3210

		tmp = b43_ntab_read(dev, B43_NTAB16(8, 19));
3211
		regs[6] = tmp;
3212
		b43_ntab_write(dev, B43_NTAB16(8, 19), 0);
3213 3214 3215
		regs[7] = b43_phy_read(dev, B43_NPHY_RFCTL_INTC1);
		regs[8] = b43_phy_read(dev, B43_NPHY_RFCTL_INTC2);

3216 3217 3218
		b43_nphy_rf_control_intc_override(dev, 2, 1, 3);
		b43_nphy_rf_control_intc_override(dev, 1, 2, 1);
		b43_nphy_rf_control_intc_override(dev, 1, 8, 2);
3219 3220 3221 3222 3223 3224 3225 3226 3227 3228 3229

		regs[9] = b43_phy_read(dev, B43_NPHY_PAPD_EN0);
		regs[10] = b43_phy_read(dev, B43_NPHY_PAPD_EN1);
		b43_phy_mask(dev, B43_NPHY_PAPD_EN0, ~0x0001);
		b43_phy_mask(dev, B43_NPHY_PAPD_EN1, ~0x0001);
	} else {
		b43_phy_maskset(dev, B43_NPHY_AFECTL_C1, 0x0FFF, 0xA000);
		b43_phy_maskset(dev, B43_NPHY_AFECTL_C2, 0x0FFF, 0xA000);
		tmp = b43_phy_read(dev, B43_NPHY_AFECTL_OVER);
		regs[2] = tmp;
		b43_phy_write(dev, B43_NPHY_AFECTL_OVER, tmp | 0x3000);
3230
		tmp = b43_ntab_read(dev, B43_NTAB16(8, 2));
3231 3232
		regs[3] = tmp;
		tmp |= 0x2000;
3233
		b43_ntab_write(dev, B43_NTAB16(8, 2), tmp);
3234
		tmp = b43_ntab_read(dev, B43_NTAB16(8, 18));
3235 3236
		regs[4] = tmp;
		tmp |= 0x2000;
3237
		b43_ntab_write(dev, B43_NTAB16(8, 18), tmp);
3238 3239 3240 3241 3242 3243 3244 3245 3246 3247 3248
		regs[5] = b43_phy_read(dev, B43_NPHY_RFCTL_INTC1);
		regs[6] = b43_phy_read(dev, B43_NPHY_RFCTL_INTC2);
		if (b43_current_band(dev->wl) == IEEE80211_BAND_5GHZ)
			tmp = 0x0180;
		else
			tmp = 0x0120;
		b43_phy_write(dev, B43_NPHY_RFCTL_INTC1, tmp);
		b43_phy_write(dev, B43_NPHY_RFCTL_INTC2, tmp);
	}
}

3249 3250 3251 3252 3253 3254 3255
/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/SaveCal */
static void b43_nphy_save_cal(struct b43_wldev *dev)
{
	struct b43_phy_n *nphy = dev->phy.n;

	struct b43_phy_n_iq_comp *rxcal_coeffs = NULL;
	u16 *txcal_radio_regs = NULL;
3256
	struct b43_chanspec *iqcal_chanspec;
3257 3258 3259 3260 3261 3262 3263 3264 3265 3266 3267 3268 3269 3270 3271 3272 3273 3274 3275 3276 3277 3278 3279 3280 3281 3282 3283 3284 3285 3286 3287 3288 3289 3290
	u16 *table = NULL;

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

	if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ) {
		rxcal_coeffs = &nphy->cal_cache.rxcal_coeffs_2G;
		txcal_radio_regs = nphy->cal_cache.txcal_radio_regs_2G;
		iqcal_chanspec = &nphy->iqcal_chanspec_2G;
		table = nphy->cal_cache.txcal_coeffs_2G;
	} else {
		rxcal_coeffs = &nphy->cal_cache.rxcal_coeffs_5G;
		txcal_radio_regs = nphy->cal_cache.txcal_radio_regs_5G;
		iqcal_chanspec = &nphy->iqcal_chanspec_5G;
		table = nphy->cal_cache.txcal_coeffs_5G;
	}

	b43_nphy_rx_iq_coeffs(dev, false, rxcal_coeffs);
	/* TODO use some definitions */
	if (dev->phy.rev >= 3) {
		txcal_radio_regs[0] = b43_radio_read(dev, 0x2021);
		txcal_radio_regs[1] = b43_radio_read(dev, 0x2022);
		txcal_radio_regs[2] = b43_radio_read(dev, 0x3021);
		txcal_radio_regs[3] = b43_radio_read(dev, 0x3022);
		txcal_radio_regs[4] = b43_radio_read(dev, 0x2023);
		txcal_radio_regs[5] = b43_radio_read(dev, 0x2024);
		txcal_radio_regs[6] = b43_radio_read(dev, 0x3023);
		txcal_radio_regs[7] = b43_radio_read(dev, 0x3024);
	} else {
		txcal_radio_regs[0] = b43_radio_read(dev, 0x8B);
		txcal_radio_regs[1] = b43_radio_read(dev, 0xBA);
		txcal_radio_regs[2] = b43_radio_read(dev, 0x8D);
		txcal_radio_regs[3] = b43_radio_read(dev, 0xBC);
	}
3291 3292
	iqcal_chanspec->center_freq = dev->phy.channel_freq;
	iqcal_chanspec->channel_type = dev->phy.channel_type;
3293
	b43_ntab_read_bulk(dev, B43_NTAB16(15, 80), 8, table);
3294 3295 3296 3297 3298

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

3299 3300 3301 3302 3303 3304 3305 3306 3307 3308 3309 3310 3311 3312
/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/RestoreCal */
static void b43_nphy_restore_cal(struct b43_wldev *dev)
{
	struct b43_phy_n *nphy = dev->phy.n;

	u16 coef[4];
	u16 *loft = NULL;
	u16 *table = NULL;

	int i;
	u16 *txcal_radio_regs = NULL;
	struct b43_phy_n_iq_comp *rxcal_coeffs = NULL;

	if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ) {
3313
		if (!nphy->iqcal_chanspec_2G.center_freq)
3314 3315 3316 3317
			return;
		table = nphy->cal_cache.txcal_coeffs_2G;
		loft = &nphy->cal_cache.txcal_coeffs_2G[5];
	} else {
3318
		if (!nphy->iqcal_chanspec_5G.center_freq)
3319 3320 3321 3322 3323
			return;
		table = nphy->cal_cache.txcal_coeffs_5G;
		loft = &nphy->cal_cache.txcal_coeffs_5G[5];
	}

3324
	b43_ntab_write_bulk(dev, B43_NTAB16(15, 80), 4, table);
3325 3326 3327 3328 3329 3330 3331 3332

	for (i = 0; i < 4; i++) {
		if (dev->phy.rev >= 3)
			table[i] = coef[i];
		else
			coef[i] = 0;
	}

3333 3334 3335
	b43_ntab_write_bulk(dev, B43_NTAB16(15, 88), 4, coef);
	b43_ntab_write_bulk(dev, B43_NTAB16(15, 85), 2, loft);
	b43_ntab_write_bulk(dev, B43_NTAB16(15, 93), 2, loft);
3336 3337 3338 3339 3340 3341 3342 3343 3344 3345 3346 3347 3348 3349 3350 3351 3352 3353 3354 3355 3356 3357 3358 3359 3360 3361 3362 3363 3364 3365 3366

	if (dev->phy.rev < 2)
		b43_nphy_tx_iq_workaround(dev);

	if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ) {
		txcal_radio_regs = nphy->cal_cache.txcal_radio_regs_2G;
		rxcal_coeffs = &nphy->cal_cache.rxcal_coeffs_2G;
	} else {
		txcal_radio_regs = nphy->cal_cache.txcal_radio_regs_5G;
		rxcal_coeffs = &nphy->cal_cache.rxcal_coeffs_5G;
	}

	/* TODO use some definitions */
	if (dev->phy.rev >= 3) {
		b43_radio_write(dev, 0x2021, txcal_radio_regs[0]);
		b43_radio_write(dev, 0x2022, txcal_radio_regs[1]);
		b43_radio_write(dev, 0x3021, txcal_radio_regs[2]);
		b43_radio_write(dev, 0x3022, txcal_radio_regs[3]);
		b43_radio_write(dev, 0x2023, txcal_radio_regs[4]);
		b43_radio_write(dev, 0x2024, txcal_radio_regs[5]);
		b43_radio_write(dev, 0x3023, txcal_radio_regs[6]);
		b43_radio_write(dev, 0x3024, txcal_radio_regs[7]);
	} else {
		b43_radio_write(dev, 0x8B, txcal_radio_regs[0]);
		b43_radio_write(dev, 0xBA, txcal_radio_regs[1]);
		b43_radio_write(dev, 0x8D, txcal_radio_regs[2]);
		b43_radio_write(dev, 0xBC, txcal_radio_regs[3]);
	}
	b43_nphy_rx_iq_coeffs(dev, true, rxcal_coeffs);
}

3367 3368 3369 3370 3371 3372 3373 3374 3375 3376 3377
/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/CalTxIqlo */
static int b43_nphy_cal_tx_iq_lo(struct b43_wldev *dev,
				struct nphy_txgains target,
				bool full, bool mphase)
{
	struct b43_phy_n *nphy = dev->phy.n;
	int i;
	int error = 0;
	int freq;
	bool avoid = false;
	u8 length;
3378
	u16 tmp, core, type, count, max, numb, last = 0, cmd;
3379 3380 3381 3382 3383 3384 3385 3386 3387 3388 3389 3390 3391 3392 3393 3394 3395
	const u16 *table;
	bool phy6or5x;

	u16 buffer[11];
	u16 diq_start = 0;
	u16 save[2];
	u16 gain[2];
	struct nphy_iqcal_params params[2];
	bool updated[2] = { };

	b43_nphy_stay_in_carrier_search(dev, true);

	if (dev->phy.rev >= 4) {
		avoid = nphy->hang_avoid;
		nphy->hang_avoid = 0;
	}

3396
	b43_ntab_read_bulk(dev, B43_NTAB16(7, 0x110), 2, save);
3397 3398 3399 3400 3401

	for (i = 0; i < 2; i++) {
		b43_nphy_iq_cal_gain_params(dev, i, target, &params[i]);
		gain[i] = params[i].cal_gain;
	}
3402 3403

	b43_ntab_write_bulk(dev, B43_NTAB16(7, 0x110), 2, gain);
3404 3405

	b43_nphy_tx_cal_radio_setup(dev);
3406
	b43_nphy_tx_cal_phy_setup(dev);
3407 3408 3409 3410 3411

	phy6or5x = dev->phy.rev >= 6 ||
		(dev->phy.rev == 5 && nphy->ipa2g_on &&
		b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ);
	if (phy6or5x) {
3412 3413 3414 3415 3416 3417 3418 3419 3420 3421 3422
		if (dev->phy.is_40mhz) {
			b43_ntab_write_bulk(dev, B43_NTAB16(15, 0), 18,
					tbl_tx_iqlo_cal_loft_ladder_40);
			b43_ntab_write_bulk(dev, B43_NTAB16(15, 32), 18,
					tbl_tx_iqlo_cal_iqimb_ladder_40);
		} else {
			b43_ntab_write_bulk(dev, B43_NTAB16(15, 0), 18,
					tbl_tx_iqlo_cal_loft_ladder_20);
			b43_ntab_write_bulk(dev, B43_NTAB16(15, 32), 18,
					tbl_tx_iqlo_cal_iqimb_ladder_20);
		}
3423 3424 3425 3426
	}

	b43_phy_write(dev, B43_NPHY_IQLOCAL_CMDGCTL, 0x8AA9);

R
Rafał Miłecki 已提交
3427
	if (!dev->phy.is_40mhz)
3428 3429 3430 3431 3432
		freq = 2500;
	else
		freq = 5000;

	if (nphy->mphase_cal_phase_id > 2)
3433 3434
		b43_nphy_run_samples(dev, (dev->phy.is_40mhz ? 40 : 20) * 8,
					0xFFFF, 0, true, false);
3435
	else
R
Rafał Miłecki 已提交
3436
		error = b43_nphy_tx_tone(dev, freq, 250, true, false);
3437 3438 3439 3440 3441 3442 3443 3444 3445 3446 3447 3448 3449 3450 3451 3452 3453 3454 3455 3456 3457 3458 3459 3460 3461

	if (error == 0) {
		if (nphy->mphase_cal_phase_id > 2) {
			table = nphy->mphase_txcal_bestcoeffs;
			length = 11;
			if (dev->phy.rev < 3)
				length -= 2;
		} else {
			if (!full && nphy->txiqlocal_coeffsvalid) {
				table = nphy->txiqlocal_bestc;
				length = 11;
				if (dev->phy.rev < 3)
					length -= 2;
			} else {
				full = true;
				if (dev->phy.rev >= 3) {
					table = tbl_tx_iqlo_cal_startcoefs_nphyrev3;
					length = B43_NTAB_TX_IQLO_CAL_STARTCOEFS_REV3;
				} else {
					table = tbl_tx_iqlo_cal_startcoefs;
					length = B43_NTAB_TX_IQLO_CAL_STARTCOEFS;
				}
			}
		}

3462
		b43_ntab_write_bulk(dev, B43_NTAB16(15, 64), length, table);
3463 3464 3465 3466 3467 3468 3469 3470 3471 3472 3473 3474 3475 3476 3477 3478 3479 3480 3481 3482 3483 3484 3485 3486 3487 3488 3489 3490 3491 3492 3493 3494 3495 3496 3497 3498 3499 3500 3501 3502 3503 3504 3505 3506 3507 3508 3509

		if (full) {
			if (dev->phy.rev >= 3)
				max = B43_NTAB_TX_IQLO_CAL_CMDS_FULLCAL_REV3;
			else
				max = B43_NTAB_TX_IQLO_CAL_CMDS_FULLCAL;
		} else {
			if (dev->phy.rev >= 3)
				max = B43_NTAB_TX_IQLO_CAL_CMDS_RECAL_REV3;
			else
				max = B43_NTAB_TX_IQLO_CAL_CMDS_RECAL;
		}

		if (mphase) {
			count = nphy->mphase_txcal_cmdidx;
			numb = min(max,
				(u16)(count + nphy->mphase_txcal_numcmds));
		} else {
			count = 0;
			numb = max;
		}

		for (; count < numb; count++) {
			if (full) {
				if (dev->phy.rev >= 3)
					cmd = tbl_tx_iqlo_cal_cmds_fullcal_nphyrev3[count];
				else
					cmd = tbl_tx_iqlo_cal_cmds_fullcal[count];
			} else {
				if (dev->phy.rev >= 3)
					cmd = tbl_tx_iqlo_cal_cmds_recal_nphyrev3[count];
				else
					cmd = tbl_tx_iqlo_cal_cmds_recal[count];
			}

			core = (cmd & 0x3000) >> 12;
			type = (cmd & 0x0F00) >> 8;

			if (phy6or5x && updated[core] == 0) {
				b43_nphy_update_tx_cal_ladder(dev, core);
				updated[core] = 1;
			}

			tmp = (params[core].ncorr[type] << 8) | 0x66;
			b43_phy_write(dev, B43_NPHY_IQLOCAL_CMDNNUM, tmp);

			if (type == 1 || type == 3 || type == 4) {
3510 3511
				buffer[0] = b43_ntab_read(dev,
						B43_NTAB16(15, 69 + core));
3512 3513
				diq_start = buffer[0];
				buffer[0] = 0;
3514 3515
				b43_ntab_write(dev, B43_NTAB16(15, 69 + core),
						0);
3516 3517 3518 3519 3520 3521 3522 3523 3524 3525
			}

			b43_phy_write(dev, B43_NPHY_IQLOCAL_CMD, cmd);
			for (i = 0; i < 2000; i++) {
				tmp = b43_phy_read(dev, B43_NPHY_IQLOCAL_CMD);
				if (tmp & 0xC000)
					break;
				udelay(10);
			}

3526 3527
			b43_ntab_read_bulk(dev, B43_NTAB16(15, 96), length,
						buffer);
3528 3529
			b43_ntab_write_bulk(dev, B43_NTAB16(15, 64), length,
						buffer);
3530 3531 3532 3533 3534 3535 3536 3537 3538 3539 3540

			if (type == 1 || type == 3 || type == 4)
				buffer[0] = diq_start;
		}

		if (mphase)
			nphy->mphase_txcal_cmdidx = (numb >= max) ? 0 : numb;

		last = (dev->phy.rev < 3) ? 6 : 7;

		if (!mphase || nphy->mphase_cal_phase_id == last) {
3541
			b43_ntab_write_bulk(dev, B43_NTAB16(15, 96), 4, buffer);
3542
			b43_ntab_read_bulk(dev, B43_NTAB16(15, 80), 4, buffer);
3543 3544 3545 3546 3547 3548
			if (dev->phy.rev < 3) {
				buffer[0] = 0;
				buffer[1] = 0;
				buffer[2] = 0;
				buffer[3] = 0;
			}
3549 3550
			b43_ntab_write_bulk(dev, B43_NTAB16(15, 88), 4,
						buffer);
3551
			b43_ntab_read_bulk(dev, B43_NTAB16(15, 101), 2,
3552 3553 3554 3555 3556
						buffer);
			b43_ntab_write_bulk(dev, B43_NTAB16(15, 85), 2,
						buffer);
			b43_ntab_write_bulk(dev, B43_NTAB16(15, 93), 2,
						buffer);
3557 3558 3559
			length = 11;
			if (dev->phy.rev < 3)
				length -= 2;
3560 3561
			b43_ntab_read_bulk(dev, B43_NTAB16(15, 96), length,
						nphy->txiqlocal_bestc);
3562
			nphy->txiqlocal_coeffsvalid = true;
3563 3564 3565 3566
			nphy->txiqlocal_chanspec.center_freq =
							dev->phy.channel_freq;
			nphy->txiqlocal_chanspec.channel_type =
							dev->phy.channel_type;
3567 3568 3569 3570
		} else {
			length = 11;
			if (dev->phy.rev < 3)
				length -= 2;
3571 3572
			b43_ntab_read_bulk(dev, B43_NTAB16(15, 96), length,
						nphy->mphase_txcal_bestcoeffs);
3573 3574
		}

3575
		b43_nphy_stop_playback(dev);
3576 3577 3578
		b43_phy_write(dev, B43_NPHY_IQLOCAL_CMDGCTL, 0);
	}

3579
	b43_nphy_tx_cal_phy_cleanup(dev);
3580
	b43_ntab_write_bulk(dev, B43_NTAB16(7, 0x110), 2, save);
3581 3582 3583 3584 3585 3586 3587 3588 3589 3590 3591 3592

	if (dev->phy.rev < 2 && (!mphase || nphy->mphase_cal_phase_id == last))
		b43_nphy_tx_iq_workaround(dev);

	if (dev->phy.rev >= 4)
		nphy->hang_avoid = avoid;

	b43_nphy_stay_in_carrier_search(dev, false);

	return error;
}

3593 3594 3595 3596 3597 3598 3599 3600
/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/ReapplyTxCalCoeffs */
static void b43_nphy_reapply_tx_cal_coeffs(struct b43_wldev *dev)
{
	struct b43_phy_n *nphy = dev->phy.n;
	u8 i;
	u16 buffer[7];
	bool equal = true;

3601
	if (!nphy->txiqlocal_coeffsvalid ||
3602 3603
	    nphy->txiqlocal_chanspec.center_freq != dev->phy.channel_freq ||
	    nphy->txiqlocal_chanspec.channel_type != dev->phy.channel_type)
3604 3605 3606 3607 3608 3609 3610 3611 3612 3613 3614 3615 3616 3617 3618 3619 3620 3621 3622 3623 3624 3625 3626 3627
		return;

	b43_ntab_read_bulk(dev, B43_NTAB16(15, 80), 7, buffer);
	for (i = 0; i < 4; i++) {
		if (buffer[i] != nphy->txiqlocal_bestc[i]) {
			equal = false;
			break;
		}
	}

	if (!equal) {
		b43_ntab_write_bulk(dev, B43_NTAB16(15, 80), 4,
					nphy->txiqlocal_bestc);
		for (i = 0; i < 4; i++)
			buffer[i] = 0;
		b43_ntab_write_bulk(dev, B43_NTAB16(15, 88), 4,
					buffer);
		b43_ntab_write_bulk(dev, B43_NTAB16(15, 85), 2,
					&nphy->txiqlocal_bestc[5]);
		b43_ntab_write_bulk(dev, B43_NTAB16(15, 93), 2,
					&nphy->txiqlocal_bestc[5]);
	}
}

3628 3629 3630 3631 3632 3633 3634 3635 3636
/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/CalRxIqRev2 */
static int b43_nphy_rev2_cal_rx_iq(struct b43_wldev *dev,
			struct nphy_txgains target, u8 type, bool debug)
{
	struct b43_phy_n *nphy = dev->phy.n;
	int i, j, index;
	u8 rfctl[2];
	u8 afectl_core;
	u16 tmp[6];
R
Rafał Miłecki 已提交
3637
	u16 uninitialized_var(cur_hpf1), uninitialized_var(cur_hpf2), cur_lna;
3638 3639 3640 3641 3642 3643 3644 3645
	u32 real, imag;
	enum ieee80211_band band;

	u8 use;
	u16 cur_hpf;
	u16 lna[3] = { 3, 3, 1 };
	u16 hpf1[3] = { 7, 2, 0 };
	u16 hpf2[3] = { 2, 0, 0 };
3646
	u32 power[3] = { };
3647 3648 3649 3650 3651 3652 3653 3654 3655 3656 3657
	u16 gain_save[2];
	u16 cal_gain[2];
	struct nphy_iqcal_params cal_params[2];
	struct nphy_iq_est est;
	int ret = 0;
	bool playtone = true;
	int desired = 13;

	b43_nphy_stay_in_carrier_search(dev, 1);

	if (dev->phy.rev < 2)
3658
		b43_nphy_reapply_tx_cal_coeffs(dev);
3659
	b43_ntab_read_bulk(dev, B43_NTAB16(7, 0x110), 2, gain_save);
3660 3661 3662 3663
	for (i = 0; i < 2; i++) {
		b43_nphy_iq_cal_gain_params(dev, i, target, &cal_params[i]);
		cal_gain[i] = cal_params[i].cal_gain;
	}
3664
	b43_ntab_write_bulk(dev, B43_NTAB16(7, 0x110), 2, cal_gain);
3665 3666 3667 3668 3669 3670 3671 3672 3673 3674 3675 3676 3677 3678 3679 3680 3681 3682 3683

	for (i = 0; i < 2; i++) {
		if (i == 0) {
			rfctl[0] = B43_NPHY_RFCTL_INTC1;
			rfctl[1] = B43_NPHY_RFCTL_INTC2;
			afectl_core = B43_NPHY_AFECTL_C1;
		} else {
			rfctl[0] = B43_NPHY_RFCTL_INTC2;
			rfctl[1] = B43_NPHY_RFCTL_INTC1;
			afectl_core = B43_NPHY_AFECTL_C2;
		}

		tmp[1] = b43_phy_read(dev, B43_NPHY_RFSEQCA);
		tmp[2] = b43_phy_read(dev, afectl_core);
		tmp[3] = b43_phy_read(dev, B43_NPHY_AFECTL_OVER);
		tmp[4] = b43_phy_read(dev, rfctl[0]);
		tmp[5] = b43_phy_read(dev, rfctl[1]);

		b43_phy_maskset(dev, B43_NPHY_RFSEQCA,
3684
				~B43_NPHY_RFSEQCA_RXDIS & 0xFFFF,
3685 3686 3687 3688 3689 3690 3691 3692 3693 3694 3695 3696 3697 3698 3699 3700 3701 3702 3703 3704 3705 3706 3707 3708 3709 3710 3711 3712 3713 3714 3715 3716
				((1 - i) << B43_NPHY_RFSEQCA_RXDIS_SHIFT));
		b43_phy_maskset(dev, B43_NPHY_RFSEQCA, ~B43_NPHY_RFSEQCA_TXEN,
				(1 - i));
		b43_phy_set(dev, afectl_core, 0x0006);
		b43_phy_set(dev, B43_NPHY_AFECTL_OVER, 0x0006);

		band = b43_current_band(dev->wl);

		if (nphy->rxcalparams & 0xFF000000) {
			if (band == IEEE80211_BAND_5GHZ)
				b43_phy_write(dev, rfctl[0], 0x140);
			else
				b43_phy_write(dev, rfctl[0], 0x110);
		} else {
			if (band == IEEE80211_BAND_5GHZ)
				b43_phy_write(dev, rfctl[0], 0x180);
			else
				b43_phy_write(dev, rfctl[0], 0x120);
		}

		if (band == IEEE80211_BAND_5GHZ)
			b43_phy_write(dev, rfctl[1], 0x148);
		else
			b43_phy_write(dev, rfctl[1], 0x114);

		if (nphy->rxcalparams & 0x10000) {
			b43_radio_maskset(dev, B2055_C1_GENSPARE2, 0xFC,
					(i + 1));
			b43_radio_maskset(dev, B2055_C2_GENSPARE2, 0xFC,
					(2 - i));
		}

3717
		for (j = 0; j < 4; j++) {
3718 3719 3720 3721 3722 3723 3724 3725 3726 3727 3728 3729 3730 3731 3732 3733 3734 3735 3736 3737 3738 3739 3740 3741 3742 3743 3744 3745 3746 3747 3748 3749 3750
			if (j < 3) {
				cur_lna = lna[j];
				cur_hpf1 = hpf1[j];
				cur_hpf2 = hpf2[j];
			} else {
				if (power[1] > 10000) {
					use = 1;
					cur_hpf = cur_hpf1;
					index = 2;
				} else {
					if (power[0] > 10000) {
						use = 1;
						cur_hpf = cur_hpf1;
						index = 1;
					} else {
						index = 0;
						use = 2;
						cur_hpf = cur_hpf2;
					}
				}
				cur_lna = lna[index];
				cur_hpf1 = hpf1[index];
				cur_hpf2 = hpf2[index];
				cur_hpf += desired - hweight32(power[index]);
				cur_hpf = clamp_val(cur_hpf, 0, 10);
				if (use == 1)
					cur_hpf1 = cur_hpf;
				else
					cur_hpf2 = cur_hpf;
			}

			tmp[0] = ((cur_hpf2 << 8) | (cur_hpf1 << 4) |
					(cur_lna << 2));
3751 3752
			b43_nphy_rf_control_override(dev, 0x400, tmp[0], 3,
									false);
3753
			b43_nphy_force_rf_sequence(dev, B43_RFSEQ_RESET2RX);
3754
			b43_nphy_stop_playback(dev);
3755 3756

			if (playtone) {
R
Rafał Miłecki 已提交
3757 3758 3759
				ret = b43_nphy_tx_tone(dev, 4000,
						(nphy->rxcalparams & 0xFFFF),
						false, false);
3760 3761
				playtone = false;
			} else {
3762 3763
				b43_nphy_run_samples(dev, 160, 0xFFFF, 0,
							false, false);
3764 3765 3766 3767 3768 3769 3770 3771 3772 3773 3774 3775 3776 3777 3778 3779 3780
			}

			if (ret == 0) {
				if (j < 3) {
					b43_nphy_rx_iq_est(dev, &est, 1024, 32,
									false);
					if (i == 0) {
						real = est.i0_pwr;
						imag = est.q0_pwr;
					} else {
						real = est.i1_pwr;
						imag = est.q1_pwr;
					}
					power[i] = ((real + imag) / 1024) + 1;
				} else {
					b43_nphy_calc_rx_iq_comp(dev, 1 << i);
				}
3781
				b43_nphy_stop_playback(dev);
3782 3783 3784 3785 3786 3787 3788 3789 3790 3791 3792 3793 3794 3795 3796 3797 3798 3799
			}

			if (ret != 0)
				break;
		}

		b43_radio_mask(dev, B2055_C1_GENSPARE2, 0xFC);
		b43_radio_mask(dev, B2055_C2_GENSPARE2, 0xFC);
		b43_phy_write(dev, rfctl[1], tmp[5]);
		b43_phy_write(dev, rfctl[0], tmp[4]);
		b43_phy_write(dev, B43_NPHY_AFECTL_OVER, tmp[3]);
		b43_phy_write(dev, afectl_core, tmp[2]);
		b43_phy_write(dev, B43_NPHY_RFSEQCA, tmp[1]);

		if (ret != 0)
			break;
	}

3800
	b43_nphy_rf_control_override(dev, 0x400, 0, 3, true);
3801
	b43_nphy_force_rf_sequence(dev, B43_RFSEQ_RESET2RX);
3802
	b43_ntab_write_bulk(dev, B43_NTAB16(7, 0x110), 2, gain_save);
3803 3804 3805 3806 3807 3808 3809 3810 3811 3812 3813 3814 3815 3816 3817 3818 3819 3820 3821 3822 3823 3824

	b43_nphy_stay_in_carrier_search(dev, 0);

	return ret;
}

static int b43_nphy_rev3_cal_rx_iq(struct b43_wldev *dev,
			struct nphy_txgains target, u8 type, bool debug)
{
	return -1;
}

/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/CalRxIq */
static int b43_nphy_cal_rx_iq(struct b43_wldev *dev,
			struct nphy_txgains target, u8 type, bool debug)
{
	if (dev->phy.rev >= 3)
		return b43_nphy_rev3_cal_rx_iq(dev, target, type, debug);
	else
		return b43_nphy_rev2_cal_rx_iq(dev, target, type, debug);
}

3825 3826 3827 3828 3829
/* 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;
R
Rafał Miłecki 已提交
3830
	/* u16 buf[16]; it's rev3+ */
3831

3832 3833
	nphy->phyrxchain = mask;

3834 3835 3836 3837 3838 3839 3840 3841 3842 3843 3844
	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);

3845
	if ((mask & 0x3) != 0x3) {
3846 3847 3848 3849 3850 3851 3852 3853 3854 3855 3856 3857 3858 3859 3860 3861 3862 3863 3864
		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);
}

3865 3866 3867 3868
/*
 * Init N-PHY
 * http://bcm-v4.sipsolutions.net/802.11/PHY/Init/N
 */
3869 3870
int b43_phy_initn(struct b43_wldev *dev)
{
R
Rafał Miłecki 已提交
3871
	struct ssb_sprom *sprom = dev->dev->bus_sprom;
M
Michael Buesch 已提交
3872
	struct b43_phy *phy = &dev->phy;
3873 3874 3875
	struct b43_phy_n *nphy = phy->n;
	u8 tx_pwr_state;
	struct nphy_txgains target;
M
Michael Buesch 已提交
3876
	u16 tmp;
3877 3878 3879 3880 3881
	enum ieee80211_band tmp2;
	bool do_rssi_cal;

	u16 clip[2];
	bool do_cal = false;
M
Michael Buesch 已提交
3882

3883
	if ((dev->phy.rev >= 3) &&
R
Rafał Miłecki 已提交
3884
	   (sprom->boardflags_lo & B43_BFL_EXTLNA) &&
3885
	   (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ)) {
3886
		switch (dev->dev->bus_type) {
3887 3888 3889 3890 3891 3892
#ifdef CONFIG_B43_BCMA
		case B43_BUS_BCMA:
			bcma_cc_set32(&dev->dev->bdev->bus->drv_cc,
				      BCMA_CC_CHIPCTL, 0x40);
			break;
#endif
3893 3894 3895 3896 3897 3898 3899
#ifdef CONFIG_B43_SSB
		case B43_BUS_SSB:
			chipco_set32(&dev->dev->sdev->bus->chipco,
				     SSB_CHIPCO_CHIPCTL, 0x40);
			break;
#endif
		}
3900 3901
	}
	nphy->deaf_count = 0;
M
Michael Buesch 已提交
3902
	b43_nphy_tables_init(dev);
3903 3904
	nphy->crsminpwr_adjusted = false;
	nphy->noisevars_adjusted = false;
M
Michael Buesch 已提交
3905 3906

	/* Clear all overrides */
3907 3908 3909 3910 3911 3912 3913 3914
	if (dev->phy.rev >= 3) {
		b43_phy_write(dev, B43_NPHY_TXF_40CO_B1S1, 0);
		b43_phy_write(dev, B43_NPHY_RFCTL_OVER, 0);
		b43_phy_write(dev, B43_NPHY_TXF_40CO_B1S0, 0);
		b43_phy_write(dev, B43_NPHY_TXF_40CO_B32S1, 0);
	} else {
		b43_phy_write(dev, B43_NPHY_RFCTL_OVER, 0);
	}
M
Michael Buesch 已提交
3915 3916
	b43_phy_write(dev, B43_NPHY_RFCTL_INTC1, 0);
	b43_phy_write(dev, B43_NPHY_RFCTL_INTC2, 0);
3917 3918 3919 3920
	if (dev->phy.rev < 6) {
		b43_phy_write(dev, B43_NPHY_RFCTL_INTC3, 0);
		b43_phy_write(dev, B43_NPHY_RFCTL_INTC4, 0);
	}
M
Michael Buesch 已提交
3921 3922 3923
	b43_phy_mask(dev, B43_NPHY_RFSEQMODE,
		     ~(B43_NPHY_RFSEQMODE_CAOVER |
		       B43_NPHY_RFSEQMODE_TROVER));
3924 3925
	if (dev->phy.rev >= 3)
		b43_phy_write(dev, B43_NPHY_AFECTL_OVER1, 0);
M
Michael Buesch 已提交
3926 3927
	b43_phy_write(dev, B43_NPHY_AFECTL_OVER, 0);

3928 3929 3930 3931 3932 3933
	if (dev->phy.rev <= 2) {
		tmp = (dev->phy.rev == 2) ? 0x3B : 0x40;
		b43_phy_maskset(dev, B43_NPHY_BPHY_CTL3,
				~B43_NPHY_BPHY_CTL3_SCALE,
				tmp << B43_NPHY_BPHY_CTL3_SCALE_SHIFT);
	}
M
Michael Buesch 已提交
3934 3935 3936
	b43_phy_write(dev, B43_NPHY_AFESEQ_TX2RX_PUD_20M, 0x20);
	b43_phy_write(dev, B43_NPHY_AFESEQ_TX2RX_PUD_40M, 0x20);

3937
	if (sprom->boardflags2_lo & B43_BFL2_SKWRKFEM_BRD ||
R
Rafał Miłecki 已提交
3938 3939
	    (dev->dev->board_vendor == PCI_VENDOR_ID_APPLE &&
	     dev->dev->board_type == 0x8B))
3940 3941 3942 3943 3944 3945
		b43_phy_write(dev, B43_NPHY_TXREALFD, 0xA0);
	else
		b43_phy_write(dev, B43_NPHY_TXREALFD, 0xB8);
	b43_phy_write(dev, B43_NPHY_MIMO_CRSTXEXT, 0xC8);
	b43_phy_write(dev, B43_NPHY_PLOAD_CSENSE_EXTLEN, 0x50);
	b43_phy_write(dev, B43_NPHY_TXRIFS_FRDEL, 0x30);
3946

3947
	b43_nphy_update_mimo_config(dev, nphy->preamble_override);
3948
	b43_nphy_update_txrx_chain(dev);
M
Michael Buesch 已提交
3949 3950 3951 3952 3953

	if (phy->rev < 2) {
		b43_phy_write(dev, B43_NPHY_DUP40_GFBL, 0xAA8);
		b43_phy_write(dev, B43_NPHY_DUP40_BL, 0x9A4);
	}
3954 3955

	tmp2 = b43_current_band(dev->wl);
3956
	if (b43_nphy_ipa(dev)) {
3957 3958 3959 3960 3961 3962
		b43_phy_set(dev, B43_NPHY_PAPD_EN0, 0x1);
		b43_phy_maskset(dev, B43_NPHY_EPS_TABLE_ADJ0, 0x007F,
				nphy->papd_epsilon_offset[0] << 7);
		b43_phy_set(dev, B43_NPHY_PAPD_EN1, 0x1);
		b43_phy_maskset(dev, B43_NPHY_EPS_TABLE_ADJ1, 0x007F,
				nphy->papd_epsilon_offset[1] << 7);
3963
		b43_nphy_int_pa_set_tx_dig_filters(dev);
3964
	} else if (phy->rev >= 5) {
3965
		b43_nphy_ext_pa_set_tx_dig_filters(dev);
3966 3967
	}

M
Michael Buesch 已提交
3968 3969
	b43_nphy_workarounds(dev);

3970
	/* Reset CCA, in init code it differs a little from standard way */
3971
	b43_phy_force_clock(dev, 1);
3972 3973 3974
	tmp = b43_phy_read(dev, B43_NPHY_BBCFG);
	b43_phy_write(dev, B43_NPHY_BBCFG, tmp | B43_NPHY_BBCFG_RSTCCA);
	b43_phy_write(dev, B43_NPHY_BBCFG, tmp & ~B43_NPHY_BBCFG_RSTCCA);
3975
	b43_phy_force_clock(dev, 0);
3976

3977
	b43_mac_phy_clock_set(dev, true);
3978

3979
	b43_nphy_pa_override(dev, false);
M
Michael Buesch 已提交
3980 3981
	b43_nphy_force_rf_sequence(dev, B43_RFSEQ_RX2TX);
	b43_nphy_force_rf_sequence(dev, B43_RFSEQ_RESET2RX);
3982
	b43_nphy_pa_override(dev, true);
3983

3984 3985
	b43_nphy_classifier(dev, 0, 0);
	b43_nphy_read_clip_detection(dev, clip);
3986 3987 3988
	if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ)
		b43_nphy_bphy_init(dev);

3989
	tx_pwr_state = nphy->txpwrctrl;
3990 3991
	b43_nphy_tx_power_ctrl(dev, false);
	b43_nphy_tx_power_fix(dev);
3992 3993
	/* TODO N PHY TX Power Control Idle TSSI */
	/* TODO N PHY TX Power Control Setup */
3994
	b43_nphy_tx_gain_table_upload(dev);
M
Michael Buesch 已提交
3995

3996
	if (nphy->phyrxchain != 3)
3997
		b43_nphy_set_rx_core_state(dev, nphy->phyrxchain);
3998 3999 4000 4001 4002 4003
	if (nphy->mphase_cal_phase_id > 0)
		;/* TODO PHY Periodic Calibration Multi-Phase Restart */

	do_rssi_cal = false;
	if (phy->rev >= 3) {
		if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ)
4004
			do_rssi_cal = !nphy->rssical_chanspec_2G.center_freq;
4005
		else
4006
			do_rssi_cal = !nphy->rssical_chanspec_5G.center_freq;
4007 4008

		if (do_rssi_cal)
4009
			b43_nphy_rssi_cal(dev);
4010
		else
4011
			b43_nphy_restore_rssi_cal(dev);
4012
	} else {
4013
		b43_nphy_rssi_cal(dev);
4014 4015 4016 4017
	}

	if (!((nphy->measure_hold & 0x6) != 0)) {
		if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ)
4018
			do_cal = !nphy->iqcal_chanspec_2G.center_freq;
4019
		else
4020
			do_cal = !nphy->iqcal_chanspec_5G.center_freq;
4021 4022 4023 4024 4025

		if (nphy->mute)
			do_cal = false;

		if (do_cal) {
4026
			target = b43_nphy_get_tx_gains(dev);
4027 4028

			if (nphy->antsel_type == 2)
4029
				b43_nphy_superswitch_init(dev, true);
4030
			if (nphy->perical != 2) {
4031
				b43_nphy_rssi_cal(dev);
4032 4033 4034 4035 4036 4037
				if (phy->rev >= 3) {
					nphy->cal_orig_pwr_idx[0] =
					    nphy->txpwrindex[0].index_internal;
					nphy->cal_orig_pwr_idx[1] =
					    nphy->txpwrindex[1].index_internal;
					/* TODO N PHY Pre Calibrate TX Gain */
4038
					target = b43_nphy_get_tx_gains(dev);
4039
				}
4040 4041 4042 4043 4044 4045 4046
				if (!b43_nphy_cal_tx_iq_lo(dev, target, true, false))
					if (b43_nphy_cal_rx_iq(dev, target, 2, 0) == 0)
						b43_nphy_save_cal(dev);
			} else if (nphy->mphase_cal_phase_id == 0)
				;/* N PHY Periodic Calibration with arg 3 */
		} else {
			b43_nphy_restore_cal(dev);
4047 4048 4049
		}
	}

4050
	b43_nphy_tx_pwr_ctrl_coef_setup(dev);
4051
	b43_nphy_tx_power_ctrl(dev, tx_pwr_state);
4052 4053 4054 4055
	b43_phy_write(dev, B43_NPHY_TXMACIF_HOLDOFF, 0x0015);
	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);
4056
	b43_nphy_tx_lp_fbw(dev);
4057 4058
	if (phy->rev >= 3)
		b43_nphy_spur_workaround(dev);
M
Michael Buesch 已提交
4059

M
Michael Buesch 已提交
4060
	return 0;
4061
}
M
Michael Buesch 已提交
4062

4063 4064 4065
/* http://bcm-v4.sipsolutions.net/802.11/PmuSpurAvoid */
static void b43_nphy_pmu_spur_avoid(struct b43_wldev *dev, bool avoid)
{
4066 4067
	struct bcma_drv_cc __maybe_unused *cc;
	u32 __maybe_unused pmu_ctl;
4068 4069 4070 4071 4072 4073 4074 4075 4076 4077 4078 4079 4080 4081 4082 4083 4084 4085 4086 4087 4088 4089 4090 4091 4092 4093 4094 4095 4096 4097 4098 4099 4100 4101 4102 4103 4104 4105 4106 4107 4108 4109 4110 4111 4112 4113 4114 4115 4116 4117 4118

	switch (dev->dev->bus_type) {
#ifdef CONFIG_B43_BCMA
	case B43_BUS_BCMA:
		cc = &dev->dev->bdev->bus->drv_cc;
		if (dev->dev->chip_id == 43224 || dev->dev->chip_id == 43225) {
			if (avoid) {
				bcma_chipco_pll_write(cc, 0x0, 0x11500010);
				bcma_chipco_pll_write(cc, 0x1, 0x000C0C06);
				bcma_chipco_pll_write(cc, 0x2, 0x0F600a08);
				bcma_chipco_pll_write(cc, 0x3, 0x00000000);
				bcma_chipco_pll_write(cc, 0x4, 0x2001E920);
				bcma_chipco_pll_write(cc, 0x5, 0x88888815);
			} else {
				bcma_chipco_pll_write(cc, 0x0, 0x11100010);
				bcma_chipco_pll_write(cc, 0x1, 0x000c0c06);
				bcma_chipco_pll_write(cc, 0x2, 0x03000a08);
				bcma_chipco_pll_write(cc, 0x3, 0x00000000);
				bcma_chipco_pll_write(cc, 0x4, 0x200005c0);
				bcma_chipco_pll_write(cc, 0x5, 0x88888815);
			}
			pmu_ctl = BCMA_CC_PMU_CTL_PLL_UPD;
		} else if (dev->dev->chip_id == 0x4716) {
			if (avoid) {
				bcma_chipco_pll_write(cc, 0x0, 0x11500060);
				bcma_chipco_pll_write(cc, 0x1, 0x080C0C06);
				bcma_chipco_pll_write(cc, 0x2, 0x0F600000);
				bcma_chipco_pll_write(cc, 0x3, 0x00000000);
				bcma_chipco_pll_write(cc, 0x4, 0x2001E924);
				bcma_chipco_pll_write(cc, 0x5, 0x88888815);
			} else {
				bcma_chipco_pll_write(cc, 0x0, 0x11100060);
				bcma_chipco_pll_write(cc, 0x1, 0x080c0c06);
				bcma_chipco_pll_write(cc, 0x2, 0x03000000);
				bcma_chipco_pll_write(cc, 0x3, 0x00000000);
				bcma_chipco_pll_write(cc, 0x4, 0x200005c0);
				bcma_chipco_pll_write(cc, 0x5, 0x88888815);
			}
			pmu_ctl = BCMA_CC_PMU_CTL_PLL_UPD |
				  BCMA_CC_PMU_CTL_NOILPONW;
		} else if (dev->dev->chip_id == 0x4322 ||
			   dev->dev->chip_id == 0x4340 ||
			   dev->dev->chip_id == 0x4341) {
			bcma_chipco_pll_write(cc, 0x0, 0x11100070);
			bcma_chipco_pll_write(cc, 0x1, 0x1014140a);
			bcma_chipco_pll_write(cc, 0x5, 0x88888854);
			if (avoid)
				bcma_chipco_pll_write(cc, 0x2, 0x05201828);
			else
				bcma_chipco_pll_write(cc, 0x2, 0x05001828);
			pmu_ctl = BCMA_CC_PMU_CTL_PLL_UPD;
4119
		} else {
4120
			return;
4121
		}
4122 4123
		bcma_cc_set32(cc, BCMA_CC_PMU_CTL, pmu_ctl);
		break;
4124
#endif
4125 4126 4127 4128 4129 4130
#ifdef CONFIG_B43_SSB
	case B43_BUS_SSB:
		/* FIXME */
		break;
#endif
	}
4131 4132
}

4133
/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/ChanspecSetup */
4134
static void b43_nphy_channel_setup(struct b43_wldev *dev,
4135
				const struct b43_phy_n_sfo_cfg *e,
4136
				struct ieee80211_channel *new_channel)
4137 4138 4139
{
	struct b43_phy *phy = &dev->phy;
	struct b43_phy_n *nphy = dev->phy.n;
4140
	int ch = new_channel->hw_value;
4141

4142
	u16 old_band_5ghz;
4143 4144
	u32 tmp32;

4145 4146 4147
	old_band_5ghz =
		b43_phy_read(dev, B43_NPHY_BANDCTL) & B43_NPHY_BANDCTL_5GHZ;
	if (new_channel->band == IEEE80211_BAND_5GHZ && !old_band_5ghz) {
4148 4149 4150 4151 4152
		tmp32 = b43_read32(dev, B43_MMIO_PSM_PHY_HDR);
		b43_write32(dev, B43_MMIO_PSM_PHY_HDR, tmp32 | 4);
		b43_phy_set(dev, B43_PHY_B_BBCFG, 0xC000);
		b43_write32(dev, B43_MMIO_PSM_PHY_HDR, tmp32);
		b43_phy_set(dev, B43_NPHY_BANDCTL, B43_NPHY_BANDCTL_5GHZ);
4153
	} else if (new_channel->band == IEEE80211_BAND_2GHZ && old_band_5ghz) {
4154 4155 4156
		b43_phy_mask(dev, B43_NPHY_BANDCTL, ~B43_NPHY_BANDCTL_5GHZ);
		tmp32 = b43_read32(dev, B43_MMIO_PSM_PHY_HDR);
		b43_write32(dev, B43_MMIO_PSM_PHY_HDR, tmp32 | 4);
4157
		b43_phy_mask(dev, B43_PHY_B_BBCFG, 0x3FFF);
4158 4159 4160 4161 4162
		b43_write32(dev, B43_MMIO_PSM_PHY_HDR, tmp32);
	}

	b43_chantab_phy_upload(dev, e);

4163
	if (new_channel->hw_value == 14) {
4164 4165 4166 4167
		b43_nphy_classifier(dev, 2, 0);
		b43_phy_set(dev, B43_PHY_B_TEST, 0x0800);
	} else {
		b43_nphy_classifier(dev, 2, 2);
4168
		if (new_channel->band == IEEE80211_BAND_2GHZ)
4169 4170 4171
			b43_phy_mask(dev, B43_PHY_B_TEST, ~0x840);
	}

4172
	if (!nphy->txpwrctrl)
4173 4174 4175 4176 4177 4178 4179
		b43_nphy_tx_power_fix(dev);

	if (dev->phy.rev < 3)
		b43_nphy_adjust_lna_gain_table(dev);

	b43_nphy_tx_lp_fbw(dev);

4180 4181 4182 4183 4184 4185 4186 4187 4188 4189 4190 4191 4192 4193 4194 4195 4196 4197 4198 4199 4200 4201 4202 4203 4204 4205 4206 4207 4208 4209 4210 4211 4212 4213 4214
	if (dev->phy.rev >= 3 &&
	    dev->phy.n->spur_avoid != B43_SPUR_AVOID_DISABLE) {
		bool avoid = false;
		if (dev->phy.n->spur_avoid == B43_SPUR_AVOID_FORCE) {
			avoid = true;
		} else if (!b43_channel_type_is_40mhz(phy->channel_type)) {
			if ((ch >= 5 && ch <= 8) || ch == 13 || ch == 14)
				avoid = true;
		} else { /* 40MHz */
			if (nphy->aband_spurwar_en &&
			    (ch == 38 || ch == 102 || ch == 118))
				avoid = dev->dev->chip_id == 0x4716;
		}

		b43_nphy_pmu_spur_avoid(dev, avoid);

		if (dev->dev->chip_id == 43222 || dev->dev->chip_id == 43224 ||
		    dev->dev->chip_id == 43225) {
			b43_write16(dev, B43_MMIO_TSF_CLK_FRAC_LOW,
				    avoid ? 0x5341 : 0x8889);
			b43_write16(dev, B43_MMIO_TSF_CLK_FRAC_HIGH, 0x8);
		}

		if (dev->phy.rev == 3 || dev->phy.rev == 4)
			; /* TODO: reset PLL */

		if (avoid)
			b43_phy_set(dev, B43_NPHY_BBCFG, B43_NPHY_BBCFG_RSTRX);
		else
			b43_phy_mask(dev, B43_NPHY_BBCFG,
				     ~B43_NPHY_BBCFG_RSTRX & 0xFFFF);

		b43_nphy_reset_cca(dev);

		/* wl sets useless phy_isspuravoid here */
4215 4216 4217 4218 4219 4220 4221 4222
	}

	b43_phy_write(dev, B43_NPHY_NDATAT_DUP40, 0x3830);

	if (phy->rev >= 3)
		b43_nphy_spur_workaround(dev);
}

4223
/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/SetChanspec */
4224 4225 4226
static int b43_nphy_set_channel(struct b43_wldev *dev,
				struct ieee80211_channel *channel,
				enum nl80211_channel_type channel_type)
4227
{
4228
	struct b43_phy *phy = &dev->phy;
4229

4230 4231
	const struct b43_nphy_channeltab_entry_rev2 *tabent_r2 = NULL;
	const struct b43_nphy_channeltab_entry_rev3 *tabent_r3 = NULL;
4232 4233 4234 4235

	u8 tmp;

	if (dev->phy.rev >= 3) {
4236 4237
		tabent_r3 = b43_nphy_get_chantabent_rev3(dev,
							channel->center_freq);
4238 4239
		if (!tabent_r3)
			return -ESRCH;
4240
	} else {
4241 4242
		tabent_r2 = b43_nphy_get_chantabent_rev2(dev,
							channel->hw_value);
4243
		if (!tabent_r2)
4244
			return -ESRCH;
4245 4246
	}

4247 4248 4249 4250
	/* Channel is set later in common code, but we need to set it on our
	   own to let this function's subcalls work properly. */
	phy->channel = channel->hw_value;
	phy->channel_freq = channel->center_freq;
4251

4252 4253 4254
	if (b43_channel_type_is_40mhz(phy->channel_type) !=
		b43_channel_type_is_40mhz(channel_type))
		; /* TODO: BMAC BW Set (channel_type) */
4255

4256 4257 4258 4259 4260 4261
	if (channel_type == NL80211_CHAN_HT40PLUS)
		b43_phy_set(dev, B43_NPHY_RXCTL,
				B43_NPHY_RXCTL_BSELU20);
	else if (channel_type == NL80211_CHAN_HT40MINUS)
		b43_phy_mask(dev, B43_NPHY_RXCTL,
				~B43_NPHY_RXCTL_BSELU20);
4262 4263

	if (dev->phy.rev >= 3) {
4264
		tmp = (channel->band == IEEE80211_BAND_5GHZ) ? 4 : 0;
4265
		b43_radio_maskset(dev, 0x08, 0xFFFB, tmp);
4266
		b43_radio_2056_setup(dev, tabent_r3);
4267
		b43_nphy_channel_setup(dev, &(tabent_r3->phy_regs), channel);
4268
	} else {
4269
		tmp = (channel->band == IEEE80211_BAND_5GHZ) ? 0x0020 : 0x0050;
4270
		b43_radio_maskset(dev, B2055_MASTER1, 0xFF8F, tmp);
4271
		b43_radio_2055_setup(dev, tabent_r2);
4272
		b43_nphy_channel_setup(dev, &(tabent_r2->phy_regs), channel);
4273 4274 4275 4276 4277
	}

	return 0;
}

M
Michael Buesch 已提交
4278 4279 4280 4281 4282 4283 4284 4285 4286 4287 4288 4289
static int b43_nphy_op_allocate(struct b43_wldev *dev)
{
	struct b43_phy_n *nphy;

	nphy = kzalloc(sizeof(*nphy), GFP_KERNEL);
	if (!nphy)
		return -ENOMEM;
	dev->phy.n = nphy;

	return 0;
}

M
Michael Buesch 已提交
4290
static void b43_nphy_op_prepare_structs(struct b43_wldev *dev)
M
Michael Buesch 已提交
4291
{
M
Michael Buesch 已提交
4292 4293
	struct b43_phy *phy = &dev->phy;
	struct b43_phy_n *nphy = phy->n;
4294
	struct ssb_sprom *sprom = dev->dev->bus_sprom;
M
Michael Buesch 已提交
4295

M
Michael Buesch 已提交
4296
	memset(nphy, 0, sizeof(*nphy));
M
Michael Buesch 已提交
4297

4298
	nphy->hang_avoid = (phy->rev == 3 || phy->rev == 4);
4299 4300
	nphy->spur_avoid = (phy->rev >= 3) ?
				B43_SPUR_AVOID_AUTO : B43_SPUR_AVOID_DISABLE;
R
Rafał Miłecki 已提交
4301 4302 4303
	nphy->gain_boost = true; /* this way we follow wl, assume it is true */
	nphy->txrx_chain = 2; /* sth different than 0 and 1 for now */
	nphy->phyrxchain = 3; /* to avoid b43_nphy_set_rx_core_state like wl */
4304
	nphy->perical = 2; /* avoid additional rssi cal on init (like wl) */
4305 4306 4307 4308
	/* 128 can mean disabled-by-default state of TX pwr ctl. Max value is
	 * 0x7f == 127 and we check for 128 when restoring TX pwr ctl. */
	nphy->tx_pwr_idx[0] = 128;
	nphy->tx_pwr_idx[1] = 128;
4309 4310 4311 4312 4313 4314 4315 4316 4317 4318 4319 4320 4321 4322 4323 4324 4325 4326 4327 4328 4329 4330 4331 4332 4333 4334 4335 4336 4337 4338 4339 4340

	/* Hardware TX power control and 5GHz power gain */
	nphy->txpwrctrl = false;
	nphy->pwg_gain_5ghz = false;
	if (dev->phy.rev >= 3 ||
	    (dev->dev->board_vendor == PCI_VENDOR_ID_APPLE &&
	     (dev->dev->core_rev == 11 || dev->dev->core_rev == 12))) {
		nphy->txpwrctrl = true;
		nphy->pwg_gain_5ghz = true;
	} else if (sprom->revision >= 4) {
		if (dev->phy.rev >= 2 &&
		    (sprom->boardflags2_lo & B43_BFL2_TXPWRCTRL_EN)) {
			nphy->txpwrctrl = true;
#ifdef CONFIG_B43_SSB
			if (dev->dev->bus_type == B43_BUS_SSB &&
			    dev->dev->sdev->bus->bustype == SSB_BUSTYPE_PCI) {
				struct pci_dev *pdev =
					dev->dev->sdev->bus->host_pci;
				if (pdev->device == 0x4328 ||
				    pdev->device == 0x432a)
					nphy->pwg_gain_5ghz = true;
			}
#endif
		} else if (sprom->boardflags2_lo & B43_BFL2_5G_PWRGAIN) {
			nphy->pwg_gain_5ghz = true;
		}
	}

	if (dev->phy.rev >= 3) {
		nphy->ipa2g_on = sprom->fem.ghz2.extpa_gain == 2;
		nphy->ipa5g_on = sprom->fem.ghz5.extpa_gain == 2;
	}
M
Michael Buesch 已提交
4341 4342
}

M
Michael Buesch 已提交
4343
static void b43_nphy_op_free(struct b43_wldev *dev)
M
Michael Buesch 已提交
4344
{
M
Michael Buesch 已提交
4345 4346
	struct b43_phy *phy = &dev->phy;
	struct b43_phy_n *nphy = phy->n;
M
Michael Buesch 已提交
4347 4348

	kfree(nphy);
M
Michael Buesch 已提交
4349 4350 4351 4352 4353 4354
	phy->n = NULL;
}

static int b43_nphy_op_init(struct b43_wldev *dev)
{
	return b43_phy_initn(dev);
M
Michael Buesch 已提交
4355 4356 4357 4358 4359 4360 4361 4362 4363 4364 4365 4366 4367 4368 4369 4370 4371 4372 4373 4374 4375 4376 4377 4378 4379 4380 4381 4382 4383 4384 4385 4386 4387 4388
}

static inline void check_phyreg(struct b43_wldev *dev, u16 offset)
{
#if B43_DEBUG
	if ((offset & B43_PHYROUTE) == B43_PHYROUTE_OFDM_GPHY) {
		/* OFDM registers are onnly available on A/G-PHYs */
		b43err(dev->wl, "Invalid OFDM PHY access at "
		       "0x%04X on N-PHY\n", offset);
		dump_stack();
	}
	if ((offset & B43_PHYROUTE) == B43_PHYROUTE_EXT_GPHY) {
		/* Ext-G registers are only available on G-PHYs */
		b43err(dev->wl, "Invalid EXT-G PHY access at "
		       "0x%04X on N-PHY\n", offset);
		dump_stack();
	}
#endif /* B43_DEBUG */
}

static u16 b43_nphy_op_read(struct b43_wldev *dev, u16 reg)
{
	check_phyreg(dev, reg);
	b43_write16(dev, B43_MMIO_PHY_CONTROL, reg);
	return b43_read16(dev, B43_MMIO_PHY_DATA);
}

static void b43_nphy_op_write(struct b43_wldev *dev, u16 reg, u16 value)
{
	check_phyreg(dev, reg);
	b43_write16(dev, B43_MMIO_PHY_CONTROL, reg);
	b43_write16(dev, B43_MMIO_PHY_DATA, value);
}

4389 4390 4391 4392 4393 4394 4395 4396 4397
static void b43_nphy_op_maskset(struct b43_wldev *dev, u16 reg, u16 mask,
				 u16 set)
{
	check_phyreg(dev, reg);
	b43_write16(dev, B43_MMIO_PHY_CONTROL, reg);
	b43_write16(dev, B43_MMIO_PHY_DATA,
		    (b43_read16(dev, B43_MMIO_PHY_DATA) & mask) | set);
}

M
Michael Buesch 已提交
4398 4399 4400 4401 4402 4403 4404 4405 4406 4407 4408 4409 4410 4411 4412 4413 4414 4415 4416 4417
static u16 b43_nphy_op_radio_read(struct b43_wldev *dev, u16 reg)
{
	/* Register 1 is a 32-bit register. */
	B43_WARN_ON(reg == 1);
	/* N-PHY needs 0x100 for read access */
	reg |= 0x100;

	b43_write16(dev, B43_MMIO_RADIO_CONTROL, reg);
	return b43_read16(dev, B43_MMIO_RADIO_DATA_LOW);
}

static void b43_nphy_op_radio_write(struct b43_wldev *dev, u16 reg, u16 value)
{
	/* Register 1 is a 32-bit register. */
	B43_WARN_ON(reg == 1);

	b43_write16(dev, B43_MMIO_RADIO_CONTROL, reg);
	b43_write16(dev, B43_MMIO_RADIO_DATA_LOW, value);
}

4418
/* http://bcm-v4.sipsolutions.net/802.11/Radio/Switch%20Radio */
M
Michael Buesch 已提交
4419
static void b43_nphy_op_software_rfkill(struct b43_wldev *dev,
J
Johannes Berg 已提交
4420
					bool blocked)
4421 4422 4423 4424 4425 4426 4427 4428 4429 4430 4431 4432 4433 4434 4435 4436 4437 4438 4439 4440 4441 4442 4443 4444 4445 4446
{
	if (b43_read32(dev, B43_MMIO_MACCTL) & B43_MACCTL_ENABLED)
		b43err(dev->wl, "MAC not suspended\n");

	if (blocked) {
		b43_phy_mask(dev, B43_NPHY_RFCTL_CMD,
				~B43_NPHY_RFCTL_CMD_CHIP0PU);
		if (dev->phy.rev >= 3) {
			b43_radio_mask(dev, 0x09, ~0x2);

			b43_radio_write(dev, 0x204D, 0);
			b43_radio_write(dev, 0x2053, 0);
			b43_radio_write(dev, 0x2058, 0);
			b43_radio_write(dev, 0x205E, 0);
			b43_radio_mask(dev, 0x2062, ~0xF0);
			b43_radio_write(dev, 0x2064, 0);

			b43_radio_write(dev, 0x304D, 0);
			b43_radio_write(dev, 0x3053, 0);
			b43_radio_write(dev, 0x3058, 0);
			b43_radio_write(dev, 0x305E, 0);
			b43_radio_mask(dev, 0x3062, ~0xF0);
			b43_radio_write(dev, 0x3064, 0);
		}
	} else {
		if (dev->phy.rev >= 3) {
4447
			b43_radio_init2056(dev);
4448
			b43_switch_channel(dev, dev->phy.channel);
4449 4450 4451 4452
		} else {
			b43_radio_init2055(dev);
		}
	}
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}

4455
/* http://bcm-v4.sipsolutions.net/802.11/PHY/Anacore */
4456 4457
static void b43_nphy_op_switch_analog(struct b43_wldev *dev, bool on)
{
4458 4459
	u16 override = on ? 0x0 : 0x7FFF;
	u16 core = on ? 0xD : 0x00FD;
4460

4461 4462 4463 4464 4465 4466 4467 4468 4469 4470 4471 4472 4473 4474 4475
	if (dev->phy.rev >= 3) {
		if (on) {
			b43_phy_write(dev, B43_NPHY_AFECTL_C1, core);
			b43_phy_write(dev, B43_NPHY_AFECTL_OVER1, override);
			b43_phy_write(dev, B43_NPHY_AFECTL_C2, core);
			b43_phy_write(dev, B43_NPHY_AFECTL_OVER, override);
		} else {
			b43_phy_write(dev, B43_NPHY_AFECTL_OVER1, override);
			b43_phy_write(dev, B43_NPHY_AFECTL_C1, core);
			b43_phy_write(dev, B43_NPHY_AFECTL_OVER, override);
			b43_phy_write(dev, B43_NPHY_AFECTL_C2, core);
		}
	} else {
		b43_phy_write(dev, B43_NPHY_AFECTL_OVER, override);
	}
4476 4477
}

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static int b43_nphy_op_switch_channel(struct b43_wldev *dev,
				      unsigned int new_channel)
{
4481 4482
	struct ieee80211_channel *channel = dev->wl->hw->conf.channel;
	enum nl80211_channel_type channel_type = dev->wl->hw->conf.channel_type;
4483

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	if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ) {
		if ((new_channel < 1) || (new_channel > 14))
			return -EINVAL;
	} else {
		if (new_channel > 200)
			return -EINVAL;
	}

4492
	return b43_nphy_set_channel(dev, channel, channel_type);
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}

static unsigned int b43_nphy_op_get_default_chan(struct b43_wldev *dev)
{
	if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ)
		return 1;
	return 36;
}

const struct b43_phy_operations b43_phyops_n = {
	.allocate		= b43_nphy_op_allocate,
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	.free			= b43_nphy_op_free,
	.prepare_structs	= b43_nphy_op_prepare_structs,
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	.init			= b43_nphy_op_init,
	.phy_read		= b43_nphy_op_read,
	.phy_write		= b43_nphy_op_write,
4509
	.phy_maskset		= b43_nphy_op_maskset,
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	.radio_read		= b43_nphy_op_radio_read,
	.radio_write		= b43_nphy_op_radio_write,
	.software_rfkill	= b43_nphy_op_software_rfkill,
4513
	.switch_analog		= b43_nphy_op_switch_analog,
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	.switch_channel		= b43_nphy_op_switch_channel,
	.get_default_chan	= b43_nphy_op_get_default_chan,
4516 4517
	.recalc_txpower		= b43_nphy_op_recalc_txpower,
	.adjust_txpower		= b43_nphy_op_adjust_txpower,
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};