Linux-libre 4.5-gnu

1 files changed, 0 insertions, 1016 deletions

diff --git a/drivers/net/wireless/b43/lo.c b/drivers/net/wireless/b43/lo.c
deleted file mode 100644
index a335f94c7..000000000
--- a/drivers/net/wireless/b43/lo.c
+++ /dev/null
@@ -1,1016 +0,0 @@
-/*
-
-  Broadcom B43 wireless driver
-
-  G PHY LO (LocalOscillator) Measuring and Control routines
-
-  Copyright (c) 2005 Martin Langer <martin-langer@gmx.de>,
-  Copyright (c) 2005, 2006 Stefano Brivio <stefano.brivio@polimi.it>
-  Copyright (c) 2005-2007 Michael Buesch <m@bues.ch>
-  Copyright (c) 2005, 2006 Danny van Dyk <kugelfang@gentoo.org>
-  Copyright (c) 2005, 2006 Andreas Jaggi <andreas.jaggi@waterwave.ch>
-
-  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.
-
-*/
-
-#include "b43.h"
-#include "lo.h"
-#include "phy_g.h"
-#include "main.h"
-
-#include <linux/delay.h>
-#include <linux/sched.h>
-#include <linux/slab.h>
-
-
-static struct b43_lo_calib *b43_find_lo_calib(struct b43_txpower_lo_control *lo,
-					      const struct b43_bbatt *bbatt,
-					       const struct b43_rfatt *rfatt)
-{
-	struct b43_lo_calib *c;
-
-	list_for_each_entry(c, &lo->calib_list, list) {
-		if (!b43_compare_bbatt(&c->bbatt, bbatt))
-			continue;
-		if (!b43_compare_rfatt(&c->rfatt, rfatt))
-			continue;
-		return c;
-	}
-
-	return NULL;
-}
-
-/* Write the LocalOscillator Control (adjust) value-pair. */
-static void b43_lo_write(struct b43_wldev *dev, struct b43_loctl *control)
-{
-	struct b43_phy *phy = &dev->phy;
-	u16 value;
-
-	if (B43_DEBUG) {
-		if (unlikely(abs(control->i) > 16 || abs(control->q) > 16)) {
-			b43dbg(dev->wl, "Invalid LO control pair "
-			       "(I: %d, Q: %d)\n", control->i, control->q);
-			dump_stack();
-			return;
-		}
-	}
-	B43_WARN_ON(phy->type != B43_PHYTYPE_G);
-
-	value = (u8) (control->q);
-	value |= ((u8) (control->i)) << 8;
-	b43_phy_write(dev, B43_PHY_LO_CTL, value);
-}
-
-static u16 lo_measure_feedthrough(struct b43_wldev *dev,
-				  u16 lna, u16 pga, u16 trsw_rx)
-{
-	struct b43_phy *phy = &dev->phy;
-	u16 rfover;
-	u16 feedthrough;
-
-	if (phy->gmode) {
-		lna <<= B43_PHY_RFOVERVAL_LNA_SHIFT;
-		pga <<= B43_PHY_RFOVERVAL_PGA_SHIFT;
-
-		B43_WARN_ON(lna & ~B43_PHY_RFOVERVAL_LNA);
-		B43_WARN_ON(pga & ~B43_PHY_RFOVERVAL_PGA);
-/*FIXME This assertion fails		B43_WARN_ON(trsw_rx & ~(B43_PHY_RFOVERVAL_TRSWRX |
-				    B43_PHY_RFOVERVAL_BW));
-*/
-		trsw_rx &= (B43_PHY_RFOVERVAL_TRSWRX | B43_PHY_RFOVERVAL_BW);
-
-		/* Construct the RF Override Value */
-		rfover = B43_PHY_RFOVERVAL_UNK;
-		rfover |= pga;
-		rfover |= lna;
-		rfover |= trsw_rx;
-		if ((dev->dev->bus_sprom->boardflags_lo & B43_BFL_EXTLNA)
-		    && phy->rev > 6)
-			rfover |= B43_PHY_RFOVERVAL_EXTLNA;
-
-		b43_phy_write(dev, B43_PHY_PGACTL, 0xE300);
-		b43_phy_write(dev, B43_PHY_RFOVERVAL, rfover);
-		udelay(10);
-		rfover |= B43_PHY_RFOVERVAL_BW_LBW;
-		b43_phy_write(dev, B43_PHY_RFOVERVAL, rfover);
-		udelay(10);
-		rfover |= B43_PHY_RFOVERVAL_BW_LPF;
-		b43_phy_write(dev, B43_PHY_RFOVERVAL, rfover);
-		udelay(10);
-		b43_phy_write(dev, B43_PHY_PGACTL, 0xF300);
-	} else {
-		pga |= B43_PHY_PGACTL_UNKNOWN;
-		b43_phy_write(dev, B43_PHY_PGACTL, pga);
-		udelay(10);
-		pga |= B43_PHY_PGACTL_LOWBANDW;
-		b43_phy_write(dev, B43_PHY_PGACTL, pga);
-		udelay(10);
-		pga |= B43_PHY_PGACTL_LPF;
-		b43_phy_write(dev, B43_PHY_PGACTL, pga);
-	}
-	udelay(21);
-	feedthrough = b43_phy_read(dev, B43_PHY_LO_LEAKAGE);
-
-	/* This is a good place to check if we need to relax a bit,
-	 * as this is the main function called regularly
-	 * in the LO calibration. */
-	cond_resched();
-
-	return feedthrough;
-}
-
-/* TXCTL Register and Value Table.
- * Returns the "TXCTL Register".
- * "value" is the "TXCTL Value".
- * "pad_mix_gain" is the PAD Mixer Gain.
- */
-static u16 lo_txctl_register_table(struct b43_wldev *dev,
-				   u16 *value, u16 *pad_mix_gain)
-{
-	struct b43_phy *phy = &dev->phy;
-	u16 reg, v, padmix;
-
-	if (phy->type == B43_PHYTYPE_B) {
-		v = 0x30;
-		if (phy->radio_rev <= 5) {
-			reg = 0x43;
-			padmix = 0;
-		} else {
-			reg = 0x52;
-			padmix = 5;
-		}
-	} else {
-		if (phy->rev >= 2 && phy->radio_rev == 8) {
-			reg = 0x43;
-			v = 0x10;
-			padmix = 2;
-		} else {
-			reg = 0x52;
-			v = 0x30;
-			padmix = 5;
-		}
-	}
-	if (value)
-		*value = v;
-	if (pad_mix_gain)
-		*pad_mix_gain = padmix;
-
-	return reg;
-}
-
-static void lo_measure_txctl_values(struct b43_wldev *dev)
-{
-	struct b43_phy *phy = &dev->phy;
-	struct b43_phy_g *gphy = phy->g;
-	struct b43_txpower_lo_control *lo = gphy->lo_control;
-	u16 reg, mask;
-	u16 trsw_rx, pga;
-	u16 radio_pctl_reg;
-
-	static const u8 tx_bias_values[] = {
-		0x09, 0x08, 0x0A, 0x01, 0x00,
-		0x02, 0x05, 0x04, 0x06,
-	};
-	static const u8 tx_magn_values[] = {
-		0x70, 0x40,
-	};
-
-	if (!has_loopback_gain(phy)) {
-		radio_pctl_reg = 6;
-		trsw_rx = 2;
-		pga = 0;
-	} else {
-		int lb_gain;	/* Loopback gain (in dB) */
-
-		trsw_rx = 0;
-		lb_gain = gphy->max_lb_gain / 2;
-		if (lb_gain > 10) {
-			radio_pctl_reg = 0;
-			pga = abs(10 - lb_gain) / 6;
-			pga = clamp_val(pga, 0, 15);
-		} else {
-			int cmp_val;
-			int tmp;
-
-			pga = 0;
-			cmp_val = 0x24;
-			if ((phy->rev >= 2) &&
-			    (phy->radio_ver == 0x2050) && (phy->radio_rev == 8))
-				cmp_val = 0x3C;
-			tmp = lb_gain;
-			if ((10 - lb_gain) < cmp_val)
-				tmp = (10 - lb_gain);
-			if (tmp < 0)
-				tmp += 6;
-			else
-				tmp += 3;
-			cmp_val /= 4;
-			tmp /= 4;
-			if (tmp >= cmp_val)
-				radio_pctl_reg = cmp_val;
-			else
-				radio_pctl_reg = tmp;
-		}
-	}
-	b43_radio_maskset(dev, 0x43, 0xFFF0, radio_pctl_reg);
-	b43_gphy_set_baseband_attenuation(dev, 2);
-
-	reg = lo_txctl_register_table(dev, &mask, NULL);
-	mask = ~mask;
-	b43_radio_mask(dev, reg, mask);
-
-	if (has_tx_magnification(phy)) {
-		int i, j;
-		int feedthrough;
-		int min_feedth = 0xFFFF;
-		u8 tx_magn, tx_bias;
-
-		for (i = 0; i < ARRAY_SIZE(tx_magn_values); i++) {
-			tx_magn = tx_magn_values[i];
-			b43_radio_maskset(dev, 0x52, 0xFF0F, tx_magn);
-			for (j = 0; j < ARRAY_SIZE(tx_bias_values); j++) {
-				tx_bias = tx_bias_values[j];
-				b43_radio_maskset(dev, 0x52, 0xFFF0, tx_bias);
-				feedthrough =
-				    lo_measure_feedthrough(dev, 0, pga,
-							   trsw_rx);
-				if (feedthrough < min_feedth) {
-					lo->tx_bias = tx_bias;
-					lo->tx_magn = tx_magn;
-					min_feedth = feedthrough;
-				}
-				if (lo->tx_bias == 0)
-					break;
-			}
-			b43_radio_write16(dev, 0x52,
-					  (b43_radio_read16(dev, 0x52)
-					   & 0xFF00) | lo->tx_bias | lo->
-					  tx_magn);
-		}
-	} else {
-		lo->tx_magn = 0;
-		lo->tx_bias = 0;
-		b43_radio_mask(dev, 0x52, 0xFFF0);	/* TX bias == 0 */
-	}
-	lo->txctl_measured_time = jiffies;
-}
-
-static void lo_read_power_vector(struct b43_wldev *dev)
-{
-	struct b43_phy *phy = &dev->phy;
-	struct b43_phy_g *gphy = phy->g;
-	struct b43_txpower_lo_control *lo = gphy->lo_control;
-	int i;
-	u64 tmp;
-	u64 power_vector = 0;
-
-	for (i = 0; i < 8; i += 2) {
-		tmp = b43_shm_read16(dev, B43_SHM_SHARED, 0x310 + i);
-		power_vector |= (tmp << (i * 8));
-		/* Clear the vector on the device. */
-		b43_shm_write16(dev, B43_SHM_SHARED, 0x310 + i, 0);
-	}
-	if (power_vector)
-		lo->power_vector = power_vector;
-	lo->pwr_vec_read_time = jiffies;
-}
-
-/* 802.11/LO/GPHY/MeasuringGains */
-static void lo_measure_gain_values(struct b43_wldev *dev,
-				   s16 max_rx_gain, int use_trsw_rx)
-{
-	struct b43_phy *phy = &dev->phy;
-	struct b43_phy_g *gphy = phy->g;
-	u16 tmp;
-
-	if (max_rx_gain < 0)
-		max_rx_gain = 0;
-
-	if (has_loopback_gain(phy)) {
-		int trsw_rx_gain;
-
-		if (use_trsw_rx) {
-			trsw_rx_gain = gphy->trsw_rx_gain / 2;
-			if (max_rx_gain >= trsw_rx_gain) {
-				trsw_rx_gain = max_rx_gain - trsw_rx_gain;
-			}
-		} else
-			trsw_rx_gain = max_rx_gain;
-		if (trsw_rx_gain < 9) {
-			gphy->lna_lod_gain = 0;
-		} else {
-			gphy->lna_lod_gain = 1;
-			trsw_rx_gain -= 8;
-		}
-		trsw_rx_gain = clamp_val(trsw_rx_gain, 0, 0x2D);
-		gphy->pga_gain = trsw_rx_gain / 3;
-		if (gphy->pga_gain >= 5) {
-			gphy->pga_gain -= 5;
-			gphy->lna_gain = 2;
-		} else
-			gphy->lna_gain = 0;
-	} else {
-		gphy->lna_gain = 0;
-		gphy->trsw_rx_gain = 0x20;
-		if (max_rx_gain >= 0x14) {
-			gphy->lna_lod_gain = 1;
-			gphy->pga_gain = 2;
-		} else if (max_rx_gain >= 0x12) {
-			gphy->lna_lod_gain = 1;
-			gphy->pga_gain = 1;
-		} else if (max_rx_gain >= 0xF) {
-			gphy->lna_lod_gain = 1;
-			gphy->pga_gain = 0;
-		} else {
-			gphy->lna_lod_gain = 0;
-			gphy->pga_gain = 0;
-		}
-	}
-
-	tmp = b43_radio_read16(dev, 0x7A);
-	if (gphy->lna_lod_gain == 0)
-		tmp &= ~0x0008;
-	else
-		tmp |= 0x0008;
-	b43_radio_write16(dev, 0x7A, tmp);
-}
-
-struct lo_g_saved_values {
-	u8 old_channel;
-
-	/* Core registers */
-	u16 reg_3F4;
-	u16 reg_3E2;
-
-	/* PHY registers */
-	u16 phy_lo_mask;
-	u16 phy_extg_01;
-	u16 phy_dacctl_hwpctl;
-	u16 phy_dacctl;
-	u16 phy_cck_14;
-	u16 phy_hpwr_tssictl;
-	u16 phy_analogover;
-	u16 phy_analogoverval;
-	u16 phy_rfover;
-	u16 phy_rfoverval;
-	u16 phy_classctl;
-	u16 phy_cck_3E;
-	u16 phy_crs0;
-	u16 phy_pgactl;
-	u16 phy_cck_2A;
-	u16 phy_syncctl;
-	u16 phy_cck_30;
-	u16 phy_cck_06;
-
-	/* Radio registers */
-	u16 radio_43;
-	u16 radio_7A;
-	u16 radio_52;
-};
-
-static void lo_measure_setup(struct b43_wldev *dev,
-			     struct lo_g_saved_values *sav)
-{
-	struct ssb_sprom *sprom = dev->dev->bus_sprom;
-	struct b43_phy *phy = &dev->phy;
-	struct b43_phy_g *gphy = phy->g;
-	struct b43_txpower_lo_control *lo = gphy->lo_control;
-	u16 tmp;
-
-	if (b43_has_hardware_pctl(dev)) {
-		sav->phy_lo_mask = b43_phy_read(dev, B43_PHY_LO_MASK);
-		sav->phy_extg_01 = b43_phy_read(dev, B43_PHY_EXTG(0x01));
-		sav->phy_dacctl_hwpctl = b43_phy_read(dev, B43_PHY_DACCTL);
-		sav->phy_cck_14 = b43_phy_read(dev, B43_PHY_CCK(0x14));
-		sav->phy_hpwr_tssictl = b43_phy_read(dev, B43_PHY_HPWR_TSSICTL);
-
-		b43_phy_set(dev, B43_PHY_HPWR_TSSICTL, 0x100);
-		b43_phy_set(dev, B43_PHY_EXTG(0x01), 0x40);
-		b43_phy_set(dev, B43_PHY_DACCTL, 0x40);
-		b43_phy_set(dev, B43_PHY_CCK(0x14), 0x200);
-	}
-	if (phy->type == B43_PHYTYPE_B &&
-	    phy->radio_ver == 0x2050 && phy->radio_rev < 6) {
-		b43_phy_write(dev, B43_PHY_CCK(0x16), 0x410);
-		b43_phy_write(dev, B43_PHY_CCK(0x17), 0x820);
-	}
-	if (phy->rev >= 2) {
-		sav->phy_analogover = b43_phy_read(dev, B43_PHY_ANALOGOVER);
-		sav->phy_analogoverval =
-		    b43_phy_read(dev, B43_PHY_ANALOGOVERVAL);
-		sav->phy_rfover = b43_phy_read(dev, B43_PHY_RFOVER);
-		sav->phy_rfoverval = b43_phy_read(dev, B43_PHY_RFOVERVAL);
-		sav->phy_classctl = b43_phy_read(dev, B43_PHY_CLASSCTL);
-		sav->phy_cck_3E = b43_phy_read(dev, B43_PHY_CCK(0x3E));
-		sav->phy_crs0 = b43_phy_read(dev, B43_PHY_CRS0);
-
-		b43_phy_mask(dev, B43_PHY_CLASSCTL, 0xFFFC);
-		b43_phy_mask(dev, B43_PHY_CRS0, 0x7FFF);
-		b43_phy_set(dev, B43_PHY_ANALOGOVER, 0x0003);
-		b43_phy_mask(dev, B43_PHY_ANALOGOVERVAL, 0xFFFC);
-		if (phy->type == B43_PHYTYPE_G) {
-			if ((phy->rev >= 7) &&
-			    (sprom->boardflags_lo & B43_BFL_EXTLNA)) {
-				b43_phy_write(dev, B43_PHY_RFOVER, 0x933);
-			} else {
-				b43_phy_write(dev, B43_PHY_RFOVER, 0x133);
-			}
-		} else {
-			b43_phy_write(dev, B43_PHY_RFOVER, 0);
-		}
-		b43_phy_write(dev, B43_PHY_CCK(0x3E), 0);
-	}
-	sav->reg_3F4 = b43_read16(dev, 0x3F4);
-	sav->reg_3E2 = b43_read16(dev, 0x3E2);
-	sav->radio_43 = b43_radio_read16(dev, 0x43);
-	sav->radio_7A = b43_radio_read16(dev, 0x7A);
-	sav->phy_pgactl = b43_phy_read(dev, B43_PHY_PGACTL);
-	sav->phy_cck_2A = b43_phy_read(dev, B43_PHY_CCK(0x2A));
-	sav->phy_syncctl = b43_phy_read(dev, B43_PHY_SYNCCTL);
-	sav->phy_dacctl = b43_phy_read(dev, B43_PHY_DACCTL);
-
-	if (!has_tx_magnification(phy)) {
-		sav->radio_52 = b43_radio_read16(dev, 0x52);
-		sav->radio_52 &= 0x00F0;
-	}
-	if (phy->type == B43_PHYTYPE_B) {
-		sav->phy_cck_30 = b43_phy_read(dev, B43_PHY_CCK(0x30));
-		sav->phy_cck_06 = b43_phy_read(dev, B43_PHY_CCK(0x06));
-		b43_phy_write(dev, B43_PHY_CCK(0x30), 0x00FF);
-		b43_phy_write(dev, B43_PHY_CCK(0x06), 0x3F3F);
-	} else {
-		b43_write16(dev, 0x3E2, b43_read16(dev, 0x3E2)
-			    | 0x8000);
-	}
-	b43_write16(dev, 0x3F4, b43_read16(dev, 0x3F4)
-		    & 0xF000);
-
-	tmp =
-	    (phy->type == B43_PHYTYPE_G) ? B43_PHY_LO_MASK : B43_PHY_CCK(0x2E);
-	b43_phy_write(dev, tmp, 0x007F);
-
-	tmp = sav->phy_syncctl;
-	b43_phy_write(dev, B43_PHY_SYNCCTL, tmp & 0xFF7F);
-	tmp = sav->radio_7A;
-	b43_radio_write16(dev, 0x007A, tmp & 0xFFF0);
-
-	b43_phy_write(dev, B43_PHY_CCK(0x2A), 0x8A3);
-	if (phy->type == B43_PHYTYPE_G ||
-	    (phy->type == B43_PHYTYPE_B &&
-	     phy->radio_ver == 0x2050 && phy->radio_rev >= 6)) {
-		b43_phy_write(dev, B43_PHY_CCK(0x2B), 0x1003);
-	} else
-		b43_phy_write(dev, B43_PHY_CCK(0x2B), 0x0802);
-	if (phy->rev >= 2)
-		b43_dummy_transmission(dev, false, true);
-	b43_gphy_channel_switch(dev, 6, 0);
-	b43_radio_read16(dev, 0x51);	/* dummy read */
-	if (phy->type == B43_PHYTYPE_G)
-		b43_phy_write(dev, B43_PHY_CCK(0x2F), 0);
-
-	/* Re-measure the txctl values, if needed. */
-	if (time_before(lo->txctl_measured_time,
-			jiffies - B43_LO_TXCTL_EXPIRE))
-		lo_measure_txctl_values(dev);
-
-	if (phy->type == B43_PHYTYPE_G && phy->rev >= 3) {
-		b43_phy_write(dev, B43_PHY_LO_MASK, 0xC078);
-	} else {
-		if (phy->type == B43_PHYTYPE_B)
-			b43_phy_write(dev, B43_PHY_CCK(0x2E), 0x8078);
-		else
-			b43_phy_write(dev, B43_PHY_LO_MASK, 0x8078);
-	}
-}
-
-static void lo_measure_restore(struct b43_wldev *dev,
-			       struct lo_g_saved_values *sav)
-{
-	struct b43_phy *phy = &dev->phy;
-	struct b43_phy_g *gphy = phy->g;
-	u16 tmp;
-
-	if (phy->rev >= 2) {
-		b43_phy_write(dev, B43_PHY_PGACTL, 0xE300);
-		tmp = (gphy->pga_gain << 8);
-		b43_phy_write(dev, B43_PHY_RFOVERVAL, tmp | 0xA0);
-		udelay(5);
-		b43_phy_write(dev, B43_PHY_RFOVERVAL, tmp | 0xA2);
-		udelay(2);
-		b43_phy_write(dev, B43_PHY_RFOVERVAL, tmp | 0xA3);
-	} else {
-		tmp = (gphy->pga_gain | 0xEFA0);
-		b43_phy_write(dev, B43_PHY_PGACTL, tmp);
-	}
-	if (phy->type == B43_PHYTYPE_G) {
-		if (phy->rev >= 3)
-			b43_phy_write(dev, B43_PHY_CCK(0x2E), 0xC078);
-		else
-			b43_phy_write(dev, B43_PHY_CCK(0x2E), 0x8078);
-		if (phy->rev >= 2)
-			b43_phy_write(dev, B43_PHY_CCK(0x2F), 0x0202);
-		else
-			b43_phy_write(dev, B43_PHY_CCK(0x2F), 0x0101);
-	}
-	b43_write16(dev, 0x3F4, sav->reg_3F4);
-	b43_phy_write(dev, B43_PHY_PGACTL, sav->phy_pgactl);
-	b43_phy_write(dev, B43_PHY_CCK(0x2A), sav->phy_cck_2A);
-	b43_phy_write(dev, B43_PHY_SYNCCTL, sav->phy_syncctl);
-	b43_phy_write(dev, B43_PHY_DACCTL, sav->phy_dacctl);
-	b43_radio_write16(dev, 0x43, sav->radio_43);
-	b43_radio_write16(dev, 0x7A, sav->radio_7A);
-	if (!has_tx_magnification(phy)) {
-		tmp = sav->radio_52;
-		b43_radio_maskset(dev, 0x52, 0xFF0F, tmp);
-	}
-	b43_write16(dev, 0x3E2, sav->reg_3E2);
-	if (phy->type == B43_PHYTYPE_B &&
-	    phy->radio_ver == 0x2050 && phy->radio_rev <= 5) {
-		b43_phy_write(dev, B43_PHY_CCK(0x30), sav->phy_cck_30);
-		b43_phy_write(dev, B43_PHY_CCK(0x06), sav->phy_cck_06);
-	}
-	if (phy->rev >= 2) {
-		b43_phy_write(dev, B43_PHY_ANALOGOVER, sav->phy_analogover);
-		b43_phy_write(dev, B43_PHY_ANALOGOVERVAL,
-			      sav->phy_analogoverval);
-		b43_phy_write(dev, B43_PHY_CLASSCTL, sav->phy_classctl);
-		b43_phy_write(dev, B43_PHY_RFOVER, sav->phy_rfover);
-		b43_phy_write(dev, B43_PHY_RFOVERVAL, sav->phy_rfoverval);
-		b43_phy_write(dev, B43_PHY_CCK(0x3E), sav->phy_cck_3E);
-		b43_phy_write(dev, B43_PHY_CRS0, sav->phy_crs0);
-	}
-	if (b43_has_hardware_pctl(dev)) {
-		tmp = (sav->phy_lo_mask & 0xBFFF);
-		b43_phy_write(dev, B43_PHY_LO_MASK, tmp);
-		b43_phy_write(dev, B43_PHY_EXTG(0x01), sav->phy_extg_01);
-		b43_phy_write(dev, B43_PHY_DACCTL, sav->phy_dacctl_hwpctl);
-		b43_phy_write(dev, B43_PHY_CCK(0x14), sav->phy_cck_14);
-		b43_phy_write(dev, B43_PHY_HPWR_TSSICTL, sav->phy_hpwr_tssictl);
-	}
-	b43_gphy_channel_switch(dev, sav->old_channel, 1);
-}
-
-struct b43_lo_g_statemachine {
-	int current_state;
-	int nr_measured;
-	int state_val_multiplier;
-	u16 lowest_feedth;
-	struct b43_loctl min_loctl;
-};
-
-/* Loop over each possible value in this state. */
-static int lo_probe_possible_loctls(struct b43_wldev *dev,
-				    struct b43_loctl *probe_loctl,
-				    struct b43_lo_g_statemachine *d)
-{
-	struct b43_phy *phy = &dev->phy;
-	struct b43_phy_g *gphy = phy->g;
-	struct b43_loctl test_loctl;
-	struct b43_loctl orig_loctl;
-	struct b43_loctl prev_loctl = {
-		.i = -100,
-		.q = -100,
-	};
-	int i;
-	int begin, end;
-	int found_lower = 0;
-	u16 feedth;
-
-	static const struct b43_loctl modifiers[] = {
-		{.i = 1,.q = 1,},
-		{.i = 1,.q = 0,},
-		{.i = 1,.q = -1,},
-		{.i = 0,.q = -1,},
-		{.i = -1,.q = -1,},
-		{.i = -1,.q = 0,},
-		{.i = -1,.q = 1,},
-		{.i = 0,.q = 1,},
-	};
-
-	if (d->current_state == 0) {
-		begin = 1;
-		end = 8;
-	} else if (d->current_state % 2 == 0) {
-		begin = d->current_state - 1;
-		end = d->current_state + 1;
-	} else {
-		begin = d->current_state - 2;
-		end = d->current_state + 2;
-	}
-	if (begin < 1)
-		begin += 8;
-	if (end > 8)
-		end -= 8;
-
-	memcpy(&orig_loctl, probe_loctl, sizeof(struct b43_loctl));
-	i = begin;
-	d->current_state = i;
-	while (1) {
-		B43_WARN_ON(!(i >= 1 && i <= 8));
-		memcpy(&test_loctl, &orig_loctl, sizeof(struct b43_loctl));
-		test_loctl.i += modifiers[i - 1].i * d->state_val_multiplier;
-		test_loctl.q += modifiers[i - 1].q * d->state_val_multiplier;
-		if ((test_loctl.i != prev_loctl.i ||
-		     test_loctl.q != prev_loctl.q) &&
-		    (abs(test_loctl.i) <= 16 && abs(test_loctl.q) <= 16)) {
-			b43_lo_write(dev, &test_loctl);
-			feedth = lo_measure_feedthrough(dev, gphy->lna_gain,
-							gphy->pga_gain,
-							gphy->trsw_rx_gain);
-			if (feedth < d->lowest_feedth) {
-				memcpy(probe_loctl, &test_loctl,
-				       sizeof(struct b43_loctl));
-				found_lower = 1;
-				d->lowest_feedth = feedth;
-				if ((d->nr_measured < 2) &&
-				    !has_loopback_gain(phy))
-					break;
-			}
-		}
-		memcpy(&prev_loctl, &test_loctl, sizeof(prev_loctl));
-		if (i == end)
-			break;
-		if (i == 8)
-			i = 1;
-		else
-			i++;
-		d->current_state = i;
-	}
-
-	return found_lower;
-}
-
-static void lo_probe_loctls_statemachine(struct b43_wldev *dev,
-					 struct b43_loctl *loctl,
-					 int *max_rx_gain)
-{
-	struct b43_phy *phy = &dev->phy;
-	struct b43_phy_g *gphy = phy->g;
-	struct b43_lo_g_statemachine d;
-	u16 feedth;
-	int found_lower;
-	struct b43_loctl probe_loctl;
-	int max_repeat = 1, repeat_cnt = 0;
-
-	d.nr_measured = 0;
-	d.state_val_multiplier = 1;
-	if (has_loopback_gain(phy))
-		d.state_val_multiplier = 3;
-
-	memcpy(&d.min_loctl, loctl, sizeof(struct b43_loctl));
-	if (has_loopback_gain(phy))
-		max_repeat = 4;
-	do {
-		b43_lo_write(dev, &d.min_loctl);
-		feedth = lo_measure_feedthrough(dev, gphy->lna_gain,
-						gphy->pga_gain,
-						gphy->trsw_rx_gain);
-		if (feedth < 0x258) {
-			if (feedth >= 0x12C)
-				*max_rx_gain += 6;
-			else
-				*max_rx_gain += 3;
-			feedth = lo_measure_feedthrough(dev, gphy->lna_gain,
-							gphy->pga_gain,
-							gphy->trsw_rx_gain);
-		}
-		d.lowest_feedth = feedth;
-
-		d.current_state = 0;
-		do {
-			B43_WARN_ON(!
-				    (d.current_state >= 0
-				     && d.current_state <= 8));
-			memcpy(&probe_loctl, &d.min_loctl,
-			       sizeof(struct b43_loctl));
-			found_lower =
-			    lo_probe_possible_loctls(dev, &probe_loctl, &d);
-			if (!found_lower)
-				break;
-			if ((probe_loctl.i == d.min_loctl.i) &&
-			    (probe_loctl.q == d.min_loctl.q))
-				break;
-			memcpy(&d.min_loctl, &probe_loctl,
-			       sizeof(struct b43_loctl));
-			d.nr_measured++;
-		} while (d.nr_measured < 24);
-		memcpy(loctl, &d.min_loctl, sizeof(struct b43_loctl));
-
-		if (has_loopback_gain(phy)) {
-			if (d.lowest_feedth > 0x1194)
-				*max_rx_gain -= 6;
-			else if (d.lowest_feedth < 0x5DC)
-				*max_rx_gain += 3;
-			if (repeat_cnt == 0) {
-				if (d.lowest_feedth <= 0x5DC) {
-					d.state_val_multiplier = 1;
-					repeat_cnt++;
-				} else
-					d.state_val_multiplier = 2;
-			} else if (repeat_cnt == 2)
-				d.state_val_multiplier = 1;
-		}
-		lo_measure_gain_values(dev, *max_rx_gain,
-				       has_loopback_gain(phy));
-	} while (++repeat_cnt < max_repeat);
-}
-
-static
-struct b43_lo_calib *b43_calibrate_lo_setting(struct b43_wldev *dev,
-					      const struct b43_bbatt *bbatt,
-					      const struct b43_rfatt *rfatt)
-{
-	struct b43_phy *phy = &dev->phy;
-	struct b43_phy_g *gphy = phy->g;
-	struct b43_loctl loctl = {
-		.i = 0,
-		.q = 0,
-	};
-	int max_rx_gain;
-	struct b43_lo_calib *cal;
-	struct lo_g_saved_values uninitialized_var(saved_regs);
-	/* Values from the "TXCTL Register and Value Table" */
-	u16 txctl_reg;
-	u16 txctl_value;
-	u16 pad_mix_gain;
-
-	saved_regs.old_channel = phy->channel;
-	b43_mac_suspend(dev);
-	lo_measure_setup(dev, &saved_regs);
-
-	txctl_reg = lo_txctl_register_table(dev, &txctl_value, &pad_mix_gain);
-
-	b43_radio_maskset(dev, 0x43, 0xFFF0, rfatt->att);
-	b43_radio_maskset(dev, txctl_reg, ~txctl_value, (rfatt->with_padmix ? txctl_value :0));
-
-	max_rx_gain = rfatt->att * 2;
-	max_rx_gain += bbatt->att / 2;
-	if (rfatt->with_padmix)
-		max_rx_gain -= pad_mix_gain;
-	if (has_loopback_gain(phy))
-		max_rx_gain += gphy->max_lb_gain;
-	lo_measure_gain_values(dev, max_rx_gain,
-			       has_loopback_gain(phy));
-
-	b43_gphy_set_baseband_attenuation(dev, bbatt->att);
-	lo_probe_loctls_statemachine(dev, &loctl, &max_rx_gain);
-
-	lo_measure_restore(dev, &saved_regs);
-	b43_mac_enable(dev);
-
-	if (b43_debug(dev, B43_DBG_LO)) {
-		b43dbg(dev->wl, "LO: Calibrated for BB(%u), RF(%u,%u) "
-		       "=> I=%d Q=%d\n",
-		       bbatt->att, rfatt->att, rfatt->with_padmix,
-		       loctl.i, loctl.q);
-	}
-
-	cal = kmalloc(sizeof(*cal), GFP_KERNEL);
-	if (!cal) {
-		b43warn(dev->wl, "LO calib: out of memory\n");
-		return NULL;
-	}
-	memcpy(&cal->bbatt, bbatt, sizeof(*bbatt));
-	memcpy(&cal->rfatt, rfatt, sizeof(*rfatt));
-	memcpy(&cal->ctl, &loctl, sizeof(loctl));
-	cal->calib_time = jiffies;
-	INIT_LIST_HEAD(&cal->list);
-
-	return cal;
-}
-
-/* Get a calibrated LO setting for the given attenuation values.
- * Might return a NULL pointer under OOM! */
-static
-struct b43_lo_calib *b43_get_calib_lo_settings(struct b43_wldev *dev,
-					       const struct b43_bbatt *bbatt,
-					       const struct b43_rfatt *rfatt)
-{
-	struct b43_txpower_lo_control *lo = dev->phy.g->lo_control;
-	struct b43_lo_calib *c;
-
-	c = b43_find_lo_calib(lo, bbatt, rfatt);
-	if (c)
-		return c;
-	/* Not in the list of calibrated LO settings.
-	 * Calibrate it now. */
-	c = b43_calibrate_lo_setting(dev, bbatt, rfatt);
-	if (!c)
-		return NULL;
-	list_add(&c->list, &lo->calib_list);
-
-	return c;
-}
-
-void b43_gphy_dc_lt_init(struct b43_wldev *dev, bool update_all)
-{
-	struct b43_phy *phy = &dev->phy;
-	struct b43_phy_g *gphy = phy->g;
-	struct b43_txpower_lo_control *lo = gphy->lo_control;
-	int i;
-	int rf_offset, bb_offset;
-	const struct b43_rfatt *rfatt;
-	const struct b43_bbatt *bbatt;
-	u64 power_vector;
-	bool table_changed = false;
-
-	BUILD_BUG_ON(B43_DC_LT_SIZE != 32);
-	B43_WARN_ON(lo->rfatt_list.len * lo->bbatt_list.len > 64);
-
-	power_vector = lo->power_vector;
-	if (!update_all && !power_vector)
-		return; /* Nothing to do. */
-
-	/* Suspend the MAC now to avoid continuous suspend/enable
-	 * cycles in the loop. */
-	b43_mac_suspend(dev);
-
-	for (i = 0; i < B43_DC_LT_SIZE * 2; i++) {
-		struct b43_lo_calib *cal;
-		int idx;
-		u16 val;
-
-		if (!update_all && !(power_vector & (((u64)1ULL) << i)))
-			continue;
-		/* Update the table entry for this power_vector bit.
-		 * The table rows are RFatt entries and columns are BBatt. */
-		bb_offset = i / lo->rfatt_list.len;
-		rf_offset = i % lo->rfatt_list.len;
-		bbatt = &(lo->bbatt_list.list[bb_offset]);
-		rfatt = &(lo->rfatt_list.list[rf_offset]);
-
-		cal = b43_calibrate_lo_setting(dev, bbatt, rfatt);
-		if (!cal) {
-			b43warn(dev->wl, "LO: Could not "
-				"calibrate DC table entry\n");
-			continue;
-		}
-		/*FIXME: Is Q really in the low nibble? */
-		val = (u8)(cal->ctl.q);
-		val |= ((u8)(cal->ctl.i)) << 4;
-		kfree(cal);
-
-		/* Get the index into the hardware DC LT. */
-		idx = i / 2;
-		/* Change the table in memory. */
-		if (i % 2) {
-			/* Change the high byte. */
-			lo->dc_lt[idx] = (lo->dc_lt[idx] & 0x00FF)
-					 | ((val & 0x00FF) << 8);
-		} else {
-			/* Change the low byte. */
-			lo->dc_lt[idx] = (lo->dc_lt[idx] & 0xFF00)
-					 | (val & 0x00FF);
-		}
-		table_changed = true;
-	}
-	if (table_changed) {
-		/* The table changed in memory. Update the hardware table. */
-		for (i = 0; i < B43_DC_LT_SIZE; i++)
-			b43_phy_write(dev, 0x3A0 + i, lo->dc_lt[i]);
-	}
-	b43_mac_enable(dev);
-}
-
-/* Fixup the RF attenuation value for the case where we are
- * using the PAD mixer. */
-static inline void b43_lo_fixup_rfatt(struct b43_rfatt *rf)
-{
-	if (!rf->with_padmix)
-		return;
-	if ((rf->att != 1) && (rf->att != 2) && (rf->att != 3))
-		rf->att = 4;
-}
-
-void b43_lo_g_adjust(struct b43_wldev *dev)
-{
-	struct b43_phy_g *gphy = dev->phy.g;
-	struct b43_lo_calib *cal;
-	struct b43_rfatt rf;
-
-	memcpy(&rf, &gphy->rfatt, sizeof(rf));
-	b43_lo_fixup_rfatt(&rf);
-
-	cal = b43_get_calib_lo_settings(dev, &gphy->bbatt, &rf);
-	if (!cal)
-		return;
-	b43_lo_write(dev, &cal->ctl);
-}
-
-void b43_lo_g_adjust_to(struct b43_wldev *dev,
-			u16 rfatt, u16 bbatt, u16 tx_control)
-{
-	struct b43_rfatt rf;
-	struct b43_bbatt bb;
-	struct b43_lo_calib *cal;
-
-	memset(&rf, 0, sizeof(rf));
-	memset(&bb, 0, sizeof(bb));
-	rf.att = rfatt;
-	bb.att = bbatt;
-	b43_lo_fixup_rfatt(&rf);
-	cal = b43_get_calib_lo_settings(dev, &bb, &rf);
-	if (!cal)
-		return;
-	b43_lo_write(dev, &cal->ctl);
-}
-
-/* Periodic LO maintenance work */
-void b43_lo_g_maintenance_work(struct b43_wldev *dev)
-{
-	struct b43_phy *phy = &dev->phy;
-	struct b43_phy_g *gphy = phy->g;
-	struct b43_txpower_lo_control *lo = gphy->lo_control;
-	unsigned long now;
-	unsigned long expire;
-	struct b43_lo_calib *cal, *tmp;
-	bool current_item_expired = false;
-	bool hwpctl;
-
-	if (!lo)
-		return;
-	now = jiffies;
-	hwpctl = b43_has_hardware_pctl(dev);
-
-	if (hwpctl) {
-		/* Read the power vector and update it, if needed. */
-		expire = now - B43_LO_PWRVEC_EXPIRE;
-		if (time_before(lo->pwr_vec_read_time, expire)) {
-			lo_read_power_vector(dev);
-			b43_gphy_dc_lt_init(dev, 0);
-		}
-		//FIXME Recalc the whole DC table from time to time?
-	}
-
-	if (hwpctl)
-		return;
-	/* Search for expired LO settings. Remove them.
-	 * Recalibrate the current setting, if expired. */
-	expire = now - B43_LO_CALIB_EXPIRE;
-	list_for_each_entry_safe(cal, tmp, &lo->calib_list, list) {
-		if (!time_before(cal->calib_time, expire))
-			continue;
-		/* This item expired. */
-		if (b43_compare_bbatt(&cal->bbatt, &gphy->bbatt) &&
-		    b43_compare_rfatt(&cal->rfatt, &gphy->rfatt)) {
-			B43_WARN_ON(current_item_expired);
-			current_item_expired = true;
-		}
-		if (b43_debug(dev, B43_DBG_LO)) {
-			b43dbg(dev->wl, "LO: Item BB(%u), RF(%u,%u), "
-			       "I=%d, Q=%d expired\n",
-			       cal->bbatt.att, cal->rfatt.att,
-			       cal->rfatt.with_padmix,
-			       cal->ctl.i, cal->ctl.q);
-		}
-		list_del(&cal->list);
-		kfree(cal);
-	}
-	if (current_item_expired || unlikely(list_empty(&lo->calib_list))) {
-		/* Recalibrate currently used LO setting. */
-		if (b43_debug(dev, B43_DBG_LO))
-			b43dbg(dev->wl, "LO: Recalibrating current LO setting\n");
-		cal = b43_calibrate_lo_setting(dev, &gphy->bbatt, &gphy->rfatt);
-		if (cal) {
-			list_add(&cal->list, &lo->calib_list);
-			b43_lo_write(dev, &cal->ctl);
-		} else
-			b43warn(dev->wl, "Failed to recalibrate current LO setting\n");
-	}
-}
-
-void b43_lo_g_cleanup(struct b43_wldev *dev)
-{
-	struct b43_txpower_lo_control *lo = dev->phy.g->lo_control;
-	struct b43_lo_calib *cal, *tmp;
-
-	if (!lo)
-		return;
-	list_for_each_entry_safe(cal, tmp, &lo->calib_list, list) {
-		list_del(&cal->list);
-		kfree(cal);
-	}
-}
-
-/* LO Initialization */
-void b43_lo_g_init(struct b43_wldev *dev)
-{
-	if (b43_has_hardware_pctl(dev)) {
-		lo_read_power_vector(dev);
-		b43_gphy_dc_lt_init(dev, 1);
-	}
-}