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path: root/drivers/net/wireless/b43/lo.c
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Diffstat (limited to 'drivers/net/wireless/b43/lo.c')
-rw-r--r--drivers/net/wireless/b43/lo.c1261
1 files changed, 1261 insertions, 0 deletions
diff --git a/drivers/net/wireless/b43/lo.c b/drivers/net/wireless/b43/lo.c
new file mode 100644
index 00000000000..b14a1753a0d
--- /dev/null
+++ b/drivers/net/wireless/b43/lo.c
@@ -0,0 +1,1261 @@
+/*
+
+ 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 <st3@riseup.net>
+ Copyright (c) 2005-2007 Michael Buesch <mb@bu3sch.de>
+ 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.h"
+#include "main.h"
+
+#include <linux/delay.h>
+#include <linux/sched.h>
+
+
+/* Define to 1 to always calibrate all possible LO control pairs.
+ * This is a workaround until we fix the partial LO calibration optimization. */
+#define B43_CALIB_ALL_LOCTLS 1
+
+
+/* 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;
+ u16 reg;
+
+ 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;
+ }
+ }
+
+ value = (u8) (control->q);
+ value |= ((u8) (control->i)) << 8;
+
+ reg = (phy->type == B43_PHYTYPE_B) ? 0x002F : B43_PHY_LO_CTL;
+ b43_phy_write(dev, reg, value);
+}
+
+static int assert_rfatt_and_bbatt(const struct b43_rfatt *rfatt,
+ const struct b43_bbatt *bbatt,
+ struct b43_wldev *dev)
+{
+ int err = 0;
+
+ /* Check the attenuation values against the LO control array sizes. */
+ if (unlikely(rfatt->att >= B43_NR_RF)) {
+ b43err(dev->wl, "rfatt(%u) >= size of LO array\n", rfatt->att);
+ err = -EINVAL;
+ }
+ if (unlikely(bbatt->att >= B43_NR_BB)) {
+ b43err(dev->wl, "bbatt(%u) >= size of LO array\n", bbatt->att);
+ err = -EINVAL;
+ }
+
+ return err;
+}
+
+#if !B43_CALIB_ALL_LOCTLS
+static
+struct b43_loctl *b43_get_lo_g_ctl_nopadmix(struct b43_wldev *dev,
+ const struct b43_rfatt *rfatt,
+ const struct b43_bbatt *bbatt)
+{
+ struct b43_phy *phy = &dev->phy;
+ struct b43_txpower_lo_control *lo = phy->lo_control;
+
+ if (assert_rfatt_and_bbatt(rfatt, bbatt, dev))
+ return &(lo->no_padmix[0][0]); /* Just prevent a crash */
+ return &(lo->no_padmix[bbatt->att][rfatt->att]);
+}
+#endif /* !B43_CALIB_ALL_LOCTLS */
+
+struct b43_loctl *b43_get_lo_g_ctl(struct b43_wldev *dev,
+ const struct b43_rfatt *rfatt,
+ const struct b43_bbatt *bbatt)
+{
+ struct b43_phy *phy = &dev->phy;
+ struct b43_txpower_lo_control *lo = phy->lo_control;
+
+ if (assert_rfatt_and_bbatt(rfatt, bbatt, dev))
+ return &(lo->no_padmix[0][0]); /* Just prevent a crash */
+ if (rfatt->with_padmix)
+ return &(lo->with_padmix[bbatt->att][rfatt->att]);
+ return &(lo->no_padmix[bbatt->att][rfatt->att]);
+}
+
+/* Call a function for every possible LO control value-pair. */
+static void b43_call_for_each_loctl(struct b43_wldev *dev,
+ void (*func) (struct b43_wldev *,
+ struct b43_loctl *))
+{
+ struct b43_phy *phy = &dev->phy;
+ struct b43_txpower_lo_control *ctl = phy->lo_control;
+ int i, j;
+
+ for (i = 0; i < B43_NR_BB; i++) {
+ for (j = 0; j < B43_NR_RF; j++)
+ func(dev, &(ctl->with_padmix[i][j]));
+ }
+ for (i = 0; i < B43_NR_BB; i++) {
+ for (j = 0; j < B43_NR_RF; j++)
+ func(dev, &(ctl->no_padmix[i][j]));
+ }
+}
+
+static u16 lo_b_r15_loop(struct b43_wldev *dev)
+{
+ int i;
+ u16 ret = 0;
+
+ for (i = 0; i < 10; i++) {
+ b43_phy_write(dev, 0x0015, 0xAFA0);
+ udelay(1);
+ b43_phy_write(dev, 0x0015, 0xEFA0);
+ udelay(10);
+ b43_phy_write(dev, 0x0015, 0xFFA0);
+ udelay(40);
+ ret += b43_phy_read(dev, 0x002C);
+ }
+
+ return ret;
+}
+
+void b43_lo_b_measure(struct b43_wldev *dev)
+{
+ struct b43_phy *phy = &dev->phy;
+ u16 regstack[12] = { 0 };
+ u16 mls;
+ u16 fval;
+ int i, j;
+
+ regstack[0] = b43_phy_read(dev, 0x0015);
+ regstack[1] = b43_radio_read16(dev, 0x0052) & 0xFFF0;
+
+ if (phy->radio_ver == 0x2053) {
+ regstack[2] = b43_phy_read(dev, 0x000A);
+ regstack[3] = b43_phy_read(dev, 0x002A);
+ regstack[4] = b43_phy_read(dev, 0x0035);
+ regstack[5] = b43_phy_read(dev, 0x0003);
+ regstack[6] = b43_phy_read(dev, 0x0001);
+ regstack[7] = b43_phy_read(dev, 0x0030);
+
+ regstack[8] = b43_radio_read16(dev, 0x0043);
+ regstack[9] = b43_radio_read16(dev, 0x007A);
+ regstack[10] = b43_read16(dev, 0x03EC);
+ regstack[11] = b43_radio_read16(dev, 0x0052) & 0x00F0;
+
+ b43_phy_write(dev, 0x0030, 0x00FF);
+ b43_write16(dev, 0x03EC, 0x3F3F);
+ b43_phy_write(dev, 0x0035, regstack[4] & 0xFF7F);
+ b43_radio_write16(dev, 0x007A, regstack[9] & 0xFFF0);
+ }
+ b43_phy_write(dev, 0x0015, 0xB000);
+ b43_phy_write(dev, 0x002B, 0x0004);
+
+ if (phy->radio_ver == 0x2053) {
+ b43_phy_write(dev, 0x002B, 0x0203);
+ b43_phy_write(dev, 0x002A, 0x08A3);
+ }
+
+ phy->minlowsig[0] = 0xFFFF;
+
+ for (i = 0; i < 4; i++) {
+ b43_radio_write16(dev, 0x0052, regstack[1] | i);
+ lo_b_r15_loop(dev);
+ }
+ for (i = 0; i < 10; i++) {
+ b43_radio_write16(dev, 0x0052, regstack[1] | i);
+ mls = lo_b_r15_loop(dev) / 10;
+ if (mls < phy->minlowsig[0]) {
+ phy->minlowsig[0] = mls;
+ phy->minlowsigpos[0] = i;
+ }
+ }
+ b43_radio_write16(dev, 0x0052, regstack[1] | phy->minlowsigpos[0]);
+
+ phy->minlowsig[1] = 0xFFFF;
+
+ for (i = -4; i < 5; i += 2) {
+ for (j = -4; j < 5; j += 2) {
+ if (j < 0)
+ fval = (0x0100 * i) + j + 0x0100;
+ else
+ fval = (0x0100 * i) + j;
+ b43_phy_write(dev, 0x002F, fval);
+ mls = lo_b_r15_loop(dev) / 10;
+ if (mls < phy->minlowsig[1]) {
+ phy->minlowsig[1] = mls;
+ phy->minlowsigpos[1] = fval;
+ }
+ }
+ }
+ phy->minlowsigpos[1] += 0x0101;
+
+ b43_phy_write(dev, 0x002F, phy->minlowsigpos[1]);
+ if (phy->radio_ver == 0x2053) {
+ b43_phy_write(dev, 0x000A, regstack[2]);
+ b43_phy_write(dev, 0x002A, regstack[3]);
+ b43_phy_write(dev, 0x0035, regstack[4]);
+ b43_phy_write(dev, 0x0003, regstack[5]);
+ b43_phy_write(dev, 0x0001, regstack[6]);
+ b43_phy_write(dev, 0x0030, regstack[7]);
+
+ b43_radio_write16(dev, 0x0043, regstack[8]);
+ b43_radio_write16(dev, 0x007A, regstack[9]);
+
+ b43_radio_write16(dev, 0x0052,
+ (b43_radio_read16(dev, 0x0052) & 0x000F)
+ | regstack[11]);
+
+ b43_write16(dev, 0x03EC, regstack[10]);
+ }
+ b43_phy_write(dev, 0x0015, regstack[0]);
+}
+
+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.r1.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_txpower_lo_control *lo = phy->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 = phy->max_lb_gain / 2;
+ if (lb_gain > 10) {
+ radio_pctl_reg = 0;
+ pga = abs(10 - lb_gain) / 6;
+ pga = limit_value(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_write16(dev, 0x43, (b43_radio_read16(dev, 0x43)
+ & 0xFFF0) | radio_pctl_reg);
+ b43_phy_set_baseband_attenuation(dev, 2);
+
+ reg = lo_txctl_register_table(dev, &mask, NULL);
+ mask = ~mask;
+ b43_radio_write16(dev, reg, b43_radio_read16(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_write16(dev, 0x52,
+ (b43_radio_read16(dev, 0x52)
+ & 0xFF0F) | tx_magn);
+ for (j = 0; j < ARRAY_SIZE(tx_bias_values); j++) {
+ tx_bias = tx_bias_values[j];
+ b43_radio_write16(dev, 0x52,
+ (b43_radio_read16(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_write16(dev, 0x52, b43_radio_read16(dev, 0x52)
+ & 0xFFF0); /* TX bias == 0 */
+ }
+}
+
+static void lo_read_power_vector(struct b43_wldev *dev)
+{
+ struct b43_phy *phy = &dev->phy;
+ struct b43_txpower_lo_control *lo = phy->lo_control;
+ u16 i;
+ u64 tmp;
+ u64 power_vector = 0;
+ int rf_offset, bb_offset;
+ struct b43_loctl *loctl;
+
+ for (i = 0; i < 8; i += 2) {
+ tmp = b43_shm_read16(dev, B43_SHM_SHARED, 0x310 + i);
+ /* Clear the top byte. We get holes in the bitmap... */
+ tmp &= 0xFF;
+ 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;
+ power_vector = lo->power_vector;
+
+ for (i = 0; i < 64; i++) {
+ if (power_vector & ((u64) 1ULL << i)) {
+ /* Now figure out which b43_loctl corresponds
+ * to this bit.
+ */
+ rf_offset = i / lo->rfatt_list.len;
+ bb_offset = i % lo->rfatt_list.len; //FIXME?
+ loctl =
+ b43_get_lo_g_ctl(dev,
+ &lo->rfatt_list.list[rf_offset],
+ &lo->bbatt_list.list[bb_offset]);
+ /* And mark it as "used", as the device told us
+ * through the bitmap it is using it.
+ */
+ loctl->used = 1;
+ }
+ }
+}
+
+/* 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;
+ u16 tmp;
+
+ if (max_rx_gain < 0)
+ max_rx_gain = 0;
+
+ if (has_loopback_gain(phy)) {
+ int trsw_rx = 0;
+ int trsw_rx_gain;
+
+ if (use_trsw_rx) {
+ trsw_rx_gain = phy->trsw_rx_gain / 2;
+ if (max_rx_gain >= trsw_rx_gain) {
+ trsw_rx_gain = max_rx_gain - trsw_rx_gain;
+ trsw_rx = 0x20;
+ }
+ } else
+ trsw_rx_gain = max_rx_gain;
+ if (trsw_rx_gain < 9) {
+ phy->lna_lod_gain = 0;
+ } else {
+ phy->lna_lod_gain = 1;
+ trsw_rx_gain -= 8;
+ }
+ trsw_rx_gain = limit_value(trsw_rx_gain, 0, 0x2D);
+ phy->pga_gain = trsw_rx_gain / 3;
+ if (phy->pga_gain >= 5) {
+ phy->pga_gain -= 5;
+ phy->lna_gain = 2;
+ } else
+ phy->lna_gain = 0;
+ } else {
+ phy->lna_gain = 0;
+ phy->trsw_rx_gain = 0x20;
+ if (max_rx_gain >= 0x14) {
+ phy->lna_lod_gain = 1;
+ phy->pga_gain = 2;
+ } else if (max_rx_gain >= 0x12) {
+ phy->lna_lod_gain = 1;
+ phy->pga_gain = 1;
+ } else if (max_rx_gain >= 0xF) {
+ phy->lna_lod_gain = 1;
+ phy->pga_gain = 0;
+ } else {
+ phy->lna_lod_gain = 0;
+ phy->pga_gain = 0;
+ }
+ }
+
+ tmp = b43_radio_read16(dev, 0x7A);
+ if (phy->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_base_14;
+ u16 phy_hpwr_tssictl;
+ u16 phy_analogover;
+ u16 phy_analogoverval;
+ u16 phy_rfover;
+ u16 phy_rfoverval;
+ u16 phy_classctl;
+ u16 phy_base_3E;
+ u16 phy_crs0;
+ u16 phy_pgactl;
+ u16 phy_base_2A;
+ u16 phy_syncctl;
+ u16 phy_base_30;
+ u16 phy_base_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_txpower_lo_control *lo = phy->lo_control;
+ u16 tmp;
+
+ if (b43_has_hardware_pctl(phy)) {
+ 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_base_14 = b43_phy_read(dev, B43_PHY_BASE(0x14));
+ sav->phy_hpwr_tssictl = b43_phy_read(dev, B43_PHY_HPWR_TSSICTL);
+
+ b43_phy_write(dev, B43_PHY_HPWR_TSSICTL,
+ b43_phy_read(dev, B43_PHY_HPWR_TSSICTL)
+ | 0x100);
+ b43_phy_write(dev, B43_PHY_EXTG(0x01),
+ b43_phy_read(dev, B43_PHY_EXTG(0x01))
+ | 0x40);
+ b43_phy_write(dev, B43_PHY_DACCTL,
+ b43_phy_read(dev, B43_PHY_DACCTL)
+ | 0x40);
+ b43_phy_write(dev, B43_PHY_BASE(0x14),
+ b43_phy_read(dev, B43_PHY_BASE(0x14))
+ | 0x200);
+ }
+ if (phy->type == B43_PHYTYPE_B &&
+ phy->radio_ver == 0x2050 && phy->radio_rev < 6) {
+ b43_phy_write(dev, B43_PHY_BASE(0x16), 0x410);
+ b43_phy_write(dev, B43_PHY_BASE(0x17), 0x820);
+ }
+ if (!lo->rebuild && b43_has_hardware_pctl(phy))
+ lo_read_power_vector(dev);
+ 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_base_3E = b43_phy_read(dev, B43_PHY_BASE(0x3E));
+ sav->phy_crs0 = b43_phy_read(dev, B43_PHY_CRS0);
+
+ b43_phy_write(dev, B43_PHY_CLASSCTL,
+ b43_phy_read(dev, B43_PHY_CLASSCTL)
+ & 0xFFFC);
+ b43_phy_write(dev, B43_PHY_CRS0, b43_phy_read(dev, B43_PHY_CRS0)
+ & 0x7FFF);
+ b43_phy_write(dev, B43_PHY_ANALOGOVER,
+ b43_phy_read(dev, B43_PHY_ANALOGOVER)
+ | 0x0003);
+ b43_phy_write(dev, B43_PHY_ANALOGOVERVAL,
+ b43_phy_read(dev, B43_PHY_ANALOGOVERVAL)
+ & 0xFFFC);
+ if (phy->type == B43_PHYTYPE_G) {
+ if ((phy->rev >= 7) &&
+ (sprom->r1.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_BASE(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_base_2A = b43_phy_read(dev, B43_PHY_BASE(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_base_30 = b43_phy_read(dev, B43_PHY_BASE(0x30));
+ sav->phy_base_06 = b43_phy_read(dev, B43_PHY_BASE(0x06));
+ b43_phy_write(dev, B43_PHY_BASE(0x30), 0x00FF);
+ b43_phy_write(dev, B43_PHY_BASE(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_BASE(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_BASE(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_BASE(0x2B), 0x1003);
+ } else
+ b43_phy_write(dev, B43_PHY_BASE(0x2B), 0x0802);
+ if (phy->rev >= 2)
+ b43_dummy_transmission(dev);
+ b43_radio_selectchannel(dev, 6, 0);
+ b43_radio_read16(dev, 0x51); /* dummy read */
+ if (phy->type == B43_PHYTYPE_G)
+ b43_phy_write(dev, B43_PHY_BASE(0x2F), 0);
+ if (lo->rebuild)
+ 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_BASE(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_txpower_lo_control *lo = phy->lo_control;
+ u16 tmp;
+
+ if (phy->rev >= 2) {
+ b43_phy_write(dev, B43_PHY_PGACTL, 0xE300);
+ tmp = (phy->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 = (phy->pga_gain | 0xEFA0);
+ b43_phy_write(dev, B43_PHY_PGACTL, tmp);
+ }
+ if (b43_has_hardware_pctl(phy)) {
+ b43_gphy_dc_lt_init(dev);
+ } else {
+ if (lo->rebuild)
+ b43_lo_g_adjust_to(dev, 3, 2, 0);
+ else
+ b43_lo_g_adjust(dev);
+ }
+ if (phy->type == B43_PHYTYPE_G) {
+ if (phy->rev >= 3)
+ b43_phy_write(dev, B43_PHY_BASE(0x2E), 0xC078);
+ else
+ b43_phy_write(dev, B43_PHY_BASE(0x2E), 0x8078);
+ if (phy->rev >= 2)
+ b43_phy_write(dev, B43_PHY_BASE(0x2F), 0x0202);
+ else
+ b43_phy_write(dev, B43_PHY_BASE(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_BASE(0x2A), sav->phy_base_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_write16(dev, 0x52, (b43_radio_read16(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_BASE(0x30), sav->phy_base_30);
+ b43_phy_write(dev, B43_PHY_BASE(0x06), sav->phy_base_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_BASE(0x3E), sav->phy_base_3E);
+ b43_phy_write(dev, B43_PHY_CRS0, sav->phy_crs0);
+ }
+ if (b43_has_hardware_pctl(phy)) {
+ 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_BASE(0x14), sav->phy_base_14);
+ b43_phy_write(dev, B43_PHY_HPWR_TSSICTL, sav->phy_hpwr_tssictl);
+ }
+ b43_radio_selectchannel(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_txpower_lo_control *lo = phy->lo_control;
+ 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, phy->lna_gain,
+ phy->pga_gain,
+ phy->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) || lo->rebuild))
+ 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_txpower_lo_control *lo = phy->lo_control;
+ 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) && !lo->rebuild)
+ d.state_val_multiplier = 3;
+
+ memcpy(&d.min_loctl, loctl, sizeof(struct b43_loctl));
+ if (has_loopback_gain(phy) && lo->rebuild)
+ max_repeat = 4;
+ do {
+ b43_lo_write(dev, &d.min_loctl);
+ feedth = lo_measure_feedthrough(dev, phy->lna_gain,
+ phy->pga_gain,
+ phy->trsw_rx_gain);
+ if (!lo->rebuild && feedth < 0x258) {
+ if (feedth >= 0x12C)
+ *max_rx_gain += 6;
+ else
+ *max_rx_gain += 3;
+ feedth = lo_measure_feedthrough(dev, phy->lna_gain,
+ phy->pga_gain,
+ phy->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);
+}
+
+#if B43_CALIB_ALL_LOCTLS
+static const struct b43_rfatt b43_full_rfatt_list_items[] = {
+ { .att = 0, .with_padmix = 0, },
+ { .att = 1, .with_padmix = 0, },
+ { .att = 2, .with_padmix = 0, },
+ { .att = 3, .with_padmix = 0, },
+ { .att = 4, .with_padmix = 0, },
+ { .att = 5, .with_padmix = 0, },
+ { .att = 6, .with_padmix = 0, },
+ { .att = 7, .with_padmix = 0, },
+ { .att = 8, .with_padmix = 0, },
+ { .att = 9, .with_padmix = 0, },
+ { .att = 10, .with_padmix = 0, },
+ { .att = 11, .with_padmix = 0, },
+ { .att = 12, .with_padmix = 0, },
+ { .att = 13, .with_padmix = 0, },
+ { .att = 14, .with_padmix = 0, },
+ { .att = 15, .with_padmix = 0, },
+ { .att = 0, .with_padmix = 1, },
+ { .att = 1, .with_padmix = 1, },
+ { .att = 2, .with_padmix = 1, },
+ { .att = 3, .with_padmix = 1, },
+ { .att = 4, .with_padmix = 1, },
+ { .att = 5, .with_padmix = 1, },
+ { .att = 6, .with_padmix = 1, },
+ { .att = 7, .with_padmix = 1, },
+ { .att = 8, .with_padmix = 1, },
+ { .att = 9, .with_padmix = 1, },
+ { .att = 10, .with_padmix = 1, },
+ { .att = 11, .with_padmix = 1, },
+ { .att = 12, .with_padmix = 1, },
+ { .att = 13, .with_padmix = 1, },
+ { .att = 14, .with_padmix = 1, },
+ { .att = 15, .with_padmix = 1, },
+};
+static const struct b43_rfatt_list b43_full_rfatt_list = {
+ .list = b43_full_rfatt_list_items,
+ .len = ARRAY_SIZE(b43_full_rfatt_list_items),
+};
+
+static const struct b43_bbatt b43_full_bbatt_list_items[] = {
+ { .att = 0, },
+ { .att = 1, },
+ { .att = 2, },
+ { .att = 3, },
+ { .att = 4, },
+ { .att = 5, },
+ { .att = 6, },
+ { .att = 7, },
+ { .att = 8, },
+ { .att = 9, },
+ { .att = 10, },
+ { .att = 11, },
+};
+static const struct b43_bbatt_list b43_full_bbatt_list = {
+ .list = b43_full_bbatt_list_items,
+ .len = ARRAY_SIZE(b43_full_bbatt_list_items),
+};
+#endif /* B43_CALIB_ALL_LOCTLS */
+
+static void lo_measure(struct b43_wldev *dev)
+{
+ struct b43_phy *phy = &dev->phy;
+ struct b43_txpower_lo_control *lo = phy->lo_control;
+ struct b43_loctl loctl = {
+ .i = 0,
+ .q = 0,
+ };
+ struct b43_loctl *ploctl;
+ int max_rx_gain;
+ int rfidx, bbidx;
+ const struct b43_bbatt_list *bbatt_list;
+ const struct b43_rfatt_list *rfatt_list;
+
+ /* Values from the "TXCTL Register and Value Table" */
+ u16 txctl_reg;
+ u16 txctl_value;
+ u16 pad_mix_gain;
+
+ bbatt_list = &lo->bbatt_list;
+ rfatt_list = &lo->rfatt_list;
+#if B43_CALIB_ALL_LOCTLS
+ bbatt_list = &b43_full_bbatt_list;
+ rfatt_list = &b43_full_rfatt_list;
+#endif
+
+ txctl_reg = lo_txctl_register_table(dev, &txctl_value, &pad_mix_gain);
+
+ for (rfidx = 0; rfidx < rfatt_list->len; rfidx++) {
+
+ b43_radio_write16(dev, 0x43, (b43_radio_read16(dev, 0x43)
+ & 0xFFF0) |
+ rfatt_list->list[rfidx].att);
+ b43_radio_write16(dev, txctl_reg,
+ (b43_radio_read16(dev, txctl_reg)
+ & ~txctl_value)
+ | (rfatt_list->list[rfidx].with_padmix ?
+ txctl_value : 0));
+
+ for (bbidx = 0; bbidx < bbatt_list->len; bbidx++) {
+ if (lo->rebuild) {
+#if B43_CALIB_ALL_LOCTLS
+ ploctl = b43_get_lo_g_ctl(dev,
+ &rfatt_list->list[rfidx],
+ &bbatt_list->list[bbidx]);
+#else
+ ploctl = b43_get_lo_g_ctl_nopadmix(dev,
+ &rfatt_list->
+ list[rfidx],
+ &bbatt_list->
+ list[bbidx]);
+#endif
+ } else {
+ ploctl = b43_get_lo_g_ctl(dev,
+ &rfatt_list->list[rfidx],
+ &bbatt_list->list[bbidx]);
+ if (!ploctl->used)
+ continue;
+ }
+ memcpy(&loctl, ploctl, sizeof(loctl));
+ loctl.i = 0;
+ loctl.q = 0;
+
+ max_rx_gain = rfatt_list->list[rfidx].att * 2;
+ max_rx_gain += bbatt_list->list[bbidx].att / 2;
+ if (rfatt_list->list[rfidx].with_padmix)
+ max_rx_gain -= pad_mix_gain;
+ if (has_loopback_gain(phy))
+ max_rx_gain += phy->max_lb_gain;
+ lo_measure_gain_values(dev, max_rx_gain,
+ has_loopback_gain(phy));
+
+ b43_phy_set_baseband_attenuation(dev,
+ bbatt_list->list[bbidx].att);
+ lo_probe_loctls_statemachine(dev, &loctl, &max_rx_gain);
+ if (phy->type == B43_PHYTYPE_B) {
+ loctl.i++;
+ loctl.q++;
+ }
+ b43_loctl_set_calibrated(&loctl, 1);
+ memcpy(ploctl, &loctl, sizeof(loctl));
+ }
+ }
+}
+
+#if B43_DEBUG
+static void do_validate_loctl(struct b43_wldev *dev, struct b43_loctl *control)
+{
+ const int is_initializing = (b43_status(dev) == B43_STAT_UNINIT);
+ int i = control->i;
+ int q = control->q;
+
+ if (b43_loctl_is_calibrated(control)) {
+ if ((abs(i) > 16) || (abs(q) > 16))
+ goto error;
+ } else {
+ if (control->used)
+ goto error;
+ if (dev->phy.lo_control->rebuild) {
+ control->i = 0;
+ control->q = 0;
+ if ((i != B43_LOCTL_POISON) ||
+ (q != B43_LOCTL_POISON))
+ goto error;
+ }
+ }
+ if (is_initializing && control->used)
+ goto error;
+
+ return;
+error:
+ b43err(dev->wl, "LO control pair validation failed "
+ "(I: %d, Q: %d, used %u, calib: %u, initing: %d)\n",
+ i, q, control->used,
+ b43_loctl_is_calibrated(control),
+ is_initializing);
+}
+
+static void validate_all_loctls(struct b43_wldev *dev)
+{
+ b43_call_for_each_loctl(dev, do_validate_loctl);
+}
+
+static void do_reset_calib(struct b43_wldev *dev, struct b43_loctl *control)
+{
+ if (dev->phy.lo_control->rebuild ||
+ control->used) {
+ b43_loctl_set_calibrated(control, 0);
+ control->i = B43_LOCTL_POISON;
+ control->q = B43_LOCTL_POISON;
+ }
+}
+
+static void reset_all_loctl_calibration_states(struct b43_wldev *dev)
+{
+ b43_call_for_each_loctl(dev, do_reset_calib);
+}
+
+#else /* B43_DEBUG */
+static inline void validate_all_loctls(struct b43_wldev *dev) { }
+static inline void reset_all_loctl_calibration_states(struct b43_wldev *dev) { }
+#endif /* B43_DEBUG */
+
+void b43_lo_g_measure(struct b43_wldev *dev)
+{
+ struct b43_phy *phy = &dev->phy;
+ struct lo_g_saved_values uninitialized_var(sav);
+
+ B43_WARN_ON((phy->type != B43_PHYTYPE_B) &&
+ (phy->type != B43_PHYTYPE_G));
+
+ sav.old_channel = phy->channel;
+ lo_measure_setup(dev, &sav);
+ reset_all_loctl_calibration_states(dev);
+ lo_measure(dev);
+ lo_measure_restore(dev, &sav);
+
+ validate_all_loctls(dev);
+
+ phy->lo_control->lo_measured = 1;
+ phy->lo_control->rebuild = 0;
+}
+
+#if B43_DEBUG
+static void validate_loctl_calibration(struct b43_wldev *dev,
+ struct b43_loctl *loctl,
+ struct b43_rfatt *rfatt,
+ struct b43_bbatt *bbatt)
+{
+ if (b43_loctl_is_calibrated(loctl))
+ return;
+ if (!dev->phy.lo_control->lo_measured) {
+ /* On init we set the attenuation values before we
+ * calibrated the LO. I guess that's OK. */
+ return;
+ }
+ b43err(dev->wl, "Adjusting Local Oscillator to an uncalibrated "
+ "control pair: rfatt=%u,%spadmix bbatt=%u\n",
+ rfatt->att,
+ (rfatt->with_padmix) ? "" : "no-",
+ bbatt->att);
+}
+#else
+static inline void validate_loctl_calibration(struct b43_wldev *dev,
+ struct b43_loctl *loctl,
+ struct b43_rfatt *rfatt,
+ struct b43_bbatt *bbatt)
+{
+}
+#endif
+
+static inline void fixup_rfatt_for_txcontrol(struct b43_rfatt *rf,
+ u8 tx_control)
+{
+ if (tx_control & B43_TXCTL_TXMIX) {
+ if (rf->att < 5)
+ rf->att = 4;
+ }
+}
+
+void b43_lo_g_adjust(struct b43_wldev *dev)
+{
+ struct b43_phy *phy = &dev->phy;
+ struct b43_rfatt rf;
+ struct b43_loctl *loctl;
+
+ memcpy(&rf, &phy->rfatt, sizeof(rf));
+ fixup_rfatt_for_txcontrol(&rf, phy->tx_control);
+
+ loctl = b43_get_lo_g_ctl(dev, &rf, &phy->bbatt);
+ validate_loctl_calibration(dev, loctl, &rf, &phy->bbatt);
+ b43_lo_write(dev, loctl);
+}
+
+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_loctl *loctl;
+
+ memset(&rf, 0, sizeof(rf));
+ memset(&bb, 0, sizeof(bb));
+ rf.att = rfatt;
+ bb.att = bbatt;
+ fixup_rfatt_for_txcontrol(&rf, tx_control);
+ loctl = b43_get_lo_g_ctl(dev, &rf, &bb);
+ validate_loctl_calibration(dev, loctl, &rf, &bb);
+ b43_lo_write(dev, loctl);
+}
+
+static void do_mark_unused(struct b43_wldev *dev, struct b43_loctl *control)
+{
+ control->used = 0;
+}
+
+void b43_lo_g_ctl_mark_all_unused(struct b43_wldev *dev)
+{
+ struct b43_phy *phy = &dev->phy;
+ struct b43_txpower_lo_control *lo = phy->lo_control;
+
+ b43_call_for_each_loctl(dev, do_mark_unused);
+ lo->rebuild = 1;
+}
+
+void b43_lo_g_ctl_mark_cur_used(struct b43_wldev *dev)
+{
+ struct b43_phy *phy = &dev->phy;
+ struct b43_rfatt rf;
+
+ memcpy(&rf, &phy->rfatt, sizeof(rf));
+ fixup_rfatt_for_txcontrol(&rf, phy->tx_control);
+
+ b43_get_lo_g_ctl(dev, &rf, &phy->bbatt)->used = 1;
+}