mirror of https://gitee.com/openkylin/linux.git
1262 lines
33 KiB
C
1262 lines
33 KiB
C
/*
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Broadcom B43 wireless driver
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G PHY LO (LocalOscillator) Measuring and Control routines
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Copyright (c) 2005 Martin Langer <martin-langer@gmx.de>,
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Copyright (c) 2005, 2006 Stefano Brivio <stefano.brivio@polimi.it>
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Copyright (c) 2005-2007 Michael Buesch <mb@bu3sch.de>
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Copyright (c) 2005, 2006 Danny van Dyk <kugelfang@gentoo.org>
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Copyright (c) 2005, 2006 Andreas Jaggi <andreas.jaggi@waterwave.ch>
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; see the file COPYING. If not, write to
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the Free Software Foundation, Inc., 51 Franklin Steet, Fifth Floor,
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Boston, MA 02110-1301, USA.
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*/
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#include "b43.h"
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#include "lo.h"
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#include "phy.h"
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#include "main.h"
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#include <linux/delay.h>
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#include <linux/sched.h>
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/* Define to 1 to always calibrate all possible LO control pairs.
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* This is a workaround until we fix the partial LO calibration optimization. */
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#define B43_CALIB_ALL_LOCTLS 1
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/* Write the LocalOscillator Control (adjust) value-pair. */
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static void b43_lo_write(struct b43_wldev *dev, struct b43_loctl *control)
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{
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struct b43_phy *phy = &dev->phy;
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u16 value;
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u16 reg;
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if (B43_DEBUG) {
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if (unlikely(abs(control->i) > 16 || abs(control->q) > 16)) {
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b43dbg(dev->wl, "Invalid LO control pair "
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"(I: %d, Q: %d)\n", control->i, control->q);
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dump_stack();
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return;
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}
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}
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value = (u8) (control->q);
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value |= ((u8) (control->i)) << 8;
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reg = (phy->type == B43_PHYTYPE_B) ? 0x002F : B43_PHY_LO_CTL;
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b43_phy_write(dev, reg, value);
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}
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static int assert_rfatt_and_bbatt(const struct b43_rfatt *rfatt,
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const struct b43_bbatt *bbatt,
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struct b43_wldev *dev)
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{
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int err = 0;
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/* Check the attenuation values against the LO control array sizes. */
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if (unlikely(rfatt->att >= B43_NR_RF)) {
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b43err(dev->wl, "rfatt(%u) >= size of LO array\n", rfatt->att);
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err = -EINVAL;
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}
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if (unlikely(bbatt->att >= B43_NR_BB)) {
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b43err(dev->wl, "bbatt(%u) >= size of LO array\n", bbatt->att);
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err = -EINVAL;
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}
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return err;
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}
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#if !B43_CALIB_ALL_LOCTLS
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static
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struct b43_loctl *b43_get_lo_g_ctl_nopadmix(struct b43_wldev *dev,
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const struct b43_rfatt *rfatt,
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const struct b43_bbatt *bbatt)
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{
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struct b43_phy *phy = &dev->phy;
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struct b43_txpower_lo_control *lo = phy->lo_control;
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if (assert_rfatt_and_bbatt(rfatt, bbatt, dev))
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return &(lo->no_padmix[0][0]); /* Just prevent a crash */
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return &(lo->no_padmix[bbatt->att][rfatt->att]);
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}
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#endif /* !B43_CALIB_ALL_LOCTLS */
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struct b43_loctl *b43_get_lo_g_ctl(struct b43_wldev *dev,
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const struct b43_rfatt *rfatt,
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const struct b43_bbatt *bbatt)
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{
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struct b43_phy *phy = &dev->phy;
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struct b43_txpower_lo_control *lo = phy->lo_control;
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if (assert_rfatt_and_bbatt(rfatt, bbatt, dev))
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return &(lo->no_padmix[0][0]); /* Just prevent a crash */
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if (rfatt->with_padmix)
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return &(lo->with_padmix[bbatt->att][rfatt->att]);
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return &(lo->no_padmix[bbatt->att][rfatt->att]);
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}
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/* Call a function for every possible LO control value-pair. */
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static void b43_call_for_each_loctl(struct b43_wldev *dev,
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void (*func) (struct b43_wldev *,
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struct b43_loctl *))
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{
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struct b43_phy *phy = &dev->phy;
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struct b43_txpower_lo_control *ctl = phy->lo_control;
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int i, j;
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for (i = 0; i < B43_NR_BB; i++) {
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for (j = 0; j < B43_NR_RF; j++)
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func(dev, &(ctl->with_padmix[i][j]));
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}
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for (i = 0; i < B43_NR_BB; i++) {
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for (j = 0; j < B43_NR_RF; j++)
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func(dev, &(ctl->no_padmix[i][j]));
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}
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}
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static u16 lo_b_r15_loop(struct b43_wldev *dev)
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{
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int i;
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u16 ret = 0;
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for (i = 0; i < 10; i++) {
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b43_phy_write(dev, 0x0015, 0xAFA0);
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udelay(1);
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b43_phy_write(dev, 0x0015, 0xEFA0);
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udelay(10);
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b43_phy_write(dev, 0x0015, 0xFFA0);
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udelay(40);
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ret += b43_phy_read(dev, 0x002C);
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}
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return ret;
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}
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void b43_lo_b_measure(struct b43_wldev *dev)
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{
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struct b43_phy *phy = &dev->phy;
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u16 regstack[12] = { 0 };
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u16 mls;
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u16 fval;
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int i, j;
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regstack[0] = b43_phy_read(dev, 0x0015);
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regstack[1] = b43_radio_read16(dev, 0x0052) & 0xFFF0;
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if (phy->radio_ver == 0x2053) {
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regstack[2] = b43_phy_read(dev, 0x000A);
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regstack[3] = b43_phy_read(dev, 0x002A);
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regstack[4] = b43_phy_read(dev, 0x0035);
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regstack[5] = b43_phy_read(dev, 0x0003);
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regstack[6] = b43_phy_read(dev, 0x0001);
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regstack[7] = b43_phy_read(dev, 0x0030);
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regstack[8] = b43_radio_read16(dev, 0x0043);
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regstack[9] = b43_radio_read16(dev, 0x007A);
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regstack[10] = b43_read16(dev, 0x03EC);
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regstack[11] = b43_radio_read16(dev, 0x0052) & 0x00F0;
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b43_phy_write(dev, 0x0030, 0x00FF);
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b43_write16(dev, 0x03EC, 0x3F3F);
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b43_phy_write(dev, 0x0035, regstack[4] & 0xFF7F);
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b43_radio_write16(dev, 0x007A, regstack[9] & 0xFFF0);
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}
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b43_phy_write(dev, 0x0015, 0xB000);
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b43_phy_write(dev, 0x002B, 0x0004);
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if (phy->radio_ver == 0x2053) {
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b43_phy_write(dev, 0x002B, 0x0203);
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b43_phy_write(dev, 0x002A, 0x08A3);
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}
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phy->minlowsig[0] = 0xFFFF;
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for (i = 0; i < 4; i++) {
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b43_radio_write16(dev, 0x0052, regstack[1] | i);
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lo_b_r15_loop(dev);
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}
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for (i = 0; i < 10; i++) {
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b43_radio_write16(dev, 0x0052, regstack[1] | i);
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mls = lo_b_r15_loop(dev) / 10;
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if (mls < phy->minlowsig[0]) {
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phy->minlowsig[0] = mls;
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phy->minlowsigpos[0] = i;
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}
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}
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b43_radio_write16(dev, 0x0052, regstack[1] | phy->minlowsigpos[0]);
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phy->minlowsig[1] = 0xFFFF;
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for (i = -4; i < 5; i += 2) {
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for (j = -4; j < 5; j += 2) {
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if (j < 0)
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fval = (0x0100 * i) + j + 0x0100;
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else
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fval = (0x0100 * i) + j;
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b43_phy_write(dev, 0x002F, fval);
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mls = lo_b_r15_loop(dev) / 10;
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if (mls < phy->minlowsig[1]) {
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phy->minlowsig[1] = mls;
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phy->minlowsigpos[1] = fval;
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}
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}
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}
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phy->minlowsigpos[1] += 0x0101;
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b43_phy_write(dev, 0x002F, phy->minlowsigpos[1]);
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if (phy->radio_ver == 0x2053) {
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b43_phy_write(dev, 0x000A, regstack[2]);
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b43_phy_write(dev, 0x002A, regstack[3]);
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b43_phy_write(dev, 0x0035, regstack[4]);
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b43_phy_write(dev, 0x0003, regstack[5]);
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b43_phy_write(dev, 0x0001, regstack[6]);
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b43_phy_write(dev, 0x0030, regstack[7]);
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b43_radio_write16(dev, 0x0043, regstack[8]);
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b43_radio_write16(dev, 0x007A, regstack[9]);
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b43_radio_write16(dev, 0x0052,
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(b43_radio_read16(dev, 0x0052) & 0x000F)
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| regstack[11]);
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b43_write16(dev, 0x03EC, regstack[10]);
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}
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b43_phy_write(dev, 0x0015, regstack[0]);
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}
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static u16 lo_measure_feedthrough(struct b43_wldev *dev,
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u16 lna, u16 pga, u16 trsw_rx)
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{
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struct b43_phy *phy = &dev->phy;
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u16 rfover;
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u16 feedthrough;
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if (phy->gmode) {
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lna <<= B43_PHY_RFOVERVAL_LNA_SHIFT;
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pga <<= B43_PHY_RFOVERVAL_PGA_SHIFT;
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B43_WARN_ON(lna & ~B43_PHY_RFOVERVAL_LNA);
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B43_WARN_ON(pga & ~B43_PHY_RFOVERVAL_PGA);
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/*FIXME This assertion fails B43_WARN_ON(trsw_rx & ~(B43_PHY_RFOVERVAL_TRSWRX |
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B43_PHY_RFOVERVAL_BW));
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*/
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trsw_rx &= (B43_PHY_RFOVERVAL_TRSWRX | B43_PHY_RFOVERVAL_BW);
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/* Construct the RF Override Value */
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rfover = B43_PHY_RFOVERVAL_UNK;
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rfover |= pga;
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rfover |= lna;
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rfover |= trsw_rx;
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if ((dev->dev->bus->sprom.boardflags_lo & B43_BFL_EXTLNA)
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&& phy->rev > 6)
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rfover |= B43_PHY_RFOVERVAL_EXTLNA;
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b43_phy_write(dev, B43_PHY_PGACTL, 0xE300);
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b43_phy_write(dev, B43_PHY_RFOVERVAL, rfover);
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udelay(10);
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rfover |= B43_PHY_RFOVERVAL_BW_LBW;
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b43_phy_write(dev, B43_PHY_RFOVERVAL, rfover);
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udelay(10);
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rfover |= B43_PHY_RFOVERVAL_BW_LPF;
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b43_phy_write(dev, B43_PHY_RFOVERVAL, rfover);
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udelay(10);
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b43_phy_write(dev, B43_PHY_PGACTL, 0xF300);
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} else {
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pga |= B43_PHY_PGACTL_UNKNOWN;
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b43_phy_write(dev, B43_PHY_PGACTL, pga);
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udelay(10);
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pga |= B43_PHY_PGACTL_LOWBANDW;
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b43_phy_write(dev, B43_PHY_PGACTL, pga);
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udelay(10);
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pga |= B43_PHY_PGACTL_LPF;
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b43_phy_write(dev, B43_PHY_PGACTL, pga);
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}
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udelay(21);
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feedthrough = b43_phy_read(dev, B43_PHY_LO_LEAKAGE);
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/* This is a good place to check if we need to relax a bit,
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* as this is the main function called regularly
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* in the LO calibration. */
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cond_resched();
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return feedthrough;
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}
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/* TXCTL Register and Value Table.
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* Returns the "TXCTL Register".
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* "value" is the "TXCTL Value".
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* "pad_mix_gain" is the PAD Mixer Gain.
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*/
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static u16 lo_txctl_register_table(struct b43_wldev *dev,
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u16 * value, u16 * pad_mix_gain)
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{
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struct b43_phy *phy = &dev->phy;
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u16 reg, v, padmix;
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if (phy->type == B43_PHYTYPE_B) {
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v = 0x30;
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if (phy->radio_rev <= 5) {
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reg = 0x43;
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padmix = 0;
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} else {
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reg = 0x52;
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padmix = 5;
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}
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} else {
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if (phy->rev >= 2 && phy->radio_rev == 8) {
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reg = 0x43;
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v = 0x10;
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padmix = 2;
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} else {
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reg = 0x52;
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v = 0x30;
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padmix = 5;
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}
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}
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if (value)
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*value = v;
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if (pad_mix_gain)
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*pad_mix_gain = padmix;
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return reg;
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}
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static void lo_measure_txctl_values(struct b43_wldev *dev)
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{
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struct b43_phy *phy = &dev->phy;
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struct b43_txpower_lo_control *lo = phy->lo_control;
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u16 reg, mask;
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u16 trsw_rx, pga;
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u16 radio_pctl_reg;
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static const u8 tx_bias_values[] = {
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0x09, 0x08, 0x0A, 0x01, 0x00,
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0x02, 0x05, 0x04, 0x06,
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};
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static const u8 tx_magn_values[] = {
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0x70, 0x40,
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};
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if (!has_loopback_gain(phy)) {
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radio_pctl_reg = 6;
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trsw_rx = 2;
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pga = 0;
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} else {
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int lb_gain; /* Loopback gain (in dB) */
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trsw_rx = 0;
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lb_gain = phy->max_lb_gain / 2;
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if (lb_gain > 10) {
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radio_pctl_reg = 0;
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pga = abs(10 - lb_gain) / 6;
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pga = limit_value(pga, 0, 15);
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} else {
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int cmp_val;
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int tmp;
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pga = 0;
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cmp_val = 0x24;
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if ((phy->rev >= 2) &&
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(phy->radio_ver == 0x2050) && (phy->radio_rev == 8))
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cmp_val = 0x3C;
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tmp = lb_gain;
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if ((10 - lb_gain) < cmp_val)
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tmp = (10 - lb_gain);
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if (tmp < 0)
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tmp += 6;
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else
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tmp += 3;
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cmp_val /= 4;
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tmp /= 4;
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if (tmp >= cmp_val)
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radio_pctl_reg = cmp_val;
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else
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radio_pctl_reg = tmp;
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}
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}
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b43_radio_write16(dev, 0x43, (b43_radio_read16(dev, 0x43)
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& 0xFFF0) | radio_pctl_reg);
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b43_phy_set_baseband_attenuation(dev, 2);
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reg = lo_txctl_register_table(dev, &mask, NULL);
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mask = ~mask;
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b43_radio_write16(dev, reg, b43_radio_read16(dev, reg)
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& mask);
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if (has_tx_magnification(phy)) {
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int i, j;
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int feedthrough;
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int min_feedth = 0xFFFF;
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u8 tx_magn, tx_bias;
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for (i = 0; i < ARRAY_SIZE(tx_magn_values); i++) {
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tx_magn = tx_magn_values[i];
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b43_radio_write16(dev, 0x52,
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(b43_radio_read16(dev, 0x52)
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& 0xFF0F) | tx_magn);
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for (j = 0; j < ARRAY_SIZE(tx_bias_values); j++) {
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tx_bias = tx_bias_values[j];
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b43_radio_write16(dev, 0x52,
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(b43_radio_read16(dev, 0x52)
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& 0xFFF0) | tx_bias);
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feedthrough =
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lo_measure_feedthrough(dev, 0, pga,
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trsw_rx);
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if (feedthrough < min_feedth) {
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lo->tx_bias = tx_bias;
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lo->tx_magn = tx_magn;
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min_feedth = feedthrough;
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}
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if (lo->tx_bias == 0)
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break;
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}
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b43_radio_write16(dev, 0x52,
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(b43_radio_read16(dev, 0x52)
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& 0xFF00) | lo->tx_bias | lo->
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tx_magn);
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}
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} else {
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lo->tx_magn = 0;
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lo->tx_bias = 0;
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b43_radio_write16(dev, 0x52, b43_radio_read16(dev, 0x52)
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& 0xFFF0); /* TX bias == 0 */
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}
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}
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static void lo_read_power_vector(struct b43_wldev *dev)
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{
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struct b43_phy *phy = &dev->phy;
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struct b43_txpower_lo_control *lo = phy->lo_control;
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u16 i;
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u64 tmp;
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u64 power_vector = 0;
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int rf_offset, bb_offset;
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struct b43_loctl *loctl;
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for (i = 0; i < 8; i += 2) {
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tmp = b43_shm_read16(dev, B43_SHM_SHARED, 0x310 + i);
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/* Clear the top byte. We get holes in the bitmap... */
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tmp &= 0xFF;
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power_vector |= (tmp << (i * 8));
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/* 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->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;
|
|
}
|