![Rusty Russell](/assets/img/avatar_default.png)
DaveM said: Please, this kind of stuff rots forever and not using bool properly drives me crazy. Joe Perches <joe@perches.com> gave me the spatch script: @@ bool b; @@ -b = 0 +b = false @@ bool b; @@ -b = 1 +b = true I merely installed coccinelle, read the documentation and took credit. Signed-off-by: Rusty Russell <rusty@rustcorp.com.au> Signed-off-by: David S. Miller <davem@davemloft.net>
3056 lines
81 KiB
C
3056 lines
81 KiB
C
/*
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Broadcom B43 wireless driver
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IEEE 802.11g PHY driver
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Copyright (c) 2005 Martin Langer <martin-langer@gmx.de>,
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Copyright (c) 2005-2007 Stefano Brivio <stefano.brivio@polimi.it>
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Copyright (c) 2005-2008 Michael Buesch <m@bues.ch>
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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 "phy_g.h"
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#include "phy_common.h"
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#include "lo.h"
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#include "main.h"
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#include <linux/bitrev.h>
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#include <linux/slab.h>
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static const s8 b43_tssi2dbm_g_table[] = {
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77, 77, 77, 76,
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76, 76, 75, 75,
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74, 74, 73, 73,
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73, 72, 72, 71,
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71, 70, 70, 69,
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68, 68, 67, 67,
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66, 65, 65, 64,
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63, 63, 62, 61,
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60, 59, 58, 57,
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56, 55, 54, 53,
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52, 50, 49, 47,
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45, 43, 40, 37,
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33, 28, 22, 14,
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5, -7, -20, -20,
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-20, -20, -20, -20,
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-20, -20, -20, -20,
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};
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static const u8 b43_radio_channel_codes_bg[] = {
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12, 17, 22, 27,
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32, 37, 42, 47,
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52, 57, 62, 67,
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72, 84,
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};
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static void b43_calc_nrssi_threshold(struct b43_wldev *dev);
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#define bitrev4(tmp) (bitrev8(tmp) >> 4)
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/* Get the freq, as it has to be written to the device. */
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static inline u16 channel2freq_bg(u8 channel)
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{
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B43_WARN_ON(!(channel >= 1 && channel <= 14));
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return b43_radio_channel_codes_bg[channel - 1];
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}
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static void generate_rfatt_list(struct b43_wldev *dev,
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struct b43_rfatt_list *list)
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{
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struct b43_phy *phy = &dev->phy;
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/* APHY.rev < 5 || GPHY.rev < 6 */
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static const struct b43_rfatt rfatt_0[] = {
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{.att = 3,.with_padmix = 0,},
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{.att = 1,.with_padmix = 0,},
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{.att = 5,.with_padmix = 0,},
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{.att = 7,.with_padmix = 0,},
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{.att = 9,.with_padmix = 0,},
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{.att = 2,.with_padmix = 0,},
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{.att = 0,.with_padmix = 0,},
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{.att = 4,.with_padmix = 0,},
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{.att = 6,.with_padmix = 0,},
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{.att = 8,.with_padmix = 0,},
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{.att = 1,.with_padmix = 1,},
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{.att = 2,.with_padmix = 1,},
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{.att = 3,.with_padmix = 1,},
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{.att = 4,.with_padmix = 1,},
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};
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/* Radio.rev == 8 && Radio.version == 0x2050 */
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static const struct b43_rfatt rfatt_1[] = {
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{.att = 2,.with_padmix = 1,},
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{.att = 4,.with_padmix = 1,},
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{.att = 6,.with_padmix = 1,},
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{.att = 8,.with_padmix = 1,},
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{.att = 10,.with_padmix = 1,},
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{.att = 12,.with_padmix = 1,},
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{.att = 14,.with_padmix = 1,},
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};
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/* Otherwise */
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static const struct b43_rfatt rfatt_2[] = {
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{.att = 0,.with_padmix = 1,},
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{.att = 2,.with_padmix = 1,},
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{.att = 4,.with_padmix = 1,},
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{.att = 6,.with_padmix = 1,},
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{.att = 8,.with_padmix = 1,},
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{.att = 9,.with_padmix = 1,},
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{.att = 9,.with_padmix = 1,},
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};
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if (!b43_has_hardware_pctl(dev)) {
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/* Software pctl */
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list->list = rfatt_0;
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list->len = ARRAY_SIZE(rfatt_0);
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list->min_val = 0;
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list->max_val = 9;
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return;
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}
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if (phy->radio_ver == 0x2050 && phy->radio_rev == 8) {
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/* Hardware pctl */
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list->list = rfatt_1;
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list->len = ARRAY_SIZE(rfatt_1);
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list->min_val = 0;
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list->max_val = 14;
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return;
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}
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/* Hardware pctl */
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list->list = rfatt_2;
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list->len = ARRAY_SIZE(rfatt_2);
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list->min_val = 0;
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list->max_val = 9;
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}
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static void generate_bbatt_list(struct b43_wldev *dev,
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struct b43_bbatt_list *list)
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{
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static const struct b43_bbatt bbatt_0[] = {
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{.att = 0,},
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{.att = 1,},
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{.att = 2,},
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{.att = 3,},
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{.att = 4,},
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{.att = 5,},
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{.att = 6,},
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{.att = 7,},
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{.att = 8,},
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};
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list->list = bbatt_0;
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list->len = ARRAY_SIZE(bbatt_0);
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list->min_val = 0;
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list->max_val = 8;
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}
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static void b43_shm_clear_tssi(struct b43_wldev *dev)
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{
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b43_shm_write16(dev, B43_SHM_SHARED, 0x0058, 0x7F7F);
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b43_shm_write16(dev, B43_SHM_SHARED, 0x005a, 0x7F7F);
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b43_shm_write16(dev, B43_SHM_SHARED, 0x0070, 0x7F7F);
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b43_shm_write16(dev, B43_SHM_SHARED, 0x0072, 0x7F7F);
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}
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/* Synthetic PU workaround */
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static void b43_synth_pu_workaround(struct b43_wldev *dev, u8 channel)
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{
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struct b43_phy *phy = &dev->phy;
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might_sleep();
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if (phy->radio_ver != 0x2050 || phy->radio_rev >= 6) {
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/* We do not need the workaround. */
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return;
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}
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if (channel <= 10) {
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b43_write16(dev, B43_MMIO_CHANNEL,
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channel2freq_bg(channel + 4));
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} else {
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b43_write16(dev, B43_MMIO_CHANNEL, channel2freq_bg(1));
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}
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msleep(1);
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b43_write16(dev, B43_MMIO_CHANNEL, channel2freq_bg(channel));
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}
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/* Set the baseband attenuation value on chip. */
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void b43_gphy_set_baseband_attenuation(struct b43_wldev *dev,
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u16 baseband_attenuation)
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{
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struct b43_phy *phy = &dev->phy;
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if (phy->analog == 0) {
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b43_write16(dev, B43_MMIO_PHY0, (b43_read16(dev, B43_MMIO_PHY0)
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& 0xFFF0) |
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baseband_attenuation);
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} else if (phy->analog > 1) {
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b43_phy_maskset(dev, B43_PHY_DACCTL, 0xFFC3, (baseband_attenuation << 2));
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} else {
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b43_phy_maskset(dev, B43_PHY_DACCTL, 0xFF87, (baseband_attenuation << 3));
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}
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}
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/* Adjust the transmission power output (G-PHY) */
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static void b43_set_txpower_g(struct b43_wldev *dev,
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const struct b43_bbatt *bbatt,
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const struct b43_rfatt *rfatt, u8 tx_control)
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{
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struct b43_phy *phy = &dev->phy;
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struct b43_phy_g *gphy = phy->g;
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struct b43_txpower_lo_control *lo = gphy->lo_control;
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u16 bb, rf;
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u16 tx_bias, tx_magn;
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bb = bbatt->att;
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rf = rfatt->att;
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tx_bias = lo->tx_bias;
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tx_magn = lo->tx_magn;
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if (unlikely(tx_bias == 0xFF))
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tx_bias = 0;
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/* Save the values for later. Use memmove, because it's valid
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* to pass &gphy->rfatt as rfatt pointer argument. Same for bbatt. */
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gphy->tx_control = tx_control;
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memmove(&gphy->rfatt, rfatt, sizeof(*rfatt));
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gphy->rfatt.with_padmix = !!(tx_control & B43_TXCTL_TXMIX);
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memmove(&gphy->bbatt, bbatt, sizeof(*bbatt));
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if (b43_debug(dev, B43_DBG_XMITPOWER)) {
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b43dbg(dev->wl, "Tuning TX-power to bbatt(%u), "
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"rfatt(%u), tx_control(0x%02X), "
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"tx_bias(0x%02X), tx_magn(0x%02X)\n",
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bb, rf, tx_control, tx_bias, tx_magn);
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}
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b43_gphy_set_baseband_attenuation(dev, bb);
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b43_shm_write16(dev, B43_SHM_SHARED, B43_SHM_SH_RFATT, rf);
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if (phy->radio_ver == 0x2050 && phy->radio_rev == 8) {
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b43_radio_write16(dev, 0x43,
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(rf & 0x000F) | (tx_control & 0x0070));
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} else {
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b43_radio_maskset(dev, 0x43, 0xFFF0, (rf & 0x000F));
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b43_radio_maskset(dev, 0x52, ~0x0070, (tx_control & 0x0070));
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}
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if (has_tx_magnification(phy)) {
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b43_radio_write16(dev, 0x52, tx_magn | tx_bias);
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} else {
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b43_radio_maskset(dev, 0x52, 0xFFF0, (tx_bias & 0x000F));
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}
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b43_lo_g_adjust(dev);
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}
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/* GPHY_TSSI_Power_Lookup_Table_Init */
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static void b43_gphy_tssi_power_lt_init(struct b43_wldev *dev)
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{
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struct b43_phy_g *gphy = dev->phy.g;
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int i;
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u16 value;
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for (i = 0; i < 32; i++)
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b43_ofdmtab_write16(dev, 0x3C20, i, gphy->tssi2dbm[i]);
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for (i = 32; i < 64; i++)
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b43_ofdmtab_write16(dev, 0x3C00, i - 32, gphy->tssi2dbm[i]);
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for (i = 0; i < 64; i += 2) {
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value = (u16) gphy->tssi2dbm[i];
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value |= ((u16) gphy->tssi2dbm[i + 1]) << 8;
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b43_phy_write(dev, 0x380 + (i / 2), value);
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}
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}
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/* GPHY_Gain_Lookup_Table_Init */
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static void b43_gphy_gain_lt_init(struct b43_wldev *dev)
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{
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struct b43_phy *phy = &dev->phy;
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struct b43_phy_g *gphy = phy->g;
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struct b43_txpower_lo_control *lo = gphy->lo_control;
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u16 nr_written = 0;
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u16 tmp;
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u8 rf, bb;
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for (rf = 0; rf < lo->rfatt_list.len; rf++) {
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for (bb = 0; bb < lo->bbatt_list.len; bb++) {
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if (nr_written >= 0x40)
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return;
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tmp = lo->bbatt_list.list[bb].att;
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tmp <<= 8;
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if (phy->radio_rev == 8)
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tmp |= 0x50;
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else
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tmp |= 0x40;
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tmp |= lo->rfatt_list.list[rf].att;
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b43_phy_write(dev, 0x3C0 + nr_written, tmp);
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nr_written++;
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}
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}
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}
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static void b43_set_all_gains(struct b43_wldev *dev,
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s16 first, s16 second, s16 third)
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{
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struct b43_phy *phy = &dev->phy;
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u16 i;
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u16 start = 0x08, end = 0x18;
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u16 tmp;
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u16 table;
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if (phy->rev <= 1) {
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start = 0x10;
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end = 0x20;
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}
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table = B43_OFDMTAB_GAINX;
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if (phy->rev <= 1)
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table = B43_OFDMTAB_GAINX_R1;
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for (i = 0; i < 4; i++)
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b43_ofdmtab_write16(dev, table, i, first);
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for (i = start; i < end; i++)
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b43_ofdmtab_write16(dev, table, i, second);
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if (third != -1) {
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tmp = ((u16) third << 14) | ((u16) third << 6);
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b43_phy_maskset(dev, 0x04A0, 0xBFBF, tmp);
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b43_phy_maskset(dev, 0x04A1, 0xBFBF, tmp);
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b43_phy_maskset(dev, 0x04A2, 0xBFBF, tmp);
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}
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b43_dummy_transmission(dev, false, true);
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}
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static void b43_set_original_gains(struct b43_wldev *dev)
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{
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struct b43_phy *phy = &dev->phy;
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u16 i, tmp;
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u16 table;
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u16 start = 0x0008, end = 0x0018;
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if (phy->rev <= 1) {
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start = 0x0010;
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end = 0x0020;
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}
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table = B43_OFDMTAB_GAINX;
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if (phy->rev <= 1)
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table = B43_OFDMTAB_GAINX_R1;
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for (i = 0; i < 4; i++) {
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tmp = (i & 0xFFFC);
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tmp |= (i & 0x0001) << 1;
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tmp |= (i & 0x0002) >> 1;
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b43_ofdmtab_write16(dev, table, i, tmp);
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}
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for (i = start; i < end; i++)
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b43_ofdmtab_write16(dev, table, i, i - start);
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b43_phy_maskset(dev, 0x04A0, 0xBFBF, 0x4040);
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b43_phy_maskset(dev, 0x04A1, 0xBFBF, 0x4040);
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b43_phy_maskset(dev, 0x04A2, 0xBFBF, 0x4000);
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b43_dummy_transmission(dev, false, true);
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}
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/* http://bcm-specs.sipsolutions.net/NRSSILookupTable */
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static void b43_nrssi_hw_write(struct b43_wldev *dev, u16 offset, s16 val)
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{
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b43_phy_write(dev, B43_PHY_NRSSILT_CTRL, offset);
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b43_phy_write(dev, B43_PHY_NRSSILT_DATA, (u16) val);
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}
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/* http://bcm-specs.sipsolutions.net/NRSSILookupTable */
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static s16 b43_nrssi_hw_read(struct b43_wldev *dev, u16 offset)
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{
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u16 val;
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b43_phy_write(dev, B43_PHY_NRSSILT_CTRL, offset);
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val = b43_phy_read(dev, B43_PHY_NRSSILT_DATA);
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return (s16) val;
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}
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/* http://bcm-specs.sipsolutions.net/NRSSILookupTable */
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static void b43_nrssi_hw_update(struct b43_wldev *dev, u16 val)
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{
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u16 i;
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s16 tmp;
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for (i = 0; i < 64; i++) {
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tmp = b43_nrssi_hw_read(dev, i);
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tmp -= val;
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tmp = clamp_val(tmp, -32, 31);
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b43_nrssi_hw_write(dev, i, tmp);
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}
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}
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/* http://bcm-specs.sipsolutions.net/NRSSILookupTable */
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static void b43_nrssi_mem_update(struct b43_wldev *dev)
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{
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struct b43_phy_g *gphy = dev->phy.g;
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s16 i, delta;
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s32 tmp;
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delta = 0x1F - gphy->nrssi[0];
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for (i = 0; i < 64; i++) {
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tmp = (i - delta) * gphy->nrssislope;
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tmp /= 0x10000;
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tmp += 0x3A;
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tmp = clamp_val(tmp, 0, 0x3F);
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gphy->nrssi_lt[i] = tmp;
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}
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}
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static void b43_calc_nrssi_offset(struct b43_wldev *dev)
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{
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struct b43_phy *phy = &dev->phy;
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u16 backup[20] = { 0 };
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s16 v47F;
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u16 i;
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u16 saved = 0xFFFF;
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backup[0] = b43_phy_read(dev, 0x0001);
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backup[1] = b43_phy_read(dev, 0x0811);
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backup[2] = b43_phy_read(dev, 0x0812);
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if (phy->rev != 1) { /* Not in specs, but needed to prevent PPC machine check */
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backup[3] = b43_phy_read(dev, 0x0814);
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backup[4] = b43_phy_read(dev, 0x0815);
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}
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backup[5] = b43_phy_read(dev, 0x005A);
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backup[6] = b43_phy_read(dev, 0x0059);
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backup[7] = b43_phy_read(dev, 0x0058);
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backup[8] = b43_phy_read(dev, 0x000A);
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backup[9] = b43_phy_read(dev, 0x0003);
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backup[10] = b43_radio_read16(dev, 0x007A);
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backup[11] = b43_radio_read16(dev, 0x0043);
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b43_phy_mask(dev, 0x0429, 0x7FFF);
|
|
b43_phy_maskset(dev, 0x0001, 0x3FFF, 0x4000);
|
|
b43_phy_set(dev, 0x0811, 0x000C);
|
|
b43_phy_maskset(dev, 0x0812, 0xFFF3, 0x0004);
|
|
b43_phy_mask(dev, 0x0802, ~(0x1 | 0x2));
|
|
if (phy->rev >= 6) {
|
|
backup[12] = b43_phy_read(dev, 0x002E);
|
|
backup[13] = b43_phy_read(dev, 0x002F);
|
|
backup[14] = b43_phy_read(dev, 0x080F);
|
|
backup[15] = b43_phy_read(dev, 0x0810);
|
|
backup[16] = b43_phy_read(dev, 0x0801);
|
|
backup[17] = b43_phy_read(dev, 0x0060);
|
|
backup[18] = b43_phy_read(dev, 0x0014);
|
|
backup[19] = b43_phy_read(dev, 0x0478);
|
|
|
|
b43_phy_write(dev, 0x002E, 0);
|
|
b43_phy_write(dev, 0x002F, 0);
|
|
b43_phy_write(dev, 0x080F, 0);
|
|
b43_phy_write(dev, 0x0810, 0);
|
|
b43_phy_set(dev, 0x0478, 0x0100);
|
|
b43_phy_set(dev, 0x0801, 0x0040);
|
|
b43_phy_set(dev, 0x0060, 0x0040);
|
|
b43_phy_set(dev, 0x0014, 0x0200);
|
|
}
|
|
b43_radio_set(dev, 0x007A, 0x0070);
|
|
b43_radio_set(dev, 0x007A, 0x0080);
|
|
udelay(30);
|
|
|
|
v47F = (s16) ((b43_phy_read(dev, 0x047F) >> 8) & 0x003F);
|
|
if (v47F >= 0x20)
|
|
v47F -= 0x40;
|
|
if (v47F == 31) {
|
|
for (i = 7; i >= 4; i--) {
|
|
b43_radio_write16(dev, 0x007B, i);
|
|
udelay(20);
|
|
v47F =
|
|
(s16) ((b43_phy_read(dev, 0x047F) >> 8) & 0x003F);
|
|
if (v47F >= 0x20)
|
|
v47F -= 0x40;
|
|
if (v47F < 31 && saved == 0xFFFF)
|
|
saved = i;
|
|
}
|
|
if (saved == 0xFFFF)
|
|
saved = 4;
|
|
} else {
|
|
b43_radio_mask(dev, 0x007A, 0x007F);
|
|
if (phy->rev != 1) { /* Not in specs, but needed to prevent PPC machine check */
|
|
b43_phy_set(dev, 0x0814, 0x0001);
|
|
b43_phy_mask(dev, 0x0815, 0xFFFE);
|
|
}
|
|
b43_phy_set(dev, 0x0811, 0x000C);
|
|
b43_phy_set(dev, 0x0812, 0x000C);
|
|
b43_phy_set(dev, 0x0811, 0x0030);
|
|
b43_phy_set(dev, 0x0812, 0x0030);
|
|
b43_phy_write(dev, 0x005A, 0x0480);
|
|
b43_phy_write(dev, 0x0059, 0x0810);
|
|
b43_phy_write(dev, 0x0058, 0x000D);
|
|
if (phy->rev == 0) {
|
|
b43_phy_write(dev, 0x0003, 0x0122);
|
|
} else {
|
|
b43_phy_set(dev, 0x000A, 0x2000);
|
|
}
|
|
if (phy->rev != 1) { /* Not in specs, but needed to prevent PPC machine check */
|
|
b43_phy_set(dev, 0x0814, 0x0004);
|
|
b43_phy_mask(dev, 0x0815, 0xFFFB);
|
|
}
|
|
b43_phy_maskset(dev, 0x0003, 0xFF9F, 0x0040);
|
|
b43_radio_set(dev, 0x007A, 0x000F);
|
|
b43_set_all_gains(dev, 3, 0, 1);
|
|
b43_radio_maskset(dev, 0x0043, 0x00F0, 0x000F);
|
|
udelay(30);
|
|
v47F = (s16) ((b43_phy_read(dev, 0x047F) >> 8) & 0x003F);
|
|
if (v47F >= 0x20)
|
|
v47F -= 0x40;
|
|
if (v47F == -32) {
|
|
for (i = 0; i < 4; i++) {
|
|
b43_radio_write16(dev, 0x007B, i);
|
|
udelay(20);
|
|
v47F =
|
|
(s16) ((b43_phy_read(dev, 0x047F) >> 8) &
|
|
0x003F);
|
|
if (v47F >= 0x20)
|
|
v47F -= 0x40;
|
|
if (v47F > -31 && saved == 0xFFFF)
|
|
saved = i;
|
|
}
|
|
if (saved == 0xFFFF)
|
|
saved = 3;
|
|
} else
|
|
saved = 0;
|
|
}
|
|
b43_radio_write16(dev, 0x007B, saved);
|
|
|
|
if (phy->rev >= 6) {
|
|
b43_phy_write(dev, 0x002E, backup[12]);
|
|
b43_phy_write(dev, 0x002F, backup[13]);
|
|
b43_phy_write(dev, 0x080F, backup[14]);
|
|
b43_phy_write(dev, 0x0810, backup[15]);
|
|
}
|
|
if (phy->rev != 1) { /* Not in specs, but needed to prevent PPC machine check */
|
|
b43_phy_write(dev, 0x0814, backup[3]);
|
|
b43_phy_write(dev, 0x0815, backup[4]);
|
|
}
|
|
b43_phy_write(dev, 0x005A, backup[5]);
|
|
b43_phy_write(dev, 0x0059, backup[6]);
|
|
b43_phy_write(dev, 0x0058, backup[7]);
|
|
b43_phy_write(dev, 0x000A, backup[8]);
|
|
b43_phy_write(dev, 0x0003, backup[9]);
|
|
b43_radio_write16(dev, 0x0043, backup[11]);
|
|
b43_radio_write16(dev, 0x007A, backup[10]);
|
|
b43_phy_write(dev, 0x0802, b43_phy_read(dev, 0x0802) | 0x1 | 0x2);
|
|
b43_phy_set(dev, 0x0429, 0x8000);
|
|
b43_set_original_gains(dev);
|
|
if (phy->rev >= 6) {
|
|
b43_phy_write(dev, 0x0801, backup[16]);
|
|
b43_phy_write(dev, 0x0060, backup[17]);
|
|
b43_phy_write(dev, 0x0014, backup[18]);
|
|
b43_phy_write(dev, 0x0478, backup[19]);
|
|
}
|
|
b43_phy_write(dev, 0x0001, backup[0]);
|
|
b43_phy_write(dev, 0x0812, backup[2]);
|
|
b43_phy_write(dev, 0x0811, backup[1]);
|
|
}
|
|
|
|
static void b43_calc_nrssi_slope(struct b43_wldev *dev)
|
|
{
|
|
struct b43_phy *phy = &dev->phy;
|
|
struct b43_phy_g *gphy = phy->g;
|
|
u16 backup[18] = { 0 };
|
|
u16 tmp;
|
|
s16 nrssi0, nrssi1;
|
|
|
|
B43_WARN_ON(phy->type != B43_PHYTYPE_G);
|
|
|
|
if (phy->radio_rev >= 9)
|
|
return;
|
|
if (phy->radio_rev == 8)
|
|
b43_calc_nrssi_offset(dev);
|
|
|
|
b43_phy_mask(dev, B43_PHY_G_CRS, 0x7FFF);
|
|
b43_phy_mask(dev, 0x0802, 0xFFFC);
|
|
backup[7] = b43_read16(dev, 0x03E2);
|
|
b43_write16(dev, 0x03E2, b43_read16(dev, 0x03E2) | 0x8000);
|
|
backup[0] = b43_radio_read16(dev, 0x007A);
|
|
backup[1] = b43_radio_read16(dev, 0x0052);
|
|
backup[2] = b43_radio_read16(dev, 0x0043);
|
|
backup[3] = b43_phy_read(dev, 0x0015);
|
|
backup[4] = b43_phy_read(dev, 0x005A);
|
|
backup[5] = b43_phy_read(dev, 0x0059);
|
|
backup[6] = b43_phy_read(dev, 0x0058);
|
|
backup[8] = b43_read16(dev, 0x03E6);
|
|
backup[9] = b43_read16(dev, B43_MMIO_CHANNEL_EXT);
|
|
if (phy->rev >= 3) {
|
|
backup[10] = b43_phy_read(dev, 0x002E);
|
|
backup[11] = b43_phy_read(dev, 0x002F);
|
|
backup[12] = b43_phy_read(dev, 0x080F);
|
|
backup[13] = b43_phy_read(dev, B43_PHY_G_LO_CONTROL);
|
|
backup[14] = b43_phy_read(dev, 0x0801);
|
|
backup[15] = b43_phy_read(dev, 0x0060);
|
|
backup[16] = b43_phy_read(dev, 0x0014);
|
|
backup[17] = b43_phy_read(dev, 0x0478);
|
|
b43_phy_write(dev, 0x002E, 0);
|
|
b43_phy_write(dev, B43_PHY_G_LO_CONTROL, 0);
|
|
switch (phy->rev) {
|
|
case 4:
|
|
case 6:
|
|
case 7:
|
|
b43_phy_set(dev, 0x0478, 0x0100);
|
|
b43_phy_set(dev, 0x0801, 0x0040);
|
|
break;
|
|
case 3:
|
|
case 5:
|
|
b43_phy_mask(dev, 0x0801, 0xFFBF);
|
|
break;
|
|
}
|
|
b43_phy_set(dev, 0x0060, 0x0040);
|
|
b43_phy_set(dev, 0x0014, 0x0200);
|
|
}
|
|
b43_radio_set(dev, 0x007A, 0x0070);
|
|
b43_set_all_gains(dev, 0, 8, 0);
|
|
b43_radio_mask(dev, 0x007A, 0x00F7);
|
|
if (phy->rev >= 2) {
|
|
b43_phy_maskset(dev, 0x0811, 0xFFCF, 0x0030);
|
|
b43_phy_maskset(dev, 0x0812, 0xFFCF, 0x0010);
|
|
}
|
|
b43_radio_set(dev, 0x007A, 0x0080);
|
|
udelay(20);
|
|
|
|
nrssi0 = (s16) ((b43_phy_read(dev, 0x047F) >> 8) & 0x003F);
|
|
if (nrssi0 >= 0x0020)
|
|
nrssi0 -= 0x0040;
|
|
|
|
b43_radio_mask(dev, 0x007A, 0x007F);
|
|
if (phy->rev >= 2) {
|
|
b43_phy_maskset(dev, 0x0003, 0xFF9F, 0x0040);
|
|
}
|
|
|
|
b43_write16(dev, B43_MMIO_CHANNEL_EXT,
|
|
b43_read16(dev, B43_MMIO_CHANNEL_EXT)
|
|
| 0x2000);
|
|
b43_radio_set(dev, 0x007A, 0x000F);
|
|
b43_phy_write(dev, 0x0015, 0xF330);
|
|
if (phy->rev >= 2) {
|
|
b43_phy_maskset(dev, 0x0812, 0xFFCF, 0x0020);
|
|
b43_phy_maskset(dev, 0x0811, 0xFFCF, 0x0020);
|
|
}
|
|
|
|
b43_set_all_gains(dev, 3, 0, 1);
|
|
if (phy->radio_rev == 8) {
|
|
b43_radio_write16(dev, 0x0043, 0x001F);
|
|
} else {
|
|
tmp = b43_radio_read16(dev, 0x0052) & 0xFF0F;
|
|
b43_radio_write16(dev, 0x0052, tmp | 0x0060);
|
|
tmp = b43_radio_read16(dev, 0x0043) & 0xFFF0;
|
|
b43_radio_write16(dev, 0x0043, tmp | 0x0009);
|
|
}
|
|
b43_phy_write(dev, 0x005A, 0x0480);
|
|
b43_phy_write(dev, 0x0059, 0x0810);
|
|
b43_phy_write(dev, 0x0058, 0x000D);
|
|
udelay(20);
|
|
nrssi1 = (s16) ((b43_phy_read(dev, 0x047F) >> 8) & 0x003F);
|
|
if (nrssi1 >= 0x0020)
|
|
nrssi1 -= 0x0040;
|
|
if (nrssi0 == nrssi1)
|
|
gphy->nrssislope = 0x00010000;
|
|
else
|
|
gphy->nrssislope = 0x00400000 / (nrssi0 - nrssi1);
|
|
if (nrssi0 >= -4) {
|
|
gphy->nrssi[0] = nrssi1;
|
|
gphy->nrssi[1] = nrssi0;
|
|
}
|
|
if (phy->rev >= 3) {
|
|
b43_phy_write(dev, 0x002E, backup[10]);
|
|
b43_phy_write(dev, 0x002F, backup[11]);
|
|
b43_phy_write(dev, 0x080F, backup[12]);
|
|
b43_phy_write(dev, B43_PHY_G_LO_CONTROL, backup[13]);
|
|
}
|
|
if (phy->rev >= 2) {
|
|
b43_phy_mask(dev, 0x0812, 0xFFCF);
|
|
b43_phy_mask(dev, 0x0811, 0xFFCF);
|
|
}
|
|
|
|
b43_radio_write16(dev, 0x007A, backup[0]);
|
|
b43_radio_write16(dev, 0x0052, backup[1]);
|
|
b43_radio_write16(dev, 0x0043, backup[2]);
|
|
b43_write16(dev, 0x03E2, backup[7]);
|
|
b43_write16(dev, 0x03E6, backup[8]);
|
|
b43_write16(dev, B43_MMIO_CHANNEL_EXT, backup[9]);
|
|
b43_phy_write(dev, 0x0015, backup[3]);
|
|
b43_phy_write(dev, 0x005A, backup[4]);
|
|
b43_phy_write(dev, 0x0059, backup[5]);
|
|
b43_phy_write(dev, 0x0058, backup[6]);
|
|
b43_synth_pu_workaround(dev, phy->channel);
|
|
b43_phy_set(dev, 0x0802, (0x0001 | 0x0002));
|
|
b43_set_original_gains(dev);
|
|
b43_phy_set(dev, B43_PHY_G_CRS, 0x8000);
|
|
if (phy->rev >= 3) {
|
|
b43_phy_write(dev, 0x0801, backup[14]);
|
|
b43_phy_write(dev, 0x0060, backup[15]);
|
|
b43_phy_write(dev, 0x0014, backup[16]);
|
|
b43_phy_write(dev, 0x0478, backup[17]);
|
|
}
|
|
b43_nrssi_mem_update(dev);
|
|
b43_calc_nrssi_threshold(dev);
|
|
}
|
|
|
|
static void b43_calc_nrssi_threshold(struct b43_wldev *dev)
|
|
{
|
|
struct b43_phy *phy = &dev->phy;
|
|
struct b43_phy_g *gphy = phy->g;
|
|
s32 a, b;
|
|
s16 tmp16;
|
|
u16 tmp_u16;
|
|
|
|
B43_WARN_ON(phy->type != B43_PHYTYPE_G);
|
|
|
|
if (!phy->gmode ||
|
|
!(dev->dev->bus_sprom->boardflags_lo & B43_BFL_RSSI)) {
|
|
tmp16 = b43_nrssi_hw_read(dev, 0x20);
|
|
if (tmp16 >= 0x20)
|
|
tmp16 -= 0x40;
|
|
if (tmp16 < 3) {
|
|
b43_phy_maskset(dev, 0x048A, 0xF000, 0x09EB);
|
|
} else {
|
|
b43_phy_maskset(dev, 0x048A, 0xF000, 0x0AED);
|
|
}
|
|
} else {
|
|
if (gphy->interfmode == B43_INTERFMODE_NONWLAN) {
|
|
a = 0xE;
|
|
b = 0xA;
|
|
} else if (!gphy->aci_wlan_automatic && gphy->aci_enable) {
|
|
a = 0x13;
|
|
b = 0x12;
|
|
} else {
|
|
a = 0xE;
|
|
b = 0x11;
|
|
}
|
|
|
|
a = a * (gphy->nrssi[1] - gphy->nrssi[0]);
|
|
a += (gphy->nrssi[0] << 6);
|
|
if (a < 32)
|
|
a += 31;
|
|
else
|
|
a += 32;
|
|
a = a >> 6;
|
|
a = clamp_val(a, -31, 31);
|
|
|
|
b = b * (gphy->nrssi[1] - gphy->nrssi[0]);
|
|
b += (gphy->nrssi[0] << 6);
|
|
if (b < 32)
|
|
b += 31;
|
|
else
|
|
b += 32;
|
|
b = b >> 6;
|
|
b = clamp_val(b, -31, 31);
|
|
|
|
tmp_u16 = b43_phy_read(dev, 0x048A) & 0xF000;
|
|
tmp_u16 |= ((u32) b & 0x0000003F);
|
|
tmp_u16 |= (((u32) a & 0x0000003F) << 6);
|
|
b43_phy_write(dev, 0x048A, tmp_u16);
|
|
}
|
|
}
|
|
|
|
/* Stack implementation to save/restore values from the
|
|
* interference mitigation code.
|
|
* It is save to restore values in random order.
|
|
*/
|
|
static void _stack_save(u32 *_stackptr, size_t *stackidx,
|
|
u8 id, u16 offset, u16 value)
|
|
{
|
|
u32 *stackptr = &(_stackptr[*stackidx]);
|
|
|
|
B43_WARN_ON(offset & 0xF000);
|
|
B43_WARN_ON(id & 0xF0);
|
|
*stackptr = offset;
|
|
*stackptr |= ((u32) id) << 12;
|
|
*stackptr |= ((u32) value) << 16;
|
|
(*stackidx)++;
|
|
B43_WARN_ON(*stackidx >= B43_INTERFSTACK_SIZE);
|
|
}
|
|
|
|
static u16 _stack_restore(u32 *stackptr, u8 id, u16 offset)
|
|
{
|
|
size_t i;
|
|
|
|
B43_WARN_ON(offset & 0xF000);
|
|
B43_WARN_ON(id & 0xF0);
|
|
for (i = 0; i < B43_INTERFSTACK_SIZE; i++, stackptr++) {
|
|
if ((*stackptr & 0x00000FFF) != offset)
|
|
continue;
|
|
if (((*stackptr & 0x0000F000) >> 12) != id)
|
|
continue;
|
|
return ((*stackptr & 0xFFFF0000) >> 16);
|
|
}
|
|
B43_WARN_ON(1);
|
|
|
|
return 0;
|
|
}
|
|
|
|
#define phy_stacksave(offset) \
|
|
do { \
|
|
_stack_save(stack, &stackidx, 0x1, (offset), \
|
|
b43_phy_read(dev, (offset))); \
|
|
} while (0)
|
|
#define phy_stackrestore(offset) \
|
|
do { \
|
|
b43_phy_write(dev, (offset), \
|
|
_stack_restore(stack, 0x1, \
|
|
(offset))); \
|
|
} while (0)
|
|
#define radio_stacksave(offset) \
|
|
do { \
|
|
_stack_save(stack, &stackidx, 0x2, (offset), \
|
|
b43_radio_read16(dev, (offset))); \
|
|
} while (0)
|
|
#define radio_stackrestore(offset) \
|
|
do { \
|
|
b43_radio_write16(dev, (offset), \
|
|
_stack_restore(stack, 0x2, \
|
|
(offset))); \
|
|
} while (0)
|
|
#define ofdmtab_stacksave(table, offset) \
|
|
do { \
|
|
_stack_save(stack, &stackidx, 0x3, (offset)|(table), \
|
|
b43_ofdmtab_read16(dev, (table), (offset))); \
|
|
} while (0)
|
|
#define ofdmtab_stackrestore(table, offset) \
|
|
do { \
|
|
b43_ofdmtab_write16(dev, (table), (offset), \
|
|
_stack_restore(stack, 0x3, \
|
|
(offset)|(table))); \
|
|
} while (0)
|
|
|
|
static void
|
|
b43_radio_interference_mitigation_enable(struct b43_wldev *dev, int mode)
|
|
{
|
|
struct b43_phy *phy = &dev->phy;
|
|
struct b43_phy_g *gphy = phy->g;
|
|
u16 tmp, flipped;
|
|
size_t stackidx = 0;
|
|
u32 *stack = gphy->interfstack;
|
|
|
|
switch (mode) {
|
|
case B43_INTERFMODE_NONWLAN:
|
|
if (phy->rev != 1) {
|
|
b43_phy_set(dev, 0x042B, 0x0800);
|
|
b43_phy_mask(dev, B43_PHY_G_CRS, ~0x4000);
|
|
break;
|
|
}
|
|
radio_stacksave(0x0078);
|
|
tmp = (b43_radio_read16(dev, 0x0078) & 0x001E);
|
|
B43_WARN_ON(tmp > 15);
|
|
flipped = bitrev4(tmp);
|
|
if (flipped < 10 && flipped >= 8)
|
|
flipped = 7;
|
|
else if (flipped >= 10)
|
|
flipped -= 3;
|
|
flipped = (bitrev4(flipped) << 1) | 0x0020;
|
|
b43_radio_write16(dev, 0x0078, flipped);
|
|
|
|
b43_calc_nrssi_threshold(dev);
|
|
|
|
phy_stacksave(0x0406);
|
|
b43_phy_write(dev, 0x0406, 0x7E28);
|
|
|
|
b43_phy_set(dev, 0x042B, 0x0800);
|
|
b43_phy_set(dev, B43_PHY_RADIO_BITFIELD, 0x1000);
|
|
|
|
phy_stacksave(0x04A0);
|
|
b43_phy_maskset(dev, 0x04A0, 0xC0C0, 0x0008);
|
|
phy_stacksave(0x04A1);
|
|
b43_phy_maskset(dev, 0x04A1, 0xC0C0, 0x0605);
|
|
phy_stacksave(0x04A2);
|
|
b43_phy_maskset(dev, 0x04A2, 0xC0C0, 0x0204);
|
|
phy_stacksave(0x04A8);
|
|
b43_phy_maskset(dev, 0x04A8, 0xC0C0, 0x0803);
|
|
phy_stacksave(0x04AB);
|
|
b43_phy_maskset(dev, 0x04AB, 0xC0C0, 0x0605);
|
|
|
|
phy_stacksave(0x04A7);
|
|
b43_phy_write(dev, 0x04A7, 0x0002);
|
|
phy_stacksave(0x04A3);
|
|
b43_phy_write(dev, 0x04A3, 0x287A);
|
|
phy_stacksave(0x04A9);
|
|
b43_phy_write(dev, 0x04A9, 0x2027);
|
|
phy_stacksave(0x0493);
|
|
b43_phy_write(dev, 0x0493, 0x32F5);
|
|
phy_stacksave(0x04AA);
|
|
b43_phy_write(dev, 0x04AA, 0x2027);
|
|
phy_stacksave(0x04AC);
|
|
b43_phy_write(dev, 0x04AC, 0x32F5);
|
|
break;
|
|
case B43_INTERFMODE_MANUALWLAN:
|
|
if (b43_phy_read(dev, 0x0033) & 0x0800)
|
|
break;
|
|
|
|
gphy->aci_enable = true;
|
|
|
|
phy_stacksave(B43_PHY_RADIO_BITFIELD);
|
|
phy_stacksave(B43_PHY_G_CRS);
|
|
if (phy->rev < 2) {
|
|
phy_stacksave(0x0406);
|
|
} else {
|
|
phy_stacksave(0x04C0);
|
|
phy_stacksave(0x04C1);
|
|
}
|
|
phy_stacksave(0x0033);
|
|
phy_stacksave(0x04A7);
|
|
phy_stacksave(0x04A3);
|
|
phy_stacksave(0x04A9);
|
|
phy_stacksave(0x04AA);
|
|
phy_stacksave(0x04AC);
|
|
phy_stacksave(0x0493);
|
|
phy_stacksave(0x04A1);
|
|
phy_stacksave(0x04A0);
|
|
phy_stacksave(0x04A2);
|
|
phy_stacksave(0x048A);
|
|
phy_stacksave(0x04A8);
|
|
phy_stacksave(0x04AB);
|
|
if (phy->rev == 2) {
|
|
phy_stacksave(0x04AD);
|
|
phy_stacksave(0x04AE);
|
|
} else if (phy->rev >= 3) {
|
|
phy_stacksave(0x04AD);
|
|
phy_stacksave(0x0415);
|
|
phy_stacksave(0x0416);
|
|
phy_stacksave(0x0417);
|
|
ofdmtab_stacksave(0x1A00, 0x2);
|
|
ofdmtab_stacksave(0x1A00, 0x3);
|
|
}
|
|
phy_stacksave(0x042B);
|
|
phy_stacksave(0x048C);
|
|
|
|
b43_phy_mask(dev, B43_PHY_RADIO_BITFIELD, ~0x1000);
|
|
b43_phy_maskset(dev, B43_PHY_G_CRS, 0xFFFC, 0x0002);
|
|
|
|
b43_phy_write(dev, 0x0033, 0x0800);
|
|
b43_phy_write(dev, 0x04A3, 0x2027);
|
|
b43_phy_write(dev, 0x04A9, 0x1CA8);
|
|
b43_phy_write(dev, 0x0493, 0x287A);
|
|
b43_phy_write(dev, 0x04AA, 0x1CA8);
|
|
b43_phy_write(dev, 0x04AC, 0x287A);
|
|
|
|
b43_phy_maskset(dev, 0x04A0, 0xFFC0, 0x001A);
|
|
b43_phy_write(dev, 0x04A7, 0x000D);
|
|
|
|
if (phy->rev < 2) {
|
|
b43_phy_write(dev, 0x0406, 0xFF0D);
|
|
} else if (phy->rev == 2) {
|
|
b43_phy_write(dev, 0x04C0, 0xFFFF);
|
|
b43_phy_write(dev, 0x04C1, 0x00A9);
|
|
} else {
|
|
b43_phy_write(dev, 0x04C0, 0x00C1);
|
|
b43_phy_write(dev, 0x04C1, 0x0059);
|
|
}
|
|
|
|
b43_phy_maskset(dev, 0x04A1, 0xC0FF, 0x1800);
|
|
b43_phy_maskset(dev, 0x04A1, 0xFFC0, 0x0015);
|
|
b43_phy_maskset(dev, 0x04A8, 0xCFFF, 0x1000);
|
|
b43_phy_maskset(dev, 0x04A8, 0xF0FF, 0x0A00);
|
|
b43_phy_maskset(dev, 0x04AB, 0xCFFF, 0x1000);
|
|
b43_phy_maskset(dev, 0x04AB, 0xF0FF, 0x0800);
|
|
b43_phy_maskset(dev, 0x04AB, 0xFFCF, 0x0010);
|
|
b43_phy_maskset(dev, 0x04AB, 0xFFF0, 0x0005);
|
|
b43_phy_maskset(dev, 0x04A8, 0xFFCF, 0x0010);
|
|
b43_phy_maskset(dev, 0x04A8, 0xFFF0, 0x0006);
|
|
b43_phy_maskset(dev, 0x04A2, 0xF0FF, 0x0800);
|
|
b43_phy_maskset(dev, 0x04A0, 0xF0FF, 0x0500);
|
|
b43_phy_maskset(dev, 0x04A2, 0xFFF0, 0x000B);
|
|
|
|
if (phy->rev >= 3) {
|
|
b43_phy_mask(dev, 0x048A, 0x7FFF);
|
|
b43_phy_maskset(dev, 0x0415, 0x8000, 0x36D8);
|
|
b43_phy_maskset(dev, 0x0416, 0x8000, 0x36D8);
|
|
b43_phy_maskset(dev, 0x0417, 0xFE00, 0x016D);
|
|
} else {
|
|
b43_phy_set(dev, 0x048A, 0x1000);
|
|
b43_phy_maskset(dev, 0x048A, 0x9FFF, 0x2000);
|
|
b43_hf_write(dev, b43_hf_read(dev) | B43_HF_ACIW);
|
|
}
|
|
if (phy->rev >= 2) {
|
|
b43_phy_set(dev, 0x042B, 0x0800);
|
|
}
|
|
b43_phy_maskset(dev, 0x048C, 0xF0FF, 0x0200);
|
|
if (phy->rev == 2) {
|
|
b43_phy_maskset(dev, 0x04AE, 0xFF00, 0x007F);
|
|
b43_phy_maskset(dev, 0x04AD, 0x00FF, 0x1300);
|
|
} else if (phy->rev >= 6) {
|
|
b43_ofdmtab_write16(dev, 0x1A00, 0x3, 0x007F);
|
|
b43_ofdmtab_write16(dev, 0x1A00, 0x2, 0x007F);
|
|
b43_phy_mask(dev, 0x04AD, 0x00FF);
|
|
}
|
|
b43_calc_nrssi_slope(dev);
|
|
break;
|
|
default:
|
|
B43_WARN_ON(1);
|
|
}
|
|
}
|
|
|
|
static void
|
|
b43_radio_interference_mitigation_disable(struct b43_wldev *dev, int mode)
|
|
{
|
|
struct b43_phy *phy = &dev->phy;
|
|
struct b43_phy_g *gphy = phy->g;
|
|
u32 *stack = gphy->interfstack;
|
|
|
|
switch (mode) {
|
|
case B43_INTERFMODE_NONWLAN:
|
|
if (phy->rev != 1) {
|
|
b43_phy_mask(dev, 0x042B, ~0x0800);
|
|
b43_phy_set(dev, B43_PHY_G_CRS, 0x4000);
|
|
break;
|
|
}
|
|
radio_stackrestore(0x0078);
|
|
b43_calc_nrssi_threshold(dev);
|
|
phy_stackrestore(0x0406);
|
|
b43_phy_mask(dev, 0x042B, ~0x0800);
|
|
if (!dev->bad_frames_preempt) {
|
|
b43_phy_mask(dev, B43_PHY_RADIO_BITFIELD, ~(1 << 11));
|
|
}
|
|
b43_phy_set(dev, B43_PHY_G_CRS, 0x4000);
|
|
phy_stackrestore(0x04A0);
|
|
phy_stackrestore(0x04A1);
|
|
phy_stackrestore(0x04A2);
|
|
phy_stackrestore(0x04A8);
|
|
phy_stackrestore(0x04AB);
|
|
phy_stackrestore(0x04A7);
|
|
phy_stackrestore(0x04A3);
|
|
phy_stackrestore(0x04A9);
|
|
phy_stackrestore(0x0493);
|
|
phy_stackrestore(0x04AA);
|
|
phy_stackrestore(0x04AC);
|
|
break;
|
|
case B43_INTERFMODE_MANUALWLAN:
|
|
if (!(b43_phy_read(dev, 0x0033) & 0x0800))
|
|
break;
|
|
|
|
gphy->aci_enable = false;
|
|
|
|
phy_stackrestore(B43_PHY_RADIO_BITFIELD);
|
|
phy_stackrestore(B43_PHY_G_CRS);
|
|
phy_stackrestore(0x0033);
|
|
phy_stackrestore(0x04A3);
|
|
phy_stackrestore(0x04A9);
|
|
phy_stackrestore(0x0493);
|
|
phy_stackrestore(0x04AA);
|
|
phy_stackrestore(0x04AC);
|
|
phy_stackrestore(0x04A0);
|
|
phy_stackrestore(0x04A7);
|
|
if (phy->rev >= 2) {
|
|
phy_stackrestore(0x04C0);
|
|
phy_stackrestore(0x04C1);
|
|
} else
|
|
phy_stackrestore(0x0406);
|
|
phy_stackrestore(0x04A1);
|
|
phy_stackrestore(0x04AB);
|
|
phy_stackrestore(0x04A8);
|
|
if (phy->rev == 2) {
|
|
phy_stackrestore(0x04AD);
|
|
phy_stackrestore(0x04AE);
|
|
} else if (phy->rev >= 3) {
|
|
phy_stackrestore(0x04AD);
|
|
phy_stackrestore(0x0415);
|
|
phy_stackrestore(0x0416);
|
|
phy_stackrestore(0x0417);
|
|
ofdmtab_stackrestore(0x1A00, 0x2);
|
|
ofdmtab_stackrestore(0x1A00, 0x3);
|
|
}
|
|
phy_stackrestore(0x04A2);
|
|
phy_stackrestore(0x048A);
|
|
phy_stackrestore(0x042B);
|
|
phy_stackrestore(0x048C);
|
|
b43_hf_write(dev, b43_hf_read(dev) & ~B43_HF_ACIW);
|
|
b43_calc_nrssi_slope(dev);
|
|
break;
|
|
default:
|
|
B43_WARN_ON(1);
|
|
}
|
|
}
|
|
|
|
#undef phy_stacksave
|
|
#undef phy_stackrestore
|
|
#undef radio_stacksave
|
|
#undef radio_stackrestore
|
|
#undef ofdmtab_stacksave
|
|
#undef ofdmtab_stackrestore
|
|
|
|
static u16 b43_radio_core_calibration_value(struct b43_wldev *dev)
|
|
{
|
|
u16 reg, index, ret;
|
|
|
|
static const u8 rcc_table[] = {
|
|
0x02, 0x03, 0x01, 0x0F,
|
|
0x06, 0x07, 0x05, 0x0F,
|
|
0x0A, 0x0B, 0x09, 0x0F,
|
|
0x0E, 0x0F, 0x0D, 0x0F,
|
|
};
|
|
|
|
reg = b43_radio_read16(dev, 0x60);
|
|
index = (reg & 0x001E) >> 1;
|
|
ret = rcc_table[index] << 1;
|
|
ret |= (reg & 0x0001);
|
|
ret |= 0x0020;
|
|
|
|
return ret;
|
|
}
|
|
|
|
#define LPD(L, P, D) (((L) << 2) | ((P) << 1) | ((D) << 0))
|
|
static u16 radio2050_rfover_val(struct b43_wldev *dev,
|
|
u16 phy_register, unsigned int lpd)
|
|
{
|
|
struct b43_phy *phy = &dev->phy;
|
|
struct b43_phy_g *gphy = phy->g;
|
|
struct ssb_sprom *sprom = dev->dev->bus_sprom;
|
|
|
|
if (!phy->gmode)
|
|
return 0;
|
|
|
|
if (has_loopback_gain(phy)) {
|
|
int max_lb_gain = gphy->max_lb_gain;
|
|
u16 extlna;
|
|
u16 i;
|
|
|
|
if (phy->radio_rev == 8)
|
|
max_lb_gain += 0x3E;
|
|
else
|
|
max_lb_gain += 0x26;
|
|
if (max_lb_gain >= 0x46) {
|
|
extlna = 0x3000;
|
|
max_lb_gain -= 0x46;
|
|
} else if (max_lb_gain >= 0x3A) {
|
|
extlna = 0x1000;
|
|
max_lb_gain -= 0x3A;
|
|
} else if (max_lb_gain >= 0x2E) {
|
|
extlna = 0x2000;
|
|
max_lb_gain -= 0x2E;
|
|
} else {
|
|
extlna = 0;
|
|
max_lb_gain -= 0x10;
|
|
}
|
|
|
|
for (i = 0; i < 16; i++) {
|
|
max_lb_gain -= (i * 6);
|
|
if (max_lb_gain < 6)
|
|
break;
|
|
}
|
|
|
|
if ((phy->rev < 7) ||
|
|
!(sprom->boardflags_lo & B43_BFL_EXTLNA)) {
|
|
if (phy_register == B43_PHY_RFOVER) {
|
|
return 0x1B3;
|
|
} else if (phy_register == B43_PHY_RFOVERVAL) {
|
|
extlna |= (i << 8);
|
|
switch (lpd) {
|
|
case LPD(0, 1, 1):
|
|
return 0x0F92;
|
|
case LPD(0, 0, 1):
|
|
case LPD(1, 0, 1):
|
|
return (0x0092 | extlna);
|
|
case LPD(1, 0, 0):
|
|
return (0x0093 | extlna);
|
|
}
|
|
B43_WARN_ON(1);
|
|
}
|
|
B43_WARN_ON(1);
|
|
} else {
|
|
if (phy_register == B43_PHY_RFOVER) {
|
|
return 0x9B3;
|
|
} else if (phy_register == B43_PHY_RFOVERVAL) {
|
|
if (extlna)
|
|
extlna |= 0x8000;
|
|
extlna |= (i << 8);
|
|
switch (lpd) {
|
|
case LPD(0, 1, 1):
|
|
return 0x8F92;
|
|
case LPD(0, 0, 1):
|
|
return (0x8092 | extlna);
|
|
case LPD(1, 0, 1):
|
|
return (0x2092 | extlna);
|
|
case LPD(1, 0, 0):
|
|
return (0x2093 | extlna);
|
|
}
|
|
B43_WARN_ON(1);
|
|
}
|
|
B43_WARN_ON(1);
|
|
}
|
|
} else {
|
|
if ((phy->rev < 7) ||
|
|
!(sprom->boardflags_lo & B43_BFL_EXTLNA)) {
|
|
if (phy_register == B43_PHY_RFOVER) {
|
|
return 0x1B3;
|
|
} else if (phy_register == B43_PHY_RFOVERVAL) {
|
|
switch (lpd) {
|
|
case LPD(0, 1, 1):
|
|
return 0x0FB2;
|
|
case LPD(0, 0, 1):
|
|
return 0x00B2;
|
|
case LPD(1, 0, 1):
|
|
return 0x30B2;
|
|
case LPD(1, 0, 0):
|
|
return 0x30B3;
|
|
}
|
|
B43_WARN_ON(1);
|
|
}
|
|
B43_WARN_ON(1);
|
|
} else {
|
|
if (phy_register == B43_PHY_RFOVER) {
|
|
return 0x9B3;
|
|
} else if (phy_register == B43_PHY_RFOVERVAL) {
|
|
switch (lpd) {
|
|
case LPD(0, 1, 1):
|
|
return 0x8FB2;
|
|
case LPD(0, 0, 1):
|
|
return 0x80B2;
|
|
case LPD(1, 0, 1):
|
|
return 0x20B2;
|
|
case LPD(1, 0, 0):
|
|
return 0x20B3;
|
|
}
|
|
B43_WARN_ON(1);
|
|
}
|
|
B43_WARN_ON(1);
|
|
}
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
struct init2050_saved_values {
|
|
/* Core registers */
|
|
u16 reg_3EC;
|
|
u16 reg_3E6;
|
|
u16 reg_3F4;
|
|
/* Radio registers */
|
|
u16 radio_43;
|
|
u16 radio_51;
|
|
u16 radio_52;
|
|
/* PHY registers */
|
|
u16 phy_pgactl;
|
|
u16 phy_cck_5A;
|
|
u16 phy_cck_59;
|
|
u16 phy_cck_58;
|
|
u16 phy_cck_30;
|
|
u16 phy_rfover;
|
|
u16 phy_rfoverval;
|
|
u16 phy_analogover;
|
|
u16 phy_analogoverval;
|
|
u16 phy_crs0;
|
|
u16 phy_classctl;
|
|
u16 phy_lo_mask;
|
|
u16 phy_lo_ctl;
|
|
u16 phy_syncctl;
|
|
};
|
|
|
|
static u16 b43_radio_init2050(struct b43_wldev *dev)
|
|
{
|
|
struct b43_phy *phy = &dev->phy;
|
|
struct init2050_saved_values sav;
|
|
u16 rcc;
|
|
u16 radio78;
|
|
u16 ret;
|
|
u16 i, j;
|
|
u32 tmp1 = 0, tmp2 = 0;
|
|
|
|
memset(&sav, 0, sizeof(sav)); /* get rid of "may be used uninitialized..." */
|
|
|
|
sav.radio_43 = b43_radio_read16(dev, 0x43);
|
|
sav.radio_51 = b43_radio_read16(dev, 0x51);
|
|
sav.radio_52 = b43_radio_read16(dev, 0x52);
|
|
sav.phy_pgactl = b43_phy_read(dev, B43_PHY_PGACTL);
|
|
sav.phy_cck_5A = b43_phy_read(dev, B43_PHY_CCK(0x5A));
|
|
sav.phy_cck_59 = b43_phy_read(dev, B43_PHY_CCK(0x59));
|
|
sav.phy_cck_58 = b43_phy_read(dev, B43_PHY_CCK(0x58));
|
|
|
|
if (phy->type == B43_PHYTYPE_B) {
|
|
sav.phy_cck_30 = b43_phy_read(dev, B43_PHY_CCK(0x30));
|
|
sav.reg_3EC = b43_read16(dev, 0x3EC);
|
|
|
|
b43_phy_write(dev, B43_PHY_CCK(0x30), 0xFF);
|
|
b43_write16(dev, 0x3EC, 0x3F3F);
|
|
} else if (phy->gmode || phy->rev >= 2) {
|
|
sav.phy_rfover = b43_phy_read(dev, B43_PHY_RFOVER);
|
|
sav.phy_rfoverval = b43_phy_read(dev, B43_PHY_RFOVERVAL);
|
|
sav.phy_analogover = b43_phy_read(dev, B43_PHY_ANALOGOVER);
|
|
sav.phy_analogoverval =
|
|
b43_phy_read(dev, B43_PHY_ANALOGOVERVAL);
|
|
sav.phy_crs0 = b43_phy_read(dev, B43_PHY_CRS0);
|
|
sav.phy_classctl = b43_phy_read(dev, B43_PHY_CLASSCTL);
|
|
|
|
b43_phy_set(dev, B43_PHY_ANALOGOVER, 0x0003);
|
|
b43_phy_mask(dev, B43_PHY_ANALOGOVERVAL, 0xFFFC);
|
|
b43_phy_mask(dev, B43_PHY_CRS0, 0x7FFF);
|
|
b43_phy_mask(dev, B43_PHY_CLASSCTL, 0xFFFC);
|
|
if (has_loopback_gain(phy)) {
|
|
sav.phy_lo_mask = b43_phy_read(dev, B43_PHY_LO_MASK);
|
|
sav.phy_lo_ctl = b43_phy_read(dev, B43_PHY_LO_CTL);
|
|
|
|
if (phy->rev >= 3)
|
|
b43_phy_write(dev, B43_PHY_LO_MASK, 0xC020);
|
|
else
|
|
b43_phy_write(dev, B43_PHY_LO_MASK, 0x8020);
|
|
b43_phy_write(dev, B43_PHY_LO_CTL, 0);
|
|
}
|
|
|
|
b43_phy_write(dev, B43_PHY_RFOVERVAL,
|
|
radio2050_rfover_val(dev, B43_PHY_RFOVERVAL,
|
|
LPD(0, 1, 1)));
|
|
b43_phy_write(dev, B43_PHY_RFOVER,
|
|
radio2050_rfover_val(dev, B43_PHY_RFOVER, 0));
|
|
}
|
|
b43_write16(dev, 0x3E2, b43_read16(dev, 0x3E2) | 0x8000);
|
|
|
|
sav.phy_syncctl = b43_phy_read(dev, B43_PHY_SYNCCTL);
|
|
b43_phy_mask(dev, B43_PHY_SYNCCTL, 0xFF7F);
|
|
sav.reg_3E6 = b43_read16(dev, 0x3E6);
|
|
sav.reg_3F4 = b43_read16(dev, 0x3F4);
|
|
|
|
if (phy->analog == 0) {
|
|
b43_write16(dev, 0x03E6, 0x0122);
|
|
} else {
|
|
if (phy->analog >= 2) {
|
|
b43_phy_maskset(dev, B43_PHY_CCK(0x03), 0xFFBF, 0x40);
|
|
}
|
|
b43_write16(dev, B43_MMIO_CHANNEL_EXT,
|
|
(b43_read16(dev, B43_MMIO_CHANNEL_EXT) | 0x2000));
|
|
}
|
|
|
|
rcc = b43_radio_core_calibration_value(dev);
|
|
|
|
if (phy->type == B43_PHYTYPE_B)
|
|
b43_radio_write16(dev, 0x78, 0x26);
|
|
if (phy->gmode || phy->rev >= 2) {
|
|
b43_phy_write(dev, B43_PHY_RFOVERVAL,
|
|
radio2050_rfover_val(dev, B43_PHY_RFOVERVAL,
|
|
LPD(0, 1, 1)));
|
|
}
|
|
b43_phy_write(dev, B43_PHY_PGACTL, 0xBFAF);
|
|
b43_phy_write(dev, B43_PHY_CCK(0x2B), 0x1403);
|
|
if (phy->gmode || phy->rev >= 2) {
|
|
b43_phy_write(dev, B43_PHY_RFOVERVAL,
|
|
radio2050_rfover_val(dev, B43_PHY_RFOVERVAL,
|
|
LPD(0, 0, 1)));
|
|
}
|
|
b43_phy_write(dev, B43_PHY_PGACTL, 0xBFA0);
|
|
b43_radio_set(dev, 0x51, 0x0004);
|
|
if (phy->radio_rev == 8) {
|
|
b43_radio_write16(dev, 0x43, 0x1F);
|
|
} else {
|
|
b43_radio_write16(dev, 0x52, 0);
|
|
b43_radio_maskset(dev, 0x43, 0xFFF0, 0x0009);
|
|
}
|
|
b43_phy_write(dev, B43_PHY_CCK(0x58), 0);
|
|
|
|
for (i = 0; i < 16; i++) {
|
|
b43_phy_write(dev, B43_PHY_CCK(0x5A), 0x0480);
|
|
b43_phy_write(dev, B43_PHY_CCK(0x59), 0xC810);
|
|
b43_phy_write(dev, B43_PHY_CCK(0x58), 0x000D);
|
|
if (phy->gmode || phy->rev >= 2) {
|
|
b43_phy_write(dev, B43_PHY_RFOVERVAL,
|
|
radio2050_rfover_val(dev,
|
|
B43_PHY_RFOVERVAL,
|
|
LPD(1, 0, 1)));
|
|
}
|
|
b43_phy_write(dev, B43_PHY_PGACTL, 0xAFB0);
|
|
udelay(10);
|
|
if (phy->gmode || phy->rev >= 2) {
|
|
b43_phy_write(dev, B43_PHY_RFOVERVAL,
|
|
radio2050_rfover_val(dev,
|
|
B43_PHY_RFOVERVAL,
|
|
LPD(1, 0, 1)));
|
|
}
|
|
b43_phy_write(dev, B43_PHY_PGACTL, 0xEFB0);
|
|
udelay(10);
|
|
if (phy->gmode || phy->rev >= 2) {
|
|
b43_phy_write(dev, B43_PHY_RFOVERVAL,
|
|
radio2050_rfover_val(dev,
|
|
B43_PHY_RFOVERVAL,
|
|
LPD(1, 0, 0)));
|
|
}
|
|
b43_phy_write(dev, B43_PHY_PGACTL, 0xFFF0);
|
|
udelay(20);
|
|
tmp1 += b43_phy_read(dev, B43_PHY_LO_LEAKAGE);
|
|
b43_phy_write(dev, B43_PHY_CCK(0x58), 0);
|
|
if (phy->gmode || phy->rev >= 2) {
|
|
b43_phy_write(dev, B43_PHY_RFOVERVAL,
|
|
radio2050_rfover_val(dev,
|
|
B43_PHY_RFOVERVAL,
|
|
LPD(1, 0, 1)));
|
|
}
|
|
b43_phy_write(dev, B43_PHY_PGACTL, 0xAFB0);
|
|
}
|
|
udelay(10);
|
|
|
|
b43_phy_write(dev, B43_PHY_CCK(0x58), 0);
|
|
tmp1++;
|
|
tmp1 >>= 9;
|
|
|
|
for (i = 0; i < 16; i++) {
|
|
radio78 = (bitrev4(i) << 1) | 0x0020;
|
|
b43_radio_write16(dev, 0x78, radio78);
|
|
udelay(10);
|
|
for (j = 0; j < 16; j++) {
|
|
b43_phy_write(dev, B43_PHY_CCK(0x5A), 0x0D80);
|
|
b43_phy_write(dev, B43_PHY_CCK(0x59), 0xC810);
|
|
b43_phy_write(dev, B43_PHY_CCK(0x58), 0x000D);
|
|
if (phy->gmode || phy->rev >= 2) {
|
|
b43_phy_write(dev, B43_PHY_RFOVERVAL,
|
|
radio2050_rfover_val(dev,
|
|
B43_PHY_RFOVERVAL,
|
|
LPD(1, 0,
|
|
1)));
|
|
}
|
|
b43_phy_write(dev, B43_PHY_PGACTL, 0xAFB0);
|
|
udelay(10);
|
|
if (phy->gmode || phy->rev >= 2) {
|
|
b43_phy_write(dev, B43_PHY_RFOVERVAL,
|
|
radio2050_rfover_val(dev,
|
|
B43_PHY_RFOVERVAL,
|
|
LPD(1, 0,
|
|
1)));
|
|
}
|
|
b43_phy_write(dev, B43_PHY_PGACTL, 0xEFB0);
|
|
udelay(10);
|
|
if (phy->gmode || phy->rev >= 2) {
|
|
b43_phy_write(dev, B43_PHY_RFOVERVAL,
|
|
radio2050_rfover_val(dev,
|
|
B43_PHY_RFOVERVAL,
|
|
LPD(1, 0,
|
|
0)));
|
|
}
|
|
b43_phy_write(dev, B43_PHY_PGACTL, 0xFFF0);
|
|
udelay(10);
|
|
tmp2 += b43_phy_read(dev, B43_PHY_LO_LEAKAGE);
|
|
b43_phy_write(dev, B43_PHY_CCK(0x58), 0);
|
|
if (phy->gmode || phy->rev >= 2) {
|
|
b43_phy_write(dev, B43_PHY_RFOVERVAL,
|
|
radio2050_rfover_val(dev,
|
|
B43_PHY_RFOVERVAL,
|
|
LPD(1, 0,
|
|
1)));
|
|
}
|
|
b43_phy_write(dev, B43_PHY_PGACTL, 0xAFB0);
|
|
}
|
|
tmp2++;
|
|
tmp2 >>= 8;
|
|
if (tmp1 < tmp2)
|
|
break;
|
|
}
|
|
|
|
/* Restore the registers */
|
|
b43_phy_write(dev, B43_PHY_PGACTL, sav.phy_pgactl);
|
|
b43_radio_write16(dev, 0x51, sav.radio_51);
|
|
b43_radio_write16(dev, 0x52, sav.radio_52);
|
|
b43_radio_write16(dev, 0x43, sav.radio_43);
|
|
b43_phy_write(dev, B43_PHY_CCK(0x5A), sav.phy_cck_5A);
|
|
b43_phy_write(dev, B43_PHY_CCK(0x59), sav.phy_cck_59);
|
|
b43_phy_write(dev, B43_PHY_CCK(0x58), sav.phy_cck_58);
|
|
b43_write16(dev, 0x3E6, sav.reg_3E6);
|
|
if (phy->analog != 0)
|
|
b43_write16(dev, 0x3F4, sav.reg_3F4);
|
|
b43_phy_write(dev, B43_PHY_SYNCCTL, sav.phy_syncctl);
|
|
b43_synth_pu_workaround(dev, phy->channel);
|
|
if (phy->type == B43_PHYTYPE_B) {
|
|
b43_phy_write(dev, B43_PHY_CCK(0x30), sav.phy_cck_30);
|
|
b43_write16(dev, 0x3EC, sav.reg_3EC);
|
|
} else if (phy->gmode) {
|
|
b43_write16(dev, B43_MMIO_PHY_RADIO,
|
|
b43_read16(dev, B43_MMIO_PHY_RADIO)
|
|
& 0x7FFF);
|
|
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_ANALOGOVER, sav.phy_analogover);
|
|
b43_phy_write(dev, B43_PHY_ANALOGOVERVAL,
|
|
sav.phy_analogoverval);
|
|
b43_phy_write(dev, B43_PHY_CRS0, sav.phy_crs0);
|
|
b43_phy_write(dev, B43_PHY_CLASSCTL, sav.phy_classctl);
|
|
if (has_loopback_gain(phy)) {
|
|
b43_phy_write(dev, B43_PHY_LO_MASK, sav.phy_lo_mask);
|
|
b43_phy_write(dev, B43_PHY_LO_CTL, sav.phy_lo_ctl);
|
|
}
|
|
}
|
|
if (i > 15)
|
|
ret = radio78;
|
|
else
|
|
ret = rcc;
|
|
|
|
return ret;
|
|
}
|
|
|
|
static void b43_phy_initb5(struct b43_wldev *dev)
|
|
{
|
|
struct b43_phy *phy = &dev->phy;
|
|
struct b43_phy_g *gphy = phy->g;
|
|
u16 offset, value;
|
|
u8 old_channel;
|
|
|
|
if (phy->analog == 1) {
|
|
b43_radio_set(dev, 0x007A, 0x0050);
|
|
}
|
|
if ((dev->dev->board_vendor != SSB_BOARDVENDOR_BCM) &&
|
|
(dev->dev->board_type != SSB_BOARD_BU4306)) {
|
|
value = 0x2120;
|
|
for (offset = 0x00A8; offset < 0x00C7; offset++) {
|
|
b43_phy_write(dev, offset, value);
|
|
value += 0x202;
|
|
}
|
|
}
|
|
b43_phy_maskset(dev, 0x0035, 0xF0FF, 0x0700);
|
|
if (phy->radio_ver == 0x2050)
|
|
b43_phy_write(dev, 0x0038, 0x0667);
|
|
|
|
if (phy->gmode || phy->rev >= 2) {
|
|
if (phy->radio_ver == 0x2050) {
|
|
b43_radio_set(dev, 0x007A, 0x0020);
|
|
b43_radio_set(dev, 0x0051, 0x0004);
|
|
}
|
|
b43_write16(dev, B43_MMIO_PHY_RADIO, 0x0000);
|
|
|
|
b43_phy_set(dev, 0x0802, 0x0100);
|
|
b43_phy_set(dev, 0x042B, 0x2000);
|
|
|
|
b43_phy_write(dev, 0x001C, 0x186A);
|
|
|
|
b43_phy_maskset(dev, 0x0013, 0x00FF, 0x1900);
|
|
b43_phy_maskset(dev, 0x0035, 0xFFC0, 0x0064);
|
|
b43_phy_maskset(dev, 0x005D, 0xFF80, 0x000A);
|
|
}
|
|
|
|
if (dev->bad_frames_preempt) {
|
|
b43_phy_set(dev, B43_PHY_RADIO_BITFIELD, (1 << 11));
|
|
}
|
|
|
|
if (phy->analog == 1) {
|
|
b43_phy_write(dev, 0x0026, 0xCE00);
|
|
b43_phy_write(dev, 0x0021, 0x3763);
|
|
b43_phy_write(dev, 0x0022, 0x1BC3);
|
|
b43_phy_write(dev, 0x0023, 0x06F9);
|
|
b43_phy_write(dev, 0x0024, 0x037E);
|
|
} else
|
|
b43_phy_write(dev, 0x0026, 0xCC00);
|
|
b43_phy_write(dev, 0x0030, 0x00C6);
|
|
b43_write16(dev, 0x03EC, 0x3F22);
|
|
|
|
if (phy->analog == 1)
|
|
b43_phy_write(dev, 0x0020, 0x3E1C);
|
|
else
|
|
b43_phy_write(dev, 0x0020, 0x301C);
|
|
|
|
if (phy->analog == 0)
|
|
b43_write16(dev, 0x03E4, 0x3000);
|
|
|
|
old_channel = phy->channel;
|
|
/* Force to channel 7, even if not supported. */
|
|
b43_gphy_channel_switch(dev, 7, 0);
|
|
|
|
if (phy->radio_ver != 0x2050) {
|
|
b43_radio_write16(dev, 0x0075, 0x0080);
|
|
b43_radio_write16(dev, 0x0079, 0x0081);
|
|
}
|
|
|
|
b43_radio_write16(dev, 0x0050, 0x0020);
|
|
b43_radio_write16(dev, 0x0050, 0x0023);
|
|
|
|
if (phy->radio_ver == 0x2050) {
|
|
b43_radio_write16(dev, 0x0050, 0x0020);
|
|
b43_radio_write16(dev, 0x005A, 0x0070);
|
|
}
|
|
|
|
b43_radio_write16(dev, 0x005B, 0x007B);
|
|
b43_radio_write16(dev, 0x005C, 0x00B0);
|
|
|
|
b43_radio_set(dev, 0x007A, 0x0007);
|
|
|
|
b43_gphy_channel_switch(dev, old_channel, 0);
|
|
|
|
b43_phy_write(dev, 0x0014, 0x0080);
|
|
b43_phy_write(dev, 0x0032, 0x00CA);
|
|
b43_phy_write(dev, 0x002A, 0x88A3);
|
|
|
|
b43_set_txpower_g(dev, &gphy->bbatt, &gphy->rfatt, gphy->tx_control);
|
|
|
|
if (phy->radio_ver == 0x2050)
|
|
b43_radio_write16(dev, 0x005D, 0x000D);
|
|
|
|
b43_write16(dev, 0x03E4, (b43_read16(dev, 0x03E4) & 0xFFC0) | 0x0004);
|
|
}
|
|
|
|
static void b43_phy_initb6(struct b43_wldev *dev)
|
|
{
|
|
struct b43_phy *phy = &dev->phy;
|
|
struct b43_phy_g *gphy = phy->g;
|
|
u16 offset, val;
|
|
u8 old_channel;
|
|
|
|
b43_phy_write(dev, 0x003E, 0x817A);
|
|
b43_radio_write16(dev, 0x007A,
|
|
(b43_radio_read16(dev, 0x007A) | 0x0058));
|
|
if (phy->radio_rev == 4 || phy->radio_rev == 5) {
|
|
b43_radio_write16(dev, 0x51, 0x37);
|
|
b43_radio_write16(dev, 0x52, 0x70);
|
|
b43_radio_write16(dev, 0x53, 0xB3);
|
|
b43_radio_write16(dev, 0x54, 0x9B);
|
|
b43_radio_write16(dev, 0x5A, 0x88);
|
|
b43_radio_write16(dev, 0x5B, 0x88);
|
|
b43_radio_write16(dev, 0x5D, 0x88);
|
|
b43_radio_write16(dev, 0x5E, 0x88);
|
|
b43_radio_write16(dev, 0x7D, 0x88);
|
|
b43_hf_write(dev, b43_hf_read(dev)
|
|
| B43_HF_TSSIRPSMW);
|
|
}
|
|
B43_WARN_ON(phy->radio_rev == 6 || phy->radio_rev == 7); /* We had code for these revs here... */
|
|
if (phy->radio_rev == 8) {
|
|
b43_radio_write16(dev, 0x51, 0);
|
|
b43_radio_write16(dev, 0x52, 0x40);
|
|
b43_radio_write16(dev, 0x53, 0xB7);
|
|
b43_radio_write16(dev, 0x54, 0x98);
|
|
b43_radio_write16(dev, 0x5A, 0x88);
|
|
b43_radio_write16(dev, 0x5B, 0x6B);
|
|
b43_radio_write16(dev, 0x5C, 0x0F);
|
|
if (dev->dev->bus_sprom->boardflags_lo & B43_BFL_ALTIQ) {
|
|
b43_radio_write16(dev, 0x5D, 0xFA);
|
|
b43_radio_write16(dev, 0x5E, 0xD8);
|
|
} else {
|
|
b43_radio_write16(dev, 0x5D, 0xF5);
|
|
b43_radio_write16(dev, 0x5E, 0xB8);
|
|
}
|
|
b43_radio_write16(dev, 0x0073, 0x0003);
|
|
b43_radio_write16(dev, 0x007D, 0x00A8);
|
|
b43_radio_write16(dev, 0x007C, 0x0001);
|
|
b43_radio_write16(dev, 0x007E, 0x0008);
|
|
}
|
|
val = 0x1E1F;
|
|
for (offset = 0x0088; offset < 0x0098; offset++) {
|
|
b43_phy_write(dev, offset, val);
|
|
val -= 0x0202;
|
|
}
|
|
val = 0x3E3F;
|
|
for (offset = 0x0098; offset < 0x00A8; offset++) {
|
|
b43_phy_write(dev, offset, val);
|
|
val -= 0x0202;
|
|
}
|
|
val = 0x2120;
|
|
for (offset = 0x00A8; offset < 0x00C8; offset++) {
|
|
b43_phy_write(dev, offset, (val & 0x3F3F));
|
|
val += 0x0202;
|
|
}
|
|
if (phy->type == B43_PHYTYPE_G) {
|
|
b43_radio_set(dev, 0x007A, 0x0020);
|
|
b43_radio_set(dev, 0x0051, 0x0004);
|
|
b43_phy_set(dev, 0x0802, 0x0100);
|
|
b43_phy_set(dev, 0x042B, 0x2000);
|
|
b43_phy_write(dev, 0x5B, 0);
|
|
b43_phy_write(dev, 0x5C, 0);
|
|
}
|
|
|
|
old_channel = phy->channel;
|
|
if (old_channel >= 8)
|
|
b43_gphy_channel_switch(dev, 1, 0);
|
|
else
|
|
b43_gphy_channel_switch(dev, 13, 0);
|
|
|
|
b43_radio_write16(dev, 0x0050, 0x0020);
|
|
b43_radio_write16(dev, 0x0050, 0x0023);
|
|
udelay(40);
|
|
if (phy->radio_rev < 6 || phy->radio_rev == 8) {
|
|
b43_radio_write16(dev, 0x7C, (b43_radio_read16(dev, 0x7C)
|
|
| 0x0002));
|
|
b43_radio_write16(dev, 0x50, 0x20);
|
|
}
|
|
if (phy->radio_rev <= 2) {
|
|
b43_radio_write16(dev, 0x7C, 0x20);
|
|
b43_radio_write16(dev, 0x5A, 0x70);
|
|
b43_radio_write16(dev, 0x5B, 0x7B);
|
|
b43_radio_write16(dev, 0x5C, 0xB0);
|
|
}
|
|
b43_radio_maskset(dev, 0x007A, 0x00F8, 0x0007);
|
|
|
|
b43_gphy_channel_switch(dev, old_channel, 0);
|
|
|
|
b43_phy_write(dev, 0x0014, 0x0200);
|
|
if (phy->radio_rev >= 6)
|
|
b43_phy_write(dev, 0x2A, 0x88C2);
|
|
else
|
|
b43_phy_write(dev, 0x2A, 0x8AC0);
|
|
b43_phy_write(dev, 0x0038, 0x0668);
|
|
b43_set_txpower_g(dev, &gphy->bbatt, &gphy->rfatt, gphy->tx_control);
|
|
if (phy->radio_rev <= 5) {
|
|
b43_phy_maskset(dev, 0x5D, 0xFF80, 0x0003);
|
|
}
|
|
if (phy->radio_rev <= 2)
|
|
b43_radio_write16(dev, 0x005D, 0x000D);
|
|
|
|
if (phy->analog == 4) {
|
|
b43_write16(dev, 0x3E4, 9);
|
|
b43_phy_mask(dev, 0x61, 0x0FFF);
|
|
} else {
|
|
b43_phy_maskset(dev, 0x0002, 0xFFC0, 0x0004);
|
|
}
|
|
if (phy->type == B43_PHYTYPE_B)
|
|
B43_WARN_ON(1);
|
|
else if (phy->type == B43_PHYTYPE_G)
|
|
b43_write16(dev, 0x03E6, 0x0);
|
|
}
|
|
|
|
static void b43_calc_loopback_gain(struct b43_wldev *dev)
|
|
{
|
|
struct b43_phy *phy = &dev->phy;
|
|
struct b43_phy_g *gphy = phy->g;
|
|
u16 backup_phy[16] = { 0 };
|
|
u16 backup_radio[3];
|
|
u16 backup_bband;
|
|
u16 i, j, loop_i_max;
|
|
u16 trsw_rx;
|
|
u16 loop1_outer_done, loop1_inner_done;
|
|
|
|
backup_phy[0] = b43_phy_read(dev, B43_PHY_CRS0);
|
|
backup_phy[1] = b43_phy_read(dev, B43_PHY_CCKBBANDCFG);
|
|
backup_phy[2] = b43_phy_read(dev, B43_PHY_RFOVER);
|
|
backup_phy[3] = b43_phy_read(dev, B43_PHY_RFOVERVAL);
|
|
if (phy->rev != 1) { /* Not in specs, but needed to prevent PPC machine check */
|
|
backup_phy[4] = b43_phy_read(dev, B43_PHY_ANALOGOVER);
|
|
backup_phy[5] = b43_phy_read(dev, B43_PHY_ANALOGOVERVAL);
|
|
}
|
|
backup_phy[6] = b43_phy_read(dev, B43_PHY_CCK(0x5A));
|
|
backup_phy[7] = b43_phy_read(dev, B43_PHY_CCK(0x59));
|
|
backup_phy[8] = b43_phy_read(dev, B43_PHY_CCK(0x58));
|
|
backup_phy[9] = b43_phy_read(dev, B43_PHY_CCK(0x0A));
|
|
backup_phy[10] = b43_phy_read(dev, B43_PHY_CCK(0x03));
|
|
backup_phy[11] = b43_phy_read(dev, B43_PHY_LO_MASK);
|
|
backup_phy[12] = b43_phy_read(dev, B43_PHY_LO_CTL);
|
|
backup_phy[13] = b43_phy_read(dev, B43_PHY_CCK(0x2B));
|
|
backup_phy[14] = b43_phy_read(dev, B43_PHY_PGACTL);
|
|
backup_phy[15] = b43_phy_read(dev, B43_PHY_LO_LEAKAGE);
|
|
backup_bband = gphy->bbatt.att;
|
|
backup_radio[0] = b43_radio_read16(dev, 0x52);
|
|
backup_radio[1] = b43_radio_read16(dev, 0x43);
|
|
backup_radio[2] = b43_radio_read16(dev, 0x7A);
|
|
|
|
b43_phy_mask(dev, B43_PHY_CRS0, 0x3FFF);
|
|
b43_phy_set(dev, B43_PHY_CCKBBANDCFG, 0x8000);
|
|
b43_phy_set(dev, B43_PHY_RFOVER, 0x0002);
|
|
b43_phy_mask(dev, B43_PHY_RFOVERVAL, 0xFFFD);
|
|
b43_phy_set(dev, B43_PHY_RFOVER, 0x0001);
|
|
b43_phy_mask(dev, B43_PHY_RFOVERVAL, 0xFFFE);
|
|
if (phy->rev != 1) { /* Not in specs, but needed to prevent PPC machine check */
|
|
b43_phy_set(dev, B43_PHY_ANALOGOVER, 0x0001);
|
|
b43_phy_mask(dev, B43_PHY_ANALOGOVERVAL, 0xFFFE);
|
|
b43_phy_set(dev, B43_PHY_ANALOGOVER, 0x0002);
|
|
b43_phy_mask(dev, B43_PHY_ANALOGOVERVAL, 0xFFFD);
|
|
}
|
|
b43_phy_set(dev, B43_PHY_RFOVER, 0x000C);
|
|
b43_phy_set(dev, B43_PHY_RFOVERVAL, 0x000C);
|
|
b43_phy_set(dev, B43_PHY_RFOVER, 0x0030);
|
|
b43_phy_maskset(dev, B43_PHY_RFOVERVAL, 0xFFCF, 0x10);
|
|
|
|
b43_phy_write(dev, B43_PHY_CCK(0x5A), 0x0780);
|
|
b43_phy_write(dev, B43_PHY_CCK(0x59), 0xC810);
|
|
b43_phy_write(dev, B43_PHY_CCK(0x58), 0x000D);
|
|
|
|
b43_phy_set(dev, B43_PHY_CCK(0x0A), 0x2000);
|
|
if (phy->rev != 1) { /* Not in specs, but needed to prevent PPC machine check */
|
|
b43_phy_set(dev, B43_PHY_ANALOGOVER, 0x0004);
|
|
b43_phy_mask(dev, B43_PHY_ANALOGOVERVAL, 0xFFFB);
|
|
}
|
|
b43_phy_maskset(dev, B43_PHY_CCK(0x03), 0xFF9F, 0x40);
|
|
|
|
if (phy->radio_rev == 8) {
|
|
b43_radio_write16(dev, 0x43, 0x000F);
|
|
} else {
|
|
b43_radio_write16(dev, 0x52, 0);
|
|
b43_radio_maskset(dev, 0x43, 0xFFF0, 0x9);
|
|
}
|
|
b43_gphy_set_baseband_attenuation(dev, 11);
|
|
|
|
if (phy->rev >= 3)
|
|
b43_phy_write(dev, B43_PHY_LO_MASK, 0xC020);
|
|
else
|
|
b43_phy_write(dev, B43_PHY_LO_MASK, 0x8020);
|
|
b43_phy_write(dev, B43_PHY_LO_CTL, 0);
|
|
|
|
b43_phy_maskset(dev, B43_PHY_CCK(0x2B), 0xFFC0, 0x01);
|
|
b43_phy_maskset(dev, B43_PHY_CCK(0x2B), 0xC0FF, 0x800);
|
|
|
|
b43_phy_set(dev, B43_PHY_RFOVER, 0x0100);
|
|
b43_phy_mask(dev, B43_PHY_RFOVERVAL, 0xCFFF);
|
|
|
|
if (dev->dev->bus_sprom->boardflags_lo & B43_BFL_EXTLNA) {
|
|
if (phy->rev >= 7) {
|
|
b43_phy_set(dev, B43_PHY_RFOVER, 0x0800);
|
|
b43_phy_set(dev, B43_PHY_RFOVERVAL, 0x8000);
|
|
}
|
|
}
|
|
b43_radio_mask(dev, 0x7A, 0x00F7);
|
|
|
|
j = 0;
|
|
loop_i_max = (phy->radio_rev == 8) ? 15 : 9;
|
|
for (i = 0; i < loop_i_max; i++) {
|
|
for (j = 0; j < 16; j++) {
|
|
b43_radio_write16(dev, 0x43, i);
|
|
b43_phy_maskset(dev, B43_PHY_RFOVERVAL, 0xF0FF, (j << 8));
|
|
b43_phy_maskset(dev, B43_PHY_PGACTL, 0x0FFF, 0xA000);
|
|
b43_phy_set(dev, B43_PHY_PGACTL, 0xF000);
|
|
udelay(20);
|
|
if (b43_phy_read(dev, B43_PHY_LO_LEAKAGE) >= 0xDFC)
|
|
goto exit_loop1;
|
|
}
|
|
}
|
|
exit_loop1:
|
|
loop1_outer_done = i;
|
|
loop1_inner_done = j;
|
|
if (j >= 8) {
|
|
b43_phy_set(dev, B43_PHY_RFOVERVAL, 0x30);
|
|
trsw_rx = 0x1B;
|
|
for (j = j - 8; j < 16; j++) {
|
|
b43_phy_maskset(dev, B43_PHY_RFOVERVAL, 0xF0FF, (j << 8));
|
|
b43_phy_maskset(dev, B43_PHY_PGACTL, 0x0FFF, 0xA000);
|
|
b43_phy_set(dev, B43_PHY_PGACTL, 0xF000);
|
|
udelay(20);
|
|
trsw_rx -= 3;
|
|
if (b43_phy_read(dev, B43_PHY_LO_LEAKAGE) >= 0xDFC)
|
|
goto exit_loop2;
|
|
}
|
|
} else
|
|
trsw_rx = 0x18;
|
|
exit_loop2:
|
|
|
|
if (phy->rev != 1) { /* Not in specs, but needed to prevent PPC machine check */
|
|
b43_phy_write(dev, B43_PHY_ANALOGOVER, backup_phy[4]);
|
|
b43_phy_write(dev, B43_PHY_ANALOGOVERVAL, backup_phy[5]);
|
|
}
|
|
b43_phy_write(dev, B43_PHY_CCK(0x5A), backup_phy[6]);
|
|
b43_phy_write(dev, B43_PHY_CCK(0x59), backup_phy[7]);
|
|
b43_phy_write(dev, B43_PHY_CCK(0x58), backup_phy[8]);
|
|
b43_phy_write(dev, B43_PHY_CCK(0x0A), backup_phy[9]);
|
|
b43_phy_write(dev, B43_PHY_CCK(0x03), backup_phy[10]);
|
|
b43_phy_write(dev, B43_PHY_LO_MASK, backup_phy[11]);
|
|
b43_phy_write(dev, B43_PHY_LO_CTL, backup_phy[12]);
|
|
b43_phy_write(dev, B43_PHY_CCK(0x2B), backup_phy[13]);
|
|
b43_phy_write(dev, B43_PHY_PGACTL, backup_phy[14]);
|
|
|
|
b43_gphy_set_baseband_attenuation(dev, backup_bband);
|
|
|
|
b43_radio_write16(dev, 0x52, backup_radio[0]);
|
|
b43_radio_write16(dev, 0x43, backup_radio[1]);
|
|
b43_radio_write16(dev, 0x7A, backup_radio[2]);
|
|
|
|
b43_phy_write(dev, B43_PHY_RFOVER, backup_phy[2] | 0x0003);
|
|
udelay(10);
|
|
b43_phy_write(dev, B43_PHY_RFOVER, backup_phy[2]);
|
|
b43_phy_write(dev, B43_PHY_RFOVERVAL, backup_phy[3]);
|
|
b43_phy_write(dev, B43_PHY_CRS0, backup_phy[0]);
|
|
b43_phy_write(dev, B43_PHY_CCKBBANDCFG, backup_phy[1]);
|
|
|
|
gphy->max_lb_gain =
|
|
((loop1_inner_done * 6) - (loop1_outer_done * 4)) - 11;
|
|
gphy->trsw_rx_gain = trsw_rx * 2;
|
|
}
|
|
|
|
static void b43_hardware_pctl_early_init(struct b43_wldev *dev)
|
|
{
|
|
struct b43_phy *phy = &dev->phy;
|
|
|
|
if (!b43_has_hardware_pctl(dev)) {
|
|
b43_phy_write(dev, 0x047A, 0xC111);
|
|
return;
|
|
}
|
|
|
|
b43_phy_mask(dev, 0x0036, 0xFEFF);
|
|
b43_phy_write(dev, 0x002F, 0x0202);
|
|
b43_phy_set(dev, 0x047C, 0x0002);
|
|
b43_phy_set(dev, 0x047A, 0xF000);
|
|
if (phy->radio_ver == 0x2050 && phy->radio_rev == 8) {
|
|
b43_phy_maskset(dev, 0x047A, 0xFF0F, 0x0010);
|
|
b43_phy_set(dev, 0x005D, 0x8000);
|
|
b43_phy_maskset(dev, 0x004E, 0xFFC0, 0x0010);
|
|
b43_phy_write(dev, 0x002E, 0xC07F);
|
|
b43_phy_set(dev, 0x0036, 0x0400);
|
|
} else {
|
|
b43_phy_set(dev, 0x0036, 0x0200);
|
|
b43_phy_set(dev, 0x0036, 0x0400);
|
|
b43_phy_mask(dev, 0x005D, 0x7FFF);
|
|
b43_phy_mask(dev, 0x004F, 0xFFFE);
|
|
b43_phy_maskset(dev, 0x004E, 0xFFC0, 0x0010);
|
|
b43_phy_write(dev, 0x002E, 0xC07F);
|
|
b43_phy_maskset(dev, 0x047A, 0xFF0F, 0x0010);
|
|
}
|
|
}
|
|
|
|
/* Hardware power control for G-PHY */
|
|
static void b43_hardware_pctl_init_gphy(struct b43_wldev *dev)
|
|
{
|
|
struct b43_phy *phy = &dev->phy;
|
|
struct b43_phy_g *gphy = phy->g;
|
|
|
|
if (!b43_has_hardware_pctl(dev)) {
|
|
/* No hardware power control */
|
|
b43_hf_write(dev, b43_hf_read(dev) & ~B43_HF_HWPCTL);
|
|
return;
|
|
}
|
|
|
|
b43_phy_maskset(dev, 0x0036, 0xFFC0, (gphy->tgt_idle_tssi - gphy->cur_idle_tssi));
|
|
b43_phy_maskset(dev, 0x0478, 0xFF00, (gphy->tgt_idle_tssi - gphy->cur_idle_tssi));
|
|
b43_gphy_tssi_power_lt_init(dev);
|
|
b43_gphy_gain_lt_init(dev);
|
|
b43_phy_mask(dev, 0x0060, 0xFFBF);
|
|
b43_phy_write(dev, 0x0014, 0x0000);
|
|
|
|
B43_WARN_ON(phy->rev < 6);
|
|
b43_phy_set(dev, 0x0478, 0x0800);
|
|
b43_phy_mask(dev, 0x0478, 0xFEFF);
|
|
b43_phy_mask(dev, 0x0801, 0xFFBF);
|
|
|
|
b43_gphy_dc_lt_init(dev, 1);
|
|
|
|
/* Enable hardware pctl in firmware. */
|
|
b43_hf_write(dev, b43_hf_read(dev) | B43_HF_HWPCTL);
|
|
}
|
|
|
|
/* Initialize B/G PHY power control */
|
|
static void b43_phy_init_pctl(struct b43_wldev *dev)
|
|
{
|
|
struct b43_phy *phy = &dev->phy;
|
|
struct b43_phy_g *gphy = phy->g;
|
|
struct b43_rfatt old_rfatt;
|
|
struct b43_bbatt old_bbatt;
|
|
u8 old_tx_control = 0;
|
|
|
|
B43_WARN_ON(phy->type != B43_PHYTYPE_G);
|
|
|
|
if ((dev->dev->board_vendor == SSB_BOARDVENDOR_BCM) &&
|
|
(dev->dev->board_type == SSB_BOARD_BU4306))
|
|
return;
|
|
|
|
b43_phy_write(dev, 0x0028, 0x8018);
|
|
|
|
/* This does something with the Analog... */
|
|
b43_write16(dev, B43_MMIO_PHY0, b43_read16(dev, B43_MMIO_PHY0)
|
|
& 0xFFDF);
|
|
|
|
if (!phy->gmode)
|
|
return;
|
|
b43_hardware_pctl_early_init(dev);
|
|
if (gphy->cur_idle_tssi == 0) {
|
|
if (phy->radio_ver == 0x2050 && phy->analog == 0) {
|
|
b43_radio_maskset(dev, 0x0076, 0x00F7, 0x0084);
|
|
} else {
|
|
struct b43_rfatt rfatt;
|
|
struct b43_bbatt bbatt;
|
|
|
|
memcpy(&old_rfatt, &gphy->rfatt, sizeof(old_rfatt));
|
|
memcpy(&old_bbatt, &gphy->bbatt, sizeof(old_bbatt));
|
|
old_tx_control = gphy->tx_control;
|
|
|
|
bbatt.att = 11;
|
|
if (phy->radio_rev == 8) {
|
|
rfatt.att = 15;
|
|
rfatt.with_padmix = true;
|
|
} else {
|
|
rfatt.att = 9;
|
|
rfatt.with_padmix = false;
|
|
}
|
|
b43_set_txpower_g(dev, &bbatt, &rfatt, 0);
|
|
}
|
|
b43_dummy_transmission(dev, false, true);
|
|
gphy->cur_idle_tssi = b43_phy_read(dev, B43_PHY_ITSSI);
|
|
if (B43_DEBUG) {
|
|
/* Current-Idle-TSSI sanity check. */
|
|
if (abs(gphy->cur_idle_tssi - gphy->tgt_idle_tssi) >= 20) {
|
|
b43dbg(dev->wl,
|
|
"!WARNING! Idle-TSSI phy->cur_idle_tssi "
|
|
"measuring failed. (cur=%d, tgt=%d). Disabling TX power "
|
|
"adjustment.\n", gphy->cur_idle_tssi,
|
|
gphy->tgt_idle_tssi);
|
|
gphy->cur_idle_tssi = 0;
|
|
}
|
|
}
|
|
if (phy->radio_ver == 0x2050 && phy->analog == 0) {
|
|
b43_radio_mask(dev, 0x0076, 0xFF7B);
|
|
} else {
|
|
b43_set_txpower_g(dev, &old_bbatt,
|
|
&old_rfatt, old_tx_control);
|
|
}
|
|
}
|
|
b43_hardware_pctl_init_gphy(dev);
|
|
b43_shm_clear_tssi(dev);
|
|
}
|
|
|
|
static void b43_phy_initg(struct b43_wldev *dev)
|
|
{
|
|
struct b43_phy *phy = &dev->phy;
|
|
struct b43_phy_g *gphy = phy->g;
|
|
u16 tmp;
|
|
|
|
if (phy->rev == 1)
|
|
b43_phy_initb5(dev);
|
|
else
|
|
b43_phy_initb6(dev);
|
|
|
|
if (phy->rev >= 2 || phy->gmode)
|
|
b43_phy_inita(dev);
|
|
|
|
if (phy->rev >= 2) {
|
|
b43_phy_write(dev, B43_PHY_ANALOGOVER, 0);
|
|
b43_phy_write(dev, B43_PHY_ANALOGOVERVAL, 0);
|
|
}
|
|
if (phy->rev == 2) {
|
|
b43_phy_write(dev, B43_PHY_RFOVER, 0);
|
|
b43_phy_write(dev, B43_PHY_PGACTL, 0xC0);
|
|
}
|
|
if (phy->rev > 5) {
|
|
b43_phy_write(dev, B43_PHY_RFOVER, 0x400);
|
|
b43_phy_write(dev, B43_PHY_PGACTL, 0xC0);
|
|
}
|
|
if (phy->gmode || phy->rev >= 2) {
|
|
tmp = b43_phy_read(dev, B43_PHY_VERSION_OFDM);
|
|
tmp &= B43_PHYVER_VERSION;
|
|
if (tmp == 3 || tmp == 5) {
|
|
b43_phy_write(dev, B43_PHY_OFDM(0xC2), 0x1816);
|
|
b43_phy_write(dev, B43_PHY_OFDM(0xC3), 0x8006);
|
|
}
|
|
if (tmp == 5) {
|
|
b43_phy_maskset(dev, B43_PHY_OFDM(0xCC), 0x00FF, 0x1F00);
|
|
}
|
|
}
|
|
if ((phy->rev <= 2 && phy->gmode) || phy->rev >= 2)
|
|
b43_phy_write(dev, B43_PHY_OFDM(0x7E), 0x78);
|
|
if (phy->radio_rev == 8) {
|
|
b43_phy_set(dev, B43_PHY_EXTG(0x01), 0x80);
|
|
b43_phy_set(dev, B43_PHY_OFDM(0x3E), 0x4);
|
|
}
|
|
if (has_loopback_gain(phy))
|
|
b43_calc_loopback_gain(dev);
|
|
|
|
if (phy->radio_rev != 8) {
|
|
if (gphy->initval == 0xFFFF)
|
|
gphy->initval = b43_radio_init2050(dev);
|
|
else
|
|
b43_radio_write16(dev, 0x0078, gphy->initval);
|
|
}
|
|
b43_lo_g_init(dev);
|
|
if (has_tx_magnification(phy)) {
|
|
b43_radio_write16(dev, 0x52,
|
|
(b43_radio_read16(dev, 0x52) & 0xFF00)
|
|
| gphy->lo_control->tx_bias | gphy->
|
|
lo_control->tx_magn);
|
|
} else {
|
|
b43_radio_maskset(dev, 0x52, 0xFFF0, gphy->lo_control->tx_bias);
|
|
}
|
|
if (phy->rev >= 6) {
|
|
b43_phy_maskset(dev, B43_PHY_CCK(0x36), 0x0FFF, (gphy->lo_control->tx_bias << 12));
|
|
}
|
|
if (dev->dev->bus_sprom->boardflags_lo & B43_BFL_PACTRL)
|
|
b43_phy_write(dev, B43_PHY_CCK(0x2E), 0x8075);
|
|
else
|
|
b43_phy_write(dev, B43_PHY_CCK(0x2E), 0x807F);
|
|
if (phy->rev < 2)
|
|
b43_phy_write(dev, B43_PHY_CCK(0x2F), 0x101);
|
|
else
|
|
b43_phy_write(dev, B43_PHY_CCK(0x2F), 0x202);
|
|
if (phy->gmode || phy->rev >= 2) {
|
|
b43_lo_g_adjust(dev);
|
|
b43_phy_write(dev, B43_PHY_LO_MASK, 0x8078);
|
|
}
|
|
|
|
if (!(dev->dev->bus_sprom->boardflags_lo & B43_BFL_RSSI)) {
|
|
/* The specs state to update the NRSSI LT with
|
|
* the value 0x7FFFFFFF here. I think that is some weird
|
|
* compiler optimization in the original driver.
|
|
* Essentially, what we do here is resetting all NRSSI LT
|
|
* entries to -32 (see the clamp_val() in nrssi_hw_update())
|
|
*/
|
|
b43_nrssi_hw_update(dev, 0xFFFF); //FIXME?
|
|
b43_calc_nrssi_threshold(dev);
|
|
} else if (phy->gmode || phy->rev >= 2) {
|
|
if (gphy->nrssi[0] == -1000) {
|
|
B43_WARN_ON(gphy->nrssi[1] != -1000);
|
|
b43_calc_nrssi_slope(dev);
|
|
} else
|
|
b43_calc_nrssi_threshold(dev);
|
|
}
|
|
if (phy->radio_rev == 8)
|
|
b43_phy_write(dev, B43_PHY_EXTG(0x05), 0x3230);
|
|
b43_phy_init_pctl(dev);
|
|
/* FIXME: The spec says in the following if, the 0 should be replaced
|
|
'if OFDM may not be used in the current locale'
|
|
but OFDM is legal everywhere */
|
|
if ((dev->dev->chip_id == 0x4306
|
|
&& dev->dev->chip_pkg == 2) || 0) {
|
|
b43_phy_mask(dev, B43_PHY_CRS0, 0xBFFF);
|
|
b43_phy_mask(dev, B43_PHY_OFDM(0xC3), 0x7FFF);
|
|
}
|
|
}
|
|
|
|
void b43_gphy_channel_switch(struct b43_wldev *dev,
|
|
unsigned int channel,
|
|
bool synthetic_pu_workaround)
|
|
{
|
|
if (synthetic_pu_workaround)
|
|
b43_synth_pu_workaround(dev, channel);
|
|
|
|
b43_write16(dev, B43_MMIO_CHANNEL, channel2freq_bg(channel));
|
|
|
|
if (channel == 14) {
|
|
if (dev->dev->bus_sprom->country_code ==
|
|
SSB_SPROM1CCODE_JAPAN)
|
|
b43_hf_write(dev,
|
|
b43_hf_read(dev) & ~B43_HF_ACPR);
|
|
else
|
|
b43_hf_write(dev,
|
|
b43_hf_read(dev) | B43_HF_ACPR);
|
|
b43_write16(dev, B43_MMIO_CHANNEL_EXT,
|
|
b43_read16(dev, B43_MMIO_CHANNEL_EXT)
|
|
| (1 << 11));
|
|
} else {
|
|
b43_write16(dev, B43_MMIO_CHANNEL_EXT,
|
|
b43_read16(dev, B43_MMIO_CHANNEL_EXT)
|
|
& 0xF7BF);
|
|
}
|
|
}
|
|
|
|
static void default_baseband_attenuation(struct b43_wldev *dev,
|
|
struct b43_bbatt *bb)
|
|
{
|
|
struct b43_phy *phy = &dev->phy;
|
|
|
|
if (phy->radio_ver == 0x2050 && phy->radio_rev < 6)
|
|
bb->att = 0;
|
|
else
|
|
bb->att = 2;
|
|
}
|
|
|
|
static void default_radio_attenuation(struct b43_wldev *dev,
|
|
struct b43_rfatt *rf)
|
|
{
|
|
struct b43_bus_dev *bdev = dev->dev;
|
|
struct b43_phy *phy = &dev->phy;
|
|
|
|
rf->with_padmix = false;
|
|
|
|
if (dev->dev->board_vendor == SSB_BOARDVENDOR_BCM &&
|
|
dev->dev->board_type == SSB_BOARD_BCM4309G) {
|
|
if (dev->dev->board_rev < 0x43) {
|
|
rf->att = 2;
|
|
return;
|
|
} else if (dev->dev->board_rev < 0x51) {
|
|
rf->att = 3;
|
|
return;
|
|
}
|
|
}
|
|
|
|
if (phy->type == B43_PHYTYPE_A) {
|
|
rf->att = 0x60;
|
|
return;
|
|
}
|
|
|
|
switch (phy->radio_ver) {
|
|
case 0x2053:
|
|
switch (phy->radio_rev) {
|
|
case 1:
|
|
rf->att = 6;
|
|
return;
|
|
}
|
|
break;
|
|
case 0x2050:
|
|
switch (phy->radio_rev) {
|
|
case 0:
|
|
rf->att = 5;
|
|
return;
|
|
case 1:
|
|
if (phy->type == B43_PHYTYPE_G) {
|
|
if (bdev->board_vendor == SSB_BOARDVENDOR_BCM
|
|
&& bdev->board_type == SSB_BOARD_BCM4309G
|
|
&& bdev->board_rev >= 30)
|
|
rf->att = 3;
|
|
else if (bdev->board_vendor ==
|
|
SSB_BOARDVENDOR_BCM
|
|
&& bdev->board_type ==
|
|
SSB_BOARD_BU4306)
|
|
rf->att = 3;
|
|
else
|
|
rf->att = 1;
|
|
} else {
|
|
if (bdev->board_vendor == SSB_BOARDVENDOR_BCM
|
|
&& bdev->board_type == SSB_BOARD_BCM4309G
|
|
&& bdev->board_rev >= 30)
|
|
rf->att = 7;
|
|
else
|
|
rf->att = 6;
|
|
}
|
|
return;
|
|
case 2:
|
|
if (phy->type == B43_PHYTYPE_G) {
|
|
if (bdev->board_vendor == SSB_BOARDVENDOR_BCM
|
|
&& bdev->board_type == SSB_BOARD_BCM4309G
|
|
&& bdev->board_rev >= 30)
|
|
rf->att = 3;
|
|
else if (bdev->board_vendor ==
|
|
SSB_BOARDVENDOR_BCM
|
|
&& bdev->board_type ==
|
|
SSB_BOARD_BU4306)
|
|
rf->att = 5;
|
|
else if (bdev->chip_id == 0x4320)
|
|
rf->att = 4;
|
|
else
|
|
rf->att = 3;
|
|
} else
|
|
rf->att = 6;
|
|
return;
|
|
case 3:
|
|
rf->att = 5;
|
|
return;
|
|
case 4:
|
|
case 5:
|
|
rf->att = 1;
|
|
return;
|
|
case 6:
|
|
case 7:
|
|
rf->att = 5;
|
|
return;
|
|
case 8:
|
|
rf->att = 0xA;
|
|
rf->with_padmix = true;
|
|
return;
|
|
case 9:
|
|
default:
|
|
rf->att = 5;
|
|
return;
|
|
}
|
|
}
|
|
rf->att = 5;
|
|
}
|
|
|
|
static u16 default_tx_control(struct b43_wldev *dev)
|
|
{
|
|
struct b43_phy *phy = &dev->phy;
|
|
|
|
if (phy->radio_ver != 0x2050)
|
|
return 0;
|
|
if (phy->radio_rev == 1)
|
|
return B43_TXCTL_PA2DB | B43_TXCTL_TXMIX;
|
|
if (phy->radio_rev < 6)
|
|
return B43_TXCTL_PA2DB;
|
|
if (phy->radio_rev == 8)
|
|
return B43_TXCTL_TXMIX;
|
|
return 0;
|
|
}
|
|
|
|
static u8 b43_gphy_aci_detect(struct b43_wldev *dev, u8 channel)
|
|
{
|
|
struct b43_phy *phy = &dev->phy;
|
|
struct b43_phy_g *gphy = phy->g;
|
|
u8 ret = 0;
|
|
u16 saved, rssi, temp;
|
|
int i, j = 0;
|
|
|
|
saved = b43_phy_read(dev, 0x0403);
|
|
b43_switch_channel(dev, channel);
|
|
b43_phy_write(dev, 0x0403, (saved & 0xFFF8) | 5);
|
|
if (gphy->aci_hw_rssi)
|
|
rssi = b43_phy_read(dev, 0x048A) & 0x3F;
|
|
else
|
|
rssi = saved & 0x3F;
|
|
/* clamp temp to signed 5bit */
|
|
if (rssi > 32)
|
|
rssi -= 64;
|
|
for (i = 0; i < 100; i++) {
|
|
temp = (b43_phy_read(dev, 0x047F) >> 8) & 0x3F;
|
|
if (temp > 32)
|
|
temp -= 64;
|
|
if (temp < rssi)
|
|
j++;
|
|
if (j >= 20)
|
|
ret = 1;
|
|
}
|
|
b43_phy_write(dev, 0x0403, saved);
|
|
|
|
return ret;
|
|
}
|
|
|
|
static u8 b43_gphy_aci_scan(struct b43_wldev *dev)
|
|
{
|
|
struct b43_phy *phy = &dev->phy;
|
|
u8 ret[13];
|
|
unsigned int channel = phy->channel;
|
|
unsigned int i, j, start, end;
|
|
|
|
if (!((phy->type == B43_PHYTYPE_G) && (phy->rev > 0)))
|
|
return 0;
|
|
|
|
b43_phy_lock(dev);
|
|
b43_radio_lock(dev);
|
|
b43_phy_mask(dev, 0x0802, 0xFFFC);
|
|
b43_phy_mask(dev, B43_PHY_G_CRS, 0x7FFF);
|
|
b43_set_all_gains(dev, 3, 8, 1);
|
|
|
|
start = (channel - 5 > 0) ? channel - 5 : 1;
|
|
end = (channel + 5 < 14) ? channel + 5 : 13;
|
|
|
|
for (i = start; i <= end; i++) {
|
|
if (abs(channel - i) > 2)
|
|
ret[i - 1] = b43_gphy_aci_detect(dev, i);
|
|
}
|
|
b43_switch_channel(dev, channel);
|
|
b43_phy_maskset(dev, 0x0802, 0xFFFC, 0x0003);
|
|
b43_phy_mask(dev, 0x0403, 0xFFF8);
|
|
b43_phy_set(dev, B43_PHY_G_CRS, 0x8000);
|
|
b43_set_original_gains(dev);
|
|
for (i = 0; i < 13; i++) {
|
|
if (!ret[i])
|
|
continue;
|
|
end = (i + 5 < 13) ? i + 5 : 13;
|
|
for (j = i; j < end; j++)
|
|
ret[j] = 1;
|
|
}
|
|
b43_radio_unlock(dev);
|
|
b43_phy_unlock(dev);
|
|
|
|
return ret[channel - 1];
|
|
}
|
|
|
|
static s32 b43_tssi2dbm_ad(s32 num, s32 den)
|
|
{
|
|
if (num < 0)
|
|
return num / den;
|
|
else
|
|
return (num + den / 2) / den;
|
|
}
|
|
|
|
static s8 b43_tssi2dbm_entry(s8 entry[], u8 index,
|
|
s16 pab0, s16 pab1, s16 pab2)
|
|
{
|
|
s32 m1, m2, f = 256, q, delta;
|
|
s8 i = 0;
|
|
|
|
m1 = b43_tssi2dbm_ad(16 * pab0 + index * pab1, 32);
|
|
m2 = max(b43_tssi2dbm_ad(32768 + index * pab2, 256), 1);
|
|
do {
|
|
if (i > 15)
|
|
return -EINVAL;
|
|
q = b43_tssi2dbm_ad(f * 4096 -
|
|
b43_tssi2dbm_ad(m2 * f, 16) * f, 2048);
|
|
delta = abs(q - f);
|
|
f = q;
|
|
i++;
|
|
} while (delta >= 2);
|
|
entry[index] = clamp_val(b43_tssi2dbm_ad(m1 * f, 8192), -127, 128);
|
|
return 0;
|
|
}
|
|
|
|
u8 *b43_generate_dyn_tssi2dbm_tab(struct b43_wldev *dev,
|
|
s16 pab0, s16 pab1, s16 pab2)
|
|
{
|
|
unsigned int i;
|
|
u8 *tab;
|
|
int err;
|
|
|
|
tab = kmalloc(64, GFP_KERNEL);
|
|
if (!tab) {
|
|
b43err(dev->wl, "Could not allocate memory "
|
|
"for tssi2dbm table\n");
|
|
return NULL;
|
|
}
|
|
for (i = 0; i < 64; i++) {
|
|
err = b43_tssi2dbm_entry(tab, i, pab0, pab1, pab2);
|
|
if (err) {
|
|
b43err(dev->wl, "Could not generate "
|
|
"tssi2dBm table\n");
|
|
kfree(tab);
|
|
return NULL;
|
|
}
|
|
}
|
|
|
|
return tab;
|
|
}
|
|
|
|
/* Initialise the TSSI->dBm lookup table */
|
|
static int b43_gphy_init_tssi2dbm_table(struct b43_wldev *dev)
|
|
{
|
|
struct b43_phy *phy = &dev->phy;
|
|
struct b43_phy_g *gphy = phy->g;
|
|
s16 pab0, pab1, pab2;
|
|
|
|
pab0 = (s16) (dev->dev->bus_sprom->pa0b0);
|
|
pab1 = (s16) (dev->dev->bus_sprom->pa0b1);
|
|
pab2 = (s16) (dev->dev->bus_sprom->pa0b2);
|
|
|
|
B43_WARN_ON((dev->dev->chip_id == 0x4301) &&
|
|
(phy->radio_ver != 0x2050)); /* Not supported anymore */
|
|
|
|
gphy->dyn_tssi_tbl = false;
|
|
|
|
if (pab0 != 0 && pab1 != 0 && pab2 != 0 &&
|
|
pab0 != -1 && pab1 != -1 && pab2 != -1) {
|
|
/* The pabX values are set in SPROM. Use them. */
|
|
if ((s8) dev->dev->bus_sprom->itssi_bg != 0 &&
|
|
(s8) dev->dev->bus_sprom->itssi_bg != -1) {
|
|
gphy->tgt_idle_tssi =
|
|
(s8) (dev->dev->bus_sprom->itssi_bg);
|
|
} else
|
|
gphy->tgt_idle_tssi = 62;
|
|
gphy->tssi2dbm = b43_generate_dyn_tssi2dbm_tab(dev, pab0,
|
|
pab1, pab2);
|
|
if (!gphy->tssi2dbm)
|
|
return -ENOMEM;
|
|
gphy->dyn_tssi_tbl = true;
|
|
} else {
|
|
/* pabX values not set in SPROM. */
|
|
gphy->tgt_idle_tssi = 52;
|
|
gphy->tssi2dbm = b43_tssi2dbm_g_table;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int b43_gphy_op_allocate(struct b43_wldev *dev)
|
|
{
|
|
struct b43_phy_g *gphy;
|
|
struct b43_txpower_lo_control *lo;
|
|
int err;
|
|
|
|
gphy = kzalloc(sizeof(*gphy), GFP_KERNEL);
|
|
if (!gphy) {
|
|
err = -ENOMEM;
|
|
goto error;
|
|
}
|
|
dev->phy.g = gphy;
|
|
|
|
lo = kzalloc(sizeof(*lo), GFP_KERNEL);
|
|
if (!lo) {
|
|
err = -ENOMEM;
|
|
goto err_free_gphy;
|
|
}
|
|
gphy->lo_control = lo;
|
|
|
|
err = b43_gphy_init_tssi2dbm_table(dev);
|
|
if (err)
|
|
goto err_free_lo;
|
|
|
|
return 0;
|
|
|
|
err_free_lo:
|
|
kfree(lo);
|
|
err_free_gphy:
|
|
kfree(gphy);
|
|
error:
|
|
return err;
|
|
}
|
|
|
|
static void b43_gphy_op_prepare_structs(struct b43_wldev *dev)
|
|
{
|
|
struct b43_phy *phy = &dev->phy;
|
|
struct b43_phy_g *gphy = phy->g;
|
|
const void *tssi2dbm;
|
|
int tgt_idle_tssi;
|
|
struct b43_txpower_lo_control *lo;
|
|
unsigned int i;
|
|
|
|
/* tssi2dbm table is constant, so it is initialized at alloc time.
|
|
* Save a copy of the pointer. */
|
|
tssi2dbm = gphy->tssi2dbm;
|
|
tgt_idle_tssi = gphy->tgt_idle_tssi;
|
|
/* Save the LO pointer. */
|
|
lo = gphy->lo_control;
|
|
|
|
/* Zero out the whole PHY structure. */
|
|
memset(gphy, 0, sizeof(*gphy));
|
|
|
|
/* Restore pointers. */
|
|
gphy->tssi2dbm = tssi2dbm;
|
|
gphy->tgt_idle_tssi = tgt_idle_tssi;
|
|
gphy->lo_control = lo;
|
|
|
|
memset(gphy->minlowsig, 0xFF, sizeof(gphy->minlowsig));
|
|
|
|
/* NRSSI */
|
|
for (i = 0; i < ARRAY_SIZE(gphy->nrssi); i++)
|
|
gphy->nrssi[i] = -1000;
|
|
for (i = 0; i < ARRAY_SIZE(gphy->nrssi_lt); i++)
|
|
gphy->nrssi_lt[i] = i;
|
|
|
|
gphy->lofcal = 0xFFFF;
|
|
gphy->initval = 0xFFFF;
|
|
|
|
gphy->interfmode = B43_INTERFMODE_NONE;
|
|
|
|
/* OFDM-table address caching. */
|
|
gphy->ofdmtab_addr_direction = B43_OFDMTAB_DIRECTION_UNKNOWN;
|
|
|
|
gphy->average_tssi = 0xFF;
|
|
|
|
/* Local Osciallator structure */
|
|
lo->tx_bias = 0xFF;
|
|
INIT_LIST_HEAD(&lo->calib_list);
|
|
}
|
|
|
|
static void b43_gphy_op_free(struct b43_wldev *dev)
|
|
{
|
|
struct b43_phy *phy = &dev->phy;
|
|
struct b43_phy_g *gphy = phy->g;
|
|
|
|
kfree(gphy->lo_control);
|
|
|
|
if (gphy->dyn_tssi_tbl)
|
|
kfree(gphy->tssi2dbm);
|
|
gphy->dyn_tssi_tbl = false;
|
|
gphy->tssi2dbm = NULL;
|
|
|
|
kfree(gphy);
|
|
dev->phy.g = NULL;
|
|
}
|
|
|
|
static int b43_gphy_op_prepare_hardware(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;
|
|
|
|
B43_WARN_ON(phy->type != B43_PHYTYPE_G);
|
|
|
|
default_baseband_attenuation(dev, &gphy->bbatt);
|
|
default_radio_attenuation(dev, &gphy->rfatt);
|
|
gphy->tx_control = (default_tx_control(dev) << 4);
|
|
generate_rfatt_list(dev, &lo->rfatt_list);
|
|
generate_bbatt_list(dev, &lo->bbatt_list);
|
|
|
|
/* Commit previous writes */
|
|
b43_read32(dev, B43_MMIO_MACCTL);
|
|
|
|
if (phy->rev == 1) {
|
|
/* Workaround: Temporarly disable gmode through the early init
|
|
* phase, as the gmode stuff is not needed for phy rev 1 */
|
|
phy->gmode = false;
|
|
b43_wireless_core_reset(dev, 0);
|
|
b43_phy_initg(dev);
|
|
phy->gmode = true;
|
|
b43_wireless_core_reset(dev, 1);
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int b43_gphy_op_init(struct b43_wldev *dev)
|
|
{
|
|
b43_phy_initg(dev);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static void b43_gphy_op_exit(struct b43_wldev *dev)
|
|
{
|
|
b43_lo_g_cleanup(dev);
|
|
}
|
|
|
|
static u16 b43_gphy_op_read(struct b43_wldev *dev, u16 reg)
|
|
{
|
|
b43_write16(dev, B43_MMIO_PHY_CONTROL, reg);
|
|
return b43_read16(dev, B43_MMIO_PHY_DATA);
|
|
}
|
|
|
|
static void b43_gphy_op_write(struct b43_wldev *dev, u16 reg, u16 value)
|
|
{
|
|
b43_write16(dev, B43_MMIO_PHY_CONTROL, reg);
|
|
b43_write16(dev, B43_MMIO_PHY_DATA, value);
|
|
}
|
|
|
|
static u16 b43_gphy_op_radio_read(struct b43_wldev *dev, u16 reg)
|
|
{
|
|
/* Register 1 is a 32-bit register. */
|
|
B43_WARN_ON(reg == 1);
|
|
/* G-PHY needs 0x80 for read access. */
|
|
reg |= 0x80;
|
|
|
|
b43_write16(dev, B43_MMIO_RADIO_CONTROL, reg);
|
|
return b43_read16(dev, B43_MMIO_RADIO_DATA_LOW);
|
|
}
|
|
|
|
static void b43_gphy_op_radio_write(struct b43_wldev *dev, u16 reg, u16 value)
|
|
{
|
|
/* Register 1 is a 32-bit register. */
|
|
B43_WARN_ON(reg == 1);
|
|
|
|
b43_write16(dev, B43_MMIO_RADIO_CONTROL, reg);
|
|
b43_write16(dev, B43_MMIO_RADIO_DATA_LOW, value);
|
|
}
|
|
|
|
static bool b43_gphy_op_supports_hwpctl(struct b43_wldev *dev)
|
|
{
|
|
return (dev->phy.rev >= 6);
|
|
}
|
|
|
|
static void b43_gphy_op_software_rfkill(struct b43_wldev *dev,
|
|
bool blocked)
|
|
{
|
|
struct b43_phy *phy = &dev->phy;
|
|
struct b43_phy_g *gphy = phy->g;
|
|
unsigned int channel;
|
|
|
|
might_sleep();
|
|
|
|
if (!blocked) {
|
|
/* Turn radio ON */
|
|
if (phy->radio_on)
|
|
return;
|
|
|
|
b43_phy_write(dev, 0x0015, 0x8000);
|
|
b43_phy_write(dev, 0x0015, 0xCC00);
|
|
b43_phy_write(dev, 0x0015, (phy->gmode ? 0x00C0 : 0x0000));
|
|
if (gphy->radio_off_context.valid) {
|
|
/* Restore the RFover values. */
|
|
b43_phy_write(dev, B43_PHY_RFOVER,
|
|
gphy->radio_off_context.rfover);
|
|
b43_phy_write(dev, B43_PHY_RFOVERVAL,
|
|
gphy->radio_off_context.rfoverval);
|
|
gphy->radio_off_context.valid = false;
|
|
}
|
|
channel = phy->channel;
|
|
b43_gphy_channel_switch(dev, 6, 1);
|
|
b43_gphy_channel_switch(dev, channel, 0);
|
|
} else {
|
|
/* Turn radio OFF */
|
|
u16 rfover, rfoverval;
|
|
|
|
rfover = b43_phy_read(dev, B43_PHY_RFOVER);
|
|
rfoverval = b43_phy_read(dev, B43_PHY_RFOVERVAL);
|
|
gphy->radio_off_context.rfover = rfover;
|
|
gphy->radio_off_context.rfoverval = rfoverval;
|
|
gphy->radio_off_context.valid = true;
|
|
b43_phy_write(dev, B43_PHY_RFOVER, rfover | 0x008C);
|
|
b43_phy_write(dev, B43_PHY_RFOVERVAL, rfoverval & 0xFF73);
|
|
}
|
|
}
|
|
|
|
static int b43_gphy_op_switch_channel(struct b43_wldev *dev,
|
|
unsigned int new_channel)
|
|
{
|
|
if ((new_channel < 1) || (new_channel > 14))
|
|
return -EINVAL;
|
|
b43_gphy_channel_switch(dev, new_channel, 0);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static unsigned int b43_gphy_op_get_default_chan(struct b43_wldev *dev)
|
|
{
|
|
return 1; /* Default to channel 1 */
|
|
}
|
|
|
|
static void b43_gphy_op_set_rx_antenna(struct b43_wldev *dev, int antenna)
|
|
{
|
|
struct b43_phy *phy = &dev->phy;
|
|
u16 tmp;
|
|
int autodiv = 0;
|
|
|
|
if (antenna == B43_ANTENNA_AUTO0 || antenna == B43_ANTENNA_AUTO1)
|
|
autodiv = 1;
|
|
|
|
b43_hf_write(dev, b43_hf_read(dev) & ~B43_HF_ANTDIVHELP);
|
|
|
|
b43_phy_maskset(dev, B43_PHY_BBANDCFG, ~B43_PHY_BBANDCFG_RXANT,
|
|
(autodiv ? B43_ANTENNA_AUTO1 : antenna) <<
|
|
B43_PHY_BBANDCFG_RXANT_SHIFT);
|
|
|
|
if (autodiv) {
|
|
tmp = b43_phy_read(dev, B43_PHY_ANTDWELL);
|
|
if (antenna == B43_ANTENNA_AUTO1)
|
|
tmp &= ~B43_PHY_ANTDWELL_AUTODIV1;
|
|
else
|
|
tmp |= B43_PHY_ANTDWELL_AUTODIV1;
|
|
b43_phy_write(dev, B43_PHY_ANTDWELL, tmp);
|
|
}
|
|
|
|
tmp = b43_phy_read(dev, B43_PHY_ANTWRSETT);
|
|
if (autodiv)
|
|
tmp |= B43_PHY_ANTWRSETT_ARXDIV;
|
|
else
|
|
tmp &= ~B43_PHY_ANTWRSETT_ARXDIV;
|
|
b43_phy_write(dev, B43_PHY_ANTWRSETT, tmp);
|
|
|
|
if (autodiv)
|
|
b43_phy_set(dev, B43_PHY_ANTWRSETT, B43_PHY_ANTWRSETT_ARXDIV);
|
|
else {
|
|
b43_phy_mask(dev, B43_PHY_ANTWRSETT,
|
|
B43_PHY_ANTWRSETT_ARXDIV);
|
|
}
|
|
|
|
if (phy->rev >= 2) {
|
|
b43_phy_set(dev, B43_PHY_OFDM61, B43_PHY_OFDM61_10);
|
|
b43_phy_maskset(dev, B43_PHY_DIVSRCHGAINBACK, 0xFF00, 0x15);
|
|
|
|
if (phy->rev == 2)
|
|
b43_phy_write(dev, B43_PHY_ADIVRELATED, 8);
|
|
else
|
|
b43_phy_maskset(dev, B43_PHY_ADIVRELATED, 0xFF00, 8);
|
|
}
|
|
if (phy->rev >= 6)
|
|
b43_phy_write(dev, B43_PHY_OFDM9B, 0xDC);
|
|
|
|
b43_hf_write(dev, b43_hf_read(dev) | B43_HF_ANTDIVHELP);
|
|
}
|
|
|
|
static int b43_gphy_op_interf_mitigation(struct b43_wldev *dev,
|
|
enum b43_interference_mitigation mode)
|
|
{
|
|
struct b43_phy *phy = &dev->phy;
|
|
struct b43_phy_g *gphy = phy->g;
|
|
int currentmode;
|
|
|
|
B43_WARN_ON(phy->type != B43_PHYTYPE_G);
|
|
if ((phy->rev == 0) || (!phy->gmode))
|
|
return -ENODEV;
|
|
|
|
gphy->aci_wlan_automatic = false;
|
|
switch (mode) {
|
|
case B43_INTERFMODE_AUTOWLAN:
|
|
gphy->aci_wlan_automatic = true;
|
|
if (gphy->aci_enable)
|
|
mode = B43_INTERFMODE_MANUALWLAN;
|
|
else
|
|
mode = B43_INTERFMODE_NONE;
|
|
break;
|
|
case B43_INTERFMODE_NONE:
|
|
case B43_INTERFMODE_NONWLAN:
|
|
case B43_INTERFMODE_MANUALWLAN:
|
|
break;
|
|
default:
|
|
return -EINVAL;
|
|
}
|
|
|
|
currentmode = gphy->interfmode;
|
|
if (currentmode == mode)
|
|
return 0;
|
|
if (currentmode != B43_INTERFMODE_NONE)
|
|
b43_radio_interference_mitigation_disable(dev, currentmode);
|
|
|
|
if (mode == B43_INTERFMODE_NONE) {
|
|
gphy->aci_enable = false;
|
|
gphy->aci_hw_rssi = false;
|
|
} else
|
|
b43_radio_interference_mitigation_enable(dev, mode);
|
|
gphy->interfmode = mode;
|
|
|
|
return 0;
|
|
}
|
|
|
|
/* http://bcm-specs.sipsolutions.net/EstimatePowerOut
|
|
* This function converts a TSSI value to dBm in Q5.2
|
|
*/
|
|
static s8 b43_gphy_estimate_power_out(struct b43_wldev *dev, s8 tssi)
|
|
{
|
|
struct b43_phy_g *gphy = dev->phy.g;
|
|
s8 dbm;
|
|
s32 tmp;
|
|
|
|
tmp = (gphy->tgt_idle_tssi - gphy->cur_idle_tssi + tssi);
|
|
tmp = clamp_val(tmp, 0x00, 0x3F);
|
|
dbm = gphy->tssi2dbm[tmp];
|
|
|
|
return dbm;
|
|
}
|
|
|
|
static void b43_put_attenuation_into_ranges(struct b43_wldev *dev,
|
|
int *_bbatt, int *_rfatt)
|
|
{
|
|
int rfatt = *_rfatt;
|
|
int bbatt = *_bbatt;
|
|
struct b43_txpower_lo_control *lo = dev->phy.g->lo_control;
|
|
|
|
/* Get baseband and radio attenuation values into their permitted ranges.
|
|
* Radio attenuation affects power level 4 times as much as baseband. */
|
|
|
|
/* Range constants */
|
|
const int rf_min = lo->rfatt_list.min_val;
|
|
const int rf_max = lo->rfatt_list.max_val;
|
|
const int bb_min = lo->bbatt_list.min_val;
|
|
const int bb_max = lo->bbatt_list.max_val;
|
|
|
|
while (1) {
|
|
if (rfatt > rf_max && bbatt > bb_max - 4)
|
|
break; /* Can not get it into ranges */
|
|
if (rfatt < rf_min && bbatt < bb_min + 4)
|
|
break; /* Can not get it into ranges */
|
|
if (bbatt > bb_max && rfatt > rf_max - 1)
|
|
break; /* Can not get it into ranges */
|
|
if (bbatt < bb_min && rfatt < rf_min + 1)
|
|
break; /* Can not get it into ranges */
|
|
|
|
if (bbatt > bb_max) {
|
|
bbatt -= 4;
|
|
rfatt += 1;
|
|
continue;
|
|
}
|
|
if (bbatt < bb_min) {
|
|
bbatt += 4;
|
|
rfatt -= 1;
|
|
continue;
|
|
}
|
|
if (rfatt > rf_max) {
|
|
rfatt -= 1;
|
|
bbatt += 4;
|
|
continue;
|
|
}
|
|
if (rfatt < rf_min) {
|
|
rfatt += 1;
|
|
bbatt -= 4;
|
|
continue;
|
|
}
|
|
break;
|
|
}
|
|
|
|
*_rfatt = clamp_val(rfatt, rf_min, rf_max);
|
|
*_bbatt = clamp_val(bbatt, bb_min, bb_max);
|
|
}
|
|
|
|
static void b43_gphy_op_adjust_txpower(struct b43_wldev *dev)
|
|
{
|
|
struct b43_phy *phy = &dev->phy;
|
|
struct b43_phy_g *gphy = phy->g;
|
|
int rfatt, bbatt;
|
|
u8 tx_control;
|
|
|
|
b43_mac_suspend(dev);
|
|
|
|
/* Calculate the new attenuation values. */
|
|
bbatt = gphy->bbatt.att;
|
|
bbatt += gphy->bbatt_delta;
|
|
rfatt = gphy->rfatt.att;
|
|
rfatt += gphy->rfatt_delta;
|
|
|
|
b43_put_attenuation_into_ranges(dev, &bbatt, &rfatt);
|
|
tx_control = gphy->tx_control;
|
|
if ((phy->radio_ver == 0x2050) && (phy->radio_rev == 2)) {
|
|
if (rfatt <= 1) {
|
|
if (tx_control == 0) {
|
|
tx_control =
|
|
B43_TXCTL_PA2DB |
|
|
B43_TXCTL_TXMIX;
|
|
rfatt += 2;
|
|
bbatt += 2;
|
|
} else if (dev->dev->bus_sprom->
|
|
boardflags_lo &
|
|
B43_BFL_PACTRL) {
|
|
bbatt += 4 * (rfatt - 2);
|
|
rfatt = 2;
|
|
}
|
|
} else if (rfatt > 4 && tx_control) {
|
|
tx_control = 0;
|
|
if (bbatt < 3) {
|
|
rfatt -= 3;
|
|
bbatt += 2;
|
|
} else {
|
|
rfatt -= 2;
|
|
bbatt -= 2;
|
|
}
|
|
}
|
|
}
|
|
/* Save the control values */
|
|
gphy->tx_control = tx_control;
|
|
b43_put_attenuation_into_ranges(dev, &bbatt, &rfatt);
|
|
gphy->rfatt.att = rfatt;
|
|
gphy->bbatt.att = bbatt;
|
|
|
|
if (b43_debug(dev, B43_DBG_XMITPOWER))
|
|
b43dbg(dev->wl, "Adjusting TX power\n");
|
|
|
|
/* Adjust the hardware */
|
|
b43_phy_lock(dev);
|
|
b43_radio_lock(dev);
|
|
b43_set_txpower_g(dev, &gphy->bbatt, &gphy->rfatt,
|
|
gphy->tx_control);
|
|
b43_radio_unlock(dev);
|
|
b43_phy_unlock(dev);
|
|
|
|
b43_mac_enable(dev);
|
|
}
|
|
|
|
static enum b43_txpwr_result b43_gphy_op_recalc_txpower(struct b43_wldev *dev,
|
|
bool ignore_tssi)
|
|
{
|
|
struct b43_phy *phy = &dev->phy;
|
|
struct b43_phy_g *gphy = phy->g;
|
|
unsigned int average_tssi;
|
|
int cck_result, ofdm_result;
|
|
int estimated_pwr, desired_pwr, pwr_adjust;
|
|
int rfatt_delta, bbatt_delta;
|
|
unsigned int max_pwr;
|
|
|
|
/* First get the average TSSI */
|
|
cck_result = b43_phy_shm_tssi_read(dev, B43_SHM_SH_TSSI_CCK);
|
|
ofdm_result = b43_phy_shm_tssi_read(dev, B43_SHM_SH_TSSI_OFDM_G);
|
|
if ((cck_result < 0) && (ofdm_result < 0)) {
|
|
/* No TSSI information available */
|
|
if (!ignore_tssi)
|
|
goto no_adjustment_needed;
|
|
cck_result = 0;
|
|
ofdm_result = 0;
|
|
}
|
|
if (cck_result < 0)
|
|
average_tssi = ofdm_result;
|
|
else if (ofdm_result < 0)
|
|
average_tssi = cck_result;
|
|
else
|
|
average_tssi = (cck_result + ofdm_result) / 2;
|
|
/* Merge the average with the stored value. */
|
|
if (likely(gphy->average_tssi != 0xFF))
|
|
average_tssi = (average_tssi + gphy->average_tssi) / 2;
|
|
gphy->average_tssi = average_tssi;
|
|
B43_WARN_ON(average_tssi >= B43_TSSI_MAX);
|
|
|
|
/* Estimate the TX power emission based on the TSSI */
|
|
estimated_pwr = b43_gphy_estimate_power_out(dev, average_tssi);
|
|
|
|
B43_WARN_ON(phy->type != B43_PHYTYPE_G);
|
|
max_pwr = dev->dev->bus_sprom->maxpwr_bg;
|
|
if (dev->dev->bus_sprom->boardflags_lo & B43_BFL_PACTRL)
|
|
max_pwr -= 3; /* minus 0.75 */
|
|
if (unlikely(max_pwr >= INT_TO_Q52(30/*dBm*/))) {
|
|
b43warn(dev->wl,
|
|
"Invalid max-TX-power value in SPROM.\n");
|
|
max_pwr = INT_TO_Q52(20); /* fake it */
|
|
dev->dev->bus_sprom->maxpwr_bg = max_pwr;
|
|
}
|
|
|
|
/* Get desired power (in Q5.2) */
|
|
if (phy->desired_txpower < 0)
|
|
desired_pwr = INT_TO_Q52(0);
|
|
else
|
|
desired_pwr = INT_TO_Q52(phy->desired_txpower);
|
|
/* And limit it. max_pwr already is Q5.2 */
|
|
desired_pwr = clamp_val(desired_pwr, 0, max_pwr);
|
|
if (b43_debug(dev, B43_DBG_XMITPOWER)) {
|
|
b43dbg(dev->wl,
|
|
"[TX power] current = " Q52_FMT
|
|
" dBm, desired = " Q52_FMT
|
|
" dBm, max = " Q52_FMT "\n",
|
|
Q52_ARG(estimated_pwr),
|
|
Q52_ARG(desired_pwr),
|
|
Q52_ARG(max_pwr));
|
|
}
|
|
|
|
/* Calculate the adjustment delta. */
|
|
pwr_adjust = desired_pwr - estimated_pwr;
|
|
if (pwr_adjust == 0)
|
|
goto no_adjustment_needed;
|
|
|
|
/* RF attenuation delta. */
|
|
rfatt_delta = ((pwr_adjust + 7) / 8);
|
|
/* Lower attenuation => Bigger power output. Negate it. */
|
|
rfatt_delta = -rfatt_delta;
|
|
|
|
/* Baseband attenuation delta. */
|
|
bbatt_delta = pwr_adjust / 2;
|
|
/* Lower attenuation => Bigger power output. Negate it. */
|
|
bbatt_delta = -bbatt_delta;
|
|
/* RF att affects power level 4 times as much as
|
|
* Baseband attennuation. Subtract it. */
|
|
bbatt_delta -= 4 * rfatt_delta;
|
|
|
|
#if B43_DEBUG
|
|
if (b43_debug(dev, B43_DBG_XMITPOWER)) {
|
|
int dbm = pwr_adjust < 0 ? -pwr_adjust : pwr_adjust;
|
|
b43dbg(dev->wl,
|
|
"[TX power deltas] %s" Q52_FMT " dBm => "
|
|
"bbatt-delta = %d, rfatt-delta = %d\n",
|
|
(pwr_adjust < 0 ? "-" : ""), Q52_ARG(dbm),
|
|
bbatt_delta, rfatt_delta);
|
|
}
|
|
#endif /* DEBUG */
|
|
|
|
/* So do we finally need to adjust something in hardware? */
|
|
if ((rfatt_delta == 0) && (bbatt_delta == 0))
|
|
goto no_adjustment_needed;
|
|
|
|
/* Save the deltas for later when we adjust the power. */
|
|
gphy->bbatt_delta = bbatt_delta;
|
|
gphy->rfatt_delta = rfatt_delta;
|
|
|
|
/* We need to adjust the TX power on the device. */
|
|
return B43_TXPWR_RES_NEED_ADJUST;
|
|
|
|
no_adjustment_needed:
|
|
return B43_TXPWR_RES_DONE;
|
|
}
|
|
|
|
static void b43_gphy_op_pwork_15sec(struct b43_wldev *dev)
|
|
{
|
|
struct b43_phy *phy = &dev->phy;
|
|
struct b43_phy_g *gphy = phy->g;
|
|
|
|
b43_mac_suspend(dev);
|
|
//TODO: update_aci_moving_average
|
|
if (gphy->aci_enable && gphy->aci_wlan_automatic) {
|
|
if (!gphy->aci_enable && 1 /*TODO: not scanning? */ ) {
|
|
if (0 /*TODO: bunch of conditions */ ) {
|
|
phy->ops->interf_mitigation(dev,
|
|
B43_INTERFMODE_MANUALWLAN);
|
|
}
|
|
} else if (0 /*TODO*/) {
|
|
if (/*(aci_average > 1000) &&*/ !b43_gphy_aci_scan(dev))
|
|
phy->ops->interf_mitigation(dev, B43_INTERFMODE_NONE);
|
|
}
|
|
} else if (gphy->interfmode == B43_INTERFMODE_NONWLAN &&
|
|
phy->rev == 1) {
|
|
//TODO: implement rev1 workaround
|
|
}
|
|
b43_lo_g_maintanance_work(dev);
|
|
b43_mac_enable(dev);
|
|
}
|
|
|
|
static void b43_gphy_op_pwork_60sec(struct b43_wldev *dev)
|
|
{
|
|
struct b43_phy *phy = &dev->phy;
|
|
|
|
if (!(dev->dev->bus_sprom->boardflags_lo & B43_BFL_RSSI))
|
|
return;
|
|
|
|
b43_mac_suspend(dev);
|
|
b43_calc_nrssi_slope(dev);
|
|
if ((phy->radio_ver == 0x2050) && (phy->radio_rev == 8)) {
|
|
u8 old_chan = phy->channel;
|
|
|
|
/* VCO Calibration */
|
|
if (old_chan >= 8)
|
|
b43_switch_channel(dev, 1);
|
|
else
|
|
b43_switch_channel(dev, 13);
|
|
b43_switch_channel(dev, old_chan);
|
|
}
|
|
b43_mac_enable(dev);
|
|
}
|
|
|
|
const struct b43_phy_operations b43_phyops_g = {
|
|
.allocate = b43_gphy_op_allocate,
|
|
.free = b43_gphy_op_free,
|
|
.prepare_structs = b43_gphy_op_prepare_structs,
|
|
.prepare_hardware = b43_gphy_op_prepare_hardware,
|
|
.init = b43_gphy_op_init,
|
|
.exit = b43_gphy_op_exit,
|
|
.phy_read = b43_gphy_op_read,
|
|
.phy_write = b43_gphy_op_write,
|
|
.radio_read = b43_gphy_op_radio_read,
|
|
.radio_write = b43_gphy_op_radio_write,
|
|
.supports_hwpctl = b43_gphy_op_supports_hwpctl,
|
|
.software_rfkill = b43_gphy_op_software_rfkill,
|
|
.switch_analog = b43_phyop_switch_analog_generic,
|
|
.switch_channel = b43_gphy_op_switch_channel,
|
|
.get_default_chan = b43_gphy_op_get_default_chan,
|
|
.set_rx_antenna = b43_gphy_op_set_rx_antenna,
|
|
.interf_mitigation = b43_gphy_op_interf_mitigation,
|
|
.recalc_txpower = b43_gphy_op_recalc_txpower,
|
|
.adjust_txpower = b43_gphy_op_adjust_txpower,
|
|
.pwork_15sec = b43_gphy_op_pwork_15sec,
|
|
.pwork_60sec = b43_gphy_op_pwork_60sec,
|
|
};
|