1766 lines
54 KiB
C
1766 lines
54 KiB
C
/*
|
|
|
|
Broadcom BCM43xx wireless driver
|
|
|
|
Copyright (c) 2005 Martin Langer <martin-langer@gmx.de>,
|
|
Stefano Brivio <st3@riseup.net>
|
|
Michael Buesch <mbuesch@freenet.de>
|
|
Danny van Dyk <kugelfang@gentoo.org>
|
|
Andreas Jaggi <andreas.jaggi@waterwave.ch>
|
|
|
|
Some parts of the code in this file are derived from the ipw2200
|
|
driver Copyright(c) 2003 - 2004 Intel Corporation.
|
|
|
|
This program is free software; you can redistribute it and/or modify
|
|
it under the terms of the GNU General Public License as published by
|
|
the Free Software Foundation; either version 2 of the License, or
|
|
(at your option) any later version.
|
|
|
|
This program is distributed in the hope that it will be useful,
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
GNU General Public License for more details.
|
|
|
|
You should have received a copy of the GNU General Public License
|
|
along with this program; see the file COPYING. If not, write to
|
|
the Free Software Foundation, Inc., 51 Franklin Steet, Fifth Floor,
|
|
Boston, MA 02110-1301, USA.
|
|
|
|
*/
|
|
|
|
#include <linux/delay.h>
|
|
|
|
#include "bcm43xx.h"
|
|
#include "bcm43xx_main.h"
|
|
#include "bcm43xx_phy.h"
|
|
#include "bcm43xx_radio.h"
|
|
#include "bcm43xx_ilt.h"
|
|
|
|
|
|
/* Table for bcm43xx_radio_calibrationvalue() */
|
|
static const u16 rcc_table[16] = {
|
|
0x0002, 0x0003, 0x0001, 0x000F,
|
|
0x0006, 0x0007, 0x0005, 0x000F,
|
|
0x000A, 0x000B, 0x0009, 0x000F,
|
|
0x000E, 0x000F, 0x000D, 0x000F,
|
|
};
|
|
|
|
/* Reverse the bits of a 4bit value.
|
|
* Example: 1101 is flipped 1011
|
|
*/
|
|
static u16 flip_4bit(u16 value)
|
|
{
|
|
u16 flipped = 0x0000;
|
|
|
|
assert((value & ~0x000F) == 0x0000);
|
|
|
|
flipped |= (value & 0x0001) << 3;
|
|
flipped |= (value & 0x0002) << 1;
|
|
flipped |= (value & 0x0004) >> 1;
|
|
flipped |= (value & 0x0008) >> 3;
|
|
|
|
return flipped;
|
|
}
|
|
|
|
/* Get the freq, as it has to be written to the device. */
|
|
static inline
|
|
u16 channel2freq_bg(u8 channel)
|
|
{
|
|
/* Frequencies are given as frequencies_bg[index] + 2.4GHz
|
|
* Starting with channel 1
|
|
*/
|
|
static const u16 frequencies_bg[14] = {
|
|
12, 17, 22, 27,
|
|
32, 37, 42, 47,
|
|
52, 57, 62, 67,
|
|
72, 84,
|
|
};
|
|
|
|
assert(channel >= 1 && channel <= 14);
|
|
|
|
return frequencies_bg[channel - 1];
|
|
}
|
|
|
|
/* Get the freq, as it has to be written to the device. */
|
|
static inline
|
|
u16 channel2freq_a(u8 channel)
|
|
{
|
|
assert(channel <= 200);
|
|
|
|
return (5000 + 5 * channel);
|
|
}
|
|
|
|
void bcm43xx_radio_lock(struct bcm43xx_private *bcm)
|
|
{
|
|
u32 status;
|
|
|
|
status = bcm43xx_read32(bcm, BCM43xx_MMIO_STATUS_BITFIELD);
|
|
status |= BCM43xx_SBF_RADIOREG_LOCK;
|
|
bcm43xx_write32(bcm, BCM43xx_MMIO_STATUS_BITFIELD, status);
|
|
udelay(10);
|
|
}
|
|
|
|
void bcm43xx_radio_unlock(struct bcm43xx_private *bcm)
|
|
{
|
|
u32 status;
|
|
|
|
bcm43xx_read16(bcm, BCM43xx_MMIO_PHY_VER); /* dummy read */
|
|
status = bcm43xx_read32(bcm, BCM43xx_MMIO_STATUS_BITFIELD);
|
|
status &= ~BCM43xx_SBF_RADIOREG_LOCK;
|
|
bcm43xx_write32(bcm, BCM43xx_MMIO_STATUS_BITFIELD, status);
|
|
}
|
|
|
|
u16 bcm43xx_radio_read16(struct bcm43xx_private *bcm, u16 offset)
|
|
{
|
|
struct bcm43xx_phyinfo *phy = bcm->current_core->phy;
|
|
struct bcm43xx_radioinfo *radio = bcm->current_core->radio;
|
|
|
|
switch (phy->type) {
|
|
case BCM43xx_PHYTYPE_A:
|
|
offset |= 0x0040;
|
|
break;
|
|
case BCM43xx_PHYTYPE_B:
|
|
if (radio->version == 0x2053) {
|
|
if (offset < 0x70)
|
|
offset += 0x80;
|
|
else if (offset < 0x80)
|
|
offset += 0x70;
|
|
} else if (radio->version == 0x2050) {
|
|
offset |= 0x80;
|
|
} else
|
|
assert(0);
|
|
break;
|
|
case BCM43xx_PHYTYPE_G:
|
|
offset |= 0x80;
|
|
break;
|
|
}
|
|
|
|
bcm43xx_write16(bcm, BCM43xx_MMIO_RADIO_CONTROL, offset);
|
|
return bcm43xx_read16(bcm, BCM43xx_MMIO_RADIO_DATA_LOW);
|
|
}
|
|
|
|
void bcm43xx_radio_write16(struct bcm43xx_private *bcm, u16 offset, u16 val)
|
|
{
|
|
bcm43xx_write16(bcm, BCM43xx_MMIO_RADIO_CONTROL, offset);
|
|
bcm43xx_write16(bcm, BCM43xx_MMIO_RADIO_DATA_LOW, val);
|
|
}
|
|
|
|
static void bcm43xx_set_all_gains(struct bcm43xx_private *bcm,
|
|
s16 first, s16 second, s16 third)
|
|
{
|
|
struct bcm43xx_phyinfo *phy = bcm->current_core->phy;
|
|
u16 i;
|
|
u16 start = 0x08, end = 0x18;
|
|
u16 offset = 0x0400;
|
|
u16 tmp;
|
|
|
|
if (phy->rev <= 1) {
|
|
offset = 0x5000;
|
|
start = 0x10;
|
|
end = 0x20;
|
|
}
|
|
|
|
for (i = 0; i < 4; i++)
|
|
bcm43xx_ilt_write16(bcm, offset + i, first);
|
|
|
|
for (i = start; i < end; i++)
|
|
bcm43xx_ilt_write16(bcm, offset + i, second);
|
|
|
|
if (third != -1) {
|
|
tmp = ((u16)third << 14) | ((u16)third << 6);
|
|
bcm43xx_phy_write(bcm, 0x04A0,
|
|
(bcm43xx_phy_read(bcm, 0x04A0) & 0xBFBF) | tmp);
|
|
bcm43xx_phy_write(bcm, 0x04A1,
|
|
(bcm43xx_phy_read(bcm, 0x04A1) & 0xBFBF) | tmp);
|
|
bcm43xx_phy_write(bcm, 0x04A2,
|
|
(bcm43xx_phy_read(bcm, 0x04A2) & 0xBFBF) | tmp);
|
|
}
|
|
bcm43xx_dummy_transmission(bcm);
|
|
}
|
|
|
|
static void bcm43xx_set_original_gains(struct bcm43xx_private *bcm)
|
|
{
|
|
struct bcm43xx_phyinfo *phy = bcm->current_core->phy;
|
|
u16 i, tmp;
|
|
u16 offset = 0x0400;
|
|
u16 start = 0x0008, end = 0x0018;
|
|
|
|
if (phy->rev <= 1) {
|
|
offset = 0x5000;
|
|
start = 0x0010;
|
|
end = 0x0020;
|
|
}
|
|
|
|
for (i = 0; i < 4; i++) {
|
|
tmp = (i & 0xFFFC);
|
|
tmp |= (i & 0x0001) << 1;
|
|
tmp |= (i & 0x0002) >> 1;
|
|
|
|
bcm43xx_ilt_write16(bcm, offset + i, tmp);
|
|
}
|
|
|
|
for (i = start; i < end; i++)
|
|
bcm43xx_ilt_write16(bcm, offset + i, i - start);
|
|
|
|
bcm43xx_phy_write(bcm, 0x04A0,
|
|
(bcm43xx_phy_read(bcm, 0x04A0) & 0xBFBF) | 0x4040);
|
|
bcm43xx_phy_write(bcm, 0x04A1,
|
|
(bcm43xx_phy_read(bcm, 0x04A1) & 0xBFBF) | 0x4040);
|
|
bcm43xx_phy_write(bcm, 0x04A2,
|
|
(bcm43xx_phy_read(bcm, 0x04A2) & 0xBFBF) | 0x4000);
|
|
bcm43xx_dummy_transmission(bcm);
|
|
}
|
|
|
|
/* Synthetic PU workaround */
|
|
static void bcm43xx_synth_pu_workaround(struct bcm43xx_private *bcm, u8 channel)
|
|
{
|
|
struct bcm43xx_radioinfo *radio = bcm->current_core->radio;
|
|
|
|
if (radio->version != 0x2050 || radio->revision >= 6) {
|
|
/* We do not need the workaround. */
|
|
return;
|
|
}
|
|
|
|
if (channel <= 10) {
|
|
bcm43xx_write16(bcm, BCM43xx_MMIO_CHANNEL,
|
|
channel2freq_bg(channel + 4));
|
|
} else {
|
|
bcm43xx_write16(bcm, BCM43xx_MMIO_CHANNEL,
|
|
channel2freq_bg(1));
|
|
}
|
|
udelay(100);
|
|
bcm43xx_write16(bcm, BCM43xx_MMIO_CHANNEL,
|
|
channel2freq_bg(channel));
|
|
}
|
|
|
|
u8 bcm43xx_radio_aci_detect(struct bcm43xx_private *bcm, u8 channel)
|
|
{
|
|
struct bcm43xx_radioinfo *radio = bcm->current_core->radio;
|
|
u8 ret = 0;
|
|
u16 saved, rssi, temp;
|
|
int i, j = 0;
|
|
|
|
saved = bcm43xx_phy_read(bcm, 0x0403);
|
|
bcm43xx_radio_selectchannel(bcm, channel, 0);
|
|
bcm43xx_phy_write(bcm, 0x0403, (saved & 0xFFF8) | 5);
|
|
if (radio->aci_hw_rssi)
|
|
rssi = bcm43xx_phy_read(bcm, 0x048A) & 0x3F;
|
|
else
|
|
rssi = saved & 0x3F;
|
|
/* clamp temp to signed 5bit */
|
|
if (rssi > 32)
|
|
rssi -= 64;
|
|
for (i = 0;i < 100; i++) {
|
|
temp = (bcm43xx_phy_read(bcm, 0x047F) >> 8) & 0x3F;
|
|
if (temp > 32)
|
|
temp -= 64;
|
|
if (temp < rssi)
|
|
j++;
|
|
if (j >= 20)
|
|
ret = 1;
|
|
}
|
|
bcm43xx_phy_write(bcm, 0x0403, saved);
|
|
|
|
return ret;
|
|
}
|
|
|
|
u8 bcm43xx_radio_aci_scan(struct bcm43xx_private *bcm)
|
|
{
|
|
struct bcm43xx_phyinfo *phy = bcm->current_core->phy;
|
|
struct bcm43xx_radioinfo *radio = bcm->current_core->radio;
|
|
u8 ret[13];
|
|
unsigned int channel = radio->channel;
|
|
unsigned int i, j, start, end;
|
|
unsigned long phylock_flags;
|
|
|
|
if (!((phy->type == BCM43xx_PHYTYPE_G) && (phy->rev > 0)))
|
|
return 0;
|
|
|
|
bcm43xx_phy_lock(bcm, phylock_flags);
|
|
bcm43xx_radio_lock(bcm);
|
|
bcm43xx_phy_write(bcm, 0x0802,
|
|
bcm43xx_phy_read(bcm, 0x0802) & 0xFFFC);
|
|
bcm43xx_phy_write(bcm, BCM43xx_PHY_G_CRS,
|
|
bcm43xx_phy_read(bcm, BCM43xx_PHY_G_CRS) & 0x7FFF);
|
|
bcm43xx_set_all_gains(bcm, 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] = bcm43xx_radio_aci_detect(bcm, i);
|
|
}
|
|
bcm43xx_radio_selectchannel(bcm, channel, 0);
|
|
bcm43xx_phy_write(bcm, 0x0802,
|
|
(bcm43xx_phy_read(bcm, 0x0802) & 0xFFFC) | 0x0003);
|
|
bcm43xx_phy_write(bcm, 0x0403,
|
|
bcm43xx_phy_read(bcm, 0x0403) & 0xFFF8);
|
|
bcm43xx_phy_write(bcm, BCM43xx_PHY_G_CRS,
|
|
bcm43xx_phy_read(bcm, BCM43xx_PHY_G_CRS) | 0x8000);
|
|
bcm43xx_set_original_gains(bcm);
|
|
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;
|
|
}
|
|
bcm43xx_radio_unlock(bcm);
|
|
bcm43xx_phy_unlock(bcm, phylock_flags);
|
|
|
|
return ret[channel - 1];
|
|
}
|
|
|
|
/* http://bcm-specs.sipsolutions.net/NRSSILookupTable */
|
|
void bcm43xx_nrssi_hw_write(struct bcm43xx_private *bcm, u16 offset, s16 val)
|
|
{
|
|
bcm43xx_phy_write(bcm, BCM43xx_PHY_NRSSILT_CTRL, offset);
|
|
bcm43xx_phy_write(bcm, BCM43xx_PHY_NRSSILT_DATA, (u16)val);
|
|
}
|
|
|
|
/* http://bcm-specs.sipsolutions.net/NRSSILookupTable */
|
|
s16 bcm43xx_nrssi_hw_read(struct bcm43xx_private *bcm, u16 offset)
|
|
{
|
|
u16 val;
|
|
|
|
bcm43xx_phy_write(bcm, BCM43xx_PHY_NRSSILT_CTRL, offset);
|
|
val = bcm43xx_phy_read(bcm, BCM43xx_PHY_NRSSILT_DATA);
|
|
|
|
return (s16)val;
|
|
}
|
|
|
|
/* http://bcm-specs.sipsolutions.net/NRSSILookupTable */
|
|
void bcm43xx_nrssi_hw_update(struct bcm43xx_private *bcm, u16 val)
|
|
{
|
|
u16 i;
|
|
s16 tmp;
|
|
|
|
for (i = 0; i < 64; i++) {
|
|
tmp = bcm43xx_nrssi_hw_read(bcm, i);
|
|
tmp -= val;
|
|
tmp = limit_value(tmp, -32, 31);
|
|
bcm43xx_nrssi_hw_write(bcm, i, tmp);
|
|
}
|
|
}
|
|
|
|
/* http://bcm-specs.sipsolutions.net/NRSSILookupTable */
|
|
void bcm43xx_nrssi_mem_update(struct bcm43xx_private *bcm)
|
|
{
|
|
s16 i, delta;
|
|
s32 tmp;
|
|
|
|
delta = 0x1F - bcm->current_core->radio->nrssi[0];
|
|
for (i = 0; i < 64; i++) {
|
|
tmp = (i - delta) * bcm->current_core->radio->nrssislope;
|
|
tmp /= 0x10000;
|
|
tmp += 0x3A;
|
|
tmp = limit_value(tmp, 0, 0x3F);
|
|
bcm->current_core->radio->nrssi_lt[i] = tmp;
|
|
}
|
|
}
|
|
|
|
static void bcm43xx_calc_nrssi_offset(struct bcm43xx_private *bcm)
|
|
{
|
|
struct bcm43xx_phyinfo *phy = bcm->current_core->phy;
|
|
u16 backup[20] = { 0 };
|
|
s16 v47F;
|
|
u16 i;
|
|
u16 saved = 0xFFFF;
|
|
|
|
backup[0] = bcm43xx_phy_read(bcm, 0x0001);
|
|
backup[1] = bcm43xx_phy_read(bcm, 0x0811);
|
|
backup[2] = bcm43xx_phy_read(bcm, 0x0812);
|
|
backup[3] = bcm43xx_phy_read(bcm, 0x0814);
|
|
backup[4] = bcm43xx_phy_read(bcm, 0x0815);
|
|
backup[5] = bcm43xx_phy_read(bcm, 0x005A);
|
|
backup[6] = bcm43xx_phy_read(bcm, 0x0059);
|
|
backup[7] = bcm43xx_phy_read(bcm, 0x0058);
|
|
backup[8] = bcm43xx_phy_read(bcm, 0x000A);
|
|
backup[9] = bcm43xx_phy_read(bcm, 0x0003);
|
|
backup[10] = bcm43xx_radio_read16(bcm, 0x007A);
|
|
backup[11] = bcm43xx_radio_read16(bcm, 0x0043);
|
|
|
|
bcm43xx_phy_write(bcm, 0x0429,
|
|
bcm43xx_phy_read(bcm, 0x0429) & 0x7FFF);
|
|
bcm43xx_phy_write(bcm, 0x0001,
|
|
(bcm43xx_phy_read(bcm, 0x0001) & 0x3FFF) | 0x4000);
|
|
bcm43xx_phy_write(bcm, 0x0811,
|
|
bcm43xx_phy_read(bcm, 0x0811) | 0x000C);
|
|
bcm43xx_phy_write(bcm, 0x0812,
|
|
(bcm43xx_phy_read(bcm, 0x0812) & 0xFFF3) | 0x0004);
|
|
bcm43xx_phy_write(bcm, 0x0802,
|
|
bcm43xx_phy_read(bcm, 0x0802) & ~(0x1 | 0x2));
|
|
if (phy->rev >= 6) {
|
|
backup[12] = bcm43xx_phy_read(bcm, 0x002E);
|
|
backup[13] = bcm43xx_phy_read(bcm, 0x002F);
|
|
backup[14] = bcm43xx_phy_read(bcm, 0x080F);
|
|
backup[15] = bcm43xx_phy_read(bcm, 0x0810);
|
|
backup[16] = bcm43xx_phy_read(bcm, 0x0801);
|
|
backup[17] = bcm43xx_phy_read(bcm, 0x0060);
|
|
backup[18] = bcm43xx_phy_read(bcm, 0x0014);
|
|
backup[19] = bcm43xx_phy_read(bcm, 0x0478);
|
|
|
|
bcm43xx_phy_write(bcm, 0x002E, 0);
|
|
bcm43xx_phy_write(bcm, 0x002F, 0);
|
|
bcm43xx_phy_write(bcm, 0x080F, 0);
|
|
bcm43xx_phy_write(bcm, 0x0810, 0);
|
|
bcm43xx_phy_write(bcm, 0x0478,
|
|
bcm43xx_phy_read(bcm, 0x0478) | 0x0100);
|
|
bcm43xx_phy_write(bcm, 0x0801,
|
|
bcm43xx_phy_read(bcm, 0x0801) | 0x0040);
|
|
bcm43xx_phy_write(bcm, 0x0060,
|
|
bcm43xx_phy_read(bcm, 0x0060) | 0x0040);
|
|
bcm43xx_phy_write(bcm, 0x0014,
|
|
bcm43xx_phy_read(bcm, 0x0014) | 0x0200);
|
|
}
|
|
bcm43xx_radio_write16(bcm, 0x007A,
|
|
bcm43xx_radio_read16(bcm, 0x007A) | 0x0070);
|
|
bcm43xx_radio_write16(bcm, 0x007A,
|
|
bcm43xx_radio_read16(bcm, 0x007A) | 0x0080);
|
|
udelay(30);
|
|
|
|
v47F = (s16)((bcm43xx_phy_read(bcm, 0x047F) >> 8) & 0x003F);
|
|
if (v47F >= 0x20)
|
|
v47F -= 0x40;
|
|
if (v47F == 31) {
|
|
for (i = 7; i >= 4; i--) {
|
|
bcm43xx_radio_write16(bcm, 0x007B, i);
|
|
udelay(20);
|
|
v47F = (s16)((bcm43xx_phy_read(bcm, 0x047F) >> 8) & 0x003F);
|
|
if (v47F >= 0x20)
|
|
v47F -= 0x40;
|
|
if (v47F < 31 && saved == 0xFFFF)
|
|
saved = i;
|
|
}
|
|
if (saved == 0xFFFF)
|
|
saved = 4;
|
|
} else {
|
|
bcm43xx_radio_write16(bcm, 0x007A,
|
|
bcm43xx_radio_read16(bcm, 0x007A) & 0x007F);
|
|
bcm43xx_phy_write(bcm, 0x0814,
|
|
bcm43xx_phy_read(bcm, 0x0814) | 0x0001);
|
|
bcm43xx_phy_write(bcm, 0x0815,
|
|
bcm43xx_phy_read(bcm, 0x0815) & 0xFFFE);
|
|
bcm43xx_phy_write(bcm, 0x0811,
|
|
bcm43xx_phy_read(bcm, 0x0811) | 0x000C);
|
|
bcm43xx_phy_write(bcm, 0x0812,
|
|
bcm43xx_phy_read(bcm, 0x0812) | 0x000C);
|
|
bcm43xx_phy_write(bcm, 0x0811,
|
|
bcm43xx_phy_read(bcm, 0x0811) | 0x0030);
|
|
bcm43xx_phy_write(bcm, 0x0812,
|
|
bcm43xx_phy_read(bcm, 0x0812) | 0x0030);
|
|
bcm43xx_phy_write(bcm, 0x005A, 0x0480);
|
|
bcm43xx_phy_write(bcm, 0x0059, 0x0810);
|
|
bcm43xx_phy_write(bcm, 0x0058, 0x000D);
|
|
if (phy->rev == 0) {
|
|
bcm43xx_phy_write(bcm, 0x0003, 0x0122);
|
|
} else {
|
|
bcm43xx_phy_write(bcm, 0x000A,
|
|
bcm43xx_phy_read(bcm, 0x000A)
|
|
| 0x2000);
|
|
}
|
|
bcm43xx_phy_write(bcm, 0x0814,
|
|
bcm43xx_phy_read(bcm, 0x0814) | 0x0004);
|
|
bcm43xx_phy_write(bcm, 0x0815,
|
|
bcm43xx_phy_read(bcm, 0x0815) & 0xFFFB);
|
|
bcm43xx_phy_write(bcm, 0x0003,
|
|
(bcm43xx_phy_read(bcm, 0x0003) & 0xFF9F)
|
|
| 0x0040);
|
|
bcm43xx_radio_write16(bcm, 0x007A,
|
|
bcm43xx_radio_read16(bcm, 0x007A) | 0x000F);
|
|
bcm43xx_set_all_gains(bcm, 3, 0, 1);
|
|
bcm43xx_radio_write16(bcm, 0x0043,
|
|
(bcm43xx_radio_read16(bcm, 0x0043)
|
|
& 0x00F0) | 0x000F);
|
|
udelay(30);
|
|
v47F = (s16)((bcm43xx_phy_read(bcm, 0x047F) >> 8) & 0x003F);
|
|
if (v47F >= 0x20)
|
|
v47F -= 0x40;
|
|
if (v47F == -32) {
|
|
for (i = 0; i < 4; i++) {
|
|
bcm43xx_radio_write16(bcm, 0x007B, i);
|
|
udelay(20);
|
|
v47F = (s16)((bcm43xx_phy_read(bcm, 0x047F) >> 8) & 0x003F);
|
|
if (v47F >= 0x20)
|
|
v47F -= 0x40;
|
|
if (v47F > -31 && saved == 0xFFFF)
|
|
saved = i;
|
|
}
|
|
if (saved == 0xFFFF)
|
|
saved = 3;
|
|
} else
|
|
saved = 0;
|
|
}
|
|
bcm43xx_radio_write16(bcm, 0x007B, saved);
|
|
|
|
if (phy->rev >= 6) {
|
|
bcm43xx_phy_write(bcm, 0x002E, backup[12]);
|
|
bcm43xx_phy_write(bcm, 0x002F, backup[13]);
|
|
bcm43xx_phy_write(bcm, 0x080F, backup[14]);
|
|
bcm43xx_phy_write(bcm, 0x0810, backup[15]);
|
|
}
|
|
bcm43xx_phy_write(bcm, 0x0814, backup[3]);
|
|
bcm43xx_phy_write(bcm, 0x0815, backup[4]);
|
|
bcm43xx_phy_write(bcm, 0x005A, backup[5]);
|
|
bcm43xx_phy_write(bcm, 0x0059, backup[6]);
|
|
bcm43xx_phy_write(bcm, 0x0058, backup[7]);
|
|
bcm43xx_phy_write(bcm, 0x000A, backup[8]);
|
|
bcm43xx_phy_write(bcm, 0x0003, backup[9]);
|
|
bcm43xx_radio_write16(bcm, 0x0043, backup[11]);
|
|
bcm43xx_radio_write16(bcm, 0x007A, backup[10]);
|
|
bcm43xx_phy_write(bcm, 0x0802,
|
|
bcm43xx_phy_read(bcm, 0x0802) | 0x1 | 0x2);
|
|
bcm43xx_phy_write(bcm, 0x0429,
|
|
bcm43xx_phy_read(bcm, 0x0429) | 0x8000);
|
|
bcm43xx_set_original_gains(bcm);
|
|
if (phy->rev >= 6) {
|
|
bcm43xx_phy_write(bcm, 0x0801, backup[16]);
|
|
bcm43xx_phy_write(bcm, 0x0060, backup[17]);
|
|
bcm43xx_phy_write(bcm, 0x0014, backup[18]);
|
|
bcm43xx_phy_write(bcm, 0x0478, backup[19]);
|
|
}
|
|
bcm43xx_phy_write(bcm, 0x0001, backup[0]);
|
|
bcm43xx_phy_write(bcm, 0x0812, backup[2]);
|
|
bcm43xx_phy_write(bcm, 0x0811, backup[1]);
|
|
}
|
|
|
|
void bcm43xx_calc_nrssi_slope(struct bcm43xx_private *bcm)
|
|
{
|
|
struct bcm43xx_phyinfo *phy = bcm->current_core->phy;
|
|
struct bcm43xx_radioinfo *radio = bcm->current_core->radio;
|
|
u16 backup[18] = { 0 };
|
|
u16 tmp;
|
|
s16 nrssi0, nrssi1;
|
|
|
|
switch (phy->type) {
|
|
case BCM43xx_PHYTYPE_B:
|
|
backup[0] = bcm43xx_radio_read16(bcm, 0x007A);
|
|
backup[1] = bcm43xx_radio_read16(bcm, 0x0052);
|
|
backup[2] = bcm43xx_radio_read16(bcm, 0x0043);
|
|
backup[3] = bcm43xx_phy_read(bcm, 0x0030);
|
|
backup[4] = bcm43xx_phy_read(bcm, 0x0026);
|
|
backup[5] = bcm43xx_phy_read(bcm, 0x0015);
|
|
backup[6] = bcm43xx_phy_read(bcm, 0x002A);
|
|
backup[7] = bcm43xx_phy_read(bcm, 0x0020);
|
|
backup[8] = bcm43xx_phy_read(bcm, 0x005A);
|
|
backup[9] = bcm43xx_phy_read(bcm, 0x0059);
|
|
backup[10] = bcm43xx_phy_read(bcm, 0x0058);
|
|
backup[11] = bcm43xx_read16(bcm, 0x03E2);
|
|
backup[12] = bcm43xx_read16(bcm, 0x03E6);
|
|
backup[13] = bcm43xx_read16(bcm, BCM43xx_MMIO_CHANNEL_EXT);
|
|
|
|
tmp = bcm43xx_radio_read16(bcm, 0x007A);
|
|
tmp &= (phy->rev >= 5) ? 0x007F : 0x000F;
|
|
bcm43xx_radio_write16(bcm, 0x007A, tmp);
|
|
bcm43xx_phy_write(bcm, 0x0030, 0x00FF);
|
|
bcm43xx_write16(bcm, 0x03EC, 0x7F7F);
|
|
bcm43xx_phy_write(bcm, 0x0026, 0x0000);
|
|
bcm43xx_phy_write(bcm, 0x0015,
|
|
bcm43xx_phy_read(bcm, 0x0015) | 0x0020);
|
|
bcm43xx_phy_write(bcm, 0x002A, 0x08A3);
|
|
bcm43xx_radio_write16(bcm, 0x007A,
|
|
bcm43xx_radio_read16(bcm, 0x007A) | 0x0080);
|
|
|
|
nrssi0 = (s16)bcm43xx_phy_read(bcm, 0x0027);
|
|
bcm43xx_radio_write16(bcm, 0x007A,
|
|
bcm43xx_radio_read16(bcm, 0x007A) & 0x007F);
|
|
if (phy->rev >= 2) {
|
|
bcm43xx_write16(bcm, 0x03E6, 0x0040);
|
|
} else if (phy->rev == 0) {
|
|
bcm43xx_write16(bcm, 0x03E6, 0x0122);
|
|
} else {
|
|
bcm43xx_write16(bcm, BCM43xx_MMIO_CHANNEL_EXT,
|
|
bcm43xx_read16(bcm, BCM43xx_MMIO_CHANNEL_EXT) & 0x2000);
|
|
}
|
|
bcm43xx_phy_write(bcm, 0x0020, 0x3F3F);
|
|
bcm43xx_phy_write(bcm, 0x0015, 0xF330);
|
|
bcm43xx_radio_write16(bcm, 0x005A, 0x0060);
|
|
bcm43xx_radio_write16(bcm, 0x0043,
|
|
bcm43xx_radio_read16(bcm, 0x0043) & 0x00F0);
|
|
bcm43xx_phy_write(bcm, 0x005A, 0x0480);
|
|
bcm43xx_phy_write(bcm, 0x0059, 0x0810);
|
|
bcm43xx_phy_write(bcm, 0x0058, 0x000D);
|
|
udelay(20);
|
|
|
|
nrssi1 = (s16)bcm43xx_phy_read(bcm, 0x0027);
|
|
bcm43xx_phy_write(bcm, 0x0030, backup[3]);
|
|
bcm43xx_radio_write16(bcm, 0x007A, backup[0]);
|
|
bcm43xx_write16(bcm, 0x03E2, backup[11]);
|
|
bcm43xx_phy_write(bcm, 0x0026, backup[4]);
|
|
bcm43xx_phy_write(bcm, 0x0015, backup[5]);
|
|
bcm43xx_phy_write(bcm, 0x002A, backup[6]);
|
|
bcm43xx_synth_pu_workaround(bcm, radio->channel);
|
|
if (phy->rev != 0)
|
|
bcm43xx_write16(bcm, 0x03F4, backup[13]);
|
|
|
|
bcm43xx_phy_write(bcm, 0x0020, backup[7]);
|
|
bcm43xx_phy_write(bcm, 0x005A, backup[8]);
|
|
bcm43xx_phy_write(bcm, 0x0059, backup[9]);
|
|
bcm43xx_phy_write(bcm, 0x0058, backup[10]);
|
|
bcm43xx_radio_write16(bcm, 0x0052, backup[1]);
|
|
bcm43xx_radio_write16(bcm, 0x0043, backup[2]);
|
|
|
|
if (nrssi0 == nrssi1)
|
|
radio->nrssislope = 0x00010000;
|
|
else
|
|
radio->nrssislope = 0x00400000 / (nrssi0 - nrssi1);
|
|
|
|
if (nrssi0 <= -4) {
|
|
radio->nrssi[0] = nrssi0;
|
|
radio->nrssi[1] = nrssi1;
|
|
}
|
|
break;
|
|
case BCM43xx_PHYTYPE_G:
|
|
//FIXME: Something is broken here. This is called when enabling WLAN interfmode.
|
|
// If this is done at runtime, I get an XMIT ERROR and transmission is
|
|
// broken. I guess some important register is overwritten by accident.
|
|
// The XMIT ERROR comes from the dummy_transmissions in set_gains.
|
|
if (radio->revision >= 9)
|
|
return;
|
|
if (radio->revision == 8)
|
|
bcm43xx_calc_nrssi_offset(bcm);
|
|
|
|
bcm43xx_phy_write(bcm, BCM43xx_PHY_G_CRS,
|
|
bcm43xx_phy_read(bcm, BCM43xx_PHY_G_CRS) & 0x7FFF);
|
|
bcm43xx_phy_write(bcm, 0x0802,
|
|
bcm43xx_phy_read(bcm, 0x0802) & 0xFFFC);
|
|
backup[7] = bcm43xx_read16(bcm, 0x03E2);
|
|
bcm43xx_write16(bcm, 0x03E2,
|
|
bcm43xx_read16(bcm, 0x03E2) | 0x8000);
|
|
backup[0] = bcm43xx_radio_read16(bcm, 0x007A);
|
|
backup[1] = bcm43xx_radio_read16(bcm, 0x0052);
|
|
backup[2] = bcm43xx_radio_read16(bcm, 0x0043);
|
|
backup[3] = bcm43xx_phy_read(bcm, 0x0015);
|
|
backup[4] = bcm43xx_phy_read(bcm, 0x005A);
|
|
backup[5] = bcm43xx_phy_read(bcm, 0x0059);
|
|
backup[6] = bcm43xx_phy_read(bcm, 0x0058);
|
|
backup[8] = bcm43xx_read16(bcm, 0x03E6);
|
|
backup[9] = bcm43xx_read16(bcm, BCM43xx_MMIO_CHANNEL_EXT);
|
|
if (phy->rev >= 3) {
|
|
backup[10] = bcm43xx_phy_read(bcm, 0x002E);
|
|
backup[11] = bcm43xx_phy_read(bcm, 0x002F);
|
|
backup[12] = bcm43xx_phy_read(bcm, 0x080F);
|
|
backup[13] = bcm43xx_phy_read(bcm, BCM43xx_PHY_G_LO_CONTROL);
|
|
backup[14] = bcm43xx_phy_read(bcm, 0x0801);
|
|
backup[15] = bcm43xx_phy_read(bcm, 0x0060);
|
|
backup[16] = bcm43xx_phy_read(bcm, 0x0014);
|
|
backup[17] = bcm43xx_phy_read(bcm, 0x0478);
|
|
bcm43xx_phy_write(bcm, 0x002E, 0);
|
|
bcm43xx_phy_write(bcm, BCM43xx_PHY_G_LO_CONTROL, 0);
|
|
switch (phy->rev) {
|
|
case 4: case 6: case 7:
|
|
bcm43xx_phy_write(bcm, 0x0478,
|
|
bcm43xx_phy_read(bcm, 0x0478)
|
|
| 0x0100);
|
|
bcm43xx_phy_write(bcm, 0x0801,
|
|
bcm43xx_phy_read(bcm, 0x0801)
|
|
| 0x0040);
|
|
break;
|
|
case 3: case 5:
|
|
bcm43xx_phy_write(bcm, 0x0801,
|
|
bcm43xx_phy_read(bcm, 0x0801)
|
|
& 0xFFBF);
|
|
break;
|
|
}
|
|
bcm43xx_phy_write(bcm, 0x0060,
|
|
bcm43xx_phy_read(bcm, 0x0060)
|
|
| 0x0040);
|
|
bcm43xx_phy_write(bcm, 0x0014,
|
|
bcm43xx_phy_read(bcm, 0x0014)
|
|
| 0x0200);
|
|
}
|
|
bcm43xx_radio_write16(bcm, 0x007A,
|
|
bcm43xx_radio_read16(bcm, 0x007A) | 0x0070);
|
|
bcm43xx_set_all_gains(bcm, 0, 8, 0);
|
|
bcm43xx_radio_write16(bcm, 0x007A,
|
|
bcm43xx_radio_read16(bcm, 0x007A) & 0x00F7);
|
|
if (phy->rev >= 2) {
|
|
bcm43xx_phy_write(bcm, 0x0811,
|
|
(bcm43xx_phy_read(bcm, 0x0811) & 0xFFCF) | 0x0030);
|
|
bcm43xx_phy_write(bcm, 0x0812,
|
|
(bcm43xx_phy_read(bcm, 0x0812) & 0xFFCF) | 0x0010);
|
|
}
|
|
bcm43xx_radio_write16(bcm, 0x007A,
|
|
bcm43xx_radio_read16(bcm, 0x007A) | 0x0080);
|
|
udelay(20);
|
|
|
|
nrssi0 = (s16)((bcm43xx_phy_read(bcm, 0x047F) >> 8) & 0x003F);
|
|
if (nrssi0 >= 0x0020)
|
|
nrssi0 -= 0x0040;
|
|
|
|
bcm43xx_radio_write16(bcm, 0x007A,
|
|
bcm43xx_radio_read16(bcm, 0x007A) & 0x007F);
|
|
if (phy->rev >= 2) {
|
|
bcm43xx_phy_write(bcm, 0x0003,
|
|
(bcm43xx_phy_read(bcm, 0x0003)
|
|
& 0xFF9F) | 0x0040);
|
|
}
|
|
|
|
bcm43xx_write16(bcm, BCM43xx_MMIO_CHANNEL_EXT,
|
|
bcm43xx_read16(bcm, BCM43xx_MMIO_CHANNEL_EXT)
|
|
| 0x2000);
|
|
bcm43xx_radio_write16(bcm, 0x007A,
|
|
bcm43xx_radio_read16(bcm, 0x007A) | 0x000F);
|
|
bcm43xx_phy_write(bcm, 0x0015, 0xF330);
|
|
if (phy->rev >= 2) {
|
|
bcm43xx_phy_write(bcm, 0x0812,
|
|
(bcm43xx_phy_read(bcm, 0x0812) & 0xFFCF) | 0x0020);
|
|
bcm43xx_phy_write(bcm, 0x0811,
|
|
(bcm43xx_phy_read(bcm, 0x0811) & 0xFFCF) | 0x0020);
|
|
}
|
|
|
|
bcm43xx_set_all_gains(bcm, 3, 0, 1);
|
|
if (radio->revision == 8) {
|
|
bcm43xx_radio_write16(bcm, 0x0043, 0x001F);
|
|
} else {
|
|
tmp = bcm43xx_radio_read16(bcm, 0x0052) & 0xFF0F;
|
|
bcm43xx_radio_write16(bcm, 0x0052, tmp | 0x0060);
|
|
tmp = bcm43xx_radio_read16(bcm, 0x0043) & 0xFFF0;
|
|
bcm43xx_radio_write16(bcm, 0x0043, tmp | 0x0009);
|
|
}
|
|
bcm43xx_phy_write(bcm, 0x005A, 0x0480);
|
|
bcm43xx_phy_write(bcm, 0x0059, 0x0810);
|
|
bcm43xx_phy_write(bcm, 0x0058, 0x000D);
|
|
udelay(20);
|
|
nrssi1 = (s16)((bcm43xx_phy_read(bcm, 0x047F) >> 8) & 0x003F);
|
|
if (nrssi1 >= 0x0020)
|
|
nrssi1 -= 0x0040;
|
|
if (nrssi0 == nrssi1)
|
|
radio->nrssislope = 0x00010000;
|
|
else
|
|
radio->nrssislope = 0x00400000 / (nrssi0 - nrssi1);
|
|
if (nrssi0 >= -4) {
|
|
radio->nrssi[0] = nrssi1;
|
|
radio->nrssi[1] = nrssi0;
|
|
}
|
|
if (phy->rev >= 3) {
|
|
bcm43xx_phy_write(bcm, 0x002E, backup[10]);
|
|
bcm43xx_phy_write(bcm, 0x002F, backup[11]);
|
|
bcm43xx_phy_write(bcm, 0x080F, backup[12]);
|
|
bcm43xx_phy_write(bcm, BCM43xx_PHY_G_LO_CONTROL, backup[13]);
|
|
}
|
|
if (phy->rev >= 2) {
|
|
bcm43xx_phy_write(bcm, 0x0812,
|
|
bcm43xx_phy_read(bcm, 0x0812) & 0xFFCF);
|
|
bcm43xx_phy_write(bcm, 0x0811,
|
|
bcm43xx_phy_read(bcm, 0x0811) & 0xFFCF);
|
|
}
|
|
|
|
bcm43xx_radio_write16(bcm, 0x007A, backup[0]);
|
|
bcm43xx_radio_write16(bcm, 0x0052, backup[1]);
|
|
bcm43xx_radio_write16(bcm, 0x0043, backup[2]);
|
|
bcm43xx_write16(bcm, 0x03E2, backup[7]);
|
|
bcm43xx_write16(bcm, 0x03E6, backup[8]);
|
|
bcm43xx_write16(bcm, BCM43xx_MMIO_CHANNEL_EXT, backup[9]);
|
|
bcm43xx_phy_write(bcm, 0x0015, backup[3]);
|
|
bcm43xx_phy_write(bcm, 0x005A, backup[4]);
|
|
bcm43xx_phy_write(bcm, 0x0059, backup[5]);
|
|
bcm43xx_phy_write(bcm, 0x0058, backup[6]);
|
|
bcm43xx_synth_pu_workaround(bcm, radio->channel);
|
|
bcm43xx_phy_write(bcm, 0x0802,
|
|
bcm43xx_phy_read(bcm, 0x0802) | (0x0001 | 0x0002));
|
|
bcm43xx_set_original_gains(bcm);
|
|
bcm43xx_phy_write(bcm, BCM43xx_PHY_G_CRS,
|
|
bcm43xx_phy_read(bcm, BCM43xx_PHY_G_CRS) | 0x8000);
|
|
if (phy->rev >= 3) {
|
|
bcm43xx_phy_write(bcm, 0x0801, backup[14]);
|
|
bcm43xx_phy_write(bcm, 0x0060, backup[15]);
|
|
bcm43xx_phy_write(bcm, 0x0014, backup[16]);
|
|
bcm43xx_phy_write(bcm, 0x0478, backup[17]);
|
|
}
|
|
bcm43xx_nrssi_mem_update(bcm);
|
|
bcm43xx_calc_nrssi_threshold(bcm);
|
|
break;
|
|
default:
|
|
assert(0);
|
|
}
|
|
}
|
|
|
|
void bcm43xx_calc_nrssi_threshold(struct bcm43xx_private *bcm)
|
|
{
|
|
struct bcm43xx_phyinfo *phy = bcm->current_core->phy;
|
|
struct bcm43xx_radioinfo *radio = bcm->current_core->radio;
|
|
s16 threshold;
|
|
s32 a, b;
|
|
int tmp;
|
|
s16 tmp16;
|
|
u16 tmp_u16;
|
|
|
|
switch (phy->type) {
|
|
case BCM43xx_PHYTYPE_B: {
|
|
int radiotype = 0;
|
|
|
|
if (phy->rev < 2)
|
|
return;
|
|
if (radio->version != 0x2050)
|
|
return;
|
|
if (!(bcm->sprom.boardflags & BCM43xx_BFL_RSSI))
|
|
return;
|
|
|
|
tmp = radio->revision;
|
|
if ((radio->manufact == 0x175 && tmp == 5) ||
|
|
(radio->manufact == 0x17F && (tmp == 3 || tmp == 4)))
|
|
radiotype = 1;
|
|
|
|
if (radiotype == 1) {
|
|
threshold = bcm->current_core->radio->nrssi[1] - 5;
|
|
} else {
|
|
threshold = 40 * radio->nrssi[0];
|
|
threshold += 33 * (radio->nrssi[1] - radio->nrssi[0]);
|
|
threshold += 20;
|
|
threshold /= 10;
|
|
}
|
|
threshold = limit_value(threshold, 0, 0x3E);
|
|
bcm43xx_phy_read(bcm, 0x0020); /* dummy read */
|
|
bcm43xx_phy_write(bcm, 0x0020, (((u16)threshold) << 8) | 0x001C);
|
|
|
|
if (radiotype == 1) {
|
|
bcm43xx_phy_write(bcm, 0x0087, 0x0E0D);
|
|
bcm43xx_phy_write(bcm, 0x0086, 0x0C0B);
|
|
bcm43xx_phy_write(bcm, 0x0085, 0x0A09);
|
|
bcm43xx_phy_write(bcm, 0x0084, 0x0808);
|
|
bcm43xx_phy_write(bcm, 0x0083, 0x0808);
|
|
bcm43xx_phy_write(bcm, 0x0082, 0x0604);
|
|
bcm43xx_phy_write(bcm, 0x0081, 0x0302);
|
|
bcm43xx_phy_write(bcm, 0x0080, 0x0100);
|
|
}
|
|
break;
|
|
}
|
|
case BCM43xx_PHYTYPE_G:
|
|
if (!phy->connected ||
|
|
!(bcm->sprom.boardflags & BCM43xx_BFL_RSSI)) {
|
|
tmp16 = bcm43xx_nrssi_hw_read(bcm, 0x20);
|
|
if (tmp16 >= 0x20)
|
|
tmp16 -= 0x40;
|
|
if (tmp16 < 3) {
|
|
bcm43xx_phy_write(bcm, 0x048A,
|
|
(bcm43xx_phy_read(bcm, 0x048A)
|
|
& 0xF000) | 0x09EB);
|
|
} else {
|
|
bcm43xx_phy_write(bcm, 0x048A,
|
|
(bcm43xx_phy_read(bcm, 0x048A)
|
|
& 0xF000) | 0x0AED);
|
|
}
|
|
} else {
|
|
tmp = radio->interfmode;
|
|
if (tmp == BCM43xx_RADIO_INTERFMODE_NONWLAN) {
|
|
a = -13;
|
|
b = -17;
|
|
} else if (tmp == BCM43xx_RADIO_INTERFMODE_NONE &&
|
|
!radio->aci_enable) {
|
|
a = -13;
|
|
b = -10;
|
|
} else {
|
|
a = -8;
|
|
b = -9;
|
|
}
|
|
a += 0x1B;
|
|
a *= radio->nrssi[1] - radio->nrssi[0];
|
|
a += radio->nrssi[0] * 0x40;
|
|
a /= 64;
|
|
b += 0x1B;
|
|
b *= radio->nrssi[1] - radio->nrssi[0];
|
|
b += radio->nrssi[0] * 0x40;
|
|
b /= 64;
|
|
|
|
a = limit_value(a, -31, 31);
|
|
b = limit_value(b, -31, 31);
|
|
|
|
tmp_u16 = bcm43xx_phy_read(bcm, 0x048A) & 0xF000;
|
|
tmp_u16 |= ((u32)a & 0x003F);
|
|
tmp_u16 |= (((u32)b & 0x003F) << 6);
|
|
bcm43xx_phy_write(bcm, 0x048A, tmp_u16);
|
|
}
|
|
break;
|
|
default:
|
|
assert(0);
|
|
}
|
|
}
|
|
|
|
/* Helper macros to save on and restore values from the radio->interfstack */
|
|
#ifdef stack_save
|
|
# undef stack_save
|
|
#endif
|
|
#ifdef stack_restore
|
|
# undef stack_restore
|
|
#endif
|
|
#define stack_save(value) \
|
|
do { \
|
|
assert(i < ARRAY_SIZE(radio->interfstack)); \
|
|
stack[i++] = (value); \
|
|
} while (0)
|
|
|
|
#define stack_restore() \
|
|
({ \
|
|
assert(i < ARRAY_SIZE(radio->interfstack)); \
|
|
stack[i++]; \
|
|
})
|
|
|
|
static void
|
|
bcm43xx_radio_interference_mitigation_enable(struct bcm43xx_private *bcm,
|
|
int mode)
|
|
{
|
|
struct bcm43xx_phyinfo *phy = bcm->current_core->phy;
|
|
struct bcm43xx_radioinfo *radio = bcm->current_core->radio;
|
|
int i = 0;
|
|
u16 *stack = radio->interfstack;
|
|
u16 tmp, flipped;
|
|
|
|
switch (mode) {
|
|
case BCM43xx_RADIO_INTERFMODE_NONWLAN:
|
|
if (phy->rev != 1) {
|
|
bcm43xx_phy_write(bcm, 0x042B,
|
|
bcm43xx_phy_read(bcm, 0x042B) & 0x0800);
|
|
bcm43xx_phy_write(bcm, BCM43xx_PHY_G_CRS,
|
|
bcm43xx_phy_read(bcm, BCM43xx_PHY_G_CRS) & ~0x4000);
|
|
break;
|
|
}
|
|
tmp = (bcm43xx_radio_read16(bcm, 0x0078) & 0x001E);
|
|
flipped = flip_4bit(tmp);
|
|
if ((flipped >> 1) >= 4)
|
|
tmp = flipped - 3;
|
|
tmp = flip_4bit(tmp);
|
|
bcm43xx_radio_write16(bcm, 0x0078, tmp << 1);
|
|
|
|
bcm43xx_calc_nrssi_threshold(bcm);
|
|
|
|
if (bcm->current_core->rev < 5) {
|
|
stack_save(bcm43xx_phy_read(bcm, 0x0406));
|
|
bcm43xx_phy_write(bcm, 0x0406, 0x7E28);
|
|
} else {
|
|
stack_save(bcm43xx_phy_read(bcm, 0x04C0));
|
|
stack_save(bcm43xx_phy_read(bcm, 0x04C1));
|
|
bcm43xx_phy_write(bcm, 0x04C0, 0x3E04);
|
|
bcm43xx_phy_write(bcm, 0x04C1, 0x0640);
|
|
}
|
|
|
|
bcm43xx_phy_write(bcm, 0x042B,
|
|
bcm43xx_phy_read(bcm, 0x042B) | 0x0800);
|
|
bcm43xx_phy_write(bcm, BCM43xx_PHY_RADIO_BITFIELD,
|
|
bcm43xx_phy_read(bcm, BCM43xx_PHY_RADIO_BITFIELD) | 0x1000);
|
|
|
|
stack_save(bcm43xx_phy_read(bcm, 0x04A0));
|
|
bcm43xx_phy_write(bcm, 0x04A0,
|
|
(bcm43xx_phy_read(bcm, 0x04A0) & 0xC0C0) | 0x0008);
|
|
stack_save(bcm43xx_phy_read(bcm, 0x04A1));
|
|
bcm43xx_phy_write(bcm, 0x04A1,
|
|
(bcm43xx_phy_read(bcm, 0x04A1) & 0xC0C0) | 0x0605);
|
|
stack_save(bcm43xx_phy_read(bcm, 0x04A2));
|
|
bcm43xx_phy_write(bcm, 0x04A2,
|
|
(bcm43xx_phy_read(bcm, 0x04A2) & 0xC0C0) | 0x0204);
|
|
stack_save(bcm43xx_phy_read(bcm, 0x04A8));
|
|
bcm43xx_phy_write(bcm, 0x04A8,
|
|
(bcm43xx_phy_read(bcm, 0x04A8) & 0xC0C0) | 0x0403);
|
|
stack_save(bcm43xx_phy_read(bcm, 0x04AB));
|
|
bcm43xx_phy_write(bcm, 0x04AB,
|
|
(bcm43xx_phy_read(bcm, 0x04AB) & 0xC0C0) | 0x0504);
|
|
|
|
stack_save(bcm43xx_phy_read(bcm, 0x04A7));
|
|
bcm43xx_phy_write(bcm, 0x04A7, 0x0002);
|
|
stack_save(bcm43xx_phy_read(bcm, 0x04A3));
|
|
bcm43xx_phy_write(bcm, 0x04A3, 0x287A);
|
|
stack_save(bcm43xx_phy_read(bcm, 0x04A9));
|
|
bcm43xx_phy_write(bcm, 0x04A9, 0x2027);
|
|
stack_save(bcm43xx_phy_read(bcm, 0x0493));
|
|
bcm43xx_phy_write(bcm, 0x0493, 0x32F5);
|
|
stack_save(bcm43xx_phy_read(bcm, 0x04AA));
|
|
bcm43xx_phy_write(bcm, 0x04AA, 0x2027);
|
|
stack_save(bcm43xx_phy_read(bcm, 0x04AC));
|
|
bcm43xx_phy_write(bcm, 0x04AC, 0x32F5);
|
|
break;
|
|
case BCM43xx_RADIO_INTERFMODE_MANUALWLAN:
|
|
if (bcm43xx_phy_read(bcm, 0x0033) == 0x0800)
|
|
break;
|
|
|
|
radio->aci_enable = 1;
|
|
|
|
stack_save(bcm43xx_phy_read(bcm, BCM43xx_PHY_RADIO_BITFIELD));
|
|
stack_save(bcm43xx_phy_read(bcm, BCM43xx_PHY_G_CRS));
|
|
if (bcm->current_core->rev < 5) {
|
|
stack_save(bcm43xx_phy_read(bcm, 0x0406));
|
|
} else {
|
|
stack_save(bcm43xx_phy_read(bcm, 0x04C0));
|
|
stack_save(bcm43xx_phy_read(bcm, 0x04C1));
|
|
}
|
|
stack_save(bcm43xx_phy_read(bcm, 0x0033));
|
|
stack_save(bcm43xx_phy_read(bcm, 0x04A7));
|
|
stack_save(bcm43xx_phy_read(bcm, 0x04A3));
|
|
stack_save(bcm43xx_phy_read(bcm, 0x04A9));
|
|
stack_save(bcm43xx_phy_read(bcm, 0x04AA));
|
|
stack_save(bcm43xx_phy_read(bcm, 0x04AC));
|
|
stack_save(bcm43xx_phy_read(bcm, 0x0493));
|
|
stack_save(bcm43xx_phy_read(bcm, 0x04A1));
|
|
stack_save(bcm43xx_phy_read(bcm, 0x04A0));
|
|
stack_save(bcm43xx_phy_read(bcm, 0x04A2));
|
|
stack_save(bcm43xx_phy_read(bcm, 0x048A));
|
|
stack_save(bcm43xx_phy_read(bcm, 0x04A8));
|
|
stack_save(bcm43xx_phy_read(bcm, 0x04AB));
|
|
|
|
bcm43xx_phy_write(bcm, BCM43xx_PHY_RADIO_BITFIELD,
|
|
bcm43xx_phy_read(bcm, BCM43xx_PHY_RADIO_BITFIELD) & 0xEFFF);
|
|
bcm43xx_phy_write(bcm, BCM43xx_PHY_G_CRS,
|
|
(bcm43xx_phy_read(bcm, BCM43xx_PHY_G_CRS) & 0xEFFF) | 0x0002);
|
|
|
|
bcm43xx_phy_write(bcm, 0x04A7, 0x0800);
|
|
bcm43xx_phy_write(bcm, 0x04A3, 0x287A);
|
|
bcm43xx_phy_write(bcm, 0x04A9, 0x2027);
|
|
bcm43xx_phy_write(bcm, 0x0493, 0x32F5);
|
|
bcm43xx_phy_write(bcm, 0x04AA, 0x2027);
|
|
bcm43xx_phy_write(bcm, 0x04AC, 0x32F5);
|
|
|
|
bcm43xx_phy_write(bcm, 0x04A0,
|
|
(bcm43xx_phy_read(bcm, 0x04A0) & 0xFFC0) | 0x001A);
|
|
if (bcm->current_core->rev < 5) {
|
|
bcm43xx_phy_write(bcm, 0x0406, 0x280D);
|
|
} else {
|
|
bcm43xx_phy_write(bcm, 0x04C0, 0x0640);
|
|
bcm43xx_phy_write(bcm, 0x04C1, 0x00A9);
|
|
}
|
|
|
|
bcm43xx_phy_write(bcm, 0x04A1,
|
|
(bcm43xx_phy_read(bcm, 0x04A1) & 0xC0FF) | 0x1800);
|
|
bcm43xx_phy_write(bcm, 0x04A1,
|
|
(bcm43xx_phy_read(bcm, 0x04A1) & 0xFFC0) | 0x0016);
|
|
bcm43xx_phy_write(bcm, 0x04A2,
|
|
(bcm43xx_phy_read(bcm, 0x04A2) & 0xF0FF) | 0x0900);
|
|
bcm43xx_phy_write(bcm, 0x04A0,
|
|
(bcm43xx_phy_read(bcm, 0x04A0) & 0xF0FF) | 0x0700);
|
|
bcm43xx_phy_write(bcm, 0x04A2,
|
|
(bcm43xx_phy_read(bcm, 0x04A2) & 0xFFF0) | 0x000D);
|
|
bcm43xx_phy_write(bcm, 0x04A8,
|
|
(bcm43xx_phy_read(bcm, 0x04A8) & 0xCFFF) | 0x1000);
|
|
bcm43xx_phy_write(bcm, 0x04A8,
|
|
(bcm43xx_phy_read(bcm, 0x04A8) & 0xF0FF) | 0x0A00);
|
|
bcm43xx_phy_write(bcm, 0x04AB,
|
|
(bcm43xx_phy_read(bcm, 0x04AB) & 0xCFFF) | 0x1000);
|
|
bcm43xx_phy_write(bcm, 0x04AB,
|
|
(bcm43xx_phy_read(bcm, 0x04AB) & 0xF0FF) | 0x0800);
|
|
bcm43xx_phy_write(bcm, 0x04AB,
|
|
(bcm43xx_phy_read(bcm, 0x04AB) & 0xFFCF) | 0x0010);
|
|
bcm43xx_phy_write(bcm, 0x04AB,
|
|
(bcm43xx_phy_read(bcm, 0x04AB) & 0xFFF0) | 0x0006);
|
|
|
|
bcm43xx_calc_nrssi_slope(bcm);
|
|
break;
|
|
default:
|
|
assert(0);
|
|
}
|
|
}
|
|
|
|
static void
|
|
bcm43xx_radio_interference_mitigation_disable(struct bcm43xx_private *bcm,
|
|
int mode)
|
|
{
|
|
struct bcm43xx_phyinfo *phy = bcm->current_core->phy;
|
|
struct bcm43xx_radioinfo *radio = bcm->current_core->radio;
|
|
int i = 0;
|
|
u16 *stack = radio->interfstack;
|
|
u16 tmp, flipped;
|
|
|
|
switch (mode) {
|
|
case BCM43xx_RADIO_INTERFMODE_NONWLAN:
|
|
if (phy->rev != 1) {
|
|
bcm43xx_phy_write(bcm, 0x042B,
|
|
bcm43xx_phy_read(bcm, 0x042B) & ~0x0800);
|
|
bcm43xx_phy_write(bcm, BCM43xx_PHY_G_CRS,
|
|
bcm43xx_phy_read(bcm, BCM43xx_PHY_G_CRS) & 0x4000);
|
|
break;
|
|
}
|
|
tmp = (bcm43xx_radio_read16(bcm, 0x0078) & 0x001E);
|
|
flipped = flip_4bit(tmp);
|
|
if ((flipped >> 1) >= 0x000C)
|
|
tmp = flipped + 3;
|
|
tmp = flip_4bit(tmp);
|
|
bcm43xx_radio_write16(bcm, 0x0078, tmp << 1);
|
|
|
|
bcm43xx_calc_nrssi_threshold(bcm);
|
|
|
|
if (bcm->current_core->rev < 5) {
|
|
bcm43xx_phy_write(bcm, 0x0406, stack_restore());
|
|
} else {
|
|
bcm43xx_phy_write(bcm, 0x04C0, stack_restore());
|
|
bcm43xx_phy_write(bcm, 0x04C1, stack_restore());
|
|
}
|
|
bcm43xx_phy_write(bcm, 0x042B,
|
|
bcm43xx_phy_read(bcm, 0x042B) & ~0x0800);
|
|
|
|
if (!bcm->bad_frames_preempt)
|
|
bcm43xx_phy_write(bcm, BCM43xx_PHY_RADIO_BITFIELD,
|
|
bcm43xx_phy_read(bcm, BCM43xx_PHY_RADIO_BITFIELD) & ~(1 << 11));
|
|
bcm43xx_phy_write(bcm, BCM43xx_PHY_G_CRS,
|
|
bcm43xx_phy_read(bcm, BCM43xx_PHY_G_CRS) & 0x4000);
|
|
bcm43xx_phy_write(bcm, 0x04A0, stack_restore());
|
|
bcm43xx_phy_write(bcm, 0x04A1, stack_restore());
|
|
bcm43xx_phy_write(bcm, 0x04A2, stack_restore());
|
|
bcm43xx_phy_write(bcm, 0x04A8, stack_restore());
|
|
bcm43xx_phy_write(bcm, 0x04AB, stack_restore());
|
|
bcm43xx_phy_write(bcm, 0x04A7, stack_restore());
|
|
bcm43xx_phy_write(bcm, 0x04A3, stack_restore());
|
|
bcm43xx_phy_write(bcm, 0x04A9, stack_restore());
|
|
bcm43xx_phy_write(bcm, 0x0493, stack_restore());
|
|
bcm43xx_phy_write(bcm, 0x04AA, stack_restore());
|
|
bcm43xx_phy_write(bcm, 0x04AC, stack_restore());
|
|
break;
|
|
case BCM43xx_RADIO_INTERFMODE_MANUALWLAN:
|
|
if (bcm43xx_phy_read(bcm, 0x0033) != 0x0800)
|
|
break;
|
|
|
|
radio->aci_enable = 0;
|
|
|
|
bcm43xx_phy_write(bcm, BCM43xx_PHY_RADIO_BITFIELD, stack_restore());
|
|
bcm43xx_phy_write(bcm, BCM43xx_PHY_G_CRS, stack_restore());
|
|
if (bcm->current_core->rev < 5) {
|
|
bcm43xx_phy_write(bcm, 0x0406, stack_restore());
|
|
} else {
|
|
bcm43xx_phy_write(bcm, 0x04C0, stack_restore());
|
|
bcm43xx_phy_write(bcm, 0x04C1, stack_restore());
|
|
}
|
|
bcm43xx_phy_write(bcm, 0x0033, stack_restore());
|
|
bcm43xx_phy_write(bcm, 0x04A7, stack_restore());
|
|
bcm43xx_phy_write(bcm, 0x04A3, stack_restore());
|
|
bcm43xx_phy_write(bcm, 0x04A9, stack_restore());
|
|
bcm43xx_phy_write(bcm, 0x04AA, stack_restore());
|
|
bcm43xx_phy_write(bcm, 0x04AC, stack_restore());
|
|
bcm43xx_phy_write(bcm, 0x0493, stack_restore());
|
|
bcm43xx_phy_write(bcm, 0x04A1, stack_restore());
|
|
bcm43xx_phy_write(bcm, 0x04A0, stack_restore());
|
|
bcm43xx_phy_write(bcm, 0x04A2, stack_restore());
|
|
bcm43xx_phy_write(bcm, 0x04A8, stack_restore());
|
|
bcm43xx_phy_write(bcm, 0x04AB, stack_restore());
|
|
|
|
bcm43xx_calc_nrssi_slope(bcm);
|
|
break;
|
|
default:
|
|
assert(0);
|
|
}
|
|
}
|
|
|
|
#undef stack_save
|
|
#undef stack_restore
|
|
|
|
int bcm43xx_radio_set_interference_mitigation(struct bcm43xx_private *bcm,
|
|
int mode)
|
|
{
|
|
struct bcm43xx_phyinfo *phy = bcm->current_core->phy;
|
|
struct bcm43xx_radioinfo *radio = bcm->current_core->radio;
|
|
int currentmode;
|
|
|
|
if ((phy->type != BCM43xx_PHYTYPE_G) ||
|
|
(phy->rev == 0) ||
|
|
(!phy->connected))
|
|
return -ENODEV;
|
|
|
|
radio->aci_wlan_automatic = 0;
|
|
switch (mode) {
|
|
case BCM43xx_RADIO_INTERFMODE_AUTOWLAN:
|
|
radio->aci_wlan_automatic = 1;
|
|
if (radio->aci_enable)
|
|
mode = BCM43xx_RADIO_INTERFMODE_MANUALWLAN;
|
|
else
|
|
mode = BCM43xx_RADIO_INTERFMODE_NONE;
|
|
break;
|
|
case BCM43xx_RADIO_INTERFMODE_NONE:
|
|
case BCM43xx_RADIO_INTERFMODE_NONWLAN:
|
|
case BCM43xx_RADIO_INTERFMODE_MANUALWLAN:
|
|
break;
|
|
default:
|
|
return -EINVAL;
|
|
}
|
|
|
|
currentmode = radio->interfmode;
|
|
if (currentmode == mode)
|
|
return 0;
|
|
if (currentmode != BCM43xx_RADIO_INTERFMODE_NONE)
|
|
bcm43xx_radio_interference_mitigation_disable(bcm, currentmode);
|
|
|
|
if (mode == BCM43xx_RADIO_INTERFMODE_NONE) {
|
|
radio->aci_enable = 0;
|
|
radio->aci_hw_rssi = 0;
|
|
} else
|
|
bcm43xx_radio_interference_mitigation_enable(bcm, mode);
|
|
radio->interfmode = mode;
|
|
|
|
return 0;
|
|
}
|
|
|
|
u16 bcm43xx_radio_calibrationvalue(struct bcm43xx_private *bcm)
|
|
{
|
|
u16 reg, index, ret;
|
|
|
|
reg = bcm43xx_radio_read16(bcm, 0x0060);
|
|
index = (reg & 0x001E) >> 1;
|
|
ret = rcc_table[index] << 1;
|
|
ret |= (reg & 0x0001);
|
|
ret |= 0x0020;
|
|
|
|
return ret;
|
|
}
|
|
|
|
u16 bcm43xx_radio_init2050(struct bcm43xx_private *bcm)
|
|
{
|
|
struct bcm43xx_phyinfo *phy = bcm->current_core->phy;
|
|
struct bcm43xx_radioinfo *radio = bcm->current_core->radio;
|
|
u16 backup[19] = { 0 };
|
|
u16 ret;
|
|
u16 i, j;
|
|
u32 tmp1 = 0, tmp2 = 0;
|
|
|
|
backup[0] = bcm43xx_radio_read16(bcm, 0x0043);
|
|
backup[14] = bcm43xx_radio_read16(bcm, 0x0051);
|
|
backup[15] = bcm43xx_radio_read16(bcm, 0x0052);
|
|
backup[1] = bcm43xx_phy_read(bcm, 0x0015);
|
|
backup[16] = bcm43xx_phy_read(bcm, 0x005A);
|
|
backup[17] = bcm43xx_phy_read(bcm, 0x0059);
|
|
backup[18] = bcm43xx_phy_read(bcm, 0x0058);
|
|
if (phy->type == BCM43xx_PHYTYPE_B) {
|
|
backup[2] = bcm43xx_phy_read(bcm, 0x0030);
|
|
backup[3] = bcm43xx_read16(bcm, 0x03EC);
|
|
bcm43xx_phy_write(bcm, 0x0030, 0x00FF);
|
|
bcm43xx_write16(bcm, 0x03EC, 0x3F3F);
|
|
} else {
|
|
if (phy->connected) {
|
|
backup[4] = bcm43xx_phy_read(bcm, 0x0811);
|
|
backup[5] = bcm43xx_phy_read(bcm, 0x0812);
|
|
backup[6] = bcm43xx_phy_read(bcm, 0x0814);
|
|
backup[7] = bcm43xx_phy_read(bcm, 0x0815);
|
|
backup[8] = bcm43xx_phy_read(bcm, BCM43xx_PHY_G_CRS);
|
|
backup[9] = bcm43xx_phy_read(bcm, 0x0802);
|
|
bcm43xx_phy_write(bcm, 0x0814,
|
|
(bcm43xx_phy_read(bcm, 0x0814) | 0x0003));
|
|
bcm43xx_phy_write(bcm, 0x0815,
|
|
(bcm43xx_phy_read(bcm, 0x0815) & 0xFFFC));
|
|
bcm43xx_phy_write(bcm, BCM43xx_PHY_G_CRS,
|
|
(bcm43xx_phy_read(bcm, BCM43xx_PHY_G_CRS) & 0x7FFF));
|
|
bcm43xx_phy_write(bcm, 0x0802,
|
|
(bcm43xx_phy_read(bcm, 0x0802) & 0xFFFC));
|
|
bcm43xx_phy_write(bcm, 0x0811, 0x01B3);
|
|
bcm43xx_phy_write(bcm, 0x0812, 0x0FB2);
|
|
}
|
|
bcm43xx_write16(bcm, BCM43xx_MMIO_PHY_RADIO,
|
|
(bcm43xx_read16(bcm, BCM43xx_MMIO_PHY_RADIO) | 0x8000));
|
|
}
|
|
backup[10] = bcm43xx_phy_read(bcm, 0x0035);
|
|
bcm43xx_phy_write(bcm, 0x0035,
|
|
(bcm43xx_phy_read(bcm, 0x0035) & 0xFF7F));
|
|
backup[11] = bcm43xx_read16(bcm, 0x03E6);
|
|
backup[12] = bcm43xx_read16(bcm, BCM43xx_MMIO_CHANNEL_EXT);
|
|
|
|
// Initialization
|
|
if (phy->version == 0) {
|
|
bcm43xx_write16(bcm, 0x03E6, 0x0122);
|
|
} else {
|
|
if (phy->version >= 2)
|
|
bcm43xx_write16(bcm, 0x03E6, 0x0040);
|
|
bcm43xx_write16(bcm, BCM43xx_MMIO_CHANNEL_EXT,
|
|
(bcm43xx_read16(bcm, BCM43xx_MMIO_CHANNEL_EXT) | 0x2000));
|
|
}
|
|
|
|
ret = bcm43xx_radio_calibrationvalue(bcm);
|
|
|
|
if (phy->type == BCM43xx_PHYTYPE_B)
|
|
bcm43xx_radio_write16(bcm, 0x0078, 0x0003);
|
|
|
|
bcm43xx_phy_write(bcm, 0x0015, 0xBFAF);
|
|
bcm43xx_phy_write(bcm, 0x002B, 0x1403);
|
|
if (phy->connected)
|
|
bcm43xx_phy_write(bcm, 0x0812, 0x00B2);
|
|
bcm43xx_phy_write(bcm, 0x0015, 0xBFA0);
|
|
bcm43xx_radio_write16(bcm, 0x0051,
|
|
(bcm43xx_radio_read16(bcm, 0x0051) | 0x0004));
|
|
bcm43xx_radio_write16(bcm, 0x0052, 0x0000);
|
|
bcm43xx_radio_write16(bcm, 0x0043,
|
|
bcm43xx_radio_read16(bcm, 0x0043) | 0x0009);
|
|
bcm43xx_phy_write(bcm, 0x0058, 0x0000);
|
|
|
|
for (i = 0; i < 16; i++) {
|
|
bcm43xx_phy_write(bcm, 0x005A, 0x0480);
|
|
bcm43xx_phy_write(bcm, 0x0059, 0xC810);
|
|
bcm43xx_phy_write(bcm, 0x0058, 0x000D);
|
|
if (phy->connected)
|
|
bcm43xx_phy_write(bcm, 0x0812, 0x30B2);
|
|
bcm43xx_phy_write(bcm, 0x0015, 0xAFB0);
|
|
udelay(10);
|
|
if (phy->connected)
|
|
bcm43xx_phy_write(bcm, 0x0812, 0x30B2);
|
|
bcm43xx_phy_write(bcm, 0x0015, 0xEFB0);
|
|
udelay(10);
|
|
if (phy->connected)
|
|
bcm43xx_phy_write(bcm, 0x0812, 0x30B2);
|
|
bcm43xx_phy_write(bcm, 0x0015, 0xFFF0);
|
|
udelay(10);
|
|
tmp1 += bcm43xx_phy_read(bcm, 0x002D);
|
|
bcm43xx_phy_write(bcm, 0x0058, 0x0000);
|
|
if (phy->connected)
|
|
bcm43xx_phy_write(bcm, 0x0812, 0x30B2);
|
|
bcm43xx_phy_write(bcm, 0x0015, 0xAFB0);
|
|
}
|
|
|
|
tmp1++;
|
|
tmp1 >>= 9;
|
|
udelay(10);
|
|
bcm43xx_phy_write(bcm, 0x0058, 0x0000);
|
|
|
|
for (i = 0; i < 16; i++) {
|
|
bcm43xx_radio_write16(bcm, 0x0078, (flip_4bit(i) << 1) | 0x0020);
|
|
backup[13] = bcm43xx_radio_read16(bcm, 0x0078);
|
|
udelay(10);
|
|
for (j = 0; j < 16; j++) {
|
|
bcm43xx_phy_write(bcm, 0x005A, 0x0D80);
|
|
bcm43xx_phy_write(bcm, 0x0059, 0xC810);
|
|
bcm43xx_phy_write(bcm, 0x0058, 0x000D);
|
|
if (phy->connected)
|
|
bcm43xx_phy_write(bcm, 0x0812, 0x30B2);
|
|
bcm43xx_phy_write(bcm, 0x0015, 0xAFB0);
|
|
udelay(10);
|
|
if (phy->connected)
|
|
bcm43xx_phy_write(bcm, 0x0812, 0x30B2);
|
|
bcm43xx_phy_write(bcm, 0x0015, 0xEFB0);
|
|
udelay(10);
|
|
if (phy->connected)
|
|
bcm43xx_phy_write(bcm, 0x0812, 0x30B3); /* 0x30B3 is not a typo */
|
|
bcm43xx_phy_write(bcm, 0x0015, 0xFFF0);
|
|
udelay(10);
|
|
tmp2 += bcm43xx_phy_read(bcm, 0x002D);
|
|
bcm43xx_phy_write(bcm, 0x0058, 0x0000);
|
|
if (phy->connected)
|
|
bcm43xx_phy_write(bcm, 0x0812, 0x30B2);
|
|
bcm43xx_phy_write(bcm, 0x0015, 0xAFB0);
|
|
}
|
|
tmp2++;
|
|
tmp2 >>= 8;
|
|
if (tmp1 < tmp2)
|
|
break;
|
|
}
|
|
|
|
/* Restore the registers */
|
|
bcm43xx_phy_write(bcm, 0x0015, backup[1]);
|
|
bcm43xx_radio_write16(bcm, 0x0051, backup[14]);
|
|
bcm43xx_radio_write16(bcm, 0x0052, backup[15]);
|
|
bcm43xx_radio_write16(bcm, 0x0043, backup[0]);
|
|
bcm43xx_phy_write(bcm, 0x005A, backup[16]);
|
|
bcm43xx_phy_write(bcm, 0x0059, backup[17]);
|
|
bcm43xx_phy_write(bcm, 0x0058, backup[18]);
|
|
bcm43xx_write16(bcm, 0x03E6, backup[11]);
|
|
if (phy->version != 0)
|
|
bcm43xx_write16(bcm, BCM43xx_MMIO_CHANNEL_EXT, backup[12]);
|
|
bcm43xx_phy_write(bcm, 0x0035, backup[10]);
|
|
bcm43xx_radio_selectchannel(bcm, radio->channel, 1);
|
|
if (phy->type == BCM43xx_PHYTYPE_B) {
|
|
bcm43xx_phy_write(bcm, 0x0030, backup[2]);
|
|
bcm43xx_write16(bcm, 0x03EC, backup[3]);
|
|
} else {
|
|
bcm43xx_write16(bcm, BCM43xx_MMIO_PHY_RADIO,
|
|
(bcm43xx_read16(bcm, BCM43xx_MMIO_PHY_RADIO) & 0x7FFF));
|
|
if (phy->connected) {
|
|
bcm43xx_phy_write(bcm, 0x0811, backup[4]);
|
|
bcm43xx_phy_write(bcm, 0x0812, backup[5]);
|
|
bcm43xx_phy_write(bcm, 0x0814, backup[6]);
|
|
bcm43xx_phy_write(bcm, 0x0815, backup[7]);
|
|
bcm43xx_phy_write(bcm, BCM43xx_PHY_G_CRS, backup[8]);
|
|
bcm43xx_phy_write(bcm, 0x0802, backup[9]);
|
|
}
|
|
}
|
|
if (i >= 15)
|
|
ret = backup[13];
|
|
|
|
return ret;
|
|
}
|
|
|
|
void bcm43xx_radio_init2060(struct bcm43xx_private *bcm)
|
|
{
|
|
int err;
|
|
|
|
bcm43xx_radio_write16(bcm, 0x0004, 0x00C0);
|
|
bcm43xx_radio_write16(bcm, 0x0005, 0x0008);
|
|
bcm43xx_radio_write16(bcm, 0x0009, 0x0040);
|
|
bcm43xx_radio_write16(bcm, 0x0005, 0x00AA);
|
|
bcm43xx_radio_write16(bcm, 0x0032, 0x008F);
|
|
bcm43xx_radio_write16(bcm, 0x0006, 0x008F);
|
|
bcm43xx_radio_write16(bcm, 0x0034, 0x008F);
|
|
bcm43xx_radio_write16(bcm, 0x002C, 0x0007);
|
|
bcm43xx_radio_write16(bcm, 0x0082, 0x0080);
|
|
bcm43xx_radio_write16(bcm, 0x0080, 0x0000);
|
|
bcm43xx_radio_write16(bcm, 0x003F, 0x00DA);
|
|
bcm43xx_radio_write16(bcm, 0x0005, bcm43xx_radio_read16(bcm, 0x0005) & ~0x0008);
|
|
bcm43xx_radio_write16(bcm, 0x0081, bcm43xx_radio_read16(bcm, 0x0081) & ~0x0010);
|
|
bcm43xx_radio_write16(bcm, 0x0081, bcm43xx_radio_read16(bcm, 0x0081) & ~0x0020);
|
|
bcm43xx_radio_write16(bcm, 0x0081, bcm43xx_radio_read16(bcm, 0x0081) & ~0x0020);
|
|
udelay(400);
|
|
|
|
bcm43xx_radio_write16(bcm, 0x0081, (bcm43xx_radio_read16(bcm, 0x0081) & ~0x0020) | 0x0010);
|
|
udelay(400);
|
|
|
|
bcm43xx_radio_write16(bcm, 0x0005, (bcm43xx_radio_read16(bcm, 0x0005) & ~0x0008) | 0x0008);
|
|
bcm43xx_radio_write16(bcm, 0x0085, bcm43xx_radio_read16(bcm, 0x0085) & ~0x0010);
|
|
bcm43xx_radio_write16(bcm, 0x0005, bcm43xx_radio_read16(bcm, 0x0005) & ~0x0008);
|
|
bcm43xx_radio_write16(bcm, 0x0081, bcm43xx_radio_read16(bcm, 0x0081) & ~0x0040);
|
|
bcm43xx_radio_write16(bcm, 0x0081, (bcm43xx_radio_read16(bcm, 0x0081) & ~0x0040) | 0x0040);
|
|
bcm43xx_radio_write16(bcm, 0x0005, (bcm43xx_radio_read16(bcm, 0x0081) & ~0x0008) | 0x0008);
|
|
bcm43xx_phy_write(bcm, 0x0063, 0xDDC6);
|
|
bcm43xx_phy_write(bcm, 0x0069, 0x07BE);
|
|
bcm43xx_phy_write(bcm, 0x006A, 0x0000);
|
|
|
|
err = bcm43xx_radio_selectchannel(bcm, BCM43xx_RADIO_DEFAULT_CHANNEL_A, 0);
|
|
assert(err == 0);
|
|
udelay(1000);
|
|
}
|
|
|
|
static inline
|
|
u16 freq_r3A_value(u16 frequency)
|
|
{
|
|
u16 value;
|
|
|
|
if (frequency < 5091)
|
|
value = 0x0040;
|
|
else if (frequency < 5321)
|
|
value = 0x0000;
|
|
else if (frequency < 5806)
|
|
value = 0x0080;
|
|
else
|
|
value = 0x0040;
|
|
|
|
return value;
|
|
}
|
|
|
|
void bcm43xx_radio_set_tx_iq(struct bcm43xx_private *bcm)
|
|
{
|
|
static const u8 data_high[5] = { 0x00, 0x40, 0x80, 0x90, 0xD0 };
|
|
static const u8 data_low[5] = { 0x00, 0x01, 0x05, 0x06, 0x0A };
|
|
u16 tmp = bcm43xx_radio_read16(bcm, 0x001E);
|
|
int i, j;
|
|
|
|
for (i = 0; i < 5; i++) {
|
|
for (j = 0; j < 5; j++) {
|
|
if (tmp == (data_high[i] << 4 | data_low[j])) {
|
|
bcm43xx_phy_write(bcm, 0x0069, (i - j) << 8 | 0x00C0);
|
|
return;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
int bcm43xx_radio_selectchannel(struct bcm43xx_private *bcm,
|
|
u8 channel,
|
|
int synthetic_pu_workaround)
|
|
{
|
|
struct bcm43xx_radioinfo *radio = bcm->current_core->radio;
|
|
u16 r8, tmp;
|
|
u16 freq;
|
|
|
|
if ((radio->manufact == 0x17F) &&
|
|
(radio->version == 0x2060) &&
|
|
(radio->revision == 1)) {
|
|
if (channel > 200)
|
|
return -EINVAL;
|
|
freq = channel2freq_a(channel);
|
|
|
|
r8 = bcm43xx_radio_read16(bcm, 0x0008);
|
|
bcm43xx_write16(bcm, 0x03F0, freq);
|
|
bcm43xx_radio_write16(bcm, 0x0008, r8);
|
|
|
|
TODO();//TODO: write max channel TX power? to Radio 0x2D
|
|
tmp = bcm43xx_radio_read16(bcm, 0x002E);
|
|
tmp &= 0x0080;
|
|
TODO();//TODO: OR tmp with the Power out estimation for this channel?
|
|
bcm43xx_radio_write16(bcm, 0x002E, tmp);
|
|
|
|
if (freq >= 4920 && freq <= 5500) {
|
|
/*
|
|
* r8 = (((freq * 15 * 0xE1FC780F) >> 32) / 29) & 0x0F;
|
|
* = (freq * 0.025862069
|
|
*/
|
|
r8 = 3 * freq / 116; /* is equal to r8 = freq * 0.025862 */
|
|
}
|
|
bcm43xx_radio_write16(bcm, 0x0007, (r8 << 4) | r8);
|
|
bcm43xx_radio_write16(bcm, 0x0020, (r8 << 4) | r8);
|
|
bcm43xx_radio_write16(bcm, 0x0021, (r8 << 4) | r8);
|
|
bcm43xx_radio_write16(bcm, 0x0022,
|
|
(bcm43xx_radio_read16(bcm, 0x0022)
|
|
& 0x000F) | (r8 << 4));
|
|
bcm43xx_radio_write16(bcm, 0x002A, (r8 << 4));
|
|
bcm43xx_radio_write16(bcm, 0x002B, (r8 << 4));
|
|
bcm43xx_radio_write16(bcm, 0x0008,
|
|
(bcm43xx_radio_read16(bcm, 0x0008)
|
|
& 0x00F0) | (r8 << 4));
|
|
bcm43xx_radio_write16(bcm, 0x0029,
|
|
(bcm43xx_radio_read16(bcm, 0x0029)
|
|
& 0xFF0F) | 0x00B0);
|
|
bcm43xx_radio_write16(bcm, 0x0035, 0x00AA);
|
|
bcm43xx_radio_write16(bcm, 0x0036, 0x0085);
|
|
bcm43xx_radio_write16(bcm, 0x003A,
|
|
(bcm43xx_radio_read16(bcm, 0x003A)
|
|
& 0xFF20) | freq_r3A_value(freq));
|
|
bcm43xx_radio_write16(bcm, 0x003D,
|
|
bcm43xx_radio_read16(bcm, 0x003D) & 0x00FF);
|
|
bcm43xx_radio_write16(bcm, 0x0081,
|
|
(bcm43xx_radio_read16(bcm, 0x0081)
|
|
& 0xFF7F) | 0x0080);
|
|
bcm43xx_radio_write16(bcm, 0x0035,
|
|
bcm43xx_radio_read16(bcm, 0x0035) & 0xFFEF);
|
|
bcm43xx_radio_write16(bcm, 0x0035,
|
|
(bcm43xx_radio_read16(bcm, 0x0035)
|
|
& 0xFFEF) | 0x0010);
|
|
bcm43xx_radio_set_tx_iq(bcm);
|
|
TODO(); //TODO: TSSI2dbm workaround
|
|
bcm43xx_phy_xmitpower(bcm);//FIXME correct?
|
|
} else {
|
|
if ((channel < 1) || (channel > 14))
|
|
return -EINVAL;
|
|
|
|
if (synthetic_pu_workaround)
|
|
bcm43xx_synth_pu_workaround(bcm, channel);
|
|
|
|
bcm43xx_write16(bcm, BCM43xx_MMIO_CHANNEL,
|
|
channel2freq_bg(channel));
|
|
|
|
if (channel == 14) {
|
|
if (bcm->sprom.locale == BCM43xx_LOCALE_JAPAN) {
|
|
bcm43xx_shm_write32(bcm, BCM43xx_SHM_SHARED,
|
|
BCM43xx_UCODEFLAGS_OFFSET,
|
|
bcm43xx_shm_read32(bcm, BCM43xx_SHM_SHARED,
|
|
BCM43xx_UCODEFLAGS_OFFSET)
|
|
& ~(1 << 7));
|
|
} else {
|
|
bcm43xx_shm_write32(bcm, BCM43xx_SHM_SHARED,
|
|
BCM43xx_UCODEFLAGS_OFFSET,
|
|
bcm43xx_shm_read32(bcm, BCM43xx_SHM_SHARED,
|
|
BCM43xx_UCODEFLAGS_OFFSET)
|
|
| (1 << 7));
|
|
}
|
|
bcm43xx_write16(bcm, BCM43xx_MMIO_CHANNEL_EXT,
|
|
bcm43xx_read16(bcm, BCM43xx_MMIO_CHANNEL_EXT)
|
|
| (1 << 11));
|
|
} else {
|
|
bcm43xx_write16(bcm, BCM43xx_MMIO_CHANNEL_EXT,
|
|
bcm43xx_read16(bcm, BCM43xx_MMIO_CHANNEL_EXT)
|
|
& 0xF7BF);
|
|
}
|
|
}
|
|
|
|
radio->channel = channel;
|
|
//XXX: Using the longer of 2 timeouts (8000 vs 2000 usecs). Specs states
|
|
// that 2000 usecs might suffice.
|
|
udelay(8000);
|
|
|
|
return 0;
|
|
}
|
|
|
|
void bcm43xx_radio_set_txantenna(struct bcm43xx_private *bcm, u32 val)
|
|
{
|
|
u16 tmp;
|
|
|
|
val <<= 8;
|
|
tmp = bcm43xx_shm_read16(bcm, BCM43xx_SHM_SHARED, 0x0022) & 0xFCFF;
|
|
bcm43xx_shm_write16(bcm, BCM43xx_SHM_SHARED, 0x0022, tmp | val);
|
|
tmp = bcm43xx_shm_read16(bcm, BCM43xx_SHM_SHARED, 0x03A8) & 0xFCFF;
|
|
bcm43xx_shm_write16(bcm, BCM43xx_SHM_SHARED, 0x03A8, tmp | val);
|
|
tmp = bcm43xx_shm_read16(bcm, BCM43xx_SHM_SHARED, 0x0054) & 0xFCFF;
|
|
bcm43xx_shm_write16(bcm, BCM43xx_SHM_SHARED, 0x0054, tmp | val);
|
|
}
|
|
|
|
/* http://bcm-specs.sipsolutions.net/TX_Gain_Base_Band */
|
|
static u16 bcm43xx_get_txgain_base_band(u16 txpower)
|
|
{
|
|
u16 ret;
|
|
|
|
assert(txpower <= 63);
|
|
|
|
if (txpower >= 54)
|
|
ret = 2;
|
|
else if (txpower >= 49)
|
|
ret = 4;
|
|
else if (txpower >= 44)
|
|
ret = 5;
|
|
else
|
|
ret = 6;
|
|
|
|
return ret;
|
|
}
|
|
|
|
/* http://bcm-specs.sipsolutions.net/TX_Gain_Radio_Frequency_Power_Amplifier */
|
|
static u16 bcm43xx_get_txgain_freq_power_amp(u16 txpower)
|
|
{
|
|
u16 ret;
|
|
|
|
assert(txpower <= 63);
|
|
|
|
if (txpower >= 32)
|
|
ret = 0;
|
|
else if (txpower >= 25)
|
|
ret = 1;
|
|
else if (txpower >= 20)
|
|
ret = 2;
|
|
else if (txpower >= 12)
|
|
ret = 3;
|
|
else
|
|
ret = 4;
|
|
|
|
return ret;
|
|
}
|
|
|
|
/* http://bcm-specs.sipsolutions.net/TX_Gain_Digital_Analog_Converter */
|
|
static u16 bcm43xx_get_txgain_dac(u16 txpower)
|
|
{
|
|
u16 ret;
|
|
|
|
assert(txpower <= 63);
|
|
|
|
if (txpower >= 54)
|
|
ret = txpower - 53;
|
|
else if (txpower >= 49)
|
|
ret = txpower - 42;
|
|
else if (txpower >= 44)
|
|
ret = txpower - 37;
|
|
else if (txpower >= 32)
|
|
ret = txpower - 32;
|
|
else if (txpower >= 25)
|
|
ret = txpower - 20;
|
|
else if (txpower >= 20)
|
|
ret = txpower - 13;
|
|
else if (txpower >= 12)
|
|
ret = txpower - 8;
|
|
else
|
|
ret = txpower;
|
|
|
|
return ret;
|
|
}
|
|
|
|
void bcm43xx_radio_set_txpower_a(struct bcm43xx_private *bcm, u16 txpower)
|
|
{
|
|
u16 pamp, base, dac, ilt;
|
|
|
|
txpower = limit_value(txpower, 0, 63);
|
|
|
|
pamp = bcm43xx_get_txgain_freq_power_amp(txpower);
|
|
pamp <<= 5;
|
|
pamp &= 0x00E0;
|
|
bcm43xx_phy_write(bcm, 0x0019, pamp);
|
|
|
|
base = bcm43xx_get_txgain_base_band(txpower);
|
|
base &= 0x000F;
|
|
bcm43xx_phy_write(bcm, 0x0017, base | 0x0020);
|
|
|
|
ilt = bcm43xx_ilt_read16(bcm, 0x3001);
|
|
ilt &= 0x0007;
|
|
|
|
dac = bcm43xx_get_txgain_dac(txpower);
|
|
dac <<= 3;
|
|
dac |= ilt;
|
|
|
|
bcm43xx_ilt_write16(bcm, 0x3001, dac);
|
|
|
|
bcm->current_core->radio->txpower[0] = txpower;
|
|
|
|
TODO();
|
|
//TODO: FuncPlaceholder (Adjust BB loft cancel)
|
|
}
|
|
|
|
void bcm43xx_radio_set_txpower_bg(struct bcm43xx_private *bcm,
|
|
u16 baseband_attenuation, u16 radio_attenuation,
|
|
u16 txpower)
|
|
{
|
|
struct bcm43xx_radioinfo *radio = bcm->current_core->radio;
|
|
struct bcm43xx_phyinfo *phy = bcm->current_core->phy;
|
|
|
|
if (baseband_attenuation == 0xFFFF)
|
|
baseband_attenuation = radio->txpower[0];
|
|
else
|
|
radio->txpower[0] = baseband_attenuation;
|
|
if (radio_attenuation == 0xFFFF)
|
|
radio_attenuation = radio->txpower[1];
|
|
else
|
|
radio->txpower[1] = radio_attenuation;
|
|
if (txpower == 0xFFFF)
|
|
txpower = radio->txpower[2];
|
|
else
|
|
radio->txpower[2] = txpower;
|
|
|
|
assert(/*baseband_attenuation >= 0 &&*/ baseband_attenuation <= 11);
|
|
if (radio->revision < 6)
|
|
assert(/*radio_attenuation >= 0 &&*/ radio_attenuation <= 9);
|
|
else
|
|
assert(/* radio_attenuation >= 0 &&*/ radio_attenuation <= 31);
|
|
assert(/*txpower >= 0 &&*/ txpower <= 7);
|
|
|
|
bcm43xx_phy_set_baseband_attenuation(bcm, baseband_attenuation);
|
|
bcm43xx_radio_write16(bcm, 0x0043, radio_attenuation);
|
|
bcm43xx_shm_write16(bcm, BCM43xx_SHM_SHARED, 0x0064, radio_attenuation);
|
|
if (radio->version == 0x2050) {
|
|
bcm43xx_radio_write16(bcm, 0x0052,
|
|
(bcm43xx_radio_read16(bcm, 0x0052) & 0xFF8F)
|
|
| (txpower << 4));
|
|
}
|
|
if (phy->type == BCM43xx_PHYTYPE_G)
|
|
bcm43xx_phy_lo_adjust(bcm, 0);
|
|
}
|
|
|
|
|
|
void bcm43xx_radio_turn_on(struct bcm43xx_private *bcm)
|
|
{
|
|
struct bcm43xx_phyinfo *phy = bcm->current_core->phy;
|
|
struct bcm43xx_radioinfo *radio = bcm->current_core->radio;
|
|
int err;
|
|
|
|
if (radio->enabled)
|
|
return;
|
|
|
|
switch (phy->type) {
|
|
case BCM43xx_PHYTYPE_A:
|
|
bcm43xx_radio_write16(bcm, 0x0004, 0x00C0);
|
|
bcm43xx_radio_write16(bcm, 0x0005, 0x0008);
|
|
bcm43xx_phy_write(bcm, 0x0010, bcm43xx_phy_read(bcm, 0x0010) & 0xFFF7);
|
|
bcm43xx_phy_write(bcm, 0x0011, bcm43xx_phy_read(bcm, 0x0011) & 0xFFF7);
|
|
bcm43xx_radio_init2060(bcm);
|
|
break;
|
|
case BCM43xx_PHYTYPE_B:
|
|
case BCM43xx_PHYTYPE_G:
|
|
bcm43xx_phy_write(bcm, 0x0015, 0x8000);
|
|
bcm43xx_phy_write(bcm, 0x0015, 0xCC00);
|
|
bcm43xx_phy_write(bcm, 0x0015, (phy->connected ? 0x00C0 : 0x0000));
|
|
err = bcm43xx_radio_selectchannel(bcm, BCM43xx_RADIO_DEFAULT_CHANNEL_BG, 1);
|
|
assert(err == 0);
|
|
break;
|
|
default:
|
|
assert(0);
|
|
}
|
|
radio->enabled = 1;
|
|
dprintk(KERN_INFO PFX "Radio turned on\n");
|
|
}
|
|
|
|
void bcm43xx_radio_turn_off(struct bcm43xx_private *bcm)
|
|
{
|
|
struct bcm43xx_phyinfo *phy = bcm->current_core->phy;
|
|
struct bcm43xx_radioinfo *radio = bcm->current_core->radio;
|
|
|
|
if (phy->type == BCM43xx_PHYTYPE_A) {
|
|
bcm43xx_radio_write16(bcm, 0x0004, 0x00FF);
|
|
bcm43xx_radio_write16(bcm, 0x0005, 0x00FB);
|
|
bcm43xx_phy_write(bcm, 0x0010, bcm43xx_phy_read(bcm, 0x0010) | 0x0008);
|
|
bcm43xx_phy_write(bcm, 0x0011, bcm43xx_phy_read(bcm, 0x0011) | 0x0008);
|
|
}
|
|
if (phy->type == BCM43xx_PHYTYPE_G && bcm->current_core->rev >= 5) {
|
|
bcm43xx_phy_write(bcm, 0x0811, bcm43xx_phy_read(bcm, 0x0811) | 0x008C);
|
|
bcm43xx_phy_write(bcm, 0x0812, bcm43xx_phy_read(bcm, 0x0812) & 0xFF73);
|
|
} else
|
|
bcm43xx_phy_write(bcm, 0x0015, 0xAA00);
|
|
radio->enabled = 0;
|
|
dprintk(KERN_INFO PFX "Radio turned off\n");
|
|
}
|
|
|
|
void bcm43xx_radio_clear_tssi(struct bcm43xx_private *bcm)
|
|
{
|
|
switch (bcm->current_core->phy->type) {
|
|
case BCM43xx_PHYTYPE_A:
|
|
bcm43xx_shm_write16(bcm, BCM43xx_SHM_SHARED, 0x0068, 0x7F7F);
|
|
bcm43xx_shm_write16(bcm, BCM43xx_SHM_SHARED, 0x006a, 0x7F7F);
|
|
break;
|
|
case BCM43xx_PHYTYPE_B:
|
|
case BCM43xx_PHYTYPE_G:
|
|
bcm43xx_shm_write16(bcm, BCM43xx_SHM_SHARED, 0x0058, 0x7F7F);
|
|
bcm43xx_shm_write16(bcm, BCM43xx_SHM_SHARED, 0x005a, 0x7F7F);
|
|
bcm43xx_shm_write16(bcm, BCM43xx_SHM_SHARED, 0x0070, 0x7F7F);
|
|
bcm43xx_shm_write16(bcm, BCM43xx_SHM_SHARED, 0x0072, 0x7F7F);
|
|
break;
|
|
}
|
|
}
|