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Diffstat (limited to 'drivers/net/wireless/bcm43xx/bcm43xx_radio.c')
-rw-r--r--drivers/net/wireless/bcm43xx/bcm43xx_radio.c2170
1 files changed, 0 insertions, 2170 deletions
diff --git a/drivers/net/wireless/bcm43xx/bcm43xx_radio.c b/drivers/net/wireless/bcm43xx/bcm43xx_radio.c
deleted file mode 100644
index c605099c9ba..00000000000
--- a/drivers/net/wireless/bcm43xx/bcm43xx_radio.c
+++ /dev/null
@@ -1,2170 +0,0 @@
-/*
-
- 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);
- mmiowb();
- 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);
- mmiowb();
-}
-
-u16 bcm43xx_radio_read16(struct bcm43xx_private *bcm, u16 offset)
-{
- struct bcm43xx_phyinfo *phy = bcm43xx_current_phy(bcm);
- struct bcm43xx_radioinfo *radio = bcm43xx_current_radio(bcm);
-
- 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);
- mmiowb();
- 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 = bcm43xx_current_phy(bcm);
- 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_write(bcm, offset + i, first);
-
- for (i = start; i < end; i++)
- bcm43xx_ilt_write(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 = bcm43xx_current_phy(bcm);
- 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_write(bcm, offset + i, tmp);
- }
-
- for (i = start; i < end; i++)
- bcm43xx_ilt_write(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 = bcm43xx_current_radio(bcm);
-
- 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 = bcm43xx_current_radio(bcm);
- 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 = bcm43xx_current_phy(bcm);
- struct bcm43xx_radioinfo *radio = bcm43xx_current_radio(bcm);
- 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);
- mmiowb();
- 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)
-{
- struct bcm43xx_radioinfo *radio = bcm43xx_current_radio(bcm);
- s16 i, delta;
- s32 tmp;
-
- delta = 0x1F - radio->nrssi[0];
- for (i = 0; i < 64; i++) {
- tmp = (i - delta) * radio->nrssislope;
- tmp /= 0x10000;
- tmp += 0x3A;
- tmp = limit_value(tmp, 0, 0x3F);
- radio->nrssi_lt[i] = tmp;
- }
-}
-
-static void bcm43xx_calc_nrssi_offset(struct bcm43xx_private *bcm)
-{
- struct bcm43xx_phyinfo *phy = bcm43xx_current_phy(bcm);
- 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->analog == 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 = bcm43xx_current_phy(bcm);
- struct bcm43xx_radioinfo *radio = bcm43xx_current_radio(bcm);
- 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->analog >= 2) {
- bcm43xx_write16(bcm, 0x03E6, 0x0040);
- } else if (phy->analog == 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->analog != 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:
- 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->analog >= 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 = bcm43xx_current_phy(bcm);
- struct bcm43xx_radioinfo *radio = bcm43xx_current_radio(bcm);
- s32 threshold;
- s32 a, b;
- s16 tmp16;
- u16 tmp_u16;
-
- switch (phy->type) {
- case BCM43xx_PHYTYPE_B: {
- if (radio->version != 0x2050)
- return;
- if (!(bcm->sprom.boardflags & BCM43xx_BFL_RSSI))
- return;
-
- if (radio->revision >= 6) {
- threshold = (radio->nrssi[1] - radio->nrssi[0]) * 32;
- threshold += 20 * (radio->nrssi[0] + 1);
- threshold /= 40;
- } else
- threshold = radio->nrssi[1] - 5;
-
- threshold = limit_value(threshold, 0, 0x3E);
- bcm43xx_phy_read(bcm, 0x0020); /* dummy read */
- bcm43xx_phy_write(bcm, 0x0020, (((u16)threshold) << 8) | 0x001C);
-
- if (radio->revision >= 6) {
- 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 {
- if (radio->interfmode == BCM43xx_RADIO_INTERFMODE_NONWLAN) {
- a = 0xE;
- b = 0xA;
- } else if (!radio->aci_wlan_automatic && radio->aci_enable) {
- a = 0x13;
- b = 0x12;
- } else {
- a = 0xE;
- b = 0x11;
- }
-
- a = a * (radio->nrssi[1] - radio->nrssi[0]);
- a += (radio->nrssi[0] << 6);
- if (a < 32)
- a += 31;
- else
- a += 32;
- a = a >> 6;
- a = limit_value(a, -31, 31);
-
- b = b * (radio->nrssi[1] - radio->nrssi[0]);
- b += (radio->nrssi[0] << 6);
- if (b < 32)
- b += 31;
- else
- b += 32;
- b = b >> 6;
- b = limit_value(b, -31, 31);
-
- tmp_u16 = bcm43xx_phy_read(bcm, 0x048A) & 0xF000;
- tmp_u16 |= ((u32)b & 0x0000003F);
- tmp_u16 |= (((u32)a & 0x0000003F) << 6);
- bcm43xx_phy_write(bcm, 0x048A, tmp_u16);
- }
- break;
- default:
- assert(0);
- }
-}
-
-/* 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]);
-
- assert((offset & 0xE000) == 0x0000);
- assert((id & 0xF8) == 0x00);
- *stackptr = offset;
- *stackptr |= ((u32)id) << 13;
- *stackptr |= ((u32)value) << 16;
- (*stackidx)++;
- assert(*stackidx < BCM43xx_INTERFSTACK_SIZE);
-}
-
-static u16 _stack_restore(u32 *stackptr,
- u8 id, u16 offset)
-{
- size_t i;
-
- assert((offset & 0xE000) == 0x0000);
- assert((id & 0xF8) == 0x00);
- for (i = 0; i < BCM43xx_INTERFSTACK_SIZE; i++, stackptr++) {
- if ((*stackptr & 0x00001FFF) != offset)
- continue;
- if (((*stackptr & 0x00007000) >> 13) != id)
- continue;
- return ((*stackptr & 0xFFFF0000) >> 16);
- }
- assert(0);
-
- return 0;
-}
-
-#define phy_stacksave(offset) \
- do { \
- _stack_save(stack, &stackidx, 0x1, (offset), \
- bcm43xx_phy_read(bcm, (offset))); \
- } while (0)
-#define phy_stackrestore(offset) \
- do { \
- bcm43xx_phy_write(bcm, (offset), \
- _stack_restore(stack, 0x1, \
- (offset))); \
- } while (0)
-#define radio_stacksave(offset) \
- do { \
- _stack_save(stack, &stackidx, 0x2, (offset), \
- bcm43xx_radio_read16(bcm, (offset))); \
- } while (0)
-#define radio_stackrestore(offset) \
- do { \
- bcm43xx_radio_write16(bcm, (offset), \
- _stack_restore(stack, 0x2, \
- (offset))); \
- } while (0)
-#define ilt_stacksave(offset) \
- do { \
- _stack_save(stack, &stackidx, 0x3, (offset), \
- bcm43xx_ilt_read(bcm, (offset))); \
- } while (0)
-#define ilt_stackrestore(offset) \
- do { \
- bcm43xx_ilt_write(bcm, (offset), \
- _stack_restore(stack, 0x3, \
- (offset))); \
- } while (0)
-
-static void
-bcm43xx_radio_interference_mitigation_enable(struct bcm43xx_private *bcm,
- int mode)
-{
- struct bcm43xx_phyinfo *phy = bcm43xx_current_phy(bcm);
- struct bcm43xx_radioinfo *radio = bcm43xx_current_radio(bcm);
- u16 tmp, flipped;
- u32 tmp32;
- size_t stackidx = 0;
- u32 *stack = radio->interfstack;
-
- 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;
- }
- radio_stacksave(0x0078);
- tmp = (bcm43xx_radio_read16(bcm, 0x0078) & 0x001E);
- flipped = flip_4bit(tmp);
- if (flipped < 10 && flipped >= 8)
- flipped = 7;
- else if (flipped >= 10)
- flipped -= 3;
- flipped = flip_4bit(flipped);
- flipped = (flipped << 1) | 0x0020;
- bcm43xx_radio_write16(bcm, 0x0078, flipped);
-
- bcm43xx_calc_nrssi_threshold(bcm);
-
- phy_stacksave(0x0406);
- bcm43xx_phy_write(bcm, 0x0406, 0x7E28);
-
- 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);
-
- phy_stacksave(0x04A0);
- bcm43xx_phy_write(bcm, 0x04A0,
- (bcm43xx_phy_read(bcm, 0x04A0) & 0xC0C0) | 0x0008);
- phy_stacksave(0x04A1);
- bcm43xx_phy_write(bcm, 0x04A1,
- (bcm43xx_phy_read(bcm, 0x04A1) & 0xC0C0) | 0x0605);
- phy_stacksave(0x04A2);
- bcm43xx_phy_write(bcm, 0x04A2,
- (bcm43xx_phy_read(bcm, 0x04A2) & 0xC0C0) | 0x0204);
- phy_stacksave(0x04A8);
- bcm43xx_phy_write(bcm, 0x04A8,
- (bcm43xx_phy_read(bcm, 0x04A8) & 0xC0C0) | 0x0803);
- phy_stacksave(0x04AB);
- bcm43xx_phy_write(bcm, 0x04AB,
- (bcm43xx_phy_read(bcm, 0x04AB) & 0xC0C0) | 0x0605);
-
- phy_stacksave(0x04A7);
- bcm43xx_phy_write(bcm, 0x04A7, 0x0002);
- phy_stacksave(0x04A3);
- bcm43xx_phy_write(bcm, 0x04A3, 0x287A);
- phy_stacksave(0x04A9);
- bcm43xx_phy_write(bcm, 0x04A9, 0x2027);
- phy_stacksave(0x0493);
- bcm43xx_phy_write(bcm, 0x0493, 0x32F5);
- phy_stacksave(0x04AA);
- bcm43xx_phy_write(bcm, 0x04AA, 0x2027);
- phy_stacksave(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;
-
- phy_stacksave(BCM43xx_PHY_RADIO_BITFIELD);
- phy_stacksave(BCM43xx_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);
- ilt_stacksave(0x1A00 + 0x2);
- ilt_stacksave(0x1A00 + 0x3);
- }
- phy_stacksave(0x042B);
- phy_stacksave(0x048C);
-
- bcm43xx_phy_write(bcm, BCM43xx_PHY_RADIO_BITFIELD,
- bcm43xx_phy_read(bcm, BCM43xx_PHY_RADIO_BITFIELD)
- & ~0x1000);
- bcm43xx_phy_write(bcm, BCM43xx_PHY_G_CRS,
- (bcm43xx_phy_read(bcm, BCM43xx_PHY_G_CRS)
- & 0xFFFC) | 0x0002);
-
- bcm43xx_phy_write(bcm, 0x0033, 0x0800);
- bcm43xx_phy_write(bcm, 0x04A3, 0x2027);
- bcm43xx_phy_write(bcm, 0x04A9, 0x1CA8);
- bcm43xx_phy_write(bcm, 0x0493, 0x287A);
- bcm43xx_phy_write(bcm, 0x04AA, 0x1CA8);
- bcm43xx_phy_write(bcm, 0x04AC, 0x287A);
-
- bcm43xx_phy_write(bcm, 0x04A0,
- (bcm43xx_phy_read(bcm, 0x04A0)
- & 0xFFC0) | 0x001A);
- bcm43xx_phy_write(bcm, 0x04A7, 0x000D);
-
- if (phy->rev < 2) {
- bcm43xx_phy_write(bcm, 0x0406, 0xFF0D);
- } else if (phy->rev == 2) {
- bcm43xx_phy_write(bcm, 0x04C0, 0xFFFF);
- bcm43xx_phy_write(bcm, 0x04C1, 0x00A9);
- } else {
- bcm43xx_phy_write(bcm, 0x04C0, 0x00C1);
- bcm43xx_phy_write(bcm, 0x04C1, 0x0059);
- }
-
- bcm43xx_phy_write(bcm, 0x04A1,
- (bcm43xx_phy_read(bcm, 0x04A1)
- & 0xC0FF) | 0x1800);
- bcm43xx_phy_write(bcm, 0x04A1,
- (bcm43xx_phy_read(bcm, 0x04A1)
- & 0xFFC0) | 0x0015);
- 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) | 0x0005);
- bcm43xx_phy_write(bcm, 0x04A8,
- (bcm43xx_phy_read(bcm, 0x04A8)
- & 0xFFCF) | 0x0010);
- bcm43xx_phy_write(bcm, 0x04A8,
- (bcm43xx_phy_read(bcm, 0x04A8)
- & 0xFFF0) | 0x0006);
- bcm43xx_phy_write(bcm, 0x04A2,
- (bcm43xx_phy_read(bcm, 0x04A2)
- & 0xF0FF) | 0x0800);
- bcm43xx_phy_write(bcm, 0x04A0,
- (bcm43xx_phy_read(bcm, 0x04A0)
- & 0xF0FF) | 0x0500);
- bcm43xx_phy_write(bcm, 0x04A2,
- (bcm43xx_phy_read(bcm, 0x04A2)
- & 0xFFF0) | 0x000B);
-
- if (phy->rev >= 3) {
- bcm43xx_phy_write(bcm, 0x048A,
- bcm43xx_phy_read(bcm, 0x048A)
- & ~0x8000);
- bcm43xx_phy_write(bcm, 0x0415,
- (bcm43xx_phy_read(bcm, 0x0415)
- & 0x8000) | 0x36D8);
- bcm43xx_phy_write(bcm, 0x0416,
- (bcm43xx_phy_read(bcm, 0x0416)
- & 0x8000) | 0x36D8);
- bcm43xx_phy_write(bcm, 0x0417,
- (bcm43xx_phy_read(bcm, 0x0417)
- & 0xFE00) | 0x016D);
- } else {
- bcm43xx_phy_write(bcm, 0x048A,
- bcm43xx_phy_read(bcm, 0x048A)
- | 0x1000);
- bcm43xx_phy_write(bcm, 0x048A,
- (bcm43xx_phy_read(bcm, 0x048A)
- & 0x9FFF) | 0x2000);
- tmp32 = bcm43xx_shm_read32(bcm, BCM43xx_SHM_SHARED,
- BCM43xx_UCODEFLAGS_OFFSET);
- if (!(tmp32 & 0x800)) {
- tmp32 |= 0x800;
- bcm43xx_shm_write32(bcm, BCM43xx_SHM_SHARED,
- BCM43xx_UCODEFLAGS_OFFSET,
- tmp32);
- }
- }
- if (phy->rev >= 2) {
- bcm43xx_phy_write(bcm, 0x042B,
- bcm43xx_phy_read(bcm, 0x042B)
- | 0x0800);
- }
- bcm43xx_phy_write(bcm, 0x048C,
- (bcm43xx_phy_read(bcm, 0x048C)
- & 0xF0FF) | 0x0200);
- if (phy->rev == 2) {
- bcm43xx_phy_write(bcm, 0x04AE,
- (bcm43xx_phy_read(bcm, 0x04AE)
- & 0xFF00) | 0x007F);
- bcm43xx_phy_write(bcm, 0x04AD,
- (bcm43xx_phy_read(bcm, 0x04AD)
- & 0x00FF) | 0x1300);
- } else if (phy->rev >= 6) {
- bcm43xx_ilt_write(bcm, 0x1A00 + 0x3, 0x007F);
- bcm43xx_ilt_write(bcm, 0x1A00 + 0x2, 0x007F);
- bcm43xx_phy_write(bcm, 0x04AD,
- bcm43xx_phy_read(bcm, 0x04AD)
- & 0x00FF);
- }
- 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 = bcm43xx_current_phy(bcm);
- struct bcm43xx_radioinfo *radio = bcm43xx_current_radio(bcm);
- u32 tmp32;
- u32 *stack = radio->interfstack;
-
- 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;
- }
- phy_stackrestore(0x0078);
- bcm43xx_calc_nrssi_threshold(bcm);
- phy_stackrestore(0x0406);
- 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);
- 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 BCM43xx_RADIO_INTERFMODE_MANUALWLAN:
- if (!(bcm43xx_phy_read(bcm, 0x0033) & 0x0800))
- break;
-
- radio->aci_enable = 0;
-
- phy_stackrestore(BCM43xx_PHY_RADIO_BITFIELD);
- phy_stackrestore(BCM43xx_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);
- ilt_stackrestore(0x1A00 + 0x2);
- ilt_stackrestore(0x1A00 + 0x3);
- }
- phy_stackrestore(0x04A2);
- phy_stackrestore(0x04A8);
- phy_stackrestore(0x042B);
- phy_stackrestore(0x048C);
- tmp32 = bcm43xx_shm_read32(bcm, BCM43xx_SHM_SHARED,
- BCM43xx_UCODEFLAGS_OFFSET);
- if (tmp32 & 0x800) {
- tmp32 &= ~0x800;
- bcm43xx_shm_write32(bcm, BCM43xx_SHM_SHARED,
- BCM43xx_UCODEFLAGS_OFFSET,
- tmp32);
- }
- bcm43xx_calc_nrssi_slope(bcm);
- break;
- default:
- assert(0);
- }
-}
-
-#undef phy_stacksave
-#undef phy_stackrestore
-#undef radio_stacksave
-#undef radio_stackrestore
-#undef ilt_stacksave
-#undef ilt_stackrestore
-
-int bcm43xx_radio_set_interference_mitigation(struct bcm43xx_private *bcm,
- int mode)
-{
- struct bcm43xx_phyinfo *phy = bcm43xx_current_phy(bcm);
- struct bcm43xx_radioinfo *radio = bcm43xx_current_radio(bcm);
- 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;
-}
-
-#define LPD(L, P, D) (((L) << 2) | ((P) << 1) | ((D) << 0))
-static u16 bcm43xx_get_812_value(struct bcm43xx_private *bcm, u8 lpd)
-{
- struct bcm43xx_phyinfo *phy = bcm43xx_current_phy(bcm);
- struct bcm43xx_radioinfo *radio = bcm43xx_current_radio(bcm);
- u16 loop_or = 0;
- u16 adj_loopback_gain = phy->loopback_gain[0];
- u8 loop;
- u16 extern_lna_control;
-
- if (!phy->connected)
- return 0;
- if (!has_loopback_gain(phy)) {
- if (phy->rev < 7 || !(bcm->sprom.boardflags
- & BCM43xx_BFL_EXTLNA)) {
- 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;
- default:
- assert(0);
- }
- } else {
- 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;
- default:
- assert(0);
- }
- }
- } else {
- if (radio->revision == 8)
- adj_loopback_gain += 0x003E;
- else
- adj_loopback_gain += 0x0026;
- if (adj_loopback_gain >= 0x46) {
- adj_loopback_gain -= 0x46;
- extern_lna_control = 0x3000;
- } else if (adj_loopback_gain >= 0x3A) {
- adj_loopback_gain -= 0x3A;
- extern_lna_control = 0x2000;
- } else if (adj_loopback_gain >= 0x2E) {
- adj_loopback_gain -= 0x2E;
- extern_lna_control = 0x1000;
- } else {
- adj_loopback_gain -= 0x10;
- extern_lna_control = 0x0000;
- }
- for (loop = 0; loop < 16; loop++) {
- u16 tmp = adj_loopback_gain - 6 * loop;
- if (tmp < 6)
- break;
- }
-
- loop_or = (loop << 8) | extern_lna_control;
- if (phy->rev >= 7 && bcm->sprom.boardflags
- & BCM43xx_BFL_EXTLNA) {
- if (extern_lna_control)
- loop_or |= 0x8000;
- switch (lpd) {
- case LPD(0, 1, 1):
- return 0x8F92;
- case LPD(0, 0, 1):
- return (0x8092 | loop_or);
- case LPD(1, 0, 1):
- return (0x2092 | loop_or);
- case LPD(1, 0, 0):
- return (0x2093 | loop_or);
- default:
- assert(0);
- }
- } else {
- switch (lpd) {
- case LPD(0, 1, 1):
- return 0x0F92;
- case LPD(0, 0, 1):
- case LPD(1, 0, 1):
- return (0x0092 | loop_or);
- case LPD(1, 0, 0):
- return (0x0093 | loop_or);
- default:
- assert(0);
- }
- }
- }
- return 0;
-}
-
-u16 bcm43xx_radio_init2050(struct bcm43xx_private *bcm)
-{
- struct bcm43xx_phyinfo *phy = bcm43xx_current_phy(bcm);
- struct bcm43xx_radioinfo *radio = bcm43xx_current_radio(bcm);
- u16 backup[21] = { 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));
- if (phy->rev > 1) { /* loopback gain enabled */
- backup[19] = bcm43xx_phy_read(bcm, 0x080F);
- backup[20] = bcm43xx_phy_read(bcm, 0x0810);
- if (phy->rev >= 3)
- bcm43xx_phy_write(bcm, 0x080F, 0xC020);
- else
- bcm43xx_phy_write(bcm, 0x080F, 0x8020);
- bcm43xx_phy_write(bcm, 0x0810, 0x0000);
- }
- bcm43xx_phy_write(bcm, 0x0812,
- bcm43xx_get_812_value(bcm, LPD(0, 1, 1)));
- if (phy->rev < 7 || !(bcm->sprom.boardflags
- & BCM43xx_BFL_EXTLNA))
- bcm43xx_phy_write(bcm, 0x0811, 0x01B3);
- else
- bcm43xx_phy_write(bcm, 0x0811, 0x09B3);
- }
- }
- 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->analog == 0) {
- bcm43xx_write16(bcm, 0x03E6, 0x0122);
- } else {
- if (phy->analog >= 2)
- bcm43xx_phy_write(bcm, 0x0003,
- (bcm43xx_phy_read(bcm, 0x0003)
- & 0xFFBF) | 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, 0x0026);
-
- if (phy->connected)
- bcm43xx_phy_write(bcm, 0x0812,
- bcm43xx_get_812_value(bcm, LPD(0, 1, 1)));
- bcm43xx_phy_write(bcm, 0x0015, 0xBFAF);
- bcm43xx_phy_write(bcm, 0x002B, 0x1403);
- if (phy->connected)
- bcm43xx_phy_write(bcm, 0x0812,
- bcm43xx_get_812_value(bcm, LPD(0, 0, 1)));
- bcm43xx_phy_write(bcm, 0x0015, 0xBFA0);
- bcm43xx_radio_write16(bcm, 0x0051,
- (bcm43xx_radio_read16(bcm, 0x0051) | 0x0004));
- if (radio->revision == 8)
- bcm43xx_radio_write16(bcm, 0x0043, 0x001F);
- else {
- bcm43xx_radio_write16(bcm, 0x0052, 0x0000);
- bcm43xx_radio_write16(bcm, 0x0043,
- (bcm43xx_radio_read16(bcm, 0x0043) & 0xFFF0)
- | 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,
- bcm43xx_get_812_value(bcm, LPD(1, 0, 1)));
- bcm43xx_phy_write(bcm, 0x0015, 0xAFB0);
- udelay(10);
- if (phy->connected)
- bcm43xx_phy_write(bcm, 0x0812,
- bcm43xx_get_812_value(bcm, LPD(1, 0, 1)));
- bcm43xx_phy_write(bcm, 0x0015, 0xEFB0);
- udelay(10);
- if (phy->connected)
- bcm43xx_phy_write(bcm, 0x0812,
- bcm43xx_get_812_value(bcm, LPD(1, 0, 0)));
- bcm43xx_phy_write(bcm, 0x0015, 0xFFF0);
- udelay(20);
- tmp1 += bcm43xx_phy_read(bcm, 0x002D);
- bcm43xx_phy_write(bcm, 0x0058, 0x0000);
- if (phy->connected)
- bcm43xx_phy_write(bcm, 0x0812,
- bcm43xx_get_812_value(bcm, LPD(1, 0, 1)));
- 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,
- bcm43xx_get_812_value(bcm,
- LPD(1, 0, 1)));
- bcm43xx_phy_write(bcm, 0x0015, 0xAFB0);
- udelay(10);
- if (phy->connected)
- bcm43xx_phy_write(bcm, 0x0812,
- bcm43xx_get_812_value(bcm,
- LPD(1, 0, 1)));
- bcm43xx_phy_write(bcm, 0x0015, 0xEFB0);
- udelay(10);
- if (phy->connected)
- bcm43xx_phy_write(bcm, 0x0812,
- bcm43xx_get_812_value(bcm,
- LPD(1, 0, 0)));
- 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,
- bcm43xx_get_812_value(bcm,
- LPD(1, 0, 1)));
- 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->analog != 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 {
- if (phy->connected) {
- bcm43xx_write16(bcm, BCM43xx_MMIO_PHY_RADIO,
- (bcm43xx_read16(bcm,
- BCM43xx_MMIO_PHY_RADIO) & 0x7FFF));
- 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 (phy->rev > 1) {
- bcm43xx_phy_write(bcm, 0x080F, backup[19]);
- bcm43xx_phy_write(bcm, 0x0810, backup[20]);
- }
- }
- }
- 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] | 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 = bcm43xx_current_radio(bcm);
- u16 r8, tmp;
- u16 freq;
-
- if (!ieee80211_is_valid_channel(bcm->ieee, channel))
- return -EINVAL;
- if ((radio->manufact == 0x17F) &&
- (radio->version == 0x2060) &&
- (radio->revision == 1)) {
- 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 (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)
-{
- struct bcm43xx_radioinfo *radio = bcm43xx_current_radio(bcm);
- 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_read(bcm, 0x3001);
- ilt &= 0x0007;
-
- dac = bcm43xx_get_txgain_dac(txpower);
- dac <<= 3;
- dac |= ilt;
-
- bcm43xx_ilt_write(bcm, 0x3001, dac);
-
- radio->txpwr_offset = 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 = bcm43xx_current_radio(bcm);
- struct bcm43xx_phyinfo *phy = bcm43xx_current_phy(bcm);
-
- if (baseband_attenuation == 0xFFFF)
- baseband_attenuation = radio->baseband_atten;
- if (radio_attenuation == 0xFFFF)
- radio_attenuation = radio->radio_atten;
- if (txpower == 0xFFFF)
- txpower = radio->txctl1;
- radio->baseband_atten = baseband_attenuation;
- radio->radio_atten = radio_attenuation;
- radio->txctl1 = 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) & ~0x0070)
- | ((txpower << 4) & 0x0070));
- }
- //FIXME: The spec is very weird and unclear here.
- if (phy->type == BCM43xx_PHYTYPE_G)
- bcm43xx_phy_lo_adjust(bcm, 0);
-}
-
-u16 bcm43xx_default_baseband_attenuation(struct bcm43xx_private *bcm)
-{
- struct bcm43xx_radioinfo *radio = bcm43xx_current_radio(bcm);
-
- if (radio->version == 0x2050 && radio->revision < 6)
- return 0;
- return 2;
-}
-
-u16 bcm43xx_default_radio_attenuation(struct bcm43xx_private *bcm)
-{
- struct bcm43xx_phyinfo *phy = bcm43xx_current_phy(bcm);
- struct bcm43xx_radioinfo *radio = bcm43xx_current_radio(bcm);
- u16 att = 0xFFFF;
-
- if (phy->type == BCM43xx_PHYTYPE_A)
- return 0x60;
-
- switch (radio->version) {
- case 0x2053:
- switch (radio->revision) {
- case 1:
- att = 6;
- break;
- }
- break;
- case 0x2050:
- switch (radio->revision) {
- case 0:
- att = 5;
- break;
- case 1:
- if (phy->type == BCM43xx_PHYTYPE_G) {
- if (bcm->board_vendor == PCI_VENDOR_ID_BROADCOM &&
- bcm->board_type == 0x421 &&
- bcm->board_revision >= 30)
- att = 3;
- else if (bcm->board_vendor == PCI_VENDOR_ID_BROADCOM &&
- bcm->board_type == 0x416)
- att = 3;
- else
- att = 1;
- } else {
- if (bcm->board_vendor == PCI_VENDOR_ID_BROADCOM &&
- bcm->board_type == 0x421 &&
- bcm->board_revision >= 30)
- att = 7;
- else
- att = 6;
- }
- break;
- case 2:
- if (phy->type == BCM43xx_PHYTYPE_G) {
- if (bcm->board_vendor == PCI_VENDOR_ID_BROADCOM &&
- bcm->board_type == 0x421 &&
- bcm->board_revision >= 30)
- att = 3;
- else if (bcm->board_vendor == PCI_VENDOR_ID_BROADCOM &&
- bcm->board_type == 0x416)
- att = 5;
- else if (bcm->chip_id == 0x4320)
- att = 4;
- else
- att = 3;
- } else
- att = 6;
- break;
- case 3:
- att = 5;
- break;
- case 4:
- case 5:
- att = 1;
- break;
- case 6:
- case 7:
- att = 5;
- break;
- case 8:
- att = 0x1A;
- break;
- case 9:
- default:
- att = 5;
- }
- }
- if (bcm->board_vendor == PCI_VENDOR_ID_BROADCOM &&
- bcm->board_type == 0x421) {
- if (bcm->board_revision < 0x43)
- att = 2;
- else if (bcm->board_revision < 0x51)
- att = 3;
- }
- if (att == 0xFFFF)
- att = 5;
-
- return att;
-}
-
-u16 bcm43xx_default_txctl1(struct bcm43xx_private *bcm)
-{
- struct bcm43xx_radioinfo *radio = bcm43xx_current_radio(bcm);
-
- if (radio->version != 0x2050)
- return 0;
- if (radio->revision == 1)
- return 3;
- if (radio->revision < 6)
- return 2;
- if (radio->revision == 8)
- return 1;
- return 0;
-}
-
-void bcm43xx_radio_turn_on(struct bcm43xx_private *bcm)
-{
- struct bcm43xx_phyinfo *phy = bcm43xx_current_phy(bcm);
- struct bcm43xx_radioinfo *radio = bcm43xx_current_radio(bcm);
- 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");
- bcm43xx_leds_update(bcm, 0);
-}
-
-void bcm43xx_radio_turn_off(struct bcm43xx_private *bcm)
-{
- struct bcm43xx_phyinfo *phy = bcm43xx_current_phy(bcm);
- struct bcm43xx_radioinfo *radio = bcm43xx_current_radio(bcm);
-
- 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 initialized\n");
- bcm43xx_leds_update(bcm, 0);
-}
-
-void bcm43xx_radio_clear_tssi(struct bcm43xx_private *bcm)
-{
- struct bcm43xx_phyinfo *phy = bcm43xx_current_phy(bcm);
-
- switch (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;
- }
-}