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authorKalle Valo <kvalo@codeaurora.org>2015-11-17 19:49:26 +0200
committerKalle Valo <kvalo@codeaurora.org>2015-11-18 11:24:09 +0200
commit423e3ce336499ddb4e094f40649d12d9820f785b (patch)
tree42fb1ba3096034f8e84c09d086813d829fa41536 /drivers/net/wireless/b43legacy/radio.c
parent58619b14d106e453e3924810fac16a8644b04db1 (diff)
downloadop-kernel-dev-423e3ce336499ddb4e094f40649d12d9820f785b.zip
op-kernel-dev-423e3ce336499ddb4e094f40649d12d9820f785b.tar.gz
b43legacy: move under broadcom vendor directory
Part of reorganising wireless drivers directory and Kconfig. Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Diffstat (limited to 'drivers/net/wireless/b43legacy/radio.c')
-rw-r--r--drivers/net/wireless/b43legacy/radio.c2143
1 files changed, 0 insertions, 2143 deletions
diff --git a/drivers/net/wireless/b43legacy/radio.c b/drivers/net/wireless/b43legacy/radio.c
deleted file mode 100644
index 9501420..0000000
--- a/drivers/net/wireless/b43legacy/radio.c
+++ /dev/null
@@ -1,2143 +0,0 @@
-/*
-
- Broadcom B43legacy wireless driver
-
- Copyright (c) 2005 Martin Langer <martin-langer@gmx.de>,
- Stefano Brivio <stefano.brivio@polimi.it>
- Michael Buesch <m@bues.ch>
- Danny van Dyk <kugelfang@gentoo.org>
- Andreas Jaggi <andreas.jaggi@waterwave.ch>
- Copyright (c) 2007 Larry Finger <Larry.Finger@lwfinger.net>
-
- 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 "b43legacy.h"
-#include "main.h"
-#include "phy.h"
-#include "radio.h"
-#include "ilt.h"
-
-
-/* Table for b43legacy_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;
-
- B43legacy_BUG_ON(!((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,
- };
-
- if (unlikely(channel < 1 || channel > 14)) {
- printk(KERN_INFO "b43legacy: Channel %d is out of range\n",
- channel);
- dump_stack();
- return 2412;
- }
-
- return frequencies_bg[channel - 1];
-}
-
-void b43legacy_radio_lock(struct b43legacy_wldev *dev)
-{
- u32 status;
-
- status = b43legacy_read32(dev, B43legacy_MMIO_MACCTL);
- B43legacy_WARN_ON(status & B43legacy_MACCTL_RADIOLOCK);
- status |= B43legacy_MACCTL_RADIOLOCK;
- b43legacy_write32(dev, B43legacy_MMIO_MACCTL, status);
- mmiowb();
- udelay(10);
-}
-
-void b43legacy_radio_unlock(struct b43legacy_wldev *dev)
-{
- u32 status;
-
- b43legacy_read16(dev, B43legacy_MMIO_PHY_VER); /* dummy read */
- status = b43legacy_read32(dev, B43legacy_MMIO_MACCTL);
- B43legacy_WARN_ON(!(status & B43legacy_MACCTL_RADIOLOCK));
- status &= ~B43legacy_MACCTL_RADIOLOCK;
- b43legacy_write32(dev, B43legacy_MMIO_MACCTL, status);
- mmiowb();
-}
-
-u16 b43legacy_radio_read16(struct b43legacy_wldev *dev, u16 offset)
-{
- struct b43legacy_phy *phy = &dev->phy;
-
- switch (phy->type) {
- case B43legacy_PHYTYPE_B:
- if (phy->radio_ver == 0x2053) {
- if (offset < 0x70)
- offset += 0x80;
- else if (offset < 0x80)
- offset += 0x70;
- } else if (phy->radio_ver == 0x2050)
- offset |= 0x80;
- else
- B43legacy_WARN_ON(1);
- break;
- case B43legacy_PHYTYPE_G:
- offset |= 0x80;
- break;
- default:
- B43legacy_BUG_ON(1);
- }
-
- b43legacy_write16(dev, B43legacy_MMIO_RADIO_CONTROL, offset);
- return b43legacy_read16(dev, B43legacy_MMIO_RADIO_DATA_LOW);
-}
-
-void b43legacy_radio_write16(struct b43legacy_wldev *dev, u16 offset, u16 val)
-{
- b43legacy_write16(dev, B43legacy_MMIO_RADIO_CONTROL, offset);
- mmiowb();
- b43legacy_write16(dev, B43legacy_MMIO_RADIO_DATA_LOW, val);
-}
-
-static void b43legacy_set_all_gains(struct b43legacy_wldev *dev,
- s16 first, s16 second, s16 third)
-{
- struct b43legacy_phy *phy = &dev->phy;
- u16 i;
- u16 start = 0x08;
- u16 end = 0x18;
- u16 offset = 0x0400;
- u16 tmp;
-
- if (phy->rev <= 1) {
- offset = 0x5000;
- start = 0x10;
- end = 0x20;
- }
-
- for (i = 0; i < 4; i++)
- b43legacy_ilt_write(dev, offset + i, first);
-
- for (i = start; i < end; i++)
- b43legacy_ilt_write(dev, offset + i, second);
-
- if (third != -1) {
- tmp = ((u16)third << 14) | ((u16)third << 6);
- b43legacy_phy_write(dev, 0x04A0,
- (b43legacy_phy_read(dev, 0x04A0) & 0xBFBF)
- | tmp);
- b43legacy_phy_write(dev, 0x04A1,
- (b43legacy_phy_read(dev, 0x04A1) & 0xBFBF)
- | tmp);
- b43legacy_phy_write(dev, 0x04A2,
- (b43legacy_phy_read(dev, 0x04A2) & 0xBFBF)
- | tmp);
- }
- b43legacy_dummy_transmission(dev);
-}
-
-static void b43legacy_set_original_gains(struct b43legacy_wldev *dev)
-{
- struct b43legacy_phy *phy = &dev->phy;
- u16 i;
- u16 tmp;
- u16 offset = 0x0400;
- u16 start = 0x0008;
- u16 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;
-
- b43legacy_ilt_write(dev, offset + i, tmp);
- }
-
- for (i = start; i < end; i++)
- b43legacy_ilt_write(dev, offset + i, i - start);
-
- b43legacy_phy_write(dev, 0x04A0,
- (b43legacy_phy_read(dev, 0x04A0) & 0xBFBF)
- | 0x4040);
- b43legacy_phy_write(dev, 0x04A1,
- (b43legacy_phy_read(dev, 0x04A1) & 0xBFBF)
- | 0x4040);
- b43legacy_phy_write(dev, 0x04A2,
- (b43legacy_phy_read(dev, 0x04A2) & 0xBFBF)
- | 0x4000);
- b43legacy_dummy_transmission(dev);
-}
-
-/* Synthetic PU workaround */
-static void b43legacy_synth_pu_workaround(struct b43legacy_wldev *dev,
- u8 channel)
-{
- struct b43legacy_phy *phy = &dev->phy;
-
- might_sleep();
-
- if (phy->radio_ver != 0x2050 || phy->radio_rev >= 6)
- /* We do not need the workaround. */
- return;
-
- if (channel <= 10)
- b43legacy_write16(dev, B43legacy_MMIO_CHANNEL,
- channel2freq_bg(channel + 4));
- else
- b43legacy_write16(dev, B43legacy_MMIO_CHANNEL,
- channel2freq_bg(channel));
- msleep(1);
- b43legacy_write16(dev, B43legacy_MMIO_CHANNEL,
- channel2freq_bg(channel));
-}
-
-u8 b43legacy_radio_aci_detect(struct b43legacy_wldev *dev, u8 channel)
-{
- struct b43legacy_phy *phy = &dev->phy;
- u8 ret = 0;
- u16 saved;
- u16 rssi;
- u16 temp;
- int i;
- int j = 0;
-
- saved = b43legacy_phy_read(dev, 0x0403);
- b43legacy_radio_selectchannel(dev, channel, 0);
- b43legacy_phy_write(dev, 0x0403, (saved & 0xFFF8) | 5);
- if (phy->aci_hw_rssi)
- rssi = b43legacy_phy_read(dev, 0x048A) & 0x3F;
- else
- rssi = saved & 0x3F;
- /* clamp temp to signed 5bit */
- if (rssi > 32)
- rssi -= 64;
- for (i = 0; i < 100; i++) {
- temp = (b43legacy_phy_read(dev, 0x047F) >> 8) & 0x3F;
- if (temp > 32)
- temp -= 64;
- if (temp < rssi)
- j++;
- if (j >= 20)
- ret = 1;
- }
- b43legacy_phy_write(dev, 0x0403, saved);
-
- return ret;
-}
-
-u8 b43legacy_radio_aci_scan(struct b43legacy_wldev *dev)
-{
- struct b43legacy_phy *phy = &dev->phy;
- u8 ret[13];
- unsigned int channel = phy->channel;
- unsigned int i;
- unsigned int j;
- unsigned int start;
- unsigned int end;
-
- if (!((phy->type == B43legacy_PHYTYPE_G) && (phy->rev > 0)))
- return 0;
-
- b43legacy_phy_lock(dev);
- b43legacy_radio_lock(dev);
- b43legacy_phy_write(dev, 0x0802,
- b43legacy_phy_read(dev, 0x0802) & 0xFFFC);
- b43legacy_phy_write(dev, B43legacy_PHY_G_CRS,
- b43legacy_phy_read(dev, B43legacy_PHY_G_CRS)
- & 0x7FFF);
- b43legacy_set_all_gains(dev, 3, 8, 1);
-
- start = (channel - 5 > 0) ? channel - 5 : 1;
- end = (channel + 5 < 14) ? channel + 5 : 13;
-
- for (i = start; i <= end; i++) {
- if (abs(channel - i) > 2)
- ret[i-1] = b43legacy_radio_aci_detect(dev, i);
- }
- b43legacy_radio_selectchannel(dev, channel, 0);
- b43legacy_phy_write(dev, 0x0802,
- (b43legacy_phy_read(dev, 0x0802) & 0xFFFC)
- | 0x0003);
- b43legacy_phy_write(dev, 0x0403,
- b43legacy_phy_read(dev, 0x0403) & 0xFFF8);
- b43legacy_phy_write(dev, B43legacy_PHY_G_CRS,
- b43legacy_phy_read(dev, B43legacy_PHY_G_CRS)
- | 0x8000);
- b43legacy_set_original_gains(dev);
- for (i = 0; i < 13; i++) {
- if (!ret[i])
- continue;
- end = (i + 5 < 13) ? i + 5 : 13;
- for (j = i; j < end; j++)
- ret[j] = 1;
- }
- b43legacy_radio_unlock(dev);
- b43legacy_phy_unlock(dev);
-
- return ret[channel - 1];
-}
-
-/* http://bcm-specs.sipsolutions.net/NRSSILookupTable */
-void b43legacy_nrssi_hw_write(struct b43legacy_wldev *dev, u16 offset, s16 val)
-{
- b43legacy_phy_write(dev, B43legacy_PHY_NRSSILT_CTRL, offset);
- mmiowb();
- b43legacy_phy_write(dev, B43legacy_PHY_NRSSILT_DATA, (u16)val);
-}
-
-/* http://bcm-specs.sipsolutions.net/NRSSILookupTable */
-s16 b43legacy_nrssi_hw_read(struct b43legacy_wldev *dev, u16 offset)
-{
- u16 val;
-
- b43legacy_phy_write(dev, B43legacy_PHY_NRSSILT_CTRL, offset);
- val = b43legacy_phy_read(dev, B43legacy_PHY_NRSSILT_DATA);
-
- return (s16)val;
-}
-
-/* http://bcm-specs.sipsolutions.net/NRSSILookupTable */
-void b43legacy_nrssi_hw_update(struct b43legacy_wldev *dev, u16 val)
-{
- u16 i;
- s16 tmp;
-
- for (i = 0; i < 64; i++) {
- tmp = b43legacy_nrssi_hw_read(dev, i);
- tmp -= val;
- tmp = clamp_val(tmp, -32, 31);
- b43legacy_nrssi_hw_write(dev, i, tmp);
- }
-}
-
-/* http://bcm-specs.sipsolutions.net/NRSSILookupTable */
-void b43legacy_nrssi_mem_update(struct b43legacy_wldev *dev)
-{
- struct b43legacy_phy *phy = &dev->phy;
- s16 i;
- s16 delta;
- s32 tmp;
-
- delta = 0x1F - phy->nrssi[0];
- for (i = 0; i < 64; i++) {
- tmp = (i - delta) * phy->nrssislope;
- tmp /= 0x10000;
- tmp += 0x3A;
- tmp = clamp_val(tmp, 0, 0x3F);
- phy->nrssi_lt[i] = tmp;
- }
-}
-
-static void b43legacy_calc_nrssi_offset(struct b43legacy_wldev *dev)
-{
- struct b43legacy_phy *phy = &dev->phy;
- u16 backup[20] = { 0 };
- s16 v47F;
- u16 i;
- u16 saved = 0xFFFF;
-
- backup[0] = b43legacy_phy_read(dev, 0x0001);
- backup[1] = b43legacy_phy_read(dev, 0x0811);
- backup[2] = b43legacy_phy_read(dev, 0x0812);
- backup[3] = b43legacy_phy_read(dev, 0x0814);
- backup[4] = b43legacy_phy_read(dev, 0x0815);
- backup[5] = b43legacy_phy_read(dev, 0x005A);
- backup[6] = b43legacy_phy_read(dev, 0x0059);
- backup[7] = b43legacy_phy_read(dev, 0x0058);
- backup[8] = b43legacy_phy_read(dev, 0x000A);
- backup[9] = b43legacy_phy_read(dev, 0x0003);
- backup[10] = b43legacy_radio_read16(dev, 0x007A);
- backup[11] = b43legacy_radio_read16(dev, 0x0043);
-
- b43legacy_phy_write(dev, 0x0429,
- b43legacy_phy_read(dev, 0x0429) & 0x7FFF);
- b43legacy_phy_write(dev, 0x0001,
- (b43legacy_phy_read(dev, 0x0001) & 0x3FFF)
- | 0x4000);
- b43legacy_phy_write(dev, 0x0811,
- b43legacy_phy_read(dev, 0x0811) | 0x000C);
- b43legacy_phy_write(dev, 0x0812,
- (b43legacy_phy_read(dev, 0x0812) & 0xFFF3)
- | 0x0004);
- b43legacy_phy_write(dev, 0x0802,
- b43legacy_phy_read(dev, 0x0802) & ~(0x1 | 0x2));
- if (phy->rev >= 6) {
- backup[12] = b43legacy_phy_read(dev, 0x002E);
- backup[13] = b43legacy_phy_read(dev, 0x002F);
- backup[14] = b43legacy_phy_read(dev, 0x080F);
- backup[15] = b43legacy_phy_read(dev, 0x0810);
- backup[16] = b43legacy_phy_read(dev, 0x0801);
- backup[17] = b43legacy_phy_read(dev, 0x0060);
- backup[18] = b43legacy_phy_read(dev, 0x0014);
- backup[19] = b43legacy_phy_read(dev, 0x0478);
-
- b43legacy_phy_write(dev, 0x002E, 0);
- b43legacy_phy_write(dev, 0x002F, 0);
- b43legacy_phy_write(dev, 0x080F, 0);
- b43legacy_phy_write(dev, 0x0810, 0);
- b43legacy_phy_write(dev, 0x0478,
- b43legacy_phy_read(dev, 0x0478) | 0x0100);
- b43legacy_phy_write(dev, 0x0801,
- b43legacy_phy_read(dev, 0x0801) | 0x0040);
- b43legacy_phy_write(dev, 0x0060,
- b43legacy_phy_read(dev, 0x0060) | 0x0040);
- b43legacy_phy_write(dev, 0x0014,
- b43legacy_phy_read(dev, 0x0014) | 0x0200);
- }
- b43legacy_radio_write16(dev, 0x007A,
- b43legacy_radio_read16(dev, 0x007A) | 0x0070);
- b43legacy_radio_write16(dev, 0x007A,
- b43legacy_radio_read16(dev, 0x007A) | 0x0080);
- udelay(30);
-
- v47F = (s16)((b43legacy_phy_read(dev, 0x047F) >> 8) & 0x003F);
- if (v47F >= 0x20)
- v47F -= 0x40;
- if (v47F == 31) {
- for (i = 7; i >= 4; i--) {
- b43legacy_radio_write16(dev, 0x007B, i);
- udelay(20);
- v47F = (s16)((b43legacy_phy_read(dev, 0x047F) >> 8)
- & 0x003F);
- if (v47F >= 0x20)
- v47F -= 0x40;
- if (v47F < 31 && saved == 0xFFFF)
- saved = i;
- }
- if (saved == 0xFFFF)
- saved = 4;
- } else {
- b43legacy_radio_write16(dev, 0x007A,
- b43legacy_radio_read16(dev, 0x007A)
- & 0x007F);
- b43legacy_phy_write(dev, 0x0814,
- b43legacy_phy_read(dev, 0x0814) | 0x0001);
- b43legacy_phy_write(dev, 0x0815,
- b43legacy_phy_read(dev, 0x0815) & 0xFFFE);
- b43legacy_phy_write(dev, 0x0811,
- b43legacy_phy_read(dev, 0x0811) | 0x000C);
- b43legacy_phy_write(dev, 0x0812,
- b43legacy_phy_read(dev, 0x0812) | 0x000C);
- b43legacy_phy_write(dev, 0x0811,
- b43legacy_phy_read(dev, 0x0811) | 0x0030);
- b43legacy_phy_write(dev, 0x0812,
- b43legacy_phy_read(dev, 0x0812) | 0x0030);
- b43legacy_phy_write(dev, 0x005A, 0x0480);
- b43legacy_phy_write(dev, 0x0059, 0x0810);
- b43legacy_phy_write(dev, 0x0058, 0x000D);
- if (phy->analog == 0)
- b43legacy_phy_write(dev, 0x0003, 0x0122);
- else
- b43legacy_phy_write(dev, 0x000A,
- b43legacy_phy_read(dev, 0x000A)
- | 0x2000);
- b43legacy_phy_write(dev, 0x0814,
- b43legacy_phy_read(dev, 0x0814) | 0x0004);
- b43legacy_phy_write(dev, 0x0815,
- b43legacy_phy_read(dev, 0x0815) & 0xFFFB);
- b43legacy_phy_write(dev, 0x0003,
- (b43legacy_phy_read(dev, 0x0003) & 0xFF9F)
- | 0x0040);
- b43legacy_radio_write16(dev, 0x007A,
- b43legacy_radio_read16(dev, 0x007A)
- | 0x000F);
- b43legacy_set_all_gains(dev, 3, 0, 1);
- b43legacy_radio_write16(dev, 0x0043,
- (b43legacy_radio_read16(dev, 0x0043)
- & 0x00F0) | 0x000F);
- udelay(30);
- v47F = (s16)((b43legacy_phy_read(dev, 0x047F) >> 8) & 0x003F);
- if (v47F >= 0x20)
- v47F -= 0x40;
- if (v47F == -32) {
- for (i = 0; i < 4; i++) {
- b43legacy_radio_write16(dev, 0x007B, i);
- udelay(20);
- v47F = (s16)((b43legacy_phy_read(dev, 0x047F) >>
- 8) & 0x003F);
- if (v47F >= 0x20)
- v47F -= 0x40;
- if (v47F > -31 && saved == 0xFFFF)
- saved = i;
- }
- if (saved == 0xFFFF)
- saved = 3;
- } else
- saved = 0;
- }
- b43legacy_radio_write16(dev, 0x007B, saved);
-
- if (phy->rev >= 6) {
- b43legacy_phy_write(dev, 0x002E, backup[12]);
- b43legacy_phy_write(dev, 0x002F, backup[13]);
- b43legacy_phy_write(dev, 0x080F, backup[14]);
- b43legacy_phy_write(dev, 0x0810, backup[15]);
- }
- b43legacy_phy_write(dev, 0x0814, backup[3]);
- b43legacy_phy_write(dev, 0x0815, backup[4]);
- b43legacy_phy_write(dev, 0x005A, backup[5]);
- b43legacy_phy_write(dev, 0x0059, backup[6]);
- b43legacy_phy_write(dev, 0x0058, backup[7]);
- b43legacy_phy_write(dev, 0x000A, backup[8]);
- b43legacy_phy_write(dev, 0x0003, backup[9]);
- b43legacy_radio_write16(dev, 0x0043, backup[11]);
- b43legacy_radio_write16(dev, 0x007A, backup[10]);
- b43legacy_phy_write(dev, 0x0802,
- b43legacy_phy_read(dev, 0x0802) | 0x1 | 0x2);
- b43legacy_phy_write(dev, 0x0429,
- b43legacy_phy_read(dev, 0x0429) | 0x8000);
- b43legacy_set_original_gains(dev);
- if (phy->rev >= 6) {
- b43legacy_phy_write(dev, 0x0801, backup[16]);
- b43legacy_phy_write(dev, 0x0060, backup[17]);
- b43legacy_phy_write(dev, 0x0014, backup[18]);
- b43legacy_phy_write(dev, 0x0478, backup[19]);
- }
- b43legacy_phy_write(dev, 0x0001, backup[0]);
- b43legacy_phy_write(dev, 0x0812, backup[2]);
- b43legacy_phy_write(dev, 0x0811, backup[1]);
-}
-
-void b43legacy_calc_nrssi_slope(struct b43legacy_wldev *dev)
-{
- struct b43legacy_phy *phy = &dev->phy;
- u16 backup[18] = { 0 };
- u16 tmp;
- s16 nrssi0;
- s16 nrssi1;
-
- switch (phy->type) {
- case B43legacy_PHYTYPE_B:
- backup[0] = b43legacy_radio_read16(dev, 0x007A);
- backup[1] = b43legacy_radio_read16(dev, 0x0052);
- backup[2] = b43legacy_radio_read16(dev, 0x0043);
- backup[3] = b43legacy_phy_read(dev, 0x0030);
- backup[4] = b43legacy_phy_read(dev, 0x0026);
- backup[5] = b43legacy_phy_read(dev, 0x0015);
- backup[6] = b43legacy_phy_read(dev, 0x002A);
- backup[7] = b43legacy_phy_read(dev, 0x0020);
- backup[8] = b43legacy_phy_read(dev, 0x005A);
- backup[9] = b43legacy_phy_read(dev, 0x0059);
- backup[10] = b43legacy_phy_read(dev, 0x0058);
- backup[11] = b43legacy_read16(dev, 0x03E2);
- backup[12] = b43legacy_read16(dev, 0x03E6);
- backup[13] = b43legacy_read16(dev, B43legacy_MMIO_CHANNEL_EXT);
-
- tmp = b43legacy_radio_read16(dev, 0x007A);
- tmp &= (phy->rev >= 5) ? 0x007F : 0x000F;
- b43legacy_radio_write16(dev, 0x007A, tmp);
- b43legacy_phy_write(dev, 0x0030, 0x00FF);
- b43legacy_write16(dev, 0x03EC, 0x7F7F);
- b43legacy_phy_write(dev, 0x0026, 0x0000);
- b43legacy_phy_write(dev, 0x0015,
- b43legacy_phy_read(dev, 0x0015) | 0x0020);
- b43legacy_phy_write(dev, 0x002A, 0x08A3);
- b43legacy_radio_write16(dev, 0x007A,
- b43legacy_radio_read16(dev, 0x007A)
- | 0x0080);
-
- nrssi0 = (s16)b43legacy_phy_read(dev, 0x0027);
- b43legacy_radio_write16(dev, 0x007A,
- b43legacy_radio_read16(dev, 0x007A)
- & 0x007F);
- if (phy->analog >= 2)
- b43legacy_write16(dev, 0x03E6, 0x0040);
- else if (phy->analog == 0)
- b43legacy_write16(dev, 0x03E6, 0x0122);
- else
- b43legacy_write16(dev, B43legacy_MMIO_CHANNEL_EXT,
- b43legacy_read16(dev,
- B43legacy_MMIO_CHANNEL_EXT) & 0x2000);
- b43legacy_phy_write(dev, 0x0020, 0x3F3F);
- b43legacy_phy_write(dev, 0x0015, 0xF330);
- b43legacy_radio_write16(dev, 0x005A, 0x0060);
- b43legacy_radio_write16(dev, 0x0043,
- b43legacy_radio_read16(dev, 0x0043)
- & 0x00F0);
- b43legacy_phy_write(dev, 0x005A, 0x0480);
- b43legacy_phy_write(dev, 0x0059, 0x0810);
- b43legacy_phy_write(dev, 0x0058, 0x000D);
- udelay(20);
-
- nrssi1 = (s16)b43legacy_phy_read(dev, 0x0027);
- b43legacy_phy_write(dev, 0x0030, backup[3]);
- b43legacy_radio_write16(dev, 0x007A, backup[0]);
- b43legacy_write16(dev, 0x03E2, backup[11]);
- b43legacy_phy_write(dev, 0x0026, backup[4]);
- b43legacy_phy_write(dev, 0x0015, backup[5]);
- b43legacy_phy_write(dev, 0x002A, backup[6]);
- b43legacy_synth_pu_workaround(dev, phy->channel);
- if (phy->analog != 0)
- b43legacy_write16(dev, 0x03F4, backup[13]);
-
- b43legacy_phy_write(dev, 0x0020, backup[7]);
- b43legacy_phy_write(dev, 0x005A, backup[8]);
- b43legacy_phy_write(dev, 0x0059, backup[9]);
- b43legacy_phy_write(dev, 0x0058, backup[10]);
- b43legacy_radio_write16(dev, 0x0052, backup[1]);
- b43legacy_radio_write16(dev, 0x0043, backup[2]);
-
- if (nrssi0 == nrssi1)
- phy->nrssislope = 0x00010000;
- else
- phy->nrssislope = 0x00400000 / (nrssi0 - nrssi1);
-
- if (nrssi0 <= -4) {
- phy->nrssi[0] = nrssi0;
- phy->nrssi[1] = nrssi1;
- }
- break;
- case B43legacy_PHYTYPE_G:
- if (phy->radio_rev >= 9)
- return;
- if (phy->radio_rev == 8)
- b43legacy_calc_nrssi_offset(dev);
-
- b43legacy_phy_write(dev, B43legacy_PHY_G_CRS,
- b43legacy_phy_read(dev, B43legacy_PHY_G_CRS)
- & 0x7FFF);
- b43legacy_phy_write(dev, 0x0802,
- b43legacy_phy_read(dev, 0x0802) & 0xFFFC);
- backup[7] = b43legacy_read16(dev, 0x03E2);
- b43legacy_write16(dev, 0x03E2,
- b43legacy_read16(dev, 0x03E2) | 0x8000);
- backup[0] = b43legacy_radio_read16(dev, 0x007A);
- backup[1] = b43legacy_radio_read16(dev, 0x0052);
- backup[2] = b43legacy_radio_read16(dev, 0x0043);
- backup[3] = b43legacy_phy_read(dev, 0x0015);
- backup[4] = b43legacy_phy_read(dev, 0x005A);
- backup[5] = b43legacy_phy_read(dev, 0x0059);
- backup[6] = b43legacy_phy_read(dev, 0x0058);
- backup[8] = b43legacy_read16(dev, 0x03E6);
- backup[9] = b43legacy_read16(dev, B43legacy_MMIO_CHANNEL_EXT);
- if (phy->rev >= 3) {
- backup[10] = b43legacy_phy_read(dev, 0x002E);
- backup[11] = b43legacy_phy_read(dev, 0x002F);
- backup[12] = b43legacy_phy_read(dev, 0x080F);
- backup[13] = b43legacy_phy_read(dev,
- B43legacy_PHY_G_LO_CONTROL);
- backup[14] = b43legacy_phy_read(dev, 0x0801);
- backup[15] = b43legacy_phy_read(dev, 0x0060);
- backup[16] = b43legacy_phy_read(dev, 0x0014);
- backup[17] = b43legacy_phy_read(dev, 0x0478);
- b43legacy_phy_write(dev, 0x002E, 0);
- b43legacy_phy_write(dev, B43legacy_PHY_G_LO_CONTROL, 0);
- switch (phy->rev) {
- case 4: case 6: case 7:
- b43legacy_phy_write(dev, 0x0478,
- b43legacy_phy_read(dev,
- 0x0478) | 0x0100);
- b43legacy_phy_write(dev, 0x0801,
- b43legacy_phy_read(dev,
- 0x0801) | 0x0040);
- break;
- case 3: case 5:
- b43legacy_phy_write(dev, 0x0801,
- b43legacy_phy_read(dev,
- 0x0801) & 0xFFBF);
- break;
- }
- b43legacy_phy_write(dev, 0x0060,
- b43legacy_phy_read(dev, 0x0060)
- | 0x0040);
- b43legacy_phy_write(dev, 0x0014,
- b43legacy_phy_read(dev, 0x0014)
- | 0x0200);
- }
- b43legacy_radio_write16(dev, 0x007A,
- b43legacy_radio_read16(dev, 0x007A)
- | 0x0070);
- b43legacy_set_all_gains(dev, 0, 8, 0);
- b43legacy_radio_write16(dev, 0x007A,
- b43legacy_radio_read16(dev, 0x007A)
- & 0x00F7);
- if (phy->rev >= 2) {
- b43legacy_phy_write(dev, 0x0811,
- (b43legacy_phy_read(dev, 0x0811)
- & 0xFFCF) | 0x0030);
- b43legacy_phy_write(dev, 0x0812,
- (b43legacy_phy_read(dev, 0x0812)
- & 0xFFCF) | 0x0010);
- }
- b43legacy_radio_write16(dev, 0x007A,
- b43legacy_radio_read16(dev, 0x007A)
- | 0x0080);
- udelay(20);
-
- nrssi0 = (s16)((b43legacy_phy_read(dev, 0x047F) >> 8) & 0x003F);
- if (nrssi0 >= 0x0020)
- nrssi0 -= 0x0040;
-
- b43legacy_radio_write16(dev, 0x007A,
- b43legacy_radio_read16(dev, 0x007A)
- & 0x007F);
- if (phy->analog >= 2)
- b43legacy_phy_write(dev, 0x0003,
- (b43legacy_phy_read(dev, 0x0003)
- & 0xFF9F) | 0x0040);
-
- b43legacy_write16(dev, B43legacy_MMIO_CHANNEL_EXT,
- b43legacy_read16(dev,
- B43legacy_MMIO_CHANNEL_EXT) | 0x2000);
- b43legacy_radio_write16(dev, 0x007A,
- b43legacy_radio_read16(dev, 0x007A)
- | 0x000F);
- b43legacy_phy_write(dev, 0x0015, 0xF330);
- if (phy->rev >= 2) {
- b43legacy_phy_write(dev, 0x0812,
- (b43legacy_phy_read(dev, 0x0812)
- & 0xFFCF) | 0x0020);
- b43legacy_phy_write(dev, 0x0811,
- (b43legacy_phy_read(dev, 0x0811)
- & 0xFFCF) | 0x0020);
- }
-
- b43legacy_set_all_gains(dev, 3, 0, 1);
- if (phy->radio_rev == 8)
- b43legacy_radio_write16(dev, 0x0043, 0x001F);
- else {
- tmp = b43legacy_radio_read16(dev, 0x0052) & 0xFF0F;
- b43legacy_radio_write16(dev, 0x0052, tmp | 0x0060);
- tmp = b43legacy_radio_read16(dev, 0x0043) & 0xFFF0;
- b43legacy_radio_write16(dev, 0x0043, tmp | 0x0009);
- }
- b43legacy_phy_write(dev, 0x005A, 0x0480);
- b43legacy_phy_write(dev, 0x0059, 0x0810);
- b43legacy_phy_write(dev, 0x0058, 0x000D);
- udelay(20);
- nrssi1 = (s16)((b43legacy_phy_read(dev, 0x047F) >> 8) & 0x003F);
- if (nrssi1 >= 0x0020)
- nrssi1 -= 0x0040;
- if (nrssi0 == nrssi1)
- phy->nrssislope = 0x00010000;
- else
- phy->nrssislope = 0x00400000 / (nrssi0 - nrssi1);
- if (nrssi0 >= -4) {
- phy->nrssi[0] = nrssi1;
- phy->nrssi[1] = nrssi0;
- }
- if (phy->rev >= 3) {
- b43legacy_phy_write(dev, 0x002E, backup[10]);
- b43legacy_phy_write(dev, 0x002F, backup[11]);
- b43legacy_phy_write(dev, 0x080F, backup[12]);
- b43legacy_phy_write(dev, B43legacy_PHY_G_LO_CONTROL,
- backup[13]);
- }
- if (phy->rev >= 2) {
- b43legacy_phy_write(dev, 0x0812,
- b43legacy_phy_read(dev, 0x0812)
- & 0xFFCF);
- b43legacy_phy_write(dev, 0x0811,
- b43legacy_phy_read(dev, 0x0811)
- & 0xFFCF);
- }
-
- b43legacy_radio_write16(dev, 0x007A, backup[0]);
- b43legacy_radio_write16(dev, 0x0052, backup[1]);
- b43legacy_radio_write16(dev, 0x0043, backup[2]);
- b43legacy_write16(dev, 0x03E2, backup[7]);
- b43legacy_write16(dev, 0x03E6, backup[8]);
- b43legacy_write16(dev, B43legacy_MMIO_CHANNEL_EXT, backup[9]);
- b43legacy_phy_write(dev, 0x0015, backup[3]);
- b43legacy_phy_write(dev, 0x005A, backup[4]);
- b43legacy_phy_write(dev, 0x0059, backup[5]);
- b43legacy_phy_write(dev, 0x0058, backup[6]);
- b43legacy_synth_pu_workaround(dev, phy->channel);
- b43legacy_phy_write(dev, 0x0802,
- b43legacy_phy_read(dev, 0x0802) | 0x0003);
- b43legacy_set_original_gains(dev);
- b43legacy_phy_write(dev, B43legacy_PHY_G_CRS,
- b43legacy_phy_read(dev, B43legacy_PHY_G_CRS)
- | 0x8000);
- if (phy->rev >= 3) {
- b43legacy_phy_write(dev, 0x0801, backup[14]);
- b43legacy_phy_write(dev, 0x0060, backup[15]);
- b43legacy_phy_write(dev, 0x0014, backup[16]);
- b43legacy_phy_write(dev, 0x0478, backup[17]);
- }
- b43legacy_nrssi_mem_update(dev);
- b43legacy_calc_nrssi_threshold(dev);
- break;
- default:
- B43legacy_BUG_ON(1);
- }
-}
-
-void b43legacy_calc_nrssi_threshold(struct b43legacy_wldev *dev)
-{
- struct b43legacy_phy *phy = &dev->phy;
- s32 threshold;
- s32 a;
- s32 b;
- s16 tmp16;
- u16 tmp_u16;
-
- switch (phy->type) {
- case B43legacy_PHYTYPE_B: {
- if (phy->radio_ver != 0x2050)
- return;
- if (!(dev->dev->bus->sprom.boardflags_lo &
- B43legacy_BFL_RSSI))
- return;
-
- if (phy->radio_rev >= 6) {
- threshold = (phy->nrssi[1] - phy->nrssi[0]) * 32;
- threshold += 20 * (phy->nrssi[0] + 1);
- threshold /= 40;
- } else
- threshold = phy->nrssi[1] - 5;
-
- threshold = clamp_val(threshold, 0, 0x3E);
- b43legacy_phy_read(dev, 0x0020); /* dummy read */
- b43legacy_phy_write(dev, 0x0020, (((u16)threshold) << 8)
- | 0x001C);
-
- if (phy->radio_rev >= 6) {
- b43legacy_phy_write(dev, 0x0087, 0x0E0D);
- b43legacy_phy_write(dev, 0x0086, 0x0C0B);
- b43legacy_phy_write(dev, 0x0085, 0x0A09);
- b43legacy_phy_write(dev, 0x0084, 0x0808);
- b43legacy_phy_write(dev, 0x0083, 0x0808);
- b43legacy_phy_write(dev, 0x0082, 0x0604);
- b43legacy_phy_write(dev, 0x0081, 0x0302);
- b43legacy_phy_write(dev, 0x0080, 0x0100);
- }
- break;
- }
- case B43legacy_PHYTYPE_G:
- if (!phy->gmode ||
- !(dev->dev->bus->sprom.boardflags_lo &
- B43legacy_BFL_RSSI)) {
- tmp16 = b43legacy_nrssi_hw_read(dev, 0x20);
- if (tmp16 >= 0x20)
- tmp16 -= 0x40;
- if (tmp16 < 3)
- b43legacy_phy_write(dev, 0x048A,
- (b43legacy_phy_read(dev,
- 0x048A) & 0xF000) | 0x09EB);
- else
- b43legacy_phy_write(dev, 0x048A,
- (b43legacy_phy_read(dev,
- 0x048A) & 0xF000) | 0x0AED);
- } else {
- if (phy->interfmode ==
- B43legacy_RADIO_INTERFMODE_NONWLAN) {
- a = 0xE;
- b = 0xA;
- } else if (!phy->aci_wlan_automatic &&
- phy->aci_enable) {
- a = 0x13;
- b = 0x12;
- } else {
- a = 0xE;
- b = 0x11;
- }
-
- a = a * (phy->nrssi[1] - phy->nrssi[0]);
- a += (phy->nrssi[0] << 6);
- if (a < 32)
- a += 31;
- else
- a += 32;
- a = a >> 6;
- a = clamp_val(a, -31, 31);
-
- b = b * (phy->nrssi[1] - phy->nrssi[0]);
- b += (phy->nrssi[0] << 6);
- if (b < 32)
- b += 31;
- else
- b += 32;
- b = b >> 6;
- b = clamp_val(b, -31, 31);
-
- tmp_u16 = b43legacy_phy_read(dev, 0x048A) & 0xF000;
- tmp_u16 |= ((u32)b & 0x0000003F);
- tmp_u16 |= (((u32)a & 0x0000003F) << 6);
- b43legacy_phy_write(dev, 0x048A, tmp_u16);
- }
- break;
- default:
- B43legacy_BUG_ON(1);
- }
-}
-
-/* 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]);
-
- B43legacy_WARN_ON(!((offset & 0xE000) == 0x0000));
- B43legacy_WARN_ON(!((id & 0xF8) == 0x00));
- *stackptr = offset;
- *stackptr |= ((u32)id) << 13;
- *stackptr |= ((u32)value) << 16;
- (*stackidx)++;
- B43legacy_WARN_ON(!(*stackidx < B43legacy_INTERFSTACK_SIZE));
-}
-
-static u16 _stack_restore(u32 *stackptr,
- u8 id, u16 offset)
-{
- size_t i;
-
- B43legacy_WARN_ON(!((offset & 0xE000) == 0x0000));
- B43legacy_WARN_ON(!((id & 0xF8) == 0x00));
- for (i = 0; i < B43legacy_INTERFSTACK_SIZE; i++, stackptr++) {
- if ((*stackptr & 0x00001FFF) != offset)
- continue;
- if (((*stackptr & 0x00007000) >> 13) != id)
- continue;
- return ((*stackptr & 0xFFFF0000) >> 16);
- }
- B43legacy_BUG_ON(1);
-
- return 0;
-}
-
-#define phy_stacksave(offset) \
- do { \
- _stack_save(stack, &stackidx, 0x1, (offset), \
- b43legacy_phy_read(dev, (offset))); \
- } while (0)
-#define phy_stackrestore(offset) \
- do { \
- b43legacy_phy_write(dev, (offset), \
- _stack_restore(stack, 0x1, \
- (offset))); \
- } while (0)
-#define radio_stacksave(offset) \
- do { \
- _stack_save(stack, &stackidx, 0x2, (offset), \
- b43legacy_radio_read16(dev, (offset))); \
- } while (0)
-#define radio_stackrestore(offset) \
- do { \
- b43legacy_radio_write16(dev, (offset), \
- _stack_restore(stack, 0x2, \
- (offset))); \
- } while (0)
-#define ilt_stacksave(offset) \
- do { \
- _stack_save(stack, &stackidx, 0x3, (offset), \
- b43legacy_ilt_read(dev, (offset))); \
- } while (0)
-#define ilt_stackrestore(offset) \
- do { \
- b43legacy_ilt_write(dev, (offset), \
- _stack_restore(stack, 0x3, \
- (offset))); \
- } while (0)
-
-static void
-b43legacy_radio_interference_mitigation_enable(struct b43legacy_wldev *dev,
- int mode)
-{
- struct b43legacy_phy *phy = &dev->phy;
- u16 tmp;
- u16 flipped;
- u32 tmp32;
- size_t stackidx = 0;
- u32 *stack = phy->interfstack;
-
- switch (mode) {
- case B43legacy_RADIO_INTERFMODE_NONWLAN:
- if (phy->rev != 1) {
- b43legacy_phy_write(dev, 0x042B,
- b43legacy_phy_read(dev, 0x042B)
- | 0x0800);
- b43legacy_phy_write(dev, B43legacy_PHY_G_CRS,
- b43legacy_phy_read(dev,
- B43legacy_PHY_G_CRS) & ~0x4000);
- break;
- }
- radio_stacksave(0x0078);
- tmp = (b43legacy_radio_read16(dev, 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;
- b43legacy_radio_write16(dev, 0x0078, flipped);
-
- b43legacy_calc_nrssi_threshold(dev);
-
- phy_stacksave(0x0406);
- b43legacy_phy_write(dev, 0x0406, 0x7E28);
-
- b43legacy_phy_write(dev, 0x042B,
- b43legacy_phy_read(dev, 0x042B) | 0x0800);
- b43legacy_phy_write(dev, B43legacy_PHY_RADIO_BITFIELD,
- b43legacy_phy_read(dev,
- B43legacy_PHY_RADIO_BITFIELD) | 0x1000);
-
- phy_stacksave(0x04A0);
- b43legacy_phy_write(dev, 0x04A0,
- (b43legacy_phy_read(dev, 0x04A0) & 0xC0C0)
- | 0x0008);
- phy_stacksave(0x04A1);
- b43legacy_phy_write(dev, 0x04A1,
- (b43legacy_phy_read(dev, 0x04A1) & 0xC0C0)
- | 0x0605);
- phy_stacksave(0x04A2);
- b43legacy_phy_write(dev, 0x04A2,
- (b43legacy_phy_read(dev, 0x04A2) & 0xC0C0)
- | 0x0204);
- phy_stacksave(0x04A8);
- b43legacy_phy_write(dev, 0x04A8,
- (b43legacy_phy_read(dev, 0x04A8) & 0xC0C0)
- | 0x0803);
- phy_stacksave(0x04AB);
- b43legacy_phy_write(dev, 0x04AB,
- (b43legacy_phy_read(dev, 0x04AB) & 0xC0C0)
- | 0x0605);
-
- phy_stacksave(0x04A7);
- b43legacy_phy_write(dev, 0x04A7, 0x0002);
- phy_stacksave(0x04A3);
- b43legacy_phy_write(dev, 0x04A3, 0x287A);
- phy_stacksave(0x04A9);
- b43legacy_phy_write(dev, 0x04A9, 0x2027);
- phy_stacksave(0x0493);
- b43legacy_phy_write(dev, 0x0493, 0x32F5);
- phy_stacksave(0x04AA);
- b43legacy_phy_write(dev, 0x04AA, 0x2027);
- phy_stacksave(0x04AC);
- b43legacy_phy_write(dev, 0x04AC, 0x32F5);
- break;
- case B43legacy_RADIO_INTERFMODE_MANUALWLAN:
- if (b43legacy_phy_read(dev, 0x0033) & 0x0800)
- break;
-
- phy->aci_enable = true;
-
- phy_stacksave(B43legacy_PHY_RADIO_BITFIELD);
- phy_stacksave(B43legacy_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);
-
- b43legacy_phy_write(dev, B43legacy_PHY_RADIO_BITFIELD,
- b43legacy_phy_read(dev,
- B43legacy_PHY_RADIO_BITFIELD) & ~0x1000);
- b43legacy_phy_write(dev, B43legacy_PHY_G_CRS,
- (b43legacy_phy_read(dev,
- B43legacy_PHY_G_CRS)
- & 0xFFFC) | 0x0002);
-
- b43legacy_phy_write(dev, 0x0033, 0x0800);
- b43legacy_phy_write(dev, 0x04A3, 0x2027);
- b43legacy_phy_write(dev, 0x04A9, 0x1CA8);
- b43legacy_phy_write(dev, 0x0493, 0x287A);
- b43legacy_phy_write(dev, 0x04AA, 0x1CA8);
- b43legacy_phy_write(dev, 0x04AC, 0x287A);
-
- b43legacy_phy_write(dev, 0x04A0,
- (b43legacy_phy_read(dev, 0x04A0)
- & 0xFFC0) | 0x001A);
- b43legacy_phy_write(dev, 0x04A7, 0x000D);
-
- if (phy->rev < 2)
- b43legacy_phy_write(dev, 0x0406, 0xFF0D);
- else if (phy->rev == 2) {
- b43legacy_phy_write(dev, 0x04C0, 0xFFFF);
- b43legacy_phy_write(dev, 0x04C1, 0x00A9);
- } else {
- b43legacy_phy_write(dev, 0x04C0, 0x00C1);
- b43legacy_phy_write(dev, 0x04C1, 0x0059);
- }
-
- b43legacy_phy_write(dev, 0x04A1,
- (b43legacy_phy_read(dev, 0x04A1)
- & 0xC0FF) | 0x1800);
- b43legacy_phy_write(dev, 0x04A1,
- (b43legacy_phy_read(dev, 0x04A1)
- & 0xFFC0) | 0x0015);
- b43legacy_phy_write(dev, 0x04A8,
- (b43legacy_phy_read(dev, 0x04A8)
- & 0xCFFF) | 0x1000);
- b43legacy_phy_write(dev, 0x04A8,
- (b43legacy_phy_read(dev, 0x04A8)
- & 0xF0FF) | 0x0A00);
- b43legacy_phy_write(dev, 0x04AB,
- (b43legacy_phy_read(dev, 0x04AB)
- & 0xCFFF) | 0x1000);
- b43legacy_phy_write(dev, 0x04AB,
- (b43legacy_phy_read(dev, 0x04AB)
- & 0xF0FF) | 0x0800);
- b43legacy_phy_write(dev, 0x04AB,
- (b43legacy_phy_read(dev, 0x04AB)
- & 0xFFCF) | 0x0010);
- b43legacy_phy_write(dev, 0x04AB,
- (b43legacy_phy_read(dev, 0x04AB)
- & 0xFFF0) | 0x0005);
- b43legacy_phy_write(dev, 0x04A8,
- (b43legacy_phy_read(dev, 0x04A8)
- & 0xFFCF) | 0x0010);
- b43legacy_phy_write(dev, 0x04A8,
- (b43legacy_phy_read(dev, 0x04A8)
- & 0xFFF0) | 0x0006);
- b43legacy_phy_write(dev, 0x04A2,
- (b43legacy_phy_read(dev, 0x04A2)
- & 0xF0FF) | 0x0800);
- b43legacy_phy_write(dev, 0x04A0,
- (b43legacy_phy_read(dev, 0x04A0)
- & 0xF0FF) | 0x0500);
- b43legacy_phy_write(dev, 0x04A2,
- (b43legacy_phy_read(dev, 0x04A2)
- & 0xFFF0) | 0x000B);
-
- if (phy->rev >= 3) {
- b43legacy_phy_write(dev, 0x048A,
- b43legacy_phy_read(dev, 0x048A)
- & ~0x8000);
- b43legacy_phy_write(dev, 0x0415,
- (b43legacy_phy_read(dev, 0x0415)
- & 0x8000) | 0x36D8);
- b43legacy_phy_write(dev, 0x0416,
- (b43legacy_phy_read(dev, 0x0416)
- & 0x8000) | 0x36D8);
- b43legacy_phy_write(dev, 0x0417,
- (b43legacy_phy_read(dev, 0x0417)
- & 0xFE00) | 0x016D);
- } else {
- b43legacy_phy_write(dev, 0x048A,
- b43legacy_phy_read(dev, 0x048A)
- | 0x1000);
- b43legacy_phy_write(dev, 0x048A,
- (b43legacy_phy_read(dev, 0x048A)
- & 0x9FFF) | 0x2000);
- tmp32 = b43legacy_shm_read32(dev, B43legacy_SHM_SHARED,
- B43legacy_UCODEFLAGS_OFFSET);
- if (!(tmp32 & 0x800)) {
- tmp32 |= 0x800;
- b43legacy_shm_write32(dev, B43legacy_SHM_SHARED,
- B43legacy_UCODEFLAGS_OFFSET,
- tmp32);
- }
- }
- if (phy->rev >= 2)
- b43legacy_phy_write(dev, 0x042B,
- b43legacy_phy_read(dev, 0x042B)
- | 0x0800);
- b43legacy_phy_write(dev, 0x048C,
- (b43legacy_phy_read(dev, 0x048C)
- & 0xF0FF) | 0x0200);
- if (phy->rev == 2) {
- b43legacy_phy_write(dev, 0x04AE,
- (b43legacy_phy_read(dev, 0x04AE)
- & 0xFF00) | 0x007F);
- b43legacy_phy_write(dev, 0x04AD,
- (b43legacy_phy_read(dev, 0x04AD)
- & 0x00FF) | 0x1300);
- } else if (phy->rev >= 6) {
- b43legacy_ilt_write(dev, 0x1A00 + 0x3, 0x007F);
- b43legacy_ilt_write(dev, 0x1A00 + 0x2, 0x007F);
- b43legacy_phy_write(dev, 0x04AD,
- b43legacy_phy_read(dev, 0x04AD)
- & 0x00FF);
- }
- b43legacy_calc_nrssi_slope(dev);
- break;
- default:
- B43legacy_BUG_ON(1);
- }
-}
-
-static void
-b43legacy_radio_interference_mitigation_disable(struct b43legacy_wldev *dev,
- int mode)
-{
- struct b43legacy_phy *phy = &dev->phy;
- u32 tmp32;
- u32 *stack = phy->interfstack;
-
- switch (mode) {
- case B43legacy_RADIO_INTERFMODE_NONWLAN:
- if (phy->rev != 1) {
- b43legacy_phy_write(dev, 0x042B,
- b43legacy_phy_read(dev, 0x042B)
- & ~0x0800);
- b43legacy_phy_write(dev, B43legacy_PHY_G_CRS,
- b43legacy_phy_read(dev,
- B43legacy_PHY_G_CRS) | 0x4000);
- break;
- }
- phy_stackrestore(0x0078);
- b43legacy_calc_nrssi_threshold(dev);
- phy_stackrestore(0x0406);
- b43legacy_phy_write(dev, 0x042B,
- b43legacy_phy_read(dev, 0x042B) & ~0x0800);
- if (!dev->bad_frames_preempt)
- b43legacy_phy_write(dev, B43legacy_PHY_RADIO_BITFIELD,
- b43legacy_phy_read(dev,
- B43legacy_PHY_RADIO_BITFIELD)
- & ~(1 << 11));
- b43legacy_phy_write(dev, B43legacy_PHY_G_CRS,
- b43legacy_phy_read(dev, B43legacy_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 B43legacy_RADIO_INTERFMODE_MANUALWLAN:
- if (!(b43legacy_phy_read(dev, 0x0033) & 0x0800))
- break;
-
- phy->aci_enable = false;
-
- phy_stackrestore(B43legacy_PHY_RADIO_BITFIELD);
- phy_stackrestore(B43legacy_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 = b43legacy_shm_read32(dev, B43legacy_SHM_SHARED,
- B43legacy_UCODEFLAGS_OFFSET);
- if (tmp32 & 0x800) {
- tmp32 &= ~0x800;
- b43legacy_shm_write32(dev, B43legacy_SHM_SHARED,
- B43legacy_UCODEFLAGS_OFFSET,
- tmp32);
- }
- b43legacy_calc_nrssi_slope(dev);
- break;
- default:
- B43legacy_BUG_ON(1);
- }
-}
-
-#undef phy_stacksave
-#undef phy_stackrestore
-#undef radio_stacksave
-#undef radio_stackrestore
-#undef ilt_stacksave
-#undef ilt_stackrestore
-
-int b43legacy_radio_set_interference_mitigation(struct b43legacy_wldev *dev,
- int mode)
-{
- struct b43legacy_phy *phy = &dev->phy;
- int currentmode;
-
- if ((phy->type != B43legacy_PHYTYPE_G) ||
- (phy->rev == 0) || (!phy->gmode))
- return -ENODEV;
-
- phy->aci_wlan_automatic = false;
- switch (mode) {
- case B43legacy_RADIO_INTERFMODE_AUTOWLAN:
- phy->aci_wlan_automatic = true;
- if (phy->aci_enable)
- mode = B43legacy_RADIO_INTERFMODE_MANUALWLAN;
- else
- mode = B43legacy_RADIO_INTERFMODE_NONE;
- break;
- case B43legacy_RADIO_INTERFMODE_NONE:
- case B43legacy_RADIO_INTERFMODE_NONWLAN:
- case B43legacy_RADIO_INTERFMODE_MANUALWLAN:
- break;
- default:
- return -EINVAL;
- }
-
- currentmode = phy->interfmode;
- if (currentmode == mode)
- return 0;
- if (currentmode != B43legacy_RADIO_INTERFMODE_NONE)
- b43legacy_radio_interference_mitigation_disable(dev,
- currentmode);
-
- if (mode == B43legacy_RADIO_INTERFMODE_NONE) {
- phy->aci_enable = false;
- phy->aci_hw_rssi = false;
- } else
- b43legacy_radio_interference_mitigation_enable(dev, mode);
- phy->interfmode = mode;
-
- return 0;
-}
-
-u16 b43legacy_radio_calibrationvalue(struct b43legacy_wldev *dev)
-{
- u16 reg;
- u16 index;
- u16 ret;
-
- reg = b43legacy_radio_read16(dev, 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 b43legacy_get_812_value(struct b43legacy_wldev *dev, u8 lpd)
-{
- struct b43legacy_phy *phy = &dev->phy;
- u16 loop_or = 0;
- u16 adj_loopback_gain = phy->loopback_gain[0];
- u8 loop;
- u16 extern_lna_control;
-
- if (!phy->gmode)
- return 0;
- if (!has_loopback_gain(phy)) {
- if (phy->rev < 7 || !(dev->dev->bus->sprom.boardflags_lo
- & B43legacy_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:
- B43legacy_BUG_ON(1);
- }
- } 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:
- B43legacy_BUG_ON(1);
- }
- }
- } else {
- if (phy->radio_rev == 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 && dev->dev->bus->sprom.boardflags_lo
- & B43legacy_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:
- B43legacy_BUG_ON(1);
- }
- } 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:
- B43legacy_BUG_ON(1);
- }
- }
- }
- return 0;
-}
-
-u16 b43legacy_radio_init2050(struct b43legacy_wldev *dev)
-{
- struct b43legacy_phy *phy = &dev->phy;
- u16 backup[21] = { 0 };
- u16 ret;
- u16 i;
- u16 j;
- u32 tmp1 = 0;
- u32 tmp2 = 0;
-
- backup[0] = b43legacy_radio_read16(dev, 0x0043);
- backup[14] = b43legacy_radio_read16(dev, 0x0051);
- backup[15] = b43legacy_radio_read16(dev, 0x0052);
- backup[1] = b43legacy_phy_read(dev, 0x0015);
- backup[16] = b43legacy_phy_read(dev, 0x005A);
- backup[17] = b43legacy_phy_read(dev, 0x0059);
- backup[18] = b43legacy_phy_read(dev, 0x0058);
- if (phy->type == B43legacy_PHYTYPE_B) {
- backup[2] = b43legacy_phy_read(dev, 0x0030);
- backup[3] = b43legacy_read16(dev, 0x03EC);
- b43legacy_phy_write(dev, 0x0030, 0x00FF);
- b43legacy_write16(dev, 0x03EC, 0x3F3F);
- } else {
- if (phy->gmode) {
- backup[4] = b43legacy_phy_read(dev, 0x0811);
- backup[5] = b43legacy_phy_read(dev, 0x0812);
- backup[6] = b43legacy_phy_read(dev, 0x0814);
- backup[7] = b43legacy_phy_read(dev, 0x0815);
- backup[8] = b43legacy_phy_read(dev,
- B43legacy_PHY_G_CRS);
- backup[9] = b43legacy_phy_read(dev, 0x0802);
- b43legacy_phy_write(dev, 0x0814,
- (b43legacy_phy_read(dev, 0x0814)
- | 0x0003));
- b43legacy_phy_write(dev, 0x0815,
- (b43legacy_phy_read(dev, 0x0815)
- & 0xFFFC));
- b43legacy_phy_write(dev, B43legacy_PHY_G_CRS,
- (b43legacy_phy_read(dev,
- B43legacy_PHY_G_CRS) & 0x7FFF));
- b43legacy_phy_write(dev, 0x0802,
- (b43legacy_phy_read(dev, 0x0802)
- & 0xFFFC));
- if (phy->rev > 1) { /* loopback gain enabled */
- backup[19] = b43legacy_phy_read(dev, 0x080F);
- backup[20] = b43legacy_phy_read(dev, 0x0810);
- if (phy->rev >= 3)
- b43legacy_phy_write(dev, 0x080F,
- 0xC020);
- else
- b43legacy_phy_write(dev, 0x080F,
- 0x8020);
- b43legacy_phy_write(dev, 0x0810, 0x0000);
- }
- b43legacy_phy_write(dev, 0x0812,
- b43legacy_get_812_value(dev,
- LPD(0, 1, 1)));
- if (phy->rev < 7 ||
- !(dev->dev->bus->sprom.boardflags_lo
- & B43legacy_BFL_EXTLNA))
- b43legacy_phy_write(dev, 0x0811, 0x01B3);
- else
- b43legacy_phy_write(dev, 0x0811, 0x09B3);
- }
- }
- b43legacy_write16(dev, B43legacy_MMIO_PHY_RADIO,
- (b43legacy_read16(dev, B43legacy_MMIO_PHY_RADIO)
- | 0x8000));
- backup[10] = b43legacy_phy_read(dev, 0x0035);
- b43legacy_phy_write(dev, 0x0035,
- (b43legacy_phy_read(dev, 0x0035) & 0xFF7F));
- backup[11] = b43legacy_read16(dev, 0x03E6);
- backup[12] = b43legacy_read16(dev, B43legacy_MMIO_CHANNEL_EXT);
-
- /* Initialization */
- if (phy->analog == 0)
- b43legacy_write16(dev, 0x03E6, 0x0122);
- else {
- if (phy->analog >= 2)
- b43legacy_phy_write(dev, 0x0003,
- (b43legacy_phy_read(dev, 0x0003)
- & 0xFFBF) | 0x0040);
- b43legacy_write16(dev, B43legacy_MMIO_CHANNEL_EXT,
- (b43legacy_read16(dev,
- B43legacy_MMIO_CHANNEL_EXT) | 0x2000));
- }
-
- ret = b43legacy_radio_calibrationvalue(dev);
-
- if (phy->type == B43legacy_PHYTYPE_B)
- b43legacy_radio_write16(dev, 0x0078, 0x0026);
-
- if (phy->gmode)
- b43legacy_phy_write(dev, 0x0812,
- b43legacy_get_812_value(dev,
- LPD(0, 1, 1)));
- b43legacy_phy_write(dev, 0x0015, 0xBFAF);
- b43legacy_phy_write(dev, 0x002B, 0x1403);
- if (phy->gmode)
- b43legacy_phy_write(dev, 0x0812,
- b43legacy_get_812_value(dev,
- LPD(0, 0, 1)));
- b43legacy_phy_write(dev, 0x0015, 0xBFA0);
- b43legacy_radio_write16(dev, 0x0051,
- (b43legacy_radio_read16(dev, 0x0051)
- | 0x0004));
- if (phy->radio_rev == 8)
- b43legacy_radio_write16(dev, 0x0043, 0x001F);
- else {
- b43legacy_radio_write16(dev, 0x0052, 0x0000);
- b43legacy_radio_write16(dev, 0x0043,
- (b43legacy_radio_read16(dev, 0x0043)
- & 0xFFF0) | 0x0009);
- }
- b43legacy_phy_write(dev, 0x0058, 0x0000);
-
- for (i = 0; i < 16; i++) {
- b43legacy_phy_write(dev, 0x005A, 0x0480);
- b43legacy_phy_write(dev, 0x0059, 0xC810);
- b43legacy_phy_write(dev, 0x0058, 0x000D);
- if (phy->gmode)
- b43legacy_phy_write(dev, 0x0812,
- b43legacy_get_812_value(dev,
- LPD(1, 0, 1)));
- b43legacy_phy_write(dev, 0x0015, 0xAFB0);
- udelay(10);
- if (phy->gmode)
- b43legacy_phy_write(dev, 0x0812,
- b43legacy_get_812_value(dev,
- LPD(1, 0, 1)));
- b43legacy_phy_write(dev, 0x0015, 0xEFB0);
- udelay(10);
- if (phy->gmode)
- b43legacy_phy_write(dev, 0x0812,
- b43legacy_get_812_value(dev,
- LPD(1, 0, 0)));
- b43legacy_phy_write(dev, 0x0015, 0xFFF0);
- udelay(20);
- tmp1 += b43legacy_phy_read(dev, 0x002D);
- b43legacy_phy_write(dev, 0x0058, 0x0000);
- if (phy->gmode)
- b43legacy_phy_write(dev, 0x0812,
- b43legacy_get_812_value(dev,
- LPD(1, 0, 1)));
- b43legacy_phy_write(dev, 0x0015, 0xAFB0);
- }
-
- tmp1++;
- tmp1 >>= 9;
- udelay(10);
- b43legacy_phy_write(dev, 0x0058, 0x0000);
-
- for (i = 0; i < 16; i++) {
- b43legacy_radio_write16(dev, 0x0078, (flip_4bit(i) << 1)
- | 0x0020);
- backup[13] = b43legacy_radio_read16(dev, 0x0078);
- udelay(10);
- for (j = 0; j < 16; j++) {
- b43legacy_phy_write(dev, 0x005A, 0x0D80);
- b43legacy_phy_write(dev, 0x0059, 0xC810);
- b43legacy_phy_write(dev, 0x0058, 0x000D);
- if (phy->gmode)
- b43legacy_phy_write(dev, 0x0812,
- b43legacy_get_812_value(dev,
- LPD(1, 0, 1)));
- b43legacy_phy_write(dev, 0x0015, 0xAFB0);
- udelay(10);
- if (phy->gmode)
- b43legacy_phy_write(dev, 0x0812,
- b43legacy_get_812_value(dev,
- LPD(1, 0, 1)));
- b43legacy_phy_write(dev, 0x0015, 0xEFB0);
- udelay(10);
- if (phy->gmode)
- b43legacy_phy_write(dev, 0x0812,
- b43legacy_get_812_value(dev,
- LPD(1, 0, 0)));
- b43legacy_phy_write(dev, 0x0015, 0xFFF0);
- udelay(10);
- tmp2 += b43legacy_phy_read(dev, 0x002D);
- b43legacy_phy_write(dev, 0x0058, 0x0000);
- if (phy->gmode)
- b43legacy_phy_write(dev, 0x0812,
- b43legacy_get_812_value(dev,
- LPD(1, 0, 1)));
- b43legacy_phy_write(dev, 0x0015, 0xAFB0);
- }
- tmp2++;
- tmp2 >>= 8;
- if (tmp1 < tmp2)
- break;
- }
-
- /* Restore the registers */
- b43legacy_phy_write(dev, 0x0015, backup[1]);
- b43legacy_radio_write16(dev, 0x0051, backup[14]);
- b43legacy_radio_write16(dev, 0x0052, backup[15]);
- b43legacy_radio_write16(dev, 0x0043, backup[0]);
- b43legacy_phy_write(dev, 0x005A, backup[16]);
- b43legacy_phy_write(dev, 0x0059, backup[17]);
- b43legacy_phy_write(dev, 0x0058, backup[18]);
- b43legacy_write16(dev, 0x03E6, backup[11]);
- if (phy->analog != 0)
- b43legacy_write16(dev, B43legacy_MMIO_CHANNEL_EXT, backup[12]);
- b43legacy_phy_write(dev, 0x0035, backup[10]);
- b43legacy_radio_selectchannel(dev, phy->channel, 1);
- if (phy->type == B43legacy_PHYTYPE_B) {
- b43legacy_phy_write(dev, 0x0030, backup[2]);
- b43legacy_write16(dev, 0x03EC, backup[3]);
- } else {
- if (phy->gmode) {
- b43legacy_write16(dev, B43legacy_MMIO_PHY_RADIO,
- (b43legacy_read16(dev,
- B43legacy_MMIO_PHY_RADIO) & 0x7FFF));
- b43legacy_phy_write(dev, 0x0811, backup[4]);
- b43legacy_phy_write(dev, 0x0812, backup[5]);
- b43legacy_phy_write(dev, 0x0814, backup[6]);
- b43legacy_phy_write(dev, 0x0815, backup[7]);
- b43legacy_phy_write(dev, B43legacy_PHY_G_CRS,
- backup[8]);
- b43legacy_phy_write(dev, 0x0802, backup[9]);
- if (phy->rev > 1) {
- b43legacy_phy_write(dev, 0x080F, backup[19]);
- b43legacy_phy_write(dev, 0x0810, backup[20]);
- }
- }
- }
- if (i >= 15)
- ret = backup[13];
-
- return ret;
-}
-
-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;
-}
-
-int b43legacy_radio_selectchannel(struct b43legacy_wldev *dev,
- u8 channel,
- int synthetic_pu_workaround)
-{
- struct b43legacy_phy *phy = &dev->phy;
-
- if (channel == 0xFF) {
- switch (phy->type) {
- case B43legacy_PHYTYPE_B:
- case B43legacy_PHYTYPE_G:
- channel = B43legacy_RADIO_DEFAULT_CHANNEL_BG;
- break;
- default:
- B43legacy_WARN_ON(1);
- }
- }
-
-/* TODO: Check if channel is valid - return -EINVAL if not */
- if (synthetic_pu_workaround)
- b43legacy_synth_pu_workaround(dev, channel);
-
- b43legacy_write16(dev, B43legacy_MMIO_CHANNEL,
- channel2freq_bg(channel));
-
- if (channel == 14) {
- if (dev->dev->bus->sprom.country_code == 5) /* JAPAN) */
- b43legacy_shm_write32(dev, B43legacy_SHM_SHARED,
- B43legacy_UCODEFLAGS_OFFSET,
- b43legacy_shm_read32(dev,
- B43legacy_SHM_SHARED,
- B43legacy_UCODEFLAGS_OFFSET)
- & ~(1 << 7));
- else
- b43legacy_shm_write32(dev, B43legacy_SHM_SHARED,
- B43legacy_UCODEFLAGS_OFFSET,
- b43legacy_shm_read32(dev,
- B43legacy_SHM_SHARED,
- B43legacy_UCODEFLAGS_OFFSET)
- | (1 << 7));
- b43legacy_write16(dev, B43legacy_MMIO_CHANNEL_EXT,
- b43legacy_read16(dev,
- B43legacy_MMIO_CHANNEL_EXT) | (1 << 11));
- } else
- b43legacy_write16(dev, B43legacy_MMIO_CHANNEL_EXT,
- b43legacy_read16(dev,
- B43legacy_MMIO_CHANNEL_EXT) & 0xF7BF);
-
- phy->channel = channel;
- /*XXX: Using the longer of 2 timeouts (8000 vs 2000 usecs). Specs states
- * that 2000 usecs might suffice. */
- msleep(8);
-
- return 0;
-}
-
-void b43legacy_radio_set_txantenna(struct b43legacy_wldev *dev, u32 val)
-{
- u16 tmp;
-
- val <<= 8;
- tmp = b43legacy_shm_read16(dev, B43legacy_SHM_SHARED, 0x0022) & 0xFCFF;
- b43legacy_shm_write16(dev, B43legacy_SHM_SHARED, 0x0022, tmp | val);
- tmp = b43legacy_shm_read16(dev, B43legacy_SHM_SHARED, 0x03A8) & 0xFCFF;
- b43legacy_shm_write16(dev, B43legacy_SHM_SHARED, 0x03A8, tmp | val);
- tmp = b43legacy_shm_read16(dev, B43legacy_SHM_SHARED, 0x0054) & 0xFCFF;
- b43legacy_shm_write16(dev, B43legacy_SHM_SHARED, 0x0054, tmp | val);
-}
-
-/* http://bcm-specs.sipsolutions.net/TX_Gain_Base_Band */
-static u16 b43legacy_get_txgain_base_band(u16 txpower)
-{
- u16 ret;
-
- B43legacy_WARN_ON(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 b43legacy_get_txgain_freq_power_amp(u16 txpower)
-{
- u16 ret;
-
- B43legacy_WARN_ON(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 b43legacy_get_txgain_dac(u16 txpower)
-{
- u16 ret;
-
- B43legacy_WARN_ON(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 b43legacy_radio_set_txpower_a(struct b43legacy_wldev *dev, u16 txpower)
-{
- struct b43legacy_phy *phy = &dev->phy;
- u16 pamp;
- u16 base;
- u16 dac;
- u16 ilt;
-
- txpower = clamp_val(txpower, 0, 63);
-
- pamp = b43legacy_get_txgain_freq_power_amp(txpower);
- pamp <<= 5;
- pamp &= 0x00E0;
- b43legacy_phy_write(dev, 0x0019, pamp);
-
- base = b43legacy_get_txgain_base_band(txpower);
- base &= 0x000F;
- b43legacy_phy_write(dev, 0x0017, base | 0x0020);
-
- ilt = b43legacy_ilt_read(dev, 0x3001);
- ilt &= 0x0007;
-
- dac = b43legacy_get_txgain_dac(txpower);
- dac <<= 3;
- dac |= ilt;
-
- b43legacy_ilt_write(dev, 0x3001, dac);
-
- phy->txpwr_offset = txpower;
-
- /* TODO: FuncPlaceholder (Adjust BB loft cancel) */
-}
-
-void b43legacy_radio_set_txpower_bg(struct b43legacy_wldev *dev,
- u16 baseband_attenuation,
- u16 radio_attenuation,
- u16 txpower)
-{
- struct b43legacy_phy *phy = &dev->phy;
-
- if (baseband_attenuation == 0xFFFF)
- baseband_attenuation = phy->bbatt;
- if (radio_attenuation == 0xFFFF)
- radio_attenuation = phy->rfatt;
- if (txpower == 0xFFFF)
- txpower = phy->txctl1;
- phy->bbatt = baseband_attenuation;
- phy->rfatt = radio_attenuation;
- phy->txctl1 = txpower;
-
- B43legacy_WARN_ON(baseband_attenuation > 11);
- if (phy->radio_rev < 6)
- B43legacy_WARN_ON(radio_attenuation > 9);
- else
- B43legacy_WARN_ON(radio_attenuation > 31);
- B43legacy_WARN_ON(txpower > 7);
-
- b43legacy_phy_set_baseband_attenuation(dev, baseband_attenuation);
- b43legacy_radio_write16(dev, 0x0043, radio_attenuation);
- b43legacy_shm_write16(dev, B43legacy_SHM_SHARED, 0x0064,
- radio_attenuation);
- if (phy->radio_ver == 0x2050)
- b43legacy_radio_write16(dev, 0x0052,
- (b43legacy_radio_read16(dev, 0x0052)
- & ~0x0070) | ((txpower << 4) & 0x0070));
- /* FIXME: The spec is very weird and unclear here. */
- if (phy->type == B43legacy_PHYTYPE_G)
- b43legacy_phy_lo_adjust(dev, 0);
-}
-
-u16 b43legacy_default_baseband_attenuation(struct b43legacy_wldev *dev)
-{
- struct b43legacy_phy *phy = &dev->phy;
-
- if (phy->radio_ver == 0x2050 && phy->radio_rev < 6)
- return 0;
- return 2;
-}
-
-u16 b43legacy_default_radio_attenuation(struct b43legacy_wldev *dev)
-{
- struct b43legacy_phy *phy = &dev->phy;
- u16 att = 0xFFFF;
-
- switch (phy->radio_ver) {
- case 0x2053:
- switch (phy->radio_rev) {
- case 1:
- att = 6;
- break;
- }
- break;
- case 0x2050:
- switch (phy->radio_rev) {
- case 0:
- att = 5;
- break;
- case 1:
- if (phy->type == B43legacy_PHYTYPE_G) {
- if (is_bcm_board_vendor(dev) &&
- dev->dev->bus->boardinfo.type == 0x421 &&
- dev->dev->bus->sprom.board_rev >= 30)
- att = 3;
- else if (is_bcm_board_vendor(dev) &&
- dev->dev->bus->boardinfo.type == 0x416)
- att = 3;
- else
- att = 1;
- } else {
- if (is_bcm_board_vendor(dev) &&
- dev->dev->bus->boardinfo.type == 0x421 &&
- dev->dev->bus->sprom.board_rev >= 30)
- att = 7;
- else
- att = 6;
- }
- break;
- case 2:
- if (phy->type == B43legacy_PHYTYPE_G) {
- if (is_bcm_board_vendor(dev) &&
- dev->dev->bus->boardinfo.type == 0x421 &&
- dev->dev->bus->sprom.board_rev >= 30)
- att = 3;
- else if (is_bcm_board_vendor(dev) &&
- dev->dev->bus->boardinfo.type ==
- 0x416)
- att = 5;
- else if (dev->dev->bus->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 (is_bcm_board_vendor(dev) &&
- dev->dev->bus->boardinfo.type == 0x421) {
- if (dev->dev->bus->sprom.board_rev < 0x43)
- att = 2;
- else if (dev->dev->bus->sprom.board_rev < 0x51)
- att = 3;
- }
- if (att == 0xFFFF)
- att = 5;
-
- return att;
-}
-
-u16 b43legacy_default_txctl1(struct b43legacy_wldev *dev)
-{
- struct b43legacy_phy *phy = &dev->phy;
-
- if (phy->radio_ver != 0x2050)
- return 0;
- if (phy->radio_rev == 1)
- return 3;
- if (phy->radio_rev < 6)
- return 2;
- if (phy->radio_rev == 8)
- return 1;
- return 0;
-}
-
-void b43legacy_radio_turn_on(struct b43legacy_wldev *dev)
-{
- struct b43legacy_phy *phy = &dev->phy;
- int err;
- u8 channel;
-
- might_sleep();
-
- if (phy->radio_on)
- return;
-
- switch (phy->type) {
- case B43legacy_PHYTYPE_B:
- case B43legacy_PHYTYPE_G:
- b43legacy_phy_write(dev, 0x0015, 0x8000);
- b43legacy_phy_write(dev, 0x0015, 0xCC00);
- b43legacy_phy_write(dev, 0x0015,
- (phy->gmode ? 0x00C0 : 0x0000));
- if (phy->radio_off_context.valid) {
- /* Restore the RFover values. */
- b43legacy_phy_write(dev, B43legacy_PHY_RFOVER,
- phy->radio_off_context.rfover);
- b43legacy_phy_write(dev, B43legacy_PHY_RFOVERVAL,
- phy->radio_off_context.rfoverval);
- phy->radio_off_context.valid = false;
- }
- channel = phy->channel;
- err = b43legacy_radio_selectchannel(dev,
- B43legacy_RADIO_DEFAULT_CHANNEL_BG, 1);
- err |= b43legacy_radio_selectchannel(dev, channel, 0);
- B43legacy_WARN_ON(err);
- break;
- default:
- B43legacy_BUG_ON(1);
- }
- phy->radio_on = true;
-}
-
-void b43legacy_radio_turn_off(struct b43legacy_wldev *dev, bool force)
-{
- struct b43legacy_phy *phy = &dev->phy;
-
- if (!phy->radio_on && !force)
- return;
-
- if (phy->type == B43legacy_PHYTYPE_G && dev->dev->id.revision >= 5) {
- u16 rfover, rfoverval;
-
- rfover = b43legacy_phy_read(dev, B43legacy_PHY_RFOVER);
- rfoverval = b43legacy_phy_read(dev, B43legacy_PHY_RFOVERVAL);
- if (!force) {
- phy->radio_off_context.rfover = rfover;
- phy->radio_off_context.rfoverval = rfoverval;
- phy->radio_off_context.valid = true;
- }
- b43legacy_phy_write(dev, B43legacy_PHY_RFOVER, rfover | 0x008C);
- b43legacy_phy_write(dev, B43legacy_PHY_RFOVERVAL,
- rfoverval & 0xFF73);
- } else
- b43legacy_phy_write(dev, 0x0015, 0xAA00);
- phy->radio_on = false;
- b43legacydbg(dev->wl, "Radio initialized\n");
-}
-
-void b43legacy_radio_clear_tssi(struct b43legacy_wldev *dev)
-{
- struct b43legacy_phy *phy = &dev->phy;
-
- switch (phy->type) {
- case B43legacy_PHYTYPE_B:
- case B43legacy_PHYTYPE_G:
- b43legacy_shm_write16(dev, B43legacy_SHM_SHARED, 0x0058,
- 0x7F7F);
- b43legacy_shm_write16(dev, B43legacy_SHM_SHARED, 0x005a,
- 0x7F7F);
- b43legacy_shm_write16(dev, B43legacy_SHM_SHARED, 0x0070,
- 0x7F7F);
- b43legacy_shm_write16(dev, B43legacy_SHM_SHARED, 0x0072,
- 0x7F7F);
- break;
- }
-}
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