blob: 058a9f2320503ef623748ed595ccbfdb8dbd9414 [file] [log] [blame]
/*
Broadcom B43 wireless driver
IEEE 802.11a/g LP-PHY driver
Copyright (c) 2008-2009 Michael Buesch <m@bues.ch>
Copyright (c) 2009 Gábor Stefanik <netrolller.3d@gmail.com>
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/slab.h>
#include "b43.h"
#include "main.h"
#include "phy_lp.h"
#include "phy_common.h"
#include "tables_lpphy.h"
static inline u16 channel2freq_lp(u8 channel)
{
if (channel < 14)
return (2407 + 5 * channel);
else if (channel == 14)
return 2484;
else if (channel < 184)
return (5000 + 5 * channel);
else
return (4000 + 5 * channel);
}
static unsigned int b43_lpphy_op_get_default_chan(struct b43_wldev *dev)
{
if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ)
return 1;
return 36;
}
static int b43_lpphy_op_allocate(struct b43_wldev *dev)
{
struct b43_phy_lp *lpphy;
lpphy = kzalloc(sizeof(*lpphy), GFP_KERNEL);
if (!lpphy)
return -ENOMEM;
dev->phy.lp = lpphy;
return 0;
}
static void b43_lpphy_op_prepare_structs(struct b43_wldev *dev)
{
struct b43_phy *phy = &dev->phy;
struct b43_phy_lp *lpphy = phy->lp;
memset(lpphy, 0, sizeof(*lpphy));
lpphy->antenna = B43_ANTENNA_DEFAULT;
//TODO
}
static void b43_lpphy_op_free(struct b43_wldev *dev)
{
struct b43_phy_lp *lpphy = dev->phy.lp;
kfree(lpphy);
dev->phy.lp = NULL;
}
/* http://bcm-v4.sipsolutions.net/802.11/PHY/LP/ReadBandSrom */
static void lpphy_read_band_sprom(struct b43_wldev *dev)
{
struct ssb_sprom *sprom = dev->dev->bus_sprom;
struct b43_phy_lp *lpphy = dev->phy.lp;
u16 cckpo, maxpwr;
u32 ofdmpo;
int i;
if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ) {
lpphy->tx_isolation_med_band = sprom->tri2g;
lpphy->bx_arch = sprom->bxa2g;
lpphy->rx_pwr_offset = sprom->rxpo2g;
lpphy->rssi_vf = sprom->rssismf2g;
lpphy->rssi_vc = sprom->rssismc2g;
lpphy->rssi_gs = sprom->rssisav2g;
lpphy->txpa[0] = sprom->pa0b0;
lpphy->txpa[1] = sprom->pa0b1;
lpphy->txpa[2] = sprom->pa0b2;
maxpwr = sprom->maxpwr_bg;
lpphy->max_tx_pwr_med_band = maxpwr;
cckpo = sprom->cck2gpo;
if (cckpo) {
ofdmpo = sprom->ofdm2gpo;
for (i = 0; i < 4; i++) {
lpphy->tx_max_rate[i] =
maxpwr - (ofdmpo & 0xF) * 2;
ofdmpo >>= 4;
}
ofdmpo = sprom->ofdm2gpo;
for (i = 4; i < 15; i++) {
lpphy->tx_max_rate[i] =
maxpwr - (ofdmpo & 0xF) * 2;
ofdmpo >>= 4;
}
} else {
u8 opo = sprom->opo;
for (i = 0; i < 4; i++)
lpphy->tx_max_rate[i] = maxpwr;
for (i = 4; i < 15; i++)
lpphy->tx_max_rate[i] = maxpwr - opo;
}
} else { /* 5GHz */
lpphy->tx_isolation_low_band = sprom->tri5gl;
lpphy->tx_isolation_med_band = sprom->tri5g;
lpphy->tx_isolation_hi_band = sprom->tri5gh;
lpphy->bx_arch = sprom->bxa5g;
lpphy->rx_pwr_offset = sprom->rxpo5g;
lpphy->rssi_vf = sprom->rssismf5g;
lpphy->rssi_vc = sprom->rssismc5g;
lpphy->rssi_gs = sprom->rssisav5g;
lpphy->txpa[0] = sprom->pa1b0;
lpphy->txpa[1] = sprom->pa1b1;
lpphy->txpa[2] = sprom->pa1b2;
lpphy->txpal[0] = sprom->pa1lob0;
lpphy->txpal[1] = sprom->pa1lob1;
lpphy->txpal[2] = sprom->pa1lob2;
lpphy->txpah[0] = sprom->pa1hib0;
lpphy->txpah[1] = sprom->pa1hib1;
lpphy->txpah[2] = sprom->pa1hib2;
maxpwr = sprom->maxpwr_al;
ofdmpo = sprom->ofdm5glpo;
lpphy->max_tx_pwr_low_band = maxpwr;
for (i = 4; i < 12; i++) {
lpphy->tx_max_ratel[i] = maxpwr - (ofdmpo & 0xF) * 2;
ofdmpo >>= 4;
}
maxpwr = sprom->maxpwr_a;
ofdmpo = sprom->ofdm5gpo;
lpphy->max_tx_pwr_med_band = maxpwr;
for (i = 4; i < 12; i++) {
lpphy->tx_max_rate[i] = maxpwr - (ofdmpo & 0xF) * 2;
ofdmpo >>= 4;
}
maxpwr = sprom->maxpwr_ah;
ofdmpo = sprom->ofdm5ghpo;
lpphy->max_tx_pwr_hi_band = maxpwr;
for (i = 4; i < 12; i++) {
lpphy->tx_max_rateh[i] = maxpwr - (ofdmpo & 0xF) * 2;
ofdmpo >>= 4;
}
}
}
static void lpphy_adjust_gain_table(struct b43_wldev *dev, u32 freq)
{
struct b43_phy_lp *lpphy = dev->phy.lp;
u16 temp[3];
u16 isolation;
B43_WARN_ON(dev->phy.rev >= 2);
if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ)
isolation = lpphy->tx_isolation_med_band;
else if (freq <= 5320)
isolation = lpphy->tx_isolation_low_band;
else if (freq <= 5700)
isolation = lpphy->tx_isolation_med_band;
else
isolation = lpphy->tx_isolation_hi_band;
temp[0] = ((isolation - 26) / 12) << 12;
temp[1] = temp[0] + 0x1000;
temp[2] = temp[0] + 0x2000;
b43_lptab_write_bulk(dev, B43_LPTAB16(13, 0), 3, temp);
b43_lptab_write_bulk(dev, B43_LPTAB16(12, 0), 3, temp);
}
static void lpphy_table_init(struct b43_wldev *dev)
{
u32 freq = channel2freq_lp(b43_lpphy_op_get_default_chan(dev));
if (dev->phy.rev < 2)
lpphy_rev0_1_table_init(dev);
else
lpphy_rev2plus_table_init(dev);
lpphy_init_tx_gain_table(dev);
if (dev->phy.rev < 2)
lpphy_adjust_gain_table(dev, freq);
}
static void lpphy_baseband_rev0_1_init(struct b43_wldev *dev)
{
struct ssb_bus *bus = dev->dev->sdev->bus;
struct ssb_sprom *sprom = dev->dev->bus_sprom;
struct b43_phy_lp *lpphy = dev->phy.lp;
u16 tmp, tmp2;
b43_phy_mask(dev, B43_LPPHY_AFE_DAC_CTL, 0xF7FF);
b43_phy_write(dev, B43_LPPHY_AFE_CTL, 0);
b43_phy_write(dev, B43_LPPHY_AFE_CTL_OVR, 0);
b43_phy_write(dev, B43_LPPHY_RF_OVERRIDE_0, 0);
b43_phy_write(dev, B43_LPPHY_RF_OVERRIDE_2, 0);
b43_phy_set(dev, B43_LPPHY_AFE_DAC_CTL, 0x0004);
b43_phy_maskset(dev, B43_LPPHY_OFDMSYNCTHRESH0, 0xFF00, 0x0078);
b43_phy_maskset(dev, B43_LPPHY_CLIPCTRTHRESH, 0x83FF, 0x5800);
b43_phy_write(dev, B43_LPPHY_ADC_COMPENSATION_CTL, 0x0016);
b43_phy_maskset(dev, B43_LPPHY_AFE_ADC_CTL_0, 0xFFF8, 0x0004);
b43_phy_maskset(dev, B43_LPPHY_VERYLOWGAINDB, 0x00FF, 0x5400);
b43_phy_maskset(dev, B43_LPPHY_HIGAINDB, 0x00FF, 0x2400);
b43_phy_maskset(dev, B43_LPPHY_LOWGAINDB, 0x00FF, 0x2100);
b43_phy_maskset(dev, B43_LPPHY_VERYLOWGAINDB, 0xFF00, 0x0006);
b43_phy_mask(dev, B43_LPPHY_RX_RADIO_CTL, 0xFFFE);
b43_phy_maskset(dev, B43_LPPHY_CLIPCTRTHRESH, 0xFFE0, 0x0005);
b43_phy_maskset(dev, B43_LPPHY_CLIPCTRTHRESH, 0xFC1F, 0x0180);
b43_phy_maskset(dev, B43_LPPHY_CLIPCTRTHRESH, 0x83FF, 0x3C00);
b43_phy_maskset(dev, B43_LPPHY_GAINDIRECTMISMATCH, 0xFFF0, 0x0005);
b43_phy_maskset(dev, B43_LPPHY_GAIN_MISMATCH_LIMIT, 0xFFC0, 0x001A);
b43_phy_maskset(dev, B43_LPPHY_CRS_ED_THRESH, 0xFF00, 0x00B3);
b43_phy_maskset(dev, B43_LPPHY_CRS_ED_THRESH, 0x00FF, 0xAD00);
b43_phy_maskset(dev, B43_LPPHY_INPUT_PWRDB,
0xFF00, lpphy->rx_pwr_offset);
if ((sprom->boardflags_lo & B43_BFL_FEM) &&
((b43_current_band(dev->wl) == IEEE80211_BAND_5GHZ) ||
(sprom->boardflags_hi & B43_BFH_PAREF))) {
ssb_pmu_set_ldo_voltage(&bus->chipco, LDO_PAREF, 0x28);
ssb_pmu_set_ldo_paref(&bus->chipco, true);
if (dev->phy.rev == 0) {
b43_phy_maskset(dev, B43_LPPHY_LP_RF_SIGNAL_LUT,
0xFFCF, 0x0010);
}
b43_lptab_write(dev, B43_LPTAB16(11, 7), 60);
} else {
ssb_pmu_set_ldo_paref(&bus->chipco, false);
b43_phy_maskset(dev, B43_LPPHY_LP_RF_SIGNAL_LUT,
0xFFCF, 0x0020);
b43_lptab_write(dev, B43_LPTAB16(11, 7), 100);
}
tmp = lpphy->rssi_vf | lpphy->rssi_vc << 4 | 0xA000;
b43_phy_write(dev, B43_LPPHY_AFE_RSSI_CTL_0, tmp);
if (sprom->boardflags_hi & B43_BFH_RSSIINV)
b43_phy_maskset(dev, B43_LPPHY_AFE_RSSI_CTL_1, 0xF000, 0x0AAA);
else
b43_phy_maskset(dev, B43_LPPHY_AFE_RSSI_CTL_1, 0xF000, 0x02AA);
b43_lptab_write(dev, B43_LPTAB16(11, 1), 24);
b43_phy_maskset(dev, B43_LPPHY_RX_RADIO_CTL,
0xFFF9, (lpphy->bx_arch << 1));
if (dev->phy.rev == 1 &&
(sprom->boardflags_hi & B43_BFH_FEM_BT)) {
b43_phy_maskset(dev, B43_LPPHY_TR_LOOKUP_1, 0xFFC0, 0x000A);
b43_phy_maskset(dev, B43_LPPHY_TR_LOOKUP_1, 0x3F00, 0x0900);
b43_phy_maskset(dev, B43_LPPHY_TR_LOOKUP_2, 0xFFC0, 0x000A);
b43_phy_maskset(dev, B43_LPPHY_TR_LOOKUP_2, 0xC0FF, 0x0B00);
b43_phy_maskset(dev, B43_LPPHY_TR_LOOKUP_3, 0xFFC0, 0x000A);
b43_phy_maskset(dev, B43_LPPHY_TR_LOOKUP_3, 0xC0FF, 0x0400);
b43_phy_maskset(dev, B43_LPPHY_TR_LOOKUP_4, 0xFFC0, 0x000A);
b43_phy_maskset(dev, B43_LPPHY_TR_LOOKUP_4, 0xC0FF, 0x0B00);
b43_phy_maskset(dev, B43_LPPHY_TR_LOOKUP_5, 0xFFC0, 0x000A);
b43_phy_maskset(dev, B43_LPPHY_TR_LOOKUP_5, 0xC0FF, 0x0900);
b43_phy_maskset(dev, B43_LPPHY_TR_LOOKUP_6, 0xFFC0, 0x000A);
b43_phy_maskset(dev, B43_LPPHY_TR_LOOKUP_6, 0xC0FF, 0x0B00);
b43_phy_maskset(dev, B43_LPPHY_TR_LOOKUP_7, 0xFFC0, 0x000A);
b43_phy_maskset(dev, B43_LPPHY_TR_LOOKUP_7, 0xC0FF, 0x0900);
b43_phy_maskset(dev, B43_LPPHY_TR_LOOKUP_8, 0xFFC0, 0x000A);
b43_phy_maskset(dev, B43_LPPHY_TR_LOOKUP_8, 0xC0FF, 0x0B00);
} else if (b43_current_band(dev->wl) == IEEE80211_BAND_5GHZ ||
(dev->dev->board_type == SSB_BOARD_BU4312) ||
(dev->phy.rev == 0 && (sprom->boardflags_lo & B43_BFL_FEM))) {
b43_phy_maskset(dev, B43_LPPHY_TR_LOOKUP_1, 0xFFC0, 0x0001);
b43_phy_maskset(dev, B43_LPPHY_TR_LOOKUP_1, 0xC0FF, 0x0400);
b43_phy_maskset(dev, B43_LPPHY_TR_LOOKUP_2, 0xFFC0, 0x0001);
b43_phy_maskset(dev, B43_LPPHY_TR_LOOKUP_2, 0xC0FF, 0x0500);
b43_phy_maskset(dev, B43_LPPHY_TR_LOOKUP_3, 0xFFC0, 0x0002);
b43_phy_maskset(dev, B43_LPPHY_TR_LOOKUP_3, 0xC0FF, 0x0800);
b43_phy_maskset(dev, B43_LPPHY_TR_LOOKUP_4, 0xFFC0, 0x0002);
b43_phy_maskset(dev, B43_LPPHY_TR_LOOKUP_4, 0xC0FF, 0x0A00);
} else if (dev->phy.rev == 1 ||
(sprom->boardflags_lo & B43_BFL_FEM)) {
b43_phy_maskset(dev, B43_LPPHY_TR_LOOKUP_1, 0xFFC0, 0x0004);
b43_phy_maskset(dev, B43_LPPHY_TR_LOOKUP_1, 0xC0FF, 0x0800);
b43_phy_maskset(dev, B43_LPPHY_TR_LOOKUP_2, 0xFFC0, 0x0004);
b43_phy_maskset(dev, B43_LPPHY_TR_LOOKUP_2, 0xC0FF, 0x0C00);
b43_phy_maskset(dev, B43_LPPHY_TR_LOOKUP_3, 0xFFC0, 0x0002);
b43_phy_maskset(dev, B43_LPPHY_TR_LOOKUP_3, 0xC0FF, 0x0100);
b43_phy_maskset(dev, B43_LPPHY_TR_LOOKUP_4, 0xFFC0, 0x0002);
b43_phy_maskset(dev, B43_LPPHY_TR_LOOKUP_4, 0xC0FF, 0x0300);
} else {
b43_phy_maskset(dev, B43_LPPHY_TR_LOOKUP_1, 0xFFC0, 0x000A);
b43_phy_maskset(dev, B43_LPPHY_TR_LOOKUP_1, 0xC0FF, 0x0900);
b43_phy_maskset(dev, B43_LPPHY_TR_LOOKUP_2, 0xFFC0, 0x000A);
b43_phy_maskset(dev, B43_LPPHY_TR_LOOKUP_2, 0xC0FF, 0x0B00);
b43_phy_maskset(dev, B43_LPPHY_TR_LOOKUP_3, 0xFFC0, 0x0006);
b43_phy_maskset(dev, B43_LPPHY_TR_LOOKUP_3, 0xC0FF, 0x0500);
b43_phy_maskset(dev, B43_LPPHY_TR_LOOKUP_4, 0xFFC0, 0x0006);
b43_phy_maskset(dev, B43_LPPHY_TR_LOOKUP_4, 0xC0FF, 0x0700);
}
if (dev->phy.rev == 1 && (sprom->boardflags_hi & B43_BFH_PAREF)) {
b43_phy_copy(dev, B43_LPPHY_TR_LOOKUP_5, B43_LPPHY_TR_LOOKUP_1);
b43_phy_copy(dev, B43_LPPHY_TR_LOOKUP_6, B43_LPPHY_TR_LOOKUP_2);
b43_phy_copy(dev, B43_LPPHY_TR_LOOKUP_7, B43_LPPHY_TR_LOOKUP_3);
b43_phy_copy(dev, B43_LPPHY_TR_LOOKUP_8, B43_LPPHY_TR_LOOKUP_4);
}
if ((sprom->boardflags_hi & B43_BFH_FEM_BT) &&
(dev->dev->chip_id == 0x5354) &&
(dev->dev->chip_pkg == SSB_CHIPPACK_BCM4712S)) {
b43_phy_set(dev, B43_LPPHY_CRSGAIN_CTL, 0x0006);
b43_phy_write(dev, B43_LPPHY_GPIO_SELECT, 0x0005);
b43_phy_write(dev, B43_LPPHY_GPIO_OUTEN, 0xFFFF);
//FIXME the Broadcom driver caches & delays this HF write!
b43_hf_write(dev, b43_hf_read(dev) | B43_HF_PR45960W);
}
if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ) {
b43_phy_set(dev, B43_LPPHY_LP_PHY_CTL, 0x8000);
b43_phy_set(dev, B43_LPPHY_CRSGAIN_CTL, 0x0040);
b43_phy_maskset(dev, B43_LPPHY_MINPWR_LEVEL, 0x00FF, 0xA400);
b43_phy_maskset(dev, B43_LPPHY_CRSGAIN_CTL, 0xF0FF, 0x0B00);
b43_phy_maskset(dev, B43_LPPHY_SYNCPEAKCNT, 0xFFF8, 0x0007);
b43_phy_maskset(dev, B43_LPPHY_DSSS_CONFIRM_CNT, 0xFFF8, 0x0003);
b43_phy_maskset(dev, B43_LPPHY_DSSS_CONFIRM_CNT, 0xFFC7, 0x0020);
b43_phy_mask(dev, B43_LPPHY_IDLEAFTERPKTRXTO, 0x00FF);
} else { /* 5GHz */
b43_phy_mask(dev, B43_LPPHY_LP_PHY_CTL, 0x7FFF);
b43_phy_mask(dev, B43_LPPHY_CRSGAIN_CTL, 0xFFBF);
}
if (dev->phy.rev == 1) {
tmp = b43_phy_read(dev, B43_LPPHY_CLIPCTRTHRESH);
tmp2 = (tmp & 0x03E0) >> 5;
tmp2 |= tmp2 << 5;
b43_phy_write(dev, B43_LPPHY_4C3, tmp2);
tmp = b43_phy_read(dev, B43_LPPHY_GAINDIRECTMISMATCH);
tmp2 = (tmp & 0x1F00) >> 8;
tmp2 |= tmp2 << 5;
b43_phy_write(dev, B43_LPPHY_4C4, tmp2);
tmp = b43_phy_read(dev, B43_LPPHY_VERYLOWGAINDB);
tmp2 = tmp & 0x00FF;
tmp2 |= tmp << 8;
b43_phy_write(dev, B43_LPPHY_4C5, tmp2);
}
}
static void lpphy_save_dig_flt_state(struct b43_wldev *dev)
{
static const u16 addr[] = {
B43_PHY_OFDM(0xC1),
B43_PHY_OFDM(0xC2),
B43_PHY_OFDM(0xC3),
B43_PHY_OFDM(0xC4),
B43_PHY_OFDM(0xC5),
B43_PHY_OFDM(0xC6),
B43_PHY_OFDM(0xC7),
B43_PHY_OFDM(0xC8),
B43_PHY_OFDM(0xCF),
};
static const u16 coefs[] = {
0xDE5E, 0xE832, 0xE331, 0x4D26,
0x0026, 0x1420, 0x0020, 0xFE08,
0x0008,
};
struct b43_phy_lp *lpphy = dev->phy.lp;
int i;
for (i = 0; i < ARRAY_SIZE(addr); i++) {
lpphy->dig_flt_state[i] = b43_phy_read(dev, addr[i]);
b43_phy_write(dev, addr[i], coefs[i]);
}
}
static void lpphy_restore_dig_flt_state(struct b43_wldev *dev)
{
static const u16 addr[] = {
B43_PHY_OFDM(0xC1),
B43_PHY_OFDM(0xC2),
B43_PHY_OFDM(0xC3),
B43_PHY_OFDM(0xC4),
B43_PHY_OFDM(0xC5),
B43_PHY_OFDM(0xC6),
B43_PHY_OFDM(0xC7),
B43_PHY_OFDM(0xC8),
B43_PHY_OFDM(0xCF),
};
struct b43_phy_lp *lpphy = dev->phy.lp;
int i;
for (i = 0; i < ARRAY_SIZE(addr); i++)
b43_phy_write(dev, addr[i], lpphy->dig_flt_state[i]);
}
static void lpphy_baseband_rev2plus_init(struct b43_wldev *dev)
{
struct b43_phy_lp *lpphy = dev->phy.lp;
b43_phy_write(dev, B43_LPPHY_AFE_DAC_CTL, 0x50);
b43_phy_write(dev, B43_LPPHY_AFE_CTL, 0x8800);
b43_phy_write(dev, B43_LPPHY_AFE_CTL_OVR, 0);
b43_phy_write(dev, B43_LPPHY_AFE_CTL_OVRVAL, 0);
b43_phy_write(dev, B43_LPPHY_RF_OVERRIDE_0, 0);
b43_phy_write(dev, B43_LPPHY_RF_OVERRIDE_2, 0);
b43_phy_write(dev, B43_PHY_OFDM(0xF9), 0);
b43_phy_write(dev, B43_LPPHY_TR_LOOKUP_1, 0);
b43_phy_set(dev, B43_LPPHY_ADC_COMPENSATION_CTL, 0x10);
b43_phy_maskset(dev, B43_LPPHY_OFDMSYNCTHRESH0, 0xFF00, 0xB4);
b43_phy_maskset(dev, B43_LPPHY_DCOFFSETTRANSIENT, 0xF8FF, 0x200);
b43_phy_maskset(dev, B43_LPPHY_DCOFFSETTRANSIENT, 0xFF00, 0x7F);
b43_phy_maskset(dev, B43_LPPHY_GAINDIRECTMISMATCH, 0xFF0F, 0x40);
b43_phy_maskset(dev, B43_LPPHY_PREAMBLECONFIRMTO, 0xFF00, 0x2);
b43_phy_mask(dev, B43_LPPHY_CRSGAIN_CTL, ~0x4000);
b43_phy_mask(dev, B43_LPPHY_CRSGAIN_CTL, ~0x2000);
b43_phy_set(dev, B43_PHY_OFDM(0x10A), 0x1);
if (dev->dev->board_rev >= 0x18) {
b43_lptab_write(dev, B43_LPTAB32(17, 65), 0xEC);
b43_phy_maskset(dev, B43_PHY_OFDM(0x10A), 0xFF01, 0x14);
} else {
b43_phy_maskset(dev, B43_PHY_OFDM(0x10A), 0xFF01, 0x10);
}
b43_phy_maskset(dev, B43_PHY_OFDM(0xDF), 0xFF00, 0xF4);
b43_phy_maskset(dev, B43_PHY_OFDM(0xDF), 0x00FF, 0xF100);
b43_phy_write(dev, B43_LPPHY_CLIPTHRESH, 0x48);
b43_phy_maskset(dev, B43_LPPHY_HIGAINDB, 0xFF00, 0x46);
b43_phy_maskset(dev, B43_PHY_OFDM(0xE4), 0xFF00, 0x10);
b43_phy_maskset(dev, B43_LPPHY_PWR_THRESH1, 0xFFF0, 0x9);
b43_phy_mask(dev, B43_LPPHY_GAINDIRECTMISMATCH, ~0xF);
b43_phy_maskset(dev, B43_LPPHY_VERYLOWGAINDB, 0x00FF, 0x5500);
b43_phy_maskset(dev, B43_LPPHY_CLIPCTRTHRESH, 0xFC1F, 0xA0);
b43_phy_maskset(dev, B43_LPPHY_GAINDIRECTMISMATCH, 0xE0FF, 0x300);
b43_phy_maskset(dev, B43_LPPHY_HIGAINDB, 0x00FF, 0x2A00);
if ((dev->dev->chip_id == 0x4325) && (dev->dev->chip_rev == 0)) {
b43_phy_maskset(dev, B43_LPPHY_LOWGAINDB, 0x00FF, 0x2100);
b43_phy_maskset(dev, B43_LPPHY_VERYLOWGAINDB, 0xFF00, 0xA);
} else {
b43_phy_maskset(dev, B43_LPPHY_LOWGAINDB, 0x00FF, 0x1E00);
b43_phy_maskset(dev, B43_LPPHY_VERYLOWGAINDB, 0xFF00, 0xD);
}
b43_phy_maskset(dev, B43_PHY_OFDM(0xFE), 0xFFE0, 0x1F);
b43_phy_maskset(dev, B43_PHY_OFDM(0xFF), 0xFFE0, 0xC);
b43_phy_maskset(dev, B43_PHY_OFDM(0x100), 0xFF00, 0x19);
b43_phy_maskset(dev, B43_PHY_OFDM(0xFF), 0x03FF, 0x3C00);
b43_phy_maskset(dev, B43_PHY_OFDM(0xFE), 0xFC1F, 0x3E0);
b43_phy_maskset(dev, B43_PHY_OFDM(0xFF), 0xFFE0, 0xC);
b43_phy_maskset(dev, B43_PHY_OFDM(0x100), 0x00FF, 0x1900);
b43_phy_maskset(dev, B43_LPPHY_CLIPCTRTHRESH, 0x83FF, 0x5800);
b43_phy_maskset(dev, B43_LPPHY_CLIPCTRTHRESH, 0xFFE0, 0x12);
b43_phy_maskset(dev, B43_LPPHY_GAINMISMATCH, 0x0FFF, 0x9000);
if ((dev->dev->chip_id == 0x4325) && (dev->dev->chip_rev == 0)) {
b43_lptab_write(dev, B43_LPTAB16(0x08, 0x14), 0);
b43_lptab_write(dev, B43_LPTAB16(0x08, 0x12), 0x40);
}
if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ) {
b43_phy_set(dev, B43_LPPHY_CRSGAIN_CTL, 0x40);
b43_phy_maskset(dev, B43_LPPHY_CRSGAIN_CTL, 0xF0FF, 0xB00);
b43_phy_maskset(dev, B43_LPPHY_SYNCPEAKCNT, 0xFFF8, 0x6);
b43_phy_maskset(dev, B43_LPPHY_MINPWR_LEVEL, 0x00FF, 0x9D00);
b43_phy_maskset(dev, B43_LPPHY_MINPWR_LEVEL, 0xFF00, 0xA1);
b43_phy_mask(dev, B43_LPPHY_IDLEAFTERPKTRXTO, 0x00FF);
} else /* 5GHz */
b43_phy_mask(dev, B43_LPPHY_CRSGAIN_CTL, ~0x40);
b43_phy_maskset(dev, B43_LPPHY_CRS_ED_THRESH, 0xFF00, 0xB3);
b43_phy_maskset(dev, B43_LPPHY_CRS_ED_THRESH, 0x00FF, 0xAD00);
b43_phy_maskset(dev, B43_LPPHY_INPUT_PWRDB, 0xFF00, lpphy->rx_pwr_offset);
b43_phy_set(dev, B43_LPPHY_RESET_CTL, 0x44);
b43_phy_write(dev, B43_LPPHY_RESET_CTL, 0x80);
b43_phy_write(dev, B43_LPPHY_AFE_RSSI_CTL_0, 0xA954);
b43_phy_write(dev, B43_LPPHY_AFE_RSSI_CTL_1,
0x2000 | ((u16)lpphy->rssi_gs << 10) |
((u16)lpphy->rssi_vc << 4) | lpphy->rssi_vf);
if ((dev->dev->chip_id == 0x4325) && (dev->dev->chip_rev == 0)) {
b43_phy_set(dev, B43_LPPHY_AFE_ADC_CTL_0, 0x1C);
b43_phy_maskset(dev, B43_LPPHY_AFE_CTL, 0x00FF, 0x8800);
b43_phy_maskset(dev, B43_LPPHY_AFE_ADC_CTL_1, 0xFC3C, 0x0400);
}
lpphy_save_dig_flt_state(dev);
}
static void lpphy_baseband_init(struct b43_wldev *dev)
{
lpphy_table_init(dev);
if (dev->phy.rev >= 2)
lpphy_baseband_rev2plus_init(dev);
else
lpphy_baseband_rev0_1_init(dev);
}
struct b2062_freqdata {
u16 freq;
u8 data[6];
};
/* Initialize the 2062 radio. */
static void lpphy_2062_init(struct b43_wldev *dev)
{
struct b43_phy_lp *lpphy = dev->phy.lp;
struct ssb_bus *bus = dev->dev->sdev->bus;
u32 crystalfreq, tmp, ref;
unsigned int i;
const struct b2062_freqdata *fd = NULL;
static const struct b2062_freqdata freqdata_tab[] = {
{ .freq = 12000, .data[0] = 6, .data[1] = 6, .data[2] = 6,
.data[3] = 6, .data[4] = 10, .data[5] = 6, },
{ .freq = 13000, .data[0] = 4, .data[1] = 4, .data[2] = 4,
.data[3] = 4, .data[4] = 11, .data[5] = 7, },
{ .freq = 14400, .data[0] = 3, .data[1] = 3, .data[2] = 3,
.data[3] = 3, .data[4] = 12, .data[5] = 7, },
{ .freq = 16200, .data[0] = 3, .data[1] = 3, .data[2] = 3,
.data[3] = 3, .data[4] = 13, .data[5] = 8, },
{ .freq = 18000, .data[0] = 2, .data[1] = 2, .data[2] = 2,
.data[3] = 2, .data[4] = 14, .data[5] = 8, },
{ .freq = 19200, .data[0] = 1, .data[1] = 1, .data[2] = 1,
.data[3] = 1, .data[4] = 14, .data[5] = 9, },
};
b2062_upload_init_table(dev);
b43_radio_write(dev, B2062_N_TX_CTL3, 0);
b43_radio_write(dev, B2062_N_TX_CTL4, 0);
b43_radio_write(dev, B2062_N_TX_CTL5, 0);
b43_radio_write(dev, B2062_N_TX_CTL6, 0);
b43_radio_write(dev, B2062_N_PDN_CTL0, 0x40);
b43_radio_write(dev, B2062_N_PDN_CTL0, 0);
b43_radio_write(dev, B2062_N_CALIB_TS, 0x10);
b43_radio_write(dev, B2062_N_CALIB_TS, 0);
if (dev->phy.rev > 0) {
b43_radio_write(dev, B2062_S_BG_CTL1,
(b43_radio_read(dev, B2062_N_COMM2) >> 1) | 0x80);
}
if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ)
b43_radio_set(dev, B2062_N_TSSI_CTL0, 0x1);
else
b43_radio_mask(dev, B2062_N_TSSI_CTL0, ~0x1);
/* Get the crystal freq, in Hz. */
crystalfreq = bus->chipco.pmu.crystalfreq * 1000;
B43_WARN_ON(!(bus->chipco.capabilities & SSB_CHIPCO_CAP_PMU));
B43_WARN_ON(crystalfreq == 0);
if (crystalfreq <= 30000000) {
lpphy->pdiv = 1;
b43_radio_mask(dev, B2062_S_RFPLL_CTL1, 0xFFFB);
} else {
lpphy->pdiv = 2;
b43_radio_set(dev, B2062_S_RFPLL_CTL1, 0x4);
}
tmp = (((800000000 * lpphy->pdiv + crystalfreq) /
(2 * crystalfreq)) - 8) & 0xFF;
b43_radio_write(dev, B2062_S_RFPLL_CTL7, tmp);
tmp = (((100 * crystalfreq + 16000000 * lpphy->pdiv) /
(32000000 * lpphy->pdiv)) - 1) & 0xFF;
b43_radio_write(dev, B2062_S_RFPLL_CTL18, tmp);
tmp = (((2 * crystalfreq + 1000000 * lpphy->pdiv) /
(2000000 * lpphy->pdiv)) - 1) & 0xFF;
b43_radio_write(dev, B2062_S_RFPLL_CTL19, tmp);
ref = (1000 * lpphy->pdiv + 2 * crystalfreq) / (2000 * lpphy->pdiv);
ref &= 0xFFFF;
for (i = 0; i < ARRAY_SIZE(freqdata_tab); i++) {
if (ref < freqdata_tab[i].freq) {
fd = &freqdata_tab[i];
break;
}
}
if (!fd)
fd = &freqdata_tab[ARRAY_SIZE(freqdata_tab) - 1];
b43dbg(dev->wl, "b2062: Using crystal tab entry %u kHz.\n",
fd->freq); /* FIXME: Keep this printk until the code is fully debugged. */
b43_radio_write(dev, B2062_S_RFPLL_CTL8,
((u16)(fd->data[1]) << 4) | fd->data[0]);
b43_radio_write(dev, B2062_S_RFPLL_CTL9,
((u16)(fd->data[3]) << 4) | fd->data[2]);
b43_radio_write(dev, B2062_S_RFPLL_CTL10, fd->data[4]);
b43_radio_write(dev, B2062_S_RFPLL_CTL11, fd->data[5]);
}
/* Initialize the 2063 radio. */
static void lpphy_2063_init(struct b43_wldev *dev)
{
b2063_upload_init_table(dev);
b43_radio_write(dev, B2063_LOGEN_SP5, 0);
b43_radio_set(dev, B2063_COMM8, 0x38);
b43_radio_write(dev, B2063_REG_SP1, 0x56);
b43_radio_mask(dev, B2063_RX_BB_CTL2, ~0x2);
b43_radio_write(dev, B2063_PA_SP7, 0);
b43_radio_write(dev, B2063_TX_RF_SP6, 0x20);
b43_radio_write(dev, B2063_TX_RF_SP9, 0x40);
if (dev->phy.rev == 2) {
b43_radio_write(dev, B2063_PA_SP3, 0xa0);
b43_radio_write(dev, B2063_PA_SP4, 0xa0);
b43_radio_write(dev, B2063_PA_SP2, 0x18);
} else {
b43_radio_write(dev, B2063_PA_SP3, 0x20);
b43_radio_write(dev, B2063_PA_SP2, 0x20);
}
}
struct lpphy_stx_table_entry {
u16 phy_offset;
u16 phy_shift;
u16 rf_addr;
u16 rf_shift;
u16 mask;
};
static const struct lpphy_stx_table_entry lpphy_stx_table[] = {
{ .phy_offset = 2, .phy_shift = 6, .rf_addr = 0x3d, .rf_shift = 3, .mask = 0x01, },
{ .phy_offset = 1, .phy_shift = 12, .rf_addr = 0x4c, .rf_shift = 1, .mask = 0x01, },
{ .phy_offset = 1, .phy_shift = 8, .rf_addr = 0x50, .rf_shift = 0, .mask = 0x7f, },
{ .phy_offset = 0, .phy_shift = 8, .rf_addr = 0x44, .rf_shift = 0, .mask = 0xff, },
{ .phy_offset = 1, .phy_shift = 0, .rf_addr = 0x4a, .rf_shift = 0, .mask = 0xff, },
{ .phy_offset = 0, .phy_shift = 4, .rf_addr = 0x4d, .rf_shift = 0, .mask = 0xff, },
{ .phy_offset = 1, .phy_shift = 4, .rf_addr = 0x4e, .rf_shift = 0, .mask = 0xff, },
{ .phy_offset = 0, .phy_shift = 12, .rf_addr = 0x4f, .rf_shift = 0, .mask = 0x0f, },
{ .phy_offset = 1, .phy_shift = 0, .rf_addr = 0x4f, .rf_shift = 4, .mask = 0x0f, },
{ .phy_offset = 3, .phy_shift = 0, .rf_addr = 0x49, .rf_shift = 0, .mask = 0x0f, },
{ .phy_offset = 4, .phy_shift = 3, .rf_addr = 0x46, .rf_shift = 4, .mask = 0x07, },
{ .phy_offset = 3, .phy_shift = 15, .rf_addr = 0x46, .rf_shift = 0, .mask = 0x01, },
{ .phy_offset = 4, .phy_shift = 0, .rf_addr = 0x46, .rf_shift = 1, .mask = 0x07, },
{ .phy_offset = 3, .phy_shift = 8, .rf_addr = 0x48, .rf_shift = 4, .mask = 0x07, },
{ .phy_offset = 3, .phy_shift = 11, .rf_addr = 0x48, .rf_shift = 0, .mask = 0x0f, },
{ .phy_offset = 3, .phy_shift = 4, .rf_addr = 0x49, .rf_shift = 4, .mask = 0x0f, },
{ .phy_offset = 2, .phy_shift = 15, .rf_addr = 0x45, .rf_shift = 0, .mask = 0x01, },
{ .phy_offset = 5, .phy_shift = 13, .rf_addr = 0x52, .rf_shift = 4, .mask = 0x07, },
{ .phy_offset = 6, .phy_shift = 0, .rf_addr = 0x52, .rf_shift = 7, .mask = 0x01, },
{ .phy_offset = 5, .phy_shift = 3, .rf_addr = 0x41, .rf_shift = 5, .mask = 0x07, },
{ .phy_offset = 5, .phy_shift = 6, .rf_addr = 0x41, .rf_shift = 0, .mask = 0x0f, },
{ .phy_offset = 5, .phy_shift = 10, .rf_addr = 0x42, .rf_shift = 5, .mask = 0x07, },
{ .phy_offset = 4, .phy_shift = 15, .rf_addr = 0x42, .rf_shift = 0, .mask = 0x01, },
{ .phy_offset = 5, .phy_shift = 0, .rf_addr = 0x42, .rf_shift = 1, .mask = 0x07, },
{ .phy_offset = 4, .phy_shift = 11, .rf_addr = 0x43, .rf_shift = 4, .mask = 0x0f, },
{ .phy_offset = 4, .phy_shift = 7, .rf_addr = 0x43, .rf_shift = 0, .mask = 0x0f, },
{ .phy_offset = 4, .phy_shift = 6, .rf_addr = 0x45, .rf_shift = 1, .mask = 0x01, },
{ .phy_offset = 2, .phy_shift = 7, .rf_addr = 0x40, .rf_shift = 4, .mask = 0x0f, },
{ .phy_offset = 2, .phy_shift = 11, .rf_addr = 0x40, .rf_shift = 0, .mask = 0x0f, },
};
static void lpphy_sync_stx(struct b43_wldev *dev)
{
const struct lpphy_stx_table_entry *e;
unsigned int i;
u16 tmp;
for (i = 0; i < ARRAY_SIZE(lpphy_stx_table); i++) {
e = &lpphy_stx_table[i];
tmp = b43_radio_read(dev, e->rf_addr);
tmp >>= e->rf_shift;
tmp <<= e->phy_shift;
b43_phy_maskset(dev, B43_PHY_OFDM(0xF2 + e->phy_offset),
~(e->mask << e->phy_shift), tmp);
}
}
static void lpphy_radio_init(struct b43_wldev *dev)
{
/* The radio is attached through the 4wire bus. */
b43_phy_set(dev, B43_LPPHY_FOURWIRE_CTL, 0x2);
udelay(1);
b43_phy_mask(dev, B43_LPPHY_FOURWIRE_CTL, 0xFFFD);
udelay(1);
if (dev->phy.radio_ver == 0x2062) {
lpphy_2062_init(dev);
} else {
lpphy_2063_init(dev);
lpphy_sync_stx(dev);
b43_phy_write(dev, B43_PHY_OFDM(0xF0), 0x5F80);
b43_phy_write(dev, B43_PHY_OFDM(0xF1), 0);
if (dev->dev->chip_id == 0x4325) {
// TODO SSB PMU recalibration
}
}
}
struct lpphy_iq_est { u32 iq_prod, i_pwr, q_pwr; };
static void lpphy_set_rc_cap(struct b43_wldev *dev)
{
struct b43_phy_lp *lpphy = dev->phy.lp;
u8 rc_cap = (lpphy->rc_cap & 0x1F) >> 1;
if (dev->phy.rev == 1) //FIXME check channel 14!
rc_cap = min_t(u8, rc_cap + 5, 15);
b43_radio_write(dev, B2062_N_RXBB_CALIB2,
max_t(u8, lpphy->rc_cap - 4, 0x80));
b43_radio_write(dev, B2062_N_TX_CTL_A, rc_cap | 0x80);
b43_radio_write(dev, B2062_S_RXG_CNT16,
((lpphy->rc_cap & 0x1F) >> 2) | 0x80);
}
static u8 lpphy_get_bb_mult(struct b43_wldev *dev)
{
return (b43_lptab_read(dev, B43_LPTAB16(0, 87)) & 0xFF00) >> 8;
}
static void lpphy_set_bb_mult(struct b43_wldev *dev, u8 bb_mult)
{
b43_lptab_write(dev, B43_LPTAB16(0, 87), (u16)bb_mult << 8);
}
static void lpphy_set_deaf(struct b43_wldev *dev, bool user)
{
struct b43_phy_lp *lpphy = dev->phy.lp;
if (user)
lpphy->crs_usr_disable = true;
else
lpphy->crs_sys_disable = true;
b43_phy_maskset(dev, B43_LPPHY_CRSGAIN_CTL, 0xFF1F, 0x80);
}
static void lpphy_clear_deaf(struct b43_wldev *dev, bool user)
{
struct b43_phy_lp *lpphy = dev->phy.lp;
if (user)
lpphy->crs_usr_disable = false;
else
lpphy->crs_sys_disable = false;
if (!lpphy->crs_usr_disable && !lpphy->crs_sys_disable) {
if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ)
b43_phy_maskset(dev, B43_LPPHY_CRSGAIN_CTL,
0xFF1F, 0x60);
else
b43_phy_maskset(dev, B43_LPPHY_CRSGAIN_CTL,
0xFF1F, 0x20);
}
}
static void lpphy_set_trsw_over(struct b43_wldev *dev, bool tx, bool rx)
{
u16 trsw = (tx << 1) | rx;
b43_phy_maskset(dev, B43_LPPHY_RF_OVERRIDE_VAL_0, 0xFFFC, trsw);
b43_phy_set(dev, B43_LPPHY_RF_OVERRIDE_0, 0x3);
}
static void lpphy_disable_crs(struct b43_wldev *dev, bool user)
{
lpphy_set_deaf(dev, user);
lpphy_set_trsw_over(dev, false, true);
b43_phy_mask(dev, B43_LPPHY_RF_OVERRIDE_VAL_0, 0xFFFB);
b43_phy_set(dev, B43_LPPHY_RF_OVERRIDE_0, 0x4);
b43_phy_mask(dev, B43_LPPHY_RF_OVERRIDE_VAL_0, 0xFFF7);
b43_phy_set(dev, B43_LPPHY_RF_OVERRIDE_0, 0x8);
b43_phy_set(dev, B43_LPPHY_RF_OVERRIDE_VAL_0, 0x10);
b43_phy_set(dev, B43_LPPHY_RF_OVERRIDE_0, 0x10);
b43_phy_mask(dev, B43_LPPHY_RF_OVERRIDE_VAL_0, 0xFFDF);
b43_phy_set(dev, B43_LPPHY_RF_OVERRIDE_0, 0x20);
b43_phy_mask(dev, B43_LPPHY_RF_OVERRIDE_VAL_0, 0xFFBF);
b43_phy_set(dev, B43_LPPHY_RF_OVERRIDE_0, 0x40);
b43_phy_set(dev, B43_LPPHY_RF_OVERRIDE_2_VAL, 0x7);
b43_phy_set(dev, B43_LPPHY_RF_OVERRIDE_2_VAL, 0x38);
b43_phy_mask(dev, B43_LPPHY_RF_OVERRIDE_2_VAL, 0xFF3F);
b43_phy_set(dev, B43_LPPHY_RF_OVERRIDE_2_VAL, 0x100);
b43_phy_mask(dev, B43_LPPHY_RF_OVERRIDE_2_VAL, 0xFDFF);
b43_phy_write(dev, B43_LPPHY_PS_CTL_OVERRIDE_VAL0, 0);
b43_phy_write(dev, B43_LPPHY_PS_CTL_OVERRIDE_VAL1, 1);
b43_phy_write(dev, B43_LPPHY_PS_CTL_OVERRIDE_VAL2, 0x20);
b43_phy_mask(dev, B43_LPPHY_RF_OVERRIDE_2_VAL, 0xFBFF);
b43_phy_mask(dev, B43_LPPHY_RF_OVERRIDE_2_VAL, 0xF7FF);
b43_phy_write(dev, B43_LPPHY_TX_GAIN_CTL_OVERRIDE_VAL, 0);
b43_phy_write(dev, B43_LPPHY_RX_GAIN_CTL_OVERRIDE_VAL, 0x45AF);
b43_phy_write(dev, B43_LPPHY_RF_OVERRIDE_2, 0x3FF);
}
static void lpphy_restore_crs(struct b43_wldev *dev, bool user)
{
lpphy_clear_deaf(dev, user);
b43_phy_mask(dev, B43_LPPHY_RF_OVERRIDE_0, 0xFF80);
b43_phy_mask(dev, B43_LPPHY_RF_OVERRIDE_2, 0xFC00);
}
struct lpphy_tx_gains { u16 gm, pga, pad, dac; };
static void lpphy_disable_rx_gain_override(struct b43_wldev *dev)
{
b43_phy_mask(dev, B43_LPPHY_RF_OVERRIDE_0, 0xFFFE);
b43_phy_mask(dev, B43_LPPHY_RF_OVERRIDE_0, 0xFFEF);
b43_phy_mask(dev, B43_LPPHY_RF_OVERRIDE_0, 0xFFBF);
if (dev->phy.rev >= 2) {
b43_phy_mask(dev, B43_LPPHY_RF_OVERRIDE_2, 0xFEFF);
if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ) {
b43_phy_mask(dev, B43_LPPHY_RF_OVERRIDE_2, 0xFBFF);
b43_phy_mask(dev, B43_PHY_OFDM(0xE5), 0xFFF7);
}
} else {
b43_phy_mask(dev, B43_LPPHY_RF_OVERRIDE_2, 0xFDFF);
}
}
static void lpphy_enable_rx_gain_override(struct b43_wldev *dev)
{
b43_phy_set(dev, B43_LPPHY_RF_OVERRIDE_0, 0x1);
b43_phy_set(dev, B43_LPPHY_RF_OVERRIDE_0, 0x10);
b43_phy_set(dev, B43_LPPHY_RF_OVERRIDE_0, 0x40);
if (dev->phy.rev >= 2) {
b43_phy_set(dev, B43_LPPHY_RF_OVERRIDE_2, 0x100);
if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ) {
b43_phy_set(dev, B43_LPPHY_RF_OVERRIDE_2, 0x400);
b43_phy_set(dev, B43_PHY_OFDM(0xE5), 0x8);
}
} else {
b43_phy_set(dev, B43_LPPHY_RF_OVERRIDE_2, 0x200);
}
}
static void lpphy_disable_tx_gain_override(struct b43_wldev *dev)
{
if (dev->phy.rev < 2)
b43_phy_mask(dev, B43_LPPHY_RF_OVERRIDE_2, 0xFEFF);
else {
b43_phy_mask(dev, B43_LPPHY_RF_OVERRIDE_2, 0xFF7F);
b43_phy_mask(dev, B43_LPPHY_RF_OVERRIDE_2, 0xBFFF);
}
b43_phy_mask(dev, B43_LPPHY_AFE_CTL_OVR, 0xFFBF);
}
static void lpphy_enable_tx_gain_override(struct b43_wldev *dev)
{
if (dev->phy.rev < 2)
b43_phy_set(dev, B43_LPPHY_RF_OVERRIDE_2, 0x100);
else {
b43_phy_set(dev, B43_LPPHY_RF_OVERRIDE_2, 0x80);
b43_phy_set(dev, B43_LPPHY_RF_OVERRIDE_2, 0x4000);
}
b43_phy_set(dev, B43_LPPHY_AFE_CTL_OVR, 0x40);
}
static struct lpphy_tx_gains lpphy_get_tx_gains(struct b43_wldev *dev)
{
struct lpphy_tx_gains gains;
u16 tmp;
gains.dac = (b43_phy_read(dev, B43_LPPHY_AFE_DAC_CTL) & 0x380) >> 7;
if (dev->phy.rev < 2) {
tmp = b43_phy_read(dev,
B43_LPPHY_TX_GAIN_CTL_OVERRIDE_VAL) & 0x7FF;
gains.gm = tmp & 0x0007;
gains.pga = (tmp & 0x0078) >> 3;
gains.pad = (tmp & 0x780) >> 7;
} else {
tmp = b43_phy_read(dev, B43_LPPHY_TX_GAIN_CTL_OVERRIDE_VAL);
gains.pad = b43_phy_read(dev, B43_PHY_OFDM(0xFB)) & 0xFF;
gains.gm = tmp & 0xFF;
gains.pga = (tmp >> 8) & 0xFF;
}
return gains;
}
static void lpphy_set_dac_gain(struct b43_wldev *dev, u16 dac)
{
u16 ctl = b43_phy_read(dev, B43_LPPHY_AFE_DAC_CTL) & 0xC7F;
ctl |= dac << 7;
b43_phy_maskset(dev, B43_LPPHY_AFE_DAC_CTL, 0xF000, ctl);
}
static u16 lpphy_get_pa_gain(struct b43_wldev *dev)
{
return b43_phy_read(dev, B43_PHY_OFDM(0xFB)) & 0x7F;
}
static void lpphy_set_pa_gain(struct b43_wldev *dev, u16 gain)
{
b43_phy_maskset(dev, B43_PHY_OFDM(0xFB), 0xE03F, gain << 6);
b43_phy_maskset(dev, B43_PHY_OFDM(0xFD), 0x80FF, gain << 8);
}
static void lpphy_set_tx_gains(struct b43_wldev *dev,
struct lpphy_tx_gains gains)
{
u16 rf_gain, pa_gain;
if (dev->phy.rev < 2) {
rf_gain = (gains.pad << 7) | (gains.pga << 3) | gains.gm;
b43_phy_maskset(dev, B43_LPPHY_TX_GAIN_CTL_OVERRIDE_VAL,
0xF800, rf_gain);
} else {
pa_gain = lpphy_get_pa_gain(dev);
b43_phy_write(dev, B43_LPPHY_TX_GAIN_CTL_OVERRIDE_VAL,
(gains.pga << 8) | gains.gm);
/*
* SPEC FIXME The spec calls for (pa_gain << 8) here, but that
* conflicts with the spec for set_pa_gain! Vendor driver bug?
*/
b43_phy_maskset(dev, B43_PHY_OFDM(0xFB),
0x8000, gains.pad | (pa_gain << 6));
b43_phy_write(dev, B43_PHY_OFDM(0xFC),
(gains.pga << 8) | gains.gm);
b43_phy_maskset(dev, B43_PHY_OFDM(0xFD),
0x8000, gains.pad | (pa_gain << 8));
}
lpphy_set_dac_gain(dev, gains.dac);
lpphy_enable_tx_gain_override(dev);
}
static void lpphy_rev0_1_set_rx_gain(struct b43_wldev *dev, u32 gain)
{
u16 trsw = gain & 0x1;
u16 lna = (gain & 0xFFFC) | ((gain & 0xC) >> 2);
u16 ext_lna = (gain & 2) >> 1;
b43_phy_maskset(dev, B43_LPPHY_RF_OVERRIDE_VAL_0, 0xFFFE, trsw);
b43_phy_maskset(dev, B43_LPPHY_RF_OVERRIDE_2_VAL,
0xFBFF, ext_lna << 10);
b43_phy_maskset(dev, B43_LPPHY_RF_OVERRIDE_2_VAL,
0xF7FF, ext_lna << 11);
b43_phy_write(dev, B43_LPPHY_RX_GAIN_CTL_OVERRIDE_VAL, lna);
}
static void lpphy_rev2plus_set_rx_gain(struct b43_wldev *dev, u32 gain)
{
u16 low_gain = gain & 0xFFFF;
u16 high_gain = (gain >> 16) & 0xF;
u16 ext_lna = (gain >> 21) & 0x1;
u16 trsw = ~(gain >> 20) & 0x1;
u16 tmp;
b43_phy_maskset(dev, B43_LPPHY_RF_OVERRIDE_VAL_0, 0xFFFE, trsw);
b43_phy_maskset(dev, B43_LPPHY_RF_OVERRIDE_2_VAL,
0xFDFF, ext_lna << 9);
b43_phy_maskset(dev, B43_LPPHY_RF_OVERRIDE_2_VAL,
0xFBFF, ext_lna << 10);
b43_phy_write(dev, B43_LPPHY_RX_GAIN_CTL_OVERRIDE_VAL, low_gain);
b43_phy_maskset(dev, B43_LPPHY_AFE_DDFS, 0xFFF0, high_gain);
if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ) {
tmp = (gain >> 2) & 0x3;
b43_phy_maskset(dev, B43_LPPHY_RF_OVERRIDE_2_VAL,
0xE7FF, tmp<<11);
b43_phy_maskset(dev, B43_PHY_OFDM(0xE6), 0xFFE7, tmp << 3);
}
}
static void lpphy_set_rx_gain(struct b43_wldev *dev, u32 gain)
{
if (dev->phy.rev < 2)
lpphy_rev0_1_set_rx_gain(dev, gain);
else
lpphy_rev2plus_set_rx_gain(dev, gain);
lpphy_enable_rx_gain_override(dev);
}
static void lpphy_set_rx_gain_by_index(struct b43_wldev *dev, u16 idx)
{
u32 gain = b43_lptab_read(dev, B43_LPTAB16(12, idx));
lpphy_set_rx_gain(dev, gain);
}
static void lpphy_stop_ddfs(struct b43_wldev *dev)
{
b43_phy_mask(dev, B43_LPPHY_AFE_DDFS, 0xFFFD);
b43_phy_mask(dev, B43_LPPHY_LP_PHY_CTL, 0xFFDF);
}
static void lpphy_run_ddfs(struct b43_wldev *dev, int i_on, int q_on,
int incr1, int incr2, int scale_idx)
{
lpphy_stop_ddfs(dev);
b43_phy_mask(dev, B43_LPPHY_AFE_DDFS_POINTER_INIT, 0xFF80);
b43_phy_mask(dev, B43_LPPHY_AFE_DDFS_POINTER_INIT, 0x80FF);
b43_phy_maskset(dev, B43_LPPHY_AFE_DDFS_INCR_INIT, 0xFF80, incr1);
b43_phy_maskset(dev, B43_LPPHY_AFE_DDFS_INCR_INIT, 0x80FF, incr2 << 8);
b43_phy_maskset(dev, B43_LPPHY_AFE_DDFS, 0xFFF7, i_on << 3);
b43_phy_maskset(dev, B43_LPPHY_AFE_DDFS, 0xFFEF, q_on << 4);
b43_phy_maskset(dev, B43_LPPHY_AFE_DDFS, 0xFF9F, scale_idx << 5);
b43_phy_mask(dev, B43_LPPHY_AFE_DDFS, 0xFFFB);
b43_phy_set(dev, B43_LPPHY_AFE_DDFS, 0x2);
b43_phy_set(dev, B43_LPPHY_LP_PHY_CTL, 0x20);
}
static bool lpphy_rx_iq_est(struct b43_wldev *dev, u16 samples, u8 time,
struct lpphy_iq_est *iq_est)
{
int i;
b43_phy_mask(dev, B43_LPPHY_CRSGAIN_CTL, 0xFFF7);
b43_phy_write(dev, B43_LPPHY_IQ_NUM_SMPLS_ADDR, samples);
b43_phy_maskset(dev, B43_LPPHY_IQ_ENABLE_WAIT_TIME_ADDR, 0xFF00, time);
b43_phy_mask(dev, B43_LPPHY_IQ_ENABLE_WAIT_TIME_ADDR, 0xFEFF);
b43_phy_set(dev, B43_LPPHY_IQ_ENABLE_WAIT_TIME_ADDR, 0x200);
for (i = 0; i < 500; i++) {
if (!(b43_phy_read(dev,
B43_LPPHY_IQ_ENABLE_WAIT_TIME_ADDR) & 0x200))
break;
msleep(1);
}
if ((b43_phy_read(dev, B43_LPPHY_IQ_ENABLE_WAIT_TIME_ADDR) & 0x200)) {
b43_phy_set(dev, B43_LPPHY_CRSGAIN_CTL, 0x8);
return false;
}
iq_est->iq_prod = b43_phy_read(dev, B43_LPPHY_IQ_ACC_HI_ADDR);
iq_est->iq_prod <<= 16;
iq_est->iq_prod |= b43_phy_read(dev, B43_LPPHY_IQ_ACC_LO_ADDR);
iq_est->i_pwr = b43_phy_read(dev, B43_LPPHY_IQ_I_PWR_ACC_HI_ADDR);
iq_est->i_pwr <<= 16;
iq_est->i_pwr |= b43_phy_read(dev, B43_LPPHY_IQ_I_PWR_ACC_LO_ADDR);
iq_est->q_pwr = b43_phy_read(dev, B43_LPPHY_IQ_Q_PWR_ACC_HI_ADDR);
iq_est->q_pwr <<= 16;
iq_est->q_pwr |= b43_phy_read(dev, B43_LPPHY_IQ_Q_PWR_ACC_LO_ADDR);
b43_phy_set(dev, B43_LPPHY_CRSGAIN_CTL, 0x8);
return true;
}
static int lpphy_loopback(struct b43_wldev *dev)
{
struct lpphy_iq_est iq_est;
int i, index = -1;
u32 tmp;
memset(&iq_est, 0, sizeof(iq_est));
lpphy_set_trsw_over(dev, true, true);
b43_phy_set(dev, B43_LPPHY_AFE_CTL_OVR, 1);
b43_phy_mask(dev, B43_LPPHY_AFE_CTL_OVRVAL, 0xFFFE);
b43_phy_set(dev, B43_LPPHY_RF_OVERRIDE_0, 0x800);
b43_phy_set(dev, B43_LPPHY_RF_OVERRIDE_VAL_0, 0x800);
b43_phy_set(dev, B43_LPPHY_RF_OVERRIDE_0, 0x8);
b43_phy_set(dev, B43_LPPHY_RF_OVERRIDE_VAL_0, 0x8);
b43_radio_write(dev, B2062_N_TX_CTL_A, 0x80);
b43_phy_set(dev, B43_LPPHY_RF_OVERRIDE_0, 0x80);
b43_phy_set(dev, B43_LPPHY_RF_OVERRIDE_VAL_0, 0x80);
for (i = 0; i < 32; i++) {
lpphy_set_rx_gain_by_index(dev, i);
lpphy_run_ddfs(dev, 1, 1, 5, 5, 0);
if (!(lpphy_rx_iq_est(dev, 1000, 32, &iq_est)))
continue;
tmp = (iq_est.i_pwr + iq_est.q_pwr) / 1000;
if ((tmp > 4000) && (tmp < 10000)) {
index = i;
break;
}
}
lpphy_stop_ddfs(dev);
return index;
}
/* Fixed-point division algorithm using only integer math. */
static u32 lpphy_qdiv_roundup(u32 dividend, u32 divisor, u8 precision)
{
u32 quotient, remainder;
if (divisor == 0)
return 0;
quotient = dividend / divisor;
remainder = dividend % divisor;
while (precision > 0) {
quotient <<= 1;
if (remainder << 1 >= divisor) {
quotient++;
remainder = (remainder << 1) - divisor;
}
precision--;
}
if (remainder << 1 >= divisor)
quotient++;
return quotient;
}
/* Read the TX power control mode from hardware. */
static void lpphy_read_tx_pctl_mode_from_hardware(struct b43_wldev *dev)
{
struct b43_phy_lp *lpphy = dev->phy.lp;
u16 ctl;
ctl = b43_phy_read(dev, B43_LPPHY_TX_PWR_CTL_CMD);
switch (ctl & B43_LPPHY_TX_PWR_CTL_CMD_MODE) {
case B43_LPPHY_TX_PWR_CTL_CMD_MODE_OFF:
lpphy->txpctl_mode = B43_LPPHY_TXPCTL_OFF;
break;
case B43_LPPHY_TX_PWR_CTL_CMD_MODE_SW:
lpphy->txpctl_mode = B43_LPPHY_TXPCTL_SW;
break;
case B43_LPPHY_TX_PWR_CTL_CMD_MODE_HW:
lpphy->txpctl_mode = B43_LPPHY_TXPCTL_HW;
break;
default:
lpphy->txpctl_mode = B43_LPPHY_TXPCTL_UNKNOWN;
B43_WARN_ON(1);
break;
}
}
/* Set the TX power control mode in hardware. */
static void lpphy_write_tx_pctl_mode_to_hardware(struct b43_wldev *dev)
{
struct b43_phy_lp *lpphy = dev->phy.lp;
u16 ctl;
switch (lpphy->txpctl_mode) {
case B43_LPPHY_TXPCTL_OFF:
ctl = B43_LPPHY_TX_PWR_CTL_CMD_MODE_OFF;
break;
case B43_LPPHY_TXPCTL_HW:
ctl = B43_LPPHY_TX_PWR_CTL_CMD_MODE_HW;
break;
case B43_LPPHY_TXPCTL_SW:
ctl = B43_LPPHY_TX_PWR_CTL_CMD_MODE_SW;
break;
default:
ctl = 0;
B43_WARN_ON(1);
}
b43_phy_maskset(dev, B43_LPPHY_TX_PWR_CTL_CMD,
~B43_LPPHY_TX_PWR_CTL_CMD_MODE & 0xFFFF, ctl);
}
static void lpphy_set_tx_power_control(struct b43_wldev *dev,
enum b43_lpphy_txpctl_mode mode)
{
struct b43_phy_lp *lpphy = dev->phy.lp;
enum b43_lpphy_txpctl_mode oldmode;
lpphy_read_tx_pctl_mode_from_hardware(dev);
oldmode = lpphy->txpctl_mode;
if (oldmode == mode)
return;
lpphy->txpctl_mode = mode;
if (oldmode == B43_LPPHY_TXPCTL_HW) {
//TODO Update TX Power NPT
//TODO Clear all TX Power offsets
} else {
if (mode == B43_LPPHY_TXPCTL_HW) {
//TODO Recalculate target TX power
b43_phy_maskset(dev, B43_LPPHY_TX_PWR_CTL_CMD,
0xFF80, lpphy->tssi_idx);
b43_phy_maskset(dev, B43_LPPHY_TX_PWR_CTL_NNUM,
0x8FFF, ((u16)lpphy->tssi_npt << 16));
//TODO Set "TSSI Transmit Count" variable to total transmitted frame count
lpphy_disable_tx_gain_override(dev);
lpphy->tx_pwr_idx_over = -1;
}
}
if (dev->phy.rev >= 2) {
if (mode == B43_LPPHY_TXPCTL_HW)
b43_phy_set(dev, B43_PHY_OFDM(0xD0), 0x2);
else
b43_phy_mask(dev, B43_PHY_OFDM(0xD0), 0xFFFD);
}
lpphy_write_tx_pctl_mode_to_hardware(dev);
}
static int b43_lpphy_op_switch_channel(struct b43_wldev *dev,
unsigned int new_channel);
static void lpphy_rev0_1_rc_calib(struct b43_wldev *dev)
{
struct b43_phy_lp *lpphy = dev->phy.lp;
struct lpphy_iq_est iq_est;
struct lpphy_tx_gains tx_gains;
static const u32 ideal_pwr_table[21] = {
0x10000, 0x10557, 0x10e2d, 0x113e0, 0x10f22, 0x0ff64,
0x0eda2, 0x0e5d4, 0x0efd1, 0x0fbe8, 0x0b7b8, 0x04b35,
0x01a5e, 0x00a0b, 0x00444, 0x001fd, 0x000ff, 0x00088,
0x0004c, 0x0002c, 0x0001a,
};
bool old_txg_ovr;
u8 old_bbmult;
u16 old_rf_ovr, old_rf_ovrval, old_afe_ovr, old_afe_ovrval,
old_rf2_ovr, old_rf2_ovrval, old_phy_ctl;
enum b43_lpphy_txpctl_mode old_txpctl;
u32 normal_pwr, ideal_pwr, mean_sq_pwr, tmp = 0, mean_sq_pwr_min = 0;
int loopback, i, j, inner_sum, err;
memset(&iq_est, 0, sizeof(iq_est));
err = b43_lpphy_op_switch_channel(dev, 7);
if (err) {
b43dbg(dev->wl,
"RC calib: Failed to switch to channel 7, error = %d\n",
err);
}
old_txg_ovr = !!(b43_phy_read(dev, B43_LPPHY_AFE_CTL_OVR) & 0x40);
old_bbmult = lpphy_get_bb_mult(dev);
if (old_txg_ovr)
tx_gains = lpphy_get_tx_gains(dev);
old_rf_ovr = b43_phy_read(dev, B43_LPPHY_RF_OVERRIDE_0);
old_rf_ovrval = b43_phy_read(dev, B43_LPPHY_RF_OVERRIDE_VAL_0);
old_afe_ovr = b43_phy_read(dev, B43_LPPHY_AFE_CTL_OVR);
old_afe_ovrval = b43_phy_read(dev, B43_LPPHY_AFE_CTL_OVRVAL);
old_rf2_ovr = b43_phy_read(dev, B43_LPPHY_RF_OVERRIDE_2);
old_rf2_ovrval = b43_phy_read(dev, B43_LPPHY_RF_OVERRIDE_2_VAL);
old_phy_ctl = b43_phy_read(dev, B43_LPPHY_LP_PHY_CTL);
lpphy_read_tx_pctl_mode_from_hardware(dev);
old_txpctl = lpphy->txpctl_mode;
lpphy_set_tx_power_control(dev, B43_LPPHY_TXPCTL_OFF);
lpphy_disable_crs(dev, true);
loopback = lpphy_loopback(dev);
if (loopback == -1)
goto finish;
lpphy_set_rx_gain_by_index(dev, loopback);
b43_phy_maskset(dev, B43_LPPHY_LP_PHY_CTL, 0xFFBF, 0x40);
b43_phy_maskset(dev, B43_LPPHY_RF_OVERRIDE_2_VAL, 0xFFF8, 0x1);
b43_phy_maskset(dev, B43_LPPHY_RF_OVERRIDE_2_VAL, 0xFFC7, 0x8);
b43_phy_maskset(dev, B43_LPPHY_RF_OVERRIDE_2_VAL, 0xFF3F, 0xC0);
for (i = 128; i <= 159; i++) {
b43_radio_write(dev, B2062_N_RXBB_CALIB2, i);
inner_sum = 0;
for (j = 5; j <= 25; j++) {
lpphy_run_ddfs(dev, 1, 1, j, j, 0);
if (!(lpphy_rx_iq_est(dev, 1000, 32, &iq_est)))
goto finish;
mean_sq_pwr = iq_est.i_pwr + iq_est.q_pwr;
if (j == 5)
tmp = mean_sq_pwr;
ideal_pwr = ((ideal_pwr_table[j-5] >> 3) + 1) >> 1;
normal_pwr = lpphy_qdiv_roundup(mean_sq_pwr, tmp, 12);
mean_sq_pwr = ideal_pwr - normal_pwr;
mean_sq_pwr *= mean_sq_pwr;
inner_sum += mean_sq_pwr;
if ((i == 128) || (inner_sum < mean_sq_pwr_min)) {
lpphy->rc_cap = i;
mean_sq_pwr_min = inner_sum;
}
}
}
lpphy_stop_ddfs(dev);
finish:
lpphy_restore_crs(dev, true);
b43_phy_write(dev, B43_LPPHY_RF_OVERRIDE_VAL_0, old_rf_ovrval);
b43_phy_write(dev, B43_LPPHY_RF_OVERRIDE_0, old_rf_ovr);
b43_phy_write(dev, B43_LPPHY_AFE_CTL_OVRVAL, old_afe_ovrval);
b43_phy_write(dev, B43_LPPHY_AFE_CTL_OVR, old_afe_ovr);
b43_phy_write(dev, B43_LPPHY_RF_OVERRIDE_2_VAL, old_rf2_ovrval);
b43_phy_write(dev, B43_LPPHY_RF_OVERRIDE_2, old_rf2_ovr);
b43_phy_write(dev, B43_LPPHY_LP_PHY_CTL, old_phy_ctl);
lpphy_set_bb_mult(dev, old_bbmult);
if (old_txg_ovr) {
/*
* SPEC FIXME: The specs say "get_tx_gains" here, which is
* illogical. According to lwfinger, vendor driver v4.150.10.5
* has a Set here, while v4.174.64.19 has a Get - regression in
* the vendor driver? This should be tested this once the code
* is testable.
*/
lpphy_set_tx_gains(dev, tx_gains);
}
lpphy_set_tx_power_control(dev, old_txpctl);
if (lpphy->rc_cap)
lpphy_set_rc_cap(dev);
}
static void lpphy_rev2plus_rc_calib(struct b43_wldev *dev)
{
struct ssb_bus *bus = dev->dev->sdev->bus;
u32 crystal_freq = bus->chipco.pmu.crystalfreq * 1000;
u8 tmp = b43_radio_read(dev, B2063_RX_BB_SP8) & 0xFF;
int i;
b43_radio_write(dev, B2063_RX_BB_SP8, 0x0);
b43_radio_write(dev, B2063_RC_CALIB_CTL1, 0x7E);
b43_radio_mask(dev, B2063_PLL_SP1, 0xF7);
b43_radio_write(dev, B2063_RC_CALIB_CTL1, 0x7C);
b43_radio_write(dev, B2063_RC_CALIB_CTL2, 0x15);
b43_radio_write(dev, B2063_RC_CALIB_CTL3, 0x70);
b43_radio_write(dev, B2063_RC_CALIB_CTL4, 0x52);
b43_radio_write(dev, B2063_RC_CALIB_CTL5, 0x1);
b43_radio_write(dev, B2063_RC_CALIB_CTL1, 0x7D);
for (i = 0; i < 10000; i++) {
if (b43_radio_read(dev, B2063_RC_CALIB_CTL6) & 0x2)
break;
msleep(1);
}
if (!(b43_radio_read(dev, B2063_RC_CALIB_CTL6) & 0x2))
b43_radio_write(dev, B2063_RX_BB_SP8, tmp);
tmp = b43_radio_read(dev, B2063_TX_BB_SP3) & 0xFF;
b43_radio_write(dev, B2063_TX_BB_SP3, 0x0);
b43_radio_write(dev, B2063_RC_CALIB_CTL1, 0x7E);
b43_radio_write(dev, B2063_RC_CALIB_CTL1, 0x7C);
b43_radio_write(dev, B2063_RC_CALIB_CTL2, 0x55);
b43_radio_write(dev, B2063_RC_CALIB_CTL3, 0x76);
if (crystal_freq == 24000000) {
b43_radio_write(dev, B2063_RC_CALIB_CTL4, 0xFC);
b43_radio_write(dev, B2063_RC_CALIB_CTL5, 0x0);
} else {
b43_radio_write(dev, B2063_RC_CALIB_CTL4, 0x13);
b43_radio_write(dev, B2063_RC_CALIB_CTL5, 0x1);
}
b43_radio_write(dev, B2063_PA_SP7, 0x7D);
for (i = 0; i < 10000; i++) {
if (b43_radio_read(dev, B2063_RC_CALIB_CTL6) & 0x2)
break;
msleep(1);
}
if (!(b43_radio_read(dev, B2063_RC_CALIB_CTL6) & 0x2))
b43_radio_write(dev, B2063_TX_BB_SP3, tmp);
b43_radio_write(dev, B2063_RC_CALIB_CTL1, 0x7E);
}
static void lpphy_calibrate_rc(struct b43_wldev *dev)
{
struct b43_phy_lp *lpphy = dev->phy.lp;
if (dev->phy.rev >= 2) {
lpphy_rev2plus_rc_calib(dev);
} else if (!lpphy->rc_cap) {
if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ)
lpphy_rev0_1_rc_calib(dev);
} else {
lpphy_set_rc_cap(dev);
}
}
static void b43_lpphy_op_set_rx_antenna(struct b43_wldev *dev, int antenna)
{
if (dev->phy.rev >= 2)
return; // rev2+ doesn't support antenna diversity
if (B43_WARN_ON(antenna > B43_ANTENNA_AUTO1))
return;
b43_hf_write(dev, b43_hf_read(dev) & ~B43_HF_ANTDIVHELP);
b43_phy_maskset(dev, B43_LPPHY_CRSGAIN_CTL, 0xFFFD, antenna & 0x2);
b43_phy_maskset(dev, B43_LPPHY_CRSGAIN_CTL, 0xFFFE, antenna & 0x1);
b43_hf_write(dev, b43_hf_read(dev) | B43_HF_ANTDIVHELP);
dev->phy.lp->antenna = antenna;
}
static void lpphy_set_tx_iqcc(struct b43_wldev *dev, u16 a, u16 b)
{
u16 tmp[2];
tmp[0] = a;
tmp[1] = b;
b43_lptab_write_bulk(dev, B43_LPTAB16(0, 80), 2, tmp);
}
static void lpphy_set_tx_power_by_index(struct b43_wldev *dev, u8 index)
{
struct b43_phy_lp *lpphy = dev->phy.lp;
struct lpphy_tx_gains gains;
u32 iq_comp, tx_gain, coeff, rf_power;
lpphy->tx_pwr_idx_over = index;
lpphy_read_tx_pctl_mode_from_hardware(dev);
if (lpphy->txpctl_mode != B43_LPPHY_TXPCTL_OFF)
lpphy_set_tx_power_control(dev, B43_LPPHY_TXPCTL_SW);
if (dev->phy.rev >= 2) {
iq_comp = b43_lptab_read(dev, B43_LPTAB32(7, index + 320));
tx_gain = b43_lptab_read(dev, B43_LPTAB32(7, index + 192));
gains.pad = (tx_gain >> 16) & 0xFF;
gains.gm = tx_gain & 0xFF;
gains.pga = (tx_gain >> 8) & 0xFF;
gains.dac = (iq_comp >> 28) & 0xFF;
lpphy_set_tx_gains(dev, gains);
} else {
iq_comp = b43_lptab_read(dev, B43_LPTAB32(10, index + 320));
tx_gain = b43_lptab_read(dev, B43_LPTAB32(10, index + 192));
b43_phy_maskset(dev, B43_LPPHY_TX_GAIN_CTL_OVERRIDE_VAL,
0xF800, (tx_gain >> 4) & 0x7FFF);
lpphy_set_dac_gain(dev, tx_gain & 0x7);
lpphy_set_pa_gain(dev, (tx_gain >> 24) & 0x7F);
}
lpphy_set_bb_mult(dev, (iq_comp >> 20) & 0xFF);
lpphy_set_tx_iqcc(dev, (iq_comp >> 10) & 0x3FF, iq_comp & 0x3FF);
if (dev->phy.rev >= 2) {
coeff = b43_lptab_read(dev, B43_LPTAB32(7, index + 448));
} else {
coeff = b43_lptab_read(dev, B43_LPTAB32(10, index + 448));
}
b43_lptab_write(dev, B43_LPTAB16(0, 85), coeff & 0xFFFF);
if (dev->phy.rev >= 2) {
rf_power = b43_lptab_read(dev, B43_LPTAB32(7, index + 576));
b43_phy_maskset(dev, B43_LPPHY_RF_PWR_OVERRIDE, 0xFF00,
rf_power & 0xFFFF);//SPEC FIXME mask & set != 0
}
lpphy_enable_tx_gain_override(dev);
}
static void lpphy_btcoex_override(struct b43_wldev *dev)
{
b43_write16(dev, B43_MMIO_BTCOEX_CTL, 0x3);
b43_write16(dev, B43_MMIO_BTCOEX_TXCTL, 0xFF);
}
static void b43_lpphy_op_software_rfkill(struct b43_wldev *dev,
bool blocked)
{
//TODO check MAC control register
if (blocked) {
if (dev->phy.rev >= 2) {
b43_phy_mask(dev, B43_LPPHY_RF_OVERRIDE_VAL_0, 0x83FF);
b43_phy_set(dev, B43_LPPHY_RF_OVERRIDE_0, 0x1F00);
b43_phy_mask(dev, B43_LPPHY_AFE_DDFS, 0x80FF);
b43_phy_mask(dev, B43_LPPHY_RF_OVERRIDE_2_VAL, 0xDFFF);
b43_phy_set(dev, B43_LPPHY_RF_OVERRIDE_2, 0x0808);
} else {
b43_phy_mask(dev, B43_LPPHY_RF_OVERRIDE_VAL_0, 0xE0FF);
b43_phy_set(dev, B43_LPPHY_RF_OVERRIDE_0, 0x1F00);
b43_phy_mask(dev, B43_LPPHY_RF_OVERRIDE_2_VAL, 0xFCFF);
b43_phy_set(dev, B43_LPPHY_RF_OVERRIDE_2, 0x0018);
}
} else {
b43_phy_mask(dev, B43_LPPHY_RF_OVERRIDE_0, 0xE0FF);
if (dev->phy.rev >= 2)
b43_phy_mask(dev, B43_LPPHY_RF_OVERRIDE_2, 0xF7F7);
else
b43_phy_mask(dev, B43_LPPHY_RF_OVERRIDE_2, 0xFFE7);
}
}
/* This was previously called lpphy_japan_filter */
static void lpphy_set_analog_filter(struct b43_wldev *dev, int channel)
{
struct b43_phy_lp *lpphy = dev->phy.lp;
u16 tmp = (channel == 14); //SPEC FIXME check japanwidefilter!
if (dev->phy.rev < 2) { //SPEC FIXME Isn't this rev0/1-specific?
b43_phy_maskset(dev, B43_LPPHY_LP_PHY_CTL, 0xFCFF, tmp << 9);
if ((dev->phy.rev == 1) && (lpphy->rc_cap))
lpphy_set_rc_cap(dev);
} else {
b43_radio_write(dev, B2063_TX_BB_SP3, 0x3F);
}
}
static void lpphy_set_tssi_mux(struct b43_wldev *dev, enum tssi_mux_mode mode)
{
if (mode != TSSI_MUX_EXT) {
b43_radio_set(dev, B2063_PA_SP1, 0x2);
b43_phy_set(dev, B43_PHY_OFDM(0xF3), 0x1000);
b43_radio_write(dev, B2063_PA_CTL10, 0x51);
if (mode == TSSI_MUX_POSTPA) {
b43_radio_mask(dev, B2063_PA_SP1, 0xFFFE);
b43_phy_mask(dev, B43_LPPHY_AFE_CTL_OVRVAL, 0xFFC7);
} else {
b43_radio_maskset(dev, B2063_PA_SP1, 0xFFFE, 0x1);
b43_phy_maskset(dev, B43_LPPHY_AFE_CTL_OVRVAL,
0xFFC7, 0x20);
}
} else {
B43_WARN_ON(1);
}
}
static void lpphy_tx_pctl_init_hw(struct b43_wldev *dev)
{
u16 tmp;
int i;
//SPEC TODO Call LP PHY Clear TX Power offsets
for (i = 0; i < 64; i++) {
if (dev->phy.rev >= 2)
b43_lptab_write(dev, B43_LPTAB32(7, i + 1), i);
else
b43_lptab_write(dev, B43_LPTAB32(10, i + 1), i);
}
b43_phy_maskset(dev, B43_LPPHY_TX_PWR_CTL_NNUM, 0xFF00, 0xFF);
b43_phy_maskset(dev, B43_LPPHY_TX_PWR_CTL_NNUM, 0x8FFF, 0x5000);
b43_phy_maskset(dev, B43_LPPHY_TX_PWR_CTL_IDLETSSI, 0xFFC0, 0x1F);
if (dev->phy.rev < 2) {
b43_phy_mask(dev, B43_LPPHY_LP_PHY_CTL, 0xEFFF);
b43_phy_maskset(dev, B43_LPPHY_LP_PHY_CTL, 0xDFFF, 0x2000);
} else {
b43_phy_mask(dev, B43_PHY_OFDM(0x103), 0xFFFE);
b43_phy_maskset(dev, B43_PHY_OFDM(0x103), 0xFFFB, 0x4);
b43_phy_maskset(dev, B43_PHY_OFDM(0x103), 0xFFEF, 0x10);
b43_radio_maskset(dev, B2063_IQ_CALIB_CTL2, 0xF3, 0x1);
lpphy_set_tssi_mux(dev, TSSI_MUX_POSTPA);
}
b43_phy_maskset(dev, B43_LPPHY_TX_PWR_CTL_IDLETSSI, 0x7FFF, 0x8000);
b43_phy_mask(dev, B43_LPPHY_TX_PWR_CTL_DELTAPWR_LIMIT, 0xFF);
b43_phy_write(dev, B43_LPPHY_TX_PWR_CTL_DELTAPWR_LIMIT, 0xA);
b43_phy_maskset(dev, B43_LPPHY_TX_PWR_CTL_CMD,
~B43_LPPHY_TX_PWR_CTL_CMD_MODE & 0xFFFF,
B43_LPPHY_TX_PWR_CTL_CMD_MODE_OFF);
b43_phy_mask(dev, B43_LPPHY_TX_PWR_CTL_NNUM, 0xF8FF);
b43_phy_maskset(dev, B43_LPPHY_TX_PWR_CTL_CMD,
~B43_LPPHY_TX_PWR_CTL_CMD_MODE & 0xFFFF,
B43_LPPHY_TX_PWR_CTL_CMD_MODE_SW);
if (dev->phy.rev < 2) {
b43_phy_maskset(dev, B43_LPPHY_RF_OVERRIDE_0, 0xEFFF, 0x1000);
b43_phy_mask(dev, B43_LPPHY_RF_OVERRIDE_VAL_0, 0xEFFF);
} else {
lpphy_set_tx_power_by_index(dev, 0x7F);
}
b43_dummy_transmission(dev, true, true);
tmp = b43_phy_read(dev, B43_LPPHY_TX_PWR_CTL_STAT);
if (tmp & 0x8000) {
b43_phy_maskset(dev, B43_LPPHY_TX_PWR_CTL_IDLETSSI,
0xFFC0, (tmp & 0xFF) - 32);
}
b43_phy_mask(dev, B43_LPPHY_RF_OVERRIDE_0, 0xEFFF);
// (SPEC?) TODO Set "Target TX frequency" variable to 0
// SPEC FIXME "Set BB Multiplier to 0xE000" impossible - bb_mult is u8!
}
static void lpphy_tx_pctl_init_sw(struct b43_wldev *dev)
{
struct lpphy_tx_gains gains;
if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ) {
gains.gm = 4;
gains.pad = 12;
gains.pga = 12;
gains.dac = 0;
} else {
gains.gm = 7;
gains.pad = 14;
gains.pga = 15;
gains.dac = 0;
}
lpphy_set_tx_gains(dev, gains);
lpphy_set_bb_mult(dev, 150);
}
/* Initialize TX power control */
static void lpphy_tx_pctl_init(struct b43_wldev *dev)
{
if (0/*FIXME HWPCTL capable */) {
lpphy_tx_pctl_init_hw(dev);
} else { /* This device is only software TX power control capable. */
lpphy_tx_pctl_init_sw(dev);
}
}
static void lpphy_pr41573_workaround(struct b43_wldev *dev)
{
struct b43_phy_lp *lpphy = dev->phy.lp;
u32 *saved_tab;
const unsigned int saved_tab_size = 256;
enum b43_lpphy_txpctl_mode txpctl_mode;
s8 tx_pwr_idx_over;
u16 tssi_npt, tssi_idx;
saved_tab = kcalloc(saved_tab_size, sizeof(saved_tab[0]), GFP_KERNEL);
if (!saved_tab) {
b43err(dev->wl, "PR41573 failed. Out of memory!\n");
return;
}
lpphy_read_tx_pctl_mode_from_hardware(dev);
txpctl_mode = lpphy->txpctl_mode;
tx_pwr_idx_over = lpphy->tx_pwr_idx_over;
tssi_npt = lpphy->tssi_npt;
tssi_idx = lpphy->tssi_idx;
if (dev->phy.rev < 2) {
b43_lptab_read_bulk(dev, B43_LPTAB32(10, 0x140),
saved_tab_size, saved_tab);
} else {
b43_lptab_read_bulk(dev, B43_LPTAB32(7, 0x140),
saved_tab_size, saved_tab);
}
//FIXME PHY reset
lpphy_table_init(dev); //FIXME is table init needed?
lpphy_baseband_init(dev);
lpphy_tx_pctl_init(dev);
b43_lpphy_op_software_rfkill(dev, false);
lpphy_set_tx_power_control(dev, B43_LPPHY_TXPCTL_OFF);
if (dev->phy.rev < 2) {
b43_lptab_write_bulk(dev, B43_LPTAB32(10, 0x140),
saved_tab_size, saved_tab);
} else {
b43_lptab_write_bulk(dev, B43_LPTAB32(7, 0x140),
saved_tab_size, saved_tab);
}
b43_write16(dev, B43_MMIO_CHANNEL, lpphy->channel);
lpphy->tssi_npt = tssi_npt;
lpphy->tssi_idx = tssi_idx;
lpphy_set_analog_filter(dev, lpphy->channel);
if (tx_pwr_idx_over != -1)
lpphy_set_tx_power_by_index(dev, tx_pwr_idx_over);
if (lpphy->rc_cap)
lpphy_set_rc_cap(dev);
b43_lpphy_op_set_rx_antenna(dev, lpphy->antenna);
lpphy_set_tx_power_control(dev, txpctl_mode);
kfree(saved_tab);
}
struct lpphy_rx_iq_comp { u8 chan; s8 c1, c0; };
static const struct lpphy_rx_iq_comp lpphy_5354_iq_table[] = {
{ .chan = 1, .c1 = -66, .c0 = 15, },
{ .chan = 2, .c1 = -66, .c0 = 15, },
{ .chan = 3, .c1 = -66, .c0 = 15, },
{ .chan = 4, .c1 = -66, .c0 = 15, },
{ .chan = 5, .c1 = -66, .c0 = 15, },
{ .chan = 6, .c1 = -66, .c0 = 15, },
{ .chan = 7, .c1 = -66, .c0 = 14, },
{ .chan = 8, .c1 = -66, .c0 = 14, },
{ .chan = 9, .c1 = -66, .c0 = 14, },
{ .chan = 10, .c1 = -66, .c0 = 14, },
{ .chan = 11, .c1 = -66, .c0 = 14, },
{ .chan = 12, .c1 = -66, .c0 = 13, },
{ .chan = 13, .c1 = -66, .c0 = 13, },
{ .chan = 14, .c1 = -66, .c0 = 13, },
};
static const struct lpphy_rx_iq_comp lpphy_rev0_1_iq_table[] = {
{ .chan = 1, .c1 = -64, .c0 = 13, },
{ .chan = 2, .c1 = -64, .c0 = 13, },
{ .chan = 3, .c1 = -64, .c0 = 13, },
{ .chan = 4, .c1 = -64, .c0 = 13, },
{ .chan = 5, .c1 = -64, .c0 = 12, },
{ .chan = 6, .c1 = -64, .c0 = 12, },
{ .chan = 7, .c1 = -64, .c0 = 12, },
{ .chan = 8, .c1 = -64, .c0 = 12, },
{ .chan = 9, .c1 = -64, .c0 = 12, },
{ .chan = 10, .c1 = -64, .c0 = 11, },
{ .chan = 11, .c1 = -64, .c0 = 11, },
{ .chan = 12, .c1 = -64, .c0 = 11, },
{ .chan = 13, .c1 = -64, .c0 = 11, },
{ .chan = 14, .c1 = -64, .c0 = 10, },
{ .chan = 34, .c1 = -62, .c0 = 24, },
{ .chan = 38, .c1 = -62, .c0 = 24, },
{ .chan = 42, .c1 = -62, .c0 = 24, },
{ .chan = 46, .c1 = -62, .c0 = 23, },
{ .chan = 36, .c1 = -62, .c0 = 24, },
{ .chan = 40, .c1 = -62, .c0 = 24, },
{ .chan = 44, .c1 = -62, .c0 = 23, },
{ .chan = 48, .c1 = -62, .c0 = 23, },
{ .chan = 52, .c1 = -62, .c0 = 23, },
{ .chan = 56, .c1 = -62, .c0 = 22, },
{ .chan = 60, .c1 = -62, .c0 = 22, },
{ .chan = 64, .c1 = -62, .c0 = 22, },
{ .chan = 100, .c1 = -62, .c0 = 16, },
{ .chan = 104, .c1 = -62, .c0 = 16, },
{ .chan = 108, .c1 = -62, .c0 = 15, },
{ .chan = 112, .c1 = -62, .c0 = 14, },
{ .chan = 116, .c1 = -62, .c0 = 14, },
{ .chan = 120, .c1 = -62, .c0 = 13, },
{ .chan = 124, .c1 = -62, .c0 = 12, },
{ .chan = 128, .c1 = -62, .c0 = 12, },
{ .chan = 132, .c1 = -62, .c0 = 12, },
{ .chan = 136, .c1 = -62, .c0 = 11, },
{ .chan = 140, .c1 = -62, .c0 = 10, },
{ .chan = 149, .c1 = -61, .c0 = 9, },
{ .chan = 153, .c1 = -61, .c0 = 9, },
{ .chan = 157, .c1 = -61, .c0 = 9, },
{ .chan = 161, .c1 = -61, .c0 = 8, },
{ .chan = 165, .c1 = -61, .c0 = 8, },
{ .chan = 184, .c1 = -62, .c0 = 25, },
{ .chan = 188, .c1 = -62, .c0 = 25, },
{ .chan = 192, .c1 = -62, .c0 = 25, },
{ .chan = 196, .c1 = -62, .c0 = 25, },
{ .chan = 200, .c1 = -62, .c0 = 25, },
{ .chan = 204, .c1 = -62, .c0 = 25, },
{ .chan = 208, .c1 = -62, .c0 = 25, },
{ .chan = 212, .c1 = -62, .c0 = 25, },
{ .chan = 216, .c1 = -62, .c0 = 26, },
};
static const struct lpphy_rx_iq_comp lpphy_rev2plus_iq_comp = {
.chan = 0,
.c1 = -64,
.c0 = 0,
};
static int lpphy_calc_rx_iq_comp(struct b43_wldev *dev, u16 samples)
{
struct lpphy_iq_est iq_est;
u16 c0, c1;
int prod, ipwr, qpwr, prod_msb, q_msb, tmp1, tmp2, tmp3, tmp4, ret;
c1 = b43_phy_read(dev, B43_LPPHY_RX_COMP_COEFF_S);
c0 = c1 >> 8;
c1 |= 0xFF;
b43_phy_maskset(dev, B43_LPPHY_RX_COMP_COEFF_S, 0xFF00, 0x00C0);
b43_phy_mask(dev, B43_LPPHY_RX_COMP_COEFF_S, 0x00FF);
ret = lpphy_rx_iq_est(dev, samples, 32, &iq_est);
if (!ret)
goto out;
prod = iq_est.iq_prod;
ipwr = iq_est.i_pwr;
qpwr = iq_est.q_pwr;
if (ipwr + qpwr < 2) {
ret = 0;
goto out;
}
prod_msb = fls(abs(prod));
q_msb = fls(abs(qpwr));
tmp1 = prod_msb - 20;
if (tmp1 >= 0) {
tmp3 = ((prod << (30 - prod_msb)) + (ipwr >> (1 + tmp1))) /
(ipwr >> tmp1);
} else {
tmp3 = ((prod << (30 - prod_msb)) + (ipwr << (-1 - tmp1))) /
(ipwr << -tmp1);
}
tmp2 = q_msb - 11;
if (tmp2 >= 0)
tmp4 = (qpwr << (31 - q_msb)) / (ipwr >> tmp2);
else
tmp4 = (qpwr << (31 - q_msb)) / (ipwr << -tmp2);
tmp4 -= tmp3 * tmp3;
tmp4 = -int_sqrt(tmp4);
c0 = tmp3 >> 3;
c1 = tmp4 >> 4;
out:
b43_phy_maskset(dev, B43_LPPHY_RX_COMP_COEFF_S, 0xFF00, c1);
b43_phy_maskset(dev, B43_LPPHY_RX_COMP_COEFF_S, 0x00FF, c0 << 8);
return ret;
}
static void lpphy_run_samples(struct b43_wldev *dev, u16 samples, u16 loops,
u16 wait)
{
b43_phy_maskset(dev, B43_LPPHY_SMPL_PLAY_BUFFER_CTL,
0xFFC0, samples - 1);
if (loops != 0xFFFF)
loops--;
b43_phy_maskset(dev, B43_LPPHY_SMPL_PLAY_COUNT, 0xF000, loops);
b43_phy_maskset(dev, B43_LPPHY_SMPL_PLAY_BUFFER_CTL, 0x3F, wait << 6);
b43_phy_set(dev, B43_LPPHY_A_PHY_CTL_ADDR, 0x1);
}
//SPEC FIXME what does a negative freq mean?
static void lpphy_start_tx_tone(struct b43_wldev *dev, s32 freq, u16 max)
{
struct b43_phy_lp *lpphy = dev->phy.lp;
u16 buf[64];
int i, samples = 0, angle = 0;
int rotation = (((36 * freq) / 20) << 16) / 100;
struct b43_c32 sample;
lpphy->tx_tone_freq = freq;
if (freq) {
/* Find i for which abs(freq) integrally divides 20000 * i */
for (i = 1; samples * abs(freq) != 20000 * i; i++) {
samples = (20000 * i) / abs(freq);
if(B43_WARN_ON(samples > 63))
return;
}
} else {
samples = 2;
}
for (i = 0; i < samples; i++) {
sample = b43_cordic(angle);
angle += rotation;
buf[i] = CORDIC_CONVERT((sample.i * max) & 0xFF) << 8;
buf[i] |= CORDIC_CONVERT((sample.q * max) & 0xFF);
}
b43_lptab_write_bulk(dev, B43_LPTAB16(5, 0), samples, buf);
lpphy_run_samples(dev, samples, 0xFFFF, 0);
}
static void lpphy_stop_tx_tone(struct b43_wldev *dev)
{
struct b43_phy_lp *lpphy = dev->phy.lp;
int i;
lpphy->tx_tone_freq = 0;
b43_phy_mask(dev, B43_LPPHY_SMPL_PLAY_COUNT, 0xF000);
for (i = 0; i < 31; i++) {
if (!(b43_phy_read(dev, B43_LPPHY_A_PHY_CTL_ADDR) & 0x1))
break;
udelay(100);
}
}
static void lpphy_papd_cal(struct b43_wldev *dev, struct lpphy_tx_gains gains,
int mode, bool useindex, u8 index)
{
//TODO
}
static void lpphy_papd_cal_txpwr(struct b43_wldev *dev)
{
struct b43_phy_lp *lpphy = dev->phy.lp;
struct lpphy_tx_gains gains, oldgains;
int old_txpctl, old_afe_ovr, old_rf, old_bbmult;
lpphy_read_tx_pctl_mode_from_hardware(dev);
old_txpctl = lpphy->txpctl_mode;
old_afe_ovr = b43_phy_read(dev, B43_LPPHY_AFE_CTL_OVR) & 0x40;
if (old_afe_ovr)
oldgains = lpphy_get_tx_gains(dev);
old_rf = b43_phy_read(dev, B43_LPPHY_RF_PWR_OVERRIDE) & 0xFF;
old_bbmult = lpphy_get_bb_mult(dev);
lpphy_set_tx_power_control(dev, B43_LPPHY_TXPCTL_OFF);
if (dev->dev->chip_id == 0x4325 && dev->dev->chip_rev == 0)
lpphy_papd_cal(dev, gains, 0, 1, 30);
else
lpphy_papd_cal(dev, gains, 0, 1, 65);
if (old_afe_ovr)
lpphy_set_tx_gains(dev, oldgains);
lpphy_set_bb_mult(dev, old_bbmult);
lpphy_set_tx_power_control(dev, old_txpctl);
b43_phy_maskset(dev, B43_LPPHY_RF_PWR_OVERRIDE, 0xFF00, old_rf);
}
static int lpphy_rx_iq_cal(struct b43_wldev *dev, bool noise, bool tx,
bool rx, bool pa, struct lpphy_tx_gains *gains)
{
struct b43_phy_lp *lpphy = dev->phy.lp;
const struct lpphy_rx_iq_comp *iqcomp = NULL;
struct lpphy_tx_gains nogains, oldgains;
u16 tmp;
int i, ret;
memset(&nogains, 0, sizeof(nogains));
memset(&oldgains, 0, sizeof(oldgains));
if (dev->dev->chip_id == 0x5354) {
for (i = 0; i < ARRAY_SIZE(lpphy_5354_iq_table); i++) {
if (lpphy_5354_iq_table[i].chan == lpphy->channel) {
iqcomp = &lpphy_5354_iq_table[i];
}
}
} else if (dev->phy.rev >= 2) {
iqcomp = &lpphy_rev2plus_iq_comp;
} else {
for (i = 0; i < ARRAY_SIZE(lpphy_rev0_1_iq_table); i++) {
if (lpphy_rev0_1_iq_table[i].chan == lpphy->channel) {
iqcomp = &lpphy_rev0_1_iq_table[i];
}
}
}
if (B43_WARN_ON(!iqcomp))
return 0;
b43_phy_maskset(dev, B43_LPPHY_RX_COMP_COEFF_S, 0xFF00, iqcomp->c1);
b43_phy_maskset(dev, B43_LPPHY_RX_COMP_COEFF_S,
0x00FF, iqcomp->c0 << 8);
if (noise) {
tx = true;
rx = false;
pa = false;
}
lpphy_set_trsw_over(dev, tx, rx);
if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ) {
b43_phy_set(dev, B43_LPPHY_RF_OVERRIDE_0, 0x8);
b43_phy_maskset(dev, B43_LPPHY_RF_OVERRIDE_VAL_0,
0xFFF7, pa << 3);
} else {
b43_phy_set(dev, B43_LPPHY_RF_OVERRIDE_0, 0x20);
b43_phy_maskset(dev, B43_LPPHY_RF_OVERRIDE_VAL_0,
0xFFDF, pa << 5);
}
tmp = b43_phy_read(dev, B43_LPPHY_AFE_CTL_OVR) & 0x40;
if (noise)
lpphy_set_rx_gain(dev, 0x2D5D);
else {
if (tmp)
oldgains = lpphy_get_tx_gains(dev);
if (!gains)
gains = &nogains;
lpphy_set_tx_gains(dev, *gains);
}
b43_phy_mask(dev, B43_LPPHY_AFE_CTL_OVR, 0xFFFE);
b43_phy_mask(dev, B43_LPPHY_AFE_CTL_OVRVAL, 0xFFFE);
b43_phy_set(dev, B43_LPPHY_RF_OVERRIDE_0, 0x800);
b43_phy_set(dev, B43_LPPHY_RF_OVERRIDE_VAL_0, 0x800);
lpphy_set_deaf(dev, false);
if (noise)
ret = lpphy_calc_rx_iq_comp(dev, 0xFFF0);
else {
lpphy_start_tx_tone(dev, 4000, 100);
ret = lpphy_calc_rx_iq_comp(dev, 0x4000);
lpphy_stop_tx_tone(dev);
}
lpphy_clear_deaf(dev, false);
b43_phy_mask(dev, B43_LPPHY_RF_OVERRIDE_0, 0xFFFC);
b43_phy_mask(dev, B43_LPPHY_RF_OVERRIDE_0, 0xFFF7);
b43_phy_mask(dev, B43_LPPHY_RF_OVERRIDE_0, 0xFFDF);
if (!noise) {
if (tmp)
lpphy_set_tx_gains(dev, oldgains);
else
lpphy_disable_tx_gain_override(dev);
}
lpphy_disable_rx_gain_override(dev);
b43_phy_mask(dev, B43_LPPHY_AFE_CTL_OVR, 0xFFFE);
b43_phy_mask(dev, B43_LPPHY_AFE_CTL_OVRVAL, 0xF7FF);
return ret;
}
static void lpphy_calibration(struct b43_wldev *dev)
{
struct b43_phy_lp *lpphy = dev->phy.lp;
enum b43_lpphy_txpctl_mode saved_pctl_mode;
bool full_cal = false;
if (lpphy->full_calib_chan != lpphy->channel) {
full_cal = true;
lpphy->full_calib_chan = lpphy->channel;
}
b43_mac_suspend(dev);
lpphy_btcoex_override(dev);
if (dev->phy.rev >= 2)
lpphy_save_dig_flt_state(dev);
lpphy_read_tx_pctl_mode_from_hardware(dev);
saved_pctl_mode = lpphy->txpctl_mode;
lpphy_set_tx_power_control(dev, B43_LPPHY_TXPCTL_OFF);
//TODO Perform transmit power table I/Q LO calibration
if ((dev->phy.rev == 0) && (saved_pctl_mode != B43_LPPHY_TXPCTL_OFF))
lpphy_pr41573_workaround(dev);
if ((dev->phy.rev >= 2) && full_cal) {
lpphy_papd_cal_txpwr(dev);
}
lpphy_set_tx_power_control(dev, saved_pctl_mode);
if (dev->phy.rev >= 2)
lpphy_restore_dig_flt_state(dev);
lpphy_rx_iq_cal(dev, true, true, false, false, NULL);
b43_mac_enable(dev);
}
static void b43_lpphy_op_maskset(struct b43_wldev *dev, u16 reg, u16 mask,
u16 set)
{
b43_write16f(dev, B43_MMIO_PHY_CONTROL, reg);
b43_write16(dev, B43_MMIO_PHY_DATA,
(b43_read16(dev, B43_MMIO_PHY_DATA) & mask) | set);
}
static u16 b43_lpphy_op_radio_read(struct b43_wldev *dev, u16 reg)
{
/* Register 1 is a 32-bit register. */
B43_WARN_ON(reg == 1);
/* LP-PHY needs a special bit set for read access */
if (dev->phy.rev < 2) {
if (reg != 0x4001)
reg |= 0x100;
} else
reg |= 0x200;
b43_write16f(dev, B43_MMIO_RADIO_CONTROL, reg);
return b43_read16(dev, B43_MMIO_RADIO_DATA_LOW);
}
static void b43_lpphy_op_radio_write(struct b43_wldev *dev, u16 reg, u16 value)
{
/* Register 1 is a 32-bit register. */
B43_WARN_ON(reg == 1);
b43_write16f(dev, B43_MMIO_RADIO_CONTROL, reg);
b43_write16(dev, B43_MMIO_RADIO_DATA_LOW, value);
}
struct b206x_channel {
u8 channel;
u16 freq;
u8 data[12];
};
static const struct b206x_channel b2062_chantbl[] = {
{ .channel = 1, .freq = 2412, .data[0] = 0xFF, .data[1] = 0xFF,
.data[2] = 0xB5, .data[3] = 0x1B, .data[4] = 0x24, .data[5] = 0x32,
.data[6] = 0x32, .data[7] = 0x88, .data[8] = 0x88, },
{ .channel = 2, .freq = 2417, .data[0] = 0xFF, .data[1] = 0xFF,
.data[2] = 0xB5, .data[3] = 0x1B, .data[4] = 0x24, .data[5] = 0x32,
.data[6] = 0x32, .data[7] = 0x88, .data[8] = 0x88, },
{ .channel = 3, .freq = 2422, .data[0] = 0xFF, .data[1] = 0xFF,
.data[2] = 0xB5, .data[3] = 0x1B, .data[4] = 0x24, .data[5] = 0x32,
.data[6] = 0x32, .data[7] = 0x88, .data[8] = 0x88, },
{ .channel = 4, .freq = 2427, .data[0] = 0xFF, .data[1] = 0xFF,
.data[2] = 0xB5, .data[3] = 0x1B, .data[4] = 0x24, .data[5] = 0x32,
.data[6] = 0x32, .data[7] = 0x88, .data[8] = 0x88, },
{ .channel = 5, .freq = 2432, .data[0] = 0xFF, .data[1] = 0xFF,
.data[2] = 0xB5, .data[3] = 0x1B, .data[4] = 0x24, .data[5] = 0x32,
.data[6] = 0x32, .data[7] = 0x88, .data[8] = 0x88, },
{ .channel = 6, .freq = 2437, .data[0] = 0xFF, .data[1] = 0xFF,
.data[2] = 0xB5, .data[3] = 0x1B, .data[4] = 0x24, .data[5] = 0x32,
.data[6] = 0x32, .data[7] = 0x88, .data[8] = 0x88, },
{ .channel = 7, .freq = 2442, .data[0] = 0xFF, .data[1] = 0xFF,
.data[2] = 0xB5, .data[3] = 0x1B, .data[4] = 0x24, .data[5] = 0x32,
.data[6] = 0x32, .data[7] = 0x88, .data[8] = 0x88, },
{ .channel = 8, .freq = 2447, .data[0] = 0xFF, .data[1] = 0xFF,
.data[2] = 0xB5, .data[3] = 0x1B, .data[4] = 0x24, .data[5] = 0x32,
.data[6] = 0x32, .data[7] = 0x88, .data[8] = 0x88, },
{ .channel = 9, .freq = 2452, .data[0] = 0xFF, .data[1] = 0xFF,
.data[2] = 0xB5, .data[3] = 0x1B, .data[4] = 0x24, .data[5] = 0x32,
.data[6] = 0x32, .data[7] = 0x88, .data[8] = 0x88, },
{ .channel = 10, .freq = 2457, .data[0] = 0xFF, .data[1] = 0xFF,
.data[2] = 0xB5, .data[3] = 0x1B, .data[4] = 0x24, .data[5] = 0x32,
.data[6] = 0x32, .data[7] = 0x88, .data[8] = 0x88, },
{ .channel = 11, .freq = 2462, .data[0] = 0xFF, .data[1] = 0xFF,
.data[2] = 0xB5, .data[3] = 0x1B, .data[4] = 0x24, .data[5] = 0x32,
.data[6] = 0x32, .data[7] = 0x88, .data[8] = 0x88, },
{ .channel = 12, .freq = 2467, .data[0] = 0xFF, .data[1] = 0xFF,
.data[2] = 0xB5, .data[3] = 0x1B, .data[4] = 0x24, .data[5] = 0x32,
.data[6] = 0x32, .data[7] = 0x88, .data[8] = 0x88, },
{ .channel = 13, .freq = 2472, .data[0] = 0xFF, .data[1] = 0xFF,
.data[2] = 0xB5, .data[3] = 0x1B, .data[4] = 0x24, .data[5] = 0x32,
.data[6] = 0x32, .data[7] = 0x88, .data[8] = 0x88, },
{ .channel = 14, .freq = 2484, .data[0] = 0xFF, .data[1] = 0xFF,
.data[2] = 0xB5, .data[3] = 0x1B, .data[4] = 0x24, .data[5] = 0x32,
.data[6] = 0x32, .data[7] = 0x88, .data[8] = 0x88, },
{ .channel = 34, .freq = 5170, .data[0] = 0x00, .data[1] = 0x22,
.data[2] = 0x20, .data[3] = 0x84, .data[4] = 0x3C, .data[5] = 0x77,
.data[6] = 0x35, .data[7] = 0xFF, .data[8] = 0x88, },
{ .channel = 38, .freq = 5190, .data[0] = 0x00, .data[1] = 0x11,
.data[2] = 0x10, .data[3] = 0x83, .data[4] = 0x3C, .data[5] = 0x77,
.data[6] = 0x35, .data[7] = 0xFF, .data[8] = 0x88, },
{ .channel = 42, .freq = 5210, .data[0] = 0x00, .data[1] = 0x11,
.data[2] = 0x10, .data[3] = 0x83, .data[4] = 0x3C, .data[5] = 0x77,
.data[6] = 0x35, .data[7] = 0xFF, .data[8] = 0x88, },
{ .channel = 46, .freq = 5230, .data[0] = 0x00, .data[1] = 0x00,
.data[2] = 0x00, .data[3] = 0x83, .data[4] = 0x3C, .data[5] = 0x77,
.data[6] = 0x35, .data[7] = 0xFF, .data[8] = 0x88, },
{ .channel = 36, .freq = 5180, .data[0] = 0x00, .data[1] = 0x11,
.data[2] = 0x20, .data[3] = 0x83, .data[4] = 0x3C, .data[5] = 0x77,
.data[6] = 0x35, .data[7] = 0xFF, .data[8] = 0x88, },
{ .channel = 40, .freq = 5200, .data[0] = 0x00, .data[1] = 0x11,
.data[2] = 0x10, .data[3] = 0x84, .data[4] = 0x3C, .data[5] = 0x77,
.data[6] = 0x35, .data[7] = 0xFF, .data[8] = 0x88, },
{ .channel = 44, .freq = 5220, .data[0] = 0x00, .data[1] = 0x11,
.data[2] = 0x00, .data[3] = 0x83, .data[4] = 0x3C, .data[5] = 0x77,
.data[6] = 0x35, .data[7] = 0xFF, .data[8] = 0x88, },
{ .channel = 48, .freq = 5240, .data[0] = 0x00, .data[1] = 0x00,
.data[2] = 0x00, .data[3] = 0x83, .data[4] = 0x3C, .data[5] = 0x77,
.data[6] = 0x35, .data[7] = 0xFF, .data[8] = 0x88, },
{ .channel = 52, .freq = 5260, .data[0] = 0x00, .data[1] = 0x00,
.data[2] = 0x00, .data[3] = 0x83, .data[4] = 0x3C, .data[5] = 0x77,
.data[6] = 0x35, .data[7] = 0xFF, .data[8] = 0x88, },
{ .channel = 56, .freq = 5280, .data[0] = 0x00, .data[1] = 0x00,
.data[2] = 0x00, .data[3] = 0x83, .data[4] = 0x3C, .data[5] = 0x77,
.data[6] = 0x35, .data[7] = 0xFF, .data[8] = 0x88, },
{ .channel = 60, .freq = 5300, .data[0] = 0x00, .data[1] = 0x00,
.data[2] = 0x00, .data[3] = 0x63, .data[4] = 0x3C, .data[5] = 0x77,
.data[6] = 0x35, .data[7] = 0xFF, .data[8] = 0x88, },
{ .channel = 64, .freq = 5320, .data[0] = 0x00, .data[1] = 0x00,
.data[2] = 0x00, .data[3] = 0x62, .data[4] = 0x3C, .data[5] = 0x77,
.data[6] = 0x35, .data[7] = 0xFF, .data[8] = 0x88, },
{ .channel = 100, .freq = 5500, .data[0] = 0x00, .data[1] = 0x00,
.data[2] = 0x00, .data[3] = 0x30, .data[4] = 0x3C, .data[5] = 0x77,
.data[6] = 0x37, .data[7] = 0xFF, .data[8] = 0x88, },