This implements the following calibration functions:
-Set TX IQCC
-Set TX Power by Index
-PR41573 workaround
-Calc RX IQ Comp
-PHY Cordic
-Run Samples
-Start/Stop TX Tone
-part of PAPD Cal TX Power
-RX I/Q Calibration
-The basic structure of the periodic calibration wrapper
Software RFKILL (required by calibration) is also implemented in
this round.
Signed-off-by: Gábor Stefanik <netrolller.3d@xxxxxxxxx>
---
V2: Fix a mistake I made in the PHY Cordic routine.
drivers/net/wireless/b43/main.c | 2 +-
drivers/net/wireless/b43/main.h | 2 +
drivers/net/wireless/b43/phy_lp.c | 686 ++++++++++++++++++++++++++++++++-----
drivers/net/wireless/b43/phy_lp.h | 11 +-
4 files changed, 613 insertions(+), 88 deletions(-)
diff --git a/drivers/net/wireless/b43/main.c b/drivers/net/wireless/b43/main.c
index f2c5b2d..59bee02 100644
--- a/drivers/net/wireless/b43/main.c
+++ b/drivers/net/wireless/b43/main.c
@@ -3345,7 +3345,7 @@ static void b43_op_set_tsf(struct ieee80211_hw *hw, u64 tsf)
mutex_unlock(&wl->mutex);
}
-static void b43_put_phy_into_reset(struct b43_wldev *dev)
+void b43_put_phy_into_reset(struct b43_wldev *dev)
{
struct ssb_device *sdev = dev->dev;
u32 tmslow;
diff --git a/drivers/net/wireless/b43/main.h b/drivers/net/wireless/b43/main.h
index 0406e06..fdbea9a 100644
--- a/drivers/net/wireless/b43/main.h
+++ b/drivers/net/wireless/b43/main.h
@@ -129,6 +129,8 @@ void b43_wireless_core_reset(struct b43_wldev *dev, u32 flags);
void b43_controller_restart(struct b43_wldev *dev, const char *reason);
+void b43_put_phy_into_reset(struct b43_wldev *dev);
+
#define B43_PS_ENABLED (1 << 0) /* Force enable hardware power saving */
#define B43_PS_DISABLED (1 << 1) /* Force disable hardware power saving */
#define B43_PS_AWAKE (1 << 2) /* Force device awake */
diff --git a/drivers/net/wireless/b43/phy_lp.c b/drivers/net/wireless/b43/phy_lp.c
index 5fff30a..c13385b 100644
--- a/drivers/net/wireless/b43/phy_lp.c
+++ b/drivers/net/wireless/b43/phy_lp.c
@@ -67,6 +67,7 @@ static void b43_lpphy_op_prepare_structs(struct b43_wldev *dev)
struct b43_phy_lp *lpphy = phy->lp;
memset(lpphy, 0, sizeof(*lpphy));
+ lpphy->antenna = B43_ANTENNA_DEFAULT;
//TODO
}
@@ -751,11 +752,17 @@ static void lpphy_clear_deaf(struct b43_wldev *dev, bool user)
}
}
+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);
- b43_phy_maskset(dev, B43_LPPHY_RF_OVERRIDE_VAL_0, 0xFFFC, 0x1);
- b43_phy_set(dev, B43_LPPHY_RF_OVERRIDE_0, 0x3);
+ 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);
@@ -790,6 +797,60 @@ static void lpphy_restore_crs(struct b43_wldev *dev, bool user)
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;
@@ -819,6 +880,17 @@ static void lpphy_set_dac_gain(struct b43_wldev *dev, u16 dac)
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)
{
@@ -829,8 +901,7 @@ static void lpphy_set_tx_gains(struct b43_wldev *dev,
b43_phy_maskset(dev, B43_LPPHY_TX_GAIN_CTL_OVERRIDE_VAL,
0xF800, rf_gain);
} else {
- pa_gain = b43_phy_read(dev, B43_PHY_OFDM(0xFB)) & 0x1FC0;
- pa_gain <<= 2;
+ pa_gain = lpphy_get_pa_gain(dev);
b43_phy_write(dev, B43_LPPHY_TX_GAIN_CTL_OVERRIDE_VAL,
(gains.pga << 8) | gains.gm);
b43_phy_maskset(dev, B43_PHY_OFDM(0xFB),
@@ -841,13 +912,7 @@ static void lpphy_set_tx_gains(struct b43_wldev *dev,
0x8000, gains.pad | pa_gain);
}
lpphy_set_dac_gain(dev, gains.dac);
- if (dev->phy.rev < 2) {
- b43_phy_maskset(dev, B43_LPPHY_RF_OVERRIDE_2, 0xFEFF, 1 << 8);
- } else {
- b43_phy_maskset(dev, B43_LPPHY_RF_OVERRIDE_2, 0xFF7F, 1 << 7);
- b43_phy_maskset(dev, B43_LPPHY_RF_OVERRIDE_2, 0xBFFF, 1 << 14);
- }
- b43_phy_maskset(dev, B43_LPPHY_AFE_CTL_OVR, 0xFFBF, 1 << 6);
+ lpphy_enable_tx_gain_override(dev);
}
static void lpphy_rev0_1_set_rx_gain(struct b43_wldev *dev, u32 gain)
@@ -887,38 +952,6 @@ static void lpphy_rev2plus_set_rx_gain(struct b43_wldev *dev, u32 gain)
}
}
-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_set_rx_gain(struct b43_wldev *dev, u32 gain)
{
if (dev->phy.rev < 2)
@@ -1003,8 +1036,7 @@ static int lpphy_loopback(struct b43_wldev *dev)
memset(&iq_est, 0, sizeof(iq_est));
- b43_phy_maskset(dev, B43_LPPHY_RF_OVERRIDE_VAL_0, 0xFFFC, 0x3);
- b43_phy_set(dev, B43_LPPHY_RF_OVERRIDE_0, 0x3);
+ 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);
@@ -1126,7 +1158,7 @@ static void lpphy_set_tx_power_control(struct b43_wldev *dev,
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
- //TODO Disable TX gain override
+ lpphy_disable_tx_gain_override(dev);
lpphy->tx_pwr_idx_over = -1;
}
}
@@ -1312,15 +1344,73 @@ static void lpphy_calibrate_rc(struct b43_wldev *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);
-
- //TODO
+ 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)
@@ -1329,6 +1419,47 @@ static void lpphy_btcoex_override(struct b43_wldev *dev)
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_pr41573_workaround(struct b43_wldev *dev)
{
struct b43_phy_lp *lpphy = dev->phy.lp;
@@ -1357,28 +1488,440 @@ static void lpphy_pr41573_workaround(struct b43_wldev *dev)
b43_lptab_read_bulk(dev, B43_LPTAB32(7, 0x140),
saved_tab_size, saved_tab);
}
+ b43_put_phy_into_reset(dev);
+ b43_phy_mask(dev, B43_LPPHY_AFE_CTL_OVR, 0xFFF8);
+ lpphy_table_init(dev); //FIXME is table init needed?
+ lpphy_baseband_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 u8 lpphy_nbits(s32 val)
+{
+ u32 tmp = abs(val);
+ u8 nbits = 0;
+
+ while (tmp != 0) {
+ nbits++;
+ tmp >>= 1;
+ }
+
+ return nbits;
+}
+
+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 = lpphy_nbits(prod);
+ q_msb = lpphy_nbits(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;
+}
+
+/* Complex number using 2 32-bit signed integers */
+typedef struct {s32 i, q;} lpphy_c32;
+
+static lpphy_c32 lpphy_cordic(int theta)
+{
+ u32 arctg[] = { 2949120, 1740967, 919879, 466945, 234379, 117304,
+ 58666, 29335, 14668, 7334, 3667, 1833, 917, 458,
+ 229, 115, 57, 29, };
+ int i, tmp, signx = 1, angle = 0;
+ lpphy_c32 ret = { .i = 39797, .q = 0, };
+
+ theta = clamp_t(int, theta, -180, 180);
+
+ if (theta > 90) {
+ theta -= 180;
+ signx = -1;
+ } else if (theta < -90) {
+ theta += 180;
+ signx = -1;
+ }
+
+ for (i = 0; i <= 17; i++) {
+ if (theta > angle) {
+ tmp = ret.i - (ret.q >> i);
+ ret.q += ret.i >> i;
+ ret.i = tmp;
+ angle += arctg[i];
+ } else {
+ tmp = ret.i + (ret.q >> i);
+ ret.q -= ret.i >> i;
+ ret.i = tmp;
+ angle -= arctg[i];
+ }
+ }
+
+ ret.i *= signx;
+ ret.q *= signx;
+
+ 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, angle = 0, rotation = (9 * freq) / 500;
+ lpphy_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 = lpphy_cordic(angle);
+ angle += rotation;
+ buf[i] = ((sample.i * max) & 0xFF) << 8;
+ buf[i] |= (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
+}
- kfree(saved_tab);
+static void lpphy_papd_cal_txpwr(struct b43_wldev *dev)
+{
+ struct b43_phy_lp *lpphy = dev->phy.lp;
+ struct ssb_bus *bus = dev->dev->bus;
+ 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 (bus->chip_id == 0x4325 && bus->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;
+ struct ssb_bus *bus = dev->dev->bus;
+ 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 (bus->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);
+ }
+ 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);
- //TODO If a full calibration has not been performed on this channel yet, perform PAPD TX-power calibration
+ if ((dev->phy.rev >= 2) && full_cal) {
+ lpphy_papd_cal_txpwr(dev);
+ }
lpphy_set_tx_power_control(dev, saved_pctl_mode);
- //TODO Perform I/Q calibration with a single control value set
+ 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);
}
@@ -1532,12 +2075,6 @@ static void b43_lpphy_op_radio_write(struct b43_wldev *dev, u16 reg, u16 value)
b43_write16(dev, B43_MMIO_RADIO_DATA_LOW, value);
}
-static void b43_lpphy_op_software_rfkill(struct b43_wldev *dev,
- bool blocked)
-{
- //TODO
-}
-
struct b206x_channel {
u8 channel;
u16 freq;
@@ -2003,22 +2540,6 @@ static int lpphy_b2062_tune(struct b43_wldev *dev,
return err;
}
-
-/* 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_b2063_vco_calib(struct b43_wldev *dev)
{
u16 tmp;
@@ -2203,18 +2724,6 @@ static int b43_lpphy_op_init(struct b43_wldev *dev)
return 0;
}
-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_phy_maskset(dev, B43_LPPHY_CRSGAIN_CTL, 0xFFFD, antenna & 0x2);
- b43_phy_maskset(dev, B43_LPPHY_CRSGAIN_CTL, 0xFFFE, antenna & 0x1);
-}
-
static void b43_lpphy_op_adjust_txpower(struct b43_wldev *dev)
{
//TODO
@@ -2227,6 +2736,11 @@ static enum b43_txpwr_result b43_lpphy_op_recalc_txpower(struct b43_wldev *dev,
return B43_TXPWR_RES_DONE;
}
+static void b43_lpphy_op_pwork_15sec(struct b43_wldev *dev)
+{
+ //TODO
+}
+
const struct b43_phy_operations b43_phyops_lp = {
.allocate = b43_lpphy_op_allocate,
.free = b43_lpphy_op_free,
@@ -2244,4 +2758,6 @@ const struct b43_phy_operations b43_phyops_lp = {
.set_rx_antenna = b43_lpphy_op_set_rx_antenna,
.recalc_txpower = b43_lpphy_op_recalc_txpower,
.adjust_txpower = b43_lpphy_op_adjust_txpower,
+ .pwork_15sec = b43_lpphy_op_pwork_15sec,
+ .pwork_60sec = lpphy_calibration,
};
diff --git a/drivers/net/wireless/b43/phy_lp.h b/drivers/net/wireless/b43/phy_lp.h
index c3232c1..62737f7 100644
--- a/drivers/net/wireless/b43/phy_lp.h
+++ b/drivers/net/wireless/b43/phy_lp.h
@@ -286,6 +286,7 @@
#define B43_LPPHY_TR_LOOKUP_6 B43_PHY_OFDM(0xC8) /* TR Lookup 6 */
#define B43_LPPHY_TR_LOOKUP_7 B43_PHY_OFDM(0xC9) /* TR Lookup 7 */
#define B43_LPPHY_TR_LOOKUP_8 B43_PHY_OFDM(0xCA) /* TR Lookup 8 */
+#define B43_LPPHY_RF_PWR_OVERRIDE B43_PHY_OFDM(0xD3) /* RF power override */
@@ -871,12 +872,12 @@ struct b43_phy_lp {
u8 rssi_gs;
/* RC cap */
- u8 rc_cap; /* FIXME initial value? */
+ u8 rc_cap;
/* BX arch */
u8 bx_arch;
/* Full calibration channel */
- u8 full_calib_chan; /* FIXME initial value? */
+ u8 full_calib_chan;
/* Transmit iqlocal best coeffs */
bool tx_iqloc_best_coeffs_valid;
@@ -891,6 +892,12 @@ struct b43_phy_lp {
/* The channel we are tuned to */
u8 channel;
+
+ /* The active antenna diversity mode */
+ int antenna;
+
+ /* Frequency of the active TX tone */
+ int tx_tone_freq;
};
enum tssi_mux_mode {
--
1.6.2.4
--
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