diff options
author | Gábor Stefanik <netrolller.3d@gmail.com> | 2009-10-25 11:26:36 -0400 |
---|---|---|
committer | John W. Linville <linville@tuxdriver.com> | 2009-10-30 16:49:18 -0400 |
commit | 2c0d6100da3ee9b0f0cc46add9bb8a8161299a92 (patch) | |
tree | 8b7cd7c6cfb7c1370070a3f44f186c02417d9fbd /drivers/net/wireless/b43 | |
parent | 29906f6a427d2004a515ebbcdc7b28bae8f6c19c (diff) |
b43: LP-PHY: Begin implementing calibration & software RFKILL support
This implements the following calibration functions:
-Set TX IQCC
-Set TX Power by Index
-PR41573 workaround (incomplete, needs PHY reset)
-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@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'drivers/net/wireless/b43')
-rw-r--r-- | drivers/net/wireless/b43/phy_lp.c | 783 | ||||
-rw-r--r-- | drivers/net/wireless/b43/phy_lp.h | 11 |
2 files changed, 658 insertions, 136 deletions
diff --git a/drivers/net/wireless/b43/phy_lp.c b/drivers/net/wireless/b43/phy_lp.c index c6987b147af4..3e046ec1ff86 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) | |||
67 | struct b43_phy_lp *lpphy = phy->lp; | 67 | struct b43_phy_lp *lpphy = phy->lp; |
68 | 68 | ||
69 | memset(lpphy, 0, sizeof(*lpphy)); | 69 | memset(lpphy, 0, sizeof(*lpphy)); |
70 | lpphy->antenna = B43_ANTENNA_DEFAULT; | ||
70 | 71 | ||
71 | //TODO | 72 | //TODO |
72 | } | 73 | } |
@@ -379,8 +380,6 @@ static void lpphy_save_dig_flt_state(struct b43_wldev *dev) | |||
379 | } | 380 | } |
380 | } | 381 | } |
381 | 382 | ||
382 | /* lpphy_restore_dig_flt_state is unused but kept as a reference */ | ||
383 | #if 0 | ||
384 | static void lpphy_restore_dig_flt_state(struct b43_wldev *dev) | 383 | static void lpphy_restore_dig_flt_state(struct b43_wldev *dev) |
385 | { | 384 | { |
386 | static const u16 addr[] = { | 385 | static const u16 addr[] = { |
@@ -401,7 +400,6 @@ static void lpphy_restore_dig_flt_state(struct b43_wldev *dev) | |||
401 | for (i = 0; i < ARRAY_SIZE(addr); i++) | 400 | for (i = 0; i < ARRAY_SIZE(addr); i++) |
402 | b43_phy_write(dev, addr[i], lpphy->dig_flt_state[i]); | 401 | b43_phy_write(dev, addr[i], lpphy->dig_flt_state[i]); |
403 | } | 402 | } |
404 | #endif | ||
405 | 403 | ||
406 | static void lpphy_baseband_rev2plus_init(struct b43_wldev *dev) | 404 | static void lpphy_baseband_rev2plus_init(struct b43_wldev *dev) |
407 | { | 405 | { |
@@ -754,11 +752,17 @@ static void lpphy_clear_deaf(struct b43_wldev *dev, bool user) | |||
754 | } | 752 | } |
755 | } | 753 | } |
756 | 754 | ||
755 | static void lpphy_set_trsw_over(struct b43_wldev *dev, bool tx, bool rx) | ||
756 | { | ||
757 | u16 trsw = (tx << 1) | rx; | ||
758 | b43_phy_maskset(dev, B43_LPPHY_RF_OVERRIDE_VAL_0, 0xFFFC, trsw); | ||
759 | b43_phy_set(dev, B43_LPPHY_RF_OVERRIDE_0, 0x3); | ||
760 | } | ||
761 | |||
757 | static void lpphy_disable_crs(struct b43_wldev *dev, bool user) | 762 | static void lpphy_disable_crs(struct b43_wldev *dev, bool user) |
758 | { | 763 | { |
759 | lpphy_set_deaf(dev, user); | 764 | lpphy_set_deaf(dev, user); |
760 | b43_phy_maskset(dev, B43_LPPHY_RF_OVERRIDE_VAL_0, 0xFFFC, 0x1); | 765 | lpphy_set_trsw_over(dev, false, true); |
761 | b43_phy_set(dev, B43_LPPHY_RF_OVERRIDE_0, 0x3); | ||
762 | b43_phy_mask(dev, B43_LPPHY_RF_OVERRIDE_VAL_0, 0xFFFB); | 766 | b43_phy_mask(dev, B43_LPPHY_RF_OVERRIDE_VAL_0, 0xFFFB); |
763 | b43_phy_set(dev, B43_LPPHY_RF_OVERRIDE_0, 0x4); | 767 | b43_phy_set(dev, B43_LPPHY_RF_OVERRIDE_0, 0x4); |
764 | b43_phy_mask(dev, B43_LPPHY_RF_OVERRIDE_VAL_0, 0xFFF7); | 768 | b43_phy_mask(dev, B43_LPPHY_RF_OVERRIDE_VAL_0, 0xFFF7); |
@@ -793,6 +797,60 @@ static void lpphy_restore_crs(struct b43_wldev *dev, bool user) | |||
793 | 797 | ||
794 | struct lpphy_tx_gains { u16 gm, pga, pad, dac; }; | 798 | struct lpphy_tx_gains { u16 gm, pga, pad, dac; }; |
795 | 799 | ||
800 | static void lpphy_disable_rx_gain_override(struct b43_wldev *dev) | ||
801 | { | ||
802 | b43_phy_mask(dev, B43_LPPHY_RF_OVERRIDE_0, 0xFFFE); | ||
803 | b43_phy_mask(dev, B43_LPPHY_RF_OVERRIDE_0, 0xFFEF); | ||
804 | b43_phy_mask(dev, B43_LPPHY_RF_OVERRIDE_0, 0xFFBF); | ||
805 | if (dev->phy.rev >= 2) { | ||
806 | b43_phy_mask(dev, B43_LPPHY_RF_OVERRIDE_2, 0xFEFF); | ||
807 | if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ) { | ||
808 | b43_phy_mask(dev, B43_LPPHY_RF_OVERRIDE_2, 0xFBFF); | ||
809 | b43_phy_mask(dev, B43_PHY_OFDM(0xE5), 0xFFF7); | ||
810 | } | ||
811 | } else { | ||
812 | b43_phy_mask(dev, B43_LPPHY_RF_OVERRIDE_2, 0xFDFF); | ||
813 | } | ||
814 | } | ||
815 | |||
816 | static void lpphy_enable_rx_gain_override(struct b43_wldev *dev) | ||
817 | { | ||
818 | b43_phy_set(dev, B43_LPPHY_RF_OVERRIDE_0, 0x1); | ||
819 | b43_phy_set(dev, B43_LPPHY_RF_OVERRIDE_0, 0x10); | ||
820 | b43_phy_set(dev, B43_LPPHY_RF_OVERRIDE_0, 0x40); | ||
821 | if (dev->phy.rev >= 2) { | ||
822 | b43_phy_set(dev, B43_LPPHY_RF_OVERRIDE_2, 0x100); | ||
823 | if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ) { | ||
824 | b43_phy_set(dev, B43_LPPHY_RF_OVERRIDE_2, 0x400); | ||
825 | b43_phy_set(dev, B43_PHY_OFDM(0xE5), 0x8); | ||
826 | } | ||
827 | } else { | ||
828 | b43_phy_set(dev, B43_LPPHY_RF_OVERRIDE_2, 0x200); | ||
829 | } | ||
830 | } | ||
831 | |||
832 | static void lpphy_disable_tx_gain_override(struct b43_wldev *dev) | ||
833 | { | ||
834 | if (dev->phy.rev < 2) | ||
835 | b43_phy_mask(dev, B43_LPPHY_RF_OVERRIDE_2, 0xFEFF); | ||
836 | else { | ||
837 | b43_phy_mask(dev, B43_LPPHY_RF_OVERRIDE_2, 0xFF7F); | ||
838 | b43_phy_mask(dev, B43_LPPHY_RF_OVERRIDE_2, 0xBFFF); | ||
839 | } | ||
840 | b43_phy_mask(dev, B43_LPPHY_AFE_CTL_OVR, 0xFFBF); | ||
841 | } | ||
842 | |||
843 | static void lpphy_enable_tx_gain_override(struct b43_wldev *dev) | ||
844 | { | ||
845 | if (dev->phy.rev < 2) | ||
846 | b43_phy_set(dev, B43_LPPHY_RF_OVERRIDE_2, 0x100); | ||
847 | else { | ||
848 | b43_phy_set(dev, B43_LPPHY_RF_OVERRIDE_2, 0x80); | ||
849 | b43_phy_set(dev, B43_LPPHY_RF_OVERRIDE_2, 0x4000); | ||
850 | } | ||
851 | b43_phy_set(dev, B43_LPPHY_AFE_CTL_OVR, 0x40); | ||
852 | } | ||
853 | |||
796 | static struct lpphy_tx_gains lpphy_get_tx_gains(struct b43_wldev *dev) | 854 | static struct lpphy_tx_gains lpphy_get_tx_gains(struct b43_wldev *dev) |
797 | { | 855 | { |
798 | struct lpphy_tx_gains gains; | 856 | struct lpphy_tx_gains gains; |
@@ -822,6 +880,17 @@ static void lpphy_set_dac_gain(struct b43_wldev *dev, u16 dac) | |||
822 | b43_phy_maskset(dev, B43_LPPHY_AFE_DAC_CTL, 0xF000, ctl); | 880 | b43_phy_maskset(dev, B43_LPPHY_AFE_DAC_CTL, 0xF000, ctl); |
823 | } | 881 | } |
824 | 882 | ||
883 | static u16 lpphy_get_pa_gain(struct b43_wldev *dev) | ||
884 | { | ||
885 | return b43_phy_read(dev, B43_PHY_OFDM(0xFB)) & 0x7F; | ||
886 | } | ||
887 | |||
888 | static void lpphy_set_pa_gain(struct b43_wldev *dev, u16 gain) | ||
889 | { | ||
890 | b43_phy_maskset(dev, B43_PHY_OFDM(0xFB), 0xE03F, gain << 6); | ||
891 | b43_phy_maskset(dev, B43_PHY_OFDM(0xFD), 0x80FF, gain << 8); | ||
892 | } | ||
893 | |||
825 | static void lpphy_set_tx_gains(struct b43_wldev *dev, | 894 | static void lpphy_set_tx_gains(struct b43_wldev *dev, |
826 | struct lpphy_tx_gains gains) | 895 | struct lpphy_tx_gains gains) |
827 | { | 896 | { |
@@ -832,25 +901,22 @@ static void lpphy_set_tx_gains(struct b43_wldev *dev, | |||
832 | b43_phy_maskset(dev, B43_LPPHY_TX_GAIN_CTL_OVERRIDE_VAL, | 901 | b43_phy_maskset(dev, B43_LPPHY_TX_GAIN_CTL_OVERRIDE_VAL, |
833 | 0xF800, rf_gain); | 902 | 0xF800, rf_gain); |
834 | } else { | 903 | } else { |
835 | pa_gain = b43_phy_read(dev, B43_PHY_OFDM(0xFB)) & 0x1FC0; | 904 | pa_gain = lpphy_get_pa_gain(dev); |
836 | pa_gain <<= 2; | ||
837 | b43_phy_write(dev, B43_LPPHY_TX_GAIN_CTL_OVERRIDE_VAL, | 905 | b43_phy_write(dev, B43_LPPHY_TX_GAIN_CTL_OVERRIDE_VAL, |
838 | (gains.pga << 8) | gains.gm); | 906 | (gains.pga << 8) | gains.gm); |
907 | /* | ||
908 | * SPEC FIXME The spec calls for (pa_gain << 8) here, but that | ||
909 | * conflicts with the spec for set_pa_gain! Vendor driver bug? | ||
910 | */ | ||
839 | b43_phy_maskset(dev, B43_PHY_OFDM(0xFB), | 911 | b43_phy_maskset(dev, B43_PHY_OFDM(0xFB), |
840 | 0x8000, gains.pad | pa_gain); | 912 | 0x8000, gains.pad | (pa_gain << 6)); |
841 | b43_phy_write(dev, B43_PHY_OFDM(0xFC), | 913 | b43_phy_write(dev, B43_PHY_OFDM(0xFC), |
842 | (gains.pga << 8) | gains.gm); | 914 | (gains.pga << 8) | gains.gm); |
843 | b43_phy_maskset(dev, B43_PHY_OFDM(0xFD), | 915 | b43_phy_maskset(dev, B43_PHY_OFDM(0xFD), |
844 | 0x8000, gains.pad | pa_gain); | 916 | 0x8000, gains.pad | (pa_gain << 8)); |
845 | } | 917 | } |
846 | lpphy_set_dac_gain(dev, gains.dac); | 918 | lpphy_set_dac_gain(dev, gains.dac); |
847 | if (dev->phy.rev < 2) { | 919 | lpphy_enable_tx_gain_override(dev); |
848 | b43_phy_maskset(dev, B43_LPPHY_RF_OVERRIDE_2, 0xFEFF, 1 << 8); | ||
849 | } else { | ||
850 | b43_phy_maskset(dev, B43_LPPHY_RF_OVERRIDE_2, 0xFF7F, 1 << 7); | ||
851 | b43_phy_maskset(dev, B43_LPPHY_RF_OVERRIDE_2, 0xBFFF, 1 << 14); | ||
852 | } | ||
853 | b43_phy_maskset(dev, B43_LPPHY_AFE_CTL_OVR, 0xFFBF, 1 << 6); | ||
854 | } | 920 | } |
855 | 921 | ||
856 | static void lpphy_rev0_1_set_rx_gain(struct b43_wldev *dev, u32 gain) | 922 | static void lpphy_rev0_1_set_rx_gain(struct b43_wldev *dev, u32 gain) |
@@ -890,41 +956,6 @@ static void lpphy_rev2plus_set_rx_gain(struct b43_wldev *dev, u32 gain) | |||
890 | } | 956 | } |
891 | } | 957 | } |
892 | 958 | ||
893 | /* lpphy_disable_rx_gain_override is unused but kept as a reference */ | ||
894 | #if 0 | ||
895 | static void lpphy_disable_rx_gain_override(struct b43_wldev *dev) | ||
896 | { | ||
897 | b43_phy_mask(dev, B43_LPPHY_RF_OVERRIDE_0, 0xFFFE); | ||
898 | b43_phy_mask(dev, B43_LPPHY_RF_OVERRIDE_0, 0xFFEF); | ||
899 | b43_phy_mask(dev, B43_LPPHY_RF_OVERRIDE_0, 0xFFBF); | ||
900 | if (dev->phy.rev >= 2) { | ||
901 | b43_phy_mask(dev, B43_LPPHY_RF_OVERRIDE_2, 0xFEFF); | ||
902 | if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ) { | ||
903 | b43_phy_mask(dev, B43_LPPHY_RF_OVERRIDE_2, 0xFBFF); | ||
904 | b43_phy_mask(dev, B43_PHY_OFDM(0xE5), 0xFFF7); | ||
905 | } | ||
906 | } else { | ||
907 | b43_phy_mask(dev, B43_LPPHY_RF_OVERRIDE_2, 0xFDFF); | ||
908 | } | ||
909 | } | ||
910 | #endif | ||
911 | |||
912 | static void lpphy_enable_rx_gain_override(struct b43_wldev *dev) | ||
913 | { | ||
914 | b43_phy_set(dev, B43_LPPHY_RF_OVERRIDE_0, 0x1); | ||
915 | b43_phy_set(dev, B43_LPPHY_RF_OVERRIDE_0, 0x10); | ||
916 | b43_phy_set(dev, B43_LPPHY_RF_OVERRIDE_0, 0x40); | ||
917 | if (dev->phy.rev >= 2) { | ||
918 | b43_phy_set(dev, B43_LPPHY_RF_OVERRIDE_2, 0x100); | ||
919 | if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ) { | ||
920 | b43_phy_set(dev, B43_LPPHY_RF_OVERRIDE_2, 0x400); | ||
921 | b43_phy_set(dev, B43_PHY_OFDM(0xE5), 0x8); | ||
922 | } | ||
923 | } else { | ||
924 | b43_phy_set(dev, B43_LPPHY_RF_OVERRIDE_2, 0x200); | ||
925 | } | ||
926 | } | ||
927 | |||
928 | static void lpphy_set_rx_gain(struct b43_wldev *dev, u32 gain) | 959 | static void lpphy_set_rx_gain(struct b43_wldev *dev, u32 gain) |
929 | { | 960 | { |
930 | if (dev->phy.rev < 2) | 961 | if (dev->phy.rev < 2) |
@@ -1009,8 +1040,7 @@ static int lpphy_loopback(struct b43_wldev *dev) | |||
1009 | 1040 | ||
1010 | memset(&iq_est, 0, sizeof(iq_est)); | 1041 | memset(&iq_est, 0, sizeof(iq_est)); |
1011 | 1042 | ||
1012 | b43_phy_maskset(dev, B43_LPPHY_RF_OVERRIDE_VAL_0, 0xFFFC, 0x3); | 1043 | lpphy_set_trsw_over(dev, true, true); |
1013 | b43_phy_set(dev, B43_LPPHY_RF_OVERRIDE_0, 0x3); | ||
1014 | b43_phy_set(dev, B43_LPPHY_AFE_CTL_OVR, 1); | 1044 | b43_phy_set(dev, B43_LPPHY_AFE_CTL_OVR, 1); |
1015 | b43_phy_mask(dev, B43_LPPHY_AFE_CTL_OVRVAL, 0xFFFE); | 1045 | b43_phy_mask(dev, B43_LPPHY_AFE_CTL_OVRVAL, 0xFFFE); |
1016 | b43_phy_set(dev, B43_LPPHY_RF_OVERRIDE_0, 0x800); | 1046 | b43_phy_set(dev, B43_LPPHY_RF_OVERRIDE_0, 0x800); |
@@ -1132,7 +1162,7 @@ static void lpphy_set_tx_power_control(struct b43_wldev *dev, | |||
1132 | b43_phy_maskset(dev, B43_LPPHY_TX_PWR_CTL_NNUM, | 1162 | b43_phy_maskset(dev, B43_LPPHY_TX_PWR_CTL_NNUM, |
1133 | 0x8FFF, ((u16)lpphy->tssi_npt << 16)); | 1163 | 0x8FFF, ((u16)lpphy->tssi_npt << 16)); |
1134 | //TODO Set "TSSI Transmit Count" variable to total transmitted frame count | 1164 | //TODO Set "TSSI Transmit Count" variable to total transmitted frame count |
1135 | //TODO Disable TX gain override | 1165 | lpphy_disable_tx_gain_override(dev); |
1136 | lpphy->tx_pwr_idx_over = -1; | 1166 | lpphy->tx_pwr_idx_over = -1; |
1137 | } | 1167 | } |
1138 | } | 1168 | } |
@@ -1318,15 +1348,73 @@ static void lpphy_calibrate_rc(struct b43_wldev *dev) | |||
1318 | } | 1348 | } |
1319 | } | 1349 | } |
1320 | 1350 | ||
1351 | static void b43_lpphy_op_set_rx_antenna(struct b43_wldev *dev, int antenna) | ||
1352 | { | ||
1353 | if (dev->phy.rev >= 2) | ||
1354 | return; // rev2+ doesn't support antenna diversity | ||
1355 | |||
1356 | if (B43_WARN_ON(antenna > B43_ANTENNA_AUTO1)) | ||
1357 | return; | ||
1358 | |||
1359 | b43_hf_write(dev, b43_hf_read(dev) & ~B43_HF_ANTDIVHELP); | ||
1360 | |||
1361 | b43_phy_maskset(dev, B43_LPPHY_CRSGAIN_CTL, 0xFFFD, antenna & 0x2); | ||
1362 | b43_phy_maskset(dev, B43_LPPHY_CRSGAIN_CTL, 0xFFFE, antenna & 0x1); | ||
1363 | |||
1364 | b43_hf_write(dev, b43_hf_read(dev) | B43_HF_ANTDIVHELP); | ||
1365 | |||
1366 | dev->phy.lp->antenna = antenna; | ||
1367 | } | ||
1368 | |||
1369 | static void lpphy_set_tx_iqcc(struct b43_wldev *dev, u16 a, u16 b) | ||
1370 | { | ||
1371 | u16 tmp[2]; | ||
1372 | |||
1373 | tmp[0] = a; | ||
1374 | tmp[1] = b; | ||
1375 | b43_lptab_write_bulk(dev, B43_LPTAB16(0, 80), 2, tmp); | ||
1376 | } | ||
1377 | |||
1321 | static void lpphy_set_tx_power_by_index(struct b43_wldev *dev, u8 index) | 1378 | static void lpphy_set_tx_power_by_index(struct b43_wldev *dev, u8 index) |
1322 | { | 1379 | { |
1323 | struct b43_phy_lp *lpphy = dev->phy.lp; | 1380 | struct b43_phy_lp *lpphy = dev->phy.lp; |
1381 | struct lpphy_tx_gains gains; | ||
1382 | u32 iq_comp, tx_gain, coeff, rf_power; | ||
1324 | 1383 | ||
1325 | lpphy->tx_pwr_idx_over = index; | 1384 | lpphy->tx_pwr_idx_over = index; |
1385 | lpphy_read_tx_pctl_mode_from_hardware(dev); | ||
1326 | if (lpphy->txpctl_mode != B43_LPPHY_TXPCTL_OFF) | 1386 | if (lpphy->txpctl_mode != B43_LPPHY_TXPCTL_OFF) |
1327 | lpphy_set_tx_power_control(dev, B43_LPPHY_TXPCTL_SW); | 1387 | lpphy_set_tx_power_control(dev, B43_LPPHY_TXPCTL_SW); |
1328 | 1388 | if (dev->phy.rev >= 2) { | |
1329 | //TODO | 1389 | iq_comp = b43_lptab_read(dev, B43_LPTAB32(7, index + 320)); |
1390 | tx_gain = b43_lptab_read(dev, B43_LPTAB32(7, index + 192)); | ||
1391 | gains.pad = (tx_gain >> 16) & 0xFF; | ||
1392 | gains.gm = tx_gain & 0xFF; | ||
1393 | gains.pga = (tx_gain >> 8) & 0xFF; | ||
1394 | gains.dac = (iq_comp >> 28) & 0xFF; | ||
1395 | lpphy_set_tx_gains(dev, gains); | ||
1396 | } else { | ||
1397 | iq_comp = b43_lptab_read(dev, B43_LPTAB32(10, index + 320)); | ||
1398 | tx_gain = b43_lptab_read(dev, B43_LPTAB32(10, index + 192)); | ||
1399 | b43_phy_maskset(dev, B43_LPPHY_TX_GAIN_CTL_OVERRIDE_VAL, | ||
1400 | 0xF800, (tx_gain >> 4) & 0x7FFF); | ||
1401 | lpphy_set_dac_gain(dev, tx_gain & 0x7); | ||
1402 | lpphy_set_pa_gain(dev, (tx_gain >> 24) & 0x7F); | ||
1403 | } | ||
1404 | lpphy_set_bb_mult(dev, (iq_comp >> 20) & 0xFF); | ||
1405 | lpphy_set_tx_iqcc(dev, (iq_comp >> 10) & 0x3FF, iq_comp & 0x3FF); | ||
1406 | if (dev->phy.rev >= 2) { | ||
1407 | coeff = b43_lptab_read(dev, B43_LPTAB32(7, index + 448)); | ||
1408 | } else { | ||
1409 | coeff = b43_lptab_read(dev, B43_LPTAB32(10, index + 448)); | ||
1410 | } | ||
1411 | b43_lptab_write(dev, B43_LPTAB16(0, 85), coeff & 0xFFFF); | ||
1412 | if (dev->phy.rev >= 2) { | ||
1413 | rf_power = b43_lptab_read(dev, B43_LPTAB32(7, index + 576)); | ||
1414 | b43_phy_maskset(dev, B43_LPPHY_RF_PWR_OVERRIDE, 0xFF00, | ||
1415 | rf_power & 0xFFFF);//SPEC FIXME mask & set != 0 | ||
1416 | } | ||
1417 | lpphy_enable_tx_gain_override(dev); | ||
1330 | } | 1418 | } |
1331 | 1419 | ||
1332 | static void lpphy_btcoex_override(struct b43_wldev *dev) | 1420 | static void lpphy_btcoex_override(struct b43_wldev *dev) |
@@ -1335,58 +1423,45 @@ static void lpphy_btcoex_override(struct b43_wldev *dev) | |||
1335 | b43_write16(dev, B43_MMIO_BTCOEX_TXCTL, 0xFF); | 1423 | b43_write16(dev, B43_MMIO_BTCOEX_TXCTL, 0xFF); |
1336 | } | 1424 | } |
1337 | 1425 | ||
1338 | static void lpphy_pr41573_workaround(struct b43_wldev *dev) | 1426 | static void b43_lpphy_op_software_rfkill(struct b43_wldev *dev, |
1427 | bool blocked) | ||
1339 | { | 1428 | { |
1340 | struct b43_phy_lp *lpphy = dev->phy.lp; | 1429 | //TODO check MAC control register |
1341 | u32 *saved_tab; | 1430 | if (blocked) { |
1342 | const unsigned int saved_tab_size = 256; | 1431 | if (dev->phy.rev >= 2) { |
1343 | enum b43_lpphy_txpctl_mode txpctl_mode; | 1432 | b43_phy_mask(dev, B43_LPPHY_RF_OVERRIDE_VAL_0, 0x83FF); |
1344 | s8 tx_pwr_idx_over; | 1433 | b43_phy_set(dev, B43_LPPHY_RF_OVERRIDE_0, 0x1F00); |
1345 | u16 tssi_npt, tssi_idx; | 1434 | b43_phy_mask(dev, B43_LPPHY_AFE_DDFS, 0x80FF); |
1346 | 1435 | b43_phy_mask(dev, B43_LPPHY_RF_OVERRIDE_2_VAL, 0xDFFF); | |
1347 | saved_tab = kcalloc(saved_tab_size, sizeof(saved_tab[0]), GFP_KERNEL); | 1436 | b43_phy_set(dev, B43_LPPHY_RF_OVERRIDE_2, 0x0808); |
1348 | if (!saved_tab) { | 1437 | } else { |
1349 | b43err(dev->wl, "PR41573 failed. Out of memory!\n"); | 1438 | b43_phy_mask(dev, B43_LPPHY_RF_OVERRIDE_VAL_0, 0xE0FF); |
1350 | return; | 1439 | b43_phy_set(dev, B43_LPPHY_RF_OVERRIDE_0, 0x1F00); |
1351 | } | 1440 | b43_phy_mask(dev, B43_LPPHY_RF_OVERRIDE_2_VAL, 0xFCFF); |
1352 | 1441 | b43_phy_set(dev, B43_LPPHY_RF_OVERRIDE_2, 0x0018); | |
1353 | lpphy_read_tx_pctl_mode_from_hardware(dev); | 1442 | } |
1354 | txpctl_mode = lpphy->txpctl_mode; | ||
1355 | tx_pwr_idx_over = lpphy->tx_pwr_idx_over; | ||
1356 | tssi_npt = lpphy->tssi_npt; | ||
1357 | tssi_idx = lpphy->tssi_idx; | ||
1358 | |||
1359 | if (dev->phy.rev < 2) { | ||
1360 | b43_lptab_read_bulk(dev, B43_LPTAB32(10, 0x140), | ||
1361 | saved_tab_size, saved_tab); | ||
1362 | } else { | 1443 | } else { |
1363 | b43_lptab_read_bulk(dev, B43_LPTAB32(7, 0x140), | 1444 | b43_phy_mask(dev, B43_LPPHY_RF_OVERRIDE_0, 0xE0FF); |
1364 | saved_tab_size, saved_tab); | 1445 | if (dev->phy.rev >= 2) |
1446 | b43_phy_mask(dev, B43_LPPHY_RF_OVERRIDE_2, 0xF7F7); | ||
1447 | else | ||
1448 | b43_phy_mask(dev, B43_LPPHY_RF_OVERRIDE_2, 0xFFE7); | ||
1365 | } | 1449 | } |
1366 | //TODO | ||
1367 | |||
1368 | kfree(saved_tab); | ||
1369 | } | 1450 | } |
1370 | 1451 | ||
1371 | static void lpphy_calibration(struct b43_wldev *dev) | 1452 | /* This was previously called lpphy_japan_filter */ |
1453 | static void lpphy_set_analog_filter(struct b43_wldev *dev, int channel) | ||
1372 | { | 1454 | { |
1373 | struct b43_phy_lp *lpphy = dev->phy.lp; | 1455 | struct b43_phy_lp *lpphy = dev->phy.lp; |
1374 | enum b43_lpphy_txpctl_mode saved_pctl_mode; | 1456 | u16 tmp = (channel == 14); //SPEC FIXME check japanwidefilter! |
1375 | |||
1376 | b43_mac_suspend(dev); | ||
1377 | |||
1378 | lpphy_btcoex_override(dev); | ||
1379 | lpphy_read_tx_pctl_mode_from_hardware(dev); | ||
1380 | saved_pctl_mode = lpphy->txpctl_mode; | ||
1381 | lpphy_set_tx_power_control(dev, B43_LPPHY_TXPCTL_OFF); | ||
1382 | //TODO Perform transmit power table I/Q LO calibration | ||
1383 | if ((dev->phy.rev == 0) && (saved_pctl_mode != B43_LPPHY_TXPCTL_OFF)) | ||
1384 | lpphy_pr41573_workaround(dev); | ||
1385 | //TODO If a full calibration has not been performed on this channel yet, perform PAPD TX-power calibration | ||
1386 | lpphy_set_tx_power_control(dev, saved_pctl_mode); | ||
1387 | //TODO Perform I/Q calibration with a single control value set | ||
1388 | 1457 | ||
1389 | b43_mac_enable(dev); | 1458 | if (dev->phy.rev < 2) { //SPEC FIXME Isn't this rev0/1-specific? |
1459 | b43_phy_maskset(dev, B43_LPPHY_LP_PHY_CTL, 0xFCFF, tmp << 9); | ||
1460 | if ((dev->phy.rev == 1) && (lpphy->rc_cap)) | ||
1461 | lpphy_set_rc_cap(dev); | ||
1462 | } else { | ||
1463 | b43_radio_write(dev, B2063_TX_BB_SP3, 0x3F); | ||
1464 | } | ||
1390 | } | 1465 | } |
1391 | 1466 | ||
1392 | static void lpphy_set_tssi_mux(struct b43_wldev *dev, enum tssi_mux_mode mode) | 1467 | static void lpphy_set_tssi_mux(struct b43_wldev *dev, enum tssi_mux_mode mode) |
@@ -1495,6 +1570,473 @@ static void lpphy_tx_pctl_init(struct b43_wldev *dev) | |||
1495 | } | 1570 | } |
1496 | } | 1571 | } |
1497 | 1572 | ||
1573 | static void lpphy_pr41573_workaround(struct b43_wldev *dev) | ||
1574 | { | ||
1575 | struct b43_phy_lp *lpphy = dev->phy.lp; | ||
1576 | u32 *saved_tab; | ||
1577 | const unsigned int saved_tab_size = 256; | ||
1578 | enum b43_lpphy_txpctl_mode txpctl_mode; | ||
1579 | s8 tx_pwr_idx_over; | ||
1580 | u16 tssi_npt, tssi_idx; | ||
1581 | |||
1582 | saved_tab = kcalloc(saved_tab_size, sizeof(saved_tab[0]), GFP_KERNEL); | ||
1583 | if (!saved_tab) { | ||
1584 | b43err(dev->wl, "PR41573 failed. Out of memory!\n"); | ||
1585 | return; | ||
1586 | } | ||
1587 | |||
1588 | lpphy_read_tx_pctl_mode_from_hardware(dev); | ||
1589 | txpctl_mode = lpphy->txpctl_mode; | ||
1590 | tx_pwr_idx_over = lpphy->tx_pwr_idx_over; | ||
1591 | tssi_npt = lpphy->tssi_npt; | ||
1592 | tssi_idx = lpphy->tssi_idx; | ||
1593 | |||
1594 | if (dev->phy.rev < 2) { | ||
1595 | b43_lptab_read_bulk(dev, B43_LPTAB32(10, 0x140), | ||
1596 | saved_tab_size, saved_tab); | ||
1597 | } else { | ||
1598 | b43_lptab_read_bulk(dev, B43_LPTAB32(7, 0x140), | ||
1599 | saved_tab_size, saved_tab); | ||
1600 | } | ||
1601 | //FIXME PHY reset | ||
1602 | lpphy_table_init(dev); //FIXME is table init needed? | ||
1603 | lpphy_baseband_init(dev); | ||
1604 | lpphy_tx_pctl_init(dev); | ||
1605 | b43_lpphy_op_software_rfkill(dev, false); | ||
1606 | lpphy_set_tx_power_control(dev, B43_LPPHY_TXPCTL_OFF); | ||
1607 | if (dev->phy.rev < 2) { | ||
1608 | b43_lptab_write_bulk(dev, B43_LPTAB32(10, 0x140), | ||
1609 | saved_tab_size, saved_tab); | ||
1610 | } else { | ||
1611 | b43_lptab_write_bulk(dev, B43_LPTAB32(7, 0x140), | ||
1612 | saved_tab_size, saved_tab); | ||
1613 | } | ||
1614 | b43_write16(dev, B43_MMIO_CHANNEL, lpphy->channel); | ||
1615 | lpphy->tssi_npt = tssi_npt; | ||
1616 | lpphy->tssi_idx = tssi_idx; | ||
1617 | lpphy_set_analog_filter(dev, lpphy->channel); | ||
1618 | if (tx_pwr_idx_over != -1) | ||
1619 | lpphy_set_tx_power_by_index(dev, tx_pwr_idx_over); | ||
1620 | if (lpphy->rc_cap) | ||
1621 | lpphy_set_rc_cap(dev); | ||
1622 | b43_lpphy_op_set_rx_antenna(dev, lpphy->antenna); | ||
1623 | lpphy_set_tx_power_control(dev, txpctl_mode); | ||
1624 | kfree(saved_tab); | ||
1625 | } | ||
1626 | |||
1627 | struct lpphy_rx_iq_comp { u8 chan; s8 c1, c0; }; | ||
1628 | |||
1629 | static const struct lpphy_rx_iq_comp lpphy_5354_iq_table[] = { | ||
1630 | { .chan = 1, .c1 = -66, .c0 = 15, }, | ||
1631 | { .chan = 2, .c1 = -66, .c0 = 15, }, | ||
1632 | { .chan = 3, .c1 = -66, .c0 = 15, }, | ||
1633 | { .chan = 4, .c1 = -66, .c0 = 15, }, | ||
1634 | { .chan = 5, .c1 = -66, .c0 = 15, }, | ||
1635 | { .chan = 6, .c1 = -66, .c0 = 15, }, | ||
1636 | { .chan = 7, .c1 = -66, .c0 = 14, }, | ||
1637 | { .chan = 8, .c1 = -66, .c0 = 14, }, | ||
1638 | { .chan = 9, .c1 = -66, .c0 = 14, }, | ||
1639 | { .chan = 10, .c1 = -66, .c0 = 14, }, | ||
1640 | { .chan = 11, .c1 = -66, .c0 = 14, }, | ||
1641 | { .chan = 12, .c1 = -66, .c0 = 13, }, | ||
1642 | { .chan = 13, .c1 = -66, .c0 = 13, }, | ||
1643 | { .chan = 14, .c1 = -66, .c0 = 13, }, | ||
1644 | }; | ||
1645 | |||
1646 | static const struct lpphy_rx_iq_comp lpphy_rev0_1_iq_table[] = { | ||
1647 | { .chan = 1, .c1 = -64, .c0 = 13, }, | ||
1648 | { .chan = 2, .c1 = -64, .c0 = 13, }, | ||
1649 | { .chan = 3, .c1 = -64, .c0 = 13, }, | ||
1650 | { .chan = 4, .c1 = -64, .c0 = 13, }, | ||
1651 | { .chan = 5, .c1 = -64, .c0 = 12, }, | ||
1652 | { .chan = 6, .c1 = -64, .c0 = 12, }, | ||
1653 | { .chan = 7, .c1 = -64, .c0 = 12, }, | ||
1654 | { .chan = 8, .c1 = -64, .c0 = 12, }, | ||
1655 | { .chan = 9, .c1 = -64, .c0 = 12, }, | ||
1656 | { .chan = 10, .c1 = -64, .c0 = 11, }, | ||
1657 | { .chan = 11, .c1 = -64, .c0 = 11, }, | ||
1658 | { .chan = 12, .c1 = -64, .c0 = 11, }, | ||
1659 | { .chan = 13, .c1 = -64, .c0 = 11, }, | ||
1660 | { .chan = 14, .c1 = -64, .c0 = 10, }, | ||
1661 | { .chan = 34, .c1 = -62, .c0 = 24, }, | ||
1662 | { .chan = 38, .c1 = -62, .c0 = 24, }, | ||
1663 | { .chan = 42, .c1 = -62, .c0 = 24, }, | ||
1664 | { .chan = 46, .c1 = -62, .c0 = 23, }, | ||
1665 | { .chan = 36, .c1 = -62, .c0 = 24, }, | ||
1666 | { .chan = 40, .c1 = -62, .c0 = 24, }, | ||
1667 | { .chan = 44, .c1 = -62, .c0 = 23, }, | ||
1668 | { .chan = 48, .c1 = -62, .c0 = 23, }, | ||
1669 | { .chan = 52, .c1 = -62, .c0 = 23, }, | ||
1670 | { .chan = 56, .c1 = -62, .c0 = 22, }, | ||
1671 | { .chan = 60, .c1 = -62, .c0 = 22, }, | ||
1672 | { .chan = 64, .c1 = -62, .c0 = 22, }, | ||
1673 | { .chan = 100, .c1 = -62, .c0 = 16, }, | ||
1674 | { .chan = 104, .c1 = -62, .c0 = 16, }, | ||
1675 | { .chan = 108, .c1 = -62, .c0 = 15, }, | ||
1676 | { .chan = 112, .c1 = -62, .c0 = 14, }, | ||
1677 | { .chan = 116, .c1 = -62, .c0 = 14, }, | ||
1678 | { .chan = 120, .c1 = -62, .c0 = 13, }, | ||
1679 | { .chan = 124, .c1 = -62, .c0 = 12, }, | ||
1680 | { .chan = 128, .c1 = -62, .c0 = 12, }, | ||
1681 | { .chan = 132, .c1 = -62, .c0 = 12, }, | ||
1682 | { .chan = 136, .c1 = -62, .c0 = 11, }, | ||
1683 | { .chan = 140, .c1 = -62, .c0 = 10, }, | ||
1684 | { .chan = 149, .c1 = -61, .c0 = 9, }, | ||
1685 | { .chan = 153, .c1 = -61, .c0 = 9, }, | ||
1686 | { .chan = 157, .c1 = -61, .c0 = 9, }, | ||
1687 | { .chan = 161, .c1 = -61, .c0 = 8, }, | ||
1688 | { .chan = 165, .c1 = -61, .c0 = 8, }, | ||
1689 | { .chan = 184, .c1 = -62, .c0 = 25, }, | ||
1690 | { .chan = 188, .c1 = -62, .c0 = 25, }, | ||
1691 | { .chan = 192, .c1 = -62, .c0 = 25, }, | ||
1692 | { .chan = 196, .c1 = -62, .c0 = 25, }, | ||
1693 | { .chan = 200, .c1 = -62, .c0 = 25, }, | ||
1694 | { .chan = 204, .c1 = -62, .c0 = 25, }, | ||
1695 | { .chan = 208, .c1 = -62, .c0 = 25, }, | ||
1696 | { .chan = 212, .c1 = -62, .c0 = 25, }, | ||
1697 | { .chan = 216, .c1 = -62, .c0 = 26, }, | ||
1698 | }; | ||
1699 | |||
1700 | static const struct lpphy_rx_iq_comp lpphy_rev2plus_iq_comp = { | ||
1701 | .chan = 0, | ||
1702 | .c1 = -64, | ||
1703 | .c0 = 0, | ||
1704 | }; | ||
1705 | |||
1706 | static u8 lpphy_nbits(s32 val) | ||
1707 | { | ||
1708 | u32 tmp = abs(val); | ||
1709 | u8 nbits = 0; | ||
1710 | |||
1711 | while (tmp != 0) { | ||
1712 | nbits++; | ||
1713 | tmp >>= 1; | ||
1714 | } | ||
1715 | |||
1716 | return nbits; | ||
1717 | } | ||
1718 | |||
1719 | static int lpphy_calc_rx_iq_comp(struct b43_wldev *dev, u16 samples) | ||
1720 | { | ||
1721 | struct lpphy_iq_est iq_est; | ||
1722 | u16 c0, c1; | ||
1723 | int prod, ipwr, qpwr, prod_msb, q_msb, tmp1, tmp2, tmp3, tmp4, ret; | ||
1724 | |||
1725 | c1 = b43_phy_read(dev, B43_LPPHY_RX_COMP_COEFF_S); | ||
1726 | c0 = c1 >> 8; | ||
1727 | c1 |= 0xFF; | ||
1728 | |||
1729 | b43_phy_maskset(dev, B43_LPPHY_RX_COMP_COEFF_S, 0xFF00, 0x00C0); | ||
1730 | b43_phy_mask(dev, B43_LPPHY_RX_COMP_COEFF_S, 0x00FF); | ||
1731 | |||
1732 | ret = lpphy_rx_iq_est(dev, samples, 32, &iq_est); | ||
1733 | if (!ret) | ||
1734 | goto out; | ||
1735 | |||
1736 | prod = iq_est.iq_prod; | ||
1737 | ipwr = iq_est.i_pwr; | ||
1738 | qpwr = iq_est.q_pwr; | ||
1739 | |||
1740 | if (ipwr + qpwr < 2) { | ||
1741 | ret = 0; | ||
1742 | goto out; | ||
1743 | } | ||
1744 | |||
1745 | prod_msb = lpphy_nbits(prod); | ||
1746 | q_msb = lpphy_nbits(qpwr); | ||
1747 | tmp1 = prod_msb - 20; | ||
1748 | |||
1749 | if (tmp1 >= 0) { | ||
1750 | tmp3 = ((prod << (30 - prod_msb)) + (ipwr >> (1 + tmp1))) / | ||
1751 | (ipwr >> tmp1); | ||
1752 | } else { | ||
1753 | tmp3 = ((prod << (30 - prod_msb)) + (ipwr << (-1 - tmp1))) / | ||
1754 | (ipwr << -tmp1); | ||
1755 | } | ||
1756 | |||
1757 | tmp2 = q_msb - 11; | ||
1758 | |||
1759 | if (tmp2 >= 0) | ||
1760 | tmp4 = (qpwr << (31 - q_msb)) / (ipwr >> tmp2); | ||
1761 | else | ||
1762 | tmp4 = (qpwr << (31 - q_msb)) / (ipwr << -tmp2); | ||
1763 | |||
1764 | tmp4 -= tmp3 * tmp3; | ||
1765 | tmp4 = -int_sqrt(tmp4); | ||
1766 | |||
1767 | c0 = tmp3 >> 3; | ||
1768 | c1 = tmp4 >> 4; | ||
1769 | |||
1770 | out: | ||
1771 | b43_phy_maskset(dev, B43_LPPHY_RX_COMP_COEFF_S, 0xFF00, c1); | ||
1772 | b43_phy_maskset(dev, B43_LPPHY_RX_COMP_COEFF_S, 0x00FF, c0 << 8); | ||
1773 | return ret; | ||
1774 | } | ||
1775 | |||
1776 | /* Complex number using 2 32-bit signed integers */ | ||
1777 | typedef struct {s32 i, q;} lpphy_c32; | ||
1778 | |||
1779 | static lpphy_c32 lpphy_cordic(int theta) | ||
1780 | { | ||
1781 | u32 arctg[] = { 2949120, 1740967, 919879, 466945, 234379, 117304, | ||
1782 | 58666, 29335, 14668, 7334, 3667, 1833, 917, 458, | ||
1783 | 229, 115, 57, 29, }; | ||
1784 | int i, tmp, signx = 1, angle = 0; | ||
1785 | lpphy_c32 ret = { .i = 39797, .q = 0, }; | ||
1786 | |||
1787 | theta = clamp_t(int, theta, -180, 180); | ||
1788 | |||
1789 | if (theta > 90) { | ||
1790 | theta -= 180; | ||
1791 | signx = -1; | ||
1792 | } else if (theta < -90) { | ||
1793 | theta += 180; | ||
1794 | signx = -1; | ||
1795 | } | ||
1796 | |||
1797 | for (i = 0; i <= 17; i++) { | ||
1798 | if (theta > angle) { | ||
1799 | tmp = ret.i - (ret.q >> i); | ||
1800 | ret.q += ret.i >> i; | ||
1801 | ret.i = tmp; | ||
1802 | angle += arctg[i]; | ||
1803 | } else { | ||
1804 | tmp = ret.i + (ret.q >> i); | ||
1805 | ret.q -= ret.i >> i; | ||
1806 | ret.i = tmp; | ||
1807 | angle -= arctg[i]; | ||
1808 | } | ||
1809 | } | ||
1810 | |||
1811 | ret.i *= signx; | ||
1812 | ret.q *= signx; | ||
1813 | |||
1814 | return ret; | ||
1815 | } | ||
1816 | |||
1817 | static void lpphy_run_samples(struct b43_wldev *dev, u16 samples, u16 loops, | ||
1818 | u16 wait) | ||
1819 | { | ||
1820 | b43_phy_maskset(dev, B43_LPPHY_SMPL_PLAY_BUFFER_CTL, | ||
1821 | 0xFFC0, samples - 1); | ||
1822 | if (loops != 0xFFFF) | ||
1823 | loops--; | ||
1824 | b43_phy_maskset(dev, B43_LPPHY_SMPL_PLAY_COUNT, 0xF000, loops); | ||
1825 | b43_phy_maskset(dev, B43_LPPHY_SMPL_PLAY_BUFFER_CTL, 0x3F, wait << 6); | ||
1826 | b43_phy_set(dev, B43_LPPHY_A_PHY_CTL_ADDR, 0x1); | ||
1827 | } | ||
1828 | |||
1829 | //SPEC FIXME what does a negative freq mean? | ||
1830 | static void lpphy_start_tx_tone(struct b43_wldev *dev, s32 freq, u16 max) | ||
1831 | { | ||
1832 | struct b43_phy_lp *lpphy = dev->phy.lp; | ||
1833 | u16 buf[64]; | ||
1834 | int i, samples = 0, angle = 0, rotation = (9 * freq) / 500; | ||
1835 | lpphy_c32 sample; | ||
1836 | |||
1837 | lpphy->tx_tone_freq = freq; | ||
1838 | |||
1839 | if (freq) { | ||
1840 | /* Find i for which abs(freq) integrally divides 20000 * i */ | ||
1841 | for (i = 1; samples * abs(freq) != 20000 * i; i++) { | ||
1842 | samples = (20000 * i) / abs(freq); | ||
1843 | if(B43_WARN_ON(samples > 63)) | ||
1844 | return; | ||
1845 | } | ||
1846 | } else { | ||
1847 | samples = 2; | ||
1848 | } | ||
1849 | |||
1850 | for (i = 0; i < samples; i++) { | ||
1851 | sample = lpphy_cordic(angle); | ||
1852 | angle += rotation; | ||
1853 | buf[i] = ((sample.i * max) & 0xFF) << 8; | ||
1854 | buf[i] |= (sample.q * max) & 0xFF; | ||
1855 | } | ||
1856 | |||
1857 | b43_lptab_write_bulk(dev, B43_LPTAB16(5, 0), samples, buf); | ||
1858 | |||
1859 | lpphy_run_samples(dev, samples, 0xFFFF, 0); | ||
1860 | } | ||
1861 | |||
1862 | static void lpphy_stop_tx_tone(struct b43_wldev *dev) | ||
1863 | { | ||
1864 | struct b43_phy_lp *lpphy = dev->phy.lp; | ||
1865 | int i; | ||
1866 | |||
1867 | lpphy->tx_tone_freq = 0; | ||
1868 | |||
1869 | b43_phy_mask(dev, B43_LPPHY_SMPL_PLAY_COUNT, 0xF000); | ||
1870 | for (i = 0; i < 31; i++) { | ||
1871 | if (!(b43_phy_read(dev, B43_LPPHY_A_PHY_CTL_ADDR) & 0x1)) | ||
1872 | break; | ||
1873 | udelay(100); | ||
1874 | } | ||
1875 | } | ||
1876 | |||
1877 | |||
1878 | static void lpphy_papd_cal(struct b43_wldev *dev, struct lpphy_tx_gains gains, | ||
1879 | int mode, bool useindex, u8 index) | ||
1880 | { | ||
1881 | //TODO | ||
1882 | } | ||
1883 | |||
1884 | static void lpphy_papd_cal_txpwr(struct b43_wldev *dev) | ||
1885 | { | ||
1886 | struct b43_phy_lp *lpphy = dev->phy.lp; | ||
1887 | struct ssb_bus *bus = dev->dev->bus; | ||
1888 | struct lpphy_tx_gains gains, oldgains; | ||
1889 | int old_txpctl, old_afe_ovr, old_rf, old_bbmult; | ||
1890 | |||
1891 | lpphy_read_tx_pctl_mode_from_hardware(dev); | ||
1892 | old_txpctl = lpphy->txpctl_mode; | ||
1893 | old_afe_ovr = b43_phy_read(dev, B43_LPPHY_AFE_CTL_OVR) & 0x40; | ||
1894 | if (old_afe_ovr) | ||
1895 | oldgains = lpphy_get_tx_gains(dev); | ||
1896 | old_rf = b43_phy_read(dev, B43_LPPHY_RF_PWR_OVERRIDE) & 0xFF; | ||
1897 | old_bbmult = lpphy_get_bb_mult(dev); | ||
1898 | |||
1899 | lpphy_set_tx_power_control(dev, B43_LPPHY_TXPCTL_OFF); | ||
1900 | |||
1901 | if (bus->chip_id == 0x4325 && bus->chip_rev == 0) | ||
1902 | lpphy_papd_cal(dev, gains, 0, 1, 30); | ||
1903 | else | ||
1904 | lpphy_papd_cal(dev, gains, 0, 1, 65); | ||
1905 | |||
1906 | if (old_afe_ovr) | ||
1907 | lpphy_set_tx_gains(dev, oldgains); | ||
1908 | lpphy_set_bb_mult(dev, old_bbmult); | ||
1909 | lpphy_set_tx_power_control(dev, old_txpctl); | ||
1910 | b43_phy_maskset(dev, B43_LPPHY_RF_PWR_OVERRIDE, 0xFF00, old_rf); | ||
1911 | } | ||
1912 | |||
1913 | static int lpphy_rx_iq_cal(struct b43_wldev *dev, bool noise, bool tx, | ||
1914 | bool rx, bool pa, struct lpphy_tx_gains *gains) | ||
1915 | { | ||
1916 | struct b43_phy_lp *lpphy = dev->phy.lp; | ||
1917 | struct ssb_bus *bus = dev->dev->bus; | ||
1918 | const struct lpphy_rx_iq_comp *iqcomp = NULL; | ||
1919 | struct lpphy_tx_gains nogains, oldgains; | ||
1920 | u16 tmp; | ||
1921 | int i, ret; | ||
1922 | |||
1923 | memset(&nogains, 0, sizeof(nogains)); | ||
1924 | memset(&oldgains, 0, sizeof(oldgains)); | ||
1925 | |||
1926 | if (bus->chip_id == 0x5354) { | ||
1927 | for (i = 0; i < ARRAY_SIZE(lpphy_5354_iq_table); i++) { | ||
1928 | if (lpphy_5354_iq_table[i].chan == lpphy->channel) { | ||
1929 | iqcomp = &lpphy_5354_iq_table[i]; | ||
1930 | } | ||
1931 | } | ||
1932 | } else if (dev->phy.rev >= 2) { | ||
1933 | iqcomp = &lpphy_rev2plus_iq_comp; | ||
1934 | } else { | ||
1935 | for (i = 0; i < ARRAY_SIZE(lpphy_rev0_1_iq_table); i++) { | ||
1936 | if (lpphy_rev0_1_iq_table[i].chan == lpphy->channel) { | ||
1937 | iqcomp = &lpphy_rev0_1_iq_table[i]; | ||
1938 | } | ||
1939 | } | ||
1940 | } | ||
1941 | |||
1942 | if (B43_WARN_ON(!iqcomp)) | ||
1943 | return 0; | ||
1944 | |||
1945 | b43_phy_maskset(dev, B43_LPPHY_RX_COMP_COEFF_S, 0xFF00, iqcomp->c1); | ||
1946 | b43_phy_maskset(dev, B43_LPPHY_RX_COMP_COEFF_S, | ||
1947 | 0x00FF, iqcomp->c0 << 8); | ||
1948 | |||
1949 | if (noise) { | ||
1950 | tx = true; | ||
1951 | rx = false; | ||
1952 | pa = false; | ||
1953 | } | ||
1954 | |||
1955 | lpphy_set_trsw_over(dev, tx, rx); | ||
1956 | |||
1957 | if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ) { | ||
1958 | b43_phy_set(dev, B43_LPPHY_RF_OVERRIDE_0, 0x8); | ||
1959 | b43_phy_maskset(dev, B43_LPPHY_RF_OVERRIDE_VAL_0, | ||
1960 | 0xFFF7, pa << 3); | ||
1961 | } else { | ||
1962 | b43_phy_set(dev, B43_LPPHY_RF_OVERRIDE_0, 0x20); | ||
1963 | b43_phy_maskset(dev, B43_LPPHY_RF_OVERRIDE_VAL_0, | ||
1964 | 0xFFDF, pa << 5); | ||
1965 | } | ||
1966 | |||
1967 | tmp = b43_phy_read(dev, B43_LPPHY_AFE_CTL_OVR) & 0x40; | ||
1968 | |||
1969 | if (noise) | ||
1970 | lpphy_set_rx_gain(dev, 0x2D5D); | ||
1971 | else { | ||
1972 | if (tmp) | ||
1973 | oldgains = lpphy_get_tx_gains(dev); | ||
1974 | if (!gains) | ||
1975 | gains = &nogains; | ||
1976 | lpphy_set_tx_gains(dev, *gains); | ||
1977 | } | ||
1978 | |||
1979 | b43_phy_mask(dev, B43_LPPHY_AFE_CTL_OVR, 0xFFFE); | ||
1980 | b43_phy_mask(dev, B43_LPPHY_AFE_CTL_OVRVAL, 0xFFFE); | ||
1981 | b43_phy_set(dev, B43_LPPHY_RF_OVERRIDE_0, 0x800); | ||
1982 | b43_phy_set(dev, B43_LPPHY_RF_OVERRIDE_VAL_0, 0x800); | ||
1983 | lpphy_set_deaf(dev, false); | ||
1984 | if (noise) | ||
1985 | ret = lpphy_calc_rx_iq_comp(dev, 0xFFF0); | ||
1986 | else { | ||
1987 | lpphy_start_tx_tone(dev, 4000, 100); | ||
1988 | ret = lpphy_calc_rx_iq_comp(dev, 0x4000); | ||
1989 | lpphy_stop_tx_tone(dev); | ||
1990 | } | ||
1991 | lpphy_clear_deaf(dev, false); | ||
1992 | b43_phy_mask(dev, B43_LPPHY_RF_OVERRIDE_0, 0xFFFC); | ||
1993 | b43_phy_mask(dev, B43_LPPHY_RF_OVERRIDE_0, 0xFFF7); | ||
1994 | b43_phy_mask(dev, B43_LPPHY_RF_OVERRIDE_0, 0xFFDF); | ||
1995 | if (!noise) { | ||
1996 | if (tmp) | ||
1997 | lpphy_set_tx_gains(dev, oldgains); | ||
1998 | else | ||
1999 | lpphy_disable_tx_gain_override(dev); | ||
2000 | } | ||
2001 | lpphy_disable_rx_gain_override(dev); | ||
2002 | b43_phy_mask(dev, B43_LPPHY_AFE_CTL_OVR, 0xFFFE); | ||
2003 | b43_phy_mask(dev, B43_LPPHY_AFE_CTL_OVRVAL, 0xF7FF); | ||
2004 | return ret; | ||
2005 | } | ||
2006 | |||
2007 | static void lpphy_calibration(struct b43_wldev *dev) | ||
2008 | { | ||
2009 | struct b43_phy_lp *lpphy = dev->phy.lp; | ||
2010 | enum b43_lpphy_txpctl_mode saved_pctl_mode; | ||
2011 | bool full_cal = false; | ||
2012 | |||
2013 | if (lpphy->full_calib_chan != lpphy->channel) { | ||
2014 | full_cal = true; | ||
2015 | lpphy->full_calib_chan = lpphy->channel; | ||
2016 | } | ||
2017 | |||
2018 | b43_mac_suspend(dev); | ||
2019 | |||
2020 | lpphy_btcoex_override(dev); | ||
2021 | if (dev->phy.rev >= 2) | ||
2022 | lpphy_save_dig_flt_state(dev); | ||
2023 | lpphy_read_tx_pctl_mode_from_hardware(dev); | ||
2024 | saved_pctl_mode = lpphy->txpctl_mode; | ||
2025 | lpphy_set_tx_power_control(dev, B43_LPPHY_TXPCTL_OFF); | ||
2026 | //TODO Perform transmit power table I/Q LO calibration | ||
2027 | if ((dev->phy.rev == 0) && (saved_pctl_mode != B43_LPPHY_TXPCTL_OFF)) | ||
2028 | lpphy_pr41573_workaround(dev); | ||
2029 | if ((dev->phy.rev >= 2) && full_cal) { | ||
2030 | lpphy_papd_cal_txpwr(dev); | ||
2031 | } | ||
2032 | lpphy_set_tx_power_control(dev, saved_pctl_mode); | ||
2033 | if (dev->phy.rev >= 2) | ||
2034 | lpphy_restore_dig_flt_state(dev); | ||
2035 | lpphy_rx_iq_cal(dev, true, true, false, false, NULL); | ||
2036 | |||
2037 | b43_mac_enable(dev); | ||
2038 | } | ||
2039 | |||
1498 | static u16 b43_lpphy_op_read(struct b43_wldev *dev, u16 reg) | 2040 | static u16 b43_lpphy_op_read(struct b43_wldev *dev, u16 reg) |
1499 | { | 2041 | { |
1500 | b43_write16(dev, B43_MMIO_PHY_CONTROL, reg); | 2042 | b43_write16(dev, B43_MMIO_PHY_CONTROL, reg); |
@@ -1539,12 +2081,6 @@ static void b43_lpphy_op_radio_write(struct b43_wldev *dev, u16 reg, u16 value) | |||
1539 | b43_write16(dev, B43_MMIO_RADIO_DATA_LOW, value); | 2081 | b43_write16(dev, B43_MMIO_RADIO_DATA_LOW, value); |
1540 | } | 2082 | } |
1541 | 2083 | ||
1542 | static void b43_lpphy_op_software_rfkill(struct b43_wldev *dev, | ||
1543 | bool blocked) | ||
1544 | { | ||
1545 | //TODO | ||
1546 | } | ||
1547 | |||
1548 | struct b206x_channel { | 2084 | struct b206x_channel { |
1549 | u8 channel; | 2085 | u8 channel; |
1550 | u16 freq; | 2086 | u16 freq; |
@@ -2010,22 +2546,6 @@ static int lpphy_b2062_tune(struct b43_wldev *dev, | |||
2010 | return err; | 2546 | return err; |
2011 | } | 2547 | } |
2012 | 2548 | ||
2013 | |||
2014 | /* This was previously called lpphy_japan_filter */ | ||
2015 | static void lpphy_set_analog_filter(struct b43_wldev *dev, int channel) | ||
2016 | { | ||
2017 | struct b43_phy_lp *lpphy = dev->phy.lp; | ||
2018 | u16 tmp = (channel == 14); //SPEC FIXME check japanwidefilter! | ||
2019 | |||
2020 | if (dev->phy.rev < 2) { //SPEC FIXME Isn't this rev0/1-specific? | ||
2021 | b43_phy_maskset(dev, B43_LPPHY_LP_PHY_CTL, 0xFCFF, tmp << 9); | ||
2022 | if ((dev->phy.rev == 1) && (lpphy->rc_cap)) | ||
2023 | lpphy_set_rc_cap(dev); | ||
2024 | } else { | ||
2025 | b43_radio_write(dev, B2063_TX_BB_SP3, 0x3F); | ||
2026 | } | ||
2027 | } | ||
2028 | |||
2029 | static void lpphy_b2063_vco_calib(struct b43_wldev *dev) | 2549 | static void lpphy_b2063_vco_calib(struct b43_wldev *dev) |
2030 | { | 2550 | { |
2031 | u16 tmp; | 2551 | u16 tmp; |
@@ -2210,18 +2730,6 @@ static int b43_lpphy_op_init(struct b43_wldev *dev) | |||
2210 | return 0; | 2730 | return 0; |
2211 | } | 2731 | } |
2212 | 2732 | ||
2213 | static void b43_lpphy_op_set_rx_antenna(struct b43_wldev *dev, int antenna) | ||
2214 | { | ||
2215 | if (dev->phy.rev >= 2) | ||
2216 | return; // rev2+ doesn't support antenna diversity | ||
2217 | |||
2218 | if (B43_WARN_ON(antenna > B43_ANTENNA_AUTO1)) | ||
2219 | return; | ||
2220 | |||
2221 | b43_phy_maskset(dev, B43_LPPHY_CRSGAIN_CTL, 0xFFFD, antenna & 0x2); | ||
2222 | b43_phy_maskset(dev, B43_LPPHY_CRSGAIN_CTL, 0xFFFE, antenna & 0x1); | ||
2223 | } | ||
2224 | |||
2225 | static void b43_lpphy_op_adjust_txpower(struct b43_wldev *dev) | 2733 | static void b43_lpphy_op_adjust_txpower(struct b43_wldev *dev) |
2226 | { | 2734 | { |
2227 | //TODO | 2735 | //TODO |
@@ -2244,6 +2752,11 @@ void b43_lpphy_op_switch_analog(struct b43_wldev *dev, bool on) | |||
2244 | } | 2752 | } |
2245 | } | 2753 | } |
2246 | 2754 | ||
2755 | static void b43_lpphy_op_pwork_15sec(struct b43_wldev *dev) | ||
2756 | { | ||
2757 | //TODO | ||
2758 | } | ||
2759 | |||
2247 | const struct b43_phy_operations b43_phyops_lp = { | 2760 | const struct b43_phy_operations b43_phyops_lp = { |
2248 | .allocate = b43_lpphy_op_allocate, | 2761 | .allocate = b43_lpphy_op_allocate, |
2249 | .free = b43_lpphy_op_free, | 2762 | .free = b43_lpphy_op_free, |
@@ -2261,4 +2774,6 @@ const struct b43_phy_operations b43_phyops_lp = { | |||
2261 | .set_rx_antenna = b43_lpphy_op_set_rx_antenna, | 2774 | .set_rx_antenna = b43_lpphy_op_set_rx_antenna, |
2262 | .recalc_txpower = b43_lpphy_op_recalc_txpower, | 2775 | .recalc_txpower = b43_lpphy_op_recalc_txpower, |
2263 | .adjust_txpower = b43_lpphy_op_adjust_txpower, | 2776 | .adjust_txpower = b43_lpphy_op_adjust_txpower, |
2777 | .pwork_15sec = b43_lpphy_op_pwork_15sec, | ||
2778 | .pwork_60sec = lpphy_calibration, | ||
2264 | }; | 2779 | }; |
diff --git a/drivers/net/wireless/b43/phy_lp.h b/drivers/net/wireless/b43/phy_lp.h index c3232c17b60a..62737f700cbc 100644 --- a/drivers/net/wireless/b43/phy_lp.h +++ b/drivers/net/wireless/b43/phy_lp.h | |||
@@ -286,6 +286,7 @@ | |||
286 | #define B43_LPPHY_TR_LOOKUP_6 B43_PHY_OFDM(0xC8) /* TR Lookup 6 */ | 286 | #define B43_LPPHY_TR_LOOKUP_6 B43_PHY_OFDM(0xC8) /* TR Lookup 6 */ |
287 | #define B43_LPPHY_TR_LOOKUP_7 B43_PHY_OFDM(0xC9) /* TR Lookup 7 */ | 287 | #define B43_LPPHY_TR_LOOKUP_7 B43_PHY_OFDM(0xC9) /* TR Lookup 7 */ |
288 | #define B43_LPPHY_TR_LOOKUP_8 B43_PHY_OFDM(0xCA) /* TR Lookup 8 */ | 288 | #define B43_LPPHY_TR_LOOKUP_8 B43_PHY_OFDM(0xCA) /* TR Lookup 8 */ |
289 | #define B43_LPPHY_RF_PWR_OVERRIDE B43_PHY_OFDM(0xD3) /* RF power override */ | ||
289 | 290 | ||
290 | 291 | ||
291 | 292 | ||
@@ -871,12 +872,12 @@ struct b43_phy_lp { | |||
871 | u8 rssi_gs; | 872 | u8 rssi_gs; |
872 | 873 | ||
873 | /* RC cap */ | 874 | /* RC cap */ |
874 | u8 rc_cap; /* FIXME initial value? */ | 875 | u8 rc_cap; |
875 | /* BX arch */ | 876 | /* BX arch */ |
876 | u8 bx_arch; | 877 | u8 bx_arch; |
877 | 878 | ||
878 | /* Full calibration channel */ | 879 | /* Full calibration channel */ |
879 | u8 full_calib_chan; /* FIXME initial value? */ | 880 | u8 full_calib_chan; |
880 | 881 | ||
881 | /* Transmit iqlocal best coeffs */ | 882 | /* Transmit iqlocal best coeffs */ |
882 | bool tx_iqloc_best_coeffs_valid; | 883 | bool tx_iqloc_best_coeffs_valid; |
@@ -891,6 +892,12 @@ struct b43_phy_lp { | |||
891 | 892 | ||
892 | /* The channel we are tuned to */ | 893 | /* The channel we are tuned to */ |
893 | u8 channel; | 894 | u8 channel; |
895 | |||
896 | /* The active antenna diversity mode */ | ||
897 | int antenna; | ||
898 | |||
899 | /* Frequency of the active TX tone */ | ||
900 | int tx_tone_freq; | ||
894 | }; | 901 | }; |
895 | 902 | ||
896 | enum tssi_mux_mode { | 903 | enum tssi_mux_mode { |