diff options
Diffstat (limited to 'drivers/net/wireless/b43')
-rw-r--r-- | drivers/net/wireless/b43/Kconfig | 2 | ||||
-rw-r--r-- | drivers/net/wireless/b43/phy_n.c | 179 | ||||
-rw-r--r-- | drivers/net/wireless/b43/tables_nphy.c | 103 | ||||
-rw-r--r-- | drivers/net/wireless/b43/tables_nphy.h | 25 |
4 files changed, 297 insertions, 12 deletions
diff --git a/drivers/net/wireless/b43/Kconfig b/drivers/net/wireless/b43/Kconfig index 47033f6a1c2b..480595f04411 100644 --- a/drivers/net/wireless/b43/Kconfig +++ b/drivers/net/wireless/b43/Kconfig @@ -92,7 +92,7 @@ config B43_PHY_N ---help--- Support for the N-PHY. - This enables support for devices with N-PHY revision up to 2. + This enables support for devices with N-PHY. Say N if you expect high stability and performance. Saying Y will not affect other devices support and may provide support for basic needs. diff --git a/drivers/net/wireless/b43/phy_n.c b/drivers/net/wireless/b43/phy_n.c index 9f5a3c993239..8a00f9a95dbb 100644 --- a/drivers/net/wireless/b43/phy_n.c +++ b/drivers/net/wireless/b43/phy_n.c @@ -1168,23 +1168,98 @@ static void b43_nphy_adjust_lna_gain_table(struct b43_wldev *dev) static void b43_nphy_gain_ctrl_workarounds(struct b43_wldev *dev) { struct b43_phy_n *nphy = dev->phy.n; + struct ssb_sprom *sprom = &(dev->dev->bus->sprom); + + /* PHY rev 0, 1, 2 */ u8 i, j; u8 code; u16 tmp; + u8 rfseq_events[3] = { 6, 8, 7 }; + u8 rfseq_delays[3] = { 10, 30, 1 }; - /* TODO: for PHY >= 3 - s8 *lna1_gain, *lna2_gain; - u8 *gain_db, *gain_bits; - u16 *rfseq_init; + /* PHY rev >= 3 */ + bool ghz5; + bool ext_lna; + u16 rssi_gain; + struct nphy_gain_ctl_workaround_entry *e; u8 lpf_gain[6] = { 0x00, 0x06, 0x0C, 0x12, 0x12, 0x12 }; u8 lpf_bits[6] = { 0, 1, 2, 3, 3, 3 }; - */ - - u8 rfseq_events[3] = { 6, 8, 7 }; - u8 rfseq_delays[3] = { 10, 30, 1 }; if (dev->phy.rev >= 3) { - /* TODO */ + /* Prepare values */ + ghz5 = b43_phy_read(dev, B43_NPHY_BANDCTL) + & B43_NPHY_BANDCTL_5GHZ; + ext_lna = sprom->boardflags_lo & B43_BFL_EXTLNA; + e = b43_nphy_get_gain_ctl_workaround_ent(dev, ghz5, ext_lna); + if (ghz5 && dev->phy.rev >= 5) + rssi_gain = 0x90; + else + rssi_gain = 0x50; + + b43_phy_set(dev, B43_NPHY_RXCTL, 0x0040); + + /* Set Clip 2 detect */ + b43_phy_set(dev, B43_NPHY_C1_CGAINI, + B43_NPHY_C1_CGAINI_CL2DETECT); + b43_phy_set(dev, B43_NPHY_C2_CGAINI, + B43_NPHY_C2_CGAINI_CL2DETECT); + + b43_radio_write(dev, B2056_RX0 | B2056_RX_BIASPOLE_LNAG1_IDAC, + 0x17); + b43_radio_write(dev, B2056_RX1 | B2056_RX_BIASPOLE_LNAG1_IDAC, + 0x17); + b43_radio_write(dev, B2056_RX0 | B2056_RX_LNAG2_IDAC, 0xF0); + b43_radio_write(dev, B2056_RX1 | B2056_RX_LNAG2_IDAC, 0xF0); + b43_radio_write(dev, B2056_RX0 | B2056_RX_RSSI_POLE, 0x00); + b43_radio_write(dev, B2056_RX1 | B2056_RX_RSSI_POLE, 0x00); + b43_radio_write(dev, B2056_RX0 | B2056_RX_RSSI_GAIN, + rssi_gain); + b43_radio_write(dev, B2056_RX1 | B2056_RX_RSSI_GAIN, + rssi_gain); + b43_radio_write(dev, B2056_RX0 | B2056_RX_BIASPOLE_LNAA1_IDAC, + 0x17); + b43_radio_write(dev, B2056_RX1 | B2056_RX_BIASPOLE_LNAA1_IDAC, + 0x17); + b43_radio_write(dev, B2056_RX0 | B2056_RX_LNAA2_IDAC, 0xFF); + b43_radio_write(dev, B2056_RX1 | B2056_RX_LNAA2_IDAC, 0xFF); + + b43_ntab_write_bulk(dev, B43_NTAB8(0, 8), 4, e->lna1_gain); + b43_ntab_write_bulk(dev, B43_NTAB8(1, 8), 4, e->lna1_gain); + b43_ntab_write_bulk(dev, B43_NTAB8(0, 16), 4, e->lna2_gain); + b43_ntab_write_bulk(dev, B43_NTAB8(1, 16), 4, e->lna2_gain); + b43_ntab_write_bulk(dev, B43_NTAB8(0, 32), 10, e->gain_db); + b43_ntab_write_bulk(dev, B43_NTAB8(1, 32), 10, e->gain_db); + b43_ntab_write_bulk(dev, B43_NTAB8(2, 32), 10, e->gain_bits); + b43_ntab_write_bulk(dev, B43_NTAB8(3, 32), 10, e->gain_bits); + b43_ntab_write_bulk(dev, B43_NTAB8(0, 0x40), 6, lpf_gain); + b43_ntab_write_bulk(dev, B43_NTAB8(1, 0x40), 6, lpf_gain); + b43_ntab_write_bulk(dev, B43_NTAB8(2, 0x40), 6, lpf_bits); + b43_ntab_write_bulk(dev, B43_NTAB8(3, 0x40), 6, lpf_bits); + + b43_phy_write(dev, B43_NPHY_C1_INITGAIN, e->init_gain); + b43_phy_write(dev, 0x2A7, e->init_gain); + b43_ntab_write_bulk(dev, B43_NTAB16(7, 0x106), 2, + e->rfseq_init); + b43_phy_write(dev, B43_NPHY_C1_INITGAIN, e->init_gain); + + /* TODO: check defines. Do not match variables names */ + b43_phy_write(dev, B43_NPHY_C1_CLIP1_MEDGAIN, e->cliphi_gain); + b43_phy_write(dev, 0x2A9, e->cliphi_gain); + b43_phy_write(dev, B43_NPHY_C1_CLIP2_GAIN, e->clipmd_gain); + b43_phy_write(dev, 0x2AB, e->clipmd_gain); + b43_phy_write(dev, B43_NPHY_C2_CLIP1_HIGAIN, e->cliplo_gain); + b43_phy_write(dev, 0x2AD, e->cliplo_gain); + + b43_phy_maskset(dev, 0x27D, 0xFF00, e->crsmin); + b43_phy_maskset(dev, 0x280, 0xFF00, e->crsminl); + b43_phy_maskset(dev, 0x283, 0xFF00, e->crsminu); + b43_phy_write(dev, B43_NPHY_C1_NBCLIPTHRES, e->nbclip); + b43_phy_write(dev, B43_NPHY_C2_NBCLIPTHRES, e->nbclip); + b43_phy_maskset(dev, B43_NPHY_C1_CLIPWBTHRES, + ~B43_NPHY_C1_CLIPWBTHRES_CLIP2, e->wlclip); + b43_phy_maskset(dev, B43_NPHY_C2_CLIPWBTHRES, + ~B43_NPHY_C2_CLIPWBTHRES_CLIP2, e->wlclip); + b43_phy_write(dev, B43_NPHY_CCK_SHIFTB_REF, 0x809C); } else { /* Set Clip 2 detect */ b43_phy_set(dev, B43_NPHY_C1_CGAINI, @@ -1308,6 +1383,9 @@ static void b43_nphy_workarounds(struct b43_wldev *dev) u8 events2[7] = { 0x0, 0x3, 0x5, 0x4, 0x2, 0x1, 0x8 }; u8 delays2[7] = { 0x8, 0x6, 0x2, 0x4, 0x4, 0x6, 0x1 }; + u16 tmp16; + u32 tmp32; + if (b43_current_band(dev->wl) == IEEE80211_BAND_5GHZ) b43_nphy_classifier(dev, 1, 0); else @@ -1320,7 +1398,82 @@ static void b43_nphy_workarounds(struct b43_wldev *dev) B43_NPHY_IQFLIP_ADC1 | B43_NPHY_IQFLIP_ADC2); if (dev->phy.rev >= 3) { + tmp32 = b43_ntab_read(dev, B43_NTAB32(30, 0)); + tmp32 &= 0xffffff; + b43_ntab_write(dev, B43_NTAB32(30, 0), tmp32); + + b43_phy_write(dev, B43_NPHY_PHASETR_A0, 0x0125); + b43_phy_write(dev, B43_NPHY_PHASETR_A1, 0x01B3); + b43_phy_write(dev, B43_NPHY_PHASETR_A2, 0x0105); + b43_phy_write(dev, B43_NPHY_PHASETR_B0, 0x016E); + b43_phy_write(dev, B43_NPHY_PHASETR_B1, 0x00CD); + b43_phy_write(dev, B43_NPHY_PHASETR_B2, 0x0020); + + b43_phy_write(dev, B43_NPHY_C2_CLIP1_MEDGAIN, 0x000C); + b43_phy_write(dev, 0x2AE, 0x000C); + /* TODO */ + + tmp16 = (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ) ? + 0x2 : 0x9C40; + b43_phy_write(dev, B43_NPHY_ENDROP_TLEN, tmp16); + + b43_phy_maskset(dev, 0x294, 0xF0FF, 0x0700); + + b43_ntab_write(dev, B43_NTAB32(16, 3), 0x18D); + b43_ntab_write(dev, B43_NTAB32(16, 127), 0x18D); + + b43_nphy_gain_ctrl_workarounds(dev); + + b43_ntab_write(dev, B43_NTAB32(8, 0), 2); + b43_ntab_write(dev, B43_NTAB32(8, 16), 2); + + /* TODO */ + + b43_radio_write(dev, B2056_RX0 | B2056_RX_MIXA_MAST_BIAS, 0x00); + b43_radio_write(dev, B2056_RX1 | B2056_RX_MIXA_MAST_BIAS, 0x00); + b43_radio_write(dev, B2056_RX0 | B2056_RX_MIXA_BIAS_MAIN, 0x06); + b43_radio_write(dev, B2056_RX1 | B2056_RX_MIXA_BIAS_MAIN, 0x06); + b43_radio_write(dev, B2056_RX0 | B2056_RX_MIXA_BIAS_AUX, 0x07); + b43_radio_write(dev, B2056_RX1 | B2056_RX_MIXA_BIAS_AUX, 0x07); + b43_radio_write(dev, B2056_RX0 | B2056_RX_MIXA_LOB_BIAS, 0x88); + b43_radio_write(dev, B2056_RX1 | B2056_RX_MIXA_LOB_BIAS, 0x88); + b43_radio_write(dev, B2056_RX0 | B2056_RX_MIXG_CMFB_IDAC, 0x00); + b43_radio_write(dev, B2056_RX1 | B2056_RX_MIXG_CMFB_IDAC, 0x00); + + /* N PHY WAR TX Chain Update with hw_phytxchain as argument */ + + if ((bus->sprom.boardflags2_lo & B43_BFL2_APLL_WAR && + b43_current_band(dev->wl) == IEEE80211_BAND_5GHZ) || + (bus->sprom.boardflags2_lo & B43_BFL2_GPLL_WAR && + b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ)) + tmp32 = 0x00088888; + else + tmp32 = 0x88888888; + b43_ntab_write(dev, B43_NTAB32(30, 1), tmp32); + b43_ntab_write(dev, B43_NTAB32(30, 2), tmp32); + b43_ntab_write(dev, B43_NTAB32(30, 3), tmp32); + + if (dev->phy.rev == 4 && + b43_current_band(dev->wl) == IEEE80211_BAND_5GHZ) { + b43_radio_write(dev, B2056_TX0 | B2056_TX_GMBB_IDAC, + 0x70); + b43_radio_write(dev, B2056_TX1 | B2056_TX_GMBB_IDAC, + 0x70); + } + + b43_phy_write(dev, 0x224, 0x039C); + b43_phy_write(dev, 0x225, 0x0357); + b43_phy_write(dev, 0x226, 0x0317); + b43_phy_write(dev, 0x227, 0x02D7); + b43_phy_write(dev, 0x228, 0x039C); + b43_phy_write(dev, 0x229, 0x0357); + b43_phy_write(dev, 0x22A, 0x0317); + b43_phy_write(dev, 0x22B, 0x02D7); + b43_phy_write(dev, 0x22C, 0x039C); + b43_phy_write(dev, 0x22D, 0x0357); + b43_phy_write(dev, 0x22E, 0x0317); + b43_phy_write(dev, 0x22F, 0x02D7); } else { if (b43_current_band(dev->wl) == IEEE80211_BAND_5GHZ && nphy->band5g_pwrgain) { @@ -3878,10 +4031,14 @@ static void b43_nphy_op_software_rfkill(struct b43_wldev *dev, } } +/* http://bcm-v4.sipsolutions.net/802.11/PHY/Anacore */ static void b43_nphy_op_switch_analog(struct b43_wldev *dev, bool on) { - b43_phy_write(dev, B43_NPHY_AFECTL_OVER, - on ? 0 : 0x7FFF); + u16 val = on ? 0 : 0x7FFF; + + if (dev->phy.rev >= 3) + b43_phy_write(dev, B43_NPHY_AFECTL_OVER1, val); + b43_phy_write(dev, B43_NPHY_AFECTL_OVER, val); } static int b43_nphy_op_switch_channel(struct b43_wldev *dev, diff --git a/drivers/net/wireless/b43/tables_nphy.c b/drivers/net/wireless/b43/tables_nphy.c index c42b2acea24e..2de483b3d3ba 100644 --- a/drivers/net/wireless/b43/tables_nphy.c +++ b/drivers/net/wireless/b43/tables_nphy.c @@ -2709,6 +2709,79 @@ const struct nphy_rf_control_override_rev3 tbl_rf_control_override_rev3[] = { { 0x00C0, 6, 0xE7, 0xF9, 0xEC, 0xFB } /* field == 0x4000 (fls 15) */ }; +struct nphy_gain_ctl_workaround_entry nphy_gain_ctl_workaround[2][3] = { + { /* 2GHz */ + { /* PHY rev 3 */ + { 7, 11, 16, 23 }, + { -5, 6, 10, 14 }, + { 0xA, 0xA, 0xA, 0xA, 0xA, 0xA, 0xA, 0xA, 0xA, 0xA }, + { 3, 3, 3, 3, 3, 3, 3, 3, 3, 3 }, + 0x627E, + { 0x613F, 0x613F, 0x613F, 0x613F }, + 0x107E, 0x0066, 0x0074, + 0x18, 0x18, 0x18, + 0x020D, 0x5, + }, + { /* PHY rev 4 */ + { 8, 12, 17, 25 }, + { -5, 6, 10, 14 }, + { 0xA, 0xA, 0xA, 0xA, 0xA, 0xA, 0xA, 0xA, 0xA, 0xA }, + { 3, 3, 3, 3, 3, 3, 3, 3, 3, 3 }, + 0x527E, + { 0x513F, 0x513F, 0x513F, 0x513F }, + 0x007E, 0x0066, 0x0074, + 0x18, 0x18, 0x18, + 0x01A1, 0x5, + }, + { /* PHY rev 5+ */ + { 9, 13, 18, 26 }, + { -3, 7, 11, 16 }, + { 0xA, 0xA, 0xA, 0xA, 0xA, 0xA, 0xA, 0xA, 0xA, 0xA }, + { 3, 3, 3, 3, 3, 3, 3, 3, 3, 3 }, + 0x427E, /* invalid for external LNA! */ + { 0x413F, 0x413F, 0x413F, 0x413F }, /* invalid for external LNA! */ + 0x1076, 0x0066, 0x106A, + 0xC, 0xC, 0xC, + 0x01D0, 0x5, + }, + }, + { /* 5GHz */ + { /* PHY rev 3 */ + { 7, 11, 17, 23 }, + { -6, 2, 6, 10 }, + { 0x13, 0x13, 0x13, 0x13, 0x13, 0x13, 0x13, 0x13, 0x13, 0x13 }, + { 6, 6, 6, 6, 6, 6, 6, 6, 6, 6 }, + 0x52DE, + { 0x516F, 0x516F, 0x516F, 0x516F }, + 0x00DE, 0x00CA, 0x00CC, + 0x1E, 0x1E, 0x1E, + 0x01A1, 25, + }, + { /* PHY rev 4 */ + { 8, 12, 18, 23 }, + { -5, 2, 6, 10 }, + { 0xD, 0xD, 0xD, 0xD, 0xD, 0xD, 0xD, 0xD, 0xD, 0xD }, + { 4, 4, 4, 4, 4, 4, 4, 4, 4, 4 }, + 0x629E, + { 0x614F, 0x614F, 0x614F, 0x614F }, + 0x029E, 0x1084, 0x0086, + 0x24, 0x24, 0x24, + 0x0107, 25, + }, + { /* PHY rev 5+ */ + { 6, 10, 16, 21 }, + { -7, 0, 4, 8 }, + { 0xD, 0xD, 0xD, 0xD, 0xD, 0xD, 0xD, 0xD, 0xD, 0xD }, + { 4, 4, 4, 4, 4, 4, 4, 4, 4, 4 }, + 0x729E, + { 0x714F, 0x714F, 0x714F, 0x714F }, + 0x029E, 0x2084, 0x2086, + 0x24, 0x24, 0x24, + 0x00A9, 25, + }, + }, +}; + static inline void assert_ntab_array_sizes(void) { #undef check @@ -2957,3 +3030,33 @@ void b43_nphy_rev3plus_tables_init(struct b43_wldev *dev) /* Volatile tables */ /* TODO */ } + +struct nphy_gain_ctl_workaround_entry *b43_nphy_get_gain_ctl_workaround_ent( + struct b43_wldev *dev, bool ghz5, bool ext_lna) +{ + struct nphy_gain_ctl_workaround_entry *e; + u8 phy_idx; + + B43_WARN_ON(dev->phy.rev < 3); + if (dev->phy.rev >= 5) + phy_idx = 2; + else if (dev->phy.rev == 4) + phy_idx = 1; + else + phy_idx = 0; + + e = &nphy_gain_ctl_workaround[ghz5][phy_idx]; + + /* Only one entry differs for external LNA, so instead making whole + * table 2 times bigger, hack is here + */ + if (!ghz5 && dev->phy.rev >= 5 && ext_lna) { + e->rfseq_init[0] &= 0x0FFF; + e->rfseq_init[1] &= 0x0FFF; + e->rfseq_init[2] &= 0x0FFF; + e->rfseq_init[3] &= 0x0FFF; + e->init_gain &= 0x0FFF; + } + + return e; +} diff --git a/drivers/net/wireless/b43/tables_nphy.h b/drivers/net/wireless/b43/tables_nphy.h index 016a480b2dc6..18569367ce43 100644 --- a/drivers/net/wireless/b43/tables_nphy.h +++ b/drivers/net/wireless/b43/tables_nphy.h @@ -35,6 +35,31 @@ struct nphy_rf_control_override_rev3 { u8 val_addr1; }; +struct nphy_gain_ctl_workaround_entry { + s8 lna1_gain[4]; + s8 lna2_gain[4]; + u8 gain_db[10]; + u8 gain_bits[10]; + + u16 init_gain; + u16 rfseq_init[4]; + + u16 cliphi_gain; + u16 clipmd_gain; + u16 cliplo_gain; + + u16 crsmin; + u16 crsminl; + u16 crsminu; + + u16 nbclip; + u16 wlclip; +}; + +/* Get entry with workaround values for gain ctl. Does not return NULL. */ +struct nphy_gain_ctl_workaround_entry *b43_nphy_get_gain_ctl_workaround_ent( + struct b43_wldev *dev, bool ghz5, bool ext_lna); + /* Get the NPHY Channel Switch Table entry for a channel. * Returns NULL on failure to find an entry. */ const struct b43_nphy_channeltab_entry_rev2 * |