| Author | Tokens | Token Proportion | Commits | Commit Proportion |
|---|---|---|---|---|
| Rafał Miłecki | 37810 | 92.23% | 207 | 82.47% |
| Michael Buesch | 2855 | 6.96% | 13 | 5.18% |
| Johannes Berg | 93 | 0.23% | 4 | 1.59% |
| Gábor Stefanik | 83 | 0.20% | 3 | 1.20% |
| Alexander A. Klimov | 75 | 0.18% | 1 | 0.40% |
| John W. Linville | 14 | 0.03% | 3 | 1.20% |
| Priit Laes | 12 | 0.03% | 1 | 0.40% |
| Karl Beldan | 11 | 0.03% | 1 | 0.40% |
| Larry Finger | 6 | 0.01% | 1 | 0.40% |
| Lee Jones | 6 | 0.01% | 1 | 0.40% |
| Jia-Ju Bai | 4 | 0.01% | 1 | 0.40% |
| Joe Perches | 4 | 0.01% | 2 | 0.80% |
| Felipe Pena | 4 | 0.01% | 1 | 0.40% |
| Kees Cook | 4 | 0.01% | 2 | 0.80% |
| Hauke Mehrtens | 3 | 0.01% | 2 | 0.80% |
| Linus Torvalds (pre-git) | 2 | 0.00% | 1 | 0.40% |
| Rusty Russell | 2 | 0.00% | 1 | 0.40% |
| Thomas Gleixner | 2 | 0.00% | 1 | 0.40% |
| Gustavo A. R. Silva | 2 | 0.00% | 1 | 0.40% |
| Colin Ian King | 2 | 0.00% | 1 | 0.40% |
| Linus Torvalds | 1 | 0.00% | 1 | 0.40% |
| Haowen Bai | 1 | 0.00% | 1 | 0.40% |
| Jason Yan | 1 | 0.00% | 1 | 0.40% |
| Total | 40997 | 251 |
// SPDX-License-Identifier: GPL-2.0-or-later /* Broadcom B43 wireless driver IEEE 802.11n PHY support Copyright (c) 2008 Michael Buesch <m@bues.ch> Copyright (c) 2010-2011 Rafał Miłecki <zajec5@gmail.com> */ #include <linux/cordic.h> #include <linux/delay.h> #include <linux/slab.h> #include <linux/types.h> #include "b43.h" #include "phy_n.h" #include "tables_nphy.h" #include "radio_2055.h" #include "radio_2056.h" #include "radio_2057.h" #include "main.h" #include "ppr.h" struct nphy_txgains { u16 tx_lpf[2]; u16 txgm[2]; u16 pga[2]; u16 pad[2]; u16 ipa[2]; }; struct nphy_iqcal_params { u16 tx_lpf; u16 txgm; u16 pga; u16 pad; u16 ipa; u16 cal_gain; u16 ncorr[5]; }; struct nphy_iq_est { s32 iq0_prod; u32 i0_pwr; u32 q0_pwr; s32 iq1_prod; u32 i1_pwr; u32 q1_pwr; }; enum b43_nphy_rf_sequence { B43_RFSEQ_RX2TX, B43_RFSEQ_TX2RX, B43_RFSEQ_RESET2RX, B43_RFSEQ_UPDATE_GAINH, B43_RFSEQ_UPDATE_GAINL, B43_RFSEQ_UPDATE_GAINU, }; enum n_rf_ctl_over_cmd { N_RF_CTL_OVER_CMD_RXRF_PU = 0, N_RF_CTL_OVER_CMD_RX_PU = 1, N_RF_CTL_OVER_CMD_TX_PU = 2, N_RF_CTL_OVER_CMD_RX_GAIN = 3, N_RF_CTL_OVER_CMD_TX_GAIN = 4, }; enum n_intc_override { N_INTC_OVERRIDE_OFF = 0, N_INTC_OVERRIDE_TRSW = 1, N_INTC_OVERRIDE_PA = 2, N_INTC_OVERRIDE_EXT_LNA_PU = 3, N_INTC_OVERRIDE_EXT_LNA_GAIN = 4, }; enum n_rssi_type { N_RSSI_W1 = 0, N_RSSI_W2, N_RSSI_NB, N_RSSI_IQ, N_RSSI_TSSI_2G, N_RSSI_TSSI_5G, N_RSSI_TBD, }; enum n_rail_type { N_RAIL_I = 0, N_RAIL_Q = 1, }; static inline bool b43_nphy_ipa(struct b43_wldev *dev) { enum nl80211_band band = b43_current_band(dev->wl); return ((dev->phy.n->ipa2g_on && band == NL80211_BAND_2GHZ) || (dev->phy.n->ipa5g_on && band == NL80211_BAND_5GHZ)); } /* https://bcm-v4.sipsolutions.net/802.11/PHY/N/RxCoreGetState */ static u8 b43_nphy_get_rx_core_state(struct b43_wldev *dev) { return (b43_phy_read(dev, B43_NPHY_RFSEQCA) & B43_NPHY_RFSEQCA_RXEN) >> B43_NPHY_RFSEQCA_RXEN_SHIFT; } /************************************************** * RF (just without b43_nphy_rf_ctl_intc_override) **************************************************/ /* https://bcm-v4.sipsolutions.net/802.11/PHY/N/ForceRFSeq */ static void b43_nphy_force_rf_sequence(struct b43_wldev *dev, enum b43_nphy_rf_sequence seq) { static const u16 trigger[] = { [B43_RFSEQ_RX2TX] = B43_NPHY_RFSEQTR_RX2TX, [B43_RFSEQ_TX2RX] = B43_NPHY_RFSEQTR_TX2RX, [B43_RFSEQ_RESET2RX] = B43_NPHY_RFSEQTR_RST2RX, [B43_RFSEQ_UPDATE_GAINH] = B43_NPHY_RFSEQTR_UPGH, [B43_RFSEQ_UPDATE_GAINL] = B43_NPHY_RFSEQTR_UPGL, [B43_RFSEQ_UPDATE_GAINU] = B43_NPHY_RFSEQTR_UPGU, }; int i; u16 seq_mode = b43_phy_read(dev, B43_NPHY_RFSEQMODE); B43_WARN_ON(seq >= ARRAY_SIZE(trigger)); b43_phy_set(dev, B43_NPHY_RFSEQMODE, B43_NPHY_RFSEQMODE_CAOVER | B43_NPHY_RFSEQMODE_TROVER); b43_phy_set(dev, B43_NPHY_RFSEQTR, trigger[seq]); for (i = 0; i < 200; i++) { if (!(b43_phy_read(dev, B43_NPHY_RFSEQST) & trigger[seq])) goto ok; msleep(1); } b43err(dev->wl, "RF sequence status timeout\n"); ok: b43_phy_write(dev, B43_NPHY_RFSEQMODE, seq_mode); } static void b43_nphy_rf_ctl_override_rev19(struct b43_wldev *dev, u16 field, u16 value, u8 core, bool off, u8 override_id) { /* TODO */ } /* https://bcm-v4.sipsolutions.net/802.11/PHY/N/RFCtrlOverrideRev7 */ static void b43_nphy_rf_ctl_override_rev7(struct b43_wldev *dev, u16 field, u16 value, u8 core, bool off, u8 override) { struct b43_phy *phy = &dev->phy; const struct nphy_rf_control_override_rev7 *e; u16 en_addrs[3][2] = { { 0x0E7, 0x0EC }, { 0x342, 0x343 }, { 0x346, 0x347 } }; u16 en_addr; u16 en_mask = field; u16 val_addr; u8 i; if (phy->rev >= 19 || phy->rev < 3) { B43_WARN_ON(1); return; } /* Remember: we can get NULL! */ e = b43_nphy_get_rf_ctl_over_rev7(dev, field, override); for (i = 0; i < 2; i++) { if (override >= ARRAY_SIZE(en_addrs)) { b43err(dev->wl, "Invalid override value %d\n", override); return; } en_addr = en_addrs[override][i]; if (e) val_addr = (i == 0) ? e->val_addr_core0 : e->val_addr_core1; if (off) { b43_phy_mask(dev, en_addr, ~en_mask); if (e) /* Do it safer, better than wl */ b43_phy_mask(dev, val_addr, ~e->val_mask); } else { if (!core || (core & (1 << i))) { b43_phy_set(dev, en_addr, en_mask); if (e) b43_phy_maskset(dev, val_addr, ~e->val_mask, (value << e->val_shift)); } } } } /* https://bcm-v4.sipsolutions.net/802.11/PHY/N/RFCtrlOverideOneToMany */ static void b43_nphy_rf_ctl_override_one_to_many(struct b43_wldev *dev, enum n_rf_ctl_over_cmd cmd, u16 value, u8 core, bool off) { struct b43_phy *phy = &dev->phy; u16 tmp; B43_WARN_ON(phy->rev < 7); switch (cmd) { case N_RF_CTL_OVER_CMD_RXRF_PU: b43_nphy_rf_ctl_override_rev7(dev, 0x20, value, core, off, 1); b43_nphy_rf_ctl_override_rev7(dev, 0x10, value, core, off, 1); b43_nphy_rf_ctl_override_rev7(dev, 0x08, value, core, off, 1); break; case N_RF_CTL_OVER_CMD_RX_PU: b43_nphy_rf_ctl_override_rev7(dev, 0x4, value, core, off, 1); b43_nphy_rf_ctl_override_rev7(dev, 0x2, value, core, off, 1); b43_nphy_rf_ctl_override_rev7(dev, 0x1, value, core, off, 1); b43_nphy_rf_ctl_override_rev7(dev, 0x2, value, core, off, 2); b43_nphy_rf_ctl_override_rev7(dev, 0x0800, 0, core, off, 1); break; case N_RF_CTL_OVER_CMD_TX_PU: b43_nphy_rf_ctl_override_rev7(dev, 0x4, value, core, off, 0); b43_nphy_rf_ctl_override_rev7(dev, 0x2, value, core, off, 1); b43_nphy_rf_ctl_override_rev7(dev, 0x1, value, core, off, 2); b43_nphy_rf_ctl_override_rev7(dev, 0x0800, 1, core, off, 1); break; case N_RF_CTL_OVER_CMD_RX_GAIN: tmp = value & 0xFF; b43_nphy_rf_ctl_override_rev7(dev, 0x0800, tmp, core, off, 0); tmp = value >> 8; b43_nphy_rf_ctl_override_rev7(dev, 0x6000, tmp, core, off, 0); break; case N_RF_CTL_OVER_CMD_TX_GAIN: tmp = value & 0x7FFF; b43_nphy_rf_ctl_override_rev7(dev, 0x1000, tmp, core, off, 0); tmp = value >> 14; b43_nphy_rf_ctl_override_rev7(dev, 0x4000, tmp, core, off, 0); break; } } /* https://bcm-v4.sipsolutions.net/802.11/PHY/N/RFCtrlOverride */ static void b43_nphy_rf_ctl_override(struct b43_wldev *dev, u16 field, u16 value, u8 core, bool off) { int i; u8 index = fls(field); u8 addr, en_addr, val_addr; /* we expect only one bit set */ B43_WARN_ON(field & (~(1 << (index - 1)))); if (dev->phy.rev >= 3) { const struct nphy_rf_control_override_rev3 *rf_ctrl; for (i = 0; i < 2; i++) { if (index == 0 || index == 16) { b43err(dev->wl, "Unsupported RF Ctrl Override call\n"); return; } rf_ctrl = &tbl_rf_control_override_rev3[index - 1]; en_addr = B43_PHY_N((i == 0) ? rf_ctrl->en_addr0 : rf_ctrl->en_addr1); val_addr = B43_PHY_N((i == 0) ? rf_ctrl->val_addr0 : rf_ctrl->val_addr1); if (off) { b43_phy_mask(dev, en_addr, ~(field)); b43_phy_mask(dev, val_addr, ~(rf_ctrl->val_mask)); } else { if (core == 0 || ((1 << i) & core)) { b43_phy_set(dev, en_addr, field); b43_phy_maskset(dev, val_addr, ~(rf_ctrl->val_mask), (value << rf_ctrl->val_shift)); } } } } else { const struct nphy_rf_control_override_rev2 *rf_ctrl; if (off) { b43_phy_mask(dev, B43_NPHY_RFCTL_OVER, ~(field)); value = 0; } else { b43_phy_set(dev, B43_NPHY_RFCTL_OVER, field); } for (i = 0; i < 2; i++) { if (index <= 1 || index == 16) { b43err(dev->wl, "Unsupported RF Ctrl Override call\n"); return; } if (index == 2 || index == 10 || (index >= 13 && index <= 15)) { core = 1; } rf_ctrl = &tbl_rf_control_override_rev2[index - 2]; addr = B43_PHY_N((i == 0) ? rf_ctrl->addr0 : rf_ctrl->addr1); if ((1 << i) & core) b43_phy_maskset(dev, addr, ~(rf_ctrl->bmask), (value << rf_ctrl->shift)); b43_phy_set(dev, B43_NPHY_RFCTL_OVER, 0x1); b43_phy_set(dev, B43_NPHY_RFCTL_CMD, B43_NPHY_RFCTL_CMD_START); udelay(1); b43_phy_mask(dev, B43_NPHY_RFCTL_OVER, 0xFFFE); } } } static void b43_nphy_rf_ctl_intc_override_rev7(struct b43_wldev *dev, enum n_intc_override intc_override, u16 value, u8 core_sel) { u16 reg, tmp, tmp2, val; int core; /* TODO: What about rev19+? Revs 3+ and 7+ are a bit similar */ for (core = 0; core < 2; core++) { if ((core_sel == 1 && core != 0) || (core_sel == 2 && core != 1)) continue; reg = (core == 0) ? B43_NPHY_RFCTL_INTC1 : B43_NPHY_RFCTL_INTC2; switch (intc_override) { case N_INTC_OVERRIDE_OFF: b43_phy_write(dev, reg, 0); b43_phy_mask(dev, 0x2ff, ~0x2000); b43_nphy_force_rf_sequence(dev, B43_RFSEQ_RESET2RX); break; case N_INTC_OVERRIDE_TRSW: b43_phy_maskset(dev, reg, ~0xC0, value << 6); b43_phy_set(dev, reg, 0x400); b43_phy_mask(dev, 0x2ff, ~0xC000 & 0xFFFF); b43_phy_set(dev, 0x2ff, 0x2000); b43_phy_set(dev, 0x2ff, 0x0001); break; case N_INTC_OVERRIDE_PA: tmp = 0x0030; if (b43_current_band(dev->wl) == NL80211_BAND_5GHZ) val = value << 5; else val = value << 4; b43_phy_maskset(dev, reg, ~tmp, val); b43_phy_set(dev, reg, 0x1000); break; case N_INTC_OVERRIDE_EXT_LNA_PU: if (b43_current_band(dev->wl) == NL80211_BAND_5GHZ) { tmp = 0x0001; tmp2 = 0x0004; val = value; } else { tmp = 0x0004; tmp2 = 0x0001; val = value << 2; } b43_phy_maskset(dev, reg, ~tmp, val); b43_phy_mask(dev, reg, ~tmp2); break; case N_INTC_OVERRIDE_EXT_LNA_GAIN: if (b43_current_band(dev->wl) == NL80211_BAND_5GHZ) { tmp = 0x0002; tmp2 = 0x0008; val = value << 1; } else { tmp = 0x0008; tmp2 = 0x0002; val = value << 3; } b43_phy_maskset(dev, reg, ~tmp, val); b43_phy_mask(dev, reg, ~tmp2); break; } } } /* https://bcm-v4.sipsolutions.net/802.11/PHY/N/RFCtrlIntcOverride */ static void b43_nphy_rf_ctl_intc_override(struct b43_wldev *dev, enum n_intc_override intc_override, u16 value, u8 core) { u8 i, j; u16 reg, tmp, val; if (dev->phy.rev >= 7) { b43_nphy_rf_ctl_intc_override_rev7(dev, intc_override, value, core); return; } B43_WARN_ON(dev->phy.rev < 3); for (i = 0; i < 2; i++) { if ((core == 1 && i == 1) || (core == 2 && !i)) continue; reg = (i == 0) ? B43_NPHY_RFCTL_INTC1 : B43_NPHY_RFCTL_INTC2; b43_phy_set(dev, reg, 0x400); switch (intc_override) { case N_INTC_OVERRIDE_OFF: b43_phy_write(dev, reg, 0); b43_nphy_force_rf_sequence(dev, B43_RFSEQ_RESET2RX); break; case N_INTC_OVERRIDE_TRSW: if (!i) { b43_phy_maskset(dev, B43_NPHY_RFCTL_INTC1, 0xFC3F, (value << 6)); b43_phy_maskset(dev, B43_NPHY_TXF_40CO_B1S1, 0xFFFE, 1); b43_phy_set(dev, B43_NPHY_RFCTL_CMD, B43_NPHY_RFCTL_CMD_START); for (j = 0; j < 100; j++) { if (!(b43_phy_read(dev, B43_NPHY_RFCTL_CMD) & B43_NPHY_RFCTL_CMD_START)) { j = 0; break; } udelay(10); } if (j) b43err(dev->wl, "intc override timeout\n"); b43_phy_mask(dev, B43_NPHY_TXF_40CO_B1S1, 0xFFFE); } else { b43_phy_maskset(dev, B43_NPHY_RFCTL_INTC2, 0xFC3F, (value << 6)); b43_phy_maskset(dev, B43_NPHY_RFCTL_OVER, 0xFFFE, 1); b43_phy_set(dev, B43_NPHY_RFCTL_CMD, B43_NPHY_RFCTL_CMD_RXTX); for (j = 0; j < 100; j++) { if (!(b43_phy_read(dev, B43_NPHY_RFCTL_CMD) & B43_NPHY_RFCTL_CMD_RXTX)) { j = 0; break; } udelay(10); } if (j) b43err(dev->wl, "intc override timeout\n"); b43_phy_mask(dev, B43_NPHY_RFCTL_OVER, 0xFFFE); } break; case N_INTC_OVERRIDE_PA: if (b43_current_band(dev->wl) == NL80211_BAND_5GHZ) { tmp = 0x0020; val = value << 5; } else { tmp = 0x0010; val = value << 4; } b43_phy_maskset(dev, reg, ~tmp, val); break; case N_INTC_OVERRIDE_EXT_LNA_PU: if (b43_current_band(dev->wl) == NL80211_BAND_5GHZ) { tmp = 0x0001; val = value; } else { tmp = 0x0004; val = value << 2; } b43_phy_maskset(dev, reg, ~tmp, val); break; case N_INTC_OVERRIDE_EXT_LNA_GAIN: if (b43_current_band(dev->wl) == NL80211_BAND_5GHZ) { tmp = 0x0002; val = value << 1; } else { tmp = 0x0008; val = value << 3; } b43_phy_maskset(dev, reg, ~tmp, val); break; } } } /************************************************** * Various PHY ops **************************************************/ /* https://bcm-v4.sipsolutions.net/802.11/PHY/N/clip-detection */ static void b43_nphy_write_clip_detection(struct b43_wldev *dev, const u16 *clip_st) { b43_phy_write(dev, B43_NPHY_C1_CLIP1THRES, clip_st[0]); b43_phy_write(dev, B43_NPHY_C2_CLIP1THRES, clip_st[1]); } /* https://bcm-v4.sipsolutions.net/802.11/PHY/N/clip-detection */ static void b43_nphy_read_clip_detection(struct b43_wldev *dev, u16 *clip_st) { clip_st[0] = b43_phy_read(dev, B43_NPHY_C1_CLIP1THRES); clip_st[1] = b43_phy_read(dev, B43_NPHY_C2_CLIP1THRES); } /* https://bcm-v4.sipsolutions.net/802.11/PHY/N/classifier */ static u16 b43_nphy_classifier(struct b43_wldev *dev, u16 mask, u16 val) { u16 tmp; if (dev->dev->core_rev == 16) b43_mac_suspend(dev); tmp = b43_phy_read(dev, B43_NPHY_CLASSCTL); tmp &= (B43_NPHY_CLASSCTL_CCKEN | B43_NPHY_CLASSCTL_OFDMEN | B43_NPHY_CLASSCTL_WAITEDEN); tmp &= ~mask; tmp |= (val & mask); b43_phy_maskset(dev, B43_NPHY_CLASSCTL, 0xFFF8, tmp); if (dev->dev->core_rev == 16) b43_mac_enable(dev); return tmp; } /* https://bcm-v4.sipsolutions.net/802.11/PHY/N/CCA */ static void b43_nphy_reset_cca(struct b43_wldev *dev) { u16 bbcfg; b43_phy_force_clock(dev, 1); bbcfg = b43_phy_read(dev, B43_NPHY_BBCFG); b43_phy_write(dev, B43_NPHY_BBCFG, bbcfg | B43_NPHY_BBCFG_RSTCCA); udelay(1); b43_phy_write(dev, B43_NPHY_BBCFG, bbcfg & ~B43_NPHY_BBCFG_RSTCCA); b43_phy_force_clock(dev, 0); b43_nphy_force_rf_sequence(dev, B43_RFSEQ_RESET2RX); } /* https://bcm-v4.sipsolutions.net/802.11/PHY/N/carriersearch */ static void b43_nphy_stay_in_carrier_search(struct b43_wldev *dev, bool enable) { struct b43_phy *phy = &dev->phy; struct b43_phy_n *nphy = phy->n; if (enable) { static const u16 clip[] = { 0xFFFF, 0xFFFF }; if (nphy->deaf_count++ == 0) { nphy->classifier_state = b43_nphy_classifier(dev, 0, 0); b43_nphy_classifier(dev, 0x7, B43_NPHY_CLASSCTL_WAITEDEN); b43_nphy_read_clip_detection(dev, nphy->clip_state); b43_nphy_write_clip_detection(dev, clip); } b43_nphy_reset_cca(dev); } else { if (--nphy->deaf_count == 0) { b43_nphy_classifier(dev, 0x7, nphy->classifier_state); b43_nphy_write_clip_detection(dev, nphy->clip_state); } } } /* https://bcm-v4.sipsolutions.net/PHY/N/Read_Lpf_Bw_Ctl */ static u16 b43_nphy_read_lpf_ctl(struct b43_wldev *dev, u16 offset) { if (!offset) offset = b43_is_40mhz(dev) ? 0x159 : 0x154; return b43_ntab_read(dev, B43_NTAB16(7, offset)) & 0x7; } /* https://bcm-v4.sipsolutions.net/802.11/PHY/N/AdjustLnaGainTbl */ static void b43_nphy_adjust_lna_gain_table(struct b43_wldev *dev) { struct b43_phy_n *nphy = dev->phy.n; u8 i; s16 tmp; u16 data[4]; s16 gain[2]; u16 minmax[2]; static const s16 lna_gain[4] = { -2, 10, 19, 25 }; if (nphy->hang_avoid) b43_nphy_stay_in_carrier_search(dev, 1); if (nphy->gain_boost) { if (b43_current_band(dev->wl) == NL80211_BAND_2GHZ) { gain[0] = 6; gain[1] = 6; } else { tmp = 40370 - 315 * dev->phy.channel; gain[0] = ((tmp >> 13) + ((tmp >> 12) & 1)); tmp = 23242 - 224 * dev->phy.channel; gain[1] = ((tmp >> 13) + ((tmp >> 12) & 1)); } } else { gain[0] = 0; gain[1] = 0; } for (i = 0; i < 2; i++) { if (nphy->elna_gain_config) { data[0] = 19 + gain[i]; data[1] = 25 + gain[i]; data[2] = 25 + gain[i]; data[3] = 25 + gain[i]; } else { data[0] = lna_gain[0] + gain[i]; data[1] = lna_gain[1] + gain[i]; data[2] = lna_gain[2] + gain[i]; data[3] = lna_gain[3] + gain[i]; } b43_ntab_write_bulk(dev, B43_NTAB16(i, 8), 4, data); minmax[i] = 23 + gain[i]; } b43_phy_maskset(dev, B43_NPHY_C1_MINMAX_GAIN, ~B43_NPHY_C1_MINGAIN, minmax[0] << B43_NPHY_C1_MINGAIN_SHIFT); b43_phy_maskset(dev, B43_NPHY_C2_MINMAX_GAIN, ~B43_NPHY_C2_MINGAIN, minmax[1] << B43_NPHY_C2_MINGAIN_SHIFT); if (nphy->hang_avoid) b43_nphy_stay_in_carrier_search(dev, 0); } /* https://bcm-v4.sipsolutions.net/802.11/PHY/N/SetRfSeq */ static void b43_nphy_set_rf_sequence(struct b43_wldev *dev, u8 cmd, u8 *events, u8 *delays, u8 length) { struct b43_phy_n *nphy = dev->phy.n; u8 i; u8 end = (dev->phy.rev >= 3) ? 0x1F : 0x0F; u16 offset1 = cmd << 4; u16 offset2 = offset1 + 0x80; if (nphy->hang_avoid) b43_nphy_stay_in_carrier_search(dev, true); b43_ntab_write_bulk(dev, B43_NTAB8(7, offset1), length, events); b43_ntab_write_bulk(dev, B43_NTAB8(7, offset2), length, delays); for (i = length; i < 16; i++) { b43_ntab_write(dev, B43_NTAB8(7, offset1 + i), end); b43_ntab_write(dev, B43_NTAB8(7, offset2 + i), 1); } if (nphy->hang_avoid) b43_nphy_stay_in_carrier_search(dev, false); } /************************************************** * Radio 0x2057 **************************************************/ static void b43_radio_2057_chantab_upload(struct b43_wldev *dev, const struct b43_nphy_chantabent_rev7 *e_r7, const struct b43_nphy_chantabent_rev7_2g *e_r7_2g) { if (e_r7_2g) { b43_radio_write(dev, R2057_VCOCAL_COUNTVAL0, e_r7_2g->radio_vcocal_countval0); b43_radio_write(dev, R2057_VCOCAL_COUNTVAL1, e_r7_2g->radio_vcocal_countval1); b43_radio_write(dev, R2057_RFPLL_REFMASTER_SPAREXTALSIZE, e_r7_2g->radio_rfpll_refmaster_sparextalsize); b43_radio_write(dev, R2057_RFPLL_LOOPFILTER_R1, e_r7_2g->radio_rfpll_loopfilter_r1); b43_radio_write(dev, R2057_RFPLL_LOOPFILTER_C2, e_r7_2g->radio_rfpll_loopfilter_c2); b43_radio_write(dev, R2057_RFPLL_LOOPFILTER_C1, e_r7_2g->radio_rfpll_loopfilter_c1); b43_radio_write(dev, R2057_CP_KPD_IDAC, e_r7_2g->radio_cp_kpd_idac); b43_radio_write(dev, R2057_RFPLL_MMD0, e_r7_2g->radio_rfpll_mmd0); b43_radio_write(dev, R2057_RFPLL_MMD1, e_r7_2g->radio_rfpll_mmd1); b43_radio_write(dev, R2057_VCOBUF_TUNE, e_r7_2g->radio_vcobuf_tune); b43_radio_write(dev, R2057_LOGEN_MX2G_TUNE, e_r7_2g->radio_logen_mx2g_tune); b43_radio_write(dev, R2057_LOGEN_INDBUF2G_TUNE, e_r7_2g->radio_logen_indbuf2g_tune); b43_radio_write(dev, R2057_TXMIX2G_TUNE_BOOST_PU_CORE0, e_r7_2g->radio_txmix2g_tune_boost_pu_core0); b43_radio_write(dev, R2057_PAD2G_TUNE_PUS_CORE0, e_r7_2g->radio_pad2g_tune_pus_core0); b43_radio_write(dev, R2057_LNA2G_TUNE_CORE0, e_r7_2g->radio_lna2g_tune_core0); b43_radio_write(dev, R2057_TXMIX2G_TUNE_BOOST_PU_CORE1, e_r7_2g->radio_txmix2g_tune_boost_pu_core1); b43_radio_write(dev, R2057_PAD2G_TUNE_PUS_CORE1, e_r7_2g->radio_pad2g_tune_pus_core1); b43_radio_write(dev, R2057_LNA2G_TUNE_CORE1, e_r7_2g->radio_lna2g_tune_core1); } else { b43_radio_write(dev, R2057_VCOCAL_COUNTVAL0, e_r7->radio_vcocal_countval0); b43_radio_write(dev, R2057_VCOCAL_COUNTVAL1, e_r7->radio_vcocal_countval1); b43_radio_write(dev, R2057_RFPLL_REFMASTER_SPAREXTALSIZE, e_r7->radio_rfpll_refmaster_sparextalsize); b43_radio_write(dev, R2057_RFPLL_LOOPFILTER_R1, e_r7->radio_rfpll_loopfilter_r1); b43_radio_write(dev, R2057_RFPLL_LOOPFILTER_C2, e_r7->radio_rfpll_loopfilter_c2); b43_radio_write(dev, R2057_RFPLL_LOOPFILTER_C1, e_r7->radio_rfpll_loopfilter_c1); b43_radio_write(dev, R2057_CP_KPD_IDAC, e_r7->radio_cp_kpd_idac); b43_radio_write(dev, R2057_RFPLL_MMD0, e_r7->radio_rfpll_mmd0); b43_radio_write(dev, R2057_RFPLL_MMD1, e_r7->radio_rfpll_mmd1); b43_radio_write(dev, R2057_VCOBUF_TUNE, e_r7->radio_vcobuf_tune); b43_radio_write(dev, R2057_LOGEN_MX2G_TUNE, e_r7->radio_logen_mx2g_tune); b43_radio_write(dev, R2057_LOGEN_MX5G_TUNE, e_r7->radio_logen_mx5g_tune); b43_radio_write(dev, R2057_LOGEN_INDBUF2G_TUNE, e_r7->radio_logen_indbuf2g_tune); b43_radio_write(dev, R2057_LOGEN_INDBUF5G_TUNE, e_r7->radio_logen_indbuf5g_tune); b43_radio_write(dev, R2057_TXMIX2G_TUNE_BOOST_PU_CORE0, e_r7->radio_txmix2g_tune_boost_pu_core0); b43_radio_write(dev, R2057_PAD2G_TUNE_PUS_CORE0, e_r7->radio_pad2g_tune_pus_core0); b43_radio_write(dev, R2057_PGA_BOOST_TUNE_CORE0, e_r7->radio_pga_boost_tune_core0); b43_radio_write(dev, R2057_TXMIX5G_BOOST_TUNE_CORE0, e_r7->radio_txmix5g_boost_tune_core0); b43_radio_write(dev, R2057_PAD5G_TUNE_MISC_PUS_CORE0, e_r7->radio_pad5g_tune_misc_pus_core0); b43_radio_write(dev, R2057_LNA2G_TUNE_CORE0, e_r7->radio_lna2g_tune_core0); b43_radio_write(dev, R2057_LNA5G_TUNE_CORE0, e_r7->radio_lna5g_tune_core0); b43_radio_write(dev, R2057_TXMIX2G_TUNE_BOOST_PU_CORE1, e_r7->radio_txmix2g_tune_boost_pu_core1); b43_radio_write(dev, R2057_PAD2G_TUNE_PUS_CORE1, e_r7->radio_pad2g_tune_pus_core1); b43_radio_write(dev, R2057_PGA_BOOST_TUNE_CORE1, e_r7->radio_pga_boost_tune_core1); b43_radio_write(dev, R2057_TXMIX5G_BOOST_TUNE_CORE1, e_r7->radio_txmix5g_boost_tune_core1); b43_radio_write(dev, R2057_PAD5G_TUNE_MISC_PUS_CORE1, e_r7->radio_pad5g_tune_misc_pus_core1); b43_radio_write(dev, R2057_LNA2G_TUNE_CORE1, e_r7->radio_lna2g_tune_core1); b43_radio_write(dev, R2057_LNA5G_TUNE_CORE1, e_r7->radio_lna5g_tune_core1); } } static void b43_radio_2057_setup(struct b43_wldev *dev, const struct b43_nphy_chantabent_rev7 *tabent_r7, const struct b43_nphy_chantabent_rev7_2g *tabent_r7_2g) { struct b43_phy *phy = &dev->phy; b43_radio_2057_chantab_upload(dev, tabent_r7, tabent_r7_2g); switch (phy->radio_rev) { case 0 ... 4: case 6: if (b43_current_band(dev->wl) == NL80211_BAND_2GHZ) { b43_radio_write(dev, R2057_RFPLL_LOOPFILTER_R1, 0x3f); b43_radio_write(dev, R2057_CP_KPD_IDAC, 0x3f); b43_radio_write(dev, R2057_RFPLL_LOOPFILTER_C1, 0x8); b43_radio_write(dev, R2057_RFPLL_LOOPFILTER_C2, 0x8); } else { b43_radio_write(dev, R2057_RFPLL_LOOPFILTER_R1, 0x1f); b43_radio_write(dev, R2057_CP_KPD_IDAC, 0x3f); b43_radio_write(dev, R2057_RFPLL_LOOPFILTER_C1, 0x8); b43_radio_write(dev, R2057_RFPLL_LOOPFILTER_C2, 0x8); } break; case 9: /* e.g. PHY rev 16 */ b43_radio_write(dev, R2057_LOGEN_PTAT_RESETS, 0x20); b43_radio_write(dev, R2057_VCOBUF_IDACS, 0x18); if (b43_current_band(dev->wl) == NL80211_BAND_5GHZ) { b43_radio_write(dev, R2057_LOGEN_PTAT_RESETS, 0x38); b43_radio_write(dev, R2057_VCOBUF_IDACS, 0x0f); if (b43_is_40mhz(dev)) { /* TODO */ } else { b43_radio_write(dev, R2057_PAD_BIAS_FILTER_BWS_CORE0, 0x3c); b43_radio_write(dev, R2057_PAD_BIAS_FILTER_BWS_CORE1, 0x3c); } } break; case 14: /* 2 GHz only */ b43_radio_write(dev, R2057_RFPLL_LOOPFILTER_R1, 0x1b); b43_radio_write(dev, R2057_CP_KPD_IDAC, 0x3f); b43_radio_write(dev, R2057_RFPLL_LOOPFILTER_C1, 0x1f); b43_radio_write(dev, R2057_RFPLL_LOOPFILTER_C2, 0x1f); break; } if (b43_current_band(dev->wl) == NL80211_BAND_2GHZ) { u16 txmix2g_tune_boost_pu = 0; u16 pad2g_tune_pus = 0; if (b43_nphy_ipa(dev)) { switch (phy->radio_rev) { case 9: txmix2g_tune_boost_pu = 0x0041; /* TODO */ break; case 14: txmix2g_tune_boost_pu = 0x21; pad2g_tune_pus = 0x23; break; } } if (txmix2g_tune_boost_pu) b43_radio_write(dev, R2057_TXMIX2G_TUNE_BOOST_PU_CORE0, txmix2g_tune_boost_pu); if (pad2g_tune_pus) b43_radio_write(dev, R2057_PAD2G_TUNE_PUS_CORE0, pad2g_tune_pus); if (txmix2g_tune_boost_pu) b43_radio_write(dev, R2057_TXMIX2G_TUNE_BOOST_PU_CORE1, txmix2g_tune_boost_pu); if (pad2g_tune_pus) b43_radio_write(dev, R2057_PAD2G_TUNE_PUS_CORE1, pad2g_tune_pus); } usleep_range(50, 100); /* VCO calibration */ b43_radio_mask(dev, R2057_RFPLL_MISC_EN, ~0x01); b43_radio_mask(dev, R2057_RFPLL_MISC_CAL_RESETN, ~0x04); b43_radio_set(dev, R2057_RFPLL_MISC_CAL_RESETN, 0x4); b43_radio_set(dev, R2057_RFPLL_MISC_EN, 0x01); usleep_range(300, 600); } /* Calibrate resistors in LPF of PLL? * https://bcm-v4.sipsolutions.net/PHY/radio205x_rcal */ static u8 b43_radio_2057_rcal(struct b43_wldev *dev) { struct b43_phy *phy = &dev->phy; u16 saved_regs_phy[12]; u16 saved_regs_phy_rf[6]; u16 saved_regs_radio[2] = { }; static const u16 phy_to_store[] = { B43_NPHY_RFCTL_RSSIO1, B43_NPHY_RFCTL_RSSIO2, B43_NPHY_RFCTL_LUT_TRSW_LO1, B43_NPHY_RFCTL_LUT_TRSW_LO2, B43_NPHY_RFCTL_RXG1, B43_NPHY_RFCTL_RXG2, B43_NPHY_RFCTL_TXG1, B43_NPHY_RFCTL_TXG2, B43_NPHY_REV7_RF_CTL_MISC_REG3, B43_NPHY_REV7_RF_CTL_MISC_REG4, B43_NPHY_REV7_RF_CTL_MISC_REG5, B43_NPHY_REV7_RF_CTL_MISC_REG6, }; static const u16 phy_to_store_rf[] = { B43_NPHY_REV3_RFCTL_OVER0, B43_NPHY_REV3_RFCTL_OVER1, B43_NPHY_REV7_RF_CTL_OVER3, B43_NPHY_REV7_RF_CTL_OVER4, B43_NPHY_REV7_RF_CTL_OVER5, B43_NPHY_REV7_RF_CTL_OVER6, }; u16 tmp; int i; /* Save */ for (i = 0; i < ARRAY_SIZE(phy_to_store); i++) saved_regs_phy[i] = b43_phy_read(dev, phy_to_store[i]); for (i = 0; i < ARRAY_SIZE(phy_to_store_rf); i++) saved_regs_phy_rf[i] = b43_phy_read(dev, phy_to_store_rf[i]); /* Set */ for (i = 0; i < ARRAY_SIZE(phy_to_store); i++) b43_phy_write(dev, phy_to_store[i], 0); b43_phy_write(dev, B43_NPHY_REV3_RFCTL_OVER0, 0x07ff); b43_phy_write(dev, B43_NPHY_REV3_RFCTL_OVER1, 0x07ff); b43_phy_write(dev, B43_NPHY_REV7_RF_CTL_OVER3, 0x07ff); b43_phy_write(dev, B43_NPHY_REV7_RF_CTL_OVER4, 0x07ff); b43_phy_write(dev, B43_NPHY_REV7_RF_CTL_OVER5, 0x007f); b43_phy_write(dev, B43_NPHY_REV7_RF_CTL_OVER6, 0x007f); switch (phy->radio_rev) { case 5: b43_phy_mask(dev, B43_NPHY_REV7_RF_CTL_OVER3, ~0x2); udelay(10); b43_radio_set(dev, R2057_IQTEST_SEL_PU, 0x1); b43_radio_maskset(dev, R2057v7_IQTEST_SEL_PU2, ~0x2, 0x1); break; case 9: b43_phy_set(dev, B43_NPHY_REV7_RF_CTL_OVER3, 0x2); b43_phy_set(dev, B43_NPHY_REV7_RF_CTL_MISC_REG3, 0x2); saved_regs_radio[0] = b43_radio_read(dev, R2057_IQTEST_SEL_PU); b43_radio_write(dev, R2057_IQTEST_SEL_PU, 0x11); break; case 14: saved_regs_radio[0] = b43_radio_read(dev, R2057_IQTEST_SEL_PU); saved_regs_radio[1] = b43_radio_read(dev, R2057v7_IQTEST_SEL_PU2); b43_phy_set(dev, B43_NPHY_REV7_RF_CTL_MISC_REG3, 0x2); b43_phy_set(dev, B43_NPHY_REV7_RF_CTL_OVER3, 0x2); b43_radio_write(dev, R2057v7_IQTEST_SEL_PU2, 0x2); b43_radio_write(dev, R2057_IQTEST_SEL_PU, 0x1); break; } /* Enable */ b43_radio_set(dev, R2057_RCAL_CONFIG, 0x1); udelay(10); /* Start */ b43_radio_set(dev, R2057_RCAL_CONFIG, 0x2); usleep_range(100, 200); /* Stop */ b43_radio_mask(dev, R2057_RCAL_CONFIG, ~0x2); /* Wait and check for result */ if (!b43_radio_wait_value(dev, R2057_RCAL_STATUS, 1, 1, 100, 1000000)) { b43err(dev->wl, "Radio 0x2057 rcal timeout\n"); return 0; } tmp = b43_radio_read(dev, R2057_RCAL_STATUS) & 0x3E; /* Disable */ b43_radio_mask(dev, R2057_RCAL_CONFIG, ~0x1); /* Restore */ for (i = 0; i < ARRAY_SIZE(phy_to_store_rf); i++) b43_phy_write(dev, phy_to_store_rf[i], saved_regs_phy_rf[i]); for (i = 0; i < ARRAY_SIZE(phy_to_store); i++) b43_phy_write(dev, phy_to_store[i], saved_regs_phy[i]); switch (phy->radio_rev) { case 0 ... 4: case 6: b43_radio_maskset(dev, R2057_TEMPSENSE_CONFIG, ~0x3C, tmp); b43_radio_maskset(dev, R2057_BANDGAP_RCAL_TRIM, ~0xF0, tmp << 2); break; case 5: b43_radio_mask(dev, R2057_IPA2G_CASCONV_CORE0, ~0x1); b43_radio_mask(dev, R2057v7_IQTEST_SEL_PU2, ~0x2); break; case 9: b43_radio_write(dev, R2057_IQTEST_SEL_PU, saved_regs_radio[0]); break; case 14: b43_radio_write(dev, R2057_IQTEST_SEL_PU, saved_regs_radio[0]); b43_radio_write(dev, R2057v7_IQTEST_SEL_PU2, saved_regs_radio[1]); break; } return tmp & 0x3e; } /* Calibrate the internal RC oscillator? * https://bcm-v4.sipsolutions.net/PHY/radio2057_rccal */ static u16 b43_radio_2057_rccal(struct b43_wldev *dev) { struct b43_phy *phy = &dev->phy; bool special = (phy->radio_rev == 3 || phy->radio_rev == 4 || phy->radio_rev == 6); u16 tmp; /* Setup cal */ if (special) { b43_radio_write(dev, R2057_RCCAL_MASTER, 0x61); b43_radio_write(dev, R2057_RCCAL_TRC0, 0xC0); } else { b43_radio_write(dev, R2057v7_RCCAL_MASTER, 0x61); b43_radio_write(dev, R2057_RCCAL_TRC0, 0xE9); } b43_radio_write(dev, R2057_RCCAL_X1, 0x6E); /* Start, wait, stop */ b43_radio_write(dev, R2057_RCCAL_START_R1_Q1_P1, 0x55); if (!b43_radio_wait_value(dev, R2057_RCCAL_DONE_OSCCAP, 2, 2, 500, 5000000)) b43dbg(dev->wl, "Radio 0x2057 rccal timeout\n"); usleep_range(35, 70); b43_radio_write(dev, R2057_RCCAL_START_R1_Q1_P1, 0x15); usleep_range(70, 140); /* Setup cal */ if (special) { b43_radio_write(dev, R2057_RCCAL_MASTER, 0x69); b43_radio_write(dev, R2057_RCCAL_TRC0, 0xB0); } else { b43_radio_write(dev, R2057v7_RCCAL_MASTER, 0x69); b43_radio_write(dev, R2057_RCCAL_TRC0, 0xD5); } b43_radio_write(dev, R2057_RCCAL_X1, 0x6E); /* Start, wait, stop */ usleep_range(35, 70); b43_radio_write(dev, R2057_RCCAL_START_R1_Q1_P1, 0x55); usleep_range(70, 140); if (!b43_radio_wait_value(dev, R2057_RCCAL_DONE_OSCCAP, 2, 2, 500, 5000000)) b43dbg(dev->wl, "Radio 0x2057 rccal timeout\n"); usleep_range(35, 70); b43_radio_write(dev, R2057_RCCAL_START_R1_Q1_P1, 0x15); usleep_range(70, 140); /* Setup cal */ if (special) { b43_radio_write(dev, R2057_RCCAL_MASTER, 0x73); b43_radio_write(dev, R2057_RCCAL_X1, 0x28); b43_radio_write(dev, R2057_RCCAL_TRC0, 0xB0); } else { b43_radio_write(dev, R2057v7_RCCAL_MASTER, 0x73); b43_radio_write(dev, R2057_RCCAL_X1, 0x6E); b43_radio_write(dev, R2057_RCCAL_TRC0, 0x99); } /* Start, wait, stop */ usleep_range(35, 70); b43_radio_write(dev, R2057_RCCAL_START_R1_Q1_P1, 0x55); usleep_range(70, 140); if (!b43_radio_wait_value(dev, R2057_RCCAL_DONE_OSCCAP, 2, 2, 500, 5000000)) { b43err(dev->wl, "Radio 0x2057 rcal timeout\n"); return 0; } tmp = b43_radio_read(dev, R2057_RCCAL_DONE_OSCCAP); usleep_range(35, 70); b43_radio_write(dev, R2057_RCCAL_START_R1_Q1_P1, 0x15); usleep_range(70, 140); if (special) b43_radio_mask(dev, R2057_RCCAL_MASTER, ~0x1); else b43_radio_mask(dev, R2057v7_RCCAL_MASTER, ~0x1); return tmp; } static void b43_radio_2057_init_pre(struct b43_wldev *dev) { b43_phy_mask(dev, B43_NPHY_RFCTL_CMD, ~B43_NPHY_RFCTL_CMD_CHIP0PU); /* Maybe wl meant to reset and set (order?) RFCTL_CMD_OEPORFORCE? */ b43_phy_mask(dev, B43_NPHY_RFCTL_CMD, B43_NPHY_RFCTL_CMD_OEPORFORCE); b43_phy_set(dev, B43_NPHY_RFCTL_CMD, ~B43_NPHY_RFCTL_CMD_OEPORFORCE); b43_phy_set(dev, B43_NPHY_RFCTL_CMD, B43_NPHY_RFCTL_CMD_CHIP0PU); } static void b43_radio_2057_init_post(struct b43_wldev *dev) { b43_radio_set(dev, R2057_XTALPUOVR_PINCTRL, 0x1); if (0) /* FIXME: Is this BCM43217 specific? */ b43_radio_set(dev, R2057_XTALPUOVR_PINCTRL, 0x2); b43_radio_set(dev, R2057_RFPLL_MISC_CAL_RESETN, 0x78); b43_radio_set(dev, R2057_XTAL_CONFIG2, 0x80); usleep_range(2000, 3000); b43_radio_mask(dev, R2057_RFPLL_MISC_CAL_RESETN, ~0x78); b43_radio_mask(dev, R2057_XTAL_CONFIG2, ~0x80); if (dev->phy.do_full_init) { b43_radio_2057_rcal(dev); b43_radio_2057_rccal(dev); } b43_radio_mask(dev, R2057_RFPLL_MASTER, ~0x8); } /* https://bcm-v4.sipsolutions.net/802.11/Radio/2057/Init */ static void b43_radio_2057_init(struct b43_wldev *dev) { b43_radio_2057_init_pre(dev); r2057_upload_inittabs(dev); b43_radio_2057_init_post(dev); } /************************************************** * Radio 0x2056 **************************************************/ static void b43_chantab_radio_2056_upload(struct b43_wldev *dev, const struct b43_nphy_channeltab_entry_rev3 *e) { b43_radio_write(dev, B2056_SYN_PLL_VCOCAL1, e->radio_syn_pll_vcocal1); b43_radio_write(dev, B2056_SYN_PLL_VCOCAL2, e->radio_syn_pll_vcocal2); b43_radio_write(dev, B2056_SYN_PLL_REFDIV, e->radio_syn_pll_refdiv); b43_radio_write(dev, B2056_SYN_PLL_MMD2, e->radio_syn_pll_mmd2); b43_radio_write(dev, B2056_SYN_PLL_MMD1, e->radio_syn_pll_mmd1); b43_radio_write(dev, B2056_SYN_PLL_LOOPFILTER1, e->radio_syn_pll_loopfilter1); b43_radio_write(dev, B2056_SYN_PLL_LOOPFILTER2, e->radio_syn_pll_loopfilter2); b43_radio_write(dev, B2056_SYN_PLL_LOOPFILTER3, e->radio_syn_pll_loopfilter3); b43_radio_write(dev, B2056_SYN_PLL_LOOPFILTER4, e->radio_syn_pll_loopfilter4); b43_radio_write(dev, B2056_SYN_PLL_LOOPFILTER5, e->radio_syn_pll_loopfilter5); b43_radio_write(dev, B2056_SYN_RESERVED_ADDR27, e->radio_syn_reserved_addr27); b43_radio_write(dev, B2056_SYN_RESERVED_ADDR28, e->radio_syn_reserved_addr28); b43_radio_write(dev, B2056_SYN_RESERVED_ADDR29, e->radio_syn_reserved_addr29); b43_radio_write(dev, B2056_SYN_LOGEN_VCOBUF1, e->radio_syn_logen_vcobuf1); b43_radio_write(dev, B2056_SYN_LOGEN_MIXER2, e->radio_syn_logen_mixer2); b43_radio_write(dev, B2056_SYN_LOGEN_BUF3, e->radio_syn_logen_buf3); b43_radio_write(dev, B2056_SYN_LOGEN_BUF4, e->radio_syn_logen_buf4); b43_radio_write(dev, B2056_RX0 | B2056_RX_LNAA_TUNE, e->radio_rx0_lnaa_tune); b43_radio_write(dev, B2056_RX0 | B2056_RX_LNAG_TUNE, e->radio_rx0_lnag_tune); b43_radio_write(dev, B2056_TX0 | B2056_TX_INTPAA_BOOST_TUNE, e->radio_tx0_intpaa_boost_tune); b43_radio_write(dev, B2056_TX0 | B2056_TX_INTPAG_BOOST_TUNE, e->radio_tx0_intpag_boost_tune); b43_radio_write(dev, B2056_TX0 | B2056_TX_PADA_BOOST_TUNE, e->radio_tx0_pada_boost_tune); b43_radio_write(dev, B2056_TX0 | B2056_TX_PADG_BOOST_TUNE, e->radio_tx0_padg_boost_tune); b43_radio_write(dev, B2056_TX0 | B2056_TX_PGAA_BOOST_TUNE, e->radio_tx0_pgaa_boost_tune); b43_radio_write(dev, B2056_TX0 | B2056_TX_PGAG_BOOST_TUNE, e->radio_tx0_pgag_boost_tune); b43_radio_write(dev, B2056_TX0 | B2056_TX_MIXA_BOOST_TUNE, e->radio_tx0_mixa_boost_tune); b43_radio_write(dev, B2056_TX0 | B2056_TX_MIXG_BOOST_TUNE, e->radio_tx0_mixg_boost_tune); b43_radio_write(dev, B2056_RX1 | B2056_RX_LNAA_TUNE, e->radio_rx1_lnaa_tune); b43_radio_write(dev, B2056_RX1 | B2056_RX_LNAG_TUNE, e->radio_rx1_lnag_tune); b43_radio_write(dev, B2056_TX1 | B2056_TX_INTPAA_BOOST_TUNE, e->radio_tx1_intpaa_boost_tune); b43_radio_write(dev, B2056_TX1 | B2056_TX_INTPAG_BOOST_TUNE, e->radio_tx1_intpag_boost_tune); b43_radio_write(dev, B2056_TX1 | B2056_TX_PADA_BOOST_TUNE, e->radio_tx1_pada_boost_tune); b43_radio_write(dev, B2056_TX1 | B2056_TX_PADG_BOOST_TUNE, e->radio_tx1_padg_boost_tune); b43_radio_write(dev, B2056_TX1 | B2056_TX_PGAA_BOOST_TUNE, e->radio_tx1_pgaa_boost_tune); b43_radio_write(dev, B2056_TX1 | B2056_TX_PGAG_BOOST_TUNE, e->radio_tx1_pgag_boost_tune); b43_radio_write(dev, B2056_TX1 | B2056_TX_MIXA_BOOST_TUNE, e->radio_tx1_mixa_boost_tune); b43_radio_write(dev, B2056_TX1 | B2056_TX_MIXG_BOOST_TUNE, e->radio_tx1_mixg_boost_tune); } /* https://bcm-v4.sipsolutions.net/802.11/PHY/Radio/2056Setup */ static void b43_radio_2056_setup(struct b43_wldev *dev, const struct b43_nphy_channeltab_entry_rev3 *e) { struct b43_phy *phy = &dev->phy; struct ssb_sprom *sprom = dev->dev->bus_sprom; enum nl80211_band band = b43_current_band(dev->wl); u16 offset; u8 i; u16 bias, cbias; u16 pag_boost, padg_boost, pgag_boost, mixg_boost; u16 paa_boost, pada_boost, pgaa_boost, mixa_boost; bool is_pkg_fab_smic; B43_WARN_ON(dev->phy.rev < 3); is_pkg_fab_smic = ((dev->dev->chip_id == BCMA_CHIP_ID_BCM43224 || dev->dev->chip_id == BCMA_CHIP_ID_BCM43225 || dev->dev->chip_id == BCMA_CHIP_ID_BCM43421) && dev->dev->chip_pkg == BCMA_PKG_ID_BCM43224_FAB_SMIC); b43_chantab_radio_2056_upload(dev, e); b2056_upload_syn_pll_cp2(dev, band == NL80211_BAND_5GHZ); if (sprom->boardflags2_lo & B43_BFL2_GPLL_WAR && b43_current_band(dev->wl) == NL80211_BAND_2GHZ) { b43_radio_write(dev, B2056_SYN_PLL_LOOPFILTER1, 0x1F); b43_radio_write(dev, B2056_SYN_PLL_LOOPFILTER2, 0x1F); if (dev->dev->chip_id == BCMA_CHIP_ID_BCM4716 || dev->dev->chip_id == BCMA_CHIP_ID_BCM47162) { b43_radio_write(dev, B2056_SYN_PLL_LOOPFILTER4, 0x14); b43_radio_write(dev, B2056_SYN_PLL_CP2, 0); } else { b43_radio_write(dev, B2056_SYN_PLL_LOOPFILTER4, 0x0B); b43_radio_write(dev, B2056_SYN_PLL_CP2, 0x14); } } if (sprom->boardflags2_hi & B43_BFH2_GPLL_WAR2 && b43_current_band(dev->wl) == NL80211_BAND_2GHZ) { b43_radio_write(dev, B2056_SYN_PLL_LOOPFILTER1, 0x1f); b43_radio_write(dev, B2056_SYN_PLL_LOOPFILTER2, 0x1f); b43_radio_write(dev, B2056_SYN_PLL_LOOPFILTER4, 0x0b); b43_radio_write(dev, B2056_SYN_PLL_CP2, 0x20); } if (sprom->boardflags2_lo & B43_BFL2_APLL_WAR && b43_current_band(dev->wl) == NL80211_BAND_5GHZ) { b43_radio_write(dev, B2056_SYN_PLL_LOOPFILTER1, 0x1F); b43_radio_write(dev, B2056_SYN_PLL_LOOPFILTER2, 0x1F); b43_radio_write(dev, B2056_SYN_PLL_LOOPFILTER4, 0x05); b43_radio_write(dev, B2056_SYN_PLL_CP2, 0x0C); } if (dev->phy.n->ipa2g_on && band == NL80211_BAND_2GHZ) { for (i = 0; i < 2; i++) { offset = i ? B2056_TX1 : B2056_TX0; if (dev->phy.rev >= 5) { b43_radio_write(dev, offset | B2056_TX_PADG_IDAC, 0xcc); if (dev->dev->chip_id == BCMA_CHIP_ID_BCM4716 || dev->dev->chip_id == BCMA_CHIP_ID_BCM47162) { bias = 0x40; cbias = 0x45; pag_boost = 0x5; pgag_boost = 0x33; mixg_boost = 0x55; } else { bias = 0x25; cbias = 0x20; if (is_pkg_fab_smic) { bias = 0x2a; cbias = 0x38; } pag_boost = 0x4; pgag_boost = 0x03; mixg_boost = 0x65; } padg_boost = 0x77; b43_radio_write(dev, offset | B2056_TX_INTPAG_IMAIN_STAT, bias); b43_radio_write(dev, offset | B2056_TX_INTPAG_IAUX_STAT, bias); b43_radio_write(dev, offset | B2056_TX_INTPAG_CASCBIAS, cbias); b43_radio_write(dev, offset | B2056_TX_INTPAG_BOOST_TUNE, pag_boost); b43_radio_write(dev, offset | B2056_TX_PGAG_BOOST_TUNE, pgag_boost); b43_radio_write(dev, offset | B2056_TX_PADG_BOOST_TUNE, padg_boost); b43_radio_write(dev, offset | B2056_TX_MIXG_BOOST_TUNE, mixg_boost); } else { bias = b43_is_40mhz(dev) ? 0x40 : 0x20; b43_radio_write(dev, offset | B2056_TX_INTPAG_IMAIN_STAT, bias); b43_radio_write(dev, offset | B2056_TX_INTPAG_IAUX_STAT, bias); b43_radio_write(dev, offset | B2056_TX_INTPAG_CASCBIAS, 0x30); } b43_radio_write(dev, offset | B2056_TX_PA_SPARE1, 0xee); } } else if (dev->phy.n->ipa5g_on && band == NL80211_BAND_5GHZ) { u16 freq = phy->chandef->chan->center_freq; if (freq < 5100) { paa_boost = 0xA; pada_boost = 0x77; pgaa_boost = 0xF; mixa_boost = 0xF; } else if (freq < 5340) { paa_boost = 0x8; pada_boost = 0x77; pgaa_boost = 0xFB; mixa_boost = 0xF; } else if (freq < 5650) { paa_boost = 0x0; pada_boost = 0x77; pgaa_boost = 0xB; mixa_boost = 0xF; } else { paa_boost = 0x0; pada_boost = 0x77; if (freq != 5825) pgaa_boost = -(freq - 18) / 36 + 168; else pgaa_boost = 6; mixa_boost = 0xF; } cbias = is_pkg_fab_smic ? 0x35 : 0x30; for (i = 0; i < 2; i++) { offset = i ? B2056_TX1 : B2056_TX0; b43_radio_write(dev, offset | B2056_TX_INTPAA_BOOST_TUNE, paa_boost); b43_radio_write(dev, offset | B2056_TX_PADA_BOOST_TUNE, pada_boost); b43_radio_write(dev, offset | B2056_TX_PGAA_BOOST_TUNE, pgaa_boost); b43_radio_write(dev, offset | B2056_TX_MIXA_BOOST_TUNE, mixa_boost); b43_radio_write(dev, offset | B2056_TX_TXSPARE1, 0x30); b43_radio_write(dev, offset | B2056_TX_PA_SPARE2, 0xee); b43_radio_write(dev, offset | B2056_TX_PADA_CASCBIAS, 0x03); b43_radio_write(dev, offset | B2056_TX_INTPAA_IAUX_STAT, 0x30); b43_radio_write(dev, offset | B2056_TX_INTPAA_IMAIN_STAT, 0x30); b43_radio_write(dev, offset | B2056_TX_INTPAA_CASCBIAS, cbias); } } udelay(50); /* VCO calibration */ b43_radio_write(dev, B2056_SYN_PLL_VCOCAL12, 0x00); b43_radio_write(dev, B2056_TX_INTPAA_PA_MISC, 0x38); b43_radio_write(dev, B2056_TX_INTPAA_PA_MISC, 0x18); b43_radio_write(dev, B2056_TX_INTPAA_PA_MISC, 0x38); b43_radio_write(dev, B2056_TX_INTPAA_PA_MISC, 0x39); udelay(300); } static u8 b43_radio_2056_rcal(struct b43_wldev *dev) { struct b43_phy *phy = &dev->phy; u16 mast2, tmp; if (phy->rev != 3) return 0; mast2 = b43_radio_read(dev, B2056_SYN_PLL_MAST2); b43_radio_write(dev, B2056_SYN_PLL_MAST2, mast2 | 0x7); udelay(10); b43_radio_write(dev, B2056_SYN_RCAL_MASTER, 0x01); udelay(10); b43_radio_write(dev, B2056_SYN_RCAL_MASTER, 0x09); if (!b43_radio_wait_value(dev, B2056_SYN_RCAL_CODE_OUT, 0x80, 0x80, 100, 1000000)) { b43err(dev->wl, "Radio recalibration timeout\n"); return 0; } b43_radio_write(dev, B2056_SYN_RCAL_MASTER, 0x01); tmp = b43_radio_read(dev, B2056_SYN_RCAL_CODE_OUT); b43_radio_write(dev, B2056_SYN_RCAL_MASTER, 0x00); b43_radio_write(dev, B2056_SYN_PLL_MAST2, mast2); return tmp & 0x1f; } static void b43_radio_init2056_pre(struct b43_wldev *dev) { b43_phy_mask(dev, B43_NPHY_RFCTL_CMD, ~B43_NPHY_RFCTL_CMD_CHIP0PU); /* Maybe wl meant to reset and set (order?) RFCTL_CMD_OEPORFORCE? */ b43_phy_mask(dev, B43_NPHY_RFCTL_CMD, B43_NPHY_RFCTL_CMD_OEPORFORCE); b43_phy_set(dev, B43_NPHY_RFCTL_CMD, ~B43_NPHY_RFCTL_CMD_OEPORFORCE); b43_phy_set(dev, B43_NPHY_RFCTL_CMD, B43_NPHY_RFCTL_CMD_CHIP0PU); } static void b43_radio_init2056_post(struct b43_wldev *dev) { b43_radio_set(dev, B2056_SYN_COM_CTRL, 0xB); b43_radio_set(dev, B2056_SYN_COM_PU, 0x2); b43_radio_set(dev, B2056_SYN_COM_RESET, 0x2); msleep(1); b43_radio_mask(dev, B2056_SYN_COM_RESET, ~0x2); b43_radio_mask(dev, B2056_SYN_PLL_MAST2, ~0xFC); b43_radio_mask(dev, B2056_SYN_RCCAL_CTRL0, ~0x1); if (dev->phy.do_full_init) b43_radio_2056_rcal(dev); } /* * Initialize a Broadcom 2056 N-radio * https://bcm-v4.sipsolutions.net/802.11/Radio/2056/Init */ static void b43_radio_init2056(struct b43_wldev *dev) { b43_radio_init2056_pre(dev); b2056_upload_inittabs(dev, 0, 0); b43_radio_init2056_post(dev); } /************************************************** * Radio 0x2055 **************************************************/ static void b43_chantab_radio_upload(struct b43_wldev *dev, const struct b43_nphy_channeltab_entry_rev2 *e) { b43_radio_write(dev, B2055_PLL_REF, e->radio_pll_ref); b43_radio_write(dev, B2055_RF_PLLMOD0, e->radio_rf_pllmod0); b43_radio_write(dev, B2055_RF_PLLMOD1, e->radio_rf_pllmod1); b43_radio_write(dev, B2055_VCO_CAPTAIL, e->radio_vco_captail); b43_read32(dev, B43_MMIO_MACCTL); /* flush writes */ b43_radio_write(dev, B2055_VCO_CAL1, e->radio_vco_cal1); b43_radio_write(dev, B2055_VCO_CAL2, e->radio_vco_cal2); b43_radio_write(dev, B2055_PLL_LFC1, e->radio_pll_lfc1); b43_radio_write(dev, B2055_PLL_LFR1, e->radio_pll_lfr1); b43_read32(dev, B43_MMIO_MACCTL); /* flush writes */ b43_radio_write(dev, B2055_PLL_LFC2, e->radio_pll_lfc2); b43_radio_write(dev, B2055_LGBUF_CENBUF, e->radio_lgbuf_cenbuf); b43_radio_write(dev, B2055_LGEN_TUNE1, e->radio_lgen_tune1); b43_radio_write(dev, B2055_LGEN_TUNE2, e->radio_lgen_tune2); b43_read32(dev, B43_MMIO_MACCTL); /* flush writes */ b43_radio_write(dev, B2055_C1_LGBUF_ATUNE, e->radio_c1_lgbuf_atune); b43_radio_write(dev, B2055_C1_LGBUF_GTUNE, e->radio_c1_lgbuf_gtune); b43_radio_write(dev, B2055_C1_RX_RFR1, e->radio_c1_rx_rfr1); b43_radio_write(dev, B2055_C1_TX_PGAPADTN, e->radio_c1_tx_pgapadtn); b43_read32(dev, B43_MMIO_MACCTL); /* flush writes */ b43_radio_write(dev, B2055_C1_TX_MXBGTRIM, e->radio_c1_tx_mxbgtrim); b43_radio_write(dev, B2055_C2_LGBUF_ATUNE, e->radio_c2_lgbuf_atune); b43_radio_write(dev, B2055_C2_LGBUF_GTUNE, e->radio_c2_lgbuf_gtune); b43_radio_write(dev, B2055_C2_RX_RFR1, e->radio_c2_rx_rfr1); b43_read32(dev, B43_MMIO_MACCTL); /* flush writes */ b43_radio_write(dev, B2055_C2_TX_PGAPADTN, e->radio_c2_tx_pgapadtn); b43_radio_write(dev, B2055_C2_TX_MXBGTRIM, e->radio_c2_tx_mxbgtrim); } /* https://bcm-v4.sipsolutions.net/802.11/PHY/Radio/2055Setup */ static void b43_radio_2055_setup(struct b43_wldev *dev, const struct b43_nphy_channeltab_entry_rev2 *e) { B43_WARN_ON(dev->phy.rev >= 3); b43_chantab_radio_upload(dev, e); udelay(50); b43_radio_write(dev, B2055_VCO_CAL10, 0x05); b43_radio_write(dev, B2055_VCO_CAL10, 0x45); b43_read32(dev, B43_MMIO_MACCTL); /* flush writes */ b43_radio_write(dev, B2055_VCO_CAL10, 0x65); udelay(300); } static void b43_radio_init2055_pre(struct b43_wldev *dev) { b43_phy_mask(dev, B43_NPHY_RFCTL_CMD, ~B43_NPHY_RFCTL_CMD_PORFORCE); b43_phy_set(dev, B43_NPHY_RFCTL_CMD, B43_NPHY_RFCTL_CMD_CHIP0PU | B43_NPHY_RFCTL_CMD_OEPORFORCE); b43_phy_set(dev, B43_NPHY_RFCTL_CMD, B43_NPHY_RFCTL_CMD_PORFORCE); } static void b43_radio_init2055_post(struct b43_wldev *dev) { struct b43_phy_n *nphy = dev->phy.n; struct ssb_sprom *sprom = dev->dev->bus_sprom; bool workaround = false; if (sprom->revision < 4) workaround = (dev->dev->board_vendor != PCI_VENDOR_ID_BROADCOM && dev->dev->board_type == SSB_BOARD_CB2_4321 && dev->dev->board_rev >= 0x41); else workaround = !(sprom->boardflags2_lo & B43_BFL2_RXBB_INT_REG_DIS); b43_radio_mask(dev, B2055_MASTER1, 0xFFF3); if (workaround) { b43_radio_mask(dev, B2055_C1_RX_BB_REG, 0x7F); b43_radio_mask(dev, B2055_C2_RX_BB_REG, 0x7F); } b43_radio_maskset(dev, B2055_RRCCAL_NOPTSEL, 0xFFC0, 0x2C); b43_radio_write(dev, B2055_CAL_MISC, 0x3C); b43_radio_mask(dev, B2055_CAL_MISC, 0xFFBE); b43_radio_set(dev, B2055_CAL_LPOCTL, 0x80); b43_radio_set(dev, B2055_CAL_MISC, 0x1); msleep(1); b43_radio_set(dev, B2055_CAL_MISC, 0x40); if (!b43_radio_wait_value(dev, B2055_CAL_COUT2, 0x80, 0x80, 10, 2000)) b43err(dev->wl, "radio post init timeout\n"); b43_radio_mask(dev, B2055_CAL_LPOCTL, 0xFF7F); b43_switch_channel(dev, dev->phy.channel); b43_radio_write(dev, B2055_C1_RX_BB_LPF, 0x9); b43_radio_write(dev, B2055_C2_RX_BB_LPF, 0x9); b43_radio_write(dev, B2055_C1_RX_BB_MIDACHP, 0x83); b43_radio_write(dev, B2055_C2_RX_BB_MIDACHP, 0x83); b43_radio_maskset(dev, B2055_C1_LNA_GAINBST, 0xFFF8, 0x6); b43_radio_maskset(dev, B2055_C2_LNA_GAINBST, 0xFFF8, 0x6); if (!nphy->gain_boost) { b43_radio_set(dev, B2055_C1_RX_RFSPC1, 0x2); b43_radio_set(dev, B2055_C2_RX_RFSPC1, 0x2); } else { b43_radio_mask(dev, B2055_C1_RX_RFSPC1, 0xFFFD); b43_radio_mask(dev, B2055_C2_RX_RFSPC1, 0xFFFD); } udelay(2); } /* * Initialize a Broadcom 2055 N-radio * https://bcm-v4.sipsolutions.net/802.11/Radio/2055/Init */ static void b43_radio_init2055(struct b43_wldev *dev) { b43_radio_init2055_pre(dev); if (b43_status(dev) < B43_STAT_INITIALIZED) { /* Follow wl, not specs. Do not force uploading all regs */ b2055_upload_inittab(dev, 0, 0); } else { bool ghz5 = b43_current_band(dev->wl) == NL80211_BAND_5GHZ; b2055_upload_inittab(dev, ghz5, 0); } b43_radio_init2055_post(dev); } /************************************************** * Samples **************************************************/ /* https://bcm-v4.sipsolutions.net/802.11/PHY/N/LoadSampleTable */ static int b43_nphy_load_samples(struct b43_wldev *dev, struct cordic_iq *samples, u16 len) { struct b43_phy_n *nphy = dev->phy.n; u16 i; u32 *data; data = kcalloc(len, sizeof(u32), GFP_KERNEL); if (!data) { b43err(dev->wl, "allocation for samples loading failed\n"); return -ENOMEM; } if (nphy->hang_avoid) b43_nphy_stay_in_carrier_search(dev, 1); for (i = 0; i < len; i++) { data[i] = (samples[i].i & 0x3FF << 10); data[i] |= samples[i].q & 0x3FF; } b43_ntab_write_bulk(dev, B43_NTAB32(17, 0), len, data); kfree(data); if (nphy->hang_avoid) b43_nphy_stay_in_carrier_search(dev, 0); return 0; } /* https://bcm-v4.sipsolutions.net/802.11/PHY/N/GenLoadSamples */ static u16 b43_nphy_gen_load_samples(struct b43_wldev *dev, u32 freq, u16 max, bool test) { int i; u16 bw, len, rot, angle; struct cordic_iq *samples; bw = b43_is_40mhz(dev) ? 40 : 20; len = bw << 3; if (test) { if (b43_phy_read(dev, B43_NPHY_BBCFG) & B43_NPHY_BBCFG_RSTRX) bw = 82; else bw = 80; if (b43_is_40mhz(dev)) bw <<= 1; len = bw << 1; } samples = kcalloc(len, sizeof(struct cordic_iq), GFP_KERNEL); if (!samples) { b43err(dev->wl, "allocation for samples generation failed\n"); return 0; } rot = (((freq * 36) / bw) << 16) / 100; angle = 0; for (i = 0; i < len; i++) { samples[i] = cordic_calc_iq(CORDIC_FIXED(angle)); angle += rot; samples[i].q = CORDIC_FLOAT(samples[i].q * max); samples[i].i = CORDIC_FLOAT(samples[i].i * max); } i = b43_nphy_load_samples(dev, samples, len); kfree(samples); return (i < 0) ? 0 : len; } /* https://bcm-v4.sipsolutions.net/802.11/PHY/N/RunSamples */ static void b43_nphy_run_samples(struct b43_wldev *dev, u16 samps, u16 loops, u16 wait, bool iqmode, bool dac_test, bool modify_bbmult) { struct b43_phy *phy = &dev->phy; struct b43_phy_n *nphy = dev->phy.n; int i; u16 seq_mode; u32 tmp; b43_nphy_stay_in_carrier_search(dev, true); if (phy->rev >= 7) { bool lpf_bw3, lpf_bw4; lpf_bw3 = b43_phy_read(dev, B43_NPHY_REV7_RF_CTL_OVER3) & 0x80; lpf_bw4 = b43_phy_read(dev, B43_NPHY_REV7_RF_CTL_OVER4) & 0x80; if (lpf_bw3 || lpf_bw4) { /* TODO */ } else { u16 value = b43_nphy_read_lpf_ctl(dev, 0); if (phy->rev >= 19) b43_nphy_rf_ctl_override_rev19(dev, 0x80, value, 0, false, 1); else b43_nphy_rf_ctl_override_rev7(dev, 0x80, value, 0, false, 1); nphy->lpf_bw_overrode_for_sample_play = true; } } if ((nphy->bb_mult_save & 0x80000000) == 0) { tmp = b43_ntab_read(dev, B43_NTAB16(15, 87)); nphy->bb_mult_save = (tmp & 0xFFFF) | 0x80000000; } if (modify_bbmult) { tmp = !b43_is_40mhz(dev) ? 0x6464 : 0x4747; b43_ntab_write(dev, B43_NTAB16(15, 87), tmp); } b43_phy_write(dev, B43_NPHY_SAMP_DEPCNT, (samps - 1)); if (loops != 0xFFFF) b43_phy_write(dev, B43_NPHY_SAMP_LOOPCNT, (loops - 1)); else b43_phy_write(dev, B43_NPHY_SAMP_LOOPCNT, loops); b43_phy_write(dev, B43_NPHY_SAMP_WAITCNT, wait); seq_mode = b43_phy_read(dev, B43_NPHY_RFSEQMODE); b43_phy_set(dev, B43_NPHY_RFSEQMODE, B43_NPHY_RFSEQMODE_CAOVER); if (iqmode) { b43_phy_mask(dev, B43_NPHY_IQLOCAL_CMDGCTL, 0x7FFF); b43_phy_set(dev, B43_NPHY_IQLOCAL_CMDGCTL, 0x8000); } else { tmp = dac_test ? 5 : 1; b43_phy_write(dev, B43_NPHY_SAMP_CMD, tmp); } for (i = 0; i < 100; i++) { if (!(b43_phy_read(dev, B43_NPHY_RFSEQST) & 1)) { i = 0; break; } udelay(10); } if (i) b43err(dev->wl, "run samples timeout\n"); b43_phy_write(dev, B43_NPHY_RFSEQMODE, seq_mode); b43_nphy_stay_in_carrier_search(dev, false); } /************************************************** * RSSI **************************************************/ /* https://bcm-v4.sipsolutions.net/802.11/PHY/N/ScaleOffsetRssi */ static void b43_nphy_scale_offset_rssi(struct b43_wldev *dev, u16 scale, s8 offset, u8 core, enum n_rail_type rail, enum n_rssi_type rssi_type) { u16 tmp; bool core1or5 = (core == 1) || (core == 5); bool core2or5 = (core == 2) || (core == 5); offset = clamp_val(offset, -32, 31); tmp = ((scale & 0x3F) << 8) | (offset & 0x3F); switch (rssi_type) { case N_RSSI_NB: if (core1or5 && rail == N_RAIL_I) b43_phy_write(dev, B43_NPHY_RSSIMC_0I_RSSI_Z, tmp); if (core1or5 && rail == N_RAIL_Q) b43_phy_write(dev, B43_NPHY_RSSIMC_0Q_RSSI_Z, tmp); if (core2or5 && rail == N_RAIL_I) b43_phy_write(dev, B43_NPHY_RSSIMC_1I_RSSI_Z, tmp); if (core2or5 && rail == N_RAIL_Q) b43_phy_write(dev, B43_NPHY_RSSIMC_1Q_RSSI_Z, tmp); break; case N_RSSI_W1: if (core1or5 && rail == N_RAIL_I) b43_phy_write(dev, B43_NPHY_RSSIMC_0I_RSSI_X, tmp); if (core1or5 && rail == N_RAIL_Q) b43_phy_write(dev, B43_NPHY_RSSIMC_0Q_RSSI_X, tmp); if (core2or5 && rail == N_RAIL_I) b43_phy_write(dev, B43_NPHY_RSSIMC_1I_RSSI_X, tmp); if (core2or5 && rail == N_RAIL_Q) b43_phy_write(dev, B43_NPHY_RSSIMC_1Q_RSSI_X, tmp); break; case N_RSSI_W2: if (core1or5 && rail == N_RAIL_I) b43_phy_write(dev, B43_NPHY_RSSIMC_0I_RSSI_Y, tmp); if (core1or5 && rail == N_RAIL_Q) b43_phy_write(dev, B43_NPHY_RSSIMC_0Q_RSSI_Y, tmp); if (core2or5 && rail == N_RAIL_I) b43_phy_write(dev, B43_NPHY_RSSIMC_1I_RSSI_Y, tmp); if (core2or5 && rail == N_RAIL_Q) b43_phy_write(dev, B43_NPHY_RSSIMC_1Q_RSSI_Y, tmp); break; case N_RSSI_TBD: if (core1or5 && rail == N_RAIL_I) b43_phy_write(dev, B43_NPHY_RSSIMC_0I_TBD, tmp); if (core1or5 && rail == N_RAIL_Q) b43_phy_write(dev, B43_NPHY_RSSIMC_0Q_TBD, tmp); if (core2or5 && rail == N_RAIL_I) b43_phy_write(dev, B43_NPHY_RSSIMC_1I_TBD, tmp); if (core2or5 && rail == N_RAIL_Q) b43_phy_write(dev, B43_NPHY_RSSIMC_1Q_TBD, tmp); break; case N_RSSI_IQ: if (core1or5 && rail == N_RAIL_I) b43_phy_write(dev, B43_NPHY_RSSIMC_0I_PWRDET, tmp); if (core1or5 && rail == N_RAIL_Q) b43_phy_write(dev, B43_NPHY_RSSIMC_0Q_PWRDET, tmp); if (core2or5 && rail == N_RAIL_I) b43_phy_write(dev, B43_NPHY_RSSIMC_1I_PWRDET, tmp); if (core2or5 && rail == N_RAIL_Q) b43_phy_write(dev, B43_NPHY_RSSIMC_1Q_PWRDET, tmp); break; case N_RSSI_TSSI_2G: if (core1or5) b43_phy_write(dev, B43_NPHY_RSSIMC_0I_TSSI, tmp); if (core2or5) b43_phy_write(dev, B43_NPHY_RSSIMC_1I_TSSI, tmp); break; case N_RSSI_TSSI_5G: if (core1or5) b43_phy_write(dev, B43_NPHY_RSSIMC_0Q_TSSI, tmp); if (core2or5) b43_phy_write(dev, B43_NPHY_RSSIMC_1Q_TSSI, tmp); break; } } static void b43_nphy_rssi_select_rev19(struct b43_wldev *dev, u8 code, enum n_rssi_type rssi_type) { /* TODO */ } static void b43_nphy_rev3_rssi_select(struct b43_wldev *dev, u8 code, enum n_rssi_type rssi_type) { u8 i; u16 reg, val; if (code == 0) { b43_phy_mask(dev, B43_NPHY_AFECTL_OVER1, 0xFDFF); b43_phy_mask(dev, B43_NPHY_AFECTL_OVER, 0xFDFF); b43_phy_mask(dev, B43_NPHY_AFECTL_C1, 0xFCFF); b43_phy_mask(dev, B43_NPHY_AFECTL_C2, 0xFCFF); b43_phy_mask(dev, B43_NPHY_TXF_40CO_B1S0, 0xFFDF); b43_phy_mask(dev, B43_NPHY_TXF_40CO_B32S1, 0xFFDF); b43_phy_mask(dev, B43_NPHY_RFCTL_LUT_TRSW_UP1, 0xFFC3); b43_phy_mask(dev, B43_NPHY_RFCTL_LUT_TRSW_UP2, 0xFFC3); } else { for (i = 0; i < 2; i++) { if ((code == 1 && i == 1) || (code == 2 && !i)) continue; reg = (i == 0) ? B43_NPHY_AFECTL_OVER1 : B43_NPHY_AFECTL_OVER; b43_phy_maskset(dev, reg, 0xFDFF, 0x0200); if (rssi_type == N_RSSI_W1 || rssi_type == N_RSSI_W2 || rssi_type == N_RSSI_NB) { reg = (i == 0) ? B43_NPHY_AFECTL_C1 : B43_NPHY_AFECTL_C2; b43_phy_maskset(dev, reg, 0xFCFF, 0); reg = (i == 0) ? B43_NPHY_RFCTL_LUT_TRSW_UP1 : B43_NPHY_RFCTL_LUT_TRSW_UP2; b43_phy_maskset(dev, reg, 0xFFC3, 0); if (rssi_type == N_RSSI_W1) val = (b43_current_band(dev->wl) == NL80211_BAND_5GHZ) ? 4 : 8; else if (rssi_type == N_RSSI_W2) val = 16; else val = 32; b43_phy_set(dev, reg, val); reg = (i == 0) ? B43_NPHY_TXF_40CO_B1S0 : B43_NPHY_TXF_40CO_B32S1; b43_phy_set(dev, reg, 0x0020); } else { if (rssi_type == N_RSSI_TBD) val = 0x0100; else if (rssi_type == N_RSSI_IQ) val = 0x0200; else val = 0x0300; reg = (i == 0) ? B43_NPHY_AFECTL_C1 : B43_NPHY_AFECTL_C2; b43_phy_maskset(dev, reg, 0xFCFF, val); b43_phy_maskset(dev, reg, 0xF3FF, val << 2); if (rssi_type != N_RSSI_IQ && rssi_type != N_RSSI_TBD) { enum nl80211_band band = b43_current_band(dev->wl); if (dev->phy.rev < 7) { if (b43_nphy_ipa(dev)) val = (band == NL80211_BAND_5GHZ) ? 0xC : 0xE; else val = 0x11; reg = (i == 0) ? B2056_TX0 : B2056_TX1; reg |= B2056_TX_TX_SSI_MUX; b43_radio_write(dev, reg, val); } reg = (i == 0) ? B43_NPHY_AFECTL_OVER1 : B43_NPHY_AFECTL_OVER; b43_phy_set(dev, reg, 0x0200); } } } } } static void b43_nphy_rev2_rssi_select(struct b43_wldev *dev, u8 code, enum n_rssi_type rssi_type) { u16 val; bool rssi_w1_w2_nb = false; switch (rssi_type) { case N_RSSI_W1: case N_RSSI_W2: case N_RSSI_NB: val = 0; rssi_w1_w2_nb = true; break; case N_RSSI_TBD: val = 1; break; case N_RSSI_IQ: val = 2; break; default: val = 3; } val = (val << 12) | (val << 14); b43_phy_maskset(dev, B43_NPHY_AFECTL_C1, 0x0FFF, val); b43_phy_maskset(dev, B43_NPHY_AFECTL_C2, 0x0FFF, val); if (rssi_w1_w2_nb) { b43_phy_maskset(dev, B43_NPHY_RFCTL_RSSIO1, 0xFFCF, (rssi_type + 1) << 4); b43_phy_maskset(dev, B43_NPHY_RFCTL_RSSIO2, 0xFFCF, (rssi_type + 1) << 4); } if (code == 0) { b43_phy_mask(dev, B43_NPHY_AFECTL_OVER, ~0x3000); if (rssi_w1_w2_nb) { b43_phy_mask(dev, B43_NPHY_RFCTL_CMD, ~(B43_NPHY_RFCTL_CMD_RXEN | B43_NPHY_RFCTL_CMD_CORESEL)); b43_phy_mask(dev, B43_NPHY_RFCTL_OVER, ~(0x1 << 12 | 0x1 << 5 | 0x1 << 1 | 0x1)); b43_phy_mask(dev, B43_NPHY_RFCTL_CMD, ~B43_NPHY_RFCTL_CMD_START); udelay(20); b43_phy_mask(dev, B43_NPHY_RFCTL_OVER, ~0x1); } } else { b43_phy_set(dev, B43_NPHY_AFECTL_OVER, 0x3000); if (rssi_w1_w2_nb) { b43_phy_maskset(dev, B43_NPHY_RFCTL_CMD, ~(B43_NPHY_RFCTL_CMD_RXEN | B43_NPHY_RFCTL_CMD_CORESEL), (B43_NPHY_RFCTL_CMD_RXEN | code << B43_NPHY_RFCTL_CMD_CORESEL_SHIFT)); b43_phy_set(dev, B43_NPHY_RFCTL_OVER, (0x1 << 12 | 0x1 << 5 | 0x1 << 1 | 0x1)); b43_phy_set(dev, B43_NPHY_RFCTL_CMD, B43_NPHY_RFCTL_CMD_START); udelay(20); b43_phy_mask(dev, B43_NPHY_RFCTL_OVER, ~0x1); } } } /* https://bcm-v4.sipsolutions.net/802.11/PHY/N/RSSISel */ static void b43_nphy_rssi_select(struct b43_wldev *dev, u8 code, enum n_rssi_type type) { if (dev->phy.rev >= 19) b43_nphy_rssi_select_rev19(dev, code, type); else if (dev->phy.rev >= 3) b43_nphy_rev3_rssi_select(dev, code, type); else b43_nphy_rev2_rssi_select(dev, code, type); } /* https://bcm-v4.sipsolutions.net/802.11/PHY/N/SetRssi2055Vcm */ static void b43_nphy_set_rssi_2055_vcm(struct b43_wldev *dev, enum n_rssi_type rssi_type, u8 *buf) { int i; for (i = 0; i < 2; i++) { if (rssi_type == N_RSSI_NB) { if (i == 0) { b43_radio_maskset(dev, B2055_C1_B0NB_RSSIVCM, 0xFC, buf[0]); b43_radio_maskset(dev, B2055_C1_RX_BB_RSSICTL5, 0xFC, buf[1]); } else { b43_radio_maskset(dev, B2055_C2_B0NB_RSSIVCM, 0xFC, buf[2 * i]); b43_radio_maskset(dev, B2055_C2_RX_BB_RSSICTL5, 0xFC, buf[2 * i + 1]); } } else { if (i == 0) b43_radio_maskset(dev, B2055_C1_RX_BB_RSSICTL5, 0xF3, buf[0] << 2); else b43_radio_maskset(dev, B2055_C2_RX_BB_RSSICTL5, 0xF3, buf[2 * i + 1] << 2); } } } /* https://bcm-v4.sipsolutions.net/802.11/PHY/N/PollRssi */ static int b43_nphy_poll_rssi(struct b43_wldev *dev, enum n_rssi_type rssi_type, s32 *buf, u8 nsamp) { int i; int out; u16 save_regs_phy[9]; u16 s[2]; /* TODO: rev7+ is treated like rev3+, what about rev19+? */ if (dev->phy.rev >= 3) { save_regs_phy[0] = b43_phy_read(dev, B43_NPHY_AFECTL_C1); save_regs_phy[1] = b43_phy_read(dev, B43_NPHY_AFECTL_C2); save_regs_phy[2] = b43_phy_read(dev, B43_NPHY_RFCTL_LUT_TRSW_UP1); save_regs_phy[3] = b43_phy_read(dev, B43_NPHY_RFCTL_LUT_TRSW_UP2); save_regs_phy[4] = b43_phy_read(dev, B43_NPHY_AFECTL_OVER1); save_regs_phy[5] = b43_phy_read(dev, B43_NPHY_AFECTL_OVER); save_regs_phy[6] = b43_phy_read(dev, B43_NPHY_TXF_40CO_B1S0); save_regs_phy[7] = b43_phy_read(dev, B43_NPHY_TXF_40CO_B32S1); save_regs_phy[8] = 0; } else { save_regs_phy[0] = b43_phy_read(dev, B43_NPHY_AFECTL_C1); save_regs_phy[1] = b43_phy_read(dev, B43_NPHY_AFECTL_C2); save_regs_phy[2] = b43_phy_read(dev, B43_NPHY_AFECTL_OVER); save_regs_phy[3] = b43_phy_read(dev, B43_NPHY_RFCTL_CMD); save_regs_phy[4] = b43_phy_read(dev, B43_NPHY_RFCTL_OVER); save_regs_phy[5] = b43_phy_read(dev, B43_NPHY_RFCTL_RSSIO1); save_regs_phy[6] = b43_phy_read(dev, B43_NPHY_RFCTL_RSSIO2); save_regs_phy[7] = 0; save_regs_phy[8] = 0; } b43_nphy_rssi_select(dev, 5, rssi_type); if (dev->phy.rev < 2) { save_regs_phy[8] = b43_phy_read(dev, B43_NPHY_GPIO_SEL); b43_phy_write(dev, B43_NPHY_GPIO_SEL, 5); } for (i = 0; i < 4; i++) buf[i] = 0; for (i = 0; i < nsamp; i++) { if (dev->phy.rev < 2) { s[0] = b43_phy_read(dev, B43_NPHY_GPIO_LOOUT); s[1] = b43_phy_read(dev, B43_NPHY_GPIO_HIOUT); } else { s[0] = b43_phy_read(dev, B43_NPHY_RSSI1); s[1] = b43_phy_read(dev, B43_NPHY_RSSI2); } buf[0] += ((s8)((s[0] & 0x3F) << 2)) >> 2; buf[1] += ((s8)(((s[0] >> 8) & 0x3F) << 2)) >> 2; buf[2] += ((s8)((s[1] & 0x3F) << 2)) >> 2; buf[3] += ((s8)(((s[1] >> 8) & 0x3F) << 2)) >> 2; } out = (buf[0] & 0xFF) << 24 | (buf[1] & 0xFF) << 16 | (buf[2] & 0xFF) << 8 | (buf[3] & 0xFF); if (dev->phy.rev < 2) b43_phy_write(dev, B43_NPHY_GPIO_SEL, save_regs_phy[8]); if (dev->phy.rev >= 3) { b43_phy_write(dev, B43_NPHY_AFECTL_C1, save_regs_phy[0]); b43_phy_write(dev, B43_NPHY_AFECTL_C2, save_regs_phy[1]); b43_phy_write(dev, B43_NPHY_RFCTL_LUT_TRSW_UP1, save_regs_phy[2]); b43_phy_write(dev, B43_NPHY_RFCTL_LUT_TRSW_UP2, save_regs_phy[3]); b43_phy_write(dev, B43_NPHY_AFECTL_OVER1, save_regs_phy[4]); b43_phy_write(dev, B43_NPHY_AFECTL_OVER, save_regs_phy[5]); b43_phy_write(dev, B43_NPHY_TXF_40CO_B1S0, save_regs_phy[6]); b43_phy_write(dev, B43_NPHY_TXF_40CO_B32S1, save_regs_phy[7]); } else { b43_phy_write(dev, B43_NPHY_AFECTL_C1, save_regs_phy[0]); b43_phy_write(dev, B43_NPHY_AFECTL_C2, save_regs_phy[1]); b43_phy_write(dev, B43_NPHY_AFECTL_OVER, save_regs_phy[2]); b43_phy_write(dev, B43_NPHY_RFCTL_CMD, save_regs_phy[3]); b43_phy_write(dev, B43_NPHY_RFCTL_OVER, save_regs_phy[4]); b43_phy_write(dev, B43_NPHY_RFCTL_RSSIO1, save_regs_phy[5]); b43_phy_write(dev, B43_NPHY_RFCTL_RSSIO2, save_regs_phy[6]); } return out; } /* https://bcm-v4.sipsolutions.net/802.11/PHY/N/RSSICalRev3 */ static void b43_nphy_rev3_rssi_cal(struct b43_wldev *dev) { struct b43_phy *phy = &dev->phy; struct b43_phy_n *nphy = dev->phy.n; u16 saved_regs_phy_rfctl[2]; u16 saved_regs_phy[22]; u16 regs_to_store_rev3[] = { B43_NPHY_AFECTL_OVER1, B43_NPHY_AFECTL_OVER, B43_NPHY_AFECTL_C1, B43_NPHY_AFECTL_C2, B43_NPHY_TXF_40CO_B1S1, B43_NPHY_RFCTL_OVER, B43_NPHY_TXF_40CO_B1S0, B43_NPHY_TXF_40CO_B32S1, B43_NPHY_RFCTL_CMD, B43_NPHY_RFCTL_LUT_TRSW_UP1, B43_NPHY_RFCTL_LUT_TRSW_UP2, B43_NPHY_RFCTL_RSSIO1, B43_NPHY_RFCTL_RSSIO2 }; u16 regs_to_store_rev7[] = { B43_NPHY_AFECTL_OVER1, B43_NPHY_AFECTL_OVER, B43_NPHY_AFECTL_C1, B43_NPHY_AFECTL_C2, B43_NPHY_TXF_40CO_B1S1, B43_NPHY_RFCTL_OVER, B43_NPHY_REV7_RF_CTL_OVER3, B43_NPHY_REV7_RF_CTL_OVER4, B43_NPHY_REV7_RF_CTL_OVER5, B43_NPHY_REV7_RF_CTL_OVER6, 0x2ff, B43_NPHY_TXF_40CO_B1S0, B43_NPHY_TXF_40CO_B32S1, B43_NPHY_RFCTL_CMD, B43_NPHY_RFCTL_LUT_TRSW_UP1, B43_NPHY_RFCTL_LUT_TRSW_UP2, B43_NPHY_REV7_RF_CTL_MISC_REG3, B43_NPHY_REV7_RF_CTL_MISC_REG4, B43_NPHY_REV7_RF_CTL_MISC_REG5, B43_NPHY_REV7_RF_CTL_MISC_REG6, B43_NPHY_RFCTL_RSSIO1, B43_NPHY_RFCTL_RSSIO2 }; u16 *regs_to_store; int regs_amount; u16 class; u16 clip_state[2]; u16 clip_off[2] = { 0xFFFF, 0xFFFF }; u8 vcm_final = 0; s32 offset[4]; s32 results[8][4] = { }; s32 results_min[4] = { }; s32 poll_results[4] = { }; u16 *rssical_radio_regs = NULL; u16 *rssical_phy_regs = NULL; u16 r; /* routing */ u8 rx_core_state; int core, i, j, vcm; if (dev->phy.rev >= 7) { regs_to_store = regs_to_store_rev7; regs_amount = ARRAY_SIZE(regs_to_store_rev7); } else { regs_to_store = regs_to_store_rev3; regs_amount = ARRAY_SIZE(regs_to_store_rev3); } BUG_ON(regs_amount > ARRAY_SIZE(saved_regs_phy)); class = b43_nphy_classifier(dev, 0, 0); b43_nphy_classifier(dev, 7, 4); b43_nphy_read_clip_detection(dev, clip_state); b43_nphy_write_clip_detection(dev, clip_off); saved_regs_phy_rfctl[0] = b43_phy_read(dev, B43_NPHY_RFCTL_INTC1); saved_regs_phy_rfctl[1] = b43_phy_read(dev, B43_NPHY_RFCTL_INTC2); for (i = 0; i < regs_amount; i++) saved_regs_phy[i] = b43_phy_read(dev, regs_to_store[i]); b43_nphy_rf_ctl_intc_override(dev, N_INTC_OVERRIDE_OFF, 0, 7); b43_nphy_rf_ctl_intc_override(dev, N_INTC_OVERRIDE_TRSW, 1, 7); if (dev->phy.rev >= 7) { b43_nphy_rf_ctl_override_one_to_many(dev, N_RF_CTL_OVER_CMD_RXRF_PU, 0, 0, false); b43_nphy_rf_ctl_override_one_to_many(dev, N_RF_CTL_OVER_CMD_RX_PU, 1, 0, false); b43_nphy_rf_ctl_override_rev7(dev, 0x80, 1, 0, false, 0); b43_nphy_rf_ctl_override_rev7(dev, 0x40, 1, 0, false, 0); if (b43_current_band(dev->wl) == NL80211_BAND_5GHZ) { b43_nphy_rf_ctl_override_rev7(dev, 0x20, 0, 0, false, 0); b43_nphy_rf_ctl_override_rev7(dev, 0x10, 1, 0, false, 0); } else { b43_nphy_rf_ctl_override_rev7(dev, 0x10, 0, 0, false, 0); b43_nphy_rf_ctl_override_rev7(dev, 0x20, 1, 0, false, 0); } } else { b43_nphy_rf_ctl_override(dev, 0x1, 0, 0, false); b43_nphy_rf_ctl_override(dev, 0x2, 1, 0, false); b43_nphy_rf_ctl_override(dev, 0x80, 1, 0, false); b43_nphy_rf_ctl_override(dev, 0x40, 1, 0, false); if (b43_current_band(dev->wl) == NL80211_BAND_5GHZ) { b43_nphy_rf_ctl_override(dev, 0x20, 0, 0, false); b43_nphy_rf_ctl_override(dev, 0x10, 1, 0, false); } else { b43_nphy_rf_ctl_override(dev, 0x10, 0, 0, false); b43_nphy_rf_ctl_override(dev, 0x20, 1, 0, false); } } rx_core_state = b43_nphy_get_rx_core_state(dev); for (core = 0; core < 2; core++) { if (!(rx_core_state & (1 << core))) continue; r = core ? B2056_RX1 : B2056_RX0; b43_nphy_scale_offset_rssi(dev, 0, 0, core + 1, N_RAIL_I, N_RSSI_NB); b43_nphy_scale_offset_rssi(dev, 0, 0, core + 1, N_RAIL_Q, N_RSSI_NB); /* Grab RSSI results for every possible VCM */ for (vcm = 0; vcm < 8; vcm++) { if (dev->phy.rev >= 7) b43_radio_maskset(dev, core ? R2057_NB_MASTER_CORE1 : R2057_NB_MASTER_CORE0, ~R2057_VCM_MASK, vcm); else b43_radio_maskset(dev, r | B2056_RX_RSSI_MISC, 0xE3, vcm << 2); b43_nphy_poll_rssi(dev, N_RSSI_NB, results[vcm], 8); } /* Find out which VCM got the best results */ for (i = 0; i < 4; i += 2) { s32 currd; s32 mind = 0x100000; s32 minpoll = 249; u8 minvcm = 0; if (2 * core != i) continue; for (vcm = 0; vcm < 8; vcm++) { currd = results[vcm][i] * results[vcm][i] + results[vcm][i + 1] * results[vcm][i]; if (currd < mind) { mind = currd; minvcm = vcm; } if (results[vcm][i] < minpoll) minpoll = results[vcm][i]; } vcm_final = minvcm; results_min[i] = minpoll; } /* Select the best VCM */ if (dev->phy.rev >= 7) b43_radio_maskset(dev, core ? R2057_NB_MASTER_CORE1 : R2057_NB_MASTER_CORE0, ~R2057_VCM_MASK, vcm); else b43_radio_maskset(dev, r | B2056_RX_RSSI_MISC, 0xE3, vcm_final << 2); for (i = 0; i < 4; i++) { if (core != i / 2) continue; offset[i] = -results[vcm_final][i]; if (offset[i] < 0) offset[i] = -((abs(offset[i]) + 4) / 8); else offset[i] = (offset[i] + 4) / 8; if (results_min[i] == 248) offset[i] = -32; b43_nphy_scale_offset_rssi(dev, 0, offset[i], (i / 2 == 0) ? 1 : 2, (i % 2 == 0) ? N_RAIL_I : N_RAIL_Q, N_RSSI_NB); } } for (core = 0; core < 2; core++) { if (!(rx_core_state & (1 << core))) continue; for (i = 0; i < 2; i++) { b43_nphy_scale_offset_rssi(dev, 0, 0, core + 1, N_RAIL_I, i); b43_nphy_scale_offset_rssi(dev, 0, 0, core + 1, N_RAIL_Q, i); b43_nphy_poll_rssi(dev, i, poll_results, 8); for (j = 0; j < 4; j++) { if (j / 2 == core) { offset[j] = 232 - poll_results[j]; if (offset[j] < 0) offset[j] = -(abs(offset[j] + 4) / 8); else offset[j] = (offset[j] + 4) / 8; b43_nphy_scale_offset_rssi(dev, 0, offset[2 * core], core + 1, j % 2, i); } } } } b43_phy_write(dev, B43_NPHY_RFCTL_INTC1, saved_regs_phy_rfctl[0]); b43_phy_write(dev, B43_NPHY_RFCTL_INTC2, saved_regs_phy_rfctl[1]); b43_nphy_force_rf_sequence(dev, B43_RFSEQ_RESET2RX); b43_phy_set(dev, B43_NPHY_TXF_40CO_B1S1, 0x1); b43_phy_set(dev, B43_NPHY_RFCTL_CMD, B43_NPHY_RFCTL_CMD_START); b43_phy_mask(dev, B43_NPHY_TXF_40CO_B1S1, ~0x1); b43_phy_set(dev, B43_NPHY_RFCTL_OVER, 0x1); b43_phy_set(dev, B43_NPHY_RFCTL_CMD, B43_NPHY_RFCTL_CMD_RXTX); b43_phy_mask(dev, B43_NPHY_RFCTL_OVER, ~0x1); for (i = 0; i < regs_amount; i++) b43_phy_write(dev, regs_to_store[i], saved_regs_phy[i]); /* Store for future configuration */ if (b43_current_band(dev->wl) == NL80211_BAND_2GHZ) { rssical_radio_regs = nphy->rssical_cache.rssical_radio_regs_2G; rssical_phy_regs = nphy->rssical_cache.rssical_phy_regs_2G; } else { rssical_radio_regs = nphy->rssical_cache.rssical_radio_regs_5G; rssical_phy_regs = nphy->rssical_cache.rssical_phy_regs_5G; } if (dev->phy.rev >= 7) { rssical_radio_regs[0] = b43_radio_read(dev, R2057_NB_MASTER_CORE0); rssical_radio_regs[1] = b43_radio_read(dev, R2057_NB_MASTER_CORE1); } else { rssical_radio_regs[0] = b43_radio_read(dev, B2056_RX0 | B2056_RX_RSSI_MISC); rssical_radio_regs[1] = b43_radio_read(dev, B2056_RX1 | B2056_RX_RSSI_MISC); } rssical_phy_regs[0] = b43_phy_read(dev, B43_NPHY_RSSIMC_0I_RSSI_Z); rssical_phy_regs[1] = b43_phy_read(dev, B43_NPHY_RSSIMC_0Q_RSSI_Z); rssical_phy_regs[2] = b43_phy_read(dev, B43_NPHY_RSSIMC_1I_RSSI_Z); rssical_phy_regs[3] = b43_phy_read(dev, B43_NPHY_RSSIMC_1Q_RSSI_Z); rssical_phy_regs[4] = b43_phy_read(dev, B43_NPHY_RSSIMC_0I_RSSI_X); rssical_phy_regs[5] = b43_phy_read(dev, B43_NPHY_RSSIMC_0Q_RSSI_X); rssical_phy_regs[6] = b43_phy_read(dev, B43_NPHY_RSSIMC_1I_RSSI_X); rssical_phy_regs[7] = b43_phy_read(dev, B43_NPHY_RSSIMC_1Q_RSSI_X); rssical_phy_regs[8] = b43_phy_read(dev, B43_NPHY_RSSIMC_0I_RSSI_Y); rssical_phy_regs[9] = b43_phy_read(dev, B43_NPHY_RSSIMC_0Q_RSSI_Y); rssical_phy_regs[10] = b43_phy_read(dev, B43_NPHY_RSSIMC_1I_RSSI_Y); rssical_phy_regs[11] = b43_phy_read(dev, B43_NPHY_RSSIMC_1Q_RSSI_Y); /* Remember for which channel we store configuration */ if (b43_current_band(dev->wl) == NL80211_BAND_2GHZ) nphy->rssical_chanspec_2G.center_freq = phy->chandef->chan->center_freq; else nphy->rssical_chanspec_5G.center_freq = phy->chandef->chan->center_freq; /* End of calibration, restore configuration */ b43_nphy_classifier(dev, 7, class); b43_nphy_write_clip_detection(dev, clip_state); } /* https://bcm-v4.sipsolutions.net/802.11/PHY/N/RSSICal */ static void b43_nphy_rev2_rssi_cal(struct b43_wldev *dev, enum n_rssi_type type) { int i, j, vcm; u8 state[4]; u8 code, val; u16 class, override; u8 regs_save_radio[2]; u16 regs_save_phy[2]; s32 offset[4]; u8 core; u8 rail; u16 clip_state[2]; u16 clip_off[2] = { 0xFFFF, 0xFFFF }; s32 results_min[4] = { }; u8 vcm_final[4] = { }; s32 results[4][4] = { }; s32 miniq[4][2] = { }; if (type == N_RSSI_NB) { code = 0; val = 6; } else if (type == N_RSSI_W1 || type == N_RSSI_W2) { code = 25; val = 4; } else { B43_WARN_ON(1); return; } class = b43_nphy_classifier(dev, 0, 0); b43_nphy_classifier(dev, 7, 4); b43_nphy_read_clip_detection(dev, clip_state); b43_nphy_write_clip_detection(dev, clip_off); if (b43_current_band(dev->wl) == NL80211_BAND_5GHZ) override = 0x140; else override = 0x110; regs_save_phy[0] = b43_phy_read(dev, B43_NPHY_RFCTL_INTC1); regs_save_radio[0] = b43_radio_read(dev, B2055_C1_PD_RXTX); b43_phy_write(dev, B43_NPHY_RFCTL_INTC1, override); b43_radio_write(dev, B2055_C1_PD_RXTX, val); regs_save_phy[1] = b43_phy_read(dev, B43_NPHY_RFCTL_INTC2); regs_save_radio[1] = b43_radio_read(dev, B2055_C2_PD_RXTX); b43_phy_write(dev, B43_NPHY_RFCTL_INTC2, override); b43_radio_write(dev, B2055_C2_PD_RXTX, val); state[0] = b43_radio_read(dev, B2055_C1_PD_RSSIMISC) & 0x07; state[1] = b43_radio_read(dev, B2055_C2_PD_RSSIMISC) & 0x07; b43_radio_mask(dev, B2055_C1_PD_RSSIMISC, 0xF8); b43_radio_mask(dev, B2055_C2_PD_RSSIMISC, 0xF8); state[2] = b43_radio_read(dev, B2055_C1_SP_RSSI) & 0x07; state[3] = b43_radio_read(dev, B2055_C2_SP_RSSI) & 0x07; b43_nphy_rssi_select(dev, 5, type); b43_nphy_scale_offset_rssi(dev, 0, 0, 5, N_RAIL_I, type); b43_nphy_scale_offset_rssi(dev, 0, 0, 5, N_RAIL_Q, type); for (vcm = 0; vcm < 4; vcm++) { u8 tmp[4]; for (j = 0; j < 4; j++) tmp[j] = vcm; if (type != N_RSSI_W2) b43_nphy_set_rssi_2055_vcm(dev, type, tmp); b43_nphy_poll_rssi(dev, type, results[vcm], 8); if (type == N_RSSI_W1 || type == N_RSSI_W2) for (j = 0; j < 2; j++) miniq[vcm][j] = min(results[vcm][2 * j], results[vcm][2 * j + 1]); } for (i = 0; i < 4; i++) { s32 mind = 0x100000; u8 minvcm = 0; s32 minpoll = 249; s32 currd; for (vcm = 0; vcm < 4; vcm++) { if (type == N_RSSI_NB) currd = abs(results[vcm][i] - code * 8); else currd = abs(miniq[vcm][i / 2] - code * 8); if (currd < mind) { mind = currd; minvcm = vcm; } if (results[vcm][i] < minpoll) minpoll = results[vcm][i]; } results_min[i] = minpoll; vcm_final[i] = minvcm; } if (type != N_RSSI_W2) b43_nphy_set_rssi_2055_vcm(dev, type, vcm_final); for (i = 0; i < 4; i++) { offset[i] = (code * 8) - results[vcm_final[i]][i]; if (offset[i] < 0) offset[i] = -((abs(offset[i]) + 4) / 8); else offset[i] = (offset[i] + 4) / 8; if (results_min[i] == 248) offset[i] = code - 32; core = (i / 2) ? 2 : 1; rail = (i % 2) ? N_RAIL_Q : N_RAIL_I; b43_nphy_scale_offset_rssi(dev, 0, offset[i], core, rail, type); } b43_radio_maskset(dev, B2055_C1_PD_RSSIMISC, 0xF8, state[0]); b43_radio_maskset(dev, B2055_C2_PD_RSSIMISC, 0xF8, state[1]); switch (state[2]) { case 1: b43_nphy_rssi_select(dev, 1, N_RSSI_NB); break; case 4: b43_nphy_rssi_select(dev, 1, N_RSSI_W1); break; case 2: b43_nphy_rssi_select(dev, 1, N_RSSI_W2); break; default: b43_nphy_rssi_select(dev, 1, N_RSSI_W2); break; } switch (state[3]) { case 1: b43_nphy_rssi_select(dev, 2, N_RSSI_NB); break; case 4: b43_nphy_rssi_select(dev, 2, N_RSSI_W1); break; default: b43_nphy_rssi_select(dev, 2, N_RSSI_W2); break; } b43_nphy_rssi_select(dev, 0, type); b43_phy_write(dev, B43_NPHY_RFCTL_INTC1, regs_save_phy[0]); b43_radio_write(dev, B2055_C1_PD_RXTX, regs_save_radio[0]); b43_phy_write(dev, B43_NPHY_RFCTL_INTC2, regs_save_phy[1]); b43_radio_write(dev, B2055_C2_PD_RXTX, regs_save_radio[1]); b43_nphy_classifier(dev, 7, class); b43_nphy_write_clip_detection(dev, clip_state); /* Specs don't say about reset here, but it makes wl and b43 dumps identical, it really seems wl performs this */ b43_nphy_reset_cca(dev); } /* * RSSI Calibration * https://bcm-v4.sipsolutions.net/802.11/PHY/N/RSSICal */ static void b43_nphy_rssi_cal(struct b43_wldev *dev) { if (dev->phy.rev >= 19) { /* TODO */ } else if (dev->phy.rev >= 3) { b43_nphy_rev3_rssi_cal(dev); } else { b43_nphy_rev2_rssi_cal(dev, N_RSSI_NB); b43_nphy_rev2_rssi_cal(dev, N_RSSI_W1); b43_nphy_rev2_rssi_cal(dev, N_RSSI_W2); } } /************************************************** * Workarounds **************************************************/ static void b43_nphy_gain_ctl_workarounds_rev19(struct b43_wldev *dev) { /* TODO */ } static void b43_nphy_gain_ctl_workarounds_rev7(struct b43_wldev *dev) { /* TODO - should depend on phy->rev */ } static void b43_nphy_gain_ctl_workarounds_rev3(struct b43_wldev *dev) { struct ssb_sprom *sprom = dev->dev->bus_sprom; 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 }; /* Prepare values */ ghz5 = b43_phy_read(dev, B43_NPHY_BANDCTL) & B43_NPHY_BANDCTL_5GHZ; ext_lna = ghz5 ? sprom->boardflags_hi & B43_BFH_EXTLNA_5GHZ : 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_REV3_C1_INITGAIN_A, e->init_gain); b43_phy_write(dev, B43_NPHY_REV3_C2_INITGAIN_A, e->init_gain); b43_ntab_write_bulk(dev, B43_NTAB16(7, 0x106), 2, e->rfseq_init); b43_phy_write(dev, B43_NPHY_REV3_C1_CLIP_HIGAIN_A, e->cliphi_gain); b43_phy_write(dev, B43_NPHY_REV3_C2_CLIP_HIGAIN_A, e->cliphi_gain); b43_phy_write(dev, B43_NPHY_REV3_C1_CLIP_MEDGAIN_A, e->clipmd_gain); b43_phy_write(dev, B43_NPHY_REV3_C2_CLIP_MEDGAIN_A, e->clipmd_gain); b43_phy_write(dev, B43_NPHY_REV3_C1_CLIP_LOGAIN_A, e->cliplo_gain); b43_phy_write(dev, B43_NPHY_REV3_C2_CLIP_LOGAIN_A, e->cliplo_gain); b43_phy_maskset(dev, B43_NPHY_CRSMINPOWER0, 0xFF00, e->crsmin); b43_phy_maskset(dev, B43_NPHY_CRSMINPOWERL0, 0xFF00, e->crsminl); b43_phy_maskset(dev, B43_NPHY_CRSMINPOWERU0, 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); } static void b43_nphy_gain_ctl_workarounds_rev1_2(struct b43_wldev *dev) { struct b43_phy_n *nphy = dev->phy.n; u8 i, j; u8 code; u16 tmp; u8 rfseq_events[3] = { 6, 8, 7 }; u8 rfseq_delays[3] = { 10, 30, 1 }; /* 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); /* Set narrowband clip threshold */ b43_phy_write(dev, B43_NPHY_C1_NBCLIPTHRES, 0x84); b43_phy_write(dev, B43_NPHY_C2_NBCLIPTHRES, 0x84); if (!b43_is_40mhz(dev)) { /* Set dwell lengths */ b43_phy_write(dev, B43_NPHY_CLIP1_NBDWELL_LEN, 0x002B); b43_phy_write(dev, B43_NPHY_CLIP2_NBDWELL_LEN, 0x002B); b43_phy_write(dev, B43_NPHY_W1CLIP1_DWELL_LEN, 0x0009); b43_phy_write(dev, B43_NPHY_W1CLIP2_DWELL_LEN, 0x0009); } /* Set wideband clip 2 threshold */ b43_phy_maskset(dev, B43_NPHY_C1_CLIPWBTHRES, ~B43_NPHY_C1_CLIPWBTHRES_CLIP2, 21); b43_phy_maskset(dev, B43_NPHY_C2_CLIPWBTHRES, ~B43_NPHY_C2_CLIPWBTHRES_CLIP2, 21); if (!b43_is_40mhz(dev)) { b43_phy_maskset(dev, B43_NPHY_C1_CGAINI, ~B43_NPHY_C1_CGAINI_GAINBKOFF, 0x1); b43_phy_maskset(dev, B43_NPHY_C2_CGAINI, ~B43_NPHY_C2_CGAINI_GAINBKOFF, 0x1); b43_phy_maskset(dev, B43_NPHY_C1_CCK_CGAINI, ~B43_NPHY_C1_CCK_CGAINI_GAINBKOFF, 0x1); b43_phy_maskset(dev, B43_NPHY_C2_CCK_CGAINI, ~B43_NPHY_C2_CCK_CGAINI_GAINBKOFF, 0x1); } b43_phy_write(dev, B43_NPHY_CCK_SHIFTB_REF, 0x809C); if (nphy->gain_boost) { if (b43_current_band(dev->wl) == NL80211_BAND_2GHZ && b43_is_40mhz(dev)) code = 4; else code = 5; } else { code = b43_is_40mhz(dev) ? 6 : 7; } /* Set HPVGA2 index */ b43_phy_maskset(dev, B43_NPHY_C1_INITGAIN, ~B43_NPHY_C1_INITGAIN_HPVGA2, code << B43_NPHY_C1_INITGAIN_HPVGA2_SHIFT); b43_phy_maskset(dev, B43_NPHY_C2_INITGAIN, ~B43_NPHY_C2_INITGAIN_HPVGA2, code << B43_NPHY_C2_INITGAIN_HPVGA2_SHIFT); b43_phy_write(dev, B43_NPHY_TABLE_ADDR, 0x1D06); /* specs say about 2 loops, but wl does 4 */ for (i = 0; i < 4; i++) b43_phy_write(dev, B43_NPHY_TABLE_DATALO, (code << 8 | 0x7C)); b43_nphy_adjust_lna_gain_table(dev); if (nphy->elna_gain_config) { b43_phy_write(dev, B43_NPHY_TABLE_ADDR, 0x0808); b43_phy_write(dev, B43_NPHY_TABLE_DATALO, 0x0); b43_phy_write(dev, B43_NPHY_TABLE_DATALO, 0x1); b43_phy_write(dev, B43_NPHY_TABLE_DATALO, 0x1); b43_phy_write(dev, B43_NPHY_TABLE_DATALO, 0x1); b43_phy_write(dev, B43_NPHY_TABLE_ADDR, 0x0C08); b43_phy_write(dev, B43_NPHY_TABLE_DATALO, 0x0); b43_phy_write(dev, B43_NPHY_TABLE_DATALO, 0x1); b43_phy_write(dev, B43_NPHY_TABLE_DATALO, 0x1); b43_phy_write(dev, B43_NPHY_TABLE_DATALO, 0x1); b43_phy_write(dev, B43_NPHY_TABLE_ADDR, 0x1D06); /* specs say about 2 loops, but wl does 4 */ for (i = 0; i < 4; i++) b43_phy_write(dev, B43_NPHY_TABLE_DATALO, (code << 8 | 0x74)); } if (dev->phy.rev == 2) { for (i = 0; i < 4; i++) { b43_phy_write(dev, B43_NPHY_TABLE_ADDR, (0x0400 * i) + 0x0020); for (j = 0; j < 21; j++) { tmp = j * (i < 2 ? 3 : 1); b43_phy_write(dev, B43_NPHY_TABLE_DATALO, tmp); } } } b43_nphy_set_rf_sequence(dev, 5, rfseq_events, rfseq_delays, 3); b43_phy_maskset(dev, B43_NPHY_OVER_DGAIN1, ~B43_NPHY_OVER_DGAIN_CCKDGECV & 0xFFFF, 0x5A << B43_NPHY_OVER_DGAIN_CCKDGECV_SHIFT); if (b43_current_band(dev->wl) == NL80211_BAND_2GHZ) b43_phy_maskset(dev, B43_PHY_N(0xC5D), 0xFF80, 4); } /* https://bcm-v4.sipsolutions.net/802.11/PHY/N/WorkaroundsGainCtrl */ static void b43_nphy_gain_ctl_workarounds(struct b43_wldev *dev) { if (dev->phy.rev >= 19) b43_nphy_gain_ctl_workarounds_rev19(dev); else if (dev->phy.rev >= 7) b43_nphy_gain_ctl_workarounds_rev7(dev); else if (dev->phy.rev >= 3) b43_nphy_gain_ctl_workarounds_rev3(dev); else b43_nphy_gain_ctl_workarounds_rev1_2(dev); } static void b43_nphy_workarounds_rev7plus(struct b43_wldev *dev) { struct ssb_sprom *sprom = dev->dev->bus_sprom; struct b43_phy *phy = &dev->phy; /* TX to RX */ u8 tx2rx_events[7] = { 4, 3, 5, 2, 1, 8, 31, }; u8 tx2rx_delays[7] = { 8, 4, 4, 4, 4, 6, 1, }; /* RX to TX */ u8 rx2tx_events_ipa[9] = { 0x0, 0x1, 0x2, 0x8, 0x5, 0x6, 0xF, 0x3, 0x1F }; u8 rx2tx_delays_ipa[9] = { 8, 6, 6, 4, 4, 16, 43, 1, 1 }; static const u16 ntab7_15e_16e[] = { 0, 0x10f, 0x10f }; u8 ntab7_138_146[] = { 0x11, 0x11 }; u8 ntab7_133[] = { 0x77, 0x11, 0x11 }; u16 lpf_ofdm_20mhz[2], lpf_ofdm_40mhz[2], lpf_11b[2]; u16 bcap_val; s16 bcap_val_11b[2], bcap_val_11n_20[2], bcap_val_11n_40[2]; u16 scap_val; s16 scap_val_11b[2], scap_val_11n_20[2], scap_val_11n_40[2]; bool rccal_ovrd = false; u16 bias, conv, filt; u32 noise_tbl[2]; u32 tmp32; u8 core; 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); if (phy->rev == 7) { b43_phy_set(dev, B43_NPHY_FINERX2_CGC, 0x10); b43_phy_maskset(dev, B43_NPHY_FREQGAIN0, 0xFF80, 0x0020); b43_phy_maskset(dev, B43_NPHY_FREQGAIN0, 0x80FF, 0x2700); b43_phy_maskset(dev, B43_NPHY_FREQGAIN1, 0xFF80, 0x002E); b43_phy_maskset(dev, B43_NPHY_FREQGAIN1, 0x80FF, 0x3300); b43_phy_maskset(dev, B43_NPHY_FREQGAIN2, 0xFF80, 0x0037); b43_phy_maskset(dev, B43_NPHY_FREQGAIN2, 0x80FF, 0x3A00); b43_phy_maskset(dev, B43_NPHY_FREQGAIN3, 0xFF80, 0x003C); b43_phy_maskset(dev, B43_NPHY_FREQGAIN3, 0x80FF, 0x3E00); b43_phy_maskset(dev, B43_NPHY_FREQGAIN4, 0xFF80, 0x003E); b43_phy_maskset(dev, B43_NPHY_FREQGAIN4, 0x80FF, 0x3F00); b43_phy_maskset(dev, B43_NPHY_FREQGAIN5, 0xFF80, 0x0040); b43_phy_maskset(dev, B43_NPHY_FREQGAIN5, 0x80FF, 0x4000); b43_phy_maskset(dev, B43_NPHY_FREQGAIN6, 0xFF80, 0x0040); b43_phy_maskset(dev, B43_NPHY_FREQGAIN6, 0x80FF, 0x4000); b43_phy_maskset(dev, B43_NPHY_FREQGAIN7, 0xFF80, 0x0040); b43_phy_maskset(dev, B43_NPHY_FREQGAIN7, 0x80FF, 0x4000); } if (phy->rev >= 16) { b43_phy_write(dev, B43_NPHY_FORCEFRONT0, 0x7ff); b43_phy_write(dev, B43_NPHY_FORCEFRONT1, 0x7ff); } else if (phy->rev <= 8) { b43_phy_write(dev, B43_NPHY_FORCEFRONT0, 0x1B0); b43_phy_write(dev, B43_NPHY_FORCEFRONT1, 0x1B0); } if (phy->rev >= 16) b43_phy_maskset(dev, B43_NPHY_TXTAILCNT, ~0xFF, 0xa0); else if (phy->rev >= 8) b43_phy_maskset(dev, B43_NPHY_TXTAILCNT, ~0xFF, 0x72); b43_ntab_write(dev, B43_NTAB16(8, 0x00), 2); b43_ntab_write(dev, B43_NTAB16(8, 0x10), 2); tmp32 = b43_ntab_read(dev, B43_NTAB32(30, 0)); tmp32 &= 0xffffff; b43_ntab_write(dev, B43_NTAB32(30, 0), tmp32); b43_ntab_write_bulk(dev, B43_NTAB16(7, 0x15d), 3, ntab7_15e_16e); b43_ntab_write_bulk(dev, B43_NTAB16(7, 0x16d), 3, ntab7_15e_16e); b43_nphy_set_rf_sequence(dev, 1, tx2rx_events, tx2rx_delays, ARRAY_SIZE(tx2rx_events)); if (b43_nphy_ipa(dev)) b43_nphy_set_rf_sequence(dev, 0, rx2tx_events_ipa, rx2tx_delays_ipa, ARRAY_SIZE(rx2tx_events_ipa)); b43_phy_maskset(dev, B43_NPHY_EPS_OVERRIDEI_0, 0x3FFF, 0x4000); b43_phy_maskset(dev, B43_NPHY_EPS_OVERRIDEI_1, 0x3FFF, 0x4000); for (core = 0; core < 2; core++) { lpf_ofdm_20mhz[core] = b43_nphy_read_lpf_ctl(dev, 0x154 + core * 0x10); lpf_ofdm_40mhz[core] = b43_nphy_read_lpf_ctl(dev, 0x159 + core * 0x10); lpf_11b[core] = b43_nphy_read_lpf_ctl(dev, 0x152 + core * 0x10); } bcap_val = b43_radio_read(dev, R2057_RCCAL_BCAP_VAL); scap_val = b43_radio_read(dev, R2057_RCCAL_SCAP_VAL); if (b43_nphy_ipa(dev)) { bool ghz2 = b43_current_band(dev->wl) == NL80211_BAND_2GHZ; switch (phy->radio_rev) { case 5: /* Check radio version (to be 0) by PHY rev for now */ if (phy->rev == 8 && b43_is_40mhz(dev)) { for (core = 0; core < 2; core++) { scap_val_11b[core] = scap_val; bcap_val_11b[core] = bcap_val; scap_val_11n_20[core] = scap_val; bcap_val_11n_20[core] = bcap_val; scap_val_11n_40[core] = 0xc; bcap_val_11n_40[core] = 0xc; } rccal_ovrd = true; } if (phy->rev == 9) { /* TODO: Radio version 1 (e.g. BCM5357B0) */ } break; case 7: case 8: for (core = 0; core < 2; core++) { scap_val_11b[core] = scap_val; bcap_val_11b[core] = bcap_val; lpf_ofdm_20mhz[core] = 4; lpf_11b[core] = 1; if (b43_current_band(dev->wl) == NL80211_BAND_2GHZ) { scap_val_11n_20[core] = 0xc; bcap_val_11n_20[core] = 0xc; scap_val_11n_40[core] = 0xa; bcap_val_11n_40[core] = 0xa; } else { scap_val_11n_20[core] = 0x14; bcap_val_11n_20[core] = 0x14; scap_val_11n_40[core] = 0xf; bcap_val_11n_40[core] = 0xf; } } rccal_ovrd = true; break; case 9: for (core = 0; core < 2; core++) { bcap_val_11b[core] = bcap_val; scap_val_11b[core] = scap_val; lpf_11b[core] = 1; if (ghz2) { bcap_val_11n_20[core] = bcap_val + 13; scap_val_11n_20[core] = scap_val + 15; } else { bcap_val_11n_20[core] = bcap_val + 14; scap_val_11n_20[core] = scap_val + 15; } lpf_ofdm_20mhz[core] = 4; if (ghz2) { bcap_val_11n_40[core] = bcap_val - 7; scap_val_11n_40[core] = scap_val - 5; } else { bcap_val_11n_40[core] = bcap_val + 2; scap_val_11n_40[core] = scap_val + 4; } lpf_ofdm_40mhz[core] = 4; } rccal_ovrd = true; break; case 14: for (core = 0; core < 2; core++) { bcap_val_11b[core] = bcap_val; scap_val_11b[core] = scap_val; lpf_11b[core] = 1; } bcap_val_11n_20[0] = bcap_val + 20; scap_val_11n_20[0] = scap_val + 20; lpf_ofdm_20mhz[0] = 3; bcap_val_11n_20[1] = bcap_val + 16; scap_val_11n_20[1] = scap_val + 16; lpf_ofdm_20mhz[1] = 3; bcap_val_11n_40[0] = bcap_val + 20; scap_val_11n_40[0] = scap_val + 20; lpf_ofdm_40mhz[0] = 4; bcap_val_11n_40[1] = bcap_val + 10; scap_val_11n_40[1] = scap_val + 10; lpf_ofdm_40mhz[1] = 4; rccal_ovrd = true; break; } } else { if (phy->radio_rev == 5) { for (core = 0; core < 2; core++) { lpf_ofdm_20mhz[core] = 1; lpf_ofdm_40mhz[core] = 3; scap_val_11b[core] = scap_val; bcap_val_11b[core] = bcap_val; scap_val_11n_20[core] = 0x11; scap_val_11n_40[core] = 0x11; bcap_val_11n_20[core] = 0x13; bcap_val_11n_40[core] = 0x13; } rccal_ovrd = true; } } if (rccal_ovrd) { u16 rx2tx_lut_20_11b[2], rx2tx_lut_20_11n[2], rx2tx_lut_40_11n[2]; u8 rx2tx_lut_extra = 1; for (core = 0; core < 2; core++) { bcap_val_11b[core] = clamp_val(bcap_val_11b[core], 0, 0x1f); scap_val_11b[core] = clamp_val(scap_val_11b[core], 0, 0x1f); bcap_val_11n_20[core] = clamp_val(bcap_val_11n_20[core], 0, 0x1f); scap_val_11n_20[core] = clamp_val(scap_val_11n_20[core], 0, 0x1f); bcap_val_11n_40[core] = clamp_val(bcap_val_11n_40[core], 0, 0x1f); scap_val_11n_40[core] = clamp_val(scap_val_11n_40[core], 0, 0x1f); rx2tx_lut_20_11b[core] = (rx2tx_lut_extra << 13) | (bcap_val_11b[core] << 8) | (scap_val_11b[core] << 3) | lpf_11b[core]; rx2tx_lut_20_11n[core] = (rx2tx_lut_extra << 13) | (bcap_val_11n_20[core] << 8) | (scap_val_11n_20[core] << 3) | lpf_ofdm_20mhz[core]; rx2tx_lut_40_11n[core] = (rx2tx_lut_extra << 13) | (bcap_val_11n_40[core] << 8) | (scap_val_11n_40[core] << 3) | lpf_ofdm_40mhz[core]; } for (core = 0; core < 2; core++) { b43_ntab_write(dev, B43_NTAB16(7, 0x152 + core * 16), rx2tx_lut_20_11b[core]); b43_ntab_write(dev, B43_NTAB16(7, 0x153 + core * 16), rx2tx_lut_20_11n[core]); b43_ntab_write(dev, B43_NTAB16(7, 0x154 + core * 16), rx2tx_lut_20_11n[core]); b43_ntab_write(dev, B43_NTAB16(7, 0x155 + core * 16), rx2tx_lut_40_11n[core]); b43_ntab_write(dev, B43_NTAB16(7, 0x156 + core * 16), rx2tx_lut_40_11n[core]); b43_ntab_write(dev, B43_NTAB16(7, 0x157 + core * 16), rx2tx_lut_40_11n[core]); b43_ntab_write(dev, B43_NTAB16(7, 0x158 + core * 16), rx2tx_lut_40_11n[core]); b43_ntab_write(dev, B43_NTAB16(7, 0x159 + core * 16), rx2tx_lut_40_11n[core]); } } b43_phy_write(dev, 0x32F, 0x3); if (phy->radio_rev == 4 || phy->radio_rev == 6) b43_nphy_rf_ctl_override_rev7(dev, 4, 1, 3, false, 0); if (phy->radio_rev == 3 || phy->radio_rev == 4 || phy->radio_rev == 6) { if (sprom->revision && sprom->boardflags2_hi & B43_BFH2_IPALVLSHIFT_3P3) { b43_radio_write(dev, 0x5, 0x05); b43_radio_write(dev, 0x6, 0x30); b43_radio_write(dev, 0x7, 0x00); b43_radio_set(dev, 0x4f, 0x1); b43_radio_set(dev, 0xd4, 0x1); bias = 0x1f; conv = 0x6f; filt = 0xaa; } else { bias = 0x2b; conv = 0x7f; filt = 0xee; } if (b43_current_band(dev->wl) == NL80211_BAND_2GHZ) { for (core = 0; core < 2; core++) { if (core == 0) { b43_radio_write(dev, 0x5F, bias); b43_radio_write(dev, 0x64, conv); b43_radio_write(dev, 0x66, filt); } else { b43_radio_write(dev, 0xE8, bias); b43_radio_write(dev, 0xE9, conv); b43_radio_write(dev, 0xEB, filt); } } } } if (b43_nphy_ipa(dev)) { if (b43_current_band(dev->wl) == NL80211_BAND_2GHZ) { if (phy->radio_rev == 3 || phy->radio_rev == 4 || phy->radio_rev == 6) { for (core = 0; core < 2; core++) { if (core == 0) b43_radio_write(dev, 0x51, 0x7f); else b43_radio_write(dev, 0xd6, 0x7f); } } switch (phy->radio_rev) { case 3: for (core = 0; core < 2; core++) { if (core == 0) { b43_radio_write(dev, 0x64, 0x13); b43_radio_write(dev, 0x5F, 0x1F); b43_radio_write(dev, 0x66, 0xEE); b43_radio_write(dev, 0x59, 0x8A); b43_radio_write(dev, 0x80, 0x3E); } else { b43_radio_write(dev, 0x69, 0x13); b43_radio_write(dev, 0xE8, 0x1F); b43_radio_write(dev, 0xEB, 0xEE); b43_radio_write(dev, 0xDE, 0x8A); b43_radio_write(dev, 0x105, 0x3E); } } break; case 7: case 8: if (!b43_is_40mhz(dev)) { b43_radio_write(dev, 0x5F, 0x14); b43_radio_write(dev, 0xE8, 0x12); } else { b43_radio_write(dev, 0x5F, 0x16); b43_radio_write(dev, 0xE8, 0x16); } break; case 14: for (core = 0; core < 2; core++) { int o = core ? 0x85 : 0; b43_radio_write(dev, o + R2057_IPA2G_CASCONV_CORE0, 0x13); b43_radio_write(dev, o + R2057_TXMIX2G_TUNE_BOOST_PU_CORE0, 0x21); b43_radio_write(dev, o + R2057_IPA2G_BIAS_FILTER_CORE0, 0xff); b43_radio_write(dev, o + R2057_PAD2G_IDACS_CORE0, 0x88); b43_radio_write(dev, o + R2057_PAD2G_TUNE_PUS_CORE0, 0x23); b43_radio_write(dev, o + R2057_IPA2G_IMAIN_CORE0, 0x16); b43_radio_write(dev, o + R2057_PAD_BIAS_FILTER_BWS_CORE0, 0x3e); b43_radio_write(dev, o + R2057_BACKUP1_CORE0, 0x10); } break; } } else { u16 freq = phy->chandef->chan->center_freq; if ((freq >= 5180 && freq <= 5230) || (freq >= 5745 && freq <= 5805)) { b43_radio_write(dev, 0x7D, 0xFF); b43_radio_write(dev, 0xFE, 0xFF); } } } else { if (phy->radio_rev != 5) { for (core = 0; core < 2; core++) { if (core == 0) { b43_radio_write(dev, 0x5c, 0x61); b43_radio_write(dev, 0x51, 0x70); } else { b43_radio_write(dev, 0xe1, 0x61); b43_radio_write(dev, 0xd6, 0x70); } } } } if (phy->radio_rev == 4) { b43_ntab_write(dev, B43_NTAB16(8, 0x05), 0x20); b43_ntab_write(dev, B43_NTAB16(8, 0x15), 0x20); for (core = 0; core < 2; core++) { if (core == 0) { b43_radio_write(dev, 0x1a1, 0x00); b43_radio_write(dev, 0x1a2, 0x3f); b43_radio_write(dev, 0x1a6, 0x3f); } else { b43_radio_write(dev, 0x1a7, 0x00); b43_radio_write(dev, 0x1ab, 0x3f); b43_radio_write(dev, 0x1ac, 0x3f); } } } else { b43_phy_set(dev, B43_NPHY_AFECTL_C1, 0x4); b43_phy_set(dev, B43_NPHY_AFECTL_OVER1, 0x4); b43_phy_set(dev, B43_NPHY_AFECTL_C2, 0x4); b43_phy_set(dev, B43_NPHY_AFECTL_OVER, 0x4); b43_phy_mask(dev, B43_NPHY_AFECTL_C1, ~0x1); b43_phy_set(dev, B43_NPHY_AFECTL_OVER1, 0x1); b43_phy_mask(dev, B43_NPHY_AFECTL_C2, ~0x1); b43_phy_set(dev, B43_NPHY_AFECTL_OVER, 0x1); b43_ntab_write(dev, B43_NTAB16(8, 0x05), 0); b43_ntab_write(dev, B43_NTAB16(8, 0x15), 0); b43_phy_mask(dev, B43_NPHY_AFECTL_C1, ~0x4); b43_phy_mask(dev, B43_NPHY_AFECTL_OVER1, ~0x4); b43_phy_mask(dev, B43_NPHY_AFECTL_C2, ~0x4); b43_phy_mask(dev, B43_NPHY_AFECTL_OVER, ~0x4); } b43_phy_write(dev, B43_NPHY_ENDROP_TLEN, 0x2); b43_ntab_write(dev, B43_NTAB32(16, 0x100), 20); b43_ntab_write_bulk(dev, B43_NTAB8(7, 0x138), 2, ntab7_138_146); b43_ntab_write(dev, B43_NTAB16(7, 0x141), 0x77); b43_ntab_write_bulk(dev, B43_NTAB8(7, 0x133), 3, ntab7_133); b43_ntab_write_bulk(dev, B43_NTAB8(7, 0x146), 2, ntab7_138_146); b43_ntab_write(dev, B43_NTAB16(7, 0x123), 0x77); b43_ntab_write(dev, B43_NTAB16(7, 0x12A), 0x77); b43_ntab_read_bulk(dev, B43_NTAB32(16, 0x02), 1, noise_tbl); noise_tbl[1] = b43_is_40mhz(dev) ? 0x14D : 0x18D; b43_ntab_write_bulk(dev, B43_NTAB32(16, 0x02), 2, noise_tbl); b43_ntab_read_bulk(dev, B43_NTAB32(16, 0x7E), 1, noise_tbl); noise_tbl[1] = b43_is_40mhz(dev) ? 0x14D : 0x18D; b43_ntab_write_bulk(dev, B43_NTAB32(16, 0x7E), 2, noise_tbl); b43_nphy_gain_ctl_workarounds(dev); /* TODO b43_ntab_write_bulk(dev, B43_NTAB16(8, 0x08), 4, aux_adc_vmid_rev7_core0); b43_ntab_write_bulk(dev, B43_NTAB16(8, 0x18), 4, aux_adc_vmid_rev7_core1); b43_ntab_write_bulk(dev, B43_NTAB16(8, 0x0C), 4, aux_adc_gain_rev7); b43_ntab_write_bulk(dev, B43_NTAB16(8, 0x1C), 4, aux_adc_gain_rev7); */ } static void b43_nphy_workarounds_rev3plus(struct b43_wldev *dev) { struct b43_phy_n *nphy = dev->phy.n; struct ssb_sprom *sprom = dev->dev->bus_sprom; /* TX to RX */ u8 tx2rx_events[7] = { 0x4, 0x3, 0x5, 0x2, 0x1, 0x8, 0x1F }; u8 tx2rx_delays[7] = { 8, 4, 4, 4, 4, 6, 1 }; /* RX to TX */ u8 rx2tx_events_ipa[9] = { 0x0, 0x1, 0x2, 0x8, 0x5, 0x6, 0xF, 0x3, 0x1F }; u8 rx2tx_delays_ipa[9] = { 8, 6, 6, 4, 4, 16, 43, 1, 1 }; u8 rx2tx_events[9] = { 0x0, 0x1, 0x2, 0x8, 0x5, 0x6, 0x3, 0x4, 0x1F }; u8 rx2tx_delays[9] = { 8, 6, 6, 4, 4, 18, 42, 1, 1 }; u16 vmids[5][4] = { { 0xa2, 0xb4, 0xb4, 0x89, }, /* 0 */ { 0xb4, 0xb4, 0xb4, 0x24, }, /* 1 */ { 0xa2, 0xb4, 0xb4, 0x74, }, /* 2 */ { 0xa2, 0xb4, 0xb4, 0x270, }, /* 3 */ { 0xa2, 0xb4, 0xb4, 0x00, }, /* 4 and 5 */ }; u16 gains[5][4] = { { 0x02, 0x02, 0x02, 0x00, }, /* 0 */ { 0x02, 0x02, 0x02, 0x02, }, /* 1 */ { 0x02, 0x02, 0x02, 0x04, }, /* 2 */ { 0x02, 0x02, 0x02, 0x00, }, /* 3 */ { 0x02, 0x02, 0x02, 0x00, }, /* 4 and 5 */ }; u16 *vmid, *gain; u8 pdet_range; u16 tmp16; u32 tmp32; b43_phy_write(dev, B43_NPHY_FORCEFRONT0, 0x1f8); b43_phy_write(dev, B43_NPHY_FORCEFRONT1, 0x1f8); 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_REV3_C1_CLIP_LOGAIN_B, 0x000C); b43_phy_write(dev, B43_NPHY_REV3_C2_CLIP_LOGAIN_B, 0x000C); /* TX to RX */ b43_nphy_set_rf_sequence(dev, 1, tx2rx_events, tx2rx_delays, ARRAY_SIZE(tx2rx_events)); /* RX to TX */ if (b43_nphy_ipa(dev)) b43_nphy_set_rf_sequence(dev, 0, rx2tx_events_ipa, rx2tx_delays_ipa, ARRAY_SIZE(rx2tx_events_ipa)); if (nphy->hw_phyrxchain != 3 && nphy->hw_phyrxchain != nphy->hw_phytxchain) { if (b43_nphy_ipa(dev)) { rx2tx_delays[5] = 59; rx2tx_delays[6] = 1; rx2tx_events[7] = 0x1F; } b43_nphy_set_rf_sequence(dev, 0, rx2tx_events, rx2tx_delays, ARRAY_SIZE(rx2tx_events)); } tmp16 = (b43_current_band(dev->wl) == NL80211_BAND_2GHZ) ? 0x2 : 0x9C40; b43_phy_write(dev, B43_NPHY_ENDROP_TLEN, tmp16); b43_phy_maskset(dev, B43_NPHY_SGILTRNOFFSET, 0xF0FF, 0x0700); if (!b43_is_40mhz(dev)) { b43_ntab_write(dev, B43_NTAB32(16, 3), 0x18D); b43_ntab_write(dev, B43_NTAB32(16, 127), 0x18D); } else { b43_ntab_write(dev, B43_NTAB32(16, 3), 0x14D); b43_ntab_write(dev, B43_NTAB32(16, 127), 0x14D); } b43_nphy_gain_ctl_workarounds(dev); b43_ntab_write(dev, B43_NTAB16(8, 0), 2); b43_ntab_write(dev, B43_NTAB16(8, 16), 2); if (b43_current_band(dev->wl) == NL80211_BAND_2GHZ) pdet_range = sprom->fem.ghz2.pdet_range; else pdet_range = sprom->fem.ghz5.pdet_range; vmid = vmids[min_t(u16, pdet_range, 4)]; gain = gains[min_t(u16, pdet_range, 4)]; switch (pdet_range) { case 3: if (!(dev->phy.rev >= 4 && b43_current_band(dev->wl) == NL80211_BAND_2GHZ)) break; fallthrough; case 0: case 1: b43_ntab_write_bulk(dev, B43_NTAB16(8, 0x08), 4, vmid); b43_ntab_write_bulk(dev, B43_NTAB16(8, 0x18), 4, vmid); b43_ntab_write_bulk(dev, B43_NTAB16(8, 0x0c), 4, gain); b43_ntab_write_bulk(dev, B43_NTAB16(8, 0x1c), 4, gain); break; case 2: if (dev->phy.rev >= 6) { if (b43_current_band(dev->wl) == NL80211_BAND_2GHZ) vmid[3] = 0x94; else vmid[3] = 0x8e; gain[3] = 3; } else if (dev->phy.rev == 5) { vmid[3] = 0x84; gain[3] = 2; } b43_ntab_write_bulk(dev, B43_NTAB16(8, 0x08), 4, vmid); b43_ntab_write_bulk(dev, B43_NTAB16(8, 0x18), 4, vmid); b43_ntab_write_bulk(dev, B43_NTAB16(8, 0x0c), 4, gain); b43_ntab_write_bulk(dev, B43_NTAB16(8, 0x1c), 4, gain); break; case 4: case 5: if (b43_current_band(dev->wl) != NL80211_BAND_2GHZ) { if (pdet_range == 4) { vmid[3] = 0x8e; tmp16 = 0x96; gain[3] = 0x2; } else { vmid[3] = 0x89; tmp16 = 0x89; gain[3] = 0; } } else { if (pdet_range == 4) { vmid[3] = 0x89; tmp16 = 0x8b; gain[3] = 0x2; } else { vmid[3] = 0x74; tmp16 = 0x70; gain[3] = 0; } } b43_ntab_write_bulk(dev, B43_NTAB16(8, 0x08), 4, vmid); b43_ntab_write_bulk(dev, B43_NTAB16(8, 0x0c), 4, gain); vmid[3] = tmp16; b43_ntab_write_bulk(dev, B43_NTAB16(8, 0x18), 4, vmid); b43_ntab_write_bulk(dev, B43_NTAB16(8, 0x1c), 4, gain); break; } 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_MIXA_CMFB_IDAC, 0x00); b43_radio_write(dev, B2056_RX1 | B2056_RX_MIXA_CMFB_IDAC, 0x00); 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 ((sprom->boardflags2_lo & B43_BFL2_APLL_WAR && b43_current_band(dev->wl) == NL80211_BAND_5GHZ) || (sprom->boardflags2_lo & B43_BFL2_GPLL_WAR && b43_current_band(dev->wl) == NL80211_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) == NL80211_BAND_5GHZ) { b43_radio_write(dev, B2056_TX0 | B2056_TX_GMBB_IDAC, 0x70); b43_radio_write(dev, B2056_TX1 | B2056_TX_GMBB_IDAC, 0x70); } /* Dropped probably-always-true condition */ b43_phy_write(dev, B43_NPHY_ED_CRS40ASSERTTHRESH0, 0x03eb); b43_phy_write(dev, B43_NPHY_ED_CRS40ASSERTTHRESH1, 0x03eb); b43_phy_write(dev, B43_NPHY_ED_CRS40DEASSERTTHRESH0, 0x0341); b43_phy_write(dev, B43_NPHY_ED_CRS40DEASSERTTHRESH1, 0x0341); b43_phy_write(dev, B43_NPHY_ED_CRS20LASSERTTHRESH0, 0x042b); b43_phy_write(dev, B43_NPHY_ED_CRS20LASSERTTHRESH1, 0x042b); b43_phy_write(dev, B43_NPHY_ED_CRS20LDEASSERTTHRESH0, 0x0381); b43_phy_write(dev, B43_NPHY_ED_CRS20LDEASSERTTHRESH1, 0x0381); b43_phy_write(dev, B43_NPHY_ED_CRS20UASSERTTHRESH0, 0x042b); b43_phy_write(dev, B43_NPHY_ED_CRS20UASSERTTHRESH1, 0x042b); b43_phy_write(dev, B43_NPHY_ED_CRS20UDEASSERTTHRESH0, 0x0381); b43_phy_write(dev, B43_NPHY_ED_CRS20UDEASSERTTHRESH1, 0x0381); if (dev->phy.rev >= 6 && sprom->boardflags2_lo & B43_BFL2_SINGLEANT_CCK) { ; /* TODO: 0x0080000000000000 HF */ } } static void b43_nphy_workarounds_rev1_2(struct b43_wldev *dev) { struct ssb_sprom *sprom = dev->dev->bus_sprom; struct b43_phy *phy = &dev->phy; struct b43_phy_n *nphy = phy->n; u8 events1[7] = { 0x0, 0x1, 0x2, 0x8, 0x4, 0x5, 0x3 }; u8 delays1[7] = { 0x8, 0x6, 0x6, 0x2, 0x4, 0x3C, 0x1 }; u8 events2[7] = { 0x0, 0x3, 0x5, 0x4, 0x2, 0x1, 0x8 }; u8 delays2[7] = { 0x8, 0x6, 0x2, 0x4, 0x4, 0x6, 0x1 }; if (sprom->boardflags2_lo & B43_BFL2_SKWRKFEM_BRD || dev->dev->board_type == BCMA_BOARD_TYPE_BCM943224M93) { delays1[0] = 0x1; delays1[5] = 0x14; } if (b43_current_band(dev->wl) == NL80211_BAND_5GHZ && nphy->band5g_pwrgain) { b43_radio_mask(dev, B2055_C1_TX_RF_SPARE, ~0x8); b43_radio_mask(dev, B2055_C2_TX_RF_SPARE, ~0x8); } else { b43_radio_set(dev, B2055_C1_TX_RF_SPARE, 0x8); b43_radio_set(dev, B2055_C2_TX_RF_SPARE, 0x8); } b43_ntab_write(dev, B43_NTAB16(8, 0x00), 0x000A); b43_ntab_write(dev, B43_NTAB16(8, 0x10), 0x000A); if (dev->phy.rev < 3) { b43_ntab_write(dev, B43_NTAB16(8, 0x02), 0xCDAA); b43_ntab_write(dev, B43_NTAB16(8, 0x12), 0xCDAA); } if (dev->phy.rev < 2) { b43_ntab_write(dev, B43_NTAB16(8, 0x08), 0x0000); b43_ntab_write(dev, B43_NTAB16(8, 0x18), 0x0000); b43_ntab_write(dev, B43_NTAB16(8, 0x07), 0x7AAB); b43_ntab_write(dev, B43_NTAB16(8, 0x17), 0x7AAB); b43_ntab_write(dev, B43_NTAB16(8, 0x06), 0x0800); b43_ntab_write(dev, B43_NTAB16(8, 0x16), 0x0800); } b43_phy_write(dev, B43_NPHY_RFCTL_LUT_TRSW_LO1, 0x2D8); b43_phy_write(dev, B43_NPHY_RFCTL_LUT_TRSW_UP1, 0x301); b43_phy_write(dev, B43_NPHY_RFCTL_LUT_TRSW_LO2, 0x2D8); b43_phy_write(dev, B43_NPHY_RFCTL_LUT_TRSW_UP2, 0x301); b43_nphy_set_rf_sequence(dev, 0, events1, delays1, 7); b43_nphy_set_rf_sequence(dev, 1, events2, delays2, 7); b43_nphy_gain_ctl_workarounds(dev); if (dev->phy.rev < 2) { if (b43_phy_read(dev, B43_NPHY_RXCTL) & 0x2) b43_hf_write(dev, b43_hf_read(dev) | B43_HF_MLADVW); } else if (dev->phy.rev == 2) { b43_phy_write(dev, B43_NPHY_CRSCHECK2, 0); b43_phy_write(dev, B43_NPHY_CRSCHECK3, 0); } if (dev->phy.rev < 2) b43_phy_mask(dev, B43_NPHY_SCRAM_SIGCTL, ~B43_NPHY_SCRAM_SIGCTL_SCM); /* Set phase track alpha and beta */ b43_phy_write(dev, B43_NPHY_PHASETR_A0, 0x125); b43_phy_write(dev, B43_NPHY_PHASETR_A1, 0x1B3); b43_phy_write(dev, B43_NPHY_PHASETR_A2, 0x105); b43_phy_write(dev, B43_NPHY_PHASETR_B0, 0x16E); b43_phy_write(dev, B43_NPHY_PHASETR_B1, 0xCD); b43_phy_write(dev, B43_NPHY_PHASETR_B2, 0x20); if (dev->phy.rev < 3) { b43_phy_mask(dev, B43_NPHY_PIL_DW1, ~B43_NPHY_PIL_DW_64QAM & 0xFFFF); b43_phy_write(dev, B43_NPHY_TXF_20CO_S2B1, 0xB5); b43_phy_write(dev, B43_NPHY_TXF_20CO_S2B2, 0xA4); b43_phy_write(dev, B43_NPHY_TXF_20CO_S2B3, 0x00); } if (dev->phy.rev == 2) b43_phy_set(dev, B43_NPHY_FINERX2_CGC, B43_NPHY_FINERX2_CGC_DECGC); } /* https://bcm-v4.sipsolutions.net/802.11/PHY/N/Workarounds */ static void b43_nphy_workarounds(struct b43_wldev *dev) { struct b43_phy *phy = &dev->phy; struct b43_phy_n *nphy = phy->n; if (b43_current_band(dev->wl) == NL80211_BAND_5GHZ) b43_nphy_classifier(dev, 1, 0); else b43_nphy_classifier(dev, 1, 1); if (nphy->hang_avoid) b43_nphy_stay_in_carrier_search(dev, 1); b43_phy_set(dev, B43_NPHY_IQFLIP, B43_NPHY_IQFLIP_ADC1 | B43_NPHY_IQFLIP_ADC2); /* TODO: rev19+ */ if (dev->phy.rev >= 7) b43_nphy_workarounds_rev7plus(dev); else if (dev->phy.rev >= 3) b43_nphy_workarounds_rev3plus(dev); else b43_nphy_workarounds_rev1_2(dev); if (nphy->hang_avoid) b43_nphy_stay_in_carrier_search(dev, 0); } /************************************************** * Tx/Rx common **************************************************/ /* * Transmits a known value for LO calibration * https://bcm-v4.sipsolutions.net/802.11/PHY/N/TXTone */ static int b43_nphy_tx_tone(struct b43_wldev *dev, u32 freq, u16 max_val, bool iqmode, bool dac_test, bool modify_bbmult) { u16 samp = b43_nphy_gen_load_samples(dev, freq, max_val, dac_test); if (samp == 0) return -1; b43_nphy_run_samples(dev, samp, 0xFFFF, 0, iqmode, dac_test, modify_bbmult); return 0; } /* https://bcm-v4.sipsolutions.net/802.11/PHY/N/Chains */ static void b43_nphy_update_txrx_chain(struct b43_wldev *dev) { struct b43_phy_n *nphy = dev->phy.n; bool override = false; u16 chain = 0x33; if (nphy->txrx_chain == 0) { chain = 0x11; override = true; } else if (nphy->txrx_chain == 1) { chain = 0x22; override = true; } b43_phy_maskset(dev, B43_NPHY_RFSEQCA, ~(B43_NPHY_RFSEQCA_TXEN | B43_NPHY_RFSEQCA_RXEN), chain); if (override) b43_phy_set(dev, B43_NPHY_RFSEQMODE, B43_NPHY_RFSEQMODE_CAOVER); else b43_phy_mask(dev, B43_NPHY_RFSEQMODE, ~B43_NPHY_RFSEQMODE_CAOVER); } /* https://bcm-v4.sipsolutions.net/802.11/PHY/N/stop-playback */ static void b43_nphy_stop_playback(struct b43_wldev *dev) { struct b43_phy *phy = &dev->phy; struct b43_phy_n *nphy = dev->phy.n; u16 tmp; if (nphy->hang_avoid) b43_nphy_stay_in_carrier_search(dev, 1); tmp = b43_phy_read(dev, B43_NPHY_SAMP_STAT); if (tmp & 0x1) b43_phy_set(dev, B43_NPHY_SAMP_CMD, B43_NPHY_SAMP_CMD_STOP); else if (tmp & 0x2) b43_phy_mask(dev, B43_NPHY_IQLOCAL_CMDGCTL, 0x7FFF); b43_phy_mask(dev, B43_NPHY_SAMP_CMD, ~0x0004); if (nphy->bb_mult_save & 0x80000000) { tmp = nphy->bb_mult_save & 0xFFFF; b43_ntab_write(dev, B43_NTAB16(15, 87), tmp); nphy->bb_mult_save = 0; } if (phy->rev >= 7 && nphy->lpf_bw_overrode_for_sample_play) { if (phy->rev >= 19) b43_nphy_rf_ctl_override_rev19(dev, 0x80, 0, 0, true, 1); else b43_nphy_rf_ctl_override_rev7(dev, 0x80, 0, 0, true, 1); nphy->lpf_bw_overrode_for_sample_play = false; } if (nphy->hang_avoid) b43_nphy_stay_in_carrier_search(dev, 0); } /* https://bcm-v4.sipsolutions.net/802.11/PHY/N/IqCalGainParams */ static void b43_nphy_iq_cal_gain_params(struct b43_wldev *dev, u16 core, struct nphy_txgains target, struct nphy_iqcal_params *params) { struct b43_phy *phy = &dev->phy; int i, j, indx; u16 gain; if (dev->phy.rev >= 3) { params->tx_lpf = target.tx_lpf[core]; /* Rev 7+ */ params->txgm = target.txgm[core]; params->pga = target.pga[core]; params->pad = target.pad[core]; params->ipa = target.ipa[core]; if (phy->rev >= 19) { /* TODO */ } else if (phy->rev >= 7) { params->cal_gain = (params->txgm << 12) | (params->pga << 8) | (params->pad << 3) | (params->ipa) | (params->tx_lpf << 15); } else { params->cal_gain = (params->txgm << 12) | (params->pga << 8) | (params->pad << 4) | (params->ipa); } for (j = 0; j < 5; j++) params->ncorr[j] = 0x79; } else { gain = (target.pad[core]) | (target.pga[core] << 4) | (target.txgm[core] << 8); indx = (b43_current_band(dev->wl) == NL80211_BAND_5GHZ) ? 1 : 0; for (i = 0; i < 9; i++) if (tbl_iqcal_gainparams[indx][i][0] == gain) break; i = min(i, 8); params->txgm = tbl_iqcal_gainparams[indx][i][1]; params->pga = tbl_iqcal_gainparams[indx][i][2]; params->pad = tbl_iqcal_gainparams[indx][i][3]; params->cal_gain = (params->txgm << 7) | (params->pga << 4) | (params->pad << 2); for (j = 0; j < 4; j++) params->ncorr[j] = tbl_iqcal_gainparams[indx][i][4 + j]; } } /************************************************** * Tx and Rx **************************************************/ /* https://bcm-v4.sipsolutions.net/802.11/PHY/N/TxPwrCtrlEnable */ static void b43_nphy_tx_power_ctrl(struct b43_wldev *dev, bool enable) { struct b43_phy *phy = &dev->phy; struct b43_phy_n *nphy = dev->phy.n; u8 i; u16 bmask, val, tmp; enum nl80211_band band = b43_current_band(dev->wl); if (nphy->hang_avoid) b43_nphy_stay_in_carrier_search(dev, 1); nphy->txpwrctrl = enable; if (!enable) { if (dev->phy.rev >= 3 && (b43_phy_read(dev, B43_NPHY_TXPCTL_CMD) & (B43_NPHY_TXPCTL_CMD_COEFF | B43_NPHY_TXPCTL_CMD_HWPCTLEN | B43_NPHY_TXPCTL_CMD_PCTLEN))) { /* We disable enabled TX pwr ctl, save it's state */ nphy->tx_pwr_idx[0] = b43_phy_read(dev, B43_NPHY_C1_TXPCTL_STAT) & 0x7f; nphy->tx_pwr_idx[1] = b43_phy_read(dev, B43_NPHY_C2_TXPCTL_STAT) & 0x7f; } b43_phy_write(dev, B43_NPHY_TABLE_ADDR, 0x6840); for (i = 0; i < 84; i++) b43_phy_write(dev, B43_NPHY_TABLE_DATALO, 0); b43_phy_write(dev, B43_NPHY_TABLE_ADDR, 0x6C40); for (i = 0; i < 84; i++) b43_phy_write(dev, B43_NPHY_TABLE_DATALO, 0); tmp = B43_NPHY_TXPCTL_CMD_COEFF | B43_NPHY_TXPCTL_CMD_HWPCTLEN; if (dev->phy.rev >= 3) tmp |= B43_NPHY_TXPCTL_CMD_PCTLEN; b43_phy_mask(dev, B43_NPHY_TXPCTL_CMD, ~tmp); if (dev->phy.rev >= 3) { b43_phy_set(dev, B43_NPHY_AFECTL_OVER1, 0x0100); b43_phy_set(dev, B43_NPHY_AFECTL_OVER, 0x0100); } else { b43_phy_set(dev, B43_NPHY_AFECTL_OVER, 0x4000); } if (dev->phy.rev == 2) b43_phy_maskset(dev, B43_NPHY_BPHY_CTL3, ~B43_NPHY_BPHY_CTL3_SCALE, 0x53); else if (dev->phy.rev < 2) b43_phy_maskset(dev, B43_NPHY_BPHY_CTL3, ~B43_NPHY_BPHY_CTL3_SCALE, 0x5A); if (dev->phy.rev < 2 && b43_is_40mhz(dev)) b43_hf_write(dev, b43_hf_read(dev) | B43_HF_TSSIRPSMW); } else { b43_ntab_write_bulk(dev, B43_NTAB16(26, 64), 84, nphy->adj_pwr_tbl); b43_ntab_write_bulk(dev, B43_NTAB16(27, 64), 84, nphy->adj_pwr_tbl); bmask = B43_NPHY_TXPCTL_CMD_COEFF | B43_NPHY_TXPCTL_CMD_HWPCTLEN; /* wl does useless check for "enable" param here */ val = B43_NPHY_TXPCTL_CMD_COEFF | B43_NPHY_TXPCTL_CMD_HWPCTLEN; if (dev->phy.rev >= 3) { bmask |= B43_NPHY_TXPCTL_CMD_PCTLEN; if (val) val |= B43_NPHY_TXPCTL_CMD_PCTLEN; } b43_phy_maskset(dev, B43_NPHY_TXPCTL_CMD, ~(bmask), val); if (band == NL80211_BAND_5GHZ) { if (phy->rev >= 19) { /* TODO */ } else if (phy->rev >= 7) { b43_phy_maskset(dev, B43_NPHY_TXPCTL_CMD, ~B43_NPHY_TXPCTL_CMD_INIT, 0x32); b43_phy_maskset(dev, B43_NPHY_TXPCTL_INIT, ~B43_NPHY_TXPCTL_INIT_PIDXI1, 0x32); } else { b43_phy_maskset(dev, B43_NPHY_TXPCTL_CMD, ~B43_NPHY_TXPCTL_CMD_INIT, 0x64); if (phy->rev > 1) b43_phy_maskset(dev, B43_NPHY_TXPCTL_INIT, ~B43_NPHY_TXPCTL_INIT_PIDXI1, 0x64); } } if (dev->phy.rev >= 3) { if (nphy->tx_pwr_idx[0] != 128 && nphy->tx_pwr_idx[1] != 128) { /* Recover TX pwr ctl state */ b43_phy_maskset(dev, B43_NPHY_TXPCTL_CMD, ~B43_NPHY_TXPCTL_CMD_INIT, nphy->tx_pwr_idx[0]); if (dev->phy.rev > 1) b43_phy_maskset(dev, B43_NPHY_TXPCTL_INIT, ~0xff, nphy->tx_pwr_idx[1]); } } if (phy->rev >= 7) { /* TODO */ } if (dev->phy.rev >= 3) { b43_phy_mask(dev, B43_NPHY_AFECTL_OVER1, ~0x100); b43_phy_mask(dev, B43_NPHY_AFECTL_OVER, ~0x100); } else { b43_phy_mask(dev, B43_NPHY_AFECTL_OVER, ~0x4000); } if (dev->phy.rev == 2) b43_phy_maskset(dev, B43_NPHY_BPHY_CTL3, ~0xFF, 0x3b); else if (dev->phy.rev < 2) b43_phy_maskset(dev, B43_NPHY_BPHY_CTL3, ~0xFF, 0x40); if (dev->phy.rev < 2 && b43_is_40mhz(dev)) b43_hf_write(dev, b43_hf_read(dev) & ~B43_HF_TSSIRPSMW); if (b43_nphy_ipa(dev)) { b43_phy_mask(dev, B43_NPHY_PAPD_EN0, ~0x4); b43_phy_mask(dev, B43_NPHY_PAPD_EN1, ~0x4); } } if (nphy->hang_avoid) b43_nphy_stay_in_carrier_search(dev, 0); } /* https://bcm-v4.sipsolutions.net/802.11/PHY/N/TxPwrFix */ static void b43_nphy_tx_power_fix(struct b43_wldev *dev) { struct b43_phy *phy = &dev->phy; struct b43_phy_n *nphy = dev->phy.n; struct ssb_sprom *sprom = dev->dev->bus_sprom; u8 txpi[2], bbmult, i; u16 tmp, radio_gain, dac_gain; u16 freq = phy->chandef->chan->center_freq; u32 txgain; /* u32 gaintbl; rev3+ */ if (nphy->hang_avoid) b43_nphy_stay_in_carrier_search(dev, 1); /* TODO: rev19+ */ if (dev->phy.rev >= 7) { txpi[0] = txpi[1] = 30; } else if (dev->phy.rev >= 3) { txpi[0] = 40; txpi[1] = 40; } else if (sprom->revision < 4) { txpi[0] = 72; txpi[1] = 72; } else { if (b43_current_band(dev->wl) == NL80211_BAND_2GHZ) { txpi[0] = sprom->txpid2g[0]; txpi[1] = sprom->txpid2g[1]; } else if (freq >= 4900 && freq < 5100) { txpi[0] = sprom->txpid5gl[0]; txpi[1] = sprom->txpid5gl[1]; } else if (freq >= 5100 && freq < 5500) { txpi[0] = sprom->txpid5g[0]; txpi[1] = sprom->txpid5g[1]; } else if (freq >= 5500) { txpi[0] = sprom->txpid5gh[0]; txpi[1] = sprom->txpid5gh[1]; } else { txpi[0] = 91; txpi[1] = 91; } } if (dev->phy.rev < 7 && (txpi[0] < 40 || txpi[0] > 100 || txpi[1] < 40 || txpi[1] > 100)) txpi[0] = txpi[1] = 91; /* for (i = 0; i < 2; i++) { nphy->txpwrindex[i].index_internal = txpi[i]; nphy->txpwrindex[i].index_internal_save = txpi[i]; } */ for (i = 0; i < 2; i++) { const u32 *table = b43_nphy_get_tx_gain_table(dev); if (!table) break; txgain = *(table + txpi[i]); if (dev->phy.rev >= 3) radio_gain = (txgain >> 16) & 0x1FFFF; else radio_gain = (txgain >> 16) & 0x1FFF; if (dev->phy.rev >= 7) dac_gain = (txgain >> 8) & 0x7; else dac_gain = (txgain >> 8) & 0x3F; bbmult = txgain & 0xFF; if (dev->phy.rev >= 3) { if (i == 0) b43_phy_set(dev, B43_NPHY_AFECTL_OVER1, 0x0100); else b43_phy_set(dev, B43_NPHY_AFECTL_OVER, 0x0100); } else { b43_phy_set(dev, B43_NPHY_AFECTL_OVER, 0x4000); } if (i == 0) b43_phy_write(dev, B43_NPHY_AFECTL_DACGAIN1, dac_gain); else b43_phy_write(dev, B43_NPHY_AFECTL_DACGAIN2, dac_gain); b43_ntab_write(dev, B43_NTAB16(0x7, 0x110 + i), radio_gain); tmp = b43_ntab_read(dev, B43_NTAB16(0xF, 0x57)); if (i == 0) tmp = (tmp & 0x00FF) | (bbmult << 8); else tmp = (tmp & 0xFF00) | bbmult; b43_ntab_write(dev, B43_NTAB16(0xF, 0x57), tmp); if (b43_nphy_ipa(dev)) { u32 tmp32; u16 reg = (i == 0) ? B43_NPHY_PAPD_EN0 : B43_NPHY_PAPD_EN1; tmp32 = b43_ntab_read(dev, B43_NTAB32(26 + i, 576 + txpi[i])); b43_phy_maskset(dev, reg, 0xE00F, (u32) tmp32 << 4); b43_phy_set(dev, reg, 0x4); } } b43_phy_mask(dev, B43_NPHY_BPHY_CTL2, ~B43_NPHY_BPHY_CTL2_LUT); if (nphy->hang_avoid) b43_nphy_stay_in_carrier_search(dev, 0); } static void b43_nphy_ipa_internal_tssi_setup(struct b43_wldev *dev) { struct b43_phy *phy = &dev->phy; u8 core; u16 r; /* routing */ if (phy->rev >= 19) { /* TODO */ } else if (phy->rev >= 7) { for (core = 0; core < 2; core++) { r = core ? 0x190 : 0x170; if (b43_current_band(dev->wl) == NL80211_BAND_2GHZ) { b43_radio_write(dev, r + 0x5, 0x5); b43_radio_write(dev, r + 0x9, 0xE); if (phy->rev != 5) b43_radio_write(dev, r + 0xA, 0); if (phy->rev != 7) b43_radio_write(dev, r + 0xB, 1); else b43_radio_write(dev, r + 0xB, 0x31); } else { b43_radio_write(dev, r + 0x5, 0x9); b43_radio_write(dev, r + 0x9, 0xC); b43_radio_write(dev, r + 0xB, 0x0); if (phy->rev != 5) b43_radio_write(dev, r + 0xA, 1); else b43_radio_write(dev, r + 0xA, 0x31); } b43_radio_write(dev, r + 0x6, 0); b43_radio_write(dev, r + 0x7, 0); b43_radio_write(dev, r + 0x8, 3); b43_radio_write(dev, r + 0xC, 0); } } else { if (b43_current_band(dev->wl) == NL80211_BAND_2GHZ) b43_radio_write(dev, B2056_SYN_RESERVED_ADDR31, 0x128); else b43_radio_write(dev, B2056_SYN_RESERVED_ADDR31, 0x80); b43_radio_write(dev, B2056_SYN_RESERVED_ADDR30, 0); b43_radio_write(dev, B2056_SYN_GPIO_MASTER1, 0x29); for (core = 0; core < 2; core++) { r = core ? B2056_TX1 : B2056_TX0; b43_radio_write(dev, r | B2056_TX_IQCAL_VCM_HG, 0); b43_radio_write(dev, r | B2056_TX_IQCAL_IDAC, 0); b43_radio_write(dev, r | B2056_TX_TSSI_VCM, 3); b43_radio_write(dev, r | B2056_TX_TX_AMP_DET, 0); b43_radio_write(dev, r | B2056_TX_TSSI_MISC1, 8); b43_radio_write(dev, r | B2056_TX_TSSI_MISC2, 0); b43_radio_write(dev, r | B2056_TX_TSSI_MISC3, 0); if (b43_current_band(dev->wl) == NL80211_BAND_2GHZ) { b43_radio_write(dev, r | B2056_TX_TX_SSI_MASTER, 0x5); if (phy->rev != 5) b43_radio_write(dev, r | B2056_TX_TSSIA, 0x00); if (phy->rev >= 5) b43_radio_write(dev, r | B2056_TX_TSSIG, 0x31); else b43_radio_write(dev, r | B2056_TX_TSSIG, 0x11); b43_radio_write(dev, r | B2056_TX_TX_SSI_MUX, 0xE); } else { b43_radio_write(dev, r | B2056_TX_TX_SSI_MASTER, 0x9); b43_radio_write(dev, r | B2056_TX_TSSIA, 0x31); b43_radio_write(dev, r | B2056_TX_TSSIG, 0x0); b43_radio_write(dev, r | B2056_TX_TX_SSI_MUX, 0xC); } } } } /* * Stop radio and transmit known signal. Then check received signal strength to * get TSSI (Transmit Signal Strength Indicator). * https://bcm-v4.sipsolutions.net/802.11/PHY/N/TxPwrCtrlIdleTssi */ static void b43_nphy_tx_power_ctl_idle_tssi(struct b43_wldev *dev) { struct b43_phy *phy = &dev->phy; struct b43_phy_n *nphy = dev->phy.n; u32 tmp; s32 rssi[4] = { }; if (phy->chandef->chan->flags & IEEE80211_CHAN_NO_IR) return; if (b43_nphy_ipa(dev)) b43_nphy_ipa_internal_tssi_setup(dev); if (phy->rev >= 19) b43_nphy_rf_ctl_override_rev19(dev, 0x1000, 0, 3, false, 0); else if (phy->rev >= 7) b43_nphy_rf_ctl_override_rev7(dev, 0x1000, 0, 3, false, 0); else if (phy->rev >= 3) b43_nphy_rf_ctl_override(dev, 0x2000, 0, 3, false); b43_nphy_stop_playback(dev); b43_nphy_tx_tone(dev, 4000, 0, false, false, false); udelay(20); tmp = b43_nphy_poll_rssi(dev, N_RSSI_TSSI_2G, rssi, 1); b43_nphy_stop_playback(dev); b43_nphy_rssi_select(dev, 0, N_RSSI_W1); if (phy->rev >= 19) b43_nphy_rf_ctl_override_rev19(dev, 0x1000, 0, 3, true, 0); else if (phy->rev >= 7) b43_nphy_rf_ctl_override_rev7(dev, 0x1000, 0, 3, true, 0); else if (phy->rev >= 3) b43_nphy_rf_ctl_override(dev, 0x2000, 0, 3, true); if (phy->rev >= 19) { /* TODO */ return; } else if (phy->rev >= 3) { nphy->pwr_ctl_info[0].idle_tssi_5g = (tmp >> 24) & 0xFF; nphy->pwr_ctl_info[1].idle_tssi_5g = (tmp >> 8) & 0xFF; } else { nphy->pwr_ctl_info[0].idle_tssi_5g = (tmp >> 16) & 0xFF; nphy->pwr_ctl_info[1].idle_tssi_5g = tmp & 0xFF; } nphy->pwr_ctl_info[0].idle_tssi_2g = (tmp >> 24) & 0xFF; nphy->pwr_ctl_info[1].idle_tssi_2g = (tmp >> 8) & 0xFF; } /* https://bcm-v4.sipsolutions.net/PHY/N/TxPwrLimitToTbl */ static void b43_nphy_tx_prepare_adjusted_power_table(struct b43_wldev *dev) { struct b43_phy_n *nphy = dev->phy.n; u8 idx, delta; u8 i, stf_mode; /* Array adj_pwr_tbl corresponds to the hardware table. It consists of * 21 groups, each containing 4 entries. * * First group has entries for CCK modulation. * The rest of groups has 1 entry per modulation (SISO, CDD, STBC, SDM). * * Group 0 is for CCK * Groups 1..4 use BPSK (group per coding rate) * Groups 5..8 use QPSK (group per coding rate) * Groups 9..12 use 16-QAM (group per coding rate) * Groups 13..16 use 64-QAM (group per coding rate) * Groups 17..20 are unknown */ for (i = 0; i < 4; i++) nphy->adj_pwr_tbl[i] = nphy->tx_power_offset[i]; for (stf_mode = 0; stf_mode < 4; stf_mode++) { delta = 0; switch (stf_mode) { case 0: if (b43_is_40mhz(dev) && dev->phy.rev >= 5) { idx = 68; } else { delta = 1; idx = b43_is_40mhz(dev) ? 52 : 4; } break; case 1: idx = b43_is_40mhz(dev) ? 76 : 28; break; case 2: idx = b43_is_40mhz(dev) ? 84 : 36; break; case 3: idx = b43_is_40mhz(dev) ? 92 : 44; break; } for (i = 0; i < 20; i++) { nphy->adj_pwr_tbl[4 + 4 * i + stf_mode] = nphy->tx_power_offset[idx]; if (i == 0) idx += delta; if (i == 14) idx += 1 - delta; if (i == 3 || i == 4 || i == 7 || i == 8 || i == 11 || i == 13) idx += 1; } } } /* https://bcm-v4.sipsolutions.net/802.11/PHY/N/TxPwrCtrlSetup */ static void b43_nphy_tx_power_ctl_setup(struct b43_wldev *dev) { struct b43_phy *phy = &dev->phy; struct b43_phy_n *nphy = dev->phy.n; struct ssb_sprom *sprom = dev->dev->bus_sprom; s16 a1[2], b0[2], b1[2]; u8 idle[2]; u8 ppr_max; s8 target[2]; s32 num, den, pwr; u32 regval[64]; u16 freq = phy->chandef->chan->center_freq; u16 tmp; u16 r; /* routing */ u8 i, c; if (dev->dev->core_rev == 11 || dev->dev->core_rev == 12) { b43_maskset32(dev, B43_MMIO_MACCTL, ~0, 0x200000); b43_read32(dev, B43_MMIO_MACCTL); udelay(1); } if (nphy->hang_avoid) b43_nphy_stay_in_carrier_search(dev, true); b43_phy_set(dev, B43_NPHY_TSSIMODE, B43_NPHY_TSSIMODE_EN); if (dev->phy.rev >= 3) b43_phy_mask(dev, B43_NPHY_TXPCTL_CMD, ~B43_NPHY_TXPCTL_CMD_PCTLEN & 0xFFFF); else b43_phy_set(dev, B43_NPHY_TXPCTL_CMD, B43_NPHY_TXPCTL_CMD_PCTLEN); if (dev->dev->core_rev == 11 || dev->dev->core_rev == 12) b43_maskset32(dev, B43_MMIO_MACCTL, ~0x200000, 0); if (sprom->revision < 4) { idle[0] = nphy->pwr_ctl_info[0].idle_tssi_2g; idle[1] = nphy->pwr_ctl_info[1].idle_tssi_2g; target[0] = target[1] = 52; a1[0] = a1[1] = -424; b0[0] = b0[1] = 5612; b1[0] = b1[1] = -1393; } else { if (b43_current_band(dev->wl) == NL80211_BAND_2GHZ) { for (c = 0; c < 2; c++) { idle[c] = nphy->pwr_ctl_info[c].idle_tssi_2g; target[c] = sprom->core_pwr_info[c].maxpwr_2g; a1[c] = sprom->core_pwr_info[c].pa_2g[0]; b0[c] = sprom->core_pwr_info[c].pa_2g[1]; b1[c] = sprom->core_pwr_info[c].pa_2g[2]; } } else if (freq >= 4900 && freq < 5100) { for (c = 0; c < 2; c++) { idle[c] = nphy->pwr_ctl_info[c].idle_tssi_5g; target[c] = sprom->core_pwr_info[c].maxpwr_5gl; a1[c] = sprom->core_pwr_info[c].pa_5gl[0]; b0[c] = sprom->core_pwr_info[c].pa_5gl[1]; b1[c] = sprom->core_pwr_info[c].pa_5gl[2]; } } else if (freq >= 5100 && freq < 5500) { for (c = 0; c < 2; c++) { idle[c] = nphy->pwr_ctl_info[c].idle_tssi_5g; target[c] = sprom->core_pwr_info[c].maxpwr_5g; a1[c] = sprom->core_pwr_info[c].pa_5g[0]; b0[c] = sprom->core_pwr_info[c].pa_5g[1]; b1[c] = sprom->core_pwr_info[c].pa_5g[2]; } } else if (freq >= 5500) { for (c = 0; c < 2; c++) { idle[c] = nphy->pwr_ctl_info[c].idle_tssi_5g; target[c] = sprom->core_pwr_info[c].maxpwr_5gh; a1[c] = sprom->core_pwr_info[c].pa_5gh[0]; b0[c] = sprom->core_pwr_info[c].pa_5gh[1]; b1[c] = sprom->core_pwr_info[c].pa_5gh[2]; } } else { idle[0] = nphy->pwr_ctl_info[0].idle_tssi_5g; idle[1] = nphy->pwr_ctl_info[1].idle_tssi_5g; target[0] = target[1] = 52; a1[0] = a1[1] = -424; b0[0] = b0[1] = 5612; b1[0] = b1[1] = -1393; } } ppr_max = b43_ppr_get_max(dev, &nphy->tx_pwr_max_ppr); if (ppr_max) { target[0] = ppr_max; target[1] = ppr_max; } if (dev->phy.rev >= 3) { if (sprom->fem.ghz2.tssipos) b43_phy_set(dev, B43_NPHY_TXPCTL_ITSSI, 0x4000); if (dev->phy.rev >= 7) { for (c = 0; c < 2; c++) { r = c ? 0x190 : 0x170; if (b43_nphy_ipa(dev)) b43_radio_write(dev, r + 0x9, (b43_current_band(dev->wl) == NL80211_BAND_2GHZ) ? 0xE : 0xC); } } else { if (b43_nphy_ipa(dev)) { tmp = (b43_current_band(dev->wl) == NL80211_BAND_5GHZ) ? 0xC : 0xE; b43_radio_write(dev, B2056_TX0 | B2056_TX_TX_SSI_MUX, tmp); b43_radio_write(dev, B2056_TX1 | B2056_TX_TX_SSI_MUX, tmp); } else { b43_radio_write(dev, B2056_TX0 | B2056_TX_TX_SSI_MUX, 0x11); b43_radio_write(dev, B2056_TX1 | B2056_TX_TX_SSI_MUX, 0x11); } } } if (dev->dev->core_rev == 11 || dev->dev->core_rev == 12) { b43_maskset32(dev, B43_MMIO_MACCTL, ~0, 0x200000); b43_read32(dev, B43_MMIO_MACCTL); udelay(1); } if (phy->rev >= 19) { /* TODO */ } else if (phy->rev >= 7) { b43_phy_maskset(dev, B43_NPHY_TXPCTL_CMD, ~B43_NPHY_TXPCTL_CMD_INIT, 0x19); b43_phy_maskset(dev, B43_NPHY_TXPCTL_INIT, ~B43_NPHY_TXPCTL_INIT_PIDXI1, 0x19); } else { b43_phy_maskset(dev, B43_NPHY_TXPCTL_CMD, ~B43_NPHY_TXPCTL_CMD_INIT, 0x40); if (dev->phy.rev > 1) b43_phy_maskset(dev, B43_NPHY_TXPCTL_INIT, ~B43_NPHY_TXPCTL_INIT_PIDXI1, 0x40); } if (dev->dev->core_rev == 11 || dev->dev->core_rev == 12) b43_maskset32(dev, B43_MMIO_MACCTL, ~0x200000, 0); b43_phy_write(dev, B43_NPHY_TXPCTL_N, 0xF0 << B43_NPHY_TXPCTL_N_TSSID_SHIFT | 3 << B43_NPHY_TXPCTL_N_NPTIL2_SHIFT); b43_phy_write(dev, B43_NPHY_TXPCTL_ITSSI, idle[0] << B43_NPHY_TXPCTL_ITSSI_0_SHIFT | idle[1] << B43_NPHY_TXPCTL_ITSSI_1_SHIFT | B43_NPHY_TXPCTL_ITSSI_BINF); b43_phy_write(dev, B43_NPHY_TXPCTL_TPWR, target[0] << B43_NPHY_TXPCTL_TPWR_0_SHIFT | target[1] << B43_NPHY_TXPCTL_TPWR_1_SHIFT); for (c = 0; c < 2; c++) { for (i = 0; i < 64; i++) { num = 8 * (16 * b0[c] + b1[c] * i); den = 32768 + a1[c] * i; pwr = max((4 * num + den / 2) / den, -8); if (dev->phy.rev < 3 && (i <= (31 - idle[c] + 1))) pwr = max(pwr, target[c] + 1); regval[i] = pwr; } b43_ntab_write_bulk(dev, B43_NTAB32(26 + c, 0), 64, regval); } b43_nphy_tx_prepare_adjusted_power_table(dev); b43_ntab_write_bulk(dev, B43_NTAB16(26, 64), 84, nphy->adj_pwr_tbl); b43_ntab_write_bulk(dev, B43_NTAB16(27, 64), 84, nphy->adj_pwr_tbl); if (nphy->hang_avoid) b43_nphy_stay_in_carrier_search(dev, false); } static void b43_nphy_tx_gain_table_upload(struct b43_wldev *dev) { struct b43_phy *phy = &dev->phy; const u32 *table = NULL; u32 rfpwr_offset; u8 pga_gain, pad_gain; int i; const s16 *rf_pwr_offset_table = NULL; table = b43_nphy_get_tx_gain_table(dev); if (!table) return; b43_ntab_write_bulk(dev, B43_NTAB32(26, 192), 128, table); b43_ntab_write_bulk(dev, B43_NTAB32(27, 192), 128, table); if (phy->rev < 3) return; #if 0 nphy->gmval = (table[0] >> 16) & 0x7000; #endif if (phy->rev >= 19) { return; } else if (phy->rev >= 7) { rf_pwr_offset_table = b43_ntab_get_rf_pwr_offset_table(dev); if (!rf_pwr_offset_table) return; /* TODO: Enable this once we have gains configured */ return; } for (i = 0; i < 128; i++) { if (phy->rev >= 19) { /* TODO */ return; } else if (phy->rev >= 7) { pga_gain = (table[i] >> 24) & 0xf; pad_gain = (table[i] >> 19) & 0x1f; if (b43_current_band(dev->wl) == NL80211_BAND_2GHZ) rfpwr_offset = rf_pwr_offset_table[pad_gain]; else rfpwr_offset = rf_pwr_offset_table[pga_gain]; } else { pga_gain = (table[i] >> 24) & 0xF; if (b43_current_band(dev->wl) == NL80211_BAND_2GHZ) rfpwr_offset = b43_ntab_papd_pga_gain_delta_ipa_2g[pga_gain]; else rfpwr_offset = 0; /* FIXME */ } b43_ntab_write(dev, B43_NTAB32(26, 576 + i), rfpwr_offset); b43_ntab_write(dev, B43_NTAB32(27, 576 + i), rfpwr_offset); } } /* https://bcm-v4.sipsolutions.net/802.11/PHY/N/PA%20override */ static void b43_nphy_pa_override(struct b43_wldev *dev, bool enable) { struct b43_phy_n *nphy = dev->phy.n; enum nl80211_band band; u16 tmp; if (!enable) { nphy->rfctrl_intc1_save = b43_phy_read(dev, B43_NPHY_RFCTL_INTC1); nphy->rfctrl_intc2_save = b43_phy_read(dev, B43_NPHY_RFCTL_INTC2); band = b43_current_band(dev->wl); if (dev->phy.rev >= 7) { tmp = 0x1480; } else if (dev->phy.rev >= 3) { if (band == NL80211_BAND_5GHZ) tmp = 0x600; else tmp = 0x480; } else { if (band == NL80211_BAND_5GHZ) tmp = 0x180; else tmp = 0x120; } b43_phy_write(dev, B43_NPHY_RFCTL_INTC1, tmp); b43_phy_write(dev, B43_NPHY_RFCTL_INTC2, tmp); } else { b43_phy_write(dev, B43_NPHY_RFCTL_INTC1, nphy->rfctrl_intc1_save); b43_phy_write(dev, B43_NPHY_RFCTL_INTC2, nphy->rfctrl_intc2_save); } } /* * TX low-pass filter bandwidth setup * https://bcm-v4.sipsolutions.net/802.11/PHY/N/TxLpFbw */ static void b43_nphy_tx_lpf_bw(struct b43_wldev *dev) { u16 tmp; if (dev->phy.rev < 3 || dev->phy.rev >= 7) return; if (b43_nphy_ipa(dev)) tmp = b43_is_40mhz(dev) ? 5 : 4; else tmp = b43_is_40mhz(dev) ? 3 : 1; b43_phy_write(dev, B43_NPHY_TXF_40CO_B32S2, (tmp << 9) | (tmp << 6) | (tmp << 3) | tmp); if (b43_nphy_ipa(dev)) { tmp = b43_is_40mhz(dev) ? 4 : 1; b43_phy_write(dev, B43_NPHY_TXF_40CO_B1S2, (tmp << 9) | (tmp << 6) | (tmp << 3) | tmp); } } /* https://bcm-v4.sipsolutions.net/802.11/PHY/N/RxIqEst */ static void b43_nphy_rx_iq_est(struct b43_wldev *dev, struct nphy_iq_est *est, u16 samps, u8 time, bool wait) { int i; u16 tmp; b43_phy_write(dev, B43_NPHY_IQEST_SAMCNT, samps); b43_phy_maskset(dev, B43_NPHY_IQEST_WT, ~B43_NPHY_IQEST_WT_VAL, time); if (wait) b43_phy_set(dev, B43_NPHY_IQEST_CMD, B43_NPHY_IQEST_CMD_MODE); else b43_phy_mask(dev, B43_NPHY_IQEST_CMD, ~B43_NPHY_IQEST_CMD_MODE); b43_phy_set(dev, B43_NPHY_IQEST_CMD, B43_NPHY_IQEST_CMD_START); for (i = 1000; i; i--) { tmp = b43_phy_read(dev, B43_NPHY_IQEST_CMD); if (!(tmp & B43_NPHY_IQEST_CMD_START)) { est->i0_pwr = (b43_phy_read(dev, B43_NPHY_IQEST_IPACC_HI0) << 16) | b43_phy_read(dev, B43_NPHY_IQEST_IPACC_LO0); est->q0_pwr = (b43_phy_read(dev, B43_NPHY_IQEST_QPACC_HI0) << 16) | b43_phy_read(dev, B43_NPHY_IQEST_QPACC_LO0); est->iq0_prod = (b43_phy_read(dev, B43_NPHY_IQEST_IQACC_HI0) << 16) | b43_phy_read(dev, B43_NPHY_IQEST_IQACC_LO0); est->i1_pwr = (b43_phy_read(dev, B43_NPHY_IQEST_IPACC_HI1) << 16) | b43_phy_read(dev, B43_NPHY_IQEST_IPACC_LO1); est->q1_pwr = (b43_phy_read(dev, B43_NPHY_IQEST_QPACC_HI1) << 16) | b43_phy_read(dev, B43_NPHY_IQEST_QPACC_LO1); est->iq1_prod = (b43_phy_read(dev, B43_NPHY_IQEST_IQACC_HI1) << 16) | b43_phy_read(dev, B43_NPHY_IQEST_IQACC_LO1); return; } udelay(10); } memset(est, 0, sizeof(*est)); } /* https://bcm-v4.sipsolutions.net/802.11/PHY/N/RxIqCoeffs */ static void b43_nphy_rx_iq_coeffs(struct b43_wldev *dev, bool write, struct b43_phy_n_iq_comp *pcomp) { if (write) { b43_phy_write(dev, B43_NPHY_C1_RXIQ_COMPA0, pcomp->a0); b43_phy_write(dev, B43_NPHY_C1_RXIQ_COMPB0, pcomp->b0); b43_phy_write(dev, B43_NPHY_C2_RXIQ_COMPA1, pcomp->a1); b43_phy_write(dev, B43_NPHY_C2_RXIQ_COMPB1, pcomp->b1); } else { pcomp->a0 = b43_phy_read(dev, B43_NPHY_C1_RXIQ_COMPA0); pcomp->b0 = b43_phy_read(dev, B43_NPHY_C1_RXIQ_COMPB0); pcomp->a1 = b43_phy_read(dev, B43_NPHY_C2_RXIQ_COMPA1); pcomp->b1 = b43_phy_read(dev, B43_NPHY_C2_RXIQ_COMPB1); } } #if 0 /* Ready but not used anywhere */ /* https://bcm-v4.sipsolutions.net/802.11/PHY/N/RxCalPhyCleanup */ static void b43_nphy_rx_cal_phy_cleanup(struct b43_wldev *dev, u8 core) { u16 *regs = dev->phy.n->tx_rx_cal_phy_saveregs; b43_phy_write(dev, B43_NPHY_RFSEQCA, regs[0]); if (core == 0) { b43_phy_write(dev, B43_NPHY_AFECTL_C1, regs[1]); b43_phy_write(dev, B43_NPHY_AFECTL_OVER1, regs[2]); } else { b43_phy_write(dev, B43_NPHY_AFECTL_C2, regs[1]); b43_phy_write(dev, B43_NPHY_AFECTL_OVER, regs[2]); } b43_phy_write(dev, B43_NPHY_RFCTL_INTC1, regs[3]); b43_phy_write(dev, B43_NPHY_RFCTL_INTC2, regs[4]); b43_phy_write(dev, B43_NPHY_RFCTL_RSSIO1, regs[5]); b43_phy_write(dev, B43_NPHY_RFCTL_RSSIO2, regs[6]); b43_phy_write(dev, B43_NPHY_TXF_40CO_B1S1, regs[7]); b43_phy_write(dev, B43_NPHY_RFCTL_OVER, regs[8]); b43_phy_write(dev, B43_NPHY_PAPD_EN0, regs[9]); b43_phy_write(dev, B43_NPHY_PAPD_EN1, regs[10]); } /* https://bcm-v4.sipsolutions.net/802.11/PHY/N/RxCalPhySetup */ static void b43_nphy_rx_cal_phy_setup(struct b43_wldev *dev, u8 core) { u8 rxval, txval; u16 *regs = dev->phy.n->tx_rx_cal_phy_saveregs; regs[0] = b43_phy_read(dev, B43_NPHY_RFSEQCA); if (core == 0) { regs[1] = b43_phy_read(dev, B43_NPHY_AFECTL_C1); regs[2] = b43_phy_read(dev, B43_NPHY_AFECTL_OVER1); } else { regs[1] = b43_phy_read(dev, B43_NPHY_AFECTL_C2); regs[2] = b43_phy_read(dev, B43_NPHY_AFECTL_OVER); } regs[3] = b43_phy_read(dev, B43_NPHY_RFCTL_INTC1); regs[4] = b43_phy_read(dev, B43_NPHY_RFCTL_INTC2); regs[5] = b43_phy_read(dev, B43_NPHY_RFCTL_RSSIO1); regs[6] = b43_phy_read(dev, B43_NPHY_RFCTL_RSSIO2); regs[7] = b43_phy_read(dev, B43_NPHY_TXF_40CO_B1S1); regs[8] = b43_phy_read(dev, B43_NPHY_RFCTL_OVER); regs[9] = b43_phy_read(dev, B43_NPHY_PAPD_EN0); regs[10] = b43_phy_read(dev, B43_NPHY_PAPD_EN1); b43_phy_mask(dev, B43_NPHY_PAPD_EN0, ~0x0001); b43_phy_mask(dev, B43_NPHY_PAPD_EN1, ~0x0001); b43_phy_maskset(dev, B43_NPHY_RFSEQCA, ~B43_NPHY_RFSEQCA_RXDIS & 0xFFFF, ((1 - core) << B43_NPHY_RFSEQCA_RXDIS_SHIFT)); b43_phy_maskset(dev, B43_NPHY_RFSEQCA, ~B43_NPHY_RFSEQCA_TXEN, ((1 - core) << B43_NPHY_RFSEQCA_TXEN_SHIFT)); b43_phy_maskset(dev, B43_NPHY_RFSEQCA, ~B43_NPHY_RFSEQCA_RXEN, (core << B43_NPHY_RFSEQCA_RXEN_SHIFT)); b43_phy_maskset(dev, B43_NPHY_RFSEQCA, ~B43_NPHY_RFSEQCA_TXDIS, (core << B43_NPHY_RFSEQCA_TXDIS_SHIFT)); if (core == 0) { b43_phy_mask(dev, B43_NPHY_AFECTL_C1, ~0x0007); b43_phy_set(dev, B43_NPHY_AFECTL_OVER1, 0x0007); } else { b43_phy_mask(dev, B43_NPHY_AFECTL_C2, ~0x0007); b43_phy_set(dev, B43_NPHY_AFECTL_OVER, 0x0007); } b43_nphy_rf_ctl_intc_override(dev, N_INTC_OVERRIDE_PA, 0, 3); b43_nphy_rf_ctl_override(dev, 8, 0, 3, false); b43_nphy_force_rf_sequence(dev, B43_RFSEQ_RX2TX); if (core == 0) { rxval = 1; txval = 8; } else { rxval = 4; txval = 2; } b43_nphy_rf_ctl_intc_override(dev, N_INTC_OVERRIDE_TRSW, rxval, core + 1); b43_nphy_rf_ctl_intc_override(dev, N_INTC_OVERRIDE_TRSW, txval, 2 - core); } #endif /* https://bcm-v4.sipsolutions.net/802.11/PHY/N/CalcRxIqComp */ static void b43_nphy_calc_rx_iq_comp(struct b43_wldev *dev, u8 mask) { int i; s32 iq; u32 ii; u32 qq; int iq_nbits, qq_nbits; int arsh, brsh; u16 tmp, a, b; struct nphy_iq_est est; struct b43_phy_n_iq_comp old; struct b43_phy_n_iq_comp new = { }; bool error = false; if (mask == 0) return; b43_nphy_rx_iq_coeffs(dev, false, &old); b43_nphy_rx_iq_coeffs(dev, true, &new); b43_nphy_rx_iq_est(dev, &est, 0x4000, 32, false); new = old; for (i = 0; i < 2; i++) { if (i == 0 && (mask & 1)) { iq = est.iq0_prod; ii = est.i0_pwr; qq = est.q0_pwr; } else if (i == 1 && (mask & 2)) { iq = est.iq1_prod; ii = est.i1_pwr; qq = est.q1_pwr; } else { continue; } if (ii + qq < 2) { error = true; break; } iq_nbits = fls(abs(iq)); qq_nbits = fls(qq); arsh = iq_nbits - 20; if (arsh >= 0) { a = -((iq << (30 - iq_nbits)) + (ii >> (1 + arsh))); tmp = ii >> arsh; } else { a = -((iq << (30 - iq_nbits)) + (ii << (-1 - arsh))); tmp = ii << -arsh; } if (tmp == 0) { error = true; break; } a /= tmp; brsh = qq_nbits - 11; if (brsh >= 0) { b = (qq << (31 - qq_nbits)); tmp = ii >> brsh; } else { b = (qq << (31 - qq_nbits)); tmp = ii << -brsh; } if (tmp == 0) { error = true; break; } b = int_sqrt(b / tmp - a * a) - (1 << 10); if (i == 0 && (mask & 0x1)) { if (dev->phy.rev >= 3) { new.a0 = a & 0x3FF; new.b0 = b & 0x3FF; } else { new.a0 = b & 0x3FF; new.b0 = a & 0x3FF; } } else if (i == 1 && (mask & 0x2)) { if (dev->phy.rev >= 3) { new.a1 = a & 0x3FF; new.b1 = b & 0x3FF; } else { new.a1 = b & 0x3FF; new.b1 = a & 0x3FF; } } } if (error) new = old; b43_nphy_rx_iq_coeffs(dev, true, &new); } /* https://bcm-v4.sipsolutions.net/802.11/PHY/N/TxIqWar */ static void b43_nphy_tx_iq_workaround(struct b43_wldev *dev) { u16 array[4]; b43_ntab_read_bulk(dev, B43_NTAB16(0xF, 0x50), 4, array); b43_shm_write16(dev, B43_SHM_SHARED, B43_SHM_SH_NPHY_TXIQW0, array[0]); b43_shm_write16(dev, B43_SHM_SHARED, B43_SHM_SH_NPHY_TXIQW1, array[1]); b43_shm_write16(dev, B43_SHM_SHARED, B43_SHM_SH_NPHY_TXIQW2, array[2]); b43_shm_write16(dev, B43_SHM_SHARED, B43_SHM_SH_NPHY_TXIQW3, array[3]); } /* https://bcm-v4.sipsolutions.net/802.11/PHY/N/SpurWar */ static void b43_nphy_spur_workaround(struct b43_wldev *dev) { struct b43_phy_n *nphy = dev->phy.n; B43_WARN_ON(dev->phy.rev < 3); if (nphy->hang_avoid) b43_nphy_stay_in_carrier_search(dev, 1); if (nphy->hang_avoid) b43_nphy_stay_in_carrier_search(dev, 0); } /* https://bcm-v4.sipsolutions.net/802.11/PHY/N/TxPwrCtrlCoefSetup */ static void b43_nphy_tx_pwr_ctrl_coef_setup(struct b43_wldev *dev) { struct b43_phy_n *nphy = dev->phy.n; int i, j; u32 tmp; u32 cur_real, cur_imag, real_part, imag_part; u16 buffer[7]; if (nphy->hang_avoid) b43_nphy_stay_in_carrier_search(dev, true); b43_ntab_read_bulk(dev, B43_NTAB16(15, 80), 7, buffer); for (i = 0; i < 2; i++) { tmp = ((buffer[i * 2] & 0x3FF) << 10) | (buffer[i * 2 + 1] & 0x3FF); b43_phy_write(dev, B43_NPHY_TABLE_ADDR, (((i + 26) << 10) | 320)); for (j = 0; j < 128; j++) { b43_phy_write(dev, B43_NPHY_TABLE_DATAHI, ((tmp >> 16) & 0xFFFF)); b43_phy_write(dev, B43_NPHY_TABLE_DATALO, (tmp & 0xFFFF)); } } for (i = 0; i < 2; i++) { tmp = buffer[5 + i]; real_part = (tmp >> 8) & 0xFF; imag_part = (tmp & 0xFF); b43_phy_write(dev, B43_NPHY_TABLE_ADDR, (((i + 26) << 10) | 448)); if (dev->phy.rev >= 3) { cur_real = real_part; cur_imag = imag_part; tmp = ((cur_real & 0xFF) << 8) | (cur_imag & 0xFF); } for (j = 0; j < 128; j++) { if (dev->phy.rev < 3) { cur_real = (real_part * loscale[j] + 128) >> 8; cur_imag = (imag_part * loscale[j] + 128) >> 8; tmp = ((cur_real & 0xFF) << 8) | (cur_imag & 0xFF); } b43_phy_write(dev, B43_NPHY_TABLE_DATAHI, ((tmp >> 16) & 0xFFFF)); b43_phy_write(dev, B43_NPHY_TABLE_DATALO, (tmp & 0xFFFF)); } } if (dev->phy.rev >= 3) { b43_shm_write16(dev, B43_SHM_SHARED, B43_SHM_SH_NPHY_TXPWR_INDX0, 0xFFFF); b43_shm_write16(dev, B43_SHM_SHARED, B43_SHM_SH_NPHY_TXPWR_INDX1, 0xFFFF); } if (nphy->hang_avoid) b43_nphy_stay_in_carrier_search(dev, false); } /* * Restore RSSI Calibration * https://bcm-v4.sipsolutions.net/802.11/PHY/N/RestoreRssiCal */ static void b43_nphy_restore_rssi_cal(struct b43_wldev *dev) { struct b43_phy_n *nphy = dev->phy.n; u16 *rssical_radio_regs = NULL; u16 *rssical_phy_regs = NULL; if (b43_current_band(dev->wl) == NL80211_BAND_2GHZ) { if (!nphy->rssical_chanspec_2G.center_freq) return; rssical_radio_regs = nphy->rssical_cache.rssical_radio_regs_2G; rssical_phy_regs = nphy->rssical_cache.rssical_phy_regs_2G; } else { if (!nphy->rssical_chanspec_5G.center_freq) return; rssical_radio_regs = nphy->rssical_cache.rssical_radio_regs_5G; rssical_phy_regs = nphy->rssical_cache.rssical_phy_regs_5G; } if (dev->phy.rev >= 19) { /* TODO */ } else if (dev->phy.rev >= 7) { b43_radio_maskset(dev, R2057_NB_MASTER_CORE0, ~R2057_VCM_MASK, rssical_radio_regs[0]); b43_radio_maskset(dev, R2057_NB_MASTER_CORE1, ~R2057_VCM_MASK, rssical_radio_regs[1]); } else { b43_radio_maskset(dev, B2056_RX0 | B2056_RX_RSSI_MISC, 0xE3, rssical_radio_regs[0]); b43_radio_maskset(dev, B2056_RX1 | B2056_RX_RSSI_MISC, 0xE3, rssical_radio_regs[1]); } b43_phy_write(dev, B43_NPHY_RSSIMC_0I_RSSI_Z, rssical_phy_regs[0]); b43_phy_write(dev, B43_NPHY_RSSIMC_0Q_RSSI_Z, rssical_phy_regs[1]); b43_phy_write(dev, B43_NPHY_RSSIMC_1I_RSSI_Z, rssical_phy_regs[2]); b43_phy_write(dev, B43_NPHY_RSSIMC_1Q_RSSI_Z, rssical_phy_regs[3]); b43_phy_write(dev, B43_NPHY_RSSIMC_0I_RSSI_X, rssical_phy_regs[4]); b43_phy_write(dev, B43_NPHY_RSSIMC_0Q_RSSI_X, rssical_phy_regs[5]); b43_phy_write(dev, B43_NPHY_RSSIMC_1I_RSSI_X, rssical_phy_regs[6]); b43_phy_write(dev, B43_NPHY_RSSIMC_1Q_RSSI_X, rssical_phy_regs[7]); b43_phy_write(dev, B43_NPHY_RSSIMC_0I_RSSI_Y, rssical_phy_regs[8]); b43_phy_write(dev, B43_NPHY_RSSIMC_0Q_RSSI_Y, rssical_phy_regs[9]); b43_phy_write(dev, B43_NPHY_RSSIMC_1I_RSSI_Y, rssical_phy_regs[10]); b43_phy_write(dev, B43_NPHY_RSSIMC_1Q_RSSI_Y, rssical_phy_regs[11]); } static void b43_nphy_tx_cal_radio_setup_rev19(struct b43_wldev *dev) { /* TODO */ } static void b43_nphy_tx_cal_radio_setup_rev7(struct b43_wldev *dev) { struct b43_phy *phy = &dev->phy; struct b43_phy_n *nphy = dev->phy.n; u16 *save = nphy->tx_rx_cal_radio_saveregs; int core, off; u16 r, tmp; for (core = 0; core < 2; core++) { r = core ? 0x20 : 0; off = core * 11; save[off + 0] = b43_radio_read(dev, r + R2057_TX0_TX_SSI_MASTER); save[off + 1] = b43_radio_read(dev, r + R2057_TX0_IQCAL_VCM_HG); save[off + 2] = b43_radio_read(dev, r + R2057_TX0_IQCAL_IDAC); save[off + 3] = b43_radio_read(dev, r + R2057_TX0_TSSI_VCM); save[off + 4] = 0; save[off + 5] = b43_radio_read(dev, r + R2057_TX0_TX_SSI_MUX); if (phy->radio_rev != 5) save[off + 6] = b43_radio_read(dev, r + R2057_TX0_TSSIA); save[off + 7] = b43_radio_read(dev, r + R2057_TX0_TSSIG); save[off + 8] = b43_radio_read(dev, r + R2057_TX0_TSSI_MISC1); if (b43_current_band(dev->wl) == NL80211_BAND_5GHZ) { b43_radio_write(dev, r + R2057_TX0_TX_SSI_MASTER, 0xA); b43_radio_write(dev, r + R2057_TX0_IQCAL_VCM_HG, 0x43); b43_radio_write(dev, r + R2057_TX0_IQCAL_IDAC, 0x55); b43_radio_write(dev, r + R2057_TX0_TSSI_VCM, 0); b43_radio_write(dev, r + R2057_TX0_TSSIG, 0); if (nphy->use_int_tx_iq_lo_cal) { b43_radio_write(dev, r + R2057_TX0_TX_SSI_MUX, 0x4); tmp = true ? 0x31 : 0x21; /* TODO */ b43_radio_write(dev, r + R2057_TX0_TSSIA, tmp); } b43_radio_write(dev, r + R2057_TX0_TSSI_MISC1, 0x00); } else { b43_radio_write(dev, r + R2057_TX0_TX_SSI_MASTER, 0x6); b43_radio_write(dev, r + R2057_TX0_IQCAL_VCM_HG, 0x43); b43_radio_write(dev, r + R2057_TX0_IQCAL_IDAC, 0x55); b43_radio_write(dev, r + R2057_TX0_TSSI_VCM, 0); if (phy->radio_rev != 5) b43_radio_write(dev, r + R2057_TX0_TSSIA, 0); if (nphy->use_int_tx_iq_lo_cal) { b43_radio_write(dev, r + R2057_TX0_TX_SSI_MUX, 0x6); tmp = true ? 0x31 : 0x21; /* TODO */ b43_radio_write(dev, r + R2057_TX0_TSSIG, tmp); } b43_radio_write(dev, r + R2057_TX0_TSSI_MISC1, 0); } } } /* https://bcm-v4.sipsolutions.net/802.11/PHY/N/TxCalRadioSetup */ static void b43_nphy_tx_cal_radio_setup(struct b43_wldev *dev) { struct b43_phy *phy = &dev->phy; struct b43_phy_n *nphy = dev->phy.n; u16 *save = nphy->tx_rx_cal_radio_saveregs; u16 tmp; u8 offset, i; if (phy->rev >= 19) { b43_nphy_tx_cal_radio_setup_rev19(dev); } else if (phy->rev >= 7) { b43_nphy_tx_cal_radio_setup_rev7(dev); } else if (phy->rev >= 3) { for (i = 0; i < 2; i++) { tmp = (i == 0) ? 0x2000 : 0x3000; offset = i * 11; save[offset + 0] = b43_radio_read(dev, B2055_CAL_RVARCTL); save[offset + 1] = b43_radio_read(dev, B2055_CAL_LPOCTL); save[offset + 2] = b43_radio_read(dev, B2055_CAL_TS); save[offset + 3] = b43_radio_read(dev, B2055_CAL_RCCALRTS); save[offset + 4] = b43_radio_read(dev, B2055_CAL_RCALRTS); save[offset + 5] = b43_radio_read(dev, B2055_PADDRV); save[offset + 6] = b43_radio_read(dev, B2055_XOCTL1); save[offset + 7] = b43_radio_read(dev, B2055_XOCTL2); save[offset + 8] = b43_radio_read(dev, B2055_XOREGUL); save[offset + 9] = b43_radio_read(dev, B2055_XOMISC); save[offset + 10] = b43_radio_read(dev, B2055_PLL_LFC1); if (b43_current_band(dev->wl) == NL80211_BAND_5GHZ) { b43_radio_write(dev, tmp | B2055_CAL_RVARCTL, 0x0A); b43_radio_write(dev, tmp | B2055_CAL_LPOCTL, 0x40); b43_radio_write(dev, tmp | B2055_CAL_TS, 0x55); b43_radio_write(dev, tmp | B2055_CAL_RCCALRTS, 0); b43_radio_write(dev, tmp | B2055_CAL_RCALRTS, 0); if (nphy->ipa5g_on) { b43_radio_write(dev, tmp | B2055_PADDRV, 4); b43_radio_write(dev, tmp | B2055_XOCTL1, 1); } else { b43_radio_write(dev, tmp | B2055_PADDRV, 0); b43_radio_write(dev, tmp | B2055_XOCTL1, 0x2F); } b43_radio_write(dev, tmp | B2055_XOCTL2, 0); } else { b43_radio_write(dev, tmp | B2055_CAL_RVARCTL, 0x06); b43_radio_write(dev, tmp | B2055_CAL_LPOCTL, 0x40); b43_radio_write(dev, tmp | B2055_CAL_TS, 0x55); b43_radio_write(dev, tmp | B2055_CAL_RCCALRTS, 0); b43_radio_write(dev, tmp | B2055_CAL_RCALRTS, 0); b43_radio_write(dev, tmp | B2055_XOCTL1, 0); if (nphy->ipa2g_on) { b43_radio_write(dev, tmp | B2055_PADDRV, 6); b43_radio_write(dev, tmp | B2055_XOCTL2, (dev->phy.rev < 5) ? 0x11 : 0x01); } else { b43_radio_write(dev, tmp | B2055_PADDRV, 0); b43_radio_write(dev, tmp | B2055_XOCTL2, 0); } } b43_radio_write(dev, tmp | B2055_XOREGUL, 0); b43_radio_write(dev, tmp | B2055_XOMISC, 0); b43_radio_write(dev, tmp | B2055_PLL_LFC1, 0); } } else { save[0] = b43_radio_read(dev, B2055_C1_TX_RF_IQCAL1); b43_radio_write(dev, B2055_C1_TX_RF_IQCAL1, 0x29); save[1] = b43_radio_read(dev, B2055_C1_TX_RF_IQCAL2); b43_radio_write(dev, B2055_C1_TX_RF_IQCAL2, 0x54); save[2] = b43_radio_read(dev, B2055_C2_TX_RF_IQCAL1); b43_radio_write(dev, B2055_C2_TX_RF_IQCAL1, 0x29); save[3] = b43_radio_read(dev, B2055_C2_TX_RF_IQCAL2); b43_radio_write(dev, B2055_C2_TX_RF_IQCAL2, 0x54); save[3] = b43_radio_read(dev, B2055_C1_PWRDET_RXTX); save[4] = b43_radio_read(dev, B2055_C2_PWRDET_RXTX); if (!(b43_phy_read(dev, B43_NPHY_BANDCTL) & B43_NPHY_BANDCTL_5GHZ)) { b43_radio_write(dev, B2055_C1_PWRDET_RXTX, 0x04); b43_radio_write(dev, B2055_C2_PWRDET_RXTX, 0x04); } else { b43_radio_write(dev, B2055_C1_PWRDET_RXTX, 0x20); b43_radio_write(dev, B2055_C2_PWRDET_RXTX, 0x20); } if (dev->phy.rev < 2) { b43_radio_set(dev, B2055_C1_TX_BB_MXGM, 0x20); b43_radio_set(dev, B2055_C2_TX_BB_MXGM, 0x20); } else { b43_radio_mask(dev, B2055_C1_TX_BB_MXGM, ~0x20); b43_radio_mask(dev, B2055_C2_TX_BB_MXGM, ~0x20); } } } /* https://bcm-v4.sipsolutions.net/802.11/PHY/N/UpdateTxCalLadder */ static void b43_nphy_update_tx_cal_ladder(struct b43_wldev *dev, u16 core) { struct b43_phy_n *nphy = dev->phy.n; int i; u16 scale, entry; u16 tmp = nphy->txcal_bbmult; if (core == 0) tmp >>= 8; tmp &= 0xff; for (i = 0; i < 18; i++) { scale = (ladder_lo[i].percent * tmp) / 100; entry = ((scale & 0xFF) << 8) | ladder_lo[i].g_env; b43_ntab_write(dev, B43_NTAB16(15, i), entry); scale = (ladder_iq[i].percent * tmp) / 100; entry = ((scale & 0xFF) << 8) | ladder_iq[i].g_env; b43_ntab_write(dev, B43_NTAB16(15, i + 32), entry); } } static void b43_nphy_pa_set_tx_dig_filter(struct b43_wldev *dev, u16 offset, const s16 *filter) { int i; offset = B43_PHY_N(offset); for (i = 0; i < 15; i++, offset++) b43_phy_write(dev, offset, filter[i]); } /* https://bcm-v4.sipsolutions.net/802.11/PHY/N/ExtPaSetTxDigiFilts */ static void b43_nphy_ext_pa_set_tx_dig_filters(struct b43_wldev *dev) { b43_nphy_pa_set_tx_dig_filter(dev, 0x2C5, tbl_tx_filter_coef_rev4[2]); } /* https://bcm-v4.sipsolutions.net/802.11/PHY/N/IpaSetTxDigiFilts */ static void b43_nphy_int_pa_set_tx_dig_filters(struct b43_wldev *dev) { /* B43_NPHY_TXF_20CO_S0A1, B43_NPHY_TXF_40CO_S0A1, unknown */ static const u16 offset[] = { 0x186, 0x195, 0x2C5 }; static const s16 dig_filter_phy_rev16[] = { -375, 136, -407, 208, -1527, 956, 93, 186, 93, 230, -44, 230, 201, -191, 201, }; int i; for (i = 0; i < 3; i++) b43_nphy_pa_set_tx_dig_filter(dev, offset[i], tbl_tx_filter_coef_rev4[i]); /* Verified with BCM43227 and BCM43228 */ if (dev->phy.rev == 16) b43_nphy_pa_set_tx_dig_filter(dev, 0x186, dig_filter_phy_rev16); /* Verified with BCM43131 and BCM43217 */ if (dev->phy.rev == 17) { b43_nphy_pa_set_tx_dig_filter(dev, 0x186, dig_filter_phy_rev16); b43_nphy_pa_set_tx_dig_filter(dev, 0x195, tbl_tx_filter_coef_rev4[1]); } if (b43_is_40mhz(dev)) { b43_nphy_pa_set_tx_dig_filter(dev, 0x186, tbl_tx_filter_coef_rev4[3]); } else { if (b43_current_band(dev->wl) == NL80211_BAND_5GHZ) b43_nphy_pa_set_tx_dig_filter(dev, 0x186, tbl_tx_filter_coef_rev4[5]); if (dev->phy.channel == 14) b43_nphy_pa_set_tx_dig_filter(dev, 0x186, tbl_tx_filter_coef_rev4[6]); } } /* https://bcm-v4.sipsolutions.net/802.11/PHY/N/GetTxGain */ static struct nphy_txgains b43_nphy_get_tx_gains(struct b43_wldev *dev) { struct b43_phy_n *nphy = dev->phy.n; u16 curr_gain[2]; struct nphy_txgains target; const u32 *table = NULL; if (!nphy->txpwrctrl) { int i; if (nphy->hang_avoid) b43_nphy_stay_in_carrier_search(dev, true); b43_ntab_read_bulk(dev, B43_NTAB16(7, 0x110), 2, curr_gain); if (nphy->hang_avoid) b43_nphy_stay_in_carrier_search(dev, false); for (i = 0; i < 2; ++i) { if (dev->phy.rev >= 7) { target.ipa[i] = curr_gain[i] & 0x0007; target.pad[i] = (curr_gain[i] & 0x00F8) >> 3; target.pga[i] = (curr_gain[i] & 0x0F00) >> 8; target.txgm[i] = (curr_gain[i] & 0x7000) >> 12; target.tx_lpf[i] = (curr_gain[i] & 0x8000) >> 15; } else if (dev->phy.rev >= 3) { target.ipa[i] = curr_gain[i] & 0x000F; target.pad[i] = (curr_gain[i] & 0x00F0) >> 4; target.pga[i] = (curr_gain[i] & 0x0F00) >> 8; target.txgm[i] = (curr_gain[i] & 0x7000) >> 12; } else { target.ipa[i] = curr_gain[i] & 0x0003; target.pad[i] = (curr_gain[i] & 0x000C) >> 2; target.pga[i] = (curr_gain[i] & 0x0070) >> 4; target.txgm[i] = (curr_gain[i] & 0x0380) >> 7; } } } else { int i; u16 index[2]; index[0] = (b43_phy_read(dev, B43_NPHY_C1_TXPCTL_STAT) & B43_NPHY_TXPCTL_STAT_BIDX) >> B43_NPHY_TXPCTL_STAT_BIDX_SHIFT; index[1] = (b43_phy_read(dev, B43_NPHY_C2_TXPCTL_STAT) & B43_NPHY_TXPCTL_STAT_BIDX) >> B43_NPHY_TXPCTL_STAT_BIDX_SHIFT; for (i = 0; i < 2; ++i) { table = b43_nphy_get_tx_gain_table(dev); if (!table) break; if (dev->phy.rev >= 7) { target.ipa[i] = (table[index[i]] >> 16) & 0x7; target.pad[i] = (table[index[i]] >> 19) & 0x1F; target.pga[i] = (table[index[i]] >> 24) & 0xF; target.txgm[i] = (table[index[i]] >> 28) & 0x7; target.tx_lpf[i] = (table[index[i]] >> 31) & 0x1; } else if (dev->phy.rev >= 3) { target.ipa[i] = (table[index[i]] >> 16) & 0xF; target.pad[i] = (table[index[i]] >> 20) & 0xF; target.pga[i] = (table[index[i]] >> 24) & 0xF; target.txgm[i] = (table[index[i]] >> 28) & 0xF; } else { target.ipa[i] = (table[index[i]] >> 16) & 0x3; target.pad[i] = (table[index[i]] >> 18) & 0x3; target.pga[i] = (table[index[i]] >> 20) & 0x7; target.txgm[i] = (table[index[i]] >> 23) & 0x7; } } } return target; } /* https://bcm-v4.sipsolutions.net/802.11/PHY/N/TxCalPhyCleanup */ static void b43_nphy_tx_cal_phy_cleanup(struct b43_wldev *dev) { u16 *regs = dev->phy.n->tx_rx_cal_phy_saveregs; if (dev->phy.rev >= 3) { b43_phy_write(dev, B43_NPHY_AFECTL_C1, regs[0]); b43_phy_write(dev, B43_NPHY_AFECTL_C2, regs[1]); b43_phy_write(dev, B43_NPHY_AFECTL_OVER1, regs[2]); b43_phy_write(dev, B43_NPHY_AFECTL_OVER, regs[3]); b43_phy_write(dev, B43_NPHY_BBCFG, regs[4]); b43_ntab_write(dev, B43_NTAB16(8, 3), regs[5]); b43_ntab_write(dev, B43_NTAB16(8, 19), regs[6]); b43_phy_write(dev, B43_NPHY_RFCTL_INTC1, regs[7]); b43_phy_write(dev, B43_NPHY_RFCTL_INTC2, regs[8]); b43_phy_write(dev, B43_NPHY_PAPD_EN0, regs[9]); b43_phy_write(dev, B43_NPHY_PAPD_EN1, regs[10]); b43_nphy_reset_cca(dev); } else { b43_phy_maskset(dev, B43_NPHY_AFECTL_C1, 0x0FFF, regs[0]); b43_phy_maskset(dev, B43_NPHY_AFECTL_C2, 0x0FFF, regs[1]); b43_phy_write(dev, B43_NPHY_AFECTL_OVER, regs[2]); b43_ntab_write(dev, B43_NTAB16(8, 2), regs[3]); b43_ntab_write(dev, B43_NTAB16(8, 18), regs[4]); b43_phy_write(dev, B43_NPHY_RFCTL_INTC1, regs[5]); b43_phy_write(dev, B43_NPHY_RFCTL_INTC2, regs[6]); } } /* https://bcm-v4.sipsolutions.net/802.11/PHY/N/TxCalPhySetup */ static void b43_nphy_tx_cal_phy_setup(struct b43_wldev *dev) { struct b43_phy *phy = &dev->phy; struct b43_phy_n *nphy = dev->phy.n; u16 *regs = dev->phy.n->tx_rx_cal_phy_saveregs; u16 tmp; regs[0] = b43_phy_read(dev, B43_NPHY_AFECTL_C1); regs[1] = b43_phy_read(dev, B43_NPHY_AFECTL_C2); if (dev->phy.rev >= 3) { b43_phy_maskset(dev, B43_NPHY_AFECTL_C1, 0xF0FF, 0x0A00); b43_phy_maskset(dev, B43_NPHY_AFECTL_C2, 0xF0FF, 0x0A00); tmp = b43_phy_read(dev, B43_NPHY_AFECTL_OVER1); regs[2] = tmp; b43_phy_write(dev, B43_NPHY_AFECTL_OVER1, tmp | 0x0600); tmp = b43_phy_read(dev, B43_NPHY_AFECTL_OVER); regs[3] = tmp; b43_phy_write(dev, B43_NPHY_AFECTL_OVER, tmp | 0x0600); regs[4] = b43_phy_read(dev, B43_NPHY_BBCFG); b43_phy_mask(dev, B43_NPHY_BBCFG, ~B43_NPHY_BBCFG_RSTRX & 0xFFFF); tmp = b43_ntab_read(dev, B43_NTAB16(8, 3)); regs[5] = tmp; b43_ntab_write(dev, B43_NTAB16(8, 3), 0); tmp = b43_ntab_read(dev, B43_NTAB16(8, 19)); regs[6] = tmp; b43_ntab_write(dev, B43_NTAB16(8, 19), 0); regs[7] = b43_phy_read(dev, B43_NPHY_RFCTL_INTC1); regs[8] = b43_phy_read(dev, B43_NPHY_RFCTL_INTC2); if (!nphy->use_int_tx_iq_lo_cal) b43_nphy_rf_ctl_intc_override(dev, N_INTC_OVERRIDE_PA, 1, 3); else b43_nphy_rf_ctl_intc_override(dev, N_INTC_OVERRIDE_PA, 0, 3); b43_nphy_rf_ctl_intc_override(dev, N_INTC_OVERRIDE_TRSW, 2, 1); b43_nphy_rf_ctl_intc_override(dev, N_INTC_OVERRIDE_TRSW, 8, 2); regs[9] = b43_phy_read(dev, B43_NPHY_PAPD_EN0); regs[10] = b43_phy_read(dev, B43_NPHY_PAPD_EN1); b43_phy_mask(dev, B43_NPHY_PAPD_EN0, ~0x0001); b43_phy_mask(dev, B43_NPHY_PAPD_EN1, ~0x0001); tmp = b43_nphy_read_lpf_ctl(dev, 0); if (phy->rev >= 19) b43_nphy_rf_ctl_override_rev19(dev, 0x80, tmp, 0, false, 1); else if (phy->rev >= 7) b43_nphy_rf_ctl_override_rev7(dev, 0x80, tmp, 0, false, 1); if (nphy->use_int_tx_iq_lo_cal && true /* FIXME */) { if (phy->rev >= 19) { b43_nphy_rf_ctl_override_rev19(dev, 0x8, 0, 0x3, false, 0); } else if (phy->rev >= 8) { b43_nphy_rf_ctl_override_rev7(dev, 0x8, 0, 0x3, false, 0); } else if (phy->rev == 7) { b43_radio_maskset(dev, R2057_OVR_REG0, 1 << 4, 1 << 4); if (b43_current_band(dev->wl) == NL80211_BAND_2GHZ) { b43_radio_maskset(dev, R2057_PAD2G_TUNE_PUS_CORE0, ~1, 0); b43_radio_maskset(dev, R2057_PAD2G_TUNE_PUS_CORE1, ~1, 0); } else { b43_radio_maskset(dev, R2057_IPA5G_CASCOFFV_PU_CORE0, ~1, 0); b43_radio_maskset(dev, R2057_IPA5G_CASCOFFV_PU_CORE1, ~1, 0); } } } } else { b43_phy_maskset(dev, B43_NPHY_AFECTL_C1, 0x0FFF, 0xA000); b43_phy_maskset(dev, B43_NPHY_AFECTL_C2, 0x0FFF, 0xA000); tmp = b43_phy_read(dev, B43_NPHY_AFECTL_OVER); regs[2] = tmp; b43_phy_write(dev, B43_NPHY_AFECTL_OVER, tmp | 0x3000); tmp = b43_ntab_read(dev, B43_NTAB16(8, 2)); regs[3] = tmp; tmp |= 0x2000; b43_ntab_write(dev, B43_NTAB16(8, 2), tmp); tmp = b43_ntab_read(dev, B43_NTAB16(8, 18)); regs[4] = tmp; tmp |= 0x2000; b43_ntab_write(dev, B43_NTAB16(8, 18), tmp); regs[5] = b43_phy_read(dev, B43_NPHY_RFCTL_INTC1); regs[6] = b43_phy_read(dev, B43_NPHY_RFCTL_INTC2); if (b43_current_band(dev->wl) == NL80211_BAND_5GHZ) tmp = 0x0180; else tmp = 0x0120; b43_phy_write(dev, B43_NPHY_RFCTL_INTC1, tmp); b43_phy_write(dev, B43_NPHY_RFCTL_INTC2, tmp); } } /* https://bcm-v4.sipsolutions.net/802.11/PHY/N/SaveCal */ static void b43_nphy_save_cal(struct b43_wldev *dev) { struct b43_phy *phy = &dev->phy; struct b43_phy_n *nphy = dev->phy.n; struct b43_phy_n_iq_comp *rxcal_coeffs = NULL; u16 *txcal_radio_regs = NULL; struct b43_chanspec *iqcal_chanspec; u16 *table = NULL; if (nphy->hang_avoid) b43_nphy_stay_in_carrier_search(dev, 1); if (b43_current_band(dev->wl) == NL80211_BAND_2GHZ) { rxcal_coeffs = &nphy->cal_cache.rxcal_coeffs_2G; txcal_radio_regs = nphy->cal_cache.txcal_radio_regs_2G; iqcal_chanspec = &nphy->iqcal_chanspec_2G; table = nphy->cal_cache.txcal_coeffs_2G; } else { rxcal_coeffs = &nphy->cal_cache.rxcal_coeffs_5G; txcal_radio_regs = nphy->cal_cache.txcal_radio_regs_5G; iqcal_chanspec = &nphy->iqcal_chanspec_5G; table = nphy->cal_cache.txcal_coeffs_5G; } b43_nphy_rx_iq_coeffs(dev, false, rxcal_coeffs); /* TODO use some definitions */ if (phy->rev >= 19) { /* TODO */ } else if (phy->rev >= 7) { txcal_radio_regs[0] = b43_radio_read(dev, R2057_TX0_LOFT_FINE_I); txcal_radio_regs[1] = b43_radio_read(dev, R2057_TX0_LOFT_FINE_Q); txcal_radio_regs[4] = b43_radio_read(dev, R2057_TX0_LOFT_COARSE_I); txcal_radio_regs[5] = b43_radio_read(dev, R2057_TX0_LOFT_COARSE_Q); txcal_radio_regs[2] = b43_radio_read(dev, R2057_TX1_LOFT_FINE_I); txcal_radio_regs[3] = b43_radio_read(dev, R2057_TX1_LOFT_FINE_Q); txcal_radio_regs[6] = b43_radio_read(dev, R2057_TX1_LOFT_COARSE_I); txcal_radio_regs[7] = b43_radio_read(dev, R2057_TX1_LOFT_COARSE_Q); } else if (phy->rev >= 3) { txcal_radio_regs[0] = b43_radio_read(dev, 0x2021); txcal_radio_regs[1] = b43_radio_read(dev, 0x2022); txcal_radio_regs[2] = b43_radio_read(dev, 0x3021); txcal_radio_regs[3] = b43_radio_read(dev, 0x3022); txcal_radio_regs[4] = b43_radio_read(dev, 0x2023); txcal_radio_regs[5] = b43_radio_read(dev, 0x2024); txcal_radio_regs[6] = b43_radio_read(dev, 0x3023); txcal_radio_regs[7] = b43_radio_read(dev, 0x3024); } else { txcal_radio_regs[0] = b43_radio_read(dev, 0x8B); txcal_radio_regs[1] = b43_radio_read(dev, 0xBA); txcal_radio_regs[2] = b43_radio_read(dev, 0x8D); txcal_radio_regs[3] = b43_radio_read(dev, 0xBC); } iqcal_chanspec->center_freq = dev->phy.chandef->chan->center_freq; iqcal_chanspec->channel_type = cfg80211_get_chandef_type(dev->phy.chandef); b43_ntab_read_bulk(dev, B43_NTAB16(15, 80), 8, table); if (nphy->hang_avoid) b43_nphy_stay_in_carrier_search(dev, 0); } /* https://bcm-v4.sipsolutions.net/802.11/PHY/N/RestoreCal */ static void b43_nphy_restore_cal(struct b43_wldev *dev) { struct b43_phy *phy = &dev->phy; struct b43_phy_n *nphy = dev->phy.n; u16 coef[4]; u16 *loft = NULL; u16 *table = NULL; int i; u16 *txcal_radio_regs = NULL; struct b43_phy_n_iq_comp *rxcal_coeffs = NULL; if (b43_current_band(dev->wl) == NL80211_BAND_2GHZ) { if (!nphy->iqcal_chanspec_2G.center_freq) return; table = nphy->cal_cache.txcal_coeffs_2G; loft = &nphy->cal_cache.txcal_coeffs_2G[5]; } else { if (!nphy->iqcal_chanspec_5G.center_freq) return; table = nphy->cal_cache.txcal_coeffs_5G; loft = &nphy->cal_cache.txcal_coeffs_5G[5]; } b43_ntab_write_bulk(dev, B43_NTAB16(15, 80), 4, table); for (i = 0; i < 4; i++) { if (dev->phy.rev >= 3) coef[i] = table[i]; else coef[i] = 0; } b43_ntab_write_bulk(dev, B43_NTAB16(15, 88), 4, coef); b43_ntab_write_bulk(dev, B43_NTAB16(15, 85), 2, loft); b43_ntab_write_bulk(dev, B43_NTAB16(15, 93), 2, loft); if (dev->phy.rev < 2) b43_nphy_tx_iq_workaround(dev); if (b43_current_band(dev->wl) == NL80211_BAND_2GHZ) { txcal_radio_regs = nphy->cal_cache.txcal_radio_regs_2G; rxcal_coeffs = &nphy->cal_cache.rxcal_coeffs_2G; } else { txcal_radio_regs = nphy->cal_cache.txcal_radio_regs_5G; rxcal_coeffs = &nphy->cal_cache.rxcal_coeffs_5G; } /* TODO use some definitions */ if (phy->rev >= 19) { /* TODO */ } else if (phy->rev >= 7) { b43_radio_write(dev, R2057_TX0_LOFT_FINE_I, txcal_radio_regs[0]); b43_radio_write(dev, R2057_TX0_LOFT_FINE_Q, txcal_radio_regs[1]); b43_radio_write(dev, R2057_TX0_LOFT_COARSE_I, txcal_radio_regs[4]); b43_radio_write(dev, R2057_TX0_LOFT_COARSE_Q, txcal_radio_regs[5]); b43_radio_write(dev, R2057_TX1_LOFT_FINE_I, txcal_radio_regs[2]); b43_radio_write(dev, R2057_TX1_LOFT_FINE_Q, txcal_radio_regs[3]); b43_radio_write(dev, R2057_TX1_LOFT_COARSE_I, txcal_radio_regs[6]); b43_radio_write(dev, R2057_TX1_LOFT_COARSE_Q, txcal_radio_regs[7]); } else if (phy->rev >= 3) { b43_radio_write(dev, 0x2021, txcal_radio_regs[0]); b43_radio_write(dev, 0x2022, txcal_radio_regs[1]); b43_radio_write(dev, 0x3021, txcal_radio_regs[2]); b43_radio_write(dev, 0x3022, txcal_radio_regs[3]); b43_radio_write(dev, 0x2023, txcal_radio_regs[4]); b43_radio_write(dev, 0x2024, txcal_radio_regs[5]); b43_radio_write(dev, 0x3023, txcal_radio_regs[6]); b43_radio_write(dev, 0x3024, txcal_radio_regs[7]); } else { b43_radio_write(dev, 0x8B, txcal_radio_regs[0]); b43_radio_write(dev, 0xBA, txcal_radio_regs[1]); b43_radio_write(dev, 0x8D, txcal_radio_regs[2]); b43_radio_write(dev, 0xBC, txcal_radio_regs[3]); } b43_nphy_rx_iq_coeffs(dev, true, rxcal_coeffs); } /* https://bcm-v4.sipsolutions.net/802.11/PHY/N/CalTxIqlo */ static int b43_nphy_cal_tx_iq_lo(struct b43_wldev *dev, struct nphy_txgains target, bool full, bool mphase) { struct b43_phy *phy = &dev->phy; struct b43_phy_n *nphy = dev->phy.n; int i; int error = 0; int freq; bool avoid = false; u8 length; u16 tmp, core, type, count, max, numb, last = 0, cmd; const u16 *table; bool phy6or5x; u16 buffer[11]; u16 diq_start = 0; u16 save[2]; u16 gain[2]; struct nphy_iqcal_params params[2]; bool updated[2] = { }; b43_nphy_stay_in_carrier_search(dev, true); if (dev->phy.rev >= 4) { avoid = nphy->hang_avoid; nphy->hang_avoid = false; } b43_ntab_read_bulk(dev, B43_NTAB16(7, 0x110), 2, save); for (i = 0; i < 2; i++) { b43_nphy_iq_cal_gain_params(dev, i, target, ¶ms[i]); gain[i] = params[i].cal_gain; } b43_ntab_write_bulk(dev, B43_NTAB16(7, 0x110), 2, gain); b43_nphy_tx_cal_radio_setup(dev); b43_nphy_tx_cal_phy_setup(dev); phy6or5x = dev->phy.rev >= 6 || (dev->phy.rev == 5 && nphy->ipa2g_on && b43_current_band(dev->wl) == NL80211_BAND_2GHZ); if (phy6or5x) { if (b43_is_40mhz(dev)) { b43_ntab_write_bulk(dev, B43_NTAB16(15, 0), 18, tbl_tx_iqlo_cal_loft_ladder_40); b43_ntab_write_bulk(dev, B43_NTAB16(15, 32), 18, tbl_tx_iqlo_cal_iqimb_ladder_40); } else { b43_ntab_write_bulk(dev, B43_NTAB16(15, 0), 18, tbl_tx_iqlo_cal_loft_ladder_20); b43_ntab_write_bulk(dev, B43_NTAB16(15, 32), 18, tbl_tx_iqlo_cal_iqimb_ladder_20); } } if (phy->rev >= 19) { /* TODO */ } else if (phy->rev >= 7) { b43_phy_write(dev, B43_NPHY_IQLOCAL_CMDGCTL, 0x8AD9); } else { b43_phy_write(dev, B43_NPHY_IQLOCAL_CMDGCTL, 0x8AA9); } if (!b43_is_40mhz(dev)) freq = 2500; else freq = 5000; if (nphy->mphase_cal_phase_id > 2) b43_nphy_run_samples(dev, (b43_is_40mhz(dev) ? 40 : 20) * 8, 0xFFFF, 0, true, false, false); else error = b43_nphy_tx_tone(dev, freq, 250, true, false, false); if (error == 0) { if (nphy->mphase_cal_phase_id > 2) { table = nphy->mphase_txcal_bestcoeffs; length = 11; if (dev->phy.rev < 3) length -= 2; } else { if (!full && nphy->txiqlocal_coeffsvalid) { table = nphy->txiqlocal_bestc; length = 11; if (dev->phy.rev < 3) length -= 2; } else { full = true; if (dev->phy.rev >= 3) { table = tbl_tx_iqlo_cal_startcoefs_nphyrev3; length = B43_NTAB_TX_IQLO_CAL_STARTCOEFS_REV3; } else { table = tbl_tx_iqlo_cal_startcoefs; length = B43_NTAB_TX_IQLO_CAL_STARTCOEFS; } } } b43_ntab_write_bulk(dev, B43_NTAB16(15, 64), length, table); if (full) { if (dev->phy.rev >= 3) max = B43_NTAB_TX_IQLO_CAL_CMDS_FULLCAL_REV3; else max = B43_NTAB_TX_IQLO_CAL_CMDS_FULLCAL; } else { if (dev->phy.rev >= 3) max = B43_NTAB_TX_IQLO_CAL_CMDS_RECAL_REV3; else max = B43_NTAB_TX_IQLO_CAL_CMDS_RECAL; } if (mphase) { count = nphy->mphase_txcal_cmdidx; numb = min(max, (u16)(count + nphy->mphase_txcal_numcmds)); } else { count = 0; numb = max; } for (; count < numb; count++) { if (full) { if (dev->phy.rev >= 3) cmd = tbl_tx_iqlo_cal_cmds_fullcal_nphyrev3[count]; else cmd = tbl_tx_iqlo_cal_cmds_fullcal[count]; } else { if (dev->phy.rev >= 3) cmd = tbl_tx_iqlo_cal_cmds_recal_nphyrev3[count]; else cmd = tbl_tx_iqlo_cal_cmds_recal[count]; } core = (cmd & 0x3000) >> 12; type = (cmd & 0x0F00) >> 8; if (phy6or5x && !updated[core]) { b43_nphy_update_tx_cal_ladder(dev, core); updated[core] = true; } tmp = (params[core].ncorr[type] << 8) | 0x66; b43_phy_write(dev, B43_NPHY_IQLOCAL_CMDNNUM, tmp); if (type == 1 || type == 3 || type == 4) { buffer[0] = b43_ntab_read(dev, B43_NTAB16(15, 69 + core)); diq_start = buffer[0]; buffer[0] = 0; b43_ntab_write(dev, B43_NTAB16(15, 69 + core), 0); } b43_phy_write(dev, B43_NPHY_IQLOCAL_CMD, cmd); for (i = 0; i < 2000; i++) { tmp = b43_phy_read(dev, B43_NPHY_IQLOCAL_CMD); if (tmp & 0xC000) break; udelay(10); } b43_ntab_read_bulk(dev, B43_NTAB16(15, 96), length, buffer); b43_ntab_write_bulk(dev, B43_NTAB16(15, 64), length, buffer); if (type == 1 || type == 3 || type == 4) buffer[0] = diq_start; } if (mphase) nphy->mphase_txcal_cmdidx = (numb >= max) ? 0 : numb; last = (dev->phy.rev < 3) ? 6 : 7; if (!mphase || nphy->mphase_cal_phase_id == last) { b43_ntab_write_bulk(dev, B43_NTAB16(15, 96), 4, buffer); b43_ntab_read_bulk(dev, B43_NTAB16(15, 80), 4, buffer); if (dev->phy.rev < 3) { buffer[0] = 0; buffer[1] = 0; buffer[2] = 0; buffer[3] = 0; } b43_ntab_write_bulk(dev, B43_NTAB16(15, 88), 4, buffer); b43_ntab_read_bulk(dev, B43_NTAB16(15, 101), 2, buffer); b43_ntab_write_bulk(dev, B43_NTAB16(15, 85), 2, buffer); b43_ntab_write_bulk(dev, B43_NTAB16(15, 93), 2, buffer); length = 11; if (dev->phy.rev < 3) length -= 2; b43_ntab_read_bulk(dev, B43_NTAB16(15, 96), length, nphy->txiqlocal_bestc); nphy->txiqlocal_coeffsvalid = true; nphy->txiqlocal_chanspec.center_freq = phy->chandef->chan->center_freq; nphy->txiqlocal_chanspec.channel_type = cfg80211_get_chandef_type(phy->chandef); } else { length = 11; if (dev->phy.rev < 3) length -= 2; b43_ntab_read_bulk(dev, B43_NTAB16(15, 96), length, nphy->mphase_txcal_bestcoeffs); } b43_nphy_stop_playback(dev); b43_phy_write(dev, B43_NPHY_IQLOCAL_CMDGCTL, 0); } b43_nphy_tx_cal_phy_cleanup(dev); b43_ntab_write_bulk(dev, B43_NTAB16(7, 0x110), 2, save); if (dev->phy.rev < 2 && (!mphase || nphy->mphase_cal_phase_id == last)) b43_nphy_tx_iq_workaround(dev); if (dev->phy.rev >= 4) nphy->hang_avoid = avoid; b43_nphy_stay_in_carrier_search(dev, false); return error; } /* https://bcm-v4.sipsolutions.net/802.11/PHY/N/ReapplyTxCalCoeffs */ static void b43_nphy_reapply_tx_cal_coeffs(struct b43_wldev *dev) { struct b43_phy_n *nphy = dev->phy.n; u8 i; u16 buffer[7]; bool equal = true; if (!nphy->txiqlocal_coeffsvalid || nphy->txiqlocal_chanspec.center_freq != dev->phy.chandef->chan->center_freq || nphy->txiqlocal_chanspec.channel_type != cfg80211_get_chandef_type(dev->phy.chandef)) return; b43_ntab_read_bulk(dev, B43_NTAB16(15, 80), 7, buffer); for (i = 0; i < 4; i++) { if (buffer[i] != nphy->txiqlocal_bestc[i]) { equal = false; break; } } if (!equal) { b43_ntab_write_bulk(dev, B43_NTAB16(15, 80), 4, nphy->txiqlocal_bestc); for (i = 0; i < 4; i++) buffer[i] = 0; b43_ntab_write_bulk(dev, B43_NTAB16(15, 88), 4, buffer); b43_ntab_write_bulk(dev, B43_NTAB16(15, 85), 2, &nphy->txiqlocal_bestc[5]); b43_ntab_write_bulk(dev, B43_NTAB16(15, 93), 2, &nphy->txiqlocal_bestc[5]); } } /* https://bcm-v4.sipsolutions.net/802.11/PHY/N/CalRxIqRev2 */ static int b43_nphy_rev2_cal_rx_iq(struct b43_wldev *dev, struct nphy_txgains target, u8 type, bool debug) { struct b43_phy_n *nphy = dev->phy.n; int i, j, index; u8 rfctl[2]; u8 afectl_core; u16 tmp[6]; u16 cur_hpf1, cur_hpf2, cur_lna; u32 real, imag; enum nl80211_band band; u8 use; u16 cur_hpf; u16 lna[3] = { 3, 3, 1 }; u16 hpf1[3] = { 7, 2, 0 }; u16 hpf2[3] = { 2, 0, 0 }; u32 power[3] = { }; u16 gain_save[2]; u16 cal_gain[2]; struct nphy_iqcal_params cal_params[2]; struct nphy_iq_est est; int ret = 0; bool playtone = true; int desired = 13; b43_nphy_stay_in_carrier_search(dev, 1); if (dev->phy.rev < 2) b43_nphy_reapply_tx_cal_coeffs(dev); b43_ntab_read_bulk(dev, B43_NTAB16(7, 0x110), 2, gain_save); for (i = 0; i < 2; i++) { b43_nphy_iq_cal_gain_params(dev, i, target, &cal_params[i]); cal_gain[i] = cal_params[i].cal_gain; } b43_ntab_write_bulk(dev, B43_NTAB16(7, 0x110), 2, cal_gain); for (i = 0; i < 2; i++) { if (i == 0) { rfctl[0] = B43_NPHY_RFCTL_INTC1; rfctl[1] = B43_NPHY_RFCTL_INTC2; afectl_core = B43_NPHY_AFECTL_C1; } else { rfctl[0] = B43_NPHY_RFCTL_INTC2; rfctl[1] = B43_NPHY_RFCTL_INTC1; afectl_core = B43_NPHY_AFECTL_C2; } tmp[1] = b43_phy_read(dev, B43_NPHY_RFSEQCA); tmp[2] = b43_phy_read(dev, afectl_core); tmp[3] = b43_phy_read(dev, B43_NPHY_AFECTL_OVER); tmp[4] = b43_phy_read(dev, rfctl[0]); tmp[5] = b43_phy_read(dev, rfctl[1]); b43_phy_maskset(dev, B43_NPHY_RFSEQCA, ~B43_NPHY_RFSEQCA_RXDIS & 0xFFFF, ((1 - i) << B43_NPHY_RFSEQCA_RXDIS_SHIFT)); b43_phy_maskset(dev, B43_NPHY_RFSEQCA, ~B43_NPHY_RFSEQCA_TXEN, (1 - i)); b43_phy_set(dev, afectl_core, 0x0006); b43_phy_set(dev, B43_NPHY_AFECTL_OVER, 0x0006); band = b43_current_band(dev->wl); if (nphy->rxcalparams & 0xFF000000) { if (band == NL80211_BAND_5GHZ) b43_phy_write(dev, rfctl[0], 0x140); else b43_phy_write(dev, rfctl[0], 0x110); } else { if (band == NL80211_BAND_5GHZ) b43_phy_write(dev, rfctl[0], 0x180); else b43_phy_write(dev, rfctl[0], 0x120); } if (band == NL80211_BAND_5GHZ) b43_phy_write(dev, rfctl[1], 0x148); else b43_phy_write(dev, rfctl[1], 0x114); if (nphy->rxcalparams & 0x10000) { b43_radio_maskset(dev, B2055_C1_GENSPARE2, 0xFC, (i + 1)); b43_radio_maskset(dev, B2055_C2_GENSPARE2, 0xFC, (2 - i)); } for (j = 0; j < 4; j++) { if (j < 3) { cur_lna = lna[j]; cur_hpf1 = hpf1[j]; cur_hpf2 = hpf2[j]; } else { if (power[1] > 10000) { use = 1; cur_hpf = cur_hpf1; index = 2; } else { if (power[0] > 10000) { use = 1; cur_hpf = cur_hpf1; index = 1; } else { index = 0; use = 2; cur_hpf = cur_hpf2; } } cur_lna = lna[index]; cur_hpf1 = hpf1[index]; cur_hpf2 = hpf2[index]; cur_hpf += desired - hweight32(power[index]); cur_hpf = clamp_val(cur_hpf, 0, 10); if (use == 1) cur_hpf1 = cur_hpf; else cur_hpf2 = cur_hpf; } tmp[0] = ((cur_hpf2 << 8) | (cur_hpf1 << 4) | (cur_lna << 2)); b43_nphy_rf_ctl_override(dev, 0x400, tmp[0], 3, false); b43_nphy_force_rf_sequence(dev, B43_RFSEQ_RESET2RX); b43_nphy_stop_playback(dev); if (playtone) { ret = b43_nphy_tx_tone(dev, 4000, (nphy->rxcalparams & 0xFFFF), false, false, true); playtone = false; } else { b43_nphy_run_samples(dev, 160, 0xFFFF, 0, false, false, true); } if (ret == 0) { if (j < 3) { b43_nphy_rx_iq_est(dev, &est, 1024, 32, false); if (i == 0) { real = est.i0_pwr; imag = est.q0_pwr; } else { real = est.i1_pwr; imag = est.q1_pwr; } power[i] = ((real + imag) / 1024) + 1; } else { b43_nphy_calc_rx_iq_comp(dev, 1 << i); } b43_nphy_stop_playback(dev); } if (ret != 0) break; } b43_radio_mask(dev, B2055_C1_GENSPARE2, 0xFC); b43_radio_mask(dev, B2055_C2_GENSPARE2, 0xFC); b43_phy_write(dev, rfctl[1], tmp[5]); b43_phy_write(dev, rfctl[0], tmp[4]); b43_phy_write(dev, B43_NPHY_AFECTL_OVER, tmp[3]); b43_phy_write(dev, afectl_core, tmp[2]); b43_phy_write(dev, B43_NPHY_RFSEQCA, tmp[1]); if (ret != 0) break; } b43_nphy_rf_ctl_override(dev, 0x400, 0, 3, true); b43_nphy_force_rf_sequence(dev, B43_RFSEQ_RESET2RX); b43_ntab_write_bulk(dev, B43_NTAB16(7, 0x110), 2, gain_save); b43_nphy_stay_in_carrier_search(dev, 0); return ret; } static int b43_nphy_rev3_cal_rx_iq(struct b43_wldev *dev, struct nphy_txgains target, u8 type, bool debug) { return -1; } /* https://bcm-v4.sipsolutions.net/802.11/PHY/N/CalRxIq */ static int b43_nphy_cal_rx_iq(struct b43_wldev *dev, struct nphy_txgains target, u8 type, bool debug) { if (dev->phy.rev >= 7) type = 0; if (dev->phy.rev >= 3) return b43_nphy_rev3_cal_rx_iq(dev, target, type, debug); else return b43_nphy_rev2_cal_rx_iq(dev, target, type, debug); } /* https://bcm-v4.sipsolutions.net/802.11/PHY/N/RxCoreSetState */ static void b43_nphy_set_rx_core_state(struct b43_wldev *dev, u8 mask) { struct b43_phy *phy = &dev->phy; struct b43_phy_n *nphy = phy->n; /* u16 buf[16]; it's rev3+ */ nphy->phyrxchain = mask; if (0 /* FIXME clk */) return; b43_mac_suspend(dev); if (nphy->hang_avoid) b43_nphy_stay_in_carrier_search(dev, true); b43_phy_maskset(dev, B43_NPHY_RFSEQCA, ~B43_NPHY_RFSEQCA_RXEN, (mask & 0x3) << B43_NPHY_RFSEQCA_RXEN_SHIFT); if ((mask & 0x3) != 0x3) { b43_phy_write(dev, B43_NPHY_HPANT_SWTHRES, 1); if (dev->phy.rev >= 3) { /* TODO */ } } else { b43_phy_write(dev, B43_NPHY_HPANT_SWTHRES, 0x1E); if (dev->phy.rev >= 3) { /* TODO */ } } b43_nphy_force_rf_sequence(dev, B43_RFSEQ_RESET2RX); if (nphy->hang_avoid) b43_nphy_stay_in_carrier_search(dev, false); b43_mac_enable(dev); } static enum b43_txpwr_result b43_nphy_op_recalc_txpower(struct b43_wldev *dev, bool ignore_tssi) { struct b43_phy *phy = &dev->phy; struct b43_phy_n *nphy = dev->phy.n; struct ieee80211_channel *channel = dev->wl->hw->conf.chandef.chan; struct b43_ppr *ppr = &nphy->tx_pwr_max_ppr; u8 max; /* qdBm */ if (nphy->tx_pwr_last_recalc_freq == channel->center_freq && nphy->tx_pwr_last_recalc_limit == phy->desired_txpower) return B43_TXPWR_RES_DONE; /* Make sure we have a clean PPR */ b43_ppr_clear(dev, ppr); /* HW limitations */ b43_ppr_load_max_from_sprom(dev, ppr, B43_BAND_2G); /* Regulatory & user settings */ max = INT_TO_Q52(phy->chandef->chan->max_power); if (phy->desired_txpower) max = min_t(u8, max, INT_TO_Q52(phy->desired_txpower)); b43_ppr_apply_max(dev, ppr, max); if (b43_debug(dev, B43_DBG_XMITPOWER)) b43dbg(dev->wl, "Calculated TX power: " Q52_FMT "\n", Q52_ARG(b43_ppr_get_max(dev, ppr))); /* TODO: Enable this once we get gains working */ #if 0 /* Some extra gains */ hw_gain = 6; /* N-PHY specific */ if (b43_current_band(dev->wl) == NL80211_BAND_2GHZ) hw_gain += sprom->antenna_gain.a0; else hw_gain += sprom->antenna_gain.a1; b43_ppr_add(dev, ppr, -hw_gain); #endif /* Make sure we didn't go too low */ b43_ppr_apply_min(dev, ppr, INT_TO_Q52(8)); /* Apply */ b43_mac_suspend(dev); b43_nphy_tx_power_ctl_setup(dev); if (dev->dev->core_rev == 11 || dev->dev->core_rev == 12) { b43_maskset32(dev, B43_MMIO_MACCTL, ~0, B43_MACCTL_PHY_LOCK); b43_read32(dev, B43_MMIO_MACCTL); udelay(1); } b43_nphy_tx_power_ctrl(dev, nphy->txpwrctrl); if (dev->dev->core_rev == 11 || dev->dev->core_rev == 12) b43_maskset32(dev, B43_MMIO_MACCTL, ~B43_MACCTL_PHY_LOCK, 0); b43_mac_enable(dev); nphy->tx_pwr_last_recalc_freq = channel->center_freq; nphy->tx_pwr_last_recalc_limit = phy->desired_txpower; return B43_TXPWR_RES_DONE; } /************************************************** * N-PHY init **************************************************/ /* https://bcm-v4.sipsolutions.net/802.11/PHY/N/MIMOConfig */ static void b43_nphy_update_mimo_config(struct b43_wldev *dev, s32 preamble) { u16 mimocfg = b43_phy_read(dev, B43_NPHY_MIMOCFG); mimocfg |= B43_NPHY_MIMOCFG_AUTO; if (preamble == 1) mimocfg |= B43_NPHY_MIMOCFG_GFMIX; else mimocfg &= ~B43_NPHY_MIMOCFG_GFMIX; b43_phy_write(dev, B43_NPHY_MIMOCFG, mimocfg); } /* https://bcm-v4.sipsolutions.net/802.11/PHY/N/BPHYInit */ static void b43_nphy_bphy_init(struct b43_wldev *dev) { unsigned int i; u16 val; val = 0x1E1F; for (i = 0; i < 16; i++) { b43_phy_write(dev, B43_PHY_N_BMODE(0x88 + i), val); val -= 0x202; } val = 0x3E3F; for (i = 0; i < 16; i++) { b43_phy_write(dev, B43_PHY_N_BMODE(0x98 + i), val); val -= 0x202; } b43_phy_write(dev, B43_PHY_N_BMODE(0x38), 0x668); } /* https://bcm-v4.sipsolutions.net/802.11/PHY/N/SuperSwitchInit */ static void b43_nphy_superswitch_init(struct b43_wldev *dev, bool init) { if (dev->phy.rev >= 7) return; if (dev->phy.rev >= 3) { if (!init) return; if (0 /* FIXME */) { b43_ntab_write(dev, B43_NTAB16(9, 2), 0x211); b43_ntab_write(dev, B43_NTAB16(9, 3), 0x222); b43_ntab_write(dev, B43_NTAB16(9, 8), 0x144); b43_ntab_write(dev, B43_NTAB16(9, 12), 0x188); } } else { b43_phy_write(dev, B43_NPHY_GPIO_LOOEN, 0); b43_phy_write(dev, B43_NPHY_GPIO_HIOEN, 0); switch (dev->dev->bus_type) { #ifdef CONFIG_B43_BCMA case B43_BUS_BCMA: bcma_chipco_gpio_control(&dev->dev->bdev->bus->drv_cc, 0xFC00, 0xFC00); break; #endif #ifdef CONFIG_B43_SSB case B43_BUS_SSB: ssb_chipco_gpio_control(&dev->dev->sdev->bus->chipco, 0xFC00, 0xFC00); break; #endif } b43_maskset32(dev, B43_MMIO_MACCTL, ~B43_MACCTL_GPOUTSMSK, 0); b43_maskset16(dev, B43_MMIO_GPIO_MASK, ~0, 0xFC00); b43_maskset16(dev, B43_MMIO_GPIO_CONTROL, (~0xFC00 & 0xFFFF), 0); if (init) { b43_phy_write(dev, B43_NPHY_RFCTL_LUT_TRSW_LO1, 0x2D8); b43_phy_write(dev, B43_NPHY_RFCTL_LUT_TRSW_UP1, 0x301); b43_phy_write(dev, B43_NPHY_RFCTL_LUT_TRSW_LO2, 0x2D8); b43_phy_write(dev, B43_NPHY_RFCTL_LUT_TRSW_UP2, 0x301); } } } /* http://bcm-v4.sipsolutions.net/802.11/PHY/Init/N */ static int b43_phy_initn(struct b43_wldev *dev) { struct ssb_sprom *sprom = dev->dev->bus_sprom; struct b43_phy *phy = &dev->phy; struct b43_phy_n *nphy = phy->n; u8 tx_pwr_state; struct nphy_txgains target; u16 tmp; bool do_rssi_cal; u16 clip[2]; bool do_cal = false; if ((dev->phy.rev >= 3) && (sprom->boardflags_lo & B43_BFL_EXTLNA) && (b43_current_band(dev->wl) == NL80211_BAND_2GHZ)) { switch (dev->dev->bus_type) { #ifdef CONFIG_B43_BCMA case B43_BUS_BCMA: bcma_cc_set32(&dev->dev->bdev->bus->drv_cc, BCMA_CC_CHIPCTL, 0x40); break; #endif #ifdef CONFIG_B43_SSB case B43_BUS_SSB: chipco_set32(&dev->dev->sdev->bus->chipco, SSB_CHIPCO_CHIPCTL, 0x40); break; #endif } } nphy->use_int_tx_iq_lo_cal = b43_nphy_ipa(dev) || phy->rev >= 7 || (phy->rev >= 5 && sprom->boardflags2_hi & B43_BFH2_INTERNDET_TXIQCAL); nphy->deaf_count = 0; b43_nphy_tables_init(dev); nphy->crsminpwr_adjusted = false; nphy->noisevars_adjusted = false; /* Clear all overrides */ if (dev->phy.rev >= 3) { b43_phy_write(dev, B43_NPHY_TXF_40CO_B1S1, 0); b43_phy_write(dev, B43_NPHY_RFCTL_OVER, 0); if (phy->rev >= 7) { b43_phy_write(dev, B43_NPHY_REV7_RF_CTL_OVER3, 0); b43_phy_write(dev, B43_NPHY_REV7_RF_CTL_OVER4, 0); b43_phy_write(dev, B43_NPHY_REV7_RF_CTL_OVER5, 0); b43_phy_write(dev, B43_NPHY_REV7_RF_CTL_OVER6, 0); } if (phy->rev >= 19) { /* TODO */ } b43_phy_write(dev, B43_NPHY_TXF_40CO_B1S0, 0); b43_phy_write(dev, B43_NPHY_TXF_40CO_B32S1, 0); } else { b43_phy_write(dev, B43_NPHY_RFCTL_OVER, 0); } b43_phy_write(dev, B43_NPHY_RFCTL_INTC1, 0); b43_phy_write(dev, B43_NPHY_RFCTL_INTC2, 0); if (dev->phy.rev < 6) { b43_phy_write(dev, B43_NPHY_RFCTL_INTC3, 0); b43_phy_write(dev, B43_NPHY_RFCTL_INTC4, 0); } b43_phy_mask(dev, B43_NPHY_RFSEQMODE, ~(B43_NPHY_RFSEQMODE_CAOVER | B43_NPHY_RFSEQMODE_TROVER)); if (dev->phy.rev >= 3) b43_phy_write(dev, B43_NPHY_AFECTL_OVER1, 0); b43_phy_write(dev, B43_NPHY_AFECTL_OVER, 0); if (dev->phy.rev <= 2) { tmp = (dev->phy.rev == 2) ? 0x3B : 0x40; b43_phy_maskset(dev, B43_NPHY_BPHY_CTL3, ~B43_NPHY_BPHY_CTL3_SCALE, tmp << B43_NPHY_BPHY_CTL3_SCALE_SHIFT); } b43_phy_write(dev, B43_NPHY_AFESEQ_TX2RX_PUD_20M, 0x20); b43_phy_write(dev, B43_NPHY_AFESEQ_TX2RX_PUD_40M, 0x20); if (sprom->boardflags2_lo & B43_BFL2_SKWRKFEM_BRD || (dev->dev->board_vendor == PCI_VENDOR_ID_APPLE && dev->dev->board_type == BCMA_BOARD_TYPE_BCM943224M93)) b43_phy_write(dev, B43_NPHY_TXREALFD, 0xA0); else b43_phy_write(dev, B43_NPHY_TXREALFD, 0xB8); b43_phy_write(dev, B43_NPHY_MIMO_CRSTXEXT, 0xC8); b43_phy_write(dev, B43_NPHY_PLOAD_CSENSE_EXTLEN, 0x50); b43_phy_write(dev, B43_NPHY_TXRIFS_FRDEL, 0x30); if (phy->rev < 8) b43_nphy_update_mimo_config(dev, nphy->preamble_override); b43_nphy_update_txrx_chain(dev); if (phy->rev < 2) { b43_phy_write(dev, B43_NPHY_DUP40_GFBL, 0xAA8); b43_phy_write(dev, B43_NPHY_DUP40_BL, 0x9A4); } if (b43_nphy_ipa(dev)) { b43_phy_set(dev, B43_NPHY_PAPD_EN0, 0x1); b43_phy_maskset(dev, B43_NPHY_EPS_TABLE_ADJ0, 0x007F, nphy->papd_epsilon_offset[0] << 7); b43_phy_set(dev, B43_NPHY_PAPD_EN1, 0x1); b43_phy_maskset(dev, B43_NPHY_EPS_TABLE_ADJ1, 0x007F, nphy->papd_epsilon_offset[1] << 7); b43_nphy_int_pa_set_tx_dig_filters(dev); } else if (phy->rev >= 5) { b43_nphy_ext_pa_set_tx_dig_filters(dev); } b43_nphy_workarounds(dev); /* Reset CCA, in init code it differs a little from standard way */ b43_phy_force_clock(dev, 1); tmp = b43_phy_read(dev, B43_NPHY_BBCFG); b43_phy_write(dev, B43_NPHY_BBCFG, tmp | B43_NPHY_BBCFG_RSTCCA); b43_phy_write(dev, B43_NPHY_BBCFG, tmp & ~B43_NPHY_BBCFG_RSTCCA); b43_phy_force_clock(dev, 0); b43_mac_phy_clock_set(dev, true); if (phy->rev < 7) { b43_nphy_pa_override(dev, false); b43_nphy_force_rf_sequence(dev, B43_RFSEQ_RX2TX); b43_nphy_force_rf_sequence(dev, B43_RFSEQ_RESET2RX); b43_nphy_pa_override(dev, true); } b43_nphy_classifier(dev, 0, 0); b43_nphy_read_clip_detection(dev, clip); if (b43_current_band(dev->wl) == NL80211_BAND_2GHZ) b43_nphy_bphy_init(dev); tx_pwr_state = nphy->txpwrctrl; b43_nphy_tx_power_ctrl(dev, false); b43_nphy_tx_power_fix(dev); b43_nphy_tx_power_ctl_idle_tssi(dev); b43_nphy_tx_power_ctl_setup(dev); b43_nphy_tx_gain_table_upload(dev); if (nphy->phyrxchain != 3) b43_nphy_set_rx_core_state(dev, nphy->phyrxchain); if (nphy->mphase_cal_phase_id > 0) { ;/* TODO PHY Periodic Calibration Multi-Phase Restart */ } do_rssi_cal = false; if (phy->rev >= 3) { if (b43_current_band(dev->wl) == NL80211_BAND_2GHZ) do_rssi_cal = !nphy->rssical_chanspec_2G.center_freq; else do_rssi_cal = !nphy->rssical_chanspec_5G.center_freq; if (do_rssi_cal) b43_nphy_rssi_cal(dev); else b43_nphy_restore_rssi_cal(dev); } else { b43_nphy_rssi_cal(dev); } if (!((nphy->measure_hold & 0x6) != 0)) { if (b43_current_band(dev->wl) == NL80211_BAND_2GHZ) do_cal = !nphy->iqcal_chanspec_2G.center_freq; else do_cal = !nphy->iqcal_chanspec_5G.center_freq; if (nphy->mute) do_cal = false; if (do_cal) { target = b43_nphy_get_tx_gains(dev); if (nphy->antsel_type == 2) b43_nphy_superswitch_init(dev, true); if (nphy->perical != 2) { b43_nphy_rssi_cal(dev); if (phy->rev >= 3) { nphy->cal_orig_pwr_idx[0] = nphy->txpwrindex[0].index_internal; nphy->cal_orig_pwr_idx[1] = nphy->txpwrindex[1].index_internal; /* TODO N PHY Pre Calibrate TX Gain */ target = b43_nphy_get_tx_gains(dev); } if (!b43_nphy_cal_tx_iq_lo(dev, target, true, false)) if (b43_nphy_cal_rx_iq(dev, target, 2, 0) == 0) b43_nphy_save_cal(dev); } else if (nphy->mphase_cal_phase_id == 0) { ;/* N PHY Periodic Calibration with arg 3 */ } } else { b43_nphy_restore_cal(dev); } } b43_nphy_tx_pwr_ctrl_coef_setup(dev); b43_nphy_tx_power_ctrl(dev, tx_pwr_state); b43_phy_write(dev, B43_NPHY_TXMACIF_HOLDOFF, 0x0015); b43_phy_write(dev, B43_NPHY_TXMACDELAY, 0x0320); if (phy->rev >= 3 && phy->rev <= 6) b43_phy_write(dev, B43_NPHY_PLOAD_CSENSE_EXTLEN, 0x0032); b43_nphy_tx_lpf_bw(dev); if (phy->rev >= 3) b43_nphy_spur_workaround(dev); return 0; } /************************************************** * Channel switching ops. **************************************************/ static void b43_chantab_phy_upload(struct b43_wldev *dev, const struct b43_phy_n_sfo_cfg *e) { b43_phy_write(dev, B43_NPHY_BW1A, e->phy_bw1a); b43_phy_write(dev, B43_NPHY_BW2, e->phy_bw2); b43_phy_write(dev, B43_NPHY_BW3, e->phy_bw3); b43_phy_write(dev, B43_NPHY_BW4, e->phy_bw4); b43_phy_write(dev, B43_NPHY_BW5, e->phy_bw5); b43_phy_write(dev, B43_NPHY_BW6, e->phy_bw6); } /* https://bcm-v4.sipsolutions.net/802.11/PmuSpurAvoid */ static void b43_nphy_pmu_spur_avoid(struct b43_wldev *dev, bool avoid) { switch (dev->dev->bus_type) { #ifdef CONFIG_B43_BCMA case B43_BUS_BCMA: bcma_pmu_spuravoid_pllupdate(&dev->dev->bdev->bus->drv_cc, avoid); break; #endif #ifdef CONFIG_B43_SSB case B43_BUS_SSB: ssb_pmu_spuravoid_pllupdate(&dev->dev->sdev->bus->chipco, avoid); break; #endif } } /* https://bcm-v4.sipsolutions.net/802.11/PHY/N/ChanspecSetup */ static void b43_nphy_channel_setup(struct b43_wldev *dev, const struct b43_phy_n_sfo_cfg *e, struct ieee80211_channel *new_channel) { struct b43_phy *phy = &dev->phy; struct b43_phy_n *nphy = dev->phy.n; int ch = new_channel->hw_value; u16 tmp16; if (new_channel->band == NL80211_BAND_5GHZ) { /* Switch to 2 GHz for a moment to access B43_PHY_B_BBCFG */ b43_phy_mask(dev, B43_NPHY_BANDCTL, ~B43_NPHY_BANDCTL_5GHZ); tmp16 = b43_read16(dev, B43_MMIO_PSM_PHY_HDR); b43_write16(dev, B43_MMIO_PSM_PHY_HDR, tmp16 | 4); /* Put BPHY in the reset */ b43_phy_set(dev, B43_PHY_B_BBCFG, B43_PHY_B_BBCFG_RSTCCA | B43_PHY_B_BBCFG_RSTRX); b43_write16(dev, B43_MMIO_PSM_PHY_HDR, tmp16); b43_phy_set(dev, B43_NPHY_BANDCTL, B43_NPHY_BANDCTL_5GHZ); } else if (new_channel->band == NL80211_BAND_2GHZ) { b43_phy_mask(dev, B43_NPHY_BANDCTL, ~B43_NPHY_BANDCTL_5GHZ); tmp16 = b43_read16(dev, B43_MMIO_PSM_PHY_HDR); b43_write16(dev, B43_MMIO_PSM_PHY_HDR, tmp16 | 4); /* Take BPHY out of the reset */ b43_phy_mask(dev, B43_PHY_B_BBCFG, ~(B43_PHY_B_BBCFG_RSTCCA | B43_PHY_B_BBCFG_RSTRX) & 0xffff); b43_write16(dev, B43_MMIO_PSM_PHY_HDR, tmp16); } b43_chantab_phy_upload(dev, e); if (new_channel->hw_value == 14) { b43_nphy_classifier(dev, 2, 0); b43_phy_set(dev, B43_PHY_B_TEST, 0x0800); } else { b43_nphy_classifier(dev, 2, 2); if (new_channel->band == NL80211_BAND_2GHZ) b43_phy_mask(dev, B43_PHY_B_TEST, ~0x840); } if (!nphy->txpwrctrl) b43_nphy_tx_power_fix(dev); if (dev->phy.rev < 3) b43_nphy_adjust_lna_gain_table(dev); b43_nphy_tx_lpf_bw(dev); if (dev->phy.rev >= 3 && dev->phy.n->spur_avoid != B43_SPUR_AVOID_DISABLE) { u8 spuravoid = 0; if (dev->phy.n->spur_avoid == B43_SPUR_AVOID_FORCE) { spuravoid = 1; } else if (phy->rev >= 19) { /* TODO */ } else if (phy->rev >= 18) { /* TODO */ } else if (phy->rev >= 17) { /* TODO: Off for channels 1-11, but check 12-14! */ } else if (phy->rev >= 16) { /* TODO: Off for 2 GHz, but check 5 GHz! */ } else if (phy->rev >= 7) { if (!b43_is_40mhz(dev)) { /* 20MHz */ if (ch == 13 || ch == 14 || ch == 153) spuravoid = 1; } else { /* 40 MHz */ if (ch == 54) spuravoid = 1; } } else { if (!b43_is_40mhz(dev)) { /* 20MHz */ if ((ch >= 5 && ch <= 8) || ch == 13 || ch == 14) spuravoid = 1; } else { /* 40MHz */ if (nphy->aband_spurwar_en && (ch == 38 || ch == 102 || ch == 118)) spuravoid = dev->dev->chip_id == 0x4716; } } b43_nphy_pmu_spur_avoid(dev, spuravoid); b43_mac_switch_freq(dev, spuravoid); if (dev->phy.rev == 3 || dev->phy.rev == 4) b43_wireless_core_phy_pll_reset(dev); if (spuravoid) b43_phy_set(dev, B43_NPHY_BBCFG, B43_NPHY_BBCFG_RSTRX); else b43_phy_mask(dev, B43_NPHY_BBCFG, ~B43_NPHY_BBCFG_RSTRX & 0xFFFF); b43_nphy_reset_cca(dev); /* wl sets useless phy_isspuravoid here */ } b43_phy_write(dev, B43_NPHY_NDATAT_DUP40, 0x3830); if (phy->rev >= 3) b43_nphy_spur_workaround(dev); } /* https://bcm-v4.sipsolutions.net/802.11/PHY/N/SetChanspec */ static int b43_nphy_set_channel(struct b43_wldev *dev, struct ieee80211_channel *channel, enum nl80211_channel_type channel_type) { struct b43_phy *phy = &dev->phy; const struct b43_nphy_channeltab_entry_rev2 *tabent_r2 = NULL; const struct b43_nphy_channeltab_entry_rev3 *tabent_r3 = NULL; const struct b43_nphy_chantabent_rev7 *tabent_r7 = NULL; const struct b43_nphy_chantabent_rev7_2g *tabent_r7_2g = NULL; u8 tmp; if (phy->rev >= 19) { return -ESRCH; /* TODO */ } else if (phy->rev >= 7) { r2057_get_chantabent_rev7(dev, channel->center_freq, &tabent_r7, &tabent_r7_2g); if (!tabent_r7 && !tabent_r7_2g) return -ESRCH; } else if (phy->rev >= 3) { tabent_r3 = b43_nphy_get_chantabent_rev3(dev, channel->center_freq); if (!tabent_r3) return -ESRCH; } else { tabent_r2 = b43_nphy_get_chantabent_rev2(dev, channel->hw_value); if (!tabent_r2) return -ESRCH; } /* Channel is set later in common code, but we need to set it on our own to let this function's subcalls work properly. */ phy->channel = channel->hw_value; #if 0 if (b43_channel_type_is_40mhz(phy->channel_type) != b43_channel_type_is_40mhz(channel_type)) ; /* TODO: BMAC BW Set (channel_type) */ #endif if (channel_type == NL80211_CHAN_HT40PLUS) { b43_phy_set(dev, B43_NPHY_RXCTL, B43_NPHY_RXCTL_BSELU20); if (phy->rev >= 7) b43_phy_set(dev, 0x310, 0x8000); } else if (channel_type == NL80211_CHAN_HT40MINUS) { b43_phy_mask(dev, B43_NPHY_RXCTL, ~B43_NPHY_RXCTL_BSELU20); if (phy->rev >= 7) b43_phy_mask(dev, 0x310, 0x7fff); } if (phy->rev >= 19) { /* TODO */ } else if (phy->rev >= 7) { const struct b43_phy_n_sfo_cfg *phy_regs = tabent_r7 ? &(tabent_r7->phy_regs) : &(tabent_r7_2g->phy_regs); if (phy->radio_rev <= 4 || phy->radio_rev == 6) { tmp = (channel->band == NL80211_BAND_5GHZ) ? 2 : 0; b43_radio_maskset(dev, R2057_TIA_CONFIG_CORE0, ~2, tmp); b43_radio_maskset(dev, R2057_TIA_CONFIG_CORE1, ~2, tmp); } b43_radio_2057_setup(dev, tabent_r7, tabent_r7_2g); b43_nphy_channel_setup(dev, phy_regs, channel); } else if (phy->rev >= 3) { tmp = (channel->band == NL80211_BAND_5GHZ) ? 4 : 0; b43_radio_maskset(dev, 0x08, 0xFFFB, tmp); b43_radio_2056_setup(dev, tabent_r3); b43_nphy_channel_setup(dev, &(tabent_r3->phy_regs), channel); } else { tmp = (channel->band == NL80211_BAND_5GHZ) ? 0x0020 : 0x0050; b43_radio_maskset(dev, B2055_MASTER1, 0xFF8F, tmp); b43_radio_2055_setup(dev, tabent_r2); b43_nphy_channel_setup(dev, &(tabent_r2->phy_regs), channel); } return 0; } /************************************************** * Basic PHY ops. **************************************************/ static int b43_nphy_op_allocate(struct b43_wldev *dev) { struct b43_phy_n *nphy; nphy = kzalloc(sizeof(*nphy), GFP_KERNEL); if (!nphy) return -ENOMEM; dev->phy.n = nphy; return 0; } static void b43_nphy_op_prepare_structs(struct b43_wldev *dev) { struct b43_phy *phy = &dev->phy; struct b43_phy_n *nphy = phy->n; struct ssb_sprom *sprom = dev->dev->bus_sprom; memset(nphy, 0, sizeof(*nphy)); nphy->hang_avoid = (phy->rev == 3 || phy->rev == 4); nphy->spur_avoid = (phy->rev >= 3) ? B43_SPUR_AVOID_AUTO : B43_SPUR_AVOID_DISABLE; nphy->gain_boost = true; /* this way we follow wl, assume it is true */ nphy->txrx_chain = 2; /* sth different than 0 and 1 for now */ nphy->phyrxchain = 3; /* to avoid b43_nphy_set_rx_core_state like wl */ nphy->perical = 2; /* avoid additional rssi cal on init (like wl) */ /* 128 can mean disabled-by-default state of TX pwr ctl. Max value is * 0x7f == 127 and we check for 128 when restoring TX pwr ctl. */ nphy->tx_pwr_idx[0] = 128; nphy->tx_pwr_idx[1] = 128; /* Hardware TX power control and 5GHz power gain */ nphy->txpwrctrl = false; nphy->pwg_gain_5ghz = false; if (dev->phy.rev >= 3 || (dev->dev->board_vendor == PCI_VENDOR_ID_APPLE && (dev->dev->core_rev == 11 || dev->dev->core_rev == 12))) { nphy->txpwrctrl = true; nphy->pwg_gain_5ghz = true; } else if (sprom->revision >= 4) { if (dev->phy.rev >= 2 && (sprom->boardflags2_lo & B43_BFL2_TXPWRCTRL_EN)) { nphy->txpwrctrl = true; #ifdef CONFIG_B43_SSB if (dev->dev->bus_type == B43_BUS_SSB && dev->dev->sdev->bus->bustype == SSB_BUSTYPE_PCI) { struct pci_dev *pdev = dev->dev->sdev->bus->host_pci; if (pdev->device == 0x4328 || pdev->device == 0x432a) nphy->pwg_gain_5ghz = true; } #endif } else if (sprom->boardflags2_lo & B43_BFL2_5G_PWRGAIN) { nphy->pwg_gain_5ghz = true; } } if (dev->phy.rev >= 3) { nphy->ipa2g_on = sprom->fem.ghz2.extpa_gain == 2; nphy->ipa5g_on = sprom->fem.ghz5.extpa_gain == 2; } } static void b43_nphy_op_free(struct b43_wldev *dev) { struct b43_phy *phy = &dev->phy; struct b43_phy_n *nphy = phy->n; kfree(nphy); phy->n = NULL; } static int b43_nphy_op_init(struct b43_wldev *dev) { return b43_phy_initn(dev); } static inline void check_phyreg(struct b43_wldev *dev, u16 offset) { #if B43_DEBUG if ((offset & B43_PHYROUTE) == B43_PHYROUTE_OFDM_GPHY) { /* OFDM registers are onnly available on A/G-PHYs */ b43err(dev->wl, "Invalid OFDM PHY access at " "0x%04X on N-PHY\n", offset); dump_stack(); } if ((offset & B43_PHYROUTE) == B43_PHYROUTE_EXT_GPHY) { /* Ext-G registers are only available on G-PHYs */ b43err(dev->wl, "Invalid EXT-G PHY access at " "0x%04X on N-PHY\n", offset); dump_stack(); } #endif /* B43_DEBUG */ } static void b43_nphy_op_maskset(struct b43_wldev *dev, u16 reg, u16 mask, u16 set) { check_phyreg(dev, reg); b43_write16f(dev, B43_MMIO_PHY_CONTROL, reg); b43_maskset16(dev, B43_MMIO_PHY_DATA, mask, set); dev->phy.writes_counter = 1; } static u16 b43_nphy_op_radio_read(struct b43_wldev *dev, u16 reg) { /* Register 1 is a 32-bit register. */ B43_WARN_ON(dev->phy.rev < 7 && reg == 1); if (dev->phy.rev >= 7) reg |= 0x200; /* Radio 0x2057 */ else reg |= 0x100; b43_write16f(dev, B43_MMIO_RADIO_CONTROL, reg); return b43_read16(dev, B43_MMIO_RADIO_DATA_LOW); } static void b43_nphy_op_radio_write(struct b43_wldev *dev, u16 reg, u16 value) { /* Register 1 is a 32-bit register. */ B43_WARN_ON(dev->phy.rev < 7 && reg == 1); b43_write16f(dev, B43_MMIO_RADIO_CONTROL, reg); b43_write16(dev, B43_MMIO_RADIO_DATA_LOW, value); } /* https://bcm-v4.sipsolutions.net/802.11/Radio/Switch%20Radio */ static void b43_nphy_op_software_rfkill(struct b43_wldev *dev, bool blocked) { struct b43_phy *phy = &dev->phy; if (b43_read32(dev, B43_MMIO_MACCTL) & B43_MACCTL_ENABLED) b43err(dev->wl, "MAC not suspended\n"); if (blocked) { if (phy->rev >= 19) { /* TODO */ } else if (phy->rev >= 8) { b43_phy_mask(dev, B43_NPHY_RFCTL_CMD, ~B43_NPHY_RFCTL_CMD_CHIP0PU); } else if (phy->rev >= 7) { /* Nothing needed */ } else if (phy->rev >= 3) { b43_phy_mask(dev, B43_NPHY_RFCTL_CMD, ~B43_NPHY_RFCTL_CMD_CHIP0PU); b43_radio_mask(dev, 0x09, ~0x2); b43_radio_write(dev, 0x204D, 0); b43_radio_write(dev, 0x2053, 0); b43_radio_write(dev, 0x2058, 0); b43_radio_write(dev, 0x205E, 0); b43_radio_mask(dev, 0x2062, ~0xF0); b43_radio_write(dev, 0x2064, 0); b43_radio_write(dev, 0x304D, 0); b43_radio_write(dev, 0x3053, 0); b43_radio_write(dev, 0x3058, 0); b43_radio_write(dev, 0x305E, 0); b43_radio_mask(dev, 0x3062, ~0xF0); b43_radio_write(dev, 0x3064, 0); } } else { if (phy->rev >= 19) { /* TODO */ } else if (phy->rev >= 7) { if (!dev->phy.radio_on) b43_radio_2057_init(dev); b43_switch_channel(dev, dev->phy.channel); } else if (phy->rev >= 3) { if (!dev->phy.radio_on) b43_radio_init2056(dev); b43_switch_channel(dev, dev->phy.channel); } else { b43_radio_init2055(dev); } } } /* https://bcm-v4.sipsolutions.net/802.11/PHY/Anacore */ static void b43_nphy_op_switch_analog(struct b43_wldev *dev, bool on) { struct b43_phy *phy = &dev->phy; u16 override = on ? 0x0 : 0x7FFF; u16 core = on ? 0xD : 0x00FD; if (phy->rev >= 19) { /* TODO */ } else if (phy->rev >= 3) { if (on) { b43_phy_write(dev, B43_NPHY_AFECTL_C1, core); b43_phy_write(dev, B43_NPHY_AFECTL_OVER1, override); b43_phy_write(dev, B43_NPHY_AFECTL_C2, core); b43_phy_write(dev, B43_NPHY_AFECTL_OVER, override); } else { b43_phy_write(dev, B43_NPHY_AFECTL_OVER1, override); b43_phy_write(dev, B43_NPHY_AFECTL_C1, core); b43_phy_write(dev, B43_NPHY_AFECTL_OVER, override); b43_phy_write(dev, B43_NPHY_AFECTL_C2, core); } } else { b43_phy_write(dev, B43_NPHY_AFECTL_OVER, override); } } static int b43_nphy_op_switch_channel(struct b43_wldev *dev, unsigned int new_channel) { struct ieee80211_channel *channel = dev->wl->hw->conf.chandef.chan; enum nl80211_channel_type channel_type = cfg80211_get_chandef_type(&dev->wl->hw->conf.chandef); if (b43_current_band(dev->wl) == NL80211_BAND_2GHZ) { if ((new_channel < 1) || (new_channel > 14)) return -EINVAL; } else { if (new_channel > 200) return -EINVAL; } return b43_nphy_set_channel(dev, channel, channel_type); } static unsigned int b43_nphy_op_get_default_chan(struct b43_wldev *dev) { if (b43_current_band(dev->wl) == NL80211_BAND_2GHZ) return 1; return 36; } const struct b43_phy_operations b43_phyops_n = { .allocate = b43_nphy_op_allocate, .free = b43_nphy_op_free, .prepare_structs = b43_nphy_op_prepare_structs, .init = b43_nphy_op_init, .phy_maskset = b43_nphy_op_maskset, .radio_read = b43_nphy_op_radio_read, .radio_write = b43_nphy_op_radio_write, .software_rfkill = b43_nphy_op_software_rfkill, .switch_analog = b43_nphy_op_switch_analog, .switch_channel = b43_nphy_op_switch_channel, .get_default_chan = b43_nphy_op_get_default_chan, .recalc_txpower = b43_nphy_op_recalc_txpower, };
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