/* Broadcom B43 wireless driver IEEE 802.11n PHY support Copyright (c) 2008 Michael Buesch This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program; see the file COPYING. If not, write to the Free Software Foundation, Inc., 51 Franklin Steet, Fifth Floor, Boston, MA 02110-1301, USA. */ #include #include #include #include "b43.h" #include "phy_n.h" #include "tables_nphy.h" #include "main.h" struct nphy_txgains { u16 txgm[2]; u16 pga[2]; u16 pad[2]; u16 ipa[2]; }; struct nphy_iqcal_params { 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, }; static void b43_nphy_set_rf_sequence(struct b43_wldev *dev, u8 cmd, u8 *events, u8 *delays, u8 length); static void b43_nphy_force_rf_sequence(struct b43_wldev *dev, enum b43_nphy_rf_sequence seq); static void b43_nphy_rf_control_override(struct b43_wldev *dev, u16 field, u16 value, u8 core, bool off); static void b43_nphy_rf_control_intc_override(struct b43_wldev *dev, u8 field, u16 value, u8 core); static int nphy_channel_switch(struct b43_wldev *dev, unsigned int channel); static inline bool b43_empty_chanspec(struct b43_chanspec *chanspec) { return !chanspec->channel && !chanspec->sideband && !chanspec->b_width && !chanspec->b_freq; } static inline bool b43_eq_chanspecs(struct b43_chanspec *chanspec1, struct b43_chanspec *chanspec2) { return (chanspec1->channel == chanspec2->channel && chanspec1->sideband == chanspec2->sideband && chanspec1->b_width == chanspec2->b_width && chanspec1->b_freq == chanspec2->b_freq); } void b43_nphy_set_rxantenna(struct b43_wldev *dev, int antenna) {//TODO } static void b43_nphy_op_adjust_txpower(struct b43_wldev *dev) {//TODO } static enum b43_txpwr_result b43_nphy_op_recalc_txpower(struct b43_wldev *dev, bool ignore_tssi) {//TODO return B43_TXPWR_RES_DONE; } 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); } 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); } static void b43_nphy_tx_power_fix(struct b43_wldev *dev) { //TODO } /* http://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); struct ssb_boardinfo *binfo = &(dev->dev->bus->boardinfo); int i; u16 val; bool workaround = false; if (sprom->revision < 4) workaround = (binfo->vendor != PCI_VENDOR_ID_BROADCOM || binfo->type != 0x46D || binfo->rev < 0x41); else workaround = ((sprom->boardflags_hi & B43_BFH_NOPA) == 0); 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); for (i = 0; i < 200; i++) { val = b43_radio_read(dev, B2055_CAL_COUT2); if (val & 0x80) { i = 0; break; } udelay(10); } if (i) b43err(dev->wl, "radio post init timeout\n"); b43_radio_mask(dev, B2055_CAL_LPOCTL, 0xFF7F); nphy_channel_switch(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 * http://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) b2055_upload_inittab(dev, 0, 1); else b2055_upload_inittab(dev, 0/*FIXME on 5ghz band*/, 0); b43_radio_init2055_post(dev); } /* * Initialize a Broadcom 2056 N-radio * http://bcm-v4.sipsolutions.net/802.11/Radio/2056/Init */ static void b43_radio_init2056(struct b43_wldev *dev) { /* TODO */ } /* * Upload the N-PHY tables. * http://bcm-v4.sipsolutions.net/802.11/PHY/N/InitTables */ static void b43_nphy_tables_init(struct b43_wldev *dev) { if (dev->phy.rev < 3) b43_nphy_rev0_1_2_tables_init(dev); else b43_nphy_rev3plus_tables_init(dev); } /* http://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 ieee80211_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 >= 3) { if (band == IEEE80211_BAND_5GHZ) tmp = 0x600; else tmp = 0x480; } else { if (band == IEEE80211_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); } } /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/TxLpFbw */ static void b43_nphy_tx_lp_fbw(struct b43_wldev *dev) { struct b43_phy_n *nphy = dev->phy.n; u16 tmp; enum ieee80211_band band = b43_current_band(dev->wl); bool ipa = (nphy->ipa2g_on && band == IEEE80211_BAND_2GHZ) || (nphy->ipa5g_on && band == IEEE80211_BAND_5GHZ); if (dev->phy.rev >= 3) { if (ipa) { tmp = 4; b43_phy_write(dev, B43_NPHY_TXF_40CO_B32S2, (((((tmp << 3) | tmp) << 3) | tmp) << 3) | tmp); } tmp = 1; b43_phy_write(dev, B43_NPHY_TXF_40CO_B1S2, (((((tmp << 3) | tmp) << 3) | tmp) << 3) | tmp); } } /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/BmacPhyClkFgc */ static void b43_nphy_bmac_clock_fgc(struct b43_wldev *dev, bool force) { u32 tmslow; if (dev->phy.type != B43_PHYTYPE_N) return; tmslow = ssb_read32(dev->dev, SSB_TMSLOW); if (force) tmslow |= SSB_TMSLOW_FGC; else tmslow &= ~SSB_TMSLOW_FGC; ssb_write32(dev->dev, SSB_TMSLOW, tmslow); } /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/CCA */ static void b43_nphy_reset_cca(struct b43_wldev *dev) { u16 bbcfg; b43_nphy_bmac_clock_fgc(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_nphy_bmac_clock_fgc(dev, 0); b43_nphy_force_rf_sequence(dev, B43_RFSEQ_RESET2RX); } /* http://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); } /* http://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); } /* http://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)); } /* http://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); } } /* http://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]); } /* http://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_control_intc_override(dev, 2, 0, 3); b43_nphy_rf_control_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_control_intc_override(dev, 1, rxval, (core + 1)); b43_nphy_rf_control_intc_override(dev, 1, txval, (2 - core)); } /* http://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 { B43_WARN_ON(1); 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); } /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/TxIqWar */ static void b43_nphy_tx_iq_workaround(struct b43_wldev *dev) { u16 array[4]; int i; b43_phy_write(dev, B43_NPHY_TABLE_ADDR, 0x3C50); for (i = 0; i < 4; i++) array[i] = b43_phy_read(dev, B43_NPHY_TABLE_DATALO); 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]); } /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/clip-detection */ static void b43_nphy_write_clip_detection(struct b43_wldev *dev, 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]); } /* http://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); } /* http://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 >= 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); ssb_chipco_gpio_control(&dev->dev->bus->chipco, 0xFC00, 0xFC00); b43_write32(dev, B43_MMIO_MACCTL, b43_read32(dev, B43_MMIO_MACCTL) & ~B43_MACCTL_GPOUTSMSK); b43_write16(dev, B43_MMIO_GPIO_MASK, b43_read16(dev, B43_MMIO_GPIO_MASK) | 0xFC00); b43_write16(dev, B43_MMIO_GPIO_CONTROL, b43_read16(dev, B43_MMIO_GPIO_CONTROL) & ~0xFC00); 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/N/classifier */ static u16 b43_nphy_classifier(struct b43_wldev *dev, u16 mask, u16 val) { u16 tmp; if (dev->dev->id.revision == 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->id.revision == 16) b43_mac_enable(dev); return tmp; } /* http://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) { u16 clip[] = { 0xFFFF, 0xFFFF }; if (nphy->deaf_count++ == 0) { nphy->classifier_state = b43_nphy_classifier(dev, 0, 0); b43_nphy_classifier(dev, 0x7, 0); 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); } } } /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/stop-playback */ static void b43_nphy_stop_playback(struct b43_wldev *dev) { 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 (nphy->hang_avoid) b43_nphy_stay_in_carrier_search(dev, 0); } /* http://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; u8 channel = nphy->radio_chanspec.channel; int tone[2] = { 57, 58 }; u32 noise[2] = { 0x3FF, 0x3FF }; B43_WARN_ON(dev->phy.rev < 3); if (nphy->hang_avoid) b43_nphy_stay_in_carrier_search(dev, 1); if (nphy->gband_spurwar_en) { /* TODO: N PHY Adjust Analog Pfbw (7) */ if (channel == 11 && dev->phy.is_40mhz) ; /* TODO: N PHY Adjust Min Noise Var(2, tone, noise)*/ else ; /* TODO: N PHY Adjust Min Noise Var(0, NULL, NULL)*/ /* TODO: N PHY Adjust CRS Min Power (0x1E) */ } if (nphy->aband_spurwar_en) { if (channel == 54) { tone[0] = 0x20; noise[0] = 0x25F; } else if (channel == 38 || channel == 102 || channel == 118) { if (0 /* FIXME */) { tone[0] = 0x20; noise[0] = 0x21F; } else { tone[0] = 0; noise[0] = 0; } } else if (channel == 134) { tone[0] = 0x20; noise[0] = 0x21F; } else if (channel == 151) { tone[0] = 0x10; noise[0] = 0x23F; } else if (channel == 153 || channel == 161) { tone[0] = 0x30; noise[0] = 0x23F; } else { tone[0] = 0; noise[0] = 0; } if (!tone[0] && !noise[0]) ; /* TODO: N PHY Adjust Min Noise Var(1, tone, noise)*/ else ; /* TODO: N PHY Adjust Min Noise Var(0, NULL, NULL)*/ } if (nphy->hang_avoid) b43_nphy_stay_in_carrier_search(dev, 0); } /* http://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]; u16 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) == IEEE80211_BAND_2GHZ) { gain[0] = 6; gain[1] = 6; } else { tmp = 40370 - 315 * nphy->radio_chanspec.channel; gain[0] = ((tmp >> 13) + ((tmp >> 12) & 1)); tmp = 23242 - 224 * nphy->radio_chanspec.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(10, 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); } /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/WorkaroundsGainCtrl */ static void b43_nphy_gain_ctrl_workarounds(struct b43_wldev *dev) { struct b43_phy_n *nphy = dev->phy.n; u8 i, j; u8 code; /* TODO: for PHY >= 3 s8 *lna1_gain, *lna2_gain; u8 *gain_db, *gain_bits; u16 *rfseq_init; u8 lpf_gain[6] = { 0x00, 0x06, 0x0C, 0x12, 0x12, 0x12 }; u8 lpf_bits[6] = { 0, 1, 2, 3, 3, 3 }; */ u8 rfseq_events[3] = { 6, 8, 7 }; u8 rfseq_delays[3] = { 10, 30, 1 }; if (dev->phy.rev >= 3) { /* TODO */ } else { /* 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_set(dev, B43_NPHY_C1_NBCLIPTHRES, 0x84); b43_phy_set(dev, B43_NPHY_C2_NBCLIPTHRES, 0x84); if (!dev->phy.is_40mhz) { /* Set dwell lengths */ b43_phy_set(dev, B43_NPHY_CLIP1_NBDWELL_LEN, 0x002B); b43_phy_set(dev, B43_NPHY_CLIP2_NBDWELL_LEN, 0x002B); b43_phy_set(dev, B43_NPHY_W1CLIP1_DWELL_LEN, 0x0009); b43_phy_set(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 (!dev->phy.is_40mhz) { 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_set(dev, B43_NPHY_CCK_SHIFTB_REF, 0x809C); if (nphy->gain_boost) { if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ && dev->phy.is_40mhz) code = 4; else code = 5; } else { code = dev->phy.is_40mhz ? 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); b43_phy_write(dev, B43_NPHY_TABLE_DATALO, (code << 8 | 0x7C)); 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); b43_phy_write(dev, B43_NPHY_TABLE_DATALO, (code << 8 | 0x74)); 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++) b43_phy_write(dev, B43_NPHY_TABLE_DATALO, 3 * j); } 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) == IEEE80211_BAND_2GHZ) b43_phy_maskset(dev, B43_PHY_N(0xC5D), 0xFF80, 4); } } } /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/Workarounds */ static void b43_nphy_workarounds(struct b43_wldev *dev) { struct ssb_bus *bus = dev->dev->bus; 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 (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ) 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); if (dev->phy.rev >= 3) { /* TODO */ } else { if (b43_current_band(dev->wl) == IEEE80211_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); } /* TODO: convert to b43_ntab_write? */ b43_phy_write(dev, B43_NPHY_TABLE_ADDR, 0x2000); b43_phy_write(dev, B43_NPHY_TABLE_DATALO, 0x000A); b43_phy_write(dev, B43_NPHY_TABLE_ADDR, 0x2010); b43_phy_write(dev, B43_NPHY_TABLE_DATALO, 0x000A); b43_phy_write(dev, B43_NPHY_TABLE_ADDR, 0x2002); b43_phy_write(dev, B43_NPHY_TABLE_DATALO, 0xCDAA); b43_phy_write(dev, B43_NPHY_TABLE_ADDR, 0x2012); b43_phy_write(dev, B43_NPHY_TABLE_DATALO, 0xCDAA); if (dev->phy.rev < 2) { b43_phy_write(dev, B43_NPHY_TABLE_ADDR, 0x2008); b43_phy_write(dev, B43_NPHY_TABLE_DATALO, 0x0000); b43_phy_write(dev, B43_NPHY_TABLE_ADDR, 0x2018); b43_phy_write(dev, B43_NPHY_TABLE_DATALO, 0x0000); b43_phy_write(dev, B43_NPHY_TABLE_ADDR, 0x2007); b43_phy_write(dev, B43_NPHY_TABLE_DATALO, 0x7AAB); b43_phy_write(dev, B43_NPHY_TABLE_ADDR, 0x2017); b43_phy_write(dev, B43_NPHY_TABLE_DATALO, 0x7AAB); b43_phy_write(dev, B43_NPHY_TABLE_ADDR, 0x2006); b43_phy_write(dev, B43_NPHY_TABLE_DATALO, 0x0800); b43_phy_write(dev, B43_NPHY_TABLE_ADDR, 0x2016); b43_phy_write(dev, B43_NPHY_TABLE_DATALO, 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); if (bus->sprom.boardflags2_lo & 0x100 && bus->boardinfo.type == 0x8B) { delays1[0] = 0x1; delays1[5] = 0x14; } b43_nphy_set_rf_sequence(dev, 0, events1, delays1, 7); b43_nphy_set_rf_sequence(dev, 1, events2, delays2, 7); b43_nphy_gain_ctrl_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); 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); } if (nphy->hang_avoid) b43_nphy_stay_in_carrier_search(dev, 0); } /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/LoadSampleTable */ static int b43_nphy_load_samples(struct b43_wldev *dev, struct b43_c32 *samples, u16 len) { struct b43_phy_n *nphy = dev->phy.n; u16 i; u32 *data; data = kzalloc(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; } /* http://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 b43_c32 *samples; bw = (dev->phy.is_40mhz) ? 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 (dev->phy.is_40mhz) bw <<= 1; len = bw << 1; } samples = kzalloc(len * sizeof(struct b43_c32), 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] = b43_cordic(angle); angle += rot; samples[i].q = CORDIC_CONVERT(samples[i].q * max); samples[i].i = CORDIC_CONVERT(samples[i].i * max); } i = b43_nphy_load_samples(dev, samples, len); kfree(samples); return (i < 0) ? 0 : len; } /* http://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) { struct b43_phy_n *nphy = dev->phy.n; int i; u16 seq_mode; u32 tmp; if (nphy->hang_avoid) b43_nphy_stay_in_carrier_search(dev, 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 (!dev->phy.is_40mhz) tmp = 0x6464; else tmp = 0x4747; b43_ntab_write(dev, B43_NTAB16(15, 87), tmp); if (nphy->hang_avoid) b43_nphy_stay_in_carrier_search(dev, false); 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 { if (dac_test) b43_phy_write(dev, B43_NPHY_SAMP_CMD, 5); else b43_phy_write(dev, B43_NPHY_SAMP_CMD, 1); } 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); } /* * Transmits a known value for LO calibration * http://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) { 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); return 0; } /* http://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); } /* http://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); } /* http://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); } /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/RFCtrlOverride */ static void b43_nphy_rf_control_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 << core) & i) != 0) { 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 ((core & (1 << i)) != 0) 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); } } } /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/RFCtrlIntcOverride */ static void b43_nphy_rf_control_intc_override(struct b43_wldev *dev, u8 field, u16 value, u8 core) { u8 i, j; u16 reg, tmp, val; B43_WARN_ON(dev->phy.rev < 3); B43_WARN_ON(field > 4); 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_mask(dev, reg, 0xFBFF); switch (field) { case 0: b43_phy_write(dev, reg, 0); b43_nphy_force_rf_sequence(dev, B43_RFSEQ_RESET2RX); break; case 1: 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 2: if (b43_current_band(dev->wl) == IEEE80211_BAND_5GHZ) { tmp = 0x0020; val = value << 5; } else { tmp = 0x0010; val = value << 4; } b43_phy_maskset(dev, reg, ~tmp, val); break; case 3: if (b43_current_band(dev->wl) == IEEE80211_BAND_5GHZ) { tmp = 0x0001; val = value; } else { tmp = 0x0004; val = value << 2; } b43_phy_maskset(dev, reg, ~tmp, val); break; case 4: if (b43_current_band(dev->wl) == IEEE80211_BAND_5GHZ) { tmp = 0x0002; val = value << 1; } else { tmp = 0x0008; val = value << 3; } b43_phy_maskset(dev, reg, ~tmp, val); break; } } } static void b43_nphy_bphy_init(struct b43_wldev *dev) { unsigned int i; u16 val; val = 0x1E1F; for (i = 0; i < 14; 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(0x97 + i), val); val -= 0x202; } b43_phy_write(dev, B43_PHY_N_BMODE(0x38), 0x668); } /* http://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, u8 rail, u8 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); if (core1or5 && (rail == 0) && (type == 2)) b43_phy_write(dev, B43_NPHY_RSSIMC_0I_RSSI_Z, tmp); if (core1or5 && (rail == 1) && (type == 2)) b43_phy_write(dev, B43_NPHY_RSSIMC_0Q_RSSI_Z, tmp); if (core2or5 && (rail == 0) && (type == 2)) b43_phy_write(dev, B43_NPHY_RSSIMC_1I_RSSI_Z, tmp); if (core2or5 && (rail == 1) && (type == 2)) b43_phy_write(dev, B43_NPHY_RSSIMC_1Q_RSSI_Z, tmp); if (core1or5 && (rail == 0) && (type == 0)) b43_phy_write(dev, B43_NPHY_RSSIMC_0I_RSSI_X, tmp); if (core1or5 && (rail == 1) && (type == 0)) b43_phy_write(dev, B43_NPHY_RSSIMC_0Q_RSSI_X, tmp); if (core2or5 && (rail == 0) && (type == 0)) b43_phy_write(dev, B43_NPHY_RSSIMC_1I_RSSI_X, tmp); if (core2or5 && (rail == 1) && (type == 0)) b43_phy_write(dev, B43_NPHY_RSSIMC_1Q_RSSI_X, tmp); if (core1or5 && (rail == 0) && (type == 1)) b43_phy_write(dev, B43_NPHY_RSSIMC_0I_RSSI_Y, tmp); if (core1or5 && (rail == 1) && (type == 1)) b43_phy_write(dev, B43_NPHY_RSSIMC_0Q_RSSI_Y, tmp); if (core2or5 && (rail == 0) && (type == 1)) b43_phy_write(dev, B43_NPHY_RSSIMC_1I_RSSI_Y, tmp); if (core2or5 && (rail == 1) && (type == 1)) b43_phy_write(dev, B43_NPHY_RSSIMC_1Q_RSSI_Y, tmp); if (core1or5 && (rail == 0) && (type == 6)) b43_phy_write(dev, B43_NPHY_RSSIMC_0I_TBD, tmp); if (core1or5 && (rail == 1) && (type == 6)) b43_phy_write(dev, B43_NPHY_RSSIMC_0Q_TBD, tmp); if (core2or5 && (rail == 0) && (type == 6)) b43_phy_write(dev, B43_NPHY_RSSIMC_1I_TBD, tmp); if (core2or5 && (rail == 1) && (type == 6)) b43_phy_write(dev, B43_NPHY_RSSIMC_1Q_TBD, tmp); if (core1or5 && (rail == 0) && (type == 3)) b43_phy_write(dev, B43_NPHY_RSSIMC_0I_PWRDET, tmp); if (core1or5 && (rail == 1) && (type == 3)) b43_phy_write(dev, B43_NPHY_RSSIMC_0Q_PWRDET, tmp); if (core2or5 && (rail == 0) && (type == 3)) b43_phy_write(dev, B43_NPHY_RSSIMC_1I_PWRDET, tmp); if (core2or5 && (rail == 1) && (type == 3)) b43_phy_write(dev, B43_NPHY_RSSIMC_1Q_PWRDET, tmp); if (core1or5 && (type == 4)) b43_phy_write(dev, B43_NPHY_RSSIMC_0I_TSSI, tmp); if (core2or5 && (type == 4)) b43_phy_write(dev, B43_NPHY_RSSIMC_1I_TSSI, tmp); if (core1or5 && (type == 5)) b43_phy_write(dev, B43_NPHY_RSSIMC_0Q_TSSI, tmp); if (core2or5 && (type == 5)) b43_phy_write(dev, B43_NPHY_RSSIMC_1Q_TSSI, tmp); } static void b43_nphy_rev2_rssi_select(struct b43_wldev *dev, u8 code, u8 type) { u16 val; if (type < 3) val = 0; else if (type == 6) val = 1; else if (type == 3) val = 2; else 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 (type < 3) { b43_phy_maskset(dev, B43_NPHY_RFCTL_RSSIO1, 0xFFCF, (type + 1) << 4); b43_phy_maskset(dev, B43_NPHY_RFCTL_RSSIO2, 0xFFCF, (type + 1) << 4); } /* TODO use some definitions */ if (code == 0) { b43_phy_maskset(dev, B43_NPHY_AFECTL_OVER, 0xCFFF, 0); if (type < 3) { b43_phy_maskset(dev, B43_NPHY_RFCTL_CMD, 0xFEC7, 0); b43_phy_maskset(dev, B43_NPHY_RFCTL_OVER, 0xEFDC, 0); b43_phy_maskset(dev, B43_NPHY_RFCTL_CMD, 0xFFFE, 0); udelay(20); b43_phy_maskset(dev, B43_NPHY_RFCTL_OVER, 0xFFFE, 0); } } else { b43_phy_maskset(dev, B43_NPHY_AFECTL_OVER, 0xCFFF, 0x3000); if (type < 3) { b43_phy_maskset(dev, B43_NPHY_RFCTL_CMD, 0xFEC7, 0x0180); b43_phy_maskset(dev, B43_NPHY_RFCTL_OVER, 0xEFDC, (code << 1 | 0x1021)); b43_phy_maskset(dev, B43_NPHY_RFCTL_CMD, 0xFFFE, 0x1); udelay(20); b43_phy_maskset(dev, B43_NPHY_RFCTL_OVER, 0xFFFE, 0); } } } static void b43_nphy_rev3_rssi_select(struct b43_wldev *dev, u8 code, u8 type) { struct b43_phy_n *nphy = dev->phy.n; 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 (type < 3) { 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 (type == 0) val = (b43_current_band(dev->wl) == IEEE80211_BAND_5GHZ) ? 4 : 8; else if (type == 1) 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 (type == 6) val = 0x0100; else if (type == 3) 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 (type != 3 && type != 6) { enum ieee80211_band band = b43_current_band(dev->wl); if ((nphy->ipa2g_on && band == IEEE80211_BAND_2GHZ) || (nphy->ipa5g_on && band == IEEE80211_BAND_5GHZ)) val = (band == IEEE80211_BAND_5GHZ) ? 0xC : 0xE; else val = 0x11; reg = (i == 0) ? 0x2000 : 0x3000; reg |= B2055_PADDRV; b43_radio_write16(dev, reg, val); reg = (i == 0) ? B43_NPHY_AFECTL_OVER1 : B43_NPHY_AFECTL_OVER; b43_phy_set(dev, reg, 0x0200); } } } } } /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/RSSISel */ static void b43_nphy_rssi_select(struct b43_wldev *dev, u8 code, u8 type) { if (dev->phy.rev >= 3) b43_nphy_rev3_rssi_select(dev, code, type); else b43_nphy_rev2_rssi_select(dev, code, type); } /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/SetRssi2055Vcm */ static void b43_nphy_set_rssi_2055_vcm(struct b43_wldev *dev, u8 type, u8 *buf) { int i; for (i = 0; i < 2; i++) { if (type == 2) { 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); } } } /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/PollRssi */ static int b43_nphy_poll_rssi(struct b43_wldev *dev, u8 type, s32 *buf, u8 nsamp) { int i; int out; u16 save_regs_phy[9]; u16 s[2]; if (dev->phy.rev >= 3) { save_regs_phy[0] = b43_phy_read(dev, B43_NPHY_RFCTL_LUT_TRSW_UP1); save_regs_phy[1] = b43_phy_read(dev, B43_NPHY_RFCTL_LUT_TRSW_UP2); save_regs_phy[2] = b43_phy_read(dev, B43_NPHY_AFECTL_C1); save_regs_phy[3] = b43_phy_read(dev, B43_NPHY_AFECTL_C2); 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); } b43_nphy_rssi_select(dev, 5, 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_RFCTL_LUT_TRSW_UP1, save_regs_phy[0]); b43_phy_write(dev, B43_NPHY_RFCTL_LUT_TRSW_UP2, save_regs_phy[1]); b43_phy_write(dev, B43_NPHY_AFECTL_C1, save_regs_phy[2]); b43_phy_write(dev, B43_NPHY_AFECTL_C2, 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]); } return out; } /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/RSSICal */ static void b43_nphy_rev2_rssi_cal(struct b43_wldev *dev, u8 type) { int i, j; u8 state[4]; u8 code, val; u16 class, override; u8 regs_save_radio[2]; u16 regs_save_phy[2]; s8 offset[4]; 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 == 2) { code = 0; val = 6; } else if (type < 2) { 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) == IEEE80211_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_read16(dev, B2055_C1_PD_RXTX); b43_phy_write(dev, B43_NPHY_RFCTL_INTC1, override); b43_radio_write16(dev, B2055_C1_PD_RXTX, val); regs_save_phy[1] = b43_phy_read(dev, B43_NPHY_RFCTL_INTC2); regs_save_radio[1] = b43_radio_read16(dev, B2055_C2_PD_RXTX); b43_phy_write(dev, B43_NPHY_RFCTL_INTC2, override); b43_radio_write16(dev, B2055_C2_PD_RXTX, val); state[0] = b43_radio_read16(dev, B2055_C1_PD_RSSIMISC) & 0x07; state[1] = b43_radio_read16(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_read16(dev, B2055_C1_SP_RSSI) & 0x07; state[3] = b43_radio_read16(dev, B2055_C2_SP_RSSI) & 0x07; b43_nphy_rssi_select(dev, 5, type); b43_nphy_scale_offset_rssi(dev, 0, 0, 5, 0, type); b43_nphy_scale_offset_rssi(dev, 0, 0, 5, 1, type); for (i = 0; i < 4; i++) { u8 tmp[4]; for (j = 0; j < 4; j++) tmp[j] = i; if (type != 1) b43_nphy_set_rssi_2055_vcm(dev, type, tmp); b43_nphy_poll_rssi(dev, type, results[i], 8); if (type < 2) for (j = 0; j < 2; j++) miniq[i][j] = min(results[i][2 * j], results[i][2 * j + 1]); } for (i = 0; i < 4; i++) { s32 mind = 40; u8 minvcm = 0; s32 minpoll = 249; s32 curr; for (j = 0; j < 4; j++) { if (type == 2) curr = abs(results[j][i]); else curr = abs(miniq[j][i / 2] - code * 8); if (curr < mind) { mind = curr; minvcm = j; } if (results[j][i] < minpoll) minpoll = results[j][i]; } results_min[i] = minpoll; vcm_final[i] = minvcm; } if (type != 1) 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; if (i % 2 == 0) b43_nphy_scale_offset_rssi(dev, 0, offset[i], 1, 0, type); else b43_nphy_scale_offset_rssi(dev, 0, offset[i], 2, 1, type); } b43_radio_maskset(dev, B2055_C1_PD_RSSIMISC, 0xF8, state[0]); b43_radio_maskset(dev, B2055_C1_PD_RSSIMISC, 0xF8, state[1]); switch (state[2]) { case 1: b43_nphy_rssi_select(dev, 1, 2); break; case 4: b43_nphy_rssi_select(dev, 1, 0); break; case 2: b43_nphy_rssi_select(dev, 1, 1); break; default: b43_nphy_rssi_select(dev, 1, 1); break; } switch (state[3]) { case 1: b43_nphy_rssi_select(dev, 2, 2); break; case 4: b43_nphy_rssi_select(dev, 2, 0); break; default: b43_nphy_rssi_select(dev, 2, 1); break; } b43_nphy_rssi_select(dev, 0, type); b43_phy_write(dev, B43_NPHY_RFCTL_INTC1, regs_save_phy[0]); b43_radio_write16(dev, B2055_C1_PD_RXTX, regs_save_radio[0]); b43_phy_write(dev, B43_NPHY_RFCTL_INTC2, regs_save_phy[1]); b43_radio_write16(dev, B2055_C2_PD_RXTX, regs_save_radio[1]); b43_nphy_classifier(dev, 7, class); b43_nphy_write_clip_detection(dev, clip_state); } /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/RSSICalRev3 */ static void b43_nphy_rev3_rssi_cal(struct b43_wldev *dev) { /* TODO */ } /* * RSSI Calibration * http://bcm-v4.sipsolutions.net/802.11/PHY/N/RSSICal */ static void b43_nphy_rssi_cal(struct b43_wldev *dev) { if (dev->phy.rev >= 3) { b43_nphy_rev3_rssi_cal(dev); } else { b43_nphy_rev2_rssi_cal(dev, 2); b43_nphy_rev2_rssi_cal(dev, 0); b43_nphy_rev2_rssi_cal(dev, 1); } } /* * Restore RSSI Calibration * http://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) == IEEE80211_BAND_2GHZ) { if (b43_empty_chanspec(&nphy->rssical_chanspec_2G)) return; rssical_radio_regs = nphy->rssical_cache.rssical_radio_regs_2G; rssical_phy_regs = nphy->rssical_cache.rssical_phy_regs_2G; } else { if (b43_empty_chanspec(&nphy->rssical_chanspec_5G)) return; rssical_radio_regs = nphy->rssical_cache.rssical_radio_regs_5G; rssical_phy_regs = nphy->rssical_cache.rssical_phy_regs_5G; } /* TODO use some definitions */ b43_radio_maskset(dev, 0x602B, 0xE3, rssical_radio_regs[0]); b43_radio_maskset(dev, 0x702B, 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]); } /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/GetIpaGainTbl */ static const u32 *b43_nphy_get_ipa_gain_table(struct b43_wldev *dev) { if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ) { if (dev->phy.rev >= 6) { /* TODO If the chip is 47162 return txpwrctrl_tx_gain_ipa_rev5 */ return txpwrctrl_tx_gain_ipa_rev6; } else if (dev->phy.rev >= 5) { return txpwrctrl_tx_gain_ipa_rev5; } else { return txpwrctrl_tx_gain_ipa; } } else { return txpwrctrl_tx_gain_ipa_5g; } } /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/TxCalRadioSetup */ static void b43_nphy_tx_cal_radio_setup(struct b43_wldev *dev) { struct b43_phy_n *nphy = dev->phy.n; u16 *save = nphy->tx_rx_cal_radio_saveregs; u16 tmp; u8 offset, i; if (dev->phy.rev >= 3) { for (i = 0; i < 2; i++) { tmp = (i == 0) ? 0x2000 : 0x3000; offset = i * 11; save[offset + 0] = b43_radio_read16(dev, B2055_CAL_RVARCTL); save[offset + 1] = b43_radio_read16(dev, B2055_CAL_LPOCTL); save[offset + 2] = b43_radio_read16(dev, B2055_CAL_TS); save[offset + 3] = b43_radio_read16(dev, B2055_CAL_RCCALRTS); save[offset + 4] = b43_radio_read16(dev, B2055_CAL_RCALRTS); save[offset + 5] = b43_radio_read16(dev, B2055_PADDRV); save[offset + 6] = b43_radio_read16(dev, B2055_XOCTL1); save[offset + 7] = b43_radio_read16(dev, B2055_XOCTL2); save[offset + 8] = b43_radio_read16(dev, B2055_XOREGUL); save[offset + 9] = b43_radio_read16(dev, B2055_XOMISC); save[offset + 10] = b43_radio_read16(dev, B2055_PLL_LFC1); if (b43_current_band(dev->wl) == IEEE80211_BAND_5GHZ) { b43_radio_write16(dev, tmp | B2055_CAL_RVARCTL, 0x0A); b43_radio_write16(dev, tmp | B2055_CAL_LPOCTL, 0x40); b43_radio_write16(dev, tmp | B2055_CAL_TS, 0x55); b43_radio_write16(dev, tmp | B2055_CAL_RCCALRTS, 0); b43_radio_write16(dev, tmp | B2055_CAL_RCALRTS, 0); if (nphy->ipa5g_on) { b43_radio_write16(dev, tmp | B2055_PADDRV, 4); b43_radio_write16(dev, tmp | B2055_XOCTL1, 1); } else { b43_radio_write16(dev, tmp | B2055_PADDRV, 0); b43_radio_write16(dev, tmp | B2055_XOCTL1, 0x2F); } b43_radio_write16(dev, tmp | B2055_XOCTL2, 0); } else { b43_radio_write16(dev, tmp | B2055_CAL_RVARCTL, 0x06); b43_radio_write16(dev, tmp | B2055_CAL_LPOCTL, 0x40); b43_radio_write16(dev, tmp | B2055_CAL_TS, 0x55); b43_radio_write16(dev, tmp | B2055_CAL_RCCALRTS, 0); b43_radio_write16(dev, tmp | B2055_CAL_RCALRTS, 0); b43_radio_write16(dev, tmp | B2055_XOCTL1, 0); if (nphy->ipa2g_on) { b43_radio_write16(dev, tmp | B2055_PADDRV, 6); b43_radio_write16(dev, tmp | B2055_XOCTL2, (dev->phy.rev < 5) ? 0x11 : 0x01); } else { b43_radio_write16(dev, tmp | B2055_PADDRV, 0); b43_radio_write16(dev, tmp | B2055_XOCTL2, 0); } } b43_radio_write16(dev, tmp | B2055_XOREGUL, 0); b43_radio_write16(dev, tmp | B2055_XOMISC, 0); b43_radio_write16(dev, tmp | B2055_PLL_LFC1, 0); } } else { save[0] = b43_radio_read16(dev, B2055_C1_TX_RF_IQCAL1); b43_radio_write16(dev, B2055_C1_TX_RF_IQCAL1, 0x29); save[1] = b43_radio_read16(dev, B2055_C1_TX_RF_IQCAL2); b43_radio_write16(dev, B2055_C1_TX_RF_IQCAL2, 0x54); save[2] = b43_radio_read16(dev, B2055_C2_TX_RF_IQCAL1); b43_radio_write16(dev, B2055_C2_TX_RF_IQCAL1, 0x29); save[3] = b43_radio_read16(dev, B2055_C2_TX_RF_IQCAL2); b43_radio_write16(dev, B2055_C2_TX_RF_IQCAL2, 0x54); save[3] = b43_radio_read16(dev, B2055_C1_PWRDET_RXTX); save[4] = b43_radio_read16(dev, B2055_C2_PWRDET_RXTX); if (!(b43_phy_read(dev, B43_NPHY_BANDCTL) & B43_NPHY_BANDCTL_5GHZ)) { b43_radio_write16(dev, B2055_C1_PWRDET_RXTX, 0x04); b43_radio_write16(dev, B2055_C2_PWRDET_RXTX, 0x04); } else { b43_radio_write16(dev, B2055_C1_PWRDET_RXTX, 0x20); b43_radio_write16(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); } } } /* http://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) { int i, j, indx; u16 gain; if (dev->phy.rev >= 3) { params->txgm = target.txgm[core]; params->pga = target.pga[core]; params->pad = target.pad[core]; params->ipa = target.ipa[core]; 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) == IEEE80211_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]; } } /* http://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); } } /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/ExtPaSetTxDigiFilts */ static void b43_nphy_ext_pa_set_tx_dig_filters(struct b43_wldev *dev) { int i; for (i = 0; i < 15; i++) b43_phy_write(dev, B43_PHY_N(0x2C5 + i), tbl_tx_filter_coef_rev4[2][i]); } /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/IpaSetTxDigiFilts */ static void b43_nphy_int_pa_set_tx_dig_filters(struct b43_wldev *dev) { int i, j; /* B43_NPHY_TXF_20CO_S0A1, B43_NPHY_TXF_40CO_S0A1, unknown */ u16 offset[] = { 0x186, 0x195, 0x2C5 }; for (i = 0; i < 3; i++) for (j = 0; j < 15; j++) b43_phy_write(dev, B43_PHY_N(offset[i] + j), tbl_tx_filter_coef_rev4[i][j]); if (dev->phy.is_40mhz) { for (j = 0; j < 15; j++) b43_phy_write(dev, B43_PHY_N(offset[0] + j), tbl_tx_filter_coef_rev4[3][j]); } else if (b43_current_band(dev->wl) == IEEE80211_BAND_5GHZ) { for (j = 0; j < 15; j++) b43_phy_write(dev, B43_PHY_N(offset[0] + j), tbl_tx_filter_coef_rev4[5][j]); } if (dev->phy.channel == 14) for (j = 0; j < 15; j++) b43_phy_write(dev, B43_PHY_N(offset[0] + j), tbl_tx_filter_coef_rev4[6][j]); } /* http://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 == 0) { 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 >= 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) { if (dev->phy.rev >= 3) { enum ieee80211_band band = b43_current_band(dev->wl); if ((nphy->ipa2g_on && band == IEEE80211_BAND_2GHZ) || (nphy->ipa5g_on && band == IEEE80211_BAND_5GHZ)) { table = b43_nphy_get_ipa_gain_table(dev); } else { if (band == IEEE80211_BAND_5GHZ) { if (dev->phy.rev == 3) table = b43_ntab_tx_gain_rev3_5ghz; else if (dev->phy.rev == 4) table = b43_ntab_tx_gain_rev4_5ghz; else table = b43_ntab_tx_gain_rev5plus_5ghz; } else { table = b43_ntab_tx_gain_rev3plus_2ghz; } } 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 { table = b43_ntab_tx_gain_rev0_1_2; 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; } /* http://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]); } } /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/TxCalPhySetup */ static void b43_nphy_tx_cal_phy_setup(struct b43_wldev *dev) { 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); b43_nphy_rf_control_intc_override(dev, 2, 1, 3); b43_nphy_rf_control_intc_override(dev, 1, 2, 1); b43_nphy_rf_control_intc_override(dev, 1, 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); } 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) == IEEE80211_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); } } /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/SaveCal */ static void b43_nphy_save_cal(struct b43_wldev *dev) { 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) == IEEE80211_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 (dev->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 = nphy->radio_chanspec; b43_ntab_write_bulk(dev, B43_NTAB16(15, 80), 8, table); if (nphy->hang_avoid) b43_nphy_stay_in_carrier_search(dev, 0); } /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/RestoreCal */ static void b43_nphy_restore_cal(struct b43_wldev *dev) { 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) == IEEE80211_BAND_2GHZ) { if (b43_empty_chanspec(&nphy->iqcal_chanspec_2G)) return; table = nphy->cal_cache.txcal_coeffs_2G; loft = &nphy->cal_cache.txcal_coeffs_2G[5]; } else { if (b43_empty_chanspec(&nphy->iqcal_chanspec_5G)) 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) table[i] = coef[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) == IEEE80211_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 (dev->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); } /* http://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_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, 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 = 0; } 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) == IEEE80211_BAND_2GHZ); if (phy6or5x) { if (dev->phy.is_40mhz) { 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); } } b43_phy_write(dev, B43_NPHY_IQLOCAL_CMDGCTL, 0x8AA9); if (!dev->phy.is_40mhz) freq = 2500; else freq = 5000; if (nphy->mphase_cal_phase_id > 2) b43_nphy_run_samples(dev, (dev->phy.is_40mhz ? 40 : 20) * 8, 0xFFFF, 0, true, false); else error = b43_nphy_tx_tone(dev, freq, 250, true, 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] == 0) { b43_nphy_update_tx_cal_ladder(dev, core); updated[core] = 1; } 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 = nphy->radio_chanspec; } 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; } /* http://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 || b43_eq_chanspecs(&nphy->txiqlocal_chanspec, &nphy->radio_chanspec)) 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]); } } /* http://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 ieee80211_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 == IEEE80211_BAND_5GHZ) b43_phy_write(dev, rfctl[0], 0x140); else b43_phy_write(dev, rfctl[0], 0x110); } else { if (band == IEEE80211_BAND_5GHZ) b43_phy_write(dev, rfctl[0], 0x180); else b43_phy_write(dev, rfctl[0], 0x120); } if (band == IEEE80211_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; i < 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_control_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); playtone = false; } else { b43_nphy_run_samples(dev, 160, 0xFFFF, 0, false, false); } 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_control_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; } /* http://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 >= 3) return b43_nphy_rev3_cal_rx_iq(dev, target, type, debug); else return b43_nphy_rev2_cal_rx_iq(dev, target, type, debug); } /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/MacPhyClkSet */ static void b43_nphy_mac_phy_clock_set(struct b43_wldev *dev, bool on) { u32 tmslow = ssb_read32(dev->dev, SSB_TMSLOW); if (on) tmslow |= SSB_TMSLOW_PHYCLK; else tmslow &= ~SSB_TMSLOW_PHYCLK; ssb_write32(dev->dev, SSB_TMSLOW, tmslow); } /* http://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]; 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); } /* * Init N-PHY * http://bcm-v4.sipsolutions.net/802.11/PHY/Init/N */ int b43_phy_initn(struct b43_wldev *dev) { struct ssb_bus *bus = dev->dev->bus; struct b43_phy *phy = &dev->phy; struct b43_phy_n *nphy = phy->n; u8 tx_pwr_state; struct nphy_txgains target; u16 tmp; enum ieee80211_band tmp2; bool do_rssi_cal; u16 clip[2]; bool do_cal = false; if ((dev->phy.rev >= 3) && (bus->sprom.boardflags_lo & B43_BFL_EXTLNA) && (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ)) { chipco_set32(&dev->dev->bus->chipco, SSB_CHIPCO_CHIPCTL, 0x40); } 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); 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 (bus->sprom.boardflags2_lo & 0x100 || (bus->boardinfo.vendor == PCI_VENDOR_ID_APPLE && bus->boardinfo.type == 0x8B)) 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); 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); } tmp2 = b43_current_band(dev->wl); if ((nphy->ipa2g_on && tmp2 == IEEE80211_BAND_2GHZ) || (nphy->ipa5g_on && tmp2 == IEEE80211_BAND_5GHZ)) { 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_nphy_bmac_clock_fgc(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_nphy_bmac_clock_fgc(dev, 0); b43_nphy_mac_phy_clock_set(dev, true); 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); tx_pwr_state = nphy->txpwrctrl; /* TODO N PHY TX power control with argument 0 (turning off power control) */ /* TODO Fix the TX Power Settings */ /* TODO N PHY TX Power Control Idle TSSI */ /* TODO N PHY TX Power Control Setup */ if (phy->rev >= 3) { /* TODO */ } else { b43_ntab_write_bulk(dev, B43_NTAB32(26, 192), 128, b43_ntab_tx_gain_rev0_1_2); b43_ntab_write_bulk(dev, B43_NTAB32(27, 192), 128, b43_ntab_tx_gain_rev0_1_2); } 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) == IEEE80211_BAND_2GHZ) do_rssi_cal = b43_empty_chanspec(&nphy->rssical_chanspec_2G); else do_rssi_cal = b43_empty_chanspec(&nphy->rssical_chanspec_5G); 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) == IEEE80211_BAND_2GHZ) do_cal = b43_empty_chanspec(&nphy->iqcal_chanspec_2G); else do_cal = b43_empty_chanspec(&nphy->iqcal_chanspec_5G); 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 argument 3 */ } else { b43_nphy_restore_cal(dev); } b43_nphy_tx_pwr_ctrl_coef_setup(dev); /* TODO N PHY TX Power Control Enable with argument 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, 0x0014); b43_nphy_tx_lp_fbw(dev); if (phy->rev >= 3) b43_nphy_spur_workaround(dev); b43err(dev->wl, "IEEE 802.11n devices are not supported, yet.\n"); return 0; } /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/ChanspecSetup */ static void b43_nphy_chanspec_setup(struct b43_wldev *dev, const struct b43_phy_n_sfo_cfg *e, struct b43_chanspec chanspec) { struct b43_phy *phy = &dev->phy; struct b43_phy_n *nphy = dev->phy.n; u16 tmp; u32 tmp32; tmp = b43_phy_read(dev, B43_NPHY_BANDCTL) & B43_NPHY_BANDCTL_5GHZ; if (chanspec.b_freq == 1 && tmp == 0) { tmp32 = b43_read32(dev, B43_MMIO_PSM_PHY_HDR); b43_write32(dev, B43_MMIO_PSM_PHY_HDR, tmp32 | 4); b43_phy_set(dev, B43_PHY_B_BBCFG, 0xC000); b43_write32(dev, B43_MMIO_PSM_PHY_HDR, tmp32); b43_phy_set(dev, B43_NPHY_BANDCTL, B43_NPHY_BANDCTL_5GHZ); } else if (chanspec.b_freq == 1) { b43_phy_mask(dev, B43_NPHY_BANDCTL, ~B43_NPHY_BANDCTL_5GHZ); tmp32 = b43_read32(dev, B43_MMIO_PSM_PHY_HDR); b43_write32(dev, B43_MMIO_PSM_PHY_HDR, tmp32 | 4); b43_phy_mask(dev, B43_PHY_B_BBCFG, 0x3FFF); b43_write32(dev, B43_MMIO_PSM_PHY_HDR, tmp32); } b43_chantab_phy_upload(dev, e); tmp = chanspec.channel; if (chanspec.b_freq == 1) tmp |= 0x0100; if (chanspec.b_width == 3) tmp |= 0x0200; b43_shm_write16(dev, B43_SHM_SHARED, 0xA0, tmp); if (nphy->radio_chanspec.channel == 14) { b43_nphy_classifier(dev, 2, 0); b43_phy_set(dev, B43_PHY_B_TEST, 0x0800); } else { b43_nphy_classifier(dev, 2, 2); if (chanspec.b_freq == 2) 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_lp_fbw(dev); if (dev->phy.rev >= 3 && 0) { /* TODO */ } b43_phy_write(dev, B43_NPHY_NDATAT_DUP40, 0x3830); if (phy->rev >= 3) b43_nphy_spur_workaround(dev); } /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/SetChanspec */ static int b43_nphy_set_chanspec(struct b43_wldev *dev, struct b43_chanspec chanspec) { struct b43_phy_n *nphy = dev->phy.n; const struct b43_nphy_channeltab_entry_rev2 *tabent_r2; const struct b43_nphy_channeltab_entry_rev3 *tabent_r3; u8 tmp; u8 channel = chanspec.channel; if (dev->phy.rev >= 3) { /* TODO */ tabent_r3 = NULL; if (!tabent_r3) return -ESRCH; } else { tabent_r2 = b43_nphy_get_chantabent_rev2(dev, channel); if (!tabent_r2) return -ESRCH; } nphy->radio_chanspec = chanspec; if (chanspec.b_width != nphy->b_width) ; /* TODO: BMAC BW Set (chanspec.b_width) */ /* TODO: use defines */ if (chanspec.b_width == 3) { if (chanspec.sideband == 2) b43_phy_set(dev, B43_NPHY_RXCTL, B43_NPHY_RXCTL_BSELU20); else b43_phy_mask(dev, B43_NPHY_RXCTL, ~B43_NPHY_RXCTL_BSELU20); } if (dev->phy.rev >= 3) { tmp = (chanspec.b_freq == 1) ? 4 : 0; b43_radio_maskset(dev, 0x08, 0xFFFB, tmp); /* TODO: PHY Radio2056 Setup (dev, tabent_r3); */ b43_nphy_chanspec_setup(dev, &(tabent_r3->phy_regs), chanspec); } else { tmp = (chanspec.b_freq == 1) ? 0x0020 : 0x0050; b43_radio_maskset(dev, B2055_MASTER1, 0xFF8F, tmp); b43_radio_2055_setup(dev, tabent_r2); b43_nphy_chanspec_setup(dev, &(tabent_r2->phy_regs), chanspec); } return 0; } /* Tune the hardware to a new channel */ static int nphy_channel_switch(struct b43_wldev *dev, unsigned int channel) { struct b43_phy_n *nphy = dev->phy.n; struct b43_chanspec chanspec; chanspec = nphy->radio_chanspec; chanspec.channel = channel; return b43_nphy_set_chanspec(dev, chanspec); } 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; memset(nphy, 0, sizeof(*nphy)); //TODO init struct b43_phy_n } 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 u16 b43_nphy_op_read(struct b43_wldev *dev, u16 reg) { check_phyreg(dev, reg); b43_write16(dev, B43_MMIO_PHY_CONTROL, reg); return b43_read16(dev, B43_MMIO_PHY_DATA); } static void b43_nphy_op_write(struct b43_wldev *dev, u16 reg, u16 value) { check_phyreg(dev, reg); b43_write16(dev, B43_MMIO_PHY_CONTROL, reg); b43_write16(dev, B43_MMIO_PHY_DATA, value); } static u16 b43_nphy_op_radio_read(struct b43_wldev *dev, u16 reg) { /* Register 1 is a 32-bit register. */ B43_WARN_ON(reg == 1); /* N-PHY needs 0x100 for read access */ reg |= 0x100; b43_write16(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(reg == 1); b43_write16(dev, B43_MMIO_RADIO_CONTROL, reg); b43_write16(dev, B43_MMIO_RADIO_DATA_LOW, value); } /* http://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_n *nphy = dev->phy.n; if (b43_read32(dev, B43_MMIO_MACCTL) & B43_MACCTL_ENABLED) b43err(dev->wl, "MAC not suspended\n"); if (blocked) { b43_phy_mask(dev, B43_NPHY_RFCTL_CMD, ~B43_NPHY_RFCTL_CMD_CHIP0PU); if (dev->phy.rev >= 3) { 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 (dev->phy.rev >= 3) { b43_radio_init2056(dev); b43_nphy_set_chanspec(dev, nphy->radio_chanspec); } else { b43_radio_init2055(dev); } } } static void b43_nphy_op_switch_analog(struct b43_wldev *dev, bool on) { b43_phy_write(dev, B43_NPHY_AFECTL_OVER, on ? 0 : 0x7FFF); } static int b43_nphy_op_switch_channel(struct b43_wldev *dev, unsigned int new_channel) { if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ) { if ((new_channel < 1) || (new_channel > 14)) return -EINVAL; } else { if (new_channel > 200) return -EINVAL; } return nphy_channel_switch(dev, new_channel); } static unsigned int b43_nphy_op_get_default_chan(struct b43_wldev *dev) { if (b43_current_band(dev->wl) == IEEE80211_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_read = b43_nphy_op_read, .phy_write = b43_nphy_op_write, .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, .adjust_txpower = b43_nphy_op_adjust_txpower, };