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ef5127a4d2
Signed-off-by: Rafał Miłecki <zajec5@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2844 lines
80 KiB
C
2844 lines
80 KiB
C
/*
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Broadcom B43 wireless driver
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IEEE 802.11n PHY support
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Copyright (c) 2008 Michael Buesch <mb@bu3sch.de>
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; see the file COPYING. If not, write to
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the Free Software Foundation, Inc., 51 Franklin Steet, Fifth Floor,
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Boston, MA 02110-1301, USA.
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*/
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#include <linux/delay.h>
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#include <linux/types.h>
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#include "b43.h"
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#include "phy_n.h"
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#include "tables_nphy.h"
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#include "main.h"
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struct nphy_txgains {
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u16 txgm[2];
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u16 pga[2];
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u16 pad[2];
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u16 ipa[2];
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};
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struct nphy_iqcal_params {
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u16 txgm;
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u16 pga;
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u16 pad;
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u16 ipa;
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u16 cal_gain;
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u16 ncorr[5];
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};
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struct nphy_iq_est {
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s32 iq0_prod;
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u32 i0_pwr;
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u32 q0_pwr;
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s32 iq1_prod;
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u32 i1_pwr;
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u32 q1_pwr;
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};
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enum b43_nphy_rf_sequence {
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B43_RFSEQ_RX2TX,
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B43_RFSEQ_TX2RX,
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B43_RFSEQ_RESET2RX,
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B43_RFSEQ_UPDATE_GAINH,
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B43_RFSEQ_UPDATE_GAINL,
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B43_RFSEQ_UPDATE_GAINU,
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};
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static void b43_nphy_force_rf_sequence(struct b43_wldev *dev,
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enum b43_nphy_rf_sequence seq);
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void b43_nphy_set_rxantenna(struct b43_wldev *dev, int antenna)
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{//TODO
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}
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static void b43_nphy_op_adjust_txpower(struct b43_wldev *dev)
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{//TODO
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}
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static enum b43_txpwr_result b43_nphy_op_recalc_txpower(struct b43_wldev *dev,
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bool ignore_tssi)
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{//TODO
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return B43_TXPWR_RES_DONE;
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}
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static void b43_chantab_radio_upload(struct b43_wldev *dev,
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const struct b43_nphy_channeltab_entry *e)
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{
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b43_radio_write16(dev, B2055_PLL_REF, e->radio_pll_ref);
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b43_radio_write16(dev, B2055_RF_PLLMOD0, e->radio_rf_pllmod0);
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b43_radio_write16(dev, B2055_RF_PLLMOD1, e->radio_rf_pllmod1);
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b43_radio_write16(dev, B2055_VCO_CAPTAIL, e->radio_vco_captail);
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b43_radio_write16(dev, B2055_VCO_CAL1, e->radio_vco_cal1);
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b43_radio_write16(dev, B2055_VCO_CAL2, e->radio_vco_cal2);
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b43_radio_write16(dev, B2055_PLL_LFC1, e->radio_pll_lfc1);
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b43_radio_write16(dev, B2055_PLL_LFR1, e->radio_pll_lfr1);
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b43_radio_write16(dev, B2055_PLL_LFC2, e->radio_pll_lfc2);
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b43_radio_write16(dev, B2055_LGBUF_CENBUF, e->radio_lgbuf_cenbuf);
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b43_radio_write16(dev, B2055_LGEN_TUNE1, e->radio_lgen_tune1);
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b43_radio_write16(dev, B2055_LGEN_TUNE2, e->radio_lgen_tune2);
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b43_radio_write16(dev, B2055_C1_LGBUF_ATUNE, e->radio_c1_lgbuf_atune);
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b43_radio_write16(dev, B2055_C1_LGBUF_GTUNE, e->radio_c1_lgbuf_gtune);
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b43_radio_write16(dev, B2055_C1_RX_RFR1, e->radio_c1_rx_rfr1);
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b43_radio_write16(dev, B2055_C1_TX_PGAPADTN, e->radio_c1_tx_pgapadtn);
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b43_radio_write16(dev, B2055_C1_TX_MXBGTRIM, e->radio_c1_tx_mxbgtrim);
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b43_radio_write16(dev, B2055_C2_LGBUF_ATUNE, e->radio_c2_lgbuf_atune);
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b43_radio_write16(dev, B2055_C2_LGBUF_GTUNE, e->radio_c2_lgbuf_gtune);
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b43_radio_write16(dev, B2055_C2_RX_RFR1, e->radio_c2_rx_rfr1);
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b43_radio_write16(dev, B2055_C2_TX_PGAPADTN, e->radio_c2_tx_pgapadtn);
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b43_radio_write16(dev, B2055_C2_TX_MXBGTRIM, e->radio_c2_tx_mxbgtrim);
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}
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static void b43_chantab_phy_upload(struct b43_wldev *dev,
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const struct b43_nphy_channeltab_entry *e)
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{
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b43_phy_write(dev, B43_NPHY_BW1A, e->phy_bw1a);
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b43_phy_write(dev, B43_NPHY_BW2, e->phy_bw2);
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b43_phy_write(dev, B43_NPHY_BW3, e->phy_bw3);
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b43_phy_write(dev, B43_NPHY_BW4, e->phy_bw4);
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b43_phy_write(dev, B43_NPHY_BW5, e->phy_bw5);
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b43_phy_write(dev, B43_NPHY_BW6, e->phy_bw6);
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}
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static void b43_nphy_tx_power_fix(struct b43_wldev *dev)
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{
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//TODO
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}
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/* Tune the hardware to a new channel. */
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static int nphy_channel_switch(struct b43_wldev *dev, unsigned int channel)
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{
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const struct b43_nphy_channeltab_entry *tabent;
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tabent = b43_nphy_get_chantabent(dev, channel);
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if (!tabent)
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return -ESRCH;
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//FIXME enable/disable band select upper20 in RXCTL
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if (0 /*FIXME 5Ghz*/)
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b43_radio_maskset(dev, B2055_MASTER1, 0xFF8F, 0x20);
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else
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b43_radio_maskset(dev, B2055_MASTER1, 0xFF8F, 0x50);
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b43_chantab_radio_upload(dev, tabent);
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udelay(50);
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b43_radio_write16(dev, B2055_VCO_CAL10, 5);
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b43_radio_write16(dev, B2055_VCO_CAL10, 45);
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b43_radio_write16(dev, B2055_VCO_CAL10, 65);
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udelay(300);
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if (0 /*FIXME 5Ghz*/)
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b43_phy_set(dev, B43_NPHY_BANDCTL, B43_NPHY_BANDCTL_5GHZ);
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else
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b43_phy_mask(dev, B43_NPHY_BANDCTL, ~B43_NPHY_BANDCTL_5GHZ);
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b43_chantab_phy_upload(dev, tabent);
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b43_nphy_tx_power_fix(dev);
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return 0;
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}
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static void b43_radio_init2055_pre(struct b43_wldev *dev)
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{
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b43_phy_mask(dev, B43_NPHY_RFCTL_CMD,
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~B43_NPHY_RFCTL_CMD_PORFORCE);
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b43_phy_set(dev, B43_NPHY_RFCTL_CMD,
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B43_NPHY_RFCTL_CMD_CHIP0PU |
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B43_NPHY_RFCTL_CMD_OEPORFORCE);
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b43_phy_set(dev, B43_NPHY_RFCTL_CMD,
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B43_NPHY_RFCTL_CMD_PORFORCE);
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}
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static void b43_radio_init2055_post(struct b43_wldev *dev)
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{
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struct ssb_sprom *sprom = &(dev->dev->bus->sprom);
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struct ssb_boardinfo *binfo = &(dev->dev->bus->boardinfo);
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int i;
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u16 val;
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b43_radio_mask(dev, B2055_MASTER1, 0xFFF3);
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msleep(1);
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if ((sprom->revision != 4) ||
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!(sprom->boardflags_hi & B43_BFH_RSSIINV)) {
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if ((binfo->vendor != PCI_VENDOR_ID_BROADCOM) ||
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(binfo->type != 0x46D) ||
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(binfo->rev < 0x41)) {
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b43_radio_mask(dev, B2055_C1_RX_BB_REG, 0x7F);
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b43_radio_mask(dev, B2055_C1_RX_BB_REG, 0x7F);
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msleep(1);
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}
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}
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b43_radio_maskset(dev, B2055_RRCCAL_NOPTSEL, 0x3F, 0x2C);
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msleep(1);
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b43_radio_write16(dev, B2055_CAL_MISC, 0x3C);
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msleep(1);
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b43_radio_mask(dev, B2055_CAL_MISC, 0xFFBE);
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msleep(1);
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b43_radio_set(dev, B2055_CAL_LPOCTL, 0x80);
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msleep(1);
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b43_radio_set(dev, B2055_CAL_MISC, 0x1);
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msleep(1);
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b43_radio_set(dev, B2055_CAL_MISC, 0x40);
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msleep(1);
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for (i = 0; i < 100; i++) {
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val = b43_radio_read16(dev, B2055_CAL_COUT2);
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if (val & 0x80)
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break;
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udelay(10);
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}
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msleep(1);
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b43_radio_mask(dev, B2055_CAL_LPOCTL, 0xFF7F);
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msleep(1);
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nphy_channel_switch(dev, dev->phy.channel);
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b43_radio_write16(dev, B2055_C1_RX_BB_LPF, 0x9);
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b43_radio_write16(dev, B2055_C2_RX_BB_LPF, 0x9);
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b43_radio_write16(dev, B2055_C1_RX_BB_MIDACHP, 0x83);
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b43_radio_write16(dev, B2055_C2_RX_BB_MIDACHP, 0x83);
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}
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/* Initialize a Broadcom 2055 N-radio */
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static void b43_radio_init2055(struct b43_wldev *dev)
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{
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b43_radio_init2055_pre(dev);
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if (b43_status(dev) < B43_STAT_INITIALIZED)
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b2055_upload_inittab(dev, 0, 1);
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else
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b2055_upload_inittab(dev, 0/*FIXME on 5ghz band*/, 0);
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b43_radio_init2055_post(dev);
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}
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void b43_nphy_radio_turn_on(struct b43_wldev *dev)
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{
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b43_radio_init2055(dev);
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}
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void b43_nphy_radio_turn_off(struct b43_wldev *dev)
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{
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b43_phy_mask(dev, B43_NPHY_RFCTL_CMD,
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~B43_NPHY_RFCTL_CMD_EN);
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}
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/*
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* Upload the N-PHY tables.
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* http://bcm-v4.sipsolutions.net/802.11/PHY/N/InitTables
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*/
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static void b43_nphy_tables_init(struct b43_wldev *dev)
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{
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if (dev->phy.rev < 3)
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b43_nphy_rev0_1_2_tables_init(dev);
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else
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b43_nphy_rev3plus_tables_init(dev);
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}
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/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/PA%20override */
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static void b43_nphy_pa_override(struct b43_wldev *dev, bool enable)
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{
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struct b43_phy_n *nphy = dev->phy.n;
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enum ieee80211_band band;
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u16 tmp;
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if (!enable) {
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nphy->rfctrl_intc1_save = b43_phy_read(dev,
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B43_NPHY_RFCTL_INTC1);
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nphy->rfctrl_intc2_save = b43_phy_read(dev,
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B43_NPHY_RFCTL_INTC2);
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band = b43_current_band(dev->wl);
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if (dev->phy.rev >= 3) {
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if (band == IEEE80211_BAND_5GHZ)
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tmp = 0x600;
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else
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tmp = 0x480;
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} else {
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if (band == IEEE80211_BAND_5GHZ)
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tmp = 0x180;
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else
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tmp = 0x120;
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}
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b43_phy_write(dev, B43_NPHY_RFCTL_INTC1, tmp);
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b43_phy_write(dev, B43_NPHY_RFCTL_INTC2, tmp);
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} else {
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b43_phy_write(dev, B43_NPHY_RFCTL_INTC1,
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nphy->rfctrl_intc1_save);
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b43_phy_write(dev, B43_NPHY_RFCTL_INTC2,
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nphy->rfctrl_intc2_save);
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}
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}
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/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/TxLpFbw */
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static void b43_nphy_tx_lp_fbw(struct b43_wldev *dev)
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{
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struct b43_phy_n *nphy = dev->phy.n;
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u16 tmp;
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enum ieee80211_band band = b43_current_band(dev->wl);
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bool ipa = (nphy->ipa2g_on && band == IEEE80211_BAND_2GHZ) ||
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(nphy->ipa5g_on && band == IEEE80211_BAND_5GHZ);
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if (dev->phy.rev >= 3) {
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if (ipa) {
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tmp = 4;
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b43_phy_write(dev, B43_NPHY_TXF_40CO_B32S2,
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(((((tmp << 3) | tmp) << 3) | tmp) << 3) | tmp);
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}
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tmp = 1;
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b43_phy_write(dev, B43_NPHY_TXF_40CO_B1S2,
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(((((tmp << 3) | tmp) << 3) | tmp) << 3) | tmp);
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}
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}
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/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/BmacPhyClkFgc */
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static void b43_nphy_bmac_clock_fgc(struct b43_wldev *dev, bool force)
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{
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u32 tmslow;
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if (dev->phy.type != B43_PHYTYPE_N)
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return;
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tmslow = ssb_read32(dev->dev, SSB_TMSLOW);
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if (force)
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tmslow |= SSB_TMSLOW_FGC;
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else
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tmslow &= ~SSB_TMSLOW_FGC;
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ssb_write32(dev->dev, SSB_TMSLOW, tmslow);
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}
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/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/CCA */
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static void b43_nphy_reset_cca(struct b43_wldev *dev)
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{
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u16 bbcfg;
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b43_nphy_bmac_clock_fgc(dev, 1);
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bbcfg = b43_phy_read(dev, B43_NPHY_BBCFG);
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b43_phy_write(dev, B43_NPHY_BBCFG, bbcfg | B43_NPHY_BBCFG_RSTCCA);
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udelay(1);
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b43_phy_write(dev, B43_NPHY_BBCFG, bbcfg & ~B43_NPHY_BBCFG_RSTCCA);
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b43_nphy_bmac_clock_fgc(dev, 0);
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b43_nphy_force_rf_sequence(dev, B43_RFSEQ_RESET2RX);
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}
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/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/MIMOConfig */
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static void b43_nphy_update_mimo_config(struct b43_wldev *dev, s32 preamble)
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{
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u16 mimocfg = b43_phy_read(dev, B43_NPHY_MIMOCFG);
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mimocfg |= B43_NPHY_MIMOCFG_AUTO;
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if (preamble == 1)
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mimocfg |= B43_NPHY_MIMOCFG_GFMIX;
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else
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mimocfg &= ~B43_NPHY_MIMOCFG_GFMIX;
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b43_phy_write(dev, B43_NPHY_MIMOCFG, mimocfg);
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}
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/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/Chains */
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static void b43_nphy_update_txrx_chain(struct b43_wldev *dev)
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{
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struct b43_phy_n *nphy = dev->phy.n;
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bool override = false;
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u16 chain = 0x33;
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if (nphy->txrx_chain == 0) {
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chain = 0x11;
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override = true;
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} else if (nphy->txrx_chain == 1) {
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chain = 0x22;
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override = true;
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}
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b43_phy_maskset(dev, B43_NPHY_RFSEQCA,
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~(B43_NPHY_RFSEQCA_TXEN | B43_NPHY_RFSEQCA_RXEN),
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chain);
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if (override)
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b43_phy_set(dev, B43_NPHY_RFSEQMODE,
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B43_NPHY_RFSEQMODE_CAOVER);
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else
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b43_phy_mask(dev, B43_NPHY_RFSEQMODE,
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~B43_NPHY_RFSEQMODE_CAOVER);
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}
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/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/RxIqEst */
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static void b43_nphy_rx_iq_est(struct b43_wldev *dev, struct nphy_iq_est *est,
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u16 samps, u8 time, bool wait)
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{
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int i;
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u16 tmp;
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b43_phy_write(dev, B43_NPHY_IQEST_SAMCNT, samps);
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b43_phy_maskset(dev, B43_NPHY_IQEST_WT, ~B43_NPHY_IQEST_WT_VAL, time);
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if (wait)
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b43_phy_set(dev, B43_NPHY_IQEST_CMD, B43_NPHY_IQEST_CMD_MODE);
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else
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b43_phy_mask(dev, B43_NPHY_IQEST_CMD, ~B43_NPHY_IQEST_CMD_MODE);
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b43_phy_set(dev, B43_NPHY_IQEST_CMD, B43_NPHY_IQEST_CMD_START);
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for (i = 1000; i; i--) {
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tmp = b43_phy_read(dev, B43_NPHY_IQEST_CMD);
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if (!(tmp & B43_NPHY_IQEST_CMD_START)) {
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est->i0_pwr = (b43_phy_read(dev, B43_NPHY_IQEST_IPACC_HI0) << 16) |
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b43_phy_read(dev, B43_NPHY_IQEST_IPACC_LO0);
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est->q0_pwr = (b43_phy_read(dev, B43_NPHY_IQEST_QPACC_HI0) << 16) |
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b43_phy_read(dev, B43_NPHY_IQEST_QPACC_LO0);
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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, (u16)~B43_NPHY_RFSEQCA_RXDIS,
|
|
((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);
|
|
}
|
|
|
|
/* TODO: Call N PHY RF Ctrl Intc Override with 2, 0, 3 as arguments */
|
|
/* TODO: Call N PHY RF Intc Override with 8, 0, 3, 0 as arguments */
|
|
b43_nphy_force_rf_sequence(dev, B43_RFSEQ_RX2TX);
|
|
|
|
if (core == 0) {
|
|
rxval = 1;
|
|
txval = 8;
|
|
} else {
|
|
rxval = 4;
|
|
txval = 2;
|
|
}
|
|
|
|
/* TODO: Call N PHY RF Ctrl Intc Override with 1, rxval, (core + 1) */
|
|
/* TODO: Call N PHY RF Ctrl Intc Override with 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/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, (u16)~0x8000);
|
|
|
|
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/WorkaroundsGainCtrl */
|
|
static void b43_nphy_gain_crtl_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));
|
|
|
|
/* TODO: 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);
|
|
}
|
|
|
|
/* TODO: b43_nphy_set_rf_sequence(dev, 5,
|
|
rfseq_events, rfseq_delays, 3);*/
|
|
b43_phy_maskset(dev, B43_NPHY_OVER_DGAIN1,
|
|
(u16)~B43_NPHY_OVER_DGAIN_CCKDGECV,
|
|
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;
|
|
}
|
|
/*TODO:b43_nphy_set_rf_sequence(dev, 0, events1, delays1, 7);*/
|
|
/*TODO:b43_nphy_set_rf_sequence(dev, 1, events2, delays2, 7);*/
|
|
|
|
b43_nphy_gain_crtl_workarounds(dev);
|
|
|
|
if (dev->phy.rev < 2) {
|
|
if (b43_phy_read(dev, B43_NPHY_RXCTL) & 0x2)
|
|
; /*TODO: b43_mhf(dev, 2, 0x0010, 0x0010, 3);*/
|
|
} 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,
|
|
(u16)~B43_NPHY_PIL_DW_64QAM);
|
|
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/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);
|
|
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);
|
|
}
|
|
|
|
/* TODO: Call N PHY Load Sample Table with buffer, len as arguments */
|
|
kfree(samples);
|
|
return 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/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);
|
|
}
|
|
}
|
|
}
|
|
|
|
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);
|
|
}
|
|
|
|
/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/RSSISel */
|
|
static void b43_nphy_rssi_select(struct b43_wldev *dev, u8 code, u8 type)
|
|
{
|
|
u16 val;
|
|
|
|
if (dev->phy.rev >= 3) {
|
|
/* TODO */
|
|
} else {
|
|
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, 0x0001);
|
|
udelay(20);
|
|
b43_phy_maskset(dev, B43_NPHY_RFCTL_OVER,
|
|
0xFFFE, 0);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
/* 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 (!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 (!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;
|
|
|
|
if (dev->phy.rev >= 3) {
|
|
/* TODO */
|
|
} 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, (u16)~B43_NPHY_BBCFG_RSTRX);
|
|
|
|
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);
|
|
|
|
/* TODO: Call N PHY RF Ctrl Intc Override with 2, 1, 3 */
|
|
/* TODO: Call N PHY RF Ctrl Intc Override with 1, 2, 1 */
|
|
/* TODO: Call N PHY RF Ctrl Intc Override with 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/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 (nphy->iqcal_chanspec_2G == 0)
|
|
return;
|
|
table = nphy->cal_cache.txcal_coeffs_2G;
|
|
loft = &nphy->cal_cache.txcal_coeffs_2G[5];
|
|
} else {
|
|
if (nphy->iqcal_chanspec_5G == 0)
|
|
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) {
|
|
/* TODO */
|
|
}
|
|
|
|
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_write_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;
|
|
/* TODO: Set nphy->txiqlocal_chanspec to
|
|
the current channel */
|
|
} 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/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)
|
|
;/* TODO: Call N PHY Reapply TX Cal Coeffs */
|
|
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,
|
|
(u16)~B43_NPHY_RFSEQCA_RXDIS,
|
|
((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);
|
|
}
|
|
|
|
/*
|
|
* 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);
|
|
|
|
/* TODO N PHY MAC PHY Clock Set with argument 1 */
|
|
|
|
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)
|
|
;/* TODO N PHY RX Core Set State with phyrxchain as argument */
|
|
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 = (nphy->rssical_chanspec_2G == 0);
|
|
else
|
|
do_rssi_cal = (nphy->rssical_chanspec_5G == 0);
|
|
|
|
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 = (nphy->iqcal_chanspec_2G == 0);
|
|
else
|
|
do_cal = (nphy->iqcal_chanspec_5G == 0);
|
|
|
|
if (nphy->mute)
|
|
do_cal = false;
|
|
|
|
if (do_cal) {
|
|
target = b43_nphy_get_tx_gains(dev);
|
|
|
|
if (nphy->antsel_type == 2)
|
|
;/*TODO NPHY Superswitch Init with argument 1*/
|
|
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)
|
|
;/* Call N PHY Save Cal */
|
|
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);
|
|
/* TODO N PHY Spur Workaround */
|
|
|
|
b43err(dev->wl, "IEEE 802.11n devices are not supported, yet.\n");
|
|
return 0;
|
|
}
|
|
|
|
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);
|
|
}
|
|
|
|
static void b43_nphy_op_software_rfkill(struct b43_wldev *dev,
|
|
bool blocked)
|
|
{//TODO
|
|
}
|
|
|
|
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,
|
|
};
|