diff options
Diffstat (limited to 'drivers/net/wireless/broadcom/b43/wa.c')
| -rw-r--r-- | drivers/net/wireless/broadcom/b43/wa.c | 389 |
1 files changed, 389 insertions, 0 deletions
diff --git a/drivers/net/wireless/broadcom/b43/wa.c b/drivers/net/wireless/broadcom/b43/wa.c new file mode 100644 index 0000000..0e96c08 --- /dev/null +++ b/drivers/net/wireless/broadcom/b43/wa.c @@ -0,0 +1,389 @@ +/* + + Broadcom B43 wireless driver + + PHY workarounds. + + Copyright (c) 2005-2007 Stefano Brivio <stefano.brivio@polimi.it> + Copyright (c) 2005-2007 Michael Buesch <m@bues.ch> + + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 2 of the License, or + (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program; see the file COPYING. If not, write to + the Free Software Foundation, Inc., 51 Franklin Steet, Fifth Floor, + Boston, MA 02110-1301, USA. + +*/ + +#include "b43.h" +#include "main.h" +#include "tables.h" +#include "phy_common.h" +#include "wa.h" + +void b43_wa_initgains(struct b43_wldev *dev) +{ + struct b43_phy *phy = &dev->phy; + + b43_phy_write(dev, B43_PHY_LNAHPFCTL, 0x1FF9); + b43_phy_mask(dev, B43_PHY_LPFGAINCTL, 0xFF0F); + if (phy->rev <= 2) + b43_ofdmtab_write16(dev, B43_OFDMTAB_LPFGAIN, 0, 0x1FBF); + b43_radio_write16(dev, 0x0002, 0x1FBF); + + b43_phy_write(dev, 0x0024, 0x4680); + b43_phy_write(dev, 0x0020, 0x0003); + b43_phy_write(dev, 0x001D, 0x0F40); + b43_phy_write(dev, 0x001F, 0x1C00); + if (phy->rev <= 3) + b43_phy_maskset(dev, 0x002A, 0x00FF, 0x0400); + else if (phy->rev == 5) { + b43_phy_maskset(dev, 0x002A, 0x00FF, 0x1A00); + b43_phy_write(dev, 0x00CC, 0x2121); + } + if (phy->rev >= 3) + b43_phy_write(dev, 0x00BA, 0x3ED5); +} + +static void b43_wa_rssi_lt(struct b43_wldev *dev) /* RSSI lookup table */ +{ + int i; + + if (0 /* FIXME: For APHY.rev=2 this might be needed */) { + for (i = 0; i < 8; i++) + b43_ofdmtab_write16(dev, B43_OFDMTAB_RSSI, i, i + 8); + for (i = 8; i < 16; i++) + b43_ofdmtab_write16(dev, B43_OFDMTAB_RSSI, i, i - 8); + } else { + for (i = 0; i < 64; i++) + b43_ofdmtab_write16(dev, B43_OFDMTAB_RSSI, i, i); + } +} + +static void b43_wa_analog(struct b43_wldev *dev) +{ + u16 ofdmrev; + + ofdmrev = b43_phy_read(dev, B43_PHY_VERSION_OFDM) & B43_PHYVER_VERSION; + if (ofdmrev > 2) { + b43_phy_write(dev, B43_PHY_PWRDOWN, 0x1000); + } else { + b43_ofdmtab_write16(dev, B43_OFDMTAB_DAC, 3, 0x1044); + b43_ofdmtab_write16(dev, B43_OFDMTAB_DAC, 4, 0x7201); + b43_ofdmtab_write16(dev, B43_OFDMTAB_DAC, 6, 0x0040); + } +} + +static void b43_wa_fft(struct b43_wldev *dev) /* Fine frequency table */ +{ + int i; + + for (i = 0; i < B43_TAB_FINEFREQG_SIZE; i++) + b43_ofdmtab_write16(dev, B43_OFDMTAB_DACRFPABB, i, + b43_tab_finefreqg[i]); +} + +static void b43_wa_nft(struct b43_wldev *dev) /* Noise figure table */ +{ + struct b43_phy *phy = &dev->phy; + int i; + + if (phy->rev == 1) + for (i = 0; i < B43_TAB_NOISEG1_SIZE; i++) + b43_ofdmtab_write16(dev, B43_OFDMTAB_AGC2, i, + b43_tab_noiseg1[i]); + else + for (i = 0; i < B43_TAB_NOISEG2_SIZE; i++) + b43_ofdmtab_write16(dev, B43_OFDMTAB_AGC2, i, + b43_tab_noiseg2[i]); +} + +static void b43_wa_rt(struct b43_wldev *dev) /* Rotor table */ +{ + int i; + + for (i = 0; i < B43_TAB_ROTOR_SIZE; i++) + b43_ofdmtab_write32(dev, B43_OFDMTAB_ROTOR, i, b43_tab_rotor[i]); +} + +static void b43_write_nst(struct b43_wldev *dev, const u16 *nst) +{ + int i; + + for (i = 0; i < B43_TAB_NOISESCALE_SIZE; i++) + b43_ofdmtab_write16(dev, B43_OFDMTAB_NOISESCALE, i, nst[i]); +} + +static void b43_wa_nst(struct b43_wldev *dev) /* Noise scale table */ +{ + struct b43_phy *phy = &dev->phy; + + if (phy->rev >= 6) { + if (b43_phy_read(dev, B43_PHY_ENCORE) & B43_PHY_ENCORE_EN) + b43_write_nst(dev, b43_tab_noisescaleg3); + else + b43_write_nst(dev, b43_tab_noisescaleg2); + } else { + b43_write_nst(dev, b43_tab_noisescaleg1); + } +} + +static void b43_wa_art(struct b43_wldev *dev) /* ADV retard table */ +{ + int i; + + for (i = 0; i < B43_TAB_RETARD_SIZE; i++) + b43_ofdmtab_write32(dev, B43_OFDMTAB_ADVRETARD, + i, b43_tab_retard[i]); +} + +static void b43_wa_msst(struct b43_wldev *dev) /* Min sigma square table */ +{ + struct b43_phy *phy = &dev->phy; + int i; + const u16 *tab; + + if (phy->type == B43_PHYTYPE_G) { + tab = b43_tab_sigmasqr2; + } else { + B43_WARN_ON(1); + return; + } + + for (i = 0; i < B43_TAB_SIGMASQR_SIZE; i++) { + b43_ofdmtab_write16(dev, B43_OFDMTAB_MINSIGSQ, + i, tab[i]); + } +} + +static void b43_wa_crs_ed(struct b43_wldev *dev) +{ + struct b43_phy *phy = &dev->phy; + + if (phy->rev == 1) { + b43_phy_write(dev, B43_PHY_CRSTHRES1_R1, 0x4F19); + } else if (phy->rev == 2) { + b43_phy_write(dev, B43_PHY_CRSTHRES1, 0x1861); + b43_phy_write(dev, B43_PHY_CRSTHRES2, 0x0271); + b43_phy_set(dev, B43_PHY_ANTDWELL, 0x0800); + } else { + b43_phy_write(dev, B43_PHY_CRSTHRES1, 0x0098); + b43_phy_write(dev, B43_PHY_CRSTHRES2, 0x0070); + b43_phy_write(dev, B43_PHY_OFDM(0xC9), 0x0080); + b43_phy_set(dev, B43_PHY_ANTDWELL, 0x0800); + } +} + +static void b43_wa_crs_thr(struct b43_wldev *dev) +{ + b43_phy_maskset(dev, B43_PHY_CRS0, ~0x03C0, 0xD000); +} + +static void b43_wa_crs_blank(struct b43_wldev *dev) +{ + b43_phy_write(dev, B43_PHY_OFDM(0x2C), 0x005A); +} + +static void b43_wa_cck_shiftbits(struct b43_wldev *dev) +{ + b43_phy_write(dev, B43_PHY_CCKSHIFTBITS, 0x0026); +} + +static void b43_wa_wrssi_offset(struct b43_wldev *dev) +{ + int i; + + if (dev->phy.rev == 1) { + for (i = 0; i < 16; i++) { + b43_ofdmtab_write16(dev, B43_OFDMTAB_WRSSI_R1, + i, 0x0020); + } + } else { + for (i = 0; i < 32; i++) { + b43_ofdmtab_write16(dev, B43_OFDMTAB_WRSSI, + i, 0x0820); + } + } +} + +static void b43_wa_txpuoff_rxpuon(struct b43_wldev *dev) +{ + b43_ofdmtab_write16(dev, B43_OFDMTAB_UNKNOWN_0F, 2, 15); + b43_ofdmtab_write16(dev, B43_OFDMTAB_UNKNOWN_0F, 3, 20); +} + +static void b43_wa_altagc(struct b43_wldev *dev) +{ + struct b43_phy *phy = &dev->phy; + + if (phy->rev == 1) { + b43_ofdmtab_write16(dev, B43_OFDMTAB_AGC1_R1, 0, 254); + b43_ofdmtab_write16(dev, B43_OFDMTAB_AGC1_R1, 1, 13); + b43_ofdmtab_write16(dev, B43_OFDMTAB_AGC1_R1, 2, 19); + b43_ofdmtab_write16(dev, B43_OFDMTAB_AGC1_R1, 3, 25); + b43_ofdmtab_write16(dev, B43_OFDMTAB_AGC2, 0, 0x2710); + b43_ofdmtab_write16(dev, B43_OFDMTAB_AGC2, 1, 0x9B83); + b43_ofdmtab_write16(dev, B43_OFDMTAB_AGC2, 2, 0x9B83); + b43_ofdmtab_write16(dev, B43_OFDMTAB_AGC2, 3, 0x0F8D); + b43_phy_write(dev, B43_PHY_LMS, 4); + } else { + b43_ofdmtab_write16(dev, B43_OFDMTAB_AGC1, 0, 254); + b43_ofdmtab_write16(dev, B43_OFDMTAB_AGC1, 1, 13); + b43_ofdmtab_write16(dev, B43_OFDMTAB_AGC1, 2, 19); + b43_ofdmtab_write16(dev, B43_OFDMTAB_AGC1, 3, 25); + } + + b43_phy_maskset(dev, B43_PHY_CCKSHIFTBITS_WA, 0x00FF, 0x5700); + b43_phy_maskset(dev, B43_PHY_OFDM(0x1A), ~0x007F, 0x000F); + b43_phy_maskset(dev, B43_PHY_OFDM(0x1A), ~0x3F80, 0x2B80); + b43_phy_maskset(dev, B43_PHY_ANTWRSETT, 0xF0FF, 0x0300); + b43_radio_set(dev, 0x7A, 0x0008); + b43_phy_maskset(dev, B43_PHY_N1P1GAIN, ~0x000F, 0x0008); + b43_phy_maskset(dev, B43_PHY_P1P2GAIN, ~0x0F00, 0x0600); + b43_phy_maskset(dev, B43_PHY_N1N2GAIN, ~0x0F00, 0x0700); + b43_phy_maskset(dev, B43_PHY_N1P1GAIN, ~0x0F00, 0x0100); + if (phy->rev == 1) { + b43_phy_maskset(dev, B43_PHY_N1N2GAIN, ~0x000F, 0x0007); + } + b43_phy_maskset(dev, B43_PHY_OFDM(0x88), ~0x00FF, 0x001C); + b43_phy_maskset(dev, B43_PHY_OFDM(0x88), ~0x3F00, 0x0200); + b43_phy_maskset(dev, B43_PHY_OFDM(0x96), ~0x00FF, 0x001C); + b43_phy_maskset(dev, B43_PHY_OFDM(0x89), ~0x00FF, 0x0020); + b43_phy_maskset(dev, B43_PHY_OFDM(0x89), ~0x3F00, 0x0200); + b43_phy_maskset(dev, B43_PHY_OFDM(0x82), ~0x00FF, 0x002E); + b43_phy_maskset(dev, B43_PHY_OFDM(0x96), 0x00FF, 0x1A00); + b43_phy_maskset(dev, B43_PHY_OFDM(0x81), ~0x00FF, 0x0028); + b43_phy_maskset(dev, B43_PHY_OFDM(0x81), 0x00FF, 0x2C00); + if (phy->rev == 1) { + b43_phy_write(dev, B43_PHY_PEAK_COUNT, 0x092B); + b43_phy_maskset(dev, B43_PHY_OFDM(0x1B), ~0x001E, 0x0002); + } else { + b43_phy_mask(dev, B43_PHY_OFDM(0x1B), ~0x001E); + b43_phy_write(dev, B43_PHY_OFDM(0x1F), 0x287A); + b43_phy_maskset(dev, B43_PHY_LPFGAINCTL, ~0x000F, 0x0004); + if (phy->rev >= 6) { + b43_phy_write(dev, B43_PHY_OFDM(0x22), 0x287A); + b43_phy_maskset(dev, B43_PHY_LPFGAINCTL, 0x0FFF, 0x3000); + } + } + b43_phy_maskset(dev, B43_PHY_DIVSRCHIDX, 0x8080, 0x7874); + b43_phy_write(dev, B43_PHY_OFDM(0x8E), 0x1C00); + if (phy->rev == 1) { + b43_phy_maskset(dev, B43_PHY_DIVP1P2GAIN, ~0x0F00, 0x0600); + b43_phy_write(dev, B43_PHY_OFDM(0x8B), 0x005E); + b43_phy_maskset(dev, B43_PHY_ANTWRSETT, ~0x00FF, 0x001E); + b43_phy_write(dev, B43_PHY_OFDM(0x8D), 0x0002); + b43_ofdmtab_write16(dev, B43_OFDMTAB_AGC3_R1, 0, 0); + b43_ofdmtab_write16(dev, B43_OFDMTAB_AGC3_R1, 1, 7); + b43_ofdmtab_write16(dev, B43_OFDMTAB_AGC3_R1, 2, 16); + b43_ofdmtab_write16(dev, B43_OFDMTAB_AGC3_R1, 3, 28); + } else { + b43_ofdmtab_write16(dev, B43_OFDMTAB_AGC3, 0, 0); + b43_ofdmtab_write16(dev, B43_OFDMTAB_AGC3, 1, 7); + b43_ofdmtab_write16(dev, B43_OFDMTAB_AGC3, 2, 16); + b43_ofdmtab_write16(dev, B43_OFDMTAB_AGC3, 3, 28); + } + if (phy->rev >= 6) { + b43_phy_mask(dev, B43_PHY_OFDM(0x26), ~0x0003); + b43_phy_mask(dev, B43_PHY_OFDM(0x26), ~0x1000); + } + b43_phy_read(dev, B43_PHY_VERSION_OFDM); /* Dummy read */ +} + +static void b43_wa_tr_ltov(struct b43_wldev *dev) /* TR Lookup Table Original Values */ +{ + b43_gtab_write(dev, B43_GTAB_ORIGTR, 0, 0x7654); +} + +static void b43_wa_cpll_nonpilot(struct b43_wldev *dev) +{ + b43_ofdmtab_write16(dev, B43_OFDMTAB_UNKNOWN_11, 0, 0); + b43_ofdmtab_write16(dev, B43_OFDMTAB_UNKNOWN_11, 1, 0); +} + +static void b43_wa_boards_g(struct b43_wldev *dev) +{ + struct ssb_sprom *sprom = dev->dev->bus_sprom; + struct b43_phy *phy = &dev->phy; + + if (dev->dev->board_vendor != SSB_BOARDVENDOR_BCM || + dev->dev->board_type != SSB_BOARD_BU4306 || + dev->dev->board_rev != 0x17) { + if (phy->rev < 2) { + b43_ofdmtab_write16(dev, B43_OFDMTAB_GAINX_R1, 1, 0x0002); + b43_ofdmtab_write16(dev, B43_OFDMTAB_GAINX_R1, 2, 0x0001); + } else { + b43_ofdmtab_write16(dev, B43_OFDMTAB_GAINX, 1, 0x0002); + b43_ofdmtab_write16(dev, B43_OFDMTAB_GAINX, 2, 0x0001); + if ((sprom->boardflags_lo & B43_BFL_EXTLNA) && + (phy->rev >= 7)) { + b43_phy_mask(dev, B43_PHY_EXTG(0x11), 0xF7FF); + b43_ofdmtab_write16(dev, B43_OFDMTAB_GAINX, 0x0020, 0x0001); + b43_ofdmtab_write16(dev, B43_OFDMTAB_GAINX, 0x0021, 0x0001); + b43_ofdmtab_write16(dev, B43_OFDMTAB_GAINX, 0x0022, 0x0001); + b43_ofdmtab_write16(dev, B43_OFDMTAB_GAINX, 0x0023, 0x0000); + b43_ofdmtab_write16(dev, B43_OFDMTAB_GAINX, 0x0000, 0x0000); + b43_ofdmtab_write16(dev, B43_OFDMTAB_GAINX, 0x0003, 0x0002); + } + } + } + if (sprom->boardflags_lo & B43_BFL_FEM) { + b43_phy_write(dev, B43_PHY_GTABCTL, 0x3120); + b43_phy_write(dev, B43_PHY_GTABDATA, 0xC480); + } +} + +void b43_wa_all(struct b43_wldev *dev) +{ + struct b43_phy *phy = &dev->phy; + + if (phy->type == B43_PHYTYPE_G) { + switch (phy->rev) { + case 1://XXX review rev1 + b43_wa_crs_ed(dev); + b43_wa_crs_thr(dev); + b43_wa_crs_blank(dev); + b43_wa_cck_shiftbits(dev); + b43_wa_fft(dev); + b43_wa_nft(dev); + b43_wa_rt(dev); + b43_wa_nst(dev); + b43_wa_art(dev); + b43_wa_wrssi_offset(dev); + b43_wa_altagc(dev); + break; + case 2: + case 6: + case 7: + case 8: + case 9: + b43_wa_tr_ltov(dev); + b43_wa_crs_ed(dev); + b43_wa_rssi_lt(dev); + b43_wa_nft(dev); + b43_wa_nst(dev); + b43_wa_msst(dev); + b43_wa_wrssi_offset(dev); + b43_wa_altagc(dev); + b43_wa_analog(dev); + b43_wa_txpuoff_rxpuon(dev); + break; + default: + B43_WARN_ON(1); + } + b43_wa_boards_g(dev); + } else { /* No N PHY support so far, LP PHY is in phy_lp.c */ + B43_WARN_ON(1); + } + + b43_wa_cpll_nonpilot(dev); +} |