/* Broadcom B43 wireless driver IEEE 802.11g LP-PHY driver Copyright (c) 2008-2009 Michael Buesch This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program; see the file COPYING. If not, write to the Free Software Foundation, Inc., 51 Franklin Steet, Fifth Floor, Boston, MA 02110-1301, USA. */ #include "b43.h" #include "main.h" #include "phy_lp.h" #include "phy_common.h" #include "tables_lpphy.h" static int b43_lpphy_op_allocate(struct b43_wldev *dev) { struct b43_phy_lp *lpphy; lpphy = kzalloc(sizeof(*lpphy), GFP_KERNEL); if (!lpphy) return -ENOMEM; dev->phy.lp = lpphy; return 0; } static void b43_lpphy_op_prepare_structs(struct b43_wldev *dev) { struct b43_phy *phy = &dev->phy; struct b43_phy_lp *lpphy = phy->lp; memset(lpphy, 0, sizeof(*lpphy)); //TODO } static void b43_lpphy_op_free(struct b43_wldev *dev) { struct b43_phy_lp *lpphy = dev->phy.lp; kfree(lpphy); dev->phy.lp = NULL; } static void lpphy_read_band_sprom(struct b43_wldev *dev) { struct b43_phy_lp *lpphy = dev->phy.lp; struct ssb_bus *bus = dev->dev->bus; u16 cckpo, maxpwr; u32 ofdmpo; int i; if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ) { lpphy->tx_isolation_med_band = bus->sprom.tri2g; lpphy->bx_arch = bus->sprom.bxa2g; lpphy->rx_pwr_offset = bus->sprom.rxpo2g; lpphy->rssi_vf = bus->sprom.rssismf2g; lpphy->rssi_vc = bus->sprom.rssismc2g; lpphy->rssi_gs = bus->sprom.rssisav2g; lpphy->txpa[0] = bus->sprom.pa0b0; lpphy->txpa[1] = bus->sprom.pa0b1; lpphy->txpa[2] = bus->sprom.pa0b2; maxpwr = bus->sprom.maxpwr_bg; lpphy->max_tx_pwr_med_band = maxpwr; cckpo = bus->sprom.cck2gpo; ofdmpo = bus->sprom.ofdm2gpo; if (cckpo) { for (i = 0; i < 4; i++) { lpphy->tx_max_rate[i] = maxpwr - (ofdmpo & 0xF) * 2; ofdmpo >>= 4; } ofdmpo = bus->sprom.ofdm2gpo; for (i = 4; i < 15; i++) { lpphy->tx_max_rate[i] = maxpwr - (ofdmpo & 0xF) * 2; ofdmpo >>= 4; } } else { ofdmpo &= 0xFF; for (i = 0; i < 4; i++) lpphy->tx_max_rate[i] = maxpwr; for (i = 4; i < 15; i++) lpphy->tx_max_rate[i] = maxpwr - ofdmpo; } } else { /* 5GHz */ lpphy->tx_isolation_low_band = bus->sprom.tri5gl; lpphy->tx_isolation_med_band = bus->sprom.tri5g; lpphy->tx_isolation_hi_band = bus->sprom.tri5gh; lpphy->bx_arch = bus->sprom.bxa5g; lpphy->rx_pwr_offset = bus->sprom.rxpo5g; lpphy->rssi_vf = bus->sprom.rssismf5g; lpphy->rssi_vc = bus->sprom.rssismc5g; lpphy->rssi_gs = bus->sprom.rssisav5g; lpphy->txpa[0] = bus->sprom.pa1b0; lpphy->txpa[1] = bus->sprom.pa1b1; lpphy->txpa[2] = bus->sprom.pa1b2; lpphy->txpal[0] = bus->sprom.pa1lob0; lpphy->txpal[1] = bus->sprom.pa1lob1; lpphy->txpal[2] = bus->sprom.pa1lob2; lpphy->txpah[0] = bus->sprom.pa1hib0; lpphy->txpah[1] = bus->sprom.pa1hib1; lpphy->txpah[2] = bus->sprom.pa1hib2; maxpwr = bus->sprom.maxpwr_al; ofdmpo = bus->sprom.ofdm5glpo; lpphy->max_tx_pwr_low_band = maxpwr; for (i = 4; i < 12; i++) { lpphy->tx_max_ratel[i] = maxpwr - (ofdmpo & 0xF) * 2; ofdmpo >>= 4; } maxpwr = bus->sprom.maxpwr_a; ofdmpo = bus->sprom.ofdm5gpo; lpphy->max_tx_pwr_med_band = maxpwr; for (i = 4; i < 12; i++) { lpphy->tx_max_rate[i] = maxpwr - (ofdmpo & 0xF) * 2; ofdmpo >>= 4; } maxpwr = bus->sprom.maxpwr_ah; ofdmpo = bus->sprom.ofdm5ghpo; lpphy->max_tx_pwr_hi_band = maxpwr; for (i = 4; i < 12; i++) { lpphy->tx_max_rateh[i] = maxpwr - (ofdmpo & 0xF) * 2; ofdmpo >>= 4; } } } static void lpphy_adjust_gain_table(struct b43_wldev *dev) { struct b43_phy_lp *lpphy = dev->phy.lp; u32 freq = dev->wl->hw->conf.channel->center_freq; u16 temp[3]; u16 isolation; B43_WARN_ON(dev->phy.rev >= 2); if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ) isolation = lpphy->tx_isolation_med_band; else if (freq <= 5320) isolation = lpphy->tx_isolation_low_band; else if (freq <= 5700) isolation = lpphy->tx_isolation_med_band; else isolation = lpphy->tx_isolation_hi_band; temp[0] = ((isolation - 26) / 12) << 12; temp[1] = temp[0] + 0x1000; temp[2] = temp[0] + 0x2000; b43_lptab_write_bulk(dev, B43_LPTAB16(12, 0), 3, temp); b43_lptab_write_bulk(dev, B43_LPTAB16(13, 0), 3, temp); } static void lpphy_table_init(struct b43_wldev *dev) { if (dev->phy.rev < 2) lpphy_rev0_1_table_init(dev); else lpphy_rev2plus_table_init(dev); lpphy_init_tx_gain_table(dev); if (dev->phy.rev < 2) lpphy_adjust_gain_table(dev); } static void lpphy_baseband_rev0_1_init(struct b43_wldev *dev) { struct ssb_bus *bus = dev->dev->bus; u16 tmp, tmp2; if (dev->phy.rev == 1 && (bus->sprom.boardflags_hi & B43_BFH_FEM_BT)) { b43_phy_maskset(dev, B43_LPPHY_TR_LOOKUP_1, 0xFFC0, 0x000A); b43_phy_maskset(dev, B43_LPPHY_TR_LOOKUP_1, 0x3F00, 0x0900); b43_phy_maskset(dev, B43_LPPHY_TR_LOOKUP_2, 0xFFC0, 0x000A); b43_phy_maskset(dev, B43_LPPHY_TR_LOOKUP_2, 0xC0FF, 0x0B00); b43_phy_maskset(dev, B43_LPPHY_TR_LOOKUP_3, 0xFFC0, 0x000A); b43_phy_maskset(dev, B43_LPPHY_TR_LOOKUP_3, 0xC0FF, 0x0400); b43_phy_maskset(dev, B43_LPPHY_TR_LOOKUP_4, 0xFFC0, 0x000A); b43_phy_maskset(dev, B43_LPPHY_TR_LOOKUP_4, 0xC0FF, 0x0B00); b43_phy_maskset(dev, B43_LPPHY_TR_LOOKUP_5, 0xFFC0, 0x000A); b43_phy_maskset(dev, B43_LPPHY_TR_LOOKUP_5, 0xC0FF, 0x0900); b43_phy_maskset(dev, B43_LPPHY_TR_LOOKUP_6, 0xFFC0, 0x000A); b43_phy_maskset(dev, B43_LPPHY_TR_LOOKUP_6, 0xC0FF, 0x0B00); b43_phy_maskset(dev, B43_LPPHY_TR_LOOKUP_7, 0xFFC0, 0x000A); b43_phy_maskset(dev, B43_LPPHY_TR_LOOKUP_7, 0xC0FF, 0x0900); b43_phy_maskset(dev, B43_LPPHY_TR_LOOKUP_8, 0xFFC0, 0x000A); b43_phy_maskset(dev, B43_LPPHY_TR_LOOKUP_8, 0xC0FF, 0x0B00); } else if (b43_current_band(dev->wl) == IEEE80211_BAND_5GHZ || (bus->boardinfo.type == 0x048A) || ((dev->phy.rev == 0) && (bus->sprom.boardflags_lo & B43_BFL_FEM))) { b43_phy_maskset(dev, B43_LPPHY_TR_LOOKUP_1, 0xFFC0, 0x0001); b43_phy_maskset(dev, B43_LPPHY_TR_LOOKUP_1, 0xC0FF, 0x0400); b43_phy_maskset(dev, B43_LPPHY_TR_LOOKUP_2, 0xFFC0, 0x0001); b43_phy_maskset(dev, B43_LPPHY_TR_LOOKUP_2, 0xC0FF, 0x0500); b43_phy_maskset(dev, B43_LPPHY_TR_LOOKUP_3, 0xFFC0, 0x0002); b43_phy_maskset(dev, B43_LPPHY_TR_LOOKUP_3, 0xC0FF, 0x0800); b43_phy_maskset(dev, B43_LPPHY_TR_LOOKUP_4, 0xFFC0, 0x0002); b43_phy_maskset(dev, B43_LPPHY_TR_LOOKUP_4, 0xC0FF, 0x0A00); } else if (dev->phy.rev == 1 || (bus->sprom.boardflags_lo & B43_BFL_FEM)) { b43_phy_maskset(dev, B43_LPPHY_TR_LOOKUP_1, 0xFFC0, 0x0004); b43_phy_maskset(dev, B43_LPPHY_TR_LOOKUP_1, 0xC0FF, 0x0800); b43_phy_maskset(dev, B43_LPPHY_TR_LOOKUP_2, 0xFFC0, 0x0004); b43_phy_maskset(dev, B43_LPPHY_TR_LOOKUP_2, 0xC0FF, 0x0C00); b43_phy_maskset(dev, B43_LPPHY_TR_LOOKUP_3, 0xFFC0, 0x0002); b43_phy_maskset(dev, B43_LPPHY_TR_LOOKUP_3, 0xC0FF, 0x0100); b43_phy_maskset(dev, B43_LPPHY_TR_LOOKUP_4, 0xFFC0, 0x0002); b43_phy_maskset(dev, B43_LPPHY_TR_LOOKUP_4, 0xC0FF, 0x0300); } else { b43_phy_maskset(dev, B43_LPPHY_TR_LOOKUP_1, 0xFFC0, 0x000A); b43_phy_maskset(dev, B43_LPPHY_TR_LOOKUP_1, 0xC0FF, 0x0900); b43_phy_maskset(dev, B43_LPPHY_TR_LOOKUP_2, 0xFFC0, 0x000A); b43_phy_maskset(dev, B43_LPPHY_TR_LOOKUP_2, 0xC0FF, 0x0B00); b43_phy_maskset(dev, B43_LPPHY_TR_LOOKUP_3, 0xFFC0, 0x0006); b43_phy_maskset(dev, B43_LPPHY_TR_LOOKUP_3, 0xC0FF, 0x0500); b43_phy_maskset(dev, B43_LPPHY_TR_LOOKUP_4, 0xFFC0, 0x0006); b43_phy_maskset(dev, B43_LPPHY_TR_LOOKUP_4, 0xC0FF, 0x0700); } if (dev->phy.rev == 1) { b43_phy_copy(dev, B43_LPPHY_TR_LOOKUP_5, B43_LPPHY_TR_LOOKUP_1); b43_phy_copy(dev, B43_LPPHY_TR_LOOKUP_6, B43_LPPHY_TR_LOOKUP_2); b43_phy_copy(dev, B43_LPPHY_TR_LOOKUP_7, B43_LPPHY_TR_LOOKUP_3); b43_phy_copy(dev, B43_LPPHY_TR_LOOKUP_8, B43_LPPHY_TR_LOOKUP_4); } if ((bus->sprom.boardflags_hi & B43_BFH_FEM_BT) && (bus->chip_id == 0x5354) && (bus->chip_package == SSB_CHIPPACK_BCM4712S)) { b43_phy_set(dev, B43_LPPHY_CRSGAIN_CTL, 0x0006); b43_phy_write(dev, B43_LPPHY_GPIO_SELECT, 0x0005); b43_phy_write(dev, B43_LPPHY_GPIO_OUTEN, 0xFFFF); b43_hf_write(dev, b43_hf_read(dev) | B43_HF_PR45960W); } if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ) { b43_phy_set(dev, B43_LPPHY_LP_PHY_CTL, 0x8000); b43_phy_set(dev, B43_LPPHY_CRSGAIN_CTL, 0x0040); b43_phy_maskset(dev, B43_LPPHY_MINPWR_LEVEL, 0x00FF, 0xA400); b43_phy_maskset(dev, B43_LPPHY_CRSGAIN_CTL, 0xF0FF, 0x0B00); b43_phy_maskset(dev, B43_LPPHY_SYNCPEAKCNT, 0xFFF8, 0x0007); b43_phy_maskset(dev, B43_LPPHY_DSSS_CONFIRM_CNT, 0xFFF8, 0x0003); b43_phy_maskset(dev, B43_LPPHY_DSSS_CONFIRM_CNT, 0xFFC7, 0x0020); b43_phy_mask(dev, B43_LPPHY_IDLEAFTERPKTRXTO, 0x00FF); } else { /* 5GHz */ b43_phy_mask(dev, B43_LPPHY_LP_PHY_CTL, 0x7FFF); b43_phy_mask(dev, B43_LPPHY_CRSGAIN_CTL, 0xFFBF); } if (dev->phy.rev == 1) { tmp = b43_phy_read(dev, B43_LPPHY_CLIPCTRTHRESH); tmp2 = (tmp & 0x03E0) >> 5; tmp2 |= tmp << 5; b43_phy_write(dev, B43_LPPHY_4C3, tmp2); tmp = b43_phy_read(dev, B43_LPPHY_OFDMSYNCTHRESH0); tmp2 = (tmp & 0x1F00) >> 8; tmp2 |= tmp << 5; b43_phy_write(dev, B43_LPPHY_4C4, tmp2); tmp = b43_phy_read(dev, B43_LPPHY_VERYLOWGAINDB); tmp2 = tmp & 0x00FF; tmp2 |= tmp << 8; b43_phy_write(dev, B43_LPPHY_4C5, tmp2); } } static void lpphy_save_dig_flt_state(struct b43_wldev *dev) { static const u16 addr[] = { B43_PHY_OFDM(0xC1), B43_PHY_OFDM(0xC2), B43_PHY_OFDM(0xC3), B43_PHY_OFDM(0xC4), B43_PHY_OFDM(0xC5), B43_PHY_OFDM(0xC6), B43_PHY_OFDM(0xC7), B43_PHY_OFDM(0xC8), B43_PHY_OFDM(0xCF), }; static const u16 coefs[] = { 0xDE5E, 0xE832, 0xE331, 0x4D26, 0x0026, 0x1420, 0x0020, 0xFE08, 0x0008, }; struct b43_phy_lp *lpphy = dev->phy.lp; int i; for (i = 0; i < ARRAY_SIZE(addr); i++) { lpphy->dig_flt_state[i] = b43_phy_read(dev, addr[i]); b43_phy_write(dev, addr[i], coefs[i]); } } static void lpphy_restore_dig_flt_state(struct b43_wldev *dev) { static const u16 addr[] = { B43_PHY_OFDM(0xC1), B43_PHY_OFDM(0xC2), B43_PHY_OFDM(0xC3), B43_PHY_OFDM(0xC4), B43_PHY_OFDM(0xC5), B43_PHY_OFDM(0xC6), B43_PHY_OFDM(0xC7), B43_PHY_OFDM(0xC8), B43_PHY_OFDM(0xCF), }; struct b43_phy_lp *lpphy = dev->phy.lp; int i; for (i = 0; i < ARRAY_SIZE(addr); i++) b43_phy_write(dev, addr[i], lpphy->dig_flt_state[i]); } static void lpphy_baseband_rev2plus_init(struct b43_wldev *dev) { struct ssb_bus *bus = dev->dev->bus; struct b43_phy_lp *lpphy = dev->phy.lp; b43_phy_write(dev, B43_LPPHY_AFE_DAC_CTL, 0x50); b43_phy_write(dev, B43_LPPHY_AFE_CTL, 0x8800); b43_phy_write(dev, B43_LPPHY_AFE_CTL_OVR, 0); b43_phy_write(dev, B43_LPPHY_AFE_CTL_OVRVAL, 0); b43_phy_write(dev, B43_LPPHY_RF_OVERRIDE_0, 0); b43_phy_write(dev, B43_LPPHY_RF_OVERRIDE_2, 0); b43_phy_write(dev, B43_PHY_OFDM(0xF9), 0); b43_phy_write(dev, B43_LPPHY_TR_LOOKUP_1, 0); b43_phy_set(dev, B43_LPPHY_ADC_COMPENSATION_CTL, 0x10); b43_phy_maskset(dev, B43_LPPHY_OFDMSYNCTHRESH0, 0xFF00, 0xB4); b43_phy_maskset(dev, B43_LPPHY_DCOFFSETTRANSIENT, 0xF8FF, 0x200); b43_phy_maskset(dev, B43_LPPHY_DCOFFSETTRANSIENT, 0xFF00, 0x7F); b43_phy_maskset(dev, B43_LPPHY_GAINDIRECTMISMATCH, 0xFF0F, 0x40); b43_phy_maskset(dev, B43_LPPHY_PREAMBLECONFIRMTO, 0xFF00, 0x2); b43_phy_mask(dev, B43_LPPHY_CRSGAIN_CTL, ~0x4000); b43_phy_mask(dev, B43_LPPHY_CRSGAIN_CTL, ~0x2000); b43_phy_set(dev, B43_PHY_OFDM(0x10A), 0x1); if (bus->boardinfo.rev >= 0x18) { b43_lptab_write(dev, B43_LPTAB32(17, 65), 0xEC); b43_phy_maskset(dev, B43_PHY_OFDM(0x10A), 0xFF01, 0x14); } else { b43_phy_maskset(dev, B43_PHY_OFDM(0x10A), 0xFF01, 0x10); } b43_phy_maskset(dev, B43_PHY_OFDM(0xDF), 0xFF00, 0xF4); b43_phy_maskset(dev, B43_PHY_OFDM(0xDF), 0x00FF, 0xF100); b43_phy_write(dev, B43_LPPHY_CLIPTHRESH, 0x48); b43_phy_maskset(dev, B43_LPPHY_HIGAINDB, 0xFF00, 0x46); b43_phy_maskset(dev, B43_PHY_OFDM(0xE4), 0xFF00, 0x10); b43_phy_maskset(dev, B43_LPPHY_PWR_THRESH1, 0xFFF0, 0x9); b43_phy_mask(dev, B43_LPPHY_GAINDIRECTMISMATCH, ~0xF); b43_phy_maskset(dev, B43_LPPHY_VERYLOWGAINDB, 0x00FF, 0x5500); b43_phy_maskset(dev, B43_LPPHY_CLIPCTRTHRESH, 0xF81F, 0xA0); b43_phy_maskset(dev, B43_LPPHY_GAINDIRECTMISMATCH, 0xE0FF, 0x300); b43_phy_maskset(dev, B43_LPPHY_HIGAINDB, 0x00FF, 0x2A00); if ((bus->chip_id == 0x4325) && (bus->chip_rev == 0)) { b43_phy_maskset(dev, B43_LPPHY_LOWGAINDB, 0x00FF, 0x2100); b43_phy_maskset(dev, B43_LPPHY_VERYLOWGAINDB, 0xFF00, 0xA); } else { b43_phy_maskset(dev, B43_LPPHY_LOWGAINDB, 0x00FF, 0x1E00); b43_phy_maskset(dev, B43_LPPHY_VERYLOWGAINDB, 0xFF00, 0xD); } b43_phy_maskset(dev, B43_PHY_OFDM(0xFE), 0xFFE0, 0x1F); b43_phy_maskset(dev, B43_PHY_OFDM(0xFF), 0xFFE0, 0xC); b43_phy_maskset(dev, B43_PHY_OFDM(0x100), 0xFF00, 0x19); b43_phy_maskset(dev, B43_PHY_OFDM(0xFF), 0x03FF, 0x3C00); b43_phy_maskset(dev, B43_PHY_OFDM(0xFE), 0xFC1F, 0x3E0); b43_phy_maskset(dev, B43_PHY_OFDM(0xFF), 0xFFE0, 0xC); b43_phy_maskset(dev, B43_PHY_OFDM(0x100), 0x00FF, 0x1900); b43_phy_maskset(dev, B43_LPPHY_CLIPCTRTHRESH, 0x83FF, 0x5800); b43_phy_maskset(dev, B43_LPPHY_CLIPCTRTHRESH, 0xFFE0, 0x12); b43_phy_maskset(dev, B43_LPPHY_GAINMISMATCH, 0x0FFF, 0x9000); if ((bus->chip_id == 0x4325) && (bus->chip_rev == 1)) { b43_lptab_write(dev, B43_LPTAB16(0x08, 0x14), 0); b43_lptab_write(dev, B43_LPTAB16(0x08, 0x12), 0x40); } if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ) { b43_phy_set(dev, B43_LPPHY_CRSGAIN_CTL, 0x40); b43_phy_maskset(dev, B43_LPPHY_CRSGAIN_CTL, 0xF0FF, 0xB00); b43_phy_maskset(dev, B43_LPPHY_SYNCPEAKCNT, 0xFFF8, 0x6); b43_phy_maskset(dev, B43_LPPHY_MINPWR_LEVEL, 0x00FF, 0x9D00); b43_phy_maskset(dev, B43_LPPHY_MINPWR_LEVEL, 0xFF00, 0xA1); } else /* 5GHz */ b43_phy_mask(dev, B43_LPPHY_CRSGAIN_CTL, ~0x40); b43_phy_maskset(dev, B43_LPPHY_CRS_ED_THRESH, 0xFF00, 0xB3); b43_phy_maskset(dev, B43_LPPHY_CRS_ED_THRESH, 0x00FF, 0xAD00); b43_phy_maskset(dev, B43_LPPHY_INPUT_PWRDB, 0xFF00, lpphy->rx_pwr_offset); b43_phy_set(dev, B43_LPPHY_RESET_CTL, 0x44); b43_phy_write(dev, B43_LPPHY_RESET_CTL, 0x80); b43_phy_write(dev, B43_LPPHY_AFE_RSSI_CTL_0, 0xA954); b43_phy_write(dev, B43_LPPHY_AFE_RSSI_CTL_1, 0x2000 | ((u16)lpphy->rssi_gs << 10) | ((u16)lpphy->rssi_vc << 4) | lpphy->rssi_vf); if ((bus->chip_id == 0x4325) && (bus->chip_rev == 0)) { b43_phy_set(dev, B43_LPPHY_AFE_ADC_CTL_0, 0x1C); b43_phy_maskset(dev, B43_LPPHY_AFE_CTL, 0x00FF, 0x8800); b43_phy_maskset(dev, B43_LPPHY_AFE_ADC_CTL_1, 0xFC3C, 0x0400); } lpphy_save_dig_flt_state(dev); } static void lpphy_baseband_init(struct b43_wldev *dev) { lpphy_table_init(dev); if (dev->phy.rev >= 2) lpphy_baseband_rev2plus_init(dev); else lpphy_baseband_rev0_1_init(dev); } struct b2062_freqdata { u16 freq; u8 data[6]; }; /* Initialize the 2062 radio. */ static void lpphy_2062_init(struct b43_wldev *dev) { struct ssb_bus *bus = dev->dev->bus; u32 crystalfreq, pdiv, tmp, ref; unsigned int i; const struct b2062_freqdata *fd = NULL; static const struct b2062_freqdata freqdata_tab[] = { { .freq = 12000, .data[0] = 6, .data[1] = 6, .data[2] = 6, .data[3] = 6, .data[4] = 10, .data[5] = 6, }, { .freq = 13000, .data[0] = 4, .data[1] = 4, .data[2] = 4, .data[3] = 4, .data[4] = 11, .data[5] = 7, }, { .freq = 14400, .data[0] = 3, .data[1] = 3, .data[2] = 3, .data[3] = 3, .data[4] = 12, .data[5] = 7, }, { .freq = 16200, .data[0] = 3, .data[1] = 3, .data[2] = 3, .data[3] = 3, .data[4] = 13, .data[5] = 8, }, { .freq = 18000, .data[0] = 2, .data[1] = 2, .data[2] = 2, .data[3] = 2, .data[4] = 14, .data[5] = 8, }, { .freq = 19200, .data[0] = 1, .data[1] = 1, .data[2] = 1, .data[3] = 1, .data[4] = 14, .data[5] = 9, }, }; b2062_upload_init_table(dev); b43_radio_write(dev, B2062_N_TX_CTL3, 0); b43_radio_write(dev, B2062_N_TX_CTL4, 0); b43_radio_write(dev, B2062_N_TX_CTL5, 0); b43_radio_write(dev, B2062_N_PDN_CTL0, 0x40); b43_radio_write(dev, B2062_N_PDN_CTL0, 0); b43_radio_write(dev, B2062_N_CALIB_TS, 0x10); b43_radio_write(dev, B2062_N_CALIB_TS, 0); if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ) b43_radio_set(dev, B2062_N_TSSI_CTL0, 0x1); else b43_radio_mask(dev, B2062_N_TSSI_CTL0, ~0x1); /* Get the crystal freq, in Hz. */ crystalfreq = bus->chipco.pmu.crystalfreq * 1000; B43_WARN_ON(!(bus->chipco.capabilities & SSB_CHIPCO_CAP_PMU)); B43_WARN_ON(crystalfreq == 0); if (crystalfreq >= 30000000) { pdiv = 1; b43_radio_mask(dev, B2062_S_RFPLL_CTL1, 0xFFFB); } else { pdiv = 2; b43_radio_set(dev, B2062_S_RFPLL_CTL1, 0x4); } tmp = (800000000 * pdiv + crystalfreq) / (32000000 * pdiv); tmp = (tmp - 1) & 0xFF; b43_radio_write(dev, B2062_S_RFPLL_CTL18, tmp); tmp = (2 * crystalfreq + 1000000 * pdiv) / (2000000 * pdiv); tmp = ((tmp & 0xFF) - 1) & 0xFFFF; b43_radio_write(dev, B2062_S_RFPLL_CTL19, tmp); ref = (1000 * pdiv + 2 * crystalfreq) / (2000 * pdiv); ref &= 0xFFFF; for (i = 0; i < ARRAY_SIZE(freqdata_tab); i++) { if (ref < freqdata_tab[i].freq) { fd = &freqdata_tab[i]; break; } } if (!fd) fd = &freqdata_tab[ARRAY_SIZE(freqdata_tab) - 1]; b43dbg(dev->wl, "b2062: Using crystal tab entry %u kHz.\n", fd->freq); /* FIXME: Keep this printk until the code is fully debugged. */ b43_radio_write(dev, B2062_S_RFPLL_CTL8, ((u16)(fd->data[1]) << 4) | fd->data[0]); b43_radio_write(dev, B2062_S_RFPLL_CTL9, ((u16)(fd->data[3]) << 4) | fd->data[2]); b43_radio_write(dev, B2062_S_RFPLL_CTL10, fd->data[4]); b43_radio_write(dev, B2062_S_RFPLL_CTL11, fd->data[5]); } /* Initialize the 2063 radio. */ static void lpphy_2063_init(struct b43_wldev *dev) { b2063_upload_init_table(dev); b43_radio_write(dev, B2063_LOGEN_SP5, 0); b43_radio_set(dev, B2063_COMM8, 0x38); b43_radio_write(dev, B2063_REG_SP1, 0x56); b43_radio_mask(dev, B2063_RX_BB_CTL2, ~0x2); b43_radio_write(dev, B2063_PA_SP7, 0); b43_radio_write(dev, B2063_TX_RF_SP6, 0x20); b43_radio_write(dev, B2063_TX_RF_SP9, 0x40); b43_radio_write(dev, B2063_PA_SP3, 0xa0); b43_radio_write(dev, B2063_PA_SP4, 0xa0); b43_radio_write(dev, B2063_PA_SP2, 0x18); } struct lpphy_stx_table_entry { u16 phy_offset; u16 phy_shift; u16 rf_addr; u16 rf_shift; u16 mask; }; static const struct lpphy_stx_table_entry lpphy_stx_table[] = { { .phy_offset = 2, .phy_shift = 6, .rf_addr = 0x3d, .rf_shift = 3, .mask = 0x01, }, { .phy_offset = 1, .phy_shift = 12, .rf_addr = 0x4c, .rf_shift = 1, .mask = 0x01, }, { .phy_offset = 1, .phy_shift = 8, .rf_addr = 0x50, .rf_shift = 0, .mask = 0x7f, }, { .phy_offset = 0, .phy_shift = 8, .rf_addr = 0x44, .rf_shift = 0, .mask = 0xff, }, { .phy_offset = 1, .phy_shift = 0, .rf_addr = 0x4a, .rf_shift = 0, .mask = 0xff, }, { .phy_offset = 0, .phy_shift = 4, .rf_addr = 0x4d, .rf_shift = 0, .mask = 0xff, }, { .phy_offset = 1, .phy_shift = 4, .rf_addr = 0x4e, .rf_shift = 0, .mask = 0xff, }, { .phy_offset = 0, .phy_shift = 12, .rf_addr = 0x4f, .rf_shift = 0, .mask = 0x0f, }, { .phy_offset = 1, .phy_shift = 0, .rf_addr = 0x4f, .rf_shift = 4, .mask = 0x0f, }, { .phy_offset = 3, .phy_shift = 0, .rf_addr = 0x49, .rf_shift = 0, .mask = 0x0f, }, { .phy_offset = 4, .phy_shift = 3, .rf_addr = 0x46, .rf_shift = 4, .mask = 0x07, }, { .phy_offset = 3, .phy_shift = 15, .rf_addr = 0x46, .rf_shift = 0, .mask = 0x01, }, { .phy_offset = 4, .phy_shift = 0, .rf_addr = 0x46, .rf_shift = 1, .mask = 0x07, }, { .phy_offset = 3, .phy_shift = 8, .rf_addr = 0x48, .rf_shift = 4, .mask = 0x07, }, { .phy_offset = 3, .phy_shift = 11, .rf_addr = 0x48, .rf_shift = 0, .mask = 0x0f, }, { .phy_offset = 3, .phy_shift = 4, .rf_addr = 0x49, .rf_shift = 4, .mask = 0x0f, }, { .phy_offset = 2, .phy_shift = 15, .rf_addr = 0x45, .rf_shift = 0, .mask = 0x01, }, { .phy_offset = 5, .phy_shift = 13, .rf_addr = 0x52, .rf_shift = 4, .mask = 0x07, }, { .phy_offset = 6, .phy_shift = 0, .rf_addr = 0x52, .rf_shift = 7, .mask = 0x01, }, { .phy_offset = 5, .phy_shift = 3, .rf_addr = 0x41, .rf_shift = 5, .mask = 0x07, }, { .phy_offset = 5, .phy_shift = 6, .rf_addr = 0x41, .rf_shift = 0, .mask = 0x0f, }, { .phy_offset = 5, .phy_shift = 10, .rf_addr = 0x42, .rf_shift = 5, .mask = 0x07, }, { .phy_offset = 4, .phy_shift = 15, .rf_addr = 0x42, .rf_shift = 0, .mask = 0x01, }, { .phy_offset = 5, .phy_shift = 0, .rf_addr = 0x42, .rf_shift = 1, .mask = 0x07, }, { .phy_offset = 4, .phy_shift = 11, .rf_addr = 0x43, .rf_shift = 4, .mask = 0x0f, }, { .phy_offset = 4, .phy_shift = 7, .rf_addr = 0x43, .rf_shift = 0, .mask = 0x0f, }, { .phy_offset = 4, .phy_shift = 6, .rf_addr = 0x45, .rf_shift = 1, .mask = 0x01, }, { .phy_offset = 2, .phy_shift = 7, .rf_addr = 0x40, .rf_shift = 4, .mask = 0x0f, }, { .phy_offset = 2, .phy_shift = 11, .rf_addr = 0x40, .rf_shift = 0, .mask = 0x0f, }, }; static void lpphy_sync_stx(struct b43_wldev *dev) { const struct lpphy_stx_table_entry *e; unsigned int i; u16 tmp; for (i = 0; i < ARRAY_SIZE(lpphy_stx_table); i++) { e = &lpphy_stx_table[i]; tmp = b43_radio_read(dev, e->rf_addr); tmp >>= e->rf_shift; tmp <<= e->phy_shift; b43_phy_maskset(dev, B43_PHY_OFDM(0xF2 + e->phy_offset), ~(e->mask << e->phy_shift), tmp); } } static void lpphy_radio_init(struct b43_wldev *dev) { /* The radio is attached through the 4wire bus. */ b43_phy_set(dev, B43_LPPHY_FOURWIRE_CTL, 0x2); udelay(1); b43_phy_mask(dev, B43_LPPHY_FOURWIRE_CTL, 0xFFFD); udelay(1); if (dev->phy.rev < 2) { lpphy_2062_init(dev); } else { lpphy_2063_init(dev); lpphy_sync_stx(dev); b43_phy_write(dev, B43_PHY_OFDM(0xF0), 0x5F80); b43_phy_write(dev, B43_PHY_OFDM(0xF1), 0); if (dev->dev->bus->chip_id == 0x4325) { // TODO SSB PMU recalibration } } } static void lpphy_set_rc_cap(struct b43_wldev *dev) { u8 rc_cap = dev->phy.lp->rc_cap; b43_radio_write(dev, B2062_N_RXBB_CALIB2, max_t(u8, rc_cap-4, 0x80)); b43_radio_write(dev, B2062_N_TX_CTL_A, ((rc_cap & 0x1F) >> 1) | 0x80); b43_radio_write(dev, B2062_S_RXG_CNT16, ((rc_cap & 0x1F) >> 2) | 0x80); } static void lpphy_rev0_1_rc_calib(struct b43_wldev *dev) { //TODO and SPEC FIXME } static void lpphy_rev2plus_rc_calib(struct b43_wldev *dev) { struct ssb_bus *bus = dev->dev->bus; u32 crystal_freq = bus->chipco.pmu.crystalfreq * 1000; u8 tmp = b43_radio_read(dev, B2063_RX_BB_SP8) & 0xFF; int i; b43_radio_write(dev, B2063_RX_BB_SP8, 0x0); b43_radio_write(dev, B2063_RC_CALIB_CTL1, 0x7E); b43_radio_mask(dev, B2063_PLL_SP1, 0xF7); b43_radio_write(dev, B2063_RC_CALIB_CTL1, 0x7C); b43_radio_write(dev, B2063_RC_CALIB_CTL2, 0x15); b43_radio_write(dev, B2063_RC_CALIB_CTL3, 0x70); b43_radio_write(dev, B2063_RC_CALIB_CTL4, 0x52); b43_radio_write(dev, B2063_RC_CALIB_CTL5, 0x1); b43_radio_write(dev, B2063_RC_CALIB_CTL1, 0x7D); for (i = 0; i < 10000; i++) { if (b43_radio_read(dev, B2063_RC_CALIB_CTL6) & 0x2) break; msleep(1); } if (!(b43_radio_read(dev, B2063_RC_CALIB_CTL6) & 0x2)) b43_radio_write(dev, B2063_RX_BB_SP8, tmp); tmp = b43_radio_read(dev, B2063_TX_BB_SP3) & 0xFF; b43_radio_write(dev, B2063_TX_BB_SP3, 0x0); b43_radio_write(dev, B2063_RC_CALIB_CTL1, 0x7E); b43_radio_write(dev, B2063_RC_CALIB_CTL1, 0x7C); b43_radio_write(dev, B2063_RC_CALIB_CTL2, 0x55); b43_radio_write(dev, B2063_RC_CALIB_CTL3, 0x76); if (crystal_freq == 24000000) { b43_radio_write(dev, B2063_RC_CALIB_CTL4, 0xFC); b43_radio_write(dev, B2063_RC_CALIB_CTL5, 0x0); } else { b43_radio_write(dev, B2063_RC_CALIB_CTL4, 0x13); b43_radio_write(dev, B2063_RC_CALIB_CTL5, 0x1); } b43_radio_write(dev, B2063_PA_SP7, 0x7D); for (i = 0; i < 10000; i++) { if (b43_radio_read(dev, B2063_RC_CALIB_CTL6) & 0x2) break; msleep(1); } if (!(b43_radio_read(dev, B2063_RC_CALIB_CTL6) & 0x2)) b43_radio_write(dev, B2063_TX_BB_SP3, tmp); b43_radio_write(dev, B2063_RC_CALIB_CTL1, 0x7E); } static void lpphy_calibrate_rc(struct b43_wldev *dev) { struct b43_phy_lp *lpphy = dev->phy.lp; if (dev->phy.rev >= 2) { lpphy_rev2plus_rc_calib(dev); } else if (!lpphy->rc_cap) { if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ) lpphy_rev0_1_rc_calib(dev); } else { lpphy_set_rc_cap(dev); } } /* Read the TX power control mode from hardware. */ static void lpphy_read_tx_pctl_mode_from_hardware(struct b43_wldev *dev) { struct b43_phy_lp *lpphy = dev->phy.lp; u16 ctl; ctl = b43_phy_read(dev, B43_LPPHY_TX_PWR_CTL_CMD); switch (ctl & B43_LPPHY_TX_PWR_CTL_CMD_MODE) { case B43_LPPHY_TX_PWR_CTL_CMD_MODE_OFF: lpphy->txpctl_mode = B43_LPPHY_TXPCTL_OFF; break; case B43_LPPHY_TX_PWR_CTL_CMD_MODE_SW: lpphy->txpctl_mode = B43_LPPHY_TXPCTL_SW; break; case B43_LPPHY_TX_PWR_CTL_CMD_MODE_HW: lpphy->txpctl_mode = B43_LPPHY_TXPCTL_HW; break; default: lpphy->txpctl_mode = B43_LPPHY_TXPCTL_UNKNOWN; B43_WARN_ON(1); break; } } /* Set the TX power control mode in hardware. */ static void lpphy_write_tx_pctl_mode_to_hardware(struct b43_wldev *dev) { struct b43_phy_lp *lpphy = dev->phy.lp; u16 ctl; switch (lpphy->txpctl_mode) { case B43_LPPHY_TXPCTL_OFF: ctl = B43_LPPHY_TX_PWR_CTL_CMD_MODE_OFF; break; case B43_LPPHY_TXPCTL_HW: ctl = B43_LPPHY_TX_PWR_CTL_CMD_MODE_HW; break; case B43_LPPHY_TXPCTL_SW: ctl = B43_LPPHY_TX_PWR_CTL_CMD_MODE_SW; break; default: ctl = 0; B43_WARN_ON(1); } b43_phy_maskset(dev, B43_LPPHY_TX_PWR_CTL_CMD, (u16)~B43_LPPHY_TX_PWR_CTL_CMD_MODE, ctl); } static void lpphy_set_tx_power_control(struct b43_wldev *dev, enum b43_lpphy_txpctl_mode mode) { struct b43_phy_lp *lpphy = dev->phy.lp; enum b43_lpphy_txpctl_mode oldmode; oldmode = lpphy->txpctl_mode; lpphy_read_tx_pctl_mode_from_hardware(dev); if (lpphy->txpctl_mode == mode) return; lpphy->txpctl_mode = mode; if (oldmode == B43_LPPHY_TXPCTL_HW) { //TODO Update TX Power NPT //TODO Clear all TX Power offsets } else { if (mode == B43_LPPHY_TXPCTL_HW) { //TODO Recalculate target TX power b43_phy_maskset(dev, B43_LPPHY_TX_PWR_CTL_CMD, 0xFF80, lpphy->tssi_idx); b43_phy_maskset(dev, B43_LPPHY_TX_PWR_CTL_NNUM, 0x8FFF, ((u16)lpphy->tssi_npt << 16)); //TODO Set "TSSI Transmit Count" variable to total transmitted frame count //TODO Disable TX gain override lpphy->tx_pwr_idx_over = -1; } } if (dev->phy.rev >= 2) { if (mode == B43_LPPHY_TXPCTL_HW) b43_phy_maskset(dev, B43_PHY_OFDM(0xD0), 0xFD, 0x2); else b43_phy_maskset(dev, B43_PHY_OFDM(0xD0), 0xFD, 0); } lpphy_write_tx_pctl_mode_to_hardware(dev); } static void lpphy_set_tx_power_by_index(struct b43_wldev *dev, u8 index) { struct b43_phy_lp *lpphy = dev->phy.lp; lpphy->tx_pwr_idx_over = index; if (lpphy->txpctl_mode != B43_LPPHY_TXPCTL_OFF) lpphy_set_tx_power_control(dev, B43_LPPHY_TXPCTL_SW); //TODO } static void lpphy_btcoex_override(struct b43_wldev *dev) { b43_write16(dev, B43_MMIO_BTCOEX_CTL, 0x3); b43_write16(dev, B43_MMIO_BTCOEX_TXCTL, 0xFF); } static void lpphy_pr41573_workaround(struct b43_wldev *dev) { struct b43_phy_lp *lpphy = dev->phy.lp; u32 *saved_tab; const unsigned int saved_tab_size = 256; enum b43_lpphy_txpctl_mode txpctl_mode; s8 tx_pwr_idx_over; u16 tssi_npt, tssi_idx; saved_tab = kcalloc(saved_tab_size, sizeof(saved_tab[0]), GFP_KERNEL); if (!saved_tab) { b43err(dev->wl, "PR41573 failed. Out of memory!\n"); return; } lpphy_read_tx_pctl_mode_from_hardware(dev); txpctl_mode = lpphy->txpctl_mode; tx_pwr_idx_over = lpphy->tx_pwr_idx_over; tssi_npt = lpphy->tssi_npt; tssi_idx = lpphy->tssi_idx; if (dev->phy.rev < 2) { b43_lptab_read_bulk(dev, B43_LPTAB32(10, 0x140), saved_tab_size, saved_tab); } else { b43_lptab_read_bulk(dev, B43_LPTAB32(7, 0x140), saved_tab_size, saved_tab); } //TODO kfree(saved_tab); } static void lpphy_calibration(struct b43_wldev *dev) { struct b43_phy_lp *lpphy = dev->phy.lp; enum b43_lpphy_txpctl_mode saved_pctl_mode; b43_mac_suspend(dev); lpphy_btcoex_override(dev); lpphy_read_tx_pctl_mode_from_hardware(dev); saved_pctl_mode = lpphy->txpctl_mode; lpphy_set_tx_power_control(dev, B43_LPPHY_TXPCTL_OFF); //TODO Perform transmit power table I/Q LO calibration if ((dev->phy.rev == 0) && (saved_pctl_mode != B43_LPPHY_TXPCTL_OFF)) lpphy_pr41573_workaround(dev); //TODO If a full calibration has not been performed on this channel yet, perform PAPD TX-power calibration lpphy_set_tx_power_control(dev, saved_pctl_mode); //TODO Perform I/Q calibration with a single control value set b43_mac_enable(dev); } /* Initialize TX power control */ static void lpphy_tx_pctl_init(struct b43_wldev *dev) { if (0/*FIXME HWPCTL capable */) { //TODO } else { /* This device is only software TX power control capable. */ if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ) { //TODO } else { //TODO } //TODO set BB multiplier to 0x0096 } } static int b43_lpphy_op_init(struct b43_wldev *dev) { lpphy_read_band_sprom(dev); //FIXME should this be in prepare_structs? lpphy_baseband_init(dev); lpphy_radio_init(dev); lpphy_calibrate_rc(dev); //TODO set channel lpphy_tx_pctl_init(dev); lpphy_calibration(dev); //TODO ACI init return 0; } static u16 b43_lpphy_op_read(struct b43_wldev *dev, u16 reg) { b43_write16(dev, B43_MMIO_PHY_CONTROL, reg); return b43_read16(dev, B43_MMIO_PHY_DATA); } static void b43_lpphy_op_write(struct b43_wldev *dev, u16 reg, u16 value) { b43_write16(dev, B43_MMIO_PHY_CONTROL, reg); b43_write16(dev, B43_MMIO_PHY_DATA, value); } static u16 b43_lpphy_op_radio_read(struct b43_wldev *dev, u16 reg) { /* Register 1 is a 32-bit register. */ B43_WARN_ON(reg == 1); /* LP-PHY needs a special bit set for read access */ if (dev->phy.rev < 2) { if (reg != 0x4001) reg |= 0x100; } else reg |= 0x200; b43_write16(dev, B43_MMIO_RADIO_CONTROL, reg); return b43_read16(dev, B43_MMIO_RADIO_DATA_LOW); } static void b43_lpphy_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_lpphy_op_software_rfkill(struct b43_wldev *dev, bool blocked) { //TODO } static int b43_lpphy_op_switch_channel(struct b43_wldev *dev, unsigned int new_channel) { //TODO return 0; } static unsigned int b43_lpphy_op_get_default_chan(struct b43_wldev *dev) { if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ) return 1; return 36; } static void b43_lpphy_op_set_rx_antenna(struct b43_wldev *dev, int antenna) { //TODO } static void b43_lpphy_op_adjust_txpower(struct b43_wldev *dev) { //TODO } static enum b43_txpwr_result b43_lpphy_op_recalc_txpower(struct b43_wldev *dev, bool ignore_tssi) { //TODO return B43_TXPWR_RES_DONE; } const struct b43_phy_operations b43_phyops_lp = { .allocate = b43_lpphy_op_allocate, .free = b43_lpphy_op_free, .prepare_structs = b43_lpphy_op_prepare_structs, .init = b43_lpphy_op_init, .phy_read = b43_lpphy_op_read, .phy_write = b43_lpphy_op_write, .radio_read = b43_lpphy_op_radio_read, .radio_write = b43_lpphy_op_radio_write, .software_rfkill = b43_lpphy_op_software_rfkill, .switch_analog = b43_phyop_switch_analog_generic, .switch_channel = b43_lpphy_op_switch_channel, .get_default_chan = b43_lpphy_op_get_default_chan, .set_rx_antenna = b43_lpphy_op_set_rx_antenna, .recalc_txpower = b43_lpphy_op_recalc_txpower, .adjust_txpower = b43_lpphy_op_adjust_txpower, };