From 6c1bb9276c492c803611e63fa6fab8276c02ee70 Mon Sep 17 00:00:00 2001 From: Michael Buesch Date: Sat, 31 Jan 2009 16:52:29 +0100 Subject: b43: Add LP-PHY baseband init for >=rev2 This adds code for the baseband init of LP-PHY >=2. Signed-off-by: Michael Buesch Signed-off-by: John W. Linville --- drivers/net/wireless/b43/Makefile | 1 + drivers/net/wireless/b43/phy_lp.c | 78 ++++++++++++++++++++++++++++- drivers/net/wireless/b43/phy_lp.h | 42 +++++++++++++++- drivers/net/wireless/b43/tables_lpphy.c | 89 +++++++++++++++++++++++++++++++++ drivers/net/wireless/b43/tables_lpphy.h | 21 ++++++++ 5 files changed, 228 insertions(+), 3 deletions(-) create mode 100644 drivers/net/wireless/b43/tables_lpphy.c create mode 100644 drivers/net/wireless/b43/tables_lpphy.h (limited to 'drivers/net/wireless/b43') diff --git a/drivers/net/wireless/b43/Makefile b/drivers/net/wireless/b43/Makefile index 14a02b3aea5..281ef831035 100644 --- a/drivers/net/wireless/b43/Makefile +++ b/drivers/net/wireless/b43/Makefile @@ -6,6 +6,7 @@ b43-y += phy_g.o b43-y += phy_a.o b43-$(CONFIG_B43_NPHY) += phy_n.o b43-$(CONFIG_B43_PHY_LP) += phy_lp.o +b43-$(CONFIG_B43_PHY_LP) += tables_lpphy.o b43-y += sysfs.o b43-y += xmit.o b43-y += lo.o diff --git a/drivers/net/wireless/b43/phy_lp.c b/drivers/net/wireless/b43/phy_lp.c index ec83b8cd2f2..3c7be830858 100644 --- a/drivers/net/wireless/b43/phy_lp.c +++ b/drivers/net/wireless/b43/phy_lp.c @@ -3,7 +3,7 @@ Broadcom B43 wireless driver IEEE 802.11g LP-PHY driver - Copyright (c) 2008 Michael Buesch + 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 @@ -25,6 +25,7 @@ #include "b43.h" #include "phy_lp.h" #include "phy_common.h" +#include "tables_lpphy.h" static int b43_lpphy_op_allocate(struct b43_wldev *dev) @@ -69,7 +70,80 @@ static void lpphy_baseband_rev0_1_init(struct b43_wldev *dev) static void lpphy_baseband_rev2plus_init(struct b43_wldev *dev) { - //TODO + 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, 0x78); + 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); + b43_phy_maskset(dev, B43_LPPHY_CCKLMSSTEPSIZE, 0xFF01, 0x10); + b43_phy_maskset(dev, B43_PHY_OFDM(0xDF), 0xFF00, 0xF4); + b43_phy_maskset(dev, B43_PHY_OFDM(0xDF), 0x00FF, 0xF100);//FIXME specs are different + 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); + 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 (dev->phy.rev < 2) { + //FIXME this will never execute. + + //FIXME 32bit? + b43_lptab_write(dev, B43_LPTAB32(0x11, 0x14), 0); + b43_lptab_write(dev, B43_LPTAB32(0x08, 0x12), 0x40); + } else { + //FIXME 32bit? + b43_lptab_write(dev, B43_LPTAB32(0x08, 0x14), 0); + b43_lptab_write(dev, B43_LPTAB32(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); } static void lpphy_baseband_init(struct b43_wldev *dev) diff --git a/drivers/net/wireless/b43/phy_lp.h b/drivers/net/wireless/b43/phy_lp.h index c3f92f17259..1e30a55d2f2 100644 --- a/drivers/net/wireless/b43/phy_lp.h +++ b/drivers/net/wireless/b43/phy_lp.h @@ -803,7 +803,47 @@ struct b43_phy_lp { - //TODO + /* Transmit isolation medium band */ + u8 tx_isolation_med_band; /* FIXME initial value? */ + /* Transmit isolation low band */ + u8 tx_isolation_low_band; /* FIXME initial value? */ + /* Transmit isolation high band */ + u8 tx_isolation_hi_band; /* FIXME initial value? */ + + /* Receive power offset */ + u8 rx_pwr_offset; /* FIXME initial value? */ + + /* TSSI transmit count */ + u16 tssi_tx_count; /* FIXME initial value? */ + /* TSSI index */ + u16 tssi_idx; /* FIXME initial value? */ + /* TSSI npt */ + u16 tssi_npt; /* FIXME initial value? */ + + /* Target TX frequency */ + u16 tgt_tx_freq; /* FIXME initial value? */ + + /* Transmit power index override */ + s8 tx_pwr_idx_over; /* FIXME initial value? */ + + /* RSSI vf */ + u8 rssi_vf; /* FIXME initial value? */ + /* RSSI vc */ + u8 rssi_vc; /* FIXME initial value? */ + /* RSSI gs */ + u8 rssi_gs; /* FIXME initial value? */ + + /* RC cap */ + u8 rc_cap; /* FIXME initial value? */ + /* BX arch */ + u8 bx_arch; /* FIXME initial value? */ + + /* Full calibration channel */ + u8 full_calib_chan; /* FIXME initial value? */ + + /* Transmit iqlocal best coeffs */ + bool tx_iqloc_best_coeffs_valid; + u8 tx_iqloc_best_coeffs[11]; }; diff --git a/drivers/net/wireless/b43/tables_lpphy.c b/drivers/net/wireless/b43/tables_lpphy.c new file mode 100644 index 00000000000..c9cff8b6827 --- /dev/null +++ b/drivers/net/wireless/b43/tables_lpphy.c @@ -0,0 +1,89 @@ +/* + + Broadcom B43 wireless driver + IEEE 802.11g LP-PHY and radio device data tables + + Copyright (c) 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 "tables_lpphy.h" +#include "phy_common.h" +#include "phy_lp.h" + + +u32 b43_lptab_read(struct b43_wldev *dev, u32 offset) +{ + u32 type, value; + + type = offset & B43_LPTAB_TYPEMASK; + offset &= ~B43_LPTAB_TYPEMASK; + B43_WARN_ON(offset > 0xFFFF); + + switch (type) { + case B43_LPTAB_8BIT: + b43_phy_write(dev, B43_LPPHY_TABLE_ADDR, offset); + value = b43_phy_read(dev, B43_LPPHY_TABLEDATALO) & 0xFF; + break; + case B43_LPTAB_16BIT: + b43_phy_write(dev, B43_LPPHY_TABLE_ADDR, offset); + value = b43_phy_read(dev, B43_LPPHY_TABLEDATALO); + break; + case B43_LPTAB_32BIT: + b43_phy_write(dev, B43_LPPHY_TABLE_ADDR, offset); + value = b43_phy_read(dev, B43_LPPHY_TABLEDATAHI); + value <<= 16; + value |= b43_phy_read(dev, B43_LPPHY_TABLEDATALO); + break; + default: + B43_WARN_ON(1); + value = 0; + } + + return value; +} + +void b43_lptab_write(struct b43_wldev *dev, u32 offset, u32 value) +{ + u32 type; + + type = offset & B43_LPTAB_TYPEMASK; + offset &= ~B43_LPTAB_TYPEMASK; + B43_WARN_ON(offset > 0xFFFF); + + switch (type) { + case B43_LPTAB_8BIT: + B43_WARN_ON(value & ~0xFF); + b43_phy_write(dev, B43_LPPHY_TABLE_ADDR, offset); + b43_phy_write(dev, B43_LPPHY_TABLEDATALO, value); + break; + case B43_LPTAB_16BIT: + B43_WARN_ON(value & ~0xFFFF); + b43_phy_write(dev, B43_LPPHY_TABLE_ADDR, offset); + b43_phy_write(dev, B43_LPPHY_TABLEDATALO, value); + break; + case B43_LPTAB_32BIT: + b43_phy_write(dev, B43_LPPHY_TABLE_ADDR, offset); + b43_phy_write(dev, B43_LPPHY_TABLEDATAHI, value >> 16); + b43_phy_write(dev, B43_LPPHY_TABLEDATALO, value); + break; + default: + B43_WARN_ON(1); + } +} diff --git a/drivers/net/wireless/b43/tables_lpphy.h b/drivers/net/wireless/b43/tables_lpphy.h new file mode 100644 index 00000000000..d32e7450680 --- /dev/null +++ b/drivers/net/wireless/b43/tables_lpphy.h @@ -0,0 +1,21 @@ +#ifndef B43_TABLES_LPPHY_H_ +#define B43_TABLES_LPPHY_H_ + + +#define B43_LPTAB_TYPEMASK 0xF0000000 +#define B43_LPTAB_8BIT 0x10000000 +#define B43_LPTAB_16BIT 0x20000000 +#define B43_LPTAB_32BIT 0x30000000 +#define B43_LPTAB8(table, offset) (((table) << 10) | (offset) | B43_LPTAB_8BIT) +#define B43_LPTAB16(table, offset) (((table) << 10) | (offset) | B43_LPTAB_16BIT) +#define B43_LPTAB32(table, offset) (((table) << 10) | (offset) | B43_LPTAB_32BIT) + +/* Table definitions */ +#define B43_LPTAB_TXPWR_R2PLUS B43_LPTAB32(0x07, 0) /* TX power lookup table (rev >= 2) */ +#define B43_LPTAB_TXPWR_R0_1 B43_LPTAB32(0xA0, 0) /* TX power lookup table (rev < 2) */ + +u32 b43_lptab_read(struct b43_wldev *dev, u32 offset); +void b43_lptab_write(struct b43_wldev *dev, u32 offset, u32 value); + + +#endif /* B43_TABLES_LPPHY_H_ */ -- cgit v1.2.3