From 96909e97716de1d86e6e24d6aabce09980372771 Mon Sep 17 00:00:00 2001 From: =?utf8?q?G=C3=A1bor=20Stefanik?= Date: Sun, 16 Aug 2009 01:15:49 +0200 Subject: [PATCH] b43: LP-PHY: Update baseband init for recent spec changes MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 Content-Transfer-Encoding: 8bit The spec had some nasty typos, and a large part of the rev0/1 BB init procedure was also missing. Fix these. Also make the init-time channel switch debuggable. (The change from -EINVAL to -EIO is simply to make it possible to distinguish the PLL charge pump error from a channel-not-found error.) Signed-off-by: Gábor Stefanik Signed-off-by: John W. Linville --- drivers/net/wireless/b43/phy_lp.c | 73 ++++++++++++++++++++++++++++--- 1 file changed, 68 insertions(+), 5 deletions(-) diff --git a/drivers/net/wireless/b43/phy_lp.c b/drivers/net/wireless/b43/phy_lp.c index 038a59d63a42..85af82a7f949 100644 --- a/drivers/net/wireless/b43/phy_lp.c +++ b/drivers/net/wireless/b43/phy_lp.c @@ -204,8 +204,62 @@ static void lpphy_table_init(struct b43_wldev *dev) static void lpphy_baseband_rev0_1_init(struct b43_wldev *dev) { struct ssb_bus *bus = dev->dev->bus; + struct b43_phy_lp *lpphy = dev->phy.lp; u16 tmp, tmp2; + b43_phy_mask(dev, B43_LPPHY_AFE_DAC_CTL, 0xF7FF); + b43_phy_write(dev, B43_LPPHY_AFE_CTL, 0); + b43_phy_write(dev, B43_LPPHY_AFE_CTL_OVR, 0); + b43_phy_write(dev, B43_LPPHY_RF_OVERRIDE_0, 0); + b43_phy_write(dev, B43_LPPHY_RF_OVERRIDE_2, 0); + b43_phy_set(dev, B43_LPPHY_AFE_DAC_CTL, 0x0004); + b43_phy_maskset(dev, B43_LPPHY_OFDMSYNCTHRESH0, 0xFF00, 0x0078); + b43_phy_maskset(dev, B43_LPPHY_CLIPCTRTHRESH, 0x83FF, 0x5800); + b43_phy_write(dev, B43_LPPHY_ADC_COMPENSATION_CTL, 0x0016); + b43_phy_maskset(dev, B43_LPPHY_AFE_ADC_CTL_0, 0xFFF8, 0x0004); + b43_phy_maskset(dev, B43_LPPHY_VERYLOWGAINDB, 0x00FF, 0x5400); + b43_phy_maskset(dev, B43_LPPHY_HIGAINDB, 0x00FF, 0x2400); + b43_phy_maskset(dev, B43_LPPHY_LOWGAINDB, 0x00FF, 0x2100); + b43_phy_maskset(dev, B43_LPPHY_VERYLOWGAINDB, 0xFF00, 0x0006); + b43_phy_mask(dev, B43_LPPHY_RX_RADIO_CTL, 0xFFFE); + b43_phy_maskset(dev, B43_LPPHY_CLIPCTRTHRESH, 0xFFE0, 0x0005); + b43_phy_maskset(dev, B43_LPPHY_CLIPCTRTHRESH, 0xFC10, 0x0180); + b43_phy_maskset(dev, B43_LPPHY_CLIPCTRTHRESH, 0x83FF, 0x3800); + b43_phy_maskset(dev, B43_LPPHY_GAINDIRECTMISMATCH, 0xFFF0, 0x0005); + b43_phy_maskset(dev, B43_LPPHY_GAIN_MISMATCH_LIMIT, 0xFFC0, 0x001A); + b43_phy_maskset(dev, B43_LPPHY_CRS_ED_THRESH, 0xFF00, 0x00B3); + b43_phy_maskset(dev, B43_LPPHY_CRS_ED_THRESH, 0x00FF, 0xAD00); + b43_phy_maskset(dev, B43_LPPHY_INPUT_PWRDB, + 0xFF00, lpphy->rx_pwr_offset); + if ((bus->sprom.boardflags_lo & B43_BFL_FEM) && + ((b43_current_band(dev->wl) == IEEE80211_BAND_5GHZ) || + (bus->sprom.boardflags_hi & B43_BFH_PAREF))) { + /* TODO: + * Set the LDO voltage to 0x0028 - FIXME: What is this? + * Call sb_pmu_set_ldo_voltage with 4 and the LDO voltage + * as arguments + * Call sb_pmu_paref_ldo_enable with argument TRUE + */ + if (dev->phy.rev == 0) { + b43_phy_maskset(dev, B43_LPPHY_LP_RF_SIGNAL_LUT, + 0xFFCF, 0x0010); + } + b43_lptab_write(dev, B43_LPTAB16(11, 7), 60); + } else { + //TODO: Call ssb_pmu_paref_ldo_enable with argument FALSE + b43_phy_maskset(dev, B43_LPPHY_LP_RF_SIGNAL_LUT, + 0xFFCF, 0x0020); + b43_lptab_write(dev, B43_LPTAB16(11, 7), 100); + } + tmp = lpphy->rssi_vf | lpphy->rssi_vc << 4 | 0xA000; + b43_phy_write(dev, B43_LPPHY_AFE_RSSI_CTL_0, tmp); + if (bus->sprom.boardflags_hi & B43_BFH_RSSIINV) + b43_phy_maskset(dev, B43_LPPHY_AFE_RSSI_CTL_1, 0xF000, 0x0AAA); + else + b43_phy_maskset(dev, B43_LPPHY_AFE_RSSI_CTL_1, 0xF000, 0x02AA); + b43_lptab_write(dev, B43_LPTAB16(11, 1), 24); + b43_phy_maskset(dev, B43_LPPHY_RX_RADIO_CTL, + 0xFFF9, (lpphy->bx_arch << 1)); if (dev->phy.rev == 1 && (bus->sprom.boardflags_hi & B43_BFH_FEM_BT)) { b43_phy_maskset(dev, B43_LPPHY_TR_LOOKUP_1, 0xFFC0, 0x000A); @@ -255,7 +309,7 @@ static void lpphy_baseband_rev0_1_init(struct b43_wldev *dev) 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) { + if (dev->phy.rev == 1 && (bus->sprom.boardflags_hi & B43_BFH_PAREF)) { 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); @@ -267,6 +321,7 @@ static void lpphy_baseband_rev0_1_init(struct b43_wldev *dev) 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); + //FIXME the Broadcom driver caches & delays this HF write! b43_hf_write(dev, b43_hf_read(dev) | B43_HF_PR45960W); } if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ) { @@ -384,7 +439,7 @@ static void lpphy_baseband_rev2plus_init(struct b43_wldev *dev) 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_CLIPCTRTHRESH, 0xFC1F, 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)) { @@ -405,7 +460,7 @@ static void lpphy_baseband_rev2plus_init(struct b43_wldev *dev) 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)) { + if ((bus->chip_id == 0x4325) && (bus->chip_rev == 0)) { b43_lptab_write(dev, B43_LPTAB16(0x08, 0x14), 0); b43_lptab_write(dev, B43_LPTAB16(0x08, 0x12), 0x40); } @@ -416,6 +471,7 @@ static void lpphy_baseband_rev2plus_init(struct b43_wldev *dev) 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); + b43_phy_mask(dev, B43_LPPHY_IDLEAFTERPKTRXTO, 0x00FF); } else /* 5GHz */ b43_phy_mask(dev, B43_LPPHY_CRSGAIN_CTL, ~0x40); @@ -1883,7 +1939,7 @@ static int lpphy_b2062_tune(struct b43_wldev *dev, lpphy_b2062_reset_pll_bias(dev); lpphy_b2062_vco_calib(dev); if (b43_radio_read(dev, B2062_S_RFPLL_CTL3) & 0x10) - err = -EINVAL; + err = -EIO; } b43_radio_mask(dev, B2062_S_RFPLL_CTL14, ~0x04); @@ -2068,11 +2124,18 @@ static int b43_lpphy_op_switch_channel(struct b43_wldev *dev, static int b43_lpphy_op_init(struct b43_wldev *dev) { + int err; + lpphy_read_band_sprom(dev); //FIXME should this be in prepare_structs? lpphy_baseband_init(dev); lpphy_radio_init(dev); lpphy_calibrate_rc(dev); - b43_lpphy_op_switch_channel(dev, b43_lpphy_op_get_default_chan(dev)); + err = b43_lpphy_op_switch_channel(dev, + b43_lpphy_op_get_default_chan(dev)); + if (err) { + b43dbg(dev->wl, "Switch to init channel failed, error = %d.\n", + err); + } lpphy_tx_pctl_init(dev); lpphy_calibration(dev); //TODO ACI init -- 2.39.2