From ed03033e3033c98e83d45bf4cdca1efdfd86e98e Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= Date: Sun, 22 Jun 2014 23:18:21 +0200 Subject: b43: N-PHY: update code for sending sample tone MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Signed-off-by: Rafał Miłecki Signed-off-by: John W. Linville --- drivers/net/wireless/b43/phy_n.c | 36 +++++++++++++++++------------------- 1 file changed, 17 insertions(+), 19 deletions(-) (limited to 'drivers/net/wireless/b43/phy_n.c') diff --git a/drivers/net/wireless/b43/phy_n.c b/drivers/net/wireless/b43/phy_n.c index 6398c7e..d9409b4 100644 --- a/drivers/net/wireless/b43/phy_n.c +++ b/drivers/net/wireless/b43/phy_n.c @@ -1248,7 +1248,8 @@ static u16 b43_nphy_gen_load_samples(struct b43_wldev *dev, u32 freq, u16 max, /* 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) + u16 wait, bool iqmode, bool dac_test, + bool modify_bbmult) { struct b43_phy_n *nphy = dev->phy.n; int i; @@ -1262,12 +1263,10 @@ static void b43_nphy_run_samples(struct b43_wldev *dev, u16 samps, u16 loops, nphy->bb_mult_save = (tmp & 0xFFFF) | 0x80000000; } - /* TODO: add modify_bbmult argument */ - if (!b43_is_40mhz(dev)) - tmp = 0x6464; - else - tmp = 0x4747; - b43_ntab_write(dev, B43_NTAB16(15, 87), tmp); + if (modify_bbmult) { + tmp = !b43_is_40mhz(dev) ? 0x6464 : 0x4747; + b43_ntab_write(dev, B43_NTAB16(15, 87), tmp); + } b43_phy_write(dev, B43_NPHY_SAMP_DEPCNT, (samps - 1)); @@ -1285,10 +1284,8 @@ static void b43_nphy_run_samples(struct b43_wldev *dev, u16 samps, u16 loops, 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); + tmp = dac_test ? 5 : 1; + b43_phy_write(dev, B43_NPHY_SAMP_CMD, tmp); } for (i = 0; i < 100; i++) { if (!(b43_phy_read(dev, B43_NPHY_RFSEQST) & 1)) { @@ -2947,12 +2944,13 @@ static void b43_nphy_workarounds(struct b43_wldev *dev) * 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) + bool iqmode, bool dac_test, bool modify_bbmult) { 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); + b43_nphy_run_samples(dev, samp, 0xFFFF, 0, iqmode, dac_test, + modify_bbmult); return 0; } @@ -3390,7 +3388,7 @@ static void b43_nphy_tx_power_ctl_idle_tssi(struct b43_wldev *dev) b43_nphy_rf_ctl_override(dev, 0x2000, 0, 3, false); b43_nphy_stop_playback(dev); - b43_nphy_tx_tone(dev, 0xFA0, 0, false, false); + b43_nphy_tx_tone(dev, 4000, 0, false, false, false); udelay(20); tmp = b43_nphy_poll_rssi(dev, N_RSSI_TSSI_2G, rssi, 1); b43_nphy_stop_playback(dev); @@ -4648,9 +4646,9 @@ static int b43_nphy_cal_tx_iq_lo(struct b43_wldev *dev, if (nphy->mphase_cal_phase_id > 2) b43_nphy_run_samples(dev, (b43_is_40mhz(dev) ? 40 : 20) * 8, - 0xFFFF, 0, true, false); + 0xFFFF, 0, true, false, false); else - error = b43_nphy_tx_tone(dev, freq, 250, true, false); + error = b43_nphy_tx_tone(dev, freq, 250, true, false, false); if (error == 0) { if (nphy->mphase_cal_phase_id > 2) { @@ -4973,11 +4971,11 @@ static int b43_nphy_rev2_cal_rx_iq(struct b43_wldev *dev, if (playtone) { ret = b43_nphy_tx_tone(dev, 4000, (nphy->rxcalparams & 0xFFFF), - false, false); + false, false, true); playtone = false; } else { - b43_nphy_run_samples(dev, 160, 0xFFFF, 0, - false, false); + b43_nphy_run_samples(dev, 160, 0xFFFF, 0, false, + false, true); } if (ret == 0) { -- cgit v1.1