From 9501fefec6aa9a3319bb61edb99851ba30653f30 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= Date: Sat, 30 Jan 2010 20:18:07 +0100 Subject: [PATCH] b43: N-PHY: implement setting RF sequence 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 | 35 ++++++++++++++++++++++++++++---- 1 file changed, 31 insertions(+), 4 deletions(-) diff --git a/drivers/net/wireless/b43/phy_n.c b/drivers/net/wireless/b43/phy_n.c index 78e0cf6c78ca..6392da25efed 100644 --- a/drivers/net/wireless/b43/phy_n.c +++ b/drivers/net/wireless/b43/phy_n.c @@ -64,6 +64,8 @@ enum b43_nphy_rf_sequence { B43_RFSEQ_UPDATE_GAINU, }; +static void b43_nphy_set_rf_sequence(struct b43_wldev *dev, u8 cmd, + u8 *events, u8 *delays, u8 length); static void b43_nphy_force_rf_sequence(struct b43_wldev *dev, enum b43_nphy_rf_sequence seq); @@ -827,8 +829,8 @@ static void b43_nphy_gain_crtl_workarounds(struct b43_wldev *dev) B43_NPHY_TABLE_DATALO, 3 * j); } - /* TODO: b43_nphy_set_rf_sequence(dev, 5, - rfseq_events, rfseq_delays, 3);*/ + b43_nphy_set_rf_sequence(dev, 5, + rfseq_events, rfseq_delays, 3); b43_phy_maskset(dev, B43_NPHY_OVER_DGAIN1, (u16)~B43_NPHY_OVER_DGAIN_CCKDGECV, 0x5A << B43_NPHY_OVER_DGAIN_CCKDGECV_SHIFT); @@ -911,8 +913,8 @@ static void b43_nphy_workarounds(struct b43_wldev *dev) delays1[0] = 0x1; delays1[5] = 0x14; } - /*TODO:b43_nphy_set_rf_sequence(dev, 0, events1, delays1, 7);*/ - /*TODO:b43_nphy_set_rf_sequence(dev, 1, events2, delays2, 7);*/ + b43_nphy_set_rf_sequence(dev, 0, events1, delays1, 7); + b43_nphy_set_rf_sequence(dev, 1, events2, delays2, 7); b43_nphy_gain_crtl_workarounds(dev); @@ -1131,6 +1133,31 @@ static void b43_nphy_tx_pwr_ctrl_coef_setup(struct b43_wldev *dev) b43_nphy_stay_in_carrier_search(dev, false); } +/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/SetRfSeq */ +static void b43_nphy_set_rf_sequence(struct b43_wldev *dev, u8 cmd, + u8 *events, u8 *delays, u8 length) +{ + struct b43_phy_n *nphy = dev->phy.n; + u8 i; + u8 end = (dev->phy.rev >= 3) ? 0x1F : 0x0F; + u16 offset1 = cmd << 4; + u16 offset2 = offset1 + 0x80; + + if (nphy->hang_avoid) + b43_nphy_stay_in_carrier_search(dev, true); + + b43_ntab_write_bulk(dev, B43_NTAB8(7, offset1), length, events); + b43_ntab_write_bulk(dev, B43_NTAB8(7, offset2), length, delays); + + for (i = length; i < 16; i++) { + b43_ntab_write(dev, B43_NTAB8(7, offset1 + i), end); + b43_ntab_write(dev, B43_NTAB8(7, offset2 + i), 1); + } + + if (nphy->hang_avoid) + b43_nphy_stay_in_carrier_search(dev, false); +} + /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/ForceRFSeq */ static void b43_nphy_force_rf_sequence(struct b43_wldev *dev, enum b43_nphy_rf_sequence seq)