diff options
Diffstat (limited to 'drivers/net/wireless/b43/phy_ht.c')
| -rw-r--r-- | drivers/net/wireless/b43/phy_ht.c | 68 |
1 files changed, 47 insertions, 21 deletions
diff --git a/drivers/net/wireless/b43/phy_ht.c b/drivers/net/wireless/b43/phy_ht.c index 9d2a7e545bf6..23a46c667974 100644 --- a/drivers/net/wireless/b43/phy_ht.c +++ b/drivers/net/wireless/b43/phy_ht.c @@ -154,6 +154,31 @@ static void b43_radio_2059_init(struct b43_wldev *dev) } /************************************************** + * RF + **************************************************/ + +static void b43_phy_ht_force_rf_sequence(struct b43_wldev *dev, u16 rf_seq) +{ + u8 i; + + u16 save_seq_mode = b43_phy_read(dev, B43_PHY_HT_RF_SEQ_MODE); + b43_phy_set(dev, B43_PHY_HT_RF_SEQ_MODE, 0x3); + + b43_phy_set(dev, B43_PHY_HT_RF_SEQ_TRIG, rf_seq); + for (i = 0; i < 200; i++) { + if (!(b43_phy_read(dev, B43_PHY_HT_RF_SEQ_STATUS) & rf_seq)) { + i = 0; + break; + } + msleep(1); + } + if (i) + b43err(dev->wl, "Forcing RF sequence timeout\n"); + + b43_phy_write(dev, B43_PHY_HT_RF_SEQ_MODE, save_seq_mode); +} + +/************************************************** * Various PHY ops **************************************************/ @@ -173,6 +198,20 @@ static u16 b43_phy_ht_classifier(struct b43_wldev *dev, u16 mask, u16 val) return tmp; } +static void b43_phy_ht_reset_cca(struct b43_wldev *dev) +{ + u16 bbcfg; + + b43_phy_force_clock(dev, true); + bbcfg = b43_phy_read(dev, B43_PHY_HT_BBCFG); + b43_phy_write(dev, B43_PHY_HT_BBCFG, bbcfg | B43_PHY_HT_BBCFG_RSTCCA); + udelay(1); + b43_phy_write(dev, B43_PHY_HT_BBCFG, bbcfg & ~B43_PHY_HT_BBCFG_RSTCCA); + b43_phy_force_clock(dev, false); + + b43_phy_ht_force_rf_sequence(dev, B43_PHY_HT_RF_SEQ_TRIG_RST2RX); +} + static void b43_phy_ht_zero_extg(struct b43_wldev *dev) { u8 i, j; @@ -209,27 +248,6 @@ static void b43_phy_ht_afe_unk1(struct b43_wldev *dev) } } -static void b43_phy_ht_force_rf_sequence(struct b43_wldev *dev, u16 rf_seq) -{ - u8 i; - - u16 save_seq_mode = b43_phy_read(dev, B43_PHY_HT_RF_SEQ_MODE); - b43_phy_set(dev, B43_PHY_HT_RF_SEQ_MODE, 0x3); - - b43_phy_set(dev, B43_PHY_HT_RF_SEQ_TRIG, rf_seq); - for (i = 0; i < 200; i++) { - if (!(b43_phy_read(dev, B43_PHY_HT_RF_SEQ_STATUS) & rf_seq)) { - i = 0; - break; - } - msleep(1); - } - if (i) - b43err(dev->wl, "Forcing RF sequence timeout\n"); - - b43_phy_write(dev, B43_PHY_HT_RF_SEQ_MODE, save_seq_mode); -} - static void b43_phy_ht_read_clip_detection(struct b43_wldev *dev, u16 *clip_st) { clip_st[0] = b43_phy_read(dev, B43_PHY_HT_C1_CLIP1THRES); @@ -319,6 +337,14 @@ static void b43_phy_ht_spur_avoid(struct b43_wldev *dev, b43_write16(dev, B43_MMIO_TSF_CLK_FRAC_HIGH, 0x8); /* TODO: reset PLL */ + + if (spuravoid) + b43_phy_set(dev, B43_PHY_HT_BBCFG, B43_PHY_HT_BBCFG_RSTRX); + else + b43_phy_mask(dev, B43_PHY_HT_BBCFG, + ~B43_PHY_HT_BBCFG_RSTRX & 0xFFFF); + + b43_phy_ht_reset_cca(dev); } static void b43_phy_ht_channel_setup(struct b43_wldev *dev, |