diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/net/wireless/b43/phy_n.c | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/drivers/net/wireless/b43/phy_n.c b/drivers/net/wireless/b43/phy_n.c index 68c1582db71..776d0082ef1 100644 --- a/drivers/net/wireless/b43/phy_n.c +++ b/drivers/net/wireless/b43/phy_n.c @@ -408,6 +408,45 @@ static void b43_nphy_reset_cca(struct b43_wldev *dev) /* TODO: N PHY Force RF Seq with argument 2 */ } +/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/RxIqEst */ +static void b43_nphy_rx_iq_est(struct b43_wldev *dev, struct nphy_iq_est *est, + u16 samps, u8 time, bool wait) +{ + int i; + u16 tmp; + + b43_phy_write(dev, B43_NPHY_IQEST_SAMCNT, samps); + b43_phy_maskset(dev, B43_NPHY_IQEST_WT, ~B43_NPHY_IQEST_WT_VAL, time); + if (wait) + b43_phy_set(dev, B43_NPHY_IQEST_CMD, B43_NPHY_IQEST_CMD_MODE); + else + b43_phy_mask(dev, B43_NPHY_IQEST_CMD, ~B43_NPHY_IQEST_CMD_MODE); + + b43_phy_set(dev, B43_NPHY_IQEST_CMD, B43_NPHY_IQEST_CMD_START); + + for (i = 1000; i; i--) { + tmp = b43_phy_read(dev, B43_NPHY_IQEST_CMD); + if (!(tmp & B43_NPHY_IQEST_CMD_START)) { + est->i0_pwr = (b43_phy_read(dev, B43_NPHY_IQEST_IPACC_HI0) << 16) | + b43_phy_read(dev, B43_NPHY_IQEST_IPACC_LO0); + est->q0_pwr = (b43_phy_read(dev, B43_NPHY_IQEST_QPACC_HI0) << 16) | + b43_phy_read(dev, B43_NPHY_IQEST_QPACC_LO0); + est->iq0_prod = (b43_phy_read(dev, B43_NPHY_IQEST_IQACC_HI0) << 16) | + b43_phy_read(dev, B43_NPHY_IQEST_IQACC_LO0); + + est->i1_pwr = (b43_phy_read(dev, B43_NPHY_IQEST_IPACC_HI1) << 16) | + b43_phy_read(dev, B43_NPHY_IQEST_IPACC_LO1); + est->q1_pwr = (b43_phy_read(dev, B43_NPHY_IQEST_QPACC_HI1) << 16) | + b43_phy_read(dev, B43_NPHY_IQEST_QPACC_LO1); + est->iq1_prod = (b43_phy_read(dev, B43_NPHY_IQEST_IQACC_HI1) << 16) | + b43_phy_read(dev, B43_NPHY_IQEST_IQACC_LO1); + return; + } + udelay(10); + } + memset(est, 0, sizeof(*est)); +} + /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/RxIqCoeffs */ static void b43_nphy_rx_iq_coeffs(struct b43_wldev *dev, bool write, struct b43_phy_n_iq_comp *pcomp) |