diff options
| author | Rafał Miłecki <zajec5@gmail.com> | 2010-01-17 13:03:40 +0100 |
|---|---|---|
| committer | John W. Linville <linville@tuxdriver.com> | 2010-01-19 16:36:04 -0500 |
| commit | ad9716e8e8bc39664a0d41ec94f9bffbf748b45b (patch) | |
| tree | 792db32d214798502cbfe207a050667bfd676c61 /drivers/net/wireless/b43 | |
| parent | e53de67449bbcaf5551f54e506a4dff62fc6a49c (diff) | |
b43: N-PHY: implement MIMO config update
Signed-off-by: Rafał Miłecki <zajec5@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'drivers/net/wireless/b43')
| -rw-r--r-- | drivers/net/wireless/b43/phy_n.c | 16 | ||||
| -rw-r--r-- | drivers/net/wireless/b43/phy_n.h | 1 |
2 files changed, 16 insertions, 1 deletions
diff --git a/drivers/net/wireless/b43/phy_n.c b/drivers/net/wireless/b43/phy_n.c index fd93b2a6b49..1996843eac1 100644 --- a/drivers/net/wireless/b43/phy_n.c +++ b/drivers/net/wireless/b43/phy_n.c @@ -424,6 +424,20 @@ 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/MIMOConfig */ +static void b43_nphy_update_mimo_config(struct b43_wldev *dev, s32 preamble) +{ + u16 mimocfg = b43_phy_read(dev, B43_NPHY_MIMOCFG); + + mimocfg |= B43_NPHY_MIMOCFG_AUTO; + if (preamble == 1) + mimocfg |= B43_NPHY_MIMOCFG_GFMIX; + else + mimocfg &= ~B43_NPHY_MIMOCFG_GFMIX; + + b43_phy_write(dev, B43_NPHY_MIMOCFG, mimocfg); +} + /* 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) @@ -2180,7 +2194,7 @@ int b43_phy_initn(struct b43_wldev *dev) b43_phy_write(dev, B43_NPHY_PLOAD_CSENSE_EXTLEN, 0x50); b43_phy_write(dev, B43_NPHY_TXRIFS_FRDEL, 0x30); - /* TODO MIMO-Config */ + b43_nphy_update_mimo_config(dev, nphy->preamble_override); /* TODO Update TX/RX chain */ if (phy->rev < 2) { diff --git a/drivers/net/wireless/b43/phy_n.h b/drivers/net/wireless/b43/phy_n.h index 4572866756f..ae00e3f2d61 100644 --- a/drivers/net/wireless/b43/phy_n.h +++ b/drivers/net/wireless/b43/phy_n.h @@ -973,6 +973,7 @@ struct b43_phy_n { bool hang_avoid; bool mute; u16 papd_epsilon_offset[2]; + s32 preamble_override; u8 mphase_cal_phase_id; u16 mphase_txcal_cmdidx; |