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b43: N-PHY: implement MIMO config update

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Signed-off-by: Rafał Miłecki <zajec5@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Rafał Miłecki 2010-01-17 13:03:40 +01:00 committed by John W. Linville
parent e53de67449
commit ad9716e8e8
2 changed files with 16 additions and 1 deletions
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16
drivers/net/wireless/b43/phy_n.c
View file

@ -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) {

1
drivers/net/wireless/b43/phy_n.h
View file

@ -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;