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b43: N-PHY: add RSSI calibration restore 

Signed-off-by: Rafał Miłecki <zajec5@gmail.com>`
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Rafał Miłecki 2010-01-15 15:06:47 +01:00 committed by John W. Linville
parent e50cbcf674
commit 42e1547e51
1 changed files with 44 additions and 1 deletions
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45
drivers/net/wireless/b43/phy_n.c
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@ -896,6 +896,49 @@ static void b43_nphy_rssi_cal(struct b43_wldev *dev)
}
}
/*
* Restore RSSI Calibration
* http://bcm-v4.sipsolutions.net/802.11/PHY/N/RestoreRssiCal
*/
static void b43_nphy_restore_rssi_cal(struct b43_wldev *dev)
{
struct b43_phy_n *nphy = dev->phy.n;
u16 *rssical_radio_regs = NULL;
u16 *rssical_phy_regs = NULL;
if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ) {
if (!nphy->rssical_chanspec_2G)
return;
rssical_radio_regs = nphy->rssical_cache.rssical_radio_regs_2G;
rssical_phy_regs = nphy->rssical_cache.rssical_phy_regs_2G;
} else {
if (!nphy->rssical_chanspec_5G)
return;
rssical_radio_regs = nphy->rssical_cache.rssical_radio_regs_5G;
rssical_phy_regs = nphy->rssical_cache.rssical_phy_regs_5G;
}
/* TODO use some definitions */
b43_radio_maskset(dev, 0x602B, 0xE3, rssical_radio_regs[0]);
b43_radio_maskset(dev, 0x702B, 0xE3, rssical_radio_regs[1]);
b43_phy_write(dev, B43_NPHY_RSSIMC_0I_RSSI_Z, rssical_phy_regs[0]);
b43_phy_write(dev, B43_NPHY_RSSIMC_0Q_RSSI_Z, rssical_phy_regs[1]);
b43_phy_write(dev, B43_NPHY_RSSIMC_1I_RSSI_Z, rssical_phy_regs[2]);
b43_phy_write(dev, B43_NPHY_RSSIMC_1Q_RSSI_Z, rssical_phy_regs[3]);
b43_phy_write(dev, B43_NPHY_RSSIMC_0I_RSSI_X, rssical_phy_regs[4]);
b43_phy_write(dev, B43_NPHY_RSSIMC_0Q_RSSI_X, rssical_phy_regs[5]);
b43_phy_write(dev, B43_NPHY_RSSIMC_1I_RSSI_X, rssical_phy_regs[6]);
b43_phy_write(dev, B43_NPHY_RSSIMC_1Q_RSSI_X, rssical_phy_regs[7]);
b43_phy_write(dev, B43_NPHY_RSSIMC_0I_RSSI_Y, rssical_phy_regs[8]);
b43_phy_write(dev, B43_NPHY_RSSIMC_0Q_RSSI_Y, rssical_phy_regs[9]);
b43_phy_write(dev, B43_NPHY_RSSIMC_1I_RSSI_Y, rssical_phy_regs[10]);
b43_phy_write(dev, B43_NPHY_RSSIMC_1Q_RSSI_Y, rssical_phy_regs[11]);
}
/*
* Init N-PHY
* http://bcm-v4.sipsolutions.net/802.11/PHY/Init/N
@ -1034,7 +1077,7 @@ int b43_phy_initn(struct b43_wldev *dev)
if (do_rssi_cal)
b43_nphy_rssi_cal(dev);
else
;/* b43_nphy_restore_rssi_cal(dev); */
b43_nphy_restore_rssi_cal(dev);
} else {
b43_nphy_rssi_cal(dev);
}