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b43: N-PHY: update TX calibration ladder 

Signed-off-by: Rafał Miłecki <zajec5@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
hifive-unleashed-5.1
Rafał Miłecki 2010-01-15 16:06:35 +01:00 committed by John W. Linville
parent c4a92003b0
commit de7ed0c624
1 changed files with 25 additions and 0 deletions
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25
drivers/net/wireless/b43/phy_n.c
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@ -1216,6 +1216,31 @@ static void b43_nphy_tx_cal_radio_setup(struct b43_wldev *dev)
}
}
/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/UpdateTxCalLadder */
static void b43_nphy_update_tx_cal_ladder(struct b43_wldev *dev, u16 core)
{
struct b43_phy_n *nphy = dev->phy.n;
int i;
u16 scale, entry;
u16 tmp = nphy->txcal_bbmult;
if (core == 0)
tmp >>= 8;
tmp &= 0xff;
for (i = 0; i < 18; i++) {
scale = (ladder_lo[i].percent * tmp) / 100;
entry = ((scale & 0xFF) << 8) | ladder_lo[i].g_env;
/* TODO: Write an N PHY Table with ID 15, length 1,
offset i, width 16, and data entry */
scale = (ladder_iq[i].percent * tmp) / 100;
entry = ((scale & 0xFF) << 8) | ladder_iq[i].g_env;
/* TODO: Write an N PHY Table with ID 15, length 1,
offset i + 32, width 16, and data entry */
}
}
/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/GetTxGain */
static struct nphy_txgains b43_nphy_get_tx_gains(struct b43_wldev *dev)
{