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b43: N-PHY: implement workaround for TX IQ
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Signed-off-by: Rafał Miłecki <zajec5@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Rafał Miłecki authored and John W. Linville committed Jan 15, 2010
1 parent a67162a commit 0914640
Showing 1 changed file with 16 additions and 0 deletions.
16 changes: 16 additions & 0 deletions drivers/net/wireless/b43/phy_n.c
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Original file line number Diff line number Diff line change
Expand Up @@ -425,6 +425,22 @@ static void b43_nphy_rx_iq_coeffs(struct b43_wldev *dev, bool write,
}
}

/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/TxIqWar */
static void b43_nphy_tx_iq_workaround(struct b43_wldev *dev)
{
u16 array[4];
int i;

b43_phy_write(dev, B43_NPHY_TABLE_ADDR, 0x3C50);
for (i = 0; i < 4; i++)
array[i] = b43_phy_read(dev, B43_NPHY_TABLE_DATALO);

b43_shm_write16(dev, B43_SHM_SHARED, B43_SHM_SH_NPHY_TXIQW0, array[0]);
b43_shm_write16(dev, B43_SHM_SHARED, B43_SHM_SH_NPHY_TXIQW1, array[1]);
b43_shm_write16(dev, B43_SHM_SHARED, B43_SHM_SH_NPHY_TXIQW2, array[2]);
b43_shm_write16(dev, B43_SHM_SHARED, B43_SHM_SH_NPHY_TXIQW3, array[3]);
}

/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/clip-detection */
static void b43_nphy_write_clip_detection(struct b43_wldev *dev, u16 *clip_st)
{
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