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b43: N-PHY: add helper for setting digital filters 

Signed-off-by: Rafał Miłecki <zajec5@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Rafał Miłecki 2014-07-19 12:52:41 +02:00 committed by John W. Linville
parent 81df6cafe2
commit 5b5ee4504e
1 changed files with 22 additions and 17 deletions
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39
drivers/net/wireless/b43/phy_n.c
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@ -4809,41 +4809,46 @@ static void b43_nphy_update_tx_cal_ladder(struct b43_wldev *dev, u16 core)
}
}
static void b43_nphy_pa_set_tx_dig_filter(struct b43_wldev *dev, u16 offset,
const s16 *filter)
{
int i;
offset = B43_PHY_N(offset);
for (i = 0; i < 15; i++, offset++)
b43_phy_write(dev, offset, filter[i]);
}
/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/ExtPaSetTxDigiFilts */
static void b43_nphy_ext_pa_set_tx_dig_filters(struct b43_wldev *dev)
{
int i;
for (i = 0; i < 15; i++)
b43_phy_write(dev, B43_PHY_N(0x2C5 + i),
tbl_tx_filter_coef_rev4[2][i]);
b43_nphy_pa_set_tx_dig_filter(dev, 0x2C5,
tbl_tx_filter_coef_rev4[2]);
}
/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/IpaSetTxDigiFilts */
static void b43_nphy_int_pa_set_tx_dig_filters(struct b43_wldev *dev)
{
int i, j;
/* B43_NPHY_TXF_20CO_S0A1, B43_NPHY_TXF_40CO_S0A1, unknown */
static const u16 offset[] = { 0x186, 0x195, 0x2C5 };
int i;
for (i = 0; i < 3; i++)
for (j = 0; j < 15; j++)
b43_phy_write(dev, B43_PHY_N(offset[i] + j),
tbl_tx_filter_coef_rev4[i][j]);
b43_nphy_pa_set_tx_dig_filter(dev, offset[i],
tbl_tx_filter_coef_rev4[i]);
if (b43_is_40mhz(dev)) {
for (j = 0; j < 15; j++)
b43_phy_write(dev, B43_PHY_N(offset[0] + j),
tbl_tx_filter_coef_rev4[3][j]);
b43_nphy_pa_set_tx_dig_filter(dev, 0x186,
tbl_tx_filter_coef_rev4[3]);
} else if (b43_current_band(dev->wl) == IEEE80211_BAND_5GHZ) {
for (j = 0; j < 15; j++)
b43_phy_write(dev, B43_PHY_N(offset[0] + j),
tbl_tx_filter_coef_rev4[5][j]);
b43_nphy_pa_set_tx_dig_filter(dev, 0x186,
tbl_tx_filter_coef_rev4[5]);
}
if (dev->phy.channel == 14)
for (j = 0; j < 15; j++)
b43_phy_write(dev, B43_PHY_N(offset[0] + j),
tbl_tx_filter_coef_rev4[6][j]);
b43_nphy_pa_set_tx_dig_filter(dev, 0x186,
tbl_tx_filter_coef_rev4[6]);
}
/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/GetTxGain */