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Commit 5b5ee450 authored by Rafał Miłecki's avatar Rafał Miłecki Committed by John W. Linville
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b43: N-PHY: add helper for setting digital filters 



Signed-off-by: default avatarRafał Miłecki <zajec5@gmail.com>
Signed-off-by: default avatarJohn W. Linville <linville@tuxdriver.com>
parent 81df6caf

drivers/net/wireless/b43/phy_n.c

+22 −17
Original line number Diff line number Diff line
@@ -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 */