From 5b5ee4504ee90f2d614981574f7cd495743b65b9 Mon Sep 17 00:00:00 2001 From: =?utf8?q?Rafa=C5=82=20Mi=C5=82ecki?= Date: Sat, 19 Jul 2014 12:52:41 +0200 Subject: [PATCH] b43: N-PHY: add helper for setting digital filters MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 Content-Transfer-Encoding: 8bit Signed-off-by: Rafał Miłecki Signed-off-by: John W. Linville --- drivers/net/wireless/b43/phy_n.c | 39 ++++++++++++++++++-------------- 1 file changed, 22 insertions(+), 17 deletions(-) diff --git a/drivers/net/wireless/b43/phy_n.c b/drivers/net/wireless/b43/phy_n.c index 92bfe352ba08..b5c8a816cde8 100644 --- a/drivers/net/wireless/b43/phy_n.c +++ b/drivers/net/wireless/b43/phy_n.c @@ -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 */ -- 2.20.1