diff options
Diffstat (limited to 'drivers/net/wireless/broadcom/b43/phy_lp.c')
| -rw-r--r-- | drivers/net/wireless/broadcom/b43/phy_lp.c | 43 |
1 files changed, 10 insertions, 33 deletions
diff --git a/drivers/net/wireless/broadcom/b43/phy_lp.c b/drivers/net/wireless/broadcom/b43/phy_lp.c index 6922cbb99a04..0e5c076e7544 100644 --- a/drivers/net/wireless/broadcom/b43/phy_lp.c +++ b/drivers/net/wireless/broadcom/b43/phy_lp.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0-or-later /* Broadcom B43 wireless driver @@ -6,23 +7,10 @@ Copyright (c) 2008-2009 Michael Buesch <m@bues.ch> Copyright (c) 2009 Gábor Stefanik <netrolller.3d@gmail.com> - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2 of the License, or - (at your option) any later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; see the file COPYING. If not, write to - the Free Software Foundation, Inc., 51 Franklin Steet, Fifth Floor, - Boston, MA 02110-1301, USA. */ +#include <linux/cordic.h> #include <linux/slab.h> #include "b43.h" @@ -82,7 +70,7 @@ static void b43_lpphy_op_free(struct b43_wldev *dev) dev->phy.lp = NULL; } -/* http://bcm-v4.sipsolutions.net/802.11/PHY/LP/ReadBandSrom */ +/* https://bcm-v4.sipsolutions.net/802.11/PHY/LP/ReadBandSrom */ static void lpphy_read_band_sprom(struct b43_wldev *dev) { struct ssb_sprom *sprom = dev->dev->bus_sprom; @@ -1780,9 +1768,9 @@ static void lpphy_start_tx_tone(struct b43_wldev *dev, s32 freq, u16 max) { struct b43_phy_lp *lpphy = dev->phy.lp; u16 buf[64]; - int i, samples = 0, angle = 0; + int i, samples = 0, theta = 0; int rotation = (((36 * freq) / 20) << 16) / 100; - struct b43_c32 sample; + struct cordic_iq sample; lpphy->tx_tone_freq = freq; @@ -1798,10 +1786,10 @@ static void lpphy_start_tx_tone(struct b43_wldev *dev, s32 freq, u16 max) } for (i = 0; i < samples; i++) { - sample = b43_cordic(angle); - angle += rotation; - buf[i] = CORDIC_CONVERT((sample.i * max) & 0xFF) << 8; - buf[i] |= CORDIC_CONVERT((sample.q * max) & 0xFF); + sample = cordic_calc_iq(CORDIC_FIXED(theta)); + theta += rotation; + buf[i] = CORDIC_FLOAT((sample.i * max) & 0xFF) << 8; + buf[i] |= CORDIC_FLOAT((sample.q * max) & 0xFF); } b43_lptab_write_bulk(dev, B43_LPTAB16(5, 0), samples, buf); @@ -1825,16 +1813,10 @@ static void lpphy_stop_tx_tone(struct b43_wldev *dev) } -static void lpphy_papd_cal(struct b43_wldev *dev, struct lpphy_tx_gains gains, - int mode, bool useindex, u8 index) -{ - //TODO -} - static void lpphy_papd_cal_txpwr(struct b43_wldev *dev) { struct b43_phy_lp *lpphy = dev->phy.lp; - struct lpphy_tx_gains gains, oldgains; + struct lpphy_tx_gains oldgains; int old_txpctl, old_afe_ovr, old_rf, old_bbmult; lpphy_read_tx_pctl_mode_from_hardware(dev); @@ -1847,11 +1829,6 @@ static void lpphy_papd_cal_txpwr(struct b43_wldev *dev) lpphy_set_tx_power_control(dev, B43_LPPHY_TXPCTL_OFF); - if (dev->dev->chip_id == 0x4325 && dev->dev->chip_rev == 0) - lpphy_papd_cal(dev, gains, 0, 1, 30); - else - lpphy_papd_cal(dev, gains, 0, 1, 65); - if (old_afe_ovr) lpphy_set_tx_gains(dev, oldgains); lpphy_set_bb_mult(dev, old_bbmult); |