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b43: N-PHY: update low-pass filter setup

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Add support for external PA and clean code a bit.

Signed-off-by: Rafał Miłecki <zajec5@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Rafał Miłecki 2014-06-22 23:18:22 +02:00 • committed by John W. Linville
parent ed03033e30
commit 8ac3a2aa72
1 changed files with 19 additions and 12 deletions
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31
drivers/net/wireless/b43/phy_n.c
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@ -3706,21 +3706,28 @@ static void b43_nphy_pa_override(struct b43_wldev *dev, bool enable)
}
}
/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/TxLpFbw */
static void b43_nphy_tx_lp_fbw(struct b43_wldev *dev)
/*
* TX low-pass filter bandwidth setup
* http://bcm-v4.sipsolutions.net/802.11/PHY/N/TxLpFbw
*/
static void b43_nphy_tx_lpf_bw(struct b43_wldev *dev)
{
u16 tmp;
if (dev->phy.rev >= 3) {
if (b43_nphy_ipa(dev)) {
tmp = 4;
b43_phy_write(dev, B43_NPHY_TXF_40CO_B32S2,
(((((tmp << 3) | tmp) << 3) | tmp) << 3) | tmp);
}
if (dev->phy.rev < 3 || dev->phy.rev >= 7)
return;
tmp = 1;
if (b43_nphy_ipa(dev))
tmp = b43_is_40mhz(dev) ? 5 : 4;
else
tmp = b43_is_40mhz(dev) ? 3 : 1;
b43_phy_write(dev, B43_NPHY_TXF_40CO_B32S2,
(tmp << 9) | (tmp << 6) | (tmp << 3) | tmp);
if (b43_nphy_ipa(dev)) {
tmp = b43_is_40mhz(dev) ? 4 : 1;
b43_phy_write(dev, B43_NPHY_TXF_40CO_B1S2,
(((((tmp << 3) | tmp) << 3) | tmp) << 3) | tmp);
(tmp << 9) | (tmp << 6) | (tmp << 3) | tmp);
}
}
@ -5347,7 +5354,7 @@ static int b43_phy_initn(struct b43_wldev *dev)
b43_phy_write(dev, B43_NPHY_TXMACDELAY, 0x0320);
if (phy->rev >= 3 && phy->rev <= 6)
b43_phy_write(dev, B43_NPHY_PLOAD_CSENSE_EXTLEN, 0x0032);
b43_nphy_tx_lp_fbw(dev);
b43_nphy_tx_lpf_bw(dev);
if (phy->rev >= 3)
b43_nphy_spur_workaround(dev);
@ -5433,7 +5440,7 @@ static void b43_nphy_channel_setup(struct b43_wldev *dev,
if (dev->phy.rev < 3)
b43_nphy_adjust_lna_gain_table(dev);
b43_nphy_tx_lp_fbw(dev);
b43_nphy_tx_lpf_bw(dev);
if (dev->phy.rev >= 3 &&
dev->phy.n->spur_avoid != B43_SPUR_AVOID_DISABLE) {