From: "Rafał Miłecki" <zajec5@gmail.com>
To: linux-wireless@vger.kernel.org,
"John W. Linville" <linville@tuxdriver.com>
Cc: b43-dev@lists.infradead.org, "Rafał Miłecki" <zajec5@gmail.com>
Subject: [PATCH 2/2] b43: N-PHY: update low-pass filter setup
Date: Sun, 22 Jun 2014 23:18:22 +0200 [thread overview]
Message-ID: <1403471902-12731-2-git-send-email-zajec5@gmail.com> (raw)
In-Reply-To: <1403471902-12731-1-git-send-email-zajec5@gmail.com>
Add support for external PA and clean code a bit.
Signed-off-by: Rafał Miłecki <zajec5@gmail.com>
---
drivers/net/wireless/b43/phy_n.c | 31 +++++++++++++++++++------------
1 file changed, 19 insertions(+), 12 deletions(-)
diff --git a/drivers/net/wireless/b43/phy_n.c b/drivers/net/wireless/b43/phy_n.c
index d9409b4..0fb5e14 100644
--- a/drivers/net/wireless/b43/phy_n.c
+++ b/drivers/net/wireless/b43/phy_n.c
@@ -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) {
--
1.8.4.5
prev parent reply other threads:[~2014-06-22 21:18 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-06-22 21:18 [PATCH 1/2] b43: N-PHY: update code for sending sample tone Rafał Miłecki
2014-06-22 21:18 ` Rafał Miłecki [this message]
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