From: "Rafał Miłecki" <zajec5@gmail.com>
To: "linux-wireless@vger.kernel.org" <linux-wireless@vger.kernel.org>,
"John W. Linville" <linville@tuxdriver.com>
Cc: "bcm43xx-dev@lists.berlios.de" <bcm43xx-dev@lists.berlios.de>
Subject: [PATCH 3/7] b43: N-PHY: implement MIMO config update
Date: Sun, 17 Jan 2010 13:03:40 +0100 [thread overview]
Message-ID: <op.u6oegeb39lhzdc@linux-g0th.site> (raw)
Signed-off-by: Rafał Miłecki <zajec5@gmail.com>
---
drivers/net/wireless/b43/phy_n.c | 16 +++++++++++++++-
drivers/net/wireless/b43/phy_n.h | 1 +
2 files changed, 16 insertions(+), 1 deletions(-)
diff --git a/drivers/net/wireless/b43/phy_n.c b/drivers/net/wireless/b43/phy_n.c
index 34dd4a2..582d6b0 100644
--- a/drivers/net/wireless/b43/phy_n.c
+++ b/drivers/net/wireless/b43/phy_n.c
@@ -424,6 +424,20 @@ static void b43_nphy_reset_cca(struct b43_wldev *dev)
/* TODO: N PHY Force RF Seq with argument 2 */
}
+/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/MIMOConfig */
+static void b43_nphy_update_mimo_config(struct b43_wldev *dev, s32 preamble)
+{
+ u16 mimocfg = b43_phy_read(dev, B43_NPHY_MIMOCFG);
+
+ mimocfg |= B43_NPHY_MIMOCFG_AUTO;
+ if (preamble == 1)
+ mimocfg |= B43_NPHY_MIMOCFG_GFMIX;
+ else
+ mimocfg &= ~B43_NPHY_MIMOCFG_GFMIX;
+
+ b43_phy_write(dev, B43_NPHY_MIMOCFG, mimocfg);
+}
+
/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/RxIqEst */
static void b43_nphy_rx_iq_est(struct b43_wldev *dev, struct nphy_iq_est *est,
u16 samps, u8 time, bool wait)
@@ -2180,7 +2194,7 @@ int b43_phy_initn(struct b43_wldev *dev)
b43_phy_write(dev, B43_NPHY_PLOAD_CSENSE_EXTLEN, 0x50);
b43_phy_write(dev, B43_NPHY_TXRIFS_FRDEL, 0x30);
- /* TODO MIMO-Config */
+ b43_nphy_update_mimo_config(dev, nphy->preamble_override);
/* TODO Update TX/RX chain */
if (phy->rev < 2) {
diff --git a/drivers/net/wireless/b43/phy_n.h b/drivers/net/wireless/b43/phy_n.h
index 4572866..ae00e3f 100644
--- a/drivers/net/wireless/b43/phy_n.h
+++ b/drivers/net/wireless/b43/phy_n.h
@@ -973,6 +973,7 @@ struct b43_phy_n {
bool hang_avoid;
bool mute;
u16 papd_epsilon_offset[2];
+ s32 preamble_override;
u8 mphase_cal_phase_id;
u16 mphase_txcal_cmdidx;
--
1.6.4.2
reply other threads:[~2010-01-17 12:03 UTC|newest]
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