From mboxrd@z Thu Jan 1 00:00:00 1970 From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= Date: Sun, 17 Mar 2013 19:00:21 +0100 Subject: [PATCH 4/4] b43: HT-PHY: do some extra TSSI setup after configuring TX In-Reply-To: <1363543221-10651-1-git-send-email-zajec5@gmail.com> References: <1363543221-10651-1-git-send-email-zajec5@gmail.com> Message-ID: <1363543221-10651-5-git-send-email-zajec5@gmail.com> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: b43-dev@lists.infradead.org After b43_phy_ht_tx_power_ctl_setup there are some extra radio ops: radio_read(0x08bf) -> 0x0001 radio_write(0x08bf) <- 0x0001 radio_write(0x0159) <- 0x0011 On N-PHY we write 0x11 to TSSI regs, so it's probably sth similar. --- drivers/net/wireless/b43/phy_ht.c | 13 +++++++++++++ 1 file changed, 13 insertions(+) diff --git a/drivers/net/wireless/b43/phy_ht.c b/drivers/net/wireless/b43/phy_ht.c index 204b9f0..5c0ec14 100644 --- a/drivers/net/wireless/b43/phy_ht.c +++ b/drivers/net/wireless/b43/phy_ht.c @@ -562,6 +562,18 @@ static void b43_phy_ht_tx_power_ctl_idle_tssi(struct b43_wldev *dev) } } +static void b43_phy_ht_tssi_setup(struct b43_wldev *dev) +{ + static const u16 routing[] = { R2059_C1, R2059_C2, R2059_C3, }; + u8 i; + + /* 0x159 is probably TX_SSI_MUX or TSSIG (by comparing to N-PHY) */ + for (i = 0; i < 3; i++) { + b43_radio_set(dev, 0x8bf, 0x1); + b43_radio_write(dev, routing[i] | 0x0159, 0x0011); + } +} + static void b43_phy_ht_tx_power_ctl_setup(struct b43_wldev *dev) { struct b43_phy_ht *phy_ht = dev->phy.ht; @@ -955,6 +967,7 @@ static int b43_phy_ht_op_init(struct b43_wldev *dev) b43_phy_ht_tx_power_ctl(dev, false); b43_phy_ht_tx_power_ctl_idle_tssi(dev); b43_phy_ht_tx_power_ctl_setup(dev); + b43_phy_ht_tssi_setup(dev); b43_phy_ht_tx_power_ctl(dev, saved_tx_pwr_ctl); return 0; -- 1.7.10.4