[PATCH 4/4] b43: HT-PHY: do some extra TSSI setup after configuring TX
Rafał Miłecki
zajec5 at gmail.com
Sun Mar 17 14:00:21 EDT 2013
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
More information about the b43-dev
mailing list