redonkable/alistair23-linux
redonkable/alistair23-linux
1
0
Fork 0
Code Releases Activity

b43: HT-PHY: implement PA override

Browse source 
Signed-off-by: Rafał Miłecki <zajec5@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Rafał Miłecki 2013-03-09 13:49:01 +01:00 committed by John W. Linville
parent 4cce095623
commit a51ab25811
2 changed files with 27 additions and 0 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

22
drivers/net/wireless/b43/phy_ht.c
View file

@ -178,6 +178,26 @@ static void b43_phy_ht_force_rf_sequence(struct b43_wldev *dev, u16 rf_seq)
b43_phy_write(dev, B43_PHY_HT_RF_SEQ_MODE, save_seq_mode);
}
static void b43_phy_ht_pa_override(struct b43_wldev *dev, bool enable)
{
struct b43_phy_ht *htphy = dev->phy.ht;
static const u16 regs[3] = { B43_PHY_HT_RF_CTL_INT_C1,
B43_PHY_HT_RF_CTL_INT_C2,
B43_PHY_HT_RF_CTL_INT_C3 };
int i;
if (enable) {
for (i = 0; i < 3; i++)
b43_phy_write(dev, regs[i], htphy->rf_ctl_int_save[i]);
} else {
for (i = 0; i < 3; i++)
htphy->rf_ctl_int_save[i] = b43_phy_read(dev, regs[i]);
/* TODO: Does 5GHz band use different value (not 0x0400)? */
for (i = 0; i < 3; i++)
b43_phy_write(dev, regs[i], 0x0400);
}
}
/**************************************************
* Various PHY ops
**************************************************/
@ -554,8 +574,10 @@ static int b43_phy_ht_op_init(struct b43_wldev *dev)
b43_mac_phy_clock_set(dev, true);
b43_phy_ht_pa_override(dev, false);
b43_phy_ht_force_rf_sequence(dev, B43_PHY_HT_RF_SEQ_TRIG_RX2TX);
b43_phy_ht_force_rf_sequence(dev, B43_PHY_HT_RF_SEQ_TRIG_RST2RX);
b43_phy_ht_pa_override(dev, true);
/* TODO: Should we restore it? Or store it in global PHY info? */
b43_phy_ht_classifier(dev, 0, 0);

5
drivers/net/wireless/b43/phy_ht.h
View file

@ -40,6 +40,10 @@
#define B43_PHY_HT_RF_CTL1 B43_PHY_EXTG(0x010)
#define B43_PHY_HT_RF_CTL_INT_C1 B43_PHY_EXTG(0x04c)
#define B43_PHY_HT_RF_CTL_INT_C2 B43_PHY_EXTG(0x06c)
#define B43_PHY_HT_RF_CTL_INT_C3 B43_PHY_EXTG(0x08c)
#define B43_PHY_HT_AFE_C1_OVER B43_PHY_EXTG(0x110)
#define B43_PHY_HT_AFE_C1 B43_PHY_EXTG(0x111)
#define B43_PHY_HT_AFE_C2_OVER B43_PHY_EXTG(0x114)
@ -62,6 +66,7 @@ struct b43_phy_ht_channeltab_e_phy {
struct b43_phy_ht {
u16 rf_ctl_int_save[3];
};