summaryrefslogtreecommitdiffstats
path: root/drivers/net/wireless/b43/phy_ht.c
diff options
context:
space:
mode:
authorRafał Miłecki <zajec5@gmail.com>2011-08-24 11:52:35 +0200
committerJohn W. Linville <linville@tuxdriver.com>2011-08-26 10:47:57 -0400
commitea5a08cfa5fe9d10333eb7d65a7158ab766dae93 (patch)
tree6c7ad24746c9e2cbdf31f177eb366755b768700f /drivers/net/wireless/b43/phy_ht.c
parentc750f795c721805f69254cf4dd91f67b28ff6ddc (diff)
b43: HT-PHY: read clip state
We don't know yet when to restore it, implement just reading. We found out what for are that PHY ops by comparing HT with N code. Signed-off-by: Rafał Miłecki <zajec5@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'drivers/net/wireless/b43/phy_ht.c')
-rw-r--r--drivers/net/wireless/b43/phy_ht.c11
1 files changed, 10 insertions, 1 deletions
diff --git a/drivers/net/wireless/b43/phy_ht.c b/drivers/net/wireless/b43/phy_ht.c
index c0e436c1686..4d6345e8ee6 100644
--- a/drivers/net/wireless/b43/phy_ht.c
+++ b/drivers/net/wireless/b43/phy_ht.c
@@ -212,6 +212,13 @@ 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_read_clip_detection(struct b43_wldev *dev, u16 *clip_st)
+{
+ clip_st[0] = b43_phy_read(dev, B43_PHY_HT_C1_CLIP1THRES);
+ clip_st[1] = b43_phy_read(dev, B43_PHY_HT_C2_CLIP1THRES);
+ clip_st[2] = b43_phy_read(dev, B43_PHY_HT_C3_CLIP1THRES);
+}
+
static void b43_phy_ht_bphy_init(struct b43_wldev *dev)
{
unsigned int i;
@@ -335,6 +342,7 @@ static void b43_phy_ht_op_prepare_structs(struct b43_wldev *dev)
static int b43_phy_ht_op_init(struct b43_wldev *dev)
{
u16 tmp;
+ u16 clip_state[3];
b43_phy_ht_tables_init(dev);
@@ -443,7 +451,8 @@ static int b43_phy_ht_op_init(struct b43_wldev *dev)
/* TODO: PHY op on reg 0xb0 */
- /* TODO: PHY ops on regs 0x40e, 0x44e, 0x48e */
+ /* TODO: Should we restore it? Or store it in global PHY info? */
+ b43_phy_ht_read_clip_detection(dev, clip_state);
if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ)
b43_phy_ht_bphy_init(dev);