diff options
| author | Rafał Miłecki <zajec5@gmail.com> | 2011-08-24 09:52:35 (GMT) |
|---|---|---|
| committer | John W. Linville <linville@tuxdriver.com> | 2011-08-26 14:47:57 (GMT) |
| commit | ea5a08cfa5fe9d10333eb7d65a7158ab766dae93 (patch) | |
| tree | 6c7ad24746c9e2cbdf31f177eb366755b768700f /drivers/net | |
| parent | c750f795c721805f69254cf4dd91f67b28ff6ddc (diff) | |
| download | linux-fsl-qoriq-ea5a08cfa5fe9d10333eb7d65a7158ab766dae93.tar.xz | |
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')
| -rw-r--r-- | drivers/net/wireless/b43/phy_ht.c | 11 | ||||
| -rw-r--r-- | drivers/net/wireless/b43/phy_ht.h | 4 |
2 files changed, 14 insertions, 1 deletions
diff --git a/drivers/net/wireless/b43/phy_ht.c b/drivers/net/wireless/b43/phy_ht.c index c0e436c..4d6345e 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); diff --git a/drivers/net/wireless/b43/phy_ht.h b/drivers/net/wireless/b43/phy_ht.h index 0661ae2..6544c42 100644 --- a/drivers/net/wireless/b43/phy_ht.h +++ b/drivers/net/wireless/b43/phy_ht.h @@ -19,6 +19,10 @@ #define B43_PHY_HT_BW5 0x1D2 #define B43_PHY_HT_BW6 0x1D3 +#define B43_PHY_HT_C1_CLIP1THRES B43_PHY_OFDM(0x00E) +#define B43_PHY_HT_C2_CLIP1THRES B43_PHY_OFDM(0x04E) +#define B43_PHY_HT_C3_CLIP1THRES B43_PHY_OFDM(0x08E) + #define B43_PHY_HT_RF_SEQ_MODE B43_PHY_EXTG(0x000) #define B43_PHY_HT_RF_SEQ_TRIG B43_PHY_EXTG(0x003) #define B43_PHY_HT_RF_SEQ_TRIG_RX2TX 0x0001 /* RX2TX */ |