aboutsummaryrefslogtreecommitdiffstats
path: root/drivers/net/wireless/ath/ath5k/phy.c
diff options
context:
space:
mode:
authorNick Kossifidis <mickflemm@gmail.com>2010-11-23 21:26:13 +0200
committerJohn W. Linville <linville@tuxdriver.com>2010-11-30 13:53:23 -0500
commitb2b4c69f682a2868411899a77842061dd745884f (patch)
treec6f859e394f04e3b1bc5b2f54f47825c0e674c05 /drivers/net/wireless/ath/ath5k/phy.c
parent71ba1c30851575b43ba76b0f9c26ff5567e8136c (diff)
ath5k: Tweak power detector delays on RF5111/RF5112
* Tweak power detector delays on AR5111/AR5112 when using half/quarter modes. Signed-off-by: Nick Kossifidis <mickflemm@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'drivers/net/wireless/ath/ath5k/phy.c')
-rw-r--r--drivers/net/wireless/ath/ath5k/phy.c32
1 files changed, 30 insertions, 2 deletions
diff --git a/drivers/net/wireless/ath/ath5k/phy.c b/drivers/net/wireless/ath/ath5k/phy.c
index 706fc461be6..6913a52cecc 100644
--- a/drivers/net/wireless/ath/ath5k/phy.c
+++ b/drivers/net/wireless/ath/ath5k/phy.c
@@ -851,7 +851,23 @@ static int ath5k_hw_rfregs_init(struct ath5k_hw *ah,
ath5k_hw_rfb_op(ah, rf_regs, ee->ee_xpd[ee_mode],
AR5K_RF_PLO_SEL, true);
- /* TODO: Half/quarter channel support */
+ /* Tweak power detectors for half/quarter rate support */
+ if (ah->ah_bwmode == AR5K_BWMODE_5MHZ ||
+ ah->ah_bwmode == AR5K_BWMODE_10MHZ) {
+ u8 wait_i;
+
+ ath5k_hw_rfb_op(ah, rf_regs, 0x1f,
+ AR5K_RF_WAIT_S, true);
+
+ wait_i = (ah->ah_bwmode == AR5K_BWMODE_5MHZ) ?
+ 0x1f : 0x10;
+
+ ath5k_hw_rfb_op(ah, rf_regs, wait_i,
+ AR5K_RF_WAIT_I, true);
+ ath5k_hw_rfb_op(ah, rf_regs, 3,
+ AR5K_RF_MAX_TIME, true);
+
+ }
}
if (ah->ah_radio == AR5K_RF5112) {
@@ -949,8 +965,20 @@ static int ath5k_hw_rfregs_init(struct ath5k_hw *ah,
ath5k_hw_rfb_op(ah, rf_regs, ee->ee_i_gain[ee_mode],
AR5K_RF_GAIN_I, true);
- /* TODO: Half/quarter channel support */
+ /* Tweak power detector for half/quarter rates */
+ if (ah->ah_bwmode == AR5K_BWMODE_5MHZ ||
+ ah->ah_bwmode == AR5K_BWMODE_10MHZ) {
+ u8 pd_delay;
+
+ pd_delay = (ah->ah_bwmode == AR5K_BWMODE_5MHZ) ?
+ 0xf : 0x8;
+ ath5k_hw_rfb_op(ah, rf_regs, pd_delay,
+ AR5K_RF_PD_PERIOD_A, true);
+ ath5k_hw_rfb_op(ah, rf_regs, 0xf,
+ AR5K_RF_PD_DELAY_A, true);
+
+ }
}
if (ah->ah_radio == AR5K_RF5413 &&