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ath5k: Tweak power detector delays on RF5111/RF5112

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* 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>
This commit is contained in:
Nick Kossifidis 2010-11-23 21:26:13 +02:00 committed by John W. Linville
parent 71ba1c3085
commit b2b4c69f68
1 changed files with 30 additions and 2 deletions
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32
drivers/net/wireless/ath/ath5k/phy.c
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@ -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 &&