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path: root/drivers/net/wireless/ath/ath9k/eeprom.c
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Diffstat (limited to 'drivers/net/wireless/ath/ath9k/eeprom.c')
-rw-r--r--drivers/net/wireless/ath/ath9k/eeprom.c40
1 files changed, 30 insertions, 10 deletions
diff --git a/drivers/net/wireless/ath/ath9k/eeprom.c b/drivers/net/wireless/ath/ath9k/eeprom.c
index c4352323331..0512397a293 100644
--- a/drivers/net/wireless/ath/ath9k/eeprom.c
+++ b/drivers/net/wireless/ath/ath9k/eeprom.c
@@ -16,14 +16,6 @@
#include "hw.h"
-static inline u16 ath9k_hw_fbin2freq(u8 fbin, bool is2GHz)
-{
- if (fbin == AR5416_BCHAN_UNUSED)
- return fbin;
-
- return (u16) ((is2GHz) ? (2300 + fbin) : (4800 + 5 * fbin));
-}
-
void ath9k_hw_analog_shift_regwrite(struct ath_hw *ah, u32 reg, u32 val)
{
REG_WRITE(ah, reg, val);
@@ -290,6 +282,34 @@ u16 ath9k_hw_get_max_edge_power(u16 freq, struct cal_ctl_edges *pRdEdgesPower,
return twiceMaxEdgePower;
}
+u16 ath9k_hw_get_scaled_power(struct ath_hw *ah, u16 power_limit,
+ u8 antenna_reduction)
+{
+ u16 reduction = antenna_reduction;
+
+ /*
+ * Reduce scaled Power by number of chains active
+ * to get the per chain tx power level.
+ */
+ switch (ar5416_get_ntxchains(ah->txchainmask)) {
+ case 1:
+ break;
+ case 2:
+ reduction += POWER_CORRECTION_FOR_TWO_CHAIN;
+ break;
+ case 3:
+ reduction += POWER_CORRECTION_FOR_THREE_CHAIN;
+ break;
+ }
+
+ if (power_limit > reduction)
+ power_limit -= reduction;
+ else
+ power_limit = 0;
+
+ return power_limit;
+}
+
void ath9k_hw_update_regulatory_maxpower(struct ath_hw *ah)
{
struct ath_common *common = ath9k_hw_common(ah);
@@ -299,10 +319,10 @@ void ath9k_hw_update_regulatory_maxpower(struct ath_hw *ah)
case 1:
break;
case 2:
- regulatory->max_power_level += INCREASE_MAXPOW_BY_TWO_CHAIN;
+ regulatory->max_power_level += POWER_CORRECTION_FOR_TWO_CHAIN;
break;
case 3:
- regulatory->max_power_level += INCREASE_MAXPOW_BY_THREE_CHAIN;
+ regulatory->max_power_level += POWER_CORRECTION_FOR_THREE_CHAIN;
break;
default:
ath_dbg(common, EEPROM, "Invalid chainmask configuration\n");