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ath9k: add functions to get paprd rate mask

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This removes some code duplication with le32_to_cpu. This may also be
required for QCN550x support, to provide an abstraction over the
underlying EEPROM format.

Signed-off-by: Wenli Looi <wlooi@ucalgary.ca>
Acked-by: Toke Høiland-Jørgensen <toke@toke.dk>
Signed-off-by: Kalle Valo <quic_kvalo@quicinc.com>
Link: https://lore.kernel.org/r/20220320233010.123106-7-wlooi@ucalgary.ca
This commit is contained in:
Wenli Looi
2022-03-20 17:30:10 -06:00
committed by Kalle Valo
parent 193025378c
commit 673424ce0e
3 changed files with 25 additions and 20 deletions
Download Patch File Download Diff File Expand all files Collapse all files

33
drivers/net/wireless/ath/ath9k/ar9003_eeprom.c
View File

@@ -5449,8 +5449,6 @@ static void ath9k_hw_ar9300_set_txpower(struct ath_hw *ah,
{
struct ath_regulatory *regulatory = ath9k_hw_regulatory(ah);
struct ath_common *common = ath9k_hw_common(ah);
struct ar9300_eeprom *eep = &ah->eeprom.ar9300_eep;
struct ar9300_modal_eep_header *modal_hdr;
u8 targetPowerValT2[ar9300RateSize];
u8 target_power_val_t2_eep[ar9300RateSize];
u8 targetPowerValT2_tpc[ar9300RateSize];
@@ -5465,17 +5463,12 @@ static void ath9k_hw_ar9300_set_txpower(struct ath_hw *ah,
ar9003_hw_get_target_power_eeprom(ah, chan, targetPowerValT2);
if (ar9003_is_paprd_enabled(ah)) {
if (IS_CHAN_2GHZ(chan))
modal_hdr = &eep->modalHeader2G;
else
modal_hdr = &eep->modalHeader5G;
ah->paprd_ratemask =
le32_to_cpu(modal_hdr->papdRateMaskHt20) &
ar9003_get_paprd_rate_mask_ht20(ah, IS_CHAN_2GHZ(chan)) &
AR9300_PAPRD_RATE_MASK;
ah->paprd_ratemask_ht40 =
le32_to_cpu(modal_hdr->papdRateMaskHt40) &
ar9003_get_paprd_rate_mask_ht40(ah, IS_CHAN_2GHZ(chan)) &
AR9300_PAPRD_RATE_MASK;
paprd_scale_factor = ar9003_get_paprd_scale_factor(ah, chan);
@@ -5592,23 +5585,33 @@ u8 *ar9003_get_spur_chan_ptr(struct ath_hw *ah, bool is2ghz)
return ar9003_modal_header(ah, is2ghz)->spurChans;
}
u32 ar9003_get_paprd_rate_mask_ht20(struct ath_hw *ah, bool is2ghz)
{
return le32_to_cpu(ar9003_modal_header(ah, is2ghz)->papdRateMaskHt20);
}
u32 ar9003_get_paprd_rate_mask_ht40(struct ath_hw *ah, bool is2ghz)
{
return le32_to_cpu(ar9003_modal_header(ah, is2ghz)->papdRateMaskHt40);
}
unsigned int ar9003_get_paprd_scale_factor(struct ath_hw *ah,
struct ath9k_channel *chan)
{
struct ar9300_eeprom *eep = &ah->eeprom.ar9300_eep;
bool is2ghz = IS_CHAN_2GHZ(chan);
if (IS_CHAN_2GHZ(chan))
return MS(le32_to_cpu(eep->modalHeader2G.papdRateMaskHt20),
if (is2ghz)
return MS(ar9003_get_paprd_rate_mask_ht20(ah, is2ghz),
AR9300_PAPRD_SCALE_1);
else {
if (chan->channel >= 5700)
return MS(le32_to_cpu(eep->modalHeader5G.papdRateMaskHt20),
return MS(ar9003_get_paprd_rate_mask_ht20(ah, is2ghz),
AR9300_PAPRD_SCALE_1);
else if (chan->channel >= 5400)
return MS(le32_to_cpu(eep->modalHeader5G.papdRateMaskHt40),
return MS(ar9003_get_paprd_rate_mask_ht40(ah, is2ghz),
AR9300_PAPRD_SCALE_2);
else
return MS(le32_to_cpu(eep->modalHeader5G.papdRateMaskHt40),
return MS(ar9003_get_paprd_rate_mask_ht40(ah, is2ghz),
AR9300_PAPRD_SCALE_1);
}
}

2
drivers/net/wireless/ath/ath9k/ar9003_eeprom.h
View File

@@ -363,6 +363,8 @@ u32 ar9003_hw_ant_ctrl_common_2_get(struct ath_hw *ah, bool is2ghz);
u8 *ar9003_get_spur_chan_ptr(struct ath_hw *ah, bool is_2ghz);
u32 ar9003_get_paprd_rate_mask_ht20(struct ath_hw *ah, bool is2ghz);
u32 ar9003_get_paprd_rate_mask_ht40(struct ath_hw *ah, bool is2ghz);
unsigned int ar9003_get_paprd_scale_factor(struct ath_hw *ah,
struct ath9k_channel *chan);

10
drivers/net/wireless/ath/ath9k/ar9003_paprd.c
View File

@@ -21,7 +21,7 @@
void ar9003_paprd_enable(struct ath_hw *ah, bool val)
{
struct ath9k_channel *chan = ah->curchan;
struct ar9300_eeprom *eep = &ah->eeprom.ar9300_eep;
bool is2ghz = IS_CHAN_2GHZ(chan);
/*
* 3 bits for modalHeader5G.papdRateMaskHt20
@@ -36,17 +36,17 @@ void ar9003_paprd_enable(struct ath_hw *ah, bool val)
* -- disable PAPRD for lower band 5GHz
*/
if (IS_CHAN_5GHZ(chan)) {
if (!is2ghz) {
if (chan->channel >= UPPER_5G_SUB_BAND_START) {
if (le32_to_cpu(eep->modalHeader5G.papdRateMaskHt20)
if (ar9003_get_paprd_rate_mask_ht20(ah, is2ghz)
& BIT(30))
val = false;
} else if (chan->channel >= MID_5G_SUB_BAND_START) {
if (le32_to_cpu(eep->modalHeader5G.papdRateMaskHt20)
if (ar9003_get_paprd_rate_mask_ht20(ah, is2ghz)
& BIT(29))
val = false;
} else {
if (le32_to_cpu(eep->modalHeader5G.papdRateMaskHt20)
if (ar9003_get_paprd_rate_mask_ht20(ah, is2ghz)
& BIT(28))
val = false;
}