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openwrtv4/package/mac80211/patches/572-ath9k_cleanup_eeprom_code.patch
Felix Fietkau d23e0491f0 ath9k: add a number of ar93xx eeprom related fixes / enhancements 
SVN-Revision: 32669
2012-07-11 16:45:58 +00:00

274 lines
8.7 KiB
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--- a/drivers/net/wireless/ath/ath9k/ar9003_eeprom.c
+++ b/drivers/net/wireless/ath/ath9k/ar9003_eeprom.c
@@ -2971,14 +2971,6 @@ static u32 ath9k_hw_ar9300_get_eeprom(st
return (pBase->txrxMask >> 4) & 0xf;
case EEP_RX_MASK:
return pBase->txrxMask & 0xf;
- case EEP_DRIVE_STRENGTH:
-#define AR9300_EEP_BASE_DRIV_STRENGTH 0x1
- return pBase->miscConfiguration & AR9300_EEP_BASE_DRIV_STRENGTH;
- case EEP_INTERNAL_REGULATOR:
- /* Bit 4 is internal regulator flag */
- return (pBase->featureEnable & 0x10) >> 4;
- case EEP_SWREG:
- return le32_to_cpu(pBase->swreg);
case EEP_PAPRD:
return !!(pBase->featureEnable & BIT(5));
case EEP_CHAIN_MASK_REDUCE:
@@ -2989,8 +2981,6 @@ static u32 ath9k_hw_ar9300_get_eeprom(st
return eep->modalHeader5G.antennaGain;
case EEP_ANTENNA_GAIN_2G:
return eep->modalHeader2G.antennaGain;
- case EEP_QUICK_DROP:
- return pBase->miscConfiguration & BIT(1);
default:
return 0;
}
@@ -3503,19 +3493,20 @@ static int ath9k_hw_ar9300_get_eeprom_re
return 0;
}
-static s32 ar9003_hw_xpa_bias_level_get(struct ath_hw *ah, bool is2ghz)
+static struct ar9300_modal_eep_header *ar9003_modal_header(struct ath_hw *ah,
+ bool is2ghz)
{
struct ar9300_eeprom *eep = &ah->eeprom.ar9300_eep;
if (is2ghz)
- return eep->modalHeader2G.xpaBiasLvl;
+ return &eep->modalHeader2G;
else
- return eep->modalHeader5G.xpaBiasLvl;
+ return &eep->modalHeader5G;
}
static void ar9003_hw_xpa_bias_level_apply(struct ath_hw *ah, bool is2ghz)
{
- int bias = ar9003_hw_xpa_bias_level_get(ah, is2ghz);
+ int bias = ar9003_modal_header(ah, is2ghz)->xpaBiasLvl;
if (AR_SREV_9485(ah) || AR_SREV_9330(ah) || AR_SREV_9340(ah))
REG_RMW_FIELD(ah, AR_CH0_TOP2, AR_CH0_TOP2_XPABIASLVL, bias);
@@ -3531,57 +3522,26 @@ static void ar9003_hw_xpa_bias_level_app
}
}
-static u16 ar9003_switch_com_spdt_get(struct ath_hw *ah, bool is_2ghz)
+static u16 ar9003_switch_com_spdt_get(struct ath_hw *ah, bool is2ghz)
{
- struct ar9300_eeprom *eep = &ah->eeprom.ar9300_eep;
- __le16 val;
-
- if (is_2ghz)
- val = eep->modalHeader2G.switchcomspdt;
- else
- val = eep->modalHeader5G.switchcomspdt;
- return le16_to_cpu(val);
+ return le16_to_cpu(ar9003_modal_header(ah, is2ghz)->switchcomspdt);
}
static u32 ar9003_hw_ant_ctrl_common_get(struct ath_hw *ah, bool is2ghz)
{
- struct ar9300_eeprom *eep = &ah->eeprom.ar9300_eep;
- __le32 val;
-
- if (is2ghz)
- val = eep->modalHeader2G.antCtrlCommon;
- else
- val = eep->modalHeader5G.antCtrlCommon;
- return le32_to_cpu(val);
+ return le32_to_cpu(ar9003_modal_header(ah, is2ghz)->antCtrlCommon);
}
static u32 ar9003_hw_ant_ctrl_common_2_get(struct ath_hw *ah, bool is2ghz)
{
- struct ar9300_eeprom *eep = &ah->eeprom.ar9300_eep;
- __le32 val;
-
- if (is2ghz)
- val = eep->modalHeader2G.antCtrlCommon2;
- else
- val = eep->modalHeader5G.antCtrlCommon2;
- return le32_to_cpu(val);
+ return le32_to_cpu(ar9003_modal_header(ah, is2ghz)->antCtrlCommon2);
}
-static u16 ar9003_hw_ant_ctrl_chain_get(struct ath_hw *ah,
- int chain,
+static u16 ar9003_hw_ant_ctrl_chain_get(struct ath_hw *ah, int chain,
bool is2ghz)
{
- struct ar9300_eeprom *eep = &ah->eeprom.ar9300_eep;
- __le16 val = 0;
-
- if (chain >= 0 && chain < AR9300_MAX_CHAINS) {
- if (is2ghz)
- val = eep->modalHeader2G.antCtrlChain[chain];
- else
- val = eep->modalHeader5G.antCtrlChain[chain];
- }
-
+ __le16 val = ar9003_modal_header(ah, is2ghz)->antCtrlChain[chain];
return le16_to_cpu(val);
}
@@ -3691,11 +3651,12 @@ static void ar9003_hw_ant_ctrl_apply(str
static void ar9003_hw_drive_strength_apply(struct ath_hw *ah)
{
+ struct ar9300_eeprom *eep = &ah->eeprom.ar9300_eep;
+ struct ar9300_base_eep_hdr *pBase = &eep->baseEepHeader;
int drive_strength;
unsigned long reg;
- drive_strength = ath9k_hw_ar9300_get_eeprom(ah, EEP_DRIVE_STRENGTH);
-
+ drive_strength = pBase->miscConfiguration & BIT(0);
if (!drive_strength)
return;
@@ -3825,11 +3786,11 @@ static bool is_pmu_set(struct ath_hw *ah
void ar9003_hw_internal_regulator_apply(struct ath_hw *ah)
{
- int internal_regulator =
- ath9k_hw_ar9300_get_eeprom(ah, EEP_INTERNAL_REGULATOR);
+ struct ar9300_eeprom *eep = &ah->eeprom.ar9300_eep;
+ struct ar9300_base_eep_hdr *pBase = &eep->baseEepHeader;
u32 reg_val;
- if (internal_regulator) {
+ if (pBase->featureEnable & BIT(4)) {
if (AR_SREV_9330(ah) || AR_SREV_9485(ah)) {
int reg_pmu_set;
@@ -3873,11 +3834,11 @@ void ar9003_hw_internal_regulator_apply(
if (!is_pmu_set(ah, AR_PHY_PMU2, reg_pmu_set))
return;
} else if (AR_SREV_9462(ah)) {
- reg_val = ath9k_hw_ar9300_get_eeprom(ah, EEP_SWREG);
+ reg_val = le32_to_cpu(pBase->swreg);
REG_WRITE(ah, AR_PHY_PMU1, reg_val);
} else {
/* Internal regulator is ON. Write swreg register. */
- reg_val = ath9k_hw_ar9300_get_eeprom(ah, EEP_SWREG);
+ reg_val = le32_to_cpu(pBase->swreg);
REG_WRITE(ah, AR_RTC_REG_CONTROL1,
REG_READ(ah, AR_RTC_REG_CONTROL1) &
(~AR_RTC_REG_CONTROL1_SWREG_PROGRAM));
@@ -3931,10 +3892,11 @@ static void ar9003_hw_apply_tuning_caps(
static void ar9003_hw_quick_drop_apply(struct ath_hw *ah, u16 freq)
{
struct ar9300_eeprom *eep = &ah->eeprom.ar9300_eep;
- int quick_drop = ath9k_hw_ar9300_get_eeprom(ah, EEP_QUICK_DROP);
+ struct ar9300_base_eep_hdr *pBase = &eep->baseEepHeader;
+ int quick_drop;
s32 t[3], f[3] = {5180, 5500, 5785};
- if (!quick_drop)
+ if (!(pBase->miscConfiguration & BIT(1)))
return;
if (freq < 4000)
@@ -3948,13 +3910,11 @@ static void ar9003_hw_quick_drop_apply(s
REG_RMW_FIELD(ah, AR_PHY_AGC, AR_PHY_AGC_QUICK_DROP, quick_drop);
}
-static void ar9003_hw_txend_to_xpa_off_apply(struct ath_hw *ah, u16 freq)
+static void ar9003_hw_txend_to_xpa_off_apply(struct ath_hw *ah, bool is2ghz)
{
- struct ar9300_eeprom *eep = &ah->eeprom.ar9300_eep;
u32 value;
- value = (freq < 4000) ? eep->modalHeader2G.txEndToXpaOff :
- eep->modalHeader5G.txEndToXpaOff;
+ value = ar9003_modal_header(ah, is2ghz)->txEndToXpaOff;
REG_RMW_FIELD(ah, AR_PHY_XPA_TIMING_CTL,
AR_PHY_XPA_TIMING_CTL_TX_END_XPAB_OFF, value);
@@ -3962,7 +3922,7 @@ static void ar9003_hw_txend_to_xpa_off_a
AR_PHY_XPA_TIMING_CTL_TX_END_XPAA_OFF, value);
}
-static void ar9003_hw_xpa_timing_control_apply(struct ath_hw *ah, bool is_2ghz)
+static void ar9003_hw_xpa_timing_control_apply(struct ath_hw *ah, bool is2ghz)
{
struct ar9300_eeprom *eep = &ah->eeprom.ar9300_eep;
u8 xpa_ctl;
@@ -3973,23 +3933,22 @@ static void ar9003_hw_xpa_timing_control
if (!AR_SREV_9300(ah) && !AR_SREV_9340(ah) && !AR_SREV_9580(ah))
return;
- if (is_2ghz) {
- xpa_ctl = eep->modalHeader2G.txFrameToXpaOn;
+ xpa_ctl = ar9003_modal_header(ah, is2ghz)->txFrameToXpaOn;
+ if (is2ghz)
REG_RMW_FIELD(ah, AR_PHY_XPA_TIMING_CTL,
AR_PHY_XPA_TIMING_CTL_FRAME_XPAB_ON, xpa_ctl);
- } else {
- xpa_ctl = eep->modalHeader5G.txFrameToXpaOn;
+ else
REG_RMW_FIELD(ah, AR_PHY_XPA_TIMING_CTL,
AR_PHY_XPA_TIMING_CTL_FRAME_XPAA_ON, xpa_ctl);
- }
}
static void ath9k_hw_ar9300_set_board_values(struct ath_hw *ah,
struct ath9k_channel *chan)
{
- ar9003_hw_xpa_timing_control_apply(ah, IS_CHAN_2GHZ(chan));
- ar9003_hw_xpa_bias_level_apply(ah, IS_CHAN_2GHZ(chan));
- ar9003_hw_ant_ctrl_apply(ah, IS_CHAN_2GHZ(chan));
+ bool is2ghz = IS_CHAN_2GHZ(chan);
+ ar9003_hw_xpa_timing_control_apply(ah, is2ghz);
+ ar9003_hw_xpa_bias_level_apply(ah, is2ghz);
+ ar9003_hw_ant_ctrl_apply(ah, is2ghz);
ar9003_hw_drive_strength_apply(ah);
ar9003_hw_atten_apply(ah, chan);
ar9003_hw_quick_drop_apply(ah, chan->channel);
@@ -3997,7 +3956,7 @@ static void ath9k_hw_ar9300_set_board_va
ar9003_hw_internal_regulator_apply(ah);
if (AR_SREV_9485(ah) || AR_SREV_9330(ah) || AR_SREV_9340(ah))
ar9003_hw_apply_tuning_caps(ah);
- ar9003_hw_txend_to_xpa_off_apply(ah, chan->channel);
+ ar9003_hw_txend_to_xpa_off_apply(ah, is2ghz);
}
static void ath9k_hw_ar9300_set_addac(struct ath_hw *ah,
@@ -5133,14 +5092,9 @@ s32 ar9003_hw_get_rx_gain_idx(struct ath
return (eep->baseEepHeader.txrxgain) & 0xf; /* bits 3:0 */
}
-u8 *ar9003_get_spur_chan_ptr(struct ath_hw *ah, bool is_2ghz)
+u8 *ar9003_get_spur_chan_ptr(struct ath_hw *ah, bool is2ghz)
{
- struct ar9300_eeprom *eep = &ah->eeprom.ar9300_eep;
-
- if (is_2ghz)
- return eep->modalHeader2G.spurChans;
- else
- return eep->modalHeader5G.spurChans;
+ return ar9003_modal_header(ah, is2ghz)->spurChans;
}
unsigned int ar9003_get_paprd_scale_factor(struct ath_hw *ah,
--- a/drivers/net/wireless/ath/ath9k/eeprom.h
+++ b/drivers/net/wireless/ath/ath9k/eeprom.h
@@ -241,16 +241,12 @@ enum eeprom_param {
EEP_TEMPSENSE_SLOPE,
EEP_TEMPSENSE_SLOPE_PAL_ON,
EEP_PWR_TABLE_OFFSET,
- EEP_DRIVE_STRENGTH,
- EEP_INTERNAL_REGULATOR,
- EEP_SWREG,
EEP_PAPRD,
EEP_MODAL_VER,
EEP_ANT_DIV_CTL1,
EEP_CHAIN_MASK_REDUCE,
EEP_ANTENNA_GAIN_2G,
EEP_ANTENNA_GAIN_5G,
- EEP_QUICK_DROP
};
enum ar5416_rates {
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