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ath9k: Move regulatory information to a separate structure
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Signed-off-by: Sujith <Sujith.Manoharan@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Sujith authored and John W. Linville committed Feb 13, 2009
1 parent d535a42 commit d6bad49
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Showing 6 changed files with 66 additions and 61 deletions.
16 changes: 8 additions & 8 deletions drivers/net/wireless/ath9k/eeprom.c
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Original file line number Diff line number Diff line change
Expand Up @@ -1232,9 +1232,9 @@ static bool ath9k_hw_set_def_power_per_rate_table(struct ath_hal *ah,

maxRegAllowedPower = twiceMaxRegulatoryPower + twiceLargestAntenna;

if (ah->ah_tpScale != ATH9K_TP_SCALE_MAX) {
if (ah->regulatory.tp_scale != ATH9K_TP_SCALE_MAX) {
maxRegAllowedPower -=
(tpScaleReductionTable[(ah->ah_tpScale)] * 2);
(tpScaleReductionTable[(ah->regulatory.tp_scale)] * 2);
}

scaledPower = min(powerLimit, maxRegAllowedPower);
Expand Down Expand Up @@ -1510,9 +1510,9 @@ static bool ath9k_hw_set_4k_power_per_rate_table(struct ath_hal *ah,

maxRegAllowedPower = twiceMaxRegulatoryPower + twiceLargestAntenna;

if (ah->ah_tpScale != ATH9K_TP_SCALE_MAX) {
if (ah->regulatory.tp_scale != ATH9K_TP_SCALE_MAX) {
maxRegAllowedPower -=
(tpScaleReductionTable[(ah->ah_tpScale)] * 2);
(tpScaleReductionTable[(ah->regulatory.tp_scale)] * 2);
}

scaledPower = min(powerLimit, maxRegAllowedPower);
Expand Down Expand Up @@ -1823,10 +1823,10 @@ static int ath9k_hw_def_set_txpower(struct ath_hal *ah,
i = rateHt20_0;

if (AR_SREV_9280_10_OR_LATER(ah))
ah->ah_maxPowerLevel =
ah->regulatory.max_power_level =
ratesArray[i] + AR5416_PWR_TABLE_OFFSET * 2;
else
ah->ah_maxPowerLevel = ratesArray[i];
ah->regulatory.max_power_level = ratesArray[i];

return 0;
}
Expand Down Expand Up @@ -1951,10 +1951,10 @@ static int ath9k_hw_4k_set_txpower(struct ath_hal *ah,
i = rateHt20_0;

if (AR_SREV_9280_10_OR_LATER(ah))
ah->ah_maxPowerLevel =
ah->regulatory.max_power_level =
ratesArray[i] + AR5416_PWR_TABLE_OFFSET * 2;
else
ah->ah_maxPowerLevel = ratesArray[i];
ah->regulatory.max_power_level = ratesArray[i];

return 0;
}
Expand Down
37 changes: 19 additions & 18 deletions drivers/net/wireless/ath9k/hw.c
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Original file line number Diff line number Diff line change
Expand Up @@ -409,7 +409,7 @@ static struct ath_hal_5416 *ath9k_hw_newstate(u16 devid,
ah->ah_sc = sc;
ah->ah_sh = mem;
ah->hw_version.magic = AR5416_MAGIC;
ah->ah_countryCode = CTRY_DEFAULT;
ah->regulatory.country_code = CTRY_DEFAULT;
ah->hw_version.devid = devid;
ah->hw_version.subvendorid = 0;

Expand All @@ -419,8 +419,8 @@ static struct ath_hal_5416 *ath9k_hw_newstate(u16 devid,
if (!AR_SREV_9100(ah))
ah->ah_flags = AH_USE_EEPROM;

ah->ah_powerLimit = MAX_RATE_POWER;
ah->ah_tpScale = ATH9K_TP_SCALE_MAX;
ah->regulatory.power_limit = MAX_RATE_POWER;
ah->regulatory.tp_scale = ATH9K_TP_SCALE_MAX;
ahp->ah_atimWindow = 0;
ahp->ah_diversityControl = ah->ah_config.diversity_control;
ahp->ah_antennaSwitchSwap =
Expand Down Expand Up @@ -1337,7 +1337,7 @@ static int ath9k_hw_process_ini(struct ath_hal *ah,
channel->max_antenna_gain * 2,
channel->max_power * 2,
min((u32) MAX_RATE_POWER,
(u32) ah->ah_powerLimit));
(u32) ah->regulatory.power_limit));
if (status != 0) {
DPRINTF(ah->ah_sc, ATH_DBG_POWER_MGMT,
"error init'ing transmit power\n");
Expand Down Expand Up @@ -1668,7 +1668,7 @@ static bool ath9k_hw_channel_change(struct ath_hal *ah,
channel->max_antenna_gain * 2,
channel->max_power * 2,
min((u32) MAX_RATE_POWER,
(u32) ah->ah_powerLimit)) != 0) {
(u32) ah->regulatory.power_limit)) != 0) {
DPRINTF(ah->ah_sc, ATH_DBG_EEPROM,
"error init'ing transmit power\n");
return false;
Expand Down Expand Up @@ -3136,21 +3136,22 @@ bool ath9k_hw_fill_cap_info(struct ath_hal *ah)

eeval = ath9k_hw_get_eeprom(ah, EEP_REG_0);

ah->ah_currentRD = eeval;
ah->regulatory.current_rd = eeval;

eeval = ath9k_hw_get_eeprom(ah, EEP_REG_1);
ah->ah_currentRDExt = eeval;
ah->regulatory.current_rd_ext = eeval;

capField = ath9k_hw_get_eeprom(ah, EEP_OP_CAP);

if (ah->ah_opmode != NL80211_IFTYPE_AP &&
ah->hw_version.subvendorid == AR_SUBVENDOR_ID_NEW_A) {
if (ah->ah_currentRD == 0x64 || ah->ah_currentRD == 0x65)
ah->ah_currentRD += 5;
else if (ah->ah_currentRD == 0x41)
ah->ah_currentRD = 0x43;
if (ah->regulatory.current_rd == 0x64 ||
ah->regulatory.current_rd == 0x65)
ah->regulatory.current_rd += 5;
else if (ah->regulatory.current_rd == 0x41)
ah->regulatory.current_rd = 0x43;
DPRINTF(ah->ah_sc, ATH_DBG_REGULATORY,
"regdomain mapped to 0x%x\n", ah->ah_currentRD);
"regdomain mapped to 0x%x\n", ah->regulatory.current_rd);
}

eeval = ath9k_hw_get_eeprom(ah, EEP_OP_MODE);
Expand Down Expand Up @@ -3292,7 +3293,7 @@ bool ath9k_hw_fill_cap_info(struct ath_hal *ah)
else
pCap->hw_caps |= ATH9K_HW_CAP_4KB_SPLITTRANS;

if (ah->ah_currentRDExt & (1 << REG_EXT_JAPAN_MIDBAND)) {
if (ah->regulatory.current_rd_ext & (1 << REG_EXT_JAPAN_MIDBAND)) {
pCap->reg_cap =
AR_EEPROM_EEREGCAP_EN_KK_NEW_11A |
AR_EEPROM_EEREGCAP_EN_KK_U1_EVEN |
Expand Down Expand Up @@ -3392,13 +3393,13 @@ bool ath9k_hw_getcapability(struct ath_hal *ah, enum ath9k_capability_type type,
case 0:
return 0;
case 1:
*result = ah->ah_powerLimit;
*result = ah->regulatory.power_limit;
return 0;
case 2:
*result = ah->ah_maxPowerLevel;
*result = ah->regulatory.max_power_level;
return 0;
case 3:
*result = ah->ah_tpScale;
*result = ah->regulatory.tp_scale;
return 0;
}
return false;
Expand Down Expand Up @@ -3655,14 +3656,14 @@ bool ath9k_hw_set_txpowerlimit(struct ath_hal *ah, u32 limit)
struct ath9k_channel *chan = ah->ah_curchan;
struct ieee80211_channel *channel = chan->chan;

ah->ah_powerLimit = min(limit, (u32) MAX_RATE_POWER);
ah->regulatory.power_limit = min(limit, (u32) MAX_RATE_POWER);

if (ath9k_hw_set_txpower(ah, chan,
ath9k_regd_get_ctl(ah, chan),
channel->max_antenna_gain * 2,
channel->max_power * 2,
min((u32) MAX_RATE_POWER,
(u32) ah->ah_powerLimit)) != 0)
(u32) ah->regulatory.power_limit)) != 0)
return false;

return true;
Expand Down
12 changes: 2 additions & 10 deletions drivers/net/wireless/ath9k/hw.h
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Original file line number Diff line number Diff line change
Expand Up @@ -425,17 +425,9 @@ struct ath_hal {
enum nl80211_iftype ah_opmode;
struct ath9k_ops_config ah_config;
struct ath9k_hw_capabilities ah_caps;

u16 ah_countryCode;
struct ath9k_regulatory regulatory;
u32 ah_flags;
int16_t ah_powerLimit;
u16 ah_maxPowerLevel;
u32 ah_tpScale;
u16 ah_currentRD;
u16 ah_currentRDExt;
u16 ah_currentRDInUse;
char alpha2[2];
struct reg_dmn_pair_mapping *regpair;

enum ath9k_power_mode ah_power_mode;
enum ath9k_power_mode ah_restore_mode;

Expand Down
2 changes: 1 addition & 1 deletion drivers/net/wireless/ath9k/main.c
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Original file line number Diff line number Diff line change
Expand Up @@ -1659,7 +1659,7 @@ int ath_attach(u16 devid, struct ath_softc *sc)
error = ieee80211_register_hw(hw);

if (!ath9k_is_world_regd(sc->sc_ah))
regulatory_hint(hw->wiphy, sc->sc_ah->alpha2);
regulatory_hint(hw->wiphy, sc->sc_ah->regulatory.alpha2);

/* Initialize LED control */
ath_init_leds(sc);
Expand Down
48 changes: 24 additions & 24 deletions drivers/net/wireless/ath9k/regd.c
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Original file line number Diff line number Diff line change
Expand Up @@ -108,7 +108,7 @@ static const struct ieee80211_regdomain ath9k_world_regdom_67_68_6A = {

static u16 ath9k_regd_get_eepromRD(struct ath_hal *ah)
{
return ah->ah_currentRD & ~WORLDWIDE_ROAMING_FLAG;
return ah->regulatory.current_rd & ~WORLDWIDE_ROAMING_FLAG;
}

u16 ath9k_regd_get_rd(struct ath_hal *ah)
Expand All @@ -129,7 +129,7 @@ const struct ieee80211_regdomain *ath9k_default_world_regdomain(void)

const struct ieee80211_regdomain *ath9k_world_regdomain(struct ath_hal *ah)
{
switch (ah->regpair->regDmnEnum) {
switch (ah->regulatory.regpair->regDmnEnum) {
case 0x60:
case 0x61:
case 0x62:
Expand Down Expand Up @@ -284,7 +284,7 @@ void ath9k_reg_apply_world_flags(struct wiphy *wiphy, enum reg_set_by setby)
struct ath_softc *sc = hw->priv;
struct ath_hal *ah = sc->sc_ah;

switch (ah->regpair->regDmnEnum) {
switch (ah->regulatory.regpair->regDmnEnum) {
case 0x60:
case 0x63:
case 0x66:
Expand Down Expand Up @@ -413,30 +413,30 @@ int ath9k_regd_init(struct ath_hal *ah)
return -EINVAL;
}

ah->ah_countryCode = ath9k_regd_get_default_country(ah);
ah->regulatory.country_code = ath9k_regd_get_default_country(ah);

if (ah->ah_countryCode == CTRY_DEFAULT &&
if (ah->regulatory.country_code == CTRY_DEFAULT &&
ath9k_regd_get_eepromRD(ah) == CTRY_DEFAULT)
ah->ah_countryCode = CTRY_UNITED_STATES;
ah->regulatory.country_code = CTRY_UNITED_STATES;

if (ah->ah_countryCode == CTRY_DEFAULT) {
if (ah->regulatory.country_code == CTRY_DEFAULT) {
regdmn = ath9k_regd_get_eepromRD(ah);
country = NULL;
} else {
country = ath9k_regd_find_country(ah->ah_countryCode);
country = ath9k_regd_find_country(ah->regulatory.country_code);
if (country == NULL) {
DPRINTF(ah->ah_sc, ATH_DBG_REGULATORY,
"Country is NULL!!!!, cc= %d\n",
ah->ah_countryCode);
ah->regulatory.country_code);
return -EINVAL;
} else
regdmn = country->regDmnEnum;
}

ah->ah_currentRDInUse = regdmn;
ah->regpair = ath9k_get_regpair(regdmn);
ah->regulatory.current_rd_inuse = regdmn;
ah->regulatory.regpair = ath9k_get_regpair(regdmn);

if (!ah->regpair) {
if (!ah->regulatory.regpair) {
DPRINTF(ah->ah_sc, ATH_DBG_FATAL,
"No regulatory domain pair found, cannot continue\n");
return -EINVAL;
Expand All @@ -446,18 +446,18 @@ int ath9k_regd_init(struct ath_hal *ah)
country = ath9k_regd_find_country_by_rd(regdmn);

if (country) {
ah->alpha2[0] = country->isoName[0];
ah->alpha2[1] = country->isoName[1];
ah->regulatory.alpha2[0] = country->isoName[0];
ah->regulatory.alpha2[1] = country->isoName[1];
} else {
ah->alpha2[0] = '0';
ah->alpha2[1] = '0';
ah->regulatory.alpha2[0] = '0';
ah->regulatory.alpha2[1] = '0';
}

DPRINTF(ah->ah_sc, ATH_DBG_REGULATORY,
"Country alpha2 being used: %c%c\n"
"Regpair detected: 0x%0x\n",
ah->alpha2[0], ah->alpha2[1],
ah->regpair->regDmnEnum);
"Regulatory.Regpair detected: 0x%0x\n",
ah->regulatory.alpha2[0], ah->regulatory.alpha2[1],
ah->regulatory.regpair->regDmnEnum);

return 0;
}
Expand All @@ -466,8 +466,8 @@ u32 ath9k_regd_get_ctl(struct ath_hal *ah, struct ath9k_channel *chan)
{
u32 ctl = NO_CTL;

if (!ah->regpair ||
(ah->ah_countryCode == CTRY_DEFAULT && isWwrSKU(ah))) {
if (!ah->regulatory.regpair ||
(ah->regulatory.country_code == CTRY_DEFAULT && isWwrSKU(ah))) {
if (IS_CHAN_B(chan))
ctl = SD_NO_CTL | CTL_11B;
else if (IS_CHAN_G(chan))
Expand All @@ -478,11 +478,11 @@ u32 ath9k_regd_get_ctl(struct ath_hal *ah, struct ath9k_channel *chan)
}

if (IS_CHAN_B(chan))
ctl = ah->regpair->reg_2ghz_ctl | CTL_11B;
ctl = ah->regulatory.regpair->reg_2ghz_ctl | CTL_11B;
else if (IS_CHAN_G(chan))
ctl = ah->regpair->reg_5ghz_ctl | CTL_11G;
ctl = ah->regulatory.regpair->reg_5ghz_ctl | CTL_11G;
else
ctl = ah->regpair->reg_5ghz_ctl | CTL_11A;
ctl = ah->regulatory.regpair->reg_5ghz_ctl | CTL_11A;

return ctl;
}
12 changes: 12 additions & 0 deletions drivers/net/wireless/ath9k/regd.h
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Original file line number Diff line number Diff line change
Expand Up @@ -45,6 +45,18 @@ struct country_code_to_enum_rd {
const char *isoName;
};

struct ath9k_regulatory {
char alpha2[2];
u16 country_code;
u16 max_power_level;
u32 tp_scale;
u16 current_rd;
u16 current_rd_ext;
u16 current_rd_inuse;
int16_t power_limit;
struct reg_dmn_pair_mapping *regpair;
};

enum CountryCode {
CTRY_ALBANIA = 8,
CTRY_ALGERIA = 12,
Expand Down

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