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ath9k_hw: store the clock rate in common data on channel changes

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Signed-off-by: Felix Fietkau <nbd@openwrt.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Felix Fietkau 2010-10-08 22:13:51 +02:00 committed by John W. Linville
parent 62c58fb431
commit dfdac8ac03
3 changed files with 23 additions and 37 deletions
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2
drivers/net/wireless/ath/ath.h
View file

@ -145,6 +145,8 @@ struct ath_common {
DECLARE_BITMAP(tkip_keymap, ATH_KEYMAX);
enum ath_crypt_caps crypt_caps;
unsigned int clockrate;
struct ath_regulatory regulatory;
const struct ath_ops *ops;
const struct ath_bus_ops *bus_ops;

26
drivers/net/wireless/ath/ath9k/ani.c
View file

@ -465,35 +465,13 @@ static void ath9k_hw_ani_lower_immunity(struct ath_hw *ah)
ath9k_hw_set_cck_nil(ah, aniState->cckNoiseImmunityLevel - 1);
}
static u8 ath9k_hw_chan_2_clockrate_mhz(struct ath_hw *ah)
{
struct ath9k_channel *chan = ah->curchan;
struct ieee80211_conf *conf = &ath9k_hw_common(ah)->hw->conf;
u8 clockrate; /* in MHz */
if (!ah->curchan) /* should really check for CCK instead */
clockrate = ATH9K_CLOCK_RATE_CCK;
else if (conf->channel->band == IEEE80211_BAND_2GHZ)
clockrate = ATH9K_CLOCK_RATE_2GHZ_OFDM;
else if (IS_CHAN_A_FAST_CLOCK(ah, chan))
clockrate = ATH9K_CLOCK_FAST_RATE_5GHZ_OFDM;
else
clockrate = ATH9K_CLOCK_RATE_5GHZ_OFDM;
if (conf_is_ht40(conf))
return clockrate * 2;
return clockrate;
}
static int32_t ath9k_hw_ani_get_listen_time(struct ath_hw *ah)
{
struct ath_common *common = ath9k_hw_common(ah);
int32_t listen_time;
int32_t clock_rate;
ath9k_hw_update_cycle_counters(ah);
clock_rate = ath9k_hw_chan_2_clockrate_mhz(ah) * 1000;
listen_time = ah->listen_time / clock_rate;
listen_time = ah->listen_time / (common->clockrate * 1000);
ah->listen_time = 0;
return listen_time;

32
drivers/net/wireless/ath/ath9k/hw.c
View file

@ -88,29 +88,32 @@ static void ath9k_hw_ani_cache_ini_regs(struct ath_hw *ah)
/* Helper Functions */
/********************/
static u32 ath9k_hw_mac_clks(struct ath_hw *ah, u32 usecs)
static void ath9k_hw_set_clockrate(struct ath_hw *ah)
{
struct ieee80211_conf *conf = &ath9k_hw_common(ah)->hw->conf;
struct ath_common *common = ath9k_hw_common(ah);
unsigned int clockrate;
if (!ah->curchan) /* should really check for CCK instead */
return usecs *ATH9K_CLOCK_RATE_CCK;
if (conf->channel->band == IEEE80211_BAND_2GHZ)
return usecs *ATH9K_CLOCK_RATE_2GHZ_OFDM;
if (ah->caps.hw_caps & ATH9K_HW_CAP_FASTCLOCK)
return usecs * ATH9K_CLOCK_FAST_RATE_5GHZ_OFDM;
clockrate = ATH9K_CLOCK_RATE_CCK;
else if (conf->channel->band == IEEE80211_BAND_2GHZ)
clockrate = ATH9K_CLOCK_RATE_2GHZ_OFDM;
else if (ah->caps.hw_caps & ATH9K_HW_CAP_FASTCLOCK)
clockrate = ATH9K_CLOCK_FAST_RATE_5GHZ_OFDM;
else
return usecs * ATH9K_CLOCK_RATE_5GHZ_OFDM;
clockrate = ATH9K_CLOCK_RATE_5GHZ_OFDM;
if (conf_is_ht40(conf))
clockrate *= 2;
common->clockrate = clockrate;
}
static u32 ath9k_hw_mac_to_clks(struct ath_hw *ah, u32 usecs)
{
struct ieee80211_conf *conf = &ath9k_hw_common(ah)->hw->conf;
struct ath_common *common = ath9k_hw_common(ah);
if (conf_is_ht40(conf))
return ath9k_hw_mac_clks(ah, usecs) * 2;
else
return ath9k_hw_mac_clks(ah, usecs);
return usecs * common->clockrate;
}
bool ath9k_hw_wait(struct ath_hw *ah, u32 reg, u32 mask, u32 val, u32 timeout)
@ -1156,6 +1159,7 @@ static bool ath9k_hw_channel_change(struct ath_hw *ah,
"Failed to set channel\n");
return false;
}
ath9k_hw_set_clockrate(ah);
ah->eep_ops->set_txpower(ah, chan,
ath9k_regd_get_ctl(regulatory, chan),
@ -1368,6 +1372,8 @@ int ath9k_hw_reset(struct ath_hw *ah, struct ath9k_channel *chan,
if (r)
return r;
ath9k_hw_set_clockrate(ah);
ENABLE_REGWRITE_BUFFER(ah);
for (i = 0; i < AR_NUM_DCU; i++)