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path: root/drivers/net/wireless/ath/ath9k/hw.c
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Diffstat (limited to 'drivers/net/wireless/ath/ath9k/hw.c')
-rw-r--r--drivers/net/wireless/ath/ath9k/hw.c128
1 files changed, 64 insertions, 64 deletions
diff --git a/drivers/net/wireless/ath/ath9k/hw.c b/drivers/net/wireless/ath/ath9k/hw.c
index ecc6ec4..54b0415 100644
--- a/drivers/net/wireless/ath/ath9k/hw.c
+++ b/drivers/net/wireless/ath/ath9k/hw.c
@@ -130,29 +130,29 @@ void ath9k_debug_sync_cause(struct ath_common *common, u32 sync_cause)
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);
+ struct ath9k_channel *chan = ah->curchan;
unsigned int clockrate;
/* AR9287 v1.3+ uses async FIFO and runs the MAC at 117 MHz */
if (AR_SREV_9287(ah) && AR_SREV_9287_13_OR_LATER(ah))
clockrate = 117;
- else if (!ah->curchan) /* should really check for CCK instead */
+ else if (!chan) /* should really check for CCK instead */
clockrate = ATH9K_CLOCK_RATE_CCK;
- else if (conf->chandef.chan->band == IEEE80211_BAND_2GHZ)
+ else if (IS_CHAN_2GHZ(chan))
clockrate = ATH9K_CLOCK_RATE_2GHZ_OFDM;
else if (ah->caps.hw_caps & ATH9K_HW_CAP_FASTCLOCK)
clockrate = ATH9K_CLOCK_FAST_RATE_5GHZ_OFDM;
else
clockrate = ATH9K_CLOCK_RATE_5GHZ_OFDM;
- if (conf_is_ht40(conf))
+ if (IS_CHAN_HT40(chan))
clockrate *= 2;
if (ah->curchan) {
- if (IS_CHAN_HALF_RATE(ah->curchan))
+ if (IS_CHAN_HALF_RATE(chan))
clockrate /= 2;
- if (IS_CHAN_QUARTER_RATE(ah->curchan))
+ if (IS_CHAN_QUARTER_RATE(chan))
clockrate /= 4;
}
@@ -190,10 +190,7 @@ EXPORT_SYMBOL(ath9k_hw_wait);
void ath9k_hw_synth_delay(struct ath_hw *ah, struct ath9k_channel *chan,
int hw_delay)
{
- if (IS_CHAN_B(chan))
- hw_delay = (4 * hw_delay) / 22;
- else
- hw_delay /= 10;
+ hw_delay /= 10;
if (IS_CHAN_HALF_RATE(chan))
hw_delay *= 2;
@@ -294,8 +291,7 @@ void ath9k_hw_get_channel_centers(struct ath_hw *ah,
return;
}
- if ((chan->chanmode == CHANNEL_A_HT40PLUS) ||
- (chan->chanmode == CHANNEL_G_HT40PLUS)) {
+ if (IS_CHAN_HT40PLUS(chan)) {
centers->synth_center =
chan->channel + HT40_CHANNEL_CENTER_SHIFT;
extoff = 1;
@@ -549,6 +545,18 @@ static int ath9k_hw_post_init(struct ath_hw *ah)
ath9k_hw_ani_init(ah);
+ /*
+ * EEPROM needs to be initialized before we do this.
+ * This is required for regulatory compliance.
+ */
+ if (AR_SREV_9462(ah) || AR_SREV_9565(ah)) {
+ u16 regdmn = ah->eep_ops->get_eeprom(ah, EEP_REG_0);
+ if ((regdmn & 0xF0) == CTL_FCC) {
+ ah->nf_2g.max = AR_PHY_CCA_MAX_GOOD_VAL_9462_FCC_2GHZ;
+ ah->nf_5g.max = AR_PHY_CCA_MAX_GOOD_VAL_9462_FCC_5GHZ;
+ }
+ }
+
return 0;
}
@@ -1030,7 +1038,6 @@ static bool ath9k_hw_set_global_txtimeout(struct ath_hw *ah, u32 tu)
void ath9k_hw_init_global_settings(struct ath_hw *ah)
{
struct ath_common *common = ath9k_hw_common(ah);
- struct ieee80211_conf *conf = &common->hw->conf;
const struct ath9k_channel *chan = ah->curchan;
int acktimeout, ctstimeout, ack_offset = 0;
int slottime;
@@ -1105,8 +1112,7 @@ void ath9k_hw_init_global_settings(struct ath_hw *ah)
* BA frames in some implementations, but it has been found to fix ACK
* timeout issues in other cases as well.
*/
- if (conf->chandef.chan &&
- conf->chandef.chan->band == IEEE80211_BAND_2GHZ &&
+ if (IS_CHAN_2GHZ(chan) &&
!IS_CHAN_HALF_RATE(chan) && !IS_CHAN_QUARTER_RATE(chan)) {
acktimeout += 64 - sifstime - ah->slottime;
ctstimeout += 48 - sifstime - ah->slottime;
@@ -1148,9 +1154,7 @@ u32 ath9k_regd_get_ctl(struct ath_regulatory *reg, struct ath9k_channel *chan)
{
u32 ctl = ath_regd_get_band_ctl(reg, chan->chan->band);
- if (IS_CHAN_B(chan))
- ctl |= CTL_11B;
- else if (IS_CHAN_G(chan))
+ if (IS_CHAN_2GHZ(chan))
ctl |= CTL_11G;
else
ctl |= CTL_11A;
@@ -1498,10 +1502,8 @@ static bool ath9k_hw_channel_change(struct ath_hw *ah,
int r;
if (pCap->hw_caps & ATH9K_HW_CAP_FCC_BAND_SWITCH) {
- u32 cur = ah->curchan->channelFlags & (CHANNEL_2GHZ | CHANNEL_5GHZ);
- u32 new = chan->channelFlags & (CHANNEL_2GHZ | CHANNEL_5GHZ);
- band_switch = (cur != new);
- mode_diff = (chan->chanmode != ah->curchan->chanmode);
+ band_switch = IS_CHAN_5GHZ(ah->curchan) != IS_CHAN_5GHZ(chan);
+ mode_diff = (chan->channelFlags != ah->curchan->channelFlags);
}
for (qnum = 0; qnum < AR_NUM_QCU; qnum++) {
@@ -1540,9 +1542,7 @@ static bool ath9k_hw_channel_change(struct ath_hw *ah,
ath9k_hw_set_clockrate(ah);
ath9k_hw_apply_txpower(ah, chan, false);
- if (IS_CHAN_OFDM(chan) || IS_CHAN_HT(chan))
- ath9k_hw_set_delta_slope(ah, chan);
-
+ ath9k_hw_set_delta_slope(ah, chan);
ath9k_hw_spur_mitigate_freq(ah, chan);
if (band_switch || ini_reloaded)
@@ -1644,6 +1644,19 @@ hang_check_iter:
return true;
}
+void ath9k_hw_check_nav(struct ath_hw *ah)
+{
+ struct ath_common *common = ath9k_hw_common(ah);
+ u32 val;
+
+ val = REG_READ(ah, AR_NAV);
+ if (val != 0xdeadbeef && val > 0x7fff) {
+ ath_dbg(common, BSTUCK, "Abnormal NAV: 0x%x\n", val);
+ REG_WRITE(ah, AR_NAV, 0);
+ }
+}
+EXPORT_SYMBOL(ath9k_hw_check_nav);
+
bool ath9k_hw_check_alive(struct ath_hw *ah)
{
int count = 50;
@@ -1799,20 +1812,11 @@ static int ath9k_hw_do_fastcc(struct ath_hw *ah, struct ath9k_channel *chan)
goto fail;
/*
- * If cross-band fcc is not supoprted, bail out if
- * either channelFlags or chanmode differ.
- *
- * chanmode will be different if the HT operating mode
- * changes because of CSA.
+ * If cross-band fcc is not supoprted, bail out if channelFlags differ.
*/
- if (!(pCap->hw_caps & ATH9K_HW_CAP_FCC_BAND_SWITCH)) {
- if ((chan->channelFlags & CHANNEL_ALL) !=
- (ah->curchan->channelFlags & CHANNEL_ALL))
- goto fail;
-
- if (chan->chanmode != ah->curchan->chanmode)
- goto fail;
- }
+ if (!(pCap->hw_caps & ATH9K_HW_CAP_FCC_BAND_SWITCH) &&
+ chan->channelFlags != ah->curchan->channelFlags)
+ goto fail;
if (!ath9k_hw_check_alive(ah))
goto fail;
@@ -1822,9 +1826,9 @@ static int ath9k_hw_do_fastcc(struct ath_hw *ah, struct ath9k_channel *chan)
* re-using are present.
*/
if (AR_SREV_9462(ah) && (ah->caldata &&
- (!ah->caldata->done_txiqcal_once ||
- !ah->caldata->done_txclcal_once ||
- !ah->caldata->rtt_done)))
+ (!test_bit(TXIQCAL_DONE, &ah->caldata->cal_flags) ||
+ !test_bit(TXCLCAL_DONE, &ah->caldata->cal_flags) ||
+ !test_bit(RTT_DONE, &ah->caldata->cal_flags))))
goto fail;
ath_dbg(common, RESET, "FastChannelChange for %d -> %d\n",
@@ -1874,15 +1878,14 @@ int ath9k_hw_reset(struct ath_hw *ah, struct ath9k_channel *chan,
ah->caldata = caldata;
if (caldata && (chan->channel != caldata->channel ||
- chan->channelFlags != caldata->channelFlags ||
- chan->chanmode != caldata->chanmode)) {
+ chan->channelFlags != caldata->channelFlags)) {
/* Operating channel changed, reset channel calibration data */
memset(caldata, 0, sizeof(*caldata));
ath9k_init_nfcal_hist_buffer(ah, chan);
} else if (caldata) {
- caldata->paprd_packet_sent = false;
+ clear_bit(PAPRD_PACKET_SENT, &caldata->cal_flags);
}
- ah->noise = ath9k_hw_getchan_noise(ah, chan);
+ ah->noise = ath9k_hw_getchan_noise(ah, chan, chan->noisefloor);
if (fastcc) {
r = ath9k_hw_do_fastcc(ah, chan);
@@ -1964,9 +1967,7 @@ int ath9k_hw_reset(struct ath_hw *ah, struct ath9k_channel *chan,
ath9k_hw_init_mfp(ah);
- if (IS_CHAN_OFDM(chan) || IS_CHAN_HT(chan))
- ath9k_hw_set_delta_slope(ah, chan);
-
+ ath9k_hw_set_delta_slope(ah, chan);
ath9k_hw_spur_mitigate_freq(ah, chan);
ah->eep_ops->set_board_values(ah, chan);
@@ -2017,8 +2018,8 @@ int ath9k_hw_reset(struct ath_hw *ah, struct ath9k_channel *chan,
ath9k_hw_init_bb(ah, chan);
if (caldata) {
- caldata->done_txiqcal_once = false;
- caldata->done_txclcal_once = false;
+ clear_bit(TXIQCAL_DONE, &caldata->cal_flags);
+ clear_bit(TXCLCAL_DONE, &caldata->cal_flags);
}
if (!ath9k_hw_init_cal(ah, chan))
return -EIO;
@@ -2943,12 +2944,11 @@ void ath9k_hw_set_tsfadjust(struct ath_hw *ah, bool set)
}
EXPORT_SYMBOL(ath9k_hw_set_tsfadjust);
-void ath9k_hw_set11nmac2040(struct ath_hw *ah)
+void ath9k_hw_set11nmac2040(struct ath_hw *ah, struct ath9k_channel *chan)
{
- struct ieee80211_conf *conf = &ath9k_hw_common(ah)->hw->conf;
u32 macmode;
- if (conf_is_ht40(conf) && !ah->config.cwm_ignore_extcca)
+ if (IS_CHAN_HT40(chan) && !ah->config.cwm_ignore_extcca)
macmode = AR_2040_JOINED_RX_CLEAR;
else
macmode = 0;
@@ -3240,19 +3240,19 @@ void ath9k_hw_name(struct ath_hw *ah, char *hw_name, size_t len)
/* chipsets >= AR9280 are single-chip */
if (AR_SREV_9280_20_OR_LATER(ah)) {
- used = snprintf(hw_name, len,
- "Atheros AR%s Rev:%x",
- ath9k_hw_mac_bb_name(ah->hw_version.macVersion),
- ah->hw_version.macRev);
+ used = scnprintf(hw_name, len,
+ "Atheros AR%s Rev:%x",
+ ath9k_hw_mac_bb_name(ah->hw_version.macVersion),
+ ah->hw_version.macRev);
}
else {
- used = snprintf(hw_name, len,
- "Atheros AR%s MAC/BB Rev:%x AR%s RF Rev:%x",
- ath9k_hw_mac_bb_name(ah->hw_version.macVersion),
- ah->hw_version.macRev,
- ath9k_hw_rf_name((ah->hw_version.analog5GhzRev &
- AR_RADIO_SREV_MAJOR)),
- ah->hw_version.phyRev);
+ used = scnprintf(hw_name, len,
+ "Atheros AR%s MAC/BB Rev:%x AR%s RF Rev:%x",
+ ath9k_hw_mac_bb_name(ah->hw_version.macVersion),
+ ah->hw_version.macRev,
+ ath9k_hw_rf_name((ah->hw_version.analog5GhzRev
+ & AR_RADIO_SREV_MAJOR)),
+ ah->hw_version.phyRev);
}
hw_name[used] = '\0';
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