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path: root/drivers/net/wireless/ath/ath9k/main.c
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Diffstat (limited to 'drivers/net/wireless/ath/ath9k/main.c')
-rw-r--r--drivers/net/wireless/ath/ath9k/main.c841
1 files changed, 619 insertions, 222 deletions
diff --git a/drivers/net/wireless/ath/ath9k/main.c b/drivers/net/wireless/ath/ath9k/main.c
index 52bed89063d..69cf702b18c 100644
--- a/drivers/net/wireless/ath/ath9k/main.c
+++ b/drivers/net/wireless/ath/ath9k/main.c
@@ -16,6 +16,7 @@
#include <linux/nl80211.h>
#include "ath9k.h"
+#include "btcoex.h"
static char *dev_info = "ath9k";
@@ -28,6 +29,10 @@ static int modparam_nohwcrypt;
module_param_named(nohwcrypt, modparam_nohwcrypt, int, 0444);
MODULE_PARM_DESC(nohwcrypt, "Disable hardware encryption");
+static unsigned int ath9k_debug = ATH_DBG_DEFAULT;
+module_param_named(debug, ath9k_debug, uint, 0);
+MODULE_PARM_DESC(debug, "Debugging mask");
+
/* We use the hw_value as an index into our private channel structure */
#define CHAN2G(_freq, _idx) { \
@@ -224,8 +229,9 @@ static void ath_setup_rates(struct ath_softc *sc, enum ieee80211_band band)
}
sband->n_bitrates++;
- DPRINTF(sc, ATH_DBG_CONFIG, "Rate: %2dMbps, ratecode: %2d\n",
- rate[i].bitrate / 10, rate[i].hw_value);
+ ath_print(ath9k_hw_common(sc->sc_ah), ATH_DBG_CONFIG,
+ "Rate: %2dMbps, ratecode: %2d\n",
+ rate[i].bitrate / 10, rate[i].hw_value);
}
}
@@ -242,6 +248,51 @@ static struct ath9k_channel *ath_get_curchannel(struct ath_softc *sc,
return channel;
}
+static bool ath9k_setpower(struct ath_softc *sc, enum ath9k_power_mode mode)
+{
+ unsigned long flags;
+ bool ret;
+
+ spin_lock_irqsave(&sc->sc_pm_lock, flags);
+ ret = ath9k_hw_setpower(sc->sc_ah, mode);
+ spin_unlock_irqrestore(&sc->sc_pm_lock, flags);
+
+ return ret;
+}
+
+void ath9k_ps_wakeup(struct ath_softc *sc)
+{
+ unsigned long flags;
+
+ spin_lock_irqsave(&sc->sc_pm_lock, flags);
+ if (++sc->ps_usecount != 1)
+ goto unlock;
+
+ ath9k_hw_setpower(sc->sc_ah, ATH9K_PM_AWAKE);
+
+ unlock:
+ spin_unlock_irqrestore(&sc->sc_pm_lock, flags);
+}
+
+void ath9k_ps_restore(struct ath_softc *sc)
+{
+ unsigned long flags;
+
+ spin_lock_irqsave(&sc->sc_pm_lock, flags);
+ if (--sc->ps_usecount != 0)
+ goto unlock;
+
+ if (sc->ps_enabled &&
+ !(sc->sc_flags & (SC_OP_WAIT_FOR_BEACON |
+ SC_OP_WAIT_FOR_CAB |
+ SC_OP_WAIT_FOR_PSPOLL_DATA |
+ SC_OP_WAIT_FOR_TX_ACK)))
+ ath9k_hw_setpower(sc->sc_ah, ATH9K_PM_NETWORK_SLEEP);
+
+ unlock:
+ spin_unlock_irqrestore(&sc->sc_pm_lock, flags);
+}
+
/*
* Set/change channels. If the channel is really being changed, it's done
* by reseting the chip. To accomplish this we must first cleanup any pending
@@ -251,6 +302,8 @@ int ath_set_channel(struct ath_softc *sc, struct ieee80211_hw *hw,
struct ath9k_channel *hchan)
{
struct ath_hw *ah = sc->sc_ah;
+ struct ath_common *common = ath9k_hw_common(ah);
+ struct ieee80211_conf *conf = &common->hw->conf;
bool fastcc = true, stopped;
struct ieee80211_channel *channel = hw->conf.channel;
int r;
@@ -280,19 +333,19 @@ int ath_set_channel(struct ath_softc *sc, struct ieee80211_hw *hw,
if (!stopped || (sc->sc_flags & SC_OP_FULL_RESET))
fastcc = false;
- DPRINTF(sc, ATH_DBG_CONFIG,
- "(%u MHz) -> (%u MHz), chanwidth: %d\n",
- sc->sc_ah->curchan->channel,
- channel->center_freq, sc->tx_chan_width);
+ ath_print(common, ATH_DBG_CONFIG,
+ "(%u MHz) -> (%u MHz), conf_is_ht40: %d\n",
+ sc->sc_ah->curchan->channel,
+ channel->center_freq, conf_is_ht40(conf));
spin_lock_bh(&sc->sc_resetlock);
r = ath9k_hw_reset(ah, hchan, fastcc);
if (r) {
- DPRINTF(sc, ATH_DBG_FATAL,
- "Unable to reset channel (%u Mhz) "
- "reset status %d\n",
- channel->center_freq, r);
+ ath_print(common, ATH_DBG_FATAL,
+ "Unable to reset channel (%u Mhz) "
+ "reset status %d\n",
+ channel->center_freq, r);
spin_unlock_bh(&sc->sc_resetlock);
goto ps_restore;
}
@@ -301,8 +354,8 @@ int ath_set_channel(struct ath_softc *sc, struct ieee80211_hw *hw,
sc->sc_flags &= ~SC_OP_FULL_RESET;
if (ath_startrecv(sc) != 0) {
- DPRINTF(sc, ATH_DBG_FATAL,
- "Unable to restart recv logic\n");
+ ath_print(common, ATH_DBG_FATAL,
+ "Unable to restart recv logic\n");
r = -EIO;
goto ps_restore;
}
@@ -327,6 +380,7 @@ static void ath_ani_calibrate(unsigned long data)
{
struct ath_softc *sc = (struct ath_softc *)data;
struct ath_hw *ah = sc->sc_ah;
+ struct ath_common *common = ath9k_hw_common(ah);
bool longcal = false;
bool shortcal = false;
bool aniflag = false;
@@ -353,7 +407,7 @@ static void ath_ani_calibrate(unsigned long data)
/* Long calibration runs independently of short calibration. */
if ((timestamp - sc->ani.longcal_timer) >= ATH_LONG_CALINTERVAL) {
longcal = true;
- DPRINTF(sc, ATH_DBG_ANI, "longcal @%lu\n", jiffies);
+ ath_print(common, ATH_DBG_ANI, "longcal @%lu\n", jiffies);
sc->ani.longcal_timer = timestamp;
}
@@ -361,7 +415,8 @@ static void ath_ani_calibrate(unsigned long data)
if (!sc->ani.caldone) {
if ((timestamp - sc->ani.shortcal_timer) >= short_cal_interval) {
shortcal = true;
- DPRINTF(sc, ATH_DBG_ANI, "shortcal @%lu\n", jiffies);
+ ath_print(common, ATH_DBG_ANI,
+ "shortcal @%lu\n", jiffies);
sc->ani.shortcal_timer = timestamp;
sc->ani.resetcal_timer = timestamp;
}
@@ -388,16 +443,21 @@ static void ath_ani_calibrate(unsigned long data)
/* Perform calibration if necessary */
if (longcal || shortcal) {
- sc->ani.caldone = ath9k_hw_calibrate(ah, ah->curchan,
- sc->rx_chainmask, longcal);
+ sc->ani.caldone =
+ ath9k_hw_calibrate(ah,
+ ah->curchan,
+ common->rx_chainmask,
+ longcal);
if (longcal)
sc->ani.noise_floor = ath9k_hw_getchan_noise(ah,
ah->curchan);
- DPRINTF(sc, ATH_DBG_ANI," calibrate chan %u/%x nf: %d\n",
- ah->curchan->channel, ah->curchan->channelFlags,
- sc->ani.noise_floor);
+ ath_print(common, ATH_DBG_ANI,
+ " calibrate chan %u/%x nf: %d\n",
+ ah->curchan->channel,
+ ah->curchan->channelFlags,
+ sc->ani.noise_floor);
}
}
@@ -439,17 +499,22 @@ static void ath_start_ani(struct ath_softc *sc)
*/
void ath_update_chainmask(struct ath_softc *sc, int is_ht)
{
+ struct ath_hw *ah = sc->sc_ah;
+ struct ath_common *common = ath9k_hw_common(ah);
+
if ((sc->sc_flags & SC_OP_SCANNING) || is_ht ||
- (sc->btcoex_info.btcoex_scheme != ATH_BTCOEX_CFG_NONE)) {
- sc->tx_chainmask = sc->sc_ah->caps.tx_chainmask;
- sc->rx_chainmask = sc->sc_ah->caps.rx_chainmask;
+ (ah->btcoex_hw.scheme != ATH_BTCOEX_CFG_NONE)) {
+ common->tx_chainmask = ah->caps.tx_chainmask;
+ common->rx_chainmask = ah->caps.rx_chainmask;
} else {
- sc->tx_chainmask = 1;
- sc->rx_chainmask = 1;
+ common->tx_chainmask = 1;
+ common->rx_chainmask = 1;
}
- DPRINTF(sc, ATH_DBG_CONFIG, "tx chmask: %d, rx chmask: %d\n",
- sc->tx_chainmask, sc->rx_chainmask);
+ ath_print(common, ATH_DBG_CONFIG,
+ "tx chmask: %d, rx chmask: %d\n",
+ common->tx_chainmask,
+ common->rx_chainmask);
}
static void ath_node_attach(struct ath_softc *sc, struct ieee80211_sta *sta)
@@ -478,6 +543,9 @@ static void ath_node_detach(struct ath_softc *sc, struct ieee80211_sta *sta)
static void ath9k_tasklet(unsigned long data)
{
struct ath_softc *sc = (struct ath_softc *)data;
+ struct ath_hw *ah = sc->sc_ah;
+ struct ath_common *common = ath9k_hw_common(ah);
+
u32 status = sc->intrstatus;
ath9k_ps_wakeup(sc);
@@ -502,16 +570,17 @@ static void ath9k_tasklet(unsigned long data)
* TSF sync does not look correct; remain awake to sync with
* the next Beacon.
*/
- DPRINTF(sc, ATH_DBG_PS, "TSFOOR - Sync with next Beacon\n");
+ ath_print(common, ATH_DBG_PS,
+ "TSFOOR - Sync with next Beacon\n");
sc->sc_flags |= SC_OP_WAIT_FOR_BEACON | SC_OP_BEACON_SYNC;
}
- if (sc->btcoex_info.btcoex_scheme == ATH_BTCOEX_CFG_3WIRE)
+ if (ah->btcoex_hw.scheme == ATH_BTCOEX_CFG_3WIRE)
if (status & ATH9K_INT_GENTIMER)
ath_gen_timer_isr(sc->sc_ah);
/* re-enable hardware interrupt */
- ath9k_hw_set_interrupts(sc->sc_ah, sc->imask);
+ ath9k_hw_set_interrupts(ah, sc->imask);
ath9k_ps_restore(sc);
}
@@ -602,7 +671,7 @@ irqreturn_t ath_isr(int irq, void *dev)
if (status & ATH9K_INT_TIM_TIMER) {
/* Clear RxAbort bit so that we can
* receive frames */
- ath9k_hw_setpower(ah, ATH9K_PM_AWAKE);
+ ath9k_setpower(sc, ATH9K_PM_AWAKE);
ath9k_hw_setrxabort(sc->sc_ah, 0);
sc->sc_flags |= SC_OP_WAIT_FOR_BEACON;
}
@@ -702,8 +771,8 @@ static int ath_setkey_tkip(struct ath_softc *sc, u16 keyix, const u8 *key,
memcpy(hk->kv_mic, key_txmic, sizeof(hk->kv_mic));
if (!ath9k_hw_set_keycache_entry(sc->sc_ah, keyix, hk, NULL)) {
/* TX MIC entry failed. No need to proceed further */
- DPRINTF(sc, ATH_DBG_FATAL,
- "Setting TX MIC Key Failed\n");
+ ath_print(ath9k_hw_common(sc->sc_ah), ATH_DBG_FATAL,
+ "Setting TX MIC Key Failed\n");
return 0;
}
@@ -890,6 +959,7 @@ static void ath_key_delete(struct ath_softc *sc, struct ieee80211_key_conf *key)
static void setup_ht_cap(struct ath_softc *sc,
struct ieee80211_sta_ht_cap *ht_info)
{
+ struct ath_common *common = ath9k_hw_common(sc->sc_ah);
u8 tx_streams, rx_streams;
ht_info->ht_supported = true;
@@ -903,12 +973,15 @@ static void setup_ht_cap(struct ath_softc *sc,
/* set up supported mcs set */
memset(&ht_info->mcs, 0, sizeof(ht_info->mcs));
- tx_streams = !(sc->tx_chainmask & (sc->tx_chainmask - 1)) ? 1 : 2;
- rx_streams = !(sc->rx_chainmask & (sc->rx_chainmask - 1)) ? 1 : 2;
+ tx_streams = !(common->tx_chainmask & (common->tx_chainmask - 1)) ?
+ 1 : 2;
+ rx_streams = !(common->rx_chainmask & (common->rx_chainmask - 1)) ?
+ 1 : 2;
if (tx_streams != rx_streams) {
- DPRINTF(sc, ATH_DBG_CONFIG, "TX streams %d, RX streams: %d\n",
- tx_streams, rx_streams);
+ ath_print(common, ATH_DBG_CONFIG,
+ "TX streams %d, RX streams: %d\n",
+ tx_streams, rx_streams);
ht_info->mcs.tx_params |= IEEE80211_HT_MCS_TX_RX_DIFF;
ht_info->mcs.tx_params |= ((tx_streams - 1) <<
IEEE80211_HT_MCS_TX_MAX_STREAMS_SHIFT);
@@ -925,14 +998,17 @@ static void ath9k_bss_assoc_info(struct ath_softc *sc,
struct ieee80211_vif *vif,
struct ieee80211_bss_conf *bss_conf)
{
+ struct ath_hw *ah = sc->sc_ah;
+ struct ath_common *common = ath9k_hw_common(ah);
if (bss_conf->assoc) {
- DPRINTF(sc, ATH_DBG_CONFIG, "Bss Info ASSOC %d, bssid: %pM\n",
- bss_conf->aid, sc->curbssid);
+ ath_print(common, ATH_DBG_CONFIG,
+ "Bss Info ASSOC %d, bssid: %pM\n",
+ bss_conf->aid, common->curbssid);
/* New association, store aid */
- sc->curaid = bss_conf->aid;
- ath9k_hw_write_associd(sc);
+ common->curaid = bss_conf->aid;
+ ath9k_hw_write_associd(ah);
/*
* Request a re-configuration of Beacon related timers
@@ -949,8 +1025,8 @@ static void ath9k_bss_assoc_info(struct ath_softc *sc,
ath_start_ani(sc);
} else {
- DPRINTF(sc, ATH_DBG_CONFIG, "Bss Info DISASSOC\n");
- sc->curaid = 0;
+ ath_print(common, ATH_DBG_CONFIG, "Bss Info DISASSOC\n");
+ common->curaid = 0;
/* Stop ANI */
del_timer_sync(&sc->ani.timer);
}
@@ -1042,8 +1118,8 @@ static int ath_register_led(struct ath_softc *sc, struct ath_led *led,
ret = led_classdev_register(wiphy_dev(sc->hw->wiphy), &led->led_cdev);
if (ret)
- DPRINTF(sc, ATH_DBG_FATAL,
- "Failed to register led:%s", led->name);
+ ath_print(ath9k_hw_common(sc->sc_ah), ATH_DBG_FATAL,
+ "Failed to register led:%s", led->name);
else
led->registered = 1;
return ret;
@@ -1127,6 +1203,7 @@ fail:
void ath_radio_enable(struct ath_softc *sc)
{
struct ath_hw *ah = sc->sc_ah;
+ struct ath_common *common = ath9k_hw_common(ah);
struct ieee80211_channel *channel = sc->hw->conf.channel;
int r;
@@ -1139,17 +1216,17 @@ void ath_radio_enable(struct ath_softc *sc)
spin_lock_bh(&sc->sc_resetlock);
r = ath9k_hw_reset(ah, ah->curchan, false);
if (r) {
- DPRINTF(sc, ATH_DBG_FATAL,
- "Unable to reset channel %u (%uMhz) ",
- "reset status %d\n",
- channel->center_freq, r);
+ ath_print(common, ATH_DBG_FATAL,
+ "Unable to reset channel %u (%uMhz) ",
+ "reset status %d\n",
+ channel->center_freq, r);
}
spin_unlock_bh(&sc->sc_resetlock);
ath_update_txpow(sc);
if (ath_startrecv(sc) != 0) {
- DPRINTF(sc, ATH_DBG_FATAL,
- "Unable to restart recv logic\n");
+ ath_print(common, ATH_DBG_FATAL,
+ "Unable to restart recv logic\n");
return;
}
@@ -1194,17 +1271,17 @@ void ath_radio_disable(struct ath_softc *sc)
spin_lock_bh(&sc->sc_resetlock);
r = ath9k_hw_reset(ah, ah->curchan, false);
if (r) {
- DPRINTF(sc, ATH_DBG_FATAL,
- "Unable to reset channel %u (%uMhz) "
- "reset status %d\n",
- channel->center_freq, r);
+ ath_print(ath9k_hw_common(sc->sc_ah), ATH_DBG_FATAL,
+ "Unable to reset channel %u (%uMhz) "
+ "reset status %d\n",
+ channel->center_freq, r);
}
spin_unlock_bh(&sc->sc_resetlock);
ath9k_hw_phy_disable(ah);
ath9k_hw_configpcipowersave(ah, 1, 1);
ath9k_ps_restore(sc);
- ath9k_hw_setpower(ah, ATH9K_PM_FULL_SLEEP);
+ ath9k_setpower(sc, ATH9K_PM_FULL_SLEEP);
}
/*******************/
@@ -1236,23 +1313,26 @@ static void ath_start_rfkill_poll(struct ath_softc *sc)
wiphy_rfkill_start_polling(sc->hw->wiphy);
}
-void ath_cleanup(struct ath_softc *sc)
+static void ath9k_uninit_hw(struct ath_softc *sc)
{
- ath_detach(sc);
- free_irq(sc->irq, sc);
- ath_bus_cleanup(sc);
- kfree(sc->sec_wiphy);
- ieee80211_free_hw(sc->hw);
+ struct ath_hw *ah = sc->sc_ah;
+
+ BUG_ON(!ah);
+
+ ath9k_exit_debug(ah);
+ ath9k_hw_detach(ah);
+ sc->sc_ah = NULL;
}
-void ath_detach(struct ath_softc *sc)
+static void ath_clean_core(struct ath_softc *sc)
{
struct ieee80211_hw *hw = sc->hw;
+ struct ath_hw *ah = sc->sc_ah;
int i = 0;
ath9k_ps_wakeup(sc);
- DPRINTF(sc, ATH_DBG_CONFIG, "Detach ATH hw\n");
+ dev_dbg(sc->dev, "Detach ATH hw\n");
ath_deinit_leds(sc);
wiphy_rfkill_stop_polling(sc->hw->wiphy);
@@ -1273,20 +1353,36 @@ void ath_detach(struct ath_softc *sc)
tasklet_kill(&sc->bcon_tasklet);
if (!(sc->sc_flags & SC_OP_INVALID))
- ath9k_hw_setpower(sc->sc_ah, ATH9K_PM_AWAKE);
+ ath9k_setpower(sc, ATH9K_PM_AWAKE);
/* cleanup tx queues */
for (i = 0; i < ATH9K_NUM_TX_QUEUES; i++)
if (ATH_TXQ_SETUP(sc, i))
ath_tx_cleanupq(sc, &sc->tx.txq[i]);
- if ((sc->btcoex_info.no_stomp_timer) &&
- sc->btcoex_info.btcoex_scheme == ATH_BTCOEX_CFG_3WIRE)
- ath_gen_timer_free(sc->sc_ah, sc->btcoex_info.no_stomp_timer);
+ if ((sc->btcoex.no_stomp_timer) &&
+ ah->btcoex_hw.scheme == ATH_BTCOEX_CFG_3WIRE)
+ ath_gen_timer_free(ah, sc->btcoex.no_stomp_timer);
+}
- ath9k_hw_detach(sc->sc_ah);
- sc->sc_ah = NULL;
- ath9k_exit_debug(sc);
+void ath_detach(struct ath_softc *sc)
+{
+ ath_clean_core(sc);
+ ath9k_uninit_hw(sc);
+}
+
+void ath_cleanup(struct ath_softc *sc)
+{
+ struct ath_hw *ah = sc->sc_ah;
+ struct ath_common *common = ath9k_hw_common(ah);
+
+ ath_clean_core(sc);
+ free_irq(sc->irq, sc);
+ ath_bus_cleanup(common);
+ kfree(sc->sec_wiphy);
+ ieee80211_free_hw(sc->hw);
+
+ ath9k_uninit_hw(sc);
}
static int ath9k_reg_notifier(struct wiphy *wiphy,
@@ -1295,29 +1391,245 @@ static int ath9k_reg_notifier(struct wiphy *wiphy,
struct ieee80211_hw *hw = wiphy_to_ieee80211_hw(wiphy);
struct ath_wiphy *aphy = hw->priv;
struct ath_softc *sc = aphy->sc;
- struct ath_regulatory *reg = &sc->common.regulatory;
+ struct ath_regulatory *reg = ath9k_hw_regulatory(sc->sc_ah);
return ath_reg_notifier_apply(wiphy, request, reg);
}
/*
+ * Detects if there is any priority bt traffic
+ */
+static void ath_detect_bt_priority(struct ath_softc *sc)
+{
+ struct ath_btcoex *btcoex = &sc->btcoex;
+ struct ath_hw *ah = sc->sc_ah;
+
+ if (ath9k_hw_gpio_get(sc->sc_ah, ah->btcoex_hw.btpriority_gpio))
+ btcoex->bt_priority_cnt++;
+
+ if (time_after(jiffies, btcoex->bt_priority_time +
+ msecs_to_jiffies(ATH_BT_PRIORITY_TIME_THRESHOLD))) {
+ if (btcoex->bt_priority_cnt >= ATH_BT_CNT_THRESHOLD) {
+ ath_print(ath9k_hw_common(sc->sc_ah), ATH_DBG_BTCOEX,
+ "BT priority traffic detected");
+ sc->sc_flags |= SC_OP_BT_PRIORITY_DETECTED;
+ } else {
+ sc->sc_flags &= ~SC_OP_BT_PRIORITY_DETECTED;
+ }
+
+ btcoex->bt_priority_cnt = 0;
+ btcoex->bt_priority_time = jiffies;
+ }
+}
+
+/*
+ * Configures appropriate weight based on stomp type.
+ */
+static void ath9k_btcoex_bt_stomp(struct ath_softc *sc,
+ enum ath_stomp_type stomp_type)
+{
+ struct ath_hw *ah = sc->sc_ah;
+
+ switch (stomp_type) {
+ case ATH_BTCOEX_STOMP_ALL:
+ ath9k_hw_btcoex_set_weight(ah, AR_BT_COEX_WGHT,
+ AR_STOMP_ALL_WLAN_WGHT);
+ break;
+ case ATH_BTCOEX_STOMP_LOW:
+ ath9k_hw_btcoex_set_weight(ah, AR_BT_COEX_WGHT,
+ AR_STOMP_LOW_WLAN_WGHT);
+ break;
+ case ATH_BTCOEX_STOMP_NONE:
+ ath9k_hw_btcoex_set_weight(ah, AR_BT_COEX_WGHT,
+ AR_STOMP_NONE_WLAN_WGHT);
+ break;
+ default:
+ ath_print(ath9k_hw_common(ah), ATH_DBG_BTCOEX,
+ "Invalid Stomptype\n");
+ break;
+ }
+
+ ath9k_hw_btcoex_enable(ah);
+}
+
+static void ath9k_gen_timer_start(struct ath_hw *ah,
+ struct ath_gen_timer *timer,
+ u32 timer_next,
+ u32 timer_period)
+{
+ struct ath_common *common = ath9k_hw_common(ah);
+ struct ath_softc *sc = (struct ath_softc *) common->priv;
+
+ ath9k_hw_gen_timer_start(ah, timer, timer_next, timer_period);
+
+ if ((sc->imask & ATH9K_INT_GENTIMER) == 0) {
+ ath9k_hw_set_interrupts(ah, 0);
+ sc->imask |= ATH9K_INT_GENTIMER;
+ ath9k_hw_set_interrupts(ah, sc->imask);
+ }
+}
+
+static void ath9k_gen_timer_stop(struct ath_hw *ah, struct ath_gen_timer *timer)
+{
+ struct ath_common *common = ath9k_hw_common(ah);
+ struct ath_softc *sc = (struct ath_softc *) common->priv;
+ struct ath_gen_timer_table *timer_table = &ah->hw_gen_timers;
+
+ ath9k_hw_gen_timer_stop(ah, timer);
+
+ /* if no timer is enabled, turn off interrupt mask */
+ if (timer_table->timer_mask.val == 0) {
+ ath9k_hw_set_interrupts(ah, 0);
+ sc->imask &= ~ATH9K_INT_GENTIMER;
+ ath9k_hw_set_interrupts(ah, sc->imask);
+ }
+}
+
+/*
+ * This is the master bt coex timer which runs for every
+ * 45ms, bt traffic will be given priority during 55% of this
+ * period while wlan gets remaining 45%
+ */
+static void ath_btcoex_period_timer(unsigned long data)
+{
+ struct ath_softc *sc = (struct ath_softc *) data;
+ struct ath_hw *ah = sc->sc_ah;
+ struct ath_btcoex *btcoex = &sc->btcoex;
+
+ ath_detect_bt_priority(sc);
+
+ spin_lock_bh(&btcoex->btcoex_lock);
+
+ ath9k_btcoex_bt_stomp(sc, btcoex->bt_stomp_type);
+
+ spin_unlock_bh(&btcoex->btcoex_lock);
+
+ if (btcoex->btcoex_period != btcoex->btcoex_no_stomp) {
+ if (btcoex->hw_timer_enabled)
+ ath9k_gen_timer_stop(ah, btcoex->no_stomp_timer);
+
+ ath9k_gen_timer_start(ah,
+ btcoex->no_stomp_timer,
+ (ath9k_hw_gettsf32(ah) +
+ btcoex->btcoex_no_stomp),
+ btcoex->btcoex_no_stomp * 10);
+ btcoex->hw_timer_enabled = true;
+ }
+
+ mod_timer(&btcoex->period_timer, jiffies +
+ msecs_to_jiffies(ATH_BTCOEX_DEF_BT_PERIOD));
+}
+
+/*
+ * Generic tsf based hw timer which configures weight
+ * registers to time slice between wlan and bt traffic
+ */
+static void ath_btcoex_no_stomp_timer(void *arg)
+{
+ struct ath_softc *sc = (struct ath_softc *)arg;
+ struct ath_hw *ah = sc->sc_ah;
+ struct ath_btcoex *btcoex = &sc->btcoex;
+
+ ath_print(ath9k_hw_common(ah), ATH_DBG_BTCOEX,
+ "no stomp timer running \n");
+
+ spin_lock_bh(&btcoex->btcoex_lock);
+
+ if (btcoex->bt_stomp_type == ATH_BTCOEX_STOMP_LOW)
+ ath9k_btcoex_bt_stomp(sc, ATH_BTCOEX_STOMP_NONE);
+ else if (btcoex->bt_stomp_type == ATH_BTCOEX_STOMP_ALL)
+ ath9k_btcoex_bt_stomp(sc, ATH_BTCOEX_STOMP_LOW);
+
+ spin_unlock_bh(&btcoex->btcoex_lock);
+}
+
+static int ath_init_btcoex_timer(struct ath_softc *sc)
+{
+ struct ath_btcoex *btcoex = &sc->btcoex;
+
+ btcoex->btcoex_period = ATH_BTCOEX_DEF_BT_PERIOD * 1000;
+ btcoex->btcoex_no_stomp = (100 - ATH_BTCOEX_DEF_DUTY_CYCLE) *
+ btcoex->btcoex_period / 100;
+
+ setup_timer(&btcoex->period_timer, ath_btcoex_period_timer,
+ (unsigned long) sc);
+
+ spin_lock_init(&btcoex->btcoex_lock);
+
+ btcoex->no_stomp_timer = ath_gen_timer_alloc(sc->sc_ah,
+ ath_btcoex_no_stomp_timer,
+ ath_btcoex_no_stomp_timer,
+ (void *) sc, AR_FIRST_NDP_TIMER);
+
+ if (!btcoex->no_stomp_timer)
+ return -ENOMEM;
+
+ return 0;
+}
+
+/*
+ * Read and write, they both share the same lock. We do this to serialize
+ * reads and writes on Atheros 802.11n PCI devices only. This is required
+ * as the FIFO on these devices can only accept sanely 2 requests. After
+ * that the device goes bananas. Serializing the reads/writes prevents this
+ * from happening.
+ */
+
+static void ath9k_iowrite32(void *hw_priv, u32 val, u32 reg_offset)
+{
+ struct ath_hw *ah = (struct ath_hw *) hw_priv;
+ struct ath_common *common = ath9k_hw_common(ah);
+ struct ath_softc *sc = (struct ath_softc *) common->priv;
+
+ if (ah->config.serialize_regmode == SER_REG_MODE_ON) {
+ unsigned long flags;
+ spin_lock_irqsave(&sc->sc_serial_rw, flags);
+ iowrite32(val, sc->mem + reg_offset);
+ spin_unlock_irqrestore(&sc->sc_serial_rw, flags);
+ } else
+ iowrite32(val, sc->mem + reg_offset);
+}
+
+static unsigned int ath9k_ioread32(void *hw_priv, u32 reg_offset)
+{
+ struct ath_hw *ah = (struct ath_hw *) hw_priv;
+ struct ath_common *common = ath9k_hw_common(ah);
+ struct ath_softc *sc = (struct ath_softc *) common->priv;
+ u32 val;
+
+ if (ah->config.serialize_regmode == SER_REG_MODE_ON) {
+ unsigned long flags;
+ spin_lock_irqsave(&sc->sc_serial_rw, flags);
+ val = ioread32(sc->mem + reg_offset);
+ spin_unlock_irqrestore(&sc->sc_serial_rw, flags);
+ } else
+ val = ioread32(sc->mem + reg_offset);
+ return val;
+}
+
+static const struct ath_ops ath9k_common_ops = {
+ .read = ath9k_ioread32,
+ .write = ath9k_iowrite32,
+};
+
+/*
* Initialize and fill ath_softc, ath_sofct is the
* "Software Carrier" struct. Historically it has existed
* to allow the separation between hardware specific
* variables (now in ath_hw) and driver specific variables.
*/
-static int ath_init_softc(u16 devid, struct ath_softc *sc, u16 subsysid)
+static int ath_init_softc(u16 devid, struct ath_softc *sc, u16 subsysid,
+ const struct ath_bus_ops *bus_ops)
{
struct ath_hw *ah = NULL;
+ struct ath_common *common;
int r = 0, i;
int csz = 0;
+ int qnum;
/* XXX: hardware will not be ready until ath_open() being called */
sc->sc_flags |= SC_OP_INVALID;
- if (ath9k_init_debug(sc) < 0)
- printk(KERN_ERR "Unable to create debugfs files\n");
-
spin_lock_init(&sc->wiphy_lock);
spin_lock_init(&sc->sc_resetlock);
spin_lock_init(&sc->sc_serial_rw);
@@ -1328,39 +1640,50 @@ static int ath_init_softc(u16 devid, struct ath_softc *sc, u16 subsysid)
tasklet_init(&sc->bcon_tasklet, ath_beacon_tasklet,
(unsigned long)sc);
- /*
- * Cache line size is used to size and align various
- * structures used to communicate with the hardware.
- */
- ath_read_cachesize(sc, &csz);
- /* XXX assert csz is non-zero */
- sc->common.cachelsz = csz << 2; /* convert to bytes */
-
ah = kzalloc(sizeof(struct ath_hw), GFP_KERNEL);
- if (!ah) {
- r = -ENOMEM;
- goto bad_no_ah;
- }
+ if (!ah)
+ return -ENOMEM;
- ah->ah_sc = sc;
ah->hw_version.devid = devid;
ah->hw_version.subsysid = subsysid;
sc->sc_ah = ah;
+ common = ath9k_hw_common(ah);
+ common->ops = &ath9k_common_ops;
+ common->bus_ops = bus_ops;
+ common->ah = ah;
+ common->hw = sc->hw;
+ common->priv = sc;
+ common->debug_mask = ath9k_debug;
+
+ /*
+ * Cache line size is used to size and align various
+ * structures used to communicate with the hardware.
+ */
+ ath_read_cachesize(common, &csz);
+ /* XXX assert csz is non-zero */
+ common->cachelsz = csz << 2; /* convert to bytes */
+
r = ath9k_hw_init(ah);
if (r) {
- DPRINTF(sc, ATH_DBG_FATAL,
- "Unable to initialize hardware; "
- "initialization status: %d\n", r);
- goto bad;
+ ath_print(common, ATH_DBG_FATAL,
+ "Unable to initialize hardware; "
+ "initialization status: %d\n", r);
+ goto bad_free_hw;
+ }
+
+ if (ath9k_init_debug(ah) < 0) {
+ ath_print(common, ATH_DBG_FATAL,
+ "Unable to create debugfs files\n");
+ goto bad_free_hw;
}
/* Get the hardware key cache size. */
sc->keymax = ah->caps.keycache_size;
if (sc->keymax > ATH_KEYMAX) {
- DPRINTF(sc, ATH_DBG_ANY,
- "Warning, using only %u entries in %u key cache\n",
- ATH_KEYMAX, sc->keymax);
+ ath_print(common, ATH_DBG_ANY,
+ "Warning, using only %u entries in %u key cache\n",
+ ATH_KEYMAX, sc->keymax);
sc->keymax = ATH_KEYMAX;
}
@@ -1386,17 +1709,17 @@ static int ath_init_softc(u16 devid, struct ath_softc *sc, u16 subsysid)
* priority. Note that the hal handles reseting
* these queues at the needed time.
*/
- sc->beacon.beaconq = ath_beaconq_setup(ah);
+ sc->beacon.beaconq = ath9k_hw_beaconq_setup(ah);
if (sc->beacon.beaconq == -1) {
- DPRINTF(sc, ATH_DBG_FATAL,
- "Unable to setup a beacon xmit queue\n");
+ ath_print(common, ATH_DBG_FATAL,
+ "Unable to setup a beacon xmit queue\n");
r = -EIO;
goto bad2;
}
sc->beacon.cabq = ath_txq_setup(sc, ATH9K_TX_QUEUE_CAB, 0);
if (sc->beacon.cabq == NULL) {
- DPRINTF(sc, ATH_DBG_FATAL,
- "Unable to setup CAB xmit queue\n");
+ ath_print(common, ATH_DBG_FATAL,
+ "Unable to setup CAB xmit queue\n");
r = -EIO;
goto bad2;
}
@@ -1410,27 +1733,27 @@ static int ath_init_softc(u16 devid, struct ath_softc *sc, u16 subsysid)
/* Setup data queues */
/* NB: ensure BK queue is the lowest priority h/w queue */
if (!ath_tx_setup(sc, ATH9K_WME_AC_BK)) {
- DPRINTF(sc, ATH_DBG_FATAL,
- "Unable to setup xmit queue for BK traffic\n");
+ ath_print(common, ATH_DBG_FATAL,
+ "Unable to setup xmit queue for BK traffic\n");
r = -EIO;
goto bad2;
}
if (!ath_tx_setup(sc, ATH9K_WME_AC_BE)) {
- DPRINTF(sc, ATH_DBG_FATAL,
- "Unable to setup xmit queue for BE traffic\n");
+ ath_print(common, ATH_DBG_FATAL,
+ "Unable to setup xmit queue for BE traffic\n");
r = -EIO;
goto bad2;
}
if (!ath_tx_setup(sc, ATH9K_WME_AC_VI)) {
- DPRINTF(sc, ATH_DBG_FATAL,
- "Unable to setup xmit queue for VI traffic\n");
+ ath_print(common, ATH_DBG_FATAL,
+ "Unable to setup xmit queue for VI traffic\n");
r = -EIO;
goto bad2;
}
if (!ath_tx_setup(sc, ATH9K_WME_AC_VO)) {
- DPRINTF(sc, ATH_DBG_FATAL,
- "Unable to setup xmit queue for VO traffic\n");
+ ath_print(common, ATH_DBG_FATAL,
+ "Unable to setup xmit queue for VO traffic\n");
r = -EIO;
goto bad2;
}
@@ -1480,14 +1803,14 @@ static int ath_init_softc(u16 devid, struct ath_softc *sc, u16 subsysid)
sc->sc_flags |= SC_OP_RXAGGR;
}
- sc->tx_chainmask = ah->caps.tx_chainmask;
- sc->rx_chainmask = ah->caps.rx_chainmask;
+ common->tx_chainmask = ah->caps.tx_chainmask;
+ common->rx_chainmask = ah->caps.rx_chainmask;
ath9k_hw_setcapability(ah, ATH9K_CAP_DIVERSITY, 1, true, NULL);
sc->rx.defant = ath9k_hw_getdefantenna(ah);
if (ah->caps.hw_caps & ATH9K_HW_CAP_BSSIDMASK)
- memcpy(sc->bssidmask, ath_bcast_mac, ETH_ALEN);
+ memcpy(common->bssidmask, ath_bcast_mac, ETH_ALEN);
sc->beacon.slottime = ATH9K_SLOT_TIME_9; /* default to short slot time */
@@ -1515,10 +1838,24 @@ static int ath_init_softc(u16 devid, struct ath_softc *sc, u16 subsysid)
ARRAY_SIZE(ath9k_5ghz_chantable);
}
- if (sc->btcoex_info.btcoex_scheme != ATH_BTCOEX_CFG_NONE) {
- r = ath9k_hw_btcoex_init(ah);
+ switch (ah->btcoex_hw.scheme) {
+ case ATH_BTCOEX_CFG_NONE:
+ break;
+ case ATH_BTCOEX_CFG_2WIRE:
+ ath9k_hw_btcoex_init_2wire(ah);
+ break;
+ case ATH_BTCOEX_CFG_3WIRE:
+ ath9k_hw_btcoex_init_3wire(ah);
+ r = ath_init_btcoex_timer(sc);
if (r)
goto bad2;
+ qnum = ath_tx_get_qnum(sc, ATH9K_TX_QUEUE_DATA, ATH9K_WME_AC_BE);
+ ath9k_hw_init_btcoex_hw(ah, qnum);
+ sc->btcoex.bt_stomp_type = ATH_BTCOEX_STOMP_LOW;
+ break;
+ default:
+ WARN_ON(1);
+ break;
}
return 0;
@@ -1527,12 +1864,9 @@ bad2:
for (i = 0; i < ATH9K_NUM_TX_QUEUES; i++)
if (ATH_TXQ_SETUP(sc, i))
ath_tx_cleanupq(sc, &sc->tx.txq[i]);
-bad:
- ath9k_hw_detach(ah);
- sc->sc_ah = NULL;
-bad_no_ah:
- ath9k_exit_debug(sc);
+bad_free_hw:
+ ath9k_uninit_hw(sc);
return r;
}
@@ -1574,34 +1908,40 @@ void ath_set_hw_capab(struct ath_softc *sc, struct ieee80211_hw *hw)
}
/* Device driver core initialization */
-int ath_init_device(u16 devid, struct ath_softc *sc, u16 subsysid)
+int ath_init_device(u16 devid, struct ath_softc *sc, u16 subsysid,
+ const struct ath_bus_ops *bus_ops)
{
struct ieee80211_hw *hw = sc->hw;
+ struct ath_common *common;
+ struct ath_hw *ah;
int error = 0, i;
struct ath_regulatory *reg;
- DPRINTF(sc, ATH_DBG_CONFIG, "Attach ATH hw\n");
+ dev_dbg(sc->dev, "Attach ATH hw\n");
- error = ath_init_softc(devid, sc, subsysid);
+ error = ath_init_softc(devid, sc, subsysid, bus_ops);
if (error != 0)
return error;
+ ah = sc->sc_ah;
+ common = ath9k_hw_common(ah);
+
/* get mac address from hardware and set in mac80211 */
- SET_IEEE80211_PERM_ADDR(hw, sc->sc_ah->macaddr);
+ SET_IEEE80211_PERM_ADDR(hw, common->macaddr);
ath_set_hw_capab(sc, hw);
- error = ath_regd_init(&sc->common.regulatory, sc->hw->wiphy,
+ error = ath_regd_init(&common->regulatory, sc->hw->wiphy,
ath9k_reg_notifier);
if (error)
return error;
- reg = &sc->common.regulatory;
+ reg = &common->regulatory;
- if (sc->sc_ah->caps.hw_caps & ATH9K_HW_CAP_HT) {
+ if (ah->caps.hw_caps & ATH9K_HW_CAP_HT) {
setup_ht_cap(sc, &sc->sbands[IEEE80211_BAND_2GHZ].ht_cap);
- if (test_bit(ATH9K_MODE_11A, sc->sc_ah->caps.wireless_modes))
+ if (test_bit(ATH9K_MODE_11A, ah->caps.wireless_modes))
setup_ht_cap(sc, &sc->sbands[IEEE80211_BAND_5GHZ].ht_cap);
}
@@ -1639,9 +1979,7 @@ error_attach:
if (ATH_TXQ_SETUP(sc, i))
ath_tx_cleanupq(sc, &sc->tx.txq[i]);
- ath9k_hw_detach(sc->sc_ah);
- sc->sc_ah = NULL;
- ath9k_exit_debug(sc);
+ ath9k_uninit_hw(sc);
return error;
}
@@ -1649,6 +1987,7 @@ error_attach:
int ath_reset(struct ath_softc *sc, bool retry_tx)
{
struct ath_hw *ah = sc->sc_ah;
+ struct ath_common *common = ath9k_hw_common(ah);
struct ieee80211_hw *hw = sc->hw;
int r;
@@ -1660,12 +1999,13 @@ int ath_reset(struct ath_softc *sc, bool retry_tx)
spin_lock_bh(&sc->sc_resetlock);
r = ath9k_hw_reset(ah, sc->sc_ah->curchan, false);
if (r)
- DPRINTF(sc, ATH_DBG_FATAL,
- "Unable to reset hardware; reset status %d\n", r);
+ ath_print(common, ATH_DBG_FATAL,
+ "Unable to reset hardware; reset status %d\n", r);
spin_unlock_bh(&sc->sc_resetlock);
if (ath_startrecv(sc) != 0)
- DPRINTF(sc, ATH_DBG_FATAL, "Unable to start recv logic\n");
+ ath_print(common, ATH_DBG_FATAL,
+ "Unable to start recv logic\n");
/*
* We may be doing a reset in response to a request
@@ -1708,19 +2048,20 @@ int ath_descdma_setup(struct ath_softc *sc, struct ath_descdma *dd,
((_dd)->dd_desc_paddr + ((caddr_t)(_ds) - (caddr_t)(_dd)->dd_desc))
#define ATH_DESC_4KB_BOUND_CHECK(_daddr) ((((_daddr) & 0xFFF) > 0xF7F) ? 1 : 0)
#define ATH_DESC_4KB_BOUND_NUM_SKIPPED(_len) ((_len) / 4096)
-
+ struct ath_common *common = ath9k_hw_common(sc->sc_ah);
struct ath_desc *ds;
struct ath_buf *bf;
int i, bsize, error;
- DPRINTF(sc, ATH_DBG_CONFIG, "%s DMA: %u buffers %u desc/buf\n",
- name, nbuf, ndesc);
+ ath_print(common, ATH_DBG_CONFIG, "%s DMA: %u buffers %u desc/buf\n",
+ name, nbuf, ndesc);
INIT_LIST_HEAD(head);
/* ath_desc must be a multiple of DWORDs */
if ((sizeof(struct ath_desc) % 4) != 0) {
- DPRINTF(sc, ATH_DBG_FATAL, "ath_desc not DWORD aligned\n");
- ASSERT((sizeof(struct ath_desc) % 4) == 0);
+ ath_print(common, ATH_DBG_FATAL,
+ "ath_desc not DWORD aligned\n");
+ BUG_ON((sizeof(struct ath_desc) % 4) != 0);
error = -ENOMEM;
goto fail;
}
@@ -1753,9 +2094,9 @@ int ath_descdma_setup(struct ath_softc *sc, struct ath_descdma *dd,
goto fail;
}
ds = dd->dd_desc;
- DPRINTF(sc, ATH_DBG_CONFIG, "%s DMA map: %p (%u) -> %llx (%u)\n",
- name, ds, (u32) dd->dd_desc_len,
- ito64(dd->dd_desc_paddr), /*XXX*/(u32) dd->dd_desc_len);
+ ath_print(common, ATH_DBG_CONFIG, "%s DMA map: %p (%u) -> %llx (%u)\n",
+ name, ds, (u32) dd->dd_desc_len,
+ ito64(dd->dd_desc_paddr), /*XXX*/(u32) dd->dd_desc_len);
/* allocate buffers */
bsize = sizeof(struct ath_buf) * nbuf;
@@ -1778,7 +2119,7 @@ int ath_descdma_setup(struct ath_softc *sc, struct ath_descdma *dd,
* descriptor fetch.
*/
while (ATH_DESC_4KB_BOUND_CHECK(bf->bf_daddr)) {
- ASSERT((caddr_t) bf->bf_desc <
+ BUG_ON((caddr_t) bf->bf_desc >=
((caddr_t) dd->dd_desc +
dd->dd_desc_len));
@@ -1882,31 +2223,50 @@ void ath9k_update_ichannel(struct ath_softc *sc, struct ieee80211_hw *hw,
ichan->channelFlags = CHANNEL_5GHZ | CHANNEL_OFDM;
}
- sc->tx_chan_width = ATH9K_HT_MACMODE_20;
-
- if (conf_is_ht(conf)) {
- if (conf_is_ht40(conf))
- sc->tx_chan_width = ATH9K_HT_MACMODE_2040;
-
+ if (conf_is_ht(conf))
ichan->chanmode = ath_get_extchanmode(sc, chan,
conf->channel_type);
- }
}
/**********************/
/* mac80211 callbacks */
/**********************/
+/*
+ * (Re)start btcoex timers
+ */
+static void ath9k_btcoex_timer_resume(struct ath_softc *sc)
+{
+ struct ath_btcoex *btcoex = &sc->btcoex;
+ struct ath_hw *ah = sc->sc_ah;
+
+ ath_print(ath9k_hw_common(ah), ATH_DBG_BTCOEX,
+ "Starting btcoex timers");
+
+ /* make sure duty cycle timer is also stopped when resuming */
+ if (btcoex->hw_timer_enabled)
+ ath9k_gen_timer_stop(sc->sc_ah, btcoex->no_stomp_timer);
+
+ btcoex->bt_priority_cnt = 0;
+ btcoex->bt_priority_time = jiffies;
+ sc->sc_flags &= ~SC_OP_BT_PRIORITY_DETECTED;
+
+ mod_timer(&btcoex->period_timer, jiffies);
+}
+
static int ath9k_start(struct ieee80211_hw *hw)
{
struct ath_wiphy *aphy = hw->priv;
struct ath_softc *sc = aphy->sc;
+ struct ath_hw *ah = sc->sc_ah;
+ struct ath_common *common = ath9k_hw_common(ah);
struct ieee80211_channel *curchan = hw->conf.channel;
struct ath9k_channel *init_channel;
int r;
- DPRINTF(sc, ATH_DBG_CONFIG, "Starting driver with "
- "initial channel: %d MHz\n", curchan->center_freq);
+ ath_print(common, ATH_DBG_CONFIG,
+ "Starting driver with initial channel: %d MHz\n",
+ curchan->center_freq);
mutex_lock(&sc->mutex);
@@ -1938,7 +2298,7 @@ static int ath9k_start(struct ieee80211_hw *hw)
init_channel = ath_get_curchannel(sc, hw);
/* Reset SERDES registers */
- ath9k_hw_configpcipowersave(sc->sc_ah, 0, 0);
+ ath9k_hw_configpcipowersave(ah, 0, 0);
/*
* The basic interface to setting the hardware in a good
@@ -1948,12 +2308,12 @@ static int ath9k_start(struct ieee80211_hw *hw)
* and then setup of the interrupt mask.
*/
spin_lock_bh(&sc->sc_resetlock);
- r = ath9k_hw_reset(sc->sc_ah, init_channel, false);
+ r = ath9k_hw_reset(ah, init_channel, false);
if (r) {
- DPRINTF(sc, ATH_DBG_FATAL,
- "Unable to reset hardware; reset status %d "
- "(freq %u MHz)\n", r,
- curchan->center_freq);
+ ath_print(common, ATH_DBG_FATAL,
+ "Unable to reset hardware; reset status %d "
+ "(freq %u MHz)\n", r,
+ curchan->center_freq);
spin_unlock_bh(&sc->sc_resetlock);
goto mutex_unlock;
}
@@ -1973,7 +2333,8 @@ static int ath9k_start(struct ieee80211_hw *hw)
* here except setup the interrupt mask.
*/
if (ath_startrecv(sc) != 0) {
- DPRINTF(sc, ATH_DBG_FATAL, "Unable to start recv logic\n");
+ ath_print(common, ATH_DBG_FATAL,
+ "Unable to start recv logic\n");
r = -EIO;
goto mutex_unlock;
}
@@ -1983,10 +2344,10 @@ static int ath9k_start(struct ieee80211_hw *hw)
| ATH9K_INT_RXEOL | ATH9K_INT_RXORN
| ATH9K_INT_FATAL | ATH9K_INT_GLOBAL;
- if (sc->sc_ah->caps.hw_caps & ATH9K_HW_CAP_GTT)
+ if (ah->caps.hw_caps & ATH9K_HW_CAP_GTT)
sc->imask |= ATH9K_INT_GTT;
- if (sc->sc_ah->caps.hw_caps & ATH9K_HW_CAP_HT)
+ if (ah->caps.hw_caps & ATH9K_HW_CAP_HT)
sc->imask |= ATH9K_INT_CST;
ath_cache_conf_rate(sc, &hw->conf);
@@ -1995,21 +2356,22 @@ static int ath9k_start(struct ieee80211_hw *hw)
/* Disable BMISS interrupt when we're not associated */
sc->imask &= ~(ATH9K_INT_SWBA | ATH9K_INT_BMISS);
- ath9k_hw_set_interrupts(sc->sc_ah, sc->imask);
+ ath9k_hw_set_interrupts(ah, sc->imask);
ieee80211_wake_queues(hw);
ieee80211_queue_delayed_work(sc->hw, &sc->tx_complete_work, 0);
- if ((sc->btcoex_info.btcoex_scheme != ATH_BTCOEX_CFG_NONE) &&
- !(sc->sc_flags & SC_OP_BTCOEX_ENABLED)) {
- ath_btcoex_set_weight(&sc->btcoex_info, AR_BT_COEX_WGHT,
- AR_STOMP_LOW_WLAN_WGHT);
- ath9k_hw_btcoex_enable(sc->sc_ah);
+ if ((ah->btcoex_hw.scheme != ATH_BTCOEX_CFG_NONE) &&
+ !ah->btcoex_hw.enabled) {
+ ath9k_hw_btcoex_set_weight(ah, AR_BT_COEX_WGHT,
+ AR_STOMP_LOW_WLAN_WGHT);
+ ath9k_hw_btcoex_enable(ah);
- ath_pcie_aspm_disable(sc);
- if (sc->btcoex_info.btcoex_scheme == ATH_BTCOEX_CFG_3WIRE)
- ath_btcoex_timer_resume(sc, &sc->btcoex_info);
+ if (common->bus_ops->bt_coex_prep)
+ common->bus_ops->bt_coex_prep(common);
+ if (ah->btcoex_hw.scheme == ATH_BTCOEX_CFG_3WIRE)
+ ath9k_btcoex_timer_resume(sc);
}
mutex_unlock:
@@ -2024,12 +2386,14 @@ static int ath9k_tx(struct ieee80211_hw *hw,
struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
struct ath_wiphy *aphy = hw->priv;
struct ath_softc *sc = aphy->sc;
+ struct ath_common *common = ath9k_hw_common(sc->sc_ah);
struct ath_tx_control txctl;
int hdrlen, padsize;
if (aphy->state != ATH_WIPHY_ACTIVE && aphy->state != ATH_WIPHY_SCAN) {
- printk(KERN_DEBUG "ath9k: %s: TX in unexpected wiphy state "
- "%d\n", wiphy_name(hw->wiphy), aphy->state);
+ ath_print(common, ATH_DBG_XMIT,
+ "ath9k: %s: TX in unexpected wiphy state "
+ "%d\n", wiphy_name(hw->wiphy), aphy->state);
goto exit;
}
@@ -2042,8 +2406,8 @@ static int ath9k_tx(struct ieee80211_hw *hw,
if (ieee80211_is_data(hdr->frame_control) &&
!ieee80211_is_nullfunc(hdr->frame_control) &&
!ieee80211_has_pm(hdr->frame_control)) {
- DPRINTF(sc, ATH_DBG_PS, "Add PM=1 for a TX frame "
- "while in PS mode\n");
+ ath_print(common, ATH_DBG_PS, "Add PM=1 for a TX frame "
+ "while in PS mode\n");
hdr->frame_control |= cpu_to_le16(IEEE80211_FCTL_PM);
}
}
@@ -2058,11 +2422,12 @@ static int ath9k_tx(struct ieee80211_hw *hw,
ath9k_ps_wakeup(sc);
ath9k_hw_setrxabort(sc->sc_ah, 0);
if (ieee80211_is_pspoll(hdr->frame_control)) {
- DPRINTF(sc, ATH_DBG_PS, "Sending PS-Poll to pick a "
- "buffered frame\n");
+ ath_print(common, ATH_DBG_PS,
+ "Sending PS-Poll to pick a buffered frame\n");
sc->sc_flags |= SC_OP_WAIT_FOR_PSPOLL_DATA;
} else {
- DPRINTF(sc, ATH_DBG_PS, "Wake up to complete TX\n");
+ ath_print(common, ATH_DBG_PS,
+ "Wake up to complete TX\n");
sc->sc_flags |= SC_OP_WAIT_FOR_TX_ACK;
}
/*
@@ -2104,10 +2469,10 @@ static int ath9k_tx(struct ieee80211_hw *hw,
if (!txctl.txq)
goto exit;
- DPRINTF(sc, ATH_DBG_XMIT, "transmitting packet, skb: %p\n", skb);
+ ath_print(common, ATH_DBG_XMIT, "transmitting packet, skb: %p\n", skb);
if (ath_tx_start(hw, skb, &txctl) != 0) {
- DPRINTF(sc, ATH_DBG_XMIT, "TX failed\n");
+ ath_print(common, ATH_DBG_XMIT, "TX failed\n");
goto exit;
}
@@ -2117,10 +2482,28 @@ exit:
return 0;
}
+/*
+ * Pause btcoex timer and bt duty cycle timer
+ */
+static void ath9k_btcoex_timer_pause(struct ath_softc *sc)
+{
+ struct ath_btcoex *btcoex = &sc->btcoex;
+ struct ath_hw *ah = sc->sc_ah;
+
+ del_timer_sync(&btcoex->period_timer);
+
+ if (btcoex->hw_timer_enabled)
+ ath9k_gen_timer_stop(ah, btcoex->no_stomp_timer);
+
+ btcoex->hw_timer_enabled = false;
+}
+
static void ath9k_stop(struct ieee80211_hw *hw)
{
struct ath_wiphy *aphy = hw->priv;
struct ath_softc *sc = aphy->sc;
+ struct ath_hw *ah = sc->sc_ah;
+ struct ath_common *common = ath9k_hw_common(ah);
mutex_lock(&sc->mutex);
@@ -2135,7 +2518,7 @@ static void ath9k_stop(struct ieee80211_hw *hw)
}
if (sc->sc_flags & SC_OP_INVALID) {
- DPRINTF(sc, ATH_DBG_ANY, "Device not present\n");
+ ath_print(common, ATH_DBG_ANY, "Device not present\n");
mutex_unlock(&sc->mutex);
return;
}
@@ -2145,33 +2528,33 @@ static void ath9k_stop(struct ieee80211_hw *hw)
return; /* another wiphy still in use */
}
- if (sc->sc_flags & SC_OP_BTCOEX_ENABLED) {
- ath9k_hw_btcoex_disable(sc->sc_ah);
- if (sc->btcoex_info.btcoex_scheme == ATH_BTCOEX_CFG_3WIRE)
- ath_btcoex_timer_pause(sc, &sc->btcoex_info);
+ if (ah->btcoex_hw.enabled) {
+ ath9k_hw_btcoex_disable(ah);
+ if (ah->btcoex_hw.scheme == ATH_BTCOEX_CFG_3WIRE)
+ ath9k_btcoex_timer_pause(sc);
}
/* make sure h/w will not generate any interrupt
* before setting the invalid flag. */
- ath9k_hw_set_interrupts(sc->sc_ah, 0);
+ ath9k_hw_set_interrupts(ah, 0);
if (!(sc->sc_flags & SC_OP_INVALID)) {
ath_drain_all_txq(sc, false);
ath_stoprecv(sc);
- ath9k_hw_phy_disable(sc->sc_ah);
+ ath9k_hw_phy_disable(ah);
} else
sc->rx.rxlink = NULL;
/* disable HAL and put h/w to sleep */
- ath9k_hw_disable(sc->sc_ah);
- ath9k_hw_configpcipowersave(sc->sc_ah, 1, 1);
- ath9k_hw_setpower(sc->sc_ah, ATH9K_PM_FULL_SLEEP);
+ ath9k_hw_disable(ah);
+ ath9k_hw_configpcipowersave(ah, 1, 1);
+ ath9k_setpower(sc, ATH9K_PM_FULL_SLEEP);
sc->sc_flags |= SC_OP_INVALID;
mutex_unlock(&sc->mutex);
- DPRINTF(sc, ATH_DBG_CONFIG, "Driver halt\n");
+ ath_print(common, ATH_DBG_CONFIG, "Driver halt\n");
}
static int ath9k_add_interface(struct ieee80211_hw *hw,
@@ -2179,6 +2562,7 @@ static int ath9k_add_interface(struct ieee80211_hw *hw,
{
struct ath_wiphy *aphy = hw->priv;
struct ath_softc *sc = aphy->sc;
+ struct ath_common *common = ath9k_hw_common(sc->sc_ah);
struct ath_vif *avp = (void *)conf->vif->drv_priv;
enum nl80211_iftype ic_opmode = NL80211_IFTYPE_UNSPECIFIED;
int ret = 0;
@@ -2205,13 +2589,14 @@ static int ath9k_add_interface(struct ieee80211_hw *hw,
ic_opmode = conf->type;
break;
default:
- DPRINTF(sc, ATH_DBG_FATAL,
+ ath_print(common, ATH_DBG_FATAL,
"Interface type %d not yet supported\n", conf->type);
ret = -EOPNOTSUPP;
goto out;
}
- DPRINTF(sc, ATH_DBG_CONFIG, "Attach a VIF of type: %d\n", ic_opmode);
+ ath_print(common, ATH_DBG_CONFIG,
+ "Attach a VIF of type: %d\n", ic_opmode);
/* Set the VIF opmode */
avp->av_opmode = ic_opmode;
@@ -2261,10 +2646,11 @@ static void ath9k_remove_interface(struct ieee80211_hw *hw,
{
struct ath_wiphy *aphy = hw->priv;
struct ath_softc *sc = aphy->sc;
+ struct ath_common *common = ath9k_hw_common(sc->sc_ah);
struct ath_vif *avp = (void *)conf->vif->drv_priv;
int i;
- DPRINTF(sc, ATH_DBG_CONFIG, "Detach Interface\n");
+ ath_print(common, ATH_DBG_CONFIG, "Detach Interface\n");
mutex_lock(&sc->mutex);
@@ -2299,6 +2685,7 @@ static int ath9k_config(struct ieee80211_hw *hw, u32 changed)
{
struct ath_wiphy *aphy = hw->priv;
struct ath_softc *sc = aphy->sc;
+ struct ath_common *common = ath9k_hw_common(sc->sc_ah);
struct ieee80211_conf *conf = &hw->conf;
struct ath_hw *ah = sc->sc_ah;
bool all_wiphys_idle = false, disable_radio = false;
@@ -2318,8 +2705,8 @@ static int ath9k_config(struct ieee80211_hw *hw, u32 changed)
}
else if (all_wiphys_idle) {
ath_radio_enable(sc);
- DPRINTF(sc, ATH_DBG_CONFIG,
- "not-idle: enabling radio\n");
+ ath_print(common, ATH_DBG_CONFIG,
+ "not-idle: enabling radio\n");
}
}
@@ -2337,7 +2724,7 @@ static int ath9k_config(struct ieee80211_hw *hw, u32 changed)
sc->ps_enabled = true;
} else {
sc->ps_enabled = false;
- ath9k_hw_setpower(sc->sc_ah, ATH9K_PM_AWAKE);
+ ath9k_setpower(sc, ATH9K_PM_AWAKE);
if (!(ah->caps.hw_caps &
ATH9K_HW_CAP_AUTOSLEEP)) {
ath9k_hw_setrxabort(sc->sc_ah, 0);
@@ -2372,8 +2759,8 @@ static int ath9k_config(struct ieee80211_hw *hw, u32 changed)
goto skip_chan_change;
}
- DPRINTF(sc, ATH_DBG_CONFIG, "Set channel: %d MHz\n",
- curchan->center_freq);
+ ath_print(common, ATH_DBG_CONFIG, "Set channel: %d MHz\n",
+ curchan->center_freq);
/* XXX: remove me eventualy */
ath9k_update_ichannel(sc, hw, &sc->sc_ah->channels[pos]);
@@ -2381,7 +2768,8 @@ static int ath9k_config(struct ieee80211_hw *hw, u32 changed)
ath_update_chainmask(sc, conf_is_ht(conf));
if (ath_set_channel(sc, hw, &sc->sc_ah->channels[pos]) < 0) {
- DPRINTF(sc, ATH_DBG_FATAL, "Unable to set channel\n");
+ ath_print(common, ATH_DBG_FATAL,
+ "Unable to set channel\n");
mutex_unlock(&sc->mutex);
return -EINVAL;
}
@@ -2392,7 +2780,7 @@ skip_chan_change:
sc->config.txpowlimit = 2 * conf->power_level;
if (disable_radio) {
- DPRINTF(sc, ATH_DBG_CONFIG, "idle: disabling radio\n");
+ ath_print(common, ATH_DBG_CONFIG, "idle: disabling radio\n");
ath_radio_disable(sc);
}
@@ -2429,7 +2817,8 @@ static void ath9k_configure_filter(struct ieee80211_hw *hw,
ath9k_hw_setrxfilter(sc->sc_ah, rfilt);
ath9k_ps_restore(sc);
- DPRINTF(sc, ATH_DBG_CONFIG, "Set HW RX filter: 0x%x\n", rfilt);
+ ath_print(ath9k_hw_common(sc->sc_ah), ATH_DBG_CONFIG,
+ "Set HW RX filter: 0x%x\n", rfilt);
}
static void ath9k_sta_notify(struct ieee80211_hw *hw,
@@ -2457,6 +2846,7 @@ static int ath9k_conf_tx(struct ieee80211_hw *hw, u16 queue,
{
struct ath_wiphy *aphy = hw->priv;
struct ath_softc *sc = aphy->sc;
+ struct ath_common *common = ath9k_hw_common(sc->sc_ah);
struct ath9k_tx_queue_info qi;
int ret = 0, qnum;
@@ -2473,15 +2863,15 @@ static int ath9k_conf_tx(struct ieee80211_hw *hw, u16 queue,
qi.tqi_burstTime = params->txop;
qnum = ath_get_hal_qnum(queue, sc);
- DPRINTF(sc, ATH_DBG_CONFIG,
- "Configure tx [queue/halq] [%d/%d], "
- "aifs: %d, cw_min: %d, cw_max: %d, txop: %d\n",
- queue, qnum, params->aifs, params->cw_min,
- params->cw_max, params->txop);
+ ath_print(common, ATH_DBG_CONFIG,
+ "Configure tx [queue/halq] [%d/%d], "
+ "aifs: %d, cw_min: %d, cw_max: %d, txop: %d\n",
+ queue, qnum, params->aifs, params->cw_min,
+ params->cw_max, params->txop);
ret = ath_txq_update(sc, qnum, &qi);
if (ret)
- DPRINTF(sc, ATH_DBG_FATAL, "TXQ Update failed\n");
+ ath_print(common, ATH_DBG_FATAL, "TXQ Update failed\n");
mutex_unlock(&sc->mutex);
@@ -2496,6 +2886,7 @@ static int ath9k_set_key(struct ieee80211_hw *hw,
{
struct ath_wiphy *aphy = hw->priv;
struct ath_softc *sc = aphy->sc;
+ struct ath_common *common = ath9k_hw_common(sc->sc_ah);
int ret = 0;
if (modparam_nohwcrypt)
@@ -2503,7 +2894,7 @@ static int ath9k_set_key(struct ieee80211_hw *hw,
mutex_lock(&sc->mutex);
ath9k_ps_wakeup(sc);
- DPRINTF(sc, ATH_DBG_CONFIG, "Set HW Key\n");
+ ath_print(common, ATH_DBG_CONFIG, "Set HW Key\n");
switch (cmd) {
case SET_KEY:
@@ -2540,6 +2931,7 @@ static void ath9k_bss_info_changed(struct ieee80211_hw *hw,
struct ath_wiphy *aphy = hw->priv;
struct ath_softc *sc = aphy->sc;
struct ath_hw *ah = sc->sc_ah;
+ struct ath_common *common = ath9k_hw_common(ah);
struct ath_vif *avp = (void *)vif->drv_priv;
u32 rfilt = 0;
int error, i;
@@ -2555,9 +2947,9 @@ static void ath9k_bss_info_changed(struct ieee80211_hw *hw,
ah->opmode != NL80211_IFTYPE_AP) {
ah->opmode = NL80211_IFTYPE_STATION;
ath9k_hw_setopmode(ah);
- memcpy(sc->curbssid, sc->sc_ah->macaddr, ETH_ALEN);
- sc->curaid = 0;
- ath9k_hw_write_associd(sc);
+ memcpy(common->curbssid, common->macaddr, ETH_ALEN);
+ common->curaid = 0;
+ ath9k_hw_write_associd(ah);
/* Request full reset to get hw opmode changed properly */
sc->sc_flags |= SC_OP_FULL_RESET;
}
@@ -2569,17 +2961,17 @@ static void ath9k_bss_info_changed(struct ieee80211_hw *hw,
case NL80211_IFTYPE_ADHOC:
case NL80211_IFTYPE_MESH_POINT:
/* Set BSSID */
- memcpy(sc->curbssid, bss_conf->bssid, ETH_ALEN);
+ memcpy(common->curbssid, bss_conf->bssid, ETH_ALEN);
memcpy(avp->bssid, bss_conf->bssid, ETH_ALEN);
- sc->curaid = 0;
- ath9k_hw_write_associd(sc);
+ common->curaid = 0;
+ ath9k_hw_write_associd(ah);
/* Set aggregation protection mode parameters */
sc->config.ath_aggr_prot = 0;
- DPRINTF(sc, ATH_DBG_CONFIG,
- "RX filter 0x%x bssid %pM aid 0x%x\n",
- rfilt, sc->curbssid, sc->curaid);
+ ath_print(common, ATH_DBG_CONFIG,
+ "RX filter 0x%x bssid %pM aid 0x%x\n",
+ rfilt, common->curbssid, common->curaid);
/* need to reconfigure the beacon */
sc->sc_flags &= ~SC_OP_BEACONS ;
@@ -2618,7 +3010,7 @@ static void ath9k_bss_info_changed(struct ieee80211_hw *hw,
if (ath9k_hw_keyisvalid(sc->sc_ah, (u16)i))
ath9k_hw_keysetmac(sc->sc_ah,
(u16)i,
- sc->curbssid);
+ common->curbssid);
}
/* Only legacy IBSS for now */
@@ -2626,8 +3018,8 @@ static void ath9k_bss_info_changed(struct ieee80211_hw *hw,
ath_update_chainmask(sc, 0);
if (changed & BSS_CHANGED_ERP_PREAMBLE) {
- DPRINTF(sc, ATH_DBG_CONFIG, "BSS Changed PREAMBLE %d\n",
- bss_conf->use_short_preamble);
+ ath_print(common, ATH_DBG_CONFIG, "BSS Changed PREAMBLE %d\n",
+ bss_conf->use_short_preamble);
if (bss_conf->use_short_preamble)
sc->sc_flags |= SC_OP_PREAMBLE_SHORT;
else
@@ -2635,8 +3027,8 @@ static void ath9k_bss_info_changed(struct ieee80211_hw *hw,
}
if (changed & BSS_CHANGED_ERP_CTS_PROT) {
- DPRINTF(sc, ATH_DBG_CONFIG, "BSS Changed CTS PROT %d\n",
- bss_conf->use_cts_prot);
+ ath_print(common, ATH_DBG_CONFIG, "BSS Changed CTS PROT %d\n",
+ bss_conf->use_cts_prot);
if (bss_conf->use_cts_prot &&
hw->conf.channel->band != IEEE80211_BAND_5GHZ)
sc->sc_flags |= SC_OP_PROTECT_ENABLE;
@@ -2645,7 +3037,7 @@ static void ath9k_bss_info_changed(struct ieee80211_hw *hw,
}
if (changed & BSS_CHANGED_ASSOC) {
- DPRINTF(sc, ATH_DBG_CONFIG, "BSS Changed ASSOC %d\n",
+ ath_print(common, ATH_DBG_CONFIG, "BSS Changed ASSOC %d\n",
bss_conf->assoc);
ath9k_bss_assoc_info(sc, vif, bss_conf);
}
@@ -2694,7 +3086,11 @@ static void ath9k_reset_tsf(struct ieee80211_hw *hw)
struct ath_softc *sc = aphy->sc;
mutex_lock(&sc->mutex);
+
+ ath9k_ps_wakeup(sc);
ath9k_hw_reset_tsf(sc->sc_ah);
+ ath9k_ps_restore(sc);
+
mutex_unlock(&sc->mutex);
}
@@ -2726,7 +3122,8 @@ static int ath9k_ampdu_action(struct ieee80211_hw *hw,
ath_tx_aggr_resume(sc, sta, tid);
break;
default:
- DPRINTF(sc, ATH_DBG_FATAL, "Unknown AMPDU action\n");
+ ath_print(ath9k_hw_common(sc->sc_ah), ATH_DBG_FATAL,
+ "Unknown AMPDU action\n");
}
return ret;
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2024-12-11 19:40:26 +0000