Exemple #1
0
void ath9k_htc_radio_disable(struct ieee80211_hw *hw)
{
	struct ath9k_htc_priv *priv = hw->priv;
	struct ath_hw *ah = priv->ah;
	struct ath_common *common = ath9k_hw_common(ah);
	int ret;
	u8 cmd_rsp;

	ath9k_htc_ps_wakeup(priv);

	/* Disable LED */
	ath9k_hw_set_gpio(ah, ah->led_pin, 1);
	ath9k_hw_cfg_gpio_input(ah, ah->led_pin);

	WMI_CMD(WMI_DISABLE_INTR_CMDID);

	/* Stop TX */
	ieee80211_stop_queues(hw);
	ath9k_htc_tx_drain(priv);
	WMI_CMD(WMI_DRAIN_TXQ_ALL_CMDID);

	/* Stop RX */
	WMI_CMD(WMI_STOP_RECV_CMDID);

	/* Clear the WMI event queue */
	ath9k_wmi_event_drain(priv);

	/*
	 * The MIB counters have to be disabled here,
	 * since the target doesn't do it.
	 */
	ath9k_hw_disable_mib_counters(ah);

	if (!ah->curchan)
		ah->curchan = ath9k_cmn_get_curchannel(hw, ah);

	/* Reset the HW */
	ret = ath9k_hw_reset(ah, ah->curchan, ah->caldata, false);
	if (ret) {
		ath_err(common,
			"Unable to reset hardware; reset status %d (freq %u MHz)\n",
			ret, ah->curchan->channel);
	}

	/* Disable the PHY */
	ath9k_hw_phy_disable(ah);

	ath9k_htc_ps_restore(priv);
	ath9k_htc_setpower(priv, ATH9K_PM_FULL_SLEEP);
}
Exemple #2
0
static void ath_radio_enable(struct ath_softc *sc, struct ieee80211_hw *hw)
{
	struct ath_hw *ah = sc->sc_ah;
	struct ath_common *common = ath9k_hw_common(ah);
	struct ieee80211_channel *channel = hw->conf.channel;
	int r;

	ath9k_ps_wakeup(sc);
	spin_lock_bh(&sc->sc_pcu_lock);

	ath9k_hw_configpcipowersave(ah, 0, 0);

	if (!ah->curchan)
		ah->curchan = ath9k_cmn_get_curchannel(sc->hw, ah);

	r = ath9k_hw_reset(ah, ah->curchan, ah->caldata, false);
	if (r) {
		ath_err(common,
			"Unable to reset channel (%u MHz), reset status %d\n",
			channel->center_freq, r);
	}

	ath9k_cmn_update_txpow(ah, sc->curtxpow,
			       sc->config.txpowlimit, &sc->curtxpow);
	if (ath_startrecv(sc) != 0) {
		ath_err(common, "Unable to restart recv logic\n");
		goto out;
	}
	if (sc->sc_flags & SC_OP_BEACONS)
		ath_set_beacon(sc);	/* restart beacons */

	/* Re-Enable  interrupts */
	ath9k_hw_set_interrupts(ah, ah->imask);

	/* Enable LED */
	ath9k_hw_cfg_output(ah, ah->led_pin,
			    AR_GPIO_OUTPUT_MUX_AS_OUTPUT);
	ath9k_hw_set_gpio(ah, ah->led_pin, 0);

	ieee80211_wake_queues(hw);
	ieee80211_queue_delayed_work(hw, &sc->hw_pll_work, HZ/2);

out:
	spin_unlock_bh(&sc->sc_pcu_lock);

	ath9k_ps_restore(sc);
}
Exemple #3
0
void ath9k_htc_radio_enable(struct ieee80211_hw *hw)
{
	struct ath9k_htc_priv *priv = hw->priv;
	struct ath_hw *ah = priv->ah;
	struct ath_common *common = ath9k_hw_common(ah);
	int ret;
	u8 cmd_rsp;

	if (!ah->curchan)
		ah->curchan = ath9k_cmn_get_curchannel(hw, ah);

	/* Reset the HW */
	ret = ath9k_hw_reset(ah, ah->curchan, ah->caldata, false);
	if (ret) {
		ath_err(common,
			"Unable to reset hardware; reset status %d (freq %u MHz)\n",
			ret, ah->curchan->channel);
	}

	ath9k_cmn_update_txpow(ah, priv->curtxpow, priv->txpowlimit,
			       &priv->curtxpow);

	/* Start RX */
	WMI_CMD(WMI_START_RECV_CMDID);
	ath9k_host_rx_init(priv);

	/* Start TX */
	htc_start(priv->htc);
	spin_lock_bh(&priv->tx.tx_lock);
	priv->tx.flags &= ~ATH9K_HTC_OP_TX_QUEUES_STOP;
	spin_unlock_bh(&priv->tx.tx_lock);
	ieee80211_wake_queues(hw);

	WMI_CMD(WMI_ENABLE_INTR_CMDID);

	/* Enable LED */
	ath9k_hw_cfg_output(ah, ah->led_pin,
			    AR_GPIO_OUTPUT_MUX_AS_OUTPUT);
	ath9k_hw_set_gpio(ah, ah->led_pin, 0);
}
static int ath9k_htc_start(struct ieee80211_hw *hw)
{
	struct ath9k_htc_priv *priv = hw->priv;
	struct ath_hw *ah = priv->ah;
	struct ath_common *common = ath9k_hw_common(ah);
	struct ieee80211_channel *curchan = hw->conf.chandef.chan;
	struct ath9k_channel *init_channel;
	int ret = 0;
	enum htc_phymode mode;
	__be16 htc_mode;
	u8 cmd_rsp;

	mutex_lock(&priv->mutex);

	ath_dbg(common, CONFIG,
		"Starting driver with initial channel: %d MHz\n",
		curchan->center_freq);

	/* Ensure that HW is awake before flushing RX */
	ath9k_htc_setpower(priv, ATH9K_PM_AWAKE);
	WMI_CMD(WMI_FLUSH_RECV_CMDID);

	/* setup initial channel */
	init_channel = ath9k_cmn_get_curchannel(hw, ah);

	ret = ath9k_hw_reset(ah, init_channel, ah->caldata, false);
	if (ret) {
		ath_err(common,
			"Unable to reset hardware; reset status %d (freq %u MHz)\n",
			ret, curchan->center_freq);
		mutex_unlock(&priv->mutex);
		return ret;
	}

	ath9k_cmn_update_txpow(ah, priv->curtxpow, priv->txpowlimit,
			       &priv->curtxpow);

	mode = ath9k_htc_get_curmode(priv, init_channel);
	htc_mode = cpu_to_be16(mode);
	WMI_CMD_BUF(WMI_SET_MODE_CMDID, &htc_mode);
	WMI_CMD(WMI_ATH_INIT_CMDID);
	WMI_CMD(WMI_START_RECV_CMDID);

	ath9k_host_rx_init(priv);

	ret = ath9k_htc_update_cap_target(priv, 0);
	if (ret)
		ath_dbg(common, CONFIG,
			"Failed to update capability in target\n");

	clear_bit(OP_INVALID, &priv->op_flags);
	htc_start(priv->htc);

	spin_lock_bh(&priv->tx.tx_lock);
	priv->tx.flags &= ~ATH9K_HTC_OP_TX_QUEUES_STOP;
	spin_unlock_bh(&priv->tx.tx_lock);

	ieee80211_wake_queues(hw);

	mod_timer(&priv->tx.cleanup_timer,
		  jiffies + msecs_to_jiffies(ATH9K_HTC_TX_CLEANUP_INTERVAL));

	ath9k_htc_start_btcoex(priv);

	mutex_unlock(&priv->mutex);

	return ret;
}
Exemple #5
0
static int ath9k_htc_start(struct ieee80211_hw *hw)
{
	struct ath9k_htc_priv *priv = hw->priv;
	struct ath_hw *ah = priv->ah;
	struct ath_common *common = ath9k_hw_common(ah);
	struct ieee80211_channel *curchan = hw->conf.channel;
	struct ath9k_channel *init_channel;
	int ret = 0;
	enum htc_phymode mode;
	__be16 htc_mode;
	u8 cmd_rsp;

	mutex_lock(&priv->mutex);

	ath_dbg(common, ATH_DBG_CONFIG,
		"Starting driver with initial channel: %d MHz\n",
		curchan->center_freq);

	/* Ensure that HW is awake before flushing RX */
	ath9k_htc_setpower(priv, ATH9K_PM_AWAKE);
	WMI_CMD(WMI_FLUSH_RECV_CMDID);

	/* setup initial channel */
	init_channel = ath9k_cmn_get_curchannel(hw, ah);

	ath9k_hw_htc_resetinit(ah);
	ret = ath9k_hw_reset(ah, init_channel, ah->caldata, false);
	if (ret) {
		ath_err(common,
			"Unable to reset hardware; reset status %d (freq %u MHz)\n",
			ret, curchan->center_freq);
		mutex_unlock(&priv->mutex);
		return ret;
	}

	ath_update_txpow(priv);

	mode = ath9k_htc_get_curmode(priv, init_channel);
	htc_mode = cpu_to_be16(mode);
	WMI_CMD_BUF(WMI_SET_MODE_CMDID, &htc_mode);
	WMI_CMD(WMI_ATH_INIT_CMDID);
	WMI_CMD(WMI_START_RECV_CMDID);

	ath9k_host_rx_init(priv);

	priv->op_flags &= ~OP_INVALID;
	htc_start(priv->htc);

	spin_lock_bh(&priv->tx_lock);
	priv->tx_queues_stop = false;
	spin_unlock_bh(&priv->tx_lock);

	ieee80211_wake_queues(hw);

	if (ah->btcoex_hw.scheme == ATH_BTCOEX_CFG_3WIRE) {
		ath9k_hw_btcoex_set_weight(ah, AR_BT_COEX_WGHT,
					   AR_STOMP_LOW_WLAN_WGHT);
		ath9k_hw_btcoex_enable(ah);
		ath_htc_resume_btcoex_work(priv);
	}
	mutex_unlock(&priv->mutex);

	return ret;
}