Example #1
0
static int ath_pci_resume(struct device *device)
{
	struct pci_dev *pdev = to_pci_dev(device);
	struct ieee80211_hw *hw = pci_get_drvdata(pdev);
	struct ath_softc *sc = hw->priv;
	u32 val;

	/*
	 * Suspend/Resume resets the PCI configuration space, so we have to
	 * re-disable the RETRY_TIMEOUT register (0x41) to keep
	 * PCI Tx retries from interfering with C3 CPU state
	 */
	pci_read_config_dword(pdev, 0x40, &val);
	if ((val & 0x0000ff00) != 0)
		pci_write_config_dword(pdev, 0x40, val & 0xffff00ff);

	ath9k_ps_wakeup(sc);
	/* Enable LED */
	ath9k_hw_cfg_output(sc->sc_ah, sc->sc_ah->led_pin,
			    AR_GPIO_OUTPUT_MUX_AS_OUTPUT);
	ath9k_hw_set_gpio(sc->sc_ah, sc->sc_ah->led_pin, 0);

	  /*
	   * Reset key cache to sane defaults (all entries cleared) instead of
	   * semi-random values after suspend/resume.
	   */
	ath9k_cmn_init_crypto(sc->sc_ah);
	ath9k_ps_restore(sc);

	sc->ps_idle = true;
	ath_radio_disable(sc, hw);

	return 0;
}
Example #2
0
void ath_init_leds(struct ath_softc *sc)
{
	char *trigger;
	int ret;

	if (AR_SREV_9287(sc->sc_ah))
		sc->sc_ah->led_pin = ATH_LED_PIN_9287;
	else if (AR_SREV_9300(sc->sc_ah))
		sc->sc_ah->led_pin = ATH_LED_PIN_9300;
	else
		sc->sc_ah->led_pin = ATH_LED_PIN_DEF;

	/* Configure gpio 1 for output */
	ath9k_hw_cfg_output(sc->sc_ah, sc->sc_ah->led_pin,
			    AR_GPIO_OUTPUT_MUX_AS_OUTPUT);
	/* LED off, active low */
	ath9k_hw_set_gpio(sc->sc_ah, sc->sc_ah->led_pin, 1);

	if (led_blink)
		INIT_DELAYED_WORK(&sc->ath_led_blink_work, ath_led_blink_work);

	trigger = ieee80211_get_radio_led_name(sc->hw);
	snprintf(sc->radio_led.name, sizeof(sc->radio_led.name),
		"ath9k-%s::radio", wiphy_name(sc->hw->wiphy));
	ret = ath_register_led(sc, &sc->radio_led, trigger);
	sc->radio_led.led_type = ATH_LED_RADIO;
	if (ret)
		goto fail;

	trigger = ieee80211_get_assoc_led_name(sc->hw);
	snprintf(sc->assoc_led.name, sizeof(sc->assoc_led.name),
		"ath9k-%s::assoc", wiphy_name(sc->hw->wiphy));
	ret = ath_register_led(sc, &sc->assoc_led, trigger);
	sc->assoc_led.led_type = ATH_LED_ASSOC;
	if (ret)
		goto fail;

	trigger = ieee80211_get_tx_led_name(sc->hw);
	snprintf(sc->tx_led.name, sizeof(sc->tx_led.name),
		"ath9k-%s::tx", wiphy_name(sc->hw->wiphy));
	ret = ath_register_led(sc, &sc->tx_led, trigger);
	sc->tx_led.led_type = ATH_LED_TX;
	if (ret)
		goto fail;

	trigger = ieee80211_get_rx_led_name(sc->hw);
	snprintf(sc->rx_led.name, sizeof(sc->rx_led.name),
		"ath9k-%s::rx", wiphy_name(sc->hw->wiphy));
	ret = ath_register_led(sc, &sc->rx_led, trigger);
	sc->rx_led.led_type = ATH_LED_RX;
	if (ret)
		goto fail;

	return;

fail:
	if (led_blink)
		cancel_delayed_work_sync(&sc->ath_led_blink_work);
	ath_deinit_leds(sc);
}
Example #3
0
void ath9k_init_leds(struct ath9k_htc_priv *priv)
{
	int ret;

	if (AR_SREV_9287(priv->ah))
		priv->ah->led_pin = ATH_LED_PIN_9287;
	else if (AR_SREV_9271(priv->ah))
		priv->ah->led_pin = ATH_LED_PIN_9271;
	else if (AR_DEVID_7010(priv->ah))
		priv->ah->led_pin = ATH_LED_PIN_7010;
	else
		priv->ah->led_pin = ATH_LED_PIN_DEF;

	/* Configure gpio 1 for output */
	ath9k_hw_cfg_output(priv->ah, priv->ah->led_pin,
			    AR_GPIO_OUTPUT_MUX_AS_OUTPUT);
	/* LED off, active low */
	ath9k_hw_set_gpio(priv->ah, priv->ah->led_pin, 1);

	snprintf(priv->led_name, sizeof(priv->led_name),
		"ath9k_htc-%s", wiphy_name(priv->hw->wiphy));
	priv->led_cdev.name = priv->led_name;
	priv->led_cdev.brightness_set = ath9k_led_brightness;

	ret = led_classdev_register(wiphy_dev(priv->hw->wiphy), &priv->led_cdev);
	if (ret < 0)
		return;

	INIT_WORK(&priv->led_work, ath9k_led_work);
	priv->led_registered = true;

	return;
}
Example #4
0
static int ath_pci_resume(struct pci_dev *pdev)
{
	struct ieee80211_hw *hw = pci_get_drvdata(pdev);
	struct ath_wiphy *aphy = hw->priv;
	struct ath_softc *sc = aphy->sc;
	u32 val;
	int err;

	pci_restore_state(pdev);

	err = pci_enable_device(pdev);
	if (err)
		return err;

	/*
	 * Suspend/Resume resets the PCI configuration space, so we have to
	 * re-disable the RETRY_TIMEOUT register (0x41) to keep
	 * PCI Tx retries from interfering with C3 CPU state
	 */
	pci_read_config_dword(pdev, 0x40, &val);
	if ((val & 0x0000ff00) != 0)
		pci_write_config_dword(pdev, 0x40, val & 0xffff00ff);

	/* Enable LED */
	ath9k_hw_cfg_output(sc->sc_ah, sc->sc_ah->led_pin,
			    AR_GPIO_OUTPUT_MUX_AS_OUTPUT);
	ath9k_hw_set_gpio(sc->sc_ah, sc->sc_ah->led_pin, 1);

	sc->ps_idle = true;
	ath9k_set_wiphy_idle(aphy, true);
	ath_radio_disable(sc, hw);

	return 0;
}
Example #5
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);
}
Example #6
0
void ath_init_leds(struct ath_softc *sc)
{
	int ret;

	if (AR_SREV_9100(sc->sc_ah))
		return;

	if (sc->sc_ah->led_pin < 0) {
		if (AR_SREV_9287(sc->sc_ah))
			sc->sc_ah->led_pin = ATH_LED_PIN_9287;
		else if (AR_SREV_9485(sc->sc_ah))
			sc->sc_ah->led_pin = ATH_LED_PIN_9485;
		else if (AR_SREV_9300(sc->sc_ah))
			sc->sc_ah->led_pin = ATH_LED_PIN_9300;
		else if (AR_SREV_9462(sc->sc_ah))
			sc->sc_ah->led_pin = ATH_LED_PIN_9462;
		else
			sc->sc_ah->led_pin = ATH_LED_PIN_DEF;
	}

	/* Configure gpio 1 for output */
	ath9k_hw_cfg_output(sc->sc_ah, sc->sc_ah->led_pin,
			    AR_GPIO_OUTPUT_MUX_AS_OUTPUT);
	/* LED off, active low */
	ath9k_hw_set_gpio(sc->sc_ah, sc->sc_ah->led_pin, 1);

	if (!led_blink)
		sc->led_cdev.default_trigger =
			ieee80211_get_radio_led_name(sc->hw);

	snprintf(sc->led_name, sizeof(sc->led_name),
		"ath9k-%s", wiphy_name(sc->hw->wiphy));
	sc->led_cdev.name = sc->led_name;
	sc->led_cdev.brightness_set = ath_led_brightness;

	ret = led_classdev_register(wiphy_dev(sc->hw->wiphy), &sc->led_cdev);
	if (ret < 0)
		return;

	sc->led_registered = true;
}
Example #7
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);
}
Example #8
0
void ath_fill_led_pin(struct ath_softc *sc)
{
	struct ath_hw *ah = sc->sc_ah;

	if (AR_SREV_9100(ah) || (ah->led_pin >= 0))
		return;

	if (AR_SREV_9287(ah))
		ah->led_pin = ATH_LED_PIN_9287;
	else if (AR_SREV_9485(sc->sc_ah))
		ah->led_pin = ATH_LED_PIN_9485;
	else if (AR_SREV_9300(sc->sc_ah))
		ah->led_pin = ATH_LED_PIN_9300;
	else if (AR_SREV_9462(sc->sc_ah) || AR_SREV_9565(sc->sc_ah))
		ah->led_pin = ATH_LED_PIN_9462;
	else
		ah->led_pin = ATH_LED_PIN_DEF;

	/* Configure gpio 1 for output */
	ath9k_hw_cfg_output(ah, ah->led_pin, AR_GPIO_OUTPUT_MUX_AS_OUTPUT);

	/* LED off, active low */
	ath9k_hw_set_gpio(ah, ah->led_pin, 1);
}
static void ar9003_mci_observation_set_up(struct ath_hw *ah)
{
	struct ath9k_hw_mci *mci = &ah->btcoex_hw.mci;

	if (mci->config & ATH_MCI_CONFIG_MCI_OBS_MCI) {
		ath9k_hw_cfg_output(ah, 3, AR_GPIO_OUTPUT_MUX_AS_MCI_WLAN_DATA);
		ath9k_hw_cfg_output(ah, 2, AR_GPIO_OUTPUT_MUX_AS_MCI_WLAN_CLK);
		ath9k_hw_cfg_output(ah, 1, AR_GPIO_OUTPUT_MUX_AS_MCI_BT_DATA);
		ath9k_hw_cfg_output(ah, 0, AR_GPIO_OUTPUT_MUX_AS_MCI_BT_CLK);
	} else if (mci->config & ATH_MCI_CONFIG_MCI_OBS_TXRX) {
		ath9k_hw_cfg_output(ah, 3, AR_GPIO_OUTPUT_MUX_AS_WL_IN_TX);
		ath9k_hw_cfg_output(ah, 2, AR_GPIO_OUTPUT_MUX_AS_WL_IN_RX);
		ath9k_hw_cfg_output(ah, 1, AR_GPIO_OUTPUT_MUX_AS_BT_IN_TX);
		ath9k_hw_cfg_output(ah, 0, AR_GPIO_OUTPUT_MUX_AS_BT_IN_RX);
		ath9k_hw_cfg_output(ah, 5, AR_GPIO_OUTPUT_MUX_AS_OUTPUT);
	} else if (mci->config & ATH_MCI_CONFIG_MCI_OBS_BT) {
		ath9k_hw_cfg_output(ah, 3, AR_GPIO_OUTPUT_MUX_AS_BT_IN_TX);
		ath9k_hw_cfg_output(ah, 2, AR_GPIO_OUTPUT_MUX_AS_BT_IN_RX);
		ath9k_hw_cfg_output(ah, 1, AR_GPIO_OUTPUT_MUX_AS_MCI_BT_DATA);
		ath9k_hw_cfg_output(ah, 0, AR_GPIO_OUTPUT_MUX_AS_MCI_BT_CLK);
	} else
		return;

	REG_SET_BIT(ah, AR_GPIO_INPUT_EN_VAL, AR_GPIO_JTAG_DISABLE);

	REG_RMW_FIELD(ah, AR_PHY_GLB_CONTROL, AR_GLB_DS_JTAG_DISABLE, 1);
	REG_RMW_FIELD(ah, AR_PHY_GLB_CONTROL, AR_GLB_WLAN_UART_INTF_EN, 0);
	REG_SET_BIT(ah, AR_GLB_GPIO_CONTROL, ATH_MCI_CONFIG_MCI_OBS_GPIO);

	REG_RMW_FIELD(ah, AR_BTCOEX_CTRL2, AR_BTCOEX_CTRL2_GPIO_OBS_SEL, 0);
	REG_RMW_FIELD(ah, AR_BTCOEX_CTRL2, AR_BTCOEX_CTRL2_MAC_BB_OBS_SEL, 1);
	REG_WRITE(ah, AR_OBS, 0x4b);
	REG_RMW_FIELD(ah, AR_DIAG_SW, AR_DIAG_OBS_PT_SEL1, 0x03);
	REG_RMW_FIELD(ah, AR_DIAG_SW, AR_DIAG_OBS_PT_SEL2, 0x01);
	REG_RMW_FIELD(ah, AR_MACMISC, AR_MACMISC_MISC_OBS_BUS_LSB, 0x02);
	REG_RMW_FIELD(ah, AR_MACMISC, AR_MACMISC_MISC_OBS_BUS_MSB, 0x03);
	REG_RMW_FIELD(ah, AR_PHY_TEST_CTL_STATUS,
		      AR_PHY_TEST_CTL_DEBUGPORT_SEL, 0x07);
}