Ejemplo n.º 1
0
static int ath9k_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 ret = 0, i;
	int csz = 0;

	ah = kzalloc(sizeof(struct ath_hw), GFP_KERNEL);
	if (!ah)
		return -ENOMEM;

	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;

	spin_lock_init(&sc->wiphy_lock);
	spin_lock_init(&sc->sc_resetlock);
	spin_lock_init(&sc->sc_serial_rw);
	spin_lock_init(&sc->sc_pm_lock);
	mutex_init(&sc->mutex);
	tasklet_init(&sc->intr_tq, ath9k_tasklet, (unsigned long)sc);
	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(common, &csz);
	common->cachelsz = csz << 2; /* convert to bytes */

	ret = ath9k_hw_init(ah);
	if (ret) {
		ath_print(common, ATH_DBG_FATAL,
			  "Unable to initialize hardware; "
			  "initialization status: %d\n", ret);
		goto err_hw;
	}

	ret = ath9k_init_debug(ah);
	if (ret) {
		ath_print(common, ATH_DBG_FATAL,
			  "Unable to create debugfs files\n");
		goto err_debug;
	}

	ret = ath9k_init_queues(sc);
	if (ret)
		goto err_queues;

	ret =  ath9k_init_btcoex(sc);
	if (ret)
		goto err_btcoex;

	ath9k_init_crypto(sc);
	ath9k_init_channels_rates(sc);
	ath9k_init_misc(sc);

	return 0;

err_btcoex:
	for (i = 0; i < ATH9K_NUM_TX_QUEUES; i++)
		if (ATH_TXQ_SETUP(sc, i))
			ath_tx_cleanupq(sc, &sc->tx.txq[i]);
err_queues:
	ath9k_exit_debug(ah);
err_debug:
	ath9k_hw_deinit(ah);
err_hw:
	tasklet_kill(&sc->intr_tq);
	tasklet_kill(&sc->bcon_tasklet);

	kfree(ah);
	sc->sc_ah = NULL;

	return ret;
}
Ejemplo n.º 2
0
int ath9k_init_device(u16 devid, struct ath_softc *sc,
		    const struct ath_bus_ops *bus_ops)
{
	struct ieee80211_hw *hw = sc->hw;
	struct ath_common *common;
	struct ath_hw *ah;
	int error = 0;
	struct ath_regulatory *reg;

	/* Bring up device */
	error = ath9k_init_softc(devid, sc, bus_ops);
	if (error != 0)
		goto error_init;

	ah = sc->sc_ah;
	common = ath9k_hw_common(ah);
	ath9k_set_hw_capab(sc, hw);

	/* Initialize regulatory */
	error = ath_regd_init(&common->regulatory, sc->hw->wiphy,
			      ath9k_reg_notifier);
	if (error)
		goto error_regd;

	reg = &common->regulatory;

	/* Setup TX DMA */
	error = ath_tx_init(sc, ATH_TXBUF);
	if (error != 0)
		goto error_tx;

	/* Setup RX DMA */
	error = ath_rx_init(sc, ATH_RXBUF);
	if (error != 0)
		goto error_rx;

	ath9k_init_txpower_limits(sc);

#ifdef CONFIG_MAC80211_LEDS
	/* must be initialized before ieee80211_register_hw */
	sc->led_cdev.default_trigger = ieee80211_create_tpt_led_trigger(sc->hw,
		IEEE80211_TPT_LEDTRIG_FL_RADIO, ath9k_tpt_blink,
		ARRAY_SIZE(ath9k_tpt_blink));
#endif

	INIT_WORK(&sc->hw_reset_work, ath_reset_work);
	INIT_WORK(&sc->hw_check_work, ath_hw_check);
	INIT_WORK(&sc->paprd_work, ath_paprd_calibrate);
	INIT_DELAYED_WORK(&sc->hw_pll_work, ath_hw_pll_work);

	/* Register with mac80211 */
	error = ieee80211_register_hw(hw);
	if (error)
		goto error_register;

	error = ath9k_init_debug(ah);
	if (error) {
		ath_err(common, "Unable to create debugfs files\n");
		goto error_world;
	}

	/* Handle world regulatory */
	if (!ath_is_world_regd(reg)) {
		error = regulatory_hint(hw->wiphy, reg->alpha2);
		if (error)
			goto error_world;
	}

	setup_timer(&sc->rx_poll_timer, ath_rx_poll, (unsigned long)sc);
	sc->last_rssi = ATH_RSSI_DUMMY_MARKER;

	ath_init_leds(sc);
	ath_start_rfkill_poll(sc);

	return 0;

error_world:
	ieee80211_unregister_hw(hw);
error_register:
	ath_rx_cleanup(sc);
error_rx:
	ath_tx_cleanup(sc);
error_tx:
	/* Nothing */
error_regd:
	ath9k_deinit_softc(sc);
error_init:
	return error;
}
Ejemplo n.º 3
0
int ath9k_init_device(u16 devid, struct ath_softc *sc,
		    const struct ath_bus_ops *bus_ops)
{
	struct ieee80211_hw *hw = sc->hw;
	struct ath_common *common;
	struct ath_hw *ah;
	int error = 0;
	struct ath_regulatory *reg;

	/* Bring up device */
	error = ath9k_init_softc(devid, sc, bus_ops);
	if (error)
		return error;

	ah = sc->sc_ah;
	common = ath9k_hw_common(ah);
	ath9k_set_hw_capab(sc, hw);

	/* Initialize regulatory */
	error = ath_regd_init(&common->regulatory, sc->hw->wiphy,
			      ath9k_reg_notifier);
	if (error)
		goto deinit;

	reg = &common->regulatory;

	/* Setup TX DMA */
	error = ath_tx_init(sc, ATH_TXBUF);
	if (error != 0)
		goto deinit;

	/* Setup RX DMA */
	error = ath_rx_init(sc, ATH_RXBUF);
	if (error != 0)
		goto deinit;

	ath9k_init_txpower_limits(sc);

#ifdef CONFIG_MAC80211_LEDS
	/* must be initialized before ieee80211_register_hw */
	sc->led_cdev.default_trigger = ieee80211_create_tpt_led_trigger(sc->hw,
		IEEE80211_TPT_LEDTRIG_FL_RADIO, ath9k_tpt_blink,
		ARRAY_SIZE(ath9k_tpt_blink));
#endif

	/* Register with mac80211 */
	error = ieee80211_register_hw(hw);
	if (error)
		goto rx_cleanup;

	error = ath9k_init_debug(ah);
	if (error) {
		ath_err(common, "Unable to create debugfs files\n");
		goto unregister;
	}

	/* Handle world regulatory */
	if (!ath_is_world_regd(reg)) {
		error = regulatory_hint(hw->wiphy, reg->alpha2);
		if (error)
			goto debug_cleanup;
	}

	ath_init_leds(sc);
	ath_start_rfkill_poll(sc);

	return 0;

debug_cleanup:
	ath9k_deinit_debug(sc);
unregister:
	ieee80211_unregister_hw(hw);
rx_cleanup:
	ath_rx_cleanup(sc);
deinit:
	ath9k_deinit_softc(sc);
	return error;
}