int ath6kl_core_init(struct ath6kl *ar, enum ath6kl_htc_type htc_type)
{
	struct ath6kl_bmi_target_info targ_info;
	struct wireless_dev *wdev;
	int ret = 0, i;

	switch (htc_type) {
	case ATH6KL_HTC_TYPE_MBOX:
		ath6kl_htc_mbox_attach(ar);
		break;
	case ATH6KL_HTC_TYPE_PIPE:
		ath6kl_htc_pipe_attach(ar);
		break;
	default:
		WARN_ON(1);
		return -ENOMEM;
	}

	ar->ath6kl_wq = create_singlethread_workqueue("ath6kl");
	if (!ar->ath6kl_wq)
		return -ENOMEM;

	ret = ath6kl_bmi_init(ar);
	if (ret)
		goto err_wq;

	/*
	 * Turn on power to get hardware (target) version and leave power
	 * on delibrately as we will boot the hardware anyway within few
	 * seconds.
	 */
	ret = ath6kl_hif_power_on(ar);
	if (ret)
		goto err_bmi_cleanup;

	ret = ath6kl_bmi_get_target_info(ar, &targ_info);
	if (ret)
		goto err_power_off;

	ar->version.target_ver = le32_to_cpu(targ_info.version);
	ar->target_type = le32_to_cpu(targ_info.type);
	ar->wiphy->hw_version = le32_to_cpu(targ_info.version);

	ret = ath6kl_init_hw_params(ar);
	if (ret)
		goto err_power_off;

	ar->htc_target = ath6kl_htc_create(ar);

	if (!ar->htc_target) {
		ret = -ENOMEM;
		goto err_power_off;
	}

	ar->testmode = testmode;

	ret = ath6kl_init_fetch_firmwares(ar);
	if (ret)
		goto err_htc_cleanup;

#ifdef CONFIG_MACH_PX
	ath6kl_mangle_mac_address(ar);
#endif

	/* FIXME: we should free all firmwares in the error cases below */

	/* Indicate that WMI is enabled (although not ready yet) */
	set_bit(WMI_ENABLED, &ar->flag);
	ar->wmi = ath6kl_wmi_init(ar);
	if (!ar->wmi) {
		ath6kl_err("failed to initialize wmi\n");
		ret = -EIO;
		goto err_htc_cleanup;
	}

	ath6kl_dbg(ATH6KL_DBG_TRC, "%s: got wmi @ 0x%p.\n", __func__, ar->wmi);

	/* setup access class priority mappings */
	ar->ac_stream_pri_map[WMM_AC_BK] = 0; /* lowest  */
	ar->ac_stream_pri_map[WMM_AC_BE] = 1;
	ar->ac_stream_pri_map[WMM_AC_VI] = 2;
	ar->ac_stream_pri_map[WMM_AC_VO] = 3; /* highest */

	/* allocate some buffers that handle larger AMSDU frames */
	ath6kl_refill_amsdu_rxbufs(ar, ATH6KL_MAX_AMSDU_RX_BUFFERS);

	ath6kl_cookie_init(ar);

	ar->conf_flags = ATH6KL_CONF_IGNORE_ERP_BARKER |
			 ATH6KL_CONF_ENABLE_11N | ATH6KL_CONF_ENABLE_TX_BURST;

	if (suspend_mode &&
	    suspend_mode >= WLAN_POWER_STATE_CUT_PWR &&
	    suspend_mode <= WLAN_POWER_STATE_WOW)
		ar->suspend_mode = suspend_mode;
	else
		ar->suspend_mode = 0;

	if (suspend_mode == WLAN_POWER_STATE_WOW &&
	    (wow_mode == WLAN_POWER_STATE_CUT_PWR ||
	     wow_mode == WLAN_POWER_STATE_DEEP_SLEEP))
		ar->wow_suspend_mode = wow_mode;
	else
		ar->wow_suspend_mode = 0;

	if (uart_debug)
		ar->conf_flags |= ATH6KL_CONF_UART_DEBUG;

	set_bit(FIRST_BOOT, &ar->flag);

	ath6kl_debug_init(ar);

	ret = ath6kl_init_hw_start(ar);
	if (ret) {
		ath6kl_err("Failed to start hardware: %d\n", ret);
		goto err_rxbuf_cleanup;
	}

	/* give our connected endpoints some buffers */
	ath6kl_rx_refill(ar->htc_target, ar->ctrl_ep);
	ath6kl_rx_refill(ar->htc_target, ar->ac2ep_map[WMM_AC_BE]);

	ret = ath6kl_cfg80211_init(ar);
	if (ret)
		goto err_rxbuf_cleanup;

	ret = ath6kl_debug_init_fs(ar);
	if (ret) {
		wiphy_unregister(ar->wiphy);
		goto err_rxbuf_cleanup;
	}

	for (i = 0; i < ar->vif_max; i++)
		ar->avail_idx_map |= BIT(i);

	rtnl_lock();

	/* Add an initial station interface */
	wdev = ath6kl_interface_add(ar, "wlan%d", NL80211_IFTYPE_STATION, 0,
				    INFRA_NETWORK);

	rtnl_unlock();

	if (!wdev) {
		ath6kl_err("Failed to instantiate a network device\n");
		ret = -ENOMEM;
		wiphy_unregister(ar->wiphy);
		goto err_rxbuf_cleanup;
	}

	ath6kl_dbg(ATH6KL_DBG_TRC, "%s: name=%s dev=0x%p, ar=0x%p\n",
		   __func__, wdev->netdev->name, wdev->netdev, ar);

	return ret;

err_rxbuf_cleanup:
	ath6kl_debug_cleanup(ar);
	ath6kl_htc_flush_rx_buf(ar->htc_target);
	ath6kl_cleanup_amsdu_rxbufs(ar);
	ath6kl_wmi_shutdown(ar->wmi);
	clear_bit(WMI_ENABLED, &ar->flag);
	ar->wmi = NULL;
err_htc_cleanup:
	ath6kl_htc_cleanup(ar->htc_target);
err_power_off:
	ath6kl_hif_power_off(ar);
err_bmi_cleanup:
	ath6kl_bmi_cleanup(ar);
err_wq:
	destroy_workqueue(ar->ath6kl_wq);

	return ret;
}
예제 #2
0
static int ath6kl_init(struct net_device *dev)
{
	struct ath6kl *ar = ath6kl_priv(dev);
	int status = 0;
	s32 timeleft;

	if (!ar)
		return -EIO;

	/* Do we need to finish the BMI phase */
	if (ath6kl_bmi_done(ar)) {
		status = -EIO;
		goto ath6kl_init_done;
	}

	/* Indicate that WMI is enabled (although not ready yet) */
	set_bit(WMI_ENABLED, &ar->flag);
	ar->wmi = ath6kl_wmi_init(ar);
	if (!ar->wmi) {
		ath6kl_err("failed to initialize wmi\n");
		status = -EIO;
		goto ath6kl_init_done;
	}

	ath6kl_dbg(ATH6KL_DBG_TRC, "%s: got wmi @ 0x%p.\n", __func__, ar->wmi);

	wlan_node_table_init(&ar->scan_table);

	/*
	 * The reason we have to wait for the target here is that the
	 * driver layer has to init BMI in order to set the host block
	 * size.
	 */
	if (ath6kl_htc_wait_target(ar->htc_target)) {
		status = -EIO;
		goto err_node_cleanup;
	}

	if (ath6kl_init_service_ep(ar)) {
		status = -EIO;
		goto err_cleanup_scatter;
	}

	/* setup access class priority mappings */
	ar->ac_stream_pri_map[WMM_AC_BK] = 0; /* lowest  */
	ar->ac_stream_pri_map[WMM_AC_BE] = 1;
	ar->ac_stream_pri_map[WMM_AC_VI] = 2;
	ar->ac_stream_pri_map[WMM_AC_VO] = 3; /* highest */

	/* give our connected endpoints some buffers */
	ath6kl_rx_refill(ar->htc_target, ar->ctrl_ep);
	ath6kl_rx_refill(ar->htc_target, ar->ac2ep_map[WMM_AC_BE]);

	/* allocate some buffers that handle larger AMSDU frames */
	ath6kl_refill_amsdu_rxbufs(ar, ATH6KL_MAX_AMSDU_RX_BUFFERS);

	/* setup credit distribution */
	ath6k_setup_credit_dist(ar->htc_target, &ar->credit_state_info);

	ath6kl_cookie_init(ar);

	/* start HTC */
	status = ath6kl_htc_start(ar->htc_target);

	if (status) {
		ath6kl_cookie_cleanup(ar);
		goto err_rxbuf_cleanup;
	}

	/* Wait for Wmi event to be ready */
	timeleft = wait_event_interruptible_timeout(ar->event_wq,
						    test_bit(WMI_READY,
							     &ar->flag),
						    WMI_TIMEOUT);

	if (ar->version.abi_ver != ATH6KL_ABI_VERSION) {
		ath6kl_err("abi version mismatch: host(0x%x), target(0x%x)\n",
			   ATH6KL_ABI_VERSION, ar->version.abi_ver);
		status = -EIO;
		goto err_htc_stop;
	}

	if (!timeleft || signal_pending(current)) {
		ath6kl_err("wmi is not ready or wait was interrupted\n");
		status = -EIO;
		goto err_htc_stop;
	}

	ath6kl_dbg(ATH6KL_DBG_TRC, "%s: wmi is ready\n", __func__);

	/* communicate the wmi protocol verision to the target */
	if ((ath6kl_set_host_app_area(ar)) != 0)
		ath6kl_err("unable to set the host app area\n");

	ar->conf_flags = ATH6KL_CONF_IGNORE_ERP_BARKER |
			 ATH6KL_CONF_ENABLE_11N | ATH6KL_CONF_ENABLE_TX_BURST;

	status = ath6kl_target_config_wlan_params(ar);
	if (!status)
		goto ath6kl_init_done;

err_htc_stop:
	ath6kl_htc_stop(ar->htc_target);
err_rxbuf_cleanup:
	ath6kl_htc_flush_rx_buf(ar->htc_target);
	ath6kl_cleanup_amsdu_rxbufs(ar);
err_cleanup_scatter:
	ath6kl_hif_cleanup_scatter(ar);
err_node_cleanup:
	wlan_node_table_cleanup(&ar->scan_table);
	ath6kl_wmi_shutdown(ar->wmi);
	clear_bit(WMI_ENABLED, &ar->flag);
	ar->wmi = NULL;

ath6kl_init_done:
	return status;
}
예제 #3
0
int ath6kl_core_init(struct ath6kl *ar)
{
	struct ath6kl_bmi_target_info targ_info;
	struct net_device *ndev;
	int ret = 0, i;

	ar->ath6kl_wq = create_singlethread_workqueue("ath6kl");
	if (!ar->ath6kl_wq)
		return -ENOMEM;

	ret = ath6kl_bmi_init(ar);
	if (ret)
		goto err_wq;

	ret = ath6kl_hif_power_on(ar);
	if (ret)
		goto err_bmi_cleanup;

	ret = ath6kl_bmi_get_target_info(ar, &targ_info);
	if (ret)
		goto err_power_off;

	ar->version.target_ver = le32_to_cpu(targ_info.version);
	ar->target_type = le32_to_cpu(targ_info.type);
	ar->wiphy->hw_version = le32_to_cpu(targ_info.version);

	ret = ath6kl_init_hw_params(ar);
	if (ret)
		goto err_power_off;

	ar->htc_target = ath6kl_htc_create(ar);

	if (!ar->htc_target) {
		ret = -ENOMEM;
		goto err_power_off;
	}

	ar->testmode = testmode;

	ret = ath6kl_init_fetch_firmwares(ar);
	if (ret)
		goto err_htc_cleanup;

	

	
	set_bit(WMI_ENABLED, &ar->flag);
	ar->wmi = ath6kl_wmi_init(ar);
	if (!ar->wmi) {
		ath6kl_err("failed to initialize wmi\n");
		ret = -EIO;
		goto err_htc_cleanup;
	}

	ath6kl_dbg(ATH6KL_DBG_TRC, "%s: got wmi @ 0x%p.\n", __func__, ar->wmi);

	
	ar->ac_stream_pri_map[WMM_AC_BK] = 0; 
	ar->ac_stream_pri_map[WMM_AC_BE] = 1;
	ar->ac_stream_pri_map[WMM_AC_VI] = 2;
	ar->ac_stream_pri_map[WMM_AC_VO] = 3; 

	
	ath6kl_refill_amsdu_rxbufs(ar, ATH6KL_MAX_AMSDU_RX_BUFFERS);

	ath6kl_cookie_init(ar);

	ar->conf_flags = ATH6KL_CONF_IGNORE_ERP_BARKER |
			 ATH6KL_CONF_ENABLE_11N | ATH6KL_CONF_ENABLE_TX_BURST;

	if (suspend_mode &&
	    suspend_mode >= WLAN_POWER_STATE_CUT_PWR &&
	    suspend_mode <= WLAN_POWER_STATE_WOW)
		ar->suspend_mode = suspend_mode;
	else
		ar->suspend_mode = 0;

	if (suspend_mode == WLAN_POWER_STATE_WOW &&
	    (wow_mode == WLAN_POWER_STATE_CUT_PWR ||
	     wow_mode == WLAN_POWER_STATE_DEEP_SLEEP))
		ar->wow_suspend_mode = wow_mode;
	else
		ar->wow_suspend_mode = 0;

	if (uart_debug)
		ar->conf_flags |= ATH6KL_CONF_UART_DEBUG;

	set_bit(FIRST_BOOT, &ar->flag);

	ath6kl_debug_init(ar);

	ret = ath6kl_init_hw_start(ar);
	if (ret) {
		ath6kl_err("Failed to start hardware: %d\n", ret);
		goto err_rxbuf_cleanup;
	}

	
	ath6kl_rx_refill(ar->htc_target, ar->ctrl_ep);
	ath6kl_rx_refill(ar->htc_target, ar->ac2ep_map[WMM_AC_BE]);

	ret = ath6kl_cfg80211_init(ar);
	if (ret)
		goto err_rxbuf_cleanup;

	ret = ath6kl_debug_init_fs(ar);
	if (ret) {
		wiphy_unregister(ar->wiphy);
		goto err_rxbuf_cleanup;
	}

	for (i = 0; i < ar->vif_max; i++)
		ar->avail_idx_map |= BIT(i);

	rtnl_lock();

	
	ndev = ath6kl_interface_add(ar, "wlan%d", NL80211_IFTYPE_STATION, 0,
				    INFRA_NETWORK);

	rtnl_unlock();

	if (!ndev) {
		ath6kl_err("Failed to instantiate a network device\n");
		ret = -ENOMEM;
		wiphy_unregister(ar->wiphy);
		goto err_rxbuf_cleanup;
	}

	ath6kl_dbg(ATH6KL_DBG_TRC, "%s: name=%s dev=0x%p, ar=0x%p\n",
		   __func__, ndev->name, ndev, ar);

	return ret;

err_rxbuf_cleanup:
	ath6kl_debug_cleanup(ar);
	ath6kl_htc_flush_rx_buf(ar->htc_target);
	ath6kl_cleanup_amsdu_rxbufs(ar);
	ath6kl_wmi_shutdown(ar->wmi);
	clear_bit(WMI_ENABLED, &ar->flag);
	ar->wmi = NULL;
err_htc_cleanup:
	ath6kl_htc_cleanup(ar->htc_target);
err_power_off:
	ath6kl_hif_power_off(ar);
err_bmi_cleanup:
	ath6kl_bmi_cleanup(ar);
err_wq:
	destroy_workqueue(ar->ath6kl_wq);

	return ret;
}