Example #1
0
File: core.c Project: 3null/linux
/* mac80211 manages fw/hw initialization through start/stop hooks. However in
 * order to know what hw capabilities should be advertised to mac80211 it is
 * necessary to load the firmware (and tear it down immediately since start
 * hook will try to init it again) before registering */
static int ath10k_core_probe_fw(struct ath10k *ar)
{
	struct bmi_target_info target_info;
	int ret = 0;

	ret = ath10k_hif_power_up(ar);
	if (ret) {
		ath10k_err(ar, "could not start pci hif (%d)\n", ret);
		return ret;
	}

	memset(&target_info, 0, sizeof(target_info));
	ret = ath10k_bmi_get_target_info(ar, &target_info);
	if (ret) {
		ath10k_err(ar, "could not get target info (%d)\n", ret);
		ath10k_hif_power_down(ar);
		return ret;
	}

	ar->target_version = target_info.version;
	ar->hw->wiphy->hw_version = target_info.version;

	ret = ath10k_init_hw_params(ar);
	if (ret) {
		ath10k_err(ar, "could not get hw params (%d)\n", ret);
		ath10k_hif_power_down(ar);
		return ret;
	}

	ret = ath10k_core_fetch_firmware_files(ar);
	if (ret) {
		ath10k_err(ar, "could not fetch firmware files (%d)\n", ret);
		ath10k_hif_power_down(ar);
		return ret;
	}

	mutex_lock(&ar->conf_mutex);

	ret = ath10k_core_start(ar, ATH10K_FIRMWARE_MODE_NORMAL);
	if (ret) {
		ath10k_err(ar, "could not init core (%d)\n", ret);
		ath10k_core_free_firmware_files(ar);
		ath10k_hif_power_down(ar);
		mutex_unlock(&ar->conf_mutex);
		return ret;
	}

	ath10k_print_driver_info(ar);
	ath10k_core_stop(ar);

	mutex_unlock(&ar->conf_mutex);

	ath10k_hif_power_down(ar);
	return 0;
}
Example #2
0
/* mac80211 manages fw/hw initialization through start/stop hooks. However in
 * order to know what hw capabilities should be advertised to mac80211 it is
 * necessary to load the firmware (and tear it down immediately since start
 * hook will try to init it again) before registering */
static int ath10k_core_probe_fw(struct ath10k *ar)
{
	struct bmi_target_info target_info;
	int ret = 0;

	ret = ath10k_hif_power_up(ar);
	if (ret) {
		ath10k_err("could not start pci hif (%d)\n", ret);
		return ret;
	}

	memset(&target_info, 0, sizeof(target_info));
	ret = ath10k_bmi_get_target_info(ar, &target_info);
	if (ret) {
		ath10k_err("could not get target info (%d)\n", ret);
		ath10k_hif_power_down(ar);
		return ret;
	}

	ar->target_version = target_info.version;
	ar->hw->wiphy->hw_version = target_info.version;

	ret = ath10k_init_hw_params(ar);
	if (ret) {
		ath10k_err("could not get hw params (%d)\n", ret);
		ath10k_hif_power_down(ar);
		return ret;
	}

	ret = ath10k_core_fetch_firmware_files(ar);
	if (ret) {
		ath10k_err("could not fetch firmware files (%d)\n", ret);
		ath10k_hif_power_down(ar);
		return ret;
	}

	ret = ath10k_core_start(ar);
	if (ret) {
		ath10k_err("could not init core (%d)\n", ret);
		ath10k_core_free_firmware_files(ar);
		ath10k_hif_power_down(ar);
		return ret;
	}

	ath10k_core_stop(ar);
	ath10k_hif_power_down(ar);
	return 0;
}
Example #3
0
/* mac80211 manages fw/hw initialization through start/stop hooks. However in
 * order to know what hw capabilities should be advertised to mac80211 it is
 * necessary to load the firmware (and tear it down immediately since start
 * hook will try to init it again) before registering */
static int ath10k_core_probe_fw(struct ath10k *ar)
{
	struct bmi_target_info target_info;
	int ret = 0;

	ret = ath10k_hif_power_up(ar);
	if (ret) {
		ath10k_err(ar, "could not start pci hif (%d)\n", ret);
		return ret;
	}

	memset(&target_info, 0, sizeof(target_info));
	ret = ath10k_bmi_get_target_info(ar, &target_info);
	if (ret) {
		ath10k_err(ar, "could not get target info (%d)\n", ret);
		goto err_power_down;
	}

	ar->target_version = target_info.version;
	ar->hw->wiphy->hw_version = target_info.version;

	ret = ath10k_init_hw_params(ar);
	if (ret) {
		ath10k_err(ar, "could not get hw params (%d)\n", ret);
		goto err_power_down;
	}

	ret = ath10k_core_fetch_firmware_files(ar);
	if (ret) {
		ath10k_err(ar, "could not fetch firmware files (%d)\n", ret);
		goto err_power_down;
	}

	ret = ath10k_core_init_firmware_features(ar);
	if (ret) {
		ath10k_err(ar, "fatal problem with firmware features: %d\n",
			   ret);
		goto err_free_firmware_files;
	}

	ret = ath10k_swap_code_seg_init(ar);
	if (ret) {
		ath10k_err(ar, "failed to initialize code swap segment: %d\n",
			   ret);
		goto err_free_firmware_files;
	}

	mutex_lock(&ar->conf_mutex);

	ret = ath10k_core_start(ar, ATH10K_FIRMWARE_MODE_NORMAL);
	if (ret) {
		ath10k_err(ar, "could not init core (%d)\n", ret);
		goto err_unlock;
	}

	ath10k_print_driver_info(ar);
	ath10k_core_stop(ar);

	mutex_unlock(&ar->conf_mutex);

	ath10k_hif_power_down(ar);
	return 0;

err_unlock:
	mutex_unlock(&ar->conf_mutex);

err_free_firmware_files:
	ath10k_core_free_firmware_files(ar);

err_power_down:
	ath10k_hif_power_down(ar);

	return ret;
}
Example #4
0
int ath10k_core_register(struct ath10k *ar)
{
	struct bmi_target_info target_info;
	int status;

	memset(&target_info, 0, sizeof(target_info));
	status = ath10k_bmi_get_target_info(ar, &target_info);
	if (status)
		goto err;

	ar->target_version = target_info.version;
	ar->hw->wiphy->hw_version = target_info.version;

	status = ath10k_init_hw_params(ar);
	if (status)
		goto err;

	if (ath10k_init_configure_target(ar)) {
		status = -EINVAL;
		goto err;
	}

	status = ath10k_init_download_firmware(ar);
	if (status)
		goto err;

	status = ath10k_init_uart(ar);
	if (status)
		goto err;

	ar->htc.htc_ops.target_send_suspend_complete =
		ath10k_send_suspend_complete;

	status = ath10k_htc_init(ar);
	if (status) {
		ath10k_err("could not init HTC (%d)\n", status);
		goto err;
	}

	status = ath10k_bmi_done(ar);
	if (status)
		goto err;

	status = ath10k_wmi_attach(ar);
	if (status) {
		ath10k_err("WMI attach failed: %d\n", status);
		goto err;
	}

	status = ath10k_htc_wait_target(&ar->htc);
	if (status)
		goto err_wmi_detach;

	status = ath10k_htt_attach(ar);
	if (status) {
		ath10k_err("could not attach htt (%d)\n", status);
		goto err_wmi_detach;
	}

	status = ath10k_init_connect_htc(ar);
	if (status)
		goto err_htt_detach;

	ath10k_info("firmware %s booted\n", ar->hw->wiphy->fw_version);

	status = ath10k_check_fw_version(ar);
	if (status)
		goto err_disconnect_htc;

	status = ath10k_wmi_cmd_init(ar);
	if (status) {
		ath10k_err("could not send WMI init command (%d)\n", status);
		goto err_disconnect_htc;
	}

	status = ath10k_wmi_wait_for_unified_ready(ar);
	if (status <= 0) {
		ath10k_err("wmi unified ready event not received\n");
		status = -ETIMEDOUT;
		goto err_disconnect_htc;
	}

	status = ath10k_htt_attach_target(&ar->htt);
	if (status)
		goto err_disconnect_htc;

	status = ath10k_mac_register(ar);
	if (status)
		goto err_disconnect_htc;

	status = ath10k_debug_create(ar);
	if (status) {
		ath10k_err("unable to initialize debugfs\n");
		goto err_unregister_mac;
	}

	return 0;

err_unregister_mac:
	ath10k_mac_unregister(ar);
err_disconnect_htc:
	ath10k_htc_stop(&ar->htc);
err_htt_detach:
	ath10k_htt_detach(&ar->htt);
err_wmi_detach:
	ath10k_wmi_detach(ar);
err:
	return status;
}