Ejemplo n.º 1
0
static int ath3k_probe(struct usb_interface *intf,
			const struct usb_device_id *id)
{
	const struct firmware *firmware;
	struct usb_device *udev = interface_to_usbdev(intf);
	struct ath3k_data *data;
	int size;

	BT_DBG("intf %p id %p", intf, id);

	if (intf->cur_altsetting->desc.bInterfaceNumber != 0)
		return -ENODEV;

	data = kzalloc(sizeof(*data), GFP_KERNEL);
	if (!data)
		return -ENOMEM;

	data->udev = udev;

	if (request_firmware(&firmware, "ath3k-1.fw", &udev->dev) < 0) {
		kfree(data);
		return -EIO;
	}

	size = max_t(uint, firmware->size, 4096);
	data->fw_data = kmalloc(size, GFP_KERNEL);
	if (!data->fw_data) {
		release_firmware(firmware);
		kfree(data);
		return -ENOMEM;
	}

	memcpy(data->fw_data, firmware->data, firmware->size);
	data->fw_size = firmware->size;
	data->fw_sent = 0;
	release_firmware(firmware);

	usb_set_intfdata(intf, data);
	if (ath3k_load_firmware(data, data->fw_data, data->fw_size)) {
		usb_set_intfdata(intf, NULL);
		kfree(data->fw_data);
		kfree(data);
		return -EIO;
	}

	return 0;
}
Ejemplo n.º 2
0
static int ath3k_probe(struct usb_interface *intf,
			const struct usb_device_id *id)
{
	const struct firmware *firmware;
	struct usb_device *udev = interface_to_usbdev(intf);

	BT_DBG("intf %p id %p", intf, id);

	if (intf->cur_altsetting->desc.bInterfaceNumber != 0)
		return -ENODEV;

	if (request_firmware(&firmware, "ath3k-1.fw", &udev->dev) < 0) {
		return -EIO;
	}

	if (ath3k_load_firmware(udev, firmware)) {
		release_firmware(firmware);
		return -EIO;
	}
	release_firmware(firmware);

	return 0;
}
static int ath3k_probe(struct usb_interface *intf,
			const struct usb_device_id *id)
{
	const struct firmware *firmware;
	struct usb_device *udev = interface_to_usbdev(intf);
	int ret;
	struct ath3k_version version;

	BT_DBG("intf %p id %p", intf, id);

	if (intf->cur_altsetting->desc.bInterfaceNumber != 0)
		return -ENODEV;

	ret = get_rome_version(udev, &version);
	if (!ret) {
		BT_INFO("Rome detected, fw dnld will be triggered from btusb");
		return -ENODEV;
	}

	/* match device ID in ath3k blacklist table */
	if (!id->driver_info) {
		const struct usb_device_id *match;
		match = usb_match_id(intf, ath3k_blist_tbl);
		if (match)
			id = match;
	}

	/* load patch and sysconfig files for AR3012 */
	if (id->driver_info & BTUSB_ATH3012) {

		/* New firmware with patch and sysconfig files already loaded */
		if (le16_to_cpu(udev->descriptor.bcdDevice) > 0x0001)
			return -ENODEV;

		ret = ath3k_load_patch(udev, &version);
		if (ret < 0) {
			BT_ERR("Loading patch file failed");
			return ret;
		}
		ret = ath3k_load_syscfg(udev, &version);
		if (ret < 0) {
			BT_ERR("Loading sysconfig file failed");
			return ret;
		}
		ret = ath3k_set_normal_mode(udev);
		if (ret < 0) {
			BT_ERR("Set normal mode failed");
			return ret;
		}
		ath3k_switch_pid(udev);
		return 0;
	}

	ret = request_firmware(&firmware, ATH3K_FIRMWARE, &udev->dev);
	if (ret < 0) {
		if (ret == -ENOENT)
			BT_ERR("Firmware file \"%s\" not found",
							ATH3K_FIRMWARE);
		else
			BT_ERR("Firmware file \"%s\" request failed (err=%d)",
							ATH3K_FIRMWARE, ret);
		return ret;
	}

	ret = ath3k_load_firmware(udev, firmware);
	release_firmware(firmware);

	return ret;
}