greybus: es1-ap-usb: more init framework added.

};

MODULE_DEVICE_TABLE(usb, id_table);

struct es1_ap_dev {

	struct usb_device *usb_dev;

	struct usb_interface *usb_intf;

	__u8 ap_in_endpoint;

	__u8 ap_out_endpoint;

	u8 *ap_buffer;

};

/*

 * Hack, we "know" we will only have one of these at any one time, so only

 * create one static structure pointer.

 */

struct es1_ap_dev {

	struct usb_interface *usb_intf;

} *es1_ap_dev;

static struct es1_ap_dev *es1_ap_dev;

static int ap_probe(struct usb_interface *interface,

		    const struct usb_device_id *id)

{

	struct usb_host_interface *iface_desc;

	struct usb_endpoint_descriptor *endpoint;

	size_t buffer_size;

	int i;

	if (es1_ap_dev) {

		dev_err(&interface->dev, "Already have a es1_ap_dev???\n");

		return -ENODEV;

	if (!es1_ap_dev)

		return -ENOMEM;

	// FIXME

	// figure out endpoint for talking to the AP.

	iface_desc = interface->cur_altsetting;

	for (i = 0; i < iface_desc->desc.bNumEndpoints; ++i) {

		endpoint = &iface_desc->endpoint[i].desc;

		if (usb_endpoint_is_bulk_in(endpoint)) {

			buffer_size = usb_endpoint_maxp(endpoint);

			// FIXME - Save buffer_size?

			es1_ap_dev->ap_in_endpoint = endpoint->bEndpointAddress;

		}

		if (usb_endpoint_is_bulk_out(endpoint)) {

			// FIXME - anything else about this we need?

			es1_ap_dev->ap_out_endpoint = endpoint->bEndpointAddress;

		}

		// FIXME - properly exit once found the AP endpoint

		// FIXME - set up cport endpoints

	}

	// FIXME - allocate buffer

	// FIXME = start up talking, then create the gb "devices" based on what the AP tells us.

	es1_ap_dev->usb_intf = interface;

	es1_ap_dev->usb_dev = usb_get_dev(interface_to_usbdev(interface));

	usb_set_intfdata(interface, es1_ap_dev);

	return 0;

}

	/* Tear down everything! */

	usb_put_dev(es1_ap_dev->usb_dev);

	kfree(es1_ap_dev->ap_buffer);

	kfree(es1_ap_dev);

	es1_ap_dev = NULL;