greybus: es1-ap-usb: more init framework added.
diff --git a/drivers/staging/greybus/es1-ap-usb.c b/drivers/staging/greybus/es1-ap-usb.c
index 991a538..bebef6d 100644
--- a/drivers/staging/greybus/es1-ap-usb.c
+++ b/drivers/staging/greybus/es1-ap-usb.c
@@ -18,19 +18,31 @@
};
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;
@@ -39,7 +51,30 @@
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;
}
@@ -50,6 +85,8 @@
/* 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;