/**
* bi_device_feature - handle set/clear feature requests
* @device: device
* @endpoint: endpoint to check
* @flag: set or clear
*
* Used by the USB Device Core to check endpoint halt status.
*/
int bi_device_feature (struct usb_device_instance *device, int endpoint_address, int flag)
{
int ep = 0;
struct usb_endpoint_instance *endpoint = NULL;
dbg_ep0 (0, "endpoint: %d flag: %d", endpoint_address, flag);
if (device && device->bus && device->bus->endpoint_array) {
endpoint = device->bus->endpoint_array;
for (ep = 0; ep < udc_max_endpoints (); ep++) {
if (endpoint->endpoint_address == endpoint_address)
break;
endpoint++;
}
if (ep == udc_max_endpoints ())
endpoint = NULL;
}
if (endpoint) {
dbg_ep0 (1, "endpoint: %d status: %d", ep, endpoint->status);
if (flag && !endpoint->status) {
dbg_ep0 (1, "stalling endpoint");
udc_stall_ep (ep);
endpoint->status = 1;
}
else if (!flag && endpoint->status){
dbg_ep0 (1, "reseting endpoint %d", ep);
udc_reset_ep (ep);
endpoint->status = 0;
}
return 0;
}
dbg_ep0 (0, "endpoint: %d NOT FOUND", endpoint_address);
return -EINVAL;
}
/**
* bi_endpoint_halted - check if endpoint halted
* @device: device
* @endpoint: endpoint to check
*
* Used by the USB Device Core to check endpoint halt status.
*/
int bi_endpoint_halted (struct usb_device_instance *device, int endpoint_address)
{
struct usb_endpoint_instance *endpoint;
if ((endpoint = bi_find_endpoint(device, endpoint_address))) {
dbg_ep0 (1, "endpoint: %d status: %d", endpoint_address, endpoint->status);
return endpoint->status;
}
dbg_ep0 (0, "endpoint: %02x NOT FOUND", endpoint_address);
return 0;
}
/**
* bi_device_feature - handle set/clear feature requests
* @device: device
* @endpoint: endpoint to check
* @flag: set or clear
*
* Used by the USB Device Core to check endpoint halt status.
*/
int bi_device_feature(struct usb_device_instance *device, int endpoint, int flag)
{
if (flag) {
dbg_ep0(1,"stalling endpoint");
// XXX logical to physical?
udc_stall_ep(endpoint, device);
return 0;
}
dbg_ep0(1,"reseting endpoint %d", endpoint);
udc_reset_ep(endpoint, device);
return 0;
}
