/**
* This function is called by the Gadget Driver for each EP to be
* configured for the current configuration (SET_CONFIGURATION).
*
* This function initializes the dwc_otg_ep_t data structure, and then
* calls dwc_otg_ep_activate.
*/
static int dwc_otg_pcd_ep_enable(struct usb_ep *_ep,
const struct usb_endpoint_descriptor *_desc)
{
dwc_otg_pcd_ep_t *ep = 0;
dwc_otg_pcd_t *pcd = 0;
unsigned long flags;
DWC_DEBUGPL(DBG_PCDV,"%s(%p,%p)\n", __func__, _ep, _desc );
ep = container_of(_ep, dwc_otg_pcd_ep_t, ep);
if (!_ep || !_desc || ep->desc ||
_desc->bDescriptorType != USB_DT_ENDPOINT)
{
DWC_WARN( "%s, bad ep or descriptor\n", __func__);
return -EINVAL;
}
if (ep == &ep->pcd->ep0)
{
DWC_WARN("%s, bad ep(0)\n", __func__);
return -EINVAL;
}
/* Check FIFO size? */
if (!_desc->wMaxPacketSize)
{
DWC_WARN("%s, bad %s maxpacket\n", __func__, _ep->name);
return -ERANGE;
}
pcd = ep->pcd;
if (!pcd->driver || pcd->gadget.speed == USB_SPEED_UNKNOWN)
{
if (!pcd->driver) {
bh_otg_dbg2("[%s:%d] gadget[%s] !pcd->driver\n", __FUNCTION__, __LINE__, pcd->gadget.name);
}
if (pcd->gadget.speed == USB_SPEED_UNKNOWN) {
bh_otg_dbg2("[%s:%d] gadget[%s] USB_SPEED_UNKNOWN\n", __FUNCTION__, __LINE__, pcd->gadget.name);
}
DWC_WARN("%s, bogus device state\n", __func__);
return -ESHUTDOWN;
}
SPIN_LOCK_IRQSAVE(&pcd->lock, flags);
ep->desc = _desc;
ep->ep.maxpacket = le16_to_cpu (_desc->wMaxPacketSize);
/*
* Activate the EP
*/
ep->stopped = 0;
ep->dwc_ep.is_in = (USB_DIR_IN & _desc->bEndpointAddress) != 0;
ep->dwc_ep.maxpacket = ep->ep.maxpacket;
ep->dwc_ep.type = _desc->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK;
if(ep->dwc_ep.is_in)
{
if(!pcd->otg_dev->core_if->en_multiple_tx_fifo)
{
ep->dwc_ep.tx_fifo_num = 0;
if ((_desc->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) ==
//cathy USB_ENDPOINT_XFER_ISOC )
USB_ENDPOINT_XFER_INT ) //assign interrupt in ep (ep3) to periodic tx fifo
{
/*
* if ISOC EP then assign a Periodic Tx FIFO.
*/
ep->dwc_ep.tx_fifo_num = assign_perio_tx_fifo(pcd->otg_dev->core_if);
}
}
else
{
/*
* if Dedicated FIFOs mode is on then assign a Tx FIFO.
*/
ep->dwc_ep.tx_fifo_num = assign_tx_fifo(pcd->otg_dev->core_if);
}
}
/* Set initial data PID. */
if ((_desc->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) ==
USB_ENDPOINT_XFER_BULK )
{
ep->dwc_ep.data_pid_start = 0;
}
DWC_DEBUGPL(DBG_PCD, "Activate %s-%s: type=%d, mps=%d desc=%p\n",
ep->ep.name, (ep->dwc_ep.is_in ?"IN":"OUT"),
ep->dwc_ep.type, ep->dwc_ep.maxpacket, ep->desc );
dwc_otg_ep_activate( GET_CORE_IF(pcd), &ep->dwc_ep );
SPIN_UNLOCK_IRQRESTORE(&pcd->lock, flags);
return 0;
}
/**
* This function is called by the Gadget Driver for each EP to be
* configured for the current configuration (SET_CONFIGURATION).
*
* This function initializes the dwc_otg_ep_t data structure, and then
* calls dwc_otg_ep_activate.
*/
static int dwc_otg_pcd_ep_enable(struct usb_ep *_ep,
const struct usb_endpoint_descriptor *_desc)
{
dwc_otg_pcd_ep_t *ep = 0;
dwc_otg_pcd_t *pcd = 0;
unsigned long flags;
DWC_DEBUGPL(DBG_PCDV,"%s(%p,%p)\n", __func__, _ep, _desc );
ep = container_of(_ep, dwc_otg_pcd_ep_t, ep);
if (!_ep || !_desc || ep->desc ||
_desc->bDescriptorType != USB_DT_ENDPOINT) {
DWC_WARN( "%s, bad ep or descriptor\n", __func__);
return -EINVAL;
}
if (ep == &ep->pcd->ep[0]){
DWC_WARN("%s, bad ep(0)\n", __func__);
return -EINVAL;
}
/* Check FIFO size? */
if (!_desc->wMaxPacketSize) {
DWC_WARN("%s, bad %s maxpacket\n", __func__, _ep->name);
return -ERANGE;
}
pcd = ep->pcd;
if (!pcd->driver || pcd->gadget.speed == USB_SPEED_UNKNOWN) {
DWC_WARN("%s, bogus device state\n", __func__);
return -ESHUTDOWN;
}
spin_lock_irqsave(&pcd->lock, flags);
ep->desc = _desc;
ep->ep.maxpacket = le16_to_cpu (_desc->wMaxPacketSize);
/*
* Activate the EP
*/
ep->stopped = 0;
ep->dwc_ep.is_in = (USB_DIR_IN & _desc->bEndpointAddress) != 0;
ep->dwc_ep.maxpacket = ep->ep.maxpacket;
ep->dwc_ep.tx_fifo_num = 0;
ep->dwc_ep.type = _desc->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK;
if ((_desc->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) ==
USB_ENDPOINT_XFER_ISOC ) {
/*
* if ISOC EP then assign a Periodic Tx FIFO.
*/
/** @todo NGS Determine Tx FIFO for periodic EP.
* Currently using 1.
*/
ep->dwc_ep.tx_fifo_num = 1;
}
/* Set initial data PID. */
if ((_desc->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) ==
USB_ENDPOINT_XFER_BULK ) {
ep->dwc_ep.data_pid_start = 0;
}
DWC_DEBUGPL(DBG_PCD, "Activate %s-%s: type=%d, mps=%d desc=%p\n",
ep->ep.name, (ep->dwc_ep.is_in ?"IN":"OUT"),
ep->dwc_ep.type, ep->dwc_ep.maxpacket, ep->desc );
dwc_otg_ep_activate( GET_CORE_IF(pcd), &ep->dwc_ep );
spin_unlock_irqrestore(&pcd->lock, flags);
return 0;
}
