/*
* dma map/unmap
*/
-static int usbhsg_dma_map(struct device *dev,
- struct usbhs_pkt *pkt,
- enum dma_data_direction dir)
-{
- struct usbhsg_request *ureq = usbhsg_pkt_to_ureq(pkt);
- struct usb_request *req = &ureq->req;
-
- if (pkt->dma != DMA_ADDR_INVALID) {
- dev_err(dev, "dma is already mapped\n");
- return -EIO;
- }
-
- if (req->dma == DMA_ADDR_INVALID) {
- pkt->dma = dma_map_single(dev, pkt->buf, pkt->length, dir);
- } else {
- dma_sync_single_for_device(dev, req->dma, req->length, dir);
- pkt->dma = req->dma;
- }
-
- if (dma_mapping_error(dev, pkt->dma)) {
- dev_err(dev, "dma mapping error %llx\n", (u64)pkt->dma);
- return -EIO;
- }
-
- return 0;
-}
-
-static int usbhsg_dma_unmap(struct device *dev,
- struct usbhs_pkt *pkt,
- enum dma_data_direction dir)
+static int usbhsg_dma_map_ctrl(struct usbhs_pkt *pkt, int map)
{
struct usbhsg_request *ureq = usbhsg_pkt_to_ureq(pkt);
struct usb_request *req = &ureq->req;
-
- if (pkt->dma == DMA_ADDR_INVALID) {
- dev_err(dev, "dma is not mapped\n");
- return -EIO;
- }
-
- if (req->dma == DMA_ADDR_INVALID)
- dma_unmap_single(dev, pkt->dma, pkt->length, dir);
- else
- dma_sync_single_for_cpu(dev, req->dma, req->length, dir);
-
- pkt->dma = DMA_ADDR_INVALID;
-
- return 0;
-}
-
-static int usbhsg_dma_map_ctrl(struct usbhs_pkt *pkt, int map)
-{
struct usbhs_pipe *pipe = pkt->pipe;
struct usbhsg_uep *uep = usbhsg_pipe_to_uep(pipe);
struct usbhsg_gpriv *gpriv = usbhsg_uep_to_gpriv(uep);
- struct device *dev = usbhsg_gpriv_to_dev(gpriv);
enum dma_data_direction dir;
+ int ret = 0;
- dir = usbhs_pipe_is_dir_in(pipe) ? DMA_FROM_DEVICE : DMA_TO_DEVICE;
+ dir = usbhs_pipe_is_dir_host(pipe);
- if (map)
- return usbhsg_dma_map(dev, pkt, dir);
- else
- return usbhsg_dma_unmap(dev, pkt, dir);
+ if (map) {
+ /* it can not use scatter/gather */
+ WARN_ON(req->num_sgs);
+
+ ret = usb_gadget_map_request(&gpriv->gadget, req, dir);
+ if (ret < 0)
+ return ret;
+
+ pkt->dma = req->dma;
+ } else {
+ usb_gadget_unmap_request(&gpriv->gadget, req, dir);
+ }
+
+ return ret;
}
/*
struct usbhs_pipe *pipe;
int recip = ctrl->bRequestType & USB_RECIP_MASK;
int nth = le16_to_cpu(ctrl->wIndex) & USB_ENDPOINT_NUMBER_MASK;
- int ret;
+ int ret = 0;
int (*func)(struct usbhs_priv *priv, struct usbhsg_uep *uep,
struct usb_ctrlrequest *ctrl);
char *msg;
usbhs_pkt_init(usbhsg_ureq_to_pkt(ureq));
- ureq->req.dma = DMA_ADDR_INVALID;
-
return &ureq->req;
}
return usbhsg_try_stop(priv, USBHSG_STATUS_STARTED);
}
+static void usbhs_mod_gadget_release(struct device *pdev)
+{
+ /* do nothing */
+}
+
int usbhs_mod_gadget_probe(struct usbhs_priv *priv)
{
struct usbhsg_gpriv *gpriv;
*/
dev_set_name(&gpriv->gadget.dev, "gadget");
gpriv->gadget.dev.parent = dev;
+ gpriv->gadget.dev.release = usbhs_mod_gadget_release;
gpriv->gadget.name = "renesas_usbhs_udc";
gpriv->gadget.ops = &usbhsg_gadget_ops;
gpriv->gadget.max_speed = USB_SPEED_HIGH;