Signed-off-by: Jules Maselbas <jmaselbas@xxxxxxxxx>
---
drivers/usb/dwc2/core.h | 55 +++++++++++++++++++++++++++++++++++++++++
1 file changed, 55 insertions(+)
diff --git a/drivers/usb/dwc2/core.h b/drivers/usb/dwc2/core.h
index a2ec3ff68..b188990a0 100644
--- a/drivers/usb/dwc2/core.h
+++ b/drivers/usb/dwc2/core.h
@@ -416,6 +416,49 @@ struct dwc2_hw_params {
#define MAX_DEVICE 16
#define MAX_ENDPOINT DWC2_MAX_EPS_CHANNELS
+struct dwc2_ep {
+ struct usb_ep ep;
+ struct dwc2 *dwc2;
+ struct list_head queue;
+ struct dwc2_request *req;
+ char name[8];
+
+ unsigned int size_loaded;
+ unsigned int last_load;
+ unsigned short fifo_size;
+ unsigned short fifo_index;
+
+ u8 dir_in;
+ u8 epnum;
+ u8 mc;
+ u16 interval;
+
+ unsigned int halted:1;
+ unsigned int periodic:1;
+ unsigned int isochronous:1;
+ unsigned int send_zlp:1;
+ unsigned int target_frame;
+#define TARGET_FRAME_INITIAL 0xFFFFFFFF
+ bool frame_overrun;
+};
+
+struct dwc2_request {
+ struct usb_request req;
+ struct list_head queue;
+};
+
+/* Gadget ep0 states */
+enum dwc2_ep0_state {
+ DWC2_EP0_SETUP,
+ DWC2_EP0_DATA_IN,
+ DWC2_EP0_DATA_OUT,
+ DWC2_EP0_STATUS_IN,
+ DWC2_EP0_STATUS_OUT,
+};
+
+/* Size of control and EP0 buffers */
+#define DWC2_CTRL_BUFF_SIZE 8
+
struct dwc2 {
struct device_d *dev;
void __iomem *regs;
@@ -429,6 +472,18 @@ struct dwc2 {
u8 out_data_toggle[MAX_DEVICE][MAX_ENDPOINT];
int root_hub_devnum;
#endif
+
+#ifdef CONFIG_USB_DWC2_GADGET
+ struct usb_gadget gadget;
+ struct dwc2_ep *eps_in[MAX_ENDPOINT];
+ struct dwc2_ep *eps_out[MAX_ENDPOINT];
+ struct usb_request *ctrl_req;
+ void *ep0_buff;
+ void *ctrl_buff;
+ enum dwc2_ep0_state ep0_state;
+ struct usb_gadget_driver *driver;
+ int num_eps;
+#endif
};
#define host_to_dwc2(ptr) container_of(ptr, struct dwc2, host)
--
2.17.1
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