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- #ifndef __USB_COMPAT_H__
- #define __USB_COMPAT_H__
- #include "usb.h"
- struct udevice;
- struct usb_hcd {
- void *hcd_priv;
- };
- struct usb_host_endpoint {
- struct usb_endpoint_descriptor desc;
- struct list_head urb_list;
- void *hcpriv;
- };
- /*
- * urb->transfer_flags:
- *
- * Note: URB_DIR_IN/OUT is automatically set in usb_submit_urb().
- */
- #define URB_SHORT_NOT_OK 0x0001 /* report short reads as errors */
- #define URB_ZERO_PACKET 0x0040 /* Finish bulk OUT with short packet */
- struct urb;
- typedef void (*usb_complete_t)(struct urb *);
- struct urb {
- void *hcpriv; /* private data for host controller */
- struct list_head urb_list; /* list head for use by the urb's
- * current owner */
- struct usb_device *dev; /* (in) pointer to associated device */
- struct usb_host_endpoint *ep; /* (internal) pointer to endpoint */
- unsigned int pipe; /* (in) pipe information */
- int status; /* (return) non-ISO status */
- unsigned int transfer_flags; /* (in) URB_SHORT_NOT_OK | ...*/
- void *transfer_buffer; /* (in) associated data buffer */
- dma_addr_t transfer_dma; /* (in) dma addr for transfer_buffer */
- u32 transfer_buffer_length; /* (in) data buffer length */
- u32 actual_length; /* (return) actual transfer length */
- unsigned char *setup_packet; /* (in) setup packet (control only) */
- int start_frame; /* (modify) start frame (ISO) */
- usb_complete_t complete; /* (in) completion routine */
- };
- #define usb_hcd_link_urb_to_ep(hcd, urb) ({ \
- int ret = 0; \
- list_add_tail(&urb->urb_list, &urb->ep->urb_list); \
- ret; })
- #define usb_hcd_unlink_urb_from_ep(hcd, urb) list_del_init(&urb->urb_list)
- #define usb_hcd_check_unlink_urb(hdc, urb, status) 0
- static inline void usb_hcd_giveback_urb(struct usb_hcd *hcd,
- struct urb *urb,
- int status)
- {
- urb->status = status;
- if (urb->complete)
- urb->complete(urb);
- }
- static inline int usb_hcd_unmap_urb_for_dma(struct usb_hcd *hcd,
- struct urb *urb)
- {
- /* TODO: add cache invalidation here */
- return 0;
- }
- /**
- * usb_dev_get_parent() - Get the parent of a USB device
- *
- * @udev: USB struct containing information about the device
- * @return associated device for which udev == dev_get_parent_priv(dev)
- */
- struct usb_device *usb_dev_get_parent(struct usb_device *udev);
- #endif /* __USB_COMPAT_H__ */
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