#ifndef __USB_COMPAT_H__
|
#define __USB_COMPAT_H__
|
|
#include <dm.h>
|
#include "usb.h"
|
|
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;
|
}
|
|
#if CONFIG_IS_ENABLED(DM_USB)
|
static inline struct usb_device *usb_dev_get_parent(struct usb_device *udev)
|
{
|
struct udevice *parent = udev->dev->parent;
|
|
/*
|
* When called from usb-uclass.c: usb_scan_device() udev->dev points
|
* to the parent udevice, not the actual udevice belonging to the
|
* udev as the device is not instantiated yet.
|
*
|
* If dev is an usb-bus, then we are called from usb_scan_device() for
|
* an usb-device plugged directly into the root port, return NULL.
|
*/
|
if (device_get_uclass_id(udev->dev) == UCLASS_USB)
|
return NULL;
|
|
/*
|
* If these 2 are not the same we are being called from
|
* usb_scan_device() and udev itself is the parent.
|
*/
|
if (dev_get_parent_priv(udev->dev) != udev)
|
return udev;
|
|
/* We are being called normally, use the parent pointer */
|
if (device_get_uclass_id(parent) == UCLASS_USB_HUB)
|
return dev_get_parent_priv(parent);
|
|
return NULL;
|
}
|
#else
|
static inline struct usb_device *usb_dev_get_parent(struct usb_device *dev)
|
{
|
return dev->parent;
|
}
|
#endif
|
|
#endif /* __USB_COMPAT_H__ */
|
