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path: root/drivers/usb/musb-new/usb-compat.h
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Diffstat (limited to 'drivers/usb/musb-new/usb-compat.h')
-rw-r--r--drivers/usb/musb-new/usb-compat.h88
1 files changed, 88 insertions, 0 deletions
diff --git a/drivers/usb/musb-new/usb-compat.h b/drivers/usb/musb-new/usb-compat.h
new file mode 100644
index 0000000000..27f656f0ce
--- /dev/null
+++ b/drivers/usb/musb-new/usb-compat.h
@@ -0,0 +1,88 @@
+#ifndef __USB_COMPAT_H__
+#define __USB_COMPAT_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)
+
+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;
+}
+
+static inline u16 find_tt(struct usb_device *dev)
+{
+ u8 chid;
+ u8 hub;
+
+ /* Find out the nearest parent which is high speed */
+ while (dev->parent->parent != NULL)
+ if (dev->parent->speed != USB_SPEED_HIGH)
+ dev = dev->parent;
+ else
+ break;
+
+ /* determine the port address at that hub */
+ hub = dev->parent->devnum;
+ for (chid = 0; chid < USB_MAXCHILDREN; chid++)
+ if (dev->parent->children[chid] == dev)
+ break;
+
+ return (hub << 8) | chid;
+}
+#endif /* __USB_COMPAT_H__ */