92 lines
		
	
	
		
			2.4 KiB
		
	
	
	
		
			C
		
	
	
	
			
		
		
	
	
			92 lines
		
	
	
		
			2.4 KiB
		
	
	
	
		
			C
		
	
	
	
| /*
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|  * MUSB OTG driver host defines
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|  *
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|  * Copyright 2005 Mentor Graphics Corporation
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|  * Copyright (C) 2005-2006 by Texas Instruments
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|  * Copyright (C) 2006-2007 Nokia Corporation
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|  *
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|  * SPDX-License-Identifier:	GPL-2.0
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|  */
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| 
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| #ifndef _MUSB_HOST_H
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| #define _MUSB_HOST_H
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| #ifdef __UBOOT__
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| #include "usb-compat.h"
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| #endif
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| 
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| static inline struct usb_hcd *musb_to_hcd(struct musb *musb)
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| {
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| 	return container_of((void *) musb, struct usb_hcd, hcd_priv);
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| }
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| 
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| static inline struct musb *hcd_to_musb(struct usb_hcd *hcd)
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| {
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| 	return (struct musb *) (hcd->hcd_priv);
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| }
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| 
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| /* stored in "usb_host_endpoint.hcpriv" for scheduled endpoints */
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| struct musb_qh {
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| 	struct usb_host_endpoint *hep;		/* usbcore info */
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| 	struct usb_device	*dev;
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| 	struct musb_hw_ep	*hw_ep;		/* current binding */
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| 
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| 	struct list_head	ring;		/* of musb_qh */
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| 	/* struct musb_qh		*next; */	/* for periodic tree */
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| 	u8			mux;		/* qh multiplexed to hw_ep */
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| 
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| 	unsigned		offset;		/* in urb->transfer_buffer */
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| 	unsigned		segsize;	/* current xfer fragment */
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| 
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| 	u8			type_reg;	/* {rx,tx} type register */
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| 	u8			intv_reg;	/* {rx,tx} interval register */
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| 	u8			addr_reg;	/* device address register */
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| 	u8			h_addr_reg;	/* hub address register */
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| 	u8			h_port_reg;	/* hub port register */
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| 
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| 	u8			is_ready;	/* safe to modify hw_ep */
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| 	u8			type;		/* XFERTYPE_* */
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| 	u8			epnum;
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| 	u8			hb_mult;	/* high bandwidth pkts per uf */
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| 	u16			maxpacket;
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| 	u16			frame;		/* for periodic schedule */
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| 	unsigned		iso_idx;	/* in urb->iso_frame_desc[] */
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| };
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| 
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| /* map from control or bulk queue head to the first qh on that ring */
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| static inline struct musb_qh *first_qh(struct list_head *q)
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| {
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| 	if (list_empty(q))
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| 		return NULL;
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| 	return list_entry(q->next, struct musb_qh, ring);
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| }
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| 
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| 
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| extern void musb_root_disconnect(struct musb *musb);
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| 
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| struct usb_hcd;
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| 
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| extern int musb_hub_status_data(struct usb_hcd *hcd, char *buf);
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| extern int musb_hub_control(struct usb_hcd *hcd,
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| 			u16 typeReq, u16 wValue, u16 wIndex,
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| 			char *buf, u16 wLength);
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| 
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| extern const struct hc_driver musb_hc_driver;
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| 
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| static inline struct urb *next_urb(struct musb_qh *qh)
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| {
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| 	struct list_head	*queue;
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| 
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| 	if (!qh)
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| 		return NULL;
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| 	queue = &qh->hep->urb_list;
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| 	if (list_empty(queue))
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| 		return NULL;
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| 	return list_entry(queue->next, struct urb, urb_list);
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| }
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| 
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| #ifdef __UBOOT__
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| int musb_urb_enqueue(struct usb_hcd *hcd, struct urb *urb, gfp_t mem_flags);
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| int musb_urb_dequeue(struct usb_hcd *hcd, struct urb *urb, int status);
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| #endif
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| #endif				/* _MUSB_HOST_H */
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