uboot-phytec

/* SPDX-License-Identifier: GPL-2.0 */

/*

 * MUSB OTG driver peripheral defines

 *

 * Copyright 2005 Mentor Graphics Corporation

 * Copyright (C) 2005-2006 by Texas Instruments

 * Copyright (C) 2006-2007 Nokia Corporation

 */

​

#ifndef __MUSB_GADGET_H

#define __MUSB_GADGET_H

​

#include <linux/list.h>

#ifdef __UBOOT__

#include <asm/byteorder.h>

#include <linux/errno.h>

#include <linux/usb/ch9.h>

#include <linux/usb/gadget.h>

#endif

​

enum buffer_map_state {

    UN_MAPPED = 0,

    PRE_MAPPED,

    MUSB_MAPPED

};

​

struct musb_request {

    struct usb_request  request;

    struct list_head    list;

    struct musb_ep      *ep;

    struct musb     *musb;

    u8 tx;          /* endpoint direction */

    u8 epnum;

    enum buffer_map_state map_state;

};

​

static inline struct musb_request *to_musb_request(struct usb_request *req)

{

    return req ? container_of(req, struct musb_request, request) : NULL;

}

​

extern struct usb_request *

musb_alloc_request(struct usb_ep *ep, gfp_t gfp_flags);

extern void musb_free_request(struct usb_ep *ep, struct usb_request *req);

​

​

/*

 * struct musb_ep - peripheral side view of endpoint rx or tx side

 */

struct musb_ep {

    /* stuff towards the head is basically write-once. */

    struct usb_ep           end_point;

    char                name[12];

    struct musb_hw_ep       *hw_ep;

    struct musb         *musb;

    u8              current_epnum;

​

    /* ... when enabled/disabled ... */

    u8              type;

    u8              is_in;

    u16             packet_sz;

    const struct usb_endpoint_descriptor    *desc;

    struct dma_channel      *dma;