LXR uboot/drivers/usb/musb-new/musb

   1/* SPDX-License-Identifier: GPL-2.0 */
   2/*
   3 * MUSB OTG driver host defines
   4 *
   5 * Copyright 2005 Mentor Graphics Corporation
   6 * Copyright (C) 2005-2006 by Texas Instruments
   7 * Copyright (C) 2006-2007 Nokia Corporation
   8 */
   9
  10#ifndef _MUSB_HOST_H
  11#define _MUSB_HOST_H
  12#ifdef __UBOOT__
  13#include "usb-compat.h"
  14#endif
  15
  16static inline struct usb_hcd *musb_to_hcd(struct musb *musb)
  17{
  18        return container_of((void *) musb, struct usb_hcd, hcd_priv);
  19}
  20
  21static inline struct musb *hcd_to_musb(struct usb_hcd *hcd)
  22{
  23        return (struct musb *) (hcd->hcd_priv);
  24}
  25
  26/* stored in "usb_host_endpoint.hcpriv" for scheduled endpoints */
  27struct musb_qh {
  28        struct usb_host_endpoint *hep;          /* usbcore info */
  29        struct usb_device       *dev;
  30        struct musb_hw_ep       *hw_ep;         /* current binding */
  31
  32        struct list_head        ring;           /* of musb_qh */
  33        /* struct musb_qh               *next; */       /* for periodic tree */
  34        u8                      mux;            /* qh multiplexed to hw_ep */
  35
  36        unsigned                offset;         /* in urb->transfer_buffer */
  37        unsigned                segsize;        /* current xfer fragment */
  38
  39        u8                      type_reg;       /* {rx,tx} type register */
  40        u8                      intv_reg;       /* {rx,tx} interval register */
  41        u8                      addr_reg;       /* device address register */
  42        u8                      h_addr_reg;     /* hub address register */
  43        u8                      h_port_reg;     /* hub port register */
  44
  45        u8                      is_ready;       /* safe to modify hw_ep */
  46        u8                      type;           /* XFERTYPE_* */
  47        u8                      epnum;
  48        u8                      hb_mult;        /* high bandwidth pkts per uf */
  49        u16                     maxpacket;
  50        u16                     frame;          /* for periodic schedule */
  51        unsigned                iso_idx;        /* in urb->iso_frame_desc[] */
  52};
  53
  54/* map from control or bulk queue head to the first qh on that ring */
  55static inline struct musb_qh *first_qh(struct list_head *q)
  56{
  57        if (list_empty(q))
  58                return NULL;
  59        return list_entry(q->next, struct musb_qh, ring);
  60}
  61
  62
  63extern void musb_root_disconnect(struct musb *musb);
  64
  65struct usb_hcd;
  66
  67extern int musb_hub_status_data(struct usb_hcd *hcd, char *buf);
  68extern int musb_hub_control(struct usb_hcd *hcd,
  69                        u16 typeReq, u16 wValue, u16 wIndex,
  70                        char *buf, u16 wLength);
  71
  72extern const struct hc_driver musb_hc_driver;
  73
  74static inline struct urb *next_urb(struct musb_qh *qh)
  75{
  76        struct list_head        *queue;
  77
  78        if (!qh)
  79                return NULL;
  80        queue = &qh->hep->urb_list;
  81        if (list_empty(queue))
  82                return NULL;
  83        return list_entry(queue->next, struct urb, urb_list);
  84}
  85
  86#ifdef __UBOOT__
  87int musb_urb_enqueue(struct usb_hcd *hcd, struct urb *urb, gfp_t mem_flags);
  88int musb_urb_dequeue(struct usb_hcd *hcd, struct urb *urb, int status);
  89#endif
  90#endif                          /* _MUSB_HOST_H */
  91