1*4882a593Smuzhiyun /*
2*4882a593Smuzhiyun * MUSB OTG driver host defines
3*4882a593Smuzhiyun *
4*4882a593Smuzhiyun * Copyright 2005 Mentor Graphics Corporation
5*4882a593Smuzhiyun * Copyright (C) 2005-2006 by Texas Instruments
6*4882a593Smuzhiyun * Copyright (C) 2006-2007 Nokia Corporation
7*4882a593Smuzhiyun *
8*4882a593Smuzhiyun * SPDX-License-Identifier: GPL-2.0
9*4882a593Smuzhiyun */
10*4882a593Smuzhiyun
11*4882a593Smuzhiyun #ifndef _MUSB_HOST_H
12*4882a593Smuzhiyun #define _MUSB_HOST_H
13*4882a593Smuzhiyun #ifdef __UBOOT__
14*4882a593Smuzhiyun #include "usb-compat.h"
15*4882a593Smuzhiyun #endif
16*4882a593Smuzhiyun
musb_to_hcd(struct musb * musb)17*4882a593Smuzhiyun static inline struct usb_hcd *musb_to_hcd(struct musb *musb)
18*4882a593Smuzhiyun {
19*4882a593Smuzhiyun return container_of((void *) musb, struct usb_hcd, hcd_priv);
20*4882a593Smuzhiyun }
21*4882a593Smuzhiyun
hcd_to_musb(struct usb_hcd * hcd)22*4882a593Smuzhiyun static inline struct musb *hcd_to_musb(struct usb_hcd *hcd)
23*4882a593Smuzhiyun {
24*4882a593Smuzhiyun return (struct musb *) (hcd->hcd_priv);
25*4882a593Smuzhiyun }
26*4882a593Smuzhiyun
27*4882a593Smuzhiyun /* stored in "usb_host_endpoint.hcpriv" for scheduled endpoints */
28*4882a593Smuzhiyun struct musb_qh {
29*4882a593Smuzhiyun struct usb_host_endpoint *hep; /* usbcore info */
30*4882a593Smuzhiyun struct usb_device *dev;
31*4882a593Smuzhiyun struct musb_hw_ep *hw_ep; /* current binding */
32*4882a593Smuzhiyun
33*4882a593Smuzhiyun struct list_head ring; /* of musb_qh */
34*4882a593Smuzhiyun /* struct musb_qh *next; */ /* for periodic tree */
35*4882a593Smuzhiyun u8 mux; /* qh multiplexed to hw_ep */
36*4882a593Smuzhiyun
37*4882a593Smuzhiyun unsigned offset; /* in urb->transfer_buffer */
38*4882a593Smuzhiyun unsigned segsize; /* current xfer fragment */
39*4882a593Smuzhiyun
40*4882a593Smuzhiyun u8 type_reg; /* {rx,tx} type register */
41*4882a593Smuzhiyun u8 intv_reg; /* {rx,tx} interval register */
42*4882a593Smuzhiyun u8 addr_reg; /* device address register */
43*4882a593Smuzhiyun u8 h_addr_reg; /* hub address register */
44*4882a593Smuzhiyun u8 h_port_reg; /* hub port register */
45*4882a593Smuzhiyun
46*4882a593Smuzhiyun u8 is_ready; /* safe to modify hw_ep */
47*4882a593Smuzhiyun u8 type; /* XFERTYPE_* */
48*4882a593Smuzhiyun u8 epnum;
49*4882a593Smuzhiyun u8 hb_mult; /* high bandwidth pkts per uf */
50*4882a593Smuzhiyun u16 maxpacket;
51*4882a593Smuzhiyun u16 frame; /* for periodic schedule */
52*4882a593Smuzhiyun unsigned iso_idx; /* in urb->iso_frame_desc[] */
53*4882a593Smuzhiyun };
54*4882a593Smuzhiyun
55*4882a593Smuzhiyun /* map from control or bulk queue head to the first qh on that ring */
first_qh(struct list_head * q)56*4882a593Smuzhiyun static inline struct musb_qh *first_qh(struct list_head *q)
57*4882a593Smuzhiyun {
58*4882a593Smuzhiyun if (list_empty(q))
59*4882a593Smuzhiyun return NULL;
60*4882a593Smuzhiyun return list_entry(q->next, struct musb_qh, ring);
61*4882a593Smuzhiyun }
62*4882a593Smuzhiyun
63*4882a593Smuzhiyun
64*4882a593Smuzhiyun extern void musb_root_disconnect(struct musb *musb);
65*4882a593Smuzhiyun
66*4882a593Smuzhiyun struct usb_hcd;
67*4882a593Smuzhiyun
68*4882a593Smuzhiyun extern int musb_hub_status_data(struct usb_hcd *hcd, char *buf);
69*4882a593Smuzhiyun extern int musb_hub_control(struct usb_hcd *hcd,
70*4882a593Smuzhiyun u16 typeReq, u16 wValue, u16 wIndex,
71*4882a593Smuzhiyun char *buf, u16 wLength);
72*4882a593Smuzhiyun
73*4882a593Smuzhiyun extern const struct hc_driver musb_hc_driver;
74*4882a593Smuzhiyun
next_urb(struct musb_qh * qh)75*4882a593Smuzhiyun static inline struct urb *next_urb(struct musb_qh *qh)
76*4882a593Smuzhiyun {
77*4882a593Smuzhiyun struct list_head *queue;
78*4882a593Smuzhiyun
79*4882a593Smuzhiyun if (!qh)
80*4882a593Smuzhiyun return NULL;
81*4882a593Smuzhiyun queue = &qh->hep->urb_list;
82*4882a593Smuzhiyun if (list_empty(queue))
83*4882a593Smuzhiyun return NULL;
84*4882a593Smuzhiyun return list_entry(queue->next, struct urb, urb_list);
85*4882a593Smuzhiyun }
86*4882a593Smuzhiyun
87*4882a593Smuzhiyun #ifdef __UBOOT__
88*4882a593Smuzhiyun int musb_urb_enqueue(struct usb_hcd *hcd, struct urb *urb, gfp_t mem_flags);
89*4882a593Smuzhiyun int musb_urb_dequeue(struct usb_hcd *hcd, struct urb *urb, int status);
90*4882a593Smuzhiyun #endif
91*4882a593Smuzhiyun #endif /* _MUSB_HOST_H */
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