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