1*4882a593Smuzhiyun #ifndef __USB_COMPAT_H__
2*4882a593Smuzhiyun #define __USB_COMPAT_H__
3*4882a593Smuzhiyun
4*4882a593Smuzhiyun #include <dm.h>
5*4882a593Smuzhiyun #include "usb.h"
6*4882a593Smuzhiyun
7*4882a593Smuzhiyun struct usb_hcd {
8*4882a593Smuzhiyun void *hcd_priv;
9*4882a593Smuzhiyun };
10*4882a593Smuzhiyun
11*4882a593Smuzhiyun struct usb_host_endpoint {
12*4882a593Smuzhiyun struct usb_endpoint_descriptor desc;
13*4882a593Smuzhiyun struct list_head urb_list;
14*4882a593Smuzhiyun void *hcpriv;
15*4882a593Smuzhiyun };
16*4882a593Smuzhiyun
17*4882a593Smuzhiyun /*
18*4882a593Smuzhiyun * urb->transfer_flags:
19*4882a593Smuzhiyun *
20*4882a593Smuzhiyun * Note: URB_DIR_IN/OUT is automatically set in usb_submit_urb().
21*4882a593Smuzhiyun */
22*4882a593Smuzhiyun #define URB_SHORT_NOT_OK 0x0001 /* report short reads as errors */
23*4882a593Smuzhiyun #define URB_ZERO_PACKET 0x0040 /* Finish bulk OUT with short packet */
24*4882a593Smuzhiyun
25*4882a593Smuzhiyun struct urb;
26*4882a593Smuzhiyun
27*4882a593Smuzhiyun typedef void (*usb_complete_t)(struct urb *);
28*4882a593Smuzhiyun
29*4882a593Smuzhiyun struct urb {
30*4882a593Smuzhiyun void *hcpriv; /* private data for host controller */
31*4882a593Smuzhiyun struct list_head urb_list; /* list head for use by the urb's
32*4882a593Smuzhiyun * current owner */
33*4882a593Smuzhiyun struct usb_device *dev; /* (in) pointer to associated device */
34*4882a593Smuzhiyun struct usb_host_endpoint *ep; /* (internal) pointer to endpoint */
35*4882a593Smuzhiyun unsigned int pipe; /* (in) pipe information */
36*4882a593Smuzhiyun int status; /* (return) non-ISO status */
37*4882a593Smuzhiyun unsigned int transfer_flags; /* (in) URB_SHORT_NOT_OK | ...*/
38*4882a593Smuzhiyun void *transfer_buffer; /* (in) associated data buffer */
39*4882a593Smuzhiyun dma_addr_t transfer_dma; /* (in) dma addr for transfer_buffer */
40*4882a593Smuzhiyun u32 transfer_buffer_length; /* (in) data buffer length */
41*4882a593Smuzhiyun u32 actual_length; /* (return) actual transfer length */
42*4882a593Smuzhiyun unsigned char *setup_packet; /* (in) setup packet (control only) */
43*4882a593Smuzhiyun int start_frame; /* (modify) start frame (ISO) */
44*4882a593Smuzhiyun usb_complete_t complete; /* (in) completion routine */
45*4882a593Smuzhiyun };
46*4882a593Smuzhiyun
47*4882a593Smuzhiyun #define usb_hcd_link_urb_to_ep(hcd, urb) ({ \
48*4882a593Smuzhiyun int ret = 0; \
49*4882a593Smuzhiyun list_add_tail(&urb->urb_list, &urb->ep->urb_list); \
50*4882a593Smuzhiyun ret; })
51*4882a593Smuzhiyun #define usb_hcd_unlink_urb_from_ep(hcd, urb) list_del_init(&urb->urb_list)
52*4882a593Smuzhiyun #define usb_hcd_check_unlink_urb(hdc, urb, status) 0
53*4882a593Smuzhiyun
usb_hcd_giveback_urb(struct usb_hcd * hcd,struct urb * urb,int status)54*4882a593Smuzhiyun static inline void usb_hcd_giveback_urb(struct usb_hcd *hcd,
55*4882a593Smuzhiyun struct urb *urb,
56*4882a593Smuzhiyun int status)
57*4882a593Smuzhiyun {
58*4882a593Smuzhiyun urb->status = status;
59*4882a593Smuzhiyun if (urb->complete)
60*4882a593Smuzhiyun urb->complete(urb);
61*4882a593Smuzhiyun }
62*4882a593Smuzhiyun
usb_hcd_unmap_urb_for_dma(struct usb_hcd * hcd,struct urb * urb)63*4882a593Smuzhiyun static inline int usb_hcd_unmap_urb_for_dma(struct usb_hcd *hcd,
64*4882a593Smuzhiyun struct urb *urb)
65*4882a593Smuzhiyun {
66*4882a593Smuzhiyun /* TODO: add cache invalidation here */
67*4882a593Smuzhiyun return 0;
68*4882a593Smuzhiyun }
69*4882a593Smuzhiyun
70*4882a593Smuzhiyun #if CONFIG_IS_ENABLED(DM_USB)
usb_dev_get_parent(struct usb_device * udev)71*4882a593Smuzhiyun static inline struct usb_device *usb_dev_get_parent(struct usb_device *udev)
72*4882a593Smuzhiyun {
73*4882a593Smuzhiyun struct udevice *parent = udev->dev->parent;
74*4882a593Smuzhiyun
75*4882a593Smuzhiyun /*
76*4882a593Smuzhiyun * When called from usb-uclass.c: usb_scan_device() udev->dev points
77*4882a593Smuzhiyun * to the parent udevice, not the actual udevice belonging to the
78*4882a593Smuzhiyun * udev as the device is not instantiated yet.
79*4882a593Smuzhiyun *
80*4882a593Smuzhiyun * If dev is an usb-bus, then we are called from usb_scan_device() for
81*4882a593Smuzhiyun * an usb-device plugged directly into the root port, return NULL.
82*4882a593Smuzhiyun */
83*4882a593Smuzhiyun if (device_get_uclass_id(udev->dev) == UCLASS_USB)
84*4882a593Smuzhiyun return NULL;
85*4882a593Smuzhiyun
86*4882a593Smuzhiyun /*
87*4882a593Smuzhiyun * If these 2 are not the same we are being called from
88*4882a593Smuzhiyun * usb_scan_device() and udev itself is the parent.
89*4882a593Smuzhiyun */
90*4882a593Smuzhiyun if (dev_get_parent_priv(udev->dev) != udev)
91*4882a593Smuzhiyun return udev;
92*4882a593Smuzhiyun
93*4882a593Smuzhiyun /* We are being called normally, use the parent pointer */
94*4882a593Smuzhiyun if (device_get_uclass_id(parent) == UCLASS_USB_HUB)
95*4882a593Smuzhiyun return dev_get_parent_priv(parent);
96*4882a593Smuzhiyun
97*4882a593Smuzhiyun return NULL;
98*4882a593Smuzhiyun }
99*4882a593Smuzhiyun #else
usb_dev_get_parent(struct usb_device * dev)100*4882a593Smuzhiyun static inline struct usb_device *usb_dev_get_parent(struct usb_device *dev)
101*4882a593Smuzhiyun {
102*4882a593Smuzhiyun return dev->parent;
103*4882a593Smuzhiyun }
104*4882a593Smuzhiyun #endif
105*4882a593Smuzhiyun
106*4882a593Smuzhiyun #endif /* __USB_COMPAT_H__ */
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