1 /* 2 * MUSB OTG driver host defines 3 * 4 * Copyright 2005 Mentor Graphics Corporation 5 * Copyright (C) 2005-2006 by Texas Instruments 6 * Copyright (C) 2006-2007 Nokia Corporation 7 * 8 * SPDX-License-Identifier: GPL-2.0 9 */ 10 11 #ifndef _MUSB_HOST_H 12 #define _MUSB_HOST_H 13 #ifdef __UBOOT__ 14 #include "usb-compat.h" 15 #endif 16 17 static inline struct usb_hcd *musb_to_hcd(struct musb *musb) 18 { 19 return container_of((void *) musb, struct usb_hcd, hcd_priv); 20 } 21 22 static inline struct musb *hcd_to_musb(struct usb_hcd *hcd) 23 { 24 return (struct musb *) (hcd->hcd_priv); 25 } 26 27 /* stored in "usb_host_endpoint.hcpriv" for scheduled endpoints */ 28 struct musb_qh { 29 struct usb_host_endpoint *hep; /* usbcore info */ 30 struct usb_device *dev; 31 struct musb_hw_ep *hw_ep; /* current binding */ 32 33 struct list_head ring; /* of musb_qh */ 34 /* struct musb_qh *next; */ /* for periodic tree */ 35 u8 mux; /* qh multiplexed to hw_ep */ 36 37 unsigned offset; /* in urb->transfer_buffer */ 38 unsigned segsize; /* current xfer fragment */ 39 40 u8 type_reg; /* {rx,tx} type register */ 41 u8 intv_reg; /* {rx,tx} interval register */ 42 u8 addr_reg; /* device address register */ 43 u8 h_addr_reg; /* hub address register */ 44 u8 h_port_reg; /* hub port register */ 45 46 u8 is_ready; /* safe to modify hw_ep */ 47 u8 type; /* XFERTYPE_* */ 48 u8 epnum; 49 u8 hb_mult; /* high bandwidth pkts per uf */ 50 u16 maxpacket; 51 u16 frame; /* for periodic schedule */ 52 unsigned iso_idx; /* in urb->iso_frame_desc[] */ 53 }; 54 55 /* map from control or bulk queue head to the first qh on that ring */ 56 static inline struct musb_qh *first_qh(struct list_head *q) 57 { 58 if (list_empty(q)) 59 return NULL; 60 return list_entry(q->next, struct musb_qh, ring); 61 } 62 63 64 extern void musb_root_disconnect(struct musb *musb); 65 66 struct usb_hcd; 67 68 extern int musb_hub_status_data(struct usb_hcd *hcd, char *buf); 69 extern int musb_hub_control(struct usb_hcd *hcd, 70 u16 typeReq, u16 wValue, u16 wIndex, 71 char *buf, u16 wLength); 72 73 extern const struct hc_driver musb_hc_driver; 74 75 static inline struct urb *next_urb(struct musb_qh *qh) 76 { 77 struct list_head *queue; 78 79 if (!qh) 80 return NULL; 81 queue = &qh->hep->urb_list; 82 if (list_empty(queue)) 83 return NULL; 84 return list_entry(queue->next, struct urb, urb_list); 85 } 86 87 #ifdef __UBOOT__ 88 int musb_urb_enqueue(struct usb_hcd *hcd, struct urb *urb, gfp_t mem_flags); 89 int musb_urb_dequeue(struct usb_hcd *hcd, struct urb *urb, int status); 90 #endif 91 #endif /* _MUSB_HOST_H */ 92