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 16 static inline struct usb_hcd *musb_to_hcd(struct musb *musb) 17 { 18 return container_of((void *) musb, struct usb_hcd, hcd_priv); 19 } 20 21 static 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 */ 27 struct 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 */ 55 static 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 63 extern void musb_root_disconnect(struct musb *musb); 64 65 struct usb_hcd; 66 67 extern int musb_hub_status_data(struct usb_hcd *hcd, char *buf); 68 extern int musb_hub_control(struct usb_hcd *hcd, 69 u16 typeReq, u16 wValue, u16 wIndex, 70 char *buf, u16 wLength); 71 72 extern const struct hc_driver musb_hc_driver; 73 74 static 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__ 87 int musb_urb_enqueue(struct usb_hcd *hcd, struct urb *urb, gfp_t mem_flags); 88 int musb_urb_dequeue(struct usb_hcd *hcd, struct urb *urb, int status); 89 #endif 90 #endif /* _MUSB_HOST_H */ 91
