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ozusbsvc.h
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1 /* -----------------------------------------------------------------------------
2  * Copyright (c) 2011 Ozmo Inc
3  * Released under the GNU General Public License Version 2 (GPLv2).
4  * -----------------------------------------------------------------------------
5  */
6 #ifndef _OZUSBSVC_H
7 #define _OZUSBSVC_H
8 
9 /*------------------------------------------------------------------------------
10  * Per PD context info stored in application context area of PD.
11  * This object is reference counted to ensure it doesn't disappear while
12  * still in use.
13  */
14 struct oz_usb_ctx {
15  atomic_t ref_count;
16  u8 tx_seq_num;
17  u8 rx_seq_num;
18  struct oz_pd *pd;
19  void *hport;
20  int stopped;
21 };
22 
23 int oz_usb_init(void);
24 void oz_usb_term(void);
25 int oz_usb_start(struct oz_pd *pd, int resume);
26 void oz_usb_stop(struct oz_pd *pd, int pause);
27 void oz_usb_rx(struct oz_pd *pd, struct oz_elt *elt);
28 int oz_usb_heartbeat(struct oz_pd *pd);
29 void oz_usb_farewell(struct oz_pd *pd, u8 ep_num, u8 *data, u8 len);
30 
31 #endif /* _OZUSBSVC_H */
32 
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