xref: /openbmc/linux/drivers/usb/chipidea/otg.h (revision b34e08d5)
1 /*
2  * Copyright (C) 2013-2014 Freescale Semiconductor, Inc.
3  *
4  * Author: Peter Chen
5  *
6  * This program is free software; you can redistribute it and/or modify
7  * it under the terms of the GNU General Public License version 2 as
8  * published by the Free Software Foundation.
9  */
10 
11 #ifndef __DRIVERS_USB_CHIPIDEA_OTG_H
12 #define __DRIVERS_USB_CHIPIDEA_OTG_H
13 
14 static inline void ci_clear_otg_interrupt(struct ci_hdrc *ci, u32 bits)
15 {
16 	/* Only clear request bits */
17 	hw_write(ci, OP_OTGSC, OTGSC_INT_STATUS_BITS, bits);
18 }
19 
20 static inline void ci_enable_otg_interrupt(struct ci_hdrc *ci, u32 bits)
21 {
22 	hw_write(ci, OP_OTGSC, bits | OTGSC_INT_STATUS_BITS, bits);
23 }
24 
25 static inline void ci_disable_otg_interrupt(struct ci_hdrc *ci, u32 bits)
26 {
27 	hw_write(ci, OP_OTGSC, bits | OTGSC_INT_STATUS_BITS, 0);
28 }
29 
30 int ci_hdrc_otg_init(struct ci_hdrc *ci);
31 void ci_hdrc_otg_destroy(struct ci_hdrc *ci);
32 enum ci_role ci_otg_role(struct ci_hdrc *ci);
33 void ci_handle_vbus_change(struct ci_hdrc *ci);
34 
35 #endif /* __DRIVERS_USB_CHIPIDEA_OTG_H */
36