drivers/usb/chipidea/otg.h

   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 */