drivers/usb/mtu3/mtu3_dr.h

   1 // SPDX-License-Identifier: GPL-2.0
   2 /*
   3  * mtu3_dr.h - dual role switch and host glue layer header
   4  *
   5  * Copyright (C) 2016 MediaTek Inc.
   6  *
   7  * Author: Chunfeng Yun <chunfeng.yun@mediatek.com>
   8  */
   9
  10 #ifndef _MTU3_DR_H_
  11 #define _MTU3_DR_H_
  12
  13 #if IS_ENABLED(CONFIG_USB_MTU3_HOST) || IS_ENABLED(CONFIG_USB_MTU3_DUAL_ROLE)
  14
  15 int ssusb_host_init(struct ssusb_mtk *ssusb, struct device_node *parent_dn);
  16 void ssusb_host_exit(struct ssusb_mtk *ssusb);
  17 int ssusb_wakeup_of_property_parse(struct ssusb_mtk *ssusb,
  18                                 struct device_node *dn);
  19 int ssusb_host_enable(struct ssusb_mtk *ssusb);
  20 int ssusb_host_disable(struct ssusb_mtk *ssusb, bool suspend);
  21 void ssusb_wakeup_set(struct ssusb_mtk *ssusb, bool enable);
  22
  23 #else
  24
  25 static inline int ssusb_host_init(struct ssusb_mtk *ssusb,
  26
  27         struct device_node *parent_dn)
  28 {
  29         return 0;
  30 }
  31
  32 static inline void ssusb_host_exit(struct ssusb_mtk *ssusb)
  33 {}
  34
  35 static inline int ssusb_wakeup_of_property_parse(
  36         struct ssusb_mtk *ssusb, struct device_node *dn)
  37 {
  38         return 0;
  39 }
  40
  41 static inline int ssusb_host_enable(struct ssusb_mtk *ssusb)
  42 {
  43         return 0;
  44 }
  45
  46 static inline int ssusb_host_disable(struct ssusb_mtk *ssusb, bool suspend)
  47 {
  48         return 0;
  49 }
  50
  51 static inline void ssusb_wakeup_set(struct ssusb_mtk *ssusb, bool enable)
  52 {}
  53
  54 #endif
  55
  56
  57 #if IS_ENABLED(CONFIG_USB_MTU3_GADGET) || IS_ENABLED(CONFIG_USB_MTU3_DUAL_ROLE)
  58 int ssusb_gadget_init(struct ssusb_mtk *ssusb);
  59 void ssusb_gadget_exit(struct ssusb_mtk *ssusb);
  60 #else
  61 static inline int ssusb_gadget_init(struct ssusb_mtk *ssusb)
  62 {
  63         return 0;
  64 }
  65
  66 static inline void ssusb_gadget_exit(struct ssusb_mtk *ssusb)
  67 {}
  68 #endif
  69
  70
  71 #if IS_ENABLED(CONFIG_USB_MTU3_DUAL_ROLE)
  72 int ssusb_otg_switch_init(struct ssusb_mtk *ssusb);
  73 void ssusb_otg_switch_exit(struct ssusb_mtk *ssusb);
  74 void ssusb_mode_switch(struct ssusb_mtk *ssusb, int to_host);
  75 int ssusb_set_vbus(struct otg_switch_mtk *otg_sx, int is_on);
  76 void ssusb_set_force_mode(struct ssusb_mtk *ssusb,
  77                           enum mtu3_dr_force_mode mode);
  78
  79 #else
  80
  81 static inline int ssusb_otg_switch_init(struct ssusb_mtk *ssusb)
  82 {
  83         return 0;
  84 }
  85
  86 static inline void ssusb_otg_switch_exit(struct ssusb_mtk *ssusb)
  87 {}
  88
  89 static inline void ssusb_mode_switch(struct ssusb_mtk *ssusb, int to_host)
  90 {}
  91
  92 static inline int ssusb_set_vbus(struct otg_switch_mtk *otg_sx, int is_on)
  93 {
  94         return 0;
  95 }
  96
  97 static inline void
  98 ssusb_set_force_mode(struct ssusb_mtk *ssusb, enum mtu3_dr_force_mode mode)
  99 {}
 100
 101 #endif
 102
 103 #endif          /* _MTU3_DR_H_ */