xref: /linux/drivers/usb/mtu3/mtu3_dr.h (revision e7d759f31ca295d589f7420719c311870bb3166f)
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_resume(struct ssusb_mtk *ssusb, bool p0_skipped);
20 int ssusb_host_suspend(struct ssusb_mtk *ssusb);
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_resume(struct ssusb_mtk *ssusb, bool p0_skipped)
42 {
43 	return 0;
44 }
45 
46 static inline int ssusb_host_suspend(struct ssusb_mtk *ssusb)
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 int ssusb_gadget_suspend(struct ssusb_mtk *ssusb, pm_message_t msg);
61 int ssusb_gadget_resume(struct ssusb_mtk *ssusb, pm_message_t msg);
62 bool ssusb_gadget_ip_sleep_check(struct ssusb_mtk *ssusb);
63 
64 #else
65 static inline int ssusb_gadget_init(struct ssusb_mtk *ssusb)
66 {
67 	return 0;
68 }
69 
70 static inline void ssusb_gadget_exit(struct ssusb_mtk *ssusb)
71 {}
72 
73 static inline int
74 ssusb_gadget_suspend(struct ssusb_mtk *ssusb, pm_message_t msg)
75 {
76 	return 0;
77 }
78 
79 static inline int
80 ssusb_gadget_resume(struct ssusb_mtk *ssusb, pm_message_t msg)
81 {
82 	return 0;
83 }
84 
85 static inline bool ssusb_gadget_ip_sleep_check(struct ssusb_mtk *ssusb)
86 {
87 	return true;
88 }
89 
90 #endif
91 
92 
93 #if IS_ENABLED(CONFIG_USB_MTU3_DUAL_ROLE)
94 int ssusb_otg_switch_init(struct ssusb_mtk *ssusb);
95 void ssusb_otg_switch_exit(struct ssusb_mtk *ssusb);
96 void ssusb_mode_switch(struct ssusb_mtk *ssusb, int to_host);
97 int ssusb_set_vbus(struct otg_switch_mtk *otg_sx, int is_on);
98 void ssusb_set_force_mode(struct ssusb_mtk *ssusb,
99 			  enum mtu3_dr_force_mode mode);
100 
101 #else
102 
103 static inline int ssusb_otg_switch_init(struct ssusb_mtk *ssusb)
104 {
105 	return 0;
106 }
107 
108 static inline void ssusb_otg_switch_exit(struct ssusb_mtk *ssusb)
109 {}
110 
111 static inline void ssusb_mode_switch(struct ssusb_mtk *ssusb, int to_host)
112 {}
113 
114 static inline int ssusb_set_vbus(struct otg_switch_mtk *otg_sx, int is_on)
115 {
116 	return 0;
117 }
118 
119 static inline void
120 ssusb_set_force_mode(struct ssusb_mtk *ssusb, enum mtu3_dr_force_mode mode)
121 {}
122 
123 #endif
124 
125 #endif		/* _MTU3_DR_H_ */
126