linux/drivers/usb/mtu3/mtu3_dr.h
Chunfeng Yun 6b587394c6 usb: mtu3: support suspend/resume for dual-role mode
Support suspend/resume for dual-role mode including the single
port and multi-ports supported by host controller, when the host
supports mult-ports, only port0 (u2/u3) is used to support dual
role mode.

Signed-off-by: Chunfeng Yun <chunfeng.yun@mediatek.com>
Link: https://lore.kernel.org/r/1626340078-29111-14-git-send-email-chunfeng.yun@mediatek.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2021-07-27 15:58:37 +02:00

126 lines
2.8 KiB
C

/* SPDX-License-Identifier: GPL-2.0 */
/*
* mtu3_dr.h - dual role switch and host glue layer header
*
* Copyright (C) 2016 MediaTek Inc.
*
* Author: Chunfeng Yun <chunfeng.yun@mediatek.com>
*/
#ifndef _MTU3_DR_H_
#define _MTU3_DR_H_
#if IS_ENABLED(CONFIG_USB_MTU3_HOST) || IS_ENABLED(CONFIG_USB_MTU3_DUAL_ROLE)
int ssusb_host_init(struct ssusb_mtk *ssusb, struct device_node *parent_dn);
void ssusb_host_exit(struct ssusb_mtk *ssusb);
int ssusb_wakeup_of_property_parse(struct ssusb_mtk *ssusb,
struct device_node *dn);
int ssusb_host_resume(struct ssusb_mtk *ssusb, bool p0_skipped);
int ssusb_host_suspend(struct ssusb_mtk *ssusb);
void ssusb_wakeup_set(struct ssusb_mtk *ssusb, bool enable);
#else
static inline int ssusb_host_init(struct ssusb_mtk *ssusb,
struct device_node *parent_dn)
{
return 0;
}
static inline void ssusb_host_exit(struct ssusb_mtk *ssusb)
{}
static inline int ssusb_wakeup_of_property_parse(
struct ssusb_mtk *ssusb, struct device_node *dn)
{
return 0;
}
static inline int ssusb_host_resume(struct ssusb_mtk *ssusb, bool p0_skipped)
{
return 0;
}
static inline int ssusb_host_suspend(struct ssusb_mtk *ssusb)
{
return 0;
}
static inline void ssusb_wakeup_set(struct ssusb_mtk *ssusb, bool enable)
{}
#endif
#if IS_ENABLED(CONFIG_USB_MTU3_GADGET) || IS_ENABLED(CONFIG_USB_MTU3_DUAL_ROLE)
int ssusb_gadget_init(struct ssusb_mtk *ssusb);
void ssusb_gadget_exit(struct ssusb_mtk *ssusb);
int ssusb_gadget_suspend(struct ssusb_mtk *ssusb, pm_message_t msg);
int ssusb_gadget_resume(struct ssusb_mtk *ssusb, pm_message_t msg);
bool ssusb_gadget_ip_sleep_check(struct ssusb_mtk *ssusb);
#else
static inline int ssusb_gadget_init(struct ssusb_mtk *ssusb)
{
return 0;
}
static inline void ssusb_gadget_exit(struct ssusb_mtk *ssusb)
{}
static inline int
ssusb_gadget_suspend(struct ssusb_mtk *ssusb, pm_message_t msg)
{
return 0;
}
static inline int
ssusb_gadget_resume(struct ssusb_mtk *ssusb, pm_message_t msg)
{
return 0;
}
static inline bool ssusb_gadget_ip_sleep_check(struct ssusb_mtk *ssusb)
{
return true;
}
#endif
#if IS_ENABLED(CONFIG_USB_MTU3_DUAL_ROLE)
int ssusb_otg_switch_init(struct ssusb_mtk *ssusb);
void ssusb_otg_switch_exit(struct ssusb_mtk *ssusb);
void ssusb_mode_switch(struct ssusb_mtk *ssusb, int to_host);
int ssusb_set_vbus(struct otg_switch_mtk *otg_sx, int is_on);
void ssusb_set_force_mode(struct ssusb_mtk *ssusb,
enum mtu3_dr_force_mode mode);
#else
static inline int ssusb_otg_switch_init(struct ssusb_mtk *ssusb)
{
return 0;
}
static inline void ssusb_otg_switch_exit(struct ssusb_mtk *ssusb)
{}
static inline void ssusb_mode_switch(struct ssusb_mtk *ssusb, int to_host)
{}
static inline int ssusb_set_vbus(struct otg_switch_mtk *otg_sx, int is_on)
{
return 0;
}
static inline void
ssusb_set_force_mode(struct ssusb_mtk *ssusb, enum mtu3_dr_force_mode mode)
{}
#endif
#endif /* _MTU3_DR_H_ */