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6b587394c6
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>
125 lines
2.8 KiB
C
125 lines
2.8 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
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/*
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* mtu3_dr.h - dual role switch and host glue layer header
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*
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* Copyright (C) 2016 MediaTek Inc.
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*
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* Author: Chunfeng Yun <chunfeng.yun@mediatek.com>
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*/
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#ifndef _MTU3_DR_H_
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#define _MTU3_DR_H_
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#if IS_ENABLED(CONFIG_USB_MTU3_HOST) || IS_ENABLED(CONFIG_USB_MTU3_DUAL_ROLE)
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int ssusb_host_init(struct ssusb_mtk *ssusb, struct device_node *parent_dn);
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void ssusb_host_exit(struct ssusb_mtk *ssusb);
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int ssusb_wakeup_of_property_parse(struct ssusb_mtk *ssusb,
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struct device_node *dn);
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int ssusb_host_resume(struct ssusb_mtk *ssusb, bool p0_skipped);
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int ssusb_host_suspend(struct ssusb_mtk *ssusb);
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void ssusb_wakeup_set(struct ssusb_mtk *ssusb, bool enable);
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#else
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static inline int ssusb_host_init(struct ssusb_mtk *ssusb,
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struct device_node *parent_dn)
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{
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return 0;
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}
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static inline void ssusb_host_exit(struct ssusb_mtk *ssusb)
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{}
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static inline int ssusb_wakeup_of_property_parse(
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struct ssusb_mtk *ssusb, struct device_node *dn)
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{
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return 0;
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}
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static inline int ssusb_host_resume(struct ssusb_mtk *ssusb, bool p0_skipped)
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{
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return 0;
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}
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static inline int ssusb_host_suspend(struct ssusb_mtk *ssusb)
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{
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return 0;
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}
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static inline void ssusb_wakeup_set(struct ssusb_mtk *ssusb, bool enable)
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{}
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#endif
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#if IS_ENABLED(CONFIG_USB_MTU3_GADGET) || IS_ENABLED(CONFIG_USB_MTU3_DUAL_ROLE)
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int ssusb_gadget_init(struct ssusb_mtk *ssusb);
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void ssusb_gadget_exit(struct ssusb_mtk *ssusb);
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int ssusb_gadget_suspend(struct ssusb_mtk *ssusb, pm_message_t msg);
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int ssusb_gadget_resume(struct ssusb_mtk *ssusb, pm_message_t msg);
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bool ssusb_gadget_ip_sleep_check(struct ssusb_mtk *ssusb);
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#else
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static inline int ssusb_gadget_init(struct ssusb_mtk *ssusb)
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{
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return 0;
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}
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static inline void ssusb_gadget_exit(struct ssusb_mtk *ssusb)
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{}
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static inline int
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ssusb_gadget_suspend(struct ssusb_mtk *ssusb, pm_message_t msg)
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{
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return 0;
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}
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static inline int
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ssusb_gadget_resume(struct ssusb_mtk *ssusb, pm_message_t msg)
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{
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return 0;
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}
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static inline bool ssusb_gadget_ip_sleep_check(struct ssusb_mtk *ssusb)
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{
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return true;
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}
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#endif
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#if IS_ENABLED(CONFIG_USB_MTU3_DUAL_ROLE)
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int ssusb_otg_switch_init(struct ssusb_mtk *ssusb);
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void ssusb_otg_switch_exit(struct ssusb_mtk *ssusb);
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void ssusb_mode_switch(struct ssusb_mtk *ssusb, int to_host);
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int ssusb_set_vbus(struct otg_switch_mtk *otg_sx, int is_on);
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void ssusb_set_force_mode(struct ssusb_mtk *ssusb,
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enum mtu3_dr_force_mode mode);
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#else
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static inline int ssusb_otg_switch_init(struct ssusb_mtk *ssusb)
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{
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return 0;
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}
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static inline void ssusb_otg_switch_exit(struct ssusb_mtk *ssusb)
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{}
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static inline void ssusb_mode_switch(struct ssusb_mtk *ssusb, int to_host)
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{}
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static inline int ssusb_set_vbus(struct otg_switch_mtk *otg_sx, int is_on)
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{
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return 0;
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}
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static inline void
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ssusb_set_force_mode(struct ssusb_mtk *ssusb, enum mtu3_dr_force_mode mode)
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{}
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#endif
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#endif /* _MTU3_DR_H_ */
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