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linux-next/drivers/usb/mtu3/mtu3_dr.h
Chunfeng Yun d0ed062a8b usb: mtu3: dual-role mode support
support dual-role mode; there are two ways to switch between
host and device modes, one is by idpin, another is by debugfs
which depends on user input.

Signed-off-by: Chunfeng Yun <chunfeng.yun@mediatek.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2016-10-27 17:02:41 +02:00

109 lines
2.6 KiB
C

/*
* mtu3_dr.h - dual role switch and host glue layer header
*
* Copyright (C) 2016 MediaTek Inc.
*
* Author: Chunfeng Yun <chunfeng.yun@mediatek.com>
*
* This software is licensed under the terms of the GNU General Public
* License version 2, as published by the Free Software Foundation, and
* may be copied, distributed, and modified under those terms.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
*/
#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_enable(struct ssusb_mtk *ssusb);
int ssusb_host_disable(struct ssusb_mtk *ssusb, bool suspend);
int ssusb_wakeup_enable(struct ssusb_mtk *ssusb);
void ssusb_wakeup_disable(struct ssusb_mtk *ssusb);
#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_enable(struct ssusb_mtk *ssusb)
{
return 0;
}
static inline int ssusb_host_disable(struct ssusb_mtk *ssusb, bool suspend)
{
return 0;
}
static inline int ssusb_wakeup_enable(struct ssusb_mtk *ssusb)
{
return 0;
}
static inline void ssusb_wakeup_disable(struct ssusb_mtk *ssusb)
{}
#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);
#else
static inline int ssusb_gadget_init(struct ssusb_mtk *ssusb)
{
return 0;
}
static inline void ssusb_gadget_exit(struct ssusb_mtk *ssusb)
{}
#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);
int ssusb_set_vbus(struct otg_switch_mtk *otg_sx, int is_on);
#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 int ssusb_set_vbus(struct otg_switch_mtk *otg_sx, int is_on)
{
return 0;
}
#endif
#endif /* _MTU3_DR_H_ */