80 lines
2.5 KiB
C
80 lines
2.5 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
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/*
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*
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* header file supporting usb notify layer
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* external notify call chain information
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*
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* Copyright (C) 2016-2022 Samsung Electronics
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*
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*/
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/* usb notify layer v3.7 */
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#ifndef __EXTERNAL_NOTIFY_H__
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#define __EXTERNAL_NOTIFY_H__
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#include <linux/notifier.h>
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/* external notifier call chain command */
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enum external_notify_cmd {
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EXTERNAL_NOTIFY_3S_NODEVICE = 1,
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EXTERNAL_NOTIFY_DEVICE_CONNECT,
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EXTERNAL_NOTIFY_HOSTBLOCK_PRE,
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EXTERNAL_NOTIFY_HOSTBLOCK_POST,
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EXTERNAL_NOTIFY_MDMBLOCK_PRE,
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EXTERNAL_NOTIFY_MDMBLOCK_POST,
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EXTERNAL_NOTIFY_POWERROLE,
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EXTERNAL_NOTIFY_DEVICEADD,
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EXTERNAL_NOTIFY_HOSTBLOCK_EARLY,
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EXTERNAL_NOTIFY_VBUS_RESET,
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EXTERNAL_NOTIFY_POSSIBLE_USB,
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};
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/* external notifier call sequence,
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* largest priority number device will be called first.
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*/
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enum external_notify_device {
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EXTERNAL_NOTIFY_DEV_MUIC,
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EXTERNAL_NOTIFY_DEV_CHARGER,
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EXTERNAL_NOTIFY_DEV_PDIC,
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EXTERNAL_NOTIFY_DEV_MANAGER,
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};
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enum external_notify_condev {
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EXTERNAL_NOTIFY_NONE = 0,
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EXTERNAL_NOTIFY_GPAD,
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EXTERNAL_NOTIFY_LANHUB,
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};
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#ifdef CONFIG_USB_EXTERNAL_NOTIFY
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extern int send_external_notify(unsigned long cmd, int data);
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extern int usb_external_notify_register(struct notifier_block *nb,
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notifier_fn_t notifier, int listener);
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extern int usb_external_notify_unregister(struct notifier_block *nb);
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extern void external_notifier_init(void);
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#else
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static inline int send_external_notify(unsigned long cmd,
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int data) {return 0; }
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static inline int usb_external_notify_register(struct notifier_block *nb,
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notifier_fn_t notifier, int listener) {return 0; }
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static inline int usb_external_notify_unregister(struct notifier_block *nb)
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{return 0; }
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static inline void external_notifier_init(void) {}
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#endif
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#endif /* __EXTERNAL_NOTIFY_H__ */
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