98 lines
3.3 KiB
C
98 lines
3.3 KiB
C
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/*
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* include/linux/muic/muic_notifier.h
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*
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* header file supporting MUIC notifier call chain information
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*
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* Copyright (C) 2010 Samsung Electronics
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* Seung-Jin Hahn <sjin.hahn@samsung.com>
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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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#ifndef __MUIC_NOTIFIER_H__
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#define __MUIC_NOTIFIER_H__
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#include <linux/muic/muic.h>
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#if defined(CONFIG_PDIC_NOTIFIER)
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#include <linux/usb/typec/common/pdic_notifier.h>
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#endif
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/* MUIC notifier call chain command */
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typedef enum {
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MUIC_NOTIFY_CMD_DETACH = 0,
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MUIC_NOTIFY_CMD_ATTACH,
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MUIC_NOTIFY_CMD_LOGICALLY_DETACH,
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MUIC_NOTIFY_CMD_LOGICALLY_ATTACH,
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MUIC_PDIC_NOTIFY_CMD_ATTACH,
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MUIC_PDIC_NOTIFY_CMD_DETACH,
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PDIC_MUIC_NOTIFY_CMD_JIG_ATTACH,
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PDIC_MUIC_NOTIFY_CMD_JIG_DETACH,
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} muic_notifier_cmd_t;
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/* MUIC notifier call sequence,
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* largest priority number device will be called first. */
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typedef enum {
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MUIC_NOTIFY_DEV_DOCK = 0,
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MUIC_NOTIFY_DEV_MHL,
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MUIC_NOTIFY_DEV_USB,
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MUIC_NOTIFY_DEV_TSP,
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MUIC_NOTIFY_DEV_CHARGER,
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MUIC_NOTIFY_DEV_PDIC,
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MUIC_NOTIFY_DEV_CPUIDLE,
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MUIC_NOTIFY_DEV_CPUFREQ,
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#ifdef CONFIG_USB_TYPEC_MANAGER_NOTIFIER
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MUIC_NOTIFY_DEV_MANAGER,
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#endif
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} muic_notifier_device_t;
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struct muic_notifier_struct {
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muic_attached_dev_t attached_dev;
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muic_notifier_cmd_t cmd;
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#if defined(CONFIG_PDIC_NOTIFIER)
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PD_NOTI_ATTACH_TYPEDEF cxt;
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#endif
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struct blocking_notifier_head notifier_call_chain;
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};
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#define MUIC_NOTIFIER_BLOCK(name) \
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struct notifier_block (name)
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/* muic notifier init/notify function
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* this function is for JUST MUIC device driver.
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* DON'T use function anywhrer else!!
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*/
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extern void muic_notifier_attach_attached_dev(muic_attached_dev_t new_dev);
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extern void muic_notifier_detach_attached_dev(muic_attached_dev_t cur_dev);
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extern void muic_pdic_notifier_attach_attached_dev(muic_attached_dev_t new_dev);
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extern void muic_pdic_notifier_detach_attached_dev(muic_attached_dev_t new_dev);
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extern void muic_notifier_logically_attach_attached_dev(muic_attached_dev_t new_dev);
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extern void muic_notifier_logically_detach_attached_dev(muic_attached_dev_t cur_dev);
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#if defined(CONFIG_PDIC_S2MU004)
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extern int muic_pdic_notifier_register(struct notifier_block *nb,
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notifier_fn_t notifier, muic_notifier_device_t listener);
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extern int muic_pdic_notifier_unregister(struct notifier_block *nb);
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#endif
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/* muic notifier register/unregister API
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* for used any where want to receive muic attached device attach/detach. */
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extern int muic_notifier_register(struct notifier_block *nb,
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notifier_fn_t notifier, muic_notifier_device_t listener);
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extern int muic_notifier_unregister(struct notifier_block *nb);
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/* Choose a proper noti. interface for a test */
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extern void muic_notifier_set_new_noti(bool flag);
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#endif /* __MUIC_NOTIFIER_H__ */
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