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/* Copyright (c) 2015-2016, The Linux Foundation. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 and
* only version 2 as published by the Free Software Foundation.
*
* 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 MHI_SM_H
#define MHI_SM_H
#include "mhi.h"
#include <linux/slab.h>
#include <linux/msm_ep_pcie.h>
/**
* enum mhi_dev_event - MHI state change events
* @MHI_DEV_EVENT_CTRL_TRIG: CTRL register change event.
* Not supported,for future use
* @MHI_DEV_EVENT_M0_STATE: M0 state change event
* @MHI_DEV_EVENT_M1_STATE: M1 state change event. Not supported, for future use
* @MHI_DEV_EVENT_M2_STATE: M2 state change event. Not supported, for future use
* @MHI_DEV_EVENT_M3_STATE: M0 state change event
* @MHI_DEV_EVENT_HW_ACC_WAKEUP: pendding data on IPA, initiate Host wakeup
* @MHI_DEV_EVENT_CORE_WAKEUP: MHI core initiate Host wakup
*/
enum mhi_dev_event {
MHI_DEV_EVENT_CTRL_TRIG,
MHI_DEV_EVENT_M0_STATE,
MHI_DEV_EVENT_M1_STATE,
MHI_DEV_EVENT_M2_STATE,
MHI_DEV_EVENT_M3_STATE,
MHI_DEV_EVENT_HW_ACC_WAKEUP,
MHI_DEV_EVENT_CORE_WAKEUP,
MHI_DEV_EVENT_MAX
};
int mhi_dev_sm_init(struct mhi_dev *dev);
int mhi_dev_sm_set_ready(void);
int mhi_dev_notify_sm_event(enum mhi_dev_event event);
int mhi_dev_sm_get_mhi_state(enum mhi_dev_state *state);
int mhi_dev_sm_syserr(void);
void mhi_dev_sm_pcie_handler(struct ep_pcie_notify *notify);
#endif /* MHI_SM_H */
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