52 lines
1.7 KiB
C
52 lines
1.7 KiB
C
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/* Copyright (c) 2015, The Linux Foundation. All rights reserved.
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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 version 2 and
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* only version 2 as published by the Free Software Foundation.
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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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#ifndef MHI_SM_H
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#define MHI_SM_H
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#include "mhi.h"
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#include <linux/slab.h>
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#include <linux/msm_ep_pcie.h>
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/**
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* enum mhi_dev_event - MHI state change events
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* @MHI_DEV_EVENT_CTRL_TRIG: CTRL register change event.
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* Not supported,for future use
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* @MHI_DEV_EVENT_M0_STATE: M0 state change event
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* @MHI_DEV_EVENT_M1_STATE: M1 state change event. Not supported, for future use
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* @MHI_DEV_EVENT_M2_STATE: M2 state change event. Not supported, for future use
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* @MHI_DEV_EVENT_M3_STATE: M0 state change event
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* @MHI_DEV_EVENT_HW_ACC_WAKEUP: pendding data on IPA, initiate Host wakeup
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* @MHI_DEV_EVENT_CORE_WAKEUP: MHI core initiate Host wakup
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*/
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enum mhi_dev_event {
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MHI_DEV_EVENT_CTRL_TRIG,
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MHI_DEV_EVENT_M0_STATE,
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MHI_DEV_EVENT_M1_STATE,
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MHI_DEV_EVENT_M2_STATE,
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MHI_DEV_EVENT_M3_STATE,
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MHI_DEV_EVENT_HW_ACC_WAKEUP,
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MHI_DEV_EVENT_CORE_WAKEUP,
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MHI_DEV_EVENT_MAX
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};
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int mhi_dev_sm_init(struct mhi_dev *dev);
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int mhi_dev_sm_set_ready(void);
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int mhi_dev_notify_sm_event(enum mhi_dev_event event);
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int mhi_dev_sm_get_mhi_state(enum mhi_dev_state *state);
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int mhi_dev_sm_syserr(void);
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void mhi_dev_sm_pcie_handler(struct ep_pcie_notify *notify);
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#endif /* MHI_SM_H */
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