mirror of
git://nv-tegra.nvidia.com/linux-nv-oot.git
synced 2025-12-24 10:11:26 +03:00
75bfcf326d
Add suspend resume hooks function and handling of sc7 events. Bug 3583331 Bug 3826630 Signed-off-by: Mahesh Kumar <mahkumar@nvidia.com> Change-Id: I920b02ad46a76330febe666fe17e8d328f744b1d Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvidia/+/2834856 Reviewed-by: Arun Swain <arswain@nvidia.com> GVS: Gerrit_Virtual_Submit <buildbot_gerritrpt@nvidia.com> Reviewed-on: https://git-master.nvidia.com/r/c/linux-nvidia/+/2824218 Reviewed-by: svc-mobile-coverity <svc-mobile-coverity@nvidia.com> Reviewed-by: svc-mobile-cert <svc-mobile-cert@nvidia.com> Reviewed-by: svc_kernel_abi <svc_kernel_abi@nvidia.com>
105 lines
2.9 KiB
C
105 lines
2.9 KiB
C
/*
|
|
* Copyright (c) 2022-2023, NVIDIA CORPORATION & AFFILIATES. All rights reserved.
|
|
*
|
|
* This program is free software; you can redistribute it and/or modify it
|
|
* under the terms and conditions of the GNU General Public License,
|
|
* version 2, as published by the Free Software Foundation.
|
|
*
|
|
* This program is distributed in the hope 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 DCE_FSM_H
|
|
#define DCE_FSM_H
|
|
|
|
#include <dce-cond.h>
|
|
#include <dce-lock.h>
|
|
|
|
/**
|
|
* enum dce_fsm_event_id_type - IDs to be used to convey various
|
|
* events throughout the life cycle of dce.
|
|
*/
|
|
enum dce_fsm_event_id_type {
|
|
EVENT_ID_DCE_INVALID = -1,
|
|
EVENT_ID_DCE_FSM_START = 0,
|
|
EVENT_ID_DCE_BOOT_COMPLETE_REQUESTED,
|
|
EVENT_ID_DCE_BOOT_COMPLETE_RECEIVED,
|
|
EVENT_ID_DCE_BOOT_CMD_MSG_REQUESTED,
|
|
EVENT_ID_DCE_BOOT_CMD_MSG_RECEIVED,
|
|
EVENT_ID_DCE_ADMIN_IPC_MSG_REQUESTED,
|
|
EVENT_ID_DCE_ADMIN_IPC_MSG_RECEIVED,
|
|
EVENT_ID_DCE_SC7_ENTER_REQUESTED,
|
|
EVENT_ID_DCE_SC7_ENTERED_RECEIVED,
|
|
EVENT_ID_DCE_SC7_EXIT_RECEIVED,
|
|
EVENT_ID_DCE_LOG_REQUESTED,
|
|
EVENT_ID_DCE_LOG_READY_RECEIVED,
|
|
EVENT_ID_DCE_ABORT_RECEIVED,
|
|
EVENT_ID_DCE_CRASH_LOG_RECEIVED,
|
|
EVENT_ID_DCE_LOG_OVERFLOW_RECEIVED,
|
|
EVENT_ID_DCE_FSM_STOP,
|
|
};
|
|
|
|
/**
|
|
* dce_fsm_state - Different states of dce.
|
|
*/
|
|
enum dce_fsm_state {
|
|
STATE_DCE_INVALID = -1,
|
|
STATE_DCE_FSM_IDLE = 0,
|
|
STATE_DCE_BOOT_WAIT,
|
|
STATE_DCE_BOOTCMD_WFI,
|
|
STATE_DCE_ADMIN_WFI,
|
|
STATE_DCE_SC7_ENTER_WFI,
|
|
STATE_DCE_SC7_ENTERED,
|
|
STATE_DCE_LOG_READY_WFI,
|
|
STATE_DCE_ABORT,
|
|
};
|
|
|
|
/**
|
|
* struct dce_fsm_info - contains info used by FSM
|
|
* @d : Pointer to tegra_dce struct
|
|
* @initialized : If FSM is initialized
|
|
* @c_state : Current state of FSM
|
|
* @lock : Mutex to protect FSM operations
|
|
* @requested_ipcs : Indicate what IPCs/requests are currently running.
|
|
* In case we support more than one FSM request at a time.
|
|
*/
|
|
struct dce_fsm_info {
|
|
struct tegra_dce *d;
|
|
bool initialized;
|
|
enum dce_fsm_state c_state;
|
|
struct dce_mutex lock;
|
|
u32 requested_ipcs;
|
|
};
|
|
|
|
/**
|
|
* struct dce_mailbox_send_cmd_params - contains params for callback function
|
|
* @cmd : u32 command to be send
|
|
* @interface : interface id on which command need to be sent
|
|
*/
|
|
struct dce_mailbox_send_cmd_params {
|
|
u32 cmd;
|
|
u32 interface;
|
|
};
|
|
|
|
/**
|
|
* struct dce_admin_send_msg_params - contains params for callback function
|
|
* @msg : Pointer to dce_ipc_msg
|
|
*/
|
|
struct dce_admin_send_msg_params {
|
|
struct dce_ipc_message *msg;
|
|
};
|
|
|
|
int dce_fsm_init(struct tegra_dce *d);
|
|
void dce_fsm_start(struct tegra_dce *d);
|
|
void dce_fsm_stop(struct tegra_dce *d);
|
|
void dce_fsm_deinit(struct tegra_dce *d);
|
|
int dce_fsm_post_event(struct tegra_dce *d,
|
|
enum dce_fsm_event_id_type event,
|
|
void *data);
|
|
|
|
int dce_handle_fsm_start_event(struct tegra_dce *d, void *params);
|
|
int dce_handle_event_stub(struct tegra_dce *d, void *params);
|
|
#endif
|