xlnx-event-manager.h

 1/* SPDX-License-Identifier: GPL-2.0 */
 2/*
 3 * Xilinx Event Management Driver
 4 *
 5 * Copyright (C) 2024, Advanced Micro Devices, Inc.
 6 */
 7
 8#ifndef _FIRMWARE_XLNX_EVENT_MANAGER_H_
 9#define _FIRMWARE_XLNX_EVENT_MANAGER_H_
10
11#include <linux/firmware/xlnx-zynqmp.h>
12
13#define CB_MAX_PAYLOAD_SIZE	(4U) /*In payload maximum 32bytes */
14
15#define EVENT_SUBSYSTEM_RESTART		(4U)
16
17#define PM_DEV_ACPU_0_0			(0x1810c0afU)
18#define PM_DEV_ACPU_0			(0x1810c003U)
19
20/************************** Exported Function *****************************/
21
22typedef void (*event_cb_func_t)(const u32 *payload, void *data);
23
24#if IS_REACHABLE(CONFIG_XLNX_EVENT_MANAGER)
25int xlnx_register_event(const enum pm_api_cb_id cb_type, const u32 node_id,
26			const u32 event, const bool wake,
27			event_cb_func_t cb_fun, void *data);
28
29int xlnx_unregister_event(const enum pm_api_cb_id cb_type, const u32 node_id,
30			  const u32 event, event_cb_func_t cb_fun, void *data);
31#else
32static inline int xlnx_register_event(const enum pm_api_cb_id cb_type, const u32 node_id,
33				      const u32 event, const bool wake,
34				      event_cb_func_t cb_fun, void *data)
35{
36	return -ENODEV;
37}
38
39static inline int xlnx_unregister_event(const enum pm_api_cb_id cb_type, const u32 node_id,
40					const u32 event, event_cb_func_t cb_fun, void *data)
41{
42	return -ENODEV;
43}
44#endif
45
46#endif /* _FIRMWARE_XLNX_EVENT_MANAGER_H_ */