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
22 typedef void (*event_cb_func_t)(const u32 *payload, void *data);
23
24 #if IS_REACHABLE(CONFIG_XLNX_EVENT_MANAGER)
25 int 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
29 int 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
xlnx_register_event(const enum pm_api_cb_id cb_type,const u32 node_id,const u32 event,const bool wake,event_cb_func_t cb_fun,void * data)32 static 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
xlnx_unregister_event(const enum pm_api_cb_id cb_type,const u32 node_id,const u32 event,event_cb_func_t cb_fun,void * data)39 static 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_ */
47