include/linux/firmware/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
  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
  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
  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_ */