|  | /* SPDX-License-Identifier: GPL-2.0 */ | 
|  | /* | 
|  | * Copyright (c) 2019 MediaTek Inc. | 
|  | * Author: Anthony Huang <anthony.huang@mediatek.com> | 
|  | */ | 
|  | #ifndef MTK_MMQOS_H | 
|  | #define MTK_MMQOS_H | 
|  |  | 
|  | enum hrt_type { | 
|  | HRT_MD, | 
|  | HRT_CAM, | 
|  | HRT_DISP, | 
|  | HRT_TYPE_NUM | 
|  | }; | 
|  |  | 
|  | enum { | 
|  | BW_THROTTLE_START = 1, | 
|  | BW_THROTTLE_START_RECOVER, | 
|  | BW_THROTTLE_END | 
|  | }; | 
|  |  | 
|  | #if IS_ENABLED(CONFIG_INTERCONNECT_MTK_MMQOS_COMMON) | 
|  | void mtk_mmqos_wait_throttle_done(void); | 
|  | s32 mtk_mmqos_set_hrt_bw(enum hrt_type type, u32 bw); | 
|  | s32 mtk_mmqos_get_avail_hrt_bw(enum hrt_type type); | 
|  | s32 mtk_mmqos_register_bw_throttle_notifier(struct notifier_block *nb); | 
|  | s32 mtk_mmqos_unregister_bw_throttle_notifier(struct notifier_block *nb); | 
|  | #else | 
|  | static inline void | 
|  | mtk_mmqos_wait_throttle_done(void) { return; } | 
|  |  | 
|  | static inline s32 | 
|  | mtk_mmqos_set_hrt_bw(enum hrt_type type, u32 bw) { return 0; } | 
|  |  | 
|  | static inline s32 | 
|  | mtk_mmqos_get_avail_hrt_bw(enum hrt_type type) { return -1; } | 
|  |  | 
|  | static inline s32 | 
|  | mtk_mmqos_register_bw_throttle_notifier(struct notifier_block *nb) { return 0; } | 
|  |  | 
|  | static inline s32 | 
|  | mtk_mmqos_unregister_bw_throttle_notifier(struct notifier_block *nb) | 
|  | { return 0; } | 
|  | #endif | 
|  |  | 
|  | #endif /* MTK_MMQOS_H */ |