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[linux.git] / include / linux / soc / mediatek / dvfsrc.h
1 /* SPDX-License-Identifier: GPL-2.0
2  *
3  * Copyright (c) 2021 MediaTek Inc.
4  * Copyright (c) 2024 Collabora Ltd.
5  *                    AngeloGioacchino Del Regno <[email protected]>
6  */
7
8 #ifndef __MEDIATEK_DVFSRC_H
9 #define __MEDIATEK_DVFSRC_H
10
11 enum mtk_dvfsrc_cmd {
12         MTK_DVFSRC_CMD_BW,
13         MTK_DVFSRC_CMD_HRT_BW,
14         MTK_DVFSRC_CMD_PEAK_BW,
15         MTK_DVFSRC_CMD_OPP,
16         MTK_DVFSRC_CMD_VCORE_LEVEL,
17         MTK_DVFSRC_CMD_VSCP_LEVEL,
18         MTK_DVFSRC_CMD_MAX,
19 };
20
21 #if IS_ENABLED(CONFIG_MTK_DVFSRC)
22
23 int mtk_dvfsrc_send_request(const struct device *dev, u32 cmd, u64 data);
24 int mtk_dvfsrc_query_info(const struct device *dev, u32 cmd, int *data);
25
26 #else
27
28 static inline int mtk_dvfsrc_send_request(const struct device *dev, u32 cmd, u64 data)
29 { return -ENODEV; }
30
31 static inline int mtk_dvfsrc_query_info(const struct device *dev, u32 cmd, int *data)
32 { return -ENODEV; }
33
34 #endif /* CONFIG_MTK_DVFSRC */
35
36 #endif
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