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 <angelogioacchino.delregno@collabora.com>
   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