1/* SPDX-License-Identifier: GPL-2.0-only */
2/*
3 * Copyright (c) 2016 MediaTek Inc.
4 * Author: Ming Hsiu Tsai <minghsiu.tsai@mediatek.com>
5 */
6
7#ifndef __MTK_MDP_COMP_H__
8#define __MTK_MDP_COMP_H__
9
10/**
11 * enum mtk_mdp_comp_type - the MDP component
12 * @MTK_MDP_RDMA:	Read DMA
13 * @MTK_MDP_RSZ:	Riszer
14 * @MTK_MDP_WDMA:	Write DMA
15 * @MTK_MDP_WROT:	Write DMA with rotation
16 */
17enum mtk_mdp_comp_type {
18	MTK_MDP_RDMA,
19	MTK_MDP_RSZ,
20	MTK_MDP_WDMA,
21	MTK_MDP_WROT,
22};
23
24/**
25 * struct mtk_mdp_comp - the MDP's function component data
26 * @node:	list node to track sibing MDP components
27 * @dev_node:	component device node
28 * @clk:	clocks required for component
29 * @type:	component type
30 */
31struct mtk_mdp_comp {
32	struct list_head	node;
33	struct device_node	*dev_node;
34	struct clk		*clk[2];
35	enum mtk_mdp_comp_type	type;
36};
37
38int mtk_mdp_comp_init(struct device *dev, struct device_node *node,
39		      struct mtk_mdp_comp *comp,
40		      enum mtk_mdp_comp_type comp_type);
41void mtk_mdp_comp_deinit(struct device *dev, struct mtk_mdp_comp *comp);
42void mtk_mdp_comp_clock_on(struct device *dev, struct mtk_mdp_comp *comp);
43void mtk_mdp_comp_clock_off(struct device *dev, struct mtk_mdp_comp *comp);
44
45
46#endif /* __MTK_MDP_COMP_H__ */
47