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  */
17 enum 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  */
31 struct 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 
38 int 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);
41 void mtk_mdp_comp_deinit(struct device *dev, struct mtk_mdp_comp *comp);
42 void mtk_mdp_comp_clock_on(struct device *dev, struct mtk_mdp_comp *comp);
43 void mtk_mdp_comp_clock_off(struct device *dev, struct mtk_mdp_comp *comp);
44 
45 
46 #endif /* __MTK_MDP_COMP_H__ */
47