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1 /*
2  * Copyright (c) 2016 MediaTek Inc.
3  * Author: Ming Hsiu Tsai <minghsiu.tsai@mediatek.com>
4  *
5  * This program is free software; you can redistribute it and/or modify
6  * it under the terms of the GNU General Public License version 2 as
7  * published by the Free Software Foundation.
8  *
9  * This program is distributed in the hope that it will be useful,
10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
12  * GNU General Public License for more details.
13  */
14 
15 #ifndef __MTK_MDP_COMP_H__
16 #define __MTK_MDP_COMP_H__
17 
18 /**
19  * enum mtk_mdp_comp_type - the MDP component
20  * @MTK_MDP_RDMA:	Read DMA
21  * @MTK_MDP_RSZ:	Riszer
22  * @MTK_MDP_WDMA:	Write DMA
23  * @MTK_MDP_WROT:	Write DMA with rotation
24  */
25 enum mtk_mdp_comp_type {
26 	MTK_MDP_RDMA,
27 	MTK_MDP_RSZ,
28 	MTK_MDP_WDMA,
29 	MTK_MDP_WROT,
30 	MTK_MDP_COMP_TYPE_MAX,
31 };
32 
33 enum mtk_mdp_comp_id {
34 	MTK_MDP_COMP_RDMA0,
35 	MTK_MDP_COMP_RDMA1,
36 	MTK_MDP_COMP_RSZ0,
37 	MTK_MDP_COMP_RSZ1,
38 	MTK_MDP_COMP_RSZ2,
39 	MTK_MDP_COMP_WDMA,
40 	MTK_MDP_COMP_WROT0,
41 	MTK_MDP_COMP_WROT1,
42 	MTK_MDP_COMP_ID_MAX,
43 };
44 
45 /**
46  * struct mtk_mdp_comp - the MDP's function component data
47  * @dev_node:	component device node
48  * @clk:	clocks required for component
49  * @regs:	Mapped address of component registers.
50  * @larb_dev:	SMI device required for component
51  * @type:	component type
52  * @id:		component ID
53  */
54 struct mtk_mdp_comp {
55 	struct device_node	*dev_node;
56 	struct clk		*clk[2];
57 	void __iomem		*regs;
58 	struct device		*larb_dev;
59 	enum mtk_mdp_comp_type	type;
60 	enum mtk_mdp_comp_id	id;
61 };
62 
63 int mtk_mdp_comp_init(struct device *dev, struct device_node *node,
64 		      struct mtk_mdp_comp *comp, enum mtk_mdp_comp_id comp_id);
65 void mtk_mdp_comp_deinit(struct device *dev, struct mtk_mdp_comp *comp);
66 int mtk_mdp_comp_get_id(struct device *dev, struct device_node *node,
67 			enum mtk_mdp_comp_type comp_type);
68 void mtk_mdp_comp_clock_on(struct device *dev, struct mtk_mdp_comp *comp);
69 void mtk_mdp_comp_clock_off(struct device *dev, struct mtk_mdp_comp *comp);
70 
71 
72 #endif /* __MTK_MDP_COMP_H__ */
73