mirror of https://gitee.com/openkylin/linux.git
73 lines
2.0 KiB
C
73 lines
2.0 KiB
C
/*
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* Copyright (c) 2016 MediaTek Inc.
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* Author: Ming Hsiu Tsai <minghsiu.tsai@mediatek.com>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*/
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#ifndef __MTK_MDP_COMP_H__
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#define __MTK_MDP_COMP_H__
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/**
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* enum mtk_mdp_comp_type - the MDP component
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* @MTK_MDP_RDMA: Read DMA
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* @MTK_MDP_RSZ: Riszer
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* @MTK_MDP_WDMA: Write DMA
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* @MTK_MDP_WROT: Write DMA with rotation
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*/
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enum mtk_mdp_comp_type {
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MTK_MDP_RDMA,
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MTK_MDP_RSZ,
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MTK_MDP_WDMA,
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MTK_MDP_WROT,
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MTK_MDP_COMP_TYPE_MAX,
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};
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enum mtk_mdp_comp_id {
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MTK_MDP_COMP_RDMA0,
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MTK_MDP_COMP_RDMA1,
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MTK_MDP_COMP_RSZ0,
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MTK_MDP_COMP_RSZ1,
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MTK_MDP_COMP_RSZ2,
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MTK_MDP_COMP_WDMA,
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MTK_MDP_COMP_WROT0,
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MTK_MDP_COMP_WROT1,
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MTK_MDP_COMP_ID_MAX,
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};
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/**
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* struct mtk_mdp_comp - the MDP's function component data
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* @dev_node: component device node
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* @clk: clocks required for component
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* @regs: Mapped address of component registers.
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* @larb_dev: SMI device required for component
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* @type: component type
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* @id: component ID
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*/
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struct mtk_mdp_comp {
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struct device_node *dev_node;
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struct clk *clk[2];
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void __iomem *regs;
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struct device *larb_dev;
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enum mtk_mdp_comp_type type;
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enum mtk_mdp_comp_id id;
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};
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int mtk_mdp_comp_init(struct device *dev, struct device_node *node,
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struct mtk_mdp_comp *comp, enum mtk_mdp_comp_id comp_id);
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void mtk_mdp_comp_deinit(struct device *dev, struct mtk_mdp_comp *comp);
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int mtk_mdp_comp_get_id(struct device *dev, struct device_node *node,
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enum mtk_mdp_comp_type comp_type);
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void mtk_mdp_comp_clock_on(struct device *dev, struct mtk_mdp_comp *comp);
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void mtk_mdp_comp_clock_off(struct device *dev, struct mtk_mdp_comp *comp);
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#endif /* __MTK_MDP_COMP_H__ */
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