root/drivers/media/platform/mediatek/mdp/mtk_mdp_comp.h
/* SPDX-License-Identifier: GPL-2.0-only */
/*
 * Copyright (c) 2016 MediaTek Inc.
 * Author: Ming Hsiu Tsai <minghsiu.tsai@mediatek.com>
 */

#ifndef __MTK_MDP_COMP_H__
#define __MTK_MDP_COMP_H__

/**
 * enum mtk_mdp_comp_type - the MDP component
 * @MTK_MDP_RDMA:       Read DMA
 * @MTK_MDP_RSZ:        Riszer
 * @MTK_MDP_WDMA:       Write DMA
 * @MTK_MDP_WROT:       Write DMA with rotation
 */
enum mtk_mdp_comp_type {
        MTK_MDP_RDMA,
        MTK_MDP_RSZ,
        MTK_MDP_WDMA,
        MTK_MDP_WROT,
};

/**
 * struct mtk_mdp_comp - the MDP's function component data
 * @node:       list node to track sibing MDP components
 * @dev_node:   component device node
 * @clk:        clocks required for component
 * @type:       component type
 */
struct mtk_mdp_comp {
        struct list_head        node;
        struct device_node      *dev_node;
        struct clk              *clk[2];
        enum mtk_mdp_comp_type  type;
};

int mtk_mdp_comp_init(struct device *dev, struct device_node *node,
                      struct mtk_mdp_comp *comp,
                      enum mtk_mdp_comp_type comp_type);
void mtk_mdp_comp_deinit(struct device *dev, struct mtk_mdp_comp *comp);
void mtk_mdp_comp_clock_on(struct device *dev, struct mtk_mdp_comp *comp);
void mtk_mdp_comp_clock_off(struct device *dev, struct mtk_mdp_comp *comp);


#endif /* __MTK_MDP_COMP_H__ */