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