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 MTK_MDP_COMP_TYPE_MAX, 23 }; 24 25 enum mtk_mdp_comp_id { 26 MTK_MDP_COMP_RDMA0, 27 MTK_MDP_COMP_RDMA1, 28 MTK_MDP_COMP_RSZ0, 29 MTK_MDP_COMP_RSZ1, 30 MTK_MDP_COMP_RSZ2, 31 MTK_MDP_COMP_WDMA, 32 MTK_MDP_COMP_WROT0, 33 MTK_MDP_COMP_WROT1, 34 MTK_MDP_COMP_ID_MAX, 35 }; 36 37 /** 38 * struct mtk_mdp_comp - the MDP's function component data 39 * @dev_node: component device node 40 * @clk: clocks required for component 41 * @regs: Mapped address of component registers. 42 * @larb_dev: SMI device required for component 43 * @type: component type 44 * @id: component ID 45 */ 46 struct mtk_mdp_comp { 47 struct device_node *dev_node; 48 struct clk *clk[2]; 49 void __iomem *regs; 50 struct device *larb_dev; 51 enum mtk_mdp_comp_type type; 52 enum mtk_mdp_comp_id id; 53 }; 54 55 int mtk_mdp_comp_init(struct device *dev, struct device_node *node, 56 struct mtk_mdp_comp *comp, enum mtk_mdp_comp_id comp_id); 57 void mtk_mdp_comp_deinit(struct device *dev, struct mtk_mdp_comp *comp); 58 int mtk_mdp_comp_get_id(struct device *dev, struct device_node *node, 59 enum mtk_mdp_comp_type comp_type); 60 void mtk_mdp_comp_clock_on(struct device *dev, struct mtk_mdp_comp *comp); 61 void mtk_mdp_comp_clock_off(struct device *dev, struct mtk_mdp_comp *comp); 62 63 64 #endif /* __MTK_MDP_COMP_H__ */ 65