drivers/media/platform/mediatek/mdp/mtk_mdp_comp.h

   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__ */