drivers/media/platform/mtk-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         MTK_MDP_COMP_TYPE_MAX,
  23 };
  24
  25 /**
  26  * struct mtk_mdp_comp - the MDP's function component data
  27  * @node:       list node to track sibing MDP components
  28  * @dev_node:   component device node
  29  * @clk:        clocks required for component
  30  * @larb_dev:   SMI device required for component
  31  * @type:       component type
  32  */
  33 struct mtk_mdp_comp {
  34         struct list_head        node;
  35         struct device_node      *dev_node;
  36         struct clk              *clk[2];
  37         struct device           *larb_dev;
  38         enum mtk_mdp_comp_type  type;
  39 };
  40
  41 int mtk_mdp_comp_init(struct device *dev, struct device_node *node,
  42                       struct mtk_mdp_comp *comp,
  43                       enum mtk_mdp_comp_type comp_type);
  44 void mtk_mdp_comp_deinit(struct device *dev, struct mtk_mdp_comp *comp);
  45 void mtk_mdp_comp_clock_on(struct device *dev, struct mtk_mdp_comp *comp);
  46 void mtk_mdp_comp_clock_off(struct device *dev, struct mtk_mdp_comp *comp);
  47
  48
  49 #endif /* __MTK_MDP_COMP_H__ */