diff options
Diffstat (limited to 'drivers/media/platform/mtk-mdp/mtk_mdp_comp.h')
| -rw-r--r-- | drivers/media/platform/mtk-mdp/mtk_mdp_comp.h | 72 |
1 files changed, 72 insertions, 0 deletions
diff --git a/drivers/media/platform/mtk-mdp/mtk_mdp_comp.h b/drivers/media/platform/mtk-mdp/mtk_mdp_comp.h new file mode 100644 index 000000000..63b3983ef --- /dev/null +++ b/drivers/media/platform/mtk-mdp/mtk_mdp_comp.h @@ -0,0 +1,72 @@ +/* + * Copyright (c) 2016 MediaTek Inc. + * Author: Ming Hsiu Tsai <minghsiu.tsai@mediatek.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + */ + +#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, + MTK_MDP_COMP_TYPE_MAX, +}; + +enum mtk_mdp_comp_id { + MTK_MDP_COMP_RDMA0, + MTK_MDP_COMP_RDMA1, + MTK_MDP_COMP_RSZ0, + MTK_MDP_COMP_RSZ1, + MTK_MDP_COMP_RSZ2, + MTK_MDP_COMP_WDMA, + MTK_MDP_COMP_WROT0, + MTK_MDP_COMP_WROT1, + MTK_MDP_COMP_ID_MAX, +}; + +/** + * struct mtk_mdp_comp - the MDP's function component data + * @dev_node: component device node + * @clk: clocks required for component + * @regs: Mapped address of component registers. + * @larb_dev: SMI device required for component + * @type: component type + * @id: component ID + */ +struct mtk_mdp_comp { + struct device_node *dev_node; + struct clk *clk[2]; + void __iomem *regs; + struct device *larb_dev; + enum mtk_mdp_comp_type type; + enum mtk_mdp_comp_id id; +}; + +int mtk_mdp_comp_init(struct device *dev, struct device_node *node, + struct mtk_mdp_comp *comp, enum mtk_mdp_comp_id comp_id); +void mtk_mdp_comp_deinit(struct device *dev, struct mtk_mdp_comp *comp); +int mtk_mdp_comp_get_id(struct device *dev, struct device_node *node, + enum mtk_mdp_comp_type comp_type); +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__ */ |