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 | 49 |
1 files changed, 49 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..1bf0242cc --- /dev/null +++ b/drivers/media/platform/mtk-mdp/mtk_mdp_comp.h @@ -0,0 +1,49 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ +/* + * Copyright (c) 2016 MediaTek Inc. + * Author: Ming Hsiu Tsai <minghsiu.tsai@mediatek.com> + */ + +#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, +}; + +/** + * struct mtk_mdp_comp - the MDP's function component data + * @node: list node to track sibing MDP components + * @dev_node: component device node + * @clk: clocks required for component + * @larb_dev: SMI device required for component + * @type: component type + */ +struct mtk_mdp_comp { + struct list_head node; + struct device_node *dev_node; + struct clk *clk[2]; + struct device *larb_dev; + enum mtk_mdp_comp_type type; +}; + +int mtk_mdp_comp_init(struct device *dev, struct device_node *node, + struct mtk_mdp_comp *comp, + enum mtk_mdp_comp_type comp_type); +void mtk_mdp_comp_deinit(struct device *dev, struct mtk_mdp_comp *comp); +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__ */ |