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mtk-mdp
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mtk_mdp_comp.h

mtk_mdp_comp.h 2.0 KB
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  1. /*
    2. 

  2.  * Copyright (c) 2016 MediaTek Inc.
    3. 

  3.  * Author: Ming Hsiu Tsai <minghsiu.tsai@mediatek.com>
    4. 

  4.  *
    5. 

  5.  * This program is free software; you can redistribute it and/or modify
    6. 

  6.  * it under the terms of the GNU General Public License version 2 as
    7. 

  7.  * published by the Free Software Foundation.
    8. 

  8.  *
    9. 

  9.  * This program is distributed in the hope that it will be useful,
    10. 

  10.  * but WITHOUT ANY WARRANTY; without even the implied warranty of
    11. 

  11.  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    12. 

  12.  * GNU General Public License for more details.
    13. 

  13.  */
    14. 

  14. 

  15. #ifndef __MTK_MDP_COMP_H__
    16. 

  16. #define __MTK_MDP_COMP_H__
    17. 

  17. 

  18. /**
    19. 

  19.  * enum mtk_mdp_comp_type - the MDP component
    20. 

  20.  * @MTK_MDP_RDMA:	Read DMA
    21. 

  21.  * @MTK_MDP_RSZ:	Riszer
    22. 

  22.  * @MTK_MDP_WDMA:	Write DMA
    23. 

  23.  * @MTK_MDP_WROT:	Write DMA with rotation
    24. 

  24.  */
    25. 

  25. enum mtk_mdp_comp_type {
    26. 

  26. 	MTK_MDP_RDMA,
    27. 

  27. 	MTK_MDP_RSZ,
    28. 

  28. 	MTK_MDP_WDMA,
    29. 

  29. 	MTK_MDP_WROT,
    30. 

  30. 	MTK_MDP_COMP_TYPE_MAX,
    31. 

  31. };
    32. 

  32. 

  33. enum mtk_mdp_comp_id {
    34. 

  34. 	MTK_MDP_COMP_RDMA0,
    35. 

  35. 	MTK_MDP_COMP_RDMA1,
    36. 

  36. 	MTK_MDP_COMP_RSZ0,
    37. 

  37. 	MTK_MDP_COMP_RSZ1,
    38. 

  38. 	MTK_MDP_COMP_RSZ2,
    39. 

  39. 	MTK_MDP_COMP_WDMA,
    40. 

  40. 	MTK_MDP_COMP_WROT0,
    41. 

  41. 	MTK_MDP_COMP_WROT1,
    42. 

  42. 	MTK_MDP_COMP_ID_MAX,
    43. 

  43. };
    44. 

  44. 

  45. /**
    46. 

  46.  * struct mtk_mdp_comp - the MDP's function component data
    47. 

  47.  * @dev_node:	component device node
    48. 

  48.  * @clk:	clocks required for component
    49. 

  49.  * @regs:	Mapped address of component registers.
    50. 

  50.  * @larb_dev:	SMI device required for component
    51. 

  51.  * @type:	component type
    52. 

  52.  * @id:		component ID
    53. 

  53.  */
    54. 

  54. struct mtk_mdp_comp {
    55. 

  55. 	struct device_node	*dev_node;
    56. 

  56. 	struct clk		*clk[2];
    57. 

  57. 	void __iomem		*regs;
    58. 

  58. 	struct device		*larb_dev;
    59. 

  59. 	enum mtk_mdp_comp_type	type;
    60. 

  60. 	enum mtk_mdp_comp_id	id;
    61. 

  61. };
    62. 

  62. 

  63. int mtk_mdp_comp_init(struct device *dev, struct device_node *node,
    64. 

  64. 		      struct mtk_mdp_comp *comp, enum mtk_mdp_comp_id comp_id);
    65. 

  65. void mtk_mdp_comp_deinit(struct device *dev, struct mtk_mdp_comp *comp);
    66. 

  66. int mtk_mdp_comp_get_id(struct device *dev, struct device_node *node,
    67. 

  67. 			enum mtk_mdp_comp_type comp_type);
    68. 

  68. void mtk_mdp_comp_clock_on(struct device *dev, struct mtk_mdp_comp *comp);
    69. 

  69. void mtk_mdp_comp_clock_off(struct device *dev, struct mtk_mdp_comp *comp);
    70. 

  70. 

  71. 

  72. #endif /* __MTK_MDP_COMP_H__ */
    73.