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f3af9572 LP |
1 | /* |
2 | * vsp1.h -- R-Car VSP1 API | |
3 | * | |
4 | * Copyright (C) 2015 Renesas Electronics Corporation | |
5 | * | |
6 | * Contact: Laurent Pinchart (laurent.pinchart@ideasonboard.com) | |
7 | * | |
8 | * This program is free software; you can redistribute it and/or modify | |
9 | * it under the terms of the GNU General Public License as published by | |
10 | * the Free Software Foundation; either version 2 of the License, or | |
11 | * (at your option) any later version. | |
12 | */ | |
13 | #ifndef __MEDIA_VSP1_H__ | |
14 | #define __MEDIA_VSP1_H__ | |
15 | ||
f5d0f9d6 | 16 | #include <linux/scatterlist.h> |
f3af9572 | 17 | #include <linux/types.h> |
c6b013ab | 18 | #include <linux/videodev2.h> |
f3af9572 LP |
19 | |
20 | struct device; | |
f3af9572 LP |
21 | |
22 | int vsp1_du_init(struct device *dev); | |
23 | ||
8c71fff4 KB |
24 | /** |
25 | * struct vsp1_du_lif_config - VSP LIF configuration | |
26 | * @width: output frame width | |
27 | * @height: output frame height | |
d7ade201 KB |
28 | * @callback: frame completion callback function (optional). When a callback |
29 | * is provided, the VSP driver guarantees that it will be called once | |
30 | * and only once for each vsp1_du_atomic_flush() call. | |
31 | * @callback_data: data to be passed to the frame completion callback | |
8c71fff4 KB |
32 | */ |
33 | struct vsp1_du_lif_config { | |
34 | unsigned int width; | |
35 | unsigned int height; | |
d7ade201 | 36 | |
6e274b43 | 37 | void (*callback)(void *data, bool completed, u32 crc); |
d7ade201 | 38 | void *callback_data; |
8c71fff4 KB |
39 | }; |
40 | ||
cebd8c53 LP |
41 | int vsp1_du_setup_lif(struct device *dev, unsigned int pipe_index, |
42 | const struct vsp1_du_lif_config *cfg); | |
f3af9572 | 43 | |
0d93d5c9 LP |
44 | /** |
45 | * struct vsp1_du_atomic_config - VSP atomic configuration parameters | |
46 | * @pixelformat: plane pixel format (V4L2 4CC) | |
47 | * @pitch: line pitch in bytes, for all planes | |
48 | * @mem: DMA memory address for each plane of the frame buffer | |
49 | * @src: source rectangle in the frame buffer (integer coordinates) | |
50 | * @dst: destination rectangle on the display (integer coordinates) | |
51 | * @alpha: alpha value (0: fully transparent, 255: fully opaque) | |
52 | * @zpos: Z position of the plane (from 0 to number of planes minus 1) | |
53 | */ | |
c6b013ab LP |
54 | struct vsp1_du_atomic_config { |
55 | u32 pixelformat; | |
56 | unsigned int pitch; | |
bffba473 | 57 | dma_addr_t mem[3]; |
c6b013ab LP |
58 | struct v4l2_rect src; |
59 | struct v4l2_rect dst; | |
60 | unsigned int alpha; | |
61 | unsigned int zpos; | |
62 | }; | |
63 | ||
6e274b43 LP |
64 | /** |
65 | * enum vsp1_du_crc_source - Source used for CRC calculation | |
66 | * @VSP1_DU_CRC_NONE: CRC calculation disabled | |
67 | * @VSP1_DU_CRC_PLANE: Perform CRC calculation on an input plane | |
68 | * @VSP1_DU_CRC_OUTPUT: Perform CRC calculation on the composed output | |
69 | */ | |
70 | enum vsp1_du_crc_source { | |
71 | VSP1_DU_CRC_NONE, | |
72 | VSP1_DU_CRC_PLANE, | |
73 | VSP1_DU_CRC_OUTPUT, | |
74 | }; | |
75 | ||
76 | /** | |
77 | * struct vsp1_du_crc_config - VSP CRC computation configuration parameters | |
78 | * @source: source for CRC calculation | |
79 | * @index: index of the CRC source plane (when source is set to plane) | |
80 | */ | |
81 | struct vsp1_du_crc_config { | |
82 | enum vsp1_du_crc_source source; | |
83 | unsigned int index; | |
84 | }; | |
85 | ||
86 | /** | |
87 | * struct vsp1_du_atomic_pipe_config - VSP atomic pipe configuration parameters | |
88 | * @crc: CRC computation configuration | |
89 | */ | |
90 | struct vsp1_du_atomic_pipe_config { | |
91 | struct vsp1_du_crc_config crc; | |
92 | }; | |
93 | ||
cebd8c53 LP |
94 | void vsp1_du_atomic_begin(struct device *dev, unsigned int pipe_index); |
95 | int vsp1_du_atomic_update(struct device *dev, unsigned int pipe_index, | |
96 | unsigned int rpf, | |
c3f34a4b | 97 | const struct vsp1_du_atomic_config *cfg); |
6e274b43 LP |
98 | void vsp1_du_atomic_flush(struct device *dev, unsigned int pipe_index, |
99 | const struct vsp1_du_atomic_pipe_config *cfg); | |
f5d0f9d6 LP |
100 | int vsp1_du_map_sg(struct device *dev, struct sg_table *sgt); |
101 | void vsp1_du_unmap_sg(struct device *dev, struct sg_table *sgt); | |
f3af9572 LP |
102 | |
103 | #endif /* __MEDIA_VSP1_H__ */ |