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5f628053 | 1 | /* SPDX-License-Identifier: GPL-2.0+ */ |
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2 | /* |
3 | * vsp1.h -- R-Car VSP1 API | |
4 | * | |
5 | * Copyright (C) 2015 Renesas Electronics Corporation | |
6 | * | |
7 | * Contact: Laurent Pinchart (laurent.pinchart@ideasonboard.com) | |
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8 | */ |
9 | #ifndef __MEDIA_VSP1_H__ | |
10 | #define __MEDIA_VSP1_H__ | |
11 | ||
f5d0f9d6 | 12 | #include <linux/scatterlist.h> |
f3af9572 | 13 | #include <linux/types.h> |
c6b013ab | 14 | #include <linux/videodev2.h> |
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15 | |
16 | struct device; | |
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17 | |
18 | int vsp1_du_init(struct device *dev); | |
19 | ||
09e513e3 | 20 | #define VSP1_DU_STATUS_COMPLETE BIT(0) |
a63722ae | 21 | #define VSP1_DU_STATUS_WRITEBACK BIT(1) |
09e513e3 | 22 | |
8c71fff4 KB |
23 | /** |
24 | * struct vsp1_du_lif_config - VSP LIF configuration | |
25 | * @width: output frame width | |
26 | * @height: output frame height | |
e90561d4 | 27 | * @interlaced: true for interlaced pipelines |
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; | |
e90561d4 | 36 | bool interlaced; |
d7ade201 | 37 | |
09e513e3 | 38 | void (*callback)(void *data, unsigned int status, u32 crc); |
d7ade201 | 39 | void *callback_data; |
8c71fff4 KB |
40 | }; |
41 | ||
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42 | int vsp1_du_setup_lif(struct device *dev, unsigned int pipe_index, |
43 | const struct vsp1_du_lif_config *cfg); | |
f3af9572 | 44 | |
0d93d5c9 LP |
45 | /** |
46 | * struct vsp1_du_atomic_config - VSP atomic configuration parameters | |
47 | * @pixelformat: plane pixel format (V4L2 4CC) | |
9b2798d5 | 48 | * @pitch: line pitch in bytes for the first plane |
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49 | * @mem: DMA memory address for each plane of the frame buffer |
50 | * @src: source rectangle in the frame buffer (integer coordinates) | |
51 | * @dst: destination rectangle on the display (integer coordinates) | |
52 | * @alpha: alpha value (0: fully transparent, 255: fully opaque) | |
53 | * @zpos: Z position of the plane (from 0 to number of planes minus 1) | |
0efb6fd3 | 54 | * @premult: true for premultiplied alpha |
0d93d5c9 | 55 | */ |
c6b013ab LP |
56 | struct vsp1_du_atomic_config { |
57 | u32 pixelformat; | |
58 | unsigned int pitch; | |
bffba473 | 59 | dma_addr_t mem[3]; |
c6b013ab LP |
60 | struct v4l2_rect src; |
61 | struct v4l2_rect dst; | |
62 | unsigned int alpha; | |
63 | unsigned int zpos; | |
0efb6fd3 | 64 | bool premult; |
c6b013ab LP |
65 | }; |
66 | ||
6e274b43 LP |
67 | /** |
68 | * enum vsp1_du_crc_source - Source used for CRC calculation | |
69 | * @VSP1_DU_CRC_NONE: CRC calculation disabled | |
70 | * @VSP1_DU_CRC_PLANE: Perform CRC calculation on an input plane | |
71 | * @VSP1_DU_CRC_OUTPUT: Perform CRC calculation on the composed output | |
72 | */ | |
73 | enum vsp1_du_crc_source { | |
74 | VSP1_DU_CRC_NONE, | |
75 | VSP1_DU_CRC_PLANE, | |
76 | VSP1_DU_CRC_OUTPUT, | |
77 | }; | |
78 | ||
79 | /** | |
80 | * struct vsp1_du_crc_config - VSP CRC computation configuration parameters | |
81 | * @source: source for CRC calculation | |
82 | * @index: index of the CRC source plane (when source is set to plane) | |
83 | */ | |
84 | struct vsp1_du_crc_config { | |
85 | enum vsp1_du_crc_source source; | |
86 | unsigned int index; | |
87 | }; | |
88 | ||
a63722ae LP |
89 | /** |
90 | * struct vsp1_du_writeback_config - VSP writeback configuration parameters | |
91 | * @pixelformat: plane pixel format (V4L2 4CC) | |
92 | * @pitch: line pitch in bytes for the first plane | |
93 | * @mem: DMA memory address for each plane of the frame buffer | |
94 | */ | |
95 | struct vsp1_du_writeback_config { | |
96 | u32 pixelformat; | |
97 | unsigned int pitch; | |
98 | dma_addr_t mem[3]; | |
99 | }; | |
100 | ||
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101 | /** |
102 | * struct vsp1_du_atomic_pipe_config - VSP atomic pipe configuration parameters | |
103 | * @crc: CRC computation configuration | |
a63722ae | 104 | * @writeback: writeback configuration |
6e274b43 LP |
105 | */ |
106 | struct vsp1_du_atomic_pipe_config { | |
107 | struct vsp1_du_crc_config crc; | |
a63722ae | 108 | struct vsp1_du_writeback_config writeback; |
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109 | }; |
110 | ||
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111 | void vsp1_du_atomic_begin(struct device *dev, unsigned int pipe_index); |
112 | int vsp1_du_atomic_update(struct device *dev, unsigned int pipe_index, | |
113 | unsigned int rpf, | |
c3f34a4b | 114 | const struct vsp1_du_atomic_config *cfg); |
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115 | void vsp1_du_atomic_flush(struct device *dev, unsigned int pipe_index, |
116 | const struct vsp1_du_atomic_pipe_config *cfg); | |
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117 | int vsp1_du_map_sg(struct device *dev, struct sg_table *sgt); |
118 | void vsp1_du_unmap_sg(struct device *dev, struct sg_table *sgt); | |
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119 | |
120 | #endif /* __MEDIA_VSP1_H__ */ |