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5f3cc447 | 1 | /* |
56bc911a | 2 | * Samsung S5P/Exynos4 SoC series camera interface driver header |
5f3cc447 | 3 | * |
56bc911a SN |
4 | * Copyright (C) 2010 - 2013 Samsung Electronics Co., Ltd. |
5 | * Sylwester Nawrocki <s.nawrocki@samsung.com> | |
5f3cc447 SN |
6 | * |
7 | * This program is free software; you can redistribute it and/or modify | |
8 | * it under the terms of the GNU General Public License version 2 as | |
9 | * published by the Free Software Foundation. | |
10 | */ | |
11 | ||
df7e09a3 SN |
12 | #ifndef S5P_FIMC_H_ |
13 | #define S5P_FIMC_H_ | |
5f3cc447 | 14 | |
b9ee31e6 SN |
15 | #include <media/media-entity.h> |
16 | ||
02399e35 SN |
17 | /* |
18 | * Enumeration of data inputs to the camera subsystem. | |
19 | */ | |
20 | enum fimc_input { | |
21 | FIMC_INPUT_PARALLEL_0 = 1, | |
22 | FIMC_INPUT_PARALLEL_1, | |
23 | FIMC_INPUT_MIPI_CSI2_0 = 3, | |
24 | FIMC_INPUT_MIPI_CSI2_1, | |
25 | FIMC_INPUT_WRITEBACK_A = 5, | |
26 | FIMC_INPUT_WRITEBACK_B, | |
27 | FIMC_INPUT_WRITEBACK_ISP = 5, | |
28 | }; | |
29 | ||
56bc911a SN |
30 | /* |
31 | * Enumeration of the FIMC data bus types. | |
32 | */ | |
33 | enum fimc_bus_type { | |
34 | /* Camera parallel bus */ | |
35 | FIMC_BUS_TYPE_ITU_601 = 1, | |
36 | /* Camera parallel bus with embedded synchronization */ | |
37 | FIMC_BUS_TYPE_ITU_656, | |
38 | /* Camera MIPI-CSI2 serial bus */ | |
39 | FIMC_BUS_TYPE_MIPI_CSI2, | |
40 | /* FIFO link from LCD controller (WriteBack A) */ | |
41 | FIMC_BUS_TYPE_LCD_WRITEBACK_A, | |
42 | /* FIFO link from LCD controller (WriteBack B) */ | |
43 | FIMC_BUS_TYPE_LCD_WRITEBACK_B, | |
44 | /* FIFO link from FIMC-IS */ | |
45 | FIMC_BUS_TYPE_ISP_WRITEBACK = FIMC_BUS_TYPE_LCD_WRITEBACK_B, | |
5f3cc447 SN |
46 | }; |
47 | ||
5f3cc447 SN |
48 | struct i2c_board_info; |
49 | ||
50 | /** | |
56bc911a SN |
51 | * struct fimc_source_info - video source description required for the host |
52 | * interface configuration | |
5f3cc447 SN |
53 | * |
54 | * @board_info: pointer to I2C subdevice's board info | |
a25be18d | 55 | * @clk_frequency: frequency of the clock the host interface provides to sensor |
56bc911a SN |
56 | * @fimc_bus_type: FIMC camera input type |
57 | * @sensor_bus_type: image sensor bus type, MIPI, ITU-R BT.601 etc. | |
58 | * @flags: the parallel sensor bus flags defining signals polarity (V4L2_MBUS_*) | |
5f3cc447 SN |
59 | * @i2c_bus_num: i2c control bus id the sensor is attached to |
60 | * @mux_id: FIMC camera interface multiplexer index (separate for MIPI and ITU) | |
d3953223 | 61 | * @clk_id: index of the SoC peripheral clock for sensors |
5f3cc447 | 62 | */ |
56bc911a | 63 | struct fimc_source_info { |
5f3cc447 | 64 | struct i2c_board_info *board_info; |
a25be18d | 65 | unsigned long clk_frequency; |
56bc911a SN |
66 | enum fimc_bus_type fimc_bus_type; |
67 | enum fimc_bus_type sensor_bus_type; | |
68 | u16 flags; | |
5f3cc447 SN |
69 | u16 i2c_bus_num; |
70 | u16 mux_id; | |
d3953223 | 71 | u8 clk_id; |
5f3cc447 SN |
72 | }; |
73 | ||
5f3cc447 | 74 | /** |
df7e09a3 | 75 | * struct s5p_platform_fimc - camera host interface platform data |
5f3cc447 | 76 | * |
56bc911a SN |
77 | * @source_info: properties of an image source for the host interface setup |
78 | * @num_clients: the number of attached image sources | |
5f3cc447 | 79 | */ |
df7e09a3 | 80 | struct s5p_platform_fimc { |
56bc911a | 81 | struct fimc_source_info *source_info; |
117182d1 | 82 | int num_clients; |
5f3cc447 | 83 | }; |
e1d72f4d SN |
84 | |
85 | /* | |
86 | * v4l2_device notification id. This is only for internal use in the kernel. | |
87 | * Sensor subdevs should issue S5P_FIMC_TX_END_NOTIFY notification in single | |
88 | * frame capture mode when there is only one VSYNC pulse issued by the sensor | |
89 | * at begining of the frame transmission. | |
90 | */ | |
91 | #define S5P_FIMC_TX_END_NOTIFY _IO('e', 0) | |
92 | ||
0f735f52 SN |
93 | enum fimc_subdev_index { |
94 | IDX_SENSOR, | |
95 | IDX_CSIS, | |
96 | IDX_FLITE, | |
e2985a26 | 97 | IDX_IS_ISP, |
0f735f52 SN |
98 | IDX_FIMC, |
99 | IDX_MAX, | |
100 | }; | |
101 | ||
102 | struct media_pipeline; | |
103 | struct v4l2_subdev; | |
104 | ||
105 | struct fimc_pipeline { | |
106 | struct v4l2_subdev *subdevs[IDX_MAX]; | |
107 | struct media_pipeline *m_pipeline; | |
108 | }; | |
109 | ||
b9ee31e6 SN |
110 | /* |
111 | * Media pipeline operations to be called from within the fimc(-lite) | |
112 | * video node when it is the last entity of the pipeline. Implemented | |
113 | * by corresponding media device driver. | |
114 | */ | |
115 | struct fimc_pipeline_ops { | |
116 | int (*open)(struct fimc_pipeline *p, struct media_entity *me, | |
117 | bool resume); | |
118 | int (*close)(struct fimc_pipeline *p); | |
119 | int (*set_stream)(struct fimc_pipeline *p, bool state); | |
120 | }; | |
121 | ||
122 | #define fimc_pipeline_call(f, op, p, args...) \ | |
123 | (!(f) ? -ENODEV : (((f)->pipeline_ops && (f)->pipeline_ops->op) ? \ | |
124 | (f)->pipeline_ops->op((p), ##args) : -ENOIOCTLCMD)) | |
125 | ||
df7e09a3 | 126 | #endif /* S5P_FIMC_H_ */ |