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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 | ||
56bc911a SN |
17 | /* |
18 | * Enumeration of the FIMC data bus types. | |
19 | */ | |
20 | enum fimc_bus_type { | |
21 | /* Camera parallel bus */ | |
22 | FIMC_BUS_TYPE_ITU_601 = 1, | |
23 | /* Camera parallel bus with embedded synchronization */ | |
24 | FIMC_BUS_TYPE_ITU_656, | |
25 | /* Camera MIPI-CSI2 serial bus */ | |
26 | FIMC_BUS_TYPE_MIPI_CSI2, | |
27 | /* FIFO link from LCD controller (WriteBack A) */ | |
28 | FIMC_BUS_TYPE_LCD_WRITEBACK_A, | |
29 | /* FIFO link from LCD controller (WriteBack B) */ | |
30 | FIMC_BUS_TYPE_LCD_WRITEBACK_B, | |
31 | /* FIFO link from FIMC-IS */ | |
32 | FIMC_BUS_TYPE_ISP_WRITEBACK = FIMC_BUS_TYPE_LCD_WRITEBACK_B, | |
5f3cc447 SN |
33 | }; |
34 | ||
5f3cc447 SN |
35 | struct i2c_board_info; |
36 | ||
37 | /** | |
56bc911a SN |
38 | * struct fimc_source_info - video source description required for the host |
39 | * interface configuration | |
5f3cc447 SN |
40 | * |
41 | * @board_info: pointer to I2C subdevice's board info | |
a25be18d | 42 | * @clk_frequency: frequency of the clock the host interface provides to sensor |
56bc911a SN |
43 | * @fimc_bus_type: FIMC camera input type |
44 | * @sensor_bus_type: image sensor bus type, MIPI, ITU-R BT.601 etc. | |
45 | * @flags: the parallel sensor bus flags defining signals polarity (V4L2_MBUS_*) | |
5f3cc447 SN |
46 | * @i2c_bus_num: i2c control bus id the sensor is attached to |
47 | * @mux_id: FIMC camera interface multiplexer index (separate for MIPI and ITU) | |
d3953223 | 48 | * @clk_id: index of the SoC peripheral clock for sensors |
5f3cc447 | 49 | */ |
56bc911a | 50 | struct fimc_source_info { |
5f3cc447 | 51 | struct i2c_board_info *board_info; |
a25be18d | 52 | unsigned long clk_frequency; |
56bc911a SN |
53 | enum fimc_bus_type fimc_bus_type; |
54 | enum fimc_bus_type sensor_bus_type; | |
55 | u16 flags; | |
5f3cc447 SN |
56 | u16 i2c_bus_num; |
57 | u16 mux_id; | |
d3953223 | 58 | u8 clk_id; |
5f3cc447 SN |
59 | }; |
60 | ||
5f3cc447 | 61 | /** |
df7e09a3 | 62 | * struct s5p_platform_fimc - camera host interface platform data |
5f3cc447 | 63 | * |
56bc911a SN |
64 | * @source_info: properties of an image source for the host interface setup |
65 | * @num_clients: the number of attached image sources | |
5f3cc447 | 66 | */ |
df7e09a3 | 67 | struct s5p_platform_fimc { |
56bc911a | 68 | struct fimc_source_info *source_info; |
117182d1 | 69 | int num_clients; |
5f3cc447 | 70 | }; |
e1d72f4d SN |
71 | |
72 | /* | |
73 | * v4l2_device notification id. This is only for internal use in the kernel. | |
74 | * Sensor subdevs should issue S5P_FIMC_TX_END_NOTIFY notification in single | |
75 | * frame capture mode when there is only one VSYNC pulse issued by the sensor | |
76 | * at begining of the frame transmission. | |
77 | */ | |
78 | #define S5P_FIMC_TX_END_NOTIFY _IO('e', 0) | |
79 | ||
0f735f52 SN |
80 | enum fimc_subdev_index { |
81 | IDX_SENSOR, | |
82 | IDX_CSIS, | |
83 | IDX_FLITE, | |
84 | IDX_FIMC, | |
85 | IDX_MAX, | |
86 | }; | |
87 | ||
88 | struct media_pipeline; | |
89 | struct v4l2_subdev; | |
90 | ||
91 | struct fimc_pipeline { | |
92 | struct v4l2_subdev *subdevs[IDX_MAX]; | |
93 | struct media_pipeline *m_pipeline; | |
94 | }; | |
95 | ||
b9ee31e6 SN |
96 | /* |
97 | * Media pipeline operations to be called from within the fimc(-lite) | |
98 | * video node when it is the last entity of the pipeline. Implemented | |
99 | * by corresponding media device driver. | |
100 | */ | |
101 | struct fimc_pipeline_ops { | |
102 | int (*open)(struct fimc_pipeline *p, struct media_entity *me, | |
103 | bool resume); | |
104 | int (*close)(struct fimc_pipeline *p); | |
105 | int (*set_stream)(struct fimc_pipeline *p, bool state); | |
106 | }; | |
107 | ||
108 | #define fimc_pipeline_call(f, op, p, args...) \ | |
109 | (!(f) ? -ENODEV : (((f)->pipeline_ops && (f)->pipeline_ops->op) ? \ | |
110 | (f)->pipeline_ops->op((p), ##args) : -ENOIOCTLCMD)) | |
111 | ||
df7e09a3 | 112 | #endif /* S5P_FIMC_H_ */ |