2 * Samsung S5P/Exynos4 SoC series camera interface driver header
4 * Copyright (C) 2010 - 2013 Samsung Electronics Co., Ltd.
5 * Sylwester Nawrocki <s.nawrocki@samsung.com>
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.
15 #include <media/media-entity.h>
18 * Enumeration of data inputs to the camera subsystem.
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,
31 * Enumeration of the FIMC data bus types.
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,
48 #define fimc_input_is_parallel(x) ((x) == 1 || (x) == 2)
49 #define fimc_input_is_mipi_csi(x) ((x) == 3 || (x) == 4)
51 struct i2c_board_info;
54 * struct fimc_source_info - video source description required for the host
55 * interface configuration
57 * @board_info: pointer to I2C subdevice's board info
58 * @clk_frequency: frequency of the clock the host interface provides to sensor
59 * @fimc_bus_type: FIMC camera input type
60 * @sensor_bus_type: image sensor bus type, MIPI, ITU-R BT.601 etc.
61 * @flags: the parallel sensor bus flags defining signals polarity (V4L2_MBUS_*)
62 * @i2c_bus_num: i2c control bus id the sensor is attached to
63 * @mux_id: FIMC camera interface multiplexer index (separate for MIPI and ITU)
64 * @clk_id: index of the SoC peripheral clock for sensors
66 struct fimc_source_info {
67 struct i2c_board_info *board_info;
68 unsigned long clk_frequency;
69 enum fimc_bus_type fimc_bus_type;
70 enum fimc_bus_type sensor_bus_type;
78 * struct s5p_platform_fimc - camera host interface platform data
80 * @source_info: properties of an image source for the host interface setup
81 * @num_clients: the number of attached image sources
83 struct s5p_platform_fimc {
84 struct fimc_source_info *source_info;
89 * v4l2_device notification id. This is only for internal use in the kernel.
90 * Sensor subdevs should issue S5P_FIMC_TX_END_NOTIFY notification in single
91 * frame capture mode when there is only one VSYNC pulse issued by the sensor
92 * at begining of the frame transmission.
94 #define S5P_FIMC_TX_END_NOTIFY _IO('e', 0)
96 enum fimc_subdev_index {
105 struct media_pipeline;
108 struct fimc_pipeline {
109 struct v4l2_subdev *subdevs[IDX_MAX];
110 struct media_pipeline *m_pipeline;
114 * Media pipeline operations to be called from within the fimc(-lite)
115 * video node when it is the last entity of the pipeline. Implemented
116 * by corresponding media device driver.
118 struct fimc_pipeline_ops {
119 int (*open)(struct fimc_pipeline *p, struct media_entity *me,
121 int (*close)(struct fimc_pipeline *p);
122 int (*set_stream)(struct fimc_pipeline *p, bool state);
125 #define fimc_pipeline_call(f, op, p, args...) \
126 (!(f) ? -ENODEV : (((f)->pipeline_ops && (f)->pipeline_ops->op) ? \
127 (f)->pipeline_ops->op((p), ##args) : -ENOIOCTLCMD))
129 #endif /* S5P_FIMC_H_ */