Edit File: s5p_fimc.h
/* * Samsung S5P/Exynos4 SoC series camera interface driver header * * Copyright (C) 2010 - 2013 Samsung Electronics Co., Ltd. * Sylwester Nawrocki <s.nawrocki@samsung.com> * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License version 2 as * published by the Free Software Foundation. */ #ifndef S5P_FIMC_H_ #define S5P_FIMC_H_ #include <media/media-entity.h> #include <media/v4l2-mediabus.h> /* * Enumeration of data inputs to the camera subsystem. */ enum fimc_input { FIMC_INPUT_PARALLEL_0 = 1, FIMC_INPUT_PARALLEL_1, FIMC_INPUT_MIPI_CSI2_0 = 3, FIMC_INPUT_MIPI_CSI2_1, FIMC_INPUT_WRITEBACK_A = 5, FIMC_INPUT_WRITEBACK_B, FIMC_INPUT_WRITEBACK_ISP = 5, }; /* * Enumeration of the FIMC data bus types. */ enum fimc_bus_type { /* Camera parallel bus */ FIMC_BUS_TYPE_ITU_601 = 1, /* Camera parallel bus with embedded synchronization */ FIMC_BUS_TYPE_ITU_656, /* Camera MIPI-CSI2 serial bus */ FIMC_BUS_TYPE_MIPI_CSI2, /* FIFO link from LCD controller (WriteBack A) */ FIMC_BUS_TYPE_LCD_WRITEBACK_A, /* FIFO link from LCD controller (WriteBack B) */ FIMC_BUS_TYPE_LCD_WRITEBACK_B, /* FIFO link from FIMC-IS */ FIMC_BUS_TYPE_ISP_WRITEBACK = FIMC_BUS_TYPE_LCD_WRITEBACK_B, }; #define fimc_input_is_parallel(x) ((x) == 1 || (x) == 2) #define fimc_input_is_mipi_csi(x) ((x) == 3 || (x) == 4) /* * The subdevices' group IDs. */ #define GRP_ID_SENSOR (1 << 8) #define GRP_ID_FIMC_IS_SENSOR (1 << 9) #define GRP_ID_WRITEBACK (1 << 10) #define GRP_ID_CSIS (1 << 11) #define GRP_ID_FIMC (1 << 12) #define GRP_ID_FLITE (1 << 13) #define GRP_ID_FIMC_IS (1 << 14) struct i2c_board_info; /** * struct fimc_source_info - video source description required for the host * interface configuration * * @board_info: pointer to I2C subdevice's board info * @clk_frequency: frequency of the clock the host interface provides to sensor * @fimc_bus_type: FIMC camera input type * @sensor_bus_type: image sensor bus type, MIPI, ITU-R BT.601 etc. * @flags: the parallel sensor bus flags defining signals polarity (V4L2_MBUS_*) * @i2c_bus_num: i2c control bus id the sensor is attached to * @mux_id: FIMC camera interface multiplexer index (separate for MIPI and ITU) * @clk_id: index of the SoC peripheral clock for sensors */ struct fimc_source_info { struct i2c_board_info *board_info; unsigned long clk_frequency; enum fimc_bus_type fimc_bus_type; enum fimc_bus_type sensor_bus_type; u16 flags; u16 i2c_bus_num; u16 mux_id; u8 clk_id; }; /** * struct s5p_platform_fimc - camera host interface platform data * * @source_info: properties of an image source for the host interface setup * @num_clients: the number of attached image sources */ struct s5p_platform_fimc { struct fimc_source_info *source_info; int num_clients; }; /* * v4l2_device notification id. This is only for internal use in the kernel. * Sensor subdevs should issue S5P_FIMC_TX_END_NOTIFY notification in single * frame capture mode when there is only one VSYNC pulse issued by the sensor * at begining of the frame transmission. */ #define S5P_FIMC_TX_END_NOTIFY _IO('e', 0) #define FIMC_MAX_PLANES 3 /** * struct fimc_fmt - color format data structure * @mbus_code: media bus pixel code, -1 if not applicable * @name: format description * @fourcc: fourcc code for this format, 0 if not applicable * @color: the driver's private color format id * @memplanes: number of physically non-contiguous data planes * @colplanes: number of physically contiguous data planes * @depth: per plane driver's private 'number of bits per pixel' * @mdataplanes: bitmask indicating meta data plane(s), (1 << plane_no) * @flags: flags indicating which operation mode format applies to */ struct fimc_fmt { enum v4l2_mbus_pixelcode mbus_code; char *name; u32 fourcc; u32 color; u16 memplanes; u16 colplanes; u8 depth[FIMC_MAX_PLANES]; u16 mdataplanes; u16 flags; #define FMT_FLAGS_CAM (1 << 0) #define FMT_FLAGS_M2M_IN (1 << 1) #define FMT_FLAGS_M2M_OUT (1 << 2) #define FMT_FLAGS_M2M (1 << 1 | 1 << 2) #define FMT_HAS_ALPHA (1 << 3) #define FMT_FLAGS_COMPRESSED (1 << 4) #define FMT_FLAGS_WRITEBACK (1 << 5) #define FMT_FLAGS_RAW_BAYER (1 << 6) #define FMT_FLAGS_YUV (1 << 7) }; enum fimc_subdev_index { IDX_SENSOR, IDX_CSIS, IDX_FLITE, IDX_IS_ISP, IDX_FIMC, IDX_MAX, }; struct media_pipeline; struct v4l2_subdev; struct fimc_pipeline { struct v4l2_subdev *subdevs[IDX_MAX]; struct media_pipeline *m_pipeline; }; /* * Media pipeline operations to be called from within the fimc(-lite) * video node when it is the last entity of the pipeline. Implemented * by corresponding media device driver. */ struct fimc_pipeline_ops { int (*open)(struct fimc_pipeline *p, struct media_entity *me, bool resume); int (*close)(struct fimc_pipeline *p); int (*set_stream)(struct fimc_pipeline *p, bool state); }; #define fimc_pipeline_call(f, op, p, args...) \ (!(f) ? -ENODEV : (((f)->pipeline_ops && (f)->pipeline_ops->op) ? \ (f)->pipeline_ops->op((p), ##args) : -ENOIOCTLCMD)) #endif /* S5P_FIMC_H_ */