162 lines
4.7 KiB
C
162 lines
4.7 KiB
C
/*
|
|
* 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-dev.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 fimc_source_info - video source description required for the host
|
|
* interface configuration
|
|
*
|
|
* @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_*)
|
|
* @mux_id: FIMC camera interface multiplexer index (separate for MIPI and ITU)
|
|
*/
|
|
struct fimc_source_info {
|
|
enum fimc_bus_type fimc_bus_type;
|
|
enum fimc_bus_type sensor_bus_type;
|
|
u16 flags;
|
|
u16 mux_id;
|
|
};
|
|
|
|
/*
|
|
* 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
|
|
* @colorspace: v4l2 colorspace (V4L2_COLORSPACE_*)
|
|
* @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 {
|
|
u32 mbus_code;
|
|
char *name;
|
|
u32 fourcc;
|
|
u32 color;
|
|
u16 memplanes;
|
|
u16 colplanes;
|
|
u8 colorspace;
|
|
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)
|
|
};
|
|
|
|
struct exynos_media_pipeline;
|
|
|
|
/*
|
|
* Media pipeline operations to be called from within a video node, i.e. the
|
|
* last entity within the pipeline. Implemented by related media device driver.
|
|
*/
|
|
struct exynos_media_pipeline_ops {
|
|
int (*prepare)(struct exynos_media_pipeline *p,
|
|
struct media_entity *me);
|
|
int (*unprepare)(struct exynos_media_pipeline *p);
|
|
int (*open)(struct exynos_media_pipeline *p, struct media_entity *me,
|
|
bool resume);
|
|
int (*close)(struct exynos_media_pipeline *p);
|
|
int (*set_stream)(struct exynos_media_pipeline *p, bool state);
|
|
};
|
|
|
|
struct exynos_video_entity {
|
|
struct video_device vdev;
|
|
struct exynos_media_pipeline *pipe;
|
|
};
|
|
|
|
struct exynos_media_pipeline {
|
|
struct media_pipeline mp;
|
|
const struct exynos_media_pipeline_ops *ops;
|
|
};
|
|
|
|
static inline struct exynos_video_entity *vdev_to_exynos_video_entity(
|
|
struct video_device *vdev)
|
|
{
|
|
return container_of(vdev, struct exynos_video_entity, vdev);
|
|
}
|
|
|
|
#define fimc_pipeline_call(ent, op, args...) \
|
|
(!(ent) ? -ENOENT : (((ent)->pipe->ops && (ent)->pipe->ops->op) ? \
|
|
(ent)->pipe->ops->op(((ent)->pipe), ##args) : -ENOIOCTLCMD)) \
|
|
|
|
#endif /* S5P_FIMC_H_ */
|