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-rw-r--r--include/media/drv-intf/exynos-fimc.h161
1 files changed, 161 insertions, 0 deletions
diff --git a/include/media/drv-intf/exynos-fimc.h b/include/media/drv-intf/exynos-fimc.h
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index 000000000000..69bcd2a07d5c
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+++ b/include/media/drv-intf/exynos-fimc.h
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+/*
+ * 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_ */