/* SPDX-License-Identifier: GPL-2.0+ */ /* * V4L2 Media Controller Driver for Freescale i.MX5/6 SOC * * Copyright (c) 2016 Mentor Graphics Inc. */ #ifndef _IMX_MEDIA_H #define _IMX_MEDIA_H #include <linux/platform_device.h> #include <media/v4l2-ctrls.h> #include <media/v4l2-device.h> #include <media/v4l2-fwnode.h> #include <media/v4l2-subdev.h> #include <media/videobuf2-dma-contig.h> #include <video/imx-ipu-v3.h> #define IMX_MEDIA_DEF_PIX_WIDTH … #define IMX_MEDIA_DEF_PIX_HEIGHT … /* * Enumeration of the IPU internal sub-devices */ enum { … }; /* * Pad definitions for the subdevs with multiple source or * sink pads */ /* ipu_csi */ enum { … }; /* ipu_vdic */ enum { … }; /* ipu_ic_prp */ enum { … }; /* ipu_ic_prpencvf */ enum { … }; /* How long to wait for EOF interrupts in the buffer-capture subdevs */ #define IMX_MEDIA_EOF_TIMEOUT … struct imx_media_pixfmt { … }; enum imx_pixfmt_sel { … }; struct imx_media_buffer { … }; struct imx_media_video_dev { … }; static inline struct imx_media_buffer *to_imx_media_vb(struct vb2_buffer *vb) { … } /* * to support control inheritance to video devices, this * retrieves a pad's list_head of video devices that can * be reached from the pad. Note that only the lists in * source pads get populated, sink pads have empty lists. */ static inline struct list_head * to_pad_vdev_list(struct v4l2_subdev *sd, int pad_index) { … } /* an entry in a pad's video device list */ struct imx_media_pad_vdev { … }; struct imx_media_dev { … }; /* imx-media-utils.c */ const struct imx_media_pixfmt * imx_media_find_pixel_format(u32 fourcc, enum imx_pixfmt_sel sel); int imx_media_enum_pixel_formats(u32 *fourcc, u32 index, enum imx_pixfmt_sel sel, u32 code); const struct imx_media_pixfmt * imx_media_find_mbus_format(u32 code, enum imx_pixfmt_sel sel); int imx_media_enum_mbus_formats(u32 *code, u32 index, enum imx_pixfmt_sel sel); static inline const struct imx_media_pixfmt * imx_media_find_ipu_format(u32 code, enum imx_pixfmt_sel fmt_sel) { … } static inline int imx_media_enum_ipu_formats(u32 *code, u32 index, enum imx_pixfmt_sel fmt_sel) { … } int imx_media_init_mbus_fmt(struct v4l2_mbus_framefmt *mbus, u32 width, u32 height, u32 code, u32 field, const struct imx_media_pixfmt **cc); int imx_media_init_state(struct v4l2_subdev *sd, struct v4l2_subdev_state *sd_state); void imx_media_try_colorimetry(struct v4l2_mbus_framefmt *tryfmt, bool ic_route); int imx_media_mbus_fmt_to_pix_fmt(struct v4l2_pix_format *pix, const struct v4l2_mbus_framefmt *mbus, const struct imx_media_pixfmt *cc); void imx_media_grp_id_to_sd_name(char *sd_name, int sz, u32 grp_id, int ipu_id); void imx_media_add_video_device(struct imx_media_dev *imxmd, struct imx_media_video_dev *vdev); struct media_pad * imx_media_pipeline_pad(struct media_entity *start_entity, u32 grp_id, enum v4l2_buf_type buftype, bool upstream); struct v4l2_subdev * imx_media_pipeline_subdev(struct media_entity *start_entity, u32 grp_id, bool upstream); struct imx_media_dma_buf { … }; void imx_media_free_dma_buf(struct device *dev, struct imx_media_dma_buf *buf); int imx_media_alloc_dma_buf(struct device *dev, struct imx_media_dma_buf *buf, int size); int imx_media_pipeline_set_stream(struct imx_media_dev *imxmd, struct media_entity *entity, bool on); /* imx-media-dev-common.c */ int imx_media_probe_complete(struct v4l2_async_notifier *notifier); struct imx_media_dev *imx_media_dev_init(struct device *dev, const struct media_device_ops *ops); int imx_media_dev_notifier_register(struct imx_media_dev *imxmd, const struct v4l2_async_notifier_operations *ops); /* imx-media-fim.c */ struct imx_media_fim; void imx_media_fim_eof_monitor(struct imx_media_fim *fim, ktime_t timestamp); void imx_media_fim_set_stream(struct imx_media_fim *fim, const struct v4l2_fract *frame_interval, bool on); int imx_media_fim_add_controls(struct imx_media_fim *fim); struct imx_media_fim *imx_media_fim_init(struct v4l2_subdev *sd); void imx_media_fim_free(struct imx_media_fim *fim); /* imx-media-internal-sd.c */ int imx_media_register_ipu_internal_subdevs(struct imx_media_dev *imxmd, struct v4l2_subdev *csi); void imx_media_unregister_ipu_internal_subdevs(struct imx_media_dev *imxmd); /* imx-media-of.c */ int imx_media_add_of_subdevs(struct imx_media_dev *dev, struct device_node *np); /* imx-media-vdic.c */ struct v4l2_subdev *imx_media_vdic_register(struct v4l2_device *v4l2_dev, struct device *ipu_dev, struct ipu_soc *ipu, u32 grp_id); int imx_media_vdic_unregister(struct v4l2_subdev *sd); /* imx-ic-common.c */ struct v4l2_subdev *imx_media_ic_register(struct v4l2_device *v4l2_dev, struct device *ipu_dev, struct ipu_soc *ipu, u32 grp_id); int imx_media_ic_unregister(struct v4l2_subdev *sd); /* imx-media-capture.c */ struct imx_media_video_dev * imx_media_capture_device_init(struct device *dev, struct v4l2_subdev *src_sd, int pad, bool legacy_api); void imx_media_capture_device_remove(struct imx_media_video_dev *vdev); int imx_media_capture_device_register(struct imx_media_video_dev *vdev, u32 link_flags); void imx_media_capture_device_unregister(struct imx_media_video_dev *vdev); struct imx_media_buffer * imx_media_capture_device_next_buf(struct imx_media_video_dev *vdev); void imx_media_capture_device_error(struct imx_media_video_dev *vdev); /* imx-media-csc-scaler.c */ struct imx_media_video_dev * imx_media_csc_scaler_device_init(struct imx_media_dev *dev); int imx_media_csc_scaler_device_register(struct imx_media_video_dev *vdev); void imx_media_csc_scaler_device_unregister(struct imx_media_video_dev *vdev); /* subdev group ids */ #define IMX_MEDIA_GRP_ID_CSI2 … #define IMX_MEDIA_GRP_ID_IPU_CSI_BIT … #define IMX_MEDIA_GRP_ID_IPU_CSI … #define IMX_MEDIA_GRP_ID_IPU_CSI0 … #define IMX_MEDIA_GRP_ID_IPU_CSI1 … #define IMX_MEDIA_GRP_ID_IPU_VDIC … #define IMX_MEDIA_GRP_ID_IPU_IC_PRP … #define IMX_MEDIA_GRP_ID_IPU_IC_PRPENC … #define IMX_MEDIA_GRP_ID_IPU_IC_PRPVF … #define IMX_MEDIA_GRP_ID_CSI_MUX … #endif
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