drivers/media/pci/intel/ipu6/ipu6-isys-subdev.h

   1 /* SPDX-License-Identifier: GPL-2.0-only */
   2 /* Copyright (C) 2013--2024 Intel Corporation */
   3
   4 #ifndef IPU6_ISYS_SUBDEV_H
   5 #define IPU6_ISYS_SUBDEV_H
   6
   7 #include <linux/container_of.h>
   8
   9 #include <media/media-entity.h>
  10 #include <media/v4l2-ctrls.h>
  11 #include <media/v4l2-subdev.h>
  12
  13 struct ipu6_isys;
  14
  15 struct ipu6_isys_subdev {
  16         struct v4l2_subdev sd;
  17         struct ipu6_isys *isys;
  18         u32 const *supported_codes;
  19         struct media_pad *pad;
  20         struct v4l2_ctrl_handler ctrl_handler;
  21         void (*ctrl_init)(struct v4l2_subdev *sd);
  22         int source;     /* SSI stream source; -1 if unset */
  23 };
  24
  25 #define to_ipu6_isys_subdev(__sd) \
  26         container_of(__sd, struct ipu6_isys_subdev, sd)
  27
  28 unsigned int ipu6_isys_mbus_code_to_bpp(u32 code);
  29 unsigned int ipu6_isys_mbus_code_to_mipi(u32 code);
  30 bool ipu6_isys_is_bayer_format(u32 code);
  31 u32 ipu6_isys_convert_bayer_order(u32 code, int x, int y);
  32
  33 int ipu6_isys_subdev_set_fmt(struct v4l2_subdev *sd,
  34                              struct v4l2_subdev_state *state,
  35                              struct v4l2_subdev_format *fmt);
  36 int ipu6_isys_subdev_enum_mbus_code(struct v4l2_subdev *sd,
  37                                     struct v4l2_subdev_state *state,
  38                                     struct v4l2_subdev_mbus_code_enum
  39                                     *code);
  40 int ipu6_isys_subdev_link_validate(struct v4l2_subdev *sd,
  41                                    struct media_link *link,
  42                                    struct v4l2_subdev_format *source_fmt,
  43                                    struct v4l2_subdev_format *sink_fmt);
  44 u32 ipu6_isys_get_src_stream_by_src_pad(struct v4l2_subdev *sd, u32 pad);
  45 int ipu6_isys_get_stream_pad_fmt(struct v4l2_subdev *sd, u32 pad, u32 stream,
  46                                  struct v4l2_mbus_framefmt *format);
  47 int ipu6_isys_get_stream_pad_crop(struct v4l2_subdev *sd, u32 pad, u32 stream,
  48                                   struct v4l2_rect *crop);
  49 int ipu6_isys_subdev_set_routing(struct v4l2_subdev *sd,
  50                                  struct v4l2_subdev_state *state,
  51                                  enum v4l2_subdev_format_whence which,
  52                                  struct v4l2_subdev_krouting *routing);
  53 int ipu6_isys_subdev_init(struct ipu6_isys_subdev *asd,
  54                           const struct v4l2_subdev_ops *ops,
  55                           unsigned int nr_ctrls,
  56                           unsigned int num_sink_pads,
  57                           unsigned int num_source_pads);
  58 void ipu6_isys_subdev_cleanup(struct ipu6_isys_subdev *asd);
  59 #endif /* IPU6_ISYS_SUBDEV_H */