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

   1 /* SPDX-License-Identifier: GPL-2.0 */
   2 /* Copyright (C) 2013 - 2020 Intel Corporation */
   3
   4 #ifndef IPU_ISYS_SUBDEV_H
   5 #define IPU_ISYS_SUBDEV_H
   6
   7 #include <linux/mutex.h>
   8
   9 #include <media/media-entity.h>
  10 #include <media/v4l2-device.h>
  11 #include <media/v4l2-ctrls.h>
  12
  13 #include "ipu-isys-queue.h"
  14
  15 #define IPU_ISYS_MIPI_CSI2_TYPE_NULL    0x10
  16 #define IPU_ISYS_MIPI_CSI2_TYPE_BLANKING        0x11
  17 #define IPU_ISYS_MIPI_CSI2_TYPE_EMBEDDED8       0x12
  18 #define IPU_ISYS_MIPI_CSI2_TYPE_YUV422_8        0x1e
  19 #define IPU_ISYS_MIPI_CSI2_TYPE_YUV422_10       0x1f
  20 #define IPU_ISYS_MIPI_CSI2_TYPE_RGB565  0x22
  21 #define IPU_ISYS_MIPI_CSI2_TYPE_RGB888  0x24
  22 #define IPU_ISYS_MIPI_CSI2_TYPE_RAW6    0x28
  23 #define IPU_ISYS_MIPI_CSI2_TYPE_RAW7    0x29
  24 #define IPU_ISYS_MIPI_CSI2_TYPE_RAW8    0x2a
  25 #define IPU_ISYS_MIPI_CSI2_TYPE_RAW10   0x2b
  26 #define IPU_ISYS_MIPI_CSI2_TYPE_RAW12   0x2c
  27 #define IPU_ISYS_MIPI_CSI2_TYPE_RAW14   0x2d
  28 /* 1-8 */
  29 #define IPU_ISYS_MIPI_CSI2_TYPE_USER_DEF(i)     (0x30 + (i) - 1)
  30
  31 #define FMT_ENTRY (struct ipu_isys_fmt_entry [])
  32
  33 enum isys_subdev_prop_tgt {
  34         IPU_ISYS_SUBDEV_PROP_TGT_SINK_FMT,
  35         IPU_ISYS_SUBDEV_PROP_TGT_SINK_CROP,
  36         IPU_ISYS_SUBDEV_PROP_TGT_SINK_COMPOSE,
  37         IPU_ISYS_SUBDEV_PROP_TGT_SOURCE_COMPOSE,
  38         IPU_ISYS_SUBDEV_PROP_TGT_SOURCE_CROP,
  39 };
  40
  41 #define IPU_ISYS_SUBDEV_PROP_TGT_NR_OF \
  42         (IPU_ISYS_SUBDEV_PROP_TGT_SOURCE_CROP + 1)
  43
  44 enum ipu_isl_mode {
  45         IPU_ISL_OFF = 0,        /* SOC BE */
  46         IPU_ISL_CSI2_BE,        /* RAW BE */
  47 };
  48
  49 enum ipu_be_mode {
  50         IPU_BE_RAW = 0,
  51         IPU_BE_SOC
  52 };
  53
  54 enum ipu_isys_subdev_pixelorder {
  55         IPU_ISYS_SUBDEV_PIXELORDER_BGGR = 0,
  56         IPU_ISYS_SUBDEV_PIXELORDER_GBRG,
  57         IPU_ISYS_SUBDEV_PIXELORDER_GRBG,
  58         IPU_ISYS_SUBDEV_PIXELORDER_RGGB,
  59 };
  60
  61 struct ipu_isys;
  62
  63 struct ipu_isys_subdev {
  64         /* Serialise access to any other field in the struct */
  65         struct mutex mutex;
  66         struct v4l2_subdev sd;
  67         struct ipu_isys *isys;
  68         u32 const *const *supported_codes;
  69         struct media_pad *pad;
  70         struct v4l2_mbus_framefmt *ffmt;
  71         struct v4l2_rect *crop;
  72         struct v4l2_rect *compose;
  73         unsigned int nsinks;
  74         unsigned int nsources;
  75         struct v4l2_ctrl_handler ctrl_handler;
  76         void (*ctrl_init)(struct v4l2_subdev *sd);
  77         void (*set_ffmt)(struct v4l2_subdev *sd,
  78                          struct v4l2_subdev_pad_config *cfg,
  79                          struct v4l2_subdev_format *fmt);
  80         struct {
  81                 bool crop;
  82                 bool compose;
  83         } *valid_tgts;
  84         enum ipu_isl_mode isl_mode;
  85         enum ipu_be_mode be_mode;
  86         int source;     /* SSI stream source; -1 if unset */
  87 };
  88
  89 #define to_ipu_isys_subdev(__sd) \
  90         container_of(__sd, struct ipu_isys_subdev, sd)
  91
  92 struct v4l2_mbus_framefmt *__ipu_isys_get_ffmt(struct v4l2_subdev *sd,
  93                                                struct v4l2_subdev_pad_config
  94                                                *cfg,
  95                                                unsigned int pad,
  96                                                unsigned int which);
  97
  98 unsigned int ipu_isys_mbus_code_to_bpp(u32 code);
  99 unsigned int ipu_isys_mbus_code_to_mipi(u32 code);
 100 u32 ipu_isys_subdev_code_to_uncompressed(u32 sink_code);
 101
 102 enum ipu_isys_subdev_pixelorder ipu_isys_subdev_get_pixelorder(u32 code);
 103
 104 int ipu_isys_subdev_fmt_propagate(struct v4l2_subdev *sd,
 105                                   struct v4l2_subdev_pad_config *cfg,
 106                                   struct v4l2_mbus_framefmt *ffmt,
 107                                   struct v4l2_rect *r,
 108                                   enum isys_subdev_prop_tgt tgt,
 109                                   unsigned int pad, unsigned int which);
 110
 111 int ipu_isys_subdev_set_ffmt_default(struct v4l2_subdev *sd,
 112                                      struct v4l2_subdev_pad_config *cfg,
 113                                      struct v4l2_subdev_format *fmt);
 114 int __ipu_isys_subdev_set_ffmt(struct v4l2_subdev *sd,
 115                                struct v4l2_subdev_pad_config *cfg,
 116                                struct v4l2_subdev_format *fmt);
 117 struct v4l2_rect *__ipu_isys_get_selection(struct v4l2_subdev *sd,
 118                                            struct v4l2_subdev_pad_config *cfg,
 119                                            unsigned int target,
 120                                            unsigned int pad,
 121                                            unsigned int which);
 122 int ipu_isys_subdev_set_ffmt(struct v4l2_subdev *sd,
 123                              struct v4l2_subdev_pad_config *cfg,
 124                              struct v4l2_subdev_format *fmt);
 125 int ipu_isys_subdev_get_ffmt(struct v4l2_subdev *sd,
 126                              struct v4l2_subdev_pad_config *cfg,
 127                              struct v4l2_subdev_format *fmt);
 128 int ipu_isys_subdev_get_sel(struct v4l2_subdev *sd,
 129                             struct v4l2_subdev_pad_config *cfg,
 130                             struct v4l2_subdev_selection *sel);
 131 int ipu_isys_subdev_set_sel(struct v4l2_subdev *sd,
 132                             struct v4l2_subdev_pad_config *cfg,
 133                             struct v4l2_subdev_selection *sel);
 134 int ipu_isys_subdev_enum_mbus_code(struct v4l2_subdev *sd,
 135                                    struct v4l2_subdev_pad_config *cfg,
 136                                    struct v4l2_subdev_mbus_code_enum
 137                                    *code);
 138 int ipu_isys_subdev_link_validate(struct v4l2_subdev *sd,
 139                                   struct media_link *link,
 140                                   struct v4l2_subdev_format *source_fmt,
 141                                   struct v4l2_subdev_format *sink_fmt);
 142
 143 int ipu_isys_subdev_open(struct v4l2_subdev *sd, struct v4l2_subdev_fh *fh);
 144 int ipu_isys_subdev_close(struct v4l2_subdev *sd, struct v4l2_subdev_fh *fh);
 145 int ipu_isys_subdev_init(struct ipu_isys_subdev *asd,
 146                          struct v4l2_subdev_ops *ops,
 147                          unsigned int nr_ctrls,
 148                          unsigned int num_pads,
 149                          unsigned int num_source,
 150                          unsigned int num_sink,
 151                          unsigned int sd_flags);
 152 void ipu_isys_subdev_cleanup(struct ipu_isys_subdev *asd);
 153 #endif /* IPU_ISYS_SUBDEV_H */