v4l2-common.h 4.0 KB

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  1. /*
  2. * include/linux/v4l2-common.h
  3. *
  4. * Common V4L2 and V4L2 subdev definitions.
  5. *
  6. * Users are advised to #include this file either through videodev2.h
  7. * (V4L2) or through v4l2-subdev.h (V4L2 subdev) rather than to refer
  8. * to this file directly.
  9. *
  10. * Copyright (C) 2012 Nokia Corporation
  11. * Contact: Sakari Ailus <sakari.ailus@iki.fi>
  12. *
  13. * This program is free software; you can redistribute it and/or modify
  14. * it under the terms of the GNU General Public License as published by
  15. * the Free Software Foundation; either version 2 of the License, or
  16. * (at your option) any later version.
  17. *
  18. * This program is distributed in the hope that it will be useful,
  19. * but WITHOUT ANY WARRANTY; without even the implied warranty of
  20. * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  21. * GNU General Public License for more details.
  22. *
  23. * Alternatively you can redistribute this file under the terms of the
  24. * BSD license as stated below:
  25. *
  26. * Redistribution and use in source and binary forms, with or without
  27. * modification, are permitted provided that the following conditions
  28. * are met:
  29. * 1. Redistributions of source code must retain the above copyright
  30. * notice, this list of conditions and the following disclaimer.
  31. * 2. Redistributions in binary form must reproduce the above copyright
  32. * notice, this list of conditions and the following disclaimer in
  33. * the documentation and/or other materials provided with the
  34. * distribution.
  35. * 3. The names of its contributors may not be used to endorse or promote
  36. * products derived from this software without specific prior written
  37. * permission.
  38. *
  39. * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  40. * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  41. * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
  42. * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  43. * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  44. * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
  45. * TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
  46. * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
  47. * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
  48. * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
  49. * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  50. *
  51. */
  52. #ifndef __V4L2_COMMON__
  53. #define __V4L2_COMMON__
  54. #include <linux/types.h>
  55. /*
  56. *
  57. * Selection interface definitions
  58. *
  59. */
  60. /* Current cropping area */
  61. #define V4L2_SEL_TGT_CROP 0x0000
  62. /* Default cropping area */
  63. #define V4L2_SEL_TGT_CROP_DEFAULT 0x0001
  64. /* Cropping bounds */
  65. #define V4L2_SEL_TGT_CROP_BOUNDS 0x0002
  66. /* Native frame size */
  67. #define V4L2_SEL_TGT_NATIVE_SIZE 0x0003
  68. /* Current composing area */
  69. #define V4L2_SEL_TGT_COMPOSE 0x0100
  70. /* Default composing area */
  71. #define V4L2_SEL_TGT_COMPOSE_DEFAULT 0x0101
  72. /* Composing bounds */
  73. #define V4L2_SEL_TGT_COMPOSE_BOUNDS 0x0102
  74. /* Current composing area plus all padding pixels */
  75. #define V4L2_SEL_TGT_COMPOSE_PADDED 0x0103
  76. /* Backward compatibility target definitions --- to be removed. */
  77. #define V4L2_SEL_TGT_CROP_ACTIVE V4L2_SEL_TGT_CROP
  78. #define V4L2_SEL_TGT_COMPOSE_ACTIVE V4L2_SEL_TGT_COMPOSE
  79. #define V4L2_SUBDEV_SEL_TGT_CROP_ACTUAL V4L2_SEL_TGT_CROP
  80. #define V4L2_SUBDEV_SEL_TGT_COMPOSE_ACTUAL V4L2_SEL_TGT_COMPOSE
  81. #define V4L2_SUBDEV_SEL_TGT_CROP_BOUNDS V4L2_SEL_TGT_CROP_BOUNDS
  82. #define V4L2_SUBDEV_SEL_TGT_COMPOSE_BOUNDS V4L2_SEL_TGT_COMPOSE_BOUNDS
  83. /* Selection flags */
  84. #define V4L2_SEL_FLAG_GE (1 << 0)
  85. #define V4L2_SEL_FLAG_LE (1 << 1)
  86. #define V4L2_SEL_FLAG_KEEP_CONFIG (1 << 2)
  87. /* Backward compatibility flag definitions --- to be removed. */
  88. #define V4L2_SUBDEV_SEL_FLAG_SIZE_GE V4L2_SEL_FLAG_GE
  89. #define V4L2_SUBDEV_SEL_FLAG_SIZE_LE V4L2_SEL_FLAG_LE
  90. #define V4L2_SUBDEV_SEL_FLAG_KEEP_CONFIG V4L2_SEL_FLAG_KEEP_CONFIG
  91. struct v4l2_edid {
  92. __u32 pad;
  93. __u32 start_block;
  94. __u32 blocks;
  95. __u32 reserved[5];
  96. __u8 *edid;
  97. };
  98. #endif /* __V4L2_COMMON__ */