v4l2-common.h 4.1 KB

123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110
  1. /* SPDX-License-Identifier: ((GPL-2.0+ WITH Linux-syscall-note) OR BSD-3-Clause) */
  2. /*
  3. * include/linux/v4l2-common.h
  4. *
  5. * Common V4L2 and V4L2 subdev definitions.
  6. *
  7. * Users are advised to #include this file either through videodev2.h
  8. * (V4L2) or through v4l2-subdev.h (V4L2 subdev) rather than to refer
  9. * to this file directly.
  10. *
  11. * Copyright (C) 2012 Nokia Corporation
  12. * Contact: Sakari Ailus <[email protected]>
  13. *
  14. * This program is free software; you can redistribute it and/or modify
  15. * it under the terms of the GNU General Public License as published by
  16. * the Free Software Foundation; either version 2 of the License, or
  17. * (at your option) any later version.
  18. *
  19. * This program is distributed in the hope that it will be useful,
  20. * but WITHOUT ANY WARRANTY; without even the implied warranty of
  21. * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  22. * GNU General Public License for more details.
  23. *
  24. * Alternatively you can redistribute this file under the terms of the
  25. * BSD license as stated below:
  26. *
  27. * Redistribution and use in source and binary forms, with or without
  28. * modification, are permitted provided that the following conditions
  29. * are met:
  30. * 1. Redistributions of source code must retain the above copyright
  31. * notice, this list of conditions and the following disclaimer.
  32. * 2. Redistributions in binary form must reproduce the above copyright
  33. * notice, this list of conditions and the following disclaimer in
  34. * the documentation and/or other materials provided with the
  35. * distribution.
  36. * 3. The names of its contributors may not be used to endorse or promote
  37. * products derived from this software without specific prior written
  38. * permission.
  39. *
  40. * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  41. * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  42. * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
  43. * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  44. * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  45. * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
  46. * TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
  47. * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
  48. * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
  49. * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
  50. * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  51. *
  52. */
  53. #ifndef __V4L2_COMMON__
  54. #define __V4L2_COMMON__
  55. #include <linux/types.h>
  56. /*
  57. *
  58. * Selection interface definitions
  59. *
  60. */
  61. /* Current cropping area */
  62. #define V4L2_SEL_TGT_CROP 0x0000
  63. /* Default cropping area */
  64. #define V4L2_SEL_TGT_CROP_DEFAULT 0x0001
  65. /* Cropping bounds */
  66. #define V4L2_SEL_TGT_CROP_BOUNDS 0x0002
  67. /* Native frame size */
  68. #define V4L2_SEL_TGT_NATIVE_SIZE 0x0003
  69. /* Current composing area */
  70. #define V4L2_SEL_TGT_COMPOSE 0x0100
  71. /* Default composing area */
  72. #define V4L2_SEL_TGT_COMPOSE_DEFAULT 0x0101
  73. /* Composing bounds */
  74. #define V4L2_SEL_TGT_COMPOSE_BOUNDS 0x0102
  75. /* Current composing area plus all padding pixels */
  76. #define V4L2_SEL_TGT_COMPOSE_PADDED 0x0103
  77. /* Selection flags */
  78. #define V4L2_SEL_FLAG_GE (1 << 0)
  79. #define V4L2_SEL_FLAG_LE (1 << 1)
  80. #define V4L2_SEL_FLAG_KEEP_CONFIG (1 << 2)
  81. struct v4l2_edid {
  82. __u32 pad;
  83. __u32 start_block;
  84. __u32 blocks;
  85. __u32 reserved[5];
  86. __u8 *edid;
  87. };
  88. #ifndef __KERNEL__
  89. /* Backward compatibility target definitions --- to be removed. */
  90. #define V4L2_SEL_TGT_CROP_ACTIVE V4L2_SEL_TGT_CROP
  91. #define V4L2_SEL_TGT_COMPOSE_ACTIVE V4L2_SEL_TGT_COMPOSE
  92. #define V4L2_SUBDEV_SEL_TGT_CROP_ACTUAL V4L2_SEL_TGT_CROP
  93. #define V4L2_SUBDEV_SEL_TGT_COMPOSE_ACTUAL V4L2_SEL_TGT_COMPOSE
  94. #define V4L2_SUBDEV_SEL_TGT_CROP_BOUNDS V4L2_SEL_TGT_CROP_BOUNDS
  95. #define V4L2_SUBDEV_SEL_TGT_COMPOSE_BOUNDS V4L2_SEL_TGT_COMPOSE_BOUNDS
  96. /* Backward compatibility flag definitions --- to be removed. */
  97. #define V4L2_SUBDEV_SEL_FLAG_SIZE_GE V4L2_SEL_FLAG_GE
  98. #define V4L2_SUBDEV_SEL_FLAG_SIZE_LE V4L2_SEL_FLAG_LE
  99. #define V4L2_SUBDEV_SEL_FLAG_KEEP_CONFIG V4L2_SEL_FLAG_KEEP_CONFIG
  100. #endif
  101. #endif /* __V4L2_COMMON__ */