csi_ioctl.c 3.2 KB

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  1. /****************************************************************************
  2. *
  3. * The MIT License (MIT)
  4. *
  5. * Copyright (c) 2020 VeriSilicon Holdings Co., Ltd.
  6. *
  7. * Permission is hereby granted, free of charge, to any person obtaining a
  8. * copy of this software and associated documentation files (the "Software"),
  9. * to deal in the Software without restriction, including without limitation
  10. * the rights to use, copy, modify, merge, publish, distribute, sublicense,
  11. * and/or sell copies of the Software, and to permit persons to whom the
  12. * Software is furnished to do so, subject to the following conditions:
  13. *
  14. * The above copyright notice and this permission notice shall be included in
  15. * all copies or substantial portions of the Software.
  16. *
  17. * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  18. * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  19. * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
  20. * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  21. * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
  22. * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
  23. * DEALINGS IN THE SOFTWARE.
  24. *
  25. *****************************************************************************
  26. *
  27. * The GPL License (GPL)
  28. *
  29. * Copyright (c) 2020 VeriSilicon Holdings Co., Ltd.
  30. *
  31. * This program is free software; you can redistribute it and/or
  32. * modify it under the terms of the GNU General Public License
  33. * as published by the Free Software Foundation; either version 2
  34. * of the License, or (at your option) any later version.
  35. *
  36. * This program is distributed in the hope that it will be useful,
  37. * but WITHOUT ANY WARRANTY; without even the implied warranty of
  38. * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  39. * GNU General Public License for more details.
  40. *
  41. * You should have received a copy of the GNU General Public License
  42. * along with this program;
  43. *
  44. *****************************************************************************
  45. *
  46. * Note: This software is released under dual MIT and GPL licenses. A
  47. * recipient may use this file under the terms of either the MIT license or
  48. * GPL License. If you wish to use only one license not the other, you can
  49. * indicate your decision by deleting one of the above license notices in your
  50. * version of this file.
  51. *
  52. *****************************************************************************/
  53. #include <linux/module.h>
  54. #include <linux/uaccess.h>
  55. #include "csi_ioctl.h"
  56. #include "csi_common.h"
  57. long csi_priv_ioctl(struct vvcam_csi_dev *dev, unsigned int cmd, void __user *args)
  58. {
  59. long ret = 0;
  60. switch (cmd)
  61. {
  62. case VVCSI_IOC_S_STREAM:
  63. copy_from_user(&dev->streaming_enable, args, sizeof(dev->streaming_enable));
  64. ret = vvnative_csi_set_stream_control(dev);
  65. break;
  66. case VVCSI_IOC_S_LANE_CFG:
  67. copy_from_user(&dev->csi_lane_cfg, args, sizeof(dev->csi_lane_cfg));
  68. ret = vvnative_csi_set_cfg(dev);
  69. break;
  70. case VVCSI_IOC_S_BIT_SHIFT:
  71. copy_from_user(&dev->bit_width, args, sizeof(dev->bit_width));
  72. ret = vvnative_csi_set_bit_shift(dev);
  73. break;
  74. default:
  75. ret = 0;
  76. break;
  77. }
  78. return ret;
  79. }