qxl_dumb.c 2.5 KB

123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990
  1. /*
  2. * Copyright 2013 Red Hat Inc.
  3. *
  4. * Permission is hereby granted, free of charge, to any person obtaining a
  5. * copy of this software and associated documentation files (the "Software"),
  6. * to deal in the Software without restriction, including without limitation
  7. * the rights to use, copy, modify, merge, publish, distribute, sublicense,
  8. * and/or sell copies of the Software, and to permit persons to whom the
  9. * Software is furnished to do so, subject to the following conditions:
  10. *
  11. * The above copyright notice and this permission notice shall be included in
  12. * all copies or substantial portions of the Software.
  13. *
  14. * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  15. * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  16. * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
  17. * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
  18. * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
  19. * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
  20. * OTHER DEALINGS IN THE SOFTWARE.
  21. *
  22. * Authors: Dave Airlie
  23. * Alon Levy
  24. */
  25. #include "qxl_drv.h"
  26. #include "qxl_object.h"
  27. /* dumb ioctls implementation */
  28. int qxl_mode_dumb_create(struct drm_file *file_priv,
  29. struct drm_device *dev,
  30. struct drm_mode_create_dumb *args)
  31. {
  32. struct qxl_device *qdev = to_qxl(dev);
  33. struct qxl_bo *qobj;
  34. uint32_t handle;
  35. int r;
  36. struct qxl_surface surf;
  37. uint32_t pitch, format;
  38. pitch = args->width * ((args->bpp + 1) / 8);
  39. args->size = pitch * args->height;
  40. args->size = ALIGN(args->size, PAGE_SIZE);
  41. switch (args->bpp) {
  42. case 16:
  43. format = SPICE_SURFACE_FMT_16_565;
  44. break;
  45. case 32:
  46. format = SPICE_SURFACE_FMT_32_xRGB;
  47. break;
  48. default:
  49. return -EINVAL;
  50. }
  51. surf.width = args->width;
  52. surf.height = args->height;
  53. surf.stride = pitch;
  54. surf.format = format;
  55. surf.data = 0;
  56. r = qxl_gem_object_create_with_handle(qdev, file_priv,
  57. QXL_GEM_DOMAIN_SURFACE,
  58. args->size, &surf, &qobj,
  59. &handle);
  60. if (r)
  61. return r;
  62. qobj->is_dumb = true;
  63. args->pitch = pitch;
  64. args->handle = handle;
  65. return 0;
  66. }
  67. int qxl_mode_dumb_mmap(struct drm_file *file_priv,
  68. struct drm_device *dev,
  69. uint32_t handle, uint64_t *offset_p)
  70. {
  71. struct drm_gem_object *gobj;
  72. struct qxl_bo *qobj;
  73. BUG_ON(!offset_p);
  74. gobj = drm_gem_object_lookup(file_priv, handle);
  75. if (gobj == NULL)
  76. return -ENOENT;
  77. qobj = gem_to_qxl_bo(gobj);
  78. *offset_p = qxl_bo_mmap_offset(qobj);
  79. drm_gem_object_put(gobj);
  80. return 0;
  81. }