2 * Copyright 2016 The Chromium OS Authors. All rights reserved.
3 * Use of this source code is governed by a BSD-style license that can be
4 * found in the LICENSE file.
14 #include <drm_fourcc.h>
17 #define DRV_MAX_PLANES 4
21 #define BO_USE_SCANOUT (1ull << 0)
22 #define BO_USE_CURSOR (1ull << 1)
23 #define BO_USE_CURSOR_64X64 BO_USE_CURSOR
24 #define BO_USE_RENDERING (1ull << 2)
25 #define BO_USE_LINEAR (1ull << 3)
26 #define BO_USE_SW_READ_NEVER (1ull << 4)
27 #define BO_USE_SW_READ_RARELY (1ull << 5)
28 #define BO_USE_SW_READ_OFTEN (1ull << 6)
29 #define BO_USE_SW_WRITE_NEVER (1ull << 7)
30 #define BO_USE_SW_WRITE_RARELY (1ull << 8)
31 #define BO_USE_SW_WRITE_OFTEN (1ull << 9)
32 #define BO_USE_EXTERNAL_DISP (1ull << 10)
33 #define BO_USE_PROTECTED (1ull << 11)
34 #define BO_USE_HW_VIDEO_ENCODER (1ull << 12)
35 #define BO_USE_HW_CAMERA_WRITE (1ull << 13)
36 #define BO_USE_HW_CAMERA_READ (1ull << 14)
37 #define BO_USE_HW_CAMERA_ZSL (1ull << 15)
38 #define BO_USE_RENDERSCRIPT (1ull << 16)
39 #define BO_USE_TEXTURE (1ull << 17)
41 /* This is our extension to <drm_fourcc.h>. We need to make sure we don't step
42 * on the namespace of already defined formats, which can be done by using invalid
46 #define DRM_FORMAT_NONE fourcc_code('0', '0', '0', '0')
47 #define DRM_FORMAT_FLEX_IMPLEMENTATION_DEFINED fourcc_code('9', '9', '9', '8')
48 #define DRM_FORMAT_FLEX_YCbCr_420_888 fourcc_code('9', '9', '9', '9')
50 #define BO_COMMON_USE_MASK BO_USE_LINEAR | BO_USE_RENDERING | \
51 BO_USE_SW_READ_OFTEN | BO_USE_SW_WRITE_OFTEN | \
52 BO_USE_SW_READ_RARELY | BO_USE_SW_WRITE_RARELY | \
66 struct drv_import_fd_data {
67 int fds[DRV_MAX_PLANES];
68 uint32_t strides[DRV_MAX_PLANES];
69 uint32_t offsets[DRV_MAX_PLANES];
70 uint32_t sizes[DRV_MAX_PLANES];
71 uint64_t format_modifiers[DRV_MAX_PLANES];
81 drv_destroy(struct driver *drv);
84 drv_get_fd(struct driver *drv);
87 drv_get_name(struct driver *drv);
90 drv_get_combination(struct driver *drv, uint32_t format, uint64_t usage);
93 drv_bo_new(struct driver *drv, uint32_t width, uint32_t height,
97 drv_bo_create(struct driver *drv, uint32_t width, uint32_t height,
98 uint32_t format, uint64_t flags);
101 drv_bo_create_with_modifiers(struct driver *drv,
102 uint32_t width, uint32_t height,
104 const uint64_t *modifiers, uint32_t count);
107 drv_bo_destroy(struct bo *bo);
110 drv_bo_import(struct driver *drv, struct drv_import_fd_data *data);
113 drv_bo_map(struct bo *bo, uint32_t x, uint32_t y, uint32_t width,
114 uint32_t height, uint32_t flags, void **map_data, size_t plane);
117 drv_bo_unmap(struct bo *bo, void *map_data);
120 drv_bo_get_width(struct bo *bo);
123 drv_bo_get_height(struct bo *bo);
126 drv_bo_get_stride_or_tiling(struct bo *bo);
129 drv_bo_get_num_planes(struct bo *bo);
132 drv_bo_get_plane_handle(struct bo *bo, size_t plane);
135 drv_bo_get_plane_fd(struct bo *bo, size_t plane);
138 drv_bo_get_plane_offset(struct bo *bo, size_t plane);
141 drv_bo_get_plane_size(struct bo *bo, size_t plane);
144 drv_bo_get_plane_stride(struct bo *bo, size_t plane);
147 drv_bo_get_plane_format_modifier(struct bo *bo, size_t plane);
150 drv_bo_get_format(struct bo *bo);
153 drv_resolve_format(struct driver *drv, uint32_t format);
156 drv_stride_from_format(uint32_t format, uint32_t width, size_t plane);
159 drv_num_planes_from_format(uint32_t format);
162 drv_size_from_format(uint32_t format, uint32_t stride, uint32_t height,
166 drv_num_buffers_per_bo(struct bo *bo);