projects / mirror_ubuntu-zesty-kernel.git / blame
| Commit | Line | Data |
|---|---|---|
| ae4df11a LP |
1 | /* |
| 2 | * Copyright (c) 2016 Laurent Pinchart <laurent.pinchart@ideasonboard.com> | |
| 3 | * | |
| 4 | * Permission to use, copy, modify, distribute, and sell this software and its | |
| 5 | * documentation for any purpose is hereby granted without fee, provided that | |
| 6 | * the above copyright notice appear in all copies and that both that copyright | |
| 7 | * notice and this permission notice appear in supporting documentation, and | |
| 8 | * that the name of the copyright holders not be used in advertising or | |
| 9 | * publicity pertaining to distribution of the software without specific, | |
| 10 | * written prior permission. The copyright holders make no representations | |
| 11 | * about the suitability of this software for any purpose. It is provided "as | |
| 12 | * is" without express or implied warranty. | |
| 13 | * | |
| 14 | * THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, | |
| 15 | * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO | |
| 16 | * EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY SPECIAL, INDIRECT OR | |
| 17 | * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, | |
| 18 | * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER | |
| 19 | * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE | |
| 20 | * OF THIS SOFTWARE. | |
| 21 | */ | |
| 22 | #ifndef __DRM_FOURCC_H__ | |
| 23 | #define __DRM_FOURCC_H__ | |
| 24 | ||
| 25 | #include <linux/types.h> | |
| 26 | #include <uapi/drm/drm_fourcc.h> | |
| 27 | ||
| 84770cc2 LP |
28 | /** |
| 29 | * struct drm_format_info - information about a DRM format | |
| 30 | * @format: 4CC format identifier (DRM_FORMAT_*) | |
| 31 | * @depth: Color depth (number of bits per pixel excluding padding bits), | |
| 32 | * valid for a subset of RGB formats only. This is a legacy field, do not | |
| 33 | * use in new code and set to 0 for new formats. | |
| 34 | * @num_planes: Number of color planes (1 to 3) | |
| 35 | * @cpp: Number of bytes per pixel (per plane) | |
| 36 | * @hsub: Horizontal chroma subsampling factor | |
| 37 | * @vsub: Vertical chroma subsampling factor | |
| 38 | */ | |
| 39 | struct drm_format_info { | |
| 40 | u32 format; | |
| 41 | u8 depth; | |
| 42 | u8 num_planes; | |
| 43 | u8 cpp[3]; | |
| 44 | u8 hsub; | |
| 45 | u8 vsub; | |
| 46 | }; | |
| 47 | ||
| b3c11ac2 EE |
48 | /** |
| 49 | * struct drm_format_name_buf - name of a DRM format | |
| 50 | * @str: string buffer containing the format name | |
| 51 | */ | |
| 52 | struct drm_format_name_buf { | |
| 53 | char str[32]; | |
| 54 | }; | |
| 55 | ||
| 333d2da5 | 56 | const struct drm_format_info *__drm_format_info(u32 format); |
| 84770cc2 | 57 | const struct drm_format_info *drm_format_info(u32 format); |
| ec5e3047 | 58 | uint32_t drm_mode_legacy_fb_format(uint32_t bpp, uint32_t depth); |
| ae4df11a LP |
59 | int drm_format_num_planes(uint32_t format); |
| 60 | int drm_format_plane_cpp(uint32_t format, int plane); | |
| 61 | int drm_format_horz_chroma_subsampling(uint32_t format); | |
| 62 | int drm_format_vert_chroma_subsampling(uint32_t format); | |
| 63 | int drm_format_plane_width(int width, uint32_t format, int plane); | |
| 64 | int drm_format_plane_height(int height, uint32_t format, int plane); | |
| b3c11ac2 | 65 | const char *drm_get_format_name(uint32_t format, struct drm_format_name_buf *buf); |
| ae4df11a LP |
66 | |
| 67 | #endif /* __DRM_FOURCC_H__ */ |