1 /* SPDX-License-Identifier: GPL-2.0-or-later */
2 /*
3  * Copyright (C) 2016 Noralf Trønnes
4  */
5 
6 #ifndef __LINUX_DRM_FORMAT_HELPER_H
7 #define __LINUX_DRM_FORMAT_HELPER_H
8 
9 #include <linux/types.h>
10 
11 struct drm_device;
12 struct drm_format_info;
13 struct drm_framebuffer;
14 struct drm_rect;
15 
16 struct iosys_map;
17 
18 unsigned int drm_fb_clip_offset(unsigned int pitch, const struct drm_format_info *format,
19 				const struct drm_rect *clip);
20 
21 void drm_fb_memcpy(struct iosys_map *dst, const unsigned int *dst_pitch,
22 		   const struct iosys_map *src, const struct drm_framebuffer *fb,
23 		   const struct drm_rect *clip);
24 void drm_fb_swab(struct iosys_map *dst, const unsigned int *dst_pitch,
25 		 const struct iosys_map *src, const struct drm_framebuffer *fb,
26 		 const struct drm_rect *clip, bool cached);
27 void drm_fb_xrgb8888_to_rgb332(struct iosys_map *dst, const unsigned int *dst_pitch,
28 			       const struct iosys_map *src, const struct drm_framebuffer *fb,
29 			       const struct drm_rect *clip);
30 void drm_fb_xrgb8888_to_rgb565(struct iosys_map *dst, const unsigned int *dst_pitch,
31 			       const struct iosys_map *src, const struct drm_framebuffer *fb,
32 			       const struct drm_rect *clip, bool swab);
33 void drm_fb_xrgb8888_to_rgb888(struct iosys_map *dst, const unsigned int *dst_pitch,
34 			       const struct iosys_map *src, const struct drm_framebuffer *fb,
35 			       const struct drm_rect *clip);
36 void drm_fb_xrgb8888_to_xrgb2101010(struct iosys_map *dst, const unsigned int *dst_pitch,
37 				    const struct iosys_map *src, const struct drm_framebuffer *fb,
38 				    const struct drm_rect *clip);
39 void drm_fb_xrgb8888_to_gray8(struct iosys_map *dst, const unsigned int *dst_pitch,
40 			      const struct iosys_map *src, const struct drm_framebuffer *fb,
41 			      const struct drm_rect *clip);
42 
43 int drm_fb_blit(struct iosys_map *dst, const unsigned int *dst_pitch, uint32_t dst_format,
44 		const struct iosys_map *src, const struct drm_framebuffer *fb,
45 		const struct drm_rect *rect);
46 
47 void drm_fb_xrgb8888_to_mono(struct iosys_map *dst, const unsigned int *dst_pitch,
48 			     const struct iosys_map *src, const struct drm_framebuffer *fb,
49 			     const struct drm_rect *clip);
50 
51 size_t drm_fb_build_fourcc_list(struct drm_device *dev,
52 				const u32 *native_fourccs, size_t native_nfourccs,
53 				const u32 *extra_fourccs, size_t extra_nfourccs,
54 				u32 *fourccs_out, size_t nfourccs_out);
55 
56 #endif /* __LINUX_DRM_FORMAT_HELPER_H */
57