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 struct drm_format_info;
10 struct drm_framebuffer;
11 struct drm_rect;
12 
13 unsigned int drm_fb_clip_offset(unsigned int pitch, const struct drm_format_info *format,
14 				const struct drm_rect *clip);
15 
16 void drm_fb_memcpy(void *dst, unsigned int dst_pitch, const void *vaddr,
17 		   const struct drm_framebuffer *fb, const struct drm_rect *clip);
18 void drm_fb_memcpy_toio(void __iomem *dst, unsigned int dst_pitch, const void *vaddr,
19 			const struct drm_framebuffer *fb, const struct drm_rect *clip);
20 void drm_fb_swab(void *dst, void *src, struct drm_framebuffer *fb,
21 		 struct drm_rect *clip, bool cached);
22 void drm_fb_xrgb8888_to_rgb332(void *dst, void *vaddr, struct drm_framebuffer *fb,
23 			       struct drm_rect *clip);
24 void drm_fb_xrgb8888_to_rgb565(void *dst, void *vaddr,
25 			       struct drm_framebuffer *fb,
26 			       struct drm_rect *clip, bool swab);
27 void drm_fb_xrgb8888_to_rgb565_dstclip(void __iomem *dst, unsigned int dst_pitch,
28 				       void *vaddr, struct drm_framebuffer *fb,
29 				       struct drm_rect *clip, bool swab);
30 void drm_fb_xrgb8888_to_rgb888(void *dst, void *src, struct drm_framebuffer *fb,
31 			       struct drm_rect *clip);
32 void drm_fb_xrgb8888_to_rgb888_dstclip(void __iomem *dst, unsigned int dst_pitch,
33 				       void *vaddr, struct drm_framebuffer *fb,
34 				       struct drm_rect *clip);
35 void drm_fb_xrgb8888_to_gray8(u8 *dst, void *vaddr, struct drm_framebuffer *fb,
36 			      struct drm_rect *clip);
37 
38 int drm_fb_blit_rect_dstclip(void __iomem *dst, unsigned int dst_pitch,
39 			     uint32_t dst_format, void *vmap,
40 			     struct drm_framebuffer *fb,
41 			     struct drm_rect *rect);
42 int drm_fb_blit_dstclip(void __iomem *dst, unsigned int dst_pitch,
43 			uint32_t dst_format, void *vmap,
44 			struct drm_framebuffer *fb);
45 
46 #endif /* __LINUX_DRM_FORMAT_HELPER_H */
47