linux/include/drm/drm_format_helper.h

/* SPDX-License-Identifier: GPL-2.0-or-later */
/*
 * Copyright (C) 2016 Noralf Trønnes
 */

#ifndef __LINUX_DRM_FORMAT_HELPER_H
#define __LINUX_DRM_FORMAT_HELPER_H

struct drm_format_info;
struct drm_framebuffer;
struct drm_rect;

unsigned int drm_fb_clip_offset(unsigned int pitch, const struct drm_format_info *format,
				const struct drm_rect *clip);

void drm_fb_memcpy(void *dst, void *vaddr, struct drm_framebuffer *fb,
		   struct drm_rect *clip);
void drm_fb_memcpy_dstclip(void __iomem *dst, unsigned int dst_pitch, void *vaddr,
			   struct drm_framebuffer *fb,
			   struct drm_rect *clip);
void drm_fb_swab(void *dst, void *src, struct drm_framebuffer *fb,
		 struct drm_rect *clip, bool cached);
void drm_fb_xrgb8888_to_rgb332(void *dst, void *vaddr, struct drm_framebuffer *fb,
			       struct drm_rect *clip);
void drm_fb_xrgb8888_to_rgb565(void *dst, void *vaddr,
			       struct drm_framebuffer *fb,
			       struct drm_rect *clip, bool swab);
void drm_fb_xrgb8888_to_rgb565_dstclip(void __iomem *dst, unsigned int dst_pitch,
				       void *vaddr, struct drm_framebuffer *fb,
				       struct drm_rect *clip, bool swab);
void drm_fb_xrgb8888_to_rgb888(void *dst, void *src, struct drm_framebuffer *fb,
			       struct drm_rect *clip);
void drm_fb_xrgb8888_to_rgb888_dstclip(void __iomem *dst, unsigned int dst_pitch,
				       void *vaddr, struct drm_framebuffer *fb,
				       struct drm_rect *clip);
void drm_fb_xrgb8888_to_gray8(u8 *dst, void *vaddr, struct drm_framebuffer *fb,
			      struct drm_rect *clip);

int drm_fb_blit_rect_dstclip(void __iomem *dst, unsigned int dst_pitch,
			     uint32_t dst_format, void *vmap,
			     struct drm_framebuffer *fb,
			     struct drm_rect *rect);
int drm_fb_blit_dstclip(void __iomem *dst, unsigned int dst_pitch,
			uint32_t dst_format, void *vmap,
			struct drm_framebuffer *fb);

#endif /* __LINUX_DRM_FORMAT_HELPER_H */