kernel-ark/include/drm/drm_format_helper.h
Noralf Trønnes bcf80d6ef1 drm/format-helper: Add drm_fb_xrgb8888_to_rgb888()
Add XRGB8888 emulation support for devices that can only do RGB888.

Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Acked-by: Thomas Zimmermann <tzimmermann@suse.de>
Signed-off-by: Noralf Trønnes <noralf@tronnes.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20210929191201.34456-4-noralf@tronnes.org
2021-10-04 12:04:19 +02:00

44 lines
1.7 KiB
C

/* 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_framebuffer;
struct drm_rect;
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 */