drm_format_helper.h

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/* 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
 
#include <linux/types.h>
 
struct drm_device;
struct drm_format_info;
struct drm_framebuffer;
struct drm_rect;
 
struct iosys_map;
 
struct drm_format_conv_state {
    /* private: */
    struct {
        void *mem;
        size_t size;
        bool preallocated;
    } tmp;
};
 
#define __DRM_FORMAT_CONV_STATE_INIT(_mem, _size, _preallocated) { \
        .tmp = { \
            .mem = (_mem), \
            .size = (_size), \
            .preallocated = (_preallocated), \
        } \
    }
 
#define DRM_FORMAT_CONV_STATE_INIT \
    __DRM_FORMAT_CONV_STATE_INIT(NULL, 0, false)
 
#define DRM_FORMAT_CONV_STATE_INIT_PREALLOCATED(_mem, _size) \
    __DRM_FORMAT_CONV_STATE_INIT(_mem, _size, true)
 
void drm_format_conv_state_init(struct drm_format_conv_state *state);
void drm_format_conv_state_copy(struct drm_format_conv_state *state,
                const struct drm_format_conv_state *old_state);
void *drm_format_conv_state_reserve(struct drm_format_conv_state *state,
                    size_t new_size, gfp_t flags);
void drm_format_conv_state_release(struct drm_format_conv_state *state);
 
unsigned int drm_fb_clip_offset(unsigned int pitch, const struct drm_format_info *format,
                const struct drm_rect *clip);
 
void drm_fb_memcpy(struct iosys_map *dst, const unsigned int *dst_pitch,
           const struct iosys_map *src, const struct drm_framebuffer *fb,
           const struct drm_rect *clip);
void drm_fb_swab(struct iosys_map *dst, const unsigned int *dst_pitch,
         const struct iosys_map *src, const struct drm_framebuffer *fb,
         const struct drm_rect *clip, bool cached,
         struct drm_format_conv_state *state);
void drm_fb_xrgb8888_to_rgb332(struct iosys_map *dst, const unsigned int *dst_pitch,
                   const struct iosys_map *src, const struct drm_framebuffer *fb,
                   const struct drm_rect *clip, struct drm_format_conv_state *state);
void drm_fb_xrgb8888_to_rgb565(struct iosys_map *dst, const unsigned int *dst_pitch,
                   const struct iosys_map *src, const struct drm_framebuffer *fb,
                   const struct drm_rect *clip, struct drm_format_conv_state *state);
void drm_fb_xrgb8888_to_rgb565be(struct iosys_map *dst, const unsigned int *dst_pitch,
                 const struct iosys_map *src, const struct drm_framebuffer *fb,
                 const struct drm_rect *clip, struct drm_format_conv_state *state);
void drm_fb_xrgb8888_to_xrgb1555(struct iosys_map *dst, const unsigned int *dst_pitch,
                 const struct iosys_map *src, const struct drm_framebuffer *fb,
                 const struct drm_rect *clip, struct drm_format_conv_state *state);
void drm_fb_xrgb8888_to_argb1555(struct iosys_map *dst, const unsigned int *dst_pitch,
                 const struct iosys_map *src, const struct drm_framebuffer *fb,
                 const struct drm_rect *clip, struct drm_format_conv_state *state);
void drm_fb_xrgb8888_to_rgba5551(struct iosys_map *dst, const unsigned int *dst_pitch,
                 const struct iosys_map *src, const struct drm_framebuffer *fb,
                 const struct drm_rect *clip, struct drm_format_conv_state *state);
void drm_fb_xrgb8888_to_rgb888(struct iosys_map *dst, const unsigned int *dst_pitch,
                   const struct iosys_map *src, const struct drm_framebuffer *fb,
                   const struct drm_rect *clip, struct drm_format_conv_state *state);
void drm_fb_xrgb8888_to_bgr888(struct iosys_map *dst, const unsigned int *dst_pitch,
                   const struct iosys_map *src, const struct drm_framebuffer *fb,
                   const struct drm_rect *clip, struct drm_format_conv_state *state);
void drm_fb_xrgb8888_to_argb8888(struct iosys_map *dst, const unsigned int *dst_pitch,
                 const struct iosys_map *src, const struct drm_framebuffer *fb,
                 const struct drm_rect *clip, struct drm_format_conv_state *state);
void drm_fb_xrgb8888_to_abgr8888(struct iosys_map *dst, const unsigned int *dst_pitch,
                 const struct iosys_map *src, const struct drm_framebuffer *fb,
                 const struct drm_rect *clip, struct drm_format_conv_state *state);
void drm_fb_xrgb8888_to_xbgr8888(struct iosys_map *dst, const unsigned int *dst_pitch,
                 const struct iosys_map *src, const struct drm_framebuffer *fb,
                 const struct drm_rect *clip, struct drm_format_conv_state *state);
void drm_fb_xrgb8888_to_bgrx8888(struct iosys_map *dst, const unsigned int *dst_pitch,
                 const struct iosys_map *src, const struct drm_framebuffer *fb,
                 const struct drm_rect *clip, struct drm_format_conv_state *state);
void drm_fb_xrgb8888_to_xrgb2101010(struct iosys_map *dst, const unsigned int *dst_pitch,
                    const struct iosys_map *src, const struct drm_framebuffer *fb,
                    const struct drm_rect *clip,
                    struct drm_format_conv_state *state);
void drm_fb_xrgb8888_to_argb2101010(struct iosys_map *dst, const unsigned int *dst_pitch,
                    const struct iosys_map *src, const struct drm_framebuffer *fb,
                    const struct drm_rect *clip,
                    struct drm_format_conv_state *state);
void drm_fb_xrgb8888_to_gray8(struct iosys_map *dst, const unsigned int *dst_pitch,
                  const struct iosys_map *src, const struct drm_framebuffer *fb,
                  const struct drm_rect *clip, struct drm_format_conv_state *state);
void drm_fb_argb8888_to_argb4444(struct iosys_map *dst, const unsigned int *dst_pitch,
                 const struct iosys_map *src, const struct drm_framebuffer *fb,
                 const struct drm_rect *clip, struct drm_format_conv_state *state);
 
void drm_fb_xrgb8888_to_mono(struct iosys_map *dst, const unsigned int *dst_pitch,
                 const struct iosys_map *src, const struct drm_framebuffer *fb,
                 const struct drm_rect *clip, struct drm_format_conv_state *state);
 
void drm_fb_xrgb8888_to_gray2(struct iosys_map *dst, const unsigned int *dst_pitch,
                  const struct iosys_map *src, const struct drm_framebuffer *fb,
                  const struct drm_rect *clip, struct drm_format_conv_state *state);
 
#endif /* __LINUX_DRM_FORMAT_HELPER_H */