ꦫꦣꦺꦤ꧀ꦄꦤ꧀ꦠꦱꦺꦤ

PATH: usr / src / kernels / 5.14.0-611.49.2.el9_7.x86_64 / include / drm

/* 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 - Stores format-conversion state
 *
 * DRM helpers for format conversion store temporary state in
 * struct drm_xfrm_buf. The buffer's resources can be reused
 * among multiple conversion operations.
 *
 * All fields are considered private.
 */
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), \
		} \
	}

/**
 * DRM_FORMAT_CONV_STATE_INIT - Initializer for struct drm_format_conv_state
 *
 * Initializes an instance of struct drm_format_conv_state to default values.
 */
#define DRM_FORMAT_CONV_STATE_INIT \
	__DRM_FORMAT_CONV_STATE_INIT(NULL, 0, false)

/**
 * DRM_FORMAT_CONV_STATE_INIT_PREALLOCATED - Initializer for struct drm_format_conv_state
 * @_mem: The preallocated memory area
 * @_size: The number of bytes in _mem
 *
 * Initializes an instance of struct drm_format_conv_state to preallocated
 * storage. The caller is responsible for releasing the provided memory range.
 */
#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,
			       bool swab);
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_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);

int drm_fb_blit(struct iosys_map *dst, const unsigned int *dst_pitch, uint32_t dst_format,
		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);

size_t drm_fb_build_fourcc_list(struct drm_device *dev,
				const u32 *native_fourccs, size_t native_nfourccs,
				u32 *fourccs_out, size_t nfourccs_out);

#endif /* __LINUX_DRM_FORMAT_HELPER_H */

[-] drm_eld.h [edit]
[-] drm_bridge.h [edit]
[-] spsc_queue.h [edit]
[-] drm_gem_dma_helper.h [edit]
[-] drm_property.h [edit]
[-] drm_auth.h [edit]
[-] drm_mipi_dbi.h [edit]
[-] drm_mode_object.h [edit]
[-] drm_pciids.h [edit]
[+] ttm
[-] drm_privacy_screen_machine.h [edit]
[-] drm_fixed.h [edit]
[-] drm_fb_helper.h [edit]
[-] drm_gem_ttm_helper.h [edit]
[-] drm_pagemap.h [edit]
[-] drm_atomic_uapi.h [edit]
[-] drm_module.h [edit]
[+] display
[-] drm_encoder.h [edit]
[-] drm_file.h [edit]
[-] drm_connector.h [edit]
[-] drm_utils.h [edit]
[-] drm_suballoc.h [edit]
[+] intel
[-] drm_audio_component.h [edit]
[-] drm_prime.h [edit]
[-] drm_atomic_helper.h [edit]
[-] i915_pciids.h [edit]
[-] drm_mipi_dsi.h [edit]
[-] drm_writeback.h [edit]
[-] drm_gem_framebuffer_helper.h [edit]
[-] drm_lease.h [edit]
[-] drm_crtc_helper.h [edit]
[-] drm_client.h [edit]
[-] Makefile [edit]
[-] drm_vblank.h [edit]
[-] drm_format_helper.h [edit]
[-] drm_fb_dma_helper.h [edit]
[-] drm_mode_config.h [edit]
[-] drm_debugfs.h [edit]
[-] drm_print.h [edit]
[-] drm_client_event.h [edit]
[-] drm_panel.h [edit]
[-] drm_gem_shmem_helper.h [edit]
[-] drm_debugfs_crc.h [edit]
[-] drm_cache.h [edit]
[-] drm_sysfs.h [edit]
[+] clients
[-] drm_edid.h [edit]
[-] drm_modeset_helper.h [edit]
[-] drm_atomic_state_helper.h [edit]
[-] drm_ioctl.h [edit]
[-] drm_blend.h [edit]
[-] drm_gem_vram_helper.h [edit]
[-] drm_panic.h [edit]
[-] drm_plane_helper.h [edit]
[-] drm_fbdev_dma.h [edit]
[-] drm_bridge_connector.h [edit]
[-] drm_probe_helper.h [edit]
[-] drm_modeset_helper_vtables.h [edit]
[-] drm_device.h [edit]
[-] drm_exec.h [edit]
[-] drm_atomic.h [edit]
[-] gud.h [edit]
[-] drm_gem.h [edit]
[-] drm_gpuvm.h [edit]
[-] drm_mm.h [edit]
[-] drm_plane.h [edit]
[-] drm_gpusvm.h [edit]
[-] drm_simple_kms_helper.h [edit]
[-] drm_syncobj.h [edit]
[-] drm_gem_atomic_helper.h [edit]
[-] drm_fbdev_shmem.h [edit]
[-] drm_framebuffer.h [edit]
[-] drm_accel.h [edit]
[-] drm_self_refresh_helper.h [edit]
[-] amd_asic_type.h [edit]
[-] drm_privacy_screen_consumer.h [edit]
[-] gpu_scheduler.h [edit]
[-] drm_fbdev_ttm.h [edit]
[-] drm_managed.h [edit]
[-] task_barrier.h [edit]
[-] drm_fourcc.h [edit]
[-] drm_vblank_work.h [edit]
[-] drm_modes.h [edit]
[-] drm_vma_manager.h [edit]
[-] drm_buddy.h [edit]
[-] drm_of.h [edit]
[+] ..
[+] bridge
[-] drm_modeset_lock.h [edit]
[-] drm_rect.h [edit]
[-] drm_flip_work.h [edit]
[-] drm_util.h [edit]
[-] drm_damage_helper.h [edit]
[-] drm_drv.h [edit]
[-] drm_kunit_helpers.h [edit]
[-] drm_color_mgmt.h [edit]
[-] drm_crtc.h [edit]
[-] drm_privacy_screen_driver.h [edit]