linux - include/drm/drm_format

139 lines · 6.5 KiB

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	#include <linux/types.h>
10
11	struct drm_device;
12	struct drm_format_info;
13	struct drm_framebuffer;
14	struct drm_rect;
15
16	struct iosys_map;
17
18	/**
19	* struct drm_format_conv_state - Stores format-conversion state
20	*
21	* DRM helpers for format conversion store temporary state in
22	* struct drm_xfrm_buf. The buffer's resources can be reused
23	* among multiple conversion operations.
24	*
25	* All fields are considered private.
26	*/
27	struct drm_format_conv_state {
28	/* private: */
29	struct {
30	void *mem;
31	size_t size;
32	bool preallocated;
33	} tmp;
34	};
35
36	#define __DRM_FORMAT_CONV_STATE_INIT(_mem, _size, _preallocated) { \
37	.tmp = { \
38	.mem = (_mem), \
39	.size = (_size), \
40	.preallocated = (_preallocated), \
41	} \
42	}
43
44	/**
45	* DRM_FORMAT_CONV_STATE_INIT - Initializer for struct drm_format_conv_state
46	*
47	* Initializes an instance of struct drm_format_conv_state to default values.
48	*/
49	#define DRM_FORMAT_CONV_STATE_INIT \
50	__DRM_FORMAT_CONV_STATE_INIT(NULL, 0, false)
51
52	/**
53	* DRM_FORMAT_CONV_STATE_INIT_PREALLOCATED - Initializer for struct drm_format_conv_state
54	* @_mem: The preallocated memory area
55	* @_size: The number of bytes in _mem
56	*
57	* Initializes an instance of struct drm_format_conv_state to preallocated
58	* storage. The caller is responsible for releasing the provided memory range.
59	*/
60	#define DRM_FORMAT_CONV_STATE_INIT_PREALLOCATED(_mem, _size) \
61	__DRM_FORMAT_CONV_STATE_INIT(_mem, _size, true)
62
63	void drm_format_conv_state_init(struct drm_format_conv_state *state);
64	void drm_format_conv_state_copy(struct drm_format_conv_state *state,
65	const struct drm_format_conv_state *old_state);
66	void drm_format_conv_state_reserve(struct drm_format_conv_state state,
67	size_t new_size, gfp_t flags);
68	void drm_format_conv_state_release(struct drm_format_conv_state *state);
69
70	unsigned int drm_fb_clip_offset(unsigned int pitch, const struct drm_format_info *format,
71	const struct drm_rect *clip);
72
73	void drm_fb_memcpy(struct iosys_map dst, const unsigned int dst_pitch,
74	const struct iosys_map src, const struct drm_framebuffer fb,
75	const struct drm_rect *clip);
76	void drm_fb_swab(struct iosys_map dst, const unsigned int dst_pitch,
77	const struct iosys_map src, const struct drm_framebuffer fb,
78	const struct drm_rect *clip, bool cached,
79	struct drm_format_conv_state *state);
80	void drm_fb_xrgb8888_to_rgb332(struct iosys_map dst, const unsigned int dst_pitch,
81	const struct iosys_map src, const struct drm_framebuffer fb,
82	const struct drm_rect clip, struct drm_format_conv_state state);
83	void drm_fb_xrgb8888_to_rgb565(struct iosys_map dst, const unsigned int dst_pitch,
84	const struct iosys_map src, const struct drm_framebuffer fb,
85	const struct drm_rect clip, struct drm_format_conv_state state);
86	void drm_fb_xrgb8888_to_rgb565be(struct iosys_map dst, const unsigned int dst_pitch,
87	const struct iosys_map src, const struct drm_framebuffer fb,
88	const struct drm_rect clip, struct drm_format_conv_state state);
89	void drm_fb_xrgb8888_to_xrgb1555(struct iosys_map dst, const unsigned int dst_pitch,
90	const struct iosys_map src, const struct drm_framebuffer fb,
91	const struct drm_rect clip, struct drm_format_conv_state state);
92	void drm_fb_xrgb8888_to_argb1555(struct iosys_map dst, const unsigned int dst_pitch,
93	const struct iosys_map src, const struct drm_framebuffer fb,
94	const struct drm_rect clip, struct drm_format_conv_state state);
95	void drm_fb_xrgb8888_to_rgba5551(struct iosys_map dst, const unsigned int dst_pitch,
96	const struct iosys_map src, const struct drm_framebuffer fb,
97	const struct drm_rect clip, struct drm_format_conv_state state);
98	void drm_fb_xrgb8888_to_rgb888(struct iosys_map dst, const unsigned int dst_pitch,
99	const struct iosys_map src, const struct drm_framebuffer fb,
100	const struct drm_rect clip, struct drm_format_conv_state state);
101	void drm_fb_xrgb8888_to_bgr888(struct iosys_map dst, const unsigned int dst_pitch,
102	const struct iosys_map src, const struct drm_framebuffer fb,
103	const struct drm_rect clip, struct drm_format_conv_state state);
104	void drm_fb_xrgb8888_to_argb8888(struct iosys_map dst, const unsigned int dst_pitch,
105	const struct iosys_map src, const struct drm_framebuffer fb,
106	const struct drm_rect clip, struct drm_format_conv_state state);
107	void drm_fb_xrgb8888_to_abgr8888(struct iosys_map dst, const unsigned int dst_pitch,
108	const struct iosys_map src, const struct drm_framebuffer fb,
109	const struct drm_rect clip, struct drm_format_conv_state state);
110	void drm_fb_xrgb8888_to_xbgr8888(struct iosys_map dst, const unsigned int dst_pitch,
111	const struct iosys_map src, const struct drm_framebuffer fb,
112	const struct drm_rect clip, struct drm_format_conv_state state);
113	void drm_fb_xrgb8888_to_bgrx8888(struct iosys_map dst, const unsigned int dst_pitch,
114	const struct iosys_map src, const struct drm_framebuffer fb,
115	const struct drm_rect clip, struct drm_format_conv_state state);
116	void drm_fb_xrgb8888_to_xrgb2101010(struct iosys_map dst, const unsigned int dst_pitch,
117	const struct iosys_map src, const struct drm_framebuffer fb,
118	const struct drm_rect *clip,
119	struct drm_format_conv_state *state);
120	void drm_fb_xrgb8888_to_argb2101010(struct iosys_map dst, const unsigned int dst_pitch,
121	const struct iosys_map src, const struct drm_framebuffer fb,
122	const struct drm_rect *clip,
123	struct drm_format_conv_state *state);
124	void drm_fb_xrgb8888_to_gray8(struct iosys_map dst, const unsigned int dst_pitch,
125	const struct iosys_map src, const struct drm_framebuffer fb,
126	const struct drm_rect clip, struct drm_format_conv_state state);
127	void drm_fb_argb8888_to_argb4444(struct iosys_map dst, const unsigned int dst_pitch,
128	const struct iosys_map src, const struct drm_framebuffer fb,
129	const struct drm_rect clip, struct drm_format_conv_state state);
130
131	void drm_fb_xrgb8888_to_mono(struct iosys_map dst, const unsigned int dst_pitch,
132	const struct iosys_map src, const struct drm_framebuffer fb,
133	const struct drm_rect clip, struct drm_format_conv_state state);
134
135	void drm_fb_xrgb8888_to_gray2(struct iosys_map dst, const unsigned int dst_pitch,
136	const struct iosys_map src, const struct drm_framebuffer fb,
137	const struct drm_rect clip, struct drm_format_conv_state state);
138
139	#endif /* __LINUX_DRM_FORMAT_HELPER_H */