Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
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linux
1/*
2 * Copyright (C) 2016 Noralf Trønnes
3 *
4 * This program is free software; you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License as published by
6 * the Free Software Foundation; either version 2 of the License, or
7 * (at your option) any later version.
8 */
9
10#ifndef __LINUX_TINYDRM_H
11#define __LINUX_TINYDRM_H
12
13#include <drm/drm_simple_kms_helper.h>
14
15struct drm_driver;
16
17/**
18 * struct tinydrm_device - tinydrm device
19 */
20struct tinydrm_device {
21 /**
22 * @drm: DRM device
23 */
24 struct drm_device *drm;
25
26 /**
27 * @pipe: Display pipe structure
28 */
29 struct drm_simple_display_pipe pipe;
30};
31
32static inline struct tinydrm_device *
33pipe_to_tinydrm(struct drm_simple_display_pipe *pipe)
34{
35 return container_of(pipe, struct tinydrm_device, pipe);
36}
37
38/**
39 * TINYDRM_MODE - tinydrm display mode
40 * @hd: Horizontal resolution, width
41 * @vd: Vertical resolution, height
42 * @hd_mm: Display width in millimeters
43 * @vd_mm: Display height in millimeters
44 *
45 * This macro creates a &drm_display_mode for use with tinydrm.
46 */
47#define TINYDRM_MODE(hd, vd, hd_mm, vd_mm) \
48 .hdisplay = (hd), \
49 .hsync_start = (hd), \
50 .hsync_end = (hd), \
51 .htotal = (hd), \
52 .vdisplay = (vd), \
53 .vsync_start = (vd), \
54 .vsync_end = (vd), \
55 .vtotal = (vd), \
56 .width_mm = (hd_mm), \
57 .height_mm = (vd_mm), \
58 .type = DRM_MODE_TYPE_DRIVER, \
59 .clock = 1 /* pass validation */
60
61int devm_tinydrm_init(struct device *parent, struct tinydrm_device *tdev,
62 struct drm_driver *driver);
63int devm_tinydrm_register(struct tinydrm_device *tdev);
64void tinydrm_shutdown(struct tinydrm_device *tdev);
65
66int
67tinydrm_display_pipe_init(struct tinydrm_device *tdev,
68 const struct drm_simple_display_pipe_funcs *funcs,
69 int connector_type,
70 const uint32_t *formats,
71 unsigned int format_count,
72 const struct drm_display_mode *mode,
73 unsigned int rotation);
74
75#endif /* __LINUX_TINYDRM_H */