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authorDaniel Vetter <daniel.vetter@ffwll.ch>2017-02-26 15:34:42 -0500
committerDaniel Vetter <daniel.vetter@ffwll.ch>2017-02-26 15:34:42 -0500
commit8e22e1b3499a446df48c2b26667ca36c55bf864c (patch)
tree5329f98b3eb3c95a9dcbab0fa4f9b6e62f0e788d /include/drm/tinydrm/tinydrm.h
parent00d3c14f14d51babd8aeafd5fa734ccf04f5ca3d (diff)
parent64a577196d66b44e37384bc5c4d78c61f59d5b2a (diff)
Merge airlied/drm-next into drm-misc-next
Backmerge the main pull request to sync up with all the newly landed drivers. Otherwise we'll have chaos even before 4.12 started in earnest. Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
Diffstat (limited to 'include/drm/tinydrm/tinydrm.h')
-rw-r--r--include/drm/tinydrm/tinydrm.h115
1 files changed, 115 insertions, 0 deletions
diff --git a/include/drm/tinydrm/tinydrm.h b/include/drm/tinydrm/tinydrm.h
new file mode 100644
index 000000000000..cf9ca207b8b1
--- /dev/null
+++ b/include/drm/tinydrm/tinydrm.h
@@ -0,0 +1,115 @@
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_gem_cma_helper.h>
14#include <drm/drm_fb_cma_helper.h>
15#include <drm/drm_simple_kms_helper.h>
16
17/**
18 * struct tinydrm_device - tinydrm device
19 * @drm: DRM device
20 * @pipe: Display pipe structure
21 * @dirty_lock: Serializes framebuffer flushing
22 * @fbdev_cma: CMA fbdev structure
23 * @suspend_state: Atomic state when suspended
24 * @fb_funcs: Framebuffer functions used when creating framebuffers
25 */
26struct tinydrm_device {
27 struct drm_device *drm;
28 struct drm_simple_display_pipe pipe;
29 struct mutex dirty_lock;
30 struct drm_fbdev_cma *fbdev_cma;
31 struct drm_atomic_state *suspend_state;
32 const struct drm_framebuffer_funcs *fb_funcs;
33};
34
35static inline struct tinydrm_device *
36pipe_to_tinydrm(struct drm_simple_display_pipe *pipe)
37{
38 return container_of(pipe, struct tinydrm_device, pipe);
39}
40
41/**
42 * TINYDRM_GEM_DRIVER_OPS - default tinydrm gem operations
43 *
44 * This macro provides a shortcut for setting the tinydrm GEM operations in
45 * the &drm_driver structure.
46 */
47#define TINYDRM_GEM_DRIVER_OPS \
48 .gem_free_object = tinydrm_gem_cma_free_object, \
49 .gem_vm_ops = &drm_gem_cma_vm_ops, \
50 .prime_handle_to_fd = drm_gem_prime_handle_to_fd, \
51 .prime_fd_to_handle = drm_gem_prime_fd_to_handle, \
52 .gem_prime_import = drm_gem_prime_import, \
53 .gem_prime_export = drm_gem_prime_export, \
54 .gem_prime_get_sg_table = drm_gem_cma_prime_get_sg_table, \
55 .gem_prime_import_sg_table = tinydrm_gem_cma_prime_import_sg_table, \
56 .gem_prime_vmap = drm_gem_cma_prime_vmap, \
57 .gem_prime_vunmap = drm_gem_cma_prime_vunmap, \
58 .gem_prime_mmap = drm_gem_cma_prime_mmap, \
59 .dumb_create = drm_gem_cma_dumb_create, \
60 .dumb_map_offset = drm_gem_cma_dumb_map_offset, \
61 .dumb_destroy = drm_gem_dumb_destroy, \
62 .fops = &tinydrm_fops
63
64/**
65 * TINYDRM_MODE - tinydrm display mode
66 * @hd: Horizontal resolution, width
67 * @vd: Vertical resolution, height
68 * @hd_mm: Display width in millimeters
69 * @vd_mm: Display height in millimeters
70 *
71 * This macro creates a &drm_display_mode for use with tinydrm.
72 */
73#define TINYDRM_MODE(hd, vd, hd_mm, vd_mm) \
74 .hdisplay = (hd), \
75 .hsync_start = (hd), \
76 .hsync_end = (hd), \
77 .htotal = (hd), \
78 .vdisplay = (vd), \
79 .vsync_start = (vd), \
80 .vsync_end = (vd), \
81 .vtotal = (vd), \
82 .width_mm = (hd_mm), \
83 .height_mm = (vd_mm), \
84 .type = DRM_MODE_TYPE_DRIVER, \
85 .clock = 1 /* pass validation */
86
87extern const struct file_operations tinydrm_fops;
88void tinydrm_lastclose(struct drm_device *drm);
89void tinydrm_gem_cma_free_object(struct drm_gem_object *gem_obj);
90struct drm_gem_object *
91tinydrm_gem_cma_prime_import_sg_table(struct drm_device *drm,
92 struct dma_buf_attachment *attach,
93 struct sg_table *sgt);
94int devm_tinydrm_init(struct device *parent, struct tinydrm_device *tdev,
95 const struct drm_framebuffer_funcs *fb_funcs,
96 struct drm_driver *driver);
97int devm_tinydrm_register(struct tinydrm_device *tdev);
98void tinydrm_shutdown(struct tinydrm_device *tdev);
99int tinydrm_suspend(struct tinydrm_device *tdev);
100int tinydrm_resume(struct tinydrm_device *tdev);
101
102void tinydrm_display_pipe_update(struct drm_simple_display_pipe *pipe,
103 struct drm_plane_state *old_state);
104int tinydrm_display_pipe_prepare_fb(struct drm_simple_display_pipe *pipe,
105 struct drm_plane_state *plane_state);
106int
107tinydrm_display_pipe_init(struct tinydrm_device *tdev,
108 const struct drm_simple_display_pipe_funcs *funcs,
109 int connector_type,
110 const uint32_t *formats,
111 unsigned int format_count,
112 const struct drm_display_mode *mode,
113 unsigned int rotation);
114
115#endif /* __LINUX_TINYDRM_H */