1 /* SPDX-License-Identifier: GPL-2.0 */
3 * (C) COPYRIGHT 2018 ARM Limited. All rights reserved.
4 * Author: James.Qian.Wang <james.qian.wang@arm.com>
10 #include <drm/drm_atomic.h>
11 #include <drm/drm_atomic_helper.h>
12 #include <drm/drm_crtc_helper.h>
13 #include <drm/drm_device.h>
14 #include <drm/drm_writeback.h>
15 #include <video/videomode.h>
16 #include <video/display_timing.h>
18 /** struct komeda_plane - komeda instance of drm_plane */
20 /** @base: &drm_plane */
21 struct drm_plane base;
25 * represents available layer input pipelines for this plane.
28 * the layer is not for a specific Layer, but indicate a group of
29 * Layers with same capabilities.
31 struct komeda_layer *layer;
35 * struct komeda_plane_state
37 * The plane_state can be split into two data flow (left/right) and handled
38 * by two layers &komeda_plane.layer and &komeda_plane.layer.right
40 struct komeda_plane_state {
41 /** @base: &drm_plane_state */
42 struct drm_plane_state base;
44 /* private properties */
48 * struct komeda_wb_connector
50 struct komeda_wb_connector {
51 /** @base: &drm_writeback_connector */
52 struct drm_writeback_connector base;
54 /** @wb_layer: represents associated writeback pipeline of komeda */
55 struct komeda_layer *wb_layer;
62 /** @base: &drm_crtc */
64 /** @master: only master has display output */
65 struct komeda_pipeline *master;
69 * Doesn't have its own display output, the handled data flow will
70 * merge into the master.
72 struct komeda_pipeline *slave;
75 /** struct komeda_crtc_state */
76 struct komeda_crtc_state {
77 /** @base: &drm_crtc_state */
78 struct drm_crtc_state base;
80 /* private properties */
82 /* computed state which are used by validate/check */
87 /** struct komeda_kms_dev - for gather KMS related things */
88 struct komeda_kms_dev {
89 /** @base: &drm_device */
90 struct drm_device base;
92 /** @n_crtcs: valid numbers of crtcs in &komeda_kms_dev.crtcs */
94 /** @crtcs: crtcs list */
95 struct komeda_crtc crtcs[KOMEDA_MAX_PIPELINES];
98 #define to_kplane(p) container_of(p, struct komeda_plane, base)
99 #define to_kplane_st(p) container_of(p, struct komeda_plane_state, base)
100 #define to_kconn(p) container_of(p, struct komeda_wb_connector, base)
101 #define to_kcrtc(p) container_of(p, struct komeda_crtc, base)
102 #define to_kcrtc_st(p) container_of(p, struct komeda_crtc_state, base)
103 #define to_kdev(p) container_of(p, struct komeda_kms_dev, base)
105 int komeda_kms_setup_crtcs(struct komeda_kms_dev *kms, struct komeda_dev *mdev);
107 int komeda_kms_add_crtcs(struct komeda_kms_dev *kms, struct komeda_dev *mdev);
108 int komeda_kms_add_planes(struct komeda_kms_dev *kms, struct komeda_dev *mdev);
109 int komeda_kms_add_private_objs(struct komeda_kms_dev *kms,
110 struct komeda_dev *mdev);
111 void komeda_kms_cleanup_private_objs(struct komeda_dev *mdev);
113 struct komeda_kms_dev *komeda_kms_attach(struct komeda_dev *mdev);
114 void komeda_kms_detach(struct komeda_kms_dev *kms);
116 #endif /*_KOMEDA_KMS_H_*/