xref: /openbmc/linux/drivers/gpu/drm/arm/malidp_drv.h (revision 293d5b43)
1 /*
2  * (C) COPYRIGHT 2016 ARM Limited. All rights reserved.
3  * Author: Liviu Dudau <Liviu.Dudau@arm.com>
4  *
5  * This program is free software and is provided to you under the terms of the
6  * GNU General Public License version 2 as published by the Free Software
7  * Foundation, and any use by you of this program is subject to the terms
8  * of such GNU licence.
9  *
10  * ARM Mali DP500/DP550/DP650 KMS/DRM driver structures
11  */
12 
13 #ifndef __MALIDP_DRV_H__
14 #define __MALIDP_DRV_H__
15 
16 #include <linux/mutex.h>
17 #include <linux/wait.h>
18 #include "malidp_hw.h"
19 
20 struct malidp_drm {
21 	struct malidp_hw_device *dev;
22 	struct drm_fbdev_cma *fbdev;
23 	struct list_head event_list;
24 	struct drm_crtc crtc;
25 	wait_queue_head_t wq;
26 	atomic_t config_valid;
27 };
28 
29 #define crtc_to_malidp_device(x) container_of(x, struct malidp_drm, crtc)
30 
31 struct malidp_plane {
32 	struct drm_plane base;
33 	struct malidp_hw_device *hwdev;
34 	const struct malidp_layer *layer;
35 };
36 
37 struct malidp_plane_state {
38 	struct drm_plane_state base;
39 
40 	/* size of the required rotation memory if plane is rotated */
41 	u32 rotmem_size;
42 };
43 
44 #define to_malidp_plane(x) container_of(x, struct malidp_plane, base)
45 #define to_malidp_plane_state(x) container_of(x, struct malidp_plane_state, base)
46 
47 int malidp_de_planes_init(struct drm_device *drm);
48 void malidp_de_planes_destroy(struct drm_device *drm);
49 int malidp_crtc_init(struct drm_device *drm);
50 
51 /* often used combination of rotational bits */
52 #define MALIDP_ROTATED_MASK	(BIT(DRM_ROTATE_90) | BIT(DRM_ROTATE_270))
53 
54 #endif  /* __MALIDP_DRV_H__ */
55