xref: /openbmc/linux/drivers/gpu/drm/arm/malidp_drv.h (revision a48c7709)
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 <drm/drmP.h>
19 #include "malidp_hw.h"
20 
21 struct malidp_drm {
22 	struct malidp_hw_device *dev;
23 	struct drm_crtc crtc;
24 	wait_queue_head_t wq;
25 	struct drm_pending_vblank_event *event;
26 	atomic_t config_valid;
27 	u32 core_id;
28 };
29 
30 #define crtc_to_malidp_device(x) container_of(x, struct malidp_drm, crtc)
31 
32 struct malidp_plane {
33 	struct drm_plane base;
34 	struct malidp_hw_device *hwdev;
35 	const struct malidp_layer *layer;
36 };
37 
38 struct malidp_plane_state {
39 	struct drm_plane_state base;
40 
41 	/* size of the required rotation memory if plane is rotated */
42 	u32 rotmem_size;
43 	/* internal format ID */
44 	u8 format;
45 	u8 n_planes;
46 };
47 
48 #define to_malidp_plane(x) container_of(x, struct malidp_plane, base)
49 #define to_malidp_plane_state(x) container_of(x, struct malidp_plane_state, base)
50 
51 struct malidp_crtc_state {
52 	struct drm_crtc_state base;
53 	u32 gamma_coeffs[MALIDP_COEFFTAB_NUM_COEFFS];
54 	u32 coloradj_coeffs[MALIDP_COLORADJ_NUM_COEFFS];
55 	struct malidp_se_config scaler_config;
56 	/* Bitfield of all the planes that have requested a scaled output. */
57 	u8 scaled_planes_mask;
58 };
59 
60 #define to_malidp_crtc_state(x) container_of(x, struct malidp_crtc_state, base)
61 
62 int malidp_de_planes_init(struct drm_device *drm);
63 int malidp_crtc_init(struct drm_device *drm);
64 
65 /* often used combination of rotational bits */
66 #define MALIDP_ROTATED_MASK	(DRM_MODE_ROTATE_90 | DRM_MODE_ROTATE_270)
67 
68 #endif  /* __MALIDP_DRV_H__ */
69