xref: /openbmc/linux/drivers/gpu/drm/arm/malidp_drv.h (revision ec33fbd5)
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_fbdev_cma *fbdev;
24 	struct drm_crtc crtc;
25 	wait_queue_head_t wq;
26 	atomic_t config_valid;
27 	struct drm_atomic_state *pm_state;
28 	u32 core_id;
29 };
30 
31 #define crtc_to_malidp_device(x) container_of(x, struct malidp_drm, crtc)
32 
33 struct malidp_plane {
34 	struct drm_plane base;
35 	struct malidp_hw_device *hwdev;
36 	const struct malidp_layer *layer;
37 };
38 
39 struct malidp_plane_state {
40 	struct drm_plane_state base;
41 
42 	/* size of the required rotation memory if plane is rotated */
43 	u32 rotmem_size;
44 	/* internal format ID */
45 	u8 format;
46 	u8 n_planes;
47 };
48 
49 #define to_malidp_plane(x) container_of(x, struct malidp_plane, base)
50 #define to_malidp_plane_state(x) container_of(x, struct malidp_plane_state, base)
51 
52 struct malidp_crtc_state {
53 	struct drm_crtc_state base;
54 	u32 gamma_coeffs[MALIDP_COEFFTAB_NUM_COEFFS];
55 	u32 coloradj_coeffs[MALIDP_COLORADJ_NUM_COEFFS];
56 	struct malidp_se_config scaler_config;
57 	/* Bitfield of all the planes that have requested a scaled output. */
58 	u8 scaled_planes_mask;
59 };
60 
61 #define to_malidp_crtc_state(x) container_of(x, struct malidp_crtc_state, base)
62 
63 int malidp_de_planes_init(struct drm_device *drm);
64 void malidp_de_planes_destroy(struct drm_device *drm);
65 int malidp_crtc_init(struct drm_device *drm);
66 
67 /* often used combination of rotational bits */
68 #define MALIDP_ROTATED_MASK	(DRM_ROTATE_90 | DRM_ROTATE_270)
69 
70 #endif  /* __MALIDP_DRV_H__ */
71