tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
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linux
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
21struct 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
33struct malidp_plane {
34 struct drm_plane base;
35 struct malidp_hw_device *hwdev;
36 const struct malidp_layer *layer;
37};
38
39struct 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
52struct 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
63int malidp_de_planes_init(struct drm_device *drm);
64void malidp_de_planes_destroy(struct drm_device *drm);
65int malidp_crtc_init(struct drm_device *drm);
66
67/* often used combination of rotational bits */
68#define MALIDP_ROTATED_MASK (DRM_MODE_ROTATE_90 | DRM_MODE_ROTATE_270)
69
70#endif /* __MALIDP_DRV_H__ */