tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
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 <drm/drm_writeback.h>
17#include <drm/drm_encoder.h>
18#include <linux/mutex.h>
19#include <linux/wait.h>
20#include <linux/spinlock.h>
21#include <drm/drmP.h>
22#include "malidp_hw.h"
23
24#define MALIDP_CONFIG_VALID_INIT 0
25#define MALIDP_CONFIG_VALID_DONE 1
26#define MALIDP_CONFIG_START 0xd0
27
28struct malidp_error_stats {
29 s32 num_errors;
30 u32 last_error_status;
31 s64 last_error_vblank;
32};
33
34struct malidp_drm {
35 struct malidp_hw_device *dev;
36 struct drm_crtc crtc;
37 struct drm_writeback_connector mw_connector;
38 wait_queue_head_t wq;
39 struct drm_pending_vblank_event *event;
40 atomic_t config_valid;
41 u32 core_id;
42#ifdef CONFIG_DEBUG_FS
43 struct malidp_error_stats de_errors;
44 struct malidp_error_stats se_errors;
45 /* Protects errors stats */
46 spinlock_t errors_lock;
47#endif
48};
49
50#define crtc_to_malidp_device(x) container_of(x, struct malidp_drm, crtc)
51
52struct malidp_plane {
53 struct drm_plane base;
54 struct malidp_hw_device *hwdev;
55 const struct malidp_layer *layer;
56};
57
58struct malidp_plane_state {
59 struct drm_plane_state base;
60
61 /* size of the required rotation memory if plane is rotated */
62 u32 rotmem_size;
63 /* internal format ID */
64 u8 format;
65 u8 n_planes;
66};
67
68#define to_malidp_plane(x) container_of(x, struct malidp_plane, base)
69#define to_malidp_plane_state(x) container_of(x, struct malidp_plane_state, base)
70
71struct malidp_crtc_state {
72 struct drm_crtc_state base;
73 u32 gamma_coeffs[MALIDP_COEFFTAB_NUM_COEFFS];
74 u32 coloradj_coeffs[MALIDP_COLORADJ_NUM_COEFFS];
75 struct malidp_se_config scaler_config;
76 /* Bitfield of all the planes that have requested a scaled output. */
77 u8 scaled_planes_mask;
78};
79
80#define to_malidp_crtc_state(x) container_of(x, struct malidp_crtc_state, base)
81
82int malidp_de_planes_init(struct drm_device *drm);
83int malidp_crtc_init(struct drm_device *drm);
84
85#ifdef CONFIG_DEBUG_FS
86void malidp_error(struct malidp_drm *malidp,
87 struct malidp_error_stats *error_stats, u32 status,
88 u64 vblank);
89#endif
90
91/* often used combination of rotational bits */
92#define MALIDP_ROTATED_MASK (DRM_MODE_ROTATE_90 | DRM_MODE_ROTATE_270)
93
94#endif /* __MALIDP_DRV_H__ */