1 | /* SPDX-License-Identifier: GPL-2.0-only */ |
2 | /* |
3 | * (C) COPYRIGHT 2016 ARM Limited. All rights reserved. |
4 | * Author: Liviu Dudau <Liviu.Dudau@arm.com> |
5 | * |
6 | * ARM Mali DP500/DP550/DP650 KMS/DRM driver structures |
7 | */ |
8 | |
9 | #ifndef __MALIDP_DRV_H__ |
10 | #define __MALIDP_DRV_H__ |
11 | |
12 | #include <linux/mutex.h> |
13 | #include <linux/wait.h> |
14 | #include <linux/spinlock.h> |
15 | |
16 | #include <drm/drm_writeback.h> |
17 | #include <drm/drm_encoder.h> |
18 | |
19 | #include "malidp_hw.h" |
20 | |
21 | #define MALIDP_CONFIG_VALID_INIT 0 |
22 | #define MALIDP_CONFIG_VALID_DONE 1 |
23 | #define MALIDP_CONFIG_START 0xd0 |
24 | |
25 | struct malidp_error_stats { |
26 | s32 num_errors; |
27 | u32 last_error_status; |
28 | s64 last_error_vblank; |
29 | }; |
30 | |
31 | struct malidp_drm { |
32 | struct drm_device base; |
33 | struct malidp_hw_device *dev; |
34 | struct drm_crtc crtc; |
35 | struct drm_writeback_connector mw_connector; |
36 | wait_queue_head_t wq; |
37 | struct drm_pending_vblank_event *event; |
38 | atomic_t config_valid; |
39 | u32 core_id; |
40 | #ifdef CONFIG_DEBUG_FS |
41 | struct malidp_error_stats de_errors; |
42 | struct malidp_error_stats se_errors; |
43 | /* Protects errors stats */ |
44 | spinlock_t errors_lock; |
45 | #endif |
46 | }; |
47 | |
48 | #define drm_to_malidp(x) container_of(x, struct malidp_drm, base) |
49 | #define crtc_to_malidp_device(x) container_of(x, struct malidp_drm, crtc) |
50 | |
51 | struct malidp_plane { |
52 | struct drm_plane base; |
53 | struct malidp_hw_device *hwdev; |
54 | const struct malidp_layer *layer; |
55 | }; |
56 | |
57 | enum mmu_prefetch_mode { |
58 | MALIDP_PREFETCH_MODE_NONE, |
59 | MALIDP_PREFETCH_MODE_PARTIAL, |
60 | MALIDP_PREFETCH_MODE_FULL, |
61 | }; |
62 | |
63 | struct malidp_plane_state { |
64 | struct drm_plane_state base; |
65 | |
66 | /* size of the required rotation memory if plane is rotated */ |
67 | u32 rotmem_size; |
68 | /* internal format ID */ |
69 | u8 format; |
70 | u8 n_planes; |
71 | enum mmu_prefetch_mode mmu_prefetch_mode; |
72 | u32 mmu_prefetch_pgsize; |
73 | }; |
74 | |
75 | #define to_malidp_plane(x) container_of(x, struct malidp_plane, base) |
76 | #define to_malidp_plane_state(x) container_of(x, struct malidp_plane_state, base) |
77 | |
78 | struct malidp_crtc_state { |
79 | struct drm_crtc_state base; |
80 | u32 gamma_coeffs[MALIDP_COEFFTAB_NUM_COEFFS]; |
81 | u32 coloradj_coeffs[MALIDP_COLORADJ_NUM_COEFFS]; |
82 | struct malidp_se_config scaler_config; |
83 | /* Bitfield of all the planes that have requested a scaled output. */ |
84 | u8 scaled_planes_mask; |
85 | }; |
86 | |
87 | #define to_malidp_crtc_state(x) container_of(x, struct malidp_crtc_state, base) |
88 | |
89 | int malidp_de_planes_init(struct drm_device *drm); |
90 | int malidp_crtc_init(struct drm_device *drm); |
91 | |
92 | bool malidp_hw_format_is_linear_only(u32 format); |
93 | bool malidp_hw_format_is_afbc_only(u32 format); |
94 | |
95 | bool malidp_format_mod_supported(struct drm_device *drm, |
96 | u32 format, u64 modifier); |
97 | |
98 | #ifdef CONFIG_DEBUG_FS |
99 | void malidp_error(struct malidp_drm *malidp, |
100 | struct malidp_error_stats *error_stats, u32 status, |
101 | u64 vblank); |
102 | #endif |
103 | |
104 | /* often used combination of rotational bits */ |
105 | #define MALIDP_ROTATED_MASK (DRM_MODE_ROTATE_90 | DRM_MODE_ROTATE_270) |
106 | |
107 | #endif /* __MALIDP_DRV_H__ */ |
108 | |