1 /* SPDX-License-Identifier: GPL-2.0-only */
3 * (C) COPYRIGHT 2016 ARM Limited. All rights reserved.
6 * ARM Mali DP500/DP550/DP650 KMS/DRM driver structures
9 #ifndef __MALIDP_DRV_H__
10 #define __MALIDP_DRV_H__
12 #include <linux/mutex.h>
13 #include <linux/wait.h>
14 #include <linux/spinlock.h>
16 #include <drm/drm_writeback.h>
17 #include <drm/drm_encoder.h>
19 #include "malidp_hw.h"
21 #define MALIDP_CONFIG_VALID_INIT 0
22 #define MALIDP_CONFIG_VALID_DONE 1
23 #define MALIDP_CONFIG_START 0xd0
25 struct malidp_error_stats {
27 u32 last_error_status;
28 s64 last_error_vblank;
32 struct drm_device base;
33 struct malidp_hw_device *dev;
35 struct drm_writeback_connector mw_connector;
37 struct drm_pending_vblank_event *event;
38 atomic_t config_valid;
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;
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)
52 struct drm_plane base;
53 struct malidp_hw_device *hwdev;
54 const struct malidp_layer *layer;
57 enum mmu_prefetch_mode {
58 MALIDP_PREFETCH_MODE_NONE,
59 MALIDP_PREFETCH_MODE_PARTIAL,
60 MALIDP_PREFETCH_MODE_FULL,
63 struct malidp_plane_state {
64 struct drm_plane_state base;
66 /* size of the required rotation memory if plane is rotated */
68 /* internal format ID */
71 enum mmu_prefetch_mode mmu_prefetch_mode;
72 u32 mmu_prefetch_pgsize;
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)
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;
87 #define to_malidp_crtc_state(x) container_of(x, struct malidp_crtc_state, base)
89 int malidp_de_planes_init(struct drm_device *drm);
90 int malidp_crtc_init(struct drm_device *drm);
92 bool malidp_hw_format_is_linear_only(u32 format);
93 bool malidp_hw_format_is_afbc_only(u32 format);
95 bool malidp_format_mod_supported(struct drm_device *drm,
96 u32 format, u64 modifier);
98 #ifdef CONFIG_DEBUG_FS
99 void malidp_error(struct malidp_drm *malidp,
100 struct malidp_error_stats *error_stats, u32 status,
104 /* often used combination of rotational bits */
105 #define MALIDP_ROTATED_MASK (DRM_MODE_ROTATE_90 | DRM_MODE_ROTATE_270)
107 #endif /* __MALIDP_DRV_H__ */