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