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 <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 malidp_hw_device
*dev
;
34 struct drm_writeback_connector mw_connector
;
36 struct drm_pending_vblank_event
*event
;
37 atomic_t config_valid
;
39 #ifdef CONFIG_DEBUG_FS
40 struct malidp_error_stats de_errors
;
41 struct malidp_error_stats se_errors
;
42 /* Protects errors stats */
43 spinlock_t errors_lock
;
47 #define crtc_to_malidp_device(x) container_of(x, struct malidp_drm, crtc)
50 struct drm_plane base
;
51 struct malidp_hw_device
*hwdev
;
52 const struct malidp_layer
*layer
;
55 enum mmu_prefetch_mode
{
56 MALIDP_PREFETCH_MODE_NONE
,
57 MALIDP_PREFETCH_MODE_PARTIAL
,
58 MALIDP_PREFETCH_MODE_FULL
,
61 struct malidp_plane_state
{
62 struct drm_plane_state base
;
64 /* size of the required rotation memory if plane is rotated */
66 /* internal format ID */
69 enum mmu_prefetch_mode mmu_prefetch_mode
;
70 u32 mmu_prefetch_pgsize
;
73 #define to_malidp_plane(x) container_of(x, struct malidp_plane, base)
74 #define to_malidp_plane_state(x) container_of(x, struct malidp_plane_state, base)
76 struct malidp_crtc_state
{
77 struct drm_crtc_state base
;
78 u32 gamma_coeffs
[MALIDP_COEFFTAB_NUM_COEFFS
];
79 u32 coloradj_coeffs
[MALIDP_COLORADJ_NUM_COEFFS
];
80 struct malidp_se_config scaler_config
;
81 /* Bitfield of all the planes that have requested a scaled output. */
82 u8 scaled_planes_mask
;
85 #define to_malidp_crtc_state(x) container_of(x, struct malidp_crtc_state, base)
87 int malidp_de_planes_init(struct drm_device
*drm
);
88 int malidp_crtc_init(struct drm_device
*drm
);
90 bool malidp_hw_format_is_linear_only(u32 format
);
91 bool malidp_hw_format_is_afbc_only(u32 format
);
93 bool malidp_format_mod_supported(struct drm_device
*drm
,
94 u32 format
, u64 modifier
);
96 #ifdef CONFIG_DEBUG_FS
97 void malidp_error(struct malidp_drm
*malidp
,
98 struct malidp_error_stats
*error_stats
, u32 status
,
102 /* often used combination of rotational bits */
103 #define MALIDP_ROTATED_MASK (DRM_MODE_ROTATE_90 | DRM_MODE_ROTATE_270)
105 #endif /* __MALIDP_DRV_H__ */