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- /* SPDX-License-Identifier: GPL-2.0-only */
- /*
- * (C) COPYRIGHT 2016 ARM Limited. All rights reserved.
- * Author: Liviu Dudau <Liviu.Dudau@arm.com>
- *
- * ARM Mali DP500/DP550/DP650 KMS/DRM driver structures
- */
- #ifndef __MALIDP_DRV_H__
- #define __MALIDP_DRV_H__
- #include <linux/mutex.h>
- #include <linux/wait.h>
- #include <linux/spinlock.h>
- #include <drm/drm_writeback.h>
- #include <drm/drm_encoder.h>
- #include "malidp_hw.h"
- #define MALIDP_CONFIG_VALID_INIT 0
- #define MALIDP_CONFIG_VALID_DONE 1
- #define MALIDP_CONFIG_START 0xd0
- struct malidp_error_stats {
- s32 num_errors;
- u32 last_error_status;
- s64 last_error_vblank;
- };
- struct malidp_drm {
- struct malidp_hw_device *dev;
- struct drm_crtc crtc;
- struct drm_writeback_connector mw_connector;
- wait_queue_head_t wq;
- struct drm_pending_vblank_event *event;
- atomic_t config_valid;
- u32 core_id;
- #ifdef CONFIG_DEBUG_FS
- struct malidp_error_stats de_errors;
- struct malidp_error_stats se_errors;
- /* Protects errors stats */
- spinlock_t errors_lock;
- #endif
- };
- #define crtc_to_malidp_device(x) container_of(x, struct malidp_drm, crtc)
- struct malidp_plane {
- struct drm_plane base;
- struct malidp_hw_device *hwdev;
- const struct malidp_layer *layer;
- };
- enum mmu_prefetch_mode {
- MALIDP_PREFETCH_MODE_NONE,
- MALIDP_PREFETCH_MODE_PARTIAL,
- MALIDP_PREFETCH_MODE_FULL,
- };
- struct malidp_plane_state {
- struct drm_plane_state base;
- /* size of the required rotation memory if plane is rotated */
- u32 rotmem_size;
- /* internal format ID */
- u8 format;
- u8 n_planes;
- enum mmu_prefetch_mode mmu_prefetch_mode;
- u32 mmu_prefetch_pgsize;
- };
- #define to_malidp_plane(x) container_of(x, struct malidp_plane, base)
- #define to_malidp_plane_state(x) container_of(x, struct malidp_plane_state, base)
- struct malidp_crtc_state {
- struct drm_crtc_state base;
- u32 gamma_coeffs[MALIDP_COEFFTAB_NUM_COEFFS];
- u32 coloradj_coeffs[MALIDP_COLORADJ_NUM_COEFFS];
- struct malidp_se_config scaler_config;
- /* Bitfield of all the planes that have requested a scaled output. */
- u8 scaled_planes_mask;
- };
- #define to_malidp_crtc_state(x) container_of(x, struct malidp_crtc_state, base)
- int malidp_de_planes_init(struct drm_device *drm);
- int malidp_crtc_init(struct drm_device *drm);
- bool malidp_hw_format_is_linear_only(u32 format);
- bool malidp_hw_format_is_afbc_only(u32 format);
- bool malidp_format_mod_supported(struct drm_device *drm,
- u32 format, u64 modifier);
- #ifdef CONFIG_DEBUG_FS
- void malidp_error(struct malidp_drm *malidp,
- struct malidp_error_stats *error_stats, u32 status,
- u64 vblank);
- #endif
- /* often used combination of rotational bits */
- #define MALIDP_ROTATED_MASK (DRM_MODE_ROTATE_90 | DRM_MODE_ROTATE_270)
- #endif /* __MALIDP_DRV_H__ */
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