108 lines · c
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 structures7 */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 022#define MALIDP_CONFIG_VALID_DONE 123#define MALIDP_CONFIG_START 0xd024 25struct malidp_error_stats {26 s32 num_errors;27 u32 last_error_status;28 s64 last_error_vblank;29};30 31struct 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_FS41 struct malidp_error_stats de_errors;42 struct malidp_error_stats se_errors;43 /* Protects errors stats */44 spinlock_t errors_lock;45#endif46};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 51struct malidp_plane {52 struct drm_plane base;53 struct malidp_hw_device *hwdev;54 const struct malidp_layer *layer;55};56 57enum mmu_prefetch_mode {58 MALIDP_PREFETCH_MODE_NONE,59 MALIDP_PREFETCH_MODE_PARTIAL,60 MALIDP_PREFETCH_MODE_FULL,61};62 63struct 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 78struct 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 89int malidp_de_planes_init(struct drm_device *drm);90int malidp_crtc_init(struct drm_device *drm);91 92bool malidp_hw_format_is_linear_only(u32 format);93bool malidp_hw_format_is_afbc_only(u32 format);94 95bool malidp_format_mod_supported(struct drm_device *drm,96 u32 format, u64 modifier);97 98#ifdef CONFIG_DEBUG_FS99void malidp_error(struct malidp_drm *malidp,100 struct malidp_error_stats *error_stats, u32 status,101 u64 vblank);102#endif103 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