1 /* 2 * (C) COPYRIGHT 2016 ARM Limited. All rights reserved. 3 * Author: Liviu Dudau <Liviu.Dudau@arm.com> 4 * 5 * This program is free software and is provided to you under the terms of the 6 * GNU General Public License version 2 as published by the Free Software 7 * Foundation, and any use by you of this program is subject to the terms 8 * of such GNU licence. 9 * 10 * ARM Mali DP500/DP550/DP650 KMS/DRM driver structures 11 */ 12 13 #ifndef __MALIDP_DRV_H__ 14 #define __MALIDP_DRV_H__ 15 16 #include <drm/drm_writeback.h> 17 #include <drm/drm_encoder.h> 18 #include <linux/mutex.h> 19 #include <linux/wait.h> 20 #include <linux/spinlock.h> 21 #include <drm/drmP.h> 22 #include "malidp_hw.h" 23 24 #define MALIDP_CONFIG_VALID_INIT 0 25 #define MALIDP_CONFIG_VALID_DONE 1 26 #define MALIDP_CONFIG_START 0xd0 27 28 struct malidp_error_stats { 29 s32 num_errors; 30 u32 last_error_status; 31 s64 last_error_vblank; 32 }; 33 34 struct malidp_drm { 35 struct malidp_hw_device *dev; 36 struct drm_crtc crtc; 37 struct drm_writeback_connector mw_connector; 38 wait_queue_head_t wq; 39 struct drm_pending_vblank_event *event; 40 atomic_t config_valid; 41 u32 core_id; 42 #ifdef CONFIG_DEBUG_FS 43 struct malidp_error_stats de_errors; 44 struct malidp_error_stats se_errors; 45 /* Protects errors stats */ 46 spinlock_t errors_lock; 47 #endif 48 }; 49 50 #define crtc_to_malidp_device(x) container_of(x, struct malidp_drm, crtc) 51 52 struct malidp_plane { 53 struct drm_plane base; 54 struct malidp_hw_device *hwdev; 55 const struct malidp_layer *layer; 56 }; 57 58 enum mmu_prefetch_mode { 59 MALIDP_PREFETCH_MODE_NONE, 60 MALIDP_PREFETCH_MODE_PARTIAL, 61 MALIDP_PREFETCH_MODE_FULL, 62 }; 63 64 struct malidp_plane_state { 65 struct drm_plane_state base; 66 67 /* size of the required rotation memory if plane is rotated */ 68 u32 rotmem_size; 69 /* internal format ID */ 70 u8 format; 71 u8 n_planes; 72 enum mmu_prefetch_mode mmu_prefetch_mode; 73 u32 mmu_prefetch_pgsize; 74 }; 75 76 #define to_malidp_plane(x) container_of(x, struct malidp_plane, base) 77 #define to_malidp_plane_state(x) container_of(x, struct malidp_plane_state, base) 78 79 struct malidp_crtc_state { 80 struct drm_crtc_state base; 81 u32 gamma_coeffs[MALIDP_COEFFTAB_NUM_COEFFS]; 82 u32 coloradj_coeffs[MALIDP_COLORADJ_NUM_COEFFS]; 83 struct malidp_se_config scaler_config; 84 /* Bitfield of all the planes that have requested a scaled output. */ 85 u8 scaled_planes_mask; 86 }; 87 88 #define to_malidp_crtc_state(x) container_of(x, struct malidp_crtc_state, base) 89 90 int malidp_de_planes_init(struct drm_device *drm); 91 int malidp_crtc_init(struct drm_device *drm); 92 93 #ifdef CONFIG_DEBUG_FS 94 void malidp_error(struct malidp_drm *malidp, 95 struct malidp_error_stats *error_stats, u32 status, 96 u64 vblank); 97 #endif 98 99 /* often used combination of rotational bits */ 100 #define MALIDP_ROTATED_MASK (DRM_MODE_ROTATE_90 | DRM_MODE_ROTATE_270) 101 102 #endif /* __MALIDP_DRV_H__ */ 103