1 /* SPDX-License-Identifier: GPL-2.0+ */ 2 /* 3 * vsp1_drm.h -- R-Car VSP1 DRM/KMS Interface 4 * 5 * Copyright (C) 2015 Renesas Electronics Corporation 6 * 7 * Contact: Laurent Pinchart (laurent.pinchart@ideasonboard.com) 8 */ 9 #ifndef __VSP1_DRM_H__ 10 #define __VSP1_DRM_H__ 11 12 #include <linux/mutex.h> 13 #include <linux/videodev2.h> 14 #include <linux/wait.h> 15 16 #include <media/vsp1.h> 17 18 #include "vsp1_pipe.h" 19 20 /** 21 * struct vsp1_drm_pipeline - State for the API exposed to the DRM driver 22 * @pipe: the VSP1 pipeline used for display 23 * @width: output display width 24 * @height: output display height 25 * @force_brx_release: when set, release the BRx during the next reconfiguration 26 * @wait_queue: wait queue to wait for BRx release completion 27 * @uif: UIF entity if available for the pipeline 28 * @crc: CRC computation configuration 29 * @du_complete: frame completion callback for the DU driver (optional) 30 * @du_private: data to be passed to the du_complete callback 31 */ 32 struct vsp1_drm_pipeline { 33 struct vsp1_pipeline pipe; 34 35 unsigned int width; 36 unsigned int height; 37 38 bool force_brx_release; 39 wait_queue_head_t wait_queue; 40 41 struct vsp1_entity *uif; 42 struct vsp1_du_crc_config crc; 43 44 /* Frame synchronisation */ 45 void (*du_complete)(void *data, unsigned int status, u32 crc); 46 void *du_private; 47 }; 48 49 /** 50 * struct vsp1_drm - State for the API exposed to the DRM driver 51 * @pipe: the VSP1 DRM pipeline used for display 52 * @lock: protects the BRU and BRS allocation 53 * @inputs: source crop rectangle, destination compose rectangle and z-order 54 * position for every input (indexed by RPF index) 55 */ 56 struct vsp1_drm { 57 struct vsp1_drm_pipeline pipe[VSP1_MAX_LIF]; 58 struct mutex lock; 59 60 struct { 61 struct v4l2_rect crop; 62 struct v4l2_rect compose; 63 unsigned int zpos; 64 } inputs[VSP1_MAX_RPF]; 65 }; 66 67 static inline struct vsp1_drm_pipeline * 68 to_vsp1_drm_pipeline(struct vsp1_pipeline *pipe) 69 { 70 return container_of(pipe, struct vsp1_drm_pipeline, pipe); 71 } 72 73 int vsp1_drm_init(struct vsp1_device *vsp1); 74 void vsp1_drm_cleanup(struct vsp1_device *vsp1); 75 76 #endif /* __VSP1_DRM_H__ */ 77