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1/* SPDX-License-Identifier: GPL-2.0+ */2/*3 * vsp1_drm.h -- R-Car VSP1 DRM/KMS Interface4 *5 * Copyright (C) 2015 Renesas Electronics Corporation6 *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 driver22 * @pipe: the VSP1 pipeline used for display23 * @partition: the pre-calculated partition used by the pipeline24 * @width: output display width25 * @height: output display height26 * @force_brx_release: when set, release the BRx during the next reconfiguration27 * @wait_queue: wait queue to wait for BRx release completion28 * @uif: UIF entity if available for the pipeline29 * @crc: CRC computation configuration30 * @du_complete: frame completion callback for the DU driver (optional)31 * @du_private: data to be passed to the du_complete callback32 */33struct vsp1_drm_pipeline {34 struct vsp1_pipeline pipe;35 struct vsp1_partition partition;36 37 unsigned int width;38 unsigned int height;39 40 bool force_brx_release;41 wait_queue_head_t wait_queue;42 43 struct vsp1_entity *uif;44 struct vsp1_du_crc_config crc;45 46 /* Frame synchronisation */47 void (*du_complete)(void *data, unsigned int status, u32 crc);48 void *du_private;49};50 51/**52 * struct vsp1_drm - State for the API exposed to the DRM driver53 * @pipe: the VSP1 DRM pipeline used for display54 * @lock: protects the BRU and BRS allocation55 * @inputs: source crop rectangle, destination compose rectangle and z-order56 * position for every input (indexed by RPF index)57 */58struct vsp1_drm {59 struct vsp1_drm_pipeline pipe[VSP1_MAX_LIF];60 struct mutex lock;61 62 struct {63 struct v4l2_rect crop;64 struct v4l2_rect compose;65 unsigned int zpos;66 } inputs[VSP1_MAX_RPF];67};68 69static inline struct vsp1_drm_pipeline *70to_vsp1_drm_pipeline(struct vsp1_pipeline *pipe)71{72 return container_of(pipe, struct vsp1_drm_pipeline, pipe);73}74 75int vsp1_drm_init(struct vsp1_device *vsp1);76void vsp1_drm_cleanup(struct vsp1_device *vsp1);77 78#endif /* __VSP1_DRM_H__ */79