cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
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vsp1_drm.h (2058B)

      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 */
     32struct 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 */
     56struct 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
     67static inline struct vsp1_drm_pipeline *
     68to_vsp1_drm_pipeline(struct vsp1_pipeline *pipe)
     69{
     70	return container_of(pipe, struct vsp1_drm_pipeline, pipe);
     71}
     72
     73int vsp1_drm_init(struct vsp1_device *vsp1);
     74void vsp1_drm_cleanup(struct vsp1_device *vsp1);
     75
     76#endif /* __VSP1_DRM_H__ */