LXR linux/drivers/media/platform/vsp1/vsp1

   1/* SPDX-License-Identifier: GPL-2.0+ */
   2/*
   3 * vsp1_rwpf.h  --  R-Car VSP1 Read and Write Pixel Formatters
   4 *
   5 * Copyright (C) 2013-2014 Renesas Electronics Corporation
   6 *
   7 * Contact: Laurent Pinchart (laurent.pinchart@ideasonboard.com)
   8 */
   9#ifndef __VSP1_RWPF_H__
  10#define __VSP1_RWPF_H__
  11
  12#include <linux/spinlock.h>
  13
  14#include <media/media-entity.h>
  15#include <media/v4l2-ctrls.h>
  16#include <media/v4l2-subdev.h>
  17
  18#include "vsp1.h"
  19#include "vsp1_entity.h"
  20
  21#define RWPF_PAD_SINK                           0
  22#define RWPF_PAD_SOURCE                         1
  23
  24struct v4l2_ctrl;
  25struct vsp1_dl_manager;
  26struct vsp1_rwpf;
  27struct vsp1_video;
  28
  29struct vsp1_rwpf_memory {
  30        dma_addr_t addr[3];
  31};
  32
  33struct vsp1_rwpf {
  34        struct vsp1_entity entity;
  35        struct v4l2_ctrl_handler ctrls;
  36
  37        struct vsp1_video *video;
  38
  39        unsigned int max_width;
  40        unsigned int max_height;
  41
  42        struct v4l2_pix_format_mplane format;
  43        const struct vsp1_format_info *fmtinfo;
  44        unsigned int brx_input;
  45
  46        unsigned int alpha;
  47
  48        u32 mult_alpha;
  49        u32 outfmt;
  50
  51        struct {
  52                spinlock_t lock;
  53                struct {
  54                        struct v4l2_ctrl *vflip;
  55                        struct v4l2_ctrl *hflip;
  56                        struct v4l2_ctrl *rotate;
  57                } ctrls;
  58                unsigned int pending;
  59                unsigned int active;
  60                bool rotate;
  61        } flip;
  62
  63        struct vsp1_rwpf_memory mem;
  64        bool writeback;
  65
  66        struct vsp1_dl_manager *dlm;
  67};
  68
  69static inline struct vsp1_rwpf *to_rwpf(struct v4l2_subdev *subdev)
  70{
  71        return container_of(subdev, struct vsp1_rwpf, entity.subdev);
  72}
  73
  74static inline struct vsp1_rwpf *entity_to_rwpf(struct vsp1_entity *entity)
  75{
  76        return container_of(entity, struct vsp1_rwpf, entity);
  77}
  78
  79struct vsp1_rwpf *vsp1_rpf_create(struct vsp1_device *vsp1, unsigned int index);
  80struct vsp1_rwpf *vsp1_wpf_create(struct vsp1_device *vsp1, unsigned int index);
  81
  82int vsp1_rwpf_init_ctrls(struct vsp1_rwpf *rwpf, unsigned int ncontrols);
  83
  84extern const struct v4l2_subdev_pad_ops vsp1_rwpf_pad_ops;
  85
  86struct v4l2_rect *vsp1_rwpf_get_crop(struct vsp1_rwpf *rwpf,
  87                                     struct v4l2_subdev_pad_config *config);
  88
  89#endif /* __VSP1_RWPF_H__ */
  90