drivers/media/platform/vsp1/vsp1_rwpf.h

   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
  24 struct v4l2_ctrl;
  25 struct vsp1_dl_manager;
  26 struct vsp1_rwpf;
  27 struct vsp1_video;
  28
  29 struct vsp1_rwpf_memory {
  30         dma_addr_t addr[3];
  31 };
  32
  33 struct 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
  69 static inline struct vsp1_rwpf *to_rwpf(struct v4l2_subdev *subdev)
  70 {
  71         return container_of(subdev, struct vsp1_rwpf, entity.subdev);
  72 }
  73
  74 static inline struct vsp1_rwpf *entity_to_rwpf(struct vsp1_entity *entity)
  75 {
  76         return container_of(entity, struct vsp1_rwpf, entity);
  77 }
  78
  79 struct vsp1_rwpf *vsp1_rpf_create(struct vsp1_device *vsp1, unsigned int index);
  80 struct vsp1_rwpf *vsp1_wpf_create(struct vsp1_device *vsp1, unsigned int index);
  81
  82 int vsp1_rwpf_init_ctrls(struct vsp1_rwpf *rwpf, unsigned int ncontrols);
  83
  84 extern const struct v4l2_subdev_pad_ops vsp1_rwpf_pad_ops;
  85
  86 struct v4l2_rect *vsp1_rwpf_get_crop(struct vsp1_rwpf *rwpf,
  87                                      struct v4l2_subdev_pad_config *config);
  88
  89 #endif /* __VSP1_RWPF_H__ */