drivers/media/platform/mediatek/mdp3/mtk-mdp3-m2m.h

   1 /* SPDX-License-Identifier: GPL-2.0-only */
   2 /*
   3  * Copyright (c) 2022 MediaTek Inc.
   4  * Author: Ping-Hsun Wu <ping-hsun.wu@mediatek.com>
   5  */
   6
   7 #ifndef __MTK_MDP3_M2M_H__
   8 #define __MTK_MDP3_M2M_H__
   9
  10 #include <media/v4l2-ctrls.h>
  11 #include "mtk-mdp3-core.h"
  12 #include "mtk-mdp3-vpu.h"
  13 #include "mtk-mdp3-regs.h"
  14
  15 #define MDP_MAX_CTRLS   10
  16
  17 enum {
  18         MDP_M2M_SRC = 0,
  19         MDP_M2M_DST = 1,
  20         MDP_M2M_MAX,
  21 };
  22
  23 struct mdp_m2m_ctrls {
  24         struct v4l2_ctrl        *hflip;
  25         struct v4l2_ctrl        *vflip;
  26         struct v4l2_ctrl        *rotate;
  27 };
  28
  29 struct mdp_m2m_ctx {
  30         u32                             id;
  31         struct mdp_dev                  *mdp_dev;
  32         struct v4l2_fh                  fh;
  33         struct v4l2_ctrl_handler        ctrl_handler;
  34         struct mdp_m2m_ctrls            ctrls;
  35         struct v4l2_m2m_ctx             *m2m_ctx;
  36         u32                             frame_count[MDP_M2M_MAX];
  37
  38         struct mdp_frameparam           curr_param;
  39         /* synchronization protect for mdp m2m context */
  40         struct mutex                    ctx_lock;
  41 };
  42
  43 int mdp_m2m_device_register(struct mdp_dev *mdp);
  44 void mdp_m2m_device_unregister(struct mdp_dev *mdp);
  45 void mdp_m2m_job_finish(struct mdp_m2m_ctx *ctx);
  46
  47 #endif  /* __MTK_MDP3_M2M_H__ */