LXR linux/drivers/staging/media/tegra-vde/uapi.h

   1/* SPDX-License-Identifier: GPL-2.0+ */
   2/* Copyright (C) 2016-2017 Dmitry Osipenko <digetx@gmail.com> */
   3#ifndef _UAPI_TEGRA_VDE_H_
   4#define _UAPI_TEGRA_VDE_H_
   5
   6#include <linux/types.h>
   7#include <asm/ioctl.h>
   8
   9#define FLAG_B_FRAME            0x1
  10#define FLAG_REFERENCE          0x2
  11
  12struct tegra_vde_h264_frame {
  13        __s32 y_fd;
  14        __s32 cb_fd;
  15        __s32 cr_fd;
  16        __s32 aux_fd;
  17        __u32 y_offset;
  18        __u32 cb_offset;
  19        __u32 cr_offset;
  20        __u32 aux_offset;
  21        __u32 frame_num;
  22        __u32 flags;
  23
  24        // Must be zero'ed
  25        __u32 reserved[6];
  26};
  27
  28struct tegra_vde_h264_decoder_ctx {
  29        __s32 bitstream_data_fd;
  30        __u32 bitstream_data_offset;
  31
  32        __u64 dpb_frames_ptr;
  33        __u32 dpb_frames_nb;
  34        __u32 dpb_ref_frames_with_earlier_poc_nb;
  35
  36        // SPS
  37        __u32 baseline_profile;
  38        __u32 level_idc;
  39        __u32 log2_max_pic_order_cnt_lsb;
  40        __u32 log2_max_frame_num;
  41        __u32 pic_order_cnt_type;
  42        __u32 direct_8x8_inference_flag;
  43        __u32 pic_width_in_mbs;
  44        __u32 pic_height_in_mbs;
  45
  46        // PPS
  47        __u32 pic_init_qp;
  48        __u32 deblocking_filter_control_present_flag;
  49        __u32 constrained_intra_pred_flag;
  50        __u32 chroma_qp_index_offset;
  51        __u32 pic_order_present_flag;
  52
  53        // Slice header
  54        __u32 num_ref_idx_l0_active_minus1;
  55        __u32 num_ref_idx_l1_active_minus1;
  56
  57        // Must be zero'ed
  58        __u32 reserved[11];
  59};
  60
  61#define VDE_IOCTL_BASE                  ('v' + 0x20)
  62
  63#define VDE_IO(nr)                      _IO(VDE_IOCTL_BASE, nr)
  64#define VDE_IOR(nr, type)               _IOR(VDE_IOCTL_BASE, nr, type)
  65#define VDE_IOW(nr, type)               _IOW(VDE_IOCTL_BASE, nr, type)
  66#define VDE_IOWR(nr, type)              _IOWR(VDE_IOCTL_BASE, nr, type)
  67
  68#define TEGRA_VDE_DECODE_H264           0x00
  69
  70#define TEGRA_VDE_IOCTL_DECODE_H264     \
  71        VDE_IOW(TEGRA_VDE_DECODE_H264, struct tegra_vde_h264_decoder_ctx)
  72
  73#endif // _UAPI_TEGRA_VDE_H_
  74