drivers/media/pci/ivtv/ivtv-yuv.h

   1 /* SPDX-License-Identifier: GPL-2.0-or-later */
   2 /*
   3     yuv support
   4
   5     Copyright (C) 2007  Ian Armstrong <ian@iarmst.demon.co.uk>
   6
   7  */
   8
   9 #ifndef IVTV_YUV_H
  10 #define IVTV_YUV_H
  11
  12 #define IVTV_YUV_BUFFER_UV_OFFSET 0x65400       /* Offset to UV Buffer */
  13
  14 /* Offset to filter table in firmware */
  15 #define IVTV_YUV_HORIZONTAL_FILTER_OFFSET 0x025d8
  16 #define IVTV_YUV_VERTICAL_FILTER_OFFSET 0x03358
  17
  18 #define IVTV_YUV_UPDATE_HORIZONTAL  0x01
  19 #define IVTV_YUV_UPDATE_VERTICAL    0x02
  20 #define IVTV_YUV_UPDATE_INVALID     0x04
  21
  22 extern const u32 yuv_offset[IVTV_YUV_BUFFERS];
  23
  24 int ivtv_yuv_filter_check(struct ivtv *itv);
  25 void ivtv_yuv_setup_stream_frame(struct ivtv *itv);
  26 int ivtv_yuv_udma_stream_frame(struct ivtv *itv, void __user *src);
  27 void ivtv_yuv_frame_complete(struct ivtv *itv);
  28 int ivtv_yuv_prep_frame(struct ivtv *itv, struct ivtv_dma_frame *args);
  29 void ivtv_yuv_close(struct ivtv *itv);
  30 void ivtv_yuv_work_handler(struct ivtv *itv);
  31
  32 #endif