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 33