1 /* 2 yuv support 3 4 Copyright (C) 2007 Ian Armstrong <ian@iarmst.demon.co.uk> 5 6 This program is free software; you can redistribute it and/or modify 7 it under the terms of the GNU General Public License as published by 8 the Free Software Foundation; either version 2 of the License, or 9 (at your option) any later version. 10 11 This program is distributed in the hope that it will be useful, 12 but WITHOUT ANY WARRANTY; without even the implied warranty of 13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 14 GNU General Public License for more details. 15 16 You should have received a copy of the GNU General Public License 17 along with this program; if not, write to the Free Software 18 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 19 */ 20 21 #ifndef IVTV_YUV_H 22 #define IVTV_YUV_H 23 24 #define IVTV_YUV_BUFFER_UV_OFFSET 0x65400 /* Offset to UV Buffer */ 25 26 /* Offset to filter table in firmware */ 27 #define IVTV_YUV_HORIZONTAL_FILTER_OFFSET 0x025d8 28 #define IVTV_YUV_VERTICAL_FILTER_OFFSET 0x03358 29 30 #define IVTV_YUV_UPDATE_HORIZONTAL 0x01 31 #define IVTV_YUV_UPDATE_VERTICAL 0x02 32 #define IVTV_YUV_UPDATE_INVALID 0x04 33 34 extern const u32 yuv_offset[IVTV_YUV_BUFFERS]; 35 36 int ivtv_yuv_filter_check(struct ivtv *itv); 37 void ivtv_yuv_setup_stream_frame(struct ivtv *itv); 38 int ivtv_yuv_udma_stream_frame(struct ivtv *itv, void __user *src); 39 void ivtv_yuv_frame_complete(struct ivtv *itv); 40 int ivtv_yuv_prep_frame(struct ivtv *itv, struct ivtv_dma_frame *args); 41 void ivtv_yuv_close(struct ivtv *itv); 42 void ivtv_yuv_work_handler(struct ivtv *itv); 43 44 #endif 45