1*4882a593Smuzhiyun /* SPDX-License-Identifier: GPL-2.0-or-later */ 2*4882a593Smuzhiyun /* 3*4882a593Smuzhiyun yuv support 4*4882a593Smuzhiyun 5*4882a593Smuzhiyun Copyright (C) 2007 Ian Armstrong <ian@iarmst.demon.co.uk> 6*4882a593Smuzhiyun 7*4882a593Smuzhiyun */ 8*4882a593Smuzhiyun 9*4882a593Smuzhiyun #ifndef IVTV_YUV_H 10*4882a593Smuzhiyun #define IVTV_YUV_H 11*4882a593Smuzhiyun 12*4882a593Smuzhiyun #define IVTV_YUV_BUFFER_UV_OFFSET 0x65400 /* Offset to UV Buffer */ 13*4882a593Smuzhiyun 14*4882a593Smuzhiyun /* Offset to filter table in firmware */ 15*4882a593Smuzhiyun #define IVTV_YUV_HORIZONTAL_FILTER_OFFSET 0x025d8 16*4882a593Smuzhiyun #define IVTV_YUV_VERTICAL_FILTER_OFFSET 0x03358 17*4882a593Smuzhiyun 18*4882a593Smuzhiyun #define IVTV_YUV_UPDATE_HORIZONTAL 0x01 19*4882a593Smuzhiyun #define IVTV_YUV_UPDATE_VERTICAL 0x02 20*4882a593Smuzhiyun #define IVTV_YUV_UPDATE_INVALID 0x04 21*4882a593Smuzhiyun 22*4882a593Smuzhiyun extern const u32 yuv_offset[IVTV_YUV_BUFFERS]; 23*4882a593Smuzhiyun 24*4882a593Smuzhiyun int ivtv_yuv_filter_check(struct ivtv *itv); 25*4882a593Smuzhiyun void ivtv_yuv_setup_stream_frame(struct ivtv *itv); 26*4882a593Smuzhiyun int ivtv_yuv_udma_stream_frame(struct ivtv *itv, void __user *src); 27*4882a593Smuzhiyun void ivtv_yuv_frame_complete(struct ivtv *itv); 28*4882a593Smuzhiyun int ivtv_yuv_prep_frame(struct ivtv *itv, struct ivtv_dma_frame *args); 29*4882a593Smuzhiyun void ivtv_yuv_close(struct ivtv *itv); 30*4882a593Smuzhiyun void ivtv_yuv_work_handler(struct ivtv *itv); 31*4882a593Smuzhiyun 32*4882a593Smuzhiyun #endif 33