forked from Minki/linux
a3e5f5e2df
ivtv_yuv_prep_frame is split in smaller code blocks. Modified yuv buffer handling on the PVR350 itself. We now cycle through all 8 hardware buffers. With this patch in place, driver behaviour should remain unchanged from the existing release. Signed-off-by: Ian Armstrong <ian@iarmst.demon.co.uk> Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl> Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
42 lines
1.4 KiB
C
42 lines
1.4 KiB
C
/*
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yuv support
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Copyright (C) 2007 Ian Armstrong <ian@iarmst.demon.co.uk>
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#ifndef IVTV_YUV_H
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#define IVTV_YUV_H
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#define IVTV_YUV_BUFFER_UV_OFFSET 0x65400 /* Offset to UV Buffer */
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/* Offset to filter table in firmware */
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#define IVTV_YUV_HORIZONTAL_FILTER_OFFSET 0x025d8
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#define IVTV_YUV_VERTICAL_FILTER_OFFSET 0x03358
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#define IVTV_YUV_UPDATE_HORIZONTAL 0x01
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#define IVTV_YUV_UPDATE_VERTICAL 0x02
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#define IVTV_YUV_UPDATE_INVALID 0x04
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extern const u32 yuv_offset[IVTV_YUV_BUFFERS];
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int ivtv_yuv_filter_check(struct ivtv *itv);
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int ivtv_yuv_prep_frame(struct ivtv *itv, struct ivtv_dma_frame *args);
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void ivtv_yuv_close(struct ivtv *itv);
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void ivtv_yuv_work_handler (struct ivtv *itv);
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#endif
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