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8ac05ae319
Use consistent naming for pci_dev, v4l2_device and video_device. Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
49 lines
1.9 KiB
C
49 lines
1.9 KiB
C
/*
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Copyright (C) 2003-2004 Kevin Thayer <nufan_wfk at yahoo.com>
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Copyright (C) 2004 Chris Kennedy <c@groovy.org>
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Copyright (C) 2006-2007 Hans Verkuil <hverkuil@xs4all.nl>
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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_UDMA_H
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#define IVTV_UDMA_H
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/* User DMA functions */
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void ivtv_udma_get_page_info(struct ivtv_dma_page_info *dma_page, unsigned long first, unsigned long size);
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int ivtv_udma_fill_sg_list(struct ivtv_user_dma *dma, struct ivtv_dma_page_info *dma_page, int map_offset);
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void ivtv_udma_fill_sg_array(struct ivtv_user_dma *dma, u32 buffer_offset, u32 buffer_offset_2, u32 split);
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int ivtv_udma_setup(struct ivtv *itv, unsigned long ivtv_dest_addr,
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void __user *userbuf, int size_in_bytes);
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void ivtv_udma_unmap(struct ivtv *itv);
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void ivtv_udma_free(struct ivtv *itv);
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void ivtv_udma_alloc(struct ivtv *itv);
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void ivtv_udma_prepare(struct ivtv *itv);
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void ivtv_udma_start(struct ivtv *itv);
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static inline void ivtv_udma_sync_for_device(struct ivtv *itv)
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{
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pci_dma_sync_single_for_device(itv->pdev, itv->udma.SG_handle,
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sizeof(itv->udma.SGarray), PCI_DMA_TODEVICE);
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}
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static inline void ivtv_udma_sync_for_cpu(struct ivtv *itv)
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{
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pci_dma_sync_single_for_cpu(itv->pdev, itv->udma.SG_handle,
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sizeof(itv->udma.SGarray), PCI_DMA_TODEVICE);
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}
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#endif
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