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| author | Mauro Carvalho Chehab <mchehab@redhat.com> | 2009-03-13 18:06:14 -0300 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@redhat.com> | 2009-03-13 18:06:14 -0300 |
| commit | 9840199e825a71000f4d87e61380867fe3dc7f80 (patch) | |
| tree | aaee9b6e6b95130e5409343389d9f65dd9867094 /linux/drivers/media/video/cx231xx/cx231xx-vbi.h | |
| parent | f689c3bd615386cf4c5238d1b4de1aaf4b58ce69 (diff) | |
| parent | c3ce9d2f22c72aa484146a24d87be98d1a29ab9f (diff) | |
| download | mediapointer-dvb-s2-9840199e825a71000f4d87e61380867fe3dc7f80.tar.gz mediapointer-dvb-s2-9840199e825a71000f4d87e61380867fe3dc7f80.tar.bz2 | |
merge: http://linuxtv.org/hg/~hgoede/libv4l
From: Mauro Carvalho Chehab <mchehab@redhat.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Diffstat (limited to 'linux/drivers/media/video/cx231xx/cx231xx-vbi.h')
| -rw-r--r-- | linux/drivers/media/video/cx231xx/cx231xx-vbi.h | 65 |
1 files changed, 65 insertions, 0 deletions
diff --git a/linux/drivers/media/video/cx231xx/cx231xx-vbi.h b/linux/drivers/media/video/cx231xx/cx231xx-vbi.h new file mode 100644 index 000000000..89c7fe80b --- /dev/null +++ b/linux/drivers/media/video/cx231xx/cx231xx-vbi.h @@ -0,0 +1,65 @@ +/* + cx231xx_vbi.h - driver for Conexant Cx23100/101/102 USB video capture devices + + Copyright (C) 2008 <srinivasa.deevi at conexant dot com> + Based on cx88 driver + + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 2 of the License, or + (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program; if not, write to the Free Software + Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + */ + +#ifndef _CX231XX_VBI_H +#define _CX231XX_VBI_H + +extern struct videobuf_queue_ops cx231xx_vbi_qops; + +#define NTSC_VBI_START_LINE 10 /* line 10 - 21 */ +#define NTSC_VBI_END_LINE 21 +#define NTSC_VBI_LINES (NTSC_VBI_END_LINE-NTSC_VBI_START_LINE+1) + +#define PAL_VBI_START_LINE 6 +#define PAL_VBI_END_LINE 23 +#define PAL_VBI_LINES (PAL_VBI_END_LINE-PAL_VBI_START_LINE+1) + +#define VBI_STRIDE 1440 +#define VBI_SAMPLES_PER_LINE 1440 + +#define CX231XX_NUM_VBI_PACKETS 4 +#define CX231XX_NUM_VBI_BUFS 5 + +/* stream functions */ +int cx231xx_init_vbi_isoc(struct cx231xx *dev, int max_packets, + int num_bufs, int max_pkt_size, + int (*isoc_copy) (struct cx231xx *dev, + struct urb *urb)); + +void cx231xx_uninit_vbi_isoc(struct cx231xx *dev); + +/* vbi data copy functions */ +u32 cx231xx_get_vbi_line(struct cx231xx *dev, struct cx231xx_dmaqueue *dma_q, + u8 sav_eav, u8 *p_buffer, u32 buffer_size); + +u32 cx231xx_copy_vbi_line(struct cx231xx *dev, struct cx231xx_dmaqueue *dma_q, + u8 *p_line, u32 length, int field_number); + +void cx231xx_reset_vbi_buffer(struct cx231xx *dev, + struct cx231xx_dmaqueue *dma_q); + +int cx231xx_do_vbi_copy(struct cx231xx *dev, struct cx231xx_dmaqueue *dma_q, + u8 *p_buffer, u32 bytes_to_copy); + +u8 cx231xx_is_vbi_buffer_done(struct cx231xx *dev, + struct cx231xx_dmaqueue *dma_q); + +#endif |