diff options
author | Ingo Molnar <mingo@elte.hu> | 2009-04-08 10:35:30 +0200 |
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committer | Ingo Molnar <mingo@elte.hu> | 2009-04-08 10:35:30 +0200 |
commit | 5ea472a77f8e4811ceee3f44a9deda6ad6e8b789 (patch) | |
tree | a9ec5019e2b666a19874fc344ffb0dd5da6bce94 /drivers/media/video/cx231xx/cx231xx-vbi.h | |
parent | 6c009ecef8cca28c7c09eb16d0802e37915a76e1 (diff) | |
parent | 577c9c456f0e1371cbade38eaf91ae8e8a308555 (diff) |
Merge commit 'v2.6.30-rc1' into perfcounters/core
Conflicts:
arch/powerpc/include/asm/systbl.h
arch/powerpc/include/asm/unistd.h
include/linux/init_task.h
Merge reason: the conflicts are non-trivial: PowerPC placement
of sys_perf_counter_open has to be mixed with the
new preadv/pwrite syscalls.
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'drivers/media/video/cx231xx/cx231xx-vbi.h')
-rw-r--r-- | drivers/media/video/cx231xx/cx231xx-vbi.h | 65 |
1 files changed, 65 insertions, 0 deletions
diff --git a/drivers/media/video/cx231xx/cx231xx-vbi.h b/drivers/media/video/cx231xx/cx231xx-vbi.h new file mode 100644 index 00000000000..89c7fe80b26 --- /dev/null +++ b/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 |