64fbf44455
Added support for new cx231xx boards - Carraera, Shelby, RDx_253S and VIDEO_GRABBER. [mchehab@redhat.com: Fix a merge conflict with BKL removal patches] Signed-off-by: Palash Bandyopadhyay <palash.bandyopadhyay@conexant.com> Signed-off-by: Devin Heitmueller <dheitmueller@hauppauge.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
66 lines
2.2 KiB
C
66 lines
2.2 KiB
C
/*
|
|
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 (*bulk_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
|