diff options
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..16c7d20a22a --- /dev/null +++ b/drivers/media/video/cx231xx/cx231xx-vbi.h | |||
@@ -0,0 +1,65 @@ | |||
1 | /* | ||
2 | cx231xx_vbi.h - driver for Conexant Cx23100/101/102 USB video capture devices | ||
3 | |||
4 | Copyright (C) 2008 <srinivasa.deevi at conexant dot com> | ||
5 | Based on cx88 driver | ||
6 | |||
7 | This program is free software; you can redistribute it and/or modify | ||
8 | it under the terms of the GNU General Public License as published by | ||
9 | the Free Software Foundation; either version 2 of the License, or | ||
10 | (at your option) any later version. | ||
11 | |||
12 | This program is distributed in the hope that it will be useful, | ||
13 | but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
14 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
15 | GNU General Public License for more details. | ||
16 | |||
17 | You should have received a copy of the GNU General Public License | ||
18 | along with this program; if not, write to the Free Software | ||
19 | Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. | ||
20 | */ | ||
21 | |||
22 | #ifndef _CX231XX_VBI_H | ||
23 | #define _CX231XX_VBI_H | ||
24 | |||
25 | extern struct videobuf_queue_ops cx231xx_vbi_qops; | ||
26 | |||
27 | #define NTSC_VBI_START_LINE 10 /* line 10 - 21 */ | ||
28 | #define NTSC_VBI_END_LINE 21 | ||
29 | #define NTSC_VBI_LINES (NTSC_VBI_END_LINE-NTSC_VBI_START_LINE+1) | ||
30 | |||
31 | #define PAL_VBI_START_LINE 6 | ||
32 | #define PAL_VBI_END_LINE 23 | ||
33 | #define PAL_VBI_LINES (PAL_VBI_END_LINE-PAL_VBI_START_LINE+1) | ||
34 | |||
35 | #define VBI_STRIDE 1440 | ||
36 | #define VBI_SAMPLES_PER_LINE 1440 | ||
37 | |||
38 | #define CX231XX_NUM_VBI_PACKETS 4 | ||
39 | #define CX231XX_NUM_VBI_BUFS 5 | ||
40 | |||
41 | /* stream functions */ | ||
42 | int cx231xx_init_vbi_isoc(struct cx231xx *dev, int max_packets, | ||
43 | int num_bufs, int max_pkt_size, | ||
44 | int (*bulk_copy) (struct cx231xx *dev, | ||
45 | struct urb *urb)); | ||
46 | |||
47 | void cx231xx_uninit_vbi_isoc(struct cx231xx *dev); | ||
48 | |||
49 | /* vbi data copy functions */ | ||
50 | u32 cx231xx_get_vbi_line(struct cx231xx *dev, struct cx231xx_dmaqueue *dma_q, | ||
51 | u8 sav_eav, u8 *p_buffer, u32 buffer_size); | ||
52 | |||
53 | u32 cx231xx_copy_vbi_line(struct cx231xx *dev, struct cx231xx_dmaqueue *dma_q, | ||
54 | u8 *p_line, u32 length, int field_number); | ||
55 | |||
56 | void cx231xx_reset_vbi_buffer(struct cx231xx *dev, | ||
57 | struct cx231xx_dmaqueue *dma_q); | ||
58 | |||
59 | int cx231xx_do_vbi_copy(struct cx231xx *dev, struct cx231xx_dmaqueue *dma_q, | ||
60 | u8 *p_buffer, u32 bytes_to_copy); | ||
61 | |||
62 | u8 cx231xx_is_vbi_buffer_done(struct cx231xx *dev, | ||
63 | struct cx231xx_dmaqueue *dma_q); | ||
64 | |||
65 | #endif | ||