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Diffstat (limited to 'drivers/media/usb/cx231xx/cx231xx-vbi.h')
-rw-r--r--drivers/media/usb/cx231xx/cx231xx-vbi.h65
1 files changed, 65 insertions, 0 deletions
diff --git a/drivers/media/usb/cx231xx/cx231xx-vbi.h b/drivers/media/usb/cx231xx/cx231xx-vbi.h
new file mode 100644
index 000000000000..16c7d20a22a4
--- /dev/null
+++ b/drivers/media/usb/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 (*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