summaryrefslogtreecommitdiffstats
path: root/include/linux/video_decoder.h
diff options
context:
space:
mode:
Diffstat (limited to 'include/linux/video_decoder.h')
-rw-r--r--include/linux/video_decoder.h44
1 files changed, 44 insertions, 0 deletions
diff --git a/include/linux/video_decoder.h b/include/linux/video_decoder.h
new file mode 100644
index 0000000..0e9e48b
--- /dev/null
+++ b/include/linux/video_decoder.h
@@ -0,0 +1,44 @@
+#ifndef _LINUX_VIDEO_DECODER_H
+#define _LINUX_VIDEO_DECODER_H
+
+struct video_decoder_capability { /* this name is too long */
+ __u32 flags;
+#define VIDEO_DECODER_PAL 1 /* can decode PAL signal */
+#define VIDEO_DECODER_NTSC 2 /* can decode NTSC */
+#define VIDEO_DECODER_SECAM 4 /* can decode SECAM */
+#define VIDEO_DECODER_AUTO 8 /* can autosense norm */
+#define VIDEO_DECODER_CCIR 16 /* CCIR-601 pixel rate (720 pixels per line) instead of square pixel rate */
+ int inputs; /* number of inputs */
+ int outputs; /* number of outputs */
+};
+
+/*
+DECODER_GET_STATUS returns the following flags. The only one you need is
+DECODER_STATUS_GOOD, the others are just nice things to know.
+*/
+#define DECODER_STATUS_GOOD 1 /* receiving acceptable input */
+#define DECODER_STATUS_COLOR 2 /* receiving color information */
+#define DECODER_STATUS_PAL 4 /* auto detected */
+#define DECODER_STATUS_NTSC 8 /* auto detected */
+#define DECODER_STATUS_SECAM 16 /* auto detected */
+
+struct video_decoder_init {
+ unsigned char len;
+ const unsigned char *data;
+};
+
+#define DECODER_GET_CAPABILITIES _IOR('d', 1, struct video_decoder_capability)
+#define DECODER_GET_STATUS _IOR('d', 2, int)
+#define DECODER_SET_NORM _IOW('d', 3, int)
+#define DECODER_SET_INPUT _IOW('d', 4, int) /* 0 <= input < #inputs */
+#define DECODER_SET_OUTPUT _IOW('d', 5, int) /* 0 <= output < #outputs */
+#define DECODER_ENABLE_OUTPUT _IOW('d', 6, int) /* boolean output enable control */
+#define DECODER_SET_PICTURE _IOW('d', 7, struct video_picture)
+#define DECODER_SET_GPIO _IOW('d', 8, int) /* switch general purpose pin */
+#define DECODER_INIT _IOW('d', 9, struct video_decoder_init) /* init internal registers at once */
+#define DECODER_SET_VBI_BYPASS _IOW('d', 10, int) /* switch vbi bypass */
+
+#define DECODER_DUMP _IO('d', 192) /* debug hook */
+
+
+#endif
OpenPOWER on IntegriCloud