1 files changed, 35 insertions, 0 deletions

diff --git a/drivers/media/video/tda9840.h b/drivers/media/video/tda9840.h
new file mode 100644
index 000000000000..28021053bd09
--- /dev/null
+++ b/drivers/media/video/tda9840.h
@@ -0,0 +1,35 @@
+#ifndef __INCLUDED_TDA9840__
+#define __INCLUDED_TDA9840__
+
+#define I2C_TDA9840             0x42
+
+#define TDA9840_DETECT          _IOR('v',1,int)
+/* return values for TDA9840_DETCT */
+#define TDA9840_MONO_DETECT             0x0
+#define TDA9840_DUAL_DETECT             0x1
+#define TDA9840_STEREO_DETECT           0x2
+#define TDA9840_INCORRECT_DETECT        0x3
+
+#define TDA9840_SWITCH          _IOW('v',2,int)
+/* modes than can be set with TDA9840_SWITCH */
+#define TDA9840_SET_MUTE                0x00
+#define TDA9840_SET_MONO                0x10
+#define TDA9840_SET_STEREO              0x2a
+#define TDA9840_SET_LANG1               0x12
+#define TDA9840_SET_LANG2               0x1e
+#define TDA9840_SET_BOTH                0x1a
+#define TDA9840_SET_BOTH_R              0x16
+#define TDA9840_SET_EXTERNAL            0x7a
+
+/* values may range between +2.5 and -2.0;
+   the value has to be multiplied with 10 */
+#define TDA9840_LEVEL_ADJUST    _IOW('v',3,int)
+
+/* values may range between +2.5 and -2.4;
+   the value has to be multiplied with 10 */
+#define TDA9840_STEREO_ADJUST   _IOW('v',4,int)
+
+/* currently not implemented */
+#define TDA9840_TEST            _IOW('v',5,int)
+
+#endif