[media] videodev2.h: add VIDIOC_ENUM_FREQ_BANDS
Add a new ioctl to enumerate the supported frequency bands of a tuner.
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
diff --git a/include/linux/videodev2.h b/include/linux/videodev2.h
index 4cf766e..63c950f 100644
--- a/include/linux/videodev2.h
+++ b/include/linux/videodev2.h
@@ -2032,6 +2032,7 @@
#define V4L2_TUNER_CAP_RDS 0x0080
#define V4L2_TUNER_CAP_RDS_BLOCK_IO 0x0100
#define V4L2_TUNER_CAP_RDS_CONTROLS 0x0200
+#define V4L2_TUNER_CAP_FREQ_BANDS 0x0400
/* Flags for the 'rxsubchans' field */
#define V4L2_TUNER_SUB_MONO 0x0001
@@ -2050,19 +2051,34 @@
#define V4L2_TUNER_MODE_LANG1_LANG2 0x0004
struct v4l2_frequency {
- __u32 tuner;
- __u32 type; /* enum v4l2_tuner_type */
- __u32 frequency;
- __u32 reserved[8];
+ __u32 tuner;
+ __u32 type; /* enum v4l2_tuner_type */
+ __u32 frequency;
+ __u32 reserved[8];
+};
+
+#define V4L2_BAND_MODULATION_VSB (1 << 1)
+#define V4L2_BAND_MODULATION_FM (1 << 2)
+#define V4L2_BAND_MODULATION_AM (1 << 3)
+
+struct v4l2_frequency_band {
+ __u32 tuner;
+ __u32 type; /* enum v4l2_tuner_type */
+ __u32 index;
+ __u32 capability;
+ __u32 rangelow;
+ __u32 rangehigh;
+ __u32 modulation;
+ __u32 reserved[9];
};
struct v4l2_hw_freq_seek {
- __u32 tuner;
- __u32 type; /* enum v4l2_tuner_type */
- __u32 seek_upward;
- __u32 wrap_around;
- __u32 spacing;
- __u32 reserved[7];
+ __u32 tuner;
+ __u32 type; /* enum v4l2_tuner_type */
+ __u32 seek_upward;
+ __u32 wrap_around;
+ __u32 spacing;
+ __u32 reserved[7];
};
/*
@@ -2630,6 +2646,10 @@
#define VIDIOC_QUERY_DV_TIMINGS _IOR('V', 99, struct v4l2_dv_timings)
#define VIDIOC_DV_TIMINGS_CAP _IOWR('V', 100, struct v4l2_dv_timings_cap)
+/* Experimental, this ioctl may change over the next couple of kernel
+ versions. */
+#define VIDIOC_ENUM_FREQ_BANDS _IOWR('V', 101, struct v4l2_frequency_band)
+
/* Reminder: when adding new ioctls please add support for them to
drivers/media/video/v4l2-compat-ioctl32.c as well! */