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authorTobias Lorenz <tobias.lorenz@gmx.net>2008-05-26 18:40:46 -0300
committerMauro Carvalho Chehab <mchehab@infradead.org>2008-07-20 07:07:12 -0300
commit1d0ba5f3784612fe6e91a12e0dec37c797d4f07c (patch)
tree8e05b0fc73664285504c4319892c842a78d6b63d
parentf90fe7a3f7fcba0abd89ce0978628ef1d86ecbf9 (diff)
V4L/DVB (7942): Hardware frequency seek ioctl interface
Signed-off-by: Tobias Lorenz <tobias.lorenz@gmx.net> Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
-rw-r--r--drivers/media/video/compat_ioctl32.c1
-rw-r--r--drivers/media/video/videodev.c12
-rw-r--r--include/linux/videodev2.h10
-rw-r--r--include/media/v4l2-dev.h2
4 files changed, 25 insertions, 0 deletions
diff --git a/drivers/media/video/compat_ioctl32.c b/drivers/media/video/compat_ioctl32.c
index cefd1381e8d..54de0cd482e 100644
--- a/drivers/media/video/compat_ioctl32.c
+++ b/drivers/media/video/compat_ioctl32.c
@@ -884,6 +884,7 @@ long v4l_compat_ioctl32(struct file *file, unsigned int cmd, unsigned long arg)
case VIDIOC_G_INPUT32:
case VIDIOC_S_INPUT32:
case VIDIOC_TRY_FMT32:
+ case VIDIOC_S_HW_FREQ_SEEK:
ret = do_video_ioctl(file, cmd, arg);
break;
diff --git a/drivers/media/video/videodev.c b/drivers/media/video/videodev.c
index 7649860a388..52c56678ee6 100644
--- a/drivers/media/video/videodev.c
+++ b/drivers/media/video/videodev.c
@@ -278,6 +278,7 @@ static const char *v4l2_ioctls[] = {
[_IOC_NR(VIDIOC_DBG_G_REGISTER)] = "VIDIOC_DBG_G_REGISTER",
[_IOC_NR(VIDIOC_G_CHIP_IDENT)] = "VIDIOC_G_CHIP_IDENT",
+ [_IOC_NR(VIDIOC_S_HW_FREQ_SEEK)] = "VIDIOC_S_HW_FREQ_SEEK",
#endif
};
#define V4L2_IOCTLS ARRAY_SIZE(v4l2_ioctls)
@@ -1763,6 +1764,17 @@ static int __video_do_ioctl(struct inode *inode, struct file *file,
ret = vfd->vidioc_default(file, fh, cmd, arg);
break;
}
+ case VIDIOC_S_HW_FREQ_SEEK:
+ {
+ struct v4l2_hw_freq_seek *p = arg;
+ if (!vfd->vidioc_s_hw_freq_seek)
+ break;
+ dbgarg(cmd,
+ "tuner=%d, type=%d, seek_upward=%d, wrap_around=%d\n",
+ p->tuner, p->type, p->seek_upward, p->wrap_around);
+ ret = vfd->vidioc_s_hw_freq_seek(file, fh, p);
+ break;
+ }
} /* switch */
if (vfd->debug & V4L2_DEBUG_IOCTL_ARG) {
diff --git a/include/linux/videodev2.h b/include/linux/videodev2.h
index 4a535ea1e12..9385c823a97 100644
--- a/include/linux/videodev2.h
+++ b/include/linux/videodev2.h
@@ -246,6 +246,7 @@ struct v4l2_capability
#define V4L2_CAP_SLICED_VBI_OUTPUT 0x00000080 /* Is a sliced VBI output device */
#define V4L2_CAP_RDS_CAPTURE 0x00000100 /* RDS data capture */
#define V4L2_CAP_VIDEO_OUTPUT_OVERLAY 0x00000200 /* Can do video output overlay */
+#define V4L2_CAP_HW_FREQ_SEEK 0x00000400 /* Can do hardware frequency seek */
#define V4L2_CAP_TUNER 0x00010000 /* has a tuner */
#define V4L2_CAP_AUDIO 0x00020000 /* has audio support */
@@ -1156,6 +1157,14 @@ struct v4l2_frequency
__u32 reserved[8];
};
+struct v4l2_hw_freq_seek {
+ __u32 tuner;
+ enum v4l2_tuner_type type;
+ __u32 seek_upward;
+ __u32 wrap_around;
+ __u32 reserved[8];
+};
+
/*
* A U D I O
*/
@@ -1441,6 +1450,7 @@ struct v4l2_chip_ident {
#define VIDIOC_G_CHIP_IDENT _IOWR ('V', 81, struct v4l2_chip_ident)
#endif
+#define VIDIOC_S_HW_FREQ_SEEK _IOW ('V', 82, struct v4l2_hw_freq_seek)
#ifdef __OLD_VIDIOC_
/* for compatibility, will go away some day */
diff --git a/include/media/v4l2-dev.h b/include/media/v4l2-dev.h
index 859f7a6f6f6..53b651ac685 100644
--- a/include/media/v4l2-dev.h
+++ b/include/media/v4l2-dev.h
@@ -306,6 +306,8 @@ struct video_device
/* Log status ioctl */
int (*vidioc_log_status) (struct file *file, void *fh);
+ int (*vidioc_s_hw_freq_seek) (struct file *file, void *fh,
+ struct v4l2_hw_freq_seek *a);
/* Debugging ioctls */
#ifdef CONFIG_VIDEO_ADV_DEBUG