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[media] v4l2: add support for SDR transmitter 

New IOCTL ops:
vidioc_enum_fmt_sdr_out
vidioc_g_fmt_sdr_out
vidioc_s_fmt_sdr_out
vidioc_try_fmt_sdr_out

New vb2 buffertype:
V4L2_BUF_TYPE_SDR_OUTPUT

New v4l2 capability:
V4L2_CAP_SDR_OUTPUT

Signed-off-by: Antti Palosaari <crope@iki.fi>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
This commit is contained in:
Antti Palosaari 2015-10-10 13:51:00 -03:00 committed by Mauro Carvalho Chehab
parent b2411b93cd
commit 9effc72fd7
7 changed files with 55 additions and 4 deletions
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2
drivers/media/v4l2-core/v4l2-compat-ioctl32.c
View File

@ -214,6 +214,7 @@ static int __get_v4l2_format32(struct v4l2_format *kp, struct v4l2_format32 __us
case V4L2_BUF_TYPE_SLICED_VBI_OUTPUT:
return get_v4l2_sliced_vbi_format(&kp->fmt.sliced, &up->fmt.sliced);
case V4L2_BUF_TYPE_SDR_CAPTURE:
case V4L2_BUF_TYPE_SDR_OUTPUT:
return get_v4l2_sdr_format(&kp->fmt.sdr, &up->fmt.sdr);
default:
pr_info("compat_ioctl32: unexpected VIDIOC_FMT type %d\n",
@ -260,6 +261,7 @@ static int __put_v4l2_format32(struct v4l2_format *kp, struct v4l2_format32 __us
case V4L2_BUF_TYPE_SLICED_VBI_OUTPUT:
return put_v4l2_sliced_vbi_format(&kp->fmt.sliced, &up->fmt.sliced);
case V4L2_BUF_TYPE_SDR_CAPTURE:
case V4L2_BUF_TYPE_SDR_OUTPUT:
return put_v4l2_sdr_format(&kp->fmt.sdr, &up->fmt.sdr);
default:
pr_info("compat_ioctl32: unexpected VIDIOC_FMT type %d\n",

14
drivers/media/v4l2-core/v4l2-dev.c
View File

@ -637,8 +637,8 @@ static void determine_valid_ioctls(struct video_device *vdev)
ops->vidioc_try_fmt_sliced_vbi_out)))
set_bit(_IOC_NR(VIDIOC_TRY_FMT), valid_ioctls);
SET_VALID_IOCTL(ops, VIDIOC_G_SLICED_VBI_CAP, vidioc_g_sliced_vbi_cap);
} else if (is_sdr) {
/* SDR specific ioctls */
} else if (is_sdr && is_rx) {
/* SDR receiver specific ioctls */
if (ops->vidioc_enum_fmt_sdr_cap)
set_bit(_IOC_NR(VIDIOC_ENUM_FMT), valid_ioctls);
if (ops->vidioc_g_fmt_sdr_cap)
@ -647,6 +647,16 @@ static void determine_valid_ioctls(struct video_device *vdev)
set_bit(_IOC_NR(VIDIOC_S_FMT), valid_ioctls);
if (ops->vidioc_try_fmt_sdr_cap)
set_bit(_IOC_NR(VIDIOC_TRY_FMT), valid_ioctls);
} else if (is_sdr && is_tx) {
/* SDR transmitter specific ioctls */
if (ops->vidioc_enum_fmt_sdr_out)
set_bit(_IOC_NR(VIDIOC_ENUM_FMT), valid_ioctls);
if (ops->vidioc_g_fmt_sdr_out)
set_bit(_IOC_NR(VIDIOC_G_FMT), valid_ioctls);
if (ops->vidioc_s_fmt_sdr_out)
set_bit(_IOC_NR(VIDIOC_S_FMT), valid_ioctls);
if (ops->vidioc_try_fmt_sdr_out)
set_bit(_IOC_NR(VIDIOC_TRY_FMT), valid_ioctls);
}
if (is_vid || is_vbi || is_sdr) {

25
drivers/media/v4l2-core/v4l2-ioctl.c
View File

@ -153,6 +153,7 @@ const char *v4l2_type_names[] = {
[V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE] = "vid-cap-mplane",
[V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE] = "vid-out-mplane",
[V4L2_BUF_TYPE_SDR_CAPTURE] = "sdr-cap",
[V4L2_BUF_TYPE_SDR_OUTPUT] = "sdr-out",
};
EXPORT_SYMBOL(v4l2_type_names);
@ -326,6 +327,7 @@ static void v4l_print_format(const void *arg, bool write_only)
sliced->service_lines[1][i]);
break;
case V4L2_BUF_TYPE_SDR_CAPTURE:
case V4L2_BUF_TYPE_SDR_OUTPUT:
sdr = &p->fmt.sdr;
pr_cont(", pixelformat=%c%c%c%c\n",
(sdr->pixelformat >> 0) & 0xff,
@ -974,6 +976,10 @@ static int check_fmt(struct file *file, enum v4l2_buf_type type)
if (is_sdr && is_rx && ops->vidioc_g_fmt_sdr_cap)
return 0;
break;
case V4L2_BUF_TYPE_SDR_OUTPUT:
if (is_sdr && is_tx && ops->vidioc_g_fmt_sdr_out)
return 0;
break;
default:
break;
}
@ -1324,6 +1330,11 @@ static int v4l_enum_fmt(const struct v4l2_ioctl_ops *ops,
break;
ret = ops->vidioc_enum_fmt_sdr_cap(file, fh, arg);
break;
case V4L2_BUF_TYPE_SDR_OUTPUT:
if (unlikely(!is_tx || !is_sdr || !ops->vidioc_enum_fmt_sdr_out))
break;
ret = ops->vidioc_enum_fmt_sdr_out(file, fh, arg);
break;
}
if (ret == 0)
v4l_fill_fmtdesc(p);
@ -1418,6 +1429,10 @@ static int v4l_g_fmt(const struct v4l2_ioctl_ops *ops,
if (unlikely(!is_rx || !is_sdr || !ops->vidioc_g_fmt_sdr_cap))
break;
return ops->vidioc_g_fmt_sdr_cap(file, fh, arg);
case V4L2_BUF_TYPE_SDR_OUTPUT:
if (unlikely(!is_tx || !is_sdr || !ops->vidioc_g_fmt_sdr_out))
break;
return ops->vidioc_g_fmt_sdr_out(file, fh, arg);
}
return -EINVAL;
}
@ -1497,6 +1512,11 @@ static int v4l_s_fmt(const struct v4l2_ioctl_ops *ops,
break;
CLEAR_AFTER_FIELD(p, fmt.sdr);
return ops->vidioc_s_fmt_sdr_cap(file, fh, arg);
case V4L2_BUF_TYPE_SDR_OUTPUT:
if (unlikely(!is_tx || !is_sdr || !ops->vidioc_s_fmt_sdr_out))
break;
CLEAR_AFTER_FIELD(p, fmt.sdr);
return ops->vidioc_s_fmt_sdr_out(file, fh, arg);
}
return -EINVAL;
}
@ -1576,6 +1596,11 @@ static int v4l_try_fmt(const struct v4l2_ioctl_ops *ops,
break;
CLEAR_AFTER_FIELD(p, fmt.sdr);
return ops->vidioc_try_fmt_sdr_cap(file, fh, arg);
case V4L2_BUF_TYPE_SDR_OUTPUT:
if (unlikely(!is_tx || !is_sdr || !ops->vidioc_try_fmt_sdr_out))
break;
CLEAR_AFTER_FIELD(p, fmt.sdr);
return ops->vidioc_try_fmt_sdr_out(file, fh, arg);
}
return -EINVAL;
}

4
drivers/media/v4l2-core/videobuf-core.c
View File

@ -576,7 +576,8 @@ int videobuf_qbuf(struct videobuf_queue *q, struct v4l2_buffer *b)
}
if (q->type == V4L2_BUF_TYPE_VIDEO_OUTPUT
|| q->type == V4L2_BUF_TYPE_VBI_OUTPUT
|| q->type == V4L2_BUF_TYPE_SLICED_VBI_OUTPUT) {
|| q->type == V4L2_BUF_TYPE_SLICED_VBI_OUTPUT
|| q->type == V4L2_BUF_TYPE_SDR_OUTPUT) {
buf->size = b->bytesused;
buf->field = b->field;
buf->ts = b->timestamp;
@ -1154,6 +1155,7 @@ unsigned int videobuf_poll_stream(struct file *file,
case V4L2_BUF_TYPE_VIDEO_OUTPUT:
case V4L2_BUF_TYPE_VBI_OUTPUT:
case V4L2_BUF_TYPE_SLICED_VBI_OUTPUT:
case V4L2_BUF_TYPE_SDR_OUTPUT:
rc = POLLOUT | POLLWRNORM;
break;
default:

8
include/media/v4l2-ioctl.h
View File

@ -36,6 +36,8 @@ struct v4l2_ioctl_ops {
struct v4l2_fmtdesc *f);
int (*vidioc_enum_fmt_sdr_cap) (struct file *file, void *fh,
struct v4l2_fmtdesc *f);
int (*vidioc_enum_fmt_sdr_out) (struct file *file, void *fh,
struct v4l2_fmtdesc *f);
/* VIDIOC_G_FMT handlers */
int (*vidioc_g_fmt_vid_cap) (struct file *file, void *fh,
@ -60,6 +62,8 @@ struct v4l2_ioctl_ops {
struct v4l2_format *f);
int (*vidioc_g_fmt_sdr_cap) (struct file *file, void *fh,
struct v4l2_format *f);
int (*vidioc_g_fmt_sdr_out) (struct file *file, void *fh,
struct v4l2_format *f);
/* VIDIOC_S_FMT handlers */
int (*vidioc_s_fmt_vid_cap) (struct file *file, void *fh,
@ -84,6 +88,8 @@ struct v4l2_ioctl_ops {
struct v4l2_format *f);
int (*vidioc_s_fmt_sdr_cap) (struct file *file, void *fh,
struct v4l2_format *f);
int (*vidioc_s_fmt_sdr_out) (struct file *file, void *fh,
struct v4l2_format *f);
/* VIDIOC_TRY_FMT handlers */
int (*vidioc_try_fmt_vid_cap) (struct file *file, void *fh,
@ -108,6 +114,8 @@ struct v4l2_ioctl_ops {
struct v4l2_format *f);
int (*vidioc_try_fmt_sdr_cap) (struct file *file, void *fh,
struct v4l2_format *f);
int (*vidioc_try_fmt_sdr_out) (struct file *file, void *fh,
struct v4l2_format *f);
/* Buffer handlers */
int (*vidioc_reqbufs) (struct file *file, void *fh, struct v4l2_requestbuffers *b);

1
include/trace/events/v4l2.h
View File

@ -28,6 +28,7 @@
EM( V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE, "VIDEO_CAPTURE_MPLANE" ) \
EM( V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE, "VIDEO_OUTPUT_MPLANE" ) \
EM( V4L2_BUF_TYPE_SDR_CAPTURE, "SDR_CAPTURE" ) \
EM( V4L2_BUF_TYPE_SDR_OUTPUT, "SDR_OUTPUT" ) \
EMe(V4L2_BUF_TYPE_PRIVATE, "PRIVATE" )
SHOW_TYPE

5
include/uapi/linux/videodev2.h
View File

@ -145,6 +145,7 @@ enum v4l2_buf_type {
V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE = 9,
V4L2_BUF_TYPE_VIDEO_OUTPUT_MPLANE = 10,
V4L2_BUF_TYPE_SDR_CAPTURE = 11,
V4L2_BUF_TYPE_SDR_OUTPUT = 12,
/* Deprecated, do not use */
V4L2_BUF_TYPE_PRIVATE = 0x80,
};
@ -159,7 +160,8 @@ enum v4l2_buf_type {
|| (type) == V4L2_BUF_TYPE_VIDEO_OVERLAY \
|| (type) == V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY \
|| (type) == V4L2_BUF_TYPE_VBI_OUTPUT \
|| (type) == V4L2_BUF_TYPE_SLICED_VBI_OUTPUT)
|| (type) == V4L2_BUF_TYPE_SLICED_VBI_OUTPUT \
|| (type) == V4L2_BUF_TYPE_SDR_OUTPUT)
enum v4l2_tuner_type {
V4L2_TUNER_RADIO = 1,
@ -435,6 +437,7 @@ struct v4l2_capability {
#define V4L2_CAP_SDR_CAPTURE 0x00100000 /* Is a SDR capture device */
#define V4L2_CAP_EXT_PIX_FORMAT 0x00200000 /* Supports the extended pixel format */
#define V4L2_CAP_SDR_OUTPUT 0x00400000 /* Is a SDR output device */
#define V4L2_CAP_READWRITE 0x01000000 /* read/write systemcalls */
#define V4L2_CAP_ASYNCIO 0x02000000 /* async I/O */