From 9effc72fd71b6e8fd2676bcb57fac3f05ab93043 Mon Sep 17 00:00:00 2001 From: Antti Palosaari Date: Sat, 10 Oct 2015 13:51:00 -0300 Subject: [PATCH] [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 Signed-off-by: Hans Verkuil Signed-off-by: Mauro Carvalho Chehab --- drivers/media/v4l2-core/v4l2-compat-ioctl32.c | 2 ++ drivers/media/v4l2-core/v4l2-dev.c | 14 +++++++++-- drivers/media/v4l2-core/v4l2-ioctl.c | 25 +++++++++++++++++++ drivers/media/v4l2-core/videobuf-core.c | 4 ++- include/media/v4l2-ioctl.h | 8 ++++++ include/trace/events/v4l2.h | 1 + include/uapi/linux/videodev2.h | 5 +++- 7 files changed, 55 insertions(+), 4 deletions(-) diff --git a/drivers/media/v4l2-core/v4l2-compat-ioctl32.c b/drivers/media/v4l2-core/v4l2-compat-ioctl32.c index d032e9a2b212..327e83ac2469 100644 --- a/drivers/media/v4l2-core/v4l2-compat-ioctl32.c +++ b/drivers/media/v4l2-core/v4l2-compat-ioctl32.c @@ -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", diff --git a/drivers/media/v4l2-core/v4l2-dev.c b/drivers/media/v4l2-core/v4l2-dev.c index 71a1b93b0790..6b1eaeddbdb3 100644 --- a/drivers/media/v4l2-core/v4l2-dev.c +++ b/drivers/media/v4l2-core/v4l2-dev.c @@ -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) { diff --git a/drivers/media/v4l2-core/v4l2-ioctl.c b/drivers/media/v4l2-core/v4l2-ioctl.c index 056a5ade5870..073ab36b880a 100644 --- a/drivers/media/v4l2-core/v4l2-ioctl.c +++ b/drivers/media/v4l2-core/v4l2-ioctl.c @@ -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; } diff --git a/drivers/media/v4l2-core/videobuf-core.c b/drivers/media/v4l2-core/videobuf-core.c index 926836d1813a..6c02989ee33f 100644 --- a/drivers/media/v4l2-core/videobuf-core.c +++ b/drivers/media/v4l2-core/videobuf-core.c @@ -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: diff --git a/include/media/v4l2-ioctl.h b/include/media/v4l2-ioctl.h index 8fbbd76d78e8..017ffb2220c7 100644 --- a/include/media/v4l2-ioctl.h +++ b/include/media/v4l2-ioctl.h @@ -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); diff --git a/include/trace/events/v4l2.h b/include/trace/events/v4l2.h index 04ef89b15ae2..22afa26e34b2 100644 --- a/include/trace/events/v4l2.h +++ b/include/trace/events/v4l2.h @@ -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 diff --git a/include/uapi/linux/videodev2.h b/include/uapi/linux/videodev2.h index fa8bf2d07a52..f95e1ef0e7e6 100644 --- a/include/uapi/linux/videodev2.h +++ b/include/uapi/linux/videodev2.h @@ -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 */ -- 2.39.5