svn commit: r221426 - head/sys/compat/linux

Alexander Leidinger netchild at FreeBSD.org
Wed May 4 09:05:40 UTC 2011


Author: netchild
Date: Wed May  4 09:05:39 2011
New Revision: 221426
URL: http://svn.freebsd.org/changeset/base/221426

Log:
  This is v4l2 support for the linuxulator. This allows to access FreeBSD
  native devices which support the v4l2 API from processes running within
  the linuxulator, e.g. skype or flash can access the multimedia/pwcbsd
  or multimedia/webcamd supplied drivers.
  
  Submitted by:	nox
  MFC after:	1 month

Modified:
  head/sys/compat/linux/linux_ioctl.c
  head/sys/compat/linux/linux_ioctl.h

Modified: head/sys/compat/linux/linux_ioctl.c
==============================================================================
--- head/sys/compat/linux/linux_ioctl.c	Wed May  4 08:42:31 2011	(r221425)
+++ head/sys/compat/linux/linux_ioctl.c	Wed May  4 09:05:39 2011	(r221426)
@@ -59,6 +59,9 @@ __FBSDID("$FreeBSD$");
 #include <sys/sx.h>
 #include <sys/tty.h>
 #include <sys/uio.h>
+#include <sys/types.h>
+#include <sys/mman.h>
+#include <sys/resourcevar.h>
 
 #include <net/if.h>
 #include <net/if_dl.h>
@@ -83,6 +86,9 @@ __FBSDID("$FreeBSD$");
 #include <compat/linux/linux_videodev.h>
 #include <compat/linux/linux_videodev_compat.h>
 
+#include <compat/linux/linux_videodev2.h>
+#include <compat/linux/linux_videodev2_compat.h>
+
 CTASSERT(LINUX_IFNAMSIZ == IFNAMSIZ);
 
 static linux_ioctl_function_t linux_ioctl_cdrom;
@@ -97,6 +103,7 @@ static linux_ioctl_function_t linux_ioct
 static linux_ioctl_function_t linux_ioctl_drm;
 static linux_ioctl_function_t linux_ioctl_sg;
 static linux_ioctl_function_t linux_ioctl_v4l;
+static linux_ioctl_function_t linux_ioctl_v4l2;
 static linux_ioctl_function_t linux_ioctl_special;
 static linux_ioctl_function_t linux_ioctl_fbsd_usb;
 
@@ -124,6 +131,8 @@ static struct linux_ioctl_handler sg_han
 { linux_ioctl_sg, LINUX_IOCTL_SG_MIN, LINUX_IOCTL_SG_MAX };
 static struct linux_ioctl_handler video_handler =
 { linux_ioctl_v4l, LINUX_IOCTL_VIDEO_MIN, LINUX_IOCTL_VIDEO_MAX };
+static struct linux_ioctl_handler video2_handler =
+{ linux_ioctl_v4l2, LINUX_IOCTL_VIDEO2_MIN, LINUX_IOCTL_VIDEO2_MAX };
 static struct linux_ioctl_handler fbsd_usb =
 { linux_ioctl_fbsd_usb, FBSD_LUSB_MIN, FBSD_LUSB_MAX };
 
@@ -139,6 +148,7 @@ DATA_SET(linux_ioctl_handler_set, privat
 DATA_SET(linux_ioctl_handler_set, drm_handler);
 DATA_SET(linux_ioctl_handler_set, sg_handler);
 DATA_SET(linux_ioctl_handler_set, video_handler);
+DATA_SET(linux_ioctl_handler_set, video2_handler);
 DATA_SET(linux_ioctl_handler_set, fbsd_usb);
 
 struct handler_element
@@ -2988,6 +2998,302 @@ linux_ioctl_special(struct thread *td, s
 	return (error);
 }
 
+static int
+linux_to_bsd_v4l2_standard(struct l_v4l2_standard *lvstd, struct v4l2_standard *vstd)
+{
+	vstd->index = lvstd->index;
+	vstd->id = lvstd->id;
+	memcpy(&vstd->name, &lvstd->name, sizeof(*lvstd) - offsetof(struct l_v4l2_standard, name));
+	return (0);
+}
+
+static int
+bsd_to_linux_v4l2_standard(struct v4l2_standard *vstd, struct l_v4l2_standard *lvstd)
+{
+	lvstd->index = vstd->index;
+	lvstd->id = vstd->id;
+	memcpy(&lvstd->name, &vstd->name, sizeof(*lvstd) - offsetof(struct l_v4l2_standard, name));
+	return (0);
+}
+
+static int
+linux_to_bsd_v4l2_buffer(struct l_v4l2_buffer *lvb, struct v4l2_buffer *vb)
+{
+	vb->index = lvb->index;
+	vb->type = lvb->type;
+	vb->bytesused = lvb->bytesused;
+	vb->flags = lvb->flags;
+	vb->field = lvb->field;
+	vb->timestamp.tv_sec = lvb->timestamp.tv_sec;
+	vb->timestamp.tv_usec = lvb->timestamp.tv_usec;
+	memcpy(&vb->timecode, &lvb->timecode, sizeof (lvb->timecode));
+	vb->sequence = lvb->sequence;
+	vb->memory = lvb->memory;
+	if (lvb->memory == V4L2_MEMORY_USERPTR)
+		/* possible pointer size conversion */
+		vb->m.userptr = (unsigned long)PTRIN(lvb->m.userptr);
+	else
+		vb->m.offset = lvb->m.offset;
+	vb->length = lvb->length;
+	vb->input = lvb->input;
+	vb->reserved = lvb->reserved;
+	return (0);
+}
+
+static int
+bsd_to_linux_v4l2_buffer(struct v4l2_buffer *vb, struct l_v4l2_buffer *lvb)
+{
+	lvb->index = vb->index;
+	lvb->type = vb->type;
+	lvb->bytesused = vb->bytesused;
+	lvb->flags = vb->flags;
+	lvb->field = vb->field;
+	lvb->timestamp.tv_sec = vb->timestamp.tv_sec;
+	lvb->timestamp.tv_usec = vb->timestamp.tv_usec;
+	memcpy(&lvb->timecode, &vb->timecode, sizeof (vb->timecode));
+	lvb->sequence = vb->sequence;
+	lvb->memory = vb->memory;
+	if (vb->memory == V4L2_MEMORY_USERPTR)
+		/* possible pointer size conversion */
+		lvb->m.userptr = PTROUT(vb->m.userptr);
+	else
+		lvb->m.offset = vb->m.offset;
+	lvb->length = vb->length;
+	lvb->input = vb->input;
+	lvb->reserved = vb->reserved;
+	return (0);
+}
+
+static int
+linux_to_bsd_v4l2_format(struct l_v4l2_format *lvf, struct v4l2_format *vf)
+{
+	vf->type = lvf->type;
+	if (lvf->type == V4L2_BUF_TYPE_VIDEO_OVERLAY
+#ifdef V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY
+	    || lvf->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY
+#endif
+	    )
+		/*
+		 * XXX TODO - needs 32 -> 64 bit conversion:
+		 * (unused by webcams?)
+		 */
+		return EINVAL;
+	memcpy(&vf->fmt, &lvf->fmt, sizeof(vf->fmt));
+	return 0;
+}
+
+static int
+bsd_to_linux_v4l2_format(struct v4l2_format *vf, struct l_v4l2_format *lvf)
+{
+	lvf->type = vf->type;
+	if (vf->type == V4L2_BUF_TYPE_VIDEO_OVERLAY
+#ifdef V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY
+	    || vf->type == V4L2_BUF_TYPE_VIDEO_OUTPUT_OVERLAY
+#endif
+	    )
+		/*
+		 * XXX TODO - needs 32 -> 64 bit conversion:
+		 * (unused by webcams?)
+		 */
+		return EINVAL;
+	memcpy(&lvf->fmt, &vf->fmt, sizeof(vf->fmt));
+	return 0;
+}
+static int
+linux_ioctl_v4l2(struct thread *td, struct linux_ioctl_args *args)
+{
+	struct file *fp;
+	int error;
+	struct v4l2_format vformat;
+	struct l_v4l2_format l_vformat;
+	struct v4l2_standard vstd;
+	struct l_v4l2_standard l_vstd;
+	struct l_v4l2_buffer l_vbuf;
+	struct v4l2_buffer vbuf;
+	struct v4l2_input vinp;
+
+	switch (args->cmd & 0xffff) {
+	case LINUX_VIDIOC_RESERVED:
+	case LINUX_VIDIOC_LOG_STATUS:
+		if ((args->cmd & IOC_DIRMASK) != LINUX_IOC_VOID)
+			return ENOIOCTL;
+		args->cmd = (args->cmd & 0xffff) | IOC_VOID;
+		break;
+
+	case LINUX_VIDIOC_OVERLAY:
+	case LINUX_VIDIOC_STREAMON:
+	case LINUX_VIDIOC_STREAMOFF:
+	case LINUX_VIDIOC_S_STD:
+	case LINUX_VIDIOC_S_TUNER:
+	case LINUX_VIDIOC_S_AUDIO:
+	case LINUX_VIDIOC_S_AUDOUT:
+	case LINUX_VIDIOC_S_MODULATOR:
+	case LINUX_VIDIOC_S_FREQUENCY:
+	case LINUX_VIDIOC_S_CROP:
+	case LINUX_VIDIOC_S_JPEGCOMP:
+	case LINUX_VIDIOC_S_PRIORITY:
+	case LINUX_VIDIOC_DBG_S_REGISTER:
+	case LINUX_VIDIOC_S_HW_FREQ_SEEK:
+	case LINUX_VIDIOC_SUBSCRIBE_EVENT:
+	case LINUX_VIDIOC_UNSUBSCRIBE_EVENT:
+		args->cmd = (args->cmd & ~IOC_DIRMASK) | IOC_IN;
+		break;
+
+	case LINUX_VIDIOC_QUERYCAP:
+	case LINUX_VIDIOC_G_STD:
+	case LINUX_VIDIOC_G_AUDIO:
+	case LINUX_VIDIOC_G_INPUT:
+	case LINUX_VIDIOC_G_OUTPUT:
+	case LINUX_VIDIOC_G_AUDOUT:
+	case LINUX_VIDIOC_G_JPEGCOMP:
+	case LINUX_VIDIOC_QUERYSTD:
+	case LINUX_VIDIOC_G_PRIORITY:
+	case LINUX_VIDIOC_QUERY_DV_PRESET:
+		args->cmd = (args->cmd & ~IOC_DIRMASK) | IOC_OUT;
+		break;
+
+	case LINUX_VIDIOC_ENUM_FMT:
+	case LINUX_VIDIOC_REQBUFS:
+	case LINUX_VIDIOC_G_PARM:
+	case LINUX_VIDIOC_S_PARM:
+	case LINUX_VIDIOC_G_CTRL:
+	case LINUX_VIDIOC_S_CTRL:
+	case LINUX_VIDIOC_G_TUNER:
+	case LINUX_VIDIOC_QUERYCTRL:
+	case LINUX_VIDIOC_QUERYMENU:
+	case LINUX_VIDIOC_S_INPUT:
+	case LINUX_VIDIOC_S_OUTPUT:
+	case LINUX_VIDIOC_ENUMOUTPUT:
+	case LINUX_VIDIOC_G_MODULATOR:
+	case LINUX_VIDIOC_G_FREQUENCY:
+	case LINUX_VIDIOC_CROPCAP:
+	case LINUX_VIDIOC_G_CROP:
+	case LINUX_VIDIOC_ENUMAUDIO:
+	case LINUX_VIDIOC_ENUMAUDOUT:
+	case LINUX_VIDIOC_G_SLICED_VBI_CAP:
+#ifdef VIDIOC_ENUM_FRAMESIZES
+	case LINUX_VIDIOC_ENUM_FRAMESIZES:
+	case LINUX_VIDIOC_ENUM_FRAMEINTERVALS:
+	case LINUX_VIDIOC_ENCODER_CMD:
+	case LINUX_VIDIOC_TRY_ENCODER_CMD:
+#endif
+	case LINUX_VIDIOC_DBG_G_REGISTER:
+	case LINUX_VIDIOC_DBG_G_CHIP_IDENT:
+	case LINUX_VIDIOC_ENUM_DV_PRESETS:
+	case LINUX_VIDIOC_S_DV_PRESET:
+	case LINUX_VIDIOC_G_DV_PRESET:
+	case LINUX_VIDIOC_S_DV_TIMINGS:
+	case LINUX_VIDIOC_G_DV_TIMINGS:
+		args->cmd = (args->cmd & ~IOC_DIRMASK) | IOC_INOUT;
+		break;
+
+	case LINUX_VIDIOC_G_FMT:
+	case LINUX_VIDIOC_S_FMT:
+	case LINUX_VIDIOC_TRY_FMT:
+		error = copyin((void *)args->arg, &l_vformat, sizeof(l_vformat));
+		if (error)
+			return (error);
+		if ((error = fget(td, args->fd, &fp)) != 0)
+			return (error);
+		if (linux_to_bsd_v4l2_format(&l_vformat, &vformat) != 0)
+			error = EINVAL;
+		else if ((args->cmd & 0xffff) == LINUX_VIDIOC_G_FMT)
+			error = fo_ioctl(fp, VIDIOC_G_FMT, &vformat,
+			    td->td_ucred, td);
+		else if ((args->cmd & 0xffff) == LINUX_VIDIOC_S_FMT)
+			error = fo_ioctl(fp, VIDIOC_S_FMT, &vformat,
+			    td->td_ucred, td);
+		else
+			error = fo_ioctl(fp, VIDIOC_TRY_FMT, &vformat,
+			    td->td_ucred, td);
+		bsd_to_linux_v4l2_format(&vformat, &l_vformat);
+		copyout(&l_vformat, (void *)args->arg, sizeof(l_vformat));
+		fdrop(fp, td);
+		return (error);
+
+	case LINUX_VIDIOC_ENUMSTD:
+		error = copyin((void *)args->arg, &l_vstd, sizeof(l_vstd));
+		if (error)
+			return (error);
+		linux_to_bsd_v4l2_standard(&l_vstd, &vstd);
+		if ((error = fget(td, args->fd, &fp)) != 0)
+			return (error);
+		error = fo_ioctl(fp, VIDIOC_ENUMSTD, (caddr_t)&vstd,
+		    td->td_ucred, td);
+		if (error) {
+			fdrop(fp, td);
+			return (error);
+		}
+		bsd_to_linux_v4l2_standard(&vstd, &l_vstd);
+		error = copyout(&l_vstd, (void *)args->arg, sizeof(l_vstd));
+		fdrop(fp, td);
+		return (error);
+
+	case LINUX_VIDIOC_ENUMINPUT:
+		/*
+		 * The Linux struct l_v4l2_input differs only in size,
+		 * it has no padding at the end.
+		 */
+		error = copyin((void *)args->arg, &vinp,
+				sizeof(struct l_v4l2_input));
+		if (error != 0)
+			return (error);
+		if ((error = fget(td, args->fd, &fp)) != 0)
+			return (error);
+		error = fo_ioctl(fp, VIDIOC_ENUMINPUT, (caddr_t)&vinp,
+		    td->td_ucred, td);
+		if (error) {
+			fdrop(fp, td);
+			return (error);
+		}
+		error = copyout(&vinp, (void *)args->arg,
+				sizeof(struct l_v4l2_input));
+		fdrop(fp, td);
+		return (error);
+
+	case LINUX_VIDIOC_QUERYBUF:
+	case LINUX_VIDIOC_QBUF:
+	case LINUX_VIDIOC_DQBUF:
+		error = copyin((void *)args->arg, &l_vbuf, sizeof(l_vbuf));
+		if (error)
+			return (error);
+		if ((error = fget(td, args->fd, &fp)) != 0)
+			return (error);
+		linux_to_bsd_v4l2_buffer(&l_vbuf, &vbuf);
+		if ((args->cmd & 0xffff) == LINUX_VIDIOC_QUERYBUF)
+			error = fo_ioctl(fp, VIDIOC_QUERYBUF, &vbuf,
+			    td->td_ucred, td);
+		else if ((args->cmd & 0xffff) == LINUX_VIDIOC_QBUF)
+			error = fo_ioctl(fp, VIDIOC_QBUF, &vbuf,
+			    td->td_ucred, td);
+		else
+			error = fo_ioctl(fp, VIDIOC_DQBUF, &vbuf,
+			    td->td_ucred, td);
+		bsd_to_linux_v4l2_buffer(&vbuf, &l_vbuf);
+		copyout(&l_vbuf, (void *)args->arg, sizeof(l_vbuf));
+		fdrop(fp, td);
+		return (error);
+
+	/*
+	 * XXX TODO - these need 32 -> 64 bit conversion:
+	 * (are any of them needed for webcams?)
+	 */
+	case LINUX_VIDIOC_G_FBUF:
+	case LINUX_VIDIOC_S_FBUF:
+
+	case LINUX_VIDIOC_G_EXT_CTRLS:
+	case LINUX_VIDIOC_S_EXT_CTRLS:
+	case LINUX_VIDIOC_TRY_EXT_CTRLS:
+
+	case LINUX_VIDIOC_DQEVENT:
+
+	default:			return (ENOIOCTL);
+	}
+
+	error = ioctl(td, (struct ioctl_args *)args);
+	return (error);
+}
+
 /*
  * Support for emulators/linux-libusb. This port uses FBSD_LUSB* macros
  * instead of USB* ones. This lets us to provide correct values for cmd.

Modified: head/sys/compat/linux/linux_ioctl.h
==============================================================================
--- head/sys/compat/linux/linux_ioctl.h	Wed May  4 08:42:31 2011	(r221425)
+++ head/sys/compat/linux/linux_ioctl.h	Wed May  4 09:05:39 2011	(r221426)
@@ -32,6 +32,17 @@
 #define	_LINUX_IOCTL_H_
 
 /*
+ * ioctl
+ *
+ * XXX comments in Linux' <asm-generic/ioctl.h> indicate these
+ * could be arch-dependant...
+ */
+#define LINUX_IOC_VOID		0
+#define LINUX_IOC_IN		0x40000000
+#define LINUX_IOC_OUT		0x80000000
+#define LINUX_IOC_INOUT		(LINUX_IOC_IN|LINUX_IOC_OUT)
+
+/*
  * disk
  */
 #define	LINUX_BLKROSET		0x125d
@@ -612,6 +623,92 @@ int		 linux_ifname(struct ifnet *, char 
 #define LINUX_IOCTL_VIDEO_MIN	LINUX_VIDIOCGCAP
 #define LINUX_IOCTL_VIDEO_MAX	LINUX_VIDIOCSVBIFMT
 
+/* videodev2 aka V4L2 */
+
+#define LINUX_VIDIOC_QUERYCAP			0x5600 /* 0x80685600 */
+#define LINUX_VIDIOC_RESERVED			0x5601 /* 0x00005601 */
+#define LINUX_VIDIOC_ENUM_FMT			0x5602 /* 0xc0405602 */
+#define LINUX_VIDIOC_G_FMT			0x5604 /* 0xc0cc5604 */
+#define LINUX_VIDIOC_S_FMT			0x5605 /* 0xc0cc5605 */
+#define LINUX_VIDIOC_REQBUFS			0x5608 /* 0xc0145608 */
+#define LINUX_VIDIOC_QUERYBUF			0x5609 /* 0xc0445609 */
+#define LINUX_VIDIOC_G_FBUF			0x560a /* 0x802c560a */
+#define LINUX_VIDIOC_S_FBUF			0x560b /* 0x402c560b */
+#define LINUX_VIDIOC_OVERLAY			0x560e /* 0x4004560e */
+#define LINUX_VIDIOC_QBUF			0x560f /* 0xc044560f */
+#define LINUX_VIDIOC_DQBUF			0x5611 /* 0xc0445611 */
+#define LINUX_VIDIOC_STREAMON			0x5612 /* 0x40045612 */
+#define LINUX_VIDIOC_STREAMOFF			0x5613 /* 0x40045613 */
+#define LINUX_VIDIOC_G_PARM			0x5615 /* 0xc0cc5615 */
+#define LINUX_VIDIOC_S_PARM			0x5616 /* 0xc0cc5616 */
+#define LINUX_VIDIOC_G_STD			0x5617 /* 0x80085617 */
+#define LINUX_VIDIOC_S_STD			0x5618 /* 0x40085618 */
+#define LINUX_VIDIOC_ENUMSTD			0x5619 /* 0xc0405619 */
+#define LINUX_VIDIOC_ENUMINPUT			0x561a /* 0xc04c561a */
+#define LINUX_VIDIOC_G_CTRL			0x561b /* 0xc008561b */
+#define LINUX_VIDIOC_S_CTRL			0x561c /* 0xc008561c */
+#define LINUX_VIDIOC_G_TUNER			0x561d /* 0xc054561d */
+#define LINUX_VIDIOC_S_TUNER			0x561e /* 0x4054561e */
+#define LINUX_VIDIOC_G_AUDIO			0x5621 /* 0x80345621 */
+#define LINUX_VIDIOC_S_AUDIO			0x5622 /* 0x40345622 */
+#define LINUX_VIDIOC_QUERYCTRL			0x5624 /* 0xc0445624 */
+#define LINUX_VIDIOC_QUERYMENU			0x5625 /* 0xc02c5625 */
+#define LINUX_VIDIOC_G_INPUT			0x5626 /* 0x80045626 */
+#define LINUX_VIDIOC_S_INPUT			0x5627 /* 0xc0045627 */
+#define LINUX_VIDIOC_G_OUTPUT			0x562e /* 0x8004562e */
+#define LINUX_VIDIOC_S_OUTPUT			0x562f /* 0xc004562f */
+#define LINUX_VIDIOC_ENUMOUTPUT			0x5630 /* 0xc0485630 */
+#define LINUX_VIDIOC_G_AUDOUT			0x5631 /* 0x80345631 */
+#define LINUX_VIDIOC_S_AUDOUT			0x5632 /* 0x40345632 */
+#define LINUX_VIDIOC_G_MODULATOR		0x5636 /* 0xc0445636 */
+#define LINUX_VIDIOC_S_MODULATOR		0x5637 /* 0x40445637 */
+#define LINUX_VIDIOC_G_FREQUENCY		0x5638 /* 0xc02c5638 */
+#define LINUX_VIDIOC_S_FREQUENCY		0x5639 /* 0x402c5639 */
+#define LINUX_VIDIOC_CROPCAP			0x563a /* 0xc02c563a */
+#define LINUX_VIDIOC_G_CROP			0x563b /* 0xc014563b */
+#define LINUX_VIDIOC_S_CROP			0x563c /* 0x4014563c */
+#define LINUX_VIDIOC_G_JPEGCOMP			0x563d /* 0x808c563d */
+#define LINUX_VIDIOC_S_JPEGCOMP			0x563e /* 0x408c563e */
+#define LINUX_VIDIOC_QUERYSTD			0x563f /* 0x8008563f */
+#define LINUX_VIDIOC_TRY_FMT			0x5640 /* 0xc0cc5640 */
+#define LINUX_VIDIOC_ENUMAUDIO			0x5641 /* 0xc0345641 */
+#define LINUX_VIDIOC_ENUMAUDOUT			0x5642 /* 0xc0345642 */
+#define LINUX_VIDIOC_G_PRIORITY			0x5643 /* 0x80045643 */
+#define LINUX_VIDIOC_S_PRIORITY			0x5644 /* 0x40045644 */
+#define LINUX_VIDIOC_G_SLICED_VBI_CAP		0x5645 /* 0xc0745645 */
+#define LINUX_VIDIOC_LOG_STATUS			0x5646 /* 0x00005646 */
+#define LINUX_VIDIOC_G_EXT_CTRLS		0x5647 /* 0xc0185647 */
+#define LINUX_VIDIOC_S_EXT_CTRLS		0x5648 /* 0xc0185648 */
+#define LINUX_VIDIOC_TRY_EXT_CTRLS		0x5649 /* 0xc0185649 */
+#define LINUX_VIDIOC_ENUM_FRAMESIZES		0x564a /* 0xc02c564a */
+#define LINUX_VIDIOC_ENUM_FRAMEINTERVALS	0x564b /* 0xc034564b */
+#define LINUX_VIDIOC_G_ENC_INDEX		0x564c /* 0x8818564c */
+#define LINUX_VIDIOC_ENCODER_CMD		0x564d /* 0xc028564d */
+#define LINUX_VIDIOC_TRY_ENCODER_CMD		0x564e /* 0xc028564e */
+#define LINUX_VIDIOC_DBG_S_REGISTER		0x564f /* 0x4038564f */
+#define LINUX_VIDIOC_DBG_G_REGISTER		0x5650 /* 0xc0385650 */
+#define LINUX_VIDIOC_DBG_G_CHIP_IDENT		0x5651 /* 0xc02c5651 */
+#define LINUX_VIDIOC_S_HW_FREQ_SEEK		0x5652 /* 0x40305652 */
+#define LINUX_VIDIOC_ENUM_DV_PRESETS		0x5653 /* 0xc0405653 */
+#define LINUX_VIDIOC_S_DV_PRESET		0x5654 /* 0xc0145654 */
+#define LINUX_VIDIOC_G_DV_PRESET		0x5655 /* 0xc0145655 */
+#define LINUX_VIDIOC_QUERY_DV_PRESET		0x5656 /* 0x80145656 */
+#define LINUX_VIDIOC_S_DV_TIMINGS		0x5657 /* 0xc0845657 */
+#define LINUX_VIDIOC_G_DV_TIMINGS		0x5658 /* 0xc0845658 */
+#define LINUX_VIDIOC_DQEVENT			0x5659 /* 0x80785659 */
+#define LINUX_VIDIOC_SUBSCRIBE_EVENT		0x565a /* 0x4020565a */
+#define LINUX_VIDIOC_UNSUBSCRIBE_EVENT		0x565b /* 0x4020565b */
+
+#define LINUX_VIDIOC_OVERLAY_OLD		0x560e /* 0xc004560e */
+#define LINUX_VIDIOC_S_PARM_OLD			0x5616 /* 0x40cc5616 */
+#define LINUX_VIDIOC_S_CTRL_OLD			0x561c /* 0x4008561c */
+#define LINUX_VIDIOC_G_AUDIO_OLD		0x5621 /* 0xc0345621 */
+#define LINUX_VIDIOC_G_AUDOUT_OLD		0x5631 /* 0xc0345631 */
+#define LINUX_VIDIOC_CROPCAP_OLD		0x563a /* 0x802c563a */
+
+#define LINUX_IOCTL_VIDEO2_MIN	LINUX_VIDIOC_QUERYCAP
+#define LINUX_IOCTL_VIDEO2_MAX	LINUX_VIDIOC_UNSUBSCRIBE_EVENT
+
 /*
  * Our libusb(8) calls emulated within linux(4).
  */


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