[media] v4l2 framework: add support for the new dv_timings ioctls

Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com> Reviewed-by: Mauro Carvalho Chehab <mchehab@redhat.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
author: Hans Verkuil <hans.verkuil@cisco.com> 2012-05-15 07:06:44 -0400
committer: Mauro Carvalho Chehab <mchehab@redhat.com> 2012-05-20 07:22:30 -0400
commit: 5d7758eed2307f7b9934c6b64fbdbfaab52e436d (patch)
tree: 6f0405a3da7a7463b81e65a9fc9475492c75db24
parent: 7dcc606b2a980222d9816d092a5c20b7c98cbd1a (diff)
4 files changed, 104 insertions, 37 deletions
diff --git a/drivers/media/video/v4l2-compat-ioctl32.c b/drivers/media/video/v4l2-compat-ioctl32.c
index 89ae433877e6..5327ad3a6390 100644
--- a/drivers/media/video/v4l2-compat-ioctl32.c
+++ b/drivers/media/video/v4l2-compat-ioctl32.c
@@ -1023,6 +1023,9 @@ long v4l2_compat_ioctl32(struct file *file, unsigned int cmd, unsigned long arg)
        case VIDIOC_UNSUBSCRIBE_EVENT:
        case VIDIOC_CREATE_BUFS32:
        case VIDIOC_PREPARE_BUF32:
+        case VIDIOC_ENUM_DV_TIMINGS:
+        case VIDIOC_QUERY_DV_TIMINGS:
+        case VIDIOC_DV_TIMINGS_CAP:
                ret = do_video_ioctl(file, cmd, arg);
                break;
diff --git a/drivers/media/video/v4l2-ioctl.c b/drivers/media/video/v4l2-ioctl.c
index 623d280ce095..91be4e871f43 100644
--- a/drivers/media/video/v4l2-ioctl.c
+++ b/drivers/media/video/v4l2-ioctl.c
@@ -281,6 +281,9 @@ static struct v4l2_ioctl_info v4l2_ioctls[] = {
        IOCTL_INFO(VIDIOC_UNSUBSCRIBE_EVENT, 0),
        IOCTL_INFO(VIDIOC_CREATE_BUFS, INFO_FL_PRIO),
        IOCTL_INFO(VIDIOC_PREPARE_BUF, 0),
+        IOCTL_INFO(VIDIOC_ENUM_DV_TIMINGS, 0),
+        IOCTL_INFO(VIDIOC_QUERY_DV_TIMINGS, 0),
+        IOCTL_INFO(VIDIOC_DV_TIMINGS_CAP, 0),
 };
 #define V4L2_IOCTLS ARRAY_SIZE(v4l2_ioctls)
@@ -368,6 +371,34 @@ static inline void dbgrect(struct video_device *vfd, char *s,
                                                r->width, r->height);
 };
+static void dbgtimings(struct video_device *vfd,
+                        const struct v4l2_dv_timings *p)
+{
+        switch (p->type) {
+        case V4L2_DV_BT_656_1120:
+                dbgarg2("bt-656/1120:interlaced=%d,"
+                                " pixelclock=%lld,"
+                                " width=%d, height=%d, polarities=%x,"
+                                " hfrontporch=%d, hsync=%d,"
+                                " hbackporch=%d, vfrontporch=%d,"
+                                " vsync=%d, vbackporch=%d,"
+                                " il_vfrontporch=%d, il_vsync=%d,"
+                                " il_vbackporch=%d, standards=%x, flags=%x\n",
+                                p->bt.interlaced, p->bt.pixelclock,
+                                p->bt.width, p->bt.height,
+                                p->bt.polarities, p->bt.hfrontporch,
+                                p->bt.hsync, p->bt.hbackporch,
+                                p->bt.vfrontporch, p->bt.vsync,
+                                p->bt.vbackporch, p->bt.il_vfrontporch,
+                                p->bt.il_vsync, p->bt.il_vbackporch,
+                                p->bt.standards, p->bt.flags);
+                break;
+        default:
+                dbgarg2("Unknown type %d!\n", p->type);
+                break;
+        }
+}
 static inline void v4l_print_pix_fmt(struct video_device *vfd,
                                                struct v4l2_pix_format *fmt)
 {
@@ -1916,25 +1947,13 @@ static long __video_do_ioctl(struct file *file,
        {
                struct v4l2_dv_timings *p = arg;
+                dbgtimings(vfd, p);
                switch (p->type) {
                case V4L2_DV_BT_656_1120:
-                        dbgarg2("bt-656/1120:interlaced=%d, pixelclock=%lld,"
-                                " width=%d, height=%d, polarities=%x,"
-                                " hfrontporch=%d, hsync=%d, hbackporch=%d,"
-                                " vfrontporch=%d, vsync=%d, vbackporch=%d,"
-                                " il_vfrontporch=%d, il_vsync=%d,"
-                                " il_vbackporch=%d\n",
-                                p->bt.interlaced, p->bt.pixelclock,
-                                p->bt.width, p->bt.height, p->bt.polarities,
-                                p->bt.hfrontporch, p->bt.hsync,
-                                p->bt.hbackporch, p->bt.vfrontporch,
-                                p->bt.vsync, p->bt.vbackporch,
-                                p->bt.il_vfrontporch, p->bt.il_vsync,
-                                p->bt.il_vbackporch);
                        ret = ops->vidioc_s_dv_timings(file, fh, p);
                        break;
                default:
-                        dbgarg2("Unknown type %d!\n", p->type);
+                        ret = -EINVAL;
                        break;
                }
                break;
@@ -1944,29 +1963,60 @@ static long __video_do_ioctl(struct file *file,
                struct v4l2_dv_timings *p = arg;
                ret = ops->vidioc_g_dv_timings(file, fh, p);
+                if (!ret)
+                        dbgtimings(vfd, p);
+                break;
+        }
+        case VIDIOC_ENUM_DV_TIMINGS:
+        {
+                struct v4l2_enum_dv_timings *p = arg;
+                if (!ops->vidioc_enum_dv_timings)
+                        break;
+                ret = ops->vidioc_enum_dv_timings(file, fh, p);
                if (!ret) {
-                        switch (p->type) {
+                        dbgarg(cmd, "index=%d: ", p->index);
-                        case V4L2_DV_BT_656_1120:
+                        dbgtimings(vfd, &p->timings);
-                                dbgarg2("bt-656/1120:interlaced=%d,"
+                }
-                                        " pixelclock=%lld,"
+                break;
-                                        " width=%d, height=%d, polarities=%x,"
+        }
-                                        " hfrontporch=%d, hsync=%d,"
+        case VIDIOC_QUERY_DV_TIMINGS:
-                                        " hbackporch=%d, vfrontporch=%d,"
+        {
-                                        " vsync=%d, vbackporch=%d,"
+                struct v4l2_dv_timings *p = arg;
-                                        " il_vfrontporch=%d, il_vsync=%d,"
-                                        " il_vbackporch=%d\n",
+                if (!ops->vidioc_query_dv_timings)
-                                        p->bt.interlaced, p->bt.pixelclock,
+                        break;
-                                        p->bt.width, p->bt.height,
-                                        p->bt.polarities, p->bt.hfrontporch,
+                ret = ops->vidioc_query_dv_timings(file, fh, p);
-                                        p->bt.hsync, p->bt.hbackporch,
+                if (!ret)
-                                        p->bt.vfrontporch, p->bt.vsync,
+                        dbgtimings(vfd, p);
-                                        p->bt.vbackporch, p->bt.il_vfrontporch,
+                break;
-                                        p->bt.il_vsync, p->bt.il_vbackporch);
+        }
-                                break;
+        case VIDIOC_DV_TIMINGS_CAP:
-                        default:
+        {
-                                dbgarg2("Unknown type %d!\n", p->type);
+                struct v4l2_dv_timings_cap *p = arg;
-                                break;
-                        }
+                if (!ops->vidioc_dv_timings_cap)
+                        break;
+                ret = ops->vidioc_dv_timings_cap(file, fh, p);
+                if (ret)
+                        break;
+                switch (p->type) {
+                case V4L2_DV_BT_656_1120:
+                        dbgarg(cmd,
+                               "type=%d, width=%u-%u, height=%u-%u, "
+                               "pixelclock=%llu-%llu, standards=%x, capabilities=%x ",
+                               p->type,
+                               p->bt.min_width, p->bt.max_width,
+                               p->bt.min_height, p->bt.max_height,
+                               p->bt.min_pixelclock, p->bt.max_pixelclock,
+                               p->bt.standards, p->bt.capabilities);
+                        break;
+                default:
+                        dbgarg(cmd, "unknown type ");
+                        break;
                }
                break;
        }
@@ -2215,7 +2265,9 @@ video_usercopy(struct file *file, unsigned int cmd, unsigned long arg,
author	Hans Verkuil <hans.verkuil@cisco.com>	2012-05-15 07:06:44 -0400
committer	Mauro Carvalho Chehab <mchehab@redhat.com>	2012-05-20 07:22:30 -0400
commit	5d7758eed2307f7b9934c6b64fbdbfaab52e436d (patch)
tree	6f0405a3da7a7463b81e65a9fc9475492c75db24
parent	7dcc606b2a980222d9816d092a5c20b7c98cbd1a (diff)

diff --git a/drivers/media/video/v4l2-compat-ioctl32.c b/drivers/media/video/v4l2-compat-ioctl32.c index 89ae433877e6..5327ad3a6390 100644 --- a/drivers/media/video/v4l2-compat-ioctl32.c +++ b/drivers/media/video/v4l2-compat-ioctl32.c
@@ -1023,6 +1023,9 @@ long v4l2_compat_ioctl32(struct file *file, unsigned int cmd, unsigned long arg)
1023	case VIDIOC_UNSUBSCRIBE_EVENT:	1023	case VIDIOC_UNSUBSCRIBE_EVENT:
1024	case VIDIOC_CREATE_BUFS32:	1024	case VIDIOC_CREATE_BUFS32:
1025	case VIDIOC_PREPARE_BUF32:	1025	case VIDIOC_PREPARE_BUF32:
		1026	case VIDIOC_ENUM_DV_TIMINGS:
		1027	case VIDIOC_QUERY_DV_TIMINGS:
		1028	case VIDIOC_DV_TIMINGS_CAP:
1026	ret = do_video_ioctl(file, cmd, arg);	1029	ret = do_video_ioctl(file, cmd, arg);
1027	break;	1030	break;
1028		1031


diff --git a/drivers/media/video/v4l2-ioctl.c b/drivers/media/video/v4l2-ioctl.c index 623d280ce095..91be4e871f43 100644 --- a/drivers/media/video/v4l2-ioctl.c +++ b/drivers/media/video/v4l2-ioctl.c
@@ -281,6 +281,9 @@ static struct v4l2_ioctl_info v4l2_ioctls[] = {
281	IOCTL_INFO(VIDIOC_UNSUBSCRIBE_EVENT, 0),	281	IOCTL_INFO(VIDIOC_UNSUBSCRIBE_EVENT, 0),
282	IOCTL_INFO(VIDIOC_CREATE_BUFS, INFO_FL_PRIO),	282	IOCTL_INFO(VIDIOC_CREATE_BUFS, INFO_FL_PRIO),
283	IOCTL_INFO(VIDIOC_PREPARE_BUF, 0),	283	IOCTL_INFO(VIDIOC_PREPARE_BUF, 0),
		284	IOCTL_INFO(VIDIOC_ENUM_DV_TIMINGS, 0),
		285	IOCTL_INFO(VIDIOC_QUERY_DV_TIMINGS, 0),
		286	IOCTL_INFO(VIDIOC_DV_TIMINGS_CAP, 0),
284	};	287	};
285	#define V4L2_IOCTLS ARRAY_SIZE(v4l2_ioctls)	288	#define V4L2_IOCTLS ARRAY_SIZE(v4l2_ioctls)
286		289
@@ -368,6 +371,34 @@ static inline void dbgrect(struct video_device vfd, char s,
368	r->width, r->height);	371	r->width, r->height);
369	};	372	};
370		373
		374	static void dbgtimings(struct video_device *vfd,
		375	const struct v4l2_dv_timings *p)
		376	{
		377	switch (p->type) {
		378	case V4L2_DV_BT_656_1120:
		379	dbgarg2("bt-656/1120:interlaced=%d,"
		380	" pixelclock=%lld,"
		381	" width=%d, height=%d, polarities=%x,"
		382	" hfrontporch=%d, hsync=%d,"
		383	" hbackporch=%d, vfrontporch=%d,"
		384	" vsync=%d, vbackporch=%d,"
		385	" il_vfrontporch=%d, il_vsync=%d,"
		386	" il_vbackporch=%d, standards=%x, flags=%x\n",
		387	p->bt.interlaced, p->bt.pixelclock,
		388	p->bt.width, p->bt.height,
		389	p->bt.polarities, p->bt.hfrontporch,
		390	p->bt.hsync, p->bt.hbackporch,
		391	p->bt.vfrontporch, p->bt.vsync,
		392	p->bt.vbackporch, p->bt.il_vfrontporch,
		393	p->bt.il_vsync, p->bt.il_vbackporch,
		394	p->bt.standards, p->bt.flags);
		395	break;
		396	default:
		397	dbgarg2("Unknown type %d!\n", p->type);
		398	break;
		399	}
		400	}
		401
371	static inline void v4l_print_pix_fmt(struct video_device *vfd,	402	static inline void v4l_print_pix_fmt(struct video_device *vfd,
372	struct v4l2_pix_format *fmt)	403	struct v4l2_pix_format *fmt)
373	{	404	{
@@ -1916,25 +1947,13 @@ static long __video_do_ioctl(struct file *file,
1916	{	1947	{
1917	struct v4l2_dv_timings *p = arg;	1948	struct v4l2_dv_timings *p = arg;
1918		1949
		1950	dbgtimings(vfd, p);
1919	switch (p->type) {	1951	switch (p->type) {
1920	case V4L2_DV_BT_656_1120:	1952	case V4L2_DV_BT_656_1120:
1921	dbgarg2("bt-656/1120:interlaced=%d, pixelclock=%lld,"
1922	" width=%d, height=%d, polarities=%x,"
1923	" hfrontporch=%d, hsync=%d, hbackporch=%d,"
1924	" vfrontporch=%d, vsync=%d, vbackporch=%d,"
1925	" il_vfrontporch=%d, il_vsync=%d,"
1926	" il_vbackporch=%d\n",
1927	p->bt.interlaced, p->bt.pixelclock,
1928	p->bt.width, p->bt.height, p->bt.polarities,
1929	p->bt.hfrontporch, p->bt.hsync,
1930	p->bt.hbackporch, p->bt.vfrontporch,
1931	p->bt.vsync, p->bt.vbackporch,
1932	p->bt.il_vfrontporch, p->bt.il_vsync,
1933	p->bt.il_vbackporch);
1934	ret = ops->vidioc_s_dv_timings(file, fh, p);	1953	ret = ops->vidioc_s_dv_timings(file, fh, p);
1935	break;	1954	break;
1936	default:	1955	default:
1937	dbgarg2("Unknown type %d!\n", p->type);	1956	ret = -EINVAL;
1938	break;	1957	break;
1939	}	1958	}
1940	break;	1959	break;
@@ -1944,29 +1963,60 @@ static long __video_do_ioctl(struct file *file,
1944	struct v4l2_dv_timings *p = arg;	1963	struct v4l2_dv_timings *p = arg;
1945		1964
1946	ret = ops->vidioc_g_dv_timings(file, fh, p);	1965	ret = ops->vidioc_g_dv_timings(file, fh, p);
		1966	if (!ret)
		1967	dbgtimings(vfd, p);
		1968	break;
		1969	}
		1970	case VIDIOC_ENUM_DV_TIMINGS:
		1971	{
		1972	struct v4l2_enum_dv_timings *p = arg;
		1973
		1974	if (!ops->vidioc_enum_dv_timings)
		1975	break;
		1976
		1977	ret = ops->vidioc_enum_dv_timings(file, fh, p);
1947	if (!ret) {	1978	if (!ret) {
1948	switch (p->type) {	1979	dbgarg(cmd, "index=%d: ", p->index);
1949	case V4L2_DV_BT_656_1120:	1980	dbgtimings(vfd, &p->timings);
1950	dbgarg2("bt-656/1120:interlaced=%d,"	1981	}
1951	" pixelclock=%lld,"	1982	break;
1952	" width=%d, height=%d, polarities=%x,"	1983	}
1953	" hfrontporch=%d, hsync=%d,"	1984	case VIDIOC_QUERY_DV_TIMINGS:
1954	" hbackporch=%d, vfrontporch=%d,"	1985	{
1955	" vsync=%d, vbackporch=%d,"	1986	struct v4l2_dv_timings *p = arg;
1956	" il_vfrontporch=%d, il_vsync=%d,"	1987
1957	" il_vbackporch=%d\n",	1988	if (!ops->vidioc_query_dv_timings)
1958	p->bt.interlaced, p->bt.pixelclock,	1989	break;
1959	p->bt.width, p->bt.height,	1990
1960	p->bt.polarities, p->bt.hfrontporch,	1991	ret = ops->vidioc_query_dv_timings(file, fh, p);
1961	p->bt.hsync, p->bt.hbackporch,	1992	if (!ret)
1962	p->bt.vfrontporch, p->bt.vsync,	1993	dbgtimings(vfd, p);
1963	p->bt.vbackporch, p->bt.il_vfrontporch,	1994	break;
1964	p->bt.il_vsync, p->bt.il_vbackporch);	1995	}
1965	break;	1996	case VIDIOC_DV_TIMINGS_CAP:
1966	default:	1997	{
1967	dbgarg2("Unknown type %d!\n", p->type);	1998	struct v4l2_dv_timings_cap *p = arg;
1968	break;	1999
1969	}	2000	if (!ops->vidioc_dv_timings_cap)
		2001	break;
		2002
		2003	ret = ops->vidioc_dv_timings_cap(file, fh, p);
		2004	if (ret)
		2005	break;
		2006	switch (p->type) {
		2007	case V4L2_DV_BT_656_1120:
		2008	dbgarg(cmd,
		2009	"type=%d, width=%u-%u, height=%u-%u, "
		2010	"pixelclock=%llu-%llu, standards=%x, capabilities=%x ",
		2011	p->type,
		2012	p->bt.min_width, p->bt.max_width,
		2013	p->bt.min_height, p->bt.max_height,
		2014	p->bt.min_pixelclock, p->bt.max_pixelclock,
		2015	p->bt.standards, p->bt.capabilities);
		2016	break;
		2017	default:
		2018	dbgarg(cmd, "unknown type ");
		2019	break;
1970	}	2020	}
1971	break;	2021	break;
1972	}	2022	}
@@ -2215,7 +2265,9 @@ video_usercopy(struct file *file, unsigned int cmd, unsigned long arg,