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authorJavier Martin <javier.martin@vista-silicon.com>2013-01-29 07:58:48 -0300
committerMauro Carvalho Chehab <mchehab@redhat.com>2013-02-08 14:42:16 -0200
commit593403c59b2c1977cf22313d4bb7e912b35ee797 (patch)
treec102277504ee042e19989b07ea8e53816aaad5cf /drivers/media
parent492959c77f66c2238298115f4fabf1bb9ca997eb (diff)
[media] mcam-core: implement the control framework
Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl> Signed-off-by: Javier Martin <javier.martin@vista-silicon.com> Cc: Jonathan Corbet <corbet@lwn.net> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Diffstat (limited to 'drivers/media')
-rw-r--r--drivers/media/platform/marvell-ccic/mcam-core.c54
-rw-r--r--drivers/media/platform/marvell-ccic/mcam-core.h2
2 files changed, 11 insertions, 45 deletions
diff --git a/drivers/media/platform/marvell-ccic/mcam-core.c b/drivers/media/platform/marvell-ccic/mcam-core.c
index 7012913f34a2..92a33f081852 100644
--- a/drivers/media/platform/marvell-ccic/mcam-core.c
+++ b/drivers/media/platform/marvell-ccic/mcam-core.c
@@ -22,6 +22,7 @@
#include <linux/videodev2.h>
#include <media/v4l2-device.h>
#include <media/v4l2-ioctl.h>
+#include <media/v4l2-ctrls.h>
#include <media/v4l2-chip-ident.h>
#include <media/ov7670.h>
#include <media/videobuf2-vmalloc.h>
@@ -1225,47 +1226,6 @@ static int mcam_vidioc_dqbuf(struct file *filp, void *priv,
return ret;
}
-
-
-static int mcam_vidioc_queryctrl(struct file *filp, void *priv,
- struct v4l2_queryctrl *qc)
-{
- struct mcam_camera *cam = priv;
- int ret;
-
- mutex_lock(&cam->s_mutex);
- ret = sensor_call(cam, core, queryctrl, qc);
- mutex_unlock(&cam->s_mutex);
- return ret;
-}
-
-
-static int mcam_vidioc_g_ctrl(struct file *filp, void *priv,
- struct v4l2_control *ctrl)
-{
- struct mcam_camera *cam = priv;
- int ret;
-
- mutex_lock(&cam->s_mutex);
- ret = sensor_call(cam, core, g_ctrl, ctrl);
- mutex_unlock(&cam->s_mutex);
- return ret;
-}
-
-
-static int mcam_vidioc_s_ctrl(struct file *filp, void *priv,
- struct v4l2_control *ctrl)
-{
- struct mcam_camera *cam = priv;
- int ret;
-
- mutex_lock(&cam->s_mutex);
- ret = sensor_call(cam, core, s_ctrl, ctrl);
- mutex_unlock(&cam->s_mutex);
- return ret;
-}
-
-
static int mcam_vidioc_querycap(struct file *file, void *priv,
struct v4l2_capability *cap)
{
@@ -1513,9 +1473,6 @@ static const struct v4l2_ioctl_ops mcam_v4l_ioctl_ops = {
.vidioc_dqbuf = mcam_vidioc_dqbuf,
.vidioc_streamon = mcam_vidioc_streamon,
.vidioc_streamoff = mcam_vidioc_streamoff,
- .vidioc_queryctrl = mcam_vidioc_queryctrl,
- .vidioc_g_ctrl = mcam_vidioc_g_ctrl,
- .vidioc_s_ctrl = mcam_vidioc_s_ctrl,
.vidioc_g_parm = mcam_vidioc_g_parm,
.vidioc_s_parm = mcam_vidioc_s_parm,
.vidioc_enum_framesizes = mcam_vidioc_enum_framesizes,
@@ -1782,14 +1739,19 @@ int mccic_register(struct mcam_camera *cam)
/*
* Get the v4l2 setup done.
*/
+ ret = v4l2_ctrl_handler_init(&cam->ctrl_handler, 10);
+ if (ret)
+ goto out_unregister;
+ cam->v4l2_dev.ctrl_handler = &cam->ctrl_handler;
+
mutex_lock(&cam->s_mutex);
cam->vdev = mcam_v4l_template;
cam->vdev.debug = 0;
cam->vdev.v4l2_dev = &cam->v4l2_dev;
+ video_set_drvdata(&cam->vdev, cam);
ret = video_register_device(&cam->vdev, VFL_TYPE_GRABBER, -1);
if (ret)
goto out;
- video_set_drvdata(&cam->vdev, cam);
/*
* If so requested, try to get our DMA buffers now.
@@ -1801,6 +1763,7 @@ int mccic_register(struct mcam_camera *cam)
}
out:
+ v4l2_ctrl_handler_free(&cam->ctrl_handler);
mutex_unlock(&cam->s_mutex);
return ret;
out_unregister:
@@ -1825,6 +1788,7 @@ void mccic_shutdown(struct mcam_camera *cam)
if (cam->buffer_mode == B_vmalloc)
mcam_free_dma_bufs(cam);
video_unregister_device(&cam->vdev);
+ v4l2_ctrl_handler_free(&cam->ctrl_handler);
v4l2_device_unregister(&cam->v4l2_dev);
}
diff --git a/drivers/media/platform/marvell-ccic/mcam-core.h b/drivers/media/platform/marvell-ccic/mcam-core.h
index 6c53ac9681da..01dec9e5fc2b 100644
--- a/drivers/media/platform/marvell-ccic/mcam-core.h
+++ b/drivers/media/platform/marvell-ccic/mcam-core.h
@@ -8,6 +8,7 @@
#include <linux/list.h>
#include <media/v4l2-common.h>
+#include <media/v4l2-ctrls.h>
#include <media/v4l2-dev.h>
#include <media/videobuf2-core.h>
@@ -112,6 +113,7 @@ struct mcam_camera {
* should not be touched by the platform code.
*/
struct v4l2_device v4l2_dev;
+ struct v4l2_ctrl_handler ctrl_handler;
enum mcam_state state;
unsigned long flags; /* Buffer status, mainly (dev_lock) */
int users; /* How many open FDs */

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