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authorHans Verkuil <hans.verkuil@cisco.com>2013-03-12 18:47:03 -0300
committerMauro Carvalho Chehab <mchehab@redhat.com>2013-03-25 08:44:08 -0300
commit941604977c00ebeb6324348ece84d2140b190754 (patch)
tree31e3dcbb79a41c5df27580b03b2f83423c3fb055 /drivers/staging/media
parent016afda4fb298aa2e5515048fcba0271ad6f7320 (diff)
downloadvexpress-lsk-941604977c00ebeb6324348ece84d2140b190754.tar.gz
[media] solo6x10: add support for prio and control event handling
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Diffstat (limited to 'drivers/staging/media')
-rw-r--r--drivers/staging/media/solo6x10/v4l2-enc.c19
-rw-r--r--drivers/staging/media/solo6x10/v4l2.c17
2 files changed, 33 insertions, 3 deletions
diff --git a/drivers/staging/media/solo6x10/v4l2-enc.c b/drivers/staging/media/solo6x10/v4l2-enc.c
index 5b2fdfbaef6..7cf3e7b8725 100644
--- a/drivers/staging/media/solo6x10/v4l2-enc.c
+++ b/drivers/staging/media/solo6x10/v4l2-enc.c
@@ -29,6 +29,7 @@
#include <media/v4l2-ioctl.h>
#include <media/v4l2-common.h>
+#include <media/v4l2-event.h>
#include <media/videobuf-dma-sg.h>
#include "solo6x10.h"
@@ -46,7 +47,8 @@ enum solo_enc_types {
};
struct solo_enc_fh {
- struct solo_enc_dev *enc;
+ struct v4l2_fh fh;
+ struct solo_enc_dev *enc;
u32 fmt;
u8 enc_on;
enum solo_enc_types type;
@@ -823,7 +825,11 @@ static unsigned int solo_enc_poll(struct file *file,
struct poll_table_struct *wait)
{
struct solo_enc_fh *fh = file->private_data;
+ unsigned long req_events = poll_requested_events(wait);
+ unsigned res = v4l2_ctrl_poll(file, wait);
+ if (!(req_events & (POLLIN | POLLRDNORM)))
+ return res;
return videobuf_poll_stream(file, &fh->vidq, wait);
}
@@ -892,6 +898,7 @@ static int solo_enc_open(struct file *file)
return -ENOMEM;
}
+ v4l2_fh_init(&fh->fh, video_devdata(file));
fh->enc = solo_enc;
spin_lock_init(&fh->av_lock);
file->private_data = fh;
@@ -906,7 +913,7 @@ static int solo_enc_open(struct file *file)
V4L2_FIELD_INTERLACED,
sizeof(struct solo_videobuf),
fh, NULL);
-
+ v4l2_fh_add(&fh->fh);
return 0;
}
@@ -931,6 +938,8 @@ static int solo_enc_release(struct file *file)
struct solo_dev *solo_dev = fh->enc->solo_dev;
solo_enc_off(fh);
+ v4l2_fh_del(&fh->fh);
+ v4l2_fh_exit(&fh->fh);
videobuf_stop(&fh->vidq);
videobuf_mmap_free(&fh->vidq);
@@ -1063,6 +1072,7 @@ static int solo_enc_try_fmt_cap(struct file *file, void *priv,
/* Just set these */
pix->colorspace = V4L2_COLORSPACE_SMPTE170M;
pix->sizeimage = FRAME_BUF_SIZE;
+ pix->bytesperline = 0;
pix->priv = 0;
return 0;
@@ -1417,6 +1427,10 @@ static const struct v4l2_ioctl_ops solo_enc_ioctl_ops = {
/* Video capture parameters */
.vidioc_s_parm = solo_s_parm,
.vidioc_g_parm = solo_g_parm,
+ /* Logging and events */
+ .vidioc_log_status = v4l2_ctrl_log_status,
+ .vidioc_subscribe_event = v4l2_ctrl_subscribe_event,
+ .vidioc_unsubscribe_event = v4l2_event_unsubscribe,
};
static const struct video_device solo_enc_template = {
@@ -1516,6 +1530,7 @@ static struct solo_enc_dev *solo_enc_alloc(struct solo_dev *solo_dev,
*solo_enc->vfd = solo_enc_template;
solo_enc->vfd->v4l2_dev = &solo_dev->v4l2_dev;
solo_enc->vfd->ctrl_handler = hdl;
+ set_bit(V4L2_FL_USE_FH_PRIO, &solo_enc->vfd->flags);
ret = video_register_device(solo_enc->vfd, VFL_TYPE_GRABBER, nr);
if (ret < 0) {
video_device_release(solo_enc->vfd);
diff --git a/drivers/staging/media/solo6x10/v4l2.c b/drivers/staging/media/solo6x10/v4l2.c
index 668dc48458a..a6889490561 100644
--- a/drivers/staging/media/solo6x10/v4l2.c
+++ b/drivers/staging/media/solo6x10/v4l2.c
@@ -29,6 +29,7 @@
#include <media/v4l2-ioctl.h>
#include <media/v4l2-common.h>
+#include <media/v4l2-event.h>
#include <media/videobuf-dma-contig.h>
#include "solo6x10.h"
@@ -45,6 +46,7 @@
/* Simple file handle */
struct solo_filehandle {
+ struct v4l2_fh fh;
struct solo_dev *solo_dev;
struct videobuf_queue vidq;
struct task_struct *kthread;
@@ -402,8 +404,12 @@ static unsigned int solo_v4l2_poll(struct file *file,
struct poll_table_struct *wait)
{
struct solo_filehandle *fh = file->private_data;
+ unsigned long req_events = poll_requested_events(wait);
+ unsigned res = v4l2_ctrl_poll(file, wait);
- return videobuf_poll_stream(file, &fh->vidq, wait);
+ if (!(req_events & (POLLIN | POLLRDNORM)))
+ return res;
+ return res | videobuf_poll_stream(file, &fh->vidq, wait);
}
static int solo_v4l2_mmap(struct file *file, struct vm_area_struct *vma)
@@ -423,6 +429,7 @@ static int solo_v4l2_open(struct file *file)
if (fh == NULL)
return -ENOMEM;
+ v4l2_fh_init(&fh->fh, video_devdata(file));
spin_lock_init(&fh->slock);
INIT_LIST_HEAD(&fh->vidq_active);
fh->solo_dev = solo_dev;
@@ -440,6 +447,7 @@ static int solo_v4l2_open(struct file *file)
V4L2_FIELD_INTERLACED,
sizeof(struct videobuf_buffer),
fh, NULL);
+ v4l2_fh_add(&fh->fh);
return 0;
}
@@ -461,6 +469,8 @@ static int solo_v4l2_release(struct file *file)
videobuf_stop(&fh->vidq);
videobuf_mmap_free(&fh->vidq);
+ v4l2_fh_del(&fh->fh);
+ v4l2_fh_exit(&fh->fh);
kfree(fh);
return 0;
@@ -737,6 +747,10 @@ static const struct v4l2_ioctl_ops solo_v4l2_ioctl_ops = {
.vidioc_dqbuf = solo_dqbuf,
.vidioc_streamon = solo_streamon,
.vidioc_streamoff = solo_streamoff,
+ /* Logging and events */
+ .vidioc_log_status = v4l2_ctrl_log_status,
+ .vidioc_subscribe_event = v4l2_ctrl_subscribe_event,
+ .vidioc_unsubscribe_event = v4l2_event_unsubscribe,
};
static struct video_device solo_v4l2_template = {
@@ -782,6 +796,7 @@ int solo_v4l2_init(struct solo_dev *solo_dev, unsigned nr)
if (solo_dev->disp_hdl.error)
return solo_dev->disp_hdl.error;
solo_dev->vfd->ctrl_handler = &solo_dev->disp_hdl;
+ set_bit(V4L2_FL_USE_FH_PRIO, &solo_dev->vfd->flags);
ret = video_register_device(solo_dev->vfd, VFL_TYPE_GRABBER, nr);
if (ret < 0) {