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https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
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[media] cpia2: convert to video_ioctl2
Unable to test this due to lack of hardware. Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
This commit is contained in:
Hans Verkuil
Mauro Carvalho Chehab
parent
afa3852161
commit
cbfb3daa66
1 changed files with 133 additions and 254 deletions
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@ -395,10 +395,14 @@ static int sync(struct camera_data *cam, int frame_nr)
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*
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*****************************************************************************/
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static int ioctl_set_gpio(void *arg, struct camera_data *cam)
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static long cpia2_default(struct file *file, void *fh, int cmd, void *arg)
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{
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struct camera_data *cam = video_drvdata(file);
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__u32 gpio_val;
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if (cmd != CPIA2_CID_GPIO)
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return -EINVAL;
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gpio_val = *(__u32*) arg;
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if (gpio_val &~ 0xFFU)
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@ -415,11 +419,10 @@ static int ioctl_set_gpio(void *arg, struct camera_data *cam)
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*
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*****************************************************************************/
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static int ioctl_querycap(void *arg, struct camera_data *cam)
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static int cpia2_querycap(struct file *file, void *fh, struct v4l2_capability *vc)
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{
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struct v4l2_capability *vc = arg;
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struct camera_data *cam = video_drvdata(file);
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memset(vc, 0, sizeof(*vc));
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strcpy(vc->driver, "cpia2");
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if (cam->params.pnp_id.product == 0x151)
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@ -479,22 +482,26 @@ static int ioctl_querycap(void *arg, struct camera_data *cam)
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*
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*****************************************************************************/
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static int ioctl_input(unsigned int ioclt_nr,void *arg,struct camera_data *cam)
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static int cpia2_enum_input(struct file *file, void *fh, struct v4l2_input *i)
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{
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struct v4l2_input *i = arg;
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if(ioclt_nr != VIDIOC_G_INPUT) {
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if (i->index != 0)
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return -EINVAL;
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}
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memset(i, 0, sizeof(*i));
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if (i->index)
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return -EINVAL;
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strcpy(i->name, "Camera");
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i->type = V4L2_INPUT_TYPE_CAMERA;
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return 0;
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}
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static int cpia2_g_input(struct file *file, void *fh, unsigned int *i)
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{
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*i = 0;
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return 0;
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}
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static int cpia2_s_input(struct file *file, void *fh, unsigned int i)
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{
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return i ? -EINVAL : 0;
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}
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/******************************************************************************
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*
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* ioctl_enum_fmt
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@ -503,9 +510,9 @@ static int ioctl_input(unsigned int ioclt_nr,void *arg,struct camera_data *cam)
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*
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*****************************************************************************/
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static int ioctl_enum_fmt(void *arg,struct camera_data *cam)
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static int cpia2_enum_fmt_vid_cap(struct file *file, void *fh,
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struct v4l2_fmtdesc *f)
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{
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struct v4l2_fmtdesc *f = arg;
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int index = f->index;
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if (index < 0 || index > 1)
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@ -539,12 +546,10 @@ static int ioctl_enum_fmt(void *arg,struct camera_data *cam)
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*
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*****************************************************************************/
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static int ioctl_try_fmt(void *arg,struct camera_data *cam)
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static int cpia2_try_fmt_vid_cap(struct file *file, void *fh,
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struct v4l2_format *f)
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{
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struct v4l2_format *f = arg;
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if (f->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
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return -EINVAL;
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struct camera_data *cam = video_drvdata(file);
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if (f->fmt.pix.pixelformat != V4L2_PIX_FMT_MJPEG &&
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f->fmt.pix.pixelformat != V4L2_PIX_FMT_JPEG)
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@ -603,12 +608,17 @@ static int ioctl_try_fmt(void *arg,struct camera_data *cam)
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*
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*****************************************************************************/
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static int ioctl_set_fmt(void *arg,struct camera_data *cam, struct cpia2_fh *fh)
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static int cpia2_s_fmt_vid_cap(struct file *file, void *_fh,
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struct v4l2_format *f)
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{
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struct v4l2_format *f = arg;
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struct camera_data *cam = video_drvdata(file);
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struct cpia2_fh *fh = _fh;
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int err, frame;
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err = ioctl_try_fmt(arg, cam);
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err = v4l2_prio_check(&cam->prio, fh->prio);
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if (err)
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return err;
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err = cpia2_try_fmt_vid_cap(file, _fh, f);
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if(err != 0)
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return err;
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@ -658,12 +668,10 @@ static int ioctl_set_fmt(void *arg,struct camera_data *cam, struct cpia2_fh *fh)
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*
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*****************************************************************************/
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static int ioctl_get_fmt(void *arg,struct camera_data *cam)
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static int cpia2_g_fmt_vid_cap(struct file *file, void *fh,
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struct v4l2_format *f)
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{
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struct v4l2_format *f = arg;
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if (f->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
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return -EINVAL;
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struct camera_data *cam = video_drvdata(file);
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f->fmt.pix.width = cam->width;
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f->fmt.pix.height = cam->height;
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@ -686,9 +694,9 @@ static int ioctl_get_fmt(void *arg,struct camera_data *cam)
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*
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*****************************************************************************/
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static int ioctl_cropcap(void *arg,struct camera_data *cam)
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static int cpia2_cropcap(struct file *file, void *fh, struct v4l2_cropcap *c)
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{
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struct v4l2_cropcap *c = arg;
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struct camera_data *cam = video_drvdata(file);
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if (c->type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
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return -EINVAL;
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@ -715,9 +723,9 @@ static int ioctl_cropcap(void *arg,struct camera_data *cam)
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*
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*****************************************************************************/
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static int ioctl_queryctrl(void *arg,struct camera_data *cam)
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static int cpia2_queryctrl(struct file *file, void *fh, struct v4l2_queryctrl *c)
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{
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struct v4l2_queryctrl *c = arg;
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struct camera_data *cam = video_drvdata(file);
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int i;
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for(i=0; i<NUM_CONTROLS; ++i) {
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@ -783,12 +791,9 @@ static int ioctl_queryctrl(void *arg,struct camera_data *cam)
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*
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*****************************************************************************/
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static int ioctl_querymenu(void *arg,struct camera_data *cam)
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static int cpia2_querymenu(struct file *file, void *fh, struct v4l2_querymenu *m)
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{
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struct v4l2_querymenu *m = arg;
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memset(m->name, 0, sizeof(m->name));
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m->reserved = 0;
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struct camera_data *cam = video_drvdata(file);
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switch(m->id) {
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case CPIA2_CID_FLICKER_MODE:
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@ -837,9 +842,9 @@ static int ioctl_querymenu(void *arg,struct camera_data *cam)
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*
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*****************************************************************************/
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static int ioctl_g_ctrl(void *arg,struct camera_data *cam)
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static int cpia2_g_ctrl(struct file *file, void *fh, struct v4l2_control *c)
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{
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struct v4l2_control *c = arg;
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struct camera_data *cam = video_drvdata(file);
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switch(c->id) {
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case V4L2_CID_BRIGHTNESS:
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@ -955,9 +960,9 @@ static int ioctl_g_ctrl(void *arg,struct camera_data *cam)
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*
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*****************************************************************************/
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static int ioctl_s_ctrl(void *arg,struct camera_data *cam)
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static int cpia2_s_ctrl(struct file *file, void *fh, struct v4l2_control *c)
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{
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struct v4l2_control *c = arg;
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struct camera_data *cam = video_drvdata(file);
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int i;
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int retval = 0;
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@ -1031,9 +1036,9 @@ static int ioctl_s_ctrl(void *arg,struct camera_data *cam)
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*
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*****************************************************************************/
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static int ioctl_g_jpegcomp(void *arg,struct camera_data *cam)
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static int cpia2_g_jpegcomp(struct file *file, void *fh, struct v4l2_jpegcompression *parms)
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{
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struct v4l2_jpegcompression *parms = arg;
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struct camera_data *cam = video_drvdata(file);
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memset(parms, 0, sizeof(*parms));
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@ -1072,9 +1077,9 @@ static int ioctl_g_jpegcomp(void *arg,struct camera_data *cam)
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*
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*****************************************************************************/
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static int ioctl_s_jpegcomp(void *arg,struct camera_data *cam)
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static int cpia2_s_jpegcomp(struct file *file, void *fh, struct v4l2_jpegcompression *parms)
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{
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struct v4l2_jpegcompression *parms = arg;
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struct camera_data *cam = video_drvdata(file);
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DBG("S_JPEGCOMP APP_len:%d COM_len:%d\n",
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parms->APP_len, parms->COM_len);
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@ -1121,9 +1126,9 @@ static int ioctl_s_jpegcomp(void *arg,struct camera_data *cam)
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*
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*****************************************************************************/
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static int ioctl_reqbufs(void *arg,struct camera_data *cam)
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static int cpia2_reqbufs(struct file *file, void *fh, struct v4l2_requestbuffers *req)
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{
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struct v4l2_requestbuffers *req = arg;
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struct camera_data *cam = video_drvdata(file);
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if(req->type != V4L2_BUF_TYPE_VIDEO_CAPTURE ||
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req->memory != V4L2_MEMORY_MMAP)
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@ -1144,9 +1149,9 @@ static int ioctl_reqbufs(void *arg,struct camera_data *cam)
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*
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*****************************************************************************/
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static int ioctl_querybuf(void *arg,struct camera_data *cam)
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static int cpia2_querybuf(struct file *file, void *fh, struct v4l2_buffer *buf)
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{
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struct v4l2_buffer *buf = arg;
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struct camera_data *cam = video_drvdata(file);
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if(buf->type != V4L2_BUF_TYPE_VIDEO_CAPTURE ||
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buf->index > cam->num_frames)
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@ -1192,9 +1197,9 @@ static int ioctl_querybuf(void *arg,struct camera_data *cam)
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*
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*****************************************************************************/
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static int ioctl_qbuf(void *arg,struct camera_data *cam)
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static int cpia2_qbuf(struct file *file, void *fh, struct v4l2_buffer *buf)
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{
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struct v4l2_buffer *buf = arg;
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struct camera_data *cam = video_drvdata(file);
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if(buf->type != V4L2_BUF_TYPE_VIDEO_CAPTURE ||
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buf->memory != V4L2_MEMORY_MMAP ||
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@ -1248,9 +1253,9 @@ static int find_earliest_filled_buffer(struct camera_data *cam)
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*
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*****************************************************************************/
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static int ioctl_dqbuf(void *arg,struct camera_data *cam, struct file *file)
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static int cpia2_dqbuf(struct file *file, void *fh, struct v4l2_buffer *buf)
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{
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struct v4l2_buffer *buf = arg;
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struct camera_data *cam = video_drvdata(file);
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int frame;
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if(buf->type != V4L2_BUF_TYPE_VIDEO_CAPTURE ||
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@ -1296,210 +1301,56 @@ static int ioctl_dqbuf(void *arg,struct camera_data *cam, struct file *file)
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return 0;
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}
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/******************************************************************************
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*
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* cpia2_ioctl
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*
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*****************************************************************************/
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static long cpia2_do_ioctl(struct file *file, unsigned int cmd, void *arg)
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static int cpia2_g_priority(struct file *file, void *_fh, enum v4l2_priority *p)
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{
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struct camera_data *cam = video_drvdata(file);
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long retval = 0;
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struct cpia2_fh *fh = _fh;
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if (!cam)
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return -ENOTTY;
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if (!cam->present)
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return -ENODEV;
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/* Priority check */
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switch (cmd) {
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case VIDIOC_S_FMT:
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{
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struct cpia2_fh *fh = file->private_data;
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retval = v4l2_prio_check(&cam->prio, fh->prio);
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if (retval)
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return retval;
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break;
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}
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default:
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break;
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}
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switch (cmd) {
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/* CPIA2 extension to Video4Linux API */
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case CPIA2_IOC_SET_GPIO:
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retval = ioctl_set_gpio(arg, cam);
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break;
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case VIDIOC_QUERYCAP:
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retval = ioctl_querycap(arg,cam);
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break;
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case VIDIOC_ENUMINPUT:
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case VIDIOC_G_INPUT:
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case VIDIOC_S_INPUT:
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retval = ioctl_input(cmd, arg, cam);
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break;
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case VIDIOC_ENUM_FMT:
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retval = ioctl_enum_fmt(arg,cam);
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break;
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case VIDIOC_TRY_FMT:
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retval = ioctl_try_fmt(arg,cam);
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break;
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case VIDIOC_G_FMT:
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retval = ioctl_get_fmt(arg,cam);
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break;
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case VIDIOC_S_FMT:
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retval = ioctl_set_fmt(arg,cam,file->private_data);
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break;
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case VIDIOC_CROPCAP:
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retval = ioctl_cropcap(arg,cam);
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break;
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case VIDIOC_G_CROP:
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case VIDIOC_S_CROP:
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// TODO: I think cropping can be implemented - SJB
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retval = -EINVAL;
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break;
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case VIDIOC_QUERYCTRL:
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retval = ioctl_queryctrl(arg,cam);
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break;
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case VIDIOC_QUERYMENU:
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retval = ioctl_querymenu(arg,cam);
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break;
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case VIDIOC_G_CTRL:
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retval = ioctl_g_ctrl(arg,cam);
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break;
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case VIDIOC_S_CTRL:
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retval = ioctl_s_ctrl(arg,cam);
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break;
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case VIDIOC_G_JPEGCOMP:
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retval = ioctl_g_jpegcomp(arg,cam);
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break;
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case VIDIOC_S_JPEGCOMP:
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retval = ioctl_s_jpegcomp(arg,cam);
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break;
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case VIDIOC_G_PRIORITY:
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{
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struct cpia2_fh *fh = file->private_data;
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*(enum v4l2_priority*)arg = fh->prio;
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break;
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}
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case VIDIOC_S_PRIORITY:
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{
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struct cpia2_fh *fh = file->private_data;
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enum v4l2_priority prio;
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prio = *(enum v4l2_priority*)arg;
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if(cam->streaming &&
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prio != fh->prio &&
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fh->prio == V4L2_PRIORITY_RECORD) {
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/* Can't drop record priority while streaming */
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retval = -EBUSY;
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} else if(prio == V4L2_PRIORITY_RECORD &&
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prio != fh->prio &&
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v4l2_prio_max(&cam->prio) == V4L2_PRIORITY_RECORD) {
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/* Only one program can record at a time */
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retval = -EBUSY;
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} else {
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retval = v4l2_prio_change(&cam->prio, &fh->prio, prio);
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}
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break;
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}
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case VIDIOC_REQBUFS:
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retval = ioctl_reqbufs(arg,cam);
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break;
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case VIDIOC_QUERYBUF:
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retval = ioctl_querybuf(arg,cam);
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break;
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case VIDIOC_QBUF:
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retval = ioctl_qbuf(arg,cam);
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break;
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case VIDIOC_DQBUF:
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retval = ioctl_dqbuf(arg,cam,file);
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break;
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case VIDIOC_STREAMON:
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{
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int type;
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DBG("VIDIOC_STREAMON, streaming=%d\n", cam->streaming);
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type = *(int*)arg;
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if(!cam->mmapped || type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
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retval = -EINVAL;
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if(!cam->streaming) {
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retval = cpia2_usb_stream_start(cam,
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cam->params.camera_state.stream_mode);
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} else {
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retval = -EINVAL;
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}
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break;
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}
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case VIDIOC_STREAMOFF:
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{
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int type;
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DBG("VIDIOC_STREAMOFF, streaming=%d\n", cam->streaming);
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type = *(int*)arg;
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if(!cam->mmapped || type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
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retval = -EINVAL;
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if(cam->streaming) {
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retval = cpia2_usb_stream_stop(cam);
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} else {
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retval = -EINVAL;
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}
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break;
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}
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case VIDIOC_ENUMOUTPUT:
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case VIDIOC_G_OUTPUT:
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case VIDIOC_S_OUTPUT:
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case VIDIOC_G_MODULATOR:
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||||
case VIDIOC_S_MODULATOR:
|
||||
|
||||
case VIDIOC_ENUMAUDIO:
|
||||
case VIDIOC_G_AUDIO:
|
||||
case VIDIOC_S_AUDIO:
|
||||
|
||||
case VIDIOC_ENUMAUDOUT:
|
||||
case VIDIOC_G_AUDOUT:
|
||||
case VIDIOC_S_AUDOUT:
|
||||
|
||||
case VIDIOC_ENUMSTD:
|
||||
case VIDIOC_QUERYSTD:
|
||||
case VIDIOC_G_STD:
|
||||
case VIDIOC_S_STD:
|
||||
|
||||
case VIDIOC_G_TUNER:
|
||||
case VIDIOC_S_TUNER:
|
||||
case VIDIOC_G_FREQUENCY:
|
||||
case VIDIOC_S_FREQUENCY:
|
||||
|
||||
case VIDIOC_OVERLAY:
|
||||
case VIDIOC_G_FBUF:
|
||||
case VIDIOC_S_FBUF:
|
||||
|
||||
case VIDIOC_G_PARM:
|
||||
case VIDIOC_S_PARM:
|
||||
retval = -EINVAL;
|
||||
break;
|
||||
default:
|
||||
retval = -ENOIOCTLCMD;
|
||||
break;
|
||||
}
|
||||
|
||||
return retval;
|
||||
*p = fh->prio;
|
||||
return 0;
|
||||
}
|
||||
|
||||
static long cpia2_ioctl(struct file *file,
|
||||
unsigned int cmd, unsigned long arg)
|
||||
static int cpia2_s_priority(struct file *file, void *_fh, enum v4l2_priority prio)
|
||||
{
|
||||
return video_usercopy(file, cmd, arg, cpia2_do_ioctl);
|
||||
struct camera_data *cam = video_drvdata(file);
|
||||
struct cpia2_fh *fh = fh;
|
||||
|
||||
if (cam->streaming && prio != fh->prio &&
|
||||
fh->prio == V4L2_PRIORITY_RECORD)
|
||||
/* Can't drop record priority while streaming */
|
||||
return -EBUSY;
|
||||
|
||||
if (prio == V4L2_PRIORITY_RECORD && prio != fh->prio &&
|
||||
v4l2_prio_max(&cam->prio) == V4L2_PRIORITY_RECORD)
|
||||
/* Only one program can record at a time */
|
||||
return -EBUSY;
|
||||
return v4l2_prio_change(&cam->prio, &fh->prio, prio);
|
||||
}
|
||||
|
||||
static int cpia2_streamon(struct file *file, void *fh, enum v4l2_buf_type type)
|
||||
{
|
||||
struct camera_data *cam = video_drvdata(file);
|
||||
|
||||
DBG("VIDIOC_STREAMON, streaming=%d\n", cam->streaming);
|
||||
if (!cam->mmapped || type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
|
||||
return -EINVAL;
|
||||
|
||||
if (!cam->streaming)
|
||||
return cpia2_usb_stream_start(cam,
|
||||
cam->params.camera_state.stream_mode);
|
||||
return -EINVAL;
|
||||
}
|
||||
|
||||
static int cpia2_streamoff(struct file *file, void *fh, enum v4l2_buf_type type)
|
||||
{
|
||||
struct camera_data *cam = video_drvdata(file);
|
||||
|
||||
DBG("VIDIOC_STREAMOFF, streaming=%d\n", cam->streaming);
|
||||
if (!cam->mmapped || type != V4L2_BUF_TYPE_VIDEO_CAPTURE)
|
||||
return -EINVAL;
|
||||
|
||||
if (cam->streaming)
|
||||
return cpia2_usb_stream_stop(cam);
|
||||
return -EINVAL;
|
||||
}
|
||||
|
||||
/******************************************************************************
|
||||
|
|
@ -1550,6 +1401,33 @@ static void reset_camera_struct_v4l(struct camera_data *cam)
|
|||
v4l2_prio_init(&cam->prio);
|
||||
}
|
||||
|
||||
static const struct v4l2_ioctl_ops cpia2_ioctl_ops = {
|
||||
.vidioc_querycap = cpia2_querycap,
|
||||
.vidioc_enum_input = cpia2_enum_input,
|
||||
.vidioc_g_input = cpia2_g_input,
|
||||
.vidioc_s_input = cpia2_s_input,
|
||||
.vidioc_enum_fmt_vid_cap = cpia2_enum_fmt_vid_cap,
|
||||
.vidioc_g_fmt_vid_cap = cpia2_g_fmt_vid_cap,
|
||||
.vidioc_s_fmt_vid_cap = cpia2_s_fmt_vid_cap,
|
||||
.vidioc_try_fmt_vid_cap = cpia2_try_fmt_vid_cap,
|
||||
.vidioc_queryctrl = cpia2_queryctrl,
|
||||
.vidioc_querymenu = cpia2_querymenu,
|
||||
.vidioc_g_ctrl = cpia2_g_ctrl,
|
||||
.vidioc_s_ctrl = cpia2_s_ctrl,
|
||||
.vidioc_g_jpegcomp = cpia2_g_jpegcomp,
|
||||
.vidioc_s_jpegcomp = cpia2_s_jpegcomp,
|
||||
.vidioc_cropcap = cpia2_cropcap,
|
||||
.vidioc_reqbufs = cpia2_reqbufs,
|
||||
.vidioc_querybuf = cpia2_querybuf,
|
||||
.vidioc_qbuf = cpia2_qbuf,
|
||||
.vidioc_dqbuf = cpia2_dqbuf,
|
||||
.vidioc_streamon = cpia2_streamon,
|
||||
.vidioc_streamoff = cpia2_streamoff,
|
||||
.vidioc_g_priority = cpia2_g_priority,
|
||||
.vidioc_s_priority = cpia2_s_priority,
|
||||
.vidioc_default = cpia2_default,
|
||||
};
|
||||
|
||||
/***
|
||||
* The v4l video device structure initialized for this device
|
||||
***/
|
||||
|
|
@ -1559,7 +1437,7 @@ static const struct v4l2_file_operations cpia2_fops = {
|
|||
.release = cpia2_close,
|
||||
.read = cpia2_v4l_read,
|
||||
.poll = cpia2_v4l_poll,
|
||||
.unlocked_ioctl = cpia2_ioctl,
|
||||
.unlocked_ioctl = video_ioctl2,
|
||||
.mmap = cpia2_mmap,
|
||||
};
|
||||
|
||||
|
|
@ -1567,6 +1445,7 @@ static struct video_device cpia2_template = {
|
|||
/* I could not find any place for the old .initialize initializer?? */
|
||||
.name = "CPiA2 Camera",
|
||||
.fops = &cpia2_fops,
|
||||
.ioctl_ops = &cpia2_ioctl_ops,
|
||||
.release = video_device_release,
|
||||
};
|
||||
|
||||
|
|
|
|||
Loading…
Reference in a new issue