diff options
| -rw-r--r-- | drivers/media/video/vivi.c | 150 |
1 files changed, 12 insertions, 138 deletions
diff --git a/drivers/media/video/vivi.c b/drivers/media/video/vivi.c index 1e4da5e43a32..f6d7c6e3390e 100644 --- a/drivers/media/video/vivi.c +++ b/drivers/media/video/vivi.c @@ -790,27 +790,6 @@ static int queue_setup(struct vb2_queue *vq, const struct v4l2_format *fmt, return 0; } -static int buffer_init(struct vb2_buffer *vb) -{ - struct vivi_dev *dev = vb2_get_drv_priv(vb->vb2_queue); - - BUG_ON(NULL == dev->fmt); - - /* - * This callback is called once per buffer, after its allocation. - * - * Vivi does not allow changing format during streaming, but it is - * possible to do so when streaming is paused (i.e. in streamoff state). - * Buffers however are not freed when going into streamoff and so - * buffer size verification has to be done in buffer_prepare, on each - * qbuf. - * It would be best to move verification code here to buf_init and - * s_fmt though. - */ - - return 0; -} - static int buffer_prepare(struct vb2_buffer *vb) { struct vivi_dev *dev = vb2_get_drv_priv(vb->vb2_queue); @@ -848,20 +827,6 @@ static int buffer_prepare(struct vb2_buffer *vb) return 0; } -static int buffer_finish(struct vb2_buffer *vb) -{ - struct vivi_dev *dev = vb2_get_drv_priv(vb->vb2_queue); - dprintk(dev, 1, "%s\n", __func__); - return 0; -} - -static void buffer_cleanup(struct vb2_buffer *vb) -{ - struct vivi_dev *dev = vb2_get_drv_priv(vb->vb2_queue); - dprintk(dev, 1, "%s\n", __func__); - -} - static void buffer_queue(struct vb2_buffer *vb) { struct vivi_dev *dev = vb2_get_drv_priv(vb->vb2_queue); @@ -907,10 +872,7 @@ static void vivi_unlock(struct vb2_queue *vq) static struct vb2_ops vivi_video_qops = { .queue_setup = queue_setup, - .buf_init = buffer_init, .buf_prepare = buffer_prepare, - .buf_finish = buffer_finish, - .buf_cleanup = buffer_cleanup, .buf_queue = buffer_queue, .start_streaming = start_streaming, .stop_streaming = stop_streaming, @@ -1019,7 +981,7 @@ static int vidioc_s_fmt_vid_cap(struct file *file, void *priv, if (ret < 0) return ret; - if (vb2_is_streaming(q)) { + if (vb2_is_busy(q)) { dprintk(dev, 1, "%s device busy\n", __func__); return -EBUSY; } @@ -1033,43 +995,6 @@ static int vidioc_s_fmt_vid_cap(struct file *file, void *priv, return 0; } -static int vidioc_reqbufs(struct file *file, void *priv, - struct v4l2_requestbuffers *p) -{ - struct vivi_dev *dev = video_drvdata(file); - return vb2_reqbufs(&dev->vb_vidq, p); -} - -static int vidioc_querybuf(struct file *file, void *priv, struct v4l2_buffer *p) -{ - struct vivi_dev *dev = video_drvdata(file); - return vb2_querybuf(&dev->vb_vidq, p); -} - -static int vidioc_qbuf(struct file *file, void *priv, struct v4l2_buffer *p) -{ - struct vivi_dev *dev = video_drvdata(file); - return vb2_qbuf(&dev->vb_vidq, p); -} - -static int vidioc_dqbuf(struct file *file, void *priv, struct v4l2_buffer *p) -{ - struct vivi_dev *dev = video_drvdata(file); - return vb2_dqbuf(&dev->vb_vidq, p, file->f_flags & O_NONBLOCK); -} - -static int vidioc_streamon(struct file *file, void *priv, enum v4l2_buf_type i) -{ - struct vivi_dev *dev = video_drvdata(file); - return vb2_streamon(&dev->vb_vidq, i); -} - -static int vidioc_streamoff(struct file *file, void *priv, enum v4l2_buf_type i) -{ - struct vivi_dev *dev = video_drvdata(file); - return vb2_streamoff(&dev->vb_vidq, i); -} - /* only one input in this sample driver */ static int vidioc_enum_input(struct file *file, void *priv, struct v4l2_input *inp) @@ -1137,58 +1062,6 @@ static int vivi_s_ctrl(struct v4l2_ctrl *ctrl) File operations for the device ------------------------------------------------------------------*/ -static ssize_t -vivi_read(struct file *file, char __user *data, size_t count, loff_t *ppos) -{ - struct vivi_dev *dev = video_drvdata(file); - int err; - - dprintk(dev, 1, "read called\n"); - mutex_lock(&dev->mutex); - err = vb2_read(&dev->vb_vidq, data, count, ppos, - file->f_flags & O_NONBLOCK); - mutex_unlock(&dev->mutex); - return err; -} - -static unsigned int -vivi_poll(struct file *file, struct poll_table_struct *wait) -{ - struct vivi_dev *dev = video_drvdata(file); - struct vb2_queue *q = &dev->vb_vidq; - - dprintk(dev, 1, "%s\n", __func__); - return vb2_poll(q, file, wait); -} - -static int vivi_close(struct file *file) -{ - struct video_device *vdev = video_devdata(file); - struct vivi_dev *dev = video_drvdata(file); - - dprintk(dev, 1, "close called (dev=%s), file %p\n", - video_device_node_name(vdev), file); - - if (v4l2_fh_is_singular_file(file)) - vb2_queue_release(&dev->vb_vidq); - return v4l2_fh_release(file); -} - -static int vivi_mmap(struct file *file, struct vm_area_struct *vma) -{ - struct vivi_dev *dev = video_drvdata(file); - int ret; - - dprintk(dev, 1, "mmap called, vma=0x%08lx\n", (unsigned long)vma); - - ret = vb2_mmap(&dev->vb_vidq, vma); - dprintk(dev, 1, "vma start=0x%08lx, size=%ld, ret=%d\n", - (unsigned long)vma->vm_start, - (unsigned long)vma->vm_end - (unsigned long)vma->vm_start, - ret); - return ret; -} - static const struct v4l2_ctrl_ops vivi_ctrl_ops = { .g_volatile_ctrl = vivi_g_volatile_ctrl, .s_ctrl = vivi_s_ctrl, @@ -1293,11 +1166,11 @@ static const struct v4l2_ctrl_config vivi_ctrl_int_menu = { static const struct v4l2_file_operations vivi_fops = { .owner = THIS_MODULE, .open = v4l2_fh_open, - .release = vivi_close, - .read = vivi_read, - .poll = vivi_poll, + .release = vb2_fop_release, + .read = vb2_fop_read, + .poll = vb2_fop_poll, .unlocked_ioctl = video_ioctl2, /* V4L2 ioctl handler */ - .mmap = vivi_mmap, + .mmap = vb2_fop_mmap, }; static const struct v4l2_ioctl_ops vivi_ioctl_ops = { @@ -1306,15 +1179,15 @@ static const struct v4l2_ioctl_ops vivi_ioctl_ops = { .vidioc_g_fmt_vid_cap = vidioc_g_fmt_vid_cap, .vidioc_try_fmt_vid_cap = vidioc_try_fmt_vid_cap, .vidioc_s_fmt_vid_cap = vidioc_s_fmt_vid_cap, - .vidioc_reqbufs = vidioc_reqbufs, - .vidioc_querybuf = vidioc_querybuf, - .vidioc_qbuf = vidioc_qbuf, - .vidioc_dqbuf = vidioc_dqbuf, + .vidioc_reqbufs = vb2_ioctl_reqbufs, + .vidioc_querybuf = vb2_ioctl_querybuf, + .vidioc_qbuf = vb2_ioctl_qbuf, + .vidioc_dqbuf = vb2_ioctl_dqbuf, .vidioc_enum_input = vidioc_enum_input, .vidioc_g_input = vidioc_g_input, .vidioc_s_input = vidioc_s_input, - .vidioc_streamon = vidioc_streamon, - .vidioc_streamoff = vidioc_streamoff, + .vidioc_streamon = vb2_ioctl_streamon, + .vidioc_streamoff = vb2_ioctl_streamoff, .vidioc_log_status = v4l2_ctrl_log_status, .vidioc_subscribe_event = v4l2_ctrl_subscribe_event, .vidioc_unsubscribe_event = v4l2_event_unsubscribe, @@ -1432,6 +1305,7 @@ static int __init vivi_create_instance(int inst) *vfd = vivi_template; vfd->debug = debug; vfd->v4l2_dev = &dev->v4l2_dev; + vfd->queue = q; set_bit(V4L2_FL_USE_FH_PRIO, &vfd->flags); /* |