static int s3c_fimc_v4l2_streamoff(struct file *filp, void *fh,
enum v4l2_buf_type i)
{
struct s3c_fimc_control *ctrl = (struct s3c_fimc_control *) fh;
struct s3c_fimc_out_frame *frame = &ctrl->out_frame;
if (i != V4L2_BUF_TYPE_VIDEO_CAPTURE)
return -EINVAL;
FSET_STOP(ctrl);
FCLR_USAGE(ctrl);
FCLR_IRQ(ctrl);
s3c_fimc_stop_dma(ctrl);
s3c_fimc_free_output_memory(frame);
s3c_fimc_set_output_address(ctrl);
frame->hq = 0;
frame->jpeg.enabled = 0;
frame->jpeg.thumb = 0;
frame->jpeg.thumb_res = 0;
frame->jpeg.main_size = 0;
frame->jpeg.thumb_size = 0;
return 0;
}
void s3c_stream_off(struct nx_vip_control *ctrl)
{
FSET_STOP(ctrl);
UNMASK_USAGE(ctrl);
UNMASK_IRQ(ctrl);
ctrl->streamon = 0;
nx_vip_stop_vip(ctrl);
}
static u32 s3c_fimc_poll(struct file *filp, poll_table *wait)
{
struct s3c_fimc_control *ctrl = filp->private_data;
u32 mask = 0;
poll_wait(filp, &ctrl->waitq, wait);
if (IS_IRQ_HANDLING(ctrl))
mask = POLLIN | POLLRDNORM;
FSET_STOP(ctrl);
return mask;
}
static
ssize_t s3c_fimc_read(struct file *filp, char *buf, size_t count, loff_t *pos)
{
struct s3c_fimc_control *ctrl = filp->private_data;
size_t end;
if (IS_CAPTURE(ctrl)) {
if (wait_event_interruptible(ctrl->waitq, IS_IRQ_HANDLING(ctrl)))
return -ERESTARTSYS;
FSET_STOP(ctrl);
}
//printk("[CAM]ctrl->out_frame.buf_size=%d,count=%d.\n",ctrl->out_frame.buf_size,count);
end = min_t(size_t, ctrl->out_frame.buf_size, count);
if (copy_to_user(buf, s3c_fimc_get_current_frame(ctrl), end))
return -EFAULT;
return end;
}