190 static void free_buffer(struct videobuf_queue *vq, struct cx231xx_buffer *buf)  in free_buffer()  argument
207 	if (dev->vbi_mode.bulk_ctl.buf == buf)  in free_buffer()
208 		dev->vbi_mode.bulk_ctl.buf = NULL;  in free_buffer()
211 	videobuf_vmalloc_free(&buf->vb);  in free_buffer()
212 	buf->vb.state = VIDEOBUF_NEEDS_INIT;  in free_buffer()
220 	struct cx231xx_buffer *buf =  in vbi_buffer_prepare()  local
228 	buf->vb.size = ((dev->width << 1) * height * 2);  in vbi_buffer_prepare()
230 	if (0 != buf->vb.baddr && buf->vb.bsize < buf->vb.size)  in vbi_buffer_prepare()
233 	buf->vb.width = dev->width;  in vbi_buffer_prepare()
234 	buf->vb.height = height;  in vbi_buffer_prepare()
235 	buf->vb.field = field;  in vbi_buffer_prepare()
236 	buf->vb.field = V4L2_FIELD_SEQ_TB;  in vbi_buffer_prepare()
238 	if (VIDEOBUF_NEEDS_INIT == buf->vb.state) {  in vbi_buffer_prepare()
239 		rc = videobuf_iolock(vq, &buf->vb, NULL);  in vbi_buffer_prepare()
256 	buf->vb.state = VIDEOBUF_PREPARED;  in vbi_buffer_prepare()
260 	free_buffer(vq, buf);  in vbi_buffer_prepare()
267 	struct cx231xx_buffer *buf =  in vbi_buffer_queue()  local
273 	buf->vb.state = VIDEOBUF_QUEUED;  in vbi_buffer_queue()
274 	list_add_tail(&buf->vb.queue, &vidq->active);  in vbi_buffer_queue()
281 	struct cx231xx_buffer *buf =  in vbi_buffer_release()  local
285 	free_buffer(vq, buf);  in vbi_buffer_release()
436 	dev->vbi_mode.bulk_ctl.buf = NULL;  in cx231xx_init_vbi_isoc()
525 				     struct cx231xx_buffer *buf)  in vbi_buffer_filled()  argument
530 	buf->vb.state = VIDEOBUF_DONE;  in vbi_buffer_filled()
531 	buf->vb.field_count++;  in vbi_buffer_filled()
532 	v4l2_get_timestamp(&buf->vb.ts);  in vbi_buffer_filled()
534 	dev->vbi_mode.bulk_ctl.buf = NULL;  in vbi_buffer_filled()
536 	list_del(&buf->vb.queue);  in vbi_buffer_filled()
537 	wake_up(&buf->vb.done);  in vbi_buffer_filled()
544 	struct cx231xx_buffer *buf;  in cx231xx_copy_vbi_line()  local
556 	buf = dev->vbi_mode.bulk_ctl.buf;  in cx231xx_copy_vbi_line()
576 	if (!buf) {  in cx231xx_copy_vbi_line()
595 		if (cx231xx_is_vbi_buffer_done(dev, dma_q) && buf) {  in cx231xx_copy_vbi_line()
597 			vbi_buffer_filled(dev, dma_q, buf);  in cx231xx_copy_vbi_line()
612 				    struct cx231xx_buffer **buf)  in get_next_vbi_buf()  argument
621 		dev->vbi_mode.bulk_ctl.buf = NULL;  in get_next_vbi_buf()
622 		*buf = NULL;  in get_next_vbi_buf()
627 	*buf = list_entry(dma_q->active.next, struct cx231xx_buffer, vb.queue);  in get_next_vbi_buf()
630 	outp = videobuf_to_vmalloc(&(*buf)->vb);  in get_next_vbi_buf()
631 	memset(outp, 0, (*buf)->vb.size);  in get_next_vbi_buf()
633 	dev->vbi_mode.bulk_ctl.buf = *buf;  in get_next_vbi_buf()
641 	struct cx231xx_buffer *buf;  in cx231xx_reset_vbi_buffer()  local
643 	buf = dev->vbi_mode.bulk_ctl.buf;  in cx231xx_reset_vbi_buffer()
645 	if (buf == NULL) {  in cx231xx_reset_vbi_buffer()
647 		get_next_vbi_buf(dma_q, &buf);  in cx231xx_reset_vbi_buffer()
662 	struct cx231xx_buffer *buf;  in cx231xx_do_vbi_copy()  local
667 	buf = dev->vbi_mode.bulk_ctl.buf;  in cx231xx_do_vbi_copy()
669 	if (buf == NULL)  in cx231xx_do_vbi_copy()
672 	p_out_buffer = videobuf_to_vmalloc(&buf->vb);  in cx231xx_do_vbi_copy()