73 	struct cx231xx_dmaqueue *dma_q = urb->context;  in cx231xx_isoc_vbi_copy()  local
98 		if (dma_q->is_partial_line) {  in cx231xx_isoc_vbi_copy()
101 			sav_eav = dma_q->last_sav;  in cx231xx_isoc_vbi_copy()
107 							  dma_q->partial_buf,  in cx231xx_isoc_vbi_copy()
115 			bytes_parsed += cx231xx_get_vbi_line(dev, dma_q,  in cx231xx_isoc_vbi_copy()
122 		dma_q->is_partial_line = 0;  in cx231xx_isoc_vbi_copy()
137 					dma_q, sav_eav,	/* SAV/EAV */  in cx231xx_isoc_vbi_copy()
145 		memcpy(dma_q->partial_buf, p_buffer + buffer_size - 4, 4);  in cx231xx_isoc_vbi_copy()
259 	struct cx231xx_dmaqueue *dma_q = urb->context;  in cx231xx_irq_vbi_callback()  local
261 	    container_of(dma_q, struct cx231xx_video_mode, vidq);  in cx231xx_irq_vbi_callback()
345 	struct cx231xx_dmaqueue *dma_q = &dev->vbi_mode.vidq;  in cx231xx_init_vbi_isoc()  local
363 	dma_q->pos = 0;  in cx231xx_init_vbi_isoc()
364 	dma_q->is_partial_line = 0;  in cx231xx_init_vbi_isoc()
365 	dma_q->last_sav = 0;  in cx231xx_init_vbi_isoc()
366 	dma_q->current_field = -1;  in cx231xx_init_vbi_isoc()
367 	dma_q->bytes_left_in_line = dev->width << 1;  in cx231xx_init_vbi_isoc()
368 	dma_q->lines_per_field = ((dev->norm & V4L2_STD_625_50) ?  in cx231xx_init_vbi_isoc()
370 	dma_q->lines_completed = 0;  in cx231xx_init_vbi_isoc()
372 		dma_q->partial_buf[i] = 0;  in cx231xx_init_vbi_isoc()
421 				  sb_size, cx231xx_irq_vbi_callback, dma_q);  in cx231xx_init_vbi_isoc()
424 	init_waitqueue_head(&dma_q->wq);  in cx231xx_init_vbi_isoc()
443 u32 cx231xx_get_vbi_line(struct cx231xx *dev, struct cx231xx_dmaqueue *dma_q,  in cx231xx_get_vbi_line()  argument
465 	dma_q->last_sav = sav_eav;  in cx231xx_get_vbi_line()
468 	    cx231xx_copy_vbi_line(dev, dma_q, p_buffer, buffer_size,  in cx231xx_get_vbi_line()
478 				     struct cx231xx_dmaqueue *dma_q,  in vbi_buffer_filled()  argument
484 	buf->vb.sequence = dma_q->sequence++;  in vbi_buffer_filled()
493 u32 cx231xx_copy_vbi_line(struct cx231xx *dev, struct cx231xx_dmaqueue *dma_q,  in cx231xx_copy_vbi_line()  argument
500 	if (dma_q->current_field == -1) {  in cx231xx_copy_vbi_line()
502 		cx231xx_reset_vbi_buffer(dev, dma_q);  in cx231xx_copy_vbi_line()
505 	if (dma_q->current_field != field_number)  in cx231xx_copy_vbi_line()
506 		dma_q->lines_completed = 0;  in cx231xx_copy_vbi_line()
512 	dma_q->current_field = field_number;  in cx231xx_copy_vbi_line()
514 	bytes_to_copy = dma_q->bytes_left_in_line;  in cx231xx_copy_vbi_line()
518 	if (dma_q->lines_completed >= dma_q->lines_per_field) {  in cx231xx_copy_vbi_line()
519 		dma_q->bytes_left_in_line -= bytes_to_copy;  in cx231xx_copy_vbi_line()
520 		dma_q->is_partial_line =  in cx231xx_copy_vbi_line()
521 		    (dma_q->bytes_left_in_line == 0) ? 0 : 1;  in cx231xx_copy_vbi_line()
525 	dma_q->is_partial_line = 1;  in cx231xx_copy_vbi_line()
530 		dma_q->bytes_left_in_line -= bytes_to_copy;  in cx231xx_copy_vbi_line()
531 		dma_q->is_partial_line =  in cx231xx_copy_vbi_line()
532 		    (dma_q->bytes_left_in_line == 0) ? 0 : 1;  in cx231xx_copy_vbi_line()
537 	cx231xx_do_vbi_copy(dev, dma_q, p_line, bytes_to_copy);  in cx231xx_copy_vbi_line()
539 	dma_q->pos += bytes_to_copy;  in cx231xx_copy_vbi_line()
540 	dma_q->bytes_left_in_line -= bytes_to_copy;  in cx231xx_copy_vbi_line()
542 	if (dma_q->bytes_left_in_line == 0) {  in cx231xx_copy_vbi_line()
544 		dma_q->bytes_left_in_line = _line_size;  in cx231xx_copy_vbi_line()
545 		dma_q->lines_completed++;  in cx231xx_copy_vbi_line()
546 		dma_q->is_partial_line = 0;  in cx231xx_copy_vbi_line()
548 		if (cx231xx_is_vbi_buffer_done(dev, dma_q) && buf) {  in cx231xx_copy_vbi_line()
550 			vbi_buffer_filled(dev, dma_q, buf);  in cx231xx_copy_vbi_line()
552 			dma_q->pos = 0;  in cx231xx_copy_vbi_line()
553 			dma_q->lines_completed = 0;  in cx231xx_copy_vbi_line()
554 			cx231xx_reset_vbi_buffer(dev, dma_q);  in cx231xx_copy_vbi_line()
564 static inline void get_next_vbi_buf(struct cx231xx_dmaqueue *dma_q,  in get_next_vbi_buf()  argument
568 	    container_of(dma_q, struct cx231xx_video_mode, vidq);  in get_next_vbi_buf()
572 	if (list_empty(&dma_q->active)) {  in get_next_vbi_buf()
580 	*buf = list_entry(dma_q->active.next, struct cx231xx_buffer, list);  in get_next_vbi_buf()
592 			      struct cx231xx_dmaqueue *dma_q)  in cx231xx_reset_vbi_buffer()  argument
600 		get_next_vbi_buf(dma_q, &buf);  in cx231xx_reset_vbi_buffer()
602 		dma_q->pos = 0;  in cx231xx_reset_vbi_buffer()
603 		dma_q->current_field = -1;  in cx231xx_reset_vbi_buffer()
606 	dma_q->bytes_left_in_line = dev->width << 1;  in cx231xx_reset_vbi_buffer()
607 	dma_q->lines_completed = 0;  in cx231xx_reset_vbi_buffer()
610 int cx231xx_do_vbi_copy(struct cx231xx *dev, struct cx231xx_dmaqueue *dma_q,  in cx231xx_do_vbi_copy()  argument
627 	if (dma_q->bytes_left_in_line != _line_size) {  in cx231xx_do_vbi_copy()
629 		    _line_size - dma_q->bytes_left_in_line;  in cx231xx_do_vbi_copy()
632 	offset = (dma_q->lines_completed * _line_size) +  in cx231xx_do_vbi_copy()
635 	if (dma_q->current_field == 2) {  in cx231xx_do_vbi_copy()
637 		offset += (dev->width * 2 * dma_q->lines_per_field);  in cx231xx_do_vbi_copy()
643 	lencopy = dma_q->bytes_left_in_line > bytes_to_copy ?  in cx231xx_do_vbi_copy()
644 		  bytes_to_copy : dma_q->bytes_left_in_line;  in cx231xx_do_vbi_copy()
652 			      struct cx231xx_dmaqueue *dma_q)  in cx231xx_is_vbi_buffer_done()  argument
658 	if (dma_q->lines_completed == height && dma_q->current_field == 2)  in cx231xx_is_vbi_buffer_done()