pci/ivtv/ivtv-irq.c

49 		if (buf->readpos < buf->bytesused)
52 				(size_t)(buf->bytesused - buf->readpos));
225 		buf->bytesused = min(size, s->buf_size);
228 		s->q_predma.bytesused += buf->bytesused;
229 		size -= buf->bytesused;
288 				buf->bytesused -= offset;
289 				memcpy(buf->buf, buf->buf + offset, buf->bytesused + offset);
300 		buf->bytesused += s->dma_last_offset;
304 			s->q_dma.bytesused -= buf->bytesused;
306 			s->q_dma.bytesused += buf->bytesused;
314 	ivtv_queue_move(s, &s->q_dma, NULL, &s->q_full, s->q_dma.bytesused);
350 	IVTV_DEBUG_HI_DMA("DEC PREPARE DMA %s: %08x %08x\n", s->name, s->q_predma.bytesused, offset);
366 				(bytes_written + buf->bytesused) >= y_size) {
371 			if (s->sg_pending[idx].size != buf->bytesused) {
377 				   buf->bytesused - s->sg_pending[idx - 1].size;
384 			s->sg_pending[idx].size = buf->bytesused;
385 			offset += buf->bytesused;
387 		bytes_written += buf->bytesused;
455 	if (s->q_predma.bytesused)
456 		ivtv_queue_move(s, &s->q_predma, NULL, &s->q_dma, s->q_predma.bytesused);
472 		ivtv_queue_move(s_vbi, &s_vbi->q_predma, NULL, &s_vbi->q_dma, s_vbi->q_predma.bytesused);
512 	if (s->q_predma.bytesused)
513 		ivtv_queue_move(s, &s->q_predma, NULL, &s->q_dma, s->q_predma.bytesused);
568 		IVTV_DEBUG_HI_DMA("DEC DATA READ %s: %d\n", s->name, s->q_dma.bytesused);
576 		ivtv_vapi(itv, CX2341X_DEC_SCHED_DMA_FROM_HOST, 3, 0, s->q_dma.bytesused,
808 	IVTV_DEBUG_HI_IRQ("DEC DATA REQ %s: %d %08x %u\n", s->name, s->q_full.bytesused,
810 	if (itv->dma_data_req_size == 0 || s->q_full.bytesused < itv->dma_data_req_size) {