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