61 		if (buf->readpos < buf->bytesused)  in ivtv_pcm_work_handler()
64 				(size_t)(buf->bytesused - buf->readpos));  in ivtv_pcm_work_handler()
237 		buf->bytesused = min(size, s->buf_size);  in stream_enc_dma_append()
240 		s->q_predma.bytesused += buf->bytesused;  in stream_enc_dma_append()
241 		size -= buf->bytesused;  in stream_enc_dma_append()
300 				buf->bytesused -= offset;  in dma_post()
301 				memcpy(buf->buf, buf->buf + offset, buf->bytesused + offset);  in dma_post()
312 		buf->bytesused += s->dma_last_offset;  in dma_post()
316 			s->q_dma.bytesused -= buf->bytesused;  in dma_post()
318 			s->q_dma.bytesused += buf->bytesused;  in dma_post()
326 	ivtv_queue_move(s, &s->q_dma, NULL, &s->q_full, s->q_dma.bytesused);  in dma_post()
362 	IVTV_DEBUG_HI_DMA("DEC PREPARE DMA %s: %08x %08x\n", s->name, s->q_predma.bytesused, offset);  in ivtv_dma_stream_dec_prepare()
378 				(bytes_written + buf->bytesused) >= y_size) {  in ivtv_dma_stream_dec_prepare()
383 			if (s->sg_pending[idx].size != buf->bytesused) {  in ivtv_dma_stream_dec_prepare()
389 				   buf->bytesused - s->sg_pending[idx - 1].size;  in ivtv_dma_stream_dec_prepare()
396 			s->sg_pending[idx].size = buf->bytesused;  in ivtv_dma_stream_dec_prepare()
397 			offset += buf->bytesused;  in ivtv_dma_stream_dec_prepare()
399 		bytes_written += buf->bytesused;  in ivtv_dma_stream_dec_prepare()
467 	if (s->q_predma.bytesused)  in ivtv_dma_enc_start()
468 		ivtv_queue_move(s, &s->q_predma, NULL, &s->q_dma, s->q_predma.bytesused);  in ivtv_dma_enc_start()
484 		ivtv_queue_move(s_vbi, &s_vbi->q_predma, NULL, &s_vbi->q_dma, s_vbi->q_predma.bytesused);  in ivtv_dma_enc_start()
524 	if (s->q_predma.bytesused)  in ivtv_dma_dec_start()
525 		ivtv_queue_move(s, &s->q_predma, NULL, &s->q_dma, s->q_predma.bytesused);  in ivtv_dma_dec_start()
580 		IVTV_DEBUG_HI_DMA("DEC DATA READ %s: %d\n", s->name, s->q_dma.bytesused);  in ivtv_irq_dma_read()
588 		ivtv_vapi(itv, CX2341X_DEC_SCHED_DMA_FROM_HOST, 3, 0, s->q_dma.bytesused,  in ivtv_irq_dma_read()
820 	IVTV_DEBUG_HI_IRQ("DEC DATA REQ %s: %d %08x %u\n", s->name, s->q_full.bytesused,  in ivtv_irq_dec_data_req()
822 	if (itv->dma_data_req_size == 0 || s->q_full.bytesused < itv->dma_data_req_size) {  in ivtv_irq_dec_data_req()