130 	struct tegra_adma_desc		*desc;  member
345 	kfree(tdc->desc);  in tegra_adma_stop()
346 	tdc->desc = NULL;  in tegra_adma_stop()
353 	struct tegra_adma_desc *desc;  in tegra_adma_start()  local
360 	desc = to_tegra_adma_desc(&vd->tx);  in tegra_adma_start()
362 	if (!desc) {  in tegra_adma_start()
367 	ch_regs = &desc->ch_regs;  in tegra_adma_start()
381 	tdc->desc = desc;  in tegra_adma_start()
386 	struct tegra_adma_desc *desc = tdc->desc;  in tegra_adma_get_residue()  local
399 	periods_remaining = tdc->tx_buf_count % desc->num_periods;  in tegra_adma_get_residue()
402 	return desc->buf_len - (periods_remaining * desc->period_len);  in tegra_adma_get_residue()
413 	if (status == 0 || !tdc->desc) {  in tegra_adma_isr()
418 	vchan_cyclic_callback(&tdc->desc->vd);  in tegra_adma_isr()
433 		if (!tdc->desc)  in tegra_adma_issue_pending()
453 	struct tegra_adma_desc *desc = tdc->desc;  in tegra_adma_pause()  local
454 	struct tegra_adma_chan_regs *ch_regs = &desc->ch_regs;  in tegra_adma_pause()
475 	struct tegra_adma_desc *desc = tdc->desc;  in tegra_adma_resume()  local
476 	struct tegra_adma_chan_regs *ch_regs = &desc->ch_regs;  in tegra_adma_resume()
493 	if (tdc->desc)  in tegra_adma_terminate_all()
509 	struct tegra_adma_desc *desc;  in tegra_adma_tx_status()  local
523 		desc = to_tegra_adma_desc(&vd->tx);  in tegra_adma_tx_status()
524 		residual = desc->ch_regs.tc;  in tegra_adma_tx_status()
525 	} else if (tdc->desc && tdc->desc->vd.tx.cookie == cookie) {  in tegra_adma_tx_status()
555 				      struct tegra_adma_desc *desc,  in tegra_adma_set_xfer_params()  argument
559 	struct tegra_adma_chan_regs *ch_regs = &desc->ch_regs;  in tegra_adma_set_xfer_params()
563 	if (desc->num_periods > ADMA_CH_CONFIG_MAX_BUFS)  in tegra_adma_set_xfer_params()
571 		ch_regs->config = ADMA_CH_CONFIG_SRC_BUF(desc->num_periods - 1);  in tegra_adma_set_xfer_params()
582 		ch_regs->config = ADMA_CH_CONFIG_TRG_BUF(desc->num_periods - 1);  in tegra_adma_set_xfer_params()
622 	ch_regs->tc = desc->period_len & ADMA_CH_TC_COUNT_MASK;  in tegra_adma_set_xfer_params()
633 	struct tegra_adma_desc *desc = NULL;  in tegra_adma_prep_dma_cyclic()  local
650 	desc = kzalloc(sizeof(*desc), GFP_NOWAIT);  in tegra_adma_prep_dma_cyclic()
651 	if (!desc)  in tegra_adma_prep_dma_cyclic()
654 	desc->buf_len = buf_len;  in tegra_adma_prep_dma_cyclic()
655 	desc->period_len = period_len;  in tegra_adma_prep_dma_cyclic()
656 	desc->num_periods = buf_len / period_len;  in tegra_adma_prep_dma_cyclic()
658 	if (tegra_adma_set_xfer_params(tdc, desc, buf_addr, direction)) {  in tegra_adma_prep_dma_cyclic()
659 		kfree(desc);  in tegra_adma_prep_dma_cyclic()
663 	return vchan_tx_prep(&tdc->vc, &desc->vd, flags);  in tegra_adma_prep_dma_cyclic()