89 static struct omap_dma_lch *dma_chan;  variable
416 	p->dma_write(dma_chan[lch].enabled_irqs, CICR, lch);  in omap_enable_channel_irq()
432 	dma_chan[lch].enabled_irqs &= ~bits;  in omap_disable_dma_irq()
446 	if (dma_chan[lch].next_lch != -1)  in enable_lnk()
447 		l = dma_chan[lch].next_lch | (1 << 15);  in enable_lnk()
472 	dma_chan[lch].flags &= ~OMAP_DMA_ACTIVE;  in disable_lnk()
487 		if (free_ch == -1 && dma_chan[ch].dev_id == -1) {  in omap_request_dma()
497 	chan = dma_chan + free_ch;  in omap_request_dma()
540 	if (dma_chan[lch].dev_id == -1) {  in omap_free_dma()
553 	dma_chan[lch].dev_id = -1;  in omap_free_dma()
554 	dma_chan[lch].next_lch = -1;  in omap_free_dma()
555 	dma_chan[lch].callback = NULL;  in omap_free_dma()
586 	if (!omap_dma_in_1510_mode() && dma_chan[lch].next_lch != -1) {  in omap_start_dma()
596 		cur_lch = dma_chan[lch].next_lch;  in omap_start_dma()
598 			next_lch = dma_chan[cur_lch].next_lch;  in omap_start_dma()
631 	dma_chan[lch].flags |= OMAP_DMA_ACTIVE;  in omap_start_dma()
683 	if (!omap_dma_in_1510_mode() && dma_chan[lch].next_lch != -1) {  in omap_stop_dma()
697 			next_lch = dma_chan[cur_lch].next_lch;  in omap_stop_dma()
702 	dma_chan[lch].flags &= ~OMAP_DMA_ACTIVE;  in omap_stop_dma()
818 		csr = dma_chan[ch].saved_csr;  in omap1_dma_handle_ch()
819 		dma_chan[ch].saved_csr = 0;  in omap1_dma_handle_ch()
823 		dma_chan[ch + 6].saved_csr = csr >> 7;  in omap1_dma_handle_ch()
828 	if (unlikely(dma_chan[ch].dev_id == -1)) {  in omap1_dma_handle_ch()
834 		pr_warn("DMA timeout with device %d\n", dma_chan[ch].dev_id);  in omap1_dma_handle_ch()
837 			dma_chan[ch].dev_id);  in omap1_dma_handle_ch()
839 		dma_chan[ch].flags &= ~OMAP_DMA_ACTIVE;  in omap1_dma_handle_ch()
840 	if (likely(dma_chan[ch].callback != NULL))  in omap1_dma_handle_ch()
841 		dma_chan[ch].callback(ch, csr, dma_chan[ch].data);  in omap1_dma_handle_ch()
855 		if (enable_1510_mode && dma_chan[ch + 6].saved_csr)  in omap1_dma_irq_handler()
900 	dma_chan = devm_kcalloc(&pdev->dev, dma_lch_count,  in omap_system_dma_probe()
901 				sizeof(*dma_chan), GFP_KERNEL);  in omap_system_dma_probe()
902 	if (!dma_chan)  in omap_system_dma_probe()
908 		dma_chan[ch].dev_id = -1;  in omap_system_dma_probe()
909 		dma_chan[ch].next_lch = -1;  in omap_system_dma_probe()
942 		dma_chan[0].dev_id = 0;  in omap_system_dma_probe()
943 		dma_chan[1].dev_id = 1;  in omap_system_dma_probe()