134 static struct omap_dma_lch *dma_chan;  variable
500 	p->dma_write(dma_chan[lch].enabled_irqs, CICR, lch);  in omap_enable_channel_irq()
516 	dma_chan[lch].enabled_irqs |= bits;  in omap_enable_dma_irq()
522 	dma_chan[lch].enabled_irqs &= ~bits;  in omap_disable_dma_irq()
536 	if (dma_chan[lch].next_lch != -1)  in enable_lnk()
537 		l = dma_chan[lch].next_lch | (1 << 15);  in enable_lnk()
541 		if (dma_chan[lch].next_linked_ch != -1)  in enable_lnk()
542 			l = dma_chan[lch].next_linked_ch | (1 << 15);  in enable_lnk()
568 	dma_chan[lch].flags &= ~OMAP_DMA_ACTIVE;  in disable_lnk()
619 		if (free_ch == -1 && dma_chan[ch].dev_id == -1) {  in omap_request_dma()
629 	chan = dma_chan + free_ch;  in omap_request_dma()
690 	if (dma_chan[lch].dev_id == -1) {  in omap_free_dma()
711 	dma_chan[lch].dev_id = -1;  in omap_free_dma()
712 	dma_chan[lch].next_lch = -1;  in omap_free_dma()
713 	dma_chan[lch].callback = NULL;  in omap_free_dma()
809 	if (!omap_dma_in_1510_mode() && dma_chan[lch].next_lch != -1) {  in omap_start_dma()
819 		cur_lch = dma_chan[lch].next_lch;  in omap_start_dma()
821 			next_lch = dma_chan[cur_lch].next_lch;  in omap_start_dma()
854 	dma_chan[lch].flags |= OMAP_DMA_ACTIVE;  in omap_start_dma()
906 	if (!omap_dma_in_1510_mode() && dma_chan[lch].next_lch != -1) {  in omap_stop_dma()
920 			next_lch = dma_chan[cur_lch].next_lch;  in omap_stop_dma()
925 	dma_chan[lch].flags &= ~OMAP_DMA_ACTIVE;  in omap_stop_dma()
943 	if (dma_chan[lch].dev_id == -1) {  in omap_set_dma_callback()
948 	dma_chan[lch].callback = callback;  in omap_set_dma_callback()
949 	dma_chan[lch].data = data;  in omap_set_dma_callback()
1073 	if ((dma_chan[lch_head].dev_id == -1) ||  in omap_dma_link_lch()
1074 	    (dma_chan[lch_queue].dev_id == -1)) {  in omap_dma_link_lch()
1079 	dma_chan[lch_head].next_lch = lch_queue;  in omap_dma_link_lch()
1092 		csr = dma_chan[ch].saved_csr;  in omap1_dma_handle_ch()
1093 		dma_chan[ch].saved_csr = 0;  in omap1_dma_handle_ch()
1097 		dma_chan[ch + 6].saved_csr = csr >> 7;  in omap1_dma_handle_ch()
1102 	if (unlikely(dma_chan[ch].dev_id == -1)) {  in omap1_dma_handle_ch()
1108 		pr_warn("DMA timeout with device %d\n", dma_chan[ch].dev_id);  in omap1_dma_handle_ch()
1111 			dma_chan[ch].dev_id);  in omap1_dma_handle_ch()
1113 		dma_chan[ch].flags &= ~OMAP_DMA_ACTIVE;  in omap1_dma_handle_ch()
1114 	if (likely(dma_chan[ch].callback != NULL))  in omap1_dma_handle_ch()
1115 		dma_chan[ch].callback(ch, csr, dma_chan[ch].data);  in omap1_dma_handle_ch()
1129 		if (enable_1510_mode && dma_chan[ch + 6].saved_csr)  in omap1_dma_irq_handler()
1155 	if (unlikely(dma_chan[ch].dev_id == -1)) {  in omap2_dma_handle_ch()
1163 			dma_chan[ch].dev_id);  in omap2_dma_handle_ch()
1166 		       dma_chan[ch].dev_id);  in omap2_dma_handle_ch()
1173 			dma_chan[ch].flags &= ~OMAP_DMA_ACTIVE;  in omap2_dma_handle_ch()
1178 		       dma_chan[ch].dev_id);  in omap2_dma_handle_ch()
1181 		       dma_chan[ch].dev_id);  in omap2_dma_handle_ch()
1189 	if (dma_chan[ch].chain_id != -1) {  in omap2_dma_handle_ch()
1190 		int chain_id = dma_chan[ch].chain_id;  in omap2_dma_handle_ch()
1191 		dma_chan[ch].state = DMA_CH_NOTSTARTED;  in omap2_dma_handle_ch()
1193 			dma_chan[dma_chan[ch].next_linked_ch].state =  in omap2_dma_handle_ch()
1206 	if (likely(dma_chan[ch].callback != NULL))  in omap2_dma_handle_ch()
1207 		dma_chan[ch].callback(ch, status, dma_chan[ch].data);  in omap2_dma_handle_ch()
1278 		if (dma_chan[ch].dev_id != -1)  in omap_dma_global_context_restore()
1314 	dma_chan = devm_kcalloc(&pdev->dev, dma_lch_count,  in omap_system_dma_probe()
1316 	if (!dma_chan) {  in omap_system_dma_probe()
1337 		dma_chan[ch].dev_id = -1;  in omap_system_dma_probe()
1338 		dma_chan[ch].next_lch = -1;  in omap_system_dma_probe()
1391 		dma_chan[0].dev_id = 0;  in omap_system_dma_probe()
1392 		dma_chan[1].dev_id = 1;  in omap_system_dma_probe()