125 static struct omap_dma_lch *dma_chan;  variable
576 	p->dma_write(dma_chan[lch].enabled_irqs, CICR, lch);  in omap_enable_channel_irq()
587 	dma_chan[lch].enabled_irqs |= bits;  in omap_enable_dma_irq()
593 	dma_chan[lch].enabled_irqs &= ~bits;  in omap_disable_dma_irq()
607 	if (dma_chan[lch].next_lch != -1)  in enable_lnk()
608 		l = dma_chan[lch].next_lch | (1 << 15);  in enable_lnk()
612 		if (dma_chan[lch].next_linked_ch != -1)  in enable_lnk()
613 			l = dma_chan[lch].next_linked_ch | (1 << 15);  in enable_lnk()
639 	dma_chan[lch].flags &= ~OMAP_DMA_ACTIVE;  in disable_lnk()
682 		if (free_ch == -1 && dma_chan[ch].dev_id == -1) {  in omap_request_dma()
692 	chan = dma_chan + free_ch;  in omap_request_dma()
756 	if (dma_chan[lch].dev_id == -1) {  in omap_free_dma()
785 	dma_chan[lch].dev_id = -1;  in omap_free_dma()
786 	dma_chan[lch].next_lch = -1;  in omap_free_dma()
787 	dma_chan[lch].callback = NULL;  in omap_free_dma()
884 	if (!omap_dma_in_1510_mode() && dma_chan[lch].next_lch != -1) {  in omap_start_dma()
893 		cur_lch = dma_chan[lch].next_lch;  in omap_start_dma()
895 			next_lch = dma_chan[cur_lch].next_lch;  in omap_start_dma()
928 	dma_chan[lch].flags |= OMAP_DMA_ACTIVE;  in omap_start_dma()
982 	if (!omap_dma_in_1510_mode() && dma_chan[lch].next_lch != -1) {  in omap_stop_dma()
996 			next_lch = dma_chan[cur_lch].next_lch;  in omap_stop_dma()
1001 	dma_chan[lch].flags &= ~OMAP_DMA_ACTIVE;  in omap_stop_dma()
1019 	if (dma_chan[lch].dev_id == -1) {  in omap_set_dma_callback()
1024 	dma_chan[lch].callback = callback;  in omap_set_dma_callback()
1025 	dma_chan[lch].data = data;  in omap_set_dma_callback()
1149 	if ((dma_chan[lch_head].dev_id == -1) ||  in omap_dma_link_lch()
1150 	    (dma_chan[lch_queue].dev_id == -1)) {  in omap_dma_link_lch()
1156 	dma_chan[lch_head].next_lch = lch_queue;  in omap_dma_link_lch()
1176 	if (dma_chan[lch_head].next_lch != lch_queue ||  in omap_dma_unlink_lch()
1177 	    dma_chan[lch_head].next_lch == -1) {  in omap_dma_unlink_lch()
1183 	if ((dma_chan[lch_head].flags & OMAP_DMA_ACTIVE) ||  in omap_dma_unlink_lch()
1184 	    (dma_chan[lch_queue].flags & OMAP_DMA_ACTIVE)) {  in omap_dma_unlink_lch()
1190 	dma_chan[lch_head].next_lch = -1;  in omap_dma_unlink_lch()
1201 	if (dma_chan[lch_head].next_linked_ch == -1) {  in create_dma_lch_chain()
1202 		dma_chan[lch_head].next_linked_ch = lch_queue;  in create_dma_lch_chain()
1203 		dma_chan[lch_head].prev_linked_ch = lch_queue;  in create_dma_lch_chain()
1204 		dma_chan[lch_queue].next_linked_ch = lch_head;  in create_dma_lch_chain()
1205 		dma_chan[lch_queue].prev_linked_ch = lch_head;  in create_dma_lch_chain()
1210 		dma_chan[lch_queue].next_linked_ch =  in create_dma_lch_chain()
1211 					dma_chan[lch_head].next_linked_ch;  in create_dma_lch_chain()
1212 		dma_chan[lch_queue].prev_linked_ch = lch_head;  in create_dma_lch_chain()
1213 		dma_chan[lch_head].next_linked_ch = lch_queue;  in create_dma_lch_chain()
1214 		dma_chan[dma_chan[lch_queue].next_linked_ch].prev_linked_ch =  in create_dma_lch_chain()
1225 	l |= (dma_chan[lch_queue].next_linked_ch);  in create_dma_lch_chain()
1288 		dma_chan[channels[i]].prev_linked_ch = -1;  in omap_request_dma_chain()
1289 		dma_chan[channels[i]].state = DMA_CH_NOTSTARTED;  in omap_request_dma_chain()
1306 		dma_chan[channels[i]].chain_id = *chain_id;  in omap_request_dma_chain()
1393 		dma_chan[channels[i]].next_linked_ch = -1;  in omap_free_dma_chain()
1394 		dma_chan[channels[i]].prev_linked_ch = -1;  in omap_free_dma_chain()
1395 		dma_chan[channels[i]].chain_id = -1;  in omap_free_dma_chain()
1396 		dma_chan[channels[i]].state = DMA_CH_NOTSTARTED;  in omap_free_dma_chain()
1495 	dma_chan[lch].data = callbk_data;  in omap_dma_chain_a_transfer()
1523 			if (dma_chan[dma_chan[lch].prev_linked_ch].state ==  in omap_dma_chain_a_transfer()
1525 				enable_lnk(dma_chan[lch].prev_linked_ch);  in omap_dma_chain_a_transfer()
1526 			dma_chan[lch].state = DMA_CH_QUEUED;  in omap_dma_chain_a_transfer()
1536 			if (dma_chan[dma_chan[lch].prev_linked_ch].state ==  in omap_dma_chain_a_transfer()
1538 				enable_lnk(dma_chan[lch].prev_linked_ch);  in omap_dma_chain_a_transfer()
1539 				dma_chan[lch].state = DMA_CH_QUEUED;  in omap_dma_chain_a_transfer()
1542 					CCR, dma_chan[lch].prev_linked_ch))) {  in omap_dma_chain_a_transfer()
1543 					disable_lnk(dma_chan[lch].  in omap_dma_chain_a_transfer()
1550 			else if (dma_chan[dma_chan[lch].prev_linked_ch].state  in omap_dma_chain_a_transfer()
1552 				enable_lnk(dma_chan[lch].prev_linked_ch);  in omap_dma_chain_a_transfer()
1553 				dma_chan[lch].state = DMA_CH_QUEUED;  in omap_dma_chain_a_transfer()
1567 					dma_chan[lch].state = DMA_CH_STARTED;  in omap_dma_chain_a_transfer()
1576 			dma_chan[lch].flags |= OMAP_DMA_ACTIVE;  in omap_dma_chain_a_transfer()
1622 	dma_chan[channels[0]].state = DMA_CH_STARTED;  in omap_start_dma_chain_transfers()
1630 	dma_chan[channels[0]].flags |= OMAP_DMA_ACTIVE;  in omap_start_dma_chain_transfers()
1680 		dma_chan[channels[i]].state = DMA_CH_NOTSTARTED;  in omap_stop_dma_chain_transfers()
1817 		csr = dma_chan[ch].saved_csr;  in omap1_dma_handle_ch()
1818 		dma_chan[ch].saved_csr = 0;  in omap1_dma_handle_ch()
1822 		dma_chan[ch + 6].saved_csr = csr >> 7;  in omap1_dma_handle_ch()
1827 	if (unlikely(dma_chan[ch].dev_id == -1)) {  in omap1_dma_handle_ch()
1834 		       dma_chan[ch].dev_id);  in omap1_dma_handle_ch()
1837 		       "with device %d\n", dma_chan[ch].dev_id);  in omap1_dma_handle_ch()
1839 		dma_chan[ch].flags &= ~OMAP_DMA_ACTIVE;  in omap1_dma_handle_ch()
1840 	if (likely(dma_chan[ch].callback != NULL))  in omap1_dma_handle_ch()
1841 		dma_chan[ch].callback(ch, csr, dma_chan[ch].data);  in omap1_dma_handle_ch()
1855 		if (enable_1510_mode && dma_chan[ch + 6].saved_csr)  in omap1_dma_irq_handler()
1882 	if (unlikely(dma_chan[ch].dev_id == -1)) {  in omap2_dma_handle_ch()
1891 		       "%d\n", dma_chan[ch].dev_id);  in omap2_dma_handle_ch()
1894 		       dma_chan[ch].dev_id);  in omap2_dma_handle_ch()
1901 			dma_chan[ch].flags &= ~OMAP_DMA_ACTIVE;  in omap2_dma_handle_ch()
1906 		       dma_chan[ch].dev_id);  in omap2_dma_handle_ch()
1909 		       dma_chan[ch].dev_id);  in omap2_dma_handle_ch()
1917 	if (dma_chan[ch].chain_id != -1) {  in omap2_dma_handle_ch()
1918 		int chain_id = dma_chan[ch].chain_id;  in omap2_dma_handle_ch()
1919 		dma_chan[ch].state = DMA_CH_NOTSTARTED;  in omap2_dma_handle_ch()
1921 			dma_chan[dma_chan[ch].next_linked_ch].state =  in omap2_dma_handle_ch()
1934 	if (likely(dma_chan[ch].callback != NULL))  in omap2_dma_handle_ch()
1935 		dma_chan[ch].callback(ch, status, dma_chan[ch].data);  in omap2_dma_handle_ch()
1998 		if (dma_chan[ch].dev_id != -1)  in omap_dma_global_context_restore()
2025 	dma_chan		= d->chan;  in omap_system_dma_probe()
2043 		dma_chan[ch].dev_id = -1;  in omap_system_dma_probe()
2044 		dma_chan[ch].next_lch = -1;  in omap_system_dma_probe()
2098 		dma_chan[0].dev_id = 0;  in omap_system_dma_probe()
2099 		dma_chan[1].dev_id = 1;  in omap_system_dma_probe()
2115 	kfree(dma_chan);  in omap_system_dma_probe()
2137 	kfree(dma_chan);  in omap_system_dma_remove()