35 static void idma64_off(struct idma64 *idma64)  in idma64_off()  argument
39 	dma_writel(idma64, CFG, 0);  in idma64_off()
41 	channel_clear_bit(idma64, MASK(XFER), idma64->all_chan_mask);  in idma64_off()
42 	channel_clear_bit(idma64, MASK(BLOCK), idma64->all_chan_mask);  in idma64_off()
43 	channel_clear_bit(idma64, MASK(SRC_TRAN), idma64->all_chan_mask);  in idma64_off()
44 	channel_clear_bit(idma64, MASK(DST_TRAN), idma64->all_chan_mask);  in idma64_off()
45 	channel_clear_bit(idma64, MASK(ERROR), idma64->all_chan_mask);  in idma64_off()
49 	} while (dma_readl(idma64, CFG) & IDMA64_CFG_DMA_EN && --count);  in idma64_off()
52 static void idma64_on(struct idma64 *idma64)  in idma64_on()  argument
54 	dma_writel(idma64, CFG, IDMA64_CFG_DMA_EN);  in idma64_on()
59 static void idma64_chan_init(struct idma64 *idma64, struct idma64_chan *idma64c)  in idma64_chan_init()  argument
71 	channel_set_bit(idma64, MASK(XFER), idma64c->mask);  in idma64_chan_init()
72 	channel_set_bit(idma64, MASK(ERROR), idma64c->mask);  in idma64_chan_init()
81 	idma64_on(idma64);  in idma64_chan_init()
84 static void idma64_chan_stop(struct idma64 *idma64, struct idma64_chan *idma64c)  in idma64_chan_stop()  argument
86 	channel_clear_bit(idma64, CH_EN, idma64c->mask);  in idma64_chan_stop()
89 static void idma64_chan_start(struct idma64 *idma64, struct idma64_chan *idma64c)  in idma64_chan_start()  argument
102 	channel_set_bit(idma64, CH_EN, idma64c->mask);  in idma64_chan_start()
107 	struct idma64 *idma64 = to_idma64(idma64c->vchan.chan.device);  in idma64_stop_transfer()  local
109 	idma64_chan_stop(idma64, idma64c);  in idma64_stop_transfer()
114 	struct idma64 *idma64 = to_idma64(idma64c->vchan.chan.device);  in idma64_start_transfer()  local
128 	idma64_chan_init(idma64, idma64c);  in idma64_start_transfer()
131 	idma64_chan_start(idma64, idma64c);  in idma64_start_transfer()
136 static void idma64_chan_irq(struct idma64 *idma64, unsigned short c,  in idma64_chan_irq()  argument
139 	struct idma64_chan *idma64c = &idma64->chan[c];  in idma64_chan_irq()
149 			dma_writel(idma64, CLEAR(ERROR), idma64c->mask);  in idma64_chan_irq()
152 			dma_writel(idma64, CLEAR(XFER), idma64c->mask);  in idma64_chan_irq()
168 	struct idma64 *idma64 = dev;  in idma64_irq()  local
169 	u32 status = dma_readl(idma64, STATUS_INT);  in idma64_irq()
174 	dev_vdbg(idma64->dma.dev, "%s: status=%#x\n", __func__, status);  in idma64_irq()
180 	status_xfer = dma_readl(idma64, RAW(XFER));  in idma64_irq()
181 	status_err = dma_readl(idma64, RAW(ERROR));  in idma64_irq()
183 	for (i = 0; i < idma64->dma.chancnt; i++)  in idma64_irq()
184 		idma64_chan_irq(idma64, i, status_err, status_xfer);  in idma64_irq()
535 	struct idma64 *idma64;  in idma64_probe()  local
540 	idma64 = devm_kzalloc(chip->dev, sizeof(*idma64), GFP_KERNEL);  in idma64_probe()
541 	if (!idma64)  in idma64_probe()
544 	idma64->regs = chip->regs;  in idma64_probe()
545 	chip->idma64 = idma64;  in idma64_probe()
547 	idma64->chan = devm_kcalloc(chip->dev, nr_chan, sizeof(*idma64->chan),  in idma64_probe()
549 	if (!idma64->chan)  in idma64_probe()
552 	idma64->all_chan_mask = (1 << nr_chan) - 1;  in idma64_probe()
555 	idma64_off(idma64);  in idma64_probe()
558 			       dev_name(chip->dev), idma64);  in idma64_probe()
562 	INIT_LIST_HEAD(&idma64->dma.channels);  in idma64_probe()
564 		struct idma64_chan *idma64c = &idma64->chan[i];  in idma64_probe()
567 		vchan_init(&idma64c->vchan, &idma64->dma);  in idma64_probe()
569 		idma64c->regs = idma64->regs + i * IDMA64_CH_LENGTH;  in idma64_probe()
573 	dma_cap_set(DMA_SLAVE, idma64->dma.cap_mask);  in idma64_probe()
574 	dma_cap_set(DMA_PRIVATE, idma64->dma.cap_mask);  in idma64_probe()
576 	idma64->dma.device_alloc_chan_resources = idma64_alloc_chan_resources;  in idma64_probe()
577 	idma64->dma.device_free_chan_resources = idma64_free_chan_resources;  in idma64_probe()
579 	idma64->dma.device_prep_slave_sg = idma64_prep_slave_sg;  in idma64_probe()
581 	idma64->dma.device_issue_pending = idma64_issue_pending;  in idma64_probe()
582 	idma64->dma.device_tx_status = idma64_tx_status;  in idma64_probe()
584 	idma64->dma.device_config = idma64_slave_config;  in idma64_probe()
585 	idma64->dma.device_pause = idma64_pause;  in idma64_probe()
586 	idma64->dma.device_resume = idma64_resume;  in idma64_probe()
587 	idma64->dma.device_terminate_all = idma64_terminate_all;  in idma64_probe()
588 	idma64->dma.device_synchronize = idma64_synchronize;  in idma64_probe()
590 	idma64->dma.src_addr_widths = IDMA64_BUSWIDTHS;  in idma64_probe()
591 	idma64->dma.dst_addr_widths = IDMA64_BUSWIDTHS;  in idma64_probe()
592 	idma64->dma.directions = BIT(DMA_DEV_TO_MEM) | BIT(DMA_MEM_TO_DEV);  in idma64_probe()
593 	idma64->dma.residue_granularity = DMA_RESIDUE_GRANULARITY_BURST;  in idma64_probe()
595 	idma64->dma.dev = chip->sysdev;  in idma64_probe()
597 	dma_set_max_seg_size(idma64->dma.dev, IDMA64C_CTLH_BLOCK_TS_MASK);  in idma64_probe()
599 	ret = dma_async_device_register(&idma64->dma);  in idma64_probe()
609 	struct idma64 *idma64 = chip->idma64;  in idma64_remove()  local
612 	dma_async_device_unregister(&idma64->dma);  in idma64_remove()
618 	devm_free_irq(chip->dev, chip->irq, idma64);  in idma64_remove()
620 	for (i = 0; i < idma64->dma.chancnt; i++) {  in idma64_remove()
621 		struct idma64_chan *idma64c = &idma64->chan[i];  in idma64_remove()
676 	idma64_off(chip->idma64);  in idma64_pm_suspend()
684 	idma64_on(chip->idma64);  in idma64_pm_resume()