53 #define AT_DMA_SSREQ(x)		BIT((x) << 1)		/* Request a source single transfer on channel x */
54 #define AT_DMA_DSREQ(x)		BIT(1 + ((x) << 1))	/* Request a destination single transfer on channel x …
58 #define AT_DMA_SCREQ(x)		BIT((x) << 1)		/* Request a source chunk transfer on channel x */
59 #define AT_DMA_DCREQ(x)		BIT(1 + ((x) << 1))	/* Request a destination chunk transfer on channel x */
63 #define AT_DMA_SLAST(x)		BIT((x) << 1)		/* This src rq is last tx of buffer on channel x */
64 #define AT_DMA_DLAST(x)		BIT(1 + ((x) << 1))	/* This dst rq is last tx of buffer on channel x */
115 #define ATC_DSCR_IF		GENMASK(1, 0)	/* Dsc feched via AHB-Lite Interface */
127 #define ATC_SIF			GENMASK(1, 0)	/* Src tx done via AHB-Lite Interface i */
130 #define AT_DMA_PER_IF		0x1		/* interface 1 as peripheral interface */
253 	ATC_IS_PAUSED = 1,
297  * 1 -> 0, 4 -> 1, 8 -> 2, 16 -> 3, 32 -> 4, 64 -> 5, 128 -> 6, 256 -> 7.
303 	if (*maxburst > 1)  in convert_burst()
311  * 1 byte -> 0, 2 bytes -> 1, 4 bytes -> 2.
317 		return 1;  in convert_buswidth()
321 		/* For 1 byte width or fallback */  in convert_buswidth()
429 	atc_setup_irq(atdma, chan_id, 1);  in atc_enable_chan_irq()
530 	else if (!((src | dst | len) & 1))  in atc_get_xfer_width()
531 		width = 1;  in atc_get_xfer_width()
543 		desc->sg[i - 1].lli->dscr = atdma_sg->lli_phys;  in atdma_lli_chain()
713 	for (i = 1; i < desc->sglen; i++) {  in atc_get_llis_residue()
874 	if (unlikely(!xt || xt->numf != 1 || !xt->frame_size))  in atc_prep_dma_interleaved()
922 	desc = kzalloc(struct_size(desc, sg, 1), GFP_ATOMIC);  in atc_prep_dma_interleaved()
925 	desc->sglen = 1;  in atc_prep_dma_interleaved()
942 	desc->dst_hole = (dmaengine_get_dst_icg(xt, first) >> dwidth) + 1;  in atc_prep_dma_interleaved()
943 	desc->src_hole = (dmaengine_get_src_icg(xt, first) >> dwidth) + 1;  in atc_prep_dma_interleaved()
1031 	set_lli_eol(desc, i - 1);  in atc_prep_dma_memcpy()
1124 	desc = kzalloc(struct_size(desc, sg, 1), GFP_ATOMIC);  in atc_prep_dma_memset()
1127 	desc->sglen = 1;  in atc_prep_dma_memset()
1218 	set_lli_eol(desc, i - 1);  in atc_prep_dma_memset_sg()
1378 	set_lli_eol(desc, i - 1);  in atc_prep_slave_sg()
1401 	if (unlikely(period_len & ((1 << reg_width) - 1)))  in atc_dma_cyclic_check_values()
1403 	if (unlikely(buf_addr & ((1 << reg_width) - 1)))  in atc_dma_cyclic_check_values()
1538 	desc->sg[i - 1].lli->dscr = desc->sg[0].lli_phys;  in atc_prep_dma_cyclic()
1817 	per_id = dma_spec->args[1] & AT91_DMA_CFG_PER_ID_MASK;  in at_dma_xlate()
1824 	switch (dma_spec->args[1] & AT91_DMA_CFG_FIFOCFG_MASK) {  in at_dma_xlate()
1921 	dma_writel(atdma, EBCIDR, -1L);  in at_dma_off()
1966 	atdma->all_chan_mask = (1 << plat_dat->nr_channels) - 1;  in at_dma_probe()
2017 		atchan->mask = 1 << i;  in at_dma_probe()
2106 	struct dma_chan		*chan, *_chan;  in at_dma_remove()  local
2117 	list_for_each_entry_safe(chan, _chan, &atdma->dma_device.channels,  in at_dma_remove()
2140 	struct dma_chan *chan, *_chan;  in at_dma_prepare()  local
2142 	list_for_each_entry_safe(chan, _chan, &atdma->dma_device.channels,  in at_dma_prepare()
2174 	struct dma_chan *chan, *_chan;  in at_dma_suspend_noirq()  local
2177 	list_for_each_entry_safe(chan, _chan, &atdma->dma_device.channels,  in at_dma_suspend_noirq()
2215 	struct dma_chan *chan, *_chan;  in at_dma_resume_noirq()  local
2227 	list_for_each_entry_safe(chan, _chan, &atdma->dma_device.channels,  in at_dma_resume_noirq()