113 	struct dma_chan			chan;  member
200 static struct mxs_dma_chan *to_mxs_dma_chan(struct dma_chan *chan)  in to_mxs_dma_chan()  argument
202 	return container_of(chan, struct mxs_dma_chan, chan);  in to_mxs_dma_chan()
205 static void mxs_dma_reset_chan(struct dma_chan *chan)  in mxs_dma_reset_chan()  argument
207 	struct mxs_dma_chan *mxs_chan = to_mxs_dma_chan(chan);  in mxs_dma_reset_chan()
209 	int chan_id = mxs_chan->chan.chan_id;  in mxs_dma_reset_chan()
254 static void mxs_dma_enable_chan(struct dma_chan *chan)  in mxs_dma_enable_chan()  argument
256 	struct mxs_dma_chan *mxs_chan = to_mxs_dma_chan(chan);  in mxs_dma_enable_chan()
258 	int chan_id = mxs_chan->chan.chan_id;  in mxs_dma_enable_chan()
277 static void mxs_dma_disable_chan(struct dma_chan *chan)  in mxs_dma_disable_chan()  argument
279 	struct mxs_dma_chan *mxs_chan = to_mxs_dma_chan(chan);  in mxs_dma_disable_chan()
284 static int mxs_dma_pause_chan(struct dma_chan *chan)  in mxs_dma_pause_chan()  argument
286 	struct mxs_dma_chan *mxs_chan = to_mxs_dma_chan(chan);  in mxs_dma_pause_chan()
288 	int chan_id = mxs_chan->chan.chan_id;  in mxs_dma_pause_chan()
302 static int mxs_dma_resume_chan(struct dma_chan *chan)  in mxs_dma_resume_chan()  argument
304 	struct mxs_dma_chan *mxs_chan = to_mxs_dma_chan(chan);  in mxs_dma_resume_chan()
306 	int chan_id = mxs_chan->chan.chan_id;  in mxs_dma_resume_chan()
350 	int chan = mxs_dma_irq_to_chan(mxs_dma, irq);  in mxs_dma_int_handler()  local
352 	if (chan < 0)  in mxs_dma_int_handler()
357 	completed = (completed >> chan) & 0x1;  in mxs_dma_int_handler()
360 	writel((1 << chan),  in mxs_dma_int_handler()
365 	err &= (1 << (MXS_DMA_CHANNELS + chan)) | (1 << chan);  in mxs_dma_int_handler()
372 	err = (err >> (MXS_DMA_CHANNELS + chan)) + (err >> chan);  in mxs_dma_int_handler()
375 	writel((1 << chan),  in mxs_dma_int_handler()
387 	mxs_chan = &mxs_dma->mxs_chans[chan];  in mxs_dma_int_handler()
392 			chan);  in mxs_dma_int_handler()
394 		mxs_dma_reset_chan(&mxs_chan->chan);  in mxs_dma_int_handler()
400 					HW_APBHX_CHn_SEMA(mxs_dma, chan));  in mxs_dma_int_handler()
418 static int mxs_dma_alloc_chan_resources(struct dma_chan *chan)  in mxs_dma_alloc_chan_resources()  argument
420 	struct mxs_dma_chan *mxs_chan = to_mxs_dma_chan(chan);  in mxs_dma_alloc_chan_resources()
443 	mxs_dma_reset_chan(chan);  in mxs_dma_alloc_chan_resources()
445 	dma_async_tx_descriptor_init(&mxs_chan->desc, chan);  in mxs_dma_alloc_chan_resources()
462 static void mxs_dma_free_chan_resources(struct dma_chan *chan)  in mxs_dma_free_chan_resources()  argument
464 	struct mxs_dma_chan *mxs_chan = to_mxs_dma_chan(chan);  in mxs_dma_free_chan_resources()
467 	mxs_dma_disable_chan(chan);  in mxs_dma_free_chan_resources()
500 		struct dma_chan *chan, struct scatterlist *sgl,  in mxs_dma_prep_slave_sg()  argument
504 	struct mxs_dma_chan *mxs_chan = to_mxs_dma_chan(chan);  in mxs_dma_prep_slave_sg()
598 		struct dma_chan *chan, dma_addr_t dma_addr, size_t buf_len,  in mxs_dma_prep_dma_cyclic()  argument
602 	struct mxs_dma_chan *mxs_chan = to_mxs_dma_chan(chan);  in mxs_dma_prep_dma_cyclic()
662 static int mxs_dma_terminate_all(struct dma_chan *chan)  in mxs_dma_terminate_all()  argument
664 	mxs_dma_reset_chan(chan);  in mxs_dma_terminate_all()
665 	mxs_dma_disable_chan(chan);  in mxs_dma_terminate_all()
670 static enum dma_status mxs_dma_tx_status(struct dma_chan *chan,  in mxs_dma_tx_status()  argument
673 	struct mxs_dma_chan *mxs_chan = to_mxs_dma_chan(chan);  in mxs_dma_tx_status()
686 				HW_APBHX_CHn_BAR(mxs_dma, chan->chan_id));  in mxs_dma_tx_status()
690 	dma_set_tx_state(txstate, chan->completed_cookie, chan->cookie,  in mxs_dma_tx_status()
730 static bool mxs_dma_filter_fn(struct dma_chan *chan, void *fn_param)  in mxs_dma_filter_fn()  argument
733 	struct mxs_dma_chan *mxs_chan = to_mxs_dma_chan(chan);  in mxs_dma_filter_fn()
740 	if (chan->chan_id != param->chan_id)  in mxs_dma_filter_fn()
820 		mxs_chan->chan.device = &mxs_dma->dma_device;  in mxs_dma_probe()
821 		dma_cookie_init(&mxs_chan->chan);  in mxs_dma_probe()
828 		list_add_tail(&mxs_chan->chan.device_node,  in mxs_dma_probe()