drivers/dma/fsl-edma-common.h

254 #define edma_read_tcdreg_c(chan, _tcd,  __name)				\
256 	__iomem __le64 : edma_readq(chan->edma, &(_tcd)->__name),		\
257 	__iomem __le32 : edma_readl(chan->edma, &(_tcd)->__name),		\
258 	__iomem __le16 : edma_readw(chan->edma, &(_tcd)->__name)		\
261 #define edma_read_tcdreg(chan, __name)								\
262 ((fsl_edma_drvflags(chan) & FSL_EDMA_DRV_TCD64) ?						\
263 	edma_read_tcdreg_c(chan, ((struct fsl_edma_hw_tcd64 __iomem *)chan->tcd), __name) :	\
264 	edma_read_tcdreg_c(chan, ((struct fsl_edma_hw_tcd __iomem *)chan->tcd), __name)		\
267 #define edma_write_tcdreg_c(chan, _tcd, _val, __name)					\
269 	__iomem __le64 : edma_writeq(chan->edma, (u64 __force)(_val), &_tcd->__name),	\
270 	__iomem __le32 : edma_writel(chan->edma, (u32 __force)(_val), &_tcd->__name),	\
271 	__iomem __le16 : edma_writew(chan->edma, (u16 __force)(_val), &_tcd->__name),	\
272 	__iomem u8 : edma_writeb(chan->edma, _val, &_tcd->__name)			\
275 #define edma_write_tcdreg(chan, val, __name)							   \
277 	struct fsl_edma_hw_tcd64 __iomem *tcd64_r = (struct fsl_edma_hw_tcd64 __iomem *)chan->tcd; \
278 	struct fsl_edma_hw_tcd __iomem *tcd_r = (struct fsl_edma_hw_tcd __iomem *)chan->tcd;	   \
280 	if (fsl_edma_drvflags(chan) & FSL_EDMA_DRV_TCD64)					   \
281 		edma_write_tcdreg_c(chan, tcd64_r, val, __name);				   \
283 		edma_write_tcdreg_c(chan, tcd_r, val, __name);					   \
286 #define edma_cp_tcd_to_reg(chan, __tcd, __name)							   \
288 	struct fsl_edma_hw_tcd64 __iomem *tcd64_r = (struct fsl_edma_hw_tcd64 __iomem *)chan->tcd; \
289 	struct fsl_edma_hw_tcd __iomem *tcd_r = (struct fsl_edma_hw_tcd __iomem *)chan->tcd;	   \
293 	if (fsl_edma_drvflags(chan) & FSL_EDMA_DRV_TCD64)					   \
294 		edma_write_tcdreg_c(chan, tcd64_r,  tcd64_m->__name, __name);			   \
296 		edma_write_tcdreg_c(chan, tcd_r, tcd_m->__name, __name);			   \
299 #define edma_readl_chreg(chan, __name)				\
300 	edma_readl(chan->edma,					\
301 		   (void __iomem *)&(container_of(((__force void *)chan->tcd),\
304 #define edma_writel_chreg(chan, val,  __name)			\
305 	edma_writel(chan->edma, val,				\
306 		   (void __iomem *)&(container_of(((__force void *)chan->tcd),\
445 static inline struct fsl_edma_chan *to_fsl_edma_chan(struct dma_chan *chan)
447 	return container_of(chan, struct fsl_edma_chan, vchan.chan);
466 int fsl_edma_terminate_all(struct dma_chan *chan);
467 int fsl_edma_pause(struct dma_chan *chan);
468 int fsl_edma_resume(struct dma_chan *chan);
469 int fsl_edma_slave_config(struct dma_chan *chan,
471 enum dma_status fsl_edma_tx_status(struct dma_chan *chan,
474 		struct dma_chan *chan, dma_addr_t dma_addr, size_t buf_len,
478 		struct dma_chan *chan, struct scatterlist *sgl,
482 		struct dma_chan *chan, dma_addr_t dma_dst, dma_addr_t dma_src,
485 void fsl_edma_issue_pending(struct dma_chan *chan);
486 int fsl_edma_alloc_chan_resources(struct dma_chan *chan);
487 void fsl_edma_free_chan_resources(struct dma_chan *chan);