diff options
Diffstat (limited to 'arch/blackfin/include/asm/mach-common/bits/dde.h')
| -rw-r--r-- | arch/blackfin/include/asm/mach-common/bits/dde.h | 88 | 
1 files changed, 88 insertions, 0 deletions
| diff --git a/arch/blackfin/include/asm/mach-common/bits/dde.h b/arch/blackfin/include/asm/mach-common/bits/dde.h new file mode 100644 index 000000000..f7b0bb90f --- /dev/null +++ b/arch/blackfin/include/asm/mach-common/bits/dde.h @@ -0,0 +1,88 @@ +/* + * Distributed DMA Engine (DDE) Masks + */ + +#ifndef __BFIN_PERIPHERAL_DDE__ +#define __BFIN_PERIPHERAL_DDE__ + +/* DMA_CONFIG Masks */ +#define DMAEN			(1 << DMAEN_P)	/* DMA Channel Enable */ +#define WNR			(1 << WNR_P)	/* Channel Direction (W/R*) */ +#define SYNC			(1 << SYNC_P)	/* Sync Work Unit Transitions */ +#define CADDR			(1 << CADDR_P)	/* Use Current Address */ +#define PSIZE			(7 << PSIZE_P)	/* Peripheral Word Size */ +#define PSIZE_1			(0 << PSIZE_P) +#define PSIZE_2			(1 << PSIZE_P) +#define PSIZE_4			(2 << PSIZE_P) +#define PSIZE_8			(3 << PSIZE_P) +#define MSIZE			(7 << MSIZE_P)	/* Memory Transfer Size */ +#define MSIZE_1			(0 << MSIZE_P) +#define MSIZE_2			(1 << MSIZE_P) +#define MSIZE_4			(2 << MSIZE_P) +#define MSIZE_8			(3 << MSIZE_P) +#define MSIZE_16		(4 << MSIZE_P) +#define MSIZE_32		(5 << MSIZE_P) +#define FLOW			(7 << FLOW_P)	/* Next Operation */ +#define FLOW_STOP		(0 << FLOW_P)	/* Stop Mode */ +#define FLOW_AUTO		(1 << FLOW_P)	/* Autobuffer Mode */ +#define FLOW_DSCL		(4 << FLOW_P)	/* Descriptor List */ +#define FLOW_DSCA		(5 << FLOW_P)	/* Descriptor Array */ +#define FLOW_DSDL		(6 << FLOW_P)	/* Descriptor On Demand List */ +#define FLOW_DSDA		(7 << FLOW_P)	/* Descriptor On Demand Array */ +#define NDSIZE			(7 << NDSIZE_P)	/* Next Descriptor Set Size */ +#define NDSIZE_1		(0 << NDSIZE_P) +#define NDSIZE_2		(1 << NDSIZE_P) +#define NDSIZE_3		(2 << NDSIZE_P) +#define NDSIZE_4		(3 << NDSIZE_P) +#define NDSIZE_5		(4 << NDSIZE_P) +#define NDSIZE_6		(5 << NDSIZE_P) +#define NDSIZE_7		(6 << NDSIZE_P) +#define DI_EN_X                 (1 << INT_P) +#define DI_EN_Y                 (2 << INT_P) +#define DI_EN_P			(3 << INT_P) +#define DI_EN			(DI_EN_X) +#define DI_XCOUNT_EN            (1 << INT_P)    /* xcount expires interrupt */ +#define TRIG			(3 << TRIG_P)	/* Generate Trigger */ +#define TOVEN			(1 << TOVEN_P) +#define DESCIDCPY		(1 << DESCIDCPY_P) +#define TWOD			(1 << TWOD_P) +#define PDRF			(1 << PDRF_P) + +#define DMAEN_P			0 +#define WNR_P			1 +#define SYNC_P			2 +#define CADDR_P			3 +#define PSIZE_P			4 +#define MSIZE_P			8 +#define FLOW_P			12 +#define TWAIT_P			15 +#define NDSIZE_P		16 +#define INT_P			20 +#define TRIG_P			22 +#define TOVEN_P			24 +#define DESCIDCPY_P		25 +#define TWOD_P			26 +#define PDRF_P			28 + +/* DMA_STATUS Masks */ +#define DMA_DONE		(1 << DMA_DONE_P)	/* Work Unit/Row Done */ +#define DMA_ERR			(1 << DMA_ERR_P)	/* Error Interrupt */ +#define DMA_PIRQ		(1 << DMA_PIRQ_P)	/* Peri Intr Request */ +#define DMA_ERRC		(7 << DMA_ERRC_P)	/* Error Cause */ +#define DMA_RUN			(7 << DMA_RUN_P)	/* Run Status */ +#define DMA_PBWIDTH		(3 << DMA_PBWIDTH_P)	/* Peri Bus Width */ +#define DMA_MBWIDTH		(3 << DMA_MBWIDTH_P)	/* Memory Bus Width */ +#define DMA_FIFOFILL		(7 << DMA_FIFOFILL_P)	/* FIFO Fill Status */ +#define DMA_TWAIT		(1 << DMA_TWAIT_P)	/* Trigger Wait Stat */ + +#define DMA_DONE_P		0 +#define DMA_ERR_P		1 +#define DMA_PIRQ_P		2 +#define DMA_ERRC_P		4 +#define DMA_RUN_P		8 +#define DMA_PBWIDTH_P		12 +#define DMA_MBWIDTH_P		14 +#define DMA_FIFOFILL_P		16 +#define DMA_TWAIT_P		20 + +#endif |