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 0000000000..f7b0bb90f3 --- /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 |