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-rw-r--r--arch/blackfin/include/asm/mach-common/bits/dde.h88
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 0000000..f7b0bb9
--- /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
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