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authorSrikant Patnaik2015-01-11 12:28:04 +0530
committerSrikant Patnaik2015-01-11 12:28:04 +0530
commit871480933a1c28f8a9fed4c4d34d06c439a7a422 (patch)
tree8718f573808810c2a1e8cb8fb6ac469093ca2784 /arch/cris/include/arch-v32/mach-a3/mach/dma.h
parent9d40ac5867b9aefe0722bc1f110b965ff294d30d (diff)
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Moved, renamed, and deleted files
The original directory structure was scattered and unorganized. Changes are basically to make it look like kernel structure.
Diffstat (limited to 'arch/cris/include/arch-v32/mach-a3/mach/dma.h')
-rw-r--r--arch/cris/include/arch-v32/mach-a3/mach/dma.h58
1 files changed, 58 insertions, 0 deletions
diff --git a/arch/cris/include/arch-v32/mach-a3/mach/dma.h b/arch/cris/include/arch-v32/mach-a3/mach/dma.h
new file mode 100644
index 00000000..f01dca1a
--- /dev/null
+++ b/arch/cris/include/arch-v32/mach-a3/mach/dma.h
@@ -0,0 +1,58 @@
+#ifndef _ASM_ARCH_CRIS_DMA_H
+#define _ASM_ARCH_CRIS_DMA_H
+
+/* Defines for using and allocating dma channels. */
+
+#define MAX_DMA_CHANNELS 12 /* 8 and 10 not used. */
+
+#define NETWORK_ETH_TX_DMA_NBR 0 /* Ethernet 0 out. */
+#define NETWORK_ETH_RX_DMA_NBR 1 /* Ethernet 0 in. */
+
+#define IO_PROC_DMA_TX_DMA_NBR 4 /* IO processor DMA0 out. */
+#define IO_PROC_DMA_RX_DMA_NBR 5 /* IO processor DMA0 in. */
+
+#define ASYNC_SER3_TX_DMA_NBR 2 /* Asynchronous serial port 3 out. */
+#define ASYNC_SER3_RX_DMA_NBR 3 /* Asynchronous serial port 3 in. */
+
+#define ASYNC_SER2_TX_DMA_NBR 6 /* Asynchronous serial port 2 out. */
+#define ASYNC_SER2_RX_DMA_NBR 7 /* Asynchronous serial port 2 in. */
+
+#define ASYNC_SER1_TX_DMA_NBR 4 /* Asynchronous serial port 1 out. */
+#define ASYNC_SER1_RX_DMA_NBR 5 /* Asynchronous serial port 1 in. */
+
+#define SYNC_SER_TX_DMA_NBR 6 /* Synchronous serial port 0 out. */
+#define SYNC_SER_RX_DMA_NBR 7 /* Synchronous serial port 0 in. */
+
+#define ASYNC_SER0_TX_DMA_NBR 0 /* Asynchronous serial port 0 out. */
+#define ASYNC_SER0_RX_DMA_NBR 1 /* Asynchronous serial port 0 in. */
+
+#define STRCOP_TX_DMA_NBR 2 /* Stream co-processor out. */
+#define STRCOP_RX_DMA_NBR 3 /* Stream co-processor in. */
+
+#define dma_eth0 dma_eth
+#define dma_eth1 dma_eth
+
+enum dma_owner {
+ dma_eth,
+ dma_ser0,
+ dma_ser1,
+ dma_ser2,
+ dma_ser3,
+ dma_ser4,
+ dma_iop,
+ dma_sser,
+ dma_strp,
+ dma_h264,
+ dma_jpeg
+};
+
+int crisv32_request_dma(unsigned int dmanr, const char *device_id,
+ unsigned options, unsigned bandwidth, enum dma_owner owner);
+void crisv32_free_dma(unsigned int dmanr);
+
+/* Masks used by crisv32_request_dma options: */
+#define DMA_VERBOSE_ON_ERROR 1
+#define DMA_PANIC_ON_ERROR (2|DMA_VERBOSE_ON_ERROR)
+#define DMA_INT_MEM 4
+
+#endif /* _ASM_ARCH_CRIS_DMA_H */