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Diffstat (limited to 'arch/blackfin/include/asm/dma.h')
-rw-r--r--arch/blackfin/include/asm/dma.h75
1 files changed, 75 insertions, 0 deletions
diff --git a/arch/blackfin/include/asm/dma.h b/arch/blackfin/include/asm/dma.h
new file mode 100644
index 000000000..21ff1cf9f
--- /dev/null
+++ b/arch/blackfin/include/asm/dma.h
@@ -0,0 +1,75 @@
+/*
+ * dma.h - Blackfin DMA defines/structures/etc...
+ *
+ * Copyright 2004-2008 Analog Devices Inc.
+ * Licensed under the GPL-2 or later.
+ */
+
+#ifndef _BLACKFIN_DMA_H_
+#define _BLACKFIN_DMA_H_
+
+#include <asm/mach-common/bits/dma.h>
+
+struct dmasg_large {
+ void *next_desc_addr;
+ unsigned long start_addr;
+ unsigned short cfg;
+ unsigned short x_count;
+ short x_modify;
+ unsigned short y_count;
+ short y_modify;
+} __attribute__((packed));
+
+struct dmasg {
+ unsigned long start_addr;
+ unsigned short cfg;
+ unsigned short x_count;
+ short x_modify;
+ unsigned short y_count;
+ short y_modify;
+} __attribute__((packed));
+
+struct dma_register {
+ void *next_desc_ptr; /* DMA Next Descriptor Pointer register */
+ unsigned long start_addr; /* DMA Start address register */
+
+ unsigned short cfg; /* DMA Configuration register */
+ unsigned short dummy1; /* DMA Configuration register */
+
+ unsigned long reserved;
+
+ unsigned short x_count; /* DMA x_count register */
+ unsigned short dummy2;
+
+ short x_modify; /* DMA x_modify register */
+ unsigned short dummy3;
+
+ unsigned short y_count; /* DMA y_count register */
+ unsigned short dummy4;
+
+ short y_modify; /* DMA y_modify register */
+ unsigned short dummy5;
+
+ void *curr_desc_ptr; /* DMA Current Descriptor Pointer
+ register */
+ unsigned long curr_addr_ptr; /* DMA Current Address Pointer
+ register */
+ unsigned short irq_status; /* DMA irq status register */
+ unsigned short dummy6;
+
+ unsigned short peripheral_map; /* DMA peripheral map register */
+ unsigned short dummy7;
+
+ unsigned short curr_x_count; /* DMA Current x-count register */
+ unsigned short dummy8;
+
+ unsigned long reserved2;
+
+ unsigned short curr_y_count; /* DMA Current y-count register */
+ unsigned short dummy9;
+
+ unsigned long reserved3;
+
+};
+
+#endif