76 lines
1.7 KiB
C
76 lines
1.7 KiB
C
/*
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* dma.h - Blackfin DMA defines/structures/etc...
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*
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* Copyright 2004-2008 Analog Devices Inc.
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* Licensed under the GPL-2 or later.
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*/
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#ifndef _BLACKFIN_DMA_H_
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#define _BLACKFIN_DMA_H_
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#include <asm/mach-common/bits/dma.h>
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struct dmasg_large {
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void *next_desc_addr;
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unsigned long start_addr;
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unsigned short cfg;
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unsigned short x_count;
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short x_modify;
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unsigned short y_count;
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short y_modify;
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} __attribute__((packed));
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struct dmasg {
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unsigned long start_addr;
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unsigned short cfg;
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unsigned short x_count;
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short x_modify;
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unsigned short y_count;
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short y_modify;
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} __attribute__((packed));
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struct dma_register {
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void *next_desc_ptr; /* DMA Next Descriptor Pointer register */
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unsigned long start_addr; /* DMA Start address register */
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unsigned short cfg; /* DMA Configuration register */
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unsigned short dummy1; /* DMA Configuration register */
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unsigned long reserved;
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unsigned short x_count; /* DMA x_count register */
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unsigned short dummy2;
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short x_modify; /* DMA x_modify register */
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unsigned short dummy3;
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unsigned short y_count; /* DMA y_count register */
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unsigned short dummy4;
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short y_modify; /* DMA y_modify register */
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unsigned short dummy5;
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void *curr_desc_ptr; /* DMA Current Descriptor Pointer
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register */
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unsigned long curr_addr_ptr; /* DMA Current Address Pointer
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register */
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unsigned short irq_status; /* DMA irq status register */
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unsigned short dummy6;
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unsigned short peripheral_map; /* DMA peripheral map register */
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unsigned short dummy7;
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unsigned short curr_x_count; /* DMA Current x-count register */
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unsigned short dummy8;
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unsigned long reserved2;
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unsigned short curr_y_count; /* DMA Current y-count register */
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unsigned short dummy9;
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unsigned long reserved3;
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};
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#endif
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