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104 lines
2.4 KiB
C
104 lines
2.4 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 <linux/types.h>
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#ifdef __ADSPBF60x__
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#include <asm/mach-common/bits/dde.h>
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#else
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#include <asm/mach-common/bits/dma.h>
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#endif
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struct dmasg_large {
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void *next_desc_addr;
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u32 start_addr;
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u16 cfg;
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u16 x_count;
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s16 x_modify;
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u16 y_count;
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s16 y_modify;
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} __attribute__((packed));
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struct dmasg {
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u32 start_addr;
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u16 cfg;
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u16 x_count;
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s16 x_modify;
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u16 y_count;
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s16 y_modify;
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} __attribute__((packed));
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struct dma_register {
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#ifdef __ADSPBF60x__
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void *next_desc_ptr; /* DMA Next Descriptor Pointer register */
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u32 start_addr; /* DMA Start address register */
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u32 config; /* DMA Configuration register */
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u32 x_count; /* DMA x_count register */
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s32 x_modify; /* DMA x_modify register */
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u32 y_count; /* DMA y_count register */
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s32 y_modify; /* DMA y_modify register */
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u32 __pad0[2];
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void *curr_desc_ptr; /* DMA Curr Descriptor Pointer register */
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void *prev_desc_ptr; /* DMA Prev Descriptor Pointer register */
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void *curr_addr; /* DMA Current Address Pointer register */
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u32 status; /* DMA irq status register */
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u32 curr_x_count; /* DMA Current x-count register */
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u32 curr_y_count; /* DMA Current y-count register */
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u32 __pad1[2];
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u32 bw_limit; /* DMA Bandwidth Limit Count */
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u32 curr_bw_limit; /* DMA curr Bandwidth Limit Count */
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u32 bw_monitor; /* DMA Bandwidth Monitor Count */
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u32 curr_bw_monitor; /* DMA curr Bandwidth Monitor Count */
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#else
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void *next_desc_ptr; /* DMA Next Descriptor Pointer register */
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u32 start_addr; /* DMA Start address register */
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u16 config; /* DMA Configuration register */
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u16 dummy1; /* DMA Configuration register */
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u32 reserved;
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u16 x_count; /* DMA x_count register */
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u16 dummy2;
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s16 x_modify; /* DMA x_modify register */
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u16 dummy3;
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u16 y_count; /* DMA y_count register */
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u16 dummy4;
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s16 y_modify; /* DMA y_modify register */
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u16 dummy5;
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void *curr_desc_ptr; /* DMA Current Descriptor Pointer register */
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u32 curr_addr_ptr; /* DMA Current Address Pointer register */
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u16 status; /* DMA irq status register */
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u16 dummy6;
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u16 peripheral_map; /* DMA peripheral map register */
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u16 dummy7;
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u16 curr_x_count; /* DMA Current x-count register */
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u16 dummy8;
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u32 reserved2;
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u16 curr_y_count; /* DMA Current y-count register */
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u16 dummy9;
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u32 reserved3;
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#endif
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};
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#endif
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