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