/* * 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 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