LXR uboot/arch/blackfin/include/asm/dma.h

   1/*
   2 * dma.h - Blackfin DMA defines/structures/etc...
   3 *
   4 * Copyright 2004-2008 Analog Devices Inc.
   5 * Licensed under the GPL-2 or later.
   6 */
   7
   8#ifndef _BLACKFIN_DMA_H_
   9#define _BLACKFIN_DMA_H_
  10
  11#include <asm/mach-common/bits/dma.h>
  12
  13struct dmasg_large {
  14        void *next_desc_addr;
  15        unsigned long start_addr;
  16        unsigned short cfg;
  17        unsigned short x_count;
  18        short x_modify;
  19        unsigned short y_count;
  20        short y_modify;
  21} __attribute__((packed));
  22
  23struct dmasg {
  24        unsigned long start_addr;
  25        unsigned short cfg;
  26        unsigned short x_count;
  27        short x_modify;
  28        unsigned short y_count;
  29        short y_modify;
  30} __attribute__((packed));
  31
  32struct dma_register {
  33        void *next_desc_ptr;    /* DMA Next Descriptor Pointer register */
  34        unsigned long start_addr;       /* DMA Start address  register */
  35
  36        unsigned short cfg;     /* DMA Configuration register */
  37        unsigned short dummy1;  /* DMA Configuration register */
  38
  39        unsigned long reserved;
  40
  41        unsigned short x_count; /* DMA x_count register */
  42        unsigned short dummy2;
  43
  44        short x_modify; /* DMA x_modify register */
  45        unsigned short dummy3;
  46
  47        unsigned short y_count; /* DMA y_count register */
  48        unsigned short dummy4;
  49
  50        short y_modify; /* DMA y_modify register */
  51        unsigned short dummy5;
  52
  53        void *curr_desc_ptr;    /* DMA Current Descriptor Pointer
  54                                           register */
  55        unsigned long curr_addr_ptr;    /* DMA Current Address Pointer
  56                                                   register */
  57        unsigned short irq_status;      /* DMA irq status register */
  58        unsigned short dummy6;
  59
  60        unsigned short peripheral_map;  /* DMA peripheral map register */
  61        unsigned short dummy7;
  62
  63        unsigned short curr_x_count;    /* DMA Current x-count register */
  64        unsigned short dummy8;
  65
  66        unsigned long reserved2;
  67
  68        unsigned short curr_y_count;    /* DMA Current y-count register */
  69        unsigned short dummy9;
  70
  71        unsigned long reserved3;
  72
  73};
  74
  75#endif
  76