LXR qemu/include/hw/dma/bcm2835

   1/*
   2 * Raspberry Pi emulation (c) 2012 Gregory Estrade
   3 *
   4 * This work is licensed under the terms of the GNU GPL, version 2 or later.
   5 * See the COPYING file in the top-level directory.
   6 */
   7
   8#ifndef BCM2835_DMA_H
   9#define BCM2835_DMA_H
  10
  11#include "hw/sysbus.h"
  12#include "qom/object.h"
  13
  14typedef struct {
  15    uint32_t cs;
  16    uint32_t conblk_ad;
  17    uint32_t ti;
  18    uint32_t source_ad;
  19    uint32_t dest_ad;
  20    uint32_t txfr_len;
  21    uint32_t stride;
  22    uint32_t nextconbk;
  23    uint32_t debug;
  24
  25    qemu_irq irq;
  26} BCM2835DMAChan;
  27
  28#define TYPE_BCM2835_DMA "bcm2835-dma"
  29OBJECT_DECLARE_SIMPLE_TYPE(BCM2835DMAState, BCM2835_DMA)
  30
  31#define BCM2835_DMA_NCHANS 16
  32
  33struct BCM2835DMAState {
  34    /*< private >*/
  35    SysBusDevice busdev;
  36    /*< public >*/
  37
  38    MemoryRegion iomem0, iomem15;
  39    MemoryRegion *dma_mr;
  40    AddressSpace dma_as;
  41
  42    BCM2835DMAChan chan[BCM2835_DMA_NCHANS];
  43    uint32_t int_status;
  44    uint32_t enable;
  45};
  46
  47#endif
  48