qemu

FORK: QEMU emulator
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bcm2835_dma.h (937B)

      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 
     14 typedef 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"
     29 OBJECT_DECLARE_SIMPLE_TYPE(BCM2835DMAState, BCM2835_DMA)
     30 
     31 #define BCM2835_DMA_NCHANS 16
     32 
     33 struct 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