48 lines
936 B
C
48 lines
936 B
C
/*
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* Raspberry Pi emulation (c) 2012 Gregory Estrade
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* This code is licensed under the GNU GPLv2 and later.
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*/
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#ifndef BCM2835_DMA_H
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#define BCM2835_DMA_H
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#include "qemu-common.h"
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#include "exec/address-spaces.h"
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#include "hw/sysbus.h"
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typedef struct {
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uint32_t cs;
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uint32_t conblk_ad;
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uint32_t ti;
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uint32_t source_ad;
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uint32_t dest_ad;
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uint32_t txfr_len;
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uint32_t stride;
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uint32_t nextconbk;
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uint32_t debug;
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qemu_irq irq;
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} BCM2835DMAChan;
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#define TYPE_BCM2835_DMA "bcm2835-dma"
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#define BCM2835_DMA(obj) \
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OBJECT_CHECK(BCM2835DMAState, (obj), TYPE_BCM2835_DMA)
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#define BCM2835_DMA_NCHANS 16
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typedef struct {
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/*< private >*/
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SysBusDevice busdev;
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/*< public >*/
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MemoryRegion iomem0, iomem15;
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MemoryRegion *dma_mr;
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AddressSpace dma_as;
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BCM2835DMAChan chan[BCM2835_DMA_NCHANS];
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uint32_t int_status;
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uint32_t enable;
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} BCM2835DMAState;
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#endif
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