xref: /openbmc/qemu/include/hw/sparc/sparc32_dma.h (revision 8fa3b702)
1 #ifndef SPARC32_DMA_H
2 #define SPARC32_DMA_H
3 
4 #include "hw/sysbus.h"
5 #include "hw/scsi/esp.h"
6 #include "hw/net/lance.h"
7 #include "qom/object.h"
8 
9 #define DMA_REGS 4
10 
11 #define TYPE_SPARC32_DMA_DEVICE "sparc32-dma-device"
12 typedef struct DMADeviceState DMADeviceState;
13 DECLARE_INSTANCE_CHECKER(DMADeviceState, SPARC32_DMA_DEVICE,
14                          TYPE_SPARC32_DMA_DEVICE)
15 
16 
17 struct DMADeviceState {
18     SysBusDevice parent_obj;
19 
20     MemoryRegion iomem;
21     uint32_t dmaregs[DMA_REGS];
22     qemu_irq irq;
23     void *iommu;
24     qemu_irq gpio[2];
25 };
26 
27 #define TYPE_SPARC32_ESPDMA_DEVICE "sparc32-espdma"
28 typedef struct ESPDMADeviceState ESPDMADeviceState;
29 DECLARE_INSTANCE_CHECKER(ESPDMADeviceState, SPARC32_ESPDMA_DEVICE,
30                          TYPE_SPARC32_ESPDMA_DEVICE)
31 
32 struct ESPDMADeviceState {
33     DMADeviceState parent_obj;
34 
35     SysBusESPState *esp;
36 };
37 
38 #define TYPE_SPARC32_LEDMA_DEVICE "sparc32-ledma"
39 typedef struct LEDMADeviceState LEDMADeviceState;
40 DECLARE_INSTANCE_CHECKER(LEDMADeviceState, SPARC32_LEDMA_DEVICE,
41                          TYPE_SPARC32_LEDMA_DEVICE)
42 
43 struct LEDMADeviceState {
44     DMADeviceState parent_obj;
45 
46     SysBusPCNetState *lance;
47 };
48 
49 #define TYPE_SPARC32_DMA "sparc32-dma"
50 typedef struct SPARC32DMAState SPARC32DMAState;
51 DECLARE_INSTANCE_CHECKER(SPARC32DMAState, SPARC32_DMA,
52                          TYPE_SPARC32_DMA)
53 
54 struct SPARC32DMAState {
55     SysBusDevice parent_obj;
56 
57     MemoryRegion dmamem;
58     MemoryRegion ledma_alias;
59     ESPDMADeviceState *espdma;
60     LEDMADeviceState *ledma;
61 };
62 
63 /* sparc32_dma.c */
64 void ledma_memory_read(void *opaque, hwaddr addr,
65                        uint8_t *buf, int len, int do_bswap);
66 void ledma_memory_write(void *opaque, hwaddr addr,
67                         uint8_t *buf, int len, int do_bswap);
68 void espdma_memory_read(void *opaque, uint8_t *buf, int len);
69 void espdma_memory_write(void *opaque, uint8_t *buf, int len);
70 
71 #endif
72