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39 lines
1.1 KiB
39 lines
1.1 KiB
1 week ago
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#ifndef TinyGPUDriver_h
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#define TinyGPUDriver_h
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#include <Availability.h>
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#include <DriverKit/IOService.iig>
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#include <PCIDriverKit/IOPCIDevice.iig>
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#include <DriverKit/IOMemoryMap.iig>
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#include <DriverKit/IODMACommand.iig>
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struct TinyGPUCreateDMAResp
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{
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IOBufferMemoryDescriptor* sharedBuf;
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IODMACommand* dmaCmd;
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};
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class TinyGPUDriver: public IOService
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{
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public:
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virtual bool init() override;
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virtual void free() override;
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virtual kern_return_t Start(IOService * provider) override;
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virtual kern_return_t Stop(IOService * provider) override;
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virtual kern_return_t NewUserClient(uint32_t in_type, IOUserClient** out_user_client) override;
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kern_return_t MapBar(uint32_t bar, IOMemoryDescriptor** memory) LOCALONLY;
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kern_return_t CreateDMA(size_t size, TinyGPUCreateDMAResp* dmaDesc) LOCALONLY;
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kern_return_t CfgRead(uint32_t off, uint32_t size, uint32_t* val) LOCALONLY;
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kern_return_t CfgWrite(uint32_t off, uint32_t size, uint32_t val) LOCALONLY;
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kern_return_t ResetDevice() LOCALONLY;
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kern_return_t BarInfo() LOCALONLY;
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};
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#endif /* TinyGPUDriver_h */
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