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73 lines
1.8 KiB
C
73 lines
1.8 KiB
C
#ifndef __FENNIX_API_PCI_H__
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#define __FENNIX_API_PCI_H__
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#include <types.h>
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/* https://sites.uclouvain.be/SystInfo/usr/include/linux/pci_regs.h.html */
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enum PCICommands
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{
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/** @brief Enable response in I/O space */
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PCI_COMMAND_IO = 0x1,
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/** @brief Enable response in Memory space */
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PCI_COMMAND_MEMORY = 0x2,
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/** @brief Enable bus mastering */
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PCI_COMMAND_MASTER = 0x4,
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/** @brief Enable response to special cycles */
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PCI_COMMAND_SPECIAL = 0x8,
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/** @brief Use memory write and invalidate */
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PCI_COMMAND_INVALIDATE = 0x10,
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/** @brief Enable palette snooping */
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PCI_COMMAND_VGA_PALETTE = 0x20,
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/** @brief Enable parity checking */
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PCI_COMMAND_PARITY = 0x40,
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/** @brief Enable address/data stepping */
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PCI_COMMAND_WAIT = 0x80,
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/** @brief Enable SERR */
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PCI_COMMAND_SERR = 0x100,
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/** @brief Enable back-to-back writes */
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PCI_COMMAND_FAST_BACK = 0x200,
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/** @brief INTx Emulation Disable */
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PCI_COMMAND_INTX_DISABLE = 0x400
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};
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struct PCIDeviceHeader
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{
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uint16_t VendorID;
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uint16_t DeviceID;
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uint16_t Command;
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uint16_t Status;
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uint8_t RevisionID;
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uint8_t ProgIF;
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uint8_t Subclass;
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uint8_t Class;
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uint8_t CacheLineSize;
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uint8_t LatencyTimer;
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uint8_t HeaderType;
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uint8_t BIST;
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};
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struct PCIHeader0
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{
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PCIDeviceHeader Header;
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uint32_t BAR0;
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uint32_t BAR1;
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uint32_t BAR2;
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uint32_t BAR3;
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uint32_t BAR4;
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uint32_t BAR5;
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uint32_t CardbusCISPtr;
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uint16_t SubsystemVendorID;
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uint16_t SubsystemID;
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uint32_t ExpansionROMBaseAddr;
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uint8_t CapabilitiesPtr;
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uint8_t Rsv0;
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uint16_t Rsv1;
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uint32_t Rsv2;
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uint8_t InterruptLine;
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uint8_t InterruptPin;
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uint8_t MinGrant;
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uint8_t MaxLatency;
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};
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#endif // !__FENNIX_API_PCI_H__
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