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70 lines
1.6 KiB
C
70 lines
1.6 KiB
C
#ifndef _KERNEL_DEVICE_PCI_H
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#define _KERNEL_DEVICE_PCI_H
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#include <device/pci_info.h>
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#include <libk/std.h>
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#define PCI_CONFIG_ADDR 0xCF8
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#define PCI_CONFIG_DATA 0xCFC
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#define PCI_VENDOR_ID 0x00
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#define PCI_DEVICE_ID 0x02
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#define PCI_COMMAND 0x04
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#define PCI_STATUS 0x06
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#define PCI_REVISION_ID 0x08
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#define PCI_PROG_IF 0x09
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#define PCI_SUBCLASS 0x0A
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#define PCI_CLASS 0x0B
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#define PCI_CACHELINE 0x0C
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#define PCI_LATENCY 0x0D
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#define PCI_HEADER_TYPE 0x0E
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#define PCI_BIST 0x0F
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#define PCI_BAR0 0x10
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struct pci_vendor {
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uint16_t id;
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const char* name;
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};
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struct pci_device_id {
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uint16_t vendor_id;
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uint16_t device_id;
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const char* name;
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};
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struct pci_class {
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uint8_t class;
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uint8_t subclass;
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const char* name;
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};
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struct pci_driver_info {
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uint8_t class;
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uint8_t subclass;
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bool (*init) (struct pci_info pci_info);
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};
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typedef void (*pci_cb_func_t) (struct pci_info pci_info);
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void pci_init (void);
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uint32_t pci_read32 (uint8_t bus, uint8_t slot, uint8_t func, uint8_t offset);
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void pci_write32 (uint8_t bus, uint8_t slot, uint8_t func, uint8_t offset, uint32_t value);
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uint16_t pci_read16 (uint8_t bus, uint8_t slot, uint8_t func, uint8_t offset);
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void pci_write16 (uint8_t bus, uint8_t slot, uint8_t func, uint8_t offset, uint16_t value);
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uint8_t pci_read8 (uint8_t bus, uint8_t slot, uint8_t func, uint8_t offset);
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void pci_write8 (uint8_t bus, uint8_t slot, uint8_t func, uint8_t offset, uint8_t value);
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extern const struct pci_vendor pci_vendors[];
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extern const struct pci_device_id pci_device_names[];
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extern const struct pci_class pci_classes[];
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#endif // _KERNEL_DEVICE_PCI_H
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