2023-04-25 15:13:09 +00:00
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// This file is part of noxos and licensed under the MIT open source license
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2023-04-22 01:28:42 +00:00
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2023-04-22 09:10:58 +00:00
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#ifndef NOXOS_PCI_H
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#define NOXOS_PCI_H
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2023-04-22 01:28:42 +00:00
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2023-04-25 15:13:09 +00:00
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#include "utils/stdtypes.h"
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#include "utils/string.h"
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2023-04-22 01:28:42 +00:00
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2023-04-25 15:13:09 +00:00
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typedef struct {
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uint16_t vendor_id;
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uint16_t device_id;
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uint16_t command_reg;
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uint16_t status_reg;
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uint8_t revision_id;
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uint8_t progif; // Programming Interface Byte
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uint8_t subclass;
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uint8_t main_class;
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uint8_t cache_line_size;
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uint8_t latency_timer;
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uint8_t header_type;
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uint8_t bist; // Built-in Self-Test
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} __attribute__((packed)) pci_device_header_T;
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2023-04-22 01:28:42 +00:00
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2023-04-25 15:13:09 +00:00
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typedef struct {
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pci_device_header_T 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 cardbus_cis_pointer;
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uint16_t subsystem_vendor_id;
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uint16_t subsystem_id;
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uint32_t expansion_rom_base_address;
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uint8_t capabilities;
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uint8_t reserved[7];
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uint8_t interrupt_line;
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uint8_t interrupt_pin;
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uint8_t min_grant;
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uint8_t max_latency;
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} __attribute__((packed)) pci_header_0_T;
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void pci_init ();
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string_t pci_get_vendor_string (uint16_t vendor_id);
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string_t pci_get_device_string (uint16_t device_id);
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#endif // NOXOS_PCI_H
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