pci_config.h

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#ifndef _PCI_CONFIG_H
#define _PCI_CONFIG_H

#include <pci_types.h>

#define PCI_DEVICE_ID           0x00, 16, 0xffff
#define PCI_VENDOR_ID           0x00,  0, 0xffff 
#define PCI_STATUS              0x04, 16, 0xffff
#define PCI_COMMAND             0x04,  0, 0xffff
#define PCI_CLASS_CODE          0x08, 24, 0x00ff
#define PCI_SUBCLASS            0x08, 16, 0x00ff
#define PCI_PROG_IF             0x08,  8, 0x00ff
#define PCI_REVISION_ID         0x08,  0, 0x00ff
#define PCI_BIST                0x0C, 24, 0x00ff
#define PCI_HEADER_TYPE         0x0C, 16, 0x00ff
#define PCI_LATENCY_TIMER       0x0C,  8, 0x00ff
#define PCI_CACHE_LINE_SIZE     0x0C,  0, 0x00ff
#define PCI_BAR0                0x10,  0, 0xffffffff
#define PCI_BAR1                0x14,  0, 0xffffffff
#define PCI_BAR2                0x18,  0, 0xffffffff
#define PCI_BAR3                0x1C,  0, 0xffffffff
#define PCI_BAR4                0x20,  0, 0xffffffff
#define PCI_BAR5                0x24,  0, 0xffffffff
#define PCI_CARDBUS_CIS_POINTER 0x28,  0, 0xffffffff
#define PCI_SUBSYS_ID           0x2C, 16, 0xffff 
#define PCI_SUBSYS_VENDOR_ID    0x2C,  0, 0xffff                
#define PCI_EXPROM_BAR          0x30,  0, 0xffffffff
#define PCI_CAP_POINTER         0x34,  0, 0x00ff
#define PCI_MAX_LATENCY         0x3c, 24, 0x00ff
#define PCI_MIN_GRANT           0x3c, 16, 0x00ff
#define PCI_INTERRUPT_PIN       0x3c,  8, 0x00ff
#define PCI_INTERRUPT_LINE      0x3c,  0, 0x00ff

uint32_t pci_read_register(uint8_t bus, uint8_t device, uint8_t func, uint8_t reg);

uint32_t pci_read_value(pci_function_p func, uint8_t reg, uint8_t offset, uint32_t mask);

uint32_t pci_write_register(uint8_t bus, uint8_t slot, uint8_t func, uint8_t reg, uint32_t value);

void pci_print_info( pci_function_p function);
void pci_print_detailed_info(pci_function_p func);      


#endif