43 lines
1.2 KiB
C
43 lines
1.2 KiB
C
#include <KernelExport.h>
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#ifdef __cplusplus
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extern "C" {
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#endif
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status_t pci_config_init(void);
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uint32 pci_read_config(uint8 bus, uint8 device, uint8 function, uint8 offset, uint8 size);
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void pci_write_config(uint8 bus, uint8 device, uint8 function, uint8 offset, uint8 size, uint32 value);
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void * pci_ram_address(const void *physical_address_in_system_memory);
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status_t pci_io_init(void);
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uint8 pci_read_io_8(int mapped_io_addr);
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void pci_write_io_8(int mapped_io_addr, uint8 value);
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uint16 pci_read_io_16(int mapped_io_addr);
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void pci_write_io_16(int mapped_io_addr, uint16 value);
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uint32 pci_read_io_32(int mapped_io_addr);
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void pci_write_io_32(int mapped_io_addr, uint32 value);
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status_t pci_irq_init(void);
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uint8 pci_read_irq(uint8 bus, uint8 device, uint8 function, uint8 pin);
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void pci_write_irq(uint8 bus, uint8 device, uint8 function, uint8 pin, uint8 irq);
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extern spinlock gConfigLock;
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extern int gMaxBusDevices;
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extern bool gIrqRouterAvailable;
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#define PCI_LOCK_CONFIG(cpu_status) \
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{ \
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cpu_status = disable_interrupts(); \
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acquire_spinlock(&gConfigLock); \
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}
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#define PCI_UNLOCK_CONFIG(cpu_status) \
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{ \
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release_spinlock(&gConfigLock); \
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restore_interrupts(cpu_status); \
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}
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#ifdef __cplusplus
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}
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#endif
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