some big renames into subdirs of aspects

updated README
removed size_t in sys/types.h and sys/types.h itself, size_t is in stddef.h

1 files changed, 49 insertions, 0 deletions

diff --git a/src/hardware/pci.h b/src/hardware/pci.h
new file mode 100644
index 0000000..ddbc990
--- /dev/null
+++ b/src/hardware/pci.h
@@ -0,0 +1,49 @@
+#ifndef PCI_H
+#define PCI_H
+
+#include <stdbool.h>
+
+#include "port.h"
+#include "interrupts.h"
+#include "driver.h"
+
+typedef struct {
+	uint16_t vendor_id;
+	uint16_t device_id;
+	uint8_t class_id;
+	uint8_t subclass_id;
+	uint8_t interface_id;
+	uint8_t revision_id;
+	uint32_t port_base;
+} pci_device_descriptor_t;
+
+typedef struct {
+	port32_t command_port;
+	port32_t data_port;
+} pci_controller_t;
+
+typedef enum {
+	BASE_ADDRESS_REGISTER_TYPE_IO,
+	BASE_ADDRESS_REGISTER_TYPE_MEMORY_MAPPED
+} pci_base_address_register_type_t;
+
+typedef struct {
+	pci_base_address_register_type_t type;
+	bool prefetchable;
+	uint8_t *addr;
+	uint32_t *size;
+} pci_base_address_register_t;
+
+void pci_controller_init( pci_controller_t *controller );
+
+uint16_t pci_controller_read( pci_controller_t *controller, uint16_t bus, uint16_t device, uint16_t function, uint32_t offset );
+void pci_controller_write( pci_controller_t *controller, uint16_t bus, uint16_t device, uint16_t function, uint32_t offset, uint32_t data );
+void pci_controller_scan_and_register( pci_controller_t *controller, driver_manager_t *driver_manager, interrupt_t *interrupt );
+
+void pci_device_descriptor_init( pci_device_descriptor_t *descriptor, pci_controller_t *controller, uint16_t bus, uint16_t device, uint16_t function );
+
+void pci_base_address_register_init( pci_base_address_register_t *base_address_register, pci_controller_t *controller, uint16_t bus, uint16_t device, uint16_t function, uint16_t bar );
+
+driver_t *pci_device_get_driver( pci_device_descriptor_t *descriptor, interrupt_t *interrupt );
+
+#endif // PCI_H