// pci_classes.c
// Author: Josh Holtrop
// Date: 07/21/05
// Modified: 07/21/05
// Had to be a C file because g++ doesn't like pci_classes declaration

#include "hos_defines.h"
#include "pci.h"

pci_class_t* pci_classes[] =
{
	(pci_class_t[]) {
		{1, 1, "Generic PCI VGA Device"},
		{0xFF, 0xFF, "Generic PCI Device"}
	},
	(pci_class_t[]) {
		{0, 0, "SCSI Controller"},
		{1, 0xFF, "IDE Controller"},
		{2, 0, "Floppy Disk Controller"},
		{3, 0, "IPI Controller"},
		{4, 0, "RAID Controller"},
		{0xFF, 0xFF, "Generic Mass Storage Controller"}
	},
	(pci_class_t[]) {
		{0, 0, "Ethernet Controller"},
		{1, 0, "Token Ring Network Controller"},
		{2, 0, "FDDI Controller"},
		{3, 0, "ATM Controller"},
		{0xFF, 0xFF, "Generic Network Controller"}
	},
	(pci_class_t[]) {
		{0, 0, "VGA Compatible Controller"},
		{0, 1, "8514 Compatible Display Controller"},
		{1, 0, "XGA Controller"},
		{0xFF, 0xFF, "Generic Display Controller"}
	},
	(pci_class_t[]) {
		{0, 0, "Multimedia Video Device"},
		{0, 0, "Multimedia Audio Device"},
		{0xFF, 0xFF, "Generic Multimedia Device"}
	},
	(pci_class_t[]) {
		{0, 0, "RAM Controller"},
		{1, 0, "Flash Memory Controller"},
		{0xFF, 0xFF, "Generic Memory Controller"}
	},
	(pci_class_t[]) {
		{0, 0, "Host/PCI Bridge"},
		{1, 0, "PCI/ISA Bridge"},
		{2, 0, "PCI/EISA Bridge"},
		{3, 0, "PCI/Micro Channel Bridge"},
		{4, 0, "PCI/PCI Bridge"},
		{5, 0, "PCI/PCMCIA Bridge"},
		{6, 0, "PCI/NuBus Bridge"},
		{7, 0, "PCI/CardBus Bridge"},
		{0xFF, 0xFF, "Generic Bridge"}
	},
	(pci_class_t[]) {
		{0, 0xFF, "Serial Controller"},
		{1, 0xFF, "Parallel Port"},
		{0xFF, 0xFF, "Generic Communications Device"}
	},
	(pci_class_t[]) {
		{0, 0xFF, "Programmable Interrupt Controller"},
		{1, 0xFF, "DMA Controller"},
		{2, 0xFF, "System Timer"},
		{3, 0xFF, "RTC Controller"},
		{0xFF, 0xFF, "Generic System Peripheral"}
	},
	(pci_class_t[]) {
		{0, 0, "Keyboard Controller"},
		{1, 0, "Digitizer (Pen)"},
		{2, 0, "Mouse Controller"},
		{0xFF, 0xFF, ""}
	},
	(pci_class_t[]) {
		{0xFF, 0xFF, "Docking Station"}
	},
	(pci_class_t[]) {
		{0, 0, "386 Processor"},
		{1, 0, "486 Processor"},
		{2, 0, "Pentium Processor"},
		{0x10, 0, "Alpha Processor"},
		{0x20, 0, "PowerPC Processor"},
		{0x40, 0, "Co-Processor"},
		{0xFF, 0xFF, "Generic Processor"}
	},
	(pci_class_t[]) {
		{0, 0, "Firewire (IEEE 1394) Controller"},
		{1, 0, "ACCESS Bus Controller"},
		{2, 0, "SSA (Serial Storage Architecture) Controller"},
		{3, 0, "USB Controller"},
		{0xFF, 0xFF, "Generic Serial Bus Controller"}
	}
};

char	*pci_getDeviceClass(u8_t cls, u8_t sub, u8_t progif)
{
	if (cls < sizeof(pci_classes)/sizeof(pci_class_t *))
	{
		pci_class_t *pcls = pci_classes[cls];
		for (;;)
		{
			if ( (pcls->subclass == 0xFF || pcls->subclass == sub)
			     && (pcls->progif == 0xFF || pcls->progif == progif) )
				return pcls->desc;
			pcls++;
		}
	}
	return "Unknown PCI Device";
}