#include <pciaccess.h>
#include "radeondemo.h"
#include "radeon.h"

static char *family_strings[] = {"Unknown", "legacy", "radeon",
				 "rv100", "rs100", "rv200", "rs200",
				 "r200", "rv250", "rv280", "rs300",
				 "r300", "r350",
				 "rv350", "rv380", "r420", "rv410", "rs400",
				 "rs480", "rv515", "r520", "rv530", "r580",
				 "rv560", "rv570", "rs600", "rs690", "rs740",
				 "r600", "r630", "rv610", "rv630", "rv670",
				 "rv620", "rv635", "rs780", "rs880",
				 "rv770", "rv730", "rv710", "rv740",
				 "cedar", "redwood", "juniper",
				 "cypress", "hemlock",
				 "palm",
				 "barts", "turks", "caicos" };

int radeon_detect(struct radeon *radeon)
{
	struct pci_slot_match match;
	struct pci_device_iterator *iter;
	struct pci_device *device;
	int i = 0;
	RADEONCardInfo *card_info = NULL;

	if (pci_system_init() != 0)
		return -1;

	match.domain = PCI_MATCH_ANY;
	match.bus = PCI_MATCH_ANY;
	match.dev = PCI_MATCH_ANY;
	
	match.func = 0;
	match.match_data = 0;
	iter = pci_slot_match_iterator_create(&match);

	while ((device = pci_device_next(iter))) {
		pci_device_probe(device);
		if (device->vendor_id == 0x1002 &&
		    (((device->device_class & 0x00ffff00) == 0x00030000) ||
		     ((device->device_class & 0x00ffff00) == 0x00038000))) {
			for (i = 0; i < sizeof(RADEONCards) / sizeof(RADEONCardInfo); i++) {
				if (RADEONCards[i].pci_device_id == device->device_id) {
					card_info = &RADEONCards[i];
				}
			}
		}
		if (card_info)
			break;
	}

	if (!card_info)
		return -1;

	radeon->cardinfo = card_info;
	radeon->pci_device = device;

	return 0;
}