/*
* HelenOS PCI driver.
*
* Copyright (C) 1997-2003 Martin Mares
* Copyright (C) 2006 Jakub Jermar
*
* (Based on libpci example.c written by Martin Mares.)
*
* Can be freely distributed and used under the terms of the GNU GPL.
*/
#include <stdio.h>
#include <ddi.h>
#include <task.h>
#include <stdlib.h>
#include "libpci/pci.h"
#define PCI_CONF1 0xcf8
#define PCI_CONF1_SIZE 8
int main(int argc, char *argv[])
{
struct pci_access *pacc;
struct pci_dev *dev;
unsigned int c;
char buf[80];
printf("HelenOS PCI driver\n");
/*
* Gain control over PCI configuration ports.
*/
iospace_enable(task_get_id(), (void *) PCI_CONF1, PCI_CONF1_SIZE);
pacc = pci_alloc(); /* Get the pci_access structure */
pci_init(pacc); /* Initialize the PCI library */
pci_scan_bus(pacc); /* We want to get the list of devices */
for(dev=pacc->devices; dev; dev=dev->next) { /* Iterate over all devices */
pci_fill_info(dev, PCI_FILL_IDENT | PCI_FILL_BASES); /* Fill in header info we need */
c = pci_read_word(dev, PCI_CLASS_DEVICE); /* Read config register directly */
printf("%02x:%02x.%d vendor=%04x device=%04x class=%04x irq=%d base0=%lx\n", dev->bus, dev->dev, dev->func, dev->vendor_id, dev->device_id,
c, dev->irq, dev->base_addr[0]);
printf("\t%s\n", pci_lookup_name
(pacc
, buf
, sizeof(buf
), PCI_LOOKUP_VENDOR
| PCI_LOOKUP_DEVICE
, dev->vendor_id, dev->device_id));
}
pci_cleanup(pacc); /* Close everything */
return 0;
}