Subversion Repositories HelenOS

/*

 * 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;

}