~galfy/helenos/bird-port-mainline

/*

 * HelenOS PCI driver.

 *

 * (Based on public domain libpci example.c written by Martin Mares.)

 * Copyright (c) 2006 Jakub Jermar

 *

 * Can be freely distributed and used under the terms of the GNU GPL.

 */

 

/**

 * @addtogroup pci

 * @{

 */

 

#include <stdio.h>

#include <ddi.h>

#include <task.h>

#include <stdlib.h>

#include <ipc/ipc.h>

#include <ipc/services.h>

#include <errno.h>

 

#include "libpci/pci.h"

 

#define PCI_CONF1       0xcf8

#define PCI_CONF1_SIZE  8

 

#define NAME            "PCI"

 

static struct pci_access *pacc;

 

int main(int argc, char *argv[])

{

        struct pci_dev *dev;

        unsigned int c;

        char buf[80];

        ipcarg_t ns_in_phone_hash;

 

        printf("%s: HelenOS PCI driver\n", NAME);

 

        /*

         * 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 | PCI_FILL_IRQ);

                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));

        }

 

        printf("%s: registering at naming service.\n", NAME);

        if (ipc_connect_to_me(PHONE_NS, SERVICE_PCI, 0, 0, &ns_in_phone_hash) != 0) {

                printf("Failed to register %s at naming service.\n", NAME);

                return -1;

        }

 

        printf("%s: accepting connections\n", NAME);

        while (1) {             

                ipc_call_t call;

                ipc_callid_t callid;

                ipcarg_t retval = ENOTSUP;

 

                callid = ipc_wait_for_call(&call);

                switch(IPC_GET_METHOD(call)) {

                case IPC_M_CONNECT_ME_TO:

                        retval = EOK;

                        break;

                }

                ipc_answer_0(callid, retval);

                printf("%s: received call from %lX\n", NAME,

                    call.in_phone_hash);

        }

 

        pci_cleanup(pacc);

        return 0;

}

 

/**

 * @}

 */