Subversion Repositories HelenOS-historic

Rev

Rev 1336 | Rev 1353 | Go to most recent revision | Details | Compare with Previous | Last modification | View Log | RSS feed

Rev Author Line No. Line
1181 jermar 1
/*
1301 jermar 2
 * HelenOS PCI driver.
3
 *
4
 * Copyright (C) 1997-2003 Martin Mares
1181 jermar 5
 * Copyright (C) 2006 Jakub Jermar
6
 *
1301 jermar 7
 * (Based on libpci example.c written by Martin Mares.)
1181 jermar 8
 *
1301 jermar 9
 * Can be freely distributed and used under the terms of the GNU GPL.
1181 jermar 10
 */
11
 
12
#include <stdio.h>
13
#include <ddi.h>
14
#include <task.h>
15
#include <stdlib.h>
1335 jermar 16
#include <ipc.h>
1343 jermar 17
#include <services.h>
1335 jermar 18
#include <errno.h>
1181 jermar 19
 
1301 jermar 20
#include "libpci/pci.h"
21
 
22
#define PCI_CONF1   0xcf8
23
#define PCI_CONF1_SIZE  8
24
 
1335 jermar 25
#define NAME        "PCI"
26
 
1343 jermar 27
static struct pci_access *pacc;
28
 
1181 jermar 29
int main(int argc, char *argv[])
30
{
1301 jermar 31
    struct pci_dev *dev;
32
    unsigned int c;
33
    char buf[80];
1336 jermar 34
    ipcarg_t ns_in_phone_hash;
1301 jermar 35
 
1335 jermar 36
    printf("%s: HelenOS PCI driver\n", NAME);
37
 
1301 jermar 38
    /*
39
     * Gain control over PCI configuration ports.
40
     */
41
    iospace_enable(task_get_id(), (void *) PCI_CONF1, PCI_CONF1_SIZE);
42
 
43
    pacc = pci_alloc();           /* Get the pci_access structure */
44
    pci_init(pacc);               /* Initialize the PCI library */
45
    pci_scan_bus(pacc);           /* We want to get the list of devices */
46
    for(dev=pacc->devices; dev; dev=dev->next) {   /* Iterate over all devices */
1324 jermar 47
        pci_fill_info(dev, PCI_FILL_IDENT | PCI_FILL_BASES | PCI_FILL_IRQ);
1301 jermar 48
        c = pci_read_word(dev, PCI_CLASS_DEVICE); /* Read config register directly */
49
        printf("%02x:%02x.%d vendor=%04x device=%04x class=%04x irq=%d base0=%lx\n",
50
            dev->bus, dev->dev, dev->func, dev->vendor_id, dev->device_id,
51
            c, dev->irq, dev->base_addr[0]);
52
        printf("\t%s\n", pci_lookup_name(pacc, buf, sizeof(buf), PCI_LOOKUP_VENDOR | PCI_LOOKUP_DEVICE,
53
            dev->vendor_id, dev->device_id));
54
    }
55
 
1335 jermar 56
    printf("%s: registering at naming service.\n", NAME);
1343 jermar 57
    if (ipc_connect_to_me(PHONE_NS, SERVICE_PCI, 0, &ns_in_phone_hash) != 0) {
1335 jermar 58
        printf("Failed to register %s at naming service.\n", NAME);
59
        return -1;
60
    }
1343 jermar 61
 
1335 jermar 62
    printf("%s: accepting connections\n", NAME);
1343 jermar 63
    while (1) {    
1335 jermar 64
        ipc_call_t call;
65
        ipc_callid_t callid;
1343 jermar 66
        int retval;
67
 
1335 jermar 68
        callid = ipc_wait_for_call(&call, 0);
1343 jermar 69
        switch(IPC_GET_METHOD(call)) {
70
        case IPC_M_CONNECT_ME_TO:
71
            IPC_SET_RETVAL(call, 0);
72
            break;
73
        }
74
        if (! (callid & IPC_CALLID_NOTIFICATION)) {
75
            ipc_answer(callid, &call);
76
        }
77
        printf("%s: received call from %lX\n", NAME, call.in_phone_hash);
1335 jermar 78
    }
1343 jermar 79
 
80
    pci_cleanup(pacc);
1181 jermar 81
    return 0;
82
}