Subversion Repositories HelenOS

Rev

Rev 2619 | 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
 *
2471 jermar 4
 * (Based on public domain libpci example.c written by Martin Mares.)
2071 jermar 5
 * Copyright (c) 2006 Jakub Jermar
1181 jermar 6
 *
1301 jermar 7
 * Can be freely distributed and used under the terms of the GNU GPL.
1181 jermar 8
 */
9
 
1740 jermar 10
/**
11
 * @addtogroup pci
12
 * @{
13
 */
14
 
1181 jermar 15
#include <stdio.h>
16
#include <ddi.h>
17
#include <task.h>
18
#include <stdlib.h>
1353 jermar 19
#include <ipc/ipc.h>
20
#include <ipc/services.h>
1335 jermar 21
#include <errno.h>
1181 jermar 22
 
1301 jermar 23
#include "libpci/pci.h"
24
 
25
#define PCI_CONF1   0xcf8
26
#define PCI_CONF1_SIZE  8
27
 
1335 jermar 28
#define NAME        "PCI"
29
 
1343 jermar 30
static struct pci_access *pacc;
31
 
1181 jermar 32
int main(int argc, char *argv[])
33
{
1301 jermar 34
    struct pci_dev *dev;
35
    unsigned int c;
36
    char buf[80];
1336 jermar 37
    ipcarg_t ns_in_phone_hash;
1301 jermar 38
 
1335 jermar 39
    printf("%s: HelenOS PCI driver\n", NAME);
40
 
1301 jermar 41
    /*
42
     * Gain control over PCI configuration ports.
43
     */
44
    iospace_enable(task_get_id(), (void *) PCI_CONF1, PCI_CONF1_SIZE);
45
 
46
    pacc = pci_alloc();           /* Get the pci_access structure */
47
    pci_init(pacc);               /* Initialize the PCI library */
48
    pci_scan_bus(pacc);           /* We want to get the list of devices */
49
    for(dev=pacc->devices; dev; dev=dev->next) {   /* Iterate over all devices */
1324 jermar 50
        pci_fill_info(dev, PCI_FILL_IDENT | PCI_FILL_BASES | PCI_FILL_IRQ);
1301 jermar 51
        c = pci_read_word(dev, PCI_CLASS_DEVICE); /* Read config register directly */
52
        printf("%02x:%02x.%d vendor=%04x device=%04x class=%04x irq=%d base0=%lx\n",
53
            dev->bus, dev->dev, dev->func, dev->vendor_id, dev->device_id,
54
            c, dev->irq, dev->base_addr[0]);
55
        printf("\t%s\n", pci_lookup_name(pacc, buf, sizeof(buf), PCI_LOOKUP_VENDOR | PCI_LOOKUP_DEVICE,
56
            dev->vendor_id, dev->device_id));
57
    }
58
 
1335 jermar 59
    printf("%s: registering at naming service.\n", NAME);
2637 cejka 60
    if (ipc_connect_to_me(PHONE_NS, SERVICE_PCI, 0, 0, &ns_in_phone_hash) != 0) {
1335 jermar 61
        printf("Failed to register %s at naming service.\n", NAME);
62
        return -1;
63
    }
1343 jermar 64
 
1335 jermar 65
    printf("%s: accepting connections\n", NAME);
1343 jermar 66
    while (1) {    
1335 jermar 67
        ipc_call_t call;
68
        ipc_callid_t callid;
2619 jermar 69
        ipcarg_t retval = ENOTSUP;
1343 jermar 70
 
1365 jermar 71
        callid = ipc_wait_for_call(&call);
1343 jermar 72
        switch(IPC_GET_METHOD(call)) {
73
        case IPC_M_CONNECT_ME_TO:
2619 jermar 74
            retval = EOK;
1343 jermar 75
            break;
76
        }
2619 jermar 77
        ipc_answer_0(callid, retval);
78
        printf("%s: received call from %lX\n", NAME,
79
            call.in_phone_hash);
1335 jermar 80
    }
1343 jermar 81
 
82
    pci_cleanup(pacc);
1181 jermar 83
    return 0;
84
}
1740 jermar 85
 
86
/**
87
 * @}
88
 */