WebSVN – HelenOS-historic – Diff – /uspace/trunk/pci/pci.c


/*
 * 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 | 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));
    }
    pci_cleanup(pacc);            /* Close everything */
 
    return 0;
}
 

Subversion Repositories HelenOS-historic

(root)/uspace/trunk/pci/pci.c @ 1720 – Rev 1301 → 1324

Rev 1301		Rev 1324
1	/*	1	/*
2	* HelenOS PCI driver.	2	* HelenOS PCI driver.
3	*	3	*
4	* Copyright (C) 1997-2003 Martin Mares	4	* Copyright (C) 1997-2003 Martin Mares
5	* Copyright (C) 2006 Jakub Jermar	5	* Copyright (C) 2006 Jakub Jermar
6	*	6	*
7	* (Based on libpci example.c written by Martin Mares.)	7	* (Based on libpci example.c written by Martin Mares.)
8	*	8	*
9	* Can be freely distributed and used under the terms of the GNU GPL.	9	* Can be freely distributed and used under the terms of the GNU GPL.
10	*/	10	*/
11		11
12	#include <stdio.h>	12	#include <stdio.h>
13	#include <ddi.h>	13	#include <ddi.h>
14	#include <task.h>	14	#include <task.h>
15	#include <stdlib.h>	15	#include <stdlib.h>
16		16
17	#include "libpci/pci.h"	17	#include "libpci/pci.h"
18		18
19	#define PCI_CONF1 0xcf8	19	#define PCI_CONF1 0xcf8
20	#define PCI_CONF1_SIZE 8	20	#define PCI_CONF1_SIZE 8
21		21
22	int main(int argc, char *argv[])	22	int main(int argc, char *argv[])
23	{	23	{
24	struct pci_access *pacc;	24	struct pci_access *pacc;
25	struct pci_dev *dev;	25	struct pci_dev *dev;
26	unsigned int c;	26	unsigned int c;
27	char buf[80];	27	char buf[80];
28		28
29	printf("HelenOS PCI driver\n");	29	printf("HelenOS PCI driver\n");
30		30
31	/*	31	/*
32	* Gain control over PCI configuration ports.	32	* Gain control over PCI configuration ports.
33	*/	33	*/
34	iospace_enable(task_get_id(), (void *) PCI_CONF1, PCI_CONF1_SIZE);	34	iospace_enable(task_get_id(), (void *) PCI_CONF1, PCI_CONF1_SIZE);
35		35
36	pacc = pci_alloc(); /* Get the pci_access structure */	36	pacc = pci_alloc(); /* Get the pci_access structure */
37	pci_init(pacc); /* Initialize the PCI library */	37	pci_init(pacc); /* Initialize the PCI library */
38	pci_scan_bus(pacc); /* We want to get the list of devices */	38	pci_scan_bus(pacc); /* We want to get the list of devices */
39	for(dev=pacc->devices; dev; dev=dev->next) { /* Iterate over all devices */	39	for(dev=pacc->devices; dev; dev=dev->next) { /* Iterate over all devices */
40	pci_fill_info(dev, PCI_FILL_IDENT \| PCI_FILL_BASES); /* Fill in header info we need */	40	pci_fill_info(dev, PCI_FILL_IDENT \| PCI_FILL_BASES \| PCI_FILL_IRQ);
41	c = pci_read_word(dev, PCI_CLASS_DEVICE); /* Read config register directly */	41	c = pci_read_word(dev, PCI_CLASS_DEVICE); /* Read config register directly */
42	printf("%02x:%02x.%d vendor=%04x device=%04x class=%04x irq=%d base0=%lx\n",	42	printf("%02x:%02x.%d vendor=%04x device=%04x class=%04x irq=%d base0=%lx\n",
43	dev->bus, dev->dev, dev->func, dev->vendor_id, dev->device_id,	43	dev->bus, dev->dev, dev->func, dev->vendor_id, dev->device_id,
44	c, dev->irq, dev->base_addr[0]);	44	c, dev->irq, dev->base_addr[0]);
45	printf("\t%s\n", pci_lookup_name(pacc, buf, sizeof(buf), PCI_LOOKUP_VENDOR \| PCI_LOOKUP_DEVICE,	45	printf("\t%s\n", pci_lookup_name(pacc, buf, sizeof(buf), PCI_LOOKUP_VENDOR \| PCI_LOOKUP_DEVICE,
46	dev->vendor_id, dev->device_id));	46	dev->vendor_id, dev->device_id));
47	}	47	}
48	pci_cleanup(pacc); /* Close everything */	48	pci_cleanup(pacc); /* Close everything */
49		49
50	return 0;	50	return 0;
51	}	51	}
52		52