WebSVN – HelenOS – 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 <ipc.h>
#include <errno.h>
 
#include "libpci/pci.h"
 
#define PCI_CONF1   0xcf8
#define PCI_CONF1_SIZE  8
 
#define NAME        "PCI"
 
int main(int argc, char *argv[])
{
    struct pci_access *pacc;
    struct pci_dev *dev;
    unsigned int c;
    char buf[80];
 
    int ipc_res;
    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));
    }
    pci_cleanup(pacc);            /* Close everything */
 
    printf("%s: registering at naming service.\n", NAME);
    if (ipc_connect_to_me(PHONE_NS, 40, 70, &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;
       
        callid = ipc_wait_for_call(&call, 0);
        ipc_answer(callid, EHANGUP, 0, 0);
    }
    return 0;
}
 

Rev 1335	Rev 1336
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	#include <ipc.h>	16	#include <ipc.h>
17	#include <errno.h>	17	#include <errno.h>
18		18
19	#include "libpci/pci.h"	19	#include "libpci/pci.h"
20		20
21	#define PCI_CONF1 0xcf8	21	#define PCI_CONF1 0xcf8
22	#define PCI_CONF1_SIZE 8	22	#define PCI_CONF1_SIZE 8
23		23
24	#define NAME "PCI"	24	#define NAME "PCI"
25		25
26	int main(int argc, char *argv[])	26	int main(int argc, char *argv[])
27	{	27	{
28	struct pci_access *pacc;	28	struct pci_access *pacc;
29	struct pci_dev *dev;	29	struct pci_dev *dev;
30	unsigned int c;	30	unsigned int c;
31	char buf[80];	31	char buf[80];
32		32
33	int ipc_res;	33	int ipc_res;
34	ipcarg_t ns_phone_addr;	34	ipcarg_t ns_in_phone_hash;
35		35
36	printf("%s: HelenOS PCI driver\n", NAME);	36	printf("%s: HelenOS PCI driver\n", NAME);
37		37
38	/*	38	/*
39	* Gain control over PCI configuration ports.	39	* Gain control over PCI configuration ports.
40	*/	40	*/
41	iospace_enable(task_get_id(), (void *) PCI_CONF1, PCI_CONF1_SIZE);	41	iospace_enable(task_get_id(), (void *) PCI_CONF1, PCI_CONF1_SIZE);
42		42
43	pacc = pci_alloc(); /* Get the pci_access structure */	43	pacc = pci_alloc(); /* Get the pci_access structure */
44	pci_init(pacc); /* Initialize the PCI library */	44	pci_init(pacc); /* Initialize the PCI library */
45	pci_scan_bus(pacc); /* We want to get the list of devices */	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 */	46	for(dev=pacc->devices; dev; dev=dev->next) { /* Iterate over all devices */
47	pci_fill_info(dev, PCI_FILL_IDENT \| PCI_FILL_BASES \| PCI_FILL_IRQ);	47	pci_fill_info(dev, PCI_FILL_IDENT \| PCI_FILL_BASES \| PCI_FILL_IRQ);
48	c = pci_read_word(dev, PCI_CLASS_DEVICE); /* Read config register directly */	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",	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,	50	dev->bus, dev->dev, dev->func, dev->vendor_id, dev->device_id,
51	c, dev->irq, dev->base_addr[0]);	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,	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));	53	dev->vendor_id, dev->device_id));
54	}	54	}
55	pci_cleanup(pacc); /* Close everything */	55	pci_cleanup(pacc); /* Close everything */
56		56
57	printf("%s: registering at naming service.\n", NAME);	57	printf("%s: registering at naming service.\n", NAME);
58	if (ipc_connect_to_me(PHONE_NS, 40, 70, &ns_phone_addr) != 0) {	58	if (ipc_connect_to_me(PHONE_NS, 40, 70, &ns_in_phone_hash) != 0) {
59	printf("Failed to register %s at naming service.\n", NAME);	59	printf("Failed to register %s at naming service.\n", NAME);
60	return -1;	60	return -1;
61	}	61	}
62		62
63	printf("%s: accepting connections\n", NAME);	63	printf("%s: accepting connections\n", NAME);
64	while (1) {	64	while (1) {
65	ipc_call_t call;	65	ipc_call_t call;
66	ipc_callid_t callid;	66	ipc_callid_t callid;
67		67
68	callid = ipc_wait_for_call(&call, 0);	68	callid = ipc_wait_for_call(&call, 0);
69	ipc_answer(callid, EHANGUP, 0, 0);	69	ipc_answer(callid, EHANGUP, 0, 0);
70	}	70	}
71	return 0;	71	return 0;
72	}	72	}
73		73

Subversion Repositories HelenOS

(root)/uspace/trunk/pci/pci.c @ 1343 – Rev 1335 → 1336