FreeBSD-5.3/usr.sbin/bluetooth/bcmfw/bcmfw.c
/*
* bcmfw.c
*
* Copyright (c) 2003 Maksim Yevmenkin <m_evmenkin@yahoo.com>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* $Id: bcmfw.c,v 1.4 2003/04/27 19:28:09 max Exp $
* $FreeBSD: src/usr.sbin/bluetooth/bcmfw/bcmfw.c,v 1.2 2004/06/25 23:14:06 imp Exp $
*
* Based on Linux BlueZ BlueFW-0.9 package
*
*/
#include <sys/types.h>
#include <sys/ioctl.h>
#include <dev/usb/usb.h>
#include <errno.h>
#include <fcntl.h>
#include <netgraph.h>
#include <stdarg.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <syslog.h>
#include <unistd.h>
#define BCMFW "bcmfw"
#define BCMFW_INTR_EP 1
#define BCMFW_BULK_EP 2
#define BCMFW_BSIZE 4096
#define USB_VENDOR_BROADCOM 0x0a5c
#define USB_PRODUCT_BROADCOM_BCM2033 0x2033
static int bcmfw_check_device
(char const *name);
static int bcmfw_load_firmware
(char const *name, char const *md, char const *fw);
static void bcmfw_usage
(void);
/*
* Main
*/
int
main(int argc, char *argv[])
{
char *name = NULL, *md = NULL, *fw = NULL;
int x;
while ((x = getopt(argc, argv, "f:hn:m:")) != -1) {
switch (x) {
case 'f': /* firmware file */
fw = optarg;
break;
case 'n': /* name */
name = optarg;
break;
case 'm': /* Mini-driver */
md = optarg;
break;
case 'h':
default:
bcmfw_usage();
/* NOT REACHED */
}
}
if (name == NULL || md == NULL || fw == NULL)
bcmfw_usage();
/* NOT REACHED */
openlog(BCMFW, LOG_NDELAY|LOG_PERROR|LOG_PID, LOG_USER);
if (bcmfw_check_device(name) < 0)
exit(1);
if (bcmfw_load_firmware(name, md, fw) < 0)
exit(1);
closelog();
return (0);
} /* main */
/*
* Check device VendorID/ProductID
*/
static int
bcmfw_check_device(char const *name)
{
usb_device_descriptor_t desc;
char path[BCMFW_BSIZE];
int fd = -1, error = -1;
snprintf(path, sizeof(path), "/dev/%s", name);
if ((fd = open(path, O_WRONLY)) < 0) {
syslog(LOG_ERR, "Could not open(%s). %s (%d)",
path, strerror(errno), errno);
goto out;
}
if (ioctl(fd, USB_GET_DEVICE_DESC, &desc) < 0) {
syslog(LOG_ERR, "Could not ioctl(%d, %ld, %p). %s (%d)",
fd, USB_GET_DEVICE_DESC, &desc,
strerror(errno), errno);
goto out;
}
if (UGETW(desc.idVendor) != USB_VENDOR_BROADCOM ||
UGETW(desc.idProduct) != USB_PRODUCT_BROADCOM_BCM2033) {
syslog(LOG_ERR, "Unsupported device, VendorID=%#x, " \
"ProductID=%#x", UGETW(desc.idVendor),
UGETW(desc.idProduct));
error = -1;
} else
error = 0;
out:
if (fd != -1)
close(fd);
return (error);
} /* bcmfw_check_device */
/*
* Download minidriver and firmware
*/
static int
bcmfw_load_firmware(char const *name, char const *md, char const *fw)
{
char buf[BCMFW_BSIZE];
int intr = -1, bulk = -1, fd = -1, error = -1, len;
/* Open interrupt endpoint device */
snprintf(buf, sizeof(buf), "/dev/%s.%d", name, BCMFW_INTR_EP);
if ((intr = open(buf, O_RDONLY)) < 0) {
syslog(LOG_ERR, "Could not open(%s). %s (%d)",
buf, strerror(errno), errno);
goto out;
}
/* Open bulk endpoint device */
snprintf(buf, sizeof(buf), "/dev/%s.%d", name, BCMFW_BULK_EP);
if ((bulk = open(buf, O_WRONLY)) < 0) {
syslog(LOG_ERR, "Could not open(%s). %s (%d)",
buf, strerror(errno), errno);
goto out;
}
/*
* Load mini-driver
*/
if ((fd = open(md, O_RDONLY)) < 0) {
syslog(LOG_ERR, "Could not open(%s). %s (%d)",
md, strerror(errno), errno);
goto out;
}
for (;;) {
len = read(fd, buf, sizeof(buf));
if (len < 0) {
syslog(LOG_ERR, "Could not read(%s). %s (%d)",
md, strerror(errno), errno);
goto out;
}
if (len == 0)
break;
len = write(bulk, buf, len);
if (len < 0) {
syslog(LOG_ERR, "Could not write(/dev/%s.%d). %s (%d)",
name, BCMFW_BULK_EP, strerror(errno),
errno);
goto out;
}
}
close(fd);
fd = -1;
usleep(10);
/*
* Memory select
*/
if (write(bulk, "#", 1) < 0) {
syslog(LOG_ERR, "Could not write(/dev/%s.%d). %s (%d)",
name, BCMFW_BULK_EP, strerror(errno), errno);
goto out;
}
if (read(intr, buf, sizeof(buf)) < 0) {
syslog(LOG_ERR, "Could not read(/dev/%s.%d). %s (%d)",
name, BCMFW_INTR_EP, strerror(errno), errno);
goto out;
}
if (buf[0] != '#') {
syslog(LOG_ERR, "%s: Memory select failed (%c)", name, buf[0]);
goto out;
}
/*
* Load firmware
*/
if ((fd = open(fw, O_RDONLY)) < 0) {
syslog(LOG_ERR, "Could not open(%s). %s (%d)",
fw, strerror(errno), errno);
goto out;
}
for (;;) {
len = read(fd, buf, sizeof(buf));
if (len < 0) {
syslog(LOG_ERR, "Could not read(%s). %s (%d)",
fw, strerror(errno), errno);
goto out;
}
if (len == 0)
break;
len = write(bulk, buf, len);
if (len < 0) {
syslog(LOG_ERR, "Could not write(/dev/%s.%d). %s (%d)",
name, BCMFW_BULK_EP, strerror(errno),
errno);
goto out;
}
}
close(fd);
fd = -1;
if (read(intr, buf, sizeof(buf)) < 0) {
syslog(LOG_ERR, "Could not read(/dev/%s.%d). %s (%d)",
name, BCMFW_INTR_EP, strerror(errno), errno);
goto out;
}
if (buf[0] != '.') {
syslog(LOG_ERR, "%s: Could not load firmware (%c)",
name, buf[0]);
goto out;
}
usleep(500000);
error = 0;
out:
if (fd != -1)
close(fd);
if (bulk != -1)
close(bulk);
if (intr != -1)
close(intr);
return (error);
} /* bcmfw_load_firmware */
/*
* Display usage message and quit
*/
static void
bcmfw_usage(void)
{
fprintf(stdout,
"Usage: %s -n name -m md_file -f fw_file\n"
"Where:\n" \
"\t-n name device name\n" \
"\t-m mini-driver image mini-driver image file name for download\n" \
"\t-f firmware image firmware image file name for download\n" \
"\t-h display this message\n", BCMFW);
exit(255);
} /* bcmfw_usage */