freebsd-dev/usr.sbin/bluetooth/bcmfw/bcmfw.c
Julian Elischer 4eb513dacc Broadcom firmware loading module.. The actual firmware files will follow when
the legal status has been confirmed, in the meanwhile they can be
downloaded from the location in the README file.
2003-05-10 22:03:45 +00:00

306 lines
6.6 KiB
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 $
* $FreeBSD$
*
* Based on Linux BlueZ BlueFW-0.9 package
*
*/
#include <sys/types.h>
#include <sys/ioctl.h>
#include <dev/usb/usb.h>
#include <dev/usb/usbdevs.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
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) != 0x2033) {
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 */