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/*
*
* BlueZ - Bluetooth protocol stack for Linux
*
* Copyright (C) 2001-2002 Maxim Krasnyansky <maxk@qualcomm.com>
* Copyright (C) 2003-2004 Marcel Holtmann <marcel@holtmann.org>
*
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation;
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT OF THIRD PARTY RIGHTS.
* IN NO EVENT SHALL THE COPYRIGHT HOLDER(S) AND AUTHOR(S) BE LIABLE FOR ANY
* CLAIM, OR ANY SPECIAL INDIRECT OR CONSEQUENTIAL DAMAGES, OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*
* ALL LIABILITY, INCLUDING LIABILITY FOR INFRINGEMENT OF ANY PATENTS,
* COPYRIGHTS, TRADEMARKS OR OTHER RIGHTS, RELATING TO USE OF THIS
* SOFTWARE IS DISCLAIMED.
*
*
* $Id$
*/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include <stdio.h>
#include <errno.h>
#include <fcntl.h>
#include <stdlib.h>
#include <string.h>
#include <syslog.h>
#include <usb.h>
#ifdef NEED_USB_GET_BUSSES
static inline struct usb_bus *usb_get_busses(void)
{
return usb_busses;
}
#endif
#ifdef NEED_USB_INTERRUPT_READ
static inline int usb_interrupt_read(usb_dev_handle *dev, int ep, char *bytes, int size, int timeout)
{
return usb_bulk_read(dev, ep, bytes, size, timeout);
}
#endif
static char *fw_path = "/lib/firmware";
static int load_file(struct usb_dev_handle *udev, char *filename)
{
unsigned char buf[4096];
int fd, err, len;
fd = open(filename, O_RDONLY);
if (fd < 0) {
syslog(LOG_ERR, "Can't open file %s", filename);
return fd;
}
while (1) {
len = read(fd, buf, sizeof(buf));
if (len < 0) {
syslog(LOG_ERR, "Can't read from file %s", filename);
close(fd);
return len;
}
if (len == 0)
break;
err = usb_bulk_write(udev, 0x02, buf, len, 100000);
if (err < 0) {
syslog(LOG_ERR, "Can't write bulk data packet");
close(fd);
return err;
}
if (err != len) {
syslog(LOG_ERR, "Partial bulk packet written");
close(fd);
return -EIO;
}
}
close(fd);
return 0;
}
static void load_firmware(struct usb_device *dev)
{
struct usb_dev_handle *udev;
char filename[PATH_MAX + 1];
unsigned char buf[16];
udev = usb_open(dev);
if (!udev) {
syslog(LOG_ERR, "Can't open USB device %s/%s",
dev->bus->dirname, dev->filename);
return;
}
if (usb_claim_interface(udev, 0) < 0) {
usb_close(udev);
return;
}
syslog(LOG_INFO, "Loading firmware to device %s/%s",
dev->bus->dirname, dev->filename);
snprintf(filename, PATH_MAX, "%s/%s", fw_path, "BCM2033-MD.hex");
if (load_file(udev, filename) < 0)
goto done;
usleep(10);
if (usb_bulk_write(udev, 0x02, "#", 1, 1000) < 0) {
syslog(LOG_ERR, "Can't write bulk transfer");
goto done;
}
memset(buf, 0, sizeof(buf));
if (usb_interrupt_read(udev, 0x81, buf, 16, 1000) < 0) {
syslog(LOG_ERR, "Can't read interrupt transfer");
goto done;
}
if (buf[0] != '#') {
syslog(LOG_ERR, "Memory select failed with '%c'", buf[0]);
goto done;
}
snprintf(filename, PATH_MAX, "%s/%s", fw_path, "BCM2033-FW.bin");
if (load_file(udev, filename) < 0)
goto done;
memset(buf, 0, sizeof(buf));
if (usb_interrupt_read(udev, 0x81, buf, 16, 1000) < 0) {
syslog(LOG_ERR, "Can't read interrupt transfer");
goto done;
}
if (buf[0] == '.') {
syslog(LOG_INFO, "Firmware loaded successful to device %s/%s",
dev->bus->dirname, dev->filename);
} else {
syslog(LOG_ERR, "Firmware loading failed with '%c'", buf[0]);
goto done;
}
usleep(500000);
done:
sleep(1);
usb_release_interface(udev, 0);
usb_close(udev);
}
int main(int argc, char *argv[])
{
struct usb_bus *bus;
struct usb_device *dev;
char *action, *device, *busname, *devname;
action = getenv("ACTION");
device = getenv("DEVICE");
if (!action || (strcmp(action, "add") && strcmp(action, "register")))
exit(0);
openlog("bcm203x", LOG_NDELAY | LOG_PID, LOG_DAEMON);
if (!device || strncmp(device, "/proc/bus/usb/", 14)) {
syslog(LOG_ERR, "Unknown device path %s", device);
closelog();
exit(1);
}
busname = strtok(device + 14, "/");
devname = strtok(NULL, "/");
usb_init();
usb_find_busses();
usb_find_devices();
for (bus = usb_get_busses(); bus; bus = bus->next)
for (dev = bus->devices; dev; dev = dev->next)
if (!strcmp(bus->dirname, busname) &&
!strcmp(dev->filename, devname)) {
load_firmware(dev);
break;
}
closelog();
return 0;
}
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