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