1 /*- 2 * bcmfw.c 3 * 4 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD 5 * 6 * Copyright (c) 2003 Maksim Yevmenkin <m_evmenkin@yahoo.com> 7 * All rights reserved. 8 * 9 * Redistribution and use in source and binary forms, with or without 10 * modification, are permitted provided that the following conditions 11 * are met: 12 * 1. Redistributions of source code must retain the above copyright 13 * notice, this list of conditions and the following disclaimer. 14 * 2. Redistributions in binary form must reproduce the above copyright 15 * notice, this list of conditions and the following disclaimer in the 16 * documentation and/or other materials provided with the distribution. 17 * 18 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 19 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 20 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 21 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 22 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 23 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 24 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 25 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 26 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 27 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 28 * SUCH DAMAGE. 29 * 30 * $Id: bcmfw.c,v 1.4 2003/04/27 19:28:09 max Exp $ 31 * $FreeBSD$ 32 * 33 * Based on Linux BlueZ BlueFW-0.9 package 34 * 35 */ 36 37 #include <sys/types.h> 38 #include <sys/ioctl.h> 39 #include <dev/usb/usb.h> 40 #include <dev/usb/usb_ioctl.h> 41 #include <errno.h> 42 #include <fcntl.h> 43 #include <netgraph.h> 44 #include <stdarg.h> 45 #include <stdio.h> 46 #include <stdlib.h> 47 #include <string.h> 48 #include <syslog.h> 49 #include <unistd.h> 50 51 #define BCMFW "bcmfw" 52 #define BCMFW_INTR_EP 1 53 #define BCMFW_BULK_EP 2 54 #define BCMFW_BSIZE 4096 55 56 #define USB_VENDOR_BROADCOM 0x0a5c 57 #define USB_PRODUCT_BROADCOM_BCM2033 0x2033 58 59 static int bcmfw_check_device 60 (char const *name); 61 static int bcmfw_load_firmware 62 (char const *name, char const *md, char const *fw); 63 static void bcmfw_usage 64 (void); 65 66 /* 67 * Main 68 */ 69 70 int 71 main(int argc, char *argv[]) 72 { 73 char *name = NULL, *md = NULL, *fw = NULL; 74 int x; 75 76 while ((x = getopt(argc, argv, "f:hn:m:")) != -1) { 77 switch (x) { 78 case 'f': /* firmware file */ 79 fw = optarg; 80 break; 81 82 case 'n': /* name */ 83 name = optarg; 84 break; 85 86 case 'm': /* Mini-driver */ 87 md = optarg; 88 break; 89 90 case 'h': 91 default: 92 bcmfw_usage(); 93 /* NOT REACHED */ 94 } 95 } 96 97 if (name == NULL || md == NULL || fw == NULL) 98 bcmfw_usage(); 99 /* NOT REACHED */ 100 101 openlog(BCMFW, LOG_NDELAY|LOG_PERROR|LOG_PID, LOG_USER); 102 103 if (bcmfw_check_device(name) < 0) 104 exit(1); 105 106 if (bcmfw_load_firmware(name, md, fw) < 0) 107 exit(1); 108 109 closelog(); 110 111 return (0); 112 } /* main */ 113 114 /* 115 * Check device VendorID/ProductID 116 */ 117 118 static int 119 bcmfw_check_device(char const *name) 120 { 121 usb_device_descriptor_t desc; 122 char path[BCMFW_BSIZE]; 123 int fd = -1, error = -1; 124 125 snprintf(path, sizeof(path), "/dev/%s", name); 126 127 if ((fd = open(path, O_WRONLY)) < 0) { 128 syslog(LOG_ERR, "Could not open(%s). %s (%d)", 129 path, strerror(errno), errno); 130 goto out; 131 } 132 133 if (ioctl(fd, USB_GET_DEVICE_DESC, &desc) < 0) { 134 syslog(LOG_ERR, "Could not ioctl(%d, %ld, %p). %s (%d)", 135 fd, USB_GET_DEVICE_DESC, &desc, 136 strerror(errno), errno); 137 goto out; 138 } 139 140 if (UGETW(desc.idVendor) != USB_VENDOR_BROADCOM || 141 UGETW(desc.idProduct) != USB_PRODUCT_BROADCOM_BCM2033) { 142 syslog(LOG_ERR, "Unsupported device, VendorID=%#x, " \ 143 "ProductID=%#x", UGETW(desc.idVendor), 144 UGETW(desc.idProduct)); 145 error = -1; 146 } else 147 error = 0; 148 out: 149 if (fd != -1) 150 close(fd); 151 152 return (error); 153 } /* bcmfw_check_device */ 154 155 /* 156 * Download minidriver and firmware 157 */ 158 159 static int 160 bcmfw_load_firmware(char const *name, char const *md, char const *fw) 161 { 162 char buf[BCMFW_BSIZE]; 163 int intr = -1, bulk = -1, fd = -1, error = -1, len; 164 165 /* Open interrupt endpoint device */ 166 snprintf(buf, sizeof(buf), "/dev/%s.%d", name, BCMFW_INTR_EP); 167 if ((intr = open(buf, O_RDONLY)) < 0) { 168 syslog(LOG_ERR, "Could not open(%s). %s (%d)", 169 buf, strerror(errno), errno); 170 goto out; 171 } 172 173 /* Open bulk endpoint device */ 174 snprintf(buf, sizeof(buf), "/dev/%s.%d", name, BCMFW_BULK_EP); 175 if ((bulk = open(buf, O_WRONLY)) < 0) { 176 syslog(LOG_ERR, "Could not open(%s). %s (%d)", 177 buf, strerror(errno), errno); 178 goto out; 179 } 180 181 /* 182 * Load mini-driver 183 */ 184 185 if ((fd = open(md, O_RDONLY)) < 0) { 186 syslog(LOG_ERR, "Could not open(%s). %s (%d)", 187 md, strerror(errno), errno); 188 goto out; 189 } 190 191 for (;;) { 192 len = read(fd, buf, sizeof(buf)); 193 if (len < 0) { 194 syslog(LOG_ERR, "Could not read(%s). %s (%d)", 195 md, strerror(errno), errno); 196 goto out; 197 } 198 if (len == 0) 199 break; 200 201 len = write(bulk, buf, len); 202 if (len < 0) { 203 syslog(LOG_ERR, "Could not write(/dev/%s.%d). %s (%d)", 204 name, BCMFW_BULK_EP, strerror(errno), 205 errno); 206 goto out; 207 } 208 } 209 210 close(fd); 211 fd = -1; 212 213 usleep(10); 214 215 /* 216 * Memory select 217 */ 218 219 if (write(bulk, "#", 1) < 0) { 220 syslog(LOG_ERR, "Could not write(/dev/%s.%d). %s (%d)", 221 name, BCMFW_BULK_EP, strerror(errno), errno); 222 goto out; 223 } 224 225 if (read(intr, buf, sizeof(buf)) < 0) { 226 syslog(LOG_ERR, "Could not read(/dev/%s.%d). %s (%d)", 227 name, BCMFW_INTR_EP, strerror(errno), errno); 228 goto out; 229 } 230 231 if (buf[0] != '#') { 232 syslog(LOG_ERR, "%s: Memory select failed (%c)", name, buf[0]); 233 goto out; 234 } 235 236 /* 237 * Load firmware 238 */ 239 240 if ((fd = open(fw, O_RDONLY)) < 0) { 241 syslog(LOG_ERR, "Could not open(%s). %s (%d)", 242 fw, strerror(errno), errno); 243 goto out; 244 } 245 246 for (;;) { 247 len = read(fd, buf, sizeof(buf)); 248 if (len < 0) { 249 syslog(LOG_ERR, "Could not read(%s). %s (%d)", 250 fw, strerror(errno), errno); 251 goto out; 252 } 253 if (len == 0) 254 break; 255 256 len = write(bulk, buf, len); 257 if (len < 0) { 258 syslog(LOG_ERR, "Could not write(/dev/%s.%d). %s (%d)", 259 name, BCMFW_BULK_EP, strerror(errno), 260 errno); 261 goto out; 262 } 263 } 264 265 close(fd); 266 fd = -1; 267 268 if (read(intr, buf, sizeof(buf)) < 0) { 269 syslog(LOG_ERR, "Could not read(/dev/%s.%d). %s (%d)", 270 name, BCMFW_INTR_EP, strerror(errno), errno); 271 goto out; 272 } 273 274 if (buf[0] != '.') { 275 syslog(LOG_ERR, "%s: Could not load firmware (%c)", 276 name, buf[0]); 277 goto out; 278 } 279 280 usleep(500000); 281 error = 0; 282 out: 283 if (fd != -1) 284 close(fd); 285 if (bulk != -1) 286 close(bulk); 287 if (intr != -1) 288 close(intr); 289 290 return (error); 291 } /* bcmfw_load_firmware */ 292 293 /* 294 * Display usage message and quit 295 */ 296 297 static void 298 bcmfw_usage(void) 299 { 300 fprintf(stdout, 301 "Usage: %s -n name -m md_file -f fw_file\n" 302 "Where:\n" \ 303 "\t-n name device name\n" \ 304 "\t-m mini-driver image mini-driver image file name for download\n" \ 305 "\t-f firmware image firmware image file name for download\n" \ 306 "\t-h display this message\n", BCMFW); 307 308 exit(255); 309 } /* bcmfw_usage */ 310 311