1 /*- 2 * bcmfw.c 3 * 4 * SPDX-License-Identifier: BSD-2-Clause 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 * 32 * Based on Linux BlueZ BlueFW-0.9 package 33 * 34 */ 35 36 #include <sys/types.h> 37 #include <sys/ioctl.h> 38 #include <dev/usb/usb.h> 39 #include <dev/usb/usb_ioctl.h> 40 #include <errno.h> 41 #include <fcntl.h> 42 #include <netgraph.h> 43 #include <stdarg.h> 44 #include <stdio.h> 45 #include <stdlib.h> 46 #include <string.h> 47 #include <syslog.h> 48 #include <unistd.h> 49 50 #define BCMFW "bcmfw" 51 #define BCMFW_INTR_EP 1 52 #define BCMFW_BULK_EP 2 53 #define BCMFW_BSIZE 4096 54 55 #define USB_VENDOR_BROADCOM 0x0a5c 56 #define USB_PRODUCT_BROADCOM_BCM2033 0x2033 57 58 static int bcmfw_check_device 59 (char const *name); 60 static int bcmfw_load_firmware 61 (char const *name, char const *md, char const *fw); 62 static void bcmfw_usage 63 (void); 64 65 /* 66 * Main 67 */ 68 69 int 70 main(int argc, char *argv[]) 71 { 72 char *name = NULL, *md = NULL, *fw = NULL; 73 int x; 74 75 while ((x = getopt(argc, argv, "f:hn:m:")) != -1) { 76 switch (x) { 77 case 'f': /* firmware file */ 78 fw = optarg; 79 break; 80 81 case 'n': /* name */ 82 name = optarg; 83 break; 84 85 case 'm': /* Mini-driver */ 86 md = optarg; 87 break; 88 89 case 'h': 90 default: 91 bcmfw_usage(); 92 /* NOT REACHED */ 93 } 94 } 95 96 if (name == NULL || md == NULL || fw == NULL) 97 bcmfw_usage(); 98 /* NOT REACHED */ 99 100 openlog(BCMFW, LOG_NDELAY|LOG_PERROR|LOG_PID, LOG_USER); 101 102 if (bcmfw_check_device(name) < 0) 103 exit(1); 104 105 if (bcmfw_load_firmware(name, md, fw) < 0) 106 exit(1); 107 108 closelog(); 109 110 return (0); 111 } /* main */ 112 113 /* 114 * Check device VendorID/ProductID 115 */ 116 117 static int 118 bcmfw_check_device(char const *name) 119 { 120 usb_device_descriptor_t desc; 121 char path[BCMFW_BSIZE]; 122 int fd = -1, error = -1; 123 124 snprintf(path, sizeof(path), "/dev/%s", name); 125 126 if ((fd = open(path, O_WRONLY)) < 0) { 127 syslog(LOG_ERR, "Could not open(%s). %s (%d)", 128 path, strerror(errno), errno); 129 goto out; 130 } 131 132 if (ioctl(fd, USB_GET_DEVICE_DESC, &desc) < 0) { 133 syslog(LOG_ERR, "Could not ioctl(%d, %ld, %p). %s (%d)", 134 fd, USB_GET_DEVICE_DESC, &desc, 135 strerror(errno), errno); 136 goto out; 137 } 138 139 if (UGETW(desc.idVendor) != USB_VENDOR_BROADCOM || 140 UGETW(desc.idProduct) != USB_PRODUCT_BROADCOM_BCM2033) { 141 syslog(LOG_ERR, "Unsupported device, VendorID=%#x, " \ 142 "ProductID=%#x", UGETW(desc.idVendor), 143 UGETW(desc.idProduct)); 144 error = -1; 145 } else 146 error = 0; 147 out: 148 if (fd != -1) 149 close(fd); 150 151 return (error); 152 } /* bcmfw_check_device */ 153 154 /* 155 * Download minidriver and firmware 156 */ 157 158 static int 159 bcmfw_load_firmware(char const *name, char const *md, char const *fw) 160 { 161 char buf[BCMFW_BSIZE]; 162 int intr = -1, bulk = -1, fd = -1, error = -1, len; 163 164 /* Open interrupt endpoint device */ 165 snprintf(buf, sizeof(buf), "/dev/%s.%d", name, BCMFW_INTR_EP); 166 if ((intr = open(buf, O_RDONLY)) < 0) { 167 syslog(LOG_ERR, "Could not open(%s). %s (%d)", 168 buf, strerror(errno), errno); 169 goto out; 170 } 171 172 /* Open bulk endpoint device */ 173 snprintf(buf, sizeof(buf), "/dev/%s.%d", name, BCMFW_BULK_EP); 174 if ((bulk = open(buf, O_WRONLY)) < 0) { 175 syslog(LOG_ERR, "Could not open(%s). %s (%d)", 176 buf, strerror(errno), errno); 177 goto out; 178 } 179 180 /* 181 * Load mini-driver 182 */ 183 184 if ((fd = open(md, O_RDONLY)) < 0) { 185 syslog(LOG_ERR, "Could not open(%s). %s (%d)", 186 md, strerror(errno), errno); 187 goto out; 188 } 189 190 for (;;) { 191 len = read(fd, buf, sizeof(buf)); 192 if (len < 0) { 193 syslog(LOG_ERR, "Could not read(%s). %s (%d)", 194 md, strerror(errno), errno); 195 goto out; 196 } 197 if (len == 0) 198 break; 199 200 len = write(bulk, buf, len); 201 if (len < 0) { 202 syslog(LOG_ERR, "Could not write(/dev/%s.%d). %s (%d)", 203 name, BCMFW_BULK_EP, strerror(errno), 204 errno); 205 goto out; 206 } 207 } 208 209 close(fd); 210 fd = -1; 211 212 usleep(10); 213 214 /* 215 * Memory select 216 */ 217 218 if (write(bulk, "#", 1) < 0) { 219 syslog(LOG_ERR, "Could not write(/dev/%s.%d). %s (%d)", 220 name, BCMFW_BULK_EP, strerror(errno), errno); 221 goto out; 222 } 223 224 if (read(intr, buf, sizeof(buf)) < 0) { 225 syslog(LOG_ERR, "Could not read(/dev/%s.%d). %s (%d)", 226 name, BCMFW_INTR_EP, strerror(errno), errno); 227 goto out; 228 } 229 230 if (buf[0] != '#') { 231 syslog(LOG_ERR, "%s: Memory select failed (%c)", name, buf[0]); 232 goto out; 233 } 234 235 /* 236 * Load firmware 237 */ 238 239 if ((fd = open(fw, O_RDONLY)) < 0) { 240 syslog(LOG_ERR, "Could not open(%s). %s (%d)", 241 fw, strerror(errno), errno); 242 goto out; 243 } 244 245 for (;;) { 246 len = read(fd, buf, sizeof(buf)); 247 if (len < 0) { 248 syslog(LOG_ERR, "Could not read(%s). %s (%d)", 249 fw, strerror(errno), errno); 250 goto out; 251 } 252 if (len == 0) 253 break; 254 255 len = write(bulk, buf, len); 256 if (len < 0) { 257 syslog(LOG_ERR, "Could not write(/dev/%s.%d). %s (%d)", 258 name, BCMFW_BULK_EP, strerror(errno), 259 errno); 260 goto out; 261 } 262 } 263 264 close(fd); 265 fd = -1; 266 267 if (read(intr, buf, sizeof(buf)) < 0) { 268 syslog(LOG_ERR, "Could not read(/dev/%s.%d). %s (%d)", 269 name, BCMFW_INTR_EP, strerror(errno), errno); 270 goto out; 271 } 272 273 if (buf[0] != '.') { 274 syslog(LOG_ERR, "%s: Could not load firmware (%c)", 275 name, buf[0]); 276 goto out; 277 } 278 279 usleep(500000); 280 error = 0; 281 out: 282 if (fd != -1) 283 close(fd); 284 if (bulk != -1) 285 close(bulk); 286 if (intr != -1) 287 close(intr); 288 289 return (error); 290 } /* bcmfw_load_firmware */ 291 292 /* 293 * Display usage message and quit 294 */ 295 296 static void 297 bcmfw_usage(void) 298 { 299 fprintf(stdout, 300 "Usage: %s -n name -m md_file -f fw_file\n" 301 "Where:\n" \ 302 "\t-n name device name\n" \ 303 "\t-m mini-driver image mini-driver image file name for download\n" \ 304 "\t-f firmware image firmware image file name for download\n" \ 305 "\t-h display this message\n", BCMFW); 306 307 exit(255); 308 } /* bcmfw_usage */ 309 310