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