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