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