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
main(int argc,char * argv[])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
bcmfw_check_device(char const * name)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
bcmfw_load_firmware(char const * name,char const * md,char const * fw)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
bcmfw_usage(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