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1da177e4 LT |
1 | /****************************************************************************** |
2 | * speedtch.c - Alcatel SpeedTouch USB xDSL modem driver | |
3 | * | |
4 | * Copyright (C) 2001, Alcatel | |
5 | * Copyright (C) 2003, Duncan Sands | |
6 | * Copyright (C) 2004, David Woodhouse | |
7 | * | |
48da7267 DS |
8 | * Based on "modem_run.c", copyright (C) 2001, Benoit Papillault |
9 | * | |
1da177e4 LT |
10 | * This program is free software; you can redistribute it and/or modify it |
11 | * under the terms of the GNU General Public License as published by the Free | |
12 | * Software Foundation; either version 2 of the License, or (at your option) | |
13 | * any later version. | |
14 | * | |
15 | * This program is distributed in the hope that it will be useful, but WITHOUT | |
16 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
17 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for | |
18 | * more details. | |
19 | * | |
20 | * You should have received a copy of the GNU General Public License along with | |
21 | * this program; if not, write to the Free Software Foundation, Inc., 59 | |
22 | * Temple Place - Suite 330, Boston, MA 02111-1307, USA. | |
23 | * | |
24 | ******************************************************************************/ | |
25 | ||
48da7267 DS |
26 | #include <asm/page.h> |
27 | #include <linux/device.h> | |
28 | #include <linux/errno.h> | |
29 | #include <linux/firmware.h> | |
1da177e4 | 30 | #include <linux/gfp.h> |
48da7267 | 31 | #include <linux/init.h> |
1da177e4 | 32 | #include <linux/kernel.h> |
48da7267 DS |
33 | #include <linux/module.h> |
34 | #include <linux/moduleparam.h> | |
1da177e4 | 35 | #include <linux/slab.h> |
48da7267 DS |
36 | #include <linux/stat.h> |
37 | #include <linux/timer.h> | |
80aae7a1 DS |
38 | #include <linux/types.h> |
39 | #include <linux/usb_ch9.h> | |
48da7267 | 40 | #include <linux/workqueue.h> |
1da177e4 | 41 | |
48da7267 | 42 | #include "usbatm.h" |
1da177e4 LT |
43 | |
44 | #define DRIVER_AUTHOR "Johan Verrept, Duncan Sands <duncan.sands@free.fr>" | |
9b0e54ad | 45 | #define DRIVER_VERSION "1.10" |
1da177e4 LT |
46 | #define DRIVER_DESC "Alcatel SpeedTouch USB driver version " DRIVER_VERSION |
47 | ||
48 | static const char speedtch_driver_name[] = "speedtch"; | |
49 | ||
48da7267 DS |
50 | #define CTRL_TIMEOUT 2000 /* milliseconds */ |
51 | #define DATA_TIMEOUT 2000 /* milliseconds */ | |
1da177e4 | 52 | |
48da7267 DS |
53 | #define OFFSET_7 0 /* size 1 */ |
54 | #define OFFSET_b 1 /* size 8 */ | |
55 | #define OFFSET_d 9 /* size 4 */ | |
56 | #define OFFSET_e 13 /* size 1 */ | |
57 | #define OFFSET_f 14 /* size 1 */ | |
58 | #define TOTAL 15 | |
1da177e4 | 59 | |
48da7267 DS |
60 | #define SIZE_7 1 |
61 | #define SIZE_b 8 | |
62 | #define SIZE_d 4 | |
63 | #define SIZE_e 1 | |
64 | #define SIZE_f 1 | |
1da177e4 | 65 | |
48da7267 DS |
66 | #define MIN_POLL_DELAY 5000 /* milliseconds */ |
67 | #define MAX_POLL_DELAY 60000 /* milliseconds */ | |
1da177e4 | 68 | |
48da7267 | 69 | #define RESUBMIT_DELAY 1000 /* milliseconds */ |
1da177e4 | 70 | |
80aae7a1 | 71 | #define DEFAULT_BULK_ALTSETTING 1 |
67c752b4 | 72 | #define DEFAULT_ISOC_ALTSETTING 3 |
48da7267 | 73 | #define DEFAULT_DL_512_FIRST 0 |
80aae7a1 | 74 | #define DEFAULT_ENABLE_ISOC 0 |
48da7267 | 75 | #define DEFAULT_SW_BUFFERING 0 |
1da177e4 | 76 | |
80aae7a1 | 77 | static unsigned int altsetting = 0; /* zero means: use the default */ |
48da7267 | 78 | static int dl_512_first = DEFAULT_DL_512_FIRST; |
80aae7a1 | 79 | static int enable_isoc = DEFAULT_ENABLE_ISOC; |
48da7267 | 80 | static int sw_buffering = DEFAULT_SW_BUFFERING; |
1da177e4 | 81 | |
80aae7a1 | 82 | module_param(altsetting, uint, S_IRUGO | S_IWUSR); |
48da7267 | 83 | MODULE_PARM_DESC(altsetting, |
80aae7a1 DS |
84 | "Alternative setting for data interface (bulk_default: " |
85 | __MODULE_STRING(DEFAULT_BULK_ALTSETTING) "; isoc_default: " | |
86 | __MODULE_STRING(DEFAULT_ISOC_ALTSETTING) ")"); | |
1da177e4 | 87 | |
48da7267 DS |
88 | module_param(dl_512_first, bool, S_IRUGO | S_IWUSR); |
89 | MODULE_PARM_DESC(dl_512_first, | |
90 | "Read 512 bytes before sending firmware (default: " | |
91 | __MODULE_STRING(DEFAULT_DL_512_FIRST) ")"); | |
1da177e4 | 92 | |
80aae7a1 DS |
93 | module_param(enable_isoc, bool, S_IRUGO | S_IWUSR); |
94 | MODULE_PARM_DESC(enable_isoc, | |
95 | "Use isochronous transfers if available (default: " | |
96 | __MODULE_STRING(DEFAULT_ENABLE_ISOC) ")"); | |
97 | ||
48da7267 DS |
98 | module_param(sw_buffering, bool, S_IRUGO | S_IWUSR); |
99 | MODULE_PARM_DESC(sw_buffering, | |
100 | "Enable software buffering (default: " | |
101 | __MODULE_STRING(DEFAULT_SW_BUFFERING) ")"); | |
1da177e4 | 102 | |
6f749475 | 103 | #define INTERFACE_DATA 1 |
48da7267 | 104 | #define ENDPOINT_INT 0x81 |
80aae7a1 DS |
105 | #define ENDPOINT_BULK_DATA 0x07 |
106 | #define ENDPOINT_ISOC_DATA 0x07 | |
48da7267 | 107 | #define ENDPOINT_FIRMWARE 0x05 |
1da177e4 | 108 | |
48da7267 | 109 | #define hex2int(c) ( (c >= '0') && (c <= '9') ? (c - '0') : ((c & 0xf) + 9) ) |
1da177e4 LT |
110 | |
111 | struct speedtch_instance_data { | |
48da7267 DS |
112 | struct usbatm_data *usbatm; |
113 | ||
6f749475 DS |
114 | unsigned int altsetting; |
115 | ||
48da7267 | 116 | struct work_struct status_checker; |
1da177e4 | 117 | |
1a7aad15 DS |
118 | unsigned char last_status; |
119 | ||
48da7267 DS |
120 | int poll_delay; /* milliseconds */ |
121 | ||
122 | struct timer_list resubmit_timer; | |
1da177e4 LT |
123 | struct urb *int_urb; |
124 | unsigned char int_data[16]; | |
1da177e4 | 125 | |
48da7267 | 126 | unsigned char scratch_buffer[TOTAL]; |
1da177e4 LT |
127 | }; |
128 | ||
129 | /*************** | |
130 | ** firmware ** | |
131 | ***************/ | |
132 | ||
48da7267 | 133 | static void speedtch_set_swbuff(struct speedtch_instance_data *instance, int state) |
1da177e4 | 134 | { |
48da7267 DS |
135 | struct usbatm_data *usbatm = instance->usbatm; |
136 | struct usb_device *usb_dev = usbatm->usb_dev; | |
1da177e4 LT |
137 | int ret; |
138 | ||
48da7267 DS |
139 | ret = usb_control_msg(usb_dev, usb_sndctrlpipe(usb_dev, 0), |
140 | 0x32, 0x40, state ? 0x01 : 0x00, 0x00, NULL, 0, CTRL_TIMEOUT); | |
141 | if (ret < 0) | |
142 | usb_warn(usbatm, | |
143 | "%sabling SW buffering: usb_control_msg returned %d\n", | |
144 | state ? "En" : "Dis", ret); | |
145 | else | |
146 | dbg("speedtch_set_swbuff: %sbled SW buffering", state ? "En" : "Dis"); | |
1da177e4 LT |
147 | } |
148 | ||
149 | static void speedtch_test_sequence(struct speedtch_instance_data *instance) | |
150 | { | |
48da7267 DS |
151 | struct usbatm_data *usbatm = instance->usbatm; |
152 | struct usb_device *usb_dev = usbatm->usb_dev; | |
153 | unsigned char *buf = instance->scratch_buffer; | |
1da177e4 LT |
154 | int ret; |
155 | ||
156 | /* URB 147 */ | |
157 | buf[0] = 0x1c; | |
158 | buf[1] = 0x50; | |
48da7267 DS |
159 | ret = usb_control_msg(usb_dev, usb_sndctrlpipe(usb_dev, 0), |
160 | 0x01, 0x40, 0x0b, 0x00, buf, 2, CTRL_TIMEOUT); | |
1da177e4 | 161 | if (ret < 0) |
48da7267 | 162 | usb_warn(usbatm, "%s failed on URB147: %d\n", __func__, ret); |
1da177e4 LT |
163 | |
164 | /* URB 148 */ | |
165 | buf[0] = 0x32; | |
166 | buf[1] = 0x00; | |
48da7267 DS |
167 | ret = usb_control_msg(usb_dev, usb_sndctrlpipe(usb_dev, 0), |
168 | 0x01, 0x40, 0x02, 0x00, buf, 2, CTRL_TIMEOUT); | |
1da177e4 | 169 | if (ret < 0) |
48da7267 | 170 | usb_warn(usbatm, "%s failed on URB148: %d\n", __func__, ret); |
1da177e4 LT |
171 | |
172 | /* URB 149 */ | |
173 | buf[0] = 0x01; | |
174 | buf[1] = 0x00; | |
175 | buf[2] = 0x01; | |
48da7267 DS |
176 | ret = usb_control_msg(usb_dev, usb_sndctrlpipe(usb_dev, 0), |
177 | 0x01, 0x40, 0x03, 0x00, buf, 3, CTRL_TIMEOUT); | |
1da177e4 | 178 | if (ret < 0) |
48da7267 | 179 | usb_warn(usbatm, "%s failed on URB149: %d\n", __func__, ret); |
1da177e4 LT |
180 | |
181 | /* URB 150 */ | |
182 | buf[0] = 0x01; | |
183 | buf[1] = 0x00; | |
184 | buf[2] = 0x01; | |
48da7267 DS |
185 | ret = usb_control_msg(usb_dev, usb_sndctrlpipe(usb_dev, 0), |
186 | 0x01, 0x40, 0x04, 0x00, buf, 3, CTRL_TIMEOUT); | |
1da177e4 | 187 | if (ret < 0) |
48da7267 | 188 | usb_warn(usbatm, "%s failed on URB150: %d\n", __func__, ret); |
1da177e4 LT |
189 | } |
190 | ||
48da7267 DS |
191 | static int speedtch_upload_firmware(struct speedtch_instance_data *instance, |
192 | const struct firmware *fw1, | |
193 | const struct firmware *fw2) | |
1da177e4 | 194 | { |
48da7267 DS |
195 | unsigned char *buffer; |
196 | struct usbatm_data *usbatm = instance->usbatm; | |
197 | struct usb_interface *intf; | |
198 | struct usb_device *usb_dev = usbatm->usb_dev; | |
199 | int actual_length; | |
200 | int ret = 0; | |
201 | int offset; | |
202 | ||
203 | usb_dbg(usbatm, "%s entered\n", __func__); | |
204 | ||
205 | if (!(buffer = (unsigned char *)__get_free_page(GFP_KERNEL))) { | |
206 | ret = -ENOMEM; | |
207 | usb_dbg(usbatm, "%s: no memory for buffer!\n", __func__); | |
208 | goto out; | |
209 | } | |
210 | ||
211 | if (!(intf = usb_ifnum_to_if(usb_dev, 2))) { | |
212 | ret = -ENODEV; | |
213 | usb_dbg(usbatm, "%s: interface not found!\n", __func__); | |
214 | goto out_free; | |
215 | } | |
216 | ||
217 | /* URB 7 */ | |
218 | if (dl_512_first) { /* some modems need a read before writing the firmware */ | |
219 | ret = usb_bulk_msg(usb_dev, usb_rcvbulkpipe(usb_dev, ENDPOINT_FIRMWARE), | |
220 | buffer, 0x200, &actual_length, 2000); | |
221 | ||
222 | if (ret < 0 && ret != -ETIMEDOUT) | |
0ec3c7e8 | 223 | usb_warn(usbatm, "%s: read BLOCK0 from modem failed (%d)!\n", __func__, ret); |
48da7267 DS |
224 | else |
225 | usb_dbg(usbatm, "%s: BLOCK0 downloaded (%d bytes)\n", __func__, ret); | |
226 | } | |
227 | ||
228 | /* URB 8 : both leds are static green */ | |
229 | for (offset = 0; offset < fw1->size; offset += PAGE_SIZE) { | |
230 | int thislen = min_t(int, PAGE_SIZE, fw1->size - offset); | |
231 | memcpy(buffer, fw1->data + offset, thislen); | |
232 | ||
233 | ret = usb_bulk_msg(usb_dev, usb_sndbulkpipe(usb_dev, ENDPOINT_FIRMWARE), | |
234 | buffer, thislen, &actual_length, DATA_TIMEOUT); | |
235 | ||
236 | if (ret < 0) { | |
0ec3c7e8 | 237 | usb_err(usbatm, "%s: write BLOCK1 to modem failed (%d)!\n", __func__, ret); |
48da7267 DS |
238 | goto out_free; |
239 | } | |
240 | usb_dbg(usbatm, "%s: BLOCK1 uploaded (%zu bytes)\n", __func__, fw1->size); | |
241 | } | |
242 | ||
243 | /* USB led blinking green, ADSL led off */ | |
244 | ||
245 | /* URB 11 */ | |
246 | ret = usb_bulk_msg(usb_dev, usb_rcvbulkpipe(usb_dev, ENDPOINT_FIRMWARE), | |
247 | buffer, 0x200, &actual_length, DATA_TIMEOUT); | |
1da177e4 | 248 | |
1da177e4 | 249 | if (ret < 0) { |
0ec3c7e8 | 250 | usb_err(usbatm, "%s: read BLOCK2 from modem failed (%d)!\n", __func__, ret); |
48da7267 | 251 | goto out_free; |
1da177e4 | 252 | } |
48da7267 | 253 | usb_dbg(usbatm, "%s: BLOCK2 downloaded (%d bytes)\n", __func__, actual_length); |
1da177e4 | 254 | |
48da7267 DS |
255 | /* URBs 12 to 139 - USB led blinking green, ADSL led off */ |
256 | for (offset = 0; offset < fw2->size; offset += PAGE_SIZE) { | |
257 | int thislen = min_t(int, PAGE_SIZE, fw2->size - offset); | |
258 | memcpy(buffer, fw2->data + offset, thislen); | |
259 | ||
260 | ret = usb_bulk_msg(usb_dev, usb_sndbulkpipe(usb_dev, ENDPOINT_FIRMWARE), | |
261 | buffer, thislen, &actual_length, DATA_TIMEOUT); | |
262 | ||
263 | if (ret < 0) { | |
0ec3c7e8 | 264 | usb_err(usbatm, "%s: write BLOCK3 to modem failed (%d)!\n", __func__, ret); |
48da7267 DS |
265 | goto out_free; |
266 | } | |
267 | } | |
268 | usb_dbg(usbatm, "%s: BLOCK3 uploaded (%zu bytes)\n", __func__, fw2->size); | |
269 | ||
270 | /* USB led static green, ADSL led static red */ | |
271 | ||
272 | /* URB 142 */ | |
273 | ret = usb_bulk_msg(usb_dev, usb_rcvbulkpipe(usb_dev, ENDPOINT_FIRMWARE), | |
274 | buffer, 0x200, &actual_length, DATA_TIMEOUT); | |
275 | ||
276 | if (ret < 0) { | |
0ec3c7e8 | 277 | usb_err(usbatm, "%s: read BLOCK4 from modem failed (%d)!\n", __func__, ret); |
48da7267 DS |
278 | goto out_free; |
279 | } | |
280 | ||
281 | /* success */ | |
282 | usb_dbg(usbatm, "%s: BLOCK4 downloaded (%d bytes)\n", __func__, actual_length); | |
283 | ||
284 | /* Delay to allow firmware to start up. We can do this here | |
285 | because we're in our own kernel thread anyway. */ | |
286 | msleep_interruptible(1000); | |
287 | ||
6f749475 DS |
288 | if ((ret = usb_set_interface(usb_dev, INTERFACE_DATA, instance->altsetting)) < 0) { |
289 | usb_err(usbatm, "%s: setting interface to %d failed (%d)!\n", __func__, instance->altsetting, ret); | |
290 | goto out_free; | |
291 | } | |
292 | ||
48da7267 DS |
293 | /* Enable software buffering, if requested */ |
294 | if (sw_buffering) | |
295 | speedtch_set_swbuff(instance, 1); | |
296 | ||
297 | /* Magic spell; don't ask us what this does */ | |
298 | speedtch_test_sequence(instance); | |
299 | ||
300 | ret = 0; | |
301 | ||
302 | out_free: | |
303 | free_page((unsigned long)buffer); | |
304 | out: | |
305 | return ret; | |
1da177e4 LT |
306 | } |
307 | ||
0ec3c7e8 DS |
308 | static int speedtch_find_firmware(struct usbatm_data *usbatm, struct usb_interface *intf, |
309 | int phase, const struct firmware **fw_p) | |
1da177e4 | 310 | { |
48da7267 DS |
311 | struct device *dev = &intf->dev; |
312 | const u16 bcdDevice = le16_to_cpu(interface_to_usbdev(intf)->descriptor.bcdDevice); | |
313 | const u8 major_revision = bcdDevice >> 8; | |
314 | const u8 minor_revision = bcdDevice & 0xff; | |
315 | char buf[24]; | |
1da177e4 | 316 | |
48da7267 | 317 | sprintf(buf, "speedtch-%d.bin.%x.%02x", phase, major_revision, minor_revision); |
0ec3c7e8 | 318 | usb_dbg(usbatm, "%s: looking for %s\n", __func__, buf); |
1da177e4 | 319 | |
48da7267 DS |
320 | if (request_firmware(fw_p, buf, dev)) { |
321 | sprintf(buf, "speedtch-%d.bin.%x", phase, major_revision); | |
0ec3c7e8 | 322 | usb_dbg(usbatm, "%s: looking for %s\n", __func__, buf); |
1da177e4 | 323 | |
48da7267 DS |
324 | if (request_firmware(fw_p, buf, dev)) { |
325 | sprintf(buf, "speedtch-%d.bin", phase); | |
0ec3c7e8 | 326 | usb_dbg(usbatm, "%s: looking for %s\n", __func__, buf); |
48da7267 DS |
327 | |
328 | if (request_firmware(fw_p, buf, dev)) { | |
0ec3c7e8 | 329 | usb_err(usbatm, "%s: no stage %d firmware found!\n", __func__, phase); |
48da7267 DS |
330 | return -ENOENT; |
331 | } | |
332 | } | |
1da177e4 LT |
333 | } |
334 | ||
0ec3c7e8 | 335 | usb_info(usbatm, "found stage %d firmware %s\n", phase, buf); |
1da177e4 | 336 | |
48da7267 DS |
337 | return 0; |
338 | } | |
339 | ||
340 | static int speedtch_heavy_init(struct usbatm_data *usbatm, struct usb_interface *intf) | |
341 | { | |
342 | const struct firmware *fw1, *fw2; | |
343 | struct speedtch_instance_data *instance = usbatm->driver_data; | |
344 | int ret; | |
345 | ||
0ec3c7e8 DS |
346 | if ((ret = speedtch_find_firmware(usbatm, intf, 1, &fw1)) < 0) |
347 | return ret; | |
48da7267 | 348 | |
0ec3c7e8 | 349 | if ((ret = speedtch_find_firmware(usbatm, intf, 2, &fw2)) < 0) { |
48da7267 DS |
350 | release_firmware(fw1); |
351 | return ret; | |
1da177e4 | 352 | } |
1da177e4 | 353 | |
0ec3c7e8 DS |
354 | if ((ret = speedtch_upload_firmware(instance, fw1, fw2)) < 0) |
355 | usb_err(usbatm, "%s: firmware upload failed (%d)!\n", __func__, ret); | |
48da7267 DS |
356 | |
357 | release_firmware(fw2); | |
358 | release_firmware(fw1); | |
1da177e4 | 359 | |
48da7267 | 360 | return ret; |
1da177e4 LT |
361 | } |
362 | ||
48da7267 DS |
363 | |
364 | /********** | |
365 | ** ATM ** | |
366 | **********/ | |
367 | ||
368 | static int speedtch_read_status(struct speedtch_instance_data *instance) | |
1da177e4 | 369 | { |
48da7267 DS |
370 | struct usbatm_data *usbatm = instance->usbatm; |
371 | struct usb_device *usb_dev = usbatm->usb_dev; | |
372 | unsigned char *buf = instance->scratch_buffer; | |
1da177e4 LT |
373 | int ret; |
374 | ||
375 | memset(buf, 0, TOTAL); | |
376 | ||
48da7267 | 377 | ret = usb_control_msg(usb_dev, usb_rcvctrlpipe(usb_dev, 0), |
1da177e4 LT |
378 | 0x12, 0xc0, 0x07, 0x00, buf + OFFSET_7, SIZE_7, |
379 | CTRL_TIMEOUT); | |
380 | if (ret < 0) { | |
48da7267 | 381 | atm_dbg(usbatm, "%s: MSG 7 failed\n", __func__); |
1da177e4 LT |
382 | return ret; |
383 | } | |
384 | ||
48da7267 | 385 | ret = usb_control_msg(usb_dev, usb_rcvctrlpipe(usb_dev, 0), |
1da177e4 LT |
386 | 0x12, 0xc0, 0x0b, 0x00, buf + OFFSET_b, SIZE_b, |
387 | CTRL_TIMEOUT); | |
388 | if (ret < 0) { | |
48da7267 | 389 | atm_dbg(usbatm, "%s: MSG B failed\n", __func__); |
1da177e4 LT |
390 | return ret; |
391 | } | |
392 | ||
48da7267 | 393 | ret = usb_control_msg(usb_dev, usb_rcvctrlpipe(usb_dev, 0), |
1da177e4 LT |
394 | 0x12, 0xc0, 0x0d, 0x00, buf + OFFSET_d, SIZE_d, |
395 | CTRL_TIMEOUT); | |
396 | if (ret < 0) { | |
48da7267 | 397 | atm_dbg(usbatm, "%s: MSG D failed\n", __func__); |
1da177e4 LT |
398 | return ret; |
399 | } | |
400 | ||
48da7267 | 401 | ret = usb_control_msg(usb_dev, usb_rcvctrlpipe(usb_dev, 0), |
1da177e4 LT |
402 | 0x01, 0xc0, 0x0e, 0x00, buf + OFFSET_e, SIZE_e, |
403 | CTRL_TIMEOUT); | |
404 | if (ret < 0) { | |
48da7267 | 405 | atm_dbg(usbatm, "%s: MSG E failed\n", __func__); |
1da177e4 LT |
406 | return ret; |
407 | } | |
408 | ||
48da7267 | 409 | ret = usb_control_msg(usb_dev, usb_rcvctrlpipe(usb_dev, 0), |
1da177e4 LT |
410 | 0x01, 0xc0, 0x0f, 0x00, buf + OFFSET_f, SIZE_f, |
411 | CTRL_TIMEOUT); | |
412 | if (ret < 0) { | |
48da7267 | 413 | atm_dbg(usbatm, "%s: MSG F failed\n", __func__); |
1da177e4 LT |
414 | return ret; |
415 | } | |
416 | ||
417 | return 0; | |
418 | } | |
419 | ||
48da7267 | 420 | static int speedtch_start_synchro(struct speedtch_instance_data *instance) |
1da177e4 | 421 | { |
48da7267 DS |
422 | struct usbatm_data *usbatm = instance->usbatm; |
423 | struct usb_device *usb_dev = usbatm->usb_dev; | |
424 | unsigned char *buf = instance->scratch_buffer; | |
1da177e4 LT |
425 | int ret; |
426 | ||
48da7267 DS |
427 | atm_dbg(usbatm, "%s entered\n", __func__); |
428 | ||
429 | memset(buf, 0, 2); | |
430 | ||
431 | ret = usb_control_msg(usb_dev, usb_rcvctrlpipe(usb_dev, 0), | |
432 | 0x12, 0xc0, 0x04, 0x00, | |
433 | buf, 2, CTRL_TIMEOUT); | |
434 | ||
435 | if (ret < 0) | |
436 | atm_warn(usbatm, "failed to start ADSL synchronisation: %d\n", ret); | |
437 | else | |
438 | atm_dbg(usbatm, "%s: modem prodded. %d bytes returned: %02x %02x\n", | |
439 | __func__, ret, buf[0], buf[1]); | |
440 | ||
441 | return ret; | |
442 | } | |
443 | ||
444 | static void speedtch_check_status(struct speedtch_instance_data *instance) | |
445 | { | |
446 | struct usbatm_data *usbatm = instance->usbatm; | |
447 | struct atm_dev *atm_dev = usbatm->atm_dev; | |
448 | unsigned char *buf = instance->scratch_buffer; | |
1a7aad15 DS |
449 | int down_speed, up_speed, ret; |
450 | unsigned char status; | |
48da7267 | 451 | |
0ec3c7e8 | 452 | #ifdef VERBOSE_DEBUG |
48da7267 | 453 | atm_dbg(usbatm, "%s entered\n", __func__); |
0ec3c7e8 | 454 | #endif |
48da7267 DS |
455 | |
456 | ret = speedtch_read_status(instance); | |
457 | if (ret < 0) { | |
458 | atm_warn(usbatm, "error %d fetching device status\n", ret); | |
cd5c08fb | 459 | instance->poll_delay = min(2 * instance->poll_delay, MAX_POLL_DELAY); |
1da177e4 LT |
460 | return; |
461 | } | |
462 | ||
cd5c08fb | 463 | instance->poll_delay = max(instance->poll_delay / 2, MIN_POLL_DELAY); |
48da7267 | 464 | |
1a7aad15 | 465 | status = buf[OFFSET_7]; |
1da177e4 | 466 | |
1a7aad15 | 467 | if ((status != instance->last_status) || !status) { |
0ec3c7e8 DS |
468 | atm_dbg(usbatm, "%s: line state 0x%02x\n", __func__, status); |
469 | ||
1a7aad15 DS |
470 | switch (status) { |
471 | case 0: | |
48da7267 | 472 | atm_dev->signal = ATM_PHY_SIG_LOST; |
1a7aad15 | 473 | if (instance->last_status) |
52fbae2a | 474 | atm_info(usbatm, "ADSL line is down\n"); |
1a7aad15 | 475 | /* It may never resync again unless we ask it to... */ |
48da7267 | 476 | ret = speedtch_start_synchro(instance); |
1a7aad15 | 477 | break; |
1da177e4 | 478 | |
1a7aad15 | 479 | case 0x08: |
48da7267 | 480 | atm_dev->signal = ATM_PHY_SIG_UNKNOWN; |
52fbae2a | 481 | atm_info(usbatm, "ADSL line is blocked?\n"); |
1a7aad15 | 482 | break; |
1da177e4 | 483 | |
1a7aad15 | 484 | case 0x10: |
48da7267 | 485 | atm_dev->signal = ATM_PHY_SIG_LOST; |
52fbae2a | 486 | atm_info(usbatm, "ADSL line is synchronising\n"); |
1a7aad15 | 487 | break; |
1da177e4 | 488 | |
1a7aad15 DS |
489 | case 0x20: |
490 | down_speed = buf[OFFSET_b] | (buf[OFFSET_b + 1] << 8) | |
1da177e4 | 491 | | (buf[OFFSET_b + 2] << 16) | (buf[OFFSET_b + 3] << 24); |
1a7aad15 | 492 | up_speed = buf[OFFSET_b + 4] | (buf[OFFSET_b + 5] << 8) |
1da177e4 LT |
493 | | (buf[OFFSET_b + 6] << 16) | (buf[OFFSET_b + 7] << 24); |
494 | ||
48da7267 | 495 | if (!(down_speed & 0x0000ffff) && !(up_speed & 0x0000ffff)) { |
1da177e4 LT |
496 | down_speed >>= 16; |
497 | up_speed >>= 16; | |
498 | } | |
1da177e4 | 499 | |
48da7267 DS |
500 | atm_dev->link_rate = down_speed * 1000 / 424; |
501 | atm_dev->signal = ATM_PHY_SIG_FOUND; | |
502 | ||
503 | atm_info(usbatm, | |
322a95bc | 504 | "ADSL line is up (%d kb/s down | %d kb/s up)\n", |
48da7267 | 505 | down_speed, up_speed); |
1a7aad15 | 506 | break; |
1da177e4 | 507 | |
1a7aad15 | 508 | default: |
48da7267 | 509 | atm_dev->signal = ATM_PHY_SIG_UNKNOWN; |
0ec3c7e8 | 510 | atm_info(usbatm, "unknown line state %02x\n", status); |
1a7aad15 | 511 | break; |
1da177e4 | 512 | } |
1a7aad15 DS |
513 | |
514 | instance->last_status = status; | |
1da177e4 LT |
515 | } |
516 | } | |
517 | ||
48da7267 | 518 | static void speedtch_status_poll(unsigned long data) |
1da177e4 LT |
519 | { |
520 | struct speedtch_instance_data *instance = (void *)data; | |
521 | ||
48da7267 DS |
522 | schedule_work(&instance->status_checker); |
523 | ||
524 | /* The following check is racy, but the race is harmless */ | |
525 | if (instance->poll_delay < MAX_POLL_DELAY) | |
526 | mod_timer(&instance->status_checker.timer, jiffies + msecs_to_jiffies(instance->poll_delay)); | |
527 | else | |
52fbae2a | 528 | atm_warn(instance->usbatm, "Too many failures - disabling line status polling\n"); |
1da177e4 LT |
529 | } |
530 | ||
48da7267 | 531 | static void speedtch_resubmit_int(unsigned long data) |
1da177e4 | 532 | { |
48da7267 DS |
533 | struct speedtch_instance_data *instance = (void *)data; |
534 | struct urb *int_urb = instance->int_urb; | |
535 | int ret; | |
1da177e4 | 536 | |
48da7267 | 537 | atm_dbg(instance->usbatm, "%s entered\n", __func__); |
1da177e4 | 538 | |
48da7267 DS |
539 | if (int_urb) { |
540 | ret = usb_submit_urb(int_urb, GFP_ATOMIC); | |
541 | if (!ret) | |
542 | schedule_work(&instance->status_checker); | |
543 | else { | |
544 | atm_dbg(instance->usbatm, "%s: usb_submit_urb failed with result %d\n", __func__, ret); | |
545 | mod_timer(&instance->resubmit_timer, jiffies + msecs_to_jiffies(RESUBMIT_DELAY)); | |
1da177e4 | 546 | } |
1da177e4 | 547 | } |
48da7267 | 548 | } |
1da177e4 | 549 | |
48da7267 DS |
550 | static void speedtch_handle_int(struct urb *int_urb, struct pt_regs *regs) |
551 | { | |
552 | struct speedtch_instance_data *instance = int_urb->context; | |
553 | struct usbatm_data *usbatm = instance->usbatm; | |
554 | unsigned int count = int_urb->actual_length; | |
555 | int ret = int_urb->status; | |
1da177e4 | 556 | |
48da7267 | 557 | /* The magic interrupt for "up state" */ |
3c6bee1d | 558 | static const unsigned char up_int[6] = { 0xa1, 0x00, 0x01, 0x00, 0x00, 0x00 }; |
48da7267 | 559 | /* The magic interrupt for "down state" */ |
3c6bee1d | 560 | static const unsigned char down_int[6] = { 0xa1, 0x00, 0x00, 0x00, 0x00, 0x00 }; |
48da7267 DS |
561 | |
562 | atm_dbg(usbatm, "%s entered\n", __func__); | |
1da177e4 LT |
563 | |
564 | if (ret < 0) { | |
48da7267 DS |
565 | atm_dbg(usbatm, "%s: nonzero urb status %d!\n", __func__, ret); |
566 | goto fail; | |
1da177e4 | 567 | } |
1da177e4 | 568 | |
48da7267 DS |
569 | if ((count == 6) && !memcmp(up_int, instance->int_data, 6)) { |
570 | del_timer(&instance->status_checker.timer); | |
52fbae2a | 571 | atm_info(usbatm, "DSL line goes up\n"); |
48da7267 | 572 | } else if ((count == 6) && !memcmp(down_int, instance->int_data, 6)) { |
52fbae2a | 573 | atm_info(usbatm, "DSL line goes down\n"); |
48da7267 DS |
574 | } else { |
575 | int i; | |
1da177e4 | 576 | |
48da7267 DS |
577 | atm_dbg(usbatm, "%s: unknown interrupt packet of length %d:", __func__, count); |
578 | for (i = 0; i < count; i++) | |
579 | printk(" %02x", instance->int_data[i]); | |
580 | printk("\n"); | |
581 | goto fail; | |
582 | } | |
1da177e4 | 583 | |
48da7267 DS |
584 | if ((int_urb = instance->int_urb)) { |
585 | ret = usb_submit_urb(int_urb, GFP_ATOMIC); | |
586 | schedule_work(&instance->status_checker); | |
1da177e4 | 587 | if (ret < 0) { |
48da7267 DS |
588 | atm_dbg(usbatm, "%s: usb_submit_urb failed with result %d\n", __func__, ret); |
589 | goto fail; | |
1da177e4 LT |
590 | } |
591 | } | |
1da177e4 | 592 | |
1da177e4 LT |
593 | return; |
594 | ||
48da7267 DS |
595 | fail: |
596 | if ((int_urb = instance->int_urb)) | |
597 | mod_timer(&instance->resubmit_timer, jiffies + msecs_to_jiffies(RESUBMIT_DELAY)); | |
1da177e4 LT |
598 | } |
599 | ||
48da7267 | 600 | static int speedtch_atm_start(struct usbatm_data *usbatm, struct atm_dev *atm_dev) |
1da177e4 | 601 | { |
48da7267 DS |
602 | struct usb_device *usb_dev = usbatm->usb_dev; |
603 | struct speedtch_instance_data *instance = usbatm->driver_data; | |
604 | int i, ret; | |
605 | unsigned char mac_str[13]; | |
1da177e4 | 606 | |
48da7267 | 607 | atm_dbg(usbatm, "%s entered\n", __func__); |
1da177e4 | 608 | |
48da7267 DS |
609 | /* Set MAC address, it is stored in the serial number */ |
610 | memset(atm_dev->esi, 0, sizeof(atm_dev->esi)); | |
611 | if (usb_string(usb_dev, usb_dev->descriptor.iSerialNumber, mac_str, sizeof(mac_str)) == 12) { | |
612 | for (i = 0; i < 6; i++) | |
613 | atm_dev->esi[i] = (hex2int(mac_str[i * 2]) * 16) + (hex2int(mac_str[i * 2 + 1])); | |
614 | } | |
1da177e4 | 615 | |
48da7267 DS |
616 | /* Start modem synchronisation */ |
617 | ret = speedtch_start_synchro(instance); | |
1da177e4 | 618 | |
48da7267 DS |
619 | /* Set up interrupt endpoint */ |
620 | if (instance->int_urb) { | |
621 | ret = usb_submit_urb(instance->int_urb, GFP_KERNEL); | |
622 | if (ret < 0) { | |
623 | /* Doesn't matter; we'll poll anyway */ | |
624 | atm_dbg(usbatm, "%s: submission of interrupt URB failed (%d)!\n", __func__, ret); | |
625 | usb_free_urb(instance->int_urb); | |
626 | instance->int_urb = NULL; | |
1da177e4 | 627 | } |
1da177e4 LT |
628 | } |
629 | ||
48da7267 DS |
630 | /* Start status polling */ |
631 | mod_timer(&instance->status_checker.timer, jiffies + msecs_to_jiffies(1000)); | |
1da177e4 | 632 | |
1da177e4 LT |
633 | return 0; |
634 | } | |
1da177e4 | 635 | |
48da7267 | 636 | static void speedtch_atm_stop(struct usbatm_data *usbatm, struct atm_dev *atm_dev) |
1da177e4 | 637 | { |
48da7267 DS |
638 | struct speedtch_instance_data *instance = usbatm->driver_data; |
639 | struct urb *int_urb = instance->int_urb; | |
640 | ||
641 | atm_dbg(usbatm, "%s entered\n", __func__); | |
642 | ||
643 | del_timer_sync(&instance->status_checker.timer); | |
644 | ||
645 | /* | |
646 | * Since resubmit_timer and int_urb can schedule themselves and | |
647 | * each other, shutting them down correctly takes some care | |
648 | */ | |
649 | instance->int_urb = NULL; /* signal shutdown */ | |
650 | mb(); | |
651 | usb_kill_urb(int_urb); | |
652 | del_timer_sync(&instance->resubmit_timer); | |
653 | /* | |
654 | * At this point, speedtch_handle_int and speedtch_resubmit_int | |
655 | * can run or be running, but instance->int_urb == NULL means that | |
656 | * they will not reschedule | |
657 | */ | |
658 | usb_kill_urb(int_urb); | |
659 | del_timer_sync(&instance->resubmit_timer); | |
660 | usb_free_urb(int_urb); | |
1da177e4 | 661 | |
48da7267 DS |
662 | flush_scheduled_work(); |
663 | } | |
1da177e4 | 664 | |
1da177e4 | 665 | |
48da7267 DS |
666 | /********** |
667 | ** USB ** | |
668 | **********/ | |
1da177e4 | 669 | |
48da7267 DS |
670 | static struct usb_device_id speedtch_usb_ids[] = { |
671 | {USB_DEVICE(0x06b9, 0x4061)}, | |
672 | {} | |
673 | }; | |
1da177e4 | 674 | |
48da7267 | 675 | MODULE_DEVICE_TABLE(usb, speedtch_usb_ids); |
1da177e4 | 676 | |
48da7267 | 677 | static int speedtch_usb_probe(struct usb_interface *, const struct usb_device_id *); |
1da177e4 | 678 | |
48da7267 | 679 | static struct usb_driver speedtch_usb_driver = { |
48da7267 DS |
680 | .name = speedtch_driver_name, |
681 | .probe = speedtch_usb_probe, | |
682 | .disconnect = usbatm_usb_disconnect, | |
683 | .id_table = speedtch_usb_ids | |
684 | }; | |
1da177e4 | 685 | |
48da7267 DS |
686 | static void speedtch_release_interfaces(struct usb_device *usb_dev, int num_interfaces) { |
687 | struct usb_interface *cur_intf; | |
688 | int i; | |
1da177e4 | 689 | |
48da7267 DS |
690 | for(i = 0; i < num_interfaces; i++) |
691 | if ((cur_intf = usb_ifnum_to_if(usb_dev, i))) { | |
692 | usb_set_intfdata(cur_intf, NULL); | |
693 | usb_driver_release_interface(&speedtch_usb_driver, cur_intf); | |
694 | } | |
1da177e4 LT |
695 | } |
696 | ||
48da7267 DS |
697 | static int speedtch_bind(struct usbatm_data *usbatm, |
698 | struct usb_interface *intf, | |
35644b0c | 699 | const struct usb_device_id *id) |
1da177e4 | 700 | { |
48da7267 | 701 | struct usb_device *usb_dev = interface_to_usbdev(intf); |
80aae7a1 | 702 | struct usb_interface *cur_intf, *data_intf; |
48da7267 DS |
703 | struct speedtch_instance_data *instance; |
704 | int ifnum = intf->altsetting->desc.bInterfaceNumber; | |
705 | int num_interfaces = usb_dev->actconfig->desc.bNumInterfaces; | |
706 | int i, ret; | |
80aae7a1 | 707 | int use_isoc; |
1da177e4 | 708 | |
48da7267 | 709 | usb_dbg(usbatm, "%s entered\n", __func__); |
1da177e4 | 710 | |
0ec3c7e8 DS |
711 | /* sanity checks */ |
712 | ||
48da7267 | 713 | if (usb_dev->descriptor.bDeviceClass != USB_CLASS_VENDOR_SPEC) { |
0ec3c7e8 | 714 | usb_err(usbatm, "%s: wrong device class %d\n", __func__, usb_dev->descriptor.bDeviceClass); |
1da177e4 LT |
715 | return -ENODEV; |
716 | } | |
717 | ||
80aae7a1 DS |
718 | if (!(data_intf = usb_ifnum_to_if(usb_dev, INTERFACE_DATA))) { |
719 | usb_err(usbatm, "%s: data interface not found!\n", __func__); | |
720 | return -ENODEV; | |
721 | } | |
722 | ||
48da7267 | 723 | /* claim all interfaces */ |
1da177e4 | 724 | |
48da7267 DS |
725 | for (i=0; i < num_interfaces; i++) { |
726 | cur_intf = usb_ifnum_to_if(usb_dev, i); | |
1da177e4 | 727 | |
48da7267 DS |
728 | if ((i != ifnum) && cur_intf) { |
729 | ret = usb_driver_claim_interface(&speedtch_usb_driver, cur_intf, usbatm); | |
1da177e4 | 730 | |
48da7267 | 731 | if (ret < 0) { |
0ec3c7e8 | 732 | usb_err(usbatm, "%s: failed to claim interface %2d (%d)!\n", __func__, i, ret); |
48da7267 DS |
733 | speedtch_release_interfaces(usb_dev, i); |
734 | return ret; | |
735 | } | |
736 | } | |
737 | } | |
1da177e4 | 738 | |
9a734efe | 739 | instance = kzalloc(sizeof(*instance), GFP_KERNEL); |
48da7267 | 740 | |
1da177e4 | 741 | if (!instance) { |
0ec3c7e8 | 742 | usb_err(usbatm, "%s: no memory for instance data!\n", __func__); |
48da7267 DS |
743 | ret = -ENOMEM; |
744 | goto fail_release; | |
1da177e4 LT |
745 | } |
746 | ||
48da7267 | 747 | instance->usbatm = usbatm; |
1da177e4 | 748 | |
80aae7a1 | 749 | /* altsetting and enable_isoc may change at any moment, so take a snapshot */ |
6f749475 | 750 | instance->altsetting = altsetting; |
80aae7a1 | 751 | use_isoc = enable_isoc; |
6f749475 DS |
752 | |
753 | if (instance->altsetting) | |
754 | if ((ret = usb_set_interface(usb_dev, INTERFACE_DATA, instance->altsetting)) < 0) { | |
755 | usb_err(usbatm, "%s: setting interface to %2d failed (%d)!\n", __func__, instance->altsetting, ret); | |
756 | instance->altsetting = 0; /* fall back to default */ | |
757 | } | |
758 | ||
80aae7a1 DS |
759 | if (!instance->altsetting && use_isoc) |
760 | if ((ret = usb_set_interface(usb_dev, INTERFACE_DATA, DEFAULT_ISOC_ALTSETTING)) < 0) { | |
761 | usb_dbg(usbatm, "%s: setting interface to %2d failed (%d)!\n", __func__, DEFAULT_ISOC_ALTSETTING, ret); | |
762 | use_isoc = 0; /* fall back to bulk */ | |
6f749475 | 763 | } |
80aae7a1 DS |
764 | |
765 | if (use_isoc) { | |
766 | const struct usb_host_interface *desc = data_intf->cur_altsetting; | |
767 | const __u8 target_address = USB_DIR_IN | usbatm->driver->isoc_in; | |
768 | int i; | |
769 | ||
770 | use_isoc = 0; /* fall back to bulk if endpoint not found */ | |
771 | ||
772 | for (i=0; i<desc->desc.bNumEndpoints; i++) { | |
773 | const struct usb_endpoint_descriptor *endpoint_desc = &desc->endpoint[i].desc; | |
774 | ||
775 | if ((endpoint_desc->bEndpointAddress == target_address)) { | |
776 | use_isoc = (endpoint_desc->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) == | |
777 | USB_ENDPOINT_XFER_ISOC; | |
778 | break; | |
779 | } | |
780 | } | |
781 | ||
782 | if (!use_isoc) | |
783 | usb_info(usbatm, "isochronous transfer not supported - using bulk\n"); | |
6f749475 DS |
784 | } |
785 | ||
80aae7a1 DS |
786 | if (!use_isoc && !instance->altsetting) |
787 | if ((ret = usb_set_interface(usb_dev, INTERFACE_DATA, DEFAULT_BULK_ALTSETTING)) < 0) { | |
788 | usb_err(usbatm, "%s: setting interface to %2d failed (%d)!\n", __func__, DEFAULT_BULK_ALTSETTING, ret); | |
789 | goto fail_free; | |
790 | } | |
791 | ||
792 | if (!instance->altsetting) | |
793 | instance->altsetting = use_isoc ? DEFAULT_ISOC_ALTSETTING : DEFAULT_BULK_ALTSETTING; | |
794 | ||
795 | usbatm->flags |= (use_isoc ? UDSL_USE_ISOC : 0); | |
796 | ||
48da7267 | 797 | INIT_WORK(&instance->status_checker, (void *)speedtch_check_status, instance); |
1da177e4 | 798 | |
48da7267 DS |
799 | instance->status_checker.timer.function = speedtch_status_poll; |
800 | instance->status_checker.timer.data = (unsigned long)instance; | |
1a7aad15 | 801 | instance->last_status = 0xff; |
48da7267 | 802 | instance->poll_delay = MIN_POLL_DELAY; |
1da177e4 | 803 | |
48da7267 DS |
804 | init_timer(&instance->resubmit_timer); |
805 | instance->resubmit_timer.function = speedtch_resubmit_int; | |
806 | instance->resubmit_timer.data = (unsigned long)instance; | |
1da177e4 | 807 | |
48da7267 | 808 | instance->int_urb = usb_alloc_urb(0, GFP_KERNEL); |
1da177e4 | 809 | |
48da7267 DS |
810 | if (instance->int_urb) |
811 | usb_fill_int_urb(instance->int_urb, usb_dev, | |
812 | usb_rcvintpipe(usb_dev, ENDPOINT_INT), | |
813 | instance->int_data, sizeof(instance->int_data), | |
814 | speedtch_handle_int, instance, 50); | |
815 | else | |
816 | usb_dbg(usbatm, "%s: no memory for interrupt urb!\n", __func__); | |
1da177e4 | 817 | |
48da7267 DS |
818 | /* check whether the modem already seems to be alive */ |
819 | ret = usb_control_msg(usb_dev, usb_rcvctrlpipe(usb_dev, 0), | |
820 | 0x12, 0xc0, 0x07, 0x00, | |
821 | instance->scratch_buffer + OFFSET_7, SIZE_7, 500); | |
1da177e4 | 822 | |
80aae7a1 | 823 | usbatm->flags |= (ret == SIZE_7 ? UDSL_SKIP_HEAVY_INIT : 0); |
1da177e4 | 824 | |
35644b0c | 825 | usb_dbg(usbatm, "%s: firmware %s loaded\n", __func__, usbatm->flags & UDSL_SKIP_HEAVY_INIT ? "already" : "not"); |
48da7267 | 826 | |
35644b0c | 827 | if (!(usbatm->flags & UDSL_SKIP_HEAVY_INIT)) |
0ec3c7e8 DS |
828 | if ((ret = usb_reset_device(usb_dev)) < 0) { |
829 | usb_err(usbatm, "%s: device reset failed (%d)!\n", __func__, ret); | |
48da7267 | 830 | goto fail_free; |
0ec3c7e8 | 831 | } |
1da177e4 | 832 | |
48da7267 | 833 | usbatm->driver_data = instance; |
1da177e4 LT |
834 | |
835 | return 0; | |
836 | ||
48da7267 DS |
837 | fail_free: |
838 | usb_free_urb(instance->int_urb); | |
1da177e4 | 839 | kfree(instance); |
48da7267 DS |
840 | fail_release: |
841 | speedtch_release_interfaces(usb_dev, num_interfaces); | |
842 | return ret; | |
1da177e4 LT |
843 | } |
844 | ||
48da7267 | 845 | static void speedtch_unbind(struct usbatm_data *usbatm, struct usb_interface *intf) |
1da177e4 | 846 | { |
48da7267 DS |
847 | struct usb_device *usb_dev = interface_to_usbdev(intf); |
848 | struct speedtch_instance_data *instance = usbatm->driver_data; | |
1da177e4 | 849 | |
48da7267 | 850 | usb_dbg(usbatm, "%s entered\n", __func__); |
1da177e4 | 851 | |
48da7267 DS |
852 | speedtch_release_interfaces(usb_dev, usb_dev->actconfig->desc.bNumInterfaces); |
853 | usb_free_urb(instance->int_urb); | |
854 | kfree(instance); | |
1da177e4 LT |
855 | } |
856 | ||
48da7267 | 857 | |
1da177e4 LT |
858 | /*********** |
859 | ** init ** | |
860 | ***********/ | |
861 | ||
48da7267 | 862 | static struct usbatm_driver speedtch_usbatm_driver = { |
48da7267 DS |
863 | .driver_name = speedtch_driver_name, |
864 | .bind = speedtch_bind, | |
865 | .heavy_init = speedtch_heavy_init, | |
866 | .unbind = speedtch_unbind, | |
867 | .atm_start = speedtch_atm_start, | |
868 | .atm_stop = speedtch_atm_stop, | |
80aae7a1 DS |
869 | .bulk_in = ENDPOINT_BULK_DATA, |
870 | .bulk_out = ENDPOINT_BULK_DATA, | |
871 | .isoc_in = ENDPOINT_ISOC_DATA | |
48da7267 DS |
872 | }; |
873 | ||
874 | static int speedtch_usb_probe(struct usb_interface *intf, const struct usb_device_id *id) | |
875 | { | |
876 | return usbatm_usb_probe(intf, id, &speedtch_usbatm_driver); | |
877 | } | |
878 | ||
1da177e4 LT |
879 | static int __init speedtch_usb_init(void) |
880 | { | |
48da7267 | 881 | dbg("%s: driver version %s", __func__, DRIVER_VERSION); |
1da177e4 LT |
882 | |
883 | return usb_register(&speedtch_usb_driver); | |
884 | } | |
885 | ||
886 | static void __exit speedtch_usb_cleanup(void) | |
887 | { | |
48da7267 | 888 | dbg("%s", __func__); |
1da177e4 LT |
889 | |
890 | usb_deregister(&speedtch_usb_driver); | |
891 | } | |
892 | ||
893 | module_init(speedtch_usb_init); | |
894 | module_exit(speedtch_usb_cleanup); | |
895 | ||
896 | MODULE_AUTHOR(DRIVER_AUTHOR); | |
897 | MODULE_DESCRIPTION(DRIVER_DESC); | |
898 | MODULE_LICENSE("GPL"); | |
899 | MODULE_VERSION(DRIVER_VERSION); |