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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 */ | |
1da177e4 | 58 | |
48da7267 DS |
59 | #define SIZE_7 1 |
60 | #define SIZE_b 8 | |
61 | #define SIZE_d 4 | |
62 | #define SIZE_e 1 | |
63 | #define SIZE_f 1 | |
1da177e4 | 64 | |
48da7267 DS |
65 | #define MIN_POLL_DELAY 5000 /* milliseconds */ |
66 | #define MAX_POLL_DELAY 60000 /* milliseconds */ | |
1da177e4 | 67 | |
48da7267 | 68 | #define RESUBMIT_DELAY 1000 /* milliseconds */ |
1da177e4 | 69 | |
80aae7a1 | 70 | #define DEFAULT_BULK_ALTSETTING 1 |
67c752b4 | 71 | #define DEFAULT_ISOC_ALTSETTING 3 |
48da7267 | 72 | #define DEFAULT_DL_512_FIRST 0 |
80aae7a1 | 73 | #define DEFAULT_ENABLE_ISOC 0 |
48da7267 | 74 | #define DEFAULT_SW_BUFFERING 0 |
1da177e4 | 75 | |
80aae7a1 | 76 | static unsigned int altsetting = 0; /* zero means: use the default */ |
48da7267 | 77 | static int dl_512_first = DEFAULT_DL_512_FIRST; |
80aae7a1 | 78 | static int enable_isoc = DEFAULT_ENABLE_ISOC; |
48da7267 | 79 | static int sw_buffering = DEFAULT_SW_BUFFERING; |
1da177e4 | 80 | |
6a4f1b41 DS |
81 | #define DEFAULT_B_MAX_DSL 8128 |
82 | #define DEFAULT_MODEM_MODE 11 | |
83 | #define MODEM_OPTION_LENGTH 16 | |
84 | static const unsigned char DEFAULT_MODEM_OPTION[MODEM_OPTION_LENGTH] = { | |
85 | 0x10, 0x00, 0x00, 0x00, 0x20, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 | |
86 | }; | |
87 | ||
88 | static unsigned int BMaxDSL = DEFAULT_B_MAX_DSL; | |
89 | static unsigned char ModemMode = DEFAULT_MODEM_MODE; | |
90 | static unsigned char ModemOption[MODEM_OPTION_LENGTH]; | |
91 | static int num_ModemOption; | |
92 | ||
80aae7a1 | 93 | module_param(altsetting, uint, S_IRUGO | S_IWUSR); |
48da7267 | 94 | MODULE_PARM_DESC(altsetting, |
80aae7a1 DS |
95 | "Alternative setting for data interface (bulk_default: " |
96 | __MODULE_STRING(DEFAULT_BULK_ALTSETTING) "; isoc_default: " | |
97 | __MODULE_STRING(DEFAULT_ISOC_ALTSETTING) ")"); | |
1da177e4 | 98 | |
48da7267 DS |
99 | module_param(dl_512_first, bool, S_IRUGO | S_IWUSR); |
100 | MODULE_PARM_DESC(dl_512_first, | |
101 | "Read 512 bytes before sending firmware (default: " | |
102 | __MODULE_STRING(DEFAULT_DL_512_FIRST) ")"); | |
1da177e4 | 103 | |
80aae7a1 DS |
104 | module_param(enable_isoc, bool, S_IRUGO | S_IWUSR); |
105 | MODULE_PARM_DESC(enable_isoc, | |
106 | "Use isochronous transfers if available (default: " | |
107 | __MODULE_STRING(DEFAULT_ENABLE_ISOC) ")"); | |
108 | ||
48da7267 DS |
109 | module_param(sw_buffering, bool, S_IRUGO | S_IWUSR); |
110 | MODULE_PARM_DESC(sw_buffering, | |
111 | "Enable software buffering (default: " | |
112 | __MODULE_STRING(DEFAULT_SW_BUFFERING) ")"); | |
1da177e4 | 113 | |
6a4f1b41 DS |
114 | module_param(BMaxDSL, uint, S_IRUGO | S_IWUSR); |
115 | MODULE_PARM_DESC(BMaxDSL, | |
116 | "default: " __MODULE_STRING(DEFAULT_B_MAX_DSL)); | |
117 | ||
118 | module_param(ModemMode, byte, S_IRUGO | S_IWUSR); | |
119 | MODULE_PARM_DESC(ModemMode, | |
120 | "default: " __MODULE_STRING(DEFAULT_MODEM_MODE)); | |
121 | ||
122 | module_param_array(ModemOption, byte, &num_ModemOption, S_IRUGO); | |
123 | MODULE_PARM_DESC(ModemOption, "default: 0x10,0x00,0x00,0x00,0x20"); | |
124 | ||
6f749475 | 125 | #define INTERFACE_DATA 1 |
48da7267 | 126 | #define ENDPOINT_INT 0x81 |
80aae7a1 DS |
127 | #define ENDPOINT_BULK_DATA 0x07 |
128 | #define ENDPOINT_ISOC_DATA 0x07 | |
48da7267 | 129 | #define ENDPOINT_FIRMWARE 0x05 |
1da177e4 | 130 | |
48da7267 | 131 | #define hex2int(c) ( (c >= '0') && (c <= '9') ? (c - '0') : ((c & 0xf) + 9) ) |
1da177e4 | 132 | |
6a4f1b41 DS |
133 | struct speedtch_params { |
134 | unsigned int altsetting; | |
135 | unsigned int BMaxDSL; | |
136 | unsigned char ModemMode; | |
137 | unsigned char ModemOption[MODEM_OPTION_LENGTH]; | |
138 | }; | |
139 | ||
1da177e4 | 140 | struct speedtch_instance_data { |
48da7267 DS |
141 | struct usbatm_data *usbatm; |
142 | ||
6a4f1b41 | 143 | struct speedtch_params params; /* set in probe, constant afterwards */ |
6f749475 | 144 | |
48da7267 | 145 | struct work_struct status_checker; |
1da177e4 | 146 | |
1a7aad15 DS |
147 | unsigned char last_status; |
148 | ||
48da7267 DS |
149 | int poll_delay; /* milliseconds */ |
150 | ||
151 | struct timer_list resubmit_timer; | |
1da177e4 LT |
152 | struct urb *int_urb; |
153 | unsigned char int_data[16]; | |
1da177e4 | 154 | |
6a4f1b41 | 155 | unsigned char scratch_buffer[16]; |
1da177e4 LT |
156 | }; |
157 | ||
158 | /*************** | |
159 | ** firmware ** | |
160 | ***************/ | |
161 | ||
48da7267 | 162 | static void speedtch_set_swbuff(struct speedtch_instance_data *instance, int state) |
1da177e4 | 163 | { |
48da7267 DS |
164 | struct usbatm_data *usbatm = instance->usbatm; |
165 | struct usb_device *usb_dev = usbatm->usb_dev; | |
1da177e4 LT |
166 | int ret; |
167 | ||
48da7267 DS |
168 | ret = usb_control_msg(usb_dev, usb_sndctrlpipe(usb_dev, 0), |
169 | 0x32, 0x40, state ? 0x01 : 0x00, 0x00, NULL, 0, CTRL_TIMEOUT); | |
170 | if (ret < 0) | |
171 | usb_warn(usbatm, | |
172 | "%sabling SW buffering: usb_control_msg returned %d\n", | |
173 | state ? "En" : "Dis", ret); | |
174 | else | |
175 | dbg("speedtch_set_swbuff: %sbled SW buffering", state ? "En" : "Dis"); | |
1da177e4 LT |
176 | } |
177 | ||
178 | static void speedtch_test_sequence(struct speedtch_instance_data *instance) | |
179 | { | |
48da7267 DS |
180 | struct usbatm_data *usbatm = instance->usbatm; |
181 | struct usb_device *usb_dev = usbatm->usb_dev; | |
182 | unsigned char *buf = instance->scratch_buffer; | |
1da177e4 LT |
183 | int ret; |
184 | ||
185 | /* URB 147 */ | |
186 | buf[0] = 0x1c; | |
187 | buf[1] = 0x50; | |
48da7267 DS |
188 | ret = usb_control_msg(usb_dev, usb_sndctrlpipe(usb_dev, 0), |
189 | 0x01, 0x40, 0x0b, 0x00, buf, 2, CTRL_TIMEOUT); | |
1da177e4 | 190 | if (ret < 0) |
48da7267 | 191 | usb_warn(usbatm, "%s failed on URB147: %d\n", __func__, ret); |
1da177e4 LT |
192 | |
193 | /* URB 148 */ | |
194 | buf[0] = 0x32; | |
195 | buf[1] = 0x00; | |
48da7267 DS |
196 | ret = usb_control_msg(usb_dev, usb_sndctrlpipe(usb_dev, 0), |
197 | 0x01, 0x40, 0x02, 0x00, buf, 2, CTRL_TIMEOUT); | |
1da177e4 | 198 | if (ret < 0) |
48da7267 | 199 | usb_warn(usbatm, "%s failed on URB148: %d\n", __func__, ret); |
1da177e4 LT |
200 | |
201 | /* URB 149 */ | |
202 | buf[0] = 0x01; | |
203 | buf[1] = 0x00; | |
204 | buf[2] = 0x01; | |
48da7267 DS |
205 | ret = usb_control_msg(usb_dev, usb_sndctrlpipe(usb_dev, 0), |
206 | 0x01, 0x40, 0x03, 0x00, buf, 3, CTRL_TIMEOUT); | |
1da177e4 | 207 | if (ret < 0) |
48da7267 | 208 | usb_warn(usbatm, "%s failed on URB149: %d\n", __func__, ret); |
1da177e4 LT |
209 | |
210 | /* URB 150 */ | |
211 | buf[0] = 0x01; | |
212 | buf[1] = 0x00; | |
213 | buf[2] = 0x01; | |
48da7267 DS |
214 | ret = usb_control_msg(usb_dev, usb_sndctrlpipe(usb_dev, 0), |
215 | 0x01, 0x40, 0x04, 0x00, buf, 3, CTRL_TIMEOUT); | |
1da177e4 | 216 | if (ret < 0) |
48da7267 | 217 | usb_warn(usbatm, "%s failed on URB150: %d\n", __func__, ret); |
6a4f1b41 DS |
218 | |
219 | /* Extra initialisation in recent drivers - gives higher speeds */ | |
220 | ||
221 | /* URBext1 */ | |
222 | buf[0] = instance->params.ModemMode; | |
223 | ret = usb_control_msg(usb_dev, usb_sndctrlpipe(usb_dev, 0), | |
224 | 0x01, 0x40, 0x11, 0x00, buf, 1, CTRL_TIMEOUT); | |
225 | if (ret < 0) | |
226 | usb_warn(usbatm, "%s failed on URBext1: %d\n", __func__, ret); | |
227 | ||
228 | /* URBext2 */ | |
229 | /* This seems to be the one which actually triggers the higher sync | |
230 | rate -- it does require the new firmware too, although it works OK | |
231 | with older firmware */ | |
232 | ret = usb_control_msg(usb_dev, usb_sndctrlpipe(usb_dev, 0), | |
233 | 0x01, 0x40, 0x14, 0x00, | |
234 | instance->params.ModemOption, | |
235 | MODEM_OPTION_LENGTH, CTRL_TIMEOUT); | |
236 | if (ret < 0) | |
237 | usb_warn(usbatm, "%s failed on URBext2: %d\n", __func__, ret); | |
238 | ||
239 | /* URBext3 */ | |
240 | buf[0] = instance->params.BMaxDSL & 0xff; | |
241 | buf[1] = instance->params.BMaxDSL >> 8; | |
242 | ret = usb_control_msg(usb_dev, usb_sndctrlpipe(usb_dev, 0), | |
243 | 0x01, 0x40, 0x12, 0x00, buf, 2, CTRL_TIMEOUT); | |
244 | if (ret < 0) | |
245 | usb_warn(usbatm, "%s failed on URBext3: %d\n", __func__, ret); | |
1da177e4 LT |
246 | } |
247 | ||
48da7267 DS |
248 | static int speedtch_upload_firmware(struct speedtch_instance_data *instance, |
249 | const struct firmware *fw1, | |
250 | const struct firmware *fw2) | |
1da177e4 | 251 | { |
48da7267 DS |
252 | unsigned char *buffer; |
253 | struct usbatm_data *usbatm = instance->usbatm; | |
254 | struct usb_interface *intf; | |
255 | struct usb_device *usb_dev = usbatm->usb_dev; | |
256 | int actual_length; | |
257 | int ret = 0; | |
258 | int offset; | |
259 | ||
260 | usb_dbg(usbatm, "%s entered\n", __func__); | |
261 | ||
262 | if (!(buffer = (unsigned char *)__get_free_page(GFP_KERNEL))) { | |
263 | ret = -ENOMEM; | |
264 | usb_dbg(usbatm, "%s: no memory for buffer!\n", __func__); | |
265 | goto out; | |
266 | } | |
267 | ||
268 | if (!(intf = usb_ifnum_to_if(usb_dev, 2))) { | |
269 | ret = -ENODEV; | |
270 | usb_dbg(usbatm, "%s: interface not found!\n", __func__); | |
271 | goto out_free; | |
272 | } | |
273 | ||
274 | /* URB 7 */ | |
275 | if (dl_512_first) { /* some modems need a read before writing the firmware */ | |
276 | ret = usb_bulk_msg(usb_dev, usb_rcvbulkpipe(usb_dev, ENDPOINT_FIRMWARE), | |
277 | buffer, 0x200, &actual_length, 2000); | |
278 | ||
279 | if (ret < 0 && ret != -ETIMEDOUT) | |
0ec3c7e8 | 280 | usb_warn(usbatm, "%s: read BLOCK0 from modem failed (%d)!\n", __func__, ret); |
48da7267 DS |
281 | else |
282 | usb_dbg(usbatm, "%s: BLOCK0 downloaded (%d bytes)\n", __func__, ret); | |
283 | } | |
284 | ||
285 | /* URB 8 : both leds are static green */ | |
286 | for (offset = 0; offset < fw1->size; offset += PAGE_SIZE) { | |
287 | int thislen = min_t(int, PAGE_SIZE, fw1->size - offset); | |
288 | memcpy(buffer, fw1->data + offset, thislen); | |
289 | ||
290 | ret = usb_bulk_msg(usb_dev, usb_sndbulkpipe(usb_dev, ENDPOINT_FIRMWARE), | |
291 | buffer, thislen, &actual_length, DATA_TIMEOUT); | |
292 | ||
293 | if (ret < 0) { | |
0ec3c7e8 | 294 | usb_err(usbatm, "%s: write BLOCK1 to modem failed (%d)!\n", __func__, ret); |
48da7267 DS |
295 | goto out_free; |
296 | } | |
297 | usb_dbg(usbatm, "%s: BLOCK1 uploaded (%zu bytes)\n", __func__, fw1->size); | |
298 | } | |
299 | ||
300 | /* USB led blinking green, ADSL led off */ | |
301 | ||
302 | /* URB 11 */ | |
303 | ret = usb_bulk_msg(usb_dev, usb_rcvbulkpipe(usb_dev, ENDPOINT_FIRMWARE), | |
304 | buffer, 0x200, &actual_length, DATA_TIMEOUT); | |
1da177e4 | 305 | |
1da177e4 | 306 | if (ret < 0) { |
0ec3c7e8 | 307 | usb_err(usbatm, "%s: read BLOCK2 from modem failed (%d)!\n", __func__, ret); |
48da7267 | 308 | goto out_free; |
1da177e4 | 309 | } |
48da7267 | 310 | usb_dbg(usbatm, "%s: BLOCK2 downloaded (%d bytes)\n", __func__, actual_length); |
1da177e4 | 311 | |
48da7267 DS |
312 | /* URBs 12 to 139 - USB led blinking green, ADSL led off */ |
313 | for (offset = 0; offset < fw2->size; offset += PAGE_SIZE) { | |
314 | int thislen = min_t(int, PAGE_SIZE, fw2->size - offset); | |
315 | memcpy(buffer, fw2->data + offset, thislen); | |
316 | ||
317 | ret = usb_bulk_msg(usb_dev, usb_sndbulkpipe(usb_dev, ENDPOINT_FIRMWARE), | |
318 | buffer, thislen, &actual_length, DATA_TIMEOUT); | |
319 | ||
320 | if (ret < 0) { | |
0ec3c7e8 | 321 | usb_err(usbatm, "%s: write BLOCK3 to modem failed (%d)!\n", __func__, ret); |
48da7267 DS |
322 | goto out_free; |
323 | } | |
324 | } | |
325 | usb_dbg(usbatm, "%s: BLOCK3 uploaded (%zu bytes)\n", __func__, fw2->size); | |
326 | ||
327 | /* USB led static green, ADSL led static red */ | |
328 | ||
329 | /* URB 142 */ | |
330 | ret = usb_bulk_msg(usb_dev, usb_rcvbulkpipe(usb_dev, ENDPOINT_FIRMWARE), | |
331 | buffer, 0x200, &actual_length, DATA_TIMEOUT); | |
332 | ||
333 | if (ret < 0) { | |
0ec3c7e8 | 334 | usb_err(usbatm, "%s: read BLOCK4 from modem failed (%d)!\n", __func__, ret); |
48da7267 DS |
335 | goto out_free; |
336 | } | |
337 | ||
338 | /* success */ | |
339 | usb_dbg(usbatm, "%s: BLOCK4 downloaded (%d bytes)\n", __func__, actual_length); | |
340 | ||
341 | /* Delay to allow firmware to start up. We can do this here | |
342 | because we're in our own kernel thread anyway. */ | |
343 | msleep_interruptible(1000); | |
344 | ||
6a4f1b41 DS |
345 | if ((ret = usb_set_interface(usb_dev, INTERFACE_DATA, instance->params.altsetting)) < 0) { |
346 | usb_err(usbatm, "%s: setting interface to %d failed (%d)!\n", __func__, instance->params.altsetting, ret); | |
6f749475 DS |
347 | goto out_free; |
348 | } | |
349 | ||
48da7267 DS |
350 | /* Enable software buffering, if requested */ |
351 | if (sw_buffering) | |
352 | speedtch_set_swbuff(instance, 1); | |
353 | ||
354 | /* Magic spell; don't ask us what this does */ | |
355 | speedtch_test_sequence(instance); | |
356 | ||
357 | ret = 0; | |
358 | ||
359 | out_free: | |
360 | free_page((unsigned long)buffer); | |
361 | out: | |
362 | return ret; | |
1da177e4 LT |
363 | } |
364 | ||
0ec3c7e8 DS |
365 | static int speedtch_find_firmware(struct usbatm_data *usbatm, struct usb_interface *intf, |
366 | int phase, const struct firmware **fw_p) | |
1da177e4 | 367 | { |
48da7267 DS |
368 | struct device *dev = &intf->dev; |
369 | const u16 bcdDevice = le16_to_cpu(interface_to_usbdev(intf)->descriptor.bcdDevice); | |
370 | const u8 major_revision = bcdDevice >> 8; | |
371 | const u8 minor_revision = bcdDevice & 0xff; | |
372 | char buf[24]; | |
1da177e4 | 373 | |
48da7267 | 374 | sprintf(buf, "speedtch-%d.bin.%x.%02x", phase, major_revision, minor_revision); |
0ec3c7e8 | 375 | usb_dbg(usbatm, "%s: looking for %s\n", __func__, buf); |
1da177e4 | 376 | |
48da7267 DS |
377 | if (request_firmware(fw_p, buf, dev)) { |
378 | sprintf(buf, "speedtch-%d.bin.%x", phase, major_revision); | |
0ec3c7e8 | 379 | usb_dbg(usbatm, "%s: looking for %s\n", __func__, buf); |
1da177e4 | 380 | |
48da7267 DS |
381 | if (request_firmware(fw_p, buf, dev)) { |
382 | sprintf(buf, "speedtch-%d.bin", phase); | |
0ec3c7e8 | 383 | usb_dbg(usbatm, "%s: looking for %s\n", __func__, buf); |
48da7267 DS |
384 | |
385 | if (request_firmware(fw_p, buf, dev)) { | |
0ec3c7e8 | 386 | usb_err(usbatm, "%s: no stage %d firmware found!\n", __func__, phase); |
48da7267 DS |
387 | return -ENOENT; |
388 | } | |
389 | } | |
1da177e4 LT |
390 | } |
391 | ||
0ec3c7e8 | 392 | usb_info(usbatm, "found stage %d firmware %s\n", phase, buf); |
1da177e4 | 393 | |
48da7267 DS |
394 | return 0; |
395 | } | |
396 | ||
397 | static int speedtch_heavy_init(struct usbatm_data *usbatm, struct usb_interface *intf) | |
398 | { | |
399 | const struct firmware *fw1, *fw2; | |
400 | struct speedtch_instance_data *instance = usbatm->driver_data; | |
401 | int ret; | |
402 | ||
0ec3c7e8 DS |
403 | if ((ret = speedtch_find_firmware(usbatm, intf, 1, &fw1)) < 0) |
404 | return ret; | |
48da7267 | 405 | |
0ec3c7e8 | 406 | if ((ret = speedtch_find_firmware(usbatm, intf, 2, &fw2)) < 0) { |
48da7267 DS |
407 | release_firmware(fw1); |
408 | return ret; | |
1da177e4 | 409 | } |
1da177e4 | 410 | |
0ec3c7e8 DS |
411 | if ((ret = speedtch_upload_firmware(instance, fw1, fw2)) < 0) |
412 | usb_err(usbatm, "%s: firmware upload failed (%d)!\n", __func__, ret); | |
48da7267 DS |
413 | |
414 | release_firmware(fw2); | |
415 | release_firmware(fw1); | |
1da177e4 | 416 | |
48da7267 | 417 | return ret; |
1da177e4 LT |
418 | } |
419 | ||
48da7267 DS |
420 | |
421 | /********** | |
422 | ** ATM ** | |
423 | **********/ | |
424 | ||
425 | static int speedtch_read_status(struct speedtch_instance_data *instance) | |
1da177e4 | 426 | { |
48da7267 DS |
427 | struct usbatm_data *usbatm = instance->usbatm; |
428 | struct usb_device *usb_dev = usbatm->usb_dev; | |
429 | unsigned char *buf = instance->scratch_buffer; | |
1da177e4 LT |
430 | int ret; |
431 | ||
6a4f1b41 | 432 | memset(buf, 0, 16); |
1da177e4 | 433 | |
48da7267 | 434 | ret = usb_control_msg(usb_dev, usb_rcvctrlpipe(usb_dev, 0), |
1da177e4 LT |
435 | 0x12, 0xc0, 0x07, 0x00, buf + OFFSET_7, SIZE_7, |
436 | CTRL_TIMEOUT); | |
437 | if (ret < 0) { | |
48da7267 | 438 | atm_dbg(usbatm, "%s: MSG 7 failed\n", __func__); |
1da177e4 LT |
439 | return ret; |
440 | } | |
441 | ||
48da7267 | 442 | ret = usb_control_msg(usb_dev, usb_rcvctrlpipe(usb_dev, 0), |
1da177e4 LT |
443 | 0x12, 0xc0, 0x0b, 0x00, buf + OFFSET_b, SIZE_b, |
444 | CTRL_TIMEOUT); | |
445 | if (ret < 0) { | |
48da7267 | 446 | atm_dbg(usbatm, "%s: MSG B failed\n", __func__); |
1da177e4 LT |
447 | return ret; |
448 | } | |
449 | ||
48da7267 | 450 | ret = usb_control_msg(usb_dev, usb_rcvctrlpipe(usb_dev, 0), |
1da177e4 LT |
451 | 0x12, 0xc0, 0x0d, 0x00, buf + OFFSET_d, SIZE_d, |
452 | CTRL_TIMEOUT); | |
453 | if (ret < 0) { | |
48da7267 | 454 | atm_dbg(usbatm, "%s: MSG D failed\n", __func__); |
1da177e4 LT |
455 | return ret; |
456 | } | |
457 | ||
48da7267 | 458 | ret = usb_control_msg(usb_dev, usb_rcvctrlpipe(usb_dev, 0), |
1da177e4 LT |
459 | 0x01, 0xc0, 0x0e, 0x00, buf + OFFSET_e, SIZE_e, |
460 | CTRL_TIMEOUT); | |
461 | if (ret < 0) { | |
48da7267 | 462 | atm_dbg(usbatm, "%s: MSG E failed\n", __func__); |
1da177e4 LT |
463 | return ret; |
464 | } | |
465 | ||
48da7267 | 466 | ret = usb_control_msg(usb_dev, usb_rcvctrlpipe(usb_dev, 0), |
1da177e4 LT |
467 | 0x01, 0xc0, 0x0f, 0x00, buf + OFFSET_f, SIZE_f, |
468 | CTRL_TIMEOUT); | |
469 | if (ret < 0) { | |
48da7267 | 470 | atm_dbg(usbatm, "%s: MSG F failed\n", __func__); |
1da177e4 LT |
471 | return ret; |
472 | } | |
473 | ||
474 | return 0; | |
475 | } | |
476 | ||
48da7267 | 477 | static int speedtch_start_synchro(struct speedtch_instance_data *instance) |
1da177e4 | 478 | { |
48da7267 DS |
479 | struct usbatm_data *usbatm = instance->usbatm; |
480 | struct usb_device *usb_dev = usbatm->usb_dev; | |
481 | unsigned char *buf = instance->scratch_buffer; | |
1da177e4 LT |
482 | int ret; |
483 | ||
48da7267 DS |
484 | atm_dbg(usbatm, "%s entered\n", __func__); |
485 | ||
486 | memset(buf, 0, 2); | |
487 | ||
488 | ret = usb_control_msg(usb_dev, usb_rcvctrlpipe(usb_dev, 0), | |
489 | 0x12, 0xc0, 0x04, 0x00, | |
490 | buf, 2, CTRL_TIMEOUT); | |
491 | ||
492 | if (ret < 0) | |
493 | atm_warn(usbatm, "failed to start ADSL synchronisation: %d\n", ret); | |
494 | else | |
495 | atm_dbg(usbatm, "%s: modem prodded. %d bytes returned: %02x %02x\n", | |
496 | __func__, ret, buf[0], buf[1]); | |
497 | ||
498 | return ret; | |
499 | } | |
500 | ||
501 | static void speedtch_check_status(struct speedtch_instance_data *instance) | |
502 | { | |
503 | struct usbatm_data *usbatm = instance->usbatm; | |
504 | struct atm_dev *atm_dev = usbatm->atm_dev; | |
505 | unsigned char *buf = instance->scratch_buffer; | |
1a7aad15 DS |
506 | int down_speed, up_speed, ret; |
507 | unsigned char status; | |
48da7267 | 508 | |
0ec3c7e8 | 509 | #ifdef VERBOSE_DEBUG |
48da7267 | 510 | atm_dbg(usbatm, "%s entered\n", __func__); |
0ec3c7e8 | 511 | #endif |
48da7267 DS |
512 | |
513 | ret = speedtch_read_status(instance); | |
514 | if (ret < 0) { | |
515 | atm_warn(usbatm, "error %d fetching device status\n", ret); | |
cd5c08fb | 516 | instance->poll_delay = min(2 * instance->poll_delay, MAX_POLL_DELAY); |
1da177e4 LT |
517 | return; |
518 | } | |
519 | ||
cd5c08fb | 520 | instance->poll_delay = max(instance->poll_delay / 2, MIN_POLL_DELAY); |
48da7267 | 521 | |
1a7aad15 | 522 | status = buf[OFFSET_7]; |
1da177e4 | 523 | |
1a7aad15 | 524 | if ((status != instance->last_status) || !status) { |
0ec3c7e8 DS |
525 | atm_dbg(usbatm, "%s: line state 0x%02x\n", __func__, status); |
526 | ||
1a7aad15 DS |
527 | switch (status) { |
528 | case 0: | |
48da7267 | 529 | atm_dev->signal = ATM_PHY_SIG_LOST; |
1a7aad15 | 530 | if (instance->last_status) |
52fbae2a | 531 | atm_info(usbatm, "ADSL line is down\n"); |
1a7aad15 | 532 | /* It may never resync again unless we ask it to... */ |
48da7267 | 533 | ret = speedtch_start_synchro(instance); |
1a7aad15 | 534 | break; |
1da177e4 | 535 | |
1a7aad15 | 536 | case 0x08: |
48da7267 | 537 | atm_dev->signal = ATM_PHY_SIG_UNKNOWN; |
52fbae2a | 538 | atm_info(usbatm, "ADSL line is blocked?\n"); |
1a7aad15 | 539 | break; |
1da177e4 | 540 | |
1a7aad15 | 541 | case 0x10: |
48da7267 | 542 | atm_dev->signal = ATM_PHY_SIG_LOST; |
52fbae2a | 543 | atm_info(usbatm, "ADSL line is synchronising\n"); |
1a7aad15 | 544 | break; |
1da177e4 | 545 | |
1a7aad15 DS |
546 | case 0x20: |
547 | down_speed = buf[OFFSET_b] | (buf[OFFSET_b + 1] << 8) | |
1da177e4 | 548 | | (buf[OFFSET_b + 2] << 16) | (buf[OFFSET_b + 3] << 24); |
1a7aad15 | 549 | up_speed = buf[OFFSET_b + 4] | (buf[OFFSET_b + 5] << 8) |
1da177e4 LT |
550 | | (buf[OFFSET_b + 6] << 16) | (buf[OFFSET_b + 7] << 24); |
551 | ||
48da7267 | 552 | if (!(down_speed & 0x0000ffff) && !(up_speed & 0x0000ffff)) { |
1da177e4 LT |
553 | down_speed >>= 16; |
554 | up_speed >>= 16; | |
555 | } | |
1da177e4 | 556 | |
48da7267 DS |
557 | atm_dev->link_rate = down_speed * 1000 / 424; |
558 | atm_dev->signal = ATM_PHY_SIG_FOUND; | |
559 | ||
560 | atm_info(usbatm, | |
322a95bc | 561 | "ADSL line is up (%d kb/s down | %d kb/s up)\n", |
48da7267 | 562 | down_speed, up_speed); |
1a7aad15 | 563 | break; |
1da177e4 | 564 | |
1a7aad15 | 565 | default: |
48da7267 | 566 | atm_dev->signal = ATM_PHY_SIG_UNKNOWN; |
0ec3c7e8 | 567 | atm_info(usbatm, "unknown line state %02x\n", status); |
1a7aad15 | 568 | break; |
1da177e4 | 569 | } |
1a7aad15 DS |
570 | |
571 | instance->last_status = status; | |
1da177e4 LT |
572 | } |
573 | } | |
574 | ||
48da7267 | 575 | static void speedtch_status_poll(unsigned long data) |
1da177e4 LT |
576 | { |
577 | struct speedtch_instance_data *instance = (void *)data; | |
578 | ||
48da7267 DS |
579 | schedule_work(&instance->status_checker); |
580 | ||
581 | /* The following check is racy, but the race is harmless */ | |
582 | if (instance->poll_delay < MAX_POLL_DELAY) | |
583 | mod_timer(&instance->status_checker.timer, jiffies + msecs_to_jiffies(instance->poll_delay)); | |
584 | else | |
52fbae2a | 585 | atm_warn(instance->usbatm, "Too many failures - disabling line status polling\n"); |
1da177e4 LT |
586 | } |
587 | ||
48da7267 | 588 | static void speedtch_resubmit_int(unsigned long data) |
1da177e4 | 589 | { |
48da7267 DS |
590 | struct speedtch_instance_data *instance = (void *)data; |
591 | struct urb *int_urb = instance->int_urb; | |
592 | int ret; | |
1da177e4 | 593 | |
48da7267 | 594 | atm_dbg(instance->usbatm, "%s entered\n", __func__); |
1da177e4 | 595 | |
48da7267 DS |
596 | if (int_urb) { |
597 | ret = usb_submit_urb(int_urb, GFP_ATOMIC); | |
598 | if (!ret) | |
599 | schedule_work(&instance->status_checker); | |
600 | else { | |
601 | atm_dbg(instance->usbatm, "%s: usb_submit_urb failed with result %d\n", __func__, ret); | |
602 | mod_timer(&instance->resubmit_timer, jiffies + msecs_to_jiffies(RESUBMIT_DELAY)); | |
1da177e4 | 603 | } |
1da177e4 | 604 | } |
48da7267 | 605 | } |
1da177e4 | 606 | |
7d12e780 | 607 | static void speedtch_handle_int(struct urb *int_urb) |
48da7267 DS |
608 | { |
609 | struct speedtch_instance_data *instance = int_urb->context; | |
610 | struct usbatm_data *usbatm = instance->usbatm; | |
611 | unsigned int count = int_urb->actual_length; | |
612 | int ret = int_urb->status; | |
1da177e4 | 613 | |
48da7267 | 614 | /* The magic interrupt for "up state" */ |
3c6bee1d | 615 | static const unsigned char up_int[6] = { 0xa1, 0x00, 0x01, 0x00, 0x00, 0x00 }; |
48da7267 | 616 | /* The magic interrupt for "down state" */ |
3c6bee1d | 617 | static const unsigned char down_int[6] = { 0xa1, 0x00, 0x00, 0x00, 0x00, 0x00 }; |
48da7267 DS |
618 | |
619 | atm_dbg(usbatm, "%s entered\n", __func__); | |
1da177e4 LT |
620 | |
621 | if (ret < 0) { | |
48da7267 DS |
622 | atm_dbg(usbatm, "%s: nonzero urb status %d!\n", __func__, ret); |
623 | goto fail; | |
1da177e4 | 624 | } |
1da177e4 | 625 | |
48da7267 DS |
626 | if ((count == 6) && !memcmp(up_int, instance->int_data, 6)) { |
627 | del_timer(&instance->status_checker.timer); | |
52fbae2a | 628 | atm_info(usbatm, "DSL line goes up\n"); |
48da7267 | 629 | } else if ((count == 6) && !memcmp(down_int, instance->int_data, 6)) { |
52fbae2a | 630 | atm_info(usbatm, "DSL line goes down\n"); |
48da7267 DS |
631 | } else { |
632 | int i; | |
1da177e4 | 633 | |
48da7267 DS |
634 | atm_dbg(usbatm, "%s: unknown interrupt packet of length %d:", __func__, count); |
635 | for (i = 0; i < count; i++) | |
636 | printk(" %02x", instance->int_data[i]); | |
637 | printk("\n"); | |
638 | goto fail; | |
639 | } | |
1da177e4 | 640 | |
48da7267 DS |
641 | if ((int_urb = instance->int_urb)) { |
642 | ret = usb_submit_urb(int_urb, GFP_ATOMIC); | |
643 | schedule_work(&instance->status_checker); | |
1da177e4 | 644 | if (ret < 0) { |
48da7267 DS |
645 | atm_dbg(usbatm, "%s: usb_submit_urb failed with result %d\n", __func__, ret); |
646 | goto fail; | |
1da177e4 LT |
647 | } |
648 | } | |
1da177e4 | 649 | |
1da177e4 LT |
650 | return; |
651 | ||
48da7267 DS |
652 | fail: |
653 | if ((int_urb = instance->int_urb)) | |
654 | mod_timer(&instance->resubmit_timer, jiffies + msecs_to_jiffies(RESUBMIT_DELAY)); | |
1da177e4 LT |
655 | } |
656 | ||
48da7267 | 657 | static int speedtch_atm_start(struct usbatm_data *usbatm, struct atm_dev *atm_dev) |
1da177e4 | 658 | { |
48da7267 DS |
659 | struct usb_device *usb_dev = usbatm->usb_dev; |
660 | struct speedtch_instance_data *instance = usbatm->driver_data; | |
661 | int i, ret; | |
662 | unsigned char mac_str[13]; | |
1da177e4 | 663 | |
48da7267 | 664 | atm_dbg(usbatm, "%s entered\n", __func__); |
1da177e4 | 665 | |
48da7267 DS |
666 | /* Set MAC address, it is stored in the serial number */ |
667 | memset(atm_dev->esi, 0, sizeof(atm_dev->esi)); | |
668 | if (usb_string(usb_dev, usb_dev->descriptor.iSerialNumber, mac_str, sizeof(mac_str)) == 12) { | |
669 | for (i = 0; i < 6; i++) | |
670 | atm_dev->esi[i] = (hex2int(mac_str[i * 2]) * 16) + (hex2int(mac_str[i * 2 + 1])); | |
671 | } | |
1da177e4 | 672 | |
48da7267 DS |
673 | /* Start modem synchronisation */ |
674 | ret = speedtch_start_synchro(instance); | |
1da177e4 | 675 | |
48da7267 DS |
676 | /* Set up interrupt endpoint */ |
677 | if (instance->int_urb) { | |
678 | ret = usb_submit_urb(instance->int_urb, GFP_KERNEL); | |
679 | if (ret < 0) { | |
680 | /* Doesn't matter; we'll poll anyway */ | |
681 | atm_dbg(usbatm, "%s: submission of interrupt URB failed (%d)!\n", __func__, ret); | |
682 | usb_free_urb(instance->int_urb); | |
683 | instance->int_urb = NULL; | |
1da177e4 | 684 | } |
1da177e4 LT |
685 | } |
686 | ||
48da7267 DS |
687 | /* Start status polling */ |
688 | mod_timer(&instance->status_checker.timer, jiffies + msecs_to_jiffies(1000)); | |
1da177e4 | 689 | |
1da177e4 LT |
690 | return 0; |
691 | } | |
1da177e4 | 692 | |
48da7267 | 693 | static void speedtch_atm_stop(struct usbatm_data *usbatm, struct atm_dev *atm_dev) |
1da177e4 | 694 | { |
48da7267 DS |
695 | struct speedtch_instance_data *instance = usbatm->driver_data; |
696 | struct urb *int_urb = instance->int_urb; | |
697 | ||
698 | atm_dbg(usbatm, "%s entered\n", __func__); | |
699 | ||
700 | del_timer_sync(&instance->status_checker.timer); | |
701 | ||
702 | /* | |
703 | * Since resubmit_timer and int_urb can schedule themselves and | |
704 | * each other, shutting them down correctly takes some care | |
705 | */ | |
706 | instance->int_urb = NULL; /* signal shutdown */ | |
707 | mb(); | |
708 | usb_kill_urb(int_urb); | |
709 | del_timer_sync(&instance->resubmit_timer); | |
710 | /* | |
711 | * At this point, speedtch_handle_int and speedtch_resubmit_int | |
712 | * can run or be running, but instance->int_urb == NULL means that | |
713 | * they will not reschedule | |
714 | */ | |
715 | usb_kill_urb(int_urb); | |
716 | del_timer_sync(&instance->resubmit_timer); | |
717 | usb_free_urb(int_urb); | |
1da177e4 | 718 | |
48da7267 DS |
719 | flush_scheduled_work(); |
720 | } | |
1da177e4 | 721 | |
1da177e4 | 722 | |
48da7267 DS |
723 | /********** |
724 | ** USB ** | |
725 | **********/ | |
1da177e4 | 726 | |
48da7267 DS |
727 | static struct usb_device_id speedtch_usb_ids[] = { |
728 | {USB_DEVICE(0x06b9, 0x4061)}, | |
729 | {} | |
730 | }; | |
1da177e4 | 731 | |
48da7267 | 732 | MODULE_DEVICE_TABLE(usb, speedtch_usb_ids); |
1da177e4 | 733 | |
48da7267 | 734 | static int speedtch_usb_probe(struct usb_interface *, const struct usb_device_id *); |
1da177e4 | 735 | |
48da7267 | 736 | static struct usb_driver speedtch_usb_driver = { |
48da7267 DS |
737 | .name = speedtch_driver_name, |
738 | .probe = speedtch_usb_probe, | |
739 | .disconnect = usbatm_usb_disconnect, | |
740 | .id_table = speedtch_usb_ids | |
741 | }; | |
1da177e4 | 742 | |
48da7267 DS |
743 | static void speedtch_release_interfaces(struct usb_device *usb_dev, int num_interfaces) { |
744 | struct usb_interface *cur_intf; | |
745 | int i; | |
1da177e4 | 746 | |
48da7267 DS |
747 | for(i = 0; i < num_interfaces; i++) |
748 | if ((cur_intf = usb_ifnum_to_if(usb_dev, i))) { | |
749 | usb_set_intfdata(cur_intf, NULL); | |
750 | usb_driver_release_interface(&speedtch_usb_driver, cur_intf); | |
751 | } | |
1da177e4 LT |
752 | } |
753 | ||
48da7267 DS |
754 | static int speedtch_bind(struct usbatm_data *usbatm, |
755 | struct usb_interface *intf, | |
35644b0c | 756 | const struct usb_device_id *id) |
1da177e4 | 757 | { |
48da7267 | 758 | struct usb_device *usb_dev = interface_to_usbdev(intf); |
80aae7a1 | 759 | struct usb_interface *cur_intf, *data_intf; |
48da7267 DS |
760 | struct speedtch_instance_data *instance; |
761 | int ifnum = intf->altsetting->desc.bInterfaceNumber; | |
762 | int num_interfaces = usb_dev->actconfig->desc.bNumInterfaces; | |
763 | int i, ret; | |
80aae7a1 | 764 | int use_isoc; |
1da177e4 | 765 | |
48da7267 | 766 | usb_dbg(usbatm, "%s entered\n", __func__); |
1da177e4 | 767 | |
0ec3c7e8 DS |
768 | /* sanity checks */ |
769 | ||
48da7267 | 770 | if (usb_dev->descriptor.bDeviceClass != USB_CLASS_VENDOR_SPEC) { |
0ec3c7e8 | 771 | usb_err(usbatm, "%s: wrong device class %d\n", __func__, usb_dev->descriptor.bDeviceClass); |
1da177e4 LT |
772 | return -ENODEV; |
773 | } | |
774 | ||
80aae7a1 DS |
775 | if (!(data_intf = usb_ifnum_to_if(usb_dev, INTERFACE_DATA))) { |
776 | usb_err(usbatm, "%s: data interface not found!\n", __func__); | |
777 | return -ENODEV; | |
778 | } | |
779 | ||
48da7267 | 780 | /* claim all interfaces */ |
1da177e4 | 781 | |
48da7267 DS |
782 | for (i=0; i < num_interfaces; i++) { |
783 | cur_intf = usb_ifnum_to_if(usb_dev, i); | |
1da177e4 | 784 | |
48da7267 DS |
785 | if ((i != ifnum) && cur_intf) { |
786 | ret = usb_driver_claim_interface(&speedtch_usb_driver, cur_intf, usbatm); | |
1da177e4 | 787 | |
48da7267 | 788 | if (ret < 0) { |
0ec3c7e8 | 789 | usb_err(usbatm, "%s: failed to claim interface %2d (%d)!\n", __func__, i, ret); |
48da7267 DS |
790 | speedtch_release_interfaces(usb_dev, i); |
791 | return ret; | |
792 | } | |
793 | } | |
794 | } | |
1da177e4 | 795 | |
9a734efe | 796 | instance = kzalloc(sizeof(*instance), GFP_KERNEL); |
48da7267 | 797 | |
1da177e4 | 798 | if (!instance) { |
0ec3c7e8 | 799 | usb_err(usbatm, "%s: no memory for instance data!\n", __func__); |
48da7267 DS |
800 | ret = -ENOMEM; |
801 | goto fail_release; | |
1da177e4 LT |
802 | } |
803 | ||
48da7267 | 804 | instance->usbatm = usbatm; |
1da177e4 | 805 | |
6a4f1b41 DS |
806 | /* module parameters may change at any moment, so take a snapshot */ |
807 | instance->params.altsetting = altsetting; | |
808 | instance->params.BMaxDSL = BMaxDSL; | |
809 | instance->params.ModemMode = ModemMode; | |
810 | memcpy(instance->params.ModemOption, DEFAULT_MODEM_OPTION, MODEM_OPTION_LENGTH); | |
811 | memcpy(instance->params.ModemOption, ModemOption, num_ModemOption); | |
80aae7a1 | 812 | use_isoc = enable_isoc; |
6f749475 | 813 | |
6a4f1b41 DS |
814 | if (instance->params.altsetting) |
815 | if ((ret = usb_set_interface(usb_dev, INTERFACE_DATA, instance->params.altsetting)) < 0) { | |
816 | usb_err(usbatm, "%s: setting interface to %2d failed (%d)!\n", __func__, instance->params.altsetting, ret); | |
817 | instance->params.altsetting = 0; /* fall back to default */ | |
6f749475 DS |
818 | } |
819 | ||
6a4f1b41 | 820 | if (!instance->params.altsetting && use_isoc) |
80aae7a1 DS |
821 | if ((ret = usb_set_interface(usb_dev, INTERFACE_DATA, DEFAULT_ISOC_ALTSETTING)) < 0) { |
822 | usb_dbg(usbatm, "%s: setting interface to %2d failed (%d)!\n", __func__, DEFAULT_ISOC_ALTSETTING, ret); | |
823 | use_isoc = 0; /* fall back to bulk */ | |
6f749475 | 824 | } |
80aae7a1 DS |
825 | |
826 | if (use_isoc) { | |
827 | const struct usb_host_interface *desc = data_intf->cur_altsetting; | |
828 | const __u8 target_address = USB_DIR_IN | usbatm->driver->isoc_in; | |
829 | int i; | |
830 | ||
831 | use_isoc = 0; /* fall back to bulk if endpoint not found */ | |
832 | ||
833 | for (i=0; i<desc->desc.bNumEndpoints; i++) { | |
834 | const struct usb_endpoint_descriptor *endpoint_desc = &desc->endpoint[i].desc; | |
835 | ||
836 | if ((endpoint_desc->bEndpointAddress == target_address)) { | |
837 | use_isoc = (endpoint_desc->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) == | |
838 | USB_ENDPOINT_XFER_ISOC; | |
839 | break; | |
840 | } | |
841 | } | |
842 | ||
843 | if (!use_isoc) | |
844 | usb_info(usbatm, "isochronous transfer not supported - using bulk\n"); | |
6f749475 DS |
845 | } |
846 | ||
6a4f1b41 | 847 | if (!use_isoc && !instance->params.altsetting) |
80aae7a1 DS |
848 | if ((ret = usb_set_interface(usb_dev, INTERFACE_DATA, DEFAULT_BULK_ALTSETTING)) < 0) { |
849 | usb_err(usbatm, "%s: setting interface to %2d failed (%d)!\n", __func__, DEFAULT_BULK_ALTSETTING, ret); | |
850 | goto fail_free; | |
851 | } | |
852 | ||
6a4f1b41 DS |
853 | if (!instance->params.altsetting) |
854 | instance->params.altsetting = use_isoc ? DEFAULT_ISOC_ALTSETTING : DEFAULT_BULK_ALTSETTING; | |
80aae7a1 DS |
855 | |
856 | usbatm->flags |= (use_isoc ? UDSL_USE_ISOC : 0); | |
857 | ||
48da7267 | 858 | INIT_WORK(&instance->status_checker, (void *)speedtch_check_status, instance); |
1da177e4 | 859 | |
48da7267 DS |
860 | instance->status_checker.timer.function = speedtch_status_poll; |
861 | instance->status_checker.timer.data = (unsigned long)instance; | |
1a7aad15 | 862 | instance->last_status = 0xff; |
48da7267 | 863 | instance->poll_delay = MIN_POLL_DELAY; |
1da177e4 | 864 | |
48da7267 DS |
865 | init_timer(&instance->resubmit_timer); |
866 | instance->resubmit_timer.function = speedtch_resubmit_int; | |
867 | instance->resubmit_timer.data = (unsigned long)instance; | |
1da177e4 | 868 | |
48da7267 | 869 | instance->int_urb = usb_alloc_urb(0, GFP_KERNEL); |
1da177e4 | 870 | |
48da7267 DS |
871 | if (instance->int_urb) |
872 | usb_fill_int_urb(instance->int_urb, usb_dev, | |
873 | usb_rcvintpipe(usb_dev, ENDPOINT_INT), | |
874 | instance->int_data, sizeof(instance->int_data), | |
875 | speedtch_handle_int, instance, 50); | |
876 | else | |
877 | usb_dbg(usbatm, "%s: no memory for interrupt urb!\n", __func__); | |
1da177e4 | 878 | |
48da7267 DS |
879 | /* check whether the modem already seems to be alive */ |
880 | ret = usb_control_msg(usb_dev, usb_rcvctrlpipe(usb_dev, 0), | |
881 | 0x12, 0xc0, 0x07, 0x00, | |
882 | instance->scratch_buffer + OFFSET_7, SIZE_7, 500); | |
1da177e4 | 883 | |
80aae7a1 | 884 | usbatm->flags |= (ret == SIZE_7 ? UDSL_SKIP_HEAVY_INIT : 0); |
1da177e4 | 885 | |
35644b0c | 886 | usb_dbg(usbatm, "%s: firmware %s loaded\n", __func__, usbatm->flags & UDSL_SKIP_HEAVY_INIT ? "already" : "not"); |
48da7267 | 887 | |
35644b0c | 888 | if (!(usbatm->flags & UDSL_SKIP_HEAVY_INIT)) |
0ec3c7e8 DS |
889 | if ((ret = usb_reset_device(usb_dev)) < 0) { |
890 | usb_err(usbatm, "%s: device reset failed (%d)!\n", __func__, ret); | |
48da7267 | 891 | goto fail_free; |
0ec3c7e8 | 892 | } |
1da177e4 | 893 | |
48da7267 | 894 | usbatm->driver_data = instance; |
1da177e4 LT |
895 | |
896 | return 0; | |
897 | ||
48da7267 DS |
898 | fail_free: |
899 | usb_free_urb(instance->int_urb); | |
1da177e4 | 900 | kfree(instance); |
48da7267 DS |
901 | fail_release: |
902 | speedtch_release_interfaces(usb_dev, num_interfaces); | |
903 | return ret; | |
1da177e4 LT |
904 | } |
905 | ||
48da7267 | 906 | static void speedtch_unbind(struct usbatm_data *usbatm, struct usb_interface *intf) |
1da177e4 | 907 | { |
48da7267 DS |
908 | struct usb_device *usb_dev = interface_to_usbdev(intf); |
909 | struct speedtch_instance_data *instance = usbatm->driver_data; | |
1da177e4 | 910 | |
48da7267 | 911 | usb_dbg(usbatm, "%s entered\n", __func__); |
1da177e4 | 912 | |
48da7267 DS |
913 | speedtch_release_interfaces(usb_dev, usb_dev->actconfig->desc.bNumInterfaces); |
914 | usb_free_urb(instance->int_urb); | |
915 | kfree(instance); | |
1da177e4 LT |
916 | } |
917 | ||
48da7267 | 918 | |
1da177e4 LT |
919 | /*********** |
920 | ** init ** | |
921 | ***********/ | |
922 | ||
48da7267 | 923 | static struct usbatm_driver speedtch_usbatm_driver = { |
48da7267 DS |
924 | .driver_name = speedtch_driver_name, |
925 | .bind = speedtch_bind, | |
926 | .heavy_init = speedtch_heavy_init, | |
927 | .unbind = speedtch_unbind, | |
928 | .atm_start = speedtch_atm_start, | |
929 | .atm_stop = speedtch_atm_stop, | |
80aae7a1 DS |
930 | .bulk_in = ENDPOINT_BULK_DATA, |
931 | .bulk_out = ENDPOINT_BULK_DATA, | |
932 | .isoc_in = ENDPOINT_ISOC_DATA | |
48da7267 DS |
933 | }; |
934 | ||
935 | static int speedtch_usb_probe(struct usb_interface *intf, const struct usb_device_id *id) | |
936 | { | |
937 | return usbatm_usb_probe(intf, id, &speedtch_usbatm_driver); | |
938 | } | |
939 | ||
1da177e4 LT |
940 | static int __init speedtch_usb_init(void) |
941 | { | |
48da7267 | 942 | dbg("%s: driver version %s", __func__, DRIVER_VERSION); |
1da177e4 LT |
943 | |
944 | return usb_register(&speedtch_usb_driver); | |
945 | } | |
946 | ||
947 | static void __exit speedtch_usb_cleanup(void) | |
948 | { | |
48da7267 | 949 | dbg("%s", __func__); |
1da177e4 LT |
950 | |
951 | usb_deregister(&speedtch_usb_driver); | |
952 | } | |
953 | ||
954 | module_init(speedtch_usb_init); | |
955 | module_exit(speedtch_usb_cleanup); | |
956 | ||
957 | MODULE_AUTHOR(DRIVER_AUTHOR); | |
958 | MODULE_DESCRIPTION(DRIVER_DESC); | |
959 | MODULE_LICENSE("GPL"); | |
960 | MODULE_VERSION(DRIVER_VERSION); |