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Commit | Line | Data |
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5fd54ace | 1 | // SPDX-License-Identifier: GPL-2.0+ |
1da177e4 LT |
2 | /****************************************************************************** |
3 | * speedtch.c - Alcatel SpeedTouch USB xDSL modem driver | |
4 | * | |
5 | * Copyright (C) 2001, Alcatel | |
6 | * Copyright (C) 2003, Duncan Sands | |
7 | * Copyright (C) 2004, David Woodhouse | |
8 | * | |
48da7267 | 9 | * Based on "modem_run.c", copyright (C) 2001, Benoit Papillault |
1da177e4 LT |
10 | ******************************************************************************/ |
11 | ||
48da7267 DS |
12 | #include <asm/page.h> |
13 | #include <linux/device.h> | |
14 | #include <linux/errno.h> | |
15 | #include <linux/firmware.h> | |
1da177e4 | 16 | #include <linux/kernel.h> |
48da7267 DS |
17 | #include <linux/module.h> |
18 | #include <linux/moduleparam.h> | |
1da177e4 | 19 | #include <linux/slab.h> |
48da7267 DS |
20 | #include <linux/stat.h> |
21 | #include <linux/timer.h> | |
80aae7a1 | 22 | #include <linux/types.h> |
5f848137 | 23 | #include <linux/usb/ch9.h> |
48da7267 | 24 | #include <linux/workqueue.h> |
1da177e4 | 25 | |
48da7267 | 26 | #include "usbatm.h" |
1da177e4 LT |
27 | |
28 | #define DRIVER_AUTHOR "Johan Verrept, Duncan Sands <duncan.sands@free.fr>" | |
9acd6b2a | 29 | #define DRIVER_DESC "Alcatel SpeedTouch USB driver" |
1da177e4 LT |
30 | |
31 | static const char speedtch_driver_name[] = "speedtch"; | |
32 | ||
48da7267 DS |
33 | #define CTRL_TIMEOUT 2000 /* milliseconds */ |
34 | #define DATA_TIMEOUT 2000 /* milliseconds */ | |
1da177e4 | 35 | |
48da7267 DS |
36 | #define OFFSET_7 0 /* size 1 */ |
37 | #define OFFSET_b 1 /* size 8 */ | |
38 | #define OFFSET_d 9 /* size 4 */ | |
39 | #define OFFSET_e 13 /* size 1 */ | |
40 | #define OFFSET_f 14 /* size 1 */ | |
1da177e4 | 41 | |
48da7267 DS |
42 | #define SIZE_7 1 |
43 | #define SIZE_b 8 | |
44 | #define SIZE_d 4 | |
45 | #define SIZE_e 1 | |
46 | #define SIZE_f 1 | |
1da177e4 | 47 | |
48da7267 DS |
48 | #define MIN_POLL_DELAY 5000 /* milliseconds */ |
49 | #define MAX_POLL_DELAY 60000 /* milliseconds */ | |
1da177e4 | 50 | |
48da7267 | 51 | #define RESUBMIT_DELAY 1000 /* milliseconds */ |
1da177e4 | 52 | |
80aae7a1 | 53 | #define DEFAULT_BULK_ALTSETTING 1 |
67c752b4 | 54 | #define DEFAULT_ISOC_ALTSETTING 3 |
48da7267 | 55 | #define DEFAULT_DL_512_FIRST 0 |
80aae7a1 | 56 | #define DEFAULT_ENABLE_ISOC 0 |
48da7267 | 57 | #define DEFAULT_SW_BUFFERING 0 |
1da177e4 | 58 | |
80aae7a1 | 59 | static unsigned int altsetting = 0; /* zero means: use the default */ |
90ab5ee9 RR |
60 | static bool dl_512_first = DEFAULT_DL_512_FIRST; |
61 | static bool enable_isoc = DEFAULT_ENABLE_ISOC; | |
62 | static bool sw_buffering = DEFAULT_SW_BUFFERING; | |
1da177e4 | 63 | |
6a4f1b41 DS |
64 | #define DEFAULT_B_MAX_DSL 8128 |
65 | #define DEFAULT_MODEM_MODE 11 | |
66 | #define MODEM_OPTION_LENGTH 16 | |
67 | static const unsigned char DEFAULT_MODEM_OPTION[MODEM_OPTION_LENGTH] = { | |
68 | 0x10, 0x00, 0x00, 0x00, 0x20, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 | |
69 | }; | |
70 | ||
71 | static unsigned int BMaxDSL = DEFAULT_B_MAX_DSL; | |
72 | static unsigned char ModemMode = DEFAULT_MODEM_MODE; | |
73 | static unsigned char ModemOption[MODEM_OPTION_LENGTH]; | |
64a6f950 | 74 | static unsigned int num_ModemOption; |
6a4f1b41 | 75 | |
80aae7a1 | 76 | module_param(altsetting, uint, S_IRUGO | S_IWUSR); |
48da7267 | 77 | MODULE_PARM_DESC(altsetting, |
80aae7a1 DS |
78 | "Alternative setting for data interface (bulk_default: " |
79 | __MODULE_STRING(DEFAULT_BULK_ALTSETTING) "; isoc_default: " | |
80 | __MODULE_STRING(DEFAULT_ISOC_ALTSETTING) ")"); | |
1da177e4 | 81 | |
48da7267 DS |
82 | module_param(dl_512_first, bool, S_IRUGO | S_IWUSR); |
83 | MODULE_PARM_DESC(dl_512_first, | |
84 | "Read 512 bytes before sending firmware (default: " | |
85 | __MODULE_STRING(DEFAULT_DL_512_FIRST) ")"); | |
1da177e4 | 86 | |
80aae7a1 DS |
87 | module_param(enable_isoc, bool, S_IRUGO | S_IWUSR); |
88 | MODULE_PARM_DESC(enable_isoc, | |
89 | "Use isochronous transfers if available (default: " | |
90 | __MODULE_STRING(DEFAULT_ENABLE_ISOC) ")"); | |
91 | ||
48da7267 DS |
92 | module_param(sw_buffering, bool, S_IRUGO | S_IWUSR); |
93 | MODULE_PARM_DESC(sw_buffering, | |
94 | "Enable software buffering (default: " | |
95 | __MODULE_STRING(DEFAULT_SW_BUFFERING) ")"); | |
1da177e4 | 96 | |
6a4f1b41 DS |
97 | module_param(BMaxDSL, uint, S_IRUGO | S_IWUSR); |
98 | MODULE_PARM_DESC(BMaxDSL, | |
99 | "default: " __MODULE_STRING(DEFAULT_B_MAX_DSL)); | |
100 | ||
101 | module_param(ModemMode, byte, S_IRUGO | S_IWUSR); | |
102 | MODULE_PARM_DESC(ModemMode, | |
103 | "default: " __MODULE_STRING(DEFAULT_MODEM_MODE)); | |
104 | ||
105 | module_param_array(ModemOption, byte, &num_ModemOption, S_IRUGO); | |
106 | MODULE_PARM_DESC(ModemOption, "default: 0x10,0x00,0x00,0x00,0x20"); | |
107 | ||
6f749475 | 108 | #define INTERFACE_DATA 1 |
48da7267 | 109 | #define ENDPOINT_INT 0x81 |
80aae7a1 DS |
110 | #define ENDPOINT_BULK_DATA 0x07 |
111 | #define ENDPOINT_ISOC_DATA 0x07 | |
48da7267 | 112 | #define ENDPOINT_FIRMWARE 0x05 |
1da177e4 | 113 | |
6a4f1b41 DS |
114 | struct speedtch_params { |
115 | unsigned int altsetting; | |
116 | unsigned int BMaxDSL; | |
117 | unsigned char ModemMode; | |
118 | unsigned char ModemOption[MODEM_OPTION_LENGTH]; | |
119 | }; | |
120 | ||
1da177e4 | 121 | struct speedtch_instance_data { |
48da7267 DS |
122 | struct usbatm_data *usbatm; |
123 | ||
6a4f1b41 | 124 | struct speedtch_params params; /* set in probe, constant afterwards */ |
6f749475 | 125 | |
37c95bfe TH |
126 | struct timer_list status_check_timer; |
127 | struct work_struct status_check_work; | |
1da177e4 | 128 | |
1a7aad15 DS |
129 | unsigned char last_status; |
130 | ||
48da7267 DS |
131 | int poll_delay; /* milliseconds */ |
132 | ||
133 | struct timer_list resubmit_timer; | |
1da177e4 LT |
134 | struct urb *int_urb; |
135 | unsigned char int_data[16]; | |
1da177e4 | 136 | |
6a4f1b41 | 137 | unsigned char scratch_buffer[16]; |
1da177e4 LT |
138 | }; |
139 | ||
140 | /*************** | |
141 | ** firmware ** | |
142 | ***************/ | |
143 | ||
48da7267 | 144 | static void speedtch_set_swbuff(struct speedtch_instance_data *instance, int state) |
1da177e4 | 145 | { |
48da7267 DS |
146 | struct usbatm_data *usbatm = instance->usbatm; |
147 | struct usb_device *usb_dev = usbatm->usb_dev; | |
1da177e4 LT |
148 | int ret; |
149 | ||
48da7267 DS |
150 | ret = usb_control_msg(usb_dev, usb_sndctrlpipe(usb_dev, 0), |
151 | 0x32, 0x40, state ? 0x01 : 0x00, 0x00, NULL, 0, CTRL_TIMEOUT); | |
152 | if (ret < 0) | |
153 | usb_warn(usbatm, | |
154 | "%sabling SW buffering: usb_control_msg returned %d\n", | |
155 | state ? "En" : "Dis", ret); | |
156 | else | |
d8995425 | 157 | usb_dbg(usbatm, "speedtch_set_swbuff: %sbled SW buffering\n", state ? "En" : "Dis"); |
1da177e4 LT |
158 | } |
159 | ||
160 | static void speedtch_test_sequence(struct speedtch_instance_data *instance) | |
161 | { | |
48da7267 DS |
162 | struct usbatm_data *usbatm = instance->usbatm; |
163 | struct usb_device *usb_dev = usbatm->usb_dev; | |
164 | unsigned char *buf = instance->scratch_buffer; | |
1da177e4 LT |
165 | int ret; |
166 | ||
167 | /* URB 147 */ | |
168 | buf[0] = 0x1c; | |
169 | buf[1] = 0x50; | |
48da7267 DS |
170 | ret = usb_control_msg(usb_dev, usb_sndctrlpipe(usb_dev, 0), |
171 | 0x01, 0x40, 0x0b, 0x00, buf, 2, CTRL_TIMEOUT); | |
1da177e4 | 172 | if (ret < 0) |
48da7267 | 173 | usb_warn(usbatm, "%s failed on URB147: %d\n", __func__, ret); |
1da177e4 LT |
174 | |
175 | /* URB 148 */ | |
176 | buf[0] = 0x32; | |
177 | buf[1] = 0x00; | |
48da7267 DS |
178 | ret = usb_control_msg(usb_dev, usb_sndctrlpipe(usb_dev, 0), |
179 | 0x01, 0x40, 0x02, 0x00, buf, 2, CTRL_TIMEOUT); | |
1da177e4 | 180 | if (ret < 0) |
48da7267 | 181 | usb_warn(usbatm, "%s failed on URB148: %d\n", __func__, ret); |
1da177e4 LT |
182 | |
183 | /* URB 149 */ | |
184 | buf[0] = 0x01; | |
185 | buf[1] = 0x00; | |
186 | buf[2] = 0x01; | |
48da7267 DS |
187 | ret = usb_control_msg(usb_dev, usb_sndctrlpipe(usb_dev, 0), |
188 | 0x01, 0x40, 0x03, 0x00, buf, 3, CTRL_TIMEOUT); | |
1da177e4 | 189 | if (ret < 0) |
48da7267 | 190 | usb_warn(usbatm, "%s failed on URB149: %d\n", __func__, ret); |
1da177e4 LT |
191 | |
192 | /* URB 150 */ | |
193 | buf[0] = 0x01; | |
194 | buf[1] = 0x00; | |
195 | buf[2] = 0x01; | |
48da7267 DS |
196 | ret = usb_control_msg(usb_dev, usb_sndctrlpipe(usb_dev, 0), |
197 | 0x01, 0x40, 0x04, 0x00, buf, 3, CTRL_TIMEOUT); | |
1da177e4 | 198 | if (ret < 0) |
48da7267 | 199 | usb_warn(usbatm, "%s failed on URB150: %d\n", __func__, ret); |
6a4f1b41 DS |
200 | |
201 | /* Extra initialisation in recent drivers - gives higher speeds */ | |
202 | ||
203 | /* URBext1 */ | |
204 | buf[0] = instance->params.ModemMode; | |
205 | ret = usb_control_msg(usb_dev, usb_sndctrlpipe(usb_dev, 0), | |
206 | 0x01, 0x40, 0x11, 0x00, buf, 1, CTRL_TIMEOUT); | |
207 | if (ret < 0) | |
208 | usb_warn(usbatm, "%s failed on URBext1: %d\n", __func__, ret); | |
209 | ||
210 | /* URBext2 */ | |
211 | /* This seems to be the one which actually triggers the higher sync | |
212 | rate -- it does require the new firmware too, although it works OK | |
213 | with older firmware */ | |
214 | ret = usb_control_msg(usb_dev, usb_sndctrlpipe(usb_dev, 0), | |
215 | 0x01, 0x40, 0x14, 0x00, | |
216 | instance->params.ModemOption, | |
217 | MODEM_OPTION_LENGTH, CTRL_TIMEOUT); | |
218 | if (ret < 0) | |
219 | usb_warn(usbatm, "%s failed on URBext2: %d\n", __func__, ret); | |
220 | ||
221 | /* URBext3 */ | |
222 | buf[0] = instance->params.BMaxDSL & 0xff; | |
223 | buf[1] = instance->params.BMaxDSL >> 8; | |
224 | ret = usb_control_msg(usb_dev, usb_sndctrlpipe(usb_dev, 0), | |
225 | 0x01, 0x40, 0x12, 0x00, buf, 2, CTRL_TIMEOUT); | |
226 | if (ret < 0) | |
227 | usb_warn(usbatm, "%s failed on URBext3: %d\n", __func__, ret); | |
1da177e4 LT |
228 | } |
229 | ||
48da7267 DS |
230 | static int speedtch_upload_firmware(struct speedtch_instance_data *instance, |
231 | const struct firmware *fw1, | |
232 | const struct firmware *fw2) | |
1da177e4 | 233 | { |
48da7267 DS |
234 | unsigned char *buffer; |
235 | struct usbatm_data *usbatm = instance->usbatm; | |
48da7267 DS |
236 | struct usb_device *usb_dev = usbatm->usb_dev; |
237 | int actual_length; | |
238 | int ret = 0; | |
239 | int offset; | |
240 | ||
241 | usb_dbg(usbatm, "%s entered\n", __func__); | |
242 | ||
3383ee4c GKH |
243 | buffer = (unsigned char *)__get_free_page(GFP_KERNEL); |
244 | if (!buffer) { | |
48da7267 DS |
245 | ret = -ENOMEM; |
246 | usb_dbg(usbatm, "%s: no memory for buffer!\n", __func__); | |
247 | goto out; | |
248 | } | |
249 | ||
011db815 | 250 | if (!usb_ifnum_to_if(usb_dev, 2)) { |
48da7267 DS |
251 | ret = -ENODEV; |
252 | usb_dbg(usbatm, "%s: interface not found!\n", __func__); | |
253 | goto out_free; | |
254 | } | |
255 | ||
256 | /* URB 7 */ | |
257 | if (dl_512_first) { /* some modems need a read before writing the firmware */ | |
258 | ret = usb_bulk_msg(usb_dev, usb_rcvbulkpipe(usb_dev, ENDPOINT_FIRMWARE), | |
259 | buffer, 0x200, &actual_length, 2000); | |
260 | ||
261 | if (ret < 0 && ret != -ETIMEDOUT) | |
0ec3c7e8 | 262 | usb_warn(usbatm, "%s: read BLOCK0 from modem failed (%d)!\n", __func__, ret); |
48da7267 DS |
263 | else |
264 | usb_dbg(usbatm, "%s: BLOCK0 downloaded (%d bytes)\n", __func__, ret); | |
265 | } | |
266 | ||
267 | /* URB 8 : both leds are static green */ | |
268 | for (offset = 0; offset < fw1->size; offset += PAGE_SIZE) { | |
269 | int thislen = min_t(int, PAGE_SIZE, fw1->size - offset); | |
270 | memcpy(buffer, fw1->data + offset, thislen); | |
271 | ||
272 | ret = usb_bulk_msg(usb_dev, usb_sndbulkpipe(usb_dev, ENDPOINT_FIRMWARE), | |
273 | buffer, thislen, &actual_length, DATA_TIMEOUT); | |
274 | ||
275 | if (ret < 0) { | |
0ec3c7e8 | 276 | usb_err(usbatm, "%s: write BLOCK1 to modem failed (%d)!\n", __func__, ret); |
48da7267 DS |
277 | goto out_free; |
278 | } | |
279 | usb_dbg(usbatm, "%s: BLOCK1 uploaded (%zu bytes)\n", __func__, fw1->size); | |
280 | } | |
281 | ||
282 | /* USB led blinking green, ADSL led off */ | |
283 | ||
284 | /* URB 11 */ | |
285 | ret = usb_bulk_msg(usb_dev, usb_rcvbulkpipe(usb_dev, ENDPOINT_FIRMWARE), | |
286 | buffer, 0x200, &actual_length, DATA_TIMEOUT); | |
1da177e4 | 287 | |
1da177e4 | 288 | if (ret < 0) { |
0ec3c7e8 | 289 | usb_err(usbatm, "%s: read BLOCK2 from modem failed (%d)!\n", __func__, ret); |
48da7267 | 290 | goto out_free; |
1da177e4 | 291 | } |
48da7267 | 292 | usb_dbg(usbatm, "%s: BLOCK2 downloaded (%d bytes)\n", __func__, actual_length); |
1da177e4 | 293 | |
48da7267 DS |
294 | /* URBs 12 to 139 - USB led blinking green, ADSL led off */ |
295 | for (offset = 0; offset < fw2->size; offset += PAGE_SIZE) { | |
296 | int thislen = min_t(int, PAGE_SIZE, fw2->size - offset); | |
297 | memcpy(buffer, fw2->data + offset, thislen); | |
298 | ||
299 | ret = usb_bulk_msg(usb_dev, usb_sndbulkpipe(usb_dev, ENDPOINT_FIRMWARE), | |
300 | buffer, thislen, &actual_length, DATA_TIMEOUT); | |
301 | ||
302 | if (ret < 0) { | |
0ec3c7e8 | 303 | usb_err(usbatm, "%s: write BLOCK3 to modem failed (%d)!\n", __func__, ret); |
48da7267 DS |
304 | goto out_free; |
305 | } | |
306 | } | |
307 | usb_dbg(usbatm, "%s: BLOCK3 uploaded (%zu bytes)\n", __func__, fw2->size); | |
308 | ||
309 | /* USB led static green, ADSL led static red */ | |
310 | ||
311 | /* URB 142 */ | |
312 | ret = usb_bulk_msg(usb_dev, usb_rcvbulkpipe(usb_dev, ENDPOINT_FIRMWARE), | |
313 | buffer, 0x200, &actual_length, DATA_TIMEOUT); | |
314 | ||
315 | if (ret < 0) { | |
0ec3c7e8 | 316 | usb_err(usbatm, "%s: read BLOCK4 from modem failed (%d)!\n", __func__, ret); |
48da7267 DS |
317 | goto out_free; |
318 | } | |
319 | ||
320 | /* success */ | |
321 | usb_dbg(usbatm, "%s: BLOCK4 downloaded (%d bytes)\n", __func__, actual_length); | |
322 | ||
323 | /* Delay to allow firmware to start up. We can do this here | |
324 | because we're in our own kernel thread anyway. */ | |
325 | msleep_interruptible(1000); | |
326 | ||
6a4f1b41 DS |
327 | if ((ret = usb_set_interface(usb_dev, INTERFACE_DATA, instance->params.altsetting)) < 0) { |
328 | usb_err(usbatm, "%s: setting interface to %d failed (%d)!\n", __func__, instance->params.altsetting, ret); | |
6f749475 DS |
329 | goto out_free; |
330 | } | |
331 | ||
48da7267 DS |
332 | /* Enable software buffering, if requested */ |
333 | if (sw_buffering) | |
334 | speedtch_set_swbuff(instance, 1); | |
335 | ||
336 | /* Magic spell; don't ask us what this does */ | |
337 | speedtch_test_sequence(instance); | |
338 | ||
339 | ret = 0; | |
340 | ||
341 | out_free: | |
342 | free_page((unsigned long)buffer); | |
343 | out: | |
344 | return ret; | |
1da177e4 LT |
345 | } |
346 | ||
0ec3c7e8 DS |
347 | static int speedtch_find_firmware(struct usbatm_data *usbatm, struct usb_interface *intf, |
348 | int phase, const struct firmware **fw_p) | |
1da177e4 | 349 | { |
48da7267 DS |
350 | struct device *dev = &intf->dev; |
351 | const u16 bcdDevice = le16_to_cpu(interface_to_usbdev(intf)->descriptor.bcdDevice); | |
352 | const u8 major_revision = bcdDevice >> 8; | |
353 | const u8 minor_revision = bcdDevice & 0xff; | |
354 | char buf[24]; | |
1da177e4 | 355 | |
48da7267 | 356 | sprintf(buf, "speedtch-%d.bin.%x.%02x", phase, major_revision, minor_revision); |
0ec3c7e8 | 357 | usb_dbg(usbatm, "%s: looking for %s\n", __func__, buf); |
1da177e4 | 358 | |
48da7267 DS |
359 | if (request_firmware(fw_p, buf, dev)) { |
360 | sprintf(buf, "speedtch-%d.bin.%x", phase, major_revision); | |
0ec3c7e8 | 361 | usb_dbg(usbatm, "%s: looking for %s\n", __func__, buf); |
1da177e4 | 362 | |
48da7267 DS |
363 | if (request_firmware(fw_p, buf, dev)) { |
364 | sprintf(buf, "speedtch-%d.bin", phase); | |
0ec3c7e8 | 365 | usb_dbg(usbatm, "%s: looking for %s\n", __func__, buf); |
48da7267 DS |
366 | |
367 | if (request_firmware(fw_p, buf, dev)) { | |
0ec3c7e8 | 368 | usb_err(usbatm, "%s: no stage %d firmware found!\n", __func__, phase); |
48da7267 DS |
369 | return -ENOENT; |
370 | } | |
371 | } | |
1da177e4 LT |
372 | } |
373 | ||
0ec3c7e8 | 374 | usb_info(usbatm, "found stage %d firmware %s\n", phase, buf); |
1da177e4 | 375 | |
48da7267 DS |
376 | return 0; |
377 | } | |
378 | ||
379 | static int speedtch_heavy_init(struct usbatm_data *usbatm, struct usb_interface *intf) | |
380 | { | |
381 | const struct firmware *fw1, *fw2; | |
382 | struct speedtch_instance_data *instance = usbatm->driver_data; | |
383 | int ret; | |
384 | ||
0ec3c7e8 DS |
385 | if ((ret = speedtch_find_firmware(usbatm, intf, 1, &fw1)) < 0) |
386 | return ret; | |
48da7267 | 387 | |
0ec3c7e8 | 388 | if ((ret = speedtch_find_firmware(usbatm, intf, 2, &fw2)) < 0) { |
48da7267 DS |
389 | release_firmware(fw1); |
390 | return ret; | |
1da177e4 | 391 | } |
1da177e4 | 392 | |
0ec3c7e8 DS |
393 | if ((ret = speedtch_upload_firmware(instance, fw1, fw2)) < 0) |
394 | usb_err(usbatm, "%s: firmware upload failed (%d)!\n", __func__, ret); | |
48da7267 DS |
395 | |
396 | release_firmware(fw2); | |
397 | release_firmware(fw1); | |
1da177e4 | 398 | |
48da7267 | 399 | return ret; |
1da177e4 LT |
400 | } |
401 | ||
48da7267 DS |
402 | |
403 | /********** | |
404 | ** ATM ** | |
405 | **********/ | |
406 | ||
407 | static int speedtch_read_status(struct speedtch_instance_data *instance) | |
1da177e4 | 408 | { |
48da7267 DS |
409 | struct usbatm_data *usbatm = instance->usbatm; |
410 | struct usb_device *usb_dev = usbatm->usb_dev; | |
411 | unsigned char *buf = instance->scratch_buffer; | |
1da177e4 LT |
412 | int ret; |
413 | ||
6a4f1b41 | 414 | memset(buf, 0, 16); |
1da177e4 | 415 | |
48da7267 | 416 | ret = usb_control_msg(usb_dev, usb_rcvctrlpipe(usb_dev, 0), |
1da177e4 LT |
417 | 0x12, 0xc0, 0x07, 0x00, buf + OFFSET_7, SIZE_7, |
418 | CTRL_TIMEOUT); | |
419 | if (ret < 0) { | |
48da7267 | 420 | atm_dbg(usbatm, "%s: MSG 7 failed\n", __func__); |
1da177e4 LT |
421 | return ret; |
422 | } | |
423 | ||
48da7267 | 424 | ret = usb_control_msg(usb_dev, usb_rcvctrlpipe(usb_dev, 0), |
1da177e4 LT |
425 | 0x12, 0xc0, 0x0b, 0x00, buf + OFFSET_b, SIZE_b, |
426 | CTRL_TIMEOUT); | |
427 | if (ret < 0) { | |
48da7267 | 428 | atm_dbg(usbatm, "%s: MSG B failed\n", __func__); |
1da177e4 LT |
429 | return ret; |
430 | } | |
431 | ||
48da7267 | 432 | ret = usb_control_msg(usb_dev, usb_rcvctrlpipe(usb_dev, 0), |
1da177e4 LT |
433 | 0x12, 0xc0, 0x0d, 0x00, buf + OFFSET_d, SIZE_d, |
434 | CTRL_TIMEOUT); | |
435 | if (ret < 0) { | |
48da7267 | 436 | atm_dbg(usbatm, "%s: MSG D failed\n", __func__); |
1da177e4 LT |
437 | return ret; |
438 | } | |
439 | ||
48da7267 | 440 | ret = usb_control_msg(usb_dev, usb_rcvctrlpipe(usb_dev, 0), |
1da177e4 LT |
441 | 0x01, 0xc0, 0x0e, 0x00, buf + OFFSET_e, SIZE_e, |
442 | CTRL_TIMEOUT); | |
443 | if (ret < 0) { | |
48da7267 | 444 | atm_dbg(usbatm, "%s: MSG E failed\n", __func__); |
1da177e4 LT |
445 | return ret; |
446 | } | |
447 | ||
48da7267 | 448 | ret = usb_control_msg(usb_dev, usb_rcvctrlpipe(usb_dev, 0), |
1da177e4 LT |
449 | 0x01, 0xc0, 0x0f, 0x00, buf + OFFSET_f, SIZE_f, |
450 | CTRL_TIMEOUT); | |
451 | if (ret < 0) { | |
48da7267 | 452 | atm_dbg(usbatm, "%s: MSG F failed\n", __func__); |
1da177e4 LT |
453 | return ret; |
454 | } | |
455 | ||
456 | return 0; | |
457 | } | |
458 | ||
48da7267 | 459 | static int speedtch_start_synchro(struct speedtch_instance_data *instance) |
1da177e4 | 460 | { |
48da7267 DS |
461 | struct usbatm_data *usbatm = instance->usbatm; |
462 | struct usb_device *usb_dev = usbatm->usb_dev; | |
463 | unsigned char *buf = instance->scratch_buffer; | |
1da177e4 LT |
464 | int ret; |
465 | ||
48da7267 DS |
466 | atm_dbg(usbatm, "%s entered\n", __func__); |
467 | ||
468 | memset(buf, 0, 2); | |
469 | ||
470 | ret = usb_control_msg(usb_dev, usb_rcvctrlpipe(usb_dev, 0), | |
471 | 0x12, 0xc0, 0x04, 0x00, | |
472 | buf, 2, CTRL_TIMEOUT); | |
473 | ||
474 | if (ret < 0) | |
475 | atm_warn(usbatm, "failed to start ADSL synchronisation: %d\n", ret); | |
476 | else | |
477 | atm_dbg(usbatm, "%s: modem prodded. %d bytes returned: %02x %02x\n", | |
478 | __func__, ret, buf[0], buf[1]); | |
479 | ||
480 | return ret; | |
481 | } | |
482 | ||
c4028958 | 483 | static void speedtch_check_status(struct work_struct *work) |
48da7267 | 484 | { |
c4028958 DH |
485 | struct speedtch_instance_data *instance = |
486 | container_of(work, struct speedtch_instance_data, | |
37c95bfe | 487 | status_check_work); |
48da7267 DS |
488 | struct usbatm_data *usbatm = instance->usbatm; |
489 | struct atm_dev *atm_dev = usbatm->atm_dev; | |
490 | unsigned char *buf = instance->scratch_buffer; | |
1a7aad15 DS |
491 | int down_speed, up_speed, ret; |
492 | unsigned char status; | |
48da7267 | 493 | |
0ec3c7e8 | 494 | #ifdef VERBOSE_DEBUG |
48da7267 | 495 | atm_dbg(usbatm, "%s entered\n", __func__); |
0ec3c7e8 | 496 | #endif |
48da7267 DS |
497 | |
498 | ret = speedtch_read_status(instance); | |
499 | if (ret < 0) { | |
500 | atm_warn(usbatm, "error %d fetching device status\n", ret); | |
cd5c08fb | 501 | instance->poll_delay = min(2 * instance->poll_delay, MAX_POLL_DELAY); |
1da177e4 LT |
502 | return; |
503 | } | |
504 | ||
cd5c08fb | 505 | instance->poll_delay = max(instance->poll_delay / 2, MIN_POLL_DELAY); |
48da7267 | 506 | |
1a7aad15 | 507 | status = buf[OFFSET_7]; |
1da177e4 | 508 | |
1a7aad15 | 509 | if ((status != instance->last_status) || !status) { |
0ec3c7e8 DS |
510 | atm_dbg(usbatm, "%s: line state 0x%02x\n", __func__, status); |
511 | ||
1a7aad15 DS |
512 | switch (status) { |
513 | case 0: | |
23f89f04 | 514 | atm_dev_signal_change(atm_dev, ATM_PHY_SIG_LOST); |
1a7aad15 | 515 | if (instance->last_status) |
52fbae2a | 516 | atm_info(usbatm, "ADSL line is down\n"); |
1a7aad15 | 517 | /* It may never resync again unless we ask it to... */ |
48da7267 | 518 | ret = speedtch_start_synchro(instance); |
1a7aad15 | 519 | break; |
1da177e4 | 520 | |
1a7aad15 | 521 | case 0x08: |
23f89f04 | 522 | atm_dev_signal_change(atm_dev, ATM_PHY_SIG_UNKNOWN); |
52fbae2a | 523 | atm_info(usbatm, "ADSL line is blocked?\n"); |
1a7aad15 | 524 | break; |
1da177e4 | 525 | |
1a7aad15 | 526 | case 0x10: |
23f89f04 | 527 | atm_dev_signal_change(atm_dev, ATM_PHY_SIG_LOST); |
52fbae2a | 528 | atm_info(usbatm, "ADSL line is synchronising\n"); |
1a7aad15 | 529 | break; |
1da177e4 | 530 | |
1a7aad15 DS |
531 | case 0x20: |
532 | down_speed = buf[OFFSET_b] | (buf[OFFSET_b + 1] << 8) | |
1da177e4 | 533 | | (buf[OFFSET_b + 2] << 16) | (buf[OFFSET_b + 3] << 24); |
1a7aad15 | 534 | up_speed = buf[OFFSET_b + 4] | (buf[OFFSET_b + 5] << 8) |
1da177e4 LT |
535 | | (buf[OFFSET_b + 6] << 16) | (buf[OFFSET_b + 7] << 24); |
536 | ||
48da7267 | 537 | if (!(down_speed & 0x0000ffff) && !(up_speed & 0x0000ffff)) { |
1da177e4 LT |
538 | down_speed >>= 16; |
539 | up_speed >>= 16; | |
540 | } | |
1da177e4 | 541 | |
48da7267 | 542 | atm_dev->link_rate = down_speed * 1000 / 424; |
23f89f04 | 543 | atm_dev_signal_change(atm_dev, ATM_PHY_SIG_FOUND); |
48da7267 DS |
544 | |
545 | atm_info(usbatm, | |
322a95bc | 546 | "ADSL line is up (%d kb/s down | %d kb/s up)\n", |
48da7267 | 547 | down_speed, up_speed); |
1a7aad15 | 548 | break; |
1da177e4 | 549 | |
1a7aad15 | 550 | default: |
23f89f04 | 551 | atm_dev_signal_change(atm_dev, ATM_PHY_SIG_UNKNOWN); |
0ec3c7e8 | 552 | atm_info(usbatm, "unknown line state %02x\n", status); |
1a7aad15 | 553 | break; |
1da177e4 | 554 | } |
1a7aad15 DS |
555 | |
556 | instance->last_status = status; | |
1da177e4 LT |
557 | } |
558 | } | |
559 | ||
72a9f9a4 | 560 | static void speedtch_status_poll(struct timer_list *t) |
1da177e4 | 561 | { |
72a9f9a4 KC |
562 | struct speedtch_instance_data *instance = from_timer(instance, t, |
563 | status_check_timer); | |
1da177e4 | 564 | |
37c95bfe | 565 | schedule_work(&instance->status_check_work); |
48da7267 DS |
566 | |
567 | /* The following check is racy, but the race is harmless */ | |
568 | if (instance->poll_delay < MAX_POLL_DELAY) | |
37c95bfe | 569 | mod_timer(&instance->status_check_timer, jiffies + msecs_to_jiffies(instance->poll_delay)); |
48da7267 | 570 | else |
52fbae2a | 571 | atm_warn(instance->usbatm, "Too many failures - disabling line status polling\n"); |
1da177e4 LT |
572 | } |
573 | ||
72a9f9a4 | 574 | static void speedtch_resubmit_int(struct timer_list *t) |
1da177e4 | 575 | { |
72a9f9a4 KC |
576 | struct speedtch_instance_data *instance = from_timer(instance, t, |
577 | resubmit_timer); | |
48da7267 DS |
578 | struct urb *int_urb = instance->int_urb; |
579 | int ret; | |
1da177e4 | 580 | |
48da7267 | 581 | atm_dbg(instance->usbatm, "%s entered\n", __func__); |
1da177e4 | 582 | |
48da7267 DS |
583 | if (int_urb) { |
584 | ret = usb_submit_urb(int_urb, GFP_ATOMIC); | |
585 | if (!ret) | |
37c95bfe | 586 | schedule_work(&instance->status_check_work); |
48da7267 DS |
587 | else { |
588 | atm_dbg(instance->usbatm, "%s: usb_submit_urb failed with result %d\n", __func__, ret); | |
589 | mod_timer(&instance->resubmit_timer, jiffies + msecs_to_jiffies(RESUBMIT_DELAY)); | |
1da177e4 | 590 | } |
1da177e4 | 591 | } |
48da7267 | 592 | } |
1da177e4 | 593 | |
7d12e780 | 594 | static void speedtch_handle_int(struct urb *int_urb) |
48da7267 DS |
595 | { |
596 | struct speedtch_instance_data *instance = int_urb->context; | |
597 | struct usbatm_data *usbatm = instance->usbatm; | |
598 | unsigned int count = int_urb->actual_length; | |
9a5a3e95 GKH |
599 | int status = int_urb->status; |
600 | int ret; | |
1da177e4 | 601 | |
48da7267 | 602 | /* The magic interrupt for "up state" */ |
3c6bee1d | 603 | static const unsigned char up_int[6] = { 0xa1, 0x00, 0x01, 0x00, 0x00, 0x00 }; |
48da7267 | 604 | /* The magic interrupt for "down state" */ |
3c6bee1d | 605 | static const unsigned char down_int[6] = { 0xa1, 0x00, 0x00, 0x00, 0x00, 0x00 }; |
48da7267 DS |
606 | |
607 | atm_dbg(usbatm, "%s entered\n", __func__); | |
1da177e4 | 608 | |
9a5a3e95 GKH |
609 | if (status < 0) { |
610 | atm_dbg(usbatm, "%s: nonzero urb status %d!\n", __func__, status); | |
48da7267 | 611 | goto fail; |
1da177e4 | 612 | } |
1da177e4 | 613 | |
48da7267 | 614 | if ((count == 6) && !memcmp(up_int, instance->int_data, 6)) { |
37c95bfe | 615 | del_timer(&instance->status_check_timer); |
52fbae2a | 616 | atm_info(usbatm, "DSL line goes up\n"); |
48da7267 | 617 | } else if ((count == 6) && !memcmp(down_int, instance->int_data, 6)) { |
52fbae2a | 618 | atm_info(usbatm, "DSL line goes down\n"); |
48da7267 DS |
619 | } else { |
620 | int i; | |
1da177e4 | 621 | |
48da7267 DS |
622 | atm_dbg(usbatm, "%s: unknown interrupt packet of length %d:", __func__, count); |
623 | for (i = 0; i < count; i++) | |
624 | printk(" %02x", instance->int_data[i]); | |
625 | printk("\n"); | |
626 | goto fail; | |
627 | } | |
1da177e4 | 628 | |
3383ee4c GKH |
629 | int_urb = instance->int_urb; |
630 | if (int_urb) { | |
48da7267 | 631 | ret = usb_submit_urb(int_urb, GFP_ATOMIC); |
37c95bfe | 632 | schedule_work(&instance->status_check_work); |
1da177e4 | 633 | if (ret < 0) { |
48da7267 DS |
634 | atm_dbg(usbatm, "%s: usb_submit_urb failed with result %d\n", __func__, ret); |
635 | goto fail; | |
1da177e4 LT |
636 | } |
637 | } | |
1da177e4 | 638 | |
1da177e4 LT |
639 | return; |
640 | ||
48da7267 | 641 | fail: |
3383ee4c GKH |
642 | int_urb = instance->int_urb; |
643 | if (int_urb) | |
48da7267 | 644 | mod_timer(&instance->resubmit_timer, jiffies + msecs_to_jiffies(RESUBMIT_DELAY)); |
1da177e4 LT |
645 | } |
646 | ||
48da7267 | 647 | static int speedtch_atm_start(struct usbatm_data *usbatm, struct atm_dev *atm_dev) |
1da177e4 | 648 | { |
48da7267 DS |
649 | struct usb_device *usb_dev = usbatm->usb_dev; |
650 | struct speedtch_instance_data *instance = usbatm->driver_data; | |
651 | int i, ret; | |
652 | unsigned char mac_str[13]; | |
1da177e4 | 653 | |
48da7267 | 654 | atm_dbg(usbatm, "%s entered\n", __func__); |
1da177e4 | 655 | |
48da7267 DS |
656 | /* Set MAC address, it is stored in the serial number */ |
657 | memset(atm_dev->esi, 0, sizeof(atm_dev->esi)); | |
658 | if (usb_string(usb_dev, usb_dev->descriptor.iSerialNumber, mac_str, sizeof(mac_str)) == 12) { | |
659 | for (i = 0; i < 6; i++) | |
96b89f32 AS |
660 | atm_dev->esi[i] = (hex_to_bin(mac_str[i * 2]) << 4) + |
661 | hex_to_bin(mac_str[i * 2 + 1]); | |
48da7267 | 662 | } |
1da177e4 | 663 | |
48da7267 DS |
664 | /* Start modem synchronisation */ |
665 | ret = speedtch_start_synchro(instance); | |
1da177e4 | 666 | |
48da7267 DS |
667 | /* Set up interrupt endpoint */ |
668 | if (instance->int_urb) { | |
669 | ret = usb_submit_urb(instance->int_urb, GFP_KERNEL); | |
670 | if (ret < 0) { | |
671 | /* Doesn't matter; we'll poll anyway */ | |
672 | atm_dbg(usbatm, "%s: submission of interrupt URB failed (%d)!\n", __func__, ret); | |
673 | usb_free_urb(instance->int_urb); | |
674 | instance->int_urb = NULL; | |
1da177e4 | 675 | } |
1da177e4 LT |
676 | } |
677 | ||
48da7267 | 678 | /* Start status polling */ |
37c95bfe | 679 | mod_timer(&instance->status_check_timer, jiffies + msecs_to_jiffies(1000)); |
1da177e4 | 680 | |
1da177e4 LT |
681 | return 0; |
682 | } | |
1da177e4 | 683 | |
48da7267 | 684 | static void speedtch_atm_stop(struct usbatm_data *usbatm, struct atm_dev *atm_dev) |
1da177e4 | 685 | { |
48da7267 DS |
686 | struct speedtch_instance_data *instance = usbatm->driver_data; |
687 | struct urb *int_urb = instance->int_urb; | |
688 | ||
689 | atm_dbg(usbatm, "%s entered\n", __func__); | |
690 | ||
37c95bfe | 691 | del_timer_sync(&instance->status_check_timer); |
48da7267 DS |
692 | |
693 | /* | |
694 | * Since resubmit_timer and int_urb can schedule themselves and | |
695 | * each other, shutting them down correctly takes some care | |
696 | */ | |
697 | instance->int_urb = NULL; /* signal shutdown */ | |
698 | mb(); | |
699 | usb_kill_urb(int_urb); | |
700 | del_timer_sync(&instance->resubmit_timer); | |
701 | /* | |
702 | * At this point, speedtch_handle_int and speedtch_resubmit_int | |
703 | * can run or be running, but instance->int_urb == NULL means that | |
704 | * they will not reschedule | |
705 | */ | |
706 | usb_kill_urb(int_urb); | |
707 | del_timer_sync(&instance->resubmit_timer); | |
708 | usb_free_urb(int_urb); | |
1da177e4 | 709 | |
43829731 | 710 | flush_work(&instance->status_check_work); |
48da7267 | 711 | } |
1da177e4 | 712 | |
8fc7aeab AS |
713 | static int speedtch_pre_reset(struct usb_interface *intf) |
714 | { | |
715 | return 0; | |
716 | } | |
717 | ||
718 | static int speedtch_post_reset(struct usb_interface *intf) | |
719 | { | |
720 | return 0; | |
721 | } | |
722 | ||
1da177e4 | 723 | |
48da7267 DS |
724 | /********** |
725 | ** USB ** | |
726 | **********/ | |
1da177e4 | 727 | |
1e44f54b | 728 | static const struct usb_device_id speedtch_usb_ids[] = { |
48da7267 DS |
729 | {USB_DEVICE(0x06b9, 0x4061)}, |
730 | {} | |
731 | }; | |
1da177e4 | 732 | |
48da7267 | 733 | MODULE_DEVICE_TABLE(usb, speedtch_usb_ids); |
1da177e4 | 734 | |
48da7267 | 735 | static int speedtch_usb_probe(struct usb_interface *, const struct usb_device_id *); |
1da177e4 | 736 | |
48da7267 | 737 | static struct usb_driver speedtch_usb_driver = { |
48da7267 DS |
738 | .name = speedtch_driver_name, |
739 | .probe = speedtch_usb_probe, | |
740 | .disconnect = usbatm_usb_disconnect, | |
8fc7aeab AS |
741 | .pre_reset = speedtch_pre_reset, |
742 | .post_reset = speedtch_post_reset, | |
48da7267 DS |
743 | .id_table = speedtch_usb_ids |
744 | }; | |
1da177e4 | 745 | |
6c4b7f70 NK |
746 | static void speedtch_release_interfaces(struct usb_device *usb_dev, |
747 | int num_interfaces) | |
748 | { | |
48da7267 DS |
749 | struct usb_interface *cur_intf; |
750 | int i; | |
1da177e4 | 751 | |
3383ee4c GKH |
752 | for (i = 0; i < num_interfaces; i++) { |
753 | cur_intf = usb_ifnum_to_if(usb_dev, i); | |
754 | if (cur_intf) { | |
48da7267 DS |
755 | usb_set_intfdata(cur_intf, NULL); |
756 | usb_driver_release_interface(&speedtch_usb_driver, cur_intf); | |
757 | } | |
3383ee4c | 758 | } |
1da177e4 LT |
759 | } |
760 | ||
48da7267 DS |
761 | static int speedtch_bind(struct usbatm_data *usbatm, |
762 | struct usb_interface *intf, | |
35644b0c | 763 | const struct usb_device_id *id) |
1da177e4 | 764 | { |
48da7267 | 765 | struct usb_device *usb_dev = interface_to_usbdev(intf); |
80aae7a1 | 766 | struct usb_interface *cur_intf, *data_intf; |
48da7267 DS |
767 | struct speedtch_instance_data *instance; |
768 | int ifnum = intf->altsetting->desc.bInterfaceNumber; | |
769 | int num_interfaces = usb_dev->actconfig->desc.bNumInterfaces; | |
770 | int i, ret; | |
80aae7a1 | 771 | int use_isoc; |
1da177e4 | 772 | |
48da7267 | 773 | usb_dbg(usbatm, "%s entered\n", __func__); |
1da177e4 | 774 | |
0ec3c7e8 DS |
775 | /* sanity checks */ |
776 | ||
48da7267 | 777 | if (usb_dev->descriptor.bDeviceClass != USB_CLASS_VENDOR_SPEC) { |
0ec3c7e8 | 778 | usb_err(usbatm, "%s: wrong device class %d\n", __func__, usb_dev->descriptor.bDeviceClass); |
1da177e4 LT |
779 | return -ENODEV; |
780 | } | |
781 | ||
3383ee4c GKH |
782 | data_intf = usb_ifnum_to_if(usb_dev, INTERFACE_DATA); |
783 | if (!data_intf) { | |
80aae7a1 DS |
784 | usb_err(usbatm, "%s: data interface not found!\n", __func__); |
785 | return -ENODEV; | |
786 | } | |
787 | ||
48da7267 | 788 | /* claim all interfaces */ |
1da177e4 | 789 | |
9196cc7b | 790 | for (i = 0; i < num_interfaces; i++) { |
48da7267 | 791 | cur_intf = usb_ifnum_to_if(usb_dev, i); |
1da177e4 | 792 | |
48da7267 DS |
793 | if ((i != ifnum) && cur_intf) { |
794 | ret = usb_driver_claim_interface(&speedtch_usb_driver, cur_intf, usbatm); | |
1da177e4 | 795 | |
48da7267 | 796 | if (ret < 0) { |
0ec3c7e8 | 797 | usb_err(usbatm, "%s: failed to claim interface %2d (%d)!\n", __func__, i, ret); |
48da7267 DS |
798 | speedtch_release_interfaces(usb_dev, i); |
799 | return ret; | |
800 | } | |
801 | } | |
802 | } | |
1da177e4 | 803 | |
9a734efe | 804 | instance = kzalloc(sizeof(*instance), GFP_KERNEL); |
48da7267 | 805 | |
1da177e4 | 806 | if (!instance) { |
48da7267 DS |
807 | ret = -ENOMEM; |
808 | goto fail_release; | |
1da177e4 LT |
809 | } |
810 | ||
48da7267 | 811 | instance->usbatm = usbatm; |
1da177e4 | 812 | |
6a4f1b41 DS |
813 | /* module parameters may change at any moment, so take a snapshot */ |
814 | instance->params.altsetting = altsetting; | |
815 | instance->params.BMaxDSL = BMaxDSL; | |
816 | instance->params.ModemMode = ModemMode; | |
817 | memcpy(instance->params.ModemOption, DEFAULT_MODEM_OPTION, MODEM_OPTION_LENGTH); | |
818 | memcpy(instance->params.ModemOption, ModemOption, num_ModemOption); | |
80aae7a1 | 819 | use_isoc = enable_isoc; |
6f749475 | 820 | |
6a4f1b41 DS |
821 | if (instance->params.altsetting) |
822 | if ((ret = usb_set_interface(usb_dev, INTERFACE_DATA, instance->params.altsetting)) < 0) { | |
823 | usb_err(usbatm, "%s: setting interface to %2d failed (%d)!\n", __func__, instance->params.altsetting, ret); | |
824 | instance->params.altsetting = 0; /* fall back to default */ | |
6f749475 DS |
825 | } |
826 | ||
6a4f1b41 | 827 | if (!instance->params.altsetting && use_isoc) |
80aae7a1 DS |
828 | if ((ret = usb_set_interface(usb_dev, INTERFACE_DATA, DEFAULT_ISOC_ALTSETTING)) < 0) { |
829 | usb_dbg(usbatm, "%s: setting interface to %2d failed (%d)!\n", __func__, DEFAULT_ISOC_ALTSETTING, ret); | |
830 | use_isoc = 0; /* fall back to bulk */ | |
6f749475 | 831 | } |
80aae7a1 DS |
832 | |
833 | if (use_isoc) { | |
834 | const struct usb_host_interface *desc = data_intf->cur_altsetting; | |
835 | const __u8 target_address = USB_DIR_IN | usbatm->driver->isoc_in; | |
80aae7a1 DS |
836 | |
837 | use_isoc = 0; /* fall back to bulk if endpoint not found */ | |
838 | ||
9196cc7b | 839 | for (i = 0; i < desc->desc.bNumEndpoints; i++) { |
80aae7a1 DS |
840 | const struct usb_endpoint_descriptor *endpoint_desc = &desc->endpoint[i].desc; |
841 | ||
842 | if ((endpoint_desc->bEndpointAddress == target_address)) { | |
c5dd1f94 LFC |
843 | use_isoc = |
844 | usb_endpoint_xfer_isoc(endpoint_desc); | |
80aae7a1 DS |
845 | break; |
846 | } | |
847 | } | |
848 | ||
849 | if (!use_isoc) | |
850 | usb_info(usbatm, "isochronous transfer not supported - using bulk\n"); | |
6f749475 DS |
851 | } |
852 | ||
6a4f1b41 | 853 | if (!use_isoc && !instance->params.altsetting) |
80aae7a1 DS |
854 | if ((ret = usb_set_interface(usb_dev, INTERFACE_DATA, DEFAULT_BULK_ALTSETTING)) < 0) { |
855 | usb_err(usbatm, "%s: setting interface to %2d failed (%d)!\n", __func__, DEFAULT_BULK_ALTSETTING, ret); | |
856 | goto fail_free; | |
857 | } | |
858 | ||
6a4f1b41 DS |
859 | if (!instance->params.altsetting) |
860 | instance->params.altsetting = use_isoc ? DEFAULT_ISOC_ALTSETTING : DEFAULT_BULK_ALTSETTING; | |
80aae7a1 DS |
861 | |
862 | usbatm->flags |= (use_isoc ? UDSL_USE_ISOC : 0); | |
863 | ||
37c95bfe | 864 | INIT_WORK(&instance->status_check_work, speedtch_check_status); |
72a9f9a4 | 865 | timer_setup(&instance->status_check_timer, speedtch_status_poll, 0); |
1a7aad15 | 866 | instance->last_status = 0xff; |
48da7267 | 867 | instance->poll_delay = MIN_POLL_DELAY; |
1da177e4 | 868 | |
72a9f9a4 | 869 | timer_setup(&instance->resubmit_timer, speedtch_resubmit_int, 0); |
1da177e4 | 870 | |
48da7267 | 871 | instance->int_urb = usb_alloc_urb(0, GFP_KERNEL); |
1da177e4 | 872 | |
48da7267 DS |
873 | if (instance->int_urb) |
874 | usb_fill_int_urb(instance->int_urb, usb_dev, | |
875 | usb_rcvintpipe(usb_dev, ENDPOINT_INT), | |
876 | instance->int_data, sizeof(instance->int_data), | |
afb8aae8 | 877 | speedtch_handle_int, instance, 16); |
48da7267 DS |
878 | else |
879 | usb_dbg(usbatm, "%s: no memory for interrupt urb!\n", __func__); | |
1da177e4 | 880 | |
48da7267 DS |
881 | /* check whether the modem already seems to be alive */ |
882 | ret = usb_control_msg(usb_dev, usb_rcvctrlpipe(usb_dev, 0), | |
883 | 0x12, 0xc0, 0x07, 0x00, | |
884 | instance->scratch_buffer + OFFSET_7, SIZE_7, 500); | |
1da177e4 | 885 | |
80aae7a1 | 886 | usbatm->flags |= (ret == SIZE_7 ? UDSL_SKIP_HEAVY_INIT : 0); |
1da177e4 | 887 | |
35644b0c | 888 | usb_dbg(usbatm, "%s: firmware %s loaded\n", __func__, usbatm->flags & UDSL_SKIP_HEAVY_INIT ? "already" : "not"); |
48da7267 | 889 | |
35644b0c | 890 | if (!(usbatm->flags & UDSL_SKIP_HEAVY_INIT)) |
0ec3c7e8 DS |
891 | if ((ret = usb_reset_device(usb_dev)) < 0) { |
892 | usb_err(usbatm, "%s: device reset failed (%d)!\n", __func__, ret); | |
48da7267 | 893 | goto fail_free; |
0ec3c7e8 | 894 | } |
1da177e4 | 895 | |
48da7267 | 896 | usbatm->driver_data = instance; |
1da177e4 LT |
897 | |
898 | return 0; | |
899 | ||
48da7267 DS |
900 | fail_free: |
901 | usb_free_urb(instance->int_urb); | |
1da177e4 | 902 | kfree(instance); |
48da7267 DS |
903 | fail_release: |
904 | speedtch_release_interfaces(usb_dev, num_interfaces); | |
905 | return ret; | |
1da177e4 LT |
906 | } |
907 | ||
48da7267 | 908 | static void speedtch_unbind(struct usbatm_data *usbatm, struct usb_interface *intf) |
1da177e4 | 909 | { |
48da7267 DS |
910 | struct usb_device *usb_dev = interface_to_usbdev(intf); |
911 | struct speedtch_instance_data *instance = usbatm->driver_data; | |
1da177e4 | 912 | |
48da7267 | 913 | usb_dbg(usbatm, "%s entered\n", __func__); |
1da177e4 | 914 | |
48da7267 DS |
915 | speedtch_release_interfaces(usb_dev, usb_dev->actconfig->desc.bNumInterfaces); |
916 | usb_free_urb(instance->int_urb); | |
917 | kfree(instance); | |
1da177e4 LT |
918 | } |
919 | ||
48da7267 | 920 | |
1da177e4 LT |
921 | /*********** |
922 | ** init ** | |
923 | ***********/ | |
924 | ||
48da7267 | 925 | static struct usbatm_driver speedtch_usbatm_driver = { |
48da7267 DS |
926 | .driver_name = speedtch_driver_name, |
927 | .bind = speedtch_bind, | |
928 | .heavy_init = speedtch_heavy_init, | |
929 | .unbind = speedtch_unbind, | |
930 | .atm_start = speedtch_atm_start, | |
931 | .atm_stop = speedtch_atm_stop, | |
80aae7a1 DS |
932 | .bulk_in = ENDPOINT_BULK_DATA, |
933 | .bulk_out = ENDPOINT_BULK_DATA, | |
934 | .isoc_in = ENDPOINT_ISOC_DATA | |
48da7267 DS |
935 | }; |
936 | ||
937 | static int speedtch_usb_probe(struct usb_interface *intf, const struct usb_device_id *id) | |
938 | { | |
939 | return usbatm_usb_probe(intf, id, &speedtch_usbatm_driver); | |
940 | } | |
941 | ||
65db4305 | 942 | module_usb_driver(speedtch_usb_driver); |
1da177e4 LT |
943 | |
944 | MODULE_AUTHOR(DRIVER_AUTHOR); | |
945 | MODULE_DESCRIPTION(DRIVER_DESC); | |
946 | MODULE_LICENSE("GPL"); |