Commit | Line | Data |
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1b0e6146 DS |
1 | /****************************************************************************** |
2 | * cxacru.c - driver for USB ADSL modems based on | |
3 | * Conexant AccessRunner chipset | |
4 | * | |
5 | * Copyright (C) 2004 David Woodhouse, Duncan Sands, Roman Kagan | |
6 | * Copyright (C) 2005 Duncan Sands, Roman Kagan (rkagan % mail ! ru) | |
6a02c996 | 7 | * Copyright (C) 2007 Simon Arlott |
30fa3d8e | 8 | * Copyright (C) 2009 Simon Arlott |
1b0e6146 DS |
9 | * |
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 | ||
26 | /* | |
27 | * Credit is due for Josep Comas, who created the original patch to speedtch.c | |
28 | * to support the different padding used by the AccessRunner (now generalized | |
29 | * into usbatm), and the userspace firmware loading utility. | |
30 | */ | |
31 | ||
32 | #include <linux/module.h> | |
33 | #include <linux/moduleparam.h> | |
34 | #include <linux/kernel.h> | |
35 | #include <linux/timer.h> | |
36 | #include <linux/errno.h> | |
37 | #include <linux/slab.h> | |
fa70fe44 | 38 | #include <linux/device.h> |
1b0e6146 | 39 | #include <linux/firmware.h> |
ab3c81ff | 40 | #include <linux/mutex.h> |
fd05e720 | 41 | #include <asm/unaligned.h> |
1b0e6146 DS |
42 | |
43 | #include "usbatm.h" | |
44 | ||
fa70fe44 | 45 | #define DRIVER_AUTHOR "Roman Kagan, David Woodhouse, Duncan Sands, Simon Arlott" |
30fa3d8e | 46 | #define DRIVER_VERSION "0.4" |
1b0e6146 DS |
47 | #define DRIVER_DESC "Conexant AccessRunner ADSL USB modem driver" |
48 | ||
49 | static const char cxacru_driver_name[] = "cxacru"; | |
50 | ||
51 | #define CXACRU_EP_CMD 0x01 /* Bulk/interrupt in/out */ | |
52 | #define CXACRU_EP_DATA 0x02 /* Bulk in/out */ | |
53 | ||
54 | #define CMD_PACKET_SIZE 64 /* Should be maxpacket(ep)? */ | |
4ac37208 | 55 | #define CMD_MAX_CONFIG ((CMD_PACKET_SIZE / 4 - 1) / 2) |
1b0e6146 DS |
56 | |
57 | /* Addresses */ | |
58 | #define PLLFCLK_ADDR 0x00350068 | |
59 | #define PLLBCLK_ADDR 0x0035006c | |
60 | #define SDRAMEN_ADDR 0x00350010 | |
61 | #define FW_ADDR 0x00801000 | |
62 | #define BR_ADDR 0x00180600 | |
63 | #define SIG_ADDR 0x00180500 | |
64 | #define BR_STACK_ADDR 0x00187f10 | |
65 | ||
66 | /* Values */ | |
67 | #define SDRAM_ENA 0x1 | |
68 | ||
69 | #define CMD_TIMEOUT 2000 /* msecs */ | |
fa70fe44 | 70 | #define POLL_INTERVAL 1 /* secs */ |
1b0e6146 DS |
71 | |
72 | /* commands for interaction with the modem through the control channel before | |
73 | * firmware is loaded */ | |
74 | enum cxacru_fw_request { | |
75 | FW_CMD_ERR, | |
76 | FW_GET_VER, | |
77 | FW_READ_MEM, | |
78 | FW_WRITE_MEM, | |
79 | FW_RMW_MEM, | |
80 | FW_CHECKSUM_MEM, | |
81 | FW_GOTO_MEM, | |
82 | }; | |
83 | ||
84 | /* commands for interaction with the modem through the control channel once | |
85 | * firmware is loaded */ | |
86 | enum cxacru_cm_request { | |
87 | CM_REQUEST_UNDEFINED = 0x80, | |
88 | CM_REQUEST_TEST, | |
89 | CM_REQUEST_CHIP_GET_MAC_ADDRESS, | |
90 | CM_REQUEST_CHIP_GET_DP_VERSIONS, | |
91 | CM_REQUEST_CHIP_ADSL_LINE_START, | |
92 | CM_REQUEST_CHIP_ADSL_LINE_STOP, | |
93 | CM_REQUEST_CHIP_ADSL_LINE_GET_STATUS, | |
94 | CM_REQUEST_CHIP_ADSL_LINE_GET_SPEED, | |
95 | CM_REQUEST_CARD_INFO_GET, | |
96 | CM_REQUEST_CARD_DATA_GET, | |
97 | CM_REQUEST_CARD_DATA_SET, | |
98 | CM_REQUEST_COMMAND_HW_IO, | |
99 | CM_REQUEST_INTERFACE_HW_IO, | |
100 | CM_REQUEST_CARD_SERIAL_DATA_PATH_GET, | |
101 | CM_REQUEST_CARD_SERIAL_DATA_PATH_SET, | |
102 | CM_REQUEST_CARD_CONTROLLER_VERSION_GET, | |
103 | CM_REQUEST_CARD_GET_STATUS, | |
104 | CM_REQUEST_CARD_GET_MAC_ADDRESS, | |
105 | CM_REQUEST_CARD_GET_DATA_LINK_STATUS, | |
106 | CM_REQUEST_MAX, | |
107 | }; | |
108 | ||
c68bb0d7 SA |
109 | /* commands for interaction with the flash memory |
110 | * | |
111 | * read: response is the contents of the first 60 bytes of flash memory | |
112 | * write: request contains the 60 bytes of data to write to flash memory | |
113 | * response is the contents of the first 60 bytes of flash memory | |
114 | * | |
115 | * layout: PP PP VV VV MM MM MM MM MM MM ?? ?? SS SS SS SS SS SS SS SS | |
116 | * SS SS SS SS SS SS SS SS 00 00 00 00 00 00 00 00 00 00 00 00 | |
117 | * 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 | |
118 | * | |
119 | * P: le16 USB Product ID | |
120 | * V: le16 USB Vendor ID | |
121 | * M: be48 MAC Address | |
122 | * S: le16 ASCII Serial Number | |
123 | */ | |
124 | enum cxacru_cm_flash { | |
125 | CM_FLASH_READ = 0xa1, | |
126 | CM_FLASH_WRITE = 0xa2 | |
127 | }; | |
128 | ||
1b0e6146 DS |
129 | /* reply codes to the commands above */ |
130 | enum cxacru_cm_status { | |
131 | CM_STATUS_UNDEFINED, | |
132 | CM_STATUS_SUCCESS, | |
133 | CM_STATUS_ERROR, | |
134 | CM_STATUS_UNSUPPORTED, | |
135 | CM_STATUS_UNIMPLEMENTED, | |
136 | CM_STATUS_PARAMETER_ERROR, | |
137 | CM_STATUS_DBG_LOOPBACK, | |
138 | CM_STATUS_MAX, | |
139 | }; | |
140 | ||
141 | /* indices into CARD_INFO_GET return array */ | |
142 | enum cxacru_info_idx { | |
143 | CXINF_DOWNSTREAM_RATE, | |
144 | CXINF_UPSTREAM_RATE, | |
145 | CXINF_LINK_STATUS, | |
146 | CXINF_LINE_STATUS, | |
147 | CXINF_MAC_ADDRESS_HIGH, | |
148 | CXINF_MAC_ADDRESS_LOW, | |
149 | CXINF_UPSTREAM_SNR_MARGIN, | |
150 | CXINF_DOWNSTREAM_SNR_MARGIN, | |
151 | CXINF_UPSTREAM_ATTENUATION, | |
152 | CXINF_DOWNSTREAM_ATTENUATION, | |
153 | CXINF_TRANSMITTER_POWER, | |
154 | CXINF_UPSTREAM_BITS_PER_FRAME, | |
155 | CXINF_DOWNSTREAM_BITS_PER_FRAME, | |
156 | CXINF_STARTUP_ATTEMPTS, | |
157 | CXINF_UPSTREAM_CRC_ERRORS, | |
158 | CXINF_DOWNSTREAM_CRC_ERRORS, | |
159 | CXINF_UPSTREAM_FEC_ERRORS, | |
160 | CXINF_DOWNSTREAM_FEC_ERRORS, | |
161 | CXINF_UPSTREAM_HEC_ERRORS, | |
162 | CXINF_DOWNSTREAM_HEC_ERRORS, | |
163 | CXINF_LINE_STARTABLE, | |
164 | CXINF_MODULATION, | |
165 | CXINF_ADSL_HEADEND, | |
166 | CXINF_ADSL_HEADEND_ENVIRONMENT, | |
167 | CXINF_CONTROLLER_VERSION, | |
168 | /* dunno what the missing two mean */ | |
169 | CXINF_MAX = 0x1c, | |
170 | }; | |
171 | ||
6a02c996 SA |
172 | enum cxacru_poll_state { |
173 | CXPOLL_STOPPING, | |
174 | CXPOLL_STOPPED, | |
175 | CXPOLL_POLLING, | |
176 | CXPOLL_SHUTDOWN | |
177 | }; | |
178 | ||
1b0e6146 DS |
179 | struct cxacru_modem_type { |
180 | u32 pll_f_clk; | |
181 | u32 pll_b_clk; | |
182 | int boot_rom_patch; | |
183 | }; | |
184 | ||
185 | struct cxacru_data { | |
186 | struct usbatm_data *usbatm; | |
187 | ||
188 | const struct cxacru_modem_type *modem_type; | |
189 | ||
190 | int line_status; | |
6a02c996 SA |
191 | struct mutex adsl_state_serialize; |
192 | int adsl_status; | |
c4028958 | 193 | struct delayed_work poll_work; |
fa70fe44 | 194 | u32 card_info[CXINF_MAX]; |
6a02c996 | 195 | struct mutex poll_state_serialize; |
87e71b47 | 196 | enum cxacru_poll_state poll_state; |
1b0e6146 DS |
197 | |
198 | /* contol handles */ | |
ab3c81ff | 199 | struct mutex cm_serialize; |
1b0e6146 DS |
200 | u8 *rcv_buf; |
201 | u8 *snd_buf; | |
202 | struct urb *rcv_urb; | |
203 | struct urb *snd_urb; | |
204 | struct completion rcv_done; | |
205 | struct completion snd_done; | |
206 | }; | |
207 | ||
6a02c996 SA |
208 | static int cxacru_cm(struct cxacru_data *instance, enum cxacru_cm_request cm, |
209 | u8 *wdata, int wsize, u8 *rdata, int rsize); | |
210 | static void cxacru_poll_status(struct work_struct *work); | |
211 | ||
fa70fe44 SA |
212 | /* Card info exported through sysfs */ |
213 | #define CXACRU__ATTR_INIT(_name) \ | |
214 | static DEVICE_ATTR(_name, S_IRUGO, cxacru_sysfs_show_##_name, NULL) | |
215 | ||
6a02c996 SA |
216 | #define CXACRU_CMD_INIT(_name) \ |
217 | static DEVICE_ATTR(_name, S_IWUSR | S_IRUGO, \ | |
218 | cxacru_sysfs_show_##_name, cxacru_sysfs_store_##_name) | |
219 | ||
4ac37208 SA |
220 | #define CXACRU_SET_INIT(_name) \ |
221 | static DEVICE_ATTR(_name, S_IWUSR, \ | |
222 | NULL, cxacru_sysfs_store_##_name) | |
223 | ||
fa70fe44 SA |
224 | #define CXACRU_ATTR_INIT(_value, _type, _name) \ |
225 | static ssize_t cxacru_sysfs_show_##_name(struct device *dev, \ | |
226 | struct device_attribute *attr, char *buf) \ | |
227 | { \ | |
9fc950d3 SA |
228 | struct cxacru_data *instance = to_usbatm_driver_data(\ |
229 | to_usb_interface(dev)); \ | |
230 | \ | |
231 | if (instance == NULL) \ | |
232 | return -ENODEV; \ | |
233 | \ | |
fa70fe44 SA |
234 | return cxacru_sysfs_showattr_##_type(instance->card_info[_value], buf); \ |
235 | } \ | |
236 | CXACRU__ATTR_INIT(_name) | |
237 | ||
238 | #define CXACRU_ATTR_CREATE(_v, _t, _name) CXACRU_DEVICE_CREATE_FILE(_name) | |
6a02c996 | 239 | #define CXACRU_CMD_CREATE(_name) CXACRU_DEVICE_CREATE_FILE(_name) |
4ac37208 | 240 | #define CXACRU_SET_CREATE(_name) CXACRU_DEVICE_CREATE_FILE(_name) |
fa70fe44 SA |
241 | #define CXACRU__ATTR_CREATE(_name) CXACRU_DEVICE_CREATE_FILE(_name) |
242 | ||
243 | #define CXACRU_ATTR_REMOVE(_v, _t, _name) CXACRU_DEVICE_REMOVE_FILE(_name) | |
6a02c996 | 244 | #define CXACRU_CMD_REMOVE(_name) CXACRU_DEVICE_REMOVE_FILE(_name) |
4ac37208 | 245 | #define CXACRU_SET_REMOVE(_name) CXACRU_DEVICE_REMOVE_FILE(_name) |
fa70fe44 SA |
246 | #define CXACRU__ATTR_REMOVE(_name) CXACRU_DEVICE_REMOVE_FILE(_name) |
247 | ||
248 | static ssize_t cxacru_sysfs_showattr_u32(u32 value, char *buf) | |
249 | { | |
250 | return snprintf(buf, PAGE_SIZE, "%u\n", value); | |
251 | } | |
252 | ||
253 | static ssize_t cxacru_sysfs_showattr_s8(s8 value, char *buf) | |
254 | { | |
255 | return snprintf(buf, PAGE_SIZE, "%d\n", value); | |
256 | } | |
257 | ||
258 | static ssize_t cxacru_sysfs_showattr_dB(s16 value, char *buf) | |
259 | { | |
10107bd0 SA |
260 | if (likely(value >= 0)) { |
261 | return snprintf(buf, PAGE_SIZE, "%u.%02u\n", | |
262 | value / 100, value % 100); | |
263 | } else { | |
264 | value = -value; | |
265 | return snprintf(buf, PAGE_SIZE, "-%u.%02u\n", | |
266 | value / 100, value % 100); | |
267 | } | |
fa70fe44 SA |
268 | } |
269 | ||
270 | static ssize_t cxacru_sysfs_showattr_bool(u32 value, char *buf) | |
271 | { | |
87e71b47 | 272 | static char *str[] = { "no", "yes" }; |
cd32fbad | 273 | |
87e71b47 SA |
274 | if (unlikely(value >= ARRAY_SIZE(str))) |
275 | return snprintf(buf, PAGE_SIZE, "%u\n", value); | |
276 | return snprintf(buf, PAGE_SIZE, "%s\n", str[value]); | |
fa70fe44 SA |
277 | } |
278 | ||
279 | static ssize_t cxacru_sysfs_showattr_LINK(u32 value, char *buf) | |
280 | { | |
87e71b47 | 281 | static char *str[] = { NULL, "not connected", "connected", "lost" }; |
cd32fbad | 282 | |
87e71b47 SA |
283 | if (unlikely(value >= ARRAY_SIZE(str) || str[value] == NULL)) |
284 | return snprintf(buf, PAGE_SIZE, "%u\n", value); | |
285 | return snprintf(buf, PAGE_SIZE, "%s\n", str[value]); | |
fa70fe44 SA |
286 | } |
287 | ||
288 | static ssize_t cxacru_sysfs_showattr_LINE(u32 value, char *buf) | |
289 | { | |
87e71b47 SA |
290 | static char *str[] = { "down", "attempting to activate", |
291 | "training", "channel analysis", "exchange", "up", | |
292 | "waiting", "initialising" | |
293 | }; | |
294 | if (unlikely(value >= ARRAY_SIZE(str))) | |
295 | return snprintf(buf, PAGE_SIZE, "%u\n", value); | |
296 | return snprintf(buf, PAGE_SIZE, "%s\n", str[value]); | |
fa70fe44 SA |
297 | } |
298 | ||
299 | static ssize_t cxacru_sysfs_showattr_MODU(u32 value, char *buf) | |
300 | { | |
87e71b47 | 301 | static char *str[] = { |
1bfbd283 | 302 | "", |
87e71b47 SA |
303 | "ANSI T1.413", |
304 | "ITU-T G.992.1 (G.DMT)", | |
305 | "ITU-T G.992.2 (G.LITE)" | |
306 | }; | |
1bfbd283 | 307 | if (unlikely(value >= ARRAY_SIZE(str))) |
87e71b47 SA |
308 | return snprintf(buf, PAGE_SIZE, "%u\n", value); |
309 | return snprintf(buf, PAGE_SIZE, "%s\n", str[value]); | |
fa70fe44 SA |
310 | } |
311 | ||
312 | /* | |
313 | * This could use MAC_ADDRESS_HIGH and MAC_ADDRESS_LOW, but since | |
314 | * this data is already in atm_dev there's no point. | |
315 | * | |
316 | * MAC_ADDRESS_HIGH = 0x????5544 | |
317 | * MAC_ADDRESS_LOW = 0x33221100 | |
318 | * Where 00-55 are bytes 0-5 of the MAC. | |
319 | */ | |
320 | static ssize_t cxacru_sysfs_show_mac_address(struct device *dev, | |
321 | struct device_attribute *attr, char *buf) | |
322 | { | |
9fc950d3 SA |
323 | struct cxacru_data *instance = to_usbatm_driver_data( |
324 | to_usb_interface(dev)); | |
fa70fe44 | 325 | |
9fc950d3 SA |
326 | if (instance == NULL || instance->usbatm->atm_dev == NULL) |
327 | return -ENODEV; | |
328 | ||
329 | return snprintf(buf, PAGE_SIZE, "%pM\n", | |
330 | instance->usbatm->atm_dev->esi); | |
fa70fe44 SA |
331 | } |
332 | ||
6a02c996 SA |
333 | static ssize_t cxacru_sysfs_show_adsl_state(struct device *dev, |
334 | struct device_attribute *attr, char *buf) | |
335 | { | |
87e71b47 | 336 | static char *str[] = { "running", "stopped" }; |
9fc950d3 SA |
337 | struct cxacru_data *instance = to_usbatm_driver_data( |
338 | to_usb_interface(dev)); | |
339 | u32 value; | |
340 | ||
341 | if (instance == NULL) | |
342 | return -ENODEV; | |
343 | ||
344 | value = instance->card_info[CXINF_LINE_STARTABLE]; | |
87e71b47 SA |
345 | if (unlikely(value >= ARRAY_SIZE(str))) |
346 | return snprintf(buf, PAGE_SIZE, "%u\n", value); | |
347 | return snprintf(buf, PAGE_SIZE, "%s\n", str[value]); | |
6a02c996 SA |
348 | } |
349 | ||
350 | static ssize_t cxacru_sysfs_store_adsl_state(struct device *dev, | |
351 | struct device_attribute *attr, const char *buf, size_t count) | |
352 | { | |
9fc950d3 SA |
353 | struct cxacru_data *instance = to_usbatm_driver_data( |
354 | to_usb_interface(dev)); | |
6a02c996 SA |
355 | int ret; |
356 | int poll = -1; | |
357 | char str_cmd[8]; | |
358 | int len = strlen(buf); | |
359 | ||
360 | if (!capable(CAP_NET_ADMIN)) | |
361 | return -EACCES; | |
362 | ||
363 | ret = sscanf(buf, "%7s", str_cmd); | |
364 | if (ret != 1) | |
365 | return -EINVAL; | |
366 | ret = 0; | |
367 | ||
9fc950d3 SA |
368 | if (instance == NULL) |
369 | return -ENODEV; | |
370 | ||
6a02c996 SA |
371 | if (mutex_lock_interruptible(&instance->adsl_state_serialize)) |
372 | return -ERESTARTSYS; | |
373 | ||
374 | if (!strcmp(str_cmd, "stop") || !strcmp(str_cmd, "restart")) { | |
375 | ret = cxacru_cm(instance, CM_REQUEST_CHIP_ADSL_LINE_STOP, NULL, 0, NULL, 0); | |
376 | if (ret < 0) { | |
9fc950d3 | 377 | atm_err(instance->usbatm, "change adsl state:" |
6a02c996 SA |
378 | " CHIP_ADSL_LINE_STOP returned %d\n", ret); |
379 | ||
380 | ret = -EIO; | |
381 | } else { | |
382 | ret = len; | |
383 | poll = CXPOLL_STOPPED; | |
384 | } | |
385 | } | |
386 | ||
387 | /* Line status is only updated every second | |
388 | * and the device appears to only react to | |
389 | * START/STOP every second too. Wait 1.5s to | |
390 | * be sure that restart will have an effect. */ | |
391 | if (!strcmp(str_cmd, "restart")) | |
392 | msleep(1500); | |
393 | ||
394 | if (!strcmp(str_cmd, "start") || !strcmp(str_cmd, "restart")) { | |
395 | ret = cxacru_cm(instance, CM_REQUEST_CHIP_ADSL_LINE_START, NULL, 0, NULL, 0); | |
396 | if (ret < 0) { | |
9fc950d3 | 397 | atm_err(instance->usbatm, "change adsl state:" |
6a02c996 SA |
398 | " CHIP_ADSL_LINE_START returned %d\n", ret); |
399 | ||
400 | ret = -EIO; | |
401 | } else { | |
402 | ret = len; | |
403 | poll = CXPOLL_POLLING; | |
404 | } | |
405 | } | |
406 | ||
407 | if (!strcmp(str_cmd, "poll")) { | |
408 | ret = len; | |
409 | poll = CXPOLL_POLLING; | |
410 | } | |
411 | ||
412 | if (ret == 0) { | |
413 | ret = -EINVAL; | |
414 | poll = -1; | |
415 | } | |
416 | ||
417 | if (poll == CXPOLL_POLLING) { | |
418 | mutex_lock(&instance->poll_state_serialize); | |
419 | switch (instance->poll_state) { | |
420 | case CXPOLL_STOPPED: | |
421 | /* start polling */ | |
422 | instance->poll_state = CXPOLL_POLLING; | |
423 | break; | |
424 | ||
425 | case CXPOLL_STOPPING: | |
426 | /* abort stop request */ | |
427 | instance->poll_state = CXPOLL_POLLING; | |
428 | case CXPOLL_POLLING: | |
429 | case CXPOLL_SHUTDOWN: | |
430 | /* don't start polling */ | |
431 | poll = -1; | |
432 | } | |
433 | mutex_unlock(&instance->poll_state_serialize); | |
434 | } else if (poll == CXPOLL_STOPPED) { | |
435 | mutex_lock(&instance->poll_state_serialize); | |
436 | /* request stop */ | |
437 | if (instance->poll_state == CXPOLL_POLLING) | |
438 | instance->poll_state = CXPOLL_STOPPING; | |
439 | mutex_unlock(&instance->poll_state_serialize); | |
440 | } | |
441 | ||
442 | mutex_unlock(&instance->adsl_state_serialize); | |
443 | ||
444 | if (poll == CXPOLL_POLLING) | |
445 | cxacru_poll_status(&instance->poll_work.work); | |
446 | ||
447 | return ret; | |
448 | } | |
449 | ||
4ac37208 SA |
450 | /* CM_REQUEST_CARD_DATA_GET times out, so no show attribute */ |
451 | ||
452 | static ssize_t cxacru_sysfs_store_adsl_config(struct device *dev, | |
453 | struct device_attribute *attr, const char *buf, size_t count) | |
454 | { | |
455 | struct cxacru_data *instance = to_usbatm_driver_data( | |
456 | to_usb_interface(dev)); | |
457 | int len = strlen(buf); | |
458 | int ret, pos, num; | |
459 | __le32 data[CMD_PACKET_SIZE / 4]; | |
460 | ||
461 | if (!capable(CAP_NET_ADMIN)) | |
462 | return -EACCES; | |
463 | ||
464 | if (instance == NULL) | |
465 | return -ENODEV; | |
466 | ||
467 | pos = 0; | |
468 | num = 0; | |
469 | while (pos < len) { | |
470 | int tmp; | |
471 | u32 index; | |
472 | u32 value; | |
473 | ||
474 | ret = sscanf(buf + pos, "%x=%x%n", &index, &value, &tmp); | |
475 | if (ret < 2) | |
476 | return -EINVAL; | |
477 | if (index < 0 || index > 0x7f) | |
478 | return -EINVAL; | |
46e3cafb DC |
479 | if (tmp < 0 || tmp > len - pos) |
480 | return -EINVAL; | |
4ac37208 SA |
481 | pos += tmp; |
482 | ||
483 | /* skip trailing newline */ | |
484 | if (buf[pos] == '\n' && pos == len-1) | |
485 | pos++; | |
486 | ||
487 | data[num * 2 + 1] = cpu_to_le32(index); | |
488 | data[num * 2 + 2] = cpu_to_le32(value); | |
489 | num++; | |
490 | ||
491 | /* send config values when data buffer is full | |
492 | * or no more data | |
493 | */ | |
494 | if (pos >= len || num >= CMD_MAX_CONFIG) { | |
495 | char log[CMD_MAX_CONFIG * 12 + 1]; /* %02x=%08x */ | |
496 | ||
497 | data[0] = cpu_to_le32(num); | |
498 | ret = cxacru_cm(instance, CM_REQUEST_CARD_DATA_SET, | |
499 | (u8 *) data, 4 + num * 8, NULL, 0); | |
500 | if (ret < 0) { | |
501 | atm_err(instance->usbatm, | |
502 | "set card data returned %d\n", ret); | |
503 | return -EIO; | |
504 | } | |
505 | ||
506 | for (tmp = 0; tmp < num; tmp++) | |
507 | snprintf(log + tmp*12, 13, " %02x=%08x", | |
508 | le32_to_cpu(data[tmp * 2 + 1]), | |
509 | le32_to_cpu(data[tmp * 2 + 2])); | |
510 | atm_info(instance->usbatm, "config%s\n", log); | |
511 | num = 0; | |
512 | } | |
513 | } | |
514 | ||
515 | return len; | |
516 | } | |
517 | ||
fa70fe44 SA |
518 | /* |
519 | * All device attributes are included in CXACRU_ALL_FILES | |
520 | * so that the same list can be used multiple times: | |
521 | * INIT (define the device attributes) | |
522 | * CREATE (create all the device files) | |
523 | * REMOVE (remove all the device files) | |
524 | * | |
525 | * With the last two being defined as needed in the functions | |
526 | * they are used in before calling CXACRU_ALL_FILES() | |
527 | */ | |
528 | #define CXACRU_ALL_FILES(_action) \ | |
529 | CXACRU_ATTR_##_action(CXINF_DOWNSTREAM_RATE, u32, downstream_rate); \ | |
530 | CXACRU_ATTR_##_action(CXINF_UPSTREAM_RATE, u32, upstream_rate); \ | |
531 | CXACRU_ATTR_##_action(CXINF_LINK_STATUS, LINK, link_status); \ | |
532 | CXACRU_ATTR_##_action(CXINF_LINE_STATUS, LINE, line_status); \ | |
533 | CXACRU__ATTR_##_action( mac_address); \ | |
534 | CXACRU_ATTR_##_action(CXINF_UPSTREAM_SNR_MARGIN, dB, upstream_snr_margin); \ | |
535 | CXACRU_ATTR_##_action(CXINF_DOWNSTREAM_SNR_MARGIN, dB, downstream_snr_margin); \ | |
536 | CXACRU_ATTR_##_action(CXINF_UPSTREAM_ATTENUATION, dB, upstream_attenuation); \ | |
537 | CXACRU_ATTR_##_action(CXINF_DOWNSTREAM_ATTENUATION, dB, downstream_attenuation); \ | |
538 | CXACRU_ATTR_##_action(CXINF_TRANSMITTER_POWER, s8, transmitter_power); \ | |
539 | CXACRU_ATTR_##_action(CXINF_UPSTREAM_BITS_PER_FRAME, u32, upstream_bits_per_frame); \ | |
540 | CXACRU_ATTR_##_action(CXINF_DOWNSTREAM_BITS_PER_FRAME, u32, downstream_bits_per_frame); \ | |
541 | CXACRU_ATTR_##_action(CXINF_STARTUP_ATTEMPTS, u32, startup_attempts); \ | |
542 | CXACRU_ATTR_##_action(CXINF_UPSTREAM_CRC_ERRORS, u32, upstream_crc_errors); \ | |
543 | CXACRU_ATTR_##_action(CXINF_DOWNSTREAM_CRC_ERRORS, u32, downstream_crc_errors); \ | |
544 | CXACRU_ATTR_##_action(CXINF_UPSTREAM_FEC_ERRORS, u32, upstream_fec_errors); \ | |
545 | CXACRU_ATTR_##_action(CXINF_DOWNSTREAM_FEC_ERRORS, u32, downstream_fec_errors); \ | |
546 | CXACRU_ATTR_##_action(CXINF_UPSTREAM_HEC_ERRORS, u32, upstream_hec_errors); \ | |
547 | CXACRU_ATTR_##_action(CXINF_DOWNSTREAM_HEC_ERRORS, u32, downstream_hec_errors); \ | |
548 | CXACRU_ATTR_##_action(CXINF_LINE_STARTABLE, bool, line_startable); \ | |
549 | CXACRU_ATTR_##_action(CXINF_MODULATION, MODU, modulation); \ | |
550 | CXACRU_ATTR_##_action(CXINF_ADSL_HEADEND, u32, adsl_headend); \ | |
551 | CXACRU_ATTR_##_action(CXINF_ADSL_HEADEND_ENVIRONMENT, u32, adsl_headend_environment); \ | |
6a02c996 | 552 | CXACRU_ATTR_##_action(CXINF_CONTROLLER_VERSION, u32, adsl_controller_version); \ |
4ac37208 SA |
553 | CXACRU_CMD_##_action( adsl_state); \ |
554 | CXACRU_SET_##_action( adsl_config); | |
fa70fe44 SA |
555 | |
556 | CXACRU_ALL_FILES(INIT); | |
557 | ||
1b0e6146 | 558 | /* the following three functions are stolen from drivers/usb/core/message.c */ |
7d12e780 | 559 | static void cxacru_blocking_completion(struct urb *urb) |
1b0e6146 | 560 | { |
cdc97792 | 561 | complete(urb->context); |
1b0e6146 DS |
562 | } |
563 | ||
564 | static void cxacru_timeout_kill(unsigned long data) | |
565 | { | |
566 | usb_unlink_urb((struct urb *) data); | |
567 | } | |
568 | ||
569 | static int cxacru_start_wait_urb(struct urb *urb, struct completion *done, | |
83a3ac86 | 570 | int *actual_length) |
1b0e6146 DS |
571 | { |
572 | struct timer_list timer; | |
1b0e6146 DS |
573 | |
574 | init_timer(&timer); | |
575 | timer.expires = jiffies + msecs_to_jiffies(CMD_TIMEOUT); | |
576 | timer.data = (unsigned long) urb; | |
577 | timer.function = cxacru_timeout_kill; | |
578 | add_timer(&timer); | |
579 | wait_for_completion(done); | |
1b0e6146 DS |
580 | del_timer_sync(&timer); |
581 | ||
582 | if (actual_length) | |
583 | *actual_length = urb->actual_length; | |
3b79cc26 | 584 | return urb->status; /* must read status after completion */ |
1b0e6146 DS |
585 | } |
586 | ||
587 | static int cxacru_cm(struct cxacru_data *instance, enum cxacru_cm_request cm, | |
588 | u8 *wdata, int wsize, u8 *rdata, int rsize) | |
589 | { | |
590 | int ret, actlen; | |
591 | int offb, offd; | |
592 | const int stride = CMD_PACKET_SIZE - 4; | |
593 | u8 *wbuf = instance->snd_buf; | |
594 | u8 *rbuf = instance->rcv_buf; | |
595 | int wbuflen = ((wsize - 1) / stride + 1) * CMD_PACKET_SIZE; | |
596 | int rbuflen = ((rsize - 1) / stride + 1) * CMD_PACKET_SIZE; | |
597 | ||
598 | if (wbuflen > PAGE_SIZE || rbuflen > PAGE_SIZE) { | |
4ac0718e SA |
599 | if (printk_ratelimit()) |
600 | usb_err(instance->usbatm, "requested transfer size too large (%d, %d)\n", | |
601 | wbuflen, rbuflen); | |
1b0e6146 | 602 | ret = -ENOMEM; |
eeafa64b | 603 | goto err; |
1b0e6146 DS |
604 | } |
605 | ||
ab3c81ff | 606 | mutex_lock(&instance->cm_serialize); |
1b0e6146 DS |
607 | |
608 | /* submit reading urb before the writing one */ | |
609 | init_completion(&instance->rcv_done); | |
610 | ret = usb_submit_urb(instance->rcv_urb, GFP_KERNEL); | |
611 | if (ret < 0) { | |
4ac0718e SA |
612 | if (printk_ratelimit()) |
613 | usb_err(instance->usbatm, "submit of read urb for cm %#x failed (%d)\n", | |
614 | cm, ret); | |
1b0e6146 DS |
615 | goto fail; |
616 | } | |
617 | ||
618 | memset(wbuf, 0, wbuflen); | |
619 | /* handle wsize == 0 */ | |
620 | wbuf[0] = cm; | |
621 | for (offb = offd = 0; offd < wsize; offd += stride, offb += CMD_PACKET_SIZE) { | |
622 | wbuf[offb] = cm; | |
623 | memcpy(wbuf + offb + 4, wdata + offd, min_t(int, stride, wsize - offd)); | |
624 | } | |
625 | ||
626 | instance->snd_urb->transfer_buffer_length = wbuflen; | |
627 | init_completion(&instance->snd_done); | |
628 | ret = usb_submit_urb(instance->snd_urb, GFP_KERNEL); | |
629 | if (ret < 0) { | |
4ac0718e SA |
630 | if (printk_ratelimit()) |
631 | usb_err(instance->usbatm, "submit of write urb for cm %#x failed (%d)\n", | |
632 | cm, ret); | |
1b0e6146 DS |
633 | goto fail; |
634 | } | |
635 | ||
636 | ret = cxacru_start_wait_urb(instance->snd_urb, &instance->snd_done, NULL); | |
637 | if (ret < 0) { | |
4ac0718e SA |
638 | if (printk_ratelimit()) |
639 | usb_err(instance->usbatm, "send of cm %#x failed (%d)\n", cm, ret); | |
1b0e6146 DS |
640 | goto fail; |
641 | } | |
642 | ||
643 | ret = cxacru_start_wait_urb(instance->rcv_urb, &instance->rcv_done, &actlen); | |
644 | if (ret < 0) { | |
4ac0718e SA |
645 | if (printk_ratelimit()) |
646 | usb_err(instance->usbatm, "receive of cm %#x failed (%d)\n", cm, ret); | |
1b0e6146 DS |
647 | goto fail; |
648 | } | |
649 | if (actlen % CMD_PACKET_SIZE || !actlen) { | |
4ac0718e SA |
650 | if (printk_ratelimit()) |
651 | usb_err(instance->usbatm, "invalid response length to cm %#x: %d\n", | |
652 | cm, actlen); | |
1b0e6146 DS |
653 | ret = -EIO; |
654 | goto fail; | |
655 | } | |
656 | ||
657 | /* check the return status and copy the data to the output buffer, if needed */ | |
658 | for (offb = offd = 0; offd < rsize && offb < actlen; offb += CMD_PACKET_SIZE) { | |
659 | if (rbuf[offb] != cm) { | |
4ac0718e SA |
660 | if (printk_ratelimit()) |
661 | usb_err(instance->usbatm, "wrong cm %#x in response to cm %#x\n", | |
662 | rbuf[offb], cm); | |
1b0e6146 DS |
663 | ret = -EIO; |
664 | goto fail; | |
665 | } | |
666 | if (rbuf[offb + 1] != CM_STATUS_SUCCESS) { | |
4ac0718e SA |
667 | if (printk_ratelimit()) |
668 | usb_err(instance->usbatm, "response to cm %#x failed: %#x\n", | |
669 | cm, rbuf[offb + 1]); | |
1b0e6146 DS |
670 | ret = -EIO; |
671 | goto fail; | |
672 | } | |
673 | if (offd >= rsize) | |
674 | break; | |
675 | memcpy(rdata + offd, rbuf + offb + 4, min_t(int, stride, rsize - offd)); | |
676 | offd += stride; | |
677 | } | |
678 | ||
679 | ret = offd; | |
77c9e125 | 680 | usb_dbg(instance->usbatm, "cm %#x\n", cm); |
1b0e6146 | 681 | fail: |
ab3c81ff | 682 | mutex_unlock(&instance->cm_serialize); |
eeafa64b | 683 | err: |
1b0e6146 DS |
684 | return ret; |
685 | } | |
686 | ||
687 | static int cxacru_cm_get_array(struct cxacru_data *instance, enum cxacru_cm_request cm, | |
688 | u32 *data, int size) | |
689 | { | |
690 | int ret, len; | |
fd05e720 | 691 | __le32 *buf; |
2a0ebf80 DC |
692 | int offb; |
693 | unsigned int offd; | |
1b0e6146 DS |
694 | const int stride = CMD_PACKET_SIZE / (4 * 2) - 1; |
695 | int buflen = ((size - 1) / stride + 1 + size * 2) * 4; | |
696 | ||
697 | buf = kmalloc(buflen, GFP_KERNEL); | |
698 | if (!buf) | |
699 | return -ENOMEM; | |
700 | ||
701 | ret = cxacru_cm(instance, cm, NULL, 0, (u8 *) buf, buflen); | |
702 | if (ret < 0) | |
703 | goto cleanup; | |
704 | ||
705 | /* len > 0 && len % 4 == 0 guaranteed by cxacru_cm() */ | |
706 | len = ret / 4; | |
707 | for (offb = 0; offb < len; ) { | |
708 | int l = le32_to_cpu(buf[offb++]); | |
cd32fbad | 709 | |
5d0a9c79 | 710 | if (l < 0 || l > stride || l > (len - offb) / 2) { |
4ac0718e SA |
711 | if (printk_ratelimit()) |
712 | usb_err(instance->usbatm, "invalid data length from cm %#x: %d\n", | |
713 | cm, l); | |
1b0e6146 DS |
714 | ret = -EIO; |
715 | goto cleanup; | |
716 | } | |
717 | while (l--) { | |
718 | offd = le32_to_cpu(buf[offb++]); | |
719 | if (offd >= size) { | |
4ac0718e | 720 | if (printk_ratelimit()) |
230ffc75 | 721 | usb_err(instance->usbatm, "wrong index %#x in response to cm %#x\n", |
4ac0718e | 722 | offd, cm); |
1b0e6146 DS |
723 | ret = -EIO; |
724 | goto cleanup; | |
725 | } | |
726 | data[offd] = le32_to_cpu(buf[offb++]); | |
727 | } | |
728 | } | |
729 | ||
730 | ret = 0; | |
731 | ||
732 | cleanup: | |
733 | kfree(buf); | |
734 | return ret; | |
735 | } | |
736 | ||
737 | static int cxacru_card_status(struct cxacru_data *instance) | |
738 | { | |
739 | int ret = cxacru_cm(instance, CM_REQUEST_CARD_GET_STATUS, NULL, 0, NULL, 0); | |
cd32fbad | 740 | |
1b0e6146 | 741 | if (ret < 0) { /* firmware not loaded */ |
77c9e125 | 742 | usb_dbg(instance->usbatm, "cxacru_adsl_start: CARD_GET_STATUS returned %d\n", ret); |
1b0e6146 DS |
743 | return ret; |
744 | } | |
745 | return 0; | |
746 | } | |
747 | ||
da1f82b5 SA |
748 | static void cxacru_remove_device_files(struct usbatm_data *usbatm_instance, |
749 | struct atm_dev *atm_dev) | |
750 | { | |
751 | struct usb_interface *intf = usbatm_instance->usb_intf; | |
752 | ||
753 | #define CXACRU_DEVICE_REMOVE_FILE(_name) \ | |
754 | device_remove_file(&intf->dev, &dev_attr_##_name); | |
755 | CXACRU_ALL_FILES(REMOVE); | |
756 | #undef CXACRU_DEVICE_REMOVE_FILE | |
757 | } | |
758 | ||
1b0e6146 DS |
759 | static int cxacru_atm_start(struct usbatm_data *usbatm_instance, |
760 | struct atm_dev *atm_dev) | |
761 | { | |
762 | struct cxacru_data *instance = usbatm_instance->driver_data; | |
da1f82b5 | 763 | struct usb_interface *intf = usbatm_instance->usb_intf; |
1b0e6146 | 764 | int ret; |
6a02c996 | 765 | int start_polling = 1; |
1b0e6146 | 766 | |
77c9e125 | 767 | dev_dbg(&intf->dev, "%s\n", __func__); |
1b0e6146 DS |
768 | |
769 | /* Read MAC address */ | |
770 | ret = cxacru_cm(instance, CM_REQUEST_CARD_GET_MAC_ADDRESS, NULL, 0, | |
771 | atm_dev->esi, sizeof(atm_dev->esi)); | |
772 | if (ret < 0) { | |
0ec3c7e8 | 773 | atm_err(usbatm_instance, "cxacru_atm_start: CARD_GET_MAC_ADDRESS returned %d\n", ret); |
1b0e6146 DS |
774 | return ret; |
775 | } | |
776 | ||
da1f82b5 SA |
777 | #define CXACRU_DEVICE_CREATE_FILE(_name) \ |
778 | ret = device_create_file(&intf->dev, &dev_attr_##_name); \ | |
779 | if (unlikely(ret)) \ | |
780 | goto fail_sysfs; | |
781 | CXACRU_ALL_FILES(CREATE); | |
782 | #undef CXACRU_DEVICE_CREATE_FILE | |
783 | ||
1b0e6146 | 784 | /* start ADSL */ |
6a02c996 | 785 | mutex_lock(&instance->adsl_state_serialize); |
1b0e6146 | 786 | ret = cxacru_cm(instance, CM_REQUEST_CHIP_ADSL_LINE_START, NULL, 0, NULL, 0); |
fd209e35 | 787 | if (ret < 0) |
0ec3c7e8 | 788 | atm_err(usbatm_instance, "cxacru_atm_start: CHIP_ADSL_LINE_START returned %d\n", ret); |
1b0e6146 DS |
789 | |
790 | /* Start status polling */ | |
6a02c996 SA |
791 | mutex_lock(&instance->poll_state_serialize); |
792 | switch (instance->poll_state) { | |
793 | case CXPOLL_STOPPED: | |
794 | /* start polling */ | |
795 | instance->poll_state = CXPOLL_POLLING; | |
796 | break; | |
797 | ||
798 | case CXPOLL_STOPPING: | |
799 | /* abort stop request */ | |
800 | instance->poll_state = CXPOLL_POLLING; | |
801 | case CXPOLL_POLLING: | |
802 | case CXPOLL_SHUTDOWN: | |
803 | /* don't start polling */ | |
804 | start_polling = 0; | |
805 | } | |
806 | mutex_unlock(&instance->poll_state_serialize); | |
807 | mutex_unlock(&instance->adsl_state_serialize); | |
808 | ||
885582c4 SA |
809 | printk(KERN_INFO "%s%d: %s %pM\n", atm_dev->type, atm_dev->number, |
810 | usbatm_instance->description, atm_dev->esi); | |
811 | ||
6a02c996 SA |
812 | if (start_polling) |
813 | cxacru_poll_status(&instance->poll_work.work); | |
1b0e6146 | 814 | return 0; |
da1f82b5 SA |
815 | |
816 | fail_sysfs: | |
817 | usb_err(usbatm_instance, "cxacru_atm_start: device_create_file failed (%d)\n", ret); | |
818 | cxacru_remove_device_files(usbatm_instance, atm_dev); | |
819 | return ret; | |
1b0e6146 DS |
820 | } |
821 | ||
c4028958 | 822 | static void cxacru_poll_status(struct work_struct *work) |
1b0e6146 | 823 | { |
c4028958 DH |
824 | struct cxacru_data *instance = |
825 | container_of(work, struct cxacru_data, poll_work.work); | |
1b0e6146 | 826 | u32 buf[CXINF_MAX] = {}; |
0ec3c7e8 DS |
827 | struct usbatm_data *usbatm = instance->usbatm; |
828 | struct atm_dev *atm_dev = usbatm->atm_dev; | |
6a02c996 | 829 | int keep_polling = 1; |
1b0e6146 DS |
830 | int ret; |
831 | ||
832 | ret = cxacru_cm_get_array(instance, CM_REQUEST_CARD_INFO_GET, buf, CXINF_MAX); | |
833 | if (ret < 0) { | |
6a02c996 SA |
834 | if (ret != -ESHUTDOWN) |
835 | atm_warn(usbatm, "poll status: error %d\n", ret); | |
836 | ||
837 | mutex_lock(&instance->poll_state_serialize); | |
838 | if (instance->poll_state != CXPOLL_SHUTDOWN) { | |
839 | instance->poll_state = CXPOLL_STOPPED; | |
840 | ||
841 | if (ret != -ESHUTDOWN) | |
842 | atm_warn(usbatm, "polling disabled, set adsl_state" | |
843 | " to 'start' or 'poll' to resume\n"); | |
844 | } | |
845 | mutex_unlock(&instance->poll_state_serialize); | |
1b0e6146 DS |
846 | goto reschedule; |
847 | } | |
848 | ||
fa70fe44 SA |
849 | memcpy(instance->card_info, buf, sizeof(instance->card_info)); |
850 | ||
6a02c996 SA |
851 | if (instance->adsl_status != buf[CXINF_LINE_STARTABLE]) { |
852 | instance->adsl_status = buf[CXINF_LINE_STARTABLE]; | |
853 | ||
854 | switch (instance->adsl_status) { | |
855 | case 0: | |
856 | atm_printk(KERN_INFO, usbatm, "ADSL state: running\n"); | |
857 | break; | |
858 | ||
859 | case 1: | |
860 | atm_printk(KERN_INFO, usbatm, "ADSL state: stopped\n"); | |
861 | break; | |
862 | ||
863 | default: | |
864 | atm_printk(KERN_INFO, usbatm, "Unknown adsl status %02x\n", instance->adsl_status); | |
865 | break; | |
866 | } | |
867 | } | |
868 | ||
1b0e6146 DS |
869 | if (instance->line_status == buf[CXINF_LINE_STATUS]) |
870 | goto reschedule; | |
871 | ||
872 | instance->line_status = buf[CXINF_LINE_STATUS]; | |
873 | switch (instance->line_status) { | |
874 | case 0: | |
676f3d26 | 875 | atm_dev_signal_change(atm_dev, ATM_PHY_SIG_LOST); |
0ec3c7e8 | 876 | atm_info(usbatm, "ADSL line: down\n"); |
1b0e6146 DS |
877 | break; |
878 | ||
879 | case 1: | |
676f3d26 | 880 | atm_dev_signal_change(atm_dev, ATM_PHY_SIG_LOST); |
0ec3c7e8 | 881 | atm_info(usbatm, "ADSL line: attempting to activate\n"); |
1b0e6146 DS |
882 | break; |
883 | ||
884 | case 2: | |
676f3d26 | 885 | atm_dev_signal_change(atm_dev, ATM_PHY_SIG_LOST); |
0ec3c7e8 | 886 | atm_info(usbatm, "ADSL line: training\n"); |
1b0e6146 DS |
887 | break; |
888 | ||
889 | case 3: | |
676f3d26 | 890 | atm_dev_signal_change(atm_dev, ATM_PHY_SIG_LOST); |
0ec3c7e8 | 891 | atm_info(usbatm, "ADSL line: channel analysis\n"); |
1b0e6146 DS |
892 | break; |
893 | ||
894 | case 4: | |
676f3d26 | 895 | atm_dev_signal_change(atm_dev, ATM_PHY_SIG_LOST); |
0ec3c7e8 | 896 | atm_info(usbatm, "ADSL line: exchange\n"); |
1b0e6146 DS |
897 | break; |
898 | ||
899 | case 5: | |
900 | atm_dev->link_rate = buf[CXINF_DOWNSTREAM_RATE] * 1000 / 424; | |
676f3d26 | 901 | atm_dev_signal_change(atm_dev, ATM_PHY_SIG_FOUND); |
1b0e6146 | 902 | |
0ec3c7e8 | 903 | atm_info(usbatm, "ADSL line: up (%d kb/s down | %d kb/s up)\n", |
1b0e6146 DS |
904 | buf[CXINF_DOWNSTREAM_RATE], buf[CXINF_UPSTREAM_RATE]); |
905 | break; | |
906 | ||
907 | case 6: | |
676f3d26 | 908 | atm_dev_signal_change(atm_dev, ATM_PHY_SIG_LOST); |
0ec3c7e8 | 909 | atm_info(usbatm, "ADSL line: waiting\n"); |
1b0e6146 DS |
910 | break; |
911 | ||
912 | case 7: | |
676f3d26 | 913 | atm_dev_signal_change(atm_dev, ATM_PHY_SIG_LOST); |
0ec3c7e8 | 914 | atm_info(usbatm, "ADSL line: initializing\n"); |
1b0e6146 DS |
915 | break; |
916 | ||
917 | default: | |
676f3d26 | 918 | atm_dev_signal_change(atm_dev, ATM_PHY_SIG_UNKNOWN); |
0ec3c7e8 | 919 | atm_info(usbatm, "Unknown line state %02x\n", instance->line_status); |
1b0e6146 DS |
920 | break; |
921 | } | |
922 | reschedule: | |
6a02c996 SA |
923 | |
924 | mutex_lock(&instance->poll_state_serialize); | |
925 | if (instance->poll_state == CXPOLL_STOPPING && | |
926 | instance->adsl_status == 1 && /* stopped */ | |
927 | instance->line_status == 0) /* down */ | |
928 | instance->poll_state = CXPOLL_STOPPED; | |
929 | ||
930 | if (instance->poll_state == CXPOLL_STOPPED) | |
931 | keep_polling = 0; | |
932 | mutex_unlock(&instance->poll_state_serialize); | |
933 | ||
934 | if (keep_polling) | |
935 | schedule_delayed_work(&instance->poll_work, | |
936 | round_jiffies_relative(POLL_INTERVAL*HZ)); | |
1b0e6146 DS |
937 | } |
938 | ||
939 | static int cxacru_fw(struct usb_device *usb_dev, enum cxacru_fw_request fw, | |
3b216d18 | 940 | u8 code1, u8 code2, u32 addr, const u8 *data, int size) |
1b0e6146 DS |
941 | { |
942 | int ret; | |
943 | u8 *buf; | |
944 | int offd, offb; | |
945 | const int stride = CMD_PACKET_SIZE - 8; | |
946 | ||
947 | buf = (u8 *) __get_free_page(GFP_KERNEL); | |
948 | if (!buf) | |
949 | return -ENOMEM; | |
950 | ||
951 | offb = offd = 0; | |
952 | do { | |
953 | int l = min_t(int, stride, size - offd); | |
cd32fbad | 954 | |
1b0e6146 DS |
955 | buf[offb++] = fw; |
956 | buf[offb++] = l; | |
957 | buf[offb++] = code1; | |
958 | buf[offb++] = code2; | |
fd05e720 | 959 | put_unaligned(cpu_to_le32(addr), (__le32 *)(buf + offb)); |
1b0e6146 DS |
960 | offb += 4; |
961 | addr += l; | |
83a3ac86 | 962 | if (l) |
1b0e6146 DS |
963 | memcpy(buf + offb, data + offd, l); |
964 | if (l < stride) | |
965 | memset(buf + offb + l, 0, stride - l); | |
966 | offb += stride; | |
967 | offd += stride; | |
968 | if ((offb >= PAGE_SIZE) || (offd >= size)) { | |
969 | ret = usb_bulk_msg(usb_dev, usb_sndbulkpipe(usb_dev, CXACRU_EP_CMD), | |
970 | buf, offb, NULL, CMD_TIMEOUT); | |
971 | if (ret < 0) { | |
77c9e125 | 972 | dev_dbg(&usb_dev->dev, "sending fw %#x failed\n", fw); |
1b0e6146 DS |
973 | goto cleanup; |
974 | } | |
975 | offb = 0; | |
976 | } | |
83a3ac86 | 977 | } while (offd < size); |
77c9e125 | 978 | dev_dbg(&usb_dev->dev, "sent fw %#x\n", fw); |
1b0e6146 DS |
979 | |
980 | ret = 0; | |
981 | ||
982 | cleanup: | |
983 | free_page((unsigned long) buf); | |
984 | return ret; | |
985 | } | |
986 | ||
987 | static void cxacru_upload_firmware(struct cxacru_data *instance, | |
988 | const struct firmware *fw, | |
817db5b3 | 989 | const struct firmware *bp) |
1b0e6146 DS |
990 | { |
991 | int ret; | |
0ec3c7e8 DS |
992 | struct usbatm_data *usbatm = instance->usbatm; |
993 | struct usb_device *usb_dev = usbatm->usb_dev; | |
fd05e720 AV |
994 | __le16 signature[] = { usb_dev->descriptor.idVendor, |
995 | usb_dev->descriptor.idProduct }; | |
996 | __le32 val; | |
1b0e6146 | 997 | |
77c9e125 | 998 | usb_dbg(usbatm, "%s\n", __func__); |
1b0e6146 DS |
999 | |
1000 | /* FirmwarePllFClkValue */ | |
1001 | val = cpu_to_le32(instance->modem_type->pll_f_clk); | |
1002 | ret = cxacru_fw(usb_dev, FW_WRITE_MEM, 0x2, 0x0, PLLFCLK_ADDR, (u8 *) &val, 4); | |
1003 | if (ret) { | |
0ec3c7e8 | 1004 | usb_err(usbatm, "FirmwarePllFClkValue failed: %d\n", ret); |
1b0e6146 DS |
1005 | return; |
1006 | } | |
1007 | ||
1008 | /* FirmwarePllBClkValue */ | |
1009 | val = cpu_to_le32(instance->modem_type->pll_b_clk); | |
1010 | ret = cxacru_fw(usb_dev, FW_WRITE_MEM, 0x2, 0x0, PLLBCLK_ADDR, (u8 *) &val, 4); | |
1011 | if (ret) { | |
0ec3c7e8 | 1012 | usb_err(usbatm, "FirmwarePllBClkValue failed: %d\n", ret); |
1b0e6146 DS |
1013 | return; |
1014 | } | |
1015 | ||
1016 | /* Enable SDRAM */ | |
1017 | val = cpu_to_le32(SDRAM_ENA); | |
1018 | ret = cxacru_fw(usb_dev, FW_WRITE_MEM, 0x2, 0x0, SDRAMEN_ADDR, (u8 *) &val, 4); | |
1019 | if (ret) { | |
0ec3c7e8 | 1020 | usb_err(usbatm, "Enable SDRAM failed: %d\n", ret); |
1b0e6146 DS |
1021 | return; |
1022 | } | |
1023 | ||
1024 | /* Firmware */ | |
885582c4 | 1025 | usb_info(usbatm, "loading firmware\n"); |
1b0e6146 DS |
1026 | ret = cxacru_fw(usb_dev, FW_WRITE_MEM, 0x2, 0x0, FW_ADDR, fw->data, fw->size); |
1027 | if (ret) { | |
0ec3c7e8 | 1028 | usb_err(usbatm, "Firmware upload failed: %d\n", ret); |
1b0e6146 DS |
1029 | return; |
1030 | } | |
1031 | ||
1032 | /* Boot ROM patch */ | |
1033 | if (instance->modem_type->boot_rom_patch) { | |
885582c4 | 1034 | usb_info(usbatm, "loading boot ROM patch\n"); |
1b0e6146 DS |
1035 | ret = cxacru_fw(usb_dev, FW_WRITE_MEM, 0x2, 0x0, BR_ADDR, bp->data, bp->size); |
1036 | if (ret) { | |
0ec3c7e8 | 1037 | usb_err(usbatm, "Boot ROM patching failed: %d\n", ret); |
1b0e6146 DS |
1038 | return; |
1039 | } | |
1040 | } | |
1041 | ||
1042 | /* Signature */ | |
1043 | ret = cxacru_fw(usb_dev, FW_WRITE_MEM, 0x2, 0x0, SIG_ADDR, (u8 *) signature, 4); | |
1044 | if (ret) { | |
0ec3c7e8 | 1045 | usb_err(usbatm, "Signature storing failed: %d\n", ret); |
1b0e6146 DS |
1046 | return; |
1047 | } | |
1048 | ||
885582c4 | 1049 | usb_info(usbatm, "starting device\n"); |
1b0e6146 DS |
1050 | if (instance->modem_type->boot_rom_patch) { |
1051 | val = cpu_to_le32(BR_ADDR); | |
1052 | ret = cxacru_fw(usb_dev, FW_WRITE_MEM, 0x2, 0x0, BR_STACK_ADDR, (u8 *) &val, 4); | |
83a3ac86 | 1053 | } else { |
1b0e6146 DS |
1054 | ret = cxacru_fw(usb_dev, FW_GOTO_MEM, 0x0, 0x0, FW_ADDR, NULL, 0); |
1055 | } | |
1056 | if (ret) { | |
0ec3c7e8 | 1057 | usb_err(usbatm, "Passing control to firmware failed: %d\n", ret); |
1b0e6146 DS |
1058 | return; |
1059 | } | |
1060 | ||
1061 | /* Delay to allow firmware to start up. */ | |
1062 | msleep_interruptible(1000); | |
1063 | ||
1064 | usb_clear_halt(usb_dev, usb_sndbulkpipe(usb_dev, CXACRU_EP_CMD)); | |
1065 | usb_clear_halt(usb_dev, usb_rcvbulkpipe(usb_dev, CXACRU_EP_CMD)); | |
1066 | usb_clear_halt(usb_dev, usb_sndbulkpipe(usb_dev, CXACRU_EP_DATA)); | |
1067 | usb_clear_halt(usb_dev, usb_rcvbulkpipe(usb_dev, CXACRU_EP_DATA)); | |
1068 | ||
1069 | ret = cxacru_cm(instance, CM_REQUEST_CARD_GET_STATUS, NULL, 0, NULL, 0); | |
1070 | if (ret < 0) { | |
0ec3c7e8 | 1071 | usb_err(usbatm, "modem failed to initialize: %d\n", ret); |
1b0e6146 DS |
1072 | return; |
1073 | } | |
1b0e6146 DS |
1074 | } |
1075 | ||
1076 | static int cxacru_find_firmware(struct cxacru_data *instance, | |
83a3ac86 | 1077 | char *phase, const struct firmware **fw_p) |
1b0e6146 | 1078 | { |
0ec3c7e8 DS |
1079 | struct usbatm_data *usbatm = instance->usbatm; |
1080 | struct device *dev = &usbatm->usb_intf->dev; | |
1b0e6146 DS |
1081 | char buf[16]; |
1082 | ||
1083 | sprintf(buf, "cxacru-%s.bin", phase); | |
77c9e125 | 1084 | usb_dbg(usbatm, "cxacru_find_firmware: looking for %s\n", buf); |
1b0e6146 DS |
1085 | |
1086 | if (request_firmware(fw_p, buf, dev)) { | |
0ec3c7e8 | 1087 | usb_dbg(usbatm, "no stage %s firmware found\n", phase); |
1b0e6146 DS |
1088 | return -ENOENT; |
1089 | } | |
1090 | ||
0ec3c7e8 | 1091 | usb_info(usbatm, "found firmware %s\n", buf); |
1b0e6146 DS |
1092 | |
1093 | return 0; | |
1094 | } | |
1095 | ||
1096 | static int cxacru_heavy_init(struct usbatm_data *usbatm_instance, | |
1097 | struct usb_interface *usb_intf) | |
1098 | { | |
817db5b3 | 1099 | const struct firmware *fw, *bp; |
1b0e6146 | 1100 | struct cxacru_data *instance = usbatm_instance->driver_data; |
1b0e6146 | 1101 | int ret = cxacru_find_firmware(instance, "fw", &fw); |
cd32fbad | 1102 | |
1b0e6146 | 1103 | if (ret) { |
0ec3c7e8 | 1104 | usb_warn(usbatm_instance, "firmware (cxacru-fw.bin) unavailable (system misconfigured?)\n"); |
1b0e6146 DS |
1105 | return ret; |
1106 | } | |
1107 | ||
1108 | if (instance->modem_type->boot_rom_patch) { | |
1109 | ret = cxacru_find_firmware(instance, "bp", &bp); | |
1110 | if (ret) { | |
0ec3c7e8 | 1111 | usb_warn(usbatm_instance, "boot ROM patch (cxacru-bp.bin) unavailable (system misconfigured?)\n"); |
1b0e6146 DS |
1112 | release_firmware(fw); |
1113 | return ret; | |
1114 | } | |
1115 | } | |
1116 | ||
817db5b3 | 1117 | cxacru_upload_firmware(instance, fw, bp); |
1b0e6146 | 1118 | |
1b0e6146 DS |
1119 | if (instance->modem_type->boot_rom_patch) |
1120 | release_firmware(bp); | |
1121 | release_firmware(fw); | |
1122 | ||
1123 | ret = cxacru_card_status(instance); | |
1124 | if (ret) | |
77c9e125 | 1125 | usb_dbg(usbatm_instance, "modem initialisation failed\n"); |
1b0e6146 | 1126 | else |
77c9e125 | 1127 | usb_dbg(usbatm_instance, "done setting up the modem\n"); |
1b0e6146 DS |
1128 | |
1129 | return ret; | |
1130 | } | |
1131 | ||
1132 | static int cxacru_bind(struct usbatm_data *usbatm_instance, | |
35644b0c | 1133 | struct usb_interface *intf, const struct usb_device_id *id) |
1b0e6146 DS |
1134 | { |
1135 | struct cxacru_data *instance; | |
1136 | struct usb_device *usb_dev = interface_to_usbdev(intf); | |
902ffc3c | 1137 | struct usb_host_endpoint *cmd_ep = usb_dev->ep_in[CXACRU_EP_CMD]; |
1b0e6146 DS |
1138 | int ret; |
1139 | ||
1140 | /* instance init */ | |
9a734efe | 1141 | instance = kzalloc(sizeof(*instance), GFP_KERNEL); |
1b0e6146 | 1142 | if (!instance) { |
77c9e125 | 1143 | usb_dbg(usbatm_instance, "cxacru_bind: no memory for instance data\n"); |
1b0e6146 DS |
1144 | return -ENOMEM; |
1145 | } | |
1146 | ||
1b0e6146 DS |
1147 | instance->usbatm = usbatm_instance; |
1148 | instance->modem_type = (struct cxacru_modem_type *) id->driver_info; | |
1149 | ||
6a02c996 SA |
1150 | mutex_init(&instance->poll_state_serialize); |
1151 | instance->poll_state = CXPOLL_STOPPED; | |
1152 | instance->line_status = -1; | |
1153 | instance->adsl_status = -1; | |
1154 | ||
1155 | mutex_init(&instance->adsl_state_serialize); | |
1156 | ||
1b0e6146 DS |
1157 | instance->rcv_buf = (u8 *) __get_free_page(GFP_KERNEL); |
1158 | if (!instance->rcv_buf) { | |
77c9e125 | 1159 | usb_dbg(usbatm_instance, "cxacru_bind: no memory for rcv_buf\n"); |
1b0e6146 DS |
1160 | ret = -ENOMEM; |
1161 | goto fail; | |
1162 | } | |
1163 | instance->snd_buf = (u8 *) __get_free_page(GFP_KERNEL); | |
1164 | if (!instance->snd_buf) { | |
77c9e125 | 1165 | usb_dbg(usbatm_instance, "cxacru_bind: no memory for snd_buf\n"); |
1b0e6146 DS |
1166 | ret = -ENOMEM; |
1167 | goto fail; | |
1168 | } | |
1169 | instance->rcv_urb = usb_alloc_urb(0, GFP_KERNEL); | |
1170 | if (!instance->rcv_urb) { | |
77c9e125 | 1171 | usb_dbg(usbatm_instance, "cxacru_bind: no memory for rcv_urb\n"); |
1b0e6146 DS |
1172 | ret = -ENOMEM; |
1173 | goto fail; | |
1174 | } | |
1175 | instance->snd_urb = usb_alloc_urb(0, GFP_KERNEL); | |
1176 | if (!instance->snd_urb) { | |
77c9e125 | 1177 | usb_dbg(usbatm_instance, "cxacru_bind: no memory for snd_urb\n"); |
1b0e6146 DS |
1178 | ret = -ENOMEM; |
1179 | goto fail; | |
1180 | } | |
1181 | ||
902ffc3c | 1182 | if (!cmd_ep) { |
77c9e125 | 1183 | usb_dbg(usbatm_instance, "cxacru_bind: no command endpoint\n"); |
902ffc3c SA |
1184 | ret = -ENODEV; |
1185 | goto fail; | |
1186 | } | |
1187 | ||
1188 | if ((cmd_ep->desc.bmAttributes & USB_ENDPOINT_XFERTYPE_MASK) | |
1189 | == USB_ENDPOINT_XFER_INT) { | |
1190 | usb_fill_int_urb(instance->rcv_urb, | |
1b0e6146 DS |
1191 | usb_dev, usb_rcvintpipe(usb_dev, CXACRU_EP_CMD), |
1192 | instance->rcv_buf, PAGE_SIZE, | |
1193 | cxacru_blocking_completion, &instance->rcv_done, 1); | |
1b0e6146 | 1194 | |
902ffc3c | 1195 | usb_fill_int_urb(instance->snd_urb, |
1b0e6146 DS |
1196 | usb_dev, usb_sndintpipe(usb_dev, CXACRU_EP_CMD), |
1197 | instance->snd_buf, PAGE_SIZE, | |
1198 | cxacru_blocking_completion, &instance->snd_done, 4); | |
902ffc3c SA |
1199 | } else { |
1200 | usb_fill_bulk_urb(instance->rcv_urb, | |
1201 | usb_dev, usb_rcvbulkpipe(usb_dev, CXACRU_EP_CMD), | |
1202 | instance->rcv_buf, PAGE_SIZE, | |
1203 | cxacru_blocking_completion, &instance->rcv_done); | |
1204 | ||
1205 | usb_fill_bulk_urb(instance->snd_urb, | |
1206 | usb_dev, usb_sndbulkpipe(usb_dev, CXACRU_EP_CMD), | |
1207 | instance->snd_buf, PAGE_SIZE, | |
1208 | cxacru_blocking_completion, &instance->snd_done); | |
1209 | } | |
1b0e6146 | 1210 | |
ab3c81ff | 1211 | mutex_init(&instance->cm_serialize); |
1b0e6146 | 1212 | |
c4028958 | 1213 | INIT_DELAYED_WORK(&instance->poll_work, cxacru_poll_status); |
1b0e6146 DS |
1214 | |
1215 | usbatm_instance->driver_data = instance; | |
1216 | ||
35644b0c | 1217 | usbatm_instance->flags = (cxacru_card_status(instance) ? 0 : UDSL_SKIP_HEAVY_INIT); |
1b0e6146 DS |
1218 | |
1219 | return 0; | |
1220 | ||
1221 | fail: | |
1222 | free_page((unsigned long) instance->snd_buf); | |
1223 | free_page((unsigned long) instance->rcv_buf); | |
1224 | usb_free_urb(instance->snd_urb); | |
1225 | usb_free_urb(instance->rcv_urb); | |
1226 | kfree(instance); | |
1227 | ||
1228 | return ret; | |
1229 | } | |
1230 | ||
1231 | static void cxacru_unbind(struct usbatm_data *usbatm_instance, | |
1232 | struct usb_interface *intf) | |
1233 | { | |
1234 | struct cxacru_data *instance = usbatm_instance->driver_data; | |
6a02c996 | 1235 | int is_polling = 1; |
1b0e6146 | 1236 | |
77c9e125 | 1237 | usb_dbg(usbatm_instance, "cxacru_unbind entered\n"); |
1b0e6146 DS |
1238 | |
1239 | if (!instance) { | |
77c9e125 | 1240 | usb_dbg(usbatm_instance, "cxacru_unbind: NULL instance!\n"); |
1b0e6146 DS |
1241 | return; |
1242 | } | |
1243 | ||
6a02c996 SA |
1244 | mutex_lock(&instance->poll_state_serialize); |
1245 | BUG_ON(instance->poll_state == CXPOLL_SHUTDOWN); | |
1246 | ||
1247 | /* ensure that status polling continues unless | |
1248 | * it has already stopped */ | |
1249 | if (instance->poll_state == CXPOLL_STOPPED) | |
1250 | is_polling = 0; | |
1251 | ||
1252 | /* stop polling from being stopped or started */ | |
1253 | instance->poll_state = CXPOLL_SHUTDOWN; | |
1254 | mutex_unlock(&instance->poll_state_serialize); | |
1255 | ||
1256 | if (is_polling) | |
afe2c511 | 1257 | cancel_delayed_work_sync(&instance->poll_work); |
1b0e6146 DS |
1258 | |
1259 | usb_kill_urb(instance->snd_urb); | |
1260 | usb_kill_urb(instance->rcv_urb); | |
1261 | usb_free_urb(instance->snd_urb); | |
1262 | usb_free_urb(instance->rcv_urb); | |
1263 | ||
1264 | free_page((unsigned long) instance->snd_buf); | |
1265 | free_page((unsigned long) instance->rcv_buf); | |
fa70fe44 | 1266 | |
1b0e6146 DS |
1267 | kfree(instance); |
1268 | ||
1269 | usbatm_instance->driver_data = NULL; | |
1270 | } | |
1271 | ||
1272 | static const struct cxacru_modem_type cxacru_cafe = { | |
1273 | .pll_f_clk = 0x02d874df, | |
1274 | .pll_b_clk = 0x0196a51a, | |
1275 | .boot_rom_patch = 1, | |
1276 | }; | |
1277 | ||
1278 | static const struct cxacru_modem_type cxacru_cb00 = { | |
1279 | .pll_f_clk = 0x5, | |
1280 | .pll_b_clk = 0x3, | |
1281 | .boot_rom_patch = 0, | |
1282 | }; | |
1283 | ||
1284 | static const struct usb_device_id cxacru_usb_ids[] = { | |
1285 | { /* V = Conexant P = ADSL modem (Euphrates project) */ | |
1286 | USB_DEVICE(0x0572, 0xcafe), .driver_info = (unsigned long) &cxacru_cafe | |
1287 | }, | |
1288 | { /* V = Conexant P = ADSL modem (Hasbani project) */ | |
1289 | USB_DEVICE(0x0572, 0xcb00), .driver_info = (unsigned long) &cxacru_cb00 | |
1290 | }, | |
1291 | { /* V = Conexant P = ADSL modem */ | |
1292 | USB_DEVICE(0x0572, 0xcb01), .driver_info = (unsigned long) &cxacru_cb00 | |
1293 | }, | |
0ec3c7e8 DS |
1294 | { /* V = Conexant P = ADSL modem (Well PTI-800) */ |
1295 | USB_DEVICE(0x0572, 0xcb02), .driver_info = (unsigned long) &cxacru_cb00 | |
1296 | }, | |
1b0e6146 DS |
1297 | { /* V = Conexant P = ADSL modem */ |
1298 | USB_DEVICE(0x0572, 0xcb06), .driver_info = (unsigned long) &cxacru_cb00 | |
1299 | }, | |
44960af1 DS |
1300 | { /* V = Conexant P = ADSL modem (ZTE ZXDSL 852) */ |
1301 | USB_DEVICE(0x0572, 0xcb07), .driver_info = (unsigned long) &cxacru_cb00 | |
1302 | }, | |
1b0e6146 DS |
1303 | { /* V = Olitec P = ADSL modem version 2 */ |
1304 | USB_DEVICE(0x08e3, 0x0100), .driver_info = (unsigned long) &cxacru_cafe | |
1305 | }, | |
1306 | { /* V = Olitec P = ADSL modem version 3 */ | |
1307 | USB_DEVICE(0x08e3, 0x0102), .driver_info = (unsigned long) &cxacru_cb00 | |
1308 | }, | |
1309 | { /* V = Trust/Amigo Technology Co. P = AMX-CA86U */ | |
1310 | USB_DEVICE(0x0eb0, 0x3457), .driver_info = (unsigned long) &cxacru_cafe | |
1311 | }, | |
1312 | { /* V = Zoom P = 5510 */ | |
1313 | USB_DEVICE(0x1803, 0x5510), .driver_info = (unsigned long) &cxacru_cb00 | |
1314 | }, | |
1315 | { /* V = Draytek P = Vigor 318 */ | |
1316 | USB_DEVICE(0x0675, 0x0200), .driver_info = (unsigned long) &cxacru_cb00 | |
1317 | }, | |
1318 | { /* V = Zyxel P = 630-C1 aka OMNI ADSL USB (Annex A) */ | |
1319 | USB_DEVICE(0x0586, 0x330a), .driver_info = (unsigned long) &cxacru_cb00 | |
1320 | }, | |
1321 | { /* V = Zyxel P = 630-C3 aka OMNI ADSL USB (Annex B) */ | |
1322 | USB_DEVICE(0x0586, 0x330b), .driver_info = (unsigned long) &cxacru_cb00 | |
1323 | }, | |
1324 | { /* V = Aethra P = Starmodem UM1020 */ | |
1325 | USB_DEVICE(0x0659, 0x0020), .driver_info = (unsigned long) &cxacru_cb00 | |
1326 | }, | |
1327 | { /* V = Aztech Systems P = ? AKA Pirelli AUA-010 */ | |
1328 | USB_DEVICE(0x0509, 0x0812), .driver_info = (unsigned long) &cxacru_cb00 | |
1329 | }, | |
1330 | { /* V = Netopia P = Cayman 3341(Annex A)/3351(Annex B) */ | |
1331 | USB_DEVICE(0x100d, 0xcb01), .driver_info = (unsigned long) &cxacru_cb00 | |
1332 | }, | |
1333 | { /* V = Netopia P = Cayman 3342(Annex A)/3352(Annex B) */ | |
1334 | USB_DEVICE(0x100d, 0x3342), .driver_info = (unsigned long) &cxacru_cb00 | |
1335 | }, | |
1336 | {} | |
1337 | }; | |
1338 | ||
1339 | MODULE_DEVICE_TABLE(usb, cxacru_usb_ids); | |
1340 | ||
1341 | static struct usbatm_driver cxacru_driver = { | |
1b0e6146 DS |
1342 | .driver_name = cxacru_driver_name, |
1343 | .bind = cxacru_bind, | |
1344 | .heavy_init = cxacru_heavy_init, | |
1345 | .unbind = cxacru_unbind, | |
1346 | .atm_start = cxacru_atm_start, | |
da1f82b5 | 1347 | .atm_stop = cxacru_remove_device_files, |
80aae7a1 DS |
1348 | .bulk_in = CXACRU_EP_DATA, |
1349 | .bulk_out = CXACRU_EP_DATA, | |
1b0e6146 DS |
1350 | .rx_padding = 3, |
1351 | .tx_padding = 11, | |
1352 | }; | |
1353 | ||
92e32eae OZ |
1354 | static int cxacru_usb_probe(struct usb_interface *intf, |
1355 | const struct usb_device_id *id) | |
1b0e6146 | 1356 | { |
92e32eae OZ |
1357 | struct usb_device *usb_dev = interface_to_usbdev(intf); |
1358 | char buf[15]; | |
1359 | ||
1360 | /* Avoid ADSL routers (cx82310_eth). | |
1361 | * Abort if bDeviceClass is 0xff and iProduct is "USB NET CARD". | |
1362 | */ | |
1363 | if (usb_dev->descriptor.bDeviceClass == USB_CLASS_VENDOR_SPEC | |
1364 | && usb_string(usb_dev, usb_dev->descriptor.iProduct, | |
1365 | buf, sizeof(buf)) > 0) { | |
1366 | if (!strcmp(buf, "USB NET CARD")) { | |
1367 | dev_info(&intf->dev, "ignoring cx82310_eth device\n"); | |
1368 | return -ENODEV; | |
1369 | } | |
1370 | } | |
1371 | ||
1b0e6146 DS |
1372 | return usbatm_usb_probe(intf, id, &cxacru_driver); |
1373 | } | |
1374 | ||
1375 | static struct usb_driver cxacru_usb_driver = { | |
1b0e6146 DS |
1376 | .name = cxacru_driver_name, |
1377 | .probe = cxacru_usb_probe, | |
1378 | .disconnect = usbatm_usb_disconnect, | |
1379 | .id_table = cxacru_usb_ids | |
1380 | }; | |
1381 | ||
65db4305 | 1382 | module_usb_driver(cxacru_usb_driver); |
1b0e6146 DS |
1383 | |
1384 | MODULE_AUTHOR(DRIVER_AUTHOR); | |
1385 | MODULE_DESCRIPTION(DRIVER_DESC); | |
1386 | MODULE_LICENSE("GPL"); | |
1387 | MODULE_VERSION(DRIVER_VERSION); |