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