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