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