1 /******************************************************************************
2 * cxacru.c - driver for USB ADSL modems based on
3 * Conexant AccessRunner chipset
5 * Copyright (C) 2004 David Woodhouse, Duncan Sands, Roman Kagan
6 * Copyright (C) 2005 Duncan Sands, Roman Kagan (rkagan % mail ! ru)
7 * Copyright (C) 2007 Simon Arlott
8 * Copyright (C) 2009 Simon Arlott
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)
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
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.
24 ******************************************************************************/
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.
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>
45 #define DRIVER_AUTHOR "Roman Kagan, David Woodhouse, Duncan Sands, Simon Arlott"
46 #define DRIVER_VERSION "0.4"
47 #define DRIVER_DESC "Conexant AccessRunner ADSL USB modem driver"
49 static const char cxacru_driver_name
[] = "cxacru";
51 #define CXACRU_EP_CMD 0x01 /* Bulk/interrupt in/out */
52 #define CXACRU_EP_DATA 0x02 /* Bulk in/out */
54 #define CMD_PACKET_SIZE 64 /* Should be maxpacket(ep)? */
55 #define CMD_MAX_CONFIG ((CMD_PACKET_SIZE / 4 - 1) / 2)
58 #define PLLFCLK_ADDR 0x00350068
59 #define PLLBCLK_ADDR 0x0035006c
60 #define SDRAMEN_ADDR 0x00350010
61 #define FW_ADDR 0x00801000
62 #define BR_ADDR 0x00180600
63 #define SIG_ADDR 0x00180500
64 #define BR_STACK_ADDR 0x00187f10
69 #define CMD_TIMEOUT 2000 /* msecs */
70 #define POLL_INTERVAL 1 /* secs */
72 /* commands for interaction with the modem through the control channel before
73 * firmware is loaded */
74 enum cxacru_fw_request
{
84 /* commands for interaction with the modem through the control channel once
85 * firmware is loaded */
86 enum cxacru_cm_request
{
87 CM_REQUEST_UNDEFINED
= 0x80,
89 CM_REQUEST_CHIP_GET_MAC_ADDRESS
,
90 CM_REQUEST_CHIP_GET_DP_VERSIONS
,
91 CM_REQUEST_CHIP_ADSL_LINE_START
,
92 CM_REQUEST_CHIP_ADSL_LINE_STOP
,
93 CM_REQUEST_CHIP_ADSL_LINE_GET_STATUS
,
94 CM_REQUEST_CHIP_ADSL_LINE_GET_SPEED
,
95 CM_REQUEST_CARD_INFO_GET
,
96 CM_REQUEST_CARD_DATA_GET
,
97 CM_REQUEST_CARD_DATA_SET
,
98 CM_REQUEST_COMMAND_HW_IO
,
99 CM_REQUEST_INTERFACE_HW_IO
,
100 CM_REQUEST_CARD_SERIAL_DATA_PATH_GET
,
101 CM_REQUEST_CARD_SERIAL_DATA_PATH_SET
,
102 CM_REQUEST_CARD_CONTROLLER_VERSION_GET
,
103 CM_REQUEST_CARD_GET_STATUS
,
104 CM_REQUEST_CARD_GET_MAC_ADDRESS
,
105 CM_REQUEST_CARD_GET_DATA_LINK_STATUS
,
109 /* commands for interaction with the flash memory
111 * read: response is the contents of the first 60 bytes of flash memory
112 * write: request contains the 60 bytes of data to write to flash memory
113 * response is the contents of the first 60 bytes of flash memory
115 * layout: PP PP VV VV MM MM MM MM MM MM ?? ?? SS SS SS SS SS SS SS SS
116 * SS SS SS SS SS SS SS SS 00 00 00 00 00 00 00 00 00 00 00 00
117 * 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
119 * P: le16 USB Product ID
120 * V: le16 USB Vendor ID
121 * M: be48 MAC Address
122 * S: le16 ASCII Serial Number
124 enum cxacru_cm_flash
{
125 CM_FLASH_READ
= 0xa1,
126 CM_FLASH_WRITE
= 0xa2
129 /* reply codes to the commands above */
130 enum cxacru_cm_status
{
134 CM_STATUS_UNSUPPORTED
,
135 CM_STATUS_UNIMPLEMENTED
,
136 CM_STATUS_PARAMETER_ERROR
,
137 CM_STATUS_DBG_LOOPBACK
,
141 /* indices into CARD_INFO_GET return array */
142 enum cxacru_info_idx
{
143 CXINF_DOWNSTREAM_RATE
,
147 CXINF_MAC_ADDRESS_HIGH
,
148 CXINF_MAC_ADDRESS_LOW
,
149 CXINF_UPSTREAM_SNR_MARGIN
,
150 CXINF_DOWNSTREAM_SNR_MARGIN
,
151 CXINF_UPSTREAM_ATTENUATION
,
152 CXINF_DOWNSTREAM_ATTENUATION
,
153 CXINF_TRANSMITTER_POWER
,
154 CXINF_UPSTREAM_BITS_PER_FRAME
,
155 CXINF_DOWNSTREAM_BITS_PER_FRAME
,
156 CXINF_STARTUP_ATTEMPTS
,
157 CXINF_UPSTREAM_CRC_ERRORS
,
158 CXINF_DOWNSTREAM_CRC_ERRORS
,
159 CXINF_UPSTREAM_FEC_ERRORS
,
160 CXINF_DOWNSTREAM_FEC_ERRORS
,
161 CXINF_UPSTREAM_HEC_ERRORS
,
162 CXINF_DOWNSTREAM_HEC_ERRORS
,
163 CXINF_LINE_STARTABLE
,
166 CXINF_ADSL_HEADEND_ENVIRONMENT
,
167 CXINF_CONTROLLER_VERSION
,
168 /* dunno what the missing two mean */
172 enum cxacru_poll_state
{
179 struct cxacru_modem_type
{
186 struct usbatm_data
*usbatm
;
188 const struct cxacru_modem_type
*modem_type
;
191 struct mutex adsl_state_serialize
;
193 struct delayed_work poll_work
;
194 u32 card_info
[CXINF_MAX
];
195 struct mutex poll_state_serialize
;
196 enum cxacru_poll_state poll_state
;
199 struct mutex cm_serialize
;
204 struct completion rcv_done
;
205 struct completion snd_done
;
208 static int cxacru_cm(struct cxacru_data
*instance
, enum cxacru_cm_request cm
,
209 u8
*wdata
, int wsize
, u8
*rdata
, int rsize
);
210 static void cxacru_poll_status(struct work_struct
*work
);
212 /* Card info exported through sysfs */
213 #define CXACRU__ATTR_INIT(_name) \
214 static DEVICE_ATTR(_name, S_IRUGO, cxacru_sysfs_show_##_name, NULL)
216 #define CXACRU_CMD_INIT(_name) \
217 static DEVICE_ATTR(_name, S_IWUSR | S_IRUGO, \
218 cxacru_sysfs_show_##_name, cxacru_sysfs_store_##_name)
220 #define CXACRU_SET_INIT(_name) \
221 static DEVICE_ATTR(_name, S_IWUSR, \
222 NULL, cxacru_sysfs_store_##_name)
224 #define CXACRU_ATTR_INIT(_value, _type, _name) \
225 static ssize_t cxacru_sysfs_show_##_name(struct device *dev, \
226 struct device_attribute *attr, char *buf) \
228 struct cxacru_data *instance = to_usbatm_driver_data(\
229 to_usb_interface(dev)); \
231 if (instance == NULL) \
234 return cxacru_sysfs_showattr_##_type(instance->card_info[_value], buf); \
236 CXACRU__ATTR_INIT(_name)
238 #define CXACRU_ATTR_CREATE(_v, _t, _name) CXACRU_DEVICE_CREATE_FILE(_name)
239 #define CXACRU_CMD_CREATE(_name) CXACRU_DEVICE_CREATE_FILE(_name)
240 #define CXACRU_SET_CREATE(_name) CXACRU_DEVICE_CREATE_FILE(_name)
241 #define CXACRU__ATTR_CREATE(_name) CXACRU_DEVICE_CREATE_FILE(_name)
243 #define CXACRU_ATTR_REMOVE(_v, _t, _name) CXACRU_DEVICE_REMOVE_FILE(_name)
244 #define CXACRU_CMD_REMOVE(_name) CXACRU_DEVICE_REMOVE_FILE(_name)
245 #define CXACRU_SET_REMOVE(_name) CXACRU_DEVICE_REMOVE_FILE(_name)
246 #define CXACRU__ATTR_REMOVE(_name) CXACRU_DEVICE_REMOVE_FILE(_name)
248 static ssize_t
cxacru_sysfs_showattr_u32(u32 value
, char *buf
)
250 return snprintf(buf
, PAGE_SIZE
, "%u\n", value
);
253 static ssize_t
cxacru_sysfs_showattr_s8(s8 value
, char *buf
)
255 return snprintf(buf
, PAGE_SIZE
, "%d\n", value
);
258 static ssize_t
cxacru_sysfs_showattr_dB(s16 value
, char *buf
)
260 if (likely(value
>= 0)) {
261 return snprintf(buf
, PAGE_SIZE
, "%u.%02u\n",
262 value
/ 100, value
% 100);
265 return snprintf(buf
, PAGE_SIZE
, "-%u.%02u\n",
266 value
/ 100, value
% 100);
270 static ssize_t
cxacru_sysfs_showattr_bool(u32 value
, char *buf
)
272 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
]);
279 static ssize_t
cxacru_sysfs_showattr_LINK(u32 value
, char *buf
)
281 static char *str
[] = { NULL
, "not connected", "connected", "lost" };
283 if (unlikely(value
>= ARRAY_SIZE(str
) || str
[value
] == NULL
))
284 return snprintf(buf
, PAGE_SIZE
, "%u\n", value
);
285 return snprintf(buf
, PAGE_SIZE
, "%s\n", str
[value
]);
288 static ssize_t
cxacru_sysfs_showattr_LINE(u32 value
, char *buf
)
290 static char *str
[] = { "down", "attempting to activate",
291 "training", "channel analysis", "exchange", "up",
292 "waiting", "initialising"
294 if (unlikely(value
>= ARRAY_SIZE(str
)))
295 return snprintf(buf
, PAGE_SIZE
, "%u\n", value
);
296 return snprintf(buf
, PAGE_SIZE
, "%s\n", str
[value
]);
299 static ssize_t
cxacru_sysfs_showattr_MODU(u32 value
, char *buf
)
301 static char *str
[] = {
304 "ITU-T G.992.1 (G.DMT)",
305 "ITU-T G.992.2 (G.LITE)"
307 if (unlikely(value
>= ARRAY_SIZE(str
)))
308 return snprintf(buf
, PAGE_SIZE
, "%u\n", value
);
309 return snprintf(buf
, PAGE_SIZE
, "%s\n", str
[value
]);
313 * This could use MAC_ADDRESS_HIGH and MAC_ADDRESS_LOW, but since
314 * this data is already in atm_dev there's no point.
316 * MAC_ADDRESS_HIGH = 0x????5544
317 * MAC_ADDRESS_LOW = 0x33221100
318 * Where 00-55 are bytes 0-5 of the MAC.
320 static ssize_t
cxacru_sysfs_show_mac_address(struct device
*dev
,
321 struct device_attribute
*attr
, char *buf
)
323 struct cxacru_data
*instance
= to_usbatm_driver_data(
324 to_usb_interface(dev
));
326 if (instance
== NULL
|| instance
->usbatm
->atm_dev
== NULL
)
329 return snprintf(buf
, PAGE_SIZE
, "%pM\n",
330 instance
->usbatm
->atm_dev
->esi
);
333 static ssize_t
cxacru_sysfs_show_adsl_state(struct device
*dev
,
334 struct device_attribute
*attr
, char *buf
)
336 static char *str
[] = { "running", "stopped" };
337 struct cxacru_data
*instance
= to_usbatm_driver_data(
338 to_usb_interface(dev
));
341 if (instance
== NULL
)
344 value
= instance
->card_info
[CXINF_LINE_STARTABLE
];
345 if (unlikely(value
>= ARRAY_SIZE(str
)))
346 return snprintf(buf
, PAGE_SIZE
, "%u\n", value
);
347 return snprintf(buf
, PAGE_SIZE
, "%s\n", str
[value
]);
350 static ssize_t
cxacru_sysfs_store_adsl_state(struct device
*dev
,
351 struct device_attribute
*attr
, const char *buf
, size_t count
)
353 struct cxacru_data
*instance
= to_usbatm_driver_data(
354 to_usb_interface(dev
));
358 int len
= strlen(buf
);
360 if (!capable(CAP_NET_ADMIN
))
363 ret
= sscanf(buf
, "%7s", str_cmd
);
368 if (instance
== NULL
)
371 if (mutex_lock_interruptible(&instance
->adsl_state_serialize
))
374 if (!strcmp(str_cmd
, "stop") || !strcmp(str_cmd
, "restart")) {
375 ret
= cxacru_cm(instance
, CM_REQUEST_CHIP_ADSL_LINE_STOP
, NULL
, 0, NULL
, 0);
377 atm_err(instance
->usbatm
, "change adsl state:"
378 " CHIP_ADSL_LINE_STOP returned %d\n", ret
);
383 poll
= CXPOLL_STOPPED
;
387 /* Line status is only updated every second
388 * and the device appears to only react to
389 * START/STOP every second too. Wait 1.5s to
390 * be sure that restart will have an effect. */
391 if (!strcmp(str_cmd
, "restart"))
394 if (!strcmp(str_cmd
, "start") || !strcmp(str_cmd
, "restart")) {
395 ret
= cxacru_cm(instance
, CM_REQUEST_CHIP_ADSL_LINE_START
, NULL
, 0, NULL
, 0);
397 atm_err(instance
->usbatm
, "change adsl state:"
398 " CHIP_ADSL_LINE_START returned %d\n", ret
);
403 poll
= CXPOLL_POLLING
;
407 if (!strcmp(str_cmd
, "poll")) {
409 poll
= CXPOLL_POLLING
;
417 if (poll
== CXPOLL_POLLING
) {
418 mutex_lock(&instance
->poll_state_serialize
);
419 switch (instance
->poll_state
) {
422 instance
->poll_state
= CXPOLL_POLLING
;
425 case CXPOLL_STOPPING
:
426 /* abort stop request */
427 instance
->poll_state
= CXPOLL_POLLING
;
429 case CXPOLL_SHUTDOWN
:
430 /* don't start polling */
433 mutex_unlock(&instance
->poll_state_serialize
);
434 } else if (poll
== CXPOLL_STOPPED
) {
435 mutex_lock(&instance
->poll_state_serialize
);
437 if (instance
->poll_state
== CXPOLL_POLLING
)
438 instance
->poll_state
= CXPOLL_STOPPING
;
439 mutex_unlock(&instance
->poll_state_serialize
);
442 mutex_unlock(&instance
->adsl_state_serialize
);
444 if (poll
== CXPOLL_POLLING
)
445 cxacru_poll_status(&instance
->poll_work
.work
);
450 /* CM_REQUEST_CARD_DATA_GET times out, so no show attribute */
452 static ssize_t
cxacru_sysfs_store_adsl_config(struct device
*dev
,
453 struct device_attribute
*attr
, const char *buf
, size_t count
)
455 struct cxacru_data
*instance
= to_usbatm_driver_data(
456 to_usb_interface(dev
));
457 int len
= strlen(buf
);
459 __le32 data
[CMD_PACKET_SIZE
/ 4];
461 if (!capable(CAP_NET_ADMIN
))
464 if (instance
== NULL
)
474 ret
= sscanf(buf
+ pos
, "%x=%x%n", &index
, &value
, &tmp
);
477 if (index
< 0 || index
> 0x7f)
481 /* skip trailing newline */
482 if (buf
[pos
] == '\n' && pos
== len
-1)
485 data
[num
* 2 + 1] = cpu_to_le32(index
);
486 data
[num
* 2 + 2] = cpu_to_le32(value
);
489 /* send config values when data buffer is full
492 if (pos
>= len
|| num
>= CMD_MAX_CONFIG
) {
493 char log
[CMD_MAX_CONFIG
* 12 + 1]; /* %02x=%08x */
495 data
[0] = cpu_to_le32(num
);
496 ret
= cxacru_cm(instance
, CM_REQUEST_CARD_DATA_SET
,
497 (u8
*) data
, 4 + num
* 8, NULL
, 0);
499 atm_err(instance
->usbatm
,
500 "set card data returned %d\n", ret
);
504 for (tmp
= 0; tmp
< num
; tmp
++)
505 snprintf(log
+ tmp
*12, 13, " %02x=%08x",
506 le32_to_cpu(data
[tmp
* 2 + 1]),
507 le32_to_cpu(data
[tmp
* 2 + 2]));
508 atm_info(instance
->usbatm
, "config%s\n", log
);
517 * All device attributes are included in CXACRU_ALL_FILES
518 * so that the same list can be used multiple times:
519 * INIT (define the device attributes)
520 * CREATE (create all the device files)
521 * REMOVE (remove all the device files)
523 * With the last two being defined as needed in the functions
524 * they are used in before calling CXACRU_ALL_FILES()
526 #define CXACRU_ALL_FILES(_action) \
527 CXACRU_ATTR_##_action(CXINF_DOWNSTREAM_RATE, u32, downstream_rate); \
528 CXACRU_ATTR_##_action(CXINF_UPSTREAM_RATE, u32, upstream_rate); \
529 CXACRU_ATTR_##_action(CXINF_LINK_STATUS, LINK, link_status); \
530 CXACRU_ATTR_##_action(CXINF_LINE_STATUS, LINE, line_status); \
531 CXACRU__ATTR_##_action( mac_address); \
532 CXACRU_ATTR_##_action(CXINF_UPSTREAM_SNR_MARGIN, dB, upstream_snr_margin); \
533 CXACRU_ATTR_##_action(CXINF_DOWNSTREAM_SNR_MARGIN, dB, downstream_snr_margin); \
534 CXACRU_ATTR_##_action(CXINF_UPSTREAM_ATTENUATION, dB, upstream_attenuation); \
535 CXACRU_ATTR_##_action(CXINF_DOWNSTREAM_ATTENUATION, dB, downstream_attenuation); \
536 CXACRU_ATTR_##_action(CXINF_TRANSMITTER_POWER, s8, transmitter_power); \
537 CXACRU_ATTR_##_action(CXINF_UPSTREAM_BITS_PER_FRAME, u32, upstream_bits_per_frame); \
538 CXACRU_ATTR_##_action(CXINF_DOWNSTREAM_BITS_PER_FRAME, u32, downstream_bits_per_frame); \
539 CXACRU_ATTR_##_action(CXINF_STARTUP_ATTEMPTS, u32, startup_attempts); \
540 CXACRU_ATTR_##_action(CXINF_UPSTREAM_CRC_ERRORS, u32, upstream_crc_errors); \
541 CXACRU_ATTR_##_action(CXINF_DOWNSTREAM_CRC_ERRORS, u32, downstream_crc_errors); \
542 CXACRU_ATTR_##_action(CXINF_UPSTREAM_FEC_ERRORS, u32, upstream_fec_errors); \
543 CXACRU_ATTR_##_action(CXINF_DOWNSTREAM_FEC_ERRORS, u32, downstream_fec_errors); \
544 CXACRU_ATTR_##_action(CXINF_UPSTREAM_HEC_ERRORS, u32, upstream_hec_errors); \
545 CXACRU_ATTR_##_action(CXINF_DOWNSTREAM_HEC_ERRORS, u32, downstream_hec_errors); \
546 CXACRU_ATTR_##_action(CXINF_LINE_STARTABLE, bool, line_startable); \
547 CXACRU_ATTR_##_action(CXINF_MODULATION, MODU, modulation); \
548 CXACRU_ATTR_##_action(CXINF_ADSL_HEADEND, u32, adsl_headend); \
549 CXACRU_ATTR_##_action(CXINF_ADSL_HEADEND_ENVIRONMENT, u32, adsl_headend_environment); \
550 CXACRU_ATTR_##_action(CXINF_CONTROLLER_VERSION, u32, adsl_controller_version); \
551 CXACRU_CMD_##_action( adsl_state); \
552 CXACRU_SET_##_action( adsl_config);
554 CXACRU_ALL_FILES(INIT
);
556 /* the following three functions are stolen from drivers/usb/core/message.c */
557 static void cxacru_blocking_completion(struct urb
*urb
)
559 complete(urb
->context
);
562 static void cxacru_timeout_kill(unsigned long data
)
564 usb_unlink_urb((struct urb
*) data
);
567 static int cxacru_start_wait_urb(struct urb
*urb
, struct completion
*done
,
570 struct timer_list timer
;
573 timer
.expires
= jiffies
+ msecs_to_jiffies(CMD_TIMEOUT
);
574 timer
.data
= (unsigned long) urb
;
575 timer
.function
= cxacru_timeout_kill
;
577 wait_for_completion(done
);
578 del_timer_sync(&timer
);
581 *actual_length
= urb
->actual_length
;
582 return urb
->status
; /* must read status after completion */
585 static int cxacru_cm(struct cxacru_data
*instance
, enum cxacru_cm_request cm
,
586 u8
*wdata
, int wsize
, u8
*rdata
, int rsize
)
590 const int stride
= CMD_PACKET_SIZE
- 4;
591 u8
*wbuf
= instance
->snd_buf
;
592 u8
*rbuf
= instance
->rcv_buf
;
593 int wbuflen
= ((wsize
- 1) / stride
+ 1) * CMD_PACKET_SIZE
;
594 int rbuflen
= ((rsize
- 1) / stride
+ 1) * CMD_PACKET_SIZE
;
596 if (wbuflen
> PAGE_SIZE
|| rbuflen
> PAGE_SIZE
) {
597 if (printk_ratelimit())
598 usb_err(instance
->usbatm
, "requested transfer size too large (%d, %d)\n",
604 mutex_lock(&instance
->cm_serialize
);
606 /* submit reading urb before the writing one */
607 init_completion(&instance
->rcv_done
);
608 ret
= usb_submit_urb(instance
->rcv_urb
, GFP_KERNEL
);
610 if (printk_ratelimit())
611 usb_err(instance
->usbatm
, "submit of read urb for cm %#x failed (%d)\n",
616 memset(wbuf
, 0, wbuflen
);
617 /* handle wsize == 0 */
619 for (offb
= offd
= 0; offd
< wsize
; offd
+= stride
, offb
+= CMD_PACKET_SIZE
) {
621 memcpy(wbuf
+ offb
+ 4, wdata
+ offd
, min_t(int, stride
, wsize
- offd
));
624 instance
->snd_urb
->transfer_buffer_length
= wbuflen
;
625 init_completion(&instance
->snd_done
);
626 ret
= usb_submit_urb(instance
->snd_urb
, GFP_KERNEL
);
628 if (printk_ratelimit())
629 usb_err(instance
->usbatm
, "submit of write urb for cm %#x failed (%d)\n",
634 ret
= cxacru_start_wait_urb(instance
->snd_urb
, &instance
->snd_done
, NULL
);
636 if (printk_ratelimit())
637 usb_err(instance
->usbatm
, "send of cm %#x failed (%d)\n", cm
, ret
);
641 ret
= cxacru_start_wait_urb(instance
->rcv_urb
, &instance
->rcv_done
, &actlen
);
643 if (printk_ratelimit())
644 usb_err(instance
->usbatm
, "receive of cm %#x failed (%d)\n", cm
, ret
);
647 if (actlen
% CMD_PACKET_SIZE
|| !actlen
) {
648 if (printk_ratelimit())
649 usb_err(instance
->usbatm
, "invalid response length to cm %#x: %d\n",
655 /* check the return status and copy the data to the output buffer, if needed */
656 for (offb
= offd
= 0; offd
< rsize
&& offb
< actlen
; offb
+= CMD_PACKET_SIZE
) {
657 if (rbuf
[offb
] != cm
) {
658 if (printk_ratelimit())
659 usb_err(instance
->usbatm
, "wrong cm %#x in response to cm %#x\n",
664 if (rbuf
[offb
+ 1] != CM_STATUS_SUCCESS
) {
665 if (printk_ratelimit())
666 usb_err(instance
->usbatm
, "response to cm %#x failed: %#x\n",
673 memcpy(rdata
+ offd
, rbuf
+ offb
+ 4, min_t(int, stride
, rsize
- offd
));
678 usb_dbg(instance
->usbatm
, "cm %#x\n", cm
);
680 mutex_unlock(&instance
->cm_serialize
);
685 static int cxacru_cm_get_array(struct cxacru_data
*instance
, enum cxacru_cm_request cm
,
692 const int stride
= CMD_PACKET_SIZE
/ (4 * 2) - 1;
693 int buflen
= ((size
- 1) / stride
+ 1 + size
* 2) * 4;
695 buf
= kmalloc(buflen
, GFP_KERNEL
);
699 ret
= cxacru_cm(instance
, cm
, NULL
, 0, (u8
*) buf
, buflen
);
703 /* len > 0 && len % 4 == 0 guaranteed by cxacru_cm() */
705 for (offb
= 0; offb
< len
; ) {
706 int l
= le32_to_cpu(buf
[offb
++]);
708 if (l
< 0 || l
> stride
|| l
> (len
- offb
) / 2) {
709 if (printk_ratelimit())
710 usb_err(instance
->usbatm
, "invalid data length from cm %#x: %d\n",
716 offd
= le32_to_cpu(buf
[offb
++]);
718 if (printk_ratelimit())
719 usb_err(instance
->usbatm
, "wrong index %#x in response to cm %#x\n",
724 data
[offd
] = le32_to_cpu(buf
[offb
++]);
735 static int cxacru_card_status(struct cxacru_data
*instance
)
737 int ret
= cxacru_cm(instance
, CM_REQUEST_CARD_GET_STATUS
, NULL
, 0, NULL
, 0);
739 if (ret
< 0) { /* firmware not loaded */
740 usb_dbg(instance
->usbatm
, "cxacru_adsl_start: CARD_GET_STATUS returned %d\n", ret
);
746 static void cxacru_remove_device_files(struct usbatm_data
*usbatm_instance
,
747 struct atm_dev
*atm_dev
)
749 struct usb_interface
*intf
= usbatm_instance
->usb_intf
;
751 #define CXACRU_DEVICE_REMOVE_FILE(_name) \
752 device_remove_file(&intf->dev, &dev_attr_##_name);
753 CXACRU_ALL_FILES(REMOVE
);
754 #undef CXACRU_DEVICE_REMOVE_FILE
757 static int cxacru_atm_start(struct usbatm_data
*usbatm_instance
,
758 struct atm_dev
*atm_dev
)
760 struct cxacru_data
*instance
= usbatm_instance
->driver_data
;
761 struct usb_interface
*intf
= usbatm_instance
->usb_intf
;
763 int start_polling
= 1;
765 dev_dbg(&intf
->dev
, "%s\n", __func__
);
767 /* Read MAC address */
768 ret
= cxacru_cm(instance
, CM_REQUEST_CARD_GET_MAC_ADDRESS
, NULL
, 0,
769 atm_dev
->esi
, sizeof(atm_dev
->esi
));
771 atm_err(usbatm_instance
, "cxacru_atm_start: CARD_GET_MAC_ADDRESS returned %d\n", ret
);
775 #define CXACRU_DEVICE_CREATE_FILE(_name) \
776 ret = device_create_file(&intf->dev, &dev_attr_##_name); \
779 CXACRU_ALL_FILES(CREATE
);
780 #undef CXACRU_DEVICE_CREATE_FILE
783 mutex_lock(&instance
->adsl_state_serialize
);
784 ret
= cxacru_cm(instance
, CM_REQUEST_CHIP_ADSL_LINE_START
, NULL
, 0, NULL
, 0);
786 atm_err(usbatm_instance
, "cxacru_atm_start: CHIP_ADSL_LINE_START returned %d\n", ret
);
788 /* Start status polling */
789 mutex_lock(&instance
->poll_state_serialize
);
790 switch (instance
->poll_state
) {
793 instance
->poll_state
= CXPOLL_POLLING
;
796 case CXPOLL_STOPPING
:
797 /* abort stop request */
798 instance
->poll_state
= CXPOLL_POLLING
;
800 case CXPOLL_SHUTDOWN
:
801 /* don't start polling */
804 mutex_unlock(&instance
->poll_state_serialize
);
805 mutex_unlock(&instance
->adsl_state_serialize
);
807 printk(KERN_INFO
"%s%d: %s %pM\n", atm_dev
->type
, atm_dev
->number
,
808 usbatm_instance
->description
, atm_dev
->esi
);
811 cxacru_poll_status(&instance
->poll_work
.work
);
815 usb_err(usbatm_instance
, "cxacru_atm_start: device_create_file failed (%d)\n", ret
);
816 cxacru_remove_device_files(usbatm_instance
, atm_dev
);
820 static void cxacru_poll_status(struct work_struct
*work
)
822 struct cxacru_data
*instance
=
823 container_of(work
, struct cxacru_data
, poll_work
.work
);
824 u32 buf
[CXINF_MAX
] = {};
825 struct usbatm_data
*usbatm
= instance
->usbatm
;
826 struct atm_dev
*atm_dev
= usbatm
->atm_dev
;
827 int keep_polling
= 1;
830 ret
= cxacru_cm_get_array(instance
, CM_REQUEST_CARD_INFO_GET
, buf
, CXINF_MAX
);
832 if (ret
!= -ESHUTDOWN
)
833 atm_warn(usbatm
, "poll status: error %d\n", ret
);
835 mutex_lock(&instance
->poll_state_serialize
);
836 if (instance
->poll_state
!= CXPOLL_SHUTDOWN
) {
837 instance
->poll_state
= CXPOLL_STOPPED
;
839 if (ret
!= -ESHUTDOWN
)
840 atm_warn(usbatm
, "polling disabled, set adsl_state"
841 " to 'start' or 'poll' to resume\n");
843 mutex_unlock(&instance
->poll_state_serialize
);
847 memcpy(instance
->card_info
, buf
, sizeof(instance
->card_info
));
849 if (instance
->adsl_status
!= buf
[CXINF_LINE_STARTABLE
]) {
850 instance
->adsl_status
= buf
[CXINF_LINE_STARTABLE
];
852 switch (instance
->adsl_status
) {
854 atm_printk(KERN_INFO
, usbatm
, "ADSL state: running\n");
858 atm_printk(KERN_INFO
, usbatm
, "ADSL state: stopped\n");
862 atm_printk(KERN_INFO
, usbatm
, "Unknown adsl status %02x\n", instance
->adsl_status
);
867 if (instance
->line_status
== buf
[CXINF_LINE_STATUS
])
870 instance
->line_status
= buf
[CXINF_LINE_STATUS
];
871 switch (instance
->line_status
) {
873 atm_dev_signal_change(atm_dev
, ATM_PHY_SIG_LOST
);
874 atm_info(usbatm
, "ADSL line: down\n");
878 atm_dev_signal_change(atm_dev
, ATM_PHY_SIG_LOST
);
879 atm_info(usbatm
, "ADSL line: attempting to activate\n");
883 atm_dev_signal_change(atm_dev
, ATM_PHY_SIG_LOST
);
884 atm_info(usbatm
, "ADSL line: training\n");
888 atm_dev_signal_change(atm_dev
, ATM_PHY_SIG_LOST
);
889 atm_info(usbatm
, "ADSL line: channel analysis\n");
893 atm_dev_signal_change(atm_dev
, ATM_PHY_SIG_LOST
);
894 atm_info(usbatm
, "ADSL line: exchange\n");
898 atm_dev
->link_rate
= buf
[CXINF_DOWNSTREAM_RATE
] * 1000 / 424;
899 atm_dev_signal_change(atm_dev
, ATM_PHY_SIG_FOUND
);
901 atm_info(usbatm
, "ADSL line: up (%d kb/s down | %d kb/s up)\n",
902 buf
[CXINF_DOWNSTREAM_RATE
], buf
[CXINF_UPSTREAM_RATE
]);
906 atm_dev_signal_change(atm_dev
, ATM_PHY_SIG_LOST
);
907 atm_info(usbatm
, "ADSL line: waiting\n");
911 atm_dev_signal_change(atm_dev
, ATM_PHY_SIG_LOST
);
912 atm_info(usbatm
, "ADSL line: initializing\n");
916 atm_dev_signal_change(atm_dev
, ATM_PHY_SIG_UNKNOWN
);
917 atm_info(usbatm
, "Unknown line state %02x\n", instance
->line_status
);
922 mutex_lock(&instance
->poll_state_serialize
);
923 if (instance
->poll_state
== CXPOLL_STOPPING
&&
924 instance
->adsl_status
== 1 && /* stopped */
925 instance
->line_status
== 0) /* down */
926 instance
->poll_state
= CXPOLL_STOPPED
;
928 if (instance
->poll_state
== CXPOLL_STOPPED
)
930 mutex_unlock(&instance
->poll_state_serialize
);
933 schedule_delayed_work(&instance
->poll_work
,
934 round_jiffies_relative(POLL_INTERVAL
*HZ
));
937 static int cxacru_fw(struct usb_device
*usb_dev
, enum cxacru_fw_request fw
,
938 u8 code1
, u8 code2
, u32 addr
, const u8
*data
, int size
)
943 const int stride
= CMD_PACKET_SIZE
- 8;
945 buf
= (u8
*) __get_free_page(GFP_KERNEL
);
951 int l
= min_t(int, stride
, size
- offd
);
957 put_unaligned(cpu_to_le32(addr
), (__le32
*)(buf
+ offb
));
961 memcpy(buf
+ offb
, data
+ offd
, l
);
963 memset(buf
+ offb
+ l
, 0, stride
- l
);
966 if ((offb
>= PAGE_SIZE
) || (offd
>= size
)) {
967 ret
= usb_bulk_msg(usb_dev
, usb_sndbulkpipe(usb_dev
, CXACRU_EP_CMD
),
968 buf
, offb
, NULL
, CMD_TIMEOUT
);
970 dev_dbg(&usb_dev
->dev
, "sending fw %#x failed\n", fw
);
975 } while (offd
< size
);
976 dev_dbg(&usb_dev
->dev
, "sent fw %#x\n", fw
);
981 free_page((unsigned long) buf
);
985 static void cxacru_upload_firmware(struct cxacru_data
*instance
,
986 const struct firmware
*fw
,
987 const struct firmware
*bp
)
990 struct usbatm_data
*usbatm
= instance
->usbatm
;
991 struct usb_device
*usb_dev
= usbatm
->usb_dev
;
992 __le16 signature
[] = { usb_dev
->descriptor
.idVendor
,
993 usb_dev
->descriptor
.idProduct
};
996 usb_dbg(usbatm
, "%s\n", __func__
);
998 /* FirmwarePllFClkValue */
999 val
= cpu_to_le32(instance
->modem_type
->pll_f_clk
);
1000 ret
= cxacru_fw(usb_dev
, FW_WRITE_MEM
, 0x2, 0x0, PLLFCLK_ADDR
, (u8
*) &val
, 4);
1002 usb_err(usbatm
, "FirmwarePllFClkValue failed: %d\n", ret
);
1006 /* FirmwarePllBClkValue */
1007 val
= cpu_to_le32(instance
->modem_type
->pll_b_clk
);
1008 ret
= cxacru_fw(usb_dev
, FW_WRITE_MEM
, 0x2, 0x0, PLLBCLK_ADDR
, (u8
*) &val
, 4);
1010 usb_err(usbatm
, "FirmwarePllBClkValue failed: %d\n", ret
);
1015 val
= cpu_to_le32(SDRAM_ENA
);
1016 ret
= cxacru_fw(usb_dev
, FW_WRITE_MEM
, 0x2, 0x0, SDRAMEN_ADDR
, (u8
*) &val
, 4);
1018 usb_err(usbatm
, "Enable SDRAM failed: %d\n", ret
);
1023 usb_info(usbatm
, "loading firmware\n");
1024 ret
= cxacru_fw(usb_dev
, FW_WRITE_MEM
, 0x2, 0x0, FW_ADDR
, fw
->data
, fw
->size
);
1026 usb_err(usbatm
, "Firmware upload failed: %d\n", ret
);
1030 /* Boot ROM patch */
1031 if (instance
->modem_type
->boot_rom_patch
) {
1032 usb_info(usbatm
, "loading boot ROM patch\n");
1033 ret
= cxacru_fw(usb_dev
, FW_WRITE_MEM
, 0x2, 0x0, BR_ADDR
, bp
->data
, bp
->size
);
1035 usb_err(usbatm
, "Boot ROM patching failed: %d\n", ret
);
1041 ret
= cxacru_fw(usb_dev
, FW_WRITE_MEM
, 0x2, 0x0, SIG_ADDR
, (u8
*) signature
, 4);
1043 usb_err(usbatm
, "Signature storing failed: %d\n", ret
);
1047 usb_info(usbatm
, "starting device\n");
1048 if (instance
->modem_type
->boot_rom_patch
) {
1049 val
= cpu_to_le32(BR_ADDR
);
1050 ret
= cxacru_fw(usb_dev
, FW_WRITE_MEM
, 0x2, 0x0, BR_STACK_ADDR
, (u8
*) &val
, 4);
1052 ret
= cxacru_fw(usb_dev
, FW_GOTO_MEM
, 0x0, 0x0, FW_ADDR
, NULL
, 0);
1055 usb_err(usbatm
, "Passing control to firmware failed: %d\n", ret
);
1059 /* Delay to allow firmware to start up. */
1060 msleep_interruptible(1000);
1062 usb_clear_halt(usb_dev
, usb_sndbulkpipe(usb_dev
, CXACRU_EP_CMD
));
1063 usb_clear_halt(usb_dev
, usb_rcvbulkpipe(usb_dev
, CXACRU_EP_CMD
));
1064 usb_clear_halt(usb_dev
, usb_sndbulkpipe(usb_dev
, CXACRU_EP_DATA
));
1065 usb_clear_halt(usb_dev
, usb_rcvbulkpipe(usb_dev
, CXACRU_EP_DATA
));
1067 ret
= cxacru_cm(instance
, CM_REQUEST_CARD_GET_STATUS
, NULL
, 0, NULL
, 0);
1069 usb_err(usbatm
, "modem failed to initialize: %d\n", ret
);
1074 static int cxacru_find_firmware(struct cxacru_data
*instance
,
1075 char *phase
, const struct firmware
**fw_p
)
1077 struct usbatm_data
*usbatm
= instance
->usbatm
;
1078 struct device
*dev
= &usbatm
->usb_intf
->dev
;
1081 sprintf(buf
, "cxacru-%s.bin", phase
);
1082 usb_dbg(usbatm
, "cxacru_find_firmware: looking for %s\n", buf
);
1084 if (request_firmware(fw_p
, buf
, dev
)) {
1085 usb_dbg(usbatm
, "no stage %s firmware found\n", phase
);
1089 usb_info(usbatm
, "found firmware %s\n", buf
);
1094 static int cxacru_heavy_init(struct usbatm_data
*usbatm_instance
,
1095 struct usb_interface
*usb_intf
)
1097 const struct firmware
*fw
, *bp
;
1098 struct cxacru_data
*instance
= usbatm_instance
->driver_data
;
1099 int ret
= cxacru_find_firmware(instance
, "fw", &fw
);
1102 usb_warn(usbatm_instance
, "firmware (cxacru-fw.bin) unavailable (system misconfigured?)\n");
1106 if (instance
->modem_type
->boot_rom_patch
) {
1107 ret
= cxacru_find_firmware(instance
, "bp", &bp
);
1109 usb_warn(usbatm_instance
, "boot ROM patch (cxacru-bp.bin) unavailable (system misconfigured?)\n");
1110 release_firmware(fw
);
1115 cxacru_upload_firmware(instance
, fw
, bp
);
1117 if (instance
->modem_type
->boot_rom_patch
)
1118 release_firmware(bp
);
1119 release_firmware(fw
);
1121 ret
= cxacru_card_status(instance
);
1123 usb_dbg(usbatm_instance
, "modem initialisation failed\n");
1125 usb_dbg(usbatm_instance
, "done setting up the modem\n");
1130 static int cxacru_bind(struct usbatm_data
*usbatm_instance
,
1131 struct usb_interface
*intf
, const struct usb_device_id
*id
)
1133 struct cxacru_data
*instance
;
1134 struct usb_device
*usb_dev
= interface_to_usbdev(intf
);
1135 struct usb_host_endpoint
*cmd_ep
= usb_dev
->ep_in
[CXACRU_EP_CMD
];
1139 instance
= kzalloc(sizeof(*instance
), GFP_KERNEL
);
1141 usb_dbg(usbatm_instance
, "cxacru_bind: no memory for instance data\n");
1145 instance
->usbatm
= usbatm_instance
;
1146 instance
->modem_type
= (struct cxacru_modem_type
*) id
->driver_info
;
1148 mutex_init(&instance
->poll_state_serialize
);
1149 instance
->poll_state
= CXPOLL_STOPPED
;
1150 instance
->line_status
= -1;
1151 instance
->adsl_status
= -1;
1153 mutex_init(&instance
->adsl_state_serialize
);
1155 instance
->rcv_buf
= (u8
*) __get_free_page(GFP_KERNEL
);
1156 if (!instance
->rcv_buf
) {
1157 usb_dbg(usbatm_instance
, "cxacru_bind: no memory for rcv_buf\n");
1161 instance
->snd_buf
= (u8
*) __get_free_page(GFP_KERNEL
);
1162 if (!instance
->snd_buf
) {
1163 usb_dbg(usbatm_instance
, "cxacru_bind: no memory for snd_buf\n");
1167 instance
->rcv_urb
= usb_alloc_urb(0, GFP_KERNEL
);
1168 if (!instance
->rcv_urb
) {
1169 usb_dbg(usbatm_instance
, "cxacru_bind: no memory for rcv_urb\n");
1173 instance
->snd_urb
= usb_alloc_urb(0, GFP_KERNEL
);
1174 if (!instance
->snd_urb
) {
1175 usb_dbg(usbatm_instance
, "cxacru_bind: no memory for snd_urb\n");
1181 usb_dbg(usbatm_instance
, "cxacru_bind: no command endpoint\n");
1186 if ((cmd_ep
->desc
.bmAttributes
& USB_ENDPOINT_XFERTYPE_MASK
)
1187 == USB_ENDPOINT_XFER_INT
) {
1188 usb_fill_int_urb(instance
->rcv_urb
,
1189 usb_dev
, usb_rcvintpipe(usb_dev
, CXACRU_EP_CMD
),
1190 instance
->rcv_buf
, PAGE_SIZE
,
1191 cxacru_blocking_completion
, &instance
->rcv_done
, 1);
1193 usb_fill_int_urb(instance
->snd_urb
,
1194 usb_dev
, usb_sndintpipe(usb_dev
, CXACRU_EP_CMD
),
1195 instance
->snd_buf
, PAGE_SIZE
,
1196 cxacru_blocking_completion
, &instance
->snd_done
, 4);
1198 usb_fill_bulk_urb(instance
->rcv_urb
,
1199 usb_dev
, usb_rcvbulkpipe(usb_dev
, CXACRU_EP_CMD
),
1200 instance
->rcv_buf
, PAGE_SIZE
,
1201 cxacru_blocking_completion
, &instance
->rcv_done
);
1203 usb_fill_bulk_urb(instance
->snd_urb
,
1204 usb_dev
, usb_sndbulkpipe(usb_dev
, CXACRU_EP_CMD
),
1205 instance
->snd_buf
, PAGE_SIZE
,
1206 cxacru_blocking_completion
, &instance
->snd_done
);
1209 mutex_init(&instance
->cm_serialize
);
1211 INIT_DELAYED_WORK(&instance
->poll_work
, cxacru_poll_status
);
1213 usbatm_instance
->driver_data
= instance
;
1215 usbatm_instance
->flags
= (cxacru_card_status(instance
) ? 0 : UDSL_SKIP_HEAVY_INIT
);
1220 free_page((unsigned long) instance
->snd_buf
);
1221 free_page((unsigned long) instance
->rcv_buf
);
1222 usb_free_urb(instance
->snd_urb
);
1223 usb_free_urb(instance
->rcv_urb
);
1229 static void cxacru_unbind(struct usbatm_data
*usbatm_instance
,
1230 struct usb_interface
*intf
)
1232 struct cxacru_data
*instance
= usbatm_instance
->driver_data
;
1235 usb_dbg(usbatm_instance
, "cxacru_unbind entered\n");
1238 usb_dbg(usbatm_instance
, "cxacru_unbind: NULL instance!\n");
1242 mutex_lock(&instance
->poll_state_serialize
);
1243 BUG_ON(instance
->poll_state
== CXPOLL_SHUTDOWN
);
1245 /* ensure that status polling continues unless
1246 * it has already stopped */
1247 if (instance
->poll_state
== CXPOLL_STOPPED
)
1250 /* stop polling from being stopped or started */
1251 instance
->poll_state
= CXPOLL_SHUTDOWN
;
1252 mutex_unlock(&instance
->poll_state_serialize
);
1255 cancel_delayed_work_sync(&instance
->poll_work
);
1257 usb_kill_urb(instance
->snd_urb
);
1258 usb_kill_urb(instance
->rcv_urb
);
1259 usb_free_urb(instance
->snd_urb
);
1260 usb_free_urb(instance
->rcv_urb
);
1262 free_page((unsigned long) instance
->snd_buf
);
1263 free_page((unsigned long) instance
->rcv_buf
);
1267 usbatm_instance
->driver_data
= NULL
;
1270 static const struct cxacru_modem_type cxacru_cafe
= {
1271 .pll_f_clk
= 0x02d874df,
1272 .pll_b_clk
= 0x0196a51a,
1273 .boot_rom_patch
= 1,
1276 static const struct cxacru_modem_type cxacru_cb00
= {
1279 .boot_rom_patch
= 0,
1282 static const struct usb_device_id cxacru_usb_ids
[] = {
1283 { /* V = Conexant P = ADSL modem (Euphrates project) */
1284 USB_DEVICE(0x0572, 0xcafe), .driver_info
= (unsigned long) &cxacru_cafe
1286 { /* V = Conexant P = ADSL modem (Hasbani project) */
1287 USB_DEVICE(0x0572, 0xcb00), .driver_info
= (unsigned long) &cxacru_cb00
1289 { /* V = Conexant P = ADSL modem */
1290 USB_DEVICE(0x0572, 0xcb01), .driver_info
= (unsigned long) &cxacru_cb00
1292 { /* V = Conexant P = ADSL modem (Well PTI-800) */
1293 USB_DEVICE(0x0572, 0xcb02), .driver_info
= (unsigned long) &cxacru_cb00
1295 { /* V = Conexant P = ADSL modem */
1296 USB_DEVICE(0x0572, 0xcb06), .driver_info
= (unsigned long) &cxacru_cb00
1298 { /* V = Conexant P = ADSL modem (ZTE ZXDSL 852) */
1299 USB_DEVICE(0x0572, 0xcb07), .driver_info
= (unsigned long) &cxacru_cb00
1301 { /* V = Olitec P = ADSL modem version 2 */
1302 USB_DEVICE(0x08e3, 0x0100), .driver_info
= (unsigned long) &cxacru_cafe
1304 { /* V = Olitec P = ADSL modem version 3 */
1305 USB_DEVICE(0x08e3, 0x0102), .driver_info
= (unsigned long) &cxacru_cb00
1307 { /* V = Trust/Amigo Technology Co. P = AMX-CA86U */
1308 USB_DEVICE(0x0eb0, 0x3457), .driver_info
= (unsigned long) &cxacru_cafe
1310 { /* V = Zoom P = 5510 */
1311 USB_DEVICE(0x1803, 0x5510), .driver_info
= (unsigned long) &cxacru_cb00
1313 { /* V = Draytek P = Vigor 318 */
1314 USB_DEVICE(0x0675, 0x0200), .driver_info
= (unsigned long) &cxacru_cb00
1316 { /* V = Zyxel P = 630-C1 aka OMNI ADSL USB (Annex A) */
1317 USB_DEVICE(0x0586, 0x330a), .driver_info
= (unsigned long) &cxacru_cb00
1319 { /* V = Zyxel P = 630-C3 aka OMNI ADSL USB (Annex B) */
1320 USB_DEVICE(0x0586, 0x330b), .driver_info
= (unsigned long) &cxacru_cb00
1322 { /* V = Aethra P = Starmodem UM1020 */
1323 USB_DEVICE(0x0659, 0x0020), .driver_info
= (unsigned long) &cxacru_cb00
1325 { /* V = Aztech Systems P = ? AKA Pirelli AUA-010 */
1326 USB_DEVICE(0x0509, 0x0812), .driver_info
= (unsigned long) &cxacru_cb00
1328 { /* V = Netopia P = Cayman 3341(Annex A)/3351(Annex B) */
1329 USB_DEVICE(0x100d, 0xcb01), .driver_info
= (unsigned long) &cxacru_cb00
1331 { /* V = Netopia P = Cayman 3342(Annex A)/3352(Annex B) */
1332 USB_DEVICE(0x100d, 0x3342), .driver_info
= (unsigned long) &cxacru_cb00
1337 MODULE_DEVICE_TABLE(usb
, cxacru_usb_ids
);
1339 static struct usbatm_driver cxacru_driver
= {
1340 .driver_name
= cxacru_driver_name
,
1341 .bind
= cxacru_bind
,
1342 .heavy_init
= cxacru_heavy_init
,
1343 .unbind
= cxacru_unbind
,
1344 .atm_start
= cxacru_atm_start
,
1345 .atm_stop
= cxacru_remove_device_files
,
1346 .bulk_in
= CXACRU_EP_DATA
,
1347 .bulk_out
= CXACRU_EP_DATA
,
1352 static int cxacru_usb_probe(struct usb_interface
*intf
,
1353 const struct usb_device_id
*id
)
1355 struct usb_device
*usb_dev
= interface_to_usbdev(intf
);
1358 /* Avoid ADSL routers (cx82310_eth).
1359 * Abort if bDeviceClass is 0xff and iProduct is "USB NET CARD".
1361 if (usb_dev
->descriptor
.bDeviceClass
== USB_CLASS_VENDOR_SPEC
1362 && usb_string(usb_dev
, usb_dev
->descriptor
.iProduct
,
1363 buf
, sizeof(buf
)) > 0) {
1364 if (!strcmp(buf
, "USB NET CARD")) {
1365 dev_info(&intf
->dev
, "ignoring cx82310_eth device\n");
1370 return usbatm_usb_probe(intf
, id
, &cxacru_driver
);
1373 static struct usb_driver cxacru_usb_driver
= {
1374 .name
= cxacru_driver_name
,
1375 .probe
= cxacru_usb_probe
,
1376 .disconnect
= usbatm_usb_disconnect
,
1377 .id_table
= cxacru_usb_ids
1380 module_usb_driver(cxacru_usb_driver
);
1382 MODULE_AUTHOR(DRIVER_AUTHOR
);
1383 MODULE_DESCRIPTION(DRIVER_DESC
);
1384 MODULE_LICENSE("GPL");
1385 MODULE_VERSION(DRIVER_VERSION
);