Linux Kernel  3.7.1
 All Data Structures Namespaces Files Functions Variables Typedefs Enumerations Enumerator Macros Groups Pages
ueagle-atm.c
Go to the documentation of this file.
1 /*-
2  * Copyright (c) 2003, 2004
3  * Damien Bergamini <[email protected]>. All rights reserved.
4  *
5  * Copyright (c) 2005-2007 Matthieu Castet <[email protected]>
6  * Copyright (c) 2005-2007 Stanislaw Gruszka <[email protected]>
7  *
8  * This software is available to you under a choice of one of two
9  * licenses. You may choose to be licensed under the terms of the GNU
10  * General Public License (GPL) Version 2, available from the file
11  * COPYING in the main directory of this source tree, or the
12  * BSD license below:
13  *
14  * Redistribution and use in source and binary forms, with or without
15  * modification, are permitted provided that the following conditions
16  * are met:
17  * 1. Redistributions of source code must retain the above copyright
18  * notice unmodified, this list of conditions, and the following
19  * disclaimer.
20  * 2. Redistributions in binary form must reproduce the above copyright
21  * notice, this list of conditions and the following disclaimer in the
22  * documentation and/or other materials provided with the distribution.
23  *
24  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
25  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
26  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
27  * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
28  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
29  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
30  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
31  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
32  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
33  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
34  * SUCH DAMAGE.
35  *
36  * GPL license :
37  * This program is free software; you can redistribute it and/or
38  * modify it under the terms of the GNU General Public License
39  * as published by the Free Software Foundation; either version 2
40  * of the License, or (at your option) any later version.
41  *
42  * This program is distributed in the hope that it will be useful,
43  * but WITHOUT ANY WARRANTY; without even the implied warranty of
44  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
45  * GNU General Public License for more details.
46  *
47  * You should have received a copy of the GNU General Public License
48  * along with this program; if not, write to the Free Software
49  * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
50  *
51  *
52  * HISTORY : some part of the code was base on ueagle 1.3 BSD driver,
53  * Damien Bergamini agree to put his code under a DUAL GPL/BSD license.
54  *
55  * The rest of the code was was rewritten from scratch.
56  */
57 
58 #include <linux/module.h>
59 #include <linux/moduleparam.h>
60 #include <linux/init.h>
61 #include <linux/crc32.h>
62 #include <linux/usb.h>
63 #include <linux/firmware.h>
64 #include <linux/ctype.h>
65 #include <linux/sched.h>
66 #include <linux/kthread.h>
67 #include <linux/mutex.h>
68 #include <linux/freezer.h>
69 #include <linux/slab.h>
70 #include <linux/kernel.h>
71 
72 #include <asm/unaligned.h>
73 
74 #include "usbatm.h"
75 
76 #define EAGLEUSBVERSION "ueagle 1.4"
77 
78 
79 /*
80  * Debug macros
81  */
82 #define uea_dbg(usb_dev, format, args...) \
83  do { \
84  if (debug >= 1) \
85  dev_dbg(&(usb_dev)->dev, \
86  "[ueagle-atm dbg] %s: " format, \
87  __func__, ##args); \
88  } while (0)
89 
90 #define uea_vdbg(usb_dev, format, args...) \
91  do { \
92  if (debug >= 2) \
93  dev_dbg(&(usb_dev)->dev, \
94  "[ueagle-atm vdbg] " format, ##args); \
95  } while (0)
96 
97 #define uea_enters(usb_dev) \
98  uea_vdbg(usb_dev, "entering %s\n" , __func__)
99 
100 #define uea_leaves(usb_dev) \
101  uea_vdbg(usb_dev, "leaving %s\n" , __func__)
102 
103 #define uea_err(usb_dev, format, args...) \
104  dev_err(&(usb_dev)->dev , "[UEAGLE-ATM] " format , ##args)
105 
106 #define uea_warn(usb_dev, format, args...) \
107  dev_warn(&(usb_dev)->dev , "[Ueagle-atm] " format, ##args)
108 
109 #define uea_info(usb_dev, format, args...) \
110  dev_info(&(usb_dev)->dev , "[ueagle-atm] " format, ##args)
111 
112 struct intr_pkt;
113 
114 /* cmv's from firmware */
115 struct uea_cmvs_v1 {
119 } __packed;
120 
121 struct uea_cmvs_v2 {
126 } __packed;
127 
128 /* information about currently processed cmv */
129 struct cmv_dsc_e1 {
130  u8 function;
134 };
135 
136 struct cmv_dsc_e4 {
137  u16 function;
141 };
142 
143 union cmv_dsc {
144  struct cmv_dsc_e1 e1;
145  struct cmv_dsc_e4 e4;
146 };
147 
148 struct uea_softc {
149  struct usb_device *usb_dev;
151 
153  unsigned int driver_info;
154  int annex;
155 #define ANNEXA 0
156 #define ANNEXB 1
157 
158  int booting;
159  int reset;
160 
162 
166 
167  int cmv_ack;
169 
173 
174  const struct firmware *dsp_firm;
175  struct urb *urb_int;
176 
177  void (*dispatch_cmv) (struct uea_softc *, struct intr_pkt *);
178  void (*schedule_load_page) (struct uea_softc *, struct intr_pkt *);
179  int (*stat) (struct uea_softc *);
180  int (*send_cmvs) (struct uea_softc *);
181 
182  /* keep in sync with eaglectl */
183  struct uea_stats {
184  struct {
203  } phy;
204  } stats;
205 };
206 
207 /*
208  * Elsa IDs
209  */
210 #define ELSA_VID 0x05CC
211 #define ELSA_PID_PSTFIRM 0x3350
212 #define ELSA_PID_PREFIRM 0x3351
213 
214 #define ELSA_PID_A_PREFIRM 0x3352
215 #define ELSA_PID_A_PSTFIRM 0x3353
216 #define ELSA_PID_B_PREFIRM 0x3362
217 #define ELSA_PID_B_PSTFIRM 0x3363
218 
219 /*
220  * Devolo IDs : pots if (pid & 0x10)
221  */
222 #define DEVOLO_VID 0x1039
223 #define DEVOLO_EAGLE_I_A_PID_PSTFIRM 0x2110
224 #define DEVOLO_EAGLE_I_A_PID_PREFIRM 0x2111
225 
226 #define DEVOLO_EAGLE_I_B_PID_PSTFIRM 0x2100
227 #define DEVOLO_EAGLE_I_B_PID_PREFIRM 0x2101
228 
229 #define DEVOLO_EAGLE_II_A_PID_PSTFIRM 0x2130
230 #define DEVOLO_EAGLE_II_A_PID_PREFIRM 0x2131
231 
232 #define DEVOLO_EAGLE_II_B_PID_PSTFIRM 0x2120
233 #define DEVOLO_EAGLE_II_B_PID_PREFIRM 0x2121
234 
235 /*
236  * Reference design USB IDs
237  */
238 #define ANALOG_VID 0x1110
239 #define ADI930_PID_PREFIRM 0x9001
240 #define ADI930_PID_PSTFIRM 0x9000
241 
242 #define EAGLE_I_PID_PREFIRM 0x9010 /* Eagle I */
243 #define EAGLE_I_PID_PSTFIRM 0x900F /* Eagle I */
244 
245 #define EAGLE_IIC_PID_PREFIRM 0x9024 /* Eagle IIC */
246 #define EAGLE_IIC_PID_PSTFIRM 0x9023 /* Eagle IIC */
247 
248 #define EAGLE_II_PID_PREFIRM 0x9022 /* Eagle II */
249 #define EAGLE_II_PID_PSTFIRM 0x9021 /* Eagle II */
250 
251 #define EAGLE_III_PID_PREFIRM 0x9032 /* Eagle III */
252 #define EAGLE_III_PID_PSTFIRM 0x9031 /* Eagle III */
253 
254 #define EAGLE_IV_PID_PREFIRM 0x9042 /* Eagle IV */
255 #define EAGLE_IV_PID_PSTFIRM 0x9041 /* Eagle IV */
256 
257 /*
258  * USR USB IDs
259  */
260 #define USR_VID 0x0BAF
261 #define MILLER_A_PID_PREFIRM 0x00F2
262 #define MILLER_A_PID_PSTFIRM 0x00F1
263 #define MILLER_B_PID_PREFIRM 0x00FA
264 #define MILLER_B_PID_PSTFIRM 0x00F9
265 #define HEINEKEN_A_PID_PREFIRM 0x00F6
266 #define HEINEKEN_A_PID_PSTFIRM 0x00F5
267 #define HEINEKEN_B_PID_PREFIRM 0x00F8
268 #define HEINEKEN_B_PID_PSTFIRM 0x00F7
269 
270 #define PREFIRM 0
271 #define PSTFIRM (1<<7)
272 #define AUTO_ANNEX_A (1<<8)
273 #define AUTO_ANNEX_B (1<<9)
274 
275 enum {
276  ADI930 = 0,
281 };
282 
283 /* macros for both struct usb_device_id and struct uea_softc */
284 #define UEA_IS_PREFIRM(x) \
285  (!((x)->driver_info & PSTFIRM))
286 #define UEA_CHIP_VERSION(x) \
287  ((x)->driver_info & 0xf)
288 
289 #define IS_ISDN(x) \
290  ((x)->annex & ANNEXB)
291 
292 #define INS_TO_USBDEV(ins) (ins->usb_dev)
293 
294 #define GET_STATUS(data) \
295  ((data >> 8) & 0xf)
296 
297 #define IS_OPERATIONAL(sc) \
298  ((UEA_CHIP_VERSION(sc) != EAGLE_IV) ? \
299  (GET_STATUS(sc->stats.phy.state) == 2) : \
300  (sc->stats.phy.state == 7))
301 
302 /*
303  * Set of macros to handle unaligned data in the firmware blob.
304  * The FW_GET_BYTE() macro is provided only for consistency.
305  */
306 
307 #define FW_GET_BYTE(p) (*((__u8 *) (p)))
308 
309 #define FW_DIR "ueagle-atm/"
310 #define EAGLE_FIRMWARE FW_DIR "eagle.fw"
311 #define ADI930_FIRMWARE FW_DIR "adi930.fw"
312 #define EAGLE_I_FIRMWARE FW_DIR "eagleI.fw"
313 #define EAGLE_II_FIRMWARE FW_DIR "eagleII.fw"
314 #define EAGLE_III_FIRMWARE FW_DIR "eagleIII.fw"
315 #define EAGLE_IV_FIRMWARE FW_DIR "eagleIV.fw"
316 
317 #define DSP4I_FIRMWARE FW_DIR "DSP4i.bin"
318 #define DSP4P_FIRMWARE FW_DIR "DSP4p.bin"
319 #define DSP9I_FIRMWARE FW_DIR "DSP9i.bin"
320 #define DSP9P_FIRMWARE FW_DIR "DSP9p.bin"
321 #define DSPEI_FIRMWARE FW_DIR "DSPei.bin"
322 #define DSPEP_FIRMWARE FW_DIR "DSPep.bin"
323 #define FPGA930_FIRMWARE FW_DIR "930-fpga.bin"
324 
325 #define CMV4P_FIRMWARE FW_DIR "CMV4p.bin"
326 #define CMV4PV2_FIRMWARE FW_DIR "CMV4p.bin.v2"
327 #define CMV4I_FIRMWARE FW_DIR "CMV4i.bin"
328 #define CMV4IV2_FIRMWARE FW_DIR "CMV4i.bin.v2"
329 #define CMV9P_FIRMWARE FW_DIR "CMV9p.bin"
330 #define CMV9PV2_FIRMWARE FW_DIR "CMV9p.bin.v2"
331 #define CMV9I_FIRMWARE FW_DIR "CMV9i.bin"
332 #define CMV9IV2_FIRMWARE FW_DIR "CMV9i.bin.v2"
333 #define CMVEP_FIRMWARE FW_DIR "CMVep.bin"
334 #define CMVEPV2_FIRMWARE FW_DIR "CMVep.bin.v2"
335 #define CMVEI_FIRMWARE FW_DIR "CMVei.bin"
336 #define CMVEIV2_FIRMWARE FW_DIR "CMVei.bin.v2"
337 
338 #define UEA_FW_NAME_MAX 30
339 #define NB_MODEM 4
340 
341 #define BULK_TIMEOUT 300
342 #define CTRL_TIMEOUT 1000
343 
344 #define ACK_TIMEOUT msecs_to_jiffies(3000)
345 
346 #define UEA_INTR_IFACE_NO 0
347 #define UEA_US_IFACE_NO 1
348 #define UEA_DS_IFACE_NO 2
349 
350 #define FASTEST_ISO_INTF 8
351 
352 #define UEA_BULK_DATA_PIPE 0x02
353 #define UEA_IDMA_PIPE 0x04
354 #define UEA_INTR_PIPE 0x04
355 #define UEA_ISO_DATA_PIPE 0x08
356 
357 #define UEA_E1_SET_BLOCK 0x0001
358 #define UEA_E4_SET_BLOCK 0x002c
359 #define UEA_SET_MODE 0x0003
360 #define UEA_SET_2183_DATA 0x0004
361 #define UEA_SET_TIMEOUT 0x0011
362 
363 #define UEA_LOOPBACK_OFF 0x0002
364 #define UEA_LOOPBACK_ON 0x0003
365 #define UEA_BOOT_IDMA 0x0006
366 #define UEA_START_RESET 0x0007
367 #define UEA_END_RESET 0x0008
368 
369 #define UEA_SWAP_MAILBOX (0x3fcd | 0x4000)
370 #define UEA_MPTX_START (0x3fce | 0x4000)
371 #define UEA_MPTX_MAILBOX (0x3fd6 | 0x4000)
372 #define UEA_MPRX_MAILBOX (0x3fdf | 0x4000)
373 
374 /* block information in eagle4 dsp firmware */
375 struct block_index {
383 } __packed;
384 
385 #define E4_IS_BOOT_PAGE(PageSize) ((le32_to_cpu(PageSize)) & 0x80000000)
386 #define E4_PAGE_BYTES(PageSize) ((le32_to_cpu(PageSize) & 0x7fffffff) * 4)
387 
388 #define E4_L1_STRING_HEADER 0x10
389 #define E4_MAX_PAGE_NUMBER 0x58
390 #define E4_NO_SWAPPAGE_HEADERS 0x31
391 
392 /* l1_code is eagle4 dsp firmware format */
393 struct l1_code {
397  u8 code[0];
398 } __packed;
399 
400 /* structures describing a block within a DSP page */
406  __le16 wOvl; /* overlay */
408 } __packed;
409 #define E1_BLOCK_INFO_SIZE 12
410 
418 } __packed;
419 #define E4_BLOCK_INFO_SIZE 14
420 
421 #define UEA_BIHDR 0xabcd
422 #define UEA_RESERVED 0xffff
423 
424 /* constants describing cmv type */
425 #define E1_PREAMBLE 0x535c
426 #define E1_MODEMTOHOST 0x01
427 #define E1_HOSTTOMODEM 0x10
428 
429 #define E1_MEMACCESS 0x1
430 #define E1_ADSLDIRECTIVE 0x7
431 #define E1_FUNCTION_TYPE(f) ((f) >> 4)
432 #define E1_FUNCTION_SUBTYPE(f) ((f) & 0x0f)
433 
434 #define E4_MEMACCESS 0
435 #define E4_ADSLDIRECTIVE 0xf
436 #define E4_FUNCTION_TYPE(f) ((f) >> 8)
437 #define E4_FUNCTION_SIZE(f) ((f) & 0x0f)
438 #define E4_FUNCTION_SUBTYPE(f) (((f) >> 4) & 0x0f)
439 
440 /* for MEMACCESS */
441 #define E1_REQUESTREAD 0x0
442 #define E1_REQUESTWRITE 0x1
443 #define E1_REPLYREAD 0x2
444 #define E1_REPLYWRITE 0x3
445 
446 #define E4_REQUESTREAD 0x0
447 #define E4_REQUESTWRITE 0x4
448 #define E4_REPLYREAD (E4_REQUESTREAD | 1)
449 #define E4_REPLYWRITE (E4_REQUESTWRITE | 1)
450 
451 /* for ADSLDIRECTIVE */
452 #define E1_KERNELREADY 0x0
453 #define E1_MODEMREADY 0x1
454 
455 #define E4_KERNELREADY 0x0
456 #define E4_MODEMREADY 0x1
457 
458 #define E1_MAKEFUNCTION(t, s) (((t) & 0xf) << 4 | ((s) & 0xf))
459 #define E4_MAKEFUNCTION(t, st, s) (((t) & 0xf) << 8 | \
460  ((st) & 0xf) << 4 | ((s) & 0xf))
461 
462 #define E1_MAKESA(a, b, c, d) \
463  (((c) & 0xff) << 24 | \
464  ((d) & 0xff) << 16 | \
465  ((a) & 0xff) << 8 | \
466  ((b) & 0xff))
467 
468 #define E1_GETSA1(a) ((a >> 8) & 0xff)
469 #define E1_GETSA2(a) (a & 0xff)
470 #define E1_GETSA3(a) ((a >> 24) & 0xff)
471 #define E1_GETSA4(a) ((a >> 16) & 0xff)
472 
473 #define E1_SA_CNTL E1_MAKESA('C', 'N', 'T', 'L')
474 #define E1_SA_DIAG E1_MAKESA('D', 'I', 'A', 'G')
475 #define E1_SA_INFO E1_MAKESA('I', 'N', 'F', 'O')
476 #define E1_SA_OPTN E1_MAKESA('O', 'P', 'T', 'N')
477 #define E1_SA_RATE E1_MAKESA('R', 'A', 'T', 'E')
478 #define E1_SA_STAT E1_MAKESA('S', 'T', 'A', 'T')
479 
480 #define E4_SA_CNTL 1
481 #define E4_SA_STAT 2
482 #define E4_SA_INFO 3
483 #define E4_SA_TEST 4
484 #define E4_SA_OPTN 5
485 #define E4_SA_RATE 6
486 #define E4_SA_DIAG 7
487 #define E4_SA_CNFG 8
488 
489 /* structures representing a CMV (Configuration and Management Variable) */
490 struct cmv_e1 {
498 } __packed;
499 
500 struct cmv_e4 {
506 } __packed;
507 
508 /* structures representing swap information */
509 struct swap_info_e1 {
511  __u8 bOvl; /* overlay */
512 } __packed;
513 
514 struct swap_info_e4 {
516 } __packed;
517 
518 /* structures representing interrupt data */
519 #define e1_bSwapPageNo u.e1.s1.swapinfo.bSwapPageNo
520 #define e1_bOvl u.e1.s1.swapinfo.bOvl
521 #define e4_bSwapPageNo u.e4.s1.swapinfo.bSwapPageNo
522 
523 #define INT_LOADSWAPPAGE 0x0001
524 #define INT_INCOMINGCMV 0x0002
525 
527  struct {
530  } __packed s1;
531  struct {
532  struct cmv_e1 cmv;
534  } __packed s2;
535 } __packed;
536 
538  struct {
541  } __packed s1;
542  struct {
543  struct cmv_e4 cmv;
545  } __packed s2;
546 } __packed;
547 
548 struct intr_pkt {
555  union {
558  } u;
559 } __packed;
560 
561 #define E1_INTR_PKT_SIZE 28
562 #define E4_INTR_PKT_SIZE 64
563 
564 static struct usb_driver uea_driver;
565 static DEFINE_MUTEX(uea_mutex);
566 static const char * const chip_name[] = {
567  "ADI930", "Eagle I", "Eagle II", "Eagle III", "Eagle IV"};
568 
569 static int modem_index;
570 static unsigned int debug;
571 static unsigned int altsetting[NB_MODEM] = {
572  [0 ... (NB_MODEM - 1)] = FASTEST_ISO_INTF};
573 static bool sync_wait[NB_MODEM];
574 static char *cmv_file[NB_MODEM];
575 static int annex[NB_MODEM];
576 
577 module_param(debug, uint, 0644);
578 MODULE_PARM_DESC(debug, "module debug level (0=off,1=on,2=verbose)");
579 module_param_array(altsetting, uint, NULL, 0644);
580 MODULE_PARM_DESC(altsetting, "alternate setting for incoming traffic: 0=bulk, "
581  "1=isoc slowest, ... , 8=isoc fastest (default)");
582 module_param_array(sync_wait, bool, NULL, 0644);
583 MODULE_PARM_DESC(sync_wait, "wait the synchronisation before starting ATM");
584 module_param_array(cmv_file, charp, NULL, 0644);
585 MODULE_PARM_DESC(cmv_file,
586  "file name with configuration and management variables");
587 module_param_array(annex, uint, NULL, 0644);
588 MODULE_PARM_DESC(annex,
589  "manually set annex a/b (0=auto, 1=annex a, 2=annex b)");
590 
591 #define uea_wait(sc, cond, timeo) \
592 ({ \
593  int _r = wait_event_interruptible_timeout(sc->sync_q, \
594  (cond) || kthread_should_stop(), timeo); \
595  if (kthread_should_stop()) \
596  _r = -ENODEV; \
597  _r; \
598 })
599 
600 #define UPDATE_ATM_STAT(type, val) \
601  do { \
602  if (sc->usbatm->atm_dev) \
603  sc->usbatm->atm_dev->type = val; \
604  } while (0)
605 
606 #define UPDATE_ATM_SIGNAL(val) \
607  do { \
608  if (sc->usbatm->atm_dev) \
609  atm_dev_signal_change(sc->usbatm->atm_dev, val); \
610  } while (0)
611 
612 
613 /* Firmware loading */
614 #define LOAD_INTERNAL 0xA0
615 #define F8051_USBCS 0x7f92
616 
620 static int uea_send_modem_cmd(struct usb_device *usb,
621  u16 addr, u16 size, const u8 *buff)
622 {
623  int ret = -ENOMEM;
624  u8 *xfer_buff;
625 
626  xfer_buff = kmemdup(buff, size, GFP_KERNEL);
627  if (xfer_buff) {
628  ret = usb_control_msg(usb,
629  usb_sndctrlpipe(usb, 0),
632  USB_RECIP_DEVICE, addr, 0, xfer_buff,
633  size, CTRL_TIMEOUT);
634  kfree(xfer_buff);
635  }
636 
637  if (ret < 0)
638  return ret;
639 
640  return (ret == size) ? 0 : -EIO;
641 }
642 
643 static void uea_upload_pre_firmware(const struct firmware *fw_entry,
644  void *context)
645 {
646  struct usb_device *usb = context;
647  const u8 *pfw;
648  u8 value;
649  u32 crc = 0;
650  int ret, size;
651 
652  uea_enters(usb);
653  if (!fw_entry) {
654  uea_err(usb, "firmware is not available\n");
655  goto err;
656  }
657 
658  pfw = fw_entry->data;
659  size = fw_entry->size;
660  if (size < 4)
661  goto err_fw_corrupted;
662 
663  crc = get_unaligned_le32(pfw);
664  pfw += 4;
665  size -= 4;
666  if (crc32_be(0, pfw, size) != crc)
667  goto err_fw_corrupted;
668 
669  /*
670  * Start to upload firmware : send reset
671  */
672  value = 1;
673  ret = uea_send_modem_cmd(usb, F8051_USBCS, sizeof(value), &value);
674 
675  if (ret < 0) {
676  uea_err(usb, "modem reset failed with error %d\n", ret);
677  goto err;
678  }
679 
680  while (size > 3) {
681  u8 len = FW_GET_BYTE(pfw);
682  u16 add = get_unaligned_le16(pfw + 1);
683 
684  size -= len + 3;
685  if (size < 0)
686  goto err_fw_corrupted;
687 
688  ret = uea_send_modem_cmd(usb, add, len, pfw + 3);
689  if (ret < 0) {
690  uea_err(usb, "uploading firmware data failed "
691  "with error %d\n", ret);
692  goto err;
693  }
694  pfw += len + 3;
695  }
696 
697  if (size != 0)
698  goto err_fw_corrupted;
699 
700  /*
701  * Tell the modem we finish : de-assert reset
702  */
703  value = 0;
704  ret = uea_send_modem_cmd(usb, F8051_USBCS, 1, &value);
705  if (ret < 0)
706  uea_err(usb, "modem de-assert failed with error %d\n", ret);
707  else
708  uea_info(usb, "firmware uploaded\n");
709 
710  goto err;
711 
712 err_fw_corrupted:
713  uea_err(usb, "firmware is corrupted\n");
714 err:
715  release_firmware(fw_entry);
716  uea_leaves(usb);
717 }
718 
722 static int uea_load_firmware(struct usb_device *usb, unsigned int ver)
723 {
724  int ret;
725  char *fw_name = EAGLE_FIRMWARE;
726 
727  uea_enters(usb);
728  uea_info(usb, "pre-firmware device, uploading firmware\n");
729 
730  switch (ver) {
731  case ADI930:
732  fw_name = ADI930_FIRMWARE;
733  break;
734  case EAGLE_I:
735  fw_name = EAGLE_I_FIRMWARE;
736  break;
737  case EAGLE_II:
738  fw_name = EAGLE_II_FIRMWARE;
739  break;
740  case EAGLE_III:
741  fw_name = EAGLE_III_FIRMWARE;
742  break;
743  case EAGLE_IV:
744  fw_name = EAGLE_IV_FIRMWARE;
745  break;
746  }
747 
748  ret = request_firmware_nowait(THIS_MODULE, 1, fw_name, &usb->dev,
749  GFP_KERNEL, usb,
750  uea_upload_pre_firmware);
751  if (ret)
752  uea_err(usb, "firmware %s is not available\n", fw_name);
753  else
754  uea_info(usb, "loading firmware %s\n", fw_name);
755 
756  uea_leaves(usb);
757  return ret;
758 }
759 
760 /* modem management : dsp firmware, send/read CMV, monitoring statistic
761  */
762 
763 /*
764  * Make sure that the DSP code provided is safe to use.
765  */
766 static int check_dsp_e1(const u8 *dsp, unsigned int len)
767 {
768  u8 pagecount, blockcount;
769  u16 blocksize;
770  u32 pageoffset;
771  unsigned int i, j, p, pp;
772 
773  pagecount = FW_GET_BYTE(dsp);
774  p = 1;
775 
776  /* enough space for page offsets? */
777  if (p + 4 * pagecount > len)
778  return 1;
779 
780  for (i = 0; i < pagecount; i++) {
781 
782  pageoffset = get_unaligned_le32(dsp + p);
783  p += 4;
784 
785  if (pageoffset == 0)
786  continue;
787 
788  /* enough space for blockcount? */
789  if (pageoffset >= len)
790  return 1;
791 
792  pp = pageoffset;
793  blockcount = FW_GET_BYTE(dsp + pp);
794  pp += 1;
795 
796  for (j = 0; j < blockcount; j++) {
797 
798  /* enough space for block header? */
799  if (pp + 4 > len)
800  return 1;
801 
802  pp += 2; /* skip blockaddr */
803  blocksize = get_unaligned_le16(dsp + pp);
804  pp += 2;
805 
806  /* enough space for block data? */
807  if (pp + blocksize > len)
808  return 1;
809 
810  pp += blocksize;
811  }
812  }
813 
814  return 0;
815 }
816 
817 static int check_dsp_e4(const u8 *dsp, int len)
818 {
819  int i;
820  struct l1_code *p = (struct l1_code *) dsp;
821  unsigned int sum = p->code - dsp;
822 
823  if (len < sum)
824  return 1;
825 
826  if (strcmp("STRATIPHY ANEXA", p->string_header) != 0 &&
827  strcmp("STRATIPHY ANEXB", p->string_header) != 0)
828  return 1;
829 
830  for (i = 0; i < E4_MAX_PAGE_NUMBER; i++) {
831  struct block_index *blockidx;
832  u8 blockno = p->page_number_to_block_index[i];
833  if (blockno >= E4_NO_SWAPPAGE_HEADERS)
834  continue;
835 
836  do {
837  u64 l;
838 
839  if (blockno >= E4_NO_SWAPPAGE_HEADERS)
840  return 1;
841 
842  blockidx = &p->page_header[blockno++];
843  if ((u8 *)(blockidx + 1) - dsp >= len)
844  return 1;
845 
846  if (le16_to_cpu(blockidx->PageNumber) != i)
847  return 1;
848 
849  l = E4_PAGE_BYTES(blockidx->PageSize);
850  sum += l;
851  l += le32_to_cpu(blockidx->PageOffset);
852  if (l > len)
853  return 1;
854 
855  /* zero is zero regardless endianes */
856  } while (blockidx->NotLastBlock);
857  }
858 
859  return (sum == len) ? 0 : 1;
860 }
861 
862 /*
863  * send data to the idma pipe
864  * */
865 static int uea_idma_write(struct uea_softc *sc, const void *data, u32 size)
866 {
867  int ret = -ENOMEM;
868  u8 *xfer_buff;
869  int bytes_read;
870 
871  xfer_buff = kmemdup(data, size, GFP_KERNEL);
872  if (!xfer_buff) {
873  uea_err(INS_TO_USBDEV(sc), "can't allocate xfer_buff\n");
874  return ret;
875  }
876 
877  ret = usb_bulk_msg(sc->usb_dev,
878  usb_sndbulkpipe(sc->usb_dev, UEA_IDMA_PIPE),
879  xfer_buff, size, &bytes_read, BULK_TIMEOUT);
880 
881  kfree(xfer_buff);
882  if (ret < 0)
883  return ret;
884  if (size != bytes_read) {
885  uea_err(INS_TO_USBDEV(sc), "size != bytes_read %d %d\n", size,
886  bytes_read);
887  return -EIO;
888  }
889 
890  return 0;
891 }
892 
893 static int request_dsp(struct uea_softc *sc)
894 {
895  int ret;
896  char *dsp_name;
897 
898  if (UEA_CHIP_VERSION(sc) == EAGLE_IV) {
899  if (IS_ISDN(sc))
900  dsp_name = DSP4I_FIRMWARE;
901  else
902  dsp_name = DSP4P_FIRMWARE;
903  } else if (UEA_CHIP_VERSION(sc) == ADI930) {
904  if (IS_ISDN(sc))
905  dsp_name = DSP9I_FIRMWARE;
906  else
907  dsp_name = DSP9P_FIRMWARE;
908  } else {
909  if (IS_ISDN(sc))
910  dsp_name = DSPEI_FIRMWARE;
911  else
912  dsp_name = DSPEP_FIRMWARE;
913  }
914 
915  ret = request_firmware(&sc->dsp_firm, dsp_name, &sc->usb_dev->dev);
916  if (ret < 0) {
918  "requesting firmware %s failed with error %d\n",
919  dsp_name, ret);
920  return ret;
921  }
922 
923  if (UEA_CHIP_VERSION(sc) == EAGLE_IV)
924  ret = check_dsp_e4(sc->dsp_firm->data, sc->dsp_firm->size);
925  else
926  ret = check_dsp_e1(sc->dsp_firm->data, sc->dsp_firm->size);
927 
928  if (ret) {
929  uea_err(INS_TO_USBDEV(sc), "firmware %s is corrupted\n",
930  dsp_name);
932  sc->dsp_firm = NULL;
933  return -EILSEQ;
934  }
935 
936  return 0;
937 }
938 
939 /*
940  * The uea_load_page() function must be called within a process context
941  */
942 static void uea_load_page_e1(struct work_struct *work)
943 {
944  struct uea_softc *sc = container_of(work, struct uea_softc, task);
945  u16 pageno = sc->pageno;
946  u16 ovl = sc->ovl;
947  struct block_info_e1 bi;
948 
949  const u8 *p;
950  u8 pagecount, blockcount;
951  u16 blockaddr, blocksize;
952  u32 pageoffset;
953  int i;
954 
955  /* reload firmware when reboot start and it's loaded already */
956  if (ovl == 0 && pageno == 0 && sc->dsp_firm) {
958  sc->dsp_firm = NULL;
959  }
960 
961  if (sc->dsp_firm == NULL && request_dsp(sc) < 0)
962  return;
963 
964  p = sc->dsp_firm->data;
965  pagecount = FW_GET_BYTE(p);
966  p += 1;
967 
968  if (pageno >= pagecount)
969  goto bad1;
970 
971  p += 4 * pageno;
972  pageoffset = get_unaligned_le32(p);
973 
974  if (pageoffset == 0)
975  goto bad1;
976 
977  p = sc->dsp_firm->data + pageoffset;
978  blockcount = FW_GET_BYTE(p);
979  p += 1;
980 
982  "sending %u blocks for DSP page %u\n", blockcount, pageno);
983 
984  bi.wHdr = cpu_to_le16(UEA_BIHDR);
985  bi.wOvl = cpu_to_le16(ovl);
986  bi.wOvlOffset = cpu_to_le16(ovl | 0x8000);
987 
988  for (i = 0; i < blockcount; i++) {
989  blockaddr = get_unaligned_le16(p);
990  p += 2;
991 
992  blocksize = get_unaligned_le16(p);
993  p += 2;
994 
995  bi.wSize = cpu_to_le16(blocksize);
996  bi.wAddress = cpu_to_le16(blockaddr);
997  bi.wLast = cpu_to_le16((i == blockcount - 1) ? 1 : 0);
998 
999  /* send block info through the IDMA pipe */
1000  if (uea_idma_write(sc, &bi, E1_BLOCK_INFO_SIZE))
1001  goto bad2;
1002 
1003  /* send block data through the IDMA pipe */
1004  if (uea_idma_write(sc, p, blocksize))
1005  goto bad2;
1006 
1007  p += blocksize;
1008  }
1009 
1010  return;
1011 
1012 bad2:
1013  uea_err(INS_TO_USBDEV(sc), "sending DSP block %u failed\n", i);
1014  return;
1015 bad1:
1016  uea_err(INS_TO_USBDEV(sc), "invalid DSP page %u requested\n", pageno);
1017 }
1018 
1019 static void __uea_load_page_e4(struct uea_softc *sc, u8 pageno, int boot)
1020 {
1021  struct block_info_e4 bi;
1022  struct block_index *blockidx;
1023  struct l1_code *p = (struct l1_code *) sc->dsp_firm->data;
1024  u8 blockno = p->page_number_to_block_index[pageno];
1025 
1026  bi.wHdr = cpu_to_be16(UEA_BIHDR);
1027  bi.bBootPage = boot;
1028  bi.bPageNumber = pageno;
1029  bi.wReserved = cpu_to_be16(UEA_RESERVED);
1030 
1031  do {
1032  const u8 *blockoffset;
1033  unsigned int blocksize;
1034 
1035  blockidx = &p->page_header[blockno];
1036  blocksize = E4_PAGE_BYTES(blockidx->PageSize);
1037  blockoffset = sc->dsp_firm->data + le32_to_cpu(
1038  blockidx->PageOffset);
1039 
1040  bi.dwSize = cpu_to_be32(blocksize);
1041  bi.dwAddress = cpu_to_be32(le32_to_cpu(blockidx->PageAddress));
1042 
1043  uea_dbg(INS_TO_USBDEV(sc),
1044  "sending block %u for DSP page "
1045  "%u size %u address %x\n",
1046  blockno, pageno, blocksize,
1047  le32_to_cpu(blockidx->PageAddress));
1048 
1049  /* send block info through the IDMA pipe */
1050  if (uea_idma_write(sc, &bi, E4_BLOCK_INFO_SIZE))
1051  goto bad;
1052 
1053  /* send block data through the IDMA pipe */
1054  if (uea_idma_write(sc, blockoffset, blocksize))
1055  goto bad;
1056 
1057  blockno++;
1058  } while (blockidx->NotLastBlock);
1059 
1060  return;
1061 
1062 bad:
1063  uea_err(INS_TO_USBDEV(sc), "sending DSP block %u failed\n", blockno);
1064  return;
1065 }
1066 
1067 static void uea_load_page_e4(struct work_struct *work)
1068 {
1069  struct uea_softc *sc = container_of(work, struct uea_softc, task);
1070  u8 pageno = sc->pageno;
1071  int i;
1072  struct block_info_e4 bi;
1073  struct l1_code *p;
1074 
1075  uea_dbg(INS_TO_USBDEV(sc), "sending DSP page %u\n", pageno);
1076 
1077  /* reload firmware when reboot start and it's loaded already */
1078  if (pageno == 0 && sc->dsp_firm) {
1080  sc->dsp_firm = NULL;
1081  }
1082 
1083  if (sc->dsp_firm == NULL && request_dsp(sc) < 0)
1084  return;
1085 
1086  p = (struct l1_code *) sc->dsp_firm->data;
1087  if (pageno >= le16_to_cpu(p->page_header[0].PageNumber)) {
1088  uea_err(INS_TO_USBDEV(sc), "invalid DSP "
1089  "page %u requested\n", pageno);
1090  return;
1091  }
1092 
1093  if (pageno != 0) {
1094  __uea_load_page_e4(sc, pageno, 0);
1095  return;
1096  }
1097 
1098  uea_dbg(INS_TO_USBDEV(sc),
1099  "sending Main DSP page %u\n", p->page_header[0].PageNumber);
1100 
1101  for (i = 0; i < le16_to_cpu(p->page_header[0].PageNumber); i++) {
1102  if (E4_IS_BOOT_PAGE(p->page_header[i].PageSize))
1103  __uea_load_page_e4(sc, i, 1);
1104  }
1105 
1106  uea_dbg(INS_TO_USBDEV(sc) , "sending start bi\n");
1107 
1108  bi.wHdr = cpu_to_be16(UEA_BIHDR);
1109  bi.bBootPage = 0;
1110  bi.bPageNumber = 0xff;
1111  bi.wReserved = cpu_to_be16(UEA_RESERVED);
1112  bi.dwSize = cpu_to_be32(E4_PAGE_BYTES(p->page_header[0].PageSize));
1113  bi.dwAddress = cpu_to_be32(le32_to_cpu(p->page_header[0].PageAddress));
1114 
1115  /* send block info through the IDMA pipe */
1116  if (uea_idma_write(sc, &bi, E4_BLOCK_INFO_SIZE))
1117  uea_err(INS_TO_USBDEV(sc), "sending DSP start bi failed\n");
1118 }
1119 
1120 static inline void wake_up_cmv_ack(struct uea_softc *sc)
1121 {
1122  BUG_ON(sc->cmv_ack);
1123  sc->cmv_ack = 1;
1124  wake_up(&sc->sync_q);
1125 }
1126 
1127 static inline int wait_cmv_ack(struct uea_softc *sc)
1128 {
1129  int ret = uea_wait(sc, sc->cmv_ack , ACK_TIMEOUT);
1130 
1131  sc->cmv_ack = 0;
1132 
1133  uea_dbg(INS_TO_USBDEV(sc), "wait_event_timeout : %d ms\n",
1134  jiffies_to_msecs(ret));
1135 
1136  if (ret < 0)
1137  return ret;
1138 
1139  return (ret == 0) ? -ETIMEDOUT : 0;
1140 }
1141 
1142 #define UCDC_SEND_ENCAPSULATED_COMMAND 0x00
1143 
1144 static int uea_request(struct uea_softc *sc,
1145  u16 value, u16 index, u16 size, const void *data)
1146 {
1147  u8 *xfer_buff;
1148  int ret = -ENOMEM;
1149 
1150  xfer_buff = kmemdup(data, size, GFP_KERNEL);
1151  if (!xfer_buff) {
1152  uea_err(INS_TO_USBDEV(sc), "can't allocate xfer_buff\n");
1153  return ret;
1154  }
1155 
1156  ret = usb_control_msg(sc->usb_dev, usb_sndctrlpipe(sc->usb_dev, 0),
1159  value, index, xfer_buff, size, CTRL_TIMEOUT);
1160 
1161  kfree(xfer_buff);
1162  if (ret < 0) {
1163  uea_err(INS_TO_USBDEV(sc), "usb_control_msg error %d\n", ret);
1164  return ret;
1165  }
1166 
1167  if (ret != size) {
1168  uea_err(INS_TO_USBDEV(sc),
1169  "usb_control_msg send only %d bytes (instead of %d)\n",
1170  ret, size);
1171  return -EIO;
1172  }
1173 
1174  return 0;
1175 }
1176 
1177 static int uea_cmv_e1(struct uea_softc *sc,
1178  u8 function, u32 address, u16 offset, u32 data)
1179 {
1180  struct cmv_e1 cmv;
1181  int ret;
1182 
1184  uea_vdbg(INS_TO_USBDEV(sc), "Function : %d-%d, Address : %c%c%c%c, "
1185  "offset : 0x%04x, data : 0x%08x\n",
1186  E1_FUNCTION_TYPE(function),
1187  E1_FUNCTION_SUBTYPE(function),
1188  E1_GETSA1(address), E1_GETSA2(address),
1189  E1_GETSA3(address),
1190  E1_GETSA4(address), offset, data);
1191 
1192  /* we send a request, but we expect a reply */
1193  sc->cmv_dsc.e1.function = function | 0x2;
1194  sc->cmv_dsc.e1.idx++;
1195  sc->cmv_dsc.e1.address = address;
1196  sc->cmv_dsc.e1.offset = offset;
1197 
1198  cmv.wPreamble = cpu_to_le16(E1_PREAMBLE);
1199  cmv.bDirection = E1_HOSTTOMODEM;
1200  cmv.bFunction = function;
1201  cmv.wIndex = cpu_to_le16(sc->cmv_dsc.e1.idx);
1202  put_unaligned_le32(address, &cmv.dwSymbolicAddress);
1203  cmv.wOffsetAddress = cpu_to_le16(offset);
1204  put_unaligned_le32(data >> 16 | data << 16, &cmv.dwData);
1205 
1206  ret = uea_request(sc, UEA_E1_SET_BLOCK, UEA_MPTX_START,
1207  sizeof(cmv), &cmv);
1208  if (ret < 0)
1209  return ret;
1210  ret = wait_cmv_ack(sc);
1212  return ret;
1213 }
1214 
1215 static int uea_cmv_e4(struct uea_softc *sc,
1216  u16 function, u16 group, u16 address, u16 offset, u32 data)
1217 {
1218  struct cmv_e4 cmv;
1219  int ret;
1220 
1222  memset(&cmv, 0, sizeof(cmv));
1223 
1224  uea_vdbg(INS_TO_USBDEV(sc), "Function : %d-%d, Group : 0x%04x, "
1225  "Address : 0x%04x, offset : 0x%04x, data : 0x%08x\n",
1226  E4_FUNCTION_TYPE(function), E4_FUNCTION_SUBTYPE(function),
1227  group, address, offset, data);
1228 
1229  /* we send a request, but we expect a reply */
1230  sc->cmv_dsc.e4.function = function | (0x1 << 4);
1231  sc->cmv_dsc.e4.offset = offset;
1232  sc->cmv_dsc.e4.address = address;
1233  sc->cmv_dsc.e4.group = group;
1234 
1235  cmv.wFunction = cpu_to_be16(function);
1236  cmv.wGroup = cpu_to_be16(group);
1237  cmv.wAddress = cpu_to_be16(address);
1238  cmv.wOffset = cpu_to_be16(offset);
1239  cmv.dwData[0] = cpu_to_be32(data);
1240 
1241  ret = uea_request(sc, UEA_E4_SET_BLOCK, UEA_MPTX_START,
1242  sizeof(cmv), &cmv);
1243  if (ret < 0)
1244  return ret;
1245  ret = wait_cmv_ack(sc);
1247  return ret;
1248 }
1249 
1250 static inline int uea_read_cmv_e1(struct uea_softc *sc,
1251  u32 address, u16 offset, u32 *data)
1252 {
1253  int ret = uea_cmv_e1(sc, E1_MAKEFUNCTION(E1_MEMACCESS, E1_REQUESTREAD),
1254  address, offset, 0);
1255  if (ret < 0)
1256  uea_err(INS_TO_USBDEV(sc),
1257  "reading cmv failed with error %d\n", ret);
1258  else
1259  *data = sc->data;
1260 
1261  return ret;
1262 }
1263 
1264 static inline int uea_read_cmv_e4(struct uea_softc *sc,
1265  u8 size, u16 group, u16 address, u16 offset, u32 *data)
1266 {
1267  int ret = uea_cmv_e4(sc, E4_MAKEFUNCTION(E4_MEMACCESS,
1268  E4_REQUESTREAD, size),
1269  group, address, offset, 0);
1270  if (ret < 0)
1271  uea_err(INS_TO_USBDEV(sc),
1272  "reading cmv failed with error %d\n", ret);
1273  else {
1274  *data = sc->data;
1275  /* size is in 16-bit word quantities */
1276  if (size > 2)
1277  *(data + 1) = sc->data1;
1278  }
1279  return ret;
1280 }
1281 
1282 static inline int uea_write_cmv_e1(struct uea_softc *sc,
1283  u32 address, u16 offset, u32 data)
1284 {
1285  int ret = uea_cmv_e1(sc, E1_MAKEFUNCTION(E1_MEMACCESS, E1_REQUESTWRITE),
1286  address, offset, data);
1287  if (ret < 0)
1288  uea_err(INS_TO_USBDEV(sc),
1289  "writing cmv failed with error %d\n", ret);
1290 
1291  return ret;
1292 }
1293 
1294 static inline int uea_write_cmv_e4(struct uea_softc *sc,
1295  u8 size, u16 group, u16 address, u16 offset, u32 data)
1296 {
1297  int ret = uea_cmv_e4(sc, E4_MAKEFUNCTION(E4_MEMACCESS,
1298  E4_REQUESTWRITE, size),
1299  group, address, offset, data);
1300  if (ret < 0)
1301  uea_err(INS_TO_USBDEV(sc),
1302  "writing cmv failed with error %d\n", ret);
1303 
1304  return ret;
1305 }
1306 
1307 static void uea_set_bulk_timeout(struct uea_softc *sc, u32 dsrate)
1308 {
1309  int ret;
1310  u16 timeout;
1311 
1312  /* in bulk mode the modem have problem with high rate
1313  * changing internal timing could improve things, but the
1314  * value is mysterious.
1315  * ADI930 don't support it (-EPIPE error).
1316  */
1317 
1318  if (UEA_CHIP_VERSION(sc) == ADI930 ||
1319  altsetting[sc->modem_index] > 0 ||
1320  sc->stats.phy.dsrate == dsrate)
1321  return;
1322 
1323  /* Original timming (1Mbit/s) from ADI (used in windows driver) */
1324  timeout = (dsrate <= 1024*1024) ? 0 : 1;
1325  ret = uea_request(sc, UEA_SET_TIMEOUT, timeout, 0, NULL);
1326  uea_info(INS_TO_USBDEV(sc), "setting new timeout %d%s\n",
1327  timeout, ret < 0 ? " failed" : "");
1328 
1329 }
1330 
1331 /*
1332  * Monitor the modem and update the stat
1333  * return 0 if everything is ok
1334  * return < 0 if an error occurs (-EAGAIN reboot needed)
1335  */
1336 static int uea_stat_e1(struct uea_softc *sc)
1337 {
1338  u32 data;
1339  int ret;
1340 
1342  data = sc->stats.phy.state;
1343 
1344  ret = uea_read_cmv_e1(sc, E1_SA_STAT, 0, &sc->stats.phy.state);
1345  if (ret < 0)
1346  return ret;
1347 
1348  switch (GET_STATUS(sc->stats.phy.state)) {
1349  case 0: /* not yet synchronized */
1350  uea_dbg(INS_TO_USBDEV(sc),
1351  "modem not yet synchronized\n");
1352  return 0;
1353 
1354  case 1: /* initialization */
1355  uea_dbg(INS_TO_USBDEV(sc), "modem initializing\n");
1356  return 0;
1357 
1358  case 2: /* operational */
1359  uea_vdbg(INS_TO_USBDEV(sc), "modem operational\n");
1360  break;
1361 
1362  case 3: /* fail ... */
1363  uea_info(INS_TO_USBDEV(sc), "modem synchronization failed"
1364  " (may be try other cmv/dsp)\n");
1365  return -EAGAIN;
1366 
1367  case 4 ... 6: /* test state */
1368  uea_warn(INS_TO_USBDEV(sc),
1369  "modem in test mode - not supported\n");
1370  return -EAGAIN;
1371 
1372  case 7: /* fast-retain ... */
1373  uea_info(INS_TO_USBDEV(sc), "modem in fast-retain mode\n");
1374  return 0;
1375  default:
1376  uea_err(INS_TO_USBDEV(sc), "modem invalid SW mode %d\n",
1377  GET_STATUS(sc->stats.phy.state));
1378  return -EAGAIN;
1379  }
1380 
1381  if (GET_STATUS(data) != 2) {
1382  uea_request(sc, UEA_SET_MODE, UEA_LOOPBACK_OFF, 0, NULL);
1383  uea_info(INS_TO_USBDEV(sc), "modem operational\n");
1384 
1385  /* release the dsp firmware as it is not needed until
1386  * the next failure
1387  */
1389  sc->dsp_firm = NULL;
1390  }
1391 
1392  /* always update it as atm layer could not be init when we switch to
1393  * operational state
1394  */
1396 
1397  /* wake up processes waiting for synchronization */
1398  wake_up(&sc->sync_q);
1399 
1400  ret = uea_read_cmv_e1(sc, E1_SA_DIAG, 2, &sc->stats.phy.flags);
1401  if (ret < 0)
1402  return ret;
1403  sc->stats.phy.mflags |= sc->stats.phy.flags;
1404 
1405  /* in case of a flags ( for example delineation LOSS (& 0x10)),
1406  * we check the status again in order to detect the failure earlier
1407  */
1408  if (sc->stats.phy.flags) {
1409  uea_dbg(INS_TO_USBDEV(sc), "Stat flag = 0x%x\n",
1410  sc->stats.phy.flags);
1411  return 0;
1412  }
1413 
1414  ret = uea_read_cmv_e1(sc, E1_SA_RATE, 0, &data);
1415  if (ret < 0)
1416  return ret;
1417 
1418  uea_set_bulk_timeout(sc, (data >> 16) * 32);
1419  sc->stats.phy.dsrate = (data >> 16) * 32;
1420  sc->stats.phy.usrate = (data & 0xffff) * 32;
1421  UPDATE_ATM_STAT(link_rate, sc->stats.phy.dsrate * 1000 / 424);
1422 
1423  ret = uea_read_cmv_e1(sc, E1_SA_DIAG, 23, &data);
1424  if (ret < 0)
1425  return ret;
1426  sc->stats.phy.dsattenuation = (data & 0xff) / 2;
1427 
1428  ret = uea_read_cmv_e1(sc, E1_SA_DIAG, 47, &data);
1429  if (ret < 0)
1430  return ret;
1431  sc->stats.phy.usattenuation = (data & 0xff) / 2;
1432 
1433  ret = uea_read_cmv_e1(sc, E1_SA_DIAG, 25, &sc->stats.phy.dsmargin);
1434  if (ret < 0)
1435  return ret;
1436 
1437  ret = uea_read_cmv_e1(sc, E1_SA_DIAG, 49, &sc->stats.phy.usmargin);
1438  if (ret < 0)
1439  return ret;
1440 
1441  ret = uea_read_cmv_e1(sc, E1_SA_DIAG, 51, &sc->stats.phy.rxflow);
1442  if (ret < 0)
1443  return ret;
1444 
1445  ret = uea_read_cmv_e1(sc, E1_SA_DIAG, 52, &sc->stats.phy.txflow);
1446  if (ret < 0)
1447  return ret;
1448 
1449  ret = uea_read_cmv_e1(sc, E1_SA_DIAG, 54, &sc->stats.phy.dsunc);
1450  if (ret < 0)
1451  return ret;
1452 
1453  /* only for atu-c */
1454  ret = uea_read_cmv_e1(sc, E1_SA_DIAG, 58, &sc->stats.phy.usunc);
1455  if (ret < 0)
1456  return ret;
1457 
1458  ret = uea_read_cmv_e1(sc, E1_SA_DIAG, 53, &sc->stats.phy.dscorr);
1459  if (ret < 0)
1460  return ret;
1461 
1462  /* only for atu-c */
1463  ret = uea_read_cmv_e1(sc, E1_SA_DIAG, 57, &sc->stats.phy.uscorr);
1464  if (ret < 0)
1465  return ret;
1466 
1467  ret = uea_read_cmv_e1(sc, E1_SA_INFO, 8, &sc->stats.phy.vidco);
1468  if (ret < 0)
1469  return ret;
1470 
1471  ret = uea_read_cmv_e1(sc, E1_SA_INFO, 13, &sc->stats.phy.vidcpe);
1472  if (ret < 0)
1473  return ret;
1474 
1475  return 0;
1476 }
1477 
1478 static int uea_stat_e4(struct uea_softc *sc)
1479 {
1480  u32 data;
1481  u32 tmp_arr[2];
1482  int ret;
1483 
1485  data = sc->stats.phy.state;
1486 
1487  /* XXX only need to be done before operationnal... */
1488  ret = uea_read_cmv_e4(sc, 1, E4_SA_STAT, 0, 0, &sc->stats.phy.state);
1489  if (ret < 0)
1490  return ret;
1491 
1492  switch (sc->stats.phy.state) {
1493  case 0x0: /* not yet synchronized */
1494  case 0x1:
1495  case 0x3:
1496  case 0x4:
1497  uea_dbg(INS_TO_USBDEV(sc), "modem not yet "
1498  "synchronized\n");
1499  return 0;
1500  case 0x5: /* initialization */
1501  case 0x6:
1502  case 0x9:
1503  case 0xa:
1504  uea_dbg(INS_TO_USBDEV(sc), "modem initializing\n");
1505  return 0;
1506  case 0x2: /* fail ... */
1507  uea_info(INS_TO_USBDEV(sc), "modem synchronization "
1508  "failed (may be try other cmv/dsp)\n");
1509  return -EAGAIN;
1510  case 0x7: /* operational */
1511  break;
1512  default:
1513  uea_warn(INS_TO_USBDEV(sc), "unknown state: %x\n",
1514  sc->stats.phy.state);
1515  return 0;
1516  }
1517 
1518  if (data != 7) {
1519  uea_request(sc, UEA_SET_MODE, UEA_LOOPBACK_OFF, 0, NULL);
1520  uea_info(INS_TO_USBDEV(sc), "modem operational\n");
1521 
1522  /* release the dsp firmware as it is not needed until
1523  * the next failure
1524  */
1526  sc->dsp_firm = NULL;
1527  }
1528 
1529  /* always update it as atm layer could not be init when we switch to
1530  * operational state
1531  */
1533 
1534  /* wake up processes waiting for synchronization */
1535  wake_up(&sc->sync_q);
1536 
1537  /* TODO improve this state machine :
1538  * we need some CMV info : what they do and their unit
1539  * we should find the equivalent of eagle3- CMV
1540  */
1541  /* check flags */
1542  ret = uea_read_cmv_e4(sc, 1, E4_SA_DIAG, 0, 0, &sc->stats.phy.flags);
1543  if (ret < 0)
1544  return ret;
1545  sc->stats.phy.mflags |= sc->stats.phy.flags;
1546 
1547  /* in case of a flags ( for example delineation LOSS (& 0x10)),
1548  * we check the status again in order to detect the failure earlier
1549  */
1550  if (sc->stats.phy.flags) {
1551  uea_dbg(INS_TO_USBDEV(sc), "Stat flag = 0x%x\n",
1552  sc->stats.phy.flags);
1553  if (sc->stats.phy.flags & 1) /* delineation LOSS */
1554  return -EAGAIN;
1555  if (sc->stats.phy.flags & 0x4000) /* Reset Flag */
1556  return -EAGAIN;
1557  return 0;
1558  }
1559 
1560  /* rate data may be in upper or lower half of 64 bit word, strange */
1561  ret = uea_read_cmv_e4(sc, 4, E4_SA_RATE, 0, 0, tmp_arr);
1562  if (ret < 0)
1563  return ret;
1564  data = (tmp_arr[0]) ? tmp_arr[0] : tmp_arr[1];
1565  sc->stats.phy.usrate = data / 1000;
1566 
1567  ret = uea_read_cmv_e4(sc, 4, E4_SA_RATE, 1, 0, tmp_arr);
1568  if (ret < 0)
1569  return ret;
1570  data = (tmp_arr[0]) ? tmp_arr[0] : tmp_arr[1];
1571  uea_set_bulk_timeout(sc, data / 1000);
1572  sc->stats.phy.dsrate = data / 1000;
1573  UPDATE_ATM_STAT(link_rate, sc->stats.phy.dsrate * 1000 / 424);
1574 
1575  ret = uea_read_cmv_e4(sc, 1, E4_SA_INFO, 68, 1, &data);
1576  if (ret < 0)
1577  return ret;
1578  sc->stats.phy.dsattenuation = data / 10;
1579 
1580  ret = uea_read_cmv_e4(sc, 1, E4_SA_INFO, 69, 1, &data);
1581  if (ret < 0)
1582  return ret;
1583  sc->stats.phy.usattenuation = data / 10;
1584 
1585  ret = uea_read_cmv_e4(sc, 1, E4_SA_INFO, 68, 3, &data);
1586  if (ret < 0)
1587  return ret;
1588  sc->stats.phy.dsmargin = data / 2;
1589 
1590  ret = uea_read_cmv_e4(sc, 1, E4_SA_INFO, 69, 3, &data);
1591  if (ret < 0)
1592  return ret;
1593  sc->stats.phy.usmargin = data / 10;
1594 
1595  return 0;
1596 }
1597 
1598 static void cmvs_file_name(struct uea_softc *sc, char *const cmv_name, int ver)
1599 {
1600  char file_arr[] = "CMVxy.bin";
1601  char *file;
1602 
1603  kparam_block_sysfs_write(cmv_file);
1604  /* set proper name corresponding modem version and line type */
1605  if (cmv_file[sc->modem_index] == NULL) {
1606  if (UEA_CHIP_VERSION(sc) == ADI930)
1607  file_arr[3] = '9';
1608  else if (UEA_CHIP_VERSION(sc) == EAGLE_IV)
1609  file_arr[3] = '4';
1610  else
1611  file_arr[3] = 'e';
1612 
1613  file_arr[4] = IS_ISDN(sc) ? 'i' : 'p';
1614  file = file_arr;
1615  } else
1616  file = cmv_file[sc->modem_index];
1617 
1618  strcpy(cmv_name, FW_DIR);
1619  strlcat(cmv_name, file, UEA_FW_NAME_MAX);
1620  if (ver == 2)
1621  strlcat(cmv_name, ".v2", UEA_FW_NAME_MAX);
1622  kparam_unblock_sysfs_write(cmv_file);
1623 }
1624 
1625 static int request_cmvs_old(struct uea_softc *sc,
1626  void **cmvs, const struct firmware **fw)
1627 {
1628  int ret, size;
1629  u8 *data;
1630  char cmv_name[UEA_FW_NAME_MAX]; /* 30 bytes stack variable */
1631 
1632  cmvs_file_name(sc, cmv_name, 1);
1633  ret = request_firmware(fw, cmv_name, &sc->usb_dev->dev);
1634  if (ret < 0) {
1635  uea_err(INS_TO_USBDEV(sc),
1636  "requesting firmware %s failed with error %d\n",
1637  cmv_name, ret);
1638  return ret;
1639  }
1640 
1641  data = (u8 *) (*fw)->data;
1642  size = (*fw)->size;
1643  if (size < 1)
1644  goto err_fw_corrupted;
1645 
1646  if (size != *data * sizeof(struct uea_cmvs_v1) + 1)
1647  goto err_fw_corrupted;
1648 
1649  *cmvs = (void *)(data + 1);
1650  return *data;
1651 
1652 err_fw_corrupted:
1653  uea_err(INS_TO_USBDEV(sc), "firmware %s is corrupted\n", cmv_name);
1654  release_firmware(*fw);
1655  return -EILSEQ;
1656 }
1657 
1658 static int request_cmvs(struct uea_softc *sc,
1659  void **cmvs, const struct firmware **fw, int *ver)
1660 {
1661  int ret, size;
1662  u32 crc;
1663  u8 *data;
1664  char cmv_name[UEA_FW_NAME_MAX]; /* 30 bytes stack variable */
1665 
1666  cmvs_file_name(sc, cmv_name, 2);
1667  ret = request_firmware(fw, cmv_name, &sc->usb_dev->dev);
1668  if (ret < 0) {
1669  /* if caller can handle old version, try to provide it */
1670  if (*ver == 1) {
1671  uea_warn(INS_TO_USBDEV(sc), "requesting "
1672  "firmware %s failed, "
1673  "try to get older cmvs\n", cmv_name);
1674  return request_cmvs_old(sc, cmvs, fw);
1675  }
1676  uea_err(INS_TO_USBDEV(sc),
1677  "requesting firmware %s failed with error %d\n",
1678  cmv_name, ret);
1679  return ret;
1680  }
1681 
1682  size = (*fw)->size;
1683  data = (u8 *) (*fw)->data;
1684  if (size < 4 || strncmp(data, "cmv2", 4) != 0) {
1685  if (*ver == 1) {
1686  uea_warn(INS_TO_USBDEV(sc), "firmware %s is corrupted,"
1687  " try to get older cmvs\n", cmv_name);
1688  release_firmware(*fw);
1689  return request_cmvs_old(sc, cmvs, fw);
1690  }
1691  goto err_fw_corrupted;
1692  }
1693 
1694  *ver = 2;
1695 
1696  data += 4;
1697  size -= 4;
1698  if (size < 5)
1699  goto err_fw_corrupted;
1700 
1701  crc = get_unaligned_le32(data);
1702  data += 4;
1703  size -= 4;
1704  if (crc32_be(0, data, size) != crc)
1705  goto err_fw_corrupted;
1706 
1707  if (size != *data * sizeof(struct uea_cmvs_v2) + 1)
1708  goto err_fw_corrupted;
1709 
1710  *cmvs = (void *) (data + 1);
1711  return *data;
1712 
1713 err_fw_corrupted:
1714  uea_err(INS_TO_USBDEV(sc), "firmware %s is corrupted\n", cmv_name);
1715  release_firmware(*fw);
1716  return -EILSEQ;
1717 }
1718 
1719 static int uea_send_cmvs_e1(struct uea_softc *sc)
1720 {
1721  int i, ret, len;
1722  void *cmvs_ptr;
1723  const struct firmware *cmvs_fw;
1724  int ver = 1; /* we can handle v1 cmv firmware version; */
1725 
1726  /* Enter in R-IDLE (cmv) until instructed otherwise */
1727  ret = uea_write_cmv_e1(sc, E1_SA_CNTL, 0, 1);
1728  if (ret < 0)
1729  return ret;
1730 
1731  /* Dump firmware version */
1732  ret = uea_read_cmv_e1(sc, E1_SA_INFO, 10, &sc->stats.phy.firmid);
1733  if (ret < 0)
1734  return ret;
1735  uea_info(INS_TO_USBDEV(sc), "ATU-R firmware version : %x\n",
1736  sc->stats.phy.firmid);
1737 
1738  /* get options */
1739  ret = len = request_cmvs(sc, &cmvs_ptr, &cmvs_fw, &ver);
1740  if (ret < 0)
1741  return ret;
1742 
1743  /* send options */
1744  if (ver == 1) {
1745  struct uea_cmvs_v1 *cmvs_v1 = cmvs_ptr;
1746 
1747  uea_warn(INS_TO_USBDEV(sc), "use deprecated cmvs version, "
1748  "please update your firmware\n");
1749 
1750  for (i = 0; i < len; i++) {
1751  ret = uea_write_cmv_e1(sc,
1752  get_unaligned_le32(&cmvs_v1[i].address),
1753  get_unaligned_le16(&cmvs_v1[i].offset),
1754  get_unaligned_le32(&cmvs_v1[i].data));
1755  if (ret < 0)
1756  goto out;
1757  }
1758  } else if (ver == 2) {
1759  struct uea_cmvs_v2 *cmvs_v2 = cmvs_ptr;
1760 
1761  for (i = 0; i < len; i++) {
1762  ret = uea_write_cmv_e1(sc,
1763  get_unaligned_le32(&cmvs_v2[i].address),
1764  (u16) get_unaligned_le32(&cmvs_v2[i].offset),
1765  get_unaligned_le32(&cmvs_v2[i].data));
1766  if (ret < 0)
1767  goto out;
1768  }
1769  } else {
1770  /* This really should not happen */
1771  uea_err(INS_TO_USBDEV(sc), "bad cmvs version %d\n", ver);
1772  goto out;
1773  }
1774 
1775  /* Enter in R-ACT-REQ */
1776  ret = uea_write_cmv_e1(sc, E1_SA_CNTL, 0, 2);
1777  uea_vdbg(INS_TO_USBDEV(sc), "Entering in R-ACT-REQ state\n");
1778  uea_info(INS_TO_USBDEV(sc), "modem started, waiting "
1779  "synchronization...\n");
1780 out:
1781  release_firmware(cmvs_fw);
1782  return ret;
1783 }
1784 
1785 static int uea_send_cmvs_e4(struct uea_softc *sc)
1786 {
1787  int i, ret, len;
1788  void *cmvs_ptr;
1789  const struct firmware *cmvs_fw;
1790  int ver = 2; /* we can only handle v2 cmv firmware version; */
1791 
1792  /* Enter in R-IDLE (cmv) until instructed otherwise */
1793  ret = uea_write_cmv_e4(sc, 1, E4_SA_CNTL, 0, 0, 1);
1794  if (ret < 0)
1795  return ret;
1796 
1797  /* Dump firmware version */
1798  /* XXX don't read the 3th byte as it is always 6 */
1799  ret = uea_read_cmv_e4(sc, 2, E4_SA_INFO, 55, 0, &sc->stats.phy.firmid);
1800  if (ret < 0)
1801  return ret;
1802  uea_info(INS_TO_USBDEV(sc), "ATU-R firmware version : %x\n",
1803  sc->stats.phy.firmid);
1804 
1805 
1806  /* get options */
1807  ret = len = request_cmvs(sc, &cmvs_ptr, &cmvs_fw, &ver);
1808  if (ret < 0)
1809  return ret;
1810 
1811  /* send options */
1812  if (ver == 2) {
1813  struct uea_cmvs_v2 *cmvs_v2 = cmvs_ptr;
1814 
1815  for (i = 0; i < len; i++) {
1816  ret = uea_write_cmv_e4(sc, 1,
1817  get_unaligned_le32(&cmvs_v2[i].group),
1818  get_unaligned_le32(&cmvs_v2[i].address),
1819  get_unaligned_le32(&cmvs_v2[i].offset),
1820  get_unaligned_le32(&cmvs_v2[i].data));
1821  if (ret < 0)
1822  goto out;
1823  }
1824  } else {
1825  /* This really should not happen */
1826  uea_err(INS_TO_USBDEV(sc), "bad cmvs version %d\n", ver);
1827  goto out;
1828  }
1829 
1830  /* Enter in R-ACT-REQ */
1831  ret = uea_write_cmv_e4(sc, 1, E4_SA_CNTL, 0, 0, 2);
1832  uea_vdbg(INS_TO_USBDEV(sc), "Entering in R-ACT-REQ state\n");
1833  uea_info(INS_TO_USBDEV(sc), "modem started, waiting "
1834  "synchronization...\n");
1835 out:
1836  release_firmware(cmvs_fw);
1837  return ret;
1838 }
1839 
1840 /* Start boot post firmware modem:
1841  * - send reset commands through usb control pipe
1842  * - start workqueue for DSP loading
1843  * - send CMV options to modem
1844  */
1845 
1846 static int uea_start_reset(struct uea_softc *sc)
1847 {
1848  u16 zero = 0; /* ;-) */
1849  int ret;
1850 
1852  uea_info(INS_TO_USBDEV(sc), "(re)booting started\n");
1853 
1854  /* mask interrupt */
1855  sc->booting = 1;
1856  /* We need to set this here because, a ack timeout could have occurred,
1857  * but before we start the reboot, the ack occurs and set this to 1.
1858  * So we will failed to wait Ready CMV.
1859  */
1860  sc->cmv_ack = 0;
1862 
1863  /* reset statistics */
1864  memset(&sc->stats, 0, sizeof(struct uea_stats));
1865 
1866  /* tell the modem that we want to boot in IDMA mode */
1867  uea_request(sc, UEA_SET_MODE, UEA_LOOPBACK_ON, 0, NULL);
1868  uea_request(sc, UEA_SET_MODE, UEA_BOOT_IDMA, 0, NULL);
1869 
1870  /* enter reset mode */
1871  uea_request(sc, UEA_SET_MODE, UEA_START_RESET, 0, NULL);
1872 
1873  /* original driver use 200ms, but windows driver use 100ms */
1874  ret = uea_wait(sc, 0, msecs_to_jiffies(100));
1875  if (ret < 0)
1876  return ret;
1877 
1878  /* leave reset mode */
1879  uea_request(sc, UEA_SET_MODE, UEA_END_RESET, 0, NULL);
1880 
1881  if (UEA_CHIP_VERSION(sc) != EAGLE_IV) {
1882  /* clear tx and rx mailboxes */
1883  uea_request(sc, UEA_SET_2183_DATA, UEA_MPTX_MAILBOX, 2, &zero);
1884  uea_request(sc, UEA_SET_2183_DATA, UEA_MPRX_MAILBOX, 2, &zero);
1885  uea_request(sc, UEA_SET_2183_DATA, UEA_SWAP_MAILBOX, 2, &zero);
1886  }
1887 
1888  ret = uea_wait(sc, 0, msecs_to_jiffies(1000));
1889  if (ret < 0)
1890  return ret;
1891 
1892  if (UEA_CHIP_VERSION(sc) == EAGLE_IV)
1893  sc->cmv_dsc.e4.function = E4_MAKEFUNCTION(E4_ADSLDIRECTIVE,
1894  E4_MODEMREADY, 1);
1895  else
1896  sc->cmv_dsc.e1.function = E1_MAKEFUNCTION(E1_ADSLDIRECTIVE,
1897  E1_MODEMREADY);
1898 
1899  /* demask interrupt */
1900  sc->booting = 0;
1901 
1902  /* start loading DSP */
1903  sc->pageno = 0;
1904  sc->ovl = 0;
1905  schedule_work(&sc->task);
1906 
1907  /* wait for modem ready CMV */
1908  ret = wait_cmv_ack(sc);
1909  if (ret < 0)
1910  return ret;
1911 
1912  uea_vdbg(INS_TO_USBDEV(sc), "Ready CMV received\n");
1913 
1914  ret = sc->send_cmvs(sc);
1915  if (ret < 0)
1916  return ret;
1917 
1918  sc->reset = 0;
1920  return ret;
1921 }
1922 
1923 /*
1924  * In case of an error wait 1s before rebooting the modem
1925  * if the modem don't request reboot (-EAGAIN).
1926  * Monitor the modem every 1s.
1927  */
1928 
1929 static int uea_kthread(void *data)
1930 {
1931  struct uea_softc *sc = data;
1932  int ret = -EAGAIN;
1933 
1934  set_freezable();
1936  while (!kthread_should_stop()) {
1937  if (ret < 0 || sc->reset)
1938  ret = uea_start_reset(sc);
1939  if (!ret)
1940  ret = sc->stat(sc);
1941  if (ret != -EAGAIN)
1942  uea_wait(sc, 0, msecs_to_jiffies(1000));
1943  try_to_freeze();
1944  }
1946  return ret;
1947 }
1948 
1949 /* Load second usb firmware for ADI930 chip */
1950 static int load_XILINX_firmware(struct uea_softc *sc)
1951 {
1952  const struct firmware *fw_entry;
1953  int ret, size, u, ln;
1954  const u8 *pfw;
1955  u8 value;
1956  char *fw_name = FPGA930_FIRMWARE;
1957 
1959 
1960  ret = request_firmware(&fw_entry, fw_name, &sc->usb_dev->dev);
1961  if (ret) {
1962  uea_err(INS_TO_USBDEV(sc), "firmware %s is not available\n",
1963  fw_name);
1964  goto err0;
1965  }
1966 
1967  pfw = fw_entry->data;
1968  size = fw_entry->size;
1969  if (size != 0x577B) {
1970  uea_err(INS_TO_USBDEV(sc), "firmware %s is corrupted\n",
1971  fw_name);
1972  ret = -EILSEQ;
1973  goto err1;
1974  }
1975  for (u = 0; u < size; u += ln) {
1976  ln = min(size - u, 64);
1977  ret = uea_request(sc, 0xe, 0, ln, pfw + u);
1978  if (ret < 0) {
1979  uea_err(INS_TO_USBDEV(sc),
1980  "elsa download data failed (%d)\n", ret);
1981  goto err1;
1982  }
1983  }
1984 
1985  /* finish to send the fpga */
1986  ret = uea_request(sc, 0xe, 1, 0, NULL);
1987  if (ret < 0) {
1988  uea_err(INS_TO_USBDEV(sc),
1989  "elsa download data failed (%d)\n", ret);
1990  goto err1;
1991  }
1992 
1993  /* Tell the modem we finish : de-assert reset */
1994  value = 0;
1995  ret = uea_send_modem_cmd(sc->usb_dev, 0xe, 1, &value);
1996  if (ret < 0)
1997  uea_err(sc->usb_dev, "elsa de-assert failed with error"
1998  " %d\n", ret);
1999 
2000 err1:
2001  release_firmware(fw_entry);
2002 err0:
2004  return ret;
2005 }
2006 
2007 /* The modem send us an ack. First with check if it right */
2008 static void uea_dispatch_cmv_e1(struct uea_softc *sc, struct intr_pkt *intr)
2009 {
2010  struct cmv_dsc_e1 *dsc = &sc->cmv_dsc.e1;
2011  struct cmv_e1 *cmv = &intr->u.e1.s2.cmv;
2012 
2014  if (le16_to_cpu(cmv->wPreamble) != E1_PREAMBLE)
2015  goto bad1;
2016 
2017  if (cmv->bDirection != E1_MODEMTOHOST)
2018  goto bad1;
2019 
2020  /* FIXME : ADI930 reply wrong preambule (func = 2, sub = 2) to
2021  * the first MEMACCESS cmv. Ignore it...
2022  */
2023  if (cmv->bFunction != dsc->function) {
2024  if (UEA_CHIP_VERSION(sc) == ADI930
2025  && cmv->bFunction == E1_MAKEFUNCTION(2, 2)) {
2026  cmv->wIndex = cpu_to_le16(dsc->idx);
2028  &cmv->dwSymbolicAddress);
2029  cmv->wOffsetAddress = cpu_to_le16(dsc->offset);
2030  } else
2031  goto bad2;
2032  }
2033 
2035  E1_MODEMREADY)) {
2036  wake_up_cmv_ack(sc);
2038  return;
2039  }
2040 
2041  /* in case of MEMACCESS */
2042  if (le16_to_cpu(cmv->wIndex) != dsc->idx ||
2043  get_unaligned_le32(&cmv->dwSymbolicAddress) != dsc->address ||
2044  le16_to_cpu(cmv->wOffsetAddress) != dsc->offset)
2045  goto bad2;
2046 
2047  sc->data = get_unaligned_le32(&cmv->dwData);
2048  sc->data = sc->data << 16 | sc->data >> 16;
2049 
2050  wake_up_cmv_ack(sc);
2052  return;
2053 
2054 bad2:
2055  uea_err(INS_TO_USBDEV(sc), "unexpected cmv received, "
2056  "Function : %d, Subfunction : %d\n",
2060  return;
2061 
2062 bad1:
2063  uea_err(INS_TO_USBDEV(sc), "invalid cmv received, "
2064  "wPreamble %d, bDirection %d\n",
2065  le16_to_cpu(cmv->wPreamble), cmv->bDirection);
2067 }
2068 
2069 /* The modem send us an ack. First with check if it right */
2070 static void uea_dispatch_cmv_e4(struct uea_softc *sc, struct intr_pkt *intr)
2071 {
2072  struct cmv_dsc_e4 *dsc = &sc->cmv_dsc.e4;
2073  struct cmv_e4 *cmv = &intr->u.e4.s2.cmv;
2074 
2076  uea_dbg(INS_TO_USBDEV(sc), "cmv %x %x %x %x %x %x\n",
2077  be16_to_cpu(cmv->wGroup), be16_to_cpu(cmv->wFunction),
2078  be16_to_cpu(cmv->wOffset), be16_to_cpu(cmv->wAddress),
2079  be32_to_cpu(cmv->dwData[0]), be32_to_cpu(cmv->dwData[1]));
2080 
2081  if (be16_to_cpu(cmv->wFunction) != dsc->function)
2082  goto bad2;
2083 
2085  E4_MODEMREADY, 1)) {
2086  wake_up_cmv_ack(sc);
2088  return;
2089  }
2090 
2091  /* in case of MEMACCESS */
2092  if (be16_to_cpu(cmv->wOffset) != dsc->offset ||
2093  be16_to_cpu(cmv->wGroup) != dsc->group ||
2094  be16_to_cpu(cmv->wAddress) != dsc->address)
2095  goto bad2;
2096 
2097  sc->data = be32_to_cpu(cmv->dwData[0]);
2098  sc->data1 = be32_to_cpu(cmv->dwData[1]);
2099  wake_up_cmv_ack(sc);
2101  return;
2102 
2103 bad2:
2104  uea_err(INS_TO_USBDEV(sc), "unexpected cmv received, "
2105  "Function : %d, Subfunction : %d\n",
2109  return;
2110 }
2111 
2112 static void uea_schedule_load_page_e1(struct uea_softc *sc,
2113  struct intr_pkt *intr)
2114 {
2115  sc->pageno = intr->e1_bSwapPageNo;
2116  sc->ovl = intr->e1_bOvl >> 4 | intr->e1_bOvl << 4;
2117  schedule_work(&sc->task);
2118 }
2119 
2120 static void uea_schedule_load_page_e4(struct uea_softc *sc,
2121  struct intr_pkt *intr)
2122 {
2123  sc->pageno = intr->e4_bSwapPageNo;
2124  schedule_work(&sc->task);
2125 }
2126 
2127 /*
2128  * interrupt handler
2129  */
2130 static void uea_intr(struct urb *urb)
2131 {
2132  struct uea_softc *sc = urb->context;
2133  struct intr_pkt *intr = urb->transfer_buffer;
2134  int status = urb->status;
2135 
2137 
2138  if (unlikely(status < 0)) {
2139  uea_err(INS_TO_USBDEV(sc), "uea_intr() failed with %d\n",
2140  status);
2141  return;
2142  }
2143 
2144  /* device-to-host interrupt */
2145  if (intr->bType != 0x08 || sc->booting) {
2146  uea_err(INS_TO_USBDEV(sc), "wrong interrupt\n");
2147  goto resubmit;
2148  }
2149 
2150  switch (le16_to_cpu(intr->wInterrupt)) {
2151  case INT_LOADSWAPPAGE:
2152  sc->schedule_load_page(sc, intr);
2153  break;
2154 
2155  case INT_INCOMINGCMV:
2156  sc->dispatch_cmv(sc, intr);
2157  break;
2158 
2159  default:
2160  uea_err(INS_TO_USBDEV(sc), "unknown interrupt %u\n",
2161  le16_to_cpu(intr->wInterrupt));
2162  }
2163 
2164 resubmit:
2166 }
2167 
2168 /*
2169  * Start the modem : init the data and start kernel thread
2170  */
2171 static int uea_boot(struct uea_softc *sc)
2172 {
2173  int ret, size;
2174  struct intr_pkt *intr;
2175 
2177 
2178  if (UEA_CHIP_VERSION(sc) == EAGLE_IV) {
2179  size = E4_INTR_PKT_SIZE;
2180  sc->dispatch_cmv = uea_dispatch_cmv_e4;
2181  sc->schedule_load_page = uea_schedule_load_page_e4;
2182  sc->stat = uea_stat_e4;
2183  sc->send_cmvs = uea_send_cmvs_e4;
2184  INIT_WORK(&sc->task, uea_load_page_e4);
2185  } else {
2186  size = E1_INTR_PKT_SIZE;
2187  sc->dispatch_cmv = uea_dispatch_cmv_e1;
2188  sc->schedule_load_page = uea_schedule_load_page_e1;
2189  sc->stat = uea_stat_e1;
2190  sc->send_cmvs = uea_send_cmvs_e1;
2191  INIT_WORK(&sc->task, uea_load_page_e1);
2192  }
2193 
2195 
2196  if (UEA_CHIP_VERSION(sc) == ADI930)
2197  load_XILINX_firmware(sc);
2198 
2199  intr = kmalloc(size, GFP_KERNEL);
2200  if (!intr) {
2201  uea_err(INS_TO_USBDEV(sc),
2202  "cannot allocate interrupt package\n");
2203  goto err0;
2204  }
2205 
2206  sc->urb_int = usb_alloc_urb(0, GFP_KERNEL);
2207  if (!sc->urb_int) {
2208  uea_err(INS_TO_USBDEV(sc), "cannot allocate interrupt URB\n");
2209  goto err1;
2210  }
2211 
2212  usb_fill_int_urb(sc->urb_int, sc->usb_dev,
2213  usb_rcvintpipe(sc->usb_dev, UEA_INTR_PIPE),
2214  intr, size, uea_intr, sc,
2215  sc->usb_dev->actconfig->interface[0]->altsetting[0].
2216  endpoint[0].desc.bInterval);
2217 
2218  ret = usb_submit_urb(sc->urb_int, GFP_KERNEL);
2219  if (ret < 0) {
2220  uea_err(INS_TO_USBDEV(sc),
2221  "urb submition failed with error %d\n", ret);
2222  goto err1;
2223  }
2224 
2225  /* Create worker thread, but don't start it here. Start it after
2226  * all usbatm generic initialization is done.
2227  */
2228  sc->kthread = kthread_create(uea_kthread, sc, "ueagle-atm");
2229  if (IS_ERR(sc->kthread)) {
2230  uea_err(INS_TO_USBDEV(sc), "failed to create thread\n");
2231  goto err2;
2232  }
2233 
2235  return 0;
2236 
2237 err2:
2238  usb_kill_urb(sc->urb_int);
2239 err1:
2240  usb_free_urb(sc->urb_int);
2241  sc->urb_int = NULL;
2242  kfree(intr);
2243 err0:
2245  return -ENOMEM;
2246 }
2247 
2248 /*
2249  * Stop the modem : kill kernel thread and free data
2250  */
2251 static void uea_stop(struct uea_softc *sc)
2252 {
2253  int ret;
2255  ret = kthread_stop(sc->kthread);
2256  uea_dbg(INS_TO_USBDEV(sc), "kthread finish with status %d\n", ret);
2257 
2258  uea_request(sc, UEA_SET_MODE, UEA_LOOPBACK_ON, 0, NULL);
2259 
2260  usb_kill_urb(sc->urb_int);
2261  kfree(sc->urb_int->transfer_buffer);
2262  usb_free_urb(sc->urb_int);
2263 
2264  /* flush the work item, when no one can schedule it */
2265  flush_work(&sc->task);
2266 
2269 }
2270 
2271 /* syfs interface */
2272 static struct uea_softc *dev_to_uea(struct device *dev)
2273 {
2274  struct usb_interface *intf;
2275  struct usbatm_data *usbatm;
2276 
2277  intf = to_usb_interface(dev);
2278  if (!intf)
2279  return NULL;
2280 
2281  usbatm = usb_get_intfdata(intf);
2282  if (!usbatm)
2283  return NULL;
2284 
2285  return usbatm->driver_data;
2286 }
2287 
2288 static ssize_t read_status(struct device *dev, struct device_attribute *attr,
2289  char *buf)
2290 {
2291  int ret = -ENODEV;
2292  struct uea_softc *sc;
2293 
2294  mutex_lock(&uea_mutex);
2295  sc = dev_to_uea(dev);
2296  if (!sc)
2297  goto out;
2298  ret = snprintf(buf, 10, "%08x\n", sc->stats.phy.state);
2299 out:
2300  mutex_unlock(&uea_mutex);
2301  return ret;
2302 }
2303 
2304 static ssize_t reboot(struct device *dev, struct device_attribute *attr,
2305  const char *buf, size_t count)
2306 {
2307  int ret = -ENODEV;
2308  struct uea_softc *sc;
2309 
2310  mutex_lock(&uea_mutex);
2311  sc = dev_to_uea(dev);
2312  if (!sc)
2313  goto out;
2314  sc->reset = 1;
2315  ret = count;
2316 out:
2317  mutex_unlock(&uea_mutex);
2318  return ret;
2319 }
2320 
2321 static DEVICE_ATTR(stat_status, S_IWUSR | S_IRUGO, read_status, reboot);
2322 
2323 static ssize_t read_human_status(struct device *dev,
2324  struct device_attribute *attr, char *buf)
2325 {
2326  int ret = -ENODEV;
2327  int modem_state;
2328  struct uea_softc *sc;
2329 
2330  mutex_lock(&uea_mutex);
2331  sc = dev_to_uea(dev);
2332  if (!sc)
2333  goto out;
2334 
2335  if (UEA_CHIP_VERSION(sc) == EAGLE_IV) {
2336  switch (sc->stats.phy.state) {
2337  case 0x0: /* not yet synchronized */
2338  case 0x1:
2339  case 0x3:
2340  case 0x4:
2341  modem_state = 0;
2342  break;
2343  case 0x5: /* initialization */
2344  case 0x6:
2345  case 0x9:
2346  case 0xa:
2347  modem_state = 1;
2348  break;
2349  case 0x7: /* operational */
2350  modem_state = 2;
2351  break;
2352  case 0x2: /* fail ... */
2353  modem_state = 3;
2354  break;
2355  default: /* unknown */
2356  modem_state = 4;
2357  break;
2358  }
2359  } else
2360  modem_state = GET_STATUS(sc->stats.phy.state);
2361 
2362  switch (modem_state) {
2363  case 0:
2364  ret = sprintf(buf, "Modem is booting\n");
2365  break;
2366  case 1:
2367  ret = sprintf(buf, "Modem is initializing\n");
2368  break;
2369  case 2:
2370  ret = sprintf(buf, "Modem is operational\n");
2371  break;
2372  case 3:
2373  ret = sprintf(buf, "Modem synchronization failed\n");
2374  break;
2375  default:
2376  ret = sprintf(buf, "Modem state is unknown\n");
2377  break;
2378  }
2379 out:
2380  mutex_unlock(&uea_mutex);
2381  return ret;
2382 }
2383 
2384 static DEVICE_ATTR(stat_human_status, S_IRUGO, read_human_status, NULL);
2385 
2386 static ssize_t read_delin(struct device *dev, struct device_attribute *attr,
2387  char *buf)
2388 {
2389  int ret = -ENODEV;
2390  struct uea_softc *sc;
2391  char *delin = "GOOD";
2392 
2393  mutex_lock(&uea_mutex);
2394  sc = dev_to_uea(dev);
2395  if (!sc)
2396  goto out;
2397 
2398  if (UEA_CHIP_VERSION(sc) == EAGLE_IV) {
2399  if (sc->stats.phy.flags & 0x4000)
2400  delin = "RESET";
2401  else if (sc->stats.phy.flags & 0x0001)
2402  delin = "LOSS";
2403  } else {
2404  if (sc->stats.phy.flags & 0x0C00)
2405  delin = "ERROR";
2406  else if (sc->stats.phy.flags & 0x0030)
2407  delin = "LOSS";
2408  }
2409 
2410  ret = sprintf(buf, "%s\n", delin);
2411 out:
2412  mutex_unlock(&uea_mutex);
2413  return ret;
2414 }
2415 
2416 static DEVICE_ATTR(stat_delin, S_IRUGO, read_delin, NULL);
2417 
2418 #define UEA_ATTR(name, reset) \
2419  \
2420 static ssize_t read_##name(struct device *dev, \
2421  struct device_attribute *attr, char *buf) \
2422 { \
2423  int ret = -ENODEV; \
2424  struct uea_softc *sc; \
2425  \
2426  mutex_lock(&uea_mutex); \
2427  sc = dev_to_uea(dev); \
2428  if (!sc) \
2429  goto out; \
2430  ret = snprintf(buf, 10, "%08x\n", sc->stats.phy.name); \
2431  if (reset) \
2432  sc->stats.phy.name = 0; \
2433 out: \
2434  mutex_unlock(&uea_mutex); \
2435  return ret; \
2436 } \
2437  \
2438 static DEVICE_ATTR(stat_##name, S_IRUGO, read_##name, NULL)
2439 
2440 UEA_ATTR(mflags, 1);
2441 UEA_ATTR(vidcpe, 0);
2442 UEA_ATTR(usrate, 0);
2443 UEA_ATTR(dsrate, 0);
2444 UEA_ATTR(usattenuation, 0);
2445 UEA_ATTR(dsattenuation, 0);
2446 UEA_ATTR(usmargin, 0);
2447 UEA_ATTR(dsmargin, 0);
2448 UEA_ATTR(txflow, 0);
2449 UEA_ATTR(rxflow, 0);
2450 UEA_ATTR(uscorr, 0);
2451 UEA_ATTR(dscorr, 0);
2452 UEA_ATTR(usunc, 0);
2453 UEA_ATTR(dsunc, 0);
2454 UEA_ATTR(firmid, 0);
2455 
2456 /* Retrieve the device End System Identifier (MAC) */
2457 
2458 static int uea_getesi(struct uea_softc *sc, u_char * esi)
2459 {
2460  unsigned char mac_str[2 * ETH_ALEN + 1];
2461  int i;
2462  if (usb_string
2463  (sc->usb_dev, sc->usb_dev->descriptor.iSerialNumber, mac_str,
2464  sizeof(mac_str)) != 2 * ETH_ALEN)
2465  return 1;
2466 
2467  for (i = 0; i < ETH_ALEN; i++)
2468  esi[i] = hex_to_bin(mac_str[2 * i]) * 16 +
2469  hex_to_bin(mac_str[2 * i + 1]);
2470 
2471  return 0;
2472 }
2473 
2474 /* ATM stuff */
2475 static int uea_atm_open(struct usbatm_data *usbatm, struct atm_dev *atm_dev)
2476 {
2477  struct uea_softc *sc = usbatm->driver_data;
2478 
2479  return uea_getesi(sc, atm_dev->esi);
2480 }
2481 
2482 static int uea_heavy(struct usbatm_data *usbatm, struct usb_interface *intf)
2483 {
2484  struct uea_softc *sc = usbatm->driver_data;
2485 
2487 
2488  return 0;
2489 
2490 }
2491 
2492 static int claim_interface(struct usb_device *usb_dev,
2493  struct usbatm_data *usbatm, int ifnum)
2494 {
2495  int ret;
2496  struct usb_interface *intf = usb_ifnum_to_if(usb_dev, ifnum);
2497 
2498  if (!intf) {
2499  uea_err(usb_dev, "interface %d not found\n", ifnum);
2500  return -ENODEV;
2501  }
2502 
2503  ret = usb_driver_claim_interface(&uea_driver, intf, usbatm);
2504  if (ret != 0)
2505  uea_err(usb_dev, "can't claim interface %d, error %d\n", ifnum,
2506  ret);
2507  return ret;
2508 }
2509 
2510 static struct attribute *attrs[] = {
2511  &dev_attr_stat_status.attr,
2512  &dev_attr_stat_mflags.attr,
2513  &dev_attr_stat_human_status.attr,
2514  &dev_attr_stat_delin.attr,
2515  &dev_attr_stat_vidcpe.attr,
2516  &dev_attr_stat_usrate.attr,
2517  &dev_attr_stat_dsrate.attr,
2518  &dev_attr_stat_usattenuation.attr,
2519  &dev_attr_stat_dsattenuation.attr,
2520  &dev_attr_stat_usmargin.attr,
2521  &dev_attr_stat_dsmargin.attr,
2522  &dev_attr_stat_txflow.attr,
2523  &dev_attr_stat_rxflow.attr,
2524  &dev_attr_stat_uscorr.attr,
2525  &dev_attr_stat_dscorr.attr,
2526  &dev_attr_stat_usunc.attr,
2527  &dev_attr_stat_dsunc.attr,
2528  &dev_attr_stat_firmid.attr,
2529  NULL,
2530 };
2531 static struct attribute_group attr_grp = {
2532  .attrs = attrs,
2533 };
2534 
2535 static int uea_bind(struct usbatm_data *usbatm, struct usb_interface *intf,
2536  const struct usb_device_id *id)
2537 {
2538  struct usb_device *usb = interface_to_usbdev(intf);
2539  struct uea_softc *sc;
2540  int ret, ifnum = intf->altsetting->desc.bInterfaceNumber;
2541  unsigned int alt;
2542 
2543  uea_enters(usb);
2544 
2545  /* interface 0 is for firmware/monitoring */
2546  if (ifnum != UEA_INTR_IFACE_NO)
2547  return -ENODEV;
2548 
2549  usbatm->flags = (sync_wait[modem_index] ? 0 : UDSL_SKIP_HEAVY_INIT);
2550 
2551  /* interface 1 is for outbound traffic */
2552  ret = claim_interface(usb, usbatm, UEA_US_IFACE_NO);
2553  if (ret < 0)
2554  return ret;
2555 
2556  /* ADI930 has only 2 interfaces and inbound traffic is on interface 1 */
2557  if (UEA_CHIP_VERSION(id) != ADI930) {
2558  /* interface 2 is for inbound traffic */
2559  ret = claim_interface(usb, usbatm, UEA_DS_IFACE_NO);
2560  if (ret < 0)
2561  return ret;
2562  }
2563 
2564  sc = kzalloc(sizeof(struct uea_softc), GFP_KERNEL);
2565  if (!sc) {
2566  uea_err(usb, "uea_init: not enough memory !\n");
2567  return -ENOMEM;
2568  }
2569 
2570  sc->usb_dev = usb;
2571  usbatm->driver_data = sc;
2572  sc->usbatm = usbatm;
2573  sc->modem_index = (modem_index < NB_MODEM) ? modem_index++ : 0;
2574  sc->driver_info = id->driver_info;
2575 
2576  /* first try to use module parameter */
2577  if (annex[sc->modem_index] == 1)
2578  sc->annex = ANNEXA;
2579  else if (annex[sc->modem_index] == 2)
2580  sc->annex = ANNEXB;
2581  /* try to autodetect annex */
2582  else if (sc->driver_info & AUTO_ANNEX_A)
2583  sc->annex = ANNEXA;
2584  else if (sc->driver_info & AUTO_ANNEX_B)
2585  sc->annex = ANNEXB;
2586  else
2587  sc->annex = (le16_to_cpu
2588  (sc->usb_dev->descriptor.bcdDevice) & 0x80) ? ANNEXB : ANNEXA;
2589 
2590  alt = altsetting[sc->modem_index];
2591  /* ADI930 don't support iso */
2592  if (UEA_CHIP_VERSION(id) != ADI930 && alt > 0) {
2593  if (alt <= 8 &&
2594  usb_set_interface(usb, UEA_DS_IFACE_NO, alt) == 0) {
2595  uea_dbg(usb, "set alternate %u for 2 interface\n", alt);
2596  uea_info(usb, "using iso mode\n");
2597  usbatm->flags |= UDSL_USE_ISOC | UDSL_IGNORE_EILSEQ;
2598  } else {
2599  uea_err(usb, "setting alternate %u failed for "
2600  "2 interface, using bulk mode\n", alt);
2601  }
2602  }
2603 
2604  ret = sysfs_create_group(&intf->dev.kobj, &attr_grp);
2605  if (ret < 0)
2606  goto error;
2607 
2608  ret = uea_boot(sc);
2609  if (ret < 0)
2610  goto error_rm_grp;
2611 
2612  return 0;
2613 
2614 error_rm_grp:
2615  sysfs_remove_group(&intf->dev.kobj, &attr_grp);
2616 error:
2617  kfree(sc);
2618  return ret;
2619 }
2620 
2621 static void uea_unbind(struct usbatm_data *usbatm, struct usb_interface *intf)
2622 {
2623  struct uea_softc *sc = usbatm->driver_data;
2624 
2625  sysfs_remove_group(&intf->dev.kobj, &attr_grp);
2626  uea_stop(sc);
2627  kfree(sc);
2628 }
2629 
2630 static struct usbatm_driver uea_usbatm_driver = {
2631  .driver_name = "ueagle-atm",
2632  .bind = uea_bind,
2633  .atm_start = uea_atm_open,
2634  .unbind = uea_unbind,
2635  .heavy_init = uea_heavy,
2636  .bulk_in = UEA_BULK_DATA_PIPE,
2637  .bulk_out = UEA_BULK_DATA_PIPE,
2638  .isoc_in = UEA_ISO_DATA_PIPE,
2639 };
2640 
2641 static int uea_probe(struct usb_interface *intf, const struct usb_device_id *id)
2642 {
2643  struct usb_device *usb = interface_to_usbdev(intf);
2644  int ret;
2645 
2646  uea_enters(usb);
2647  uea_info(usb, "ADSL device founded vid (%#X) pid (%#X) Rev (%#X): %s\n",
2648  le16_to_cpu(usb->descriptor.idVendor),
2649  le16_to_cpu(usb->descriptor.idProduct),
2650  le16_to_cpu(usb->descriptor.bcdDevice),
2651  chip_name[UEA_CHIP_VERSION(id)]);
2652 
2653  usb_reset_device(usb);
2654 
2655  if (UEA_IS_PREFIRM(id))
2656  return uea_load_firmware(usb, UEA_CHIP_VERSION(id));
2657 
2658  ret = usbatm_usb_probe(intf, id, &uea_usbatm_driver);
2659  if (ret == 0) {
2660  struct usbatm_data *usbatm = usb_get_intfdata(intf);
2661  struct uea_softc *sc = usbatm->driver_data;
2662 
2663  /* Ensure carrier is initialized to off as early as possible */
2665 
2666  /* Only start the worker thread when all init is done */
2667  wake_up_process(sc->kthread);
2668  }
2669 
2670  return ret;
2671 }
2672 
2673 static void uea_disconnect(struct usb_interface *intf)
2674 {
2675  struct usb_device *usb = interface_to_usbdev(intf);
2676  int ifnum = intf->altsetting->desc.bInterfaceNumber;
2677  uea_enters(usb);
2678 
2679  /* ADI930 has 2 interfaces and eagle 3 interfaces.
2680  * Pre-firmware device has one interface
2681  */
2682  if (usb->config->desc.bNumInterfaces != 1 && ifnum == 0) {
2683  mutex_lock(&uea_mutex);
2684  usbatm_usb_disconnect(intf);
2685  mutex_unlock(&uea_mutex);
2686  uea_info(usb, "ADSL device removed\n");
2687  }
2688 
2689  uea_leaves(usb);
2690 }
2691 
2692 /*
2693  * List of supported VID/PID
2694  */
2695 static const struct usb_device_id uea_ids[] = {
2696  {USB_DEVICE(ANALOG_VID, ADI930_PID_PREFIRM),
2697  .driver_info = ADI930 | PREFIRM},
2698  {USB_DEVICE(ANALOG_VID, ADI930_PID_PSTFIRM),
2699  .driver_info = ADI930 | PSTFIRM},
2700  {USB_DEVICE(ANALOG_VID, EAGLE_I_PID_PREFIRM),
2701  .driver_info = EAGLE_I | PREFIRM},
2702  {USB_DEVICE(ANALOG_VID, EAGLE_I_PID_PSTFIRM),
2703  .driver_info = EAGLE_I | PSTFIRM},
2704  {USB_DEVICE(ANALOG_VID, EAGLE_II_PID_PREFIRM),
2705  .driver_info = EAGLE_II | PREFIRM},
2706  {USB_DEVICE(ANALOG_VID, EAGLE_II_PID_PSTFIRM),
2707  .driver_info = EAGLE_II | PSTFIRM},
2708  {USB_DEVICE(ANALOG_VID, EAGLE_IIC_PID_PREFIRM),
2709  .driver_info = EAGLE_II | PREFIRM},
2710  {USB_DEVICE(ANALOG_VID, EAGLE_IIC_PID_PSTFIRM),
2711  .driver_info = EAGLE_II | PSTFIRM},
2712  {USB_DEVICE(ANALOG_VID, EAGLE_III_PID_PREFIRM),
2713  .driver_info = EAGLE_III | PREFIRM},
2714  {USB_DEVICE(ANALOG_VID, EAGLE_III_PID_PSTFIRM),
2715  .driver_info = EAGLE_III | PSTFIRM},
2716  {USB_DEVICE(ANALOG_VID, EAGLE_IV_PID_PREFIRM),
2717  .driver_info = EAGLE_IV | PREFIRM},
2718  {USB_DEVICE(ANALOG_VID, EAGLE_IV_PID_PSTFIRM),
2719  .driver_info = EAGLE_IV | PSTFIRM},
2721  .driver_info = EAGLE_I | PREFIRM},
2723  .driver_info = EAGLE_I | PSTFIRM | AUTO_ANNEX_A},
2725  .driver_info = EAGLE_I | PREFIRM},
2727  .driver_info = EAGLE_I | PSTFIRM | AUTO_ANNEX_B},
2729  .driver_info = EAGLE_II | PREFIRM},
2731  .driver_info = EAGLE_II | PSTFIRM | AUTO_ANNEX_A},
2733  .driver_info = EAGLE_II | PREFIRM},
2735  .driver_info = EAGLE_II | PSTFIRM | AUTO_ANNEX_B},
2736  {USB_DEVICE(ELSA_VID, ELSA_PID_PREFIRM),
2737  .driver_info = ADI930 | PREFIRM},
2738  {USB_DEVICE(ELSA_VID, ELSA_PID_PSTFIRM),
2739  .driver_info = ADI930 | PSTFIRM},
2740  {USB_DEVICE(ELSA_VID, ELSA_PID_A_PREFIRM),
2741  .driver_info = ADI930 | PREFIRM},
2742  {USB_DEVICE(ELSA_VID, ELSA_PID_A_PSTFIRM),
2743  .driver_info = ADI930 | PSTFIRM | AUTO_ANNEX_A},
2744  {USB_DEVICE(ELSA_VID, ELSA_PID_B_PREFIRM),
2745  .driver_info = ADI930 | PREFIRM},
2746  {USB_DEVICE(ELSA_VID, ELSA_PID_B_PSTFIRM),
2747  .driver_info = ADI930 | PSTFIRM | AUTO_ANNEX_B},
2748  {USB_DEVICE(USR_VID, MILLER_A_PID_PREFIRM),
2749  .driver_info = EAGLE_I | PREFIRM},
2750  {USB_DEVICE(USR_VID, MILLER_A_PID_PSTFIRM),
2751  .driver_info = EAGLE_I | PSTFIRM | AUTO_ANNEX_A},
2752  {USB_DEVICE(USR_VID, MILLER_B_PID_PREFIRM),
2753  .driver_info = EAGLE_I | PREFIRM},
2754  {USB_DEVICE(USR_VID, MILLER_B_PID_PSTFIRM),
2755  .driver_info = EAGLE_I | PSTFIRM | AUTO_ANNEX_B},
2756  {USB_DEVICE(USR_VID, HEINEKEN_A_PID_PREFIRM),
2757  .driver_info = EAGLE_I | PREFIRM},
2758  {USB_DEVICE(USR_VID, HEINEKEN_A_PID_PSTFIRM),
2759  .driver_info = EAGLE_I | PSTFIRM | AUTO_ANNEX_A},
2760  {USB_DEVICE(USR_VID, HEINEKEN_B_PID_PREFIRM),
2761  .driver_info = EAGLE_I | PREFIRM},
2762  {USB_DEVICE(USR_VID, HEINEKEN_B_PID_PSTFIRM),
2763  .driver_info = EAGLE_I | PSTFIRM | AUTO_ANNEX_B},
2764  {}
2765 };
2766 
2767 /*
2768  * USB driver descriptor
2769  */
2770 static struct usb_driver uea_driver = {
2771  .name = "ueagle-atm",
2772  .id_table = uea_ids,
2773  .probe = uea_probe,
2774  .disconnect = uea_disconnect,
2775 };
2776 
2777 MODULE_DEVICE_TABLE(usb, uea_ids);
2778 
2779 module_usb_driver(uea_driver);
2780 
2781 MODULE_AUTHOR("Damien Bergamini/Matthieu Castet/Stanislaw W. Gruszka");
2782 MODULE_DESCRIPTION("ADI 930/Eagle USB ADSL Modem driver");
2783 MODULE_LICENSE("Dual BSD/GPL");