]> git.ipfire.org Git - people/arne_f/kernel.git/blob - drivers/usb/atm/ueagle-atm.c
projects / people / arne_f / kernel.git / blob
? search:
summary | shortlog | log | commit | commitdiff | tree
blame | history | raw | HEAD
include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit...
[people/arne_f/kernel.git] / drivers / usb / atm / ueagle-atm.c
1 /*-
2 * Copyright (c) 2003, 2004
3 * Damien Bergamini <damien.bergamini@free.fr>. All rights reserved.
4 *
5 * Copyright (c) 2005-2007 Matthieu Castet <castet.matthieu@free.fr>
6 * Copyright (c) 2005-2007 Stanislaw Gruszka <stf_xl@wp.pl>
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
71 #include <asm/unaligned.h>
72
73 #include "usbatm.h"
74
75 #define EAGLEUSBVERSION "ueagle 1.4"
76
77
78 /*
79 * Debug macros
80 */
81 #define uea_dbg(usb_dev, format, args...) \
82 do { \
83 if (debug >= 1) \
84 dev_dbg(&(usb_dev)->dev, \
85 "[ueagle-atm dbg] %s: " format, \
86 __func__, ##args); \
87 } while (0)
88
89 #define uea_vdbg(usb_dev, format, args...) \
90 do { \
91 if (debug >= 2) \
92 dev_dbg(&(usb_dev)->dev, \
93 "[ueagle-atm vdbg] " format, ##args); \
94 } while (0)
95
96 #define uea_enters(usb_dev) \
97 uea_vdbg(usb_dev, "entering %s\n", __func__)
98
99 #define uea_leaves(usb_dev) \
100 uea_vdbg(usb_dev, "leaving %s\n", __func__)
101
102 #define uea_err(usb_dev, format,args...) \
103 dev_err(&(usb_dev)->dev ,"[UEAGLE-ATM] " format , ##args)
104
105 #define uea_warn(usb_dev, format,args...) \
106 dev_warn(&(usb_dev)->dev ,"[Ueagle-atm] " format, ##args)
107
108 #define uea_info(usb_dev, format,args...) \
109 dev_info(&(usb_dev)->dev ,"[ueagle-atm] " format, ##args)
110
111 struct intr_pkt;
112
113 /* cmv's from firmware */
114 struct uea_cmvs_v1 {
115 u32 address;
116 u16 offset;
117 u32 data;
118 } __attribute__ ((packed));
119
120 struct uea_cmvs_v2 {
121 u32 group;
122 u32 address;
123 u32 offset;
124 u32 data;
125 } __attribute__ ((packed));
126
127 /* information about currently processed cmv */
128 struct cmv_dsc_e1 {
129 u8 function;
130 u16 idx;
131 u32 address;
132 u16 offset;
133 };
134
135 struct cmv_dsc_e4 {
136 u16 function;
137 u16 offset;
138 u16 address;
139 u16 group;
140 };
141
142 union cmv_dsc {
143 struct cmv_dsc_e1 e1;
144 struct cmv_dsc_e4 e4;
145 };
146
147 struct uea_softc {
148 struct usb_device *usb_dev;
149 struct usbatm_data *usbatm;
150
151 int modem_index;
152 unsigned int driver_info;
153 int annex;
154 #define ANNEXA 0
155 #define ANNEXB 1
156
157 int booting;
158 int reset;
159
160 wait_queue_head_t sync_q;
161
162 struct task_struct *kthread;
163 u32 data;
164 u32 data1;
165
166 int cmv_ack;
167 union cmv_dsc cmv_dsc;
168
169 struct work_struct task;
170 struct workqueue_struct *work_q;
171 u16 pageno;
172 u16 ovl;
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 {
185 u32 state;
186 u32 flags;
187 u32 mflags;
188 u32 vidcpe;
189 u32 vidco;
190 u32 dsrate;
191 u32 usrate;
192 u32 dsunc;
193 u32 usunc;
194 u32 dscorr;
195 u32 uscorr;
196 u32 txflow;
197 u32 rxflow;
198 u32 usattenuation;
199 u32 dsattenuation;
200 u32 dsmargin;
201 u32 usmargin;
202 u32 firmid;
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,
277 EAGLE_I,
278 EAGLE_II,
279 EAGLE_III,
280 EAGLE_IV
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 UEA_FW_NAME_MAX 30
311 #define NB_MODEM 4
312
313 #define BULK_TIMEOUT 300
314 #define CTRL_TIMEOUT 1000
315
316 #define ACK_TIMEOUT msecs_to_jiffies(3000)
317
318 #define UEA_INTR_IFACE_NO 0
319 #define UEA_US_IFACE_NO 1
320 #define UEA_DS_IFACE_NO 2
321
322 #define FASTEST_ISO_INTF 8
323
324 #define UEA_BULK_DATA_PIPE 0x02
325 #define UEA_IDMA_PIPE 0x04
326 #define UEA_INTR_PIPE 0x04
327 #define UEA_ISO_DATA_PIPE 0x08
328
329 #define UEA_E1_SET_BLOCK 0x0001
330 #define UEA_E4_SET_BLOCK 0x002c
331 #define UEA_SET_MODE 0x0003
332 #define UEA_SET_2183_DATA 0x0004
333 #define UEA_SET_TIMEOUT 0x0011
334
335 #define UEA_LOOPBACK_OFF 0x0002
336 #define UEA_LOOPBACK_ON 0x0003
337 #define UEA_BOOT_IDMA 0x0006
338 #define UEA_START_RESET 0x0007
339 #define UEA_END_RESET 0x0008
340
341 #define UEA_SWAP_MAILBOX (0x3fcd | 0x4000)
342 #define UEA_MPTX_START (0x3fce | 0x4000)
343 #define UEA_MPTX_MAILBOX (0x3fd6 | 0x4000)
344 #define UEA_MPRX_MAILBOX (0x3fdf | 0x4000)
345
346 /* block information in eagle4 dsp firmware */
347 struct block_index {
348 __le32 PageOffset;
349 __le32 NotLastBlock;
350 __le32 dummy;
351 __le32 PageSize;
352 __le32 PageAddress;
353 __le16 dummy1;
354 __le16 PageNumber;
355 } __attribute__ ((packed));
356
357 #define E4_IS_BOOT_PAGE(PageSize) ((le32_to_cpu(PageSize)) & 0x80000000)
358 #define E4_PAGE_BYTES(PageSize) ((le32_to_cpu(PageSize) & 0x7fffffff) * 4)
359
360 #define E4_L1_STRING_HEADER 0x10
361 #define E4_MAX_PAGE_NUMBER 0x58
362 #define E4_NO_SWAPPAGE_HEADERS 0x31
363
364 /* l1_code is eagle4 dsp firmware format */
365 struct l1_code {
366 u8 string_header[E4_L1_STRING_HEADER];
367 u8 page_number_to_block_index[E4_MAX_PAGE_NUMBER];
368 struct block_index page_header[E4_NO_SWAPPAGE_HEADERS];
369 u8 code [0];
370 } __attribute__ ((packed));
371
372 /* structures describing a block within a DSP page */
373 struct block_info_e1 {
374 __le16 wHdr;
375 __le16 wAddress;
376 __le16 wSize;
377 __le16 wOvlOffset;
378 __le16 wOvl; /* overlay */
379 __le16 wLast;
380 } __attribute__ ((packed));
381 #define E1_BLOCK_INFO_SIZE 12
382
383 struct block_info_e4 {
384 __be16 wHdr;
385 __u8 bBootPage;
386 __u8 bPageNumber;
387 __be32 dwSize;
388 __be32 dwAddress;
389 __be16 wReserved;
390 } __attribute__ ((packed));
391 #define E4_BLOCK_INFO_SIZE 14
392
393 #define UEA_BIHDR 0xabcd
394 #define UEA_RESERVED 0xffff
395
396 /* constants describing cmv type */
397 #define E1_PREAMBLE 0x535c
398 #define E1_MODEMTOHOST 0x01
399 #define E1_HOSTTOMODEM 0x10
400
401 #define E1_MEMACCESS 0x1
402 #define E1_ADSLDIRECTIVE 0x7
403 #define E1_FUNCTION_TYPE(f) ((f) >> 4)
404 #define E1_FUNCTION_SUBTYPE(f) ((f) & 0x0f)
405
406 #define E4_MEMACCESS 0
407 #define E4_ADSLDIRECTIVE 0xf
408 #define E4_FUNCTION_TYPE(f) ((f) >> 8)
409 #define E4_FUNCTION_SIZE(f) ((f) & 0x0f)
410 #define E4_FUNCTION_SUBTYPE(f) (((f) >> 4) & 0x0f)
411
412 /* for MEMACCESS */
413 #define E1_REQUESTREAD 0x0
414 #define E1_REQUESTWRITE 0x1
415 #define E1_REPLYREAD 0x2
416 #define E1_REPLYWRITE 0x3
417
418 #define E4_REQUESTREAD 0x0
419 #define E4_REQUESTWRITE 0x4
420 #define E4_REPLYREAD (E4_REQUESTREAD | 1)
421 #define E4_REPLYWRITE (E4_REQUESTWRITE | 1)
422
423 /* for ADSLDIRECTIVE */
424 #define E1_KERNELREADY 0x0
425 #define E1_MODEMREADY 0x1
426
427 #define E4_KERNELREADY 0x0
428 #define E4_MODEMREADY 0x1
429
430 #define E1_MAKEFUNCTION(t, s) (((t) & 0xf) << 4 | ((s) & 0xf))
431 #define E4_MAKEFUNCTION(t, st, s) (((t) & 0xf) << 8 | ((st) & 0xf) << 4 | ((s) & 0xf))
432
433 #define E1_MAKESA(a, b, c, d) \
434 (((c) & 0xff) << 24 | \
435 ((d) & 0xff) << 16 | \
436 ((a) & 0xff) << 8 | \
437 ((b) & 0xff))
438
439 #define E1_GETSA1(a) ((a >> 8) & 0xff)
440 #define E1_GETSA2(a) (a & 0xff)
441 #define E1_GETSA3(a) ((a >> 24) & 0xff)
442 #define E1_GETSA4(a) ((a >> 16) & 0xff)
443
444 #define E1_SA_CNTL E1_MAKESA('C', 'N', 'T', 'L')
445 #define E1_SA_DIAG E1_MAKESA('D', 'I', 'A', 'G')
446 #define E1_SA_INFO E1_MAKESA('I', 'N', 'F', 'O')
447 #define E1_SA_OPTN E1_MAKESA('O', 'P', 'T', 'N')
448 #define E1_SA_RATE E1_MAKESA('R', 'A', 'T', 'E')
449 #define E1_SA_STAT E1_MAKESA('S', 'T', 'A', 'T')
450
451 #define E4_SA_CNTL 1
452 #define E4_SA_STAT 2
453 #define E4_SA_INFO 3
454 #define E4_SA_TEST 4
455 #define E4_SA_OPTN 5
456 #define E4_SA_RATE 6
457 #define E4_SA_DIAG 7
458 #define E4_SA_CNFG 8
459
460 /* structures representing a CMV (Configuration and Management Variable) */
461 struct cmv_e1 {
462 __le16 wPreamble;
463 __u8 bDirection;
464 __u8 bFunction;
465 __le16 wIndex;
466 __le32 dwSymbolicAddress;
467 __le16 wOffsetAddress;
468 __le32 dwData;
469 } __attribute__ ((packed));
470
471 struct cmv_e4 {
472 __be16 wGroup;
473 __be16 wFunction;
474 __be16 wOffset;
475 __be16 wAddress;
476 __be32 dwData [6];
477 } __attribute__ ((packed));
478
479 /* structures representing swap information */
480 struct swap_info_e1 {
481 __u8 bSwapPageNo;
482 __u8 bOvl; /* overlay */
483 } __attribute__ ((packed));
484
485 struct swap_info_e4 {
486 __u8 bSwapPageNo;
487 } __attribute__ ((packed));
488
489 /* structures representing interrupt data */
490 #define e1_bSwapPageNo u.e1.s1.swapinfo.bSwapPageNo
491 #define e1_bOvl u.e1.s1.swapinfo.bOvl
492 #define e4_bSwapPageNo u.e4.s1.swapinfo.bSwapPageNo
493
494 #define INT_LOADSWAPPAGE 0x0001
495 #define INT_INCOMINGCMV 0x0002
496
497 union intr_data_e1 {
498 struct {
499 struct swap_info_e1 swapinfo;
500 __le16 wDataSize;
501 } __attribute__ ((packed)) s1;
502 struct {
503 struct cmv_e1 cmv;
504 __le16 wDataSize;
505 } __attribute__ ((packed)) s2;
506 } __attribute__ ((packed));
507
508 union intr_data_e4 {
509 struct {
510 struct swap_info_e4 swapinfo;
511 __le16 wDataSize;
512 } __attribute__ ((packed)) s1;
513 struct {
514 struct cmv_e4 cmv;
515 __le16 wDataSize;
516 } __attribute__ ((packed)) s2;
517 } __attribute__ ((packed));
518
519 struct intr_pkt {
520 __u8 bType;
521 __u8 bNotification;
522 __le16 wValue;
523 __le16 wIndex;
524 __le16 wLength;
525 __le16 wInterrupt;
526 union {
527 union intr_data_e1 e1;
528 union intr_data_e4 e4;
529 } u;
530 } __attribute__ ((packed));
531
532 #define E1_INTR_PKT_SIZE 28
533 #define E4_INTR_PKT_SIZE 64
534
535 static struct usb_driver uea_driver;
536 static DEFINE_MUTEX(uea_mutex);
537 static const char *chip_name[] = {"ADI930", "Eagle I", "Eagle II", "Eagle III", "Eagle IV"};
538
539 static int modem_index;
540 static unsigned int debug;
541 static unsigned int altsetting[NB_MODEM] = {[0 ... (NB_MODEM - 1)] = FASTEST_ISO_INTF};
542 static int sync_wait[NB_MODEM];
543 static char *cmv_file[NB_MODEM];
544 static int annex[NB_MODEM];
545
546 module_param(debug, uint, 0644);
547 MODULE_PARM_DESC(debug, "module debug level (0=off,1=on,2=verbose)");
548 module_param_array(altsetting, uint, NULL, 0644);
549 MODULE_PARM_DESC(altsetting, "alternate setting for incoming traffic: 0=bulk, "
550 "1=isoc slowest, ... , 8=isoc fastest (default)");
551 module_param_array(sync_wait, bool, NULL, 0644);
552 MODULE_PARM_DESC(sync_wait, "wait the synchronisation before starting ATM");
553 module_param_array(cmv_file, charp, NULL, 0644);
554 MODULE_PARM_DESC(cmv_file,
555 "file name with configuration and management variables");
556 module_param_array(annex, uint, NULL, 0644);
557 MODULE_PARM_DESC(annex,
558 "manually set annex a/b (0=auto, 1=annex a, 2=annex b)");
559
560 #define uea_wait(sc, cond, timeo) \
561 ({ \
562 int _r = wait_event_interruptible_timeout(sc->sync_q, \
563 (cond) || kthread_should_stop(), timeo); \
564 if (kthread_should_stop()) \
565 _r = -ENODEV; \
566 _r; \
567 })
568
569 #define UPDATE_ATM_STAT(type, val) \
570 do { \
571 if (sc->usbatm->atm_dev) \
572 sc->usbatm->atm_dev->type = val; \
573 } while (0)
574
575 /* Firmware loading */
576 #define LOAD_INTERNAL 0xA0
577 #define F8051_USBCS 0x7f92
578
579 /**
580 * uea_send_modem_cmd - Send a command for pre-firmware devices.
581 */
582 static int uea_send_modem_cmd(struct usb_device *usb,
583 u16 addr, u16 size, const u8 *buff)
584 {
585 int ret = -ENOMEM;
586 u8 *xfer_buff;
587
588 xfer_buff = kmemdup(buff, size, GFP_KERNEL);
589 if (xfer_buff) {
590 ret = usb_control_msg(usb,
591 usb_sndctrlpipe(usb, 0),
592 LOAD_INTERNAL,
593 USB_DIR_OUT | USB_TYPE_VENDOR |
594 USB_RECIP_DEVICE, addr, 0, xfer_buff,
595 size, CTRL_TIMEOUT);
596 kfree(xfer_buff);
597 }
598
599 if (ret < 0)
600 return ret;
601
602 return (ret == size) ? 0 : -EIO;
603 }
604
605 static void uea_upload_pre_firmware(const struct firmware *fw_entry, void *context)
606 {
607 struct usb_device *usb = context;
608 const u8 *pfw;
609 u8 value;
610 u32 crc = 0;
611 int ret, size;
612
613 uea_enters(usb);
614 if (!fw_entry) {
615 uea_err(usb, "firmware is not available\n");
616 goto err;
617 }
618
619 pfw = fw_entry->data;
620 size = fw_entry->size;
621 if (size < 4)
622 goto err_fw_corrupted;
623
624 crc = get_unaligned_le32(pfw);
625 pfw += 4;
626 size -= 4;
627 if (crc32_be(0, pfw, size) != crc)
628 goto err_fw_corrupted;
629
630 /*
631 * Start to upload firmware : send reset
632 */
633 value = 1;
634 ret = uea_send_modem_cmd(usb, F8051_USBCS, sizeof(value), &value);
635
636 if (ret < 0) {
637 uea_err(usb, "modem reset failed with error %d\n", ret);
638 goto err;
639 }
640
641 while (size > 3) {
642 u8 len = FW_GET_BYTE(pfw);
643 u16 add = get_unaligned_le16(pfw + 1);
644
645 size -= len + 3;
646 if (size < 0)
647 goto err_fw_corrupted;
648
649 ret = uea_send_modem_cmd(usb, add, len, pfw + 3);
650 if (ret < 0) {
651 uea_err(usb, "uploading firmware data failed "
652 "with error %d\n", ret);
653 goto err;
654 }
655 pfw += len + 3;
656 }
657
658 if (size != 0)
659 goto err_fw_corrupted;
660
661 /*
662 * Tell the modem we finish : de-assert reset
663 */
664 value = 0;
665 ret = uea_send_modem_cmd(usb, F8051_USBCS, 1, &value);
666 if (ret < 0)
667 uea_err(usb, "modem de-assert failed with error %d\n", ret);
668 else
669 uea_info(usb, "firmware uploaded\n");
670
671 goto err;
672
673 err_fw_corrupted:
674 uea_err(usb, "firmware is corrupted\n");
675 err:
676 release_firmware(fw_entry);
677 uea_leaves(usb);
678 }
679
680 /**
681 * uea_load_firmware - Load usb firmware for pre-firmware devices.
682 */
683 static int uea_load_firmware(struct usb_device *usb, unsigned int ver)
684 {
685 int ret;
686 char *fw_name = FW_DIR "eagle.fw";
687
688 uea_enters(usb);
689 uea_info(usb, "pre-firmware device, uploading firmware\n");
690
691 switch (ver) {
692 case ADI930:
693 fw_name = FW_DIR "adi930.fw";
694 break;
695 case EAGLE_I:
696 fw_name = FW_DIR "eagleI.fw";
697 break;
698 case EAGLE_II:
699 fw_name = FW_DIR "eagleII.fw";
700 break;
701 case EAGLE_III:
702 fw_name = FW_DIR "eagleIII.fw";
703 break;
704 case EAGLE_IV:
705 fw_name = FW_DIR "eagleIV.fw";
706 break;
707 }
708
709 ret = request_firmware_nowait(THIS_MODULE, 1, fw_name, &usb->dev,
710 GFP_KERNEL, usb, uea_upload_pre_firmware);
711 if (ret)
712 uea_err(usb, "firmware %s is not available\n", fw_name);
713 else
714 uea_info(usb, "loading firmware %s\n", fw_name);
715
716 uea_leaves(usb);
717 return ret;
718 }
719
720 /* modem management : dsp firmware, send/read CMV, monitoring statistic
721 */
722
723 /*
724 * Make sure that the DSP code provided is safe to use.
725 */
726 static int check_dsp_e1(const u8 *dsp, unsigned int len)
727 {
728 u8 pagecount, blockcount;
729 u16 blocksize;
730 u32 pageoffset;
731 unsigned int i, j, p, pp;
732
733 pagecount = FW_GET_BYTE(dsp);
734 p = 1;
735
736 /* enough space for page offsets? */
737 if (p + 4 * pagecount > len)
738 return 1;
739
740 for (i = 0; i < pagecount; i++) {
741
742 pageoffset = get_unaligned_le32(dsp + p);
743 p += 4;
744
745 if (pageoffset == 0)
746 continue;
747
748 /* enough space for blockcount? */
749 if (pageoffset >= len)
750 return 1;
751
752 pp = pageoffset;
753 blockcount = FW_GET_BYTE(dsp + pp);
754 pp += 1;
755
756 for (j = 0; j < blockcount; j++) {
757
758 /* enough space for block header? */
759 if (pp + 4 > len)
760 return 1;
761
762 pp += 2; /* skip blockaddr */
763 blocksize = get_unaligned_le16(dsp + pp);
764 pp += 2;
765
766 /* enough space for block data? */
767 if (pp + blocksize > len)
768 return 1;
769
770 pp += blocksize;
771 }
772 }
773
774 return 0;
775 }
776
777 static int check_dsp_e4(const u8 *dsp, int len)
778 {
779 int i;
780 struct l1_code *p = (struct l1_code *) dsp;
781 unsigned int sum = p->code - dsp;
782
783 if (len < sum)
784 return 1;
785
786 if (strcmp("STRATIPHY ANEXA", p->string_header) != 0 &&
787 strcmp("STRATIPHY ANEXB", p->string_header) != 0)
788 return 1;
789
790 for (i = 0; i < E4_MAX_PAGE_NUMBER; i++) {
791 struct block_index *blockidx;
792 u8 blockno = p->page_number_to_block_index[i];
793 if (blockno >= E4_NO_SWAPPAGE_HEADERS)
794 continue;
795
796 do {
797 u64 l;
798
799 if (blockno >= E4_NO_SWAPPAGE_HEADERS)
800 return 1;
801
802 blockidx = &p->page_header[blockno++];
803 if ((u8 *)(blockidx + 1) - dsp >= len)
804 return 1;
805
806 if (le16_to_cpu(blockidx->PageNumber) != i)
807 return 1;
808
809 l = E4_PAGE_BYTES(blockidx->PageSize);
810 sum += l;
811 l += le32_to_cpu(blockidx->PageOffset);
812 if (l > len)
813 return 1;
814
815 /* zero is zero regardless endianes */
816 } while (blockidx->NotLastBlock);
817 }
818
819 return (sum == len) ? 0 : 1;
820 }
821
822 /*
823 * send data to the idma pipe
824 * */
825 static int uea_idma_write(struct uea_softc *sc, const void *data, u32 size)
826 {
827 int ret = -ENOMEM;
828 u8 *xfer_buff;
829 int bytes_read;
830
831 xfer_buff = kmemdup(data, size, GFP_KERNEL);
832 if (!xfer_buff) {
833 uea_err(INS_TO_USBDEV(sc), "can't allocate xfer_buff\n");
834 return ret;
835 }
836
837 ret = usb_bulk_msg(sc->usb_dev,
838 usb_sndbulkpipe(sc->usb_dev, UEA_IDMA_PIPE),
839 xfer_buff, size, &bytes_read, BULK_TIMEOUT);
840
841 kfree(xfer_buff);
842 if (ret < 0)
843 return ret;
844 if (size != bytes_read) {
845 uea_err(INS_TO_USBDEV(sc), "size != bytes_read %d %d\n", size,
846 bytes_read);
847 return -EIO;
848 }
849
850 return 0;
851 }
852
853 static int request_dsp(struct uea_softc *sc)
854 {
855 int ret;
856 char *dsp_name;
857
858 if (UEA_CHIP_VERSION(sc) == EAGLE_IV) {
859 if (IS_ISDN(sc))
860 dsp_name = FW_DIR "DSP4i.bin";
861 else
862 dsp_name = FW_DIR "DSP4p.bin";
863 } else if (UEA_CHIP_VERSION(sc) == ADI930) {
864 if (IS_ISDN(sc))
865 dsp_name = FW_DIR "DSP9i.bin";
866 else
867 dsp_name = FW_DIR "DSP9p.bin";
868 } else {
869 if (IS_ISDN(sc))
870 dsp_name = FW_DIR "DSPei.bin";
871 else
872 dsp_name = FW_DIR "DSPep.bin";
873 }
874
875 ret = request_firmware(&sc->dsp_firm, dsp_name, &sc->usb_dev->dev);
876 if (ret < 0) {
877 uea_err(INS_TO_USBDEV(sc),
878 "requesting firmware %s failed with error %d\n",
879 dsp_name, ret);
880 return ret;
881 }
882
883 if (UEA_CHIP_VERSION(sc) == EAGLE_IV)
884 ret = check_dsp_e4(sc->dsp_firm->data, sc->dsp_firm->size);
885 else
886 ret = check_dsp_e1(sc->dsp_firm->data, sc->dsp_firm->size);
887
888 if (ret) {
889 uea_err(INS_TO_USBDEV(sc), "firmware %s is corrupted\n",
890 dsp_name);
891 release_firmware(sc->dsp_firm);
892 sc->dsp_firm = NULL;
893 return -EILSEQ;
894 }
895
896 return 0;
897 }
898
899 /*
900 * The uea_load_page() function must be called within a process context
901 */
902 static void uea_load_page_e1(struct work_struct *work)
903 {
904 struct uea_softc *sc = container_of(work, struct uea_softc, task);
905 u16 pageno = sc->pageno;
906 u16 ovl = sc->ovl;
907 struct block_info_e1 bi;
908
909 const u8 *p;
910 u8 pagecount, blockcount;
911 u16 blockaddr, blocksize;
912 u32 pageoffset;
913 int i;
914
915 /* reload firmware when reboot start and it's loaded already */
916 if (ovl == 0 && pageno == 0 && sc->dsp_firm) {
917 release_firmware(sc->dsp_firm);
918 sc->dsp_firm = NULL;
919 }
920
921 if (sc->dsp_firm == NULL && request_dsp(sc) < 0)
922 return;
923
924 p = sc->dsp_firm->data;
925 pagecount = FW_GET_BYTE(p);
926 p += 1;
927
928 if (pageno >= pagecount)
929 goto bad1;
930
931 p += 4 * pageno;
932 pageoffset = get_unaligned_le32(p);
933
934 if (pageoffset == 0)
935 goto bad1;
936
937 p = sc->dsp_firm->data + pageoffset;
938 blockcount = FW_GET_BYTE(p);
939 p += 1;
940
941 uea_dbg(INS_TO_USBDEV(sc),
942 "sending %u blocks for DSP page %u\n", blockcount, pageno);
943
944 bi.wHdr = cpu_to_le16(UEA_BIHDR);
945 bi.wOvl = cpu_to_le16(ovl);
946 bi.wOvlOffset = cpu_to_le16(ovl | 0x8000);
947
948 for (i = 0; i < blockcount; i++) {
949 blockaddr = get_unaligned_le16(p);
950 p += 2;
951
952 blocksize = get_unaligned_le16(p);
953 p += 2;
954
955 bi.wSize = cpu_to_le16(blocksize);
956 bi.wAddress = cpu_to_le16(blockaddr);
957 bi.wLast = cpu_to_le16((i == blockcount - 1) ? 1 : 0);
958
959 /* send block info through the IDMA pipe */
960 if (uea_idma_write(sc, &bi, E1_BLOCK_INFO_SIZE))
961 goto bad2;
962
963 /* send block data through the IDMA pipe */
964 if (uea_idma_write(sc, p, blocksize))
965 goto bad2;
966
967 p += blocksize;
968 }
969
970 return;
971
972 bad2:
973 uea_err(INS_TO_USBDEV(sc), "sending DSP block %u failed\n", i);
974 return;
975 bad1:
976 uea_err(INS_TO_USBDEV(sc), "invalid DSP page %u requested\n", pageno);
977 }
978
979 static void __uea_load_page_e4(struct uea_softc *sc, u8 pageno, int boot)
980 {
981 struct block_info_e4 bi;
982 struct block_index *blockidx;
983 struct l1_code *p = (struct l1_code *) sc->dsp_firm->data;
984 u8 blockno = p->page_number_to_block_index[pageno];
985
986 bi.wHdr = cpu_to_be16(UEA_BIHDR);
987 bi.bBootPage = boot;
988 bi.bPageNumber = pageno;
989 bi.wReserved = cpu_to_be16(UEA_RESERVED);
990
991 do {
992 const u8 *blockoffset;
993 unsigned int blocksize;
994
995 blockidx = &p->page_header[blockno];
996 blocksize = E4_PAGE_BYTES(blockidx->PageSize);
997 blockoffset = sc->dsp_firm->data + le32_to_cpu(blockidx->PageOffset);
998
999 bi.dwSize = cpu_to_be32(blocksize);
1000 bi.dwAddress = cpu_to_be32(le32_to_cpu(blockidx->PageAddress));
1001
1002 uea_dbg(INS_TO_USBDEV(sc),
1003 "sending block %u for DSP page %u size %u address %x\n",
1004 blockno, pageno, blocksize, le32_to_cpu(blockidx->PageAddress));
1005
1006 /* send block info through the IDMA pipe */
1007 if (uea_idma_write(sc, &bi, E4_BLOCK_INFO_SIZE))
1008 goto bad;
1009
1010 /* send block data through the IDMA pipe */
1011 if (uea_idma_write(sc, blockoffset, blocksize))
1012 goto bad;
1013
1014 blockno++;
1015 } while (blockidx->NotLastBlock);
1016
1017 return;
1018
1019 bad:
1020 uea_err(INS_TO_USBDEV(sc), "sending DSP block %u failed\n", blockno);
1021 return;
1022 }
1023
1024 static void uea_load_page_e4(struct work_struct *work)
1025 {
1026 struct uea_softc *sc = container_of(work, struct uea_softc, task);
1027 u8 pageno = sc->pageno;
1028 int i;
1029 struct block_info_e4 bi;
1030 struct l1_code *p;
1031
1032 uea_dbg(INS_TO_USBDEV(sc), "sending DSP page %u\n", pageno);
1033
1034 /* reload firmware when reboot start and it's loaded already */
1035 if (pageno == 0 && sc->dsp_firm) {
1036 release_firmware(sc->dsp_firm);
1037 sc->dsp_firm = NULL;
1038 }
1039
1040 if (sc->dsp_firm == NULL && request_dsp(sc) < 0)
1041 return;
1042
1043 p = (struct l1_code *) sc->dsp_firm->data;
1044 if (pageno >= le16_to_cpu(p->page_header[0].PageNumber)) {
1045 uea_err(INS_TO_USBDEV(sc), "invalid DSP page %u requested\n", pageno);
1046 return;
1047 }
1048
1049 if (pageno != 0) {
1050 __uea_load_page_e4(sc, pageno, 0);
1051 return;
1052 }
1053
1054 uea_dbg(INS_TO_USBDEV(sc),
1055 "sending Main DSP page %u\n", p->page_header[0].PageNumber);
1056
1057 for (i = 0; i < le16_to_cpu(p->page_header[0].PageNumber); i++) {
1058 if (E4_IS_BOOT_PAGE(p->page_header[i].PageSize))
1059 __uea_load_page_e4(sc, i, 1);
1060 }
1061
1062 uea_dbg(INS_TO_USBDEV(sc),"sending start bi\n");
1063
1064 bi.wHdr = cpu_to_be16(UEA_BIHDR);
1065 bi.bBootPage = 0;
1066 bi.bPageNumber = 0xff;
1067 bi.wReserved = cpu_to_be16(UEA_RESERVED);
1068 bi.dwSize = cpu_to_be32(E4_PAGE_BYTES(p->page_header[0].PageSize));
1069 bi.dwAddress = cpu_to_be32(le32_to_cpu(p->page_header[0].PageAddress));
1070
1071 /* send block info through the IDMA pipe */
1072 if (uea_idma_write(sc, &bi, E4_BLOCK_INFO_SIZE))
1073 uea_err(INS_TO_USBDEV(sc), "sending DSP start bi failed\n");
1074 }
1075
1076 static inline void wake_up_cmv_ack(struct uea_softc *sc)
1077 {
1078 BUG_ON(sc->cmv_ack);
1079 sc->cmv_ack = 1;
1080 wake_up(&sc->sync_q);
1081 }
1082
1083 static inline int wait_cmv_ack(struct uea_softc *sc)
1084 {
1085 int ret = uea_wait(sc, sc->cmv_ack , ACK_TIMEOUT);
1086
1087 sc->cmv_ack = 0;
1088
1089 uea_dbg(INS_TO_USBDEV(sc), "wait_event_timeout : %d ms\n",
1090 jiffies_to_msecs(ret));
1091
1092 if (ret < 0)
1093 return ret;
1094
1095 return (ret == 0) ? -ETIMEDOUT : 0;
1096 }
1097
1098 #define UCDC_SEND_ENCAPSULATED_COMMAND 0x00
1099
1100 static int uea_request(struct uea_softc *sc,
1101 u16 value, u16 index, u16 size, const void *data)
1102 {
1103 u8 *xfer_buff;
1104 int ret = -ENOMEM;
1105
1106 xfer_buff = kmemdup(data, size, GFP_KERNEL);
1107 if (!xfer_buff) {
1108 uea_err(INS_TO_USBDEV(sc), "can't allocate xfer_buff\n");
1109 return ret;
1110 }
1111
1112 ret = usb_control_msg(sc->usb_dev, usb_sndctrlpipe(sc->usb_dev, 0),
1113 UCDC_SEND_ENCAPSULATED_COMMAND,
1114 USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
1115 value, index, xfer_buff, size, CTRL_TIMEOUT);
1116
1117 kfree(xfer_buff);
1118 if (ret < 0) {
1119 uea_err(INS_TO_USBDEV(sc), "usb_control_msg error %d\n", ret);
1120 return ret;
1121 }
1122
1123 if (ret != size) {
1124 uea_err(INS_TO_USBDEV(sc),
1125 "usb_control_msg send only %d bytes (instead of %d)\n",
1126 ret, size);
1127 return -EIO;
1128 }
1129
1130 return 0;
1131 }
1132
1133 static int uea_cmv_e1(struct uea_softc *sc,
1134 u8 function, u32 address, u16 offset, u32 data)
1135 {
1136 struct cmv_e1 cmv;
1137 int ret;
1138
1139 uea_enters(INS_TO_USBDEV(sc));
1140 uea_vdbg(INS_TO_USBDEV(sc), "Function : %d-%d, Address : %c%c%c%c, "
1141 "offset : 0x%04x, data : 0x%08x\n",
1142 E1_FUNCTION_TYPE(function), E1_FUNCTION_SUBTYPE(function),
1143 E1_GETSA1(address), E1_GETSA2(address), E1_GETSA3(address),
1144 E1_GETSA4(address), offset, data);
1145
1146 /* we send a request, but we expect a reply */
1147 sc->cmv_dsc.e1.function = function | 0x2;
1148 sc->cmv_dsc.e1.idx++;
1149 sc->cmv_dsc.e1.address = address;
1150 sc->cmv_dsc.e1.offset = offset;
1151
1152 cmv.wPreamble = cpu_to_le16(E1_PREAMBLE);
1153 cmv.bDirection = E1_HOSTTOMODEM;
1154 cmv.bFunction = function;
1155 cmv.wIndex = cpu_to_le16(sc->cmv_dsc.e1.idx);
1156 put_unaligned_le32(address, &cmv.dwSymbolicAddress);
1157 cmv.wOffsetAddress = cpu_to_le16(offset);
1158 put_unaligned_le32(data >> 16 | data << 16, &cmv.dwData);
1159
1160 ret = uea_request(sc, UEA_E1_SET_BLOCK, UEA_MPTX_START, sizeof(cmv), &cmv);
1161 if (ret < 0)
1162 return ret;
1163 ret = wait_cmv_ack(sc);
1164 uea_leaves(INS_TO_USBDEV(sc));
1165 return ret;
1166 }
1167
1168 static int uea_cmv_e4(struct uea_softc *sc,
1169 u16 function, u16 group, u16 address, u16 offset, u32 data)
1170 {
1171 struct cmv_e4 cmv;
1172 int ret;
1173
1174 uea_enters(INS_TO_USBDEV(sc));
1175 memset(&cmv, 0, sizeof(cmv));
1176
1177 uea_vdbg(INS_TO_USBDEV(sc), "Function : %d-%d, Group : 0x%04x, "
1178 "Address : 0x%04x, offset : 0x%04x, data : 0x%08x\n",
1179 E4_FUNCTION_TYPE(function), E4_FUNCTION_SUBTYPE(function),
1180 group, address, offset, data);
1181
1182 /* we send a request, but we expect a reply */
1183 sc->cmv_dsc.e4.function = function | (0x1 << 4);
1184 sc->cmv_dsc.e4.offset = offset;
1185 sc->cmv_dsc.e4.address = address;
1186 sc->cmv_dsc.e4.group = group;
1187
1188 cmv.wFunction = cpu_to_be16(function);
1189 cmv.wGroup = cpu_to_be16(group);
1190 cmv.wAddress = cpu_to_be16(address);
1191 cmv.wOffset = cpu_to_be16(offset);
1192 cmv.dwData[0] = cpu_to_be32(data);
1193
1194 ret = uea_request(sc, UEA_E4_SET_BLOCK, UEA_MPTX_START, sizeof(cmv), &cmv);
1195 if (ret < 0)
1196 return ret;
1197 ret = wait_cmv_ack(sc);
1198 uea_leaves(INS_TO_USBDEV(sc));
1199 return ret;
1200 }
1201
1202 static inline int uea_read_cmv_e1(struct uea_softc *sc,
1203 u32 address, u16 offset, u32 *data)
1204 {
1205 int ret = uea_cmv_e1(sc, E1_MAKEFUNCTION(E1_MEMACCESS, E1_REQUESTREAD),
1206 address, offset, 0);
1207 if (ret < 0)
1208 uea_err(INS_TO_USBDEV(sc),
1209 "reading cmv failed with error %d\n", ret);
1210 else
1211 *data = sc->data;
1212
1213 return ret;
1214 }
1215
1216 static inline int uea_read_cmv_e4(struct uea_softc *sc,
1217 u8 size, u16 group, u16 address, u16 offset, u32 *data)
1218 {
1219 int ret = uea_cmv_e4(sc, E4_MAKEFUNCTION(E4_MEMACCESS, E4_REQUESTREAD, size),
1220 group, address, offset, 0);
1221 if (ret < 0)
1222 uea_err(INS_TO_USBDEV(sc),
1223 "reading cmv failed with error %d\n", ret);
1224 else {
1225 *data = sc->data;
1226 /* size is in 16-bit word quantities */
1227 if (size > 2)
1228 *(data + 1) = sc->data1;
1229 }
1230 return ret;
1231 }
1232
1233 static inline int uea_write_cmv_e1(struct uea_softc *sc,
1234 u32 address, u16 offset, u32 data)
1235 {
1236 int ret = uea_cmv_e1(sc, E1_MAKEFUNCTION(E1_MEMACCESS, E1_REQUESTWRITE),
1237 address, offset, data);
1238 if (ret < 0)
1239 uea_err(INS_TO_USBDEV(sc),
1240 "writing cmv failed with error %d\n", ret);
1241
1242 return ret;
1243 }
1244
1245 static inline int uea_write_cmv_e4(struct uea_softc *sc,
1246 u8 size, u16 group, u16 address, u16 offset, u32 data)
1247 {
1248 int ret = uea_cmv_e4(sc, E4_MAKEFUNCTION(E4_MEMACCESS, E4_REQUESTWRITE, size),
1249 group, address, offset, data);
1250 if (ret < 0)
1251 uea_err(INS_TO_USBDEV(sc),
1252 "writing cmv failed with error %d\n", ret);
1253
1254 return ret;
1255 }
1256
1257 static void uea_set_bulk_timeout(struct uea_softc *sc, u32 dsrate)
1258 {
1259 int ret;
1260 u16 timeout;
1261
1262 /* in bulk mode the modem have problem with high rate
1263 * changing internal timing could improve things, but the
1264 * value is misterious.
1265 * ADI930 don't support it (-EPIPE error).
1266 */
1267
1268 if (UEA_CHIP_VERSION(sc) == ADI930 ||
1269 altsetting[sc->modem_index] > 0 ||
1270 sc->stats.phy.dsrate == dsrate)
1271 return;
1272
1273 /* Original timming (1Mbit/s) from ADI (used in windows driver) */
1274 timeout = (dsrate <= 1024*1024) ? 0 : 1;
1275 ret = uea_request(sc, UEA_SET_TIMEOUT, timeout, 0, NULL);
1276 uea_info(INS_TO_USBDEV(sc), "setting new timeout %d%s\n",
1277 timeout, ret < 0 ? " failed" : "");
1278
1279 }
1280
1281 /*
1282 * Monitor the modem and update the stat
1283 * return 0 if everything is ok
1284 * return < 0 if an error occurs (-EAGAIN reboot needed)
1285 */
1286 static int uea_stat_e1(struct uea_softc *sc)
1287 {
1288 u32 data;
1289 int ret;
1290
1291 uea_enters(INS_TO_USBDEV(sc));
1292 data = sc->stats.phy.state;
1293
1294 ret = uea_read_cmv_e1(sc, E1_SA_STAT, 0, &sc->stats.phy.state);
1295 if (ret < 0)
1296 return ret;
1297
1298 switch (GET_STATUS(sc->stats.phy.state)) {
1299 case 0: /* not yet synchronized */
1300 uea_dbg(INS_TO_USBDEV(sc),
1301 "modem not yet synchronized\n");
1302 return 0;
1303
1304 case 1: /* initialization */
1305 uea_dbg(INS_TO_USBDEV(sc), "modem initializing\n");
1306 return 0;
1307
1308 case 2: /* operational */
1309 uea_vdbg(INS_TO_USBDEV(sc), "modem operational\n");
1310 break;
1311
1312 case 3: /* fail ... */
1313 uea_info(INS_TO_USBDEV(sc), "modem synchronization failed"
1314 " (may be try other cmv/dsp)\n");
1315 return -EAGAIN;
1316
1317 case 4 ... 6: /* test state */
1318 uea_warn(INS_TO_USBDEV(sc),
1319 "modem in test mode - not supported\n");
1320 return -EAGAIN;
1321
1322 case 7: /* fast-retain ... */
1323 uea_info(INS_TO_USBDEV(sc), "modem in fast-retain mode\n");
1324 return 0;
1325 default:
1326 uea_err(INS_TO_USBDEV(sc), "modem invalid SW mode %d\n",
1327 GET_STATUS(sc->stats.phy.state));
1328 return -EAGAIN;
1329 }
1330
1331 if (GET_STATUS(data) != 2) {
1332 uea_request(sc, UEA_SET_MODE, UEA_LOOPBACK_OFF, 0, NULL);
1333 uea_info(INS_TO_USBDEV(sc), "modem operational\n");
1334
1335 /* release the dsp firmware as it is not needed until
1336 * the next failure
1337 */
1338 if (sc->dsp_firm) {
1339 release_firmware(sc->dsp_firm);
1340 sc->dsp_firm = NULL;
1341 }
1342 }
1343
1344 /* always update it as atm layer could not be init when we switch to
1345 * operational state
1346 */
1347 UPDATE_ATM_STAT(signal, ATM_PHY_SIG_FOUND);
1348
1349 /* wake up processes waiting for synchronization */
1350 wake_up(&sc->sync_q);
1351
1352 ret = uea_read_cmv_e1(sc, E1_SA_DIAG, 2, &sc->stats.phy.flags);
1353 if (ret < 0)
1354 return ret;
1355 sc->stats.phy.mflags |= sc->stats.phy.flags;
1356
1357 /* in case of a flags ( for example delineation LOSS (& 0x10)),
1358 * we check the status again in order to detect the failure earlier
1359 */
1360 if (sc->stats.phy.flags) {
1361 uea_dbg(INS_TO_USBDEV(sc), "Stat flag = 0x%x\n",
1362 sc->stats.phy.flags);
1363 return 0;
1364 }
1365
1366 ret = uea_read_cmv_e1(sc, E1_SA_RATE, 0, &data);
1367 if (ret < 0)
1368 return ret;
1369
1370 uea_set_bulk_timeout(sc, (data >> 16) * 32);
1371 sc->stats.phy.dsrate = (data >> 16) * 32;
1372 sc->stats.phy.usrate = (data & 0xffff) * 32;
1373 UPDATE_ATM_STAT(link_rate, sc->stats.phy.dsrate * 1000 / 424);
1374
1375 ret = uea_read_cmv_e1(sc, E1_SA_DIAG, 23, &data);
1376 if (ret < 0)
1377 return ret;
1378 sc->stats.phy.dsattenuation = (data & 0xff) / 2;
1379
1380 ret = uea_read_cmv_e1(sc, E1_SA_DIAG, 47, &data);
1381 if (ret < 0)
1382 return ret;
1383 sc->stats.phy.usattenuation = (data & 0xff) / 2;
1384
1385 ret = uea_read_cmv_e1(sc, E1_SA_DIAG, 25, &sc->stats.phy.dsmargin);
1386 if (ret < 0)
1387 return ret;
1388
1389 ret = uea_read_cmv_e1(sc, E1_SA_DIAG, 49, &sc->stats.phy.usmargin);
1390 if (ret < 0)
1391 return ret;
1392
1393 ret = uea_read_cmv_e1(sc, E1_SA_DIAG, 51, &sc->stats.phy.rxflow);
1394 if (ret < 0)
1395 return ret;
1396
1397 ret = uea_read_cmv_e1(sc, E1_SA_DIAG, 52, &sc->stats.phy.txflow);
1398 if (ret < 0)
1399 return ret;
1400
1401 ret = uea_read_cmv_e1(sc, E1_SA_DIAG, 54, &sc->stats.phy.dsunc);
1402 if (ret < 0)
1403 return ret;
1404
1405 /* only for atu-c */
1406 ret = uea_read_cmv_e1(sc, E1_SA_DIAG, 58, &sc->stats.phy.usunc);
1407 if (ret < 0)
1408 return ret;
1409
1410 ret = uea_read_cmv_e1(sc, E1_SA_DIAG, 53, &sc->stats.phy.dscorr);
1411 if (ret < 0)
1412 return ret;
1413
1414 /* only for atu-c */
1415 ret = uea_read_cmv_e1(sc, E1_SA_DIAG, 57, &sc->stats.phy.uscorr);
1416 if (ret < 0)
1417 return ret;
1418
1419 ret = uea_read_cmv_e1(sc, E1_SA_INFO, 8, &sc->stats.phy.vidco);
1420 if (ret < 0)
1421 return ret;
1422
1423 ret = uea_read_cmv_e1(sc, E1_SA_INFO, 13, &sc->stats.phy.vidcpe);
1424 if (ret < 0)
1425 return ret;
1426
1427 return 0;
1428 }
1429
1430 static int uea_stat_e4(struct uea_softc *sc)
1431 {
1432 u32 data;
1433 u32 tmp_arr[2];
1434 int ret;
1435
1436 uea_enters(INS_TO_USBDEV(sc));
1437 data = sc->stats.phy.state;
1438
1439 /* XXX only need to be done before operationnal... */
1440 ret = uea_read_cmv_e4(sc, 1, E4_SA_STAT, 0, 0, &sc->stats.phy.state);
1441 if (ret < 0)
1442 return ret;
1443
1444 switch (sc->stats.phy.state) {
1445 case 0x0: /* not yet synchronized */
1446 case 0x1:
1447 case 0x3:
1448 case 0x4:
1449 uea_dbg(INS_TO_USBDEV(sc), "modem not yet synchronized\n");
1450 return 0;
1451 case 0x5: /* initialization */
1452 case 0x6:
1453 case 0x9:
1454 case 0xa:
1455 uea_dbg(INS_TO_USBDEV(sc), "modem initializing\n");
1456 return 0;
1457 case 0x2: /* fail ... */
1458 uea_info(INS_TO_USBDEV(sc), "modem synchronization failed"
1459 " (may be try other cmv/dsp)\n");
1460 return -EAGAIN;
1461 case 0x7: /* operational */
1462 break;
1463 default:
1464 uea_warn(INS_TO_USBDEV(sc), "unknown state: %x\n", sc->stats.phy.state);
1465 return 0;
1466 }
1467
1468 if (data != 7) {
1469 uea_request(sc, UEA_SET_MODE, UEA_LOOPBACK_OFF, 0, NULL);
1470 uea_info(INS_TO_USBDEV(sc), "modem operational\n");
1471
1472 /* release the dsp firmware as it is not needed until
1473 * the next failure
1474 */
1475 if (sc->dsp_firm) {
1476 release_firmware(sc->dsp_firm);
1477 sc->dsp_firm = NULL;
1478 }
1479 }
1480
1481 /* always update it as atm layer could not be init when we switch to
1482 * operational state
1483 */
1484 UPDATE_ATM_STAT(signal, ATM_PHY_SIG_FOUND);
1485
1486 /* wake up processes waiting for synchronization */
1487 wake_up(&sc->sync_q);
1488
1489 /* TODO improve this state machine :
1490 * we need some CMV info : what they do and their unit
1491 * we should find the equivalent of eagle3- CMV
1492 */
1493 /* check flags */
1494 ret = uea_read_cmv_e4(sc, 1, E4_SA_DIAG, 0, 0, &sc->stats.phy.flags);
1495 if (ret < 0)
1496 return ret;
1497 sc->stats.phy.mflags |= sc->stats.phy.flags;
1498
1499 /* in case of a flags ( for example delineation LOSS (& 0x10)),
1500 * we check the status again in order to detect the failure earlier
1501 */
1502 if (sc->stats.phy.flags) {
1503 uea_dbg(INS_TO_USBDEV(sc), "Stat flag = 0x%x\n",
1504 sc->stats.phy.flags);
1505 if (sc->stats.phy.flags & 1) //delineation LOSS
1506 return -EAGAIN;
1507 if (sc->stats.phy.flags & 0x4000) //Reset Flag
1508 return -EAGAIN;
1509 return 0;
1510 }
1511
1512 /* rate data may be in upper or lower half of 64 bit word, strange */
1513 ret = uea_read_cmv_e4(sc, 4, E4_SA_RATE, 0, 0, tmp_arr);
1514 if (ret < 0)
1515 return ret;
1516 data = (tmp_arr[0]) ? tmp_arr[0] : tmp_arr[1];
1517 sc->stats.phy.usrate = data / 1000;
1518
1519 ret = uea_read_cmv_e4(sc, 4, E4_SA_RATE, 1, 0, tmp_arr);
1520 if (ret < 0)
1521 return ret;
1522 data = (tmp_arr[0]) ? tmp_arr[0] : tmp_arr[1];
1523 uea_set_bulk_timeout(sc, data / 1000);
1524 sc->stats.phy.dsrate = data / 1000;
1525 UPDATE_ATM_STAT(link_rate, sc->stats.phy.dsrate * 1000 / 424);
1526
1527 ret = uea_read_cmv_e4(sc, 1, E4_SA_INFO, 68, 1, &data);
1528 if (ret < 0)
1529 return ret;
1530 sc->stats.phy.dsattenuation = data / 10;
1531
1532 ret = uea_read_cmv_e4(sc, 1, E4_SA_INFO, 69, 1, &data);
1533 if (ret < 0)
1534 return ret;
1535 sc->stats.phy.usattenuation = data / 10;
1536
1537 ret = uea_read_cmv_e4(sc, 1, E4_SA_INFO, 68, 3, &data);
1538 if (ret < 0)
1539 return ret;
1540 sc->stats.phy.dsmargin = data / 2;
1541
1542 ret = uea_read_cmv_e4(sc, 1, E4_SA_INFO, 69, 3, &data);
1543 if (ret < 0)
1544 return ret;
1545 sc->stats.phy.usmargin = data / 10;
1546
1547 return 0;
1548 }
1549
1550 static void cmvs_file_name(struct uea_softc *sc, char *const cmv_name, int ver)
1551 {
1552 char file_arr[] = "CMVxy.bin";
1553 char *file;
1554
1555 /* set proper name corresponding modem version and line type */
1556 if (cmv_file[sc->modem_index] == NULL) {
1557 if (UEA_CHIP_VERSION(sc) == ADI930)
1558 file_arr[3] = '9';
1559 else if (UEA_CHIP_VERSION(sc) == EAGLE_IV)
1560 file_arr[3] = '4';
1561 else
1562 file_arr[3] = 'e';
1563
1564 file_arr[4] = IS_ISDN(sc) ? 'i' : 'p';
1565 file = file_arr;
1566 } else
1567 file = cmv_file[sc->modem_index];
1568
1569 strcpy(cmv_name, FW_DIR);
1570 strlcat(cmv_name, file, UEA_FW_NAME_MAX);
1571 if (ver == 2)
1572 strlcat(cmv_name, ".v2", UEA_FW_NAME_MAX);
1573 }
1574
1575 static int request_cmvs_old(struct uea_softc *sc,
1576 void **cmvs, const struct firmware **fw)
1577 {
1578 int ret, size;
1579 u8 *data;
1580 char cmv_name[UEA_FW_NAME_MAX]; /* 30 bytes stack variable */
1581
1582 cmvs_file_name(sc, cmv_name, 1);
1583 ret = request_firmware(fw, cmv_name, &sc->usb_dev->dev);
1584 if (ret < 0) {
1585 uea_err(INS_TO_USBDEV(sc),
1586 "requesting firmware %s failed with error %d\n",
1587 cmv_name, ret);
1588 return ret;
1589 }
1590
1591 data = (u8 *) (*fw)->data;
1592 size = (*fw)->size;
1593 if (size < 1)
1594 goto err_fw_corrupted;
1595
1596 if (size != *data * sizeof(struct uea_cmvs_v1) + 1)
1597 goto err_fw_corrupted;
1598
1599 *cmvs = (void *)(data + 1);
1600 return *data;
1601
1602 err_fw_corrupted:
1603 uea_err(INS_TO_USBDEV(sc), "firmware %s is corrupted\n", cmv_name);
1604 release_firmware(*fw);
1605 return -EILSEQ;
1606 }
1607
1608 static int request_cmvs(struct uea_softc *sc,
1609 void **cmvs, const struct firmware **fw, int *ver)
1610 {
1611 int ret, size;
1612 u32 crc;
1613 u8 *data;
1614 char cmv_name[UEA_FW_NAME_MAX]; /* 30 bytes stack variable */
1615
1616 cmvs_file_name(sc, cmv_name, 2);
1617 ret = request_firmware(fw, cmv_name, &sc->usb_dev->dev);
1618 if (ret < 0) {
1619 /* if caller can handle old version, try to provide it */
1620 if (*ver == 1) {
1621 uea_warn(INS_TO_USBDEV(sc), "requesting firmware %s failed, "
1622 "try to get older cmvs\n", cmv_name);
1623 return request_cmvs_old(sc, cmvs, fw);
1624 }
1625 uea_err(INS_TO_USBDEV(sc),
1626 "requesting firmware %s failed with error %d\n",
1627 cmv_name, ret);
1628 return ret;
1629 }
1630
1631 size = (*fw)->size;
1632 data = (u8 *) (*fw)->data;
1633 if (size < 4 || strncmp(data, "cmv2", 4) != 0) {
1634 if (*ver == 1) {
1635 uea_warn(INS_TO_USBDEV(sc), "firmware %s is corrupted, "
1636 "try to get older cmvs\n", cmv_name);
1637 release_firmware(*fw);
1638 return request_cmvs_old(sc, cmvs, fw);
1639 }
1640 goto err_fw_corrupted;
1641 }
1642
1643 *ver = 2;
1644
1645 data += 4;
1646 size -= 4;
1647 if (size < 5)
1648 goto err_fw_corrupted;
1649
1650 crc = get_unaligned_le32(data);
1651 data += 4;
1652 size -= 4;
1653 if (crc32_be(0, data, size) != crc)
1654 goto err_fw_corrupted;
1655
1656 if (size != *data * sizeof(struct uea_cmvs_v2) + 1)
1657 goto err_fw_corrupted;
1658
1659 *cmvs = (void *) (data + 1);
1660 return *data;
1661
1662 err_fw_corrupted:
1663 uea_err(INS_TO_USBDEV(sc), "firmware %s is corrupted\n", cmv_name);
1664 release_firmware(*fw);
1665 return -EILSEQ;
1666 }
1667
1668 static int uea_send_cmvs_e1(struct uea_softc *sc)
1669 {
1670 int i, ret, len;
1671 void *cmvs_ptr;
1672 const struct firmware *cmvs_fw;
1673 int ver = 1; // we can handle v1 cmv firmware version;
1674
1675 /* Enter in R-IDLE (cmv) until instructed otherwise */
1676 ret = uea_write_cmv_e1(sc, E1_SA_CNTL, 0, 1);
1677 if (ret < 0)
1678 return ret;
1679
1680 /* Dump firmware version */
1681 ret = uea_read_cmv_e1(sc, E1_SA_INFO, 10, &sc->stats.phy.firmid);
1682 if (ret < 0)
1683 return ret;
1684 uea_info(INS_TO_USBDEV(sc), "ATU-R firmware version : %x\n",
1685 sc->stats.phy.firmid);
1686
1687 /* get options */
1688 ret = len = request_cmvs(sc, &cmvs_ptr, &cmvs_fw, &ver);
1689 if (ret < 0)
1690 return ret;
1691
1692 /* send options */
1693 if (ver == 1) {
1694 struct uea_cmvs_v1 *cmvs_v1 = cmvs_ptr;
1695
1696 uea_warn(INS_TO_USBDEV(sc), "use deprecated cmvs version, "
1697 "please update your firmware\n");
1698
1699 for (i = 0; i < len; i++) {
1700 ret = uea_write_cmv_e1(sc, get_unaligned_le32(&cmvs_v1[i].address),
1701 get_unaligned_le16(&cmvs_v1[i].offset),
1702 get_unaligned_le32(&cmvs_v1[i].data));
1703 if (ret < 0)
1704 goto out;
1705 }
1706 } else if (ver == 2) {
1707 struct uea_cmvs_v2 *cmvs_v2 = cmvs_ptr;
1708
1709 for (i = 0; i < len; i++) {
1710 ret = uea_write_cmv_e1(sc, get_unaligned_le32(&cmvs_v2[i].address),
1711 (u16) get_unaligned_le32(&cmvs_v2[i].offset),
1712 get_unaligned_le32(&cmvs_v2[i].data));
1713 if (ret < 0)
1714 goto out;
1715 }
1716 } else {
1717 /* This realy should not happen */
1718 uea_err(INS_TO_USBDEV(sc), "bad cmvs version %d\n", ver);
1719 goto out;
1720 }
1721
1722 /* Enter in R-ACT-REQ */
1723 ret = uea_write_cmv_e1(sc, E1_SA_CNTL, 0, 2);
1724 uea_vdbg(INS_TO_USBDEV(sc), "Entering in R-ACT-REQ state\n");
1725 uea_info(INS_TO_USBDEV(sc), "modem started, waiting synchronization...\n");
1726 out:
1727 release_firmware(cmvs_fw);
1728 return ret;
1729 }
1730
1731 static int uea_send_cmvs_e4(struct uea_softc *sc)
1732 {
1733 int i, ret, len;
1734 void *cmvs_ptr;
1735 const struct firmware *cmvs_fw;
1736 int ver = 2; // we can only handle v2 cmv firmware version;
1737
1738 /* Enter in R-IDLE (cmv) until instructed otherwise */
1739 ret = uea_write_cmv_e4(sc, 1, E4_SA_CNTL, 0, 0, 1);
1740 if (ret < 0)
1741 return ret;
1742
1743 /* Dump firmware version */
1744 /* XXX don't read the 3th byte as it is always 6 */
1745 ret = uea_read_cmv_e4(sc, 2, E4_SA_INFO, 55, 0, &sc->stats.phy.firmid);
1746 if (ret < 0)
1747 return ret;
1748 uea_info(INS_TO_USBDEV(sc), "ATU-R firmware version : %x\n",
1749 sc->stats.phy.firmid);
1750
1751
1752 /* get options */
1753 ret = len = request_cmvs(sc, &cmvs_ptr, &cmvs_fw, &ver);
1754 if (ret < 0)
1755 return ret;
1756
1757 /* send options */
1758 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_e4(sc, 1,
1763 get_unaligned_le32(&cmvs_v2[i].group),
1764 get_unaligned_le32(&cmvs_v2[i].address),
1765 get_unaligned_le32(&cmvs_v2[i].offset),
1766 get_unaligned_le32(&cmvs_v2[i].data));
1767 if (ret < 0)
1768 goto out;
1769 }
1770 } else {
1771 /* This realy should not happen */
1772 uea_err(INS_TO_USBDEV(sc), "bad cmvs version %d\n", ver);
1773 goto out;
1774 }
1775
1776 /* Enter in R-ACT-REQ */
1777 ret = uea_write_cmv_e4(sc, 1, E4_SA_CNTL, 0, 0, 2);
1778 uea_vdbg(INS_TO_USBDEV(sc), "Entering in R-ACT-REQ state\n");
1779 uea_info(INS_TO_USBDEV(sc), "modem started, waiting synchronization...\n");
1780 out:
1781 release_firmware(cmvs_fw);
1782 return ret;
1783 }
1784
1785 /* Start boot post firmware modem:
1786 * - send reset commands through usb control pipe
1787 * - start workqueue for DSP loading
1788 * - send CMV options to modem
1789 */
1790
1791 static int uea_start_reset(struct uea_softc *sc)
1792 {
1793 u16 zero = 0; /* ;-) */
1794 int ret;
1795
1796 uea_enters(INS_TO_USBDEV(sc));
1797 uea_info(INS_TO_USBDEV(sc), "(re)booting started\n");
1798
1799 /* mask interrupt */
1800 sc->booting = 1;
1801 /* We need to set this here because, a ack timeout could have occured,
1802 * but before we start the reboot, the ack occurs and set this to 1.
1803 * So we will failed to wait Ready CMV.
1804 */
1805 sc->cmv_ack = 0;
1806 UPDATE_ATM_STAT(signal, ATM_PHY_SIG_LOST);
1807
1808 /* reset statistics */
1809 memset(&sc->stats, 0, sizeof(struct uea_stats));
1810
1811 /* tell the modem that we want to boot in IDMA mode */
1812 uea_request(sc, UEA_SET_MODE, UEA_LOOPBACK_ON, 0, NULL);
1813 uea_request(sc, UEA_SET_MODE, UEA_BOOT_IDMA, 0, NULL);
1814
1815 /* enter reset mode */
1816 uea_request(sc, UEA_SET_MODE, UEA_START_RESET, 0, NULL);
1817
1818 /* original driver use 200ms, but windows driver use 100ms */
1819 ret = uea_wait(sc, 0, msecs_to_jiffies(100));
1820 if (ret < 0)
1821 return ret;
1822
1823 /* leave reset mode */
1824 uea_request(sc, UEA_SET_MODE, UEA_END_RESET, 0, NULL);
1825
1826 if (UEA_CHIP_VERSION(sc) != EAGLE_IV) {
1827 /* clear tx and rx mailboxes */
1828 uea_request(sc, UEA_SET_2183_DATA, UEA_MPTX_MAILBOX, 2, &zero);
1829 uea_request(sc, UEA_SET_2183_DATA, UEA_MPRX_MAILBOX, 2, &zero);
1830 uea_request(sc, UEA_SET_2183_DATA, UEA_SWAP_MAILBOX, 2, &zero);
1831 }
1832
1833 ret = uea_wait(sc, 0, msecs_to_jiffies(1000));
1834 if (ret < 0)
1835 return ret;
1836
1837 if (UEA_CHIP_VERSION(sc) == EAGLE_IV)
1838 sc->cmv_dsc.e4.function = E4_MAKEFUNCTION(E4_ADSLDIRECTIVE, E4_MODEMREADY, 1);
1839 else
1840 sc->cmv_dsc.e1.function = E1_MAKEFUNCTION(E1_ADSLDIRECTIVE, E1_MODEMREADY);
1841
1842 /* demask interrupt */
1843 sc->booting = 0;
1844
1845 /* start loading DSP */
1846 sc->pageno = 0;
1847 sc->ovl = 0;
1848 queue_work(sc->work_q, &sc->task);
1849
1850 /* wait for modem ready CMV */
1851 ret = wait_cmv_ack(sc);
1852 if (ret < 0)
1853 return ret;
1854
1855 uea_vdbg(INS_TO_USBDEV(sc), "Ready CMV received\n");
1856
1857 ret = sc->send_cmvs(sc);
1858 if (ret < 0)
1859 return ret;
1860
1861 sc->reset = 0;
1862 uea_leaves(INS_TO_USBDEV(sc));
1863 return ret;
1864 }
1865
1866 /*
1867 * In case of an error wait 1s before rebooting the modem
1868 * if the modem don't request reboot (-EAGAIN).
1869 * Monitor the modem every 1s.
1870 */
1871
1872 static int uea_kthread(void *data)
1873 {
1874 struct uea_softc *sc = data;
1875 int ret = -EAGAIN;
1876
1877 set_freezable();
1878 uea_enters(INS_TO_USBDEV(sc));
1879 while (!kthread_should_stop()) {
1880 if (ret < 0 || sc->reset)
1881 ret = uea_start_reset(sc);
1882 if (!ret)
1883 ret = sc->stat(sc);
1884 if (ret != -EAGAIN)
1885 uea_wait(sc, 0, msecs_to_jiffies(1000));
1886 try_to_freeze();
1887 }
1888 uea_leaves(INS_TO_USBDEV(sc));
1889 return ret;
1890 }
1891
1892 /* Load second usb firmware for ADI930 chip */
1893 static int load_XILINX_firmware(struct uea_softc *sc)
1894 {
1895 const struct firmware *fw_entry;
1896 int ret, size, u, ln;
1897 const u8 *pfw;
1898 u8 value;
1899 char *fw_name = FW_DIR "930-fpga.bin";
1900
1901 uea_enters(INS_TO_USBDEV(sc));
1902
1903 ret = request_firmware(&fw_entry, fw_name, &sc->usb_dev->dev);
1904 if (ret) {
1905 uea_err(INS_TO_USBDEV(sc), "firmware %s is not available\n",
1906 fw_name);
1907 goto err0;
1908 }
1909
1910 pfw = fw_entry->data;
1911 size = fw_entry->size;
1912 if (size != 0x577B) {
1913 uea_err(INS_TO_USBDEV(sc), "firmware %s is corrupted\n",
1914 fw_name);
1915 ret = -EILSEQ;
1916 goto err1;
1917 }
1918 for (u = 0; u < size; u += ln) {
1919 ln = min(size - u, 64);
1920 ret = uea_request(sc, 0xe, 0, ln, pfw + u);
1921 if (ret < 0) {
1922 uea_err(INS_TO_USBDEV(sc),
1923 "elsa download data failed (%d)\n", ret);
1924 goto err1;
1925 }
1926 }
1927
1928 /* finish to send the fpga */
1929 ret = uea_request(sc, 0xe, 1, 0, NULL);
1930 if (ret < 0) {
1931 uea_err(INS_TO_USBDEV(sc),
1932 "elsa download data failed (%d)\n", ret);
1933 goto err1;
1934 }
1935
1936 /* Tell the modem we finish : de-assert reset */
1937 value = 0;
1938 ret = uea_send_modem_cmd(sc->usb_dev, 0xe, 1, &value);
1939 if (ret < 0)
1940 uea_err(sc->usb_dev, "elsa de-assert failed with error %d\n", ret);
1941
1942 err1:
1943 release_firmware(fw_entry);
1944 err0:
1945 uea_leaves(INS_TO_USBDEV(sc));
1946 return ret;
1947 }
1948
1949 /* The modem send us an ack. First with check if it right */
1950 static void uea_dispatch_cmv_e1(struct uea_softc *sc, struct intr_pkt *intr)
1951 {
1952 struct cmv_dsc_e1 *dsc = &sc->cmv_dsc.e1;
1953 struct cmv_e1 *cmv = &intr->u.e1.s2.cmv;
1954
1955 uea_enters(INS_TO_USBDEV(sc));
1956 if (le16_to_cpu(cmv->wPreamble) != E1_PREAMBLE)
1957 goto bad1;
1958
1959 if (cmv->bDirection != E1_MODEMTOHOST)
1960 goto bad1;
1961
1962 /* FIXME : ADI930 reply wrong preambule (func = 2, sub = 2) to
1963 * the first MEMACCESS cmv. Ignore it...
1964 */
1965 if (cmv->bFunction != dsc->function) {
1966 if (UEA_CHIP_VERSION(sc) == ADI930
1967 && cmv->bFunction == E1_MAKEFUNCTION(2, 2)) {
1968 cmv->wIndex = cpu_to_le16(dsc->idx);
1969 put_unaligned_le32(dsc->address, &cmv->dwSymbolicAddress);
1970 cmv->wOffsetAddress = cpu_to_le16(dsc->offset);
1971 } else
1972 goto bad2;
1973 }
1974
1975 if (cmv->bFunction == E1_MAKEFUNCTION(E1_ADSLDIRECTIVE, E1_MODEMREADY)) {
1976 wake_up_cmv_ack(sc);
1977 uea_leaves(INS_TO_USBDEV(sc));
1978 return;
1979 }
1980
1981 /* in case of MEMACCESS */
1982 if (le16_to_cpu(cmv->wIndex) != dsc->idx ||
1983 get_unaligned_le32(&cmv->dwSymbolicAddress) != dsc->address ||
1984 le16_to_cpu(cmv->wOffsetAddress) != dsc->offset)
1985 goto bad2;
1986
1987 sc->data = get_unaligned_le32(&cmv->dwData);
1988 sc->data = sc->data << 16 | sc->data >> 16;
1989
1990 wake_up_cmv_ack(sc);
1991 uea_leaves(INS_TO_USBDEV(sc));
1992 return;
1993
1994 bad2:
1995 uea_err(INS_TO_USBDEV(sc), "unexpected cmv received, "
1996 "Function : %d, Subfunction : %d\n",
1997 E1_FUNCTION_TYPE(cmv->bFunction),
1998 E1_FUNCTION_SUBTYPE(cmv->bFunction));
1999 uea_leaves(INS_TO_USBDEV(sc));
2000 return;
2001
2002 bad1:
2003 uea_err(INS_TO_USBDEV(sc), "invalid cmv received, "
2004 "wPreamble %d, bDirection %d\n",
2005 le16_to_cpu(cmv->wPreamble), cmv->bDirection);
2006 uea_leaves(INS_TO_USBDEV(sc));
2007 }
2008
2009 /* The modem send us an ack. First with check if it right */
2010 static void uea_dispatch_cmv_e4(struct uea_softc *sc, struct intr_pkt *intr)
2011 {
2012 struct cmv_dsc_e4 *dsc = &sc->cmv_dsc.e4;
2013 struct cmv_e4 *cmv = &intr->u.e4.s2.cmv;
2014
2015 uea_enters(INS_TO_USBDEV(sc));
2016 uea_dbg(INS_TO_USBDEV(sc), "cmv %x %x %x %x %x %x\n",
2017 be16_to_cpu(cmv->wGroup), be16_to_cpu(cmv->wFunction),
2018 be16_to_cpu(cmv->wOffset), be16_to_cpu(cmv->wAddress),
2019 be32_to_cpu(cmv->dwData[0]), be32_to_cpu(cmv->dwData[1]));
2020
2021 if (be16_to_cpu(cmv->wFunction) != dsc->function)
2022 goto bad2;
2023
2024 if (be16_to_cpu(cmv->wFunction) == E4_MAKEFUNCTION(E4_ADSLDIRECTIVE, E4_MODEMREADY, 1)) {
2025 wake_up_cmv_ack(sc);
2026 uea_leaves(INS_TO_USBDEV(sc));
2027 return;
2028 }
2029
2030 /* in case of MEMACCESS */
2031 if (be16_to_cpu(cmv->wOffset) != dsc->offset ||
2032 be16_to_cpu(cmv->wGroup) != dsc->group ||
2033 be16_to_cpu(cmv->wAddress) != dsc->address)
2034 goto bad2;
2035
2036 sc->data = be32_to_cpu(cmv->dwData[0]);
2037 sc->data1 = be32_to_cpu(cmv->dwData[1]);
2038 wake_up_cmv_ack(sc);
2039 uea_leaves(INS_TO_USBDEV(sc));
2040 return;
2041
2042 bad2:
2043 uea_err(INS_TO_USBDEV(sc), "unexpected cmv received, "
2044 "Function : %d, Subfunction : %d\n",
2045 E4_FUNCTION_TYPE(cmv->wFunction),
2046 E4_FUNCTION_SUBTYPE(cmv->wFunction));
2047 uea_leaves(INS_TO_USBDEV(sc));
2048 return;
2049 }
2050
2051 static void uea_schedule_load_page_e1(struct uea_softc *sc, struct intr_pkt *intr)
2052 {
2053 sc->pageno = intr->e1_bSwapPageNo;
2054 sc->ovl = intr->e1_bOvl >> 4 | intr->e1_bOvl << 4;
2055 queue_work(sc->work_q, &sc->task);
2056 }
2057
2058 static void uea_schedule_load_page_e4(struct uea_softc *sc, struct intr_pkt *intr)
2059 {
2060 sc->pageno = intr->e4_bSwapPageNo;
2061 queue_work(sc->work_q, &sc->task);
2062 }
2063
2064 /*
2065 * interrupt handler
2066 */
2067 static void uea_intr(struct urb *urb)
2068 {
2069 struct uea_softc *sc = urb->context;
2070 struct intr_pkt *intr = urb->transfer_buffer;
2071 int status = urb->status;
2072
2073 uea_enters(INS_TO_USBDEV(sc));
2074
2075 if (unlikely(status < 0)) {
2076 uea_err(INS_TO_USBDEV(sc), "uea_intr() failed with %d\n",
2077 status);
2078 return;
2079 }
2080
2081 /* device-to-host interrupt */
2082 if (intr->bType != 0x08 || sc->booting) {
2083 uea_err(INS_TO_USBDEV(sc), "wrong interrupt\n");
2084 goto resubmit;
2085 }
2086
2087 switch (le16_to_cpu(intr->wInterrupt)) {
2088 case INT_LOADSWAPPAGE:
2089 sc->schedule_load_page(sc, intr);
2090 break;
2091
2092 case INT_INCOMINGCMV:
2093 sc->dispatch_cmv(sc, intr);
2094 break;
2095
2096 default:
2097 uea_err(INS_TO_USBDEV(sc), "unknown interrupt %u\n",
2098 le16_to_cpu(intr->wInterrupt));
2099 }
2100
2101 resubmit:
2102 usb_submit_urb(sc->urb_int, GFP_ATOMIC);
2103 }
2104
2105 /*
2106 * Start the modem : init the data and start kernel thread
2107 */
2108 static int uea_boot(struct uea_softc *sc)
2109 {
2110 int ret, size;
2111 struct intr_pkt *intr;
2112
2113 uea_enters(INS_TO_USBDEV(sc));
2114
2115 if (UEA_CHIP_VERSION(sc) == EAGLE_IV) {
2116 size = E4_INTR_PKT_SIZE;
2117 sc->dispatch_cmv = uea_dispatch_cmv_e4;
2118 sc->schedule_load_page = uea_schedule_load_page_e4;
2119 sc->stat = uea_stat_e4;
2120 sc->send_cmvs = uea_send_cmvs_e4;
2121 INIT_WORK(&sc->task, uea_load_page_e4);
2122 } else {
2123 size = E1_INTR_PKT_SIZE;
2124 sc->dispatch_cmv = uea_dispatch_cmv_e1;
2125 sc->schedule_load_page = uea_schedule_load_page_e1;
2126 sc->stat = uea_stat_e1;
2127 sc->send_cmvs = uea_send_cmvs_e1;
2128 INIT_WORK(&sc->task, uea_load_page_e1);
2129 }
2130
2131 init_waitqueue_head(&sc->sync_q);
2132
2133 sc->work_q = create_workqueue("ueagle-dsp");
2134 if (!sc->work_q) {
2135 uea_err(INS_TO_USBDEV(sc), "cannot allocate workqueue\n");
2136 uea_leaves(INS_TO_USBDEV(sc));
2137 return -ENOMEM;
2138 }
2139
2140 if (UEA_CHIP_VERSION(sc) == ADI930)
2141 load_XILINX_firmware(sc);
2142
2143 intr = kmalloc(size, GFP_KERNEL);
2144 if (!intr) {
2145 uea_err(INS_TO_USBDEV(sc),
2146 "cannot allocate interrupt package\n");
2147 goto err0;
2148 }
2149
2150 sc->urb_int = usb_alloc_urb(0, GFP_KERNEL);
2151 if (!sc->urb_int) {
2152 uea_err(INS_TO_USBDEV(sc), "cannot allocate interrupt URB\n");
2153 goto err1;
2154 }
2155
2156 usb_fill_int_urb(sc->urb_int, sc->usb_dev,
2157 usb_rcvintpipe(sc->usb_dev, UEA_INTR_PIPE),
2158 intr, size, uea_intr, sc,
2159 sc->usb_dev->actconfig->interface[0]->altsetting[0].
2160 endpoint[0].desc.bInterval);
2161
2162 ret = usb_submit_urb(sc->urb_int, GFP_KERNEL);
2163 if (ret < 0) {
2164 uea_err(INS_TO_USBDEV(sc),
2165 "urb submition failed with error %d\n", ret);
2166 goto err1;
2167 }
2168
2169 sc->kthread = kthread_run(uea_kthread, sc, "ueagle-atm");
2170 if (sc->kthread == ERR_PTR(-ENOMEM)) {
2171 uea_err(INS_TO_USBDEV(sc), "failed to create thread\n");
2172 goto err2;
2173 }
2174
2175 uea_leaves(INS_TO_USBDEV(sc));
2176 return 0;
2177
2178 err2:
2179 usb_kill_urb(sc->urb_int);
2180 err1:
2181 usb_free_urb(sc->urb_int);
2182 sc->urb_int = NULL;
2183 kfree(intr);
2184 err0:
2185 destroy_workqueue(sc->work_q);
2186 uea_leaves(INS_TO_USBDEV(sc));
2187 return -ENOMEM;
2188 }
2189
2190 /*
2191 * Stop the modem : kill kernel thread and free data
2192 */
2193 static void uea_stop(struct uea_softc *sc)
2194 {
2195 int ret;
2196 uea_enters(INS_TO_USBDEV(sc));
2197 ret = kthread_stop(sc->kthread);
2198 uea_dbg(INS_TO_USBDEV(sc), "kthread finish with status %d\n", ret);
2199
2200 uea_request(sc, UEA_SET_MODE, UEA_LOOPBACK_ON, 0, NULL);
2201
2202 usb_kill_urb(sc->urb_int);
2203 kfree(sc->urb_int->transfer_buffer);
2204 usb_free_urb(sc->urb_int);
2205
2206 /* stop any pending boot process, when no one can schedule work */
2207 destroy_workqueue(sc->work_q);
2208
2209 if (sc->dsp_firm)
2210 release_firmware(sc->dsp_firm);
2211 uea_leaves(INS_TO_USBDEV(sc));
2212 }
2213
2214 /* syfs interface */
2215 static struct uea_softc *dev_to_uea(struct device *dev)
2216 {
2217 struct usb_interface *intf;
2218 struct usbatm_data *usbatm;
2219
2220 intf = to_usb_interface(dev);
2221 if (!intf)
2222 return NULL;
2223
2224 usbatm = usb_get_intfdata(intf);
2225 if (!usbatm)
2226 return NULL;
2227
2228 return usbatm->driver_data;
2229 }
2230
2231 static ssize_t read_status(struct device *dev, struct device_attribute *attr,
2232 char *buf)
2233 {
2234 int ret = -ENODEV;
2235 struct uea_softc *sc;
2236
2237 mutex_lock(&uea_mutex);
2238 sc = dev_to_uea(dev);
2239 if (!sc)
2240 goto out;
2241 ret = snprintf(buf, 10, "%08x\n", sc->stats.phy.state);
2242 out:
2243 mutex_unlock(&uea_mutex);
2244 return ret;
2245 }
2246
2247 static ssize_t reboot(struct device *dev, struct device_attribute *attr,
2248 const char *buf, size_t count)
2249 {
2250 int ret = -ENODEV;
2251 struct uea_softc *sc;
2252
2253 mutex_lock(&uea_mutex);
2254 sc = dev_to_uea(dev);
2255 if (!sc)
2256 goto out;
2257 sc->reset = 1;
2258 ret = count;
2259 out:
2260 mutex_unlock(&uea_mutex);
2261 return ret;
2262 }
2263
2264 static DEVICE_ATTR(stat_status, S_IWUGO | S_IRUGO, read_status, reboot);
2265
2266 static ssize_t read_human_status(struct device *dev, struct device_attribute *attr,
2267 char *buf)
2268 {
2269 int ret = -ENODEV;
2270 int modem_state;
2271 struct uea_softc *sc;
2272
2273 mutex_lock(&uea_mutex);
2274 sc = dev_to_uea(dev);
2275 if (!sc)
2276 goto out;
2277
2278 if (UEA_CHIP_VERSION(sc) == EAGLE_IV) {
2279 switch (sc->stats.phy.state) {
2280 case 0x0: /* not yet synchronized */
2281 case 0x1:
2282 case 0x3:
2283 case 0x4:
2284 modem_state = 0;
2285 break;
2286 case 0x5: /* initialization */
2287 case 0x6:
2288 case 0x9:
2289 case 0xa:
2290 modem_state = 1;
2291 break;
2292 case 0x7: /* operational */
2293 modem_state = 2;
2294 break;
2295 case 0x2: /* fail ... */
2296 modem_state = 3;
2297 break;
2298 default: /* unknown */
2299 modem_state = 4;
2300 break;
2301 }
2302 } else
2303 modem_state = GET_STATUS(sc->stats.phy.state);
2304
2305 switch (modem_state) {
2306 case 0:
2307 ret = sprintf(buf, "Modem is booting\n");
2308 break;
2309 case 1:
2310 ret = sprintf(buf, "Modem is initializing\n");
2311 break;
2312 case 2:
2313 ret = sprintf(buf, "Modem is operational\n");
2314 break;
2315 case 3:
2316 ret = sprintf(buf, "Modem synchronization failed\n");
2317 break;
2318 default:
2319 ret = sprintf(buf, "Modem state is unknown\n");
2320 break;
2321 }
2322 out:
2323 mutex_unlock(&uea_mutex);
2324 return ret;
2325 }
2326
2327 static DEVICE_ATTR(stat_human_status, S_IWUGO | S_IRUGO, read_human_status, NULL);
2328
2329 static ssize_t read_delin(struct device *dev, struct device_attribute *attr,
2330 char *buf)
2331 {
2332 int ret = -ENODEV;
2333 struct uea_softc *sc;
2334 char *delin = "GOOD";
2335
2336 mutex_lock(&uea_mutex);
2337 sc = dev_to_uea(dev);
2338 if (!sc)
2339 goto out;
2340
2341 if (UEA_CHIP_VERSION(sc) == EAGLE_IV) {
2342 if (sc->stats.phy.flags & 0x4000)
2343 delin = "RESET";
2344 else if (sc->stats.phy.flags & 0x0001)
2345 delin = "LOSS";
2346 } else {
2347 if (sc->stats.phy.flags & 0x0C00)
2348 delin = "ERROR";
2349 else if (sc->stats.phy.flags & 0x0030)
2350 delin = "LOSS";
2351 }
2352
2353 ret = sprintf(buf, "%s\n", delin);
2354 out:
2355 mutex_unlock(&uea_mutex);
2356 return ret;
2357 }
2358
2359 static DEVICE_ATTR(stat_delin, S_IWUGO | S_IRUGO, read_delin, NULL);
2360
2361 #define UEA_ATTR(name, reset) \
2362 \
2363 static ssize_t read_##name(struct device *dev, \
2364 struct device_attribute *attr, char *buf) \
2365 { \
2366 int ret = -ENODEV; \
2367 struct uea_softc *sc; \
2368 \
2369 mutex_lock(&uea_mutex); \
2370 sc = dev_to_uea(dev); \
2371 if (!sc) \
2372 goto out; \
2373 ret = snprintf(buf, 10, "%08x\n", sc->stats.phy.name); \
2374 if (reset) \
2375 sc->stats.phy.name = 0; \
2376 out: \
2377 mutex_unlock(&uea_mutex); \
2378 return ret; \
2379 } \
2380 \
2381 static DEVICE_ATTR(stat_##name, S_IRUGO, read_##name, NULL)
2382
2383 UEA_ATTR(mflags, 1);
2384 UEA_ATTR(vidcpe, 0);
2385 UEA_ATTR(usrate, 0);
2386 UEA_ATTR(dsrate, 0);
2387 UEA_ATTR(usattenuation, 0);
2388 UEA_ATTR(dsattenuation, 0);
2389 UEA_ATTR(usmargin, 0);
2390 UEA_ATTR(dsmargin, 0);
2391 UEA_ATTR(txflow, 0);
2392 UEA_ATTR(rxflow, 0);
2393 UEA_ATTR(uscorr, 0);
2394 UEA_ATTR(dscorr, 0);
2395 UEA_ATTR(usunc, 0);
2396 UEA_ATTR(dsunc, 0);
2397 UEA_ATTR(firmid, 0);
2398
2399 /* Retrieve the device End System Identifier (MAC) */
2400
2401 #define htoi(x) (isdigit(x) ? x-'0' : toupper(x)-'A'+10)
2402 static int uea_getesi(struct uea_softc *sc, u_char * esi)
2403 {
2404 unsigned char mac_str[2 * ETH_ALEN + 1];
2405 int i;
2406 if (usb_string
2407 (sc->usb_dev, sc->usb_dev->descriptor.iSerialNumber, mac_str,
2408 sizeof(mac_str)) != 2 * ETH_ALEN)
2409 return 1;
2410
2411 for (i = 0; i < ETH_ALEN; i++)
2412 esi[i] = htoi(mac_str[2 * i]) * 16 + htoi(mac_str[2 * i + 1]);
2413
2414 return 0;
2415 }
2416
2417 /* ATM stuff */
2418 static int uea_atm_open(struct usbatm_data *usbatm, struct atm_dev *atm_dev)
2419 {
2420 struct uea_softc *sc = usbatm->driver_data;
2421
2422 return uea_getesi(sc, atm_dev->esi);
2423 }
2424
2425 static int uea_heavy(struct usbatm_data *usbatm, struct usb_interface *intf)
2426 {
2427 struct uea_softc *sc = usbatm->driver_data;
2428
2429 wait_event_interruptible(sc->sync_q, IS_OPERATIONAL(sc));
2430
2431 return 0;
2432
2433 }
2434
2435 static int claim_interface(struct usb_device *usb_dev,
2436 struct usbatm_data *usbatm, int ifnum)
2437 {
2438 int ret;
2439 struct usb_interface *intf = usb_ifnum_to_if(usb_dev, ifnum);
2440
2441 if (!intf) {
2442 uea_err(usb_dev, "interface %d not found\n", ifnum);
2443 return -ENODEV;
2444 }
2445
2446 ret = usb_driver_claim_interface(&uea_driver, intf, usbatm);
2447 if (ret != 0)
2448 uea_err(usb_dev, "can't claim interface %d, error %d\n", ifnum,
2449 ret);
2450 return ret;
2451 }
2452
2453 static struct attribute *attrs[] = {
2454 &dev_attr_stat_status.attr,
2455 &dev_attr_stat_mflags.attr,
2456 &dev_attr_stat_human_status.attr,
2457 &dev_attr_stat_delin.attr,
2458 &dev_attr_stat_vidcpe.attr,
2459 &dev_attr_stat_usrate.attr,
2460 &dev_attr_stat_dsrate.attr,
2461 &dev_attr_stat_usattenuation.attr,
2462 &dev_attr_stat_dsattenuation.attr,
2463 &dev_attr_stat_usmargin.attr,
2464 &dev_attr_stat_dsmargin.attr,
2465 &dev_attr_stat_txflow.attr,
2466 &dev_attr_stat_rxflow.attr,
2467 &dev_attr_stat_uscorr.attr,
2468 &dev_attr_stat_dscorr.attr,
2469 &dev_attr_stat_usunc.attr,
2470 &dev_attr_stat_dsunc.attr,
2471 &dev_attr_stat_firmid.attr,
2472 NULL,
2473 };
2474 static struct attribute_group attr_grp = {
2475 .attrs = attrs,
2476 };
2477
2478 static int uea_bind(struct usbatm_data *usbatm, struct usb_interface *intf,
2479 const struct usb_device_id *id)
2480 {
2481 struct usb_device *usb = interface_to_usbdev(intf);
2482 struct uea_softc *sc;
2483 int ret, ifnum = intf->altsetting->desc.bInterfaceNumber;
2484 unsigned int alt;
2485
2486 uea_enters(usb);
2487
2488 /* interface 0 is for firmware/monitoring */
2489 if (ifnum != UEA_INTR_IFACE_NO)
2490 return -ENODEV;
2491
2492 usbatm->flags = (sync_wait[modem_index] ? 0 : UDSL_SKIP_HEAVY_INIT);
2493
2494 /* interface 1 is for outbound traffic */
2495 ret = claim_interface(usb, usbatm, UEA_US_IFACE_NO);
2496 if (ret < 0)
2497 return ret;
2498
2499 /* ADI930 has only 2 interfaces and inbound traffic is on interface 1 */
2500 if (UEA_CHIP_VERSION(id) != ADI930) {
2501 /* interface 2 is for inbound traffic */
2502 ret = claim_interface(usb, usbatm, UEA_DS_IFACE_NO);
2503 if (ret < 0)
2504 return ret;
2505 }
2506
2507 sc = kzalloc(sizeof(struct uea_softc), GFP_KERNEL);
2508 if (!sc) {
2509 uea_err(usb, "uea_init: not enough memory !\n");
2510 return -ENOMEM;
2511 }
2512
2513 sc->usb_dev = usb;
2514 usbatm->driver_data = sc;
2515 sc->usbatm = usbatm;
2516 sc->modem_index = (modem_index < NB_MODEM) ? modem_index++ : 0;
2517 sc->driver_info = id->driver_info;
2518
2519 /* first try to use module parameter */
2520 if (annex[sc->modem_index] == 1)
2521 sc->annex = ANNEXA;
2522 else if (annex[sc->modem_index] == 2)
2523 sc->annex = ANNEXB;
2524 /* try to autodetect annex */
2525 else if (sc->driver_info & AUTO_ANNEX_A)
2526 sc->annex = ANNEXA;
2527 else if (sc->driver_info & AUTO_ANNEX_B)
2528 sc->annex = ANNEXB;
2529 else
2530 sc->annex = (le16_to_cpu(sc->usb_dev->descriptor.bcdDevice) & 0x80)?ANNEXB:ANNEXA;
2531
2532 alt = altsetting[sc->modem_index];
2533 /* ADI930 don't support iso */
2534 if (UEA_CHIP_VERSION(id) != ADI930 && alt > 0) {
2535 if (alt <= 8 && usb_set_interface(usb, UEA_DS_IFACE_NO, alt) == 0) {
2536 uea_dbg(usb, "set alternate %u for 2 interface\n", alt);
2537 uea_info(usb, "using iso mode\n");
2538 usbatm->flags |= UDSL_USE_ISOC | UDSL_IGNORE_EILSEQ;
2539 } else {
2540 uea_err(usb, "setting alternate %u failed for "
2541 "2 interface, using bulk mode\n", alt);
2542 }
2543 }
2544
2545 ret = sysfs_create_group(&intf->dev.kobj, &attr_grp);
2546 if (ret < 0)
2547 goto error;
2548
2549 ret = uea_boot(sc);
2550 if (ret < 0)
2551 goto error_rm_grp;
2552
2553 return 0;
2554
2555 error_rm_grp:
2556 sysfs_remove_group(&intf->dev.kobj, &attr_grp);
2557 error:
2558 kfree(sc);
2559 return ret;
2560 }
2561
2562 static void uea_unbind(struct usbatm_data *usbatm, struct usb_interface *intf)
2563 {
2564 struct uea_softc *sc = usbatm->driver_data;
2565
2566 sysfs_remove_group(&intf->dev.kobj, &attr_grp);
2567 uea_stop(sc);
2568 kfree(sc);
2569 }
2570
2571 static struct usbatm_driver uea_usbatm_driver = {
2572 .driver_name = "ueagle-atm",
2573 .bind = uea_bind,
2574 .atm_start = uea_atm_open,
2575 .unbind = uea_unbind,
2576 .heavy_init = uea_heavy,
2577 .bulk_in = UEA_BULK_DATA_PIPE,
2578 .bulk_out = UEA_BULK_DATA_PIPE,
2579 .isoc_in = UEA_ISO_DATA_PIPE,
2580 };
2581
2582 static int uea_probe(struct usb_interface *intf, const struct usb_device_id *id)
2583 {
2584 struct usb_device *usb = interface_to_usbdev(intf);
2585
2586 uea_enters(usb);
2587 uea_info(usb, "ADSL device founded vid (%#X) pid (%#X) Rev (%#X): %s\n",
2588 le16_to_cpu(usb->descriptor.idVendor),
2589 le16_to_cpu(usb->descriptor.idProduct),
2590 le16_to_cpu(usb->descriptor.bcdDevice),
2591 chip_name[UEA_CHIP_VERSION(id)]);
2592
2593 usb_reset_device(usb);
2594
2595 if (UEA_IS_PREFIRM(id))
2596 return uea_load_firmware(usb, UEA_CHIP_VERSION(id));
2597
2598 return usbatm_usb_probe(intf, id, &uea_usbatm_driver);
2599 }
2600
2601 static void uea_disconnect(struct usb_interface *intf)
2602 {
2603 struct usb_device *usb = interface_to_usbdev(intf);
2604 int ifnum = intf->altsetting->desc.bInterfaceNumber;
2605 uea_enters(usb);
2606
2607 /* ADI930 has 2 interfaces and eagle 3 interfaces.
2608 * Pre-firmware device has one interface
2609 */
2610 if (usb->config->desc.bNumInterfaces != 1 && ifnum == 0) {
2611 mutex_lock(&uea_mutex);
2612 usbatm_usb_disconnect(intf);
2613 mutex_unlock(&uea_mutex);
2614 uea_info(usb, "ADSL device removed\n");
2615 }
2616
2617 uea_leaves(usb);
2618 }
2619
2620 /*
2621 * List of supported VID/PID
2622 */
2623 static const struct usb_device_id uea_ids[] = {
2624 {USB_DEVICE(ANALOG_VID, ADI930_PID_PREFIRM), .driver_info = ADI930 | PREFIRM},
2625 {USB_DEVICE(ANALOG_VID, ADI930_PID_PSTFIRM), .driver_info = ADI930 | PSTFIRM},
2626 {USB_DEVICE(ANALOG_VID, EAGLE_I_PID_PREFIRM), .driver_info = EAGLE_I | PREFIRM},
2627 {USB_DEVICE(ANALOG_VID, EAGLE_I_PID_PSTFIRM), .driver_info = EAGLE_I | PSTFIRM},
2628 {USB_DEVICE(ANALOG_VID, EAGLE_II_PID_PREFIRM), .driver_info = EAGLE_II | PREFIRM},
2629 {USB_DEVICE(ANALOG_VID, EAGLE_II_PID_PSTFIRM), .driver_info = EAGLE_II | PSTFIRM},
2630 {USB_DEVICE(ANALOG_VID, EAGLE_IIC_PID_PREFIRM), .driver_info = EAGLE_II | PREFIRM},
2631 {USB_DEVICE(ANALOG_VID, EAGLE_IIC_PID_PSTFIRM), .driver_info = EAGLE_II | PSTFIRM},
2632 {USB_DEVICE(ANALOG_VID, EAGLE_III_PID_PREFIRM), .driver_info = EAGLE_III | PREFIRM},
2633 {USB_DEVICE(ANALOG_VID, EAGLE_III_PID_PSTFIRM), .driver_info = EAGLE_III | PSTFIRM},
2634 {USB_DEVICE(ANALOG_VID, EAGLE_IV_PID_PREFIRM), .driver_info = EAGLE_IV | PREFIRM},
2635 {USB_DEVICE(ANALOG_VID, EAGLE_IV_PID_PSTFIRM), .driver_info = EAGLE_IV | PSTFIRM},
2636 {USB_DEVICE(DEVOLO_VID, DEVOLO_EAGLE_I_A_PID_PREFIRM), .driver_info = EAGLE_I | PREFIRM},
2637 {USB_DEVICE(DEVOLO_VID, DEVOLO_EAGLE_I_A_PID_PSTFIRM), .driver_info = EAGLE_I | PSTFIRM | AUTO_ANNEX_A},
2638 {USB_DEVICE(DEVOLO_VID, DEVOLO_EAGLE_I_B_PID_PREFIRM), .driver_info = EAGLE_I | PREFIRM},
2639 {USB_DEVICE(DEVOLO_VID, DEVOLO_EAGLE_I_B_PID_PSTFIRM), .driver_info = EAGLE_I | PSTFIRM | AUTO_ANNEX_B},
2640 {USB_DEVICE(DEVOLO_VID, DEVOLO_EAGLE_II_A_PID_PREFIRM), .driver_info = EAGLE_II | PREFIRM},
2641 {USB_DEVICE(DEVOLO_VID, DEVOLO_EAGLE_II_A_PID_PSTFIRM), .driver_info = EAGLE_II | PSTFIRM | AUTO_ANNEX_A},
2642 {USB_DEVICE(DEVOLO_VID, DEVOLO_EAGLE_II_B_PID_PREFIRM), .driver_info = EAGLE_II | PREFIRM},
2643 {USB_DEVICE(DEVOLO_VID, DEVOLO_EAGLE_II_B_PID_PSTFIRM), .driver_info = EAGLE_II | PSTFIRM | AUTO_ANNEX_B},
2644 {USB_DEVICE(ELSA_VID, ELSA_PID_PREFIRM), .driver_info = ADI930 | PREFIRM},
2645 {USB_DEVICE(ELSA_VID, ELSA_PID_PSTFIRM), .driver_info = ADI930 | PSTFIRM},
2646 {USB_DEVICE(ELSA_VID, ELSA_PID_A_PREFIRM), .driver_info = ADI930 | PREFIRM},
2647 {USB_DEVICE(ELSA_VID, ELSA_PID_A_PSTFIRM), .driver_info = ADI930 | PSTFIRM | AUTO_ANNEX_A},
2648 {USB_DEVICE(ELSA_VID, ELSA_PID_B_PREFIRM), .driver_info = ADI930 | PREFIRM},
2649 {USB_DEVICE(ELSA_VID, ELSA_PID_B_PSTFIRM), .driver_info = ADI930 | PSTFIRM | AUTO_ANNEX_B},
2650 {USB_DEVICE(USR_VID, MILLER_A_PID_PREFIRM), .driver_info = EAGLE_I | PREFIRM},
2651 {USB_DEVICE(USR_VID, MILLER_A_PID_PSTFIRM), .driver_info = EAGLE_I | PSTFIRM | AUTO_ANNEX_A},
2652 {USB_DEVICE(USR_VID, MILLER_B_PID_PREFIRM), .driver_info = EAGLE_I | PREFIRM},
2653 {USB_DEVICE(USR_VID, MILLER_B_PID_PSTFIRM), .driver_info = EAGLE_I | PSTFIRM | AUTO_ANNEX_B},
2654 {USB_DEVICE(USR_VID, HEINEKEN_A_PID_PREFIRM),.driver_info = EAGLE_I | PREFIRM},
2655 {USB_DEVICE(USR_VID, HEINEKEN_A_PID_PSTFIRM),.driver_info = EAGLE_I | PSTFIRM | AUTO_ANNEX_A},
2656 {USB_DEVICE(USR_VID, HEINEKEN_B_PID_PREFIRM),.driver_info = EAGLE_I | PREFIRM},
2657 {USB_DEVICE(USR_VID, HEINEKEN_B_PID_PSTFIRM),.driver_info = EAGLE_I | PSTFIRM | AUTO_ANNEX_B},
2658 {}
2659 };
2660
2661 /*
2662 * USB driver descriptor
2663 */
2664 static struct usb_driver uea_driver = {
2665 .name = "ueagle-atm",
2666 .id_table = uea_ids,
2667 .probe = uea_probe,
2668 .disconnect = uea_disconnect,
2669 };
2670
2671 MODULE_DEVICE_TABLE(usb, uea_ids);
2672
2673 /**
2674 * uea_init - Initialize the module.
2675 * Register to USB subsystem
2676 */
2677 static int __init uea_init(void)
2678 {
2679 printk(KERN_INFO "[ueagle-atm] driver " EAGLEUSBVERSION " loaded\n");
2680
2681 usb_register(&uea_driver);
2682
2683 return 0;
2684 }
2685
2686 module_init(uea_init);
2687
2688 /**
2689 * uea_exit - Destroy module
2690 * Deregister with USB subsystem
2691 */
2692 static void __exit uea_exit(void)
2693 {
2694 /*
2695 * This calls automatically the uea_disconnect method if necessary:
2696 */
2697 usb_deregister(&uea_driver);
2698
2699 printk(KERN_INFO "[ueagle-atm] driver unloaded\n");
2700 }
2701
2702 module_exit(uea_exit);
2703
2704 MODULE_AUTHOR("Damien Bergamini/Matthieu Castet/Stanislaw W. Gruszka");
2705 MODULE_DESCRIPTION("ADI 930/Eagle USB ADSL Modem driver");
2706 MODULE_LICENSE("Dual BSD/GPL");
Arne's tree of linux kernel.