?  search:
summary | log | graphiclog1 | graphiclog2 | commit | commitdiff | tree | refs | edit | fork
blame | history | raw | HEAD
Linux 2.6.26-rc5
[linux-2.6/openmoko-kernel/knife-kernel.git] / drivers / usb / atm / ueagle-atm.c
blob5f71ff3aee35f01203e36b3344f2d7dec3d1f40a
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/version.h>
68 #include <linux/mutex.h>
69 #include <linux/freezer.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 NB_MODEM 4
311
312 #define BULK_TIMEOUT 300
313 #define CTRL_TIMEOUT 1000
314
315 #define ACK_TIMEOUT msecs_to_jiffies(3000)
316
317 #define UEA_INTR_IFACE_NO 0
318 #define UEA_US_IFACE_NO 1
319 #define UEA_DS_IFACE_NO 2
320
321 #define FASTEST_ISO_INTF 8
322
323 #define UEA_BULK_DATA_PIPE 0x02
324 #define UEA_IDMA_PIPE 0x04
325 #define UEA_INTR_PIPE 0x04
326 #define UEA_ISO_DATA_PIPE 0x08
327
328 #define UEA_E1_SET_BLOCK 0x0001
329 #define UEA_E4_SET_BLOCK 0x002c
330 #define UEA_SET_MODE 0x0003
331 #define UEA_SET_2183_DATA 0x0004
332 #define UEA_SET_TIMEOUT 0x0011
333
334 #define UEA_LOOPBACK_OFF 0x0002
335 #define UEA_LOOPBACK_ON 0x0003
336 #define UEA_BOOT_IDMA 0x0006
337 #define UEA_START_RESET 0x0007
338 #define UEA_END_RESET 0x0008
339
340 #define UEA_SWAP_MAILBOX (0x3fcd | 0x4000)
341 #define UEA_MPTX_START (0x3fce | 0x4000)
342 #define UEA_MPTX_MAILBOX (0x3fd6 | 0x4000)
343 #define UEA_MPRX_MAILBOX (0x3fdf | 0x4000)
344
345 /* block information in eagle4 dsp firmware */
346 struct block_index {
347 __le32 PageOffset;
348 __le32 NotLastBlock;
349 __le32 dummy;
350 __le32 PageSize;
351 __le32 PageAddress;
352 __le16 dummy1;
353 __le16 PageNumber;
354 } __attribute__ ((packed));
355
356 #define E4_IS_BOOT_PAGE(PageSize) ((le32_to_cpu(PageSize)) & 0x80000000)
357 #define E4_PAGE_BYTES(PageSize) ((le32_to_cpu(PageSize) & 0x7fffffff) * 4)
358
359 #define E4_L1_STRING_HEADER 0x10
360 #define E4_MAX_PAGE_NUMBER 0x58
361 #define E4_NO_SWAPPAGE_HEADERS 0x31
362
363 /* l1_code is eagle4 dsp firmware format */
364 struct l1_code {
365 u8 string_header[E4_L1_STRING_HEADER];
366 u8 page_number_to_block_index[E4_MAX_PAGE_NUMBER];
367 struct block_index page_header[E4_NO_SWAPPAGE_HEADERS];
368 u8 code [0];
369 } __attribute__ ((packed));
370
371 /* structures describing a block within a DSP page */
372 struct block_info_e1 {
373 __le16 wHdr;
374 __le16 wAddress;
375 __le16 wSize;
376 __le16 wOvlOffset;
377 __le16 wOvl; /* overlay */
378 __le16 wLast;
379 } __attribute__ ((packed));
380 #define E1_BLOCK_INFO_SIZE 12
381
382 struct block_info_e4 {
383 __be16 wHdr;
384 __u8 bBootPage;
385 __u8 bPageNumber;
386 __be32 dwSize;
387 __be32 dwAddress;
388 __be16 wReserved;
389 } __attribute__ ((packed));
390 #define E4_BLOCK_INFO_SIZE 14
391
392 #define UEA_BIHDR 0xabcd
393 #define UEA_RESERVED 0xffff
394
395 /* constants describing cmv type */
396 #define E1_PREAMBLE 0x535c
397 #define E1_MODEMTOHOST 0x01
398 #define E1_HOSTTOMODEM 0x10
399
400 #define E1_MEMACCESS 0x1
401 #define E1_ADSLDIRECTIVE 0x7
402 #define E1_FUNCTION_TYPE(f) ((f) >> 4)
403 #define E1_FUNCTION_SUBTYPE(f) ((f) & 0x0f)
404
405 #define E4_MEMACCESS 0
406 #define E4_ADSLDIRECTIVE 0xf
407 #define E4_FUNCTION_TYPE(f) ((f) >> 8)
408 #define E4_FUNCTION_SIZE(f) ((f) & 0x0f)
409 #define E4_FUNCTION_SUBTYPE(f) (((f) >> 4) & 0x0f)
410
411 /* for MEMACCESS */
412 #define E1_REQUESTREAD 0x0
413 #define E1_REQUESTWRITE 0x1
414 #define E1_REPLYREAD 0x2
415 #define E1_REPLYWRITE 0x3
416
417 #define E4_REQUESTREAD 0x0
418 #define E4_REQUESTWRITE 0x4
419 #define E4_REPLYREAD (E4_REQUESTREAD | 1)
420 #define E4_REPLYWRITE (E4_REQUESTWRITE | 1)
421
422 /* for ADSLDIRECTIVE */
423 #define E1_KERNELREADY 0x0
424 #define E1_MODEMREADY 0x1
425
426 #define E4_KERNELREADY 0x0
427 #define E4_MODEMREADY 0x1
428
429 #define E1_MAKEFUNCTION(t, s) (((t) & 0xf) << 4 | ((s) & 0xf))
430 #define E4_MAKEFUNCTION(t, st, s) (((t) & 0xf) << 8 | ((st) & 0xf) << 4 | ((s) & 0xf))
431
432 #define E1_MAKESA(a, b, c, d) \
433 (((c) & 0xff) << 24 | \
434 ((d) & 0xff) << 16 | \
435 ((a) & 0xff) << 8 | \
436 ((b) & 0xff))
437
438 #define E1_GETSA1(a) ((a >> 8) & 0xff)
439 #define E1_GETSA2(a) (a & 0xff)
440 #define E1_GETSA3(a) ((a >> 24) & 0xff)
441 #define E1_GETSA4(a) ((a >> 16) & 0xff)
442
443 #define E1_SA_CNTL E1_MAKESA('C', 'N', 'T', 'L')
444 #define E1_SA_DIAG E1_MAKESA('D', 'I', 'A', 'G')
445 #define E1_SA_INFO E1_MAKESA('I', 'N', 'F', 'O')
446 #define E1_SA_OPTN E1_MAKESA('O', 'P', 'T', 'N')
447 #define E1_SA_RATE E1_MAKESA('R', 'A', 'T', 'E')
448 #define E1_SA_STAT E1_MAKESA('S', 'T', 'A', 'T')
449
450 #define E4_SA_CNTL 1
451 #define E4_SA_STAT 2
452 #define E4_SA_INFO 3
453 #define E4_SA_TEST 4
454 #define E4_SA_OPTN 5
455 #define E4_SA_RATE 6
456 #define E4_SA_DIAG 7
457 #define E4_SA_CNFG 8
458
459 /* structures representing a CMV (Configuration and Management Variable) */
460 struct cmv_e1 {
461 __le16 wPreamble;
462 __u8 bDirection;
463 __u8 bFunction;
464 __le16 wIndex;
465 __le32 dwSymbolicAddress;
466 __le16 wOffsetAddress;
467 __le32 dwData;
468 } __attribute__ ((packed));
469
470 struct cmv_e4 {
471 __be16 wGroup;
472 __be16 wFunction;
473 __be16 wOffset;
474 __be16 wAddress;
475 __be32 dwData [6];
476 } __attribute__ ((packed));
477
478 /* structures representing swap information */
479 struct swap_info_e1 {
480 __u8 bSwapPageNo;
481 __u8 bOvl; /* overlay */
482 } __attribute__ ((packed));
483
484 struct swap_info_e4 {
485 __u8 bSwapPageNo;
486 } __attribute__ ((packed));
487
488 /* structures representing interrupt data */
489 #define e1_bSwapPageNo u.e1.s1.swapinfo.bSwapPageNo
490 #define e1_bOvl u.e1.s1.swapinfo.bOvl
491 #define e4_bSwapPageNo u.e4.s1.swapinfo.bSwapPageNo
492
493 #define INT_LOADSWAPPAGE 0x0001
494 #define INT_INCOMINGCMV 0x0002
495
496 union intr_data_e1 {
497 struct {
498 struct swap_info_e1 swapinfo;
499 __le16 wDataSize;
500 } __attribute__ ((packed)) s1;
501 struct {
502 struct cmv_e1 cmv;
503 __le16 wDataSize;
504 } __attribute__ ((packed)) s2;
505 } __attribute__ ((packed));
506
507 union intr_data_e4 {
508 struct {
509 struct swap_info_e4 swapinfo;
510 __le16 wDataSize;
511 } __attribute__ ((packed)) s1;
512 struct {
513 struct cmv_e4 cmv;
514 __le16 wDataSize;
515 } __attribute__ ((packed)) s2;
516 } __attribute__ ((packed));
517
518 struct intr_pkt {
519 __u8 bType;
520 __u8 bNotification;
521 __le16 wValue;
522 __le16 wIndex;
523 __le16 wLength;
524 __le16 wInterrupt;
525 union {
526 union intr_data_e1 e1;
527 union intr_data_e4 e4;
528 } u;
529 } __attribute__ ((packed));
530
531 #define E1_INTR_PKT_SIZE 28
532 #define E4_INTR_PKT_SIZE 64
533
534 static struct usb_driver uea_driver;
535 static DEFINE_MUTEX(uea_mutex);
536 static const char *chip_name[] = {"ADI930", "Eagle I", "Eagle II", "Eagle III", "Eagle IV"};
537
538 static int modem_index;
539 static unsigned int debug;
540 static unsigned int altsetting[NB_MODEM] = {[0 ... (NB_MODEM - 1)] = FASTEST_ISO_INTF};
541 static int sync_wait[NB_MODEM];
542 static char *cmv_file[NB_MODEM];
543 static int annex[NB_MODEM];
544
545 module_param(debug, uint, 0644);
546 MODULE_PARM_DESC(debug, "module debug level (0=off,1=on,2=verbose)");
547 module_param_array(altsetting, uint, NULL, 0644);
548 MODULE_PARM_DESC(altsetting, "alternate setting for incoming traffic: 0=bulk, "
549 "1=isoc slowest, ... , 8=isoc fastest (default)");
550 module_param_array(sync_wait, bool, NULL, 0644);
551 MODULE_PARM_DESC(sync_wait, "wait the synchronisation before starting ATM");
552 module_param_array(cmv_file, charp, NULL, 0644);
553 MODULE_PARM_DESC(cmv_file,
554 "file name with configuration and management variables");
555 module_param_array(annex, uint, NULL, 0644);
556 MODULE_PARM_DESC(annex,
557 "manually set annex a/b (0=auto, 1=annex a, 2=annex b)");
558
559 #define uea_wait(sc, cond, timeo) \
560 ({ \
561 int _r = wait_event_interruptible_timeout(sc->sync_q, \
562 (cond) || kthread_should_stop(), timeo); \
563 if (kthread_should_stop()) \
564 _r = -ENODEV; \
565 _r; \
566 })
567
568 #define UPDATE_ATM_STAT(type, val) \
569 do { \
570 if (sc->usbatm->atm_dev) \
571 sc->usbatm->atm_dev->type = val; \
572 } while (0)
573
574 /* Firmware loading */
575 #define LOAD_INTERNAL 0xA0
576 #define F8051_USBCS 0x7f92
577
578 /**
579 * uea_send_modem_cmd - Send a command for pre-firmware devices.
580 */
581 static int uea_send_modem_cmd(struct usb_device *usb,
582 u16 addr, u16 size, u8 * buff)
583 {
584 int ret = -ENOMEM;
585 u8 *xfer_buff;
586
587 xfer_buff = kmemdup(buff, size, GFP_KERNEL);
588 if (xfer_buff) {
589 ret = usb_control_msg(usb,
590 usb_sndctrlpipe(usb, 0),
591 LOAD_INTERNAL,
592 USB_DIR_OUT | USB_TYPE_VENDOR |
593 USB_RECIP_DEVICE, addr, 0, xfer_buff,
594 size, CTRL_TIMEOUT);
595 kfree(xfer_buff);
596 }
597
598 if (ret < 0)
599 return ret;
600
601 return (ret == size) ? 0 : -EIO;
602 }
603
604 static void uea_upload_pre_firmware(const struct firmware *fw_entry, void *context)
605 {
606 struct usb_device *usb = context;
607 u8 *pfw, value;
608 u32 crc = 0;
609 int ret, size;
610
611 uea_enters(usb);
612 if (!fw_entry) {
613 uea_err(usb, "firmware is not available\n");
614 goto err;
615 }
616
617 pfw = fw_entry->data;
618 size = fw_entry->size;
619 if (size < 4)
620 goto err_fw_corrupted;
621
622 crc = get_unaligned_le32(pfw);
623 pfw += 4;
624 size -= 4;
625 if (crc32_be(0, pfw, size) != crc)
626 goto err_fw_corrupted;
627
628 /*
629 * Start to upload formware : send reset
630 */
631 value = 1;
632 ret = uea_send_modem_cmd(usb, F8051_USBCS, sizeof(value), &value);
633
634 if (ret < 0) {
635 uea_err(usb, "modem reset failed with error %d\n", ret);
636 goto err;
637 }
638
639 while (size > 3) {
640 u8 len = FW_GET_BYTE(pfw);
641 u16 add = get_unaligned_le16(pfw + 1);
642
643 size -= len + 3;
644 if (size < 0)
645 goto err_fw_corrupted;
646
647 ret = uea_send_modem_cmd(usb, add, len, pfw + 3);
648 if (ret < 0) {
649 uea_err(usb, "uploading firmware data failed "
650 "with error %d\n", ret);
651 goto err;
652 }
653 pfw += len + 3;
654 }
655
656 if (size != 0)
657 goto err_fw_corrupted;
658
659 /*
660 * Tell the modem we finish : de-assert reset
661 */
662 value = 0;
663 ret = uea_send_modem_cmd(usb, F8051_USBCS, 1, &value);
664 if (ret < 0)
665 uea_err(usb, "modem de-assert failed with error %d\n", ret);
666 else
667 uea_info(usb, "firmware uploaded\n");
668
669 uea_leaves(usb);
670 return;
671
672 err_fw_corrupted:
673 uea_err(usb, "firmware is corrupted\n");
674 err:
675 uea_leaves(usb);
676 }
677
678 /**
679 * uea_load_firmware - Load usb firmware for pre-firmware devices.
680 */
681 static int uea_load_firmware(struct usb_device *usb, unsigned int ver)
682 {
683 int ret;
684 char *fw_name = FW_DIR "eagle.fw";
685
686 uea_enters(usb);
687 uea_info(usb, "pre-firmware device, uploading firmware\n");
688
689 switch (ver) {
690 case ADI930:
691 fw_name = FW_DIR "adi930.fw";
692 break;
693 case EAGLE_I:
694 fw_name = FW_DIR "eagleI.fw";
695 break;
696 case EAGLE_II:
697 fw_name = FW_DIR "eagleII.fw";
698 break;
699 case EAGLE_III:
700 fw_name = FW_DIR "eagleIII.fw";
701 break;
702 case EAGLE_IV:
703 fw_name = FW_DIR "eagleIV.fw";
704 break;
705 }
706
707 ret = request_firmware_nowait(THIS_MODULE, 1, fw_name, &usb->dev, usb, uea_upload_pre_firmware);
708 if (ret)
709 uea_err(usb, "firmware %s is not available\n", fw_name);
710 else
711 uea_info(usb, "loading firmware %s\n", fw_name);
712
713 uea_leaves(usb);
714 return ret;
715 }
716
717 /* modem management : dsp firmware, send/read CMV, monitoring statistic
718 */
719
720 /*
721 * Make sure that the DSP code provided is safe to use.
722 */
723 static int check_dsp_e1(u8 *dsp, unsigned int len)
724 {
725 u8 pagecount, blockcount;
726 u16 blocksize;
727 u32 pageoffset;
728 unsigned int i, j, p, pp;
729
730 pagecount = FW_GET_BYTE(dsp);
731 p = 1;
732
733 /* enough space for page offsets? */
734 if (p + 4 * pagecount > len)
735 return 1;
736
737 for (i = 0; i < pagecount; i++) {
738
739 pageoffset = get_unaligned_le32(dsp + p);
740 p += 4;
741
742 if (pageoffset == 0)
743 continue;
744
745 /* enough space for blockcount? */
746 if (pageoffset >= len)
747 return 1;
748
749 pp = pageoffset;
750 blockcount = FW_GET_BYTE(dsp + pp);
751 pp += 1;
752
753 for (j = 0; j < blockcount; j++) {
754
755 /* enough space for block header? */
756 if (pp + 4 > len)
757 return 1;
758
759 pp += 2; /* skip blockaddr */
760 blocksize = get_unaligned_le16(dsp + pp);
761 pp += 2;
762
763 /* enough space for block data? */
764 if (pp + blocksize > len)
765 return 1;
766
767 pp += blocksize;
768 }
769 }
770
771 return 0;
772 }
773
774 static int check_dsp_e4(u8 *dsp, int len)
775 {
776 int i;
777 struct l1_code *p = (struct l1_code *) dsp;
778 unsigned int sum = p->code - dsp;
779
780 if (len < sum)
781 return 1;
782
783 if (strcmp("STRATIPHY ANEXA", p->string_header) != 0 &&
784 strcmp("STRATIPHY ANEXB", p->string_header) != 0)
785 return 1;
786
787 for (i = 0; i < E4_MAX_PAGE_NUMBER; i++) {
788 struct block_index *blockidx;
789 u8 blockno = p->page_number_to_block_index[i];
790 if (blockno >= E4_NO_SWAPPAGE_HEADERS)
791 continue;
792
793 do {
794 u64 l;
795
796 if (blockno >= E4_NO_SWAPPAGE_HEADERS)
797 return 1;
798
799 blockidx = &p->page_header[blockno++];
800 if ((u8 *)(blockidx + 1) - dsp >= len)
801 return 1;
802
803 if (le16_to_cpu(blockidx->PageNumber) != i)
804 return 1;
805
806 l = E4_PAGE_BYTES(blockidx->PageSize);
807 sum += l;
808 l += le32_to_cpu(blockidx->PageOffset);
809 if (l > len)
810 return 1;
811
812 /* zero is zero regardless endianes */
813 } while (blockidx->NotLastBlock);
814 }
815
816 return (sum == len) ? 0 : 1;
817 }
818
819 /*
820 * send data to the idma pipe
821 * */
822 static int uea_idma_write(struct uea_softc *sc, void *data, u32 size)
823 {
824 int ret = -ENOMEM;
825 u8 *xfer_buff;
826 int bytes_read;
827
828 xfer_buff = kmemdup(data, size, GFP_KERNEL);
829 if (!xfer_buff) {
830 uea_err(INS_TO_USBDEV(sc), "can't allocate xfer_buff\n");
831 return ret;
832 }
833
834 ret = usb_bulk_msg(sc->usb_dev,
835 usb_sndbulkpipe(sc->usb_dev, UEA_IDMA_PIPE),
836 xfer_buff, size, &bytes_read, BULK_TIMEOUT);
837
838 kfree(xfer_buff);
839 if (ret < 0)
840 return ret;
841 if (size != bytes_read) {
842 uea_err(INS_TO_USBDEV(sc), "size != bytes_read %d %d\n", size,
843 bytes_read);
844 return -EIO;
845 }
846
847 return 0;
848 }
849
850 static int request_dsp(struct uea_softc *sc)
851 {
852 int ret;
853 char *dsp_name;
854
855 if (UEA_CHIP_VERSION(sc) == EAGLE_IV) {
856 if (IS_ISDN(sc))
857 dsp_name = FW_DIR "DSP4i.bin";
858 else
859 dsp_name = FW_DIR "DSP4p.bin";
860 } else if (UEA_CHIP_VERSION(sc) == ADI930) {
861 if (IS_ISDN(sc))
862 dsp_name = FW_DIR "DSP9i.bin";
863 else
864 dsp_name = FW_DIR "DSP9p.bin";
865 } else {
866 if (IS_ISDN(sc))
867 dsp_name = FW_DIR "DSPei.bin";
868 else
869 dsp_name = FW_DIR "DSPep.bin";
870 }
871
872 ret = request_firmware(&sc->dsp_firm, dsp_name, &sc->usb_dev->dev);
873 if (ret < 0) {
874 uea_err(INS_TO_USBDEV(sc),
875 "requesting firmware %s failed with error %d\n",
876 dsp_name, ret);
877 return ret;
878 }
879
880 if (UEA_CHIP_VERSION(sc) == EAGLE_IV)
881 ret = check_dsp_e4(sc->dsp_firm->data, sc->dsp_firm->size);
882 else
883 ret = check_dsp_e1(sc->dsp_firm->data, sc->dsp_firm->size);
884
885 if (ret) {
886 uea_err(INS_TO_USBDEV(sc), "firmware %s is corrupted\n",
887 dsp_name);
888 release_firmware(sc->dsp_firm);
889 sc->dsp_firm = NULL;
890 return -EILSEQ;
891 }
892
893 return 0;
894 }
895
896 /*
897 * The uea_load_page() function must be called within a process context
898 */
899 static void uea_load_page_e1(struct work_struct *work)
900 {
901 struct uea_softc *sc = container_of(work, struct uea_softc, task);
902 u16 pageno = sc->pageno;
903 u16 ovl = sc->ovl;
904 struct block_info_e1 bi;
905
906 u8 *p;
907 u8 pagecount, blockcount;
908 u16 blockaddr, blocksize;
909 u32 pageoffset;
910 int i;
911
912 /* reload firmware when reboot start and it's loaded already */
913 if (ovl == 0 && pageno == 0 && sc->dsp_firm) {
914 release_firmware(sc->dsp_firm);
915 sc->dsp_firm = NULL;
916 }
917
918 if (sc->dsp_firm == NULL && request_dsp(sc) < 0)
919 return;
920
921 p = sc->dsp_firm->data;
922 pagecount = FW_GET_BYTE(p);
923 p += 1;
924
925 if (pageno >= pagecount)
926 goto bad1;
927
928 p += 4 * pageno;
929 pageoffset = get_unaligned_le32(p);
930
931 if (pageoffset == 0)
932 goto bad1;
933
934 p = sc->dsp_firm->data + pageoffset;
935 blockcount = FW_GET_BYTE(p);
936 p += 1;
937
938 uea_dbg(INS_TO_USBDEV(sc),
939 "sending %u blocks for DSP page %u\n", blockcount, pageno);
940
941 bi.wHdr = cpu_to_le16(UEA_BIHDR);
942 bi.wOvl = cpu_to_le16(ovl);
943 bi.wOvlOffset = cpu_to_le16(ovl | 0x8000);
944
945 for (i = 0; i < blockcount; i++) {
946 blockaddr = get_unaligned_le16(p);
947 p += 2;
948
949 blocksize = get_unaligned_le16(p);
950 p += 2;
951
952 bi.wSize = cpu_to_le16(blocksize);
953 bi.wAddress = cpu_to_le16(blockaddr);
954 bi.wLast = cpu_to_le16((i == blockcount - 1) ? 1 : 0);
955
956 /* send block info through the IDMA pipe */
957 if (uea_idma_write(sc, &bi, E1_BLOCK_INFO_SIZE))
958 goto bad2;
959
960 /* send block data through the IDMA pipe */
961 if (uea_idma_write(sc, p, blocksize))
962 goto bad2;
963
964 p += blocksize;
965 }
966
967 return;
968
969 bad2:
970 uea_err(INS_TO_USBDEV(sc), "sending DSP block %u failed\n", i);
971 return;
972 bad1:
973 uea_err(INS_TO_USBDEV(sc), "invalid DSP page %u requested\n", pageno);
974 }
975
976 static void __uea_load_page_e4(struct uea_softc *sc, u8 pageno, int boot)
977 {
978 struct block_info_e4 bi;
979 struct block_index *blockidx;
980 struct l1_code *p = (struct l1_code *) sc->dsp_firm->data;
981 u8 blockno = p->page_number_to_block_index[pageno];
982
983 bi.wHdr = cpu_to_be16(UEA_BIHDR);
984 bi.bBootPage = boot;
985 bi.bPageNumber = pageno;
986 bi.wReserved = cpu_to_be16(UEA_RESERVED);
987
988 do {
989 u8 *blockoffset;
990 unsigned int blocksize;
991
992 blockidx = &p->page_header[blockno];
993 blocksize = E4_PAGE_BYTES(blockidx->PageSize);
994 blockoffset = sc->dsp_firm->data + le32_to_cpu(blockidx->PageOffset);
995
996 bi.dwSize = cpu_to_be32(blocksize);
997 bi.dwAddress = cpu_to_be32(le32_to_cpu(blockidx->PageAddress));
998
999 uea_dbg(INS_TO_USBDEV(sc),
1000 "sending block %u for DSP page %u size %u address %x\n",
1001 blockno, pageno, blocksize, le32_to_cpu(blockidx->PageAddress));
1002
1003 /* send block info through the IDMA pipe */
1004 if (uea_idma_write(sc, &bi, E4_BLOCK_INFO_SIZE))
1005 goto bad;
1006
1007 /* send block data through the IDMA pipe */
1008 if (uea_idma_write(sc, blockoffset, blocksize))
1009 goto bad;
1010
1011 blockno++;
1012 } while (blockidx->NotLastBlock);
1013
1014 return;
1015
1016 bad:
1017 uea_err(INS_TO_USBDEV(sc), "sending DSP block %u failed\n", blockno);
1018 return;
1019 }
1020
1021 static void uea_load_page_e4(struct work_struct *work)
1022 {
1023 struct uea_softc *sc = container_of(work, struct uea_softc, task);
1024 u8 pageno = sc->pageno;
1025 int i;
1026 struct block_info_e4 bi;
1027 struct l1_code *p;
1028
1029 uea_dbg(INS_TO_USBDEV(sc), "sending DSP page %u\n", pageno);
1030
1031 /* reload firmware when reboot start and it's loaded already */
1032 if (pageno == 0 && sc->dsp_firm) {
1033 release_firmware(sc->dsp_firm);
1034 sc->dsp_firm = NULL;
1035 }
1036
1037 if (sc->dsp_firm == NULL && request_dsp(sc) < 0)
1038 return;
1039
1040 p = (struct l1_code *) sc->dsp_firm->data;
1041 if (pageno >= le16_to_cpu(p->page_header[0].PageNumber)) {
1042 uea_err(INS_TO_USBDEV(sc), "invalid DSP page %u requested\n", pageno);
1043 return;
1044 }
1045
1046 if (pageno != 0) {
1047 __uea_load_page_e4(sc, pageno, 0);
1048 return;
1049 }
1050
1051 uea_dbg(INS_TO_USBDEV(sc),
1052 "sending Main DSP page %u\n", p->page_header[0].PageNumber);
1053
1054 for (i = 0; i < le16_to_cpu(p->page_header[0].PageNumber); i++) {
1055 if (E4_IS_BOOT_PAGE(p->page_header[i].PageSize))
1056 __uea_load_page_e4(sc, i, 1);
1057 }
1058
1059 uea_dbg(INS_TO_USBDEV(sc),"sending start bi\n");
1060
1061 bi.wHdr = cpu_to_be16(UEA_BIHDR);
1062 bi.bBootPage = 0;
1063 bi.bPageNumber = 0xff;
1064 bi.wReserved = cpu_to_be16(UEA_RESERVED);
1065 bi.dwSize = cpu_to_be32(E4_PAGE_BYTES(p->page_header[0].PageSize));
1066 bi.dwAddress = cpu_to_be32(le32_to_cpu(p->page_header[0].PageAddress));
1067
1068 /* send block info through the IDMA pipe */
1069 if (uea_idma_write(sc, &bi, E4_BLOCK_INFO_SIZE))
1070 uea_err(INS_TO_USBDEV(sc), "sending DSP start bi failed\n");
1071 }
1072
1073 static inline void wake_up_cmv_ack(struct uea_softc *sc)
1074 {
1075 BUG_ON(sc->cmv_ack);
1076 sc->cmv_ack = 1;
1077 wake_up(&sc->sync_q);
1078 }
1079
1080 static inline int wait_cmv_ack(struct uea_softc *sc)
1081 {
1082 int ret = uea_wait(sc, sc->cmv_ack , ACK_TIMEOUT);
1083
1084 sc->cmv_ack = 0;
1085
1086 uea_dbg(INS_TO_USBDEV(sc), "wait_event_timeout : %d ms\n",
1087 jiffies_to_msecs(ret));
1088
1089 if (ret < 0)
1090 return ret;
1091
1092 return (ret == 0) ? -ETIMEDOUT : 0;
1093 }
1094
1095 #define UCDC_SEND_ENCAPSULATED_COMMAND 0x00
1096
1097 static int uea_request(struct uea_softc *sc,
1098 u16 value, u16 index, u16 size, void *data)
1099 {
1100 u8 *xfer_buff;
1101 int ret = -ENOMEM;
1102
1103 xfer_buff = kmemdup(data, size, GFP_KERNEL);
1104 if (!xfer_buff) {
1105 uea_err(INS_TO_USBDEV(sc), "can't allocate xfer_buff\n");
1106 return ret;
1107 }
1108
1109 ret = usb_control_msg(sc->usb_dev, usb_sndctrlpipe(sc->usb_dev, 0),
1110 UCDC_SEND_ENCAPSULATED_COMMAND,
1111 USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
1112 value, index, xfer_buff, size, CTRL_TIMEOUT);
1113
1114 kfree(xfer_buff);
1115 if (ret < 0) {
1116 uea_err(INS_TO_USBDEV(sc), "usb_control_msg error %d\n", ret);
1117 return ret;
1118 }
1119
1120 if (ret != size) {
1121 uea_err(INS_TO_USBDEV(sc),
1122 "usb_control_msg send only %d bytes (instead of %d)\n",
1123 ret, size);
1124 return -EIO;
1125 }
1126
1127 return 0;
1128 }
1129
1130 static int uea_cmv_e1(struct uea_softc *sc,
1131 u8 function, u32 address, u16 offset, u32 data)
1132 {
1133 struct cmv_e1 cmv;
1134 int ret;
1135
1136 uea_enters(INS_TO_USBDEV(sc));
1137 uea_vdbg(INS_TO_USBDEV(sc), "Function : %d-%d, Address : %c%c%c%c, "
1138 "offset : 0x%04x, data : 0x%08x\n",
1139 E1_FUNCTION_TYPE(function), E1_FUNCTION_SUBTYPE(function),
1140 E1_GETSA1(address), E1_GETSA2(address), E1_GETSA3(address),
1141 E1_GETSA4(address), offset, data);
1142
1143 /* we send a request, but we expect a reply */
1144 sc->cmv_dsc.e1.function = function | 0x2;
1145 sc->cmv_dsc.e1.idx++;
1146 sc->cmv_dsc.e1.address = address;
1147 sc->cmv_dsc.e1.offset = offset;
1148
1149 cmv.wPreamble = cpu_to_le16(E1_PREAMBLE);
1150 cmv.bDirection = E1_HOSTTOMODEM;
1151 cmv.bFunction = function;
1152 cmv.wIndex = cpu_to_le16(sc->cmv_dsc.e1.idx);
1153 put_unaligned_le32(address, &cmv.dwSymbolicAddress);
1154 cmv.wOffsetAddress = cpu_to_le16(offset);
1155 put_unaligned_le32(data >> 16 | data << 16, &cmv.dwData);
1156
1157 ret = uea_request(sc, UEA_E1_SET_BLOCK, UEA_MPTX_START, sizeof(cmv), &cmv);
1158 if (ret < 0)
1159 return ret;
1160 ret = wait_cmv_ack(sc);
1161 uea_leaves(INS_TO_USBDEV(sc));
1162 return ret;
1163 }
1164
1165 static int uea_cmv_e4(struct uea_softc *sc,
1166 u16 function, u16 group, u16 address, u16 offset, u32 data)
1167 {
1168 struct cmv_e4 cmv;
1169 int ret;
1170
1171 uea_enters(INS_TO_USBDEV(sc));
1172 memset(&cmv, 0, sizeof(cmv));
1173
1174 uea_vdbg(INS_TO_USBDEV(sc), "Function : %d-%d, Group : 0x%04x, "
1175 "Address : 0x%04x, offset : 0x%04x, data : 0x%08x\n",
1176 E4_FUNCTION_TYPE(function), E4_FUNCTION_SUBTYPE(function),
1177 group, address, offset, data);
1178
1179 /* we send a request, but we expect a reply */
1180 sc->cmv_dsc.e4.function = function | (0x1 << 4);
1181 sc->cmv_dsc.e4.offset = offset;
1182 sc->cmv_dsc.e4.address = address;
1183 sc->cmv_dsc.e4.group = group;
1184
1185 cmv.wFunction = cpu_to_be16(function);
1186 cmv.wGroup = cpu_to_be16(group);
1187 cmv.wAddress = cpu_to_be16(address);
1188 cmv.wOffset = cpu_to_be16(offset);
1189 cmv.dwData[0] = cpu_to_be32(data);
1190
1191 ret = uea_request(sc, UEA_E4_SET_BLOCK, UEA_MPTX_START, sizeof(cmv), &cmv);
1192 if (ret < 0)
1193 return ret;
1194 ret = wait_cmv_ack(sc);
1195 uea_leaves(INS_TO_USBDEV(sc));
1196 return ret;
1197 }
1198
1199 static inline int uea_read_cmv_e1(struct uea_softc *sc,
1200 u32 address, u16 offset, u32 *data)
1201 {
1202 int ret = uea_cmv_e1(sc, E1_MAKEFUNCTION(E1_MEMACCESS, E1_REQUESTREAD),
1203 address, offset, 0);
1204 if (ret < 0)
1205 uea_err(INS_TO_USBDEV(sc),
1206 "reading cmv failed with error %d\n", ret);
1207 else
1208 *data = sc->data;
1209
1210 return ret;
1211 }
1212
1213 static inline int uea_read_cmv_e4(struct uea_softc *sc,
1214 u8 size, u16 group, u16 address, u16 offset, u32 *data)
1215 {
1216 int ret = uea_cmv_e4(sc, E4_MAKEFUNCTION(E4_MEMACCESS, E4_REQUESTREAD, size),
1217 group, address, offset, 0);
1218 if (ret < 0)
1219 uea_err(INS_TO_USBDEV(sc),
1220 "reading cmv failed with error %d\n", ret);
1221 else {
1222 *data = sc->data;
1223 /* size is in 16-bit word quantities */
1224 if (size > 2)
1225 *(data + 1) = sc->data1;
1226 }
1227 return ret;
1228 }
1229
1230 static inline int uea_write_cmv_e1(struct uea_softc *sc,
1231 u32 address, u16 offset, u32 data)
1232 {
1233 int ret = uea_cmv_e1(sc, E1_MAKEFUNCTION(E1_MEMACCESS, E1_REQUESTWRITE),
1234 address, offset, data);
1235 if (ret < 0)
1236 uea_err(INS_TO_USBDEV(sc),
1237 "writing cmv failed with error %d\n", ret);
1238
1239 return ret;
1240 }
1241
1242 static inline int uea_write_cmv_e4(struct uea_softc *sc,
1243 u8 size, u16 group, u16 address, u16 offset, u32 data)
1244 {
1245 int ret = uea_cmv_e4(sc, E4_MAKEFUNCTION(E4_MEMACCESS, E4_REQUESTWRITE, size),
1246 group, address, offset, data);
1247 if (ret < 0)
1248 uea_err(INS_TO_USBDEV(sc),
1249 "writing cmv failed with error %d\n", ret);
1250
1251 return ret;
1252 }
1253
1254 static void uea_set_bulk_timeout(struct uea_softc *sc, u32 dsrate)
1255 {
1256 int ret;
1257 u16 timeout;
1258
1259 /* in bulk mode the modem have problem with high rate
1260 * changing internal timing could improve things, but the
1261 * value is misterious.
1262 * ADI930 don't support it (-EPIPE error).
1263 */
1264
1265 if (UEA_CHIP_VERSION(sc) == ADI930 ||
1266 altsetting[sc->modem_index] > 0 ||
1267 sc->stats.phy.dsrate == dsrate)
1268 return;
1269
1270 /* Original timming (1Mbit/s) from ADI (used in windows driver) */
1271 timeout = (dsrate <= 1024*1024) ? 0 : 1;
1272 ret = uea_request(sc, UEA_SET_TIMEOUT, timeout, 0, NULL);
1273 uea_info(INS_TO_USBDEV(sc), "setting new timeout %d%s\n",
1274 timeout, ret < 0 ? " failed" : "");
1275
1276 }
1277
1278 /*
1279 * Monitor the modem and update the stat
1280 * return 0 if everything is ok
1281 * return < 0 if an error occurs (-EAGAIN reboot needed)
1282 */
1283 static int uea_stat_e1(struct uea_softc *sc)
1284 {
1285 u32 data;
1286 int ret;
1287
1288 uea_enters(INS_TO_USBDEV(sc));
1289 data = sc->stats.phy.state;
1290
1291 ret = uea_read_cmv_e1(sc, E1_SA_STAT, 0, &sc->stats.phy.state);
1292 if (ret < 0)
1293 return ret;
1294
1295 switch (GET_STATUS(sc->stats.phy.state)) {
1296 case 0: /* not yet synchronized */
1297 uea_dbg(INS_TO_USBDEV(sc),
1298 "modem not yet synchronized\n");
1299 return 0;
1300
1301 case 1: /* initialization */
1302 uea_dbg(INS_TO_USBDEV(sc), "modem initializing\n");
1303 return 0;
1304
1305 case 2: /* operational */
1306 uea_vdbg(INS_TO_USBDEV(sc), "modem operational\n");
1307 break;
1308
1309 case 3: /* fail ... */
1310 uea_info(INS_TO_USBDEV(sc), "modem synchronization failed"
1311 " (may be try other cmv/dsp)\n");
1312 return -EAGAIN;
1313
1314 case 4 ... 6: /* test state */
1315 uea_warn(INS_TO_USBDEV(sc),
1316 "modem in test mode - not supported\n");
1317 return -EAGAIN;
1318
1319 case 7: /* fast-retain ... */
1320 uea_info(INS_TO_USBDEV(sc), "modem in fast-retain mode\n");
1321 return 0;
1322 default:
1323 uea_err(INS_TO_USBDEV(sc), "modem invalid SW mode %d\n",
1324 GET_STATUS(sc->stats.phy.state));
1325 return -EAGAIN;
1326 }
1327
1328 if (GET_STATUS(data) != 2) {
1329 uea_request(sc, UEA_SET_MODE, UEA_LOOPBACK_OFF, 0, NULL);
1330 uea_info(INS_TO_USBDEV(sc), "modem operational\n");
1331
1332 /* release the dsp firmware as it is not needed until
1333 * the next failure
1334 */
1335 if (sc->dsp_firm) {
1336 release_firmware(sc->dsp_firm);
1337 sc->dsp_firm = NULL;
1338 }
1339 }
1340
1341 /* always update it as atm layer could not be init when we switch to
1342 * operational state
1343 */
1344 UPDATE_ATM_STAT(signal, ATM_PHY_SIG_FOUND);
1345
1346 /* wake up processes waiting for synchronization */
1347 wake_up(&sc->sync_q);
1348
1349 ret = uea_read_cmv_e1(sc, E1_SA_DIAG, 2, &sc->stats.phy.flags);
1350 if (ret < 0)
1351 return ret;
1352 sc->stats.phy.mflags |= sc->stats.phy.flags;
1353
1354 /* in case of a flags ( for example delineation LOSS (& 0x10)),
1355 * we check the status again in order to detect the failure earlier
1356 */
1357 if (sc->stats.phy.flags) {
1358 uea_dbg(INS_TO_USBDEV(sc), "Stat flag = 0x%x\n",
1359 sc->stats.phy.flags);
1360 return 0;
1361 }
1362
1363 ret = uea_read_cmv_e1(sc, E1_SA_RATE, 0, &data);
1364 if (ret < 0)
1365 return ret;
1366
1367 uea_set_bulk_timeout(sc, (data >> 16) * 32);
1368 sc->stats.phy.dsrate = (data >> 16) * 32;
1369 sc->stats.phy.usrate = (data & 0xffff) * 32;
1370 UPDATE_ATM_STAT(link_rate, sc->stats.phy.dsrate * 1000 / 424);
1371
1372 ret = uea_read_cmv_e1(sc, E1_SA_DIAG, 23, &data);
1373 if (ret < 0)
1374 return ret;
1375 sc->stats.phy.dsattenuation = (data & 0xff) / 2;
1376
1377 ret = uea_read_cmv_e1(sc, E1_SA_DIAG, 47, &data);
1378 if (ret < 0)
1379 return ret;
1380 sc->stats.phy.usattenuation = (data & 0xff) / 2;
1381
1382 ret = uea_read_cmv_e1(sc, E1_SA_DIAG, 25, &sc->stats.phy.dsmargin);
1383 if (ret < 0)
1384 return ret;
1385
1386 ret = uea_read_cmv_e1(sc, E1_SA_DIAG, 49, &sc->stats.phy.usmargin);
1387 if (ret < 0)
1388 return ret;
1389
1390 ret = uea_read_cmv_e1(sc, E1_SA_DIAG, 51, &sc->stats.phy.rxflow);
1391 if (ret < 0)
1392 return ret;
1393
1394 ret = uea_read_cmv_e1(sc, E1_SA_DIAG, 52, &sc->stats.phy.txflow);
1395 if (ret < 0)
1396 return ret;
1397
1398 ret = uea_read_cmv_e1(sc, E1_SA_DIAG, 54, &sc->stats.phy.dsunc);
1399 if (ret < 0)
1400 return ret;
1401
1402 /* only for atu-c */
1403 ret = uea_read_cmv_e1(sc, E1_SA_DIAG, 58, &sc->stats.phy.usunc);
1404 if (ret < 0)
1405 return ret;
1406
1407 ret = uea_read_cmv_e1(sc, E1_SA_DIAG, 53, &sc->stats.phy.dscorr);
1408 if (ret < 0)
1409 return ret;
1410
1411 /* only for atu-c */
1412 ret = uea_read_cmv_e1(sc, E1_SA_DIAG, 57, &sc->stats.phy.uscorr);
1413 if (ret < 0)
1414 return ret;
1415
1416 ret = uea_read_cmv_e1(sc, E1_SA_INFO, 8, &sc->stats.phy.vidco);
1417 if (ret < 0)
1418 return ret;
1419
1420 ret = uea_read_cmv_e1(sc, E1_SA_INFO, 13, &sc->stats.phy.vidcpe);
1421 if (ret < 0)
1422 return ret;
1423
1424 return 0;
1425 }
1426
1427 static int uea_stat_e4(struct uea_softc *sc)
1428 {
1429 u32 data;
1430 u32 tmp_arr[2];
1431 int ret;
1432
1433 uea_enters(INS_TO_USBDEV(sc));
1434 data = sc->stats.phy.state;
1435
1436 /* XXX only need to be done before operationnal... */
1437 ret = uea_read_cmv_e4(sc, 1, E4_SA_STAT, 0, 0, &sc->stats.phy.state);
1438 if (ret < 0)
1439 return ret;
1440
1441 switch (sc->stats.phy.state) {
1442 case 0x0: /* not yet synchronized */
1443 case 0x1:
1444 case 0x3:
1445 case 0x4:
1446 uea_dbg(INS_TO_USBDEV(sc), "modem not yet synchronized\n");
1447 return 0;
1448 case 0x5: /* initialization */
1449 case 0x6:
1450 case 0x9:
1451 case 0xa:
1452 uea_dbg(INS_TO_USBDEV(sc), "modem initializing\n");
1453 return 0;
1454 case 0x2: /* fail ... */
1455 uea_info(INS_TO_USBDEV(sc), "modem synchronization failed"
1456 " (may be try other cmv/dsp)\n");
1457 return -EAGAIN;
1458 case 0x7: /* operational */
1459 break;
1460 default:
1461 uea_warn(INS_TO_USBDEV(sc), "unknown state: %x\n", sc->stats.phy.state);
1462 return 0;
1463 }
1464
1465 if (data != 7) {
1466 uea_request(sc, UEA_SET_MODE, UEA_LOOPBACK_OFF, 0, NULL);
1467 uea_info(INS_TO_USBDEV(sc), "modem operational\n");
1468
1469 /* release the dsp firmware as it is not needed until
1470 * the next failure
1471 */
1472 if (sc->dsp_firm) {
1473 release_firmware(sc->dsp_firm);
1474 sc->dsp_firm = NULL;
1475 }
1476 }
1477
1478 /* always update it as atm layer could not be init when we switch to
1479 * operational state
1480 */
1481 UPDATE_ATM_STAT(signal, ATM_PHY_SIG_FOUND);
1482
1483 /* wake up processes waiting for synchronization */
1484 wake_up(&sc->sync_q);
1485
1486 /* TODO improve this state machine :
1487 * we need some CMV info : what they do and their unit
1488 * we should find the equivalent of eagle3- CMV
1489 */
1490 /* check flags */
1491 ret = uea_read_cmv_e4(sc, 1, E4_SA_DIAG, 0, 0, &sc->stats.phy.flags);
1492 if (ret < 0)
1493 return ret;
1494 sc->stats.phy.mflags |= sc->stats.phy.flags;
1495
1496 /* in case of a flags ( for example delineation LOSS (& 0x10)),
1497 * we check the status again in order to detect the failure earlier
1498 */
1499 if (sc->stats.phy.flags) {
1500 uea_dbg(INS_TO_USBDEV(sc), "Stat flag = 0x%x\n",
1501 sc->stats.phy.flags);
1502 if (sc->stats.phy.flags & 1) //delineation LOSS
1503 return -EAGAIN;
1504 if (sc->stats.phy.flags & 0x4000) //Reset Flag
1505 return -EAGAIN;
1506 return 0;
1507 }
1508
1509 /* rate data may be in upper or lower half of 64 bit word, strange */
1510 ret = uea_read_cmv_e4(sc, 4, E4_SA_RATE, 0, 0, tmp_arr);
1511 if (ret < 0)
1512 return ret;
1513 data = (tmp_arr[0]) ? tmp_arr[0] : tmp_arr[1];
1514 sc->stats.phy.usrate = data / 1000;
1515
1516 ret = uea_read_cmv_e4(sc, 4, E4_SA_RATE, 1, 0, tmp_arr);
1517 if (ret < 0)
1518 return ret;
1519 data = (tmp_arr[0]) ? tmp_arr[0] : tmp_arr[1];
1520 uea_set_bulk_timeout(sc, data / 1000);
1521 sc->stats.phy.dsrate = data / 1000;
1522 UPDATE_ATM_STAT(link_rate, sc->stats.phy.dsrate * 1000 / 424);
1523
1524 ret = uea_read_cmv_e4(sc, 1, E4_SA_INFO, 68, 1, &data);
1525 if (ret < 0)
1526 return ret;
1527 sc->stats.phy.dsattenuation = data / 10;
1528
1529 ret = uea_read_cmv_e4(sc, 1, E4_SA_INFO, 69, 1, &data);
1530 if (ret < 0)
1531 return ret;
1532 sc->stats.phy.usattenuation = data / 10;
1533
1534 ret = uea_read_cmv_e4(sc, 1, E4_SA_INFO, 68, 3, &data);
1535 if (ret < 0)
1536 return ret;
1537 sc->stats.phy.dsmargin = data / 2;
1538
1539 ret = uea_read_cmv_e4(sc, 1, E4_SA_INFO, 69, 3, &data);
1540 if (ret < 0)
1541 return ret;
1542 sc->stats.phy.usmargin = data / 10;
1543
1544 return 0;
1545 }
1546
1547 static void cmvs_file_name(struct uea_softc *sc, char *const cmv_name, int ver)
1548 {
1549 char file_arr[] = "CMVxy.bin";
1550 char *file;
1551
1552 /* set proper name corresponding modem version and line type */
1553 if (cmv_file[sc->modem_index] == NULL) {
1554 if (UEA_CHIP_VERSION(sc) == ADI930)
1555 file_arr[3] = '9';
1556 else if (UEA_CHIP_VERSION(sc) == EAGLE_IV)
1557 file_arr[3] = '4';
1558 else
1559 file_arr[3] = 'e';
1560
1561 file_arr[4] = IS_ISDN(sc) ? 'i' : 'p';
1562 file = file_arr;
1563 } else
1564 file = cmv_file[sc->modem_index];
1565
1566 strcpy(cmv_name, FW_DIR);
1567 strlcat(cmv_name, file, FIRMWARE_NAME_MAX);
1568 if (ver == 2)
1569 strlcat(cmv_name, ".v2", FIRMWARE_NAME_MAX);
1570 }
1571
1572 static int request_cmvs_old(struct uea_softc *sc,
1573 void **cmvs, const struct firmware **fw)
1574 {
1575 int ret, size;
1576 u8 *data;
1577 char cmv_name[FIRMWARE_NAME_MAX]; /* 30 bytes stack variable */
1578
1579 cmvs_file_name(sc, cmv_name, 1);
1580 ret = request_firmware(fw, cmv_name, &sc->usb_dev->dev);
1581 if (ret < 0) {
1582 uea_err(INS_TO_USBDEV(sc),
1583 "requesting firmware %s failed with error %d\n",
1584 cmv_name, ret);
1585 return ret;
1586 }
1587
1588 data = (u8 *) (*fw)->data;
1589 size = (*fw)->size;
1590 if (size < 1)
1591 goto err_fw_corrupted;
1592
1593 if (size != *data * sizeof(struct uea_cmvs_v1) + 1)
1594 goto err_fw_corrupted;
1595
1596 *cmvs = (void *)(data + 1);
1597 return *data;
1598
1599 err_fw_corrupted:
1600 uea_err(INS_TO_USBDEV(sc), "firmware %s is corrupted\n", cmv_name);
1601 release_firmware(*fw);
1602 return -EILSEQ;
1603 }
1604
1605 static int request_cmvs(struct uea_softc *sc,
1606 void **cmvs, const struct firmware **fw, int *ver)
1607 {
1608 int ret, size;
1609 u32 crc;
1610 u8 *data;
1611 char cmv_name[FIRMWARE_NAME_MAX]; /* 30 bytes stack variable */
1612
1613 cmvs_file_name(sc, cmv_name, 2);
1614 ret = request_firmware(fw, cmv_name, &sc->usb_dev->dev);
1615 if (ret < 0) {
1616 /* if caller can handle old version, try to provide it */
1617 if (*ver == 1) {
1618 uea_warn(INS_TO_USBDEV(sc), "requesting firmware %s failed, "
1619 "try to get older cmvs\n", cmv_name);
1620 return request_cmvs_old(sc, cmvs, fw);
1621 }
1622 uea_err(INS_TO_USBDEV(sc),
1623 "requesting firmware %s failed with error %d\n",
1624 cmv_name, ret);
1625 return ret;
1626 }
1627
1628 size = (*fw)->size;
1629 data = (u8 *) (*fw)->data;
1630 if (size < 4 || strncmp(data, "cmv2", 4) != 0) {
1631 if (*ver == 1) {
1632 uea_warn(INS_TO_USBDEV(sc), "firmware %s is corrupted, "
1633 "try to get older cmvs\n", cmv_name);
1634 release_firmware(*fw);
1635 return request_cmvs_old(sc, cmvs, fw);
1636 }
1637 goto err_fw_corrupted;
1638 }
1639
1640 *ver = 2;
1641
1642 data += 4;
1643 size -= 4;
1644 if (size < 5)
1645 goto err_fw_corrupted;
1646
1647 crc = get_unaligned_le32(data);
1648 data += 4;
1649 size -= 4;
1650 if (crc32_be(0, data, size) != crc)
1651 goto err_fw_corrupted;
1652
1653 if (size != *data * sizeof(struct uea_cmvs_v2) + 1)
1654 goto err_fw_corrupted;
1655
1656 *cmvs = (void *) (data + 1);
1657 return *data;
1658
1659 err_fw_corrupted:
1660 uea_err(INS_TO_USBDEV(sc), "firmware %s is corrupted\n", cmv_name);
1661 release_firmware(*fw);
1662 return -EILSEQ;
1663 }
1664
1665 static int uea_send_cmvs_e1(struct uea_softc *sc)
1666 {
1667 int i, ret, len;
1668 void *cmvs_ptr;
1669 const struct firmware *cmvs_fw;
1670 int ver = 1; // we can handle v1 cmv firmware version;
1671
1672 /* Enter in R-IDLE (cmv) until instructed otherwise */
1673 ret = uea_write_cmv_e1(sc, E1_SA_CNTL, 0, 1);
1674 if (ret < 0)
1675 return ret;
1676
1677 /* Dump firmware version */
1678 ret = uea_read_cmv_e1(sc, E1_SA_INFO, 10, &sc->stats.phy.firmid);
1679 if (ret < 0)
1680 return ret;
1681 uea_info(INS_TO_USBDEV(sc), "ATU-R firmware version : %x\n",
1682 sc->stats.phy.firmid);
1683
1684 /* get options */
1685 ret = len = request_cmvs(sc, &cmvs_ptr, &cmvs_fw, &ver);
1686 if (ret < 0)
1687 return ret;
1688
1689 /* send options */
1690 if (ver == 1) {
1691 struct uea_cmvs_v1 *cmvs_v1 = cmvs_ptr;
1692
1693 uea_warn(INS_TO_USBDEV(sc), "use deprecated cmvs version, "
1694 "please update your firmware\n");
1695
1696 for (i = 0; i < len; i++) {
1697 ret = uea_write_cmv_e1(sc, get_unaligned_le32(&cmvs_v1[i].address),
1698 get_unaligned_le16(&cmvs_v1[i].offset),
1699 get_unaligned_le32(&cmvs_v1[i].data));
1700 if (ret < 0)
1701 goto out;
1702 }
1703 } else if (ver == 2) {
1704 struct uea_cmvs_v2 *cmvs_v2 = cmvs_ptr;
1705
1706 for (i = 0; i < len; i++) {
1707 ret = uea_write_cmv_e1(sc, get_unaligned_le32(&cmvs_v2[i].address),
1708 (u16) get_unaligned_le32(&cmvs_v2[i].offset),
1709 get_unaligned_le32(&cmvs_v2[i].data));
1710 if (ret < 0)
1711 goto out;
1712 }
1713 } else {
1714 /* This realy should not happen */
1715 uea_err(INS_TO_USBDEV(sc), "bad cmvs version %d\n", ver);
1716 goto out;
1717 }
1718
1719 /* Enter in R-ACT-REQ */
1720 ret = uea_write_cmv_e1(sc, E1_SA_CNTL, 0, 2);
1721 uea_vdbg(INS_TO_USBDEV(sc), "Entering in R-ACT-REQ state\n");
1722 uea_info(INS_TO_USBDEV(sc), "modem started, waiting synchronization...\n");
1723 out:
1724 release_firmware(cmvs_fw);
1725 return ret;
1726 }
1727
1728 static int uea_send_cmvs_e4(struct uea_softc *sc)
1729 {
1730 int i, ret, len;
1731 void *cmvs_ptr;
1732 const struct firmware *cmvs_fw;
1733 int ver = 2; // we can only handle v2 cmv firmware version;
1734
1735 /* Enter in R-IDLE (cmv) until instructed otherwise */
1736 ret = uea_write_cmv_e4(sc, 1, E4_SA_CNTL, 0, 0, 1);
1737 if (ret < 0)
1738 return ret;
1739
1740 /* Dump firmware version */
1741 /* XXX don't read the 3th byte as it is always 6 */
1742 ret = uea_read_cmv_e4(sc, 2, E4_SA_INFO, 55, 0, &sc->stats.phy.firmid);
1743 if (ret < 0)
1744 return ret;
1745 uea_info(INS_TO_USBDEV(sc), "ATU-R firmware version : %x\n",
1746 sc->stats.phy.firmid);
1747
1748
1749 /* get options */
1750 ret = len = request_cmvs(sc, &cmvs_ptr, &cmvs_fw, &ver);
1751 if (ret < 0)
1752 return ret;
1753
1754 /* send options */
1755 if (ver == 2) {
1756 struct uea_cmvs_v2 *cmvs_v2 = cmvs_ptr;
1757
1758 for (i = 0; i < len; i++) {
1759 ret = uea_write_cmv_e4(sc, 1,
1760 get_unaligned_le32(&cmvs_v2[i].group),
1761 get_unaligned_le32(&cmvs_v2[i].address),
1762 get_unaligned_le32(&cmvs_v2[i].offset),
1763 get_unaligned_le32(&cmvs_v2[i].data));
1764 if (ret < 0)
1765 goto out;
1766 }
1767 } else {
1768 /* This realy should not happen */
1769 uea_err(INS_TO_USBDEV(sc), "bad cmvs version %d\n", ver);
1770 goto out;
1771 }
1772
1773 /* Enter in R-ACT-REQ */
1774 ret = uea_write_cmv_e4(sc, 1, E4_SA_CNTL, 0, 0, 2);
1775 uea_vdbg(INS_TO_USBDEV(sc), "Entering in R-ACT-REQ state\n");
1776 uea_info(INS_TO_USBDEV(sc), "modem started, waiting synchronization...\n");
1777 out:
1778 release_firmware(cmvs_fw);
1779 return ret;
1780 }
1781
1782 /* Start boot post firmware modem:
1783 * - send reset commands through usb control pipe
1784 * - start workqueue for DSP loading
1785 * - send CMV options to modem
1786 */
1787
1788 static int uea_start_reset(struct uea_softc *sc)
1789 {
1790 u16 zero = 0; /* ;-) */
1791 int ret;
1792
1793 uea_enters(INS_TO_USBDEV(sc));
1794 uea_info(INS_TO_USBDEV(sc), "(re)booting started\n");
1795
1796 /* mask interrupt */
1797 sc->booting = 1;
1798 /* We need to set this here because, a ack timeout could have occured,
1799 * but before we start the reboot, the ack occurs and set this to 1.
1800 * So we will failed to wait Ready CMV.
1801 */
1802 sc->cmv_ack = 0;
1803 UPDATE_ATM_STAT(signal, ATM_PHY_SIG_LOST);
1804
1805 /* reset statistics */
1806 memset(&sc->stats, 0, sizeof(struct uea_stats));
1807
1808 /* tell the modem that we want to boot in IDMA mode */
1809 uea_request(sc, UEA_SET_MODE, UEA_LOOPBACK_ON, 0, NULL);
1810 uea_request(sc, UEA_SET_MODE, UEA_BOOT_IDMA, 0, NULL);
1811
1812 /* enter reset mode */
1813 uea_request(sc, UEA_SET_MODE, UEA_START_RESET, 0, NULL);
1814
1815 /* original driver use 200ms, but windows driver use 100ms */
1816 ret = uea_wait(sc, 0, msecs_to_jiffies(100));
1817 if (ret < 0)
1818 return ret;
1819
1820 /* leave reset mode */
1821 uea_request(sc, UEA_SET_MODE, UEA_END_RESET, 0, NULL);
1822
1823 if (UEA_CHIP_VERSION(sc) != EAGLE_IV) {
1824 /* clear tx and rx mailboxes */
1825 uea_request(sc, UEA_SET_2183_DATA, UEA_MPTX_MAILBOX, 2, &zero);
1826 uea_request(sc, UEA_SET_2183_DATA, UEA_MPRX_MAILBOX, 2, &zero);
1827 uea_request(sc, UEA_SET_2183_DATA, UEA_SWAP_MAILBOX, 2, &zero);
1828 }
1829
1830 ret = uea_wait(sc, 0, msecs_to_jiffies(1000));
1831 if (ret < 0)
1832 return ret;
1833
1834 if (UEA_CHIP_VERSION(sc) == EAGLE_IV)
1835 sc->cmv_dsc.e4.function = E4_MAKEFUNCTION(E4_ADSLDIRECTIVE, E4_MODEMREADY, 1);
1836 else
1837 sc->cmv_dsc.e1.function = E1_MAKEFUNCTION(E1_ADSLDIRECTIVE, E1_MODEMREADY);
1838
1839 /* demask interrupt */
1840 sc->booting = 0;
1841
1842 /* start loading DSP */
1843 sc->pageno = 0;
1844 sc->ovl = 0;
1845 queue_work(sc->work_q, &sc->task);
1846
1847 /* wait for modem ready CMV */
1848 ret = wait_cmv_ack(sc);
1849 if (ret < 0)
1850 return ret;
1851
1852 uea_vdbg(INS_TO_USBDEV(sc), "Ready CMV received\n");
1853
1854 ret = sc->send_cmvs(sc);
1855 if (ret < 0)
1856 return ret;
1857
1858 sc->reset = 0;
1859 uea_leaves(INS_TO_USBDEV(sc));
1860 return ret;
1861 }
1862
1863 /*
1864 * In case of an error wait 1s before rebooting the modem
1865 * if the modem don't request reboot (-EAGAIN).
1866 * Monitor the modem every 1s.
1867 */
1868
1869 static int uea_kthread(void *data)
1870 {
1871 struct uea_softc *sc = data;
1872 int ret = -EAGAIN;
1873
1874 set_freezable();
1875 uea_enters(INS_TO_USBDEV(sc));
1876 while (!kthread_should_stop()) {
1877 if (ret < 0 || sc->reset)
1878 ret = uea_start_reset(sc);
1879 if (!ret)
1880 ret = sc->stat(sc);
1881 if (ret != -EAGAIN)
1882 uea_wait(sc, 0, msecs_to_jiffies(1000));
1883 try_to_freeze();
1884 }
1885 uea_leaves(INS_TO_USBDEV(sc));
1886 return ret;
1887 }
1888
1889 /* Load second usb firmware for ADI930 chip */
1890 static int load_XILINX_firmware(struct uea_softc *sc)
1891 {
1892 const struct firmware *fw_entry;
1893 int ret, size, u, ln;
1894 u8 *pfw, value;
1895 char *fw_name = FW_DIR "930-fpga.bin";
1896
1897 uea_enters(INS_TO_USBDEV(sc));
1898
1899 ret = request_firmware(&fw_entry, fw_name, &sc->usb_dev->dev);
1900 if (ret) {
1901 uea_err(INS_TO_USBDEV(sc), "firmware %s is not available\n",
1902 fw_name);
1903 goto err0;
1904 }
1905
1906 pfw = fw_entry->data;
1907 size = fw_entry->size;
1908 if (size != 0x577B) {
1909 uea_err(INS_TO_USBDEV(sc), "firmware %s is corrupted\n",
1910 fw_name);
1911 ret = -EILSEQ;
1912 goto err1;
1913 }
1914 for (u = 0; u < size; u += ln) {
1915 ln = min(size - u, 64);
1916 ret = uea_request(sc, 0xe, 0, ln, pfw + u);
1917 if (ret < 0) {
1918 uea_err(INS_TO_USBDEV(sc),
1919 "elsa download data failed (%d)\n", ret);
1920 goto err1;
1921 }
1922 }
1923
1924 /* finish to send the fpga */
1925 ret = uea_request(sc, 0xe, 1, 0, NULL);
1926 if (ret < 0) {
1927 uea_err(INS_TO_USBDEV(sc),
1928 "elsa download data failed (%d)\n", ret);
1929 goto err1;
1930 }
1931
1932 /* Tell the modem we finish : de-assert reset */
1933 value = 0;
1934 ret = uea_send_modem_cmd(sc->usb_dev, 0xe, 1, &value);
1935 if (ret < 0)
1936 uea_err(sc->usb_dev, "elsa de-assert failed with error %d\n", ret);
1937
1938 err1:
1939 release_firmware(fw_entry);
1940 err0:
1941 uea_leaves(INS_TO_USBDEV(sc));
1942 return ret;
1943 }
1944
1945 /* The modem send us an ack. First with check if it right */
1946 static void uea_dispatch_cmv_e1(struct uea_softc *sc, struct intr_pkt *intr)
1947 {
1948 struct cmv_dsc_e1 *dsc = &sc->cmv_dsc.e1;
1949 struct cmv_e1 *cmv = &intr->u.e1.s2.cmv;
1950
1951 uea_enters(INS_TO_USBDEV(sc));
1952 if (le16_to_cpu(cmv->wPreamble) != E1_PREAMBLE)
1953 goto bad1;
1954
1955 if (cmv->bDirection != E1_MODEMTOHOST)
1956 goto bad1;
1957
1958 /* FIXME : ADI930 reply wrong preambule (func = 2, sub = 2) to
1959 * the first MEMACESS cmv. Ignore it...
1960 */
1961 if (cmv->bFunction != dsc->function) {
1962 if (UEA_CHIP_VERSION(sc) == ADI930
1963 && cmv->bFunction == E1_MAKEFUNCTION(2, 2)) {
1964 cmv->wIndex = cpu_to_le16(dsc->idx);
1965 put_unaligned_le32(dsc->address, &cmv->dwSymbolicAddress);
1966 cmv->wOffsetAddress = cpu_to_le16(dsc->offset);
1967 } else
1968 goto bad2;
1969 }
1970
1971 if (cmv->bFunction == E1_MAKEFUNCTION(E1_ADSLDIRECTIVE, E1_MODEMREADY)) {
1972 wake_up_cmv_ack(sc);
1973 uea_leaves(INS_TO_USBDEV(sc));
1974 return;
1975 }
1976
1977 /* in case of MEMACCESS */
1978 if (le16_to_cpu(cmv->wIndex) != dsc->idx ||
1979 get_unaligned_le32(&cmv->dwSymbolicAddress) != dsc->address ||
1980 le16_to_cpu(cmv->wOffsetAddress) != dsc->offset)
1981 goto bad2;
1982
1983 sc->data = get_unaligned_le32(&cmv->dwData);
1984 sc->data = sc->data << 16 | sc->data >> 16;
1985
1986 wake_up_cmv_ack(sc);
1987 uea_leaves(INS_TO_USBDEV(sc));
1988 return;
1989
1990 bad2:
1991 uea_err(INS_TO_USBDEV(sc), "unexpected cmv received, "
1992 "Function : %d, Subfunction : %d\n",
1993 E1_FUNCTION_TYPE(cmv->bFunction),
1994 E1_FUNCTION_SUBTYPE(cmv->bFunction));
1995 uea_leaves(INS_TO_USBDEV(sc));
1996 return;
1997
1998 bad1:
1999 uea_err(INS_TO_USBDEV(sc), "invalid cmv received, "
2000 "wPreamble %d, bDirection %d\n",
2001 le16_to_cpu(cmv->wPreamble), cmv->bDirection);
2002 uea_leaves(INS_TO_USBDEV(sc));
2003 }
2004
2005 /* The modem send us an ack. First with check if it right */
2006 static void uea_dispatch_cmv_e4(struct uea_softc *sc, struct intr_pkt *intr)
2007 {
2008 struct cmv_dsc_e4 *dsc = &sc->cmv_dsc.e4;
2009 struct cmv_e4 *cmv = &intr->u.e4.s2.cmv;
2010
2011 uea_enters(INS_TO_USBDEV(sc));
2012 uea_dbg(INS_TO_USBDEV(sc), "cmv %x %x %x %x %x %x\n",
2013 be16_to_cpu(cmv->wGroup), be16_to_cpu(cmv->wFunction),
2014 be16_to_cpu(cmv->wOffset), be16_to_cpu(cmv->wAddress),
2015 be32_to_cpu(cmv->dwData[0]), be32_to_cpu(cmv->dwData[1]));
2016
2017 if (be16_to_cpu(cmv->wFunction) != dsc->function)
2018 goto bad2;
2019
2020 if (be16_to_cpu(cmv->wFunction) == E4_MAKEFUNCTION(E4_ADSLDIRECTIVE, E4_MODEMREADY, 1)) {
2021 wake_up_cmv_ack(sc);
2022 uea_leaves(INS_TO_USBDEV(sc));
2023 return;
2024 }
2025
2026 /* in case of MEMACCESS */
2027 if (be16_to_cpu(cmv->wOffset) != dsc->offset ||
2028 be16_to_cpu(cmv->wGroup) != dsc->group ||
2029 be16_to_cpu(cmv->wAddress) != dsc->address)
2030 goto bad2;
2031
2032 sc->data = be32_to_cpu(cmv->dwData[0]);
2033 sc->data1 = be32_to_cpu(cmv->dwData[1]);
2034 wake_up_cmv_ack(sc);
2035 uea_leaves(INS_TO_USBDEV(sc));
2036 return;
2037
2038 bad2:
2039 uea_err(INS_TO_USBDEV(sc), "unexpected cmv received, "
2040 "Function : %d, Subfunction : %d\n",
2041 E4_FUNCTION_TYPE(cmv->wFunction),
2042 E4_FUNCTION_SUBTYPE(cmv->wFunction));
2043 uea_leaves(INS_TO_USBDEV(sc));
2044 return;
2045 }
2046
2047 static void uea_schedule_load_page_e1(struct uea_softc *sc, struct intr_pkt *intr)
2048 {
2049 sc->pageno = intr->e1_bSwapPageNo;
2050 sc->ovl = intr->e1_bOvl >> 4 | intr->e1_bOvl << 4;
2051 queue_work(sc->work_q, &sc->task);
2052 }
2053
2054 static void uea_schedule_load_page_e4(struct uea_softc *sc, struct intr_pkt *intr)
2055 {
2056 sc->pageno = intr->e4_bSwapPageNo;
2057 queue_work(sc->work_q, &sc->task);
2058 }
2059
2060 /*
2061 * interrupt handler
2062 */
2063 static void uea_intr(struct urb *urb)
2064 {
2065 struct uea_softc *sc = urb->context;
2066 struct intr_pkt *intr = urb->transfer_buffer;
2067 int status = urb->status;
2068
2069 uea_enters(INS_TO_USBDEV(sc));
2070
2071 if (unlikely(status < 0)) {
2072 uea_err(INS_TO_USBDEV(sc), "uea_intr() failed with %d\n",
2073 status);
2074 return;
2075 }
2076
2077 /* device-to-host interrupt */
2078 if (intr->bType != 0x08 || sc->booting) {
2079 uea_err(INS_TO_USBDEV(sc), "wrong interrupt\n");
2080 goto resubmit;
2081 }
2082
2083 switch (le16_to_cpu(intr->wInterrupt)) {
2084 case INT_LOADSWAPPAGE:
2085 sc->schedule_load_page(sc, intr);
2086 break;
2087
2088 case INT_INCOMINGCMV:
2089 sc->dispatch_cmv(sc, intr);
2090 break;
2091
2092 default:
2093 uea_err(INS_TO_USBDEV(sc), "unknown interrupt %u\n",
2094 le16_to_cpu(intr->wInterrupt));
2095 }
2096
2097 resubmit:
2098 usb_submit_urb(sc->urb_int, GFP_ATOMIC);
2099 }
2100
2101 /*
2102 * Start the modem : init the data and start kernel thread
2103 */
2104 static int uea_boot(struct uea_softc *sc)
2105 {
2106 int ret, size;
2107 struct intr_pkt *intr;
2108
2109 uea_enters(INS_TO_USBDEV(sc));
2110
2111 if (UEA_CHIP_VERSION(sc) == EAGLE_IV) {
2112 size = E4_INTR_PKT_SIZE;
2113 sc->dispatch_cmv = uea_dispatch_cmv_e4;
2114 sc->schedule_load_page = uea_schedule_load_page_e4;
2115 sc->stat = uea_stat_e4;
2116 sc->send_cmvs = uea_send_cmvs_e4;
2117 INIT_WORK(&sc->task, uea_load_page_e4);
2118 } else {
2119 size = E1_INTR_PKT_SIZE;
2120 sc->dispatch_cmv = uea_dispatch_cmv_e1;
2121 sc->schedule_load_page = uea_schedule_load_page_e1;
2122 sc->stat = uea_stat_e1;
2123 sc->send_cmvs = uea_send_cmvs_e1;
2124 INIT_WORK(&sc->task, uea_load_page_e1);
2125 }
2126
2127 init_waitqueue_head(&sc->sync_q);
2128
2129 sc->work_q = create_workqueue("ueagle-dsp");
2130 if (!sc->work_q) {
2131 uea_err(INS_TO_USBDEV(sc), "cannot allocate workqueue\n");
2132 uea_leaves(INS_TO_USBDEV(sc));
2133 return -ENOMEM;
2134 }
2135
2136 if (UEA_CHIP_VERSION(sc) == ADI930)
2137 load_XILINX_firmware(sc);
2138
2139 intr = kmalloc(size, GFP_KERNEL);
2140 if (!intr) {
2141 uea_err(INS_TO_USBDEV(sc),
2142 "cannot allocate interrupt package\n");
2143 goto err0;
2144 }
2145
2146 sc->urb_int = usb_alloc_urb(0, GFP_KERNEL);
2147 if (!sc->urb_int) {
2148 uea_err(INS_TO_USBDEV(sc), "cannot allocate interrupt URB\n");
2149 goto err1;
2150 }
2151
2152 usb_fill_int_urb(sc->urb_int, sc->usb_dev,
2153 usb_rcvintpipe(sc->usb_dev, UEA_INTR_PIPE),
2154 intr, size, uea_intr, sc,
2155 sc->usb_dev->actconfig->interface[0]->altsetting[0].
2156 endpoint[0].desc.bInterval);
2157
2158 ret = usb_submit_urb(sc->urb_int, GFP_KERNEL);
2159 if (ret < 0) {
2160 uea_err(INS_TO_USBDEV(sc),
2161 "urb submition failed with error %d\n", ret);
2162 goto err1;
2163 }
2164
2165 sc->kthread = kthread_run(uea_kthread, sc, "ueagle-atm");
2166 if (sc->kthread == ERR_PTR(-ENOMEM)) {
2167 uea_err(INS_TO_USBDEV(sc), "failed to create thread\n");
2168 goto err2;
2169 }
2170
2171 uea_leaves(INS_TO_USBDEV(sc));
2172 return 0;
2173
2174 err2:
2175 usb_kill_urb(sc->urb_int);
2176 err1:
2177 usb_free_urb(sc->urb_int);
2178 sc->urb_int = NULL;
2179 kfree(intr);
2180 err0:
2181 destroy_workqueue(sc->work_q);
2182 uea_leaves(INS_TO_USBDEV(sc));
2183 return -ENOMEM;
2184 }
2185
2186 /*
2187 * Stop the modem : kill kernel thread and free data
2188 */
2189 static void uea_stop(struct uea_softc *sc)
2190 {
2191 int ret;
2192 uea_enters(INS_TO_USBDEV(sc));
2193 ret = kthread_stop(sc->kthread);
2194 uea_dbg(INS_TO_USBDEV(sc), "kthread finish with status %d\n", ret);
2195
2196 uea_request(sc, UEA_SET_MODE, UEA_LOOPBACK_ON, 0, NULL);
2197
2198 usb_kill_urb(sc->urb_int);
2199 kfree(sc->urb_int->transfer_buffer);
2200 usb_free_urb(sc->urb_int);
2201
2202 /* stop any pending boot process, when no one can schedule work */
2203 destroy_workqueue(sc->work_q);
2204
2205 if (sc->dsp_firm)
2206 release_firmware(sc->dsp_firm);
2207 uea_leaves(INS_TO_USBDEV(sc));
2208 }
2209
2210 /* syfs interface */
2211 static struct uea_softc *dev_to_uea(struct device *dev)
2212 {
2213 struct usb_interface *intf;
2214 struct usbatm_data *usbatm;
2215
2216 intf = to_usb_interface(dev);
2217 if (!intf)
2218 return NULL;
2219
2220 usbatm = usb_get_intfdata(intf);
2221 if (!usbatm)
2222 return NULL;
2223
2224 return usbatm->driver_data;
2225 }
2226
2227 static ssize_t read_status(struct device *dev, struct device_attribute *attr,
2228 char *buf)
2229 {
2230 int ret = -ENODEV;
2231 struct uea_softc *sc;
2232
2233 mutex_lock(&uea_mutex);
2234 sc = dev_to_uea(dev);
2235 if (!sc)
2236 goto out;
2237 ret = snprintf(buf, 10, "%08x\n", sc->stats.phy.state);
2238 out:
2239 mutex_unlock(&uea_mutex);
2240 return ret;
2241 }
2242
2243 static ssize_t reboot(struct device *dev, struct device_attribute *attr,
2244 const char *buf, size_t count)
2245 {
2246 int ret = -ENODEV;
2247 struct uea_softc *sc;
2248
2249 mutex_lock(&uea_mutex);
2250 sc = dev_to_uea(dev);
2251 if (!sc)
2252 goto out;
2253 sc->reset = 1;
2254 ret = count;
2255 out:
2256 mutex_unlock(&uea_mutex);
2257 return ret;
2258 }
2259
2260 static DEVICE_ATTR(stat_status, S_IWUGO | S_IRUGO, read_status, reboot);
2261
2262 static ssize_t read_human_status(struct device *dev, struct device_attribute *attr,
2263 char *buf)
2264 {
2265 int ret = -ENODEV;
2266 int modem_state;
2267 struct uea_softc *sc;
2268
2269 mutex_lock(&uea_mutex);
2270 sc = dev_to_uea(dev);
2271 if (!sc)
2272 goto out;
2273
2274 if (UEA_CHIP_VERSION(sc) == EAGLE_IV) {
2275 switch (sc->stats.phy.state) {
2276 case 0x0: /* not yet synchronized */
2277 case 0x1:
2278 case 0x3:
2279 case 0x4:
2280 modem_state = 0;
2281 break;
2282 case 0x5: /* initialization */
2283 case 0x6:
2284 case 0x9:
2285 case 0xa:
2286 modem_state = 1;
2287 break;
2288 case 0x7: /* operational */
2289 modem_state = 2;
2290 break;
2291 case 0x2: /* fail ... */
2292 modem_state = 3;
2293 break;
2294 default: /* unknown */
2295 modem_state = 4;
2296 break;
2297 }
2298 } else
2299 modem_state = GET_STATUS(sc->stats.phy.state);
2300
2301 switch (modem_state) {
2302 case 0:
2303 ret = sprintf(buf, "Modem is booting\n");
2304 break;
2305 case 1:
2306 ret = sprintf(buf, "Modem is initializing\n");
2307 break;
2308 case 2:
2309 ret = sprintf(buf, "Modem is operational\n");
2310 break;
2311 case 3:
2312 ret = sprintf(buf, "Modem synchronization failed\n");
2313 break;
2314 default:
2315 ret = sprintf(buf, "Modem state is unknown\n");
2316 break;
2317 }
2318 out:
2319 mutex_unlock(&uea_mutex);
2320 return ret;
2321 }
2322
2323 static DEVICE_ATTR(stat_human_status, S_IWUGO | S_IRUGO, read_human_status, NULL);
2324
2325 static ssize_t read_delin(struct device *dev, struct device_attribute *attr,
2326 char *buf)
2327 {
2328 int ret = -ENODEV;
2329 struct uea_softc *sc;
2330 char *delin = "GOOD";
2331
2332 mutex_lock(&uea_mutex);
2333 sc = dev_to_uea(dev);
2334 if (!sc)
2335 goto out;
2336
2337 if (UEA_CHIP_VERSION(sc) == EAGLE_IV) {
2338 if (sc->stats.phy.flags & 0x4000)
2339 delin = "RESET";
2340 else if (sc->stats.phy.flags & 0x0001)
2341 delin = "LOSS";
2342 } else {
2343 if (sc->stats.phy.flags & 0x0C00)
2344 delin = "ERROR";
2345 else if (sc->stats.phy.flags & 0x0030)
2346 delin = "LOSS";
2347 }
2348
2349 ret = sprintf(buf, "%s\n", delin);
2350 out:
2351 mutex_unlock(&uea_mutex);
2352 return ret;
2353 }
2354
2355 static DEVICE_ATTR(stat_delin, S_IWUGO | S_IRUGO, read_delin, NULL);
2356
2357 #define UEA_ATTR(name, reset) \
2358 \
2359 static ssize_t read_##name(struct device *dev, \
2360 struct device_attribute *attr, char *buf) \
2361 { \
2362 int ret = -ENODEV; \
2363 struct uea_softc *sc; \
2364 \
2365 mutex_lock(&uea_mutex); \
2366 sc = dev_to_uea(dev); \
2367 if (!sc) \
2368 goto out; \
2369 ret = snprintf(buf, 10, "%08x\n", sc->stats.phy.name); \
2370 if (reset) \
2371 sc->stats.phy.name = 0; \
2372 out: \
2373 mutex_unlock(&uea_mutex); \
2374 return ret; \
2375 } \
2376 \
2377 static DEVICE_ATTR(stat_##name, S_IRUGO, read_##name, NULL)
2378
2379 UEA_ATTR(mflags, 1);
2380 UEA_ATTR(vidcpe, 0);
2381 UEA_ATTR(usrate, 0);
2382 UEA_ATTR(dsrate, 0);
2383 UEA_ATTR(usattenuation, 0);
2384 UEA_ATTR(dsattenuation, 0);
2385 UEA_ATTR(usmargin, 0);
2386 UEA_ATTR(dsmargin, 0);
2387 UEA_ATTR(txflow, 0);
2388 UEA_ATTR(rxflow, 0);
2389 UEA_ATTR(uscorr, 0);
2390 UEA_ATTR(dscorr, 0);
2391 UEA_ATTR(usunc, 0);
2392 UEA_ATTR(dsunc, 0);
2393 UEA_ATTR(firmid, 0);
2394
2395 /* Retrieve the device End System Identifier (MAC) */
2396
2397 #define htoi(x) (isdigit(x) ? x-'0' : toupper(x)-'A'+10)
2398 static int uea_getesi(struct uea_softc *sc, u_char * esi)
2399 {
2400 unsigned char mac_str[2 * ETH_ALEN + 1];
2401 int i;
2402 if (usb_string
2403 (sc->usb_dev, sc->usb_dev->descriptor.iSerialNumber, mac_str,
2404 sizeof(mac_str)) != 2 * ETH_ALEN)
2405 return 1;
2406
2407 for (i = 0; i < ETH_ALEN; i++)
2408 esi[i] = htoi(mac_str[2 * i]) * 16 + htoi(mac_str[2 * i + 1]);
2409
2410 return 0;
2411 }
2412
2413 /* ATM stuff */
2414 static int uea_atm_open(struct usbatm_data *usbatm, struct atm_dev *atm_dev)
2415 {
2416 struct uea_softc *sc = usbatm->driver_data;
2417
2418 return uea_getesi(sc, atm_dev->esi);
2419 }
2420
2421 static int uea_heavy(struct usbatm_data *usbatm, struct usb_interface *intf)
2422 {
2423 struct uea_softc *sc = usbatm->driver_data;
2424
2425 wait_event_interruptible(sc->sync_q, IS_OPERATIONAL(sc));
2426
2427 return 0;
2428
2429 }
2430
2431 static int claim_interface(struct usb_device *usb_dev,
2432 struct usbatm_data *usbatm, int ifnum)
2433 {
2434 int ret;
2435 struct usb_interface *intf = usb_ifnum_to_if(usb_dev, ifnum);
2436
2437 if (!intf) {
2438 uea_err(usb_dev, "interface %d not found\n", ifnum);
2439 return -ENODEV;
2440 }
2441
2442 ret = usb_driver_claim_interface(&uea_driver, intf, usbatm);
2443 if (ret != 0)
2444 uea_err(usb_dev, "can't claim interface %d, error %d\n", ifnum,
2445 ret);
2446 return ret;
2447 }
2448
2449 static struct attribute *attrs[] = {
2450 &dev_attr_stat_status.attr,
2451 &dev_attr_stat_mflags.attr,
2452 &dev_attr_stat_human_status.attr,
2453 &dev_attr_stat_delin.attr,
2454 &dev_attr_stat_vidcpe.attr,
2455 &dev_attr_stat_usrate.attr,
2456 &dev_attr_stat_dsrate.attr,
2457 &dev_attr_stat_usattenuation.attr,
2458 &dev_attr_stat_dsattenuation.attr,
2459 &dev_attr_stat_usmargin.attr,
2460 &dev_attr_stat_dsmargin.attr,
2461 &dev_attr_stat_txflow.attr,
2462 &dev_attr_stat_rxflow.attr,
2463 &dev_attr_stat_uscorr.attr,
2464 &dev_attr_stat_dscorr.attr,
2465 &dev_attr_stat_usunc.attr,
2466 &dev_attr_stat_dsunc.attr,
2467 &dev_attr_stat_firmid.attr,
2468 NULL,
2469 };
2470 static struct attribute_group attr_grp = {
2471 .attrs = attrs,
2472 };
2473
2474 static int uea_bind(struct usbatm_data *usbatm, struct usb_interface *intf,
2475 const struct usb_device_id *id)
2476 {
2477 struct usb_device *usb = interface_to_usbdev(intf);
2478 struct uea_softc *sc;
2479 int ret, ifnum = intf->altsetting->desc.bInterfaceNumber;
2480 unsigned int alt;
2481
2482 uea_enters(usb);
2483
2484 /* interface 0 is for firmware/monitoring */
2485 if (ifnum != UEA_INTR_IFACE_NO)
2486 return -ENODEV;
2487
2488 usbatm->flags = (sync_wait[modem_index] ? 0 : UDSL_SKIP_HEAVY_INIT);
2489
2490 /* interface 1 is for outbound traffic */
2491 ret = claim_interface(usb, usbatm, UEA_US_IFACE_NO);
2492 if (ret < 0)
2493 return ret;
2494
2495 /* ADI930 has only 2 interfaces and inbound traffic is on interface 1 */
2496 if (UEA_CHIP_VERSION(id) != ADI930) {
2497 /* interface 2 is for inbound traffic */
2498 ret = claim_interface(usb, usbatm, UEA_DS_IFACE_NO);
2499 if (ret < 0)
2500 return ret;
2501 }
2502
2503 sc = kzalloc(sizeof(struct uea_softc), GFP_KERNEL);
2504 if (!sc) {
2505 uea_err(usb, "uea_init: not enough memory !\n");
2506 return -ENOMEM;
2507 }
2508
2509 sc->usb_dev = usb;
2510 usbatm->driver_data = sc;
2511 sc->usbatm = usbatm;
2512 sc->modem_index = (modem_index < NB_MODEM) ? modem_index++ : 0;
2513 sc->driver_info = id->driver_info;
2514
2515 /* first try to use module parameter */
2516 if (annex[sc->modem_index] == 1)
2517 sc->annex = ANNEXA;
2518 else if (annex[sc->modem_index] == 2)
2519 sc->annex = ANNEXB;
2520 /* try to autodetect annex */
2521 else if (sc->driver_info & AUTO_ANNEX_A)
2522 sc->annex = ANNEXA;
2523 else if (sc->driver_info & AUTO_ANNEX_B)
2524 sc->annex = ANNEXB;
2525 else
2526 sc->annex = (le16_to_cpu(sc->usb_dev->descriptor.bcdDevice) & 0x80)?ANNEXB:ANNEXA;
2527
2528 alt = altsetting[sc->modem_index];
2529 /* ADI930 don't support iso */
2530 if (UEA_CHIP_VERSION(id) != ADI930 && alt > 0) {
2531 if (alt <= 8 && usb_set_interface(usb, UEA_DS_IFACE_NO, alt) == 0) {
2532 uea_dbg(usb, "set alternate %u for 2 interface\n", alt);
2533 uea_info(usb, "using iso mode\n");
2534 usbatm->flags |= UDSL_USE_ISOC | UDSL_IGNORE_EILSEQ;
2535 } else {
2536 uea_err(usb, "setting alternate %u failed for "
2537 "2 interface, using bulk mode\n", alt);
2538 }
2539 }
2540
2541 ret = sysfs_create_group(&intf->dev.kobj, &attr_grp);
2542 if (ret < 0)
2543 goto error;
2544
2545 ret = uea_boot(sc);
2546 if (ret < 0)
2547 goto error_rm_grp;
2548
2549 return 0;
2550
2551 error_rm_grp:
2552 sysfs_remove_group(&intf->dev.kobj, &attr_grp);
2553 error:
2554 kfree(sc);
2555 return ret;
2556 }
2557
2558 static void uea_unbind(struct usbatm_data *usbatm, struct usb_interface *intf)
2559 {
2560 struct uea_softc *sc = usbatm->driver_data;
2561
2562 sysfs_remove_group(&intf->dev.kobj, &attr_grp);
2563 uea_stop(sc);
2564 kfree(sc);
2565 }
2566
2567 static struct usbatm_driver uea_usbatm_driver = {
2568 .driver_name = "ueagle-atm",
2569 .bind = uea_bind,
2570 .atm_start = uea_atm_open,
2571 .unbind = uea_unbind,
2572 .heavy_init = uea_heavy,
2573 .bulk_in = UEA_BULK_DATA_PIPE,
2574 .bulk_out = UEA_BULK_DATA_PIPE,
2575 .isoc_in = UEA_ISO_DATA_PIPE,
2576 };
2577
2578 static int uea_probe(struct usb_interface *intf, const struct usb_device_id *id)
2579 {
2580 struct usb_device *usb = interface_to_usbdev(intf);
2581
2582 uea_enters(usb);
2583 uea_info(usb, "ADSL device founded vid (%#X) pid (%#X) Rev (%#X): %s\n",
2584 le16_to_cpu(usb->descriptor.idVendor),
2585 le16_to_cpu(usb->descriptor.idProduct),
2586 le16_to_cpu(usb->descriptor.bcdDevice),
2587 chip_name[UEA_CHIP_VERSION(id)]);
2588
2589 usb_reset_device(usb);
2590
2591 if (UEA_IS_PREFIRM(id))
2592 return uea_load_firmware(usb, UEA_CHIP_VERSION(id));
2593
2594 return usbatm_usb_probe(intf, id, &uea_usbatm_driver);
2595 }
2596
2597 static void uea_disconnect(struct usb_interface *intf)
2598 {
2599 struct usb_device *usb = interface_to_usbdev(intf);
2600 int ifnum = intf->altsetting->desc.bInterfaceNumber;
2601 uea_enters(usb);
2602
2603 /* ADI930 has 2 interfaces and eagle 3 interfaces.
2604 * Pre-firmware device has one interface
2605 */
2606 if (usb->config->desc.bNumInterfaces != 1 && ifnum == 0) {
2607 mutex_lock(&uea_mutex);
2608 usbatm_usb_disconnect(intf);
2609 mutex_unlock(&uea_mutex);
2610 uea_info(usb, "ADSL device removed\n");
2611 }
2612
2613 uea_leaves(usb);
2614 }
2615
2616 /*
2617 * List of supported VID/PID
2618 */
2619 static const struct usb_device_id uea_ids[] = {
2620 {USB_DEVICE(ANALOG_VID, ADI930_PID_PREFIRM), .driver_info = ADI930 | PREFIRM},
2621 {USB_DEVICE(ANALOG_VID, ADI930_PID_PSTFIRM), .driver_info = ADI930 | PSTFIRM},
2622 {USB_DEVICE(ANALOG_VID, EAGLE_I_PID_PREFIRM), .driver_info = EAGLE_I | PREFIRM},
2623 {USB_DEVICE(ANALOG_VID, EAGLE_I_PID_PSTFIRM), .driver_info = EAGLE_I | PSTFIRM},
2624 {USB_DEVICE(ANALOG_VID, EAGLE_II_PID_PREFIRM), .driver_info = EAGLE_II | PREFIRM},
2625 {USB_DEVICE(ANALOG_VID, EAGLE_II_PID_PSTFIRM), .driver_info = EAGLE_II | PSTFIRM},
2626 {USB_DEVICE(ANALOG_VID, EAGLE_IIC_PID_PREFIRM), .driver_info = EAGLE_II | PREFIRM},
2627 {USB_DEVICE(ANALOG_VID, EAGLE_IIC_PID_PSTFIRM), .driver_info = EAGLE_II | PSTFIRM},
2628 {USB_DEVICE(ANALOG_VID, EAGLE_III_PID_PREFIRM), .driver_info = EAGLE_III | PREFIRM},
2629 {USB_DEVICE(ANALOG_VID, EAGLE_III_PID_PSTFIRM), .driver_info = EAGLE_III | PSTFIRM},
2630 {USB_DEVICE(ANALOG_VID, EAGLE_IV_PID_PREFIRM), .driver_info = EAGLE_IV | PREFIRM},
2631 {USB_DEVICE(ANALOG_VID, EAGLE_IV_PID_PSTFIRM), .driver_info = EAGLE_IV | PSTFIRM},
2632 {USB_DEVICE(DEVOLO_VID, DEVOLO_EAGLE_I_A_PID_PREFIRM), .driver_info = EAGLE_I | PREFIRM},
2633 {USB_DEVICE(DEVOLO_VID, DEVOLO_EAGLE_I_A_PID_PSTFIRM), .driver_info = EAGLE_I | PSTFIRM | AUTO_ANNEX_A},
2634 {USB_DEVICE(DEVOLO_VID, DEVOLO_EAGLE_I_B_PID_PREFIRM), .driver_info = EAGLE_I | PREFIRM},
2635 {USB_DEVICE(DEVOLO_VID, DEVOLO_EAGLE_I_B_PID_PSTFIRM), .driver_info = EAGLE_I | PSTFIRM | AUTO_ANNEX_B},
2636 {USB_DEVICE(DEVOLO_VID, DEVOLO_EAGLE_II_A_PID_PREFIRM), .driver_info = EAGLE_II | PREFIRM},
2637 {USB_DEVICE(DEVOLO_VID, DEVOLO_EAGLE_II_A_PID_PSTFIRM), .driver_info = EAGLE_II | PSTFIRM | AUTO_ANNEX_A},
2638 {USB_DEVICE(DEVOLO_VID, DEVOLO_EAGLE_II_B_PID_PREFIRM), .driver_info = EAGLE_II | PREFIRM},
2639 {USB_DEVICE(DEVOLO_VID, DEVOLO_EAGLE_II_B_PID_PSTFIRM), .driver_info = EAGLE_II | PSTFIRM | AUTO_ANNEX_B},
2640 {USB_DEVICE(ELSA_VID, ELSA_PID_PREFIRM), .driver_info = ADI930 | PREFIRM},
2641 {USB_DEVICE(ELSA_VID, ELSA_PID_PSTFIRM), .driver_info = ADI930 | PSTFIRM},
2642 {USB_DEVICE(ELSA_VID, ELSA_PID_A_PREFIRM), .driver_info = ADI930 | PREFIRM},
2643 {USB_DEVICE(ELSA_VID, ELSA_PID_A_PSTFIRM), .driver_info = ADI930 | PSTFIRM | AUTO_ANNEX_A},
2644 {USB_DEVICE(ELSA_VID, ELSA_PID_B_PREFIRM), .driver_info = ADI930 | PREFIRM},
2645 {USB_DEVICE(ELSA_VID, ELSA_PID_B_PSTFIRM), .driver_info = ADI930 | PSTFIRM | AUTO_ANNEX_B},
2646 {USB_DEVICE(USR_VID, MILLER_A_PID_PREFIRM), .driver_info = EAGLE_I | PREFIRM},
2647 {USB_DEVICE(USR_VID, MILLER_A_PID_PSTFIRM), .driver_info = EAGLE_I | PSTFIRM | AUTO_ANNEX_A},
2648 {USB_DEVICE(USR_VID, MILLER_B_PID_PREFIRM), .driver_info = EAGLE_I | PREFIRM},
2649 {USB_DEVICE(USR_VID, MILLER_B_PID_PSTFIRM), .driver_info = EAGLE_I | PSTFIRM | AUTO_ANNEX_B},
2650 {USB_DEVICE(USR_VID, HEINEKEN_A_PID_PREFIRM),.driver_info = EAGLE_I | PREFIRM},
2651 {USB_DEVICE(USR_VID, HEINEKEN_A_PID_PSTFIRM),.driver_info = EAGLE_I | PSTFIRM | AUTO_ANNEX_A},
2652 {USB_DEVICE(USR_VID, HEINEKEN_B_PID_PREFIRM),.driver_info = EAGLE_I | PREFIRM},
2653 {USB_DEVICE(USR_VID, HEINEKEN_B_PID_PSTFIRM),.driver_info = EAGLE_I | PSTFIRM | AUTO_ANNEX_B},
2654 {}
2655 };
2656
2657 /*
2658 * USB driver descriptor
2659 */
2660 static struct usb_driver uea_driver = {
2661 .name = "ueagle-atm",
2662 .id_table = uea_ids,
2663 .probe = uea_probe,
2664 .disconnect = uea_disconnect,
2665 };
2666
2667 MODULE_DEVICE_TABLE(usb, uea_ids);
2668
2669 /**
2670 * uea_init - Initialize the module.
2671 * Register to USB subsystem
2672 */
2673 static int __init uea_init(void)
2674 {
2675 printk(KERN_INFO "[ueagle-atm] driver " EAGLEUSBVERSION " loaded\n");
2676
2677 usb_register(&uea_driver);
2678
2679 return 0;
2680 }
2681
2682 module_init(uea_init);
2683
2684 /**
2685 * uea_exit - Destroy module
2686 * Deregister with USB subsystem
2687 */
2688 static void __exit uea_exit(void)
2689 {
2690 /*
2691 * This calls automatically the uea_disconnect method if necessary:
2692 */
2693 usb_deregister(&uea_driver);
2694
2695 printk(KERN_INFO "[ueagle-atm] driver unloaded\n");
2696 }
2697
2698 module_exit(uea_exit);
2699
2700 MODULE_AUTHOR("Damien Bergamini/Matthieu Castet/Stanislaw W. Gruszka");
2701 MODULE_DESCRIPTION("ADI 930/Eagle USB ADSL Modem driver");
2702 MODULE_LICENSE("Dual BSD/GPL");
Community contributions to the Openmoko Kernel