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proc: use seq_puts()/seq_putc() where possible
[linux-2.6/next.git] / drivers / usb / atm / ueagle-atm.c
blob99ac70e32556f841b83c909108767dedf444237e
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 #include <linux/kernel.h>
71
72 #include <asm/unaligned.h>
73
74 #include "usbatm.h"
75
76 #define EAGLEUSBVERSION "ueagle 1.4"
77
78
79 /*
80 * Debug macros
81 */
82 #define uea_dbg(usb_dev, format, args...) \
83 do { \
84 if (debug >= 1) \
85 dev_dbg(&(usb_dev)->dev, \
86 "[ueagle-atm dbg] %s: " format, \
87 __func__, ##args); \
88 } while (0)
89
90 #define uea_vdbg(usb_dev, format, args...) \
91 do { \
92 if (debug >= 2) \
93 dev_dbg(&(usb_dev)->dev, \
94 "[ueagle-atm vdbg] " format, ##args); \
95 } while (0)
96
97 #define uea_enters(usb_dev) \
98 uea_vdbg(usb_dev, "entering %s\n" , __func__)
99
100 #define uea_leaves(usb_dev) \
101 uea_vdbg(usb_dev, "leaving %s\n" , __func__)
102
103 #define uea_err(usb_dev, format, args...) \
104 dev_err(&(usb_dev)->dev , "[UEAGLE-ATM] " format , ##args)
105
106 #define uea_warn(usb_dev, format, args...) \
107 dev_warn(&(usb_dev)->dev , "[Ueagle-atm] " format, ##args)
108
109 #define uea_info(usb_dev, format, args...) \
110 dev_info(&(usb_dev)->dev , "[ueagle-atm] " format, ##args)
111
112 struct intr_pkt;
113
114 /* cmv's from firmware */
115 struct uea_cmvs_v1 {
116 u32 address;
117 u16 offset;
118 u32 data;
119 } __attribute__ ((packed));
120
121 struct uea_cmvs_v2 {
122 u32 group;
123 u32 address;
124 u32 offset;
125 u32 data;
126 } __attribute__ ((packed));
127
128 /* information about currently processed cmv */
129 struct cmv_dsc_e1 {
130 u8 function;
131 u16 idx;
132 u32 address;
133 u16 offset;
134 };
135
136 struct cmv_dsc_e4 {
137 u16 function;
138 u16 offset;
139 u16 address;
140 u16 group;
141 };
142
143 union cmv_dsc {
144 struct cmv_dsc_e1 e1;
145 struct cmv_dsc_e4 e4;
146 };
147
148 struct uea_softc {
149 struct usb_device *usb_dev;
150 struct usbatm_data *usbatm;
151
152 int modem_index;
153 unsigned int driver_info;
154 int annex;
155 #define ANNEXA 0
156 #define ANNEXB 1
157
158 int booting;
159 int reset;
160
161 wait_queue_head_t sync_q;
162
163 struct task_struct *kthread;
164 u32 data;
165 u32 data1;
166
167 int cmv_ack;
168 union cmv_dsc cmv_dsc;
169
170 struct work_struct task;
171 struct workqueue_struct *work_q;
172 u16 pageno;
173 u16 ovl;
174
175 const struct firmware *dsp_firm;
176 struct urb *urb_int;
177
178 void (*dispatch_cmv) (struct uea_softc *, struct intr_pkt *);
179 void (*schedule_load_page) (struct uea_softc *, struct intr_pkt *);
180 int (*stat) (struct uea_softc *);
181 int (*send_cmvs) (struct uea_softc *);
182
183 /* keep in sync with eaglectl */
184 struct uea_stats {
185 struct {
186 u32 state;
187 u32 flags;
188 u32 mflags;
189 u32 vidcpe;
190 u32 vidco;
191 u32 dsrate;
192 u32 usrate;
193 u32 dsunc;
194 u32 usunc;
195 u32 dscorr;
196 u32 uscorr;
197 u32 txflow;
198 u32 rxflow;
199 u32 usattenuation;
200 u32 dsattenuation;
201 u32 dsmargin;
202 u32 usmargin;
203 u32 firmid;
204 } phy;
205 } stats;
206 };
207
208 /*
209 * Elsa IDs
210 */
211 #define ELSA_VID 0x05CC
212 #define ELSA_PID_PSTFIRM 0x3350
213 #define ELSA_PID_PREFIRM 0x3351
214
215 #define ELSA_PID_A_PREFIRM 0x3352
216 #define ELSA_PID_A_PSTFIRM 0x3353
217 #define ELSA_PID_B_PREFIRM 0x3362
218 #define ELSA_PID_B_PSTFIRM 0x3363
219
220 /*
221 * Devolo IDs : pots if (pid & 0x10)
222 */
223 #define DEVOLO_VID 0x1039
224 #define DEVOLO_EAGLE_I_A_PID_PSTFIRM 0x2110
225 #define DEVOLO_EAGLE_I_A_PID_PREFIRM 0x2111
226
227 #define DEVOLO_EAGLE_I_B_PID_PSTFIRM 0x2100
228 #define DEVOLO_EAGLE_I_B_PID_PREFIRM 0x2101
229
230 #define DEVOLO_EAGLE_II_A_PID_PSTFIRM 0x2130
231 #define DEVOLO_EAGLE_II_A_PID_PREFIRM 0x2131
232
233 #define DEVOLO_EAGLE_II_B_PID_PSTFIRM 0x2120
234 #define DEVOLO_EAGLE_II_B_PID_PREFIRM 0x2121
235
236 /*
237 * Reference design USB IDs
238 */
239 #define ANALOG_VID 0x1110
240 #define ADI930_PID_PREFIRM 0x9001
241 #define ADI930_PID_PSTFIRM 0x9000
242
243 #define EAGLE_I_PID_PREFIRM 0x9010 /* Eagle I */
244 #define EAGLE_I_PID_PSTFIRM 0x900F /* Eagle I */
245
246 #define EAGLE_IIC_PID_PREFIRM 0x9024 /* Eagle IIC */
247 #define EAGLE_IIC_PID_PSTFIRM 0x9023 /* Eagle IIC */
248
249 #define EAGLE_II_PID_PREFIRM 0x9022 /* Eagle II */
250 #define EAGLE_II_PID_PSTFIRM 0x9021 /* Eagle II */
251
252 #define EAGLE_III_PID_PREFIRM 0x9032 /* Eagle III */
253 #define EAGLE_III_PID_PSTFIRM 0x9031 /* Eagle III */
254
255 #define EAGLE_IV_PID_PREFIRM 0x9042 /* Eagle IV */
256 #define EAGLE_IV_PID_PSTFIRM 0x9041 /* Eagle IV */
257
258 /*
259 * USR USB IDs
260 */
261 #define USR_VID 0x0BAF
262 #define MILLER_A_PID_PREFIRM 0x00F2
263 #define MILLER_A_PID_PSTFIRM 0x00F1
264 #define MILLER_B_PID_PREFIRM 0x00FA
265 #define MILLER_B_PID_PSTFIRM 0x00F9
266 #define HEINEKEN_A_PID_PREFIRM 0x00F6
267 #define HEINEKEN_A_PID_PSTFIRM 0x00F5
268 #define HEINEKEN_B_PID_PREFIRM 0x00F8
269 #define HEINEKEN_B_PID_PSTFIRM 0x00F7
270
271 #define PREFIRM 0
272 #define PSTFIRM (1<<7)
273 #define AUTO_ANNEX_A (1<<8)
274 #define AUTO_ANNEX_B (1<<9)
275
276 enum {
277 ADI930 = 0,
278 EAGLE_I,
279 EAGLE_II,
280 EAGLE_III,
281 EAGLE_IV
282 };
283
284 /* macros for both struct usb_device_id and struct uea_softc */
285 #define UEA_IS_PREFIRM(x) \
286 (!((x)->driver_info & PSTFIRM))
287 #define UEA_CHIP_VERSION(x) \
288 ((x)->driver_info & 0xf)
289
290 #define IS_ISDN(x) \
291 ((x)->annex & ANNEXB)
292
293 #define INS_TO_USBDEV(ins) (ins->usb_dev)
294
295 #define GET_STATUS(data) \
296 ((data >> 8) & 0xf)
297
298 #define IS_OPERATIONAL(sc) \
299 ((UEA_CHIP_VERSION(sc) != EAGLE_IV) ? \
300 (GET_STATUS(sc->stats.phy.state) == 2) : \
301 (sc->stats.phy.state == 7))
302
303 /*
304 * Set of macros to handle unaligned data in the firmware blob.
305 * The FW_GET_BYTE() macro is provided only for consistency.
306 */
307
308 #define FW_GET_BYTE(p) (*((__u8 *) (p)))
309
310 #define FW_DIR "ueagle-atm/"
311 #define UEA_FW_NAME_MAX 30
312 #define NB_MODEM 4
313
314 #define BULK_TIMEOUT 300
315 #define CTRL_TIMEOUT 1000
316
317 #define ACK_TIMEOUT msecs_to_jiffies(3000)
318
319 #define UEA_INTR_IFACE_NO 0
320 #define UEA_US_IFACE_NO 1
321 #define UEA_DS_IFACE_NO 2
322
323 #define FASTEST_ISO_INTF 8
324
325 #define UEA_BULK_DATA_PIPE 0x02
326 #define UEA_IDMA_PIPE 0x04
327 #define UEA_INTR_PIPE 0x04
328 #define UEA_ISO_DATA_PIPE 0x08
329
330 #define UEA_E1_SET_BLOCK 0x0001
331 #define UEA_E4_SET_BLOCK 0x002c
332 #define UEA_SET_MODE 0x0003
333 #define UEA_SET_2183_DATA 0x0004
334 #define UEA_SET_TIMEOUT 0x0011
335
336 #define UEA_LOOPBACK_OFF 0x0002
337 #define UEA_LOOPBACK_ON 0x0003
338 #define UEA_BOOT_IDMA 0x0006
339 #define UEA_START_RESET 0x0007
340 #define UEA_END_RESET 0x0008
341
342 #define UEA_SWAP_MAILBOX (0x3fcd | 0x4000)
343 #define UEA_MPTX_START (0x3fce | 0x4000)
344 #define UEA_MPTX_MAILBOX (0x3fd6 | 0x4000)
345 #define UEA_MPRX_MAILBOX (0x3fdf | 0x4000)
346
347 /* block information in eagle4 dsp firmware */
348 struct block_index {
349 __le32 PageOffset;
350 __le32 NotLastBlock;
351 __le32 dummy;
352 __le32 PageSize;
353 __le32 PageAddress;
354 __le16 dummy1;
355 __le16 PageNumber;
356 } __attribute__ ((packed));
357
358 #define E4_IS_BOOT_PAGE(PageSize) ((le32_to_cpu(PageSize)) & 0x80000000)
359 #define E4_PAGE_BYTES(PageSize) ((le32_to_cpu(PageSize) & 0x7fffffff) * 4)
360
361 #define E4_L1_STRING_HEADER 0x10
362 #define E4_MAX_PAGE_NUMBER 0x58
363 #define E4_NO_SWAPPAGE_HEADERS 0x31
364
365 /* l1_code is eagle4 dsp firmware format */
366 struct l1_code {
367 u8 string_header[E4_L1_STRING_HEADER];
368 u8 page_number_to_block_index[E4_MAX_PAGE_NUMBER];
369 struct block_index page_header[E4_NO_SWAPPAGE_HEADERS];
370 u8 code[0];
371 } __attribute__ ((packed));
372
373 /* structures describing a block within a DSP page */
374 struct block_info_e1 {
375 __le16 wHdr;
376 __le16 wAddress;
377 __le16 wSize;
378 __le16 wOvlOffset;
379 __le16 wOvl; /* overlay */
380 __le16 wLast;
381 } __attribute__ ((packed));
382 #define E1_BLOCK_INFO_SIZE 12
383
384 struct block_info_e4 {
385 __be16 wHdr;
386 __u8 bBootPage;
387 __u8 bPageNumber;
388 __be32 dwSize;
389 __be32 dwAddress;
390 __be16 wReserved;
391 } __attribute__ ((packed));
392 #define E4_BLOCK_INFO_SIZE 14
393
394 #define UEA_BIHDR 0xabcd
395 #define UEA_RESERVED 0xffff
396
397 /* constants describing cmv type */
398 #define E1_PREAMBLE 0x535c
399 #define E1_MODEMTOHOST 0x01
400 #define E1_HOSTTOMODEM 0x10
401
402 #define E1_MEMACCESS 0x1
403 #define E1_ADSLDIRECTIVE 0x7
404 #define E1_FUNCTION_TYPE(f) ((f) >> 4)
405 #define E1_FUNCTION_SUBTYPE(f) ((f) & 0x0f)
406
407 #define E4_MEMACCESS 0
408 #define E4_ADSLDIRECTIVE 0xf
409 #define E4_FUNCTION_TYPE(f) ((f) >> 8)
410 #define E4_FUNCTION_SIZE(f) ((f) & 0x0f)
411 #define E4_FUNCTION_SUBTYPE(f) (((f) >> 4) & 0x0f)
412
413 /* for MEMACCESS */
414 #define E1_REQUESTREAD 0x0
415 #define E1_REQUESTWRITE 0x1
416 #define E1_REPLYREAD 0x2
417 #define E1_REPLYWRITE 0x3
418
419 #define E4_REQUESTREAD 0x0
420 #define E4_REQUESTWRITE 0x4
421 #define E4_REPLYREAD (E4_REQUESTREAD | 1)
422 #define E4_REPLYWRITE (E4_REQUESTWRITE | 1)
423
424 /* for ADSLDIRECTIVE */
425 #define E1_KERNELREADY 0x0
426 #define E1_MODEMREADY 0x1
427
428 #define E4_KERNELREADY 0x0
429 #define E4_MODEMREADY 0x1
430
431 #define E1_MAKEFUNCTION(t, s) (((t) & 0xf) << 4 | ((s) & 0xf))
432 #define E4_MAKEFUNCTION(t, st, s) (((t) & 0xf) << 8 | \
433 ((st) & 0xf) << 4 | ((s) & 0xf))
434
435 #define E1_MAKESA(a, b, c, d) \
436 (((c) & 0xff) << 24 | \
437 ((d) & 0xff) << 16 | \
438 ((a) & 0xff) << 8 | \
439 ((b) & 0xff))
440
441 #define E1_GETSA1(a) ((a >> 8) & 0xff)
442 #define E1_GETSA2(a) (a & 0xff)
443 #define E1_GETSA3(a) ((a >> 24) & 0xff)
444 #define E1_GETSA4(a) ((a >> 16) & 0xff)
445
446 #define E1_SA_CNTL E1_MAKESA('C', 'N', 'T', 'L')
447 #define E1_SA_DIAG E1_MAKESA('D', 'I', 'A', 'G')
448 #define E1_SA_INFO E1_MAKESA('I', 'N', 'F', 'O')
449 #define E1_SA_OPTN E1_MAKESA('O', 'P', 'T', 'N')
450 #define E1_SA_RATE E1_MAKESA('R', 'A', 'T', 'E')
451 #define E1_SA_STAT E1_MAKESA('S', 'T', 'A', 'T')
452
453 #define E4_SA_CNTL 1
454 #define E4_SA_STAT 2
455 #define E4_SA_INFO 3
456 #define E4_SA_TEST 4
457 #define E4_SA_OPTN 5
458 #define E4_SA_RATE 6
459 #define E4_SA_DIAG 7
460 #define E4_SA_CNFG 8
461
462 /* structures representing a CMV (Configuration and Management Variable) */
463 struct cmv_e1 {
464 __le16 wPreamble;
465 __u8 bDirection;
466 __u8 bFunction;
467 __le16 wIndex;
468 __le32 dwSymbolicAddress;
469 __le16 wOffsetAddress;
470 __le32 dwData;
471 } __attribute__ ((packed));
472
473 struct cmv_e4 {
474 __be16 wGroup;
475 __be16 wFunction;
476 __be16 wOffset;
477 __be16 wAddress;
478 __be32 dwData[6];
479 } __attribute__ ((packed));
480
481 /* structures representing swap information */
482 struct swap_info_e1 {
483 __u8 bSwapPageNo;
484 __u8 bOvl; /* overlay */
485 } __attribute__ ((packed));
486
487 struct swap_info_e4 {
488 __u8 bSwapPageNo;
489 } __attribute__ ((packed));
490
491 /* structures representing interrupt data */
492 #define e1_bSwapPageNo u.e1.s1.swapinfo.bSwapPageNo
493 #define e1_bOvl u.e1.s1.swapinfo.bOvl
494 #define e4_bSwapPageNo u.e4.s1.swapinfo.bSwapPageNo
495
496 #define INT_LOADSWAPPAGE 0x0001
497 #define INT_INCOMINGCMV 0x0002
498
499 union intr_data_e1 {
500 struct {
501 struct swap_info_e1 swapinfo;
502 __le16 wDataSize;
503 } __attribute__ ((packed)) s1;
504 struct {
505 struct cmv_e1 cmv;
506 __le16 wDataSize;
507 } __attribute__ ((packed)) s2;
508 } __attribute__ ((packed));
509
510 union intr_data_e4 {
511 struct {
512 struct swap_info_e4 swapinfo;
513 __le16 wDataSize;
514 } __attribute__ ((packed)) s1;
515 struct {
516 struct cmv_e4 cmv;
517 __le16 wDataSize;
518 } __attribute__ ((packed)) s2;
519 } __attribute__ ((packed));
520
521 struct intr_pkt {
522 __u8 bType;
523 __u8 bNotification;
524 __le16 wValue;
525 __le16 wIndex;
526 __le16 wLength;
527 __le16 wInterrupt;
528 union {
529 union intr_data_e1 e1;
530 union intr_data_e4 e4;
531 } u;
532 } __attribute__ ((packed));
533
534 #define E1_INTR_PKT_SIZE 28
535 #define E4_INTR_PKT_SIZE 64
536
537 static struct usb_driver uea_driver;
538 static DEFINE_MUTEX(uea_mutex);
539 static const char *chip_name[] = {"ADI930", "Eagle I", "Eagle II", "Eagle III",
540 "Eagle IV"};
541
542 static int modem_index;
543 static unsigned int debug;
544 static unsigned int altsetting[NB_MODEM] = {
545 [0 ... (NB_MODEM - 1)] = FASTEST_ISO_INTF};
546 static int sync_wait[NB_MODEM];
547 static char *cmv_file[NB_MODEM];
548 static int annex[NB_MODEM];
549
550 module_param(debug, uint, 0644);
551 MODULE_PARM_DESC(debug, "module debug level (0=off,1=on,2=verbose)");
552 module_param_array(altsetting, uint, NULL, 0644);
553 MODULE_PARM_DESC(altsetting, "alternate setting for incoming traffic: 0=bulk, "
554 "1=isoc slowest, ... , 8=isoc fastest (default)");
555 module_param_array(sync_wait, bool, NULL, 0644);
556 MODULE_PARM_DESC(sync_wait, "wait the synchronisation before starting ATM");
557 module_param_array(cmv_file, charp, NULL, 0644);
558 MODULE_PARM_DESC(cmv_file,
559 "file name with configuration and management variables");
560 module_param_array(annex, uint, NULL, 0644);
561 MODULE_PARM_DESC(annex,
562 "manually set annex a/b (0=auto, 1=annex a, 2=annex b)");
563
564 #define uea_wait(sc, cond, timeo) \
565 ({ \
566 int _r = wait_event_interruptible_timeout(sc->sync_q, \
567 (cond) || kthread_should_stop(), timeo); \
568 if (kthread_should_stop()) \
569 _r = -ENODEV; \
570 _r; \
571 })
572
573 #define UPDATE_ATM_STAT(type, val) \
574 do { \
575 if (sc->usbatm->atm_dev) \
576 sc->usbatm->atm_dev->type = val; \
577 } while (0)
578
579 #define UPDATE_ATM_SIGNAL(val) \
580 do { \
581 if (sc->usbatm->atm_dev) \
582 atm_dev_signal_change(sc->usbatm->atm_dev, val); \
583 } while (0)
584
585
586 /* Firmware loading */
587 #define LOAD_INTERNAL 0xA0
588 #define F8051_USBCS 0x7f92
589
590 /**
591 * uea_send_modem_cmd - Send a command for pre-firmware devices.
592 */
593 static int uea_send_modem_cmd(struct usb_device *usb,
594 u16 addr, u16 size, const u8 *buff)
595 {
596 int ret = -ENOMEM;
597 u8 *xfer_buff;
598
599 xfer_buff = kmemdup(buff, size, GFP_KERNEL);
600 if (xfer_buff) {
601 ret = usb_control_msg(usb,
602 usb_sndctrlpipe(usb, 0),
603 LOAD_INTERNAL,
604 USB_DIR_OUT | USB_TYPE_VENDOR |
605 USB_RECIP_DEVICE, addr, 0, xfer_buff,
606 size, CTRL_TIMEOUT);
607 kfree(xfer_buff);
608 }
609
610 if (ret < 0)
611 return ret;
612
613 return (ret == size) ? 0 : -EIO;
614 }
615
616 static void uea_upload_pre_firmware(const struct firmware *fw_entry,
617 void *context)
618 {
619 struct usb_device *usb = context;
620 const u8 *pfw;
621 u8 value;
622 u32 crc = 0;
623 int ret, size;
624
625 uea_enters(usb);
626 if (!fw_entry) {
627 uea_err(usb, "firmware is not available\n");
628 goto err;
629 }
630
631 pfw = fw_entry->data;
632 size = fw_entry->size;
633 if (size < 4)
634 goto err_fw_corrupted;
635
636 crc = get_unaligned_le32(pfw);
637 pfw += 4;
638 size -= 4;
639 if (crc32_be(0, pfw, size) != crc)
640 goto err_fw_corrupted;
641
642 /*
643 * Start to upload firmware : send reset
644 */
645 value = 1;
646 ret = uea_send_modem_cmd(usb, F8051_USBCS, sizeof(value), &value);
647
648 if (ret < 0) {
649 uea_err(usb, "modem reset failed with error %d\n", ret);
650 goto err;
651 }
652
653 while (size > 3) {
654 u8 len = FW_GET_BYTE(pfw);
655 u16 add = get_unaligned_le16(pfw + 1);
656
657 size -= len + 3;
658 if (size < 0)
659 goto err_fw_corrupted;
660
661 ret = uea_send_modem_cmd(usb, add, len, pfw + 3);
662 if (ret < 0) {
663 uea_err(usb, "uploading firmware data failed "
664 "with error %d\n", ret);
665 goto err;
666 }
667 pfw += len + 3;
668 }
669
670 if (size != 0)
671 goto err_fw_corrupted;
672
673 /*
674 * Tell the modem we finish : de-assert reset
675 */
676 value = 0;
677 ret = uea_send_modem_cmd(usb, F8051_USBCS, 1, &value);
678 if (ret < 0)
679 uea_err(usb, "modem de-assert failed with error %d\n", ret);
680 else
681 uea_info(usb, "firmware uploaded\n");
682
683 goto err;
684
685 err_fw_corrupted:
686 uea_err(usb, "firmware is corrupted\n");
687 err:
688 release_firmware(fw_entry);
689 uea_leaves(usb);
690 }
691
692 /**
693 * uea_load_firmware - Load usb firmware for pre-firmware devices.
694 */
695 static int uea_load_firmware(struct usb_device *usb, unsigned int ver)
696 {
697 int ret;
698 char *fw_name = FW_DIR "eagle.fw";
699
700 uea_enters(usb);
701 uea_info(usb, "pre-firmware device, uploading firmware\n");
702
703 switch (ver) {
704 case ADI930:
705 fw_name = FW_DIR "adi930.fw";
706 break;
707 case EAGLE_I:
708 fw_name = FW_DIR "eagleI.fw";
709 break;
710 case EAGLE_II:
711 fw_name = FW_DIR "eagleII.fw";
712 break;
713 case EAGLE_III:
714 fw_name = FW_DIR "eagleIII.fw";
715 break;
716 case EAGLE_IV:
717 fw_name = FW_DIR "eagleIV.fw";
718 break;
719 }
720
721 ret = request_firmware_nowait(THIS_MODULE, 1, fw_name, &usb->dev,
722 GFP_KERNEL, usb,
723 uea_upload_pre_firmware);
724 if (ret)
725 uea_err(usb, "firmware %s is not available\n", fw_name);
726 else
727 uea_info(usb, "loading firmware %s\n", fw_name);
728
729 uea_leaves(usb);
730 return ret;
731 }
732
733 /* modem management : dsp firmware, send/read CMV, monitoring statistic
734 */
735
736 /*
737 * Make sure that the DSP code provided is safe to use.
738 */
739 static int check_dsp_e1(const u8 *dsp, unsigned int len)
740 {
741 u8 pagecount, blockcount;
742 u16 blocksize;
743 u32 pageoffset;
744 unsigned int i, j, p, pp;
745
746 pagecount = FW_GET_BYTE(dsp);
747 p = 1;
748
749 /* enough space for page offsets? */
750 if (p + 4 * pagecount > len)
751 return 1;
752
753 for (i = 0; i < pagecount; i++) {
754
755 pageoffset = get_unaligned_le32(dsp + p);
756 p += 4;
757
758 if (pageoffset == 0)
759 continue;
760
761 /* enough space for blockcount? */
762 if (pageoffset >= len)
763 return 1;
764
765 pp = pageoffset;
766 blockcount = FW_GET_BYTE(dsp + pp);
767 pp += 1;
768
769 for (j = 0; j < blockcount; j++) {
770
771 /* enough space for block header? */
772 if (pp + 4 > len)
773 return 1;
774
775 pp += 2; /* skip blockaddr */
776 blocksize = get_unaligned_le16(dsp + pp);
777 pp += 2;
778
779 /* enough space for block data? */
780 if (pp + blocksize > len)
781 return 1;
782
783 pp += blocksize;
784 }
785 }
786
787 return 0;
788 }
789
790 static int check_dsp_e4(const u8 *dsp, int len)
791 {
792 int i;
793 struct l1_code *p = (struct l1_code *) dsp;
794 unsigned int sum = p->code - dsp;
795
796 if (len < sum)
797 return 1;
798
799 if (strcmp("STRATIPHY ANEXA", p->string_header) != 0 &&
800 strcmp("STRATIPHY ANEXB", p->string_header) != 0)
801 return 1;
802
803 for (i = 0; i < E4_MAX_PAGE_NUMBER; i++) {
804 struct block_index *blockidx;
805 u8 blockno = p->page_number_to_block_index[i];
806 if (blockno >= E4_NO_SWAPPAGE_HEADERS)
807 continue;
808
809 do {
810 u64 l;
811
812 if (blockno >= E4_NO_SWAPPAGE_HEADERS)
813 return 1;
814
815 blockidx = &p->page_header[blockno++];
816 if ((u8 *)(blockidx + 1) - dsp >= len)
817 return 1;
818
819 if (le16_to_cpu(blockidx->PageNumber) != i)
820 return 1;
821
822 l = E4_PAGE_BYTES(blockidx->PageSize);
823 sum += l;
824 l += le32_to_cpu(blockidx->PageOffset);
825 if (l > len)
826 return 1;
827
828 /* zero is zero regardless endianes */
829 } while (blockidx->NotLastBlock);
830 }
831
832 return (sum == len) ? 0 : 1;
833 }
834
835 /*
836 * send data to the idma pipe
837 * */
838 static int uea_idma_write(struct uea_softc *sc, const void *data, u32 size)
839 {
840 int ret = -ENOMEM;
841 u8 *xfer_buff;
842 int bytes_read;
843
844 xfer_buff = kmemdup(data, size, GFP_KERNEL);
845 if (!xfer_buff) {
846 uea_err(INS_TO_USBDEV(sc), "can't allocate xfer_buff\n");
847 return ret;
848 }
849
850 ret = usb_bulk_msg(sc->usb_dev,
851 usb_sndbulkpipe(sc->usb_dev, UEA_IDMA_PIPE),
852 xfer_buff, size, &bytes_read, BULK_TIMEOUT);
853
854 kfree(xfer_buff);
855 if (ret < 0)
856 return ret;
857 if (size != bytes_read) {
858 uea_err(INS_TO_USBDEV(sc), "size != bytes_read %d %d\n", size,
859 bytes_read);
860 return -EIO;
861 }
862
863 return 0;
864 }
865
866 static int request_dsp(struct uea_softc *sc)
867 {
868 int ret;
869 char *dsp_name;
870
871 if (UEA_CHIP_VERSION(sc) == EAGLE_IV) {
872 if (IS_ISDN(sc))
873 dsp_name = FW_DIR "DSP4i.bin";
874 else
875 dsp_name = FW_DIR "DSP4p.bin";
876 } else if (UEA_CHIP_VERSION(sc) == ADI930) {
877 if (IS_ISDN(sc))
878 dsp_name = FW_DIR "DSP9i.bin";
879 else
880 dsp_name = FW_DIR "DSP9p.bin";
881 } else {
882 if (IS_ISDN(sc))
883 dsp_name = FW_DIR "DSPei.bin";
884 else
885 dsp_name = FW_DIR "DSPep.bin";
886 }
887
888 ret = request_firmware(&sc->dsp_firm, dsp_name, &sc->usb_dev->dev);
889 if (ret < 0) {
890 uea_err(INS_TO_USBDEV(sc),
891 "requesting firmware %s failed with error %d\n",
892 dsp_name, ret);
893 return ret;
894 }
895
896 if (UEA_CHIP_VERSION(sc) == EAGLE_IV)
897 ret = check_dsp_e4(sc->dsp_firm->data, sc->dsp_firm->size);
898 else
899 ret = check_dsp_e1(sc->dsp_firm->data, sc->dsp_firm->size);
900
901 if (ret) {
902 uea_err(INS_TO_USBDEV(sc), "firmware %s is corrupted\n",
903 dsp_name);
904 release_firmware(sc->dsp_firm);
905 sc->dsp_firm = NULL;
906 return -EILSEQ;
907 }
908
909 return 0;
910 }
911
912 /*
913 * The uea_load_page() function must be called within a process context
914 */
915 static void uea_load_page_e1(struct work_struct *work)
916 {
917 struct uea_softc *sc = container_of(work, struct uea_softc, task);
918 u16 pageno = sc->pageno;
919 u16 ovl = sc->ovl;
920 struct block_info_e1 bi;
921
922 const u8 *p;
923 u8 pagecount, blockcount;
924 u16 blockaddr, blocksize;
925 u32 pageoffset;
926 int i;
927
928 /* reload firmware when reboot start and it's loaded already */
929 if (ovl == 0 && pageno == 0 && sc->dsp_firm) {
930 release_firmware(sc->dsp_firm);
931 sc->dsp_firm = NULL;
932 }
933
934 if (sc->dsp_firm == NULL && request_dsp(sc) < 0)
935 return;
936
937 p = sc->dsp_firm->data;
938 pagecount = FW_GET_BYTE(p);
939 p += 1;
940
941 if (pageno >= pagecount)
942 goto bad1;
943
944 p += 4 * pageno;
945 pageoffset = get_unaligned_le32(p);
946
947 if (pageoffset == 0)
948 goto bad1;
949
950 p = sc->dsp_firm->data + pageoffset;
951 blockcount = FW_GET_BYTE(p);
952 p += 1;
953
954 uea_dbg(INS_TO_USBDEV(sc),
955 "sending %u blocks for DSP page %u\n", blockcount, pageno);
956
957 bi.wHdr = cpu_to_le16(UEA_BIHDR);
958 bi.wOvl = cpu_to_le16(ovl);
959 bi.wOvlOffset = cpu_to_le16(ovl | 0x8000);
960
961 for (i = 0; i < blockcount; i++) {
962 blockaddr = get_unaligned_le16(p);
963 p += 2;
964
965 blocksize = get_unaligned_le16(p);
966 p += 2;
967
968 bi.wSize = cpu_to_le16(blocksize);
969 bi.wAddress = cpu_to_le16(blockaddr);
970 bi.wLast = cpu_to_le16((i == blockcount - 1) ? 1 : 0);
971
972 /* send block info through the IDMA pipe */
973 if (uea_idma_write(sc, &bi, E1_BLOCK_INFO_SIZE))
974 goto bad2;
975
976 /* send block data through the IDMA pipe */
977 if (uea_idma_write(sc, p, blocksize))
978 goto bad2;
979
980 p += blocksize;
981 }
982
983 return;
984
985 bad2:
986 uea_err(INS_TO_USBDEV(sc), "sending DSP block %u failed\n", i);
987 return;
988 bad1:
989 uea_err(INS_TO_USBDEV(sc), "invalid DSP page %u requested\n", pageno);
990 }
991
992 static void __uea_load_page_e4(struct uea_softc *sc, u8 pageno, int boot)
993 {
994 struct block_info_e4 bi;
995 struct block_index *blockidx;
996 struct l1_code *p = (struct l1_code *) sc->dsp_firm->data;
997 u8 blockno = p->page_number_to_block_index[pageno];
998
999 bi.wHdr = cpu_to_be16(UEA_BIHDR);
1000 bi.bBootPage = boot;
1001 bi.bPageNumber = pageno;
1002 bi.wReserved = cpu_to_be16(UEA_RESERVED);
1003
1004 do {
1005 const u8 *blockoffset;
1006 unsigned int blocksize;
1007
1008 blockidx = &p->page_header[blockno];
1009 blocksize = E4_PAGE_BYTES(blockidx->PageSize);
1010 blockoffset = sc->dsp_firm->data + le32_to_cpu(
1011 blockidx->PageOffset);
1012
1013 bi.dwSize = cpu_to_be32(blocksize);
1014 bi.dwAddress = cpu_to_be32(le32_to_cpu(blockidx->PageAddress));
1015
1016 uea_dbg(INS_TO_USBDEV(sc),
1017 "sending block %u for DSP page "
1018 "%u size %u address %x\n",
1019 blockno, pageno, blocksize,
1020 le32_to_cpu(blockidx->PageAddress));
1021
1022 /* send block info through the IDMA pipe */
1023 if (uea_idma_write(sc, &bi, E4_BLOCK_INFO_SIZE))
1024 goto bad;
1025
1026 /* send block data through the IDMA pipe */
1027 if (uea_idma_write(sc, blockoffset, blocksize))
1028 goto bad;
1029
1030 blockno++;
1031 } while (blockidx->NotLastBlock);
1032
1033 return;
1034
1035 bad:
1036 uea_err(INS_TO_USBDEV(sc), "sending DSP block %u failed\n", blockno);
1037 return;
1038 }
1039
1040 static void uea_load_page_e4(struct work_struct *work)
1041 {
1042 struct uea_softc *sc = container_of(work, struct uea_softc, task);
1043 u8 pageno = sc->pageno;
1044 int i;
1045 struct block_info_e4 bi;
1046 struct l1_code *p;
1047
1048 uea_dbg(INS_TO_USBDEV(sc), "sending DSP page %u\n", pageno);
1049
1050 /* reload firmware when reboot start and it's loaded already */
1051 if (pageno == 0 && sc->dsp_firm) {
1052 release_firmware(sc->dsp_firm);
1053 sc->dsp_firm = NULL;
1054 }
1055
1056 if (sc->dsp_firm == NULL && request_dsp(sc) < 0)
1057 return;
1058
1059 p = (struct l1_code *) sc->dsp_firm->data;
1060 if (pageno >= le16_to_cpu(p->page_header[0].PageNumber)) {
1061 uea_err(INS_TO_USBDEV(sc), "invalid DSP "
1062 "page %u requested\n", pageno);
1063 return;
1064 }
1065
1066 if (pageno != 0) {
1067 __uea_load_page_e4(sc, pageno, 0);
1068 return;
1069 }
1070
1071 uea_dbg(INS_TO_USBDEV(sc),
1072 "sending Main DSP page %u\n", p->page_header[0].PageNumber);
1073
1074 for (i = 0; i < le16_to_cpu(p->page_header[0].PageNumber); i++) {
1075 if (E4_IS_BOOT_PAGE(p->page_header[i].PageSize))
1076 __uea_load_page_e4(sc, i, 1);
1077 }
1078
1079 uea_dbg(INS_TO_USBDEV(sc) , "sending start bi\n");
1080
1081 bi.wHdr = cpu_to_be16(UEA_BIHDR);
1082 bi.bBootPage = 0;
1083 bi.bPageNumber = 0xff;
1084 bi.wReserved = cpu_to_be16(UEA_RESERVED);
1085 bi.dwSize = cpu_to_be32(E4_PAGE_BYTES(p->page_header[0].PageSize));
1086 bi.dwAddress = cpu_to_be32(le32_to_cpu(p->page_header[0].PageAddress));
1087
1088 /* send block info through the IDMA pipe */
1089 if (uea_idma_write(sc, &bi, E4_BLOCK_INFO_SIZE))
1090 uea_err(INS_TO_USBDEV(sc), "sending DSP start bi failed\n");
1091 }
1092
1093 static inline void wake_up_cmv_ack(struct uea_softc *sc)
1094 {
1095 BUG_ON(sc->cmv_ack);
1096 sc->cmv_ack = 1;
1097 wake_up(&sc->sync_q);
1098 }
1099
1100 static inline int wait_cmv_ack(struct uea_softc *sc)
1101 {
1102 int ret = uea_wait(sc, sc->cmv_ack , ACK_TIMEOUT);
1103
1104 sc->cmv_ack = 0;
1105
1106 uea_dbg(INS_TO_USBDEV(sc), "wait_event_timeout : %d ms\n",
1107 jiffies_to_msecs(ret));
1108
1109 if (ret < 0)
1110 return ret;
1111
1112 return (ret == 0) ? -ETIMEDOUT : 0;
1113 }
1114
1115 #define UCDC_SEND_ENCAPSULATED_COMMAND 0x00
1116
1117 static int uea_request(struct uea_softc *sc,
1118 u16 value, u16 index, u16 size, const void *data)
1119 {
1120 u8 *xfer_buff;
1121 int ret = -ENOMEM;
1122
1123 xfer_buff = kmemdup(data, size, GFP_KERNEL);
1124 if (!xfer_buff) {
1125 uea_err(INS_TO_USBDEV(sc), "can't allocate xfer_buff\n");
1126 return ret;
1127 }
1128
1129 ret = usb_control_msg(sc->usb_dev, usb_sndctrlpipe(sc->usb_dev, 0),
1130 UCDC_SEND_ENCAPSULATED_COMMAND,
1131 USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
1132 value, index, xfer_buff, size, CTRL_TIMEOUT);
1133
1134 kfree(xfer_buff);
1135 if (ret < 0) {
1136 uea_err(INS_TO_USBDEV(sc), "usb_control_msg error %d\n", ret);
1137 return ret;
1138 }
1139
1140 if (ret != size) {
1141 uea_err(INS_TO_USBDEV(sc),
1142 "usb_control_msg send only %d bytes (instead of %d)\n",
1143 ret, size);
1144 return -EIO;
1145 }
1146
1147 return 0;
1148 }
1149
1150 static int uea_cmv_e1(struct uea_softc *sc,
1151 u8 function, u32 address, u16 offset, u32 data)
1152 {
1153 struct cmv_e1 cmv;
1154 int ret;
1155
1156 uea_enters(INS_TO_USBDEV(sc));
1157 uea_vdbg(INS_TO_USBDEV(sc), "Function : %d-%d, Address : %c%c%c%c, "
1158 "offset : 0x%04x, data : 0x%08x\n",
1159 E1_FUNCTION_TYPE(function),
1160 E1_FUNCTION_SUBTYPE(function),
1161 E1_GETSA1(address), E1_GETSA2(address),
1162 E1_GETSA3(address),
1163 E1_GETSA4(address), offset, data);
1164
1165 /* we send a request, but we expect a reply */
1166 sc->cmv_dsc.e1.function = function | 0x2;
1167 sc->cmv_dsc.e1.idx++;
1168 sc->cmv_dsc.e1.address = address;
1169 sc->cmv_dsc.e1.offset = offset;
1170
1171 cmv.wPreamble = cpu_to_le16(E1_PREAMBLE);
1172 cmv.bDirection = E1_HOSTTOMODEM;
1173 cmv.bFunction = function;
1174 cmv.wIndex = cpu_to_le16(sc->cmv_dsc.e1.idx);
1175 put_unaligned_le32(address, &cmv.dwSymbolicAddress);
1176 cmv.wOffsetAddress = cpu_to_le16(offset);
1177 put_unaligned_le32(data >> 16 | data << 16, &cmv.dwData);
1178
1179 ret = uea_request(sc, UEA_E1_SET_BLOCK, UEA_MPTX_START,
1180 sizeof(cmv), &cmv);
1181 if (ret < 0)
1182 return ret;
1183 ret = wait_cmv_ack(sc);
1184 uea_leaves(INS_TO_USBDEV(sc));
1185 return ret;
1186 }
1187
1188 static int uea_cmv_e4(struct uea_softc *sc,
1189 u16 function, u16 group, u16 address, u16 offset, u32 data)
1190 {
1191 struct cmv_e4 cmv;
1192 int ret;
1193
1194 uea_enters(INS_TO_USBDEV(sc));
1195 memset(&cmv, 0, sizeof(cmv));
1196
1197 uea_vdbg(INS_TO_USBDEV(sc), "Function : %d-%d, Group : 0x%04x, "
1198 "Address : 0x%04x, offset : 0x%04x, data : 0x%08x\n",
1199 E4_FUNCTION_TYPE(function), E4_FUNCTION_SUBTYPE(function),
1200 group, address, offset, data);
1201
1202 /* we send a request, but we expect a reply */
1203 sc->cmv_dsc.e4.function = function | (0x1 << 4);
1204 sc->cmv_dsc.e4.offset = offset;
1205 sc->cmv_dsc.e4.address = address;
1206 sc->cmv_dsc.e4.group = group;
1207
1208 cmv.wFunction = cpu_to_be16(function);
1209 cmv.wGroup = cpu_to_be16(group);
1210 cmv.wAddress = cpu_to_be16(address);
1211 cmv.wOffset = cpu_to_be16(offset);
1212 cmv.dwData[0] = cpu_to_be32(data);
1213
1214 ret = uea_request(sc, UEA_E4_SET_BLOCK, UEA_MPTX_START,
1215 sizeof(cmv), &cmv);
1216 if (ret < 0)
1217 return ret;
1218 ret = wait_cmv_ack(sc);
1219 uea_leaves(INS_TO_USBDEV(sc));
1220 return ret;
1221 }
1222
1223 static inline int uea_read_cmv_e1(struct uea_softc *sc,
1224 u32 address, u16 offset, u32 *data)
1225 {
1226 int ret = uea_cmv_e1(sc, E1_MAKEFUNCTION(E1_MEMACCESS, E1_REQUESTREAD),
1227 address, offset, 0);
1228 if (ret < 0)
1229 uea_err(INS_TO_USBDEV(sc),
1230 "reading cmv failed with error %d\n", ret);
1231 else
1232 *data = sc->data;
1233
1234 return ret;
1235 }
1236
1237 static inline int uea_read_cmv_e4(struct uea_softc *sc,
1238 u8 size, u16 group, u16 address, u16 offset, u32 *data)
1239 {
1240 int ret = uea_cmv_e4(sc, E4_MAKEFUNCTION(E4_MEMACCESS,
1241 E4_REQUESTREAD, size),
1242 group, address, offset, 0);
1243 if (ret < 0)
1244 uea_err(INS_TO_USBDEV(sc),
1245 "reading cmv failed with error %d\n", ret);
1246 else {
1247 *data = sc->data;
1248 /* size is in 16-bit word quantities */
1249 if (size > 2)
1250 *(data + 1) = sc->data1;
1251 }
1252 return ret;
1253 }
1254
1255 static inline int uea_write_cmv_e1(struct uea_softc *sc,
1256 u32 address, u16 offset, u32 data)
1257 {
1258 int ret = uea_cmv_e1(sc, E1_MAKEFUNCTION(E1_MEMACCESS, E1_REQUESTWRITE),
1259 address, offset, data);
1260 if (ret < 0)
1261 uea_err(INS_TO_USBDEV(sc),
1262 "writing cmv failed with error %d\n", ret);
1263
1264 return ret;
1265 }
1266
1267 static inline int uea_write_cmv_e4(struct uea_softc *sc,
1268 u8 size, u16 group, u16 address, u16 offset, u32 data)
1269 {
1270 int ret = uea_cmv_e4(sc, E4_MAKEFUNCTION(E4_MEMACCESS,
1271 E4_REQUESTWRITE, size),
1272 group, address, offset, data);
1273 if (ret < 0)
1274 uea_err(INS_TO_USBDEV(sc),
1275 "writing cmv failed with error %d\n", ret);
1276
1277 return ret;
1278 }
1279
1280 static void uea_set_bulk_timeout(struct uea_softc *sc, u32 dsrate)
1281 {
1282 int ret;
1283 u16 timeout;
1284
1285 /* in bulk mode the modem have problem with high rate
1286 * changing internal timing could improve things, but the
1287 * value is misterious.
1288 * ADI930 don't support it (-EPIPE error).
1289 */
1290
1291 if (UEA_CHIP_VERSION(sc) == ADI930 ||
1292 altsetting[sc->modem_index] > 0 ||
1293 sc->stats.phy.dsrate == dsrate)
1294 return;
1295
1296 /* Original timming (1Mbit/s) from ADI (used in windows driver) */
1297 timeout = (dsrate <= 1024*1024) ? 0 : 1;
1298 ret = uea_request(sc, UEA_SET_TIMEOUT, timeout, 0, NULL);
1299 uea_info(INS_TO_USBDEV(sc), "setting new timeout %d%s\n",
1300 timeout, ret < 0 ? " failed" : "");
1301
1302 }
1303
1304 /*
1305 * Monitor the modem and update the stat
1306 * return 0 if everything is ok
1307 * return < 0 if an error occurs (-EAGAIN reboot needed)
1308 */
1309 static int uea_stat_e1(struct uea_softc *sc)
1310 {
1311 u32 data;
1312 int ret;
1313
1314 uea_enters(INS_TO_USBDEV(sc));
1315 data = sc->stats.phy.state;
1316
1317 ret = uea_read_cmv_e1(sc, E1_SA_STAT, 0, &sc->stats.phy.state);
1318 if (ret < 0)
1319 return ret;
1320
1321 switch (GET_STATUS(sc->stats.phy.state)) {
1322 case 0: /* not yet synchronized */
1323 uea_dbg(INS_TO_USBDEV(sc),
1324 "modem not yet synchronized\n");
1325 return 0;
1326
1327 case 1: /* initialization */
1328 uea_dbg(INS_TO_USBDEV(sc), "modem initializing\n");
1329 return 0;
1330
1331 case 2: /* operational */
1332 uea_vdbg(INS_TO_USBDEV(sc), "modem operational\n");
1333 break;
1334
1335 case 3: /* fail ... */
1336 uea_info(INS_TO_USBDEV(sc), "modem synchronization failed"
1337 " (may be try other cmv/dsp)\n");
1338 return -EAGAIN;
1339
1340 case 4 ... 6: /* test state */
1341 uea_warn(INS_TO_USBDEV(sc),
1342 "modem in test mode - not supported\n");
1343 return -EAGAIN;
1344
1345 case 7: /* fast-retain ... */
1346 uea_info(INS_TO_USBDEV(sc), "modem in fast-retain mode\n");
1347 return 0;
1348 default:
1349 uea_err(INS_TO_USBDEV(sc), "modem invalid SW mode %d\n",
1350 GET_STATUS(sc->stats.phy.state));
1351 return -EAGAIN;
1352 }
1353
1354 if (GET_STATUS(data) != 2) {
1355 uea_request(sc, UEA_SET_MODE, UEA_LOOPBACK_OFF, 0, NULL);
1356 uea_info(INS_TO_USBDEV(sc), "modem operational\n");
1357
1358 /* release the dsp firmware as it is not needed until
1359 * the next failure
1360 */
1361 if (sc->dsp_firm) {
1362 release_firmware(sc->dsp_firm);
1363 sc->dsp_firm = NULL;
1364 }
1365 }
1366
1367 /* always update it as atm layer could not be init when we switch to
1368 * operational state
1369 */
1370 UPDATE_ATM_SIGNAL(ATM_PHY_SIG_FOUND);
1371
1372 /* wake up processes waiting for synchronization */
1373 wake_up(&sc->sync_q);
1374
1375 ret = uea_read_cmv_e1(sc, E1_SA_DIAG, 2, &sc->stats.phy.flags);
1376 if (ret < 0)
1377 return ret;
1378 sc->stats.phy.mflags |= sc->stats.phy.flags;
1379
1380 /* in case of a flags ( for example delineation LOSS (& 0x10)),
1381 * we check the status again in order to detect the failure earlier
1382 */
1383 if (sc->stats.phy.flags) {
1384 uea_dbg(INS_TO_USBDEV(sc), "Stat flag = 0x%x\n",
1385 sc->stats.phy.flags);
1386 return 0;
1387 }
1388
1389 ret = uea_read_cmv_e1(sc, E1_SA_RATE, 0, &data);
1390 if (ret < 0)
1391 return ret;
1392
1393 uea_set_bulk_timeout(sc, (data >> 16) * 32);
1394 sc->stats.phy.dsrate = (data >> 16) * 32;
1395 sc->stats.phy.usrate = (data & 0xffff) * 32;
1396 UPDATE_ATM_STAT(link_rate, sc->stats.phy.dsrate * 1000 / 424);
1397
1398 ret = uea_read_cmv_e1(sc, E1_SA_DIAG, 23, &data);
1399 if (ret < 0)
1400 return ret;
1401 sc->stats.phy.dsattenuation = (data & 0xff) / 2;
1402
1403 ret = uea_read_cmv_e1(sc, E1_SA_DIAG, 47, &data);
1404 if (ret < 0)
1405 return ret;
1406 sc->stats.phy.usattenuation = (data & 0xff) / 2;
1407
1408 ret = uea_read_cmv_e1(sc, E1_SA_DIAG, 25, &sc->stats.phy.dsmargin);
1409 if (ret < 0)
1410 return ret;
1411
1412 ret = uea_read_cmv_e1(sc, E1_SA_DIAG, 49, &sc->stats.phy.usmargin);
1413 if (ret < 0)
1414 return ret;
1415
1416 ret = uea_read_cmv_e1(sc, E1_SA_DIAG, 51, &sc->stats.phy.rxflow);
1417 if (ret < 0)
1418 return ret;
1419
1420 ret = uea_read_cmv_e1(sc, E1_SA_DIAG, 52, &sc->stats.phy.txflow);
1421 if (ret < 0)
1422 return ret;
1423
1424 ret = uea_read_cmv_e1(sc, E1_SA_DIAG, 54, &sc->stats.phy.dsunc);
1425 if (ret < 0)
1426 return ret;
1427
1428 /* only for atu-c */
1429 ret = uea_read_cmv_e1(sc, E1_SA_DIAG, 58, &sc->stats.phy.usunc);
1430 if (ret < 0)
1431 return ret;
1432
1433 ret = uea_read_cmv_e1(sc, E1_SA_DIAG, 53, &sc->stats.phy.dscorr);
1434 if (ret < 0)
1435 return ret;
1436
1437 /* only for atu-c */
1438 ret = uea_read_cmv_e1(sc, E1_SA_DIAG, 57, &sc->stats.phy.uscorr);
1439 if (ret < 0)
1440 return ret;
1441
1442 ret = uea_read_cmv_e1(sc, E1_SA_INFO, 8, &sc->stats.phy.vidco);
1443 if (ret < 0)
1444 return ret;
1445
1446 ret = uea_read_cmv_e1(sc, E1_SA_INFO, 13, &sc->stats.phy.vidcpe);
1447 if (ret < 0)
1448 return ret;
1449
1450 return 0;
1451 }
1452
1453 static int uea_stat_e4(struct uea_softc *sc)
1454 {
1455 u32 data;
1456 u32 tmp_arr[2];
1457 int ret;
1458
1459 uea_enters(INS_TO_USBDEV(sc));
1460 data = sc->stats.phy.state;
1461
1462 /* XXX only need to be done before operationnal... */
1463 ret = uea_read_cmv_e4(sc, 1, E4_SA_STAT, 0, 0, &sc->stats.phy.state);
1464 if (ret < 0)
1465 return ret;
1466
1467 switch (sc->stats.phy.state) {
1468 case 0x0: /* not yet synchronized */
1469 case 0x1:
1470 case 0x3:
1471 case 0x4:
1472 uea_dbg(INS_TO_USBDEV(sc), "modem not yet "
1473 "synchronized\n");
1474 return 0;
1475 case 0x5: /* initialization */
1476 case 0x6:
1477 case 0x9:
1478 case 0xa:
1479 uea_dbg(INS_TO_USBDEV(sc), "modem initializing\n");
1480 return 0;
1481 case 0x2: /* fail ... */
1482 uea_info(INS_TO_USBDEV(sc), "modem synchronization "
1483 "failed (may be try other cmv/dsp)\n");
1484 return -EAGAIN;
1485 case 0x7: /* operational */
1486 break;
1487 default:
1488 uea_warn(INS_TO_USBDEV(sc), "unknown state: %x\n",
1489 sc->stats.phy.state);
1490 return 0;
1491 }
1492
1493 if (data != 7) {
1494 uea_request(sc, UEA_SET_MODE, UEA_LOOPBACK_OFF, 0, NULL);
1495 uea_info(INS_TO_USBDEV(sc), "modem operational\n");
1496
1497 /* release the dsp firmware as it is not needed until
1498 * the next failure
1499 */
1500 if (sc->dsp_firm) {
1501 release_firmware(sc->dsp_firm);
1502 sc->dsp_firm = NULL;
1503 }
1504 }
1505
1506 /* always update it as atm layer could not be init when we switch to
1507 * operational state
1508 */
1509 UPDATE_ATM_SIGNAL(ATM_PHY_SIG_FOUND);
1510
1511 /* wake up processes waiting for synchronization */
1512 wake_up(&sc->sync_q);
1513
1514 /* TODO improve this state machine :
1515 * we need some CMV info : what they do and their unit
1516 * we should find the equivalent of eagle3- CMV
1517 */
1518 /* check flags */
1519 ret = uea_read_cmv_e4(sc, 1, E4_SA_DIAG, 0, 0, &sc->stats.phy.flags);
1520 if (ret < 0)
1521 return ret;
1522 sc->stats.phy.mflags |= sc->stats.phy.flags;
1523
1524 /* in case of a flags ( for example delineation LOSS (& 0x10)),
1525 * we check the status again in order to detect the failure earlier
1526 */
1527 if (sc->stats.phy.flags) {
1528 uea_dbg(INS_TO_USBDEV(sc), "Stat flag = 0x%x\n",
1529 sc->stats.phy.flags);
1530 if (sc->stats.phy.flags & 1) /* delineation LOSS */
1531 return -EAGAIN;
1532 if (sc->stats.phy.flags & 0x4000) /* Reset Flag */
1533 return -EAGAIN;
1534 return 0;
1535 }
1536
1537 /* rate data may be in upper or lower half of 64 bit word, strange */
1538 ret = uea_read_cmv_e4(sc, 4, E4_SA_RATE, 0, 0, tmp_arr);
1539 if (ret < 0)
1540 return ret;
1541 data = (tmp_arr[0]) ? tmp_arr[0] : tmp_arr[1];
1542 sc->stats.phy.usrate = data / 1000;
1543
1544 ret = uea_read_cmv_e4(sc, 4, E4_SA_RATE, 1, 0, tmp_arr);
1545 if (ret < 0)
1546 return ret;
1547 data = (tmp_arr[0]) ? tmp_arr[0] : tmp_arr[1];
1548 uea_set_bulk_timeout(sc, data / 1000);
1549 sc->stats.phy.dsrate = data / 1000;
1550 UPDATE_ATM_STAT(link_rate, sc->stats.phy.dsrate * 1000 / 424);
1551
1552 ret = uea_read_cmv_e4(sc, 1, E4_SA_INFO, 68, 1, &data);
1553 if (ret < 0)
1554 return ret;
1555 sc->stats.phy.dsattenuation = data / 10;
1556
1557 ret = uea_read_cmv_e4(sc, 1, E4_SA_INFO, 69, 1, &data);
1558 if (ret < 0)
1559 return ret;
1560 sc->stats.phy.usattenuation = data / 10;
1561
1562 ret = uea_read_cmv_e4(sc, 1, E4_SA_INFO, 68, 3, &data);
1563 if (ret < 0)
1564 return ret;
1565 sc->stats.phy.dsmargin = data / 2;
1566
1567 ret = uea_read_cmv_e4(sc, 1, E4_SA_INFO, 69, 3, &data);
1568 if (ret < 0)
1569 return ret;
1570 sc->stats.phy.usmargin = data / 10;
1571
1572 return 0;
1573 }
1574
1575 static void cmvs_file_name(struct uea_softc *sc, char *const cmv_name, int ver)
1576 {
1577 char file_arr[] = "CMVxy.bin";
1578 char *file;
1579
1580 kparam_block_sysfs_write(cmv_file);
1581 /* set proper name corresponding modem version and line type */
1582 if (cmv_file[sc->modem_index] == NULL) {
1583 if (UEA_CHIP_VERSION(sc) == ADI930)
1584 file_arr[3] = '9';
1585 else if (UEA_CHIP_VERSION(sc) == EAGLE_IV)
1586 file_arr[3] = '4';
1587 else
1588 file_arr[3] = 'e';
1589
1590 file_arr[4] = IS_ISDN(sc) ? 'i' : 'p';
1591 file = file_arr;
1592 } else
1593 file = cmv_file[sc->modem_index];
1594
1595 strcpy(cmv_name, FW_DIR);
1596 strlcat(cmv_name, file, UEA_FW_NAME_MAX);
1597 if (ver == 2)
1598 strlcat(cmv_name, ".v2", UEA_FW_NAME_MAX);
1599 kparam_unblock_sysfs_write(cmv_file);
1600 }
1601
1602 static int request_cmvs_old(struct uea_softc *sc,
1603 void **cmvs, const struct firmware **fw)
1604 {
1605 int ret, size;
1606 u8 *data;
1607 char cmv_name[UEA_FW_NAME_MAX]; /* 30 bytes stack variable */
1608
1609 cmvs_file_name(sc, cmv_name, 1);
1610 ret = request_firmware(fw, cmv_name, &sc->usb_dev->dev);
1611 if (ret < 0) {
1612 uea_err(INS_TO_USBDEV(sc),
1613 "requesting firmware %s failed with error %d\n",
1614 cmv_name, ret);
1615 return ret;
1616 }
1617
1618 data = (u8 *) (*fw)->data;
1619 size = (*fw)->size;
1620 if (size < 1)
1621 goto err_fw_corrupted;
1622
1623 if (size != *data * sizeof(struct uea_cmvs_v1) + 1)
1624 goto err_fw_corrupted;
1625
1626 *cmvs = (void *)(data + 1);
1627 return *data;
1628
1629 err_fw_corrupted:
1630 uea_err(INS_TO_USBDEV(sc), "firmware %s is corrupted\n", cmv_name);
1631 release_firmware(*fw);
1632 return -EILSEQ;
1633 }
1634
1635 static int request_cmvs(struct uea_softc *sc,
1636 void **cmvs, const struct firmware **fw, int *ver)
1637 {
1638 int ret, size;
1639 u32 crc;
1640 u8 *data;
1641 char cmv_name[UEA_FW_NAME_MAX]; /* 30 bytes stack variable */
1642
1643 cmvs_file_name(sc, cmv_name, 2);
1644 ret = request_firmware(fw, cmv_name, &sc->usb_dev->dev);
1645 if (ret < 0) {
1646 /* if caller can handle old version, try to provide it */
1647 if (*ver == 1) {
1648 uea_warn(INS_TO_USBDEV(sc), "requesting "
1649 "firmware %s failed, "
1650 "try to get older cmvs\n", cmv_name);
1651 return request_cmvs_old(sc, cmvs, fw);
1652 }
1653 uea_err(INS_TO_USBDEV(sc),
1654 "requesting firmware %s failed with error %d\n",
1655 cmv_name, ret);
1656 return ret;
1657 }
1658
1659 size = (*fw)->size;
1660 data = (u8 *) (*fw)->data;
1661 if (size < 4 || strncmp(data, "cmv2", 4) != 0) {
1662 if (*ver == 1) {
1663 uea_warn(INS_TO_USBDEV(sc), "firmware %s is corrupted,"
1664 " try to get older cmvs\n", cmv_name);
1665 release_firmware(*fw);
1666 return request_cmvs_old(sc, cmvs, fw);
1667 }
1668 goto err_fw_corrupted;
1669 }
1670
1671 *ver = 2;
1672
1673 data += 4;
1674 size -= 4;
1675 if (size < 5)
1676 goto err_fw_corrupted;
1677
1678 crc = get_unaligned_le32(data);
1679 data += 4;
1680 size -= 4;
1681 if (crc32_be(0, data, size) != crc)
1682 goto err_fw_corrupted;
1683
1684 if (size != *data * sizeof(struct uea_cmvs_v2) + 1)
1685 goto err_fw_corrupted;
1686
1687 *cmvs = (void *) (data + 1);
1688 return *data;
1689
1690 err_fw_corrupted:
1691 uea_err(INS_TO_USBDEV(sc), "firmware %s is corrupted\n", cmv_name);
1692 release_firmware(*fw);
1693 return -EILSEQ;
1694 }
1695
1696 static int uea_send_cmvs_e1(struct uea_softc *sc)
1697 {
1698 int i, ret, len;
1699 void *cmvs_ptr;
1700 const struct firmware *cmvs_fw;
1701 int ver = 1; /* we can handle v1 cmv firmware version; */
1702
1703 /* Enter in R-IDLE (cmv) until instructed otherwise */
1704 ret = uea_write_cmv_e1(sc, E1_SA_CNTL, 0, 1);
1705 if (ret < 0)
1706 return ret;
1707
1708 /* Dump firmware version */
1709 ret = uea_read_cmv_e1(sc, E1_SA_INFO, 10, &sc->stats.phy.firmid);
1710 if (ret < 0)
1711 return ret;
1712 uea_info(INS_TO_USBDEV(sc), "ATU-R firmware version : %x\n",
1713 sc->stats.phy.firmid);
1714
1715 /* get options */
1716 ret = len = request_cmvs(sc, &cmvs_ptr, &cmvs_fw, &ver);
1717 if (ret < 0)
1718 return ret;
1719
1720 /* send options */
1721 if (ver == 1) {
1722 struct uea_cmvs_v1 *cmvs_v1 = cmvs_ptr;
1723
1724 uea_warn(INS_TO_USBDEV(sc), "use deprecated cmvs version, "
1725 "please update your firmware\n");
1726
1727 for (i = 0; i < len; i++) {
1728 ret = uea_write_cmv_e1(sc,
1729 get_unaligned_le32(&cmvs_v1[i].address),
1730 get_unaligned_le16(&cmvs_v1[i].offset),
1731 get_unaligned_le32(&cmvs_v1[i].data));
1732 if (ret < 0)
1733 goto out;
1734 }
1735 } else if (ver == 2) {
1736 struct uea_cmvs_v2 *cmvs_v2 = cmvs_ptr;
1737
1738 for (i = 0; i < len; i++) {
1739 ret = uea_write_cmv_e1(sc,
1740 get_unaligned_le32(&cmvs_v2[i].address),
1741 (u16) get_unaligned_le32(&cmvs_v2[i].offset),
1742 get_unaligned_le32(&cmvs_v2[i].data));
1743 if (ret < 0)
1744 goto out;
1745 }
1746 } else {
1747 /* This realy should not happen */
1748 uea_err(INS_TO_USBDEV(sc), "bad cmvs version %d\n", ver);
1749 goto out;
1750 }
1751
1752 /* Enter in R-ACT-REQ */
1753 ret = uea_write_cmv_e1(sc, E1_SA_CNTL, 0, 2);
1754 uea_vdbg(INS_TO_USBDEV(sc), "Entering in R-ACT-REQ state\n");
1755 uea_info(INS_TO_USBDEV(sc), "modem started, waiting "
1756 "synchronization...\n");
1757 out:
1758 release_firmware(cmvs_fw);
1759 return ret;
1760 }
1761
1762 static int uea_send_cmvs_e4(struct uea_softc *sc)
1763 {
1764 int i, ret, len;
1765 void *cmvs_ptr;
1766 const struct firmware *cmvs_fw;
1767 int ver = 2; /* we can only handle v2 cmv firmware version; */
1768
1769 /* Enter in R-IDLE (cmv) until instructed otherwise */
1770 ret = uea_write_cmv_e4(sc, 1, E4_SA_CNTL, 0, 0, 1);
1771 if (ret < 0)
1772 return ret;
1773
1774 /* Dump firmware version */
1775 /* XXX don't read the 3th byte as it is always 6 */
1776 ret = uea_read_cmv_e4(sc, 2, E4_SA_INFO, 55, 0, &sc->stats.phy.firmid);
1777 if (ret < 0)
1778 return ret;
1779 uea_info(INS_TO_USBDEV(sc), "ATU-R firmware version : %x\n",
1780 sc->stats.phy.firmid);
1781
1782
1783 /* get options */
1784 ret = len = request_cmvs(sc, &cmvs_ptr, &cmvs_fw, &ver);
1785 if (ret < 0)
1786 return ret;
1787
1788 /* send options */
1789 if (ver == 2) {
1790 struct uea_cmvs_v2 *cmvs_v2 = cmvs_ptr;
1791
1792 for (i = 0; i < len; i++) {
1793 ret = uea_write_cmv_e4(sc, 1,
1794 get_unaligned_le32(&cmvs_v2[i].group),
1795 get_unaligned_le32(&cmvs_v2[i].address),
1796 get_unaligned_le32(&cmvs_v2[i].offset),
1797 get_unaligned_le32(&cmvs_v2[i].data));
1798 if (ret < 0)
1799 goto out;
1800 }
1801 } else {
1802 /* This realy should not happen */
1803 uea_err(INS_TO_USBDEV(sc), "bad cmvs version %d\n", ver);
1804 goto out;
1805 }
1806
1807 /* Enter in R-ACT-REQ */
1808 ret = uea_write_cmv_e4(sc, 1, E4_SA_CNTL, 0, 0, 2);
1809 uea_vdbg(INS_TO_USBDEV(sc), "Entering in R-ACT-REQ state\n");
1810 uea_info(INS_TO_USBDEV(sc), "modem started, waiting "
1811 "synchronization...\n");
1812 out:
1813 release_firmware(cmvs_fw);
1814 return ret;
1815 }
1816
1817 /* Start boot post firmware modem:
1818 * - send reset commands through usb control pipe
1819 * - start workqueue for DSP loading
1820 * - send CMV options to modem
1821 */
1822
1823 static int uea_start_reset(struct uea_softc *sc)
1824 {
1825 u16 zero = 0; /* ;-) */
1826 int ret;
1827
1828 uea_enters(INS_TO_USBDEV(sc));
1829 uea_info(INS_TO_USBDEV(sc), "(re)booting started\n");
1830
1831 /* mask interrupt */
1832 sc->booting = 1;
1833 /* We need to set this here because, a ack timeout could have occured,
1834 * but before we start the reboot, the ack occurs and set this to 1.
1835 * So we will failed to wait Ready CMV.
1836 */
1837 sc->cmv_ack = 0;
1838 UPDATE_ATM_SIGNAL(ATM_PHY_SIG_LOST);
1839
1840 /* reset statistics */
1841 memset(&sc->stats, 0, sizeof(struct uea_stats));
1842
1843 /* tell the modem that we want to boot in IDMA mode */
1844 uea_request(sc, UEA_SET_MODE, UEA_LOOPBACK_ON, 0, NULL);
1845 uea_request(sc, UEA_SET_MODE, UEA_BOOT_IDMA, 0, NULL);
1846
1847 /* enter reset mode */
1848 uea_request(sc, UEA_SET_MODE, UEA_START_RESET, 0, NULL);
1849
1850 /* original driver use 200ms, but windows driver use 100ms */
1851 ret = uea_wait(sc, 0, msecs_to_jiffies(100));
1852 if (ret < 0)
1853 return ret;
1854
1855 /* leave reset mode */
1856 uea_request(sc, UEA_SET_MODE, UEA_END_RESET, 0, NULL);
1857
1858 if (UEA_CHIP_VERSION(sc) != EAGLE_IV) {
1859 /* clear tx and rx mailboxes */
1860 uea_request(sc, UEA_SET_2183_DATA, UEA_MPTX_MAILBOX, 2, &zero);
1861 uea_request(sc, UEA_SET_2183_DATA, UEA_MPRX_MAILBOX, 2, &zero);
1862 uea_request(sc, UEA_SET_2183_DATA, UEA_SWAP_MAILBOX, 2, &zero);
1863 }
1864
1865 ret = uea_wait(sc, 0, msecs_to_jiffies(1000));
1866 if (ret < 0)
1867 return ret;
1868
1869 if (UEA_CHIP_VERSION(sc) == EAGLE_IV)
1870 sc->cmv_dsc.e4.function = E4_MAKEFUNCTION(E4_ADSLDIRECTIVE,
1871 E4_MODEMREADY, 1);
1872 else
1873 sc->cmv_dsc.e1.function = E1_MAKEFUNCTION(E1_ADSLDIRECTIVE,
1874 E1_MODEMREADY);
1875
1876 /* demask interrupt */
1877 sc->booting = 0;
1878
1879 /* start loading DSP */
1880 sc->pageno = 0;
1881 sc->ovl = 0;
1882 queue_work(sc->work_q, &sc->task);
1883
1884 /* wait for modem ready CMV */
1885 ret = wait_cmv_ack(sc);
1886 if (ret < 0)
1887 return ret;
1888
1889 uea_vdbg(INS_TO_USBDEV(sc), "Ready CMV received\n");
1890
1891 ret = sc->send_cmvs(sc);
1892 if (ret < 0)
1893 return ret;
1894
1895 sc->reset = 0;
1896 uea_leaves(INS_TO_USBDEV(sc));
1897 return ret;
1898 }
1899
1900 /*
1901 * In case of an error wait 1s before rebooting the modem
1902 * if the modem don't request reboot (-EAGAIN).
1903 * Monitor the modem every 1s.
1904 */
1905
1906 static int uea_kthread(void *data)
1907 {
1908 struct uea_softc *sc = data;
1909 int ret = -EAGAIN;
1910
1911 set_freezable();
1912 uea_enters(INS_TO_USBDEV(sc));
1913 while (!kthread_should_stop()) {
1914 if (ret < 0 || sc->reset)
1915 ret = uea_start_reset(sc);
1916 if (!ret)
1917 ret = sc->stat(sc);
1918 if (ret != -EAGAIN)
1919 uea_wait(sc, 0, msecs_to_jiffies(1000));
1920 try_to_freeze();
1921 }
1922 uea_leaves(INS_TO_USBDEV(sc));
1923 return ret;
1924 }
1925
1926 /* Load second usb firmware for ADI930 chip */
1927 static int load_XILINX_firmware(struct uea_softc *sc)
1928 {
1929 const struct firmware *fw_entry;
1930 int ret, size, u, ln;
1931 const u8 *pfw;
1932 u8 value;
1933 char *fw_name = FW_DIR "930-fpga.bin";
1934
1935 uea_enters(INS_TO_USBDEV(sc));
1936
1937 ret = request_firmware(&fw_entry, fw_name, &sc->usb_dev->dev);
1938 if (ret) {
1939 uea_err(INS_TO_USBDEV(sc), "firmware %s is not available\n",
1940 fw_name);
1941 goto err0;
1942 }
1943
1944 pfw = fw_entry->data;
1945 size = fw_entry->size;
1946 if (size != 0x577B) {
1947 uea_err(INS_TO_USBDEV(sc), "firmware %s is corrupted\n",
1948 fw_name);
1949 ret = -EILSEQ;
1950 goto err1;
1951 }
1952 for (u = 0; u < size; u += ln) {
1953 ln = min(size - u, 64);
1954 ret = uea_request(sc, 0xe, 0, ln, pfw + u);
1955 if (ret < 0) {
1956 uea_err(INS_TO_USBDEV(sc),
1957 "elsa download data failed (%d)\n", ret);
1958 goto err1;
1959 }
1960 }
1961
1962 /* finish to send the fpga */
1963 ret = uea_request(sc, 0xe, 1, 0, NULL);
1964 if (ret < 0) {
1965 uea_err(INS_TO_USBDEV(sc),
1966 "elsa download data failed (%d)\n", ret);
1967 goto err1;
1968 }
1969
1970 /* Tell the modem we finish : de-assert reset */
1971 value = 0;
1972 ret = uea_send_modem_cmd(sc->usb_dev, 0xe, 1, &value);
1973 if (ret < 0)
1974 uea_err(sc->usb_dev, "elsa de-assert failed with error"
1975 " %d\n", ret);
1976
1977 err1:
1978 release_firmware(fw_entry);
1979 err0:
1980 uea_leaves(INS_TO_USBDEV(sc));
1981 return ret;
1982 }
1983
1984 /* The modem send us an ack. First with check if it right */
1985 static void uea_dispatch_cmv_e1(struct uea_softc *sc, struct intr_pkt *intr)
1986 {
1987 struct cmv_dsc_e1 *dsc = &sc->cmv_dsc.e1;
1988 struct cmv_e1 *cmv = &intr->u.e1.s2.cmv;
1989
1990 uea_enters(INS_TO_USBDEV(sc));
1991 if (le16_to_cpu(cmv->wPreamble) != E1_PREAMBLE)
1992 goto bad1;
1993
1994 if (cmv->bDirection != E1_MODEMTOHOST)
1995 goto bad1;
1996
1997 /* FIXME : ADI930 reply wrong preambule (func = 2, sub = 2) to
1998 * the first MEMACCESS cmv. Ignore it...
1999 */
2000 if (cmv->bFunction != dsc->function) {
2001 if (UEA_CHIP_VERSION(sc) == ADI930
2002 && cmv->bFunction == E1_MAKEFUNCTION(2, 2)) {
2003 cmv->wIndex = cpu_to_le16(dsc->idx);
2004 put_unaligned_le32(dsc->address,
2005 &cmv->dwSymbolicAddress);
2006 cmv->wOffsetAddress = cpu_to_le16(dsc->offset);
2007 } else
2008 goto bad2;
2009 }
2010
2011 if (cmv->bFunction == E1_MAKEFUNCTION(E1_ADSLDIRECTIVE,
2012 E1_MODEMREADY)) {
2013 wake_up_cmv_ack(sc);
2014 uea_leaves(INS_TO_USBDEV(sc));
2015 return;
2016 }
2017
2018 /* in case of MEMACCESS */
2019 if (le16_to_cpu(cmv->wIndex) != dsc->idx ||
2020 get_unaligned_le32(&cmv->dwSymbolicAddress) != dsc->address ||
2021 le16_to_cpu(cmv->wOffsetAddress) != dsc->offset)
2022 goto bad2;
2023
2024 sc->data = get_unaligned_le32(&cmv->dwData);
2025 sc->data = sc->data << 16 | sc->data >> 16;
2026
2027 wake_up_cmv_ack(sc);
2028 uea_leaves(INS_TO_USBDEV(sc));
2029 return;
2030
2031 bad2:
2032 uea_err(INS_TO_USBDEV(sc), "unexpected cmv received, "
2033 "Function : %d, Subfunction : %d\n",
2034 E1_FUNCTION_TYPE(cmv->bFunction),
2035 E1_FUNCTION_SUBTYPE(cmv->bFunction));
2036 uea_leaves(INS_TO_USBDEV(sc));
2037 return;
2038
2039 bad1:
2040 uea_err(INS_TO_USBDEV(sc), "invalid cmv received, "
2041 "wPreamble %d, bDirection %d\n",
2042 le16_to_cpu(cmv->wPreamble), cmv->bDirection);
2043 uea_leaves(INS_TO_USBDEV(sc));
2044 }
2045
2046 /* The modem send us an ack. First with check if it right */
2047 static void uea_dispatch_cmv_e4(struct uea_softc *sc, struct intr_pkt *intr)
2048 {
2049 struct cmv_dsc_e4 *dsc = &sc->cmv_dsc.e4;
2050 struct cmv_e4 *cmv = &intr->u.e4.s2.cmv;
2051
2052 uea_enters(INS_TO_USBDEV(sc));
2053 uea_dbg(INS_TO_USBDEV(sc), "cmv %x %x %x %x %x %x\n",
2054 be16_to_cpu(cmv->wGroup), be16_to_cpu(cmv->wFunction),
2055 be16_to_cpu(cmv->wOffset), be16_to_cpu(cmv->wAddress),
2056 be32_to_cpu(cmv->dwData[0]), be32_to_cpu(cmv->dwData[1]));
2057
2058 if (be16_to_cpu(cmv->wFunction) != dsc->function)
2059 goto bad2;
2060
2061 if (be16_to_cpu(cmv->wFunction) == E4_MAKEFUNCTION(E4_ADSLDIRECTIVE,
2062 E4_MODEMREADY, 1)) {
2063 wake_up_cmv_ack(sc);
2064 uea_leaves(INS_TO_USBDEV(sc));
2065 return;
2066 }
2067
2068 /* in case of MEMACCESS */
2069 if (be16_to_cpu(cmv->wOffset) != dsc->offset ||
2070 be16_to_cpu(cmv->wGroup) != dsc->group ||
2071 be16_to_cpu(cmv->wAddress) != dsc->address)
2072 goto bad2;
2073
2074 sc->data = be32_to_cpu(cmv->dwData[0]);
2075 sc->data1 = be32_to_cpu(cmv->dwData[1]);
2076 wake_up_cmv_ack(sc);
2077 uea_leaves(INS_TO_USBDEV(sc));
2078 return;
2079
2080 bad2:
2081 uea_err(INS_TO_USBDEV(sc), "unexpected cmv received, "
2082 "Function : %d, Subfunction : %d\n",
2083 E4_FUNCTION_TYPE(cmv->wFunction),
2084 E4_FUNCTION_SUBTYPE(cmv->wFunction));
2085 uea_leaves(INS_TO_USBDEV(sc));
2086 return;
2087 }
2088
2089 static void uea_schedule_load_page_e1(struct uea_softc *sc,
2090 struct intr_pkt *intr)
2091 {
2092 sc->pageno = intr->e1_bSwapPageNo;
2093 sc->ovl = intr->e1_bOvl >> 4 | intr->e1_bOvl << 4;
2094 queue_work(sc->work_q, &sc->task);
2095 }
2096
2097 static void uea_schedule_load_page_e4(struct uea_softc *sc,
2098 struct intr_pkt *intr)
2099 {
2100 sc->pageno = intr->e4_bSwapPageNo;
2101 queue_work(sc->work_q, &sc->task);
2102 }
2103
2104 /*
2105 * interrupt handler
2106 */
2107 static void uea_intr(struct urb *urb)
2108 {
2109 struct uea_softc *sc = urb->context;
2110 struct intr_pkt *intr = urb->transfer_buffer;
2111 int status = urb->status;
2112
2113 uea_enters(INS_TO_USBDEV(sc));
2114
2115 if (unlikely(status < 0)) {
2116 uea_err(INS_TO_USBDEV(sc), "uea_intr() failed with %d\n",
2117 status);
2118 return;
2119 }
2120
2121 /* device-to-host interrupt */
2122 if (intr->bType != 0x08 || sc->booting) {
2123 uea_err(INS_TO_USBDEV(sc), "wrong interrupt\n");
2124 goto resubmit;
2125 }
2126
2127 switch (le16_to_cpu(intr->wInterrupt)) {
2128 case INT_LOADSWAPPAGE:
2129 sc->schedule_load_page(sc, intr);
2130 break;
2131
2132 case INT_INCOMINGCMV:
2133 sc->dispatch_cmv(sc, intr);
2134 break;
2135
2136 default:
2137 uea_err(INS_TO_USBDEV(sc), "unknown interrupt %u\n",
2138 le16_to_cpu(intr->wInterrupt));
2139 }
2140
2141 resubmit:
2142 usb_submit_urb(sc->urb_int, GFP_ATOMIC);
2143 }
2144
2145 /*
2146 * Start the modem : init the data and start kernel thread
2147 */
2148 static int uea_boot(struct uea_softc *sc)
2149 {
2150 int ret, size;
2151 struct intr_pkt *intr;
2152
2153 uea_enters(INS_TO_USBDEV(sc));
2154
2155 if (UEA_CHIP_VERSION(sc) == EAGLE_IV) {
2156 size = E4_INTR_PKT_SIZE;
2157 sc->dispatch_cmv = uea_dispatch_cmv_e4;
2158 sc->schedule_load_page = uea_schedule_load_page_e4;
2159 sc->stat = uea_stat_e4;
2160 sc->send_cmvs = uea_send_cmvs_e4;
2161 INIT_WORK(&sc->task, uea_load_page_e4);
2162 } else {
2163 size = E1_INTR_PKT_SIZE;
2164 sc->dispatch_cmv = uea_dispatch_cmv_e1;
2165 sc->schedule_load_page = uea_schedule_load_page_e1;
2166 sc->stat = uea_stat_e1;
2167 sc->send_cmvs = uea_send_cmvs_e1;
2168 INIT_WORK(&sc->task, uea_load_page_e1);
2169 }
2170
2171 init_waitqueue_head(&sc->sync_q);
2172
2173 sc->work_q = create_workqueue("ueagle-dsp");
2174 if (!sc->work_q) {
2175 uea_err(INS_TO_USBDEV(sc), "cannot allocate workqueue\n");
2176 uea_leaves(INS_TO_USBDEV(sc));
2177 return -ENOMEM;
2178 }
2179
2180 if (UEA_CHIP_VERSION(sc) == ADI930)
2181 load_XILINX_firmware(sc);
2182
2183 intr = kmalloc(size, GFP_KERNEL);
2184 if (!intr) {
2185 uea_err(INS_TO_USBDEV(sc),
2186 "cannot allocate interrupt package\n");
2187 goto err0;
2188 }
2189
2190 sc->urb_int = usb_alloc_urb(0, GFP_KERNEL);
2191 if (!sc->urb_int) {
2192 uea_err(INS_TO_USBDEV(sc), "cannot allocate interrupt URB\n");
2193 goto err1;
2194 }
2195
2196 usb_fill_int_urb(sc->urb_int, sc->usb_dev,
2197 usb_rcvintpipe(sc->usb_dev, UEA_INTR_PIPE),
2198 intr, size, uea_intr, sc,
2199 sc->usb_dev->actconfig->interface[0]->altsetting[0].
2200 endpoint[0].desc.bInterval);
2201
2202 ret = usb_submit_urb(sc->urb_int, GFP_KERNEL);
2203 if (ret < 0) {
2204 uea_err(INS_TO_USBDEV(sc),
2205 "urb submition failed with error %d\n", ret);
2206 goto err1;
2207 }
2208
2209 /* Create worker thread, but don't start it here. Start it after
2210 * all usbatm generic initialization is done.
2211 */
2212 sc->kthread = kthread_create(uea_kthread, sc, "ueagle-atm");
2213 if (IS_ERR(sc->kthread)) {
2214 uea_err(INS_TO_USBDEV(sc), "failed to create thread\n");
2215 goto err2;
2216 }
2217
2218 uea_leaves(INS_TO_USBDEV(sc));
2219 return 0;
2220
2221 err2:
2222 usb_kill_urb(sc->urb_int);
2223 err1:
2224 usb_free_urb(sc->urb_int);
2225 sc->urb_int = NULL;
2226 kfree(intr);
2227 err0:
2228 destroy_workqueue(sc->work_q);
2229 uea_leaves(INS_TO_USBDEV(sc));
2230 return -ENOMEM;
2231 }
2232
2233 /*
2234 * Stop the modem : kill kernel thread and free data
2235 */
2236 static void uea_stop(struct uea_softc *sc)
2237 {
2238 int ret;
2239 uea_enters(INS_TO_USBDEV(sc));
2240 ret = kthread_stop(sc->kthread);
2241 uea_dbg(INS_TO_USBDEV(sc), "kthread finish with status %d\n", ret);
2242
2243 uea_request(sc, UEA_SET_MODE, UEA_LOOPBACK_ON, 0, NULL);
2244
2245 usb_kill_urb(sc->urb_int);
2246 kfree(sc->urb_int->transfer_buffer);
2247 usb_free_urb(sc->urb_int);
2248
2249 /* stop any pending boot process, when no one can schedule work */
2250 destroy_workqueue(sc->work_q);
2251
2252 if (sc->dsp_firm)
2253 release_firmware(sc->dsp_firm);
2254 uea_leaves(INS_TO_USBDEV(sc));
2255 }
2256
2257 /* syfs interface */
2258 static struct uea_softc *dev_to_uea(struct device *dev)
2259 {
2260 struct usb_interface *intf;
2261 struct usbatm_data *usbatm;
2262
2263 intf = to_usb_interface(dev);
2264 if (!intf)
2265 return NULL;
2266
2267 usbatm = usb_get_intfdata(intf);
2268 if (!usbatm)
2269 return NULL;
2270
2271 return usbatm->driver_data;
2272 }
2273
2274 static ssize_t read_status(struct device *dev, struct device_attribute *attr,
2275 char *buf)
2276 {
2277 int ret = -ENODEV;
2278 struct uea_softc *sc;
2279
2280 mutex_lock(&uea_mutex);
2281 sc = dev_to_uea(dev);
2282 if (!sc)
2283 goto out;
2284 ret = snprintf(buf, 10, "%08x\n", sc->stats.phy.state);
2285 out:
2286 mutex_unlock(&uea_mutex);
2287 return ret;
2288 }
2289
2290 static ssize_t reboot(struct device *dev, struct device_attribute *attr,
2291 const char *buf, size_t count)
2292 {
2293 int ret = -ENODEV;
2294 struct uea_softc *sc;
2295
2296 mutex_lock(&uea_mutex);
2297 sc = dev_to_uea(dev);
2298 if (!sc)
2299 goto out;
2300 sc->reset = 1;
2301 ret = count;
2302 out:
2303 mutex_unlock(&uea_mutex);
2304 return ret;
2305 }
2306
2307 static DEVICE_ATTR(stat_status, S_IWUSR | S_IRUGO, read_status, reboot);
2308
2309 static ssize_t read_human_status(struct device *dev,
2310 struct device_attribute *attr, char *buf)
2311 {
2312 int ret = -ENODEV;
2313 int modem_state;
2314 struct uea_softc *sc;
2315
2316 mutex_lock(&uea_mutex);
2317 sc = dev_to_uea(dev);
2318 if (!sc)
2319 goto out;
2320
2321 if (UEA_CHIP_VERSION(sc) == EAGLE_IV) {
2322 switch (sc->stats.phy.state) {
2323 case 0x0: /* not yet synchronized */
2324 case 0x1:
2325 case 0x3:
2326 case 0x4:
2327 modem_state = 0;
2328 break;
2329 case 0x5: /* initialization */
2330 case 0x6:
2331 case 0x9:
2332 case 0xa:
2333 modem_state = 1;
2334 break;
2335 case 0x7: /* operational */
2336 modem_state = 2;
2337 break;
2338 case 0x2: /* fail ... */
2339 modem_state = 3;
2340 break;
2341 default: /* unknown */
2342 modem_state = 4;
2343 break;
2344 }
2345 } else
2346 modem_state = GET_STATUS(sc->stats.phy.state);
2347
2348 switch (modem_state) {
2349 case 0:
2350 ret = sprintf(buf, "Modem is booting\n");
2351 break;
2352 case 1:
2353 ret = sprintf(buf, "Modem is initializing\n");
2354 break;
2355 case 2:
2356 ret = sprintf(buf, "Modem is operational\n");
2357 break;
2358 case 3:
2359 ret = sprintf(buf, "Modem synchronization failed\n");
2360 break;
2361 default:
2362 ret = sprintf(buf, "Modem state is unknown\n");
2363 break;
2364 }
2365 out:
2366 mutex_unlock(&uea_mutex);
2367 return ret;
2368 }
2369
2370 static DEVICE_ATTR(stat_human_status, S_IRUGO, read_human_status, NULL);
2371
2372 static ssize_t read_delin(struct device *dev, struct device_attribute *attr,
2373 char *buf)
2374 {
2375 int ret = -ENODEV;
2376 struct uea_softc *sc;
2377 char *delin = "GOOD";
2378
2379 mutex_lock(&uea_mutex);
2380 sc = dev_to_uea(dev);
2381 if (!sc)
2382 goto out;
2383
2384 if (UEA_CHIP_VERSION(sc) == EAGLE_IV) {
2385 if (sc->stats.phy.flags & 0x4000)
2386 delin = "RESET";
2387 else if (sc->stats.phy.flags & 0x0001)
2388 delin = "LOSS";
2389 } else {
2390 if (sc->stats.phy.flags & 0x0C00)
2391 delin = "ERROR";
2392 else if (sc->stats.phy.flags & 0x0030)
2393 delin = "LOSS";
2394 }
2395
2396 ret = sprintf(buf, "%s\n", delin);
2397 out:
2398 mutex_unlock(&uea_mutex);
2399 return ret;
2400 }
2401
2402 static DEVICE_ATTR(stat_delin, S_IRUGO, read_delin, NULL);
2403
2404 #define UEA_ATTR(name, reset) \
2405 \
2406 static ssize_t read_##name(struct device *dev, \
2407 struct device_attribute *attr, char *buf) \
2408 { \
2409 int ret = -ENODEV; \
2410 struct uea_softc *sc; \
2411 \
2412 mutex_lock(&uea_mutex); \
2413 sc = dev_to_uea(dev); \
2414 if (!sc) \
2415 goto out; \
2416 ret = snprintf(buf, 10, "%08x\n", sc->stats.phy.name); \
2417 if (reset) \
2418 sc->stats.phy.name = 0; \
2419 out: \
2420 mutex_unlock(&uea_mutex); \
2421 return ret; \
2422 } \
2423 \
2424 static DEVICE_ATTR(stat_##name, S_IRUGO, read_##name, NULL)
2425
2426 UEA_ATTR(mflags, 1);
2427 UEA_ATTR(vidcpe, 0);
2428 UEA_ATTR(usrate, 0);
2429 UEA_ATTR(dsrate, 0);
2430 UEA_ATTR(usattenuation, 0);
2431 UEA_ATTR(dsattenuation, 0);
2432 UEA_ATTR(usmargin, 0);
2433 UEA_ATTR(dsmargin, 0);
2434 UEA_ATTR(txflow, 0);
2435 UEA_ATTR(rxflow, 0);
2436 UEA_ATTR(uscorr, 0);
2437 UEA_ATTR(dscorr, 0);
2438 UEA_ATTR(usunc, 0);
2439 UEA_ATTR(dsunc, 0);
2440 UEA_ATTR(firmid, 0);
2441
2442 /* Retrieve the device End System Identifier (MAC) */
2443
2444 static int uea_getesi(struct uea_softc *sc, u_char * esi)
2445 {
2446 unsigned char mac_str[2 * ETH_ALEN + 1];
2447 int i;
2448 if (usb_string
2449 (sc->usb_dev, sc->usb_dev->descriptor.iSerialNumber, mac_str,
2450 sizeof(mac_str)) != 2 * ETH_ALEN)
2451 return 1;
2452
2453 for (i = 0; i < ETH_ALEN; i++)
2454 esi[i] = hex_to_bin(mac_str[2 * i]) * 16 +
2455 hex_to_bin(mac_str[2 * i + 1]);
2456
2457 return 0;
2458 }
2459
2460 /* ATM stuff */
2461 static int uea_atm_open(struct usbatm_data *usbatm, struct atm_dev *atm_dev)
2462 {
2463 struct uea_softc *sc = usbatm->driver_data;
2464
2465 return uea_getesi(sc, atm_dev->esi);
2466 }
2467
2468 static int uea_heavy(struct usbatm_data *usbatm, struct usb_interface *intf)
2469 {
2470 struct uea_softc *sc = usbatm->driver_data;
2471
2472 wait_event_interruptible(sc->sync_q, IS_OPERATIONAL(sc));
2473
2474 return 0;
2475
2476 }
2477
2478 static int claim_interface(struct usb_device *usb_dev,
2479 struct usbatm_data *usbatm, int ifnum)
2480 {
2481 int ret;
2482 struct usb_interface *intf = usb_ifnum_to_if(usb_dev, ifnum);
2483
2484 if (!intf) {
2485 uea_err(usb_dev, "interface %d not found\n", ifnum);
2486 return -ENODEV;
2487 }
2488
2489 ret = usb_driver_claim_interface(&uea_driver, intf, usbatm);
2490 if (ret != 0)
2491 uea_err(usb_dev, "can't claim interface %d, error %d\n", ifnum,
2492 ret);
2493 return ret;
2494 }
2495
2496 static struct attribute *attrs[] = {
2497 &dev_attr_stat_status.attr,
2498 &dev_attr_stat_mflags.attr,
2499 &dev_attr_stat_human_status.attr,
2500 &dev_attr_stat_delin.attr,
2501 &dev_attr_stat_vidcpe.attr,
2502 &dev_attr_stat_usrate.attr,
2503 &dev_attr_stat_dsrate.attr,
2504 &dev_attr_stat_usattenuation.attr,
2505 &dev_attr_stat_dsattenuation.attr,
2506 &dev_attr_stat_usmargin.attr,
2507 &dev_attr_stat_dsmargin.attr,
2508 &dev_attr_stat_txflow.attr,
2509 &dev_attr_stat_rxflow.attr,
2510 &dev_attr_stat_uscorr.attr,
2511 &dev_attr_stat_dscorr.attr,
2512 &dev_attr_stat_usunc.attr,
2513 &dev_attr_stat_dsunc.attr,
2514 &dev_attr_stat_firmid.attr,
2515 NULL,
2516 };
2517 static struct attribute_group attr_grp = {
2518 .attrs = attrs,
2519 };
2520
2521 static int uea_bind(struct usbatm_data *usbatm, struct usb_interface *intf,
2522 const struct usb_device_id *id)
2523 {
2524 struct usb_device *usb = interface_to_usbdev(intf);
2525 struct uea_softc *sc;
2526 int ret, ifnum = intf->altsetting->desc.bInterfaceNumber;
2527 unsigned int alt;
2528
2529 uea_enters(usb);
2530
2531 /* interface 0 is for firmware/monitoring */
2532 if (ifnum != UEA_INTR_IFACE_NO)
2533 return -ENODEV;
2534
2535 usbatm->flags = (sync_wait[modem_index] ? 0 : UDSL_SKIP_HEAVY_INIT);
2536
2537 /* interface 1 is for outbound traffic */
2538 ret = claim_interface(usb, usbatm, UEA_US_IFACE_NO);
2539 if (ret < 0)
2540 return ret;
2541
2542 /* ADI930 has only 2 interfaces and inbound traffic is on interface 1 */
2543 if (UEA_CHIP_VERSION(id) != ADI930) {
2544 /* interface 2 is for inbound traffic */
2545 ret = claim_interface(usb, usbatm, UEA_DS_IFACE_NO);
2546 if (ret < 0)
2547 return ret;
2548 }
2549
2550 sc = kzalloc(sizeof(struct uea_softc), GFP_KERNEL);
2551 if (!sc) {
2552 uea_err(usb, "uea_init: not enough memory !\n");
2553 return -ENOMEM;
2554 }
2555
2556 sc->usb_dev = usb;
2557 usbatm->driver_data = sc;
2558 sc->usbatm = usbatm;
2559 sc->modem_index = (modem_index < NB_MODEM) ? modem_index++ : 0;
2560 sc->driver_info = id->driver_info;
2561
2562 /* first try to use module parameter */
2563 if (annex[sc->modem_index] == 1)
2564 sc->annex = ANNEXA;
2565 else if (annex[sc->modem_index] == 2)
2566 sc->annex = ANNEXB;
2567 /* try to autodetect annex */
2568 else if (sc->driver_info & AUTO_ANNEX_A)
2569 sc->annex = ANNEXA;
2570 else if (sc->driver_info & AUTO_ANNEX_B)
2571 sc->annex = ANNEXB;
2572 else
2573 sc->annex = (le16_to_cpu
2574 (sc->usb_dev->descriptor.bcdDevice) & 0x80) ? ANNEXB : ANNEXA;
2575
2576 alt = altsetting[sc->modem_index];
2577 /* ADI930 don't support iso */
2578 if (UEA_CHIP_VERSION(id) != ADI930 && alt > 0) {
2579 if (alt <= 8 &&
2580 usb_set_interface(usb, UEA_DS_IFACE_NO, alt) == 0) {
2581 uea_dbg(usb, "set alternate %u for 2 interface\n", alt);
2582 uea_info(usb, "using iso mode\n");
2583 usbatm->flags |= UDSL_USE_ISOC | UDSL_IGNORE_EILSEQ;
2584 } else {
2585 uea_err(usb, "setting alternate %u failed for "
2586 "2 interface, using bulk mode\n", alt);
2587 }
2588 }
2589
2590 ret = sysfs_create_group(&intf->dev.kobj, &attr_grp);
2591 if (ret < 0)
2592 goto error;
2593
2594 ret = uea_boot(sc);
2595 if (ret < 0)
2596 goto error_rm_grp;
2597
2598 return 0;
2599
2600 error_rm_grp:
2601 sysfs_remove_group(&intf->dev.kobj, &attr_grp);
2602 error:
2603 kfree(sc);
2604 return ret;
2605 }
2606
2607 static void uea_unbind(struct usbatm_data *usbatm, struct usb_interface *intf)
2608 {
2609 struct uea_softc *sc = usbatm->driver_data;
2610
2611 sysfs_remove_group(&intf->dev.kobj, &attr_grp);
2612 uea_stop(sc);
2613 kfree(sc);
2614 }
2615
2616 static struct usbatm_driver uea_usbatm_driver = {
2617 .driver_name = "ueagle-atm",
2618 .bind = uea_bind,
2619 .atm_start = uea_atm_open,
2620 .unbind = uea_unbind,
2621 .heavy_init = uea_heavy,
2622 .bulk_in = UEA_BULK_DATA_PIPE,
2623 .bulk_out = UEA_BULK_DATA_PIPE,
2624 .isoc_in = UEA_ISO_DATA_PIPE,
2625 };
2626
2627 static int uea_probe(struct usb_interface *intf, const struct usb_device_id *id)
2628 {
2629 struct usb_device *usb = interface_to_usbdev(intf);
2630 int ret;
2631
2632 uea_enters(usb);
2633 uea_info(usb, "ADSL device founded vid (%#X) pid (%#X) Rev (%#X): %s\n",
2634 le16_to_cpu(usb->descriptor.idVendor),
2635 le16_to_cpu(usb->descriptor.idProduct),
2636 le16_to_cpu(usb->descriptor.bcdDevice),
2637 chip_name[UEA_CHIP_VERSION(id)]);
2638
2639 usb_reset_device(usb);
2640
2641 if (UEA_IS_PREFIRM(id))
2642 return uea_load_firmware(usb, UEA_CHIP_VERSION(id));
2643
2644 ret = usbatm_usb_probe(intf, id, &uea_usbatm_driver);
2645 if (ret == 0) {
2646 struct usbatm_data *usbatm = usb_get_intfdata(intf);
2647 struct uea_softc *sc = usbatm->driver_data;
2648
2649 /* Ensure carrier is initialized to off as early as possible */
2650 UPDATE_ATM_SIGNAL(ATM_PHY_SIG_LOST);
2651
2652 /* Only start the worker thread when all init is done */
2653 wake_up_process(sc->kthread);
2654 }
2655
2656 return ret;
2657 }
2658
2659 static void uea_disconnect(struct usb_interface *intf)
2660 {
2661 struct usb_device *usb = interface_to_usbdev(intf);
2662 int ifnum = intf->altsetting->desc.bInterfaceNumber;
2663 uea_enters(usb);
2664
2665 /* ADI930 has 2 interfaces and eagle 3 interfaces.
2666 * Pre-firmware device has one interface
2667 */
2668 if (usb->config->desc.bNumInterfaces != 1 && ifnum == 0) {
2669 mutex_lock(&uea_mutex);
2670 usbatm_usb_disconnect(intf);
2671 mutex_unlock(&uea_mutex);
2672 uea_info(usb, "ADSL device removed\n");
2673 }
2674
2675 uea_leaves(usb);
2676 }
2677
2678 /*
2679 * List of supported VID/PID
2680 */
2681 static const struct usb_device_id uea_ids[] = {
2682 {USB_DEVICE(ANALOG_VID, ADI930_PID_PREFIRM),
2683 .driver_info = ADI930 | PREFIRM},
2684 {USB_DEVICE(ANALOG_VID, ADI930_PID_PSTFIRM),
2685 .driver_info = ADI930 | PSTFIRM},
2686 {USB_DEVICE(ANALOG_VID, EAGLE_I_PID_PREFIRM),
2687 .driver_info = EAGLE_I | PREFIRM},
2688 {USB_DEVICE(ANALOG_VID, EAGLE_I_PID_PSTFIRM),
2689 .driver_info = EAGLE_I | PSTFIRM},
2690 {USB_DEVICE(ANALOG_VID, EAGLE_II_PID_PREFIRM),
2691 .driver_info = EAGLE_II | PREFIRM},
2692 {USB_DEVICE(ANALOG_VID, EAGLE_II_PID_PSTFIRM),
2693 .driver_info = EAGLE_II | PSTFIRM},
2694 {USB_DEVICE(ANALOG_VID, EAGLE_IIC_PID_PREFIRM),
2695 .driver_info = EAGLE_II | PREFIRM},
2696 {USB_DEVICE(ANALOG_VID, EAGLE_IIC_PID_PSTFIRM),
2697 .driver_info = EAGLE_II | PSTFIRM},
2698 {USB_DEVICE(ANALOG_VID, EAGLE_III_PID_PREFIRM),
2699 .driver_info = EAGLE_III | PREFIRM},
2700 {USB_DEVICE(ANALOG_VID, EAGLE_III_PID_PSTFIRM),
2701 .driver_info = EAGLE_III | PSTFIRM},
2702 {USB_DEVICE(ANALOG_VID, EAGLE_IV_PID_PREFIRM),
2703 .driver_info = EAGLE_IV | PREFIRM},
2704 {USB_DEVICE(ANALOG_VID, EAGLE_IV_PID_PSTFIRM),
2705 .driver_info = EAGLE_IV | PSTFIRM},
2706 {USB_DEVICE(DEVOLO_VID, DEVOLO_EAGLE_I_A_PID_PREFIRM),
2707 .driver_info = EAGLE_I | PREFIRM},
2708 {USB_DEVICE(DEVOLO_VID, DEVOLO_EAGLE_I_A_PID_PSTFIRM),
2709 .driver_info = EAGLE_I | PSTFIRM | AUTO_ANNEX_A},
2710 {USB_DEVICE(DEVOLO_VID, DEVOLO_EAGLE_I_B_PID_PREFIRM),
2711 .driver_info = EAGLE_I | PREFIRM},
2712 {USB_DEVICE(DEVOLO_VID, DEVOLO_EAGLE_I_B_PID_PSTFIRM),
2713 .driver_info = EAGLE_I | PSTFIRM | AUTO_ANNEX_B},
2714 {USB_DEVICE(DEVOLO_VID, DEVOLO_EAGLE_II_A_PID_PREFIRM),
2715 .driver_info = EAGLE_II | PREFIRM},
2716 {USB_DEVICE(DEVOLO_VID, DEVOLO_EAGLE_II_A_PID_PSTFIRM),
2717 .driver_info = EAGLE_II | PSTFIRM | AUTO_ANNEX_A},
2718 {USB_DEVICE(DEVOLO_VID, DEVOLO_EAGLE_II_B_PID_PREFIRM),
2719 .driver_info = EAGLE_II | PREFIRM},
2720 {USB_DEVICE(DEVOLO_VID, DEVOLO_EAGLE_II_B_PID_PSTFIRM),
2721 .driver_info = EAGLE_II | PSTFIRM | AUTO_ANNEX_B},
2722 {USB_DEVICE(ELSA_VID, ELSA_PID_PREFIRM),
2723 .driver_info = ADI930 | PREFIRM},
2724 {USB_DEVICE(ELSA_VID, ELSA_PID_PSTFIRM),
2725 .driver_info = ADI930 | PSTFIRM},
2726 {USB_DEVICE(ELSA_VID, ELSA_PID_A_PREFIRM),
2727 .driver_info = ADI930 | PREFIRM},
2728 {USB_DEVICE(ELSA_VID, ELSA_PID_A_PSTFIRM),
2729 .driver_info = ADI930 | PSTFIRM | AUTO_ANNEX_A},
2730 {USB_DEVICE(ELSA_VID, ELSA_PID_B_PREFIRM),
2731 .driver_info = ADI930 | PREFIRM},
2732 {USB_DEVICE(ELSA_VID, ELSA_PID_B_PSTFIRM),
2733 .driver_info = ADI930 | PSTFIRM | AUTO_ANNEX_B},
2734 {USB_DEVICE(USR_VID, MILLER_A_PID_PREFIRM),
2735 .driver_info = EAGLE_I | PREFIRM},
2736 {USB_DEVICE(USR_VID, MILLER_A_PID_PSTFIRM),
2737 .driver_info = EAGLE_I | PSTFIRM | AUTO_ANNEX_A},
2738 {USB_DEVICE(USR_VID, MILLER_B_PID_PREFIRM),
2739 .driver_info = EAGLE_I | PREFIRM},
2740 {USB_DEVICE(USR_VID, MILLER_B_PID_PSTFIRM),
2741 .driver_info = EAGLE_I | PSTFIRM | AUTO_ANNEX_B},
2742 {USB_DEVICE(USR_VID, HEINEKEN_A_PID_PREFIRM),
2743 .driver_info = EAGLE_I | PREFIRM},
2744 {USB_DEVICE(USR_VID, HEINEKEN_A_PID_PSTFIRM),
2745 .driver_info = EAGLE_I | PSTFIRM | AUTO_ANNEX_A},
2746 {USB_DEVICE(USR_VID, HEINEKEN_B_PID_PREFIRM),
2747 .driver_info = EAGLE_I | PREFIRM},
2748 {USB_DEVICE(USR_VID, HEINEKEN_B_PID_PSTFIRM),
2749 .driver_info = EAGLE_I | PSTFIRM | AUTO_ANNEX_B},
2750 {}
2751 };
2752
2753 /*
2754 * USB driver descriptor
2755 */
2756 static struct usb_driver uea_driver = {
2757 .name = "ueagle-atm",
2758 .id_table = uea_ids,
2759 .probe = uea_probe,
2760 .disconnect = uea_disconnect,
2761 };
2762
2763 MODULE_DEVICE_TABLE(usb, uea_ids);
2764
2765 /**
2766 * uea_init - Initialize the module.
2767 * Register to USB subsystem
2768 */
2769 static int __init uea_init(void)
2770 {
2771 printk(KERN_INFO "[ueagle-atm] driver " EAGLEUSBVERSION " loaded\n");
2772
2773 usb_register(&uea_driver);
2774
2775 return 0;
2776 }
2777
2778 module_init(uea_init);
2779
2780 /**
2781 * uea_exit - Destroy module
2782 * Deregister with USB subsystem
2783 */
2784 static void __exit uea_exit(void)
2785 {
2786 /*
2787 * This calls automatically the uea_disconnect method if necessary:
2788 */
2789 usb_deregister(&uea_driver);
2790
2791 printk(KERN_INFO "[ueagle-atm] driver unloaded\n");
2792 }
2793
2794 module_exit(uea_exit);
2795
2796 MODULE_AUTHOR("Damien Bergamini/Matthieu Castet/Stanislaw W. Gruszka");
2797 MODULE_DESCRIPTION("ADI 930/Eagle USB ADSL Modem driver");
2798 MODULE_LICENSE("Dual BSD/GPL");
linux-next