?  search:
summary | log | graphiclog1 | graphiclog2 | commit | commitdiff | tree | refs | edit | fork
blame | history | raw | HEAD
Merge tag 'trace-v5.11-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt...
[linux/fpc-iii.git] / drivers / usb / atm / ueagle-atm.c
blob786299892c7f46e8948825d194b91e433518c24b
1 // SPDX-License-Identifier: (GPL-2.0+ OR BSD-2-Clause)
2 /*
3 * Copyright (c) 2003, 2004
4 * Damien Bergamini <damien.bergamini@free.fr>. All rights reserved.
5 *
6 * Copyright (c) 2005-2007 Matthieu Castet <castet.matthieu@free.fr>
7 * Copyright (c) 2005-2007 Stanislaw Gruszka <stf_xl@wp.pl>
8 *
9 * HISTORY : some part of the code was base on ueagle 1.3 BSD driver,
10 * Damien Bergamini agree to put his code under a DUAL GPL/BSD license.
11 *
12 * The rest of the code was was rewritten from scratch.
13 */
14
15 #include <linux/module.h>
16 #include <linux/moduleparam.h>
17 #include <linux/crc32.h>
18 #include <linux/usb.h>
19 #include <linux/firmware.h>
20 #include <linux/ctype.h>
21 #include <linux/sched.h>
22 #include <linux/kthread.h>
23 #include <linux/mutex.h>
24 #include <linux/freezer.h>
25 #include <linux/slab.h>
26 #include <linux/kernel.h>
27
28 #include <asm/unaligned.h>
29
30 #include "usbatm.h"
31
32 #define EAGLEUSBVERSION "ueagle 1.4"
33
34
35 /*
36 * Debug macros
37 */
38 #define uea_dbg(usb_dev, format, args...) \
39 do { \
40 if (debug >= 1) \
41 dev_dbg(&(usb_dev)->dev, \
42 "[ueagle-atm dbg] %s: " format, \
43 __func__, ##args); \
44 } while (0)
45
46 #define uea_vdbg(usb_dev, format, args...) \
47 do { \
48 if (debug >= 2) \
49 dev_dbg(&(usb_dev)->dev, \
50 "[ueagle-atm vdbg] " format, ##args); \
51 } while (0)
52
53 #define uea_enters(usb_dev) \
54 uea_vdbg(usb_dev, "entering %s\n" , __func__)
55
56 #define uea_leaves(usb_dev) \
57 uea_vdbg(usb_dev, "leaving %s\n" , __func__)
58
59 #define uea_err(usb_dev, format, args...) \
60 dev_err(&(usb_dev)->dev , "[UEAGLE-ATM] " format , ##args)
61
62 #define uea_warn(usb_dev, format, args...) \
63 dev_warn(&(usb_dev)->dev , "[Ueagle-atm] " format, ##args)
64
65 #define uea_info(usb_dev, format, args...) \
66 dev_info(&(usb_dev)->dev , "[ueagle-atm] " format, ##args)
67
68 struct intr_pkt;
69
70 /* cmv's from firmware */
71 struct uea_cmvs_v1 {
72 u32 address;
73 u16 offset;
74 u32 data;
75 } __packed;
76
77 struct uea_cmvs_v2 {
78 u32 group;
79 u32 address;
80 u32 offset;
81 u32 data;
82 } __packed;
83
84 /* information about currently processed cmv */
85 struct cmv_dsc_e1 {
86 u8 function;
87 u16 idx;
88 u32 address;
89 u16 offset;
90 };
91
92 struct cmv_dsc_e4 {
93 u16 function;
94 u16 offset;
95 u16 address;
96 u16 group;
97 };
98
99 union cmv_dsc {
100 struct cmv_dsc_e1 e1;
101 struct cmv_dsc_e4 e4;
102 };
103
104 struct uea_softc {
105 struct usb_device *usb_dev;
106 struct usbatm_data *usbatm;
107
108 int modem_index;
109 unsigned int driver_info;
110 int annex;
111 #define ANNEXA 0
112 #define ANNEXB 1
113
114 int booting;
115 int reset;
116
117 wait_queue_head_t sync_q;
118
119 struct task_struct *kthread;
120 u32 data;
121 u32 data1;
122
123 int cmv_ack;
124 union cmv_dsc cmv_dsc;
125
126 struct work_struct task;
127 u16 pageno;
128 u16 ovl;
129
130 const struct firmware *dsp_firm;
131 struct urb *urb_int;
132
133 void (*dispatch_cmv)(struct uea_softc *, struct intr_pkt *);
134 void (*schedule_load_page)(struct uea_softc *, struct intr_pkt *);
135 int (*stat)(struct uea_softc *);
136 int (*send_cmvs)(struct uea_softc *);
137
138 /* keep in sync with eaglectl */
139 struct uea_stats {
140 struct {
141 u32 state;
142 u32 flags;
143 u32 mflags;
144 u32 vidcpe;
145 u32 vidco;
146 u32 dsrate;
147 u32 usrate;
148 u32 dsunc;
149 u32 usunc;
150 u32 dscorr;
151 u32 uscorr;
152 u32 txflow;
153 u32 rxflow;
154 u32 usattenuation;
155 u32 dsattenuation;
156 u32 dsmargin;
157 u32 usmargin;
158 u32 firmid;
159 } phy;
160 } stats;
161 };
162
163 /*
164 * Elsa IDs
165 */
166 #define ELSA_VID 0x05CC
167 #define ELSA_PID_PSTFIRM 0x3350
168 #define ELSA_PID_PREFIRM 0x3351
169
170 #define ELSA_PID_A_PREFIRM 0x3352
171 #define ELSA_PID_A_PSTFIRM 0x3353
172 #define ELSA_PID_B_PREFIRM 0x3362
173 #define ELSA_PID_B_PSTFIRM 0x3363
174
175 /*
176 * Devolo IDs : pots if (pid & 0x10)
177 */
178 #define DEVOLO_VID 0x1039
179 #define DEVOLO_EAGLE_I_A_PID_PSTFIRM 0x2110
180 #define DEVOLO_EAGLE_I_A_PID_PREFIRM 0x2111
181
182 #define DEVOLO_EAGLE_I_B_PID_PSTFIRM 0x2100
183 #define DEVOLO_EAGLE_I_B_PID_PREFIRM 0x2101
184
185 #define DEVOLO_EAGLE_II_A_PID_PSTFIRM 0x2130
186 #define DEVOLO_EAGLE_II_A_PID_PREFIRM 0x2131
187
188 #define DEVOLO_EAGLE_II_B_PID_PSTFIRM 0x2120
189 #define DEVOLO_EAGLE_II_B_PID_PREFIRM 0x2121
190
191 /*
192 * Reference design USB IDs
193 */
194 #define ANALOG_VID 0x1110
195 #define ADI930_PID_PREFIRM 0x9001
196 #define ADI930_PID_PSTFIRM 0x9000
197
198 #define EAGLE_I_PID_PREFIRM 0x9010 /* Eagle I */
199 #define EAGLE_I_PID_PSTFIRM 0x900F /* Eagle I */
200
201 #define EAGLE_IIC_PID_PREFIRM 0x9024 /* Eagle IIC */
202 #define EAGLE_IIC_PID_PSTFIRM 0x9023 /* Eagle IIC */
203
204 #define EAGLE_II_PID_PREFIRM 0x9022 /* Eagle II */
205 #define EAGLE_II_PID_PSTFIRM 0x9021 /* Eagle II */
206
207 #define EAGLE_III_PID_PREFIRM 0x9032 /* Eagle III */
208 #define EAGLE_III_PID_PSTFIRM 0x9031 /* Eagle III */
209
210 #define EAGLE_IV_PID_PREFIRM 0x9042 /* Eagle IV */
211 #define EAGLE_IV_PID_PSTFIRM 0x9041 /* Eagle IV */
212
213 /*
214 * USR USB IDs
215 */
216 #define USR_VID 0x0BAF
217 #define MILLER_A_PID_PREFIRM 0x00F2
218 #define MILLER_A_PID_PSTFIRM 0x00F1
219 #define MILLER_B_PID_PREFIRM 0x00FA
220 #define MILLER_B_PID_PSTFIRM 0x00F9
221 #define HEINEKEN_A_PID_PREFIRM 0x00F6
222 #define HEINEKEN_A_PID_PSTFIRM 0x00F5
223 #define HEINEKEN_B_PID_PREFIRM 0x00F8
224 #define HEINEKEN_B_PID_PSTFIRM 0x00F7
225
226 #define PREFIRM 0
227 #define PSTFIRM (1<<7)
228 #define AUTO_ANNEX_A (1<<8)
229 #define AUTO_ANNEX_B (1<<9)
230
231 enum {
232 ADI930 = 0,
233 EAGLE_I,
234 EAGLE_II,
235 EAGLE_III,
236 EAGLE_IV
237 };
238
239 /* macros for both struct usb_device_id and struct uea_softc */
240 #define UEA_IS_PREFIRM(x) \
241 (!((x)->driver_info & PSTFIRM))
242 #define UEA_CHIP_VERSION(x) \
243 ((x)->driver_info & 0xf)
244
245 #define IS_ISDN(x) \
246 ((x)->annex & ANNEXB)
247
248 #define INS_TO_USBDEV(ins) (ins->usb_dev)
249
250 #define GET_STATUS(data) \
251 ((data >> 8) & 0xf)
252
253 #define IS_OPERATIONAL(sc) \
254 ((UEA_CHIP_VERSION(sc) != EAGLE_IV) ? \
255 (GET_STATUS(sc->stats.phy.state) == 2) : \
256 (sc->stats.phy.state == 7))
257
258 /*
259 * Set of macros to handle unaligned data in the firmware blob.
260 * The FW_GET_BYTE() macro is provided only for consistency.
261 */
262
263 #define FW_GET_BYTE(p) (*((__u8 *) (p)))
264
265 #define FW_DIR "ueagle-atm/"
266 #define EAGLE_FIRMWARE FW_DIR "eagle.fw"
267 #define ADI930_FIRMWARE FW_DIR "adi930.fw"
268 #define EAGLE_I_FIRMWARE FW_DIR "eagleI.fw"
269 #define EAGLE_II_FIRMWARE FW_DIR "eagleII.fw"
270 #define EAGLE_III_FIRMWARE FW_DIR "eagleIII.fw"
271 #define EAGLE_IV_FIRMWARE FW_DIR "eagleIV.fw"
272
273 #define DSP4I_FIRMWARE FW_DIR "DSP4i.bin"
274 #define DSP4P_FIRMWARE FW_DIR "DSP4p.bin"
275 #define DSP9I_FIRMWARE FW_DIR "DSP9i.bin"
276 #define DSP9P_FIRMWARE FW_DIR "DSP9p.bin"
277 #define DSPEI_FIRMWARE FW_DIR "DSPei.bin"
278 #define DSPEP_FIRMWARE FW_DIR "DSPep.bin"
279 #define FPGA930_FIRMWARE FW_DIR "930-fpga.bin"
280
281 #define CMV4P_FIRMWARE FW_DIR "CMV4p.bin"
282 #define CMV4PV2_FIRMWARE FW_DIR "CMV4p.bin.v2"
283 #define CMV4I_FIRMWARE FW_DIR "CMV4i.bin"
284 #define CMV4IV2_FIRMWARE FW_DIR "CMV4i.bin.v2"
285 #define CMV9P_FIRMWARE FW_DIR "CMV9p.bin"
286 #define CMV9PV2_FIRMWARE FW_DIR "CMV9p.bin.v2"
287 #define CMV9I_FIRMWARE FW_DIR "CMV9i.bin"
288 #define CMV9IV2_FIRMWARE FW_DIR "CMV9i.bin.v2"
289 #define CMVEP_FIRMWARE FW_DIR "CMVep.bin"
290 #define CMVEPV2_FIRMWARE FW_DIR "CMVep.bin.v2"
291 #define CMVEI_FIRMWARE FW_DIR "CMVei.bin"
292 #define CMVEIV2_FIRMWARE FW_DIR "CMVei.bin.v2"
293
294 #define UEA_FW_NAME_MAX 30
295 #define NB_MODEM 4
296
297 #define BULK_TIMEOUT 300
298 #define CTRL_TIMEOUT 1000
299
300 #define ACK_TIMEOUT msecs_to_jiffies(3000)
301
302 #define UEA_INTR_IFACE_NO 0
303 #define UEA_US_IFACE_NO 1
304 #define UEA_DS_IFACE_NO 2
305
306 #define FASTEST_ISO_INTF 8
307
308 #define UEA_BULK_DATA_PIPE 0x02
309 #define UEA_IDMA_PIPE 0x04
310 #define UEA_INTR_PIPE 0x04
311 #define UEA_ISO_DATA_PIPE 0x08
312
313 #define UEA_E1_SET_BLOCK 0x0001
314 #define UEA_E4_SET_BLOCK 0x002c
315 #define UEA_SET_MODE 0x0003
316 #define UEA_SET_2183_DATA 0x0004
317 #define UEA_SET_TIMEOUT 0x0011
318
319 #define UEA_LOOPBACK_OFF 0x0002
320 #define UEA_LOOPBACK_ON 0x0003
321 #define UEA_BOOT_IDMA 0x0006
322 #define UEA_START_RESET 0x0007
323 #define UEA_END_RESET 0x0008
324
325 #define UEA_SWAP_MAILBOX (0x3fcd | 0x4000)
326 #define UEA_MPTX_START (0x3fce | 0x4000)
327 #define UEA_MPTX_MAILBOX (0x3fd6 | 0x4000)
328 #define UEA_MPRX_MAILBOX (0x3fdf | 0x4000)
329
330 /* block information in eagle4 dsp firmware */
331 struct block_index {
332 __le32 PageOffset;
333 __le32 NotLastBlock;
334 __le32 dummy;
335 __le32 PageSize;
336 __le32 PageAddress;
337 __le16 dummy1;
338 __le16 PageNumber;
339 } __packed;
340
341 #define E4_IS_BOOT_PAGE(PageSize) ((le32_to_cpu(PageSize)) & 0x80000000)
342 #define E4_PAGE_BYTES(PageSize) ((le32_to_cpu(PageSize) & 0x7fffffff) * 4)
343
344 #define E4_L1_STRING_HEADER 0x10
345 #define E4_MAX_PAGE_NUMBER 0x58
346 #define E4_NO_SWAPPAGE_HEADERS 0x31
347
348 /* l1_code is eagle4 dsp firmware format */
349 struct l1_code {
350 u8 string_header[E4_L1_STRING_HEADER];
351 u8 page_number_to_block_index[E4_MAX_PAGE_NUMBER];
352 struct block_index page_header[E4_NO_SWAPPAGE_HEADERS];
353 u8 code[];
354 } __packed;
355
356 /* structures describing a block within a DSP page */
357 struct block_info_e1 {
358 __le16 wHdr;
359 __le16 wAddress;
360 __le16 wSize;
361 __le16 wOvlOffset;
362 __le16 wOvl; /* overlay */
363 __le16 wLast;
364 } __packed;
365 #define E1_BLOCK_INFO_SIZE 12
366
367 struct block_info_e4 {
368 __be16 wHdr;
369 __u8 bBootPage;
370 __u8 bPageNumber;
371 __be32 dwSize;
372 __be32 dwAddress;
373 __be16 wReserved;
374 } __packed;
375 #define E4_BLOCK_INFO_SIZE 14
376
377 #define UEA_BIHDR 0xabcd
378 #define UEA_RESERVED 0xffff
379
380 /* constants describing cmv type */
381 #define E1_PREAMBLE 0x535c
382 #define E1_MODEMTOHOST 0x01
383 #define E1_HOSTTOMODEM 0x10
384
385 #define E1_MEMACCESS 0x1
386 #define E1_ADSLDIRECTIVE 0x7
387 #define E1_FUNCTION_TYPE(f) ((f) >> 4)
388 #define E1_FUNCTION_SUBTYPE(f) ((f) & 0x0f)
389
390 #define E4_MEMACCESS 0
391 #define E4_ADSLDIRECTIVE 0xf
392 #define E4_FUNCTION_TYPE(f) ((f) >> 8)
393 #define E4_FUNCTION_SIZE(f) ((f) & 0x0f)
394 #define E4_FUNCTION_SUBTYPE(f) (((f) >> 4) & 0x0f)
395
396 /* for MEMACCESS */
397 #define E1_REQUESTREAD 0x0
398 #define E1_REQUESTWRITE 0x1
399 #define E1_REPLYREAD 0x2
400 #define E1_REPLYWRITE 0x3
401
402 #define E4_REQUESTREAD 0x0
403 #define E4_REQUESTWRITE 0x4
404 #define E4_REPLYREAD (E4_REQUESTREAD | 1)
405 #define E4_REPLYWRITE (E4_REQUESTWRITE | 1)
406
407 /* for ADSLDIRECTIVE */
408 #define E1_KERNELREADY 0x0
409 #define E1_MODEMREADY 0x1
410
411 #define E4_KERNELREADY 0x0
412 #define E4_MODEMREADY 0x1
413
414 #define E1_MAKEFUNCTION(t, s) (((t) & 0xf) << 4 | ((s) & 0xf))
415 #define E4_MAKEFUNCTION(t, st, s) (((t) & 0xf) << 8 | \
416 ((st) & 0xf) << 4 | ((s) & 0xf))
417
418 #define E1_MAKESA(a, b, c, d) \
419 (((c) & 0xff) << 24 | \
420 ((d) & 0xff) << 16 | \
421 ((a) & 0xff) << 8 | \
422 ((b) & 0xff))
423
424 #define E1_GETSA1(a) ((a >> 8) & 0xff)
425 #define E1_GETSA2(a) (a & 0xff)
426 #define E1_GETSA3(a) ((a >> 24) & 0xff)
427 #define E1_GETSA4(a) ((a >> 16) & 0xff)
428
429 #define E1_SA_CNTL E1_MAKESA('C', 'N', 'T', 'L')
430 #define E1_SA_DIAG E1_MAKESA('D', 'I', 'A', 'G')
431 #define E1_SA_INFO E1_MAKESA('I', 'N', 'F', 'O')
432 #define E1_SA_OPTN E1_MAKESA('O', 'P', 'T', 'N')
433 #define E1_SA_RATE E1_MAKESA('R', 'A', 'T', 'E')
434 #define E1_SA_STAT E1_MAKESA('S', 'T', 'A', 'T')
435
436 #define E4_SA_CNTL 1
437 #define E4_SA_STAT 2
438 #define E4_SA_INFO 3
439 #define E4_SA_TEST 4
440 #define E4_SA_OPTN 5
441 #define E4_SA_RATE 6
442 #define E4_SA_DIAG 7
443 #define E4_SA_CNFG 8
444
445 /* structures representing a CMV (Configuration and Management Variable) */
446 struct cmv_e1 {
447 __le16 wPreamble;
448 __u8 bDirection;
449 __u8 bFunction;
450 __le16 wIndex;
451 __le32 dwSymbolicAddress;
452 __le16 wOffsetAddress;
453 __le32 dwData;
454 } __packed;
455
456 struct cmv_e4 {
457 __be16 wGroup;
458 __be16 wFunction;
459 __be16 wOffset;
460 __be16 wAddress;
461 __be32 dwData[6];
462 } __packed;
463
464 /* structures representing swap information */
465 struct swap_info_e1 {
466 __u8 bSwapPageNo;
467 __u8 bOvl; /* overlay */
468 } __packed;
469
470 struct swap_info_e4 {
471 __u8 bSwapPageNo;
472 } __packed;
473
474 /* structures representing interrupt data */
475 #define e1_bSwapPageNo u.e1.s1.swapinfo.bSwapPageNo
476 #define e1_bOvl u.e1.s1.swapinfo.bOvl
477 #define e4_bSwapPageNo u.e4.s1.swapinfo.bSwapPageNo
478
479 #define INT_LOADSWAPPAGE 0x0001
480 #define INT_INCOMINGCMV 0x0002
481
482 union intr_data_e1 {
483 struct {
484 struct swap_info_e1 swapinfo;
485 __le16 wDataSize;
486 } __packed s1;
487 struct {
488 struct cmv_e1 cmv;
489 __le16 wDataSize;
490 } __packed s2;
491 } __packed;
492
493 union intr_data_e4 {
494 struct {
495 struct swap_info_e4 swapinfo;
496 __le16 wDataSize;
497 } __packed s1;
498 struct {
499 struct cmv_e4 cmv;
500 __le16 wDataSize;
501 } __packed s2;
502 } __packed;
503
504 struct intr_pkt {
505 __u8 bType;
506 __u8 bNotification;
507 __le16 wValue;
508 __le16 wIndex;
509 __le16 wLength;
510 __le16 wInterrupt;
511 union {
512 union intr_data_e1 e1;
513 union intr_data_e4 e4;
514 } u;
515 } __packed;
516
517 #define E1_INTR_PKT_SIZE 28
518 #define E4_INTR_PKT_SIZE 64
519
520 static struct usb_driver uea_driver;
521 static DEFINE_MUTEX(uea_mutex);
522 static const char * const chip_name[] = {
523 "ADI930", "Eagle I", "Eagle II", "Eagle III", "Eagle IV"};
524
525 static int modem_index;
526 static unsigned int debug;
527 static unsigned int altsetting[NB_MODEM] = {
528 [0 ... (NB_MODEM - 1)] = FASTEST_ISO_INTF};
529 static bool sync_wait[NB_MODEM];
530 static char *cmv_file[NB_MODEM];
531 static int annex[NB_MODEM];
532
533 module_param(debug, uint, 0644);
534 MODULE_PARM_DESC(debug, "module debug level (0=off,1=on,2=verbose)");
535 module_param_array(altsetting, uint, NULL, 0644);
536 MODULE_PARM_DESC(altsetting, "alternate setting for incoming traffic: 0=bulk, "
537 "1=isoc slowest, ... , 8=isoc fastest (default)");
538 module_param_array(sync_wait, bool, NULL, 0644);
539 MODULE_PARM_DESC(sync_wait, "wait the synchronisation before starting ATM");
540 module_param_array(cmv_file, charp, NULL, 0644);
541 MODULE_PARM_DESC(cmv_file,
542 "file name with configuration and management variables");
543 module_param_array(annex, uint, NULL, 0644);
544 MODULE_PARM_DESC(annex,
545 "manually set annex a/b (0=auto, 1=annex a, 2=annex b)");
546
547 #define uea_wait(sc, cond, timeo) \
548 ({ \
549 int _r = wait_event_interruptible_timeout(sc->sync_q, \
550 (cond) || kthread_should_stop(), timeo); \
551 if (kthread_should_stop()) \
552 _r = -ENODEV; \
553 _r; \
554 })
555
556 #define UPDATE_ATM_STAT(type, val) \
557 do { \
558 if (sc->usbatm->atm_dev) \
559 sc->usbatm->atm_dev->type = val; \
560 } while (0)
561
562 #define UPDATE_ATM_SIGNAL(val) \
563 do { \
564 if (sc->usbatm->atm_dev) \
565 atm_dev_signal_change(sc->usbatm->atm_dev, val); \
566 } while (0)
567
568
569 /* Firmware loading */
570 #define LOAD_INTERNAL 0xA0
571 #define F8051_USBCS 0x7f92
572
573 /*
574 * uea_send_modem_cmd - Send a command for pre-firmware devices.
575 */
576 static int uea_send_modem_cmd(struct usb_device *usb,
577 u16 addr, u16 size, const u8 *buff)
578 {
579 int ret = -ENOMEM;
580 u8 *xfer_buff;
581
582 xfer_buff = kmemdup(buff, size, GFP_KERNEL);
583 if (xfer_buff) {
584 ret = usb_control_msg(usb,
585 usb_sndctrlpipe(usb, 0),
586 LOAD_INTERNAL,
587 USB_DIR_OUT | USB_TYPE_VENDOR |
588 USB_RECIP_DEVICE, addr, 0, xfer_buff,
589 size, CTRL_TIMEOUT);
590 kfree(xfer_buff);
591 }
592
593 if (ret < 0)
594 return ret;
595
596 return (ret == size) ? 0 : -EIO;
597 }
598
599 static void uea_upload_pre_firmware(const struct firmware *fw_entry,
600 void *context)
601 {
602 struct usb_device *usb = context;
603 const u8 *pfw;
604 u8 value;
605 u32 crc = 0;
606 int ret, size;
607
608 uea_enters(usb);
609 if (!fw_entry) {
610 uea_err(usb, "firmware is not available\n");
611 goto err;
612 }
613
614 pfw = fw_entry->data;
615 size = fw_entry->size;
616 if (size < 4)
617 goto err_fw_corrupted;
618
619 crc = get_unaligned_le32(pfw);
620 pfw += 4;
621 size -= 4;
622 if (crc32_be(0, pfw, size) != crc)
623 goto err_fw_corrupted;
624
625 /*
626 * Start to upload firmware : send reset
627 */
628 value = 1;
629 ret = uea_send_modem_cmd(usb, F8051_USBCS, sizeof(value), &value);
630
631 if (ret < 0) {
632 uea_err(usb, "modem reset failed with error %d\n", ret);
633 goto err;
634 }
635
636 while (size > 3) {
637 u8 len = FW_GET_BYTE(pfw);
638 u16 add = get_unaligned_le16(pfw + 1);
639
640 size -= len + 3;
641 if (size < 0)
642 goto err_fw_corrupted;
643
644 ret = uea_send_modem_cmd(usb, add, len, pfw + 3);
645 if (ret < 0) {
646 uea_err(usb, "uploading firmware data failed "
647 "with error %d\n", ret);
648 goto err;
649 }
650 pfw += len + 3;
651 }
652
653 if (size != 0)
654 goto err_fw_corrupted;
655
656 /*
657 * Tell the modem we finish : de-assert reset
658 */
659 value = 0;
660 ret = uea_send_modem_cmd(usb, F8051_USBCS, 1, &value);
661 if (ret < 0)
662 uea_err(usb, "modem de-assert failed with error %d\n", ret);
663 else
664 uea_info(usb, "firmware uploaded\n");
665
666 goto err;
667
668 err_fw_corrupted:
669 uea_err(usb, "firmware is corrupted\n");
670 err:
671 release_firmware(fw_entry);
672 uea_leaves(usb);
673 }
674
675 /*
676 * uea_load_firmware - Load usb firmware for pre-firmware devices.
677 */
678 static int uea_load_firmware(struct usb_device *usb, unsigned int ver)
679 {
680 int ret;
681 char *fw_name = EAGLE_FIRMWARE;
682
683 uea_enters(usb);
684 uea_info(usb, "pre-firmware device, uploading firmware\n");
685
686 switch (ver) {
687 case ADI930:
688 fw_name = ADI930_FIRMWARE;
689 break;
690 case EAGLE_I:
691 fw_name = EAGLE_I_FIRMWARE;
692 break;
693 case EAGLE_II:
694 fw_name = EAGLE_II_FIRMWARE;
695 break;
696 case EAGLE_III:
697 fw_name = EAGLE_III_FIRMWARE;
698 break;
699 case EAGLE_IV:
700 fw_name = EAGLE_IV_FIRMWARE;
701 break;
702 }
703
704 ret = request_firmware_nowait(THIS_MODULE, 1, fw_name, &usb->dev,
705 GFP_KERNEL, usb,
706 uea_upload_pre_firmware);
707 if (ret)
708 uea_err(usb, "firmware %s is not available\n", fw_name);
709 else
710 uea_info(usb, "loading firmware %s\n", fw_name);
711
712 uea_leaves(usb);
713 return ret;
714 }
715
716 /* modem management : dsp firmware, send/read CMV, monitoring statistic
717 */
718
719 /*
720 * Make sure that the DSP code provided is safe to use.
721 */
722 static int check_dsp_e1(const u8 *dsp, unsigned int len)
723 {
724 u8 pagecount, blockcount;
725 u16 blocksize;
726 u32 pageoffset;
727 unsigned int i, j, p, pp;
728
729 pagecount = FW_GET_BYTE(dsp);
730 p = 1;
731
732 /* enough space for page offsets? */
733 if (p + 4 * pagecount > len)
734 return 1;
735
736 for (i = 0; i < pagecount; i++) {
737
738 pageoffset = get_unaligned_le32(dsp + p);
739 p += 4;
740
741 if (pageoffset == 0)
742 continue;
743
744 /* enough space for blockcount? */
745 if (pageoffset >= len)
746 return 1;
747
748 pp = pageoffset;
749 blockcount = FW_GET_BYTE(dsp + pp);
750 pp += 1;
751
752 for (j = 0; j < blockcount; j++) {
753
754 /* enough space for block header? */
755 if (pp + 4 > len)
756 return 1;
757
758 pp += 2; /* skip blockaddr */
759 blocksize = get_unaligned_le16(dsp + pp);
760 pp += 2;
761
762 /* enough space for block data? */
763 if (pp + blocksize > len)
764 return 1;
765
766 pp += blocksize;
767 }
768 }
769
770 return 0;
771 }
772
773 static int check_dsp_e4(const u8 *dsp, int len)
774 {
775 int i;
776 struct l1_code *p = (struct l1_code *) dsp;
777 unsigned int sum = p->code - dsp;
778
779 if (len < sum)
780 return 1;
781
782 if (strcmp("STRATIPHY ANEXA", p->string_header) != 0 &&
783 strcmp("STRATIPHY ANEXB", p->string_header) != 0)
784 return 1;
785
786 for (i = 0; i < E4_MAX_PAGE_NUMBER; i++) {
787 struct block_index *blockidx;
788 u8 blockno = p->page_number_to_block_index[i];
789 if (blockno >= E4_NO_SWAPPAGE_HEADERS)
790 continue;
791
792 do {
793 u64 l;
794
795 if (blockno >= E4_NO_SWAPPAGE_HEADERS)
796 return 1;
797
798 blockidx = &p->page_header[blockno++];
799 if ((u8 *)(blockidx + 1) - dsp >= len)
800 return 1;
801
802 if (le16_to_cpu(blockidx->PageNumber) != i)
803 return 1;
804
805 l = E4_PAGE_BYTES(blockidx->PageSize);
806 sum += l;
807 l += le32_to_cpu(blockidx->PageOffset);
808 if (l > len)
809 return 1;
810
811 /* zero is zero regardless endianes */
812 } while (blockidx->NotLastBlock);
813 }
814
815 return (sum == len) ? 0 : 1;
816 }
817
818 /*
819 * send data to the idma pipe
820 * */
821 static int uea_idma_write(struct uea_softc *sc, const void *data, u32 size)
822 {
823 int ret = -ENOMEM;
824 u8 *xfer_buff;
825 int bytes_read;
826
827 xfer_buff = kmemdup(data, size, GFP_KERNEL);
828 if (!xfer_buff) {
829 uea_err(INS_TO_USBDEV(sc), "can't allocate xfer_buff\n");
830 return ret;
831 }
832
833 ret = usb_bulk_msg(sc->usb_dev,
834 usb_sndbulkpipe(sc->usb_dev, UEA_IDMA_PIPE),
835 xfer_buff, size, &bytes_read, BULK_TIMEOUT);
836
837 kfree(xfer_buff);
838 if (ret < 0)
839 return ret;
840 if (size != bytes_read) {
841 uea_err(INS_TO_USBDEV(sc), "size != bytes_read %d %d\n", size,
842 bytes_read);
843 return -EIO;
844 }
845
846 return 0;
847 }
848
849 static int request_dsp(struct uea_softc *sc)
850 {
851 int ret;
852 char *dsp_name;
853
854 if (UEA_CHIP_VERSION(sc) == EAGLE_IV) {
855 if (IS_ISDN(sc))
856 dsp_name = DSP4I_FIRMWARE;
857 else
858 dsp_name = DSP4P_FIRMWARE;
859 } else if (UEA_CHIP_VERSION(sc) == ADI930) {
860 if (IS_ISDN(sc))
861 dsp_name = DSP9I_FIRMWARE;
862 else
863 dsp_name = DSP9P_FIRMWARE;
864 } else {
865 if (IS_ISDN(sc))
866 dsp_name = DSPEI_FIRMWARE;
867 else
868 dsp_name = DSPEP_FIRMWARE;
869 }
870
871 ret = request_firmware(&sc->dsp_firm, dsp_name, &sc->usb_dev->dev);
872 if (ret < 0) {
873 uea_err(INS_TO_USBDEV(sc),
874 "requesting firmware %s failed with error %d\n",
875 dsp_name, ret);
876 return ret;
877 }
878
879 if (UEA_CHIP_VERSION(sc) == EAGLE_IV)
880 ret = check_dsp_e4(sc->dsp_firm->data, sc->dsp_firm->size);
881 else
882 ret = check_dsp_e1(sc->dsp_firm->data, sc->dsp_firm->size);
883
884 if (ret) {
885 uea_err(INS_TO_USBDEV(sc), "firmware %s is corrupted\n",
886 dsp_name);
887 release_firmware(sc->dsp_firm);
888 sc->dsp_firm = NULL;
889 return -EILSEQ;
890 }
891
892 return 0;
893 }
894
895 /*
896 * The uea_load_page() function must be called within a process context
897 */
898 static void uea_load_page_e1(struct work_struct *work)
899 {
900 struct uea_softc *sc = container_of(work, struct uea_softc, task);
901 u16 pageno = sc->pageno;
902 u16 ovl = sc->ovl;
903 struct block_info_e1 bi;
904
905 const u8 *p;
906 u8 pagecount, blockcount;
907 u16 blockaddr, blocksize;
908 u32 pageoffset;
909 int i;
910
911 /* reload firmware when reboot start and it's loaded already */
912 if (ovl == 0 && pageno == 0) {
913 release_firmware(sc->dsp_firm);
914 sc->dsp_firm = NULL;
915 }
916
917 if (sc->dsp_firm == NULL && request_dsp(sc) < 0)
918 return;
919
920 p = sc->dsp_firm->data;
921 pagecount = FW_GET_BYTE(p);
922 p += 1;
923
924 if (pageno >= pagecount)
925 goto bad1;
926
927 p += 4 * pageno;
928 pageoffset = get_unaligned_le32(p);
929
930 if (pageoffset == 0)
931 goto bad1;
932
933 p = sc->dsp_firm->data + pageoffset;
934 blockcount = FW_GET_BYTE(p);
935 p += 1;
936
937 uea_dbg(INS_TO_USBDEV(sc),
938 "sending %u blocks for DSP page %u\n", blockcount, pageno);
939
940 bi.wHdr = cpu_to_le16(UEA_BIHDR);
941 bi.wOvl = cpu_to_le16(ovl);
942 bi.wOvlOffset = cpu_to_le16(ovl | 0x8000);
943
944 for (i = 0; i < blockcount; i++) {
945 blockaddr = get_unaligned_le16(p);
946 p += 2;
947
948 blocksize = get_unaligned_le16(p);
949 p += 2;
950
951 bi.wSize = cpu_to_le16(blocksize);
952 bi.wAddress = cpu_to_le16(blockaddr);
953 bi.wLast = cpu_to_le16((i == blockcount - 1) ? 1 : 0);
954
955 /* send block info through the IDMA pipe */
956 if (uea_idma_write(sc, &bi, E1_BLOCK_INFO_SIZE))
957 goto bad2;
958
959 /* send block data through the IDMA pipe */
960 if (uea_idma_write(sc, p, blocksize))
961 goto bad2;
962
963 p += blocksize;
964 }
965
966 return;
967
968 bad2:
969 uea_err(INS_TO_USBDEV(sc), "sending DSP block %u failed\n", i);
970 return;
971 bad1:
972 uea_err(INS_TO_USBDEV(sc), "invalid DSP page %u requested\n", pageno);
973 }
974
975 static void __uea_load_page_e4(struct uea_softc *sc, u8 pageno, int boot)
976 {
977 struct block_info_e4 bi;
978 struct block_index *blockidx;
979 struct l1_code *p = (struct l1_code *) sc->dsp_firm->data;
980 u8 blockno = p->page_number_to_block_index[pageno];
981
982 bi.wHdr = cpu_to_be16(UEA_BIHDR);
983 bi.bBootPage = boot;
984 bi.bPageNumber = pageno;
985 bi.wReserved = cpu_to_be16(UEA_RESERVED);
986
987 do {
988 const u8 *blockoffset;
989 unsigned int blocksize;
990
991 blockidx = &p->page_header[blockno];
992 blocksize = E4_PAGE_BYTES(blockidx->PageSize);
993 blockoffset = sc->dsp_firm->data + le32_to_cpu(
994 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 "
1001 "%u size %u address %x\n",
1002 blockno, pageno, blocksize,
1003 le32_to_cpu(blockidx->PageAddress));
1004
1005 /* send block info through the IDMA pipe */
1006 if (uea_idma_write(sc, &bi, E4_BLOCK_INFO_SIZE))
1007 goto bad;
1008
1009 /* send block data through the IDMA pipe */
1010 if (uea_idma_write(sc, blockoffset, blocksize))
1011 goto bad;
1012
1013 blockno++;
1014 } while (blockidx->NotLastBlock);
1015
1016 return;
1017
1018 bad:
1019 uea_err(INS_TO_USBDEV(sc), "sending DSP block %u failed\n", blockno);
1020 return;
1021 }
1022
1023 static void uea_load_page_e4(struct work_struct *work)
1024 {
1025 struct uea_softc *sc = container_of(work, struct uea_softc, task);
1026 u8 pageno = sc->pageno;
1027 int i;
1028 struct block_info_e4 bi;
1029 struct l1_code *p;
1030
1031 uea_dbg(INS_TO_USBDEV(sc), "sending DSP page %u\n", pageno);
1032
1033 /* reload firmware when reboot start and it's loaded already */
1034 if (pageno == 0) {
1035 release_firmware(sc->dsp_firm);
1036 sc->dsp_firm = NULL;
1037 }
1038
1039 if (sc->dsp_firm == NULL && request_dsp(sc) < 0)
1040 return;
1041
1042 p = (struct l1_code *) sc->dsp_firm->data;
1043 if (pageno >= le16_to_cpu(p->page_header[0].PageNumber)) {
1044 uea_err(INS_TO_USBDEV(sc), "invalid DSP "
1045 "page %u requested\n", pageno);
1046 return;
1047 }
1048
1049 if (pageno != 0) {
1050 __uea_load_page_e4(sc, pageno, 0);
1051 return;
1052 }
1053
1054 uea_dbg(INS_TO_USBDEV(sc),
1055 "sending Main DSP page %u\n", p->page_header[0].PageNumber);
1056
1057 for (i = 0; i < le16_to_cpu(p->page_header[0].PageNumber); i++) {
1058 if (E4_IS_BOOT_PAGE(p->page_header[i].PageSize))
1059 __uea_load_page_e4(sc, i, 1);
1060 }
1061
1062 uea_dbg(INS_TO_USBDEV(sc) , "sending start bi\n");
1063
1064 bi.wHdr = cpu_to_be16(UEA_BIHDR);
1065 bi.bBootPage = 0;
1066 bi.bPageNumber = 0xff;
1067 bi.wReserved = cpu_to_be16(UEA_RESERVED);
1068 bi.dwSize = cpu_to_be32(E4_PAGE_BYTES(p->page_header[0].PageSize));
1069 bi.dwAddress = cpu_to_be32(le32_to_cpu(p->page_header[0].PageAddress));
1070
1071 /* send block info through the IDMA pipe */
1072 if (uea_idma_write(sc, &bi, E4_BLOCK_INFO_SIZE))
1073 uea_err(INS_TO_USBDEV(sc), "sending DSP start bi failed\n");
1074 }
1075
1076 static inline void wake_up_cmv_ack(struct uea_softc *sc)
1077 {
1078 BUG_ON(sc->cmv_ack);
1079 sc->cmv_ack = 1;
1080 wake_up(&sc->sync_q);
1081 }
1082
1083 static inline int wait_cmv_ack(struct uea_softc *sc)
1084 {
1085 int ret = uea_wait(sc, sc->cmv_ack , ACK_TIMEOUT);
1086
1087 sc->cmv_ack = 0;
1088
1089 uea_dbg(INS_TO_USBDEV(sc), "wait_event_timeout : %d ms\n",
1090 jiffies_to_msecs(ret));
1091
1092 if (ret < 0)
1093 return ret;
1094
1095 return (ret == 0) ? -ETIMEDOUT : 0;
1096 }
1097
1098 #define UCDC_SEND_ENCAPSULATED_COMMAND 0x00
1099
1100 static int uea_request(struct uea_softc *sc,
1101 u16 value, u16 index, u16 size, const void *data)
1102 {
1103 u8 *xfer_buff;
1104 int ret = -ENOMEM;
1105
1106 xfer_buff = kmemdup(data, size, GFP_KERNEL);
1107 if (!xfer_buff) {
1108 uea_err(INS_TO_USBDEV(sc), "can't allocate xfer_buff\n");
1109 return ret;
1110 }
1111
1112 ret = usb_control_msg(sc->usb_dev, usb_sndctrlpipe(sc->usb_dev, 0),
1113 UCDC_SEND_ENCAPSULATED_COMMAND,
1114 USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
1115 value, index, xfer_buff, size, CTRL_TIMEOUT);
1116
1117 kfree(xfer_buff);
1118 if (ret < 0) {
1119 uea_err(INS_TO_USBDEV(sc), "usb_control_msg error %d\n", ret);
1120 return ret;
1121 }
1122
1123 if (ret != size) {
1124 uea_err(INS_TO_USBDEV(sc),
1125 "usb_control_msg send only %d bytes (instead of %d)\n",
1126 ret, size);
1127 return -EIO;
1128 }
1129
1130 return 0;
1131 }
1132
1133 static int uea_cmv_e1(struct uea_softc *sc,
1134 u8 function, u32 address, u16 offset, u32 data)
1135 {
1136 struct cmv_e1 cmv;
1137 int ret;
1138
1139 uea_enters(INS_TO_USBDEV(sc));
1140 uea_vdbg(INS_TO_USBDEV(sc), "Function : %d-%d, Address : %c%c%c%c, "
1141 "offset : 0x%04x, data : 0x%08x\n",
1142 E1_FUNCTION_TYPE(function),
1143 E1_FUNCTION_SUBTYPE(function),
1144 E1_GETSA1(address), E1_GETSA2(address),
1145 E1_GETSA3(address),
1146 E1_GETSA4(address), offset, data);
1147
1148 /* we send a request, but we expect a reply */
1149 sc->cmv_dsc.e1.function = function | 0x2;
1150 sc->cmv_dsc.e1.idx++;
1151 sc->cmv_dsc.e1.address = address;
1152 sc->cmv_dsc.e1.offset = offset;
1153
1154 cmv.wPreamble = cpu_to_le16(E1_PREAMBLE);
1155 cmv.bDirection = E1_HOSTTOMODEM;
1156 cmv.bFunction = function;
1157 cmv.wIndex = cpu_to_le16(sc->cmv_dsc.e1.idx);
1158 put_unaligned_le32(address, &cmv.dwSymbolicAddress);
1159 cmv.wOffsetAddress = cpu_to_le16(offset);
1160 put_unaligned_le32(data >> 16 | data << 16, &cmv.dwData);
1161
1162 ret = uea_request(sc, UEA_E1_SET_BLOCK, UEA_MPTX_START,
1163 sizeof(cmv), &cmv);
1164 if (ret < 0)
1165 return ret;
1166 ret = wait_cmv_ack(sc);
1167 uea_leaves(INS_TO_USBDEV(sc));
1168 return ret;
1169 }
1170
1171 static int uea_cmv_e4(struct uea_softc *sc,
1172 u16 function, u16 group, u16 address, u16 offset, u32 data)
1173 {
1174 struct cmv_e4 cmv;
1175 int ret;
1176
1177 uea_enters(INS_TO_USBDEV(sc));
1178 memset(&cmv, 0, sizeof(cmv));
1179
1180 uea_vdbg(INS_TO_USBDEV(sc), "Function : %d-%d, Group : 0x%04x, "
1181 "Address : 0x%04x, offset : 0x%04x, data : 0x%08x\n",
1182 E4_FUNCTION_TYPE(function), E4_FUNCTION_SUBTYPE(function),
1183 group, address, offset, data);
1184
1185 /* we send a request, but we expect a reply */
1186 sc->cmv_dsc.e4.function = function | (0x1 << 4);
1187 sc->cmv_dsc.e4.offset = offset;
1188 sc->cmv_dsc.e4.address = address;
1189 sc->cmv_dsc.e4.group = group;
1190
1191 cmv.wFunction = cpu_to_be16(function);
1192 cmv.wGroup = cpu_to_be16(group);
1193 cmv.wAddress = cpu_to_be16(address);
1194 cmv.wOffset = cpu_to_be16(offset);
1195 cmv.dwData[0] = cpu_to_be32(data);
1196
1197 ret = uea_request(sc, UEA_E4_SET_BLOCK, UEA_MPTX_START,
1198 sizeof(cmv), &cmv);
1199 if (ret < 0)
1200 return ret;
1201 ret = wait_cmv_ack(sc);
1202 uea_leaves(INS_TO_USBDEV(sc));
1203 return ret;
1204 }
1205
1206 static inline int uea_read_cmv_e1(struct uea_softc *sc,
1207 u32 address, u16 offset, u32 *data)
1208 {
1209 int ret = uea_cmv_e1(sc, E1_MAKEFUNCTION(E1_MEMACCESS, E1_REQUESTREAD),
1210 address, offset, 0);
1211 if (ret < 0)
1212 uea_err(INS_TO_USBDEV(sc),
1213 "reading cmv failed with error %d\n", ret);
1214 else
1215 *data = sc->data;
1216
1217 return ret;
1218 }
1219
1220 static inline int uea_read_cmv_e4(struct uea_softc *sc,
1221 u8 size, u16 group, u16 address, u16 offset, u32 *data)
1222 {
1223 int ret = uea_cmv_e4(sc, E4_MAKEFUNCTION(E4_MEMACCESS,
1224 E4_REQUESTREAD, size),
1225 group, address, offset, 0);
1226 if (ret < 0)
1227 uea_err(INS_TO_USBDEV(sc),
1228 "reading cmv failed with error %d\n", ret);
1229 else {
1230 *data = sc->data;
1231 /* size is in 16-bit word quantities */
1232 if (size > 2)
1233 *(data + 1) = sc->data1;
1234 }
1235 return ret;
1236 }
1237
1238 static inline int uea_write_cmv_e1(struct uea_softc *sc,
1239 u32 address, u16 offset, u32 data)
1240 {
1241 int ret = uea_cmv_e1(sc, E1_MAKEFUNCTION(E1_MEMACCESS, E1_REQUESTWRITE),
1242 address, offset, data);
1243 if (ret < 0)
1244 uea_err(INS_TO_USBDEV(sc),
1245 "writing cmv failed with error %d\n", ret);
1246
1247 return ret;
1248 }
1249
1250 static inline int uea_write_cmv_e4(struct uea_softc *sc,
1251 u8 size, u16 group, u16 address, u16 offset, u32 data)
1252 {
1253 int ret = uea_cmv_e4(sc, E4_MAKEFUNCTION(E4_MEMACCESS,
1254 E4_REQUESTWRITE, size),
1255 group, address, offset, data);
1256 if (ret < 0)
1257 uea_err(INS_TO_USBDEV(sc),
1258 "writing cmv failed with error %d\n", ret);
1259
1260 return ret;
1261 }
1262
1263 static void uea_set_bulk_timeout(struct uea_softc *sc, u32 dsrate)
1264 {
1265 int ret;
1266 u16 timeout;
1267
1268 /* in bulk mode the modem have problem with high rate
1269 * changing internal timing could improve things, but the
1270 * value is mysterious.
1271 * ADI930 don't support it (-EPIPE error).
1272 */
1273
1274 if (UEA_CHIP_VERSION(sc) == ADI930 ||
1275 altsetting[sc->modem_index] > 0 ||
1276 sc->stats.phy.dsrate == dsrate)
1277 return;
1278
1279 /* Original timming (1Mbit/s) from ADI (used in windows driver) */
1280 timeout = (dsrate <= 1024*1024) ? 0 : 1;
1281 ret = uea_request(sc, UEA_SET_TIMEOUT, timeout, 0, NULL);
1282 uea_info(INS_TO_USBDEV(sc), "setting new timeout %d%s\n",
1283 timeout, ret < 0 ? " failed" : "");
1284
1285 }
1286
1287 /*
1288 * Monitor the modem and update the stat
1289 * return 0 if everything is ok
1290 * return < 0 if an error occurs (-EAGAIN reboot needed)
1291 */
1292 static int uea_stat_e1(struct uea_softc *sc)
1293 {
1294 u32 data;
1295 int ret;
1296
1297 uea_enters(INS_TO_USBDEV(sc));
1298 data = sc->stats.phy.state;
1299
1300 ret = uea_read_cmv_e1(sc, E1_SA_STAT, 0, &sc->stats.phy.state);
1301 if (ret < 0)
1302 return ret;
1303
1304 switch (GET_STATUS(sc->stats.phy.state)) {
1305 case 0: /* not yet synchronized */
1306 uea_dbg(INS_TO_USBDEV(sc),
1307 "modem not yet synchronized\n");
1308 return 0;
1309
1310 case 1: /* initialization */
1311 uea_dbg(INS_TO_USBDEV(sc), "modem initializing\n");
1312 return 0;
1313
1314 case 2: /* operational */
1315 uea_vdbg(INS_TO_USBDEV(sc), "modem operational\n");
1316 break;
1317
1318 case 3: /* fail ... */
1319 uea_info(INS_TO_USBDEV(sc), "modem synchronization failed"
1320 " (may be try other cmv/dsp)\n");
1321 return -EAGAIN;
1322
1323 case 4 ... 6: /* test state */
1324 uea_warn(INS_TO_USBDEV(sc),
1325 "modem in test mode - not supported\n");
1326 return -EAGAIN;
1327
1328 case 7: /* fast-retain ... */
1329 uea_info(INS_TO_USBDEV(sc), "modem in fast-retain mode\n");
1330 return 0;
1331 default:
1332 uea_err(INS_TO_USBDEV(sc), "modem invalid SW mode %d\n",
1333 GET_STATUS(sc->stats.phy.state));
1334 return -EAGAIN;
1335 }
1336
1337 if (GET_STATUS(data) != 2) {
1338 uea_request(sc, UEA_SET_MODE, UEA_LOOPBACK_OFF, 0, NULL);
1339 uea_info(INS_TO_USBDEV(sc), "modem operational\n");
1340
1341 /* release the dsp firmware as it is not needed until
1342 * the next failure
1343 */
1344 release_firmware(sc->dsp_firm);
1345 sc->dsp_firm = NULL;
1346 }
1347
1348 /* always update it as atm layer could not be init when we switch to
1349 * operational state
1350 */
1351 UPDATE_ATM_SIGNAL(ATM_PHY_SIG_FOUND);
1352
1353 /* wake up processes waiting for synchronization */
1354 wake_up(&sc->sync_q);
1355
1356 ret = uea_read_cmv_e1(sc, E1_SA_DIAG, 2, &sc->stats.phy.flags);
1357 if (ret < 0)
1358 return ret;
1359 sc->stats.phy.mflags |= sc->stats.phy.flags;
1360
1361 /* in case of a flags ( for example delineation LOSS (& 0x10)),
1362 * we check the status again in order to detect the failure earlier
1363 */
1364 if (sc->stats.phy.flags) {
1365 uea_dbg(INS_TO_USBDEV(sc), "Stat flag = 0x%x\n",
1366 sc->stats.phy.flags);
1367 return 0;
1368 }
1369
1370 ret = uea_read_cmv_e1(sc, E1_SA_RATE, 0, &data);
1371 if (ret < 0)
1372 return ret;
1373
1374 uea_set_bulk_timeout(sc, (data >> 16) * 32);
1375 sc->stats.phy.dsrate = (data >> 16) * 32;
1376 sc->stats.phy.usrate = (data & 0xffff) * 32;
1377 UPDATE_ATM_STAT(link_rate, sc->stats.phy.dsrate * 1000 / 424);
1378
1379 ret = uea_read_cmv_e1(sc, E1_SA_DIAG, 23, &data);
1380 if (ret < 0)
1381 return ret;
1382 sc->stats.phy.dsattenuation = (data & 0xff) / 2;
1383
1384 ret = uea_read_cmv_e1(sc, E1_SA_DIAG, 47, &data);
1385 if (ret < 0)
1386 return ret;
1387 sc->stats.phy.usattenuation = (data & 0xff) / 2;
1388
1389 ret = uea_read_cmv_e1(sc, E1_SA_DIAG, 25, &sc->stats.phy.dsmargin);
1390 if (ret < 0)
1391 return ret;
1392
1393 ret = uea_read_cmv_e1(sc, E1_SA_DIAG, 49, &sc->stats.phy.usmargin);
1394 if (ret < 0)
1395 return ret;
1396
1397 ret = uea_read_cmv_e1(sc, E1_SA_DIAG, 51, &sc->stats.phy.rxflow);
1398 if (ret < 0)
1399 return ret;
1400
1401 ret = uea_read_cmv_e1(sc, E1_SA_DIAG, 52, &sc->stats.phy.txflow);
1402 if (ret < 0)
1403 return ret;
1404
1405 ret = uea_read_cmv_e1(sc, E1_SA_DIAG, 54, &sc->stats.phy.dsunc);
1406 if (ret < 0)
1407 return ret;
1408
1409 /* only for atu-c */
1410 ret = uea_read_cmv_e1(sc, E1_SA_DIAG, 58, &sc->stats.phy.usunc);
1411 if (ret < 0)
1412 return ret;
1413
1414 ret = uea_read_cmv_e1(sc, E1_SA_DIAG, 53, &sc->stats.phy.dscorr);
1415 if (ret < 0)
1416 return ret;
1417
1418 /* only for atu-c */
1419 ret = uea_read_cmv_e1(sc, E1_SA_DIAG, 57, &sc->stats.phy.uscorr);
1420 if (ret < 0)
1421 return ret;
1422
1423 ret = uea_read_cmv_e1(sc, E1_SA_INFO, 8, &sc->stats.phy.vidco);
1424 if (ret < 0)
1425 return ret;
1426
1427 ret = uea_read_cmv_e1(sc, E1_SA_INFO, 13, &sc->stats.phy.vidcpe);
1428 if (ret < 0)
1429 return ret;
1430
1431 return 0;
1432 }
1433
1434 static int uea_stat_e4(struct uea_softc *sc)
1435 {
1436 u32 data;
1437 u32 tmp_arr[2];
1438 int ret;
1439
1440 uea_enters(INS_TO_USBDEV(sc));
1441 data = sc->stats.phy.state;
1442
1443 /* XXX only need to be done before operationnal... */
1444 ret = uea_read_cmv_e4(sc, 1, E4_SA_STAT, 0, 0, &sc->stats.phy.state);
1445 if (ret < 0)
1446 return ret;
1447
1448 switch (sc->stats.phy.state) {
1449 case 0x0: /* not yet synchronized */
1450 case 0x1:
1451 case 0x3:
1452 case 0x4:
1453 uea_dbg(INS_TO_USBDEV(sc), "modem not yet "
1454 "synchronized\n");
1455 return 0;
1456 case 0x5: /* initialization */
1457 case 0x6:
1458 case 0x9:
1459 case 0xa:
1460 uea_dbg(INS_TO_USBDEV(sc), "modem initializing\n");
1461 return 0;
1462 case 0x2: /* fail ... */
1463 uea_info(INS_TO_USBDEV(sc), "modem synchronization "
1464 "failed (may be try other cmv/dsp)\n");
1465 return -EAGAIN;
1466 case 0x7: /* operational */
1467 break;
1468 default:
1469 uea_warn(INS_TO_USBDEV(sc), "unknown state: %x\n",
1470 sc->stats.phy.state);
1471 return 0;
1472 }
1473
1474 if (data != 7) {
1475 uea_request(sc, UEA_SET_MODE, UEA_LOOPBACK_OFF, 0, NULL);
1476 uea_info(INS_TO_USBDEV(sc), "modem operational\n");
1477
1478 /* release the dsp firmware as it is not needed until
1479 * the next failure
1480 */
1481 release_firmware(sc->dsp_firm);
1482 sc->dsp_firm = NULL;
1483 }
1484
1485 /* always update it as atm layer could not be init when we switch to
1486 * operational state
1487 */
1488 UPDATE_ATM_SIGNAL(ATM_PHY_SIG_FOUND);
1489
1490 /* wake up processes waiting for synchronization */
1491 wake_up(&sc->sync_q);
1492
1493 /* TODO improve this state machine :
1494 * we need some CMV info : what they do and their unit
1495 * we should find the equivalent of eagle3- CMV
1496 */
1497 /* check flags */
1498 ret = uea_read_cmv_e4(sc, 1, E4_SA_DIAG, 0, 0, &sc->stats.phy.flags);
1499 if (ret < 0)
1500 return ret;
1501 sc->stats.phy.mflags |= sc->stats.phy.flags;
1502
1503 /* in case of a flags ( for example delineation LOSS (& 0x10)),
1504 * we check the status again in order to detect the failure earlier
1505 */
1506 if (sc->stats.phy.flags) {
1507 uea_dbg(INS_TO_USBDEV(sc), "Stat flag = 0x%x\n",
1508 sc->stats.phy.flags);
1509 if (sc->stats.phy.flags & 1) /* delineation LOSS */
1510 return -EAGAIN;
1511 if (sc->stats.phy.flags & 0x4000) /* Reset Flag */
1512 return -EAGAIN;
1513 return 0;
1514 }
1515
1516 /* rate data may be in upper or lower half of 64 bit word, strange */
1517 ret = uea_read_cmv_e4(sc, 4, E4_SA_RATE, 0, 0, tmp_arr);
1518 if (ret < 0)
1519 return ret;
1520 data = (tmp_arr[0]) ? tmp_arr[0] : tmp_arr[1];
1521 sc->stats.phy.usrate = data / 1000;
1522
1523 ret = uea_read_cmv_e4(sc, 4, E4_SA_RATE, 1, 0, tmp_arr);
1524 if (ret < 0)
1525 return ret;
1526 data = (tmp_arr[0]) ? tmp_arr[0] : tmp_arr[1];
1527 uea_set_bulk_timeout(sc, data / 1000);
1528 sc->stats.phy.dsrate = data / 1000;
1529 UPDATE_ATM_STAT(link_rate, sc->stats.phy.dsrate * 1000 / 424);
1530
1531 ret = uea_read_cmv_e4(sc, 1, E4_SA_INFO, 68, 1, &data);
1532 if (ret < 0)
1533 return ret;
1534 sc->stats.phy.dsattenuation = data / 10;
1535
1536 ret = uea_read_cmv_e4(sc, 1, E4_SA_INFO, 69, 1, &data);
1537 if (ret < 0)
1538 return ret;
1539 sc->stats.phy.usattenuation = data / 10;
1540
1541 ret = uea_read_cmv_e4(sc, 1, E4_SA_INFO, 68, 3, &data);
1542 if (ret < 0)
1543 return ret;
1544 sc->stats.phy.dsmargin = data / 2;
1545
1546 ret = uea_read_cmv_e4(sc, 1, E4_SA_INFO, 69, 3, &data);
1547 if (ret < 0)
1548 return ret;
1549 sc->stats.phy.usmargin = data / 10;
1550
1551 return 0;
1552 }
1553
1554 static void cmvs_file_name(struct uea_softc *sc, char *const cmv_name, int ver)
1555 {
1556 char file_arr[] = "CMVxy.bin";
1557 char *file;
1558
1559 kernel_param_lock(THIS_MODULE);
1560 /* set proper name corresponding modem version and line type */
1561 if (cmv_file[sc->modem_index] == NULL) {
1562 if (UEA_CHIP_VERSION(sc) == ADI930)
1563 file_arr[3] = '9';
1564 else if (UEA_CHIP_VERSION(sc) == EAGLE_IV)
1565 file_arr[3] = '4';
1566 else
1567 file_arr[3] = 'e';
1568
1569 file_arr[4] = IS_ISDN(sc) ? 'i' : 'p';
1570 file = file_arr;
1571 } else
1572 file = cmv_file[sc->modem_index];
1573
1574 strcpy(cmv_name, FW_DIR);
1575 strlcat(cmv_name, file, UEA_FW_NAME_MAX);
1576 if (ver == 2)
1577 strlcat(cmv_name, ".v2", UEA_FW_NAME_MAX);
1578 kernel_param_unlock(THIS_MODULE);
1579 }
1580
1581 static int request_cmvs_old(struct uea_softc *sc,
1582 void **cmvs, const struct firmware **fw)
1583 {
1584 int ret, size;
1585 u8 *data;
1586 char cmv_name[UEA_FW_NAME_MAX]; /* 30 bytes stack variable */
1587
1588 cmvs_file_name(sc, cmv_name, 1);
1589 ret = request_firmware(fw, cmv_name, &sc->usb_dev->dev);
1590 if (ret < 0) {
1591 uea_err(INS_TO_USBDEV(sc),
1592 "requesting firmware %s failed with error %d\n",
1593 cmv_name, ret);
1594 return ret;
1595 }
1596
1597 data = (u8 *) (*fw)->data;
1598 size = (*fw)->size;
1599 if (size < 1)
1600 goto err_fw_corrupted;
1601
1602 if (size != *data * sizeof(struct uea_cmvs_v1) + 1)
1603 goto err_fw_corrupted;
1604
1605 *cmvs = (void *)(data + 1);
1606 return *data;
1607
1608 err_fw_corrupted:
1609 uea_err(INS_TO_USBDEV(sc), "firmware %s is corrupted\n", cmv_name);
1610 release_firmware(*fw);
1611 return -EILSEQ;
1612 }
1613
1614 static int request_cmvs(struct uea_softc *sc,
1615 void **cmvs, const struct firmware **fw, int *ver)
1616 {
1617 int ret, size;
1618 u32 crc;
1619 u8 *data;
1620 char cmv_name[UEA_FW_NAME_MAX]; /* 30 bytes stack variable */
1621
1622 cmvs_file_name(sc, cmv_name, 2);
1623 ret = request_firmware(fw, cmv_name, &sc->usb_dev->dev);
1624 if (ret < 0) {
1625 /* if caller can handle old version, try to provide it */
1626 if (*ver == 1) {
1627 uea_warn(INS_TO_USBDEV(sc), "requesting "
1628 "firmware %s failed, "
1629 "try to get older cmvs\n", cmv_name);
1630 return request_cmvs_old(sc, cmvs, fw);
1631 }
1632 uea_err(INS_TO_USBDEV(sc),
1633 "requesting firmware %s failed with error %d\n",
1634 cmv_name, ret);
1635 return ret;
1636 }
1637
1638 size = (*fw)->size;
1639 data = (u8 *) (*fw)->data;
1640 if (size < 4 || strncmp(data, "cmv2", 4) != 0) {
1641 if (*ver == 1) {
1642 uea_warn(INS_TO_USBDEV(sc), "firmware %s is corrupted,"
1643 " try to get older cmvs\n", cmv_name);
1644 release_firmware(*fw);
1645 return request_cmvs_old(sc, cmvs, fw);
1646 }
1647 goto err_fw_corrupted;
1648 }
1649
1650 *ver = 2;
1651
1652 data += 4;
1653 size -= 4;
1654 if (size < 5)
1655 goto err_fw_corrupted;
1656
1657 crc = get_unaligned_le32(data);
1658 data += 4;
1659 size -= 4;
1660 if (crc32_be(0, data, size) != crc)
1661 goto err_fw_corrupted;
1662
1663 if (size != *data * sizeof(struct uea_cmvs_v2) + 1)
1664 goto err_fw_corrupted;
1665
1666 *cmvs = (void *) (data + 1);
1667 return *data;
1668
1669 err_fw_corrupted:
1670 uea_err(INS_TO_USBDEV(sc), "firmware %s is corrupted\n", cmv_name);
1671 release_firmware(*fw);
1672 return -EILSEQ;
1673 }
1674
1675 static int uea_send_cmvs_e1(struct uea_softc *sc)
1676 {
1677 int i, ret, len;
1678 void *cmvs_ptr;
1679 const struct firmware *cmvs_fw;
1680 int ver = 1; /* we can handle v1 cmv firmware version; */
1681
1682 /* Enter in R-IDLE (cmv) until instructed otherwise */
1683 ret = uea_write_cmv_e1(sc, E1_SA_CNTL, 0, 1);
1684 if (ret < 0)
1685 return ret;
1686
1687 /* Dump firmware version */
1688 ret = uea_read_cmv_e1(sc, E1_SA_INFO, 10, &sc->stats.phy.firmid);
1689 if (ret < 0)
1690 return ret;
1691 uea_info(INS_TO_USBDEV(sc), "ATU-R firmware version : %x\n",
1692 sc->stats.phy.firmid);
1693
1694 /* get options */
1695 ret = len = request_cmvs(sc, &cmvs_ptr, &cmvs_fw, &ver);
1696 if (ret < 0)
1697 return ret;
1698
1699 /* send options */
1700 if (ver == 1) {
1701 struct uea_cmvs_v1 *cmvs_v1 = cmvs_ptr;
1702
1703 uea_warn(INS_TO_USBDEV(sc), "use deprecated cmvs version, "
1704 "please update your firmware\n");
1705
1706 for (i = 0; i < len; i++) {
1707 ret = uea_write_cmv_e1(sc,
1708 get_unaligned_le32(&cmvs_v1[i].address),
1709 get_unaligned_le16(&cmvs_v1[i].offset),
1710 get_unaligned_le32(&cmvs_v1[i].data));
1711 if (ret < 0)
1712 goto out;
1713 }
1714 } else if (ver == 2) {
1715 struct uea_cmvs_v2 *cmvs_v2 = cmvs_ptr;
1716
1717 for (i = 0; i < len; i++) {
1718 ret = uea_write_cmv_e1(sc,
1719 get_unaligned_le32(&cmvs_v2[i].address),
1720 (u16) get_unaligned_le32(&cmvs_v2[i].offset),
1721 get_unaligned_le32(&cmvs_v2[i].data));
1722 if (ret < 0)
1723 goto out;
1724 }
1725 } else {
1726 /* This really should not happen */
1727 uea_err(INS_TO_USBDEV(sc), "bad cmvs version %d\n", ver);
1728 goto out;
1729 }
1730
1731 /* Enter in R-ACT-REQ */
1732 ret = uea_write_cmv_e1(sc, E1_SA_CNTL, 0, 2);
1733 uea_vdbg(INS_TO_USBDEV(sc), "Entering in R-ACT-REQ state\n");
1734 uea_info(INS_TO_USBDEV(sc), "modem started, waiting "
1735 "synchronization...\n");
1736 out:
1737 release_firmware(cmvs_fw);
1738 return ret;
1739 }
1740
1741 static int uea_send_cmvs_e4(struct uea_softc *sc)
1742 {
1743 int i, ret, len;
1744 void *cmvs_ptr;
1745 const struct firmware *cmvs_fw;
1746 int ver = 2; /* we can only handle v2 cmv firmware version; */
1747
1748 /* Enter in R-IDLE (cmv) until instructed otherwise */
1749 ret = uea_write_cmv_e4(sc, 1, E4_SA_CNTL, 0, 0, 1);
1750 if (ret < 0)
1751 return ret;
1752
1753 /* Dump firmware version */
1754 /* XXX don't read the 3th byte as it is always 6 */
1755 ret = uea_read_cmv_e4(sc, 2, E4_SA_INFO, 55, 0, &sc->stats.phy.firmid);
1756 if (ret < 0)
1757 return ret;
1758 uea_info(INS_TO_USBDEV(sc), "ATU-R firmware version : %x\n",
1759 sc->stats.phy.firmid);
1760
1761
1762 /* get options */
1763 ret = len = request_cmvs(sc, &cmvs_ptr, &cmvs_fw, &ver);
1764 if (ret < 0)
1765 return ret;
1766
1767 /* send options */
1768 if (ver == 2) {
1769 struct uea_cmvs_v2 *cmvs_v2 = cmvs_ptr;
1770
1771 for (i = 0; i < len; i++) {
1772 ret = uea_write_cmv_e4(sc, 1,
1773 get_unaligned_le32(&cmvs_v2[i].group),
1774 get_unaligned_le32(&cmvs_v2[i].address),
1775 get_unaligned_le32(&cmvs_v2[i].offset),
1776 get_unaligned_le32(&cmvs_v2[i].data));
1777 if (ret < 0)
1778 goto out;
1779 }
1780 } else {
1781 /* This really should not happen */
1782 uea_err(INS_TO_USBDEV(sc), "bad cmvs version %d\n", ver);
1783 goto out;
1784 }
1785
1786 /* Enter in R-ACT-REQ */
1787 ret = uea_write_cmv_e4(sc, 1, E4_SA_CNTL, 0, 0, 2);
1788 uea_vdbg(INS_TO_USBDEV(sc), "Entering in R-ACT-REQ state\n");
1789 uea_info(INS_TO_USBDEV(sc), "modem started, waiting "
1790 "synchronization...\n");
1791 out:
1792 release_firmware(cmvs_fw);
1793 return ret;
1794 }
1795
1796 /* Start boot post firmware modem:
1797 * - send reset commands through usb control pipe
1798 * - start workqueue for DSP loading
1799 * - send CMV options to modem
1800 */
1801
1802 static int uea_start_reset(struct uea_softc *sc)
1803 {
1804 u16 zero = 0; /* ;-) */
1805 int ret;
1806
1807 uea_enters(INS_TO_USBDEV(sc));
1808 uea_info(INS_TO_USBDEV(sc), "(re)booting started\n");
1809
1810 /* mask interrupt */
1811 sc->booting = 1;
1812 /* We need to set this here because, a ack timeout could have occurred,
1813 * but before we start the reboot, the ack occurs and set this to 1.
1814 * So we will failed to wait Ready CMV.
1815 */
1816 sc->cmv_ack = 0;
1817 UPDATE_ATM_SIGNAL(ATM_PHY_SIG_LOST);
1818
1819 /* reset statistics */
1820 memset(&sc->stats, 0, sizeof(struct uea_stats));
1821
1822 /* tell the modem that we want to boot in IDMA mode */
1823 uea_request(sc, UEA_SET_MODE, UEA_LOOPBACK_ON, 0, NULL);
1824 uea_request(sc, UEA_SET_MODE, UEA_BOOT_IDMA, 0, NULL);
1825
1826 /* enter reset mode */
1827 uea_request(sc, UEA_SET_MODE, UEA_START_RESET, 0, NULL);
1828
1829 /* original driver use 200ms, but windows driver use 100ms */
1830 ret = uea_wait(sc, 0, msecs_to_jiffies(100));
1831 if (ret < 0)
1832 return ret;
1833
1834 /* leave reset mode */
1835 uea_request(sc, UEA_SET_MODE, UEA_END_RESET, 0, NULL);
1836
1837 if (UEA_CHIP_VERSION(sc) != EAGLE_IV) {
1838 /* clear tx and rx mailboxes */
1839 uea_request(sc, UEA_SET_2183_DATA, UEA_MPTX_MAILBOX, 2, &zero);
1840 uea_request(sc, UEA_SET_2183_DATA, UEA_MPRX_MAILBOX, 2, &zero);
1841 uea_request(sc, UEA_SET_2183_DATA, UEA_SWAP_MAILBOX, 2, &zero);
1842 }
1843
1844 ret = uea_wait(sc, 0, msecs_to_jiffies(1000));
1845 if (ret < 0)
1846 return ret;
1847
1848 if (UEA_CHIP_VERSION(sc) == EAGLE_IV)
1849 sc->cmv_dsc.e4.function = E4_MAKEFUNCTION(E4_ADSLDIRECTIVE,
1850 E4_MODEMREADY, 1);
1851 else
1852 sc->cmv_dsc.e1.function = E1_MAKEFUNCTION(E1_ADSLDIRECTIVE,
1853 E1_MODEMREADY);
1854
1855 /* demask interrupt */
1856 sc->booting = 0;
1857
1858 /* start loading DSP */
1859 sc->pageno = 0;
1860 sc->ovl = 0;
1861 schedule_work(&sc->task);
1862
1863 /* wait for modem ready CMV */
1864 ret = wait_cmv_ack(sc);
1865 if (ret < 0)
1866 return ret;
1867
1868 uea_vdbg(INS_TO_USBDEV(sc), "Ready CMV received\n");
1869
1870 ret = sc->send_cmvs(sc);
1871 if (ret < 0)
1872 return ret;
1873
1874 sc->reset = 0;
1875 uea_leaves(INS_TO_USBDEV(sc));
1876 return ret;
1877 }
1878
1879 /*
1880 * In case of an error wait 1s before rebooting the modem
1881 * if the modem don't request reboot (-EAGAIN).
1882 * Monitor the modem every 1s.
1883 */
1884
1885 static int uea_kthread(void *data)
1886 {
1887 struct uea_softc *sc = data;
1888 int ret = -EAGAIN;
1889
1890 set_freezable();
1891 uea_enters(INS_TO_USBDEV(sc));
1892 while (!kthread_should_stop()) {
1893 if (ret < 0 || sc->reset)
1894 ret = uea_start_reset(sc);
1895 if (!ret)
1896 ret = sc->stat(sc);
1897 if (ret != -EAGAIN)
1898 uea_wait(sc, 0, msecs_to_jiffies(1000));
1899 try_to_freeze();
1900 }
1901 uea_leaves(INS_TO_USBDEV(sc));
1902 return ret;
1903 }
1904
1905 /* Load second usb firmware for ADI930 chip */
1906 static int load_XILINX_firmware(struct uea_softc *sc)
1907 {
1908 const struct firmware *fw_entry;
1909 int ret, size, u, ln;
1910 const u8 *pfw;
1911 u8 value;
1912 char *fw_name = FPGA930_FIRMWARE;
1913
1914 uea_enters(INS_TO_USBDEV(sc));
1915
1916 ret = request_firmware(&fw_entry, fw_name, &sc->usb_dev->dev);
1917 if (ret) {
1918 uea_err(INS_TO_USBDEV(sc), "firmware %s is not available\n",
1919 fw_name);
1920 goto err0;
1921 }
1922
1923 pfw = fw_entry->data;
1924 size = fw_entry->size;
1925 if (size != 0x577B) {
1926 uea_err(INS_TO_USBDEV(sc), "firmware %s is corrupted\n",
1927 fw_name);
1928 ret = -EILSEQ;
1929 goto err1;
1930 }
1931 for (u = 0; u < size; u += ln) {
1932 ln = min(size - u, 64);
1933 ret = uea_request(sc, 0xe, 0, ln, pfw + u);
1934 if (ret < 0) {
1935 uea_err(INS_TO_USBDEV(sc),
1936 "elsa download data failed (%d)\n", ret);
1937 goto err1;
1938 }
1939 }
1940
1941 /* finish to send the fpga */
1942 ret = uea_request(sc, 0xe, 1, 0, NULL);
1943 if (ret < 0) {
1944 uea_err(INS_TO_USBDEV(sc),
1945 "elsa download data failed (%d)\n", ret);
1946 goto err1;
1947 }
1948
1949 /* Tell the modem we finish : de-assert reset */
1950 value = 0;
1951 ret = uea_send_modem_cmd(sc->usb_dev, 0xe, 1, &value);
1952 if (ret < 0)
1953 uea_err(sc->usb_dev, "elsa de-assert failed with error"
1954 " %d\n", ret);
1955
1956 err1:
1957 release_firmware(fw_entry);
1958 err0:
1959 uea_leaves(INS_TO_USBDEV(sc));
1960 return ret;
1961 }
1962
1963 /* The modem send us an ack. First with check if it right */
1964 static void uea_dispatch_cmv_e1(struct uea_softc *sc, struct intr_pkt *intr)
1965 {
1966 struct cmv_dsc_e1 *dsc = &sc->cmv_dsc.e1;
1967 struct cmv_e1 *cmv = &intr->u.e1.s2.cmv;
1968
1969 uea_enters(INS_TO_USBDEV(sc));
1970 if (le16_to_cpu(cmv->wPreamble) != E1_PREAMBLE)
1971 goto bad1;
1972
1973 if (cmv->bDirection != E1_MODEMTOHOST)
1974 goto bad1;
1975
1976 /* FIXME : ADI930 reply wrong preambule (func = 2, sub = 2) to
1977 * the first MEMACCESS cmv. Ignore it...
1978 */
1979 if (cmv->bFunction != dsc->function) {
1980 if (UEA_CHIP_VERSION(sc) == ADI930
1981 && cmv->bFunction == E1_MAKEFUNCTION(2, 2)) {
1982 cmv->wIndex = cpu_to_le16(dsc->idx);
1983 put_unaligned_le32(dsc->address,
1984 &cmv->dwSymbolicAddress);
1985 cmv->wOffsetAddress = cpu_to_le16(dsc->offset);
1986 } else
1987 goto bad2;
1988 }
1989
1990 if (cmv->bFunction == E1_MAKEFUNCTION(E1_ADSLDIRECTIVE,
1991 E1_MODEMREADY)) {
1992 wake_up_cmv_ack(sc);
1993 uea_leaves(INS_TO_USBDEV(sc));
1994 return;
1995 }
1996
1997 /* in case of MEMACCESS */
1998 if (le16_to_cpu(cmv->wIndex) != dsc->idx ||
1999 get_unaligned_le32(&cmv->dwSymbolicAddress) != dsc->address ||
2000 le16_to_cpu(cmv->wOffsetAddress) != dsc->offset)
2001 goto bad2;
2002
2003 sc->data = get_unaligned_le32(&cmv->dwData);
2004 sc->data = sc->data << 16 | sc->data >> 16;
2005
2006 wake_up_cmv_ack(sc);
2007 uea_leaves(INS_TO_USBDEV(sc));
2008 return;
2009
2010 bad2:
2011 uea_err(INS_TO_USBDEV(sc), "unexpected cmv received, "
2012 "Function : %d, Subfunction : %d\n",
2013 E1_FUNCTION_TYPE(cmv->bFunction),
2014 E1_FUNCTION_SUBTYPE(cmv->bFunction));
2015 uea_leaves(INS_TO_USBDEV(sc));
2016 return;
2017
2018 bad1:
2019 uea_err(INS_TO_USBDEV(sc), "invalid cmv received, "
2020 "wPreamble %d, bDirection %d\n",
2021 le16_to_cpu(cmv->wPreamble), cmv->bDirection);
2022 uea_leaves(INS_TO_USBDEV(sc));
2023 }
2024
2025 /* The modem send us an ack. First with check if it right */
2026 static void uea_dispatch_cmv_e4(struct uea_softc *sc, struct intr_pkt *intr)
2027 {
2028 struct cmv_dsc_e4 *dsc = &sc->cmv_dsc.e4;
2029 struct cmv_e4 *cmv = &intr->u.e4.s2.cmv;
2030
2031 uea_enters(INS_TO_USBDEV(sc));
2032 uea_dbg(INS_TO_USBDEV(sc), "cmv %x %x %x %x %x %x\n",
2033 be16_to_cpu(cmv->wGroup), be16_to_cpu(cmv->wFunction),
2034 be16_to_cpu(cmv->wOffset), be16_to_cpu(cmv->wAddress),
2035 be32_to_cpu(cmv->dwData[0]), be32_to_cpu(cmv->dwData[1]));
2036
2037 if (be16_to_cpu(cmv->wFunction) != dsc->function)
2038 goto bad2;
2039
2040 if (be16_to_cpu(cmv->wFunction) == E4_MAKEFUNCTION(E4_ADSLDIRECTIVE,
2041 E4_MODEMREADY, 1)) {
2042 wake_up_cmv_ack(sc);
2043 uea_leaves(INS_TO_USBDEV(sc));
2044 return;
2045 }
2046
2047 /* in case of MEMACCESS */
2048 if (be16_to_cpu(cmv->wOffset) != dsc->offset ||
2049 be16_to_cpu(cmv->wGroup) != dsc->group ||
2050 be16_to_cpu(cmv->wAddress) != dsc->address)
2051 goto bad2;
2052
2053 sc->data = be32_to_cpu(cmv->dwData[0]);
2054 sc->data1 = be32_to_cpu(cmv->dwData[1]);
2055 wake_up_cmv_ack(sc);
2056 uea_leaves(INS_TO_USBDEV(sc));
2057 return;
2058
2059 bad2:
2060 uea_err(INS_TO_USBDEV(sc), "unexpected cmv received, "
2061 "Function : %d, Subfunction : %d\n",
2062 E4_FUNCTION_TYPE(cmv->wFunction),
2063 E4_FUNCTION_SUBTYPE(cmv->wFunction));
2064 uea_leaves(INS_TO_USBDEV(sc));
2065 return;
2066 }
2067
2068 static void uea_schedule_load_page_e1(struct uea_softc *sc,
2069 struct intr_pkt *intr)
2070 {
2071 sc->pageno = intr->e1_bSwapPageNo;
2072 sc->ovl = intr->e1_bOvl >> 4 | intr->e1_bOvl << 4;
2073 schedule_work(&sc->task);
2074 }
2075
2076 static void uea_schedule_load_page_e4(struct uea_softc *sc,
2077 struct intr_pkt *intr)
2078 {
2079 sc->pageno = intr->e4_bSwapPageNo;
2080 schedule_work(&sc->task);
2081 }
2082
2083 /*
2084 * interrupt handler
2085 */
2086 static void uea_intr(struct urb *urb)
2087 {
2088 struct uea_softc *sc = urb->context;
2089 struct intr_pkt *intr = urb->transfer_buffer;
2090 int status = urb->status;
2091
2092 uea_enters(INS_TO_USBDEV(sc));
2093
2094 if (unlikely(status < 0)) {
2095 uea_err(INS_TO_USBDEV(sc), "uea_intr() failed with %d\n",
2096 status);
2097 return;
2098 }
2099
2100 /* device-to-host interrupt */
2101 if (intr->bType != 0x08 || sc->booting) {
2102 uea_err(INS_TO_USBDEV(sc), "wrong interrupt\n");
2103 goto resubmit;
2104 }
2105
2106 switch (le16_to_cpu(intr->wInterrupt)) {
2107 case INT_LOADSWAPPAGE:
2108 sc->schedule_load_page(sc, intr);
2109 break;
2110
2111 case INT_INCOMINGCMV:
2112 sc->dispatch_cmv(sc, intr);
2113 break;
2114
2115 default:
2116 uea_err(INS_TO_USBDEV(sc), "unknown interrupt %u\n",
2117 le16_to_cpu(intr->wInterrupt));
2118 }
2119
2120 resubmit:
2121 usb_submit_urb(sc->urb_int, GFP_ATOMIC);
2122 }
2123
2124 /*
2125 * Start the modem : init the data and start kernel thread
2126 */
2127 static int uea_boot(struct uea_softc *sc, struct usb_interface *intf)
2128 {
2129 struct intr_pkt *intr;
2130 int ret = -ENOMEM;
2131 int size;
2132
2133 uea_enters(INS_TO_USBDEV(sc));
2134
2135 if (UEA_CHIP_VERSION(sc) == EAGLE_IV) {
2136 size = E4_INTR_PKT_SIZE;
2137 sc->dispatch_cmv = uea_dispatch_cmv_e4;
2138 sc->schedule_load_page = uea_schedule_load_page_e4;
2139 sc->stat = uea_stat_e4;
2140 sc->send_cmvs = uea_send_cmvs_e4;
2141 INIT_WORK(&sc->task, uea_load_page_e4);
2142 } else {
2143 size = E1_INTR_PKT_SIZE;
2144 sc->dispatch_cmv = uea_dispatch_cmv_e1;
2145 sc->schedule_load_page = uea_schedule_load_page_e1;
2146 sc->stat = uea_stat_e1;
2147 sc->send_cmvs = uea_send_cmvs_e1;
2148 INIT_WORK(&sc->task, uea_load_page_e1);
2149 }
2150
2151 init_waitqueue_head(&sc->sync_q);
2152
2153 if (UEA_CHIP_VERSION(sc) == ADI930)
2154 load_XILINX_firmware(sc);
2155
2156 if (intf->cur_altsetting->desc.bNumEndpoints < 1) {
2157 ret = -ENODEV;
2158 goto err0;
2159 }
2160
2161 intr = kmalloc(size, GFP_KERNEL);
2162 if (!intr)
2163 goto err0;
2164
2165 sc->urb_int = usb_alloc_urb(0, GFP_KERNEL);
2166 if (!sc->urb_int)
2167 goto err1;
2168
2169 usb_fill_int_urb(sc->urb_int, sc->usb_dev,
2170 usb_rcvintpipe(sc->usb_dev, UEA_INTR_PIPE),
2171 intr, size, uea_intr, sc,
2172 intf->cur_altsetting->endpoint[0].desc.bInterval);
2173
2174 ret = usb_submit_urb(sc->urb_int, GFP_KERNEL);
2175 if (ret < 0) {
2176 uea_err(INS_TO_USBDEV(sc),
2177 "urb submission failed with error %d\n", ret);
2178 goto err1;
2179 }
2180
2181 /* Create worker thread, but don't start it here. Start it after
2182 * all usbatm generic initialization is done.
2183 */
2184 sc->kthread = kthread_create(uea_kthread, sc, "ueagle-atm");
2185 if (IS_ERR(sc->kthread)) {
2186 uea_err(INS_TO_USBDEV(sc), "failed to create thread\n");
2187 ret = PTR_ERR(sc->kthread);
2188 goto err2;
2189 }
2190
2191 uea_leaves(INS_TO_USBDEV(sc));
2192 return 0;
2193
2194 err2:
2195 usb_kill_urb(sc->urb_int);
2196 err1:
2197 usb_free_urb(sc->urb_int);
2198 sc->urb_int = NULL;
2199 kfree(intr);
2200 err0:
2201 uea_leaves(INS_TO_USBDEV(sc));
2202 return ret;
2203 }
2204
2205 /*
2206 * Stop the modem : kill kernel thread and free data
2207 */
2208 static void uea_stop(struct uea_softc *sc)
2209 {
2210 int ret;
2211 uea_enters(INS_TO_USBDEV(sc));
2212 ret = kthread_stop(sc->kthread);
2213 uea_dbg(INS_TO_USBDEV(sc), "kthread finish with status %d\n", ret);
2214
2215 uea_request(sc, UEA_SET_MODE, UEA_LOOPBACK_ON, 0, NULL);
2216
2217 usb_kill_urb(sc->urb_int);
2218 kfree(sc->urb_int->transfer_buffer);
2219 usb_free_urb(sc->urb_int);
2220
2221 /* flush the work item, when no one can schedule it */
2222 flush_work(&sc->task);
2223
2224 release_firmware(sc->dsp_firm);
2225 uea_leaves(INS_TO_USBDEV(sc));
2226 }
2227
2228 /* syfs interface */
2229 static struct uea_softc *dev_to_uea(struct device *dev)
2230 {
2231 struct usb_interface *intf;
2232 struct usbatm_data *usbatm;
2233
2234 intf = to_usb_interface(dev);
2235 if (!intf)
2236 return NULL;
2237
2238 usbatm = usb_get_intfdata(intf);
2239 if (!usbatm)
2240 return NULL;
2241
2242 return usbatm->driver_data;
2243 }
2244
2245 static ssize_t stat_status_show(struct device *dev, struct device_attribute *attr,
2246 char *buf)
2247 {
2248 int ret = -ENODEV;
2249 struct uea_softc *sc;
2250
2251 mutex_lock(&uea_mutex);
2252 sc = dev_to_uea(dev);
2253 if (!sc)
2254 goto out;
2255 ret = snprintf(buf, 10, "%08x\n", sc->stats.phy.state);
2256 out:
2257 mutex_unlock(&uea_mutex);
2258 return ret;
2259 }
2260
2261 static ssize_t stat_status_store(struct device *dev, struct device_attribute *attr,
2262 const char *buf, size_t count)
2263 {
2264 int ret = -ENODEV;
2265 struct uea_softc *sc;
2266
2267 mutex_lock(&uea_mutex);
2268 sc = dev_to_uea(dev);
2269 if (!sc)
2270 goto out;
2271 sc->reset = 1;
2272 ret = count;
2273 out:
2274 mutex_unlock(&uea_mutex);
2275 return ret;
2276 }
2277
2278 static DEVICE_ATTR_RW(stat_status);
2279
2280 static ssize_t stat_human_status_show(struct device *dev,
2281 struct device_attribute *attr, char *buf)
2282 {
2283 int ret = -ENODEV;
2284 int modem_state;
2285 struct uea_softc *sc;
2286
2287 mutex_lock(&uea_mutex);
2288 sc = dev_to_uea(dev);
2289 if (!sc)
2290 goto out;
2291
2292 if (UEA_CHIP_VERSION(sc) == EAGLE_IV) {
2293 switch (sc->stats.phy.state) {
2294 case 0x0: /* not yet synchronized */
2295 case 0x1:
2296 case 0x3:
2297 case 0x4:
2298 modem_state = 0;
2299 break;
2300 case 0x5: /* initialization */
2301 case 0x6:
2302 case 0x9:
2303 case 0xa:
2304 modem_state = 1;
2305 break;
2306 case 0x7: /* operational */
2307 modem_state = 2;
2308 break;
2309 case 0x2: /* fail ... */
2310 modem_state = 3;
2311 break;
2312 default: /* unknown */
2313 modem_state = 4;
2314 break;
2315 }
2316 } else
2317 modem_state = GET_STATUS(sc->stats.phy.state);
2318
2319 switch (modem_state) {
2320 case 0:
2321 ret = sprintf(buf, "Modem is booting\n");
2322 break;
2323 case 1:
2324 ret = sprintf(buf, "Modem is initializing\n");
2325 break;
2326 case 2:
2327 ret = sprintf(buf, "Modem is operational\n");
2328 break;
2329 case 3:
2330 ret = sprintf(buf, "Modem synchronization failed\n");
2331 break;
2332 default:
2333 ret = sprintf(buf, "Modem state is unknown\n");
2334 break;
2335 }
2336 out:
2337 mutex_unlock(&uea_mutex);
2338 return ret;
2339 }
2340
2341 static DEVICE_ATTR_RO(stat_human_status);
2342
2343 static ssize_t stat_delin_show(struct device *dev, struct device_attribute *attr,
2344 char *buf)
2345 {
2346 int ret = -ENODEV;
2347 struct uea_softc *sc;
2348 char *delin = "GOOD";
2349
2350 mutex_lock(&uea_mutex);
2351 sc = dev_to_uea(dev);
2352 if (!sc)
2353 goto out;
2354
2355 if (UEA_CHIP_VERSION(sc) == EAGLE_IV) {
2356 if (sc->stats.phy.flags & 0x4000)
2357 delin = "RESET";
2358 else if (sc->stats.phy.flags & 0x0001)
2359 delin = "LOSS";
2360 } else {
2361 if (sc->stats.phy.flags & 0x0C00)
2362 delin = "ERROR";
2363 else if (sc->stats.phy.flags & 0x0030)
2364 delin = "LOSS";
2365 }
2366
2367 ret = sprintf(buf, "%s\n", delin);
2368 out:
2369 mutex_unlock(&uea_mutex);
2370 return ret;
2371 }
2372
2373 static DEVICE_ATTR_RO(stat_delin);
2374
2375 #define UEA_ATTR(name, reset) \
2376 \
2377 static ssize_t stat_##name##_show(struct device *dev, \
2378 struct device_attribute *attr, char *buf) \
2379 { \
2380 int ret = -ENODEV; \
2381 struct uea_softc *sc; \
2382 \
2383 mutex_lock(&uea_mutex); \
2384 sc = dev_to_uea(dev); \
2385 if (!sc) \
2386 goto out; \
2387 ret = snprintf(buf, 10, "%08x\n", sc->stats.phy.name); \
2388 if (reset) \
2389 sc->stats.phy.name = 0; \
2390 out: \
2391 mutex_unlock(&uea_mutex); \
2392 return ret; \
2393 } \
2394 \
2395 static DEVICE_ATTR_RO(stat_##name)
2396
2397 UEA_ATTR(mflags, 1);
2398 UEA_ATTR(vidcpe, 0);
2399 UEA_ATTR(usrate, 0);
2400 UEA_ATTR(dsrate, 0);
2401 UEA_ATTR(usattenuation, 0);
2402 UEA_ATTR(dsattenuation, 0);
2403 UEA_ATTR(usmargin, 0);
2404 UEA_ATTR(dsmargin, 0);
2405 UEA_ATTR(txflow, 0);
2406 UEA_ATTR(rxflow, 0);
2407 UEA_ATTR(uscorr, 0);
2408 UEA_ATTR(dscorr, 0);
2409 UEA_ATTR(usunc, 0);
2410 UEA_ATTR(dsunc, 0);
2411 UEA_ATTR(firmid, 0);
2412
2413 /* Retrieve the device End System Identifier (MAC) */
2414
2415 static int uea_getesi(struct uea_softc *sc, u_char *esi)
2416 {
2417 unsigned char mac_str[2 * ETH_ALEN + 1];
2418 int i;
2419 if (usb_string
2420 (sc->usb_dev, sc->usb_dev->descriptor.iSerialNumber, mac_str,
2421 sizeof(mac_str)) != 2 * ETH_ALEN)
2422 return 1;
2423
2424 for (i = 0; i < ETH_ALEN; i++)
2425 esi[i] = hex_to_bin(mac_str[2 * i]) * 16 +
2426 hex_to_bin(mac_str[2 * i + 1]);
2427
2428 return 0;
2429 }
2430
2431 /* ATM stuff */
2432 static int uea_atm_open(struct usbatm_data *usbatm, struct atm_dev *atm_dev)
2433 {
2434 struct uea_softc *sc = usbatm->driver_data;
2435
2436 return uea_getesi(sc, atm_dev->esi);
2437 }
2438
2439 static int uea_heavy(struct usbatm_data *usbatm, struct usb_interface *intf)
2440 {
2441 struct uea_softc *sc = usbatm->driver_data;
2442
2443 wait_event_interruptible(sc->sync_q, IS_OPERATIONAL(sc));
2444
2445 return 0;
2446
2447 }
2448
2449 static int claim_interface(struct usb_device *usb_dev,
2450 struct usbatm_data *usbatm, int ifnum)
2451 {
2452 int ret;
2453 struct usb_interface *intf = usb_ifnum_to_if(usb_dev, ifnum);
2454
2455 if (!intf) {
2456 uea_err(usb_dev, "interface %d not found\n", ifnum);
2457 return -ENODEV;
2458 }
2459
2460 ret = usb_driver_claim_interface(&uea_driver, intf, usbatm);
2461 if (ret != 0)
2462 uea_err(usb_dev, "can't claim interface %d, error %d\n", ifnum,
2463 ret);
2464 return ret;
2465 }
2466
2467 static struct attribute *uea_attrs[] = {
2468 &dev_attr_stat_status.attr,
2469 &dev_attr_stat_mflags.attr,
2470 &dev_attr_stat_human_status.attr,
2471 &dev_attr_stat_delin.attr,
2472 &dev_attr_stat_vidcpe.attr,
2473 &dev_attr_stat_usrate.attr,
2474 &dev_attr_stat_dsrate.attr,
2475 &dev_attr_stat_usattenuation.attr,
2476 &dev_attr_stat_dsattenuation.attr,
2477 &dev_attr_stat_usmargin.attr,
2478 &dev_attr_stat_dsmargin.attr,
2479 &dev_attr_stat_txflow.attr,
2480 &dev_attr_stat_rxflow.attr,
2481 &dev_attr_stat_uscorr.attr,
2482 &dev_attr_stat_dscorr.attr,
2483 &dev_attr_stat_usunc.attr,
2484 &dev_attr_stat_dsunc.attr,
2485 &dev_attr_stat_firmid.attr,
2486 NULL,
2487 };
2488 ATTRIBUTE_GROUPS(uea);
2489
2490 static int uea_bind(struct usbatm_data *usbatm, struct usb_interface *intf,
2491 const struct usb_device_id *id)
2492 {
2493 struct usb_device *usb = interface_to_usbdev(intf);
2494 struct uea_softc *sc;
2495 int ret, ifnum = intf->altsetting->desc.bInterfaceNumber;
2496 unsigned int alt;
2497
2498 uea_enters(usb);
2499
2500 /* interface 0 is for firmware/monitoring */
2501 if (ifnum != UEA_INTR_IFACE_NO)
2502 return -ENODEV;
2503
2504 usbatm->flags = (sync_wait[modem_index] ? 0 : UDSL_SKIP_HEAVY_INIT);
2505
2506 /* interface 1 is for outbound traffic */
2507 ret = claim_interface(usb, usbatm, UEA_US_IFACE_NO);
2508 if (ret < 0)
2509 return ret;
2510
2511 /* ADI930 has only 2 interfaces and inbound traffic is on interface 1 */
2512 if (UEA_CHIP_VERSION(id) != ADI930) {
2513 /* interface 2 is for inbound traffic */
2514 ret = claim_interface(usb, usbatm, UEA_DS_IFACE_NO);
2515 if (ret < 0)
2516 return ret;
2517 }
2518
2519 sc = kzalloc(sizeof(struct uea_softc), GFP_KERNEL);
2520 if (!sc)
2521 return -ENOMEM;
2522
2523 sc->usb_dev = usb;
2524 usbatm->driver_data = sc;
2525 sc->usbatm = usbatm;
2526 sc->modem_index = (modem_index < NB_MODEM) ? modem_index++ : 0;
2527 sc->driver_info = id->driver_info;
2528
2529 /* first try to use module parameter */
2530 if (annex[sc->modem_index] == 1)
2531 sc->annex = ANNEXA;
2532 else if (annex[sc->modem_index] == 2)
2533 sc->annex = ANNEXB;
2534 /* try to autodetect annex */
2535 else if (sc->driver_info & AUTO_ANNEX_A)
2536 sc->annex = ANNEXA;
2537 else if (sc->driver_info & AUTO_ANNEX_B)
2538 sc->annex = ANNEXB;
2539 else
2540 sc->annex = (le16_to_cpu
2541 (sc->usb_dev->descriptor.bcdDevice) & 0x80) ? ANNEXB : ANNEXA;
2542
2543 alt = altsetting[sc->modem_index];
2544 /* ADI930 don't support iso */
2545 if (UEA_CHIP_VERSION(id) != ADI930 && alt > 0) {
2546 if (alt <= 8 &&
2547 usb_set_interface(usb, UEA_DS_IFACE_NO, alt) == 0) {
2548 uea_dbg(usb, "set alternate %u for 2 interface\n", alt);
2549 uea_info(usb, "using iso mode\n");
2550 usbatm->flags |= UDSL_USE_ISOC | UDSL_IGNORE_EILSEQ;
2551 } else {
2552 uea_err(usb, "setting alternate %u failed for "
2553 "2 interface, using bulk mode\n", alt);
2554 }
2555 }
2556
2557 ret = uea_boot(sc, intf);
2558 if (ret < 0)
2559 goto error;
2560
2561 return 0;
2562
2563 error:
2564 kfree(sc);
2565 return ret;
2566 }
2567
2568 static void uea_unbind(struct usbatm_data *usbatm, struct usb_interface *intf)
2569 {
2570 struct uea_softc *sc = usbatm->driver_data;
2571
2572 uea_stop(sc);
2573 kfree(sc);
2574 }
2575
2576 static struct usbatm_driver uea_usbatm_driver = {
2577 .driver_name = "ueagle-atm",
2578 .bind = uea_bind,
2579 .atm_start = uea_atm_open,
2580 .unbind = uea_unbind,
2581 .heavy_init = uea_heavy,
2582 .bulk_in = UEA_BULK_DATA_PIPE,
2583 .bulk_out = UEA_BULK_DATA_PIPE,
2584 .isoc_in = UEA_ISO_DATA_PIPE,
2585 };
2586
2587 static int uea_probe(struct usb_interface *intf, const struct usb_device_id *id)
2588 {
2589 struct usb_device *usb = interface_to_usbdev(intf);
2590 int ret;
2591
2592 uea_enters(usb);
2593 uea_info(usb, "ADSL device founded vid (%#X) pid (%#X) Rev (%#X): %s\n",
2594 le16_to_cpu(usb->descriptor.idVendor),
2595 le16_to_cpu(usb->descriptor.idProduct),
2596 le16_to_cpu(usb->descriptor.bcdDevice),
2597 chip_name[UEA_CHIP_VERSION(id)]);
2598
2599 usb_reset_device(usb);
2600
2601 if (UEA_IS_PREFIRM(id))
2602 return uea_load_firmware(usb, UEA_CHIP_VERSION(id));
2603
2604 ret = usbatm_usb_probe(intf, id, &uea_usbatm_driver);
2605 if (ret == 0) {
2606 struct usbatm_data *usbatm = usb_get_intfdata(intf);
2607 struct uea_softc *sc = usbatm->driver_data;
2608
2609 /* Ensure carrier is initialized to off as early as possible */
2610 UPDATE_ATM_SIGNAL(ATM_PHY_SIG_LOST);
2611
2612 /* Only start the worker thread when all init is done */
2613 wake_up_process(sc->kthread);
2614 }
2615
2616 return ret;
2617 }
2618
2619 static void uea_disconnect(struct usb_interface *intf)
2620 {
2621 struct usb_device *usb = interface_to_usbdev(intf);
2622 int ifnum = intf->altsetting->desc.bInterfaceNumber;
2623 uea_enters(usb);
2624
2625 /* ADI930 has 2 interfaces and eagle 3 interfaces.
2626 * Pre-firmware device has one interface
2627 */
2628 if (usb->config->desc.bNumInterfaces != 1 && ifnum == 0) {
2629 mutex_lock(&uea_mutex);
2630 usbatm_usb_disconnect(intf);
2631 mutex_unlock(&uea_mutex);
2632 uea_info(usb, "ADSL device removed\n");
2633 }
2634
2635 uea_leaves(usb);
2636 }
2637
2638 /*
2639 * List of supported VID/PID
2640 */
2641 static const struct usb_device_id uea_ids[] = {
2642 {USB_DEVICE(ANALOG_VID, ADI930_PID_PREFIRM),
2643 .driver_info = ADI930 | PREFIRM},
2644 {USB_DEVICE(ANALOG_VID, ADI930_PID_PSTFIRM),
2645 .driver_info = ADI930 | PSTFIRM},
2646 {USB_DEVICE(ANALOG_VID, EAGLE_I_PID_PREFIRM),
2647 .driver_info = EAGLE_I | PREFIRM},
2648 {USB_DEVICE(ANALOG_VID, EAGLE_I_PID_PSTFIRM),
2649 .driver_info = EAGLE_I | PSTFIRM},
2650 {USB_DEVICE(ANALOG_VID, EAGLE_II_PID_PREFIRM),
2651 .driver_info = EAGLE_II | PREFIRM},
2652 {USB_DEVICE(ANALOG_VID, EAGLE_II_PID_PSTFIRM),
2653 .driver_info = EAGLE_II | PSTFIRM},
2654 {USB_DEVICE(ANALOG_VID, EAGLE_IIC_PID_PREFIRM),
2655 .driver_info = EAGLE_II | PREFIRM},
2656 {USB_DEVICE(ANALOG_VID, EAGLE_IIC_PID_PSTFIRM),
2657 .driver_info = EAGLE_II | PSTFIRM},
2658 {USB_DEVICE(ANALOG_VID, EAGLE_III_PID_PREFIRM),
2659 .driver_info = EAGLE_III | PREFIRM},
2660 {USB_DEVICE(ANALOG_VID, EAGLE_III_PID_PSTFIRM),
2661 .driver_info = EAGLE_III | PSTFIRM},
2662 {USB_DEVICE(ANALOG_VID, EAGLE_IV_PID_PREFIRM),
2663 .driver_info = EAGLE_IV | PREFIRM},
2664 {USB_DEVICE(ANALOG_VID, EAGLE_IV_PID_PSTFIRM),
2665 .driver_info = EAGLE_IV | PSTFIRM},
2666 {USB_DEVICE(DEVOLO_VID, DEVOLO_EAGLE_I_A_PID_PREFIRM),
2667 .driver_info = EAGLE_I | PREFIRM},
2668 {USB_DEVICE(DEVOLO_VID, DEVOLO_EAGLE_I_A_PID_PSTFIRM),
2669 .driver_info = EAGLE_I | PSTFIRM | AUTO_ANNEX_A},
2670 {USB_DEVICE(DEVOLO_VID, DEVOLO_EAGLE_I_B_PID_PREFIRM),
2671 .driver_info = EAGLE_I | PREFIRM},
2672 {USB_DEVICE(DEVOLO_VID, DEVOLO_EAGLE_I_B_PID_PSTFIRM),
2673 .driver_info = EAGLE_I | PSTFIRM | AUTO_ANNEX_B},
2674 {USB_DEVICE(DEVOLO_VID, DEVOLO_EAGLE_II_A_PID_PREFIRM),
2675 .driver_info = EAGLE_II | PREFIRM},
2676 {USB_DEVICE(DEVOLO_VID, DEVOLO_EAGLE_II_A_PID_PSTFIRM),
2677 .driver_info = EAGLE_II | PSTFIRM | AUTO_ANNEX_A},
2678 {USB_DEVICE(DEVOLO_VID, DEVOLO_EAGLE_II_B_PID_PREFIRM),
2679 .driver_info = EAGLE_II | PREFIRM},
2680 {USB_DEVICE(DEVOLO_VID, DEVOLO_EAGLE_II_B_PID_PSTFIRM),
2681 .driver_info = EAGLE_II | PSTFIRM | AUTO_ANNEX_B},
2682 {USB_DEVICE(ELSA_VID, ELSA_PID_PREFIRM),
2683 .driver_info = ADI930 | PREFIRM},
2684 {USB_DEVICE(ELSA_VID, ELSA_PID_PSTFIRM),
2685 .driver_info = ADI930 | PSTFIRM},
2686 {USB_DEVICE(ELSA_VID, ELSA_PID_A_PREFIRM),
2687 .driver_info = ADI930 | PREFIRM},
2688 {USB_DEVICE(ELSA_VID, ELSA_PID_A_PSTFIRM),
2689 .driver_info = ADI930 | PSTFIRM | AUTO_ANNEX_A},
2690 {USB_DEVICE(ELSA_VID, ELSA_PID_B_PREFIRM),
2691 .driver_info = ADI930 | PREFIRM},
2692 {USB_DEVICE(ELSA_VID, ELSA_PID_B_PSTFIRM),
2693 .driver_info = ADI930 | PSTFIRM | AUTO_ANNEX_B},
2694 {USB_DEVICE(USR_VID, MILLER_A_PID_PREFIRM),
2695 .driver_info = EAGLE_I | PREFIRM},
2696 {USB_DEVICE(USR_VID, MILLER_A_PID_PSTFIRM),
2697 .driver_info = EAGLE_I | PSTFIRM | AUTO_ANNEX_A},
2698 {USB_DEVICE(USR_VID, MILLER_B_PID_PREFIRM),
2699 .driver_info = EAGLE_I | PREFIRM},
2700 {USB_DEVICE(USR_VID, MILLER_B_PID_PSTFIRM),
2701 .driver_info = EAGLE_I | PSTFIRM | AUTO_ANNEX_B},
2702 {USB_DEVICE(USR_VID, HEINEKEN_A_PID_PREFIRM),
2703 .driver_info = EAGLE_I | PREFIRM},
2704 {USB_DEVICE(USR_VID, HEINEKEN_A_PID_PSTFIRM),
2705 .driver_info = EAGLE_I | PSTFIRM | AUTO_ANNEX_A},
2706 {USB_DEVICE(USR_VID, HEINEKEN_B_PID_PREFIRM),
2707 .driver_info = EAGLE_I | PREFIRM},
2708 {USB_DEVICE(USR_VID, HEINEKEN_B_PID_PSTFIRM),
2709 .driver_info = EAGLE_I | PSTFIRM | AUTO_ANNEX_B},
2710 {}
2711 };
2712
2713 /*
2714 * USB driver descriptor
2715 */
2716 static struct usb_driver uea_driver = {
2717 .name = "ueagle-atm",
2718 .id_table = uea_ids,
2719 .probe = uea_probe,
2720 .disconnect = uea_disconnect,
2721 .dev_groups = uea_groups,
2722 };
2723
2724 MODULE_DEVICE_TABLE(usb, uea_ids);
2725
2726 module_usb_driver(uea_driver);
2727
2728 MODULE_AUTHOR("Damien Bergamini/Matthieu Castet/Stanislaw W. Gruszka");
2729 MODULE_DESCRIPTION("ADI 930/Eagle USB ADSL Modem driver");
2730 MODULE_LICENSE("Dual BSD/GPL");
2731 MODULE_FIRMWARE(EAGLE_FIRMWARE);
2732 MODULE_FIRMWARE(ADI930_FIRMWARE);
2733 MODULE_FIRMWARE(EAGLE_I_FIRMWARE);
2734 MODULE_FIRMWARE(EAGLE_II_FIRMWARE);
2735 MODULE_FIRMWARE(EAGLE_III_FIRMWARE);
2736 MODULE_FIRMWARE(EAGLE_IV_FIRMWARE);
2737 MODULE_FIRMWARE(DSP4I_FIRMWARE);
2738 MODULE_FIRMWARE(DSP4P_FIRMWARE);
2739 MODULE_FIRMWARE(DSP9I_FIRMWARE);
2740 MODULE_FIRMWARE(DSP9P_FIRMWARE);
2741 MODULE_FIRMWARE(DSPEI_FIRMWARE);
2742 MODULE_FIRMWARE(DSPEP_FIRMWARE);
2743 MODULE_FIRMWARE(FPGA930_FIRMWARE);
2744 MODULE_FIRMWARE(CMV4P_FIRMWARE);
2745 MODULE_FIRMWARE(CMV4PV2_FIRMWARE);
2746 MODULE_FIRMWARE(CMV4I_FIRMWARE);
2747 MODULE_FIRMWARE(CMV4IV2_FIRMWARE);
2748 MODULE_FIRMWARE(CMV9P_FIRMWARE);
2749 MODULE_FIRMWARE(CMV9PV2_FIRMWARE);
2750 MODULE_FIRMWARE(CMV9I_FIRMWARE);
2751 MODULE_FIRMWARE(CMV9IV2_FIRMWARE);
2752 MODULE_FIRMWARE(CMVEP_FIRMWARE);
2753 MODULE_FIRMWARE(CMVEPV2_FIRMWARE);
2754 MODULE_FIRMWARE(CMVEI_FIRMWARE);
2755 MODULE_FIRMWARE(CMVEIV2_FIRMWARE);
Linux with added FPC-III support