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 rewritten from scratch.
13 */
14
15 #include <linux/module.h>
16 #include <linux/moduleparam.h>
17 #include <linux/crc32.h>
18 #include <linux/hex.h>
19 #include <linux/usb.h>
20 #include <linux/firmware.h>
21 #include <linux/ctype.h>
22 #include <linux/sched.h>
23 #include <linux/kthread.h>
24 #include <linux/mutex.h>
25 #include <linux/freezer.h>
26 #include <linux/slab.h>
27 #include <linux/kernel.h>
28
29 #include <linux/unaligned.h>
30
31 #include "usbatm.h"
32
33 #define EAGLEUSBVERSION "ueagle 1.4"
34
35
36 /*
37 * Debug macros
38 */
39 #define uea_dbg(usb_dev, format, args...) \
40 do { \
41 if (debug >= 1) \
42 dev_dbg(&(usb_dev)->dev, \
43 "[ueagle-atm dbg] %s: " format, \
44 __func__, ##args); \
45 } while (0)
46
47 #define uea_vdbg(usb_dev, format, args...) \
48 do { \
49 if (debug >= 2) \
50 dev_dbg(&(usb_dev)->dev, \
51 "[ueagle-atm vdbg] " format, ##args); \
52 } while (0)
53
54 #define uea_enters(usb_dev) \
55 uea_vdbg(usb_dev, "entering %s\n" , __func__)
56
57 #define uea_leaves(usb_dev) \
58 uea_vdbg(usb_dev, "leaving %s\n" , __func__)
59
60 #define uea_err(usb_dev, format, args...) \
61 dev_err(&(usb_dev)->dev , "[UEAGLE-ATM] " format , ##args)
62
63 #define uea_warn(usb_dev, format, args...) \
64 dev_warn(&(usb_dev)->dev , "[Ueagle-atm] " format, ##args)
65
66 #define uea_info(usb_dev, format, args...) \
67 dev_info(&(usb_dev)->dev , "[ueagle-atm] " format, ##args)
68
69 struct intr_pkt;
70
71 /* cmv's from firmware */
72 struct uea_cmvs_v1 {
73 u32 address;
74 u16 offset;
75 u32 data;
76 } __packed;
77
78 struct uea_cmvs_v2 {
79 u32 group;
80 u32 address;
81 u32 offset;
82 u32 data;
83 } __packed;
84
85 /* information about currently processed cmv */
86 struct cmv_dsc_e1 {
87 u8 function;
88 u16 idx;
89 u32 address;
90 u16 offset;
91 };
92
93 struct cmv_dsc_e4 {
94 u16 function;
95 u16 offset;
96 u16 address;
97 u16 group;
98 };
99
100 union cmv_dsc {
101 struct cmv_dsc_e1 e1;
102 struct cmv_dsc_e4 e4;
103 };
104
105 struct uea_softc {
106 struct usb_device *usb_dev;
107 struct usbatm_data *usbatm;
108
109 int modem_index;
110 unsigned int driver_info;
111 int annex;
112 #define ANNEXA 0
113 #define ANNEXB 1
114
115 int booting;
116 int reset;
117
118 wait_queue_head_t sync_q;
119
120 struct task_struct *kthread;
121 u32 data;
122 u32 data1;
123
124 int cmv_ack;
125 union cmv_dsc cmv_dsc;
126
127 struct work_struct task;
128 u16 pageno;
129 u16 ovl;
130
131 const struct firmware *dsp_firm;
132 struct urb *urb_int;
133
134 void (*dispatch_cmv)(struct uea_softc *, struct intr_pkt *);
135 void (*schedule_load_page)(struct uea_softc *, struct intr_pkt *);
136 int (*stat)(struct uea_softc *);
137 int (*send_cmvs)(struct uea_softc *);
138
139 /* keep in sync with eaglectl */
140 struct uea_stats {
141 struct {
142 u32 state;
143 u32 flags;
144 u32 mflags;
145 u32 vidcpe;
146 u32 vidco;
147 u32 dsrate;
148 u32 usrate;
149 u32 dsunc;
150 u32 usunc;
151 u32 dscorr;
152 u32 uscorr;
153 u32 txflow;
154 u32 rxflow;
155 u32 usattenuation;
156 u32 dsattenuation;
157 u32 dsmargin;
158 u32 usmargin;
159 u32 firmid;
160 } phy;
161 } stats;
162 };
163
164 /*
165 * Elsa IDs
166 */
167 #define ELSA_VID 0x05CC
168 #define ELSA_PID_PSTFIRM 0x3350
169 #define ELSA_PID_PREFIRM 0x3351
170
171 #define ELSA_PID_A_PREFIRM 0x3352
172 #define ELSA_PID_A_PSTFIRM 0x3353
173 #define ELSA_PID_B_PREFIRM 0x3362
174 #define ELSA_PID_B_PSTFIRM 0x3363
175
176 /*
177 * Devolo IDs : pots if (pid & 0x10)
178 */
179 #define DEVOLO_VID 0x1039
180 #define DEVOLO_EAGLE_I_A_PID_PSTFIRM 0x2110
181 #define DEVOLO_EAGLE_I_A_PID_PREFIRM 0x2111
182
183 #define DEVOLO_EAGLE_I_B_PID_PSTFIRM 0x2100
184 #define DEVOLO_EAGLE_I_B_PID_PREFIRM 0x2101
185
186 #define DEVOLO_EAGLE_II_A_PID_PSTFIRM 0x2130
187 #define DEVOLO_EAGLE_II_A_PID_PREFIRM 0x2131
188
189 #define DEVOLO_EAGLE_II_B_PID_PSTFIRM 0x2120
190 #define DEVOLO_EAGLE_II_B_PID_PREFIRM 0x2121
191
192 /*
193 * Reference design USB IDs
194 */
195 #define ANALOG_VID 0x1110
196 #define ADI930_PID_PREFIRM 0x9001
197 #define ADI930_PID_PSTFIRM 0x9000
198
199 #define EAGLE_I_PID_PREFIRM 0x9010 /* Eagle I */
200 #define EAGLE_I_PID_PSTFIRM 0x900F /* Eagle I */
201
202 #define EAGLE_IIC_PID_PREFIRM 0x9024 /* Eagle IIC */
203 #define EAGLE_IIC_PID_PSTFIRM 0x9023 /* Eagle IIC */
204
205 #define EAGLE_II_PID_PREFIRM 0x9022 /* Eagle II */
206 #define EAGLE_II_PID_PSTFIRM 0x9021 /* Eagle II */
207
208 #define EAGLE_III_PID_PREFIRM 0x9032 /* Eagle III */
209 #define EAGLE_III_PID_PSTFIRM 0x9031 /* Eagle III */
210
211 #define EAGLE_IV_PID_PREFIRM 0x9042 /* Eagle IV */
212 #define EAGLE_IV_PID_PSTFIRM 0x9041 /* Eagle IV */
213
214 /*
215 * USR USB IDs
216 */
217 #define USR_VID 0x0BAF
218 #define MILLER_A_PID_PREFIRM 0x00F2
219 #define MILLER_A_PID_PSTFIRM 0x00F1
220 #define MILLER_B_PID_PREFIRM 0x00FA
221 #define MILLER_B_PID_PSTFIRM 0x00F9
222 #define HEINEKEN_A_PID_PREFIRM 0x00F6
223 #define HEINEKEN_A_PID_PSTFIRM 0x00F5
224 #define HEINEKEN_B_PID_PREFIRM 0x00F8
225 #define HEINEKEN_B_PID_PSTFIRM 0x00F7
226
227 #define PREFIRM 0
228 #define PSTFIRM (1<<7)
229 #define AUTO_ANNEX_A (1<<8)
230 #define AUTO_ANNEX_B (1<<9)
231
232 enum {
233 ADI930 = 0,
234 EAGLE_I,
235 EAGLE_II,
236 EAGLE_III,
237 EAGLE_IV
238 };
239
240 /* macros for both struct usb_device_id and struct uea_softc */
241 #define UEA_IS_PREFIRM(x) \
242 (!((x)->driver_info & PSTFIRM))
243 #define UEA_CHIP_VERSION(x) \
244 ((x)->driver_info & 0xf)
245
246 #define IS_ISDN(x) \
247 ((x)->annex & ANNEXB)
248
249 #define INS_TO_USBDEV(ins) (ins->usb_dev)
250
251 #define GET_STATUS(data) \
252 ((data >> 8) & 0xf)
253
254 #define IS_OPERATIONAL(sc) \
255 ((UEA_CHIP_VERSION(sc) != EAGLE_IV) ? \
256 (GET_STATUS(sc->stats.phy.state) == 2) : \
257 (sc->stats.phy.state == 7))
258
259 /*
260 * Set of macros to handle unaligned data in the firmware blob.
261 * The FW_GET_BYTE() macro is provided only for consistency.
262 */
263
264 #define FW_GET_BYTE(p) (*((__u8 *) (p)))
265
266 #define FW_DIR "ueagle-atm/"
267 #define EAGLE_FIRMWARE FW_DIR "eagle.fw"
268 #define ADI930_FIRMWARE FW_DIR "adi930.fw"
269 #define EAGLE_I_FIRMWARE FW_DIR "eagleI.fw"
270 #define EAGLE_II_FIRMWARE FW_DIR "eagleII.fw"
271 #define EAGLE_III_FIRMWARE FW_DIR "eagleIII.fw"
272 #define EAGLE_IV_FIRMWARE FW_DIR "eagleIV.fw"
273
274 #define DSP4I_FIRMWARE FW_DIR "DSP4i.bin"
275 #define DSP4P_FIRMWARE FW_DIR "DSP4p.bin"
276 #define DSP9I_FIRMWARE FW_DIR "DSP9i.bin"
277 #define DSP9P_FIRMWARE FW_DIR "DSP9p.bin"
278 #define DSPEI_FIRMWARE FW_DIR "DSPei.bin"
279 #define DSPEP_FIRMWARE FW_DIR "DSPep.bin"
280 #define FPGA930_FIRMWARE FW_DIR "930-fpga.bin"
281
282 #define CMV4P_FIRMWARE FW_DIR "CMV4p.bin"
283 #define CMV4PV2_FIRMWARE FW_DIR "CMV4p.bin.v2"
284 #define CMV4I_FIRMWARE FW_DIR "CMV4i.bin"
285 #define CMV4IV2_FIRMWARE FW_DIR "CMV4i.bin.v2"
286 #define CMV9P_FIRMWARE FW_DIR "CMV9p.bin"
287 #define CMV9PV2_FIRMWARE FW_DIR "CMV9p.bin.v2"
288 #define CMV9I_FIRMWARE FW_DIR "CMV9i.bin"
289 #define CMV9IV2_FIRMWARE FW_DIR "CMV9i.bin.v2"
290 #define CMVEP_FIRMWARE FW_DIR "CMVep.bin"
291 #define CMVEPV2_FIRMWARE FW_DIR "CMVep.bin.v2"
292 #define CMVEI_FIRMWARE FW_DIR "CMVei.bin"
293 #define CMVEIV2_FIRMWARE FW_DIR "CMVei.bin.v2"
294
295 #define UEA_FW_NAME_MAX 30
296 #define NB_MODEM 4
297
298 #define BULK_TIMEOUT 300
299 #define CTRL_TIMEOUT 1000
300
301 #define ACK_TIMEOUT msecs_to_jiffies(3000)
302
303 #define UEA_INTR_IFACE_NO 0
304 #define UEA_US_IFACE_NO 1
305 #define UEA_DS_IFACE_NO 2
306
307 #define FASTEST_ISO_INTF 8
308
309 #define UEA_BULK_DATA_PIPE 0x02
310 #define UEA_IDMA_PIPE 0x04
311 #define UEA_INTR_PIPE 0x04
312 #define UEA_ISO_DATA_PIPE 0x08
313
314 #define UEA_E1_SET_BLOCK 0x0001
315 #define UEA_E4_SET_BLOCK 0x002c
316 #define UEA_SET_MODE 0x0003
317 #define UEA_SET_2183_DATA 0x0004
318 #define UEA_SET_TIMEOUT 0x0011
319
320 #define UEA_LOOPBACK_OFF 0x0002
321 #define UEA_LOOPBACK_ON 0x0003
322 #define UEA_BOOT_IDMA 0x0006
323 #define UEA_START_RESET 0x0007
324 #define UEA_END_RESET 0x0008
325
326 #define UEA_SWAP_MAILBOX (0x3fcd | 0x4000)
327 #define UEA_MPTX_START (0x3fce | 0x4000)
328 #define UEA_MPTX_MAILBOX (0x3fd6 | 0x4000)
329 #define UEA_MPRX_MAILBOX (0x3fdf | 0x4000)
330
331 /* block information in eagle4 dsp firmware */
332 struct block_index {
333 __le32 PageOffset;
334 __le32 NotLastBlock;
335 __le32 dummy;
336 __le32 PageSize;
337 __le32 PageAddress;
338 __le16 dummy1;
339 __le16 PageNumber;
340 } __packed;
341
342 #define E4_IS_BOOT_PAGE(PageSize) ((le32_to_cpu(PageSize)) & 0x80000000)
343 #define E4_PAGE_BYTES(PageSize) ((le32_to_cpu(PageSize) & 0x7fffffff) * 4)
344
345 #define E4_L1_STRING_HEADER 0x10
346 #define E4_MAX_PAGE_NUMBER 0x58
347 #define E4_NO_SWAPPAGE_HEADERS 0x31
348
349 /* l1_code is eagle4 dsp firmware format */
350 struct l1_code {
351 u8 string_header[E4_L1_STRING_HEADER];
352 u8 page_number_to_block_index[E4_MAX_PAGE_NUMBER];
353 struct block_index page_header[E4_NO_SWAPPAGE_HEADERS];
354 u8 code[];
355 } __packed;
356
357 /* structures describing a block within a DSP page */
358 struct block_info_e1 {
359 __le16 wHdr;
360 __le16 wAddress;
361 __le16 wSize;
362 __le16 wOvlOffset;
363 __le16 wOvl; /* overlay */
364 __le16 wLast;
365 } __packed;
366 #define E1_BLOCK_INFO_SIZE 12
367
368 struct block_info_e4 {
369 __be16 wHdr;
370 __u8 bBootPage;
371 __u8 bPageNumber;
372 __be32 dwSize;
373 __be32 dwAddress;
374 __be16 wReserved;
375 } __packed;
376 #define E4_BLOCK_INFO_SIZE 14
377
378 #define UEA_BIHDR 0xabcd
379 #define UEA_RESERVED 0xffff
380
381 /* constants describing cmv type */
382 #define E1_PREAMBLE 0x535c
383 #define E1_MODEMTOHOST 0x01
384 #define E1_HOSTTOMODEM 0x10
385
386 #define E1_MEMACCESS 0x1
387 #define E1_ADSLDIRECTIVE 0x7
388 #define E1_FUNCTION_TYPE(f) ((f) >> 4)
389 #define E1_FUNCTION_SUBTYPE(f) ((f) & 0x0f)
390
391 #define E4_MEMACCESS 0
392 #define E4_ADSLDIRECTIVE 0xf
393 #define E4_FUNCTION_TYPE(f) ((f) >> 8)
394 #define E4_FUNCTION_SIZE(f) ((f) & 0x0f)
395 #define E4_FUNCTION_SUBTYPE(f) (((f) >> 4) & 0x0f)
396
397 /* for MEMACCESS */
398 #define E1_REQUESTREAD 0x0
399 #define E1_REQUESTWRITE 0x1
400 #define E1_REPLYREAD 0x2
401 #define E1_REPLYWRITE 0x3
402
403 #define E4_REQUESTREAD 0x0
404 #define E4_REQUESTWRITE 0x4
405 #define E4_REPLYREAD (E4_REQUESTREAD | 1)
406 #define E4_REPLYWRITE (E4_REQUESTWRITE | 1)
407
408 /* for ADSLDIRECTIVE */
409 #define E1_KERNELREADY 0x0
410 #define E1_MODEMREADY 0x1
411
412 #define E4_KERNELREADY 0x0
413 #define E4_MODEMREADY 0x1
414
415 #define E1_MAKEFUNCTION(t, s) (((t) & 0xf) << 4 | ((s) & 0xf))
416 #define E4_MAKEFUNCTION(t, st, s) (((t) & 0xf) << 8 | \
417 ((st) & 0xf) << 4 | ((s) & 0xf))
418
419 #define E1_MAKESA(a, b, c, d) \
420 (((c) & 0xff) << 24 | \
421 ((d) & 0xff) << 16 | \
422 ((a) & 0xff) << 8 | \
423 ((b) & 0xff))
424
425 #define E1_GETSA1(a) ((a >> 8) & 0xff)
426 #define E1_GETSA2(a) (a & 0xff)
427 #define E1_GETSA3(a) ((a >> 24) & 0xff)
428 #define E1_GETSA4(a) ((a >> 16) & 0xff)
429
430 #define E1_SA_CNTL E1_MAKESA('C', 'N', 'T', 'L')
431 #define E1_SA_DIAG E1_MAKESA('D', 'I', 'A', 'G')
432 #define E1_SA_INFO E1_MAKESA('I', 'N', 'F', 'O')
433 #define E1_SA_OPTN E1_MAKESA('O', 'P', 'T', 'N')
434 #define E1_SA_RATE E1_MAKESA('R', 'A', 'T', 'E')
435 #define E1_SA_STAT E1_MAKESA('S', 'T', 'A', 'T')
436
437 #define E4_SA_CNTL 1
438 #define E4_SA_STAT 2
439 #define E4_SA_INFO 3
440 #define E4_SA_TEST 4
441 #define E4_SA_OPTN 5
442 #define E4_SA_RATE 6
443 #define E4_SA_DIAG 7
444 #define E4_SA_CNFG 8
445
446 /* structures representing a CMV (Configuration and Management Variable) */
447 struct cmv_e1 {
448 __le16 wPreamble;
449 __u8 bDirection;
450 __u8 bFunction;
451 __le16 wIndex;
452 __le32 dwSymbolicAddress;
453 __le16 wOffsetAddress;
454 __le32 dwData;
455 } __packed;
456
457 struct cmv_e4 {
458 __be16 wGroup;
459 __be16 wFunction;
460 __be16 wOffset;
461 __be16 wAddress;
462 __be32 dwData[6];
463 } __packed;
464
465 /* structures representing swap information */
466 struct swap_info_e1 {
467 __u8 bSwapPageNo;
468 __u8 bOvl; /* overlay */
469 } __packed;
470
471 struct swap_info_e4 {
472 __u8 bSwapPageNo;
473 } __packed;
474
475 /* structures representing interrupt data */
476 #define e1_bSwapPageNo u.e1.s1.swapinfo.bSwapPageNo
477 #define e1_bOvl u.e1.s1.swapinfo.bOvl
478 #define e4_bSwapPageNo u.e4.s1.swapinfo.bSwapPageNo
479
480 #define INT_LOADSWAPPAGE 0x0001
481 #define INT_INCOMINGCMV 0x0002
482
483 union intr_data_e1 {
484 struct {
485 struct swap_info_e1 swapinfo;
486 __le16 wDataSize;
487 } __packed s1;
488 struct {
489 struct cmv_e1 cmv;
490 __le16 wDataSize;
491 } __packed s2;
492 } __packed;
493
494 union intr_data_e4 {
495 struct {
496 struct swap_info_e4 swapinfo;
497 __le16 wDataSize;
498 } __packed s1;
499 struct {
500 struct cmv_e4 cmv;
501 __le16 wDataSize;
502 } __packed s2;
503 } __packed;
504
505 struct intr_pkt {
506 __u8 bType;
507 __u8 bNotification;
508 __le16 wValue;
509 __le16 wIndex;
510 __le16 wLength;
511 __le16 wInterrupt;
512 union {
513 union intr_data_e1 e1;
514 union intr_data_e4 e4;
515 } u;
516 } __packed;
517
518 #define E1_INTR_PKT_SIZE 28
519 #define E4_INTR_PKT_SIZE 64
520
521 static struct usb_driver uea_driver;
522 static DEFINE_MUTEX(uea_mutex);
523 static const char * const chip_name[] = {
524 "ADI930", "Eagle I", "Eagle II", "Eagle III", "Eagle IV"};
525
526 static int modem_index;
527 static unsigned int debug;
528 static unsigned int altsetting[NB_MODEM] = {
529 [0 ... (NB_MODEM - 1)] = FASTEST_ISO_INTF};
530 static bool sync_wait[NB_MODEM];
531 static char *cmv_file[NB_MODEM];
532 static int annex[NB_MODEM];
533
534 module_param(debug, uint, 0644);
535 MODULE_PARM_DESC(debug, "module debug level (0=off,1=on,2=verbose)");
536 module_param_array(altsetting, uint, NULL, 0644);
537 MODULE_PARM_DESC(altsetting, "alternate setting for incoming traffic: 0=bulk, "
538 "1=isoc slowest, ... , 8=isoc fastest (default)");
539 module_param_array(sync_wait, bool, NULL, 0644);
540 MODULE_PARM_DESC(sync_wait, "wait the synchronisation before starting ATM");
541 module_param_array(cmv_file, charp, NULL, 0644);
542 MODULE_PARM_DESC(cmv_file,
543 "file name with configuration and management variables");
544 module_param_array(annex, uint, NULL, 0644);
545 MODULE_PARM_DESC(annex,
546 "manually set annex a/b (0=auto, 1=annex a, 2=annex b)");
547
548 #define uea_wait(sc, cond, timeo) \
549 ({ \
550 int _r = wait_event_freezable_timeout(sc->sync_q, \
551 (cond) || kthread_should_stop(), timeo); \
552 if (kthread_should_stop()) \
553 _r = -ENODEV; \
554 _r; \
555 })
556
557 #define UPDATE_ATM_STAT(type, val) \
558 do { \
559 if (sc->usbatm->atm_dev) \
560 sc->usbatm->atm_dev->type = val; \
561 } while (0)
562
563 #define UPDATE_ATM_SIGNAL(val) \
564 do { \
565 if (sc->usbatm->atm_dev) \
566 atm_dev_signal_change(sc->usbatm->atm_dev, val); \
567 } while (0)
568
569
570 /* Firmware loading */
571 #define LOAD_INTERNAL 0xA0
572 #define F8051_USBCS 0x7f92
573
574 /*
575 * uea_send_modem_cmd - Send a command for pre-firmware devices.
576 */
uea_send_modem_cmd(struct usb_device * usb,u16 addr,u16 size,const u8 * buff)577 static int uea_send_modem_cmd(struct usb_device *usb,
578 u16 addr, u16 size, const u8 *buff)
579 {
580 int ret = -ENOMEM;
581 u8 *xfer_buff;
582
583 xfer_buff = kmemdup(buff, size, GFP_KERNEL);
584 if (xfer_buff) {
585 ret = usb_control_msg(usb,
586 usb_sndctrlpipe(usb, 0),
587 LOAD_INTERNAL,
588 USB_DIR_OUT | USB_TYPE_VENDOR |
589 USB_RECIP_DEVICE, addr, 0, xfer_buff,
590 size, CTRL_TIMEOUT);
591 kfree(xfer_buff);
592 }
593
594 if (ret < 0)
595 return ret;
596
597 return (ret == size) ? 0 : -EIO;
598 }
599
uea_upload_pre_firmware(const struct firmware * fw_entry,void * context)600 static void uea_upload_pre_firmware(const struct firmware *fw_entry,
601 void *context)
602 {
603 struct usb_device *usb = context;
604 const u8 *pfw;
605 u8 value;
606 u32 crc = 0;
607 int ret, size;
608
609 uea_enters(usb);
610 if (!fw_entry) {
611 uea_err(usb, "firmware is not available\n");
612 goto err;
613 }
614
615 pfw = fw_entry->data;
616 size = fw_entry->size;
617 if (size < 4)
618 goto err_fw_corrupted;
619
620 crc = get_unaligned_le32(pfw);
621 pfw += 4;
622 size -= 4;
623 if (crc32_be(0, pfw, size) != crc)
624 goto err_fw_corrupted;
625
626 /*
627 * Start to upload firmware : send reset
628 */
629 value = 1;
630 ret = uea_send_modem_cmd(usb, F8051_USBCS, sizeof(value), &value);
631
632 if (ret < 0) {
633 uea_err(usb, "modem reset failed with error %d\n", ret);
634 goto err;
635 }
636
637 while (size > 3) {
638 u8 len = FW_GET_BYTE(pfw);
639 u16 add = get_unaligned_le16(pfw + 1);
640
641 size -= len + 3;
642 if (size < 0)
643 goto err_fw_corrupted;
644
645 ret = uea_send_modem_cmd(usb, add, len, pfw + 3);
646 if (ret < 0) {
647 uea_err(usb, "uploading firmware data failed "
648 "with error %d\n", ret);
649 goto err;
650 }
651 pfw += len + 3;
652 }
653
654 if (size != 0)
655 goto err_fw_corrupted;
656
657 /*
658 * Tell the modem we finish : de-assert reset
659 */
660 value = 0;
661 ret = uea_send_modem_cmd(usb, F8051_USBCS, 1, &value);
662 if (ret < 0)
663 uea_err(usb, "modem de-assert failed with error %d\n", ret);
664 else
665 uea_info(usb, "firmware uploaded\n");
666
667 goto err;
668
669 err_fw_corrupted:
670 uea_err(usb, "firmware is corrupted\n");
671 err:
672 release_firmware(fw_entry);
673 uea_leaves(usb);
674 }
675
676 /*
677 * uea_load_firmware - Load usb firmware for pre-firmware devices.
678 */
uea_load_firmware(struct usb_device * usb,unsigned int ver)679 static int uea_load_firmware(struct usb_device *usb, unsigned int ver)
680 {
681 int ret;
682 char *fw_name = EAGLE_FIRMWARE;
683
684 uea_enters(usb);
685 uea_info(usb, "pre-firmware device, uploading firmware\n");
686
687 switch (ver) {
688 case ADI930:
689 fw_name = ADI930_FIRMWARE;
690 break;
691 case EAGLE_I:
692 fw_name = EAGLE_I_FIRMWARE;
693 break;
694 case EAGLE_II:
695 fw_name = EAGLE_II_FIRMWARE;
696 break;
697 case EAGLE_III:
698 fw_name = EAGLE_III_FIRMWARE;
699 break;
700 case EAGLE_IV:
701 fw_name = EAGLE_IV_FIRMWARE;
702 break;
703 }
704
705 ret = request_firmware_nowait(THIS_MODULE, 1, fw_name, &usb->dev,
706 GFP_KERNEL, usb,
707 uea_upload_pre_firmware);
708 if (ret)
709 uea_err(usb, "firmware %s is not available\n", fw_name);
710 else
711 uea_info(usb, "loading firmware %s\n", fw_name);
712
713 uea_leaves(usb);
714 return ret;
715 }
716
717 /* modem management : dsp firmware, send/read CMV, monitoring statistic
718 */
719
720 /*
721 * Make sure that the DSP code provided is safe to use.
722 */
check_dsp_e1(const u8 * dsp,unsigned int len)723 static int check_dsp_e1(const u8 *dsp, unsigned int len)
724 {
725 u8 pagecount, blockcount;
726 u16 blocksize;
727 u32 pageoffset;
728 unsigned int i, j, p, pp;
729
730 pagecount = FW_GET_BYTE(dsp);
731 p = 1;
732
733 /* enough space for page offsets? */
734 if (p + 4 * pagecount > len)
735 return 1;
736
737 for (i = 0; i < pagecount; i++) {
738
739 pageoffset = get_unaligned_le32(dsp + p);
740 p += 4;
741
742 if (pageoffset == 0)
743 continue;
744
745 /* enough space for blockcount? */
746 if (pageoffset >= len)
747 return 1;
748
749 pp = pageoffset;
750 blockcount = FW_GET_BYTE(dsp + pp);
751 pp += 1;
752
753 for (j = 0; j < blockcount; j++) {
754
755 /* enough space for block header? */
756 if (pp + 4 > len)
757 return 1;
758
759 pp += 2; /* skip blockaddr */
760 blocksize = get_unaligned_le16(dsp + pp);
761 pp += 2;
762
763 /* enough space for block data? */
764 if (pp + blocksize > len)
765 return 1;
766
767 pp += blocksize;
768 }
769 }
770
771 return 0;
772 }
773
check_dsp_e4(const u8 * dsp,int len)774 static int check_dsp_e4(const u8 *dsp, int len)
775 {
776 int i;
777 struct l1_code *p = (struct l1_code *) dsp;
778 unsigned int sum = p->code - dsp;
779
780 if (len < sum)
781 return 1;
782
783 if (strcmp("STRATIPHY ANEXA", p->string_header) != 0 &&
784 strcmp("STRATIPHY ANEXB", p->string_header) != 0)
785 return 1;
786
787 for (i = 0; i < E4_MAX_PAGE_NUMBER; i++) {
788 struct block_index *blockidx;
789 u8 blockno = p->page_number_to_block_index[i];
790 if (blockno >= E4_NO_SWAPPAGE_HEADERS)
791 continue;
792
793 do {
794 u64 l;
795
796 if (blockno >= E4_NO_SWAPPAGE_HEADERS)
797 return 1;
798
799 blockidx = &p->page_header[blockno++];
800 if ((u8 *)(blockidx + 1) - dsp >= len)
801 return 1;
802
803 if (le16_to_cpu(blockidx->PageNumber) != i)
804 return 1;
805
806 l = E4_PAGE_BYTES(blockidx->PageSize);
807 sum += l;
808 l += le32_to_cpu(blockidx->PageOffset);
809 if (l > len)
810 return 1;
811
812 /* zero is zero regardless endianness */
813 } while (blockidx->NotLastBlock);
814 }
815
816 return (sum == len) ? 0 : 1;
817 }
818
819 /*
820 * send data to the idma pipe
821 * */
uea_idma_write(struct uea_softc * sc,const void * data,u32 size)822 static int uea_idma_write(struct uea_softc *sc, const void *data, u32 size)
823 {
824 int ret = -ENOMEM;
825 u8 *xfer_buff;
826 int bytes_read;
827
828 xfer_buff = kmemdup(data, size, GFP_KERNEL);
829 if (!xfer_buff) {
830 uea_err(INS_TO_USBDEV(sc), "can't allocate xfer_buff\n");
831 return ret;
832 }
833
834 ret = usb_bulk_msg(sc->usb_dev,
835 usb_sndbulkpipe(sc->usb_dev, UEA_IDMA_PIPE),
836 xfer_buff, size, &bytes_read, BULK_TIMEOUT);
837
838 kfree(xfer_buff);
839 if (ret < 0)
840 return ret;
841 if (size != bytes_read) {
842 uea_err(INS_TO_USBDEV(sc), "size != bytes_read %d %d\n", size,
843 bytes_read);
844 return -EIO;
845 }
846
847 return 0;
848 }
849
request_dsp(struct uea_softc * sc)850 static int request_dsp(struct uea_softc *sc)
851 {
852 int ret;
853 char *dsp_name;
854
855 if (UEA_CHIP_VERSION(sc) == EAGLE_IV) {
856 if (IS_ISDN(sc))
857 dsp_name = DSP4I_FIRMWARE;
858 else
859 dsp_name = DSP4P_FIRMWARE;
860 } else if (UEA_CHIP_VERSION(sc) == ADI930) {
861 if (IS_ISDN(sc))
862 dsp_name = DSP9I_FIRMWARE;
863 else
864 dsp_name = DSP9P_FIRMWARE;
865 } else {
866 if (IS_ISDN(sc))
867 dsp_name = DSPEI_FIRMWARE;
868 else
869 dsp_name = DSPEP_FIRMWARE;
870 }
871
872 ret = request_firmware(&sc->dsp_firm, dsp_name, &sc->usb_dev->dev);
873 if (ret < 0) {
874 uea_err(INS_TO_USBDEV(sc),
875 "requesting firmware %s failed with error %d\n",
876 dsp_name, ret);
877 return ret;
878 }
879
880 if (UEA_CHIP_VERSION(sc) == EAGLE_IV)
881 ret = check_dsp_e4(sc->dsp_firm->data, sc->dsp_firm->size);
882 else
883 ret = check_dsp_e1(sc->dsp_firm->data, sc->dsp_firm->size);
884
885 if (ret) {
886 uea_err(INS_TO_USBDEV(sc), "firmware %s is corrupted\n",
887 dsp_name);
888 release_firmware(sc->dsp_firm);
889 sc->dsp_firm = NULL;
890 return -EILSEQ;
891 }
892
893 return 0;
894 }
895
896 /*
897 * The uea_load_page() function must be called within a process context
898 */
uea_load_page_e1(struct work_struct * work)899 static void uea_load_page_e1(struct work_struct *work)
900 {
901 struct uea_softc *sc = container_of(work, struct uea_softc, task);
902 u16 pageno = sc->pageno;
903 u16 ovl = sc->ovl;
904 struct block_info_e1 bi;
905
906 const u8 *p;
907 u8 pagecount, blockcount;
908 u16 blockaddr, blocksize;
909 u32 pageoffset;
910 int i;
911
912 /* reload firmware when reboot start and it's loaded already */
913 if (ovl == 0 && pageno == 0) {
914 release_firmware(sc->dsp_firm);
915 sc->dsp_firm = NULL;
916 }
917
918 if (sc->dsp_firm == NULL && request_dsp(sc) < 0)
919 return;
920
921 p = sc->dsp_firm->data;
922 pagecount = FW_GET_BYTE(p);
923 p += 1;
924
925 if (pageno >= pagecount)
926 goto bad1;
927
928 p += 4 * pageno;
929 pageoffset = get_unaligned_le32(p);
930
931 if (pageoffset == 0)
932 goto bad1;
933
934 p = sc->dsp_firm->data + pageoffset;
935 blockcount = FW_GET_BYTE(p);
936 p += 1;
937
938 uea_dbg(INS_TO_USBDEV(sc),
939 "sending %u blocks for DSP page %u\n", blockcount, pageno);
940
941 bi.wHdr = cpu_to_le16(UEA_BIHDR);
942 bi.wOvl = cpu_to_le16(ovl);
943 bi.wOvlOffset = cpu_to_le16(ovl | 0x8000);
944
945 for (i = 0; i < blockcount; i++) {
946 blockaddr = get_unaligned_le16(p);
947 p += 2;
948
949 blocksize = get_unaligned_le16(p);
950 p += 2;
951
952 bi.wSize = cpu_to_le16(blocksize);
953 bi.wAddress = cpu_to_le16(blockaddr);
954 bi.wLast = cpu_to_le16((i == blockcount - 1) ? 1 : 0);
955
956 /* send block info through the IDMA pipe */
957 if (uea_idma_write(sc, &bi, E1_BLOCK_INFO_SIZE))
958 goto bad2;
959
960 /* send block data through the IDMA pipe */
961 if (uea_idma_write(sc, p, blocksize))
962 goto bad2;
963
964 p += blocksize;
965 }
966
967 return;
968
969 bad2:
970 uea_err(INS_TO_USBDEV(sc), "sending DSP block %u failed\n", i);
971 return;
972 bad1:
973 uea_err(INS_TO_USBDEV(sc), "invalid DSP page %u requested\n", pageno);
974 }
975
__uea_load_page_e4(struct uea_softc * sc,u8 pageno,int boot)976 static void __uea_load_page_e4(struct uea_softc *sc, u8 pageno, int boot)
977 {
978 struct block_info_e4 bi;
979 struct block_index *blockidx;
980 struct l1_code *p = (struct l1_code *) sc->dsp_firm->data;
981 u8 blockno = p->page_number_to_block_index[pageno];
982
983 bi.wHdr = cpu_to_be16(UEA_BIHDR);
984 bi.bBootPage = boot;
985 bi.bPageNumber = pageno;
986 bi.wReserved = cpu_to_be16(UEA_RESERVED);
987
988 do {
989 const u8 *blockoffset;
990 unsigned int blocksize;
991
992 blockidx = &p->page_header[blockno];
993 blocksize = E4_PAGE_BYTES(blockidx->PageSize);
994 blockoffset = sc->dsp_firm->data + le32_to_cpu(
995 blockidx->PageOffset);
996
997 bi.dwSize = cpu_to_be32(blocksize);
998 bi.dwAddress = cpu_to_be32(le32_to_cpu(blockidx->PageAddress));
999
1000 uea_dbg(INS_TO_USBDEV(sc),
1001 "sending block %u for DSP page "
1002 "%u size %u address %x\n",
1003 blockno, pageno, blocksize,
1004 le32_to_cpu(blockidx->PageAddress));
1005
1006 /* send block info through the IDMA pipe */
1007 if (uea_idma_write(sc, &bi, E4_BLOCK_INFO_SIZE))
1008 goto bad;
1009
1010 /* send block data through the IDMA pipe */
1011 if (uea_idma_write(sc, blockoffset, blocksize))
1012 goto bad;
1013
1014 blockno++;
1015 } while (blockidx->NotLastBlock);
1016
1017 return;
1018
1019 bad:
1020 uea_err(INS_TO_USBDEV(sc), "sending DSP block %u failed\n", blockno);
1021 return;
1022 }
1023
uea_load_page_e4(struct work_struct * work)1024 static void uea_load_page_e4(struct work_struct *work)
1025 {
1026 struct uea_softc *sc = container_of(work, struct uea_softc, task);
1027 u8 pageno = sc->pageno;
1028 int i;
1029 struct block_info_e4 bi;
1030 struct l1_code *p;
1031
1032 uea_dbg(INS_TO_USBDEV(sc), "sending DSP page %u\n", pageno);
1033
1034 /* reload firmware when reboot start and it's loaded already */
1035 if (pageno == 0) {
1036 release_firmware(sc->dsp_firm);
1037 sc->dsp_firm = NULL;
1038 }
1039
1040 if (sc->dsp_firm == NULL && request_dsp(sc) < 0)
1041 return;
1042
1043 p = (struct l1_code *) sc->dsp_firm->data;
1044 if (pageno >= le16_to_cpu(p->page_header[0].PageNumber)) {
1045 uea_err(INS_TO_USBDEV(sc), "invalid DSP "
1046 "page %u requested\n", pageno);
1047 return;
1048 }
1049
1050 if (pageno != 0) {
1051 __uea_load_page_e4(sc, pageno, 0);
1052 return;
1053 }
1054
1055 uea_dbg(INS_TO_USBDEV(sc),
1056 "sending Main DSP page %u\n", p->page_header[0].PageNumber);
1057
1058 for (i = 0; i < le16_to_cpu(p->page_header[0].PageNumber); i++) {
1059 if (E4_IS_BOOT_PAGE(p->page_header[i].PageSize))
1060 __uea_load_page_e4(sc, i, 1);
1061 }
1062
1063 uea_dbg(INS_TO_USBDEV(sc) , "sending start bi\n");
1064
1065 bi.wHdr = cpu_to_be16(UEA_BIHDR);
1066 bi.bBootPage = 0;
1067 bi.bPageNumber = 0xff;
1068 bi.wReserved = cpu_to_be16(UEA_RESERVED);
1069 bi.dwSize = cpu_to_be32(E4_PAGE_BYTES(p->page_header[0].PageSize));
1070 bi.dwAddress = cpu_to_be32(le32_to_cpu(p->page_header[0].PageAddress));
1071
1072 /* send block info through the IDMA pipe */
1073 if (uea_idma_write(sc, &bi, E4_BLOCK_INFO_SIZE))
1074 uea_err(INS_TO_USBDEV(sc), "sending DSP start bi failed\n");
1075 }
1076
wake_up_cmv_ack(struct uea_softc * sc)1077 static inline void wake_up_cmv_ack(struct uea_softc *sc)
1078 {
1079 BUG_ON(sc->cmv_ack);
1080 sc->cmv_ack = 1;
1081 wake_up(&sc->sync_q);
1082 }
1083
wait_cmv_ack(struct uea_softc * sc)1084 static inline int wait_cmv_ack(struct uea_softc *sc)
1085 {
1086 int ret = uea_wait(sc, sc->cmv_ack , ACK_TIMEOUT);
1087
1088 sc->cmv_ack = 0;
1089
1090 uea_dbg(INS_TO_USBDEV(sc), "wait_event_timeout : %d ms\n",
1091 jiffies_to_msecs(ret));
1092
1093 if (ret < 0)
1094 return ret;
1095
1096 return (ret == 0) ? -ETIMEDOUT : 0;
1097 }
1098
1099 #define UCDC_SEND_ENCAPSULATED_COMMAND 0x00
1100
uea_request(struct uea_softc * sc,u16 value,u16 index,u16 size,const void * data)1101 static int uea_request(struct uea_softc *sc,
1102 u16 value, u16 index, u16 size, const void *data)
1103 {
1104 u8 *xfer_buff;
1105 int ret = -ENOMEM;
1106
1107 xfer_buff = kmemdup(data, size, GFP_KERNEL);
1108 if (!xfer_buff) {
1109 uea_err(INS_TO_USBDEV(sc), "can't allocate xfer_buff\n");
1110 return ret;
1111 }
1112
1113 ret = usb_control_msg(sc->usb_dev, usb_sndctrlpipe(sc->usb_dev, 0),
1114 UCDC_SEND_ENCAPSULATED_COMMAND,
1115 USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
1116 value, index, xfer_buff, size, CTRL_TIMEOUT);
1117
1118 kfree(xfer_buff);
1119 if (ret < 0) {
1120 uea_err(INS_TO_USBDEV(sc), "usb_control_msg error %d\n", ret);
1121 return ret;
1122 }
1123
1124 if (ret != size) {
1125 uea_err(INS_TO_USBDEV(sc),
1126 "usb_control_msg send only %d bytes (instead of %d)\n",
1127 ret, size);
1128 return -EIO;
1129 }
1130
1131 return 0;
1132 }
1133
uea_cmv_e1(struct uea_softc * sc,u8 function,u32 address,u16 offset,u32 data)1134 static int uea_cmv_e1(struct uea_softc *sc,
1135 u8 function, u32 address, u16 offset, u32 data)
1136 {
1137 struct cmv_e1 cmv;
1138 int ret;
1139
1140 uea_enters(INS_TO_USBDEV(sc));
1141 uea_vdbg(INS_TO_USBDEV(sc), "Function : %d-%d, Address : %c%c%c%c, "
1142 "offset : 0x%04x, data : 0x%08x\n",
1143 E1_FUNCTION_TYPE(function),
1144 E1_FUNCTION_SUBTYPE(function),
1145 E1_GETSA1(address), E1_GETSA2(address),
1146 E1_GETSA3(address),
1147 E1_GETSA4(address), offset, data);
1148
1149 /* we send a request, but we expect a reply */
1150 sc->cmv_dsc.e1.function = function | 0x2;
1151 sc->cmv_dsc.e1.idx++;
1152 sc->cmv_dsc.e1.address = address;
1153 sc->cmv_dsc.e1.offset = offset;
1154
1155 cmv.wPreamble = cpu_to_le16(E1_PREAMBLE);
1156 cmv.bDirection = E1_HOSTTOMODEM;
1157 cmv.bFunction = function;
1158 cmv.wIndex = cpu_to_le16(sc->cmv_dsc.e1.idx);
1159 put_unaligned_le32(address, &cmv.dwSymbolicAddress);
1160 cmv.wOffsetAddress = cpu_to_le16(offset);
1161 put_unaligned_le32(data >> 16 | data << 16, &cmv.dwData);
1162
1163 ret = uea_request(sc, UEA_E1_SET_BLOCK, UEA_MPTX_START,
1164 sizeof(cmv), &cmv);
1165 if (ret < 0)
1166 return ret;
1167 ret = wait_cmv_ack(sc);
1168 uea_leaves(INS_TO_USBDEV(sc));
1169 return ret;
1170 }
1171
uea_cmv_e4(struct uea_softc * sc,u16 function,u16 group,u16 address,u16 offset,u32 data)1172 static int uea_cmv_e4(struct uea_softc *sc,
1173 u16 function, u16 group, u16 address, u16 offset, u32 data)
1174 {
1175 struct cmv_e4 cmv;
1176 int ret;
1177
1178 uea_enters(INS_TO_USBDEV(sc));
1179 memset(&cmv, 0, sizeof(cmv));
1180
1181 uea_vdbg(INS_TO_USBDEV(sc), "Function : %d-%d, Group : 0x%04x, "
1182 "Address : 0x%04x, offset : 0x%04x, data : 0x%08x\n",
1183 E4_FUNCTION_TYPE(function), E4_FUNCTION_SUBTYPE(function),
1184 group, address, offset, data);
1185
1186 /* we send a request, but we expect a reply */
1187 sc->cmv_dsc.e4.function = function | (0x1 << 4);
1188 sc->cmv_dsc.e4.offset = offset;
1189 sc->cmv_dsc.e4.address = address;
1190 sc->cmv_dsc.e4.group = group;
1191
1192 cmv.wFunction = cpu_to_be16(function);
1193 cmv.wGroup = cpu_to_be16(group);
1194 cmv.wAddress = cpu_to_be16(address);
1195 cmv.wOffset = cpu_to_be16(offset);
1196 cmv.dwData[0] = cpu_to_be32(data);
1197
1198 ret = uea_request(sc, UEA_E4_SET_BLOCK, UEA_MPTX_START,
1199 sizeof(cmv), &cmv);
1200 if (ret < 0)
1201 return ret;
1202 ret = wait_cmv_ack(sc);
1203 uea_leaves(INS_TO_USBDEV(sc));
1204 return ret;
1205 }
1206
uea_read_cmv_e1(struct uea_softc * sc,u32 address,u16 offset,u32 * data)1207 static inline int uea_read_cmv_e1(struct uea_softc *sc,
1208 u32 address, u16 offset, u32 *data)
1209 {
1210 int ret = uea_cmv_e1(sc, E1_MAKEFUNCTION(E1_MEMACCESS, E1_REQUESTREAD),
1211 address, offset, 0);
1212 if (ret < 0)
1213 uea_err(INS_TO_USBDEV(sc),
1214 "reading cmv failed with error %d\n", ret);
1215 else
1216 *data = sc->data;
1217
1218 return ret;
1219 }
1220
uea_read_cmv_e4(struct uea_softc * sc,u8 size,u16 group,u16 address,u16 offset,u32 * data)1221 static inline int uea_read_cmv_e4(struct uea_softc *sc,
1222 u8 size, u16 group, u16 address, u16 offset, u32 *data)
1223 {
1224 int ret = uea_cmv_e4(sc, E4_MAKEFUNCTION(E4_MEMACCESS,
1225 E4_REQUESTREAD, size),
1226 group, address, offset, 0);
1227 if (ret < 0)
1228 uea_err(INS_TO_USBDEV(sc),
1229 "reading cmv failed with error %d\n", ret);
1230 else {
1231 *data = sc->data;
1232 /* size is in 16-bit word quantities */
1233 if (size > 2)
1234 *(data + 1) = sc->data1;
1235 }
1236 return ret;
1237 }
1238
uea_write_cmv_e1(struct uea_softc * sc,u32 address,u16 offset,u32 data)1239 static inline int uea_write_cmv_e1(struct uea_softc *sc,
1240 u32 address, u16 offset, u32 data)
1241 {
1242 int ret = uea_cmv_e1(sc, E1_MAKEFUNCTION(E1_MEMACCESS, E1_REQUESTWRITE),
1243 address, offset, data);
1244 if (ret < 0)
1245 uea_err(INS_TO_USBDEV(sc),
1246 "writing cmv failed with error %d\n", ret);
1247
1248 return ret;
1249 }
1250
uea_write_cmv_e4(struct uea_softc * sc,u8 size,u16 group,u16 address,u16 offset,u32 data)1251 static inline int uea_write_cmv_e4(struct uea_softc *sc,
1252 u8 size, u16 group, u16 address, u16 offset, u32 data)
1253 {
1254 int ret = uea_cmv_e4(sc, E4_MAKEFUNCTION(E4_MEMACCESS,
1255 E4_REQUESTWRITE, size),
1256 group, address, offset, data);
1257 if (ret < 0)
1258 uea_err(INS_TO_USBDEV(sc),
1259 "writing cmv failed with error %d\n", ret);
1260
1261 return ret;
1262 }
1263
uea_set_bulk_timeout(struct uea_softc * sc,u32 dsrate)1264 static void uea_set_bulk_timeout(struct uea_softc *sc, u32 dsrate)
1265 {
1266 int ret;
1267 u16 timeout;
1268
1269 /* in bulk mode the modem have problem with high rate
1270 * changing internal timing could improve things, but the
1271 * value is mysterious.
1272 * ADI930 don't support it (-EPIPE error).
1273 */
1274
1275 if (UEA_CHIP_VERSION(sc) == ADI930 ||
1276 altsetting[sc->modem_index] > 0 ||
1277 sc->stats.phy.dsrate == dsrate)
1278 return;
1279
1280 /* Original timing (1Mbit/s) from ADI (used in windows driver) */
1281 timeout = (dsrate <= 1024*1024) ? 0 : 1;
1282 ret = uea_request(sc, UEA_SET_TIMEOUT, timeout, 0, NULL);
1283 uea_info(INS_TO_USBDEV(sc), "setting new timeout %d%s\n",
1284 timeout, ret < 0 ? " failed" : "");
1285
1286 }
1287
1288 /*
1289 * Monitor the modem and update the stat
1290 * return 0 if everything is ok
1291 * return < 0 if an error occurs (-EAGAIN reboot needed)
1292 */
uea_stat_e1(struct uea_softc * sc)1293 static int uea_stat_e1(struct uea_softc *sc)
1294 {
1295 u32 data;
1296 int ret;
1297
1298 uea_enters(INS_TO_USBDEV(sc));
1299 data = sc->stats.phy.state;
1300
1301 ret = uea_read_cmv_e1(sc, E1_SA_STAT, 0, &sc->stats.phy.state);
1302 if (ret < 0)
1303 return ret;
1304
1305 switch (GET_STATUS(sc->stats.phy.state)) {
1306 case 0: /* not yet synchronized */
1307 uea_dbg(INS_TO_USBDEV(sc),
1308 "modem not yet synchronized\n");
1309 return 0;
1310
1311 case 1: /* initialization */
1312 uea_dbg(INS_TO_USBDEV(sc), "modem initializing\n");
1313 return 0;
1314
1315 case 2: /* operational */
1316 uea_vdbg(INS_TO_USBDEV(sc), "modem operational\n");
1317 break;
1318
1319 case 3: /* fail ... */
1320 uea_info(INS_TO_USBDEV(sc), "modem synchronization failed"
1321 " (may be try other cmv/dsp)\n");
1322 return -EAGAIN;
1323
1324 case 4 ... 6: /* test state */
1325 uea_warn(INS_TO_USBDEV(sc),
1326 "modem in test mode - not supported\n");
1327 return -EAGAIN;
1328
1329 case 7: /* fast-retain ... */
1330 uea_info(INS_TO_USBDEV(sc), "modem in fast-retain mode\n");
1331 return 0;
1332 default:
1333 uea_err(INS_TO_USBDEV(sc), "modem invalid SW mode %d\n",
1334 GET_STATUS(sc->stats.phy.state));
1335 return -EAGAIN;
1336 }
1337
1338 if (GET_STATUS(data) != 2) {
1339 uea_request(sc, UEA_SET_MODE, UEA_LOOPBACK_OFF, 0, NULL);
1340 uea_info(INS_TO_USBDEV(sc), "modem operational\n");
1341
1342 /* release the dsp firmware as it is not needed until
1343 * the next failure
1344 */
1345 release_firmware(sc->dsp_firm);
1346 sc->dsp_firm = NULL;
1347 }
1348
1349 /* always update it as atm layer could not be init when we switch to
1350 * operational state
1351 */
1352 UPDATE_ATM_SIGNAL(ATM_PHY_SIG_FOUND);
1353
1354 /* wake up processes waiting for synchronization */
1355 wake_up(&sc->sync_q);
1356
1357 ret = uea_read_cmv_e1(sc, E1_SA_DIAG, 2, &sc->stats.phy.flags);
1358 if (ret < 0)
1359 return ret;
1360 sc->stats.phy.mflags |= sc->stats.phy.flags;
1361
1362 /* in case of a flags ( for example delineation LOSS (& 0x10)),
1363 * we check the status again in order to detect the failure earlier
1364 */
1365 if (sc->stats.phy.flags) {
1366 uea_dbg(INS_TO_USBDEV(sc), "Stat flag = 0x%x\n",
1367 sc->stats.phy.flags);
1368 return 0;
1369 }
1370
1371 ret = uea_read_cmv_e1(sc, E1_SA_RATE, 0, &data);
1372 if (ret < 0)
1373 return ret;
1374
1375 uea_set_bulk_timeout(sc, (data >> 16) * 32);
1376 sc->stats.phy.dsrate = (data >> 16) * 32;
1377 sc->stats.phy.usrate = (data & 0xffff) * 32;
1378 UPDATE_ATM_STAT(link_rate, sc->stats.phy.dsrate * 1000 / 424);
1379
1380 ret = uea_read_cmv_e1(sc, E1_SA_DIAG, 23, &data);
1381 if (ret < 0)
1382 return ret;
1383 sc->stats.phy.dsattenuation = (data & 0xff) / 2;
1384
1385 ret = uea_read_cmv_e1(sc, E1_SA_DIAG, 47, &data);
1386 if (ret < 0)
1387 return ret;
1388 sc->stats.phy.usattenuation = (data & 0xff) / 2;
1389
1390 ret = uea_read_cmv_e1(sc, E1_SA_DIAG, 25, &sc->stats.phy.dsmargin);
1391 if (ret < 0)
1392 return ret;
1393
1394 ret = uea_read_cmv_e1(sc, E1_SA_DIAG, 49, &sc->stats.phy.usmargin);
1395 if (ret < 0)
1396 return ret;
1397
1398 ret = uea_read_cmv_e1(sc, E1_SA_DIAG, 51, &sc->stats.phy.rxflow);
1399 if (ret < 0)
1400 return ret;
1401
1402 ret = uea_read_cmv_e1(sc, E1_SA_DIAG, 52, &sc->stats.phy.txflow);
1403 if (ret < 0)
1404 return ret;
1405
1406 ret = uea_read_cmv_e1(sc, E1_SA_DIAG, 54, &sc->stats.phy.dsunc);
1407 if (ret < 0)
1408 return ret;
1409
1410 /* only for atu-c */
1411 ret = uea_read_cmv_e1(sc, E1_SA_DIAG, 58, &sc->stats.phy.usunc);
1412 if (ret < 0)
1413 return ret;
1414
1415 ret = uea_read_cmv_e1(sc, E1_SA_DIAG, 53, &sc->stats.phy.dscorr);
1416 if (ret < 0)
1417 return ret;
1418
1419 /* only for atu-c */
1420 ret = uea_read_cmv_e1(sc, E1_SA_DIAG, 57, &sc->stats.phy.uscorr);
1421 if (ret < 0)
1422 return ret;
1423
1424 ret = uea_read_cmv_e1(sc, E1_SA_INFO, 8, &sc->stats.phy.vidco);
1425 if (ret < 0)
1426 return ret;
1427
1428 ret = uea_read_cmv_e1(sc, E1_SA_INFO, 13, &sc->stats.phy.vidcpe);
1429 if (ret < 0)
1430 return ret;
1431
1432 return 0;
1433 }
1434
uea_stat_e4(struct uea_softc * sc)1435 static int uea_stat_e4(struct uea_softc *sc)
1436 {
1437 u32 data;
1438 u32 tmp_arr[2];
1439 int ret;
1440
1441 uea_enters(INS_TO_USBDEV(sc));
1442 data = sc->stats.phy.state;
1443
1444 /* XXX only need to be done before operationnal... */
1445 ret = uea_read_cmv_e4(sc, 1, E4_SA_STAT, 0, 0, &sc->stats.phy.state);
1446 if (ret < 0)
1447 return ret;
1448
1449 switch (sc->stats.phy.state) {
1450 case 0x0: /* not yet synchronized */
1451 case 0x1:
1452 case 0x3:
1453 case 0x4:
1454 uea_dbg(INS_TO_USBDEV(sc), "modem not yet "
1455 "synchronized\n");
1456 return 0;
1457 case 0x5: /* initialization */
1458 case 0x6:
1459 case 0x9:
1460 case 0xa:
1461 uea_dbg(INS_TO_USBDEV(sc), "modem initializing\n");
1462 return 0;
1463 case 0x2: /* fail ... */
1464 uea_info(INS_TO_USBDEV(sc), "modem synchronization "
1465 "failed (may be try other cmv/dsp)\n");
1466 return -EAGAIN;
1467 case 0x7: /* operational */
1468 break;
1469 default:
1470 uea_warn(INS_TO_USBDEV(sc), "unknown state: %x\n",
1471 sc->stats.phy.state);
1472 return 0;
1473 }
1474
1475 if (data != 7) {
1476 uea_request(sc, UEA_SET_MODE, UEA_LOOPBACK_OFF, 0, NULL);
1477 uea_info(INS_TO_USBDEV(sc), "modem operational\n");
1478
1479 /* release the dsp firmware as it is not needed until
1480 * the next failure
1481 */
1482 release_firmware(sc->dsp_firm);
1483 sc->dsp_firm = NULL;
1484 }
1485
1486 /* always update it as atm layer could not be init when we switch to
1487 * operational state
1488 */
1489 UPDATE_ATM_SIGNAL(ATM_PHY_SIG_FOUND);
1490
1491 /* wake up processes waiting for synchronization */
1492 wake_up(&sc->sync_q);
1493
1494 /* TODO improve this state machine :
1495 * we need some CMV info : what they do and their unit
1496 * we should find the equivalent of eagle3- CMV
1497 */
1498 /* check flags */
1499 ret = uea_read_cmv_e4(sc, 1, E4_SA_DIAG, 0, 0, &sc->stats.phy.flags);
1500 if (ret < 0)
1501 return ret;
1502 sc->stats.phy.mflags |= sc->stats.phy.flags;
1503
1504 /* in case of a flags ( for example delineation LOSS (& 0x10)),
1505 * we check the status again in order to detect the failure earlier
1506 */
1507 if (sc->stats.phy.flags) {
1508 uea_dbg(INS_TO_USBDEV(sc), "Stat flag = 0x%x\n",
1509 sc->stats.phy.flags);
1510 if (sc->stats.phy.flags & 1) /* delineation LOSS */
1511 return -EAGAIN;
1512 if (sc->stats.phy.flags & 0x4000) /* Reset Flag */
1513 return -EAGAIN;
1514 return 0;
1515 }
1516
1517 /* rate data may be in upper or lower half of 64 bit word, strange */
1518 ret = uea_read_cmv_e4(sc, 4, E4_SA_RATE, 0, 0, tmp_arr);
1519 if (ret < 0)
1520 return ret;
1521 data = (tmp_arr[0]) ? tmp_arr[0] : tmp_arr[1];
1522 sc->stats.phy.usrate = data / 1000;
1523
1524 ret = uea_read_cmv_e4(sc, 4, E4_SA_RATE, 1, 0, tmp_arr);
1525 if (ret < 0)
1526 return ret;
1527 data = (tmp_arr[0]) ? tmp_arr[0] : tmp_arr[1];
1528 uea_set_bulk_timeout(sc, data / 1000);
1529 sc->stats.phy.dsrate = data / 1000;
1530 UPDATE_ATM_STAT(link_rate, sc->stats.phy.dsrate * 1000 / 424);
1531
1532 ret = uea_read_cmv_e4(sc, 1, E4_SA_INFO, 68, 1, &data);
1533 if (ret < 0)
1534 return ret;
1535 sc->stats.phy.dsattenuation = data / 10;
1536
1537 ret = uea_read_cmv_e4(sc, 1, E4_SA_INFO, 69, 1, &data);
1538 if (ret < 0)
1539 return ret;
1540 sc->stats.phy.usattenuation = data / 10;
1541
1542 ret = uea_read_cmv_e4(sc, 1, E4_SA_INFO, 68, 3, &data);
1543 if (ret < 0)
1544 return ret;
1545 sc->stats.phy.dsmargin = data / 2;
1546
1547 ret = uea_read_cmv_e4(sc, 1, E4_SA_INFO, 69, 3, &data);
1548 if (ret < 0)
1549 return ret;
1550 sc->stats.phy.usmargin = data / 10;
1551
1552 return 0;
1553 }
1554
cmvs_file_name(struct uea_softc * sc,char * const cmv_name,int ver)1555 static void cmvs_file_name(struct uea_softc *sc, char *const cmv_name, int ver)
1556 {
1557 char file_arr[] = "CMVxy.bin";
1558 char *file;
1559
1560 kernel_param_lock(THIS_MODULE);
1561 /* set proper name corresponding modem version and line type */
1562 if (cmv_file[sc->modem_index] == NULL) {
1563 if (UEA_CHIP_VERSION(sc) == ADI930)
1564 file_arr[3] = '9';
1565 else if (UEA_CHIP_VERSION(sc) == EAGLE_IV)
1566 file_arr[3] = '4';
1567 else
1568 file_arr[3] = 'e';
1569
1570 file_arr[4] = IS_ISDN(sc) ? 'i' : 'p';
1571 file = file_arr;
1572 } else
1573 file = cmv_file[sc->modem_index];
1574
1575 strcpy(cmv_name, FW_DIR);
1576 strlcat(cmv_name, file, UEA_FW_NAME_MAX);
1577 if (ver == 2)
1578 strlcat(cmv_name, ".v2", UEA_FW_NAME_MAX);
1579 kernel_param_unlock(THIS_MODULE);
1580 }
1581
request_cmvs_old(struct uea_softc * sc,void ** cmvs,const struct firmware ** fw)1582 static int request_cmvs_old(struct uea_softc *sc,
1583 void **cmvs, const struct firmware **fw)
1584 {
1585 int ret, size;
1586 u8 *data;
1587 char cmv_name[UEA_FW_NAME_MAX]; /* 30 bytes stack variable */
1588
1589 cmvs_file_name(sc, cmv_name, 1);
1590 ret = request_firmware(fw, cmv_name, &sc->usb_dev->dev);
1591 if (ret < 0) {
1592 uea_err(INS_TO_USBDEV(sc),
1593 "requesting firmware %s failed with error %d\n",
1594 cmv_name, ret);
1595 return ret;
1596 }
1597
1598 data = (u8 *) (*fw)->data;
1599 size = (*fw)->size;
1600 if (size < 1)
1601 goto err_fw_corrupted;
1602
1603 if (size != *data * sizeof(struct uea_cmvs_v1) + 1)
1604 goto err_fw_corrupted;
1605
1606 *cmvs = (void *)(data + 1);
1607 return *data;
1608
1609 err_fw_corrupted:
1610 uea_err(INS_TO_USBDEV(sc), "firmware %s is corrupted\n", cmv_name);
1611 release_firmware(*fw);
1612 return -EILSEQ;
1613 }
1614
request_cmvs(struct uea_softc * sc,void ** cmvs,const struct firmware ** fw,int * ver)1615 static int request_cmvs(struct uea_softc *sc,
1616 void **cmvs, const struct firmware **fw, int *ver)
1617 {
1618 int ret, size;
1619 u32 crc;
1620 u8 *data;
1621 char cmv_name[UEA_FW_NAME_MAX]; /* 30 bytes stack variable */
1622
1623 cmvs_file_name(sc, cmv_name, 2);
1624 ret = request_firmware(fw, cmv_name, &sc->usb_dev->dev);
1625 if (ret < 0) {
1626 /* if caller can handle old version, try to provide it */
1627 if (*ver == 1) {
1628 uea_warn(INS_TO_USBDEV(sc), "requesting "
1629 "firmware %s failed, "
1630 "try to get older cmvs\n", cmv_name);
1631 return request_cmvs_old(sc, cmvs, fw);
1632 }
1633 uea_err(INS_TO_USBDEV(sc),
1634 "requesting firmware %s failed with error %d\n",
1635 cmv_name, ret);
1636 return ret;
1637 }
1638
1639 size = (*fw)->size;
1640 data = (u8 *) (*fw)->data;
1641 if (size < 4 || strncmp(data, "cmv2", 4) != 0) {
1642 if (*ver == 1) {
1643 uea_warn(INS_TO_USBDEV(sc), "firmware %s is corrupted,"
1644 " try to get older cmvs\n", cmv_name);
1645 release_firmware(*fw);
1646 return request_cmvs_old(sc, cmvs, fw);
1647 }
1648 goto err_fw_corrupted;
1649 }
1650
1651 *ver = 2;
1652
1653 data += 4;
1654 size -= 4;
1655 if (size < 5)
1656 goto err_fw_corrupted;
1657
1658 crc = get_unaligned_le32(data);
1659 data += 4;
1660 size -= 4;
1661 if (crc32_be(0, data, size) != crc)
1662 goto err_fw_corrupted;
1663
1664 if (size != *data * sizeof(struct uea_cmvs_v2) + 1)
1665 goto err_fw_corrupted;
1666
1667 *cmvs = (void *) (data + 1);
1668 return *data;
1669
1670 err_fw_corrupted:
1671 uea_err(INS_TO_USBDEV(sc), "firmware %s is corrupted\n", cmv_name);
1672 release_firmware(*fw);
1673 return -EILSEQ;
1674 }
1675
uea_send_cmvs_e1(struct uea_softc * sc)1676 static int uea_send_cmvs_e1(struct uea_softc *sc)
1677 {
1678 int i, ret, len;
1679 void *cmvs_ptr;
1680 const struct firmware *cmvs_fw;
1681 int ver = 1; /* we can handle v1 cmv firmware version; */
1682
1683 /* Enter in R-IDLE (cmv) until instructed otherwise */
1684 ret = uea_write_cmv_e1(sc, E1_SA_CNTL, 0, 1);
1685 if (ret < 0)
1686 return ret;
1687
1688 /* Dump firmware version */
1689 ret = uea_read_cmv_e1(sc, E1_SA_INFO, 10, &sc->stats.phy.firmid);
1690 if (ret < 0)
1691 return ret;
1692 uea_info(INS_TO_USBDEV(sc), "ATU-R firmware version : %x\n",
1693 sc->stats.phy.firmid);
1694
1695 /* get options */
1696 ret = len = request_cmvs(sc, &cmvs_ptr, &cmvs_fw, &ver);
1697 if (ret < 0)
1698 return ret;
1699
1700 /* send options */
1701 if (ver == 1) {
1702 struct uea_cmvs_v1 *cmvs_v1 = cmvs_ptr;
1703
1704 uea_warn(INS_TO_USBDEV(sc), "use deprecated cmvs version, "
1705 "please update your firmware\n");
1706
1707 for (i = 0; i < len; i++) {
1708 ret = uea_write_cmv_e1(sc,
1709 get_unaligned_le32(&cmvs_v1[i].address),
1710 get_unaligned_le16(&cmvs_v1[i].offset),
1711 get_unaligned_le32(&cmvs_v1[i].data));
1712 if (ret < 0)
1713 goto out;
1714 }
1715 } else if (ver == 2) {
1716 struct uea_cmvs_v2 *cmvs_v2 = cmvs_ptr;
1717
1718 for (i = 0; i < len; i++) {
1719 ret = uea_write_cmv_e1(sc,
1720 get_unaligned_le32(&cmvs_v2[i].address),
1721 (u16) get_unaligned_le32(&cmvs_v2[i].offset),
1722 get_unaligned_le32(&cmvs_v2[i].data));
1723 if (ret < 0)
1724 goto out;
1725 }
1726 } else {
1727 /* This really should not happen */
1728 uea_err(INS_TO_USBDEV(sc), "bad cmvs version %d\n", ver);
1729 goto out;
1730 }
1731
1732 /* Enter in R-ACT-REQ */
1733 ret = uea_write_cmv_e1(sc, E1_SA_CNTL, 0, 2);
1734 uea_vdbg(INS_TO_USBDEV(sc), "Entering in R-ACT-REQ state\n");
1735 uea_info(INS_TO_USBDEV(sc), "modem started, waiting "
1736 "synchronization...\n");
1737 out:
1738 release_firmware(cmvs_fw);
1739 return ret;
1740 }
1741
uea_send_cmvs_e4(struct uea_softc * sc)1742 static int uea_send_cmvs_e4(struct uea_softc *sc)
1743 {
1744 int i, ret, len;
1745 void *cmvs_ptr;
1746 const struct firmware *cmvs_fw;
1747 int ver = 2; /* we can only handle v2 cmv firmware version; */
1748
1749 /* Enter in R-IDLE (cmv) until instructed otherwise */
1750 ret = uea_write_cmv_e4(sc, 1, E4_SA_CNTL, 0, 0, 1);
1751 if (ret < 0)
1752 return ret;
1753
1754 /* Dump firmware version */
1755 /* XXX don't read the 3th byte as it is always 6 */
1756 ret = uea_read_cmv_e4(sc, 2, E4_SA_INFO, 55, 0, &sc->stats.phy.firmid);
1757 if (ret < 0)
1758 return ret;
1759 uea_info(INS_TO_USBDEV(sc), "ATU-R firmware version : %x\n",
1760 sc->stats.phy.firmid);
1761
1762
1763 /* get options */
1764 ret = len = request_cmvs(sc, &cmvs_ptr, &cmvs_fw, &ver);
1765 if (ret < 0)
1766 return ret;
1767
1768 /* send options */
1769 if (ver == 2) {
1770 struct uea_cmvs_v2 *cmvs_v2 = cmvs_ptr;
1771
1772 for (i = 0; i < len; i++) {
1773 ret = uea_write_cmv_e4(sc, 1,
1774 get_unaligned_le32(&cmvs_v2[i].group),
1775 get_unaligned_le32(&cmvs_v2[i].address),
1776 get_unaligned_le32(&cmvs_v2[i].offset),
1777 get_unaligned_le32(&cmvs_v2[i].data));
1778 if (ret < 0)
1779 goto out;
1780 }
1781 } else {
1782 /* This really should not happen */
1783 uea_err(INS_TO_USBDEV(sc), "bad cmvs version %d\n", ver);
1784 goto out;
1785 }
1786
1787 /* Enter in R-ACT-REQ */
1788 ret = uea_write_cmv_e4(sc, 1, E4_SA_CNTL, 0, 0, 2);
1789 uea_vdbg(INS_TO_USBDEV(sc), "Entering in R-ACT-REQ state\n");
1790 uea_info(INS_TO_USBDEV(sc), "modem started, waiting "
1791 "synchronization...\n");
1792 out:
1793 release_firmware(cmvs_fw);
1794 return ret;
1795 }
1796
1797 /* Start boot post firmware modem:
1798 * - send reset commands through usb control pipe
1799 * - start workqueue for DSP loading
1800 * - send CMV options to modem
1801 */
1802
uea_start_reset(struct uea_softc * sc)1803 static int uea_start_reset(struct uea_softc *sc)
1804 {
1805 u16 zero = 0; /* ;-) */
1806 int ret;
1807
1808 uea_enters(INS_TO_USBDEV(sc));
1809 uea_info(INS_TO_USBDEV(sc), "(re)booting started\n");
1810
1811 /* mask interrupt */
1812 sc->booting = 1;
1813 /* We need to set this here because, a ack timeout could have occurred,
1814 * but before we start the reboot, the ack occurs and set this to 1.
1815 * So we will failed to wait Ready CMV.
1816 */
1817 sc->cmv_ack = 0;
1818 UPDATE_ATM_SIGNAL(ATM_PHY_SIG_LOST);
1819
1820 /* reset statistics */
1821 memset(&sc->stats, 0, sizeof(struct uea_stats));
1822
1823 /* tell the modem that we want to boot in IDMA mode */
1824 uea_request(sc, UEA_SET_MODE, UEA_LOOPBACK_ON, 0, NULL);
1825 uea_request(sc, UEA_SET_MODE, UEA_BOOT_IDMA, 0, NULL);
1826
1827 /* enter reset mode */
1828 uea_request(sc, UEA_SET_MODE, UEA_START_RESET, 0, NULL);
1829
1830 /* original driver use 200ms, but windows driver use 100ms */
1831 ret = uea_wait(sc, 0, msecs_to_jiffies(100));
1832 if (ret < 0)
1833 return ret;
1834
1835 /* leave reset mode */
1836 uea_request(sc, UEA_SET_MODE, UEA_END_RESET, 0, NULL);
1837
1838 if (UEA_CHIP_VERSION(sc) != EAGLE_IV) {
1839 /* clear tx and rx mailboxes */
1840 uea_request(sc, UEA_SET_2183_DATA, UEA_MPTX_MAILBOX, 2, &zero);
1841 uea_request(sc, UEA_SET_2183_DATA, UEA_MPRX_MAILBOX, 2, &zero);
1842 uea_request(sc, UEA_SET_2183_DATA, UEA_SWAP_MAILBOX, 2, &zero);
1843 }
1844
1845 ret = uea_wait(sc, 0, msecs_to_jiffies(1000));
1846 if (ret < 0)
1847 return ret;
1848
1849 if (UEA_CHIP_VERSION(sc) == EAGLE_IV)
1850 sc->cmv_dsc.e4.function = E4_MAKEFUNCTION(E4_ADSLDIRECTIVE,
1851 E4_MODEMREADY, 1);
1852 else
1853 sc->cmv_dsc.e1.function = E1_MAKEFUNCTION(E1_ADSLDIRECTIVE,
1854 E1_MODEMREADY);
1855
1856 /* demask interrupt */
1857 sc->booting = 0;
1858
1859 /* start loading DSP */
1860 sc->pageno = 0;
1861 sc->ovl = 0;
1862 schedule_work(&sc->task);
1863
1864 /* wait for modem ready CMV */
1865 ret = wait_cmv_ack(sc);
1866 if (ret < 0)
1867 return ret;
1868
1869 uea_vdbg(INS_TO_USBDEV(sc), "Ready CMV received\n");
1870
1871 ret = sc->send_cmvs(sc);
1872 if (ret < 0)
1873 return ret;
1874
1875 sc->reset = 0;
1876 uea_leaves(INS_TO_USBDEV(sc));
1877 return ret;
1878 }
1879
1880 /*
1881 * In case of an error wait 1s before rebooting the modem
1882 * if the modem don't request reboot (-EAGAIN).
1883 * Monitor the modem every 1s.
1884 */
1885
uea_kthread(void * data)1886 static int uea_kthread(void *data)
1887 {
1888 struct uea_softc *sc = data;
1889 int ret = -EAGAIN;
1890
1891 set_freezable();
1892 uea_enters(INS_TO_USBDEV(sc));
1893 while (!kthread_should_stop()) {
1894 if (ret < 0 || sc->reset)
1895 ret = uea_start_reset(sc);
1896 if (!ret)
1897 ret = sc->stat(sc);
1898 if (ret != -EAGAIN)
1899 uea_wait(sc, 0, msecs_to_jiffies(1000));
1900 }
1901 uea_leaves(INS_TO_USBDEV(sc));
1902 return ret;
1903 }
1904
1905 /* Load second usb firmware for ADI930 chip */
load_XILINX_firmware(struct uea_softc * sc)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 */
uea_dispatch_cmv_e1(struct uea_softc * sc,struct intr_pkt * intr)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 preamble (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 */
uea_dispatch_cmv_e4(struct uea_softc * sc,struct intr_pkt * intr)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
uea_schedule_load_page_e1(struct uea_softc * sc,struct intr_pkt * intr)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
uea_schedule_load_page_e4(struct uea_softc * sc,struct intr_pkt * intr)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 */
uea_intr(struct urb * urb)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 */
uea_boot(struct uea_softc * sc,struct usb_interface * intf)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 */
uea_stop(struct uea_softc * sc)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 */
dev_to_uea(struct device * dev)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
stat_status_show(struct device * dev,struct device_attribute * attr,char * buf)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 = sysfs_emit(buf, "%08x\n", sc->stats.phy.state);
2256 out:
2257 mutex_unlock(&uea_mutex);
2258 return ret;
2259 }
2260
stat_status_store(struct device * dev,struct device_attribute * attr,const char * buf,size_t count)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
stat_human_status_show(struct device * dev,struct device_attribute * attr,char * buf)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 = sysfs_emit(buf, "Modem is booting\n");
2322 break;
2323 case 1:
2324 ret = sysfs_emit(buf, "Modem is initializing\n");
2325 break;
2326 case 2:
2327 ret = sysfs_emit(buf, "Modem is operational\n");
2328 break;
2329 case 3:
2330 ret = sysfs_emit(buf, "Modem synchronization failed\n");
2331 break;
2332 default:
2333 ret = sysfs_emit(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
stat_delin_show(struct device * dev,struct device_attribute * attr,char * buf)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 = sysfs_emit(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 = sysfs_emit(buf, "%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
uea_getesi(struct uea_softc * sc,u_char * esi)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 */
uea_atm_open(struct usbatm_data * usbatm,struct atm_dev * atm_dev)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
uea_heavy(struct usbatm_data * usbatm,struct usb_interface * intf)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
claim_interface(struct usb_device * usb_dev,struct usbatm_data * usbatm,int ifnum)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
uea_bind(struct usbatm_data * usbatm,struct usb_interface * intf,const struct usb_device_id * id)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_obj(struct uea_softc);
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
uea_unbind(struct usbatm_data * usbatm,struct usb_interface * intf)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
uea_probe(struct usb_interface * intf,const struct usb_device_id * id)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
uea_disconnect(struct usb_interface * intf)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);
2756