drivers/usb/atm/ueagle-atm.c

   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);